[ 27.093630][ T244] ip (244) used greatest stack depth: 23872 bytes left [ 28.019608][ T254] veth0: renamed from veth1 [ 32.376212][ T281] br0: port 1(vx0) entered blocking state [ 32.376506][ T281] br0: port 1(vx0) entered disabled state [ 32.376711][ T281] vx0: entered allmulticast mode [ 32.377970][ T281] vx0: entered promiscuous mode [ 32.380378][ T281] br0: port 1(vx0) entered blocking state [ 32.380652][ T281] br0: port 1(vx0) entered forwarding state [ 38.116122][ T313] br0: port 1(vx0) entered blocking state [ 38.116417][ T313] br0: port 1(vx0) entered disabled state [ 38.116689][ T313] vx0: entered allmulticast mode [ 38.118151][ T313] vx0: entered promiscuous mode [ 38.121275][ T313] br0: port 1(vx0) entered blocking state [ 38.121551][ T313] br0: port 1(vx0) entered forwarding state [ 41.861064][ T340] veth0: renamed from veth1 [ 46.157101][ T366] br0: port 1(vx0) entered blocking state [ 46.157398][ T366] br0: port 1(vx0) entered disabled state [ 46.157598][ T366] vx0: entered allmulticast mode [ 46.158889][ T366] vx0: entered promiscuous mode [ 46.161148][ T366] br0: port 1(vx0) entered blocking state [ 46.161339][ T366] br0: port 1(vx0) entered forwarding state [ 52.176986][ T396] br0: port 1(vx0) entered blocking state [ 52.177188][ T396] br0: port 1(vx0) entered disabled state [ 52.177413][ T396] vx0: entered allmulticast mode [ 52.178653][ T396] vx0: entered promiscuous mode [ 52.180650][ T396] br0: port 1(vx0) entered blocking state [ 52.180836][ T396] br0: port 1(vx0) entered forwarding state [ 66.960390][ T74] vx0: left allmulticast mode [ 66.960769][ T74] vx0: left promiscuous mode [ 66.961489][ T74] br0: port 1(vx0) entered disabled state [ 70.935287][ T526] veth0: renamed from veth1 [ 75.387061][ T553] br0: port 1(vx0) entered blocking state [ 75.387296][ T553] br0: port 1(vx0) entered disabled state [ 75.387495][ T553] vx0: entered allmulticast mode [ 75.388909][ T553] vx0: entered promiscuous mode [ 75.392348][ T553] br0: port 1(vx0) entered blocking state [ 75.392597][ T553] br0: port 1(vx0) entered forwarding state [ 77.216078][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 77.216620][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 77.216620][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 77.216620][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 77.216620][ T74] fib6_nh_init+0xa22/0x1580 [ 77.216620][ T74] ip6_route_info_create+0xf18/0x17d0 [ 77.216620][ T74] ip6_route_add+0x1c/0x140 [ 77.216620][ T74] inet6_rtm_newroute+0x104/0x110 [ 77.216620][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 77.216620][ T74] netlink_rcv_skb+0x130/0x360 [ 77.216620][ T74] netlink_unicast+0x449/0x710 [ 77.216620][ T74] netlink_sendmsg+0x723/0xbe0 [ 77.216620][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 77.216620][ T74] ___sys_sendmsg+0xee/0x170 [ 77.216620][ T74] __sys_sendmsg+0xcd/0x170 [ 77.216620][ T74] do_syscall_64+0xc6/0x1e0 [ 77.216620][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 77.216620][ T74] [ 77.219216][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 77.219216][ T74] netdev_get_by_index+0x5e/0x80 [ 77.219216][ T74] fib6_nh_init+0x3d8/0x1580 [ 77.219216][ T74] ip6_route_info_create+0xf18/0x17d0 [ 77.219216][ T74] addrconf_f6i_alloc+0x265/0x560 [ 77.219216][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 77.219216][ T74] addrconf_join_anycast+0x1c0/0x220 [ 77.219216][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 77.219216][ T74] addrconf_dad_completed+0x12b/0xe20 [ 77.219216][ T74] addrconf_dad_begin+0x310/0x670 [ 77.219216][ T74] addrconf_dad_work+0x10b/0xab0 [ 77.219216][ T74] process_one_work+0x84d/0x18a0 [ 77.219216][ T74] worker_thread+0x587/0xd30 [ 77.219216][ T74] kthread+0x28a/0x350 [ 77.219216][ T74] ret_from_fork+0x31/0x70 [ 77.219216][ T74] ret_from_fork_asm+0x1a/0x30 [ 77.219216][ T74] [ 77.221549][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 77.221549][ T74] netdev_get_by_index+0x5e/0x80 [ 77.221549][ T74] fib6_nh_init+0x3d8/0x1580 [ 77.221549][ T74] ip6_route_info_create+0xf18/0x17d0 [ 77.221549][ T74] ip6_route_add+0x1c/0x140 [ 77.221549][ T74] addrconf_prefix_route+0x2a6/0x430 [ 77.221549][ T74] inet6_addr_add+0x4f8/0xa40 [ 77.221549][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 77.221549][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 77.221549][ T74] netlink_rcv_skb+0x130/0x360 [ 77.221549][ T74] netlink_unicast+0x449/0x710 [ 77.221549][ T74] netlink_sendmsg+0x723/0xbe0 [ 77.221549][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 77.221549][ T74] ___sys_sendmsg+0xee/0x170 [ 77.221549][ T74] __sys_sendmsg+0xcd/0x170 [ 77.221549][ T74] do_syscall_64+0xc6/0x1e0 [ 77.221549][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 77.221549][ T74] [ 77.224179][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 77.224179][ T74] netdev_get_by_index+0x5e/0x80 [ 77.224179][ T74] fib6_nh_init+0x3d8/0x1580 [ 77.224179][ T74] ip6_route_info_create+0xf18/0x17d0 [ 77.224179][ T74] addrconf_f6i_alloc+0x315/0x560 [ 77.224179][ T74] ipv6_add_addr+0x411/0x2000 [ 77.224179][ T74] inet6_addr_add+0x30e/0xa40 [ 77.224179][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 77.224179][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 77.224179][ T74] netlink_rcv_skb+0x130/0x360 [ 77.224179][ T74] netlink_unicast+0x449/0x710 [ 77.224179][ T74] netlink_sendmsg+0x723/0xbe0 [ 77.224179][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 77.224179][ T74] ___sys_sendmsg+0xee/0x170 [ 77.224179][ T74] __sys_sendmsg+0xcd/0x170 [ 77.224179][ T74] do_syscall_64+0xc6/0x1e0 [ 77.224179][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 77.224179][ T74] [ 77.226571][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 77.226571][ T74] netdev_get_by_index+0x5e/0x80 [ 77.226571][ T74] fib6_nh_init+0x3d8/0x1580 [ 77.226571][ T74] ip6_route_info_create+0xf18/0x17d0 [ 77.226571][ T74] ip6_route_add+0x1c/0x140 [ 77.226571][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 77.226571][ T74] addrconf_add_dev+0xe2/0x170 [ 77.226571][ T74] inet6_addr_add+0x12f/0xa40 [ 77.226571][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 77.226571][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 77.226571][ T74] netlink_rcv_skb+0x130/0x360 [ 77.226571][ T74] netlink_unicast+0x449/0x710 [ 77.226571][ T74] netlink_sendmsg+0x723/0xbe0 [ 77.226571][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 77.226571][ T74] ___sys_sendmsg+0xee/0x170 [ 77.226571][ T74] __sys_sendmsg+0xcd/0x170 [ 77.226571][ T74] do_syscall_64+0xc6/0x1e0 [ 77.226571][ T74] [ 77.229034][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 77.229034][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 77.229034][ T74] ipv6_find_idev+0x102/0x170 [ 77.229034][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 77.229034][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 77.229034][ T74] netlink_rcv_skb+0x130/0x360 [ 77.229034][ T74] netlink_unicast+0x449/0x710 [ 77.229034][ T74] netlink_sendmsg+0x723/0xbe0 [ 77.229034][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 77.229034][ T74] ___sys_sendmsg+0xee/0x170 [ 77.229034][ T74] __sys_sendmsg+0xcd/0x170 [ 77.229034][ T74] do_syscall_64+0xc6/0x1e0 [ 77.229034][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 77.229034][ T74] [ 77.230972][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 77.230972][ T74] neigh_parms_alloc+0x1e5/0x510 [ 77.230972][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 77.230972][ T74] ipv6_find_idev+0x102/0x170 [ 77.230972][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 77.230972][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 77.230972][ T74] netlink_rcv_skb+0x130/0x360 [ 77.230972][ T74] netlink_unicast+0x449/0x710 [ 77.230972][ T74] netlink_sendmsg+0x723/0xbe0 [ 77.230972][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 77.230972][ T74] ___sys_sendmsg+0xee/0x170 [ 77.230972][ T74] __sys_sendmsg+0xcd/0x170 [ 77.230972][ T74] do_syscall_64+0xc6/0x1e0 [ 77.230972][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 77.230972][ T74] [ 77.233242][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 77.233675][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 77.233675][ T74] dst_init+0x84/0x4a0 [ 77.233675][ T74] dst_alloc+0x97/0x150 [ 77.233675][ T74] ip6_dst_alloc+0x23/0x90 [ 77.233675][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 77.233675][ T74] ip6_pol_route+0x56f/0x840 [ 77.233675][ T74] fib6_rule_lookup+0x456/0x630 [ 77.233675][ T74] ip6_route_input+0x59c/0xa50 [ 77.233675][ T74] ipv6_rcv+0x397/0x810 [ 77.233675][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 77.233675][ T74] process_backlog+0x101/0x620 [ 77.233675][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 77.233675][ T74] net_rx_action+0x495/0xbe0 [ 77.233675][ T74] __do_softirq+0x1b5/0x7f6 [ 77.233675][ T74] [ 77.235808][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 77.235808][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 77.235808][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 77.235808][ T74] fib6_nh_init+0xa22/0x1580 [ 77.235808][ T74] ip6_route_info_create+0xf18/0x17d0 [ 77.235808][ T74] ip6_route_add+0x1c/0x140 [ 77.235808][ T74] inet6_rtm_newroute+0x104/0x110 [ 77.235808][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 77.235808][ T74] netlink_rcv_skb+0x130/0x360 [ 77.235808][ T74] netlink_unicast+0x449/0x710 [ 77.235808][ T74] netlink_sendmsg+0x723/0xbe0 [ 77.235808][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 77.235808][ T74] ___sys_sendmsg+0xee/0x170 [ 77.235808][ T74] __sys_sendmsg+0xcd/0x170 [ 77.235808][ T74] do_syscall_64+0xc6/0x1e0 [ 77.235808][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 77.235808][ T74] [ 77.238658][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 77.238658][ T74] netdev_get_by_index+0x5e/0x80 [ 77.238658][ T74] fib6_nh_init+0x3d8/0x1580 [ 77.238658][ T74] ip6_route_info_create+0xf18/0x17d0 [ 77.238658][ T74] addrconf_f6i_alloc+0x265/0x560 [ 77.238658][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 77.238658][ T74] addrconf_join_anycast+0x1c0/0x220 [ 77.238658][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 77.238658][ T74] addrconf_dad_completed+0x12b/0xe20 [ 77.238658][ T74] addrconf_dad_begin+0x310/0x670 [ 77.238658][ T74] addrconf_dad_work+0x10b/0xab0 [ 77.238658][ T74] process_one_work+0x84d/0x18a0 [ 77.238658][ T74] worker_thread+0x587/0xd30 [ 77.238658][ T74] kthread+0x28a/0x350 [ 77.238658][ T74] ret_from_fork+0x31/0x70 [ 77.238658][ T74] ret_from_fork_asm+0x1a/0x30 [ 77.238658][ T74] [ 77.241454][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 77.241454][ T74] netdev_get_by_index+0x5e/0x80 [ 77.241454][ T74] fib6_nh_init+0x3d8/0x1580 [ 77.241454][ T74] ip6_route_info_create+0xf18/0x17d0 [ 77.241454][ T74] ip6_route_add+0x1c/0x140 [ 77.241454][ T74] addrconf_prefix_route+0x2a6/0x430 [ 77.241454][ T74] inet6_addr_add+0x4f8/0xa40 [ 77.241454][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 77.241454][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 77.241454][ T74] netlink_rcv_skb+0x130/0x360 [ 77.241454][ T74] netlink_unicast+0x449/0x710 [ 77.241454][ T74] netlink_sendmsg+0x723/0xbe0 [ 77.241454][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 77.241454][ T74] ___sys_sendmsg+0xee/0x170 [ 77.241454][ T74] __sys_sendmsg+0xcd/0x170 [ 77.241454][ T74] do_syscall_64+0xc6/0x1e0 [ 77.241454][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 77.241454][ T74] [ 77.244059][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 77.244059][ T74] netdev_get_by_index+0x5e/0x80 [ 77.244059][ T74] fib6_nh_init+0x3d8/0x1580 [ 77.244059][ T74] ip6_route_info_create+0xf18/0x17d0 [ 77.244059][ T74] addrconf_f6i_alloc+0x315/0x560 [ 77.244059][ T74] ipv6_add_addr+0x411/0x2000 [ 77.244059][ T74] inet6_addr_add+0x30e/0xa40 [ 77.244059][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 77.244059][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 77.244059][ T74] netlink_rcv_skb+0x130/0x360 [ 77.244059][ T74] netlink_unicast+0x449/0x710 [ 77.244059][ T74] netlink_sendmsg+0x723/0xbe0 [ 77.244059][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 77.244059][ T74] ___sys_sendmsg+0xee/0x170 [ 77.244059][ T74] __sys_sendmsg+0xcd/0x170 [ 77.244059][ T74] do_syscall_64+0xc6/0x1e0 [ 77.244059][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 77.244059][ T74] [ 77.246628][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 77.246628][ T74] netdev_get_by_index+0x5e/0x80 [ 77.246628][ T74] fib6_nh_init+0x3d8/0x1580 [ 77.246628][ T74] ip6_route_info_create+0xf18/0x17d0 [ 77.246628][ T74] ip6_route_add+0x1c/0x140 [ 77.246628][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 77.246628][ T74] addrconf_add_dev+0xe2/0x170 [ 77.246628][ T74] inet6_addr_add+0x12f/0xa40 [ 77.246628][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 77.246628][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 77.246628][ T74] netlink_rcv_skb+0x130/0x360 [ 77.246628][ T74] netlink_unicast+0x449/0x710 [ 77.246628][ T74] netlink_sendmsg+0x723/0xbe0 [ 77.246628][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 77.246628][ T74] ___sys_sendmsg+0xee/0x170 [ 77.246628][ T74] __sys_sendmsg+0xcd/0x170 [ 77.246628][ T74] do_syscall_64+0xc6/0x1e0 [ 77.246628][ T74] [ 77.249553][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 77.249553][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 77.249553][ T74] ipv6_find_idev+0x102/0x170 [ 77.249553][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 77.249553][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 77.249553][ T74] netlink_rcv_skb+0x130/0x360 [ 77.249553][ T74] netlink_unicast+0x449/0x710 [ 77.249553][ T74] netlink_sendmsg+0x723/0xbe0 [ 77.249553][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 77.249553][ T74] ___sys_sendmsg+0xee/0x170 [ 77.249553][ T74] __sys_sendmsg+0xcd/0x170 [ 77.249553][ T74] do_syscall_64+0xc6/0x1e0 [ 77.249553][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 77.249553][ T74] [ 77.251681][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 77.251681][ T74] neigh_parms_alloc+0x1e5/0x510 [ 77.251681][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 77.251681][ T74] ipv6_find_idev+0x102/0x170 [ 77.251681][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 77.251681][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 77.251681][ T74] netlink_rcv_skb+0x130/0x360 [ 77.251681][ T74] netlink_unicast+0x449/0x710 [ 77.251681][ T74] netlink_sendmsg+0x723/0xbe0 [ 77.251681][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 77.251681][ T74] ___sys_sendmsg+0xee/0x170 [ 77.251681][ T74] __sys_sendmsg+0xcd/0x170 [ 77.251681][ T74] do_syscall_64+0xc6/0x1e0 [ 77.251681][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 77.251681][ T74] [ 77.254122][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 77.254492][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 77.254492][ T74] netdev_get_by_index+0x5e/0x80 [ 77.254492][ T74] fib6_nh_init+0x3d8/0x1580 [ 77.254492][ T74] ip6_route_info_create+0xf18/0x17d0 [ 77.254492][ T74] ip6_route_add+0x1c/0x140 [ 77.254492][ T74] addrconf_prefix_route+0x2a6/0x430 [ 77.254492][ T74] inet6_addr_add+0x4f8/0xa40 [ 77.254492][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 77.254492][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 77.254492][ T74] netlink_rcv_skb+0x130/0x360 [ 77.254492][ T74] netlink_unicast+0x449/0x710 [ 77.254492][ T74] netlink_sendmsg+0x723/0xbe0 [ 77.254492][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 77.254492][ T74] ___sys_sendmsg+0xee/0x170 [ 77.254492][ T74] __sys_sendmsg+0xcd/0x170 [ 77.254492][ T74] do_syscall_64+0xc6/0x1e0 [ 77.254492][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 77.254492][ T74] [ 77.257177][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 77.257177][ T74] netdev_get_by_index+0x5e/0x80 [ 77.257177][ T74] fib6_nh_init+0x3d8/0x1580 [ 77.257177][ T74] ip6_route_info_create+0xf18/0x17d0 [ 77.257177][ T74] addrconf_f6i_alloc+0x315/0x560 [ 77.257177][ T74] ipv6_add_addr+0x411/0x2000 [ 77.257177][ T74] inet6_addr_add+0x30e/0xa40 [ 77.257177][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 77.257177][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 77.257177][ T74] netlink_rcv_skb+0x130/0x360 [ 77.257177][ T74] netlink_unicast+0x449/0x710 [ 77.257177][ T74] netlink_sendmsg+0x723/0xbe0 [ 77.257177][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 77.257177][ T74] ___sys_sendmsg+0xee/0x170 [ 77.257177][ T74] __sys_sendmsg+0xcd/0x170 [ 77.257177][ T74] do_syscall_64+0xc6/0x1e0 [ 77.257177][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 77.257177][ T74] [ 77.259832][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 77.259832][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 77.259832][ T74] ipv6_find_idev+0x102/0x170 [ 77.259832][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 77.259832][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 77.259832][ T74] netlink_rcv_skb+0x130/0x360 [ 77.259832][ T74] netlink_unicast+0x449/0x710 [ 77.259832][ T74] netlink_sendmsg+0x723/0xbe0 [ 77.259832][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 77.259832][ T74] ___sys_sendmsg+0xee/0x170 [ 77.259832][ T74] __sys_sendmsg+0xcd/0x170 [ 77.259832][ T74] do_syscall_64+0xc6/0x1e0 [ 77.259832][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 77.259832][ T74] [ 77.261878][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 77.261878][ T74] neigh_parms_alloc+0x1e5/0x510 [ 77.261878][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 77.261878][ T74] ipv6_find_idev+0x102/0x170 [ 77.261878][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 77.261878][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 77.261878][ T74] netlink_rcv_skb+0x130/0x360 [ 77.261878][ T74] netlink_unicast+0x449/0x710 [ 77.261878][ T74] netlink_sendmsg+0x723/0xbe0 [ 77.261878][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 77.261878][ T74] ___sys_sendmsg+0xee/0x170 [ 77.261878][ T74] __sys_sendmsg+0xcd/0x170 [ 77.261878][ T74] do_syscall_64+0xc6/0x1e0 [ 77.261878][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 77.261878][ T74] [ 81.540166][ T583] br0: port 1(vx0) entered blocking state [ 81.540385][ T583] br0: port 1(vx0) entered disabled state [ 81.540588][ T583] vx0: entered allmulticast mode [ 81.541917][ T583] vx0: entered promiscuous mode [ 81.543959][ T583] br0: port 1(vx0) entered blocking state [ 81.544147][ T583] br0: port 1(vx0) entered forwarding state [ 85.990361][ T614] veth0: renamed from veth1 [ 87.425966][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 87.426351][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 87.426351][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 87.426351][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 87.426351][ T74] fib6_nh_init+0xa22/0x1580 [ 87.426351][ T74] ip6_route_info_create+0xf18/0x17d0 [ 87.426351][ T74] ip6_route_add+0x1c/0x140 [ 87.426351][ T74] inet6_rtm_newroute+0x104/0x110 [ 87.426351][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 87.426351][ T74] netlink_rcv_skb+0x130/0x360 [ 87.426351][ T74] netlink_unicast+0x449/0x710 [ 87.426351][ T74] netlink_sendmsg+0x723/0xbe0 [ 87.426351][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 87.426351][ T74] ___sys_sendmsg+0xee/0x170 [ 87.426351][ T74] __sys_sendmsg+0xcd/0x170 [ 87.426351][ T74] do_syscall_64+0xc6/0x1e0 [ 87.426351][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 87.426351][ T74] [ 87.428626][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 87.428626][ T74] netdev_get_by_index+0x5e/0x80 [ 87.428626][ T74] fib6_nh_init+0x3d8/0x1580 [ 87.428626][ T74] ip6_route_info_create+0xf18/0x17d0 [ 87.428626][ T74] addrconf_f6i_alloc+0x265/0x560 [ 87.428626][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 87.428626][ T74] addrconf_join_anycast+0x1c0/0x220 [ 87.428626][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 87.428626][ T74] addrconf_dad_completed+0x12b/0xe20 [ 87.428626][ T74] addrconf_dad_begin+0x310/0x670 [ 87.428626][ T74] addrconf_dad_work+0x10b/0xab0 [ 87.428626][ T74] process_one_work+0x84d/0x18a0 [ 87.428626][ T74] worker_thread+0x587/0xd30 [ 87.428626][ T74] kthread+0x28a/0x350 [ 87.428626][ T74] ret_from_fork+0x31/0x70 [ 87.428626][ T74] ret_from_fork_asm+0x1a/0x30 [ 87.428626][ T74] [ 87.430946][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 87.430946][ T74] netdev_get_by_index+0x5e/0x80 [ 87.430946][ T74] fib6_nh_init+0x3d8/0x1580 [ 87.430946][ T74] ip6_route_info_create+0xf18/0x17d0 [ 87.430946][ T74] ip6_route_add+0x1c/0x140 [ 87.430946][ T74] addrconf_prefix_route+0x2a6/0x430 [ 87.430946][ T74] inet6_addr_add+0x4f8/0xa40 [ 87.430946][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 87.430946][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 87.430946][ T74] netlink_rcv_skb+0x130/0x360 [ 87.430946][ T74] netlink_unicast+0x449/0x710 [ 87.430946][ T74] netlink_sendmsg+0x723/0xbe0 [ 87.430946][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 87.430946][ T74] ___sys_sendmsg+0xee/0x170 [ 87.430946][ T74] __sys_sendmsg+0xcd/0x170 [ 87.430946][ T74] do_syscall_64+0xc6/0x1e0 [ 87.430946][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 87.430946][ T74] [ 87.433709][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 87.433709][ T74] netdev_get_by_index+0x5e/0x80 [ 87.433709][ T74] fib6_nh_init+0x3d8/0x1580 [ 87.433709][ T74] ip6_route_info_create+0xf18/0x17d0 [ 87.433709][ T74] addrconf_f6i_alloc+0x315/0x560 [ 87.433709][ T74] ipv6_add_addr+0x411/0x2000 [ 87.433709][ T74] inet6_addr_add+0x30e/0xa40 [ 87.433709][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 87.433709][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 87.433709][ T74] netlink_rcv_skb+0x130/0x360 [ 87.433709][ T74] netlink_unicast+0x449/0x710 [ 87.433709][ T74] netlink_sendmsg+0x723/0xbe0 [ 87.433709][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 87.433709][ T74] ___sys_sendmsg+0xee/0x170 [ 87.433709][ T74] __sys_sendmsg+0xcd/0x170 [ 87.433709][ T74] do_syscall_64+0xc6/0x1e0 [ 87.433709][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 87.433709][ T74] [ 87.436087][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 87.436087][ T74] netdev_get_by_index+0x5e/0x80 [ 87.436087][ T74] fib6_nh_init+0x3d8/0x1580 [ 87.436087][ T74] ip6_route_info_create+0xf18/0x17d0 [ 87.436087][ T74] ip6_route_add+0x1c/0x140 [ 87.436087][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 87.436087][ T74] addrconf_add_dev+0xe2/0x170 [ 87.436087][ T74] inet6_addr_add+0x12f/0xa40 [ 87.436087][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 87.436087][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 87.436087][ T74] netlink_rcv_skb+0x130/0x360 [ 87.436087][ T74] netlink_unicast+0x449/0x710 [ 87.436087][ T74] netlink_sendmsg+0x723/0xbe0 [ 87.436087][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 87.436087][ T74] ___sys_sendmsg+0xee/0x170 [ 87.436087][ T74] __sys_sendmsg+0xcd/0x170 [ 87.436087][ T74] do_syscall_64+0xc6/0x1e0 [ 87.436087][ T74] [ 87.438426][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 87.438426][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 87.438426][ T74] ipv6_find_idev+0x102/0x170 [ 87.438426][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 87.438426][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 87.438426][ T74] netlink_rcv_skb+0x130/0x360 [ 87.438426][ T74] netlink_unicast+0x449/0x710 [ 87.438426][ T74] netlink_sendmsg+0x723/0xbe0 [ 87.438426][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 87.438426][ T74] ___sys_sendmsg+0xee/0x170 [ 87.438426][ T74] __sys_sendmsg+0xcd/0x170 [ 87.438426][ T74] do_syscall_64+0xc6/0x1e0 [ 87.438426][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 87.438426][ T74] [ 87.440306][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 87.440306][ T74] neigh_parms_alloc+0x1e5/0x510 [ 87.440306][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 87.440306][ T74] ipv6_find_idev+0x102/0x170 [ 87.440306][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 87.440306][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 87.440306][ T74] netlink_rcv_skb+0x130/0x360 [ 87.440306][ T74] netlink_unicast+0x449/0x710 [ 87.440306][ T74] netlink_sendmsg+0x723/0xbe0 [ 87.440306][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 87.440306][ T74] ___sys_sendmsg+0xee/0x170 [ 87.440306][ T74] __sys_sendmsg+0xcd/0x170 [ 87.440306][ T74] do_syscall_64+0xc6/0x1e0 [ 87.440306][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 87.440306][ T74] [ 87.442237][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 87.442533][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 87.442533][ T74] dst_init+0x84/0x4a0 [ 87.442533][ T74] dst_alloc+0x97/0x150 [ 87.442533][ T74] ip6_dst_alloc+0x23/0x90 [ 87.442533][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 87.442533][ T74] ip6_pol_route+0x56f/0x840 [ 87.442533][ T74] fib6_rule_lookup+0x456/0x630 [ 87.442533][ T74] ip6_route_input+0x59c/0xa50 [ 87.442533][ T74] ipv6_rcv+0x397/0x810 [ 87.442533][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 87.442533][ T74] process_backlog+0x101/0x620 [ 87.442533][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 87.442533][ T74] net_rx_action+0x495/0xbe0 [ 87.442533][ T74] __do_softirq+0x1b5/0x7f6 [ 87.442533][ T74] [ 87.444308][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 87.444308][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 87.444308][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 87.444308][ T74] fib6_nh_init+0xa22/0x1580 [ 87.444308][ T74] ip6_route_info_create+0xf18/0x17d0 [ 87.444308][ T74] ip6_route_add+0x1c/0x140 [ 87.444308][ T74] inet6_rtm_newroute+0x104/0x110 [ 87.444308][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 87.444308][ T74] netlink_rcv_skb+0x130/0x360 [ 87.444308][ T74] netlink_unicast+0x449/0x710 [ 87.444308][ T74] netlink_sendmsg+0x723/0xbe0 [ 87.444308][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 87.444308][ T74] ___sys_sendmsg+0xee/0x170 [ 87.444308][ T74] __sys_sendmsg+0xcd/0x170 [ 87.444308][ T74] do_syscall_64+0xc6/0x1e0 [ 87.444308][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 87.444308][ T74] [ 87.446386][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 87.446386][ T74] netdev_get_by_index+0x5e/0x80 [ 87.446386][ T74] fib6_nh_init+0x3d8/0x1580 [ 87.446386][ T74] ip6_route_info_create+0xf18/0x17d0 [ 87.446386][ T74] addrconf_f6i_alloc+0x265/0x560 [ 87.446386][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 87.446386][ T74] addrconf_join_anycast+0x1c0/0x220 [ 87.446386][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 87.446386][ T74] addrconf_dad_completed+0x12b/0xe20 [ 87.446386][ T74] addrconf_dad_begin+0x310/0x670 [ 87.446386][ T74] addrconf_dad_work+0x10b/0xab0 [ 87.446386][ T74] process_one_work+0x84d/0x18a0 [ 87.446386][ T74] worker_thread+0x587/0xd30 [ 87.446386][ T74] kthread+0x28a/0x350 [ 87.446386][ T74] ret_from_fork+0x31/0x70 [ 87.446386][ T74] ret_from_fork_asm+0x1a/0x30 [ 87.446386][ T74] [ 87.448448][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 87.448448][ T74] netdev_get_by_index+0x5e/0x80 [ 87.448448][ T74] fib6_nh_init+0x3d8/0x1580 [ 87.448448][ T74] ip6_route_info_create+0xf18/0x17d0 [ 87.448448][ T74] ip6_route_add+0x1c/0x140 [ 87.448448][ T74] addrconf_prefix_route+0x2a6/0x430 [ 87.448448][ T74] inet6_addr_add+0x4f8/0xa40 [ 87.448448][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 87.448448][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 87.448448][ T74] netlink_rcv_skb+0x130/0x360 [ 87.448448][ T74] netlink_unicast+0x449/0x710 [ 87.448448][ T74] netlink_sendmsg+0x723/0xbe0 [ 87.448448][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 87.448448][ T74] ___sys_sendmsg+0xee/0x170 [ 87.448448][ T74] __sys_sendmsg+0xcd/0x170 [ 87.448448][ T74] do_syscall_64+0xc6/0x1e0 [ 87.448448][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 87.448448][ T74] [ 87.450649][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 87.450649][ T74] netdev_get_by_index+0x5e/0x80 [ 87.450649][ T74] fib6_nh_init+0x3d8/0x1580 [ 87.450649][ T74] ip6_route_info_create+0xf18/0x17d0 [ 87.450649][ T74] addrconf_f6i_alloc+0x315/0x560 [ 87.450649][ T74] ipv6_add_addr+0x411/0x2000 [ 87.450649][ T74] inet6_addr_add+0x30e/0xa40 [ 87.450649][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 87.450649][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 87.450649][ T74] netlink_rcv_skb+0x130/0x360 [ 87.450649][ T74] netlink_unicast+0x449/0x710 [ 87.450649][ T74] netlink_sendmsg+0x723/0xbe0 [ 87.450649][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 87.450649][ T74] ___sys_sendmsg+0xee/0x170 [ 87.450649][ T74] __sys_sendmsg+0xcd/0x170 [ 87.450649][ T74] do_syscall_64+0xc6/0x1e0 [ 87.450649][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 87.450649][ T74] [ 87.452963][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 87.452963][ T74] netdev_get_by_index+0x5e/0x80 [ 87.452963][ T74] fib6_nh_init+0x3d8/0x1580 [ 87.452963][ T74] ip6_route_info_create+0xf18/0x17d0 [ 87.452963][ T74] ip6_route_add+0x1c/0x140 [ 87.452963][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 87.452963][ T74] addrconf_add_dev+0xe2/0x170 [ 87.452963][ T74] inet6_addr_add+0x12f/0xa40 [ 87.452963][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 87.452963][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 87.452963][ T74] netlink_rcv_skb+0x130/0x360 [ 87.452963][ T74] netlink_unicast+0x449/0x710 [ 87.452963][ T74] netlink_sendmsg+0x723/0xbe0 [ 87.452963][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 87.452963][ T74] ___sys_sendmsg+0xee/0x170 [ 87.452963][ T74] __sys_sendmsg+0xcd/0x170 [ 87.452963][ T74] do_syscall_64+0xc6/0x1e0 [ 87.452963][ T74] [ 87.455314][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 87.455314][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 87.455314][ T74] ipv6_find_idev+0x102/0x170 [ 87.455314][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 87.455314][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 87.455314][ T74] netlink_rcv_skb+0x130/0x360 [ 87.455314][ T74] netlink_unicast+0x449/0x710 [ 87.455314][ T74] netlink_sendmsg+0x723/0xbe0 [ 87.455314][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 87.455314][ T74] ___sys_sendmsg+0xee/0x170 [ 87.455314][ T74] __sys_sendmsg+0xcd/0x170 [ 87.455314][ T74] do_syscall_64+0xc6/0x1e0 [ 87.455314][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 87.455314][ T74] [ 87.457172][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 87.457172][ T74] neigh_parms_alloc+0x1e5/0x510 [ 87.457172][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 87.457172][ T74] ipv6_find_idev+0x102/0x170 [ 87.457172][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 87.457172][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 87.457172][ T74] netlink_rcv_skb+0x130/0x360 [ 87.457172][ T74] netlink_unicast+0x449/0x710 [ 87.457172][ T74] netlink_sendmsg+0x723/0xbe0 [ 87.457172][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 87.457172][ T74] ___sys_sendmsg+0xee/0x170 [ 87.457172][ T74] __sys_sendmsg+0xcd/0x170 [ 87.457172][ T74] do_syscall_64+0xc6/0x1e0 [ 87.457172][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 87.457172][ T74] [ 87.459248][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 87.460049][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 87.460049][ T74] netdev_get_by_index+0x5e/0x80 [ 87.460049][ T74] fib6_nh_init+0x3d8/0x1580 [ 87.460049][ T74] ip6_route_info_create+0xf18/0x17d0 [ 87.460049][ T74] ip6_route_add+0x1c/0x140 [ 87.460049][ T74] addrconf_prefix_route+0x2a6/0x430 [ 87.460049][ T74] inet6_addr_add+0x4f8/0xa40 [ 87.460049][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 87.460049][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 87.460049][ T74] netlink_rcv_skb+0x130/0x360 [ 87.460049][ T74] netlink_unicast+0x449/0x710 [ 87.460049][ T74] netlink_sendmsg+0x723/0xbe0 [ 87.460049][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 87.460049][ T74] ___sys_sendmsg+0xee/0x170 [ 87.460049][ T74] __sys_sendmsg+0xcd/0x170 [ 87.460049][ T74] do_syscall_64+0xc6/0x1e0 [ 87.460049][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 87.460049][ T74] [ 87.462248][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 87.462248][ T74] netdev_get_by_index+0x5e/0x80 [ 87.462248][ T74] fib6_nh_init+0x3d8/0x1580 [ 87.462248][ T74] ip6_route_info_create+0xf18/0x17d0 [ 87.462248][ T74] addrconf_f6i_alloc+0x315/0x560 [ 87.462248][ T74] ipv6_add_addr+0x411/0x2000 [ 87.462248][ T74] inet6_addr_add+0x30e/0xa40 [ 87.462248][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 87.462248][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 87.462248][ T74] netlink_rcv_skb+0x130/0x360 [ 87.462248][ T74] netlink_unicast+0x449/0x710 [ 87.462248][ T74] netlink_sendmsg+0x723/0xbe0 [ 87.462248][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 87.462248][ T74] ___sys_sendmsg+0xee/0x170 [ 87.462248][ T74] __sys_sendmsg+0xcd/0x170 [ 87.462248][ T74] do_syscall_64+0xc6/0x1e0 [ 87.462248][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 87.462248][ T74] [ 87.464723][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 87.464723][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 87.464723][ T74] ipv6_find_idev+0x102/0x170 [ 87.464723][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 87.464723][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 87.464723][ T74] netlink_rcv_skb+0x130/0x360 [ 87.464723][ T74] netlink_unicast+0x449/0x710 [ 87.464723][ T74] netlink_sendmsg+0x723/0xbe0 [ 87.464723][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 87.464723][ T74] ___sys_sendmsg+0xee/0x170 [ 87.464723][ T74] __sys_sendmsg+0xcd/0x170 [ 87.464723][ T74] do_syscall_64+0xc6/0x1e0 [ 87.464723][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 87.464723][ T74] [ 87.466618][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 87.466618][ T74] neigh_parms_alloc+0x1e5/0x510 [ 87.466618][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 87.466618][ T74] ipv6_find_idev+0x102/0x170 [ 87.466618][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 87.466618][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 87.466618][ T74] netlink_rcv_skb+0x130/0x360 [ 87.466618][ T74] netlink_unicast+0x449/0x710 [ 87.466618][ T74] netlink_sendmsg+0x723/0xbe0 [ 87.466618][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 87.466618][ T74] ___sys_sendmsg+0xee/0x170 [ 87.466618][ T74] __sys_sendmsg+0xcd/0x170 [ 87.466618][ T74] do_syscall_64+0xc6/0x1e0 [ 87.466618][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 87.466618][ T74] [ 90.384933][ T641] br0: port 1(vx0) entered blocking state [ 90.385141][ T641] br0: port 1(vx0) entered disabled state [ 90.385338][ T641] vx0: entered allmulticast mode [ 90.386817][ T641] vx0: entered promiscuous mode [ 90.388883][ T641] br0: port 1(vx0) entered blocking state [ 90.389139][ T641] br0: port 1(vx0) entered forwarding state [ 96.364575][ T671] br0: port 1(vx0) entered blocking state [ 96.364790][ T671] br0: port 1(vx0) entered disabled state [ 96.365009][ T671] vx0: entered allmulticast mode [ 96.366195][ T671] vx0: entered promiscuous mode [ 96.368090][ T671] br0: port 1(vx0) entered blocking state [ 96.368266][ T671] br0: port 1(vx0) entered forwarding state [ 97.585074][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 97.585522][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 97.585522][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 97.585522][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 97.585522][ T74] fib6_nh_init+0xa22/0x1580 [ 97.585522][ T74] ip6_route_info_create+0xf18/0x17d0 [ 97.585522][ T74] ip6_route_add+0x1c/0x140 [ 97.585522][ T74] inet6_rtm_newroute+0x104/0x110 [ 97.585522][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 97.585522][ T74] netlink_rcv_skb+0x130/0x360 [ 97.585522][ T74] netlink_unicast+0x449/0x710 [ 97.585522][ T74] netlink_sendmsg+0x723/0xbe0 [ 97.585522][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 97.585522][ T74] ___sys_sendmsg+0xee/0x170 [ 97.585522][ T74] __sys_sendmsg+0xcd/0x170 [ 97.585522][ T74] do_syscall_64+0xc6/0x1e0 [ 97.585522][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 97.585522][ T74] [ 97.588638][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 97.588638][ T74] netdev_get_by_index+0x5e/0x80 [ 97.588638][ T74] fib6_nh_init+0x3d8/0x1580 [ 97.588638][ T74] ip6_route_info_create+0xf18/0x17d0 [ 97.588638][ T74] addrconf_f6i_alloc+0x265/0x560 [ 97.588638][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 97.588638][ T74] addrconf_join_anycast+0x1c0/0x220 [ 97.588638][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 97.588638][ T74] addrconf_dad_completed+0x12b/0xe20 [ 97.588638][ T74] addrconf_dad_begin+0x310/0x670 [ 97.588638][ T74] addrconf_dad_work+0x10b/0xab0 [ 97.588638][ T74] process_one_work+0x84d/0x18a0 [ 97.588638][ T74] worker_thread+0x587/0xd30 [ 97.588638][ T74] kthread+0x28a/0x350 [ 97.588638][ T74] ret_from_fork+0x31/0x70 [ 97.588638][ T74] ret_from_fork_asm+0x1a/0x30 [ 97.588638][ T74] [ 97.591781][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 97.591781][ T74] netdev_get_by_index+0x5e/0x80 [ 97.591781][ T74] fib6_nh_init+0x3d8/0x1580 [ 97.591781][ T74] ip6_route_info_create+0xf18/0x17d0 [ 97.591781][ T74] ip6_route_add+0x1c/0x140 [ 97.591781][ T74] addrconf_prefix_route+0x2a6/0x430 [ 97.591781][ T74] inet6_addr_add+0x4f8/0xa40 [ 97.591781][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 97.591781][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 97.591781][ T74] netlink_rcv_skb+0x130/0x360 [ 97.591781][ T74] netlink_unicast+0x449/0x710 [ 97.591781][ T74] netlink_sendmsg+0x723/0xbe0 [ 97.591781][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 97.591781][ T74] ___sys_sendmsg+0xee/0x170 [ 97.591781][ T74] __sys_sendmsg+0xcd/0x170 [ 97.591781][ T74] do_syscall_64+0xc6/0x1e0 [ 97.591781][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 97.591781][ T74] [ 97.595246][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 97.595246][ T74] netdev_get_by_index+0x5e/0x80 [ 97.595246][ T74] fib6_nh_init+0x3d8/0x1580 [ 97.595246][ T74] ip6_route_info_create+0xf18/0x17d0 [ 97.595246][ T74] addrconf_f6i_alloc+0x315/0x560 [ 97.595246][ T74] ipv6_add_addr+0x411/0x2000 [ 97.595246][ T74] inet6_addr_add+0x30e/0xa40 [ 97.595246][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 97.595246][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 97.595246][ T74] netlink_rcv_skb+0x130/0x360 [ 97.595246][ T74] netlink_unicast+0x449/0x710 [ 97.595246][ T74] netlink_sendmsg+0x723/0xbe0 [ 97.595246][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 97.595246][ T74] ___sys_sendmsg+0xee/0x170 [ 97.595246][ T74] __sys_sendmsg+0xcd/0x170 [ 97.595246][ T74] do_syscall_64+0xc6/0x1e0 [ 97.595246][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 97.595246][ T74] [ 97.598899][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 97.598899][ T74] netdev_get_by_index+0x5e/0x80 [ 97.598899][ T74] fib6_nh_init+0x3d8/0x1580 [ 97.598899][ T74] ip6_route_info_create+0xf18/0x17d0 [ 97.598899][ T74] ip6_route_add+0x1c/0x140 [ 97.598899][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 97.598899][ T74] addrconf_add_dev+0xe2/0x170 [ 97.598899][ T74] inet6_addr_add+0x12f/0xa40 [ 97.598899][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 97.598899][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 97.598899][ T74] netlink_rcv_skb+0x130/0x360 [ 97.598899][ T74] netlink_unicast+0x449/0x710 [ 97.598899][ T74] netlink_sendmsg+0x723/0xbe0 [ 97.598899][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 97.598899][ T74] ___sys_sendmsg+0xee/0x170 [ 97.598899][ T74] __sys_sendmsg+0xcd/0x170 [ 97.598899][ T74] do_syscall_64+0xc6/0x1e0 [ 97.598899][ T74] [ 97.602610][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 97.602610][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 97.602610][ T74] ipv6_find_idev+0x102/0x170 [ 97.602610][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 97.602610][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 97.602610][ T74] netlink_rcv_skb+0x130/0x360 [ 97.602610][ T74] netlink_unicast+0x449/0x710 [ 97.602610][ T74] netlink_sendmsg+0x723/0xbe0 [ 97.602610][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 97.602610][ T74] ___sys_sendmsg+0xee/0x170 [ 97.602610][ T74] __sys_sendmsg+0xcd/0x170 [ 97.602610][ T74] do_syscall_64+0xc6/0x1e0 [ 97.602610][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 97.602610][ T74] [ 97.605427][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 97.605427][ T74] neigh_parms_alloc+0x1e5/0x510 [ 97.605427][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 97.605427][ T74] ipv6_find_idev+0x102/0x170 [ 97.605427][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 97.605427][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 97.605427][ T74] netlink_rcv_skb+0x130/0x360 [ 97.605427][ T74] netlink_unicast+0x449/0x710 [ 97.605427][ T74] netlink_sendmsg+0x723/0xbe0 [ 97.605427][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 97.605427][ T74] ___sys_sendmsg+0xee/0x170 [ 97.605427][ T74] __sys_sendmsg+0xcd/0x170 [ 97.605427][ T74] do_syscall_64+0xc6/0x1e0 [ 97.605427][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 97.605427][ T74] [ 97.608570][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 97.609282][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 97.609282][ T74] dst_init+0x84/0x4a0 [ 97.609282][ T74] dst_alloc+0x97/0x150 [ 97.609282][ T74] ip6_dst_alloc+0x23/0x90 [ 97.609282][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 97.609282][ T74] ip6_pol_route+0x56f/0x840 [ 97.609282][ T74] fib6_rule_lookup+0x456/0x630 [ 97.609282][ T74] ip6_route_input+0x59c/0xa50 [ 97.609282][ T74] ipv6_rcv+0x397/0x810 [ 97.609282][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 97.609282][ T74] process_backlog+0x101/0x620 [ 97.609282][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 97.609282][ T74] net_rx_action+0x495/0xbe0 [ 97.609282][ T74] __do_softirq+0x1b5/0x7f6 [ 97.609282][ T74] [ 97.612321][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 97.612321][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 97.612321][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 97.612321][ T74] fib6_nh_init+0xa22/0x1580 [ 97.612321][ T74] ip6_route_info_create+0xf18/0x17d0 [ 97.612321][ T74] ip6_route_add+0x1c/0x140 [ 97.612321][ T74] inet6_rtm_newroute+0x104/0x110 [ 97.612321][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 97.612321][ T74] netlink_rcv_skb+0x130/0x360 [ 97.612321][ T74] netlink_unicast+0x449/0x710 [ 97.612321][ T74] netlink_sendmsg+0x723/0xbe0 [ 97.612321][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 97.612321][ T74] ___sys_sendmsg+0xee/0x170 [ 97.612321][ T74] __sys_sendmsg+0xcd/0x170 [ 97.612321][ T74] do_syscall_64+0xc6/0x1e0 [ 97.612321][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 97.612321][ T74] [ 97.615871][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 97.615871][ T74] netdev_get_by_index+0x5e/0x80 [ 97.615871][ T74] fib6_nh_init+0x3d8/0x1580 [ 97.615871][ T74] ip6_route_info_create+0xf18/0x17d0 [ 97.615871][ T74] addrconf_f6i_alloc+0x265/0x560 [ 97.615871][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 97.615871][ T74] addrconf_join_anycast+0x1c0/0x220 [ 97.615871][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 97.615871][ T74] addrconf_dad_completed+0x12b/0xe20 [ 97.615871][ T74] addrconf_dad_begin+0x310/0x670 [ 97.615871][ T74] addrconf_dad_work+0x10b/0xab0 [ 97.615871][ T74] process_one_work+0x84d/0x18a0 [ 97.615871][ T74] worker_thread+0x587/0xd30 [ 97.615871][ T74] kthread+0x28a/0x350 [ 97.615871][ T74] ret_from_fork+0x31/0x70 [ 97.615871][ T74] ret_from_fork_asm+0x1a/0x30 [ 97.615871][ T74] [ 97.619690][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 97.619690][ T74] netdev_get_by_index+0x5e/0x80 [ 97.619690][ T74] fib6_nh_init+0x3d8/0x1580 [ 97.619690][ T74] ip6_route_info_create+0xf18/0x17d0 [ 97.619690][ T74] ip6_route_add+0x1c/0x140 [ 97.619690][ T74] addrconf_prefix_route+0x2a6/0x430 [ 97.619690][ T74] inet6_addr_add+0x4f8/0xa40 [ 97.619690][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 97.619690][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 97.619690][ T74] netlink_rcv_skb+0x130/0x360 [ 97.619690][ T74] netlink_unicast+0x449/0x710 [ 97.619690][ T74] netlink_sendmsg+0x723/0xbe0 [ 97.619690][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 97.619690][ T74] ___sys_sendmsg+0xee/0x170 [ 97.619690][ T74] __sys_sendmsg+0xcd/0x170 [ 97.619690][ T74] do_syscall_64+0xc6/0x1e0 [ 97.619690][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 97.619690][ T74] [ 97.623092][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 97.623092][ T74] netdev_get_by_index+0x5e/0x80 [ 97.623092][ T74] fib6_nh_init+0x3d8/0x1580 [ 97.623092][ T74] ip6_route_info_create+0xf18/0x17d0 [ 97.623092][ T74] addrconf_f6i_alloc+0x315/0x560 [ 97.623092][ T74] ipv6_add_addr+0x411/0x2000 [ 97.623092][ T74] inet6_addr_add+0x30e/0xa40 [ 97.623092][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 97.623092][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 97.623092][ T74] netlink_rcv_skb+0x130/0x360 [ 97.623092][ T74] netlink_unicast+0x449/0x710 [ 97.623092][ T74] netlink_sendmsg+0x723/0xbe0 [ 97.623092][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 97.623092][ T74] ___sys_sendmsg+0xee/0x170 [ 97.623092][ T74] __sys_sendmsg+0xcd/0x170 [ 97.623092][ T74] do_syscall_64+0xc6/0x1e0 [ 97.623092][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 97.623092][ T74] [ 97.626226][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 97.626226][ T74] netdev_get_by_index+0x5e/0x80 [ 97.626226][ T74] fib6_nh_init+0x3d8/0x1580 [ 97.626226][ T74] ip6_route_info_create+0xf18/0x17d0 [ 97.626226][ T74] ip6_route_add+0x1c/0x140 [ 97.626226][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 97.626226][ T74] addrconf_add_dev+0xe2/0x170 [ 97.626226][ T74] inet6_addr_add+0x12f/0xa40 [ 97.626226][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 97.626226][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 97.626226][ T74] netlink_rcv_skb+0x130/0x360 [ 97.626226][ T74] netlink_unicast+0x449/0x710 [ 97.626226][ T74] netlink_sendmsg+0x723/0xbe0 [ 97.626226][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 97.626226][ T74] ___sys_sendmsg+0xee/0x170 [ 97.626226][ T74] __sys_sendmsg+0xcd/0x170 [ 97.626226][ T74] do_syscall_64+0xc6/0x1e0 [ 97.626226][ T74] [ 97.629799][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 97.629799][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 97.629799][ T74] ipv6_find_idev+0x102/0x170 [ 97.629799][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 97.629799][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 97.629799][ T74] netlink_rcv_skb+0x130/0x360 [ 97.629799][ T74] netlink_unicast+0x449/0x710 [ 97.629799][ T74] netlink_sendmsg+0x723/0xbe0 [ 97.629799][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 97.629799][ T74] ___sys_sendmsg+0xee/0x170 [ 97.629799][ T74] __sys_sendmsg+0xcd/0x170 [ 97.629799][ T74] do_syscall_64+0xc6/0x1e0 [ 97.629799][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 97.629799][ T74] [ 97.632496][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 97.632496][ T74] neigh_parms_alloc+0x1e5/0x510 [ 97.632496][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 97.632496][ T74] ipv6_find_idev+0x102/0x170 [ 97.632496][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 97.632496][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 97.632496][ T74] netlink_rcv_skb+0x130/0x360 [ 97.632496][ T74] netlink_unicast+0x449/0x710 [ 97.632496][ T74] netlink_sendmsg+0x723/0xbe0 [ 97.632496][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 97.632496][ T74] ___sys_sendmsg+0xee/0x170 [ 97.632496][ T74] __sys_sendmsg+0xcd/0x170 [ 97.632496][ T74] do_syscall_64+0xc6/0x1e0 [ 97.632496][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 97.632496][ T74] [ 97.635280][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 97.635776][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 97.635776][ T74] netdev_get_by_index+0x5e/0x80 [ 97.635776][ T74] fib6_nh_init+0x3d8/0x1580 [ 97.635776][ T74] ip6_route_info_create+0xf18/0x17d0 [ 97.635776][ T74] ip6_route_add+0x1c/0x140 [ 97.635776][ T74] addrconf_prefix_route+0x2a6/0x430 [ 97.635776][ T74] inet6_addr_add+0x4f8/0xa40 [ 97.635776][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 97.635776][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 97.635776][ T74] netlink_rcv_skb+0x130/0x360 [ 97.635776][ T74] netlink_unicast+0x449/0x710 [ 97.635776][ T74] netlink_sendmsg+0x723/0xbe0 [ 97.635776][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 97.635776][ T74] ___sys_sendmsg+0xee/0x170 [ 97.635776][ T74] __sys_sendmsg+0xcd/0x170 [ 97.635776][ T74] do_syscall_64+0xc6/0x1e0 [ 97.635776][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 97.635776][ T74] [ 97.638977][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 97.638977][ T74] netdev_get_by_index+0x5e/0x80 [ 97.638977][ T74] fib6_nh_init+0x3d8/0x1580 [ 97.638977][ T74] ip6_route_info_create+0xf18/0x17d0 [ 97.638977][ T74] addrconf_f6i_alloc+0x315/0x560 [ 97.638977][ T74] ipv6_add_addr+0x411/0x2000 [ 97.638977][ T74] inet6_addr_add+0x30e/0xa40 [ 97.638977][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 97.638977][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 97.638977][ T74] netlink_rcv_skb+0x130/0x360 [ 97.638977][ T74] netlink_unicast+0x449/0x710 [ 97.638977][ T74] netlink_sendmsg+0x723/0xbe0 [ 97.638977][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 97.638977][ T74] ___sys_sendmsg+0xee/0x170 [ 97.638977][ T74] __sys_sendmsg+0xcd/0x170 [ 97.638977][ T74] do_syscall_64+0xc6/0x1e0 [ 97.638977][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 97.638977][ T74] [ 97.642160][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 97.642160][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 97.642160][ T74] ipv6_find_idev+0x102/0x170 [ 97.642160][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 97.642160][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 97.642160][ T74] netlink_rcv_skb+0x130/0x360 [ 97.642160][ T74] netlink_unicast+0x449/0x710 [ 97.642160][ T74] netlink_sendmsg+0x723/0xbe0 [ 97.642160][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 97.642160][ T74] ___sys_sendmsg+0xee/0x170 [ 97.642160][ T74] __sys_sendmsg+0xcd/0x170 [ 97.642160][ T74] do_syscall_64+0xc6/0x1e0 [ 97.642160][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 97.642160][ T74] [ 97.644744][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 97.644744][ T74] neigh_parms_alloc+0x1e5/0x510 [ 97.644744][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 97.644744][ T74] ipv6_find_idev+0x102/0x170 [ 97.644744][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 97.644744][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 97.644744][ T74] netlink_rcv_skb+0x130/0x360 [ 97.644744][ T74] netlink_unicast+0x449/0x710 [ 97.644744][ T74] netlink_sendmsg+0x723/0xbe0 [ 97.644744][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 97.644744][ T74] ___sys_sendmsg+0xee/0x170 [ 97.644744][ T74] __sys_sendmsg+0xcd/0x170 [ 97.644744][ T74] do_syscall_64+0xc6/0x1e0 [ 97.644744][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 97.644744][ T74] [ 107.671925][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 107.672267][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 107.672267][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 107.672267][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 107.672267][ T74] fib6_nh_init+0xa22/0x1580 [ 107.672267][ T74] ip6_route_info_create+0xf18/0x17d0 [ 107.672267][ T74] ip6_route_add+0x1c/0x140 [ 107.672267][ T74] inet6_rtm_newroute+0x104/0x110 [ 107.672267][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 107.672267][ T74] netlink_rcv_skb+0x130/0x360 [ 107.672267][ T74] netlink_unicast+0x449/0x710 [ 107.672267][ T74] netlink_sendmsg+0x723/0xbe0 [ 107.672267][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 107.672267][ T74] ___sys_sendmsg+0xee/0x170 [ 107.672267][ T74] __sys_sendmsg+0xcd/0x170 [ 107.672267][ T74] do_syscall_64+0xc6/0x1e0 [ 107.672267][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 107.672267][ T74] [ 107.674714][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 107.674714][ T74] netdev_get_by_index+0x5e/0x80 [ 107.674714][ T74] fib6_nh_init+0x3d8/0x1580 [ 107.674714][ T74] ip6_route_info_create+0xf18/0x17d0 [ 107.674714][ T74] addrconf_f6i_alloc+0x265/0x560 [ 107.674714][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 107.674714][ T74] addrconf_join_anycast+0x1c0/0x220 [ 107.674714][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 107.674714][ T74] addrconf_dad_completed+0x12b/0xe20 [ 107.674714][ T74] addrconf_dad_begin+0x310/0x670 [ 107.674714][ T74] addrconf_dad_work+0x10b/0xab0 [ 107.674714][ T74] process_one_work+0x84d/0x18a0 [ 107.674714][ T74] worker_thread+0x587/0xd30 [ 107.674714][ T74] kthread+0x28a/0x350 [ 107.674714][ T74] ret_from_fork+0x31/0x70 [ 107.674714][ T74] ret_from_fork_asm+0x1a/0x30 [ 107.674714][ T74] [ 107.677062][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 107.677062][ T74] netdev_get_by_index+0x5e/0x80 [ 107.677062][ T74] fib6_nh_init+0x3d8/0x1580 [ 107.677062][ T74] ip6_route_info_create+0xf18/0x17d0 [ 107.677062][ T74] ip6_route_add+0x1c/0x140 [ 107.677062][ T74] addrconf_prefix_route+0x2a6/0x430 [ 107.677062][ T74] inet6_addr_add+0x4f8/0xa40 [ 107.677062][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 107.677062][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 107.677062][ T74] netlink_rcv_skb+0x130/0x360 [ 107.677062][ T74] netlink_unicast+0x449/0x710 [ 107.677062][ T74] netlink_sendmsg+0x723/0xbe0 [ 107.677062][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 107.677062][ T74] ___sys_sendmsg+0xee/0x170 [ 107.677062][ T74] __sys_sendmsg+0xcd/0x170 [ 107.677062][ T74] do_syscall_64+0xc6/0x1e0 [ 107.677062][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 107.677062][ T74] [ 107.679155][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 107.679155][ T74] netdev_get_by_index+0x5e/0x80 [ 107.679155][ T74] fib6_nh_init+0x3d8/0x1580 [ 107.679155][ T74] ip6_route_info_create+0xf18/0x17d0 [ 107.679155][ T74] addrconf_f6i_alloc+0x315/0x560 [ 107.679155][ T74] ipv6_add_addr+0x411/0x2000 [ 107.679155][ T74] inet6_addr_add+0x30e/0xa40 [ 107.679155][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 107.679155][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 107.679155][ T74] netlink_rcv_skb+0x130/0x360 [ 107.679155][ T74] netlink_unicast+0x449/0x710 [ 107.679155][ T74] netlink_sendmsg+0x723/0xbe0 [ 107.679155][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 107.679155][ T74] ___sys_sendmsg+0xee/0x170 [ 107.679155][ T74] __sys_sendmsg+0xcd/0x170 [ 107.679155][ T74] do_syscall_64+0xc6/0x1e0 [ 107.679155][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 107.679155][ T74] [ 107.681259][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 107.681259][ T74] netdev_get_by_index+0x5e/0x80 [ 107.681259][ T74] fib6_nh_init+0x3d8/0x1580 [ 107.681259][ T74] ip6_route_info_create+0xf18/0x17d0 [ 107.681259][ T74] ip6_route_add+0x1c/0x140 [ 107.681259][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 107.681259][ T74] addrconf_add_dev+0xe2/0x170 [ 107.681259][ T74] inet6_addr_add+0x12f/0xa40 [ 107.681259][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 107.681259][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 107.681259][ T74] netlink_rcv_skb+0x130/0x360 [ 107.681259][ T74] netlink_unicast+0x449/0x710 [ 107.681259][ T74] netlink_sendmsg+0x723/0xbe0 [ 107.681259][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 107.681259][ T74] ___sys_sendmsg+0xee/0x170 [ 107.681259][ T74] __sys_sendmsg+0xcd/0x170 [ 107.681259][ T74] do_syscall_64+0xc6/0x1e0 [ 107.681259][ T74] [ 107.683397][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 107.683397][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 107.683397][ T74] ipv6_find_idev+0x102/0x170 [ 107.683397][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 107.683397][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 107.683397][ T74] netlink_rcv_skb+0x130/0x360 [ 107.683397][ T74] netlink_unicast+0x449/0x710 [ 107.683397][ T74] netlink_sendmsg+0x723/0xbe0 [ 107.683397][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 107.683397][ T74] ___sys_sendmsg+0xee/0x170 [ 107.683397][ T74] __sys_sendmsg+0xcd/0x170 [ 107.683397][ T74] do_syscall_64+0xc6/0x1e0 [ 107.683397][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 107.683397][ T74] [ 107.684998][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 107.684998][ T74] neigh_parms_alloc+0x1e5/0x510 [ 107.684998][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 107.684998][ T74] ipv6_find_idev+0x102/0x170 [ 107.684998][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 107.684998][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 107.684998][ T74] netlink_rcv_skb+0x130/0x360 [ 107.684998][ T74] netlink_unicast+0x449/0x710 [ 107.684998][ T74] netlink_sendmsg+0x723/0xbe0 [ 107.684998][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 107.684998][ T74] ___sys_sendmsg+0xee/0x170 [ 107.684998][ T74] __sys_sendmsg+0xcd/0x170 [ 107.684998][ T74] do_syscall_64+0xc6/0x1e0 [ 107.684998][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 107.684998][ T74] [ 107.686773][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 107.687123][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 107.687123][ T74] dst_init+0x84/0x4a0 [ 107.687123][ T74] dst_alloc+0x97/0x150 [ 107.687123][ T74] ip6_dst_alloc+0x23/0x90 [ 107.687123][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 107.687123][ T74] ip6_pol_route+0x56f/0x840 [ 107.687123][ T74] fib6_rule_lookup+0x456/0x630 [ 107.687123][ T74] ip6_route_input+0x59c/0xa50 [ 107.687123][ T74] ipv6_rcv+0x397/0x810 [ 107.687123][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 107.687123][ T74] process_backlog+0x101/0x620 [ 107.687123][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 107.687123][ T74] net_rx_action+0x495/0xbe0 [ 107.687123][ T74] __do_softirq+0x1b5/0x7f6 [ 107.687123][ T74] [ 107.689190][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 107.689190][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 107.689190][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 107.689190][ T74] fib6_nh_init+0xa22/0x1580 [ 107.689190][ T74] ip6_route_info_create+0xf18/0x17d0 [ 107.689190][ T74] ip6_route_add+0x1c/0x140 [ 107.689190][ T74] inet6_rtm_newroute+0x104/0x110 [ 107.689190][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 107.689190][ T74] netlink_rcv_skb+0x130/0x360 [ 107.689190][ T74] netlink_unicast+0x449/0x710 [ 107.689190][ T74] netlink_sendmsg+0x723/0xbe0 [ 107.689190][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 107.689190][ T74] ___sys_sendmsg+0xee/0x170 [ 107.689190][ T74] __sys_sendmsg+0xcd/0x170 [ 107.689190][ T74] do_syscall_64+0xc6/0x1e0 [ 107.689190][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 107.689190][ T74] [ 107.691526][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 107.691526][ T74] netdev_get_by_index+0x5e/0x80 [ 107.691526][ T74] fib6_nh_init+0x3d8/0x1580 [ 107.691526][ T74] ip6_route_info_create+0xf18/0x17d0 [ 107.691526][ T74] addrconf_f6i_alloc+0x265/0x560 [ 107.691526][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 107.691526][ T74] addrconf_join_anycast+0x1c0/0x220 [ 107.691526][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 107.691526][ T74] addrconf_dad_completed+0x12b/0xe20 [ 107.691526][ T74] addrconf_dad_begin+0x310/0x670 [ 107.691526][ T74] addrconf_dad_work+0x10b/0xab0 [ 107.691526][ T74] process_one_work+0x84d/0x18a0 [ 107.691526][ T74] worker_thread+0x587/0xd30 [ 107.691526][ T74] kthread+0x28a/0x350 [ 107.691526][ T74] ret_from_fork+0x31/0x70 [ 107.691526][ T74] ret_from_fork_asm+0x1a/0x30 [ 107.691526][ T74] [ 107.693850][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 107.693850][ T74] netdev_get_by_index+0x5e/0x80 [ 107.693850][ T74] fib6_nh_init+0x3d8/0x1580 [ 107.693850][ T74] ip6_route_info_create+0xf18/0x17d0 [ 107.693850][ T74] ip6_route_add+0x1c/0x140 [ 107.693850][ T74] addrconf_prefix_route+0x2a6/0x430 [ 107.693850][ T74] inet6_addr_add+0x4f8/0xa40 [ 107.693850][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 107.693850][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 107.693850][ T74] netlink_rcv_skb+0x130/0x360 [ 107.693850][ T74] netlink_unicast+0x449/0x710 [ 107.693850][ T74] netlink_sendmsg+0x723/0xbe0 [ 107.693850][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 107.693850][ T74] ___sys_sendmsg+0xee/0x170 [ 107.693850][ T74] __sys_sendmsg+0xcd/0x170 [ 107.693850][ T74] do_syscall_64+0xc6/0x1e0 [ 107.693850][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 107.693850][ T74] [ 107.696455][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 107.696455][ T74] netdev_get_by_index+0x5e/0x80 [ 107.696455][ T74] fib6_nh_init+0x3d8/0x1580 [ 107.696455][ T74] ip6_route_info_create+0xf18/0x17d0 [ 107.696455][ T74] addrconf_f6i_alloc+0x315/0x560 [ 107.696455][ T74] ipv6_add_addr+0x411/0x2000 [ 107.696455][ T74] inet6_addr_add+0x30e/0xa40 [ 107.696455][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 107.696455][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 107.696455][ T74] netlink_rcv_skb+0x130/0x360 [ 107.696455][ T74] netlink_unicast+0x449/0x710 [ 107.696455][ T74] netlink_sendmsg+0x723/0xbe0 [ 107.696455][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 107.696455][ T74] ___sys_sendmsg+0xee/0x170 [ 107.696455][ T74] __sys_sendmsg+0xcd/0x170 [ 107.696455][ T74] do_syscall_64+0xc6/0x1e0 [ 107.696455][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 107.696455][ T74] [ 107.699173][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 107.699173][ T74] netdev_get_by_index+0x5e/0x80 [ 107.699173][ T74] fib6_nh_init+0x3d8/0x1580 [ 107.699173][ T74] ip6_route_info_create+0xf18/0x17d0 [ 107.699173][ T74] ip6_route_add+0x1c/0x140 [ 107.699173][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 107.699173][ T74] addrconf_add_dev+0xe2/0x170 [ 107.699173][ T74] inet6_addr_add+0x12f/0xa40 [ 107.699173][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 107.699173][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 107.699173][ T74] netlink_rcv_skb+0x130/0x360 [ 107.699173][ T74] netlink_unicast+0x449/0x710 [ 107.699173][ T74] netlink_sendmsg+0x723/0xbe0 [ 107.699173][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 107.699173][ T74] ___sys_sendmsg+0xee/0x170 [ 107.699173][ T74] __sys_sendmsg+0xcd/0x170 [ 107.699173][ T74] do_syscall_64+0xc6/0x1e0 [ 107.699173][ T74] [ 107.701683][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 107.701683][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 107.701683][ T74] ipv6_find_idev+0x102/0x170 [ 107.701683][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 107.701683][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 107.701683][ T74] netlink_rcv_skb+0x130/0x360 [ 107.701683][ T74] netlink_unicast+0x449/0x710 [ 107.701683][ T74] netlink_sendmsg+0x723/0xbe0 [ 107.701683][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 107.701683][ T74] ___sys_sendmsg+0xee/0x170 [ 107.701683][ T74] __sys_sendmsg+0xcd/0x170 [ 107.701683][ T74] do_syscall_64+0xc6/0x1e0 [ 107.701683][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 107.701683][ T74] [ 107.703498][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 107.703498][ T74] neigh_parms_alloc+0x1e5/0x510 [ 107.703498][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 107.703498][ T74] ipv6_find_idev+0x102/0x170 [ 107.703498][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 107.703498][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 107.703498][ T74] netlink_rcv_skb+0x130/0x360 [ 107.703498][ T74] netlink_unicast+0x449/0x710 [ 107.703498][ T74] netlink_sendmsg+0x723/0xbe0 [ 107.703498][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 107.703498][ T74] ___sys_sendmsg+0xee/0x170 [ 107.703498][ T74] __sys_sendmsg+0xcd/0x170 [ 107.703498][ T74] do_syscall_64+0xc6/0x1e0 [ 107.703498][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 107.703498][ T74] [ 107.705569][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 107.706001][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 107.706001][ T74] netdev_get_by_index+0x5e/0x80 [ 107.706001][ T74] fib6_nh_init+0x3d8/0x1580 [ 107.706001][ T74] ip6_route_info_create+0xf18/0x17d0 [ 107.706001][ T74] ip6_route_add+0x1c/0x140 [ 107.706001][ T74] addrconf_prefix_route+0x2a6/0x430 [ 107.706001][ T74] inet6_addr_add+0x4f8/0xa40 [ 107.706001][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 107.706001][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 107.706001][ T74] netlink_rcv_skb+0x130/0x360 [ 107.706001][ T74] netlink_unicast+0x449/0x710 [ 107.706001][ T74] netlink_sendmsg+0x723/0xbe0 [ 107.706001][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 107.706001][ T74] ___sys_sendmsg+0xee/0x170 [ 107.706001][ T74] __sys_sendmsg+0xcd/0x170 [ 107.706001][ T74] do_syscall_64+0xc6/0x1e0 [ 107.706001][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 107.706001][ T74] [ 107.708270][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 107.708270][ T74] netdev_get_by_index+0x5e/0x80 [ 107.708270][ T74] fib6_nh_init+0x3d8/0x1580 [ 107.708270][ T74] ip6_route_info_create+0xf18/0x17d0 [ 107.708270][ T74] addrconf_f6i_alloc+0x315/0x560 [ 107.708270][ T74] ipv6_add_addr+0x411/0x2000 [ 107.708270][ T74] inet6_addr_add+0x30e/0xa40 [ 107.708270][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 107.708270][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 107.708270][ T74] netlink_rcv_skb+0x130/0x360 [ 107.708270][ T74] netlink_unicast+0x449/0x710 [ 107.708270][ T74] netlink_sendmsg+0x723/0xbe0 [ 107.708270][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 107.708270][ T74] ___sys_sendmsg+0xee/0x170 [ 107.708270][ T74] __sys_sendmsg+0xcd/0x170 [ 107.708270][ T74] do_syscall_64+0xc6/0x1e0 [ 107.708270][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 107.708270][ T74] [ 107.710560][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 107.710560][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 107.710560][ T74] ipv6_find_idev+0x102/0x170 [ 107.710560][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 107.710560][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 107.710560][ T74] netlink_rcv_skb+0x130/0x360 [ 107.710560][ T74] netlink_unicast+0x449/0x710 [ 107.710560][ T74] netlink_sendmsg+0x723/0xbe0 [ 107.710560][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 107.710560][ T74] ___sys_sendmsg+0xee/0x170 [ 107.710560][ T74] __sys_sendmsg+0xcd/0x170 [ 107.710560][ T74] do_syscall_64+0xc6/0x1e0 [ 107.710560][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 107.710560][ T74] [ 107.712382][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 107.712382][ T74] neigh_parms_alloc+0x1e5/0x510 [ 107.712382][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 107.712382][ T74] ipv6_find_idev+0x102/0x170 [ 107.712382][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 107.712382][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 107.712382][ T74] netlink_rcv_skb+0x130/0x360 [ 107.712382][ T74] netlink_unicast+0x449/0x710 [ 107.712382][ T74] netlink_sendmsg+0x723/0xbe0 [ 107.712382][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 107.712382][ T74] ___sys_sendmsg+0xee/0x170 [ 107.712382][ T74] __sys_sendmsg+0xcd/0x170 [ 107.712382][ T74] do_syscall_64+0xc6/0x1e0 [ 107.712382][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 107.712382][ T74] [ 114.365531][ T801] veth0: renamed from veth1 [ 117.855915][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 117.856378][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 117.856378][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 117.856378][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 117.856378][ T74] fib6_nh_init+0xa22/0x1580 [ 117.856378][ T74] ip6_route_info_create+0xf18/0x17d0 [ 117.856378][ T74] ip6_route_add+0x1c/0x140 [ 117.856378][ T74] inet6_rtm_newroute+0x104/0x110 [ 117.856378][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 117.856378][ T74] netlink_rcv_skb+0x130/0x360 [ 117.856378][ T74] netlink_unicast+0x449/0x710 [ 117.856378][ T74] netlink_sendmsg+0x723/0xbe0 [ 117.856378][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 117.856378][ T74] ___sys_sendmsg+0xee/0x170 [ 117.856378][ T74] __sys_sendmsg+0xcd/0x170 [ 117.856378][ T74] do_syscall_64+0xc6/0x1e0 [ 117.856378][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 117.856378][ T74] [ 117.858911][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 117.858911][ T74] netdev_get_by_index+0x5e/0x80 [ 117.858911][ T74] fib6_nh_init+0x3d8/0x1580 [ 117.858911][ T74] ip6_route_info_create+0xf18/0x17d0 [ 117.858911][ T74] addrconf_f6i_alloc+0x265/0x560 [ 117.858911][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 117.858911][ T74] addrconf_join_anycast+0x1c0/0x220 [ 117.858911][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 117.858911][ T74] addrconf_dad_completed+0x12b/0xe20 [ 117.858911][ T74] addrconf_dad_begin+0x310/0x670 [ 117.858911][ T74] addrconf_dad_work+0x10b/0xab0 [ 117.858911][ T74] process_one_work+0x84d/0x18a0 [ 117.858911][ T74] worker_thread+0x587/0xd30 [ 117.858911][ T74] kthread+0x28a/0x350 [ 117.858911][ T74] ret_from_fork+0x31/0x70 [ 117.858911][ T74] ret_from_fork_asm+0x1a/0x30 [ 117.858911][ T74] [ 117.861275][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 117.861275][ T74] netdev_get_by_index+0x5e/0x80 [ 117.861275][ T74] fib6_nh_init+0x3d8/0x1580 [ 117.861275][ T74] ip6_route_info_create+0xf18/0x17d0 [ 117.861275][ T74] ip6_route_add+0x1c/0x140 [ 117.861275][ T74] addrconf_prefix_route+0x2a6/0x430 [ 117.861275][ T74] inet6_addr_add+0x4f8/0xa40 [ 117.861275][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 117.861275][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 117.861275][ T74] netlink_rcv_skb+0x130/0x360 [ 117.861275][ T74] netlink_unicast+0x449/0x710 [ 117.861275][ T74] netlink_sendmsg+0x723/0xbe0 [ 117.861275][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 117.861275][ T74] ___sys_sendmsg+0xee/0x170 [ 117.861275][ T74] __sys_sendmsg+0xcd/0x170 [ 117.861275][ T74] do_syscall_64+0xc6/0x1e0 [ 117.861275][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 117.861275][ T74] [ 117.863754][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 117.863754][ T74] netdev_get_by_index+0x5e/0x80 [ 117.863754][ T74] fib6_nh_init+0x3d8/0x1580 [ 117.863754][ T74] ip6_route_info_create+0xf18/0x17d0 [ 117.863754][ T74] addrconf_f6i_alloc+0x315/0x560 [ 117.863754][ T74] ipv6_add_addr+0x411/0x2000 [ 117.863754][ T74] inet6_addr_add+0x30e/0xa40 [ 117.863754][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 117.863754][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 117.863754][ T74] netlink_rcv_skb+0x130/0x360 [ 117.863754][ T74] netlink_unicast+0x449/0x710 [ 117.863754][ T74] netlink_sendmsg+0x723/0xbe0 [ 117.863754][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 117.863754][ T74] ___sys_sendmsg+0xee/0x170 [ 117.863754][ T74] __sys_sendmsg+0xcd/0x170 [ 117.863754][ T74] do_syscall_64+0xc6/0x1e0 [ 117.863754][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 117.863754][ T74] [ 117.866271][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 117.866271][ T74] netdev_get_by_index+0x5e/0x80 [ 117.866271][ T74] fib6_nh_init+0x3d8/0x1580 [ 117.866271][ T74] ip6_route_info_create+0xf18/0x17d0 [ 117.866271][ T74] ip6_route_add+0x1c/0x140 [ 117.866271][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 117.866271][ T74] addrconf_add_dev+0xe2/0x170 [ 117.866271][ T74] inet6_addr_add+0x12f/0xa40 [ 117.866271][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 117.866271][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 117.866271][ T74] netlink_rcv_skb+0x130/0x360 [ 117.866271][ T74] netlink_unicast+0x449/0x710 [ 117.866271][ T74] netlink_sendmsg+0x723/0xbe0 [ 117.866271][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 117.866271][ T74] ___sys_sendmsg+0xee/0x170 [ 117.866271][ T74] __sys_sendmsg+0xcd/0x170 [ 117.866271][ T74] do_syscall_64+0xc6/0x1e0 [ 117.866271][ T74] [ 117.868493][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 117.868493][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 117.868493][ T74] ipv6_find_idev+0x102/0x170 [ 117.868493][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 117.868493][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 117.868493][ T74] netlink_rcv_skb+0x130/0x360 [ 117.868493][ T74] netlink_unicast+0x449/0x710 [ 117.868493][ T74] netlink_sendmsg+0x723/0xbe0 [ 117.868493][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 117.868493][ T74] ___sys_sendmsg+0xee/0x170 [ 117.868493][ T74] __sys_sendmsg+0xcd/0x170 [ 117.868493][ T74] do_syscall_64+0xc6/0x1e0 [ 117.868493][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 117.868493][ T74] [ 117.870443][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 117.870443][ T74] neigh_parms_alloc+0x1e5/0x510 [ 117.870443][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 117.870443][ T74] ipv6_find_idev+0x102/0x170 [ 117.870443][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 117.870443][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 117.870443][ T74] netlink_rcv_skb+0x130/0x360 [ 117.870443][ T74] netlink_unicast+0x449/0x710 [ 117.870443][ T74] netlink_sendmsg+0x723/0xbe0 [ 117.870443][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 117.870443][ T74] ___sys_sendmsg+0xee/0x170 [ 117.870443][ T74] __sys_sendmsg+0xcd/0x170 [ 117.870443][ T74] do_syscall_64+0xc6/0x1e0 [ 117.870443][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 117.870443][ T74] [ 117.872909][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 117.873342][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 117.873342][ T74] dst_init+0x84/0x4a0 [ 117.873342][ T74] dst_alloc+0x97/0x150 [ 117.873342][ T74] ip6_dst_alloc+0x23/0x90 [ 117.873342][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 117.873342][ T74] ip6_pol_route+0x56f/0x840 [ 117.873342][ T74] fib6_rule_lookup+0x456/0x630 [ 117.873342][ T74] ip6_route_input+0x59c/0xa50 [ 117.873342][ T74] ipv6_rcv+0x397/0x810 [ 117.873342][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 117.873342][ T74] process_backlog+0x101/0x620 [ 117.873342][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 117.873342][ T74] net_rx_action+0x495/0xbe0 [ 117.873342][ T74] __do_softirq+0x1b5/0x7f6 [ 117.873342][ T74] [ 117.875360][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 117.875360][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 117.875360][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 117.875360][ T74] fib6_nh_init+0xa22/0x1580 [ 117.875360][ T74] ip6_route_info_create+0xf18/0x17d0 [ 117.875360][ T74] ip6_route_add+0x1c/0x140 [ 117.875360][ T74] inet6_rtm_newroute+0x104/0x110 [ 117.875360][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 117.875360][ T74] netlink_rcv_skb+0x130/0x360 [ 117.875360][ T74] netlink_unicast+0x449/0x710 [ 117.875360][ T74] netlink_sendmsg+0x723/0xbe0 [ 117.875360][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 117.875360][ T74] ___sys_sendmsg+0xee/0x170 [ 117.875360][ T74] __sys_sendmsg+0xcd/0x170 [ 117.875360][ T74] do_syscall_64+0xc6/0x1e0 [ 117.875360][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 117.875360][ T74] [ 117.877940][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 117.877940][ T74] netdev_get_by_index+0x5e/0x80 [ 117.877940][ T74] fib6_nh_init+0x3d8/0x1580 [ 117.877940][ T74] ip6_route_info_create+0xf18/0x17d0 [ 117.877940][ T74] addrconf_f6i_alloc+0x265/0x560 [ 117.877940][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 117.877940][ T74] addrconf_join_anycast+0x1c0/0x220 [ 117.877940][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 117.877940][ T74] addrconf_dad_completed+0x12b/0xe20 [ 117.877940][ T74] addrconf_dad_begin+0x310/0x670 [ 117.877940][ T74] addrconf_dad_work+0x10b/0xab0 [ 117.877940][ T74] process_one_work+0x84d/0x18a0 [ 117.877940][ T74] worker_thread+0x587/0xd30 [ 117.877940][ T74] kthread+0x28a/0x350 [ 117.877940][ T74] ret_from_fork+0x31/0x70 [ 117.877940][ T74] ret_from_fork_asm+0x1a/0x30 [ 117.877940][ T74] [ 117.881002][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 117.881002][ T74] netdev_get_by_index+0x5e/0x80 [ 117.881002][ T74] fib6_nh_init+0x3d8/0x1580 [ 117.881002][ T74] ip6_route_info_create+0xf18/0x17d0 [ 117.881002][ T74] ip6_route_add+0x1c/0x140 [ 117.881002][ T74] addrconf_prefix_route+0x2a6/0x430 [ 117.881002][ T74] inet6_addr_add+0x4f8/0xa40 [ 117.881002][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 117.881002][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 117.881002][ T74] netlink_rcv_skb+0x130/0x360 [ 117.881002][ T74] netlink_unicast+0x449/0x710 [ 117.881002][ T74] netlink_sendmsg+0x723/0xbe0 [ 117.881002][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 117.881002][ T74] ___sys_sendmsg+0xee/0x170 [ 117.881002][ T74] __sys_sendmsg+0xcd/0x170 [ 117.881002][ T74] do_syscall_64+0xc6/0x1e0 [ 117.881002][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 117.881002][ T74] [ 117.884480][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 117.884480][ T74] netdev_get_by_index+0x5e/0x80 [ 117.884480][ T74] fib6_nh_init+0x3d8/0x1580 [ 117.884480][ T74] ip6_route_info_create+0xf18/0x17d0 [ 117.884480][ T74] addrconf_f6i_alloc+0x315/0x560 [ 117.884480][ T74] ipv6_add_addr+0x411/0x2000 [ 117.884480][ T74] inet6_addr_add+0x30e/0xa40 [ 117.884480][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 117.884480][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 117.884480][ T74] netlink_rcv_skb+0x130/0x360 [ 117.884480][ T74] netlink_unicast+0x449/0x710 [ 117.884480][ T74] netlink_sendmsg+0x723/0xbe0 [ 117.884480][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 117.884480][ T74] ___sys_sendmsg+0xee/0x170 [ 117.884480][ T74] __sys_sendmsg+0xcd/0x170 [ 117.884480][ T74] do_syscall_64+0xc6/0x1e0 [ 117.884480][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 117.884480][ T74] [ 117.887666][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 117.887666][ T74] netdev_get_by_index+0x5e/0x80 [ 117.887666][ T74] fib6_nh_init+0x3d8/0x1580 [ 117.887666][ T74] ip6_route_info_create+0xf18/0x17d0 [ 117.887666][ T74] ip6_route_add+0x1c/0x140 [ 117.887666][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 117.887666][ T74] addrconf_add_dev+0xe2/0x170 [ 117.887666][ T74] inet6_addr_add+0x12f/0xa40 [ 117.887666][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 117.887666][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 117.887666][ T74] netlink_rcv_skb+0x130/0x360 [ 117.887666][ T74] netlink_unicast+0x449/0x710 [ 117.887666][ T74] netlink_sendmsg+0x723/0xbe0 [ 117.887666][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 117.887666][ T74] ___sys_sendmsg+0xee/0x170 [ 117.887666][ T74] __sys_sendmsg+0xcd/0x170 [ 117.887666][ T74] do_syscall_64+0xc6/0x1e0 [ 117.887666][ T74] [ 117.890714][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 117.890714][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 117.890714][ T74] ipv6_find_idev+0x102/0x170 [ 117.890714][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 117.890714][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 117.890714][ T74] netlink_rcv_skb+0x130/0x360 [ 117.890714][ T74] netlink_unicast+0x449/0x710 [ 117.890714][ T74] netlink_sendmsg+0x723/0xbe0 [ 117.890714][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 117.890714][ T74] ___sys_sendmsg+0xee/0x170 [ 117.890714][ T74] __sys_sendmsg+0xcd/0x170 [ 117.890714][ T74] do_syscall_64+0xc6/0x1e0 [ 117.890714][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 117.890714][ T74] [ 117.893012][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 117.893012][ T74] neigh_parms_alloc+0x1e5/0x510 [ 117.893012][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 117.893012][ T74] ipv6_find_idev+0x102/0x170 [ 117.893012][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 117.893012][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 117.893012][ T74] netlink_rcv_skb+0x130/0x360 [ 117.893012][ T74] netlink_unicast+0x449/0x710 [ 117.893012][ T74] netlink_sendmsg+0x723/0xbe0 [ 117.893012][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 117.893012][ T74] ___sys_sendmsg+0xee/0x170 [ 117.893012][ T74] __sys_sendmsg+0xcd/0x170 [ 117.893012][ T74] do_syscall_64+0xc6/0x1e0 [ 117.893012][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 117.893012][ T74] [ 117.896031][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 117.896430][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 117.896430][ T74] netdev_get_by_index+0x5e/0x80 [ 117.896430][ T74] fib6_nh_init+0x3d8/0x1580 [ 117.896430][ T74] ip6_route_info_create+0xf18/0x17d0 [ 117.896430][ T74] ip6_route_add+0x1c/0x140 [ 117.896430][ T74] addrconf_prefix_route+0x2a6/0x430 [ 117.896430][ T74] inet6_addr_add+0x4f8/0xa40 [ 117.896430][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 117.896430][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 117.896430][ T74] netlink_rcv_skb+0x130/0x360 [ 117.896430][ T74] netlink_unicast+0x449/0x710 [ 117.896430][ T74] netlink_sendmsg+0x723/0xbe0 [ 117.896430][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 117.896430][ T74] ___sys_sendmsg+0xee/0x170 [ 117.896430][ T74] __sys_sendmsg+0xcd/0x170 [ 117.896430][ T74] do_syscall_64+0xc6/0x1e0 [ 117.896430][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 117.896430][ T74] [ 117.899714][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 117.899714][ T74] netdev_get_by_index+0x5e/0x80 [ 117.899714][ T74] fib6_nh_init+0x3d8/0x1580 [ 117.899714][ T74] ip6_route_info_create+0xf18/0x17d0 [ 117.899714][ T74] addrconf_f6i_alloc+0x315/0x560 [ 117.899714][ T74] ipv6_add_addr+0x411/0x2000 [ 117.899714][ T74] inet6_addr_add+0x30e/0xa40 [ 117.899714][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 117.899714][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 117.899714][ T74] netlink_rcv_skb+0x130/0x360 [ 117.899714][ T74] netlink_unicast+0x449/0x710 [ 117.899714][ T74] netlink_sendmsg+0x723/0xbe0 [ 117.899714][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 117.899714][ T74] ___sys_sendmsg+0xee/0x170 [ 117.899714][ T74] __sys_sendmsg+0xcd/0x170 [ 117.899714][ T74] do_syscall_64+0xc6/0x1e0 [ 117.899714][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 117.899714][ T74] [ 117.902840][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 117.902840][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 117.902840][ T74] ipv6_find_idev+0x102/0x170 [ 117.902840][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 117.902840][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 117.902840][ T74] netlink_rcv_skb+0x130/0x360 [ 117.902840][ T74] netlink_unicast+0x449/0x710 [ 117.902840][ T74] netlink_sendmsg+0x723/0xbe0 [ 117.902840][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 117.902840][ T74] ___sys_sendmsg+0xee/0x170 [ 117.902840][ T74] __sys_sendmsg+0xcd/0x170 [ 117.902840][ T74] do_syscall_64+0xc6/0x1e0 [ 117.902840][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 117.902840][ T74] [ 117.905323][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 117.905323][ T74] neigh_parms_alloc+0x1e5/0x510 [ 117.905323][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 117.905323][ T74] ipv6_find_idev+0x102/0x170 [ 117.905323][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 117.905323][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 117.905323][ T74] netlink_rcv_skb+0x130/0x360 [ 117.905323][ T74] netlink_unicast+0x449/0x710 [ 117.905323][ T74] netlink_sendmsg+0x723/0xbe0 [ 117.905323][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 117.905323][ T74] ___sys_sendmsg+0xee/0x170 [ 117.905323][ T74] __sys_sendmsg+0xcd/0x170 [ 117.905323][ T74] do_syscall_64+0xc6/0x1e0 [ 117.905323][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 117.905323][ T74] [ 118.635014][ T828] br0: port 1(vx0) entered blocking state [ 118.635311][ T828] br0: port 1(vx0) entered disabled state [ 118.635579][ T828] vx0: entered allmulticast mode [ 118.637534][ T828] vx0: entered promiscuous mode [ 118.640561][ T828] br0: port 1(vx0) entered blocking state [ 118.640815][ T828] br0: port 1(vx0) entered forwarding state [ 124.558713][ T858] br0: port 1(vx0) entered blocking state [ 124.559043][ T858] br0: port 1(vx0) entered disabled state [ 124.559314][ T858] vx0: entered allmulticast mode [ 124.561217][ T858] vx0: entered promiscuous mode [ 124.564098][ T858] br0: port 1(vx0) entered blocking state [ 124.564376][ T858] br0: port 1(vx0) entered forwarding state [ 128.032386][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 128.032790][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 128.032790][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 128.032790][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 128.032790][ T74] fib6_nh_init+0xa22/0x1580 [ 128.032790][ T74] ip6_route_info_create+0xf18/0x17d0 [ 128.032790][ T74] ip6_route_add+0x1c/0x140 [ 128.032790][ T74] inet6_rtm_newroute+0x104/0x110 [ 128.032790][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 128.032790][ T74] netlink_rcv_skb+0x130/0x360 [ 128.032790][ T74] netlink_unicast+0x449/0x710 [ 128.032790][ T74] netlink_sendmsg+0x723/0xbe0 [ 128.032790][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 128.032790][ T74] ___sys_sendmsg+0xee/0x170 [ 128.032790][ T74] __sys_sendmsg+0xcd/0x170 [ 128.032790][ T74] do_syscall_64+0xc6/0x1e0 [ 128.032790][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 128.032790][ T74] [ 128.035773][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 128.035773][ T74] netdev_get_by_index+0x5e/0x80 [ 128.035773][ T74] fib6_nh_init+0x3d8/0x1580 [ 128.035773][ T74] ip6_route_info_create+0xf18/0x17d0 [ 128.035773][ T74] addrconf_f6i_alloc+0x265/0x560 [ 128.035773][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 128.035773][ T74] addrconf_join_anycast+0x1c0/0x220 [ 128.035773][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 128.035773][ T74] addrconf_dad_completed+0x12b/0xe20 [ 128.035773][ T74] addrconf_dad_begin+0x310/0x670 [ 128.035773][ T74] addrconf_dad_work+0x10b/0xab0 [ 128.035773][ T74] process_one_work+0x84d/0x18a0 [ 128.035773][ T74] worker_thread+0x587/0xd30 [ 128.035773][ T74] kthread+0x28a/0x350 [ 128.035773][ T74] ret_from_fork+0x31/0x70 [ 128.035773][ T74] ret_from_fork_asm+0x1a/0x30 [ 128.035773][ T74] [ 128.038829][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 128.038829][ T74] netdev_get_by_index+0x5e/0x80 [ 128.038829][ T74] fib6_nh_init+0x3d8/0x1580 [ 128.038829][ T74] ip6_route_info_create+0xf18/0x17d0 [ 128.038829][ T74] ip6_route_add+0x1c/0x140 [ 128.038829][ T74] addrconf_prefix_route+0x2a6/0x430 [ 128.038829][ T74] inet6_addr_add+0x4f8/0xa40 [ 128.038829][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 128.038829][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 128.038829][ T74] netlink_rcv_skb+0x130/0x360 [ 128.038829][ T74] netlink_unicast+0x449/0x710 [ 128.038829][ T74] netlink_sendmsg+0x723/0xbe0 [ 128.038829][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 128.038829][ T74] ___sys_sendmsg+0xee/0x170 [ 128.038829][ T74] __sys_sendmsg+0xcd/0x170 [ 128.038829][ T74] do_syscall_64+0xc6/0x1e0 [ 128.038829][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 128.038829][ T74] [ 128.041973][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 128.041973][ T74] netdev_get_by_index+0x5e/0x80 [ 128.041973][ T74] fib6_nh_init+0x3d8/0x1580 [ 128.041973][ T74] ip6_route_info_create+0xf18/0x17d0 [ 128.041973][ T74] addrconf_f6i_alloc+0x315/0x560 [ 128.041973][ T74] ipv6_add_addr+0x411/0x2000 [ 128.041973][ T74] inet6_addr_add+0x30e/0xa40 [ 128.041973][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 128.041973][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 128.041973][ T74] netlink_rcv_skb+0x130/0x360 [ 128.041973][ T74] netlink_unicast+0x449/0x710 [ 128.041973][ T74] netlink_sendmsg+0x723/0xbe0 [ 128.041973][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 128.041973][ T74] ___sys_sendmsg+0xee/0x170 [ 128.041973][ T74] __sys_sendmsg+0xcd/0x170 [ 128.041973][ T74] do_syscall_64+0xc6/0x1e0 [ 128.041973][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 128.041973][ T74] [ 128.045152][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 128.045152][ T74] netdev_get_by_index+0x5e/0x80 [ 128.045152][ T74] fib6_nh_init+0x3d8/0x1580 [ 128.045152][ T74] ip6_route_info_create+0xf18/0x17d0 [ 128.045152][ T74] ip6_route_add+0x1c/0x140 [ 128.045152][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 128.045152][ T74] addrconf_add_dev+0xe2/0x170 [ 128.045152][ T74] inet6_addr_add+0x12f/0xa40 [ 128.045152][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 128.045152][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 128.045152][ T74] netlink_rcv_skb+0x130/0x360 [ 128.045152][ T74] netlink_unicast+0x449/0x710 [ 128.045152][ T74] netlink_sendmsg+0x723/0xbe0 [ 128.045152][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 128.045152][ T74] ___sys_sendmsg+0xee/0x170 [ 128.045152][ T74] __sys_sendmsg+0xcd/0x170 [ 128.045152][ T74] do_syscall_64+0xc6/0x1e0 [ 128.045152][ T74] [ 128.048218][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 128.048218][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 128.048218][ T74] ipv6_find_idev+0x102/0x170 [ 128.048218][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 128.048218][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 128.048218][ T74] netlink_rcv_skb+0x130/0x360 [ 128.048218][ T74] netlink_unicast+0x449/0x710 [ 128.048218][ T74] netlink_sendmsg+0x723/0xbe0 [ 128.048218][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 128.048218][ T74] ___sys_sendmsg+0xee/0x170 [ 128.048218][ T74] __sys_sendmsg+0xcd/0x170 [ 128.048218][ T74] do_syscall_64+0xc6/0x1e0 [ 128.048218][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 128.048218][ T74] [ 128.050561][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 128.050561][ T74] neigh_parms_alloc+0x1e5/0x510 [ 128.050561][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 128.050561][ T74] ipv6_find_idev+0x102/0x170 [ 128.050561][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 128.050561][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 128.050561][ T74] netlink_rcv_skb+0x130/0x360 [ 128.050561][ T74] netlink_unicast+0x449/0x710 [ 128.050561][ T74] netlink_sendmsg+0x723/0xbe0 [ 128.050561][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 128.050561][ T74] ___sys_sendmsg+0xee/0x170 [ 128.050561][ T74] __sys_sendmsg+0xcd/0x170 [ 128.050561][ T74] do_syscall_64+0xc6/0x1e0 [ 128.050561][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 128.050561][ T74] [ 128.053114][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 128.053524][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 128.053524][ T74] dst_init+0x84/0x4a0 [ 128.053524][ T74] dst_alloc+0x97/0x150 [ 128.053524][ T74] ip6_dst_alloc+0x23/0x90 [ 128.053524][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 128.053524][ T74] ip6_pol_route+0x56f/0x840 [ 128.053524][ T74] fib6_rule_lookup+0x456/0x630 [ 128.053524][ T74] ip6_route_input+0x59c/0xa50 [ 128.053524][ T74] ipv6_rcv+0x397/0x810 [ 128.053524][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 128.053524][ T74] process_backlog+0x101/0x620 [ 128.053524][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 128.053524][ T74] net_rx_action+0x495/0xbe0 [ 128.053524][ T74] __do_softirq+0x1b5/0x7f6 [ 128.053524][ T74] [ 128.056046][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 128.056046][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 128.056046][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 128.056046][ T74] fib6_nh_init+0xa22/0x1580 [ 128.056046][ T74] ip6_route_info_create+0xf18/0x17d0 [ 128.056046][ T74] ip6_route_add+0x1c/0x140 [ 128.056046][ T74] inet6_rtm_newroute+0x104/0x110 [ 128.056046][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 128.056046][ T74] netlink_rcv_skb+0x130/0x360 [ 128.056046][ T74] netlink_unicast+0x449/0x710 [ 128.056046][ T74] netlink_sendmsg+0x723/0xbe0 [ 128.056046][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 128.056046][ T74] ___sys_sendmsg+0xee/0x170 [ 128.056046][ T74] __sys_sendmsg+0xcd/0x170 [ 128.056046][ T74] do_syscall_64+0xc6/0x1e0 [ 128.056046][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 128.056046][ T74] [ 128.059172][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 128.059172][ T74] netdev_get_by_index+0x5e/0x80 [ 128.059172][ T74] fib6_nh_init+0x3d8/0x1580 [ 128.059172][ T74] ip6_route_info_create+0xf18/0x17d0 [ 128.059172][ T74] addrconf_f6i_alloc+0x265/0x560 [ 128.059172][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 128.059172][ T74] addrconf_join_anycast+0x1c0/0x220 [ 128.059172][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 128.059172][ T74] addrconf_dad_completed+0x12b/0xe20 [ 128.059172][ T74] addrconf_dad_begin+0x310/0x670 [ 128.059172][ T74] addrconf_dad_work+0x10b/0xab0 [ 128.059172][ T74] process_one_work+0x84d/0x18a0 [ 128.059172][ T74] worker_thread+0x587/0xd30 [ 128.059172][ T74] kthread+0x28a/0x350 [ 128.059172][ T74] ret_from_fork+0x31/0x70 [ 128.059172][ T74] ret_from_fork_asm+0x1a/0x30 [ 128.059172][ T74] [ 128.062628][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 128.062628][ T74] netdev_get_by_index+0x5e/0x80 [ 128.062628][ T74] fib6_nh_init+0x3d8/0x1580 [ 128.062628][ T74] ip6_route_info_create+0xf18/0x17d0 [ 128.062628][ T74] ip6_route_add+0x1c/0x140 [ 128.062628][ T74] addrconf_prefix_route+0x2a6/0x430 [ 128.062628][ T74] inet6_addr_add+0x4f8/0xa40 [ 128.062628][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 128.062628][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 128.062628][ T74] netlink_rcv_skb+0x130/0x360 [ 128.062628][ T74] netlink_unicast+0x449/0x710 [ 128.062628][ T74] netlink_sendmsg+0x723/0xbe0 [ 128.062628][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 128.062628][ T74] ___sys_sendmsg+0xee/0x170 [ 128.062628][ T74] __sys_sendmsg+0xcd/0x170 [ 128.062628][ T74] do_syscall_64+0xc6/0x1e0 [ 128.062628][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 128.062628][ T74] [ 128.066165][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 128.066165][ T74] netdev_get_by_index+0x5e/0x80 [ 128.066165][ T74] fib6_nh_init+0x3d8/0x1580 [ 128.066165][ T74] ip6_route_info_create+0xf18/0x17d0 [ 128.066165][ T74] addrconf_f6i_alloc+0x315/0x560 [ 128.066165][ T74] ipv6_add_addr+0x411/0x2000 [ 128.066165][ T74] inet6_addr_add+0x30e/0xa40 [ 128.066165][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 128.066165][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 128.066165][ T74] netlink_rcv_skb+0x130/0x360 [ 128.066165][ T74] netlink_unicast+0x449/0x710 [ 128.066165][ T74] netlink_sendmsg+0x723/0xbe0 [ 128.066165][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 128.066165][ T74] ___sys_sendmsg+0xee/0x170 [ 128.066165][ T74] __sys_sendmsg+0xcd/0x170 [ 128.066165][ T74] do_syscall_64+0xc6/0x1e0 [ 128.066165][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 128.066165][ T74] [ 128.069930][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 128.069930][ T74] netdev_get_by_index+0x5e/0x80 [ 128.069930][ T74] fib6_nh_init+0x3d8/0x1580 [ 128.069930][ T74] ip6_route_info_create+0xf18/0x17d0 [ 128.069930][ T74] ip6_route_add+0x1c/0x140 [ 128.069930][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 128.069930][ T74] addrconf_add_dev+0xe2/0x170 [ 128.069930][ T74] inet6_addr_add+0x12f/0xa40 [ 128.069930][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 128.069930][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 128.069930][ T74] netlink_rcv_skb+0x130/0x360 [ 128.069930][ T74] netlink_unicast+0x449/0x710 [ 128.069930][ T74] netlink_sendmsg+0x723/0xbe0 [ 128.069930][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 128.069930][ T74] ___sys_sendmsg+0xee/0x170 [ 128.069930][ T74] __sys_sendmsg+0xcd/0x170 [ 128.069930][ T74] do_syscall_64+0xc6/0x1e0 [ 128.069930][ T74] [ 128.073459][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 128.073459][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 128.073459][ T74] ipv6_find_idev+0x102/0x170 [ 128.073459][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 128.073459][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 128.073459][ T74] netlink_rcv_skb+0x130/0x360 [ 128.073459][ T74] netlink_unicast+0x449/0x710 [ 128.073459][ T74] netlink_sendmsg+0x723/0xbe0 [ 128.073459][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 128.073459][ T74] ___sys_sendmsg+0xee/0x170 [ 128.073459][ T74] __sys_sendmsg+0xcd/0x170 [ 128.073459][ T74] do_syscall_64+0xc6/0x1e0 [ 128.073459][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 128.073459][ T74] [ 128.076426][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 128.076426][ T74] neigh_parms_alloc+0x1e5/0x510 [ 128.076426][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 128.076426][ T74] ipv6_find_idev+0x102/0x170 [ 128.076426][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 128.076426][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 128.076426][ T74] netlink_rcv_skb+0x130/0x360 [ 128.076426][ T74] netlink_unicast+0x449/0x710 [ 128.076426][ T74] netlink_sendmsg+0x723/0xbe0 [ 128.076426][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 128.076426][ T74] ___sys_sendmsg+0xee/0x170 [ 128.076426][ T74] __sys_sendmsg+0xcd/0x170 [ 128.076426][ T74] do_syscall_64+0xc6/0x1e0 [ 128.076426][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 128.076426][ T74] [ 128.079462][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 128.079853][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 128.079853][ T74] netdev_get_by_index+0x5e/0x80 [ 128.079853][ T74] fib6_nh_init+0x3d8/0x1580 [ 128.079853][ T74] ip6_route_info_create+0xf18/0x17d0 [ 128.079853][ T74] ip6_route_add+0x1c/0x140 [ 128.079853][ T74] addrconf_prefix_route+0x2a6/0x430 [ 128.079853][ T74] inet6_addr_add+0x4f8/0xa40 [ 128.079853][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 128.079853][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 128.079853][ T74] netlink_rcv_skb+0x130/0x360 [ 128.079853][ T74] netlink_unicast+0x449/0x710 [ 128.079853][ T74] netlink_sendmsg+0x723/0xbe0 [ 128.079853][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 128.079853][ T74] ___sys_sendmsg+0xee/0x170 [ 128.079853][ T74] __sys_sendmsg+0xcd/0x170 [ 128.079853][ T74] do_syscall_64+0xc6/0x1e0 [ 128.079853][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 128.079853][ T74] [ 128.083465][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 128.083465][ T74] netdev_get_by_index+0x5e/0x80 [ 128.083465][ T74] fib6_nh_init+0x3d8/0x1580 [ 128.083465][ T74] ip6_route_info_create+0xf18/0x17d0 [ 128.083465][ T74] addrconf_f6i_alloc+0x315/0x560 [ 128.083465][ T74] ipv6_add_addr+0x411/0x2000 [ 128.083465][ T74] inet6_addr_add+0x30e/0xa40 [ 128.083465][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 128.083465][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 128.083465][ T74] netlink_rcv_skb+0x130/0x360 [ 128.083465][ T74] netlink_unicast+0x449/0x710 [ 128.083465][ T74] netlink_sendmsg+0x723/0xbe0 [ 128.083465][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 128.083465][ T74] ___sys_sendmsg+0xee/0x170 [ 128.083465][ T74] __sys_sendmsg+0xcd/0x170 [ 128.083465][ T74] do_syscall_64+0xc6/0x1e0 [ 128.083465][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 128.083465][ T74] [ 128.087042][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 128.087042][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 128.087042][ T74] ipv6_find_idev+0x102/0x170 [ 128.087042][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 128.087042][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 128.087042][ T74] netlink_rcv_skb+0x130/0x360 [ 128.087042][ T74] netlink_unicast+0x449/0x710 [ 128.087042][ T74] netlink_sendmsg+0x723/0xbe0 [ 128.087042][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 128.087042][ T74] ___sys_sendmsg+0xee/0x170 [ 128.087042][ T74] __sys_sendmsg+0xcd/0x170 [ 128.087042][ T74] do_syscall_64+0xc6/0x1e0 [ 128.087042][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 128.087042][ T74] [ 128.089830][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 128.089830][ T74] neigh_parms_alloc+0x1e5/0x510 [ 128.089830][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 128.089830][ T74] ipv6_find_idev+0x102/0x170 [ 128.089830][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 128.089830][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 128.089830][ T74] netlink_rcv_skb+0x130/0x360 [ 128.089830][ T74] netlink_unicast+0x449/0x710 [ 128.089830][ T74] netlink_sendmsg+0x723/0xbe0 [ 128.089830][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 128.089830][ T74] ___sys_sendmsg+0xee/0x170 [ 128.089830][ T74] __sys_sendmsg+0xcd/0x170 [ 128.089830][ T74] do_syscall_64+0xc6/0x1e0 [ 128.089830][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 128.089830][ T74] [ 128.856900][ T889] veth0: renamed from veth1 [ 133.007742][ T916] br0: port 1(vx0) entered blocking state [ 133.007983][ T916] br0: port 1(vx0) entered disabled state [ 133.008170][ T916] vx0: entered allmulticast mode [ 133.009479][ T916] vx0: entered promiscuous mode [ 133.018789][ T916] br0: port 1(vx0) entered blocking state [ 133.019136][ T916] br0: port 1(vx0) entered forwarding state [ 138.264930][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 138.265335][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 138.265335][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 138.265335][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 138.265335][ T74] fib6_nh_init+0xa22/0x1580 [ 138.265335][ T74] ip6_route_info_create+0xf18/0x17d0 [ 138.265335][ T74] ip6_route_add+0x1c/0x140 [ 138.265335][ T74] inet6_rtm_newroute+0x104/0x110 [ 138.265335][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 138.265335][ T74] netlink_rcv_skb+0x130/0x360 [ 138.265335][ T74] netlink_unicast+0x449/0x710 [ 138.265335][ T74] netlink_sendmsg+0x723/0xbe0 [ 138.265335][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 138.265335][ T74] ___sys_sendmsg+0xee/0x170 [ 138.265335][ T74] __sys_sendmsg+0xcd/0x170 [ 138.265335][ T74] do_syscall_64+0xc6/0x1e0 [ 138.265335][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 138.265335][ T74] [ 138.267555][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 138.267555][ T74] netdev_get_by_index+0x5e/0x80 [ 138.267555][ T74] fib6_nh_init+0x3d8/0x1580 [ 138.267555][ T74] ip6_route_info_create+0xf18/0x17d0 [ 138.267555][ T74] addrconf_f6i_alloc+0x265/0x560 [ 138.267555][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 138.267555][ T74] addrconf_join_anycast+0x1c0/0x220 [ 138.267555][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 138.267555][ T74] addrconf_dad_completed+0x12b/0xe20 [ 138.267555][ T74] addrconf_dad_begin+0x310/0x670 [ 138.267555][ T74] addrconf_dad_work+0x10b/0xab0 [ 138.267555][ T74] process_one_work+0x84d/0x18a0 [ 138.267555][ T74] worker_thread+0x587/0xd30 [ 138.267555][ T74] kthread+0x28a/0x350 [ 138.267555][ T74] ret_from_fork+0x31/0x70 [ 138.267555][ T74] ret_from_fork_asm+0x1a/0x30 [ 138.267555][ T74] [ 138.269661][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 138.269661][ T74] netdev_get_by_index+0x5e/0x80 [ 138.269661][ T74] fib6_nh_init+0x3d8/0x1580 [ 138.269661][ T74] ip6_route_info_create+0xf18/0x17d0 [ 138.269661][ T74] ip6_route_add+0x1c/0x140 [ 138.269661][ T74] addrconf_prefix_route+0x2a6/0x430 [ 138.269661][ T74] inet6_addr_add+0x4f8/0xa40 [ 138.269661][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 138.269661][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 138.269661][ T74] netlink_rcv_skb+0x130/0x360 [ 138.269661][ T74] netlink_unicast+0x449/0x710 [ 138.269661][ T74] netlink_sendmsg+0x723/0xbe0 [ 138.269661][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 138.269661][ T74] ___sys_sendmsg+0xee/0x170 [ 138.269661][ T74] __sys_sendmsg+0xcd/0x170 [ 138.269661][ T74] do_syscall_64+0xc6/0x1e0 [ 138.269661][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 138.269661][ T74] [ 138.272055][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 138.272055][ T74] netdev_get_by_index+0x5e/0x80 [ 138.272055][ T74] fib6_nh_init+0x3d8/0x1580 [ 138.272055][ T74] ip6_route_info_create+0xf18/0x17d0 [ 138.272055][ T74] addrconf_f6i_alloc+0x315/0x560 [ 138.272055][ T74] ipv6_add_addr+0x411/0x2000 [ 138.272055][ T74] inet6_addr_add+0x30e/0xa40 [ 138.272055][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 138.272055][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 138.272055][ T74] netlink_rcv_skb+0x130/0x360 [ 138.272055][ T74] netlink_unicast+0x449/0x710 [ 138.272055][ T74] netlink_sendmsg+0x723/0xbe0 [ 138.272055][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 138.272055][ T74] ___sys_sendmsg+0xee/0x170 [ 138.272055][ T74] __sys_sendmsg+0xcd/0x170 [ 138.272055][ T74] do_syscall_64+0xc6/0x1e0 [ 138.272055][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 138.272055][ T74] [ 138.274416][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 138.274416][ T74] netdev_get_by_index+0x5e/0x80 [ 138.274416][ T74] fib6_nh_init+0x3d8/0x1580 [ 138.274416][ T74] ip6_route_info_create+0xf18/0x17d0 [ 138.274416][ T74] ip6_route_add+0x1c/0x140 [ 138.274416][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 138.274416][ T74] addrconf_add_dev+0xe2/0x170 [ 138.274416][ T74] inet6_addr_add+0x12f/0xa40 [ 138.274416][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 138.274416][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 138.274416][ T74] netlink_rcv_skb+0x130/0x360 [ 138.274416][ T74] netlink_unicast+0x449/0x710 [ 138.274416][ T74] netlink_sendmsg+0x723/0xbe0 [ 138.274416][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 138.274416][ T74] ___sys_sendmsg+0xee/0x170 [ 138.274416][ T74] __sys_sendmsg+0xcd/0x170 [ 138.274416][ T74] do_syscall_64+0xc6/0x1e0 [ 138.274416][ T74] [ 138.276794][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 138.276794][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 138.276794][ T74] ipv6_find_idev+0x102/0x170 [ 138.276794][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 138.276794][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 138.276794][ T74] netlink_rcv_skb+0x130/0x360 [ 138.276794][ T74] netlink_unicast+0x449/0x710 [ 138.276794][ T74] netlink_sendmsg+0x723/0xbe0 [ 138.276794][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 138.276794][ T74] ___sys_sendmsg+0xee/0x170 [ 138.276794][ T74] __sys_sendmsg+0xcd/0x170 [ 138.276794][ T74] do_syscall_64+0xc6/0x1e0 [ 138.276794][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 138.276794][ T74] [ 138.278694][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 138.278694][ T74] neigh_parms_alloc+0x1e5/0x510 [ 138.278694][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 138.278694][ T74] ipv6_find_idev+0x102/0x170 [ 138.278694][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 138.278694][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 138.278694][ T74] netlink_rcv_skb+0x130/0x360 [ 138.278694][ T74] netlink_unicast+0x449/0x710 [ 138.278694][ T74] netlink_sendmsg+0x723/0xbe0 [ 138.278694][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 138.278694][ T74] ___sys_sendmsg+0xee/0x170 [ 138.278694][ T74] __sys_sendmsg+0xcd/0x170 [ 138.278694][ T74] do_syscall_64+0xc6/0x1e0 [ 138.278694][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 138.278694][ T74] [ 138.280677][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 138.281039][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 138.281039][ T74] dst_init+0x84/0x4a0 [ 138.281039][ T74] dst_alloc+0x97/0x150 [ 138.281039][ T74] ip6_dst_alloc+0x23/0x90 [ 138.281039][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 138.281039][ T74] ip6_pol_route+0x56f/0x840 [ 138.281039][ T74] fib6_rule_lookup+0x456/0x630 [ 138.281039][ T74] ip6_route_input+0x59c/0xa50 [ 138.281039][ T74] ipv6_rcv+0x397/0x810 [ 138.281039][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 138.281039][ T74] process_backlog+0x101/0x620 [ 138.281039][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 138.281039][ T74] net_rx_action+0x495/0xbe0 [ 138.281039][ T74] __do_softirq+0x1b5/0x7f6 [ 138.281039][ T74] [ 138.282963][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 138.282963][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 138.282963][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 138.282963][ T74] fib6_nh_init+0xa22/0x1580 [ 138.282963][ T74] ip6_route_info_create+0xf18/0x17d0 [ 138.282963][ T74] ip6_route_add+0x1c/0x140 [ 138.282963][ T74] inet6_rtm_newroute+0x104/0x110 [ 138.282963][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 138.282963][ T74] netlink_rcv_skb+0x130/0x360 [ 138.282963][ T74] netlink_unicast+0x449/0x710 [ 138.282963][ T74] netlink_sendmsg+0x723/0xbe0 [ 138.282963][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 138.282963][ T74] ___sys_sendmsg+0xee/0x170 [ 138.282963][ T74] __sys_sendmsg+0xcd/0x170 [ 138.282963][ T74] do_syscall_64+0xc6/0x1e0 [ 138.282963][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 138.282963][ T74] [ 138.285151][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 138.285151][ T74] netdev_get_by_index+0x5e/0x80 [ 138.285151][ T74] fib6_nh_init+0x3d8/0x1580 [ 138.285151][ T74] ip6_route_info_create+0xf18/0x17d0 [ 138.285151][ T74] addrconf_f6i_alloc+0x265/0x560 [ 138.285151][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 138.285151][ T74] addrconf_join_anycast+0x1c0/0x220 [ 138.285151][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 138.285151][ T74] addrconf_dad_completed+0x12b/0xe20 [ 138.285151][ T74] addrconf_dad_begin+0x310/0x670 [ 138.285151][ T74] addrconf_dad_work+0x10b/0xab0 [ 138.285151][ T74] process_one_work+0x84d/0x18a0 [ 138.285151][ T74] worker_thread+0x587/0xd30 [ 138.285151][ T74] kthread+0x28a/0x350 [ 138.285151][ T74] ret_from_fork+0x31/0x70 [ 138.285151][ T74] ret_from_fork_asm+0x1a/0x30 [ 138.285151][ T74] [ 138.287677][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 138.287677][ T74] netdev_get_by_index+0x5e/0x80 [ 138.287677][ T74] fib6_nh_init+0x3d8/0x1580 [ 138.287677][ T74] ip6_route_info_create+0xf18/0x17d0 [ 138.287677][ T74] ip6_route_add+0x1c/0x140 [ 138.287677][ T74] addrconf_prefix_route+0x2a6/0x430 [ 138.287677][ T74] inet6_addr_add+0x4f8/0xa40 [ 138.287677][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 138.287677][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 138.287677][ T74] netlink_rcv_skb+0x130/0x360 [ 138.287677][ T74] netlink_unicast+0x449/0x710 [ 138.287677][ T74] netlink_sendmsg+0x723/0xbe0 [ 138.287677][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 138.287677][ T74] ___sys_sendmsg+0xee/0x170 [ 138.287677][ T74] __sys_sendmsg+0xcd/0x170 [ 138.287677][ T74] do_syscall_64+0xc6/0x1e0 [ 138.287677][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 138.287677][ T74] [ 138.290403][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 138.290403][ T74] netdev_get_by_index+0x5e/0x80 [ 138.290403][ T74] fib6_nh_init+0x3d8/0x1580 [ 138.290403][ T74] ip6_route_info_create+0xf18/0x17d0 [ 138.290403][ T74] addrconf_f6i_alloc+0x315/0x560 [ 138.290403][ T74] ipv6_add_addr+0x411/0x2000 [ 138.290403][ T74] inet6_addr_add+0x30e/0xa40 [ 138.290403][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 138.290403][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 138.290403][ T74] netlink_rcv_skb+0x130/0x360 [ 138.290403][ T74] netlink_unicast+0x449/0x710 [ 138.290403][ T74] netlink_sendmsg+0x723/0xbe0 [ 138.290403][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 138.290403][ T74] ___sys_sendmsg+0xee/0x170 [ 138.290403][ T74] __sys_sendmsg+0xcd/0x170 [ 138.290403][ T74] do_syscall_64+0xc6/0x1e0 [ 138.290403][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 138.290403][ T74] [ 138.292883][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 138.292883][ T74] netdev_get_by_index+0x5e/0x80 [ 138.292883][ T74] fib6_nh_init+0x3d8/0x1580 [ 138.292883][ T74] ip6_route_info_create+0xf18/0x17d0 [ 138.292883][ T74] ip6_route_add+0x1c/0x140 [ 138.292883][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 138.292883][ T74] addrconf_add_dev+0xe2/0x170 [ 138.292883][ T74] inet6_addr_add+0x12f/0xa40 [ 138.292883][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 138.292883][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 138.292883][ T74] netlink_rcv_skb+0x130/0x360 [ 138.292883][ T74] netlink_unicast+0x449/0x710 [ 138.292883][ T74] netlink_sendmsg+0x723/0xbe0 [ 138.292883][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 138.292883][ T74] ___sys_sendmsg+0xee/0x170 [ 138.292883][ T74] __sys_sendmsg+0xcd/0x170 [ 138.292883][ T74] do_syscall_64+0xc6/0x1e0 [ 138.292883][ T74] [ 138.295446][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 138.295446][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 138.295446][ T74] ipv6_find_idev+0x102/0x170 [ 138.295446][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 138.295446][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 138.295446][ T74] netlink_rcv_skb+0x130/0x360 [ 138.295446][ T74] netlink_unicast+0x449/0x710 [ 138.295446][ T74] netlink_sendmsg+0x723/0xbe0 [ 138.295446][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 138.295446][ T74] ___sys_sendmsg+0xee/0x170 [ 138.295446][ T74] __sys_sendmsg+0xcd/0x170 [ 138.295446][ T74] do_syscall_64+0xc6/0x1e0 [ 138.295446][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 138.295446][ T74] [ 138.297476][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 138.297476][ T74] neigh_parms_alloc+0x1e5/0x510 [ 138.297476][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 138.297476][ T74] ipv6_find_idev+0x102/0x170 [ 138.297476][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 138.297476][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 138.297476][ T74] netlink_rcv_skb+0x130/0x360 [ 138.297476][ T74] netlink_unicast+0x449/0x710 [ 138.297476][ T74] netlink_sendmsg+0x723/0xbe0 [ 138.297476][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 138.297476][ T74] ___sys_sendmsg+0xee/0x170 [ 138.297476][ T74] __sys_sendmsg+0xcd/0x170 [ 138.297476][ T74] do_syscall_64+0xc6/0x1e0 [ 138.297476][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 138.297476][ T74] [ 138.299649][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 138.300088][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 138.300088][ T74] netdev_get_by_index+0x5e/0x80 [ 138.300088][ T74] fib6_nh_init+0x3d8/0x1580 [ 138.300088][ T74] ip6_route_info_create+0xf18/0x17d0 [ 138.300088][ T74] ip6_route_add+0x1c/0x140 [ 138.300088][ T74] addrconf_prefix_route+0x2a6/0x430 [ 138.300088][ T74] inet6_addr_add+0x4f8/0xa40 [ 138.300088][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 138.300088][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 138.300088][ T74] netlink_rcv_skb+0x130/0x360 [ 138.300088][ T74] netlink_unicast+0x449/0x710 [ 138.300088][ T74] netlink_sendmsg+0x723/0xbe0 [ 138.300088][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 138.300088][ T74] ___sys_sendmsg+0xee/0x170 [ 138.300088][ T74] __sys_sendmsg+0xcd/0x170 [ 138.300088][ T74] do_syscall_64+0xc6/0x1e0 [ 138.300088][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 138.300088][ T74] [ 138.302519][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 138.302519][ T74] netdev_get_by_index+0x5e/0x80 [ 138.302519][ T74] fib6_nh_init+0x3d8/0x1580 [ 138.302519][ T74] ip6_route_info_create+0xf18/0x17d0 [ 138.302519][ T74] addrconf_f6i_alloc+0x315/0x560 [ 138.302519][ T74] ipv6_add_addr+0x411/0x2000 [ 138.302519][ T74] inet6_addr_add+0x30e/0xa40 [ 138.302519][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 138.302519][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 138.302519][ T74] netlink_rcv_skb+0x130/0x360 [ 138.302519][ T74] netlink_unicast+0x449/0x710 [ 138.302519][ T74] netlink_sendmsg+0x723/0xbe0 [ 138.302519][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 138.302519][ T74] ___sys_sendmsg+0xee/0x170 [ 138.302519][ T74] __sys_sendmsg+0xcd/0x170 [ 138.302519][ T74] do_syscall_64+0xc6/0x1e0 [ 138.302519][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 138.302519][ T74] [ 138.305064][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 138.305064][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 138.305064][ T74] ipv6_find_idev+0x102/0x170 [ 138.305064][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 138.305064][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 138.305064][ T74] netlink_rcv_skb+0x130/0x360 [ 138.305064][ T74] netlink_unicast+0x449/0x710 [ 138.305064][ T74] netlink_sendmsg+0x723/0xbe0 [ 138.305064][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 138.305064][ T74] ___sys_sendmsg+0xee/0x170 [ 138.305064][ T74] __sys_sendmsg+0xcd/0x170 [ 138.305064][ T74] do_syscall_64+0xc6/0x1e0 [ 138.305064][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 138.305064][ T74] [ 138.307067][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 138.307067][ T74] neigh_parms_alloc+0x1e5/0x510 [ 138.307067][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 138.307067][ T74] ipv6_find_idev+0x102/0x170 [ 138.307067][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 138.307067][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 138.307067][ T74] netlink_rcv_skb+0x130/0x360 [ 138.307067][ T74] netlink_unicast+0x449/0x710 [ 138.307067][ T74] netlink_sendmsg+0x723/0xbe0 [ 138.307067][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 138.307067][ T74] ___sys_sendmsg+0xee/0x170 [ 138.307067][ T74] __sys_sendmsg+0xcd/0x170 [ 138.307067][ T74] do_syscall_64+0xc6/0x1e0 [ 138.307067][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 138.307067][ T74] [ 138.748049][ T946] br0: port 1(vx0) entered blocking state [ 138.748345][ T946] br0: port 1(vx0) entered disabled state [ 138.748647][ T946] vx0: entered allmulticast mode [ 138.751237][ T946] vx0: entered promiscuous mode [ 138.754335][ T946] br0: port 1(vx0) entered blocking state [ 138.754616][ T946] br0: port 1(vx0) entered forwarding state [ 148.544207][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 148.544559][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 148.544559][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 148.544559][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 148.544559][ T74] fib6_nh_init+0xa22/0x1580 [ 148.544559][ T74] ip6_route_info_create+0xf18/0x17d0 [ 148.544559][ T74] ip6_route_add+0x1c/0x140 [ 148.544559][ T74] inet6_rtm_newroute+0x104/0x110 [ 148.544559][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 148.544559][ T74] netlink_rcv_skb+0x130/0x360 [ 148.544559][ T74] netlink_unicast+0x449/0x710 [ 148.544559][ T74] netlink_sendmsg+0x723/0xbe0 [ 148.544559][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 148.544559][ T74] ___sys_sendmsg+0xee/0x170 [ 148.544559][ T74] __sys_sendmsg+0xcd/0x170 [ 148.544559][ T74] do_syscall_64+0xc6/0x1e0 [ 148.544559][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 148.544559][ T74] [ 148.546819][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 148.546819][ T74] netdev_get_by_index+0x5e/0x80 [ 148.546819][ T74] fib6_nh_init+0x3d8/0x1580 [ 148.546819][ T74] ip6_route_info_create+0xf18/0x17d0 [ 148.546819][ T74] addrconf_f6i_alloc+0x265/0x560 [ 148.546819][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 148.546819][ T74] addrconf_join_anycast+0x1c0/0x220 [ 148.546819][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 148.546819][ T74] addrconf_dad_completed+0x12b/0xe20 [ 148.546819][ T74] addrconf_dad_begin+0x310/0x670 [ 148.546819][ T74] addrconf_dad_work+0x10b/0xab0 [ 148.546819][ T74] process_one_work+0x84d/0x18a0 [ 148.546819][ T74] worker_thread+0x587/0xd30 [ 148.546819][ T74] kthread+0x28a/0x350 [ 148.546819][ T74] ret_from_fork+0x31/0x70 [ 148.546819][ T74] ret_from_fork_asm+0x1a/0x30 [ 148.546819][ T74] [ 148.549109][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 148.549109][ T74] netdev_get_by_index+0x5e/0x80 [ 148.549109][ T74] fib6_nh_init+0x3d8/0x1580 [ 148.549109][ T74] ip6_route_info_create+0xf18/0x17d0 [ 148.549109][ T74] ip6_route_add+0x1c/0x140 [ 148.549109][ T74] addrconf_prefix_route+0x2a6/0x430 [ 148.549109][ T74] inet6_addr_add+0x4f8/0xa40 [ 148.549109][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 148.549109][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 148.549109][ T74] netlink_rcv_skb+0x130/0x360 [ 148.549109][ T74] netlink_unicast+0x449/0x710 [ 148.549109][ T74] netlink_sendmsg+0x723/0xbe0 [ 148.549109][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 148.549109][ T74] ___sys_sendmsg+0xee/0x170 [ 148.549109][ T74] __sys_sendmsg+0xcd/0x170 [ 148.549109][ T74] do_syscall_64+0xc6/0x1e0 [ 148.549109][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 148.549109][ T74] [ 148.551840][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 148.551840][ T74] netdev_get_by_index+0x5e/0x80 [ 148.551840][ T74] fib6_nh_init+0x3d8/0x1580 [ 148.551840][ T74] ip6_route_info_create+0xf18/0x17d0 [ 148.551840][ T74] addrconf_f6i_alloc+0x315/0x560 [ 148.551840][ T74] ipv6_add_addr+0x411/0x2000 [ 148.551840][ T74] inet6_addr_add+0x30e/0xa40 [ 148.551840][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 148.551840][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 148.551840][ T74] netlink_rcv_skb+0x130/0x360 [ 148.551840][ T74] netlink_unicast+0x449/0x710 [ 148.551840][ T74] netlink_sendmsg+0x723/0xbe0 [ 148.551840][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 148.551840][ T74] ___sys_sendmsg+0xee/0x170 [ 148.551840][ T74] __sys_sendmsg+0xcd/0x170 [ 148.551840][ T74] do_syscall_64+0xc6/0x1e0 [ 148.551840][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 148.551840][ T74] [ 148.554322][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 148.554322][ T74] netdev_get_by_index+0x5e/0x80 [ 148.554322][ T74] fib6_nh_init+0x3d8/0x1580 [ 148.554322][ T74] ip6_route_info_create+0xf18/0x17d0 [ 148.554322][ T74] ip6_route_add+0x1c/0x140 [ 148.554322][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 148.554322][ T74] addrconf_add_dev+0xe2/0x170 [ 148.554322][ T74] inet6_addr_add+0x12f/0xa40 [ 148.554322][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 148.554322][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 148.554322][ T74] netlink_rcv_skb+0x130/0x360 [ 148.554322][ T74] netlink_unicast+0x449/0x710 [ 148.554322][ T74] netlink_sendmsg+0x723/0xbe0 [ 148.554322][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 148.554322][ T74] ___sys_sendmsg+0xee/0x170 [ 148.554322][ T74] __sys_sendmsg+0xcd/0x170 [ 148.554322][ T74] do_syscall_64+0xc6/0x1e0 [ 148.554322][ T74] [ 148.556865][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 148.556865][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 148.556865][ T74] ipv6_find_idev+0x102/0x170 [ 148.556865][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 148.556865][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 148.556865][ T74] netlink_rcv_skb+0x130/0x360 [ 148.556865][ T74] netlink_unicast+0x449/0x710 [ 148.556865][ T74] netlink_sendmsg+0x723/0xbe0 [ 148.556865][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 148.556865][ T74] ___sys_sendmsg+0xee/0x170 [ 148.556865][ T74] __sys_sendmsg+0xcd/0x170 [ 148.556865][ T74] do_syscall_64+0xc6/0x1e0 [ 148.556865][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 148.556865][ T74] [ 148.559073][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 148.559073][ T74] neigh_parms_alloc+0x1e5/0x510 [ 148.559073][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 148.559073][ T74] ipv6_find_idev+0x102/0x170 [ 148.559073][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 148.559073][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 148.559073][ T74] netlink_rcv_skb+0x130/0x360 [ 148.559073][ T74] netlink_unicast+0x449/0x710 [ 148.559073][ T74] netlink_sendmsg+0x723/0xbe0 [ 148.559073][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 148.559073][ T74] ___sys_sendmsg+0xee/0x170 [ 148.559073][ T74] __sys_sendmsg+0xcd/0x170 [ 148.559073][ T74] do_syscall_64+0xc6/0x1e0 [ 148.559073][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 148.559073][ T74] [ 148.561861][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 148.562180][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 148.562180][ T74] dst_init+0x84/0x4a0 [ 148.562180][ T74] dst_alloc+0x97/0x150 [ 148.562180][ T74] ip6_dst_alloc+0x23/0x90 [ 148.562180][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 148.562180][ T74] ip6_pol_route+0x56f/0x840 [ 148.562180][ T74] fib6_rule_lookup+0x456/0x630 [ 148.562180][ T74] ip6_route_input+0x59c/0xa50 [ 148.562180][ T74] ipv6_rcv+0x397/0x810 [ 148.562180][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 148.562180][ T74] process_backlog+0x101/0x620 [ 148.562180][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 148.562180][ T74] net_rx_action+0x495/0xbe0 [ 148.562180][ T74] __do_softirq+0x1b5/0x7f6 [ 148.562180][ T74] [ 148.564090][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 148.564090][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 148.564090][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 148.564090][ T74] fib6_nh_init+0xa22/0x1580 [ 148.564090][ T74] ip6_route_info_create+0xf18/0x17d0 [ 148.564090][ T74] ip6_route_add+0x1c/0x140 [ 148.564090][ T74] inet6_rtm_newroute+0x104/0x110 [ 148.564090][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 148.564090][ T74] netlink_rcv_skb+0x130/0x360 [ 148.564090][ T74] netlink_unicast+0x449/0x710 [ 148.564090][ T74] netlink_sendmsg+0x723/0xbe0 [ 148.564090][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 148.564090][ T74] ___sys_sendmsg+0xee/0x170 [ 148.564090][ T74] __sys_sendmsg+0xcd/0x170 [ 148.564090][ T74] do_syscall_64+0xc6/0x1e0 [ 148.564090][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 148.564090][ T74] [ 148.566376][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 148.566376][ T74] netdev_get_by_index+0x5e/0x80 [ 148.566376][ T74] fib6_nh_init+0x3d8/0x1580 [ 148.566376][ T74] ip6_route_info_create+0xf18/0x17d0 [ 148.566376][ T74] addrconf_f6i_alloc+0x265/0x560 [ 148.566376][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 148.566376][ T74] addrconf_join_anycast+0x1c0/0x220 [ 148.566376][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 148.566376][ T74] addrconf_dad_completed+0x12b/0xe20 [ 148.566376][ T74] addrconf_dad_begin+0x310/0x670 [ 148.566376][ T74] addrconf_dad_work+0x10b/0xab0 [ 148.566376][ T74] process_one_work+0x84d/0x18a0 [ 148.566376][ T74] worker_thread+0x587/0xd30 [ 148.566376][ T74] kthread+0x28a/0x350 [ 148.566376][ T74] ret_from_fork+0x31/0x70 [ 148.566376][ T74] ret_from_fork_asm+0x1a/0x30 [ 148.566376][ T74] [ 148.568985][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 148.568985][ T74] netdev_get_by_index+0x5e/0x80 [ 148.568985][ T74] fib6_nh_init+0x3d8/0x1580 [ 148.568985][ T74] ip6_route_info_create+0xf18/0x17d0 [ 148.568985][ T74] ip6_route_add+0x1c/0x140 [ 148.568985][ T74] addrconf_prefix_route+0x2a6/0x430 [ 148.568985][ T74] inet6_addr_add+0x4f8/0xa40 [ 148.568985][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 148.568985][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 148.568985][ T74] netlink_rcv_skb+0x130/0x360 [ 148.568985][ T74] netlink_unicast+0x449/0x710 [ 148.568985][ T74] netlink_sendmsg+0x723/0xbe0 [ 148.568985][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 148.568985][ T74] ___sys_sendmsg+0xee/0x170 [ 148.568985][ T74] __sys_sendmsg+0xcd/0x170 [ 148.568985][ T74] do_syscall_64+0xc6/0x1e0 [ 148.568985][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 148.568985][ T74] [ 148.571511][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 148.571511][ T74] netdev_get_by_index+0x5e/0x80 [ 148.571511][ T74] fib6_nh_init+0x3d8/0x1580 [ 148.571511][ T74] ip6_route_info_create+0xf18/0x17d0 [ 148.571511][ T74] addrconf_f6i_alloc+0x315/0x560 [ 148.571511][ T74] ipv6_add_addr+0x411/0x2000 [ 148.571511][ T74] inet6_addr_add+0x30e/0xa40 [ 148.571511][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 148.571511][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 148.571511][ T74] netlink_rcv_skb+0x130/0x360 [ 148.571511][ T74] netlink_unicast+0x449/0x710 [ 148.571511][ T74] netlink_sendmsg+0x723/0xbe0 [ 148.571511][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 148.571511][ T74] ___sys_sendmsg+0xee/0x170 [ 148.571511][ T74] __sys_sendmsg+0xcd/0x170 [ 148.571511][ T74] do_syscall_64+0xc6/0x1e0 [ 148.571511][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 148.571511][ T74] [ 148.573961][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 148.573961][ T74] netdev_get_by_index+0x5e/0x80 [ 148.573961][ T74] fib6_nh_init+0x3d8/0x1580 [ 148.573961][ T74] ip6_route_info_create+0xf18/0x17d0 [ 148.573961][ T74] ip6_route_add+0x1c/0x140 [ 148.573961][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 148.573961][ T74] addrconf_add_dev+0xe2/0x170 [ 148.573961][ T74] inet6_addr_add+0x12f/0xa40 [ 148.573961][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 148.573961][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 148.573961][ T74] netlink_rcv_skb+0x130/0x360 [ 148.573961][ T74] netlink_unicast+0x449/0x710 [ 148.573961][ T74] netlink_sendmsg+0x723/0xbe0 [ 148.573961][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 148.573961][ T74] ___sys_sendmsg+0xee/0x170 [ 148.573961][ T74] __sys_sendmsg+0xcd/0x170 [ 148.573961][ T74] do_syscall_64+0xc6/0x1e0 [ 148.573961][ T74] [ 148.576616][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 148.576616][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 148.576616][ T74] ipv6_find_idev+0x102/0x170 [ 148.576616][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 148.576616][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 148.576616][ T74] netlink_rcv_skb+0x130/0x360 [ 148.576616][ T74] netlink_unicast+0x449/0x710 [ 148.576616][ T74] netlink_sendmsg+0x723/0xbe0 [ 148.576616][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 148.576616][ T74] ___sys_sendmsg+0xee/0x170 [ 148.576616][ T74] __sys_sendmsg+0xcd/0x170 [ 148.576616][ T74] do_syscall_64+0xc6/0x1e0 [ 148.576616][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 148.576616][ T74] [ 148.578884][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 148.578884][ T74] neigh_parms_alloc+0x1e5/0x510 [ 148.578884][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 148.578884][ T74] ipv6_find_idev+0x102/0x170 [ 148.578884][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 148.578884][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 148.578884][ T74] netlink_rcv_skb+0x130/0x360 [ 148.578884][ T74] netlink_unicast+0x449/0x710 [ 148.578884][ T74] netlink_sendmsg+0x723/0xbe0 [ 148.578884][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 148.578884][ T74] ___sys_sendmsg+0xee/0x170 [ 148.578884][ T74] __sys_sendmsg+0xcd/0x170 [ 148.578884][ T74] do_syscall_64+0xc6/0x1e0 [ 148.578884][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 148.578884][ T74] [ 148.581472][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 148.581774][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 148.581774][ T74] netdev_get_by_index+0x5e/0x80 [ 148.581774][ T74] fib6_nh_init+0x3d8/0x1580 [ 148.581774][ T74] ip6_route_info_create+0xf18/0x17d0 [ 148.581774][ T74] ip6_route_add+0x1c/0x140 [ 148.581774][ T74] addrconf_prefix_route+0x2a6/0x430 [ 148.581774][ T74] inet6_addr_add+0x4f8/0xa40 [ 148.581774][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 148.581774][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 148.581774][ T74] netlink_rcv_skb+0x130/0x360 [ 148.581774][ T74] netlink_unicast+0x449/0x710 [ 148.581774][ T74] netlink_sendmsg+0x723/0xbe0 [ 148.581774][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 148.581774][ T74] ___sys_sendmsg+0xee/0x170 [ 148.581774][ T74] __sys_sendmsg+0xcd/0x170 [ 148.581774][ T74] do_syscall_64+0xc6/0x1e0 [ 148.581774][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 148.581774][ T74] [ 148.584461][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 148.584461][ T74] netdev_get_by_index+0x5e/0x80 [ 148.584461][ T74] fib6_nh_init+0x3d8/0x1580 [ 148.584461][ T74] ip6_route_info_create+0xf18/0x17d0 [ 148.584461][ T74] addrconf_f6i_alloc+0x315/0x560 [ 148.584461][ T74] ipv6_add_addr+0x411/0x2000 [ 148.584461][ T74] inet6_addr_add+0x30e/0xa40 [ 148.584461][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 148.584461][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 148.584461][ T74] netlink_rcv_skb+0x130/0x360 [ 148.584461][ T74] netlink_unicast+0x449/0x710 [ 148.584461][ T74] netlink_sendmsg+0x723/0xbe0 [ 148.584461][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 148.584461][ T74] ___sys_sendmsg+0xee/0x170 [ 148.584461][ T74] __sys_sendmsg+0xcd/0x170 [ 148.584461][ T74] do_syscall_64+0xc6/0x1e0 [ 148.584461][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 148.584461][ T74] [ 148.587128][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 148.587128][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 148.587128][ T74] ipv6_find_idev+0x102/0x170 [ 148.587128][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 148.587128][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 148.587128][ T74] netlink_rcv_skb+0x130/0x360 [ 148.587128][ T74] netlink_unicast+0x449/0x710 [ 148.587128][ T74] netlink_sendmsg+0x723/0xbe0 [ 148.587128][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 148.587128][ T74] ___sys_sendmsg+0xee/0x170 [ 148.587128][ T74] __sys_sendmsg+0xcd/0x170 [ 148.587128][ T74] do_syscall_64+0xc6/0x1e0 [ 148.587128][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 148.587128][ T74] [ 148.589259][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 148.589259][ T74] neigh_parms_alloc+0x1e5/0x510 [ 148.589259][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 148.589259][ T74] ipv6_find_idev+0x102/0x170 [ 148.589259][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 148.589259][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 148.589259][ T74] netlink_rcv_skb+0x130/0x360 [ 148.589259][ T74] netlink_unicast+0x449/0x710 [ 148.589259][ T74] netlink_sendmsg+0x723/0xbe0 [ 148.589259][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 148.589259][ T74] ___sys_sendmsg+0xee/0x170 [ 148.589259][ T74] __sys_sendmsg+0xcd/0x170 [ 148.589259][ T74] do_syscall_64+0xc6/0x1e0 [ 148.589259][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 148.589259][ T74] [ 156.479582][ T1076] veth0: renamed from veth1 [ 158.719870][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 158.720234][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 158.720234][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 158.720234][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 158.720234][ T74] fib6_nh_init+0xa22/0x1580 [ 158.720234][ T74] ip6_route_info_create+0xf18/0x17d0 [ 158.720234][ T74] ip6_route_add+0x1c/0x140 [ 158.720234][ T74] inet6_rtm_newroute+0x104/0x110 [ 158.720234][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 158.720234][ T74] netlink_rcv_skb+0x130/0x360 [ 158.720234][ T74] netlink_unicast+0x449/0x710 [ 158.720234][ T74] netlink_sendmsg+0x723/0xbe0 [ 158.720234][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 158.720234][ T74] ___sys_sendmsg+0xee/0x170 [ 158.720234][ T74] __sys_sendmsg+0xcd/0x170 [ 158.720234][ T74] do_syscall_64+0xc6/0x1e0 [ 158.720234][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 158.720234][ T74] [ 158.722476][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 158.722476][ T74] netdev_get_by_index+0x5e/0x80 [ 158.722476][ T74] fib6_nh_init+0x3d8/0x1580 [ 158.722476][ T74] ip6_route_info_create+0xf18/0x17d0 [ 158.722476][ T74] addrconf_f6i_alloc+0x265/0x560 [ 158.722476][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 158.722476][ T74] addrconf_join_anycast+0x1c0/0x220 [ 158.722476][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 158.722476][ T74] addrconf_dad_completed+0x12b/0xe20 [ 158.722476][ T74] addrconf_dad_begin+0x310/0x670 [ 158.722476][ T74] addrconf_dad_work+0x10b/0xab0 [ 158.722476][ T74] process_one_work+0x84d/0x18a0 [ 158.722476][ T74] worker_thread+0x587/0xd30 [ 158.722476][ T74] kthread+0x28a/0x350 [ 158.722476][ T74] ret_from_fork+0x31/0x70 [ 158.722476][ T74] ret_from_fork_asm+0x1a/0x30 [ 158.722476][ T74] [ 158.724736][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 158.724736][ T74] netdev_get_by_index+0x5e/0x80 [ 158.724736][ T74] fib6_nh_init+0x3d8/0x1580 [ 158.724736][ T74] ip6_route_info_create+0xf18/0x17d0 [ 158.724736][ T74] ip6_route_add+0x1c/0x140 [ 158.724736][ T74] addrconf_prefix_route+0x2a6/0x430 [ 158.724736][ T74] inet6_addr_add+0x4f8/0xa40 [ 158.724736][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 158.724736][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 158.724736][ T74] netlink_rcv_skb+0x130/0x360 [ 158.724736][ T74] netlink_unicast+0x449/0x710 [ 158.724736][ T74] netlink_sendmsg+0x723/0xbe0 [ 158.724736][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 158.724736][ T74] ___sys_sendmsg+0xee/0x170 [ 158.724736][ T74] __sys_sendmsg+0xcd/0x170 [ 158.724736][ T74] do_syscall_64+0xc6/0x1e0 [ 158.724736][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 158.724736][ T74] [ 158.727071][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 158.727071][ T74] netdev_get_by_index+0x5e/0x80 [ 158.727071][ T74] fib6_nh_init+0x3d8/0x1580 [ 158.727071][ T74] ip6_route_info_create+0xf18/0x17d0 [ 158.727071][ T74] addrconf_f6i_alloc+0x315/0x560 [ 158.727071][ T74] ipv6_add_addr+0x411/0x2000 [ 158.727071][ T74] inet6_addr_add+0x30e/0xa40 [ 158.727071][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 158.727071][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 158.727071][ T74] netlink_rcv_skb+0x130/0x360 [ 158.727071][ T74] netlink_unicast+0x449/0x710 [ 158.727071][ T74] netlink_sendmsg+0x723/0xbe0 [ 158.727071][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 158.727071][ T74] ___sys_sendmsg+0xee/0x170 [ 158.727071][ T74] __sys_sendmsg+0xcd/0x170 [ 158.727071][ T74] do_syscall_64+0xc6/0x1e0 [ 158.727071][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 158.727071][ T74] [ 158.729187][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 158.729187][ T74] netdev_get_by_index+0x5e/0x80 [ 158.729187][ T74] fib6_nh_init+0x3d8/0x1580 [ 158.729187][ T74] ip6_route_info_create+0xf18/0x17d0 [ 158.729187][ T74] ip6_route_add+0x1c/0x140 [ 158.729187][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 158.729187][ T74] addrconf_add_dev+0xe2/0x170 [ 158.729187][ T74] inet6_addr_add+0x12f/0xa40 [ 158.729187][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 158.729187][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 158.729187][ T74] netlink_rcv_skb+0x130/0x360 [ 158.729187][ T74] netlink_unicast+0x449/0x710 [ 158.729187][ T74] netlink_sendmsg+0x723/0xbe0 [ 158.729187][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 158.729187][ T74] ___sys_sendmsg+0xee/0x170 [ 158.729187][ T74] __sys_sendmsg+0xcd/0x170 [ 158.729187][ T74] do_syscall_64+0xc6/0x1e0 [ 158.729187][ T74] [ 158.731242][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 158.731242][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 158.731242][ T74] ipv6_find_idev+0x102/0x170 [ 158.731242][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 158.731242][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 158.731242][ T74] netlink_rcv_skb+0x130/0x360 [ 158.731242][ T74] netlink_unicast+0x449/0x710 [ 158.731242][ T74] netlink_sendmsg+0x723/0xbe0 [ 158.731242][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 158.731242][ T74] ___sys_sendmsg+0xee/0x170 [ 158.731242][ T74] __sys_sendmsg+0xcd/0x170 [ 158.731242][ T74] do_syscall_64+0xc6/0x1e0 [ 158.731242][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 158.731242][ T74] [ 158.732852][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 158.732852][ T74] neigh_parms_alloc+0x1e5/0x510 [ 158.732852][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 158.732852][ T74] ipv6_find_idev+0x102/0x170 [ 158.732852][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 158.732852][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 158.732852][ T74] netlink_rcv_skb+0x130/0x360 [ 158.732852][ T74] netlink_unicast+0x449/0x710 [ 158.732852][ T74] netlink_sendmsg+0x723/0xbe0 [ 158.732852][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 158.732852][ T74] ___sys_sendmsg+0xee/0x170 [ 158.732852][ T74] __sys_sendmsg+0xcd/0x170 [ 158.732852][ T74] do_syscall_64+0xc6/0x1e0 [ 158.732852][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 158.732852][ T74] [ 158.734654][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 158.735055][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 158.735055][ T74] dst_init+0x84/0x4a0 [ 158.735055][ T74] dst_alloc+0x97/0x150 [ 158.735055][ T74] ip6_dst_alloc+0x23/0x90 [ 158.735055][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 158.735055][ T74] ip6_pol_route+0x56f/0x840 [ 158.735055][ T74] fib6_rule_lookup+0x456/0x630 [ 158.735055][ T74] ip6_route_input+0x59c/0xa50 [ 158.735055][ T74] ipv6_rcv+0x397/0x810 [ 158.735055][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 158.735055][ T74] process_backlog+0x101/0x620 [ 158.735055][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 158.735055][ T74] net_rx_action+0x495/0xbe0 [ 158.735055][ T74] __do_softirq+0x1b5/0x7f6 [ 158.735055][ T74] [ 158.736844][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 158.736844][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 158.736844][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 158.736844][ T74] fib6_nh_init+0xa22/0x1580 [ 158.736844][ T74] ip6_route_info_create+0xf18/0x17d0 [ 158.736844][ T74] ip6_route_add+0x1c/0x140 [ 158.736844][ T74] inet6_rtm_newroute+0x104/0x110 [ 158.736844][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 158.736844][ T74] netlink_rcv_skb+0x130/0x360 [ 158.736844][ T74] netlink_unicast+0x449/0x710 [ 158.736844][ T74] netlink_sendmsg+0x723/0xbe0 [ 158.736844][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 158.736844][ T74] ___sys_sendmsg+0xee/0x170 [ 158.736844][ T74] __sys_sendmsg+0xcd/0x170 [ 158.736844][ T74] do_syscall_64+0xc6/0x1e0 [ 158.736844][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 158.736844][ T74] [ 158.739151][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 158.739151][ T74] netdev_get_by_index+0x5e/0x80 [ 158.739151][ T74] fib6_nh_init+0x3d8/0x1580 [ 158.739151][ T74] ip6_route_info_create+0xf18/0x17d0 [ 158.739151][ T74] addrconf_f6i_alloc+0x265/0x560 [ 158.739151][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 158.739151][ T74] addrconf_join_anycast+0x1c0/0x220 [ 158.739151][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 158.739151][ T74] addrconf_dad_completed+0x12b/0xe20 [ 158.739151][ T74] addrconf_dad_begin+0x310/0x670 [ 158.739151][ T74] addrconf_dad_work+0x10b/0xab0 [ 158.739151][ T74] process_one_work+0x84d/0x18a0 [ 158.739151][ T74] worker_thread+0x587/0xd30 [ 158.739151][ T74] kthread+0x28a/0x350 [ 158.739151][ T74] ret_from_fork+0x31/0x70 [ 158.739151][ T74] ret_from_fork_asm+0x1a/0x30 [ 158.739151][ T74] [ 158.741417][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 158.741417][ T74] netdev_get_by_index+0x5e/0x80 [ 158.741417][ T74] fib6_nh_init+0x3d8/0x1580 [ 158.741417][ T74] ip6_route_info_create+0xf18/0x17d0 [ 158.741417][ T74] ip6_route_add+0x1c/0x140 [ 158.741417][ T74] addrconf_prefix_route+0x2a6/0x430 [ 158.741417][ T74] inet6_addr_add+0x4f8/0xa40 [ 158.741417][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 158.741417][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 158.741417][ T74] netlink_rcv_skb+0x130/0x360 [ 158.741417][ T74] netlink_unicast+0x449/0x710 [ 158.741417][ T74] netlink_sendmsg+0x723/0xbe0 [ 158.741417][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 158.741417][ T74] ___sys_sendmsg+0xee/0x170 [ 158.741417][ T74] __sys_sendmsg+0xcd/0x170 [ 158.741417][ T74] do_syscall_64+0xc6/0x1e0 [ 158.741417][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 158.741417][ T74] [ 158.743613][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 158.743613][ T74] netdev_get_by_index+0x5e/0x80 [ 158.743613][ T74] fib6_nh_init+0x3d8/0x1580 [ 158.743613][ T74] ip6_route_info_create+0xf18/0x17d0 [ 158.743613][ T74] addrconf_f6i_alloc+0x315/0x560 [ 158.743613][ T74] ipv6_add_addr+0x411/0x2000 [ 158.743613][ T74] inet6_addr_add+0x30e/0xa40 [ 158.743613][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 158.743613][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 158.743613][ T74] netlink_rcv_skb+0x130/0x360 [ 158.743613][ T74] netlink_unicast+0x449/0x710 [ 158.743613][ T74] netlink_sendmsg+0x723/0xbe0 [ 158.743613][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 158.743613][ T74] ___sys_sendmsg+0xee/0x170 [ 158.743613][ T74] __sys_sendmsg+0xcd/0x170 [ 158.743613][ T74] do_syscall_64+0xc6/0x1e0 [ 158.743613][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 158.743613][ T74] [ 158.745900][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 158.745900][ T74] netdev_get_by_index+0x5e/0x80 [ 158.745900][ T74] fib6_nh_init+0x3d8/0x1580 [ 158.745900][ T74] ip6_route_info_create+0xf18/0x17d0 [ 158.745900][ T74] ip6_route_add+0x1c/0x140 [ 158.745900][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 158.745900][ T74] addrconf_add_dev+0xe2/0x170 [ 158.745900][ T74] inet6_addr_add+0x12f/0xa40 [ 158.745900][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 158.745900][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 158.745900][ T74] netlink_rcv_skb+0x130/0x360 [ 158.745900][ T74] netlink_unicast+0x449/0x710 [ 158.745900][ T74] netlink_sendmsg+0x723/0xbe0 [ 158.745900][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 158.745900][ T74] ___sys_sendmsg+0xee/0x170 [ 158.745900][ T74] __sys_sendmsg+0xcd/0x170 [ 158.745900][ T74] do_syscall_64+0xc6/0x1e0 [ 158.745900][ T74] [ 158.747988][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 158.747988][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 158.747988][ T74] ipv6_find_idev+0x102/0x170 [ 158.747988][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 158.747988][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 158.747988][ T74] netlink_rcv_skb+0x130/0x360 [ 158.747988][ T74] netlink_unicast+0x449/0x710 [ 158.747988][ T74] netlink_sendmsg+0x723/0xbe0 [ 158.747988][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 158.747988][ T74] ___sys_sendmsg+0xee/0x170 [ 158.747988][ T74] __sys_sendmsg+0xcd/0x170 [ 158.747988][ T74] do_syscall_64+0xc6/0x1e0 [ 158.747988][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 158.747988][ T74] [ 158.749646][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 158.749646][ T74] neigh_parms_alloc+0x1e5/0x510 [ 158.749646][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 158.749646][ T74] ipv6_find_idev+0x102/0x170 [ 158.749646][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 158.749646][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 158.749646][ T74] netlink_rcv_skb+0x130/0x360 [ 158.749646][ T74] netlink_unicast+0x449/0x710 [ 158.749646][ T74] netlink_sendmsg+0x723/0xbe0 [ 158.749646][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 158.749646][ T74] ___sys_sendmsg+0xee/0x170 [ 158.749646][ T74] __sys_sendmsg+0xcd/0x170 [ 158.749646][ T74] do_syscall_64+0xc6/0x1e0 [ 158.749646][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 158.749646][ T74] [ 158.751495][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 158.751747][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 158.751747][ T74] netdev_get_by_index+0x5e/0x80 [ 158.751747][ T74] fib6_nh_init+0x3d8/0x1580 [ 158.751747][ T74] ip6_route_info_create+0xf18/0x17d0 [ 158.751747][ T74] ip6_route_add+0x1c/0x140 [ 158.751747][ T74] addrconf_prefix_route+0x2a6/0x430 [ 158.751747][ T74] inet6_addr_add+0x4f8/0xa40 [ 158.751747][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 158.751747][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 158.751747][ T74] netlink_rcv_skb+0x130/0x360 [ 158.751747][ T74] netlink_unicast+0x449/0x710 [ 158.751747][ T74] netlink_sendmsg+0x723/0xbe0 [ 158.751747][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 158.751747][ T74] ___sys_sendmsg+0xee/0x170 [ 158.751747][ T74] __sys_sendmsg+0xcd/0x170 [ 158.751747][ T74] do_syscall_64+0xc6/0x1e0 [ 158.751747][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 158.751747][ T74] [ 158.754030][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 158.754030][ T74] netdev_get_by_index+0x5e/0x80 [ 158.754030][ T74] fib6_nh_init+0x3d8/0x1580 [ 158.754030][ T74] ip6_route_info_create+0xf18/0x17d0 [ 158.754030][ T74] addrconf_f6i_alloc+0x315/0x560 [ 158.754030][ T74] ipv6_add_addr+0x411/0x2000 [ 158.754030][ T74] inet6_addr_add+0x30e/0xa40 [ 158.754030][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 158.754030][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 158.754030][ T74] netlink_rcv_skb+0x130/0x360 [ 158.754030][ T74] netlink_unicast+0x449/0x710 [ 158.754030][ T74] netlink_sendmsg+0x723/0xbe0 [ 158.754030][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 158.754030][ T74] ___sys_sendmsg+0xee/0x170 [ 158.754030][ T74] __sys_sendmsg+0xcd/0x170 [ 158.754030][ T74] do_syscall_64+0xc6/0x1e0 [ 158.754030][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 158.754030][ T74] [ 158.756148][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 158.756148][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 158.756148][ T74] ipv6_find_idev+0x102/0x170 [ 158.756148][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 158.756148][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 158.756148][ T74] netlink_rcv_skb+0x130/0x360 [ 158.756148][ T74] netlink_unicast+0x449/0x710 [ 158.756148][ T74] netlink_sendmsg+0x723/0xbe0 [ 158.756148][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 158.756148][ T74] ___sys_sendmsg+0xee/0x170 [ 158.756148][ T74] __sys_sendmsg+0xcd/0x170 [ 158.756148][ T74] do_syscall_64+0xc6/0x1e0 [ 158.756148][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 158.756148][ T74] [ 158.757983][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 158.757983][ T74] neigh_parms_alloc+0x1e5/0x510 [ 158.757983][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 158.757983][ T74] ipv6_find_idev+0x102/0x170 [ 158.757983][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 158.757983][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 158.757983][ T74] netlink_rcv_skb+0x130/0x360 [ 158.757983][ T74] netlink_unicast+0x449/0x710 [ 158.757983][ T74] netlink_sendmsg+0x723/0xbe0 [ 158.757983][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 158.757983][ T74] ___sys_sendmsg+0xee/0x170 [ 158.757983][ T74] __sys_sendmsg+0xcd/0x170 [ 158.757983][ T74] do_syscall_64+0xc6/0x1e0 [ 158.757983][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 158.757983][ T74] [ 160.733988][ T1103] br0: port 1(vx0) entered blocking state [ 160.734196][ T1103] br0: port 1(vx0) entered disabled state [ 160.734402][ T1103] vx0: entered allmulticast mode [ 160.737064][ T1103] vx0: entered promiscuous mode [ 160.744279][ T1103] br0: port 1(vx0) entered blocking state [ 160.744503][ T1103] br0: port 1(vx0) entered forwarding state [ 166.322061][ T1133] br0: port 1(vx0) entered blocking state [ 166.322274][ T1133] br0: port 1(vx0) entered disabled state [ 166.322474][ T1133] vx0: entered allmulticast mode [ 166.323682][ T1133] vx0: entered promiscuous mode [ 166.326762][ T1133] br0: port 1(vx0) entered blocking state [ 166.327090][ T1133] br0: port 1(vx0) entered forwarding state [ 168.903880][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 168.904208][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 168.904208][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 168.904208][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 168.904208][ T74] fib6_nh_init+0xa22/0x1580 [ 168.904208][ T74] ip6_route_info_create+0xf18/0x17d0 [ 168.904208][ T74] ip6_route_add+0x1c/0x140 [ 168.904208][ T74] inet6_rtm_newroute+0x104/0x110 [ 168.904208][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 168.904208][ T74] netlink_rcv_skb+0x130/0x360 [ 168.904208][ T74] netlink_unicast+0x449/0x710 [ 168.904208][ T74] netlink_sendmsg+0x723/0xbe0 [ 168.904208][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 168.904208][ T74] ___sys_sendmsg+0xee/0x170 [ 168.904208][ T74] __sys_sendmsg+0xcd/0x170 [ 168.904208][ T74] do_syscall_64+0xc6/0x1e0 [ 168.904208][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 168.904208][ T74] [ 168.906326][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 168.906326][ T74] netdev_get_by_index+0x5e/0x80 [ 168.906326][ T74] fib6_nh_init+0x3d8/0x1580 [ 168.906326][ T74] ip6_route_info_create+0xf18/0x17d0 [ 168.906326][ T74] addrconf_f6i_alloc+0x265/0x560 [ 168.906326][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 168.906326][ T74] addrconf_join_anycast+0x1c0/0x220 [ 168.906326][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 168.906326][ T74] addrconf_dad_completed+0x12b/0xe20 [ 168.906326][ T74] addrconf_dad_begin+0x310/0x670 [ 168.906326][ T74] addrconf_dad_work+0x10b/0xab0 [ 168.906326][ T74] process_one_work+0x84d/0x18a0 [ 168.906326][ T74] worker_thread+0x587/0xd30 [ 168.906326][ T74] kthread+0x28a/0x350 [ 168.906326][ T74] ret_from_fork+0x31/0x70 [ 168.906326][ T74] ret_from_fork_asm+0x1a/0x30 [ 168.906326][ T74] [ 168.908386][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 168.908386][ T74] netdev_get_by_index+0x5e/0x80 [ 168.908386][ T74] fib6_nh_init+0x3d8/0x1580 [ 168.908386][ T74] ip6_route_info_create+0xf18/0x17d0 [ 168.908386][ T74] ip6_route_add+0x1c/0x140 [ 168.908386][ T74] addrconf_prefix_route+0x2a6/0x430 [ 168.908386][ T74] inet6_addr_add+0x4f8/0xa40 [ 168.908386][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 168.908386][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 168.908386][ T74] netlink_rcv_skb+0x130/0x360 [ 168.908386][ T74] netlink_unicast+0x449/0x710 [ 168.908386][ T74] netlink_sendmsg+0x723/0xbe0 [ 168.908386][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 168.908386][ T74] ___sys_sendmsg+0xee/0x170 [ 168.908386][ T74] __sys_sendmsg+0xcd/0x170 [ 168.908386][ T74] do_syscall_64+0xc6/0x1e0 [ 168.908386][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 168.908386][ T74] [ 168.910997][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 168.910997][ T74] netdev_get_by_index+0x5e/0x80 [ 168.910997][ T74] fib6_nh_init+0x3d8/0x1580 [ 168.910997][ T74] ip6_route_info_create+0xf18/0x17d0 [ 168.910997][ T74] addrconf_f6i_alloc+0x315/0x560 [ 168.910997][ T74] ipv6_add_addr+0x411/0x2000 [ 168.910997][ T74] inet6_addr_add+0x30e/0xa40 [ 168.910997][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 168.910997][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 168.910997][ T74] netlink_rcv_skb+0x130/0x360 [ 168.910997][ T74] netlink_unicast+0x449/0x710 [ 168.910997][ T74] netlink_sendmsg+0x723/0xbe0 [ 168.910997][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 168.910997][ T74] ___sys_sendmsg+0xee/0x170 [ 168.910997][ T74] __sys_sendmsg+0xcd/0x170 [ 168.910997][ T74] do_syscall_64+0xc6/0x1e0 [ 168.910997][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 168.910997][ T74] [ 168.913626][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 168.913626][ T74] netdev_get_by_index+0x5e/0x80 [ 168.913626][ T74] fib6_nh_init+0x3d8/0x1580 [ 168.913626][ T74] ip6_route_info_create+0xf18/0x17d0 [ 168.913626][ T74] ip6_route_add+0x1c/0x140 [ 168.913626][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 168.913626][ T74] addrconf_add_dev+0xe2/0x170 [ 168.913626][ T74] inet6_addr_add+0x12f/0xa40 [ 168.913626][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 168.913626][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 168.913626][ T74] netlink_rcv_skb+0x130/0x360 [ 168.913626][ T74] netlink_unicast+0x449/0x710 [ 168.913626][ T74] netlink_sendmsg+0x723/0xbe0 [ 168.913626][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 168.913626][ T74] ___sys_sendmsg+0xee/0x170 [ 168.913626][ T74] __sys_sendmsg+0xcd/0x170 [ 168.913626][ T74] do_syscall_64+0xc6/0x1e0 [ 168.913626][ T74] [ 168.915933][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 168.915933][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 168.915933][ T74] ipv6_find_idev+0x102/0x170 [ 168.915933][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 168.915933][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 168.915933][ T74] netlink_rcv_skb+0x130/0x360 [ 168.915933][ T74] netlink_unicast+0x449/0x710 [ 168.915933][ T74] netlink_sendmsg+0x723/0xbe0 [ 168.915933][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 168.915933][ T74] ___sys_sendmsg+0xee/0x170 [ 168.915933][ T74] __sys_sendmsg+0xcd/0x170 [ 168.915933][ T74] do_syscall_64+0xc6/0x1e0 [ 168.915933][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 168.915933][ T74] [ 168.917626][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 168.917626][ T74] neigh_parms_alloc+0x1e5/0x510 [ 168.917626][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 168.917626][ T74] ipv6_find_idev+0x102/0x170 [ 168.917626][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 168.917626][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 168.917626][ T74] netlink_rcv_skb+0x130/0x360 [ 168.917626][ T74] netlink_unicast+0x449/0x710 [ 168.917626][ T74] netlink_sendmsg+0x723/0xbe0 [ 168.917626][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 168.917626][ T74] ___sys_sendmsg+0xee/0x170 [ 168.917626][ T74] __sys_sendmsg+0xcd/0x170 [ 168.917626][ T74] do_syscall_64+0xc6/0x1e0 [ 168.917626][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 168.917626][ T74] [ 168.919438][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 168.919767][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 168.919767][ T74] dst_init+0x84/0x4a0 [ 168.919767][ T74] dst_alloc+0x97/0x150 [ 168.919767][ T74] ip6_dst_alloc+0x23/0x90 [ 168.919767][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 168.919767][ T74] ip6_pol_route+0x56f/0x840 [ 168.919767][ T74] fib6_rule_lookup+0x456/0x630 [ 168.919767][ T74] ip6_route_input+0x59c/0xa50 [ 168.919767][ T74] ipv6_rcv+0x397/0x810 [ 168.919767][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 168.919767][ T74] process_backlog+0x101/0x620 [ 168.919767][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 168.919767][ T74] net_rx_action+0x495/0xbe0 [ 168.919767][ T74] __do_softirq+0x1b5/0x7f6 [ 168.919767][ T74] [ 168.921465][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 168.921465][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 168.921465][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 168.921465][ T74] fib6_nh_init+0xa22/0x1580 [ 168.921465][ T74] ip6_route_info_create+0xf18/0x17d0 [ 168.921465][ T74] ip6_route_add+0x1c/0x140 [ 168.921465][ T74] inet6_rtm_newroute+0x104/0x110 [ 168.921465][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 168.921465][ T74] netlink_rcv_skb+0x130/0x360 [ 168.921465][ T74] netlink_unicast+0x449/0x710 [ 168.921465][ T74] netlink_sendmsg+0x723/0xbe0 [ 168.921465][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 168.921465][ T74] ___sys_sendmsg+0xee/0x170 [ 168.921465][ T74] __sys_sendmsg+0xcd/0x170 [ 168.921465][ T74] do_syscall_64+0xc6/0x1e0 [ 168.921465][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 168.921465][ T74] [ 168.923432][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 168.923432][ T74] netdev_get_by_index+0x5e/0x80 [ 168.923432][ T74] fib6_nh_init+0x3d8/0x1580 [ 168.923432][ T74] ip6_route_info_create+0xf18/0x17d0 [ 168.923432][ T74] addrconf_f6i_alloc+0x265/0x560 [ 168.923432][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 168.923432][ T74] addrconf_join_anycast+0x1c0/0x220 [ 168.923432][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 168.923432][ T74] addrconf_dad_completed+0x12b/0xe20 [ 168.923432][ T74] addrconf_dad_begin+0x310/0x670 [ 168.923432][ T74] addrconf_dad_work+0x10b/0xab0 [ 168.923432][ T74] process_one_work+0x84d/0x18a0 [ 168.923432][ T74] worker_thread+0x587/0xd30 [ 168.923432][ T74] kthread+0x28a/0x350 [ 168.923432][ T74] ret_from_fork+0x31/0x70 [ 168.923432][ T74] ret_from_fork_asm+0x1a/0x30 [ 168.923432][ T74] [ 168.926098][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 168.926098][ T74] netdev_get_by_index+0x5e/0x80 [ 168.926098][ T74] fib6_nh_init+0x3d8/0x1580 [ 168.926098][ T74] ip6_route_info_create+0xf18/0x17d0 [ 168.926098][ T74] ip6_route_add+0x1c/0x140 [ 168.926098][ T74] addrconf_prefix_route+0x2a6/0x430 [ 168.926098][ T74] inet6_addr_add+0x4f8/0xa40 [ 168.926098][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 168.926098][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 168.926098][ T74] netlink_rcv_skb+0x130/0x360 [ 168.926098][ T74] netlink_unicast+0x449/0x710 [ 168.926098][ T74] netlink_sendmsg+0x723/0xbe0 [ 168.926098][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 168.926098][ T74] ___sys_sendmsg+0xee/0x170 [ 168.926098][ T74] __sys_sendmsg+0xcd/0x170 [ 168.926098][ T74] do_syscall_64+0xc6/0x1e0 [ 168.926098][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 168.926098][ T74] [ 168.928459][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 168.928459][ T74] netdev_get_by_index+0x5e/0x80 [ 168.928459][ T74] fib6_nh_init+0x3d8/0x1580 [ 168.928459][ T74] ip6_route_info_create+0xf18/0x17d0 [ 168.928459][ T74] addrconf_f6i_alloc+0x315/0x560 [ 168.928459][ T74] ipv6_add_addr+0x411/0x2000 [ 168.928459][ T74] inet6_addr_add+0x30e/0xa40 [ 168.928459][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 168.928459][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 168.928459][ T74] netlink_rcv_skb+0x130/0x360 [ 168.928459][ T74] netlink_unicast+0x449/0x710 [ 168.928459][ T74] netlink_sendmsg+0x723/0xbe0 [ 168.928459][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 168.928459][ T74] ___sys_sendmsg+0xee/0x170 [ 168.928459][ T74] __sys_sendmsg+0xcd/0x170 [ 168.928459][ T74] do_syscall_64+0xc6/0x1e0 [ 168.928459][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 168.928459][ T74] [ 168.931395][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 168.931395][ T74] netdev_get_by_index+0x5e/0x80 [ 168.931395][ T74] fib6_nh_init+0x3d8/0x1580 [ 168.931395][ T74] ip6_route_info_create+0xf18/0x17d0 [ 168.931395][ T74] ip6_route_add+0x1c/0x140 [ 168.931395][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 168.931395][ T74] addrconf_add_dev+0xe2/0x170 [ 168.931395][ T74] inet6_addr_add+0x12f/0xa40 [ 168.931395][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 168.931395][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 168.931395][ T74] netlink_rcv_skb+0x130/0x360 [ 168.931395][ T74] netlink_unicast+0x449/0x710 [ 168.931395][ T74] netlink_sendmsg+0x723/0xbe0 [ 168.931395][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 168.931395][ T74] ___sys_sendmsg+0xee/0x170 [ 168.931395][ T74] __sys_sendmsg+0xcd/0x170 [ 168.931395][ T74] do_syscall_64+0xc6/0x1e0 [ 168.931395][ T74] [ 168.934853][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 168.934853][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 168.934853][ T74] ipv6_find_idev+0x102/0x170 [ 168.934853][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 168.934853][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 168.934853][ T74] netlink_rcv_skb+0x130/0x360 [ 168.934853][ T74] netlink_unicast+0x449/0x710 [ 168.934853][ T74] netlink_sendmsg+0x723/0xbe0 [ 168.934853][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 168.934853][ T74] ___sys_sendmsg+0xee/0x170 [ 168.934853][ T74] __sys_sendmsg+0xcd/0x170 [ 168.934853][ T74] do_syscall_64+0xc6/0x1e0 [ 168.934853][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 168.934853][ T74] [ 168.936876][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 168.936876][ T74] neigh_parms_alloc+0x1e5/0x510 [ 168.936876][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 168.936876][ T74] ipv6_find_idev+0x102/0x170 [ 168.936876][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 168.936876][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 168.936876][ T74] netlink_rcv_skb+0x130/0x360 [ 168.936876][ T74] netlink_unicast+0x449/0x710 [ 168.936876][ T74] netlink_sendmsg+0x723/0xbe0 [ 168.936876][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 168.936876][ T74] ___sys_sendmsg+0xee/0x170 [ 168.936876][ T74] __sys_sendmsg+0xcd/0x170 [ 168.936876][ T74] do_syscall_64+0xc6/0x1e0 [ 168.936876][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 168.936876][ T74] [ 168.939790][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 168.940243][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 168.940243][ T74] netdev_get_by_index+0x5e/0x80 [ 168.940243][ T74] fib6_nh_init+0x3d8/0x1580 [ 168.940243][ T74] ip6_route_info_create+0xf18/0x17d0 [ 168.940243][ T74] ip6_route_add+0x1c/0x140 [ 168.940243][ T74] addrconf_prefix_route+0x2a6/0x430 [ 168.940243][ T74] inet6_addr_add+0x4f8/0xa40 [ 168.940243][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 168.940243][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 168.940243][ T74] netlink_rcv_skb+0x130/0x360 [ 168.940243][ T74] netlink_unicast+0x449/0x710 [ 168.940243][ T74] netlink_sendmsg+0x723/0xbe0 [ 168.940243][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 168.940243][ T74] ___sys_sendmsg+0xee/0x170 [ 168.940243][ T74] __sys_sendmsg+0xcd/0x170 [ 168.940243][ T74] do_syscall_64+0xc6/0x1e0 [ 168.940243][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 168.940243][ T74] [ 168.944012][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 168.944012][ T74] netdev_get_by_index+0x5e/0x80 [ 168.944012][ T74] fib6_nh_init+0x3d8/0x1580 [ 168.944012][ T74] ip6_route_info_create+0xf18/0x17d0 [ 168.944012][ T74] addrconf_f6i_alloc+0x315/0x560 [ 168.944012][ T74] ipv6_add_addr+0x411/0x2000 [ 168.944012][ T74] inet6_addr_add+0x30e/0xa40 [ 168.944012][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 168.944012][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 168.944012][ T74] netlink_rcv_skb+0x130/0x360 [ 168.944012][ T74] netlink_unicast+0x449/0x710 [ 168.944012][ T74] netlink_sendmsg+0x723/0xbe0 [ 168.944012][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 168.944012][ T74] ___sys_sendmsg+0xee/0x170 [ 168.944012][ T74] __sys_sendmsg+0xcd/0x170 [ 168.944012][ T74] do_syscall_64+0xc6/0x1e0 [ 168.944012][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 168.944012][ T74] [ 168.947077][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 168.947077][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 168.947077][ T74] ipv6_find_idev+0x102/0x170 [ 168.947077][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 168.947077][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 168.947077][ T74] netlink_rcv_skb+0x130/0x360 [ 168.947077][ T74] netlink_unicast+0x449/0x710 [ 168.947077][ T74] netlink_sendmsg+0x723/0xbe0 [ 168.947077][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 168.947077][ T74] ___sys_sendmsg+0xee/0x170 [ 168.947077][ T74] __sys_sendmsg+0xcd/0x170 [ 168.947077][ T74] do_syscall_64+0xc6/0x1e0 [ 168.947077][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 168.947077][ T74] [ 168.949505][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 168.949505][ T74] neigh_parms_alloc+0x1e5/0x510 [ 168.949505][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 168.949505][ T74] ipv6_find_idev+0x102/0x170 [ 168.949505][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 168.949505][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 168.949505][ T74] netlink_rcv_skb+0x130/0x360 [ 168.949505][ T74] netlink_unicast+0x449/0x710 [ 168.949505][ T74] netlink_sendmsg+0x723/0xbe0 [ 168.949505][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 168.949505][ T74] ___sys_sendmsg+0xee/0x170 [ 168.949505][ T74] __sys_sendmsg+0xcd/0x170 [ 168.949505][ T74] do_syscall_64+0xc6/0x1e0 [ 168.949505][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 168.949505][ T74] [ 170.764516][ T1164] veth0: renamed from veth1 [ 174.865977][ T1190] br0: port 1(vx0) entered blocking state [ 174.866186][ T1190] br0: port 1(vx0) entered disabled state [ 174.866369][ T1190] vx0: entered allmulticast mode [ 174.867542][ T1190] vx0: entered promiscuous mode [ 174.869452][ T1190] br0: port 1(vx0) entered blocking state [ 174.869637][ T1190] br0: port 1(vx0) entered forwarding state [ 179.048885][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 179.049197][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 179.049197][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 179.049197][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 179.049197][ T74] fib6_nh_init+0xa22/0x1580 [ 179.049197][ T74] ip6_route_info_create+0xf18/0x17d0 [ 179.049197][ T74] ip6_route_add+0x1c/0x140 [ 179.049197][ T74] inet6_rtm_newroute+0x104/0x110 [ 179.049197][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 179.049197][ T74] netlink_rcv_skb+0x130/0x360 [ 179.049197][ T74] netlink_unicast+0x449/0x710 [ 179.049197][ T74] netlink_sendmsg+0x723/0xbe0 [ 179.049197][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 179.049197][ T74] ___sys_sendmsg+0xee/0x170 [ 179.049197][ T74] __sys_sendmsg+0xcd/0x170 [ 179.049197][ T74] do_syscall_64+0xc6/0x1e0 [ 179.049197][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 179.049197][ T74] [ 179.051502][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 179.051502][ T74] netdev_get_by_index+0x5e/0x80 [ 179.051502][ T74] fib6_nh_init+0x3d8/0x1580 [ 179.051502][ T74] ip6_route_info_create+0xf18/0x17d0 [ 179.051502][ T74] addrconf_f6i_alloc+0x265/0x560 [ 179.051502][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 179.051502][ T74] addrconf_join_anycast+0x1c0/0x220 [ 179.051502][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 179.051502][ T74] addrconf_dad_completed+0x12b/0xe20 [ 179.051502][ T74] addrconf_dad_begin+0x310/0x670 [ 179.051502][ T74] addrconf_dad_work+0x10b/0xab0 [ 179.051502][ T74] process_one_work+0x84d/0x18a0 [ 179.051502][ T74] worker_thread+0x587/0xd30 [ 179.051502][ T74] kthread+0x28a/0x350 [ 179.051502][ T74] ret_from_fork+0x31/0x70 [ 179.051502][ T74] ret_from_fork_asm+0x1a/0x30 [ 179.051502][ T74] [ 179.053944][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 179.053944][ T74] netdev_get_by_index+0x5e/0x80 [ 179.053944][ T74] fib6_nh_init+0x3d8/0x1580 [ 179.053944][ T74] ip6_route_info_create+0xf18/0x17d0 [ 179.053944][ T74] ip6_route_add+0x1c/0x140 [ 179.053944][ T74] addrconf_prefix_route+0x2a6/0x430 [ 179.053944][ T74] inet6_addr_add+0x4f8/0xa40 [ 179.053944][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 179.053944][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 179.053944][ T74] netlink_rcv_skb+0x130/0x360 [ 179.053944][ T74] netlink_unicast+0x449/0x710 [ 179.053944][ T74] netlink_sendmsg+0x723/0xbe0 [ 179.053944][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 179.053944][ T74] ___sys_sendmsg+0xee/0x170 [ 179.053944][ T74] __sys_sendmsg+0xcd/0x170 [ 179.053944][ T74] do_syscall_64+0xc6/0x1e0 [ 179.053944][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 179.053944][ T74] [ 179.056413][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 179.056413][ T74] netdev_get_by_index+0x5e/0x80 [ 179.056413][ T74] fib6_nh_init+0x3d8/0x1580 [ 179.056413][ T74] ip6_route_info_create+0xf18/0x17d0 [ 179.056413][ T74] addrconf_f6i_alloc+0x315/0x560 [ 179.056413][ T74] ipv6_add_addr+0x411/0x2000 [ 179.056413][ T74] inet6_addr_add+0x30e/0xa40 [ 179.056413][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 179.056413][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 179.056413][ T74] netlink_rcv_skb+0x130/0x360 [ 179.056413][ T74] netlink_unicast+0x449/0x710 [ 179.056413][ T74] netlink_sendmsg+0x723/0xbe0 [ 179.056413][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 179.056413][ T74] ___sys_sendmsg+0xee/0x170 [ 179.056413][ T74] __sys_sendmsg+0xcd/0x170 [ 179.056413][ T74] do_syscall_64+0xc6/0x1e0 [ 179.056413][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 179.056413][ T74] [ 179.059053][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 179.059053][ T74] netdev_get_by_index+0x5e/0x80 [ 179.059053][ T74] fib6_nh_init+0x3d8/0x1580 [ 179.059053][ T74] ip6_route_info_create+0xf18/0x17d0 [ 179.059053][ T74] ip6_route_add+0x1c/0x140 [ 179.059053][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 179.059053][ T74] addrconf_add_dev+0xe2/0x170 [ 179.059053][ T74] inet6_addr_add+0x12f/0xa40 [ 179.059053][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 179.059053][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 179.059053][ T74] netlink_rcv_skb+0x130/0x360 [ 179.059053][ T74] netlink_unicast+0x449/0x710 [ 179.059053][ T74] netlink_sendmsg+0x723/0xbe0 [ 179.059053][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 179.059053][ T74] ___sys_sendmsg+0xee/0x170 [ 179.059053][ T74] __sys_sendmsg+0xcd/0x170 [ 179.059053][ T74] do_syscall_64+0xc6/0x1e0 [ 179.059053][ T74] [ 179.061498][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 179.061498][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 179.061498][ T74] ipv6_find_idev+0x102/0x170 [ 179.061498][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 179.061498][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 179.061498][ T74] netlink_rcv_skb+0x130/0x360 [ 179.061498][ T74] netlink_unicast+0x449/0x710 [ 179.061498][ T74] netlink_sendmsg+0x723/0xbe0 [ 179.061498][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 179.061498][ T74] ___sys_sendmsg+0xee/0x170 [ 179.061498][ T74] __sys_sendmsg+0xcd/0x170 [ 179.061498][ T74] do_syscall_64+0xc6/0x1e0 [ 179.061498][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 179.061498][ T74] [ 179.063381][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 179.063381][ T74] neigh_parms_alloc+0x1e5/0x510 [ 179.063381][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 179.063381][ T74] ipv6_find_idev+0x102/0x170 [ 179.063381][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 179.063381][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 179.063381][ T74] netlink_rcv_skb+0x130/0x360 [ 179.063381][ T74] netlink_unicast+0x449/0x710 [ 179.063381][ T74] netlink_sendmsg+0x723/0xbe0 [ 179.063381][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 179.063381][ T74] ___sys_sendmsg+0xee/0x170 [ 179.063381][ T74] __sys_sendmsg+0xcd/0x170 [ 179.063381][ T74] do_syscall_64+0xc6/0x1e0 [ 179.063381][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 179.063381][ T74] [ 179.065653][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 179.066078][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 179.066078][ T74] dst_init+0x84/0x4a0 [ 179.066078][ T74] dst_alloc+0x97/0x150 [ 179.066078][ T74] ip6_dst_alloc+0x23/0x90 [ 179.066078][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 179.066078][ T74] ip6_pol_route+0x56f/0x840 [ 179.066078][ T74] fib6_rule_lookup+0x456/0x630 [ 179.066078][ T74] ip6_route_input+0x59c/0xa50 [ 179.066078][ T74] ipv6_rcv+0x397/0x810 [ 179.066078][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 179.066078][ T74] process_backlog+0x101/0x620 [ 179.066078][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 179.066078][ T74] net_rx_action+0x495/0xbe0 [ 179.066078][ T74] __do_softirq+0x1b5/0x7f6 [ 179.066078][ T74] [ 179.068282][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 179.068282][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 179.068282][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 179.068282][ T74] fib6_nh_init+0xa22/0x1580 [ 179.068282][ T74] ip6_route_info_create+0xf18/0x17d0 [ 179.068282][ T74] ip6_route_add+0x1c/0x140 [ 179.068282][ T74] inet6_rtm_newroute+0x104/0x110 [ 179.068282][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 179.068282][ T74] netlink_rcv_skb+0x130/0x360 [ 179.068282][ T74] netlink_unicast+0x449/0x710 [ 179.068282][ T74] netlink_sendmsg+0x723/0xbe0 [ 179.068282][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 179.068282][ T74] ___sys_sendmsg+0xee/0x170 [ 179.068282][ T74] __sys_sendmsg+0xcd/0x170 [ 179.068282][ T74] do_syscall_64+0xc6/0x1e0 [ 179.068282][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 179.068282][ T74] [ 179.070955][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 179.070955][ T74] netdev_get_by_index+0x5e/0x80 [ 179.070955][ T74] fib6_nh_init+0x3d8/0x1580 [ 179.070955][ T74] ip6_route_info_create+0xf18/0x17d0 [ 179.070955][ T74] addrconf_f6i_alloc+0x265/0x560 [ 179.070955][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 179.070955][ T74] addrconf_join_anycast+0x1c0/0x220 [ 179.070955][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 179.070955][ T74] addrconf_dad_completed+0x12b/0xe20 [ 179.070955][ T74] addrconf_dad_begin+0x310/0x670 [ 179.070955][ T74] addrconf_dad_work+0x10b/0xab0 [ 179.070955][ T74] process_one_work+0x84d/0x18a0 [ 179.070955][ T74] worker_thread+0x587/0xd30 [ 179.070955][ T74] kthread+0x28a/0x350 [ 179.070955][ T74] ret_from_fork+0x31/0x70 [ 179.070955][ T74] ret_from_fork_asm+0x1a/0x30 [ 179.070955][ T74] [ 179.073681][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 179.073681][ T74] netdev_get_by_index+0x5e/0x80 [ 179.073681][ T74] fib6_nh_init+0x3d8/0x1580 [ 179.073681][ T74] ip6_route_info_create+0xf18/0x17d0 [ 179.073681][ T74] ip6_route_add+0x1c/0x140 [ 179.073681][ T74] addrconf_prefix_route+0x2a6/0x430 [ 179.073681][ T74] inet6_addr_add+0x4f8/0xa40 [ 179.073681][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 179.073681][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 179.073681][ T74] netlink_rcv_skb+0x130/0x360 [ 179.073681][ T74] netlink_unicast+0x449/0x710 [ 179.073681][ T74] netlink_sendmsg+0x723/0xbe0 [ 179.073681][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 179.073681][ T74] ___sys_sendmsg+0xee/0x170 [ 179.073681][ T74] __sys_sendmsg+0xcd/0x170 [ 179.073681][ T74] do_syscall_64+0xc6/0x1e0 [ 179.073681][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 179.073681][ T74] [ 179.076554][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 179.076554][ T74] netdev_get_by_index+0x5e/0x80 [ 179.076554][ T74] fib6_nh_init+0x3d8/0x1580 [ 179.076554][ T74] ip6_route_info_create+0xf18/0x17d0 [ 179.076554][ T74] addrconf_f6i_alloc+0x315/0x560 [ 179.076554][ T74] ipv6_add_addr+0x411/0x2000 [ 179.076554][ T74] inet6_addr_add+0x30e/0xa40 [ 179.076554][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 179.076554][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 179.076554][ T74] netlink_rcv_skb+0x130/0x360 [ 179.076554][ T74] netlink_unicast+0x449/0x710 [ 179.076554][ T74] netlink_sendmsg+0x723/0xbe0 [ 179.076554][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 179.076554][ T74] ___sys_sendmsg+0xee/0x170 [ 179.076554][ T74] __sys_sendmsg+0xcd/0x170 [ 179.076554][ T74] do_syscall_64+0xc6/0x1e0 [ 179.076554][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 179.076554][ T74] [ 179.079214][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 179.079214][ T74] netdev_get_by_index+0x5e/0x80 [ 179.079214][ T74] fib6_nh_init+0x3d8/0x1580 [ 179.079214][ T74] ip6_route_info_create+0xf18/0x17d0 [ 179.079214][ T74] ip6_route_add+0x1c/0x140 [ 179.079214][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 179.079214][ T74] addrconf_add_dev+0xe2/0x170 [ 179.079214][ T74] inet6_addr_add+0x12f/0xa40 [ 179.079214][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 179.079214][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 179.079214][ T74] netlink_rcv_skb+0x130/0x360 [ 179.079214][ T74] netlink_unicast+0x449/0x710 [ 179.079214][ T74] netlink_sendmsg+0x723/0xbe0 [ 179.079214][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 179.079214][ T74] ___sys_sendmsg+0xee/0x170 [ 179.079214][ T74] __sys_sendmsg+0xcd/0x170 [ 179.079214][ T74] do_syscall_64+0xc6/0x1e0 [ 179.079214][ T74] [ 179.081894][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 179.081894][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 179.081894][ T74] ipv6_find_idev+0x102/0x170 [ 179.081894][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 179.081894][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 179.081894][ T74] netlink_rcv_skb+0x130/0x360 [ 179.081894][ T74] netlink_unicast+0x449/0x710 [ 179.081894][ T74] netlink_sendmsg+0x723/0xbe0 [ 179.081894][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 179.081894][ T74] ___sys_sendmsg+0xee/0x170 [ 179.081894][ T74] __sys_sendmsg+0xcd/0x170 [ 179.081894][ T74] do_syscall_64+0xc6/0x1e0 [ 179.081894][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 179.081894][ T74] [ 179.084098][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 179.084098][ T74] neigh_parms_alloc+0x1e5/0x510 [ 179.084098][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 179.084098][ T74] ipv6_find_idev+0x102/0x170 [ 179.084098][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 179.084098][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 179.084098][ T74] netlink_rcv_skb+0x130/0x360 [ 179.084098][ T74] netlink_unicast+0x449/0x710 [ 179.084098][ T74] netlink_sendmsg+0x723/0xbe0 [ 179.084098][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 179.084098][ T74] ___sys_sendmsg+0xee/0x170 [ 179.084098][ T74] __sys_sendmsg+0xcd/0x170 [ 179.084098][ T74] do_syscall_64+0xc6/0x1e0 [ 179.084098][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 179.084098][ T74] [ 179.086542][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 179.086859][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 179.086859][ T74] netdev_get_by_index+0x5e/0x80 [ 179.086859][ T74] fib6_nh_init+0x3d8/0x1580 [ 179.086859][ T74] ip6_route_info_create+0xf18/0x17d0 [ 179.086859][ T74] ip6_route_add+0x1c/0x140 [ 179.086859][ T74] addrconf_prefix_route+0x2a6/0x430 [ 179.086859][ T74] inet6_addr_add+0x4f8/0xa40 [ 179.086859][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 179.086859][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 179.086859][ T74] netlink_rcv_skb+0x130/0x360 [ 179.086859][ T74] netlink_unicast+0x449/0x710 [ 179.086859][ T74] netlink_sendmsg+0x723/0xbe0 [ 179.086859][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 179.086859][ T74] ___sys_sendmsg+0xee/0x170 [ 179.086859][ T74] __sys_sendmsg+0xcd/0x170 [ 179.086859][ T74] do_syscall_64+0xc6/0x1e0 [ 179.086859][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 179.086859][ T74] [ 179.089509][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 179.089509][ T74] netdev_get_by_index+0x5e/0x80 [ 179.089509][ T74] fib6_nh_init+0x3d8/0x1580 [ 179.089509][ T74] ip6_route_info_create+0xf18/0x17d0 [ 179.089509][ T74] addrconf_f6i_alloc+0x315/0x560 [ 179.089509][ T74] ipv6_add_addr+0x411/0x2000 [ 179.089509][ T74] inet6_addr_add+0x30e/0xa40 [ 179.089509][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 179.089509][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 179.089509][ T74] netlink_rcv_skb+0x130/0x360 [ 179.089509][ T74] netlink_unicast+0x449/0x710 [ 179.089509][ T74] netlink_sendmsg+0x723/0xbe0 [ 179.089509][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 179.089509][ T74] ___sys_sendmsg+0xee/0x170 [ 179.089509][ T74] __sys_sendmsg+0xcd/0x170 [ 179.089509][ T74] do_syscall_64+0xc6/0x1e0 [ 179.089509][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 179.089509][ T74] [ 179.092150][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 179.092150][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 179.092150][ T74] ipv6_find_idev+0x102/0x170 [ 179.092150][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 179.092150][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 179.092150][ T74] netlink_rcv_skb+0x130/0x360 [ 179.092150][ T74] netlink_unicast+0x449/0x710 [ 179.092150][ T74] netlink_sendmsg+0x723/0xbe0 [ 179.092150][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 179.092150][ T74] ___sys_sendmsg+0xee/0x170 [ 179.092150][ T74] __sys_sendmsg+0xcd/0x170 [ 179.092150][ T74] do_syscall_64+0xc6/0x1e0 [ 179.092150][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 179.092150][ T74] [ 179.094337][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 179.094337][ T74] neigh_parms_alloc+0x1e5/0x510 [ 179.094337][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 179.094337][ T74] ipv6_find_idev+0x102/0x170 [ 179.094337][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 179.094337][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 179.094337][ T74] netlink_rcv_skb+0x130/0x360 [ 179.094337][ T74] netlink_unicast+0x449/0x710 [ 179.094337][ T74] netlink_sendmsg+0x723/0xbe0 [ 179.094337][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 179.094337][ T74] ___sys_sendmsg+0xee/0x170 [ 179.094337][ T74] __sys_sendmsg+0xcd/0x170 [ 179.094337][ T74] do_syscall_64+0xc6/0x1e0 [ 179.094337][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 179.094337][ T74] [ 180.642273][ T1220] br0: port 1(vx0) entered blocking state [ 180.642492][ T1220] br0: port 1(vx0) entered disabled state [ 180.642699][ T1220] vx0: entered allmulticast mode [ 180.644730][ T1220] vx0: entered promiscuous mode [ 180.646782][ T1220] br0: port 1(vx0) entered blocking state [ 180.646975][ T1220] br0: port 1(vx0) entered forwarding state [ 189.127948][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 189.128353][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 189.128353][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 189.128353][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 189.128353][ T74] fib6_nh_init+0xa22/0x1580 [ 189.128353][ T74] ip6_route_info_create+0xf18/0x17d0 [ 189.128353][ T74] ip6_route_add+0x1c/0x140 [ 189.128353][ T74] inet6_rtm_newroute+0x104/0x110 [ 189.128353][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 189.128353][ T74] netlink_rcv_skb+0x130/0x360 [ 189.128353][ T74] netlink_unicast+0x449/0x710 [ 189.128353][ T74] netlink_sendmsg+0x723/0xbe0 [ 189.128353][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 189.128353][ T74] ___sys_sendmsg+0xee/0x170 [ 189.128353][ T74] __sys_sendmsg+0xcd/0x170 [ 189.128353][ T74] do_syscall_64+0xc6/0x1e0 [ 189.128353][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 189.128353][ T74] [ 189.130486][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 189.130486][ T74] netdev_get_by_index+0x5e/0x80 [ 189.130486][ T74] fib6_nh_init+0x3d8/0x1580 [ 189.130486][ T74] ip6_route_info_create+0xf18/0x17d0 [ 189.130486][ T74] addrconf_f6i_alloc+0x265/0x560 [ 189.130486][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 189.130486][ T74] addrconf_join_anycast+0x1c0/0x220 [ 189.130486][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 189.130486][ T74] addrconf_dad_completed+0x12b/0xe20 [ 189.130486][ T74] addrconf_dad_begin+0x310/0x670 [ 189.130486][ T74] addrconf_dad_work+0x10b/0xab0 [ 189.130486][ T74] process_one_work+0x84d/0x18a0 [ 189.130486][ T74] worker_thread+0x587/0xd30 [ 189.130486][ T74] kthread+0x28a/0x350 [ 189.130486][ T74] ret_from_fork+0x31/0x70 [ 189.130486][ T74] ret_from_fork_asm+0x1a/0x30 [ 189.130486][ T74] [ 189.132608][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 189.132608][ T74] netdev_get_by_index+0x5e/0x80 [ 189.132608][ T74] fib6_nh_init+0x3d8/0x1580 [ 189.132608][ T74] ip6_route_info_create+0xf18/0x17d0 [ 189.132608][ T74] ip6_route_add+0x1c/0x140 [ 189.132608][ T74] addrconf_prefix_route+0x2a6/0x430 [ 189.132608][ T74] inet6_addr_add+0x4f8/0xa40 [ 189.132608][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 189.132608][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 189.132608][ T74] netlink_rcv_skb+0x130/0x360 [ 189.132608][ T74] netlink_unicast+0x449/0x710 [ 189.132608][ T74] netlink_sendmsg+0x723/0xbe0 [ 189.132608][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 189.132608][ T74] ___sys_sendmsg+0xee/0x170 [ 189.132608][ T74] __sys_sendmsg+0xcd/0x170 [ 189.132608][ T74] do_syscall_64+0xc6/0x1e0 [ 189.132608][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 189.132608][ T74] [ 189.135051][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 189.135051][ T74] netdev_get_by_index+0x5e/0x80 [ 189.135051][ T74] fib6_nh_init+0x3d8/0x1580 [ 189.135051][ T74] ip6_route_info_create+0xf18/0x17d0 [ 189.135051][ T74] addrconf_f6i_alloc+0x315/0x560 [ 189.135051][ T74] ipv6_add_addr+0x411/0x2000 [ 189.135051][ T74] inet6_addr_add+0x30e/0xa40 [ 189.135051][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 189.135051][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 189.135051][ T74] netlink_rcv_skb+0x130/0x360 [ 189.135051][ T74] netlink_unicast+0x449/0x710 [ 189.135051][ T74] netlink_sendmsg+0x723/0xbe0 [ 189.135051][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 189.135051][ T74] ___sys_sendmsg+0xee/0x170 [ 189.135051][ T74] __sys_sendmsg+0xcd/0x170 [ 189.135051][ T74] do_syscall_64+0xc6/0x1e0 [ 189.135051][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 189.135051][ T74] [ 189.137449][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 189.137449][ T74] netdev_get_by_index+0x5e/0x80 [ 189.137449][ T74] fib6_nh_init+0x3d8/0x1580 [ 189.137449][ T74] ip6_route_info_create+0xf18/0x17d0 [ 189.137449][ T74] ip6_route_add+0x1c/0x140 [ 189.137449][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 189.137449][ T74] addrconf_add_dev+0xe2/0x170 [ 189.137449][ T74] inet6_addr_add+0x12f/0xa40 [ 189.137449][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 189.137449][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 189.137449][ T74] netlink_rcv_skb+0x130/0x360 [ 189.137449][ T74] netlink_unicast+0x449/0x710 [ 189.137449][ T74] netlink_sendmsg+0x723/0xbe0 [ 189.137449][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 189.137449][ T74] ___sys_sendmsg+0xee/0x170 [ 189.137449][ T74] __sys_sendmsg+0xcd/0x170 [ 189.137449][ T74] do_syscall_64+0xc6/0x1e0 [ 189.137449][ T74] [ 189.139839][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 189.139839][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 189.139839][ T74] ipv6_find_idev+0x102/0x170 [ 189.139839][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 189.139839][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 189.139839][ T74] netlink_rcv_skb+0x130/0x360 [ 189.139839][ T74] netlink_unicast+0x449/0x710 [ 189.139839][ T74] netlink_sendmsg+0x723/0xbe0 [ 189.139839][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 189.139839][ T74] ___sys_sendmsg+0xee/0x170 [ 189.139839][ T74] __sys_sendmsg+0xcd/0x170 [ 189.139839][ T74] do_syscall_64+0xc6/0x1e0 [ 189.139839][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 189.139839][ T74] [ 189.141782][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 189.141782][ T74] neigh_parms_alloc+0x1e5/0x510 [ 189.141782][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 189.141782][ T74] ipv6_find_idev+0x102/0x170 [ 189.141782][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 189.141782][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 189.141782][ T74] netlink_rcv_skb+0x130/0x360 [ 189.141782][ T74] netlink_unicast+0x449/0x710 [ 189.141782][ T74] netlink_sendmsg+0x723/0xbe0 [ 189.141782][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 189.141782][ T74] ___sys_sendmsg+0xee/0x170 [ 189.141782][ T74] __sys_sendmsg+0xcd/0x170 [ 189.141782][ T74] do_syscall_64+0xc6/0x1e0 [ 189.141782][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 189.141782][ T74] [ 189.143972][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 189.144353][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 189.144353][ T74] dst_init+0x84/0x4a0 [ 189.144353][ T74] dst_alloc+0x97/0x150 [ 189.144353][ T74] ip6_dst_alloc+0x23/0x90 [ 189.144353][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 189.144353][ T74] ip6_pol_route+0x56f/0x840 [ 189.144353][ T74] fib6_rule_lookup+0x456/0x630 [ 189.144353][ T74] ip6_route_input+0x59c/0xa50 [ 189.144353][ T74] ipv6_rcv+0x397/0x810 [ 189.144353][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 189.144353][ T74] process_backlog+0x101/0x620 [ 189.144353][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 189.144353][ T74] net_rx_action+0x495/0xbe0 [ 189.144353][ T74] __do_softirq+0x1b5/0x7f6 [ 189.144353][ T74] [ 189.146453][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 189.146453][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 189.146453][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 189.146453][ T74] fib6_nh_init+0xa22/0x1580 [ 189.146453][ T74] ip6_route_info_create+0xf18/0x17d0 [ 189.146453][ T74] ip6_route_add+0x1c/0x140 [ 189.146453][ T74] inet6_rtm_newroute+0x104/0x110 [ 189.146453][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 189.146453][ T74] netlink_rcv_skb+0x130/0x360 [ 189.146453][ T74] netlink_unicast+0x449/0x710 [ 189.146453][ T74] netlink_sendmsg+0x723/0xbe0 [ 189.146453][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 189.146453][ T74] ___sys_sendmsg+0xee/0x170 [ 189.146453][ T74] __sys_sendmsg+0xcd/0x170 [ 189.146453][ T74] do_syscall_64+0xc6/0x1e0 [ 189.146453][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 189.146453][ T74] [ 189.148878][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 189.148878][ T74] netdev_get_by_index+0x5e/0x80 [ 189.148878][ T74] fib6_nh_init+0x3d8/0x1580 [ 189.148878][ T74] ip6_route_info_create+0xf18/0x17d0 [ 189.148878][ T74] addrconf_f6i_alloc+0x265/0x560 [ 189.148878][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 189.148878][ T74] addrconf_join_anycast+0x1c0/0x220 [ 189.148878][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 189.148878][ T74] addrconf_dad_completed+0x12b/0xe20 [ 189.148878][ T74] addrconf_dad_begin+0x310/0x670 [ 189.148878][ T74] addrconf_dad_work+0x10b/0xab0 [ 189.148878][ T74] process_one_work+0x84d/0x18a0 [ 189.148878][ T74] worker_thread+0x587/0xd30 [ 189.148878][ T74] kthread+0x28a/0x350 [ 189.148878][ T74] ret_from_fork+0x31/0x70 [ 189.148878][ T74] ret_from_fork_asm+0x1a/0x30 [ 189.148878][ T74] [ 189.151224][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 189.151224][ T74] netdev_get_by_index+0x5e/0x80 [ 189.151224][ T74] fib6_nh_init+0x3d8/0x1580 [ 189.151224][ T74] ip6_route_info_create+0xf18/0x17d0 [ 189.151224][ T74] ip6_route_add+0x1c/0x140 [ 189.151224][ T74] addrconf_prefix_route+0x2a6/0x430 [ 189.151224][ T74] inet6_addr_add+0x4f8/0xa40 [ 189.151224][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 189.151224][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 189.151224][ T74] netlink_rcv_skb+0x130/0x360 [ 189.151224][ T74] netlink_unicast+0x449/0x710 [ 189.151224][ T74] netlink_sendmsg+0x723/0xbe0 [ 189.151224][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 189.151224][ T74] ___sys_sendmsg+0xee/0x170 [ 189.151224][ T74] __sys_sendmsg+0xcd/0x170 [ 189.151224][ T74] do_syscall_64+0xc6/0x1e0 [ 189.151224][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 189.151224][ T74] [ 189.154037][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 189.154037][ T74] netdev_get_by_index+0x5e/0x80 [ 189.154037][ T74] fib6_nh_init+0x3d8/0x1580 [ 189.154037][ T74] ip6_route_info_create+0xf18/0x17d0 [ 189.154037][ T74] addrconf_f6i_alloc+0x315/0x560 [ 189.154037][ T74] ipv6_add_addr+0x411/0x2000 [ 189.154037][ T74] inet6_addr_add+0x30e/0xa40 [ 189.154037][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 189.154037][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 189.154037][ T74] netlink_rcv_skb+0x130/0x360 [ 189.154037][ T74] netlink_unicast+0x449/0x710 [ 189.154037][ T74] netlink_sendmsg+0x723/0xbe0 [ 189.154037][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 189.154037][ T74] ___sys_sendmsg+0xee/0x170 [ 189.154037][ T74] __sys_sendmsg+0xcd/0x170 [ 189.154037][ T74] do_syscall_64+0xc6/0x1e0 [ 189.154037][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 189.154037][ T74] [ 189.156498][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 189.156498][ T74] netdev_get_by_index+0x5e/0x80 [ 189.156498][ T74] fib6_nh_init+0x3d8/0x1580 [ 189.156498][ T74] ip6_route_info_create+0xf18/0x17d0 [ 189.156498][ T74] ip6_route_add+0x1c/0x140 [ 189.156498][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 189.156498][ T74] addrconf_add_dev+0xe2/0x170 [ 189.156498][ T74] inet6_addr_add+0x12f/0xa40 [ 189.156498][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 189.156498][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 189.156498][ T74] netlink_rcv_skb+0x130/0x360 [ 189.156498][ T74] netlink_unicast+0x449/0x710 [ 189.156498][ T74] netlink_sendmsg+0x723/0xbe0 [ 189.156498][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 189.156498][ T74] ___sys_sendmsg+0xee/0x170 [ 189.156498][ T74] __sys_sendmsg+0xcd/0x170 [ 189.156498][ T74] do_syscall_64+0xc6/0x1e0 [ 189.156498][ T74] [ 189.158937][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 189.158937][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 189.158937][ T74] ipv6_find_idev+0x102/0x170 [ 189.158937][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 189.158937][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 189.158937][ T74] netlink_rcv_skb+0x130/0x360 [ 189.158937][ T74] netlink_unicast+0x449/0x710 [ 189.158937][ T74] netlink_sendmsg+0x723/0xbe0 [ 189.158937][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 189.158937][ T74] ___sys_sendmsg+0xee/0x170 [ 189.158937][ T74] __sys_sendmsg+0xcd/0x170 [ 189.158937][ T74] do_syscall_64+0xc6/0x1e0 [ 189.158937][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 189.158937][ T74] [ 189.160859][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 189.160859][ T74] neigh_parms_alloc+0x1e5/0x510 [ 189.160859][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 189.160859][ T74] ipv6_find_idev+0x102/0x170 [ 189.160859][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 189.160859][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 189.160859][ T74] netlink_rcv_skb+0x130/0x360 [ 189.160859][ T74] netlink_unicast+0x449/0x710 [ 189.160859][ T74] netlink_sendmsg+0x723/0xbe0 [ 189.160859][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 189.160859][ T74] ___sys_sendmsg+0xee/0x170 [ 189.160859][ T74] __sys_sendmsg+0xcd/0x170 [ 189.160859][ T74] do_syscall_64+0xc6/0x1e0 [ 189.160859][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 189.160859][ T74] [ 189.162901][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 189.163166][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 189.163166][ T74] netdev_get_by_index+0x5e/0x80 [ 189.163166][ T74] fib6_nh_init+0x3d8/0x1580 [ 189.163166][ T74] ip6_route_info_create+0xf18/0x17d0 [ 189.163166][ T74] ip6_route_add+0x1c/0x140 [ 189.163166][ T74] addrconf_prefix_route+0x2a6/0x430 [ 189.163166][ T74] inet6_addr_add+0x4f8/0xa40 [ 189.163166][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 189.163166][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 189.163166][ T74] netlink_rcv_skb+0x130/0x360 [ 189.163166][ T74] netlink_unicast+0x449/0x710 [ 189.163166][ T74] netlink_sendmsg+0x723/0xbe0 [ 189.163166][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 189.163166][ T74] ___sys_sendmsg+0xee/0x170 [ 189.163166][ T74] __sys_sendmsg+0xcd/0x170 [ 189.163166][ T74] do_syscall_64+0xc6/0x1e0 [ 189.163166][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 189.163166][ T74] [ 189.165402][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 189.165402][ T74] netdev_get_by_index+0x5e/0x80 [ 189.165402][ T74] fib6_nh_init+0x3d8/0x1580 [ 189.165402][ T74] ip6_route_info_create+0xf18/0x17d0 [ 189.165402][ T74] addrconf_f6i_alloc+0x315/0x560 [ 189.165402][ T74] ipv6_add_addr+0x411/0x2000 [ 189.165402][ T74] inet6_addr_add+0x30e/0xa40 [ 189.165402][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 189.165402][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 189.165402][ T74] netlink_rcv_skb+0x130/0x360 [ 189.165402][ T74] netlink_unicast+0x449/0x710 [ 189.165402][ T74] netlink_sendmsg+0x723/0xbe0 [ 189.165402][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 189.165402][ T74] ___sys_sendmsg+0xee/0x170 [ 189.165402][ T74] __sys_sendmsg+0xcd/0x170 [ 189.165402][ T74] do_syscall_64+0xc6/0x1e0 [ 189.165402][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 189.165402][ T74] [ 189.167751][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 189.167751][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 189.167751][ T74] ipv6_find_idev+0x102/0x170 [ 189.167751][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 189.167751][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 189.167751][ T74] netlink_rcv_skb+0x130/0x360 [ 189.167751][ T74] netlink_unicast+0x449/0x710 [ 189.167751][ T74] netlink_sendmsg+0x723/0xbe0 [ 189.167751][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 189.167751][ T74] ___sys_sendmsg+0xee/0x170 [ 189.167751][ T74] __sys_sendmsg+0xcd/0x170 [ 189.167751][ T74] do_syscall_64+0xc6/0x1e0 [ 189.167751][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 189.167751][ T74] [ 189.169548][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 189.169548][ T74] neigh_parms_alloc+0x1e5/0x510 [ 189.169548][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 189.169548][ T74] ipv6_find_idev+0x102/0x170 [ 189.169548][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 189.169548][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 189.169548][ T74] netlink_rcv_skb+0x130/0x360 [ 189.169548][ T74] netlink_unicast+0x449/0x710 [ 189.169548][ T74] netlink_sendmsg+0x723/0xbe0 [ 189.169548][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 189.169548][ T74] ___sys_sendmsg+0xee/0x170 [ 189.169548][ T74] __sys_sendmsg+0xcd/0x170 [ 189.169548][ T74] do_syscall_64+0xc6/0x1e0 [ 189.169548][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 189.169548][ T74] [ 198.459634][ T1350] veth0: renamed from veth1 [ 199.303903][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 199.304290][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 199.304290][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 199.304290][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 199.304290][ T74] fib6_nh_init+0xa22/0x1580 [ 199.304290][ T74] ip6_route_info_create+0xf18/0x17d0 [ 199.304290][ T74] ip6_route_add+0x1c/0x140 [ 199.304290][ T74] inet6_rtm_newroute+0x104/0x110 [ 199.304290][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 199.304290][ T74] netlink_rcv_skb+0x130/0x360 [ 199.304290][ T74] netlink_unicast+0x449/0x710 [ 199.304290][ T74] netlink_sendmsg+0x723/0xbe0 [ 199.304290][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 199.304290][ T74] ___sys_sendmsg+0xee/0x170 [ 199.304290][ T74] __sys_sendmsg+0xcd/0x170 [ 199.304290][ T74] do_syscall_64+0xc6/0x1e0 [ 199.304290][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 199.304290][ T74] [ 199.306776][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 199.306776][ T74] netdev_get_by_index+0x5e/0x80 [ 199.306776][ T74] fib6_nh_init+0x3d8/0x1580 [ 199.306776][ T74] ip6_route_info_create+0xf18/0x17d0 [ 199.306776][ T74] addrconf_f6i_alloc+0x265/0x560 [ 199.306776][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 199.306776][ T74] addrconf_join_anycast+0x1c0/0x220 [ 199.306776][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 199.306776][ T74] addrconf_dad_completed+0x12b/0xe20 [ 199.306776][ T74] addrconf_dad_begin+0x310/0x670 [ 199.306776][ T74] addrconf_dad_work+0x10b/0xab0 [ 199.306776][ T74] process_one_work+0x84d/0x18a0 [ 199.306776][ T74] worker_thread+0x587/0xd30 [ 199.306776][ T74] kthread+0x28a/0x350 [ 199.306776][ T74] ret_from_fork+0x31/0x70 [ 199.306776][ T74] ret_from_fork_asm+0x1a/0x30 [ 199.306776][ T74] [ 199.309209][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 199.309209][ T74] netdev_get_by_index+0x5e/0x80 [ 199.309209][ T74] fib6_nh_init+0x3d8/0x1580 [ 199.309209][ T74] ip6_route_info_create+0xf18/0x17d0 [ 199.309209][ T74] ip6_route_add+0x1c/0x140 [ 199.309209][ T74] addrconf_prefix_route+0x2a6/0x430 [ 199.309209][ T74] inet6_addr_add+0x4f8/0xa40 [ 199.309209][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 199.309209][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 199.309209][ T74] netlink_rcv_skb+0x130/0x360 [ 199.309209][ T74] netlink_unicast+0x449/0x710 [ 199.309209][ T74] netlink_sendmsg+0x723/0xbe0 [ 199.309209][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 199.309209][ T74] ___sys_sendmsg+0xee/0x170 [ 199.309209][ T74] __sys_sendmsg+0xcd/0x170 [ 199.309209][ T74] do_syscall_64+0xc6/0x1e0 [ 199.309209][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 199.309209][ T74] [ 199.311535][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 199.311535][ T74] netdev_get_by_index+0x5e/0x80 [ 199.311535][ T74] fib6_nh_init+0x3d8/0x1580 [ 199.311535][ T74] ip6_route_info_create+0xf18/0x17d0 [ 199.311535][ T74] addrconf_f6i_alloc+0x315/0x560 [ 199.311535][ T74] ipv6_add_addr+0x411/0x2000 [ 199.311535][ T74] inet6_addr_add+0x30e/0xa40 [ 199.311535][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 199.311535][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 199.311535][ T74] netlink_rcv_skb+0x130/0x360 [ 199.311535][ T74] netlink_unicast+0x449/0x710 [ 199.311535][ T74] netlink_sendmsg+0x723/0xbe0 [ 199.311535][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 199.311535][ T74] ___sys_sendmsg+0xee/0x170 [ 199.311535][ T74] __sys_sendmsg+0xcd/0x170 [ 199.311535][ T74] do_syscall_64+0xc6/0x1e0 [ 199.311535][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 199.311535][ T74] [ 199.313774][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 199.313774][ T74] netdev_get_by_index+0x5e/0x80 [ 199.313774][ T74] fib6_nh_init+0x3d8/0x1580 [ 199.313774][ T74] ip6_route_info_create+0xf18/0x17d0 [ 199.313774][ T74] ip6_route_add+0x1c/0x140 [ 199.313774][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 199.313774][ T74] addrconf_add_dev+0xe2/0x170 [ 199.313774][ T74] inet6_addr_add+0x12f/0xa40 [ 199.313774][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 199.313774][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 199.313774][ T74] netlink_rcv_skb+0x130/0x360 [ 199.313774][ T74] netlink_unicast+0x449/0x710 [ 199.313774][ T74] netlink_sendmsg+0x723/0xbe0 [ 199.313774][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 199.313774][ T74] ___sys_sendmsg+0xee/0x170 [ 199.313774][ T74] __sys_sendmsg+0xcd/0x170 [ 199.313774][ T74] do_syscall_64+0xc6/0x1e0 [ 199.313774][ T74] [ 199.316213][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 199.316213][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 199.316213][ T74] ipv6_find_idev+0x102/0x170 [ 199.316213][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 199.316213][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 199.316213][ T74] netlink_rcv_skb+0x130/0x360 [ 199.316213][ T74] netlink_unicast+0x449/0x710 [ 199.316213][ T74] netlink_sendmsg+0x723/0xbe0 [ 199.316213][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 199.316213][ T74] ___sys_sendmsg+0xee/0x170 [ 199.316213][ T74] __sys_sendmsg+0xcd/0x170 [ 199.316213][ T74] do_syscall_64+0xc6/0x1e0 [ 199.316213][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 199.316213][ T74] [ 199.318111][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 199.318111][ T74] neigh_parms_alloc+0x1e5/0x510 [ 199.318111][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 199.318111][ T74] ipv6_find_idev+0x102/0x170 [ 199.318111][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 199.318111][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 199.318111][ T74] netlink_rcv_skb+0x130/0x360 [ 199.318111][ T74] netlink_unicast+0x449/0x710 [ 199.318111][ T74] netlink_sendmsg+0x723/0xbe0 [ 199.318111][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 199.318111][ T74] ___sys_sendmsg+0xee/0x170 [ 199.318111][ T74] __sys_sendmsg+0xcd/0x170 [ 199.318111][ T74] do_syscall_64+0xc6/0x1e0 [ 199.318111][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 199.318111][ T74] [ 199.320254][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 199.320583][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 199.320583][ T74] dst_init+0x84/0x4a0 [ 199.320583][ T74] dst_alloc+0x97/0x150 [ 199.320583][ T74] ip6_dst_alloc+0x23/0x90 [ 199.320583][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 199.320583][ T74] ip6_pol_route+0x56f/0x840 [ 199.320583][ T74] fib6_rule_lookup+0x456/0x630 [ 199.320583][ T74] ip6_route_input+0x59c/0xa50 [ 199.320583][ T74] ipv6_rcv+0x397/0x810 [ 199.320583][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 199.320583][ T74] process_backlog+0x101/0x620 [ 199.320583][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 199.320583][ T74] net_rx_action+0x495/0xbe0 [ 199.320583][ T74] __do_softirq+0x1b5/0x7f6 [ 199.320583][ T74] [ 199.322482][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 199.322482][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 199.322482][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 199.322482][ T74] fib6_nh_init+0xa22/0x1580 [ 199.322482][ T74] ip6_route_info_create+0xf18/0x17d0 [ 199.322482][ T74] ip6_route_add+0x1c/0x140 [ 199.322482][ T74] inet6_rtm_newroute+0x104/0x110 [ 199.322482][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 199.322482][ T74] netlink_rcv_skb+0x130/0x360 [ 199.322482][ T74] netlink_unicast+0x449/0x710 [ 199.322482][ T74] netlink_sendmsg+0x723/0xbe0 [ 199.322482][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 199.322482][ T74] ___sys_sendmsg+0xee/0x170 [ 199.322482][ T74] __sys_sendmsg+0xcd/0x170 [ 199.322482][ T74] do_syscall_64+0xc6/0x1e0 [ 199.322482][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 199.322482][ T74] [ 199.325086][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 199.325086][ T74] netdev_get_by_index+0x5e/0x80 [ 199.325086][ T74] fib6_nh_init+0x3d8/0x1580 [ 199.325086][ T74] ip6_route_info_create+0xf18/0x17d0 [ 199.325086][ T74] addrconf_f6i_alloc+0x265/0x560 [ 199.325086][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 199.325086][ T74] addrconf_join_anycast+0x1c0/0x220 [ 199.325086][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 199.325086][ T74] addrconf_dad_completed+0x12b/0xe20 [ 199.325086][ T74] addrconf_dad_begin+0x310/0x670 [ 199.325086][ T74] addrconf_dad_work+0x10b/0xab0 [ 199.325086][ T74] process_one_work+0x84d/0x18a0 [ 199.325086][ T74] worker_thread+0x587/0xd30 [ 199.325086][ T74] kthread+0x28a/0x350 [ 199.325086][ T74] ret_from_fork+0x31/0x70 [ 199.325086][ T74] ret_from_fork_asm+0x1a/0x30 [ 199.325086][ T74] [ 199.328201][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 199.328201][ T74] netdev_get_by_index+0x5e/0x80 [ 199.328201][ T74] fib6_nh_init+0x3d8/0x1580 [ 199.328201][ T74] ip6_route_info_create+0xf18/0x17d0 [ 199.328201][ T74] ip6_route_add+0x1c/0x140 [ 199.328201][ T74] addrconf_prefix_route+0x2a6/0x430 [ 199.328201][ T74] inet6_addr_add+0x4f8/0xa40 [ 199.328201][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 199.328201][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 199.328201][ T74] netlink_rcv_skb+0x130/0x360 [ 199.328201][ T74] netlink_unicast+0x449/0x710 [ 199.328201][ T74] netlink_sendmsg+0x723/0xbe0 [ 199.328201][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 199.328201][ T74] ___sys_sendmsg+0xee/0x170 [ 199.328201][ T74] __sys_sendmsg+0xcd/0x170 [ 199.328201][ T74] do_syscall_64+0xc6/0x1e0 [ 199.328201][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 199.328201][ T74] [ 199.330858][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 199.330858][ T74] netdev_get_by_index+0x5e/0x80 [ 199.330858][ T74] fib6_nh_init+0x3d8/0x1580 [ 199.330858][ T74] ip6_route_info_create+0xf18/0x17d0 [ 199.330858][ T74] addrconf_f6i_alloc+0x315/0x560 [ 199.330858][ T74] ipv6_add_addr+0x411/0x2000 [ 199.330858][ T74] inet6_addr_add+0x30e/0xa40 [ 199.330858][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 199.330858][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 199.330858][ T74] netlink_rcv_skb+0x130/0x360 [ 199.330858][ T74] netlink_unicast+0x449/0x710 [ 199.330858][ T74] netlink_sendmsg+0x723/0xbe0 [ 199.330858][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 199.330858][ T74] ___sys_sendmsg+0xee/0x170 [ 199.330858][ T74] __sys_sendmsg+0xcd/0x170 [ 199.330858][ T74] do_syscall_64+0xc6/0x1e0 [ 199.330858][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 199.330858][ T74] [ 199.333670][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 199.333670][ T74] netdev_get_by_index+0x5e/0x80 [ 199.333670][ T74] fib6_nh_init+0x3d8/0x1580 [ 199.333670][ T74] ip6_route_info_create+0xf18/0x17d0 [ 199.333670][ T74] ip6_route_add+0x1c/0x140 [ 199.333670][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 199.333670][ T74] addrconf_add_dev+0xe2/0x170 [ 199.333670][ T74] inet6_addr_add+0x12f/0xa40 [ 199.333670][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 199.333670][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 199.333670][ T74] netlink_rcv_skb+0x130/0x360 [ 199.333670][ T74] netlink_unicast+0x449/0x710 [ 199.333670][ T74] netlink_sendmsg+0x723/0xbe0 [ 199.333670][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 199.333670][ T74] ___sys_sendmsg+0xee/0x170 [ 199.333670][ T74] __sys_sendmsg+0xcd/0x170 [ 199.333670][ T74] do_syscall_64+0xc6/0x1e0 [ 199.333670][ T74] [ 199.336205][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 199.336205][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 199.336205][ T74] ipv6_find_idev+0x102/0x170 [ 199.336205][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 199.336205][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 199.336205][ T74] netlink_rcv_skb+0x130/0x360 [ 199.336205][ T74] netlink_unicast+0x449/0x710 [ 199.336205][ T74] netlink_sendmsg+0x723/0xbe0 [ 199.336205][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 199.336205][ T74] ___sys_sendmsg+0xee/0x170 [ 199.336205][ T74] __sys_sendmsg+0xcd/0x170 [ 199.336205][ T74] do_syscall_64+0xc6/0x1e0 [ 199.336205][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 199.336205][ T74] [ 199.338158][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 199.338158][ T74] neigh_parms_alloc+0x1e5/0x510 [ 199.338158][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 199.338158][ T74] ipv6_find_idev+0x102/0x170 [ 199.338158][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 199.338158][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 199.338158][ T74] netlink_rcv_skb+0x130/0x360 [ 199.338158][ T74] netlink_unicast+0x449/0x710 [ 199.338158][ T74] netlink_sendmsg+0x723/0xbe0 [ 199.338158][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 199.338158][ T74] ___sys_sendmsg+0xee/0x170 [ 199.338158][ T74] __sys_sendmsg+0xcd/0x170 [ 199.338158][ T74] do_syscall_64+0xc6/0x1e0 [ 199.338158][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 199.338158][ T74] [ 199.340388][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 199.340665][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 199.340665][ T74] netdev_get_by_index+0x5e/0x80 [ 199.340665][ T74] fib6_nh_init+0x3d8/0x1580 [ 199.340665][ T74] ip6_route_info_create+0xf18/0x17d0 [ 199.340665][ T74] ip6_route_add+0x1c/0x140 [ 199.340665][ T74] addrconf_prefix_route+0x2a6/0x430 [ 199.340665][ T74] inet6_addr_add+0x4f8/0xa40 [ 199.340665][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 199.340665][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 199.340665][ T74] netlink_rcv_skb+0x130/0x360 [ 199.340665][ T74] netlink_unicast+0x449/0x710 [ 199.340665][ T74] netlink_sendmsg+0x723/0xbe0 [ 199.340665][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 199.340665][ T74] ___sys_sendmsg+0xee/0x170 [ 199.340665][ T74] __sys_sendmsg+0xcd/0x170 [ 199.340665][ T74] do_syscall_64+0xc6/0x1e0 [ 199.340665][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 199.340665][ T74] [ 199.343126][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 199.343126][ T74] netdev_get_by_index+0x5e/0x80 [ 199.343126][ T74] fib6_nh_init+0x3d8/0x1580 [ 199.343126][ T74] ip6_route_info_create+0xf18/0x17d0 [ 199.343126][ T74] addrconf_f6i_alloc+0x315/0x560 [ 199.343126][ T74] ipv6_add_addr+0x411/0x2000 [ 199.343126][ T74] inet6_addr_add+0x30e/0xa40 [ 199.343126][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 199.343126][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 199.343126][ T74] netlink_rcv_skb+0x130/0x360 [ 199.343126][ T74] netlink_unicast+0x449/0x710 [ 199.343126][ T74] netlink_sendmsg+0x723/0xbe0 [ 199.343126][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 199.343126][ T74] ___sys_sendmsg+0xee/0x170 [ 199.343126][ T74] __sys_sendmsg+0xcd/0x170 [ 199.343126][ T74] do_syscall_64+0xc6/0x1e0 [ 199.343126][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 199.343126][ T74] [ 199.345668][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 199.345668][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 199.345668][ T74] ipv6_find_idev+0x102/0x170 [ 199.345668][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 199.345668][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 199.345668][ T74] netlink_rcv_skb+0x130/0x360 [ 199.345668][ T74] netlink_unicast+0x449/0x710 [ 199.345668][ T74] netlink_sendmsg+0x723/0xbe0 [ 199.345668][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 199.345668][ T74] ___sys_sendmsg+0xee/0x170 [ 199.345668][ T74] __sys_sendmsg+0xcd/0x170 [ 199.345668][ T74] do_syscall_64+0xc6/0x1e0 [ 199.345668][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 199.345668][ T74] [ 199.347654][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 199.347654][ T74] neigh_parms_alloc+0x1e5/0x510 [ 199.347654][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 199.347654][ T74] ipv6_find_idev+0x102/0x170 [ 199.347654][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 199.347654][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 199.347654][ T74] netlink_rcv_skb+0x130/0x360 [ 199.347654][ T74] netlink_unicast+0x449/0x710 [ 199.347654][ T74] netlink_sendmsg+0x723/0xbe0 [ 199.347654][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 199.347654][ T74] ___sys_sendmsg+0xee/0x170 [ 199.347654][ T74] __sys_sendmsg+0xcd/0x170 [ 199.347654][ T74] do_syscall_64+0xc6/0x1e0 [ 199.347654][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 199.347654][ T74] [ 202.837262][ T1376] br0: port 1(vx0) entered blocking state [ 202.837584][ T1376] br0: port 1(vx0) entered disabled state [ 202.837905][ T1376] vx0: entered allmulticast mode [ 202.839314][ T1376] vx0: entered promiscuous mode [ 202.841964][ T1376] br0: port 1(vx0) entered blocking state [ 202.842181][ T1376] br0: port 1(vx0) entered forwarding state [ 208.549458][ T1406] br0: port 1(vx0) entered blocking state [ 208.549693][ T1406] br0: port 1(vx0) entered disabled state [ 208.549889][ T1406] vx0: entered allmulticast mode [ 208.551129][ T1406] vx0: entered promiscuous mode [ 208.553042][ T1406] br0: port 1(vx0) entered blocking state [ 208.553234][ T1406] br0: port 1(vx0) entered forwarding state [ 209.455913][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 209.456370][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 209.456370][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 209.456370][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 209.456370][ T74] fib6_nh_init+0xa22/0x1580 [ 209.456370][ T74] ip6_route_info_create+0xf18/0x17d0 [ 209.456370][ T74] ip6_route_add+0x1c/0x140 [ 209.456370][ T74] inet6_rtm_newroute+0x104/0x110 [ 209.456370][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 209.456370][ T74] netlink_rcv_skb+0x130/0x360 [ 209.456370][ T74] netlink_unicast+0x449/0x710 [ 209.456370][ T74] netlink_sendmsg+0x723/0xbe0 [ 209.456370][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 209.456370][ T74] ___sys_sendmsg+0xee/0x170 [ 209.456370][ T74] __sys_sendmsg+0xcd/0x170 [ 209.456370][ T74] do_syscall_64+0xc6/0x1e0 [ 209.456370][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 209.456370][ T74] [ 209.459072][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 209.459072][ T74] netdev_get_by_index+0x5e/0x80 [ 209.459072][ T74] fib6_nh_init+0x3d8/0x1580 [ 209.459072][ T74] ip6_route_info_create+0xf18/0x17d0 [ 209.459072][ T74] addrconf_f6i_alloc+0x265/0x560 [ 209.459072][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 209.459072][ T74] addrconf_join_anycast+0x1c0/0x220 [ 209.459072][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 209.459072][ T74] addrconf_dad_completed+0x12b/0xe20 [ 209.459072][ T74] addrconf_dad_begin+0x310/0x670 [ 209.459072][ T74] addrconf_dad_work+0x10b/0xab0 [ 209.459072][ T74] process_one_work+0x84d/0x18a0 [ 209.459072][ T74] worker_thread+0x587/0xd30 [ 209.459072][ T74] kthread+0x28a/0x350 [ 209.459072][ T74] ret_from_fork+0x31/0x70 [ 209.459072][ T74] ret_from_fork_asm+0x1a/0x30 [ 209.459072][ T74] [ 209.461232][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 209.461232][ T74] netdev_get_by_index+0x5e/0x80 [ 209.461232][ T74] fib6_nh_init+0x3d8/0x1580 [ 209.461232][ T74] ip6_route_info_create+0xf18/0x17d0 [ 209.461232][ T74] ip6_route_add+0x1c/0x140 [ 209.461232][ T74] addrconf_prefix_route+0x2a6/0x430 [ 209.461232][ T74] inet6_addr_add+0x4f8/0xa40 [ 209.461232][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 209.461232][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 209.461232][ T74] netlink_rcv_skb+0x130/0x360 [ 209.461232][ T74] netlink_unicast+0x449/0x710 [ 209.461232][ T74] netlink_sendmsg+0x723/0xbe0 [ 209.461232][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 209.461232][ T74] ___sys_sendmsg+0xee/0x170 [ 209.461232][ T74] __sys_sendmsg+0xcd/0x170 [ 209.461232][ T74] do_syscall_64+0xc6/0x1e0 [ 209.461232][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 209.461232][ T74] [ 209.463657][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 209.463657][ T74] netdev_get_by_index+0x5e/0x80 [ 209.463657][ T74] fib6_nh_init+0x3d8/0x1580 [ 209.463657][ T74] ip6_route_info_create+0xf18/0x17d0 [ 209.463657][ T74] addrconf_f6i_alloc+0x315/0x560 [ 209.463657][ T74] ipv6_add_addr+0x411/0x2000 [ 209.463657][ T74] inet6_addr_add+0x30e/0xa40 [ 209.463657][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 209.463657][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 209.463657][ T74] netlink_rcv_skb+0x130/0x360 [ 209.463657][ T74] netlink_unicast+0x449/0x710 [ 209.463657][ T74] netlink_sendmsg+0x723/0xbe0 [ 209.463657][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 209.463657][ T74] ___sys_sendmsg+0xee/0x170 [ 209.463657][ T74] __sys_sendmsg+0xcd/0x170 [ 209.463657][ T74] do_syscall_64+0xc6/0x1e0 [ 209.463657][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 209.463657][ T74] [ 209.465886][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 209.465886][ T74] netdev_get_by_index+0x5e/0x80 [ 209.465886][ T74] fib6_nh_init+0x3d8/0x1580 [ 209.465886][ T74] ip6_route_info_create+0xf18/0x17d0 [ 209.465886][ T74] ip6_route_add+0x1c/0x140 [ 209.465886][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 209.465886][ T74] addrconf_add_dev+0xe2/0x170 [ 209.465886][ T74] inet6_addr_add+0x12f/0xa40 [ 209.465886][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 209.465886][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 209.465886][ T74] netlink_rcv_skb+0x130/0x360 [ 209.465886][ T74] netlink_unicast+0x449/0x710 [ 209.465886][ T74] netlink_sendmsg+0x723/0xbe0 [ 209.465886][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 209.465886][ T74] ___sys_sendmsg+0xee/0x170 [ 209.465886][ T74] __sys_sendmsg+0xcd/0x170 [ 209.465886][ T74] do_syscall_64+0xc6/0x1e0 [ 209.465886][ T74] [ 209.468182][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 209.468182][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 209.468182][ T74] ipv6_find_idev+0x102/0x170 [ 209.468182][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 209.468182][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 209.468182][ T74] netlink_rcv_skb+0x130/0x360 [ 209.468182][ T74] netlink_unicast+0x449/0x710 [ 209.468182][ T74] netlink_sendmsg+0x723/0xbe0 [ 209.468182][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 209.468182][ T74] ___sys_sendmsg+0xee/0x170 [ 209.468182][ T74] __sys_sendmsg+0xcd/0x170 [ 209.468182][ T74] do_syscall_64+0xc6/0x1e0 [ 209.468182][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 209.468182][ T74] [ 209.469989][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 209.469989][ T74] neigh_parms_alloc+0x1e5/0x510 [ 209.469989][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 209.469989][ T74] ipv6_find_idev+0x102/0x170 [ 209.469989][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 209.469989][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 209.469989][ T74] netlink_rcv_skb+0x130/0x360 [ 209.469989][ T74] netlink_unicast+0x449/0x710 [ 209.469989][ T74] netlink_sendmsg+0x723/0xbe0 [ 209.469989][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 209.469989][ T74] ___sys_sendmsg+0xee/0x170 [ 209.469989][ T74] __sys_sendmsg+0xcd/0x170 [ 209.469989][ T74] do_syscall_64+0xc6/0x1e0 [ 209.469989][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 209.469989][ T74] [ 209.471833][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 209.472145][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 209.472145][ T74] dst_init+0x84/0x4a0 [ 209.472145][ T74] dst_alloc+0x97/0x150 [ 209.472145][ T74] ip6_dst_alloc+0x23/0x90 [ 209.472145][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 209.472145][ T74] ip6_pol_route+0x56f/0x840 [ 209.472145][ T74] fib6_rule_lookup+0x456/0x630 [ 209.472145][ T74] ip6_route_input+0x59c/0xa50 [ 209.472145][ T74] ipv6_rcv+0x397/0x810 [ 209.472145][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 209.472145][ T74] process_backlog+0x101/0x620 [ 209.472145][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 209.472145][ T74] net_rx_action+0x495/0xbe0 [ 209.472145][ T74] __do_softirq+0x1b5/0x7f6 [ 209.472145][ T74] [ 209.474170][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 209.474170][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 209.474170][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 209.474170][ T74] fib6_nh_init+0xa22/0x1580 [ 209.474170][ T74] ip6_route_info_create+0xf18/0x17d0 [ 209.474170][ T74] ip6_route_add+0x1c/0x140 [ 209.474170][ T74] inet6_rtm_newroute+0x104/0x110 [ 209.474170][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 209.474170][ T74] netlink_rcv_skb+0x130/0x360 [ 209.474170][ T74] netlink_unicast+0x449/0x710 [ 209.474170][ T74] netlink_sendmsg+0x723/0xbe0 [ 209.474170][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 209.474170][ T74] ___sys_sendmsg+0xee/0x170 [ 209.474170][ T74] __sys_sendmsg+0xcd/0x170 [ 209.474170][ T74] do_syscall_64+0xc6/0x1e0 [ 209.474170][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 209.474170][ T74] [ 209.476478][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 209.476478][ T74] netdev_get_by_index+0x5e/0x80 [ 209.476478][ T74] fib6_nh_init+0x3d8/0x1580 [ 209.476478][ T74] ip6_route_info_create+0xf18/0x17d0 [ 209.476478][ T74] addrconf_f6i_alloc+0x265/0x560 [ 209.476478][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 209.476478][ T74] addrconf_join_anycast+0x1c0/0x220 [ 209.476478][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 209.476478][ T74] addrconf_dad_completed+0x12b/0xe20 [ 209.476478][ T74] addrconf_dad_begin+0x310/0x670 [ 209.476478][ T74] addrconf_dad_work+0x10b/0xab0 [ 209.476478][ T74] process_one_work+0x84d/0x18a0 [ 209.476478][ T74] worker_thread+0x587/0xd30 [ 209.476478][ T74] kthread+0x28a/0x350 [ 209.476478][ T74] ret_from_fork+0x31/0x70 [ 209.476478][ T74] ret_from_fork_asm+0x1a/0x30 [ 209.476478][ T74] [ 209.478839][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 209.478839][ T74] netdev_get_by_index+0x5e/0x80 [ 209.478839][ T74] fib6_nh_init+0x3d8/0x1580 [ 209.478839][ T74] ip6_route_info_create+0xf18/0x17d0 [ 209.478839][ T74] ip6_route_add+0x1c/0x140 [ 209.478839][ T74] addrconf_prefix_route+0x2a6/0x430 [ 209.478839][ T74] inet6_addr_add+0x4f8/0xa40 [ 209.478839][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 209.478839][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 209.478839][ T74] netlink_rcv_skb+0x130/0x360 [ 209.478839][ T74] netlink_unicast+0x449/0x710 [ 209.478839][ T74] netlink_sendmsg+0x723/0xbe0 [ 209.478839][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 209.478839][ T74] ___sys_sendmsg+0xee/0x170 [ 209.478839][ T74] __sys_sendmsg+0xcd/0x170 [ 209.478839][ T74] do_syscall_64+0xc6/0x1e0 [ 209.478839][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 209.478839][ T74] [ 209.481237][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 209.481237][ T74] netdev_get_by_index+0x5e/0x80 [ 209.481237][ T74] fib6_nh_init+0x3d8/0x1580 [ 209.481237][ T74] ip6_route_info_create+0xf18/0x17d0 [ 209.481237][ T74] addrconf_f6i_alloc+0x315/0x560 [ 209.481237][ T74] ipv6_add_addr+0x411/0x2000 [ 209.481237][ T74] inet6_addr_add+0x30e/0xa40 [ 209.481237][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 209.481237][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 209.481237][ T74] netlink_rcv_skb+0x130/0x360 [ 209.481237][ T74] netlink_unicast+0x449/0x710 [ 209.481237][ T74] netlink_sendmsg+0x723/0xbe0 [ 209.481237][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 209.481237][ T74] ___sys_sendmsg+0xee/0x170 [ 209.481237][ T74] __sys_sendmsg+0xcd/0x170 [ 209.481237][ T74] do_syscall_64+0xc6/0x1e0 [ 209.481237][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 209.481237][ T74] [ 209.483664][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 209.483664][ T74] netdev_get_by_index+0x5e/0x80 [ 209.483664][ T74] fib6_nh_init+0x3d8/0x1580 [ 209.483664][ T74] ip6_route_info_create+0xf18/0x17d0 [ 209.483664][ T74] ip6_route_add+0x1c/0x140 [ 209.483664][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 209.483664][ T74] addrconf_add_dev+0xe2/0x170 [ 209.483664][ T74] inet6_addr_add+0x12f/0xa40 [ 209.483664][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 209.483664][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 209.483664][ T74] netlink_rcv_skb+0x130/0x360 [ 209.483664][ T74] netlink_unicast+0x449/0x710 [ 209.483664][ T74] netlink_sendmsg+0x723/0xbe0 [ 209.483664][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 209.483664][ T74] ___sys_sendmsg+0xee/0x170 [ 209.483664][ T74] __sys_sendmsg+0xcd/0x170 [ 209.483664][ T74] do_syscall_64+0xc6/0x1e0 [ 209.483664][ T74] [ 209.485973][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 209.485973][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 209.485973][ T74] ipv6_find_idev+0x102/0x170 [ 209.485973][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 209.485973][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 209.485973][ T74] netlink_rcv_skb+0x130/0x360 [ 209.485973][ T74] netlink_unicast+0x449/0x710 [ 209.485973][ T74] netlink_sendmsg+0x723/0xbe0 [ 209.485973][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 209.485973][ T74] ___sys_sendmsg+0xee/0x170 [ 209.485973][ T74] __sys_sendmsg+0xcd/0x170 [ 209.485973][ T74] do_syscall_64+0xc6/0x1e0 [ 209.485973][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 209.485973][ T74] [ 209.487714][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 209.487714][ T74] neigh_parms_alloc+0x1e5/0x510 [ 209.487714][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 209.487714][ T74] ipv6_find_idev+0x102/0x170 [ 209.487714][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 209.487714][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 209.487714][ T74] netlink_rcv_skb+0x130/0x360 [ 209.487714][ T74] netlink_unicast+0x449/0x710 [ 209.487714][ T74] netlink_sendmsg+0x723/0xbe0 [ 209.487714][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 209.487714][ T74] ___sys_sendmsg+0xee/0x170 [ 209.487714][ T74] __sys_sendmsg+0xcd/0x170 [ 209.487714][ T74] do_syscall_64+0xc6/0x1e0 [ 209.487714][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 209.487714][ T74] [ 209.489908][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 209.490172][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 209.490172][ T74] netdev_get_by_index+0x5e/0x80 [ 209.490172][ T74] fib6_nh_init+0x3d8/0x1580 [ 209.490172][ T74] ip6_route_info_create+0xf18/0x17d0 [ 209.490172][ T74] ip6_route_add+0x1c/0x140 [ 209.490172][ T74] addrconf_prefix_route+0x2a6/0x430 [ 209.490172][ T74] inet6_addr_add+0x4f8/0xa40 [ 209.490172][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 209.490172][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 209.490172][ T74] netlink_rcv_skb+0x130/0x360 [ 209.490172][ T74] netlink_unicast+0x449/0x710 [ 209.490172][ T74] netlink_sendmsg+0x723/0xbe0 [ 209.490172][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 209.490172][ T74] ___sys_sendmsg+0xee/0x170 [ 209.490172][ T74] __sys_sendmsg+0xcd/0x170 [ 209.490172][ T74] do_syscall_64+0xc6/0x1e0 [ 209.490172][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 209.490172][ T74] [ 209.492456][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 209.492456][ T74] netdev_get_by_index+0x5e/0x80 [ 209.492456][ T74] fib6_nh_init+0x3d8/0x1580 [ 209.492456][ T74] ip6_route_info_create+0xf18/0x17d0 [ 209.492456][ T74] addrconf_f6i_alloc+0x315/0x560 [ 209.492456][ T74] ipv6_add_addr+0x411/0x2000 [ 209.492456][ T74] inet6_addr_add+0x30e/0xa40 [ 209.492456][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 209.492456][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 209.492456][ T74] netlink_rcv_skb+0x130/0x360 [ 209.492456][ T74] netlink_unicast+0x449/0x710 [ 209.492456][ T74] netlink_sendmsg+0x723/0xbe0 [ 209.492456][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 209.492456][ T74] ___sys_sendmsg+0xee/0x170 [ 209.492456][ T74] __sys_sendmsg+0xcd/0x170 [ 209.492456][ T74] do_syscall_64+0xc6/0x1e0 [ 209.492456][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 209.492456][ T74] [ 209.494709][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 209.494709][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 209.494709][ T74] ipv6_find_idev+0x102/0x170 [ 209.494709][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 209.494709][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 209.494709][ T74] netlink_rcv_skb+0x130/0x360 [ 209.494709][ T74] netlink_unicast+0x449/0x710 [ 209.494709][ T74] netlink_sendmsg+0x723/0xbe0 [ 209.494709][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 209.494709][ T74] ___sys_sendmsg+0xee/0x170 [ 209.494709][ T74] __sys_sendmsg+0xcd/0x170 [ 209.494709][ T74] do_syscall_64+0xc6/0x1e0 [ 209.494709][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 209.494709][ T74] [ 209.496363][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 209.496363][ T74] neigh_parms_alloc+0x1e5/0x510 [ 209.496363][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 209.496363][ T74] ipv6_find_idev+0x102/0x170 [ 209.496363][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 209.496363][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 209.496363][ T74] netlink_rcv_skb+0x130/0x360 [ 209.496363][ T74] netlink_unicast+0x449/0x710 [ 209.496363][ T74] netlink_sendmsg+0x723/0xbe0 [ 209.496363][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 209.496363][ T74] ___sys_sendmsg+0xee/0x170 [ 209.496363][ T74] __sys_sendmsg+0xcd/0x170 [ 209.496363][ T74] do_syscall_64+0xc6/0x1e0 [ 209.496363][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 209.496363][ T74] [ 212.931362][ T1437] veth0: renamed from veth1 [ 217.001705][ T1464] br0: port 1(vx0) entered blocking state [ 217.002345][ T1464] br0: port 1(vx0) entered disabled state [ 217.002531][ T1464] vx0: entered allmulticast mode [ 217.003764][ T1464] vx0: entered promiscuous mode [ 217.005663][ T1464] br0: port 1(vx0) entered blocking state [ 217.005876][ T1464] br0: port 1(vx0) entered forwarding state [ 219.631868][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 219.632181][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 219.632181][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 219.632181][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 219.632181][ T74] fib6_nh_init+0xa22/0x1580 [ 219.632181][ T74] ip6_route_info_create+0xf18/0x17d0 [ 219.632181][ T74] ip6_route_add+0x1c/0x140 [ 219.632181][ T74] inet6_rtm_newroute+0x104/0x110 [ 219.632181][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 219.632181][ T74] netlink_rcv_skb+0x130/0x360 [ 219.632181][ T74] netlink_unicast+0x449/0x710 [ 219.632181][ T74] netlink_sendmsg+0x723/0xbe0 [ 219.632181][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 219.632181][ T74] ___sys_sendmsg+0xee/0x170 [ 219.632181][ T74] __sys_sendmsg+0xcd/0x170 [ 219.632181][ T74] do_syscall_64+0xc6/0x1e0 [ 219.632181][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 219.632181][ T74] [ 219.634208][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 219.634208][ T74] netdev_get_by_index+0x5e/0x80 [ 219.634208][ T74] fib6_nh_init+0x3d8/0x1580 [ 219.634208][ T74] ip6_route_info_create+0xf18/0x17d0 [ 219.634208][ T74] addrconf_f6i_alloc+0x265/0x560 [ 219.634208][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 219.634208][ T74] addrconf_join_anycast+0x1c0/0x220 [ 219.634208][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 219.634208][ T74] addrconf_dad_completed+0x12b/0xe20 [ 219.634208][ T74] addrconf_dad_begin+0x310/0x670 [ 219.634208][ T74] addrconf_dad_work+0x10b/0xab0 [ 219.634208][ T74] process_one_work+0x84d/0x18a0 [ 219.634208][ T74] worker_thread+0x587/0xd30 [ 219.634208][ T74] kthread+0x28a/0x350 [ 219.634208][ T74] ret_from_fork+0x31/0x70 [ 219.634208][ T74] ret_from_fork_asm+0x1a/0x30 [ 219.634208][ T74] [ 219.636180][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 219.636180][ T74] netdev_get_by_index+0x5e/0x80 [ 219.636180][ T74] fib6_nh_init+0x3d8/0x1580 [ 219.636180][ T74] ip6_route_info_create+0xf18/0x17d0 [ 219.636180][ T74] ip6_route_add+0x1c/0x140 [ 219.636180][ T74] addrconf_prefix_route+0x2a6/0x430 [ 219.636180][ T74] inet6_addr_add+0x4f8/0xa40 [ 219.636180][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 219.636180][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 219.636180][ T74] netlink_rcv_skb+0x130/0x360 [ 219.636180][ T74] netlink_unicast+0x449/0x710 [ 219.636180][ T74] netlink_sendmsg+0x723/0xbe0 [ 219.636180][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 219.636180][ T74] ___sys_sendmsg+0xee/0x170 [ 219.636180][ T74] __sys_sendmsg+0xcd/0x170 [ 219.636180][ T74] do_syscall_64+0xc6/0x1e0 [ 219.636180][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 219.636180][ T74] [ 219.638226][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 219.638226][ T74] netdev_get_by_index+0x5e/0x80 [ 219.638226][ T74] fib6_nh_init+0x3d8/0x1580 [ 219.638226][ T74] ip6_route_info_create+0xf18/0x17d0 [ 219.638226][ T74] addrconf_f6i_alloc+0x315/0x560 [ 219.638226][ T74] ipv6_add_addr+0x411/0x2000 [ 219.638226][ T74] inet6_addr_add+0x30e/0xa40 [ 219.638226][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 219.638226][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 219.638226][ T74] netlink_rcv_skb+0x130/0x360 [ 219.638226][ T74] netlink_unicast+0x449/0x710 [ 219.638226][ T74] netlink_sendmsg+0x723/0xbe0 [ 219.638226][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 219.638226][ T74] ___sys_sendmsg+0xee/0x170 [ 219.638226][ T74] __sys_sendmsg+0xcd/0x170 [ 219.638226][ T74] do_syscall_64+0xc6/0x1e0 [ 219.638226][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 219.638226][ T74] [ 219.640248][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 219.640248][ T74] netdev_get_by_index+0x5e/0x80 [ 219.640248][ T74] fib6_nh_init+0x3d8/0x1580 [ 219.640248][ T74] ip6_route_info_create+0xf18/0x17d0 [ 219.640248][ T74] ip6_route_add+0x1c/0x140 [ 219.640248][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 219.640248][ T74] addrconf_add_dev+0xe2/0x170 [ 219.640248][ T74] inet6_addr_add+0x12f/0xa40 [ 219.640248][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 219.640248][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 219.640248][ T74] netlink_rcv_skb+0x130/0x360 [ 219.640248][ T74] netlink_unicast+0x449/0x710 [ 219.640248][ T74] netlink_sendmsg+0x723/0xbe0 [ 219.640248][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 219.640248][ T74] ___sys_sendmsg+0xee/0x170 [ 219.640248][ T74] __sys_sendmsg+0xcd/0x170 [ 219.640248][ T74] do_syscall_64+0xc6/0x1e0 [ 219.640248][ T74] [ 219.642269][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 219.642269][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 219.642269][ T74] ipv6_find_idev+0x102/0x170 [ 219.642269][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 219.642269][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 219.642269][ T74] netlink_rcv_skb+0x130/0x360 [ 219.642269][ T74] netlink_unicast+0x449/0x710 [ 219.642269][ T74] netlink_sendmsg+0x723/0xbe0 [ 219.642269][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 219.642269][ T74] ___sys_sendmsg+0xee/0x170 [ 219.642269][ T74] __sys_sendmsg+0xcd/0x170 [ 219.642269][ T74] do_syscall_64+0xc6/0x1e0 [ 219.642269][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 219.642269][ T74] [ 219.643847][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 219.643847][ T74] neigh_parms_alloc+0x1e5/0x510 [ 219.643847][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 219.643847][ T74] ipv6_find_idev+0x102/0x170 [ 219.643847][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 219.643847][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 219.643847][ T74] netlink_rcv_skb+0x130/0x360 [ 219.643847][ T74] netlink_unicast+0x449/0x710 [ 219.643847][ T74] netlink_sendmsg+0x723/0xbe0 [ 219.643847][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 219.643847][ T74] ___sys_sendmsg+0xee/0x170 [ 219.643847][ T74] __sys_sendmsg+0xcd/0x170 [ 219.643847][ T74] do_syscall_64+0xc6/0x1e0 [ 219.643847][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 219.643847][ T74] [ 219.645644][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 219.645982][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 219.645982][ T74] dst_init+0x84/0x4a0 [ 219.645982][ T74] dst_alloc+0x97/0x150 [ 219.645982][ T74] ip6_dst_alloc+0x23/0x90 [ 219.645982][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 219.645982][ T74] ip6_pol_route+0x56f/0x840 [ 219.645982][ T74] fib6_rule_lookup+0x456/0x630 [ 219.645982][ T74] ip6_route_input+0x59c/0xa50 [ 219.645982][ T74] ipv6_rcv+0x397/0x810 [ 219.645982][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 219.645982][ T74] process_backlog+0x101/0x620 [ 219.645982][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 219.645982][ T74] net_rx_action+0x495/0xbe0 [ 219.645982][ T74] __do_softirq+0x1b5/0x7f6 [ 219.645982][ T74] [ 219.647650][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 219.647650][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 219.647650][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 219.647650][ T74] fib6_nh_init+0xa22/0x1580 [ 219.647650][ T74] ip6_route_info_create+0xf18/0x17d0 [ 219.647650][ T74] ip6_route_add+0x1c/0x140 [ 219.647650][ T74] inet6_rtm_newroute+0x104/0x110 [ 219.647650][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 219.647650][ T74] netlink_rcv_skb+0x130/0x360 [ 219.647650][ T74] netlink_unicast+0x449/0x710 [ 219.647650][ T74] netlink_sendmsg+0x723/0xbe0 [ 219.647650][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 219.647650][ T74] ___sys_sendmsg+0xee/0x170 [ 219.647650][ T74] __sys_sendmsg+0xcd/0x170 [ 219.647650][ T74] do_syscall_64+0xc6/0x1e0 [ 219.647650][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 219.647650][ T74] [ 219.649560][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 219.649560][ T74] netdev_get_by_index+0x5e/0x80 [ 219.649560][ T74] fib6_nh_init+0x3d8/0x1580 [ 219.649560][ T74] ip6_route_info_create+0xf18/0x17d0 [ 219.649560][ T74] addrconf_f6i_alloc+0x265/0x560 [ 219.649560][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 219.649560][ T74] addrconf_join_anycast+0x1c0/0x220 [ 219.649560][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 219.649560][ T74] addrconf_dad_completed+0x12b/0xe20 [ 219.649560][ T74] addrconf_dad_begin+0x310/0x670 [ 219.649560][ T74] addrconf_dad_work+0x10b/0xab0 [ 219.649560][ T74] process_one_work+0x84d/0x18a0 [ 219.649560][ T74] worker_thread+0x587/0xd30 [ 219.649560][ T74] kthread+0x28a/0x350 [ 219.649560][ T74] ret_from_fork+0x31/0x70 [ 219.649560][ T74] ret_from_fork_asm+0x1a/0x30 [ 219.649560][ T74] [ 219.651541][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 219.651541][ T74] netdev_get_by_index+0x5e/0x80 [ 219.651541][ T74] fib6_nh_init+0x3d8/0x1580 [ 219.651541][ T74] ip6_route_info_create+0xf18/0x17d0 [ 219.651541][ T74] ip6_route_add+0x1c/0x140 [ 219.651541][ T74] addrconf_prefix_route+0x2a6/0x430 [ 219.651541][ T74] inet6_addr_add+0x4f8/0xa40 [ 219.651541][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 219.651541][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 219.651541][ T74] netlink_rcv_skb+0x130/0x360 [ 219.651541][ T74] netlink_unicast+0x449/0x710 [ 219.651541][ T74] netlink_sendmsg+0x723/0xbe0 [ 219.651541][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 219.651541][ T74] ___sys_sendmsg+0xee/0x170 [ 219.651541][ T74] __sys_sendmsg+0xcd/0x170 [ 219.651541][ T74] do_syscall_64+0xc6/0x1e0 [ 219.651541][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 219.651541][ T74] [ 219.653605][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 219.653605][ T74] netdev_get_by_index+0x5e/0x80 [ 219.653605][ T74] fib6_nh_init+0x3d8/0x1580 [ 219.653605][ T74] ip6_route_info_create+0xf18/0x17d0 [ 219.653605][ T74] addrconf_f6i_alloc+0x315/0x560 [ 219.653605][ T74] ipv6_add_addr+0x411/0x2000 [ 219.653605][ T74] inet6_addr_add+0x30e/0xa40 [ 219.653605][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 219.653605][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 219.653605][ T74] netlink_rcv_skb+0x130/0x360 [ 219.653605][ T74] netlink_unicast+0x449/0x710 [ 219.653605][ T74] netlink_sendmsg+0x723/0xbe0 [ 219.653605][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 219.653605][ T74] ___sys_sendmsg+0xee/0x170 [ 219.653605][ T74] __sys_sendmsg+0xcd/0x170 [ 219.653605][ T74] do_syscall_64+0xc6/0x1e0 [ 219.653605][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 219.653605][ T74] [ 219.655820][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 219.655820][ T74] netdev_get_by_index+0x5e/0x80 [ 219.655820][ T74] fib6_nh_init+0x3d8/0x1580 [ 219.655820][ T74] ip6_route_info_create+0xf18/0x17d0 [ 219.655820][ T74] ip6_route_add+0x1c/0x140 [ 219.655820][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 219.655820][ T74] addrconf_add_dev+0xe2/0x170 [ 219.655820][ T74] inet6_addr_add+0x12f/0xa40 [ 219.655820][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 219.655820][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 219.655820][ T74] netlink_rcv_skb+0x130/0x360 [ 219.655820][ T74] netlink_unicast+0x449/0x710 [ 219.655820][ T74] netlink_sendmsg+0x723/0xbe0 [ 219.655820][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 219.655820][ T74] ___sys_sendmsg+0xee/0x170 [ 219.655820][ T74] __sys_sendmsg+0xcd/0x170 [ 219.655820][ T74] do_syscall_64+0xc6/0x1e0 [ 219.655820][ T74] [ 219.657992][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 219.657992][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 219.657992][ T74] ipv6_find_idev+0x102/0x170 [ 219.657992][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 219.657992][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 219.657992][ T74] netlink_rcv_skb+0x130/0x360 [ 219.657992][ T74] netlink_unicast+0x449/0x710 [ 219.657992][ T74] netlink_sendmsg+0x723/0xbe0 [ 219.657992][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 219.657992][ T74] ___sys_sendmsg+0xee/0x170 [ 219.657992][ T74] __sys_sendmsg+0xcd/0x170 [ 219.657992][ T74] do_syscall_64+0xc6/0x1e0 [ 219.657992][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 219.657992][ T74] [ 219.659740][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 219.659740][ T74] neigh_parms_alloc+0x1e5/0x510 [ 219.659740][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 219.659740][ T74] ipv6_find_idev+0x102/0x170 [ 219.659740][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 219.659740][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 219.659740][ T74] netlink_rcv_skb+0x130/0x360 [ 219.659740][ T74] netlink_unicast+0x449/0x710 [ 219.659740][ T74] netlink_sendmsg+0x723/0xbe0 [ 219.659740][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 219.659740][ T74] ___sys_sendmsg+0xee/0x170 [ 219.659740][ T74] __sys_sendmsg+0xcd/0x170 [ 219.659740][ T74] do_syscall_64+0xc6/0x1e0 [ 219.659740][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 219.659740][ T74] [ 219.661635][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 219.661914][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 219.661914][ T74] netdev_get_by_index+0x5e/0x80 [ 219.661914][ T74] fib6_nh_init+0x3d8/0x1580 [ 219.661914][ T74] ip6_route_info_create+0xf18/0x17d0 [ 219.661914][ T74] ip6_route_add+0x1c/0x140 [ 219.661914][ T74] addrconf_prefix_route+0x2a6/0x430 [ 219.661914][ T74] inet6_addr_add+0x4f8/0xa40 [ 219.661914][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 219.661914][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 219.661914][ T74] netlink_rcv_skb+0x130/0x360 [ 219.661914][ T74] netlink_unicast+0x449/0x710 [ 219.661914][ T74] netlink_sendmsg+0x723/0xbe0 [ 219.661914][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 219.661914][ T74] ___sys_sendmsg+0xee/0x170 [ 219.661914][ T74] __sys_sendmsg+0xcd/0x170 [ 219.661914][ T74] do_syscall_64+0xc6/0x1e0 [ 219.661914][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 219.661914][ T74] [ 219.664151][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 219.664151][ T74] netdev_get_by_index+0x5e/0x80 [ 219.664151][ T74] fib6_nh_init+0x3d8/0x1580 [ 219.664151][ T74] ip6_route_info_create+0xf18/0x17d0 [ 219.664151][ T74] addrconf_f6i_alloc+0x315/0x560 [ 219.664151][ T74] ipv6_add_addr+0x411/0x2000 [ 219.664151][ T74] inet6_addr_add+0x30e/0xa40 [ 219.664151][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 219.664151][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 219.664151][ T74] netlink_rcv_skb+0x130/0x360 [ 219.664151][ T74] netlink_unicast+0x449/0x710 [ 219.664151][ T74] netlink_sendmsg+0x723/0xbe0 [ 219.664151][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 219.664151][ T74] ___sys_sendmsg+0xee/0x170 [ 219.664151][ T74] __sys_sendmsg+0xcd/0x170 [ 219.664151][ T74] do_syscall_64+0xc6/0x1e0 [ 219.664151][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 219.664151][ T74] [ 219.666290][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 219.666290][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 219.666290][ T74] ipv6_find_idev+0x102/0x170 [ 219.666290][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 219.666290][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 219.666290][ T74] netlink_rcv_skb+0x130/0x360 [ 219.666290][ T74] netlink_unicast+0x449/0x710 [ 219.666290][ T74] netlink_sendmsg+0x723/0xbe0 [ 219.666290][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 219.666290][ T74] ___sys_sendmsg+0xee/0x170 [ 219.666290][ T74] __sys_sendmsg+0xcd/0x170 [ 219.666290][ T74] do_syscall_64+0xc6/0x1e0 [ 219.666290][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 219.666290][ T74] [ 219.668065][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 219.668065][ T74] neigh_parms_alloc+0x1e5/0x510 [ 219.668065][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 219.668065][ T74] ipv6_find_idev+0x102/0x170 [ 219.668065][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 219.668065][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 219.668065][ T74] netlink_rcv_skb+0x130/0x360 [ 219.668065][ T74] netlink_unicast+0x449/0x710 [ 219.668065][ T74] netlink_sendmsg+0x723/0xbe0 [ 219.668065][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 219.668065][ T74] ___sys_sendmsg+0xee/0x170 [ 219.668065][ T74] __sys_sendmsg+0xcd/0x170 [ 219.668065][ T74] do_syscall_64+0xc6/0x1e0 [ 219.668065][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 219.668065][ T74] [ 222.617761][ T1494] br0: port 1(vx0) entered blocking state [ 222.618100][ T1494] br0: port 1(vx0) entered disabled state [ 222.618306][ T1494] vx0: entered allmulticast mode [ 222.619538][ T1494] vx0: entered promiscuous mode [ 222.621410][ T1494] br0: port 1(vx0) entered blocking state [ 222.621599][ T1494] br0: port 1(vx0) entered forwarding state [ 229.847953][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 229.848354][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 229.848354][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 229.848354][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 229.848354][ T74] fib6_nh_init+0xa22/0x1580 [ 229.848354][ T74] ip6_route_info_create+0xf18/0x17d0 [ 229.848354][ T74] ip6_route_add+0x1c/0x140 [ 229.848354][ T74] inet6_rtm_newroute+0x104/0x110 [ 229.848354][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 229.848354][ T74] netlink_rcv_skb+0x130/0x360 [ 229.848354][ T74] netlink_unicast+0x449/0x710 [ 229.848354][ T74] netlink_sendmsg+0x723/0xbe0 [ 229.848354][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 229.848354][ T74] ___sys_sendmsg+0xee/0x170 [ 229.848354][ T74] __sys_sendmsg+0xcd/0x170 [ 229.848354][ T74] do_syscall_64+0xc6/0x1e0 [ 229.848354][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 229.848354][ T74] [ 229.850461][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 229.850461][ T74] netdev_get_by_index+0x5e/0x80 [ 229.850461][ T74] fib6_nh_init+0x3d8/0x1580 [ 229.850461][ T74] ip6_route_info_create+0xf18/0x17d0 [ 229.850461][ T74] addrconf_f6i_alloc+0x265/0x560 [ 229.850461][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 229.850461][ T74] addrconf_join_anycast+0x1c0/0x220 [ 229.850461][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 229.850461][ T74] addrconf_dad_completed+0x12b/0xe20 [ 229.850461][ T74] addrconf_dad_begin+0x310/0x670 [ 229.850461][ T74] addrconf_dad_work+0x10b/0xab0 [ 229.850461][ T74] process_one_work+0x84d/0x18a0 [ 229.850461][ T74] worker_thread+0x587/0xd30 [ 229.850461][ T74] kthread+0x28a/0x350 [ 229.850461][ T74] ret_from_fork+0x31/0x70 [ 229.850461][ T74] ret_from_fork_asm+0x1a/0x30 [ 229.850461][ T74] [ 229.852560][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 229.852560][ T74] netdev_get_by_index+0x5e/0x80 [ 229.852560][ T74] fib6_nh_init+0x3d8/0x1580 [ 229.852560][ T74] ip6_route_info_create+0xf18/0x17d0 [ 229.852560][ T74] ip6_route_add+0x1c/0x140 [ 229.852560][ T74] addrconf_prefix_route+0x2a6/0x430 [ 229.852560][ T74] inet6_addr_add+0x4f8/0xa40 [ 229.852560][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 229.852560][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 229.852560][ T74] netlink_rcv_skb+0x130/0x360 [ 229.852560][ T74] netlink_unicast+0x449/0x710 [ 229.852560][ T74] netlink_sendmsg+0x723/0xbe0 [ 229.852560][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 229.852560][ T74] ___sys_sendmsg+0xee/0x170 [ 229.852560][ T74] __sys_sendmsg+0xcd/0x170 [ 229.852560][ T74] do_syscall_64+0xc6/0x1e0 [ 229.852560][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 229.852560][ T74] [ 229.854722][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 229.854722][ T74] netdev_get_by_index+0x5e/0x80 [ 229.854722][ T74] fib6_nh_init+0x3d8/0x1580 [ 229.854722][ T74] ip6_route_info_create+0xf18/0x17d0 [ 229.854722][ T74] addrconf_f6i_alloc+0x315/0x560 [ 229.854722][ T74] ipv6_add_addr+0x411/0x2000 [ 229.854722][ T74] inet6_addr_add+0x30e/0xa40 [ 229.854722][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 229.854722][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 229.854722][ T74] netlink_rcv_skb+0x130/0x360 [ 229.854722][ T74] netlink_unicast+0x449/0x710 [ 229.854722][ T74] netlink_sendmsg+0x723/0xbe0 [ 229.854722][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 229.854722][ T74] ___sys_sendmsg+0xee/0x170 [ 229.854722][ T74] __sys_sendmsg+0xcd/0x170 [ 229.854722][ T74] do_syscall_64+0xc6/0x1e0 [ 229.854722][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 229.854722][ T74] [ 229.856905][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 229.856905][ T74] netdev_get_by_index+0x5e/0x80 [ 229.856905][ T74] fib6_nh_init+0x3d8/0x1580 [ 229.856905][ T74] ip6_route_info_create+0xf18/0x17d0 [ 229.856905][ T74] ip6_route_add+0x1c/0x140 [ 229.856905][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 229.856905][ T74] addrconf_add_dev+0xe2/0x170 [ 229.856905][ T74] inet6_addr_add+0x12f/0xa40 [ 229.856905][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 229.856905][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 229.856905][ T74] netlink_rcv_skb+0x130/0x360 [ 229.856905][ T74] netlink_unicast+0x449/0x710 [ 229.856905][ T74] netlink_sendmsg+0x723/0xbe0 [ 229.856905][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 229.856905][ T74] ___sys_sendmsg+0xee/0x170 [ 229.856905][ T74] __sys_sendmsg+0xcd/0x170 [ 229.856905][ T74] do_syscall_64+0xc6/0x1e0 [ 229.856905][ T74] [ 229.858940][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 229.858940][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 229.858940][ T74] ipv6_find_idev+0x102/0x170 [ 229.858940][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 229.858940][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 229.858940][ T74] netlink_rcv_skb+0x130/0x360 [ 229.858940][ T74] netlink_unicast+0x449/0x710 [ 229.858940][ T74] netlink_sendmsg+0x723/0xbe0 [ 229.858940][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 229.858940][ T74] ___sys_sendmsg+0xee/0x170 [ 229.858940][ T74] __sys_sendmsg+0xcd/0x170 [ 229.858940][ T74] do_syscall_64+0xc6/0x1e0 [ 229.858940][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 229.858940][ T74] [ 229.860536][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 229.860536][ T74] neigh_parms_alloc+0x1e5/0x510 [ 229.860536][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 229.860536][ T74] ipv6_find_idev+0x102/0x170 [ 229.860536][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 229.860536][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 229.860536][ T74] netlink_rcv_skb+0x130/0x360 [ 229.860536][ T74] netlink_unicast+0x449/0x710 [ 229.860536][ T74] netlink_sendmsg+0x723/0xbe0 [ 229.860536][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 229.860536][ T74] ___sys_sendmsg+0xee/0x170 [ 229.860536][ T74] __sys_sendmsg+0xcd/0x170 [ 229.860536][ T74] do_syscall_64+0xc6/0x1e0 [ 229.860536][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 229.860536][ T74] [ 229.862348][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 229.862649][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 229.862649][ T74] dst_init+0x84/0x4a0 [ 229.862649][ T74] dst_alloc+0x97/0x150 [ 229.862649][ T74] ip6_dst_alloc+0x23/0x90 [ 229.862649][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 229.862649][ T74] ip6_pol_route+0x56f/0x840 [ 229.862649][ T74] fib6_rule_lookup+0x456/0x630 [ 229.862649][ T74] ip6_route_input+0x59c/0xa50 [ 229.862649][ T74] ipv6_rcv+0x397/0x810 [ 229.862649][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 229.862649][ T74] process_backlog+0x101/0x620 [ 229.862649][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 229.862649][ T74] net_rx_action+0x495/0xbe0 [ 229.862649][ T74] __do_softirq+0x1b5/0x7f6 [ 229.862649][ T74] [ 229.864424][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 229.864424][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 229.864424][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 229.864424][ T74] fib6_nh_init+0xa22/0x1580 [ 229.864424][ T74] ip6_route_info_create+0xf18/0x17d0 [ 229.864424][ T74] ip6_route_add+0x1c/0x140 [ 229.864424][ T74] inet6_rtm_newroute+0x104/0x110 [ 229.864424][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 229.864424][ T74] netlink_rcv_skb+0x130/0x360 [ 229.864424][ T74] netlink_unicast+0x449/0x710 [ 229.864424][ T74] netlink_sendmsg+0x723/0xbe0 [ 229.864424][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 229.864424][ T74] ___sys_sendmsg+0xee/0x170 [ 229.864424][ T74] __sys_sendmsg+0xcd/0x170 [ 229.864424][ T74] do_syscall_64+0xc6/0x1e0 [ 229.864424][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 229.864424][ T74] [ 229.866457][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 229.866457][ T74] netdev_get_by_index+0x5e/0x80 [ 229.866457][ T74] fib6_nh_init+0x3d8/0x1580 [ 229.866457][ T74] ip6_route_info_create+0xf18/0x17d0 [ 229.866457][ T74] addrconf_f6i_alloc+0x265/0x560 [ 229.866457][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 229.866457][ T74] addrconf_join_anycast+0x1c0/0x220 [ 229.866457][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 229.866457][ T74] addrconf_dad_completed+0x12b/0xe20 [ 229.866457][ T74] addrconf_dad_begin+0x310/0x670 [ 229.866457][ T74] addrconf_dad_work+0x10b/0xab0 [ 229.866457][ T74] process_one_work+0x84d/0x18a0 [ 229.866457][ T74] worker_thread+0x587/0xd30 [ 229.866457][ T74] kthread+0x28a/0x350 [ 229.866457][ T74] ret_from_fork+0x31/0x70 [ 229.866457][ T74] ret_from_fork_asm+0x1a/0x30 [ 229.866457][ T74] [ 229.868537][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 229.868537][ T74] netdev_get_by_index+0x5e/0x80 [ 229.868537][ T74] fib6_nh_init+0x3d8/0x1580 [ 229.868537][ T74] ip6_route_info_create+0xf18/0x17d0 [ 229.868537][ T74] ip6_route_add+0x1c/0x140 [ 229.868537][ T74] addrconf_prefix_route+0x2a6/0x430 [ 229.868537][ T74] inet6_addr_add+0x4f8/0xa40 [ 229.868537][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 229.868537][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 229.868537][ T74] netlink_rcv_skb+0x130/0x360 [ 229.868537][ T74] netlink_unicast+0x449/0x710 [ 229.868537][ T74] netlink_sendmsg+0x723/0xbe0 [ 229.868537][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 229.868537][ T74] ___sys_sendmsg+0xee/0x170 [ 229.868537][ T74] __sys_sendmsg+0xcd/0x170 [ 229.868537][ T74] do_syscall_64+0xc6/0x1e0 [ 229.868537][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 229.868537][ T74] [ 229.870619][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 229.870619][ T74] netdev_get_by_index+0x5e/0x80 [ 229.870619][ T74] fib6_nh_init+0x3d8/0x1580 [ 229.870619][ T74] ip6_route_info_create+0xf18/0x17d0 [ 229.870619][ T74] addrconf_f6i_alloc+0x315/0x560 [ 229.870619][ T74] ipv6_add_addr+0x411/0x2000 [ 229.870619][ T74] inet6_addr_add+0x30e/0xa40 [ 229.870619][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 229.870619][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 229.870619][ T74] netlink_rcv_skb+0x130/0x360 [ 229.870619][ T74] netlink_unicast+0x449/0x710 [ 229.870619][ T74] netlink_sendmsg+0x723/0xbe0 [ 229.870619][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 229.870619][ T74] ___sys_sendmsg+0xee/0x170 [ 229.870619][ T74] __sys_sendmsg+0xcd/0x170 [ 229.870619][ T74] do_syscall_64+0xc6/0x1e0 [ 229.870619][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 229.870619][ T74] [ 229.872710][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 229.872710][ T74] netdev_get_by_index+0x5e/0x80 [ 229.872710][ T74] fib6_nh_init+0x3d8/0x1580 [ 229.872710][ T74] ip6_route_info_create+0xf18/0x17d0 [ 229.872710][ T74] ip6_route_add+0x1c/0x140 [ 229.872710][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 229.872710][ T74] addrconf_add_dev+0xe2/0x170 [ 229.872710][ T74] inet6_addr_add+0x12f/0xa40 [ 229.872710][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 229.872710][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 229.872710][ T74] netlink_rcv_skb+0x130/0x360 [ 229.872710][ T74] netlink_unicast+0x449/0x710 [ 229.872710][ T74] netlink_sendmsg+0x723/0xbe0 [ 229.872710][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 229.872710][ T74] ___sys_sendmsg+0xee/0x170 [ 229.872710][ T74] __sys_sendmsg+0xcd/0x170 [ 229.872710][ T74] do_syscall_64+0xc6/0x1e0 [ 229.872710][ T74] [ 229.874845][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 229.874845][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 229.874845][ T74] ipv6_find_idev+0x102/0x170 [ 229.874845][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 229.874845][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 229.874845][ T74] netlink_rcv_skb+0x130/0x360 [ 229.874845][ T74] netlink_unicast+0x449/0x710 [ 229.874845][ T74] netlink_sendmsg+0x723/0xbe0 [ 229.874845][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 229.874845][ T74] ___sys_sendmsg+0xee/0x170 [ 229.874845][ T74] __sys_sendmsg+0xcd/0x170 [ 229.874845][ T74] do_syscall_64+0xc6/0x1e0 [ 229.874845][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 229.874845][ T74] [ 229.876741][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 229.876741][ T74] neigh_parms_alloc+0x1e5/0x510 [ 229.876741][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 229.876741][ T74] ipv6_find_idev+0x102/0x170 [ 229.876741][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 229.876741][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 229.876741][ T74] netlink_rcv_skb+0x130/0x360 [ 229.876741][ T74] netlink_unicast+0x449/0x710 [ 229.876741][ T74] netlink_sendmsg+0x723/0xbe0 [ 229.876741][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 229.876741][ T74] ___sys_sendmsg+0xee/0x170 [ 229.876741][ T74] __sys_sendmsg+0xcd/0x170 [ 229.876741][ T74] do_syscall_64+0xc6/0x1e0 [ 229.876741][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 229.876741][ T74] [ 229.878898][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 229.879175][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 229.879175][ T74] netdev_get_by_index+0x5e/0x80 [ 229.879175][ T74] fib6_nh_init+0x3d8/0x1580 [ 229.879175][ T74] ip6_route_info_create+0xf18/0x17d0 [ 229.879175][ T74] ip6_route_add+0x1c/0x140 [ 229.879175][ T74] addrconf_prefix_route+0x2a6/0x430 [ 229.879175][ T74] inet6_addr_add+0x4f8/0xa40 [ 229.879175][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 229.879175][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 229.879175][ T74] netlink_rcv_skb+0x130/0x360 [ 229.879175][ T74] netlink_unicast+0x449/0x710 [ 229.879175][ T74] netlink_sendmsg+0x723/0xbe0 [ 229.879175][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 229.879175][ T74] ___sys_sendmsg+0xee/0x170 [ 229.879175][ T74] __sys_sendmsg+0xcd/0x170 [ 229.879175][ T74] do_syscall_64+0xc6/0x1e0 [ 229.879175][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 229.879175][ T74] [ 229.881567][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 229.881567][ T74] netdev_get_by_index+0x5e/0x80 [ 229.881567][ T74] fib6_nh_init+0x3d8/0x1580 [ 229.881567][ T74] ip6_route_info_create+0xf18/0x17d0 [ 229.881567][ T74] addrconf_f6i_alloc+0x315/0x560 [ 229.881567][ T74] ipv6_add_addr+0x411/0x2000 [ 229.881567][ T74] inet6_addr_add+0x30e/0xa40 [ 229.881567][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 229.881567][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 229.881567][ T74] netlink_rcv_skb+0x130/0x360 [ 229.881567][ T74] netlink_unicast+0x449/0x710 [ 229.881567][ T74] netlink_sendmsg+0x723/0xbe0 [ 229.881567][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 229.881567][ T74] ___sys_sendmsg+0xee/0x170 [ 229.881567][ T74] __sys_sendmsg+0xcd/0x170 [ 229.881567][ T74] do_syscall_64+0xc6/0x1e0 [ 229.881567][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 229.881567][ T74] [ 229.883878][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 229.883878][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 229.883878][ T74] ipv6_find_idev+0x102/0x170 [ 229.883878][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 229.883878][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 229.883878][ T74] netlink_rcv_skb+0x130/0x360 [ 229.883878][ T74] netlink_unicast+0x449/0x710 [ 229.883878][ T74] netlink_sendmsg+0x723/0xbe0 [ 229.883878][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 229.883878][ T74] ___sys_sendmsg+0xee/0x170 [ 229.883878][ T74] __sys_sendmsg+0xcd/0x170 [ 229.883878][ T74] do_syscall_64+0xc6/0x1e0 [ 229.883878][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 229.883878][ T74] [ 229.885579][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 229.885579][ T74] neigh_parms_alloc+0x1e5/0x510 [ 229.885579][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 229.885579][ T74] ipv6_find_idev+0x102/0x170 [ 229.885579][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 229.885579][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 229.885579][ T74] netlink_rcv_skb+0x130/0x360 [ 229.885579][ T74] netlink_unicast+0x449/0x710 [ 229.885579][ T74] netlink_sendmsg+0x723/0xbe0 [ 229.885579][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 229.885579][ T74] ___sys_sendmsg+0xee/0x170 [ 229.885579][ T74] __sys_sendmsg+0xcd/0x170 [ 229.885579][ T74] do_syscall_64+0xc6/0x1e0 [ 229.885579][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 229.885579][ T74] [ 239.652071][ T1617] ip (1617) used greatest stack depth: 23832 bytes left [ 240.041712][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 240.042082][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 240.042082][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 240.042082][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 240.042082][ T74] fib6_nh_init+0xa22/0x1580 [ 240.042082][ T74] ip6_route_info_create+0xf18/0x17d0 [ 240.042082][ T74] ip6_route_add+0x1c/0x140 [ 240.042082][ T74] inet6_rtm_newroute+0x104/0x110 [ 240.042082][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 240.042082][ T74] netlink_rcv_skb+0x130/0x360 [ 240.042082][ T74] netlink_unicast+0x449/0x710 [ 240.042082][ T74] netlink_sendmsg+0x723/0xbe0 [ 240.042082][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 240.042082][ T74] ___sys_sendmsg+0xee/0x170 [ 240.042082][ T74] __sys_sendmsg+0xcd/0x170 [ 240.042082][ T74] do_syscall_64+0xc6/0x1e0 [ 240.042082][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 240.042082][ T74] [ 240.044194][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 240.044194][ T74] netdev_get_by_index+0x5e/0x80 [ 240.044194][ T74] fib6_nh_init+0x3d8/0x1580 [ 240.044194][ T74] ip6_route_info_create+0xf18/0x17d0 [ 240.044194][ T74] addrconf_f6i_alloc+0x265/0x560 [ 240.044194][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 240.044194][ T74] addrconf_join_anycast+0x1c0/0x220 [ 240.044194][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 240.044194][ T74] addrconf_dad_completed+0x12b/0xe20 [ 240.044194][ T74] addrconf_dad_begin+0x310/0x670 [ 240.044194][ T74] addrconf_dad_work+0x10b/0xab0 [ 240.044194][ T74] process_one_work+0x84d/0x18a0 [ 240.044194][ T74] worker_thread+0x587/0xd30 [ 240.044194][ T74] kthread+0x28a/0x350 [ 240.044194][ T74] ret_from_fork+0x31/0x70 [ 240.044194][ T74] ret_from_fork_asm+0x1a/0x30 [ 240.044194][ T74] [ 240.046329][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 240.046329][ T74] netdev_get_by_index+0x5e/0x80 [ 240.046329][ T74] fib6_nh_init+0x3d8/0x1580 [ 240.046329][ T74] ip6_route_info_create+0xf18/0x17d0 [ 240.046329][ T74] ip6_route_add+0x1c/0x140 [ 240.046329][ T74] addrconf_prefix_route+0x2a6/0x430 [ 240.046329][ T74] inet6_addr_add+0x4f8/0xa40 [ 240.046329][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 240.046329][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 240.046329][ T74] netlink_rcv_skb+0x130/0x360 [ 240.046329][ T74] netlink_unicast+0x449/0x710 [ 240.046329][ T74] netlink_sendmsg+0x723/0xbe0 [ 240.046329][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 240.046329][ T74] ___sys_sendmsg+0xee/0x170 [ 240.046329][ T74] __sys_sendmsg+0xcd/0x170 [ 240.046329][ T74] do_syscall_64+0xc6/0x1e0 [ 240.046329][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 240.046329][ T74] [ 240.048557][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 240.048557][ T74] netdev_get_by_index+0x5e/0x80 [ 240.048557][ T74] fib6_nh_init+0x3d8/0x1580 [ 240.048557][ T74] ip6_route_info_create+0xf18/0x17d0 [ 240.048557][ T74] addrconf_f6i_alloc+0x315/0x560 [ 240.048557][ T74] ipv6_add_addr+0x411/0x2000 [ 240.048557][ T74] inet6_addr_add+0x30e/0xa40 [ 240.048557][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 240.048557][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 240.048557][ T74] netlink_rcv_skb+0x130/0x360 [ 240.048557][ T74] netlink_unicast+0x449/0x710 [ 240.048557][ T74] netlink_sendmsg+0x723/0xbe0 [ 240.048557][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 240.048557][ T74] ___sys_sendmsg+0xee/0x170 [ 240.048557][ T74] __sys_sendmsg+0xcd/0x170 [ 240.048557][ T74] do_syscall_64+0xc6/0x1e0 [ 240.048557][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 240.048557][ T74] [ 240.050863][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 240.050863][ T74] netdev_get_by_index+0x5e/0x80 [ 240.050863][ T74] fib6_nh_init+0x3d8/0x1580 [ 240.050863][ T74] ip6_route_info_create+0xf18/0x17d0 [ 240.050863][ T74] ip6_route_add+0x1c/0x140 [ 240.050863][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 240.050863][ T74] addrconf_add_dev+0xe2/0x170 [ 240.050863][ T74] inet6_addr_add+0x12f/0xa40 [ 240.050863][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 240.050863][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 240.050863][ T74] netlink_rcv_skb+0x130/0x360 [ 240.050863][ T74] netlink_unicast+0x449/0x710 [ 240.050863][ T74] netlink_sendmsg+0x723/0xbe0 [ 240.050863][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 240.050863][ T74] ___sys_sendmsg+0xee/0x170 [ 240.050863][ T74] __sys_sendmsg+0xcd/0x170 [ 240.050863][ T74] do_syscall_64+0xc6/0x1e0 [ 240.050863][ T74] [ 240.053274][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 240.053274][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 240.053274][ T74] ipv6_find_idev+0x102/0x170 [ 240.053274][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 240.053274][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 240.053274][ T74] netlink_rcv_skb+0x130/0x360 [ 240.053274][ T74] netlink_unicast+0x449/0x710 [ 240.053274][ T74] netlink_sendmsg+0x723/0xbe0 [ 240.053274][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 240.053274][ T74] ___sys_sendmsg+0xee/0x170 [ 240.053274][ T74] __sys_sendmsg+0xcd/0x170 [ 240.053274][ T74] do_syscall_64+0xc6/0x1e0 [ 240.053274][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 240.053274][ T74] [ 240.055168][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 240.055168][ T74] neigh_parms_alloc+0x1e5/0x510 [ 240.055168][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 240.055168][ T74] ipv6_find_idev+0x102/0x170 [ 240.055168][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 240.055168][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 240.055168][ T74] netlink_rcv_skb+0x130/0x360 [ 240.055168][ T74] netlink_unicast+0x449/0x710 [ 240.055168][ T74] netlink_sendmsg+0x723/0xbe0 [ 240.055168][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 240.055168][ T74] ___sys_sendmsg+0xee/0x170 [ 240.055168][ T74] __sys_sendmsg+0xcd/0x170 [ 240.055168][ T74] do_syscall_64+0xc6/0x1e0 [ 240.055168][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 240.055168][ T74] [ 240.057486][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 240.057835][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 240.057835][ T74] dst_init+0x84/0x4a0 [ 240.057835][ T74] dst_alloc+0x97/0x150 [ 240.057835][ T74] ip6_dst_alloc+0x23/0x90 [ 240.057835][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 240.057835][ T74] ip6_pol_route+0x56f/0x840 [ 240.057835][ T74] fib6_rule_lookup+0x456/0x630 [ 240.057835][ T74] ip6_route_input+0x59c/0xa50 [ 240.057835][ T74] ipv6_rcv+0x397/0x810 [ 240.057835][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 240.057835][ T74] process_backlog+0x101/0x620 [ 240.057835][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 240.057835][ T74] net_rx_action+0x495/0xbe0 [ 240.057835][ T74] __do_softirq+0x1b5/0x7f6 [ 240.057835][ T74] [ 240.060216][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 240.060216][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 240.060216][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 240.060216][ T74] fib6_nh_init+0xa22/0x1580 [ 240.060216][ T74] ip6_route_info_create+0xf18/0x17d0 [ 240.060216][ T74] ip6_route_add+0x1c/0x140 [ 240.060216][ T74] inet6_rtm_newroute+0x104/0x110 [ 240.060216][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 240.060216][ T74] netlink_rcv_skb+0x130/0x360 [ 240.060216][ T74] netlink_unicast+0x449/0x710 [ 240.060216][ T74] netlink_sendmsg+0x723/0xbe0 [ 240.060216][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 240.060216][ T74] ___sys_sendmsg+0xee/0x170 [ 240.060216][ T74] __sys_sendmsg+0xcd/0x170 [ 240.060216][ T74] do_syscall_64+0xc6/0x1e0 [ 240.060216][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 240.060216][ T74] [ 240.062856][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 240.062856][ T74] netdev_get_by_index+0x5e/0x80 [ 240.062856][ T74] fib6_nh_init+0x3d8/0x1580 [ 240.062856][ T74] ip6_route_info_create+0xf18/0x17d0 [ 240.062856][ T74] addrconf_f6i_alloc+0x265/0x560 [ 240.062856][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 240.062856][ T74] addrconf_join_anycast+0x1c0/0x220 [ 240.062856][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 240.062856][ T74] addrconf_dad_completed+0x12b/0xe20 [ 240.062856][ T74] addrconf_dad_begin+0x310/0x670 [ 240.062856][ T74] addrconf_dad_work+0x10b/0xab0 [ 240.062856][ T74] process_one_work+0x84d/0x18a0 [ 240.062856][ T74] worker_thread+0x587/0xd30 [ 240.062856][ T74] kthread+0x28a/0x350 [ 240.062856][ T74] ret_from_fork+0x31/0x70 [ 240.062856][ T74] ret_from_fork_asm+0x1a/0x30 [ 240.062856][ T74] [ 240.065456][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 240.065456][ T74] netdev_get_by_index+0x5e/0x80 [ 240.065456][ T74] fib6_nh_init+0x3d8/0x1580 [ 240.065456][ T74] ip6_route_info_create+0xf18/0x17d0 [ 240.065456][ T74] ip6_route_add+0x1c/0x140 [ 240.065456][ T74] addrconf_prefix_route+0x2a6/0x430 [ 240.065456][ T74] inet6_addr_add+0x4f8/0xa40 [ 240.065456][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 240.065456][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 240.065456][ T74] netlink_rcv_skb+0x130/0x360 [ 240.065456][ T74] netlink_unicast+0x449/0x710 [ 240.065456][ T74] netlink_sendmsg+0x723/0xbe0 [ 240.065456][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 240.065456][ T74] ___sys_sendmsg+0xee/0x170 [ 240.065456][ T74] __sys_sendmsg+0xcd/0x170 [ 240.065456][ T74] do_syscall_64+0xc6/0x1e0 [ 240.065456][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 240.065456][ T74] [ 240.068342][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 240.068342][ T74] netdev_get_by_index+0x5e/0x80 [ 240.068342][ T74] fib6_nh_init+0x3d8/0x1580 [ 240.068342][ T74] ip6_route_info_create+0xf18/0x17d0 [ 240.068342][ T74] addrconf_f6i_alloc+0x315/0x560 [ 240.068342][ T74] ipv6_add_addr+0x411/0x2000 [ 240.068342][ T74] inet6_addr_add+0x30e/0xa40 [ 240.068342][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 240.068342][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 240.068342][ T74] netlink_rcv_skb+0x130/0x360 [ 240.068342][ T74] netlink_unicast+0x449/0x710 [ 240.068342][ T74] netlink_sendmsg+0x723/0xbe0 [ 240.068342][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 240.068342][ T74] ___sys_sendmsg+0xee/0x170 [ 240.068342][ T74] __sys_sendmsg+0xcd/0x170 [ 240.068342][ T74] do_syscall_64+0xc6/0x1e0 [ 240.068342][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 240.068342][ T74] [ 240.071024][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 240.071024][ T74] netdev_get_by_index+0x5e/0x80 [ 240.071024][ T74] fib6_nh_init+0x3d8/0x1580 [ 240.071024][ T74] ip6_route_info_create+0xf18/0x17d0 [ 240.071024][ T74] ip6_route_add+0x1c/0x140 [ 240.071024][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 240.071024][ T74] addrconf_add_dev+0xe2/0x170 [ 240.071024][ T74] inet6_addr_add+0x12f/0xa40 [ 240.071024][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 240.071024][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 240.071024][ T74] netlink_rcv_skb+0x130/0x360 [ 240.071024][ T74] netlink_unicast+0x449/0x710 [ 240.071024][ T74] netlink_sendmsg+0x723/0xbe0 [ 240.071024][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 240.071024][ T74] ___sys_sendmsg+0xee/0x170 [ 240.071024][ T74] __sys_sendmsg+0xcd/0x170 [ 240.071024][ T74] do_syscall_64+0xc6/0x1e0 [ 240.071024][ T74] [ 240.073748][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 240.073748][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 240.073748][ T74] ipv6_find_idev+0x102/0x170 [ 240.073748][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 240.073748][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 240.073748][ T74] netlink_rcv_skb+0x130/0x360 [ 240.073748][ T74] netlink_unicast+0x449/0x710 [ 240.073748][ T74] netlink_sendmsg+0x723/0xbe0 [ 240.073748][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 240.073748][ T74] ___sys_sendmsg+0xee/0x170 [ 240.073748][ T74] __sys_sendmsg+0xcd/0x170 [ 240.073748][ T74] do_syscall_64+0xc6/0x1e0 [ 240.073748][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 240.073748][ T74] [ 240.075918][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 240.075918][ T74] neigh_parms_alloc+0x1e5/0x510 [ 240.075918][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 240.075918][ T74] ipv6_find_idev+0x102/0x170 [ 240.075918][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 240.075918][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 240.075918][ T74] netlink_rcv_skb+0x130/0x360 [ 240.075918][ T74] netlink_unicast+0x449/0x710 [ 240.075918][ T74] netlink_sendmsg+0x723/0xbe0 [ 240.075918][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 240.075918][ T74] ___sys_sendmsg+0xee/0x170 [ 240.075918][ T74] __sys_sendmsg+0xcd/0x170 [ 240.075918][ T74] do_syscall_64+0xc6/0x1e0 [ 240.075918][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 240.075918][ T74] [ 240.078147][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 240.078484][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 240.078484][ T74] netdev_get_by_index+0x5e/0x80 [ 240.078484][ T74] fib6_nh_init+0x3d8/0x1580 [ 240.078484][ T74] ip6_route_info_create+0xf18/0x17d0 [ 240.078484][ T74] ip6_route_add+0x1c/0x140 [ 240.078484][ T74] addrconf_prefix_route+0x2a6/0x430 [ 240.078484][ T74] inet6_addr_add+0x4f8/0xa40 [ 240.078484][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 240.078484][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 240.078484][ T74] netlink_rcv_skb+0x130/0x360 [ 240.078484][ T74] netlink_unicast+0x449/0x710 [ 240.078484][ T74] netlink_sendmsg+0x723/0xbe0 [ 240.078484][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 240.078484][ T74] ___sys_sendmsg+0xee/0x170 [ 240.078484][ T74] __sys_sendmsg+0xcd/0x170 [ 240.078484][ T74] do_syscall_64+0xc6/0x1e0 [ 240.078484][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 240.078484][ T74] [ 240.080882][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 240.080882][ T74] netdev_get_by_index+0x5e/0x80 [ 240.080882][ T74] fib6_nh_init+0x3d8/0x1580 [ 240.080882][ T74] ip6_route_info_create+0xf18/0x17d0 [ 240.080882][ T74] addrconf_f6i_alloc+0x315/0x560 [ 240.080882][ T74] ipv6_add_addr+0x411/0x2000 [ 240.080882][ T74] inet6_addr_add+0x30e/0xa40 [ 240.080882][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 240.080882][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 240.080882][ T74] netlink_rcv_skb+0x130/0x360 [ 240.080882][ T74] netlink_unicast+0x449/0x710 [ 240.080882][ T74] netlink_sendmsg+0x723/0xbe0 [ 240.080882][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 240.080882][ T74] ___sys_sendmsg+0xee/0x170 [ 240.080882][ T74] __sys_sendmsg+0xcd/0x170 [ 240.080882][ T74] do_syscall_64+0xc6/0x1e0 [ 240.080882][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 240.080882][ T74] [ 240.083371][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 240.083371][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 240.083371][ T74] ipv6_find_idev+0x102/0x170 [ 240.083371][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 240.083371][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 240.083371][ T74] netlink_rcv_skb+0x130/0x360 [ 240.083371][ T74] netlink_unicast+0x449/0x710 [ 240.083371][ T74] netlink_sendmsg+0x723/0xbe0 [ 240.083371][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 240.083371][ T74] ___sys_sendmsg+0xee/0x170 [ 240.083371][ T74] __sys_sendmsg+0xcd/0x170 [ 240.083371][ T74] do_syscall_64+0xc6/0x1e0 [ 240.083371][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 240.083371][ T74] [ 240.085119][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 240.085119][ T74] neigh_parms_alloc+0x1e5/0x510 [ 240.085119][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 240.085119][ T74] ipv6_find_idev+0x102/0x170 [ 240.085119][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 240.085119][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 240.085119][ T74] netlink_rcv_skb+0x130/0x360 [ 240.085119][ T74] netlink_unicast+0x449/0x710 [ 240.085119][ T74] netlink_sendmsg+0x723/0xbe0 [ 240.085119][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 240.085119][ T74] ___sys_sendmsg+0xee/0x170 [ 240.085119][ T74] __sys_sendmsg+0xcd/0x170 [ 240.085119][ T74] do_syscall_64+0xc6/0x1e0 [ 240.085119][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 240.085119][ T74] [ 240.197545][ T1624] veth0: renamed from veth1 [ 244.085698][ T1650] br0: port 1(vx0) entered blocking state [ 244.085984][ T1650] br0: port 1(vx0) entered disabled state [ 244.086255][ T1650] vx0: entered allmulticast mode [ 244.087931][ T1650] vx0: entered promiscuous mode [ 244.089813][ T1650] br0: port 1(vx0) entered blocking state [ 244.090083][ T1650] br0: port 1(vx0) entered forwarding state [ 249.788138][ T1680] br0: port 1(vx0) entered blocking state [ 249.788369][ T1680] br0: port 1(vx0) entered disabled state [ 249.788557][ T1680] vx0: entered allmulticast mode [ 249.789804][ T1680] vx0: entered promiscuous mode [ 249.791704][ T1680] br0: port 1(vx0) entered blocking state [ 249.791913][ T1680] br0: port 1(vx0) entered forwarding state [ 250.175917][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 250.176279][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 250.176279][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 250.176279][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 250.176279][ T74] fib6_nh_init+0xa22/0x1580 [ 250.176279][ T74] ip6_route_info_create+0xf18/0x17d0 [ 250.176279][ T74] ip6_route_add+0x1c/0x140 [ 250.176279][ T74] inet6_rtm_newroute+0x104/0x110 [ 250.176279][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 250.176279][ T74] netlink_rcv_skb+0x130/0x360 [ 250.176279][ T74] netlink_unicast+0x449/0x710 [ 250.176279][ T74] netlink_sendmsg+0x723/0xbe0 [ 250.176279][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 250.176279][ T74] ___sys_sendmsg+0xee/0x170 [ 250.176279][ T74] __sys_sendmsg+0xcd/0x170 [ 250.176279][ T74] do_syscall_64+0xc6/0x1e0 [ 250.176279][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 250.176279][ T74] [ 250.178507][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 250.178507][ T74] netdev_get_by_index+0x5e/0x80 [ 250.178507][ T74] fib6_nh_init+0x3d8/0x1580 [ 250.178507][ T74] ip6_route_info_create+0xf18/0x17d0 [ 250.178507][ T74] addrconf_f6i_alloc+0x265/0x560 [ 250.178507][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 250.178507][ T74] addrconf_join_anycast+0x1c0/0x220 [ 250.178507][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 250.178507][ T74] addrconf_dad_completed+0x12b/0xe20 [ 250.178507][ T74] addrconf_dad_begin+0x310/0x670 [ 250.178507][ T74] addrconf_dad_work+0x10b/0xab0 [ 250.178507][ T74] process_one_work+0x84d/0x18a0 [ 250.178507][ T74] worker_thread+0x587/0xd30 [ 250.178507][ T74] kthread+0x28a/0x350 [ 250.178507][ T74] ret_from_fork+0x31/0x70 [ 250.178507][ T74] ret_from_fork_asm+0x1a/0x30 [ 250.178507][ T74] [ 250.180631][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 250.180631][ T74] netdev_get_by_index+0x5e/0x80 [ 250.180631][ T74] fib6_nh_init+0x3d8/0x1580 [ 250.180631][ T74] ip6_route_info_create+0xf18/0x17d0 [ 250.180631][ T74] ip6_route_add+0x1c/0x140 [ 250.180631][ T74] addrconf_prefix_route+0x2a6/0x430 [ 250.180631][ T74] inet6_addr_add+0x4f8/0xa40 [ 250.180631][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 250.180631][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 250.180631][ T74] netlink_rcv_skb+0x130/0x360 [ 250.180631][ T74] netlink_unicast+0x449/0x710 [ 250.180631][ T74] netlink_sendmsg+0x723/0xbe0 [ 250.180631][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 250.180631][ T74] ___sys_sendmsg+0xee/0x170 [ 250.180631][ T74] __sys_sendmsg+0xcd/0x170 [ 250.180631][ T74] do_syscall_64+0xc6/0x1e0 [ 250.180631][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 250.180631][ T74] [ 250.182711][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 250.182711][ T74] netdev_get_by_index+0x5e/0x80 [ 250.182711][ T74] fib6_nh_init+0x3d8/0x1580 [ 250.182711][ T74] ip6_route_info_create+0xf18/0x17d0 [ 250.182711][ T74] addrconf_f6i_alloc+0x315/0x560 [ 250.182711][ T74] ipv6_add_addr+0x411/0x2000 [ 250.182711][ T74] inet6_addr_add+0x30e/0xa40 [ 250.182711][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 250.182711][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 250.182711][ T74] netlink_rcv_skb+0x130/0x360 [ 250.182711][ T74] netlink_unicast+0x449/0x710 [ 250.182711][ T74] netlink_sendmsg+0x723/0xbe0 [ 250.182711][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 250.182711][ T74] ___sys_sendmsg+0xee/0x170 [ 250.182711][ T74] __sys_sendmsg+0xcd/0x170 [ 250.182711][ T74] do_syscall_64+0xc6/0x1e0 [ 250.182711][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 250.182711][ T74] [ 250.184771][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 250.184771][ T74] netdev_get_by_index+0x5e/0x80 [ 250.184771][ T74] fib6_nh_init+0x3d8/0x1580 [ 250.184771][ T74] ip6_route_info_create+0xf18/0x17d0 [ 250.184771][ T74] ip6_route_add+0x1c/0x140 [ 250.184771][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 250.184771][ T74] addrconf_add_dev+0xe2/0x170 [ 250.184771][ T74] inet6_addr_add+0x12f/0xa40 [ 250.184771][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 250.184771][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 250.184771][ T74] netlink_rcv_skb+0x130/0x360 [ 250.184771][ T74] netlink_unicast+0x449/0x710 [ 250.184771][ T74] netlink_sendmsg+0x723/0xbe0 [ 250.184771][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 250.184771][ T74] ___sys_sendmsg+0xee/0x170 [ 250.184771][ T74] __sys_sendmsg+0xcd/0x170 [ 250.184771][ T74] do_syscall_64+0xc6/0x1e0 [ 250.184771][ T74] [ 250.186845][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 250.186845][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 250.186845][ T74] ipv6_find_idev+0x102/0x170 [ 250.186845][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 250.186845][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 250.186845][ T74] netlink_rcv_skb+0x130/0x360 [ 250.186845][ T74] netlink_unicast+0x449/0x710 [ 250.186845][ T74] netlink_sendmsg+0x723/0xbe0 [ 250.186845][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 250.186845][ T74] ___sys_sendmsg+0xee/0x170 [ 250.186845][ T74] __sys_sendmsg+0xcd/0x170 [ 250.186845][ T74] do_syscall_64+0xc6/0x1e0 [ 250.186845][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 250.186845][ T74] [ 250.188462][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 250.188462][ T74] neigh_parms_alloc+0x1e5/0x510 [ 250.188462][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 250.188462][ T74] ipv6_find_idev+0x102/0x170 [ 250.188462][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 250.188462][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 250.188462][ T74] netlink_rcv_skb+0x130/0x360 [ 250.188462][ T74] netlink_unicast+0x449/0x710 [ 250.188462][ T74] netlink_sendmsg+0x723/0xbe0 [ 250.188462][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 250.188462][ T74] ___sys_sendmsg+0xee/0x170 [ 250.188462][ T74] __sys_sendmsg+0xcd/0x170 [ 250.188462][ T74] do_syscall_64+0xc6/0x1e0 [ 250.188462][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 250.188462][ T74] [ 250.190210][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 250.190496][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 250.190496][ T74] dst_init+0x84/0x4a0 [ 250.190496][ T74] dst_alloc+0x97/0x150 [ 250.190496][ T74] ip6_dst_alloc+0x23/0x90 [ 250.190496][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 250.190496][ T74] ip6_pol_route+0x56f/0x840 [ 250.190496][ T74] fib6_rule_lookup+0x456/0x630 [ 250.190496][ T74] ip6_route_input+0x59c/0xa50 [ 250.190496][ T74] ipv6_rcv+0x397/0x810 [ 250.190496][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 250.190496][ T74] process_backlog+0x101/0x620 [ 250.190496][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 250.190496][ T74] net_rx_action+0x495/0xbe0 [ 250.190496][ T74] __do_softirq+0x1b5/0x7f6 [ 250.190496][ T74] [ 250.192180][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 250.192180][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 250.192180][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 250.192180][ T74] fib6_nh_init+0xa22/0x1580 [ 250.192180][ T74] ip6_route_info_create+0xf18/0x17d0 [ 250.192180][ T74] ip6_route_add+0x1c/0x140 [ 250.192180][ T74] inet6_rtm_newroute+0x104/0x110 [ 250.192180][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 250.192180][ T74] netlink_rcv_skb+0x130/0x360 [ 250.192180][ T74] netlink_unicast+0x449/0x710 [ 250.192180][ T74] netlink_sendmsg+0x723/0xbe0 [ 250.192180][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 250.192180][ T74] ___sys_sendmsg+0xee/0x170 [ 250.192180][ T74] __sys_sendmsg+0xcd/0x170 [ 250.192180][ T74] do_syscall_64+0xc6/0x1e0 [ 250.192180][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 250.192180][ T74] [ 250.194254][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 250.194254][ T74] netdev_get_by_index+0x5e/0x80 [ 250.194254][ T74] fib6_nh_init+0x3d8/0x1580 [ 250.194254][ T74] ip6_route_info_create+0xf18/0x17d0 [ 250.194254][ T74] addrconf_f6i_alloc+0x265/0x560 [ 250.194254][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 250.194254][ T74] addrconf_join_anycast+0x1c0/0x220 [ 250.194254][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 250.194254][ T74] addrconf_dad_completed+0x12b/0xe20 [ 250.194254][ T74] addrconf_dad_begin+0x310/0x670 [ 250.194254][ T74] addrconf_dad_work+0x10b/0xab0 [ 250.194254][ T74] process_one_work+0x84d/0x18a0 [ 250.194254][ T74] worker_thread+0x587/0xd30 [ 250.194254][ T74] kthread+0x28a/0x350 [ 250.194254][ T74] ret_from_fork+0x31/0x70 [ 250.194254][ T74] ret_from_fork_asm+0x1a/0x30 [ 250.194254][ T74] [ 250.196658][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 250.196658][ T74] netdev_get_by_index+0x5e/0x80 [ 250.196658][ T74] fib6_nh_init+0x3d8/0x1580 [ 250.196658][ T74] ip6_route_info_create+0xf18/0x17d0 [ 250.196658][ T74] ip6_route_add+0x1c/0x140 [ 250.196658][ T74] addrconf_prefix_route+0x2a6/0x430 [ 250.196658][ T74] inet6_addr_add+0x4f8/0xa40 [ 250.196658][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 250.196658][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 250.196658][ T74] netlink_rcv_skb+0x130/0x360 [ 250.196658][ T74] netlink_unicast+0x449/0x710 [ 250.196658][ T74] netlink_sendmsg+0x723/0xbe0 [ 250.196658][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 250.196658][ T74] ___sys_sendmsg+0xee/0x170 [ 250.196658][ T74] __sys_sendmsg+0xcd/0x170 [ 250.196658][ T74] do_syscall_64+0xc6/0x1e0 [ 250.196658][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 250.196658][ T74] [ 250.199202][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 250.199202][ T74] netdev_get_by_index+0x5e/0x80 [ 250.199202][ T74] fib6_nh_init+0x3d8/0x1580 [ 250.199202][ T74] ip6_route_info_create+0xf18/0x17d0 [ 250.199202][ T74] addrconf_f6i_alloc+0x315/0x560 [ 250.199202][ T74] ipv6_add_addr+0x411/0x2000 [ 250.199202][ T74] inet6_addr_add+0x30e/0xa40 [ 250.199202][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 250.199202][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 250.199202][ T74] netlink_rcv_skb+0x130/0x360 [ 250.199202][ T74] netlink_unicast+0x449/0x710 [ 250.199202][ T74] netlink_sendmsg+0x723/0xbe0 [ 250.199202][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 250.199202][ T74] ___sys_sendmsg+0xee/0x170 [ 250.199202][ T74] __sys_sendmsg+0xcd/0x170 [ 250.199202][ T74] do_syscall_64+0xc6/0x1e0 [ 250.199202][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 250.199202][ T74] [ 250.201608][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 250.201608][ T74] netdev_get_by_index+0x5e/0x80 [ 250.201608][ T74] fib6_nh_init+0x3d8/0x1580 [ 250.201608][ T74] ip6_route_info_create+0xf18/0x17d0 [ 250.201608][ T74] ip6_route_add+0x1c/0x140 [ 250.201608][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 250.201608][ T74] addrconf_add_dev+0xe2/0x170 [ 250.201608][ T74] inet6_addr_add+0x12f/0xa40 [ 250.201608][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 250.201608][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 250.201608][ T74] netlink_rcv_skb+0x130/0x360 [ 250.201608][ T74] netlink_unicast+0x449/0x710 [ 250.201608][ T74] netlink_sendmsg+0x723/0xbe0 [ 250.201608][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 250.201608][ T74] ___sys_sendmsg+0xee/0x170 [ 250.201608][ T74] __sys_sendmsg+0xcd/0x170 [ 250.201608][ T74] do_syscall_64+0xc6/0x1e0 [ 250.201608][ T74] [ 250.203994][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 250.203994][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 250.203994][ T74] ipv6_find_idev+0x102/0x170 [ 250.203994][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 250.203994][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 250.203994][ T74] netlink_rcv_skb+0x130/0x360 [ 250.203994][ T74] netlink_unicast+0x449/0x710 [ 250.203994][ T74] netlink_sendmsg+0x723/0xbe0 [ 250.203994][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 250.203994][ T74] ___sys_sendmsg+0xee/0x170 [ 250.203994][ T74] __sys_sendmsg+0xcd/0x170 [ 250.203994][ T74] do_syscall_64+0xc6/0x1e0 [ 250.203994][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 250.203994][ T74] [ 250.206017][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 250.206017][ T74] neigh_parms_alloc+0x1e5/0x510 [ 250.206017][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 250.206017][ T74] ipv6_find_idev+0x102/0x170 [ 250.206017][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 250.206017][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 250.206017][ T74] netlink_rcv_skb+0x130/0x360 [ 250.206017][ T74] netlink_unicast+0x449/0x710 [ 250.206017][ T74] netlink_sendmsg+0x723/0xbe0 [ 250.206017][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 250.206017][ T74] ___sys_sendmsg+0xee/0x170 [ 250.206017][ T74] __sys_sendmsg+0xcd/0x170 [ 250.206017][ T74] do_syscall_64+0xc6/0x1e0 [ 250.206017][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 250.206017][ T74] [ 250.208211][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 250.208595][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 250.208595][ T74] netdev_get_by_index+0x5e/0x80 [ 250.208595][ T74] fib6_nh_init+0x3d8/0x1580 [ 250.208595][ T74] ip6_route_info_create+0xf18/0x17d0 [ 250.208595][ T74] ip6_route_add+0x1c/0x140 [ 250.208595][ T74] addrconf_prefix_route+0x2a6/0x430 [ 250.208595][ T74] inet6_addr_add+0x4f8/0xa40 [ 250.208595][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 250.208595][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 250.208595][ T74] netlink_rcv_skb+0x130/0x360 [ 250.208595][ T74] netlink_unicast+0x449/0x710 [ 250.208595][ T74] netlink_sendmsg+0x723/0xbe0 [ 250.208595][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 250.208595][ T74] ___sys_sendmsg+0xee/0x170 [ 250.208595][ T74] __sys_sendmsg+0xcd/0x170 [ 250.208595][ T74] do_syscall_64+0xc6/0x1e0 [ 250.208595][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 250.208595][ T74] [ 250.211047][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 250.211047][ T74] netdev_get_by_index+0x5e/0x80 [ 250.211047][ T74] fib6_nh_init+0x3d8/0x1580 [ 250.211047][ T74] ip6_route_info_create+0xf18/0x17d0 [ 250.211047][ T74] addrconf_f6i_alloc+0x315/0x560 [ 250.211047][ T74] ipv6_add_addr+0x411/0x2000 [ 250.211047][ T74] inet6_addr_add+0x30e/0xa40 [ 250.211047][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 250.211047][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 250.211047][ T74] netlink_rcv_skb+0x130/0x360 [ 250.211047][ T74] netlink_unicast+0x449/0x710 [ 250.211047][ T74] netlink_sendmsg+0x723/0xbe0 [ 250.211047][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 250.211047][ T74] ___sys_sendmsg+0xee/0x170 [ 250.211047][ T74] __sys_sendmsg+0xcd/0x170 [ 250.211047][ T74] do_syscall_64+0xc6/0x1e0 [ 250.211047][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 250.211047][ T74] [ 250.213750][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 250.213750][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 250.213750][ T74] ipv6_find_idev+0x102/0x170 [ 250.213750][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 250.213750][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 250.213750][ T74] netlink_rcv_skb+0x130/0x360 [ 250.213750][ T74] netlink_unicast+0x449/0x710 [ 250.213750][ T74] netlink_sendmsg+0x723/0xbe0 [ 250.213750][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 250.213750][ T74] ___sys_sendmsg+0xee/0x170 [ 250.213750][ T74] __sys_sendmsg+0xcd/0x170 [ 250.213750][ T74] do_syscall_64+0xc6/0x1e0 [ 250.213750][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 250.213750][ T74] [ 250.215708][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 250.215708][ T74] neigh_parms_alloc+0x1e5/0x510 [ 250.215708][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 250.215708][ T74] ipv6_find_idev+0x102/0x170 [ 250.215708][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 250.215708][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 250.215708][ T74] netlink_rcv_skb+0x130/0x360 [ 250.215708][ T74] netlink_unicast+0x449/0x710 [ 250.215708][ T74] netlink_sendmsg+0x723/0xbe0 [ 250.215708][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 250.215708][ T74] ___sys_sendmsg+0xee/0x170 [ 250.215708][ T74] __sys_sendmsg+0xcd/0x170 [ 250.215708][ T74] do_syscall_64+0xc6/0x1e0 [ 250.215708][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 250.215708][ T74] [ 253.875934][ T1711] veth0: renamed from veth1 [ 257.848422][ T1738] br0: port 1(vx0) entered blocking state [ 257.848630][ T1738] br0: port 1(vx0) entered disabled state [ 257.848810][ T1738] vx0: entered allmulticast mode [ 257.850034][ T1738] vx0: entered promiscuous mode [ 257.851881][ T1738] br0: port 1(vx0) entered blocking state [ 257.852057][ T1738] br0: port 1(vx0) entered forwarding state [ 260.351904][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 260.352271][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 260.352271][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 260.352271][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 260.352271][ T74] fib6_nh_init+0xa22/0x1580 [ 260.352271][ T74] ip6_route_info_create+0xf18/0x17d0 [ 260.352271][ T74] ip6_route_add+0x1c/0x140 [ 260.352271][ T74] inet6_rtm_newroute+0x104/0x110 [ 260.352271][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 260.352271][ T74] netlink_rcv_skb+0x130/0x360 [ 260.352271][ T74] netlink_unicast+0x449/0x710 [ 260.352271][ T74] netlink_sendmsg+0x723/0xbe0 [ 260.352271][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 260.352271][ T74] ___sys_sendmsg+0xee/0x170 [ 260.352271][ T74] __sys_sendmsg+0xcd/0x170 [ 260.352271][ T74] do_syscall_64+0xc6/0x1e0 [ 260.352271][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 260.352271][ T74] [ 260.354260][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 260.354260][ T74] netdev_get_by_index+0x5e/0x80 [ 260.354260][ T74] fib6_nh_init+0x3d8/0x1580 [ 260.354260][ T74] ip6_route_info_create+0xf18/0x17d0 [ 260.354260][ T74] addrconf_f6i_alloc+0x265/0x560 [ 260.354260][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 260.354260][ T74] addrconf_join_anycast+0x1c0/0x220 [ 260.354260][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 260.354260][ T74] addrconf_dad_completed+0x12b/0xe20 [ 260.354260][ T74] addrconf_dad_begin+0x310/0x670 [ 260.354260][ T74] addrconf_dad_work+0x10b/0xab0 [ 260.354260][ T74] process_one_work+0x84d/0x18a0 [ 260.354260][ T74] worker_thread+0x587/0xd30 [ 260.354260][ T74] kthread+0x28a/0x350 [ 260.354260][ T74] ret_from_fork+0x31/0x70 [ 260.354260][ T74] ret_from_fork_asm+0x1a/0x30 [ 260.354260][ T74] [ 260.356238][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 260.356238][ T74] netdev_get_by_index+0x5e/0x80 [ 260.356238][ T74] fib6_nh_init+0x3d8/0x1580 [ 260.356238][ T74] ip6_route_info_create+0xf18/0x17d0 [ 260.356238][ T74] ip6_route_add+0x1c/0x140 [ 260.356238][ T74] addrconf_prefix_route+0x2a6/0x430 [ 260.356238][ T74] inet6_addr_add+0x4f8/0xa40 [ 260.356238][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 260.356238][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 260.356238][ T74] netlink_rcv_skb+0x130/0x360 [ 260.356238][ T74] netlink_unicast+0x449/0x710 [ 260.356238][ T74] netlink_sendmsg+0x723/0xbe0 [ 260.356238][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 260.356238][ T74] ___sys_sendmsg+0xee/0x170 [ 260.356238][ T74] __sys_sendmsg+0xcd/0x170 [ 260.356238][ T74] do_syscall_64+0xc6/0x1e0 [ 260.356238][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 260.356238][ T74] [ 260.358351][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 260.358351][ T74] netdev_get_by_index+0x5e/0x80 [ 260.358351][ T74] fib6_nh_init+0x3d8/0x1580 [ 260.358351][ T74] ip6_route_info_create+0xf18/0x17d0 [ 260.358351][ T74] addrconf_f6i_alloc+0x315/0x560 [ 260.358351][ T74] ipv6_add_addr+0x411/0x2000 [ 260.358351][ T74] inet6_addr_add+0x30e/0xa40 [ 260.358351][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 260.358351][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 260.358351][ T74] netlink_rcv_skb+0x130/0x360 [ 260.358351][ T74] netlink_unicast+0x449/0x710 [ 260.358351][ T74] netlink_sendmsg+0x723/0xbe0 [ 260.358351][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 260.358351][ T74] ___sys_sendmsg+0xee/0x170 [ 260.358351][ T74] __sys_sendmsg+0xcd/0x170 [ 260.358351][ T74] do_syscall_64+0xc6/0x1e0 [ 260.358351][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 260.358351][ T74] [ 260.360452][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 260.360452][ T74] netdev_get_by_index+0x5e/0x80 [ 260.360452][ T74] fib6_nh_init+0x3d8/0x1580 [ 260.360452][ T74] ip6_route_info_create+0xf18/0x17d0 [ 260.360452][ T74] ip6_route_add+0x1c/0x140 [ 260.360452][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 260.360452][ T74] addrconf_add_dev+0xe2/0x170 [ 260.360452][ T74] inet6_addr_add+0x12f/0xa40 [ 260.360452][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 260.360452][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 260.360452][ T74] netlink_rcv_skb+0x130/0x360 [ 260.360452][ T74] netlink_unicast+0x449/0x710 [ 260.360452][ T74] netlink_sendmsg+0x723/0xbe0 [ 260.360452][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 260.360452][ T74] ___sys_sendmsg+0xee/0x170 [ 260.360452][ T74] __sys_sendmsg+0xcd/0x170 [ 260.360452][ T74] do_syscall_64+0xc6/0x1e0 [ 260.360452][ T74] [ 260.362556][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 260.362556][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 260.362556][ T74] ipv6_find_idev+0x102/0x170 [ 260.362556][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 260.362556][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 260.362556][ T74] netlink_rcv_skb+0x130/0x360 [ 260.362556][ T74] netlink_unicast+0x449/0x710 [ 260.362556][ T74] netlink_sendmsg+0x723/0xbe0 [ 260.362556][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 260.362556][ T74] ___sys_sendmsg+0xee/0x170 [ 260.362556][ T74] __sys_sendmsg+0xcd/0x170 [ 260.362556][ T74] do_syscall_64+0xc6/0x1e0 [ 260.362556][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 260.362556][ T74] [ 260.364222][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 260.364222][ T74] neigh_parms_alloc+0x1e5/0x510 [ 260.364222][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 260.364222][ T74] ipv6_find_idev+0x102/0x170 [ 260.364222][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 260.364222][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 260.364222][ T74] netlink_rcv_skb+0x130/0x360 [ 260.364222][ T74] netlink_unicast+0x449/0x710 [ 260.364222][ T74] netlink_sendmsg+0x723/0xbe0 [ 260.364222][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 260.364222][ T74] ___sys_sendmsg+0xee/0x170 [ 260.364222][ T74] __sys_sendmsg+0xcd/0x170 [ 260.364222][ T74] do_syscall_64+0xc6/0x1e0 [ 260.364222][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 260.364222][ T74] [ 260.366132][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 260.366483][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 260.366483][ T74] dst_init+0x84/0x4a0 [ 260.366483][ T74] dst_alloc+0x97/0x150 [ 260.366483][ T74] ip6_dst_alloc+0x23/0x90 [ 260.366483][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 260.366483][ T74] ip6_pol_route+0x56f/0x840 [ 260.366483][ T74] fib6_rule_lookup+0x456/0x630 [ 260.366483][ T74] ip6_route_input+0x59c/0xa50 [ 260.366483][ T74] ipv6_rcv+0x397/0x810 [ 260.366483][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 260.366483][ T74] process_backlog+0x101/0x620 [ 260.366483][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 260.366483][ T74] net_rx_action+0x495/0xbe0 [ 260.366483][ T74] __do_softirq+0x1b5/0x7f6 [ 260.366483][ T74] [ 260.368513][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 260.368513][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 260.368513][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 260.368513][ T74] fib6_nh_init+0xa22/0x1580 [ 260.368513][ T74] ip6_route_info_create+0xf18/0x17d0 [ 260.368513][ T74] ip6_route_add+0x1c/0x140 [ 260.368513][ T74] inet6_rtm_newroute+0x104/0x110 [ 260.368513][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 260.368513][ T74] netlink_rcv_skb+0x130/0x360 [ 260.368513][ T74] netlink_unicast+0x449/0x710 [ 260.368513][ T74] netlink_sendmsg+0x723/0xbe0 [ 260.368513][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 260.368513][ T74] ___sys_sendmsg+0xee/0x170 [ 260.368513][ T74] __sys_sendmsg+0xcd/0x170 [ 260.368513][ T74] do_syscall_64+0xc6/0x1e0 [ 260.368513][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 260.368513][ T74] [ 260.370674][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 260.370674][ T74] netdev_get_by_index+0x5e/0x80 [ 260.370674][ T74] fib6_nh_init+0x3d8/0x1580 [ 260.370674][ T74] ip6_route_info_create+0xf18/0x17d0 [ 260.370674][ T74] addrconf_f6i_alloc+0x265/0x560 [ 260.370674][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 260.370674][ T74] addrconf_join_anycast+0x1c0/0x220 [ 260.370674][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 260.370674][ T74] addrconf_dad_completed+0x12b/0xe20 [ 260.370674][ T74] addrconf_dad_begin+0x310/0x670 [ 260.370674][ T74] addrconf_dad_work+0x10b/0xab0 [ 260.370674][ T74] process_one_work+0x84d/0x18a0 [ 260.370674][ T74] worker_thread+0x587/0xd30 [ 260.370674][ T74] kthread+0x28a/0x350 [ 260.370674][ T74] ret_from_fork+0x31/0x70 [ 260.370674][ T74] ret_from_fork_asm+0x1a/0x30 [ 260.370674][ T74] [ 260.372915][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 260.372915][ T74] netdev_get_by_index+0x5e/0x80 [ 260.372915][ T74] fib6_nh_init+0x3d8/0x1580 [ 260.372915][ T74] ip6_route_info_create+0xf18/0x17d0 [ 260.372915][ T74] ip6_route_add+0x1c/0x140 [ 260.372915][ T74] addrconf_prefix_route+0x2a6/0x430 [ 260.372915][ T74] inet6_addr_add+0x4f8/0xa40 [ 260.372915][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 260.372915][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 260.372915][ T74] netlink_rcv_skb+0x130/0x360 [ 260.372915][ T74] netlink_unicast+0x449/0x710 [ 260.372915][ T74] netlink_sendmsg+0x723/0xbe0 [ 260.372915][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 260.372915][ T74] ___sys_sendmsg+0xee/0x170 [ 260.372915][ T74] __sys_sendmsg+0xcd/0x170 [ 260.372915][ T74] do_syscall_64+0xc6/0x1e0 [ 260.372915][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 260.372915][ T74] [ 260.375266][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 260.375266][ T74] netdev_get_by_index+0x5e/0x80 [ 260.375266][ T74] fib6_nh_init+0x3d8/0x1580 [ 260.375266][ T74] ip6_route_info_create+0xf18/0x17d0 [ 260.375266][ T74] addrconf_f6i_alloc+0x315/0x560 [ 260.375266][ T74] ipv6_add_addr+0x411/0x2000 [ 260.375266][ T74] inet6_addr_add+0x30e/0xa40 [ 260.375266][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 260.375266][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 260.375266][ T74] netlink_rcv_skb+0x130/0x360 [ 260.375266][ T74] netlink_unicast+0x449/0x710 [ 260.375266][ T74] netlink_sendmsg+0x723/0xbe0 [ 260.375266][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 260.375266][ T74] ___sys_sendmsg+0xee/0x170 [ 260.375266][ T74] __sys_sendmsg+0xcd/0x170 [ 260.375266][ T74] do_syscall_64+0xc6/0x1e0 [ 260.375266][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 260.375266][ T74] [ 260.377550][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 260.377550][ T74] netdev_get_by_index+0x5e/0x80 [ 260.377550][ T74] fib6_nh_init+0x3d8/0x1580 [ 260.377550][ T74] ip6_route_info_create+0xf18/0x17d0 [ 260.377550][ T74] ip6_route_add+0x1c/0x140 [ 260.377550][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 260.377550][ T74] addrconf_add_dev+0xe2/0x170 [ 260.377550][ T74] inet6_addr_add+0x12f/0xa40 [ 260.377550][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 260.377550][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 260.377550][ T74] netlink_rcv_skb+0x130/0x360 [ 260.377550][ T74] netlink_unicast+0x449/0x710 [ 260.377550][ T74] netlink_sendmsg+0x723/0xbe0 [ 260.377550][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 260.377550][ T74] ___sys_sendmsg+0xee/0x170 [ 260.377550][ T74] __sys_sendmsg+0xcd/0x170 [ 260.377550][ T74] do_syscall_64+0xc6/0x1e0 [ 260.377550][ T74] [ 260.379773][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 260.379773][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 260.379773][ T74] ipv6_find_idev+0x102/0x170 [ 260.379773][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 260.379773][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 260.379773][ T74] netlink_rcv_skb+0x130/0x360 [ 260.379773][ T74] netlink_unicast+0x449/0x710 [ 260.379773][ T74] netlink_sendmsg+0x723/0xbe0 [ 260.379773][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 260.379773][ T74] ___sys_sendmsg+0xee/0x170 [ 260.379773][ T74] __sys_sendmsg+0xcd/0x170 [ 260.379773][ T74] do_syscall_64+0xc6/0x1e0 [ 260.379773][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 260.379773][ T74] [ 260.381563][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 260.381563][ T74] neigh_parms_alloc+0x1e5/0x510 [ 260.381563][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 260.381563][ T74] ipv6_find_idev+0x102/0x170 [ 260.381563][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 260.381563][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 260.381563][ T74] netlink_rcv_skb+0x130/0x360 [ 260.381563][ T74] netlink_unicast+0x449/0x710 [ 260.381563][ T74] netlink_sendmsg+0x723/0xbe0 [ 260.381563][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 260.381563][ T74] ___sys_sendmsg+0xee/0x170 [ 260.381563][ T74] __sys_sendmsg+0xcd/0x170 [ 260.381563][ T74] do_syscall_64+0xc6/0x1e0 [ 260.381563][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 260.381563][ T74] [ 260.383521][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 260.383776][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 260.383776][ T74] netdev_get_by_index+0x5e/0x80 [ 260.383776][ T74] fib6_nh_init+0x3d8/0x1580 [ 260.383776][ T74] ip6_route_info_create+0xf18/0x17d0 [ 260.383776][ T74] ip6_route_add+0x1c/0x140 [ 260.383776][ T74] addrconf_prefix_route+0x2a6/0x430 [ 260.383776][ T74] inet6_addr_add+0x4f8/0xa40 [ 260.383776][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 260.383776][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 260.383776][ T74] netlink_rcv_skb+0x130/0x360 [ 260.383776][ T74] netlink_unicast+0x449/0x710 [ 260.383776][ T74] netlink_sendmsg+0x723/0xbe0 [ 260.383776][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 260.383776][ T74] ___sys_sendmsg+0xee/0x170 [ 260.383776][ T74] __sys_sendmsg+0xcd/0x170 [ 260.383776][ T74] do_syscall_64+0xc6/0x1e0 [ 260.383776][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 260.383776][ T74] [ 260.386071][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 260.386071][ T74] netdev_get_by_index+0x5e/0x80 [ 260.386071][ T74] fib6_nh_init+0x3d8/0x1580 [ 260.386071][ T74] ip6_route_info_create+0xf18/0x17d0 [ 260.386071][ T74] addrconf_f6i_alloc+0x315/0x560 [ 260.386071][ T74] ipv6_add_addr+0x411/0x2000 [ 260.386071][ T74] inet6_addr_add+0x30e/0xa40 [ 260.386071][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 260.386071][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 260.386071][ T74] netlink_rcv_skb+0x130/0x360 [ 260.386071][ T74] netlink_unicast+0x449/0x710 [ 260.386071][ T74] netlink_sendmsg+0x723/0xbe0 [ 260.386071][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 260.386071][ T74] ___sys_sendmsg+0xee/0x170 [ 260.386071][ T74] __sys_sendmsg+0xcd/0x170 [ 260.386071][ T74] do_syscall_64+0xc6/0x1e0 [ 260.386071][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 260.386071][ T74] [ 260.388503][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 260.388503][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 260.388503][ T74] ipv6_find_idev+0x102/0x170 [ 260.388503][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 260.388503][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 260.388503][ T74] netlink_rcv_skb+0x130/0x360 [ 260.388503][ T74] netlink_unicast+0x449/0x710 [ 260.388503][ T74] netlink_sendmsg+0x723/0xbe0 [ 260.388503][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 260.388503][ T74] ___sys_sendmsg+0xee/0x170 [ 260.388503][ T74] __sys_sendmsg+0xcd/0x170 [ 260.388503][ T74] do_syscall_64+0xc6/0x1e0 [ 260.388503][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 260.388503][ T74] [ 260.391262][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 260.391262][ T74] neigh_parms_alloc+0x1e5/0x510 [ 260.391262][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 260.391262][ T74] ipv6_find_idev+0x102/0x170 [ 260.391262][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 260.391262][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 260.391262][ T74] netlink_rcv_skb+0x130/0x360 [ 260.391262][ T74] netlink_unicast+0x449/0x710 [ 260.391262][ T74] netlink_sendmsg+0x723/0xbe0 [ 260.391262][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 260.391262][ T74] ___sys_sendmsg+0xee/0x170 [ 260.391262][ T74] __sys_sendmsg+0xcd/0x170 [ 260.391262][ T74] do_syscall_64+0xc6/0x1e0 [ 260.391262][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 260.391262][ T74] [ 263.392906][ T1768] br0: port 1(vx0) entered blocking state [ 263.393179][ T1768] br0: port 1(vx0) entered disabled state [ 263.393354][ T1768] vx0: entered allmulticast mode [ 263.394554][ T1768] vx0: entered promiscuous mode [ 263.402227][ T1768] br0: port 1(vx0) entered blocking state [ 263.402420][ T1768] br0: port 1(vx0) entered forwarding state [ 270.472043][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 270.472475][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 270.472475][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 270.472475][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 270.472475][ T74] fib6_nh_init+0xa22/0x1580 [ 270.472475][ T74] ip6_route_info_create+0xf18/0x17d0 [ 270.472475][ T74] ip6_route_add+0x1c/0x140 [ 270.472475][ T74] inet6_rtm_newroute+0x104/0x110 [ 270.472475][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 270.472475][ T74] netlink_rcv_skb+0x130/0x360 [ 270.472475][ T74] netlink_unicast+0x449/0x710 [ 270.472475][ T74] netlink_sendmsg+0x723/0xbe0 [ 270.472475][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 270.472475][ T74] ___sys_sendmsg+0xee/0x170 [ 270.472475][ T74] __sys_sendmsg+0xcd/0x170 [ 270.472475][ T74] do_syscall_64+0xc6/0x1e0 [ 270.472475][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 270.472475][ T74] [ 270.474556][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 270.474556][ T74] netdev_get_by_index+0x5e/0x80 [ 270.474556][ T74] fib6_nh_init+0x3d8/0x1580 [ 270.474556][ T74] ip6_route_info_create+0xf18/0x17d0 [ 270.474556][ T74] addrconf_f6i_alloc+0x265/0x560 [ 270.474556][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 270.474556][ T74] addrconf_join_anycast+0x1c0/0x220 [ 270.474556][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 270.474556][ T74] addrconf_dad_completed+0x12b/0xe20 [ 270.474556][ T74] addrconf_dad_begin+0x310/0x670 [ 270.474556][ T74] addrconf_dad_work+0x10b/0xab0 [ 270.474556][ T74] process_one_work+0x84d/0x18a0 [ 270.474556][ T74] worker_thread+0x587/0xd30 [ 270.474556][ T74] kthread+0x28a/0x350 [ 270.474556][ T74] ret_from_fork+0x31/0x70 [ 270.474556][ T74] ret_from_fork_asm+0x1a/0x30 [ 270.474556][ T74] [ 270.476595][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 270.476595][ T74] netdev_get_by_index+0x5e/0x80 [ 270.476595][ T74] fib6_nh_init+0x3d8/0x1580 [ 270.476595][ T74] ip6_route_info_create+0xf18/0x17d0 [ 270.476595][ T74] ip6_route_add+0x1c/0x140 [ 270.476595][ T74] addrconf_prefix_route+0x2a6/0x430 [ 270.476595][ T74] inet6_addr_add+0x4f8/0xa40 [ 270.476595][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 270.476595][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 270.476595][ T74] netlink_rcv_skb+0x130/0x360 [ 270.476595][ T74] netlink_unicast+0x449/0x710 [ 270.476595][ T74] netlink_sendmsg+0x723/0xbe0 [ 270.476595][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 270.476595][ T74] ___sys_sendmsg+0xee/0x170 [ 270.476595][ T74] __sys_sendmsg+0xcd/0x170 [ 270.476595][ T74] do_syscall_64+0xc6/0x1e0 [ 270.476595][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 270.476595][ T74] [ 270.478715][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 270.478715][ T74] netdev_get_by_index+0x5e/0x80 [ 270.478715][ T74] fib6_nh_init+0x3d8/0x1580 [ 270.478715][ T74] ip6_route_info_create+0xf18/0x17d0 [ 270.478715][ T74] addrconf_f6i_alloc+0x315/0x560 [ 270.478715][ T74] ipv6_add_addr+0x411/0x2000 [ 270.478715][ T74] inet6_addr_add+0x30e/0xa40 [ 270.478715][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 270.478715][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 270.478715][ T74] netlink_rcv_skb+0x130/0x360 [ 270.478715][ T74] netlink_unicast+0x449/0x710 [ 270.478715][ T74] netlink_sendmsg+0x723/0xbe0 [ 270.478715][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 270.478715][ T74] ___sys_sendmsg+0xee/0x170 [ 270.478715][ T74] __sys_sendmsg+0xcd/0x170 [ 270.478715][ T74] do_syscall_64+0xc6/0x1e0 [ 270.478715][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 270.478715][ T74] [ 270.480813][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 270.480813][ T74] netdev_get_by_index+0x5e/0x80 [ 270.480813][ T74] fib6_nh_init+0x3d8/0x1580 [ 270.480813][ T74] ip6_route_info_create+0xf18/0x17d0 [ 270.480813][ T74] ip6_route_add+0x1c/0x140 [ 270.480813][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 270.480813][ T74] addrconf_add_dev+0xe2/0x170 [ 270.480813][ T74] inet6_addr_add+0x12f/0xa40 [ 270.480813][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 270.480813][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 270.480813][ T74] netlink_rcv_skb+0x130/0x360 [ 270.480813][ T74] netlink_unicast+0x449/0x710 [ 270.480813][ T74] netlink_sendmsg+0x723/0xbe0 [ 270.480813][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 270.480813][ T74] ___sys_sendmsg+0xee/0x170 [ 270.480813][ T74] __sys_sendmsg+0xcd/0x170 [ 270.480813][ T74] do_syscall_64+0xc6/0x1e0 [ 270.480813][ T74] [ 270.482869][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 270.482869][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 270.482869][ T74] ipv6_find_idev+0x102/0x170 [ 270.482869][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 270.482869][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 270.482869][ T74] netlink_rcv_skb+0x130/0x360 [ 270.482869][ T74] netlink_unicast+0x449/0x710 [ 270.482869][ T74] netlink_sendmsg+0x723/0xbe0 [ 270.482869][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 270.482869][ T74] ___sys_sendmsg+0xee/0x170 [ 270.482869][ T74] __sys_sendmsg+0xcd/0x170 [ 270.482869][ T74] do_syscall_64+0xc6/0x1e0 [ 270.482869][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 270.482869][ T74] [ 270.484488][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 270.484488][ T74] neigh_parms_alloc+0x1e5/0x510 [ 270.484488][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 270.484488][ T74] ipv6_find_idev+0x102/0x170 [ 270.484488][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 270.484488][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 270.484488][ T74] netlink_rcv_skb+0x130/0x360 [ 270.484488][ T74] netlink_unicast+0x449/0x710 [ 270.484488][ T74] netlink_sendmsg+0x723/0xbe0 [ 270.484488][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 270.484488][ T74] ___sys_sendmsg+0xee/0x170 [ 270.484488][ T74] __sys_sendmsg+0xcd/0x170 [ 270.484488][ T74] do_syscall_64+0xc6/0x1e0 [ 270.484488][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 270.484488][ T74] [ 270.486318][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 270.486619][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 270.486619][ T74] dst_init+0x84/0x4a0 [ 270.486619][ T74] dst_alloc+0x97/0x150 [ 270.486619][ T74] ip6_dst_alloc+0x23/0x90 [ 270.486619][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 270.486619][ T74] ip6_pol_route+0x56f/0x840 [ 270.486619][ T74] fib6_rule_lookup+0x456/0x630 [ 270.486619][ T74] ip6_route_input+0x59c/0xa50 [ 270.486619][ T74] ipv6_rcv+0x397/0x810 [ 270.486619][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 270.486619][ T74] process_backlog+0x101/0x620 [ 270.486619][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 270.486619][ T74] net_rx_action+0x495/0xbe0 [ 270.486619][ T74] __do_softirq+0x1b5/0x7f6 [ 270.486619][ T74] [ 270.488336][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 270.488336][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 270.488336][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 270.488336][ T74] fib6_nh_init+0xa22/0x1580 [ 270.488336][ T74] ip6_route_info_create+0xf18/0x17d0 [ 270.488336][ T74] ip6_route_add+0x1c/0x140 [ 270.488336][ T74] inet6_rtm_newroute+0x104/0x110 [ 270.488336][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 270.488336][ T74] netlink_rcv_skb+0x130/0x360 [ 270.488336][ T74] netlink_unicast+0x449/0x710 [ 270.488336][ T74] netlink_sendmsg+0x723/0xbe0 [ 270.488336][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 270.488336][ T74] ___sys_sendmsg+0xee/0x170 [ 270.488336][ T74] __sys_sendmsg+0xcd/0x170 [ 270.488336][ T74] do_syscall_64+0xc6/0x1e0 [ 270.488336][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 270.488336][ T74] [ 270.490280][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 270.490280][ T74] netdev_get_by_index+0x5e/0x80 [ 270.490280][ T74] fib6_nh_init+0x3d8/0x1580 [ 270.490280][ T74] ip6_route_info_create+0xf18/0x17d0 [ 270.490280][ T74] addrconf_f6i_alloc+0x265/0x560 [ 270.490280][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 270.490280][ T74] addrconf_join_anycast+0x1c0/0x220 [ 270.490280][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 270.490280][ T74] addrconf_dad_completed+0x12b/0xe20 [ 270.490280][ T74] addrconf_dad_begin+0x310/0x670 [ 270.490280][ T74] addrconf_dad_work+0x10b/0xab0 [ 270.490280][ T74] process_one_work+0x84d/0x18a0 [ 270.490280][ T74] worker_thread+0x587/0xd30 [ 270.490280][ T74] kthread+0x28a/0x350 [ 270.490280][ T74] ret_from_fork+0x31/0x70 [ 270.490280][ T74] ret_from_fork_asm+0x1a/0x30 [ 270.490280][ T74] [ 270.492277][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 270.492277][ T74] netdev_get_by_index+0x5e/0x80 [ 270.492277][ T74] fib6_nh_init+0x3d8/0x1580 [ 270.492277][ T74] ip6_route_info_create+0xf18/0x17d0 [ 270.492277][ T74] ip6_route_add+0x1c/0x140 [ 270.492277][ T74] addrconf_prefix_route+0x2a6/0x430 [ 270.492277][ T74] inet6_addr_add+0x4f8/0xa40 [ 270.492277][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 270.492277][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 270.492277][ T74] netlink_rcv_skb+0x130/0x360 [ 270.492277][ T74] netlink_unicast+0x449/0x710 [ 270.492277][ T74] netlink_sendmsg+0x723/0xbe0 [ 270.492277][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 270.492277][ T74] ___sys_sendmsg+0xee/0x170 [ 270.492277][ T74] __sys_sendmsg+0xcd/0x170 [ 270.492277][ T74] do_syscall_64+0xc6/0x1e0 [ 270.492277][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 270.492277][ T74] [ 270.494356][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 270.494356][ T74] netdev_get_by_index+0x5e/0x80 [ 270.494356][ T74] fib6_nh_init+0x3d8/0x1580 [ 270.494356][ T74] ip6_route_info_create+0xf18/0x17d0 [ 270.494356][ T74] addrconf_f6i_alloc+0x315/0x560 [ 270.494356][ T74] ipv6_add_addr+0x411/0x2000 [ 270.494356][ T74] inet6_addr_add+0x30e/0xa40 [ 270.494356][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 270.494356][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 270.494356][ T74] netlink_rcv_skb+0x130/0x360 [ 270.494356][ T74] netlink_unicast+0x449/0x710 [ 270.494356][ T74] netlink_sendmsg+0x723/0xbe0 [ 270.494356][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 270.494356][ T74] ___sys_sendmsg+0xee/0x170 [ 270.494356][ T74] __sys_sendmsg+0xcd/0x170 [ 270.494356][ T74] do_syscall_64+0xc6/0x1e0 [ 270.494356][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 270.494356][ T74] [ 270.496440][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 270.496440][ T74] netdev_get_by_index+0x5e/0x80 [ 270.496440][ T74] fib6_nh_init+0x3d8/0x1580 [ 270.496440][ T74] ip6_route_info_create+0xf18/0x17d0 [ 270.496440][ T74] ip6_route_add+0x1c/0x140 [ 270.496440][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 270.496440][ T74] addrconf_add_dev+0xe2/0x170 [ 270.496440][ T74] inet6_addr_add+0x12f/0xa40 [ 270.496440][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 270.496440][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 270.496440][ T74] netlink_rcv_skb+0x130/0x360 [ 270.496440][ T74] netlink_unicast+0x449/0x710 [ 270.496440][ T74] netlink_sendmsg+0x723/0xbe0 [ 270.496440][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 270.496440][ T74] ___sys_sendmsg+0xee/0x170 [ 270.496440][ T74] __sys_sendmsg+0xcd/0x170 [ 270.496440][ T74] do_syscall_64+0xc6/0x1e0 [ 270.496440][ T74] [ 270.498485][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 270.498485][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 270.498485][ T74] ipv6_find_idev+0x102/0x170 [ 270.498485][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 270.498485][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 270.498485][ T74] netlink_rcv_skb+0x130/0x360 [ 270.498485][ T74] netlink_unicast+0x449/0x710 [ 270.498485][ T74] netlink_sendmsg+0x723/0xbe0 [ 270.498485][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 270.498485][ T74] ___sys_sendmsg+0xee/0x170 [ 270.498485][ T74] __sys_sendmsg+0xcd/0x170 [ 270.498485][ T74] do_syscall_64+0xc6/0x1e0 [ 270.498485][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 270.498485][ T74] [ 270.500213][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 270.500213][ T74] neigh_parms_alloc+0x1e5/0x510 [ 270.500213][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 270.500213][ T74] ipv6_find_idev+0x102/0x170 [ 270.500213][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 270.500213][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 270.500213][ T74] netlink_rcv_skb+0x130/0x360 [ 270.500213][ T74] netlink_unicast+0x449/0x710 [ 270.500213][ T74] netlink_sendmsg+0x723/0xbe0 [ 270.500213][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 270.500213][ T74] ___sys_sendmsg+0xee/0x170 [ 270.500213][ T74] __sys_sendmsg+0xcd/0x170 [ 270.500213][ T74] do_syscall_64+0xc6/0x1e0 [ 270.500213][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 270.500213][ T74] [ 270.502340][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 270.502596][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 270.502596][ T74] netdev_get_by_index+0x5e/0x80 [ 270.502596][ T74] fib6_nh_init+0x3d8/0x1580 [ 270.502596][ T74] ip6_route_info_create+0xf18/0x17d0 [ 270.502596][ T74] ip6_route_add+0x1c/0x140 [ 270.502596][ T74] addrconf_prefix_route+0x2a6/0x430 [ 270.502596][ T74] inet6_addr_add+0x4f8/0xa40 [ 270.502596][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 270.502596][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 270.502596][ T74] netlink_rcv_skb+0x130/0x360 [ 270.502596][ T74] netlink_unicast+0x449/0x710 [ 270.502596][ T74] netlink_sendmsg+0x723/0xbe0 [ 270.502596][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 270.502596][ T74] ___sys_sendmsg+0xee/0x170 [ 270.502596][ T74] __sys_sendmsg+0xcd/0x170 [ 270.502596][ T74] do_syscall_64+0xc6/0x1e0 [ 270.502596][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 270.502596][ T74] [ 270.504946][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 270.504946][ T74] netdev_get_by_index+0x5e/0x80 [ 270.504946][ T74] fib6_nh_init+0x3d8/0x1580 [ 270.504946][ T74] ip6_route_info_create+0xf18/0x17d0 [ 270.504946][ T74] addrconf_f6i_alloc+0x315/0x560 [ 270.504946][ T74] ipv6_add_addr+0x411/0x2000 [ 270.504946][ T74] inet6_addr_add+0x30e/0xa40 [ 270.504946][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 270.504946][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 270.504946][ T74] netlink_rcv_skb+0x130/0x360 [ 270.504946][ T74] netlink_unicast+0x449/0x710 [ 270.504946][ T74] netlink_sendmsg+0x723/0xbe0 [ 270.504946][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 270.504946][ T74] ___sys_sendmsg+0xee/0x170 [ 270.504946][ T74] __sys_sendmsg+0xcd/0x170 [ 270.504946][ T74] do_syscall_64+0xc6/0x1e0 [ 270.504946][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 270.504946][ T74] [ 270.507308][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 270.507308][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 270.507308][ T74] ipv6_find_idev+0x102/0x170 [ 270.507308][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 270.507308][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 270.507308][ T74] netlink_rcv_skb+0x130/0x360 [ 270.507308][ T74] netlink_unicast+0x449/0x710 [ 270.507308][ T74] netlink_sendmsg+0x723/0xbe0 [ 270.507308][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 270.507308][ T74] ___sys_sendmsg+0xee/0x170 [ 270.507308][ T74] __sys_sendmsg+0xcd/0x170 [ 270.507308][ T74] do_syscall_64+0xc6/0x1e0 [ 270.507308][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 270.507308][ T74] [ 270.509065][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 270.509065][ T74] neigh_parms_alloc+0x1e5/0x510 [ 270.509065][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 270.509065][ T74] ipv6_find_idev+0x102/0x170 [ 270.509065][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 270.509065][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 270.509065][ T74] netlink_rcv_skb+0x130/0x360 [ 270.509065][ T74] netlink_unicast+0x449/0x710 [ 270.509065][ T74] netlink_sendmsg+0x723/0xbe0 [ 270.509065][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 270.509065][ T74] ___sys_sendmsg+0xee/0x170 [ 270.509065][ T74] __sys_sendmsg+0xcd/0x170 [ 270.509065][ T74] do_syscall_64+0xc6/0x1e0 [ 270.509065][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 270.509065][ T74] [ 280.615905][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 280.616371][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 280.616371][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 280.616371][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 280.616371][ T74] fib6_nh_init+0xa22/0x1580 [ 280.616371][ T74] ip6_route_info_create+0xf18/0x17d0 [ 280.616371][ T74] ip6_route_add+0x1c/0x140 [ 280.616371][ T74] inet6_rtm_newroute+0x104/0x110 [ 280.616371][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 280.616371][ T74] netlink_rcv_skb+0x130/0x360 [ 280.616371][ T74] netlink_unicast+0x449/0x710 [ 280.616371][ T74] netlink_sendmsg+0x723/0xbe0 [ 280.616371][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 280.616371][ T74] ___sys_sendmsg+0xee/0x170 [ 280.616371][ T74] __sys_sendmsg+0xcd/0x170 [ 280.616371][ T74] do_syscall_64+0xc6/0x1e0 [ 280.616371][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 280.616371][ T74] [ 280.618742][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 280.618742][ T74] netdev_get_by_index+0x5e/0x80 [ 280.618742][ T74] fib6_nh_init+0x3d8/0x1580 [ 280.618742][ T74] ip6_route_info_create+0xf18/0x17d0 [ 280.618742][ T74] addrconf_f6i_alloc+0x265/0x560 [ 280.618742][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 280.618742][ T74] addrconf_join_anycast+0x1c0/0x220 [ 280.618742][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 280.618742][ T74] addrconf_dad_completed+0x12b/0xe20 [ 280.618742][ T74] addrconf_dad_begin+0x310/0x670 [ 280.618742][ T74] addrconf_dad_work+0x10b/0xab0 [ 280.618742][ T74] process_one_work+0x84d/0x18a0 [ 280.618742][ T74] worker_thread+0x587/0xd30 [ 280.618742][ T74] kthread+0x28a/0x350 [ 280.618742][ T74] ret_from_fork+0x31/0x70 [ 280.618742][ T74] ret_from_fork_asm+0x1a/0x30 [ 280.618742][ T74] [ 280.620872][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 280.620872][ T74] netdev_get_by_index+0x5e/0x80 [ 280.620872][ T74] fib6_nh_init+0x3d8/0x1580 [ 280.620872][ T74] ip6_route_info_create+0xf18/0x17d0 [ 280.620872][ T74] ip6_route_add+0x1c/0x140 [ 280.620872][ T74] addrconf_prefix_route+0x2a6/0x430 [ 280.620872][ T74] inet6_addr_add+0x4f8/0xa40 [ 280.620872][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 280.620872][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 280.620872][ T74] netlink_rcv_skb+0x130/0x360 [ 280.620872][ T74] netlink_unicast+0x449/0x710 [ 280.620872][ T74] netlink_sendmsg+0x723/0xbe0 [ 280.620872][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 280.620872][ T74] ___sys_sendmsg+0xee/0x170 [ 280.620872][ T74] __sys_sendmsg+0xcd/0x170 [ 280.620872][ T74] do_syscall_64+0xc6/0x1e0 [ 280.620872][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 280.620872][ T74] [ 280.622990][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 280.622990][ T74] netdev_get_by_index+0x5e/0x80 [ 280.622990][ T74] fib6_nh_init+0x3d8/0x1580 [ 280.622990][ T74] ip6_route_info_create+0xf18/0x17d0 [ 280.622990][ T74] addrconf_f6i_alloc+0x315/0x560 [ 280.622990][ T74] ipv6_add_addr+0x411/0x2000 [ 280.622990][ T74] inet6_addr_add+0x30e/0xa40 [ 280.622990][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 280.622990][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 280.622990][ T74] netlink_rcv_skb+0x130/0x360 [ 280.622990][ T74] netlink_unicast+0x449/0x710 [ 280.622990][ T74] netlink_sendmsg+0x723/0xbe0 [ 280.622990][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 280.622990][ T74] ___sys_sendmsg+0xee/0x170 [ 280.622990][ T74] __sys_sendmsg+0xcd/0x170 [ 280.622990][ T74] do_syscall_64+0xc6/0x1e0 [ 280.622990][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 280.622990][ T74] [ 280.625111][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 280.625111][ T74] netdev_get_by_index+0x5e/0x80 [ 280.625111][ T74] fib6_nh_init+0x3d8/0x1580 [ 280.625111][ T74] ip6_route_info_create+0xf18/0x17d0 [ 280.625111][ T74] ip6_route_add+0x1c/0x140 [ 280.625111][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 280.625111][ T74] addrconf_add_dev+0xe2/0x170 [ 280.625111][ T74] inet6_addr_add+0x12f/0xa40 [ 280.625111][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 280.625111][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 280.625111][ T74] netlink_rcv_skb+0x130/0x360 [ 280.625111][ T74] netlink_unicast+0x449/0x710 [ 280.625111][ T74] netlink_sendmsg+0x723/0xbe0 [ 280.625111][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 280.625111][ T74] ___sys_sendmsg+0xee/0x170 [ 280.625111][ T74] __sys_sendmsg+0xcd/0x170 [ 280.625111][ T74] do_syscall_64+0xc6/0x1e0 [ 280.625111][ T74] [ 280.627645][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 280.627645][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 280.627645][ T74] ipv6_find_idev+0x102/0x170 [ 280.627645][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 280.627645][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 280.627645][ T74] netlink_rcv_skb+0x130/0x360 [ 280.627645][ T74] netlink_unicast+0x449/0x710 [ 280.627645][ T74] netlink_sendmsg+0x723/0xbe0 [ 280.627645][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 280.627645][ T74] ___sys_sendmsg+0xee/0x170 [ 280.627645][ T74] __sys_sendmsg+0xcd/0x170 [ 280.627645][ T74] do_syscall_64+0xc6/0x1e0 [ 280.627645][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 280.627645][ T74] [ 280.630300][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 280.630300][ T74] neigh_parms_alloc+0x1e5/0x510 [ 280.630300][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 280.630300][ T74] ipv6_find_idev+0x102/0x170 [ 280.630300][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 280.630300][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 280.630300][ T74] netlink_rcv_skb+0x130/0x360 [ 280.630300][ T74] netlink_unicast+0x449/0x710 [ 280.630300][ T74] netlink_sendmsg+0x723/0xbe0 [ 280.630300][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 280.630300][ T74] ___sys_sendmsg+0xee/0x170 [ 280.630300][ T74] __sys_sendmsg+0xcd/0x170 [ 280.630300][ T74] do_syscall_64+0xc6/0x1e0 [ 280.630300][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 280.630300][ T74] [ 280.632999][ T1898] veth0: renamed from veth1 [ 280.633010][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 280.633507][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 280.633507][ T74] dst_init+0x84/0x4a0 [ 280.633507][ T74] dst_alloc+0x97/0x150 [ 280.633507][ T74] ip6_dst_alloc+0x23/0x90 [ 280.633507][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 280.633507][ T74] ip6_pol_route+0x56f/0x840 [ 280.633507][ T74] fib6_rule_lookup+0x456/0x630 [ 280.633507][ T74] ip6_route_input+0x59c/0xa50 [ 280.633507][ T74] ipv6_rcv+0x397/0x810 [ 280.633507][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 280.633507][ T74] process_backlog+0x101/0x620 [ 280.633507][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 280.633507][ T74] net_rx_action+0x495/0xbe0 [ 280.633507][ T74] __do_softirq+0x1b5/0x7f6 [ 280.633507][ T74] [ 280.635643][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 280.635643][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 280.635643][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 280.635643][ T74] fib6_nh_init+0xa22/0x1580 [ 280.635643][ T74] ip6_route_info_create+0xf18/0x17d0 [ 280.635643][ T74] ip6_route_add+0x1c/0x140 [ 280.635643][ T74] inet6_rtm_newroute+0x104/0x110 [ 280.635643][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 280.635643][ T74] netlink_rcv_skb+0x130/0x360 [ 280.635643][ T74] netlink_unicast+0x449/0x710 [ 280.635643][ T74] netlink_sendmsg+0x723/0xbe0 [ 280.635643][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 280.635643][ T74] ___sys_sendmsg+0xee/0x170 [ 280.635643][ T74] __sys_sendmsg+0xcd/0x170 [ 280.635643][ T74] do_syscall_64+0xc6/0x1e0 [ 280.635643][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 280.635643][ T74] [ 280.638148][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 280.638148][ T74] netdev_get_by_index+0x5e/0x80 [ 280.638148][ T74] fib6_nh_init+0x3d8/0x1580 [ 280.638148][ T74] ip6_route_info_create+0xf18/0x17d0 [ 280.638148][ T74] addrconf_f6i_alloc+0x265/0x560 [ 280.638148][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 280.638148][ T74] addrconf_join_anycast+0x1c0/0x220 [ 280.638148][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 280.638148][ T74] addrconf_dad_completed+0x12b/0xe20 [ 280.638148][ T74] addrconf_dad_begin+0x310/0x670 [ 280.638148][ T74] addrconf_dad_work+0x10b/0xab0 [ 280.638148][ T74] process_one_work+0x84d/0x18a0 [ 280.638148][ T74] worker_thread+0x587/0xd30 [ 280.638148][ T74] kthread+0x28a/0x350 [ 280.638148][ T74] ret_from_fork+0x31/0x70 [ 280.638148][ T74] ret_from_fork_asm+0x1a/0x30 [ 280.638148][ T74] [ 280.640369][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 280.640369][ T74] netdev_get_by_index+0x5e/0x80 [ 280.640369][ T74] fib6_nh_init+0x3d8/0x1580 [ 280.640369][ T74] ip6_route_info_create+0xf18/0x17d0 [ 280.640369][ T74] ip6_route_add+0x1c/0x140 [ 280.640369][ T74] addrconf_prefix_route+0x2a6/0x430 [ 280.640369][ T74] inet6_addr_add+0x4f8/0xa40 [ 280.640369][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 280.640369][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 280.640369][ T74] netlink_rcv_skb+0x130/0x360 [ 280.640369][ T74] netlink_unicast+0x449/0x710 [ 280.640369][ T74] netlink_sendmsg+0x723/0xbe0 [ 280.640369][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 280.640369][ T74] ___sys_sendmsg+0xee/0x170 [ 280.640369][ T74] __sys_sendmsg+0xcd/0x170 [ 280.640369][ T74] do_syscall_64+0xc6/0x1e0 [ 280.640369][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 280.640369][ T74] [ 280.642805][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 280.642805][ T74] netdev_get_by_index+0x5e/0x80 [ 280.642805][ T74] fib6_nh_init+0x3d8/0x1580 [ 280.642805][ T74] ip6_route_info_create+0xf18/0x17d0 [ 280.642805][ T74] addrconf_f6i_alloc+0x315/0x560 [ 280.642805][ T74] ipv6_add_addr+0x411/0x2000 [ 280.642805][ T74] inet6_addr_add+0x30e/0xa40 [ 280.642805][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 280.642805][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 280.642805][ T74] netlink_rcv_skb+0x130/0x360 [ 280.642805][ T74] netlink_unicast+0x449/0x710 [ 280.642805][ T74] netlink_sendmsg+0x723/0xbe0 [ 280.642805][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 280.642805][ T74] ___sys_sendmsg+0xee/0x170 [ 280.642805][ T74] __sys_sendmsg+0xcd/0x170 [ 280.642805][ T74] do_syscall_64+0xc6/0x1e0 [ 280.642805][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 280.642805][ T74] [ 280.645317][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 280.645317][ T74] netdev_get_by_index+0x5e/0x80 [ 280.645317][ T74] fib6_nh_init+0x3d8/0x1580 [ 280.645317][ T74] ip6_route_info_create+0xf18/0x17d0 [ 280.645317][ T74] ip6_route_add+0x1c/0x140 [ 280.645317][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 280.645317][ T74] addrconf_add_dev+0xe2/0x170 [ 280.645317][ T74] inet6_addr_add+0x12f/0xa40 [ 280.645317][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 280.645317][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 280.645317][ T74] netlink_rcv_skb+0x130/0x360 [ 280.645317][ T74] netlink_unicast+0x449/0x710 [ 280.645317][ T74] netlink_sendmsg+0x723/0xbe0 [ 280.645317][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 280.645317][ T74] ___sys_sendmsg+0xee/0x170 [ 280.645317][ T74] __sys_sendmsg+0xcd/0x170 [ 280.645317][ T74] do_syscall_64+0xc6/0x1e0 [ 280.645317][ T74] [ 280.647891][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 280.647891][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 280.647891][ T74] ipv6_find_idev+0x102/0x170 [ 280.647891][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 280.647891][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 280.647891][ T74] netlink_rcv_skb+0x130/0x360 [ 280.647891][ T74] netlink_unicast+0x449/0x710 [ 280.647891][ T74] netlink_sendmsg+0x723/0xbe0 [ 280.647891][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 280.647891][ T74] ___sys_sendmsg+0xee/0x170 [ 280.647891][ T74] __sys_sendmsg+0xcd/0x170 [ 280.647891][ T74] do_syscall_64+0xc6/0x1e0 [ 280.647891][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 280.647891][ T74] [ 280.649711][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 280.649711][ T74] neigh_parms_alloc+0x1e5/0x510 [ 280.649711][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 280.649711][ T74] ipv6_find_idev+0x102/0x170 [ 280.649711][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 280.649711][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 280.649711][ T74] netlink_rcv_skb+0x130/0x360 [ 280.649711][ T74] netlink_unicast+0x449/0x710 [ 280.649711][ T74] netlink_sendmsg+0x723/0xbe0 [ 280.649711][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 280.649711][ T74] ___sys_sendmsg+0xee/0x170 [ 280.649711][ T74] __sys_sendmsg+0xcd/0x170 [ 280.649711][ T74] do_syscall_64+0xc6/0x1e0 [ 280.649711][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 280.649711][ T74] [ 280.651888][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 280.652160][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 280.652160][ T74] netdev_get_by_index+0x5e/0x80 [ 280.652160][ T74] fib6_nh_init+0x3d8/0x1580 [ 280.652160][ T74] ip6_route_info_create+0xf18/0x17d0 [ 280.652160][ T74] ip6_route_add+0x1c/0x140 [ 280.652160][ T74] addrconf_prefix_route+0x2a6/0x430 [ 280.652160][ T74] inet6_addr_add+0x4f8/0xa40 [ 280.652160][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 280.652160][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 280.652160][ T74] netlink_rcv_skb+0x130/0x360 [ 280.652160][ T74] netlink_unicast+0x449/0x710 [ 280.652160][ T74] netlink_sendmsg+0x723/0xbe0 [ 280.652160][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 280.652160][ T74] ___sys_sendmsg+0xee/0x170 [ 280.652160][ T74] __sys_sendmsg+0xcd/0x170 [ 280.652160][ T74] do_syscall_64+0xc6/0x1e0 [ 280.652160][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 280.652160][ T74] [ 280.654556][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 280.654556][ T74] netdev_get_by_index+0x5e/0x80 [ 280.654556][ T74] fib6_nh_init+0x3d8/0x1580 [ 280.654556][ T74] ip6_route_info_create+0xf18/0x17d0 [ 280.654556][ T74] addrconf_f6i_alloc+0x315/0x560 [ 280.654556][ T74] ipv6_add_addr+0x411/0x2000 [ 280.654556][ T74] inet6_addr_add+0x30e/0xa40 [ 280.654556][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 280.654556][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 280.654556][ T74] netlink_rcv_skb+0x130/0x360 [ 280.654556][ T74] netlink_unicast+0x449/0x710 [ 280.654556][ T74] netlink_sendmsg+0x723/0xbe0 [ 280.654556][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 280.654556][ T74] ___sys_sendmsg+0xee/0x170 [ 280.654556][ T74] __sys_sendmsg+0xcd/0x170 [ 280.654556][ T74] do_syscall_64+0xc6/0x1e0 [ 280.654556][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 280.654556][ T74] [ 280.657143][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 280.657143][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 280.657143][ T74] ipv6_find_idev+0x102/0x170 [ 280.657143][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 280.657143][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 280.657143][ T74] netlink_rcv_skb+0x130/0x360 [ 280.657143][ T74] netlink_unicast+0x449/0x710 [ 280.657143][ T74] netlink_sendmsg+0x723/0xbe0 [ 280.657143][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 280.657143][ T74] ___sys_sendmsg+0xee/0x170 [ 280.657143][ T74] __sys_sendmsg+0xcd/0x170 [ 280.657143][ T74] do_syscall_64+0xc6/0x1e0 [ 280.657143][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 280.657143][ T74] [ 280.659032][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 280.659032][ T74] neigh_parms_alloc+0x1e5/0x510 [ 280.659032][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 280.659032][ T74] ipv6_find_idev+0x102/0x170 [ 280.659032][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 280.659032][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 280.659032][ T74] netlink_rcv_skb+0x130/0x360 [ 280.659032][ T74] netlink_unicast+0x449/0x710 [ 280.659032][ T74] netlink_sendmsg+0x723/0xbe0 [ 280.659032][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 280.659032][ T74] ___sys_sendmsg+0xee/0x170 [ 280.659032][ T74] __sys_sendmsg+0xcd/0x170 [ 280.659032][ T74] do_syscall_64+0xc6/0x1e0 [ 280.659032][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 280.659032][ T74] [ 284.685140][ T1925] br0: port 1(vx0) entered blocking state [ 284.685385][ T1925] br0: port 1(vx0) entered disabled state [ 284.685602][ T1925] vx0: entered allmulticast mode [ 284.686893][ T1925] vx0: entered promiscuous mode [ 284.688894][ T1925] br0: port 1(vx0) entered blocking state [ 284.689104][ T1925] br0: port 1(vx0) entered forwarding state [ 290.278696][ T1955] br0: port 1(vx0) entered blocking state [ 290.279667][ T1955] br0: port 1(vx0) entered disabled state [ 290.279874][ T1955] vx0: entered allmulticast mode [ 290.281137][ T1955] vx0: entered promiscuous mode [ 290.283133][ T1955] br0: port 1(vx0) entered blocking state [ 290.283304][ T1955] br0: port 1(vx0) entered forwarding state [ 290.751937][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 290.752344][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 290.752344][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 290.752344][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 290.752344][ T74] fib6_nh_init+0xa22/0x1580 [ 290.752344][ T74] ip6_route_info_create+0xf18/0x17d0 [ 290.752344][ T74] ip6_route_add+0x1c/0x140 [ 290.752344][ T74] inet6_rtm_newroute+0x104/0x110 [ 290.752344][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 290.752344][ T74] netlink_rcv_skb+0x130/0x360 [ 290.752344][ T74] netlink_unicast+0x449/0x710 [ 290.752344][ T74] netlink_sendmsg+0x723/0xbe0 [ 290.752344][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 290.752344][ T74] ___sys_sendmsg+0xee/0x170 [ 290.752344][ T74] __sys_sendmsg+0xcd/0x170 [ 290.752344][ T74] do_syscall_64+0xc6/0x1e0 [ 290.752344][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 290.752344][ T74] [ 290.754592][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 290.754592][ T74] netdev_get_by_index+0x5e/0x80 [ 290.754592][ T74] fib6_nh_init+0x3d8/0x1580 [ 290.754592][ T74] ip6_route_info_create+0xf18/0x17d0 [ 290.754592][ T74] addrconf_f6i_alloc+0x265/0x560 [ 290.754592][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 290.754592][ T74] addrconf_join_anycast+0x1c0/0x220 [ 290.754592][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 290.754592][ T74] addrconf_dad_completed+0x12b/0xe20 [ 290.754592][ T74] addrconf_dad_begin+0x310/0x670 [ 290.754592][ T74] addrconf_dad_work+0x10b/0xab0 [ 290.754592][ T74] process_one_work+0x84d/0x18a0 [ 290.754592][ T74] worker_thread+0x587/0xd30 [ 290.754592][ T74] kthread+0x28a/0x350 [ 290.754592][ T74] ret_from_fork+0x31/0x70 [ 290.754592][ T74] ret_from_fork_asm+0x1a/0x30 [ 290.754592][ T74] [ 290.756917][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 290.756917][ T74] netdev_get_by_index+0x5e/0x80 [ 290.756917][ T74] fib6_nh_init+0x3d8/0x1580 [ 290.756917][ T74] ip6_route_info_create+0xf18/0x17d0 [ 290.756917][ T74] ip6_route_add+0x1c/0x140 [ 290.756917][ T74] addrconf_prefix_route+0x2a6/0x430 [ 290.756917][ T74] inet6_addr_add+0x4f8/0xa40 [ 290.756917][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 290.756917][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 290.756917][ T74] netlink_rcv_skb+0x130/0x360 [ 290.756917][ T74] netlink_unicast+0x449/0x710 [ 290.756917][ T74] netlink_sendmsg+0x723/0xbe0 [ 290.756917][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 290.756917][ T74] ___sys_sendmsg+0xee/0x170 [ 290.756917][ T74] __sys_sendmsg+0xcd/0x170 [ 290.756917][ T74] do_syscall_64+0xc6/0x1e0 [ 290.756917][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 290.756917][ T74] [ 290.759302][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 290.759302][ T74] netdev_get_by_index+0x5e/0x80 [ 290.759302][ T74] fib6_nh_init+0x3d8/0x1580 [ 290.759302][ T74] ip6_route_info_create+0xf18/0x17d0 [ 290.759302][ T74] addrconf_f6i_alloc+0x315/0x560 [ 290.759302][ T74] ipv6_add_addr+0x411/0x2000 [ 290.759302][ T74] inet6_addr_add+0x30e/0xa40 [ 290.759302][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 290.759302][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 290.759302][ T74] netlink_rcv_skb+0x130/0x360 [ 290.759302][ T74] netlink_unicast+0x449/0x710 [ 290.759302][ T74] netlink_sendmsg+0x723/0xbe0 [ 290.759302][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 290.759302][ T74] ___sys_sendmsg+0xee/0x170 [ 290.759302][ T74] __sys_sendmsg+0xcd/0x170 [ 290.759302][ T74] do_syscall_64+0xc6/0x1e0 [ 290.759302][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 290.759302][ T74] [ 290.761693][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 290.761693][ T74] netdev_get_by_index+0x5e/0x80 [ 290.761693][ T74] fib6_nh_init+0x3d8/0x1580 [ 290.761693][ T74] ip6_route_info_create+0xf18/0x17d0 [ 290.761693][ T74] ip6_route_add+0x1c/0x140 [ 290.761693][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 290.761693][ T74] addrconf_add_dev+0xe2/0x170 [ 290.761693][ T74] inet6_addr_add+0x12f/0xa40 [ 290.761693][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 290.761693][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 290.761693][ T74] netlink_rcv_skb+0x130/0x360 [ 290.761693][ T74] netlink_unicast+0x449/0x710 [ 290.761693][ T74] netlink_sendmsg+0x723/0xbe0 [ 290.761693][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 290.761693][ T74] ___sys_sendmsg+0xee/0x170 [ 290.761693][ T74] __sys_sendmsg+0xcd/0x170 [ 290.761693][ T74] do_syscall_64+0xc6/0x1e0 [ 290.761693][ T74] [ 290.764987][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 290.764987][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 290.764987][ T74] ipv6_find_idev+0x102/0x170 [ 290.764987][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 290.764987][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 290.764987][ T74] netlink_rcv_skb+0x130/0x360 [ 290.764987][ T74] netlink_unicast+0x449/0x710 [ 290.764987][ T74] netlink_sendmsg+0x723/0xbe0 [ 290.764987][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 290.764987][ T74] ___sys_sendmsg+0xee/0x170 [ 290.764987][ T74] __sys_sendmsg+0xcd/0x170 [ 290.764987][ T74] do_syscall_64+0xc6/0x1e0 [ 290.764987][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 290.764987][ T74] [ 290.767744][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 290.767744][ T74] neigh_parms_alloc+0x1e5/0x510 [ 290.767744][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 290.767744][ T74] ipv6_find_idev+0x102/0x170 [ 290.767744][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 290.767744][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 290.767744][ T74] netlink_rcv_skb+0x130/0x360 [ 290.767744][ T74] netlink_unicast+0x449/0x710 [ 290.767744][ T74] netlink_sendmsg+0x723/0xbe0 [ 290.767744][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 290.767744][ T74] ___sys_sendmsg+0xee/0x170 [ 290.767744][ T74] __sys_sendmsg+0xcd/0x170 [ 290.767744][ T74] do_syscall_64+0xc6/0x1e0 [ 290.767744][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 290.767744][ T74] [ 290.771217][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 290.771832][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 290.771832][ T74] dst_init+0x84/0x4a0 [ 290.771832][ T74] dst_alloc+0x97/0x150 [ 290.771832][ T74] ip6_dst_alloc+0x23/0x90 [ 290.771832][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 290.771832][ T74] ip6_pol_route+0x56f/0x840 [ 290.771832][ T74] fib6_rule_lookup+0x456/0x630 [ 290.771832][ T74] ip6_route_input+0x59c/0xa50 [ 290.771832][ T74] ipv6_rcv+0x397/0x810 [ 290.771832][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 290.771832][ T74] process_backlog+0x101/0x620 [ 290.771832][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 290.771832][ T74] net_rx_action+0x495/0xbe0 [ 290.771832][ T74] __do_softirq+0x1b5/0x7f6 [ 290.771832][ T74] [ 290.774732][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 290.774732][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 290.774732][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 290.774732][ T74] fib6_nh_init+0xa22/0x1580 [ 290.774732][ T74] ip6_route_info_create+0xf18/0x17d0 [ 290.774732][ T74] ip6_route_add+0x1c/0x140 [ 290.774732][ T74] inet6_rtm_newroute+0x104/0x110 [ 290.774732][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 290.774732][ T74] netlink_rcv_skb+0x130/0x360 [ 290.774732][ T74] netlink_unicast+0x449/0x710 [ 290.774732][ T74] netlink_sendmsg+0x723/0xbe0 [ 290.774732][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 290.774732][ T74] ___sys_sendmsg+0xee/0x170 [ 290.774732][ T74] __sys_sendmsg+0xcd/0x170 [ 290.774732][ T74] do_syscall_64+0xc6/0x1e0 [ 290.774732][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 290.774732][ T74] [ 290.778155][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 290.778155][ T74] netdev_get_by_index+0x5e/0x80 [ 290.778155][ T74] fib6_nh_init+0x3d8/0x1580 [ 290.778155][ T74] ip6_route_info_create+0xf18/0x17d0 [ 290.778155][ T74] addrconf_f6i_alloc+0x265/0x560 [ 290.778155][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 290.778155][ T74] addrconf_join_anycast+0x1c0/0x220 [ 290.778155][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 290.778155][ T74] addrconf_dad_completed+0x12b/0xe20 [ 290.778155][ T74] addrconf_dad_begin+0x310/0x670 [ 290.778155][ T74] addrconf_dad_work+0x10b/0xab0 [ 290.778155][ T74] process_one_work+0x84d/0x18a0 [ 290.778155][ T74] worker_thread+0x587/0xd30 [ 290.778155][ T74] kthread+0x28a/0x350 [ 290.778155][ T74] ret_from_fork+0x31/0x70 [ 290.778155][ T74] ret_from_fork_asm+0x1a/0x30 [ 290.778155][ T74] [ 290.781568][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 290.781568][ T74] netdev_get_by_index+0x5e/0x80 [ 290.781568][ T74] fib6_nh_init+0x3d8/0x1580 [ 290.781568][ T74] ip6_route_info_create+0xf18/0x17d0 [ 290.781568][ T74] ip6_route_add+0x1c/0x140 [ 290.781568][ T74] addrconf_prefix_route+0x2a6/0x430 [ 290.781568][ T74] inet6_addr_add+0x4f8/0xa40 [ 290.781568][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 290.781568][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 290.781568][ T74] netlink_rcv_skb+0x130/0x360 [ 290.781568][ T74] netlink_unicast+0x449/0x710 [ 290.781568][ T74] netlink_sendmsg+0x723/0xbe0 [ 290.781568][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 290.781568][ T74] ___sys_sendmsg+0xee/0x170 [ 290.781568][ T74] __sys_sendmsg+0xcd/0x170 [ 290.781568][ T74] do_syscall_64+0xc6/0x1e0 [ 290.781568][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 290.781568][ T74] [ 290.785504][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 290.785504][ T74] netdev_get_by_index+0x5e/0x80 [ 290.785504][ T74] fib6_nh_init+0x3d8/0x1580 [ 290.785504][ T74] ip6_route_info_create+0xf18/0x17d0 [ 290.785504][ T74] addrconf_f6i_alloc+0x315/0x560 [ 290.785504][ T74] ipv6_add_addr+0x411/0x2000 [ 290.785504][ T74] inet6_addr_add+0x30e/0xa40 [ 290.785504][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 290.785504][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 290.785504][ T74] netlink_rcv_skb+0x130/0x360 [ 290.785504][ T74] netlink_unicast+0x449/0x710 [ 290.785504][ T74] netlink_sendmsg+0x723/0xbe0 [ 290.785504][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 290.785504][ T74] ___sys_sendmsg+0xee/0x170 [ 290.785504][ T74] __sys_sendmsg+0xcd/0x170 [ 290.785504][ T74] do_syscall_64+0xc6/0x1e0 [ 290.785504][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 290.785504][ T74] [ 290.788619][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 290.788619][ T74] netdev_get_by_index+0x5e/0x80 [ 290.788619][ T74] fib6_nh_init+0x3d8/0x1580 [ 290.788619][ T74] ip6_route_info_create+0xf18/0x17d0 [ 290.788619][ T74] ip6_route_add+0x1c/0x140 [ 290.788619][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 290.788619][ T74] addrconf_add_dev+0xe2/0x170 [ 290.788619][ T74] inet6_addr_add+0x12f/0xa40 [ 290.788619][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 290.788619][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 290.788619][ T74] netlink_rcv_skb+0x130/0x360 [ 290.788619][ T74] netlink_unicast+0x449/0x710 [ 290.788619][ T74] netlink_sendmsg+0x723/0xbe0 [ 290.788619][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 290.788619][ T74] ___sys_sendmsg+0xee/0x170 [ 290.788619][ T74] __sys_sendmsg+0xcd/0x170 [ 290.788619][ T74] do_syscall_64+0xc6/0x1e0 [ 290.788619][ T74] [ 290.791486][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 290.791486][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 290.791486][ T74] ipv6_find_idev+0x102/0x170 [ 290.791486][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 290.791486][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 290.791486][ T74] netlink_rcv_skb+0x130/0x360 [ 290.791486][ T74] netlink_unicast+0x449/0x710 [ 290.791486][ T74] netlink_sendmsg+0x723/0xbe0 [ 290.791486][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 290.791486][ T74] ___sys_sendmsg+0xee/0x170 [ 290.791486][ T74] __sys_sendmsg+0xcd/0x170 [ 290.791486][ T74] do_syscall_64+0xc6/0x1e0 [ 290.791486][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 290.791486][ T74] [ 290.793661][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 290.793661][ T74] neigh_parms_alloc+0x1e5/0x510 [ 290.793661][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 290.793661][ T74] ipv6_find_idev+0x102/0x170 [ 290.793661][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 290.793661][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 290.793661][ T74] netlink_rcv_skb+0x130/0x360 [ 290.793661][ T74] netlink_unicast+0x449/0x710 [ 290.793661][ T74] netlink_sendmsg+0x723/0xbe0 [ 290.793661][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 290.793661][ T74] ___sys_sendmsg+0xee/0x170 [ 290.793661][ T74] __sys_sendmsg+0xcd/0x170 [ 290.793661][ T74] do_syscall_64+0xc6/0x1e0 [ 290.793661][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 290.793661][ T74] [ 290.796103][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 290.796413][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 290.796413][ T74] netdev_get_by_index+0x5e/0x80 [ 290.796413][ T74] fib6_nh_init+0x3d8/0x1580 [ 290.796413][ T74] ip6_route_info_create+0xf18/0x17d0 [ 290.796413][ T74] ip6_route_add+0x1c/0x140 [ 290.796413][ T74] addrconf_prefix_route+0x2a6/0x430 [ 290.796413][ T74] inet6_addr_add+0x4f8/0xa40 [ 290.796413][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 290.796413][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 290.796413][ T74] netlink_rcv_skb+0x130/0x360 [ 290.796413][ T74] netlink_unicast+0x449/0x710 [ 290.796413][ T74] netlink_sendmsg+0x723/0xbe0 [ 290.796413][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 290.796413][ T74] ___sys_sendmsg+0xee/0x170 [ 290.796413][ T74] __sys_sendmsg+0xcd/0x170 [ 290.796413][ T74] do_syscall_64+0xc6/0x1e0 [ 290.796413][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 290.796413][ T74] [ 290.799950][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 290.799950][ T74] netdev_get_by_index+0x5e/0x80 [ 290.799950][ T74] fib6_nh_init+0x3d8/0x1580 [ 290.799950][ T74] ip6_route_info_create+0xf18/0x17d0 [ 290.799950][ T74] addrconf_f6i_alloc+0x315/0x560 [ 290.799950][ T74] ipv6_add_addr+0x411/0x2000 [ 290.799950][ T74] inet6_addr_add+0x30e/0xa40 [ 290.799950][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 290.799950][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 290.799950][ T74] netlink_rcv_skb+0x130/0x360 [ 290.799950][ T74] netlink_unicast+0x449/0x710 [ 290.799950][ T74] netlink_sendmsg+0x723/0xbe0 [ 290.799950][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 290.799950][ T74] ___sys_sendmsg+0xee/0x170 [ 290.799950][ T74] __sys_sendmsg+0xcd/0x170 [ 290.799950][ T74] do_syscall_64+0xc6/0x1e0 [ 290.799950][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 290.799950][ T74] [ 290.803925][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 290.803925][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 290.803925][ T74] ipv6_find_idev+0x102/0x170 [ 290.803925][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 290.803925][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 290.803925][ T74] netlink_rcv_skb+0x130/0x360 [ 290.803925][ T74] netlink_unicast+0x449/0x710 [ 290.803925][ T74] netlink_sendmsg+0x723/0xbe0 [ 290.803925][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 290.803925][ T74] ___sys_sendmsg+0xee/0x170 [ 290.803925][ T74] __sys_sendmsg+0xcd/0x170 [ 290.803925][ T74] do_syscall_64+0xc6/0x1e0 [ 290.803925][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 290.803925][ T74] [ 290.806690][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 290.806690][ T74] neigh_parms_alloc+0x1e5/0x510 [ 290.806690][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 290.806690][ T74] ipv6_find_idev+0x102/0x170 [ 290.806690][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 290.806690][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 290.806690][ T74] netlink_rcv_skb+0x130/0x360 [ 290.806690][ T74] netlink_unicast+0x449/0x710 [ 290.806690][ T74] netlink_sendmsg+0x723/0xbe0 [ 290.806690][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 290.806690][ T74] ___sys_sendmsg+0xee/0x170 [ 290.806690][ T74] __sys_sendmsg+0xcd/0x170 [ 290.806690][ T74] do_syscall_64+0xc6/0x1e0 [ 290.806690][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 290.806690][ T74] [ 294.451930][ T1985] veth0: renamed from veth1 [ 298.488579][ T2013] br0: port 1(vx0) entered blocking state [ 298.488830][ T2013] br0: port 1(vx0) entered disabled state [ 298.489839][ T2013] vx0: entered allmulticast mode [ 298.491147][ T2013] vx0: entered promiscuous mode [ 298.493126][ T2013] br0: port 1(vx0) entered blocking state [ 298.493299][ T2013] br0: port 1(vx0) entered forwarding state [ 300.912939][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 300.913288][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 300.913288][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 300.913288][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 300.913288][ T74] fib6_nh_init+0xa22/0x1580 [ 300.913288][ T74] ip6_route_info_create+0xf18/0x17d0 [ 300.913288][ T74] ip6_route_add+0x1c/0x140 [ 300.913288][ T74] inet6_rtm_newroute+0x104/0x110 [ 300.913288][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 300.913288][ T74] netlink_rcv_skb+0x130/0x360 [ 300.913288][ T74] netlink_unicast+0x449/0x710 [ 300.913288][ T74] netlink_sendmsg+0x723/0xbe0 [ 300.913288][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 300.913288][ T74] ___sys_sendmsg+0xee/0x170 [ 300.913288][ T74] __sys_sendmsg+0xcd/0x170 [ 300.913288][ T74] do_syscall_64+0xc6/0x1e0 [ 300.913288][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 300.913288][ T74] [ 300.915342][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 300.915342][ T74] netdev_get_by_index+0x5e/0x80 [ 300.915342][ T74] fib6_nh_init+0x3d8/0x1580 [ 300.915342][ T74] ip6_route_info_create+0xf18/0x17d0 [ 300.915342][ T74] addrconf_f6i_alloc+0x265/0x560 [ 300.915342][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 300.915342][ T74] addrconf_join_anycast+0x1c0/0x220 [ 300.915342][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 300.915342][ T74] addrconf_dad_completed+0x12b/0xe20 [ 300.915342][ T74] addrconf_dad_begin+0x310/0x670 [ 300.915342][ T74] addrconf_dad_work+0x10b/0xab0 [ 300.915342][ T74] process_one_work+0x84d/0x18a0 [ 300.915342][ T74] worker_thread+0x587/0xd30 [ 300.915342][ T74] kthread+0x28a/0x350 [ 300.915342][ T74] ret_from_fork+0x31/0x70 [ 300.915342][ T74] ret_from_fork_asm+0x1a/0x30 [ 300.915342][ T74] [ 300.917295][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 300.917295][ T74] netdev_get_by_index+0x5e/0x80 [ 300.917295][ T74] fib6_nh_init+0x3d8/0x1580 [ 300.917295][ T74] ip6_route_info_create+0xf18/0x17d0 [ 300.917295][ T74] ip6_route_add+0x1c/0x140 [ 300.917295][ T74] addrconf_prefix_route+0x2a6/0x430 [ 300.917295][ T74] inet6_addr_add+0x4f8/0xa40 [ 300.917295][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 300.917295][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 300.917295][ T74] netlink_rcv_skb+0x130/0x360 [ 300.917295][ T74] netlink_unicast+0x449/0x710 [ 300.917295][ T74] netlink_sendmsg+0x723/0xbe0 [ 300.917295][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 300.917295][ T74] ___sys_sendmsg+0xee/0x170 [ 300.917295][ T74] __sys_sendmsg+0xcd/0x170 [ 300.917295][ T74] do_syscall_64+0xc6/0x1e0 [ 300.917295][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 300.917295][ T74] [ 300.919350][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 300.919350][ T74] netdev_get_by_index+0x5e/0x80 [ 300.919350][ T74] fib6_nh_init+0x3d8/0x1580 [ 300.919350][ T74] ip6_route_info_create+0xf18/0x17d0 [ 300.919350][ T74] addrconf_f6i_alloc+0x315/0x560 [ 300.919350][ T74] ipv6_add_addr+0x411/0x2000 [ 300.919350][ T74] inet6_addr_add+0x30e/0xa40 [ 300.919350][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 300.919350][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 300.919350][ T74] netlink_rcv_skb+0x130/0x360 [ 300.919350][ T74] netlink_unicast+0x449/0x710 [ 300.919350][ T74] netlink_sendmsg+0x723/0xbe0 [ 300.919350][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 300.919350][ T74] ___sys_sendmsg+0xee/0x170 [ 300.919350][ T74] __sys_sendmsg+0xcd/0x170 [ 300.919350][ T74] do_syscall_64+0xc6/0x1e0 [ 300.919350][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 300.919350][ T74] [ 300.921376][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 300.921376][ T74] netdev_get_by_index+0x5e/0x80 [ 300.921376][ T74] fib6_nh_init+0x3d8/0x1580 [ 300.921376][ T74] ip6_route_info_create+0xf18/0x17d0 [ 300.921376][ T74] ip6_route_add+0x1c/0x140 [ 300.921376][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 300.921376][ T74] addrconf_add_dev+0xe2/0x170 [ 300.921376][ T74] inet6_addr_add+0x12f/0xa40 [ 300.921376][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 300.921376][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 300.921376][ T74] netlink_rcv_skb+0x130/0x360 [ 300.921376][ T74] netlink_unicast+0x449/0x710 [ 300.921376][ T74] netlink_sendmsg+0x723/0xbe0 [ 300.921376][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 300.921376][ T74] ___sys_sendmsg+0xee/0x170 [ 300.921376][ T74] __sys_sendmsg+0xcd/0x170 [ 300.921376][ T74] do_syscall_64+0xc6/0x1e0 [ 300.921376][ T74] [ 300.923379][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 300.923379][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 300.923379][ T74] ipv6_find_idev+0x102/0x170 [ 300.923379][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 300.923379][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 300.923379][ T74] netlink_rcv_skb+0x130/0x360 [ 300.923379][ T74] netlink_unicast+0x449/0x710 [ 300.923379][ T74] netlink_sendmsg+0x723/0xbe0 [ 300.923379][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 300.923379][ T74] ___sys_sendmsg+0xee/0x170 [ 300.923379][ T74] __sys_sendmsg+0xcd/0x170 [ 300.923379][ T74] do_syscall_64+0xc6/0x1e0 [ 300.923379][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 300.923379][ T74] [ 300.924999][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 300.924999][ T74] neigh_parms_alloc+0x1e5/0x510 [ 300.924999][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 300.924999][ T74] ipv6_find_idev+0x102/0x170 [ 300.924999][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 300.924999][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 300.924999][ T74] netlink_rcv_skb+0x130/0x360 [ 300.924999][ T74] netlink_unicast+0x449/0x710 [ 300.924999][ T74] netlink_sendmsg+0x723/0xbe0 [ 300.924999][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 300.924999][ T74] ___sys_sendmsg+0xee/0x170 [ 300.924999][ T74] __sys_sendmsg+0xcd/0x170 [ 300.924999][ T74] do_syscall_64+0xc6/0x1e0 [ 300.924999][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 300.924999][ T74] [ 300.926799][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 300.927117][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 300.927117][ T74] dst_init+0x84/0x4a0 [ 300.927117][ T74] dst_alloc+0x97/0x150 [ 300.927117][ T74] ip6_dst_alloc+0x23/0x90 [ 300.927117][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 300.927117][ T74] ip6_pol_route+0x56f/0x840 [ 300.927117][ T74] fib6_rule_lookup+0x456/0x630 [ 300.927117][ T74] ip6_route_input+0x59c/0xa50 [ 300.927117][ T74] ipv6_rcv+0x397/0x810 [ 300.927117][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 300.927117][ T74] process_backlog+0x101/0x620 [ 300.927117][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 300.927117][ T74] net_rx_action+0x495/0xbe0 [ 300.927117][ T74] __do_softirq+0x1b5/0x7f6 [ 300.927117][ T74] [ 300.928823][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 300.928823][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 300.928823][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 300.928823][ T74] fib6_nh_init+0xa22/0x1580 [ 300.928823][ T74] ip6_route_info_create+0xf18/0x17d0 [ 300.928823][ T74] ip6_route_add+0x1c/0x140 [ 300.928823][ T74] inet6_rtm_newroute+0x104/0x110 [ 300.928823][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 300.928823][ T74] netlink_rcv_skb+0x130/0x360 [ 300.928823][ T74] netlink_unicast+0x449/0x710 [ 300.928823][ T74] netlink_sendmsg+0x723/0xbe0 [ 300.928823][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 300.928823][ T74] ___sys_sendmsg+0xee/0x170 [ 300.928823][ T74] __sys_sendmsg+0xcd/0x170 [ 300.928823][ T74] do_syscall_64+0xc6/0x1e0 [ 300.928823][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 300.928823][ T74] [ 300.930754][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 300.930754][ T74] netdev_get_by_index+0x5e/0x80 [ 300.930754][ T74] fib6_nh_init+0x3d8/0x1580 [ 300.930754][ T74] ip6_route_info_create+0xf18/0x17d0 [ 300.930754][ T74] addrconf_f6i_alloc+0x265/0x560 [ 300.930754][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 300.930754][ T74] addrconf_join_anycast+0x1c0/0x220 [ 300.930754][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 300.930754][ T74] addrconf_dad_completed+0x12b/0xe20 [ 300.930754][ T74] addrconf_dad_begin+0x310/0x670 [ 300.930754][ T74] addrconf_dad_work+0x10b/0xab0 [ 300.930754][ T74] process_one_work+0x84d/0x18a0 [ 300.930754][ T74] worker_thread+0x587/0xd30 [ 300.930754][ T74] kthread+0x28a/0x350 [ 300.930754][ T74] ret_from_fork+0x31/0x70 [ 300.930754][ T74] ret_from_fork_asm+0x1a/0x30 [ 300.930754][ T74] [ 300.932710][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 300.932710][ T74] netdev_get_by_index+0x5e/0x80 [ 300.932710][ T74] fib6_nh_init+0x3d8/0x1580 [ 300.932710][ T74] ip6_route_info_create+0xf18/0x17d0 [ 300.932710][ T74] ip6_route_add+0x1c/0x140 [ 300.932710][ T74] addrconf_prefix_route+0x2a6/0x430 [ 300.932710][ T74] inet6_addr_add+0x4f8/0xa40 [ 300.932710][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 300.932710][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 300.932710][ T74] netlink_rcv_skb+0x130/0x360 [ 300.932710][ T74] netlink_unicast+0x449/0x710 [ 300.932710][ T74] netlink_sendmsg+0x723/0xbe0 [ 300.932710][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 300.932710][ T74] ___sys_sendmsg+0xee/0x170 [ 300.932710][ T74] __sys_sendmsg+0xcd/0x170 [ 300.932710][ T74] do_syscall_64+0xc6/0x1e0 [ 300.932710][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 300.932710][ T74] [ 300.934774][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 300.934774][ T74] netdev_get_by_index+0x5e/0x80 [ 300.934774][ T74] fib6_nh_init+0x3d8/0x1580 [ 300.934774][ T74] ip6_route_info_create+0xf18/0x17d0 [ 300.934774][ T74] addrconf_f6i_alloc+0x315/0x560 [ 300.934774][ T74] ipv6_add_addr+0x411/0x2000 [ 300.934774][ T74] inet6_addr_add+0x30e/0xa40 [ 300.934774][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 300.934774][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 300.934774][ T74] netlink_rcv_skb+0x130/0x360 [ 300.934774][ T74] netlink_unicast+0x449/0x710 [ 300.934774][ T74] netlink_sendmsg+0x723/0xbe0 [ 300.934774][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 300.934774][ T74] ___sys_sendmsg+0xee/0x170 [ 300.934774][ T74] __sys_sendmsg+0xcd/0x170 [ 300.934774][ T74] do_syscall_64+0xc6/0x1e0 [ 300.934774][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 300.934774][ T74] [ 300.936806][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 300.936806][ T74] netdev_get_by_index+0x5e/0x80 [ 300.936806][ T74] fib6_nh_init+0x3d8/0x1580 [ 300.936806][ T74] ip6_route_info_create+0xf18/0x17d0 [ 300.936806][ T74] ip6_route_add+0x1c/0x140 [ 300.936806][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 300.936806][ T74] addrconf_add_dev+0xe2/0x170 [ 300.936806][ T74] inet6_addr_add+0x12f/0xa40 [ 300.936806][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 300.936806][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 300.936806][ T74] netlink_rcv_skb+0x130/0x360 [ 300.936806][ T74] netlink_unicast+0x449/0x710 [ 300.936806][ T74] netlink_sendmsg+0x723/0xbe0 [ 300.936806][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 300.936806][ T74] ___sys_sendmsg+0xee/0x170 [ 300.936806][ T74] __sys_sendmsg+0xcd/0x170 [ 300.936806][ T74] do_syscall_64+0xc6/0x1e0 [ 300.936806][ T74] [ 300.938827][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 300.938827][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 300.938827][ T74] ipv6_find_idev+0x102/0x170 [ 300.938827][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 300.938827][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 300.938827][ T74] netlink_rcv_skb+0x130/0x360 [ 300.938827][ T74] netlink_unicast+0x449/0x710 [ 300.938827][ T74] netlink_sendmsg+0x723/0xbe0 [ 300.938827][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 300.938827][ T74] ___sys_sendmsg+0xee/0x170 [ 300.938827][ T74] __sys_sendmsg+0xcd/0x170 [ 300.938827][ T74] do_syscall_64+0xc6/0x1e0 [ 300.938827][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 300.938827][ T74] [ 300.940392][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 300.940392][ T74] neigh_parms_alloc+0x1e5/0x510 [ 300.940392][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 300.940392][ T74] ipv6_find_idev+0x102/0x170 [ 300.940392][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 300.940392][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 300.940392][ T74] netlink_rcv_skb+0x130/0x360 [ 300.940392][ T74] netlink_unicast+0x449/0x710 [ 300.940392][ T74] netlink_sendmsg+0x723/0xbe0 [ 300.940392][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 300.940392][ T74] ___sys_sendmsg+0xee/0x170 [ 300.940392][ T74] __sys_sendmsg+0xcd/0x170 [ 300.940392][ T74] do_syscall_64+0xc6/0x1e0 [ 300.940392][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 300.940392][ T74] [ 300.942135][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 300.942393][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 300.942393][ T74] netdev_get_by_index+0x5e/0x80 [ 300.942393][ T74] fib6_nh_init+0x3d8/0x1580 [ 300.942393][ T74] ip6_route_info_create+0xf18/0x17d0 [ 300.942393][ T74] ip6_route_add+0x1c/0x140 [ 300.942393][ T74] addrconf_prefix_route+0x2a6/0x430 [ 300.942393][ T74] inet6_addr_add+0x4f8/0xa40 [ 300.942393][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 300.942393][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 300.942393][ T74] netlink_rcv_skb+0x130/0x360 [ 300.942393][ T74] netlink_unicast+0x449/0x710 [ 300.942393][ T74] netlink_sendmsg+0x723/0xbe0 [ 300.942393][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 300.942393][ T74] ___sys_sendmsg+0xee/0x170 [ 300.942393][ T74] __sys_sendmsg+0xcd/0x170 [ 300.942393][ T74] do_syscall_64+0xc6/0x1e0 [ 300.942393][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 300.942393][ T74] [ 300.944453][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 300.944453][ T74] netdev_get_by_index+0x5e/0x80 [ 300.944453][ T74] fib6_nh_init+0x3d8/0x1580 [ 300.944453][ T74] ip6_route_info_create+0xf18/0x17d0 [ 300.944453][ T74] addrconf_f6i_alloc+0x315/0x560 [ 300.944453][ T74] ipv6_add_addr+0x411/0x2000 [ 300.944453][ T74] inet6_addr_add+0x30e/0xa40 [ 300.944453][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 300.944453][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 300.944453][ T74] netlink_rcv_skb+0x130/0x360 [ 300.944453][ T74] netlink_unicast+0x449/0x710 [ 300.944453][ T74] netlink_sendmsg+0x723/0xbe0 [ 300.944453][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 300.944453][ T74] ___sys_sendmsg+0xee/0x170 [ 300.944453][ T74] __sys_sendmsg+0xcd/0x170 [ 300.944453][ T74] do_syscall_64+0xc6/0x1e0 [ 300.944453][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 300.944453][ T74] [ 300.946632][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 300.946632][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 300.946632][ T74] ipv6_find_idev+0x102/0x170 [ 300.946632][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 300.946632][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 300.946632][ T74] netlink_rcv_skb+0x130/0x360 [ 300.946632][ T74] netlink_unicast+0x449/0x710 [ 300.946632][ T74] netlink_sendmsg+0x723/0xbe0 [ 300.946632][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 300.946632][ T74] ___sys_sendmsg+0xee/0x170 [ 300.946632][ T74] __sys_sendmsg+0xcd/0x170 [ 300.946632][ T74] do_syscall_64+0xc6/0x1e0 [ 300.946632][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 300.946632][ T74] [ 300.948411][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 300.948411][ T74] neigh_parms_alloc+0x1e5/0x510 [ 300.948411][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 300.948411][ T74] ipv6_find_idev+0x102/0x170 [ 300.948411][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 300.948411][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 300.948411][ T74] netlink_rcv_skb+0x130/0x360 [ 300.948411][ T74] netlink_unicast+0x449/0x710 [ 300.948411][ T74] netlink_sendmsg+0x723/0xbe0 [ 300.948411][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 300.948411][ T74] ___sys_sendmsg+0xee/0x170 [ 300.948411][ T74] __sys_sendmsg+0xcd/0x170 [ 300.948411][ T74] do_syscall_64+0xc6/0x1e0 [ 300.948411][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 300.948411][ T74] [ 304.165829][ T2043] br0: port 1(vx0) entered blocking state [ 304.166117][ T2043] br0: port 1(vx0) entered disabled state [ 304.166382][ T2043] vx0: entered allmulticast mode [ 304.167755][ T2043] vx0: entered promiscuous mode [ 304.169651][ T2043] br0: port 1(vx0) entered blocking state [ 304.169958][ T2043] br0: port 1(vx0) entered forwarding state [ 311.007974][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 311.008441][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 311.008441][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 311.008441][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 311.008441][ T74] fib6_nh_init+0xa22/0x1580 [ 311.008441][ T74] ip6_route_info_create+0xf18/0x17d0 [ 311.008441][ T74] ip6_route_add+0x1c/0x140 [ 311.008441][ T74] inet6_rtm_newroute+0x104/0x110 [ 311.008441][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 311.008441][ T74] netlink_rcv_skb+0x130/0x360 [ 311.008441][ T74] netlink_unicast+0x449/0x710 [ 311.008441][ T74] netlink_sendmsg+0x723/0xbe0 [ 311.008441][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 311.008441][ T74] ___sys_sendmsg+0xee/0x170 [ 311.008441][ T74] __sys_sendmsg+0xcd/0x170 [ 311.008441][ T74] do_syscall_64+0xc6/0x1e0 [ 311.008441][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 311.008441][ T74] [ 311.010601][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 311.010601][ T74] netdev_get_by_index+0x5e/0x80 [ 311.010601][ T74] fib6_nh_init+0x3d8/0x1580 [ 311.010601][ T74] ip6_route_info_create+0xf18/0x17d0 [ 311.010601][ T74] addrconf_f6i_alloc+0x265/0x560 [ 311.010601][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 311.010601][ T74] addrconf_join_anycast+0x1c0/0x220 [ 311.010601][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 311.010601][ T74] addrconf_dad_completed+0x12b/0xe20 [ 311.010601][ T74] addrconf_dad_begin+0x310/0x670 [ 311.010601][ T74] addrconf_dad_work+0x10b/0xab0 [ 311.010601][ T74] process_one_work+0x84d/0x18a0 [ 311.010601][ T74] worker_thread+0x587/0xd30 [ 311.010601][ T74] kthread+0x28a/0x350 [ 311.010601][ T74] ret_from_fork+0x31/0x70 [ 311.010601][ T74] ret_from_fork_asm+0x1a/0x30 [ 311.010601][ T74] [ 311.012628][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 311.012628][ T74] netdev_get_by_index+0x5e/0x80 [ 311.012628][ T74] fib6_nh_init+0x3d8/0x1580 [ 311.012628][ T74] ip6_route_info_create+0xf18/0x17d0 [ 311.012628][ T74] ip6_route_add+0x1c/0x140 [ 311.012628][ T74] addrconf_prefix_route+0x2a6/0x430 [ 311.012628][ T74] inet6_addr_add+0x4f8/0xa40 [ 311.012628][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 311.012628][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 311.012628][ T74] netlink_rcv_skb+0x130/0x360 [ 311.012628][ T74] netlink_unicast+0x449/0x710 [ 311.012628][ T74] netlink_sendmsg+0x723/0xbe0 [ 311.012628][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 311.012628][ T74] ___sys_sendmsg+0xee/0x170 [ 311.012628][ T74] __sys_sendmsg+0xcd/0x170 [ 311.012628][ T74] do_syscall_64+0xc6/0x1e0 [ 311.012628][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 311.012628][ T74] [ 311.014758][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 311.014758][ T74] netdev_get_by_index+0x5e/0x80 [ 311.014758][ T74] fib6_nh_init+0x3d8/0x1580 [ 311.014758][ T74] ip6_route_info_create+0xf18/0x17d0 [ 311.014758][ T74] addrconf_f6i_alloc+0x315/0x560 [ 311.014758][ T74] ipv6_add_addr+0x411/0x2000 [ 311.014758][ T74] inet6_addr_add+0x30e/0xa40 [ 311.014758][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 311.014758][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 311.014758][ T74] netlink_rcv_skb+0x130/0x360 [ 311.014758][ T74] netlink_unicast+0x449/0x710 [ 311.014758][ T74] netlink_sendmsg+0x723/0xbe0 [ 311.014758][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 311.014758][ T74] ___sys_sendmsg+0xee/0x170 [ 311.014758][ T74] __sys_sendmsg+0xcd/0x170 [ 311.014758][ T74] do_syscall_64+0xc6/0x1e0 [ 311.014758][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 311.014758][ T74] [ 311.016798][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 311.016798][ T74] netdev_get_by_index+0x5e/0x80 [ 311.016798][ T74] fib6_nh_init+0x3d8/0x1580 [ 311.016798][ T74] ip6_route_info_create+0xf18/0x17d0 [ 311.016798][ T74] ip6_route_add+0x1c/0x140 [ 311.016798][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 311.016798][ T74] addrconf_add_dev+0xe2/0x170 [ 311.016798][ T74] inet6_addr_add+0x12f/0xa40 [ 311.016798][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 311.016798][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 311.016798][ T74] netlink_rcv_skb+0x130/0x360 [ 311.016798][ T74] netlink_unicast+0x449/0x710 [ 311.016798][ T74] netlink_sendmsg+0x723/0xbe0 [ 311.016798][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 311.016798][ T74] ___sys_sendmsg+0xee/0x170 [ 311.016798][ T74] __sys_sendmsg+0xcd/0x170 [ 311.016798][ T74] do_syscall_64+0xc6/0x1e0 [ 311.016798][ T74] [ 311.018846][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 311.018846][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 311.018846][ T74] ipv6_find_idev+0x102/0x170 [ 311.018846][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 311.018846][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 311.018846][ T74] netlink_rcv_skb+0x130/0x360 [ 311.018846][ T74] netlink_unicast+0x449/0x710 [ 311.018846][ T74] netlink_sendmsg+0x723/0xbe0 [ 311.018846][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 311.018846][ T74] ___sys_sendmsg+0xee/0x170 [ 311.018846][ T74] __sys_sendmsg+0xcd/0x170 [ 311.018846][ T74] do_syscall_64+0xc6/0x1e0 [ 311.018846][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 311.018846][ T74] [ 311.020481][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 311.020481][ T74] neigh_parms_alloc+0x1e5/0x510 [ 311.020481][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 311.020481][ T74] ipv6_find_idev+0x102/0x170 [ 311.020481][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 311.020481][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 311.020481][ T74] netlink_rcv_skb+0x130/0x360 [ 311.020481][ T74] netlink_unicast+0x449/0x710 [ 311.020481][ T74] netlink_sendmsg+0x723/0xbe0 [ 311.020481][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 311.020481][ T74] ___sys_sendmsg+0xee/0x170 [ 311.020481][ T74] __sys_sendmsg+0xcd/0x170 [ 311.020481][ T74] do_syscall_64+0xc6/0x1e0 [ 311.020481][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 311.020481][ T74] [ 311.022328][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 311.022630][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 311.022630][ T74] dst_init+0x84/0x4a0 [ 311.022630][ T74] dst_alloc+0x97/0x150 [ 311.022630][ T74] ip6_dst_alloc+0x23/0x90 [ 311.022630][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 311.022630][ T74] ip6_pol_route+0x56f/0x840 [ 311.022630][ T74] fib6_rule_lookup+0x456/0x630 [ 311.022630][ T74] ip6_route_input+0x59c/0xa50 [ 311.022630][ T74] ipv6_rcv+0x397/0x810 [ 311.022630][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 311.022630][ T74] process_backlog+0x101/0x620 [ 311.022630][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 311.022630][ T74] net_rx_action+0x495/0xbe0 [ 311.022630][ T74] __do_softirq+0x1b5/0x7f6 [ 311.022630][ T74] [ 311.024352][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 311.024352][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 311.024352][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 311.024352][ T74] fib6_nh_init+0xa22/0x1580 [ 311.024352][ T74] ip6_route_info_create+0xf18/0x17d0 [ 311.024352][ T74] ip6_route_add+0x1c/0x140 [ 311.024352][ T74] inet6_rtm_newroute+0x104/0x110 [ 311.024352][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 311.024352][ T74] netlink_rcv_skb+0x130/0x360 [ 311.024352][ T74] netlink_unicast+0x449/0x710 [ 311.024352][ T74] netlink_sendmsg+0x723/0xbe0 [ 311.024352][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 311.024352][ T74] ___sys_sendmsg+0xee/0x170 [ 311.024352][ T74] __sys_sendmsg+0xcd/0x170 [ 311.024352][ T74] do_syscall_64+0xc6/0x1e0 [ 311.024352][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 311.024352][ T74] [ 311.026331][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 311.026331][ T74] netdev_get_by_index+0x5e/0x80 [ 311.026331][ T74] fib6_nh_init+0x3d8/0x1580 [ 311.026331][ T74] ip6_route_info_create+0xf18/0x17d0 [ 311.026331][ T74] addrconf_f6i_alloc+0x265/0x560 [ 311.026331][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 311.026331][ T74] addrconf_join_anycast+0x1c0/0x220 [ 311.026331][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 311.026331][ T74] addrconf_dad_completed+0x12b/0xe20 [ 311.026331][ T74] addrconf_dad_begin+0x310/0x670 [ 311.026331][ T74] addrconf_dad_work+0x10b/0xab0 [ 311.026331][ T74] process_one_work+0x84d/0x18a0 [ 311.026331][ T74] worker_thread+0x587/0xd30 [ 311.026331][ T74] kthread+0x28a/0x350 [ 311.026331][ T74] ret_from_fork+0x31/0x70 [ 311.026331][ T74] ret_from_fork_asm+0x1a/0x30 [ 311.026331][ T74] [ 311.028381][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 311.028381][ T74] netdev_get_by_index+0x5e/0x80 [ 311.028381][ T74] fib6_nh_init+0x3d8/0x1580 [ 311.028381][ T74] ip6_route_info_create+0xf18/0x17d0 [ 311.028381][ T74] ip6_route_add+0x1c/0x140 [ 311.028381][ T74] addrconf_prefix_route+0x2a6/0x430 [ 311.028381][ T74] inet6_addr_add+0x4f8/0xa40 [ 311.028381][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 311.028381][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 311.028381][ T74] netlink_rcv_skb+0x130/0x360 [ 311.028381][ T74] netlink_unicast+0x449/0x710 [ 311.028381][ T74] netlink_sendmsg+0x723/0xbe0 [ 311.028381][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 311.028381][ T74] ___sys_sendmsg+0xee/0x170 [ 311.028381][ T74] __sys_sendmsg+0xcd/0x170 [ 311.028381][ T74] do_syscall_64+0xc6/0x1e0 [ 311.028381][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 311.028381][ T74] [ 311.030449][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 311.030449][ T74] netdev_get_by_index+0x5e/0x80 [ 311.030449][ T74] fib6_nh_init+0x3d8/0x1580 [ 311.030449][ T74] ip6_route_info_create+0xf18/0x17d0 [ 311.030449][ T74] addrconf_f6i_alloc+0x315/0x560 [ 311.030449][ T74] ipv6_add_addr+0x411/0x2000 [ 311.030449][ T74] inet6_addr_add+0x30e/0xa40 [ 311.030449][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 311.030449][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 311.030449][ T74] netlink_rcv_skb+0x130/0x360 [ 311.030449][ T74] netlink_unicast+0x449/0x710 [ 311.030449][ T74] netlink_sendmsg+0x723/0xbe0 [ 311.030449][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 311.030449][ T74] ___sys_sendmsg+0xee/0x170 [ 311.030449][ T74] __sys_sendmsg+0xcd/0x170 [ 311.030449][ T74] do_syscall_64+0xc6/0x1e0 [ 311.030449][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 311.030449][ T74] [ 311.032548][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 311.032548][ T74] netdev_get_by_index+0x5e/0x80 [ 311.032548][ T74] fib6_nh_init+0x3d8/0x1580 [ 311.032548][ T74] ip6_route_info_create+0xf18/0x17d0 [ 311.032548][ T74] ip6_route_add+0x1c/0x140 [ 311.032548][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 311.032548][ T74] addrconf_add_dev+0xe2/0x170 [ 311.032548][ T74] inet6_addr_add+0x12f/0xa40 [ 311.032548][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 311.032548][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 311.032548][ T74] netlink_rcv_skb+0x130/0x360 [ 311.032548][ T74] netlink_unicast+0x449/0x710 [ 311.032548][ T74] netlink_sendmsg+0x723/0xbe0 [ 311.032548][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 311.032548][ T74] ___sys_sendmsg+0xee/0x170 [ 311.032548][ T74] __sys_sendmsg+0xcd/0x170 [ 311.032548][ T74] do_syscall_64+0xc6/0x1e0 [ 311.032548][ T74] [ 311.034621][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 311.034621][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 311.034621][ T74] ipv6_find_idev+0x102/0x170 [ 311.034621][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 311.034621][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 311.034621][ T74] netlink_rcv_skb+0x130/0x360 [ 311.034621][ T74] netlink_unicast+0x449/0x710 [ 311.034621][ T74] netlink_sendmsg+0x723/0xbe0 [ 311.034621][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 311.034621][ T74] ___sys_sendmsg+0xee/0x170 [ 311.034621][ T74] __sys_sendmsg+0xcd/0x170 [ 311.034621][ T74] do_syscall_64+0xc6/0x1e0 [ 311.034621][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 311.034621][ T74] [ 311.036356][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 311.036356][ T74] neigh_parms_alloc+0x1e5/0x510 [ 311.036356][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 311.036356][ T74] ipv6_find_idev+0x102/0x170 [ 311.036356][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 311.036356][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 311.036356][ T74] netlink_rcv_skb+0x130/0x360 [ 311.036356][ T74] netlink_unicast+0x449/0x710 [ 311.036356][ T74] netlink_sendmsg+0x723/0xbe0 [ 311.036356][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 311.036356][ T74] ___sys_sendmsg+0xee/0x170 [ 311.036356][ T74] __sys_sendmsg+0xcd/0x170 [ 311.036356][ T74] do_syscall_64+0xc6/0x1e0 [ 311.036356][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 311.036356][ T74] [ 311.038537][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 311.038817][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 311.038817][ T74] netdev_get_by_index+0x5e/0x80 [ 311.038817][ T74] fib6_nh_init+0x3d8/0x1580 [ 311.038817][ T74] ip6_route_info_create+0xf18/0x17d0 [ 311.038817][ T74] ip6_route_add+0x1c/0x140 [ 311.038817][ T74] addrconf_prefix_route+0x2a6/0x430 [ 311.038817][ T74] inet6_addr_add+0x4f8/0xa40 [ 311.038817][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 311.038817][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 311.038817][ T74] netlink_rcv_skb+0x130/0x360 [ 311.038817][ T74] netlink_unicast+0x449/0x710 [ 311.038817][ T74] netlink_sendmsg+0x723/0xbe0 [ 311.038817][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 311.038817][ T74] ___sys_sendmsg+0xee/0x170 [ 311.038817][ T74] __sys_sendmsg+0xcd/0x170 [ 311.038817][ T74] do_syscall_64+0xc6/0x1e0 [ 311.038817][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 311.038817][ T74] [ 311.041186][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 311.041186][ T74] netdev_get_by_index+0x5e/0x80 [ 311.041186][ T74] fib6_nh_init+0x3d8/0x1580 [ 311.041186][ T74] ip6_route_info_create+0xf18/0x17d0 [ 311.041186][ T74] addrconf_f6i_alloc+0x315/0x560 [ 311.041186][ T74] ipv6_add_addr+0x411/0x2000 [ 311.041186][ T74] inet6_addr_add+0x30e/0xa40 [ 311.041186][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 311.041186][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 311.041186][ T74] netlink_rcv_skb+0x130/0x360 [ 311.041186][ T74] netlink_unicast+0x449/0x710 [ 311.041186][ T74] netlink_sendmsg+0x723/0xbe0 [ 311.041186][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 311.041186][ T74] ___sys_sendmsg+0xee/0x170 [ 311.041186][ T74] __sys_sendmsg+0xcd/0x170 [ 311.041186][ T74] do_syscall_64+0xc6/0x1e0 [ 311.041186][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 311.041186][ T74] [ 311.043464][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 311.043464][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 311.043464][ T74] ipv6_find_idev+0x102/0x170 [ 311.043464][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 311.043464][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 311.043464][ T74] netlink_rcv_skb+0x130/0x360 [ 311.043464][ T74] netlink_unicast+0x449/0x710 [ 311.043464][ T74] netlink_sendmsg+0x723/0xbe0 [ 311.043464][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 311.043464][ T74] ___sys_sendmsg+0xee/0x170 [ 311.043464][ T74] __sys_sendmsg+0xcd/0x170 [ 311.043464][ T74] do_syscall_64+0xc6/0x1e0 [ 311.043464][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 311.043464][ T74] [ 311.045277][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 311.045277][ T74] neigh_parms_alloc+0x1e5/0x510 [ 311.045277][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 311.045277][ T74] ipv6_find_idev+0x102/0x170 [ 311.045277][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 311.045277][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 311.045277][ T74] netlink_rcv_skb+0x130/0x360 [ 311.045277][ T74] netlink_unicast+0x449/0x710 [ 311.045277][ T74] netlink_sendmsg+0x723/0xbe0 [ 311.045277][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 311.045277][ T74] ___sys_sendmsg+0xee/0x170 [ 311.045277][ T74] __sys_sendmsg+0xcd/0x170 [ 311.045277][ T74] do_syscall_64+0xc6/0x1e0 [ 311.045277][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 311.045277][ T74] [ 321.176256][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 321.176571][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 321.176571][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 321.176571][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 321.176571][ T74] fib6_nh_init+0xa22/0x1580 [ 321.176571][ T74] ip6_route_info_create+0xf18/0x17d0 [ 321.176571][ T74] ip6_route_add+0x1c/0x140 [ 321.176571][ T74] inet6_rtm_newroute+0x104/0x110 [ 321.176571][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 321.176571][ T74] netlink_rcv_skb+0x130/0x360 [ 321.176571][ T74] netlink_unicast+0x449/0x710 [ 321.176571][ T74] netlink_sendmsg+0x723/0xbe0 [ 321.176571][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 321.176571][ T74] ___sys_sendmsg+0xee/0x170 [ 321.176571][ T74] __sys_sendmsg+0xcd/0x170 [ 321.176571][ T74] do_syscall_64+0xc6/0x1e0 [ 321.176571][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 321.176571][ T74] [ 321.178692][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 321.178692][ T74] netdev_get_by_index+0x5e/0x80 [ 321.178692][ T74] fib6_nh_init+0x3d8/0x1580 [ 321.178692][ T74] ip6_route_info_create+0xf18/0x17d0 [ 321.178692][ T74] addrconf_f6i_alloc+0x265/0x560 [ 321.178692][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 321.178692][ T74] addrconf_join_anycast+0x1c0/0x220 [ 321.178692][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 321.178692][ T74] addrconf_dad_completed+0x12b/0xe20 [ 321.178692][ T74] addrconf_dad_begin+0x310/0x670 [ 321.178692][ T74] addrconf_dad_work+0x10b/0xab0 [ 321.178692][ T74] process_one_work+0x84d/0x18a0 [ 321.178692][ T74] worker_thread+0x587/0xd30 [ 321.178692][ T74] kthread+0x28a/0x350 [ 321.178692][ T74] ret_from_fork+0x31/0x70 [ 321.178692][ T74] ret_from_fork_asm+0x1a/0x30 [ 321.178692][ T74] [ 321.180802][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 321.180802][ T74] netdev_get_by_index+0x5e/0x80 [ 321.180802][ T74] fib6_nh_init+0x3d8/0x1580 [ 321.180802][ T74] ip6_route_info_create+0xf18/0x17d0 [ 321.180802][ T74] ip6_route_add+0x1c/0x140 [ 321.180802][ T74] addrconf_prefix_route+0x2a6/0x430 [ 321.180802][ T74] inet6_addr_add+0x4f8/0xa40 [ 321.180802][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 321.180802][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 321.180802][ T74] netlink_rcv_skb+0x130/0x360 [ 321.180802][ T74] netlink_unicast+0x449/0x710 [ 321.180802][ T74] netlink_sendmsg+0x723/0xbe0 [ 321.180802][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 321.180802][ T74] ___sys_sendmsg+0xee/0x170 [ 321.180802][ T74] __sys_sendmsg+0xcd/0x170 [ 321.180802][ T74] do_syscall_64+0xc6/0x1e0 [ 321.180802][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 321.180802][ T74] [ 321.182962][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 321.182962][ T74] netdev_get_by_index+0x5e/0x80 [ 321.182962][ T74] fib6_nh_init+0x3d8/0x1580 [ 321.182962][ T74] ip6_route_info_create+0xf18/0x17d0 [ 321.182962][ T74] addrconf_f6i_alloc+0x315/0x560 [ 321.182962][ T74] ipv6_add_addr+0x411/0x2000 [ 321.182962][ T74] inet6_addr_add+0x30e/0xa40 [ 321.182962][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 321.182962][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 321.182962][ T74] netlink_rcv_skb+0x130/0x360 [ 321.182962][ T74] netlink_unicast+0x449/0x710 [ 321.182962][ T74] netlink_sendmsg+0x723/0xbe0 [ 321.182962][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 321.182962][ T74] ___sys_sendmsg+0xee/0x170 [ 321.182962][ T74] __sys_sendmsg+0xcd/0x170 [ 321.182962][ T74] do_syscall_64+0xc6/0x1e0 [ 321.182962][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 321.182962][ T74] [ 321.185514][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 321.185514][ T74] netdev_get_by_index+0x5e/0x80 [ 321.185514][ T74] fib6_nh_init+0x3d8/0x1580 [ 321.185514][ T74] ip6_route_info_create+0xf18/0x17d0 [ 321.185514][ T74] ip6_route_add+0x1c/0x140 [ 321.185514][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 321.185514][ T74] addrconf_add_dev+0xe2/0x170 [ 321.185514][ T74] inet6_addr_add+0x12f/0xa40 [ 321.185514][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 321.185514][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 321.185514][ T74] netlink_rcv_skb+0x130/0x360 [ 321.185514][ T74] netlink_unicast+0x449/0x710 [ 321.185514][ T74] netlink_sendmsg+0x723/0xbe0 [ 321.185514][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 321.185514][ T74] ___sys_sendmsg+0xee/0x170 [ 321.185514][ T74] __sys_sendmsg+0xcd/0x170 [ 321.185514][ T74] do_syscall_64+0xc6/0x1e0 [ 321.185514][ T74] [ 321.188319][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 321.188319][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 321.188319][ T74] ipv6_find_idev+0x102/0x170 [ 321.188319][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 321.188319][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 321.188319][ T74] netlink_rcv_skb+0x130/0x360 [ 321.188319][ T74] netlink_unicast+0x449/0x710 [ 321.188319][ T74] netlink_sendmsg+0x723/0xbe0 [ 321.188319][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 321.188319][ T74] ___sys_sendmsg+0xee/0x170 [ 321.188319][ T74] __sys_sendmsg+0xcd/0x170 [ 321.188319][ T74] do_syscall_64+0xc6/0x1e0 [ 321.188319][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 321.188319][ T74] [ 321.190020][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 321.190020][ T74] neigh_parms_alloc+0x1e5/0x510 [ 321.190020][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 321.190020][ T74] ipv6_find_idev+0x102/0x170 [ 321.190020][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 321.190020][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 321.190020][ T74] netlink_rcv_skb+0x130/0x360 [ 321.190020][ T74] netlink_unicast+0x449/0x710 [ 321.190020][ T74] netlink_sendmsg+0x723/0xbe0 [ 321.190020][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 321.190020][ T74] ___sys_sendmsg+0xee/0x170 [ 321.190020][ T74] __sys_sendmsg+0xcd/0x170 [ 321.190020][ T74] do_syscall_64+0xc6/0x1e0 [ 321.190020][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 321.190020][ T74] [ 321.192237][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 321.192552][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 321.192552][ T74] dst_init+0x84/0x4a0 [ 321.192552][ T74] dst_alloc+0x97/0x150 [ 321.192552][ T74] ip6_dst_alloc+0x23/0x90 [ 321.192552][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 321.192552][ T74] ip6_pol_route+0x56f/0x840 [ 321.192552][ T74] fib6_rule_lookup+0x456/0x630 [ 321.192552][ T74] ip6_route_input+0x59c/0xa50 [ 321.192552][ T74] ipv6_rcv+0x397/0x810 [ 321.192552][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 321.192552][ T74] process_backlog+0x101/0x620 [ 321.192552][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 321.192552][ T74] net_rx_action+0x495/0xbe0 [ 321.192552][ T74] __do_softirq+0x1b5/0x7f6 [ 321.192552][ T74] [ 321.194794][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 321.194794][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 321.194794][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 321.194794][ T74] fib6_nh_init+0xa22/0x1580 [ 321.194794][ T74] ip6_route_info_create+0xf18/0x17d0 [ 321.194794][ T74] ip6_route_add+0x1c/0x140 [ 321.194794][ T74] inet6_rtm_newroute+0x104/0x110 [ 321.194794][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 321.194794][ T74] netlink_rcv_skb+0x130/0x360 [ 321.194794][ T74] netlink_unicast+0x449/0x710 [ 321.194794][ T74] netlink_sendmsg+0x723/0xbe0 [ 321.194794][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 321.194794][ T74] ___sys_sendmsg+0xee/0x170 [ 321.194794][ T74] __sys_sendmsg+0xcd/0x170 [ 321.194794][ T74] do_syscall_64+0xc6/0x1e0 [ 321.194794][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 321.194794][ T74] [ 321.197615][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 321.197615][ T74] netdev_get_by_index+0x5e/0x80 [ 321.197615][ T74] fib6_nh_init+0x3d8/0x1580 [ 321.197615][ T74] ip6_route_info_create+0xf18/0x17d0 [ 321.197615][ T74] addrconf_f6i_alloc+0x265/0x560 [ 321.197615][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 321.197615][ T74] addrconf_join_anycast+0x1c0/0x220 [ 321.197615][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 321.197615][ T74] addrconf_dad_completed+0x12b/0xe20 [ 321.197615][ T74] addrconf_dad_begin+0x310/0x670 [ 321.197615][ T74] addrconf_dad_work+0x10b/0xab0 [ 321.197615][ T74] process_one_work+0x84d/0x18a0 [ 321.197615][ T74] worker_thread+0x587/0xd30 [ 321.197615][ T74] kthread+0x28a/0x350 [ 321.197615][ T74] ret_from_fork+0x31/0x70 [ 321.197615][ T74] ret_from_fork_asm+0x1a/0x30 [ 321.197615][ T74] [ 321.200648][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 321.200648][ T74] netdev_get_by_index+0x5e/0x80 [ 321.200648][ T74] fib6_nh_init+0x3d8/0x1580 [ 321.200648][ T74] ip6_route_info_create+0xf18/0x17d0 [ 321.200648][ T74] ip6_route_add+0x1c/0x140 [ 321.200648][ T74] addrconf_prefix_route+0x2a6/0x430 [ 321.200648][ T74] inet6_addr_add+0x4f8/0xa40 [ 321.200648][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 321.200648][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 321.200648][ T74] netlink_rcv_skb+0x130/0x360 [ 321.200648][ T74] netlink_unicast+0x449/0x710 [ 321.200648][ T74] netlink_sendmsg+0x723/0xbe0 [ 321.200648][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 321.200648][ T74] ___sys_sendmsg+0xee/0x170 [ 321.200648][ T74] __sys_sendmsg+0xcd/0x170 [ 321.200648][ T74] do_syscall_64+0xc6/0x1e0 [ 321.200648][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 321.200648][ T74] [ 321.203335][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 321.203335][ T74] netdev_get_by_index+0x5e/0x80 [ 321.203335][ T74] fib6_nh_init+0x3d8/0x1580 [ 321.203335][ T74] ip6_route_info_create+0xf18/0x17d0 [ 321.203335][ T74] addrconf_f6i_alloc+0x315/0x560 [ 321.203335][ T74] ipv6_add_addr+0x411/0x2000 [ 321.203335][ T74] inet6_addr_add+0x30e/0xa40 [ 321.203335][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 321.203335][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 321.203335][ T74] netlink_rcv_skb+0x130/0x360 [ 321.203335][ T74] netlink_unicast+0x449/0x710 [ 321.203335][ T74] netlink_sendmsg+0x723/0xbe0 [ 321.203335][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 321.203335][ T74] ___sys_sendmsg+0xee/0x170 [ 321.203335][ T74] __sys_sendmsg+0xcd/0x170 [ 321.203335][ T74] do_syscall_64+0xc6/0x1e0 [ 321.203335][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 321.203335][ T74] [ 321.206121][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 321.206121][ T74] netdev_get_by_index+0x5e/0x80 [ 321.206121][ T74] fib6_nh_init+0x3d8/0x1580 [ 321.206121][ T74] ip6_route_info_create+0xf18/0x17d0 [ 321.206121][ T74] ip6_route_add+0x1c/0x140 [ 321.206121][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 321.206121][ T74] addrconf_add_dev+0xe2/0x170 [ 321.206121][ T74] inet6_addr_add+0x12f/0xa40 [ 321.206121][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 321.206121][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 321.206121][ T74] netlink_rcv_skb+0x130/0x360 [ 321.206121][ T74] netlink_unicast+0x449/0x710 [ 321.206121][ T74] netlink_sendmsg+0x723/0xbe0 [ 321.206121][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 321.206121][ T74] ___sys_sendmsg+0xee/0x170 [ 321.206121][ T74] __sys_sendmsg+0xcd/0x170 [ 321.206121][ T74] do_syscall_64+0xc6/0x1e0 [ 321.206121][ T74] [ 321.208884][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 321.208884][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 321.208884][ T74] ipv6_find_idev+0x102/0x170 [ 321.208884][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 321.208884][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 321.208884][ T74] netlink_rcv_skb+0x130/0x360 [ 321.208884][ T74] netlink_unicast+0x449/0x710 [ 321.208884][ T74] netlink_sendmsg+0x723/0xbe0 [ 321.208884][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 321.208884][ T74] ___sys_sendmsg+0xee/0x170 [ 321.208884][ T74] __sys_sendmsg+0xcd/0x170 [ 321.208884][ T74] do_syscall_64+0xc6/0x1e0 [ 321.208884][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 321.208884][ T74] [ 321.211015][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 321.211015][ T74] neigh_parms_alloc+0x1e5/0x510 [ 321.211015][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 321.211015][ T74] ipv6_find_idev+0x102/0x170 [ 321.211015][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 321.211015][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 321.211015][ T74] netlink_rcv_skb+0x130/0x360 [ 321.211015][ T74] netlink_unicast+0x449/0x710 [ 321.211015][ T74] netlink_sendmsg+0x723/0xbe0 [ 321.211015][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 321.211015][ T74] ___sys_sendmsg+0xee/0x170 [ 321.211015][ T74] __sys_sendmsg+0xcd/0x170 [ 321.211015][ T74] do_syscall_64+0xc6/0x1e0 [ 321.211015][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 321.211015][ T74] [ 321.213414][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 321.213705][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 321.213705][ T74] netdev_get_by_index+0x5e/0x80 [ 321.213705][ T74] fib6_nh_init+0x3d8/0x1580 [ 321.213705][ T74] ip6_route_info_create+0xf18/0x17d0 [ 321.213705][ T74] ip6_route_add+0x1c/0x140 [ 321.213705][ T74] addrconf_prefix_route+0x2a6/0x430 [ 321.213705][ T74] inet6_addr_add+0x4f8/0xa40 [ 321.213705][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 321.213705][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 321.213705][ T74] netlink_rcv_skb+0x130/0x360 [ 321.213705][ T74] netlink_unicast+0x449/0x710 [ 321.213705][ T74] netlink_sendmsg+0x723/0xbe0 [ 321.213705][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 321.213705][ T74] ___sys_sendmsg+0xee/0x170 [ 321.213705][ T74] __sys_sendmsg+0xcd/0x170 [ 321.213705][ T74] do_syscall_64+0xc6/0x1e0 [ 321.213705][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 321.213705][ T74] [ 321.216209][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 321.216209][ T74] netdev_get_by_index+0x5e/0x80 [ 321.216209][ T74] fib6_nh_init+0x3d8/0x1580 [ 321.216209][ T74] ip6_route_info_create+0xf18/0x17d0 [ 321.216209][ T74] addrconf_f6i_alloc+0x315/0x560 [ 321.216209][ T74] ipv6_add_addr+0x411/0x2000 [ 321.216209][ T74] inet6_addr_add+0x30e/0xa40 [ 321.216209][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 321.216209][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 321.216209][ T74] netlink_rcv_skb+0x130/0x360 [ 321.216209][ T74] netlink_unicast+0x449/0x710 [ 321.216209][ T74] netlink_sendmsg+0x723/0xbe0 [ 321.216209][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 321.216209][ T74] ___sys_sendmsg+0xee/0x170 [ 321.216209][ T74] __sys_sendmsg+0xcd/0x170 [ 321.216209][ T74] do_syscall_64+0xc6/0x1e0 [ 321.216209][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 321.216209][ T74] [ 321.218815][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 321.218815][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 321.218815][ T74] ipv6_find_idev+0x102/0x170 [ 321.218815][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 321.218815][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 321.218815][ T74] netlink_rcv_skb+0x130/0x360 [ 321.218815][ T74] netlink_unicast+0x449/0x710 [ 321.218815][ T74] netlink_sendmsg+0x723/0xbe0 [ 321.218815][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 321.218815][ T74] ___sys_sendmsg+0xee/0x170 [ 321.218815][ T74] __sys_sendmsg+0xcd/0x170 [ 321.218815][ T74] do_syscall_64+0xc6/0x1e0 [ 321.218815][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 321.218815][ T74] [ 321.220738][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 321.220738][ T74] neigh_parms_alloc+0x1e5/0x510 [ 321.220738][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 321.220738][ T74] ipv6_find_idev+0x102/0x170 [ 321.220738][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 321.220738][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 321.220738][ T74] netlink_rcv_skb+0x130/0x360 [ 321.220738][ T74] netlink_unicast+0x449/0x710 [ 321.220738][ T74] netlink_sendmsg+0x723/0xbe0 [ 321.220738][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 321.220738][ T74] ___sys_sendmsg+0xee/0x170 [ 321.220738][ T74] __sys_sendmsg+0xcd/0x170 [ 321.220738][ T74] do_syscall_64+0xc6/0x1e0 [ 321.220738][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 321.220738][ T74] [ 321.378093][ T2173] veth0: renamed from veth1 [ 325.398784][ T2200] br0: port 1(vx0) entered blocking state [ 325.399003][ T2200] br0: port 1(vx0) entered disabled state [ 325.399175][ T2200] vx0: entered allmulticast mode [ 325.400363][ T2200] vx0: entered promiscuous mode [ 325.402331][ T2200] br0: port 1(vx0) entered blocking state [ 325.402511][ T2200] br0: port 1(vx0) entered forwarding state [ 330.883287][ T2230] br0: port 1(vx0) entered blocking state [ 330.883501][ T2230] br0: port 1(vx0) entered disabled state [ 330.883685][ T2230] vx0: entered allmulticast mode [ 330.884894][ T2230] vx0: entered promiscuous mode [ 330.886730][ T2230] br0: port 1(vx0) entered blocking state [ 330.886916][ T2230] br0: port 1(vx0) entered forwarding state [ 331.328869][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 331.329221][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 331.329221][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 331.329221][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 331.329221][ T74] fib6_nh_init+0xa22/0x1580 [ 331.329221][ T74] ip6_route_info_create+0xf18/0x17d0 [ 331.329221][ T74] ip6_route_add+0x1c/0x140 [ 331.329221][ T74] inet6_rtm_newroute+0x104/0x110 [ 331.329221][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 331.329221][ T74] netlink_rcv_skb+0x130/0x360 [ 331.329221][ T74] netlink_unicast+0x449/0x710 [ 331.329221][ T74] netlink_sendmsg+0x723/0xbe0 [ 331.329221][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 331.329221][ T74] ___sys_sendmsg+0xee/0x170 [ 331.329221][ T74] __sys_sendmsg+0xcd/0x170 [ 331.329221][ T74] do_syscall_64+0xc6/0x1e0 [ 331.329221][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 331.329221][ T74] [ 331.331372][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 331.331372][ T74] netdev_get_by_index+0x5e/0x80 [ 331.331372][ T74] fib6_nh_init+0x3d8/0x1580 [ 331.331372][ T74] ip6_route_info_create+0xf18/0x17d0 [ 331.331372][ T74] addrconf_f6i_alloc+0x265/0x560 [ 331.331372][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 331.331372][ T74] addrconf_join_anycast+0x1c0/0x220 [ 331.331372][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 331.331372][ T74] addrconf_dad_completed+0x12b/0xe20 [ 331.331372][ T74] addrconf_dad_begin+0x310/0x670 [ 331.331372][ T74] addrconf_dad_work+0x10b/0xab0 [ 331.331372][ T74] process_one_work+0x84d/0x18a0 [ 331.331372][ T74] worker_thread+0x587/0xd30 [ 331.331372][ T74] kthread+0x28a/0x350 [ 331.331372][ T74] ret_from_fork+0x31/0x70 [ 331.331372][ T74] ret_from_fork_asm+0x1a/0x30 [ 331.331372][ T74] [ 331.333495][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 331.333495][ T74] netdev_get_by_index+0x5e/0x80 [ 331.333495][ T74] fib6_nh_init+0x3d8/0x1580 [ 331.333495][ T74] ip6_route_info_create+0xf18/0x17d0 [ 331.333495][ T74] ip6_route_add+0x1c/0x140 [ 331.333495][ T74] addrconf_prefix_route+0x2a6/0x430 [ 331.333495][ T74] inet6_addr_add+0x4f8/0xa40 [ 331.333495][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 331.333495][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 331.333495][ T74] netlink_rcv_skb+0x130/0x360 [ 331.333495][ T74] netlink_unicast+0x449/0x710 [ 331.333495][ T74] netlink_sendmsg+0x723/0xbe0 [ 331.333495][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 331.333495][ T74] ___sys_sendmsg+0xee/0x170 [ 331.333495][ T74] __sys_sendmsg+0xcd/0x170 [ 331.333495][ T74] do_syscall_64+0xc6/0x1e0 [ 331.333495][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 331.333495][ T74] [ 331.335703][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 331.335703][ T74] netdev_get_by_index+0x5e/0x80 [ 331.335703][ T74] fib6_nh_init+0x3d8/0x1580 [ 331.335703][ T74] ip6_route_info_create+0xf18/0x17d0 [ 331.335703][ T74] addrconf_f6i_alloc+0x315/0x560 [ 331.335703][ T74] ipv6_add_addr+0x411/0x2000 [ 331.335703][ T74] inet6_addr_add+0x30e/0xa40 [ 331.335703][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 331.335703][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 331.335703][ T74] netlink_rcv_skb+0x130/0x360 [ 331.335703][ T74] netlink_unicast+0x449/0x710 [ 331.335703][ T74] netlink_sendmsg+0x723/0xbe0 [ 331.335703][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 331.335703][ T74] ___sys_sendmsg+0xee/0x170 [ 331.335703][ T74] __sys_sendmsg+0xcd/0x170 [ 331.335703][ T74] do_syscall_64+0xc6/0x1e0 [ 331.335703][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 331.335703][ T74] [ 331.337919][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 331.337919][ T74] netdev_get_by_index+0x5e/0x80 [ 331.337919][ T74] fib6_nh_init+0x3d8/0x1580 [ 331.337919][ T74] ip6_route_info_create+0xf18/0x17d0 [ 331.337919][ T74] ip6_route_add+0x1c/0x140 [ 331.337919][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 331.337919][ T74] addrconf_add_dev+0xe2/0x170 [ 331.337919][ T74] inet6_addr_add+0x12f/0xa40 [ 331.337919][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 331.337919][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 331.337919][ T74] netlink_rcv_skb+0x130/0x360 [ 331.337919][ T74] netlink_unicast+0x449/0x710 [ 331.337919][ T74] netlink_sendmsg+0x723/0xbe0 [ 331.337919][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 331.337919][ T74] ___sys_sendmsg+0xee/0x170 [ 331.337919][ T74] __sys_sendmsg+0xcd/0x170 [ 331.337919][ T74] do_syscall_64+0xc6/0x1e0 [ 331.337919][ T74] [ 331.340095][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 331.340095][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 331.340095][ T74] ipv6_find_idev+0x102/0x170 [ 331.340095][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 331.340095][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 331.340095][ T74] netlink_rcv_skb+0x130/0x360 [ 331.340095][ T74] netlink_unicast+0x449/0x710 [ 331.340095][ T74] netlink_sendmsg+0x723/0xbe0 [ 331.340095][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 331.340095][ T74] ___sys_sendmsg+0xee/0x170 [ 331.340095][ T74] __sys_sendmsg+0xcd/0x170 [ 331.340095][ T74] do_syscall_64+0xc6/0x1e0 [ 331.340095][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 331.340095][ T74] [ 331.341664][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 331.341664][ T74] neigh_parms_alloc+0x1e5/0x510 [ 331.341664][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 331.341664][ T74] ipv6_find_idev+0x102/0x170 [ 331.341664][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 331.341664][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 331.341664][ T74] netlink_rcv_skb+0x130/0x360 [ 331.341664][ T74] netlink_unicast+0x449/0x710 [ 331.341664][ T74] netlink_sendmsg+0x723/0xbe0 [ 331.341664][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 331.341664][ T74] ___sys_sendmsg+0xee/0x170 [ 331.341664][ T74] __sys_sendmsg+0xcd/0x170 [ 331.341664][ T74] do_syscall_64+0xc6/0x1e0 [ 331.341664][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 331.341664][ T74] [ 331.343404][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 331.343684][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 331.343684][ T74] dst_init+0x84/0x4a0 [ 331.343684][ T74] dst_alloc+0x97/0x150 [ 331.343684][ T74] ip6_dst_alloc+0x23/0x90 [ 331.343684][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 331.343684][ T74] ip6_pol_route+0x56f/0x840 [ 331.343684][ T74] fib6_rule_lookup+0x456/0x630 [ 331.343684][ T74] ip6_route_input+0x59c/0xa50 [ 331.343684][ T74] ipv6_rcv+0x397/0x810 [ 331.343684][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 331.343684][ T74] process_backlog+0x101/0x620 [ 331.343684][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 331.343684][ T74] net_rx_action+0x495/0xbe0 [ 331.343684][ T74] __do_softirq+0x1b5/0x7f6 [ 331.343684][ T74] [ 331.345343][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 331.345343][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 331.345343][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 331.345343][ T74] fib6_nh_init+0xa22/0x1580 [ 331.345343][ T74] ip6_route_info_create+0xf18/0x17d0 [ 331.345343][ T74] ip6_route_add+0x1c/0x140 [ 331.345343][ T74] inet6_rtm_newroute+0x104/0x110 [ 331.345343][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 331.345343][ T74] netlink_rcv_skb+0x130/0x360 [ 331.345343][ T74] netlink_unicast+0x449/0x710 [ 331.345343][ T74] netlink_sendmsg+0x723/0xbe0 [ 331.345343][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 331.345343][ T74] ___sys_sendmsg+0xee/0x170 [ 331.345343][ T74] __sys_sendmsg+0xcd/0x170 [ 331.345343][ T74] do_syscall_64+0xc6/0x1e0 [ 331.345343][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 331.345343][ T74] [ 331.347243][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 331.347243][ T74] netdev_get_by_index+0x5e/0x80 [ 331.347243][ T74] fib6_nh_init+0x3d8/0x1580 [ 331.347243][ T74] ip6_route_info_create+0xf18/0x17d0 [ 331.347243][ T74] addrconf_f6i_alloc+0x265/0x560 [ 331.347243][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 331.347243][ T74] addrconf_join_anycast+0x1c0/0x220 [ 331.347243][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 331.347243][ T74] addrconf_dad_completed+0x12b/0xe20 [ 331.347243][ T74] addrconf_dad_begin+0x310/0x670 [ 331.347243][ T74] addrconf_dad_work+0x10b/0xab0 [ 331.347243][ T74] process_one_work+0x84d/0x18a0 [ 331.347243][ T74] worker_thread+0x587/0xd30 [ 331.347243][ T74] kthread+0x28a/0x350 [ 331.347243][ T74] ret_from_fork+0x31/0x70 [ 331.347243][ T74] ret_from_fork_asm+0x1a/0x30 [ 331.347243][ T74] [ 331.349187][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 331.349187][ T74] netdev_get_by_index+0x5e/0x80 [ 331.349187][ T74] fib6_nh_init+0x3d8/0x1580 [ 331.349187][ T74] ip6_route_info_create+0xf18/0x17d0 [ 331.349187][ T74] ip6_route_add+0x1c/0x140 [ 331.349187][ T74] addrconf_prefix_route+0x2a6/0x430 [ 331.349187][ T74] inet6_addr_add+0x4f8/0xa40 [ 331.349187][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 331.349187][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 331.349187][ T74] netlink_rcv_skb+0x130/0x360 [ 331.349187][ T74] netlink_unicast+0x449/0x710 [ 331.349187][ T74] netlink_sendmsg+0x723/0xbe0 [ 331.349187][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 331.349187][ T74] ___sys_sendmsg+0xee/0x170 [ 331.349187][ T74] __sys_sendmsg+0xcd/0x170 [ 331.349187][ T74] do_syscall_64+0xc6/0x1e0 [ 331.349187][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 331.349187][ T74] [ 331.351204][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 331.351204][ T74] netdev_get_by_index+0x5e/0x80 [ 331.351204][ T74] fib6_nh_init+0x3d8/0x1580 [ 331.351204][ T74] ip6_route_info_create+0xf18/0x17d0 [ 331.351204][ T74] addrconf_f6i_alloc+0x315/0x560 [ 331.351204][ T74] ipv6_add_addr+0x411/0x2000 [ 331.351204][ T74] inet6_addr_add+0x30e/0xa40 [ 331.351204][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 331.351204][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 331.351204][ T74] netlink_rcv_skb+0x130/0x360 [ 331.351204][ T74] netlink_unicast+0x449/0x710 [ 331.351204][ T74] netlink_sendmsg+0x723/0xbe0 [ 331.351204][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 331.351204][ T74] ___sys_sendmsg+0xee/0x170 [ 331.351204][ T74] __sys_sendmsg+0xcd/0x170 [ 331.351204][ T74] do_syscall_64+0xc6/0x1e0 [ 331.351204][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 331.351204][ T74] [ 331.353210][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 331.353210][ T74] netdev_get_by_index+0x5e/0x80 [ 331.353210][ T74] fib6_nh_init+0x3d8/0x1580 [ 331.353210][ T74] ip6_route_info_create+0xf18/0x17d0 [ 331.353210][ T74] ip6_route_add+0x1c/0x140 [ 331.353210][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 331.353210][ T74] addrconf_add_dev+0xe2/0x170 [ 331.353210][ T74] inet6_addr_add+0x12f/0xa40 [ 331.353210][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 331.353210][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 331.353210][ T74] netlink_rcv_skb+0x130/0x360 [ 331.353210][ T74] netlink_unicast+0x449/0x710 [ 331.353210][ T74] netlink_sendmsg+0x723/0xbe0 [ 331.353210][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 331.353210][ T74] ___sys_sendmsg+0xee/0x170 [ 331.353210][ T74] __sys_sendmsg+0xcd/0x170 [ 331.353210][ T74] do_syscall_64+0xc6/0x1e0 [ 331.353210][ T74] [ 331.355199][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 331.355199][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 331.355199][ T74] ipv6_find_idev+0x102/0x170 [ 331.355199][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 331.355199][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 331.355199][ T74] netlink_rcv_skb+0x130/0x360 [ 331.355199][ T74] netlink_unicast+0x449/0x710 [ 331.355199][ T74] netlink_sendmsg+0x723/0xbe0 [ 331.355199][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 331.355199][ T74] ___sys_sendmsg+0xee/0x170 [ 331.355199][ T74] __sys_sendmsg+0xcd/0x170 [ 331.355199][ T74] do_syscall_64+0xc6/0x1e0 [ 331.355199][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 331.355199][ T74] [ 331.356931][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 331.356931][ T74] neigh_parms_alloc+0x1e5/0x510 [ 331.356931][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 331.356931][ T74] ipv6_find_idev+0x102/0x170 [ 331.356931][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 331.356931][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 331.356931][ T74] netlink_rcv_skb+0x130/0x360 [ 331.356931][ T74] netlink_unicast+0x449/0x710 [ 331.356931][ T74] netlink_sendmsg+0x723/0xbe0 [ 331.356931][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 331.356931][ T74] ___sys_sendmsg+0xee/0x170 [ 331.356931][ T74] __sys_sendmsg+0xcd/0x170 [ 331.356931][ T74] do_syscall_64+0xc6/0x1e0 [ 331.356931][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 331.356931][ T74] [ 331.358952][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 331.359202][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 331.359202][ T74] netdev_get_by_index+0x5e/0x80 [ 331.359202][ T74] fib6_nh_init+0x3d8/0x1580 [ 331.359202][ T74] ip6_route_info_create+0xf18/0x17d0 [ 331.359202][ T74] ip6_route_add+0x1c/0x140 [ 331.359202][ T74] addrconf_prefix_route+0x2a6/0x430 [ 331.359202][ T74] inet6_addr_add+0x4f8/0xa40 [ 331.359202][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 331.359202][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 331.359202][ T74] netlink_rcv_skb+0x130/0x360 [ 331.359202][ T74] netlink_unicast+0x449/0x710 [ 331.359202][ T74] netlink_sendmsg+0x723/0xbe0 [ 331.359202][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 331.359202][ T74] ___sys_sendmsg+0xee/0x170 [ 331.359202][ T74] __sys_sendmsg+0xcd/0x170 [ 331.359202][ T74] do_syscall_64+0xc6/0x1e0 [ 331.359202][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 331.359202][ T74] [ 331.361364][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 331.361364][ T74] netdev_get_by_index+0x5e/0x80 [ 331.361364][ T74] fib6_nh_init+0x3d8/0x1580 [ 331.361364][ T74] ip6_route_info_create+0xf18/0x17d0 [ 331.361364][ T74] addrconf_f6i_alloc+0x315/0x560 [ 331.361364][ T74] ipv6_add_addr+0x411/0x2000 [ 331.361364][ T74] inet6_addr_add+0x30e/0xa40 [ 331.361364][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 331.361364][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 331.361364][ T74] netlink_rcv_skb+0x130/0x360 [ 331.361364][ T74] netlink_unicast+0x449/0x710 [ 331.361364][ T74] netlink_sendmsg+0x723/0xbe0 [ 331.361364][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 331.361364][ T74] ___sys_sendmsg+0xee/0x170 [ 331.361364][ T74] __sys_sendmsg+0xcd/0x170 [ 331.361364][ T74] do_syscall_64+0xc6/0x1e0 [ 331.361364][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 331.361364][ T74] [ 331.363620][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 331.363620][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 331.363620][ T74] ipv6_find_idev+0x102/0x170 [ 331.363620][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 331.363620][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 331.363620][ T74] netlink_rcv_skb+0x130/0x360 [ 331.363620][ T74] netlink_unicast+0x449/0x710 [ 331.363620][ T74] netlink_sendmsg+0x723/0xbe0 [ 331.363620][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 331.363620][ T74] ___sys_sendmsg+0xee/0x170 [ 331.363620][ T74] __sys_sendmsg+0xcd/0x170 [ 331.363620][ T74] do_syscall_64+0xc6/0x1e0 [ 331.363620][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 331.363620][ T74] [ 331.365289][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 331.365289][ T74] neigh_parms_alloc+0x1e5/0x510 [ 331.365289][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 331.365289][ T74] ipv6_find_idev+0x102/0x170 [ 331.365289][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 331.365289][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 331.365289][ T74] netlink_rcv_skb+0x130/0x360 [ 331.365289][ T74] netlink_unicast+0x449/0x710 [ 331.365289][ T74] netlink_sendmsg+0x723/0xbe0 [ 331.365289][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 331.365289][ T74] ___sys_sendmsg+0xee/0x170 [ 331.365289][ T74] __sys_sendmsg+0xcd/0x170 [ 331.365289][ T74] do_syscall_64+0xc6/0x1e0 [ 331.365289][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 331.365289][ T74] [ 335.129646][ T2262] veth0: renamed from veth1 [ 339.134953][ T2289] br0: port 1(vx0) entered blocking state [ 339.135163][ T2289] br0: port 1(vx0) entered disabled state [ 339.135344][ T2289] vx0: entered allmulticast mode [ 339.136581][ T2289] vx0: entered promiscuous mode [ 339.138522][ T2289] br0: port 1(vx0) entered blocking state [ 339.138697][ T2289] br0: port 1(vx0) entered forwarding state [ 341.488888][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 341.489225][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 341.489225][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 341.489225][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 341.489225][ T74] fib6_nh_init+0xa22/0x1580 [ 341.489225][ T74] ip6_route_info_create+0xf18/0x17d0 [ 341.489225][ T74] ip6_route_add+0x1c/0x140 [ 341.489225][ T74] inet6_rtm_newroute+0x104/0x110 [ 341.489225][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 341.489225][ T74] netlink_rcv_skb+0x130/0x360 [ 341.489225][ T74] netlink_unicast+0x449/0x710 [ 341.489225][ T74] netlink_sendmsg+0x723/0xbe0 [ 341.489225][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 341.489225][ T74] ___sys_sendmsg+0xee/0x170 [ 341.489225][ T74] __sys_sendmsg+0xcd/0x170 [ 341.489225][ T74] do_syscall_64+0xc6/0x1e0 [ 341.489225][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 341.489225][ T74] [ 341.491287][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 341.491287][ T74] netdev_get_by_index+0x5e/0x80 [ 341.491287][ T74] fib6_nh_init+0x3d8/0x1580 [ 341.491287][ T74] ip6_route_info_create+0xf18/0x17d0 [ 341.491287][ T74] addrconf_f6i_alloc+0x265/0x560 [ 341.491287][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 341.491287][ T74] addrconf_join_anycast+0x1c0/0x220 [ 341.491287][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 341.491287][ T74] addrconf_dad_completed+0x12b/0xe20 [ 341.491287][ T74] addrconf_dad_begin+0x310/0x670 [ 341.491287][ T74] addrconf_dad_work+0x10b/0xab0 [ 341.491287][ T74] process_one_work+0x84d/0x18a0 [ 341.491287][ T74] worker_thread+0x587/0xd30 [ 341.491287][ T74] kthread+0x28a/0x350 [ 341.491287][ T74] ret_from_fork+0x31/0x70 [ 341.491287][ T74] ret_from_fork_asm+0x1a/0x30 [ 341.491287][ T74] [ 341.493425][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 341.493425][ T74] netdev_get_by_index+0x5e/0x80 [ 341.493425][ T74] fib6_nh_init+0x3d8/0x1580 [ 341.493425][ T74] ip6_route_info_create+0xf18/0x17d0 [ 341.493425][ T74] ip6_route_add+0x1c/0x140 [ 341.493425][ T74] addrconf_prefix_route+0x2a6/0x430 [ 341.493425][ T74] inet6_addr_add+0x4f8/0xa40 [ 341.493425][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 341.493425][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 341.493425][ T74] netlink_rcv_skb+0x130/0x360 [ 341.493425][ T74] netlink_unicast+0x449/0x710 [ 341.493425][ T74] netlink_sendmsg+0x723/0xbe0 [ 341.493425][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 341.493425][ T74] ___sys_sendmsg+0xee/0x170 [ 341.493425][ T74] __sys_sendmsg+0xcd/0x170 [ 341.493425][ T74] do_syscall_64+0xc6/0x1e0 [ 341.493425][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 341.493425][ T74] [ 341.495699][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 341.495699][ T74] netdev_get_by_index+0x5e/0x80 [ 341.495699][ T74] fib6_nh_init+0x3d8/0x1580 [ 341.495699][ T74] ip6_route_info_create+0xf18/0x17d0 [ 341.495699][ T74] addrconf_f6i_alloc+0x315/0x560 [ 341.495699][ T74] ipv6_add_addr+0x411/0x2000 [ 341.495699][ T74] inet6_addr_add+0x30e/0xa40 [ 341.495699][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 341.495699][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 341.495699][ T74] netlink_rcv_skb+0x130/0x360 [ 341.495699][ T74] netlink_unicast+0x449/0x710 [ 341.495699][ T74] netlink_sendmsg+0x723/0xbe0 [ 341.495699][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 341.495699][ T74] ___sys_sendmsg+0xee/0x170 [ 341.495699][ T74] __sys_sendmsg+0xcd/0x170 [ 341.495699][ T74] do_syscall_64+0xc6/0x1e0 [ 341.495699][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 341.495699][ T74] [ 341.497999][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 341.497999][ T74] netdev_get_by_index+0x5e/0x80 [ 341.497999][ T74] fib6_nh_init+0x3d8/0x1580 [ 341.497999][ T74] ip6_route_info_create+0xf18/0x17d0 [ 341.497999][ T74] ip6_route_add+0x1c/0x140 [ 341.497999][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 341.497999][ T74] addrconf_add_dev+0xe2/0x170 [ 341.497999][ T74] inet6_addr_add+0x12f/0xa40 [ 341.497999][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 341.497999][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 341.497999][ T74] netlink_rcv_skb+0x130/0x360 [ 341.497999][ T74] netlink_unicast+0x449/0x710 [ 341.497999][ T74] netlink_sendmsg+0x723/0xbe0 [ 341.497999][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 341.497999][ T74] ___sys_sendmsg+0xee/0x170 [ 341.497999][ T74] __sys_sendmsg+0xcd/0x170 [ 341.497999][ T74] do_syscall_64+0xc6/0x1e0 [ 341.497999][ T74] [ 341.500237][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 341.500237][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 341.500237][ T74] ipv6_find_idev+0x102/0x170 [ 341.500237][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 341.500237][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 341.500237][ T74] netlink_rcv_skb+0x130/0x360 [ 341.500237][ T74] netlink_unicast+0x449/0x710 [ 341.500237][ T74] netlink_sendmsg+0x723/0xbe0 [ 341.500237][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 341.500237][ T74] ___sys_sendmsg+0xee/0x170 [ 341.500237][ T74] __sys_sendmsg+0xcd/0x170 [ 341.500237][ T74] do_syscall_64+0xc6/0x1e0 [ 341.500237][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 341.500237][ T74] [ 341.502006][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 341.502006][ T74] neigh_parms_alloc+0x1e5/0x510 [ 341.502006][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 341.502006][ T74] ipv6_find_idev+0x102/0x170 [ 341.502006][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 341.502006][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 341.502006][ T74] netlink_rcv_skb+0x130/0x360 [ 341.502006][ T74] netlink_unicast+0x449/0x710 [ 341.502006][ T74] netlink_sendmsg+0x723/0xbe0 [ 341.502006][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 341.502006][ T74] ___sys_sendmsg+0xee/0x170 [ 341.502006][ T74] __sys_sendmsg+0xcd/0x170 [ 341.502006][ T74] do_syscall_64+0xc6/0x1e0 [ 341.502006][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 341.502006][ T74] [ 341.503935][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 341.504264][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 341.504264][ T74] dst_init+0x84/0x4a0 [ 341.504264][ T74] dst_alloc+0x97/0x150 [ 341.504264][ T74] ip6_dst_alloc+0x23/0x90 [ 341.504264][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 341.504264][ T74] ip6_pol_route+0x56f/0x840 [ 341.504264][ T74] fib6_rule_lookup+0x456/0x630 [ 341.504264][ T74] ip6_route_input+0x59c/0xa50 [ 341.504264][ T74] ipv6_rcv+0x397/0x810 [ 341.504264][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 341.504264][ T74] process_backlog+0x101/0x620 [ 341.504264][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 341.504264][ T74] net_rx_action+0x495/0xbe0 [ 341.504264][ T74] __do_softirq+0x1b5/0x7f6 [ 341.504264][ T74] [ 341.506276][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 341.506276][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 341.506276][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 341.506276][ T74] fib6_nh_init+0xa22/0x1580 [ 341.506276][ T74] ip6_route_info_create+0xf18/0x17d0 [ 341.506276][ T74] ip6_route_add+0x1c/0x140 [ 341.506276][ T74] inet6_rtm_newroute+0x104/0x110 [ 341.506276][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 341.506276][ T74] netlink_rcv_skb+0x130/0x360 [ 341.506276][ T74] netlink_unicast+0x449/0x710 [ 341.506276][ T74] netlink_sendmsg+0x723/0xbe0 [ 341.506276][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 341.506276][ T74] ___sys_sendmsg+0xee/0x170 [ 341.506276][ T74] __sys_sendmsg+0xcd/0x170 [ 341.506276][ T74] do_syscall_64+0xc6/0x1e0 [ 341.506276][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 341.506276][ T74] [ 341.508629][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 341.508629][ T74] netdev_get_by_index+0x5e/0x80 [ 341.508629][ T74] fib6_nh_init+0x3d8/0x1580 [ 341.508629][ T74] ip6_route_info_create+0xf18/0x17d0 [ 341.508629][ T74] addrconf_f6i_alloc+0x265/0x560 [ 341.508629][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 341.508629][ T74] addrconf_join_anycast+0x1c0/0x220 [ 341.508629][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 341.508629][ T74] addrconf_dad_completed+0x12b/0xe20 [ 341.508629][ T74] addrconf_dad_begin+0x310/0x670 [ 341.508629][ T74] addrconf_dad_work+0x10b/0xab0 [ 341.508629][ T74] process_one_work+0x84d/0x18a0 [ 341.508629][ T74] worker_thread+0x587/0xd30 [ 341.508629][ T74] kthread+0x28a/0x350 [ 341.508629][ T74] ret_from_fork+0x31/0x70 [ 341.508629][ T74] ret_from_fork_asm+0x1a/0x30 [ 341.508629][ T74] [ 341.510816][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 341.510816][ T74] netdev_get_by_index+0x5e/0x80 [ 341.510816][ T74] fib6_nh_init+0x3d8/0x1580 [ 341.510816][ T74] ip6_route_info_create+0xf18/0x17d0 [ 341.510816][ T74] ip6_route_add+0x1c/0x140 [ 341.510816][ T74] addrconf_prefix_route+0x2a6/0x430 [ 341.510816][ T74] inet6_addr_add+0x4f8/0xa40 [ 341.510816][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 341.510816][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 341.510816][ T74] netlink_rcv_skb+0x130/0x360 [ 341.510816][ T74] netlink_unicast+0x449/0x710 [ 341.510816][ T74] netlink_sendmsg+0x723/0xbe0 [ 341.510816][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 341.510816][ T74] ___sys_sendmsg+0xee/0x170 [ 341.510816][ T74] __sys_sendmsg+0xcd/0x170 [ 341.510816][ T74] do_syscall_64+0xc6/0x1e0 [ 341.510816][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 341.510816][ T74] [ 341.513114][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 341.513114][ T74] netdev_get_by_index+0x5e/0x80 [ 341.513114][ T74] fib6_nh_init+0x3d8/0x1580 [ 341.513114][ T74] ip6_route_info_create+0xf18/0x17d0 [ 341.513114][ T74] addrconf_f6i_alloc+0x315/0x560 [ 341.513114][ T74] ipv6_add_addr+0x411/0x2000 [ 341.513114][ T74] inet6_addr_add+0x30e/0xa40 [ 341.513114][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 341.513114][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 341.513114][ T74] netlink_rcv_skb+0x130/0x360 [ 341.513114][ T74] netlink_unicast+0x449/0x710 [ 341.513114][ T74] netlink_sendmsg+0x723/0xbe0 [ 341.513114][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 341.513114][ T74] ___sys_sendmsg+0xee/0x170 [ 341.513114][ T74] __sys_sendmsg+0xcd/0x170 [ 341.513114][ T74] do_syscall_64+0xc6/0x1e0 [ 341.513114][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 341.513114][ T74] [ 341.515220][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 341.515220][ T74] netdev_get_by_index+0x5e/0x80 [ 341.515220][ T74] fib6_nh_init+0x3d8/0x1580 [ 341.515220][ T74] ip6_route_info_create+0xf18/0x17d0 [ 341.515220][ T74] ip6_route_add+0x1c/0x140 [ 341.515220][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 341.515220][ T74] addrconf_add_dev+0xe2/0x170 [ 341.515220][ T74] inet6_addr_add+0x12f/0xa40 [ 341.515220][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 341.515220][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 341.515220][ T74] netlink_rcv_skb+0x130/0x360 [ 341.515220][ T74] netlink_unicast+0x449/0x710 [ 341.515220][ T74] netlink_sendmsg+0x723/0xbe0 [ 341.515220][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 341.515220][ T74] ___sys_sendmsg+0xee/0x170 [ 341.515220][ T74] __sys_sendmsg+0xcd/0x170 [ 341.515220][ T74] do_syscall_64+0xc6/0x1e0 [ 341.515220][ T74] [ 341.517488][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 341.517488][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 341.517488][ T74] ipv6_find_idev+0x102/0x170 [ 341.517488][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 341.517488][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 341.517488][ T74] netlink_rcv_skb+0x130/0x360 [ 341.517488][ T74] netlink_unicast+0x449/0x710 [ 341.517488][ T74] netlink_sendmsg+0x723/0xbe0 [ 341.517488][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 341.517488][ T74] ___sys_sendmsg+0xee/0x170 [ 341.517488][ T74] __sys_sendmsg+0xcd/0x170 [ 341.517488][ T74] do_syscall_64+0xc6/0x1e0 [ 341.517488][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 341.517488][ T74] [ 341.519235][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 341.519235][ T74] neigh_parms_alloc+0x1e5/0x510 [ 341.519235][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 341.519235][ T74] ipv6_find_idev+0x102/0x170 [ 341.519235][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 341.519235][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 341.519235][ T74] netlink_rcv_skb+0x130/0x360 [ 341.519235][ T74] netlink_unicast+0x449/0x710 [ 341.519235][ T74] netlink_sendmsg+0x723/0xbe0 [ 341.519235][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 341.519235][ T74] ___sys_sendmsg+0xee/0x170 [ 341.519235][ T74] __sys_sendmsg+0xcd/0x170 [ 341.519235][ T74] do_syscall_64+0xc6/0x1e0 [ 341.519235][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 341.519235][ T74] [ 341.521177][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 341.521431][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 341.521431][ T74] netdev_get_by_index+0x5e/0x80 [ 341.521431][ T74] fib6_nh_init+0x3d8/0x1580 [ 341.521431][ T74] ip6_route_info_create+0xf18/0x17d0 [ 341.521431][ T74] ip6_route_add+0x1c/0x140 [ 341.521431][ T74] addrconf_prefix_route+0x2a6/0x430 [ 341.521431][ T74] inet6_addr_add+0x4f8/0xa40 [ 341.521431][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 341.521431][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 341.521431][ T74] netlink_rcv_skb+0x130/0x360 [ 341.521431][ T74] netlink_unicast+0x449/0x710 [ 341.521431][ T74] netlink_sendmsg+0x723/0xbe0 [ 341.521431][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 341.521431][ T74] ___sys_sendmsg+0xee/0x170 [ 341.521431][ T74] __sys_sendmsg+0xcd/0x170 [ 341.521431][ T74] do_syscall_64+0xc6/0x1e0 [ 341.521431][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 341.521431][ T74] [ 341.523707][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 341.523707][ T74] netdev_get_by_index+0x5e/0x80 [ 341.523707][ T74] fib6_nh_init+0x3d8/0x1580 [ 341.523707][ T74] ip6_route_info_create+0xf18/0x17d0 [ 341.523707][ T74] addrconf_f6i_alloc+0x315/0x560 [ 341.523707][ T74] ipv6_add_addr+0x411/0x2000 [ 341.523707][ T74] inet6_addr_add+0x30e/0xa40 [ 341.523707][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 341.523707][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 341.523707][ T74] netlink_rcv_skb+0x130/0x360 [ 341.523707][ T74] netlink_unicast+0x449/0x710 [ 341.523707][ T74] netlink_sendmsg+0x723/0xbe0 [ 341.523707][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 341.523707][ T74] ___sys_sendmsg+0xee/0x170 [ 341.523707][ T74] __sys_sendmsg+0xcd/0x170 [ 341.523707][ T74] do_syscall_64+0xc6/0x1e0 [ 341.523707][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 341.523707][ T74] [ 341.526066][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 341.526066][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 341.526066][ T74] ipv6_find_idev+0x102/0x170 [ 341.526066][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 341.526066][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 341.526066][ T74] netlink_rcv_skb+0x130/0x360 [ 341.526066][ T74] netlink_unicast+0x449/0x710 [ 341.526066][ T74] netlink_sendmsg+0x723/0xbe0 [ 341.526066][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 341.526066][ T74] ___sys_sendmsg+0xee/0x170 [ 341.526066][ T74] __sys_sendmsg+0xcd/0x170 [ 341.526066][ T74] do_syscall_64+0xc6/0x1e0 [ 341.526066][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 341.526066][ T74] [ 341.527749][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 341.527749][ T74] neigh_parms_alloc+0x1e5/0x510 [ 341.527749][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 341.527749][ T74] ipv6_find_idev+0x102/0x170 [ 341.527749][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 341.527749][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 341.527749][ T74] netlink_rcv_skb+0x130/0x360 [ 341.527749][ T74] netlink_unicast+0x449/0x710 [ 341.527749][ T74] netlink_sendmsg+0x723/0xbe0 [ 341.527749][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 341.527749][ T74] ___sys_sendmsg+0xee/0x170 [ 341.527749][ T74] __sys_sendmsg+0xcd/0x170 [ 341.527749][ T74] do_syscall_64+0xc6/0x1e0 [ 341.527749][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 341.527749][ T74] [ 344.769709][ T2319] br0: port 1(vx0) entered blocking state [ 344.769935][ T2319] br0: port 1(vx0) entered disabled state [ 344.770151][ T2319] vx0: entered allmulticast mode [ 344.771598][ T2319] vx0: entered promiscuous mode [ 344.773535][ T2319] br0: port 1(vx0) entered blocking state [ 344.773727][ T2319] br0: port 1(vx0) entered forwarding state [ 351.591973][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 351.592372][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 351.592372][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 351.592372][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 351.592372][ T74] fib6_nh_init+0xa22/0x1580 [ 351.592372][ T74] ip6_route_info_create+0xf18/0x17d0 [ 351.592372][ T74] ip6_route_add+0x1c/0x140 [ 351.592372][ T74] inet6_rtm_newroute+0x104/0x110 [ 351.592372][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 351.592372][ T74] netlink_rcv_skb+0x130/0x360 [ 351.592372][ T74] netlink_unicast+0x449/0x710 [ 351.592372][ T74] netlink_sendmsg+0x723/0xbe0 [ 351.592372][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 351.592372][ T74] ___sys_sendmsg+0xee/0x170 [ 351.592372][ T74] __sys_sendmsg+0xcd/0x170 [ 351.592372][ T74] do_syscall_64+0xc6/0x1e0 [ 351.592372][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 351.592372][ T74] [ 351.594413][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 351.594413][ T74] netdev_get_by_index+0x5e/0x80 [ 351.594413][ T74] fib6_nh_init+0x3d8/0x1580 [ 351.594413][ T74] ip6_route_info_create+0xf18/0x17d0 [ 351.594413][ T74] addrconf_f6i_alloc+0x265/0x560 [ 351.594413][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 351.594413][ T74] addrconf_join_anycast+0x1c0/0x220 [ 351.594413][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 351.594413][ T74] addrconf_dad_completed+0x12b/0xe20 [ 351.594413][ T74] addrconf_dad_begin+0x310/0x670 [ 351.594413][ T74] addrconf_dad_work+0x10b/0xab0 [ 351.594413][ T74] process_one_work+0x84d/0x18a0 [ 351.594413][ T74] worker_thread+0x587/0xd30 [ 351.594413][ T74] kthread+0x28a/0x350 [ 351.594413][ T74] ret_from_fork+0x31/0x70 [ 351.594413][ T74] ret_from_fork_asm+0x1a/0x30 [ 351.594413][ T74] [ 351.596389][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 351.596389][ T74] netdev_get_by_index+0x5e/0x80 [ 351.596389][ T74] fib6_nh_init+0x3d8/0x1580 [ 351.596389][ T74] ip6_route_info_create+0xf18/0x17d0 [ 351.596389][ T74] ip6_route_add+0x1c/0x140 [ 351.596389][ T74] addrconf_prefix_route+0x2a6/0x430 [ 351.596389][ T74] inet6_addr_add+0x4f8/0xa40 [ 351.596389][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 351.596389][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 351.596389][ T74] netlink_rcv_skb+0x130/0x360 [ 351.596389][ T74] netlink_unicast+0x449/0x710 [ 351.596389][ T74] netlink_sendmsg+0x723/0xbe0 [ 351.596389][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 351.596389][ T74] ___sys_sendmsg+0xee/0x170 [ 351.596389][ T74] __sys_sendmsg+0xcd/0x170 [ 351.596389][ T74] do_syscall_64+0xc6/0x1e0 [ 351.596389][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 351.596389][ T74] [ 351.598515][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 351.598515][ T74] netdev_get_by_index+0x5e/0x80 [ 351.598515][ T74] fib6_nh_init+0x3d8/0x1580 [ 351.598515][ T74] ip6_route_info_create+0xf18/0x17d0 [ 351.598515][ T74] addrconf_f6i_alloc+0x315/0x560 [ 351.598515][ T74] ipv6_add_addr+0x411/0x2000 [ 351.598515][ T74] inet6_addr_add+0x30e/0xa40 [ 351.598515][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 351.598515][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 351.598515][ T74] netlink_rcv_skb+0x130/0x360 [ 351.598515][ T74] netlink_unicast+0x449/0x710 [ 351.598515][ T74] netlink_sendmsg+0x723/0xbe0 [ 351.598515][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 351.598515][ T74] ___sys_sendmsg+0xee/0x170 [ 351.598515][ T74] __sys_sendmsg+0xcd/0x170 [ 351.598515][ T74] do_syscall_64+0xc6/0x1e0 [ 351.598515][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 351.598515][ T74] [ 351.600520][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 351.600520][ T74] netdev_get_by_index+0x5e/0x80 [ 351.600520][ T74] fib6_nh_init+0x3d8/0x1580 [ 351.600520][ T74] ip6_route_info_create+0xf18/0x17d0 [ 351.600520][ T74] ip6_route_add+0x1c/0x140 [ 351.600520][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 351.600520][ T74] addrconf_add_dev+0xe2/0x170 [ 351.600520][ T74] inet6_addr_add+0x12f/0xa40 [ 351.600520][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 351.600520][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 351.600520][ T74] netlink_rcv_skb+0x130/0x360 [ 351.600520][ T74] netlink_unicast+0x449/0x710 [ 351.600520][ T74] netlink_sendmsg+0x723/0xbe0 [ 351.600520][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 351.600520][ T74] ___sys_sendmsg+0xee/0x170 [ 351.600520][ T74] __sys_sendmsg+0xcd/0x170 [ 351.600520][ T74] do_syscall_64+0xc6/0x1e0 [ 351.600520][ T74] [ 351.602526][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 351.602526][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 351.602526][ T74] ipv6_find_idev+0x102/0x170 [ 351.602526][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 351.602526][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 351.602526][ T74] netlink_rcv_skb+0x130/0x360 [ 351.602526][ T74] netlink_unicast+0x449/0x710 [ 351.602526][ T74] netlink_sendmsg+0x723/0xbe0 [ 351.602526][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 351.602526][ T74] ___sys_sendmsg+0xee/0x170 [ 351.602526][ T74] __sys_sendmsg+0xcd/0x170 [ 351.602526][ T74] do_syscall_64+0xc6/0x1e0 [ 351.602526][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 351.602526][ T74] [ 351.604072][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 351.604072][ T74] neigh_parms_alloc+0x1e5/0x510 [ 351.604072][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 351.604072][ T74] ipv6_find_idev+0x102/0x170 [ 351.604072][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 351.604072][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 351.604072][ T74] netlink_rcv_skb+0x130/0x360 [ 351.604072][ T74] netlink_unicast+0x449/0x710 [ 351.604072][ T74] netlink_sendmsg+0x723/0xbe0 [ 351.604072][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 351.604072][ T74] ___sys_sendmsg+0xee/0x170 [ 351.604072][ T74] __sys_sendmsg+0xcd/0x170 [ 351.604072][ T74] do_syscall_64+0xc6/0x1e0 [ 351.604072][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 351.604072][ T74] [ 351.605795][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 351.606091][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 351.606091][ T74] dst_init+0x84/0x4a0 [ 351.606091][ T74] dst_alloc+0x97/0x150 [ 351.606091][ T74] ip6_dst_alloc+0x23/0x90 [ 351.606091][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 351.606091][ T74] ip6_pol_route+0x56f/0x840 [ 351.606091][ T74] fib6_rule_lookup+0x456/0x630 [ 351.606091][ T74] ip6_route_input+0x59c/0xa50 [ 351.606091][ T74] ipv6_rcv+0x397/0x810 [ 351.606091][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 351.606091][ T74] process_backlog+0x101/0x620 [ 351.606091][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 351.606091][ T74] net_rx_action+0x495/0xbe0 [ 351.606091][ T74] __do_softirq+0x1b5/0x7f6 [ 351.606091][ T74] [ 351.607778][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 351.607778][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 351.607778][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 351.607778][ T74] fib6_nh_init+0xa22/0x1580 [ 351.607778][ T74] ip6_route_info_create+0xf18/0x17d0 [ 351.607778][ T74] ip6_route_add+0x1c/0x140 [ 351.607778][ T74] inet6_rtm_newroute+0x104/0x110 [ 351.607778][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 351.607778][ T74] netlink_rcv_skb+0x130/0x360 [ 351.607778][ T74] netlink_unicast+0x449/0x710 [ 351.607778][ T74] netlink_sendmsg+0x723/0xbe0 [ 351.607778][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 351.607778][ T74] ___sys_sendmsg+0xee/0x170 [ 351.607778][ T74] __sys_sendmsg+0xcd/0x170 [ 351.607778][ T74] do_syscall_64+0xc6/0x1e0 [ 351.607778][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 351.607778][ T74] [ 351.609695][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 351.609695][ T74] netdev_get_by_index+0x5e/0x80 [ 351.609695][ T74] fib6_nh_init+0x3d8/0x1580 [ 351.609695][ T74] ip6_route_info_create+0xf18/0x17d0 [ 351.609695][ T74] addrconf_f6i_alloc+0x265/0x560 [ 351.609695][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 351.609695][ T74] addrconf_join_anycast+0x1c0/0x220 [ 351.609695][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 351.609695][ T74] addrconf_dad_completed+0x12b/0xe20 [ 351.609695][ T74] addrconf_dad_begin+0x310/0x670 [ 351.609695][ T74] addrconf_dad_work+0x10b/0xab0 [ 351.609695][ T74] process_one_work+0x84d/0x18a0 [ 351.609695][ T74] worker_thread+0x587/0xd30 [ 351.609695][ T74] kthread+0x28a/0x350 [ 351.609695][ T74] ret_from_fork+0x31/0x70 [ 351.609695][ T74] ret_from_fork_asm+0x1a/0x30 [ 351.609695][ T74] [ 351.611645][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 351.611645][ T74] netdev_get_by_index+0x5e/0x80 [ 351.611645][ T74] fib6_nh_init+0x3d8/0x1580 [ 351.611645][ T74] ip6_route_info_create+0xf18/0x17d0 [ 351.611645][ T74] ip6_route_add+0x1c/0x140 [ 351.611645][ T74] addrconf_prefix_route+0x2a6/0x430 [ 351.611645][ T74] inet6_addr_add+0x4f8/0xa40 [ 351.611645][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 351.611645][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 351.611645][ T74] netlink_rcv_skb+0x130/0x360 [ 351.611645][ T74] netlink_unicast+0x449/0x710 [ 351.611645][ T74] netlink_sendmsg+0x723/0xbe0 [ 351.611645][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 351.611645][ T74] ___sys_sendmsg+0xee/0x170 [ 351.611645][ T74] __sys_sendmsg+0xcd/0x170 [ 351.611645][ T74] do_syscall_64+0xc6/0x1e0 [ 351.611645][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 351.611645][ T74] [ 351.613683][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 351.613683][ T74] netdev_get_by_index+0x5e/0x80 [ 351.613683][ T74] fib6_nh_init+0x3d8/0x1580 [ 351.613683][ T74] ip6_route_info_create+0xf18/0x17d0 [ 351.613683][ T74] addrconf_f6i_alloc+0x315/0x560 [ 351.613683][ T74] ipv6_add_addr+0x411/0x2000 [ 351.613683][ T74] inet6_addr_add+0x30e/0xa40 [ 351.613683][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 351.613683][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 351.613683][ T74] netlink_rcv_skb+0x130/0x360 [ 351.613683][ T74] netlink_unicast+0x449/0x710 [ 351.613683][ T74] netlink_sendmsg+0x723/0xbe0 [ 351.613683][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 351.613683][ T74] ___sys_sendmsg+0xee/0x170 [ 351.613683][ T74] __sys_sendmsg+0xcd/0x170 [ 351.613683][ T74] do_syscall_64+0xc6/0x1e0 [ 351.613683][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 351.613683][ T74] [ 351.615738][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 351.615738][ T74] netdev_get_by_index+0x5e/0x80 [ 351.615738][ T74] fib6_nh_init+0x3d8/0x1580 [ 351.615738][ T74] ip6_route_info_create+0xf18/0x17d0 [ 351.615738][ T74] ip6_route_add+0x1c/0x140 [ 351.615738][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 351.615738][ T74] addrconf_add_dev+0xe2/0x170 [ 351.615738][ T74] inet6_addr_add+0x12f/0xa40 [ 351.615738][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 351.615738][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 351.615738][ T74] netlink_rcv_skb+0x130/0x360 [ 351.615738][ T74] netlink_unicast+0x449/0x710 [ 351.615738][ T74] netlink_sendmsg+0x723/0xbe0 [ 351.615738][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 351.615738][ T74] ___sys_sendmsg+0xee/0x170 [ 351.615738][ T74] __sys_sendmsg+0xcd/0x170 [ 351.615738][ T74] do_syscall_64+0xc6/0x1e0 [ 351.615738][ T74] [ 351.617745][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 351.617745][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 351.617745][ T74] ipv6_find_idev+0x102/0x170 [ 351.617745][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 351.617745][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 351.617745][ T74] netlink_rcv_skb+0x130/0x360 [ 351.617745][ T74] netlink_unicast+0x449/0x710 [ 351.617745][ T74] netlink_sendmsg+0x723/0xbe0 [ 351.617745][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 351.617745][ T74] ___sys_sendmsg+0xee/0x170 [ 351.617745][ T74] __sys_sendmsg+0xcd/0x170 [ 351.617745][ T74] do_syscall_64+0xc6/0x1e0 [ 351.617745][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 351.617745][ T74] [ 351.619539][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 351.619539][ T74] neigh_parms_alloc+0x1e5/0x510 [ 351.619539][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 351.619539][ T74] ipv6_find_idev+0x102/0x170 [ 351.619539][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 351.619539][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 351.619539][ T74] netlink_rcv_skb+0x130/0x360 [ 351.619539][ T74] netlink_unicast+0x449/0x710 [ 351.619539][ T74] netlink_sendmsg+0x723/0xbe0 [ 351.619539][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 351.619539][ T74] ___sys_sendmsg+0xee/0x170 [ 351.619539][ T74] __sys_sendmsg+0xcd/0x170 [ 351.619539][ T74] do_syscall_64+0xc6/0x1e0 [ 351.619539][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 351.619539][ T74] [ 351.622182][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 351.622441][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 351.622441][ T74] netdev_get_by_index+0x5e/0x80 [ 351.622441][ T74] fib6_nh_init+0x3d8/0x1580 [ 351.622441][ T74] ip6_route_info_create+0xf18/0x17d0 [ 351.622441][ T74] ip6_route_add+0x1c/0x140 [ 351.622441][ T74] addrconf_prefix_route+0x2a6/0x430 [ 351.622441][ T74] inet6_addr_add+0x4f8/0xa40 [ 351.622441][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 351.622441][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 351.622441][ T74] netlink_rcv_skb+0x130/0x360 [ 351.622441][ T74] netlink_unicast+0x449/0x710 [ 351.622441][ T74] netlink_sendmsg+0x723/0xbe0 [ 351.622441][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 351.622441][ T74] ___sys_sendmsg+0xee/0x170 [ 351.622441][ T74] __sys_sendmsg+0xcd/0x170 [ 351.622441][ T74] do_syscall_64+0xc6/0x1e0 [ 351.622441][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 351.622441][ T74] [ 351.624641][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 351.624641][ T74] netdev_get_by_index+0x5e/0x80 [ 351.624641][ T74] fib6_nh_init+0x3d8/0x1580 [ 351.624641][ T74] ip6_route_info_create+0xf18/0x17d0 [ 351.624641][ T74] addrconf_f6i_alloc+0x315/0x560 [ 351.624641][ T74] ipv6_add_addr+0x411/0x2000 [ 351.624641][ T74] inet6_addr_add+0x30e/0xa40 [ 351.624641][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 351.624641][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 351.624641][ T74] netlink_rcv_skb+0x130/0x360 [ 351.624641][ T74] netlink_unicast+0x449/0x710 [ 351.624641][ T74] netlink_sendmsg+0x723/0xbe0 [ 351.624641][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 351.624641][ T74] ___sys_sendmsg+0xee/0x170 [ 351.624641][ T74] __sys_sendmsg+0xcd/0x170 [ 351.624641][ T74] do_syscall_64+0xc6/0x1e0 [ 351.624641][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 351.624641][ T74] [ 351.626839][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 351.626839][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 351.626839][ T74] ipv6_find_idev+0x102/0x170 [ 351.626839][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 351.626839][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 351.626839][ T74] netlink_rcv_skb+0x130/0x360 [ 351.626839][ T74] netlink_unicast+0x449/0x710 [ 351.626839][ T74] netlink_sendmsg+0x723/0xbe0 [ 351.626839][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 351.626839][ T74] ___sys_sendmsg+0xee/0x170 [ 351.626839][ T74] __sys_sendmsg+0xcd/0x170 [ 351.626839][ T74] do_syscall_64+0xc6/0x1e0 [ 351.626839][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 351.626839][ T74] [ 351.628528][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 351.628528][ T74] neigh_parms_alloc+0x1e5/0x510 [ 351.628528][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 351.628528][ T74] ipv6_find_idev+0x102/0x170 [ 351.628528][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 351.628528][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 351.628528][ T74] netlink_rcv_skb+0x130/0x360 [ 351.628528][ T74] netlink_unicast+0x449/0x710 [ 351.628528][ T74] netlink_sendmsg+0x723/0xbe0 [ 351.628528][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 351.628528][ T74] ___sys_sendmsg+0xee/0x170 [ 351.628528][ T74] __sys_sendmsg+0xcd/0x170 [ 351.628528][ T74] do_syscall_64+0xc6/0x1e0 [ 351.628528][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 351.628528][ T74] [ 361.592913][ T2450] veth0: renamed from veth1 [ 361.791873][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 361.792222][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 361.792222][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 361.792222][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 361.792222][ T74] fib6_nh_init+0xa22/0x1580 [ 361.792222][ T74] ip6_route_info_create+0xf18/0x17d0 [ 361.792222][ T74] ip6_route_add+0x1c/0x140 [ 361.792222][ T74] inet6_rtm_newroute+0x104/0x110 [ 361.792222][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 361.792222][ T74] netlink_rcv_skb+0x130/0x360 [ 361.792222][ T74] netlink_unicast+0x449/0x710 [ 361.792222][ T74] netlink_sendmsg+0x723/0xbe0 [ 361.792222][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 361.792222][ T74] ___sys_sendmsg+0xee/0x170 [ 361.792222][ T74] __sys_sendmsg+0xcd/0x170 [ 361.792222][ T74] do_syscall_64+0xc6/0x1e0 [ 361.792222][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 361.792222][ T74] [ 361.794307][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 361.794307][ T74] netdev_get_by_index+0x5e/0x80 [ 361.794307][ T74] fib6_nh_init+0x3d8/0x1580 [ 361.794307][ T74] ip6_route_info_create+0xf18/0x17d0 [ 361.794307][ T74] addrconf_f6i_alloc+0x265/0x560 [ 361.794307][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 361.794307][ T74] addrconf_join_anycast+0x1c0/0x220 [ 361.794307][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 361.794307][ T74] addrconf_dad_completed+0x12b/0xe20 [ 361.794307][ T74] addrconf_dad_begin+0x310/0x670 [ 361.794307][ T74] addrconf_dad_work+0x10b/0xab0 [ 361.794307][ T74] process_one_work+0x84d/0x18a0 [ 361.794307][ T74] worker_thread+0x587/0xd30 [ 361.794307][ T74] kthread+0x28a/0x350 [ 361.794307][ T74] ret_from_fork+0x31/0x70 [ 361.794307][ T74] ret_from_fork_asm+0x1a/0x30 [ 361.794307][ T74] [ 361.796380][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 361.796380][ T74] netdev_get_by_index+0x5e/0x80 [ 361.796380][ T74] fib6_nh_init+0x3d8/0x1580 [ 361.796380][ T74] ip6_route_info_create+0xf18/0x17d0 [ 361.796380][ T74] ip6_route_add+0x1c/0x140 [ 361.796380][ T74] addrconf_prefix_route+0x2a6/0x430 [ 361.796380][ T74] inet6_addr_add+0x4f8/0xa40 [ 361.796380][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 361.796380][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 361.796380][ T74] netlink_rcv_skb+0x130/0x360 [ 361.796380][ T74] netlink_unicast+0x449/0x710 [ 361.796380][ T74] netlink_sendmsg+0x723/0xbe0 [ 361.796380][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 361.796380][ T74] ___sys_sendmsg+0xee/0x170 [ 361.796380][ T74] __sys_sendmsg+0xcd/0x170 [ 361.796380][ T74] do_syscall_64+0xc6/0x1e0 [ 361.796380][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 361.796380][ T74] [ 361.798591][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 361.798591][ T74] netdev_get_by_index+0x5e/0x80 [ 361.798591][ T74] fib6_nh_init+0x3d8/0x1580 [ 361.798591][ T74] ip6_route_info_create+0xf18/0x17d0 [ 361.798591][ T74] addrconf_f6i_alloc+0x315/0x560 [ 361.798591][ T74] ipv6_add_addr+0x411/0x2000 [ 361.798591][ T74] inet6_addr_add+0x30e/0xa40 [ 361.798591][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 361.798591][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 361.798591][ T74] netlink_rcv_skb+0x130/0x360 [ 361.798591][ T74] netlink_unicast+0x449/0x710 [ 361.798591][ T74] netlink_sendmsg+0x723/0xbe0 [ 361.798591][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 361.798591][ T74] ___sys_sendmsg+0xee/0x170 [ 361.798591][ T74] __sys_sendmsg+0xcd/0x170 [ 361.798591][ T74] do_syscall_64+0xc6/0x1e0 [ 361.798591][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 361.798591][ T74] [ 361.800741][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 361.800741][ T74] netdev_get_by_index+0x5e/0x80 [ 361.800741][ T74] fib6_nh_init+0x3d8/0x1580 [ 361.800741][ T74] ip6_route_info_create+0xf18/0x17d0 [ 361.800741][ T74] ip6_route_add+0x1c/0x140 [ 361.800741][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 361.800741][ T74] addrconf_add_dev+0xe2/0x170 [ 361.800741][ T74] inet6_addr_add+0x12f/0xa40 [ 361.800741][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 361.800741][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 361.800741][ T74] netlink_rcv_skb+0x130/0x360 [ 361.800741][ T74] netlink_unicast+0x449/0x710 [ 361.800741][ T74] netlink_sendmsg+0x723/0xbe0 [ 361.800741][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 361.800741][ T74] ___sys_sendmsg+0xee/0x170 [ 361.800741][ T74] __sys_sendmsg+0xcd/0x170 [ 361.800741][ T74] do_syscall_64+0xc6/0x1e0 [ 361.800741][ T74] [ 361.802783][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 361.802783][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 361.802783][ T74] ipv6_find_idev+0x102/0x170 [ 361.802783][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 361.802783][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 361.802783][ T74] netlink_rcv_skb+0x130/0x360 [ 361.802783][ T74] netlink_unicast+0x449/0x710 [ 361.802783][ T74] netlink_sendmsg+0x723/0xbe0 [ 361.802783][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 361.802783][ T74] ___sys_sendmsg+0xee/0x170 [ 361.802783][ T74] __sys_sendmsg+0xcd/0x170 [ 361.802783][ T74] do_syscall_64+0xc6/0x1e0 [ 361.802783][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 361.802783][ T74] [ 361.804399][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 361.804399][ T74] neigh_parms_alloc+0x1e5/0x510 [ 361.804399][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 361.804399][ T74] ipv6_find_idev+0x102/0x170 [ 361.804399][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 361.804399][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 361.804399][ T74] netlink_rcv_skb+0x130/0x360 [ 361.804399][ T74] netlink_unicast+0x449/0x710 [ 361.804399][ T74] netlink_sendmsg+0x723/0xbe0 [ 361.804399][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 361.804399][ T74] ___sys_sendmsg+0xee/0x170 [ 361.804399][ T74] __sys_sendmsg+0xcd/0x170 [ 361.804399][ T74] do_syscall_64+0xc6/0x1e0 [ 361.804399][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 361.804399][ T74] [ 361.806271][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 361.806584][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 361.806584][ T74] dst_init+0x84/0x4a0 [ 361.806584][ T74] dst_alloc+0x97/0x150 [ 361.806584][ T74] ip6_dst_alloc+0x23/0x90 [ 361.806584][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 361.806584][ T74] ip6_pol_route+0x56f/0x840 [ 361.806584][ T74] fib6_rule_lookup+0x456/0x630 [ 361.806584][ T74] ip6_route_input+0x59c/0xa50 [ 361.806584][ T74] ipv6_rcv+0x397/0x810 [ 361.806584][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 361.806584][ T74] process_backlog+0x101/0x620 [ 361.806584][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 361.806584][ T74] net_rx_action+0x495/0xbe0 [ 361.806584][ T74] __do_softirq+0x1b5/0x7f6 [ 361.806584][ T74] [ 361.808295][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 361.808295][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 361.808295][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 361.808295][ T74] fib6_nh_init+0xa22/0x1580 [ 361.808295][ T74] ip6_route_info_create+0xf18/0x17d0 [ 361.808295][ T74] ip6_route_add+0x1c/0x140 [ 361.808295][ T74] inet6_rtm_newroute+0x104/0x110 [ 361.808295][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 361.808295][ T74] netlink_rcv_skb+0x130/0x360 [ 361.808295][ T74] netlink_unicast+0x449/0x710 [ 361.808295][ T74] netlink_sendmsg+0x723/0xbe0 [ 361.808295][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 361.808295][ T74] ___sys_sendmsg+0xee/0x170 [ 361.808295][ T74] __sys_sendmsg+0xcd/0x170 [ 361.808295][ T74] do_syscall_64+0xc6/0x1e0 [ 361.808295][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 361.808295][ T74] [ 361.810243][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 361.810243][ T74] netdev_get_by_index+0x5e/0x80 [ 361.810243][ T74] fib6_nh_init+0x3d8/0x1580 [ 361.810243][ T74] ip6_route_info_create+0xf18/0x17d0 [ 361.810243][ T74] addrconf_f6i_alloc+0x265/0x560 [ 361.810243][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 361.810243][ T74] addrconf_join_anycast+0x1c0/0x220 [ 361.810243][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 361.810243][ T74] addrconf_dad_completed+0x12b/0xe20 [ 361.810243][ T74] addrconf_dad_begin+0x310/0x670 [ 361.810243][ T74] addrconf_dad_work+0x10b/0xab0 [ 361.810243][ T74] process_one_work+0x84d/0x18a0 [ 361.810243][ T74] worker_thread+0x587/0xd30 [ 361.810243][ T74] kthread+0x28a/0x350 [ 361.810243][ T74] ret_from_fork+0x31/0x70 [ 361.810243][ T74] ret_from_fork_asm+0x1a/0x30 [ 361.810243][ T74] [ 361.812327][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 361.812327][ T74] netdev_get_by_index+0x5e/0x80 [ 361.812327][ T74] fib6_nh_init+0x3d8/0x1580 [ 361.812327][ T74] ip6_route_info_create+0xf18/0x17d0 [ 361.812327][ T74] ip6_route_add+0x1c/0x140 [ 361.812327][ T74] addrconf_prefix_route+0x2a6/0x430 [ 361.812327][ T74] inet6_addr_add+0x4f8/0xa40 [ 361.812327][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 361.812327][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 361.812327][ T74] netlink_rcv_skb+0x130/0x360 [ 361.812327][ T74] netlink_unicast+0x449/0x710 [ 361.812327][ T74] netlink_sendmsg+0x723/0xbe0 [ 361.812327][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 361.812327][ T74] ___sys_sendmsg+0xee/0x170 [ 361.812327][ T74] __sys_sendmsg+0xcd/0x170 [ 361.812327][ T74] do_syscall_64+0xc6/0x1e0 [ 361.812327][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 361.812327][ T74] [ 361.814639][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 361.814639][ T74] netdev_get_by_index+0x5e/0x80 [ 361.814639][ T74] fib6_nh_init+0x3d8/0x1580 [ 361.814639][ T74] ip6_route_info_create+0xf18/0x17d0 [ 361.814639][ T74] addrconf_f6i_alloc+0x315/0x560 [ 361.814639][ T74] ipv6_add_addr+0x411/0x2000 [ 361.814639][ T74] inet6_addr_add+0x30e/0xa40 [ 361.814639][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 361.814639][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 361.814639][ T74] netlink_rcv_skb+0x130/0x360 [ 361.814639][ T74] netlink_unicast+0x449/0x710 [ 361.814639][ T74] netlink_sendmsg+0x723/0xbe0 [ 361.814639][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 361.814639][ T74] ___sys_sendmsg+0xee/0x170 [ 361.814639][ T74] __sys_sendmsg+0xcd/0x170 [ 361.814639][ T74] do_syscall_64+0xc6/0x1e0 [ 361.814639][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 361.814639][ T74] [ 361.817021][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 361.817021][ T74] netdev_get_by_index+0x5e/0x80 [ 361.817021][ T74] fib6_nh_init+0x3d8/0x1580 [ 361.817021][ T74] ip6_route_info_create+0xf18/0x17d0 [ 361.817021][ T74] ip6_route_add+0x1c/0x140 [ 361.817021][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 361.817021][ T74] addrconf_add_dev+0xe2/0x170 [ 361.817021][ T74] inet6_addr_add+0x12f/0xa40 [ 361.817021][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 361.817021][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 361.817021][ T74] netlink_rcv_skb+0x130/0x360 [ 361.817021][ T74] netlink_unicast+0x449/0x710 [ 361.817021][ T74] netlink_sendmsg+0x723/0xbe0 [ 361.817021][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 361.817021][ T74] ___sys_sendmsg+0xee/0x170 [ 361.817021][ T74] __sys_sendmsg+0xcd/0x170 [ 361.817021][ T74] do_syscall_64+0xc6/0x1e0 [ 361.817021][ T74] [ 361.819156][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 361.819156][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 361.819156][ T74] ipv6_find_idev+0x102/0x170 [ 361.819156][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 361.819156][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 361.819156][ T74] netlink_rcv_skb+0x130/0x360 [ 361.819156][ T74] netlink_unicast+0x449/0x710 [ 361.819156][ T74] netlink_sendmsg+0x723/0xbe0 [ 361.819156][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 361.819156][ T74] ___sys_sendmsg+0xee/0x170 [ 361.819156][ T74] __sys_sendmsg+0xcd/0x170 [ 361.819156][ T74] do_syscall_64+0xc6/0x1e0 [ 361.819156][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 361.819156][ T74] [ 361.820901][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 361.820901][ T74] neigh_parms_alloc+0x1e5/0x510 [ 361.820901][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 361.820901][ T74] ipv6_find_idev+0x102/0x170 [ 361.820901][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 361.820901][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 361.820901][ T74] netlink_rcv_skb+0x130/0x360 [ 361.820901][ T74] netlink_unicast+0x449/0x710 [ 361.820901][ T74] netlink_sendmsg+0x723/0xbe0 [ 361.820901][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 361.820901][ T74] ___sys_sendmsg+0xee/0x170 [ 361.820901][ T74] __sys_sendmsg+0xcd/0x170 [ 361.820901][ T74] do_syscall_64+0xc6/0x1e0 [ 361.820901][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 361.820901][ T74] [ 361.823019][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 361.823278][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 361.823278][ T74] netdev_get_by_index+0x5e/0x80 [ 361.823278][ T74] fib6_nh_init+0x3d8/0x1580 [ 361.823278][ T74] ip6_route_info_create+0xf18/0x17d0 [ 361.823278][ T74] ip6_route_add+0x1c/0x140 [ 361.823278][ T74] addrconf_prefix_route+0x2a6/0x430 [ 361.823278][ T74] inet6_addr_add+0x4f8/0xa40 [ 361.823278][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 361.823278][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 361.823278][ T74] netlink_rcv_skb+0x130/0x360 [ 361.823278][ T74] netlink_unicast+0x449/0x710 [ 361.823278][ T74] netlink_sendmsg+0x723/0xbe0 [ 361.823278][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 361.823278][ T74] ___sys_sendmsg+0xee/0x170 [ 361.823278][ T74] __sys_sendmsg+0xcd/0x170 [ 361.823278][ T74] do_syscall_64+0xc6/0x1e0 [ 361.823278][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 361.823278][ T74] [ 361.825507][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 361.825507][ T74] netdev_get_by_index+0x5e/0x80 [ 361.825507][ T74] fib6_nh_init+0x3d8/0x1580 [ 361.825507][ T74] ip6_route_info_create+0xf18/0x17d0 [ 361.825507][ T74] addrconf_f6i_alloc+0x315/0x560 [ 361.825507][ T74] ipv6_add_addr+0x411/0x2000 [ 361.825507][ T74] inet6_addr_add+0x30e/0xa40 [ 361.825507][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 361.825507][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 361.825507][ T74] netlink_rcv_skb+0x130/0x360 [ 361.825507][ T74] netlink_unicast+0x449/0x710 [ 361.825507][ T74] netlink_sendmsg+0x723/0xbe0 [ 361.825507][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 361.825507][ T74] ___sys_sendmsg+0xee/0x170 [ 361.825507][ T74] __sys_sendmsg+0xcd/0x170 [ 361.825507][ T74] do_syscall_64+0xc6/0x1e0 [ 361.825507][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 361.825507][ T74] [ 361.828167][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 361.828167][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 361.828167][ T74] ipv6_find_idev+0x102/0x170 [ 361.828167][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 361.828167][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 361.828167][ T74] netlink_rcv_skb+0x130/0x360 [ 361.828167][ T74] netlink_unicast+0x449/0x710 [ 361.828167][ T74] netlink_sendmsg+0x723/0xbe0 [ 361.828167][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 361.828167][ T74] ___sys_sendmsg+0xee/0x170 [ 361.828167][ T74] __sys_sendmsg+0xcd/0x170 [ 361.828167][ T74] do_syscall_64+0xc6/0x1e0 [ 361.828167][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 361.828167][ T74] [ 361.830116][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 361.830116][ T74] neigh_parms_alloc+0x1e5/0x510 [ 361.830116][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 361.830116][ T74] ipv6_find_idev+0x102/0x170 [ 361.830116][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 361.830116][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 361.830116][ T74] netlink_rcv_skb+0x130/0x360 [ 361.830116][ T74] netlink_unicast+0x449/0x710 [ 361.830116][ T74] netlink_sendmsg+0x723/0xbe0 [ 361.830116][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 361.830116][ T74] ___sys_sendmsg+0xee/0x170 [ 361.830116][ T74] __sys_sendmsg+0xcd/0x170 [ 361.830116][ T74] do_syscall_64+0xc6/0x1e0 [ 361.830116][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 361.830116][ T74] [ 365.524969][ T2477] br0: port 1(vx0) entered blocking state [ 365.525161][ T2477] br0: port 1(vx0) entered disabled state [ 365.525334][ T2477] vx0: entered allmulticast mode [ 365.526539][ T2477] vx0: entered promiscuous mode [ 365.529493][ T2477] br0: port 1(vx0) entered blocking state [ 365.529665][ T2477] br0: port 1(vx0) entered forwarding state [ 371.017275][ T2507] br0: port 1(vx0) entered blocking state [ 371.017505][ T2507] br0: port 1(vx0) entered disabled state [ 371.017692][ T2507] vx0: entered allmulticast mode [ 371.019511][ T2507] vx0: entered promiscuous mode [ 371.021480][ T2507] br0: port 1(vx0) entered blocking state [ 371.021669][ T2507] br0: port 1(vx0) entered forwarding state [ 371.959887][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 371.960344][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 371.960344][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 371.960344][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 371.960344][ T74] fib6_nh_init+0xa22/0x1580 [ 371.960344][ T74] ip6_route_info_create+0xf18/0x17d0 [ 371.960344][ T74] ip6_route_add+0x1c/0x140 [ 371.960344][ T74] inet6_rtm_newroute+0x104/0x110 [ 371.960344][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 371.960344][ T74] netlink_rcv_skb+0x130/0x360 [ 371.960344][ T74] netlink_unicast+0x449/0x710 [ 371.960344][ T74] netlink_sendmsg+0x723/0xbe0 [ 371.960344][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 371.960344][ T74] ___sys_sendmsg+0xee/0x170 [ 371.960344][ T74] __sys_sendmsg+0xcd/0x170 [ 371.960344][ T74] do_syscall_64+0xc6/0x1e0 [ 371.960344][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 371.960344][ T74] [ 371.963359][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 371.963359][ T74] netdev_get_by_index+0x5e/0x80 [ 371.963359][ T74] fib6_nh_init+0x3d8/0x1580 [ 371.963359][ T74] ip6_route_info_create+0xf18/0x17d0 [ 371.963359][ T74] addrconf_f6i_alloc+0x265/0x560 [ 371.963359][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 371.963359][ T74] addrconf_join_anycast+0x1c0/0x220 [ 371.963359][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 371.963359][ T74] addrconf_dad_completed+0x12b/0xe20 [ 371.963359][ T74] addrconf_dad_begin+0x310/0x670 [ 371.963359][ T74] addrconf_dad_work+0x10b/0xab0 [ 371.963359][ T74] process_one_work+0x84d/0x18a0 [ 371.963359][ T74] worker_thread+0x587/0xd30 [ 371.963359][ T74] kthread+0x28a/0x350 [ 371.963359][ T74] ret_from_fork+0x31/0x70 [ 371.963359][ T74] ret_from_fork_asm+0x1a/0x30 [ 371.963359][ T74] [ 371.966597][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 371.966597][ T74] netdev_get_by_index+0x5e/0x80 [ 371.966597][ T74] fib6_nh_init+0x3d8/0x1580 [ 371.966597][ T74] ip6_route_info_create+0xf18/0x17d0 [ 371.966597][ T74] ip6_route_add+0x1c/0x140 [ 371.966597][ T74] addrconf_prefix_route+0x2a6/0x430 [ 371.966597][ T74] inet6_addr_add+0x4f8/0xa40 [ 371.966597][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 371.966597][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 371.966597][ T74] netlink_rcv_skb+0x130/0x360 [ 371.966597][ T74] netlink_unicast+0x449/0x710 [ 371.966597][ T74] netlink_sendmsg+0x723/0xbe0 [ 371.966597][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 371.966597][ T74] ___sys_sendmsg+0xee/0x170 [ 371.966597][ T74] __sys_sendmsg+0xcd/0x170 [ 371.966597][ T74] do_syscall_64+0xc6/0x1e0 [ 371.966597][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 371.966597][ T74] [ 371.970356][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 371.970356][ T74] netdev_get_by_index+0x5e/0x80 [ 371.970356][ T74] fib6_nh_init+0x3d8/0x1580 [ 371.970356][ T74] ip6_route_info_create+0xf18/0x17d0 [ 371.970356][ T74] addrconf_f6i_alloc+0x315/0x560 [ 371.970356][ T74] ipv6_add_addr+0x411/0x2000 [ 371.970356][ T74] inet6_addr_add+0x30e/0xa40 [ 371.970356][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 371.970356][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 371.970356][ T74] netlink_rcv_skb+0x130/0x360 [ 371.970356][ T74] netlink_unicast+0x449/0x710 [ 371.970356][ T74] netlink_sendmsg+0x723/0xbe0 [ 371.970356][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 371.970356][ T74] ___sys_sendmsg+0xee/0x170 [ 371.970356][ T74] __sys_sendmsg+0xcd/0x170 [ 371.970356][ T74] do_syscall_64+0xc6/0x1e0 [ 371.970356][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 371.970356][ T74] [ 371.973756][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 371.973756][ T74] netdev_get_by_index+0x5e/0x80 [ 371.973756][ T74] fib6_nh_init+0x3d8/0x1580 [ 371.973756][ T74] ip6_route_info_create+0xf18/0x17d0 [ 371.973756][ T74] ip6_route_add+0x1c/0x140 [ 371.973756][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 371.973756][ T74] addrconf_add_dev+0xe2/0x170 [ 371.973756][ T74] inet6_addr_add+0x12f/0xa40 [ 371.973756][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 371.973756][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 371.973756][ T74] netlink_rcv_skb+0x130/0x360 [ 371.973756][ T74] netlink_unicast+0x449/0x710 [ 371.973756][ T74] netlink_sendmsg+0x723/0xbe0 [ 371.973756][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 371.973756][ T74] ___sys_sendmsg+0xee/0x170 [ 371.973756][ T74] __sys_sendmsg+0xcd/0x170 [ 371.973756][ T74] do_syscall_64+0xc6/0x1e0 [ 371.973756][ T74] [ 371.977131][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 371.977131][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 371.977131][ T74] ipv6_find_idev+0x102/0x170 [ 371.977131][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 371.977131][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 371.977131][ T74] netlink_rcv_skb+0x130/0x360 [ 371.977131][ T74] netlink_unicast+0x449/0x710 [ 371.977131][ T74] netlink_sendmsg+0x723/0xbe0 [ 371.977131][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 371.977131][ T74] ___sys_sendmsg+0xee/0x170 [ 371.977131][ T74] __sys_sendmsg+0xcd/0x170 [ 371.977131][ T74] do_syscall_64+0xc6/0x1e0 [ 371.977131][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 371.977131][ T74] [ 371.979880][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 371.979880][ T74] neigh_parms_alloc+0x1e5/0x510 [ 371.979880][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 371.979880][ T74] ipv6_find_idev+0x102/0x170 [ 371.979880][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 371.979880][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 371.979880][ T74] netlink_rcv_skb+0x130/0x360 [ 371.979880][ T74] netlink_unicast+0x449/0x710 [ 371.979880][ T74] netlink_sendmsg+0x723/0xbe0 [ 371.979880][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 371.979880][ T74] ___sys_sendmsg+0xee/0x170 [ 371.979880][ T74] __sys_sendmsg+0xcd/0x170 [ 371.979880][ T74] do_syscall_64+0xc6/0x1e0 [ 371.979880][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 371.979880][ T74] [ 371.983662][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 371.984467][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 371.984467][ T74] dst_init+0x84/0x4a0 [ 371.984467][ T74] dst_alloc+0x97/0x150 [ 371.984467][ T74] ip6_dst_alloc+0x23/0x90 [ 371.984467][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 371.984467][ T74] ip6_pol_route+0x56f/0x840 [ 371.984467][ T74] fib6_rule_lookup+0x456/0x630 [ 371.984467][ T74] ip6_route_input+0x59c/0xa50 [ 371.984467][ T74] ipv6_rcv+0x397/0x810 [ 371.984467][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 371.984467][ T74] process_backlog+0x101/0x620 [ 371.984467][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 371.984467][ T74] net_rx_action+0x495/0xbe0 [ 371.984467][ T74] __do_softirq+0x1b5/0x7f6 [ 371.984467][ T74] [ 371.986162][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 371.986162][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 371.986162][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 371.986162][ T74] fib6_nh_init+0xa22/0x1580 [ 371.986162][ T74] ip6_route_info_create+0xf18/0x17d0 [ 371.986162][ T74] ip6_route_add+0x1c/0x140 [ 371.986162][ T74] inet6_rtm_newroute+0x104/0x110 [ 371.986162][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 371.986162][ T74] netlink_rcv_skb+0x130/0x360 [ 371.986162][ T74] netlink_unicast+0x449/0x710 [ 371.986162][ T74] netlink_sendmsg+0x723/0xbe0 [ 371.986162][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 371.986162][ T74] ___sys_sendmsg+0xee/0x170 [ 371.986162][ T74] __sys_sendmsg+0xcd/0x170 [ 371.986162][ T74] do_syscall_64+0xc6/0x1e0 [ 371.986162][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 371.986162][ T74] [ 371.988151][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 371.988151][ T74] netdev_get_by_index+0x5e/0x80 [ 371.988151][ T74] fib6_nh_init+0x3d8/0x1580 [ 371.988151][ T74] ip6_route_info_create+0xf18/0x17d0 [ 371.988151][ T74] addrconf_f6i_alloc+0x265/0x560 [ 371.988151][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 371.988151][ T74] addrconf_join_anycast+0x1c0/0x220 [ 371.988151][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 371.988151][ T74] addrconf_dad_completed+0x12b/0xe20 [ 371.988151][ T74] addrconf_dad_begin+0x310/0x670 [ 371.988151][ T74] addrconf_dad_work+0x10b/0xab0 [ 371.988151][ T74] process_one_work+0x84d/0x18a0 [ 371.988151][ T74] worker_thread+0x587/0xd30 [ 371.988151][ T74] kthread+0x28a/0x350 [ 371.988151][ T74] ret_from_fork+0x31/0x70 [ 371.988151][ T74] ret_from_fork_asm+0x1a/0x30 [ 371.988151][ T74] [ 371.990325][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 371.990325][ T74] netdev_get_by_index+0x5e/0x80 [ 371.990325][ T74] fib6_nh_init+0x3d8/0x1580 [ 371.990325][ T74] ip6_route_info_create+0xf18/0x17d0 [ 371.990325][ T74] ip6_route_add+0x1c/0x140 [ 371.990325][ T74] addrconf_prefix_route+0x2a6/0x430 [ 371.990325][ T74] inet6_addr_add+0x4f8/0xa40 [ 371.990325][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 371.990325][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 371.990325][ T74] netlink_rcv_skb+0x130/0x360 [ 371.990325][ T74] netlink_unicast+0x449/0x710 [ 371.990325][ T74] netlink_sendmsg+0x723/0xbe0 [ 371.990325][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 371.990325][ T74] ___sys_sendmsg+0xee/0x170 [ 371.990325][ T74] __sys_sendmsg+0xcd/0x170 [ 371.990325][ T74] do_syscall_64+0xc6/0x1e0 [ 371.990325][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 371.990325][ T74] [ 371.992539][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 371.992539][ T74] netdev_get_by_index+0x5e/0x80 [ 371.992539][ T74] fib6_nh_init+0x3d8/0x1580 [ 371.992539][ T74] ip6_route_info_create+0xf18/0x17d0 [ 371.992539][ T74] addrconf_f6i_alloc+0x315/0x560 [ 371.992539][ T74] ipv6_add_addr+0x411/0x2000 [ 371.992539][ T74] inet6_addr_add+0x30e/0xa40 [ 371.992539][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 371.992539][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 371.992539][ T74] netlink_rcv_skb+0x130/0x360 [ 371.992539][ T74] netlink_unicast+0x449/0x710 [ 371.992539][ T74] netlink_sendmsg+0x723/0xbe0 [ 371.992539][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 371.992539][ T74] ___sys_sendmsg+0xee/0x170 [ 371.992539][ T74] __sys_sendmsg+0xcd/0x170 [ 371.992539][ T74] do_syscall_64+0xc6/0x1e0 [ 371.992539][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 371.992539][ T74] [ 371.994940][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 371.994940][ T74] netdev_get_by_index+0x5e/0x80 [ 371.994940][ T74] fib6_nh_init+0x3d8/0x1580 [ 371.994940][ T74] ip6_route_info_create+0xf18/0x17d0 [ 371.994940][ T74] ip6_route_add+0x1c/0x140 [ 371.994940][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 371.994940][ T74] addrconf_add_dev+0xe2/0x170 [ 371.994940][ T74] inet6_addr_add+0x12f/0xa40 [ 371.994940][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 371.994940][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 371.994940][ T74] netlink_rcv_skb+0x130/0x360 [ 371.994940][ T74] netlink_unicast+0x449/0x710 [ 371.994940][ T74] netlink_sendmsg+0x723/0xbe0 [ 371.994940][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 371.994940][ T74] ___sys_sendmsg+0xee/0x170 [ 371.994940][ T74] __sys_sendmsg+0xcd/0x170 [ 371.994940][ T74] do_syscall_64+0xc6/0x1e0 [ 371.994940][ T74] [ 371.997396][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 371.997396][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 371.997396][ T74] ipv6_find_idev+0x102/0x170 [ 371.997396][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 371.997396][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 371.997396][ T74] netlink_rcv_skb+0x130/0x360 [ 371.997396][ T74] netlink_unicast+0x449/0x710 [ 371.997396][ T74] netlink_sendmsg+0x723/0xbe0 [ 371.997396][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 371.997396][ T74] ___sys_sendmsg+0xee/0x170 [ 371.997396][ T74] __sys_sendmsg+0xcd/0x170 [ 371.997396][ T74] do_syscall_64+0xc6/0x1e0 [ 371.997396][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 371.997396][ T74] [ 371.999105][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 371.999105][ T74] neigh_parms_alloc+0x1e5/0x510 [ 371.999105][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 371.999105][ T74] ipv6_find_idev+0x102/0x170 [ 371.999105][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 371.999105][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 371.999105][ T74] netlink_rcv_skb+0x130/0x360 [ 371.999105][ T74] netlink_unicast+0x449/0x710 [ 371.999105][ T74] netlink_sendmsg+0x723/0xbe0 [ 371.999105][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 371.999105][ T74] ___sys_sendmsg+0xee/0x170 [ 371.999105][ T74] __sys_sendmsg+0xcd/0x170 [ 371.999105][ T74] do_syscall_64+0xc6/0x1e0 [ 371.999105][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 371.999105][ T74] [ 372.001101][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 372.001365][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 372.001365][ T74] netdev_get_by_index+0x5e/0x80 [ 372.001365][ T74] fib6_nh_init+0x3d8/0x1580 [ 372.001365][ T74] ip6_route_info_create+0xf18/0x17d0 [ 372.001365][ T74] ip6_route_add+0x1c/0x140 [ 372.001365][ T74] addrconf_prefix_route+0x2a6/0x430 [ 372.001365][ T74] inet6_addr_add+0x4f8/0xa40 [ 372.001365][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 372.001365][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 372.001365][ T74] netlink_rcv_skb+0x130/0x360 [ 372.001365][ T74] netlink_unicast+0x449/0x710 [ 372.001365][ T74] netlink_sendmsg+0x723/0xbe0 [ 372.001365][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 372.001365][ T74] ___sys_sendmsg+0xee/0x170 [ 372.001365][ T74] __sys_sendmsg+0xcd/0x170 [ 372.001365][ T74] do_syscall_64+0xc6/0x1e0 [ 372.001365][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 372.001365][ T74] [ 372.003773][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 372.003773][ T74] netdev_get_by_index+0x5e/0x80 [ 372.003773][ T74] fib6_nh_init+0x3d8/0x1580 [ 372.003773][ T74] ip6_route_info_create+0xf18/0x17d0 [ 372.003773][ T74] addrconf_f6i_alloc+0x315/0x560 [ 372.003773][ T74] ipv6_add_addr+0x411/0x2000 [ 372.003773][ T74] inet6_addr_add+0x30e/0xa40 [ 372.003773][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 372.003773][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 372.003773][ T74] netlink_rcv_skb+0x130/0x360 [ 372.003773][ T74] netlink_unicast+0x449/0x710 [ 372.003773][ T74] netlink_sendmsg+0x723/0xbe0 [ 372.003773][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 372.003773][ T74] ___sys_sendmsg+0xee/0x170 [ 372.003773][ T74] __sys_sendmsg+0xcd/0x170 [ 372.003773][ T74] do_syscall_64+0xc6/0x1e0 [ 372.003773][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 372.003773][ T74] [ 372.007424][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 372.007424][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 372.007424][ T74] ipv6_find_idev+0x102/0x170 [ 372.007424][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 372.007424][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 372.007424][ T74] netlink_rcv_skb+0x130/0x360 [ 372.007424][ T74] netlink_unicast+0x449/0x710 [ 372.007424][ T74] netlink_sendmsg+0x723/0xbe0 [ 372.007424][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 372.007424][ T74] ___sys_sendmsg+0xee/0x170 [ 372.007424][ T74] __sys_sendmsg+0xcd/0x170 [ 372.007424][ T74] do_syscall_64+0xc6/0x1e0 [ 372.007424][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 372.007424][ T74] [ 372.010166][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 372.010166][ T74] neigh_parms_alloc+0x1e5/0x510 [ 372.010166][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 372.010166][ T74] ipv6_find_idev+0x102/0x170 [ 372.010166][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 372.010166][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 372.010166][ T74] netlink_rcv_skb+0x130/0x360 [ 372.010166][ T74] netlink_unicast+0x449/0x710 [ 372.010166][ T74] netlink_sendmsg+0x723/0xbe0 [ 372.010166][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 372.010166][ T74] ___sys_sendmsg+0xee/0x170 [ 372.010166][ T74] __sys_sendmsg+0xcd/0x170 [ 372.010166][ T74] do_syscall_64+0xc6/0x1e0 [ 372.010166][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 372.010166][ T74] [ 375.234230][ T2538] veth0: renamed from veth1 [ 379.373717][ T2565] br0: port 1(vx0) entered blocking state [ 379.373936][ T2565] br0: port 1(vx0) entered disabled state [ 379.374117][ T2565] vx0: entered allmulticast mode [ 379.375336][ T2565] vx0: entered promiscuous mode [ 379.377382][ T2565] br0: port 1(vx0) entered blocking state [ 379.377552][ T2565] br0: port 1(vx0) entered forwarding state [ 382.144866][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 382.145260][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 382.145260][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 382.145260][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 382.145260][ T74] fib6_nh_init+0xa22/0x1580 [ 382.145260][ T74] ip6_route_info_create+0xf18/0x17d0 [ 382.145260][ T74] ip6_route_add+0x1c/0x140 [ 382.145260][ T74] inet6_rtm_newroute+0x104/0x110 [ 382.145260][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 382.145260][ T74] netlink_rcv_skb+0x130/0x360 [ 382.145260][ T74] netlink_unicast+0x449/0x710 [ 382.145260][ T74] netlink_sendmsg+0x723/0xbe0 [ 382.145260][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 382.145260][ T74] ___sys_sendmsg+0xee/0x170 [ 382.145260][ T74] __sys_sendmsg+0xcd/0x170 [ 382.145260][ T74] do_syscall_64+0xc6/0x1e0 [ 382.145260][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 382.145260][ T74] [ 382.147498][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 382.147498][ T74] netdev_get_by_index+0x5e/0x80 [ 382.147498][ T74] fib6_nh_init+0x3d8/0x1580 [ 382.147498][ T74] ip6_route_info_create+0xf18/0x17d0 [ 382.147498][ T74] addrconf_f6i_alloc+0x265/0x560 [ 382.147498][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 382.147498][ T74] addrconf_join_anycast+0x1c0/0x220 [ 382.147498][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 382.147498][ T74] addrconf_dad_completed+0x12b/0xe20 [ 382.147498][ T74] addrconf_dad_begin+0x310/0x670 [ 382.147498][ T74] addrconf_dad_work+0x10b/0xab0 [ 382.147498][ T74] process_one_work+0x84d/0x18a0 [ 382.147498][ T74] worker_thread+0x587/0xd30 [ 382.147498][ T74] kthread+0x28a/0x350 [ 382.147498][ T74] ret_from_fork+0x31/0x70 [ 382.147498][ T74] ret_from_fork_asm+0x1a/0x30 [ 382.147498][ T74] [ 382.149659][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 382.149659][ T74] netdev_get_by_index+0x5e/0x80 [ 382.149659][ T74] fib6_nh_init+0x3d8/0x1580 [ 382.149659][ T74] ip6_route_info_create+0xf18/0x17d0 [ 382.149659][ T74] ip6_route_add+0x1c/0x140 [ 382.149659][ T74] addrconf_prefix_route+0x2a6/0x430 [ 382.149659][ T74] inet6_addr_add+0x4f8/0xa40 [ 382.149659][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 382.149659][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 382.149659][ T74] netlink_rcv_skb+0x130/0x360 [ 382.149659][ T74] netlink_unicast+0x449/0x710 [ 382.149659][ T74] netlink_sendmsg+0x723/0xbe0 [ 382.149659][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 382.149659][ T74] ___sys_sendmsg+0xee/0x170 [ 382.149659][ T74] __sys_sendmsg+0xcd/0x170 [ 382.149659][ T74] do_syscall_64+0xc6/0x1e0 [ 382.149659][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 382.149659][ T74] [ 382.151910][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 382.151910][ T74] netdev_get_by_index+0x5e/0x80 [ 382.151910][ T74] fib6_nh_init+0x3d8/0x1580 [ 382.151910][ T74] ip6_route_info_create+0xf18/0x17d0 [ 382.151910][ T74] addrconf_f6i_alloc+0x315/0x560 [ 382.151910][ T74] ipv6_add_addr+0x411/0x2000 [ 382.151910][ T74] inet6_addr_add+0x30e/0xa40 [ 382.151910][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 382.151910][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 382.151910][ T74] netlink_rcv_skb+0x130/0x360 [ 382.151910][ T74] netlink_unicast+0x449/0x710 [ 382.151910][ T74] netlink_sendmsg+0x723/0xbe0 [ 382.151910][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 382.151910][ T74] ___sys_sendmsg+0xee/0x170 [ 382.151910][ T74] __sys_sendmsg+0xcd/0x170 [ 382.151910][ T74] do_syscall_64+0xc6/0x1e0 [ 382.151910][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 382.151910][ T74] [ 382.154151][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 382.154151][ T74] netdev_get_by_index+0x5e/0x80 [ 382.154151][ T74] fib6_nh_init+0x3d8/0x1580 [ 382.154151][ T74] ip6_route_info_create+0xf18/0x17d0 [ 382.154151][ T74] ip6_route_add+0x1c/0x140 [ 382.154151][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 382.154151][ T74] addrconf_add_dev+0xe2/0x170 [ 382.154151][ T74] inet6_addr_add+0x12f/0xa40 [ 382.154151][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 382.154151][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 382.154151][ T74] netlink_rcv_skb+0x130/0x360 [ 382.154151][ T74] netlink_unicast+0x449/0x710 [ 382.154151][ T74] netlink_sendmsg+0x723/0xbe0 [ 382.154151][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 382.154151][ T74] ___sys_sendmsg+0xee/0x170 [ 382.154151][ T74] __sys_sendmsg+0xcd/0x170 [ 382.154151][ T74] do_syscall_64+0xc6/0x1e0 [ 382.154151][ T74] [ 382.156331][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 382.156331][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 382.156331][ T74] ipv6_find_idev+0x102/0x170 [ 382.156331][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 382.156331][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 382.156331][ T74] netlink_rcv_skb+0x130/0x360 [ 382.156331][ T74] netlink_unicast+0x449/0x710 [ 382.156331][ T74] netlink_sendmsg+0x723/0xbe0 [ 382.156331][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 382.156331][ T74] ___sys_sendmsg+0xee/0x170 [ 382.156331][ T74] __sys_sendmsg+0xcd/0x170 [ 382.156331][ T74] do_syscall_64+0xc6/0x1e0 [ 382.156331][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 382.156331][ T74] [ 382.158065][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 382.158065][ T74] neigh_parms_alloc+0x1e5/0x510 [ 382.158065][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 382.158065][ T74] ipv6_find_idev+0x102/0x170 [ 382.158065][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 382.158065][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 382.158065][ T74] netlink_rcv_skb+0x130/0x360 [ 382.158065][ T74] netlink_unicast+0x449/0x710 [ 382.158065][ T74] netlink_sendmsg+0x723/0xbe0 [ 382.158065][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 382.158065][ T74] ___sys_sendmsg+0xee/0x170 [ 382.158065][ T74] __sys_sendmsg+0xcd/0x170 [ 382.158065][ T74] do_syscall_64+0xc6/0x1e0 [ 382.158065][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 382.158065][ T74] [ 382.159992][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 382.160323][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 382.160323][ T74] dst_init+0x84/0x4a0 [ 382.160323][ T74] dst_alloc+0x97/0x150 [ 382.160323][ T74] ip6_dst_alloc+0x23/0x90 [ 382.160323][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 382.160323][ T74] ip6_pol_route+0x56f/0x840 [ 382.160323][ T74] fib6_rule_lookup+0x456/0x630 [ 382.160323][ T74] ip6_route_input+0x59c/0xa50 [ 382.160323][ T74] ipv6_rcv+0x397/0x810 [ 382.160323][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 382.160323][ T74] process_backlog+0x101/0x620 [ 382.160323][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 382.160323][ T74] net_rx_action+0x495/0xbe0 [ 382.160323][ T74] __do_softirq+0x1b5/0x7f6 [ 382.160323][ T74] [ 382.162233][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 382.162233][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 382.162233][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 382.162233][ T74] fib6_nh_init+0xa22/0x1580 [ 382.162233][ T74] ip6_route_info_create+0xf18/0x17d0 [ 382.162233][ T74] ip6_route_add+0x1c/0x140 [ 382.162233][ T74] inet6_rtm_newroute+0x104/0x110 [ 382.162233][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 382.162233][ T74] netlink_rcv_skb+0x130/0x360 [ 382.162233][ T74] netlink_unicast+0x449/0x710 [ 382.162233][ T74] netlink_sendmsg+0x723/0xbe0 [ 382.162233][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 382.162233][ T74] ___sys_sendmsg+0xee/0x170 [ 382.162233][ T74] __sys_sendmsg+0xcd/0x170 [ 382.162233][ T74] do_syscall_64+0xc6/0x1e0 [ 382.162233][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 382.162233][ T74] [ 382.164334][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 382.164334][ T74] netdev_get_by_index+0x5e/0x80 [ 382.164334][ T74] fib6_nh_init+0x3d8/0x1580 [ 382.164334][ T74] ip6_route_info_create+0xf18/0x17d0 [ 382.164334][ T74] addrconf_f6i_alloc+0x265/0x560 [ 382.164334][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 382.164334][ T74] addrconf_join_anycast+0x1c0/0x220 [ 382.164334][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 382.164334][ T74] addrconf_dad_completed+0x12b/0xe20 [ 382.164334][ T74] addrconf_dad_begin+0x310/0x670 [ 382.164334][ T74] addrconf_dad_work+0x10b/0xab0 [ 382.164334][ T74] process_one_work+0x84d/0x18a0 [ 382.164334][ T74] worker_thread+0x587/0xd30 [ 382.164334][ T74] kthread+0x28a/0x350 [ 382.164334][ T74] ret_from_fork+0x31/0x70 [ 382.164334][ T74] ret_from_fork_asm+0x1a/0x30 [ 382.164334][ T74] [ 382.166485][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 382.166485][ T74] netdev_get_by_index+0x5e/0x80 [ 382.166485][ T74] fib6_nh_init+0x3d8/0x1580 [ 382.166485][ T74] ip6_route_info_create+0xf18/0x17d0 [ 382.166485][ T74] ip6_route_add+0x1c/0x140 [ 382.166485][ T74] addrconf_prefix_route+0x2a6/0x430 [ 382.166485][ T74] inet6_addr_add+0x4f8/0xa40 [ 382.166485][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 382.166485][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 382.166485][ T74] netlink_rcv_skb+0x130/0x360 [ 382.166485][ T74] netlink_unicast+0x449/0x710 [ 382.166485][ T74] netlink_sendmsg+0x723/0xbe0 [ 382.166485][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 382.166485][ T74] ___sys_sendmsg+0xee/0x170 [ 382.166485][ T74] __sys_sendmsg+0xcd/0x170 [ 382.166485][ T74] do_syscall_64+0xc6/0x1e0 [ 382.166485][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 382.166485][ T74] [ 382.168725][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 382.168725][ T74] netdev_get_by_index+0x5e/0x80 [ 382.168725][ T74] fib6_nh_init+0x3d8/0x1580 [ 382.168725][ T74] ip6_route_info_create+0xf18/0x17d0 [ 382.168725][ T74] addrconf_f6i_alloc+0x315/0x560 [ 382.168725][ T74] ipv6_add_addr+0x411/0x2000 [ 382.168725][ T74] inet6_addr_add+0x30e/0xa40 [ 382.168725][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 382.168725][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 382.168725][ T74] netlink_rcv_skb+0x130/0x360 [ 382.168725][ T74] netlink_unicast+0x449/0x710 [ 382.168725][ T74] netlink_sendmsg+0x723/0xbe0 [ 382.168725][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 382.168725][ T74] ___sys_sendmsg+0xee/0x170 [ 382.168725][ T74] __sys_sendmsg+0xcd/0x170 [ 382.168725][ T74] do_syscall_64+0xc6/0x1e0 [ 382.168725][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 382.168725][ T74] [ 382.170944][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 382.170944][ T74] netdev_get_by_index+0x5e/0x80 [ 382.170944][ T74] fib6_nh_init+0x3d8/0x1580 [ 382.170944][ T74] ip6_route_info_create+0xf18/0x17d0 [ 382.170944][ T74] ip6_route_add+0x1c/0x140 [ 382.170944][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 382.170944][ T74] addrconf_add_dev+0xe2/0x170 [ 382.170944][ T74] inet6_addr_add+0x12f/0xa40 [ 382.170944][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 382.170944][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 382.170944][ T74] netlink_rcv_skb+0x130/0x360 [ 382.170944][ T74] netlink_unicast+0x449/0x710 [ 382.170944][ T74] netlink_sendmsg+0x723/0xbe0 [ 382.170944][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 382.170944][ T74] ___sys_sendmsg+0xee/0x170 [ 382.170944][ T74] __sys_sendmsg+0xcd/0x170 [ 382.170944][ T74] do_syscall_64+0xc6/0x1e0 [ 382.170944][ T74] [ 382.173444][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 382.173444][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 382.173444][ T74] ipv6_find_idev+0x102/0x170 [ 382.173444][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 382.173444][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 382.173444][ T74] netlink_rcv_skb+0x130/0x360 [ 382.173444][ T74] netlink_unicast+0x449/0x710 [ 382.173444][ T74] netlink_sendmsg+0x723/0xbe0 [ 382.173444][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 382.173444][ T74] ___sys_sendmsg+0xee/0x170 [ 382.173444][ T74] __sys_sendmsg+0xcd/0x170 [ 382.173444][ T74] do_syscall_64+0xc6/0x1e0 [ 382.173444][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 382.173444][ T74] [ 382.175262][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 382.175262][ T74] neigh_parms_alloc+0x1e5/0x510 [ 382.175262][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 382.175262][ T74] ipv6_find_idev+0x102/0x170 [ 382.175262][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 382.175262][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 382.175262][ T74] netlink_rcv_skb+0x130/0x360 [ 382.175262][ T74] netlink_unicast+0x449/0x710 [ 382.175262][ T74] netlink_sendmsg+0x723/0xbe0 [ 382.175262][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 382.175262][ T74] ___sys_sendmsg+0xee/0x170 [ 382.175262][ T74] __sys_sendmsg+0xcd/0x170 [ 382.175262][ T74] do_syscall_64+0xc6/0x1e0 [ 382.175262][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 382.175262][ T74] [ 382.177308][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 382.177586][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 382.177586][ T74] netdev_get_by_index+0x5e/0x80 [ 382.177586][ T74] fib6_nh_init+0x3d8/0x1580 [ 382.177586][ T74] ip6_route_info_create+0xf18/0x17d0 [ 382.177586][ T74] ip6_route_add+0x1c/0x140 [ 382.177586][ T74] addrconf_prefix_route+0x2a6/0x430 [ 382.177586][ T74] inet6_addr_add+0x4f8/0xa40 [ 382.177586][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 382.177586][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 382.177586][ T74] netlink_rcv_skb+0x130/0x360 [ 382.177586][ T74] netlink_unicast+0x449/0x710 [ 382.177586][ T74] netlink_sendmsg+0x723/0xbe0 [ 382.177586][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 382.177586][ T74] ___sys_sendmsg+0xee/0x170 [ 382.177586][ T74] __sys_sendmsg+0xcd/0x170 [ 382.177586][ T74] do_syscall_64+0xc6/0x1e0 [ 382.177586][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 382.177586][ T74] [ 382.180021][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 382.180021][ T74] netdev_get_by_index+0x5e/0x80 [ 382.180021][ T74] fib6_nh_init+0x3d8/0x1580 [ 382.180021][ T74] ip6_route_info_create+0xf18/0x17d0 [ 382.180021][ T74] addrconf_f6i_alloc+0x315/0x560 [ 382.180021][ T74] ipv6_add_addr+0x411/0x2000 [ 382.180021][ T74] inet6_addr_add+0x30e/0xa40 [ 382.180021][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 382.180021][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 382.180021][ T74] netlink_rcv_skb+0x130/0x360 [ 382.180021][ T74] netlink_unicast+0x449/0x710 [ 382.180021][ T74] netlink_sendmsg+0x723/0xbe0 [ 382.180021][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 382.180021][ T74] ___sys_sendmsg+0xee/0x170 [ 382.180021][ T74] __sys_sendmsg+0xcd/0x170 [ 382.180021][ T74] do_syscall_64+0xc6/0x1e0 [ 382.180021][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 382.180021][ T74] [ 382.182298][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 382.182298][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 382.182298][ T74] ipv6_find_idev+0x102/0x170 [ 382.182298][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 382.182298][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 382.182298][ T74] netlink_rcv_skb+0x130/0x360 [ 382.182298][ T74] netlink_unicast+0x449/0x710 [ 382.182298][ T74] netlink_sendmsg+0x723/0xbe0 [ 382.182298][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 382.182298][ T74] ___sys_sendmsg+0xee/0x170 [ 382.182298][ T74] __sys_sendmsg+0xcd/0x170 [ 382.182298][ T74] do_syscall_64+0xc6/0x1e0 [ 382.182298][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 382.182298][ T74] [ 382.184154][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 382.184154][ T74] neigh_parms_alloc+0x1e5/0x510 [ 382.184154][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 382.184154][ T74] ipv6_find_idev+0x102/0x170 [ 382.184154][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 382.184154][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 382.184154][ T74] netlink_rcv_skb+0x130/0x360 [ 382.184154][ T74] netlink_unicast+0x449/0x710 [ 382.184154][ T74] netlink_sendmsg+0x723/0xbe0 [ 382.184154][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 382.184154][ T74] ___sys_sendmsg+0xee/0x170 [ 382.184154][ T74] __sys_sendmsg+0xcd/0x170 [ 382.184154][ T74] do_syscall_64+0xc6/0x1e0 [ 382.184154][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 382.184154][ T74] [ 384.990376][ T2595] br0: port 1(vx0) entered blocking state [ 384.990587][ T2595] br0: port 1(vx0) entered disabled state [ 384.990762][ T2595] vx0: entered allmulticast mode [ 384.991978][ T2595] vx0: entered promiscuous mode [ 384.993869][ T2595] br0: port 1(vx0) entered blocking state [ 384.994050][ T2595] br0: port 1(vx0) entered forwarding state [ 392.360888][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 392.361219][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 392.361219][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 392.361219][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 392.361219][ T74] fib6_nh_init+0xa22/0x1580 [ 392.361219][ T74] ip6_route_info_create+0xf18/0x17d0 [ 392.361219][ T74] ip6_route_add+0x1c/0x140 [ 392.361219][ T74] inet6_rtm_newroute+0x104/0x110 [ 392.361219][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 392.361219][ T74] netlink_rcv_skb+0x130/0x360 [ 392.361219][ T74] netlink_unicast+0x449/0x710 [ 392.361219][ T74] netlink_sendmsg+0x723/0xbe0 [ 392.361219][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 392.361219][ T74] ___sys_sendmsg+0xee/0x170 [ 392.361219][ T74] __sys_sendmsg+0xcd/0x170 [ 392.361219][ T74] do_syscall_64+0xc6/0x1e0 [ 392.361219][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 392.361219][ T74] [ 392.363309][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 392.363309][ T74] netdev_get_by_index+0x5e/0x80 [ 392.363309][ T74] fib6_nh_init+0x3d8/0x1580 [ 392.363309][ T74] ip6_route_info_create+0xf18/0x17d0 [ 392.363309][ T74] addrconf_f6i_alloc+0x265/0x560 [ 392.363309][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 392.363309][ T74] addrconf_join_anycast+0x1c0/0x220 [ 392.363309][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 392.363309][ T74] addrconf_dad_completed+0x12b/0xe20 [ 392.363309][ T74] addrconf_dad_begin+0x310/0x670 [ 392.363309][ T74] addrconf_dad_work+0x10b/0xab0 [ 392.363309][ T74] process_one_work+0x84d/0x18a0 [ 392.363309][ T74] worker_thread+0x587/0xd30 [ 392.363309][ T74] kthread+0x28a/0x350 [ 392.363309][ T74] ret_from_fork+0x31/0x70 [ 392.363309][ T74] ret_from_fork_asm+0x1a/0x30 [ 392.363309][ T74] [ 392.365384][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 392.365384][ T74] netdev_get_by_index+0x5e/0x80 [ 392.365384][ T74] fib6_nh_init+0x3d8/0x1580 [ 392.365384][ T74] ip6_route_info_create+0xf18/0x17d0 [ 392.365384][ T74] ip6_route_add+0x1c/0x140 [ 392.365384][ T74] addrconf_prefix_route+0x2a6/0x430 [ 392.365384][ T74] inet6_addr_add+0x4f8/0xa40 [ 392.365384][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 392.365384][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 392.365384][ T74] netlink_rcv_skb+0x130/0x360 [ 392.365384][ T74] netlink_unicast+0x449/0x710 [ 392.365384][ T74] netlink_sendmsg+0x723/0xbe0 [ 392.365384][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 392.365384][ T74] ___sys_sendmsg+0xee/0x170 [ 392.365384][ T74] __sys_sendmsg+0xcd/0x170 [ 392.365384][ T74] do_syscall_64+0xc6/0x1e0 [ 392.365384][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 392.365384][ T74] [ 392.367528][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 392.367528][ T74] netdev_get_by_index+0x5e/0x80 [ 392.367528][ T74] fib6_nh_init+0x3d8/0x1580 [ 392.367528][ T74] ip6_route_info_create+0xf18/0x17d0 [ 392.367528][ T74] addrconf_f6i_alloc+0x315/0x560 [ 392.367528][ T74] ipv6_add_addr+0x411/0x2000 [ 392.367528][ T74] inet6_addr_add+0x30e/0xa40 [ 392.367528][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 392.367528][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 392.367528][ T74] netlink_rcv_skb+0x130/0x360 [ 392.367528][ T74] netlink_unicast+0x449/0x710 [ 392.367528][ T74] netlink_sendmsg+0x723/0xbe0 [ 392.367528][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 392.367528][ T74] ___sys_sendmsg+0xee/0x170 [ 392.367528][ T74] __sys_sendmsg+0xcd/0x170 [ 392.367528][ T74] do_syscall_64+0xc6/0x1e0 [ 392.367528][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 392.367528][ T74] [ 392.369684][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 392.369684][ T74] netdev_get_by_index+0x5e/0x80 [ 392.369684][ T74] fib6_nh_init+0x3d8/0x1580 [ 392.369684][ T74] ip6_route_info_create+0xf18/0x17d0 [ 392.369684][ T74] ip6_route_add+0x1c/0x140 [ 392.369684][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 392.369684][ T74] addrconf_add_dev+0xe2/0x170 [ 392.369684][ T74] inet6_addr_add+0x12f/0xa40 [ 392.369684][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 392.369684][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 392.369684][ T74] netlink_rcv_skb+0x130/0x360 [ 392.369684][ T74] netlink_unicast+0x449/0x710 [ 392.369684][ T74] netlink_sendmsg+0x723/0xbe0 [ 392.369684][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 392.369684][ T74] ___sys_sendmsg+0xee/0x170 [ 392.369684][ T74] __sys_sendmsg+0xcd/0x170 [ 392.369684][ T74] do_syscall_64+0xc6/0x1e0 [ 392.369684][ T74] [ 392.371743][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 392.371743][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 392.371743][ T74] ipv6_find_idev+0x102/0x170 [ 392.371743][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 392.371743][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 392.371743][ T74] netlink_rcv_skb+0x130/0x360 [ 392.371743][ T74] netlink_unicast+0x449/0x710 [ 392.371743][ T74] netlink_sendmsg+0x723/0xbe0 [ 392.371743][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 392.371743][ T74] ___sys_sendmsg+0xee/0x170 [ 392.371743][ T74] __sys_sendmsg+0xcd/0x170 [ 392.371743][ T74] do_syscall_64+0xc6/0x1e0 [ 392.371743][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 392.371743][ T74] [ 392.373401][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 392.373401][ T74] neigh_parms_alloc+0x1e5/0x510 [ 392.373401][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 392.373401][ T74] ipv6_find_idev+0x102/0x170 [ 392.373401][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 392.373401][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 392.373401][ T74] netlink_rcv_skb+0x130/0x360 [ 392.373401][ T74] netlink_unicast+0x449/0x710 [ 392.373401][ T74] netlink_sendmsg+0x723/0xbe0 [ 392.373401][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 392.373401][ T74] ___sys_sendmsg+0xee/0x170 [ 392.373401][ T74] __sys_sendmsg+0xcd/0x170 [ 392.373401][ T74] do_syscall_64+0xc6/0x1e0 [ 392.373401][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 392.373401][ T74] [ 392.375377][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 392.375736][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 392.375736][ T74] dst_init+0x84/0x4a0 [ 392.375736][ T74] dst_alloc+0x97/0x150 [ 392.375736][ T74] ip6_dst_alloc+0x23/0x90 [ 392.375736][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 392.375736][ T74] ip6_pol_route+0x56f/0x840 [ 392.375736][ T74] fib6_rule_lookup+0x456/0x630 [ 392.375736][ T74] ip6_route_input+0x59c/0xa50 [ 392.375736][ T74] ipv6_rcv+0x397/0x810 [ 392.375736][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 392.375736][ T74] process_backlog+0x101/0x620 [ 392.375736][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 392.375736][ T74] net_rx_action+0x495/0xbe0 [ 392.375736][ T74] __do_softirq+0x1b5/0x7f6 [ 392.375736][ T74] [ 392.377565][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 392.377565][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 392.377565][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 392.377565][ T74] fib6_nh_init+0xa22/0x1580 [ 392.377565][ T74] ip6_route_info_create+0xf18/0x17d0 [ 392.377565][ T74] ip6_route_add+0x1c/0x140 [ 392.377565][ T74] inet6_rtm_newroute+0x104/0x110 [ 392.377565][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 392.377565][ T74] netlink_rcv_skb+0x130/0x360 [ 392.377565][ T74] netlink_unicast+0x449/0x710 [ 392.377565][ T74] netlink_sendmsg+0x723/0xbe0 [ 392.377565][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 392.377565][ T74] ___sys_sendmsg+0xee/0x170 [ 392.377565][ T74] __sys_sendmsg+0xcd/0x170 [ 392.377565][ T74] do_syscall_64+0xc6/0x1e0 [ 392.377565][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 392.377565][ T74] [ 392.379834][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 392.379834][ T74] netdev_get_by_index+0x5e/0x80 [ 392.379834][ T74] fib6_nh_init+0x3d8/0x1580 [ 392.379834][ T74] ip6_route_info_create+0xf18/0x17d0 [ 392.379834][ T74] addrconf_f6i_alloc+0x265/0x560 [ 392.379834][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 392.379834][ T74] addrconf_join_anycast+0x1c0/0x220 [ 392.379834][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 392.379834][ T74] addrconf_dad_completed+0x12b/0xe20 [ 392.379834][ T74] addrconf_dad_begin+0x310/0x670 [ 392.379834][ T74] addrconf_dad_work+0x10b/0xab0 [ 392.379834][ T74] process_one_work+0x84d/0x18a0 [ 392.379834][ T74] worker_thread+0x587/0xd30 [ 392.379834][ T74] kthread+0x28a/0x350 [ 392.379834][ T74] ret_from_fork+0x31/0x70 [ 392.379834][ T74] ret_from_fork_asm+0x1a/0x30 [ 392.379834][ T74] [ 392.381917][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 392.381917][ T74] netdev_get_by_index+0x5e/0x80 [ 392.381917][ T74] fib6_nh_init+0x3d8/0x1580 [ 392.381917][ T74] ip6_route_info_create+0xf18/0x17d0 [ 392.381917][ T74] ip6_route_add+0x1c/0x140 [ 392.381917][ T74] addrconf_prefix_route+0x2a6/0x430 [ 392.381917][ T74] inet6_addr_add+0x4f8/0xa40 [ 392.381917][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 392.381917][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 392.381917][ T74] netlink_rcv_skb+0x130/0x360 [ 392.381917][ T74] netlink_unicast+0x449/0x710 [ 392.381917][ T74] netlink_sendmsg+0x723/0xbe0 [ 392.381917][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 392.381917][ T74] ___sys_sendmsg+0xee/0x170 [ 392.381917][ T74] __sys_sendmsg+0xcd/0x170 [ 392.381917][ T74] do_syscall_64+0xc6/0x1e0 [ 392.381917][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 392.381917][ T74] [ 392.384140][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 392.384140][ T74] netdev_get_by_index+0x5e/0x80 [ 392.384140][ T74] fib6_nh_init+0x3d8/0x1580 [ 392.384140][ T74] ip6_route_info_create+0xf18/0x17d0 [ 392.384140][ T74] addrconf_f6i_alloc+0x315/0x560 [ 392.384140][ T74] ipv6_add_addr+0x411/0x2000 [ 392.384140][ T74] inet6_addr_add+0x30e/0xa40 [ 392.384140][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 392.384140][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 392.384140][ T74] netlink_rcv_skb+0x130/0x360 [ 392.384140][ T74] netlink_unicast+0x449/0x710 [ 392.384140][ T74] netlink_sendmsg+0x723/0xbe0 [ 392.384140][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 392.384140][ T74] ___sys_sendmsg+0xee/0x170 [ 392.384140][ T74] __sys_sendmsg+0xcd/0x170 [ 392.384140][ T74] do_syscall_64+0xc6/0x1e0 [ 392.384140][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 392.384140][ T74] [ 392.386440][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 392.386440][ T74] netdev_get_by_index+0x5e/0x80 [ 392.386440][ T74] fib6_nh_init+0x3d8/0x1580 [ 392.386440][ T74] ip6_route_info_create+0xf18/0x17d0 [ 392.386440][ T74] ip6_route_add+0x1c/0x140 [ 392.386440][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 392.386440][ T74] addrconf_add_dev+0xe2/0x170 [ 392.386440][ T74] inet6_addr_add+0x12f/0xa40 [ 392.386440][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 392.386440][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 392.386440][ T74] netlink_rcv_skb+0x130/0x360 [ 392.386440][ T74] netlink_unicast+0x449/0x710 [ 392.386440][ T74] netlink_sendmsg+0x723/0xbe0 [ 392.386440][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 392.386440][ T74] ___sys_sendmsg+0xee/0x170 [ 392.386440][ T74] __sys_sendmsg+0xcd/0x170 [ 392.386440][ T74] do_syscall_64+0xc6/0x1e0 [ 392.386440][ T74] [ 392.388785][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 392.388785][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 392.388785][ T74] ipv6_find_idev+0x102/0x170 [ 392.388785][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 392.388785][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 392.388785][ T74] netlink_rcv_skb+0x130/0x360 [ 392.388785][ T74] netlink_unicast+0x449/0x710 [ 392.388785][ T74] netlink_sendmsg+0x723/0xbe0 [ 392.388785][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 392.388785][ T74] ___sys_sendmsg+0xee/0x170 [ 392.388785][ T74] __sys_sendmsg+0xcd/0x170 [ 392.388785][ T74] do_syscall_64+0xc6/0x1e0 [ 392.388785][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 392.388785][ T74] [ 392.390622][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 392.390622][ T74] neigh_parms_alloc+0x1e5/0x510 [ 392.390622][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 392.390622][ T74] ipv6_find_idev+0x102/0x170 [ 392.390622][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 392.390622][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 392.390622][ T74] netlink_rcv_skb+0x130/0x360 [ 392.390622][ T74] netlink_unicast+0x449/0x710 [ 392.390622][ T74] netlink_sendmsg+0x723/0xbe0 [ 392.390622][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 392.390622][ T74] ___sys_sendmsg+0xee/0x170 [ 392.390622][ T74] __sys_sendmsg+0xcd/0x170 [ 392.390622][ T74] do_syscall_64+0xc6/0x1e0 [ 392.390622][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 392.390622][ T74] [ 392.392527][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 392.392783][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 392.392783][ T74] netdev_get_by_index+0x5e/0x80 [ 392.392783][ T74] fib6_nh_init+0x3d8/0x1580 [ 392.392783][ T74] ip6_route_info_create+0xf18/0x17d0 [ 392.392783][ T74] ip6_route_add+0x1c/0x140 [ 392.392783][ T74] addrconf_prefix_route+0x2a6/0x430 [ 392.392783][ T74] inet6_addr_add+0x4f8/0xa40 [ 392.392783][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 392.392783][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 392.392783][ T74] netlink_rcv_skb+0x130/0x360 [ 392.392783][ T74] netlink_unicast+0x449/0x710 [ 392.392783][ T74] netlink_sendmsg+0x723/0xbe0 [ 392.392783][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 392.392783][ T74] ___sys_sendmsg+0xee/0x170 [ 392.392783][ T74] __sys_sendmsg+0xcd/0x170 [ 392.392783][ T74] do_syscall_64+0xc6/0x1e0 [ 392.392783][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 392.392783][ T74] [ 392.394875][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 392.394875][ T74] netdev_get_by_index+0x5e/0x80 [ 392.394875][ T74] fib6_nh_init+0x3d8/0x1580 [ 392.394875][ T74] ip6_route_info_create+0xf18/0x17d0 [ 392.394875][ T74] addrconf_f6i_alloc+0x315/0x560 [ 392.394875][ T74] ipv6_add_addr+0x411/0x2000 [ 392.394875][ T74] inet6_addr_add+0x30e/0xa40 [ 392.394875][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 392.394875][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 392.394875][ T74] netlink_rcv_skb+0x130/0x360 [ 392.394875][ T74] netlink_unicast+0x449/0x710 [ 392.394875][ T74] netlink_sendmsg+0x723/0xbe0 [ 392.394875][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 392.394875][ T74] ___sys_sendmsg+0xee/0x170 [ 392.394875][ T74] __sys_sendmsg+0xcd/0x170 [ 392.394875][ T74] do_syscall_64+0xc6/0x1e0 [ 392.394875][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 392.394875][ T74] [ 392.397028][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 392.397028][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 392.397028][ T74] ipv6_find_idev+0x102/0x170 [ 392.397028][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 392.397028][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 392.397028][ T74] netlink_rcv_skb+0x130/0x360 [ 392.397028][ T74] netlink_unicast+0x449/0x710 [ 392.397028][ T74] netlink_sendmsg+0x723/0xbe0 [ 392.397028][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 392.397028][ T74] ___sys_sendmsg+0xee/0x170 [ 392.397028][ T74] __sys_sendmsg+0xcd/0x170 [ 392.397028][ T74] do_syscall_64+0xc6/0x1e0 [ 392.397028][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 392.397028][ T74] [ 392.398880][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 392.398880][ T74] neigh_parms_alloc+0x1e5/0x510 [ 392.398880][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 392.398880][ T74] ipv6_find_idev+0x102/0x170 [ 392.398880][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 392.398880][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 392.398880][ T74] netlink_rcv_skb+0x130/0x360 [ 392.398880][ T74] netlink_unicast+0x449/0x710 [ 392.398880][ T74] netlink_sendmsg+0x723/0xbe0 [ 392.398880][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 392.398880][ T74] ___sys_sendmsg+0xee/0x170 [ 392.398880][ T74] __sys_sendmsg+0xcd/0x170 [ 392.398880][ T74] do_syscall_64+0xc6/0x1e0 [ 392.398880][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 392.398880][ T74] [ 402.535883][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 402.536316][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 402.536316][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 402.536316][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 402.536316][ T74] fib6_nh_init+0xa22/0x1580 [ 402.536316][ T74] ip6_route_info_create+0xf18/0x17d0 [ 402.536316][ T74] ip6_route_add+0x1c/0x140 [ 402.536316][ T74] inet6_rtm_newroute+0x104/0x110 [ 402.536316][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 402.536316][ T74] netlink_rcv_skb+0x130/0x360 [ 402.536316][ T74] netlink_unicast+0x449/0x710 [ 402.536316][ T74] netlink_sendmsg+0x723/0xbe0 [ 402.536316][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 402.536316][ T74] ___sys_sendmsg+0xee/0x170 [ 402.536316][ T74] __sys_sendmsg+0xcd/0x170 [ 402.536316][ T74] do_syscall_64+0xc6/0x1e0 [ 402.536316][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 402.536316][ T74] [ 402.539246][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 402.539246][ T74] netdev_get_by_index+0x5e/0x80 [ 402.539246][ T74] fib6_nh_init+0x3d8/0x1580 [ 402.539246][ T74] ip6_route_info_create+0xf18/0x17d0 [ 402.539246][ T74] addrconf_f6i_alloc+0x265/0x560 [ 402.539246][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 402.539246][ T74] addrconf_join_anycast+0x1c0/0x220 [ 402.539246][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 402.539246][ T74] addrconf_dad_completed+0x12b/0xe20 [ 402.539246][ T74] addrconf_dad_begin+0x310/0x670 [ 402.539246][ T74] addrconf_dad_work+0x10b/0xab0 [ 402.539246][ T74] process_one_work+0x84d/0x18a0 [ 402.539246][ T74] worker_thread+0x587/0xd30 [ 402.539246][ T74] kthread+0x28a/0x350 [ 402.539246][ T74] ret_from_fork+0x31/0x70 [ 402.539246][ T74] ret_from_fork_asm+0x1a/0x30 [ 402.539246][ T74] [ 402.542155][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 402.542155][ T74] netdev_get_by_index+0x5e/0x80 [ 402.542155][ T74] fib6_nh_init+0x3d8/0x1580 [ 402.542155][ T74] ip6_route_info_create+0xf18/0x17d0 [ 402.542155][ T74] ip6_route_add+0x1c/0x140 [ 402.542155][ T74] addrconf_prefix_route+0x2a6/0x430 [ 402.542155][ T74] inet6_addr_add+0x4f8/0xa40 [ 402.542155][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 402.542155][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 402.542155][ T74] netlink_rcv_skb+0x130/0x360 [ 402.542155][ T74] netlink_unicast+0x449/0x710 [ 402.542155][ T74] netlink_sendmsg+0x723/0xbe0 [ 402.542155][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 402.542155][ T74] ___sys_sendmsg+0xee/0x170 [ 402.542155][ T74] __sys_sendmsg+0xcd/0x170 [ 402.542155][ T74] do_syscall_64+0xc6/0x1e0 [ 402.542155][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 402.542155][ T74] [ 402.545227][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 402.545227][ T74] netdev_get_by_index+0x5e/0x80 [ 402.545227][ T74] fib6_nh_init+0x3d8/0x1580 [ 402.545227][ T74] ip6_route_info_create+0xf18/0x17d0 [ 402.545227][ T74] addrconf_f6i_alloc+0x315/0x560 [ 402.545227][ T74] ipv6_add_addr+0x411/0x2000 [ 402.545227][ T74] inet6_addr_add+0x30e/0xa40 [ 402.545227][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 402.545227][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 402.545227][ T74] netlink_rcv_skb+0x130/0x360 [ 402.545227][ T74] netlink_unicast+0x449/0x710 [ 402.545227][ T74] netlink_sendmsg+0x723/0xbe0 [ 402.545227][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 402.545227][ T74] ___sys_sendmsg+0xee/0x170 [ 402.545227][ T74] __sys_sendmsg+0xcd/0x170 [ 402.545227][ T74] do_syscall_64+0xc6/0x1e0 [ 402.545227][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 402.545227][ T74] [ 402.547804][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 402.547804][ T74] netdev_get_by_index+0x5e/0x80 [ 402.547804][ T74] fib6_nh_init+0x3d8/0x1580 [ 402.547804][ T74] ip6_route_info_create+0xf18/0x17d0 [ 402.547804][ T74] ip6_route_add+0x1c/0x140 [ 402.547804][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 402.547804][ T74] addrconf_add_dev+0xe2/0x170 [ 402.547804][ T74] inet6_addr_add+0x12f/0xa40 [ 402.547804][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 402.547804][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 402.547804][ T74] netlink_rcv_skb+0x130/0x360 [ 402.547804][ T74] netlink_unicast+0x449/0x710 [ 402.547804][ T74] netlink_sendmsg+0x723/0xbe0 [ 402.547804][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 402.547804][ T74] ___sys_sendmsg+0xee/0x170 [ 402.547804][ T74] __sys_sendmsg+0xcd/0x170 [ 402.547804][ T74] do_syscall_64+0xc6/0x1e0 [ 402.547804][ T74] [ 402.549834][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 402.549834][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 402.549834][ T74] ipv6_find_idev+0x102/0x170 [ 402.549834][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 402.549834][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 402.549834][ T74] netlink_rcv_skb+0x130/0x360 [ 402.549834][ T74] netlink_unicast+0x449/0x710 [ 402.549834][ T74] netlink_sendmsg+0x723/0xbe0 [ 402.549834][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 402.549834][ T74] ___sys_sendmsg+0xee/0x170 [ 402.549834][ T74] __sys_sendmsg+0xcd/0x170 [ 402.549834][ T74] do_syscall_64+0xc6/0x1e0 [ 402.549834][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 402.549834][ T74] [ 402.551419][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 402.551419][ T74] neigh_parms_alloc+0x1e5/0x510 [ 402.551419][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 402.551419][ T74] ipv6_find_idev+0x102/0x170 [ 402.551419][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 402.551419][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 402.551419][ T74] netlink_rcv_skb+0x130/0x360 [ 402.551419][ T74] netlink_unicast+0x449/0x710 [ 402.551419][ T74] netlink_sendmsg+0x723/0xbe0 [ 402.551419][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 402.551419][ T74] ___sys_sendmsg+0xee/0x170 [ 402.551419][ T74] __sys_sendmsg+0xcd/0x170 [ 402.551419][ T74] do_syscall_64+0xc6/0x1e0 [ 402.551419][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 402.551419][ T74] [ 402.553221][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 402.553499][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 402.553499][ T74] dst_init+0x84/0x4a0 [ 402.553499][ T74] dst_alloc+0x97/0x150 [ 402.553499][ T74] ip6_dst_alloc+0x23/0x90 [ 402.553499][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 402.553499][ T74] ip6_pol_route+0x56f/0x840 [ 402.553499][ T74] fib6_rule_lookup+0x456/0x630 [ 402.553499][ T74] ip6_route_input+0x59c/0xa50 [ 402.553499][ T74] ipv6_rcv+0x397/0x810 [ 402.553499][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 402.553499][ T74] process_backlog+0x101/0x620 [ 402.553499][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 402.553499][ T74] net_rx_action+0x495/0xbe0 [ 402.553499][ T74] __do_softirq+0x1b5/0x7f6 [ 402.553499][ T74] [ 402.555324][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 402.555324][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 402.555324][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 402.555324][ T74] fib6_nh_init+0xa22/0x1580 [ 402.555324][ T74] ip6_route_info_create+0xf18/0x17d0 [ 402.555324][ T74] ip6_route_add+0x1c/0x140 [ 402.555324][ T74] inet6_rtm_newroute+0x104/0x110 [ 402.555324][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 402.555324][ T74] netlink_rcv_skb+0x130/0x360 [ 402.555324][ T74] netlink_unicast+0x449/0x710 [ 402.555324][ T74] netlink_sendmsg+0x723/0xbe0 [ 402.555324][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 402.555324][ T74] ___sys_sendmsg+0xee/0x170 [ 402.555324][ T74] __sys_sendmsg+0xcd/0x170 [ 402.555324][ T74] do_syscall_64+0xc6/0x1e0 [ 402.555324][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 402.555324][ T74] [ 402.557548][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 402.557548][ T74] netdev_get_by_index+0x5e/0x80 [ 402.557548][ T74] fib6_nh_init+0x3d8/0x1580 [ 402.557548][ T74] ip6_route_info_create+0xf18/0x17d0 [ 402.557548][ T74] addrconf_f6i_alloc+0x265/0x560 [ 402.557548][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 402.557548][ T74] addrconf_join_anycast+0x1c0/0x220 [ 402.557548][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 402.557548][ T74] addrconf_dad_completed+0x12b/0xe20 [ 402.557548][ T74] addrconf_dad_begin+0x310/0x670 [ 402.557548][ T74] addrconf_dad_work+0x10b/0xab0 [ 402.557548][ T74] process_one_work+0x84d/0x18a0 [ 402.557548][ T74] worker_thread+0x587/0xd30 [ 402.557548][ T74] kthread+0x28a/0x350 [ 402.557548][ T74] ret_from_fork+0x31/0x70 [ 402.557548][ T74] ret_from_fork_asm+0x1a/0x30 [ 402.557548][ T74] [ 402.559691][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 402.559691][ T74] netdev_get_by_index+0x5e/0x80 [ 402.559691][ T74] fib6_nh_init+0x3d8/0x1580 [ 402.559691][ T74] ip6_route_info_create+0xf18/0x17d0 [ 402.559691][ T74] ip6_route_add+0x1c/0x140 [ 402.559691][ T74] addrconf_prefix_route+0x2a6/0x430 [ 402.559691][ T74] inet6_addr_add+0x4f8/0xa40 [ 402.559691][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 402.559691][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 402.559691][ T74] netlink_rcv_skb+0x130/0x360 [ 402.559691][ T74] netlink_unicast+0x449/0x710 [ 402.559691][ T74] netlink_sendmsg+0x723/0xbe0 [ 402.559691][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 402.559691][ T74] ___sys_sendmsg+0xee/0x170 [ 402.559691][ T74] __sys_sendmsg+0xcd/0x170 [ 402.559691][ T74] do_syscall_64+0xc6/0x1e0 [ 402.559691][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 402.559691][ T74] [ 402.561985][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 402.561985][ T74] netdev_get_by_index+0x5e/0x80 [ 402.561985][ T74] fib6_nh_init+0x3d8/0x1580 [ 402.561985][ T74] ip6_route_info_create+0xf18/0x17d0 [ 402.561985][ T74] addrconf_f6i_alloc+0x315/0x560 [ 402.561985][ T74] ipv6_add_addr+0x411/0x2000 [ 402.561985][ T74] inet6_addr_add+0x30e/0xa40 [ 402.561985][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 402.561985][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 402.561985][ T74] netlink_rcv_skb+0x130/0x360 [ 402.561985][ T74] netlink_unicast+0x449/0x710 [ 402.561985][ T74] netlink_sendmsg+0x723/0xbe0 [ 402.561985][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 402.561985][ T74] ___sys_sendmsg+0xee/0x170 [ 402.561985][ T74] __sys_sendmsg+0xcd/0x170 [ 402.561985][ T74] do_syscall_64+0xc6/0x1e0 [ 402.561985][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 402.561985][ T74] [ 402.564265][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 402.564265][ T74] netdev_get_by_index+0x5e/0x80 [ 402.564265][ T74] fib6_nh_init+0x3d8/0x1580 [ 402.564265][ T74] ip6_route_info_create+0xf18/0x17d0 [ 402.564265][ T74] ip6_route_add+0x1c/0x140 [ 402.564265][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 402.564265][ T74] addrconf_add_dev+0xe2/0x170 [ 402.564265][ T74] inet6_addr_add+0x12f/0xa40 [ 402.564265][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 402.564265][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 402.564265][ T74] netlink_rcv_skb+0x130/0x360 [ 402.564265][ T74] netlink_unicast+0x449/0x710 [ 402.564265][ T74] netlink_sendmsg+0x723/0xbe0 [ 402.564265][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 402.564265][ T74] ___sys_sendmsg+0xee/0x170 [ 402.564265][ T74] __sys_sendmsg+0xcd/0x170 [ 402.564265][ T74] do_syscall_64+0xc6/0x1e0 [ 402.564265][ T74] [ 402.566545][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 402.566545][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 402.566545][ T74] ipv6_find_idev+0x102/0x170 [ 402.566545][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 402.566545][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 402.566545][ T74] netlink_rcv_skb+0x130/0x360 [ 402.566545][ T74] netlink_unicast+0x449/0x710 [ 402.566545][ T74] netlink_sendmsg+0x723/0xbe0 [ 402.566545][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 402.566545][ T74] ___sys_sendmsg+0xee/0x170 [ 402.566545][ T74] __sys_sendmsg+0xcd/0x170 [ 402.566545][ T74] do_syscall_64+0xc6/0x1e0 [ 402.566545][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 402.566545][ T74] [ 402.568333][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 402.568333][ T74] neigh_parms_alloc+0x1e5/0x510 [ 402.568333][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 402.568333][ T74] ipv6_find_idev+0x102/0x170 [ 402.568333][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 402.568333][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 402.568333][ T74] netlink_rcv_skb+0x130/0x360 [ 402.568333][ T74] netlink_unicast+0x449/0x710 [ 402.568333][ T74] netlink_sendmsg+0x723/0xbe0 [ 402.568333][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 402.568333][ T74] ___sys_sendmsg+0xee/0x170 [ 402.568333][ T74] __sys_sendmsg+0xcd/0x170 [ 402.568333][ T74] do_syscall_64+0xc6/0x1e0 [ 402.568333][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 402.568333][ T74] [ 402.570332][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 402.570610][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 402.570610][ T74] netdev_get_by_index+0x5e/0x80 [ 402.570610][ T74] fib6_nh_init+0x3d8/0x1580 [ 402.570610][ T74] ip6_route_info_create+0xf18/0x17d0 [ 402.570610][ T74] ip6_route_add+0x1c/0x140 [ 402.570610][ T74] addrconf_prefix_route+0x2a6/0x430 [ 402.570610][ T74] inet6_addr_add+0x4f8/0xa40 [ 402.570610][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 402.570610][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 402.570610][ T74] netlink_rcv_skb+0x130/0x360 [ 402.570610][ T74] netlink_unicast+0x449/0x710 [ 402.570610][ T74] netlink_sendmsg+0x723/0xbe0 [ 402.570610][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 402.570610][ T74] ___sys_sendmsg+0xee/0x170 [ 402.570610][ T74] __sys_sendmsg+0xcd/0x170 [ 402.570610][ T74] do_syscall_64+0xc6/0x1e0 [ 402.570610][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 402.570610][ T74] [ 402.572720][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 402.572720][ T74] netdev_get_by_index+0x5e/0x80 [ 402.572720][ T74] fib6_nh_init+0x3d8/0x1580 [ 402.572720][ T74] ip6_route_info_create+0xf18/0x17d0 [ 402.572720][ T74] addrconf_f6i_alloc+0x315/0x560 [ 402.572720][ T74] ipv6_add_addr+0x411/0x2000 [ 402.572720][ T74] inet6_addr_add+0x30e/0xa40 [ 402.572720][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 402.572720][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 402.572720][ T74] netlink_rcv_skb+0x130/0x360 [ 402.572720][ T74] netlink_unicast+0x449/0x710 [ 402.572720][ T74] netlink_sendmsg+0x723/0xbe0 [ 402.572720][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 402.572720][ T74] ___sys_sendmsg+0xee/0x170 [ 402.572720][ T74] __sys_sendmsg+0xcd/0x170 [ 402.572720][ T74] do_syscall_64+0xc6/0x1e0 [ 402.572720][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 402.572720][ T74] [ 402.574804][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 402.574804][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 402.574804][ T74] ipv6_find_idev+0x102/0x170 [ 402.574804][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 402.574804][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 402.574804][ T74] netlink_rcv_skb+0x130/0x360 [ 402.574804][ T74] netlink_unicast+0x449/0x710 [ 402.574804][ T74] netlink_sendmsg+0x723/0xbe0 [ 402.574804][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 402.574804][ T74] ___sys_sendmsg+0xee/0x170 [ 402.574804][ T74] __sys_sendmsg+0xcd/0x170 [ 402.574804][ T74] do_syscall_64+0xc6/0x1e0 [ 402.574804][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 402.574804][ T74] [ 402.576574][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 402.576574][ T74] neigh_parms_alloc+0x1e5/0x510 [ 402.576574][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 402.576574][ T74] ipv6_find_idev+0x102/0x170 [ 402.576574][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 402.576574][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 402.576574][ T74] netlink_rcv_skb+0x130/0x360 [ 402.576574][ T74] netlink_unicast+0x449/0x710 [ 402.576574][ T74] netlink_sendmsg+0x723/0xbe0 [ 402.576574][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 402.576574][ T74] ___sys_sendmsg+0xee/0x170 [ 402.576574][ T74] __sys_sendmsg+0xcd/0x170 [ 402.576574][ T74] do_syscall_64+0xc6/0x1e0 [ 402.576574][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 402.576574][ T74] [ 405.795321][ T2789] veth0: renamed from veth1 [ 409.839337][ T2815] br0: port 1(vx0) entered blocking state [ 409.839534][ T2815] br0: port 1(vx0) entered disabled state [ 409.839709][ T2815] vx0: entered allmulticast mode [ 409.841074][ T2815] vx0: entered promiscuous mode [ 409.842966][ T2815] br0: port 1(vx0) entered blocking state [ 409.843136][ T2815] br0: port 1(vx0) entered forwarding state [ 412.679983][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 412.680320][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 412.680320][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 412.680320][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 412.680320][ T74] fib6_nh_init+0xa22/0x1580 [ 412.680320][ T74] ip6_route_info_create+0xf18/0x17d0 [ 412.680320][ T74] ip6_route_add+0x1c/0x140 [ 412.680320][ T74] inet6_rtm_newroute+0x104/0x110 [ 412.680320][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 412.680320][ T74] netlink_rcv_skb+0x130/0x360 [ 412.680320][ T74] netlink_unicast+0x449/0x710 [ 412.680320][ T74] netlink_sendmsg+0x723/0xbe0 [ 412.680320][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 412.680320][ T74] ___sys_sendmsg+0xee/0x170 [ 412.680320][ T74] __sys_sendmsg+0xcd/0x170 [ 412.680320][ T74] do_syscall_64+0xc6/0x1e0 [ 412.680320][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 412.680320][ T74] [ 412.682351][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 412.682351][ T74] netdev_get_by_index+0x5e/0x80 [ 412.682351][ T74] fib6_nh_init+0x3d8/0x1580 [ 412.682351][ T74] ip6_route_info_create+0xf18/0x17d0 [ 412.682351][ T74] addrconf_f6i_alloc+0x265/0x560 [ 412.682351][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 412.682351][ T74] addrconf_join_anycast+0x1c0/0x220 [ 412.682351][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 412.682351][ T74] addrconf_dad_completed+0x12b/0xe20 [ 412.682351][ T74] addrconf_dad_begin+0x310/0x670 [ 412.682351][ T74] addrconf_dad_work+0x10b/0xab0 [ 412.682351][ T74] process_one_work+0x84d/0x18a0 [ 412.682351][ T74] worker_thread+0x587/0xd30 [ 412.682351][ T74] kthread+0x28a/0x350 [ 412.682351][ T74] ret_from_fork+0x31/0x70 [ 412.682351][ T74] ret_from_fork_asm+0x1a/0x30 [ 412.682351][ T74] [ 412.684377][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 412.684377][ T74] netdev_get_by_index+0x5e/0x80 [ 412.684377][ T74] fib6_nh_init+0x3d8/0x1580 [ 412.684377][ T74] ip6_route_info_create+0xf18/0x17d0 [ 412.684377][ T74] ip6_route_add+0x1c/0x140 [ 412.684377][ T74] addrconf_prefix_route+0x2a6/0x430 [ 412.684377][ T74] inet6_addr_add+0x4f8/0xa40 [ 412.684377][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 412.684377][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 412.684377][ T74] netlink_rcv_skb+0x130/0x360 [ 412.684377][ T74] netlink_unicast+0x449/0x710 [ 412.684377][ T74] netlink_sendmsg+0x723/0xbe0 [ 412.684377][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 412.684377][ T74] ___sys_sendmsg+0xee/0x170 [ 412.684377][ T74] __sys_sendmsg+0xcd/0x170 [ 412.684377][ T74] do_syscall_64+0xc6/0x1e0 [ 412.684377][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 412.684377][ T74] [ 412.686490][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 412.686490][ T74] netdev_get_by_index+0x5e/0x80 [ 412.686490][ T74] fib6_nh_init+0x3d8/0x1580 [ 412.686490][ T74] ip6_route_info_create+0xf18/0x17d0 [ 412.686490][ T74] addrconf_f6i_alloc+0x315/0x560 [ 412.686490][ T74] ipv6_add_addr+0x411/0x2000 [ 412.686490][ T74] inet6_addr_add+0x30e/0xa40 [ 412.686490][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 412.686490][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 412.686490][ T74] netlink_rcv_skb+0x130/0x360 [ 412.686490][ T74] netlink_unicast+0x449/0x710 [ 412.686490][ T74] netlink_sendmsg+0x723/0xbe0 [ 412.686490][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 412.686490][ T74] ___sys_sendmsg+0xee/0x170 [ 412.686490][ T74] __sys_sendmsg+0xcd/0x170 [ 412.686490][ T74] do_syscall_64+0xc6/0x1e0 [ 412.686490][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 412.686490][ T74] [ 412.688586][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 412.688586][ T74] netdev_get_by_index+0x5e/0x80 [ 412.688586][ T74] fib6_nh_init+0x3d8/0x1580 [ 412.688586][ T74] ip6_route_info_create+0xf18/0x17d0 [ 412.688586][ T74] ip6_route_add+0x1c/0x140 [ 412.688586][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 412.688586][ T74] addrconf_add_dev+0xe2/0x170 [ 412.688586][ T74] inet6_addr_add+0x12f/0xa40 [ 412.688586][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 412.688586][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 412.688586][ T74] netlink_rcv_skb+0x130/0x360 [ 412.688586][ T74] netlink_unicast+0x449/0x710 [ 412.688586][ T74] netlink_sendmsg+0x723/0xbe0 [ 412.688586][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 412.688586][ T74] ___sys_sendmsg+0xee/0x170 [ 412.688586][ T74] __sys_sendmsg+0xcd/0x170 [ 412.688586][ T74] do_syscall_64+0xc6/0x1e0 [ 412.688586][ T74] [ 412.690612][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 412.690612][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 412.690612][ T74] ipv6_find_idev+0x102/0x170 [ 412.690612][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 412.690612][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 412.690612][ T74] netlink_rcv_skb+0x130/0x360 [ 412.690612][ T74] netlink_unicast+0x449/0x710 [ 412.690612][ T74] netlink_sendmsg+0x723/0xbe0 [ 412.690612][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 412.690612][ T74] ___sys_sendmsg+0xee/0x170 [ 412.690612][ T74] __sys_sendmsg+0xcd/0x170 [ 412.690612][ T74] do_syscall_64+0xc6/0x1e0 [ 412.690612][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 412.690612][ T74] [ 412.692223][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 412.692223][ T74] neigh_parms_alloc+0x1e5/0x510 [ 412.692223][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 412.692223][ T74] ipv6_find_idev+0x102/0x170 [ 412.692223][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 412.692223][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 412.692223][ T74] netlink_rcv_skb+0x130/0x360 [ 412.692223][ T74] netlink_unicast+0x449/0x710 [ 412.692223][ T74] netlink_sendmsg+0x723/0xbe0 [ 412.692223][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 412.692223][ T74] ___sys_sendmsg+0xee/0x170 [ 412.692223][ T74] __sys_sendmsg+0xcd/0x170 [ 412.692223][ T74] do_syscall_64+0xc6/0x1e0 [ 412.692223][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 412.692223][ T74] [ 412.694128][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 412.694473][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 412.694473][ T74] dst_init+0x84/0x4a0 [ 412.694473][ T74] dst_alloc+0x97/0x150 [ 412.694473][ T74] ip6_dst_alloc+0x23/0x90 [ 412.694473][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 412.694473][ T74] ip6_pol_route+0x56f/0x840 [ 412.694473][ T74] fib6_rule_lookup+0x456/0x630 [ 412.694473][ T74] ip6_route_input+0x59c/0xa50 [ 412.694473][ T74] ipv6_rcv+0x397/0x810 [ 412.694473][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 412.694473][ T74] process_backlog+0x101/0x620 [ 412.694473][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 412.694473][ T74] net_rx_action+0x495/0xbe0 [ 412.694473][ T74] __do_softirq+0x1b5/0x7f6 [ 412.694473][ T74] [ 412.696381][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 412.696381][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 412.696381][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 412.696381][ T74] fib6_nh_init+0xa22/0x1580 [ 412.696381][ T74] ip6_route_info_create+0xf18/0x17d0 [ 412.696381][ T74] ip6_route_add+0x1c/0x140 [ 412.696381][ T74] inet6_rtm_newroute+0x104/0x110 [ 412.696381][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 412.696381][ T74] netlink_rcv_skb+0x130/0x360 [ 412.696381][ T74] netlink_unicast+0x449/0x710 [ 412.696381][ T74] netlink_sendmsg+0x723/0xbe0 [ 412.696381][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 412.696381][ T74] ___sys_sendmsg+0xee/0x170 [ 412.696381][ T74] __sys_sendmsg+0xcd/0x170 [ 412.696381][ T74] do_syscall_64+0xc6/0x1e0 [ 412.696381][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 412.696381][ T74] [ 412.698684][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 412.698684][ T74] netdev_get_by_index+0x5e/0x80 [ 412.698684][ T74] fib6_nh_init+0x3d8/0x1580 [ 412.698684][ T74] ip6_route_info_create+0xf18/0x17d0 [ 412.698684][ T74] addrconf_f6i_alloc+0x265/0x560 [ 412.698684][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 412.698684][ T74] addrconf_join_anycast+0x1c0/0x220 [ 412.698684][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 412.698684][ T74] addrconf_dad_completed+0x12b/0xe20 [ 412.698684][ T74] addrconf_dad_begin+0x310/0x670 [ 412.698684][ T74] addrconf_dad_work+0x10b/0xab0 [ 412.698684][ T74] process_one_work+0x84d/0x18a0 [ 412.698684][ T74] worker_thread+0x587/0xd30 [ 412.698684][ T74] kthread+0x28a/0x350 [ 412.698684][ T74] ret_from_fork+0x31/0x70 [ 412.698684][ T74] ret_from_fork_asm+0x1a/0x30 [ 412.698684][ T74] [ 412.700882][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 412.700882][ T74] netdev_get_by_index+0x5e/0x80 [ 412.700882][ T74] fib6_nh_init+0x3d8/0x1580 [ 412.700882][ T74] ip6_route_info_create+0xf18/0x17d0 [ 412.700882][ T74] ip6_route_add+0x1c/0x140 [ 412.700882][ T74] addrconf_prefix_route+0x2a6/0x430 [ 412.700882][ T74] inet6_addr_add+0x4f8/0xa40 [ 412.700882][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 412.700882][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 412.700882][ T74] netlink_rcv_skb+0x130/0x360 [ 412.700882][ T74] netlink_unicast+0x449/0x710 [ 412.700882][ T74] netlink_sendmsg+0x723/0xbe0 [ 412.700882][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 412.700882][ T74] ___sys_sendmsg+0xee/0x170 [ 412.700882][ T74] __sys_sendmsg+0xcd/0x170 [ 412.700882][ T74] do_syscall_64+0xc6/0x1e0 [ 412.700882][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 412.700882][ T74] [ 412.703229][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 412.703229][ T74] netdev_get_by_index+0x5e/0x80 [ 412.703229][ T74] fib6_nh_init+0x3d8/0x1580 [ 412.703229][ T74] ip6_route_info_create+0xf18/0x17d0 [ 412.703229][ T74] addrconf_f6i_alloc+0x315/0x560 [ 412.703229][ T74] ipv6_add_addr+0x411/0x2000 [ 412.703229][ T74] inet6_addr_add+0x30e/0xa40 [ 412.703229][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 412.703229][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 412.703229][ T74] netlink_rcv_skb+0x130/0x360 [ 412.703229][ T74] netlink_unicast+0x449/0x710 [ 412.703229][ T74] netlink_sendmsg+0x723/0xbe0 [ 412.703229][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 412.703229][ T74] ___sys_sendmsg+0xee/0x170 [ 412.703229][ T74] __sys_sendmsg+0xcd/0x170 [ 412.703229][ T74] do_syscall_64+0xc6/0x1e0 [ 412.703229][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 412.703229][ T74] [ 412.705574][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 412.705574][ T74] netdev_get_by_index+0x5e/0x80 [ 412.705574][ T74] fib6_nh_init+0x3d8/0x1580 [ 412.705574][ T74] ip6_route_info_create+0xf18/0x17d0 [ 412.705574][ T74] ip6_route_add+0x1c/0x140 [ 412.705574][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 412.705574][ T74] addrconf_add_dev+0xe2/0x170 [ 412.705574][ T74] inet6_addr_add+0x12f/0xa40 [ 412.705574][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 412.705574][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 412.705574][ T74] netlink_rcv_skb+0x130/0x360 [ 412.705574][ T74] netlink_unicast+0x449/0x710 [ 412.705574][ T74] netlink_sendmsg+0x723/0xbe0 [ 412.705574][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 412.705574][ T74] ___sys_sendmsg+0xee/0x170 [ 412.705574][ T74] __sys_sendmsg+0xcd/0x170 [ 412.705574][ T74] do_syscall_64+0xc6/0x1e0 [ 412.705574][ T74] [ 412.707848][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 412.707848][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 412.707848][ T74] ipv6_find_idev+0x102/0x170 [ 412.707848][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 412.707848][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 412.707848][ T74] netlink_rcv_skb+0x130/0x360 [ 412.707848][ T74] netlink_unicast+0x449/0x710 [ 412.707848][ T74] netlink_sendmsg+0x723/0xbe0 [ 412.707848][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 412.707848][ T74] ___sys_sendmsg+0xee/0x170 [ 412.707848][ T74] __sys_sendmsg+0xcd/0x170 [ 412.707848][ T74] do_syscall_64+0xc6/0x1e0 [ 412.707848][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 412.707848][ T74] [ 412.709661][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 412.709661][ T74] neigh_parms_alloc+0x1e5/0x510 [ 412.709661][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 412.709661][ T74] ipv6_find_idev+0x102/0x170 [ 412.709661][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 412.709661][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 412.709661][ T74] netlink_rcv_skb+0x130/0x360 [ 412.709661][ T74] netlink_unicast+0x449/0x710 [ 412.709661][ T74] netlink_sendmsg+0x723/0xbe0 [ 412.709661][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 412.709661][ T74] ___sys_sendmsg+0xee/0x170 [ 412.709661][ T74] __sys_sendmsg+0xcd/0x170 [ 412.709661][ T74] do_syscall_64+0xc6/0x1e0 [ 412.709661][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 412.709661][ T74] [ 412.711555][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 412.711808][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 412.711808][ T74] netdev_get_by_index+0x5e/0x80 [ 412.711808][ T74] fib6_nh_init+0x3d8/0x1580 [ 412.711808][ T74] ip6_route_info_create+0xf18/0x17d0 [ 412.711808][ T74] ip6_route_add+0x1c/0x140 [ 412.711808][ T74] addrconf_prefix_route+0x2a6/0x430 [ 412.711808][ T74] inet6_addr_add+0x4f8/0xa40 [ 412.711808][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 412.711808][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 412.711808][ T74] netlink_rcv_skb+0x130/0x360 [ 412.711808][ T74] netlink_unicast+0x449/0x710 [ 412.711808][ T74] netlink_sendmsg+0x723/0xbe0 [ 412.711808][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 412.711808][ T74] ___sys_sendmsg+0xee/0x170 [ 412.711808][ T74] __sys_sendmsg+0xcd/0x170 [ 412.711808][ T74] do_syscall_64+0xc6/0x1e0 [ 412.711808][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 412.711808][ T74] [ 412.714011][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 412.714011][ T74] netdev_get_by_index+0x5e/0x80 [ 412.714011][ T74] fib6_nh_init+0x3d8/0x1580 [ 412.714011][ T74] ip6_route_info_create+0xf18/0x17d0 [ 412.714011][ T74] addrconf_f6i_alloc+0x315/0x560 [ 412.714011][ T74] ipv6_add_addr+0x411/0x2000 [ 412.714011][ T74] inet6_addr_add+0x30e/0xa40 [ 412.714011][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 412.714011][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 412.714011][ T74] netlink_rcv_skb+0x130/0x360 [ 412.714011][ T74] netlink_unicast+0x449/0x710 [ 412.714011][ T74] netlink_sendmsg+0x723/0xbe0 [ 412.714011][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 412.714011][ T74] ___sys_sendmsg+0xee/0x170 [ 412.714011][ T74] __sys_sendmsg+0xcd/0x170 [ 412.714011][ T74] do_syscall_64+0xc6/0x1e0 [ 412.714011][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 412.714011][ T74] [ 412.716258][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 412.716258][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 412.716258][ T74] ipv6_find_idev+0x102/0x170 [ 412.716258][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 412.716258][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 412.716258][ T74] netlink_rcv_skb+0x130/0x360 [ 412.716258][ T74] netlink_unicast+0x449/0x710 [ 412.716258][ T74] netlink_sendmsg+0x723/0xbe0 [ 412.716258][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 412.716258][ T74] ___sys_sendmsg+0xee/0x170 [ 412.716258][ T74] __sys_sendmsg+0xcd/0x170 [ 412.716258][ T74] do_syscall_64+0xc6/0x1e0 [ 412.716258][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 412.716258][ T74] [ 412.718157][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 412.718157][ T74] neigh_parms_alloc+0x1e5/0x510 [ 412.718157][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 412.718157][ T74] ipv6_find_idev+0x102/0x170 [ 412.718157][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 412.718157][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 412.718157][ T74] netlink_rcv_skb+0x130/0x360 [ 412.718157][ T74] netlink_unicast+0x449/0x710 [ 412.718157][ T74] netlink_sendmsg+0x723/0xbe0 [ 412.718157][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 412.718157][ T74] ___sys_sendmsg+0xee/0x170 [ 412.718157][ T74] __sys_sendmsg+0xcd/0x170 [ 412.718157][ T74] do_syscall_64+0xc6/0x1e0 [ 412.718157][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 412.718157][ T74] [ 415.341030][ T2845] br0: port 1(vx0) entered blocking state [ 415.341250][ T2845] br0: port 1(vx0) entered disabled state [ 415.341440][ T2845] vx0: entered allmulticast mode [ 415.342889][ T2845] vx0: entered promiscuous mode [ 415.344714][ T2845] br0: port 1(vx0) entered blocking state [ 415.344909][ T2845] br0: port 1(vx0) entered forwarding state [ 419.405409][ T2875] veth0: renamed from veth1 [ 422.847869][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 422.848185][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 422.848185][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 422.848185][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 422.848185][ T74] fib6_nh_init+0xa22/0x1580 [ 422.848185][ T74] ip6_route_info_create+0xf18/0x17d0 [ 422.848185][ T74] ip6_route_add+0x1c/0x140 [ 422.848185][ T74] inet6_rtm_newroute+0x104/0x110 [ 422.848185][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 422.848185][ T74] netlink_rcv_skb+0x130/0x360 [ 422.848185][ T74] netlink_unicast+0x449/0x710 [ 422.848185][ T74] netlink_sendmsg+0x723/0xbe0 [ 422.848185][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 422.848185][ T74] ___sys_sendmsg+0xee/0x170 [ 422.848185][ T74] __sys_sendmsg+0xcd/0x170 [ 422.848185][ T74] do_syscall_64+0xc6/0x1e0 [ 422.848185][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 422.848185][ T74] [ 422.850130][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 422.850130][ T74] netdev_get_by_index+0x5e/0x80 [ 422.850130][ T74] fib6_nh_init+0x3d8/0x1580 [ 422.850130][ T74] ip6_route_info_create+0xf18/0x17d0 [ 422.850130][ T74] addrconf_f6i_alloc+0x265/0x560 [ 422.850130][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 422.850130][ T74] addrconf_join_anycast+0x1c0/0x220 [ 422.850130][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 422.850130][ T74] addrconf_dad_completed+0x12b/0xe20 [ 422.850130][ T74] addrconf_dad_begin+0x310/0x670 [ 422.850130][ T74] addrconf_dad_work+0x10b/0xab0 [ 422.850130][ T74] process_one_work+0x84d/0x18a0 [ 422.850130][ T74] worker_thread+0x587/0xd30 [ 422.850130][ T74] kthread+0x28a/0x350 [ 422.850130][ T74] ret_from_fork+0x31/0x70 [ 422.850130][ T74] ret_from_fork_asm+0x1a/0x30 [ 422.850130][ T74] [ 422.852056][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 422.852056][ T74] netdev_get_by_index+0x5e/0x80 [ 422.852056][ T74] fib6_nh_init+0x3d8/0x1580 [ 422.852056][ T74] ip6_route_info_create+0xf18/0x17d0 [ 422.852056][ T74] ip6_route_add+0x1c/0x140 [ 422.852056][ T74] addrconf_prefix_route+0x2a6/0x430 [ 422.852056][ T74] inet6_addr_add+0x4f8/0xa40 [ 422.852056][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 422.852056][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 422.852056][ T74] netlink_rcv_skb+0x130/0x360 [ 422.852056][ T74] netlink_unicast+0x449/0x710 [ 422.852056][ T74] netlink_sendmsg+0x723/0xbe0 [ 422.852056][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 422.852056][ T74] ___sys_sendmsg+0xee/0x170 [ 422.852056][ T74] __sys_sendmsg+0xcd/0x170 [ 422.852056][ T74] do_syscall_64+0xc6/0x1e0 [ 422.852056][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 422.852056][ T74] [ 422.854078][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 422.854078][ T74] netdev_get_by_index+0x5e/0x80 [ 422.854078][ T74] fib6_nh_init+0x3d8/0x1580 [ 422.854078][ T74] ip6_route_info_create+0xf18/0x17d0 [ 422.854078][ T74] addrconf_f6i_alloc+0x315/0x560 [ 422.854078][ T74] ipv6_add_addr+0x411/0x2000 [ 422.854078][ T74] inet6_addr_add+0x30e/0xa40 [ 422.854078][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 422.854078][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 422.854078][ T74] netlink_rcv_skb+0x130/0x360 [ 422.854078][ T74] netlink_unicast+0x449/0x710 [ 422.854078][ T74] netlink_sendmsg+0x723/0xbe0 [ 422.854078][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 422.854078][ T74] ___sys_sendmsg+0xee/0x170 [ 422.854078][ T74] __sys_sendmsg+0xcd/0x170 [ 422.854078][ T74] do_syscall_64+0xc6/0x1e0 [ 422.854078][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 422.854078][ T74] [ 422.856092][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 422.856092][ T74] netdev_get_by_index+0x5e/0x80 [ 422.856092][ T74] fib6_nh_init+0x3d8/0x1580 [ 422.856092][ T74] ip6_route_info_create+0xf18/0x17d0 [ 422.856092][ T74] ip6_route_add+0x1c/0x140 [ 422.856092][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 422.856092][ T74] addrconf_add_dev+0xe2/0x170 [ 422.856092][ T74] inet6_addr_add+0x12f/0xa40 [ 422.856092][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 422.856092][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 422.856092][ T74] netlink_rcv_skb+0x130/0x360 [ 422.856092][ T74] netlink_unicast+0x449/0x710 [ 422.856092][ T74] netlink_sendmsg+0x723/0xbe0 [ 422.856092][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 422.856092][ T74] ___sys_sendmsg+0xee/0x170 [ 422.856092][ T74] __sys_sendmsg+0xcd/0x170 [ 422.856092][ T74] do_syscall_64+0xc6/0x1e0 [ 422.856092][ T74] [ 422.858108][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 422.858108][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 422.858108][ T74] ipv6_find_idev+0x102/0x170 [ 422.858108][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 422.858108][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 422.858108][ T74] netlink_rcv_skb+0x130/0x360 [ 422.858108][ T74] netlink_unicast+0x449/0x710 [ 422.858108][ T74] netlink_sendmsg+0x723/0xbe0 [ 422.858108][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 422.858108][ T74] ___sys_sendmsg+0xee/0x170 [ 422.858108][ T74] __sys_sendmsg+0xcd/0x170 [ 422.858108][ T74] do_syscall_64+0xc6/0x1e0 [ 422.858108][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 422.858108][ T74] [ 422.859674][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 422.859674][ T74] neigh_parms_alloc+0x1e5/0x510 [ 422.859674][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 422.859674][ T74] ipv6_find_idev+0x102/0x170 [ 422.859674][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 422.859674][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 422.859674][ T74] netlink_rcv_skb+0x130/0x360 [ 422.859674][ T74] netlink_unicast+0x449/0x710 [ 422.859674][ T74] netlink_sendmsg+0x723/0xbe0 [ 422.859674][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 422.859674][ T74] ___sys_sendmsg+0xee/0x170 [ 422.859674][ T74] __sys_sendmsg+0xcd/0x170 [ 422.859674][ T74] do_syscall_64+0xc6/0x1e0 [ 422.859674][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 422.859674][ T74] [ 422.861379][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 422.861659][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 422.861659][ T74] dst_init+0x84/0x4a0 [ 422.861659][ T74] dst_alloc+0x97/0x150 [ 422.861659][ T74] ip6_dst_alloc+0x23/0x90 [ 422.861659][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 422.861659][ T74] ip6_pol_route+0x56f/0x840 [ 422.861659][ T74] fib6_rule_lookup+0x456/0x630 [ 422.861659][ T74] ip6_route_input+0x59c/0xa50 [ 422.861659][ T74] ipv6_rcv+0x397/0x810 [ 422.861659][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 422.861659][ T74] process_backlog+0x101/0x620 [ 422.861659][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 422.861659][ T74] net_rx_action+0x495/0xbe0 [ 422.861659][ T74] __do_softirq+0x1b5/0x7f6 [ 422.861659][ T74] [ 422.863450][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 422.863450][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 422.863450][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 422.863450][ T74] fib6_nh_init+0xa22/0x1580 [ 422.863450][ T74] ip6_route_info_create+0xf18/0x17d0 [ 422.863450][ T74] ip6_route_add+0x1c/0x140 [ 422.863450][ T74] inet6_rtm_newroute+0x104/0x110 [ 422.863450][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 422.863450][ T74] netlink_rcv_skb+0x130/0x360 [ 422.863450][ T74] netlink_unicast+0x449/0x710 [ 422.863450][ T74] netlink_sendmsg+0x723/0xbe0 [ 422.863450][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 422.863450][ T74] ___sys_sendmsg+0xee/0x170 [ 422.863450][ T74] __sys_sendmsg+0xcd/0x170 [ 422.863450][ T74] do_syscall_64+0xc6/0x1e0 [ 422.863450][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 422.863450][ T74] [ 422.865573][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 422.865573][ T74] netdev_get_by_index+0x5e/0x80 [ 422.865573][ T74] fib6_nh_init+0x3d8/0x1580 [ 422.865573][ T74] ip6_route_info_create+0xf18/0x17d0 [ 422.865573][ T74] addrconf_f6i_alloc+0x265/0x560 [ 422.865573][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 422.865573][ T74] addrconf_join_anycast+0x1c0/0x220 [ 422.865573][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 422.865573][ T74] addrconf_dad_completed+0x12b/0xe20 [ 422.865573][ T74] addrconf_dad_begin+0x310/0x670 [ 422.865573][ T74] addrconf_dad_work+0x10b/0xab0 [ 422.865573][ T74] process_one_work+0x84d/0x18a0 [ 422.865573][ T74] worker_thread+0x587/0xd30 [ 422.865573][ T74] kthread+0x28a/0x350 [ 422.865573][ T74] ret_from_fork+0x31/0x70 [ 422.865573][ T74] ret_from_fork_asm+0x1a/0x30 [ 422.865573][ T74] [ 422.867786][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 422.867786][ T74] netdev_get_by_index+0x5e/0x80 [ 422.867786][ T74] fib6_nh_init+0x3d8/0x1580 [ 422.867786][ T74] ip6_route_info_create+0xf18/0x17d0 [ 422.867786][ T74] ip6_route_add+0x1c/0x140 [ 422.867786][ T74] addrconf_prefix_route+0x2a6/0x430 [ 422.867786][ T74] inet6_addr_add+0x4f8/0xa40 [ 422.867786][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 422.867786][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 422.867786][ T74] netlink_rcv_skb+0x130/0x360 [ 422.867786][ T74] netlink_unicast+0x449/0x710 [ 422.867786][ T74] netlink_sendmsg+0x723/0xbe0 [ 422.867786][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 422.867786][ T74] ___sys_sendmsg+0xee/0x170 [ 422.867786][ T74] __sys_sendmsg+0xcd/0x170 [ 422.867786][ T74] do_syscall_64+0xc6/0x1e0 [ 422.867786][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 422.867786][ T74] [ 422.869939][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 422.869939][ T74] netdev_get_by_index+0x5e/0x80 [ 422.869939][ T74] fib6_nh_init+0x3d8/0x1580 [ 422.869939][ T74] ip6_route_info_create+0xf18/0x17d0 [ 422.869939][ T74] addrconf_f6i_alloc+0x315/0x560 [ 422.869939][ T74] ipv6_add_addr+0x411/0x2000 [ 422.869939][ T74] inet6_addr_add+0x30e/0xa40 [ 422.869939][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 422.869939][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 422.869939][ T74] netlink_rcv_skb+0x130/0x360 [ 422.869939][ T74] netlink_unicast+0x449/0x710 [ 422.869939][ T74] netlink_sendmsg+0x723/0xbe0 [ 422.869939][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 422.869939][ T74] ___sys_sendmsg+0xee/0x170 [ 422.869939][ T74] __sys_sendmsg+0xcd/0x170 [ 422.869939][ T74] do_syscall_64+0xc6/0x1e0 [ 422.869939][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 422.869939][ T74] [ 422.872954][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 422.872954][ T74] netdev_get_by_index+0x5e/0x80 [ 422.872954][ T74] fib6_nh_init+0x3d8/0x1580 [ 422.872954][ T74] ip6_route_info_create+0xf18/0x17d0 [ 422.872954][ T74] ip6_route_add+0x1c/0x140 [ 422.872954][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 422.872954][ T74] addrconf_add_dev+0xe2/0x170 [ 422.872954][ T74] inet6_addr_add+0x12f/0xa40 [ 422.872954][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 422.872954][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 422.872954][ T74] netlink_rcv_skb+0x130/0x360 [ 422.872954][ T74] netlink_unicast+0x449/0x710 [ 422.872954][ T74] netlink_sendmsg+0x723/0xbe0 [ 422.872954][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 422.872954][ T74] ___sys_sendmsg+0xee/0x170 [ 422.872954][ T74] __sys_sendmsg+0xcd/0x170 [ 422.872954][ T74] do_syscall_64+0xc6/0x1e0 [ 422.872954][ T74] [ 422.876237][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 422.876237][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 422.876237][ T74] ipv6_find_idev+0x102/0x170 [ 422.876237][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 422.876237][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 422.876237][ T74] netlink_rcv_skb+0x130/0x360 [ 422.876237][ T74] netlink_unicast+0x449/0x710 [ 422.876237][ T74] netlink_sendmsg+0x723/0xbe0 [ 422.876237][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 422.876237][ T74] ___sys_sendmsg+0xee/0x170 [ 422.876237][ T74] __sys_sendmsg+0xcd/0x170 [ 422.876237][ T74] do_syscall_64+0xc6/0x1e0 [ 422.876237][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 422.876237][ T74] [ 422.878930][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 422.878930][ T74] neigh_parms_alloc+0x1e5/0x510 [ 422.878930][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 422.878930][ T74] ipv6_find_idev+0x102/0x170 [ 422.878930][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 422.878930][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 422.878930][ T74] netlink_rcv_skb+0x130/0x360 [ 422.878930][ T74] netlink_unicast+0x449/0x710 [ 422.878930][ T74] netlink_sendmsg+0x723/0xbe0 [ 422.878930][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 422.878930][ T74] ___sys_sendmsg+0xee/0x170 [ 422.878930][ T74] __sys_sendmsg+0xcd/0x170 [ 422.878930][ T74] do_syscall_64+0xc6/0x1e0 [ 422.878930][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 422.878930][ T74] [ 422.881780][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 422.882266][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 422.882266][ T74] netdev_get_by_index+0x5e/0x80 [ 422.882266][ T74] fib6_nh_init+0x3d8/0x1580 [ 422.882266][ T74] ip6_route_info_create+0xf18/0x17d0 [ 422.882266][ T74] ip6_route_add+0x1c/0x140 [ 422.882266][ T74] addrconf_prefix_route+0x2a6/0x430 [ 422.882266][ T74] inet6_addr_add+0x4f8/0xa40 [ 422.882266][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 422.882266][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 422.882266][ T74] netlink_rcv_skb+0x130/0x360 [ 422.882266][ T74] netlink_unicast+0x449/0x710 [ 422.882266][ T74] netlink_sendmsg+0x723/0xbe0 [ 422.882266][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 422.882266][ T74] ___sys_sendmsg+0xee/0x170 [ 422.882266][ T74] __sys_sendmsg+0xcd/0x170 [ 422.882266][ T74] do_syscall_64+0xc6/0x1e0 [ 422.882266][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 422.882266][ T74] [ 422.885538][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 422.885538][ T74] netdev_get_by_index+0x5e/0x80 [ 422.885538][ T74] fib6_nh_init+0x3d8/0x1580 [ 422.885538][ T74] ip6_route_info_create+0xf18/0x17d0 [ 422.885538][ T74] addrconf_f6i_alloc+0x315/0x560 [ 422.885538][ T74] ipv6_add_addr+0x411/0x2000 [ 422.885538][ T74] inet6_addr_add+0x30e/0xa40 [ 422.885538][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 422.885538][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 422.885538][ T74] netlink_rcv_skb+0x130/0x360 [ 422.885538][ T74] netlink_unicast+0x449/0x710 [ 422.885538][ T74] netlink_sendmsg+0x723/0xbe0 [ 422.885538][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 422.885538][ T74] ___sys_sendmsg+0xee/0x170 [ 422.885538][ T74] __sys_sendmsg+0xcd/0x170 [ 422.885538][ T74] do_syscall_64+0xc6/0x1e0 [ 422.885538][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 422.885538][ T74] [ 422.889056][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 422.889056][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 422.889056][ T74] ipv6_find_idev+0x102/0x170 [ 422.889056][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 422.889056][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 422.889056][ T74] netlink_rcv_skb+0x130/0x360 [ 422.889056][ T74] netlink_unicast+0x449/0x710 [ 422.889056][ T74] netlink_sendmsg+0x723/0xbe0 [ 422.889056][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 422.889056][ T74] ___sys_sendmsg+0xee/0x170 [ 422.889056][ T74] __sys_sendmsg+0xcd/0x170 [ 422.889056][ T74] do_syscall_64+0xc6/0x1e0 [ 422.889056][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 422.889056][ T74] [ 422.891784][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 422.891784][ T74] neigh_parms_alloc+0x1e5/0x510 [ 422.891784][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 422.891784][ T74] ipv6_find_idev+0x102/0x170 [ 422.891784][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 422.891784][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 422.891784][ T74] netlink_rcv_skb+0x130/0x360 [ 422.891784][ T74] netlink_unicast+0x449/0x710 [ 422.891784][ T74] netlink_sendmsg+0x723/0xbe0 [ 422.891784][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 422.891784][ T74] ___sys_sendmsg+0xee/0x170 [ 422.891784][ T74] __sys_sendmsg+0xcd/0x170 [ 422.891784][ T74] do_syscall_64+0xc6/0x1e0 [ 422.891784][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 422.891784][ T74] [ 423.420116][ T2903] br0: port 1(vx0) entered blocking state [ 423.420328][ T2903] br0: port 1(vx0) entered disabled state [ 423.420511][ T2903] vx0: entered allmulticast mode [ 423.422533][ T2903] vx0: entered promiscuous mode [ 423.424456][ T2903] br0: port 1(vx0) entered blocking state [ 423.424631][ T2903] br0: port 1(vx0) entered forwarding state [ 429.044488][ T2933] br0: port 1(vx0) entered blocking state [ 429.044700][ T2933] br0: port 1(vx0) entered disabled state [ 429.044906][ T2933] vx0: entered allmulticast mode [ 429.046124][ T2933] vx0: entered promiscuous mode [ 429.048103][ T2933] br0: port 1(vx0) entered blocking state [ 429.048300][ T2933] br0: port 1(vx0) entered forwarding state [ 433.103957][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 433.104375][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 433.104375][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 433.104375][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 433.104375][ T74] fib6_nh_init+0xa22/0x1580 [ 433.104375][ T74] ip6_route_info_create+0xf18/0x17d0 [ 433.104375][ T74] ip6_route_add+0x1c/0x140 [ 433.104375][ T74] inet6_rtm_newroute+0x104/0x110 [ 433.104375][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 433.104375][ T74] netlink_rcv_skb+0x130/0x360 [ 433.104375][ T74] netlink_unicast+0x449/0x710 [ 433.104375][ T74] netlink_sendmsg+0x723/0xbe0 [ 433.104375][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 433.104375][ T74] ___sys_sendmsg+0xee/0x170 [ 433.104375][ T74] __sys_sendmsg+0xcd/0x170 [ 433.104375][ T74] do_syscall_64+0xc6/0x1e0 [ 433.104375][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 433.104375][ T74] [ 433.106459][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 433.106459][ T74] netdev_get_by_index+0x5e/0x80 [ 433.106459][ T74] fib6_nh_init+0x3d8/0x1580 [ 433.106459][ T74] ip6_route_info_create+0xf18/0x17d0 [ 433.106459][ T74] addrconf_f6i_alloc+0x265/0x560 [ 433.106459][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 433.106459][ T74] addrconf_join_anycast+0x1c0/0x220 [ 433.106459][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 433.106459][ T74] addrconf_dad_completed+0x12b/0xe20 [ 433.106459][ T74] addrconf_dad_begin+0x310/0x670 [ 433.106459][ T74] addrconf_dad_work+0x10b/0xab0 [ 433.106459][ T74] process_one_work+0x84d/0x18a0 [ 433.106459][ T74] worker_thread+0x587/0xd30 [ 433.106459][ T74] kthread+0x28a/0x350 [ 433.106459][ T74] ret_from_fork+0x31/0x70 [ 433.106459][ T74] ret_from_fork_asm+0x1a/0x30 [ 433.106459][ T74] [ 433.108512][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 433.108512][ T74] netdev_get_by_index+0x5e/0x80 [ 433.108512][ T74] fib6_nh_init+0x3d8/0x1580 [ 433.108512][ T74] ip6_route_info_create+0xf18/0x17d0 [ 433.108512][ T74] ip6_route_add+0x1c/0x140 [ 433.108512][ T74] addrconf_prefix_route+0x2a6/0x430 [ 433.108512][ T74] inet6_addr_add+0x4f8/0xa40 [ 433.108512][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 433.108512][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 433.108512][ T74] netlink_rcv_skb+0x130/0x360 [ 433.108512][ T74] netlink_unicast+0x449/0x710 [ 433.108512][ T74] netlink_sendmsg+0x723/0xbe0 [ 433.108512][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 433.108512][ T74] ___sys_sendmsg+0xee/0x170 [ 433.108512][ T74] __sys_sendmsg+0xcd/0x170 [ 433.108512][ T74] do_syscall_64+0xc6/0x1e0 [ 433.108512][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 433.108512][ T74] [ 433.110700][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 433.110700][ T74] netdev_get_by_index+0x5e/0x80 [ 433.110700][ T74] fib6_nh_init+0x3d8/0x1580 [ 433.110700][ T74] ip6_route_info_create+0xf18/0x17d0 [ 433.110700][ T74] addrconf_f6i_alloc+0x315/0x560 [ 433.110700][ T74] ipv6_add_addr+0x411/0x2000 [ 433.110700][ T74] inet6_addr_add+0x30e/0xa40 [ 433.110700][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 433.110700][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 433.110700][ T74] netlink_rcv_skb+0x130/0x360 [ 433.110700][ T74] netlink_unicast+0x449/0x710 [ 433.110700][ T74] netlink_sendmsg+0x723/0xbe0 [ 433.110700][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 433.110700][ T74] ___sys_sendmsg+0xee/0x170 [ 433.110700][ T74] __sys_sendmsg+0xcd/0x170 [ 433.110700][ T74] do_syscall_64+0xc6/0x1e0 [ 433.110700][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 433.110700][ T74] [ 433.112728][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 433.112728][ T74] netdev_get_by_index+0x5e/0x80 [ 433.112728][ T74] fib6_nh_init+0x3d8/0x1580 [ 433.112728][ T74] ip6_route_info_create+0xf18/0x17d0 [ 433.112728][ T74] ip6_route_add+0x1c/0x140 [ 433.112728][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 433.112728][ T74] addrconf_add_dev+0xe2/0x170 [ 433.112728][ T74] inet6_addr_add+0x12f/0xa40 [ 433.112728][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 433.112728][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 433.112728][ T74] netlink_rcv_skb+0x130/0x360 [ 433.112728][ T74] netlink_unicast+0x449/0x710 [ 433.112728][ T74] netlink_sendmsg+0x723/0xbe0 [ 433.112728][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 433.112728][ T74] ___sys_sendmsg+0xee/0x170 [ 433.112728][ T74] __sys_sendmsg+0xcd/0x170 [ 433.112728][ T74] do_syscall_64+0xc6/0x1e0 [ 433.112728][ T74] [ 433.114716][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 433.114716][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 433.114716][ T74] ipv6_find_idev+0x102/0x170 [ 433.114716][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 433.114716][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 433.114716][ T74] netlink_rcv_skb+0x130/0x360 [ 433.114716][ T74] netlink_unicast+0x449/0x710 [ 433.114716][ T74] netlink_sendmsg+0x723/0xbe0 [ 433.114716][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 433.114716][ T74] ___sys_sendmsg+0xee/0x170 [ 433.114716][ T74] __sys_sendmsg+0xcd/0x170 [ 433.114716][ T74] do_syscall_64+0xc6/0x1e0 [ 433.114716][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 433.114716][ T74] [ 433.116447][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 433.116447][ T74] neigh_parms_alloc+0x1e5/0x510 [ 433.116447][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 433.116447][ T74] ipv6_find_idev+0x102/0x170 [ 433.116447][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 433.116447][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 433.116447][ T74] netlink_rcv_skb+0x130/0x360 [ 433.116447][ T74] netlink_unicast+0x449/0x710 [ 433.116447][ T74] netlink_sendmsg+0x723/0xbe0 [ 433.116447][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 433.116447][ T74] ___sys_sendmsg+0xee/0x170 [ 433.116447][ T74] __sys_sendmsg+0xcd/0x170 [ 433.116447][ T74] do_syscall_64+0xc6/0x1e0 [ 433.116447][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 433.116447][ T74] [ 433.118326][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 433.118613][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 433.118613][ T74] dst_init+0x84/0x4a0 [ 433.118613][ T74] dst_alloc+0x97/0x150 [ 433.118613][ T74] ip6_dst_alloc+0x23/0x90 [ 433.118613][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 433.118613][ T74] ip6_pol_route+0x56f/0x840 [ 433.118613][ T74] fib6_rule_lookup+0x456/0x630 [ 433.118613][ T74] ip6_route_input+0x59c/0xa50 [ 433.118613][ T74] ipv6_rcv+0x397/0x810 [ 433.118613][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 433.118613][ T74] process_backlog+0x101/0x620 [ 433.118613][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 433.118613][ T74] net_rx_action+0x495/0xbe0 [ 433.118613][ T74] __do_softirq+0x1b5/0x7f6 [ 433.118613][ T74] [ 433.120430][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 433.120430][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 433.120430][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 433.120430][ T74] fib6_nh_init+0xa22/0x1580 [ 433.120430][ T74] ip6_route_info_create+0xf18/0x17d0 [ 433.120430][ T74] ip6_route_add+0x1c/0x140 [ 433.120430][ T74] inet6_rtm_newroute+0x104/0x110 [ 433.120430][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 433.120430][ T74] netlink_rcv_skb+0x130/0x360 [ 433.120430][ T74] netlink_unicast+0x449/0x710 [ 433.120430][ T74] netlink_sendmsg+0x723/0xbe0 [ 433.120430][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 433.120430][ T74] ___sys_sendmsg+0xee/0x170 [ 433.120430][ T74] __sys_sendmsg+0xcd/0x170 [ 433.120430][ T74] do_syscall_64+0xc6/0x1e0 [ 433.120430][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 433.120430][ T74] [ 433.122331][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 433.122331][ T74] netdev_get_by_index+0x5e/0x80 [ 433.122331][ T74] fib6_nh_init+0x3d8/0x1580 [ 433.122331][ T74] ip6_route_info_create+0xf18/0x17d0 [ 433.122331][ T74] addrconf_f6i_alloc+0x265/0x560 [ 433.122331][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 433.122331][ T74] addrconf_join_anycast+0x1c0/0x220 [ 433.122331][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 433.122331][ T74] addrconf_dad_completed+0x12b/0xe20 [ 433.122331][ T74] addrconf_dad_begin+0x310/0x670 [ 433.122331][ T74] addrconf_dad_work+0x10b/0xab0 [ 433.122331][ T74] process_one_work+0x84d/0x18a0 [ 433.122331][ T74] worker_thread+0x587/0xd30 [ 433.122331][ T74] kthread+0x28a/0x350 [ 433.122331][ T74] ret_from_fork+0x31/0x70 [ 433.122331][ T74] ret_from_fork_asm+0x1a/0x30 [ 433.122331][ T74] [ 433.124284][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 433.124284][ T74] netdev_get_by_index+0x5e/0x80 [ 433.124284][ T74] fib6_nh_init+0x3d8/0x1580 [ 433.124284][ T74] ip6_route_info_create+0xf18/0x17d0 [ 433.124284][ T74] ip6_route_add+0x1c/0x140 [ 433.124284][ T74] addrconf_prefix_route+0x2a6/0x430 [ 433.124284][ T74] inet6_addr_add+0x4f8/0xa40 [ 433.124284][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 433.124284][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 433.124284][ T74] netlink_rcv_skb+0x130/0x360 [ 433.124284][ T74] netlink_unicast+0x449/0x710 [ 433.124284][ T74] netlink_sendmsg+0x723/0xbe0 [ 433.124284][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 433.124284][ T74] ___sys_sendmsg+0xee/0x170 [ 433.124284][ T74] __sys_sendmsg+0xcd/0x170 [ 433.124284][ T74] do_syscall_64+0xc6/0x1e0 [ 433.124284][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 433.124284][ T74] [ 433.126300][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 433.126300][ T74] netdev_get_by_index+0x5e/0x80 [ 433.126300][ T74] fib6_nh_init+0x3d8/0x1580 [ 433.126300][ T74] ip6_route_info_create+0xf18/0x17d0 [ 433.126300][ T74] addrconf_f6i_alloc+0x315/0x560 [ 433.126300][ T74] ipv6_add_addr+0x411/0x2000 [ 433.126300][ T74] inet6_addr_add+0x30e/0xa40 [ 433.126300][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 433.126300][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 433.126300][ T74] netlink_rcv_skb+0x130/0x360 [ 433.126300][ T74] netlink_unicast+0x449/0x710 [ 433.126300][ T74] netlink_sendmsg+0x723/0xbe0 [ 433.126300][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 433.126300][ T74] ___sys_sendmsg+0xee/0x170 [ 433.126300][ T74] __sys_sendmsg+0xcd/0x170 [ 433.126300][ T74] do_syscall_64+0xc6/0x1e0 [ 433.126300][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 433.126300][ T74] [ 433.128393][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 433.128393][ T74] netdev_get_by_index+0x5e/0x80 [ 433.128393][ T74] fib6_nh_init+0x3d8/0x1580 [ 433.128393][ T74] ip6_route_info_create+0xf18/0x17d0 [ 433.128393][ T74] ip6_route_add+0x1c/0x140 [ 433.128393][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 433.128393][ T74] addrconf_add_dev+0xe2/0x170 [ 433.128393][ T74] inet6_addr_add+0x12f/0xa40 [ 433.128393][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 433.128393][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 433.128393][ T74] netlink_rcv_skb+0x130/0x360 [ 433.128393][ T74] netlink_unicast+0x449/0x710 [ 433.128393][ T74] netlink_sendmsg+0x723/0xbe0 [ 433.128393][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 433.128393][ T74] ___sys_sendmsg+0xee/0x170 [ 433.128393][ T74] __sys_sendmsg+0xcd/0x170 [ 433.128393][ T74] do_syscall_64+0xc6/0x1e0 [ 433.128393][ T74] [ 433.130501][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 433.130501][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 433.130501][ T74] ipv6_find_idev+0x102/0x170 [ 433.130501][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 433.130501][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 433.130501][ T74] netlink_rcv_skb+0x130/0x360 [ 433.130501][ T74] netlink_unicast+0x449/0x710 [ 433.130501][ T74] netlink_sendmsg+0x723/0xbe0 [ 433.130501][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 433.130501][ T74] ___sys_sendmsg+0xee/0x170 [ 433.130501][ T74] __sys_sendmsg+0xcd/0x170 [ 433.130501][ T74] do_syscall_64+0xc6/0x1e0 [ 433.130501][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 433.130501][ T74] [ 433.132172][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 433.132172][ T74] neigh_parms_alloc+0x1e5/0x510 [ 433.132172][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 433.132172][ T74] ipv6_find_idev+0x102/0x170 [ 433.132172][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 433.132172][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 433.132172][ T74] netlink_rcv_skb+0x130/0x360 [ 433.132172][ T74] netlink_unicast+0x449/0x710 [ 433.132172][ T74] netlink_sendmsg+0x723/0xbe0 [ 433.132172][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 433.132172][ T74] ___sys_sendmsg+0xee/0x170 [ 433.132172][ T74] __sys_sendmsg+0xcd/0x170 [ 433.132172][ T74] do_syscall_64+0xc6/0x1e0 [ 433.132172][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 433.132172][ T74] [ 433.134143][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 433.134447][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 433.134447][ T74] netdev_get_by_index+0x5e/0x80 [ 433.134447][ T74] fib6_nh_init+0x3d8/0x1580 [ 433.134447][ T74] ip6_route_info_create+0xf18/0x17d0 [ 433.134447][ T74] ip6_route_add+0x1c/0x140 [ 433.134447][ T74] addrconf_prefix_route+0x2a6/0x430 [ 433.134447][ T74] inet6_addr_add+0x4f8/0xa40 [ 433.134447][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 433.134447][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 433.134447][ T74] netlink_rcv_skb+0x130/0x360 [ 433.134447][ T74] netlink_unicast+0x449/0x710 [ 433.134447][ T74] netlink_sendmsg+0x723/0xbe0 [ 433.134447][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 433.134447][ T74] ___sys_sendmsg+0xee/0x170 [ 433.134447][ T74] __sys_sendmsg+0xcd/0x170 [ 433.134447][ T74] do_syscall_64+0xc6/0x1e0 [ 433.134447][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 433.134447][ T74] [ 433.136691][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 433.136691][ T74] netdev_get_by_index+0x5e/0x80 [ 433.136691][ T74] fib6_nh_init+0x3d8/0x1580 [ 433.136691][ T74] ip6_route_info_create+0xf18/0x17d0 [ 433.136691][ T74] addrconf_f6i_alloc+0x315/0x560 [ 433.136691][ T74] ipv6_add_addr+0x411/0x2000 [ 433.136691][ T74] inet6_addr_add+0x30e/0xa40 [ 433.136691][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 433.136691][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 433.136691][ T74] netlink_rcv_skb+0x130/0x360 [ 433.136691][ T74] netlink_unicast+0x449/0x710 [ 433.136691][ T74] netlink_sendmsg+0x723/0xbe0 [ 433.136691][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 433.136691][ T74] ___sys_sendmsg+0xee/0x170 [ 433.136691][ T74] __sys_sendmsg+0xcd/0x170 [ 433.136691][ T74] do_syscall_64+0xc6/0x1e0 [ 433.136691][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 433.136691][ T74] [ 433.138976][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 433.138976][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 433.138976][ T74] ipv6_find_idev+0x102/0x170 [ 433.138976][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 433.138976][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 433.138976][ T74] netlink_rcv_skb+0x130/0x360 [ 433.138976][ T74] netlink_unicast+0x449/0x710 [ 433.138976][ T74] netlink_sendmsg+0x723/0xbe0 [ 433.138976][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 433.138976][ T74] ___sys_sendmsg+0xee/0x170 [ 433.138976][ T74] __sys_sendmsg+0xcd/0x170 [ 433.138976][ T74] do_syscall_64+0xc6/0x1e0 [ 433.138976][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 433.138976][ T74] [ 433.140814][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 433.140814][ T74] neigh_parms_alloc+0x1e5/0x510 [ 433.140814][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 433.140814][ T74] ipv6_find_idev+0x102/0x170 [ 433.140814][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 433.140814][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 433.140814][ T74] netlink_rcv_skb+0x130/0x360 [ 433.140814][ T74] netlink_unicast+0x449/0x710 [ 433.140814][ T74] netlink_sendmsg+0x723/0xbe0 [ 433.140814][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 433.140814][ T74] ___sys_sendmsg+0xee/0x170 [ 433.140814][ T74] __sys_sendmsg+0xcd/0x170 [ 433.140814][ T74] do_syscall_64+0xc6/0x1e0 [ 433.140814][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 433.140814][ T74] [ 443.223913][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 443.224250][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 443.224250][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 443.224250][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 443.224250][ T74] fib6_nh_init+0xa22/0x1580 [ 443.224250][ T74] ip6_route_info_create+0xf18/0x17d0 [ 443.224250][ T74] ip6_route_add+0x1c/0x140 [ 443.224250][ T74] inet6_rtm_newroute+0x104/0x110 [ 443.224250][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 443.224250][ T74] netlink_rcv_skb+0x130/0x360 [ 443.224250][ T74] netlink_unicast+0x449/0x710 [ 443.224250][ T74] netlink_sendmsg+0x723/0xbe0 [ 443.224250][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 443.224250][ T74] ___sys_sendmsg+0xee/0x170 [ 443.224250][ T74] __sys_sendmsg+0xcd/0x170 [ 443.224250][ T74] do_syscall_64+0xc6/0x1e0 [ 443.224250][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 443.224250][ T74] [ 443.226393][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 443.226393][ T74] netdev_get_by_index+0x5e/0x80 [ 443.226393][ T74] fib6_nh_init+0x3d8/0x1580 [ 443.226393][ T74] ip6_route_info_create+0xf18/0x17d0 [ 443.226393][ T74] addrconf_f6i_alloc+0x265/0x560 [ 443.226393][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 443.226393][ T74] addrconf_join_anycast+0x1c0/0x220 [ 443.226393][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 443.226393][ T74] addrconf_dad_completed+0x12b/0xe20 [ 443.226393][ T74] addrconf_dad_begin+0x310/0x670 [ 443.226393][ T74] addrconf_dad_work+0x10b/0xab0 [ 443.226393][ T74] process_one_work+0x84d/0x18a0 [ 443.226393][ T74] worker_thread+0x587/0xd30 [ 443.226393][ T74] kthread+0x28a/0x350 [ 443.226393][ T74] ret_from_fork+0x31/0x70 [ 443.226393][ T74] ret_from_fork_asm+0x1a/0x30 [ 443.226393][ T74] [ 443.228546][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 443.228546][ T74] netdev_get_by_index+0x5e/0x80 [ 443.228546][ T74] fib6_nh_init+0x3d8/0x1580 [ 443.228546][ T74] ip6_route_info_create+0xf18/0x17d0 [ 443.228546][ T74] ip6_route_add+0x1c/0x140 [ 443.228546][ T74] addrconf_prefix_route+0x2a6/0x430 [ 443.228546][ T74] inet6_addr_add+0x4f8/0xa40 [ 443.228546][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 443.228546][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 443.228546][ T74] netlink_rcv_skb+0x130/0x360 [ 443.228546][ T74] netlink_unicast+0x449/0x710 [ 443.228546][ T74] netlink_sendmsg+0x723/0xbe0 [ 443.228546][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 443.228546][ T74] ___sys_sendmsg+0xee/0x170 [ 443.228546][ T74] __sys_sendmsg+0xcd/0x170 [ 443.228546][ T74] do_syscall_64+0xc6/0x1e0 [ 443.228546][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 443.228546][ T74] [ 443.230754][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 443.230754][ T74] netdev_get_by_index+0x5e/0x80 [ 443.230754][ T74] fib6_nh_init+0x3d8/0x1580 [ 443.230754][ T74] ip6_route_info_create+0xf18/0x17d0 [ 443.230754][ T74] addrconf_f6i_alloc+0x315/0x560 [ 443.230754][ T74] ipv6_add_addr+0x411/0x2000 [ 443.230754][ T74] inet6_addr_add+0x30e/0xa40 [ 443.230754][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 443.230754][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 443.230754][ T74] netlink_rcv_skb+0x130/0x360 [ 443.230754][ T74] netlink_unicast+0x449/0x710 [ 443.230754][ T74] netlink_sendmsg+0x723/0xbe0 [ 443.230754][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 443.230754][ T74] ___sys_sendmsg+0xee/0x170 [ 443.230754][ T74] __sys_sendmsg+0xcd/0x170 [ 443.230754][ T74] do_syscall_64+0xc6/0x1e0 [ 443.230754][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 443.230754][ T74] [ 443.232953][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 443.232953][ T74] netdev_get_by_index+0x5e/0x80 [ 443.232953][ T74] fib6_nh_init+0x3d8/0x1580 [ 443.232953][ T74] ip6_route_info_create+0xf18/0x17d0 [ 443.232953][ T74] ip6_route_add+0x1c/0x140 [ 443.232953][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 443.232953][ T74] addrconf_add_dev+0xe2/0x170 [ 443.232953][ T74] inet6_addr_add+0x12f/0xa40 [ 443.232953][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 443.232953][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 443.232953][ T74] netlink_rcv_skb+0x130/0x360 [ 443.232953][ T74] netlink_unicast+0x449/0x710 [ 443.232953][ T74] netlink_sendmsg+0x723/0xbe0 [ 443.232953][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 443.232953][ T74] ___sys_sendmsg+0xee/0x170 [ 443.232953][ T74] __sys_sendmsg+0xcd/0x170 [ 443.232953][ T74] do_syscall_64+0xc6/0x1e0 [ 443.232953][ T74] [ 443.235035][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 443.235035][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 443.235035][ T74] ipv6_find_idev+0x102/0x170 [ 443.235035][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 443.235035][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 443.235035][ T74] netlink_rcv_skb+0x130/0x360 [ 443.235035][ T74] netlink_unicast+0x449/0x710 [ 443.235035][ T74] netlink_sendmsg+0x723/0xbe0 [ 443.235035][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 443.235035][ T74] ___sys_sendmsg+0xee/0x170 [ 443.235035][ T74] __sys_sendmsg+0xcd/0x170 [ 443.235035][ T74] do_syscall_64+0xc6/0x1e0 [ 443.235035][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 443.235035][ T74] [ 443.236748][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 443.236748][ T74] neigh_parms_alloc+0x1e5/0x510 [ 443.236748][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 443.236748][ T74] ipv6_find_idev+0x102/0x170 [ 443.236748][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 443.236748][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 443.236748][ T74] netlink_rcv_skb+0x130/0x360 [ 443.236748][ T74] netlink_unicast+0x449/0x710 [ 443.236748][ T74] netlink_sendmsg+0x723/0xbe0 [ 443.236748][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 443.236748][ T74] ___sys_sendmsg+0xee/0x170 [ 443.236748][ T74] __sys_sendmsg+0xcd/0x170 [ 443.236748][ T74] do_syscall_64+0xc6/0x1e0 [ 443.236748][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 443.236748][ T74] [ 443.238642][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 443.238969][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 443.238969][ T74] dst_init+0x84/0x4a0 [ 443.238969][ T74] dst_alloc+0x97/0x150 [ 443.238969][ T74] ip6_dst_alloc+0x23/0x90 [ 443.238969][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 443.238969][ T74] ip6_pol_route+0x56f/0x840 [ 443.238969][ T74] fib6_rule_lookup+0x456/0x630 [ 443.238969][ T74] ip6_route_input+0x59c/0xa50 [ 443.238969][ T74] ipv6_rcv+0x397/0x810 [ 443.238969][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 443.238969][ T74] process_backlog+0x101/0x620 [ 443.238969][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 443.238969][ T74] net_rx_action+0x495/0xbe0 [ 443.238969][ T74] __do_softirq+0x1b5/0x7f6 [ 443.238969][ T74] [ 443.241080][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 443.241080][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 443.241080][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 443.241080][ T74] fib6_nh_init+0xa22/0x1580 [ 443.241080][ T74] ip6_route_info_create+0xf18/0x17d0 [ 443.241080][ T74] ip6_route_add+0x1c/0x140 [ 443.241080][ T74] inet6_rtm_newroute+0x104/0x110 [ 443.241080][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 443.241080][ T74] netlink_rcv_skb+0x130/0x360 [ 443.241080][ T74] netlink_unicast+0x449/0x710 [ 443.241080][ T74] netlink_sendmsg+0x723/0xbe0 [ 443.241080][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 443.241080][ T74] ___sys_sendmsg+0xee/0x170 [ 443.241080][ T74] __sys_sendmsg+0xcd/0x170 [ 443.241080][ T74] do_syscall_64+0xc6/0x1e0 [ 443.241080][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 443.241080][ T74] [ 443.243641][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 443.243641][ T74] netdev_get_by_index+0x5e/0x80 [ 443.243641][ T74] fib6_nh_init+0x3d8/0x1580 [ 443.243641][ T74] ip6_route_info_create+0xf18/0x17d0 [ 443.243641][ T74] addrconf_f6i_alloc+0x265/0x560 [ 443.243641][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 443.243641][ T74] addrconf_join_anycast+0x1c0/0x220 [ 443.243641][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 443.243641][ T74] addrconf_dad_completed+0x12b/0xe20 [ 443.243641][ T74] addrconf_dad_begin+0x310/0x670 [ 443.243641][ T74] addrconf_dad_work+0x10b/0xab0 [ 443.243641][ T74] process_one_work+0x84d/0x18a0 [ 443.243641][ T74] worker_thread+0x587/0xd30 [ 443.243641][ T74] kthread+0x28a/0x350 [ 443.243641][ T74] ret_from_fork+0x31/0x70 [ 443.243641][ T74] ret_from_fork_asm+0x1a/0x30 [ 443.243641][ T74] [ 443.246137][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 443.246137][ T74] netdev_get_by_index+0x5e/0x80 [ 443.246137][ T74] fib6_nh_init+0x3d8/0x1580 [ 443.246137][ T74] ip6_route_info_create+0xf18/0x17d0 [ 443.246137][ T74] ip6_route_add+0x1c/0x140 [ 443.246137][ T74] addrconf_prefix_route+0x2a6/0x430 [ 443.246137][ T74] inet6_addr_add+0x4f8/0xa40 [ 443.246137][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 443.246137][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 443.246137][ T74] netlink_rcv_skb+0x130/0x360 [ 443.246137][ T74] netlink_unicast+0x449/0x710 [ 443.246137][ T74] netlink_sendmsg+0x723/0xbe0 [ 443.246137][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 443.246137][ T74] ___sys_sendmsg+0xee/0x170 [ 443.246137][ T74] __sys_sendmsg+0xcd/0x170 [ 443.246137][ T74] do_syscall_64+0xc6/0x1e0 [ 443.246137][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 443.246137][ T74] [ 443.248758][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 443.248758][ T74] netdev_get_by_index+0x5e/0x80 [ 443.248758][ T74] fib6_nh_init+0x3d8/0x1580 [ 443.248758][ T74] ip6_route_info_create+0xf18/0x17d0 [ 443.248758][ T74] addrconf_f6i_alloc+0x315/0x560 [ 443.248758][ T74] ipv6_add_addr+0x411/0x2000 [ 443.248758][ T74] inet6_addr_add+0x30e/0xa40 [ 443.248758][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 443.248758][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 443.248758][ T74] netlink_rcv_skb+0x130/0x360 [ 443.248758][ T74] netlink_unicast+0x449/0x710 [ 443.248758][ T74] netlink_sendmsg+0x723/0xbe0 [ 443.248758][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 443.248758][ T74] ___sys_sendmsg+0xee/0x170 [ 443.248758][ T74] __sys_sendmsg+0xcd/0x170 [ 443.248758][ T74] do_syscall_64+0xc6/0x1e0 [ 443.248758][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 443.248758][ T74] [ 443.251180][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 443.251180][ T74] netdev_get_by_index+0x5e/0x80 [ 443.251180][ T74] fib6_nh_init+0x3d8/0x1580 [ 443.251180][ T74] ip6_route_info_create+0xf18/0x17d0 [ 443.251180][ T74] ip6_route_add+0x1c/0x140 [ 443.251180][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 443.251180][ T74] addrconf_add_dev+0xe2/0x170 [ 443.251180][ T74] inet6_addr_add+0x12f/0xa40 [ 443.251180][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 443.251180][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 443.251180][ T74] netlink_rcv_skb+0x130/0x360 [ 443.251180][ T74] netlink_unicast+0x449/0x710 [ 443.251180][ T74] netlink_sendmsg+0x723/0xbe0 [ 443.251180][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 443.251180][ T74] ___sys_sendmsg+0xee/0x170 [ 443.251180][ T74] __sys_sendmsg+0xcd/0x170 [ 443.251180][ T74] do_syscall_64+0xc6/0x1e0 [ 443.251180][ T74] [ 443.253712][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 443.253712][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 443.253712][ T74] ipv6_find_idev+0x102/0x170 [ 443.253712][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 443.253712][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 443.253712][ T74] netlink_rcv_skb+0x130/0x360 [ 443.253712][ T74] netlink_unicast+0x449/0x710 [ 443.253712][ T74] netlink_sendmsg+0x723/0xbe0 [ 443.253712][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 443.253712][ T74] ___sys_sendmsg+0xee/0x170 [ 443.253712][ T74] __sys_sendmsg+0xcd/0x170 [ 443.253712][ T74] do_syscall_64+0xc6/0x1e0 [ 443.253712][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 443.253712][ T74] [ 443.255660][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 443.255660][ T74] neigh_parms_alloc+0x1e5/0x510 [ 443.255660][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 443.255660][ T74] ipv6_find_idev+0x102/0x170 [ 443.255660][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 443.255660][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 443.255660][ T74] netlink_rcv_skb+0x130/0x360 [ 443.255660][ T74] netlink_unicast+0x449/0x710 [ 443.255660][ T74] netlink_sendmsg+0x723/0xbe0 [ 443.255660][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 443.255660][ T74] ___sys_sendmsg+0xee/0x170 [ 443.255660][ T74] __sys_sendmsg+0xcd/0x170 [ 443.255660][ T74] do_syscall_64+0xc6/0x1e0 [ 443.255660][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 443.255660][ T74] [ 443.257868][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 443.258219][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 443.258219][ T74] netdev_get_by_index+0x5e/0x80 [ 443.258219][ T74] fib6_nh_init+0x3d8/0x1580 [ 443.258219][ T74] ip6_route_info_create+0xf18/0x17d0 [ 443.258219][ T74] ip6_route_add+0x1c/0x140 [ 443.258219][ T74] addrconf_prefix_route+0x2a6/0x430 [ 443.258219][ T74] inet6_addr_add+0x4f8/0xa40 [ 443.258219][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 443.258219][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 443.258219][ T74] netlink_rcv_skb+0x130/0x360 [ 443.258219][ T74] netlink_unicast+0x449/0x710 [ 443.258219][ T74] netlink_sendmsg+0x723/0xbe0 [ 443.258219][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 443.258219][ T74] ___sys_sendmsg+0xee/0x170 [ 443.258219][ T74] __sys_sendmsg+0xcd/0x170 [ 443.258219][ T74] do_syscall_64+0xc6/0x1e0 [ 443.258219][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 443.258219][ T74] [ 443.260604][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 443.260604][ T74] netdev_get_by_index+0x5e/0x80 [ 443.260604][ T74] fib6_nh_init+0x3d8/0x1580 [ 443.260604][ T74] ip6_route_info_create+0xf18/0x17d0 [ 443.260604][ T74] addrconf_f6i_alloc+0x315/0x560 [ 443.260604][ T74] ipv6_add_addr+0x411/0x2000 [ 443.260604][ T74] inet6_addr_add+0x30e/0xa40 [ 443.260604][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 443.260604][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 443.260604][ T74] netlink_rcv_skb+0x130/0x360 [ 443.260604][ T74] netlink_unicast+0x449/0x710 [ 443.260604][ T74] netlink_sendmsg+0x723/0xbe0 [ 443.260604][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 443.260604][ T74] ___sys_sendmsg+0xee/0x170 [ 443.260604][ T74] __sys_sendmsg+0xcd/0x170 [ 443.260604][ T74] do_syscall_64+0xc6/0x1e0 [ 443.260604][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 443.260604][ T74] [ 443.262893][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 443.262893][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 443.262893][ T74] ipv6_find_idev+0x102/0x170 [ 443.262893][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 443.262893][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 443.262893][ T74] netlink_rcv_skb+0x130/0x360 [ 443.262893][ T74] netlink_unicast+0x449/0x710 [ 443.262893][ T74] netlink_sendmsg+0x723/0xbe0 [ 443.262893][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 443.262893][ T74] ___sys_sendmsg+0xee/0x170 [ 443.262893][ T74] __sys_sendmsg+0xcd/0x170 [ 443.262893][ T74] do_syscall_64+0xc6/0x1e0 [ 443.262893][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 443.262893][ T74] [ 443.264814][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 443.264814][ T74] neigh_parms_alloc+0x1e5/0x510 [ 443.264814][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 443.264814][ T74] ipv6_find_idev+0x102/0x170 [ 443.264814][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 443.264814][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 443.264814][ T74] netlink_rcv_skb+0x130/0x360 [ 443.264814][ T74] netlink_unicast+0x449/0x710 [ 443.264814][ T74] netlink_sendmsg+0x723/0xbe0 [ 443.264814][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 443.264814][ T74] ___sys_sendmsg+0xee/0x170 [ 443.264814][ T74] __sys_sendmsg+0xcd/0x170 [ 443.264814][ T74] do_syscall_64+0xc6/0x1e0 [ 443.264814][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 443.264814][ T74] [ 450.284542][ T3127] veth0: renamed from veth1 [ 453.383872][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 453.384383][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 453.384383][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 453.384383][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 453.384383][ T74] fib6_nh_init+0xa22/0x1580 [ 453.384383][ T74] ip6_route_info_create+0xf18/0x17d0 [ 453.384383][ T74] ip6_route_add+0x1c/0x140 [ 453.384383][ T74] inet6_rtm_newroute+0x104/0x110 [ 453.384383][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 453.384383][ T74] netlink_rcv_skb+0x130/0x360 [ 453.384383][ T74] netlink_unicast+0x449/0x710 [ 453.384383][ T74] netlink_sendmsg+0x723/0xbe0 [ 453.384383][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 453.384383][ T74] ___sys_sendmsg+0xee/0x170 [ 453.384383][ T74] __sys_sendmsg+0xcd/0x170 [ 453.384383][ T74] do_syscall_64+0xc6/0x1e0 [ 453.384383][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 453.384383][ T74] [ 453.387564][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 453.387564][ T74] netdev_get_by_index+0x5e/0x80 [ 453.387564][ T74] fib6_nh_init+0x3d8/0x1580 [ 453.387564][ T74] ip6_route_info_create+0xf18/0x17d0 [ 453.387564][ T74] addrconf_f6i_alloc+0x265/0x560 [ 453.387564][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 453.387564][ T74] addrconf_join_anycast+0x1c0/0x220 [ 453.387564][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 453.387564][ T74] addrconf_dad_completed+0x12b/0xe20 [ 453.387564][ T74] addrconf_dad_begin+0x310/0x670 [ 453.387564][ T74] addrconf_dad_work+0x10b/0xab0 [ 453.387564][ T74] process_one_work+0x84d/0x18a0 [ 453.387564][ T74] worker_thread+0x587/0xd30 [ 453.387564][ T74] kthread+0x28a/0x350 [ 453.387564][ T74] ret_from_fork+0x31/0x70 [ 453.387564][ T74] ret_from_fork_asm+0x1a/0x30 [ 453.387564][ T74] [ 453.390695][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 453.390695][ T74] netdev_get_by_index+0x5e/0x80 [ 453.390695][ T74] fib6_nh_init+0x3d8/0x1580 [ 453.390695][ T74] ip6_route_info_create+0xf18/0x17d0 [ 453.390695][ T74] ip6_route_add+0x1c/0x140 [ 453.390695][ T74] addrconf_prefix_route+0x2a6/0x430 [ 453.390695][ T74] inet6_addr_add+0x4f8/0xa40 [ 453.390695][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 453.390695][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 453.390695][ T74] netlink_rcv_skb+0x130/0x360 [ 453.390695][ T74] netlink_unicast+0x449/0x710 [ 453.390695][ T74] netlink_sendmsg+0x723/0xbe0 [ 453.390695][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 453.390695][ T74] ___sys_sendmsg+0xee/0x170 [ 453.390695][ T74] __sys_sendmsg+0xcd/0x170 [ 453.390695][ T74] do_syscall_64+0xc6/0x1e0 [ 453.390695][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 453.390695][ T74] [ 453.393965][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 453.393965][ T74] netdev_get_by_index+0x5e/0x80 [ 453.393965][ T74] fib6_nh_init+0x3d8/0x1580 [ 453.393965][ T74] ip6_route_info_create+0xf18/0x17d0 [ 453.393965][ T74] addrconf_f6i_alloc+0x315/0x560 [ 453.393965][ T74] ipv6_add_addr+0x411/0x2000 [ 453.393965][ T74] inet6_addr_add+0x30e/0xa40 [ 453.393965][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 453.393965][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 453.393965][ T74] netlink_rcv_skb+0x130/0x360 [ 453.393965][ T74] netlink_unicast+0x449/0x710 [ 453.393965][ T74] netlink_sendmsg+0x723/0xbe0 [ 453.393965][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 453.393965][ T74] ___sys_sendmsg+0xee/0x170 [ 453.393965][ T74] __sys_sendmsg+0xcd/0x170 [ 453.393965][ T74] do_syscall_64+0xc6/0x1e0 [ 453.393965][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 453.393965][ T74] [ 453.397245][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 453.397245][ T74] netdev_get_by_index+0x5e/0x80 [ 453.397245][ T74] fib6_nh_init+0x3d8/0x1580 [ 453.397245][ T74] ip6_route_info_create+0xf18/0x17d0 [ 453.397245][ T74] ip6_route_add+0x1c/0x140 [ 453.397245][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 453.397245][ T74] addrconf_add_dev+0xe2/0x170 [ 453.397245][ T74] inet6_addr_add+0x12f/0xa40 [ 453.397245][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 453.397245][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 453.397245][ T74] netlink_rcv_skb+0x130/0x360 [ 453.397245][ T74] netlink_unicast+0x449/0x710 [ 453.397245][ T74] netlink_sendmsg+0x723/0xbe0 [ 453.397245][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 453.397245][ T74] ___sys_sendmsg+0xee/0x170 [ 453.397245][ T74] __sys_sendmsg+0xcd/0x170 [ 453.397245][ T74] do_syscall_64+0xc6/0x1e0 [ 453.397245][ T74] [ 453.400449][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 453.400449][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 453.400449][ T74] ipv6_find_idev+0x102/0x170 [ 453.400449][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 453.400449][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 453.400449][ T74] netlink_rcv_skb+0x130/0x360 [ 453.400449][ T74] netlink_unicast+0x449/0x710 [ 453.400449][ T74] netlink_sendmsg+0x723/0xbe0 [ 453.400449][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 453.400449][ T74] ___sys_sendmsg+0xee/0x170 [ 453.400449][ T74] __sys_sendmsg+0xcd/0x170 [ 453.400449][ T74] do_syscall_64+0xc6/0x1e0 [ 453.400449][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 453.400449][ T74] [ 453.402941][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 453.402941][ T74] neigh_parms_alloc+0x1e5/0x510 [ 453.402941][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 453.402941][ T74] ipv6_find_idev+0x102/0x170 [ 453.402941][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 453.402941][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 453.402941][ T74] netlink_rcv_skb+0x130/0x360 [ 453.402941][ T74] netlink_unicast+0x449/0x710 [ 453.402941][ T74] netlink_sendmsg+0x723/0xbe0 [ 453.402941][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 453.402941][ T74] ___sys_sendmsg+0xee/0x170 [ 453.402941][ T74] __sys_sendmsg+0xcd/0x170 [ 453.402941][ T74] do_syscall_64+0xc6/0x1e0 [ 453.402941][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 453.402941][ T74] [ 453.405732][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 453.406199][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 453.406199][ T74] dst_init+0x84/0x4a0 [ 453.406199][ T74] dst_alloc+0x97/0x150 [ 453.406199][ T74] ip6_dst_alloc+0x23/0x90 [ 453.406199][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 453.406199][ T74] ip6_pol_route+0x56f/0x840 [ 453.406199][ T74] fib6_rule_lookup+0x456/0x630 [ 453.406199][ T74] ip6_route_input+0x59c/0xa50 [ 453.406199][ T74] ipv6_rcv+0x397/0x810 [ 453.406199][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 453.406199][ T74] process_backlog+0x101/0x620 [ 453.406199][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 453.406199][ T74] net_rx_action+0x495/0xbe0 [ 453.406199][ T74] __do_softirq+0x1b5/0x7f6 [ 453.406199][ T74] [ 453.408859][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 453.408859][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 453.408859][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 453.408859][ T74] fib6_nh_init+0xa22/0x1580 [ 453.408859][ T74] ip6_route_info_create+0xf18/0x17d0 [ 453.408859][ T74] ip6_route_add+0x1c/0x140 [ 453.408859][ T74] inet6_rtm_newroute+0x104/0x110 [ 453.408859][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 453.408859][ T74] netlink_rcv_skb+0x130/0x360 [ 453.408859][ T74] netlink_unicast+0x449/0x710 [ 453.408859][ T74] netlink_sendmsg+0x723/0xbe0 [ 453.408859][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 453.408859][ T74] ___sys_sendmsg+0xee/0x170 [ 453.408859][ T74] __sys_sendmsg+0xcd/0x170 [ 453.408859][ T74] do_syscall_64+0xc6/0x1e0 [ 453.408859][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 453.408859][ T74] [ 453.411916][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 453.411916][ T74] netdev_get_by_index+0x5e/0x80 [ 453.411916][ T74] fib6_nh_init+0x3d8/0x1580 [ 453.411916][ T74] ip6_route_info_create+0xf18/0x17d0 [ 453.411916][ T74] addrconf_f6i_alloc+0x265/0x560 [ 453.411916][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 453.411916][ T74] addrconf_join_anycast+0x1c0/0x220 [ 453.411916][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 453.411916][ T74] addrconf_dad_completed+0x12b/0xe20 [ 453.411916][ T74] addrconf_dad_begin+0x310/0x670 [ 453.411916][ T74] addrconf_dad_work+0x10b/0xab0 [ 453.411916][ T74] process_one_work+0x84d/0x18a0 [ 453.411916][ T74] worker_thread+0x587/0xd30 [ 453.411916][ T74] kthread+0x28a/0x350 [ 453.411916][ T74] ret_from_fork+0x31/0x70 [ 453.411916][ T74] ret_from_fork_asm+0x1a/0x30 [ 453.411916][ T74] [ 453.415008][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 453.415008][ T74] netdev_get_by_index+0x5e/0x80 [ 453.415008][ T74] fib6_nh_init+0x3d8/0x1580 [ 453.415008][ T74] ip6_route_info_create+0xf18/0x17d0 [ 453.415008][ T74] ip6_route_add+0x1c/0x140 [ 453.415008][ T74] addrconf_prefix_route+0x2a6/0x430 [ 453.415008][ T74] inet6_addr_add+0x4f8/0xa40 [ 453.415008][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 453.415008][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 453.415008][ T74] netlink_rcv_skb+0x130/0x360 [ 453.415008][ T74] netlink_unicast+0x449/0x710 [ 453.415008][ T74] netlink_sendmsg+0x723/0xbe0 [ 453.415008][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 453.415008][ T74] ___sys_sendmsg+0xee/0x170 [ 453.415008][ T74] __sys_sendmsg+0xcd/0x170 [ 453.415008][ T74] do_syscall_64+0xc6/0x1e0 [ 453.415008][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 453.415008][ T74] [ 453.418387][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 453.418387][ T74] netdev_get_by_index+0x5e/0x80 [ 453.418387][ T74] fib6_nh_init+0x3d8/0x1580 [ 453.418387][ T74] ip6_route_info_create+0xf18/0x17d0 [ 453.418387][ T74] addrconf_f6i_alloc+0x315/0x560 [ 453.418387][ T74] ipv6_add_addr+0x411/0x2000 [ 453.418387][ T74] inet6_addr_add+0x30e/0xa40 [ 453.418387][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 453.418387][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 453.418387][ T74] netlink_rcv_skb+0x130/0x360 [ 453.418387][ T74] netlink_unicast+0x449/0x710 [ 453.418387][ T74] netlink_sendmsg+0x723/0xbe0 [ 453.418387][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 453.418387][ T74] ___sys_sendmsg+0xee/0x170 [ 453.418387][ T74] __sys_sendmsg+0xcd/0x170 [ 453.418387][ T74] do_syscall_64+0xc6/0x1e0 [ 453.418387][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 453.418387][ T74] [ 453.421979][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 453.421979][ T74] netdev_get_by_index+0x5e/0x80 [ 453.421979][ T74] fib6_nh_init+0x3d8/0x1580 [ 453.421979][ T74] ip6_route_info_create+0xf18/0x17d0 [ 453.421979][ T74] ip6_route_add+0x1c/0x140 [ 453.421979][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 453.421979][ T74] addrconf_add_dev+0xe2/0x170 [ 453.421979][ T74] inet6_addr_add+0x12f/0xa40 [ 453.421979][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 453.421979][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 453.421979][ T74] netlink_rcv_skb+0x130/0x360 [ 453.421979][ T74] netlink_unicast+0x449/0x710 [ 453.421979][ T74] netlink_sendmsg+0x723/0xbe0 [ 453.421979][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 453.421979][ T74] ___sys_sendmsg+0xee/0x170 [ 453.421979][ T74] __sys_sendmsg+0xcd/0x170 [ 453.421979][ T74] do_syscall_64+0xc6/0x1e0 [ 453.421979][ T74] [ 453.425644][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 453.425644][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 453.425644][ T74] ipv6_find_idev+0x102/0x170 [ 453.425644][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 453.425644][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 453.425644][ T74] netlink_rcv_skb+0x130/0x360 [ 453.425644][ T74] netlink_unicast+0x449/0x710 [ 453.425644][ T74] netlink_sendmsg+0x723/0xbe0 [ 453.425644][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 453.425644][ T74] ___sys_sendmsg+0xee/0x170 [ 453.425644][ T74] __sys_sendmsg+0xcd/0x170 [ 453.425644][ T74] do_syscall_64+0xc6/0x1e0 [ 453.425644][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 453.425644][ T74] [ 453.428500][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 453.428500][ T74] neigh_parms_alloc+0x1e5/0x510 [ 453.428500][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 453.428500][ T74] ipv6_find_idev+0x102/0x170 [ 453.428500][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 453.428500][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 453.428500][ T74] netlink_rcv_skb+0x130/0x360 [ 453.428500][ T74] netlink_unicast+0x449/0x710 [ 453.428500][ T74] netlink_sendmsg+0x723/0xbe0 [ 453.428500][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 453.428500][ T74] ___sys_sendmsg+0xee/0x170 [ 453.428500][ T74] __sys_sendmsg+0xcd/0x170 [ 453.428500][ T74] do_syscall_64+0xc6/0x1e0 [ 453.428500][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 453.428500][ T74] [ 453.431656][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 453.432296][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 453.432296][ T74] netdev_get_by_index+0x5e/0x80 [ 453.432296][ T74] fib6_nh_init+0x3d8/0x1580 [ 453.432296][ T74] ip6_route_info_create+0xf18/0x17d0 [ 453.432296][ T74] ip6_route_add+0x1c/0x140 [ 453.432296][ T74] addrconf_prefix_route+0x2a6/0x430 [ 453.432296][ T74] inet6_addr_add+0x4f8/0xa40 [ 453.432296][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 453.432296][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 453.432296][ T74] netlink_rcv_skb+0x130/0x360 [ 453.432296][ T74] netlink_unicast+0x449/0x710 [ 453.432296][ T74] netlink_sendmsg+0x723/0xbe0 [ 453.432296][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 453.432296][ T74] ___sys_sendmsg+0xee/0x170 [ 453.432296][ T74] __sys_sendmsg+0xcd/0x170 [ 453.432296][ T74] do_syscall_64+0xc6/0x1e0 [ 453.432296][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 453.432296][ T74] [ 453.435472][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 453.435472][ T74] netdev_get_by_index+0x5e/0x80 [ 453.435472][ T74] fib6_nh_init+0x3d8/0x1580 [ 453.435472][ T74] ip6_route_info_create+0xf18/0x17d0 [ 453.435472][ T74] addrconf_f6i_alloc+0x315/0x560 [ 453.435472][ T74] ipv6_add_addr+0x411/0x2000 [ 453.435472][ T74] inet6_addr_add+0x30e/0xa40 [ 453.435472][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 453.435472][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 453.435472][ T74] netlink_rcv_skb+0x130/0x360 [ 453.435472][ T74] netlink_unicast+0x449/0x710 [ 453.435472][ T74] netlink_sendmsg+0x723/0xbe0 [ 453.435472][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 453.435472][ T74] ___sys_sendmsg+0xee/0x170 [ 453.435472][ T74] __sys_sendmsg+0xcd/0x170 [ 453.435472][ T74] do_syscall_64+0xc6/0x1e0 [ 453.435472][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 453.435472][ T74] [ 453.438812][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 453.438812][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 453.438812][ T74] ipv6_find_idev+0x102/0x170 [ 453.438812][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 453.438812][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 453.438812][ T74] netlink_rcv_skb+0x130/0x360 [ 453.438812][ T74] netlink_unicast+0x449/0x710 [ 453.438812][ T74] netlink_sendmsg+0x723/0xbe0 [ 453.438812][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 453.438812][ T74] ___sys_sendmsg+0xee/0x170 [ 453.438812][ T74] __sys_sendmsg+0xcd/0x170 [ 453.438812][ T74] do_syscall_64+0xc6/0x1e0 [ 453.438812][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 453.438812][ T74] [ 453.441617][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 453.441617][ T74] neigh_parms_alloc+0x1e5/0x510 [ 453.441617][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 453.441617][ T74] ipv6_find_idev+0x102/0x170 [ 453.441617][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 453.441617][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 453.441617][ T74] netlink_rcv_skb+0x130/0x360 [ 453.441617][ T74] netlink_unicast+0x449/0x710 [ 453.441617][ T74] netlink_sendmsg+0x723/0xbe0 [ 453.441617][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 453.441617][ T74] ___sys_sendmsg+0xee/0x170 [ 453.441617][ T74] __sys_sendmsg+0xcd/0x170 [ 453.441617][ T74] do_syscall_64+0xc6/0x1e0 [ 453.441617][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 453.441617][ T74] [ 454.372614][ T3153] br0: port 1(vx0) entered blocking state [ 454.372825][ T3153] br0: port 1(vx0) entered disabled state [ 454.373035][ T3153] vx0: entered allmulticast mode [ 454.374239][ T3153] vx0: entered promiscuous mode [ 454.376117][ T3153] br0: port 1(vx0) entered blocking state [ 454.376285][ T3153] br0: port 1(vx0) entered forwarding state [ 459.993736][ T3183] br0: port 1(vx0) entered blocking state [ 459.994440][ T3183] br0: port 1(vx0) entered disabled state [ 459.994626][ T3183] vx0: entered allmulticast mode [ 459.995819][ T3183] vx0: entered promiscuous mode [ 459.997676][ T3183] br0: port 1(vx0) entered blocking state [ 459.997853][ T3183] br0: port 1(vx0) entered forwarding state [ 463.592874][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 463.593223][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 463.593223][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 463.593223][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 463.593223][ T74] fib6_nh_init+0xa22/0x1580 [ 463.593223][ T74] ip6_route_info_create+0xf18/0x17d0 [ 463.593223][ T74] ip6_route_add+0x1c/0x140 [ 463.593223][ T74] inet6_rtm_newroute+0x104/0x110 [ 463.593223][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 463.593223][ T74] netlink_rcv_skb+0x130/0x360 [ 463.593223][ T74] netlink_unicast+0x449/0x710 [ 463.593223][ T74] netlink_sendmsg+0x723/0xbe0 [ 463.593223][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 463.593223][ T74] ___sys_sendmsg+0xee/0x170 [ 463.593223][ T74] __sys_sendmsg+0xcd/0x170 [ 463.593223][ T74] do_syscall_64+0xc6/0x1e0 [ 463.593223][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 463.593223][ T74] [ 463.595282][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 463.595282][ T74] netdev_get_by_index+0x5e/0x80 [ 463.595282][ T74] fib6_nh_init+0x3d8/0x1580 [ 463.595282][ T74] ip6_route_info_create+0xf18/0x17d0 [ 463.595282][ T74] addrconf_f6i_alloc+0x265/0x560 [ 463.595282][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 463.595282][ T74] addrconf_join_anycast+0x1c0/0x220 [ 463.595282][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 463.595282][ T74] addrconf_dad_completed+0x12b/0xe20 [ 463.595282][ T74] addrconf_dad_begin+0x310/0x670 [ 463.595282][ T74] addrconf_dad_work+0x10b/0xab0 [ 463.595282][ T74] process_one_work+0x84d/0x18a0 [ 463.595282][ T74] worker_thread+0x587/0xd30 [ 463.595282][ T74] kthread+0x28a/0x350 [ 463.595282][ T74] ret_from_fork+0x31/0x70 [ 463.595282][ T74] ret_from_fork_asm+0x1a/0x30 [ 463.595282][ T74] [ 463.597333][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 463.597333][ T74] netdev_get_by_index+0x5e/0x80 [ 463.597333][ T74] fib6_nh_init+0x3d8/0x1580 [ 463.597333][ T74] ip6_route_info_create+0xf18/0x17d0 [ 463.597333][ T74] ip6_route_add+0x1c/0x140 [ 463.597333][ T74] addrconf_prefix_route+0x2a6/0x430 [ 463.597333][ T74] inet6_addr_add+0x4f8/0xa40 [ 463.597333][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 463.597333][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 463.597333][ T74] netlink_rcv_skb+0x130/0x360 [ 463.597333][ T74] netlink_unicast+0x449/0x710 [ 463.597333][ T74] netlink_sendmsg+0x723/0xbe0 [ 463.597333][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 463.597333][ T74] ___sys_sendmsg+0xee/0x170 [ 463.597333][ T74] __sys_sendmsg+0xcd/0x170 [ 463.597333][ T74] do_syscall_64+0xc6/0x1e0 [ 463.597333][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 463.597333][ T74] [ 463.599465][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 463.599465][ T74] netdev_get_by_index+0x5e/0x80 [ 463.599465][ T74] fib6_nh_init+0x3d8/0x1580 [ 463.599465][ T74] ip6_route_info_create+0xf18/0x17d0 [ 463.599465][ T74] addrconf_f6i_alloc+0x315/0x560 [ 463.599465][ T74] ipv6_add_addr+0x411/0x2000 [ 463.599465][ T74] inet6_addr_add+0x30e/0xa40 [ 463.599465][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 463.599465][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 463.599465][ T74] netlink_rcv_skb+0x130/0x360 [ 463.599465][ T74] netlink_unicast+0x449/0x710 [ 463.599465][ T74] netlink_sendmsg+0x723/0xbe0 [ 463.599465][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 463.599465][ T74] ___sys_sendmsg+0xee/0x170 [ 463.599465][ T74] __sys_sendmsg+0xcd/0x170 [ 463.599465][ T74] do_syscall_64+0xc6/0x1e0 [ 463.599465][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 463.599465][ T74] [ 463.601515][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 463.601515][ T74] netdev_get_by_index+0x5e/0x80 [ 463.601515][ T74] fib6_nh_init+0x3d8/0x1580 [ 463.601515][ T74] ip6_route_info_create+0xf18/0x17d0 [ 463.601515][ T74] ip6_route_add+0x1c/0x140 [ 463.601515][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 463.601515][ T74] addrconf_add_dev+0xe2/0x170 [ 463.601515][ T74] inet6_addr_add+0x12f/0xa40 [ 463.601515][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 463.601515][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 463.601515][ T74] netlink_rcv_skb+0x130/0x360 [ 463.601515][ T74] netlink_unicast+0x449/0x710 [ 463.601515][ T74] netlink_sendmsg+0x723/0xbe0 [ 463.601515][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 463.601515][ T74] ___sys_sendmsg+0xee/0x170 [ 463.601515][ T74] __sys_sendmsg+0xcd/0x170 [ 463.601515][ T74] do_syscall_64+0xc6/0x1e0 [ 463.601515][ T74] [ 463.603535][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 463.603535][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 463.603535][ T74] ipv6_find_idev+0x102/0x170 [ 463.603535][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 463.603535][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 463.603535][ T74] netlink_rcv_skb+0x130/0x360 [ 463.603535][ T74] netlink_unicast+0x449/0x710 [ 463.603535][ T74] netlink_sendmsg+0x723/0xbe0 [ 463.603535][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 463.603535][ T74] ___sys_sendmsg+0xee/0x170 [ 463.603535][ T74] __sys_sendmsg+0xcd/0x170 [ 463.603535][ T74] do_syscall_64+0xc6/0x1e0 [ 463.603535][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 463.603535][ T74] [ 463.605127][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 463.605127][ T74] neigh_parms_alloc+0x1e5/0x510 [ 463.605127][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 463.605127][ T74] ipv6_find_idev+0x102/0x170 [ 463.605127][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 463.605127][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 463.605127][ T74] netlink_rcv_skb+0x130/0x360 [ 463.605127][ T74] netlink_unicast+0x449/0x710 [ 463.605127][ T74] netlink_sendmsg+0x723/0xbe0 [ 463.605127][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 463.605127][ T74] ___sys_sendmsg+0xee/0x170 [ 463.605127][ T74] __sys_sendmsg+0xcd/0x170 [ 463.605127][ T74] do_syscall_64+0xc6/0x1e0 [ 463.605127][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 463.605127][ T74] [ 463.606989][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 463.607297][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 463.607297][ T74] dst_init+0x84/0x4a0 [ 463.607297][ T74] dst_alloc+0x97/0x150 [ 463.607297][ T74] ip6_dst_alloc+0x23/0x90 [ 463.607297][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 463.607297][ T74] ip6_pol_route+0x56f/0x840 [ 463.607297][ T74] fib6_rule_lookup+0x456/0x630 [ 463.607297][ T74] ip6_route_input+0x59c/0xa50 [ 463.607297][ T74] ipv6_rcv+0x397/0x810 [ 463.607297][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 463.607297][ T74] process_backlog+0x101/0x620 [ 463.607297][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 463.607297][ T74] net_rx_action+0x495/0xbe0 [ 463.607297][ T74] __do_softirq+0x1b5/0x7f6 [ 463.607297][ T74] [ 463.608999][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 463.608999][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 463.608999][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 463.608999][ T74] fib6_nh_init+0xa22/0x1580 [ 463.608999][ T74] ip6_route_info_create+0xf18/0x17d0 [ 463.608999][ T74] ip6_route_add+0x1c/0x140 [ 463.608999][ T74] inet6_rtm_newroute+0x104/0x110 [ 463.608999][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 463.608999][ T74] netlink_rcv_skb+0x130/0x360 [ 463.608999][ T74] netlink_unicast+0x449/0x710 [ 463.608999][ T74] netlink_sendmsg+0x723/0xbe0 [ 463.608999][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 463.608999][ T74] ___sys_sendmsg+0xee/0x170 [ 463.608999][ T74] __sys_sendmsg+0xcd/0x170 [ 463.608999][ T74] do_syscall_64+0xc6/0x1e0 [ 463.608999][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 463.608999][ T74] [ 463.610972][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 463.610972][ T74] netdev_get_by_index+0x5e/0x80 [ 463.610972][ T74] fib6_nh_init+0x3d8/0x1580 [ 463.610972][ T74] ip6_route_info_create+0xf18/0x17d0 [ 463.610972][ T74] addrconf_f6i_alloc+0x265/0x560 [ 463.610972][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 463.610972][ T74] addrconf_join_anycast+0x1c0/0x220 [ 463.610972][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 463.610972][ T74] addrconf_dad_completed+0x12b/0xe20 [ 463.610972][ T74] addrconf_dad_begin+0x310/0x670 [ 463.610972][ T74] addrconf_dad_work+0x10b/0xab0 [ 463.610972][ T74] process_one_work+0x84d/0x18a0 [ 463.610972][ T74] worker_thread+0x587/0xd30 [ 463.610972][ T74] kthread+0x28a/0x350 [ 463.610972][ T74] ret_from_fork+0x31/0x70 [ 463.610972][ T74] ret_from_fork_asm+0x1a/0x30 [ 463.610972][ T74] [ 463.612936][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 463.612936][ T74] netdev_get_by_index+0x5e/0x80 [ 463.612936][ T74] fib6_nh_init+0x3d8/0x1580 [ 463.612936][ T74] ip6_route_info_create+0xf18/0x17d0 [ 463.612936][ T74] ip6_route_add+0x1c/0x140 [ 463.612936][ T74] addrconf_prefix_route+0x2a6/0x430 [ 463.612936][ T74] inet6_addr_add+0x4f8/0xa40 [ 463.612936][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 463.612936][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 463.612936][ T74] netlink_rcv_skb+0x130/0x360 [ 463.612936][ T74] netlink_unicast+0x449/0x710 [ 463.612936][ T74] netlink_sendmsg+0x723/0xbe0 [ 463.612936][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 463.612936][ T74] ___sys_sendmsg+0xee/0x170 [ 463.612936][ T74] __sys_sendmsg+0xcd/0x170 [ 463.612936][ T74] do_syscall_64+0xc6/0x1e0 [ 463.612936][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 463.612936][ T74] [ 463.615066][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 463.615066][ T74] netdev_get_by_index+0x5e/0x80 [ 463.615066][ T74] fib6_nh_init+0x3d8/0x1580 [ 463.615066][ T74] ip6_route_info_create+0xf18/0x17d0 [ 463.615066][ T74] addrconf_f6i_alloc+0x315/0x560 [ 463.615066][ T74] ipv6_add_addr+0x411/0x2000 [ 463.615066][ T74] inet6_addr_add+0x30e/0xa40 [ 463.615066][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 463.615066][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 463.615066][ T74] netlink_rcv_skb+0x130/0x360 [ 463.615066][ T74] netlink_unicast+0x449/0x710 [ 463.615066][ T74] netlink_sendmsg+0x723/0xbe0 [ 463.615066][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 463.615066][ T74] ___sys_sendmsg+0xee/0x170 [ 463.615066][ T74] __sys_sendmsg+0xcd/0x170 [ 463.615066][ T74] do_syscall_64+0xc6/0x1e0 [ 463.615066][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 463.615066][ T74] [ 463.617176][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 463.617176][ T74] netdev_get_by_index+0x5e/0x80 [ 463.617176][ T74] fib6_nh_init+0x3d8/0x1580 [ 463.617176][ T74] ip6_route_info_create+0xf18/0x17d0 [ 463.617176][ T74] ip6_route_add+0x1c/0x140 [ 463.617176][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 463.617176][ T74] addrconf_add_dev+0xe2/0x170 [ 463.617176][ T74] inet6_addr_add+0x12f/0xa40 [ 463.617176][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 463.617176][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 463.617176][ T74] netlink_rcv_skb+0x130/0x360 [ 463.617176][ T74] netlink_unicast+0x449/0x710 [ 463.617176][ T74] netlink_sendmsg+0x723/0xbe0 [ 463.617176][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 463.617176][ T74] ___sys_sendmsg+0xee/0x170 [ 463.617176][ T74] __sys_sendmsg+0xcd/0x170 [ 463.617176][ T74] do_syscall_64+0xc6/0x1e0 [ 463.617176][ T74] [ 463.619381][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 463.619381][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 463.619381][ T74] ipv6_find_idev+0x102/0x170 [ 463.619381][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 463.619381][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 463.619381][ T74] netlink_rcv_skb+0x130/0x360 [ 463.619381][ T74] netlink_unicast+0x449/0x710 [ 463.619381][ T74] netlink_sendmsg+0x723/0xbe0 [ 463.619381][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 463.619381][ T74] ___sys_sendmsg+0xee/0x170 [ 463.619381][ T74] __sys_sendmsg+0xcd/0x170 [ 463.619381][ T74] do_syscall_64+0xc6/0x1e0 [ 463.619381][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 463.619381][ T74] [ 463.621198][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 463.621198][ T74] neigh_parms_alloc+0x1e5/0x510 [ 463.621198][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 463.621198][ T74] ipv6_find_idev+0x102/0x170 [ 463.621198][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 463.621198][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 463.621198][ T74] netlink_rcv_skb+0x130/0x360 [ 463.621198][ T74] netlink_unicast+0x449/0x710 [ 463.621198][ T74] netlink_sendmsg+0x723/0xbe0 [ 463.621198][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 463.621198][ T74] ___sys_sendmsg+0xee/0x170 [ 463.621198][ T74] __sys_sendmsg+0xcd/0x170 [ 463.621198][ T74] do_syscall_64+0xc6/0x1e0 [ 463.621198][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 463.621198][ T74] [ 463.623154][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 463.623412][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 463.623412][ T74] netdev_get_by_index+0x5e/0x80 [ 463.623412][ T74] fib6_nh_init+0x3d8/0x1580 [ 463.623412][ T74] ip6_route_info_create+0xf18/0x17d0 [ 463.623412][ T74] ip6_route_add+0x1c/0x140 [ 463.623412][ T74] addrconf_prefix_route+0x2a6/0x430 [ 463.623412][ T74] inet6_addr_add+0x4f8/0xa40 [ 463.623412][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 463.623412][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 463.623412][ T74] netlink_rcv_skb+0x130/0x360 [ 463.623412][ T74] netlink_unicast+0x449/0x710 [ 463.623412][ T74] netlink_sendmsg+0x723/0xbe0 [ 463.623412][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 463.623412][ T74] ___sys_sendmsg+0xee/0x170 [ 463.623412][ T74] __sys_sendmsg+0xcd/0x170 [ 463.623412][ T74] do_syscall_64+0xc6/0x1e0 [ 463.623412][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 463.623412][ T74] [ 463.626525][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 463.626525][ T74] netdev_get_by_index+0x5e/0x80 [ 463.626525][ T74] fib6_nh_init+0x3d8/0x1580 [ 463.626525][ T74] ip6_route_info_create+0xf18/0x17d0 [ 463.626525][ T74] addrconf_f6i_alloc+0x315/0x560 [ 463.626525][ T74] ipv6_add_addr+0x411/0x2000 [ 463.626525][ T74] inet6_addr_add+0x30e/0xa40 [ 463.626525][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 463.626525][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 463.626525][ T74] netlink_rcv_skb+0x130/0x360 [ 463.626525][ T74] netlink_unicast+0x449/0x710 [ 463.626525][ T74] netlink_sendmsg+0x723/0xbe0 [ 463.626525][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 463.626525][ T74] ___sys_sendmsg+0xee/0x170 [ 463.626525][ T74] __sys_sendmsg+0xcd/0x170 [ 463.626525][ T74] do_syscall_64+0xc6/0x1e0 [ 463.626525][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 463.626525][ T74] [ 463.629829][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 463.629829][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 463.629829][ T74] ipv6_find_idev+0x102/0x170 [ 463.629829][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 463.629829][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 463.629829][ T74] netlink_rcv_skb+0x130/0x360 [ 463.629829][ T74] netlink_unicast+0x449/0x710 [ 463.629829][ T74] netlink_sendmsg+0x723/0xbe0 [ 463.629829][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 463.629829][ T74] ___sys_sendmsg+0xee/0x170 [ 463.629829][ T74] __sys_sendmsg+0xcd/0x170 [ 463.629829][ T74] do_syscall_64+0xc6/0x1e0 [ 463.629829][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 463.629829][ T74] [ 463.632429][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 463.632429][ T74] neigh_parms_alloc+0x1e5/0x510 [ 463.632429][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 463.632429][ T74] ipv6_find_idev+0x102/0x170 [ 463.632429][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 463.632429][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 463.632429][ T74] netlink_rcv_skb+0x130/0x360 [ 463.632429][ T74] netlink_unicast+0x449/0x710 [ 463.632429][ T74] netlink_sendmsg+0x723/0xbe0 [ 463.632429][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 463.632429][ T74] ___sys_sendmsg+0xee/0x170 [ 463.632429][ T74] __sys_sendmsg+0xcd/0x170 [ 463.632429][ T74] do_syscall_64+0xc6/0x1e0 [ 463.632429][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 463.632429][ T74] [ 464.148466][ T3215] veth0: renamed from veth1 [ 468.123616][ T3242] br0: port 1(vx0) entered blocking state [ 468.123828][ T3242] br0: port 1(vx0) entered disabled state [ 468.124571][ T3242] vx0: entered allmulticast mode [ 468.125798][ T3242] vx0: entered promiscuous mode [ 468.127739][ T3242] br0: port 1(vx0) entered blocking state [ 468.127928][ T3242] br0: port 1(vx0) entered forwarding state [ 473.776982][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 473.777346][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 473.777346][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 473.777346][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 473.777346][ T74] fib6_nh_init+0xa22/0x1580 [ 473.777346][ T74] ip6_route_info_create+0xf18/0x17d0 [ 473.777346][ T74] ip6_route_add+0x1c/0x140 [ 473.777346][ T74] inet6_rtm_newroute+0x104/0x110 [ 473.777346][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 473.777346][ T74] netlink_rcv_skb+0x130/0x360 [ 473.777346][ T74] netlink_unicast+0x449/0x710 [ 473.777346][ T74] netlink_sendmsg+0x723/0xbe0 [ 473.777346][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 473.777346][ T74] ___sys_sendmsg+0xee/0x170 [ 473.777346][ T74] __sys_sendmsg+0xcd/0x170 [ 473.777346][ T74] do_syscall_64+0xc6/0x1e0 [ 473.777346][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 473.777346][ T74] [ 473.779389][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 473.779389][ T74] netdev_get_by_index+0x5e/0x80 [ 473.779389][ T74] fib6_nh_init+0x3d8/0x1580 [ 473.779389][ T74] ip6_route_info_create+0xf18/0x17d0 [ 473.779389][ T74] addrconf_f6i_alloc+0x265/0x560 [ 473.779389][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 473.779389][ T74] addrconf_join_anycast+0x1c0/0x220 [ 473.779389][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 473.779389][ T74] addrconf_dad_completed+0x12b/0xe20 [ 473.779389][ T74] addrconf_dad_begin+0x310/0x670 [ 473.779389][ T74] addrconf_dad_work+0x10b/0xab0 [ 473.779389][ T74] process_one_work+0x84d/0x18a0 [ 473.779389][ T74] worker_thread+0x587/0xd30 [ 473.779389][ T74] kthread+0x28a/0x350 [ 473.779389][ T74] ret_from_fork+0x31/0x70 [ 473.779389][ T74] ret_from_fork_asm+0x1a/0x30 [ 473.779389][ T74] [ 473.781363][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 473.781363][ T74] netdev_get_by_index+0x5e/0x80 [ 473.781363][ T74] fib6_nh_init+0x3d8/0x1580 [ 473.781363][ T74] ip6_route_info_create+0xf18/0x17d0 [ 473.781363][ T74] ip6_route_add+0x1c/0x140 [ 473.781363][ T74] addrconf_prefix_route+0x2a6/0x430 [ 473.781363][ T74] inet6_addr_add+0x4f8/0xa40 [ 473.781363][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 473.781363][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 473.781363][ T74] netlink_rcv_skb+0x130/0x360 [ 473.781363][ T74] netlink_unicast+0x449/0x710 [ 473.781363][ T74] netlink_sendmsg+0x723/0xbe0 [ 473.781363][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 473.781363][ T74] ___sys_sendmsg+0xee/0x170 [ 473.781363][ T74] __sys_sendmsg+0xcd/0x170 [ 473.781363][ T74] do_syscall_64+0xc6/0x1e0 [ 473.781363][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 473.781363][ T74] [ 473.783396][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 473.783396][ T74] netdev_get_by_index+0x5e/0x80 [ 473.783396][ T74] fib6_nh_init+0x3d8/0x1580 [ 473.783396][ T74] ip6_route_info_create+0xf18/0x17d0 [ 473.783396][ T74] addrconf_f6i_alloc+0x315/0x560 [ 473.783396][ T74] ipv6_add_addr+0x411/0x2000 [ 473.783396][ T74] inet6_addr_add+0x30e/0xa40 [ 473.783396][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 473.783396][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 473.783396][ T74] netlink_rcv_skb+0x130/0x360 [ 473.783396][ T74] netlink_unicast+0x449/0x710 [ 473.783396][ T74] netlink_sendmsg+0x723/0xbe0 [ 473.783396][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 473.783396][ T74] ___sys_sendmsg+0xee/0x170 [ 473.783396][ T74] __sys_sendmsg+0xcd/0x170 [ 473.783396][ T74] do_syscall_64+0xc6/0x1e0 [ 473.783396][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 473.783396][ T74] [ 473.785420][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 473.785420][ T74] netdev_get_by_index+0x5e/0x80 [ 473.785420][ T74] fib6_nh_init+0x3d8/0x1580 [ 473.785420][ T74] ip6_route_info_create+0xf18/0x17d0 [ 473.785420][ T74] ip6_route_add+0x1c/0x140 [ 473.785420][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 473.785420][ T74] addrconf_add_dev+0xe2/0x170 [ 473.785420][ T74] inet6_addr_add+0x12f/0xa40 [ 473.785420][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 473.785420][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 473.785420][ T74] netlink_rcv_skb+0x130/0x360 [ 473.785420][ T74] netlink_unicast+0x449/0x710 [ 473.785420][ T74] netlink_sendmsg+0x723/0xbe0 [ 473.785420][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 473.785420][ T74] ___sys_sendmsg+0xee/0x170 [ 473.785420][ T74] __sys_sendmsg+0xcd/0x170 [ 473.785420][ T74] do_syscall_64+0xc6/0x1e0 [ 473.785420][ T74] [ 473.787410][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 473.787410][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 473.787410][ T74] ipv6_find_idev+0x102/0x170 [ 473.787410][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 473.787410][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 473.787410][ T74] netlink_rcv_skb+0x130/0x360 [ 473.787410][ T74] netlink_unicast+0x449/0x710 [ 473.787410][ T74] netlink_sendmsg+0x723/0xbe0 [ 473.787410][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 473.787410][ T74] ___sys_sendmsg+0xee/0x170 [ 473.787410][ T74] __sys_sendmsg+0xcd/0x170 [ 473.787410][ T74] do_syscall_64+0xc6/0x1e0 [ 473.787410][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 473.787410][ T74] [ 473.788988][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 473.788988][ T74] neigh_parms_alloc+0x1e5/0x510 [ 473.788988][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 473.788988][ T74] ipv6_find_idev+0x102/0x170 [ 473.788988][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 473.788988][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 473.788988][ T74] netlink_rcv_skb+0x130/0x360 [ 473.788988][ T74] netlink_unicast+0x449/0x710 [ 473.788988][ T74] netlink_sendmsg+0x723/0xbe0 [ 473.788988][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 473.788988][ T74] ___sys_sendmsg+0xee/0x170 [ 473.788988][ T74] __sys_sendmsg+0xcd/0x170 [ 473.788988][ T74] do_syscall_64+0xc6/0x1e0 [ 473.788988][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 473.788988][ T74] [ 473.790710][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 473.791013][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 473.791013][ T74] dst_init+0x84/0x4a0 [ 473.791013][ T74] dst_alloc+0x97/0x150 [ 473.791013][ T74] ip6_dst_alloc+0x23/0x90 [ 473.791013][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 473.791013][ T74] ip6_pol_route+0x56f/0x840 [ 473.791013][ T74] fib6_rule_lookup+0x456/0x630 [ 473.791013][ T74] ip6_route_input+0x59c/0xa50 [ 473.791013][ T74] ipv6_rcv+0x397/0x810 [ 473.791013][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 473.791013][ T74] process_backlog+0x101/0x620 [ 473.791013][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 473.791013][ T74] net_rx_action+0x495/0xbe0 [ 473.791013][ T74] __do_softirq+0x1b5/0x7f6 [ 473.791013][ T74] [ 473.792707][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 473.792707][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 473.792707][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 473.792707][ T74] fib6_nh_init+0xa22/0x1580 [ 473.792707][ T74] ip6_route_info_create+0xf18/0x17d0 [ 473.792707][ T74] ip6_route_add+0x1c/0x140 [ 473.792707][ T74] inet6_rtm_newroute+0x104/0x110 [ 473.792707][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 473.792707][ T74] netlink_rcv_skb+0x130/0x360 [ 473.792707][ T74] netlink_unicast+0x449/0x710 [ 473.792707][ T74] netlink_sendmsg+0x723/0xbe0 [ 473.792707][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 473.792707][ T74] ___sys_sendmsg+0xee/0x170 [ 473.792707][ T74] __sys_sendmsg+0xcd/0x170 [ 473.792707][ T74] do_syscall_64+0xc6/0x1e0 [ 473.792707][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 473.792707][ T74] [ 473.794653][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 473.794653][ T74] netdev_get_by_index+0x5e/0x80 [ 473.794653][ T74] fib6_nh_init+0x3d8/0x1580 [ 473.794653][ T74] ip6_route_info_create+0xf18/0x17d0 [ 473.794653][ T74] addrconf_f6i_alloc+0x265/0x560 [ 473.794653][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 473.794653][ T74] addrconf_join_anycast+0x1c0/0x220 [ 473.794653][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 473.794653][ T74] addrconf_dad_completed+0x12b/0xe20 [ 473.794653][ T74] addrconf_dad_begin+0x310/0x670 [ 473.794653][ T74] addrconf_dad_work+0x10b/0xab0 [ 473.794653][ T74] process_one_work+0x84d/0x18a0 [ 473.794653][ T74] worker_thread+0x587/0xd30 [ 473.794653][ T74] kthread+0x28a/0x350 [ 473.794653][ T74] ret_from_fork+0x31/0x70 [ 473.794653][ T74] ret_from_fork_asm+0x1a/0x30 [ 473.794653][ T74] [ 473.796603][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 473.796603][ T74] netdev_get_by_index+0x5e/0x80 [ 473.796603][ T74] fib6_nh_init+0x3d8/0x1580 [ 473.796603][ T74] ip6_route_info_create+0xf18/0x17d0 [ 473.796603][ T74] ip6_route_add+0x1c/0x140 [ 473.796603][ T74] addrconf_prefix_route+0x2a6/0x430 [ 473.796603][ T74] inet6_addr_add+0x4f8/0xa40 [ 473.796603][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 473.796603][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 473.796603][ T74] netlink_rcv_skb+0x130/0x360 [ 473.796603][ T74] netlink_unicast+0x449/0x710 [ 473.796603][ T74] netlink_sendmsg+0x723/0xbe0 [ 473.796603][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 473.796603][ T74] ___sys_sendmsg+0xee/0x170 [ 473.796603][ T74] __sys_sendmsg+0xcd/0x170 [ 473.796603][ T74] do_syscall_64+0xc6/0x1e0 [ 473.796603][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 473.796603][ T74] [ 473.798789][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 473.798789][ T74] netdev_get_by_index+0x5e/0x80 [ 473.798789][ T74] fib6_nh_init+0x3d8/0x1580 [ 473.798789][ T74] ip6_route_info_create+0xf18/0x17d0 [ 473.798789][ T74] addrconf_f6i_alloc+0x315/0x560 [ 473.798789][ T74] ipv6_add_addr+0x411/0x2000 [ 473.798789][ T74] inet6_addr_add+0x30e/0xa40 [ 473.798789][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 473.798789][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 473.798789][ T74] netlink_rcv_skb+0x130/0x360 [ 473.798789][ T74] netlink_unicast+0x449/0x710 [ 473.798789][ T74] netlink_sendmsg+0x723/0xbe0 [ 473.798789][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 473.798789][ T74] ___sys_sendmsg+0xee/0x170 [ 473.798789][ T74] __sys_sendmsg+0xcd/0x170 [ 473.798789][ T74] do_syscall_64+0xc6/0x1e0 [ 473.798789][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 473.798789][ T74] [ 473.801157][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 473.801157][ T74] netdev_get_by_index+0x5e/0x80 [ 473.801157][ T74] fib6_nh_init+0x3d8/0x1580 [ 473.801157][ T74] ip6_route_info_create+0xf18/0x17d0 [ 473.801157][ T74] ip6_route_add+0x1c/0x140 [ 473.801157][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 473.801157][ T74] addrconf_add_dev+0xe2/0x170 [ 473.801157][ T74] inet6_addr_add+0x12f/0xa40 [ 473.801157][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 473.801157][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 473.801157][ T74] netlink_rcv_skb+0x130/0x360 [ 473.801157][ T74] netlink_unicast+0x449/0x710 [ 473.801157][ T74] netlink_sendmsg+0x723/0xbe0 [ 473.801157][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 473.801157][ T74] ___sys_sendmsg+0xee/0x170 [ 473.801157][ T74] __sys_sendmsg+0xcd/0x170 [ 473.801157][ T74] do_syscall_64+0xc6/0x1e0 [ 473.801157][ T74] [ 473.803330][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 473.803330][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 473.803330][ T74] ipv6_find_idev+0x102/0x170 [ 473.803330][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 473.803330][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 473.803330][ T74] netlink_rcv_skb+0x130/0x360 [ 473.803330][ T74] netlink_unicast+0x449/0x710 [ 473.803330][ T74] netlink_sendmsg+0x723/0xbe0 [ 473.803330][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 473.803330][ T74] ___sys_sendmsg+0xee/0x170 [ 473.803330][ T74] __sys_sendmsg+0xcd/0x170 [ 473.803330][ T74] do_syscall_64+0xc6/0x1e0 [ 473.803330][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 473.803330][ T74] [ 473.805050][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 473.805050][ T74] neigh_parms_alloc+0x1e5/0x510 [ 473.805050][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 473.805050][ T74] ipv6_find_idev+0x102/0x170 [ 473.805050][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 473.805050][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 473.805050][ T74] netlink_rcv_skb+0x130/0x360 [ 473.805050][ T74] netlink_unicast+0x449/0x710 [ 473.805050][ T74] netlink_sendmsg+0x723/0xbe0 [ 473.805050][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 473.805050][ T74] ___sys_sendmsg+0xee/0x170 [ 473.805050][ T74] __sys_sendmsg+0xcd/0x170 [ 473.805050][ T74] do_syscall_64+0xc6/0x1e0 [ 473.805050][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 473.805050][ T74] [ 473.806900][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 473.807253][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 473.807253][ T74] netdev_get_by_index+0x5e/0x80 [ 473.807253][ T74] fib6_nh_init+0x3d8/0x1580 [ 473.807253][ T74] ip6_route_info_create+0xf18/0x17d0 [ 473.807253][ T74] ip6_route_add+0x1c/0x140 [ 473.807253][ T74] addrconf_prefix_route+0x2a6/0x430 [ 473.807253][ T74] inet6_addr_add+0x4f8/0xa40 [ 473.807253][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 473.807253][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 473.807253][ T74] netlink_rcv_skb+0x130/0x360 [ 473.807253][ T74] netlink_unicast+0x449/0x710 [ 473.807253][ T74] netlink_sendmsg+0x723/0xbe0 [ 473.807253][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 473.807253][ T74] ___sys_sendmsg+0xee/0x170 [ 473.807253][ T74] __sys_sendmsg+0xcd/0x170 [ 473.807253][ T74] do_syscall_64+0xc6/0x1e0 [ 473.807253][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 473.807253][ T74] [ 473.809478][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 473.809478][ T74] netdev_get_by_index+0x5e/0x80 [ 473.809478][ T74] fib6_nh_init+0x3d8/0x1580 [ 473.809478][ T74] ip6_route_info_create+0xf18/0x17d0 [ 473.809478][ T74] addrconf_f6i_alloc+0x315/0x560 [ 473.809478][ T74] ipv6_add_addr+0x411/0x2000 [ 473.809478][ T74] inet6_addr_add+0x30e/0xa40 [ 473.809478][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 473.809478][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 473.809478][ T74] netlink_rcv_skb+0x130/0x360 [ 473.809478][ T74] netlink_unicast+0x449/0x710 [ 473.809478][ T74] netlink_sendmsg+0x723/0xbe0 [ 473.809478][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 473.809478][ T74] ___sys_sendmsg+0xee/0x170 [ 473.809478][ T74] __sys_sendmsg+0xcd/0x170 [ 473.809478][ T74] do_syscall_64+0xc6/0x1e0 [ 473.809478][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 473.809478][ T74] [ 473.811810][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 473.811810][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 473.811810][ T74] ipv6_find_idev+0x102/0x170 [ 473.811810][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 473.811810][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 473.811810][ T74] netlink_rcv_skb+0x130/0x360 [ 473.811810][ T74] netlink_unicast+0x449/0x710 [ 473.811810][ T74] netlink_sendmsg+0x723/0xbe0 [ 473.811810][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 473.811810][ T74] ___sys_sendmsg+0xee/0x170 [ 473.811810][ T74] __sys_sendmsg+0xcd/0x170 [ 473.811810][ T74] do_syscall_64+0xc6/0x1e0 [ 473.811810][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 473.811810][ T74] [ 473.813589][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 473.813589][ T74] neigh_parms_alloc+0x1e5/0x510 [ 473.813589][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 473.813589][ T74] ipv6_find_idev+0x102/0x170 [ 473.813589][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 473.813589][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 473.813589][ T74] netlink_rcv_skb+0x130/0x360 [ 473.813589][ T74] netlink_unicast+0x449/0x710 [ 473.813589][ T74] netlink_sendmsg+0x723/0xbe0 [ 473.813589][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 473.813589][ T74] ___sys_sendmsg+0xee/0x170 [ 473.813589][ T74] __sys_sendmsg+0xcd/0x170 [ 473.813589][ T74] do_syscall_64+0xc6/0x1e0 [ 473.813589][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 473.813589][ T74] [ 473.854270][ T3272] br0: port 1(vx0) entered blocking state [ 473.854477][ T3272] br0: port 1(vx0) entered disabled state [ 473.854655][ T3272] vx0: entered allmulticast mode [ 473.855986][ T3272] vx0: entered promiscuous mode [ 473.859047][ T3272] br0: port 1(vx0) entered blocking state [ 473.859225][ T3272] br0: port 1(vx0) entered forwarding state [ 484.063893][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 484.064239][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 484.064239][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 484.064239][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 484.064239][ T74] fib6_nh_init+0xa22/0x1580 [ 484.064239][ T74] ip6_route_info_create+0xf18/0x17d0 [ 484.064239][ T74] ip6_route_add+0x1c/0x140 [ 484.064239][ T74] inet6_rtm_newroute+0x104/0x110 [ 484.064239][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 484.064239][ T74] netlink_rcv_skb+0x130/0x360 [ 484.064239][ T74] netlink_unicast+0x449/0x710 [ 484.064239][ T74] netlink_sendmsg+0x723/0xbe0 [ 484.064239][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 484.064239][ T74] ___sys_sendmsg+0xee/0x170 [ 484.064239][ T74] __sys_sendmsg+0xcd/0x170 [ 484.064239][ T74] do_syscall_64+0xc6/0x1e0 [ 484.064239][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 484.064239][ T74] [ 484.066262][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 484.066262][ T74] netdev_get_by_index+0x5e/0x80 [ 484.066262][ T74] fib6_nh_init+0x3d8/0x1580 [ 484.066262][ T74] ip6_route_info_create+0xf18/0x17d0 [ 484.066262][ T74] addrconf_f6i_alloc+0x265/0x560 [ 484.066262][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 484.066262][ T74] addrconf_join_anycast+0x1c0/0x220 [ 484.066262][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 484.066262][ T74] addrconf_dad_completed+0x12b/0xe20 [ 484.066262][ T74] addrconf_dad_begin+0x310/0x670 [ 484.066262][ T74] addrconf_dad_work+0x10b/0xab0 [ 484.066262][ T74] process_one_work+0x84d/0x18a0 [ 484.066262][ T74] worker_thread+0x587/0xd30 [ 484.066262][ T74] kthread+0x28a/0x350 [ 484.066262][ T74] ret_from_fork+0x31/0x70 [ 484.066262][ T74] ret_from_fork_asm+0x1a/0x30 [ 484.066262][ T74] [ 484.068314][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 484.068314][ T74] netdev_get_by_index+0x5e/0x80 [ 484.068314][ T74] fib6_nh_init+0x3d8/0x1580 [ 484.068314][ T74] ip6_route_info_create+0xf18/0x17d0 [ 484.068314][ T74] ip6_route_add+0x1c/0x140 [ 484.068314][ T74] addrconf_prefix_route+0x2a6/0x430 [ 484.068314][ T74] inet6_addr_add+0x4f8/0xa40 [ 484.068314][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 484.068314][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 484.068314][ T74] netlink_rcv_skb+0x130/0x360 [ 484.068314][ T74] netlink_unicast+0x449/0x710 [ 484.068314][ T74] netlink_sendmsg+0x723/0xbe0 [ 484.068314][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 484.068314][ T74] ___sys_sendmsg+0xee/0x170 [ 484.068314][ T74] __sys_sendmsg+0xcd/0x170 [ 484.068314][ T74] do_syscall_64+0xc6/0x1e0 [ 484.068314][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 484.068314][ T74] [ 484.070405][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 484.070405][ T74] netdev_get_by_index+0x5e/0x80 [ 484.070405][ T74] fib6_nh_init+0x3d8/0x1580 [ 484.070405][ T74] ip6_route_info_create+0xf18/0x17d0 [ 484.070405][ T74] addrconf_f6i_alloc+0x315/0x560 [ 484.070405][ T74] ipv6_add_addr+0x411/0x2000 [ 484.070405][ T74] inet6_addr_add+0x30e/0xa40 [ 484.070405][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 484.070405][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 484.070405][ T74] netlink_rcv_skb+0x130/0x360 [ 484.070405][ T74] netlink_unicast+0x449/0x710 [ 484.070405][ T74] netlink_sendmsg+0x723/0xbe0 [ 484.070405][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 484.070405][ T74] ___sys_sendmsg+0xee/0x170 [ 484.070405][ T74] __sys_sendmsg+0xcd/0x170 [ 484.070405][ T74] do_syscall_64+0xc6/0x1e0 [ 484.070405][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 484.070405][ T74] [ 484.072491][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 484.072491][ T74] netdev_get_by_index+0x5e/0x80 [ 484.072491][ T74] fib6_nh_init+0x3d8/0x1580 [ 484.072491][ T74] ip6_route_info_create+0xf18/0x17d0 [ 484.072491][ T74] ip6_route_add+0x1c/0x140 [ 484.072491][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 484.072491][ T74] addrconf_add_dev+0xe2/0x170 [ 484.072491][ T74] inet6_addr_add+0x12f/0xa40 [ 484.072491][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 484.072491][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 484.072491][ T74] netlink_rcv_skb+0x130/0x360 [ 484.072491][ T74] netlink_unicast+0x449/0x710 [ 484.072491][ T74] netlink_sendmsg+0x723/0xbe0 [ 484.072491][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 484.072491][ T74] ___sys_sendmsg+0xee/0x170 [ 484.072491][ T74] __sys_sendmsg+0xcd/0x170 [ 484.072491][ T74] do_syscall_64+0xc6/0x1e0 [ 484.072491][ T74] [ 484.074571][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 484.074571][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 484.074571][ T74] ipv6_find_idev+0x102/0x170 [ 484.074571][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 484.074571][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 484.074571][ T74] netlink_rcv_skb+0x130/0x360 [ 484.074571][ T74] netlink_unicast+0x449/0x710 [ 484.074571][ T74] netlink_sendmsg+0x723/0xbe0 [ 484.074571][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 484.074571][ T74] ___sys_sendmsg+0xee/0x170 [ 484.074571][ T74] __sys_sendmsg+0xcd/0x170 [ 484.074571][ T74] do_syscall_64+0xc6/0x1e0 [ 484.074571][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 484.074571][ T74] [ 484.076221][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 484.076221][ T74] neigh_parms_alloc+0x1e5/0x510 [ 484.076221][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 484.076221][ T74] ipv6_find_idev+0x102/0x170 [ 484.076221][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 484.076221][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 484.076221][ T74] netlink_rcv_skb+0x130/0x360 [ 484.076221][ T74] netlink_unicast+0x449/0x710 [ 484.076221][ T74] netlink_sendmsg+0x723/0xbe0 [ 484.076221][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 484.076221][ T74] ___sys_sendmsg+0xee/0x170 [ 484.076221][ T74] __sys_sendmsg+0xcd/0x170 [ 484.076221][ T74] do_syscall_64+0xc6/0x1e0 [ 484.076221][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 484.076221][ T74] [ 484.078365][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 484.078744][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 484.078744][ T74] dst_init+0x84/0x4a0 [ 484.078744][ T74] dst_alloc+0x97/0x150 [ 484.078744][ T74] ip6_dst_alloc+0x23/0x90 [ 484.078744][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 484.078744][ T74] ip6_pol_route+0x56f/0x840 [ 484.078744][ T74] fib6_rule_lookup+0x456/0x630 [ 484.078744][ T74] ip6_route_input+0x59c/0xa50 [ 484.078744][ T74] ipv6_rcv+0x397/0x810 [ 484.078744][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 484.078744][ T74] process_backlog+0x101/0x620 [ 484.078744][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 484.078744][ T74] net_rx_action+0x495/0xbe0 [ 484.078744][ T74] __do_softirq+0x1b5/0x7f6 [ 484.078744][ T74] [ 484.080638][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 484.080638][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 484.080638][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 484.080638][ T74] fib6_nh_init+0xa22/0x1580 [ 484.080638][ T74] ip6_route_info_create+0xf18/0x17d0 [ 484.080638][ T74] ip6_route_add+0x1c/0x140 [ 484.080638][ T74] inet6_rtm_newroute+0x104/0x110 [ 484.080638][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 484.080638][ T74] netlink_rcv_skb+0x130/0x360 [ 484.080638][ T74] netlink_unicast+0x449/0x710 [ 484.080638][ T74] netlink_sendmsg+0x723/0xbe0 [ 484.080638][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 484.080638][ T74] ___sys_sendmsg+0xee/0x170 [ 484.080638][ T74] __sys_sendmsg+0xcd/0x170 [ 484.080638][ T74] do_syscall_64+0xc6/0x1e0 [ 484.080638][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 484.080638][ T74] [ 484.082733][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 484.082733][ T74] netdev_get_by_index+0x5e/0x80 [ 484.082733][ T74] fib6_nh_init+0x3d8/0x1580 [ 484.082733][ T74] ip6_route_info_create+0xf18/0x17d0 [ 484.082733][ T74] addrconf_f6i_alloc+0x265/0x560 [ 484.082733][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 484.082733][ T74] addrconf_join_anycast+0x1c0/0x220 [ 484.082733][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 484.082733][ T74] addrconf_dad_completed+0x12b/0xe20 [ 484.082733][ T74] addrconf_dad_begin+0x310/0x670 [ 484.082733][ T74] addrconf_dad_work+0x10b/0xab0 [ 484.082733][ T74] process_one_work+0x84d/0x18a0 [ 484.082733][ T74] worker_thread+0x587/0xd30 [ 484.082733][ T74] kthread+0x28a/0x350 [ 484.082733][ T74] ret_from_fork+0x31/0x70 [ 484.082733][ T74] ret_from_fork_asm+0x1a/0x30 [ 484.082733][ T74] [ 484.084812][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 484.084812][ T74] netdev_get_by_index+0x5e/0x80 [ 484.084812][ T74] fib6_nh_init+0x3d8/0x1580 [ 484.084812][ T74] ip6_route_info_create+0xf18/0x17d0 [ 484.084812][ T74] ip6_route_add+0x1c/0x140 [ 484.084812][ T74] addrconf_prefix_route+0x2a6/0x430 [ 484.084812][ T74] inet6_addr_add+0x4f8/0xa40 [ 484.084812][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 484.084812][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 484.084812][ T74] netlink_rcv_skb+0x130/0x360 [ 484.084812][ T74] netlink_unicast+0x449/0x710 [ 484.084812][ T74] netlink_sendmsg+0x723/0xbe0 [ 484.084812][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 484.084812][ T74] ___sys_sendmsg+0xee/0x170 [ 484.084812][ T74] __sys_sendmsg+0xcd/0x170 [ 484.084812][ T74] do_syscall_64+0xc6/0x1e0 [ 484.084812][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 484.084812][ T74] [ 484.087146][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 484.087146][ T74] netdev_get_by_index+0x5e/0x80 [ 484.087146][ T74] fib6_nh_init+0x3d8/0x1580 [ 484.087146][ T74] ip6_route_info_create+0xf18/0x17d0 [ 484.087146][ T74] addrconf_f6i_alloc+0x315/0x560 [ 484.087146][ T74] ipv6_add_addr+0x411/0x2000 [ 484.087146][ T74] inet6_addr_add+0x30e/0xa40 [ 484.087146][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 484.087146][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 484.087146][ T74] netlink_rcv_skb+0x130/0x360 [ 484.087146][ T74] netlink_unicast+0x449/0x710 [ 484.087146][ T74] netlink_sendmsg+0x723/0xbe0 [ 484.087146][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 484.087146][ T74] ___sys_sendmsg+0xee/0x170 [ 484.087146][ T74] __sys_sendmsg+0xcd/0x170 [ 484.087146][ T74] do_syscall_64+0xc6/0x1e0 [ 484.087146][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 484.087146][ T74] [ 484.089444][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 484.089444][ T74] netdev_get_by_index+0x5e/0x80 [ 484.089444][ T74] fib6_nh_init+0x3d8/0x1580 [ 484.089444][ T74] ip6_route_info_create+0xf18/0x17d0 [ 484.089444][ T74] ip6_route_add+0x1c/0x140 [ 484.089444][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 484.089444][ T74] addrconf_add_dev+0xe2/0x170 [ 484.089444][ T74] inet6_addr_add+0x12f/0xa40 [ 484.089444][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 484.089444][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 484.089444][ T74] netlink_rcv_skb+0x130/0x360 [ 484.089444][ T74] netlink_unicast+0x449/0x710 [ 484.089444][ T74] netlink_sendmsg+0x723/0xbe0 [ 484.089444][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 484.089444][ T74] ___sys_sendmsg+0xee/0x170 [ 484.089444][ T74] __sys_sendmsg+0xcd/0x170 [ 484.089444][ T74] do_syscall_64+0xc6/0x1e0 [ 484.089444][ T74] [ 484.091621][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 484.091621][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 484.091621][ T74] ipv6_find_idev+0x102/0x170 [ 484.091621][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 484.091621][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 484.091621][ T74] netlink_rcv_skb+0x130/0x360 [ 484.091621][ T74] netlink_unicast+0x449/0x710 [ 484.091621][ T74] netlink_sendmsg+0x723/0xbe0 [ 484.091621][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 484.091621][ T74] ___sys_sendmsg+0xee/0x170 [ 484.091621][ T74] __sys_sendmsg+0xcd/0x170 [ 484.091621][ T74] do_syscall_64+0xc6/0x1e0 [ 484.091621][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 484.091621][ T74] [ 484.093372][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 484.093372][ T74] neigh_parms_alloc+0x1e5/0x510 [ 484.093372][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 484.093372][ T74] ipv6_find_idev+0x102/0x170 [ 484.093372][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 484.093372][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 484.093372][ T74] netlink_rcv_skb+0x130/0x360 [ 484.093372][ T74] netlink_unicast+0x449/0x710 [ 484.093372][ T74] netlink_sendmsg+0x723/0xbe0 [ 484.093372][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 484.093372][ T74] ___sys_sendmsg+0xee/0x170 [ 484.093372][ T74] __sys_sendmsg+0xcd/0x170 [ 484.093372][ T74] do_syscall_64+0xc6/0x1e0 [ 484.093372][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 484.093372][ T74] [ 484.095416][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 484.095691][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 484.095691][ T74] netdev_get_by_index+0x5e/0x80 [ 484.095691][ T74] fib6_nh_init+0x3d8/0x1580 [ 484.095691][ T74] ip6_route_info_create+0xf18/0x17d0 [ 484.095691][ T74] ip6_route_add+0x1c/0x140 [ 484.095691][ T74] addrconf_prefix_route+0x2a6/0x430 [ 484.095691][ T74] inet6_addr_add+0x4f8/0xa40 [ 484.095691][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 484.095691][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 484.095691][ T74] netlink_rcv_skb+0x130/0x360 [ 484.095691][ T74] netlink_unicast+0x449/0x710 [ 484.095691][ T74] netlink_sendmsg+0x723/0xbe0 [ 484.095691][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 484.095691][ T74] ___sys_sendmsg+0xee/0x170 [ 484.095691][ T74] __sys_sendmsg+0xcd/0x170 [ 484.095691][ T74] do_syscall_64+0xc6/0x1e0 [ 484.095691][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 484.095691][ T74] [ 484.098005][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 484.098005][ T74] netdev_get_by_index+0x5e/0x80 [ 484.098005][ T74] fib6_nh_init+0x3d8/0x1580 [ 484.098005][ T74] ip6_route_info_create+0xf18/0x17d0 [ 484.098005][ T74] addrconf_f6i_alloc+0x315/0x560 [ 484.098005][ T74] ipv6_add_addr+0x411/0x2000 [ 484.098005][ T74] inet6_addr_add+0x30e/0xa40 [ 484.098005][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 484.098005][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 484.098005][ T74] netlink_rcv_skb+0x130/0x360 [ 484.098005][ T74] netlink_unicast+0x449/0x710 [ 484.098005][ T74] netlink_sendmsg+0x723/0xbe0 [ 484.098005][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 484.098005][ T74] ___sys_sendmsg+0xee/0x170 [ 484.098005][ T74] __sys_sendmsg+0xcd/0x170 [ 484.098005][ T74] do_syscall_64+0xc6/0x1e0 [ 484.098005][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 484.098005][ T74] [ 484.100274][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 484.100274][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 484.100274][ T74] ipv6_find_idev+0x102/0x170 [ 484.100274][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 484.100274][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 484.100274][ T74] netlink_rcv_skb+0x130/0x360 [ 484.100274][ T74] netlink_unicast+0x449/0x710 [ 484.100274][ T74] netlink_sendmsg+0x723/0xbe0 [ 484.100274][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 484.100274][ T74] ___sys_sendmsg+0xee/0x170 [ 484.100274][ T74] __sys_sendmsg+0xcd/0x170 [ 484.100274][ T74] do_syscall_64+0xc6/0x1e0 [ 484.100274][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 484.100274][ T74] [ 484.101908][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 484.101908][ T74] neigh_parms_alloc+0x1e5/0x510 [ 484.101908][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 484.101908][ T74] ipv6_find_idev+0x102/0x170 [ 484.101908][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 484.101908][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 484.101908][ T74] netlink_rcv_skb+0x130/0x360 [ 484.101908][ T74] netlink_unicast+0x449/0x710 [ 484.101908][ T74] netlink_sendmsg+0x723/0xbe0 [ 484.101908][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 484.101908][ T74] ___sys_sendmsg+0xee/0x170 [ 484.101908][ T74] __sys_sendmsg+0xcd/0x170 [ 484.101908][ T74] do_syscall_64+0xc6/0x1e0 [ 484.101908][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 484.101908][ T74] [ 494.208875][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 494.209221][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 494.209221][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 494.209221][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 494.209221][ T74] fib6_nh_init+0xa22/0x1580 [ 494.209221][ T74] ip6_route_info_create+0xf18/0x17d0 [ 494.209221][ T74] ip6_route_add+0x1c/0x140 [ 494.209221][ T74] inet6_rtm_newroute+0x104/0x110 [ 494.209221][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 494.209221][ T74] netlink_rcv_skb+0x130/0x360 [ 494.209221][ T74] netlink_unicast+0x449/0x710 [ 494.209221][ T74] netlink_sendmsg+0x723/0xbe0 [ 494.209221][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 494.209221][ T74] ___sys_sendmsg+0xee/0x170 [ 494.209221][ T74] __sys_sendmsg+0xcd/0x170 [ 494.209221][ T74] do_syscall_64+0xc6/0x1e0 [ 494.209221][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 494.209221][ T74] [ 494.211305][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 494.211305][ T74] netdev_get_by_index+0x5e/0x80 [ 494.211305][ T74] fib6_nh_init+0x3d8/0x1580 [ 494.211305][ T74] ip6_route_info_create+0xf18/0x17d0 [ 494.211305][ T74] addrconf_f6i_alloc+0x265/0x560 [ 494.211305][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 494.211305][ T74] addrconf_join_anycast+0x1c0/0x220 [ 494.211305][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 494.211305][ T74] addrconf_dad_completed+0x12b/0xe20 [ 494.211305][ T74] addrconf_dad_begin+0x310/0x670 [ 494.211305][ T74] addrconf_dad_work+0x10b/0xab0 [ 494.211305][ T74] process_one_work+0x84d/0x18a0 [ 494.211305][ T74] worker_thread+0x587/0xd30 [ 494.211305][ T74] kthread+0x28a/0x350 [ 494.211305][ T74] ret_from_fork+0x31/0x70 [ 494.211305][ T74] ret_from_fork_asm+0x1a/0x30 [ 494.211305][ T74] [ 494.213398][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 494.213398][ T74] netdev_get_by_index+0x5e/0x80 [ 494.213398][ T74] fib6_nh_init+0x3d8/0x1580 [ 494.213398][ T74] ip6_route_info_create+0xf18/0x17d0 [ 494.213398][ T74] ip6_route_add+0x1c/0x140 [ 494.213398][ T74] addrconf_prefix_route+0x2a6/0x430 [ 494.213398][ T74] inet6_addr_add+0x4f8/0xa40 [ 494.213398][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 494.213398][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 494.213398][ T74] netlink_rcv_skb+0x130/0x360 [ 494.213398][ T74] netlink_unicast+0x449/0x710 [ 494.213398][ T74] netlink_sendmsg+0x723/0xbe0 [ 494.213398][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 494.213398][ T74] ___sys_sendmsg+0xee/0x170 [ 494.213398][ T74] __sys_sendmsg+0xcd/0x170 [ 494.213398][ T74] do_syscall_64+0xc6/0x1e0 [ 494.213398][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 494.213398][ T74] [ 494.215536][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 494.215536][ T74] netdev_get_by_index+0x5e/0x80 [ 494.215536][ T74] fib6_nh_init+0x3d8/0x1580 [ 494.215536][ T74] ip6_route_info_create+0xf18/0x17d0 [ 494.215536][ T74] addrconf_f6i_alloc+0x315/0x560 [ 494.215536][ T74] ipv6_add_addr+0x411/0x2000 [ 494.215536][ T74] inet6_addr_add+0x30e/0xa40 [ 494.215536][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 494.215536][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 494.215536][ T74] netlink_rcv_skb+0x130/0x360 [ 494.215536][ T74] netlink_unicast+0x449/0x710 [ 494.215536][ T74] netlink_sendmsg+0x723/0xbe0 [ 494.215536][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 494.215536][ T74] ___sys_sendmsg+0xee/0x170 [ 494.215536][ T74] __sys_sendmsg+0xcd/0x170 [ 494.215536][ T74] do_syscall_64+0xc6/0x1e0 [ 494.215536][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 494.215536][ T74] [ 494.217888][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 494.217888][ T74] netdev_get_by_index+0x5e/0x80 [ 494.217888][ T74] fib6_nh_init+0x3d8/0x1580 [ 494.217888][ T74] ip6_route_info_create+0xf18/0x17d0 [ 494.217888][ T74] ip6_route_add+0x1c/0x140 [ 494.217888][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 494.217888][ T74] addrconf_add_dev+0xe2/0x170 [ 494.217888][ T74] inet6_addr_add+0x12f/0xa40 [ 494.217888][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 494.217888][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 494.217888][ T74] netlink_rcv_skb+0x130/0x360 [ 494.217888][ T74] netlink_unicast+0x449/0x710 [ 494.217888][ T74] netlink_sendmsg+0x723/0xbe0 [ 494.217888][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 494.217888][ T74] ___sys_sendmsg+0xee/0x170 [ 494.217888][ T74] __sys_sendmsg+0xcd/0x170 [ 494.217888][ T74] do_syscall_64+0xc6/0x1e0 [ 494.217888][ T74] [ 494.220383][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 494.220383][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 494.220383][ T74] ipv6_find_idev+0x102/0x170 [ 494.220383][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 494.220383][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 494.220383][ T74] netlink_rcv_skb+0x130/0x360 [ 494.220383][ T74] netlink_unicast+0x449/0x710 [ 494.220383][ T74] netlink_sendmsg+0x723/0xbe0 [ 494.220383][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 494.220383][ T74] ___sys_sendmsg+0xee/0x170 [ 494.220383][ T74] __sys_sendmsg+0xcd/0x170 [ 494.220383][ T74] do_syscall_64+0xc6/0x1e0 [ 494.220383][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 494.220383][ T74] [ 494.222177][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 494.222177][ T74] neigh_parms_alloc+0x1e5/0x510 [ 494.222177][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 494.222177][ T74] ipv6_find_idev+0x102/0x170 [ 494.222177][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 494.222177][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 494.222177][ T74] netlink_rcv_skb+0x130/0x360 [ 494.222177][ T74] netlink_unicast+0x449/0x710 [ 494.222177][ T74] netlink_sendmsg+0x723/0xbe0 [ 494.222177][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 494.222177][ T74] ___sys_sendmsg+0xee/0x170 [ 494.222177][ T74] __sys_sendmsg+0xcd/0x170 [ 494.222177][ T74] do_syscall_64+0xc6/0x1e0 [ 494.222177][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 494.222177][ T74] [ 494.224119][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 494.224415][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 494.224415][ T74] dst_init+0x84/0x4a0 [ 494.224415][ T74] dst_alloc+0x97/0x150 [ 494.224415][ T74] ip6_dst_alloc+0x23/0x90 [ 494.224415][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 494.224415][ T74] ip6_pol_route+0x56f/0x840 [ 494.224415][ T74] fib6_rule_lookup+0x456/0x630 [ 494.224415][ T74] ip6_route_input+0x59c/0xa50 [ 494.224415][ T74] ipv6_rcv+0x397/0x810 [ 494.224415][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 494.224415][ T74] process_backlog+0x101/0x620 [ 494.224415][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 494.224415][ T74] net_rx_action+0x495/0xbe0 [ 494.224415][ T74] __do_softirq+0x1b5/0x7f6 [ 494.224415][ T74] [ 494.226234][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 494.226234][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 494.226234][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 494.226234][ T74] fib6_nh_init+0xa22/0x1580 [ 494.226234][ T74] ip6_route_info_create+0xf18/0x17d0 [ 494.226234][ T74] ip6_route_add+0x1c/0x140 [ 494.226234][ T74] inet6_rtm_newroute+0x104/0x110 [ 494.226234][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 494.226234][ T74] netlink_rcv_skb+0x130/0x360 [ 494.226234][ T74] netlink_unicast+0x449/0x710 [ 494.226234][ T74] netlink_sendmsg+0x723/0xbe0 [ 494.226234][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 494.226234][ T74] ___sys_sendmsg+0xee/0x170 [ 494.226234][ T74] __sys_sendmsg+0xcd/0x170 [ 494.226234][ T74] do_syscall_64+0xc6/0x1e0 [ 494.226234][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 494.226234][ T74] [ 494.228211][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 494.228211][ T74] netdev_get_by_index+0x5e/0x80 [ 494.228211][ T74] fib6_nh_init+0x3d8/0x1580 [ 494.228211][ T74] ip6_route_info_create+0xf18/0x17d0 [ 494.228211][ T74] addrconf_f6i_alloc+0x265/0x560 [ 494.228211][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 494.228211][ T74] addrconf_join_anycast+0x1c0/0x220 [ 494.228211][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 494.228211][ T74] addrconf_dad_completed+0x12b/0xe20 [ 494.228211][ T74] addrconf_dad_begin+0x310/0x670 [ 494.228211][ T74] addrconf_dad_work+0x10b/0xab0 [ 494.228211][ T74] process_one_work+0x84d/0x18a0 [ 494.228211][ T74] worker_thread+0x587/0xd30 [ 494.228211][ T74] kthread+0x28a/0x350 [ 494.228211][ T74] ret_from_fork+0x31/0x70 [ 494.228211][ T74] ret_from_fork_asm+0x1a/0x30 [ 494.228211][ T74] [ 494.230338][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 494.230338][ T74] netdev_get_by_index+0x5e/0x80 [ 494.230338][ T74] fib6_nh_init+0x3d8/0x1580 [ 494.230338][ T74] ip6_route_info_create+0xf18/0x17d0 [ 494.230338][ T74] ip6_route_add+0x1c/0x140 [ 494.230338][ T74] addrconf_prefix_route+0x2a6/0x430 [ 494.230338][ T74] inet6_addr_add+0x4f8/0xa40 [ 494.230338][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 494.230338][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 494.230338][ T74] netlink_rcv_skb+0x130/0x360 [ 494.230338][ T74] netlink_unicast+0x449/0x710 [ 494.230338][ T74] netlink_sendmsg+0x723/0xbe0 [ 494.230338][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 494.230338][ T74] ___sys_sendmsg+0xee/0x170 [ 494.230338][ T74] __sys_sendmsg+0xcd/0x170 [ 494.230338][ T74] do_syscall_64+0xc6/0x1e0 [ 494.230338][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 494.230338][ T74] [ 494.232717][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 494.232717][ T74] netdev_get_by_index+0x5e/0x80 [ 494.232717][ T74] fib6_nh_init+0x3d8/0x1580 [ 494.232717][ T74] ip6_route_info_create+0xf18/0x17d0 [ 494.232717][ T74] addrconf_f6i_alloc+0x315/0x560 [ 494.232717][ T74] ipv6_add_addr+0x411/0x2000 [ 494.232717][ T74] inet6_addr_add+0x30e/0xa40 [ 494.232717][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 494.232717][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 494.232717][ T74] netlink_rcv_skb+0x130/0x360 [ 494.232717][ T74] netlink_unicast+0x449/0x710 [ 494.232717][ T74] netlink_sendmsg+0x723/0xbe0 [ 494.232717][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 494.232717][ T74] ___sys_sendmsg+0xee/0x170 [ 494.232717][ T74] __sys_sendmsg+0xcd/0x170 [ 494.232717][ T74] do_syscall_64+0xc6/0x1e0 [ 494.232717][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 494.232717][ T74] [ 494.235036][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 494.235036][ T74] netdev_get_by_index+0x5e/0x80 [ 494.235036][ T74] fib6_nh_init+0x3d8/0x1580 [ 494.235036][ T74] ip6_route_info_create+0xf18/0x17d0 [ 494.235036][ T74] ip6_route_add+0x1c/0x140 [ 494.235036][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 494.235036][ T74] addrconf_add_dev+0xe2/0x170 [ 494.235036][ T74] inet6_addr_add+0x12f/0xa40 [ 494.235036][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 494.235036][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 494.235036][ T74] netlink_rcv_skb+0x130/0x360 [ 494.235036][ T74] netlink_unicast+0x449/0x710 [ 494.235036][ T74] netlink_sendmsg+0x723/0xbe0 [ 494.235036][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 494.235036][ T74] ___sys_sendmsg+0xee/0x170 [ 494.235036][ T74] __sys_sendmsg+0xcd/0x170 [ 494.235036][ T74] do_syscall_64+0xc6/0x1e0 [ 494.235036][ T74] [ 494.237725][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 494.237725][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 494.237725][ T74] ipv6_find_idev+0x102/0x170 [ 494.237725][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 494.237725][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 494.237725][ T74] netlink_rcv_skb+0x130/0x360 [ 494.237725][ T74] netlink_unicast+0x449/0x710 [ 494.237725][ T74] netlink_sendmsg+0x723/0xbe0 [ 494.237725][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 494.237725][ T74] ___sys_sendmsg+0xee/0x170 [ 494.237725][ T74] __sys_sendmsg+0xcd/0x170 [ 494.237725][ T74] do_syscall_64+0xc6/0x1e0 [ 494.237725][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 494.237725][ T74] [ 494.239654][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 494.239654][ T74] neigh_parms_alloc+0x1e5/0x510 [ 494.239654][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 494.239654][ T74] ipv6_find_idev+0x102/0x170 [ 494.239654][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 494.239654][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 494.239654][ T74] netlink_rcv_skb+0x130/0x360 [ 494.239654][ T74] netlink_unicast+0x449/0x710 [ 494.239654][ T74] netlink_sendmsg+0x723/0xbe0 [ 494.239654][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 494.239654][ T74] ___sys_sendmsg+0xee/0x170 [ 494.239654][ T74] __sys_sendmsg+0xcd/0x170 [ 494.239654][ T74] do_syscall_64+0xc6/0x1e0 [ 494.239654][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 494.239654][ T74] [ 494.241803][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 494.242166][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 494.242166][ T74] netdev_get_by_index+0x5e/0x80 [ 494.242166][ T74] fib6_nh_init+0x3d8/0x1580 [ 494.242166][ T74] ip6_route_info_create+0xf18/0x17d0 [ 494.242166][ T74] ip6_route_add+0x1c/0x140 [ 494.242166][ T74] addrconf_prefix_route+0x2a6/0x430 [ 494.242166][ T74] inet6_addr_add+0x4f8/0xa40 [ 494.242166][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 494.242166][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 494.242166][ T74] netlink_rcv_skb+0x130/0x360 [ 494.242166][ T74] netlink_unicast+0x449/0x710 [ 494.242166][ T74] netlink_sendmsg+0x723/0xbe0 [ 494.242166][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 494.242166][ T74] ___sys_sendmsg+0xee/0x170 [ 494.242166][ T74] __sys_sendmsg+0xcd/0x170 [ 494.242166][ T74] do_syscall_64+0xc6/0x1e0 [ 494.242166][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 494.242166][ T74] [ 494.244811][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 494.244811][ T74] netdev_get_by_index+0x5e/0x80 [ 494.244811][ T74] fib6_nh_init+0x3d8/0x1580 [ 494.244811][ T74] ip6_route_info_create+0xf18/0x17d0 [ 494.244811][ T74] addrconf_f6i_alloc+0x315/0x560 [ 494.244811][ T74] ipv6_add_addr+0x411/0x2000 [ 494.244811][ T74] inet6_addr_add+0x30e/0xa40 [ 494.244811][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 494.244811][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 494.244811][ T74] netlink_rcv_skb+0x130/0x360 [ 494.244811][ T74] netlink_unicast+0x449/0x710 [ 494.244811][ T74] netlink_sendmsg+0x723/0xbe0 [ 494.244811][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 494.244811][ T74] ___sys_sendmsg+0xee/0x170 [ 494.244811][ T74] __sys_sendmsg+0xcd/0x170 [ 494.244811][ T74] do_syscall_64+0xc6/0x1e0 [ 494.244811][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 494.244811][ T74] [ 494.247218][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 494.247218][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 494.247218][ T74] ipv6_find_idev+0x102/0x170 [ 494.247218][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 494.247218][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 494.247218][ T74] netlink_rcv_skb+0x130/0x360 [ 494.247218][ T74] netlink_unicast+0x449/0x710 [ 494.247218][ T74] netlink_sendmsg+0x723/0xbe0 [ 494.247218][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 494.247218][ T74] ___sys_sendmsg+0xee/0x170 [ 494.247218][ T74] __sys_sendmsg+0xcd/0x170 [ 494.247218][ T74] do_syscall_64+0xc6/0x1e0 [ 494.247218][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 494.247218][ T74] [ 494.249021][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 494.249021][ T74] neigh_parms_alloc+0x1e5/0x510 [ 494.249021][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 494.249021][ T74] ipv6_find_idev+0x102/0x170 [ 494.249021][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 494.249021][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 494.249021][ T74] netlink_rcv_skb+0x130/0x360 [ 494.249021][ T74] netlink_unicast+0x449/0x710 [ 494.249021][ T74] netlink_sendmsg+0x723/0xbe0 [ 494.249021][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 494.249021][ T74] ___sys_sendmsg+0xee/0x170 [ 494.249021][ T74] __sys_sendmsg+0xcd/0x170 [ 494.249021][ T74] do_syscall_64+0xc6/0x1e0 [ 494.249021][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 494.249021][ T74] [ 494.778721][ T3466] veth0: renamed from veth1 [ 498.847731][ T3493] br0: port 1(vx0) entered blocking state [ 498.848392][ T3493] br0: port 1(vx0) entered disabled state [ 498.848597][ T3493] vx0: entered allmulticast mode [ 498.849828][ T3493] vx0: entered promiscuous mode [ 498.851707][ T3493] br0: port 1(vx0) entered blocking state [ 498.851915][ T3493] br0: port 1(vx0) entered forwarding state [ 504.367979][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 504.368324][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 504.368324][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 504.368324][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 504.368324][ T74] fib6_nh_init+0xa22/0x1580 [ 504.368324][ T74] ip6_route_info_create+0xf18/0x17d0 [ 504.368324][ T74] ip6_route_add+0x1c/0x140 [ 504.368324][ T74] inet6_rtm_newroute+0x104/0x110 [ 504.368324][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 504.368324][ T74] netlink_rcv_skb+0x130/0x360 [ 504.368324][ T74] netlink_unicast+0x449/0x710 [ 504.368324][ T74] netlink_sendmsg+0x723/0xbe0 [ 504.368324][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 504.368324][ T74] ___sys_sendmsg+0xee/0x170 [ 504.368324][ T74] __sys_sendmsg+0xcd/0x170 [ 504.368324][ T74] do_syscall_64+0xc6/0x1e0 [ 504.368324][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 504.368324][ T74] [ 504.370389][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 504.370389][ T74] netdev_get_by_index+0x5e/0x80 [ 504.370389][ T74] fib6_nh_init+0x3d8/0x1580 [ 504.370389][ T74] ip6_route_info_create+0xf18/0x17d0 [ 504.370389][ T74] addrconf_f6i_alloc+0x265/0x560 [ 504.370389][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 504.370389][ T74] addrconf_join_anycast+0x1c0/0x220 [ 504.370389][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 504.370389][ T74] addrconf_dad_completed+0x12b/0xe20 [ 504.370389][ T74] addrconf_dad_begin+0x310/0x670 [ 504.370389][ T74] addrconf_dad_work+0x10b/0xab0 [ 504.370389][ T74] process_one_work+0x84d/0x18a0 [ 504.370389][ T74] worker_thread+0x587/0xd30 [ 504.370389][ T74] kthread+0x28a/0x350 [ 504.370389][ T74] ret_from_fork+0x31/0x70 [ 504.370389][ T74] ret_from_fork_asm+0x1a/0x30 [ 504.370389][ T74] [ 504.372354][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 504.372354][ T74] netdev_get_by_index+0x5e/0x80 [ 504.372354][ T74] fib6_nh_init+0x3d8/0x1580 [ 504.372354][ T74] ip6_route_info_create+0xf18/0x17d0 [ 504.372354][ T74] ip6_route_add+0x1c/0x140 [ 504.372354][ T74] addrconf_prefix_route+0x2a6/0x430 [ 504.372354][ T74] inet6_addr_add+0x4f8/0xa40 [ 504.372354][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 504.372354][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 504.372354][ T74] netlink_rcv_skb+0x130/0x360 [ 504.372354][ T74] netlink_unicast+0x449/0x710 [ 504.372354][ T74] netlink_sendmsg+0x723/0xbe0 [ 504.372354][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 504.372354][ T74] ___sys_sendmsg+0xee/0x170 [ 504.372354][ T74] __sys_sendmsg+0xcd/0x170 [ 504.372354][ T74] do_syscall_64+0xc6/0x1e0 [ 504.372354][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 504.372354][ T74] [ 504.374448][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 504.374448][ T74] netdev_get_by_index+0x5e/0x80 [ 504.374448][ T74] fib6_nh_init+0x3d8/0x1580 [ 504.374448][ T74] ip6_route_info_create+0xf18/0x17d0 [ 504.374448][ T74] addrconf_f6i_alloc+0x315/0x560 [ 504.374448][ T74] ipv6_add_addr+0x411/0x2000 [ 504.374448][ T74] inet6_addr_add+0x30e/0xa40 [ 504.374448][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 504.374448][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 504.374448][ T74] netlink_rcv_skb+0x130/0x360 [ 504.374448][ T74] netlink_unicast+0x449/0x710 [ 504.374448][ T74] netlink_sendmsg+0x723/0xbe0 [ 504.374448][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 504.374448][ T74] ___sys_sendmsg+0xee/0x170 [ 504.374448][ T74] __sys_sendmsg+0xcd/0x170 [ 504.374448][ T74] do_syscall_64+0xc6/0x1e0 [ 504.374448][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 504.374448][ T74] [ 504.376746][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 504.376746][ T74] netdev_get_by_index+0x5e/0x80 [ 504.376746][ T74] fib6_nh_init+0x3d8/0x1580 [ 504.376746][ T74] ip6_route_info_create+0xf18/0x17d0 [ 504.376746][ T74] ip6_route_add+0x1c/0x140 [ 504.376746][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 504.376746][ T74] addrconf_add_dev+0xe2/0x170 [ 504.376746][ T74] inet6_addr_add+0x12f/0xa40 [ 504.376746][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 504.376746][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 504.376746][ T74] netlink_rcv_skb+0x130/0x360 [ 504.376746][ T74] netlink_unicast+0x449/0x710 [ 504.376746][ T74] netlink_sendmsg+0x723/0xbe0 [ 504.376746][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 504.376746][ T74] ___sys_sendmsg+0xee/0x170 [ 504.376746][ T74] __sys_sendmsg+0xcd/0x170 [ 504.376746][ T74] do_syscall_64+0xc6/0x1e0 [ 504.376746][ T74] [ 504.379106][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 504.379106][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 504.379106][ T74] ipv6_find_idev+0x102/0x170 [ 504.379106][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 504.379106][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 504.379106][ T74] netlink_rcv_skb+0x130/0x360 [ 504.379106][ T74] netlink_unicast+0x449/0x710 [ 504.379106][ T74] netlink_sendmsg+0x723/0xbe0 [ 504.379106][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 504.379106][ T74] ___sys_sendmsg+0xee/0x170 [ 504.379106][ T74] __sys_sendmsg+0xcd/0x170 [ 504.379106][ T74] do_syscall_64+0xc6/0x1e0 [ 504.379106][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 504.379106][ T74] [ 504.380958][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 504.380958][ T74] neigh_parms_alloc+0x1e5/0x510 [ 504.380958][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 504.380958][ T74] ipv6_find_idev+0x102/0x170 [ 504.380958][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 504.380958][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 504.380958][ T74] netlink_rcv_skb+0x130/0x360 [ 504.380958][ T74] netlink_unicast+0x449/0x710 [ 504.380958][ T74] netlink_sendmsg+0x723/0xbe0 [ 504.380958][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 504.380958][ T74] ___sys_sendmsg+0xee/0x170 [ 504.380958][ T74] __sys_sendmsg+0xcd/0x170 [ 504.380958][ T74] do_syscall_64+0xc6/0x1e0 [ 504.380958][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 504.380958][ T74] [ 504.382994][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 504.383309][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 504.383309][ T74] dst_init+0x84/0x4a0 [ 504.383309][ T74] dst_alloc+0x97/0x150 [ 504.383309][ T74] ip6_dst_alloc+0x23/0x90 [ 504.383309][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 504.383309][ T74] ip6_pol_route+0x56f/0x840 [ 504.383309][ T74] fib6_rule_lookup+0x456/0x630 [ 504.383309][ T74] ip6_route_input+0x59c/0xa50 [ 504.383309][ T74] ipv6_rcv+0x397/0x810 [ 504.383309][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 504.383309][ T74] process_backlog+0x101/0x620 [ 504.383309][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 504.383309][ T74] net_rx_action+0x495/0xbe0 [ 504.383309][ T74] __do_softirq+0x1b5/0x7f6 [ 504.383309][ T74] [ 504.385206][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 504.385206][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 504.385206][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 504.385206][ T74] fib6_nh_init+0xa22/0x1580 [ 504.385206][ T74] ip6_route_info_create+0xf18/0x17d0 [ 504.385206][ T74] ip6_route_add+0x1c/0x140 [ 504.385206][ T74] inet6_rtm_newroute+0x104/0x110 [ 504.385206][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 504.385206][ T74] netlink_rcv_skb+0x130/0x360 [ 504.385206][ T74] netlink_unicast+0x449/0x710 [ 504.385206][ T74] netlink_sendmsg+0x723/0xbe0 [ 504.385206][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 504.385206][ T74] ___sys_sendmsg+0xee/0x170 [ 504.385206][ T74] __sys_sendmsg+0xcd/0x170 [ 504.385206][ T74] do_syscall_64+0xc6/0x1e0 [ 504.385206][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 504.385206][ T74] [ 504.387240][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 504.387240][ T74] netdev_get_by_index+0x5e/0x80 [ 504.387240][ T74] fib6_nh_init+0x3d8/0x1580 [ 504.387240][ T74] ip6_route_info_create+0xf18/0x17d0 [ 504.387240][ T74] addrconf_f6i_alloc+0x265/0x560 [ 504.387240][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 504.387240][ T74] addrconf_join_anycast+0x1c0/0x220 [ 504.387240][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 504.387240][ T74] addrconf_dad_completed+0x12b/0xe20 [ 504.387240][ T74] addrconf_dad_begin+0x310/0x670 [ 504.387240][ T74] addrconf_dad_work+0x10b/0xab0 [ 504.387240][ T74] process_one_work+0x84d/0x18a0 [ 504.387240][ T74] worker_thread+0x587/0xd30 [ 504.387240][ T74] kthread+0x28a/0x350 [ 504.387240][ T74] ret_from_fork+0x31/0x70 [ 504.387240][ T74] ret_from_fork_asm+0x1a/0x30 [ 504.387240][ T74] [ 504.389241][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 504.389241][ T74] netdev_get_by_index+0x5e/0x80 [ 504.389241][ T74] fib6_nh_init+0x3d8/0x1580 [ 504.389241][ T74] ip6_route_info_create+0xf18/0x17d0 [ 504.389241][ T74] ip6_route_add+0x1c/0x140 [ 504.389241][ T74] addrconf_prefix_route+0x2a6/0x430 [ 504.389241][ T74] inet6_addr_add+0x4f8/0xa40 [ 504.389241][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 504.389241][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 504.389241][ T74] netlink_rcv_skb+0x130/0x360 [ 504.389241][ T74] netlink_unicast+0x449/0x710 [ 504.389241][ T74] netlink_sendmsg+0x723/0xbe0 [ 504.389241][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 504.389241][ T74] ___sys_sendmsg+0xee/0x170 [ 504.389241][ T74] __sys_sendmsg+0xcd/0x170 [ 504.389241][ T74] do_syscall_64+0xc6/0x1e0 [ 504.389241][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 504.389241][ T74] [ 504.391318][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 504.391318][ T74] netdev_get_by_index+0x5e/0x80 [ 504.391318][ T74] fib6_nh_init+0x3d8/0x1580 [ 504.391318][ T74] ip6_route_info_create+0xf18/0x17d0 [ 504.391318][ T74] addrconf_f6i_alloc+0x315/0x560 [ 504.391318][ T74] ipv6_add_addr+0x411/0x2000 [ 504.391318][ T74] inet6_addr_add+0x30e/0xa40 [ 504.391318][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 504.391318][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 504.391318][ T74] netlink_rcv_skb+0x130/0x360 [ 504.391318][ T74] netlink_unicast+0x449/0x710 [ 504.391318][ T74] netlink_sendmsg+0x723/0xbe0 [ 504.391318][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 504.391318][ T74] ___sys_sendmsg+0xee/0x170 [ 504.391318][ T74] __sys_sendmsg+0xcd/0x170 [ 504.391318][ T74] do_syscall_64+0xc6/0x1e0 [ 504.391318][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 504.391318][ T74] [ 504.393606][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 504.393606][ T74] netdev_get_by_index+0x5e/0x80 [ 504.393606][ T74] fib6_nh_init+0x3d8/0x1580 [ 504.393606][ T74] ip6_route_info_create+0xf18/0x17d0 [ 504.393606][ T74] ip6_route_add+0x1c/0x140 [ 504.393606][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 504.393606][ T74] addrconf_add_dev+0xe2/0x170 [ 504.393606][ T74] inet6_addr_add+0x12f/0xa40 [ 504.393606][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 504.393606][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 504.393606][ T74] netlink_rcv_skb+0x130/0x360 [ 504.393606][ T74] netlink_unicast+0x449/0x710 [ 504.393606][ T74] netlink_sendmsg+0x723/0xbe0 [ 504.393606][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 504.393606][ T74] ___sys_sendmsg+0xee/0x170 [ 504.393606][ T74] __sys_sendmsg+0xcd/0x170 [ 504.393606][ T74] do_syscall_64+0xc6/0x1e0 [ 504.393606][ T74] [ 504.395875][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 504.395875][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 504.395875][ T74] ipv6_find_idev+0x102/0x170 [ 504.395875][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 504.395875][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 504.395875][ T74] netlink_rcv_skb+0x130/0x360 [ 504.395875][ T74] netlink_unicast+0x449/0x710 [ 504.395875][ T74] netlink_sendmsg+0x723/0xbe0 [ 504.395875][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 504.395875][ T74] ___sys_sendmsg+0xee/0x170 [ 504.395875][ T74] __sys_sendmsg+0xcd/0x170 [ 504.395875][ T74] do_syscall_64+0xc6/0x1e0 [ 504.395875][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 504.395875][ T74] [ 504.397849][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 504.397849][ T74] neigh_parms_alloc+0x1e5/0x510 [ 504.397849][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 504.397849][ T74] ipv6_find_idev+0x102/0x170 [ 504.397849][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 504.397849][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 504.397849][ T74] netlink_rcv_skb+0x130/0x360 [ 504.397849][ T74] netlink_unicast+0x449/0x710 [ 504.397849][ T74] netlink_sendmsg+0x723/0xbe0 [ 504.397849][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 504.397849][ T74] ___sys_sendmsg+0xee/0x170 [ 504.397849][ T74] __sys_sendmsg+0xcd/0x170 [ 504.397849][ T74] do_syscall_64+0xc6/0x1e0 [ 504.397849][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 504.397849][ T74] [ 504.399958][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 504.400228][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 504.400228][ T74] netdev_get_by_index+0x5e/0x80 [ 504.400228][ T74] fib6_nh_init+0x3d8/0x1580 [ 504.400228][ T74] ip6_route_info_create+0xf18/0x17d0 [ 504.400228][ T74] ip6_route_add+0x1c/0x140 [ 504.400228][ T74] addrconf_prefix_route+0x2a6/0x430 [ 504.400228][ T74] inet6_addr_add+0x4f8/0xa40 [ 504.400228][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 504.400228][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 504.400228][ T74] netlink_rcv_skb+0x130/0x360 [ 504.400228][ T74] netlink_unicast+0x449/0x710 [ 504.400228][ T74] netlink_sendmsg+0x723/0xbe0 [ 504.400228][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 504.400228][ T74] ___sys_sendmsg+0xee/0x170 [ 504.400228][ T74] __sys_sendmsg+0xcd/0x170 [ 504.400228][ T74] do_syscall_64+0xc6/0x1e0 [ 504.400228][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 504.400228][ T74] [ 504.402651][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 504.402651][ T74] netdev_get_by_index+0x5e/0x80 [ 504.402651][ T74] fib6_nh_init+0x3d8/0x1580 [ 504.402651][ T74] ip6_route_info_create+0xf18/0x17d0 [ 504.402651][ T74] addrconf_f6i_alloc+0x315/0x560 [ 504.402651][ T74] ipv6_add_addr+0x411/0x2000 [ 504.402651][ T74] inet6_addr_add+0x30e/0xa40 [ 504.402651][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 504.402651][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 504.402651][ T74] netlink_rcv_skb+0x130/0x360 [ 504.402651][ T74] netlink_unicast+0x449/0x710 [ 504.402651][ T74] netlink_sendmsg+0x723/0xbe0 [ 504.402651][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 504.402651][ T74] ___sys_sendmsg+0xee/0x170 [ 504.402651][ T74] __sys_sendmsg+0xcd/0x170 [ 504.402651][ T74] do_syscall_64+0xc6/0x1e0 [ 504.402651][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 504.402651][ T74] [ 504.405225][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 504.405225][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 504.405225][ T74] ipv6_find_idev+0x102/0x170 [ 504.405225][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 504.405225][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 504.405225][ T74] netlink_rcv_skb+0x130/0x360 [ 504.405225][ T74] netlink_unicast+0x449/0x710 [ 504.405225][ T74] netlink_sendmsg+0x723/0xbe0 [ 504.405225][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 504.405225][ T74] ___sys_sendmsg+0xee/0x170 [ 504.405225][ T74] __sys_sendmsg+0xcd/0x170 [ 504.405225][ T74] do_syscall_64+0xc6/0x1e0 [ 504.405225][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 504.405225][ T74] [ 504.407120][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 504.407120][ T74] neigh_parms_alloc+0x1e5/0x510 [ 504.407120][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 504.407120][ T74] ipv6_find_idev+0x102/0x170 [ 504.407120][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 504.407120][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 504.407120][ T74] netlink_rcv_skb+0x130/0x360 [ 504.407120][ T74] netlink_unicast+0x449/0x710 [ 504.407120][ T74] netlink_sendmsg+0x723/0xbe0 [ 504.407120][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 504.407120][ T74] ___sys_sendmsg+0xee/0x170 [ 504.407120][ T74] __sys_sendmsg+0xcd/0x170 [ 504.407120][ T74] do_syscall_64+0xc6/0x1e0 [ 504.407120][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 504.407120][ T74] [ 504.511205][ T3523] br0: port 1(vx0) entered blocking state [ 504.511426][ T3523] br0: port 1(vx0) entered disabled state [ 504.511608][ T3523] vx0: entered allmulticast mode [ 504.513480][ T3523] vx0: entered promiscuous mode [ 504.515320][ T3523] br0: port 1(vx0) entered blocking state [ 504.515496][ T3523] br0: port 1(vx0) entered forwarding state [ 508.716394][ T3554] veth0: renamed from veth1 [ 512.687425][ T3581] br0: port 1(vx0) entered blocking state [ 512.687635][ T3581] br0: port 1(vx0) entered disabled state [ 512.687821][ T3581] vx0: entered allmulticast mode [ 512.689023][ T3581] vx0: entered promiscuous mode [ 512.690933][ T3581] br0: port 1(vx0) entered blocking state [ 512.691135][ T3581] br0: port 1(vx0) entered forwarding state [ 514.528932][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 514.529313][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 514.529313][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 514.529313][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 514.529313][ T74] fib6_nh_init+0xa22/0x1580 [ 514.529313][ T74] ip6_route_info_create+0xf18/0x17d0 [ 514.529313][ T74] ip6_route_add+0x1c/0x140 [ 514.529313][ T74] inet6_rtm_newroute+0x104/0x110 [ 514.529313][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 514.529313][ T74] netlink_rcv_skb+0x130/0x360 [ 514.529313][ T74] netlink_unicast+0x449/0x710 [ 514.529313][ T74] netlink_sendmsg+0x723/0xbe0 [ 514.529313][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 514.529313][ T74] ___sys_sendmsg+0xee/0x170 [ 514.529313][ T74] __sys_sendmsg+0xcd/0x170 [ 514.529313][ T74] do_syscall_64+0xc6/0x1e0 [ 514.529313][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 514.529313][ T74] [ 514.531472][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 514.531472][ T74] netdev_get_by_index+0x5e/0x80 [ 514.531472][ T74] fib6_nh_init+0x3d8/0x1580 [ 514.531472][ T74] ip6_route_info_create+0xf18/0x17d0 [ 514.531472][ T74] addrconf_f6i_alloc+0x265/0x560 [ 514.531472][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 514.531472][ T74] addrconf_join_anycast+0x1c0/0x220 [ 514.531472][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 514.531472][ T74] addrconf_dad_completed+0x12b/0xe20 [ 514.531472][ T74] addrconf_dad_begin+0x310/0x670 [ 514.531472][ T74] addrconf_dad_work+0x10b/0xab0 [ 514.531472][ T74] process_one_work+0x84d/0x18a0 [ 514.531472][ T74] worker_thread+0x587/0xd30 [ 514.531472][ T74] kthread+0x28a/0x350 [ 514.531472][ T74] ret_from_fork+0x31/0x70 [ 514.531472][ T74] ret_from_fork_asm+0x1a/0x30 [ 514.531472][ T74] [ 514.533537][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 514.533537][ T74] netdev_get_by_index+0x5e/0x80 [ 514.533537][ T74] fib6_nh_init+0x3d8/0x1580 [ 514.533537][ T74] ip6_route_info_create+0xf18/0x17d0 [ 514.533537][ T74] ip6_route_add+0x1c/0x140 [ 514.533537][ T74] addrconf_prefix_route+0x2a6/0x430 [ 514.533537][ T74] inet6_addr_add+0x4f8/0xa40 [ 514.533537][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 514.533537][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 514.533537][ T74] netlink_rcv_skb+0x130/0x360 [ 514.533537][ T74] netlink_unicast+0x449/0x710 [ 514.533537][ T74] netlink_sendmsg+0x723/0xbe0 [ 514.533537][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 514.533537][ T74] ___sys_sendmsg+0xee/0x170 [ 514.533537][ T74] __sys_sendmsg+0xcd/0x170 [ 514.533537][ T74] do_syscall_64+0xc6/0x1e0 [ 514.533537][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 514.533537][ T74] [ 514.535721][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 514.535721][ T74] netdev_get_by_index+0x5e/0x80 [ 514.535721][ T74] fib6_nh_init+0x3d8/0x1580 [ 514.535721][ T74] ip6_route_info_create+0xf18/0x17d0 [ 514.535721][ T74] addrconf_f6i_alloc+0x315/0x560 [ 514.535721][ T74] ipv6_add_addr+0x411/0x2000 [ 514.535721][ T74] inet6_addr_add+0x30e/0xa40 [ 514.535721][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 514.535721][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 514.535721][ T74] netlink_rcv_skb+0x130/0x360 [ 514.535721][ T74] netlink_unicast+0x449/0x710 [ 514.535721][ T74] netlink_sendmsg+0x723/0xbe0 [ 514.535721][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 514.535721][ T74] ___sys_sendmsg+0xee/0x170 [ 514.535721][ T74] __sys_sendmsg+0xcd/0x170 [ 514.535721][ T74] do_syscall_64+0xc6/0x1e0 [ 514.535721][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 514.535721][ T74] [ 514.538028][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 514.538028][ T74] netdev_get_by_index+0x5e/0x80 [ 514.538028][ T74] fib6_nh_init+0x3d8/0x1580 [ 514.538028][ T74] ip6_route_info_create+0xf18/0x17d0 [ 514.538028][ T74] ip6_route_add+0x1c/0x140 [ 514.538028][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 514.538028][ T74] addrconf_add_dev+0xe2/0x170 [ 514.538028][ T74] inet6_addr_add+0x12f/0xa40 [ 514.538028][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 514.538028][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 514.538028][ T74] netlink_rcv_skb+0x130/0x360 [ 514.538028][ T74] netlink_unicast+0x449/0x710 [ 514.538028][ T74] netlink_sendmsg+0x723/0xbe0 [ 514.538028][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 514.538028][ T74] ___sys_sendmsg+0xee/0x170 [ 514.538028][ T74] __sys_sendmsg+0xcd/0x170 [ 514.538028][ T74] do_syscall_64+0xc6/0x1e0 [ 514.538028][ T74] [ 514.540159][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 514.540159][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 514.540159][ T74] ipv6_find_idev+0x102/0x170 [ 514.540159][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 514.540159][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 514.540159][ T74] netlink_rcv_skb+0x130/0x360 [ 514.540159][ T74] netlink_unicast+0x449/0x710 [ 514.540159][ T74] netlink_sendmsg+0x723/0xbe0 [ 514.540159][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 514.540159][ T74] ___sys_sendmsg+0xee/0x170 [ 514.540159][ T74] __sys_sendmsg+0xcd/0x170 [ 514.540159][ T74] do_syscall_64+0xc6/0x1e0 [ 514.540159][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 514.540159][ T74] [ 514.541811][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 514.541811][ T74] neigh_parms_alloc+0x1e5/0x510 [ 514.541811][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 514.541811][ T74] ipv6_find_idev+0x102/0x170 [ 514.541811][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 514.541811][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 514.541811][ T74] netlink_rcv_skb+0x130/0x360 [ 514.541811][ T74] netlink_unicast+0x449/0x710 [ 514.541811][ T74] netlink_sendmsg+0x723/0xbe0 [ 514.541811][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 514.541811][ T74] ___sys_sendmsg+0xee/0x170 [ 514.541811][ T74] __sys_sendmsg+0xcd/0x170 [ 514.541811][ T74] do_syscall_64+0xc6/0x1e0 [ 514.541811][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 514.541811][ T74] [ 514.543639][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 514.543962][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 514.543962][ T74] dst_init+0x84/0x4a0 [ 514.543962][ T74] dst_alloc+0x97/0x150 [ 514.543962][ T74] ip6_dst_alloc+0x23/0x90 [ 514.543962][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 514.543962][ T74] ip6_pol_route+0x56f/0x840 [ 514.543962][ T74] fib6_rule_lookup+0x456/0x630 [ 514.543962][ T74] ip6_route_input+0x59c/0xa50 [ 514.543962][ T74] ipv6_rcv+0x397/0x810 [ 514.543962][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 514.543962][ T74] process_backlog+0x101/0x620 [ 514.543962][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 514.543962][ T74] net_rx_action+0x495/0xbe0 [ 514.543962][ T74] __do_softirq+0x1b5/0x7f6 [ 514.543962][ T74] [ 514.545725][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 514.545725][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 514.545725][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 514.545725][ T74] fib6_nh_init+0xa22/0x1580 [ 514.545725][ T74] ip6_route_info_create+0xf18/0x17d0 [ 514.545725][ T74] ip6_route_add+0x1c/0x140 [ 514.545725][ T74] inet6_rtm_newroute+0x104/0x110 [ 514.545725][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 514.545725][ T74] netlink_rcv_skb+0x130/0x360 [ 514.545725][ T74] netlink_unicast+0x449/0x710 [ 514.545725][ T74] netlink_sendmsg+0x723/0xbe0 [ 514.545725][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 514.545725][ T74] ___sys_sendmsg+0xee/0x170 [ 514.545725][ T74] __sys_sendmsg+0xcd/0x170 [ 514.545725][ T74] do_syscall_64+0xc6/0x1e0 [ 514.545725][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 514.545725][ T74] [ 514.547785][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 514.547785][ T74] netdev_get_by_index+0x5e/0x80 [ 514.547785][ T74] fib6_nh_init+0x3d8/0x1580 [ 514.547785][ T74] ip6_route_info_create+0xf18/0x17d0 [ 514.547785][ T74] addrconf_f6i_alloc+0x265/0x560 [ 514.547785][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 514.547785][ T74] addrconf_join_anycast+0x1c0/0x220 [ 514.547785][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 514.547785][ T74] addrconf_dad_completed+0x12b/0xe20 [ 514.547785][ T74] addrconf_dad_begin+0x310/0x670 [ 514.547785][ T74] addrconf_dad_work+0x10b/0xab0 [ 514.547785][ T74] process_one_work+0x84d/0x18a0 [ 514.547785][ T74] worker_thread+0x587/0xd30 [ 514.547785][ T74] kthread+0x28a/0x350 [ 514.547785][ T74] ret_from_fork+0x31/0x70 [ 514.547785][ T74] ret_from_fork_asm+0x1a/0x30 [ 514.547785][ T74] [ 514.549849][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 514.549849][ T74] netdev_get_by_index+0x5e/0x80 [ 514.549849][ T74] fib6_nh_init+0x3d8/0x1580 [ 514.549849][ T74] ip6_route_info_create+0xf18/0x17d0 [ 514.549849][ T74] ip6_route_add+0x1c/0x140 [ 514.549849][ T74] addrconf_prefix_route+0x2a6/0x430 [ 514.549849][ T74] inet6_addr_add+0x4f8/0xa40 [ 514.549849][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 514.549849][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 514.549849][ T74] netlink_rcv_skb+0x130/0x360 [ 514.549849][ T74] netlink_unicast+0x449/0x710 [ 514.549849][ T74] netlink_sendmsg+0x723/0xbe0 [ 514.549849][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 514.549849][ T74] ___sys_sendmsg+0xee/0x170 [ 514.549849][ T74] __sys_sendmsg+0xcd/0x170 [ 514.549849][ T74] do_syscall_64+0xc6/0x1e0 [ 514.549849][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 514.549849][ T74] [ 514.552195][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 514.552195][ T74] netdev_get_by_index+0x5e/0x80 [ 514.552195][ T74] fib6_nh_init+0x3d8/0x1580 [ 514.552195][ T74] ip6_route_info_create+0xf18/0x17d0 [ 514.552195][ T74] addrconf_f6i_alloc+0x315/0x560 [ 514.552195][ T74] ipv6_add_addr+0x411/0x2000 [ 514.552195][ T74] inet6_addr_add+0x30e/0xa40 [ 514.552195][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 514.552195][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 514.552195][ T74] netlink_rcv_skb+0x130/0x360 [ 514.552195][ T74] netlink_unicast+0x449/0x710 [ 514.552195][ T74] netlink_sendmsg+0x723/0xbe0 [ 514.552195][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 514.552195][ T74] ___sys_sendmsg+0xee/0x170 [ 514.552195][ T74] __sys_sendmsg+0xcd/0x170 [ 514.552195][ T74] do_syscall_64+0xc6/0x1e0 [ 514.552195][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 514.552195][ T74] [ 514.554562][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 514.554562][ T74] netdev_get_by_index+0x5e/0x80 [ 514.554562][ T74] fib6_nh_init+0x3d8/0x1580 [ 514.554562][ T74] ip6_route_info_create+0xf18/0x17d0 [ 514.554562][ T74] ip6_route_add+0x1c/0x140 [ 514.554562][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 514.554562][ T74] addrconf_add_dev+0xe2/0x170 [ 514.554562][ T74] inet6_addr_add+0x12f/0xa40 [ 514.554562][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 514.554562][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 514.554562][ T74] netlink_rcv_skb+0x130/0x360 [ 514.554562][ T74] netlink_unicast+0x449/0x710 [ 514.554562][ T74] netlink_sendmsg+0x723/0xbe0 [ 514.554562][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 514.554562][ T74] ___sys_sendmsg+0xee/0x170 [ 514.554562][ T74] __sys_sendmsg+0xcd/0x170 [ 514.554562][ T74] do_syscall_64+0xc6/0x1e0 [ 514.554562][ T74] [ 514.557143][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 514.557143][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 514.557143][ T74] ipv6_find_idev+0x102/0x170 [ 514.557143][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 514.557143][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 514.557143][ T74] netlink_rcv_skb+0x130/0x360 [ 514.557143][ T74] netlink_unicast+0x449/0x710 [ 514.557143][ T74] netlink_sendmsg+0x723/0xbe0 [ 514.557143][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 514.557143][ T74] ___sys_sendmsg+0xee/0x170 [ 514.557143][ T74] __sys_sendmsg+0xcd/0x170 [ 514.557143][ T74] do_syscall_64+0xc6/0x1e0 [ 514.557143][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 514.557143][ T74] [ 514.559152][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 514.559152][ T74] neigh_parms_alloc+0x1e5/0x510 [ 514.559152][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 514.559152][ T74] ipv6_find_idev+0x102/0x170 [ 514.559152][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 514.559152][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 514.559152][ T74] netlink_rcv_skb+0x130/0x360 [ 514.559152][ T74] netlink_unicast+0x449/0x710 [ 514.559152][ T74] netlink_sendmsg+0x723/0xbe0 [ 514.559152][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 514.559152][ T74] ___sys_sendmsg+0xee/0x170 [ 514.559152][ T74] __sys_sendmsg+0xcd/0x170 [ 514.559152][ T74] do_syscall_64+0xc6/0x1e0 [ 514.559152][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 514.559152][ T74] [ 514.561482][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 514.561776][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 514.561776][ T74] netdev_get_by_index+0x5e/0x80 [ 514.561776][ T74] fib6_nh_init+0x3d8/0x1580 [ 514.561776][ T74] ip6_route_info_create+0xf18/0x17d0 [ 514.561776][ T74] ip6_route_add+0x1c/0x140 [ 514.561776][ T74] addrconf_prefix_route+0x2a6/0x430 [ 514.561776][ T74] inet6_addr_add+0x4f8/0xa40 [ 514.561776][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 514.561776][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 514.561776][ T74] netlink_rcv_skb+0x130/0x360 [ 514.561776][ T74] netlink_unicast+0x449/0x710 [ 514.561776][ T74] netlink_sendmsg+0x723/0xbe0 [ 514.561776][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 514.561776][ T74] ___sys_sendmsg+0xee/0x170 [ 514.561776][ T74] __sys_sendmsg+0xcd/0x170 [ 514.561776][ T74] do_syscall_64+0xc6/0x1e0 [ 514.561776][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 514.561776][ T74] [ 514.563916][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 514.563916][ T74] netdev_get_by_index+0x5e/0x80 [ 514.563916][ T74] fib6_nh_init+0x3d8/0x1580 [ 514.563916][ T74] ip6_route_info_create+0xf18/0x17d0 [ 514.563916][ T74] addrconf_f6i_alloc+0x315/0x560 [ 514.563916][ T74] ipv6_add_addr+0x411/0x2000 [ 514.563916][ T74] inet6_addr_add+0x30e/0xa40 [ 514.563916][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 514.563916][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 514.563916][ T74] netlink_rcv_skb+0x130/0x360 [ 514.563916][ T74] netlink_unicast+0x449/0x710 [ 514.563916][ T74] netlink_sendmsg+0x723/0xbe0 [ 514.563916][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 514.563916][ T74] ___sys_sendmsg+0xee/0x170 [ 514.563916][ T74] __sys_sendmsg+0xcd/0x170 [ 514.563916][ T74] do_syscall_64+0xc6/0x1e0 [ 514.563916][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 514.563916][ T74] [ 514.566258][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 514.566258][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 514.566258][ T74] ipv6_find_idev+0x102/0x170 [ 514.566258][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 514.566258][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 514.566258][ T74] netlink_rcv_skb+0x130/0x360 [ 514.566258][ T74] netlink_unicast+0x449/0x710 [ 514.566258][ T74] netlink_sendmsg+0x723/0xbe0 [ 514.566258][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 514.566258][ T74] ___sys_sendmsg+0xee/0x170 [ 514.566258][ T74] __sys_sendmsg+0xcd/0x170 [ 514.566258][ T74] do_syscall_64+0xc6/0x1e0 [ 514.566258][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 514.566258][ T74] [ 514.568220][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 514.568220][ T74] neigh_parms_alloc+0x1e5/0x510 [ 514.568220][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 514.568220][ T74] ipv6_find_idev+0x102/0x170 [ 514.568220][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 514.568220][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 514.568220][ T74] netlink_rcv_skb+0x130/0x360 [ 514.568220][ T74] netlink_unicast+0x449/0x710 [ 514.568220][ T74] netlink_sendmsg+0x723/0xbe0 [ 514.568220][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 514.568220][ T74] ___sys_sendmsg+0xee/0x170 [ 514.568220][ T74] __sys_sendmsg+0xcd/0x170 [ 514.568220][ T74] do_syscall_64+0xc6/0x1e0 [ 514.568220][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 514.568220][ T74] [ 518.325645][ T3611] br0: port 1(vx0) entered blocking state [ 518.325881][ T3611] br0: port 1(vx0) entered disabled state [ 518.326070][ T3611] vx0: entered allmulticast mode [ 518.327317][ T3611] vx0: entered promiscuous mode [ 518.329710][ T3611] br0: port 1(vx0) entered blocking state [ 518.329907][ T3611] br0: port 1(vx0) entered forwarding state [ 524.663973][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 524.664473][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 524.664473][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 524.664473][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 524.664473][ T74] fib6_nh_init+0xa22/0x1580 [ 524.664473][ T74] ip6_route_info_create+0xf18/0x17d0 [ 524.664473][ T74] ip6_route_add+0x1c/0x140 [ 524.664473][ T74] inet6_rtm_newroute+0x104/0x110 [ 524.664473][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 524.664473][ T74] netlink_rcv_skb+0x130/0x360 [ 524.664473][ T74] netlink_unicast+0x449/0x710 [ 524.664473][ T74] netlink_sendmsg+0x723/0xbe0 [ 524.664473][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 524.664473][ T74] ___sys_sendmsg+0xee/0x170 [ 524.664473][ T74] __sys_sendmsg+0xcd/0x170 [ 524.664473][ T74] do_syscall_64+0xc6/0x1e0 [ 524.664473][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 524.664473][ T74] [ 524.667551][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 524.667551][ T74] netdev_get_by_index+0x5e/0x80 [ 524.667551][ T74] fib6_nh_init+0x3d8/0x1580 [ 524.667551][ T74] ip6_route_info_create+0xf18/0x17d0 [ 524.667551][ T74] addrconf_f6i_alloc+0x265/0x560 [ 524.667551][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 524.667551][ T74] addrconf_join_anycast+0x1c0/0x220 [ 524.667551][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 524.667551][ T74] addrconf_dad_completed+0x12b/0xe20 [ 524.667551][ T74] addrconf_dad_begin+0x310/0x670 [ 524.667551][ T74] addrconf_dad_work+0x10b/0xab0 [ 524.667551][ T74] process_one_work+0x84d/0x18a0 [ 524.667551][ T74] worker_thread+0x587/0xd30 [ 524.667551][ T74] kthread+0x28a/0x350 [ 524.667551][ T74] ret_from_fork+0x31/0x70 [ 524.667551][ T74] ret_from_fork_asm+0x1a/0x30 [ 524.667551][ T74] [ 524.670795][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 524.670795][ T74] netdev_get_by_index+0x5e/0x80 [ 524.670795][ T74] fib6_nh_init+0x3d8/0x1580 [ 524.670795][ T74] ip6_route_info_create+0xf18/0x17d0 [ 524.670795][ T74] ip6_route_add+0x1c/0x140 [ 524.670795][ T74] addrconf_prefix_route+0x2a6/0x430 [ 524.670795][ T74] inet6_addr_add+0x4f8/0xa40 [ 524.670795][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 524.670795][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 524.670795][ T74] netlink_rcv_skb+0x130/0x360 [ 524.670795][ T74] netlink_unicast+0x449/0x710 [ 524.670795][ T74] netlink_sendmsg+0x723/0xbe0 [ 524.670795][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 524.670795][ T74] ___sys_sendmsg+0xee/0x170 [ 524.670795][ T74] __sys_sendmsg+0xcd/0x170 [ 524.670795][ T74] do_syscall_64+0xc6/0x1e0 [ 524.670795][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 524.670795][ T74] [ 524.674106][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 524.674106][ T74] netdev_get_by_index+0x5e/0x80 [ 524.674106][ T74] fib6_nh_init+0x3d8/0x1580 [ 524.674106][ T74] ip6_route_info_create+0xf18/0x17d0 [ 524.674106][ T74] addrconf_f6i_alloc+0x315/0x560 [ 524.674106][ T74] ipv6_add_addr+0x411/0x2000 [ 524.674106][ T74] inet6_addr_add+0x30e/0xa40 [ 524.674106][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 524.674106][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 524.674106][ T74] netlink_rcv_skb+0x130/0x360 [ 524.674106][ T74] netlink_unicast+0x449/0x710 [ 524.674106][ T74] netlink_sendmsg+0x723/0xbe0 [ 524.674106][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 524.674106][ T74] ___sys_sendmsg+0xee/0x170 [ 524.674106][ T74] __sys_sendmsg+0xcd/0x170 [ 524.674106][ T74] do_syscall_64+0xc6/0x1e0 [ 524.674106][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 524.674106][ T74] [ 524.676828][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 524.676828][ T74] netdev_get_by_index+0x5e/0x80 [ 524.676828][ T74] fib6_nh_init+0x3d8/0x1580 [ 524.676828][ T74] ip6_route_info_create+0xf18/0x17d0 [ 524.676828][ T74] ip6_route_add+0x1c/0x140 [ 524.676828][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 524.676828][ T74] addrconf_add_dev+0xe2/0x170 [ 524.676828][ T74] inet6_addr_add+0x12f/0xa40 [ 524.676828][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 524.676828][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 524.676828][ T74] netlink_rcv_skb+0x130/0x360 [ 524.676828][ T74] netlink_unicast+0x449/0x710 [ 524.676828][ T74] netlink_sendmsg+0x723/0xbe0 [ 524.676828][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 524.676828][ T74] ___sys_sendmsg+0xee/0x170 [ 524.676828][ T74] __sys_sendmsg+0xcd/0x170 [ 524.676828][ T74] do_syscall_64+0xc6/0x1e0 [ 524.676828][ T74] [ 524.678966][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 524.678966][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 524.678966][ T74] ipv6_find_idev+0x102/0x170 [ 524.678966][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 524.678966][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 524.678966][ T74] netlink_rcv_skb+0x130/0x360 [ 524.678966][ T74] netlink_unicast+0x449/0x710 [ 524.678966][ T74] netlink_sendmsg+0x723/0xbe0 [ 524.678966][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 524.678966][ T74] ___sys_sendmsg+0xee/0x170 [ 524.678966][ T74] __sys_sendmsg+0xcd/0x170 [ 524.678966][ T74] do_syscall_64+0xc6/0x1e0 [ 524.678966][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 524.678966][ T74] [ 524.680676][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 524.680676][ T74] neigh_parms_alloc+0x1e5/0x510 [ 524.680676][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 524.680676][ T74] ipv6_find_idev+0x102/0x170 [ 524.680676][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 524.680676][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 524.680676][ T74] netlink_rcv_skb+0x130/0x360 [ 524.680676][ T74] netlink_unicast+0x449/0x710 [ 524.680676][ T74] netlink_sendmsg+0x723/0xbe0 [ 524.680676][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 524.680676][ T74] ___sys_sendmsg+0xee/0x170 [ 524.680676][ T74] __sys_sendmsg+0xcd/0x170 [ 524.680676][ T74] do_syscall_64+0xc6/0x1e0 [ 524.680676][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 524.680676][ T74] [ 524.682549][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 524.682858][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 524.682858][ T74] dst_init+0x84/0x4a0 [ 524.682858][ T74] dst_alloc+0x97/0x150 [ 524.682858][ T74] ip6_dst_alloc+0x23/0x90 [ 524.682858][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 524.682858][ T74] ip6_pol_route+0x56f/0x840 [ 524.682858][ T74] fib6_rule_lookup+0x456/0x630 [ 524.682858][ T74] ip6_route_input+0x59c/0xa50 [ 524.682858][ T74] ipv6_rcv+0x397/0x810 [ 524.682858][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 524.682858][ T74] process_backlog+0x101/0x620 [ 524.682858][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 524.682858][ T74] net_rx_action+0x495/0xbe0 [ 524.682858][ T74] __do_softirq+0x1b5/0x7f6 [ 524.682858][ T74] [ 524.684671][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 524.684671][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 524.684671][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 524.684671][ T74] fib6_nh_init+0xa22/0x1580 [ 524.684671][ T74] ip6_route_info_create+0xf18/0x17d0 [ 524.684671][ T74] ip6_route_add+0x1c/0x140 [ 524.684671][ T74] inet6_rtm_newroute+0x104/0x110 [ 524.684671][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 524.684671][ T74] netlink_rcv_skb+0x130/0x360 [ 524.684671][ T74] netlink_unicast+0x449/0x710 [ 524.684671][ T74] netlink_sendmsg+0x723/0xbe0 [ 524.684671][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 524.684671][ T74] ___sys_sendmsg+0xee/0x170 [ 524.684671][ T74] __sys_sendmsg+0xcd/0x170 [ 524.684671][ T74] do_syscall_64+0xc6/0x1e0 [ 524.684671][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 524.684671][ T74] [ 524.687678][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 524.687678][ T74] netdev_get_by_index+0x5e/0x80 [ 524.687678][ T74] fib6_nh_init+0x3d8/0x1580 [ 524.687678][ T74] ip6_route_info_create+0xf18/0x17d0 [ 524.687678][ T74] addrconf_f6i_alloc+0x265/0x560 [ 524.687678][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 524.687678][ T74] addrconf_join_anycast+0x1c0/0x220 [ 524.687678][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 524.687678][ T74] addrconf_dad_completed+0x12b/0xe20 [ 524.687678][ T74] addrconf_dad_begin+0x310/0x670 [ 524.687678][ T74] addrconf_dad_work+0x10b/0xab0 [ 524.687678][ T74] process_one_work+0x84d/0x18a0 [ 524.687678][ T74] worker_thread+0x587/0xd30 [ 524.687678][ T74] kthread+0x28a/0x350 [ 524.687678][ T74] ret_from_fork+0x31/0x70 [ 524.687678][ T74] ret_from_fork_asm+0x1a/0x30 [ 524.687678][ T74] [ 524.690856][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 524.690856][ T74] netdev_get_by_index+0x5e/0x80 [ 524.690856][ T74] fib6_nh_init+0x3d8/0x1580 [ 524.690856][ T74] ip6_route_info_create+0xf18/0x17d0 [ 524.690856][ T74] ip6_route_add+0x1c/0x140 [ 524.690856][ T74] addrconf_prefix_route+0x2a6/0x430 [ 524.690856][ T74] inet6_addr_add+0x4f8/0xa40 [ 524.690856][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 524.690856][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 524.690856][ T74] netlink_rcv_skb+0x130/0x360 [ 524.690856][ T74] netlink_unicast+0x449/0x710 [ 524.690856][ T74] netlink_sendmsg+0x723/0xbe0 [ 524.690856][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 524.690856][ T74] ___sys_sendmsg+0xee/0x170 [ 524.690856][ T74] __sys_sendmsg+0xcd/0x170 [ 524.690856][ T74] do_syscall_64+0xc6/0x1e0 [ 524.690856][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 524.690856][ T74] [ 524.694221][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 524.694221][ T74] netdev_get_by_index+0x5e/0x80 [ 524.694221][ T74] fib6_nh_init+0x3d8/0x1580 [ 524.694221][ T74] ip6_route_info_create+0xf18/0x17d0 [ 524.694221][ T74] addrconf_f6i_alloc+0x315/0x560 [ 524.694221][ T74] ipv6_add_addr+0x411/0x2000 [ 524.694221][ T74] inet6_addr_add+0x30e/0xa40 [ 524.694221][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 524.694221][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 524.694221][ T74] netlink_rcv_skb+0x130/0x360 [ 524.694221][ T74] netlink_unicast+0x449/0x710 [ 524.694221][ T74] netlink_sendmsg+0x723/0xbe0 [ 524.694221][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 524.694221][ T74] ___sys_sendmsg+0xee/0x170 [ 524.694221][ T74] __sys_sendmsg+0xcd/0x170 [ 524.694221][ T74] do_syscall_64+0xc6/0x1e0 [ 524.694221][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 524.694221][ T74] [ 524.697127][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 524.697127][ T74] netdev_get_by_index+0x5e/0x80 [ 524.697127][ T74] fib6_nh_init+0x3d8/0x1580 [ 524.697127][ T74] ip6_route_info_create+0xf18/0x17d0 [ 524.697127][ T74] ip6_route_add+0x1c/0x140 [ 524.697127][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 524.697127][ T74] addrconf_add_dev+0xe2/0x170 [ 524.697127][ T74] inet6_addr_add+0x12f/0xa40 [ 524.697127][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 524.697127][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 524.697127][ T74] netlink_rcv_skb+0x130/0x360 [ 524.697127][ T74] netlink_unicast+0x449/0x710 [ 524.697127][ T74] netlink_sendmsg+0x723/0xbe0 [ 524.697127][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 524.697127][ T74] ___sys_sendmsg+0xee/0x170 [ 524.697127][ T74] __sys_sendmsg+0xcd/0x170 [ 524.697127][ T74] do_syscall_64+0xc6/0x1e0 [ 524.697127][ T74] [ 524.700408][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 524.700408][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 524.700408][ T74] ipv6_find_idev+0x102/0x170 [ 524.700408][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 524.700408][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 524.700408][ T74] netlink_rcv_skb+0x130/0x360 [ 524.700408][ T74] netlink_unicast+0x449/0x710 [ 524.700408][ T74] netlink_sendmsg+0x723/0xbe0 [ 524.700408][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 524.700408][ T74] ___sys_sendmsg+0xee/0x170 [ 524.700408][ T74] __sys_sendmsg+0xcd/0x170 [ 524.700408][ T74] do_syscall_64+0xc6/0x1e0 [ 524.700408][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 524.700408][ T74] [ 524.702966][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 524.702966][ T74] neigh_parms_alloc+0x1e5/0x510 [ 524.702966][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 524.702966][ T74] ipv6_find_idev+0x102/0x170 [ 524.702966][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 524.702966][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 524.702966][ T74] netlink_rcv_skb+0x130/0x360 [ 524.702966][ T74] netlink_unicast+0x449/0x710 [ 524.702966][ T74] netlink_sendmsg+0x723/0xbe0 [ 524.702966][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 524.702966][ T74] ___sys_sendmsg+0xee/0x170 [ 524.702966][ T74] __sys_sendmsg+0xcd/0x170 [ 524.702966][ T74] do_syscall_64+0xc6/0x1e0 [ 524.702966][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 524.702966][ T74] [ 524.705955][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 524.706354][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 524.706354][ T74] netdev_get_by_index+0x5e/0x80 [ 524.706354][ T74] fib6_nh_init+0x3d8/0x1580 [ 524.706354][ T74] ip6_route_info_create+0xf18/0x17d0 [ 524.706354][ T74] ip6_route_add+0x1c/0x140 [ 524.706354][ T74] addrconf_prefix_route+0x2a6/0x430 [ 524.706354][ T74] inet6_addr_add+0x4f8/0xa40 [ 524.706354][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 524.706354][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 524.706354][ T74] netlink_rcv_skb+0x130/0x360 [ 524.706354][ T74] netlink_unicast+0x449/0x710 [ 524.706354][ T74] netlink_sendmsg+0x723/0xbe0 [ 524.706354][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 524.706354][ T74] ___sys_sendmsg+0xee/0x170 [ 524.706354][ T74] __sys_sendmsg+0xcd/0x170 [ 524.706354][ T74] do_syscall_64+0xc6/0x1e0 [ 524.706354][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 524.706354][ T74] [ 524.708928][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 524.708928][ T74] netdev_get_by_index+0x5e/0x80 [ 524.708928][ T74] fib6_nh_init+0x3d8/0x1580 [ 524.708928][ T74] ip6_route_info_create+0xf18/0x17d0 [ 524.708928][ T74] addrconf_f6i_alloc+0x315/0x560 [ 524.708928][ T74] ipv6_add_addr+0x411/0x2000 [ 524.708928][ T74] inet6_addr_add+0x30e/0xa40 [ 524.708928][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 524.708928][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 524.708928][ T74] netlink_rcv_skb+0x130/0x360 [ 524.708928][ T74] netlink_unicast+0x449/0x710 [ 524.708928][ T74] netlink_sendmsg+0x723/0xbe0 [ 524.708928][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 524.708928][ T74] ___sys_sendmsg+0xee/0x170 [ 524.708928][ T74] __sys_sendmsg+0xcd/0x170 [ 524.708928][ T74] do_syscall_64+0xc6/0x1e0 [ 524.708928][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 524.708928][ T74] [ 524.711273][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 524.711273][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 524.711273][ T74] ipv6_find_idev+0x102/0x170 [ 524.711273][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 524.711273][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 524.711273][ T74] netlink_rcv_skb+0x130/0x360 [ 524.711273][ T74] netlink_unicast+0x449/0x710 [ 524.711273][ T74] netlink_sendmsg+0x723/0xbe0 [ 524.711273][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 524.711273][ T74] ___sys_sendmsg+0xee/0x170 [ 524.711273][ T74] __sys_sendmsg+0xcd/0x170 [ 524.711273][ T74] do_syscall_64+0xc6/0x1e0 [ 524.711273][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 524.711273][ T74] [ 524.713044][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 524.713044][ T74] neigh_parms_alloc+0x1e5/0x510 [ 524.713044][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 524.713044][ T74] ipv6_find_idev+0x102/0x170 [ 524.713044][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 524.713044][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 524.713044][ T74] netlink_rcv_skb+0x130/0x360 [ 524.713044][ T74] netlink_unicast+0x449/0x710 [ 524.713044][ T74] netlink_sendmsg+0x723/0xbe0 [ 524.713044][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 524.713044][ T74] ___sys_sendmsg+0xee/0x170 [ 524.713044][ T74] __sys_sendmsg+0xcd/0x170 [ 524.713044][ T74] do_syscall_64+0xc6/0x1e0 [ 524.713044][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 524.713044][ T74] [ 534.807901][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 534.808393][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 534.808393][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 534.808393][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 534.808393][ T74] fib6_nh_init+0xa22/0x1580 [ 534.808393][ T74] ip6_route_info_create+0xf18/0x17d0 [ 534.808393][ T74] ip6_route_add+0x1c/0x140 [ 534.808393][ T74] inet6_rtm_newroute+0x104/0x110 [ 534.808393][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 534.808393][ T74] netlink_rcv_skb+0x130/0x360 [ 534.808393][ T74] netlink_unicast+0x449/0x710 [ 534.808393][ T74] netlink_sendmsg+0x723/0xbe0 [ 534.808393][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 534.808393][ T74] ___sys_sendmsg+0xee/0x170 [ 534.808393][ T74] __sys_sendmsg+0xcd/0x170 [ 534.808393][ T74] do_syscall_64+0xc6/0x1e0 [ 534.808393][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 534.808393][ T74] [ 534.811407][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 534.811407][ T74] netdev_get_by_index+0x5e/0x80 [ 534.811407][ T74] fib6_nh_init+0x3d8/0x1580 [ 534.811407][ T74] ip6_route_info_create+0xf18/0x17d0 [ 534.811407][ T74] addrconf_f6i_alloc+0x265/0x560 [ 534.811407][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 534.811407][ T74] addrconf_join_anycast+0x1c0/0x220 [ 534.811407][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 534.811407][ T74] addrconf_dad_completed+0x12b/0xe20 [ 534.811407][ T74] addrconf_dad_begin+0x310/0x670 [ 534.811407][ T74] addrconf_dad_work+0x10b/0xab0 [ 534.811407][ T74] process_one_work+0x84d/0x18a0 [ 534.811407][ T74] worker_thread+0x587/0xd30 [ 534.811407][ T74] kthread+0x28a/0x350 [ 534.811407][ T74] ret_from_fork+0x31/0x70 [ 534.811407][ T74] ret_from_fork_asm+0x1a/0x30 [ 534.811407][ T74] [ 534.814469][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 534.814469][ T74] netdev_get_by_index+0x5e/0x80 [ 534.814469][ T74] fib6_nh_init+0x3d8/0x1580 [ 534.814469][ T74] ip6_route_info_create+0xf18/0x17d0 [ 534.814469][ T74] ip6_route_add+0x1c/0x140 [ 534.814469][ T74] addrconf_prefix_route+0x2a6/0x430 [ 534.814469][ T74] inet6_addr_add+0x4f8/0xa40 [ 534.814469][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 534.814469][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 534.814469][ T74] netlink_rcv_skb+0x130/0x360 [ 534.814469][ T74] netlink_unicast+0x449/0x710 [ 534.814469][ T74] netlink_sendmsg+0x723/0xbe0 [ 534.814469][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 534.814469][ T74] ___sys_sendmsg+0xee/0x170 [ 534.814469][ T74] __sys_sendmsg+0xcd/0x170 [ 534.814469][ T74] do_syscall_64+0xc6/0x1e0 [ 534.814469][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 534.814469][ T74] [ 534.817287][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 534.817287][ T74] netdev_get_by_index+0x5e/0x80 [ 534.817287][ T74] fib6_nh_init+0x3d8/0x1580 [ 534.817287][ T74] ip6_route_info_create+0xf18/0x17d0 [ 534.817287][ T74] addrconf_f6i_alloc+0x315/0x560 [ 534.817287][ T74] ipv6_add_addr+0x411/0x2000 [ 534.817287][ T74] inet6_addr_add+0x30e/0xa40 [ 534.817287][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 534.817287][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 534.817287][ T74] netlink_rcv_skb+0x130/0x360 [ 534.817287][ T74] netlink_unicast+0x449/0x710 [ 534.817287][ T74] netlink_sendmsg+0x723/0xbe0 [ 534.817287][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 534.817287][ T74] ___sys_sendmsg+0xee/0x170 [ 534.817287][ T74] __sys_sendmsg+0xcd/0x170 [ 534.817287][ T74] do_syscall_64+0xc6/0x1e0 [ 534.817287][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 534.817287][ T74] [ 534.819342][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 534.819342][ T74] netdev_get_by_index+0x5e/0x80 [ 534.819342][ T74] fib6_nh_init+0x3d8/0x1580 [ 534.819342][ T74] ip6_route_info_create+0xf18/0x17d0 [ 534.819342][ T74] ip6_route_add+0x1c/0x140 [ 534.819342][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 534.819342][ T74] addrconf_add_dev+0xe2/0x170 [ 534.819342][ T74] inet6_addr_add+0x12f/0xa40 [ 534.819342][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 534.819342][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 534.819342][ T74] netlink_rcv_skb+0x130/0x360 [ 534.819342][ T74] netlink_unicast+0x449/0x710 [ 534.819342][ T74] netlink_sendmsg+0x723/0xbe0 [ 534.819342][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 534.819342][ T74] ___sys_sendmsg+0xee/0x170 [ 534.819342][ T74] __sys_sendmsg+0xcd/0x170 [ 534.819342][ T74] do_syscall_64+0xc6/0x1e0 [ 534.819342][ T74] [ 534.821416][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 534.821416][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 534.821416][ T74] ipv6_find_idev+0x102/0x170 [ 534.821416][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 534.821416][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 534.821416][ T74] netlink_rcv_skb+0x130/0x360 [ 534.821416][ T74] netlink_unicast+0x449/0x710 [ 534.821416][ T74] netlink_sendmsg+0x723/0xbe0 [ 534.821416][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 534.821416][ T74] ___sys_sendmsg+0xee/0x170 [ 534.821416][ T74] __sys_sendmsg+0xcd/0x170 [ 534.821416][ T74] do_syscall_64+0xc6/0x1e0 [ 534.821416][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 534.821416][ T74] [ 534.823014][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 534.823014][ T74] neigh_parms_alloc+0x1e5/0x510 [ 534.823014][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 534.823014][ T74] ipv6_find_idev+0x102/0x170 [ 534.823014][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 534.823014][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 534.823014][ T74] netlink_rcv_skb+0x130/0x360 [ 534.823014][ T74] netlink_unicast+0x449/0x710 [ 534.823014][ T74] netlink_sendmsg+0x723/0xbe0 [ 534.823014][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 534.823014][ T74] ___sys_sendmsg+0xee/0x170 [ 534.823014][ T74] __sys_sendmsg+0xcd/0x170 [ 534.823014][ T74] do_syscall_64+0xc6/0x1e0 [ 534.823014][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 534.823014][ T74] [ 534.824806][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 534.825110][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 534.825110][ T74] dst_init+0x84/0x4a0 [ 534.825110][ T74] dst_alloc+0x97/0x150 [ 534.825110][ T74] ip6_dst_alloc+0x23/0x90 [ 534.825110][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 534.825110][ T74] ip6_pol_route+0x56f/0x840 [ 534.825110][ T74] fib6_rule_lookup+0x456/0x630 [ 534.825110][ T74] ip6_route_input+0x59c/0xa50 [ 534.825110][ T74] ipv6_rcv+0x397/0x810 [ 534.825110][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 534.825110][ T74] process_backlog+0x101/0x620 [ 534.825110][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 534.825110][ T74] net_rx_action+0x495/0xbe0 [ 534.825110][ T74] __do_softirq+0x1b5/0x7f6 [ 534.825110][ T74] [ 534.826799][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 534.826799][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 534.826799][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 534.826799][ T74] fib6_nh_init+0xa22/0x1580 [ 534.826799][ T74] ip6_route_info_create+0xf18/0x17d0 [ 534.826799][ T74] ip6_route_add+0x1c/0x140 [ 534.826799][ T74] inet6_rtm_newroute+0x104/0x110 [ 534.826799][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 534.826799][ T74] netlink_rcv_skb+0x130/0x360 [ 534.826799][ T74] netlink_unicast+0x449/0x710 [ 534.826799][ T74] netlink_sendmsg+0x723/0xbe0 [ 534.826799][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 534.826799][ T74] ___sys_sendmsg+0xee/0x170 [ 534.826799][ T74] __sys_sendmsg+0xcd/0x170 [ 534.826799][ T74] do_syscall_64+0xc6/0x1e0 [ 534.826799][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 534.826799][ T74] [ 534.828804][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 534.828804][ T74] netdev_get_by_index+0x5e/0x80 [ 534.828804][ T74] fib6_nh_init+0x3d8/0x1580 [ 534.828804][ T74] ip6_route_info_create+0xf18/0x17d0 [ 534.828804][ T74] addrconf_f6i_alloc+0x265/0x560 [ 534.828804][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 534.828804][ T74] addrconf_join_anycast+0x1c0/0x220 [ 534.828804][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 534.828804][ T74] addrconf_dad_completed+0x12b/0xe20 [ 534.828804][ T74] addrconf_dad_begin+0x310/0x670 [ 534.828804][ T74] addrconf_dad_work+0x10b/0xab0 [ 534.828804][ T74] process_one_work+0x84d/0x18a0 [ 534.828804][ T74] worker_thread+0x587/0xd30 [ 534.828804][ T74] kthread+0x28a/0x350 [ 534.828804][ T74] ret_from_fork+0x31/0x70 [ 534.828804][ T74] ret_from_fork_asm+0x1a/0x30 [ 534.828804][ T74] [ 534.831026][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 534.831026][ T74] netdev_get_by_index+0x5e/0x80 [ 534.831026][ T74] fib6_nh_init+0x3d8/0x1580 [ 534.831026][ T74] ip6_route_info_create+0xf18/0x17d0 [ 534.831026][ T74] ip6_route_add+0x1c/0x140 [ 534.831026][ T74] addrconf_prefix_route+0x2a6/0x430 [ 534.831026][ T74] inet6_addr_add+0x4f8/0xa40 [ 534.831026][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 534.831026][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 534.831026][ T74] netlink_rcv_skb+0x130/0x360 [ 534.831026][ T74] netlink_unicast+0x449/0x710 [ 534.831026][ T74] netlink_sendmsg+0x723/0xbe0 [ 534.831026][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 534.831026][ T74] ___sys_sendmsg+0xee/0x170 [ 534.831026][ T74] __sys_sendmsg+0xcd/0x170 [ 534.831026][ T74] do_syscall_64+0xc6/0x1e0 [ 534.831026][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 534.831026][ T74] [ 534.833406][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 534.833406][ T74] netdev_get_by_index+0x5e/0x80 [ 534.833406][ T74] fib6_nh_init+0x3d8/0x1580 [ 534.833406][ T74] ip6_route_info_create+0xf18/0x17d0 [ 534.833406][ T74] addrconf_f6i_alloc+0x315/0x560 [ 534.833406][ T74] ipv6_add_addr+0x411/0x2000 [ 534.833406][ T74] inet6_addr_add+0x30e/0xa40 [ 534.833406][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 534.833406][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 534.833406][ T74] netlink_rcv_skb+0x130/0x360 [ 534.833406][ T74] netlink_unicast+0x449/0x710 [ 534.833406][ T74] netlink_sendmsg+0x723/0xbe0 [ 534.833406][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 534.833406][ T74] ___sys_sendmsg+0xee/0x170 [ 534.833406][ T74] __sys_sendmsg+0xcd/0x170 [ 534.833406][ T74] do_syscall_64+0xc6/0x1e0 [ 534.833406][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 534.833406][ T74] [ 534.835675][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 534.835675][ T74] netdev_get_by_index+0x5e/0x80 [ 534.835675][ T74] fib6_nh_init+0x3d8/0x1580 [ 534.835675][ T74] ip6_route_info_create+0xf18/0x17d0 [ 534.835675][ T74] ip6_route_add+0x1c/0x140 [ 534.835675][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 534.835675][ T74] addrconf_add_dev+0xe2/0x170 [ 534.835675][ T74] inet6_addr_add+0x12f/0xa40 [ 534.835675][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 534.835675][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 534.835675][ T74] netlink_rcv_skb+0x130/0x360 [ 534.835675][ T74] netlink_unicast+0x449/0x710 [ 534.835675][ T74] netlink_sendmsg+0x723/0xbe0 [ 534.835675][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 534.835675][ T74] ___sys_sendmsg+0xee/0x170 [ 534.835675][ T74] __sys_sendmsg+0xcd/0x170 [ 534.835675][ T74] do_syscall_64+0xc6/0x1e0 [ 534.835675][ T74] [ 534.837857][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 534.837857][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 534.837857][ T74] ipv6_find_idev+0x102/0x170 [ 534.837857][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 534.837857][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 534.837857][ T74] netlink_rcv_skb+0x130/0x360 [ 534.837857][ T74] netlink_unicast+0x449/0x710 [ 534.837857][ T74] netlink_sendmsg+0x723/0xbe0 [ 534.837857][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 534.837857][ T74] ___sys_sendmsg+0xee/0x170 [ 534.837857][ T74] __sys_sendmsg+0xcd/0x170 [ 534.837857][ T74] do_syscall_64+0xc6/0x1e0 [ 534.837857][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 534.837857][ T74] [ 534.839665][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 534.839665][ T74] neigh_parms_alloc+0x1e5/0x510 [ 534.839665][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 534.839665][ T74] ipv6_find_idev+0x102/0x170 [ 534.839665][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 534.839665][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 534.839665][ T74] netlink_rcv_skb+0x130/0x360 [ 534.839665][ T74] netlink_unicast+0x449/0x710 [ 534.839665][ T74] netlink_sendmsg+0x723/0xbe0 [ 534.839665][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 534.839665][ T74] ___sys_sendmsg+0xee/0x170 [ 534.839665][ T74] __sys_sendmsg+0xcd/0x170 [ 534.839665][ T74] do_syscall_64+0xc6/0x1e0 [ 534.839665][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 534.839665][ T74] [ 534.842024][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 534.842651][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 534.842651][ T74] netdev_get_by_index+0x5e/0x80 [ 534.842651][ T74] fib6_nh_init+0x3d8/0x1580 [ 534.842651][ T74] ip6_route_info_create+0xf18/0x17d0 [ 534.842651][ T74] ip6_route_add+0x1c/0x140 [ 534.842651][ T74] addrconf_prefix_route+0x2a6/0x430 [ 534.842651][ T74] inet6_addr_add+0x4f8/0xa40 [ 534.842651][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 534.842651][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 534.842651][ T74] netlink_rcv_skb+0x130/0x360 [ 534.842651][ T74] netlink_unicast+0x449/0x710 [ 534.842651][ T74] netlink_sendmsg+0x723/0xbe0 [ 534.842651][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 534.842651][ T74] ___sys_sendmsg+0xee/0x170 [ 534.842651][ T74] __sys_sendmsg+0xcd/0x170 [ 534.842651][ T74] do_syscall_64+0xc6/0x1e0 [ 534.842651][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 534.842651][ T74] [ 534.846068][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 534.846068][ T74] netdev_get_by_index+0x5e/0x80 [ 534.846068][ T74] fib6_nh_init+0x3d8/0x1580 [ 534.846068][ T74] ip6_route_info_create+0xf18/0x17d0 [ 534.846068][ T74] addrconf_f6i_alloc+0x315/0x560 [ 534.846068][ T74] ipv6_add_addr+0x411/0x2000 [ 534.846068][ T74] inet6_addr_add+0x30e/0xa40 [ 534.846068][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 534.846068][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 534.846068][ T74] netlink_rcv_skb+0x130/0x360 [ 534.846068][ T74] netlink_unicast+0x449/0x710 [ 534.846068][ T74] netlink_sendmsg+0x723/0xbe0 [ 534.846068][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 534.846068][ T74] ___sys_sendmsg+0xee/0x170 [ 534.846068][ T74] __sys_sendmsg+0xcd/0x170 [ 534.846068][ T74] do_syscall_64+0xc6/0x1e0 [ 534.846068][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 534.846068][ T74] [ 534.849689][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 534.849689][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 534.849689][ T74] ipv6_find_idev+0x102/0x170 [ 534.849689][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 534.849689][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 534.849689][ T74] netlink_rcv_skb+0x130/0x360 [ 534.849689][ T74] netlink_unicast+0x449/0x710 [ 534.849689][ T74] netlink_sendmsg+0x723/0xbe0 [ 534.849689][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 534.849689][ T74] ___sys_sendmsg+0xee/0x170 [ 534.849689][ T74] __sys_sendmsg+0xcd/0x170 [ 534.849689][ T74] do_syscall_64+0xc6/0x1e0 [ 534.849689][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 534.849689][ T74] [ 534.852247][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 534.852247][ T74] neigh_parms_alloc+0x1e5/0x510 [ 534.852247][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 534.852247][ T74] ipv6_find_idev+0x102/0x170 [ 534.852247][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 534.852247][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 534.852247][ T74] netlink_rcv_skb+0x130/0x360 [ 534.852247][ T74] netlink_unicast+0x449/0x710 [ 534.852247][ T74] netlink_sendmsg+0x723/0xbe0 [ 534.852247][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 534.852247][ T74] ___sys_sendmsg+0xee/0x170 [ 534.852247][ T74] __sys_sendmsg+0xcd/0x170 [ 534.852247][ T74] do_syscall_64+0xc6/0x1e0 [ 534.852247][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 534.852247][ T74] [ 539.125349][ T3805] veth0: renamed from veth1 [ 543.135826][ T3832] br0: port 1(vx0) entered blocking state [ 543.136527][ T3832] br0: port 1(vx0) entered disabled state [ 543.136706][ T3832] vx0: entered allmulticast mode [ 543.137918][ T3832] vx0: entered promiscuous mode [ 543.139762][ T3832] br0: port 1(vx0) entered blocking state [ 543.139942][ T3832] br0: port 1(vx0) entered forwarding state [ 544.991915][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 544.992282][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 544.992282][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 544.992282][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 544.992282][ T74] fib6_nh_init+0xa22/0x1580 [ 544.992282][ T74] ip6_route_info_create+0xf18/0x17d0 [ 544.992282][ T74] ip6_route_add+0x1c/0x140 [ 544.992282][ T74] inet6_rtm_newroute+0x104/0x110 [ 544.992282][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 544.992282][ T74] netlink_rcv_skb+0x130/0x360 [ 544.992282][ T74] netlink_unicast+0x449/0x710 [ 544.992282][ T74] netlink_sendmsg+0x723/0xbe0 [ 544.992282][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 544.992282][ T74] ___sys_sendmsg+0xee/0x170 [ 544.992282][ T74] __sys_sendmsg+0xcd/0x170 [ 544.992282][ T74] do_syscall_64+0xc6/0x1e0 [ 544.992282][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 544.992282][ T74] [ 544.994266][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 544.994266][ T74] netdev_get_by_index+0x5e/0x80 [ 544.994266][ T74] fib6_nh_init+0x3d8/0x1580 [ 544.994266][ T74] ip6_route_info_create+0xf18/0x17d0 [ 544.994266][ T74] addrconf_f6i_alloc+0x265/0x560 [ 544.994266][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 544.994266][ T74] addrconf_join_anycast+0x1c0/0x220 [ 544.994266][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 544.994266][ T74] addrconf_dad_completed+0x12b/0xe20 [ 544.994266][ T74] addrconf_dad_begin+0x310/0x670 [ 544.994266][ T74] addrconf_dad_work+0x10b/0xab0 [ 544.994266][ T74] process_one_work+0x84d/0x18a0 [ 544.994266][ T74] worker_thread+0x587/0xd30 [ 544.994266][ T74] kthread+0x28a/0x350 [ 544.994266][ T74] ret_from_fork+0x31/0x70 [ 544.994266][ T74] ret_from_fork_asm+0x1a/0x30 [ 544.994266][ T74] [ 544.996239][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 544.996239][ T74] netdev_get_by_index+0x5e/0x80 [ 544.996239][ T74] fib6_nh_init+0x3d8/0x1580 [ 544.996239][ T74] ip6_route_info_create+0xf18/0x17d0 [ 544.996239][ T74] ip6_route_add+0x1c/0x140 [ 544.996239][ T74] addrconf_prefix_route+0x2a6/0x430 [ 544.996239][ T74] inet6_addr_add+0x4f8/0xa40 [ 544.996239][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 544.996239][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 544.996239][ T74] netlink_rcv_skb+0x130/0x360 [ 544.996239][ T74] netlink_unicast+0x449/0x710 [ 544.996239][ T74] netlink_sendmsg+0x723/0xbe0 [ 544.996239][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 544.996239][ T74] ___sys_sendmsg+0xee/0x170 [ 544.996239][ T74] __sys_sendmsg+0xcd/0x170 [ 544.996239][ T74] do_syscall_64+0xc6/0x1e0 [ 544.996239][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 544.996239][ T74] [ 544.998280][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 544.998280][ T74] netdev_get_by_index+0x5e/0x80 [ 544.998280][ T74] fib6_nh_init+0x3d8/0x1580 [ 544.998280][ T74] ip6_route_info_create+0xf18/0x17d0 [ 544.998280][ T74] addrconf_f6i_alloc+0x315/0x560 [ 544.998280][ T74] ipv6_add_addr+0x411/0x2000 [ 544.998280][ T74] inet6_addr_add+0x30e/0xa40 [ 544.998280][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 544.998280][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 544.998280][ T74] netlink_rcv_skb+0x130/0x360 [ 544.998280][ T74] netlink_unicast+0x449/0x710 [ 544.998280][ T74] netlink_sendmsg+0x723/0xbe0 [ 544.998280][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 544.998280][ T74] ___sys_sendmsg+0xee/0x170 [ 544.998280][ T74] __sys_sendmsg+0xcd/0x170 [ 544.998280][ T74] do_syscall_64+0xc6/0x1e0 [ 544.998280][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 544.998280][ T74] [ 545.000310][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 545.000310][ T74] netdev_get_by_index+0x5e/0x80 [ 545.000310][ T74] fib6_nh_init+0x3d8/0x1580 [ 545.000310][ T74] ip6_route_info_create+0xf18/0x17d0 [ 545.000310][ T74] ip6_route_add+0x1c/0x140 [ 545.000310][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 545.000310][ T74] addrconf_add_dev+0xe2/0x170 [ 545.000310][ T74] inet6_addr_add+0x12f/0xa40 [ 545.000310][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 545.000310][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 545.000310][ T74] netlink_rcv_skb+0x130/0x360 [ 545.000310][ T74] netlink_unicast+0x449/0x710 [ 545.000310][ T74] netlink_sendmsg+0x723/0xbe0 [ 545.000310][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 545.000310][ T74] ___sys_sendmsg+0xee/0x170 [ 545.000310][ T74] __sys_sendmsg+0xcd/0x170 [ 545.000310][ T74] do_syscall_64+0xc6/0x1e0 [ 545.000310][ T74] [ 545.002301][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 545.002301][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 545.002301][ T74] ipv6_find_idev+0x102/0x170 [ 545.002301][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 545.002301][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 545.002301][ T74] netlink_rcv_skb+0x130/0x360 [ 545.002301][ T74] netlink_unicast+0x449/0x710 [ 545.002301][ T74] netlink_sendmsg+0x723/0xbe0 [ 545.002301][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 545.002301][ T74] ___sys_sendmsg+0xee/0x170 [ 545.002301][ T74] __sys_sendmsg+0xcd/0x170 [ 545.002301][ T74] do_syscall_64+0xc6/0x1e0 [ 545.002301][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 545.002301][ T74] [ 545.003864][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 545.003864][ T74] neigh_parms_alloc+0x1e5/0x510 [ 545.003864][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 545.003864][ T74] ipv6_find_idev+0x102/0x170 [ 545.003864][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 545.003864][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 545.003864][ T74] netlink_rcv_skb+0x130/0x360 [ 545.003864][ T74] netlink_unicast+0x449/0x710 [ 545.003864][ T74] netlink_sendmsg+0x723/0xbe0 [ 545.003864][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 545.003864][ T74] ___sys_sendmsg+0xee/0x170 [ 545.003864][ T74] __sys_sendmsg+0xcd/0x170 [ 545.003864][ T74] do_syscall_64+0xc6/0x1e0 [ 545.003864][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 545.003864][ T74] [ 545.006161][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 545.006466][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 545.006466][ T74] dst_init+0x84/0x4a0 [ 545.006466][ T74] dst_alloc+0x97/0x150 [ 545.006466][ T74] ip6_dst_alloc+0x23/0x90 [ 545.006466][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 545.006466][ T74] ip6_pol_route+0x56f/0x840 [ 545.006466][ T74] fib6_rule_lookup+0x456/0x630 [ 545.006466][ T74] ip6_route_input+0x59c/0xa50 [ 545.006466][ T74] ipv6_rcv+0x397/0x810 [ 545.006466][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 545.006466][ T74] process_backlog+0x101/0x620 [ 545.006466][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 545.006466][ T74] net_rx_action+0x495/0xbe0 [ 545.006466][ T74] __do_softirq+0x1b5/0x7f6 [ 545.006466][ T74] [ 545.008148][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 545.008148][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 545.008148][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 545.008148][ T74] fib6_nh_init+0xa22/0x1580 [ 545.008148][ T74] ip6_route_info_create+0xf18/0x17d0 [ 545.008148][ T74] ip6_route_add+0x1c/0x140 [ 545.008148][ T74] inet6_rtm_newroute+0x104/0x110 [ 545.008148][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 545.008148][ T74] netlink_rcv_skb+0x130/0x360 [ 545.008148][ T74] netlink_unicast+0x449/0x710 [ 545.008148][ T74] netlink_sendmsg+0x723/0xbe0 [ 545.008148][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 545.008148][ T74] ___sys_sendmsg+0xee/0x170 [ 545.008148][ T74] __sys_sendmsg+0xcd/0x170 [ 545.008148][ T74] do_syscall_64+0xc6/0x1e0 [ 545.008148][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 545.008148][ T74] [ 545.010108][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 545.010108][ T74] netdev_get_by_index+0x5e/0x80 [ 545.010108][ T74] fib6_nh_init+0x3d8/0x1580 [ 545.010108][ T74] ip6_route_info_create+0xf18/0x17d0 [ 545.010108][ T74] addrconf_f6i_alloc+0x265/0x560 [ 545.010108][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 545.010108][ T74] addrconf_join_anycast+0x1c0/0x220 [ 545.010108][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 545.010108][ T74] addrconf_dad_completed+0x12b/0xe20 [ 545.010108][ T74] addrconf_dad_begin+0x310/0x670 [ 545.010108][ T74] addrconf_dad_work+0x10b/0xab0 [ 545.010108][ T74] process_one_work+0x84d/0x18a0 [ 545.010108][ T74] worker_thread+0x587/0xd30 [ 545.010108][ T74] kthread+0x28a/0x350 [ 545.010108][ T74] ret_from_fork+0x31/0x70 [ 545.010108][ T74] ret_from_fork_asm+0x1a/0x30 [ 545.010108][ T74] [ 545.012228][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 545.012228][ T74] netdev_get_by_index+0x5e/0x80 [ 545.012228][ T74] fib6_nh_init+0x3d8/0x1580 [ 545.012228][ T74] ip6_route_info_create+0xf18/0x17d0 [ 545.012228][ T74] ip6_route_add+0x1c/0x140 [ 545.012228][ T74] addrconf_prefix_route+0x2a6/0x430 [ 545.012228][ T74] inet6_addr_add+0x4f8/0xa40 [ 545.012228][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 545.012228][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 545.012228][ T74] netlink_rcv_skb+0x130/0x360 [ 545.012228][ T74] netlink_unicast+0x449/0x710 [ 545.012228][ T74] netlink_sendmsg+0x723/0xbe0 [ 545.012228][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 545.012228][ T74] ___sys_sendmsg+0xee/0x170 [ 545.012228][ T74] __sys_sendmsg+0xcd/0x170 [ 545.012228][ T74] do_syscall_64+0xc6/0x1e0 [ 545.012228][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 545.012228][ T74] [ 545.014555][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 545.014555][ T74] netdev_get_by_index+0x5e/0x80 [ 545.014555][ T74] fib6_nh_init+0x3d8/0x1580 [ 545.014555][ T74] ip6_route_info_create+0xf18/0x17d0 [ 545.014555][ T74] addrconf_f6i_alloc+0x315/0x560 [ 545.014555][ T74] ipv6_add_addr+0x411/0x2000 [ 545.014555][ T74] inet6_addr_add+0x30e/0xa40 [ 545.014555][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 545.014555][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 545.014555][ T74] netlink_rcv_skb+0x130/0x360 [ 545.014555][ T74] netlink_unicast+0x449/0x710 [ 545.014555][ T74] netlink_sendmsg+0x723/0xbe0 [ 545.014555][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 545.014555][ T74] ___sys_sendmsg+0xee/0x170 [ 545.014555][ T74] __sys_sendmsg+0xcd/0x170 [ 545.014555][ T74] do_syscall_64+0xc6/0x1e0 [ 545.014555][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 545.014555][ T74] [ 545.016877][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 545.016877][ T74] netdev_get_by_index+0x5e/0x80 [ 545.016877][ T74] fib6_nh_init+0x3d8/0x1580 [ 545.016877][ T74] ip6_route_info_create+0xf18/0x17d0 [ 545.016877][ T74] ip6_route_add+0x1c/0x140 [ 545.016877][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 545.016877][ T74] addrconf_add_dev+0xe2/0x170 [ 545.016877][ T74] inet6_addr_add+0x12f/0xa40 [ 545.016877][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 545.016877][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 545.016877][ T74] netlink_rcv_skb+0x130/0x360 [ 545.016877][ T74] netlink_unicast+0x449/0x710 [ 545.016877][ T74] netlink_sendmsg+0x723/0xbe0 [ 545.016877][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 545.016877][ T74] ___sys_sendmsg+0xee/0x170 [ 545.016877][ T74] __sys_sendmsg+0xcd/0x170 [ 545.016877][ T74] do_syscall_64+0xc6/0x1e0 [ 545.016877][ T74] [ 545.019225][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 545.019225][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 545.019225][ T74] ipv6_find_idev+0x102/0x170 [ 545.019225][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 545.019225][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 545.019225][ T74] netlink_rcv_skb+0x130/0x360 [ 545.019225][ T74] netlink_unicast+0x449/0x710 [ 545.019225][ T74] netlink_sendmsg+0x723/0xbe0 [ 545.019225][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 545.019225][ T74] ___sys_sendmsg+0xee/0x170 [ 545.019225][ T74] __sys_sendmsg+0xcd/0x170 [ 545.019225][ T74] do_syscall_64+0xc6/0x1e0 [ 545.019225][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 545.019225][ T74] [ 545.020978][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 545.020978][ T74] neigh_parms_alloc+0x1e5/0x510 [ 545.020978][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 545.020978][ T74] ipv6_find_idev+0x102/0x170 [ 545.020978][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 545.020978][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 545.020978][ T74] netlink_rcv_skb+0x130/0x360 [ 545.020978][ T74] netlink_unicast+0x449/0x710 [ 545.020978][ T74] netlink_sendmsg+0x723/0xbe0 [ 545.020978][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 545.020978][ T74] ___sys_sendmsg+0xee/0x170 [ 545.020978][ T74] __sys_sendmsg+0xcd/0x170 [ 545.020978][ T74] do_syscall_64+0xc6/0x1e0 [ 545.020978][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 545.020978][ T74] [ 545.022943][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 545.023199][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 545.023199][ T74] netdev_get_by_index+0x5e/0x80 [ 545.023199][ T74] fib6_nh_init+0x3d8/0x1580 [ 545.023199][ T74] ip6_route_info_create+0xf18/0x17d0 [ 545.023199][ T74] ip6_route_add+0x1c/0x140 [ 545.023199][ T74] addrconf_prefix_route+0x2a6/0x430 [ 545.023199][ T74] inet6_addr_add+0x4f8/0xa40 [ 545.023199][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 545.023199][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 545.023199][ T74] netlink_rcv_skb+0x130/0x360 [ 545.023199][ T74] netlink_unicast+0x449/0x710 [ 545.023199][ T74] netlink_sendmsg+0x723/0xbe0 [ 545.023199][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 545.023199][ T74] ___sys_sendmsg+0xee/0x170 [ 545.023199][ T74] __sys_sendmsg+0xcd/0x170 [ 545.023199][ T74] do_syscall_64+0xc6/0x1e0 [ 545.023199][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 545.023199][ T74] [ 545.025606][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 545.025606][ T74] netdev_get_by_index+0x5e/0x80 [ 545.025606][ T74] fib6_nh_init+0x3d8/0x1580 [ 545.025606][ T74] ip6_route_info_create+0xf18/0x17d0 [ 545.025606][ T74] addrconf_f6i_alloc+0x315/0x560 [ 545.025606][ T74] ipv6_add_addr+0x411/0x2000 [ 545.025606][ T74] inet6_addr_add+0x30e/0xa40 [ 545.025606][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 545.025606][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 545.025606][ T74] netlink_rcv_skb+0x130/0x360 [ 545.025606][ T74] netlink_unicast+0x449/0x710 [ 545.025606][ T74] netlink_sendmsg+0x723/0xbe0 [ 545.025606][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 545.025606][ T74] ___sys_sendmsg+0xee/0x170 [ 545.025606][ T74] __sys_sendmsg+0xcd/0x170 [ 545.025606][ T74] do_syscall_64+0xc6/0x1e0 [ 545.025606][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 545.025606][ T74] [ 545.028199][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 545.028199][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 545.028199][ T74] ipv6_find_idev+0x102/0x170 [ 545.028199][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 545.028199][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 545.028199][ T74] netlink_rcv_skb+0x130/0x360 [ 545.028199][ T74] netlink_unicast+0x449/0x710 [ 545.028199][ T74] netlink_sendmsg+0x723/0xbe0 [ 545.028199][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 545.028199][ T74] ___sys_sendmsg+0xee/0x170 [ 545.028199][ T74] __sys_sendmsg+0xcd/0x170 [ 545.028199][ T74] do_syscall_64+0xc6/0x1e0 [ 545.028199][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 545.028199][ T74] [ 545.030236][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 545.030236][ T74] neigh_parms_alloc+0x1e5/0x510 [ 545.030236][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 545.030236][ T74] ipv6_find_idev+0x102/0x170 [ 545.030236][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 545.030236][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 545.030236][ T74] netlink_rcv_skb+0x130/0x360 [ 545.030236][ T74] netlink_unicast+0x449/0x710 [ 545.030236][ T74] netlink_sendmsg+0x723/0xbe0 [ 545.030236][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 545.030236][ T74] ___sys_sendmsg+0xee/0x170 [ 545.030236][ T74] __sys_sendmsg+0xcd/0x170 [ 545.030236][ T74] do_syscall_64+0xc6/0x1e0 [ 545.030236][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 545.030236][ T74] [ 548.672910][ T3862] br0: port 1(vx0) entered blocking state [ 548.673142][ T3862] br0: port 1(vx0) entered disabled state [ 548.673339][ T3862] vx0: entered allmulticast mode [ 548.674627][ T3862] vx0: entered promiscuous mode [ 548.676664][ T3862] br0: port 1(vx0) entered blocking state [ 548.676873][ T3862] br0: port 1(vx0) entered forwarding state [ 552.741803][ T3893] veth0: renamed from veth1 [ 555.127879][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 555.128261][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 555.128261][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 555.128261][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 555.128261][ T74] fib6_nh_init+0xa22/0x1580 [ 555.128261][ T74] ip6_route_info_create+0xf18/0x17d0 [ 555.128261][ T74] ip6_route_add+0x1c/0x140 [ 555.128261][ T74] inet6_rtm_newroute+0x104/0x110 [ 555.128261][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 555.128261][ T74] netlink_rcv_skb+0x130/0x360 [ 555.128261][ T74] netlink_unicast+0x449/0x710 [ 555.128261][ T74] netlink_sendmsg+0x723/0xbe0 [ 555.128261][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 555.128261][ T74] ___sys_sendmsg+0xee/0x170 [ 555.128261][ T74] __sys_sendmsg+0xcd/0x170 [ 555.128261][ T74] do_syscall_64+0xc6/0x1e0 [ 555.128261][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 555.128261][ T74] [ 555.130449][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 555.130449][ T74] netdev_get_by_index+0x5e/0x80 [ 555.130449][ T74] fib6_nh_init+0x3d8/0x1580 [ 555.130449][ T74] ip6_route_info_create+0xf18/0x17d0 [ 555.130449][ T74] addrconf_f6i_alloc+0x265/0x560 [ 555.130449][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 555.130449][ T74] addrconf_join_anycast+0x1c0/0x220 [ 555.130449][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 555.130449][ T74] addrconf_dad_completed+0x12b/0xe20 [ 555.130449][ T74] addrconf_dad_begin+0x310/0x670 [ 555.130449][ T74] addrconf_dad_work+0x10b/0xab0 [ 555.130449][ T74] process_one_work+0x84d/0x18a0 [ 555.130449][ T74] worker_thread+0x587/0xd30 [ 555.130449][ T74] kthread+0x28a/0x350 [ 555.130449][ T74] ret_from_fork+0x31/0x70 [ 555.130449][ T74] ret_from_fork_asm+0x1a/0x30 [ 555.130449][ T74] [ 555.132606][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 555.132606][ T74] netdev_get_by_index+0x5e/0x80 [ 555.132606][ T74] fib6_nh_init+0x3d8/0x1580 [ 555.132606][ T74] ip6_route_info_create+0xf18/0x17d0 [ 555.132606][ T74] ip6_route_add+0x1c/0x140 [ 555.132606][ T74] addrconf_prefix_route+0x2a6/0x430 [ 555.132606][ T74] inet6_addr_add+0x4f8/0xa40 [ 555.132606][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 555.132606][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 555.132606][ T74] netlink_rcv_skb+0x130/0x360 [ 555.132606][ T74] netlink_unicast+0x449/0x710 [ 555.132606][ T74] netlink_sendmsg+0x723/0xbe0 [ 555.132606][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 555.132606][ T74] ___sys_sendmsg+0xee/0x170 [ 555.132606][ T74] __sys_sendmsg+0xcd/0x170 [ 555.132606][ T74] do_syscall_64+0xc6/0x1e0 [ 555.132606][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 555.132606][ T74] [ 555.134743][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 555.134743][ T74] netdev_get_by_index+0x5e/0x80 [ 555.134743][ T74] fib6_nh_init+0x3d8/0x1580 [ 555.134743][ T74] ip6_route_info_create+0xf18/0x17d0 [ 555.134743][ T74] addrconf_f6i_alloc+0x315/0x560 [ 555.134743][ T74] ipv6_add_addr+0x411/0x2000 [ 555.134743][ T74] inet6_addr_add+0x30e/0xa40 [ 555.134743][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 555.134743][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 555.134743][ T74] netlink_rcv_skb+0x130/0x360 [ 555.134743][ T74] netlink_unicast+0x449/0x710 [ 555.134743][ T74] netlink_sendmsg+0x723/0xbe0 [ 555.134743][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 555.134743][ T74] ___sys_sendmsg+0xee/0x170 [ 555.134743][ T74] __sys_sendmsg+0xcd/0x170 [ 555.134743][ T74] do_syscall_64+0xc6/0x1e0 [ 555.134743][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 555.134743][ T74] [ 555.136799][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 555.136799][ T74] netdev_get_by_index+0x5e/0x80 [ 555.136799][ T74] fib6_nh_init+0x3d8/0x1580 [ 555.136799][ T74] ip6_route_info_create+0xf18/0x17d0 [ 555.136799][ T74] ip6_route_add+0x1c/0x140 [ 555.136799][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 555.136799][ T74] addrconf_add_dev+0xe2/0x170 [ 555.136799][ T74] inet6_addr_add+0x12f/0xa40 [ 555.136799][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 555.136799][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 555.136799][ T74] netlink_rcv_skb+0x130/0x360 [ 555.136799][ T74] netlink_unicast+0x449/0x710 [ 555.136799][ T74] netlink_sendmsg+0x723/0xbe0 [ 555.136799][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 555.136799][ T74] ___sys_sendmsg+0xee/0x170 [ 555.136799][ T74] __sys_sendmsg+0xcd/0x170 [ 555.136799][ T74] do_syscall_64+0xc6/0x1e0 [ 555.136799][ T74] [ 555.138796][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 555.138796][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 555.138796][ T74] ipv6_find_idev+0x102/0x170 [ 555.138796][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 555.138796][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 555.138796][ T74] netlink_rcv_skb+0x130/0x360 [ 555.138796][ T74] netlink_unicast+0x449/0x710 [ 555.138796][ T74] netlink_sendmsg+0x723/0xbe0 [ 555.138796][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 555.138796][ T74] ___sys_sendmsg+0xee/0x170 [ 555.138796][ T74] __sys_sendmsg+0xcd/0x170 [ 555.138796][ T74] do_syscall_64+0xc6/0x1e0 [ 555.138796][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 555.138796][ T74] [ 555.140381][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 555.140381][ T74] neigh_parms_alloc+0x1e5/0x510 [ 555.140381][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 555.140381][ T74] ipv6_find_idev+0x102/0x170 [ 555.140381][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 555.140381][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 555.140381][ T74] netlink_rcv_skb+0x130/0x360 [ 555.140381][ T74] netlink_unicast+0x449/0x710 [ 555.140381][ T74] netlink_sendmsg+0x723/0xbe0 [ 555.140381][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 555.140381][ T74] ___sys_sendmsg+0xee/0x170 [ 555.140381][ T74] __sys_sendmsg+0xcd/0x170 [ 555.140381][ T74] do_syscall_64+0xc6/0x1e0 [ 555.140381][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 555.140381][ T74] [ 555.142128][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 555.142422][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 555.142422][ T74] dst_init+0x84/0x4a0 [ 555.142422][ T74] dst_alloc+0x97/0x150 [ 555.142422][ T74] ip6_dst_alloc+0x23/0x90 [ 555.142422][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 555.142422][ T74] ip6_pol_route+0x56f/0x840 [ 555.142422][ T74] fib6_rule_lookup+0x456/0x630 [ 555.142422][ T74] ip6_route_input+0x59c/0xa50 [ 555.142422][ T74] ipv6_rcv+0x397/0x810 [ 555.142422][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 555.142422][ T74] process_backlog+0x101/0x620 [ 555.142422][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 555.142422][ T74] net_rx_action+0x495/0xbe0 [ 555.142422][ T74] __do_softirq+0x1b5/0x7f6 [ 555.142422][ T74] [ 555.144134][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 555.144134][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 555.144134][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 555.144134][ T74] fib6_nh_init+0xa22/0x1580 [ 555.144134][ T74] ip6_route_info_create+0xf18/0x17d0 [ 555.144134][ T74] ip6_route_add+0x1c/0x140 [ 555.144134][ T74] inet6_rtm_newroute+0x104/0x110 [ 555.144134][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 555.144134][ T74] netlink_rcv_skb+0x130/0x360 [ 555.144134][ T74] netlink_unicast+0x449/0x710 [ 555.144134][ T74] netlink_sendmsg+0x723/0xbe0 [ 555.144134][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 555.144134][ T74] ___sys_sendmsg+0xee/0x170 [ 555.144134][ T74] __sys_sendmsg+0xcd/0x170 [ 555.144134][ T74] do_syscall_64+0xc6/0x1e0 [ 555.144134][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 555.144134][ T74] [ 555.146039][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 555.146039][ T74] netdev_get_by_index+0x5e/0x80 [ 555.146039][ T74] fib6_nh_init+0x3d8/0x1580 [ 555.146039][ T74] ip6_route_info_create+0xf18/0x17d0 [ 555.146039][ T74] addrconf_f6i_alloc+0x265/0x560 [ 555.146039][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 555.146039][ T74] addrconf_join_anycast+0x1c0/0x220 [ 555.146039][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 555.146039][ T74] addrconf_dad_completed+0x12b/0xe20 [ 555.146039][ T74] addrconf_dad_begin+0x310/0x670 [ 555.146039][ T74] addrconf_dad_work+0x10b/0xab0 [ 555.146039][ T74] process_one_work+0x84d/0x18a0 [ 555.146039][ T74] worker_thread+0x587/0xd30 [ 555.146039][ T74] kthread+0x28a/0x350 [ 555.146039][ T74] ret_from_fork+0x31/0x70 [ 555.146039][ T74] ret_from_fork_asm+0x1a/0x30 [ 555.146039][ T74] [ 555.147985][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 555.147985][ T74] netdev_get_by_index+0x5e/0x80 [ 555.147985][ T74] fib6_nh_init+0x3d8/0x1580 [ 555.147985][ T74] ip6_route_info_create+0xf18/0x17d0 [ 555.147985][ T74] ip6_route_add+0x1c/0x140 [ 555.147985][ T74] addrconf_prefix_route+0x2a6/0x430 [ 555.147985][ T74] inet6_addr_add+0x4f8/0xa40 [ 555.147985][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 555.147985][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 555.147985][ T74] netlink_rcv_skb+0x130/0x360 [ 555.147985][ T74] netlink_unicast+0x449/0x710 [ 555.147985][ T74] netlink_sendmsg+0x723/0xbe0 [ 555.147985][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 555.147985][ T74] ___sys_sendmsg+0xee/0x170 [ 555.147985][ T74] __sys_sendmsg+0xcd/0x170 [ 555.147985][ T74] do_syscall_64+0xc6/0x1e0 [ 555.147985][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 555.147985][ T74] [ 555.150128][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 555.150128][ T74] netdev_get_by_index+0x5e/0x80 [ 555.150128][ T74] fib6_nh_init+0x3d8/0x1580 [ 555.150128][ T74] ip6_route_info_create+0xf18/0x17d0 [ 555.150128][ T74] addrconf_f6i_alloc+0x315/0x560 [ 555.150128][ T74] ipv6_add_addr+0x411/0x2000 [ 555.150128][ T74] inet6_addr_add+0x30e/0xa40 [ 555.150128][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 555.150128][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 555.150128][ T74] netlink_rcv_skb+0x130/0x360 [ 555.150128][ T74] netlink_unicast+0x449/0x710 [ 555.150128][ T74] netlink_sendmsg+0x723/0xbe0 [ 555.150128][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 555.150128][ T74] ___sys_sendmsg+0xee/0x170 [ 555.150128][ T74] __sys_sendmsg+0xcd/0x170 [ 555.150128][ T74] do_syscall_64+0xc6/0x1e0 [ 555.150128][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 555.150128][ T74] [ 555.152408][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 555.152408][ T74] netdev_get_by_index+0x5e/0x80 [ 555.152408][ T74] fib6_nh_init+0x3d8/0x1580 [ 555.152408][ T74] ip6_route_info_create+0xf18/0x17d0 [ 555.152408][ T74] ip6_route_add+0x1c/0x140 [ 555.152408][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 555.152408][ T74] addrconf_add_dev+0xe2/0x170 [ 555.152408][ T74] inet6_addr_add+0x12f/0xa40 [ 555.152408][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 555.152408][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 555.152408][ T74] netlink_rcv_skb+0x130/0x360 [ 555.152408][ T74] netlink_unicast+0x449/0x710 [ 555.152408][ T74] netlink_sendmsg+0x723/0xbe0 [ 555.152408][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 555.152408][ T74] ___sys_sendmsg+0xee/0x170 [ 555.152408][ T74] __sys_sendmsg+0xcd/0x170 [ 555.152408][ T74] do_syscall_64+0xc6/0x1e0 [ 555.152408][ T74] [ 555.155143][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 555.155143][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 555.155143][ T74] ipv6_find_idev+0x102/0x170 [ 555.155143][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 555.155143][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 555.155143][ T74] netlink_rcv_skb+0x130/0x360 [ 555.155143][ T74] netlink_unicast+0x449/0x710 [ 555.155143][ T74] netlink_sendmsg+0x723/0xbe0 [ 555.155143][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 555.155143][ T74] ___sys_sendmsg+0xee/0x170 [ 555.155143][ T74] __sys_sendmsg+0xcd/0x170 [ 555.155143][ T74] do_syscall_64+0xc6/0x1e0 [ 555.155143][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 555.155143][ T74] [ 555.157385][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 555.157385][ T74] neigh_parms_alloc+0x1e5/0x510 [ 555.157385][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 555.157385][ T74] ipv6_find_idev+0x102/0x170 [ 555.157385][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 555.157385][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 555.157385][ T74] netlink_rcv_skb+0x130/0x360 [ 555.157385][ T74] netlink_unicast+0x449/0x710 [ 555.157385][ T74] netlink_sendmsg+0x723/0xbe0 [ 555.157385][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 555.157385][ T74] ___sys_sendmsg+0xee/0x170 [ 555.157385][ T74] __sys_sendmsg+0xcd/0x170 [ 555.157385][ T74] do_syscall_64+0xc6/0x1e0 [ 555.157385][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 555.157385][ T74] [ 555.159422][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 555.159681][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 555.159681][ T74] netdev_get_by_index+0x5e/0x80 [ 555.159681][ T74] fib6_nh_init+0x3d8/0x1580 [ 555.159681][ T74] ip6_route_info_create+0xf18/0x17d0 [ 555.159681][ T74] ip6_route_add+0x1c/0x140 [ 555.159681][ T74] addrconf_prefix_route+0x2a6/0x430 [ 555.159681][ T74] inet6_addr_add+0x4f8/0xa40 [ 555.159681][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 555.159681][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 555.159681][ T74] netlink_rcv_skb+0x130/0x360 [ 555.159681][ T74] netlink_unicast+0x449/0x710 [ 555.159681][ T74] netlink_sendmsg+0x723/0xbe0 [ 555.159681][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 555.159681][ T74] ___sys_sendmsg+0xee/0x170 [ 555.159681][ T74] __sys_sendmsg+0xcd/0x170 [ 555.159681][ T74] do_syscall_64+0xc6/0x1e0 [ 555.159681][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 555.159681][ T74] [ 555.161902][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 555.161902][ T74] netdev_get_by_index+0x5e/0x80 [ 555.161902][ T74] fib6_nh_init+0x3d8/0x1580 [ 555.161902][ T74] ip6_route_info_create+0xf18/0x17d0 [ 555.161902][ T74] addrconf_f6i_alloc+0x315/0x560 [ 555.161902][ T74] ipv6_add_addr+0x411/0x2000 [ 555.161902][ T74] inet6_addr_add+0x30e/0xa40 [ 555.161902][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 555.161902][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 555.161902][ T74] netlink_rcv_skb+0x130/0x360 [ 555.161902][ T74] netlink_unicast+0x449/0x710 [ 555.161902][ T74] netlink_sendmsg+0x723/0xbe0 [ 555.161902][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 555.161902][ T74] ___sys_sendmsg+0xee/0x170 [ 555.161902][ T74] __sys_sendmsg+0xcd/0x170 [ 555.161902][ T74] do_syscall_64+0xc6/0x1e0 [ 555.161902][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 555.161902][ T74] [ 555.164174][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 555.164174][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 555.164174][ T74] ipv6_find_idev+0x102/0x170 [ 555.164174][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 555.164174][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 555.164174][ T74] netlink_rcv_skb+0x130/0x360 [ 555.164174][ T74] netlink_unicast+0x449/0x710 [ 555.164174][ T74] netlink_sendmsg+0x723/0xbe0 [ 555.164174][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 555.164174][ T74] ___sys_sendmsg+0xee/0x170 [ 555.164174][ T74] __sys_sendmsg+0xcd/0x170 [ 555.164174][ T74] do_syscall_64+0xc6/0x1e0 [ 555.164174][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 555.164174][ T74] [ 555.165913][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 555.165913][ T74] neigh_parms_alloc+0x1e5/0x510 [ 555.165913][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 555.165913][ T74] ipv6_find_idev+0x102/0x170 [ 555.165913][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 555.165913][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 555.165913][ T74] netlink_rcv_skb+0x130/0x360 [ 555.165913][ T74] netlink_unicast+0x449/0x710 [ 555.165913][ T74] netlink_sendmsg+0x723/0xbe0 [ 555.165913][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 555.165913][ T74] ___sys_sendmsg+0xee/0x170 [ 555.165913][ T74] __sys_sendmsg+0xcd/0x170 [ 555.165913][ T74] do_syscall_64+0xc6/0x1e0 [ 555.165913][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 555.165913][ T74] [ 556.796233][ T3920] br0: port 1(vx0) entered blocking state [ 556.796445][ T3920] br0: port 1(vx0) entered disabled state [ 556.796634][ T3920] vx0: entered allmulticast mode [ 556.797819][ T3920] vx0: entered promiscuous mode [ 556.799742][ T3920] br0: port 1(vx0) entered blocking state [ 556.799932][ T3920] br0: port 1(vx0) entered forwarding state [ 562.409370][ T3950] br0: port 1(vx0) entered blocking state [ 562.409641][ T3950] br0: port 1(vx0) entered disabled state [ 562.409835][ T3950] vx0: entered allmulticast mode [ 562.411130][ T3950] vx0: entered promiscuous mode [ 562.413168][ T3950] br0: port 1(vx0) entered blocking state [ 562.413348][ T3950] br0: port 1(vx0) entered forwarding state [ 565.840096][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 565.840647][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 565.840647][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 565.840647][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 565.840647][ T74] fib6_nh_init+0xa22/0x1580 [ 565.840647][ T74] ip6_route_info_create+0xf18/0x17d0 [ 565.840647][ T74] ip6_route_add+0x1c/0x140 [ 565.840647][ T74] inet6_rtm_newroute+0x104/0x110 [ 565.840647][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 565.840647][ T74] netlink_rcv_skb+0x130/0x360 [ 565.840647][ T74] netlink_unicast+0x449/0x710 [ 565.840647][ T74] netlink_sendmsg+0x723/0xbe0 [ 565.840647][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 565.840647][ T74] ___sys_sendmsg+0xee/0x170 [ 565.840647][ T74] __sys_sendmsg+0xcd/0x170 [ 565.840647][ T74] do_syscall_64+0xc6/0x1e0 [ 565.840647][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 565.840647][ T74] [ 565.843862][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 565.843862][ T74] netdev_get_by_index+0x5e/0x80 [ 565.843862][ T74] fib6_nh_init+0x3d8/0x1580 [ 565.843862][ T74] ip6_route_info_create+0xf18/0x17d0 [ 565.843862][ T74] addrconf_f6i_alloc+0x265/0x560 [ 565.843862][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 565.843862][ T74] addrconf_join_anycast+0x1c0/0x220 [ 565.843862][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 565.843862][ T74] addrconf_dad_completed+0x12b/0xe20 [ 565.843862][ T74] addrconf_dad_begin+0x310/0x670 [ 565.843862][ T74] addrconf_dad_work+0x10b/0xab0 [ 565.843862][ T74] process_one_work+0x84d/0x18a0 [ 565.843862][ T74] worker_thread+0x587/0xd30 [ 565.843862][ T74] kthread+0x28a/0x350 [ 565.843862][ T74] ret_from_fork+0x31/0x70 [ 565.843862][ T74] ret_from_fork_asm+0x1a/0x30 [ 565.843862][ T74] [ 565.847022][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 565.847022][ T74] netdev_get_by_index+0x5e/0x80 [ 565.847022][ T74] fib6_nh_init+0x3d8/0x1580 [ 565.847022][ T74] ip6_route_info_create+0xf18/0x17d0 [ 565.847022][ T74] ip6_route_add+0x1c/0x140 [ 565.847022][ T74] addrconf_prefix_route+0x2a6/0x430 [ 565.847022][ T74] inet6_addr_add+0x4f8/0xa40 [ 565.847022][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 565.847022][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 565.847022][ T74] netlink_rcv_skb+0x130/0x360 [ 565.847022][ T74] netlink_unicast+0x449/0x710 [ 565.847022][ T74] netlink_sendmsg+0x723/0xbe0 [ 565.847022][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 565.847022][ T74] ___sys_sendmsg+0xee/0x170 [ 565.847022][ T74] __sys_sendmsg+0xcd/0x170 [ 565.847022][ T74] do_syscall_64+0xc6/0x1e0 [ 565.847022][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 565.847022][ T74] [ 565.850068][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 565.850068][ T74] netdev_get_by_index+0x5e/0x80 [ 565.850068][ T74] fib6_nh_init+0x3d8/0x1580 [ 565.850068][ T74] ip6_route_info_create+0xf18/0x17d0 [ 565.850068][ T74] addrconf_f6i_alloc+0x315/0x560 [ 565.850068][ T74] ipv6_add_addr+0x411/0x2000 [ 565.850068][ T74] inet6_addr_add+0x30e/0xa40 [ 565.850068][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 565.850068][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 565.850068][ T74] netlink_rcv_skb+0x130/0x360 [ 565.850068][ T74] netlink_unicast+0x449/0x710 [ 565.850068][ T74] netlink_sendmsg+0x723/0xbe0 [ 565.850068][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 565.850068][ T74] ___sys_sendmsg+0xee/0x170 [ 565.850068][ T74] __sys_sendmsg+0xcd/0x170 [ 565.850068][ T74] do_syscall_64+0xc6/0x1e0 [ 565.850068][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 565.850068][ T74] [ 565.853113][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 565.853113][ T74] netdev_get_by_index+0x5e/0x80 [ 565.853113][ T74] fib6_nh_init+0x3d8/0x1580 [ 565.853113][ T74] ip6_route_info_create+0xf18/0x17d0 [ 565.853113][ T74] ip6_route_add+0x1c/0x140 [ 565.853113][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 565.853113][ T74] addrconf_add_dev+0xe2/0x170 [ 565.853113][ T74] inet6_addr_add+0x12f/0xa40 [ 565.853113][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 565.853113][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 565.853113][ T74] netlink_rcv_skb+0x130/0x360 [ 565.853113][ T74] netlink_unicast+0x449/0x710 [ 565.853113][ T74] netlink_sendmsg+0x723/0xbe0 [ 565.853113][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 565.853113][ T74] ___sys_sendmsg+0xee/0x170 [ 565.853113][ T74] __sys_sendmsg+0xcd/0x170 [ 565.853113][ T74] do_syscall_64+0xc6/0x1e0 [ 565.853113][ T74] [ 565.856092][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 565.856092][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 565.856092][ T74] ipv6_find_idev+0x102/0x170 [ 565.856092][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 565.856092][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 565.856092][ T74] netlink_rcv_skb+0x130/0x360 [ 565.856092][ T74] netlink_unicast+0x449/0x710 [ 565.856092][ T74] netlink_sendmsg+0x723/0xbe0 [ 565.856092][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 565.856092][ T74] ___sys_sendmsg+0xee/0x170 [ 565.856092][ T74] __sys_sendmsg+0xcd/0x170 [ 565.856092][ T74] do_syscall_64+0xc6/0x1e0 [ 565.856092][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 565.856092][ T74] [ 565.858502][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 565.858502][ T74] neigh_parms_alloc+0x1e5/0x510 [ 565.858502][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 565.858502][ T74] ipv6_find_idev+0x102/0x170 [ 565.858502][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 565.858502][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 565.858502][ T74] netlink_rcv_skb+0x130/0x360 [ 565.858502][ T74] netlink_unicast+0x449/0x710 [ 565.858502][ T74] netlink_sendmsg+0x723/0xbe0 [ 565.858502][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 565.858502][ T74] ___sys_sendmsg+0xee/0x170 [ 565.858502][ T74] __sys_sendmsg+0xcd/0x170 [ 565.858502][ T74] do_syscall_64+0xc6/0x1e0 [ 565.858502][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 565.858502][ T74] [ 565.861439][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 565.861911][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 565.861911][ T74] dst_init+0x84/0x4a0 [ 565.861911][ T74] dst_alloc+0x97/0x150 [ 565.861911][ T74] ip6_dst_alloc+0x23/0x90 [ 565.861911][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 565.861911][ T74] ip6_pol_route+0x56f/0x840 [ 565.861911][ T74] fib6_rule_lookup+0x456/0x630 [ 565.861911][ T74] ip6_route_input+0x59c/0xa50 [ 565.861911][ T74] ipv6_rcv+0x397/0x810 [ 565.861911][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 565.861911][ T74] process_backlog+0x101/0x620 [ 565.861911][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 565.861911][ T74] net_rx_action+0x495/0xbe0 [ 565.861911][ T74] __do_softirq+0x1b5/0x7f6 [ 565.861911][ T74] [ 565.864628][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 565.864628][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 565.864628][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 565.864628][ T74] fib6_nh_init+0xa22/0x1580 [ 565.864628][ T74] ip6_route_info_create+0xf18/0x17d0 [ 565.864628][ T74] ip6_route_add+0x1c/0x140 [ 565.864628][ T74] inet6_rtm_newroute+0x104/0x110 [ 565.864628][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 565.864628][ T74] netlink_rcv_skb+0x130/0x360 [ 565.864628][ T74] netlink_unicast+0x449/0x710 [ 565.864628][ T74] netlink_sendmsg+0x723/0xbe0 [ 565.864628][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 565.864628][ T74] ___sys_sendmsg+0xee/0x170 [ 565.864628][ T74] __sys_sendmsg+0xcd/0x170 [ 565.864628][ T74] do_syscall_64+0xc6/0x1e0 [ 565.864628][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 565.864628][ T74] [ 565.867773][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 565.867773][ T74] netdev_get_by_index+0x5e/0x80 [ 565.867773][ T74] fib6_nh_init+0x3d8/0x1580 [ 565.867773][ T74] ip6_route_info_create+0xf18/0x17d0 [ 565.867773][ T74] addrconf_f6i_alloc+0x265/0x560 [ 565.867773][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 565.867773][ T74] addrconf_join_anycast+0x1c0/0x220 [ 565.867773][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 565.867773][ T74] addrconf_dad_completed+0x12b/0xe20 [ 565.867773][ T74] addrconf_dad_begin+0x310/0x670 [ 565.867773][ T74] addrconf_dad_work+0x10b/0xab0 [ 565.867773][ T74] process_one_work+0x84d/0x18a0 [ 565.867773][ T74] worker_thread+0x587/0xd30 [ 565.867773][ T74] kthread+0x28a/0x350 [ 565.867773][ T74] ret_from_fork+0x31/0x70 [ 565.867773][ T74] ret_from_fork_asm+0x1a/0x30 [ 565.867773][ T74] [ 565.870915][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 565.870915][ T74] netdev_get_by_index+0x5e/0x80 [ 565.870915][ T74] fib6_nh_init+0x3d8/0x1580 [ 565.870915][ T74] ip6_route_info_create+0xf18/0x17d0 [ 565.870915][ T74] ip6_route_add+0x1c/0x140 [ 565.870915][ T74] addrconf_prefix_route+0x2a6/0x430 [ 565.870915][ T74] inet6_addr_add+0x4f8/0xa40 [ 565.870915][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 565.870915][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 565.870915][ T74] netlink_rcv_skb+0x130/0x360 [ 565.870915][ T74] netlink_unicast+0x449/0x710 [ 565.870915][ T74] netlink_sendmsg+0x723/0xbe0 [ 565.870915][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 565.870915][ T74] ___sys_sendmsg+0xee/0x170 [ 565.870915][ T74] __sys_sendmsg+0xcd/0x170 [ 565.870915][ T74] do_syscall_64+0xc6/0x1e0 [ 565.870915][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 565.870915][ T74] [ 565.874236][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 565.874236][ T74] netdev_get_by_index+0x5e/0x80 [ 565.874236][ T74] fib6_nh_init+0x3d8/0x1580 [ 565.874236][ T74] ip6_route_info_create+0xf18/0x17d0 [ 565.874236][ T74] addrconf_f6i_alloc+0x315/0x560 [ 565.874236][ T74] ipv6_add_addr+0x411/0x2000 [ 565.874236][ T74] inet6_addr_add+0x30e/0xa40 [ 565.874236][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 565.874236][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 565.874236][ T74] netlink_rcv_skb+0x130/0x360 [ 565.874236][ T74] netlink_unicast+0x449/0x710 [ 565.874236][ T74] netlink_sendmsg+0x723/0xbe0 [ 565.874236][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 565.874236][ T74] ___sys_sendmsg+0xee/0x170 [ 565.874236][ T74] __sys_sendmsg+0xcd/0x170 [ 565.874236][ T74] do_syscall_64+0xc6/0x1e0 [ 565.874236][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 565.874236][ T74] [ 565.877504][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 565.877504][ T74] netdev_get_by_index+0x5e/0x80 [ 565.877504][ T74] fib6_nh_init+0x3d8/0x1580 [ 565.877504][ T74] ip6_route_info_create+0xf18/0x17d0 [ 565.877504][ T74] ip6_route_add+0x1c/0x140 [ 565.877504][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 565.877504][ T74] addrconf_add_dev+0xe2/0x170 [ 565.877504][ T74] inet6_addr_add+0x12f/0xa40 [ 565.877504][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 565.877504][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 565.877504][ T74] netlink_rcv_skb+0x130/0x360 [ 565.877504][ T74] netlink_unicast+0x449/0x710 [ 565.877504][ T74] netlink_sendmsg+0x723/0xbe0 [ 565.877504][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 565.877504][ T74] ___sys_sendmsg+0xee/0x170 [ 565.877504][ T74] __sys_sendmsg+0xcd/0x170 [ 565.877504][ T74] do_syscall_64+0xc6/0x1e0 [ 565.877504][ T74] [ 565.880657][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 565.880657][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 565.880657][ T74] ipv6_find_idev+0x102/0x170 [ 565.880657][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 565.880657][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 565.880657][ T74] netlink_rcv_skb+0x130/0x360 [ 565.880657][ T74] netlink_unicast+0x449/0x710 [ 565.880657][ T74] netlink_sendmsg+0x723/0xbe0 [ 565.880657][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 565.880657][ T74] ___sys_sendmsg+0xee/0x170 [ 565.880657][ T74] __sys_sendmsg+0xcd/0x170 [ 565.880657][ T74] do_syscall_64+0xc6/0x1e0 [ 565.880657][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 565.880657][ T74] [ 565.883139][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 565.883139][ T74] neigh_parms_alloc+0x1e5/0x510 [ 565.883139][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 565.883139][ T74] ipv6_find_idev+0x102/0x170 [ 565.883139][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 565.883139][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 565.883139][ T74] netlink_rcv_skb+0x130/0x360 [ 565.883139][ T74] netlink_unicast+0x449/0x710 [ 565.883139][ T74] netlink_sendmsg+0x723/0xbe0 [ 565.883139][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 565.883139][ T74] ___sys_sendmsg+0xee/0x170 [ 565.883139][ T74] __sys_sendmsg+0xcd/0x170 [ 565.883139][ T74] do_syscall_64+0xc6/0x1e0 [ 565.883139][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 565.883139][ T74] [ 565.886260][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 565.886666][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 565.886666][ T74] netdev_get_by_index+0x5e/0x80 [ 565.886666][ T74] fib6_nh_init+0x3d8/0x1580 [ 565.886666][ T74] ip6_route_info_create+0xf18/0x17d0 [ 565.886666][ T74] ip6_route_add+0x1c/0x140 [ 565.886666][ T74] addrconf_prefix_route+0x2a6/0x430 [ 565.886666][ T74] inet6_addr_add+0x4f8/0xa40 [ 565.886666][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 565.886666][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 565.886666][ T74] netlink_rcv_skb+0x130/0x360 [ 565.886666][ T74] netlink_unicast+0x449/0x710 [ 565.886666][ T74] netlink_sendmsg+0x723/0xbe0 [ 565.886666][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 565.886666][ T74] ___sys_sendmsg+0xee/0x170 [ 565.886666][ T74] __sys_sendmsg+0xcd/0x170 [ 565.886666][ T74] do_syscall_64+0xc6/0x1e0 [ 565.886666][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 565.886666][ T74] [ 565.890175][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 565.890175][ T74] netdev_get_by_index+0x5e/0x80 [ 565.890175][ T74] fib6_nh_init+0x3d8/0x1580 [ 565.890175][ T74] ip6_route_info_create+0xf18/0x17d0 [ 565.890175][ T74] addrconf_f6i_alloc+0x315/0x560 [ 565.890175][ T74] ipv6_add_addr+0x411/0x2000 [ 565.890175][ T74] inet6_addr_add+0x30e/0xa40 [ 565.890175][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 565.890175][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 565.890175][ T74] netlink_rcv_skb+0x130/0x360 [ 565.890175][ T74] netlink_unicast+0x449/0x710 [ 565.890175][ T74] netlink_sendmsg+0x723/0xbe0 [ 565.890175][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 565.890175][ T74] ___sys_sendmsg+0xee/0x170 [ 565.890175][ T74] __sys_sendmsg+0xcd/0x170 [ 565.890175][ T74] do_syscall_64+0xc6/0x1e0 [ 565.890175][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 565.890175][ T74] [ 565.893905][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 565.893905][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 565.893905][ T74] ipv6_find_idev+0x102/0x170 [ 565.893905][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 565.893905][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 565.893905][ T74] netlink_rcv_skb+0x130/0x360 [ 565.893905][ T74] netlink_unicast+0x449/0x710 [ 565.893905][ T74] netlink_sendmsg+0x723/0xbe0 [ 565.893905][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 565.893905][ T74] ___sys_sendmsg+0xee/0x170 [ 565.893905][ T74] __sys_sendmsg+0xcd/0x170 [ 565.893905][ T74] do_syscall_64+0xc6/0x1e0 [ 565.893905][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 565.893905][ T74] [ 565.896691][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 565.896691][ T74] neigh_parms_alloc+0x1e5/0x510 [ 565.896691][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 565.896691][ T74] ipv6_find_idev+0x102/0x170 [ 565.896691][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 565.896691][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 565.896691][ T74] netlink_rcv_skb+0x130/0x360 [ 565.896691][ T74] netlink_unicast+0x449/0x710 [ 565.896691][ T74] netlink_sendmsg+0x723/0xbe0 [ 565.896691][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 565.896691][ T74] ___sys_sendmsg+0xee/0x170 [ 565.896691][ T74] __sys_sendmsg+0xcd/0x170 [ 565.896691][ T74] do_syscall_64+0xc6/0x1e0 [ 565.896691][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 565.896691][ T74] [ 574.459676][ T4009] veth0: renamed from veth1 [ 575.975890][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 575.976269][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 575.976269][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 575.976269][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 575.976269][ T74] fib6_nh_init+0xa22/0x1580 [ 575.976269][ T74] ip6_route_info_create+0xf18/0x17d0 [ 575.976269][ T74] ip6_route_add+0x1c/0x140 [ 575.976269][ T74] inet6_rtm_newroute+0x104/0x110 [ 575.976269][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 575.976269][ T74] netlink_rcv_skb+0x130/0x360 [ 575.976269][ T74] netlink_unicast+0x449/0x710 [ 575.976269][ T74] netlink_sendmsg+0x723/0xbe0 [ 575.976269][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 575.976269][ T74] ___sys_sendmsg+0xee/0x170 [ 575.976269][ T74] __sys_sendmsg+0xcd/0x170 [ 575.976269][ T74] do_syscall_64+0xc6/0x1e0 [ 575.976269][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 575.976269][ T74] [ 575.978546][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 575.978546][ T74] netdev_get_by_index+0x5e/0x80 [ 575.978546][ T74] fib6_nh_init+0x3d8/0x1580 [ 575.978546][ T74] ip6_route_info_create+0xf18/0x17d0 [ 575.978546][ T74] addrconf_f6i_alloc+0x265/0x560 [ 575.978546][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 575.978546][ T74] addrconf_join_anycast+0x1c0/0x220 [ 575.978546][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 575.978546][ T74] addrconf_dad_completed+0x12b/0xe20 [ 575.978546][ T74] addrconf_dad_begin+0x310/0x670 [ 575.978546][ T74] addrconf_dad_work+0x10b/0xab0 [ 575.978546][ T74] process_one_work+0x84d/0x18a0 [ 575.978546][ T74] worker_thread+0x587/0xd30 [ 575.978546][ T74] kthread+0x28a/0x350 [ 575.978546][ T74] ret_from_fork+0x31/0x70 [ 575.978546][ T74] ret_from_fork_asm+0x1a/0x30 [ 575.978546][ T74] [ 575.980832][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 575.980832][ T74] netdev_get_by_index+0x5e/0x80 [ 575.980832][ T74] fib6_nh_init+0x3d8/0x1580 [ 575.980832][ T74] ip6_route_info_create+0xf18/0x17d0 [ 575.980832][ T74] ip6_route_add+0x1c/0x140 [ 575.980832][ T74] addrconf_prefix_route+0x2a6/0x430 [ 575.980832][ T74] inet6_addr_add+0x4f8/0xa40 [ 575.980832][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 575.980832][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 575.980832][ T74] netlink_rcv_skb+0x130/0x360 [ 575.980832][ T74] netlink_unicast+0x449/0x710 [ 575.980832][ T74] netlink_sendmsg+0x723/0xbe0 [ 575.980832][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 575.980832][ T74] ___sys_sendmsg+0xee/0x170 [ 575.980832][ T74] __sys_sendmsg+0xcd/0x170 [ 575.980832][ T74] do_syscall_64+0xc6/0x1e0 [ 575.980832][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 575.980832][ T74] [ 575.983236][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 575.983236][ T74] netdev_get_by_index+0x5e/0x80 [ 575.983236][ T74] fib6_nh_init+0x3d8/0x1580 [ 575.983236][ T74] ip6_route_info_create+0xf18/0x17d0 [ 575.983236][ T74] addrconf_f6i_alloc+0x315/0x560 [ 575.983236][ T74] ipv6_add_addr+0x411/0x2000 [ 575.983236][ T74] inet6_addr_add+0x30e/0xa40 [ 575.983236][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 575.983236][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 575.983236][ T74] netlink_rcv_skb+0x130/0x360 [ 575.983236][ T74] netlink_unicast+0x449/0x710 [ 575.983236][ T74] netlink_sendmsg+0x723/0xbe0 [ 575.983236][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 575.983236][ T74] ___sys_sendmsg+0xee/0x170 [ 575.983236][ T74] __sys_sendmsg+0xcd/0x170 [ 575.983236][ T74] do_syscall_64+0xc6/0x1e0 [ 575.983236][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 575.983236][ T74] [ 575.985633][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 575.985633][ T74] netdev_get_by_index+0x5e/0x80 [ 575.985633][ T74] fib6_nh_init+0x3d8/0x1580 [ 575.985633][ T74] ip6_route_info_create+0xf18/0x17d0 [ 575.985633][ T74] ip6_route_add+0x1c/0x140 [ 575.985633][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 575.985633][ T74] addrconf_add_dev+0xe2/0x170 [ 575.985633][ T74] inet6_addr_add+0x12f/0xa40 [ 575.985633][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 575.985633][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 575.985633][ T74] netlink_rcv_skb+0x130/0x360 [ 575.985633][ T74] netlink_unicast+0x449/0x710 [ 575.985633][ T74] netlink_sendmsg+0x723/0xbe0 [ 575.985633][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 575.985633][ T74] ___sys_sendmsg+0xee/0x170 [ 575.985633][ T74] __sys_sendmsg+0xcd/0x170 [ 575.985633][ T74] do_syscall_64+0xc6/0x1e0 [ 575.985633][ T74] [ 575.988035][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 575.988035][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 575.988035][ T74] ipv6_find_idev+0x102/0x170 [ 575.988035][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 575.988035][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 575.988035][ T74] netlink_rcv_skb+0x130/0x360 [ 575.988035][ T74] netlink_unicast+0x449/0x710 [ 575.988035][ T74] netlink_sendmsg+0x723/0xbe0 [ 575.988035][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 575.988035][ T74] ___sys_sendmsg+0xee/0x170 [ 575.988035][ T74] __sys_sendmsg+0xcd/0x170 [ 575.988035][ T74] do_syscall_64+0xc6/0x1e0 [ 575.988035][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 575.988035][ T74] [ 575.990074][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 575.990074][ T74] neigh_parms_alloc+0x1e5/0x510 [ 575.990074][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 575.990074][ T74] ipv6_find_idev+0x102/0x170 [ 575.990074][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 575.990074][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 575.990074][ T74] netlink_rcv_skb+0x130/0x360 [ 575.990074][ T74] netlink_unicast+0x449/0x710 [ 575.990074][ T74] netlink_sendmsg+0x723/0xbe0 [ 575.990074][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 575.990074][ T74] ___sys_sendmsg+0xee/0x170 [ 575.990074][ T74] __sys_sendmsg+0xcd/0x170 [ 575.990074][ T74] do_syscall_64+0xc6/0x1e0 [ 575.990074][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 575.990074][ T74] [ 575.992551][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 575.992904][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 575.992904][ T74] dst_init+0x84/0x4a0 [ 575.992904][ T74] dst_alloc+0x97/0x150 [ 575.992904][ T74] ip6_dst_alloc+0x23/0x90 [ 575.992904][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 575.992904][ T74] ip6_pol_route+0x56f/0x840 [ 575.992904][ T74] fib6_rule_lookup+0x456/0x630 [ 575.992904][ T74] ip6_route_input+0x59c/0xa50 [ 575.992904][ T74] ipv6_rcv+0x397/0x810 [ 575.992904][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 575.992904][ T74] process_backlog+0x101/0x620 [ 575.992904][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 575.992904][ T74] net_rx_action+0x495/0xbe0 [ 575.992904][ T74] __do_softirq+0x1b5/0x7f6 [ 575.992904][ T74] [ 575.995031][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 575.995031][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 575.995031][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 575.995031][ T74] fib6_nh_init+0xa22/0x1580 [ 575.995031][ T74] ip6_route_info_create+0xf18/0x17d0 [ 575.995031][ T74] ip6_route_add+0x1c/0x140 [ 575.995031][ T74] inet6_rtm_newroute+0x104/0x110 [ 575.995031][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 575.995031][ T74] netlink_rcv_skb+0x130/0x360 [ 575.995031][ T74] netlink_unicast+0x449/0x710 [ 575.995031][ T74] netlink_sendmsg+0x723/0xbe0 [ 575.995031][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 575.995031][ T74] ___sys_sendmsg+0xee/0x170 [ 575.995031][ T74] __sys_sendmsg+0xcd/0x170 [ 575.995031][ T74] do_syscall_64+0xc6/0x1e0 [ 575.995031][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 575.995031][ T74] [ 575.997486][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 575.997486][ T74] netdev_get_by_index+0x5e/0x80 [ 575.997486][ T74] fib6_nh_init+0x3d8/0x1580 [ 575.997486][ T74] ip6_route_info_create+0xf18/0x17d0 [ 575.997486][ T74] addrconf_f6i_alloc+0x265/0x560 [ 575.997486][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 575.997486][ T74] addrconf_join_anycast+0x1c0/0x220 [ 575.997486][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 575.997486][ T74] addrconf_dad_completed+0x12b/0xe20 [ 575.997486][ T74] addrconf_dad_begin+0x310/0x670 [ 575.997486][ T74] addrconf_dad_work+0x10b/0xab0 [ 575.997486][ T74] process_one_work+0x84d/0x18a0 [ 575.997486][ T74] worker_thread+0x587/0xd30 [ 575.997486][ T74] kthread+0x28a/0x350 [ 575.997486][ T74] ret_from_fork+0x31/0x70 [ 575.997486][ T74] ret_from_fork_asm+0x1a/0x30 [ 575.997486][ T74] [ 575.999852][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 575.999852][ T74] netdev_get_by_index+0x5e/0x80 [ 575.999852][ T74] fib6_nh_init+0x3d8/0x1580 [ 575.999852][ T74] ip6_route_info_create+0xf18/0x17d0 [ 575.999852][ T74] ip6_route_add+0x1c/0x140 [ 575.999852][ T74] addrconf_prefix_route+0x2a6/0x430 [ 575.999852][ T74] inet6_addr_add+0x4f8/0xa40 [ 575.999852][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 575.999852][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 575.999852][ T74] netlink_rcv_skb+0x130/0x360 [ 575.999852][ T74] netlink_unicast+0x449/0x710 [ 575.999852][ T74] netlink_sendmsg+0x723/0xbe0 [ 575.999852][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 575.999852][ T74] ___sys_sendmsg+0xee/0x170 [ 575.999852][ T74] __sys_sendmsg+0xcd/0x170 [ 575.999852][ T74] do_syscall_64+0xc6/0x1e0 [ 575.999852][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 575.999852][ T74] [ 576.002616][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 576.002616][ T74] netdev_get_by_index+0x5e/0x80 [ 576.002616][ T74] fib6_nh_init+0x3d8/0x1580 [ 576.002616][ T74] ip6_route_info_create+0xf18/0x17d0 [ 576.002616][ T74] addrconf_f6i_alloc+0x315/0x560 [ 576.002616][ T74] ipv6_add_addr+0x411/0x2000 [ 576.002616][ T74] inet6_addr_add+0x30e/0xa40 [ 576.002616][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 576.002616][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 576.002616][ T74] netlink_rcv_skb+0x130/0x360 [ 576.002616][ T74] netlink_unicast+0x449/0x710 [ 576.002616][ T74] netlink_sendmsg+0x723/0xbe0 [ 576.002616][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 576.002616][ T74] ___sys_sendmsg+0xee/0x170 [ 576.002616][ T74] __sys_sendmsg+0xcd/0x170 [ 576.002616][ T74] do_syscall_64+0xc6/0x1e0 [ 576.002616][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 576.002616][ T74] [ 576.005355][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 576.005355][ T74] netdev_get_by_index+0x5e/0x80 [ 576.005355][ T74] fib6_nh_init+0x3d8/0x1580 [ 576.005355][ T74] ip6_route_info_create+0xf18/0x17d0 [ 576.005355][ T74] ip6_route_add+0x1c/0x140 [ 576.005355][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 576.005355][ T74] addrconf_add_dev+0xe2/0x170 [ 576.005355][ T74] inet6_addr_add+0x12f/0xa40 [ 576.005355][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 576.005355][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 576.005355][ T74] netlink_rcv_skb+0x130/0x360 [ 576.005355][ T74] netlink_unicast+0x449/0x710 [ 576.005355][ T74] netlink_sendmsg+0x723/0xbe0 [ 576.005355][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 576.005355][ T74] ___sys_sendmsg+0xee/0x170 [ 576.005355][ T74] __sys_sendmsg+0xcd/0x170 [ 576.005355][ T74] do_syscall_64+0xc6/0x1e0 [ 576.005355][ T74] [ 576.008166][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 576.008166][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 576.008166][ T74] ipv6_find_idev+0x102/0x170 [ 576.008166][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 576.008166][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 576.008166][ T74] netlink_rcv_skb+0x130/0x360 [ 576.008166][ T74] netlink_unicast+0x449/0x710 [ 576.008166][ T74] netlink_sendmsg+0x723/0xbe0 [ 576.008166][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 576.008166][ T74] ___sys_sendmsg+0xee/0x170 [ 576.008166][ T74] __sys_sendmsg+0xcd/0x170 [ 576.008166][ T74] do_syscall_64+0xc6/0x1e0 [ 576.008166][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 576.008166][ T74] [ 576.010461][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 576.010461][ T74] neigh_parms_alloc+0x1e5/0x510 [ 576.010461][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 576.010461][ T74] ipv6_find_idev+0x102/0x170 [ 576.010461][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 576.010461][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 576.010461][ T74] netlink_rcv_skb+0x130/0x360 [ 576.010461][ T74] netlink_unicast+0x449/0x710 [ 576.010461][ T74] netlink_sendmsg+0x723/0xbe0 [ 576.010461][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 576.010461][ T74] ___sys_sendmsg+0xee/0x170 [ 576.010461][ T74] __sys_sendmsg+0xcd/0x170 [ 576.010461][ T74] do_syscall_64+0xc6/0x1e0 [ 576.010461][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 576.010461][ T74] [ 576.012921][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 576.013299][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 576.013299][ T74] netdev_get_by_index+0x5e/0x80 [ 576.013299][ T74] fib6_nh_init+0x3d8/0x1580 [ 576.013299][ T74] ip6_route_info_create+0xf18/0x17d0 [ 576.013299][ T74] ip6_route_add+0x1c/0x140 [ 576.013299][ T74] addrconf_prefix_route+0x2a6/0x430 [ 576.013299][ T74] inet6_addr_add+0x4f8/0xa40 [ 576.013299][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 576.013299][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 576.013299][ T74] netlink_rcv_skb+0x130/0x360 [ 576.013299][ T74] netlink_unicast+0x449/0x710 [ 576.013299][ T74] netlink_sendmsg+0x723/0xbe0 [ 576.013299][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 576.013299][ T74] ___sys_sendmsg+0xee/0x170 [ 576.013299][ T74] __sys_sendmsg+0xcd/0x170 [ 576.013299][ T74] do_syscall_64+0xc6/0x1e0 [ 576.013299][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 576.013299][ T74] [ 576.016092][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 576.016092][ T74] netdev_get_by_index+0x5e/0x80 [ 576.016092][ T74] fib6_nh_init+0x3d8/0x1580 [ 576.016092][ T74] ip6_route_info_create+0xf18/0x17d0 [ 576.016092][ T74] addrconf_f6i_alloc+0x315/0x560 [ 576.016092][ T74] ipv6_add_addr+0x411/0x2000 [ 576.016092][ T74] inet6_addr_add+0x30e/0xa40 [ 576.016092][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 576.016092][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 576.016092][ T74] netlink_rcv_skb+0x130/0x360 [ 576.016092][ T74] netlink_unicast+0x449/0x710 [ 576.016092][ T74] netlink_sendmsg+0x723/0xbe0 [ 576.016092][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 576.016092][ T74] ___sys_sendmsg+0xee/0x170 [ 576.016092][ T74] __sys_sendmsg+0xcd/0x170 [ 576.016092][ T74] do_syscall_64+0xc6/0x1e0 [ 576.016092][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 576.016092][ T74] [ 576.018769][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 576.018769][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 576.018769][ T74] ipv6_find_idev+0x102/0x170 [ 576.018769][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 576.018769][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 576.018769][ T74] netlink_rcv_skb+0x130/0x360 [ 576.018769][ T74] netlink_unicast+0x449/0x710 [ 576.018769][ T74] netlink_sendmsg+0x723/0xbe0 [ 576.018769][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 576.018769][ T74] ___sys_sendmsg+0xee/0x170 [ 576.018769][ T74] __sys_sendmsg+0xcd/0x170 [ 576.018769][ T74] do_syscall_64+0xc6/0x1e0 [ 576.018769][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 576.018769][ T74] [ 576.020820][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 576.020820][ T74] neigh_parms_alloc+0x1e5/0x510 [ 576.020820][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 576.020820][ T74] ipv6_find_idev+0x102/0x170 [ 576.020820][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 576.020820][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 576.020820][ T74] netlink_rcv_skb+0x130/0x360 [ 576.020820][ T74] netlink_unicast+0x449/0x710 [ 576.020820][ T74] netlink_sendmsg+0x723/0xbe0 [ 576.020820][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 576.020820][ T74] ___sys_sendmsg+0xee/0x170 [ 576.020820][ T74] __sys_sendmsg+0xcd/0x170 [ 576.020820][ T74] do_syscall_64+0xc6/0x1e0 [ 576.020820][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 576.020820][ T74] [ 578.550151][ T4036] br0: port 1(vx0) entered blocking state [ 578.550445][ T4036] br0: port 1(vx0) entered disabled state [ 578.550643][ T4036] vx0: entered allmulticast mode [ 578.552761][ T4036] vx0: entered promiscuous mode [ 578.554704][ T4036] br0: port 1(vx0) entered blocking state [ 578.554905][ T4036] br0: port 1(vx0) entered forwarding state [ 584.126904][ T4066] br0: port 1(vx0) entered blocking state [ 584.127209][ T4066] br0: port 1(vx0) entered disabled state [ 584.127486][ T4066] vx0: entered allmulticast mode [ 584.129518][ T4066] vx0: entered promiscuous mode [ 584.131637][ T4066] br0: port 1(vx0) entered blocking state [ 584.131809][ T4066] br0: port 1(vx0) entered forwarding state [ 586.143869][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 586.144281][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 586.144281][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 586.144281][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 586.144281][ T74] fib6_nh_init+0xa22/0x1580 [ 586.144281][ T74] ip6_route_info_create+0xf18/0x17d0 [ 586.144281][ T74] ip6_route_add+0x1c/0x140 [ 586.144281][ T74] inet6_rtm_newroute+0x104/0x110 [ 586.144281][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 586.144281][ T74] netlink_rcv_skb+0x130/0x360 [ 586.144281][ T74] netlink_unicast+0x449/0x710 [ 586.144281][ T74] netlink_sendmsg+0x723/0xbe0 [ 586.144281][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 586.144281][ T74] ___sys_sendmsg+0xee/0x170 [ 586.144281][ T74] __sys_sendmsg+0xcd/0x170 [ 586.144281][ T74] do_syscall_64+0xc6/0x1e0 [ 586.144281][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 586.144281][ T74] [ 586.146378][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 586.146378][ T74] netdev_get_by_index+0x5e/0x80 [ 586.146378][ T74] fib6_nh_init+0x3d8/0x1580 [ 586.146378][ T74] ip6_route_info_create+0xf18/0x17d0 [ 586.146378][ T74] addrconf_f6i_alloc+0x265/0x560 [ 586.146378][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 586.146378][ T74] addrconf_join_anycast+0x1c0/0x220 [ 586.146378][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 586.146378][ T74] addrconf_dad_completed+0x12b/0xe20 [ 586.146378][ T74] addrconf_dad_begin+0x310/0x670 [ 586.146378][ T74] addrconf_dad_work+0x10b/0xab0 [ 586.146378][ T74] process_one_work+0x84d/0x18a0 [ 586.146378][ T74] worker_thread+0x587/0xd30 [ 586.146378][ T74] kthread+0x28a/0x350 [ 586.146378][ T74] ret_from_fork+0x31/0x70 [ 586.146378][ T74] ret_from_fork_asm+0x1a/0x30 [ 586.146378][ T74] [ 586.148476][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 586.148476][ T74] netdev_get_by_index+0x5e/0x80 [ 586.148476][ T74] fib6_nh_init+0x3d8/0x1580 [ 586.148476][ T74] ip6_route_info_create+0xf18/0x17d0 [ 586.148476][ T74] ip6_route_add+0x1c/0x140 [ 586.148476][ T74] addrconf_prefix_route+0x2a6/0x430 [ 586.148476][ T74] inet6_addr_add+0x4f8/0xa40 [ 586.148476][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 586.148476][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 586.148476][ T74] netlink_rcv_skb+0x130/0x360 [ 586.148476][ T74] netlink_unicast+0x449/0x710 [ 586.148476][ T74] netlink_sendmsg+0x723/0xbe0 [ 586.148476][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 586.148476][ T74] ___sys_sendmsg+0xee/0x170 [ 586.148476][ T74] __sys_sendmsg+0xcd/0x170 [ 586.148476][ T74] do_syscall_64+0xc6/0x1e0 [ 586.148476][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 586.148476][ T74] [ 586.150560][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 586.150560][ T74] netdev_get_by_index+0x5e/0x80 [ 586.150560][ T74] fib6_nh_init+0x3d8/0x1580 [ 586.150560][ T74] ip6_route_info_create+0xf18/0x17d0 [ 586.150560][ T74] addrconf_f6i_alloc+0x315/0x560 [ 586.150560][ T74] ipv6_add_addr+0x411/0x2000 [ 586.150560][ T74] inet6_addr_add+0x30e/0xa40 [ 586.150560][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 586.150560][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 586.150560][ T74] netlink_rcv_skb+0x130/0x360 [ 586.150560][ T74] netlink_unicast+0x449/0x710 [ 586.150560][ T74] netlink_sendmsg+0x723/0xbe0 [ 586.150560][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 586.150560][ T74] ___sys_sendmsg+0xee/0x170 [ 586.150560][ T74] __sys_sendmsg+0xcd/0x170 [ 586.150560][ T74] do_syscall_64+0xc6/0x1e0 [ 586.150560][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 586.150560][ T74] [ 586.152626][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 586.152626][ T74] netdev_get_by_index+0x5e/0x80 [ 586.152626][ T74] fib6_nh_init+0x3d8/0x1580 [ 586.152626][ T74] ip6_route_info_create+0xf18/0x17d0 [ 586.152626][ T74] ip6_route_add+0x1c/0x140 [ 586.152626][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 586.152626][ T74] addrconf_add_dev+0xe2/0x170 [ 586.152626][ T74] inet6_addr_add+0x12f/0xa40 [ 586.152626][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 586.152626][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 586.152626][ T74] netlink_rcv_skb+0x130/0x360 [ 586.152626][ T74] netlink_unicast+0x449/0x710 [ 586.152626][ T74] netlink_sendmsg+0x723/0xbe0 [ 586.152626][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 586.152626][ T74] ___sys_sendmsg+0xee/0x170 [ 586.152626][ T74] __sys_sendmsg+0xcd/0x170 [ 586.152626][ T74] do_syscall_64+0xc6/0x1e0 [ 586.152626][ T74] [ 586.154687][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 586.154687][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 586.154687][ T74] ipv6_find_idev+0x102/0x170 [ 586.154687][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 586.154687][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 586.154687][ T74] netlink_rcv_skb+0x130/0x360 [ 586.154687][ T74] netlink_unicast+0x449/0x710 [ 586.154687][ T74] netlink_sendmsg+0x723/0xbe0 [ 586.154687][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 586.154687][ T74] ___sys_sendmsg+0xee/0x170 [ 586.154687][ T74] __sys_sendmsg+0xcd/0x170 [ 586.154687][ T74] do_syscall_64+0xc6/0x1e0 [ 586.154687][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 586.154687][ T74] [ 586.156372][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 586.156372][ T74] neigh_parms_alloc+0x1e5/0x510 [ 586.156372][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 586.156372][ T74] ipv6_find_idev+0x102/0x170 [ 586.156372][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 586.156372][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 586.156372][ T74] netlink_rcv_skb+0x130/0x360 [ 586.156372][ T74] netlink_unicast+0x449/0x710 [ 586.156372][ T74] netlink_sendmsg+0x723/0xbe0 [ 586.156372][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 586.156372][ T74] ___sys_sendmsg+0xee/0x170 [ 586.156372][ T74] __sys_sendmsg+0xcd/0x170 [ 586.156372][ T74] do_syscall_64+0xc6/0x1e0 [ 586.156372][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 586.156372][ T74] [ 586.158207][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 586.158502][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 586.158502][ T74] dst_init+0x84/0x4a0 [ 586.158502][ T74] dst_alloc+0x97/0x150 [ 586.158502][ T74] ip6_dst_alloc+0x23/0x90 [ 586.158502][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 586.158502][ T74] ip6_pol_route+0x56f/0x840 [ 586.158502][ T74] fib6_rule_lookup+0x456/0x630 [ 586.158502][ T74] ip6_route_input+0x59c/0xa50 [ 586.158502][ T74] ipv6_rcv+0x397/0x810 [ 586.158502][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 586.158502][ T74] process_backlog+0x101/0x620 [ 586.158502][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 586.158502][ T74] net_rx_action+0x495/0xbe0 [ 586.158502][ T74] __do_softirq+0x1b5/0x7f6 [ 586.158502][ T74] [ 586.160228][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 586.160228][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 586.160228][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 586.160228][ T74] fib6_nh_init+0xa22/0x1580 [ 586.160228][ T74] ip6_route_info_create+0xf18/0x17d0 [ 586.160228][ T74] ip6_route_add+0x1c/0x140 [ 586.160228][ T74] inet6_rtm_newroute+0x104/0x110 [ 586.160228][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 586.160228][ T74] netlink_rcv_skb+0x130/0x360 [ 586.160228][ T74] netlink_unicast+0x449/0x710 [ 586.160228][ T74] netlink_sendmsg+0x723/0xbe0 [ 586.160228][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 586.160228][ T74] ___sys_sendmsg+0xee/0x170 [ 586.160228][ T74] __sys_sendmsg+0xcd/0x170 [ 586.160228][ T74] do_syscall_64+0xc6/0x1e0 [ 586.160228][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 586.160228][ T74] [ 586.162239][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 586.162239][ T74] netdev_get_by_index+0x5e/0x80 [ 586.162239][ T74] fib6_nh_init+0x3d8/0x1580 [ 586.162239][ T74] ip6_route_info_create+0xf18/0x17d0 [ 586.162239][ T74] addrconf_f6i_alloc+0x265/0x560 [ 586.162239][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 586.162239][ T74] addrconf_join_anycast+0x1c0/0x220 [ 586.162239][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 586.162239][ T74] addrconf_dad_completed+0x12b/0xe20 [ 586.162239][ T74] addrconf_dad_begin+0x310/0x670 [ 586.162239][ T74] addrconf_dad_work+0x10b/0xab0 [ 586.162239][ T74] process_one_work+0x84d/0x18a0 [ 586.162239][ T74] worker_thread+0x587/0xd30 [ 586.162239][ T74] kthread+0x28a/0x350 [ 586.162239][ T74] ret_from_fork+0x31/0x70 [ 586.162239][ T74] ret_from_fork_asm+0x1a/0x30 [ 586.162239][ T74] [ 586.164296][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 586.164296][ T74] netdev_get_by_index+0x5e/0x80 [ 586.164296][ T74] fib6_nh_init+0x3d8/0x1580 [ 586.164296][ T74] ip6_route_info_create+0xf18/0x17d0 [ 586.164296][ T74] ip6_route_add+0x1c/0x140 [ 586.164296][ T74] addrconf_prefix_route+0x2a6/0x430 [ 586.164296][ T74] inet6_addr_add+0x4f8/0xa40 [ 586.164296][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 586.164296][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 586.164296][ T74] netlink_rcv_skb+0x130/0x360 [ 586.164296][ T74] netlink_unicast+0x449/0x710 [ 586.164296][ T74] netlink_sendmsg+0x723/0xbe0 [ 586.164296][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 586.164296][ T74] ___sys_sendmsg+0xee/0x170 [ 586.164296][ T74] __sys_sendmsg+0xcd/0x170 [ 586.164296][ T74] do_syscall_64+0xc6/0x1e0 [ 586.164296][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 586.164296][ T74] [ 586.166456][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 586.166456][ T74] netdev_get_by_index+0x5e/0x80 [ 586.166456][ T74] fib6_nh_init+0x3d8/0x1580 [ 586.166456][ T74] ip6_route_info_create+0xf18/0x17d0 [ 586.166456][ T74] addrconf_f6i_alloc+0x315/0x560 [ 586.166456][ T74] ipv6_add_addr+0x411/0x2000 [ 586.166456][ T74] inet6_addr_add+0x30e/0xa40 [ 586.166456][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 586.166456][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 586.166456][ T74] netlink_rcv_skb+0x130/0x360 [ 586.166456][ T74] netlink_unicast+0x449/0x710 [ 586.166456][ T74] netlink_sendmsg+0x723/0xbe0 [ 586.166456][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 586.166456][ T74] ___sys_sendmsg+0xee/0x170 [ 586.166456][ T74] __sys_sendmsg+0xcd/0x170 [ 586.166456][ T74] do_syscall_64+0xc6/0x1e0 [ 586.166456][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 586.166456][ T74] [ 586.168624][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 586.168624][ T74] netdev_get_by_index+0x5e/0x80 [ 586.168624][ T74] fib6_nh_init+0x3d8/0x1580 [ 586.168624][ T74] ip6_route_info_create+0xf18/0x17d0 [ 586.168624][ T74] ip6_route_add+0x1c/0x140 [ 586.168624][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 586.168624][ T74] addrconf_add_dev+0xe2/0x170 [ 586.168624][ T74] inet6_addr_add+0x12f/0xa40 [ 586.168624][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 586.168624][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 586.168624][ T74] netlink_rcv_skb+0x130/0x360 [ 586.168624][ T74] netlink_unicast+0x449/0x710 [ 586.168624][ T74] netlink_sendmsg+0x723/0xbe0 [ 586.168624][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 586.168624][ T74] ___sys_sendmsg+0xee/0x170 [ 586.168624][ T74] __sys_sendmsg+0xcd/0x170 [ 586.168624][ T74] do_syscall_64+0xc6/0x1e0 [ 586.168624][ T74] [ 586.170861][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 586.170861][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 586.170861][ T74] ipv6_find_idev+0x102/0x170 [ 586.170861][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 586.170861][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 586.170861][ T74] netlink_rcv_skb+0x130/0x360 [ 586.170861][ T74] netlink_unicast+0x449/0x710 [ 586.170861][ T74] netlink_sendmsg+0x723/0xbe0 [ 586.170861][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 586.170861][ T74] ___sys_sendmsg+0xee/0x170 [ 586.170861][ T74] __sys_sendmsg+0xcd/0x170 [ 586.170861][ T74] do_syscall_64+0xc6/0x1e0 [ 586.170861][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 586.170861][ T74] [ 586.172738][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 586.172738][ T74] neigh_parms_alloc+0x1e5/0x510 [ 586.172738][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 586.172738][ T74] ipv6_find_idev+0x102/0x170 [ 586.172738][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 586.172738][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 586.172738][ T74] netlink_rcv_skb+0x130/0x360 [ 586.172738][ T74] netlink_unicast+0x449/0x710 [ 586.172738][ T74] netlink_sendmsg+0x723/0xbe0 [ 586.172738][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 586.172738][ T74] ___sys_sendmsg+0xee/0x170 [ 586.172738][ T74] __sys_sendmsg+0xcd/0x170 [ 586.172738][ T74] do_syscall_64+0xc6/0x1e0 [ 586.172738][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 586.172738][ T74] [ 586.174736][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 586.175022][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 586.175022][ T74] netdev_get_by_index+0x5e/0x80 [ 586.175022][ T74] fib6_nh_init+0x3d8/0x1580 [ 586.175022][ T74] ip6_route_info_create+0xf18/0x17d0 [ 586.175022][ T74] ip6_route_add+0x1c/0x140 [ 586.175022][ T74] addrconf_prefix_route+0x2a6/0x430 [ 586.175022][ T74] inet6_addr_add+0x4f8/0xa40 [ 586.175022][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 586.175022][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 586.175022][ T74] netlink_rcv_skb+0x130/0x360 [ 586.175022][ T74] netlink_unicast+0x449/0x710 [ 586.175022][ T74] netlink_sendmsg+0x723/0xbe0 [ 586.175022][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 586.175022][ T74] ___sys_sendmsg+0xee/0x170 [ 586.175022][ T74] __sys_sendmsg+0xcd/0x170 [ 586.175022][ T74] do_syscall_64+0xc6/0x1e0 [ 586.175022][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 586.175022][ T74] [ 586.177465][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 586.177465][ T74] netdev_get_by_index+0x5e/0x80 [ 586.177465][ T74] fib6_nh_init+0x3d8/0x1580 [ 586.177465][ T74] ip6_route_info_create+0xf18/0x17d0 [ 586.177465][ T74] addrconf_f6i_alloc+0x315/0x560 [ 586.177465][ T74] ipv6_add_addr+0x411/0x2000 [ 586.177465][ T74] inet6_addr_add+0x30e/0xa40 [ 586.177465][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 586.177465][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 586.177465][ T74] netlink_rcv_skb+0x130/0x360 [ 586.177465][ T74] netlink_unicast+0x449/0x710 [ 586.177465][ T74] netlink_sendmsg+0x723/0xbe0 [ 586.177465][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 586.177465][ T74] ___sys_sendmsg+0xee/0x170 [ 586.177465][ T74] __sys_sendmsg+0xcd/0x170 [ 586.177465][ T74] do_syscall_64+0xc6/0x1e0 [ 586.177465][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 586.177465][ T74] [ 586.179990][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 586.179990][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 586.179990][ T74] ipv6_find_idev+0x102/0x170 [ 586.179990][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 586.179990][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 586.179990][ T74] netlink_rcv_skb+0x130/0x360 [ 586.179990][ T74] netlink_unicast+0x449/0x710 [ 586.179990][ T74] netlink_sendmsg+0x723/0xbe0 [ 586.179990][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 586.179990][ T74] ___sys_sendmsg+0xee/0x170 [ 586.179990][ T74] __sys_sendmsg+0xcd/0x170 [ 586.179990][ T74] do_syscall_64+0xc6/0x1e0 [ 586.179990][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 586.179990][ T74] [ 586.181857][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 586.181857][ T74] neigh_parms_alloc+0x1e5/0x510 [ 586.181857][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 586.181857][ T74] ipv6_find_idev+0x102/0x170 [ 586.181857][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 586.181857][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 586.181857][ T74] netlink_rcv_skb+0x130/0x360 [ 586.181857][ T74] netlink_unicast+0x449/0x710 [ 586.181857][ T74] netlink_sendmsg+0x723/0xbe0 [ 586.181857][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 586.181857][ T74] ___sys_sendmsg+0xee/0x170 [ 586.181857][ T74] __sys_sendmsg+0xcd/0x170 [ 586.181857][ T74] do_syscall_64+0xc6/0x1e0 [ 586.181857][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 586.181857][ T74] [ 588.267925][ T4097] veth0: renamed from veth1 [ 592.262117][ T4124] br0: port 1(vx0) entered blocking state [ 592.262366][ T4124] br0: port 1(vx0) entered disabled state [ 592.262575][ T4124] vx0: entered allmulticast mode [ 592.264327][ T4124] vx0: entered promiscuous mode [ 592.266400][ T4124] br0: port 1(vx0) entered blocking state [ 592.266599][ T4124] br0: port 1(vx0) entered forwarding state [ 596.287865][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 596.288264][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 596.288264][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 596.288264][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 596.288264][ T74] fib6_nh_init+0xa22/0x1580 [ 596.288264][ T74] ip6_route_info_create+0xf18/0x17d0 [ 596.288264][ T74] ip6_route_add+0x1c/0x140 [ 596.288264][ T74] inet6_rtm_newroute+0x104/0x110 [ 596.288264][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 596.288264][ T74] netlink_rcv_skb+0x130/0x360 [ 596.288264][ T74] netlink_unicast+0x449/0x710 [ 596.288264][ T74] netlink_sendmsg+0x723/0xbe0 [ 596.288264][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 596.288264][ T74] ___sys_sendmsg+0xee/0x170 [ 596.288264][ T74] __sys_sendmsg+0xcd/0x170 [ 596.288264][ T74] do_syscall_64+0xc6/0x1e0 [ 596.288264][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 596.288264][ T74] [ 596.290290][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 596.290290][ T74] netdev_get_by_index+0x5e/0x80 [ 596.290290][ T74] fib6_nh_init+0x3d8/0x1580 [ 596.290290][ T74] ip6_route_info_create+0xf18/0x17d0 [ 596.290290][ T74] addrconf_f6i_alloc+0x265/0x560 [ 596.290290][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 596.290290][ T74] addrconf_join_anycast+0x1c0/0x220 [ 596.290290][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 596.290290][ T74] addrconf_dad_completed+0x12b/0xe20 [ 596.290290][ T74] addrconf_dad_begin+0x310/0x670 [ 596.290290][ T74] addrconf_dad_work+0x10b/0xab0 [ 596.290290][ T74] process_one_work+0x84d/0x18a0 [ 596.290290][ T74] worker_thread+0x587/0xd30 [ 596.290290][ T74] kthread+0x28a/0x350 [ 596.290290][ T74] ret_from_fork+0x31/0x70 [ 596.290290][ T74] ret_from_fork_asm+0x1a/0x30 [ 596.290290][ T74] [ 596.292253][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 596.292253][ T74] netdev_get_by_index+0x5e/0x80 [ 596.292253][ T74] fib6_nh_init+0x3d8/0x1580 [ 596.292253][ T74] ip6_route_info_create+0xf18/0x17d0 [ 596.292253][ T74] ip6_route_add+0x1c/0x140 [ 596.292253][ T74] addrconf_prefix_route+0x2a6/0x430 [ 596.292253][ T74] inet6_addr_add+0x4f8/0xa40 [ 596.292253][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 596.292253][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 596.292253][ T74] netlink_rcv_skb+0x130/0x360 [ 596.292253][ T74] netlink_unicast+0x449/0x710 [ 596.292253][ T74] netlink_sendmsg+0x723/0xbe0 [ 596.292253][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 596.292253][ T74] ___sys_sendmsg+0xee/0x170 [ 596.292253][ T74] __sys_sendmsg+0xcd/0x170 [ 596.292253][ T74] do_syscall_64+0xc6/0x1e0 [ 596.292253][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 596.292253][ T74] [ 596.294289][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 596.294289][ T74] netdev_get_by_index+0x5e/0x80 [ 596.294289][ T74] fib6_nh_init+0x3d8/0x1580 [ 596.294289][ T74] ip6_route_info_create+0xf18/0x17d0 [ 596.294289][ T74] addrconf_f6i_alloc+0x315/0x560 [ 596.294289][ T74] ipv6_add_addr+0x411/0x2000 [ 596.294289][ T74] inet6_addr_add+0x30e/0xa40 [ 596.294289][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 596.294289][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 596.294289][ T74] netlink_rcv_skb+0x130/0x360 [ 596.294289][ T74] netlink_unicast+0x449/0x710 [ 596.294289][ T74] netlink_sendmsg+0x723/0xbe0 [ 596.294289][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 596.294289][ T74] ___sys_sendmsg+0xee/0x170 [ 596.294289][ T74] __sys_sendmsg+0xcd/0x170 [ 596.294289][ T74] do_syscall_64+0xc6/0x1e0 [ 596.294289][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 596.294289][ T74] [ 596.296334][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 596.296334][ T74] netdev_get_by_index+0x5e/0x80 [ 596.296334][ T74] fib6_nh_init+0x3d8/0x1580 [ 596.296334][ T74] ip6_route_info_create+0xf18/0x17d0 [ 596.296334][ T74] ip6_route_add+0x1c/0x140 [ 596.296334][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 596.296334][ T74] addrconf_add_dev+0xe2/0x170 [ 596.296334][ T74] inet6_addr_add+0x12f/0xa40 [ 596.296334][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 596.296334][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 596.296334][ T74] netlink_rcv_skb+0x130/0x360 [ 596.296334][ T74] netlink_unicast+0x449/0x710 [ 596.296334][ T74] netlink_sendmsg+0x723/0xbe0 [ 596.296334][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 596.296334][ T74] ___sys_sendmsg+0xee/0x170 [ 596.296334][ T74] __sys_sendmsg+0xcd/0x170 [ 596.296334][ T74] do_syscall_64+0xc6/0x1e0 [ 596.296334][ T74] [ 596.298322][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 596.298322][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 596.298322][ T74] ipv6_find_idev+0x102/0x170 [ 596.298322][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 596.298322][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 596.298322][ T74] netlink_rcv_skb+0x130/0x360 [ 596.298322][ T74] netlink_unicast+0x449/0x710 [ 596.298322][ T74] netlink_sendmsg+0x723/0xbe0 [ 596.298322][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 596.298322][ T74] ___sys_sendmsg+0xee/0x170 [ 596.298322][ T74] __sys_sendmsg+0xcd/0x170 [ 596.298322][ T74] do_syscall_64+0xc6/0x1e0 [ 596.298322][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 596.298322][ T74] [ 596.299876][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 596.299876][ T74] neigh_parms_alloc+0x1e5/0x510 [ 596.299876][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 596.299876][ T74] ipv6_find_idev+0x102/0x170 [ 596.299876][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 596.299876][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 596.299876][ T74] netlink_rcv_skb+0x130/0x360 [ 596.299876][ T74] netlink_unicast+0x449/0x710 [ 596.299876][ T74] netlink_sendmsg+0x723/0xbe0 [ 596.299876][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 596.299876][ T74] ___sys_sendmsg+0xee/0x170 [ 596.299876][ T74] __sys_sendmsg+0xcd/0x170 [ 596.299876][ T74] do_syscall_64+0xc6/0x1e0 [ 596.299876][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 596.299876][ T74] [ 596.301791][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 596.302088][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 596.302088][ T74] dst_init+0x84/0x4a0 [ 596.302088][ T74] dst_alloc+0x97/0x150 [ 596.302088][ T74] ip6_dst_alloc+0x23/0x90 [ 596.302088][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 596.302088][ T74] ip6_pol_route+0x56f/0x840 [ 596.302088][ T74] fib6_rule_lookup+0x456/0x630 [ 596.302088][ T74] ip6_route_input+0x59c/0xa50 [ 596.302088][ T74] ipv6_rcv+0x397/0x810 [ 596.302088][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 596.302088][ T74] process_backlog+0x101/0x620 [ 596.302088][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 596.302088][ T74] net_rx_action+0x495/0xbe0 [ 596.302088][ T74] __do_softirq+0x1b5/0x7f6 [ 596.302088][ T74] [ 596.303880][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 596.303880][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 596.303880][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 596.303880][ T74] fib6_nh_init+0xa22/0x1580 [ 596.303880][ T74] ip6_route_info_create+0xf18/0x17d0 [ 596.303880][ T74] ip6_route_add+0x1c/0x140 [ 596.303880][ T74] inet6_rtm_newroute+0x104/0x110 [ 596.303880][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 596.303880][ T74] netlink_rcv_skb+0x130/0x360 [ 596.303880][ T74] netlink_unicast+0x449/0x710 [ 596.303880][ T74] netlink_sendmsg+0x723/0xbe0 [ 596.303880][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 596.303880][ T74] ___sys_sendmsg+0xee/0x170 [ 596.303880][ T74] __sys_sendmsg+0xcd/0x170 [ 596.303880][ T74] do_syscall_64+0xc6/0x1e0 [ 596.303880][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 596.303880][ T74] [ 596.305784][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 596.305784][ T74] netdev_get_by_index+0x5e/0x80 [ 596.305784][ T74] fib6_nh_init+0x3d8/0x1580 [ 596.305784][ T74] ip6_route_info_create+0xf18/0x17d0 [ 596.305784][ T74] addrconf_f6i_alloc+0x265/0x560 [ 596.305784][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 596.305784][ T74] addrconf_join_anycast+0x1c0/0x220 [ 596.305784][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 596.305784][ T74] addrconf_dad_completed+0x12b/0xe20 [ 596.305784][ T74] addrconf_dad_begin+0x310/0x670 [ 596.305784][ T74] addrconf_dad_work+0x10b/0xab0 [ 596.305784][ T74] process_one_work+0x84d/0x18a0 [ 596.305784][ T74] worker_thread+0x587/0xd30 [ 596.305784][ T74] kthread+0x28a/0x350 [ 596.305784][ T74] ret_from_fork+0x31/0x70 [ 596.305784][ T74] ret_from_fork_asm+0x1a/0x30 [ 596.305784][ T74] [ 596.307728][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 596.307728][ T74] netdev_get_by_index+0x5e/0x80 [ 596.307728][ T74] fib6_nh_init+0x3d8/0x1580 [ 596.307728][ T74] ip6_route_info_create+0xf18/0x17d0 [ 596.307728][ T74] ip6_route_add+0x1c/0x140 [ 596.307728][ T74] addrconf_prefix_route+0x2a6/0x430 [ 596.307728][ T74] inet6_addr_add+0x4f8/0xa40 [ 596.307728][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 596.307728][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 596.307728][ T74] netlink_rcv_skb+0x130/0x360 [ 596.307728][ T74] netlink_unicast+0x449/0x710 [ 596.307728][ T74] netlink_sendmsg+0x723/0xbe0 [ 596.307728][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 596.307728][ T74] ___sys_sendmsg+0xee/0x170 [ 596.307728][ T74] __sys_sendmsg+0xcd/0x170 [ 596.307728][ T74] do_syscall_64+0xc6/0x1e0 [ 596.307728][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 596.307728][ T74] [ 596.309749][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 596.309749][ T74] netdev_get_by_index+0x5e/0x80 [ 596.309749][ T74] fib6_nh_init+0x3d8/0x1580 [ 596.309749][ T74] ip6_route_info_create+0xf18/0x17d0 [ 596.309749][ T74] addrconf_f6i_alloc+0x315/0x560 [ 596.309749][ T74] ipv6_add_addr+0x411/0x2000 [ 596.309749][ T74] inet6_addr_add+0x30e/0xa40 [ 596.309749][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 596.309749][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 596.309749][ T74] netlink_rcv_skb+0x130/0x360 [ 596.309749][ T74] netlink_unicast+0x449/0x710 [ 596.309749][ T74] netlink_sendmsg+0x723/0xbe0 [ 596.309749][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 596.309749][ T74] ___sys_sendmsg+0xee/0x170 [ 596.309749][ T74] __sys_sendmsg+0xcd/0x170 [ 596.309749][ T74] do_syscall_64+0xc6/0x1e0 [ 596.309749][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 596.309749][ T74] [ 596.312018][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 596.312018][ T74] netdev_get_by_index+0x5e/0x80 [ 596.312018][ T74] fib6_nh_init+0x3d8/0x1580 [ 596.312018][ T74] ip6_route_info_create+0xf18/0x17d0 [ 596.312018][ T74] ip6_route_add+0x1c/0x140 [ 596.312018][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 596.312018][ T74] addrconf_add_dev+0xe2/0x170 [ 596.312018][ T74] inet6_addr_add+0x12f/0xa40 [ 596.312018][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 596.312018][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 596.312018][ T74] netlink_rcv_skb+0x130/0x360 [ 596.312018][ T74] netlink_unicast+0x449/0x710 [ 596.312018][ T74] netlink_sendmsg+0x723/0xbe0 [ 596.312018][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 596.312018][ T74] ___sys_sendmsg+0xee/0x170 [ 596.312018][ T74] __sys_sendmsg+0xcd/0x170 [ 596.312018][ T74] do_syscall_64+0xc6/0x1e0 [ 596.312018][ T74] [ 596.314242][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 596.314242][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 596.314242][ T74] ipv6_find_idev+0x102/0x170 [ 596.314242][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 596.314242][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 596.314242][ T74] netlink_rcv_skb+0x130/0x360 [ 596.314242][ T74] netlink_unicast+0x449/0x710 [ 596.314242][ T74] netlink_sendmsg+0x723/0xbe0 [ 596.314242][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 596.314242][ T74] ___sys_sendmsg+0xee/0x170 [ 596.314242][ T74] __sys_sendmsg+0xcd/0x170 [ 596.314242][ T74] do_syscall_64+0xc6/0x1e0 [ 596.314242][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 596.314242][ T74] [ 596.315995][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 596.315995][ T74] neigh_parms_alloc+0x1e5/0x510 [ 596.315995][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 596.315995][ T74] ipv6_find_idev+0x102/0x170 [ 596.315995][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 596.315995][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 596.315995][ T74] netlink_rcv_skb+0x130/0x360 [ 596.315995][ T74] netlink_unicast+0x449/0x710 [ 596.315995][ T74] netlink_sendmsg+0x723/0xbe0 [ 596.315995][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 596.315995][ T74] ___sys_sendmsg+0xee/0x170 [ 596.315995][ T74] __sys_sendmsg+0xcd/0x170 [ 596.315995][ T74] do_syscall_64+0xc6/0x1e0 [ 596.315995][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 596.315995][ T74] [ 596.317930][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 596.318197][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 596.318197][ T74] netdev_get_by_index+0x5e/0x80 [ 596.318197][ T74] fib6_nh_init+0x3d8/0x1580 [ 596.318197][ T74] ip6_route_info_create+0xf18/0x17d0 [ 596.318197][ T74] ip6_route_add+0x1c/0x140 [ 596.318197][ T74] addrconf_prefix_route+0x2a6/0x430 [ 596.318197][ T74] inet6_addr_add+0x4f8/0xa40 [ 596.318197][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 596.318197][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 596.318197][ T74] netlink_rcv_skb+0x130/0x360 [ 596.318197][ T74] netlink_unicast+0x449/0x710 [ 596.318197][ T74] netlink_sendmsg+0x723/0xbe0 [ 596.318197][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 596.318197][ T74] ___sys_sendmsg+0xee/0x170 [ 596.318197][ T74] __sys_sendmsg+0xcd/0x170 [ 596.318197][ T74] do_syscall_64+0xc6/0x1e0 [ 596.318197][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 596.318197][ T74] [ 596.320476][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 596.320476][ T74] netdev_get_by_index+0x5e/0x80 [ 596.320476][ T74] fib6_nh_init+0x3d8/0x1580 [ 596.320476][ T74] ip6_route_info_create+0xf18/0x17d0 [ 596.320476][ T74] addrconf_f6i_alloc+0x315/0x560 [ 596.320476][ T74] ipv6_add_addr+0x411/0x2000 [ 596.320476][ T74] inet6_addr_add+0x30e/0xa40 [ 596.320476][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 596.320476][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 596.320476][ T74] netlink_rcv_skb+0x130/0x360 [ 596.320476][ T74] netlink_unicast+0x449/0x710 [ 596.320476][ T74] netlink_sendmsg+0x723/0xbe0 [ 596.320476][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 596.320476][ T74] ___sys_sendmsg+0xee/0x170 [ 596.320476][ T74] __sys_sendmsg+0xcd/0x170 [ 596.320476][ T74] do_syscall_64+0xc6/0x1e0 [ 596.320476][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 596.320476][ T74] [ 596.322685][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 596.322685][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 596.322685][ T74] ipv6_find_idev+0x102/0x170 [ 596.322685][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 596.322685][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 596.322685][ T74] netlink_rcv_skb+0x130/0x360 [ 596.322685][ T74] netlink_unicast+0x449/0x710 [ 596.322685][ T74] netlink_sendmsg+0x723/0xbe0 [ 596.322685][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 596.322685][ T74] ___sys_sendmsg+0xee/0x170 [ 596.322685][ T74] __sys_sendmsg+0xcd/0x170 [ 596.322685][ T74] do_syscall_64+0xc6/0x1e0 [ 596.322685][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 596.322685][ T74] [ 596.324427][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 596.324427][ T74] neigh_parms_alloc+0x1e5/0x510 [ 596.324427][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 596.324427][ T74] ipv6_find_idev+0x102/0x170 [ 596.324427][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 596.324427][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 596.324427][ T74] netlink_rcv_skb+0x130/0x360 [ 596.324427][ T74] netlink_unicast+0x449/0x710 [ 596.324427][ T74] netlink_sendmsg+0x723/0xbe0 [ 596.324427][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 596.324427][ T74] ___sys_sendmsg+0xee/0x170 [ 596.324427][ T74] __sys_sendmsg+0xcd/0x170 [ 596.324427][ T74] do_syscall_64+0xc6/0x1e0 [ 596.324427][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 596.324427][ T74] [ 597.872786][ T4154] br0: port 1(vx0) entered blocking state [ 597.873041][ T4154] br0: port 1(vx0) entered disabled state [ 597.873249][ T4154] vx0: entered allmulticast mode [ 597.874472][ T4154] vx0: entered promiscuous mode [ 597.881178][ T4154] br0: port 1(vx0) entered blocking state [ 597.881407][ T4154] br0: port 1(vx0) entered forwarding state [ 606.384868][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 606.385184][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 606.385184][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 606.385184][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 606.385184][ T74] fib6_nh_init+0xa22/0x1580 [ 606.385184][ T74] ip6_route_info_create+0xf18/0x17d0 [ 606.385184][ T74] ip6_route_add+0x1c/0x140 [ 606.385184][ T74] inet6_rtm_newroute+0x104/0x110 [ 606.385184][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 606.385184][ T74] netlink_rcv_skb+0x130/0x360 [ 606.385184][ T74] netlink_unicast+0x449/0x710 [ 606.385184][ T74] netlink_sendmsg+0x723/0xbe0 [ 606.385184][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 606.385184][ T74] ___sys_sendmsg+0xee/0x170 [ 606.385184][ T74] __sys_sendmsg+0xcd/0x170 [ 606.385184][ T74] do_syscall_64+0xc6/0x1e0 [ 606.385184][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 606.385184][ T74] [ 606.387190][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 606.387190][ T74] netdev_get_by_index+0x5e/0x80 [ 606.387190][ T74] fib6_nh_init+0x3d8/0x1580 [ 606.387190][ T74] ip6_route_info_create+0xf18/0x17d0 [ 606.387190][ T74] addrconf_f6i_alloc+0x265/0x560 [ 606.387190][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 606.387190][ T74] addrconf_join_anycast+0x1c0/0x220 [ 606.387190][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 606.387190][ T74] addrconf_dad_completed+0x12b/0xe20 [ 606.387190][ T74] addrconf_dad_begin+0x310/0x670 [ 606.387190][ T74] addrconf_dad_work+0x10b/0xab0 [ 606.387190][ T74] process_one_work+0x84d/0x18a0 [ 606.387190][ T74] worker_thread+0x587/0xd30 [ 606.387190][ T74] kthread+0x28a/0x350 [ 606.387190][ T74] ret_from_fork+0x31/0x70 [ 606.387190][ T74] ret_from_fork_asm+0x1a/0x30 [ 606.387190][ T74] [ 606.389143][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 606.389143][ T74] netdev_get_by_index+0x5e/0x80 [ 606.389143][ T74] fib6_nh_init+0x3d8/0x1580 [ 606.389143][ T74] ip6_route_info_create+0xf18/0x17d0 [ 606.389143][ T74] ip6_route_add+0x1c/0x140 [ 606.389143][ T74] addrconf_prefix_route+0x2a6/0x430 [ 606.389143][ T74] inet6_addr_add+0x4f8/0xa40 [ 606.389143][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 606.389143][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 606.389143][ T74] netlink_rcv_skb+0x130/0x360 [ 606.389143][ T74] netlink_unicast+0x449/0x710 [ 606.389143][ T74] netlink_sendmsg+0x723/0xbe0 [ 606.389143][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 606.389143][ T74] ___sys_sendmsg+0xee/0x170 [ 606.389143][ T74] __sys_sendmsg+0xcd/0x170 [ 606.389143][ T74] do_syscall_64+0xc6/0x1e0 [ 606.389143][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 606.389143][ T74] [ 606.391190][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 606.391190][ T74] netdev_get_by_index+0x5e/0x80 [ 606.391190][ T74] fib6_nh_init+0x3d8/0x1580 [ 606.391190][ T74] ip6_route_info_create+0xf18/0x17d0 [ 606.391190][ T74] addrconf_f6i_alloc+0x315/0x560 [ 606.391190][ T74] ipv6_add_addr+0x411/0x2000 [ 606.391190][ T74] inet6_addr_add+0x30e/0xa40 [ 606.391190][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 606.391190][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 606.391190][ T74] netlink_rcv_skb+0x130/0x360 [ 606.391190][ T74] netlink_unicast+0x449/0x710 [ 606.391190][ T74] netlink_sendmsg+0x723/0xbe0 [ 606.391190][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 606.391190][ T74] ___sys_sendmsg+0xee/0x170 [ 606.391190][ T74] __sys_sendmsg+0xcd/0x170 [ 606.391190][ T74] do_syscall_64+0xc6/0x1e0 [ 606.391190][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 606.391190][ T74] [ 606.393237][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 606.393237][ T74] netdev_get_by_index+0x5e/0x80 [ 606.393237][ T74] fib6_nh_init+0x3d8/0x1580 [ 606.393237][ T74] ip6_route_info_create+0xf18/0x17d0 [ 606.393237][ T74] ip6_route_add+0x1c/0x140 [ 606.393237][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 606.393237][ T74] addrconf_add_dev+0xe2/0x170 [ 606.393237][ T74] inet6_addr_add+0x12f/0xa40 [ 606.393237][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 606.393237][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 606.393237][ T74] netlink_rcv_skb+0x130/0x360 [ 606.393237][ T74] netlink_unicast+0x449/0x710 [ 606.393237][ T74] netlink_sendmsg+0x723/0xbe0 [ 606.393237][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 606.393237][ T74] ___sys_sendmsg+0xee/0x170 [ 606.393237][ T74] __sys_sendmsg+0xcd/0x170 [ 606.393237][ T74] do_syscall_64+0xc6/0x1e0 [ 606.393237][ T74] [ 606.395242][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 606.395242][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 606.395242][ T74] ipv6_find_idev+0x102/0x170 [ 606.395242][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 606.395242][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 606.395242][ T74] netlink_rcv_skb+0x130/0x360 [ 606.395242][ T74] netlink_unicast+0x449/0x710 [ 606.395242][ T74] netlink_sendmsg+0x723/0xbe0 [ 606.395242][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 606.395242][ T74] ___sys_sendmsg+0xee/0x170 [ 606.395242][ T74] __sys_sendmsg+0xcd/0x170 [ 606.395242][ T74] do_syscall_64+0xc6/0x1e0 [ 606.395242][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 606.395242][ T74] [ 606.396846][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 606.396846][ T74] neigh_parms_alloc+0x1e5/0x510 [ 606.396846][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 606.396846][ T74] ipv6_find_idev+0x102/0x170 [ 606.396846][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 606.396846][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 606.396846][ T74] netlink_rcv_skb+0x130/0x360 [ 606.396846][ T74] netlink_unicast+0x449/0x710 [ 606.396846][ T74] netlink_sendmsg+0x723/0xbe0 [ 606.396846][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 606.396846][ T74] ___sys_sendmsg+0xee/0x170 [ 606.396846][ T74] __sys_sendmsg+0xcd/0x170 [ 606.396846][ T74] do_syscall_64+0xc6/0x1e0 [ 606.396846][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 606.396846][ T74] [ 606.398605][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 606.398895][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 606.398895][ T74] dst_init+0x84/0x4a0 [ 606.398895][ T74] dst_alloc+0x97/0x150 [ 606.398895][ T74] ip6_dst_alloc+0x23/0x90 [ 606.398895][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 606.398895][ T74] ip6_pol_route+0x56f/0x840 [ 606.398895][ T74] fib6_rule_lookup+0x456/0x630 [ 606.398895][ T74] ip6_route_input+0x59c/0xa50 [ 606.398895][ T74] ipv6_rcv+0x397/0x810 [ 606.398895][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 606.398895][ T74] process_backlog+0x101/0x620 [ 606.398895][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 606.398895][ T74] net_rx_action+0x495/0xbe0 [ 606.398895][ T74] __do_softirq+0x1b5/0x7f6 [ 606.398895][ T74] [ 606.400573][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 606.400573][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 606.400573][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 606.400573][ T74] fib6_nh_init+0xa22/0x1580 [ 606.400573][ T74] ip6_route_info_create+0xf18/0x17d0 [ 606.400573][ T74] ip6_route_add+0x1c/0x140 [ 606.400573][ T74] inet6_rtm_newroute+0x104/0x110 [ 606.400573][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 606.400573][ T74] netlink_rcv_skb+0x130/0x360 [ 606.400573][ T74] netlink_unicast+0x449/0x710 [ 606.400573][ T74] netlink_sendmsg+0x723/0xbe0 [ 606.400573][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 606.400573][ T74] ___sys_sendmsg+0xee/0x170 [ 606.400573][ T74] __sys_sendmsg+0xcd/0x170 [ 606.400573][ T74] do_syscall_64+0xc6/0x1e0 [ 606.400573][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 606.400573][ T74] [ 606.402655][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 606.402655][ T74] netdev_get_by_index+0x5e/0x80 [ 606.402655][ T74] fib6_nh_init+0x3d8/0x1580 [ 606.402655][ T74] ip6_route_info_create+0xf18/0x17d0 [ 606.402655][ T74] addrconf_f6i_alloc+0x265/0x560 [ 606.402655][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 606.402655][ T74] addrconf_join_anycast+0x1c0/0x220 [ 606.402655][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 606.402655][ T74] addrconf_dad_completed+0x12b/0xe20 [ 606.402655][ T74] addrconf_dad_begin+0x310/0x670 [ 606.402655][ T74] addrconf_dad_work+0x10b/0xab0 [ 606.402655][ T74] process_one_work+0x84d/0x18a0 [ 606.402655][ T74] worker_thread+0x587/0xd30 [ 606.402655][ T74] kthread+0x28a/0x350 [ 606.402655][ T74] ret_from_fork+0x31/0x70 [ 606.402655][ T74] ret_from_fork_asm+0x1a/0x30 [ 606.402655][ T74] [ 606.405020][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 606.405020][ T74] netdev_get_by_index+0x5e/0x80 [ 606.405020][ T74] fib6_nh_init+0x3d8/0x1580 [ 606.405020][ T74] ip6_route_info_create+0xf18/0x17d0 [ 606.405020][ T74] ip6_route_add+0x1c/0x140 [ 606.405020][ T74] addrconf_prefix_route+0x2a6/0x430 [ 606.405020][ T74] inet6_addr_add+0x4f8/0xa40 [ 606.405020][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 606.405020][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 606.405020][ T74] netlink_rcv_skb+0x130/0x360 [ 606.405020][ T74] netlink_unicast+0x449/0x710 [ 606.405020][ T74] netlink_sendmsg+0x723/0xbe0 [ 606.405020][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 606.405020][ T74] ___sys_sendmsg+0xee/0x170 [ 606.405020][ T74] __sys_sendmsg+0xcd/0x170 [ 606.405020][ T74] do_syscall_64+0xc6/0x1e0 [ 606.405020][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 606.405020][ T74] [ 606.407381][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 606.407381][ T74] netdev_get_by_index+0x5e/0x80 [ 606.407381][ T74] fib6_nh_init+0x3d8/0x1580 [ 606.407381][ T74] ip6_route_info_create+0xf18/0x17d0 [ 606.407381][ T74] addrconf_f6i_alloc+0x315/0x560 [ 606.407381][ T74] ipv6_add_addr+0x411/0x2000 [ 606.407381][ T74] inet6_addr_add+0x30e/0xa40 [ 606.407381][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 606.407381][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 606.407381][ T74] netlink_rcv_skb+0x130/0x360 [ 606.407381][ T74] netlink_unicast+0x449/0x710 [ 606.407381][ T74] netlink_sendmsg+0x723/0xbe0 [ 606.407381][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 606.407381][ T74] ___sys_sendmsg+0xee/0x170 [ 606.407381][ T74] __sys_sendmsg+0xcd/0x170 [ 606.407381][ T74] do_syscall_64+0xc6/0x1e0 [ 606.407381][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 606.407381][ T74] [ 606.409603][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 606.409603][ T74] netdev_get_by_index+0x5e/0x80 [ 606.409603][ T74] fib6_nh_init+0x3d8/0x1580 [ 606.409603][ T74] ip6_route_info_create+0xf18/0x17d0 [ 606.409603][ T74] ip6_route_add+0x1c/0x140 [ 606.409603][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 606.409603][ T74] addrconf_add_dev+0xe2/0x170 [ 606.409603][ T74] inet6_addr_add+0x12f/0xa40 [ 606.409603][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 606.409603][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 606.409603][ T74] netlink_rcv_skb+0x130/0x360 [ 606.409603][ T74] netlink_unicast+0x449/0x710 [ 606.409603][ T74] netlink_sendmsg+0x723/0xbe0 [ 606.409603][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 606.409603][ T74] ___sys_sendmsg+0xee/0x170 [ 606.409603][ T74] __sys_sendmsg+0xcd/0x170 [ 606.409603][ T74] do_syscall_64+0xc6/0x1e0 [ 606.409603][ T74] [ 606.411801][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 606.411801][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 606.411801][ T74] ipv6_find_idev+0x102/0x170 [ 606.411801][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 606.411801][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 606.411801][ T74] netlink_rcv_skb+0x130/0x360 [ 606.411801][ T74] netlink_unicast+0x449/0x710 [ 606.411801][ T74] netlink_sendmsg+0x723/0xbe0 [ 606.411801][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 606.411801][ T74] ___sys_sendmsg+0xee/0x170 [ 606.411801][ T74] __sys_sendmsg+0xcd/0x170 [ 606.411801][ T74] do_syscall_64+0xc6/0x1e0 [ 606.411801][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 606.411801][ T74] [ 606.413619][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 606.413619][ T74] neigh_parms_alloc+0x1e5/0x510 [ 606.413619][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 606.413619][ T74] ipv6_find_idev+0x102/0x170 [ 606.413619][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 606.413619][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 606.413619][ T74] netlink_rcv_skb+0x130/0x360 [ 606.413619][ T74] netlink_unicast+0x449/0x710 [ 606.413619][ T74] netlink_sendmsg+0x723/0xbe0 [ 606.413619][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 606.413619][ T74] ___sys_sendmsg+0xee/0x170 [ 606.413619][ T74] __sys_sendmsg+0xcd/0x170 [ 606.413619][ T74] do_syscall_64+0xc6/0x1e0 [ 606.413619][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 606.413619][ T74] [ 606.415591][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 606.415838][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 606.415838][ T74] netdev_get_by_index+0x5e/0x80 [ 606.415838][ T74] fib6_nh_init+0x3d8/0x1580 [ 606.415838][ T74] ip6_route_info_create+0xf18/0x17d0 [ 606.415838][ T74] ip6_route_add+0x1c/0x140 [ 606.415838][ T74] addrconf_prefix_route+0x2a6/0x430 [ 606.415838][ T74] inet6_addr_add+0x4f8/0xa40 [ 606.415838][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 606.415838][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 606.415838][ T74] netlink_rcv_skb+0x130/0x360 [ 606.415838][ T74] netlink_unicast+0x449/0x710 [ 606.415838][ T74] netlink_sendmsg+0x723/0xbe0 [ 606.415838][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 606.415838][ T74] ___sys_sendmsg+0xee/0x170 [ 606.415838][ T74] __sys_sendmsg+0xcd/0x170 [ 606.415838][ T74] do_syscall_64+0xc6/0x1e0 [ 606.415838][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 606.415838][ T74] [ 606.418087][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 606.418087][ T74] netdev_get_by_index+0x5e/0x80 [ 606.418087][ T74] fib6_nh_init+0x3d8/0x1580 [ 606.418087][ T74] ip6_route_info_create+0xf18/0x17d0 [ 606.418087][ T74] addrconf_f6i_alloc+0x315/0x560 [ 606.418087][ T74] ipv6_add_addr+0x411/0x2000 [ 606.418087][ T74] inet6_addr_add+0x30e/0xa40 [ 606.418087][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 606.418087][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 606.418087][ T74] netlink_rcv_skb+0x130/0x360 [ 606.418087][ T74] netlink_unicast+0x449/0x710 [ 606.418087][ T74] netlink_sendmsg+0x723/0xbe0 [ 606.418087][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 606.418087][ T74] ___sys_sendmsg+0xee/0x170 [ 606.418087][ T74] __sys_sendmsg+0xcd/0x170 [ 606.418087][ T74] do_syscall_64+0xc6/0x1e0 [ 606.418087][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 606.418087][ T74] [ 606.420321][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 606.420321][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 606.420321][ T74] ipv6_find_idev+0x102/0x170 [ 606.420321][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 606.420321][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 606.420321][ T74] netlink_rcv_skb+0x130/0x360 [ 606.420321][ T74] netlink_unicast+0x449/0x710 [ 606.420321][ T74] netlink_sendmsg+0x723/0xbe0 [ 606.420321][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 606.420321][ T74] ___sys_sendmsg+0xee/0x170 [ 606.420321][ T74] __sys_sendmsg+0xcd/0x170 [ 606.420321][ T74] do_syscall_64+0xc6/0x1e0 [ 606.420321][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 606.420321][ T74] [ 606.422083][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 606.422083][ T74] neigh_parms_alloc+0x1e5/0x510 [ 606.422083][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 606.422083][ T74] ipv6_find_idev+0x102/0x170 [ 606.422083][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 606.422083][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 606.422083][ T74] netlink_rcv_skb+0x130/0x360 [ 606.422083][ T74] netlink_unicast+0x449/0x710 [ 606.422083][ T74] netlink_sendmsg+0x723/0xbe0 [ 606.422083][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 606.422083][ T74] ___sys_sendmsg+0xee/0x170 [ 606.422083][ T74] __sys_sendmsg+0xcd/0x170 [ 606.422083][ T74] do_syscall_64+0xc6/0x1e0 [ 606.422083][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 606.422083][ T74] [ 612.218963][ T4213] veth0: renamed from veth1 [ 616.599902][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 616.600226][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 616.600226][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 616.600226][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 616.600226][ T74] fib6_nh_init+0xa22/0x1580 [ 616.600226][ T74] ip6_route_info_create+0xf18/0x17d0 [ 616.600226][ T74] ip6_route_add+0x1c/0x140 [ 616.600226][ T74] inet6_rtm_newroute+0x104/0x110 [ 616.600226][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 616.600226][ T74] netlink_rcv_skb+0x130/0x360 [ 616.600226][ T74] netlink_unicast+0x449/0x710 [ 616.600226][ T74] netlink_sendmsg+0x723/0xbe0 [ 616.600226][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 616.600226][ T74] ___sys_sendmsg+0xee/0x170 [ 616.600226][ T74] __sys_sendmsg+0xcd/0x170 [ 616.600226][ T74] do_syscall_64+0xc6/0x1e0 [ 616.600226][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 616.600226][ T74] [ 616.602327][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 616.602327][ T74] netdev_get_by_index+0x5e/0x80 [ 616.602327][ T74] fib6_nh_init+0x3d8/0x1580 [ 616.602327][ T74] ip6_route_info_create+0xf18/0x17d0 [ 616.602327][ T74] addrconf_f6i_alloc+0x265/0x560 [ 616.602327][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 616.602327][ T74] addrconf_join_anycast+0x1c0/0x220 [ 616.602327][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 616.602327][ T74] addrconf_dad_completed+0x12b/0xe20 [ 616.602327][ T74] addrconf_dad_begin+0x310/0x670 [ 616.602327][ T74] addrconf_dad_work+0x10b/0xab0 [ 616.602327][ T74] process_one_work+0x84d/0x18a0 [ 616.602327][ T74] worker_thread+0x587/0xd30 [ 616.602327][ T74] kthread+0x28a/0x350 [ 616.602327][ T74] ret_from_fork+0x31/0x70 [ 616.602327][ T74] ret_from_fork_asm+0x1a/0x30 [ 616.602327][ T74] [ 616.604385][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 616.604385][ T74] netdev_get_by_index+0x5e/0x80 [ 616.604385][ T74] fib6_nh_init+0x3d8/0x1580 [ 616.604385][ T74] ip6_route_info_create+0xf18/0x17d0 [ 616.604385][ T74] ip6_route_add+0x1c/0x140 [ 616.604385][ T74] addrconf_prefix_route+0x2a6/0x430 [ 616.604385][ T74] inet6_addr_add+0x4f8/0xa40 [ 616.604385][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 616.604385][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 616.604385][ T74] netlink_rcv_skb+0x130/0x360 [ 616.604385][ T74] netlink_unicast+0x449/0x710 [ 616.604385][ T74] netlink_sendmsg+0x723/0xbe0 [ 616.604385][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 616.604385][ T74] ___sys_sendmsg+0xee/0x170 [ 616.604385][ T74] __sys_sendmsg+0xcd/0x170 [ 616.604385][ T74] do_syscall_64+0xc6/0x1e0 [ 616.604385][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 616.604385][ T74] [ 616.606649][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 616.606649][ T74] netdev_get_by_index+0x5e/0x80 [ 616.606649][ T74] fib6_nh_init+0x3d8/0x1580 [ 616.606649][ T74] ip6_route_info_create+0xf18/0x17d0 [ 616.606649][ T74] addrconf_f6i_alloc+0x315/0x560 [ 616.606649][ T74] ipv6_add_addr+0x411/0x2000 [ 616.606649][ T74] inet6_addr_add+0x30e/0xa40 [ 616.606649][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 616.606649][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 616.606649][ T74] netlink_rcv_skb+0x130/0x360 [ 616.606649][ T74] netlink_unicast+0x449/0x710 [ 616.606649][ T74] netlink_sendmsg+0x723/0xbe0 [ 616.606649][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 616.606649][ T74] ___sys_sendmsg+0xee/0x170 [ 616.606649][ T74] __sys_sendmsg+0xcd/0x170 [ 616.606649][ T74] do_syscall_64+0xc6/0x1e0 [ 616.606649][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 616.606649][ T74] [ 616.608914][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 616.608914][ T74] netdev_get_by_index+0x5e/0x80 [ 616.608914][ T74] fib6_nh_init+0x3d8/0x1580 [ 616.608914][ T74] ip6_route_info_create+0xf18/0x17d0 [ 616.608914][ T74] ip6_route_add+0x1c/0x140 [ 616.608914][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 616.608914][ T74] addrconf_add_dev+0xe2/0x170 [ 616.608914][ T74] inet6_addr_add+0x12f/0xa40 [ 616.608914][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 616.608914][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 616.608914][ T74] netlink_rcv_skb+0x130/0x360 [ 616.608914][ T74] netlink_unicast+0x449/0x710 [ 616.608914][ T74] netlink_sendmsg+0x723/0xbe0 [ 616.608914][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 616.608914][ T74] ___sys_sendmsg+0xee/0x170 [ 616.608914][ T74] __sys_sendmsg+0xcd/0x170 [ 616.608914][ T74] do_syscall_64+0xc6/0x1e0 [ 616.608914][ T74] [ 616.611107][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 616.611107][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 616.611107][ T74] ipv6_find_idev+0x102/0x170 [ 616.611107][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 616.611107][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 616.611107][ T74] netlink_rcv_skb+0x130/0x360 [ 616.611107][ T74] netlink_unicast+0x449/0x710 [ 616.611107][ T74] netlink_sendmsg+0x723/0xbe0 [ 616.611107][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 616.611107][ T74] ___sys_sendmsg+0xee/0x170 [ 616.611107][ T74] __sys_sendmsg+0xcd/0x170 [ 616.611107][ T74] do_syscall_64+0xc6/0x1e0 [ 616.611107][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 616.611107][ T74] [ 616.612837][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 616.612837][ T74] neigh_parms_alloc+0x1e5/0x510 [ 616.612837][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 616.612837][ T74] ipv6_find_idev+0x102/0x170 [ 616.612837][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 616.612837][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 616.612837][ T74] netlink_rcv_skb+0x130/0x360 [ 616.612837][ T74] netlink_unicast+0x449/0x710 [ 616.612837][ T74] netlink_sendmsg+0x723/0xbe0 [ 616.612837][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 616.612837][ T74] ___sys_sendmsg+0xee/0x170 [ 616.612837][ T74] __sys_sendmsg+0xcd/0x170 [ 616.612837][ T74] do_syscall_64+0xc6/0x1e0 [ 616.612837][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 616.612837][ T74] [ 616.614771][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 616.615119][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 616.615119][ T74] dst_init+0x84/0x4a0 [ 616.615119][ T74] dst_alloc+0x97/0x150 [ 616.615119][ T74] ip6_dst_alloc+0x23/0x90 [ 616.615119][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 616.615119][ T74] ip6_pol_route+0x56f/0x840 [ 616.615119][ T74] fib6_rule_lookup+0x456/0x630 [ 616.615119][ T74] ip6_route_input+0x59c/0xa50 [ 616.615119][ T74] ipv6_rcv+0x397/0x810 [ 616.615119][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 616.615119][ T74] process_backlog+0x101/0x620 [ 616.615119][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 616.615119][ T74] net_rx_action+0x495/0xbe0 [ 616.615119][ T74] __do_softirq+0x1b5/0x7f6 [ 616.615119][ T74] [ 616.617074][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 616.617074][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 616.617074][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 616.617074][ T74] fib6_nh_init+0xa22/0x1580 [ 616.617074][ T74] ip6_route_info_create+0xf18/0x17d0 [ 616.617074][ T74] ip6_route_add+0x1c/0x140 [ 616.617074][ T74] inet6_rtm_newroute+0x104/0x110 [ 616.617074][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 616.617074][ T74] netlink_rcv_skb+0x130/0x360 [ 616.617074][ T74] netlink_unicast+0x449/0x710 [ 616.617074][ T74] netlink_sendmsg+0x723/0xbe0 [ 616.617074][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 616.617074][ T74] ___sys_sendmsg+0xee/0x170 [ 616.617074][ T74] __sys_sendmsg+0xcd/0x170 [ 616.617074][ T74] do_syscall_64+0xc6/0x1e0 [ 616.617074][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 616.617074][ T74] [ 616.619197][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 616.619197][ T74] netdev_get_by_index+0x5e/0x80 [ 616.619197][ T74] fib6_nh_init+0x3d8/0x1580 [ 616.619197][ T74] ip6_route_info_create+0xf18/0x17d0 [ 616.619197][ T74] addrconf_f6i_alloc+0x265/0x560 [ 616.619197][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 616.619197][ T74] addrconf_join_anycast+0x1c0/0x220 [ 616.619197][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 616.619197][ T74] addrconf_dad_completed+0x12b/0xe20 [ 616.619197][ T74] addrconf_dad_begin+0x310/0x670 [ 616.619197][ T74] addrconf_dad_work+0x10b/0xab0 [ 616.619197][ T74] process_one_work+0x84d/0x18a0 [ 616.619197][ T74] worker_thread+0x587/0xd30 [ 616.619197][ T74] kthread+0x28a/0x350 [ 616.619197][ T74] ret_from_fork+0x31/0x70 [ 616.619197][ T74] ret_from_fork_asm+0x1a/0x30 [ 616.619197][ T74] [ 616.621187][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 616.621187][ T74] netdev_get_by_index+0x5e/0x80 [ 616.621187][ T74] fib6_nh_init+0x3d8/0x1580 [ 616.621187][ T74] ip6_route_info_create+0xf18/0x17d0 [ 616.621187][ T74] ip6_route_add+0x1c/0x140 [ 616.621187][ T74] addrconf_prefix_route+0x2a6/0x430 [ 616.621187][ T74] inet6_addr_add+0x4f8/0xa40 [ 616.621187][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 616.621187][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 616.621187][ T74] netlink_rcv_skb+0x130/0x360 [ 616.621187][ T74] netlink_unicast+0x449/0x710 [ 616.621187][ T74] netlink_sendmsg+0x723/0xbe0 [ 616.621187][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 616.621187][ T74] ___sys_sendmsg+0xee/0x170 [ 616.621187][ T74] __sys_sendmsg+0xcd/0x170 [ 616.621187][ T74] do_syscall_64+0xc6/0x1e0 [ 616.621187][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 616.621187][ T74] [ 616.623426][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 616.623426][ T74] netdev_get_by_index+0x5e/0x80 [ 616.623426][ T74] fib6_nh_init+0x3d8/0x1580 [ 616.623426][ T74] ip6_route_info_create+0xf18/0x17d0 [ 616.623426][ T74] addrconf_f6i_alloc+0x315/0x560 [ 616.623426][ T74] ipv6_add_addr+0x411/0x2000 [ 616.623426][ T74] inet6_addr_add+0x30e/0xa40 [ 616.623426][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 616.623426][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 616.623426][ T74] netlink_rcv_skb+0x130/0x360 [ 616.623426][ T74] netlink_unicast+0x449/0x710 [ 616.623426][ T74] netlink_sendmsg+0x723/0xbe0 [ 616.623426][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 616.623426][ T74] ___sys_sendmsg+0xee/0x170 [ 616.623426][ T74] __sys_sendmsg+0xcd/0x170 [ 616.623426][ T74] do_syscall_64+0xc6/0x1e0 [ 616.623426][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 616.623426][ T74] [ 616.625779][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 616.625779][ T74] netdev_get_by_index+0x5e/0x80 [ 616.625779][ T74] fib6_nh_init+0x3d8/0x1580 [ 616.625779][ T74] ip6_route_info_create+0xf18/0x17d0 [ 616.625779][ T74] ip6_route_add+0x1c/0x140 [ 616.625779][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 616.625779][ T74] addrconf_add_dev+0xe2/0x170 [ 616.625779][ T74] inet6_addr_add+0x12f/0xa40 [ 616.625779][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 616.625779][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 616.625779][ T74] netlink_rcv_skb+0x130/0x360 [ 616.625779][ T74] netlink_unicast+0x449/0x710 [ 616.625779][ T74] netlink_sendmsg+0x723/0xbe0 [ 616.625779][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 616.625779][ T74] ___sys_sendmsg+0xee/0x170 [ 616.625779][ T74] __sys_sendmsg+0xcd/0x170 [ 616.625779][ T74] do_syscall_64+0xc6/0x1e0 [ 616.625779][ T74] [ 616.628238][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 616.628238][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 616.628238][ T74] ipv6_find_idev+0x102/0x170 [ 616.628238][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 616.628238][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 616.628238][ T74] netlink_rcv_skb+0x130/0x360 [ 616.628238][ T74] netlink_unicast+0x449/0x710 [ 616.628238][ T74] netlink_sendmsg+0x723/0xbe0 [ 616.628238][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 616.628238][ T74] ___sys_sendmsg+0xee/0x170 [ 616.628238][ T74] __sys_sendmsg+0xcd/0x170 [ 616.628238][ T74] do_syscall_64+0xc6/0x1e0 [ 616.628238][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 616.628238][ T74] [ 616.630117][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 616.630117][ T74] neigh_parms_alloc+0x1e5/0x510 [ 616.630117][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 616.630117][ T74] ipv6_find_idev+0x102/0x170 [ 616.630117][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 616.630117][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 616.630117][ T74] netlink_rcv_skb+0x130/0x360 [ 616.630117][ T74] netlink_unicast+0x449/0x710 [ 616.630117][ T74] netlink_sendmsg+0x723/0xbe0 [ 616.630117][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 616.630117][ T74] ___sys_sendmsg+0xee/0x170 [ 616.630117][ T74] __sys_sendmsg+0xcd/0x170 [ 616.630117][ T74] do_syscall_64+0xc6/0x1e0 [ 616.630117][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 616.630117][ T74] [ 616.632097][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 616.632415][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 616.632415][ T74] netdev_get_by_index+0x5e/0x80 [ 616.632415][ T74] fib6_nh_init+0x3d8/0x1580 [ 616.632415][ T74] ip6_route_info_create+0xf18/0x17d0 [ 616.632415][ T74] ip6_route_add+0x1c/0x140 [ 616.632415][ T74] addrconf_prefix_route+0x2a6/0x430 [ 616.632415][ T74] inet6_addr_add+0x4f8/0xa40 [ 616.632415][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 616.632415][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 616.632415][ T74] netlink_rcv_skb+0x130/0x360 [ 616.632415][ T74] netlink_unicast+0x449/0x710 [ 616.632415][ T74] netlink_sendmsg+0x723/0xbe0 [ 616.632415][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 616.632415][ T74] ___sys_sendmsg+0xee/0x170 [ 616.632415][ T74] __sys_sendmsg+0xcd/0x170 [ 616.632415][ T74] do_syscall_64+0xc6/0x1e0 [ 616.632415][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 616.632415][ T74] [ 616.634768][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 616.634768][ T74] netdev_get_by_index+0x5e/0x80 [ 616.634768][ T74] fib6_nh_init+0x3d8/0x1580 [ 616.634768][ T74] ip6_route_info_create+0xf18/0x17d0 [ 616.634768][ T74] addrconf_f6i_alloc+0x315/0x560 [ 616.634768][ T74] ipv6_add_addr+0x411/0x2000 [ 616.634768][ T74] inet6_addr_add+0x30e/0xa40 [ 616.634768][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 616.634768][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 616.634768][ T74] netlink_rcv_skb+0x130/0x360 [ 616.634768][ T74] netlink_unicast+0x449/0x710 [ 616.634768][ T74] netlink_sendmsg+0x723/0xbe0 [ 616.634768][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 616.634768][ T74] ___sys_sendmsg+0xee/0x170 [ 616.634768][ T74] __sys_sendmsg+0xcd/0x170 [ 616.634768][ T74] do_syscall_64+0xc6/0x1e0 [ 616.634768][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 616.634768][ T74] [ 616.637122][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 616.637122][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 616.637122][ T74] ipv6_find_idev+0x102/0x170 [ 616.637122][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 616.637122][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 616.637122][ T74] netlink_rcv_skb+0x130/0x360 [ 616.637122][ T74] netlink_unicast+0x449/0x710 [ 616.637122][ T74] netlink_sendmsg+0x723/0xbe0 [ 616.637122][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 616.637122][ T74] ___sys_sendmsg+0xee/0x170 [ 616.637122][ T74] __sys_sendmsg+0xcd/0x170 [ 616.637122][ T74] do_syscall_64+0xc6/0x1e0 [ 616.637122][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 616.637122][ T74] [ 616.638950][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 616.638950][ T74] neigh_parms_alloc+0x1e5/0x510 [ 616.638950][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 616.638950][ T74] ipv6_find_idev+0x102/0x170 [ 616.638950][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 616.638950][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 616.638950][ T74] netlink_rcv_skb+0x130/0x360 [ 616.638950][ T74] netlink_unicast+0x449/0x710 [ 616.638950][ T74] netlink_sendmsg+0x723/0xbe0 [ 616.638950][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 616.638950][ T74] ___sys_sendmsg+0xee/0x170 [ 616.638950][ T74] __sys_sendmsg+0xcd/0x170 [ 616.638950][ T74] do_syscall_64+0xc6/0x1e0 [ 616.638950][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 616.638950][ T74] [ 616.654438][ T4239] br0: port 1(vx0) entered blocking state [ 616.654656][ T4239] br0: port 1(vx0) entered disabled state [ 616.654861][ T4239] vx0: entered allmulticast mode [ 616.656180][ T4239] vx0: entered promiscuous mode [ 616.658261][ T4239] br0: port 1(vx0) entered blocking state [ 616.658451][ T4239] br0: port 1(vx0) entered forwarding state [ 622.053873][ T4269] br0: port 1(vx0) entered blocking state [ 622.054076][ T4269] br0: port 1(vx0) entered disabled state [ 622.054259][ T4269] vx0: entered allmulticast mode [ 622.055530][ T4269] vx0: entered promiscuous mode [ 622.057449][ T4269] br0: port 1(vx0) entered blocking state [ 622.057617][ T4269] br0: port 1(vx0) entered forwarding state [ 626.147003][ T4299] veth0: renamed from veth1 [ 626.776951][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 626.777353][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 626.777353][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 626.777353][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 626.777353][ T74] fib6_nh_init+0xa22/0x1580 [ 626.777353][ T74] ip6_route_info_create+0xf18/0x17d0 [ 626.777353][ T74] ip6_route_add+0x1c/0x140 [ 626.777353][ T74] inet6_rtm_newroute+0x104/0x110 [ 626.777353][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 626.777353][ T74] netlink_rcv_skb+0x130/0x360 [ 626.777353][ T74] netlink_unicast+0x449/0x710 [ 626.777353][ T74] netlink_sendmsg+0x723/0xbe0 [ 626.777353][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 626.777353][ T74] ___sys_sendmsg+0xee/0x170 [ 626.777353][ T74] __sys_sendmsg+0xcd/0x170 [ 626.777353][ T74] do_syscall_64+0xc6/0x1e0 [ 626.777353][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 626.777353][ T74] [ 626.779652][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 626.779652][ T74] netdev_get_by_index+0x5e/0x80 [ 626.779652][ T74] fib6_nh_init+0x3d8/0x1580 [ 626.779652][ T74] ip6_route_info_create+0xf18/0x17d0 [ 626.779652][ T74] addrconf_f6i_alloc+0x265/0x560 [ 626.779652][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 626.779652][ T74] addrconf_join_anycast+0x1c0/0x220 [ 626.779652][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 626.779652][ T74] addrconf_dad_completed+0x12b/0xe20 [ 626.779652][ T74] addrconf_dad_begin+0x310/0x670 [ 626.779652][ T74] addrconf_dad_work+0x10b/0xab0 [ 626.779652][ T74] process_one_work+0x84d/0x18a0 [ 626.779652][ T74] worker_thread+0x587/0xd30 [ 626.779652][ T74] kthread+0x28a/0x350 [ 626.779652][ T74] ret_from_fork+0x31/0x70 [ 626.779652][ T74] ret_from_fork_asm+0x1a/0x30 [ 626.779652][ T74] [ 626.781918][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 626.781918][ T74] netdev_get_by_index+0x5e/0x80 [ 626.781918][ T74] fib6_nh_init+0x3d8/0x1580 [ 626.781918][ T74] ip6_route_info_create+0xf18/0x17d0 [ 626.781918][ T74] ip6_route_add+0x1c/0x140 [ 626.781918][ T74] addrconf_prefix_route+0x2a6/0x430 [ 626.781918][ T74] inet6_addr_add+0x4f8/0xa40 [ 626.781918][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 626.781918][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 626.781918][ T74] netlink_rcv_skb+0x130/0x360 [ 626.781918][ T74] netlink_unicast+0x449/0x710 [ 626.781918][ T74] netlink_sendmsg+0x723/0xbe0 [ 626.781918][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 626.781918][ T74] ___sys_sendmsg+0xee/0x170 [ 626.781918][ T74] __sys_sendmsg+0xcd/0x170 [ 626.781918][ T74] do_syscall_64+0xc6/0x1e0 [ 626.781918][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 626.781918][ T74] [ 626.784317][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 626.784317][ T74] netdev_get_by_index+0x5e/0x80 [ 626.784317][ T74] fib6_nh_init+0x3d8/0x1580 [ 626.784317][ T74] ip6_route_info_create+0xf18/0x17d0 [ 626.784317][ T74] addrconf_f6i_alloc+0x315/0x560 [ 626.784317][ T74] ipv6_add_addr+0x411/0x2000 [ 626.784317][ T74] inet6_addr_add+0x30e/0xa40 [ 626.784317][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 626.784317][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 626.784317][ T74] netlink_rcv_skb+0x130/0x360 [ 626.784317][ T74] netlink_unicast+0x449/0x710 [ 626.784317][ T74] netlink_sendmsg+0x723/0xbe0 [ 626.784317][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 626.784317][ T74] ___sys_sendmsg+0xee/0x170 [ 626.784317][ T74] __sys_sendmsg+0xcd/0x170 [ 626.784317][ T74] do_syscall_64+0xc6/0x1e0 [ 626.784317][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 626.784317][ T74] [ 626.786791][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 626.786791][ T74] netdev_get_by_index+0x5e/0x80 [ 626.786791][ T74] fib6_nh_init+0x3d8/0x1580 [ 626.786791][ T74] ip6_route_info_create+0xf18/0x17d0 [ 626.786791][ T74] ip6_route_add+0x1c/0x140 [ 626.786791][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 626.786791][ T74] addrconf_add_dev+0xe2/0x170 [ 626.786791][ T74] inet6_addr_add+0x12f/0xa40 [ 626.786791][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 626.786791][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 626.786791][ T74] netlink_rcv_skb+0x130/0x360 [ 626.786791][ T74] netlink_unicast+0x449/0x710 [ 626.786791][ T74] netlink_sendmsg+0x723/0xbe0 [ 626.786791][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 626.786791][ T74] ___sys_sendmsg+0xee/0x170 [ 626.786791][ T74] __sys_sendmsg+0xcd/0x170 [ 626.786791][ T74] do_syscall_64+0xc6/0x1e0 [ 626.786791][ T74] [ 626.789153][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 626.789153][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 626.789153][ T74] ipv6_find_idev+0x102/0x170 [ 626.789153][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 626.789153][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 626.789153][ T74] netlink_rcv_skb+0x130/0x360 [ 626.789153][ T74] netlink_unicast+0x449/0x710 [ 626.789153][ T74] netlink_sendmsg+0x723/0xbe0 [ 626.789153][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 626.789153][ T74] ___sys_sendmsg+0xee/0x170 [ 626.789153][ T74] __sys_sendmsg+0xcd/0x170 [ 626.789153][ T74] do_syscall_64+0xc6/0x1e0 [ 626.789153][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 626.789153][ T74] [ 626.790980][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 626.790980][ T74] neigh_parms_alloc+0x1e5/0x510 [ 626.790980][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 626.790980][ T74] ipv6_find_idev+0x102/0x170 [ 626.790980][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 626.790980][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 626.790980][ T74] netlink_rcv_skb+0x130/0x360 [ 626.790980][ T74] netlink_unicast+0x449/0x710 [ 626.790980][ T74] netlink_sendmsg+0x723/0xbe0 [ 626.790980][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 626.790980][ T74] ___sys_sendmsg+0xee/0x170 [ 626.790980][ T74] __sys_sendmsg+0xcd/0x170 [ 626.790980][ T74] do_syscall_64+0xc6/0x1e0 [ 626.790980][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 626.790980][ T74] [ 626.793005][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 626.793334][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 626.793334][ T74] dst_init+0x84/0x4a0 [ 626.793334][ T74] dst_alloc+0x97/0x150 [ 626.793334][ T74] ip6_dst_alloc+0x23/0x90 [ 626.793334][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 626.793334][ T74] ip6_pol_route+0x56f/0x840 [ 626.793334][ T74] fib6_rule_lookup+0x456/0x630 [ 626.793334][ T74] ip6_route_input+0x59c/0xa50 [ 626.793334][ T74] ipv6_rcv+0x397/0x810 [ 626.793334][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 626.793334][ T74] process_backlog+0x101/0x620 [ 626.793334][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 626.793334][ T74] net_rx_action+0x495/0xbe0 [ 626.793334][ T74] __do_softirq+0x1b5/0x7f6 [ 626.793334][ T74] [ 626.795313][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 626.795313][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 626.795313][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 626.795313][ T74] fib6_nh_init+0xa22/0x1580 [ 626.795313][ T74] ip6_route_info_create+0xf18/0x17d0 [ 626.795313][ T74] ip6_route_add+0x1c/0x140 [ 626.795313][ T74] inet6_rtm_newroute+0x104/0x110 [ 626.795313][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 626.795313][ T74] netlink_rcv_skb+0x130/0x360 [ 626.795313][ T74] netlink_unicast+0x449/0x710 [ 626.795313][ T74] netlink_sendmsg+0x723/0xbe0 [ 626.795313][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 626.795313][ T74] ___sys_sendmsg+0xee/0x170 [ 626.795313][ T74] __sys_sendmsg+0xcd/0x170 [ 626.795313][ T74] do_syscall_64+0xc6/0x1e0 [ 626.795313][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 626.795313][ T74] [ 626.797699][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 626.797699][ T74] netdev_get_by_index+0x5e/0x80 [ 626.797699][ T74] fib6_nh_init+0x3d8/0x1580 [ 626.797699][ T74] ip6_route_info_create+0xf18/0x17d0 [ 626.797699][ T74] addrconf_f6i_alloc+0x265/0x560 [ 626.797699][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 626.797699][ T74] addrconf_join_anycast+0x1c0/0x220 [ 626.797699][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 626.797699][ T74] addrconf_dad_completed+0x12b/0xe20 [ 626.797699][ T74] addrconf_dad_begin+0x310/0x670 [ 626.797699][ T74] addrconf_dad_work+0x10b/0xab0 [ 626.797699][ T74] process_one_work+0x84d/0x18a0 [ 626.797699][ T74] worker_thread+0x587/0xd30 [ 626.797699][ T74] kthread+0x28a/0x350 [ 626.797699][ T74] ret_from_fork+0x31/0x70 [ 626.797699][ T74] ret_from_fork_asm+0x1a/0x30 [ 626.797699][ T74] [ 626.800223][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 626.800223][ T74] netdev_get_by_index+0x5e/0x80 [ 626.800223][ T74] fib6_nh_init+0x3d8/0x1580 [ 626.800223][ T74] ip6_route_info_create+0xf18/0x17d0 [ 626.800223][ T74] ip6_route_add+0x1c/0x140 [ 626.800223][ T74] addrconf_prefix_route+0x2a6/0x430 [ 626.800223][ T74] inet6_addr_add+0x4f8/0xa40 [ 626.800223][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 626.800223][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 626.800223][ T74] netlink_rcv_skb+0x130/0x360 [ 626.800223][ T74] netlink_unicast+0x449/0x710 [ 626.800223][ T74] netlink_sendmsg+0x723/0xbe0 [ 626.800223][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 626.800223][ T74] ___sys_sendmsg+0xee/0x170 [ 626.800223][ T74] __sys_sendmsg+0xcd/0x170 [ 626.800223][ T74] do_syscall_64+0xc6/0x1e0 [ 626.800223][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 626.800223][ T74] [ 626.802769][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 626.802769][ T74] netdev_get_by_index+0x5e/0x80 [ 626.802769][ T74] fib6_nh_init+0x3d8/0x1580 [ 626.802769][ T74] ip6_route_info_create+0xf18/0x17d0 [ 626.802769][ T74] addrconf_f6i_alloc+0x315/0x560 [ 626.802769][ T74] ipv6_add_addr+0x411/0x2000 [ 626.802769][ T74] inet6_addr_add+0x30e/0xa40 [ 626.802769][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 626.802769][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 626.802769][ T74] netlink_rcv_skb+0x130/0x360 [ 626.802769][ T74] netlink_unicast+0x449/0x710 [ 626.802769][ T74] netlink_sendmsg+0x723/0xbe0 [ 626.802769][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 626.802769][ T74] ___sys_sendmsg+0xee/0x170 [ 626.802769][ T74] __sys_sendmsg+0xcd/0x170 [ 626.802769][ T74] do_syscall_64+0xc6/0x1e0 [ 626.802769][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 626.802769][ T74] [ 626.805480][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 626.805480][ T74] netdev_get_by_index+0x5e/0x80 [ 626.805480][ T74] fib6_nh_init+0x3d8/0x1580 [ 626.805480][ T74] ip6_route_info_create+0xf18/0x17d0 [ 626.805480][ T74] ip6_route_add+0x1c/0x140 [ 626.805480][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 626.805480][ T74] addrconf_add_dev+0xe2/0x170 [ 626.805480][ T74] inet6_addr_add+0x12f/0xa40 [ 626.805480][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 626.805480][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 626.805480][ T74] netlink_rcv_skb+0x130/0x360 [ 626.805480][ T74] netlink_unicast+0x449/0x710 [ 626.805480][ T74] netlink_sendmsg+0x723/0xbe0 [ 626.805480][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 626.805480][ T74] ___sys_sendmsg+0xee/0x170 [ 626.805480][ T74] __sys_sendmsg+0xcd/0x170 [ 626.805480][ T74] do_syscall_64+0xc6/0x1e0 [ 626.805480][ T74] [ 626.808157][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 626.808157][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 626.808157][ T74] ipv6_find_idev+0x102/0x170 [ 626.808157][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 626.808157][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 626.808157][ T74] netlink_rcv_skb+0x130/0x360 [ 626.808157][ T74] netlink_unicast+0x449/0x710 [ 626.808157][ T74] netlink_sendmsg+0x723/0xbe0 [ 626.808157][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 626.808157][ T74] ___sys_sendmsg+0xee/0x170 [ 626.808157][ T74] __sys_sendmsg+0xcd/0x170 [ 626.808157][ T74] do_syscall_64+0xc6/0x1e0 [ 626.808157][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 626.808157][ T74] [ 626.810151][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 626.810151][ T74] neigh_parms_alloc+0x1e5/0x510 [ 626.810151][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 626.810151][ T74] ipv6_find_idev+0x102/0x170 [ 626.810151][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 626.810151][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 626.810151][ T74] netlink_rcv_skb+0x130/0x360 [ 626.810151][ T74] netlink_unicast+0x449/0x710 [ 626.810151][ T74] netlink_sendmsg+0x723/0xbe0 [ 626.810151][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 626.810151][ T74] ___sys_sendmsg+0xee/0x170 [ 626.810151][ T74] __sys_sendmsg+0xcd/0x170 [ 626.810151][ T74] do_syscall_64+0xc6/0x1e0 [ 626.810151][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 626.810151][ T74] [ 626.812212][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 626.812506][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 626.812506][ T74] netdev_get_by_index+0x5e/0x80 [ 626.812506][ T74] fib6_nh_init+0x3d8/0x1580 [ 626.812506][ T74] ip6_route_info_create+0xf18/0x17d0 [ 626.812506][ T74] ip6_route_add+0x1c/0x140 [ 626.812506][ T74] addrconf_prefix_route+0x2a6/0x430 [ 626.812506][ T74] inet6_addr_add+0x4f8/0xa40 [ 626.812506][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 626.812506][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 626.812506][ T74] netlink_rcv_skb+0x130/0x360 [ 626.812506][ T74] netlink_unicast+0x449/0x710 [ 626.812506][ T74] netlink_sendmsg+0x723/0xbe0 [ 626.812506][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 626.812506][ T74] ___sys_sendmsg+0xee/0x170 [ 626.812506][ T74] __sys_sendmsg+0xcd/0x170 [ 626.812506][ T74] do_syscall_64+0xc6/0x1e0 [ 626.812506][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 626.812506][ T74] [ 626.814896][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 626.814896][ T74] netdev_get_by_index+0x5e/0x80 [ 626.814896][ T74] fib6_nh_init+0x3d8/0x1580 [ 626.814896][ T74] ip6_route_info_create+0xf18/0x17d0 [ 626.814896][ T74] addrconf_f6i_alloc+0x315/0x560 [ 626.814896][ T74] ipv6_add_addr+0x411/0x2000 [ 626.814896][ T74] inet6_addr_add+0x30e/0xa40 [ 626.814896][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 626.814896][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 626.814896][ T74] netlink_rcv_skb+0x130/0x360 [ 626.814896][ T74] netlink_unicast+0x449/0x710 [ 626.814896][ T74] netlink_sendmsg+0x723/0xbe0 [ 626.814896][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 626.814896][ T74] ___sys_sendmsg+0xee/0x170 [ 626.814896][ T74] __sys_sendmsg+0xcd/0x170 [ 626.814896][ T74] do_syscall_64+0xc6/0x1e0 [ 626.814896][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 626.814896][ T74] [ 626.817319][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 626.817319][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 626.817319][ T74] ipv6_find_idev+0x102/0x170 [ 626.817319][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 626.817319][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 626.817319][ T74] netlink_rcv_skb+0x130/0x360 [ 626.817319][ T74] netlink_unicast+0x449/0x710 [ 626.817319][ T74] netlink_sendmsg+0x723/0xbe0 [ 626.817319][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 626.817319][ T74] ___sys_sendmsg+0xee/0x170 [ 626.817319][ T74] __sys_sendmsg+0xcd/0x170 [ 626.817319][ T74] do_syscall_64+0xc6/0x1e0 [ 626.817319][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 626.817319][ T74] [ 626.819408][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 626.819408][ T74] neigh_parms_alloc+0x1e5/0x510 [ 626.819408][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 626.819408][ T74] ipv6_find_idev+0x102/0x170 [ 626.819408][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 626.819408][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 626.819408][ T74] netlink_rcv_skb+0x130/0x360 [ 626.819408][ T74] netlink_unicast+0x449/0x710 [ 626.819408][ T74] netlink_sendmsg+0x723/0xbe0 [ 626.819408][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 626.819408][ T74] ___sys_sendmsg+0xee/0x170 [ 626.819408][ T74] __sys_sendmsg+0xcd/0x170 [ 626.819408][ T74] do_syscall_64+0xc6/0x1e0 [ 626.819408][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 626.819408][ T74] [ 630.156315][ T4327] br0: port 1(vx0) entered blocking state [ 630.156524][ T4327] br0: port 1(vx0) entered disabled state [ 630.156699][ T4327] vx0: entered allmulticast mode [ 630.158788][ T4327] vx0: entered promiscuous mode [ 630.160647][ T4327] br0: port 1(vx0) entered blocking state [ 630.160820][ T4327] br0: port 1(vx0) entered forwarding state [ 635.706176][ T4357] br0: port 1(vx0) entered blocking state [ 635.706402][ T4357] br0: port 1(vx0) entered disabled state [ 635.706583][ T4357] vx0: entered allmulticast mode [ 635.707837][ T4357] vx0: entered promiscuous mode [ 635.709920][ T4357] br0: port 1(vx0) entered blocking state [ 635.710093][ T4357] br0: port 1(vx0) entered forwarding state [ 636.943922][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 636.944295][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 636.944295][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 636.944295][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 636.944295][ T74] fib6_nh_init+0xa22/0x1580 [ 636.944295][ T74] ip6_route_info_create+0xf18/0x17d0 [ 636.944295][ T74] ip6_route_add+0x1c/0x140 [ 636.944295][ T74] inet6_rtm_newroute+0x104/0x110 [ 636.944295][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 636.944295][ T74] netlink_rcv_skb+0x130/0x360 [ 636.944295][ T74] netlink_unicast+0x449/0x710 [ 636.944295][ T74] netlink_sendmsg+0x723/0xbe0 [ 636.944295][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 636.944295][ T74] ___sys_sendmsg+0xee/0x170 [ 636.944295][ T74] __sys_sendmsg+0xcd/0x170 [ 636.944295][ T74] do_syscall_64+0xc6/0x1e0 [ 636.944295][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 636.944295][ T74] [ 636.946536][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 636.946536][ T74] netdev_get_by_index+0x5e/0x80 [ 636.946536][ T74] fib6_nh_init+0x3d8/0x1580 [ 636.946536][ T74] ip6_route_info_create+0xf18/0x17d0 [ 636.946536][ T74] addrconf_f6i_alloc+0x265/0x560 [ 636.946536][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 636.946536][ T74] addrconf_join_anycast+0x1c0/0x220 [ 636.946536][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 636.946536][ T74] addrconf_dad_completed+0x12b/0xe20 [ 636.946536][ T74] addrconf_dad_begin+0x310/0x670 [ 636.946536][ T74] addrconf_dad_work+0x10b/0xab0 [ 636.946536][ T74] process_one_work+0x84d/0x18a0 [ 636.946536][ T74] worker_thread+0x587/0xd30 [ 636.946536][ T74] kthread+0x28a/0x350 [ 636.946536][ T74] ret_from_fork+0x31/0x70 [ 636.946536][ T74] ret_from_fork_asm+0x1a/0x30 [ 636.946536][ T74] [ 636.948769][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 636.948769][ T74] netdev_get_by_index+0x5e/0x80 [ 636.948769][ T74] fib6_nh_init+0x3d8/0x1580 [ 636.948769][ T74] ip6_route_info_create+0xf18/0x17d0 [ 636.948769][ T74] ip6_route_add+0x1c/0x140 [ 636.948769][ T74] addrconf_prefix_route+0x2a6/0x430 [ 636.948769][ T74] inet6_addr_add+0x4f8/0xa40 [ 636.948769][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 636.948769][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 636.948769][ T74] netlink_rcv_skb+0x130/0x360 [ 636.948769][ T74] netlink_unicast+0x449/0x710 [ 636.948769][ T74] netlink_sendmsg+0x723/0xbe0 [ 636.948769][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 636.948769][ T74] ___sys_sendmsg+0xee/0x170 [ 636.948769][ T74] __sys_sendmsg+0xcd/0x170 [ 636.948769][ T74] do_syscall_64+0xc6/0x1e0 [ 636.948769][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 636.948769][ T74] [ 636.951111][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 636.951111][ T74] netdev_get_by_index+0x5e/0x80 [ 636.951111][ T74] fib6_nh_init+0x3d8/0x1580 [ 636.951111][ T74] ip6_route_info_create+0xf18/0x17d0 [ 636.951111][ T74] addrconf_f6i_alloc+0x315/0x560 [ 636.951111][ T74] ipv6_add_addr+0x411/0x2000 [ 636.951111][ T74] inet6_addr_add+0x30e/0xa40 [ 636.951111][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 636.951111][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 636.951111][ T74] netlink_rcv_skb+0x130/0x360 [ 636.951111][ T74] netlink_unicast+0x449/0x710 [ 636.951111][ T74] netlink_sendmsg+0x723/0xbe0 [ 636.951111][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 636.951111][ T74] ___sys_sendmsg+0xee/0x170 [ 636.951111][ T74] __sys_sendmsg+0xcd/0x170 [ 636.951111][ T74] do_syscall_64+0xc6/0x1e0 [ 636.951111][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 636.951111][ T74] [ 636.953420][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 636.953420][ T74] netdev_get_by_index+0x5e/0x80 [ 636.953420][ T74] fib6_nh_init+0x3d8/0x1580 [ 636.953420][ T74] ip6_route_info_create+0xf18/0x17d0 [ 636.953420][ T74] ip6_route_add+0x1c/0x140 [ 636.953420][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 636.953420][ T74] addrconf_add_dev+0xe2/0x170 [ 636.953420][ T74] inet6_addr_add+0x12f/0xa40 [ 636.953420][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 636.953420][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 636.953420][ T74] netlink_rcv_skb+0x130/0x360 [ 636.953420][ T74] netlink_unicast+0x449/0x710 [ 636.953420][ T74] netlink_sendmsg+0x723/0xbe0 [ 636.953420][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 636.953420][ T74] ___sys_sendmsg+0xee/0x170 [ 636.953420][ T74] __sys_sendmsg+0xcd/0x170 [ 636.953420][ T74] do_syscall_64+0xc6/0x1e0 [ 636.953420][ T74] [ 636.956038][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 636.956038][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 636.956038][ T74] ipv6_find_idev+0x102/0x170 [ 636.956038][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 636.956038][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 636.956038][ T74] netlink_rcv_skb+0x130/0x360 [ 636.956038][ T74] netlink_unicast+0x449/0x710 [ 636.956038][ T74] netlink_sendmsg+0x723/0xbe0 [ 636.956038][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 636.956038][ T74] ___sys_sendmsg+0xee/0x170 [ 636.956038][ T74] __sys_sendmsg+0xcd/0x170 [ 636.956038][ T74] do_syscall_64+0xc6/0x1e0 [ 636.956038][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 636.956038][ T74] [ 636.957985][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 636.957985][ T74] neigh_parms_alloc+0x1e5/0x510 [ 636.957985][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 636.957985][ T74] ipv6_find_idev+0x102/0x170 [ 636.957985][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 636.957985][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 636.957985][ T74] netlink_rcv_skb+0x130/0x360 [ 636.957985][ T74] netlink_unicast+0x449/0x710 [ 636.957985][ T74] netlink_sendmsg+0x723/0xbe0 [ 636.957985][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 636.957985][ T74] ___sys_sendmsg+0xee/0x170 [ 636.957985][ T74] __sys_sendmsg+0xcd/0x170 [ 636.957985][ T74] do_syscall_64+0xc6/0x1e0 [ 636.957985][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 636.957985][ T74] [ 636.960146][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 636.960467][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 636.960467][ T74] dst_init+0x84/0x4a0 [ 636.960467][ T74] dst_alloc+0x97/0x150 [ 636.960467][ T74] ip6_dst_alloc+0x23/0x90 [ 636.960467][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 636.960467][ T74] ip6_pol_route+0x56f/0x840 [ 636.960467][ T74] fib6_rule_lookup+0x456/0x630 [ 636.960467][ T74] ip6_route_input+0x59c/0xa50 [ 636.960467][ T74] ipv6_rcv+0x397/0x810 [ 636.960467][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 636.960467][ T74] process_backlog+0x101/0x620 [ 636.960467][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 636.960467][ T74] net_rx_action+0x495/0xbe0 [ 636.960467][ T74] __do_softirq+0x1b5/0x7f6 [ 636.960467][ T74] [ 636.962498][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 636.962498][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 636.962498][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 636.962498][ T74] fib6_nh_init+0xa22/0x1580 [ 636.962498][ T74] ip6_route_info_create+0xf18/0x17d0 [ 636.962498][ T74] ip6_route_add+0x1c/0x140 [ 636.962498][ T74] inet6_rtm_newroute+0x104/0x110 [ 636.962498][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 636.962498][ T74] netlink_rcv_skb+0x130/0x360 [ 636.962498][ T74] netlink_unicast+0x449/0x710 [ 636.962498][ T74] netlink_sendmsg+0x723/0xbe0 [ 636.962498][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 636.962498][ T74] ___sys_sendmsg+0xee/0x170 [ 636.962498][ T74] __sys_sendmsg+0xcd/0x170 [ 636.962498][ T74] do_syscall_64+0xc6/0x1e0 [ 636.962498][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 636.962498][ T74] [ 636.964753][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 636.964753][ T74] netdev_get_by_index+0x5e/0x80 [ 636.964753][ T74] fib6_nh_init+0x3d8/0x1580 [ 636.964753][ T74] ip6_route_info_create+0xf18/0x17d0 [ 636.964753][ T74] addrconf_f6i_alloc+0x265/0x560 [ 636.964753][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 636.964753][ T74] addrconf_join_anycast+0x1c0/0x220 [ 636.964753][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 636.964753][ T74] addrconf_dad_completed+0x12b/0xe20 [ 636.964753][ T74] addrconf_dad_begin+0x310/0x670 [ 636.964753][ T74] addrconf_dad_work+0x10b/0xab0 [ 636.964753][ T74] process_one_work+0x84d/0x18a0 [ 636.964753][ T74] worker_thread+0x587/0xd30 [ 636.964753][ T74] kthread+0x28a/0x350 [ 636.964753][ T74] ret_from_fork+0x31/0x70 [ 636.964753][ T74] ret_from_fork_asm+0x1a/0x30 [ 636.964753][ T74] [ 636.967153][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 636.967153][ T74] netdev_get_by_index+0x5e/0x80 [ 636.967153][ T74] fib6_nh_init+0x3d8/0x1580 [ 636.967153][ T74] ip6_route_info_create+0xf18/0x17d0 [ 636.967153][ T74] ip6_route_add+0x1c/0x140 [ 636.967153][ T74] addrconf_prefix_route+0x2a6/0x430 [ 636.967153][ T74] inet6_addr_add+0x4f8/0xa40 [ 636.967153][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 636.967153][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 636.967153][ T74] netlink_rcv_skb+0x130/0x360 [ 636.967153][ T74] netlink_unicast+0x449/0x710 [ 636.967153][ T74] netlink_sendmsg+0x723/0xbe0 [ 636.967153][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 636.967153][ T74] ___sys_sendmsg+0xee/0x170 [ 636.967153][ T74] __sys_sendmsg+0xcd/0x170 [ 636.967153][ T74] do_syscall_64+0xc6/0x1e0 [ 636.967153][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 636.967153][ T74] [ 636.969886][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 636.969886][ T74] netdev_get_by_index+0x5e/0x80 [ 636.969886][ T74] fib6_nh_init+0x3d8/0x1580 [ 636.969886][ T74] ip6_route_info_create+0xf18/0x17d0 [ 636.969886][ T74] addrconf_f6i_alloc+0x315/0x560 [ 636.969886][ T74] ipv6_add_addr+0x411/0x2000 [ 636.969886][ T74] inet6_addr_add+0x30e/0xa40 [ 636.969886][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 636.969886][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 636.969886][ T74] netlink_rcv_skb+0x130/0x360 [ 636.969886][ T74] netlink_unicast+0x449/0x710 [ 636.969886][ T74] netlink_sendmsg+0x723/0xbe0 [ 636.969886][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 636.969886][ T74] ___sys_sendmsg+0xee/0x170 [ 636.969886][ T74] __sys_sendmsg+0xcd/0x170 [ 636.969886][ T74] do_syscall_64+0xc6/0x1e0 [ 636.969886][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 636.969886][ T74] [ 636.972497][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 636.972497][ T74] netdev_get_by_index+0x5e/0x80 [ 636.972497][ T74] fib6_nh_init+0x3d8/0x1580 [ 636.972497][ T74] ip6_route_info_create+0xf18/0x17d0 [ 636.972497][ T74] ip6_route_add+0x1c/0x140 [ 636.972497][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 636.972497][ T74] addrconf_add_dev+0xe2/0x170 [ 636.972497][ T74] inet6_addr_add+0x12f/0xa40 [ 636.972497][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 636.972497][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 636.972497][ T74] netlink_rcv_skb+0x130/0x360 [ 636.972497][ T74] netlink_unicast+0x449/0x710 [ 636.972497][ T74] netlink_sendmsg+0x723/0xbe0 [ 636.972497][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 636.972497][ T74] ___sys_sendmsg+0xee/0x170 [ 636.972497][ T74] __sys_sendmsg+0xcd/0x170 [ 636.972497][ T74] do_syscall_64+0xc6/0x1e0 [ 636.972497][ T74] [ 636.975047][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 636.975047][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 636.975047][ T74] ipv6_find_idev+0x102/0x170 [ 636.975047][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 636.975047][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 636.975047][ T74] netlink_rcv_skb+0x130/0x360 [ 636.975047][ T74] netlink_unicast+0x449/0x710 [ 636.975047][ T74] netlink_sendmsg+0x723/0xbe0 [ 636.975047][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 636.975047][ T74] ___sys_sendmsg+0xee/0x170 [ 636.975047][ T74] __sys_sendmsg+0xcd/0x170 [ 636.975047][ T74] do_syscall_64+0xc6/0x1e0 [ 636.975047][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 636.975047][ T74] [ 636.977008][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 636.977008][ T74] neigh_parms_alloc+0x1e5/0x510 [ 636.977008][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 636.977008][ T74] ipv6_find_idev+0x102/0x170 [ 636.977008][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 636.977008][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 636.977008][ T74] netlink_rcv_skb+0x130/0x360 [ 636.977008][ T74] netlink_unicast+0x449/0x710 [ 636.977008][ T74] netlink_sendmsg+0x723/0xbe0 [ 636.977008][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 636.977008][ T74] ___sys_sendmsg+0xee/0x170 [ 636.977008][ T74] __sys_sendmsg+0xcd/0x170 [ 636.977008][ T74] do_syscall_64+0xc6/0x1e0 [ 636.977008][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 636.977008][ T74] [ 636.979175][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 636.979478][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 636.979478][ T74] netdev_get_by_index+0x5e/0x80 [ 636.979478][ T74] fib6_nh_init+0x3d8/0x1580 [ 636.979478][ T74] ip6_route_info_create+0xf18/0x17d0 [ 636.979478][ T74] ip6_route_add+0x1c/0x140 [ 636.979478][ T74] addrconf_prefix_route+0x2a6/0x430 [ 636.979478][ T74] inet6_addr_add+0x4f8/0xa40 [ 636.979478][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 636.979478][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 636.979478][ T74] netlink_rcv_skb+0x130/0x360 [ 636.979478][ T74] netlink_unicast+0x449/0x710 [ 636.979478][ T74] netlink_sendmsg+0x723/0xbe0 [ 636.979478][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 636.979478][ T74] ___sys_sendmsg+0xee/0x170 [ 636.979478][ T74] __sys_sendmsg+0xcd/0x170 [ 636.979478][ T74] do_syscall_64+0xc6/0x1e0 [ 636.979478][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 636.979478][ T74] [ 636.982335][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 636.982335][ T74] netdev_get_by_index+0x5e/0x80 [ 636.982335][ T74] fib6_nh_init+0x3d8/0x1580 [ 636.982335][ T74] ip6_route_info_create+0xf18/0x17d0 [ 636.982335][ T74] addrconf_f6i_alloc+0x315/0x560 [ 636.982335][ T74] ipv6_add_addr+0x411/0x2000 [ 636.982335][ T74] inet6_addr_add+0x30e/0xa40 [ 636.982335][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 636.982335][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 636.982335][ T74] netlink_rcv_skb+0x130/0x360 [ 636.982335][ T74] netlink_unicast+0x449/0x710 [ 636.982335][ T74] netlink_sendmsg+0x723/0xbe0 [ 636.982335][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 636.982335][ T74] ___sys_sendmsg+0xee/0x170 [ 636.982335][ T74] __sys_sendmsg+0xcd/0x170 [ 636.982335][ T74] do_syscall_64+0xc6/0x1e0 [ 636.982335][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 636.982335][ T74] [ 636.985100][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 636.985100][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 636.985100][ T74] ipv6_find_idev+0x102/0x170 [ 636.985100][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 636.985100][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 636.985100][ T74] netlink_rcv_skb+0x130/0x360 [ 636.985100][ T74] netlink_unicast+0x449/0x710 [ 636.985100][ T74] netlink_sendmsg+0x723/0xbe0 [ 636.985100][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 636.985100][ T74] ___sys_sendmsg+0xee/0x170 [ 636.985100][ T74] __sys_sendmsg+0xcd/0x170 [ 636.985100][ T74] do_syscall_64+0xc6/0x1e0 [ 636.985100][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 636.985100][ T74] [ 636.987286][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 636.987286][ T74] neigh_parms_alloc+0x1e5/0x510 [ 636.987286][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 636.987286][ T74] ipv6_find_idev+0x102/0x170 [ 636.987286][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 636.987286][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 636.987286][ T74] netlink_rcv_skb+0x130/0x360 [ 636.987286][ T74] netlink_unicast+0x449/0x710 [ 636.987286][ T74] netlink_sendmsg+0x723/0xbe0 [ 636.987286][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 636.987286][ T74] ___sys_sendmsg+0xee/0x170 [ 636.987286][ T74] __sys_sendmsg+0xcd/0x170 [ 636.987286][ T74] do_syscall_64+0xc6/0x1e0 [ 636.987286][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 636.987286][ T74] [ 647.096968][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 647.097335][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 647.097335][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 647.097335][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 647.097335][ T74] fib6_nh_init+0xa22/0x1580 [ 647.097335][ T74] ip6_route_info_create+0xf18/0x17d0 [ 647.097335][ T74] ip6_route_add+0x1c/0x140 [ 647.097335][ T74] inet6_rtm_newroute+0x104/0x110 [ 647.097335][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 647.097335][ T74] netlink_rcv_skb+0x130/0x360 [ 647.097335][ T74] netlink_unicast+0x449/0x710 [ 647.097335][ T74] netlink_sendmsg+0x723/0xbe0 [ 647.097335][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 647.097335][ T74] ___sys_sendmsg+0xee/0x170 [ 647.097335][ T74] __sys_sendmsg+0xcd/0x170 [ 647.097335][ T74] do_syscall_64+0xc6/0x1e0 [ 647.097335][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 647.097335][ T74] [ 647.099529][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 647.099529][ T74] netdev_get_by_index+0x5e/0x80 [ 647.099529][ T74] fib6_nh_init+0x3d8/0x1580 [ 647.099529][ T74] ip6_route_info_create+0xf18/0x17d0 [ 647.099529][ T74] addrconf_f6i_alloc+0x265/0x560 [ 647.099529][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 647.099529][ T74] addrconf_join_anycast+0x1c0/0x220 [ 647.099529][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 647.099529][ T74] addrconf_dad_completed+0x12b/0xe20 [ 647.099529][ T74] addrconf_dad_begin+0x310/0x670 [ 647.099529][ T74] addrconf_dad_work+0x10b/0xab0 [ 647.099529][ T74] process_one_work+0x84d/0x18a0 [ 647.099529][ T74] worker_thread+0x587/0xd30 [ 647.099529][ T74] kthread+0x28a/0x350 [ 647.099529][ T74] ret_from_fork+0x31/0x70 [ 647.099529][ T74] ret_from_fork_asm+0x1a/0x30 [ 647.099529][ T74] [ 647.101713][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 647.101713][ T74] netdev_get_by_index+0x5e/0x80 [ 647.101713][ T74] fib6_nh_init+0x3d8/0x1580 [ 647.101713][ T74] ip6_route_info_create+0xf18/0x17d0 [ 647.101713][ T74] ip6_route_add+0x1c/0x140 [ 647.101713][ T74] addrconf_prefix_route+0x2a6/0x430 [ 647.101713][ T74] inet6_addr_add+0x4f8/0xa40 [ 647.101713][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 647.101713][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 647.101713][ T74] netlink_rcv_skb+0x130/0x360 [ 647.101713][ T74] netlink_unicast+0x449/0x710 [ 647.101713][ T74] netlink_sendmsg+0x723/0xbe0 [ 647.101713][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 647.101713][ T74] ___sys_sendmsg+0xee/0x170 [ 647.101713][ T74] __sys_sendmsg+0xcd/0x170 [ 647.101713][ T74] do_syscall_64+0xc6/0x1e0 [ 647.101713][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 647.101713][ T74] [ 647.103751][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 647.103751][ T74] netdev_get_by_index+0x5e/0x80 [ 647.103751][ T74] fib6_nh_init+0x3d8/0x1580 [ 647.103751][ T74] ip6_route_info_create+0xf18/0x17d0 [ 647.103751][ T74] addrconf_f6i_alloc+0x315/0x560 [ 647.103751][ T74] ipv6_add_addr+0x411/0x2000 [ 647.103751][ T74] inet6_addr_add+0x30e/0xa40 [ 647.103751][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 647.103751][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 647.103751][ T74] netlink_rcv_skb+0x130/0x360 [ 647.103751][ T74] netlink_unicast+0x449/0x710 [ 647.103751][ T74] netlink_sendmsg+0x723/0xbe0 [ 647.103751][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 647.103751][ T74] ___sys_sendmsg+0xee/0x170 [ 647.103751][ T74] __sys_sendmsg+0xcd/0x170 [ 647.103751][ T74] do_syscall_64+0xc6/0x1e0 [ 647.103751][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 647.103751][ T74] [ 647.105766][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 647.105766][ T74] netdev_get_by_index+0x5e/0x80 [ 647.105766][ T74] fib6_nh_init+0x3d8/0x1580 [ 647.105766][ T74] ip6_route_info_create+0xf18/0x17d0 [ 647.105766][ T74] ip6_route_add+0x1c/0x140 [ 647.105766][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 647.105766][ T74] addrconf_add_dev+0xe2/0x170 [ 647.105766][ T74] inet6_addr_add+0x12f/0xa40 [ 647.105766][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 647.105766][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 647.105766][ T74] netlink_rcv_skb+0x130/0x360 [ 647.105766][ T74] netlink_unicast+0x449/0x710 [ 647.105766][ T74] netlink_sendmsg+0x723/0xbe0 [ 647.105766][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 647.105766][ T74] ___sys_sendmsg+0xee/0x170 [ 647.105766][ T74] __sys_sendmsg+0xcd/0x170 [ 647.105766][ T74] do_syscall_64+0xc6/0x1e0 [ 647.105766][ T74] [ 647.108058][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 647.108058][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 647.108058][ T74] ipv6_find_idev+0x102/0x170 [ 647.108058][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 647.108058][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 647.108058][ T74] netlink_rcv_skb+0x130/0x360 [ 647.108058][ T74] netlink_unicast+0x449/0x710 [ 647.108058][ T74] netlink_sendmsg+0x723/0xbe0 [ 647.108058][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 647.108058][ T74] ___sys_sendmsg+0xee/0x170 [ 647.108058][ T74] __sys_sendmsg+0xcd/0x170 [ 647.108058][ T74] do_syscall_64+0xc6/0x1e0 [ 647.108058][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 647.108058][ T74] [ 647.109874][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 647.109874][ T74] neigh_parms_alloc+0x1e5/0x510 [ 647.109874][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 647.109874][ T74] ipv6_find_idev+0x102/0x170 [ 647.109874][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 647.109874][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 647.109874][ T74] netlink_rcv_skb+0x130/0x360 [ 647.109874][ T74] netlink_unicast+0x449/0x710 [ 647.109874][ T74] netlink_sendmsg+0x723/0xbe0 [ 647.109874][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 647.109874][ T74] ___sys_sendmsg+0xee/0x170 [ 647.109874][ T74] __sys_sendmsg+0xcd/0x170 [ 647.109874][ T74] do_syscall_64+0xc6/0x1e0 [ 647.109874][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 647.109874][ T74] [ 647.111790][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 647.112090][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 647.112090][ T74] dst_init+0x84/0x4a0 [ 647.112090][ T74] dst_alloc+0x97/0x150 [ 647.112090][ T74] ip6_dst_alloc+0x23/0x90 [ 647.112090][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 647.112090][ T74] ip6_pol_route+0x56f/0x840 [ 647.112090][ T74] fib6_rule_lookup+0x456/0x630 [ 647.112090][ T74] ip6_route_input+0x59c/0xa50 [ 647.112090][ T74] ipv6_rcv+0x397/0x810 [ 647.112090][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 647.112090][ T74] process_backlog+0x101/0x620 [ 647.112090][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 647.112090][ T74] net_rx_action+0x495/0xbe0 [ 647.112090][ T74] __do_softirq+0x1b5/0x7f6 [ 647.112090][ T74] [ 647.114178][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 647.114178][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 647.114178][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 647.114178][ T74] fib6_nh_init+0xa22/0x1580 [ 647.114178][ T74] ip6_route_info_create+0xf18/0x17d0 [ 647.114178][ T74] ip6_route_add+0x1c/0x140 [ 647.114178][ T74] inet6_rtm_newroute+0x104/0x110 [ 647.114178][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 647.114178][ T74] netlink_rcv_skb+0x130/0x360 [ 647.114178][ T74] netlink_unicast+0x449/0x710 [ 647.114178][ T74] netlink_sendmsg+0x723/0xbe0 [ 647.114178][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 647.114178][ T74] ___sys_sendmsg+0xee/0x170 [ 647.114178][ T74] __sys_sendmsg+0xcd/0x170 [ 647.114178][ T74] do_syscall_64+0xc6/0x1e0 [ 647.114178][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 647.114178][ T74] [ 647.116354][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 647.116354][ T74] netdev_get_by_index+0x5e/0x80 [ 647.116354][ T74] fib6_nh_init+0x3d8/0x1580 [ 647.116354][ T74] ip6_route_info_create+0xf18/0x17d0 [ 647.116354][ T74] addrconf_f6i_alloc+0x265/0x560 [ 647.116354][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 647.116354][ T74] addrconf_join_anycast+0x1c0/0x220 [ 647.116354][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 647.116354][ T74] addrconf_dad_completed+0x12b/0xe20 [ 647.116354][ T74] addrconf_dad_begin+0x310/0x670 [ 647.116354][ T74] addrconf_dad_work+0x10b/0xab0 [ 647.116354][ T74] process_one_work+0x84d/0x18a0 [ 647.116354][ T74] worker_thread+0x587/0xd30 [ 647.116354][ T74] kthread+0x28a/0x350 [ 647.116354][ T74] ret_from_fork+0x31/0x70 [ 647.116354][ T74] ret_from_fork_asm+0x1a/0x30 [ 647.116354][ T74] [ 647.118504][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 647.118504][ T74] netdev_get_by_index+0x5e/0x80 [ 647.118504][ T74] fib6_nh_init+0x3d8/0x1580 [ 647.118504][ T74] ip6_route_info_create+0xf18/0x17d0 [ 647.118504][ T74] ip6_route_add+0x1c/0x140 [ 647.118504][ T74] addrconf_prefix_route+0x2a6/0x430 [ 647.118504][ T74] inet6_addr_add+0x4f8/0xa40 [ 647.118504][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 647.118504][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 647.118504][ T74] netlink_rcv_skb+0x130/0x360 [ 647.118504][ T74] netlink_unicast+0x449/0x710 [ 647.118504][ T74] netlink_sendmsg+0x723/0xbe0 [ 647.118504][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 647.118504][ T74] ___sys_sendmsg+0xee/0x170 [ 647.118504][ T74] __sys_sendmsg+0xcd/0x170 [ 647.118504][ T74] do_syscall_64+0xc6/0x1e0 [ 647.118504][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 647.118504][ T74] [ 647.120746][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 647.120746][ T74] netdev_get_by_index+0x5e/0x80 [ 647.120746][ T74] fib6_nh_init+0x3d8/0x1580 [ 647.120746][ T74] ip6_route_info_create+0xf18/0x17d0 [ 647.120746][ T74] addrconf_f6i_alloc+0x315/0x560 [ 647.120746][ T74] ipv6_add_addr+0x411/0x2000 [ 647.120746][ T74] inet6_addr_add+0x30e/0xa40 [ 647.120746][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 647.120746][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 647.120746][ T74] netlink_rcv_skb+0x130/0x360 [ 647.120746][ T74] netlink_unicast+0x449/0x710 [ 647.120746][ T74] netlink_sendmsg+0x723/0xbe0 [ 647.120746][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 647.120746][ T74] ___sys_sendmsg+0xee/0x170 [ 647.120746][ T74] __sys_sendmsg+0xcd/0x170 [ 647.120746][ T74] do_syscall_64+0xc6/0x1e0 [ 647.120746][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 647.120746][ T74] [ 647.122939][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 647.122939][ T74] netdev_get_by_index+0x5e/0x80 [ 647.122939][ T74] fib6_nh_init+0x3d8/0x1580 [ 647.122939][ T74] ip6_route_info_create+0xf18/0x17d0 [ 647.122939][ T74] ip6_route_add+0x1c/0x140 [ 647.122939][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 647.122939][ T74] addrconf_add_dev+0xe2/0x170 [ 647.122939][ T74] inet6_addr_add+0x12f/0xa40 [ 647.122939][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 647.122939][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 647.122939][ T74] netlink_rcv_skb+0x130/0x360 [ 647.122939][ T74] netlink_unicast+0x449/0x710 [ 647.122939][ T74] netlink_sendmsg+0x723/0xbe0 [ 647.122939][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 647.122939][ T74] ___sys_sendmsg+0xee/0x170 [ 647.122939][ T74] __sys_sendmsg+0xcd/0x170 [ 647.122939][ T74] do_syscall_64+0xc6/0x1e0 [ 647.122939][ T74] [ 647.125153][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 647.125153][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 647.125153][ T74] ipv6_find_idev+0x102/0x170 [ 647.125153][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 647.125153][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 647.125153][ T74] netlink_rcv_skb+0x130/0x360 [ 647.125153][ T74] netlink_unicast+0x449/0x710 [ 647.125153][ T74] netlink_sendmsg+0x723/0xbe0 [ 647.125153][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 647.125153][ T74] ___sys_sendmsg+0xee/0x170 [ 647.125153][ T74] __sys_sendmsg+0xcd/0x170 [ 647.125153][ T74] do_syscall_64+0xc6/0x1e0 [ 647.125153][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 647.125153][ T74] [ 647.126902][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 647.126902][ T74] neigh_parms_alloc+0x1e5/0x510 [ 647.126902][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 647.126902][ T74] ipv6_find_idev+0x102/0x170 [ 647.126902][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 647.126902][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 647.126902][ T74] netlink_rcv_skb+0x130/0x360 [ 647.126902][ T74] netlink_unicast+0x449/0x710 [ 647.126902][ T74] netlink_sendmsg+0x723/0xbe0 [ 647.126902][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 647.126902][ T74] ___sys_sendmsg+0xee/0x170 [ 647.126902][ T74] __sys_sendmsg+0xcd/0x170 [ 647.126902][ T74] do_syscall_64+0xc6/0x1e0 [ 647.126902][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 647.126902][ T74] [ 647.128787][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 647.129118][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 647.129118][ T74] netdev_get_by_index+0x5e/0x80 [ 647.129118][ T74] fib6_nh_init+0x3d8/0x1580 [ 647.129118][ T74] ip6_route_info_create+0xf18/0x17d0 [ 647.129118][ T74] ip6_route_add+0x1c/0x140 [ 647.129118][ T74] addrconf_prefix_route+0x2a6/0x430 [ 647.129118][ T74] inet6_addr_add+0x4f8/0xa40 [ 647.129118][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 647.129118][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 647.129118][ T74] netlink_rcv_skb+0x130/0x360 [ 647.129118][ T74] netlink_unicast+0x449/0x710 [ 647.129118][ T74] netlink_sendmsg+0x723/0xbe0 [ 647.129118][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 647.129118][ T74] ___sys_sendmsg+0xee/0x170 [ 647.129118][ T74] __sys_sendmsg+0xcd/0x170 [ 647.129118][ T74] do_syscall_64+0xc6/0x1e0 [ 647.129118][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 647.129118][ T74] [ 647.131139][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 647.131139][ T74] netdev_get_by_index+0x5e/0x80 [ 647.131139][ T74] fib6_nh_init+0x3d8/0x1580 [ 647.131139][ T74] ip6_route_info_create+0xf18/0x17d0 [ 647.131139][ T74] addrconf_f6i_alloc+0x315/0x560 [ 647.131139][ T74] ipv6_add_addr+0x411/0x2000 [ 647.131139][ T74] inet6_addr_add+0x30e/0xa40 [ 647.131139][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 647.131139][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 647.131139][ T74] netlink_rcv_skb+0x130/0x360 [ 647.131139][ T74] netlink_unicast+0x449/0x710 [ 647.131139][ T74] netlink_sendmsg+0x723/0xbe0 [ 647.131139][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 647.131139][ T74] ___sys_sendmsg+0xee/0x170 [ 647.131139][ T74] __sys_sendmsg+0xcd/0x170 [ 647.131139][ T74] do_syscall_64+0xc6/0x1e0 [ 647.131139][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 647.131139][ T74] [ 647.133413][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 647.133413][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 647.133413][ T74] ipv6_find_idev+0x102/0x170 [ 647.133413][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 647.133413][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 647.133413][ T74] netlink_rcv_skb+0x130/0x360 [ 647.133413][ T74] netlink_unicast+0x449/0x710 [ 647.133413][ T74] netlink_sendmsg+0x723/0xbe0 [ 647.133413][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 647.133413][ T74] ___sys_sendmsg+0xee/0x170 [ 647.133413][ T74] __sys_sendmsg+0xcd/0x170 [ 647.133413][ T74] do_syscall_64+0xc6/0x1e0 [ 647.133413][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 647.133413][ T74] [ 647.135093][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 647.135093][ T74] neigh_parms_alloc+0x1e5/0x510 [ 647.135093][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 647.135093][ T74] ipv6_find_idev+0x102/0x170 [ 647.135093][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 647.135093][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 647.135093][ T74] netlink_rcv_skb+0x130/0x360 [ 647.135093][ T74] netlink_unicast+0x449/0x710 [ 647.135093][ T74] netlink_sendmsg+0x723/0xbe0 [ 647.135093][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 647.135093][ T74] ___sys_sendmsg+0xee/0x170 [ 647.135093][ T74] __sys_sendmsg+0xcd/0x170 [ 647.135093][ T74] do_syscall_64+0xc6/0x1e0 [ 647.135093][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 647.135093][ T74] [ 647.778613][ T4416] veth0: renamed from veth1 [ 651.751304][ T4442] br0: port 1(vx0) entered blocking state [ 651.751502][ T4442] br0: port 1(vx0) entered disabled state [ 651.751673][ T4442] vx0: entered allmulticast mode [ 651.753829][ T4442] vx0: entered promiscuous mode [ 651.755899][ T4442] br0: port 1(vx0) entered blocking state [ 651.756069][ T4442] br0: port 1(vx0) entered forwarding state [ 657.211640][ T4472] br0: port 1(vx0) entered blocking state [ 657.211878][ T4472] br0: port 1(vx0) entered disabled state [ 657.212077][ T4472] vx0: entered allmulticast mode [ 657.213314][ T4472] vx0: entered promiscuous mode [ 657.215259][ T4472] br0: port 1(vx0) entered blocking state [ 657.215447][ T4472] br0: port 1(vx0) entered forwarding state [ 657.271927][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 657.272278][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 657.272278][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 657.272278][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 657.272278][ T74] fib6_nh_init+0xa22/0x1580 [ 657.272278][ T74] ip6_route_info_create+0xf18/0x17d0 [ 657.272278][ T74] ip6_route_add+0x1c/0x140 [ 657.272278][ T74] inet6_rtm_newroute+0x104/0x110 [ 657.272278][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 657.272278][ T74] netlink_rcv_skb+0x130/0x360 [ 657.272278][ T74] netlink_unicast+0x449/0x710 [ 657.272278][ T74] netlink_sendmsg+0x723/0xbe0 [ 657.272278][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 657.272278][ T74] ___sys_sendmsg+0xee/0x170 [ 657.272278][ T74] __sys_sendmsg+0xcd/0x170 [ 657.272278][ T74] do_syscall_64+0xc6/0x1e0 [ 657.272278][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 657.272278][ T74] [ 657.274306][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 657.274306][ T74] netdev_get_by_index+0x5e/0x80 [ 657.274306][ T74] fib6_nh_init+0x3d8/0x1580 [ 657.274306][ T74] ip6_route_info_create+0xf18/0x17d0 [ 657.274306][ T74] addrconf_f6i_alloc+0x265/0x560 [ 657.274306][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 657.274306][ T74] addrconf_join_anycast+0x1c0/0x220 [ 657.274306][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 657.274306][ T74] addrconf_dad_completed+0x12b/0xe20 [ 657.274306][ T74] addrconf_dad_begin+0x310/0x670 [ 657.274306][ T74] addrconf_dad_work+0x10b/0xab0 [ 657.274306][ T74] process_one_work+0x84d/0x18a0 [ 657.274306][ T74] worker_thread+0x587/0xd30 [ 657.274306][ T74] kthread+0x28a/0x350 [ 657.274306][ T74] ret_from_fork+0x31/0x70 [ 657.274306][ T74] ret_from_fork_asm+0x1a/0x30 [ 657.274306][ T74] [ 657.276331][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 657.276331][ T74] netdev_get_by_index+0x5e/0x80 [ 657.276331][ T74] fib6_nh_init+0x3d8/0x1580 [ 657.276331][ T74] ip6_route_info_create+0xf18/0x17d0 [ 657.276331][ T74] ip6_route_add+0x1c/0x140 [ 657.276331][ T74] addrconf_prefix_route+0x2a6/0x430 [ 657.276331][ T74] inet6_addr_add+0x4f8/0xa40 [ 657.276331][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 657.276331][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 657.276331][ T74] netlink_rcv_skb+0x130/0x360 [ 657.276331][ T74] netlink_unicast+0x449/0x710 [ 657.276331][ T74] netlink_sendmsg+0x723/0xbe0 [ 657.276331][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 657.276331][ T74] ___sys_sendmsg+0xee/0x170 [ 657.276331][ T74] __sys_sendmsg+0xcd/0x170 [ 657.276331][ T74] do_syscall_64+0xc6/0x1e0 [ 657.276331][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 657.276331][ T74] [ 657.278394][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 657.278394][ T74] netdev_get_by_index+0x5e/0x80 [ 657.278394][ T74] fib6_nh_init+0x3d8/0x1580 [ 657.278394][ T74] ip6_route_info_create+0xf18/0x17d0 [ 657.278394][ T74] addrconf_f6i_alloc+0x315/0x560 [ 657.278394][ T74] ipv6_add_addr+0x411/0x2000 [ 657.278394][ T74] inet6_addr_add+0x30e/0xa40 [ 657.278394][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 657.278394][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 657.278394][ T74] netlink_rcv_skb+0x130/0x360 [ 657.278394][ T74] netlink_unicast+0x449/0x710 [ 657.278394][ T74] netlink_sendmsg+0x723/0xbe0 [ 657.278394][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 657.278394][ T74] ___sys_sendmsg+0xee/0x170 [ 657.278394][ T74] __sys_sendmsg+0xcd/0x170 [ 657.278394][ T74] do_syscall_64+0xc6/0x1e0 [ 657.278394][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 657.278394][ T74] [ 657.280479][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 657.280479][ T74] netdev_get_by_index+0x5e/0x80 [ 657.280479][ T74] fib6_nh_init+0x3d8/0x1580 [ 657.280479][ T74] ip6_route_info_create+0xf18/0x17d0 [ 657.280479][ T74] ip6_route_add+0x1c/0x140 [ 657.280479][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 657.280479][ T74] addrconf_add_dev+0xe2/0x170 [ 657.280479][ T74] inet6_addr_add+0x12f/0xa40 [ 657.280479][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 657.280479][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 657.280479][ T74] netlink_rcv_skb+0x130/0x360 [ 657.280479][ T74] netlink_unicast+0x449/0x710 [ 657.280479][ T74] netlink_sendmsg+0x723/0xbe0 [ 657.280479][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 657.280479][ T74] ___sys_sendmsg+0xee/0x170 [ 657.280479][ T74] __sys_sendmsg+0xcd/0x170 [ 657.280479][ T74] do_syscall_64+0xc6/0x1e0 [ 657.280479][ T74] [ 657.282506][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 657.282506][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 657.282506][ T74] ipv6_find_idev+0x102/0x170 [ 657.282506][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 657.282506][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 657.282506][ T74] netlink_rcv_skb+0x130/0x360 [ 657.282506][ T74] netlink_unicast+0x449/0x710 [ 657.282506][ T74] netlink_sendmsg+0x723/0xbe0 [ 657.282506][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 657.282506][ T74] ___sys_sendmsg+0xee/0x170 [ 657.282506][ T74] __sys_sendmsg+0xcd/0x170 [ 657.282506][ T74] do_syscall_64+0xc6/0x1e0 [ 657.282506][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 657.282506][ T74] [ 657.284118][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 657.284118][ T74] neigh_parms_alloc+0x1e5/0x510 [ 657.284118][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 657.284118][ T74] ipv6_find_idev+0x102/0x170 [ 657.284118][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 657.284118][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 657.284118][ T74] netlink_rcv_skb+0x130/0x360 [ 657.284118][ T74] netlink_unicast+0x449/0x710 [ 657.284118][ T74] netlink_sendmsg+0x723/0xbe0 [ 657.284118][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 657.284118][ T74] ___sys_sendmsg+0xee/0x170 [ 657.284118][ T74] __sys_sendmsg+0xcd/0x170 [ 657.284118][ T74] do_syscall_64+0xc6/0x1e0 [ 657.284118][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 657.284118][ T74] [ 657.285954][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 657.286258][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 657.286258][ T74] dst_init+0x84/0x4a0 [ 657.286258][ T74] dst_alloc+0x97/0x150 [ 657.286258][ T74] ip6_dst_alloc+0x23/0x90 [ 657.286258][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 657.286258][ T74] ip6_pol_route+0x56f/0x840 [ 657.286258][ T74] fib6_rule_lookup+0x456/0x630 [ 657.286258][ T74] ip6_route_input+0x59c/0xa50 [ 657.286258][ T74] ipv6_rcv+0x397/0x810 [ 657.286258][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 657.286258][ T74] process_backlog+0x101/0x620 [ 657.286258][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 657.286258][ T74] net_rx_action+0x495/0xbe0 [ 657.286258][ T74] __do_softirq+0x1b5/0x7f6 [ 657.286258][ T74] [ 657.287958][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 657.287958][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 657.287958][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 657.287958][ T74] fib6_nh_init+0xa22/0x1580 [ 657.287958][ T74] ip6_route_info_create+0xf18/0x17d0 [ 657.287958][ T74] ip6_route_add+0x1c/0x140 [ 657.287958][ T74] inet6_rtm_newroute+0x104/0x110 [ 657.287958][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 657.287958][ T74] netlink_rcv_skb+0x130/0x360 [ 657.287958][ T74] netlink_unicast+0x449/0x710 [ 657.287958][ T74] netlink_sendmsg+0x723/0xbe0 [ 657.287958][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 657.287958][ T74] ___sys_sendmsg+0xee/0x170 [ 657.287958][ T74] __sys_sendmsg+0xcd/0x170 [ 657.287958][ T74] do_syscall_64+0xc6/0x1e0 [ 657.287958][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 657.287958][ T74] [ 657.289902][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 657.289902][ T74] netdev_get_by_index+0x5e/0x80 [ 657.289902][ T74] fib6_nh_init+0x3d8/0x1580 [ 657.289902][ T74] ip6_route_info_create+0xf18/0x17d0 [ 657.289902][ T74] addrconf_f6i_alloc+0x265/0x560 [ 657.289902][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 657.289902][ T74] addrconf_join_anycast+0x1c0/0x220 [ 657.289902][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 657.289902][ T74] addrconf_dad_completed+0x12b/0xe20 [ 657.289902][ T74] addrconf_dad_begin+0x310/0x670 [ 657.289902][ T74] addrconf_dad_work+0x10b/0xab0 [ 657.289902][ T74] process_one_work+0x84d/0x18a0 [ 657.289902][ T74] worker_thread+0x587/0xd30 [ 657.289902][ T74] kthread+0x28a/0x350 [ 657.289902][ T74] ret_from_fork+0x31/0x70 [ 657.289902][ T74] ret_from_fork_asm+0x1a/0x30 [ 657.289902][ T74] [ 657.291846][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 657.291846][ T74] netdev_get_by_index+0x5e/0x80 [ 657.291846][ T74] fib6_nh_init+0x3d8/0x1580 [ 657.291846][ T74] ip6_route_info_create+0xf18/0x17d0 [ 657.291846][ T74] ip6_route_add+0x1c/0x140 [ 657.291846][ T74] addrconf_prefix_route+0x2a6/0x430 [ 657.291846][ T74] inet6_addr_add+0x4f8/0xa40 [ 657.291846][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 657.291846][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 657.291846][ T74] netlink_rcv_skb+0x130/0x360 [ 657.291846][ T74] netlink_unicast+0x449/0x710 [ 657.291846][ T74] netlink_sendmsg+0x723/0xbe0 [ 657.291846][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 657.291846][ T74] ___sys_sendmsg+0xee/0x170 [ 657.291846][ T74] __sys_sendmsg+0xcd/0x170 [ 657.291846][ T74] do_syscall_64+0xc6/0x1e0 [ 657.291846][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 657.291846][ T74] [ 657.293912][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 657.293912][ T74] netdev_get_by_index+0x5e/0x80 [ 657.293912][ T74] fib6_nh_init+0x3d8/0x1580 [ 657.293912][ T74] ip6_route_info_create+0xf18/0x17d0 [ 657.293912][ T74] addrconf_f6i_alloc+0x315/0x560 [ 657.293912][ T74] ipv6_add_addr+0x411/0x2000 [ 657.293912][ T74] inet6_addr_add+0x30e/0xa40 [ 657.293912][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 657.293912][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 657.293912][ T74] netlink_rcv_skb+0x130/0x360 [ 657.293912][ T74] netlink_unicast+0x449/0x710 [ 657.293912][ T74] netlink_sendmsg+0x723/0xbe0 [ 657.293912][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 657.293912][ T74] ___sys_sendmsg+0xee/0x170 [ 657.293912][ T74] __sys_sendmsg+0xcd/0x170 [ 657.293912][ T74] do_syscall_64+0xc6/0x1e0 [ 657.293912][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 657.293912][ T74] [ 657.295995][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 657.295995][ T74] netdev_get_by_index+0x5e/0x80 [ 657.295995][ T74] fib6_nh_init+0x3d8/0x1580 [ 657.295995][ T74] ip6_route_info_create+0xf18/0x17d0 [ 657.295995][ T74] ip6_route_add+0x1c/0x140 [ 657.295995][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 657.295995][ T74] addrconf_add_dev+0xe2/0x170 [ 657.295995][ T74] inet6_addr_add+0x12f/0xa40 [ 657.295995][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 657.295995][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 657.295995][ T74] netlink_rcv_skb+0x130/0x360 [ 657.295995][ T74] netlink_unicast+0x449/0x710 [ 657.295995][ T74] netlink_sendmsg+0x723/0xbe0 [ 657.295995][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 657.295995][ T74] ___sys_sendmsg+0xee/0x170 [ 657.295995][ T74] __sys_sendmsg+0xcd/0x170 [ 657.295995][ T74] do_syscall_64+0xc6/0x1e0 [ 657.295995][ T74] [ 657.298009][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 657.298009][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 657.298009][ T74] ipv6_find_idev+0x102/0x170 [ 657.298009][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 657.298009][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 657.298009][ T74] netlink_rcv_skb+0x130/0x360 [ 657.298009][ T74] netlink_unicast+0x449/0x710 [ 657.298009][ T74] netlink_sendmsg+0x723/0xbe0 [ 657.298009][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 657.298009][ T74] ___sys_sendmsg+0xee/0x170 [ 657.298009][ T74] __sys_sendmsg+0xcd/0x170 [ 657.298009][ T74] do_syscall_64+0xc6/0x1e0 [ 657.298009][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 657.298009][ T74] [ 657.299784][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 657.299784][ T74] neigh_parms_alloc+0x1e5/0x510 [ 657.299784][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 657.299784][ T74] ipv6_find_idev+0x102/0x170 [ 657.299784][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 657.299784][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 657.299784][ T74] netlink_rcv_skb+0x130/0x360 [ 657.299784][ T74] netlink_unicast+0x449/0x710 [ 657.299784][ T74] netlink_sendmsg+0x723/0xbe0 [ 657.299784][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 657.299784][ T74] ___sys_sendmsg+0xee/0x170 [ 657.299784][ T74] __sys_sendmsg+0xcd/0x170 [ 657.299784][ T74] do_syscall_64+0xc6/0x1e0 [ 657.299784][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 657.299784][ T74] [ 657.301937][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 657.302204][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 657.302204][ T74] netdev_get_by_index+0x5e/0x80 [ 657.302204][ T74] fib6_nh_init+0x3d8/0x1580 [ 657.302204][ T74] ip6_route_info_create+0xf18/0x17d0 [ 657.302204][ T74] ip6_route_add+0x1c/0x140 [ 657.302204][ T74] addrconf_prefix_route+0x2a6/0x430 [ 657.302204][ T74] inet6_addr_add+0x4f8/0xa40 [ 657.302204][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 657.302204][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 657.302204][ T74] netlink_rcv_skb+0x130/0x360 [ 657.302204][ T74] netlink_unicast+0x449/0x710 [ 657.302204][ T74] netlink_sendmsg+0x723/0xbe0 [ 657.302204][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 657.302204][ T74] ___sys_sendmsg+0xee/0x170 [ 657.302204][ T74] __sys_sendmsg+0xcd/0x170 [ 657.302204][ T74] do_syscall_64+0xc6/0x1e0 [ 657.302204][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 657.302204][ T74] [ 657.304355][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 657.304355][ T74] netdev_get_by_index+0x5e/0x80 [ 657.304355][ T74] fib6_nh_init+0x3d8/0x1580 [ 657.304355][ T74] ip6_route_info_create+0xf18/0x17d0 [ 657.304355][ T74] addrconf_f6i_alloc+0x315/0x560 [ 657.304355][ T74] ipv6_add_addr+0x411/0x2000 [ 657.304355][ T74] inet6_addr_add+0x30e/0xa40 [ 657.304355][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 657.304355][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 657.304355][ T74] netlink_rcv_skb+0x130/0x360 [ 657.304355][ T74] netlink_unicast+0x449/0x710 [ 657.304355][ T74] netlink_sendmsg+0x723/0xbe0 [ 657.304355][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 657.304355][ T74] ___sys_sendmsg+0xee/0x170 [ 657.304355][ T74] __sys_sendmsg+0xcd/0x170 [ 657.304355][ T74] do_syscall_64+0xc6/0x1e0 [ 657.304355][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 657.304355][ T74] [ 657.306611][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 657.306611][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 657.306611][ T74] ipv6_find_idev+0x102/0x170 [ 657.306611][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 657.306611][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 657.306611][ T74] netlink_rcv_skb+0x130/0x360 [ 657.306611][ T74] netlink_unicast+0x449/0x710 [ 657.306611][ T74] netlink_sendmsg+0x723/0xbe0 [ 657.306611][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 657.306611][ T74] ___sys_sendmsg+0xee/0x170 [ 657.306611][ T74] __sys_sendmsg+0xcd/0x170 [ 657.306611][ T74] do_syscall_64+0xc6/0x1e0 [ 657.306611][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 657.306611][ T74] [ 657.308390][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 657.308390][ T74] neigh_parms_alloc+0x1e5/0x510 [ 657.308390][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 657.308390][ T74] ipv6_find_idev+0x102/0x170 [ 657.308390][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 657.308390][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 657.308390][ T74] netlink_rcv_skb+0x130/0x360 [ 657.308390][ T74] netlink_unicast+0x449/0x710 [ 657.308390][ T74] netlink_sendmsg+0x723/0xbe0 [ 657.308390][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 657.308390][ T74] ___sys_sendmsg+0xee/0x170 [ 657.308390][ T74] __sys_sendmsg+0xcd/0x170 [ 657.308390][ T74] do_syscall_64+0xc6/0x1e0 [ 657.308390][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 657.308390][ T74] [ 661.486469][ T4505] veth0: renamed from veth1 [ 665.440128][ T4532] br0: port 1(vx0) entered blocking state [ 665.440411][ T4532] br0: port 1(vx0) entered disabled state [ 665.440614][ T4532] vx0: entered allmulticast mode [ 665.441865][ T4532] vx0: entered promiscuous mode [ 665.443746][ T4532] br0: port 1(vx0) entered blocking state [ 665.443960][ T4532] br0: port 1(vx0) entered forwarding state [ 667.455931][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 667.456264][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 667.456264][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 667.456264][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 667.456264][ T74] fib6_nh_init+0xa22/0x1580 [ 667.456264][ T74] ip6_route_info_create+0xf18/0x17d0 [ 667.456264][ T74] ip6_route_add+0x1c/0x140 [ 667.456264][ T74] inet6_rtm_newroute+0x104/0x110 [ 667.456264][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 667.456264][ T74] netlink_rcv_skb+0x130/0x360 [ 667.456264][ T74] netlink_unicast+0x449/0x710 [ 667.456264][ T74] netlink_sendmsg+0x723/0xbe0 [ 667.456264][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 667.456264][ T74] ___sys_sendmsg+0xee/0x170 [ 667.456264][ T74] __sys_sendmsg+0xcd/0x170 [ 667.456264][ T74] do_syscall_64+0xc6/0x1e0 [ 667.456264][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 667.456264][ T74] [ 667.458281][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 667.458281][ T74] netdev_get_by_index+0x5e/0x80 [ 667.458281][ T74] fib6_nh_init+0x3d8/0x1580 [ 667.458281][ T74] ip6_route_info_create+0xf18/0x17d0 [ 667.458281][ T74] addrconf_f6i_alloc+0x265/0x560 [ 667.458281][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 667.458281][ T74] addrconf_join_anycast+0x1c0/0x220 [ 667.458281][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 667.458281][ T74] addrconf_dad_completed+0x12b/0xe20 [ 667.458281][ T74] addrconf_dad_begin+0x310/0x670 [ 667.458281][ T74] addrconf_dad_work+0x10b/0xab0 [ 667.458281][ T74] process_one_work+0x84d/0x18a0 [ 667.458281][ T74] worker_thread+0x587/0xd30 [ 667.458281][ T74] kthread+0x28a/0x350 [ 667.458281][ T74] ret_from_fork+0x31/0x70 [ 667.458281][ T74] ret_from_fork_asm+0x1a/0x30 [ 667.458281][ T74] [ 667.460294][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 667.460294][ T74] netdev_get_by_index+0x5e/0x80 [ 667.460294][ T74] fib6_nh_init+0x3d8/0x1580 [ 667.460294][ T74] ip6_route_info_create+0xf18/0x17d0 [ 667.460294][ T74] ip6_route_add+0x1c/0x140 [ 667.460294][ T74] addrconf_prefix_route+0x2a6/0x430 [ 667.460294][ T74] inet6_addr_add+0x4f8/0xa40 [ 667.460294][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 667.460294][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 667.460294][ T74] netlink_rcv_skb+0x130/0x360 [ 667.460294][ T74] netlink_unicast+0x449/0x710 [ 667.460294][ T74] netlink_sendmsg+0x723/0xbe0 [ 667.460294][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 667.460294][ T74] ___sys_sendmsg+0xee/0x170 [ 667.460294][ T74] __sys_sendmsg+0xcd/0x170 [ 667.460294][ T74] do_syscall_64+0xc6/0x1e0 [ 667.460294][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 667.460294][ T74] [ 667.462386][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 667.462386][ T74] netdev_get_by_index+0x5e/0x80 [ 667.462386][ T74] fib6_nh_init+0x3d8/0x1580 [ 667.462386][ T74] ip6_route_info_create+0xf18/0x17d0 [ 667.462386][ T74] addrconf_f6i_alloc+0x315/0x560 [ 667.462386][ T74] ipv6_add_addr+0x411/0x2000 [ 667.462386][ T74] inet6_addr_add+0x30e/0xa40 [ 667.462386][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 667.462386][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 667.462386][ T74] netlink_rcv_skb+0x130/0x360 [ 667.462386][ T74] netlink_unicast+0x449/0x710 [ 667.462386][ T74] netlink_sendmsg+0x723/0xbe0 [ 667.462386][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 667.462386][ T74] ___sys_sendmsg+0xee/0x170 [ 667.462386][ T74] __sys_sendmsg+0xcd/0x170 [ 667.462386][ T74] do_syscall_64+0xc6/0x1e0 [ 667.462386][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 667.462386][ T74] [ 667.464503][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 667.464503][ T74] netdev_get_by_index+0x5e/0x80 [ 667.464503][ T74] fib6_nh_init+0x3d8/0x1580 [ 667.464503][ T74] ip6_route_info_create+0xf18/0x17d0 [ 667.464503][ T74] ip6_route_add+0x1c/0x140 [ 667.464503][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 667.464503][ T74] addrconf_add_dev+0xe2/0x170 [ 667.464503][ T74] inet6_addr_add+0x12f/0xa40 [ 667.464503][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 667.464503][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 667.464503][ T74] netlink_rcv_skb+0x130/0x360 [ 667.464503][ T74] netlink_unicast+0x449/0x710 [ 667.464503][ T74] netlink_sendmsg+0x723/0xbe0 [ 667.464503][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 667.464503][ T74] ___sys_sendmsg+0xee/0x170 [ 667.464503][ T74] __sys_sendmsg+0xcd/0x170 [ 667.464503][ T74] do_syscall_64+0xc6/0x1e0 [ 667.464503][ T74] [ 667.466574][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 667.466574][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 667.466574][ T74] ipv6_find_idev+0x102/0x170 [ 667.466574][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 667.466574][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 667.466574][ T74] netlink_rcv_skb+0x130/0x360 [ 667.466574][ T74] netlink_unicast+0x449/0x710 [ 667.466574][ T74] netlink_sendmsg+0x723/0xbe0 [ 667.466574][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 667.466574][ T74] ___sys_sendmsg+0xee/0x170 [ 667.466574][ T74] __sys_sendmsg+0xcd/0x170 [ 667.466574][ T74] do_syscall_64+0xc6/0x1e0 [ 667.466574][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 667.466574][ T74] [ 667.468205][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 667.468205][ T74] neigh_parms_alloc+0x1e5/0x510 [ 667.468205][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 667.468205][ T74] ipv6_find_idev+0x102/0x170 [ 667.468205][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 667.468205][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 667.468205][ T74] netlink_rcv_skb+0x130/0x360 [ 667.468205][ T74] netlink_unicast+0x449/0x710 [ 667.468205][ T74] netlink_sendmsg+0x723/0xbe0 [ 667.468205][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 667.468205][ T74] ___sys_sendmsg+0xee/0x170 [ 667.468205][ T74] __sys_sendmsg+0xcd/0x170 [ 667.468205][ T74] do_syscall_64+0xc6/0x1e0 [ 667.468205][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 667.468205][ T74] [ 667.470127][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 667.470518][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 667.470518][ T74] dst_init+0x84/0x4a0 [ 667.470518][ T74] dst_alloc+0x97/0x150 [ 667.470518][ T74] ip6_dst_alloc+0x23/0x90 [ 667.470518][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 667.470518][ T74] ip6_pol_route+0x56f/0x840 [ 667.470518][ T74] fib6_rule_lookup+0x456/0x630 [ 667.470518][ T74] ip6_route_input+0x59c/0xa50 [ 667.470518][ T74] ipv6_rcv+0x397/0x810 [ 667.470518][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 667.470518][ T74] process_backlog+0x101/0x620 [ 667.470518][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 667.470518][ T74] net_rx_action+0x495/0xbe0 [ 667.470518][ T74] __do_softirq+0x1b5/0x7f6 [ 667.470518][ T74] [ 667.472307][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 667.472307][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 667.472307][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 667.472307][ T74] fib6_nh_init+0xa22/0x1580 [ 667.472307][ T74] ip6_route_info_create+0xf18/0x17d0 [ 667.472307][ T74] ip6_route_add+0x1c/0x140 [ 667.472307][ T74] inet6_rtm_newroute+0x104/0x110 [ 667.472307][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 667.472307][ T74] netlink_rcv_skb+0x130/0x360 [ 667.472307][ T74] netlink_unicast+0x449/0x710 [ 667.472307][ T74] netlink_sendmsg+0x723/0xbe0 [ 667.472307][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 667.472307][ T74] ___sys_sendmsg+0xee/0x170 [ 667.472307][ T74] __sys_sendmsg+0xcd/0x170 [ 667.472307][ T74] do_syscall_64+0xc6/0x1e0 [ 667.472307][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 667.472307][ T74] [ 667.474500][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 667.474500][ T74] netdev_get_by_index+0x5e/0x80 [ 667.474500][ T74] fib6_nh_init+0x3d8/0x1580 [ 667.474500][ T74] ip6_route_info_create+0xf18/0x17d0 [ 667.474500][ T74] addrconf_f6i_alloc+0x265/0x560 [ 667.474500][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 667.474500][ T74] addrconf_join_anycast+0x1c0/0x220 [ 667.474500][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 667.474500][ T74] addrconf_dad_completed+0x12b/0xe20 [ 667.474500][ T74] addrconf_dad_begin+0x310/0x670 [ 667.474500][ T74] addrconf_dad_work+0x10b/0xab0 [ 667.474500][ T74] process_one_work+0x84d/0x18a0 [ 667.474500][ T74] worker_thread+0x587/0xd30 [ 667.474500][ T74] kthread+0x28a/0x350 [ 667.474500][ T74] ret_from_fork+0x31/0x70 [ 667.474500][ T74] ret_from_fork_asm+0x1a/0x30 [ 667.474500][ T74] [ 667.476734][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 667.476734][ T74] netdev_get_by_index+0x5e/0x80 [ 667.476734][ T74] fib6_nh_init+0x3d8/0x1580 [ 667.476734][ T74] ip6_route_info_create+0xf18/0x17d0 [ 667.476734][ T74] ip6_route_add+0x1c/0x140 [ 667.476734][ T74] addrconf_prefix_route+0x2a6/0x430 [ 667.476734][ T74] inet6_addr_add+0x4f8/0xa40 [ 667.476734][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 667.476734][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 667.476734][ T74] netlink_rcv_skb+0x130/0x360 [ 667.476734][ T74] netlink_unicast+0x449/0x710 [ 667.476734][ T74] netlink_sendmsg+0x723/0xbe0 [ 667.476734][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 667.476734][ T74] ___sys_sendmsg+0xee/0x170 [ 667.476734][ T74] __sys_sendmsg+0xcd/0x170 [ 667.476734][ T74] do_syscall_64+0xc6/0x1e0 [ 667.476734][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 667.476734][ T74] [ 667.478957][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 667.478957][ T74] netdev_get_by_index+0x5e/0x80 [ 667.478957][ T74] fib6_nh_init+0x3d8/0x1580 [ 667.478957][ T74] ip6_route_info_create+0xf18/0x17d0 [ 667.478957][ T74] addrconf_f6i_alloc+0x315/0x560 [ 667.478957][ T74] ipv6_add_addr+0x411/0x2000 [ 667.478957][ T74] inet6_addr_add+0x30e/0xa40 [ 667.478957][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 667.478957][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 667.478957][ T74] netlink_rcv_skb+0x130/0x360 [ 667.478957][ T74] netlink_unicast+0x449/0x710 [ 667.478957][ T74] netlink_sendmsg+0x723/0xbe0 [ 667.478957][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 667.478957][ T74] ___sys_sendmsg+0xee/0x170 [ 667.478957][ T74] __sys_sendmsg+0xcd/0x170 [ 667.478957][ T74] do_syscall_64+0xc6/0x1e0 [ 667.478957][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 667.478957][ T74] [ 667.481350][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 667.481350][ T74] netdev_get_by_index+0x5e/0x80 [ 667.481350][ T74] fib6_nh_init+0x3d8/0x1580 [ 667.481350][ T74] ip6_route_info_create+0xf18/0x17d0 [ 667.481350][ T74] ip6_route_add+0x1c/0x140 [ 667.481350][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 667.481350][ T74] addrconf_add_dev+0xe2/0x170 [ 667.481350][ T74] inet6_addr_add+0x12f/0xa40 [ 667.481350][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 667.481350][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 667.481350][ T74] netlink_rcv_skb+0x130/0x360 [ 667.481350][ T74] netlink_unicast+0x449/0x710 [ 667.481350][ T74] netlink_sendmsg+0x723/0xbe0 [ 667.481350][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 667.481350][ T74] ___sys_sendmsg+0xee/0x170 [ 667.481350][ T74] __sys_sendmsg+0xcd/0x170 [ 667.481350][ T74] do_syscall_64+0xc6/0x1e0 [ 667.481350][ T74] [ 667.483728][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 667.483728][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 667.483728][ T74] ipv6_find_idev+0x102/0x170 [ 667.483728][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 667.483728][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 667.483728][ T74] netlink_rcv_skb+0x130/0x360 [ 667.483728][ T74] netlink_unicast+0x449/0x710 [ 667.483728][ T74] netlink_sendmsg+0x723/0xbe0 [ 667.483728][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 667.483728][ T74] ___sys_sendmsg+0xee/0x170 [ 667.483728][ T74] __sys_sendmsg+0xcd/0x170 [ 667.483728][ T74] do_syscall_64+0xc6/0x1e0 [ 667.483728][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 667.483728][ T74] [ 667.485558][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 667.485558][ T74] neigh_parms_alloc+0x1e5/0x510 [ 667.485558][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 667.485558][ T74] ipv6_find_idev+0x102/0x170 [ 667.485558][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 667.485558][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 667.485558][ T74] netlink_rcv_skb+0x130/0x360 [ 667.485558][ T74] netlink_unicast+0x449/0x710 [ 667.485558][ T74] netlink_sendmsg+0x723/0xbe0 [ 667.485558][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 667.485558][ T74] ___sys_sendmsg+0xee/0x170 [ 667.485558][ T74] __sys_sendmsg+0xcd/0x170 [ 667.485558][ T74] do_syscall_64+0xc6/0x1e0 [ 667.485558][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 667.485558][ T74] [ 667.487596][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 667.487857][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 667.487857][ T74] netdev_get_by_index+0x5e/0x80 [ 667.487857][ T74] fib6_nh_init+0x3d8/0x1580 [ 667.487857][ T74] ip6_route_info_create+0xf18/0x17d0 [ 667.487857][ T74] ip6_route_add+0x1c/0x140 [ 667.487857][ T74] addrconf_prefix_route+0x2a6/0x430 [ 667.487857][ T74] inet6_addr_add+0x4f8/0xa40 [ 667.487857][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 667.487857][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 667.487857][ T74] netlink_rcv_skb+0x130/0x360 [ 667.487857][ T74] netlink_unicast+0x449/0x710 [ 667.487857][ T74] netlink_sendmsg+0x723/0xbe0 [ 667.487857][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 667.487857][ T74] ___sys_sendmsg+0xee/0x170 [ 667.487857][ T74] __sys_sendmsg+0xcd/0x170 [ 667.487857][ T74] do_syscall_64+0xc6/0x1e0 [ 667.487857][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 667.487857][ T74] [ 667.490189][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 667.490189][ T74] netdev_get_by_index+0x5e/0x80 [ 667.490189][ T74] fib6_nh_init+0x3d8/0x1580 [ 667.490189][ T74] ip6_route_info_create+0xf18/0x17d0 [ 667.490189][ T74] addrconf_f6i_alloc+0x315/0x560 [ 667.490189][ T74] ipv6_add_addr+0x411/0x2000 [ 667.490189][ T74] inet6_addr_add+0x30e/0xa40 [ 667.490189][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 667.490189][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 667.490189][ T74] netlink_rcv_skb+0x130/0x360 [ 667.490189][ T74] netlink_unicast+0x449/0x710 [ 667.490189][ T74] netlink_sendmsg+0x723/0xbe0 [ 667.490189][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 667.490189][ T74] ___sys_sendmsg+0xee/0x170 [ 667.490189][ T74] __sys_sendmsg+0xcd/0x170 [ 667.490189][ T74] do_syscall_64+0xc6/0x1e0 [ 667.490189][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 667.490189][ T74] [ 667.492672][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 667.492672][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 667.492672][ T74] ipv6_find_idev+0x102/0x170 [ 667.492672][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 667.492672][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 667.492672][ T74] netlink_rcv_skb+0x130/0x360 [ 667.492672][ T74] netlink_unicast+0x449/0x710 [ 667.492672][ T74] netlink_sendmsg+0x723/0xbe0 [ 667.492672][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 667.492672][ T74] ___sys_sendmsg+0xee/0x170 [ 667.492672][ T74] __sys_sendmsg+0xcd/0x170 [ 667.492672][ T74] do_syscall_64+0xc6/0x1e0 [ 667.492672][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 667.492672][ T74] [ 667.494395][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 667.494395][ T74] neigh_parms_alloc+0x1e5/0x510 [ 667.494395][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 667.494395][ T74] ipv6_find_idev+0x102/0x170 [ 667.494395][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 667.494395][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 667.494395][ T74] netlink_rcv_skb+0x130/0x360 [ 667.494395][ T74] netlink_unicast+0x449/0x710 [ 667.494395][ T74] netlink_sendmsg+0x723/0xbe0 [ 667.494395][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 667.494395][ T74] ___sys_sendmsg+0xee/0x170 [ 667.494395][ T74] __sys_sendmsg+0xcd/0x170 [ 667.494395][ T74] do_syscall_64+0xc6/0x1e0 [ 667.494395][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 667.494395][ T74] [ 670.904969][ T4562] br0: port 1(vx0) entered blocking state [ 670.905169][ T4562] br0: port 1(vx0) entered disabled state [ 670.905343][ T4562] vx0: entered allmulticast mode [ 670.906541][ T4562] vx0: entered promiscuous mode [ 670.908836][ T4562] br0: port 1(vx0) entered blocking state [ 670.909036][ T4562] br0: port 1(vx0) entered forwarding state [ 677.535960][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 677.536377][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 677.536377][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 677.536377][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 677.536377][ T74] fib6_nh_init+0xa22/0x1580 [ 677.536377][ T74] ip6_route_info_create+0xf18/0x17d0 [ 677.536377][ T74] ip6_route_add+0x1c/0x140 [ 677.536377][ T74] inet6_rtm_newroute+0x104/0x110 [ 677.536377][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 677.536377][ T74] netlink_rcv_skb+0x130/0x360 [ 677.536377][ T74] netlink_unicast+0x449/0x710 [ 677.536377][ T74] netlink_sendmsg+0x723/0xbe0 [ 677.536377][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 677.536377][ T74] ___sys_sendmsg+0xee/0x170 [ 677.536377][ T74] __sys_sendmsg+0xcd/0x170 [ 677.536377][ T74] do_syscall_64+0xc6/0x1e0 [ 677.536377][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 677.536377][ T74] [ 677.538370][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 677.538370][ T74] netdev_get_by_index+0x5e/0x80 [ 677.538370][ T74] fib6_nh_init+0x3d8/0x1580 [ 677.538370][ T74] ip6_route_info_create+0xf18/0x17d0 [ 677.538370][ T74] addrconf_f6i_alloc+0x265/0x560 [ 677.538370][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 677.538370][ T74] addrconf_join_anycast+0x1c0/0x220 [ 677.538370][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 677.538370][ T74] addrconf_dad_completed+0x12b/0xe20 [ 677.538370][ T74] addrconf_dad_begin+0x310/0x670 [ 677.538370][ T74] addrconf_dad_work+0x10b/0xab0 [ 677.538370][ T74] process_one_work+0x84d/0x18a0 [ 677.538370][ T74] worker_thread+0x587/0xd30 [ 677.538370][ T74] kthread+0x28a/0x350 [ 677.538370][ T74] ret_from_fork+0x31/0x70 [ 677.538370][ T74] ret_from_fork_asm+0x1a/0x30 [ 677.538370][ T74] [ 677.540419][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 677.540419][ T74] netdev_get_by_index+0x5e/0x80 [ 677.540419][ T74] fib6_nh_init+0x3d8/0x1580 [ 677.540419][ T74] ip6_route_info_create+0xf18/0x17d0 [ 677.540419][ T74] ip6_route_add+0x1c/0x140 [ 677.540419][ T74] addrconf_prefix_route+0x2a6/0x430 [ 677.540419][ T74] inet6_addr_add+0x4f8/0xa40 [ 677.540419][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 677.540419][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 677.540419][ T74] netlink_rcv_skb+0x130/0x360 [ 677.540419][ T74] netlink_unicast+0x449/0x710 [ 677.540419][ T74] netlink_sendmsg+0x723/0xbe0 [ 677.540419][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 677.540419][ T74] ___sys_sendmsg+0xee/0x170 [ 677.540419][ T74] __sys_sendmsg+0xcd/0x170 [ 677.540419][ T74] do_syscall_64+0xc6/0x1e0 [ 677.540419][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 677.540419][ T74] [ 677.542475][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 677.542475][ T74] netdev_get_by_index+0x5e/0x80 [ 677.542475][ T74] fib6_nh_init+0x3d8/0x1580 [ 677.542475][ T74] ip6_route_info_create+0xf18/0x17d0 [ 677.542475][ T74] addrconf_f6i_alloc+0x315/0x560 [ 677.542475][ T74] ipv6_add_addr+0x411/0x2000 [ 677.542475][ T74] inet6_addr_add+0x30e/0xa40 [ 677.542475][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 677.542475][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 677.542475][ T74] netlink_rcv_skb+0x130/0x360 [ 677.542475][ T74] netlink_unicast+0x449/0x710 [ 677.542475][ T74] netlink_sendmsg+0x723/0xbe0 [ 677.542475][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 677.542475][ T74] ___sys_sendmsg+0xee/0x170 [ 677.542475][ T74] __sys_sendmsg+0xcd/0x170 [ 677.542475][ T74] do_syscall_64+0xc6/0x1e0 [ 677.542475][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 677.542475][ T74] [ 677.544520][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 677.544520][ T74] netdev_get_by_index+0x5e/0x80 [ 677.544520][ T74] fib6_nh_init+0x3d8/0x1580 [ 677.544520][ T74] ip6_route_info_create+0xf18/0x17d0 [ 677.544520][ T74] ip6_route_add+0x1c/0x140 [ 677.544520][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 677.544520][ T74] addrconf_add_dev+0xe2/0x170 [ 677.544520][ T74] inet6_addr_add+0x12f/0xa40 [ 677.544520][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 677.544520][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 677.544520][ T74] netlink_rcv_skb+0x130/0x360 [ 677.544520][ T74] netlink_unicast+0x449/0x710 [ 677.544520][ T74] netlink_sendmsg+0x723/0xbe0 [ 677.544520][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 677.544520][ T74] ___sys_sendmsg+0xee/0x170 [ 677.544520][ T74] __sys_sendmsg+0xcd/0x170 [ 677.544520][ T74] do_syscall_64+0xc6/0x1e0 [ 677.544520][ T74] [ 677.546561][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 677.546561][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 677.546561][ T74] ipv6_find_idev+0x102/0x170 [ 677.546561][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 677.546561][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 677.546561][ T74] netlink_rcv_skb+0x130/0x360 [ 677.546561][ T74] netlink_unicast+0x449/0x710 [ 677.546561][ T74] netlink_sendmsg+0x723/0xbe0 [ 677.546561][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 677.546561][ T74] ___sys_sendmsg+0xee/0x170 [ 677.546561][ T74] __sys_sendmsg+0xcd/0x170 [ 677.546561][ T74] do_syscall_64+0xc6/0x1e0 [ 677.546561][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 677.546561][ T74] [ 677.548149][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 677.548149][ T74] neigh_parms_alloc+0x1e5/0x510 [ 677.548149][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 677.548149][ T74] ipv6_find_idev+0x102/0x170 [ 677.548149][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 677.548149][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 677.548149][ T74] netlink_rcv_skb+0x130/0x360 [ 677.548149][ T74] netlink_unicast+0x449/0x710 [ 677.548149][ T74] netlink_sendmsg+0x723/0xbe0 [ 677.548149][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 677.548149][ T74] ___sys_sendmsg+0xee/0x170 [ 677.548149][ T74] __sys_sendmsg+0xcd/0x170 [ 677.548149][ T74] do_syscall_64+0xc6/0x1e0 [ 677.548149][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 677.548149][ T74] [ 677.549927][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 677.550219][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 677.550219][ T74] dst_init+0x84/0x4a0 [ 677.550219][ T74] dst_alloc+0x97/0x150 [ 677.550219][ T74] ip6_dst_alloc+0x23/0x90 [ 677.550219][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 677.550219][ T74] ip6_pol_route+0x56f/0x840 [ 677.550219][ T74] fib6_rule_lookup+0x456/0x630 [ 677.550219][ T74] ip6_route_input+0x59c/0xa50 [ 677.550219][ T74] ipv6_rcv+0x397/0x810 [ 677.550219][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 677.550219][ T74] process_backlog+0x101/0x620 [ 677.550219][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 677.550219][ T74] net_rx_action+0x495/0xbe0 [ 677.550219][ T74] __do_softirq+0x1b5/0x7f6 [ 677.550219][ T74] [ 677.551902][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 677.551902][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 677.551902][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 677.551902][ T74] fib6_nh_init+0xa22/0x1580 [ 677.551902][ T74] ip6_route_info_create+0xf18/0x17d0 [ 677.551902][ T74] ip6_route_add+0x1c/0x140 [ 677.551902][ T74] inet6_rtm_newroute+0x104/0x110 [ 677.551902][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 677.551902][ T74] netlink_rcv_skb+0x130/0x360 [ 677.551902][ T74] netlink_unicast+0x449/0x710 [ 677.551902][ T74] netlink_sendmsg+0x723/0xbe0 [ 677.551902][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 677.551902][ T74] ___sys_sendmsg+0xee/0x170 [ 677.551902][ T74] __sys_sendmsg+0xcd/0x170 [ 677.551902][ T74] do_syscall_64+0xc6/0x1e0 [ 677.551902][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 677.551902][ T74] [ 677.553819][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 677.553819][ T74] netdev_get_by_index+0x5e/0x80 [ 677.553819][ T74] fib6_nh_init+0x3d8/0x1580 [ 677.553819][ T74] ip6_route_info_create+0xf18/0x17d0 [ 677.553819][ T74] addrconf_f6i_alloc+0x265/0x560 [ 677.553819][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 677.553819][ T74] addrconf_join_anycast+0x1c0/0x220 [ 677.553819][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 677.553819][ T74] addrconf_dad_completed+0x12b/0xe20 [ 677.553819][ T74] addrconf_dad_begin+0x310/0x670 [ 677.553819][ T74] addrconf_dad_work+0x10b/0xab0 [ 677.553819][ T74] process_one_work+0x84d/0x18a0 [ 677.553819][ T74] worker_thread+0x587/0xd30 [ 677.553819][ T74] kthread+0x28a/0x350 [ 677.553819][ T74] ret_from_fork+0x31/0x70 [ 677.553819][ T74] ret_from_fork_asm+0x1a/0x30 [ 677.553819][ T74] [ 677.555787][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 677.555787][ T74] netdev_get_by_index+0x5e/0x80 [ 677.555787][ T74] fib6_nh_init+0x3d8/0x1580 [ 677.555787][ T74] ip6_route_info_create+0xf18/0x17d0 [ 677.555787][ T74] ip6_route_add+0x1c/0x140 [ 677.555787][ T74] addrconf_prefix_route+0x2a6/0x430 [ 677.555787][ T74] inet6_addr_add+0x4f8/0xa40 [ 677.555787][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 677.555787][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 677.555787][ T74] netlink_rcv_skb+0x130/0x360 [ 677.555787][ T74] netlink_unicast+0x449/0x710 [ 677.555787][ T74] netlink_sendmsg+0x723/0xbe0 [ 677.555787][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 677.555787][ T74] ___sys_sendmsg+0xee/0x170 [ 677.555787][ T74] __sys_sendmsg+0xcd/0x170 [ 677.555787][ T74] do_syscall_64+0xc6/0x1e0 [ 677.555787][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 677.555787][ T74] [ 677.557811][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 677.557811][ T74] netdev_get_by_index+0x5e/0x80 [ 677.557811][ T74] fib6_nh_init+0x3d8/0x1580 [ 677.557811][ T74] ip6_route_info_create+0xf18/0x17d0 [ 677.557811][ T74] addrconf_f6i_alloc+0x315/0x560 [ 677.557811][ T74] ipv6_add_addr+0x411/0x2000 [ 677.557811][ T74] inet6_addr_add+0x30e/0xa40 [ 677.557811][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 677.557811][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 677.557811][ T74] netlink_rcv_skb+0x130/0x360 [ 677.557811][ T74] netlink_unicast+0x449/0x710 [ 677.557811][ T74] netlink_sendmsg+0x723/0xbe0 [ 677.557811][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 677.557811][ T74] ___sys_sendmsg+0xee/0x170 [ 677.557811][ T74] __sys_sendmsg+0xcd/0x170 [ 677.557811][ T74] do_syscall_64+0xc6/0x1e0 [ 677.557811][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 677.557811][ T74] [ 677.559840][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 677.559840][ T74] netdev_get_by_index+0x5e/0x80 [ 677.559840][ T74] fib6_nh_init+0x3d8/0x1580 [ 677.559840][ T74] ip6_route_info_create+0xf18/0x17d0 [ 677.559840][ T74] ip6_route_add+0x1c/0x140 [ 677.559840][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 677.559840][ T74] addrconf_add_dev+0xe2/0x170 [ 677.559840][ T74] inet6_addr_add+0x12f/0xa40 [ 677.559840][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 677.559840][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 677.559840][ T74] netlink_rcv_skb+0x130/0x360 [ 677.559840][ T74] netlink_unicast+0x449/0x710 [ 677.559840][ T74] netlink_sendmsg+0x723/0xbe0 [ 677.559840][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 677.559840][ T74] ___sys_sendmsg+0xee/0x170 [ 677.559840][ T74] __sys_sendmsg+0xcd/0x170 [ 677.559840][ T74] do_syscall_64+0xc6/0x1e0 [ 677.559840][ T74] [ 677.561855][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 677.561855][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 677.561855][ T74] ipv6_find_idev+0x102/0x170 [ 677.561855][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 677.561855][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 677.561855][ T74] netlink_rcv_skb+0x130/0x360 [ 677.561855][ T74] netlink_unicast+0x449/0x710 [ 677.561855][ T74] netlink_sendmsg+0x723/0xbe0 [ 677.561855][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 677.561855][ T74] ___sys_sendmsg+0xee/0x170 [ 677.561855][ T74] __sys_sendmsg+0xcd/0x170 [ 677.561855][ T74] do_syscall_64+0xc6/0x1e0 [ 677.561855][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 677.561855][ T74] [ 677.563608][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 677.563608][ T74] neigh_parms_alloc+0x1e5/0x510 [ 677.563608][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 677.563608][ T74] ipv6_find_idev+0x102/0x170 [ 677.563608][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 677.563608][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 677.563608][ T74] netlink_rcv_skb+0x130/0x360 [ 677.563608][ T74] netlink_unicast+0x449/0x710 [ 677.563608][ T74] netlink_sendmsg+0x723/0xbe0 [ 677.563608][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 677.563608][ T74] ___sys_sendmsg+0xee/0x170 [ 677.563608][ T74] __sys_sendmsg+0xcd/0x170 [ 677.563608][ T74] do_syscall_64+0xc6/0x1e0 [ 677.563608][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 677.563608][ T74] [ 677.565586][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 677.565929][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 677.565929][ T74] netdev_get_by_index+0x5e/0x80 [ 677.565929][ T74] fib6_nh_init+0x3d8/0x1580 [ 677.565929][ T74] ip6_route_info_create+0xf18/0x17d0 [ 677.565929][ T74] ip6_route_add+0x1c/0x140 [ 677.565929][ T74] addrconf_prefix_route+0x2a6/0x430 [ 677.565929][ T74] inet6_addr_add+0x4f8/0xa40 [ 677.565929][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 677.565929][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 677.565929][ T74] netlink_rcv_skb+0x130/0x360 [ 677.565929][ T74] netlink_unicast+0x449/0x710 [ 677.565929][ T74] netlink_sendmsg+0x723/0xbe0 [ 677.565929][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 677.565929][ T74] ___sys_sendmsg+0xee/0x170 [ 677.565929][ T74] __sys_sendmsg+0xcd/0x170 [ 677.565929][ T74] do_syscall_64+0xc6/0x1e0 [ 677.565929][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 677.565929][ T74] [ 677.568144][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 677.568144][ T74] netdev_get_by_index+0x5e/0x80 [ 677.568144][ T74] fib6_nh_init+0x3d8/0x1580 [ 677.568144][ T74] ip6_route_info_create+0xf18/0x17d0 [ 677.568144][ T74] addrconf_f6i_alloc+0x315/0x560 [ 677.568144][ T74] ipv6_add_addr+0x411/0x2000 [ 677.568144][ T74] inet6_addr_add+0x30e/0xa40 [ 677.568144][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 677.568144][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 677.568144][ T74] netlink_rcv_skb+0x130/0x360 [ 677.568144][ T74] netlink_unicast+0x449/0x710 [ 677.568144][ T74] netlink_sendmsg+0x723/0xbe0 [ 677.568144][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 677.568144][ T74] ___sys_sendmsg+0xee/0x170 [ 677.568144][ T74] __sys_sendmsg+0xcd/0x170 [ 677.568144][ T74] do_syscall_64+0xc6/0x1e0 [ 677.568144][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 677.568144][ T74] [ 677.570430][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 677.570430][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 677.570430][ T74] ipv6_find_idev+0x102/0x170 [ 677.570430][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 677.570430][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 677.570430][ T74] netlink_rcv_skb+0x130/0x360 [ 677.570430][ T74] netlink_unicast+0x449/0x710 [ 677.570430][ T74] netlink_sendmsg+0x723/0xbe0 [ 677.570430][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 677.570430][ T74] ___sys_sendmsg+0xee/0x170 [ 677.570430][ T74] __sys_sendmsg+0xcd/0x170 [ 677.570430][ T74] do_syscall_64+0xc6/0x1e0 [ 677.570430][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 677.570430][ T74] [ 677.572187][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 677.572187][ T74] neigh_parms_alloc+0x1e5/0x510 [ 677.572187][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 677.572187][ T74] ipv6_find_idev+0x102/0x170 [ 677.572187][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 677.572187][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 677.572187][ T74] netlink_rcv_skb+0x130/0x360 [ 677.572187][ T74] netlink_unicast+0x449/0x710 [ 677.572187][ T74] netlink_sendmsg+0x723/0xbe0 [ 677.572187][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 677.572187][ T74] ___sys_sendmsg+0xee/0x170 [ 677.572187][ T74] __sys_sendmsg+0xcd/0x170 [ 677.572187][ T74] do_syscall_64+0xc6/0x1e0 [ 677.572187][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 677.572187][ T74] [ 682.630365][ T4621] veth0: renamed from veth1 [ 686.478924][ T4648] br0: port 1(vx0) entered blocking state [ 686.479142][ T4648] br0: port 1(vx0) entered disabled state [ 686.479342][ T4648] vx0: entered allmulticast mode [ 686.480573][ T4648] vx0: entered promiscuous mode [ 686.483898][ T4648] br0: port 1(vx0) entered blocking state [ 686.484092][ T4648] br0: port 1(vx0) entered forwarding state [ 687.711891][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 687.712227][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 687.712227][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 687.712227][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 687.712227][ T74] fib6_nh_init+0xa22/0x1580 [ 687.712227][ T74] ip6_route_info_create+0xf18/0x17d0 [ 687.712227][ T74] ip6_route_add+0x1c/0x140 [ 687.712227][ T74] inet6_rtm_newroute+0x104/0x110 [ 687.712227][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 687.712227][ T74] netlink_rcv_skb+0x130/0x360 [ 687.712227][ T74] netlink_unicast+0x449/0x710 [ 687.712227][ T74] netlink_sendmsg+0x723/0xbe0 [ 687.712227][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 687.712227][ T74] ___sys_sendmsg+0xee/0x170 [ 687.712227][ T74] __sys_sendmsg+0xcd/0x170 [ 687.712227][ T74] do_syscall_64+0xc6/0x1e0 [ 687.712227][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 687.712227][ T74] [ 687.714248][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 687.714248][ T74] netdev_get_by_index+0x5e/0x80 [ 687.714248][ T74] fib6_nh_init+0x3d8/0x1580 [ 687.714248][ T74] ip6_route_info_create+0xf18/0x17d0 [ 687.714248][ T74] addrconf_f6i_alloc+0x265/0x560 [ 687.714248][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 687.714248][ T74] addrconf_join_anycast+0x1c0/0x220 [ 687.714248][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 687.714248][ T74] addrconf_dad_completed+0x12b/0xe20 [ 687.714248][ T74] addrconf_dad_begin+0x310/0x670 [ 687.714248][ T74] addrconf_dad_work+0x10b/0xab0 [ 687.714248][ T74] process_one_work+0x84d/0x18a0 [ 687.714248][ T74] worker_thread+0x587/0xd30 [ 687.714248][ T74] kthread+0x28a/0x350 [ 687.714248][ T74] ret_from_fork+0x31/0x70 [ 687.714248][ T74] ret_from_fork_asm+0x1a/0x30 [ 687.714248][ T74] [ 687.716271][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 687.716271][ T74] netdev_get_by_index+0x5e/0x80 [ 687.716271][ T74] fib6_nh_init+0x3d8/0x1580 [ 687.716271][ T74] ip6_route_info_create+0xf18/0x17d0 [ 687.716271][ T74] ip6_route_add+0x1c/0x140 [ 687.716271][ T74] addrconf_prefix_route+0x2a6/0x430 [ 687.716271][ T74] inet6_addr_add+0x4f8/0xa40 [ 687.716271][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 687.716271][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 687.716271][ T74] netlink_rcv_skb+0x130/0x360 [ 687.716271][ T74] netlink_unicast+0x449/0x710 [ 687.716271][ T74] netlink_sendmsg+0x723/0xbe0 [ 687.716271][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 687.716271][ T74] ___sys_sendmsg+0xee/0x170 [ 687.716271][ T74] __sys_sendmsg+0xcd/0x170 [ 687.716271][ T74] do_syscall_64+0xc6/0x1e0 [ 687.716271][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 687.716271][ T74] [ 687.718363][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 687.718363][ T74] netdev_get_by_index+0x5e/0x80 [ 687.718363][ T74] fib6_nh_init+0x3d8/0x1580 [ 687.718363][ T74] ip6_route_info_create+0xf18/0x17d0 [ 687.718363][ T74] addrconf_f6i_alloc+0x315/0x560 [ 687.718363][ T74] ipv6_add_addr+0x411/0x2000 [ 687.718363][ T74] inet6_addr_add+0x30e/0xa40 [ 687.718363][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 687.718363][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 687.718363][ T74] netlink_rcv_skb+0x130/0x360 [ 687.718363][ T74] netlink_unicast+0x449/0x710 [ 687.718363][ T74] netlink_sendmsg+0x723/0xbe0 [ 687.718363][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 687.718363][ T74] ___sys_sendmsg+0xee/0x170 [ 687.718363][ T74] __sys_sendmsg+0xcd/0x170 [ 687.718363][ T74] do_syscall_64+0xc6/0x1e0 [ 687.718363][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 687.718363][ T74] [ 687.720434][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 687.720434][ T74] netdev_get_by_index+0x5e/0x80 [ 687.720434][ T74] fib6_nh_init+0x3d8/0x1580 [ 687.720434][ T74] ip6_route_info_create+0xf18/0x17d0 [ 687.720434][ T74] ip6_route_add+0x1c/0x140 [ 687.720434][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 687.720434][ T74] addrconf_add_dev+0xe2/0x170 [ 687.720434][ T74] inet6_addr_add+0x12f/0xa40 [ 687.720434][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 687.720434][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 687.720434][ T74] netlink_rcv_skb+0x130/0x360 [ 687.720434][ T74] netlink_unicast+0x449/0x710 [ 687.720434][ T74] netlink_sendmsg+0x723/0xbe0 [ 687.720434][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 687.720434][ T74] ___sys_sendmsg+0xee/0x170 [ 687.720434][ T74] __sys_sendmsg+0xcd/0x170 [ 687.720434][ T74] do_syscall_64+0xc6/0x1e0 [ 687.720434][ T74] [ 687.722480][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 687.722480][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 687.722480][ T74] ipv6_find_idev+0x102/0x170 [ 687.722480][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 687.722480][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 687.722480][ T74] netlink_rcv_skb+0x130/0x360 [ 687.722480][ T74] netlink_unicast+0x449/0x710 [ 687.722480][ T74] netlink_sendmsg+0x723/0xbe0 [ 687.722480][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 687.722480][ T74] ___sys_sendmsg+0xee/0x170 [ 687.722480][ T74] __sys_sendmsg+0xcd/0x170 [ 687.722480][ T74] do_syscall_64+0xc6/0x1e0 [ 687.722480][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 687.722480][ T74] [ 687.724084][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 687.724084][ T74] neigh_parms_alloc+0x1e5/0x510 [ 687.724084][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 687.724084][ T74] ipv6_find_idev+0x102/0x170 [ 687.724084][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 687.724084][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 687.724084][ T74] netlink_rcv_skb+0x130/0x360 [ 687.724084][ T74] netlink_unicast+0x449/0x710 [ 687.724084][ T74] netlink_sendmsg+0x723/0xbe0 [ 687.724084][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 687.724084][ T74] ___sys_sendmsg+0xee/0x170 [ 687.724084][ T74] __sys_sendmsg+0xcd/0x170 [ 687.724084][ T74] do_syscall_64+0xc6/0x1e0 [ 687.724084][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 687.724084][ T74] [ 687.725869][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 687.726175][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 687.726175][ T74] dst_init+0x84/0x4a0 [ 687.726175][ T74] dst_alloc+0x97/0x150 [ 687.726175][ T74] ip6_dst_alloc+0x23/0x90 [ 687.726175][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 687.726175][ T74] ip6_pol_route+0x56f/0x840 [ 687.726175][ T74] fib6_rule_lookup+0x456/0x630 [ 687.726175][ T74] ip6_route_input+0x59c/0xa50 [ 687.726175][ T74] ipv6_rcv+0x397/0x810 [ 687.726175][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 687.726175][ T74] process_backlog+0x101/0x620 [ 687.726175][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 687.726175][ T74] net_rx_action+0x495/0xbe0 [ 687.726175][ T74] __do_softirq+0x1b5/0x7f6 [ 687.726175][ T74] [ 687.727923][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 687.727923][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 687.727923][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 687.727923][ T74] fib6_nh_init+0xa22/0x1580 [ 687.727923][ T74] ip6_route_info_create+0xf18/0x17d0 [ 687.727923][ T74] ip6_route_add+0x1c/0x140 [ 687.727923][ T74] inet6_rtm_newroute+0x104/0x110 [ 687.727923][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 687.727923][ T74] netlink_rcv_skb+0x130/0x360 [ 687.727923][ T74] netlink_unicast+0x449/0x710 [ 687.727923][ T74] netlink_sendmsg+0x723/0xbe0 [ 687.727923][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 687.727923][ T74] ___sys_sendmsg+0xee/0x170 [ 687.727923][ T74] __sys_sendmsg+0xcd/0x170 [ 687.727923][ T74] do_syscall_64+0xc6/0x1e0 [ 687.727923][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 687.727923][ T74] [ 687.729914][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 687.729914][ T74] netdev_get_by_index+0x5e/0x80 [ 687.729914][ T74] fib6_nh_init+0x3d8/0x1580 [ 687.729914][ T74] ip6_route_info_create+0xf18/0x17d0 [ 687.729914][ T74] addrconf_f6i_alloc+0x265/0x560 [ 687.729914][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 687.729914][ T74] addrconf_join_anycast+0x1c0/0x220 [ 687.729914][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 687.729914][ T74] addrconf_dad_completed+0x12b/0xe20 [ 687.729914][ T74] addrconf_dad_begin+0x310/0x670 [ 687.729914][ T74] addrconf_dad_work+0x10b/0xab0 [ 687.729914][ T74] process_one_work+0x84d/0x18a0 [ 687.729914][ T74] worker_thread+0x587/0xd30 [ 687.729914][ T74] kthread+0x28a/0x350 [ 687.729914][ T74] ret_from_fork+0x31/0x70 [ 687.729914][ T74] ret_from_fork_asm+0x1a/0x30 [ 687.729914][ T74] [ 687.731934][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 687.731934][ T74] netdev_get_by_index+0x5e/0x80 [ 687.731934][ T74] fib6_nh_init+0x3d8/0x1580 [ 687.731934][ T74] ip6_route_info_create+0xf18/0x17d0 [ 687.731934][ T74] ip6_route_add+0x1c/0x140 [ 687.731934][ T74] addrconf_prefix_route+0x2a6/0x430 [ 687.731934][ T74] inet6_addr_add+0x4f8/0xa40 [ 687.731934][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 687.731934][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 687.731934][ T74] netlink_rcv_skb+0x130/0x360 [ 687.731934][ T74] netlink_unicast+0x449/0x710 [ 687.731934][ T74] netlink_sendmsg+0x723/0xbe0 [ 687.731934][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 687.731934][ T74] ___sys_sendmsg+0xee/0x170 [ 687.731934][ T74] __sys_sendmsg+0xcd/0x170 [ 687.731934][ T74] do_syscall_64+0xc6/0x1e0 [ 687.731934][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 687.731934][ T74] [ 687.734054][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 687.734054][ T74] netdev_get_by_index+0x5e/0x80 [ 687.734054][ T74] fib6_nh_init+0x3d8/0x1580 [ 687.734054][ T74] ip6_route_info_create+0xf18/0x17d0 [ 687.734054][ T74] addrconf_f6i_alloc+0x315/0x560 [ 687.734054][ T74] ipv6_add_addr+0x411/0x2000 [ 687.734054][ T74] inet6_addr_add+0x30e/0xa40 [ 687.734054][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 687.734054][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 687.734054][ T74] netlink_rcv_skb+0x130/0x360 [ 687.734054][ T74] netlink_unicast+0x449/0x710 [ 687.734054][ T74] netlink_sendmsg+0x723/0xbe0 [ 687.734054][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 687.734054][ T74] ___sys_sendmsg+0xee/0x170 [ 687.734054][ T74] __sys_sendmsg+0xcd/0x170 [ 687.734054][ T74] do_syscall_64+0xc6/0x1e0 [ 687.734054][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 687.734054][ T74] [ 687.736145][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 687.736145][ T74] netdev_get_by_index+0x5e/0x80 [ 687.736145][ T74] fib6_nh_init+0x3d8/0x1580 [ 687.736145][ T74] ip6_route_info_create+0xf18/0x17d0 [ 687.736145][ T74] ip6_route_add+0x1c/0x140 [ 687.736145][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 687.736145][ T74] addrconf_add_dev+0xe2/0x170 [ 687.736145][ T74] inet6_addr_add+0x12f/0xa40 [ 687.736145][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 687.736145][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 687.736145][ T74] netlink_rcv_skb+0x130/0x360 [ 687.736145][ T74] netlink_unicast+0x449/0x710 [ 687.736145][ T74] netlink_sendmsg+0x723/0xbe0 [ 687.736145][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 687.736145][ T74] ___sys_sendmsg+0xee/0x170 [ 687.736145][ T74] __sys_sendmsg+0xcd/0x170 [ 687.736145][ T74] do_syscall_64+0xc6/0x1e0 [ 687.736145][ T74] [ 687.738218][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 687.738218][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 687.738218][ T74] ipv6_find_idev+0x102/0x170 [ 687.738218][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 687.738218][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 687.738218][ T74] netlink_rcv_skb+0x130/0x360 [ 687.738218][ T74] netlink_unicast+0x449/0x710 [ 687.738218][ T74] netlink_sendmsg+0x723/0xbe0 [ 687.738218][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 687.738218][ T74] ___sys_sendmsg+0xee/0x170 [ 687.738218][ T74] __sys_sendmsg+0xcd/0x170 [ 687.738218][ T74] do_syscall_64+0xc6/0x1e0 [ 687.738218][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 687.738218][ T74] [ 687.739945][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 687.739945][ T74] neigh_parms_alloc+0x1e5/0x510 [ 687.739945][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 687.739945][ T74] ipv6_find_idev+0x102/0x170 [ 687.739945][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 687.739945][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 687.739945][ T74] netlink_rcv_skb+0x130/0x360 [ 687.739945][ T74] netlink_unicast+0x449/0x710 [ 687.739945][ T74] netlink_sendmsg+0x723/0xbe0 [ 687.739945][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 687.739945][ T74] ___sys_sendmsg+0xee/0x170 [ 687.739945][ T74] __sys_sendmsg+0xcd/0x170 [ 687.739945][ T74] do_syscall_64+0xc6/0x1e0 [ 687.739945][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 687.739945][ T74] [ 687.741909][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 687.742238][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 687.742238][ T74] netdev_get_by_index+0x5e/0x80 [ 687.742238][ T74] fib6_nh_init+0x3d8/0x1580 [ 687.742238][ T74] ip6_route_info_create+0xf18/0x17d0 [ 687.742238][ T74] ip6_route_add+0x1c/0x140 [ 687.742238][ T74] addrconf_prefix_route+0x2a6/0x430 [ 687.742238][ T74] inet6_addr_add+0x4f8/0xa40 [ 687.742238][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 687.742238][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 687.742238][ T74] netlink_rcv_skb+0x130/0x360 [ 687.742238][ T74] netlink_unicast+0x449/0x710 [ 687.742238][ T74] netlink_sendmsg+0x723/0xbe0 [ 687.742238][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 687.742238][ T74] ___sys_sendmsg+0xee/0x170 [ 687.742238][ T74] __sys_sendmsg+0xcd/0x170 [ 687.742238][ T74] do_syscall_64+0xc6/0x1e0 [ 687.742238][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 687.742238][ T74] [ 687.744514][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 687.744514][ T74] netdev_get_by_index+0x5e/0x80 [ 687.744514][ T74] fib6_nh_init+0x3d8/0x1580 [ 687.744514][ T74] ip6_route_info_create+0xf18/0x17d0 [ 687.744514][ T74] addrconf_f6i_alloc+0x315/0x560 [ 687.744514][ T74] ipv6_add_addr+0x411/0x2000 [ 687.744514][ T74] inet6_addr_add+0x30e/0xa40 [ 687.744514][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 687.744514][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 687.744514][ T74] netlink_rcv_skb+0x130/0x360 [ 687.744514][ T74] netlink_unicast+0x449/0x710 [ 687.744514][ T74] netlink_sendmsg+0x723/0xbe0 [ 687.744514][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 687.744514][ T74] ___sys_sendmsg+0xee/0x170 [ 687.744514][ T74] __sys_sendmsg+0xcd/0x170 [ 687.744514][ T74] do_syscall_64+0xc6/0x1e0 [ 687.744514][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 687.744514][ T74] [ 687.746752][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 687.746752][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 687.746752][ T74] ipv6_find_idev+0x102/0x170 [ 687.746752][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 687.746752][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 687.746752][ T74] netlink_rcv_skb+0x130/0x360 [ 687.746752][ T74] netlink_unicast+0x449/0x710 [ 687.746752][ T74] netlink_sendmsg+0x723/0xbe0 [ 687.746752][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 687.746752][ T74] ___sys_sendmsg+0xee/0x170 [ 687.746752][ T74] __sys_sendmsg+0xcd/0x170 [ 687.746752][ T74] do_syscall_64+0xc6/0x1e0 [ 687.746752][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 687.746752][ T74] [ 687.748539][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 687.748539][ T74] neigh_parms_alloc+0x1e5/0x510 [ 687.748539][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 687.748539][ T74] ipv6_find_idev+0x102/0x170 [ 687.748539][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 687.748539][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 687.748539][ T74] netlink_rcv_skb+0x130/0x360 [ 687.748539][ T74] netlink_unicast+0x449/0x710 [ 687.748539][ T74] netlink_sendmsg+0x723/0xbe0 [ 687.748539][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 687.748539][ T74] ___sys_sendmsg+0xee/0x170 [ 687.748539][ T74] __sys_sendmsg+0xcd/0x170 [ 687.748539][ T74] do_syscall_64+0xc6/0x1e0 [ 687.748539][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 687.748539][ T74] [ 691.914702][ T4678] br0: port 1(vx0) entered blocking state [ 691.914973][ T4678] br0: port 1(vx0) entered disabled state [ 691.915151][ T4678] vx0: entered allmulticast mode [ 691.916355][ T4678] vx0: entered promiscuous mode [ 691.918205][ T4678] br0: port 1(vx0) entered blocking state [ 691.918371][ T4678] br0: port 1(vx0) entered forwarding state [ 696.447449][ T4709] veth0: renamed from veth1 [ 697.895910][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 697.896236][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 697.896236][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 697.896236][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 697.896236][ T74] fib6_nh_init+0xa22/0x1580 [ 697.896236][ T74] ip6_route_info_create+0xf18/0x17d0 [ 697.896236][ T74] ip6_route_add+0x1c/0x140 [ 697.896236][ T74] inet6_rtm_newroute+0x104/0x110 [ 697.896236][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 697.896236][ T74] netlink_rcv_skb+0x130/0x360 [ 697.896236][ T74] netlink_unicast+0x449/0x710 [ 697.896236][ T74] netlink_sendmsg+0x723/0xbe0 [ 697.896236][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 697.896236][ T74] ___sys_sendmsg+0xee/0x170 [ 697.896236][ T74] __sys_sendmsg+0xcd/0x170 [ 697.896236][ T74] do_syscall_64+0xc6/0x1e0 [ 697.896236][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 697.896236][ T74] [ 697.898248][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 697.898248][ T74] netdev_get_by_index+0x5e/0x80 [ 697.898248][ T74] fib6_nh_init+0x3d8/0x1580 [ 697.898248][ T74] ip6_route_info_create+0xf18/0x17d0 [ 697.898248][ T74] addrconf_f6i_alloc+0x265/0x560 [ 697.898248][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 697.898248][ T74] addrconf_join_anycast+0x1c0/0x220 [ 697.898248][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 697.898248][ T74] addrconf_dad_completed+0x12b/0xe20 [ 697.898248][ T74] addrconf_dad_begin+0x310/0x670 [ 697.898248][ T74] addrconf_dad_work+0x10b/0xab0 [ 697.898248][ T74] process_one_work+0x84d/0x18a0 [ 697.898248][ T74] worker_thread+0x587/0xd30 [ 697.898248][ T74] kthread+0x28a/0x350 [ 697.898248][ T74] ret_from_fork+0x31/0x70 [ 697.898248][ T74] ret_from_fork_asm+0x1a/0x30 [ 697.898248][ T74] [ 697.900276][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 697.900276][ T74] netdev_get_by_index+0x5e/0x80 [ 697.900276][ T74] fib6_nh_init+0x3d8/0x1580 [ 697.900276][ T74] ip6_route_info_create+0xf18/0x17d0 [ 697.900276][ T74] ip6_route_add+0x1c/0x140 [ 697.900276][ T74] addrconf_prefix_route+0x2a6/0x430 [ 697.900276][ T74] inet6_addr_add+0x4f8/0xa40 [ 697.900276][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 697.900276][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 697.900276][ T74] netlink_rcv_skb+0x130/0x360 [ 697.900276][ T74] netlink_unicast+0x449/0x710 [ 697.900276][ T74] netlink_sendmsg+0x723/0xbe0 [ 697.900276][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 697.900276][ T74] ___sys_sendmsg+0xee/0x170 [ 697.900276][ T74] __sys_sendmsg+0xcd/0x170 [ 697.900276][ T74] do_syscall_64+0xc6/0x1e0 [ 697.900276][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 697.900276][ T74] [ 697.902383][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 697.902383][ T74] netdev_get_by_index+0x5e/0x80 [ 697.902383][ T74] fib6_nh_init+0x3d8/0x1580 [ 697.902383][ T74] ip6_route_info_create+0xf18/0x17d0 [ 697.902383][ T74] addrconf_f6i_alloc+0x315/0x560 [ 697.902383][ T74] ipv6_add_addr+0x411/0x2000 [ 697.902383][ T74] inet6_addr_add+0x30e/0xa40 [ 697.902383][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 697.902383][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 697.902383][ T74] netlink_rcv_skb+0x130/0x360 [ 697.902383][ T74] netlink_unicast+0x449/0x710 [ 697.902383][ T74] netlink_sendmsg+0x723/0xbe0 [ 697.902383][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 697.902383][ T74] ___sys_sendmsg+0xee/0x170 [ 697.902383][ T74] __sys_sendmsg+0xcd/0x170 [ 697.902383][ T74] do_syscall_64+0xc6/0x1e0 [ 697.902383][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 697.902383][ T74] [ 697.904471][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 697.904471][ T74] netdev_get_by_index+0x5e/0x80 [ 697.904471][ T74] fib6_nh_init+0x3d8/0x1580 [ 697.904471][ T74] ip6_route_info_create+0xf18/0x17d0 [ 697.904471][ T74] ip6_route_add+0x1c/0x140 [ 697.904471][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 697.904471][ T74] addrconf_add_dev+0xe2/0x170 [ 697.904471][ T74] inet6_addr_add+0x12f/0xa40 [ 697.904471][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 697.904471][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 697.904471][ T74] netlink_rcv_skb+0x130/0x360 [ 697.904471][ T74] netlink_unicast+0x449/0x710 [ 697.904471][ T74] netlink_sendmsg+0x723/0xbe0 [ 697.904471][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 697.904471][ T74] ___sys_sendmsg+0xee/0x170 [ 697.904471][ T74] __sys_sendmsg+0xcd/0x170 [ 697.904471][ T74] do_syscall_64+0xc6/0x1e0 [ 697.904471][ T74] [ 697.906522][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 697.906522][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 697.906522][ T74] ipv6_find_idev+0x102/0x170 [ 697.906522][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 697.906522][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 697.906522][ T74] netlink_rcv_skb+0x130/0x360 [ 697.906522][ T74] netlink_unicast+0x449/0x710 [ 697.906522][ T74] netlink_sendmsg+0x723/0xbe0 [ 697.906522][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 697.906522][ T74] ___sys_sendmsg+0xee/0x170 [ 697.906522][ T74] __sys_sendmsg+0xcd/0x170 [ 697.906522][ T74] do_syscall_64+0xc6/0x1e0 [ 697.906522][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 697.906522][ T74] [ 697.908108][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 697.908108][ T74] neigh_parms_alloc+0x1e5/0x510 [ 697.908108][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 697.908108][ T74] ipv6_find_idev+0x102/0x170 [ 697.908108][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 697.908108][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 697.908108][ T74] netlink_rcv_skb+0x130/0x360 [ 697.908108][ T74] netlink_unicast+0x449/0x710 [ 697.908108][ T74] netlink_sendmsg+0x723/0xbe0 [ 697.908108][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 697.908108][ T74] ___sys_sendmsg+0xee/0x170 [ 697.908108][ T74] __sys_sendmsg+0xcd/0x170 [ 697.908108][ T74] do_syscall_64+0xc6/0x1e0 [ 697.908108][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 697.908108][ T74] [ 697.909838][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 697.910159][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 697.910159][ T74] dst_init+0x84/0x4a0 [ 697.910159][ T74] dst_alloc+0x97/0x150 [ 697.910159][ T74] ip6_dst_alloc+0x23/0x90 [ 697.910159][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 697.910159][ T74] ip6_pol_route+0x56f/0x840 [ 697.910159][ T74] fib6_rule_lookup+0x456/0x630 [ 697.910159][ T74] ip6_route_input+0x59c/0xa50 [ 697.910159][ T74] ipv6_rcv+0x397/0x810 [ 697.910159][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 697.910159][ T74] process_backlog+0x101/0x620 [ 697.910159][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 697.910159][ T74] net_rx_action+0x495/0xbe0 [ 697.910159][ T74] __do_softirq+0x1b5/0x7f6 [ 697.910159][ T74] [ 697.911869][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 697.911869][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 697.911869][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 697.911869][ T74] fib6_nh_init+0xa22/0x1580 [ 697.911869][ T74] ip6_route_info_create+0xf18/0x17d0 [ 697.911869][ T74] ip6_route_add+0x1c/0x140 [ 697.911869][ T74] inet6_rtm_newroute+0x104/0x110 [ 697.911869][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 697.911869][ T74] netlink_rcv_skb+0x130/0x360 [ 697.911869][ T74] netlink_unicast+0x449/0x710 [ 697.911869][ T74] netlink_sendmsg+0x723/0xbe0 [ 697.911869][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 697.911869][ T74] ___sys_sendmsg+0xee/0x170 [ 697.911869][ T74] __sys_sendmsg+0xcd/0x170 [ 697.911869][ T74] do_syscall_64+0xc6/0x1e0 [ 697.911869][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 697.911869][ T74] [ 697.913798][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 697.913798][ T74] netdev_get_by_index+0x5e/0x80 [ 697.913798][ T74] fib6_nh_init+0x3d8/0x1580 [ 697.913798][ T74] ip6_route_info_create+0xf18/0x17d0 [ 697.913798][ T74] addrconf_f6i_alloc+0x265/0x560 [ 697.913798][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 697.913798][ T74] addrconf_join_anycast+0x1c0/0x220 [ 697.913798][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 697.913798][ T74] addrconf_dad_completed+0x12b/0xe20 [ 697.913798][ T74] addrconf_dad_begin+0x310/0x670 [ 697.913798][ T74] addrconf_dad_work+0x10b/0xab0 [ 697.913798][ T74] process_one_work+0x84d/0x18a0 [ 697.913798][ T74] worker_thread+0x587/0xd30 [ 697.913798][ T74] kthread+0x28a/0x350 [ 697.913798][ T74] ret_from_fork+0x31/0x70 [ 697.913798][ T74] ret_from_fork_asm+0x1a/0x30 [ 697.913798][ T74] [ 697.916014][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 697.916014][ T74] netdev_get_by_index+0x5e/0x80 [ 697.916014][ T74] fib6_nh_init+0x3d8/0x1580 [ 697.916014][ T74] ip6_route_info_create+0xf18/0x17d0 [ 697.916014][ T74] ip6_route_add+0x1c/0x140 [ 697.916014][ T74] addrconf_prefix_route+0x2a6/0x430 [ 697.916014][ T74] inet6_addr_add+0x4f8/0xa40 [ 697.916014][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 697.916014][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 697.916014][ T74] netlink_rcv_skb+0x130/0x360 [ 697.916014][ T74] netlink_unicast+0x449/0x710 [ 697.916014][ T74] netlink_sendmsg+0x723/0xbe0 [ 697.916014][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 697.916014][ T74] ___sys_sendmsg+0xee/0x170 [ 697.916014][ T74] __sys_sendmsg+0xcd/0x170 [ 697.916014][ T74] do_syscall_64+0xc6/0x1e0 [ 697.916014][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 697.916014][ T74] [ 697.918381][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 697.918381][ T74] netdev_get_by_index+0x5e/0x80 [ 697.918381][ T74] fib6_nh_init+0x3d8/0x1580 [ 697.918381][ T74] ip6_route_info_create+0xf18/0x17d0 [ 697.918381][ T74] addrconf_f6i_alloc+0x315/0x560 [ 697.918381][ T74] ipv6_add_addr+0x411/0x2000 [ 697.918381][ T74] inet6_addr_add+0x30e/0xa40 [ 697.918381][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 697.918381][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 697.918381][ T74] netlink_rcv_skb+0x130/0x360 [ 697.918381][ T74] netlink_unicast+0x449/0x710 [ 697.918381][ T74] netlink_sendmsg+0x723/0xbe0 [ 697.918381][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 697.918381][ T74] ___sys_sendmsg+0xee/0x170 [ 697.918381][ T74] __sys_sendmsg+0xcd/0x170 [ 697.918381][ T74] do_syscall_64+0xc6/0x1e0 [ 697.918381][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 697.918381][ T74] [ 697.922105][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 697.922105][ T74] netdev_get_by_index+0x5e/0x80 [ 697.922105][ T74] fib6_nh_init+0x3d8/0x1580 [ 697.922105][ T74] ip6_route_info_create+0xf18/0x17d0 [ 697.922105][ T74] ip6_route_add+0x1c/0x140 [ 697.922105][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 697.922105][ T74] addrconf_add_dev+0xe2/0x170 [ 697.922105][ T74] inet6_addr_add+0x12f/0xa40 [ 697.922105][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 697.922105][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 697.922105][ T74] netlink_rcv_skb+0x130/0x360 [ 697.922105][ T74] netlink_unicast+0x449/0x710 [ 697.922105][ T74] netlink_sendmsg+0x723/0xbe0 [ 697.922105][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 697.922105][ T74] ___sys_sendmsg+0xee/0x170 [ 697.922105][ T74] __sys_sendmsg+0xcd/0x170 [ 697.922105][ T74] do_syscall_64+0xc6/0x1e0 [ 697.922105][ T74] [ 697.925726][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 697.925726][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 697.925726][ T74] ipv6_find_idev+0x102/0x170 [ 697.925726][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 697.925726][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 697.925726][ T74] netlink_rcv_skb+0x130/0x360 [ 697.925726][ T74] netlink_unicast+0x449/0x710 [ 697.925726][ T74] netlink_sendmsg+0x723/0xbe0 [ 697.925726][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 697.925726][ T74] ___sys_sendmsg+0xee/0x170 [ 697.925726][ T74] __sys_sendmsg+0xcd/0x170 [ 697.925726][ T74] do_syscall_64+0xc6/0x1e0 [ 697.925726][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 697.925726][ T74] [ 697.928560][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 697.928560][ T74] neigh_parms_alloc+0x1e5/0x510 [ 697.928560][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 697.928560][ T74] ipv6_find_idev+0x102/0x170 [ 697.928560][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 697.928560][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 697.928560][ T74] netlink_rcv_skb+0x130/0x360 [ 697.928560][ T74] netlink_unicast+0x449/0x710 [ 697.928560][ T74] netlink_sendmsg+0x723/0xbe0 [ 697.928560][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 697.928560][ T74] ___sys_sendmsg+0xee/0x170 [ 697.928560][ T74] __sys_sendmsg+0xcd/0x170 [ 697.928560][ T74] do_syscall_64+0xc6/0x1e0 [ 697.928560][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 697.928560][ T74] [ 697.931330][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 697.931744][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 697.931744][ T74] netdev_get_by_index+0x5e/0x80 [ 697.931744][ T74] fib6_nh_init+0x3d8/0x1580 [ 697.931744][ T74] ip6_route_info_create+0xf18/0x17d0 [ 697.931744][ T74] ip6_route_add+0x1c/0x140 [ 697.931744][ T74] addrconf_prefix_route+0x2a6/0x430 [ 697.931744][ T74] inet6_addr_add+0x4f8/0xa40 [ 697.931744][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 697.931744][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 697.931744][ T74] netlink_rcv_skb+0x130/0x360 [ 697.931744][ T74] netlink_unicast+0x449/0x710 [ 697.931744][ T74] netlink_sendmsg+0x723/0xbe0 [ 697.931744][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 697.931744][ T74] ___sys_sendmsg+0xee/0x170 [ 697.931744][ T74] __sys_sendmsg+0xcd/0x170 [ 697.931744][ T74] do_syscall_64+0xc6/0x1e0 [ 697.931744][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 697.931744][ T74] [ 697.935032][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 697.935032][ T74] netdev_get_by_index+0x5e/0x80 [ 697.935032][ T74] fib6_nh_init+0x3d8/0x1580 [ 697.935032][ T74] ip6_route_info_create+0xf18/0x17d0 [ 697.935032][ T74] addrconf_f6i_alloc+0x315/0x560 [ 697.935032][ T74] ipv6_add_addr+0x411/0x2000 [ 697.935032][ T74] inet6_addr_add+0x30e/0xa40 [ 697.935032][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 697.935032][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 697.935032][ T74] netlink_rcv_skb+0x130/0x360 [ 697.935032][ T74] netlink_unicast+0x449/0x710 [ 697.935032][ T74] netlink_sendmsg+0x723/0xbe0 [ 697.935032][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 697.935032][ T74] ___sys_sendmsg+0xee/0x170 [ 697.935032][ T74] __sys_sendmsg+0xcd/0x170 [ 697.935032][ T74] do_syscall_64+0xc6/0x1e0 [ 697.935032][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 697.935032][ T74] [ 697.938555][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 697.938555][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 697.938555][ T74] ipv6_find_idev+0x102/0x170 [ 697.938555][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 697.938555][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 697.938555][ T74] netlink_rcv_skb+0x130/0x360 [ 697.938555][ T74] netlink_unicast+0x449/0x710 [ 697.938555][ T74] netlink_sendmsg+0x723/0xbe0 [ 697.938555][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 697.938555][ T74] ___sys_sendmsg+0xee/0x170 [ 697.938555][ T74] __sys_sendmsg+0xcd/0x170 [ 697.938555][ T74] do_syscall_64+0xc6/0x1e0 [ 697.938555][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 697.938555][ T74] [ 697.941368][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 697.941368][ T74] neigh_parms_alloc+0x1e5/0x510 [ 697.941368][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 697.941368][ T74] ipv6_find_idev+0x102/0x170 [ 697.941368][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 697.941368][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 697.941368][ T74] netlink_rcv_skb+0x130/0x360 [ 697.941368][ T74] netlink_unicast+0x449/0x710 [ 697.941368][ T74] netlink_sendmsg+0x723/0xbe0 [ 697.941368][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 697.941368][ T74] ___sys_sendmsg+0xee/0x170 [ 697.941368][ T74] __sys_sendmsg+0xcd/0x170 [ 697.941368][ T74] do_syscall_64+0xc6/0x1e0 [ 697.941368][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 697.941368][ T74] [ 700.413784][ T4735] br0: port 1(vx0) entered blocking state [ 700.413979][ T4735] br0: port 1(vx0) entered disabled state [ 700.414152][ T4735] vx0: entered allmulticast mode [ 700.415341][ T4735] vx0: entered promiscuous mode [ 700.417499][ T4735] br0: port 1(vx0) entered blocking state [ 700.417676][ T4735] br0: port 1(vx0) entered forwarding state [ 705.932808][ T4765] br0: port 1(vx0) entered blocking state [ 705.933048][ T4765] br0: port 1(vx0) entered disabled state [ 705.933247][ T4765] vx0: entered allmulticast mode [ 705.934511][ T4765] vx0: entered promiscuous mode [ 705.937255][ T4765] br0: port 1(vx0) entered blocking state [ 705.937427][ T4765] br0: port 1(vx0) entered forwarding state [ 708.039891][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 708.040230][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 708.040230][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 708.040230][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 708.040230][ T74] fib6_nh_init+0xa22/0x1580 [ 708.040230][ T74] ip6_route_info_create+0xf18/0x17d0 [ 708.040230][ T74] ip6_route_add+0x1c/0x140 [ 708.040230][ T74] inet6_rtm_newroute+0x104/0x110 [ 708.040230][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 708.040230][ T74] netlink_rcv_skb+0x130/0x360 [ 708.040230][ T74] netlink_unicast+0x449/0x710 [ 708.040230][ T74] netlink_sendmsg+0x723/0xbe0 [ 708.040230][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 708.040230][ T74] ___sys_sendmsg+0xee/0x170 [ 708.040230][ T74] __sys_sendmsg+0xcd/0x170 [ 708.040230][ T74] do_syscall_64+0xc6/0x1e0 [ 708.040230][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 708.040230][ T74] [ 708.042184][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 708.042184][ T74] netdev_get_by_index+0x5e/0x80 [ 708.042184][ T74] fib6_nh_init+0x3d8/0x1580 [ 708.042184][ T74] ip6_route_info_create+0xf18/0x17d0 [ 708.042184][ T74] addrconf_f6i_alloc+0x265/0x560 [ 708.042184][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 708.042184][ T74] addrconf_join_anycast+0x1c0/0x220 [ 708.042184][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 708.042184][ T74] addrconf_dad_completed+0x12b/0xe20 [ 708.042184][ T74] addrconf_dad_begin+0x310/0x670 [ 708.042184][ T74] addrconf_dad_work+0x10b/0xab0 [ 708.042184][ T74] process_one_work+0x84d/0x18a0 [ 708.042184][ T74] worker_thread+0x587/0xd30 [ 708.042184][ T74] kthread+0x28a/0x350 [ 708.042184][ T74] ret_from_fork+0x31/0x70 [ 708.042184][ T74] ret_from_fork_asm+0x1a/0x30 [ 708.042184][ T74] [ 708.044152][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 708.044152][ T74] netdev_get_by_index+0x5e/0x80 [ 708.044152][ T74] fib6_nh_init+0x3d8/0x1580 [ 708.044152][ T74] ip6_route_info_create+0xf18/0x17d0 [ 708.044152][ T74] ip6_route_add+0x1c/0x140 [ 708.044152][ T74] addrconf_prefix_route+0x2a6/0x430 [ 708.044152][ T74] inet6_addr_add+0x4f8/0xa40 [ 708.044152][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 708.044152][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 708.044152][ T74] netlink_rcv_skb+0x130/0x360 [ 708.044152][ T74] netlink_unicast+0x449/0x710 [ 708.044152][ T74] netlink_sendmsg+0x723/0xbe0 [ 708.044152][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 708.044152][ T74] ___sys_sendmsg+0xee/0x170 [ 708.044152][ T74] __sys_sendmsg+0xcd/0x170 [ 708.044152][ T74] do_syscall_64+0xc6/0x1e0 [ 708.044152][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 708.044152][ T74] [ 708.046211][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 708.046211][ T74] netdev_get_by_index+0x5e/0x80 [ 708.046211][ T74] fib6_nh_init+0x3d8/0x1580 [ 708.046211][ T74] ip6_route_info_create+0xf18/0x17d0 [ 708.046211][ T74] addrconf_f6i_alloc+0x315/0x560 [ 708.046211][ T74] ipv6_add_addr+0x411/0x2000 [ 708.046211][ T74] inet6_addr_add+0x30e/0xa40 [ 708.046211][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 708.046211][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 708.046211][ T74] netlink_rcv_skb+0x130/0x360 [ 708.046211][ T74] netlink_unicast+0x449/0x710 [ 708.046211][ T74] netlink_sendmsg+0x723/0xbe0 [ 708.046211][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 708.046211][ T74] ___sys_sendmsg+0xee/0x170 [ 708.046211][ T74] __sys_sendmsg+0xcd/0x170 [ 708.046211][ T74] do_syscall_64+0xc6/0x1e0 [ 708.046211][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 708.046211][ T74] [ 708.048227][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 708.048227][ T74] netdev_get_by_index+0x5e/0x80 [ 708.048227][ T74] fib6_nh_init+0x3d8/0x1580 [ 708.048227][ T74] ip6_route_info_create+0xf18/0x17d0 [ 708.048227][ T74] ip6_route_add+0x1c/0x140 [ 708.048227][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 708.048227][ T74] addrconf_add_dev+0xe2/0x170 [ 708.048227][ T74] inet6_addr_add+0x12f/0xa40 [ 708.048227][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 708.048227][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 708.048227][ T74] netlink_rcv_skb+0x130/0x360 [ 708.048227][ T74] netlink_unicast+0x449/0x710 [ 708.048227][ T74] netlink_sendmsg+0x723/0xbe0 [ 708.048227][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 708.048227][ T74] ___sys_sendmsg+0xee/0x170 [ 708.048227][ T74] __sys_sendmsg+0xcd/0x170 [ 708.048227][ T74] do_syscall_64+0xc6/0x1e0 [ 708.048227][ T74] [ 708.050210][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 708.050210][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 708.050210][ T74] ipv6_find_idev+0x102/0x170 [ 708.050210][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 708.050210][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 708.050210][ T74] netlink_rcv_skb+0x130/0x360 [ 708.050210][ T74] netlink_unicast+0x449/0x710 [ 708.050210][ T74] netlink_sendmsg+0x723/0xbe0 [ 708.050210][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 708.050210][ T74] ___sys_sendmsg+0xee/0x170 [ 708.050210][ T74] __sys_sendmsg+0xcd/0x170 [ 708.050210][ T74] do_syscall_64+0xc6/0x1e0 [ 708.050210][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 708.050210][ T74] [ 708.051870][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 708.051870][ T74] neigh_parms_alloc+0x1e5/0x510 [ 708.051870][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 708.051870][ T74] ipv6_find_idev+0x102/0x170 [ 708.051870][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 708.051870][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 708.051870][ T74] netlink_rcv_skb+0x130/0x360 [ 708.051870][ T74] netlink_unicast+0x449/0x710 [ 708.051870][ T74] netlink_sendmsg+0x723/0xbe0 [ 708.051870][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 708.051870][ T74] ___sys_sendmsg+0xee/0x170 [ 708.051870][ T74] __sys_sendmsg+0xcd/0x170 [ 708.051870][ T74] do_syscall_64+0xc6/0x1e0 [ 708.051870][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 708.051870][ T74] [ 708.053932][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 708.054218][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 708.054218][ T74] dst_init+0x84/0x4a0 [ 708.054218][ T74] dst_alloc+0x97/0x150 [ 708.054218][ T74] ip6_dst_alloc+0x23/0x90 [ 708.054218][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 708.054218][ T74] ip6_pol_route+0x56f/0x840 [ 708.054218][ T74] fib6_rule_lookup+0x456/0x630 [ 708.054218][ T74] ip6_route_input+0x59c/0xa50 [ 708.054218][ T74] ipv6_rcv+0x397/0x810 [ 708.054218][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 708.054218][ T74] process_backlog+0x101/0x620 [ 708.054218][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 708.054218][ T74] net_rx_action+0x495/0xbe0 [ 708.054218][ T74] __do_softirq+0x1b5/0x7f6 [ 708.054218][ T74] [ 708.055993][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 708.055993][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 708.055993][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 708.055993][ T74] fib6_nh_init+0xa22/0x1580 [ 708.055993][ T74] ip6_route_info_create+0xf18/0x17d0 [ 708.055993][ T74] ip6_route_add+0x1c/0x140 [ 708.055993][ T74] inet6_rtm_newroute+0x104/0x110 [ 708.055993][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 708.055993][ T74] netlink_rcv_skb+0x130/0x360 [ 708.055993][ T74] netlink_unicast+0x449/0x710 [ 708.055993][ T74] netlink_sendmsg+0x723/0xbe0 [ 708.055993][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 708.055993][ T74] ___sys_sendmsg+0xee/0x170 [ 708.055993][ T74] __sys_sendmsg+0xcd/0x170 [ 708.055993][ T74] do_syscall_64+0xc6/0x1e0 [ 708.055993][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 708.055993][ T74] [ 708.058068][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 708.058068][ T74] netdev_get_by_index+0x5e/0x80 [ 708.058068][ T74] fib6_nh_init+0x3d8/0x1580 [ 708.058068][ T74] ip6_route_info_create+0xf18/0x17d0 [ 708.058068][ T74] addrconf_f6i_alloc+0x265/0x560 [ 708.058068][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 708.058068][ T74] addrconf_join_anycast+0x1c0/0x220 [ 708.058068][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 708.058068][ T74] addrconf_dad_completed+0x12b/0xe20 [ 708.058068][ T74] addrconf_dad_begin+0x310/0x670 [ 708.058068][ T74] addrconf_dad_work+0x10b/0xab0 [ 708.058068][ T74] process_one_work+0x84d/0x18a0 [ 708.058068][ T74] worker_thread+0x587/0xd30 [ 708.058068][ T74] kthread+0x28a/0x350 [ 708.058068][ T74] ret_from_fork+0x31/0x70 [ 708.058068][ T74] ret_from_fork_asm+0x1a/0x30 [ 708.058068][ T74] [ 708.060222][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 708.060222][ T74] netdev_get_by_index+0x5e/0x80 [ 708.060222][ T74] fib6_nh_init+0x3d8/0x1580 [ 708.060222][ T74] ip6_route_info_create+0xf18/0x17d0 [ 708.060222][ T74] ip6_route_add+0x1c/0x140 [ 708.060222][ T74] addrconf_prefix_route+0x2a6/0x430 [ 708.060222][ T74] inet6_addr_add+0x4f8/0xa40 [ 708.060222][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 708.060222][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 708.060222][ T74] netlink_rcv_skb+0x130/0x360 [ 708.060222][ T74] netlink_unicast+0x449/0x710 [ 708.060222][ T74] netlink_sendmsg+0x723/0xbe0 [ 708.060222][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 708.060222][ T74] ___sys_sendmsg+0xee/0x170 [ 708.060222][ T74] __sys_sendmsg+0xcd/0x170 [ 708.060222][ T74] do_syscall_64+0xc6/0x1e0 [ 708.060222][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 708.060222][ T74] [ 708.062496][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 708.062496][ T74] netdev_get_by_index+0x5e/0x80 [ 708.062496][ T74] fib6_nh_init+0x3d8/0x1580 [ 708.062496][ T74] ip6_route_info_create+0xf18/0x17d0 [ 708.062496][ T74] addrconf_f6i_alloc+0x315/0x560 [ 708.062496][ T74] ipv6_add_addr+0x411/0x2000 [ 708.062496][ T74] inet6_addr_add+0x30e/0xa40 [ 708.062496][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 708.062496][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 708.062496][ T74] netlink_rcv_skb+0x130/0x360 [ 708.062496][ T74] netlink_unicast+0x449/0x710 [ 708.062496][ T74] netlink_sendmsg+0x723/0xbe0 [ 708.062496][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 708.062496][ T74] ___sys_sendmsg+0xee/0x170 [ 708.062496][ T74] __sys_sendmsg+0xcd/0x170 [ 708.062496][ T74] do_syscall_64+0xc6/0x1e0 [ 708.062496][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 708.062496][ T74] [ 708.064716][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 708.064716][ T74] netdev_get_by_index+0x5e/0x80 [ 708.064716][ T74] fib6_nh_init+0x3d8/0x1580 [ 708.064716][ T74] ip6_route_info_create+0xf18/0x17d0 [ 708.064716][ T74] ip6_route_add+0x1c/0x140 [ 708.064716][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 708.064716][ T74] addrconf_add_dev+0xe2/0x170 [ 708.064716][ T74] inet6_addr_add+0x12f/0xa40 [ 708.064716][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 708.064716][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 708.064716][ T74] netlink_rcv_skb+0x130/0x360 [ 708.064716][ T74] netlink_unicast+0x449/0x710 [ 708.064716][ T74] netlink_sendmsg+0x723/0xbe0 [ 708.064716][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 708.064716][ T74] ___sys_sendmsg+0xee/0x170 [ 708.064716][ T74] __sys_sendmsg+0xcd/0x170 [ 708.064716][ T74] do_syscall_64+0xc6/0x1e0 [ 708.064716][ T74] [ 708.066902][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 708.066902][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 708.066902][ T74] ipv6_find_idev+0x102/0x170 [ 708.066902][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 708.066902][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 708.066902][ T74] netlink_rcv_skb+0x130/0x360 [ 708.066902][ T74] netlink_unicast+0x449/0x710 [ 708.066902][ T74] netlink_sendmsg+0x723/0xbe0 [ 708.066902][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 708.066902][ T74] ___sys_sendmsg+0xee/0x170 [ 708.066902][ T74] __sys_sendmsg+0xcd/0x170 [ 708.066902][ T74] do_syscall_64+0xc6/0x1e0 [ 708.066902][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 708.066902][ T74] [ 708.068709][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 708.068709][ T74] neigh_parms_alloc+0x1e5/0x510 [ 708.068709][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 708.068709][ T74] ipv6_find_idev+0x102/0x170 [ 708.068709][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 708.068709][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 708.068709][ T74] netlink_rcv_skb+0x130/0x360 [ 708.068709][ T74] netlink_unicast+0x449/0x710 [ 708.068709][ T74] netlink_sendmsg+0x723/0xbe0 [ 708.068709][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 708.068709][ T74] ___sys_sendmsg+0xee/0x170 [ 708.068709][ T74] __sys_sendmsg+0xcd/0x170 [ 708.068709][ T74] do_syscall_64+0xc6/0x1e0 [ 708.068709][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 708.068709][ T74] [ 708.070598][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 708.070923][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 708.070923][ T74] netdev_get_by_index+0x5e/0x80 [ 708.070923][ T74] fib6_nh_init+0x3d8/0x1580 [ 708.070923][ T74] ip6_route_info_create+0xf18/0x17d0 [ 708.070923][ T74] ip6_route_add+0x1c/0x140 [ 708.070923][ T74] addrconf_prefix_route+0x2a6/0x430 [ 708.070923][ T74] inet6_addr_add+0x4f8/0xa40 [ 708.070923][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 708.070923][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 708.070923][ T74] netlink_rcv_skb+0x130/0x360 [ 708.070923][ T74] netlink_unicast+0x449/0x710 [ 708.070923][ T74] netlink_sendmsg+0x723/0xbe0 [ 708.070923][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 708.070923][ T74] ___sys_sendmsg+0xee/0x170 [ 708.070923][ T74] __sys_sendmsg+0xcd/0x170 [ 708.070923][ T74] do_syscall_64+0xc6/0x1e0 [ 708.070923][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 708.070923][ T74] [ 708.073163][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 708.073163][ T74] netdev_get_by_index+0x5e/0x80 [ 708.073163][ T74] fib6_nh_init+0x3d8/0x1580 [ 708.073163][ T74] ip6_route_info_create+0xf18/0x17d0 [ 708.073163][ T74] addrconf_f6i_alloc+0x315/0x560 [ 708.073163][ T74] ipv6_add_addr+0x411/0x2000 [ 708.073163][ T74] inet6_addr_add+0x30e/0xa40 [ 708.073163][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 708.073163][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 708.073163][ T74] netlink_rcv_skb+0x130/0x360 [ 708.073163][ T74] netlink_unicast+0x449/0x710 [ 708.073163][ T74] netlink_sendmsg+0x723/0xbe0 [ 708.073163][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 708.073163][ T74] ___sys_sendmsg+0xee/0x170 [ 708.073163][ T74] __sys_sendmsg+0xcd/0x170 [ 708.073163][ T74] do_syscall_64+0xc6/0x1e0 [ 708.073163][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 708.073163][ T74] [ 708.075654][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 708.075654][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 708.075654][ T74] ipv6_find_idev+0x102/0x170 [ 708.075654][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 708.075654][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 708.075654][ T74] netlink_rcv_skb+0x130/0x360 [ 708.075654][ T74] netlink_unicast+0x449/0x710 [ 708.075654][ T74] netlink_sendmsg+0x723/0xbe0 [ 708.075654][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 708.075654][ T74] ___sys_sendmsg+0xee/0x170 [ 708.075654][ T74] __sys_sendmsg+0xcd/0x170 [ 708.075654][ T74] do_syscall_64+0xc6/0x1e0 [ 708.075654][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 708.075654][ T74] [ 708.077396][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 708.077396][ T74] neigh_parms_alloc+0x1e5/0x510 [ 708.077396][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 708.077396][ T74] ipv6_find_idev+0x102/0x170 [ 708.077396][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 708.077396][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 708.077396][ T74] netlink_rcv_skb+0x130/0x360 [ 708.077396][ T74] netlink_unicast+0x449/0x710 [ 708.077396][ T74] netlink_sendmsg+0x723/0xbe0 [ 708.077396][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 708.077396][ T74] ___sys_sendmsg+0xee/0x170 [ 708.077396][ T74] __sys_sendmsg+0xcd/0x170 [ 708.077396][ T74] do_syscall_64+0xc6/0x1e0 [ 708.077396][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 708.077396][ T74] [ 718.240019][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 718.240395][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 718.240395][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 718.240395][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 718.240395][ T74] fib6_nh_init+0xa22/0x1580 [ 718.240395][ T74] ip6_route_info_create+0xf18/0x17d0 [ 718.240395][ T74] ip6_route_add+0x1c/0x140 [ 718.240395][ T74] inet6_rtm_newroute+0x104/0x110 [ 718.240395][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 718.240395][ T74] netlink_rcv_skb+0x130/0x360 [ 718.240395][ T74] netlink_unicast+0x449/0x710 [ 718.240395][ T74] netlink_sendmsg+0x723/0xbe0 [ 718.240395][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 718.240395][ T74] ___sys_sendmsg+0xee/0x170 [ 718.240395][ T74] __sys_sendmsg+0xcd/0x170 [ 718.240395][ T74] do_syscall_64+0xc6/0x1e0 [ 718.240395][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 718.240395][ T74] [ 718.242784][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 718.242784][ T74] netdev_get_by_index+0x5e/0x80 [ 718.242784][ T74] fib6_nh_init+0x3d8/0x1580 [ 718.242784][ T74] ip6_route_info_create+0xf18/0x17d0 [ 718.242784][ T74] addrconf_f6i_alloc+0x265/0x560 [ 718.242784][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 718.242784][ T74] addrconf_join_anycast+0x1c0/0x220 [ 718.242784][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 718.242784][ T74] addrconf_dad_completed+0x12b/0xe20 [ 718.242784][ T74] addrconf_dad_begin+0x310/0x670 [ 718.242784][ T74] addrconf_dad_work+0x10b/0xab0 [ 718.242784][ T74] process_one_work+0x84d/0x18a0 [ 718.242784][ T74] worker_thread+0x587/0xd30 [ 718.242784][ T74] kthread+0x28a/0x350 [ 718.242784][ T74] ret_from_fork+0x31/0x70 [ 718.242784][ T74] ret_from_fork_asm+0x1a/0x30 [ 718.242784][ T74] [ 718.245168][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 718.245168][ T74] netdev_get_by_index+0x5e/0x80 [ 718.245168][ T74] fib6_nh_init+0x3d8/0x1580 [ 718.245168][ T74] ip6_route_info_create+0xf18/0x17d0 [ 718.245168][ T74] ip6_route_add+0x1c/0x140 [ 718.245168][ T74] addrconf_prefix_route+0x2a6/0x430 [ 718.245168][ T74] inet6_addr_add+0x4f8/0xa40 [ 718.245168][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 718.245168][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 718.245168][ T74] netlink_rcv_skb+0x130/0x360 [ 718.245168][ T74] netlink_unicast+0x449/0x710 [ 718.245168][ T74] netlink_sendmsg+0x723/0xbe0 [ 718.245168][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 718.245168][ T74] ___sys_sendmsg+0xee/0x170 [ 718.245168][ T74] __sys_sendmsg+0xcd/0x170 [ 718.245168][ T74] do_syscall_64+0xc6/0x1e0 [ 718.245168][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 718.245168][ T74] [ 718.247765][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 718.247765][ T74] netdev_get_by_index+0x5e/0x80 [ 718.247765][ T74] fib6_nh_init+0x3d8/0x1580 [ 718.247765][ T74] ip6_route_info_create+0xf18/0x17d0 [ 718.247765][ T74] addrconf_f6i_alloc+0x315/0x560 [ 718.247765][ T74] ipv6_add_addr+0x411/0x2000 [ 718.247765][ T74] inet6_addr_add+0x30e/0xa40 [ 718.247765][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 718.247765][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 718.247765][ T74] netlink_rcv_skb+0x130/0x360 [ 718.247765][ T74] netlink_unicast+0x449/0x710 [ 718.247765][ T74] netlink_sendmsg+0x723/0xbe0 [ 718.247765][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 718.247765][ T74] ___sys_sendmsg+0xee/0x170 [ 718.247765][ T74] __sys_sendmsg+0xcd/0x170 [ 718.247765][ T74] do_syscall_64+0xc6/0x1e0 [ 718.247765][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 718.247765][ T74] [ 718.250342][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 718.250342][ T74] netdev_get_by_index+0x5e/0x80 [ 718.250342][ T74] fib6_nh_init+0x3d8/0x1580 [ 718.250342][ T74] ip6_route_info_create+0xf18/0x17d0 [ 718.250342][ T74] ip6_route_add+0x1c/0x140 [ 718.250342][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 718.250342][ T74] addrconf_add_dev+0xe2/0x170 [ 718.250342][ T74] inet6_addr_add+0x12f/0xa40 [ 718.250342][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 718.250342][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 718.250342][ T74] netlink_rcv_skb+0x130/0x360 [ 718.250342][ T74] netlink_unicast+0x449/0x710 [ 718.250342][ T74] netlink_sendmsg+0x723/0xbe0 [ 718.250342][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 718.250342][ T74] ___sys_sendmsg+0xee/0x170 [ 718.250342][ T74] __sys_sendmsg+0xcd/0x170 [ 718.250342][ T74] do_syscall_64+0xc6/0x1e0 [ 718.250342][ T74] [ 718.253236][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 718.253236][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 718.253236][ T74] ipv6_find_idev+0x102/0x170 [ 718.253236][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 718.253236][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 718.253236][ T74] netlink_rcv_skb+0x130/0x360 [ 718.253236][ T74] netlink_unicast+0x449/0x710 [ 718.253236][ T74] netlink_sendmsg+0x723/0xbe0 [ 718.253236][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 718.253236][ T74] ___sys_sendmsg+0xee/0x170 [ 718.253236][ T74] __sys_sendmsg+0xcd/0x170 [ 718.253236][ T74] do_syscall_64+0xc6/0x1e0 [ 718.253236][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 718.253236][ T74] [ 718.255389][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 718.255389][ T74] neigh_parms_alloc+0x1e5/0x510 [ 718.255389][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 718.255389][ T74] ipv6_find_idev+0x102/0x170 [ 718.255389][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 718.255389][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 718.255389][ T74] netlink_rcv_skb+0x130/0x360 [ 718.255389][ T74] netlink_unicast+0x449/0x710 [ 718.255389][ T74] netlink_sendmsg+0x723/0xbe0 [ 718.255389][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 718.255389][ T74] ___sys_sendmsg+0xee/0x170 [ 718.255389][ T74] __sys_sendmsg+0xcd/0x170 [ 718.255389][ T74] do_syscall_64+0xc6/0x1e0 [ 718.255389][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 718.255389][ T74] [ 718.257864][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 718.258210][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 718.258210][ T74] dst_init+0x84/0x4a0 [ 718.258210][ T74] dst_alloc+0x97/0x150 [ 718.258210][ T74] ip6_dst_alloc+0x23/0x90 [ 718.258210][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 718.258210][ T74] ip6_pol_route+0x56f/0x840 [ 718.258210][ T74] fib6_rule_lookup+0x456/0x630 [ 718.258210][ T74] ip6_route_input+0x59c/0xa50 [ 718.258210][ T74] ipv6_rcv+0x397/0x810 [ 718.258210][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 718.258210][ T74] process_backlog+0x101/0x620 [ 718.258210][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 718.258210][ T74] net_rx_action+0x495/0xbe0 [ 718.258210][ T74] __do_softirq+0x1b5/0x7f6 [ 718.258210][ T74] [ 718.260470][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 718.260470][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 718.260470][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 718.260470][ T74] fib6_nh_init+0xa22/0x1580 [ 718.260470][ T74] ip6_route_info_create+0xf18/0x17d0 [ 718.260470][ T74] ip6_route_add+0x1c/0x140 [ 718.260470][ T74] inet6_rtm_newroute+0x104/0x110 [ 718.260470][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 718.260470][ T74] netlink_rcv_skb+0x130/0x360 [ 718.260470][ T74] netlink_unicast+0x449/0x710 [ 718.260470][ T74] netlink_sendmsg+0x723/0xbe0 [ 718.260470][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 718.260470][ T74] ___sys_sendmsg+0xee/0x170 [ 718.260470][ T74] __sys_sendmsg+0xcd/0x170 [ 718.260470][ T74] do_syscall_64+0xc6/0x1e0 [ 718.260470][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 718.260470][ T74] [ 718.262996][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 718.262996][ T74] netdev_get_by_index+0x5e/0x80 [ 718.262996][ T74] fib6_nh_init+0x3d8/0x1580 [ 718.262996][ T74] ip6_route_info_create+0xf18/0x17d0 [ 718.262996][ T74] addrconf_f6i_alloc+0x265/0x560 [ 718.262996][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 718.262996][ T74] addrconf_join_anycast+0x1c0/0x220 [ 718.262996][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 718.262996][ T74] addrconf_dad_completed+0x12b/0xe20 [ 718.262996][ T74] addrconf_dad_begin+0x310/0x670 [ 718.262996][ T74] addrconf_dad_work+0x10b/0xab0 [ 718.262996][ T74] process_one_work+0x84d/0x18a0 [ 718.262996][ T74] worker_thread+0x587/0xd30 [ 718.262996][ T74] kthread+0x28a/0x350 [ 718.262996][ T74] ret_from_fork+0x31/0x70 [ 718.262996][ T74] ret_from_fork_asm+0x1a/0x30 [ 718.262996][ T74] [ 718.265468][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 718.265468][ T74] netdev_get_by_index+0x5e/0x80 [ 718.265468][ T74] fib6_nh_init+0x3d8/0x1580 [ 718.265468][ T74] ip6_route_info_create+0xf18/0x17d0 [ 718.265468][ T74] ip6_route_add+0x1c/0x140 [ 718.265468][ T74] addrconf_prefix_route+0x2a6/0x430 [ 718.265468][ T74] inet6_addr_add+0x4f8/0xa40 [ 718.265468][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 718.265468][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 718.265468][ T74] netlink_rcv_skb+0x130/0x360 [ 718.265468][ T74] netlink_unicast+0x449/0x710 [ 718.265468][ T74] netlink_sendmsg+0x723/0xbe0 [ 718.265468][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 718.265468][ T74] ___sys_sendmsg+0xee/0x170 [ 718.265468][ T74] __sys_sendmsg+0xcd/0x170 [ 718.265468][ T74] do_syscall_64+0xc6/0x1e0 [ 718.265468][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 718.265468][ T74] [ 718.268128][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 718.268128][ T74] netdev_get_by_index+0x5e/0x80 [ 718.268128][ T74] fib6_nh_init+0x3d8/0x1580 [ 718.268128][ T74] ip6_route_info_create+0xf18/0x17d0 [ 718.268128][ T74] addrconf_f6i_alloc+0x315/0x560 [ 718.268128][ T74] ipv6_add_addr+0x411/0x2000 [ 718.268128][ T74] inet6_addr_add+0x30e/0xa40 [ 718.268128][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 718.268128][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 718.268128][ T74] netlink_rcv_skb+0x130/0x360 [ 718.268128][ T74] netlink_unicast+0x449/0x710 [ 718.268128][ T74] netlink_sendmsg+0x723/0xbe0 [ 718.268128][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 718.268128][ T74] ___sys_sendmsg+0xee/0x170 [ 718.268128][ T74] __sys_sendmsg+0xcd/0x170 [ 718.268128][ T74] do_syscall_64+0xc6/0x1e0 [ 718.268128][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 718.268128][ T74] [ 718.270802][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 718.270802][ T74] netdev_get_by_index+0x5e/0x80 [ 718.270802][ T74] fib6_nh_init+0x3d8/0x1580 [ 718.270802][ T74] ip6_route_info_create+0xf18/0x17d0 [ 718.270802][ T74] ip6_route_add+0x1c/0x140 [ 718.270802][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 718.270802][ T74] addrconf_add_dev+0xe2/0x170 [ 718.270802][ T74] inet6_addr_add+0x12f/0xa40 [ 718.270802][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 718.270802][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 718.270802][ T74] netlink_rcv_skb+0x130/0x360 [ 718.270802][ T74] netlink_unicast+0x449/0x710 [ 718.270802][ T74] netlink_sendmsg+0x723/0xbe0 [ 718.270802][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 718.270802][ T74] ___sys_sendmsg+0xee/0x170 [ 718.270802][ T74] __sys_sendmsg+0xcd/0x170 [ 718.270802][ T74] do_syscall_64+0xc6/0x1e0 [ 718.270802][ T74] [ 718.273766][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 718.273766][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 718.273766][ T74] ipv6_find_idev+0x102/0x170 [ 718.273766][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 718.273766][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 718.273766][ T74] netlink_rcv_skb+0x130/0x360 [ 718.273766][ T74] netlink_unicast+0x449/0x710 [ 718.273766][ T74] netlink_sendmsg+0x723/0xbe0 [ 718.273766][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 718.273766][ T74] ___sys_sendmsg+0xee/0x170 [ 718.273766][ T74] __sys_sendmsg+0xcd/0x170 [ 718.273766][ T74] do_syscall_64+0xc6/0x1e0 [ 718.273766][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 718.273766][ T74] [ 718.275882][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 718.275882][ T74] neigh_parms_alloc+0x1e5/0x510 [ 718.275882][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 718.275882][ T74] ipv6_find_idev+0x102/0x170 [ 718.275882][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 718.275882][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 718.275882][ T74] netlink_rcv_skb+0x130/0x360 [ 718.275882][ T74] netlink_unicast+0x449/0x710 [ 718.275882][ T74] netlink_sendmsg+0x723/0xbe0 [ 718.275882][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 718.275882][ T74] ___sys_sendmsg+0xee/0x170 [ 718.275882][ T74] __sys_sendmsg+0xcd/0x170 [ 718.275882][ T74] do_syscall_64+0xc6/0x1e0 [ 718.275882][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 718.275882][ T74] [ 718.278357][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 718.278657][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 718.278657][ T74] netdev_get_by_index+0x5e/0x80 [ 718.278657][ T74] fib6_nh_init+0x3d8/0x1580 [ 718.278657][ T74] ip6_route_info_create+0xf18/0x17d0 [ 718.278657][ T74] ip6_route_add+0x1c/0x140 [ 718.278657][ T74] addrconf_prefix_route+0x2a6/0x430 [ 718.278657][ T74] inet6_addr_add+0x4f8/0xa40 [ 718.278657][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 718.278657][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 718.278657][ T74] netlink_rcv_skb+0x130/0x360 [ 718.278657][ T74] netlink_unicast+0x449/0x710 [ 718.278657][ T74] netlink_sendmsg+0x723/0xbe0 [ 718.278657][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 718.278657][ T74] ___sys_sendmsg+0xee/0x170 [ 718.278657][ T74] __sys_sendmsg+0xcd/0x170 [ 718.278657][ T74] do_syscall_64+0xc6/0x1e0 [ 718.278657][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 718.278657][ T74] [ 718.281371][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 718.281371][ T74] netdev_get_by_index+0x5e/0x80 [ 718.281371][ T74] fib6_nh_init+0x3d8/0x1580 [ 718.281371][ T74] ip6_route_info_create+0xf18/0x17d0 [ 718.281371][ T74] addrconf_f6i_alloc+0x315/0x560 [ 718.281371][ T74] ipv6_add_addr+0x411/0x2000 [ 718.281371][ T74] inet6_addr_add+0x30e/0xa40 [ 718.281371][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 718.281371][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 718.281371][ T74] netlink_rcv_skb+0x130/0x360 [ 718.281371][ T74] netlink_unicast+0x449/0x710 [ 718.281371][ T74] netlink_sendmsg+0x723/0xbe0 [ 718.281371][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 718.281371][ T74] ___sys_sendmsg+0xee/0x170 [ 718.281371][ T74] __sys_sendmsg+0xcd/0x170 [ 718.281371][ T74] do_syscall_64+0xc6/0x1e0 [ 718.281371][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 718.281371][ T74] [ 718.284129][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 718.284129][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 718.284129][ T74] ipv6_find_idev+0x102/0x170 [ 718.284129][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 718.284129][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 718.284129][ T74] netlink_rcv_skb+0x130/0x360 [ 718.284129][ T74] netlink_unicast+0x449/0x710 [ 718.284129][ T74] netlink_sendmsg+0x723/0xbe0 [ 718.284129][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 718.284129][ T74] ___sys_sendmsg+0xee/0x170 [ 718.284129][ T74] __sys_sendmsg+0xcd/0x170 [ 718.284129][ T74] do_syscall_64+0xc6/0x1e0 [ 718.284129][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 718.284129][ T74] [ 718.286198][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 718.286198][ T74] neigh_parms_alloc+0x1e5/0x510 [ 718.286198][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 718.286198][ T74] ipv6_find_idev+0x102/0x170 [ 718.286198][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 718.286198][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 718.286198][ T74] netlink_rcv_skb+0x130/0x360 [ 718.286198][ T74] netlink_unicast+0x449/0x710 [ 718.286198][ T74] netlink_sendmsg+0x723/0xbe0 [ 718.286198][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 718.286198][ T74] ___sys_sendmsg+0xee/0x170 [ 718.286198][ T74] __sys_sendmsg+0xcd/0x170 [ 718.286198][ T74] do_syscall_64+0xc6/0x1e0 [ 718.286198][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 718.286198][ T74] [ 728.455905][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 728.456312][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 728.456312][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 728.456312][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 728.456312][ T74] fib6_nh_init+0xa22/0x1580 [ 728.456312][ T74] ip6_route_info_create+0xf18/0x17d0 [ 728.456312][ T74] ip6_route_add+0x1c/0x140 [ 728.456312][ T74] inet6_rtm_newroute+0x104/0x110 [ 728.456312][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 728.456312][ T74] netlink_rcv_skb+0x130/0x360 [ 728.456312][ T74] netlink_unicast+0x449/0x710 [ 728.456312][ T74] netlink_sendmsg+0x723/0xbe0 [ 728.456312][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 728.456312][ T74] ___sys_sendmsg+0xee/0x170 [ 728.456312][ T74] __sys_sendmsg+0xcd/0x170 [ 728.456312][ T74] do_syscall_64+0xc6/0x1e0 [ 728.456312][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 728.456312][ T74] [ 728.458635][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 728.458635][ T74] netdev_get_by_index+0x5e/0x80 [ 728.458635][ T74] fib6_nh_init+0x3d8/0x1580 [ 728.458635][ T74] ip6_route_info_create+0xf18/0x17d0 [ 728.458635][ T74] addrconf_f6i_alloc+0x265/0x560 [ 728.458635][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 728.458635][ T74] addrconf_join_anycast+0x1c0/0x220 [ 728.458635][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 728.458635][ T74] addrconf_dad_completed+0x12b/0xe20 [ 728.458635][ T74] addrconf_dad_begin+0x310/0x670 [ 728.458635][ T74] addrconf_dad_work+0x10b/0xab0 [ 728.458635][ T74] process_one_work+0x84d/0x18a0 [ 728.458635][ T74] worker_thread+0x587/0xd30 [ 728.458635][ T74] kthread+0x28a/0x350 [ 728.458635][ T74] ret_from_fork+0x31/0x70 [ 728.458635][ T74] ret_from_fork_asm+0x1a/0x30 [ 728.458635][ T74] [ 728.461053][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 728.461053][ T74] netdev_get_by_index+0x5e/0x80 [ 728.461053][ T74] fib6_nh_init+0x3d8/0x1580 [ 728.461053][ T74] ip6_route_info_create+0xf18/0x17d0 [ 728.461053][ T74] ip6_route_add+0x1c/0x140 [ 728.461053][ T74] addrconf_prefix_route+0x2a6/0x430 [ 728.461053][ T74] inet6_addr_add+0x4f8/0xa40 [ 728.461053][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 728.461053][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 728.461053][ T74] netlink_rcv_skb+0x130/0x360 [ 728.461053][ T74] netlink_unicast+0x449/0x710 [ 728.461053][ T74] netlink_sendmsg+0x723/0xbe0 [ 728.461053][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 728.461053][ T74] ___sys_sendmsg+0xee/0x170 [ 728.461053][ T74] __sys_sendmsg+0xcd/0x170 [ 728.461053][ T74] do_syscall_64+0xc6/0x1e0 [ 728.461053][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 728.461053][ T74] [ 728.463512][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 728.463512][ T74] netdev_get_by_index+0x5e/0x80 [ 728.463512][ T74] fib6_nh_init+0x3d8/0x1580 [ 728.463512][ T74] ip6_route_info_create+0xf18/0x17d0 [ 728.463512][ T74] addrconf_f6i_alloc+0x315/0x560 [ 728.463512][ T74] ipv6_add_addr+0x411/0x2000 [ 728.463512][ T74] inet6_addr_add+0x30e/0xa40 [ 728.463512][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 728.463512][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 728.463512][ T74] netlink_rcv_skb+0x130/0x360 [ 728.463512][ T74] netlink_unicast+0x449/0x710 [ 728.463512][ T74] netlink_sendmsg+0x723/0xbe0 [ 728.463512][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 728.463512][ T74] ___sys_sendmsg+0xee/0x170 [ 728.463512][ T74] __sys_sendmsg+0xcd/0x170 [ 728.463512][ T74] do_syscall_64+0xc6/0x1e0 [ 728.463512][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 728.463512][ T74] [ 728.466040][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 728.466040][ T74] netdev_get_by_index+0x5e/0x80 [ 728.466040][ T74] fib6_nh_init+0x3d8/0x1580 [ 728.466040][ T74] ip6_route_info_create+0xf18/0x17d0 [ 728.466040][ T74] ip6_route_add+0x1c/0x140 [ 728.466040][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 728.466040][ T74] addrconf_add_dev+0xe2/0x170 [ 728.466040][ T74] inet6_addr_add+0x12f/0xa40 [ 728.466040][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 728.466040][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 728.466040][ T74] netlink_rcv_skb+0x130/0x360 [ 728.466040][ T74] netlink_unicast+0x449/0x710 [ 728.466040][ T74] netlink_sendmsg+0x723/0xbe0 [ 728.466040][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 728.466040][ T74] ___sys_sendmsg+0xee/0x170 [ 728.466040][ T74] __sys_sendmsg+0xcd/0x170 [ 728.466040][ T74] do_syscall_64+0xc6/0x1e0 [ 728.466040][ T74] [ 728.468344][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 728.468344][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 728.468344][ T74] ipv6_find_idev+0x102/0x170 [ 728.468344][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 728.468344][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 728.468344][ T74] netlink_rcv_skb+0x130/0x360 [ 728.468344][ T74] netlink_unicast+0x449/0x710 [ 728.468344][ T74] netlink_sendmsg+0x723/0xbe0 [ 728.468344][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 728.468344][ T74] ___sys_sendmsg+0xee/0x170 [ 728.468344][ T74] __sys_sendmsg+0xcd/0x170 [ 728.468344][ T74] do_syscall_64+0xc6/0x1e0 [ 728.468344][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 728.468344][ T74] [ 728.470235][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 728.470235][ T74] neigh_parms_alloc+0x1e5/0x510 [ 728.470235][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 728.470235][ T74] ipv6_find_idev+0x102/0x170 [ 728.470235][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 728.470235][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 728.470235][ T74] netlink_rcv_skb+0x130/0x360 [ 728.470235][ T74] netlink_unicast+0x449/0x710 [ 728.470235][ T74] netlink_sendmsg+0x723/0xbe0 [ 728.470235][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 728.470235][ T74] ___sys_sendmsg+0xee/0x170 [ 728.470235][ T74] __sys_sendmsg+0xcd/0x170 [ 728.470235][ T74] do_syscall_64+0xc6/0x1e0 [ 728.470235][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 728.470235][ T74] [ 728.472267][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 728.472604][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 728.472604][ T74] dst_init+0x84/0x4a0 [ 728.472604][ T74] dst_alloc+0x97/0x150 [ 728.472604][ T74] ip6_dst_alloc+0x23/0x90 [ 728.472604][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 728.472604][ T74] ip6_pol_route+0x56f/0x840 [ 728.472604][ T74] fib6_rule_lookup+0x456/0x630 [ 728.472604][ T74] ip6_route_input+0x59c/0xa50 [ 728.472604][ T74] ipv6_rcv+0x397/0x810 [ 728.472604][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 728.472604][ T74] process_backlog+0x101/0x620 [ 728.472604][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 728.472604][ T74] net_rx_action+0x495/0xbe0 [ 728.472604][ T74] __do_softirq+0x1b5/0x7f6 [ 728.472604][ T74] [ 728.474583][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 728.474583][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 728.474583][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 728.474583][ T74] fib6_nh_init+0xa22/0x1580 [ 728.474583][ T74] ip6_route_info_create+0xf18/0x17d0 [ 728.474583][ T74] ip6_route_add+0x1c/0x140 [ 728.474583][ T74] inet6_rtm_newroute+0x104/0x110 [ 728.474583][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 728.474583][ T74] netlink_rcv_skb+0x130/0x360 [ 728.474583][ T74] netlink_unicast+0x449/0x710 [ 728.474583][ T74] netlink_sendmsg+0x723/0xbe0 [ 728.474583][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 728.474583][ T74] ___sys_sendmsg+0xee/0x170 [ 728.474583][ T74] __sys_sendmsg+0xcd/0x170 [ 728.474583][ T74] do_syscall_64+0xc6/0x1e0 [ 728.474583][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 728.474583][ T74] [ 728.477057][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 728.477057][ T74] netdev_get_by_index+0x5e/0x80 [ 728.477057][ T74] fib6_nh_init+0x3d8/0x1580 [ 728.477057][ T74] ip6_route_info_create+0xf18/0x17d0 [ 728.477057][ T74] addrconf_f6i_alloc+0x265/0x560 [ 728.477057][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 728.477057][ T74] addrconf_join_anycast+0x1c0/0x220 [ 728.477057][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 728.477057][ T74] addrconf_dad_completed+0x12b/0xe20 [ 728.477057][ T74] addrconf_dad_begin+0x310/0x670 [ 728.477057][ T74] addrconf_dad_work+0x10b/0xab0 [ 728.477057][ T74] process_one_work+0x84d/0x18a0 [ 728.477057][ T74] worker_thread+0x587/0xd30 [ 728.477057][ T74] kthread+0x28a/0x350 [ 728.477057][ T74] ret_from_fork+0x31/0x70 [ 728.477057][ T74] ret_from_fork_asm+0x1a/0x30 [ 728.477057][ T74] [ 728.479711][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 728.479711][ T74] netdev_get_by_index+0x5e/0x80 [ 728.479711][ T74] fib6_nh_init+0x3d8/0x1580 [ 728.479711][ T74] ip6_route_info_create+0xf18/0x17d0 [ 728.479711][ T74] ip6_route_add+0x1c/0x140 [ 728.479711][ T74] addrconf_prefix_route+0x2a6/0x430 [ 728.479711][ T74] inet6_addr_add+0x4f8/0xa40 [ 728.479711][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 728.479711][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 728.479711][ T74] netlink_rcv_skb+0x130/0x360 [ 728.479711][ T74] netlink_unicast+0x449/0x710 [ 728.479711][ T74] netlink_sendmsg+0x723/0xbe0 [ 728.479711][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 728.479711][ T74] ___sys_sendmsg+0xee/0x170 [ 728.479711][ T74] __sys_sendmsg+0xcd/0x170 [ 728.479711][ T74] do_syscall_64+0xc6/0x1e0 [ 728.479711][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 728.479711][ T74] [ 728.482611][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 728.482611][ T74] netdev_get_by_index+0x5e/0x80 [ 728.482611][ T74] fib6_nh_init+0x3d8/0x1580 [ 728.482611][ T74] ip6_route_info_create+0xf18/0x17d0 [ 728.482611][ T74] addrconf_f6i_alloc+0x315/0x560 [ 728.482611][ T74] ipv6_add_addr+0x411/0x2000 [ 728.482611][ T74] inet6_addr_add+0x30e/0xa40 [ 728.482611][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 728.482611][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 728.482611][ T74] netlink_rcv_skb+0x130/0x360 [ 728.482611][ T74] netlink_unicast+0x449/0x710 [ 728.482611][ T74] netlink_sendmsg+0x723/0xbe0 [ 728.482611][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 728.482611][ T74] ___sys_sendmsg+0xee/0x170 [ 728.482611][ T74] __sys_sendmsg+0xcd/0x170 [ 728.482611][ T74] do_syscall_64+0xc6/0x1e0 [ 728.482611][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 728.482611][ T74] [ 728.485278][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 728.485278][ T74] netdev_get_by_index+0x5e/0x80 [ 728.485278][ T74] fib6_nh_init+0x3d8/0x1580 [ 728.485278][ T74] ip6_route_info_create+0xf18/0x17d0 [ 728.485278][ T74] ip6_route_add+0x1c/0x140 [ 728.485278][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 728.485278][ T74] addrconf_add_dev+0xe2/0x170 [ 728.485278][ T74] inet6_addr_add+0x12f/0xa40 [ 728.485278][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 728.485278][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 728.485278][ T74] netlink_rcv_skb+0x130/0x360 [ 728.485278][ T74] netlink_unicast+0x449/0x710 [ 728.485278][ T74] netlink_sendmsg+0x723/0xbe0 [ 728.485278][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 728.485278][ T74] ___sys_sendmsg+0xee/0x170 [ 728.485278][ T74] __sys_sendmsg+0xcd/0x170 [ 728.485278][ T74] do_syscall_64+0xc6/0x1e0 [ 728.485278][ T74] [ 728.488036][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 728.488036][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 728.488036][ T74] ipv6_find_idev+0x102/0x170 [ 728.488036][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 728.488036][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 728.488036][ T74] netlink_rcv_skb+0x130/0x360 [ 728.488036][ T74] netlink_unicast+0x449/0x710 [ 728.488036][ T74] netlink_sendmsg+0x723/0xbe0 [ 728.488036][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 728.488036][ T74] ___sys_sendmsg+0xee/0x170 [ 728.488036][ T74] __sys_sendmsg+0xcd/0x170 [ 728.488036][ T74] do_syscall_64+0xc6/0x1e0 [ 728.488036][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 728.488036][ T74] [ 728.490268][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 728.490268][ T74] neigh_parms_alloc+0x1e5/0x510 [ 728.490268][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 728.490268][ T74] ipv6_find_idev+0x102/0x170 [ 728.490268][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 728.490268][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 728.490268][ T74] netlink_rcv_skb+0x130/0x360 [ 728.490268][ T74] netlink_unicast+0x449/0x710 [ 728.490268][ T74] netlink_sendmsg+0x723/0xbe0 [ 728.490268][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 728.490268][ T74] ___sys_sendmsg+0xee/0x170 [ 728.490268][ T74] __sys_sendmsg+0xcd/0x170 [ 728.490268][ T74] do_syscall_64+0xc6/0x1e0 [ 728.490268][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 728.490268][ T74] [ 728.492464][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 728.492862][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 728.492862][ T74] netdev_get_by_index+0x5e/0x80 [ 728.492862][ T74] fib6_nh_init+0x3d8/0x1580 [ 728.492862][ T74] ip6_route_info_create+0xf18/0x17d0 [ 728.492862][ T74] ip6_route_add+0x1c/0x140 [ 728.492862][ T74] addrconf_prefix_route+0x2a6/0x430 [ 728.492862][ T74] inet6_addr_add+0x4f8/0xa40 [ 728.492862][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 728.492862][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 728.492862][ T74] netlink_rcv_skb+0x130/0x360 [ 728.492862][ T74] netlink_unicast+0x449/0x710 [ 728.492862][ T74] netlink_sendmsg+0x723/0xbe0 [ 728.492862][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 728.492862][ T74] ___sys_sendmsg+0xee/0x170 [ 728.492862][ T74] __sys_sendmsg+0xcd/0x170 [ 728.492862][ T74] do_syscall_64+0xc6/0x1e0 [ 728.492862][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 728.492862][ T74] [ 728.495236][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 728.495236][ T74] netdev_get_by_index+0x5e/0x80 [ 728.495236][ T74] fib6_nh_init+0x3d8/0x1580 [ 728.495236][ T74] ip6_route_info_create+0xf18/0x17d0 [ 728.495236][ T74] addrconf_f6i_alloc+0x315/0x560 [ 728.495236][ T74] ipv6_add_addr+0x411/0x2000 [ 728.495236][ T74] inet6_addr_add+0x30e/0xa40 [ 728.495236][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 728.495236][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 728.495236][ T74] netlink_rcv_skb+0x130/0x360 [ 728.495236][ T74] netlink_unicast+0x449/0x710 [ 728.495236][ T74] netlink_sendmsg+0x723/0xbe0 [ 728.495236][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 728.495236][ T74] ___sys_sendmsg+0xee/0x170 [ 728.495236][ T74] __sys_sendmsg+0xcd/0x170 [ 728.495236][ T74] do_syscall_64+0xc6/0x1e0 [ 728.495236][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 728.495236][ T74] [ 728.497834][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 728.497834][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 728.497834][ T74] ipv6_find_idev+0x102/0x170 [ 728.497834][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 728.497834][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 728.497834][ T74] netlink_rcv_skb+0x130/0x360 [ 728.497834][ T74] netlink_unicast+0x449/0x710 [ 728.497834][ T74] netlink_sendmsg+0x723/0xbe0 [ 728.497834][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 728.497834][ T74] ___sys_sendmsg+0xee/0x170 [ 728.497834][ T74] __sys_sendmsg+0xcd/0x170 [ 728.497834][ T74] do_syscall_64+0xc6/0x1e0 [ 728.497834][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 728.497834][ T74] [ 728.499882][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 728.499882][ T74] neigh_parms_alloc+0x1e5/0x510 [ 728.499882][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 728.499882][ T74] ipv6_find_idev+0x102/0x170 [ 728.499882][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 728.499882][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 728.499882][ T74] netlink_rcv_skb+0x130/0x360 [ 728.499882][ T74] netlink_unicast+0x449/0x710 [ 728.499882][ T74] netlink_sendmsg+0x723/0xbe0 [ 728.499882][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 728.499882][ T74] ___sys_sendmsg+0xee/0x170 [ 728.499882][ T74] __sys_sendmsg+0xcd/0x170 [ 728.499882][ T74] do_syscall_64+0xc6/0x1e0 [ 728.499882][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 728.499882][ T74] [ 738.615898][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 738.616439][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 738.616439][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 738.616439][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 738.616439][ T74] fib6_nh_init+0xa22/0x1580 [ 738.616439][ T74] ip6_route_info_create+0xf18/0x17d0 [ 738.616439][ T74] ip6_route_add+0x1c/0x140 [ 738.616439][ T74] inet6_rtm_newroute+0x104/0x110 [ 738.616439][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 738.616439][ T74] netlink_rcv_skb+0x130/0x360 [ 738.616439][ T74] netlink_unicast+0x449/0x710 [ 738.616439][ T74] netlink_sendmsg+0x723/0xbe0 [ 738.616439][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 738.616439][ T74] ___sys_sendmsg+0xee/0x170 [ 738.616439][ T74] __sys_sendmsg+0xcd/0x170 [ 738.616439][ T74] do_syscall_64+0xc6/0x1e0 [ 738.616439][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 738.616439][ T74] [ 738.619711][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 738.619711][ T74] netdev_get_by_index+0x5e/0x80 [ 738.619711][ T74] fib6_nh_init+0x3d8/0x1580 [ 738.619711][ T74] ip6_route_info_create+0xf18/0x17d0 [ 738.619711][ T74] addrconf_f6i_alloc+0x265/0x560 [ 738.619711][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 738.619711][ T74] addrconf_join_anycast+0x1c0/0x220 [ 738.619711][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 738.619711][ T74] addrconf_dad_completed+0x12b/0xe20 [ 738.619711][ T74] addrconf_dad_begin+0x310/0x670 [ 738.619711][ T74] addrconf_dad_work+0x10b/0xab0 [ 738.619711][ T74] process_one_work+0x84d/0x18a0 [ 738.619711][ T74] worker_thread+0x587/0xd30 [ 738.619711][ T74] kthread+0x28a/0x350 [ 738.619711][ T74] ret_from_fork+0x31/0x70 [ 738.619711][ T74] ret_from_fork_asm+0x1a/0x30 [ 738.619711][ T74] [ 738.623023][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 738.623023][ T74] netdev_get_by_index+0x5e/0x80 [ 738.623023][ T74] fib6_nh_init+0x3d8/0x1580 [ 738.623023][ T74] ip6_route_info_create+0xf18/0x17d0 [ 738.623023][ T74] ip6_route_add+0x1c/0x140 [ 738.623023][ T74] addrconf_prefix_route+0x2a6/0x430 [ 738.623023][ T74] inet6_addr_add+0x4f8/0xa40 [ 738.623023][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 738.623023][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 738.623023][ T74] netlink_rcv_skb+0x130/0x360 [ 738.623023][ T74] netlink_unicast+0x449/0x710 [ 738.623023][ T74] netlink_sendmsg+0x723/0xbe0 [ 738.623023][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 738.623023][ T74] ___sys_sendmsg+0xee/0x170 [ 738.623023][ T74] __sys_sendmsg+0xcd/0x170 [ 738.623023][ T74] do_syscall_64+0xc6/0x1e0 [ 738.623023][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 738.623023][ T74] [ 738.626509][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 738.626509][ T74] netdev_get_by_index+0x5e/0x80 [ 738.626509][ T74] fib6_nh_init+0x3d8/0x1580 [ 738.626509][ T74] ip6_route_info_create+0xf18/0x17d0 [ 738.626509][ T74] addrconf_f6i_alloc+0x315/0x560 [ 738.626509][ T74] ipv6_add_addr+0x411/0x2000 [ 738.626509][ T74] inet6_addr_add+0x30e/0xa40 [ 738.626509][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 738.626509][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 738.626509][ T74] netlink_rcv_skb+0x130/0x360 [ 738.626509][ T74] netlink_unicast+0x449/0x710 [ 738.626509][ T74] netlink_sendmsg+0x723/0xbe0 [ 738.626509][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 738.626509][ T74] ___sys_sendmsg+0xee/0x170 [ 738.626509][ T74] __sys_sendmsg+0xcd/0x170 [ 738.626509][ T74] do_syscall_64+0xc6/0x1e0 [ 738.626509][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 738.626509][ T74] [ 738.629927][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 738.629927][ T74] netdev_get_by_index+0x5e/0x80 [ 738.629927][ T74] fib6_nh_init+0x3d8/0x1580 [ 738.629927][ T74] ip6_route_info_create+0xf18/0x17d0 [ 738.629927][ T74] ip6_route_add+0x1c/0x140 [ 738.629927][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 738.629927][ T74] addrconf_add_dev+0xe2/0x170 [ 738.629927][ T74] inet6_addr_add+0x12f/0xa40 [ 738.629927][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 738.629927][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 738.629927][ T74] netlink_rcv_skb+0x130/0x360 [ 738.629927][ T74] netlink_unicast+0x449/0x710 [ 738.629927][ T74] netlink_sendmsg+0x723/0xbe0 [ 738.629927][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 738.629927][ T74] ___sys_sendmsg+0xee/0x170 [ 738.629927][ T74] __sys_sendmsg+0xcd/0x170 [ 738.629927][ T74] do_syscall_64+0xc6/0x1e0 [ 738.629927][ T74] [ 738.633341][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 738.633341][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 738.633341][ T74] ipv6_find_idev+0x102/0x170 [ 738.633341][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 738.633341][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 738.633341][ T74] netlink_rcv_skb+0x130/0x360 [ 738.633341][ T74] netlink_unicast+0x449/0x710 [ 738.633341][ T74] netlink_sendmsg+0x723/0xbe0 [ 738.633341][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 738.633341][ T74] ___sys_sendmsg+0xee/0x170 [ 738.633341][ T74] __sys_sendmsg+0xcd/0x170 [ 738.633341][ T74] do_syscall_64+0xc6/0x1e0 [ 738.633341][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 738.633341][ T74] [ 738.636013][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 738.636013][ T74] neigh_parms_alloc+0x1e5/0x510 [ 738.636013][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 738.636013][ T74] ipv6_find_idev+0x102/0x170 [ 738.636013][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 738.636013][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 738.636013][ T74] netlink_rcv_skb+0x130/0x360 [ 738.636013][ T74] netlink_unicast+0x449/0x710 [ 738.636013][ T74] netlink_sendmsg+0x723/0xbe0 [ 738.636013][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 738.636013][ T74] ___sys_sendmsg+0xee/0x170 [ 738.636013][ T74] __sys_sendmsg+0xcd/0x170 [ 738.636013][ T74] do_syscall_64+0xc6/0x1e0 [ 738.636013][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 738.636013][ T74] [ 738.638953][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 738.639424][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 738.639424][ T74] dst_init+0x84/0x4a0 [ 738.639424][ T74] dst_alloc+0x97/0x150 [ 738.639424][ T74] ip6_dst_alloc+0x23/0x90 [ 738.639424][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 738.639424][ T74] ip6_pol_route+0x56f/0x840 [ 738.639424][ T74] fib6_rule_lookup+0x456/0x630 [ 738.639424][ T74] ip6_route_input+0x59c/0xa50 [ 738.639424][ T74] ipv6_rcv+0x397/0x810 [ 738.639424][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 738.639424][ T74] process_backlog+0x101/0x620 [ 738.639424][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 738.639424][ T74] net_rx_action+0x495/0xbe0 [ 738.639424][ T74] __do_softirq+0x1b5/0x7f6 [ 738.639424][ T74] [ 738.642478][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 738.642478][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 738.642478][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 738.642478][ T74] fib6_nh_init+0xa22/0x1580 [ 738.642478][ T74] ip6_route_info_create+0xf18/0x17d0 [ 738.642478][ T74] ip6_route_add+0x1c/0x140 [ 738.642478][ T74] inet6_rtm_newroute+0x104/0x110 [ 738.642478][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 738.642478][ T74] netlink_rcv_skb+0x130/0x360 [ 738.642478][ T74] netlink_unicast+0x449/0x710 [ 738.642478][ T74] netlink_sendmsg+0x723/0xbe0 [ 738.642478][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 738.642478][ T74] ___sys_sendmsg+0xee/0x170 [ 738.642478][ T74] __sys_sendmsg+0xcd/0x170 [ 738.642478][ T74] do_syscall_64+0xc6/0x1e0 [ 738.642478][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 738.642478][ T74] [ 738.646094][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 738.646094][ T74] netdev_get_by_index+0x5e/0x80 [ 738.646094][ T74] fib6_nh_init+0x3d8/0x1580 [ 738.646094][ T74] ip6_route_info_create+0xf18/0x17d0 [ 738.646094][ T74] addrconf_f6i_alloc+0x265/0x560 [ 738.646094][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 738.646094][ T74] addrconf_join_anycast+0x1c0/0x220 [ 738.646094][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 738.646094][ T74] addrconf_dad_completed+0x12b/0xe20 [ 738.646094][ T74] addrconf_dad_begin+0x310/0x670 [ 738.646094][ T74] addrconf_dad_work+0x10b/0xab0 [ 738.646094][ T74] process_one_work+0x84d/0x18a0 [ 738.646094][ T74] worker_thread+0x587/0xd30 [ 738.646094][ T74] kthread+0x28a/0x350 [ 738.646094][ T74] ret_from_fork+0x31/0x70 [ 738.646094][ T74] ret_from_fork_asm+0x1a/0x30 [ 738.646094][ T74] [ 738.649879][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 738.649879][ T74] netdev_get_by_index+0x5e/0x80 [ 738.649879][ T74] fib6_nh_init+0x3d8/0x1580 [ 738.649879][ T74] ip6_route_info_create+0xf18/0x17d0 [ 738.649879][ T74] ip6_route_add+0x1c/0x140 [ 738.649879][ T74] addrconf_prefix_route+0x2a6/0x430 [ 738.649879][ T74] inet6_addr_add+0x4f8/0xa40 [ 738.649879][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 738.649879][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 738.649879][ T74] netlink_rcv_skb+0x130/0x360 [ 738.649879][ T74] netlink_unicast+0x449/0x710 [ 738.649879][ T74] netlink_sendmsg+0x723/0xbe0 [ 738.649879][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 738.649879][ T74] ___sys_sendmsg+0xee/0x170 [ 738.649879][ T74] __sys_sendmsg+0xcd/0x170 [ 738.649879][ T74] do_syscall_64+0xc6/0x1e0 [ 738.649879][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 738.649879][ T74] [ 738.653797][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 738.653797][ T74] netdev_get_by_index+0x5e/0x80 [ 738.653797][ T74] fib6_nh_init+0x3d8/0x1580 [ 738.653797][ T74] ip6_route_info_create+0xf18/0x17d0 [ 738.653797][ T74] addrconf_f6i_alloc+0x315/0x560 [ 738.653797][ T74] ipv6_add_addr+0x411/0x2000 [ 738.653797][ T74] inet6_addr_add+0x30e/0xa40 [ 738.653797][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 738.653797][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 738.653797][ T74] netlink_rcv_skb+0x130/0x360 [ 738.653797][ T74] netlink_unicast+0x449/0x710 [ 738.653797][ T74] netlink_sendmsg+0x723/0xbe0 [ 738.653797][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 738.653797][ T74] ___sys_sendmsg+0xee/0x170 [ 738.653797][ T74] __sys_sendmsg+0xcd/0x170 [ 738.653797][ T74] do_syscall_64+0xc6/0x1e0 [ 738.653797][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 738.653797][ T74] [ 738.657581][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 738.657581][ T74] netdev_get_by_index+0x5e/0x80 [ 738.657581][ T74] fib6_nh_init+0x3d8/0x1580 [ 738.657581][ T74] ip6_route_info_create+0xf18/0x17d0 [ 738.657581][ T74] ip6_route_add+0x1c/0x140 [ 738.657581][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 738.657581][ T74] addrconf_add_dev+0xe2/0x170 [ 738.657581][ T74] inet6_addr_add+0x12f/0xa40 [ 738.657581][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 738.657581][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 738.657581][ T74] netlink_rcv_skb+0x130/0x360 [ 738.657581][ T74] netlink_unicast+0x449/0x710 [ 738.657581][ T74] netlink_sendmsg+0x723/0xbe0 [ 738.657581][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 738.657581][ T74] ___sys_sendmsg+0xee/0x170 [ 738.657581][ T74] __sys_sendmsg+0xcd/0x170 [ 738.657581][ T74] do_syscall_64+0xc6/0x1e0 [ 738.657581][ T74] [ 738.661245][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 738.661245][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 738.661245][ T74] ipv6_find_idev+0x102/0x170 [ 738.661245][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 738.661245][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 738.661245][ T74] netlink_rcv_skb+0x130/0x360 [ 738.661245][ T74] netlink_unicast+0x449/0x710 [ 738.661245][ T74] netlink_sendmsg+0x723/0xbe0 [ 738.661245][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 738.661245][ T74] ___sys_sendmsg+0xee/0x170 [ 738.661245][ T74] __sys_sendmsg+0xcd/0x170 [ 738.661245][ T74] do_syscall_64+0xc6/0x1e0 [ 738.661245][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 738.661245][ T74] [ 738.664265][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 738.664265][ T74] neigh_parms_alloc+0x1e5/0x510 [ 738.664265][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 738.664265][ T74] ipv6_find_idev+0x102/0x170 [ 738.664265][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 738.664265][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 738.664265][ T74] netlink_rcv_skb+0x130/0x360 [ 738.664265][ T74] netlink_unicast+0x449/0x710 [ 738.664265][ T74] netlink_sendmsg+0x723/0xbe0 [ 738.664265][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 738.664265][ T74] ___sys_sendmsg+0xee/0x170 [ 738.664265][ T74] __sys_sendmsg+0xcd/0x170 [ 738.664265][ T74] do_syscall_64+0xc6/0x1e0 [ 738.664265][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 738.664265][ T74] [ 738.667532][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 738.667914][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 738.667914][ T74] netdev_get_by_index+0x5e/0x80 [ 738.667914][ T74] fib6_nh_init+0x3d8/0x1580 [ 738.667914][ T74] ip6_route_info_create+0xf18/0x17d0 [ 738.667914][ T74] ip6_route_add+0x1c/0x140 [ 738.667914][ T74] addrconf_prefix_route+0x2a6/0x430 [ 738.667914][ T74] inet6_addr_add+0x4f8/0xa40 [ 738.667914][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 738.667914][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 738.667914][ T74] netlink_rcv_skb+0x130/0x360 [ 738.667914][ T74] netlink_unicast+0x449/0x710 [ 738.667914][ T74] netlink_sendmsg+0x723/0xbe0 [ 738.667914][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 738.667914][ T74] ___sys_sendmsg+0xee/0x170 [ 738.667914][ T74] __sys_sendmsg+0xcd/0x170 [ 738.667914][ T74] do_syscall_64+0xc6/0x1e0 [ 738.667914][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 738.667914][ T74] [ 738.671711][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 738.671711][ T74] netdev_get_by_index+0x5e/0x80 [ 738.671711][ T74] fib6_nh_init+0x3d8/0x1580 [ 738.671711][ T74] ip6_route_info_create+0xf18/0x17d0 [ 738.671711][ T74] addrconf_f6i_alloc+0x315/0x560 [ 738.671711][ T74] ipv6_add_addr+0x411/0x2000 [ 738.671711][ T74] inet6_addr_add+0x30e/0xa40 [ 738.671711][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 738.671711][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 738.671711][ T74] netlink_rcv_skb+0x130/0x360 [ 738.671711][ T74] netlink_unicast+0x449/0x710 [ 738.671711][ T74] netlink_sendmsg+0x723/0xbe0 [ 738.671711][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 738.671711][ T74] ___sys_sendmsg+0xee/0x170 [ 738.671711][ T74] __sys_sendmsg+0xcd/0x170 [ 738.671711][ T74] do_syscall_64+0xc6/0x1e0 [ 738.671711][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 738.671711][ T74] [ 738.675723][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 738.675723][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 738.675723][ T74] ipv6_find_idev+0x102/0x170 [ 738.675723][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 738.675723][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 738.675723][ T74] netlink_rcv_skb+0x130/0x360 [ 738.675723][ T74] netlink_unicast+0x449/0x710 [ 738.675723][ T74] netlink_sendmsg+0x723/0xbe0 [ 738.675723][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 738.675723][ T74] ___sys_sendmsg+0xee/0x170 [ 738.675723][ T74] __sys_sendmsg+0xcd/0x170 [ 738.675723][ T74] do_syscall_64+0xc6/0x1e0 [ 738.675723][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 738.675723][ T74] [ 738.678606][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 738.678606][ T74] neigh_parms_alloc+0x1e5/0x510 [ 738.678606][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 738.678606][ T74] ipv6_find_idev+0x102/0x170 [ 738.678606][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 738.678606][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 738.678606][ T74] netlink_rcv_skb+0x130/0x360 [ 738.678606][ T74] netlink_unicast+0x449/0x710 [ 738.678606][ T74] netlink_sendmsg+0x723/0xbe0 [ 738.678606][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 738.678606][ T74] ___sys_sendmsg+0xee/0x170 [ 738.678606][ T74] __sys_sendmsg+0xcd/0x170 [ 738.678606][ T74] do_syscall_64+0xc6/0x1e0 [ 738.678606][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 738.678606][ T74] [ 748.840964][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 748.841321][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 748.841321][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 748.841321][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 748.841321][ T74] fib6_nh_init+0xa22/0x1580 [ 748.841321][ T74] ip6_route_info_create+0xf18/0x17d0 [ 748.841321][ T74] ip6_route_add+0x1c/0x140 [ 748.841321][ T74] inet6_rtm_newroute+0x104/0x110 [ 748.841321][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 748.841321][ T74] netlink_rcv_skb+0x130/0x360 [ 748.841321][ T74] netlink_unicast+0x449/0x710 [ 748.841321][ T74] netlink_sendmsg+0x723/0xbe0 [ 748.841321][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 748.841321][ T74] ___sys_sendmsg+0xee/0x170 [ 748.841321][ T74] __sys_sendmsg+0xcd/0x170 [ 748.841321][ T74] do_syscall_64+0xc6/0x1e0 [ 748.841321][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 748.841321][ T74] [ 748.843506][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 748.843506][ T74] netdev_get_by_index+0x5e/0x80 [ 748.843506][ T74] fib6_nh_init+0x3d8/0x1580 [ 748.843506][ T74] ip6_route_info_create+0xf18/0x17d0 [ 748.843506][ T74] addrconf_f6i_alloc+0x265/0x560 [ 748.843506][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 748.843506][ T74] addrconf_join_anycast+0x1c0/0x220 [ 748.843506][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 748.843506][ T74] addrconf_dad_completed+0x12b/0xe20 [ 748.843506][ T74] addrconf_dad_begin+0x310/0x670 [ 748.843506][ T74] addrconf_dad_work+0x10b/0xab0 [ 748.843506][ T74] process_one_work+0x84d/0x18a0 [ 748.843506][ T74] worker_thread+0x587/0xd30 [ 748.843506][ T74] kthread+0x28a/0x350 [ 748.843506][ T74] ret_from_fork+0x31/0x70 [ 748.843506][ T74] ret_from_fork_asm+0x1a/0x30 [ 748.843506][ T74] [ 748.845707][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 748.845707][ T74] netdev_get_by_index+0x5e/0x80 [ 748.845707][ T74] fib6_nh_init+0x3d8/0x1580 [ 748.845707][ T74] ip6_route_info_create+0xf18/0x17d0 [ 748.845707][ T74] ip6_route_add+0x1c/0x140 [ 748.845707][ T74] addrconf_prefix_route+0x2a6/0x430 [ 748.845707][ T74] inet6_addr_add+0x4f8/0xa40 [ 748.845707][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 748.845707][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 748.845707][ T74] netlink_rcv_skb+0x130/0x360 [ 748.845707][ T74] netlink_unicast+0x449/0x710 [ 748.845707][ T74] netlink_sendmsg+0x723/0xbe0 [ 748.845707][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 748.845707][ T74] ___sys_sendmsg+0xee/0x170 [ 748.845707][ T74] __sys_sendmsg+0xcd/0x170 [ 748.845707][ T74] do_syscall_64+0xc6/0x1e0 [ 748.845707][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 748.845707][ T74] [ 748.847978][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 748.847978][ T74] netdev_get_by_index+0x5e/0x80 [ 748.847978][ T74] fib6_nh_init+0x3d8/0x1580 [ 748.847978][ T74] ip6_route_info_create+0xf18/0x17d0 [ 748.847978][ T74] addrconf_f6i_alloc+0x315/0x560 [ 748.847978][ T74] ipv6_add_addr+0x411/0x2000 [ 748.847978][ T74] inet6_addr_add+0x30e/0xa40 [ 748.847978][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 748.847978][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 748.847978][ T74] netlink_rcv_skb+0x130/0x360 [ 748.847978][ T74] netlink_unicast+0x449/0x710 [ 748.847978][ T74] netlink_sendmsg+0x723/0xbe0 [ 748.847978][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 748.847978][ T74] ___sys_sendmsg+0xee/0x170 [ 748.847978][ T74] __sys_sendmsg+0xcd/0x170 [ 748.847978][ T74] do_syscall_64+0xc6/0x1e0 [ 748.847978][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 748.847978][ T74] [ 748.850288][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 748.850288][ T74] netdev_get_by_index+0x5e/0x80 [ 748.850288][ T74] fib6_nh_init+0x3d8/0x1580 [ 748.850288][ T74] ip6_route_info_create+0xf18/0x17d0 [ 748.850288][ T74] ip6_route_add+0x1c/0x140 [ 748.850288][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 748.850288][ T74] addrconf_add_dev+0xe2/0x170 [ 748.850288][ T74] inet6_addr_add+0x12f/0xa40 [ 748.850288][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 748.850288][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 748.850288][ T74] netlink_rcv_skb+0x130/0x360 [ 748.850288][ T74] netlink_unicast+0x449/0x710 [ 748.850288][ T74] netlink_sendmsg+0x723/0xbe0 [ 748.850288][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 748.850288][ T74] ___sys_sendmsg+0xee/0x170 [ 748.850288][ T74] __sys_sendmsg+0xcd/0x170 [ 748.850288][ T74] do_syscall_64+0xc6/0x1e0 [ 748.850288][ T74] [ 748.852624][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 748.852624][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 748.852624][ T74] ipv6_find_idev+0x102/0x170 [ 748.852624][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 748.852624][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 748.852624][ T74] netlink_rcv_skb+0x130/0x360 [ 748.852624][ T74] netlink_unicast+0x449/0x710 [ 748.852624][ T74] netlink_sendmsg+0x723/0xbe0 [ 748.852624][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 748.852624][ T74] ___sys_sendmsg+0xee/0x170 [ 748.852624][ T74] __sys_sendmsg+0xcd/0x170 [ 748.852624][ T74] do_syscall_64+0xc6/0x1e0 [ 748.852624][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 748.852624][ T74] [ 748.854489][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 748.854489][ T74] neigh_parms_alloc+0x1e5/0x510 [ 748.854489][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 748.854489][ T74] ipv6_find_idev+0x102/0x170 [ 748.854489][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 748.854489][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 748.854489][ T74] netlink_rcv_skb+0x130/0x360 [ 748.854489][ T74] netlink_unicast+0x449/0x710 [ 748.854489][ T74] netlink_sendmsg+0x723/0xbe0 [ 748.854489][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 748.854489][ T74] ___sys_sendmsg+0xee/0x170 [ 748.854489][ T74] __sys_sendmsg+0xcd/0x170 [ 748.854489][ T74] do_syscall_64+0xc6/0x1e0 [ 748.854489][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 748.854489][ T74] [ 748.856515][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 748.856845][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 748.856845][ T74] dst_init+0x84/0x4a0 [ 748.856845][ T74] dst_alloc+0x97/0x150 [ 748.856845][ T74] ip6_dst_alloc+0x23/0x90 [ 748.856845][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 748.856845][ T74] ip6_pol_route+0x56f/0x840 [ 748.856845][ T74] fib6_rule_lookup+0x456/0x630 [ 748.856845][ T74] ip6_route_input+0x59c/0xa50 [ 748.856845][ T74] ipv6_rcv+0x397/0x810 [ 748.856845][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 748.856845][ T74] process_backlog+0x101/0x620 [ 748.856845][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 748.856845][ T74] net_rx_action+0x495/0xbe0 [ 748.856845][ T74] __do_softirq+0x1b5/0x7f6 [ 748.856845][ T74] [ 748.858778][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 748.858778][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 748.858778][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 748.858778][ T74] fib6_nh_init+0xa22/0x1580 [ 748.858778][ T74] ip6_route_info_create+0xf18/0x17d0 [ 748.858778][ T74] ip6_route_add+0x1c/0x140 [ 748.858778][ T74] inet6_rtm_newroute+0x104/0x110 [ 748.858778][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 748.858778][ T74] netlink_rcv_skb+0x130/0x360 [ 748.858778][ T74] netlink_unicast+0x449/0x710 [ 748.858778][ T74] netlink_sendmsg+0x723/0xbe0 [ 748.858778][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 748.858778][ T74] ___sys_sendmsg+0xee/0x170 [ 748.858778][ T74] __sys_sendmsg+0xcd/0x170 [ 748.858778][ T74] do_syscall_64+0xc6/0x1e0 [ 748.858778][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 748.858778][ T74] [ 748.861002][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 748.861002][ T74] netdev_get_by_index+0x5e/0x80 [ 748.861002][ T74] fib6_nh_init+0x3d8/0x1580 [ 748.861002][ T74] ip6_route_info_create+0xf18/0x17d0 [ 748.861002][ T74] addrconf_f6i_alloc+0x265/0x560 [ 748.861002][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 748.861002][ T74] addrconf_join_anycast+0x1c0/0x220 [ 748.861002][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 748.861002][ T74] addrconf_dad_completed+0x12b/0xe20 [ 748.861002][ T74] addrconf_dad_begin+0x310/0x670 [ 748.861002][ T74] addrconf_dad_work+0x10b/0xab0 [ 748.861002][ T74] process_one_work+0x84d/0x18a0 [ 748.861002][ T74] worker_thread+0x587/0xd30 [ 748.861002][ T74] kthread+0x28a/0x350 [ 748.861002][ T74] ret_from_fork+0x31/0x70 [ 748.861002][ T74] ret_from_fork_asm+0x1a/0x30 [ 748.861002][ T74] [ 748.863209][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 748.863209][ T74] netdev_get_by_index+0x5e/0x80 [ 748.863209][ T74] fib6_nh_init+0x3d8/0x1580 [ 748.863209][ T74] ip6_route_info_create+0xf18/0x17d0 [ 748.863209][ T74] ip6_route_add+0x1c/0x140 [ 748.863209][ T74] addrconf_prefix_route+0x2a6/0x430 [ 748.863209][ T74] inet6_addr_add+0x4f8/0xa40 [ 748.863209][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 748.863209][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 748.863209][ T74] netlink_rcv_skb+0x130/0x360 [ 748.863209][ T74] netlink_unicast+0x449/0x710 [ 748.863209][ T74] netlink_sendmsg+0x723/0xbe0 [ 748.863209][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 748.863209][ T74] ___sys_sendmsg+0xee/0x170 [ 748.863209][ T74] __sys_sendmsg+0xcd/0x170 [ 748.863209][ T74] do_syscall_64+0xc6/0x1e0 [ 748.863209][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 748.863209][ T74] [ 748.865496][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 748.865496][ T74] netdev_get_by_index+0x5e/0x80 [ 748.865496][ T74] fib6_nh_init+0x3d8/0x1580 [ 748.865496][ T74] ip6_route_info_create+0xf18/0x17d0 [ 748.865496][ T74] addrconf_f6i_alloc+0x315/0x560 [ 748.865496][ T74] ipv6_add_addr+0x411/0x2000 [ 748.865496][ T74] inet6_addr_add+0x30e/0xa40 [ 748.865496][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 748.865496][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 748.865496][ T74] netlink_rcv_skb+0x130/0x360 [ 748.865496][ T74] netlink_unicast+0x449/0x710 [ 748.865496][ T74] netlink_sendmsg+0x723/0xbe0 [ 748.865496][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 748.865496][ T74] ___sys_sendmsg+0xee/0x170 [ 748.865496][ T74] __sys_sendmsg+0xcd/0x170 [ 748.865496][ T74] do_syscall_64+0xc6/0x1e0 [ 748.865496][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 748.865496][ T74] [ 748.867863][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 748.867863][ T74] netdev_get_by_index+0x5e/0x80 [ 748.867863][ T74] fib6_nh_init+0x3d8/0x1580 [ 748.867863][ T74] ip6_route_info_create+0xf18/0x17d0 [ 748.867863][ T74] ip6_route_add+0x1c/0x140 [ 748.867863][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 748.867863][ T74] addrconf_add_dev+0xe2/0x170 [ 748.867863][ T74] inet6_addr_add+0x12f/0xa40 [ 748.867863][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 748.867863][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 748.867863][ T74] netlink_rcv_skb+0x130/0x360 [ 748.867863][ T74] netlink_unicast+0x449/0x710 [ 748.867863][ T74] netlink_sendmsg+0x723/0xbe0 [ 748.867863][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 748.867863][ T74] ___sys_sendmsg+0xee/0x170 [ 748.867863][ T74] __sys_sendmsg+0xcd/0x170 [ 748.867863][ T74] do_syscall_64+0xc6/0x1e0 [ 748.867863][ T74] [ 748.870358][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 748.870358][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 748.870358][ T74] ipv6_find_idev+0x102/0x170 [ 748.870358][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 748.870358][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 748.870358][ T74] netlink_rcv_skb+0x130/0x360 [ 748.870358][ T74] netlink_unicast+0x449/0x710 [ 748.870358][ T74] netlink_sendmsg+0x723/0xbe0 [ 748.870358][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 748.870358][ T74] ___sys_sendmsg+0xee/0x170 [ 748.870358][ T74] __sys_sendmsg+0xcd/0x170 [ 748.870358][ T74] do_syscall_64+0xc6/0x1e0 [ 748.870358][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 748.870358][ T74] [ 748.872231][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 748.872231][ T74] neigh_parms_alloc+0x1e5/0x510 [ 748.872231][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 748.872231][ T74] ipv6_find_idev+0x102/0x170 [ 748.872231][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 748.872231][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 748.872231][ T74] netlink_rcv_skb+0x130/0x360 [ 748.872231][ T74] netlink_unicast+0x449/0x710 [ 748.872231][ T74] netlink_sendmsg+0x723/0xbe0 [ 748.872231][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 748.872231][ T74] ___sys_sendmsg+0xee/0x170 [ 748.872231][ T74] __sys_sendmsg+0xcd/0x170 [ 748.872231][ T74] do_syscall_64+0xc6/0x1e0 [ 748.872231][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 748.872231][ T74] [ 748.874340][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 748.874618][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 748.874618][ T74] netdev_get_by_index+0x5e/0x80 [ 748.874618][ T74] fib6_nh_init+0x3d8/0x1580 [ 748.874618][ T74] ip6_route_info_create+0xf18/0x17d0 [ 748.874618][ T74] ip6_route_add+0x1c/0x140 [ 748.874618][ T74] addrconf_prefix_route+0x2a6/0x430 [ 748.874618][ T74] inet6_addr_add+0x4f8/0xa40 [ 748.874618][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 748.874618][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 748.874618][ T74] netlink_rcv_skb+0x130/0x360 [ 748.874618][ T74] netlink_unicast+0x449/0x710 [ 748.874618][ T74] netlink_sendmsg+0x723/0xbe0 [ 748.874618][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 748.874618][ T74] ___sys_sendmsg+0xee/0x170 [ 748.874618][ T74] __sys_sendmsg+0xcd/0x170 [ 748.874618][ T74] do_syscall_64+0xc6/0x1e0 [ 748.874618][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 748.874618][ T74] [ 748.877221][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 748.877221][ T74] netdev_get_by_index+0x5e/0x80 [ 748.877221][ T74] fib6_nh_init+0x3d8/0x1580 [ 748.877221][ T74] ip6_route_info_create+0xf18/0x17d0 [ 748.877221][ T74] addrconf_f6i_alloc+0x315/0x560 [ 748.877221][ T74] ipv6_add_addr+0x411/0x2000 [ 748.877221][ T74] inet6_addr_add+0x30e/0xa40 [ 748.877221][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 748.877221][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 748.877221][ T74] netlink_rcv_skb+0x130/0x360 [ 748.877221][ T74] netlink_unicast+0x449/0x710 [ 748.877221][ T74] netlink_sendmsg+0x723/0xbe0 [ 748.877221][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 748.877221][ T74] ___sys_sendmsg+0xee/0x170 [ 748.877221][ T74] __sys_sendmsg+0xcd/0x170 [ 748.877221][ T74] do_syscall_64+0xc6/0x1e0 [ 748.877221][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 748.877221][ T74] [ 748.880046][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 748.880046][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 748.880046][ T74] ipv6_find_idev+0x102/0x170 [ 748.880046][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 748.880046][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 748.880046][ T74] netlink_rcv_skb+0x130/0x360 [ 748.880046][ T74] netlink_unicast+0x449/0x710 [ 748.880046][ T74] netlink_sendmsg+0x723/0xbe0 [ 748.880046][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 748.880046][ T74] ___sys_sendmsg+0xee/0x170 [ 748.880046][ T74] __sys_sendmsg+0xcd/0x170 [ 748.880046][ T74] do_syscall_64+0xc6/0x1e0 [ 748.880046][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 748.880046][ T74] [ 748.882205][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 748.882205][ T74] neigh_parms_alloc+0x1e5/0x510 [ 748.882205][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 748.882205][ T74] ipv6_find_idev+0x102/0x170 [ 748.882205][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 748.882205][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 748.882205][ T74] netlink_rcv_skb+0x130/0x360 [ 748.882205][ T74] netlink_unicast+0x449/0x710 [ 748.882205][ T74] netlink_sendmsg+0x723/0xbe0 [ 748.882205][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 748.882205][ T74] ___sys_sendmsg+0xee/0x170 [ 748.882205][ T74] __sys_sendmsg+0xcd/0x170 [ 748.882205][ T74] do_syscall_64+0xc6/0x1e0 [ 748.882205][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 748.882205][ T74] [ 749.258488][ T5084] veth0: renamed from veth1 [ 753.340914][ T5111] br0: port 1(vx0) entered blocking state [ 753.341140][ T5111] br0: port 1(vx0) entered disabled state [ 753.341336][ T5111] vx0: entered allmulticast mode [ 753.342627][ T5111] vx0: entered promiscuous mode [ 753.344671][ T5111] br0: port 1(vx0) entered blocking state [ 753.344884][ T5111] br0: port 1(vx0) entered forwarding state [ 758.876524][ T5141] br0: port 1(vx0) entered blocking state [ 758.876799][ T5141] br0: port 1(vx0) entered disabled state [ 758.877399][ T5141] vx0: entered allmulticast mode [ 758.878578][ T5141] vx0: entered promiscuous mode [ 758.880432][ T5141] br0: port 1(vx0) entered blocking state [ 758.880621][ T5141] br0: port 1(vx0) entered forwarding state [ 759.015894][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 759.016242][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 759.016242][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 759.016242][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 759.016242][ T74] fib6_nh_init+0xa22/0x1580 [ 759.016242][ T74] ip6_route_info_create+0xf18/0x17d0 [ 759.016242][ T74] ip6_route_add+0x1c/0x140 [ 759.016242][ T74] inet6_rtm_newroute+0x104/0x110 [ 759.016242][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 759.016242][ T74] netlink_rcv_skb+0x130/0x360 [ 759.016242][ T74] netlink_unicast+0x449/0x710 [ 759.016242][ T74] netlink_sendmsg+0x723/0xbe0 [ 759.016242][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 759.016242][ T74] ___sys_sendmsg+0xee/0x170 [ 759.016242][ T74] __sys_sendmsg+0xcd/0x170 [ 759.016242][ T74] do_syscall_64+0xc6/0x1e0 [ 759.016242][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 759.016242][ T74] [ 759.018248][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 759.018248][ T74] netdev_get_by_index+0x5e/0x80 [ 759.018248][ T74] fib6_nh_init+0x3d8/0x1580 [ 759.018248][ T74] ip6_route_info_create+0xf18/0x17d0 [ 759.018248][ T74] addrconf_f6i_alloc+0x265/0x560 [ 759.018248][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 759.018248][ T74] addrconf_join_anycast+0x1c0/0x220 [ 759.018248][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 759.018248][ T74] addrconf_dad_completed+0x12b/0xe20 [ 759.018248][ T74] addrconf_dad_begin+0x310/0x670 [ 759.018248][ T74] addrconf_dad_work+0x10b/0xab0 [ 759.018248][ T74] process_one_work+0x84d/0x18a0 [ 759.018248][ T74] worker_thread+0x587/0xd30 [ 759.018248][ T74] kthread+0x28a/0x350 [ 759.018248][ T74] ret_from_fork+0x31/0x70 [ 759.018248][ T74] ret_from_fork_asm+0x1a/0x30 [ 759.018248][ T74] [ 759.020257][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 759.020257][ T74] netdev_get_by_index+0x5e/0x80 [ 759.020257][ T74] fib6_nh_init+0x3d8/0x1580 [ 759.020257][ T74] ip6_route_info_create+0xf18/0x17d0 [ 759.020257][ T74] ip6_route_add+0x1c/0x140 [ 759.020257][ T74] addrconf_prefix_route+0x2a6/0x430 [ 759.020257][ T74] inet6_addr_add+0x4f8/0xa40 [ 759.020257][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 759.020257][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 759.020257][ T74] netlink_rcv_skb+0x130/0x360 [ 759.020257][ T74] netlink_unicast+0x449/0x710 [ 759.020257][ T74] netlink_sendmsg+0x723/0xbe0 [ 759.020257][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 759.020257][ T74] ___sys_sendmsg+0xee/0x170 [ 759.020257][ T74] __sys_sendmsg+0xcd/0x170 [ 759.020257][ T74] do_syscall_64+0xc6/0x1e0 [ 759.020257][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 759.020257][ T74] [ 759.022402][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 759.022402][ T74] netdev_get_by_index+0x5e/0x80 [ 759.022402][ T74] fib6_nh_init+0x3d8/0x1580 [ 759.022402][ T74] ip6_route_info_create+0xf18/0x17d0 [ 759.022402][ T74] addrconf_f6i_alloc+0x315/0x560 [ 759.022402][ T74] ipv6_add_addr+0x411/0x2000 [ 759.022402][ T74] inet6_addr_add+0x30e/0xa40 [ 759.022402][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 759.022402][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 759.022402][ T74] netlink_rcv_skb+0x130/0x360 [ 759.022402][ T74] netlink_unicast+0x449/0x710 [ 759.022402][ T74] netlink_sendmsg+0x723/0xbe0 [ 759.022402][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 759.022402][ T74] ___sys_sendmsg+0xee/0x170 [ 759.022402][ T74] __sys_sendmsg+0xcd/0x170 [ 759.022402][ T74] do_syscall_64+0xc6/0x1e0 [ 759.022402][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 759.022402][ T74] [ 759.024472][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 759.024472][ T74] netdev_get_by_index+0x5e/0x80 [ 759.024472][ T74] fib6_nh_init+0x3d8/0x1580 [ 759.024472][ T74] ip6_route_info_create+0xf18/0x17d0 [ 759.024472][ T74] ip6_route_add+0x1c/0x140 [ 759.024472][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 759.024472][ T74] addrconf_add_dev+0xe2/0x170 [ 759.024472][ T74] inet6_addr_add+0x12f/0xa40 [ 759.024472][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 759.024472][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 759.024472][ T74] netlink_rcv_skb+0x130/0x360 [ 759.024472][ T74] netlink_unicast+0x449/0x710 [ 759.024472][ T74] netlink_sendmsg+0x723/0xbe0 [ 759.024472][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 759.024472][ T74] ___sys_sendmsg+0xee/0x170 [ 759.024472][ T74] __sys_sendmsg+0xcd/0x170 [ 759.024472][ T74] do_syscall_64+0xc6/0x1e0 [ 759.024472][ T74] [ 759.026526][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 759.026526][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 759.026526][ T74] ipv6_find_idev+0x102/0x170 [ 759.026526][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 759.026526][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 759.026526][ T74] netlink_rcv_skb+0x130/0x360 [ 759.026526][ T74] netlink_unicast+0x449/0x710 [ 759.026526][ T74] netlink_sendmsg+0x723/0xbe0 [ 759.026526][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 759.026526][ T74] ___sys_sendmsg+0xee/0x170 [ 759.026526][ T74] __sys_sendmsg+0xcd/0x170 [ 759.026526][ T74] do_syscall_64+0xc6/0x1e0 [ 759.026526][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 759.026526][ T74] [ 759.028141][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 759.028141][ T74] neigh_parms_alloc+0x1e5/0x510 [ 759.028141][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 759.028141][ T74] ipv6_find_idev+0x102/0x170 [ 759.028141][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 759.028141][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 759.028141][ T74] netlink_rcv_skb+0x130/0x360 [ 759.028141][ T74] netlink_unicast+0x449/0x710 [ 759.028141][ T74] netlink_sendmsg+0x723/0xbe0 [ 759.028141][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 759.028141][ T74] ___sys_sendmsg+0xee/0x170 [ 759.028141][ T74] __sys_sendmsg+0xcd/0x170 [ 759.028141][ T74] do_syscall_64+0xc6/0x1e0 [ 759.028141][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 759.028141][ T74] [ 759.030193][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 759.030503][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 759.030503][ T74] dst_init+0x84/0x4a0 [ 759.030503][ T74] dst_alloc+0x97/0x150 [ 759.030503][ T74] ip6_dst_alloc+0x23/0x90 [ 759.030503][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 759.030503][ T74] ip6_pol_route+0x56f/0x840 [ 759.030503][ T74] fib6_rule_lookup+0x456/0x630 [ 759.030503][ T74] ip6_route_input+0x59c/0xa50 [ 759.030503][ T74] ipv6_rcv+0x397/0x810 [ 759.030503][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 759.030503][ T74] process_backlog+0x101/0x620 [ 759.030503][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 759.030503][ T74] net_rx_action+0x495/0xbe0 [ 759.030503][ T74] __do_softirq+0x1b5/0x7f6 [ 759.030503][ T74] [ 759.032413][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 759.032413][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 759.032413][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 759.032413][ T74] fib6_nh_init+0xa22/0x1580 [ 759.032413][ T74] ip6_route_info_create+0xf18/0x17d0 [ 759.032413][ T74] ip6_route_add+0x1c/0x140 [ 759.032413][ T74] inet6_rtm_newroute+0x104/0x110 [ 759.032413][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 759.032413][ T74] netlink_rcv_skb+0x130/0x360 [ 759.032413][ T74] netlink_unicast+0x449/0x710 [ 759.032413][ T74] netlink_sendmsg+0x723/0xbe0 [ 759.032413][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 759.032413][ T74] ___sys_sendmsg+0xee/0x170 [ 759.032413][ T74] __sys_sendmsg+0xcd/0x170 [ 759.032413][ T74] do_syscall_64+0xc6/0x1e0 [ 759.032413][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 759.032413][ T74] [ 759.034349][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 759.034349][ T74] netdev_get_by_index+0x5e/0x80 [ 759.034349][ T74] fib6_nh_init+0x3d8/0x1580 [ 759.034349][ T74] ip6_route_info_create+0xf18/0x17d0 [ 759.034349][ T74] addrconf_f6i_alloc+0x265/0x560 [ 759.034349][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 759.034349][ T74] addrconf_join_anycast+0x1c0/0x220 [ 759.034349][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 759.034349][ T74] addrconf_dad_completed+0x12b/0xe20 [ 759.034349][ T74] addrconf_dad_begin+0x310/0x670 [ 759.034349][ T74] addrconf_dad_work+0x10b/0xab0 [ 759.034349][ T74] process_one_work+0x84d/0x18a0 [ 759.034349][ T74] worker_thread+0x587/0xd30 [ 759.034349][ T74] kthread+0x28a/0x350 [ 759.034349][ T74] ret_from_fork+0x31/0x70 [ 759.034349][ T74] ret_from_fork_asm+0x1a/0x30 [ 759.034349][ T74] [ 759.036562][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 759.036562][ T74] netdev_get_by_index+0x5e/0x80 [ 759.036562][ T74] fib6_nh_init+0x3d8/0x1580 [ 759.036562][ T74] ip6_route_info_create+0xf18/0x17d0 [ 759.036562][ T74] ip6_route_add+0x1c/0x140 [ 759.036562][ T74] addrconf_prefix_route+0x2a6/0x430 [ 759.036562][ T74] inet6_addr_add+0x4f8/0xa40 [ 759.036562][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 759.036562][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 759.036562][ T74] netlink_rcv_skb+0x130/0x360 [ 759.036562][ T74] netlink_unicast+0x449/0x710 [ 759.036562][ T74] netlink_sendmsg+0x723/0xbe0 [ 759.036562][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 759.036562][ T74] ___sys_sendmsg+0xee/0x170 [ 759.036562][ T74] __sys_sendmsg+0xcd/0x170 [ 759.036562][ T74] do_syscall_64+0xc6/0x1e0 [ 759.036562][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 759.036562][ T74] [ 759.038906][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 759.038906][ T74] netdev_get_by_index+0x5e/0x80 [ 759.038906][ T74] fib6_nh_init+0x3d8/0x1580 [ 759.038906][ T74] ip6_route_info_create+0xf18/0x17d0 [ 759.038906][ T74] addrconf_f6i_alloc+0x315/0x560 [ 759.038906][ T74] ipv6_add_addr+0x411/0x2000 [ 759.038906][ T74] inet6_addr_add+0x30e/0xa40 [ 759.038906][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 759.038906][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 759.038906][ T74] netlink_rcv_skb+0x130/0x360 [ 759.038906][ T74] netlink_unicast+0x449/0x710 [ 759.038906][ T74] netlink_sendmsg+0x723/0xbe0 [ 759.038906][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 759.038906][ T74] ___sys_sendmsg+0xee/0x170 [ 759.038906][ T74] __sys_sendmsg+0xcd/0x170 [ 759.038906][ T74] do_syscall_64+0xc6/0x1e0 [ 759.038906][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 759.038906][ T74] [ 759.041189][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 759.041189][ T74] netdev_get_by_index+0x5e/0x80 [ 759.041189][ T74] fib6_nh_init+0x3d8/0x1580 [ 759.041189][ T74] ip6_route_info_create+0xf18/0x17d0 [ 759.041189][ T74] ip6_route_add+0x1c/0x140 [ 759.041189][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 759.041189][ T74] addrconf_add_dev+0xe2/0x170 [ 759.041189][ T74] inet6_addr_add+0x12f/0xa40 [ 759.041189][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 759.041189][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 759.041189][ T74] netlink_rcv_skb+0x130/0x360 [ 759.041189][ T74] netlink_unicast+0x449/0x710 [ 759.041189][ T74] netlink_sendmsg+0x723/0xbe0 [ 759.041189][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 759.041189][ T74] ___sys_sendmsg+0xee/0x170 [ 759.041189][ T74] __sys_sendmsg+0xcd/0x170 [ 759.041189][ T74] do_syscall_64+0xc6/0x1e0 [ 759.041189][ T74] [ 759.043411][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 759.043411][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 759.043411][ T74] ipv6_find_idev+0x102/0x170 [ 759.043411][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 759.043411][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 759.043411][ T74] netlink_rcv_skb+0x130/0x360 [ 759.043411][ T74] netlink_unicast+0x449/0x710 [ 759.043411][ T74] netlink_sendmsg+0x723/0xbe0 [ 759.043411][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 759.043411][ T74] ___sys_sendmsg+0xee/0x170 [ 759.043411][ T74] __sys_sendmsg+0xcd/0x170 [ 759.043411][ T74] do_syscall_64+0xc6/0x1e0 [ 759.043411][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 759.043411][ T74] [ 759.045261][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 759.045261][ T74] neigh_parms_alloc+0x1e5/0x510 [ 759.045261][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 759.045261][ T74] ipv6_find_idev+0x102/0x170 [ 759.045261][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 759.045261][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 759.045261][ T74] netlink_rcv_skb+0x130/0x360 [ 759.045261][ T74] netlink_unicast+0x449/0x710 [ 759.045261][ T74] netlink_sendmsg+0x723/0xbe0 [ 759.045261][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 759.045261][ T74] ___sys_sendmsg+0xee/0x170 [ 759.045261][ T74] __sys_sendmsg+0xcd/0x170 [ 759.045261][ T74] do_syscall_64+0xc6/0x1e0 [ 759.045261][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 759.045261][ T74] [ 759.047307][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 759.047579][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 759.047579][ T74] netdev_get_by_index+0x5e/0x80 [ 759.047579][ T74] fib6_nh_init+0x3d8/0x1580 [ 759.047579][ T74] ip6_route_info_create+0xf18/0x17d0 [ 759.047579][ T74] ip6_route_add+0x1c/0x140 [ 759.047579][ T74] addrconf_prefix_route+0x2a6/0x430 [ 759.047579][ T74] inet6_addr_add+0x4f8/0xa40 [ 759.047579][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 759.047579][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 759.047579][ T74] netlink_rcv_skb+0x130/0x360 [ 759.047579][ T74] netlink_unicast+0x449/0x710 [ 759.047579][ T74] netlink_sendmsg+0x723/0xbe0 [ 759.047579][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 759.047579][ T74] ___sys_sendmsg+0xee/0x170 [ 759.047579][ T74] __sys_sendmsg+0xcd/0x170 [ 759.047579][ T74] do_syscall_64+0xc6/0x1e0 [ 759.047579][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 759.047579][ T74] [ 759.050028][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 759.050028][ T74] netdev_get_by_index+0x5e/0x80 [ 759.050028][ T74] fib6_nh_init+0x3d8/0x1580 [ 759.050028][ T74] ip6_route_info_create+0xf18/0x17d0 [ 759.050028][ T74] addrconf_f6i_alloc+0x315/0x560 [ 759.050028][ T74] ipv6_add_addr+0x411/0x2000 [ 759.050028][ T74] inet6_addr_add+0x30e/0xa40 [ 759.050028][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 759.050028][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 759.050028][ T74] netlink_rcv_skb+0x130/0x360 [ 759.050028][ T74] netlink_unicast+0x449/0x710 [ 759.050028][ T74] netlink_sendmsg+0x723/0xbe0 [ 759.050028][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 759.050028][ T74] ___sys_sendmsg+0xee/0x170 [ 759.050028][ T74] __sys_sendmsg+0xcd/0x170 [ 759.050028][ T74] do_syscall_64+0xc6/0x1e0 [ 759.050028][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 759.050028][ T74] [ 759.052342][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 759.052342][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 759.052342][ T74] ipv6_find_idev+0x102/0x170 [ 759.052342][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 759.052342][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 759.052342][ T74] netlink_rcv_skb+0x130/0x360 [ 759.052342][ T74] netlink_unicast+0x449/0x710 [ 759.052342][ T74] netlink_sendmsg+0x723/0xbe0 [ 759.052342][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 759.052342][ T74] ___sys_sendmsg+0xee/0x170 [ 759.052342][ T74] __sys_sendmsg+0xcd/0x170 [ 759.052342][ T74] do_syscall_64+0xc6/0x1e0 [ 759.052342][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 759.052342][ T74] [ 759.054117][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 759.054117][ T74] neigh_parms_alloc+0x1e5/0x510 [ 759.054117][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 759.054117][ T74] ipv6_find_idev+0x102/0x170 [ 759.054117][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 759.054117][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 759.054117][ T74] netlink_rcv_skb+0x130/0x360 [ 759.054117][ T74] netlink_unicast+0x449/0x710 [ 759.054117][ T74] netlink_sendmsg+0x723/0xbe0 [ 759.054117][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 759.054117][ T74] ___sys_sendmsg+0xee/0x170 [ 759.054117][ T74] __sys_sendmsg+0xcd/0x170 [ 759.054117][ T74] do_syscall_64+0xc6/0x1e0 [ 759.054117][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 759.054117][ T74] [ 763.181538][ T5173] veth0: renamed from veth1 [ 767.097091][ T5200] br0: port 1(vx0) entered blocking state [ 767.097311][ T5200] br0: port 1(vx0) entered disabled state [ 767.097497][ T5200] vx0: entered allmulticast mode [ 767.098678][ T5200] vx0: entered promiscuous mode [ 767.100588][ T5200] br0: port 1(vx0) entered blocking state [ 767.100776][ T5200] br0: port 1(vx0) entered forwarding state [ 769.231943][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 769.232458][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 769.232458][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 769.232458][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 769.232458][ T74] fib6_nh_init+0xa22/0x1580 [ 769.232458][ T74] ip6_route_info_create+0xf18/0x17d0 [ 769.232458][ T74] ip6_route_add+0x1c/0x140 [ 769.232458][ T74] inet6_rtm_newroute+0x104/0x110 [ 769.232458][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 769.232458][ T74] netlink_rcv_skb+0x130/0x360 [ 769.232458][ T74] netlink_unicast+0x449/0x710 [ 769.232458][ T74] netlink_sendmsg+0x723/0xbe0 [ 769.232458][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 769.232458][ T74] ___sys_sendmsg+0xee/0x170 [ 769.232458][ T74] __sys_sendmsg+0xcd/0x170 [ 769.232458][ T74] do_syscall_64+0xc6/0x1e0 [ 769.232458][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 769.232458][ T74] [ 769.235666][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 769.235666][ T74] netdev_get_by_index+0x5e/0x80 [ 769.235666][ T74] fib6_nh_init+0x3d8/0x1580 [ 769.235666][ T74] ip6_route_info_create+0xf18/0x17d0 [ 769.235666][ T74] addrconf_f6i_alloc+0x265/0x560 [ 769.235666][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 769.235666][ T74] addrconf_join_anycast+0x1c0/0x220 [ 769.235666][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 769.235666][ T74] addrconf_dad_completed+0x12b/0xe20 [ 769.235666][ T74] addrconf_dad_begin+0x310/0x670 [ 769.235666][ T74] addrconf_dad_work+0x10b/0xab0 [ 769.235666][ T74] process_one_work+0x84d/0x18a0 [ 769.235666][ T74] worker_thread+0x587/0xd30 [ 769.235666][ T74] kthread+0x28a/0x350 [ 769.235666][ T74] ret_from_fork+0x31/0x70 [ 769.235666][ T74] ret_from_fork_asm+0x1a/0x30 [ 769.235666][ T74] [ 769.238968][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 769.238968][ T74] netdev_get_by_index+0x5e/0x80 [ 769.238968][ T74] fib6_nh_init+0x3d8/0x1580 [ 769.238968][ T74] ip6_route_info_create+0xf18/0x17d0 [ 769.238968][ T74] ip6_route_add+0x1c/0x140 [ 769.238968][ T74] addrconf_prefix_route+0x2a6/0x430 [ 769.238968][ T74] inet6_addr_add+0x4f8/0xa40 [ 769.238968][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 769.238968][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 769.238968][ T74] netlink_rcv_skb+0x130/0x360 [ 769.238968][ T74] netlink_unicast+0x449/0x710 [ 769.238968][ T74] netlink_sendmsg+0x723/0xbe0 [ 769.238968][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 769.238968][ T74] ___sys_sendmsg+0xee/0x170 [ 769.238968][ T74] __sys_sendmsg+0xcd/0x170 [ 769.238968][ T74] do_syscall_64+0xc6/0x1e0 [ 769.238968][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 769.238968][ T74] [ 769.242301][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 769.242301][ T74] netdev_get_by_index+0x5e/0x80 [ 769.242301][ T74] fib6_nh_init+0x3d8/0x1580 [ 769.242301][ T74] ip6_route_info_create+0xf18/0x17d0 [ 769.242301][ T74] addrconf_f6i_alloc+0x315/0x560 [ 769.242301][ T74] ipv6_add_addr+0x411/0x2000 [ 769.242301][ T74] inet6_addr_add+0x30e/0xa40 [ 769.242301][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 769.242301][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 769.242301][ T74] netlink_rcv_skb+0x130/0x360 [ 769.242301][ T74] netlink_unicast+0x449/0x710 [ 769.242301][ T74] netlink_sendmsg+0x723/0xbe0 [ 769.242301][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 769.242301][ T74] ___sys_sendmsg+0xee/0x170 [ 769.242301][ T74] __sys_sendmsg+0xcd/0x170 [ 769.242301][ T74] do_syscall_64+0xc6/0x1e0 [ 769.242301][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 769.242301][ T74] [ 769.245646][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 769.245646][ T74] netdev_get_by_index+0x5e/0x80 [ 769.245646][ T74] fib6_nh_init+0x3d8/0x1580 [ 769.245646][ T74] ip6_route_info_create+0xf18/0x17d0 [ 769.245646][ T74] ip6_route_add+0x1c/0x140 [ 769.245646][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 769.245646][ T74] addrconf_add_dev+0xe2/0x170 [ 769.245646][ T74] inet6_addr_add+0x12f/0xa40 [ 769.245646][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 769.245646][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 769.245646][ T74] netlink_rcv_skb+0x130/0x360 [ 769.245646][ T74] netlink_unicast+0x449/0x710 [ 769.245646][ T74] netlink_sendmsg+0x723/0xbe0 [ 769.245646][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 769.245646][ T74] ___sys_sendmsg+0xee/0x170 [ 769.245646][ T74] __sys_sendmsg+0xcd/0x170 [ 769.245646][ T74] do_syscall_64+0xc6/0x1e0 [ 769.245646][ T74] [ 769.248886][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 769.248886][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 769.248886][ T74] ipv6_find_idev+0x102/0x170 [ 769.248886][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 769.248886][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 769.248886][ T74] netlink_rcv_skb+0x130/0x360 [ 769.248886][ T74] netlink_unicast+0x449/0x710 [ 769.248886][ T74] netlink_sendmsg+0x723/0xbe0 [ 769.248886][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 769.248886][ T74] ___sys_sendmsg+0xee/0x170 [ 769.248886][ T74] __sys_sendmsg+0xcd/0x170 [ 769.248886][ T74] do_syscall_64+0xc6/0x1e0 [ 769.248886][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 769.248886][ T74] [ 769.251339][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 769.251339][ T74] neigh_parms_alloc+0x1e5/0x510 [ 769.251339][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 769.251339][ T74] ipv6_find_idev+0x102/0x170 [ 769.251339][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 769.251339][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 769.251339][ T74] netlink_rcv_skb+0x130/0x360 [ 769.251339][ T74] netlink_unicast+0x449/0x710 [ 769.251339][ T74] netlink_sendmsg+0x723/0xbe0 [ 769.251339][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 769.251339][ T74] ___sys_sendmsg+0xee/0x170 [ 769.251339][ T74] __sys_sendmsg+0xcd/0x170 [ 769.251339][ T74] do_syscall_64+0xc6/0x1e0 [ 769.251339][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 769.251339][ T74] [ 769.253956][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 769.254375][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 769.254375][ T74] dst_init+0x84/0x4a0 [ 769.254375][ T74] dst_alloc+0x97/0x150 [ 769.254375][ T74] ip6_dst_alloc+0x23/0x90 [ 769.254375][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 769.254375][ T74] ip6_pol_route+0x56f/0x840 [ 769.254375][ T74] fib6_rule_lookup+0x456/0x630 [ 769.254375][ T74] ip6_route_input+0x59c/0xa50 [ 769.254375][ T74] ipv6_rcv+0x397/0x810 [ 769.254375][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 769.254375][ T74] process_backlog+0x101/0x620 [ 769.254375][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 769.254375][ T74] net_rx_action+0x495/0xbe0 [ 769.254375][ T74] __do_softirq+0x1b5/0x7f6 [ 769.254375][ T74] [ 769.256827][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 769.256827][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 769.256827][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 769.256827][ T74] fib6_nh_init+0xa22/0x1580 [ 769.256827][ T74] ip6_route_info_create+0xf18/0x17d0 [ 769.256827][ T74] ip6_route_add+0x1c/0x140 [ 769.256827][ T74] inet6_rtm_newroute+0x104/0x110 [ 769.256827][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 769.256827][ T74] netlink_rcv_skb+0x130/0x360 [ 769.256827][ T74] netlink_unicast+0x449/0x710 [ 769.256827][ T74] netlink_sendmsg+0x723/0xbe0 [ 769.256827][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 769.256827][ T74] ___sys_sendmsg+0xee/0x170 [ 769.256827][ T74] __sys_sendmsg+0xcd/0x170 [ 769.256827][ T74] do_syscall_64+0xc6/0x1e0 [ 769.256827][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 769.256827][ T74] [ 769.259736][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 769.259736][ T74] netdev_get_by_index+0x5e/0x80 [ 769.259736][ T74] fib6_nh_init+0x3d8/0x1580 [ 769.259736][ T74] ip6_route_info_create+0xf18/0x17d0 [ 769.259736][ T74] addrconf_f6i_alloc+0x265/0x560 [ 769.259736][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 769.259736][ T74] addrconf_join_anycast+0x1c0/0x220 [ 769.259736][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 769.259736][ T74] addrconf_dad_completed+0x12b/0xe20 [ 769.259736][ T74] addrconf_dad_begin+0x310/0x670 [ 769.259736][ T74] addrconf_dad_work+0x10b/0xab0 [ 769.259736][ T74] process_one_work+0x84d/0x18a0 [ 769.259736][ T74] worker_thread+0x587/0xd30 [ 769.259736][ T74] kthread+0x28a/0x350 [ 769.259736][ T74] ret_from_fork+0x31/0x70 [ 769.259736][ T74] ret_from_fork_asm+0x1a/0x30 [ 769.259736][ T74] [ 769.262593][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 769.262593][ T74] netdev_get_by_index+0x5e/0x80 [ 769.262593][ T74] fib6_nh_init+0x3d8/0x1580 [ 769.262593][ T74] ip6_route_info_create+0xf18/0x17d0 [ 769.262593][ T74] ip6_route_add+0x1c/0x140 [ 769.262593][ T74] addrconf_prefix_route+0x2a6/0x430 [ 769.262593][ T74] inet6_addr_add+0x4f8/0xa40 [ 769.262593][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 769.262593][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 769.262593][ T74] netlink_rcv_skb+0x130/0x360 [ 769.262593][ T74] netlink_unicast+0x449/0x710 [ 769.262593][ T74] netlink_sendmsg+0x723/0xbe0 [ 769.262593][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 769.262593][ T74] ___sys_sendmsg+0xee/0x170 [ 769.262593][ T74] __sys_sendmsg+0xcd/0x170 [ 769.262593][ T74] do_syscall_64+0xc6/0x1e0 [ 769.262593][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 769.262593][ T74] [ 769.265689][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 769.265689][ T74] netdev_get_by_index+0x5e/0x80 [ 769.265689][ T74] fib6_nh_init+0x3d8/0x1580 [ 769.265689][ T74] ip6_route_info_create+0xf18/0x17d0 [ 769.265689][ T74] addrconf_f6i_alloc+0x315/0x560 [ 769.265689][ T74] ipv6_add_addr+0x411/0x2000 [ 769.265689][ T74] inet6_addr_add+0x30e/0xa40 [ 769.265689][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 769.265689][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 769.265689][ T74] netlink_rcv_skb+0x130/0x360 [ 769.265689][ T74] netlink_unicast+0x449/0x710 [ 769.265689][ T74] netlink_sendmsg+0x723/0xbe0 [ 769.265689][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 769.265689][ T74] ___sys_sendmsg+0xee/0x170 [ 769.265689][ T74] __sys_sendmsg+0xcd/0x170 [ 769.265689][ T74] do_syscall_64+0xc6/0x1e0 [ 769.265689][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 769.265689][ T74] [ 769.268797][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 769.268797][ T74] netdev_get_by_index+0x5e/0x80 [ 769.268797][ T74] fib6_nh_init+0x3d8/0x1580 [ 769.268797][ T74] ip6_route_info_create+0xf18/0x17d0 [ 769.268797][ T74] ip6_route_add+0x1c/0x140 [ 769.268797][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 769.268797][ T74] addrconf_add_dev+0xe2/0x170 [ 769.268797][ T74] inet6_addr_add+0x12f/0xa40 [ 769.268797][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 769.268797][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 769.268797][ T74] netlink_rcv_skb+0x130/0x360 [ 769.268797][ T74] netlink_unicast+0x449/0x710 [ 769.268797][ T74] netlink_sendmsg+0x723/0xbe0 [ 769.268797][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 769.268797][ T74] ___sys_sendmsg+0xee/0x170 [ 769.268797][ T74] __sys_sendmsg+0xcd/0x170 [ 769.268797][ T74] do_syscall_64+0xc6/0x1e0 [ 769.268797][ T74] [ 769.272238][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 769.272238][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 769.272238][ T74] ipv6_find_idev+0x102/0x170 [ 769.272238][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 769.272238][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 769.272238][ T74] netlink_rcv_skb+0x130/0x360 [ 769.272238][ T74] netlink_unicast+0x449/0x710 [ 769.272238][ T74] netlink_sendmsg+0x723/0xbe0 [ 769.272238][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 769.272238][ T74] ___sys_sendmsg+0xee/0x170 [ 769.272238][ T74] __sys_sendmsg+0xcd/0x170 [ 769.272238][ T74] do_syscall_64+0xc6/0x1e0 [ 769.272238][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 769.272238][ T74] [ 769.274925][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 769.274925][ T74] neigh_parms_alloc+0x1e5/0x510 [ 769.274925][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 769.274925][ T74] ipv6_find_idev+0x102/0x170 [ 769.274925][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 769.274925][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 769.274925][ T74] netlink_rcv_skb+0x130/0x360 [ 769.274925][ T74] netlink_unicast+0x449/0x710 [ 769.274925][ T74] netlink_sendmsg+0x723/0xbe0 [ 769.274925][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 769.274925][ T74] ___sys_sendmsg+0xee/0x170 [ 769.274925][ T74] __sys_sendmsg+0xcd/0x170 [ 769.274925][ T74] do_syscall_64+0xc6/0x1e0 [ 769.274925][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 769.274925][ T74] [ 769.277835][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 769.278240][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 769.278240][ T74] netdev_get_by_index+0x5e/0x80 [ 769.278240][ T74] fib6_nh_init+0x3d8/0x1580 [ 769.278240][ T74] ip6_route_info_create+0xf18/0x17d0 [ 769.278240][ T74] ip6_route_add+0x1c/0x140 [ 769.278240][ T74] addrconf_prefix_route+0x2a6/0x430 [ 769.278240][ T74] inet6_addr_add+0x4f8/0xa40 [ 769.278240][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 769.278240][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 769.278240][ T74] netlink_rcv_skb+0x130/0x360 [ 769.278240][ T74] netlink_unicast+0x449/0x710 [ 769.278240][ T74] netlink_sendmsg+0x723/0xbe0 [ 769.278240][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 769.278240][ T74] ___sys_sendmsg+0xee/0x170 [ 769.278240][ T74] __sys_sendmsg+0xcd/0x170 [ 769.278240][ T74] do_syscall_64+0xc6/0x1e0 [ 769.278240][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 769.278240][ T74] [ 769.281804][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 769.281804][ T74] netdev_get_by_index+0x5e/0x80 [ 769.281804][ T74] fib6_nh_init+0x3d8/0x1580 [ 769.281804][ T74] ip6_route_info_create+0xf18/0x17d0 [ 769.281804][ T74] addrconf_f6i_alloc+0x315/0x560 [ 769.281804][ T74] ipv6_add_addr+0x411/0x2000 [ 769.281804][ T74] inet6_addr_add+0x30e/0xa40 [ 769.281804][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 769.281804][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 769.281804][ T74] netlink_rcv_skb+0x130/0x360 [ 769.281804][ T74] netlink_unicast+0x449/0x710 [ 769.281804][ T74] netlink_sendmsg+0x723/0xbe0 [ 769.281804][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 769.281804][ T74] ___sys_sendmsg+0xee/0x170 [ 769.281804][ T74] __sys_sendmsg+0xcd/0x170 [ 769.281804][ T74] do_syscall_64+0xc6/0x1e0 [ 769.281804][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 769.281804][ T74] [ 769.285460][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 769.285460][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 769.285460][ T74] ipv6_find_idev+0x102/0x170 [ 769.285460][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 769.285460][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 769.285460][ T74] netlink_rcv_skb+0x130/0x360 [ 769.285460][ T74] netlink_unicast+0x449/0x710 [ 769.285460][ T74] netlink_sendmsg+0x723/0xbe0 [ 769.285460][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 769.285460][ T74] ___sys_sendmsg+0xee/0x170 [ 769.285460][ T74] __sys_sendmsg+0xcd/0x170 [ 769.285460][ T74] do_syscall_64+0xc6/0x1e0 [ 769.285460][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 769.285460][ T74] [ 769.288096][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 769.288096][ T74] neigh_parms_alloc+0x1e5/0x510 [ 769.288096][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 769.288096][ T74] ipv6_find_idev+0x102/0x170 [ 769.288096][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 769.288096][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 769.288096][ T74] netlink_rcv_skb+0x130/0x360 [ 769.288096][ T74] netlink_unicast+0x449/0x710 [ 769.288096][ T74] netlink_sendmsg+0x723/0xbe0 [ 769.288096][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 769.288096][ T74] ___sys_sendmsg+0xee/0x170 [ 769.288096][ T74] __sys_sendmsg+0xcd/0x170 [ 769.288096][ T74] do_syscall_64+0xc6/0x1e0 [ 769.288096][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 769.288096][ T74] [ 772.595694][ T5230] br0: port 1(vx0) entered blocking state [ 772.595924][ T5230] br0: port 1(vx0) entered disabled state [ 772.596119][ T5230] vx0: entered allmulticast mode [ 772.597334][ T5230] vx0: entered promiscuous mode [ 772.599206][ T5230] br0: port 1(vx0) entered blocking state [ 772.599394][ T5230] br0: port 1(vx0) entered forwarding state [ 779.352009][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 779.352457][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 779.352457][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 779.352457][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 779.352457][ T74] fib6_nh_init+0xa22/0x1580 [ 779.352457][ T74] ip6_route_info_create+0xf18/0x17d0 [ 779.352457][ T74] ip6_route_add+0x1c/0x140 [ 779.352457][ T74] inet6_rtm_newroute+0x104/0x110 [ 779.352457][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 779.352457][ T74] netlink_rcv_skb+0x130/0x360 [ 779.352457][ T74] netlink_unicast+0x449/0x710 [ 779.352457][ T74] netlink_sendmsg+0x723/0xbe0 [ 779.352457][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 779.352457][ T74] ___sys_sendmsg+0xee/0x170 [ 779.352457][ T74] __sys_sendmsg+0xcd/0x170 [ 779.352457][ T74] do_syscall_64+0xc6/0x1e0 [ 779.352457][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 779.352457][ T74] [ 779.354682][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 779.354682][ T74] netdev_get_by_index+0x5e/0x80 [ 779.354682][ T74] fib6_nh_init+0x3d8/0x1580 [ 779.354682][ T74] ip6_route_info_create+0xf18/0x17d0 [ 779.354682][ T74] addrconf_f6i_alloc+0x265/0x560 [ 779.354682][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 779.354682][ T74] addrconf_join_anycast+0x1c0/0x220 [ 779.354682][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 779.354682][ T74] addrconf_dad_completed+0x12b/0xe20 [ 779.354682][ T74] addrconf_dad_begin+0x310/0x670 [ 779.354682][ T74] addrconf_dad_work+0x10b/0xab0 [ 779.354682][ T74] process_one_work+0x84d/0x18a0 [ 779.354682][ T74] worker_thread+0x587/0xd30 [ 779.354682][ T74] kthread+0x28a/0x350 [ 779.354682][ T74] ret_from_fork+0x31/0x70 [ 779.354682][ T74] ret_from_fork_asm+0x1a/0x30 [ 779.354682][ T74] [ 779.356949][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 779.356949][ T74] netdev_get_by_index+0x5e/0x80 [ 779.356949][ T74] fib6_nh_init+0x3d8/0x1580 [ 779.356949][ T74] ip6_route_info_create+0xf18/0x17d0 [ 779.356949][ T74] ip6_route_add+0x1c/0x140 [ 779.356949][ T74] addrconf_prefix_route+0x2a6/0x430 [ 779.356949][ T74] inet6_addr_add+0x4f8/0xa40 [ 779.356949][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 779.356949][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 779.356949][ T74] netlink_rcv_skb+0x130/0x360 [ 779.356949][ T74] netlink_unicast+0x449/0x710 [ 779.356949][ T74] netlink_sendmsg+0x723/0xbe0 [ 779.356949][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 779.356949][ T74] ___sys_sendmsg+0xee/0x170 [ 779.356949][ T74] __sys_sendmsg+0xcd/0x170 [ 779.356949][ T74] do_syscall_64+0xc6/0x1e0 [ 779.356949][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 779.356949][ T74] [ 779.359271][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 779.359271][ T74] netdev_get_by_index+0x5e/0x80 [ 779.359271][ T74] fib6_nh_init+0x3d8/0x1580 [ 779.359271][ T74] ip6_route_info_create+0xf18/0x17d0 [ 779.359271][ T74] addrconf_f6i_alloc+0x315/0x560 [ 779.359271][ T74] ipv6_add_addr+0x411/0x2000 [ 779.359271][ T74] inet6_addr_add+0x30e/0xa40 [ 779.359271][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 779.359271][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 779.359271][ T74] netlink_rcv_skb+0x130/0x360 [ 779.359271][ T74] netlink_unicast+0x449/0x710 [ 779.359271][ T74] netlink_sendmsg+0x723/0xbe0 [ 779.359271][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 779.359271][ T74] ___sys_sendmsg+0xee/0x170 [ 779.359271][ T74] __sys_sendmsg+0xcd/0x170 [ 779.359271][ T74] do_syscall_64+0xc6/0x1e0 [ 779.359271][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 779.359271][ T74] [ 779.361575][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 779.361575][ T74] netdev_get_by_index+0x5e/0x80 [ 779.361575][ T74] fib6_nh_init+0x3d8/0x1580 [ 779.361575][ T74] ip6_route_info_create+0xf18/0x17d0 [ 779.361575][ T74] ip6_route_add+0x1c/0x140 [ 779.361575][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 779.361575][ T74] addrconf_add_dev+0xe2/0x170 [ 779.361575][ T74] inet6_addr_add+0x12f/0xa40 [ 779.361575][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 779.361575][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 779.361575][ T74] netlink_rcv_skb+0x130/0x360 [ 779.361575][ T74] netlink_unicast+0x449/0x710 [ 779.361575][ T74] netlink_sendmsg+0x723/0xbe0 [ 779.361575][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 779.361575][ T74] ___sys_sendmsg+0xee/0x170 [ 779.361575][ T74] __sys_sendmsg+0xcd/0x170 [ 779.361575][ T74] do_syscall_64+0xc6/0x1e0 [ 779.361575][ T74] [ 779.363844][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 779.363844][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 779.363844][ T74] ipv6_find_idev+0x102/0x170 [ 779.363844][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 779.363844][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 779.363844][ T74] netlink_rcv_skb+0x130/0x360 [ 779.363844][ T74] netlink_unicast+0x449/0x710 [ 779.363844][ T74] netlink_sendmsg+0x723/0xbe0 [ 779.363844][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 779.363844][ T74] ___sys_sendmsg+0xee/0x170 [ 779.363844][ T74] __sys_sendmsg+0xcd/0x170 [ 779.363844][ T74] do_syscall_64+0xc6/0x1e0 [ 779.363844][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 779.363844][ T74] [ 779.365639][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 779.365639][ T74] neigh_parms_alloc+0x1e5/0x510 [ 779.365639][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 779.365639][ T74] ipv6_find_idev+0x102/0x170 [ 779.365639][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 779.365639][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 779.365639][ T74] netlink_rcv_skb+0x130/0x360 [ 779.365639][ T74] netlink_unicast+0x449/0x710 [ 779.365639][ T74] netlink_sendmsg+0x723/0xbe0 [ 779.365639][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 779.365639][ T74] ___sys_sendmsg+0xee/0x170 [ 779.365639][ T74] __sys_sendmsg+0xcd/0x170 [ 779.365639][ T74] do_syscall_64+0xc6/0x1e0 [ 779.365639][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 779.365639][ T74] [ 779.367655][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 779.368007][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 779.368007][ T74] dst_init+0x84/0x4a0 [ 779.368007][ T74] dst_alloc+0x97/0x150 [ 779.368007][ T74] ip6_dst_alloc+0x23/0x90 [ 779.368007][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 779.368007][ T74] ip6_pol_route+0x56f/0x840 [ 779.368007][ T74] fib6_rule_lookup+0x456/0x630 [ 779.368007][ T74] ip6_route_input+0x59c/0xa50 [ 779.368007][ T74] ipv6_rcv+0x397/0x810 [ 779.368007][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 779.368007][ T74] process_backlog+0x101/0x620 [ 779.368007][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 779.368007][ T74] net_rx_action+0x495/0xbe0 [ 779.368007][ T74] __do_softirq+0x1b5/0x7f6 [ 779.368007][ T74] [ 779.369905][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 779.369905][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 779.369905][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 779.369905][ T74] fib6_nh_init+0xa22/0x1580 [ 779.369905][ T74] ip6_route_info_create+0xf18/0x17d0 [ 779.369905][ T74] ip6_route_add+0x1c/0x140 [ 779.369905][ T74] inet6_rtm_newroute+0x104/0x110 [ 779.369905][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 779.369905][ T74] netlink_rcv_skb+0x130/0x360 [ 779.369905][ T74] netlink_unicast+0x449/0x710 [ 779.369905][ T74] netlink_sendmsg+0x723/0xbe0 [ 779.369905][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 779.369905][ T74] ___sys_sendmsg+0xee/0x170 [ 779.369905][ T74] __sys_sendmsg+0xcd/0x170 [ 779.369905][ T74] do_syscall_64+0xc6/0x1e0 [ 779.369905][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 779.369905][ T74] [ 779.372064][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 779.372064][ T74] netdev_get_by_index+0x5e/0x80 [ 779.372064][ T74] fib6_nh_init+0x3d8/0x1580 [ 779.372064][ T74] ip6_route_info_create+0xf18/0x17d0 [ 779.372064][ T74] addrconf_f6i_alloc+0x265/0x560 [ 779.372064][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 779.372064][ T74] addrconf_join_anycast+0x1c0/0x220 [ 779.372064][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 779.372064][ T74] addrconf_dad_completed+0x12b/0xe20 [ 779.372064][ T74] addrconf_dad_begin+0x310/0x670 [ 779.372064][ T74] addrconf_dad_work+0x10b/0xab0 [ 779.372064][ T74] process_one_work+0x84d/0x18a0 [ 779.372064][ T74] worker_thread+0x587/0xd30 [ 779.372064][ T74] kthread+0x28a/0x350 [ 779.372064][ T74] ret_from_fork+0x31/0x70 [ 779.372064][ T74] ret_from_fork_asm+0x1a/0x30 [ 779.372064][ T74] [ 779.374258][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 779.374258][ T74] netdev_get_by_index+0x5e/0x80 [ 779.374258][ T74] fib6_nh_init+0x3d8/0x1580 [ 779.374258][ T74] ip6_route_info_create+0xf18/0x17d0 [ 779.374258][ T74] ip6_route_add+0x1c/0x140 [ 779.374258][ T74] addrconf_prefix_route+0x2a6/0x430 [ 779.374258][ T74] inet6_addr_add+0x4f8/0xa40 [ 779.374258][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 779.374258][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 779.374258][ T74] netlink_rcv_skb+0x130/0x360 [ 779.374258][ T74] netlink_unicast+0x449/0x710 [ 779.374258][ T74] netlink_sendmsg+0x723/0xbe0 [ 779.374258][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 779.374258][ T74] ___sys_sendmsg+0xee/0x170 [ 779.374258][ T74] __sys_sendmsg+0xcd/0x170 [ 779.374258][ T74] do_syscall_64+0xc6/0x1e0 [ 779.374258][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 779.374258][ T74] [ 779.376589][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 779.376589][ T74] netdev_get_by_index+0x5e/0x80 [ 779.376589][ T74] fib6_nh_init+0x3d8/0x1580 [ 779.376589][ T74] ip6_route_info_create+0xf18/0x17d0 [ 779.376589][ T74] addrconf_f6i_alloc+0x315/0x560 [ 779.376589][ T74] ipv6_add_addr+0x411/0x2000 [ 779.376589][ T74] inet6_addr_add+0x30e/0xa40 [ 779.376589][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 779.376589][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 779.376589][ T74] netlink_rcv_skb+0x130/0x360 [ 779.376589][ T74] netlink_unicast+0x449/0x710 [ 779.376589][ T74] netlink_sendmsg+0x723/0xbe0 [ 779.376589][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 779.376589][ T74] ___sys_sendmsg+0xee/0x170 [ 779.376589][ T74] __sys_sendmsg+0xcd/0x170 [ 779.376589][ T74] do_syscall_64+0xc6/0x1e0 [ 779.376589][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 779.376589][ T74] [ 779.378898][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 779.378898][ T74] netdev_get_by_index+0x5e/0x80 [ 779.378898][ T74] fib6_nh_init+0x3d8/0x1580 [ 779.378898][ T74] ip6_route_info_create+0xf18/0x17d0 [ 779.378898][ T74] ip6_route_add+0x1c/0x140 [ 779.378898][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 779.378898][ T74] addrconf_add_dev+0xe2/0x170 [ 779.378898][ T74] inet6_addr_add+0x12f/0xa40 [ 779.378898][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 779.378898][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 779.378898][ T74] netlink_rcv_skb+0x130/0x360 [ 779.378898][ T74] netlink_unicast+0x449/0x710 [ 779.378898][ T74] netlink_sendmsg+0x723/0xbe0 [ 779.378898][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 779.378898][ T74] ___sys_sendmsg+0xee/0x170 [ 779.378898][ T74] __sys_sendmsg+0xcd/0x170 [ 779.378898][ T74] do_syscall_64+0xc6/0x1e0 [ 779.378898][ T74] [ 779.381165][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 779.381165][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 779.381165][ T74] ipv6_find_idev+0x102/0x170 [ 779.381165][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 779.381165][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 779.381165][ T74] netlink_rcv_skb+0x130/0x360 [ 779.381165][ T74] netlink_unicast+0x449/0x710 [ 779.381165][ T74] netlink_sendmsg+0x723/0xbe0 [ 779.381165][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 779.381165][ T74] ___sys_sendmsg+0xee/0x170 [ 779.381165][ T74] __sys_sendmsg+0xcd/0x170 [ 779.381165][ T74] do_syscall_64+0xc6/0x1e0 [ 779.381165][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 779.381165][ T74] [ 779.383081][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 779.383081][ T74] neigh_parms_alloc+0x1e5/0x510 [ 779.383081][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 779.383081][ T74] ipv6_find_idev+0x102/0x170 [ 779.383081][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 779.383081][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 779.383081][ T74] netlink_rcv_skb+0x130/0x360 [ 779.383081][ T74] netlink_unicast+0x449/0x710 [ 779.383081][ T74] netlink_sendmsg+0x723/0xbe0 [ 779.383081][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 779.383081][ T74] ___sys_sendmsg+0xee/0x170 [ 779.383081][ T74] __sys_sendmsg+0xcd/0x170 [ 779.383081][ T74] do_syscall_64+0xc6/0x1e0 [ 779.383081][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 779.383081][ T74] [ 779.385330][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 779.385618][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 779.385618][ T74] netdev_get_by_index+0x5e/0x80 [ 779.385618][ T74] fib6_nh_init+0x3d8/0x1580 [ 779.385618][ T74] ip6_route_info_create+0xf18/0x17d0 [ 779.385618][ T74] ip6_route_add+0x1c/0x140 [ 779.385618][ T74] addrconf_prefix_route+0x2a6/0x430 [ 779.385618][ T74] inet6_addr_add+0x4f8/0xa40 [ 779.385618][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 779.385618][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 779.385618][ T74] netlink_rcv_skb+0x130/0x360 [ 779.385618][ T74] netlink_unicast+0x449/0x710 [ 779.385618][ T74] netlink_sendmsg+0x723/0xbe0 [ 779.385618][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 779.385618][ T74] ___sys_sendmsg+0xee/0x170 [ 779.385618][ T74] __sys_sendmsg+0xcd/0x170 [ 779.385618][ T74] do_syscall_64+0xc6/0x1e0 [ 779.385618][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 779.385618][ T74] [ 779.388199][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 779.388199][ T74] netdev_get_by_index+0x5e/0x80 [ 779.388199][ T74] fib6_nh_init+0x3d8/0x1580 [ 779.388199][ T74] ip6_route_info_create+0xf18/0x17d0 [ 779.388199][ T74] addrconf_f6i_alloc+0x315/0x560 [ 779.388199][ T74] ipv6_add_addr+0x411/0x2000 [ 779.388199][ T74] inet6_addr_add+0x30e/0xa40 [ 779.388199][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 779.388199][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 779.388199][ T74] netlink_rcv_skb+0x130/0x360 [ 779.388199][ T74] netlink_unicast+0x449/0x710 [ 779.388199][ T74] netlink_sendmsg+0x723/0xbe0 [ 779.388199][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 779.388199][ T74] ___sys_sendmsg+0xee/0x170 [ 779.388199][ T74] __sys_sendmsg+0xcd/0x170 [ 779.388199][ T74] do_syscall_64+0xc6/0x1e0 [ 779.388199][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 779.388199][ T74] [ 779.390815][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 779.390815][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 779.390815][ T74] ipv6_find_idev+0x102/0x170 [ 779.390815][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 779.390815][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 779.390815][ T74] netlink_rcv_skb+0x130/0x360 [ 779.390815][ T74] netlink_unicast+0x449/0x710 [ 779.390815][ T74] netlink_sendmsg+0x723/0xbe0 [ 779.390815][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 779.390815][ T74] ___sys_sendmsg+0xee/0x170 [ 779.390815][ T74] __sys_sendmsg+0xcd/0x170 [ 779.390815][ T74] do_syscall_64+0xc6/0x1e0 [ 779.390815][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 779.390815][ T74] [ 779.392773][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 779.392773][ T74] neigh_parms_alloc+0x1e5/0x510 [ 779.392773][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 779.392773][ T74] ipv6_find_idev+0x102/0x170 [ 779.392773][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 779.392773][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 779.392773][ T74] netlink_rcv_skb+0x130/0x360 [ 779.392773][ T74] netlink_unicast+0x449/0x710 [ 779.392773][ T74] netlink_sendmsg+0x723/0xbe0 [ 779.392773][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 779.392773][ T74] ___sys_sendmsg+0xee/0x170 [ 779.392773][ T74] __sys_sendmsg+0xcd/0x170 [ 779.392773][ T74] do_syscall_64+0xc6/0x1e0 [ 779.392773][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 779.392773][ T74] [ 789.568867][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 789.569259][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 789.569259][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 789.569259][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 789.569259][ T74] fib6_nh_init+0xa22/0x1580 [ 789.569259][ T74] ip6_route_info_create+0xf18/0x17d0 [ 789.569259][ T74] ip6_route_add+0x1c/0x140 [ 789.569259][ T74] inet6_rtm_newroute+0x104/0x110 [ 789.569259][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 789.569259][ T74] netlink_rcv_skb+0x130/0x360 [ 789.569259][ T74] netlink_unicast+0x449/0x710 [ 789.569259][ T74] netlink_sendmsg+0x723/0xbe0 [ 789.569259][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 789.569259][ T74] ___sys_sendmsg+0xee/0x170 [ 789.569259][ T74] __sys_sendmsg+0xcd/0x170 [ 789.569259][ T74] do_syscall_64+0xc6/0x1e0 [ 789.569259][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 789.569259][ T74] [ 789.571339][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 789.571339][ T74] netdev_get_by_index+0x5e/0x80 [ 789.571339][ T74] fib6_nh_init+0x3d8/0x1580 [ 789.571339][ T74] ip6_route_info_create+0xf18/0x17d0 [ 789.571339][ T74] addrconf_f6i_alloc+0x265/0x560 [ 789.571339][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 789.571339][ T74] addrconf_join_anycast+0x1c0/0x220 [ 789.571339][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 789.571339][ T74] addrconf_dad_completed+0x12b/0xe20 [ 789.571339][ T74] addrconf_dad_begin+0x310/0x670 [ 789.571339][ T74] addrconf_dad_work+0x10b/0xab0 [ 789.571339][ T74] process_one_work+0x84d/0x18a0 [ 789.571339][ T74] worker_thread+0x587/0xd30 [ 789.571339][ T74] kthread+0x28a/0x350 [ 789.571339][ T74] ret_from_fork+0x31/0x70 [ 789.571339][ T74] ret_from_fork_asm+0x1a/0x30 [ 789.571339][ T74] [ 789.573358][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 789.573358][ T74] netdev_get_by_index+0x5e/0x80 [ 789.573358][ T74] fib6_nh_init+0x3d8/0x1580 [ 789.573358][ T74] ip6_route_info_create+0xf18/0x17d0 [ 789.573358][ T74] ip6_route_add+0x1c/0x140 [ 789.573358][ T74] addrconf_prefix_route+0x2a6/0x430 [ 789.573358][ T74] inet6_addr_add+0x4f8/0xa40 [ 789.573358][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 789.573358][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 789.573358][ T74] netlink_rcv_skb+0x130/0x360 [ 789.573358][ T74] netlink_unicast+0x449/0x710 [ 789.573358][ T74] netlink_sendmsg+0x723/0xbe0 [ 789.573358][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 789.573358][ T74] ___sys_sendmsg+0xee/0x170 [ 789.573358][ T74] __sys_sendmsg+0xcd/0x170 [ 789.573358][ T74] do_syscall_64+0xc6/0x1e0 [ 789.573358][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 789.573358][ T74] [ 789.575647][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 789.575647][ T74] netdev_get_by_index+0x5e/0x80 [ 789.575647][ T74] fib6_nh_init+0x3d8/0x1580 [ 789.575647][ T74] ip6_route_info_create+0xf18/0x17d0 [ 789.575647][ T74] addrconf_f6i_alloc+0x315/0x560 [ 789.575647][ T74] ipv6_add_addr+0x411/0x2000 [ 789.575647][ T74] inet6_addr_add+0x30e/0xa40 [ 789.575647][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 789.575647][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 789.575647][ T74] netlink_rcv_skb+0x130/0x360 [ 789.575647][ T74] netlink_unicast+0x449/0x710 [ 789.575647][ T74] netlink_sendmsg+0x723/0xbe0 [ 789.575647][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 789.575647][ T74] ___sys_sendmsg+0xee/0x170 [ 789.575647][ T74] __sys_sendmsg+0xcd/0x170 [ 789.575647][ T74] do_syscall_64+0xc6/0x1e0 [ 789.575647][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 789.575647][ T74] [ 789.578127][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 789.578127][ T74] netdev_get_by_index+0x5e/0x80 [ 789.578127][ T74] fib6_nh_init+0x3d8/0x1580 [ 789.578127][ T74] ip6_route_info_create+0xf18/0x17d0 [ 789.578127][ T74] ip6_route_add+0x1c/0x140 [ 789.578127][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 789.578127][ T74] addrconf_add_dev+0xe2/0x170 [ 789.578127][ T74] inet6_addr_add+0x12f/0xa40 [ 789.578127][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 789.578127][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 789.578127][ T74] netlink_rcv_skb+0x130/0x360 [ 789.578127][ T74] netlink_unicast+0x449/0x710 [ 789.578127][ T74] netlink_sendmsg+0x723/0xbe0 [ 789.578127][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 789.578127][ T74] ___sys_sendmsg+0xee/0x170 [ 789.578127][ T74] __sys_sendmsg+0xcd/0x170 [ 789.578127][ T74] do_syscall_64+0xc6/0x1e0 [ 789.578127][ T74] [ 789.580685][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 789.580685][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 789.580685][ T74] ipv6_find_idev+0x102/0x170 [ 789.580685][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 789.580685][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 789.580685][ T74] netlink_rcv_skb+0x130/0x360 [ 789.580685][ T74] netlink_unicast+0x449/0x710 [ 789.580685][ T74] netlink_sendmsg+0x723/0xbe0 [ 789.580685][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 789.580685][ T74] ___sys_sendmsg+0xee/0x170 [ 789.580685][ T74] __sys_sendmsg+0xcd/0x170 [ 789.580685][ T74] do_syscall_64+0xc6/0x1e0 [ 789.580685][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 789.580685][ T74] [ 789.582505][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 789.582505][ T74] neigh_parms_alloc+0x1e5/0x510 [ 789.582505][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 789.582505][ T74] ipv6_find_idev+0x102/0x170 [ 789.582505][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 789.582505][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 789.582505][ T74] netlink_rcv_skb+0x130/0x360 [ 789.582505][ T74] netlink_unicast+0x449/0x710 [ 789.582505][ T74] netlink_sendmsg+0x723/0xbe0 [ 789.582505][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 789.582505][ T74] ___sys_sendmsg+0xee/0x170 [ 789.582505][ T74] __sys_sendmsg+0xcd/0x170 [ 789.582505][ T74] do_syscall_64+0xc6/0x1e0 [ 789.582505][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 789.582505][ T74] [ 789.584608][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 789.584896][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 789.584896][ T74] dst_init+0x84/0x4a0 [ 789.584896][ T74] dst_alloc+0x97/0x150 [ 789.584896][ T74] ip6_dst_alloc+0x23/0x90 [ 789.584896][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 789.584896][ T74] ip6_pol_route+0x56f/0x840 [ 789.584896][ T74] fib6_rule_lookup+0x456/0x630 [ 789.584896][ T74] ip6_route_input+0x59c/0xa50 [ 789.584896][ T74] ipv6_rcv+0x397/0x810 [ 789.584896][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 789.584896][ T74] process_backlog+0x101/0x620 [ 789.584896][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 789.584896][ T74] net_rx_action+0x495/0xbe0 [ 789.584896][ T74] __do_softirq+0x1b5/0x7f6 [ 789.584896][ T74] [ 789.586881][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 789.586881][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 789.586881][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 789.586881][ T74] fib6_nh_init+0xa22/0x1580 [ 789.586881][ T74] ip6_route_info_create+0xf18/0x17d0 [ 789.586881][ T74] ip6_route_add+0x1c/0x140 [ 789.586881][ T74] inet6_rtm_newroute+0x104/0x110 [ 789.586881][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 789.586881][ T74] netlink_rcv_skb+0x130/0x360 [ 789.586881][ T74] netlink_unicast+0x449/0x710 [ 789.586881][ T74] netlink_sendmsg+0x723/0xbe0 [ 789.586881][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 789.586881][ T74] ___sys_sendmsg+0xee/0x170 [ 789.586881][ T74] __sys_sendmsg+0xcd/0x170 [ 789.586881][ T74] do_syscall_64+0xc6/0x1e0 [ 789.586881][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 789.586881][ T74] [ 789.589241][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 789.589241][ T74] netdev_get_by_index+0x5e/0x80 [ 789.589241][ T74] fib6_nh_init+0x3d8/0x1580 [ 789.589241][ T74] ip6_route_info_create+0xf18/0x17d0 [ 789.589241][ T74] addrconf_f6i_alloc+0x265/0x560 [ 789.589241][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 789.589241][ T74] addrconf_join_anycast+0x1c0/0x220 [ 789.589241][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 789.589241][ T74] addrconf_dad_completed+0x12b/0xe20 [ 789.589241][ T74] addrconf_dad_begin+0x310/0x670 [ 789.589241][ T74] addrconf_dad_work+0x10b/0xab0 [ 789.589241][ T74] process_one_work+0x84d/0x18a0 [ 789.589241][ T74] worker_thread+0x587/0xd30 [ 789.589241][ T74] kthread+0x28a/0x350 [ 789.589241][ T74] ret_from_fork+0x31/0x70 [ 789.589241][ T74] ret_from_fork_asm+0x1a/0x30 [ 789.589241][ T74] [ 789.591510][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 789.591510][ T74] netdev_get_by_index+0x5e/0x80 [ 789.591510][ T74] fib6_nh_init+0x3d8/0x1580 [ 789.591510][ T74] ip6_route_info_create+0xf18/0x17d0 [ 789.591510][ T74] ip6_route_add+0x1c/0x140 [ 789.591510][ T74] addrconf_prefix_route+0x2a6/0x430 [ 789.591510][ T74] inet6_addr_add+0x4f8/0xa40 [ 789.591510][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 789.591510][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 789.591510][ T74] netlink_rcv_skb+0x130/0x360 [ 789.591510][ T74] netlink_unicast+0x449/0x710 [ 789.591510][ T74] netlink_sendmsg+0x723/0xbe0 [ 789.591510][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 789.591510][ T74] ___sys_sendmsg+0xee/0x170 [ 789.591510][ T74] __sys_sendmsg+0xcd/0x170 [ 789.591510][ T74] do_syscall_64+0xc6/0x1e0 [ 789.591510][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 789.591510][ T74] [ 789.593835][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 789.593835][ T74] netdev_get_by_index+0x5e/0x80 [ 789.593835][ T74] fib6_nh_init+0x3d8/0x1580 [ 789.593835][ T74] ip6_route_info_create+0xf18/0x17d0 [ 789.593835][ T74] addrconf_f6i_alloc+0x315/0x560 [ 789.593835][ T74] ipv6_add_addr+0x411/0x2000 [ 789.593835][ T74] inet6_addr_add+0x30e/0xa40 [ 789.593835][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 789.593835][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 789.593835][ T74] netlink_rcv_skb+0x130/0x360 [ 789.593835][ T74] netlink_unicast+0x449/0x710 [ 789.593835][ T74] netlink_sendmsg+0x723/0xbe0 [ 789.593835][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 789.593835][ T74] ___sys_sendmsg+0xee/0x170 [ 789.593835][ T74] __sys_sendmsg+0xcd/0x170 [ 789.593835][ T74] do_syscall_64+0xc6/0x1e0 [ 789.593835][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 789.593835][ T74] [ 789.596405][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 789.596405][ T74] netdev_get_by_index+0x5e/0x80 [ 789.596405][ T74] fib6_nh_init+0x3d8/0x1580 [ 789.596405][ T74] ip6_route_info_create+0xf18/0x17d0 [ 789.596405][ T74] ip6_route_add+0x1c/0x140 [ 789.596405][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 789.596405][ T74] addrconf_add_dev+0xe2/0x170 [ 789.596405][ T74] inet6_addr_add+0x12f/0xa40 [ 789.596405][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 789.596405][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 789.596405][ T74] netlink_rcv_skb+0x130/0x360 [ 789.596405][ T74] netlink_unicast+0x449/0x710 [ 789.596405][ T74] netlink_sendmsg+0x723/0xbe0 [ 789.596405][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 789.596405][ T74] ___sys_sendmsg+0xee/0x170 [ 789.596405][ T74] __sys_sendmsg+0xcd/0x170 [ 789.596405][ T74] do_syscall_64+0xc6/0x1e0 [ 789.596405][ T74] [ 789.598833][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 789.598833][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 789.598833][ T74] ipv6_find_idev+0x102/0x170 [ 789.598833][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 789.598833][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 789.598833][ T74] netlink_rcv_skb+0x130/0x360 [ 789.598833][ T74] netlink_unicast+0x449/0x710 [ 789.598833][ T74] netlink_sendmsg+0x723/0xbe0 [ 789.598833][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 789.598833][ T74] ___sys_sendmsg+0xee/0x170 [ 789.598833][ T74] __sys_sendmsg+0xcd/0x170 [ 789.598833][ T74] do_syscall_64+0xc6/0x1e0 [ 789.598833][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 789.598833][ T74] [ 789.600580][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 789.600580][ T74] neigh_parms_alloc+0x1e5/0x510 [ 789.600580][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 789.600580][ T74] ipv6_find_idev+0x102/0x170 [ 789.600580][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 789.600580][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 789.600580][ T74] netlink_rcv_skb+0x130/0x360 [ 789.600580][ T74] netlink_unicast+0x449/0x710 [ 789.600580][ T74] netlink_sendmsg+0x723/0xbe0 [ 789.600580][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 789.600580][ T74] ___sys_sendmsg+0xee/0x170 [ 789.600580][ T74] __sys_sendmsg+0xcd/0x170 [ 789.600580][ T74] do_syscall_64+0xc6/0x1e0 [ 789.600580][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 789.600580][ T74] [ 789.603447][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 789.603710][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 789.603710][ T74] netdev_get_by_index+0x5e/0x80 [ 789.603710][ T74] fib6_nh_init+0x3d8/0x1580 [ 789.603710][ T74] ip6_route_info_create+0xf18/0x17d0 [ 789.603710][ T74] ip6_route_add+0x1c/0x140 [ 789.603710][ T74] addrconf_prefix_route+0x2a6/0x430 [ 789.603710][ T74] inet6_addr_add+0x4f8/0xa40 [ 789.603710][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 789.603710][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 789.603710][ T74] netlink_rcv_skb+0x130/0x360 [ 789.603710][ T74] netlink_unicast+0x449/0x710 [ 789.603710][ T74] netlink_sendmsg+0x723/0xbe0 [ 789.603710][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 789.603710][ T74] ___sys_sendmsg+0xee/0x170 [ 789.603710][ T74] __sys_sendmsg+0xcd/0x170 [ 789.603710][ T74] do_syscall_64+0xc6/0x1e0 [ 789.603710][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 789.603710][ T74] [ 789.605773][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 789.605773][ T74] netdev_get_by_index+0x5e/0x80 [ 789.605773][ T74] fib6_nh_init+0x3d8/0x1580 [ 789.605773][ T74] ip6_route_info_create+0xf18/0x17d0 [ 789.605773][ T74] addrconf_f6i_alloc+0x315/0x560 [ 789.605773][ T74] ipv6_add_addr+0x411/0x2000 [ 789.605773][ T74] inet6_addr_add+0x30e/0xa40 [ 789.605773][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 789.605773][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 789.605773][ T74] netlink_rcv_skb+0x130/0x360 [ 789.605773][ T74] netlink_unicast+0x449/0x710 [ 789.605773][ T74] netlink_sendmsg+0x723/0xbe0 [ 789.605773][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 789.605773][ T74] ___sys_sendmsg+0xee/0x170 [ 789.605773][ T74] __sys_sendmsg+0xcd/0x170 [ 789.605773][ T74] do_syscall_64+0xc6/0x1e0 [ 789.605773][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 789.605773][ T74] [ 789.607929][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 789.607929][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 789.607929][ T74] ipv6_find_idev+0x102/0x170 [ 789.607929][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 789.607929][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 789.607929][ T74] netlink_rcv_skb+0x130/0x360 [ 789.607929][ T74] netlink_unicast+0x449/0x710 [ 789.607929][ T74] netlink_sendmsg+0x723/0xbe0 [ 789.607929][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 789.607929][ T74] ___sys_sendmsg+0xee/0x170 [ 789.607929][ T74] __sys_sendmsg+0xcd/0x170 [ 789.607929][ T74] do_syscall_64+0xc6/0x1e0 [ 789.607929][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 789.607929][ T74] [ 789.609716][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 789.609716][ T74] neigh_parms_alloc+0x1e5/0x510 [ 789.609716][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 789.609716][ T74] ipv6_find_idev+0x102/0x170 [ 789.609716][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 789.609716][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 789.609716][ T74] netlink_rcv_skb+0x130/0x360 [ 789.609716][ T74] netlink_unicast+0x449/0x710 [ 789.609716][ T74] netlink_sendmsg+0x723/0xbe0 [ 789.609716][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 789.609716][ T74] ___sys_sendmsg+0xee/0x170 [ 789.609716][ T74] __sys_sendmsg+0xcd/0x170 [ 789.609716][ T74] do_syscall_64+0xc6/0x1e0 [ 789.609716][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 789.609716][ T74] [ 799.688875][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 799.689320][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 799.689320][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 799.689320][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 799.689320][ T74] fib6_nh_init+0xa22/0x1580 [ 799.689320][ T74] ip6_route_info_create+0xf18/0x17d0 [ 799.689320][ T74] ip6_route_add+0x1c/0x140 [ 799.689320][ T74] inet6_rtm_newroute+0x104/0x110 [ 799.689320][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 799.689320][ T74] netlink_rcv_skb+0x130/0x360 [ 799.689320][ T74] netlink_unicast+0x449/0x710 [ 799.689320][ T74] netlink_sendmsg+0x723/0xbe0 [ 799.689320][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 799.689320][ T74] ___sys_sendmsg+0xee/0x170 [ 799.689320][ T74] __sys_sendmsg+0xcd/0x170 [ 799.689320][ T74] do_syscall_64+0xc6/0x1e0 [ 799.689320][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 799.689320][ T74] [ 799.691433][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 799.691433][ T74] netdev_get_by_index+0x5e/0x80 [ 799.691433][ T74] fib6_nh_init+0x3d8/0x1580 [ 799.691433][ T74] ip6_route_info_create+0xf18/0x17d0 [ 799.691433][ T74] addrconf_f6i_alloc+0x265/0x560 [ 799.691433][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 799.691433][ T74] addrconf_join_anycast+0x1c0/0x220 [ 799.691433][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 799.691433][ T74] addrconf_dad_completed+0x12b/0xe20 [ 799.691433][ T74] addrconf_dad_begin+0x310/0x670 [ 799.691433][ T74] addrconf_dad_work+0x10b/0xab0 [ 799.691433][ T74] process_one_work+0x84d/0x18a0 [ 799.691433][ T74] worker_thread+0x587/0xd30 [ 799.691433][ T74] kthread+0x28a/0x350 [ 799.691433][ T74] ret_from_fork+0x31/0x70 [ 799.691433][ T74] ret_from_fork_asm+0x1a/0x30 [ 799.691433][ T74] [ 799.693502][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 799.693502][ T74] netdev_get_by_index+0x5e/0x80 [ 799.693502][ T74] fib6_nh_init+0x3d8/0x1580 [ 799.693502][ T74] ip6_route_info_create+0xf18/0x17d0 [ 799.693502][ T74] ip6_route_add+0x1c/0x140 [ 799.693502][ T74] addrconf_prefix_route+0x2a6/0x430 [ 799.693502][ T74] inet6_addr_add+0x4f8/0xa40 [ 799.693502][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 799.693502][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 799.693502][ T74] netlink_rcv_skb+0x130/0x360 [ 799.693502][ T74] netlink_unicast+0x449/0x710 [ 799.693502][ T74] netlink_sendmsg+0x723/0xbe0 [ 799.693502][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 799.693502][ T74] ___sys_sendmsg+0xee/0x170 [ 799.693502][ T74] __sys_sendmsg+0xcd/0x170 [ 799.693502][ T74] do_syscall_64+0xc6/0x1e0 [ 799.693502][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 799.693502][ T74] [ 799.695811][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 799.695811][ T74] netdev_get_by_index+0x5e/0x80 [ 799.695811][ T74] fib6_nh_init+0x3d8/0x1580 [ 799.695811][ T74] ip6_route_info_create+0xf18/0x17d0 [ 799.695811][ T74] addrconf_f6i_alloc+0x315/0x560 [ 799.695811][ T74] ipv6_add_addr+0x411/0x2000 [ 799.695811][ T74] inet6_addr_add+0x30e/0xa40 [ 799.695811][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 799.695811][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 799.695811][ T74] netlink_rcv_skb+0x130/0x360 [ 799.695811][ T74] netlink_unicast+0x449/0x710 [ 799.695811][ T74] netlink_sendmsg+0x723/0xbe0 [ 799.695811][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 799.695811][ T74] ___sys_sendmsg+0xee/0x170 [ 799.695811][ T74] __sys_sendmsg+0xcd/0x170 [ 799.695811][ T74] do_syscall_64+0xc6/0x1e0 [ 799.695811][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 799.695811][ T74] [ 799.698174][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 799.698174][ T74] netdev_get_by_index+0x5e/0x80 [ 799.698174][ T74] fib6_nh_init+0x3d8/0x1580 [ 799.698174][ T74] ip6_route_info_create+0xf18/0x17d0 [ 799.698174][ T74] ip6_route_add+0x1c/0x140 [ 799.698174][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 799.698174][ T74] addrconf_add_dev+0xe2/0x170 [ 799.698174][ T74] inet6_addr_add+0x12f/0xa40 [ 799.698174][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 799.698174][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 799.698174][ T74] netlink_rcv_skb+0x130/0x360 [ 799.698174][ T74] netlink_unicast+0x449/0x710 [ 799.698174][ T74] netlink_sendmsg+0x723/0xbe0 [ 799.698174][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 799.698174][ T74] ___sys_sendmsg+0xee/0x170 [ 799.698174][ T74] __sys_sendmsg+0xcd/0x170 [ 799.698174][ T74] do_syscall_64+0xc6/0x1e0 [ 799.698174][ T74] [ 799.700358][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 799.700358][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 799.700358][ T74] ipv6_find_idev+0x102/0x170 [ 799.700358][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 799.700358][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 799.700358][ T74] netlink_rcv_skb+0x130/0x360 [ 799.700358][ T74] netlink_unicast+0x449/0x710 [ 799.700358][ T74] netlink_sendmsg+0x723/0xbe0 [ 799.700358][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 799.700358][ T74] ___sys_sendmsg+0xee/0x170 [ 799.700358][ T74] __sys_sendmsg+0xcd/0x170 [ 799.700358][ T74] do_syscall_64+0xc6/0x1e0 [ 799.700358][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 799.700358][ T74] [ 799.702132][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 799.702132][ T74] neigh_parms_alloc+0x1e5/0x510 [ 799.702132][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 799.702132][ T74] ipv6_find_idev+0x102/0x170 [ 799.702132][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 799.702132][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 799.702132][ T74] netlink_rcv_skb+0x130/0x360 [ 799.702132][ T74] netlink_unicast+0x449/0x710 [ 799.702132][ T74] netlink_sendmsg+0x723/0xbe0 [ 799.702132][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 799.702132][ T74] ___sys_sendmsg+0xee/0x170 [ 799.702132][ T74] __sys_sendmsg+0xcd/0x170 [ 799.702132][ T74] do_syscall_64+0xc6/0x1e0 [ 799.702132][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 799.702132][ T74] [ 799.704052][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 799.704342][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 799.704342][ T74] dst_init+0x84/0x4a0 [ 799.704342][ T74] dst_alloc+0x97/0x150 [ 799.704342][ T74] ip6_dst_alloc+0x23/0x90 [ 799.704342][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 799.704342][ T74] ip6_pol_route+0x56f/0x840 [ 799.704342][ T74] fib6_rule_lookup+0x456/0x630 [ 799.704342][ T74] ip6_route_input+0x59c/0xa50 [ 799.704342][ T74] ipv6_rcv+0x397/0x810 [ 799.704342][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 799.704342][ T74] process_backlog+0x101/0x620 [ 799.704342][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 799.704342][ T74] net_rx_action+0x495/0xbe0 [ 799.704342][ T74] __do_softirq+0x1b5/0x7f6 [ 799.704342][ T74] [ 799.706138][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 799.706138][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 799.706138][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 799.706138][ T74] fib6_nh_init+0xa22/0x1580 [ 799.706138][ T74] ip6_route_info_create+0xf18/0x17d0 [ 799.706138][ T74] ip6_route_add+0x1c/0x140 [ 799.706138][ T74] inet6_rtm_newroute+0x104/0x110 [ 799.706138][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 799.706138][ T74] netlink_rcv_skb+0x130/0x360 [ 799.706138][ T74] netlink_unicast+0x449/0x710 [ 799.706138][ T74] netlink_sendmsg+0x723/0xbe0 [ 799.706138][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 799.706138][ T74] ___sys_sendmsg+0xee/0x170 [ 799.706138][ T74] __sys_sendmsg+0xcd/0x170 [ 799.706138][ T74] do_syscall_64+0xc6/0x1e0 [ 799.706138][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 799.706138][ T74] [ 799.708707][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 799.708707][ T74] netdev_get_by_index+0x5e/0x80 [ 799.708707][ T74] fib6_nh_init+0x3d8/0x1580 [ 799.708707][ T74] ip6_route_info_create+0xf18/0x17d0 [ 799.708707][ T74] addrconf_f6i_alloc+0x265/0x560 [ 799.708707][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 799.708707][ T74] addrconf_join_anycast+0x1c0/0x220 [ 799.708707][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 799.708707][ T74] addrconf_dad_completed+0x12b/0xe20 [ 799.708707][ T74] addrconf_dad_begin+0x310/0x670 [ 799.708707][ T74] addrconf_dad_work+0x10b/0xab0 [ 799.708707][ T74] process_one_work+0x84d/0x18a0 [ 799.708707][ T74] worker_thread+0x587/0xd30 [ 799.708707][ T74] kthread+0x28a/0x350 [ 799.708707][ T74] ret_from_fork+0x31/0x70 [ 799.708707][ T74] ret_from_fork_asm+0x1a/0x30 [ 799.708707][ T74] [ 799.711695][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 799.711695][ T74] netdev_get_by_index+0x5e/0x80 [ 799.711695][ T74] fib6_nh_init+0x3d8/0x1580 [ 799.711695][ T74] ip6_route_info_create+0xf18/0x17d0 [ 799.711695][ T74] ip6_route_add+0x1c/0x140 [ 799.711695][ T74] addrconf_prefix_route+0x2a6/0x430 [ 799.711695][ T74] inet6_addr_add+0x4f8/0xa40 [ 799.711695][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 799.711695][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 799.711695][ T74] netlink_rcv_skb+0x130/0x360 [ 799.711695][ T74] netlink_unicast+0x449/0x710 [ 799.711695][ T74] netlink_sendmsg+0x723/0xbe0 [ 799.711695][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 799.711695][ T74] ___sys_sendmsg+0xee/0x170 [ 799.711695][ T74] __sys_sendmsg+0xcd/0x170 [ 799.711695][ T74] do_syscall_64+0xc6/0x1e0 [ 799.711695][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 799.711695][ T74] [ 799.714897][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 799.714897][ T74] netdev_get_by_index+0x5e/0x80 [ 799.714897][ T74] fib6_nh_init+0x3d8/0x1580 [ 799.714897][ T74] ip6_route_info_create+0xf18/0x17d0 [ 799.714897][ T74] addrconf_f6i_alloc+0x315/0x560 [ 799.714897][ T74] ipv6_add_addr+0x411/0x2000 [ 799.714897][ T74] inet6_addr_add+0x30e/0xa40 [ 799.714897][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 799.714897][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 799.714897][ T74] netlink_rcv_skb+0x130/0x360 [ 799.714897][ T74] netlink_unicast+0x449/0x710 [ 799.714897][ T74] netlink_sendmsg+0x723/0xbe0 [ 799.714897][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 799.714897][ T74] ___sys_sendmsg+0xee/0x170 [ 799.714897][ T74] __sys_sendmsg+0xcd/0x170 [ 799.714897][ T74] do_syscall_64+0xc6/0x1e0 [ 799.714897][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 799.714897][ T74] [ 799.718651][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 799.718651][ T74] netdev_get_by_index+0x5e/0x80 [ 799.718651][ T74] fib6_nh_init+0x3d8/0x1580 [ 799.718651][ T74] ip6_route_info_create+0xf18/0x17d0 [ 799.718651][ T74] ip6_route_add+0x1c/0x140 [ 799.718651][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 799.718651][ T74] addrconf_add_dev+0xe2/0x170 [ 799.718651][ T74] inet6_addr_add+0x12f/0xa40 [ 799.718651][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 799.718651][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 799.718651][ T74] netlink_rcv_skb+0x130/0x360 [ 799.718651][ T74] netlink_unicast+0x449/0x710 [ 799.718651][ T74] netlink_sendmsg+0x723/0xbe0 [ 799.718651][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 799.718651][ T74] ___sys_sendmsg+0xee/0x170 [ 799.718651][ T74] __sys_sendmsg+0xcd/0x170 [ 799.718651][ T74] do_syscall_64+0xc6/0x1e0 [ 799.718651][ T74] [ 799.721969][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 799.721969][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 799.721969][ T74] ipv6_find_idev+0x102/0x170 [ 799.721969][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 799.721969][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 799.721969][ T74] netlink_rcv_skb+0x130/0x360 [ 799.721969][ T74] netlink_unicast+0x449/0x710 [ 799.721969][ T74] netlink_sendmsg+0x723/0xbe0 [ 799.721969][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 799.721969][ T74] ___sys_sendmsg+0xee/0x170 [ 799.721969][ T74] __sys_sendmsg+0xcd/0x170 [ 799.721969][ T74] do_syscall_64+0xc6/0x1e0 [ 799.721969][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 799.721969][ T74] [ 799.724608][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 799.724608][ T74] neigh_parms_alloc+0x1e5/0x510 [ 799.724608][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 799.724608][ T74] ipv6_find_idev+0x102/0x170 [ 799.724608][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 799.724608][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 799.724608][ T74] netlink_rcv_skb+0x130/0x360 [ 799.724608][ T74] netlink_unicast+0x449/0x710 [ 799.724608][ T74] netlink_sendmsg+0x723/0xbe0 [ 799.724608][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 799.724608][ T74] ___sys_sendmsg+0xee/0x170 [ 799.724608][ T74] __sys_sendmsg+0xcd/0x170 [ 799.724608][ T74] do_syscall_64+0xc6/0x1e0 [ 799.724608][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 799.724608][ T74] [ 799.727548][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 799.727923][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 799.727923][ T74] netdev_get_by_index+0x5e/0x80 [ 799.727923][ T74] fib6_nh_init+0x3d8/0x1580 [ 799.727923][ T74] ip6_route_info_create+0xf18/0x17d0 [ 799.727923][ T74] ip6_route_add+0x1c/0x140 [ 799.727923][ T74] addrconf_prefix_route+0x2a6/0x430 [ 799.727923][ T74] inet6_addr_add+0x4f8/0xa40 [ 799.727923][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 799.727923][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 799.727923][ T74] netlink_rcv_skb+0x130/0x360 [ 799.727923][ T74] netlink_unicast+0x449/0x710 [ 799.727923][ T74] netlink_sendmsg+0x723/0xbe0 [ 799.727923][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 799.727923][ T74] ___sys_sendmsg+0xee/0x170 [ 799.727923][ T74] __sys_sendmsg+0xcd/0x170 [ 799.727923][ T74] do_syscall_64+0xc6/0x1e0 [ 799.727923][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 799.727923][ T74] [ 799.731080][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 799.731080][ T74] netdev_get_by_index+0x5e/0x80 [ 799.731080][ T74] fib6_nh_init+0x3d8/0x1580 [ 799.731080][ T74] ip6_route_info_create+0xf18/0x17d0 [ 799.731080][ T74] addrconf_f6i_alloc+0x315/0x560 [ 799.731080][ T74] ipv6_add_addr+0x411/0x2000 [ 799.731080][ T74] inet6_addr_add+0x30e/0xa40 [ 799.731080][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 799.731080][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 799.731080][ T74] netlink_rcv_skb+0x130/0x360 [ 799.731080][ T74] netlink_unicast+0x449/0x710 [ 799.731080][ T74] netlink_sendmsg+0x723/0xbe0 [ 799.731080][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 799.731080][ T74] ___sys_sendmsg+0xee/0x170 [ 799.731080][ T74] __sys_sendmsg+0xcd/0x170 [ 799.731080][ T74] do_syscall_64+0xc6/0x1e0 [ 799.731080][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 799.731080][ T74] [ 799.734814][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 799.734814][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 799.734814][ T74] ipv6_find_idev+0x102/0x170 [ 799.734814][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 799.734814][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 799.734814][ T74] netlink_rcv_skb+0x130/0x360 [ 799.734814][ T74] netlink_unicast+0x449/0x710 [ 799.734814][ T74] netlink_sendmsg+0x723/0xbe0 [ 799.734814][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 799.734814][ T74] ___sys_sendmsg+0xee/0x170 [ 799.734814][ T74] __sys_sendmsg+0xcd/0x170 [ 799.734814][ T74] do_syscall_64+0xc6/0x1e0 [ 799.734814][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 799.734814][ T74] [ 799.737660][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 799.737660][ T74] neigh_parms_alloc+0x1e5/0x510 [ 799.737660][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 799.737660][ T74] ipv6_find_idev+0x102/0x170 [ 799.737660][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 799.737660][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 799.737660][ T74] netlink_rcv_skb+0x130/0x360 [ 799.737660][ T74] netlink_unicast+0x449/0x710 [ 799.737660][ T74] netlink_sendmsg+0x723/0xbe0 [ 799.737660][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 799.737660][ T74] ___sys_sendmsg+0xee/0x170 [ 799.737660][ T74] __sys_sendmsg+0xcd/0x170 [ 799.737660][ T74] do_syscall_64+0xc6/0x1e0 [ 799.737660][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 799.737660][ T74] [ 809.872879][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 809.873290][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 809.873290][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 809.873290][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 809.873290][ T74] fib6_nh_init+0xa22/0x1580 [ 809.873290][ T74] ip6_route_info_create+0xf18/0x17d0 [ 809.873290][ T74] ip6_route_add+0x1c/0x140 [ 809.873290][ T74] inet6_rtm_newroute+0x104/0x110 [ 809.873290][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 809.873290][ T74] netlink_rcv_skb+0x130/0x360 [ 809.873290][ T74] netlink_unicast+0x449/0x710 [ 809.873290][ T74] netlink_sendmsg+0x723/0xbe0 [ 809.873290][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 809.873290][ T74] ___sys_sendmsg+0xee/0x170 [ 809.873290][ T74] __sys_sendmsg+0xcd/0x170 [ 809.873290][ T74] do_syscall_64+0xc6/0x1e0 [ 809.873290][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 809.873290][ T74] [ 809.875587][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 809.875587][ T74] netdev_get_by_index+0x5e/0x80 [ 809.875587][ T74] fib6_nh_init+0x3d8/0x1580 [ 809.875587][ T74] ip6_route_info_create+0xf18/0x17d0 [ 809.875587][ T74] addrconf_f6i_alloc+0x265/0x560 [ 809.875587][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 809.875587][ T74] addrconf_join_anycast+0x1c0/0x220 [ 809.875587][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 809.875587][ T74] addrconf_dad_completed+0x12b/0xe20 [ 809.875587][ T74] addrconf_dad_begin+0x310/0x670 [ 809.875587][ T74] addrconf_dad_work+0x10b/0xab0 [ 809.875587][ T74] process_one_work+0x84d/0x18a0 [ 809.875587][ T74] worker_thread+0x587/0xd30 [ 809.875587][ T74] kthread+0x28a/0x350 [ 809.875587][ T74] ret_from_fork+0x31/0x70 [ 809.875587][ T74] ret_from_fork_asm+0x1a/0x30 [ 809.875587][ T74] [ 809.877820][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 809.877820][ T74] netdev_get_by_index+0x5e/0x80 [ 809.877820][ T74] fib6_nh_init+0x3d8/0x1580 [ 809.877820][ T74] ip6_route_info_create+0xf18/0x17d0 [ 809.877820][ T74] ip6_route_add+0x1c/0x140 [ 809.877820][ T74] addrconf_prefix_route+0x2a6/0x430 [ 809.877820][ T74] inet6_addr_add+0x4f8/0xa40 [ 809.877820][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 809.877820][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 809.877820][ T74] netlink_rcv_skb+0x130/0x360 [ 809.877820][ T74] netlink_unicast+0x449/0x710 [ 809.877820][ T74] netlink_sendmsg+0x723/0xbe0 [ 809.877820][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 809.877820][ T74] ___sys_sendmsg+0xee/0x170 [ 809.877820][ T74] __sys_sendmsg+0xcd/0x170 [ 809.877820][ T74] do_syscall_64+0xc6/0x1e0 [ 809.877820][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 809.877820][ T74] [ 809.880202][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 809.880202][ T74] netdev_get_by_index+0x5e/0x80 [ 809.880202][ T74] fib6_nh_init+0x3d8/0x1580 [ 809.880202][ T74] ip6_route_info_create+0xf18/0x17d0 [ 809.880202][ T74] addrconf_f6i_alloc+0x315/0x560 [ 809.880202][ T74] ipv6_add_addr+0x411/0x2000 [ 809.880202][ T74] inet6_addr_add+0x30e/0xa40 [ 809.880202][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 809.880202][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 809.880202][ T74] netlink_rcv_skb+0x130/0x360 [ 809.880202][ T74] netlink_unicast+0x449/0x710 [ 809.880202][ T74] netlink_sendmsg+0x723/0xbe0 [ 809.880202][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 809.880202][ T74] ___sys_sendmsg+0xee/0x170 [ 809.880202][ T74] __sys_sendmsg+0xcd/0x170 [ 809.880202][ T74] do_syscall_64+0xc6/0x1e0 [ 809.880202][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 809.880202][ T74] [ 809.882640][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 809.882640][ T74] netdev_get_by_index+0x5e/0x80 [ 809.882640][ T74] fib6_nh_init+0x3d8/0x1580 [ 809.882640][ T74] ip6_route_info_create+0xf18/0x17d0 [ 809.882640][ T74] ip6_route_add+0x1c/0x140 [ 809.882640][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 809.882640][ T74] addrconf_add_dev+0xe2/0x170 [ 809.882640][ T74] inet6_addr_add+0x12f/0xa40 [ 809.882640][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 809.882640][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 809.882640][ T74] netlink_rcv_skb+0x130/0x360 [ 809.882640][ T74] netlink_unicast+0x449/0x710 [ 809.882640][ T74] netlink_sendmsg+0x723/0xbe0 [ 809.882640][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 809.882640][ T74] ___sys_sendmsg+0xee/0x170 [ 809.882640][ T74] __sys_sendmsg+0xcd/0x170 [ 809.882640][ T74] do_syscall_64+0xc6/0x1e0 [ 809.882640][ T74] [ 809.885120][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 809.885120][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 809.885120][ T74] ipv6_find_idev+0x102/0x170 [ 809.885120][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 809.885120][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 809.885120][ T74] netlink_rcv_skb+0x130/0x360 [ 809.885120][ T74] netlink_unicast+0x449/0x710 [ 809.885120][ T74] netlink_sendmsg+0x723/0xbe0 [ 809.885120][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 809.885120][ T74] ___sys_sendmsg+0xee/0x170 [ 809.885120][ T74] __sys_sendmsg+0xcd/0x170 [ 809.885120][ T74] do_syscall_64+0xc6/0x1e0 [ 809.885120][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 809.885120][ T74] [ 809.887297][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 809.887297][ T74] neigh_parms_alloc+0x1e5/0x510 [ 809.887297][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 809.887297][ T74] ipv6_find_idev+0x102/0x170 [ 809.887297][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 809.887297][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 809.887297][ T74] netlink_rcv_skb+0x130/0x360 [ 809.887297][ T74] netlink_unicast+0x449/0x710 [ 809.887297][ T74] netlink_sendmsg+0x723/0xbe0 [ 809.887297][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 809.887297][ T74] ___sys_sendmsg+0xee/0x170 [ 809.887297][ T74] __sys_sendmsg+0xcd/0x170 [ 809.887297][ T74] do_syscall_64+0xc6/0x1e0 [ 809.887297][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 809.887297][ T74] [ 809.889461][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 809.889776][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 809.889776][ T74] dst_init+0x84/0x4a0 [ 809.889776][ T74] dst_alloc+0x97/0x150 [ 809.889776][ T74] ip6_dst_alloc+0x23/0x90 [ 809.889776][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 809.889776][ T74] ip6_pol_route+0x56f/0x840 [ 809.889776][ T74] fib6_rule_lookup+0x456/0x630 [ 809.889776][ T74] ip6_route_input+0x59c/0xa50 [ 809.889776][ T74] ipv6_rcv+0x397/0x810 [ 809.889776][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 809.889776][ T74] process_backlog+0x101/0x620 [ 809.889776][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 809.889776][ T74] net_rx_action+0x495/0xbe0 [ 809.889776][ T74] __do_softirq+0x1b5/0x7f6 [ 809.889776][ T74] [ 809.891829][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 809.891829][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 809.891829][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 809.891829][ T74] fib6_nh_init+0xa22/0x1580 [ 809.891829][ T74] ip6_route_info_create+0xf18/0x17d0 [ 809.891829][ T74] ip6_route_add+0x1c/0x140 [ 809.891829][ T74] inet6_rtm_newroute+0x104/0x110 [ 809.891829][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 809.891829][ T74] netlink_rcv_skb+0x130/0x360 [ 809.891829][ T74] netlink_unicast+0x449/0x710 [ 809.891829][ T74] netlink_sendmsg+0x723/0xbe0 [ 809.891829][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 809.891829][ T74] ___sys_sendmsg+0xee/0x170 [ 809.891829][ T74] __sys_sendmsg+0xcd/0x170 [ 809.891829][ T74] do_syscall_64+0xc6/0x1e0 [ 809.891829][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 809.891829][ T74] [ 809.894029][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 809.894029][ T74] netdev_get_by_index+0x5e/0x80 [ 809.894029][ T74] fib6_nh_init+0x3d8/0x1580 [ 809.894029][ T74] ip6_route_info_create+0xf18/0x17d0 [ 809.894029][ T74] addrconf_f6i_alloc+0x265/0x560 [ 809.894029][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 809.894029][ T74] addrconf_join_anycast+0x1c0/0x220 [ 809.894029][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 809.894029][ T74] addrconf_dad_completed+0x12b/0xe20 [ 809.894029][ T74] addrconf_dad_begin+0x310/0x670 [ 809.894029][ T74] addrconf_dad_work+0x10b/0xab0 [ 809.894029][ T74] process_one_work+0x84d/0x18a0 [ 809.894029][ T74] worker_thread+0x587/0xd30 [ 809.894029][ T74] kthread+0x28a/0x350 [ 809.894029][ T74] ret_from_fork+0x31/0x70 [ 809.894029][ T74] ret_from_fork_asm+0x1a/0x30 [ 809.894029][ T74] [ 809.896567][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 809.896567][ T74] netdev_get_by_index+0x5e/0x80 [ 809.896567][ T74] fib6_nh_init+0x3d8/0x1580 [ 809.896567][ T74] ip6_route_info_create+0xf18/0x17d0 [ 809.896567][ T74] ip6_route_add+0x1c/0x140 [ 809.896567][ T74] addrconf_prefix_route+0x2a6/0x430 [ 809.896567][ T74] inet6_addr_add+0x4f8/0xa40 [ 809.896567][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 809.896567][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 809.896567][ T74] netlink_rcv_skb+0x130/0x360 [ 809.896567][ T74] netlink_unicast+0x449/0x710 [ 809.896567][ T74] netlink_sendmsg+0x723/0xbe0 [ 809.896567][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 809.896567][ T74] ___sys_sendmsg+0xee/0x170 [ 809.896567][ T74] __sys_sendmsg+0xcd/0x170 [ 809.896567][ T74] do_syscall_64+0xc6/0x1e0 [ 809.896567][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 809.896567][ T74] [ 809.899241][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 809.899241][ T74] netdev_get_by_index+0x5e/0x80 [ 809.899241][ T74] fib6_nh_init+0x3d8/0x1580 [ 809.899241][ T74] ip6_route_info_create+0xf18/0x17d0 [ 809.899241][ T74] addrconf_f6i_alloc+0x315/0x560 [ 809.899241][ T74] ipv6_add_addr+0x411/0x2000 [ 809.899241][ T74] inet6_addr_add+0x30e/0xa40 [ 809.899241][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 809.899241][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 809.899241][ T74] netlink_rcv_skb+0x130/0x360 [ 809.899241][ T74] netlink_unicast+0x449/0x710 [ 809.899241][ T74] netlink_sendmsg+0x723/0xbe0 [ 809.899241][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 809.899241][ T74] ___sys_sendmsg+0xee/0x170 [ 809.899241][ T74] __sys_sendmsg+0xcd/0x170 [ 809.899241][ T74] do_syscall_64+0xc6/0x1e0 [ 809.899241][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 809.899241][ T74] [ 809.901922][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 809.901922][ T74] netdev_get_by_index+0x5e/0x80 [ 809.901922][ T74] fib6_nh_init+0x3d8/0x1580 [ 809.901922][ T74] ip6_route_info_create+0xf18/0x17d0 [ 809.901922][ T74] ip6_route_add+0x1c/0x140 [ 809.901922][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 809.901922][ T74] addrconf_add_dev+0xe2/0x170 [ 809.901922][ T74] inet6_addr_add+0x12f/0xa40 [ 809.901922][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 809.901922][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 809.901922][ T74] netlink_rcv_skb+0x130/0x360 [ 809.901922][ T74] netlink_unicast+0x449/0x710 [ 809.901922][ T74] netlink_sendmsg+0x723/0xbe0 [ 809.901922][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 809.901922][ T74] ___sys_sendmsg+0xee/0x170 [ 809.901922][ T74] __sys_sendmsg+0xcd/0x170 [ 809.901922][ T74] do_syscall_64+0xc6/0x1e0 [ 809.901922][ T74] [ 809.904534][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 809.904534][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 809.904534][ T74] ipv6_find_idev+0x102/0x170 [ 809.904534][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 809.904534][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 809.904534][ T74] netlink_rcv_skb+0x130/0x360 [ 809.904534][ T74] netlink_unicast+0x449/0x710 [ 809.904534][ T74] netlink_sendmsg+0x723/0xbe0 [ 809.904534][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 809.904534][ T74] ___sys_sendmsg+0xee/0x170 [ 809.904534][ T74] __sys_sendmsg+0xcd/0x170 [ 809.904534][ T74] do_syscall_64+0xc6/0x1e0 [ 809.904534][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 809.904534][ T74] [ 809.906590][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 809.906590][ T74] neigh_parms_alloc+0x1e5/0x510 [ 809.906590][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 809.906590][ T74] ipv6_find_idev+0x102/0x170 [ 809.906590][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 809.906590][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 809.906590][ T74] netlink_rcv_skb+0x130/0x360 [ 809.906590][ T74] netlink_unicast+0x449/0x710 [ 809.906590][ T74] netlink_sendmsg+0x723/0xbe0 [ 809.906590][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 809.906590][ T74] ___sys_sendmsg+0xee/0x170 [ 809.906590][ T74] __sys_sendmsg+0xcd/0x170 [ 809.906590][ T74] do_syscall_64+0xc6/0x1e0 [ 809.906590][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 809.906590][ T74] [ 809.909376][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 809.910053][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 809.910053][ T74] netdev_get_by_index+0x5e/0x80 [ 809.910053][ T74] fib6_nh_init+0x3d8/0x1580 [ 809.910053][ T74] ip6_route_info_create+0xf18/0x17d0 [ 809.910053][ T74] ip6_route_add+0x1c/0x140 [ 809.910053][ T74] addrconf_prefix_route+0x2a6/0x430 [ 809.910053][ T74] inet6_addr_add+0x4f8/0xa40 [ 809.910053][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 809.910053][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 809.910053][ T74] netlink_rcv_skb+0x130/0x360 [ 809.910053][ T74] netlink_unicast+0x449/0x710 [ 809.910053][ T74] netlink_sendmsg+0x723/0xbe0 [ 809.910053][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 809.910053][ T74] ___sys_sendmsg+0xee/0x170 [ 809.910053][ T74] __sys_sendmsg+0xcd/0x170 [ 809.910053][ T74] do_syscall_64+0xc6/0x1e0 [ 809.910053][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 809.910053][ T74] [ 809.912420][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 809.912420][ T74] netdev_get_by_index+0x5e/0x80 [ 809.912420][ T74] fib6_nh_init+0x3d8/0x1580 [ 809.912420][ T74] ip6_route_info_create+0xf18/0x17d0 [ 809.912420][ T74] addrconf_f6i_alloc+0x315/0x560 [ 809.912420][ T74] ipv6_add_addr+0x411/0x2000 [ 809.912420][ T74] inet6_addr_add+0x30e/0xa40 [ 809.912420][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 809.912420][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 809.912420][ T74] netlink_rcv_skb+0x130/0x360 [ 809.912420][ T74] netlink_unicast+0x449/0x710 [ 809.912420][ T74] netlink_sendmsg+0x723/0xbe0 [ 809.912420][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 809.912420][ T74] ___sys_sendmsg+0xee/0x170 [ 809.912420][ T74] __sys_sendmsg+0xcd/0x170 [ 809.912420][ T74] do_syscall_64+0xc6/0x1e0 [ 809.912420][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 809.912420][ T74] [ 809.914693][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 809.914693][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 809.914693][ T74] ipv6_find_idev+0x102/0x170 [ 809.914693][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 809.914693][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 809.914693][ T74] netlink_rcv_skb+0x130/0x360 [ 809.914693][ T74] netlink_unicast+0x449/0x710 [ 809.914693][ T74] netlink_sendmsg+0x723/0xbe0 [ 809.914693][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 809.914693][ T74] ___sys_sendmsg+0xee/0x170 [ 809.914693][ T74] __sys_sendmsg+0xcd/0x170 [ 809.914693][ T74] do_syscall_64+0xc6/0x1e0 [ 809.914693][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 809.914693][ T74] [ 809.916536][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 809.916536][ T74] neigh_parms_alloc+0x1e5/0x510 [ 809.916536][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 809.916536][ T74] ipv6_find_idev+0x102/0x170 [ 809.916536][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 809.916536][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 809.916536][ T74] netlink_rcv_skb+0x130/0x360 [ 809.916536][ T74] netlink_unicast+0x449/0x710 [ 809.916536][ T74] netlink_sendmsg+0x723/0xbe0 [ 809.916536][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 809.916536][ T74] ___sys_sendmsg+0xee/0x170 [ 809.916536][ T74] __sys_sendmsg+0xcd/0x170 [ 809.916536][ T74] do_syscall_64+0xc6/0x1e0 [ 809.916536][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 809.916536][ T74] [ 820.031930][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 820.032898][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 820.032898][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 820.032898][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 820.032898][ T74] fib6_nh_init+0xa22/0x1580 [ 820.032898][ T74] ip6_route_info_create+0xf18/0x17d0 [ 820.032898][ T74] ip6_route_add+0x1c/0x140 [ 820.032898][ T74] inet6_rtm_newroute+0x104/0x110 [ 820.032898][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 820.032898][ T74] netlink_rcv_skb+0x130/0x360 [ 820.032898][ T74] netlink_unicast+0x449/0x710 [ 820.032898][ T74] netlink_sendmsg+0x723/0xbe0 [ 820.032898][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 820.032898][ T74] ___sys_sendmsg+0xee/0x170 [ 820.032898][ T74] __sys_sendmsg+0xcd/0x170 [ 820.032898][ T74] do_syscall_64+0xc6/0x1e0 [ 820.032898][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 820.032898][ T74] [ 820.035230][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 820.035230][ T74] netdev_get_by_index+0x5e/0x80 [ 820.035230][ T74] fib6_nh_init+0x3d8/0x1580 [ 820.035230][ T74] ip6_route_info_create+0xf18/0x17d0 [ 820.035230][ T74] addrconf_f6i_alloc+0x265/0x560 [ 820.035230][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 820.035230][ T74] addrconf_join_anycast+0x1c0/0x220 [ 820.035230][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 820.035230][ T74] addrconf_dad_completed+0x12b/0xe20 [ 820.035230][ T74] addrconf_dad_begin+0x310/0x670 [ 820.035230][ T74] addrconf_dad_work+0x10b/0xab0 [ 820.035230][ T74] process_one_work+0x84d/0x18a0 [ 820.035230][ T74] worker_thread+0x587/0xd30 [ 820.035230][ T74] kthread+0x28a/0x350 [ 820.035230][ T74] ret_from_fork+0x31/0x70 [ 820.035230][ T74] ret_from_fork_asm+0x1a/0x30 [ 820.035230][ T74] [ 820.037683][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 820.037683][ T74] netdev_get_by_index+0x5e/0x80 [ 820.037683][ T74] fib6_nh_init+0x3d8/0x1580 [ 820.037683][ T74] ip6_route_info_create+0xf18/0x17d0 [ 820.037683][ T74] ip6_route_add+0x1c/0x140 [ 820.037683][ T74] addrconf_prefix_route+0x2a6/0x430 [ 820.037683][ T74] inet6_addr_add+0x4f8/0xa40 [ 820.037683][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 820.037683][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 820.037683][ T74] netlink_rcv_skb+0x130/0x360 [ 820.037683][ T74] netlink_unicast+0x449/0x710 [ 820.037683][ T74] netlink_sendmsg+0x723/0xbe0 [ 820.037683][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 820.037683][ T74] ___sys_sendmsg+0xee/0x170 [ 820.037683][ T74] __sys_sendmsg+0xcd/0x170 [ 820.037683][ T74] do_syscall_64+0xc6/0x1e0 [ 820.037683][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 820.037683][ T74] [ 820.040155][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 820.040155][ T74] netdev_get_by_index+0x5e/0x80 [ 820.040155][ T74] fib6_nh_init+0x3d8/0x1580 [ 820.040155][ T74] ip6_route_info_create+0xf18/0x17d0 [ 820.040155][ T74] addrconf_f6i_alloc+0x315/0x560 [ 820.040155][ T74] ipv6_add_addr+0x411/0x2000 [ 820.040155][ T74] inet6_addr_add+0x30e/0xa40 [ 820.040155][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 820.040155][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 820.040155][ T74] netlink_rcv_skb+0x130/0x360 [ 820.040155][ T74] netlink_unicast+0x449/0x710 [ 820.040155][ T74] netlink_sendmsg+0x723/0xbe0 [ 820.040155][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 820.040155][ T74] ___sys_sendmsg+0xee/0x170 [ 820.040155][ T74] __sys_sendmsg+0xcd/0x170 [ 820.040155][ T74] do_syscall_64+0xc6/0x1e0 [ 820.040155][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 820.040155][ T74] [ 820.042579][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 820.042579][ T74] netdev_get_by_index+0x5e/0x80 [ 820.042579][ T74] fib6_nh_init+0x3d8/0x1580 [ 820.042579][ T74] ip6_route_info_create+0xf18/0x17d0 [ 820.042579][ T74] ip6_route_add+0x1c/0x140 [ 820.042579][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 820.042579][ T74] addrconf_add_dev+0xe2/0x170 [ 820.042579][ T74] inet6_addr_add+0x12f/0xa40 [ 820.042579][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 820.042579][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 820.042579][ T74] netlink_rcv_skb+0x130/0x360 [ 820.042579][ T74] netlink_unicast+0x449/0x710 [ 820.042579][ T74] netlink_sendmsg+0x723/0xbe0 [ 820.042579][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 820.042579][ T74] ___sys_sendmsg+0xee/0x170 [ 820.042579][ T74] __sys_sendmsg+0xcd/0x170 [ 820.042579][ T74] do_syscall_64+0xc6/0x1e0 [ 820.042579][ T74] [ 820.045327][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 820.045327][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 820.045327][ T74] ipv6_find_idev+0x102/0x170 [ 820.045327][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 820.045327][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 820.045327][ T74] netlink_rcv_skb+0x130/0x360 [ 820.045327][ T74] netlink_unicast+0x449/0x710 [ 820.045327][ T74] netlink_sendmsg+0x723/0xbe0 [ 820.045327][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 820.045327][ T74] ___sys_sendmsg+0xee/0x170 [ 820.045327][ T74] __sys_sendmsg+0xcd/0x170 [ 820.045327][ T74] do_syscall_64+0xc6/0x1e0 [ 820.045327][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 820.045327][ T74] [ 820.047505][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 820.047505][ T74] neigh_parms_alloc+0x1e5/0x510 [ 820.047505][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 820.047505][ T74] ipv6_find_idev+0x102/0x170 [ 820.047505][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 820.047505][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 820.047505][ T74] netlink_rcv_skb+0x130/0x360 [ 820.047505][ T74] netlink_unicast+0x449/0x710 [ 820.047505][ T74] netlink_sendmsg+0x723/0xbe0 [ 820.047505][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 820.047505][ T74] ___sys_sendmsg+0xee/0x170 [ 820.047505][ T74] __sys_sendmsg+0xcd/0x170 [ 820.047505][ T74] do_syscall_64+0xc6/0x1e0 [ 820.047505][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 820.047505][ T74] [ 820.049835][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 820.050421][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 820.050421][ T74] dst_init+0x84/0x4a0 [ 820.050421][ T74] dst_alloc+0x97/0x150 [ 820.050421][ T74] ip6_dst_alloc+0x23/0x90 [ 820.050421][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 820.050421][ T74] ip6_pol_route+0x56f/0x840 [ 820.050421][ T74] fib6_rule_lookup+0x456/0x630 [ 820.050421][ T74] ip6_route_input+0x59c/0xa50 [ 820.050421][ T74] ipv6_rcv+0x397/0x810 [ 820.050421][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 820.050421][ T74] process_backlog+0x101/0x620 [ 820.050421][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 820.050421][ T74] net_rx_action+0x495/0xbe0 [ 820.050421][ T74] __do_softirq+0x1b5/0x7f6 [ 820.050421][ T74] [ 820.052705][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 820.052705][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 820.052705][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 820.052705][ T74] fib6_nh_init+0xa22/0x1580 [ 820.052705][ T74] ip6_route_info_create+0xf18/0x17d0 [ 820.052705][ T74] ip6_route_add+0x1c/0x140 [ 820.052705][ T74] inet6_rtm_newroute+0x104/0x110 [ 820.052705][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 820.052705][ T74] netlink_rcv_skb+0x130/0x360 [ 820.052705][ T74] netlink_unicast+0x449/0x710 [ 820.052705][ T74] netlink_sendmsg+0x723/0xbe0 [ 820.052705][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 820.052705][ T74] ___sys_sendmsg+0xee/0x170 [ 820.052705][ T74] __sys_sendmsg+0xcd/0x170 [ 820.052705][ T74] do_syscall_64+0xc6/0x1e0 [ 820.052705][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 820.052705][ T74] [ 820.055312][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 820.055312][ T74] netdev_get_by_index+0x5e/0x80 [ 820.055312][ T74] fib6_nh_init+0x3d8/0x1580 [ 820.055312][ T74] ip6_route_info_create+0xf18/0x17d0 [ 820.055312][ T74] addrconf_f6i_alloc+0x265/0x560 [ 820.055312][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 820.055312][ T74] addrconf_join_anycast+0x1c0/0x220 [ 820.055312][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 820.055312][ T74] addrconf_dad_completed+0x12b/0xe20 [ 820.055312][ T74] addrconf_dad_begin+0x310/0x670 [ 820.055312][ T74] addrconf_dad_work+0x10b/0xab0 [ 820.055312][ T74] process_one_work+0x84d/0x18a0 [ 820.055312][ T74] worker_thread+0x587/0xd30 [ 820.055312][ T74] kthread+0x28a/0x350 [ 820.055312][ T74] ret_from_fork+0x31/0x70 [ 820.055312][ T74] ret_from_fork_asm+0x1a/0x30 [ 820.055312][ T74] [ 820.058024][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 820.058024][ T74] netdev_get_by_index+0x5e/0x80 [ 820.058024][ T74] fib6_nh_init+0x3d8/0x1580 [ 820.058024][ T74] ip6_route_info_create+0xf18/0x17d0 [ 820.058024][ T74] ip6_route_add+0x1c/0x140 [ 820.058024][ T74] addrconf_prefix_route+0x2a6/0x430 [ 820.058024][ T74] inet6_addr_add+0x4f8/0xa40 [ 820.058024][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 820.058024][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 820.058024][ T74] netlink_rcv_skb+0x130/0x360 [ 820.058024][ T74] netlink_unicast+0x449/0x710 [ 820.058024][ T74] netlink_sendmsg+0x723/0xbe0 [ 820.058024][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 820.058024][ T74] ___sys_sendmsg+0xee/0x170 [ 820.058024][ T74] __sys_sendmsg+0xcd/0x170 [ 820.058024][ T74] do_syscall_64+0xc6/0x1e0 [ 820.058024][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 820.058024][ T74] [ 820.060821][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 820.060821][ T74] netdev_get_by_index+0x5e/0x80 [ 820.060821][ T74] fib6_nh_init+0x3d8/0x1580 [ 820.060821][ T74] ip6_route_info_create+0xf18/0x17d0 [ 820.060821][ T74] addrconf_f6i_alloc+0x315/0x560 [ 820.060821][ T74] ipv6_add_addr+0x411/0x2000 [ 820.060821][ T74] inet6_addr_add+0x30e/0xa40 [ 820.060821][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 820.060821][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 820.060821][ T74] netlink_rcv_skb+0x130/0x360 [ 820.060821][ T74] netlink_unicast+0x449/0x710 [ 820.060821][ T74] netlink_sendmsg+0x723/0xbe0 [ 820.060821][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 820.060821][ T74] ___sys_sendmsg+0xee/0x170 [ 820.060821][ T74] __sys_sendmsg+0xcd/0x170 [ 820.060821][ T74] do_syscall_64+0xc6/0x1e0 [ 820.060821][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 820.060821][ T74] [ 820.063629][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 820.063629][ T74] netdev_get_by_index+0x5e/0x80 [ 820.063629][ T74] fib6_nh_init+0x3d8/0x1580 [ 820.063629][ T74] ip6_route_info_create+0xf18/0x17d0 [ 820.063629][ T74] ip6_route_add+0x1c/0x140 [ 820.063629][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 820.063629][ T74] addrconf_add_dev+0xe2/0x170 [ 820.063629][ T74] inet6_addr_add+0x12f/0xa40 [ 820.063629][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 820.063629][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 820.063629][ T74] netlink_rcv_skb+0x130/0x360 [ 820.063629][ T74] netlink_unicast+0x449/0x710 [ 820.063629][ T74] netlink_sendmsg+0x723/0xbe0 [ 820.063629][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 820.063629][ T74] ___sys_sendmsg+0xee/0x170 [ 820.063629][ T74] __sys_sendmsg+0xcd/0x170 [ 820.063629][ T74] do_syscall_64+0xc6/0x1e0 [ 820.063629][ T74] [ 820.066216][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 820.066216][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 820.066216][ T74] ipv6_find_idev+0x102/0x170 [ 820.066216][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 820.066216][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 820.066216][ T74] netlink_rcv_skb+0x130/0x360 [ 820.066216][ T74] netlink_unicast+0x449/0x710 [ 820.066216][ T74] netlink_sendmsg+0x723/0xbe0 [ 820.066216][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 820.066216][ T74] ___sys_sendmsg+0xee/0x170 [ 820.066216][ T74] __sys_sendmsg+0xcd/0x170 [ 820.066216][ T74] do_syscall_64+0xc6/0x1e0 [ 820.066216][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 820.066216][ T74] [ 820.068353][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 820.068353][ T74] neigh_parms_alloc+0x1e5/0x510 [ 820.068353][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 820.068353][ T74] ipv6_find_idev+0x102/0x170 [ 820.068353][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 820.068353][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 820.068353][ T74] netlink_rcv_skb+0x130/0x360 [ 820.068353][ T74] netlink_unicast+0x449/0x710 [ 820.068353][ T74] netlink_sendmsg+0x723/0xbe0 [ 820.068353][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 820.068353][ T74] ___sys_sendmsg+0xee/0x170 [ 820.068353][ T74] __sys_sendmsg+0xcd/0x170 [ 820.068353][ T74] do_syscall_64+0xc6/0x1e0 [ 820.068353][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 820.068353][ T74] [ 820.070618][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 820.070981][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 820.070981][ T74] netdev_get_by_index+0x5e/0x80 [ 820.070981][ T74] fib6_nh_init+0x3d8/0x1580 [ 820.070981][ T74] ip6_route_info_create+0xf18/0x17d0 [ 820.070981][ T74] ip6_route_add+0x1c/0x140 [ 820.070981][ T74] addrconf_prefix_route+0x2a6/0x430 [ 820.070981][ T74] inet6_addr_add+0x4f8/0xa40 [ 820.070981][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 820.070981][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 820.070981][ T74] netlink_rcv_skb+0x130/0x360 [ 820.070981][ T74] netlink_unicast+0x449/0x710 [ 820.070981][ T74] netlink_sendmsg+0x723/0xbe0 [ 820.070981][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 820.070981][ T74] ___sys_sendmsg+0xee/0x170 [ 820.070981][ T74] __sys_sendmsg+0xcd/0x170 [ 820.070981][ T74] do_syscall_64+0xc6/0x1e0 [ 820.070981][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 820.070981][ T74] [ 820.073684][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 820.073684][ T74] netdev_get_by_index+0x5e/0x80 [ 820.073684][ T74] fib6_nh_init+0x3d8/0x1580 [ 820.073684][ T74] ip6_route_info_create+0xf18/0x17d0 [ 820.073684][ T74] addrconf_f6i_alloc+0x315/0x560 [ 820.073684][ T74] ipv6_add_addr+0x411/0x2000 [ 820.073684][ T74] inet6_addr_add+0x30e/0xa40 [ 820.073684][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 820.073684][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 820.073684][ T74] netlink_rcv_skb+0x130/0x360 [ 820.073684][ T74] netlink_unicast+0x449/0x710 [ 820.073684][ T74] netlink_sendmsg+0x723/0xbe0 [ 820.073684][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 820.073684][ T74] ___sys_sendmsg+0xee/0x170 [ 820.073684][ T74] __sys_sendmsg+0xcd/0x170 [ 820.073684][ T74] do_syscall_64+0xc6/0x1e0 [ 820.073684][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 820.073684][ T74] [ 820.076495][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 820.076495][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 820.076495][ T74] ipv6_find_idev+0x102/0x170 [ 820.076495][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 820.076495][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 820.076495][ T74] netlink_rcv_skb+0x130/0x360 [ 820.076495][ T74] netlink_unicast+0x449/0x710 [ 820.076495][ T74] netlink_sendmsg+0x723/0xbe0 [ 820.076495][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 820.076495][ T74] ___sys_sendmsg+0xee/0x170 [ 820.076495][ T74] __sys_sendmsg+0xcd/0x170 [ 820.076495][ T74] do_syscall_64+0xc6/0x1e0 [ 820.076495][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 820.076495][ T74] [ 820.078675][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 820.078675][ T74] neigh_parms_alloc+0x1e5/0x510 [ 820.078675][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 820.078675][ T74] ipv6_find_idev+0x102/0x170 [ 820.078675][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 820.078675][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 820.078675][ T74] netlink_rcv_skb+0x130/0x360 [ 820.078675][ T74] netlink_unicast+0x449/0x710 [ 820.078675][ T74] netlink_sendmsg+0x723/0xbe0 [ 820.078675][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 820.078675][ T74] ___sys_sendmsg+0xee/0x170 [ 820.078675][ T74] __sys_sendmsg+0xcd/0x170 [ 820.078675][ T74] do_syscall_64+0xc6/0x1e0 [ 820.078675][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 820.078675][ T74] [ 830.247878][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 830.248328][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 830.248328][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 830.248328][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 830.248328][ T74] fib6_nh_init+0xa22/0x1580 [ 830.248328][ T74] ip6_route_info_create+0xf18/0x17d0 [ 830.248328][ T74] ip6_route_add+0x1c/0x140 [ 830.248328][ T74] inet6_rtm_newroute+0x104/0x110 [ 830.248328][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 830.248328][ T74] netlink_rcv_skb+0x130/0x360 [ 830.248328][ T74] netlink_unicast+0x449/0x710 [ 830.248328][ T74] netlink_sendmsg+0x723/0xbe0 [ 830.248328][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 830.248328][ T74] ___sys_sendmsg+0xee/0x170 [ 830.248328][ T74] __sys_sendmsg+0xcd/0x170 [ 830.248328][ T74] do_syscall_64+0xc6/0x1e0 [ 830.248328][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 830.248328][ T74] [ 830.250404][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 830.250404][ T74] netdev_get_by_index+0x5e/0x80 [ 830.250404][ T74] fib6_nh_init+0x3d8/0x1580 [ 830.250404][ T74] ip6_route_info_create+0xf18/0x17d0 [ 830.250404][ T74] addrconf_f6i_alloc+0x265/0x560 [ 830.250404][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 830.250404][ T74] addrconf_join_anycast+0x1c0/0x220 [ 830.250404][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 830.250404][ T74] addrconf_dad_completed+0x12b/0xe20 [ 830.250404][ T74] addrconf_dad_begin+0x310/0x670 [ 830.250404][ T74] addrconf_dad_work+0x10b/0xab0 [ 830.250404][ T74] process_one_work+0x84d/0x18a0 [ 830.250404][ T74] worker_thread+0x587/0xd30 [ 830.250404][ T74] kthread+0x28a/0x350 [ 830.250404][ T74] ret_from_fork+0x31/0x70 [ 830.250404][ T74] ret_from_fork_asm+0x1a/0x30 [ 830.250404][ T74] [ 830.252430][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 830.252430][ T74] netdev_get_by_index+0x5e/0x80 [ 830.252430][ T74] fib6_nh_init+0x3d8/0x1580 [ 830.252430][ T74] ip6_route_info_create+0xf18/0x17d0 [ 830.252430][ T74] ip6_route_add+0x1c/0x140 [ 830.252430][ T74] addrconf_prefix_route+0x2a6/0x430 [ 830.252430][ T74] inet6_addr_add+0x4f8/0xa40 [ 830.252430][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 830.252430][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 830.252430][ T74] netlink_rcv_skb+0x130/0x360 [ 830.252430][ T74] netlink_unicast+0x449/0x710 [ 830.252430][ T74] netlink_sendmsg+0x723/0xbe0 [ 830.252430][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 830.252430][ T74] ___sys_sendmsg+0xee/0x170 [ 830.252430][ T74] __sys_sendmsg+0xcd/0x170 [ 830.252430][ T74] do_syscall_64+0xc6/0x1e0 [ 830.252430][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 830.252430][ T74] [ 830.254521][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 830.254521][ T74] netdev_get_by_index+0x5e/0x80 [ 830.254521][ T74] fib6_nh_init+0x3d8/0x1580 [ 830.254521][ T74] ip6_route_info_create+0xf18/0x17d0 [ 830.254521][ T74] addrconf_f6i_alloc+0x315/0x560 [ 830.254521][ T74] ipv6_add_addr+0x411/0x2000 [ 830.254521][ T74] inet6_addr_add+0x30e/0xa40 [ 830.254521][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 830.254521][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 830.254521][ T74] netlink_rcv_skb+0x130/0x360 [ 830.254521][ T74] netlink_unicast+0x449/0x710 [ 830.254521][ T74] netlink_sendmsg+0x723/0xbe0 [ 830.254521][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 830.254521][ T74] ___sys_sendmsg+0xee/0x170 [ 830.254521][ T74] __sys_sendmsg+0xcd/0x170 [ 830.254521][ T74] do_syscall_64+0xc6/0x1e0 [ 830.254521][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 830.254521][ T74] [ 830.256675][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 830.256675][ T74] netdev_get_by_index+0x5e/0x80 [ 830.256675][ T74] fib6_nh_init+0x3d8/0x1580 [ 830.256675][ T74] ip6_route_info_create+0xf18/0x17d0 [ 830.256675][ T74] ip6_route_add+0x1c/0x140 [ 830.256675][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 830.256675][ T74] addrconf_add_dev+0xe2/0x170 [ 830.256675][ T74] inet6_addr_add+0x12f/0xa40 [ 830.256675][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 830.256675][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 830.256675][ T74] netlink_rcv_skb+0x130/0x360 [ 830.256675][ T74] netlink_unicast+0x449/0x710 [ 830.256675][ T74] netlink_sendmsg+0x723/0xbe0 [ 830.256675][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 830.256675][ T74] ___sys_sendmsg+0xee/0x170 [ 830.256675][ T74] __sys_sendmsg+0xcd/0x170 [ 830.256675][ T74] do_syscall_64+0xc6/0x1e0 [ 830.256675][ T74] [ 830.258873][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 830.258873][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 830.258873][ T74] ipv6_find_idev+0x102/0x170 [ 830.258873][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 830.258873][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 830.258873][ T74] netlink_rcv_skb+0x130/0x360 [ 830.258873][ T74] netlink_unicast+0x449/0x710 [ 830.258873][ T74] netlink_sendmsg+0x723/0xbe0 [ 830.258873][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 830.258873][ T74] ___sys_sendmsg+0xee/0x170 [ 830.258873][ T74] __sys_sendmsg+0xcd/0x170 [ 830.258873][ T74] do_syscall_64+0xc6/0x1e0 [ 830.258873][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 830.258873][ T74] [ 830.260795][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 830.260795][ T74] neigh_parms_alloc+0x1e5/0x510 [ 830.260795][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 830.260795][ T74] ipv6_find_idev+0x102/0x170 [ 830.260795][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 830.260795][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 830.260795][ T74] netlink_rcv_skb+0x130/0x360 [ 830.260795][ T74] netlink_unicast+0x449/0x710 [ 830.260795][ T74] netlink_sendmsg+0x723/0xbe0 [ 830.260795][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 830.260795][ T74] ___sys_sendmsg+0xee/0x170 [ 830.260795][ T74] __sys_sendmsg+0xcd/0x170 [ 830.260795][ T74] do_syscall_64+0xc6/0x1e0 [ 830.260795][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 830.260795][ T74] [ 830.262923][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 830.263208][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 830.263208][ T74] dst_init+0x84/0x4a0 [ 830.263208][ T74] dst_alloc+0x97/0x150 [ 830.263208][ T74] ip6_dst_alloc+0x23/0x90 [ 830.263208][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 830.263208][ T74] ip6_pol_route+0x56f/0x840 [ 830.263208][ T74] fib6_rule_lookup+0x456/0x630 [ 830.263208][ T74] ip6_route_input+0x59c/0xa50 [ 830.263208][ T74] ipv6_rcv+0x397/0x810 [ 830.263208][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 830.263208][ T74] process_backlog+0x101/0x620 [ 830.263208][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 830.263208][ T74] net_rx_action+0x495/0xbe0 [ 830.263208][ T74] __do_softirq+0x1b5/0x7f6 [ 830.263208][ T74] [ 830.265046][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 830.265046][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 830.265046][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 830.265046][ T74] fib6_nh_init+0xa22/0x1580 [ 830.265046][ T74] ip6_route_info_create+0xf18/0x17d0 [ 830.265046][ T74] ip6_route_add+0x1c/0x140 [ 830.265046][ T74] inet6_rtm_newroute+0x104/0x110 [ 830.265046][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 830.265046][ T74] netlink_rcv_skb+0x130/0x360 [ 830.265046][ T74] netlink_unicast+0x449/0x710 [ 830.265046][ T74] netlink_sendmsg+0x723/0xbe0 [ 830.265046][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 830.265046][ T74] ___sys_sendmsg+0xee/0x170 [ 830.265046][ T74] __sys_sendmsg+0xcd/0x170 [ 830.265046][ T74] do_syscall_64+0xc6/0x1e0 [ 830.265046][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 830.265046][ T74] [ 830.267192][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 830.267192][ T74] netdev_get_by_index+0x5e/0x80 [ 830.267192][ T74] fib6_nh_init+0x3d8/0x1580 [ 830.267192][ T74] ip6_route_info_create+0xf18/0x17d0 [ 830.267192][ T74] addrconf_f6i_alloc+0x265/0x560 [ 830.267192][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 830.267192][ T74] addrconf_join_anycast+0x1c0/0x220 [ 830.267192][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 830.267192][ T74] addrconf_dad_completed+0x12b/0xe20 [ 830.267192][ T74] addrconf_dad_begin+0x310/0x670 [ 830.267192][ T74] addrconf_dad_work+0x10b/0xab0 [ 830.267192][ T74] process_one_work+0x84d/0x18a0 [ 830.267192][ T74] worker_thread+0x587/0xd30 [ 830.267192][ T74] kthread+0x28a/0x350 [ 830.267192][ T74] ret_from_fork+0x31/0x70 [ 830.267192][ T74] ret_from_fork_asm+0x1a/0x30 [ 830.267192][ T74] [ 830.269289][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 830.269289][ T74] netdev_get_by_index+0x5e/0x80 [ 830.269289][ T74] fib6_nh_init+0x3d8/0x1580 [ 830.269289][ T74] ip6_route_info_create+0xf18/0x17d0 [ 830.269289][ T74] ip6_route_add+0x1c/0x140 [ 830.269289][ T74] addrconf_prefix_route+0x2a6/0x430 [ 830.269289][ T74] inet6_addr_add+0x4f8/0xa40 [ 830.269289][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 830.269289][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 830.269289][ T74] netlink_rcv_skb+0x130/0x360 [ 830.269289][ T74] netlink_unicast+0x449/0x710 [ 830.269289][ T74] netlink_sendmsg+0x723/0xbe0 [ 830.269289][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 830.269289][ T74] ___sys_sendmsg+0xee/0x170 [ 830.269289][ T74] __sys_sendmsg+0xcd/0x170 [ 830.269289][ T74] do_syscall_64+0xc6/0x1e0 [ 830.269289][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 830.269289][ T74] [ 830.271615][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 830.271615][ T74] netdev_get_by_index+0x5e/0x80 [ 830.271615][ T74] fib6_nh_init+0x3d8/0x1580 [ 830.271615][ T74] ip6_route_info_create+0xf18/0x17d0 [ 830.271615][ T74] addrconf_f6i_alloc+0x315/0x560 [ 830.271615][ T74] ipv6_add_addr+0x411/0x2000 [ 830.271615][ T74] inet6_addr_add+0x30e/0xa40 [ 830.271615][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 830.271615][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 830.271615][ T74] netlink_rcv_skb+0x130/0x360 [ 830.271615][ T74] netlink_unicast+0x449/0x710 [ 830.271615][ T74] netlink_sendmsg+0x723/0xbe0 [ 830.271615][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 830.271615][ T74] ___sys_sendmsg+0xee/0x170 [ 830.271615][ T74] __sys_sendmsg+0xcd/0x170 [ 830.271615][ T74] do_syscall_64+0xc6/0x1e0 [ 830.271615][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 830.271615][ T74] [ 830.273929][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 830.273929][ T74] netdev_get_by_index+0x5e/0x80 [ 830.273929][ T74] fib6_nh_init+0x3d8/0x1580 [ 830.273929][ T74] ip6_route_info_create+0xf18/0x17d0 [ 830.273929][ T74] ip6_route_add+0x1c/0x140 [ 830.273929][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 830.273929][ T74] addrconf_add_dev+0xe2/0x170 [ 830.273929][ T74] inet6_addr_add+0x12f/0xa40 [ 830.273929][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 830.273929][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 830.273929][ T74] netlink_rcv_skb+0x130/0x360 [ 830.273929][ T74] netlink_unicast+0x449/0x710 [ 830.273929][ T74] netlink_sendmsg+0x723/0xbe0 [ 830.273929][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 830.273929][ T74] ___sys_sendmsg+0xee/0x170 [ 830.273929][ T74] __sys_sendmsg+0xcd/0x170 [ 830.273929][ T74] do_syscall_64+0xc6/0x1e0 [ 830.273929][ T74] [ 830.276149][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 830.276149][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 830.276149][ T74] ipv6_find_idev+0x102/0x170 [ 830.276149][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 830.276149][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 830.276149][ T74] netlink_rcv_skb+0x130/0x360 [ 830.276149][ T74] netlink_unicast+0x449/0x710 [ 830.276149][ T74] netlink_sendmsg+0x723/0xbe0 [ 830.276149][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 830.276149][ T74] ___sys_sendmsg+0xee/0x170 [ 830.276149][ T74] __sys_sendmsg+0xcd/0x170 [ 830.276149][ T74] do_syscall_64+0xc6/0x1e0 [ 830.276149][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 830.276149][ T74] [ 830.277864][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 830.277864][ T74] neigh_parms_alloc+0x1e5/0x510 [ 830.277864][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 830.277864][ T74] ipv6_find_idev+0x102/0x170 [ 830.277864][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 830.277864][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 830.277864][ T74] netlink_rcv_skb+0x130/0x360 [ 830.277864][ T74] netlink_unicast+0x449/0x710 [ 830.277864][ T74] netlink_sendmsg+0x723/0xbe0 [ 830.277864][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 830.277864][ T74] ___sys_sendmsg+0xee/0x170 [ 830.277864][ T74] __sys_sendmsg+0xcd/0x170 [ 830.277864][ T74] do_syscall_64+0xc6/0x1e0 [ 830.277864][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 830.277864][ T74] [ 830.279902][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 830.280147][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 830.280147][ T74] netdev_get_by_index+0x5e/0x80 [ 830.280147][ T74] fib6_nh_init+0x3d8/0x1580 [ 830.280147][ T74] ip6_route_info_create+0xf18/0x17d0 [ 830.280147][ T74] ip6_route_add+0x1c/0x140 [ 830.280147][ T74] addrconf_prefix_route+0x2a6/0x430 [ 830.280147][ T74] inet6_addr_add+0x4f8/0xa40 [ 830.280147][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 830.280147][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 830.280147][ T74] netlink_rcv_skb+0x130/0x360 [ 830.280147][ T74] netlink_unicast+0x449/0x710 [ 830.280147][ T74] netlink_sendmsg+0x723/0xbe0 [ 830.280147][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 830.280147][ T74] ___sys_sendmsg+0xee/0x170 [ 830.280147][ T74] __sys_sendmsg+0xcd/0x170 [ 830.280147][ T74] do_syscall_64+0xc6/0x1e0 [ 830.280147][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 830.280147][ T74] [ 830.282240][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 830.282240][ T74] netdev_get_by_index+0x5e/0x80 [ 830.282240][ T74] fib6_nh_init+0x3d8/0x1580 [ 830.282240][ T74] ip6_route_info_create+0xf18/0x17d0 [ 830.282240][ T74] addrconf_f6i_alloc+0x315/0x560 [ 830.282240][ T74] ipv6_add_addr+0x411/0x2000 [ 830.282240][ T74] inet6_addr_add+0x30e/0xa40 [ 830.282240][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 830.282240][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 830.282240][ T74] netlink_rcv_skb+0x130/0x360 [ 830.282240][ T74] netlink_unicast+0x449/0x710 [ 830.282240][ T74] netlink_sendmsg+0x723/0xbe0 [ 830.282240][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 830.282240][ T74] ___sys_sendmsg+0xee/0x170 [ 830.282240][ T74] __sys_sendmsg+0xcd/0x170 [ 830.282240][ T74] do_syscall_64+0xc6/0x1e0 [ 830.282240][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 830.282240][ T74] [ 830.284397][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 830.284397][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 830.284397][ T74] ipv6_find_idev+0x102/0x170 [ 830.284397][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 830.284397][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 830.284397][ T74] netlink_rcv_skb+0x130/0x360 [ 830.284397][ T74] netlink_unicast+0x449/0x710 [ 830.284397][ T74] netlink_sendmsg+0x723/0xbe0 [ 830.284397][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 830.284397][ T74] ___sys_sendmsg+0xee/0x170 [ 830.284397][ T74] __sys_sendmsg+0xcd/0x170 [ 830.284397][ T74] do_syscall_64+0xc6/0x1e0 [ 830.284397][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 830.284397][ T74] [ 830.286004][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 830.286004][ T74] neigh_parms_alloc+0x1e5/0x510 [ 830.286004][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 830.286004][ T74] ipv6_find_idev+0x102/0x170 [ 830.286004][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 830.286004][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 830.286004][ T74] netlink_rcv_skb+0x130/0x360 [ 830.286004][ T74] netlink_unicast+0x449/0x710 [ 830.286004][ T74] netlink_sendmsg+0x723/0xbe0 [ 830.286004][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 830.286004][ T74] ___sys_sendmsg+0xee/0x170 [ 830.286004][ T74] __sys_sendmsg+0xcd/0x170 [ 830.286004][ T74] do_syscall_64+0xc6/0x1e0 [ 830.286004][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 830.286004][ T74] [ 840.384867][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 840.385221][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 840.385221][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 840.385221][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 840.385221][ T74] fib6_nh_init+0xa22/0x1580 [ 840.385221][ T74] ip6_route_info_create+0xf18/0x17d0 [ 840.385221][ T74] ip6_route_add+0x1c/0x140 [ 840.385221][ T74] inet6_rtm_newroute+0x104/0x110 [ 840.385221][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 840.385221][ T74] netlink_rcv_skb+0x130/0x360 [ 840.385221][ T74] netlink_unicast+0x449/0x710 [ 840.385221][ T74] netlink_sendmsg+0x723/0xbe0 [ 840.385221][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 840.385221][ T74] ___sys_sendmsg+0xee/0x170 [ 840.385221][ T74] __sys_sendmsg+0xcd/0x170 [ 840.385221][ T74] do_syscall_64+0xc6/0x1e0 [ 840.385221][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 840.385221][ T74] [ 840.387382][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 840.387382][ T74] netdev_get_by_index+0x5e/0x80 [ 840.387382][ T74] fib6_nh_init+0x3d8/0x1580 [ 840.387382][ T74] ip6_route_info_create+0xf18/0x17d0 [ 840.387382][ T74] addrconf_f6i_alloc+0x265/0x560 [ 840.387382][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 840.387382][ T74] addrconf_join_anycast+0x1c0/0x220 [ 840.387382][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 840.387382][ T74] addrconf_dad_completed+0x12b/0xe20 [ 840.387382][ T74] addrconf_dad_begin+0x310/0x670 [ 840.387382][ T74] addrconf_dad_work+0x10b/0xab0 [ 840.387382][ T74] process_one_work+0x84d/0x18a0 [ 840.387382][ T74] worker_thread+0x587/0xd30 [ 840.387382][ T74] kthread+0x28a/0x350 [ 840.387382][ T74] ret_from_fork+0x31/0x70 [ 840.387382][ T74] ret_from_fork_asm+0x1a/0x30 [ 840.387382][ T74] [ 840.389647][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 840.389647][ T74] netdev_get_by_index+0x5e/0x80 [ 840.389647][ T74] fib6_nh_init+0x3d8/0x1580 [ 840.389647][ T74] ip6_route_info_create+0xf18/0x17d0 [ 840.389647][ T74] ip6_route_add+0x1c/0x140 [ 840.389647][ T74] addrconf_prefix_route+0x2a6/0x430 [ 840.389647][ T74] inet6_addr_add+0x4f8/0xa40 [ 840.389647][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 840.389647][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 840.389647][ T74] netlink_rcv_skb+0x130/0x360 [ 840.389647][ T74] netlink_unicast+0x449/0x710 [ 840.389647][ T74] netlink_sendmsg+0x723/0xbe0 [ 840.389647][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 840.389647][ T74] ___sys_sendmsg+0xee/0x170 [ 840.389647][ T74] __sys_sendmsg+0xcd/0x170 [ 840.389647][ T74] do_syscall_64+0xc6/0x1e0 [ 840.389647][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 840.389647][ T74] [ 840.391985][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 840.391985][ T74] netdev_get_by_index+0x5e/0x80 [ 840.391985][ T74] fib6_nh_init+0x3d8/0x1580 [ 840.391985][ T74] ip6_route_info_create+0xf18/0x17d0 [ 840.391985][ T74] addrconf_f6i_alloc+0x315/0x560 [ 840.391985][ T74] ipv6_add_addr+0x411/0x2000 [ 840.391985][ T74] inet6_addr_add+0x30e/0xa40 [ 840.391985][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 840.391985][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 840.391985][ T74] netlink_rcv_skb+0x130/0x360 [ 840.391985][ T74] netlink_unicast+0x449/0x710 [ 840.391985][ T74] netlink_sendmsg+0x723/0xbe0 [ 840.391985][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 840.391985][ T74] ___sys_sendmsg+0xee/0x170 [ 840.391985][ T74] __sys_sendmsg+0xcd/0x170 [ 840.391985][ T74] do_syscall_64+0xc6/0x1e0 [ 840.391985][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 840.391985][ T74] [ 840.394291][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 840.394291][ T74] netdev_get_by_index+0x5e/0x80 [ 840.394291][ T74] fib6_nh_init+0x3d8/0x1580 [ 840.394291][ T74] ip6_route_info_create+0xf18/0x17d0 [ 840.394291][ T74] ip6_route_add+0x1c/0x140 [ 840.394291][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 840.394291][ T74] addrconf_add_dev+0xe2/0x170 [ 840.394291][ T74] inet6_addr_add+0x12f/0xa40 [ 840.394291][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 840.394291][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 840.394291][ T74] netlink_rcv_skb+0x130/0x360 [ 840.394291][ T74] netlink_unicast+0x449/0x710 [ 840.394291][ T74] netlink_sendmsg+0x723/0xbe0 [ 840.394291][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 840.394291][ T74] ___sys_sendmsg+0xee/0x170 [ 840.394291][ T74] __sys_sendmsg+0xcd/0x170 [ 840.394291][ T74] do_syscall_64+0xc6/0x1e0 [ 840.394291][ T74] [ 840.396656][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 840.396656][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 840.396656][ T74] ipv6_find_idev+0x102/0x170 [ 840.396656][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 840.396656][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 840.396656][ T74] netlink_rcv_skb+0x130/0x360 [ 840.396656][ T74] netlink_unicast+0x449/0x710 [ 840.396656][ T74] netlink_sendmsg+0x723/0xbe0 [ 840.396656][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 840.396656][ T74] ___sys_sendmsg+0xee/0x170 [ 840.396656][ T74] __sys_sendmsg+0xcd/0x170 [ 840.396656][ T74] do_syscall_64+0xc6/0x1e0 [ 840.396656][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 840.396656][ T74] [ 840.398497][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 840.398497][ T74] neigh_parms_alloc+0x1e5/0x510 [ 840.398497][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 840.398497][ T74] ipv6_find_idev+0x102/0x170 [ 840.398497][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 840.398497][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 840.398497][ T74] netlink_rcv_skb+0x130/0x360 [ 840.398497][ T74] netlink_unicast+0x449/0x710 [ 840.398497][ T74] netlink_sendmsg+0x723/0xbe0 [ 840.398497][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 840.398497][ T74] ___sys_sendmsg+0xee/0x170 [ 840.398497][ T74] __sys_sendmsg+0xcd/0x170 [ 840.398497][ T74] do_syscall_64+0xc6/0x1e0 [ 840.398497][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 840.398497][ T74] [ 840.400823][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 840.401152][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 840.401152][ T74] dst_init+0x84/0x4a0 [ 840.401152][ T74] dst_alloc+0x97/0x150 [ 840.401152][ T74] ip6_dst_alloc+0x23/0x90 [ 840.401152][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 840.401152][ T74] ip6_pol_route+0x56f/0x840 [ 840.401152][ T74] fib6_rule_lookup+0x456/0x630 [ 840.401152][ T74] ip6_route_input+0x59c/0xa50 [ 840.401152][ T74] ipv6_rcv+0x397/0x810 [ 840.401152][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 840.401152][ T74] process_backlog+0x101/0x620 [ 840.401152][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 840.401152][ T74] net_rx_action+0x495/0xbe0 [ 840.401152][ T74] __do_softirq+0x1b5/0x7f6 [ 840.401152][ T74] [ 840.403294][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 840.403294][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 840.403294][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 840.403294][ T74] fib6_nh_init+0xa22/0x1580 [ 840.403294][ T74] ip6_route_info_create+0xf18/0x17d0 [ 840.403294][ T74] ip6_route_add+0x1c/0x140 [ 840.403294][ T74] inet6_rtm_newroute+0x104/0x110 [ 840.403294][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 840.403294][ T74] netlink_rcv_skb+0x130/0x360 [ 840.403294][ T74] netlink_unicast+0x449/0x710 [ 840.403294][ T74] netlink_sendmsg+0x723/0xbe0 [ 840.403294][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 840.403294][ T74] ___sys_sendmsg+0xee/0x170 [ 840.403294][ T74] __sys_sendmsg+0xcd/0x170 [ 840.403294][ T74] do_syscall_64+0xc6/0x1e0 [ 840.403294][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 840.403294][ T74] [ 840.405833][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 840.405833][ T74] netdev_get_by_index+0x5e/0x80 [ 840.405833][ T74] fib6_nh_init+0x3d8/0x1580 [ 840.405833][ T74] ip6_route_info_create+0xf18/0x17d0 [ 840.405833][ T74] addrconf_f6i_alloc+0x265/0x560 [ 840.405833][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 840.405833][ T74] addrconf_join_anycast+0x1c0/0x220 [ 840.405833][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 840.405833][ T74] addrconf_dad_completed+0x12b/0xe20 [ 840.405833][ T74] addrconf_dad_begin+0x310/0x670 [ 840.405833][ T74] addrconf_dad_work+0x10b/0xab0 [ 840.405833][ T74] process_one_work+0x84d/0x18a0 [ 840.405833][ T74] worker_thread+0x587/0xd30 [ 840.405833][ T74] kthread+0x28a/0x350 [ 840.405833][ T74] ret_from_fork+0x31/0x70 [ 840.405833][ T74] ret_from_fork_asm+0x1a/0x30 [ 840.405833][ T74] [ 840.408379][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 840.408379][ T74] netdev_get_by_index+0x5e/0x80 [ 840.408379][ T74] fib6_nh_init+0x3d8/0x1580 [ 840.408379][ T74] ip6_route_info_create+0xf18/0x17d0 [ 840.408379][ T74] ip6_route_add+0x1c/0x140 [ 840.408379][ T74] addrconf_prefix_route+0x2a6/0x430 [ 840.408379][ T74] inet6_addr_add+0x4f8/0xa40 [ 840.408379][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 840.408379][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 840.408379][ T74] netlink_rcv_skb+0x130/0x360 [ 840.408379][ T74] netlink_unicast+0x449/0x710 [ 840.408379][ T74] netlink_sendmsg+0x723/0xbe0 [ 840.408379][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 840.408379][ T74] ___sys_sendmsg+0xee/0x170 [ 840.408379][ T74] __sys_sendmsg+0xcd/0x170 [ 840.408379][ T74] do_syscall_64+0xc6/0x1e0 [ 840.408379][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 840.408379][ T74] [ 840.410844][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 840.410844][ T74] netdev_get_by_index+0x5e/0x80 [ 840.410844][ T74] fib6_nh_init+0x3d8/0x1580 [ 840.410844][ T74] ip6_route_info_create+0xf18/0x17d0 [ 840.410844][ T74] addrconf_f6i_alloc+0x315/0x560 [ 840.410844][ T74] ipv6_add_addr+0x411/0x2000 [ 840.410844][ T74] inet6_addr_add+0x30e/0xa40 [ 840.410844][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 840.410844][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 840.410844][ T74] netlink_rcv_skb+0x130/0x360 [ 840.410844][ T74] netlink_unicast+0x449/0x710 [ 840.410844][ T74] netlink_sendmsg+0x723/0xbe0 [ 840.410844][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 840.410844][ T74] ___sys_sendmsg+0xee/0x170 [ 840.410844][ T74] __sys_sendmsg+0xcd/0x170 [ 840.410844][ T74] do_syscall_64+0xc6/0x1e0 [ 840.410844][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 840.410844][ T74] [ 840.413428][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 840.413428][ T74] netdev_get_by_index+0x5e/0x80 [ 840.413428][ T74] fib6_nh_init+0x3d8/0x1580 [ 840.413428][ T74] ip6_route_info_create+0xf18/0x17d0 [ 840.413428][ T74] ip6_route_add+0x1c/0x140 [ 840.413428][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 840.413428][ T74] addrconf_add_dev+0xe2/0x170 [ 840.413428][ T74] inet6_addr_add+0x12f/0xa40 [ 840.413428][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 840.413428][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 840.413428][ T74] netlink_rcv_skb+0x130/0x360 [ 840.413428][ T74] netlink_unicast+0x449/0x710 [ 840.413428][ T74] netlink_sendmsg+0x723/0xbe0 [ 840.413428][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 840.413428][ T74] ___sys_sendmsg+0xee/0x170 [ 840.413428][ T74] __sys_sendmsg+0xcd/0x170 [ 840.413428][ T74] do_syscall_64+0xc6/0x1e0 [ 840.413428][ T74] [ 840.416034][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 840.416034][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 840.416034][ T74] ipv6_find_idev+0x102/0x170 [ 840.416034][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 840.416034][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 840.416034][ T74] netlink_rcv_skb+0x130/0x360 [ 840.416034][ T74] netlink_unicast+0x449/0x710 [ 840.416034][ T74] netlink_sendmsg+0x723/0xbe0 [ 840.416034][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 840.416034][ T74] ___sys_sendmsg+0xee/0x170 [ 840.416034][ T74] __sys_sendmsg+0xcd/0x170 [ 840.416034][ T74] do_syscall_64+0xc6/0x1e0 [ 840.416034][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 840.416034][ T74] [ 840.417918][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 840.417918][ T74] neigh_parms_alloc+0x1e5/0x510 [ 840.417918][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 840.417918][ T74] ipv6_find_idev+0x102/0x170 [ 840.417918][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 840.417918][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 840.417918][ T74] netlink_rcv_skb+0x130/0x360 [ 840.417918][ T74] netlink_unicast+0x449/0x710 [ 840.417918][ T74] netlink_sendmsg+0x723/0xbe0 [ 840.417918][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 840.417918][ T74] ___sys_sendmsg+0xee/0x170 [ 840.417918][ T74] __sys_sendmsg+0xcd/0x170 [ 840.417918][ T74] do_syscall_64+0xc6/0x1e0 [ 840.417918][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 840.417918][ T74] [ 840.419872][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 840.420197][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 840.420197][ T74] netdev_get_by_index+0x5e/0x80 [ 840.420197][ T74] fib6_nh_init+0x3d8/0x1580 [ 840.420197][ T74] ip6_route_info_create+0xf18/0x17d0 [ 840.420197][ T74] ip6_route_add+0x1c/0x140 [ 840.420197][ T74] addrconf_prefix_route+0x2a6/0x430 [ 840.420197][ T74] inet6_addr_add+0x4f8/0xa40 [ 840.420197][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 840.420197][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 840.420197][ T74] netlink_rcv_skb+0x130/0x360 [ 840.420197][ T74] netlink_unicast+0x449/0x710 [ 840.420197][ T74] netlink_sendmsg+0x723/0xbe0 [ 840.420197][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 840.420197][ T74] ___sys_sendmsg+0xee/0x170 [ 840.420197][ T74] __sys_sendmsg+0xcd/0x170 [ 840.420197][ T74] do_syscall_64+0xc6/0x1e0 [ 840.420197][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 840.420197][ T74] [ 840.422655][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 840.422655][ T74] netdev_get_by_index+0x5e/0x80 [ 840.422655][ T74] fib6_nh_init+0x3d8/0x1580 [ 840.422655][ T74] ip6_route_info_create+0xf18/0x17d0 [ 840.422655][ T74] addrconf_f6i_alloc+0x315/0x560 [ 840.422655][ T74] ipv6_add_addr+0x411/0x2000 [ 840.422655][ T74] inet6_addr_add+0x30e/0xa40 [ 840.422655][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 840.422655][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 840.422655][ T74] netlink_rcv_skb+0x130/0x360 [ 840.422655][ T74] netlink_unicast+0x449/0x710 [ 840.422655][ T74] netlink_sendmsg+0x723/0xbe0 [ 840.422655][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 840.422655][ T74] ___sys_sendmsg+0xee/0x170 [ 840.422655][ T74] __sys_sendmsg+0xcd/0x170 [ 840.422655][ T74] do_syscall_64+0xc6/0x1e0 [ 840.422655][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 840.422655][ T74] [ 840.424937][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 840.424937][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 840.424937][ T74] ipv6_find_idev+0x102/0x170 [ 840.424937][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 840.424937][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 840.424937][ T74] netlink_rcv_skb+0x130/0x360 [ 840.424937][ T74] netlink_unicast+0x449/0x710 [ 840.424937][ T74] netlink_sendmsg+0x723/0xbe0 [ 840.424937][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 840.424937][ T74] ___sys_sendmsg+0xee/0x170 [ 840.424937][ T74] __sys_sendmsg+0xcd/0x170 [ 840.424937][ T74] do_syscall_64+0xc6/0x1e0 [ 840.424937][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 840.424937][ T74] [ 840.426566][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 840.426566][ T74] neigh_parms_alloc+0x1e5/0x510 [ 840.426566][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 840.426566][ T74] ipv6_find_idev+0x102/0x170 [ 840.426566][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 840.426566][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 840.426566][ T74] netlink_rcv_skb+0x130/0x360 [ 840.426566][ T74] netlink_unicast+0x449/0x710 [ 840.426566][ T74] netlink_sendmsg+0x723/0xbe0 [ 840.426566][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 840.426566][ T74] ___sys_sendmsg+0xee/0x170 [ 840.426566][ T74] __sys_sendmsg+0xcd/0x170 [ 840.426566][ T74] do_syscall_64+0xc6/0x1e0 [ 840.426566][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 840.426566][ T74] [ 850.559870][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 850.560342][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 850.560342][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 850.560342][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 850.560342][ T74] fib6_nh_init+0xa22/0x1580 [ 850.560342][ T74] ip6_route_info_create+0xf18/0x17d0 [ 850.560342][ T74] ip6_route_add+0x1c/0x140 [ 850.560342][ T74] inet6_rtm_newroute+0x104/0x110 [ 850.560342][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 850.560342][ T74] netlink_rcv_skb+0x130/0x360 [ 850.560342][ T74] netlink_unicast+0x449/0x710 [ 850.560342][ T74] netlink_sendmsg+0x723/0xbe0 [ 850.560342][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 850.560342][ T74] ___sys_sendmsg+0xee/0x170 [ 850.560342][ T74] __sys_sendmsg+0xcd/0x170 [ 850.560342][ T74] do_syscall_64+0xc6/0x1e0 [ 850.560342][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 850.560342][ T74] [ 850.562543][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 850.562543][ T74] netdev_get_by_index+0x5e/0x80 [ 850.562543][ T74] fib6_nh_init+0x3d8/0x1580 [ 850.562543][ T74] ip6_route_info_create+0xf18/0x17d0 [ 850.562543][ T74] addrconf_f6i_alloc+0x265/0x560 [ 850.562543][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 850.562543][ T74] addrconf_join_anycast+0x1c0/0x220 [ 850.562543][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 850.562543][ T74] addrconf_dad_completed+0x12b/0xe20 [ 850.562543][ T74] addrconf_dad_begin+0x310/0x670 [ 850.562543][ T74] addrconf_dad_work+0x10b/0xab0 [ 850.562543][ T74] process_one_work+0x84d/0x18a0 [ 850.562543][ T74] worker_thread+0x587/0xd30 [ 850.562543][ T74] kthread+0x28a/0x350 [ 850.562543][ T74] ret_from_fork+0x31/0x70 [ 850.562543][ T74] ret_from_fork_asm+0x1a/0x30 [ 850.562543][ T74] [ 850.564865][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 850.564865][ T74] netdev_get_by_index+0x5e/0x80 [ 850.564865][ T74] fib6_nh_init+0x3d8/0x1580 [ 850.564865][ T74] ip6_route_info_create+0xf18/0x17d0 [ 850.564865][ T74] ip6_route_add+0x1c/0x140 [ 850.564865][ T74] addrconf_prefix_route+0x2a6/0x430 [ 850.564865][ T74] inet6_addr_add+0x4f8/0xa40 [ 850.564865][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 850.564865][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 850.564865][ T74] netlink_rcv_skb+0x130/0x360 [ 850.564865][ T74] netlink_unicast+0x449/0x710 [ 850.564865][ T74] netlink_sendmsg+0x723/0xbe0 [ 850.564865][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 850.564865][ T74] ___sys_sendmsg+0xee/0x170 [ 850.564865][ T74] __sys_sendmsg+0xcd/0x170 [ 850.564865][ T74] do_syscall_64+0xc6/0x1e0 [ 850.564865][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 850.564865][ T74] [ 850.567487][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 850.567487][ T74] netdev_get_by_index+0x5e/0x80 [ 850.567487][ T74] fib6_nh_init+0x3d8/0x1580 [ 850.567487][ T74] ip6_route_info_create+0xf18/0x17d0 [ 850.567487][ T74] addrconf_f6i_alloc+0x315/0x560 [ 850.567487][ T74] ipv6_add_addr+0x411/0x2000 [ 850.567487][ T74] inet6_addr_add+0x30e/0xa40 [ 850.567487][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 850.567487][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 850.567487][ T74] netlink_rcv_skb+0x130/0x360 [ 850.567487][ T74] netlink_unicast+0x449/0x710 [ 850.567487][ T74] netlink_sendmsg+0x723/0xbe0 [ 850.567487][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 850.567487][ T74] ___sys_sendmsg+0xee/0x170 [ 850.567487][ T74] __sys_sendmsg+0xcd/0x170 [ 850.567487][ T74] do_syscall_64+0xc6/0x1e0 [ 850.567487][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 850.567487][ T74] [ 850.570161][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 850.570161][ T74] netdev_get_by_index+0x5e/0x80 [ 850.570161][ T74] fib6_nh_init+0x3d8/0x1580 [ 850.570161][ T74] ip6_route_info_create+0xf18/0x17d0 [ 850.570161][ T74] ip6_route_add+0x1c/0x140 [ 850.570161][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 850.570161][ T74] addrconf_add_dev+0xe2/0x170 [ 850.570161][ T74] inet6_addr_add+0x12f/0xa40 [ 850.570161][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 850.570161][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 850.570161][ T74] netlink_rcv_skb+0x130/0x360 [ 850.570161][ T74] netlink_unicast+0x449/0x710 [ 850.570161][ T74] netlink_sendmsg+0x723/0xbe0 [ 850.570161][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 850.570161][ T74] ___sys_sendmsg+0xee/0x170 [ 850.570161][ T74] __sys_sendmsg+0xcd/0x170 [ 850.570161][ T74] do_syscall_64+0xc6/0x1e0 [ 850.570161][ T74] [ 850.572785][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 850.572785][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 850.572785][ T74] ipv6_find_idev+0x102/0x170 [ 850.572785][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 850.572785][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 850.572785][ T74] netlink_rcv_skb+0x130/0x360 [ 850.572785][ T74] netlink_unicast+0x449/0x710 [ 850.572785][ T74] netlink_sendmsg+0x723/0xbe0 [ 850.572785][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 850.572785][ T74] ___sys_sendmsg+0xee/0x170 [ 850.572785][ T74] __sys_sendmsg+0xcd/0x170 [ 850.572785][ T74] do_syscall_64+0xc6/0x1e0 [ 850.572785][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 850.572785][ T74] [ 850.574905][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 850.574905][ T74] neigh_parms_alloc+0x1e5/0x510 [ 850.574905][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 850.574905][ T74] ipv6_find_idev+0x102/0x170 [ 850.574905][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 850.574905][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 850.574905][ T74] netlink_rcv_skb+0x130/0x360 [ 850.574905][ T74] netlink_unicast+0x449/0x710 [ 850.574905][ T74] netlink_sendmsg+0x723/0xbe0 [ 850.574905][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 850.574905][ T74] ___sys_sendmsg+0xee/0x170 [ 850.574905][ T74] __sys_sendmsg+0xcd/0x170 [ 850.574905][ T74] do_syscall_64+0xc6/0x1e0 [ 850.574905][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 850.574905][ T74] [ 850.577703][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 850.578379][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 850.578379][ T74] dst_init+0x84/0x4a0 [ 850.578379][ T74] dst_alloc+0x97/0x150 [ 850.578379][ T74] ip6_dst_alloc+0x23/0x90 [ 850.578379][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 850.578379][ T74] ip6_pol_route+0x56f/0x840 [ 850.578379][ T74] fib6_rule_lookup+0x456/0x630 [ 850.578379][ T74] ip6_route_input+0x59c/0xa50 [ 850.578379][ T74] ipv6_rcv+0x397/0x810 [ 850.578379][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 850.578379][ T74] process_backlog+0x101/0x620 [ 850.578379][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 850.578379][ T74] net_rx_action+0x495/0xbe0 [ 850.578379][ T74] __do_softirq+0x1b5/0x7f6 [ 850.578379][ T74] [ 850.580319][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 850.580319][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 850.580319][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 850.580319][ T74] fib6_nh_init+0xa22/0x1580 [ 850.580319][ T74] ip6_route_info_create+0xf18/0x17d0 [ 850.580319][ T74] ip6_route_add+0x1c/0x140 [ 850.580319][ T74] inet6_rtm_newroute+0x104/0x110 [ 850.580319][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 850.580319][ T74] netlink_rcv_skb+0x130/0x360 [ 850.580319][ T74] netlink_unicast+0x449/0x710 [ 850.580319][ T74] netlink_sendmsg+0x723/0xbe0 [ 850.580319][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 850.580319][ T74] ___sys_sendmsg+0xee/0x170 [ 850.580319][ T74] __sys_sendmsg+0xcd/0x170 [ 850.580319][ T74] do_syscall_64+0xc6/0x1e0 [ 850.580319][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 850.580319][ T74] [ 850.582611][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 850.582611][ T74] netdev_get_by_index+0x5e/0x80 [ 850.582611][ T74] fib6_nh_init+0x3d8/0x1580 [ 850.582611][ T74] ip6_route_info_create+0xf18/0x17d0 [ 850.582611][ T74] addrconf_f6i_alloc+0x265/0x560 [ 850.582611][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 850.582611][ T74] addrconf_join_anycast+0x1c0/0x220 [ 850.582611][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 850.582611][ T74] addrconf_dad_completed+0x12b/0xe20 [ 850.582611][ T74] addrconf_dad_begin+0x310/0x670 [ 850.582611][ T74] addrconf_dad_work+0x10b/0xab0 [ 850.582611][ T74] process_one_work+0x84d/0x18a0 [ 850.582611][ T74] worker_thread+0x587/0xd30 [ 850.582611][ T74] kthread+0x28a/0x350 [ 850.582611][ T74] ret_from_fork+0x31/0x70 [ 850.582611][ T74] ret_from_fork_asm+0x1a/0x30 [ 850.582611][ T74] [ 850.585011][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 850.585011][ T74] netdev_get_by_index+0x5e/0x80 [ 850.585011][ T74] fib6_nh_init+0x3d8/0x1580 [ 850.585011][ T74] ip6_route_info_create+0xf18/0x17d0 [ 850.585011][ T74] ip6_route_add+0x1c/0x140 [ 850.585011][ T74] addrconf_prefix_route+0x2a6/0x430 [ 850.585011][ T74] inet6_addr_add+0x4f8/0xa40 [ 850.585011][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 850.585011][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 850.585011][ T74] netlink_rcv_skb+0x130/0x360 [ 850.585011][ T74] netlink_unicast+0x449/0x710 [ 850.585011][ T74] netlink_sendmsg+0x723/0xbe0 [ 850.585011][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 850.585011][ T74] ___sys_sendmsg+0xee/0x170 [ 850.585011][ T74] __sys_sendmsg+0xcd/0x170 [ 850.585011][ T74] do_syscall_64+0xc6/0x1e0 [ 850.585011][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 850.585011][ T74] [ 850.587512][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 850.587512][ T74] netdev_get_by_index+0x5e/0x80 [ 850.587512][ T74] fib6_nh_init+0x3d8/0x1580 [ 850.587512][ T74] ip6_route_info_create+0xf18/0x17d0 [ 850.587512][ T74] addrconf_f6i_alloc+0x315/0x560 [ 850.587512][ T74] ipv6_add_addr+0x411/0x2000 [ 850.587512][ T74] inet6_addr_add+0x30e/0xa40 [ 850.587512][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 850.587512][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 850.587512][ T74] netlink_rcv_skb+0x130/0x360 [ 850.587512][ T74] netlink_unicast+0x449/0x710 [ 850.587512][ T74] netlink_sendmsg+0x723/0xbe0 [ 850.587512][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 850.587512][ T74] ___sys_sendmsg+0xee/0x170 [ 850.587512][ T74] __sys_sendmsg+0xcd/0x170 [ 850.587512][ T74] do_syscall_64+0xc6/0x1e0 [ 850.587512][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 850.587512][ T74] [ 850.590047][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 850.590047][ T74] netdev_get_by_index+0x5e/0x80 [ 850.590047][ T74] fib6_nh_init+0x3d8/0x1580 [ 850.590047][ T74] ip6_route_info_create+0xf18/0x17d0 [ 850.590047][ T74] ip6_route_add+0x1c/0x140 [ 850.590047][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 850.590047][ T74] addrconf_add_dev+0xe2/0x170 [ 850.590047][ T74] inet6_addr_add+0x12f/0xa40 [ 850.590047][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 850.590047][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 850.590047][ T74] netlink_rcv_skb+0x130/0x360 [ 850.590047][ T74] netlink_unicast+0x449/0x710 [ 850.590047][ T74] netlink_sendmsg+0x723/0xbe0 [ 850.590047][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 850.590047][ T74] ___sys_sendmsg+0xee/0x170 [ 850.590047][ T74] __sys_sendmsg+0xcd/0x170 [ 850.590047][ T74] do_syscall_64+0xc6/0x1e0 [ 850.590047][ T74] [ 850.592821][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 850.592821][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 850.592821][ T74] ipv6_find_idev+0x102/0x170 [ 850.592821][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 850.592821][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 850.592821][ T74] netlink_rcv_skb+0x130/0x360 [ 850.592821][ T74] netlink_unicast+0x449/0x710 [ 850.592821][ T74] netlink_sendmsg+0x723/0xbe0 [ 850.592821][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 850.592821][ T74] ___sys_sendmsg+0xee/0x170 [ 850.592821][ T74] __sys_sendmsg+0xcd/0x170 [ 850.592821][ T74] do_syscall_64+0xc6/0x1e0 [ 850.592821][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 850.592821][ T74] [ 850.594832][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 850.594832][ T74] neigh_parms_alloc+0x1e5/0x510 [ 850.594832][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 850.594832][ T74] ipv6_find_idev+0x102/0x170 [ 850.594832][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 850.594832][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 850.594832][ T74] netlink_rcv_skb+0x130/0x360 [ 850.594832][ T74] netlink_unicast+0x449/0x710 [ 850.594832][ T74] netlink_sendmsg+0x723/0xbe0 [ 850.594832][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 850.594832][ T74] ___sys_sendmsg+0xee/0x170 [ 850.594832][ T74] __sys_sendmsg+0xcd/0x170 [ 850.594832][ T74] do_syscall_64+0xc6/0x1e0 [ 850.594832][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 850.594832][ T74] [ 850.597009][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 850.597287][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 850.597287][ T74] netdev_get_by_index+0x5e/0x80 [ 850.597287][ T74] fib6_nh_init+0x3d8/0x1580 [ 850.597287][ T74] ip6_route_info_create+0xf18/0x17d0 [ 850.597287][ T74] ip6_route_add+0x1c/0x140 [ 850.597287][ T74] addrconf_prefix_route+0x2a6/0x430 [ 850.597287][ T74] inet6_addr_add+0x4f8/0xa40 [ 850.597287][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 850.597287][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 850.597287][ T74] netlink_rcv_skb+0x130/0x360 [ 850.597287][ T74] netlink_unicast+0x449/0x710 [ 850.597287][ T74] netlink_sendmsg+0x723/0xbe0 [ 850.597287][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 850.597287][ T74] ___sys_sendmsg+0xee/0x170 [ 850.597287][ T74] __sys_sendmsg+0xcd/0x170 [ 850.597287][ T74] do_syscall_64+0xc6/0x1e0 [ 850.597287][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 850.597287][ T74] [ 850.599748][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 850.599748][ T74] netdev_get_by_index+0x5e/0x80 [ 850.599748][ T74] fib6_nh_init+0x3d8/0x1580 [ 850.599748][ T74] ip6_route_info_create+0xf18/0x17d0 [ 850.599748][ T74] addrconf_f6i_alloc+0x315/0x560 [ 850.599748][ T74] ipv6_add_addr+0x411/0x2000 [ 850.599748][ T74] inet6_addr_add+0x30e/0xa40 [ 850.599748][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 850.599748][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 850.599748][ T74] netlink_rcv_skb+0x130/0x360 [ 850.599748][ T74] netlink_unicast+0x449/0x710 [ 850.599748][ T74] netlink_sendmsg+0x723/0xbe0 [ 850.599748][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 850.599748][ T74] ___sys_sendmsg+0xee/0x170 [ 850.599748][ T74] __sys_sendmsg+0xcd/0x170 [ 850.599748][ T74] do_syscall_64+0xc6/0x1e0 [ 850.599748][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 850.599748][ T74] [ 850.602140][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 850.602140][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 850.602140][ T74] ipv6_find_idev+0x102/0x170 [ 850.602140][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 850.602140][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 850.602140][ T74] netlink_rcv_skb+0x130/0x360 [ 850.602140][ T74] netlink_unicast+0x449/0x710 [ 850.602140][ T74] netlink_sendmsg+0x723/0xbe0 [ 850.602140][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 850.602140][ T74] ___sys_sendmsg+0xee/0x170 [ 850.602140][ T74] __sys_sendmsg+0xcd/0x170 [ 850.602140][ T74] do_syscall_64+0xc6/0x1e0 [ 850.602140][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 850.602140][ T74] [ 850.604025][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 850.604025][ T74] neigh_parms_alloc+0x1e5/0x510 [ 850.604025][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 850.604025][ T74] ipv6_find_idev+0x102/0x170 [ 850.604025][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 850.604025][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 850.604025][ T74] netlink_rcv_skb+0x130/0x360 [ 850.604025][ T74] netlink_unicast+0x449/0x710 [ 850.604025][ T74] netlink_sendmsg+0x723/0xbe0 [ 850.604025][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 850.604025][ T74] ___sys_sendmsg+0xee/0x170 [ 850.604025][ T74] __sys_sendmsg+0xcd/0x170 [ 850.604025][ T74] do_syscall_64+0xc6/0x1e0 [ 850.604025][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 850.604025][ T74] [ 860.729261][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 860.729667][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 860.729667][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 860.729667][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 860.729667][ T74] fib6_nh_init+0xa22/0x1580 [ 860.729667][ T74] ip6_route_info_create+0xf18/0x17d0 [ 860.729667][ T74] ip6_route_add+0x1c/0x140 [ 860.729667][ T74] inet6_rtm_newroute+0x104/0x110 [ 860.729667][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 860.729667][ T74] netlink_rcv_skb+0x130/0x360 [ 860.729667][ T74] netlink_unicast+0x449/0x710 [ 860.729667][ T74] netlink_sendmsg+0x723/0xbe0 [ 860.729667][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 860.729667][ T74] ___sys_sendmsg+0xee/0x170 [ 860.729667][ T74] __sys_sendmsg+0xcd/0x170 [ 860.729667][ T74] do_syscall_64+0xc6/0x1e0 [ 860.729667][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 860.729667][ T74] [ 860.732038][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 860.732038][ T74] netdev_get_by_index+0x5e/0x80 [ 860.732038][ T74] fib6_nh_init+0x3d8/0x1580 [ 860.732038][ T74] ip6_route_info_create+0xf18/0x17d0 [ 860.732038][ T74] addrconf_f6i_alloc+0x265/0x560 [ 860.732038][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 860.732038][ T74] addrconf_join_anycast+0x1c0/0x220 [ 860.732038][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 860.732038][ T74] addrconf_dad_completed+0x12b/0xe20 [ 860.732038][ T74] addrconf_dad_begin+0x310/0x670 [ 860.732038][ T74] addrconf_dad_work+0x10b/0xab0 [ 860.732038][ T74] process_one_work+0x84d/0x18a0 [ 860.732038][ T74] worker_thread+0x587/0xd30 [ 860.732038][ T74] kthread+0x28a/0x350 [ 860.732038][ T74] ret_from_fork+0x31/0x70 [ 860.732038][ T74] ret_from_fork_asm+0x1a/0x30 [ 860.732038][ T74] [ 860.734309][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 860.734309][ T74] netdev_get_by_index+0x5e/0x80 [ 860.734309][ T74] fib6_nh_init+0x3d8/0x1580 [ 860.734309][ T74] ip6_route_info_create+0xf18/0x17d0 [ 860.734309][ T74] ip6_route_add+0x1c/0x140 [ 860.734309][ T74] addrconf_prefix_route+0x2a6/0x430 [ 860.734309][ T74] inet6_addr_add+0x4f8/0xa40 [ 860.734309][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 860.734309][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 860.734309][ T74] netlink_rcv_skb+0x130/0x360 [ 860.734309][ T74] netlink_unicast+0x449/0x710 [ 860.734309][ T74] netlink_sendmsg+0x723/0xbe0 [ 860.734309][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 860.734309][ T74] ___sys_sendmsg+0xee/0x170 [ 860.734309][ T74] __sys_sendmsg+0xcd/0x170 [ 860.734309][ T74] do_syscall_64+0xc6/0x1e0 [ 860.734309][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 860.734309][ T74] [ 860.736662][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 860.736662][ T74] netdev_get_by_index+0x5e/0x80 [ 860.736662][ T74] fib6_nh_init+0x3d8/0x1580 [ 860.736662][ T74] ip6_route_info_create+0xf18/0x17d0 [ 860.736662][ T74] addrconf_f6i_alloc+0x315/0x560 [ 860.736662][ T74] ipv6_add_addr+0x411/0x2000 [ 860.736662][ T74] inet6_addr_add+0x30e/0xa40 [ 860.736662][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 860.736662][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 860.736662][ T74] netlink_rcv_skb+0x130/0x360 [ 860.736662][ T74] netlink_unicast+0x449/0x710 [ 860.736662][ T74] netlink_sendmsg+0x723/0xbe0 [ 860.736662][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 860.736662][ T74] ___sys_sendmsg+0xee/0x170 [ 860.736662][ T74] __sys_sendmsg+0xcd/0x170 [ 860.736662][ T74] do_syscall_64+0xc6/0x1e0 [ 860.736662][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 860.736662][ T74] [ 860.739028][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 860.739028][ T74] netdev_get_by_index+0x5e/0x80 [ 860.739028][ T74] fib6_nh_init+0x3d8/0x1580 [ 860.739028][ T74] ip6_route_info_create+0xf18/0x17d0 [ 860.739028][ T74] ip6_route_add+0x1c/0x140 [ 860.739028][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 860.739028][ T74] addrconf_add_dev+0xe2/0x170 [ 860.739028][ T74] inet6_addr_add+0x12f/0xa40 [ 860.739028][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 860.739028][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 860.739028][ T74] netlink_rcv_skb+0x130/0x360 [ 860.739028][ T74] netlink_unicast+0x449/0x710 [ 860.739028][ T74] netlink_sendmsg+0x723/0xbe0 [ 860.739028][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 860.739028][ T74] ___sys_sendmsg+0xee/0x170 [ 860.739028][ T74] __sys_sendmsg+0xcd/0x170 [ 860.739028][ T74] do_syscall_64+0xc6/0x1e0 [ 860.739028][ T74] [ 860.741161][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 860.741161][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 860.741161][ T74] ipv6_find_idev+0x102/0x170 [ 860.741161][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 860.741161][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 860.741161][ T74] netlink_rcv_skb+0x130/0x360 [ 860.741161][ T74] netlink_unicast+0x449/0x710 [ 860.741161][ T74] netlink_sendmsg+0x723/0xbe0 [ 860.741161][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 860.741161][ T74] ___sys_sendmsg+0xee/0x170 [ 860.741161][ T74] __sys_sendmsg+0xcd/0x170 [ 860.741161][ T74] do_syscall_64+0xc6/0x1e0 [ 860.741161][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 860.741161][ T74] [ 860.743000][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 860.743000][ T74] neigh_parms_alloc+0x1e5/0x510 [ 860.743000][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 860.743000][ T74] ipv6_find_idev+0x102/0x170 [ 860.743000][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 860.743000][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 860.743000][ T74] netlink_rcv_skb+0x130/0x360 [ 860.743000][ T74] netlink_unicast+0x449/0x710 [ 860.743000][ T74] netlink_sendmsg+0x723/0xbe0 [ 860.743000][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 860.743000][ T74] ___sys_sendmsg+0xee/0x170 [ 860.743000][ T74] __sys_sendmsg+0xcd/0x170 [ 860.743000][ T74] do_syscall_64+0xc6/0x1e0 [ 860.743000][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 860.743000][ T74] [ 860.745341][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 860.745669][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 860.745669][ T74] dst_init+0x84/0x4a0 [ 860.745669][ T74] dst_alloc+0x97/0x150 [ 860.745669][ T74] ip6_dst_alloc+0x23/0x90 [ 860.745669][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 860.745669][ T74] ip6_pol_route+0x56f/0x840 [ 860.745669][ T74] fib6_rule_lookup+0x456/0x630 [ 860.745669][ T74] ip6_route_input+0x59c/0xa50 [ 860.745669][ T74] ipv6_rcv+0x397/0x810 [ 860.745669][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 860.745669][ T74] process_backlog+0x101/0x620 [ 860.745669][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 860.745669][ T74] net_rx_action+0x495/0xbe0 [ 860.745669][ T74] __do_softirq+0x1b5/0x7f6 [ 860.745669][ T74] [ 860.747415][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 860.747415][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 860.747415][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 860.747415][ T74] fib6_nh_init+0xa22/0x1580 [ 860.747415][ T74] ip6_route_info_create+0xf18/0x17d0 [ 860.747415][ T74] ip6_route_add+0x1c/0x140 [ 860.747415][ T74] inet6_rtm_newroute+0x104/0x110 [ 860.747415][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 860.747415][ T74] netlink_rcv_skb+0x130/0x360 [ 860.747415][ T74] netlink_unicast+0x449/0x710 [ 860.747415][ T74] netlink_sendmsg+0x723/0xbe0 [ 860.747415][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 860.747415][ T74] ___sys_sendmsg+0xee/0x170 [ 860.747415][ T74] __sys_sendmsg+0xcd/0x170 [ 860.747415][ T74] do_syscall_64+0xc6/0x1e0 [ 860.747415][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 860.747415][ T74] [ 860.749879][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 860.749879][ T74] netdev_get_by_index+0x5e/0x80 [ 860.749879][ T74] fib6_nh_init+0x3d8/0x1580 [ 860.749879][ T74] ip6_route_info_create+0xf18/0x17d0 [ 860.749879][ T74] addrconf_f6i_alloc+0x265/0x560 [ 860.749879][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 860.749879][ T74] addrconf_join_anycast+0x1c0/0x220 [ 860.749879][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 860.749879][ T74] addrconf_dad_completed+0x12b/0xe20 [ 860.749879][ T74] addrconf_dad_begin+0x310/0x670 [ 860.749879][ T74] addrconf_dad_work+0x10b/0xab0 [ 860.749879][ T74] process_one_work+0x84d/0x18a0 [ 860.749879][ T74] worker_thread+0x587/0xd30 [ 860.749879][ T74] kthread+0x28a/0x350 [ 860.749879][ T74] ret_from_fork+0x31/0x70 [ 860.749879][ T74] ret_from_fork_asm+0x1a/0x30 [ 860.749879][ T74] [ 860.752136][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 860.752136][ T74] netdev_get_by_index+0x5e/0x80 [ 860.752136][ T74] fib6_nh_init+0x3d8/0x1580 [ 860.752136][ T74] ip6_route_info_create+0xf18/0x17d0 [ 860.752136][ T74] ip6_route_add+0x1c/0x140 [ 860.752136][ T74] addrconf_prefix_route+0x2a6/0x430 [ 860.752136][ T74] inet6_addr_add+0x4f8/0xa40 [ 860.752136][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 860.752136][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 860.752136][ T74] netlink_rcv_skb+0x130/0x360 [ 860.752136][ T74] netlink_unicast+0x449/0x710 [ 860.752136][ T74] netlink_sendmsg+0x723/0xbe0 [ 860.752136][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 860.752136][ T74] ___sys_sendmsg+0xee/0x170 [ 860.752136][ T74] __sys_sendmsg+0xcd/0x170 [ 860.752136][ T74] do_syscall_64+0xc6/0x1e0 [ 860.752136][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 860.752136][ T74] [ 860.754466][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 860.754466][ T74] netdev_get_by_index+0x5e/0x80 [ 860.754466][ T74] fib6_nh_init+0x3d8/0x1580 [ 860.754466][ T74] ip6_route_info_create+0xf18/0x17d0 [ 860.754466][ T74] addrconf_f6i_alloc+0x315/0x560 [ 860.754466][ T74] ipv6_add_addr+0x411/0x2000 [ 860.754466][ T74] inet6_addr_add+0x30e/0xa40 [ 860.754466][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 860.754466][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 860.754466][ T74] netlink_rcv_skb+0x130/0x360 [ 860.754466][ T74] netlink_unicast+0x449/0x710 [ 860.754466][ T74] netlink_sendmsg+0x723/0xbe0 [ 860.754466][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 860.754466][ T74] ___sys_sendmsg+0xee/0x170 [ 860.754466][ T74] __sys_sendmsg+0xcd/0x170 [ 860.754466][ T74] do_syscall_64+0xc6/0x1e0 [ 860.754466][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 860.754466][ T74] [ 860.757095][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 860.757095][ T74] netdev_get_by_index+0x5e/0x80 [ 860.757095][ T74] fib6_nh_init+0x3d8/0x1580 [ 860.757095][ T74] ip6_route_info_create+0xf18/0x17d0 [ 860.757095][ T74] ip6_route_add+0x1c/0x140 [ 860.757095][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 860.757095][ T74] addrconf_add_dev+0xe2/0x170 [ 860.757095][ T74] inet6_addr_add+0x12f/0xa40 [ 860.757095][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 860.757095][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 860.757095][ T74] netlink_rcv_skb+0x130/0x360 [ 860.757095][ T74] netlink_unicast+0x449/0x710 [ 860.757095][ T74] netlink_sendmsg+0x723/0xbe0 [ 860.757095][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 860.757095][ T74] ___sys_sendmsg+0xee/0x170 [ 860.757095][ T74] __sys_sendmsg+0xcd/0x170 [ 860.757095][ T74] do_syscall_64+0xc6/0x1e0 [ 860.757095][ T74] [ 860.759559][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 860.759559][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 860.759559][ T74] ipv6_find_idev+0x102/0x170 [ 860.759559][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 860.759559][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 860.759559][ T74] netlink_rcv_skb+0x130/0x360 [ 860.759559][ T74] netlink_unicast+0x449/0x710 [ 860.759559][ T74] netlink_sendmsg+0x723/0xbe0 [ 860.759559][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 860.759559][ T74] ___sys_sendmsg+0xee/0x170 [ 860.759559][ T74] __sys_sendmsg+0xcd/0x170 [ 860.759559][ T74] do_syscall_64+0xc6/0x1e0 [ 860.759559][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 860.759559][ T74] [ 860.761454][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 860.761454][ T74] neigh_parms_alloc+0x1e5/0x510 [ 860.761454][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 860.761454][ T74] ipv6_find_idev+0x102/0x170 [ 860.761454][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 860.761454][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 860.761454][ T74] netlink_rcv_skb+0x130/0x360 [ 860.761454][ T74] netlink_unicast+0x449/0x710 [ 860.761454][ T74] netlink_sendmsg+0x723/0xbe0 [ 860.761454][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 860.761454][ T74] ___sys_sendmsg+0xee/0x170 [ 860.761454][ T74] __sys_sendmsg+0xcd/0x170 [ 860.761454][ T74] do_syscall_64+0xc6/0x1e0 [ 860.761454][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 860.761454][ T74] [ 860.763703][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 860.763991][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 860.763991][ T74] netdev_get_by_index+0x5e/0x80 [ 860.763991][ T74] fib6_nh_init+0x3d8/0x1580 [ 860.763991][ T74] ip6_route_info_create+0xf18/0x17d0 [ 860.763991][ T74] ip6_route_add+0x1c/0x140 [ 860.763991][ T74] addrconf_prefix_route+0x2a6/0x430 [ 860.763991][ T74] inet6_addr_add+0x4f8/0xa40 [ 860.763991][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 860.763991][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 860.763991][ T74] netlink_rcv_skb+0x130/0x360 [ 860.763991][ T74] netlink_unicast+0x449/0x710 [ 860.763991][ T74] netlink_sendmsg+0x723/0xbe0 [ 860.763991][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 860.763991][ T74] ___sys_sendmsg+0xee/0x170 [ 860.763991][ T74] __sys_sendmsg+0xcd/0x170 [ 860.763991][ T74] do_syscall_64+0xc6/0x1e0 [ 860.763991][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 860.763991][ T74] [ 860.766201][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 860.766201][ T74] netdev_get_by_index+0x5e/0x80 [ 860.766201][ T74] fib6_nh_init+0x3d8/0x1580 [ 860.766201][ T74] ip6_route_info_create+0xf18/0x17d0 [ 860.766201][ T74] addrconf_f6i_alloc+0x315/0x560 [ 860.766201][ T74] ipv6_add_addr+0x411/0x2000 [ 860.766201][ T74] inet6_addr_add+0x30e/0xa40 [ 860.766201][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 860.766201][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 860.766201][ T74] netlink_rcv_skb+0x130/0x360 [ 860.766201][ T74] netlink_unicast+0x449/0x710 [ 860.766201][ T74] netlink_sendmsg+0x723/0xbe0 [ 860.766201][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 860.766201][ T74] ___sys_sendmsg+0xee/0x170 [ 860.766201][ T74] __sys_sendmsg+0xcd/0x170 [ 860.766201][ T74] do_syscall_64+0xc6/0x1e0 [ 860.766201][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 860.766201][ T74] [ 860.768416][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 860.768416][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 860.768416][ T74] ipv6_find_idev+0x102/0x170 [ 860.768416][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 860.768416][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 860.768416][ T74] netlink_rcv_skb+0x130/0x360 [ 860.768416][ T74] netlink_unicast+0x449/0x710 [ 860.768416][ T74] netlink_sendmsg+0x723/0xbe0 [ 860.768416][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 860.768416][ T74] ___sys_sendmsg+0xee/0x170 [ 860.768416][ T74] __sys_sendmsg+0xcd/0x170 [ 860.768416][ T74] do_syscall_64+0xc6/0x1e0 [ 860.768416][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 860.768416][ T74] [ 860.770256][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 860.770256][ T74] neigh_parms_alloc+0x1e5/0x510 [ 860.770256][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 860.770256][ T74] ipv6_find_idev+0x102/0x170 [ 860.770256][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 860.770256][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 860.770256][ T74] netlink_rcv_skb+0x130/0x360 [ 860.770256][ T74] netlink_unicast+0x449/0x710 [ 860.770256][ T74] netlink_sendmsg+0x723/0xbe0 [ 860.770256][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 860.770256][ T74] ___sys_sendmsg+0xee/0x170 [ 860.770256][ T74] __sys_sendmsg+0xcd/0x170 [ 860.770256][ T74] do_syscall_64+0xc6/0x1e0 [ 860.770256][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 860.770256][ T74] [ 870.904167][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 870.904545][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 870.904545][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 870.904545][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 870.904545][ T74] fib6_nh_init+0xa22/0x1580 [ 870.904545][ T74] ip6_route_info_create+0xf18/0x17d0 [ 870.904545][ T74] ip6_route_add+0x1c/0x140 [ 870.904545][ T74] inet6_rtm_newroute+0x104/0x110 [ 870.904545][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 870.904545][ T74] netlink_rcv_skb+0x130/0x360 [ 870.904545][ T74] netlink_unicast+0x449/0x710 [ 870.904545][ T74] netlink_sendmsg+0x723/0xbe0 [ 870.904545][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 870.904545][ T74] ___sys_sendmsg+0xee/0x170 [ 870.904545][ T74] __sys_sendmsg+0xcd/0x170 [ 870.904545][ T74] do_syscall_64+0xc6/0x1e0 [ 870.904545][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 870.904545][ T74] [ 870.906681][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 870.906681][ T74] netdev_get_by_index+0x5e/0x80 [ 870.906681][ T74] fib6_nh_init+0x3d8/0x1580 [ 870.906681][ T74] ip6_route_info_create+0xf18/0x17d0 [ 870.906681][ T74] addrconf_f6i_alloc+0x265/0x560 [ 870.906681][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 870.906681][ T74] addrconf_join_anycast+0x1c0/0x220 [ 870.906681][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 870.906681][ T74] addrconf_dad_completed+0x12b/0xe20 [ 870.906681][ T74] addrconf_dad_begin+0x310/0x670 [ 870.906681][ T74] addrconf_dad_work+0x10b/0xab0 [ 870.906681][ T74] process_one_work+0x84d/0x18a0 [ 870.906681][ T74] worker_thread+0x587/0xd30 [ 870.906681][ T74] kthread+0x28a/0x350 [ 870.906681][ T74] ret_from_fork+0x31/0x70 [ 870.906681][ T74] ret_from_fork_asm+0x1a/0x30 [ 870.906681][ T74] [ 870.908738][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 870.908738][ T74] netdev_get_by_index+0x5e/0x80 [ 870.908738][ T74] fib6_nh_init+0x3d8/0x1580 [ 870.908738][ T74] ip6_route_info_create+0xf18/0x17d0 [ 870.908738][ T74] ip6_route_add+0x1c/0x140 [ 870.908738][ T74] addrconf_prefix_route+0x2a6/0x430 [ 870.908738][ T74] inet6_addr_add+0x4f8/0xa40 [ 870.908738][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 870.908738][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 870.908738][ T74] netlink_rcv_skb+0x130/0x360 [ 870.908738][ T74] netlink_unicast+0x449/0x710 [ 870.908738][ T74] netlink_sendmsg+0x723/0xbe0 [ 870.908738][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 870.908738][ T74] ___sys_sendmsg+0xee/0x170 [ 870.908738][ T74] __sys_sendmsg+0xcd/0x170 [ 870.908738][ T74] do_syscall_64+0xc6/0x1e0 [ 870.908738][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 870.908738][ T74] [ 870.910837][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 870.910837][ T74] netdev_get_by_index+0x5e/0x80 [ 870.910837][ T74] fib6_nh_init+0x3d8/0x1580 [ 870.910837][ T74] ip6_route_info_create+0xf18/0x17d0 [ 870.910837][ T74] addrconf_f6i_alloc+0x315/0x560 [ 870.910837][ T74] ipv6_add_addr+0x411/0x2000 [ 870.910837][ T74] inet6_addr_add+0x30e/0xa40 [ 870.910837][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 870.910837][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 870.910837][ T74] netlink_rcv_skb+0x130/0x360 [ 870.910837][ T74] netlink_unicast+0x449/0x710 [ 870.910837][ T74] netlink_sendmsg+0x723/0xbe0 [ 870.910837][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 870.910837][ T74] ___sys_sendmsg+0xee/0x170 [ 870.910837][ T74] __sys_sendmsg+0xcd/0x170 [ 870.910837][ T74] do_syscall_64+0xc6/0x1e0 [ 870.910837][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 870.910837][ T74] [ 870.913010][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 870.913010][ T74] netdev_get_by_index+0x5e/0x80 [ 870.913010][ T74] fib6_nh_init+0x3d8/0x1580 [ 870.913010][ T74] ip6_route_info_create+0xf18/0x17d0 [ 870.913010][ T74] ip6_route_add+0x1c/0x140 [ 870.913010][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 870.913010][ T74] addrconf_add_dev+0xe2/0x170 [ 870.913010][ T74] inet6_addr_add+0x12f/0xa40 [ 870.913010][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 870.913010][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 870.913010][ T74] netlink_rcv_skb+0x130/0x360 [ 870.913010][ T74] netlink_unicast+0x449/0x710 [ 870.913010][ T74] netlink_sendmsg+0x723/0xbe0 [ 870.913010][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 870.913010][ T74] ___sys_sendmsg+0xee/0x170 [ 870.913010][ T74] __sys_sendmsg+0xcd/0x170 [ 870.913010][ T74] do_syscall_64+0xc6/0x1e0 [ 870.913010][ T74] [ 870.915172][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 870.915172][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 870.915172][ T74] ipv6_find_idev+0x102/0x170 [ 870.915172][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 870.915172][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 870.915172][ T74] netlink_rcv_skb+0x130/0x360 [ 870.915172][ T74] netlink_unicast+0x449/0x710 [ 870.915172][ T74] netlink_sendmsg+0x723/0xbe0 [ 870.915172][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 870.915172][ T74] ___sys_sendmsg+0xee/0x170 [ 870.915172][ T74] __sys_sendmsg+0xcd/0x170 [ 870.915172][ T74] do_syscall_64+0xc6/0x1e0 [ 870.915172][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 870.915172][ T74] [ 870.916811][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 870.916811][ T74] neigh_parms_alloc+0x1e5/0x510 [ 870.916811][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 870.916811][ T74] ipv6_find_idev+0x102/0x170 [ 870.916811][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 870.916811][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 870.916811][ T74] netlink_rcv_skb+0x130/0x360 [ 870.916811][ T74] netlink_unicast+0x449/0x710 [ 870.916811][ T74] netlink_sendmsg+0x723/0xbe0 [ 870.916811][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 870.916811][ T74] ___sys_sendmsg+0xee/0x170 [ 870.916811][ T74] __sys_sendmsg+0xcd/0x170 [ 870.916811][ T74] do_syscall_64+0xc6/0x1e0 [ 870.916811][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 870.916811][ T74] [ 870.918941][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 870.919221][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 870.919221][ T74] dst_init+0x84/0x4a0 [ 870.919221][ T74] dst_alloc+0x97/0x150 [ 870.919221][ T74] ip6_dst_alloc+0x23/0x90 [ 870.919221][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 870.919221][ T74] ip6_pol_route+0x56f/0x840 [ 870.919221][ T74] fib6_rule_lookup+0x456/0x630 [ 870.919221][ T74] ip6_route_input+0x59c/0xa50 [ 870.919221][ T74] ipv6_rcv+0x397/0x810 [ 870.919221][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 870.919221][ T74] process_backlog+0x101/0x620 [ 870.919221][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 870.919221][ T74] net_rx_action+0x495/0xbe0 [ 870.919221][ T74] __do_softirq+0x1b5/0x7f6 [ 870.919221][ T74] [ 870.921163][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 870.921163][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 870.921163][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 870.921163][ T74] fib6_nh_init+0xa22/0x1580 [ 870.921163][ T74] ip6_route_info_create+0xf18/0x17d0 [ 870.921163][ T74] ip6_route_add+0x1c/0x140 [ 870.921163][ T74] inet6_rtm_newroute+0x104/0x110 [ 870.921163][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 870.921163][ T74] netlink_rcv_skb+0x130/0x360 [ 870.921163][ T74] netlink_unicast+0x449/0x710 [ 870.921163][ T74] netlink_sendmsg+0x723/0xbe0 [ 870.921163][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 870.921163][ T74] ___sys_sendmsg+0xee/0x170 [ 870.921163][ T74] __sys_sendmsg+0xcd/0x170 [ 870.921163][ T74] do_syscall_64+0xc6/0x1e0 [ 870.921163][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 870.921163][ T74] [ 870.923362][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 870.923362][ T74] netdev_get_by_index+0x5e/0x80 [ 870.923362][ T74] fib6_nh_init+0x3d8/0x1580 [ 870.923362][ T74] ip6_route_info_create+0xf18/0x17d0 [ 870.923362][ T74] addrconf_f6i_alloc+0x265/0x560 [ 870.923362][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 870.923362][ T74] addrconf_join_anycast+0x1c0/0x220 [ 870.923362][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 870.923362][ T74] addrconf_dad_completed+0x12b/0xe20 [ 870.923362][ T74] addrconf_dad_begin+0x310/0x670 [ 870.923362][ T74] addrconf_dad_work+0x10b/0xab0 [ 870.923362][ T74] process_one_work+0x84d/0x18a0 [ 870.923362][ T74] worker_thread+0x587/0xd30 [ 870.923362][ T74] kthread+0x28a/0x350 [ 870.923362][ T74] ret_from_fork+0x31/0x70 [ 870.923362][ T74] ret_from_fork_asm+0x1a/0x30 [ 870.923362][ T74] [ 870.925503][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 870.925503][ T74] netdev_get_by_index+0x5e/0x80 [ 870.925503][ T74] fib6_nh_init+0x3d8/0x1580 [ 870.925503][ T74] ip6_route_info_create+0xf18/0x17d0 [ 870.925503][ T74] ip6_route_add+0x1c/0x140 [ 870.925503][ T74] addrconf_prefix_route+0x2a6/0x430 [ 870.925503][ T74] inet6_addr_add+0x4f8/0xa40 [ 870.925503][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 870.925503][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 870.925503][ T74] netlink_rcv_skb+0x130/0x360 [ 870.925503][ T74] netlink_unicast+0x449/0x710 [ 870.925503][ T74] netlink_sendmsg+0x723/0xbe0 [ 870.925503][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 870.925503][ T74] ___sys_sendmsg+0xee/0x170 [ 870.925503][ T74] __sys_sendmsg+0xcd/0x170 [ 870.925503][ T74] do_syscall_64+0xc6/0x1e0 [ 870.925503][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 870.925503][ T74] [ 870.927807][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 870.927807][ T74] netdev_get_by_index+0x5e/0x80 [ 870.927807][ T74] fib6_nh_init+0x3d8/0x1580 [ 870.927807][ T74] ip6_route_info_create+0xf18/0x17d0 [ 870.927807][ T74] addrconf_f6i_alloc+0x315/0x560 [ 870.927807][ T74] ipv6_add_addr+0x411/0x2000 [ 870.927807][ T74] inet6_addr_add+0x30e/0xa40 [ 870.927807][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 870.927807][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 870.927807][ T74] netlink_rcv_skb+0x130/0x360 [ 870.927807][ T74] netlink_unicast+0x449/0x710 [ 870.927807][ T74] netlink_sendmsg+0x723/0xbe0 [ 870.927807][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 870.927807][ T74] ___sys_sendmsg+0xee/0x170 [ 870.927807][ T74] __sys_sendmsg+0xcd/0x170 [ 870.927807][ T74] do_syscall_64+0xc6/0x1e0 [ 870.927807][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 870.927807][ T74] [ 870.930370][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 870.930370][ T74] netdev_get_by_index+0x5e/0x80 [ 870.930370][ T74] fib6_nh_init+0x3d8/0x1580 [ 870.930370][ T74] ip6_route_info_create+0xf18/0x17d0 [ 870.930370][ T74] ip6_route_add+0x1c/0x140 [ 870.930370][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 870.930370][ T74] addrconf_add_dev+0xe2/0x170 [ 870.930370][ T74] inet6_addr_add+0x12f/0xa40 [ 870.930370][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 870.930370][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 870.930370][ T74] netlink_rcv_skb+0x130/0x360 [ 870.930370][ T74] netlink_unicast+0x449/0x710 [ 870.930370][ T74] netlink_sendmsg+0x723/0xbe0 [ 870.930370][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 870.930370][ T74] ___sys_sendmsg+0xee/0x170 [ 870.930370][ T74] __sys_sendmsg+0xcd/0x170 [ 870.930370][ T74] do_syscall_64+0xc6/0x1e0 [ 870.930370][ T74] [ 870.932713][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 870.932713][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 870.932713][ T74] ipv6_find_idev+0x102/0x170 [ 870.932713][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 870.932713][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 870.932713][ T74] netlink_rcv_skb+0x130/0x360 [ 870.932713][ T74] netlink_unicast+0x449/0x710 [ 870.932713][ T74] netlink_sendmsg+0x723/0xbe0 [ 870.932713][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 870.932713][ T74] ___sys_sendmsg+0xee/0x170 [ 870.932713][ T74] __sys_sendmsg+0xcd/0x170 [ 870.932713][ T74] do_syscall_64+0xc6/0x1e0 [ 870.932713][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 870.932713][ T74] [ 870.934558][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 870.934558][ T74] neigh_parms_alloc+0x1e5/0x510 [ 870.934558][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 870.934558][ T74] ipv6_find_idev+0x102/0x170 [ 870.934558][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 870.934558][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 870.934558][ T74] netlink_rcv_skb+0x130/0x360 [ 870.934558][ T74] netlink_unicast+0x449/0x710 [ 870.934558][ T74] netlink_sendmsg+0x723/0xbe0 [ 870.934558][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 870.934558][ T74] ___sys_sendmsg+0xee/0x170 [ 870.934558][ T74] __sys_sendmsg+0xcd/0x170 [ 870.934558][ T74] do_syscall_64+0xc6/0x1e0 [ 870.934558][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 870.934558][ T74] [ 870.936559][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 870.936919][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 870.936919][ T74] netdev_get_by_index+0x5e/0x80 [ 870.936919][ T74] fib6_nh_init+0x3d8/0x1580 [ 870.936919][ T74] ip6_route_info_create+0xf18/0x17d0 [ 870.936919][ T74] ip6_route_add+0x1c/0x140 [ 870.936919][ T74] addrconf_prefix_route+0x2a6/0x430 [ 870.936919][ T74] inet6_addr_add+0x4f8/0xa40 [ 870.936919][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 870.936919][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 870.936919][ T74] netlink_rcv_skb+0x130/0x360 [ 870.936919][ T74] netlink_unicast+0x449/0x710 [ 870.936919][ T74] netlink_sendmsg+0x723/0xbe0 [ 870.936919][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 870.936919][ T74] ___sys_sendmsg+0xee/0x170 [ 870.936919][ T74] __sys_sendmsg+0xcd/0x170 [ 870.936919][ T74] do_syscall_64+0xc6/0x1e0 [ 870.936919][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 870.936919][ T74] [ 870.939214][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 870.939214][ T74] netdev_get_by_index+0x5e/0x80 [ 870.939214][ T74] fib6_nh_init+0x3d8/0x1580 [ 870.939214][ T74] ip6_route_info_create+0xf18/0x17d0 [ 870.939214][ T74] addrconf_f6i_alloc+0x315/0x560 [ 870.939214][ T74] ipv6_add_addr+0x411/0x2000 [ 870.939214][ T74] inet6_addr_add+0x30e/0xa40 [ 870.939214][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 870.939214][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 870.939214][ T74] netlink_rcv_skb+0x130/0x360 [ 870.939214][ T74] netlink_unicast+0x449/0x710 [ 870.939214][ T74] netlink_sendmsg+0x723/0xbe0 [ 870.939214][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 870.939214][ T74] ___sys_sendmsg+0xee/0x170 [ 870.939214][ T74] __sys_sendmsg+0xcd/0x170 [ 870.939214][ T74] do_syscall_64+0xc6/0x1e0 [ 870.939214][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 870.939214][ T74] [ 870.941394][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 870.941394][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 870.941394][ T74] ipv6_find_idev+0x102/0x170 [ 870.941394][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 870.941394][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 870.941394][ T74] netlink_rcv_skb+0x130/0x360 [ 870.941394][ T74] netlink_unicast+0x449/0x710 [ 870.941394][ T74] netlink_sendmsg+0x723/0xbe0 [ 870.941394][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 870.941394][ T74] ___sys_sendmsg+0xee/0x170 [ 870.941394][ T74] __sys_sendmsg+0xcd/0x170 [ 870.941394][ T74] do_syscall_64+0xc6/0x1e0 [ 870.941394][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 870.941394][ T74] [ 870.943202][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 870.943202][ T74] neigh_parms_alloc+0x1e5/0x510 [ 870.943202][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 870.943202][ T74] ipv6_find_idev+0x102/0x170 [ 870.943202][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 870.943202][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 870.943202][ T74] netlink_rcv_skb+0x130/0x360 [ 870.943202][ T74] netlink_unicast+0x449/0x710 [ 870.943202][ T74] netlink_sendmsg+0x723/0xbe0 [ 870.943202][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 870.943202][ T74] ___sys_sendmsg+0xee/0x170 [ 870.943202][ T74] __sys_sendmsg+0xcd/0x170 [ 870.943202][ T74] do_syscall_64+0xc6/0x1e0 [ 870.943202][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 870.943202][ T74] [ 881.087933][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 881.088314][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 881.088314][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 881.088314][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 881.088314][ T74] fib6_nh_init+0xa22/0x1580 [ 881.088314][ T74] ip6_route_info_create+0xf18/0x17d0 [ 881.088314][ T74] ip6_route_add+0x1c/0x140 [ 881.088314][ T74] inet6_rtm_newroute+0x104/0x110 [ 881.088314][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 881.088314][ T74] netlink_rcv_skb+0x130/0x360 [ 881.088314][ T74] netlink_unicast+0x449/0x710 [ 881.088314][ T74] netlink_sendmsg+0x723/0xbe0 [ 881.088314][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 881.088314][ T74] ___sys_sendmsg+0xee/0x170 [ 881.088314][ T74] __sys_sendmsg+0xcd/0x170 [ 881.088314][ T74] do_syscall_64+0xc6/0x1e0 [ 881.088314][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 881.088314][ T74] [ 881.090477][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 881.090477][ T74] netdev_get_by_index+0x5e/0x80 [ 881.090477][ T74] fib6_nh_init+0x3d8/0x1580 [ 881.090477][ T74] ip6_route_info_create+0xf18/0x17d0 [ 881.090477][ T74] addrconf_f6i_alloc+0x265/0x560 [ 881.090477][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 881.090477][ T74] addrconf_join_anycast+0x1c0/0x220 [ 881.090477][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 881.090477][ T74] addrconf_dad_completed+0x12b/0xe20 [ 881.090477][ T74] addrconf_dad_begin+0x310/0x670 [ 881.090477][ T74] addrconf_dad_work+0x10b/0xab0 [ 881.090477][ T74] process_one_work+0x84d/0x18a0 [ 881.090477][ T74] worker_thread+0x587/0xd30 [ 881.090477][ T74] kthread+0x28a/0x350 [ 881.090477][ T74] ret_from_fork+0x31/0x70 [ 881.090477][ T74] ret_from_fork_asm+0x1a/0x30 [ 881.090477][ T74] [ 881.092723][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 881.092723][ T74] netdev_get_by_index+0x5e/0x80 [ 881.092723][ T74] fib6_nh_init+0x3d8/0x1580 [ 881.092723][ T74] ip6_route_info_create+0xf18/0x17d0 [ 881.092723][ T74] ip6_route_add+0x1c/0x140 [ 881.092723][ T74] addrconf_prefix_route+0x2a6/0x430 [ 881.092723][ T74] inet6_addr_add+0x4f8/0xa40 [ 881.092723][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 881.092723][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 881.092723][ T74] netlink_rcv_skb+0x130/0x360 [ 881.092723][ T74] netlink_unicast+0x449/0x710 [ 881.092723][ T74] netlink_sendmsg+0x723/0xbe0 [ 881.092723][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 881.092723][ T74] ___sys_sendmsg+0xee/0x170 [ 881.092723][ T74] __sys_sendmsg+0xcd/0x170 [ 881.092723][ T74] do_syscall_64+0xc6/0x1e0 [ 881.092723][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 881.092723][ T74] [ 881.094797][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 881.094797][ T74] netdev_get_by_index+0x5e/0x80 [ 881.094797][ T74] fib6_nh_init+0x3d8/0x1580 [ 881.094797][ T74] ip6_route_info_create+0xf18/0x17d0 [ 881.094797][ T74] addrconf_f6i_alloc+0x315/0x560 [ 881.094797][ T74] ipv6_add_addr+0x411/0x2000 [ 881.094797][ T74] inet6_addr_add+0x30e/0xa40 [ 881.094797][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 881.094797][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 881.094797][ T74] netlink_rcv_skb+0x130/0x360 [ 881.094797][ T74] netlink_unicast+0x449/0x710 [ 881.094797][ T74] netlink_sendmsg+0x723/0xbe0 [ 881.094797][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 881.094797][ T74] ___sys_sendmsg+0xee/0x170 [ 881.094797][ T74] __sys_sendmsg+0xcd/0x170 [ 881.094797][ T74] do_syscall_64+0xc6/0x1e0 [ 881.094797][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 881.094797][ T74] [ 881.096920][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 881.096920][ T74] netdev_get_by_index+0x5e/0x80 [ 881.096920][ T74] fib6_nh_init+0x3d8/0x1580 [ 881.096920][ T74] ip6_route_info_create+0xf18/0x17d0 [ 881.096920][ T74] ip6_route_add+0x1c/0x140 [ 881.096920][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 881.096920][ T74] addrconf_add_dev+0xe2/0x170 [ 881.096920][ T74] inet6_addr_add+0x12f/0xa40 [ 881.096920][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 881.096920][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 881.096920][ T74] netlink_rcv_skb+0x130/0x360 [ 881.096920][ T74] netlink_unicast+0x449/0x710 [ 881.096920][ T74] netlink_sendmsg+0x723/0xbe0 [ 881.096920][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 881.096920][ T74] ___sys_sendmsg+0xee/0x170 [ 881.096920][ T74] __sys_sendmsg+0xcd/0x170 [ 881.096920][ T74] do_syscall_64+0xc6/0x1e0 [ 881.096920][ T74] [ 881.099069][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 881.099069][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 881.099069][ T74] ipv6_find_idev+0x102/0x170 [ 881.099069][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 881.099069][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 881.099069][ T74] netlink_rcv_skb+0x130/0x360 [ 881.099069][ T74] netlink_unicast+0x449/0x710 [ 881.099069][ T74] netlink_sendmsg+0x723/0xbe0 [ 881.099069][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 881.099069][ T74] ___sys_sendmsg+0xee/0x170 [ 881.099069][ T74] __sys_sendmsg+0xcd/0x170 [ 881.099069][ T74] do_syscall_64+0xc6/0x1e0 [ 881.099069][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 881.099069][ T74] [ 881.100784][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 881.100784][ T74] neigh_parms_alloc+0x1e5/0x510 [ 881.100784][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 881.100784][ T74] ipv6_find_idev+0x102/0x170 [ 881.100784][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 881.100784][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 881.100784][ T74] netlink_rcv_skb+0x130/0x360 [ 881.100784][ T74] netlink_unicast+0x449/0x710 [ 881.100784][ T74] netlink_sendmsg+0x723/0xbe0 [ 881.100784][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 881.100784][ T74] ___sys_sendmsg+0xee/0x170 [ 881.100784][ T74] __sys_sendmsg+0xcd/0x170 [ 881.100784][ T74] do_syscall_64+0xc6/0x1e0 [ 881.100784][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 881.100784][ T74] [ 881.103454][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 881.103754][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 881.103754][ T74] dst_init+0x84/0x4a0 [ 881.103754][ T74] dst_alloc+0x97/0x150 [ 881.103754][ T74] ip6_dst_alloc+0x23/0x90 [ 881.103754][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 881.103754][ T74] ip6_pol_route+0x56f/0x840 [ 881.103754][ T74] fib6_rule_lookup+0x456/0x630 [ 881.103754][ T74] ip6_route_input+0x59c/0xa50 [ 881.103754][ T74] ipv6_rcv+0x397/0x810 [ 881.103754][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 881.103754][ T74] process_backlog+0x101/0x620 [ 881.103754][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 881.103754][ T74] net_rx_action+0x495/0xbe0 [ 881.103754][ T74] __do_softirq+0x1b5/0x7f6 [ 881.103754][ T74] [ 881.105528][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 881.105528][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 881.105528][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 881.105528][ T74] fib6_nh_init+0xa22/0x1580 [ 881.105528][ T74] ip6_route_info_create+0xf18/0x17d0 [ 881.105528][ T74] ip6_route_add+0x1c/0x140 [ 881.105528][ T74] inet6_rtm_newroute+0x104/0x110 [ 881.105528][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 881.105528][ T74] netlink_rcv_skb+0x130/0x360 [ 881.105528][ T74] netlink_unicast+0x449/0x710 [ 881.105528][ T74] netlink_sendmsg+0x723/0xbe0 [ 881.105528][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 881.105528][ T74] ___sys_sendmsg+0xee/0x170 [ 881.105528][ T74] __sys_sendmsg+0xcd/0x170 [ 881.105528][ T74] do_syscall_64+0xc6/0x1e0 [ 881.105528][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 881.105528][ T74] [ 881.107672][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 881.107672][ T74] netdev_get_by_index+0x5e/0x80 [ 881.107672][ T74] fib6_nh_init+0x3d8/0x1580 [ 881.107672][ T74] ip6_route_info_create+0xf18/0x17d0 [ 881.107672][ T74] addrconf_f6i_alloc+0x265/0x560 [ 881.107672][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 881.107672][ T74] addrconf_join_anycast+0x1c0/0x220 [ 881.107672][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 881.107672][ T74] addrconf_dad_completed+0x12b/0xe20 [ 881.107672][ T74] addrconf_dad_begin+0x310/0x670 [ 881.107672][ T74] addrconf_dad_work+0x10b/0xab0 [ 881.107672][ T74] process_one_work+0x84d/0x18a0 [ 881.107672][ T74] worker_thread+0x587/0xd30 [ 881.107672][ T74] kthread+0x28a/0x350 [ 881.107672][ T74] ret_from_fork+0x31/0x70 [ 881.107672][ T74] ret_from_fork_asm+0x1a/0x30 [ 881.107672][ T74] [ 881.109950][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 881.109950][ T74] netdev_get_by_index+0x5e/0x80 [ 881.109950][ T74] fib6_nh_init+0x3d8/0x1580 [ 881.109950][ T74] ip6_route_info_create+0xf18/0x17d0 [ 881.109950][ T74] ip6_route_add+0x1c/0x140 [ 881.109950][ T74] addrconf_prefix_route+0x2a6/0x430 [ 881.109950][ T74] inet6_addr_add+0x4f8/0xa40 [ 881.109950][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 881.109950][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 881.109950][ T74] netlink_rcv_skb+0x130/0x360 [ 881.109950][ T74] netlink_unicast+0x449/0x710 [ 881.109950][ T74] netlink_sendmsg+0x723/0xbe0 [ 881.109950][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 881.109950][ T74] ___sys_sendmsg+0xee/0x170 [ 881.109950][ T74] __sys_sendmsg+0xcd/0x170 [ 881.109950][ T74] do_syscall_64+0xc6/0x1e0 [ 881.109950][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 881.109950][ T74] [ 881.112410][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 881.112410][ T74] netdev_get_by_index+0x5e/0x80 [ 881.112410][ T74] fib6_nh_init+0x3d8/0x1580 [ 881.112410][ T74] ip6_route_info_create+0xf18/0x17d0 [ 881.112410][ T74] addrconf_f6i_alloc+0x315/0x560 [ 881.112410][ T74] ipv6_add_addr+0x411/0x2000 [ 881.112410][ T74] inet6_addr_add+0x30e/0xa40 [ 881.112410][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 881.112410][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 881.112410][ T74] netlink_rcv_skb+0x130/0x360 [ 881.112410][ T74] netlink_unicast+0x449/0x710 [ 881.112410][ T74] netlink_sendmsg+0x723/0xbe0 [ 881.112410][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 881.112410][ T74] ___sys_sendmsg+0xee/0x170 [ 881.112410][ T74] __sys_sendmsg+0xcd/0x170 [ 881.112410][ T74] do_syscall_64+0xc6/0x1e0 [ 881.112410][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 881.112410][ T74] [ 881.114583][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 881.114583][ T74] netdev_get_by_index+0x5e/0x80 [ 881.114583][ T74] fib6_nh_init+0x3d8/0x1580 [ 881.114583][ T74] ip6_route_info_create+0xf18/0x17d0 [ 881.114583][ T74] ip6_route_add+0x1c/0x140 [ 881.114583][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 881.114583][ T74] addrconf_add_dev+0xe2/0x170 [ 881.114583][ T74] inet6_addr_add+0x12f/0xa40 [ 881.114583][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 881.114583][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 881.114583][ T74] netlink_rcv_skb+0x130/0x360 [ 881.114583][ T74] netlink_unicast+0x449/0x710 [ 881.114583][ T74] netlink_sendmsg+0x723/0xbe0 [ 881.114583][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 881.114583][ T74] ___sys_sendmsg+0xee/0x170 [ 881.114583][ T74] __sys_sendmsg+0xcd/0x170 [ 881.114583][ T74] do_syscall_64+0xc6/0x1e0 [ 881.114583][ T74] [ 881.117023][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 881.117023][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 881.117023][ T74] ipv6_find_idev+0x102/0x170 [ 881.117023][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 881.117023][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 881.117023][ T74] netlink_rcv_skb+0x130/0x360 [ 881.117023][ T74] netlink_unicast+0x449/0x710 [ 881.117023][ T74] netlink_sendmsg+0x723/0xbe0 [ 881.117023][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 881.117023][ T74] ___sys_sendmsg+0xee/0x170 [ 881.117023][ T74] __sys_sendmsg+0xcd/0x170 [ 881.117023][ T74] do_syscall_64+0xc6/0x1e0 [ 881.117023][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 881.117023][ T74] [ 881.118719][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 881.118719][ T74] neigh_parms_alloc+0x1e5/0x510 [ 881.118719][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 881.118719][ T74] ipv6_find_idev+0x102/0x170 [ 881.118719][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 881.118719][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 881.118719][ T74] netlink_rcv_skb+0x130/0x360 [ 881.118719][ T74] netlink_unicast+0x449/0x710 [ 881.118719][ T74] netlink_sendmsg+0x723/0xbe0 [ 881.118719][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 881.118719][ T74] ___sys_sendmsg+0xee/0x170 [ 881.118719][ T74] __sys_sendmsg+0xcd/0x170 [ 881.118719][ T74] do_syscall_64+0xc6/0x1e0 [ 881.118719][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 881.118719][ T74] [ 881.120770][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 881.121090][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 881.121090][ T74] netdev_get_by_index+0x5e/0x80 [ 881.121090][ T74] fib6_nh_init+0x3d8/0x1580 [ 881.121090][ T74] ip6_route_info_create+0xf18/0x17d0 [ 881.121090][ T74] ip6_route_add+0x1c/0x140 [ 881.121090][ T74] addrconf_prefix_route+0x2a6/0x430 [ 881.121090][ T74] inet6_addr_add+0x4f8/0xa40 [ 881.121090][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 881.121090][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 881.121090][ T74] netlink_rcv_skb+0x130/0x360 [ 881.121090][ T74] netlink_unicast+0x449/0x710 [ 881.121090][ T74] netlink_sendmsg+0x723/0xbe0 [ 881.121090][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 881.121090][ T74] ___sys_sendmsg+0xee/0x170 [ 881.121090][ T74] __sys_sendmsg+0xcd/0x170 [ 881.121090][ T74] do_syscall_64+0xc6/0x1e0 [ 881.121090][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 881.121090][ T74] [ 881.123388][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 881.123388][ T74] netdev_get_by_index+0x5e/0x80 [ 881.123388][ T74] fib6_nh_init+0x3d8/0x1580 [ 881.123388][ T74] ip6_route_info_create+0xf18/0x17d0 [ 881.123388][ T74] addrconf_f6i_alloc+0x315/0x560 [ 881.123388][ T74] ipv6_add_addr+0x411/0x2000 [ 881.123388][ T74] inet6_addr_add+0x30e/0xa40 [ 881.123388][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 881.123388][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 881.123388][ T74] netlink_rcv_skb+0x130/0x360 [ 881.123388][ T74] netlink_unicast+0x449/0x710 [ 881.123388][ T74] netlink_sendmsg+0x723/0xbe0 [ 881.123388][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 881.123388][ T74] ___sys_sendmsg+0xee/0x170 [ 881.123388][ T74] __sys_sendmsg+0xcd/0x170 [ 881.123388][ T74] do_syscall_64+0xc6/0x1e0 [ 881.123388][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 881.123388][ T74] [ 881.125819][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 881.125819][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 881.125819][ T74] ipv6_find_idev+0x102/0x170 [ 881.125819][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 881.125819][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 881.125819][ T74] netlink_rcv_skb+0x130/0x360 [ 881.125819][ T74] netlink_unicast+0x449/0x710 [ 881.125819][ T74] netlink_sendmsg+0x723/0xbe0 [ 881.125819][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 881.125819][ T74] ___sys_sendmsg+0xee/0x170 [ 881.125819][ T74] __sys_sendmsg+0xcd/0x170 [ 881.125819][ T74] do_syscall_64+0xc6/0x1e0 [ 881.125819][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 881.125819][ T74] [ 881.127676][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 881.127676][ T74] neigh_parms_alloc+0x1e5/0x510 [ 881.127676][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 881.127676][ T74] ipv6_find_idev+0x102/0x170 [ 881.127676][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 881.127676][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 881.127676][ T74] netlink_rcv_skb+0x130/0x360 [ 881.127676][ T74] netlink_unicast+0x449/0x710 [ 881.127676][ T74] netlink_sendmsg+0x723/0xbe0 [ 881.127676][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 881.127676][ T74] ___sys_sendmsg+0xee/0x170 [ 881.127676][ T74] __sys_sendmsg+0xcd/0x170 [ 881.127676][ T74] do_syscall_64+0xc6/0x1e0 [ 881.127676][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 881.127676][ T74] [ 891.256620][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 891.257112][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 891.257112][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 891.257112][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 891.257112][ T74] fib6_nh_init+0xa22/0x1580 [ 891.257112][ T74] ip6_route_info_create+0xf18/0x17d0 [ 891.257112][ T74] ip6_route_add+0x1c/0x140 [ 891.257112][ T74] inet6_rtm_newroute+0x104/0x110 [ 891.257112][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 891.257112][ T74] netlink_rcv_skb+0x130/0x360 [ 891.257112][ T74] netlink_unicast+0x449/0x710 [ 891.257112][ T74] netlink_sendmsg+0x723/0xbe0 [ 891.257112][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 891.257112][ T74] ___sys_sendmsg+0xee/0x170 [ 891.257112][ T74] __sys_sendmsg+0xcd/0x170 [ 891.257112][ T74] do_syscall_64+0xc6/0x1e0 [ 891.257112][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 891.257112][ T74] [ 891.259393][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 891.259393][ T74] netdev_get_by_index+0x5e/0x80 [ 891.259393][ T74] fib6_nh_init+0x3d8/0x1580 [ 891.259393][ T74] ip6_route_info_create+0xf18/0x17d0 [ 891.259393][ T74] addrconf_f6i_alloc+0x265/0x560 [ 891.259393][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 891.259393][ T74] addrconf_join_anycast+0x1c0/0x220 [ 891.259393][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 891.259393][ T74] addrconf_dad_completed+0x12b/0xe20 [ 891.259393][ T74] addrconf_dad_begin+0x310/0x670 [ 891.259393][ T74] addrconf_dad_work+0x10b/0xab0 [ 891.259393][ T74] process_one_work+0x84d/0x18a0 [ 891.259393][ T74] worker_thread+0x587/0xd30 [ 891.259393][ T74] kthread+0x28a/0x350 [ 891.259393][ T74] ret_from_fork+0x31/0x70 [ 891.259393][ T74] ret_from_fork_asm+0x1a/0x30 [ 891.259393][ T74] [ 891.261826][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 891.261826][ T74] netdev_get_by_index+0x5e/0x80 [ 891.261826][ T74] fib6_nh_init+0x3d8/0x1580 [ 891.261826][ T74] ip6_route_info_create+0xf18/0x17d0 [ 891.261826][ T74] ip6_route_add+0x1c/0x140 [ 891.261826][ T74] addrconf_prefix_route+0x2a6/0x430 [ 891.261826][ T74] inet6_addr_add+0x4f8/0xa40 [ 891.261826][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 891.261826][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 891.261826][ T74] netlink_rcv_skb+0x130/0x360 [ 891.261826][ T74] netlink_unicast+0x449/0x710 [ 891.261826][ T74] netlink_sendmsg+0x723/0xbe0 [ 891.261826][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 891.261826][ T74] ___sys_sendmsg+0xee/0x170 [ 891.261826][ T74] __sys_sendmsg+0xcd/0x170 [ 891.261826][ T74] do_syscall_64+0xc6/0x1e0 [ 891.261826][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 891.261826][ T74] [ 891.264382][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 891.264382][ T74] netdev_get_by_index+0x5e/0x80 [ 891.264382][ T74] fib6_nh_init+0x3d8/0x1580 [ 891.264382][ T74] ip6_route_info_create+0xf18/0x17d0 [ 891.264382][ T74] addrconf_f6i_alloc+0x315/0x560 [ 891.264382][ T74] ipv6_add_addr+0x411/0x2000 [ 891.264382][ T74] inet6_addr_add+0x30e/0xa40 [ 891.264382][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 891.264382][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 891.264382][ T74] netlink_rcv_skb+0x130/0x360 [ 891.264382][ T74] netlink_unicast+0x449/0x710 [ 891.264382][ T74] netlink_sendmsg+0x723/0xbe0 [ 891.264382][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 891.264382][ T74] ___sys_sendmsg+0xee/0x170 [ 891.264382][ T74] __sys_sendmsg+0xcd/0x170 [ 891.264382][ T74] do_syscall_64+0xc6/0x1e0 [ 891.264382][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 891.264382][ T74] [ 891.266922][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 891.266922][ T74] netdev_get_by_index+0x5e/0x80 [ 891.266922][ T74] fib6_nh_init+0x3d8/0x1580 [ 891.266922][ T74] ip6_route_info_create+0xf18/0x17d0 [ 891.266922][ T74] ip6_route_add+0x1c/0x140 [ 891.266922][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 891.266922][ T74] addrconf_add_dev+0xe2/0x170 [ 891.266922][ T74] inet6_addr_add+0x12f/0xa40 [ 891.266922][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 891.266922][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 891.266922][ T74] netlink_rcv_skb+0x130/0x360 [ 891.266922][ T74] netlink_unicast+0x449/0x710 [ 891.266922][ T74] netlink_sendmsg+0x723/0xbe0 [ 891.266922][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 891.266922][ T74] ___sys_sendmsg+0xee/0x170 [ 891.266922][ T74] __sys_sendmsg+0xcd/0x170 [ 891.266922][ T74] do_syscall_64+0xc6/0x1e0 [ 891.266922][ T74] [ 891.269307][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 891.269307][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 891.269307][ T74] ipv6_find_idev+0x102/0x170 [ 891.269307][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 891.269307][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 891.269307][ T74] netlink_rcv_skb+0x130/0x360 [ 891.269307][ T74] netlink_unicast+0x449/0x710 [ 891.269307][ T74] netlink_sendmsg+0x723/0xbe0 [ 891.269307][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 891.269307][ T74] ___sys_sendmsg+0xee/0x170 [ 891.269307][ T74] __sys_sendmsg+0xcd/0x170 [ 891.269307][ T74] do_syscall_64+0xc6/0x1e0 [ 891.269307][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 891.269307][ T74] [ 891.271135][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 891.271135][ T74] neigh_parms_alloc+0x1e5/0x510 [ 891.271135][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 891.271135][ T74] ipv6_find_idev+0x102/0x170 [ 891.271135][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 891.271135][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 891.271135][ T74] netlink_rcv_skb+0x130/0x360 [ 891.271135][ T74] netlink_unicast+0x449/0x710 [ 891.271135][ T74] netlink_sendmsg+0x723/0xbe0 [ 891.271135][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 891.271135][ T74] ___sys_sendmsg+0xee/0x170 [ 891.271135][ T74] __sys_sendmsg+0xcd/0x170 [ 891.271135][ T74] do_syscall_64+0xc6/0x1e0 [ 891.271135][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 891.271135][ T74] [ 891.273258][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 891.273678][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 891.273678][ T74] dst_init+0x84/0x4a0 [ 891.273678][ T74] dst_alloc+0x97/0x150 [ 891.273678][ T74] ip6_dst_alloc+0x23/0x90 [ 891.273678][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 891.273678][ T74] ip6_pol_route+0x56f/0x840 [ 891.273678][ T74] fib6_rule_lookup+0x456/0x630 [ 891.273678][ T74] ip6_route_input+0x59c/0xa50 [ 891.273678][ T74] ipv6_rcv+0x397/0x810 [ 891.273678][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 891.273678][ T74] process_backlog+0x101/0x620 [ 891.273678][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 891.273678][ T74] net_rx_action+0x495/0xbe0 [ 891.273678][ T74] __do_softirq+0x1b5/0x7f6 [ 891.273678][ T74] [ 891.275664][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 891.275664][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 891.275664][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 891.275664][ T74] fib6_nh_init+0xa22/0x1580 [ 891.275664][ T74] ip6_route_info_create+0xf18/0x17d0 [ 891.275664][ T74] ip6_route_add+0x1c/0x140 [ 891.275664][ T74] inet6_rtm_newroute+0x104/0x110 [ 891.275664][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 891.275664][ T74] netlink_rcv_skb+0x130/0x360 [ 891.275664][ T74] netlink_unicast+0x449/0x710 [ 891.275664][ T74] netlink_sendmsg+0x723/0xbe0 [ 891.275664][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 891.275664][ T74] ___sys_sendmsg+0xee/0x170 [ 891.275664][ T74] __sys_sendmsg+0xcd/0x170 [ 891.275664][ T74] do_syscall_64+0xc6/0x1e0 [ 891.275664][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 891.275664][ T74] [ 891.277808][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 891.277808][ T74] netdev_get_by_index+0x5e/0x80 [ 891.277808][ T74] fib6_nh_init+0x3d8/0x1580 [ 891.277808][ T74] ip6_route_info_create+0xf18/0x17d0 [ 891.277808][ T74] addrconf_f6i_alloc+0x265/0x560 [ 891.277808][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 891.277808][ T74] addrconf_join_anycast+0x1c0/0x220 [ 891.277808][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 891.277808][ T74] addrconf_dad_completed+0x12b/0xe20 [ 891.277808][ T74] addrconf_dad_begin+0x310/0x670 [ 891.277808][ T74] addrconf_dad_work+0x10b/0xab0 [ 891.277808][ T74] process_one_work+0x84d/0x18a0 [ 891.277808][ T74] worker_thread+0x587/0xd30 [ 891.277808][ T74] kthread+0x28a/0x350 [ 891.277808][ T74] ret_from_fork+0x31/0x70 [ 891.277808][ T74] ret_from_fork_asm+0x1a/0x30 [ 891.277808][ T74] [ 891.279931][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 891.279931][ T74] netdev_get_by_index+0x5e/0x80 [ 891.279931][ T74] fib6_nh_init+0x3d8/0x1580 [ 891.279931][ T74] ip6_route_info_create+0xf18/0x17d0 [ 891.279931][ T74] ip6_route_add+0x1c/0x140 [ 891.279931][ T74] addrconf_prefix_route+0x2a6/0x430 [ 891.279931][ T74] inet6_addr_add+0x4f8/0xa40 [ 891.279931][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 891.279931][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 891.279931][ T74] netlink_rcv_skb+0x130/0x360 [ 891.279931][ T74] netlink_unicast+0x449/0x710 [ 891.279931][ T74] netlink_sendmsg+0x723/0xbe0 [ 891.279931][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 891.279931][ T74] ___sys_sendmsg+0xee/0x170 [ 891.279931][ T74] __sys_sendmsg+0xcd/0x170 [ 891.279931][ T74] do_syscall_64+0xc6/0x1e0 [ 891.279931][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 891.279931][ T74] [ 891.282438][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 891.282438][ T74] netdev_get_by_index+0x5e/0x80 [ 891.282438][ T74] fib6_nh_init+0x3d8/0x1580 [ 891.282438][ T74] ip6_route_info_create+0xf18/0x17d0 [ 891.282438][ T74] addrconf_f6i_alloc+0x315/0x560 [ 891.282438][ T74] ipv6_add_addr+0x411/0x2000 [ 891.282438][ T74] inet6_addr_add+0x30e/0xa40 [ 891.282438][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 891.282438][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 891.282438][ T74] netlink_rcv_skb+0x130/0x360 [ 891.282438][ T74] netlink_unicast+0x449/0x710 [ 891.282438][ T74] netlink_sendmsg+0x723/0xbe0 [ 891.282438][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 891.282438][ T74] ___sys_sendmsg+0xee/0x170 [ 891.282438][ T74] __sys_sendmsg+0xcd/0x170 [ 891.282438][ T74] do_syscall_64+0xc6/0x1e0 [ 891.282438][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 891.282438][ T74] [ 891.285066][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 891.285066][ T74] netdev_get_by_index+0x5e/0x80 [ 891.285066][ T74] fib6_nh_init+0x3d8/0x1580 [ 891.285066][ T74] ip6_route_info_create+0xf18/0x17d0 [ 891.285066][ T74] ip6_route_add+0x1c/0x140 [ 891.285066][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 891.285066][ T74] addrconf_add_dev+0xe2/0x170 [ 891.285066][ T74] inet6_addr_add+0x12f/0xa40 [ 891.285066][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 891.285066][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 891.285066][ T74] netlink_rcv_skb+0x130/0x360 [ 891.285066][ T74] netlink_unicast+0x449/0x710 [ 891.285066][ T74] netlink_sendmsg+0x723/0xbe0 [ 891.285066][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 891.285066][ T74] ___sys_sendmsg+0xee/0x170 [ 891.285066][ T74] __sys_sendmsg+0xcd/0x170 [ 891.285066][ T74] do_syscall_64+0xc6/0x1e0 [ 891.285066][ T74] [ 891.287510][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 891.287510][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 891.287510][ T74] ipv6_find_idev+0x102/0x170 [ 891.287510][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 891.287510][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 891.287510][ T74] netlink_rcv_skb+0x130/0x360 [ 891.287510][ T74] netlink_unicast+0x449/0x710 [ 891.287510][ T74] netlink_sendmsg+0x723/0xbe0 [ 891.287510][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 891.287510][ T74] ___sys_sendmsg+0xee/0x170 [ 891.287510][ T74] __sys_sendmsg+0xcd/0x170 [ 891.287510][ T74] do_syscall_64+0xc6/0x1e0 [ 891.287510][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 891.287510][ T74] [ 891.289422][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 891.289422][ T74] neigh_parms_alloc+0x1e5/0x510 [ 891.289422][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 891.289422][ T74] ipv6_find_idev+0x102/0x170 [ 891.289422][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 891.289422][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 891.289422][ T74] netlink_rcv_skb+0x130/0x360 [ 891.289422][ T74] netlink_unicast+0x449/0x710 [ 891.289422][ T74] netlink_sendmsg+0x723/0xbe0 [ 891.289422][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 891.289422][ T74] ___sys_sendmsg+0xee/0x170 [ 891.289422][ T74] __sys_sendmsg+0xcd/0x170 [ 891.289422][ T74] do_syscall_64+0xc6/0x1e0 [ 891.289422][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 891.289422][ T74] [ 891.291550][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 891.291818][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 891.291818][ T74] netdev_get_by_index+0x5e/0x80 [ 891.291818][ T74] fib6_nh_init+0x3d8/0x1580 [ 891.291818][ T74] ip6_route_info_create+0xf18/0x17d0 [ 891.291818][ T74] ip6_route_add+0x1c/0x140 [ 891.291818][ T74] addrconf_prefix_route+0x2a6/0x430 [ 891.291818][ T74] inet6_addr_add+0x4f8/0xa40 [ 891.291818][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 891.291818][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 891.291818][ T74] netlink_rcv_skb+0x130/0x360 [ 891.291818][ T74] netlink_unicast+0x449/0x710 [ 891.291818][ T74] netlink_sendmsg+0x723/0xbe0 [ 891.291818][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 891.291818][ T74] ___sys_sendmsg+0xee/0x170 [ 891.291818][ T74] __sys_sendmsg+0xcd/0x170 [ 891.291818][ T74] do_syscall_64+0xc6/0x1e0 [ 891.291818][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 891.291818][ T74] [ 891.294219][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 891.294219][ T74] netdev_get_by_index+0x5e/0x80 [ 891.294219][ T74] fib6_nh_init+0x3d8/0x1580 [ 891.294219][ T74] ip6_route_info_create+0xf18/0x17d0 [ 891.294219][ T74] addrconf_f6i_alloc+0x315/0x560 [ 891.294219][ T74] ipv6_add_addr+0x411/0x2000 [ 891.294219][ T74] inet6_addr_add+0x30e/0xa40 [ 891.294219][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 891.294219][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 891.294219][ T74] netlink_rcv_skb+0x130/0x360 [ 891.294219][ T74] netlink_unicast+0x449/0x710 [ 891.294219][ T74] netlink_sendmsg+0x723/0xbe0 [ 891.294219][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 891.294219][ T74] ___sys_sendmsg+0xee/0x170 [ 891.294219][ T74] __sys_sendmsg+0xcd/0x170 [ 891.294219][ T74] do_syscall_64+0xc6/0x1e0 [ 891.294219][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 891.294219][ T74] [ 891.296813][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 891.296813][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 891.296813][ T74] ipv6_find_idev+0x102/0x170 [ 891.296813][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 891.296813][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 891.296813][ T74] netlink_rcv_skb+0x130/0x360 [ 891.296813][ T74] netlink_unicast+0x449/0x710 [ 891.296813][ T74] netlink_sendmsg+0x723/0xbe0 [ 891.296813][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 891.296813][ T74] ___sys_sendmsg+0xee/0x170 [ 891.296813][ T74] __sys_sendmsg+0xcd/0x170 [ 891.296813][ T74] do_syscall_64+0xc6/0x1e0 [ 891.296813][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 891.296813][ T74] [ 891.298644][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 891.298644][ T74] neigh_parms_alloc+0x1e5/0x510 [ 891.298644][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 891.298644][ T74] ipv6_find_idev+0x102/0x170 [ 891.298644][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 891.298644][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 891.298644][ T74] netlink_rcv_skb+0x130/0x360 [ 891.298644][ T74] netlink_unicast+0x449/0x710 [ 891.298644][ T74] netlink_sendmsg+0x723/0xbe0 [ 891.298644][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 891.298644][ T74] ___sys_sendmsg+0xee/0x170 [ 891.298644][ T74] __sys_sendmsg+0xcd/0x170 [ 891.298644][ T74] do_syscall_64+0xc6/0x1e0 [ 891.298644][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 891.298644][ T74] [ 901.408524][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 901.409024][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 901.409024][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 901.409024][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 901.409024][ T74] fib6_nh_init+0xa22/0x1580 [ 901.409024][ T74] ip6_route_info_create+0xf18/0x17d0 [ 901.409024][ T74] ip6_route_add+0x1c/0x140 [ 901.409024][ T74] inet6_rtm_newroute+0x104/0x110 [ 901.409024][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 901.409024][ T74] netlink_rcv_skb+0x130/0x360 [ 901.409024][ T74] netlink_unicast+0x449/0x710 [ 901.409024][ T74] netlink_sendmsg+0x723/0xbe0 [ 901.409024][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 901.409024][ T74] ___sys_sendmsg+0xee/0x170 [ 901.409024][ T74] __sys_sendmsg+0xcd/0x170 [ 901.409024][ T74] do_syscall_64+0xc6/0x1e0 [ 901.409024][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 901.409024][ T74] [ 901.411296][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 901.411296][ T74] netdev_get_by_index+0x5e/0x80 [ 901.411296][ T74] fib6_nh_init+0x3d8/0x1580 [ 901.411296][ T74] ip6_route_info_create+0xf18/0x17d0 [ 901.411296][ T74] addrconf_f6i_alloc+0x265/0x560 [ 901.411296][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 901.411296][ T74] addrconf_join_anycast+0x1c0/0x220 [ 901.411296][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 901.411296][ T74] addrconf_dad_completed+0x12b/0xe20 [ 901.411296][ T74] addrconf_dad_begin+0x310/0x670 [ 901.411296][ T74] addrconf_dad_work+0x10b/0xab0 [ 901.411296][ T74] process_one_work+0x84d/0x18a0 [ 901.411296][ T74] worker_thread+0x587/0xd30 [ 901.411296][ T74] kthread+0x28a/0x350 [ 901.411296][ T74] ret_from_fork+0x31/0x70 [ 901.411296][ T74] ret_from_fork_asm+0x1a/0x30 [ 901.411296][ T74] [ 901.413515][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 901.413515][ T74] netdev_get_by_index+0x5e/0x80 [ 901.413515][ T74] fib6_nh_init+0x3d8/0x1580 [ 901.413515][ T74] ip6_route_info_create+0xf18/0x17d0 [ 901.413515][ T74] ip6_route_add+0x1c/0x140 [ 901.413515][ T74] addrconf_prefix_route+0x2a6/0x430 [ 901.413515][ T74] inet6_addr_add+0x4f8/0xa40 [ 901.413515][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 901.413515][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 901.413515][ T74] netlink_rcv_skb+0x130/0x360 [ 901.413515][ T74] netlink_unicast+0x449/0x710 [ 901.413515][ T74] netlink_sendmsg+0x723/0xbe0 [ 901.413515][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 901.413515][ T74] ___sys_sendmsg+0xee/0x170 [ 901.413515][ T74] __sys_sendmsg+0xcd/0x170 [ 901.413515][ T74] do_syscall_64+0xc6/0x1e0 [ 901.413515][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 901.413515][ T74] [ 901.415915][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 901.415915][ T74] netdev_get_by_index+0x5e/0x80 [ 901.415915][ T74] fib6_nh_init+0x3d8/0x1580 [ 901.415915][ T74] ip6_route_info_create+0xf18/0x17d0 [ 901.415915][ T74] addrconf_f6i_alloc+0x315/0x560 [ 901.415915][ T74] ipv6_add_addr+0x411/0x2000 [ 901.415915][ T74] inet6_addr_add+0x30e/0xa40 [ 901.415915][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 901.415915][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 901.415915][ T74] netlink_rcv_skb+0x130/0x360 [ 901.415915][ T74] netlink_unicast+0x449/0x710 [ 901.415915][ T74] netlink_sendmsg+0x723/0xbe0 [ 901.415915][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 901.415915][ T74] ___sys_sendmsg+0xee/0x170 [ 901.415915][ T74] __sys_sendmsg+0xcd/0x170 [ 901.415915][ T74] do_syscall_64+0xc6/0x1e0 [ 901.415915][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 901.415915][ T74] [ 901.418281][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 901.418281][ T74] netdev_get_by_index+0x5e/0x80 [ 901.418281][ T74] fib6_nh_init+0x3d8/0x1580 [ 901.418281][ T74] ip6_route_info_create+0xf18/0x17d0 [ 901.418281][ T74] ip6_route_add+0x1c/0x140 [ 901.418281][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 901.418281][ T74] addrconf_add_dev+0xe2/0x170 [ 901.418281][ T74] inet6_addr_add+0x12f/0xa40 [ 901.418281][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 901.418281][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 901.418281][ T74] netlink_rcv_skb+0x130/0x360 [ 901.418281][ T74] netlink_unicast+0x449/0x710 [ 901.418281][ T74] netlink_sendmsg+0x723/0xbe0 [ 901.418281][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 901.418281][ T74] ___sys_sendmsg+0xee/0x170 [ 901.418281][ T74] __sys_sendmsg+0xcd/0x170 [ 901.418281][ T74] do_syscall_64+0xc6/0x1e0 [ 901.418281][ T74] [ 901.420582][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 901.420582][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 901.420582][ T74] ipv6_find_idev+0x102/0x170 [ 901.420582][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 901.420582][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 901.420582][ T74] netlink_rcv_skb+0x130/0x360 [ 901.420582][ T74] netlink_unicast+0x449/0x710 [ 901.420582][ T74] netlink_sendmsg+0x723/0xbe0 [ 901.420582][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 901.420582][ T74] ___sys_sendmsg+0xee/0x170 [ 901.420582][ T74] __sys_sendmsg+0xcd/0x170 [ 901.420582][ T74] do_syscall_64+0xc6/0x1e0 [ 901.420582][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 901.420582][ T74] [ 901.422533][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 901.422533][ T74] neigh_parms_alloc+0x1e5/0x510 [ 901.422533][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 901.422533][ T74] ipv6_find_idev+0x102/0x170 [ 901.422533][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 901.422533][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 901.422533][ T74] netlink_rcv_skb+0x130/0x360 [ 901.422533][ T74] netlink_unicast+0x449/0x710 [ 901.422533][ T74] netlink_sendmsg+0x723/0xbe0 [ 901.422533][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 901.422533][ T74] ___sys_sendmsg+0xee/0x170 [ 901.422533][ T74] __sys_sendmsg+0xcd/0x170 [ 901.422533][ T74] do_syscall_64+0xc6/0x1e0 [ 901.422533][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 901.422533][ T74] [ 901.424882][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 901.425198][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 901.425198][ T74] dst_init+0x84/0x4a0 [ 901.425198][ T74] dst_alloc+0x97/0x150 [ 901.425198][ T74] ip6_dst_alloc+0x23/0x90 [ 901.425198][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 901.425198][ T74] ip6_pol_route+0x56f/0x840 [ 901.425198][ T74] fib6_rule_lookup+0x456/0x630 [ 901.425198][ T74] ip6_route_input+0x59c/0xa50 [ 901.425198][ T74] ipv6_rcv+0x397/0x810 [ 901.425198][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 901.425198][ T74] process_backlog+0x101/0x620 [ 901.425198][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 901.425198][ T74] net_rx_action+0x495/0xbe0 [ 901.425198][ T74] __do_softirq+0x1b5/0x7f6 [ 901.425198][ T74] [ 901.427559][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 901.427559][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 901.427559][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 901.427559][ T74] fib6_nh_init+0xa22/0x1580 [ 901.427559][ T74] ip6_route_info_create+0xf18/0x17d0 [ 901.427559][ T74] ip6_route_add+0x1c/0x140 [ 901.427559][ T74] inet6_rtm_newroute+0x104/0x110 [ 901.427559][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 901.427559][ T74] netlink_rcv_skb+0x130/0x360 [ 901.427559][ T74] netlink_unicast+0x449/0x710 [ 901.427559][ T74] netlink_sendmsg+0x723/0xbe0 [ 901.427559][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 901.427559][ T74] ___sys_sendmsg+0xee/0x170 [ 901.427559][ T74] __sys_sendmsg+0xcd/0x170 [ 901.427559][ T74] do_syscall_64+0xc6/0x1e0 [ 901.427559][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 901.427559][ T74] [ 901.429993][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 901.429993][ T74] netdev_get_by_index+0x5e/0x80 [ 901.429993][ T74] fib6_nh_init+0x3d8/0x1580 [ 901.429993][ T74] ip6_route_info_create+0xf18/0x17d0 [ 901.429993][ T74] addrconf_f6i_alloc+0x265/0x560 [ 901.429993][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 901.429993][ T74] addrconf_join_anycast+0x1c0/0x220 [ 901.429993][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 901.429993][ T74] addrconf_dad_completed+0x12b/0xe20 [ 901.429993][ T74] addrconf_dad_begin+0x310/0x670 [ 901.429993][ T74] addrconf_dad_work+0x10b/0xab0 [ 901.429993][ T74] process_one_work+0x84d/0x18a0 [ 901.429993][ T74] worker_thread+0x587/0xd30 [ 901.429993][ T74] kthread+0x28a/0x350 [ 901.429993][ T74] ret_from_fork+0x31/0x70 [ 901.429993][ T74] ret_from_fork_asm+0x1a/0x30 [ 901.429993][ T74] [ 901.432391][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 901.432391][ T74] netdev_get_by_index+0x5e/0x80 [ 901.432391][ T74] fib6_nh_init+0x3d8/0x1580 [ 901.432391][ T74] ip6_route_info_create+0xf18/0x17d0 [ 901.432391][ T74] ip6_route_add+0x1c/0x140 [ 901.432391][ T74] addrconf_prefix_route+0x2a6/0x430 [ 901.432391][ T74] inet6_addr_add+0x4f8/0xa40 [ 901.432391][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 901.432391][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 901.432391][ T74] netlink_rcv_skb+0x130/0x360 [ 901.432391][ T74] netlink_unicast+0x449/0x710 [ 901.432391][ T74] netlink_sendmsg+0x723/0xbe0 [ 901.432391][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 901.432391][ T74] ___sys_sendmsg+0xee/0x170 [ 901.432391][ T74] __sys_sendmsg+0xcd/0x170 [ 901.432391][ T74] do_syscall_64+0xc6/0x1e0 [ 901.432391][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 901.432391][ T74] [ 901.435285][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 901.435285][ T74] netdev_get_by_index+0x5e/0x80 [ 901.435285][ T74] fib6_nh_init+0x3d8/0x1580 [ 901.435285][ T74] ip6_route_info_create+0xf18/0x17d0 [ 901.435285][ T74] addrconf_f6i_alloc+0x315/0x560 [ 901.435285][ T74] ipv6_add_addr+0x411/0x2000 [ 901.435285][ T74] inet6_addr_add+0x30e/0xa40 [ 901.435285][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 901.435285][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 901.435285][ T74] netlink_rcv_skb+0x130/0x360 [ 901.435285][ T74] netlink_unicast+0x449/0x710 [ 901.435285][ T74] netlink_sendmsg+0x723/0xbe0 [ 901.435285][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 901.435285][ T74] ___sys_sendmsg+0xee/0x170 [ 901.435285][ T74] __sys_sendmsg+0xcd/0x170 [ 901.435285][ T74] do_syscall_64+0xc6/0x1e0 [ 901.435285][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 901.435285][ T74] [ 901.437826][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 901.437826][ T74] netdev_get_by_index+0x5e/0x80 [ 901.437826][ T74] fib6_nh_init+0x3d8/0x1580 [ 901.437826][ T74] ip6_route_info_create+0xf18/0x17d0 [ 901.437826][ T74] ip6_route_add+0x1c/0x140 [ 901.437826][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 901.437826][ T74] addrconf_add_dev+0xe2/0x170 [ 901.437826][ T74] inet6_addr_add+0x12f/0xa40 [ 901.437826][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 901.437826][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 901.437826][ T74] netlink_rcv_skb+0x130/0x360 [ 901.437826][ T74] netlink_unicast+0x449/0x710 [ 901.437826][ T74] netlink_sendmsg+0x723/0xbe0 [ 901.437826][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 901.437826][ T74] ___sys_sendmsg+0xee/0x170 [ 901.437826][ T74] __sys_sendmsg+0xcd/0x170 [ 901.437826][ T74] do_syscall_64+0xc6/0x1e0 [ 901.437826][ T74] [ 901.440371][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 901.440371][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 901.440371][ T74] ipv6_find_idev+0x102/0x170 [ 901.440371][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 901.440371][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 901.440371][ T74] netlink_rcv_skb+0x130/0x360 [ 901.440371][ T74] netlink_unicast+0x449/0x710 [ 901.440371][ T74] netlink_sendmsg+0x723/0xbe0 [ 901.440371][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 901.440371][ T74] ___sys_sendmsg+0xee/0x170 [ 901.440371][ T74] __sys_sendmsg+0xcd/0x170 [ 901.440371][ T74] do_syscall_64+0xc6/0x1e0 [ 901.440371][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 901.440371][ T74] [ 901.442515][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 901.442515][ T74] neigh_parms_alloc+0x1e5/0x510 [ 901.442515][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 901.442515][ T74] ipv6_find_idev+0x102/0x170 [ 901.442515][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 901.442515][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 901.442515][ T74] netlink_rcv_skb+0x130/0x360 [ 901.442515][ T74] netlink_unicast+0x449/0x710 [ 901.442515][ T74] netlink_sendmsg+0x723/0xbe0 [ 901.442515][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 901.442515][ T74] ___sys_sendmsg+0xee/0x170 [ 901.442515][ T74] __sys_sendmsg+0xcd/0x170 [ 901.442515][ T74] do_syscall_64+0xc6/0x1e0 [ 901.442515][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 901.442515][ T74] [ 901.444670][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 901.445442][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 901.445442][ T74] netdev_get_by_index+0x5e/0x80 [ 901.445442][ T74] fib6_nh_init+0x3d8/0x1580 [ 901.445442][ T74] ip6_route_info_create+0xf18/0x17d0 [ 901.445442][ T74] ip6_route_add+0x1c/0x140 [ 901.445442][ T74] addrconf_prefix_route+0x2a6/0x430 [ 901.445442][ T74] inet6_addr_add+0x4f8/0xa40 [ 901.445442][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 901.445442][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 901.445442][ T74] netlink_rcv_skb+0x130/0x360 [ 901.445442][ T74] netlink_unicast+0x449/0x710 [ 901.445442][ T74] netlink_sendmsg+0x723/0xbe0 [ 901.445442][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 901.445442][ T74] ___sys_sendmsg+0xee/0x170 [ 901.445442][ T74] __sys_sendmsg+0xcd/0x170 [ 901.445442][ T74] do_syscall_64+0xc6/0x1e0 [ 901.445442][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 901.445442][ T74] [ 901.447763][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 901.447763][ T74] netdev_get_by_index+0x5e/0x80 [ 901.447763][ T74] fib6_nh_init+0x3d8/0x1580 [ 901.447763][ T74] ip6_route_info_create+0xf18/0x17d0 [ 901.447763][ T74] addrconf_f6i_alloc+0x315/0x560 [ 901.447763][ T74] ipv6_add_addr+0x411/0x2000 [ 901.447763][ T74] inet6_addr_add+0x30e/0xa40 [ 901.447763][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 901.447763][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 901.447763][ T74] netlink_rcv_skb+0x130/0x360 [ 901.447763][ T74] netlink_unicast+0x449/0x710 [ 901.447763][ T74] netlink_sendmsg+0x723/0xbe0 [ 901.447763][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 901.447763][ T74] ___sys_sendmsg+0xee/0x170 [ 901.447763][ T74] __sys_sendmsg+0xcd/0x170 [ 901.447763][ T74] do_syscall_64+0xc6/0x1e0 [ 901.447763][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 901.447763][ T74] [ 901.450195][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 901.450195][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 901.450195][ T74] ipv6_find_idev+0x102/0x170 [ 901.450195][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 901.450195][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 901.450195][ T74] netlink_rcv_skb+0x130/0x360 [ 901.450195][ T74] netlink_unicast+0x449/0x710 [ 901.450195][ T74] netlink_sendmsg+0x723/0xbe0 [ 901.450195][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 901.450195][ T74] ___sys_sendmsg+0xee/0x170 [ 901.450195][ T74] __sys_sendmsg+0xcd/0x170 [ 901.450195][ T74] do_syscall_64+0xc6/0x1e0 [ 901.450195][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 901.450195][ T74] [ 901.452215][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 901.452215][ T74] neigh_parms_alloc+0x1e5/0x510 [ 901.452215][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 901.452215][ T74] ipv6_find_idev+0x102/0x170 [ 901.452215][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 901.452215][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 901.452215][ T74] netlink_rcv_skb+0x130/0x360 [ 901.452215][ T74] netlink_unicast+0x449/0x710 [ 901.452215][ T74] netlink_sendmsg+0x723/0xbe0 [ 901.452215][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 901.452215][ T74] ___sys_sendmsg+0xee/0x170 [ 901.452215][ T74] __sys_sendmsg+0xcd/0x170 [ 901.452215][ T74] do_syscall_64+0xc6/0x1e0 [ 901.452215][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 901.452215][ T74] [ 911.560406][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 911.560856][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 911.560856][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 911.560856][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 911.560856][ T74] fib6_nh_init+0xa22/0x1580 [ 911.560856][ T74] ip6_route_info_create+0xf18/0x17d0 [ 911.560856][ T74] ip6_route_add+0x1c/0x140 [ 911.560856][ T74] inet6_rtm_newroute+0x104/0x110 [ 911.560856][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 911.560856][ T74] netlink_rcv_skb+0x130/0x360 [ 911.560856][ T74] netlink_unicast+0x449/0x710 [ 911.560856][ T74] netlink_sendmsg+0x723/0xbe0 [ 911.560856][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 911.560856][ T74] ___sys_sendmsg+0xee/0x170 [ 911.560856][ T74] __sys_sendmsg+0xcd/0x170 [ 911.560856][ T74] do_syscall_64+0xc6/0x1e0 [ 911.560856][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 911.560856][ T74] [ 911.563045][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 911.563045][ T74] netdev_get_by_index+0x5e/0x80 [ 911.563045][ T74] fib6_nh_init+0x3d8/0x1580 [ 911.563045][ T74] ip6_route_info_create+0xf18/0x17d0 [ 911.563045][ T74] addrconf_f6i_alloc+0x265/0x560 [ 911.563045][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 911.563045][ T74] addrconf_join_anycast+0x1c0/0x220 [ 911.563045][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 911.563045][ T74] addrconf_dad_completed+0x12b/0xe20 [ 911.563045][ T74] addrconf_dad_begin+0x310/0x670 [ 911.563045][ T74] addrconf_dad_work+0x10b/0xab0 [ 911.563045][ T74] process_one_work+0x84d/0x18a0 [ 911.563045][ T74] worker_thread+0x587/0xd30 [ 911.563045][ T74] kthread+0x28a/0x350 [ 911.563045][ T74] ret_from_fork+0x31/0x70 [ 911.563045][ T74] ret_from_fork_asm+0x1a/0x30 [ 911.563045][ T74] [ 911.565263][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 911.565263][ T74] netdev_get_by_index+0x5e/0x80 [ 911.565263][ T74] fib6_nh_init+0x3d8/0x1580 [ 911.565263][ T74] ip6_route_info_create+0xf18/0x17d0 [ 911.565263][ T74] ip6_route_add+0x1c/0x140 [ 911.565263][ T74] addrconf_prefix_route+0x2a6/0x430 [ 911.565263][ T74] inet6_addr_add+0x4f8/0xa40 [ 911.565263][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 911.565263][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 911.565263][ T74] netlink_rcv_skb+0x130/0x360 [ 911.565263][ T74] netlink_unicast+0x449/0x710 [ 911.565263][ T74] netlink_sendmsg+0x723/0xbe0 [ 911.565263][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 911.565263][ T74] ___sys_sendmsg+0xee/0x170 [ 911.565263][ T74] __sys_sendmsg+0xcd/0x170 [ 911.565263][ T74] do_syscall_64+0xc6/0x1e0 [ 911.565263][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 911.565263][ T74] [ 911.567557][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 911.567557][ T74] netdev_get_by_index+0x5e/0x80 [ 911.567557][ T74] fib6_nh_init+0x3d8/0x1580 [ 911.567557][ T74] ip6_route_info_create+0xf18/0x17d0 [ 911.567557][ T74] addrconf_f6i_alloc+0x315/0x560 [ 911.567557][ T74] ipv6_add_addr+0x411/0x2000 [ 911.567557][ T74] inet6_addr_add+0x30e/0xa40 [ 911.567557][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 911.567557][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 911.567557][ T74] netlink_rcv_skb+0x130/0x360 [ 911.567557][ T74] netlink_unicast+0x449/0x710 [ 911.567557][ T74] netlink_sendmsg+0x723/0xbe0 [ 911.567557][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 911.567557][ T74] ___sys_sendmsg+0xee/0x170 [ 911.567557][ T74] __sys_sendmsg+0xcd/0x170 [ 911.567557][ T74] do_syscall_64+0xc6/0x1e0 [ 911.567557][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 911.567557][ T74] [ 911.569885][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 911.569885][ T74] netdev_get_by_index+0x5e/0x80 [ 911.569885][ T74] fib6_nh_init+0x3d8/0x1580 [ 911.569885][ T74] ip6_route_info_create+0xf18/0x17d0 [ 911.569885][ T74] ip6_route_add+0x1c/0x140 [ 911.569885][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 911.569885][ T74] addrconf_add_dev+0xe2/0x170 [ 911.569885][ T74] inet6_addr_add+0x12f/0xa40 [ 911.569885][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 911.569885][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 911.569885][ T74] netlink_rcv_skb+0x130/0x360 [ 911.569885][ T74] netlink_unicast+0x449/0x710 [ 911.569885][ T74] netlink_sendmsg+0x723/0xbe0 [ 911.569885][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 911.569885][ T74] ___sys_sendmsg+0xee/0x170 [ 911.569885][ T74] __sys_sendmsg+0xcd/0x170 [ 911.569885][ T74] do_syscall_64+0xc6/0x1e0 [ 911.569885][ T74] [ 911.572282][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 911.572282][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 911.572282][ T74] ipv6_find_idev+0x102/0x170 [ 911.572282][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 911.572282][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 911.572282][ T74] netlink_rcv_skb+0x130/0x360 [ 911.572282][ T74] netlink_unicast+0x449/0x710 [ 911.572282][ T74] netlink_sendmsg+0x723/0xbe0 [ 911.572282][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 911.572282][ T74] ___sys_sendmsg+0xee/0x170 [ 911.572282][ T74] __sys_sendmsg+0xcd/0x170 [ 911.572282][ T74] do_syscall_64+0xc6/0x1e0 [ 911.572282][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 911.572282][ T74] [ 911.574258][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 911.574258][ T74] neigh_parms_alloc+0x1e5/0x510 [ 911.574258][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 911.574258][ T74] ipv6_find_idev+0x102/0x170 [ 911.574258][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 911.574258][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 911.574258][ T74] netlink_rcv_skb+0x130/0x360 [ 911.574258][ T74] netlink_unicast+0x449/0x710 [ 911.574258][ T74] netlink_sendmsg+0x723/0xbe0 [ 911.574258][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 911.574258][ T74] ___sys_sendmsg+0xee/0x170 [ 911.574258][ T74] __sys_sendmsg+0xcd/0x170 [ 911.574258][ T74] do_syscall_64+0xc6/0x1e0 [ 911.574258][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 911.574258][ T74] [ 911.576624][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 911.576964][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 911.576964][ T74] dst_init+0x84/0x4a0 [ 911.576964][ T74] dst_alloc+0x97/0x150 [ 911.576964][ T74] ip6_dst_alloc+0x23/0x90 [ 911.576964][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 911.576964][ T74] ip6_pol_route+0x56f/0x840 [ 911.576964][ T74] fib6_rule_lookup+0x456/0x630 [ 911.576964][ T74] ip6_route_input+0x59c/0xa50 [ 911.576964][ T74] ipv6_rcv+0x397/0x810 [ 911.576964][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 911.576964][ T74] process_backlog+0x101/0x620 [ 911.576964][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 911.576964][ T74] net_rx_action+0x495/0xbe0 [ 911.576964][ T74] __do_softirq+0x1b5/0x7f6 [ 911.576964][ T74] [ 911.579011][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 911.579011][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 911.579011][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 911.579011][ T74] fib6_nh_init+0xa22/0x1580 [ 911.579011][ T74] ip6_route_info_create+0xf18/0x17d0 [ 911.579011][ T74] ip6_route_add+0x1c/0x140 [ 911.579011][ T74] inet6_rtm_newroute+0x104/0x110 [ 911.579011][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 911.579011][ T74] netlink_rcv_skb+0x130/0x360 [ 911.579011][ T74] netlink_unicast+0x449/0x710 [ 911.579011][ T74] netlink_sendmsg+0x723/0xbe0 [ 911.579011][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 911.579011][ T74] ___sys_sendmsg+0xee/0x170 [ 911.579011][ T74] __sys_sendmsg+0xcd/0x170 [ 911.579011][ T74] do_syscall_64+0xc6/0x1e0 [ 911.579011][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 911.579011][ T74] [ 911.581436][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 911.581436][ T74] netdev_get_by_index+0x5e/0x80 [ 911.581436][ T74] fib6_nh_init+0x3d8/0x1580 [ 911.581436][ T74] ip6_route_info_create+0xf18/0x17d0 [ 911.581436][ T74] addrconf_f6i_alloc+0x265/0x560 [ 911.581436][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 911.581436][ T74] addrconf_join_anycast+0x1c0/0x220 [ 911.581436][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 911.581436][ T74] addrconf_dad_completed+0x12b/0xe20 [ 911.581436][ T74] addrconf_dad_begin+0x310/0x670 [ 911.581436][ T74] addrconf_dad_work+0x10b/0xab0 [ 911.581436][ T74] process_one_work+0x84d/0x18a0 [ 911.581436][ T74] worker_thread+0x587/0xd30 [ 911.581436][ T74] kthread+0x28a/0x350 [ 911.581436][ T74] ret_from_fork+0x31/0x70 [ 911.581436][ T74] ret_from_fork_asm+0x1a/0x30 [ 911.581436][ T74] [ 911.583908][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 911.583908][ T74] netdev_get_by_index+0x5e/0x80 [ 911.583908][ T74] fib6_nh_init+0x3d8/0x1580 [ 911.583908][ T74] ip6_route_info_create+0xf18/0x17d0 [ 911.583908][ T74] ip6_route_add+0x1c/0x140 [ 911.583908][ T74] addrconf_prefix_route+0x2a6/0x430 [ 911.583908][ T74] inet6_addr_add+0x4f8/0xa40 [ 911.583908][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 911.583908][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 911.583908][ T74] netlink_rcv_skb+0x130/0x360 [ 911.583908][ T74] netlink_unicast+0x449/0x710 [ 911.583908][ T74] netlink_sendmsg+0x723/0xbe0 [ 911.583908][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 911.583908][ T74] ___sys_sendmsg+0xee/0x170 [ 911.583908][ T74] __sys_sendmsg+0xcd/0x170 [ 911.583908][ T74] do_syscall_64+0xc6/0x1e0 [ 911.583908][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 911.583908][ T74] [ 911.586526][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 911.586526][ T74] netdev_get_by_index+0x5e/0x80 [ 911.586526][ T74] fib6_nh_init+0x3d8/0x1580 [ 911.586526][ T74] ip6_route_info_create+0xf18/0x17d0 [ 911.586526][ T74] addrconf_f6i_alloc+0x315/0x560 [ 911.586526][ T74] ipv6_add_addr+0x411/0x2000 [ 911.586526][ T74] inet6_addr_add+0x30e/0xa40 [ 911.586526][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 911.586526][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 911.586526][ T74] netlink_rcv_skb+0x130/0x360 [ 911.586526][ T74] netlink_unicast+0x449/0x710 [ 911.586526][ T74] netlink_sendmsg+0x723/0xbe0 [ 911.586526][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 911.586526][ T74] ___sys_sendmsg+0xee/0x170 [ 911.586526][ T74] __sys_sendmsg+0xcd/0x170 [ 911.586526][ T74] do_syscall_64+0xc6/0x1e0 [ 911.586526][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 911.586526][ T74] [ 911.589093][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 911.589093][ T74] netdev_get_by_index+0x5e/0x80 [ 911.589093][ T74] fib6_nh_init+0x3d8/0x1580 [ 911.589093][ T74] ip6_route_info_create+0xf18/0x17d0 [ 911.589093][ T74] ip6_route_add+0x1c/0x140 [ 911.589093][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 911.589093][ T74] addrconf_add_dev+0xe2/0x170 [ 911.589093][ T74] inet6_addr_add+0x12f/0xa40 [ 911.589093][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 911.589093][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 911.589093][ T74] netlink_rcv_skb+0x130/0x360 [ 911.589093][ T74] netlink_unicast+0x449/0x710 [ 911.589093][ T74] netlink_sendmsg+0x723/0xbe0 [ 911.589093][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 911.589093][ T74] ___sys_sendmsg+0xee/0x170 [ 911.589093][ T74] __sys_sendmsg+0xcd/0x170 [ 911.589093][ T74] do_syscall_64+0xc6/0x1e0 [ 911.589093][ T74] [ 911.591625][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 911.591625][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 911.591625][ T74] ipv6_find_idev+0x102/0x170 [ 911.591625][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 911.591625][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 911.591625][ T74] netlink_rcv_skb+0x130/0x360 [ 911.591625][ T74] netlink_unicast+0x449/0x710 [ 911.591625][ T74] netlink_sendmsg+0x723/0xbe0 [ 911.591625][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 911.591625][ T74] ___sys_sendmsg+0xee/0x170 [ 911.591625][ T74] __sys_sendmsg+0xcd/0x170 [ 911.591625][ T74] do_syscall_64+0xc6/0x1e0 [ 911.591625][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 911.591625][ T74] [ 911.593552][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 911.593552][ T74] neigh_parms_alloc+0x1e5/0x510 [ 911.593552][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 911.593552][ T74] ipv6_find_idev+0x102/0x170 [ 911.593552][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 911.593552][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 911.593552][ T74] netlink_rcv_skb+0x130/0x360 [ 911.593552][ T74] netlink_unicast+0x449/0x710 [ 911.593552][ T74] netlink_sendmsg+0x723/0xbe0 [ 911.593552][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 911.593552][ T74] ___sys_sendmsg+0xee/0x170 [ 911.593552][ T74] __sys_sendmsg+0xcd/0x170 [ 911.593552][ T74] do_syscall_64+0xc6/0x1e0 [ 911.593552][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 911.593552][ T74] [ 911.595687][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 911.596082][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 911.596082][ T74] netdev_get_by_index+0x5e/0x80 [ 911.596082][ T74] fib6_nh_init+0x3d8/0x1580 [ 911.596082][ T74] ip6_route_info_create+0xf18/0x17d0 [ 911.596082][ T74] ip6_route_add+0x1c/0x140 [ 911.596082][ T74] addrconf_prefix_route+0x2a6/0x430 [ 911.596082][ T74] inet6_addr_add+0x4f8/0xa40 [ 911.596082][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 911.596082][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 911.596082][ T74] netlink_rcv_skb+0x130/0x360 [ 911.596082][ T74] netlink_unicast+0x449/0x710 [ 911.596082][ T74] netlink_sendmsg+0x723/0xbe0 [ 911.596082][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 911.596082][ T74] ___sys_sendmsg+0xee/0x170 [ 911.596082][ T74] __sys_sendmsg+0xcd/0x170 [ 911.596082][ T74] do_syscall_64+0xc6/0x1e0 [ 911.596082][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 911.596082][ T74] [ 911.598404][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 911.598404][ T74] netdev_get_by_index+0x5e/0x80 [ 911.598404][ T74] fib6_nh_init+0x3d8/0x1580 [ 911.598404][ T74] ip6_route_info_create+0xf18/0x17d0 [ 911.598404][ T74] addrconf_f6i_alloc+0x315/0x560 [ 911.598404][ T74] ipv6_add_addr+0x411/0x2000 [ 911.598404][ T74] inet6_addr_add+0x30e/0xa40 [ 911.598404][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 911.598404][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 911.598404][ T74] netlink_rcv_skb+0x130/0x360 [ 911.598404][ T74] netlink_unicast+0x449/0x710 [ 911.598404][ T74] netlink_sendmsg+0x723/0xbe0 [ 911.598404][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 911.598404][ T74] ___sys_sendmsg+0xee/0x170 [ 911.598404][ T74] __sys_sendmsg+0xcd/0x170 [ 911.598404][ T74] do_syscall_64+0xc6/0x1e0 [ 911.598404][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 911.598404][ T74] [ 911.600824][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 911.600824][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 911.600824][ T74] ipv6_find_idev+0x102/0x170 [ 911.600824][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 911.600824][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 911.600824][ T74] netlink_rcv_skb+0x130/0x360 [ 911.600824][ T74] netlink_unicast+0x449/0x710 [ 911.600824][ T74] netlink_sendmsg+0x723/0xbe0 [ 911.600824][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 911.600824][ T74] ___sys_sendmsg+0xee/0x170 [ 911.600824][ T74] __sys_sendmsg+0xcd/0x170 [ 911.600824][ T74] do_syscall_64+0xc6/0x1e0 [ 911.600824][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 911.600824][ T74] [ 911.602668][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 911.602668][ T74] neigh_parms_alloc+0x1e5/0x510 [ 911.602668][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 911.602668][ T74] ipv6_find_idev+0x102/0x170 [ 911.602668][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 911.602668][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 911.602668][ T74] netlink_rcv_skb+0x130/0x360 [ 911.602668][ T74] netlink_unicast+0x449/0x710 [ 911.602668][ T74] netlink_sendmsg+0x723/0xbe0 [ 911.602668][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 911.602668][ T74] ___sys_sendmsg+0xee/0x170 [ 911.602668][ T74] __sys_sendmsg+0xcd/0x170 [ 911.602668][ T74] do_syscall_64+0xc6/0x1e0 [ 911.602668][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 911.602668][ T74] [ 921.735885][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 921.736328][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 921.736328][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 921.736328][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 921.736328][ T74] fib6_nh_init+0xa22/0x1580 [ 921.736328][ T74] ip6_route_info_create+0xf18/0x17d0 [ 921.736328][ T74] ip6_route_add+0x1c/0x140 [ 921.736328][ T74] inet6_rtm_newroute+0x104/0x110 [ 921.736328][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 921.736328][ T74] netlink_rcv_skb+0x130/0x360 [ 921.736328][ T74] netlink_unicast+0x449/0x710 [ 921.736328][ T74] netlink_sendmsg+0x723/0xbe0 [ 921.736328][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 921.736328][ T74] ___sys_sendmsg+0xee/0x170 [ 921.736328][ T74] __sys_sendmsg+0xcd/0x170 [ 921.736328][ T74] do_syscall_64+0xc6/0x1e0 [ 921.736328][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 921.736328][ T74] [ 921.738569][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 921.738569][ T74] netdev_get_by_index+0x5e/0x80 [ 921.738569][ T74] fib6_nh_init+0x3d8/0x1580 [ 921.738569][ T74] ip6_route_info_create+0xf18/0x17d0 [ 921.738569][ T74] addrconf_f6i_alloc+0x265/0x560 [ 921.738569][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 921.738569][ T74] addrconf_join_anycast+0x1c0/0x220 [ 921.738569][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 921.738569][ T74] addrconf_dad_completed+0x12b/0xe20 [ 921.738569][ T74] addrconf_dad_begin+0x310/0x670 [ 921.738569][ T74] addrconf_dad_work+0x10b/0xab0 [ 921.738569][ T74] process_one_work+0x84d/0x18a0 [ 921.738569][ T74] worker_thread+0x587/0xd30 [ 921.738569][ T74] kthread+0x28a/0x350 [ 921.738569][ T74] ret_from_fork+0x31/0x70 [ 921.738569][ T74] ret_from_fork_asm+0x1a/0x30 [ 921.738569][ T74] [ 921.740506][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 921.740506][ T74] netdev_get_by_index+0x5e/0x80 [ 921.740506][ T74] fib6_nh_init+0x3d8/0x1580 [ 921.740506][ T74] ip6_route_info_create+0xf18/0x17d0 [ 921.740506][ T74] ip6_route_add+0x1c/0x140 [ 921.740506][ T74] addrconf_prefix_route+0x2a6/0x430 [ 921.740506][ T74] inet6_addr_add+0x4f8/0xa40 [ 921.740506][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 921.740506][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 921.740506][ T74] netlink_rcv_skb+0x130/0x360 [ 921.740506][ T74] netlink_unicast+0x449/0x710 [ 921.740506][ T74] netlink_sendmsg+0x723/0xbe0 [ 921.740506][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 921.740506][ T74] ___sys_sendmsg+0xee/0x170 [ 921.740506][ T74] __sys_sendmsg+0xcd/0x170 [ 921.740506][ T74] do_syscall_64+0xc6/0x1e0 [ 921.740506][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 921.740506][ T74] [ 921.742591][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 921.742591][ T74] netdev_get_by_index+0x5e/0x80 [ 921.742591][ T74] fib6_nh_init+0x3d8/0x1580 [ 921.742591][ T74] ip6_route_info_create+0xf18/0x17d0 [ 921.742591][ T74] addrconf_f6i_alloc+0x315/0x560 [ 921.742591][ T74] ipv6_add_addr+0x411/0x2000 [ 921.742591][ T74] inet6_addr_add+0x30e/0xa40 [ 921.742591][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 921.742591][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 921.742591][ T74] netlink_rcv_skb+0x130/0x360 [ 921.742591][ T74] netlink_unicast+0x449/0x710 [ 921.742591][ T74] netlink_sendmsg+0x723/0xbe0 [ 921.742591][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 921.742591][ T74] ___sys_sendmsg+0xee/0x170 [ 921.742591][ T74] __sys_sendmsg+0xcd/0x170 [ 921.742591][ T74] do_syscall_64+0xc6/0x1e0 [ 921.742591][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 921.742591][ T74] [ 921.744709][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 921.744709][ T74] netdev_get_by_index+0x5e/0x80 [ 921.744709][ T74] fib6_nh_init+0x3d8/0x1580 [ 921.744709][ T74] ip6_route_info_create+0xf18/0x17d0 [ 921.744709][ T74] ip6_route_add+0x1c/0x140 [ 921.744709][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 921.744709][ T74] addrconf_add_dev+0xe2/0x170 [ 921.744709][ T74] inet6_addr_add+0x12f/0xa40 [ 921.744709][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 921.744709][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 921.744709][ T74] netlink_rcv_skb+0x130/0x360 [ 921.744709][ T74] netlink_unicast+0x449/0x710 [ 921.744709][ T74] netlink_sendmsg+0x723/0xbe0 [ 921.744709][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 921.744709][ T74] ___sys_sendmsg+0xee/0x170 [ 921.744709][ T74] __sys_sendmsg+0xcd/0x170 [ 921.744709][ T74] do_syscall_64+0xc6/0x1e0 [ 921.744709][ T74] [ 921.746739][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 921.746739][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 921.746739][ T74] ipv6_find_idev+0x102/0x170 [ 921.746739][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 921.746739][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 921.746739][ T74] netlink_rcv_skb+0x130/0x360 [ 921.746739][ T74] netlink_unicast+0x449/0x710 [ 921.746739][ T74] netlink_sendmsg+0x723/0xbe0 [ 921.746739][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 921.746739][ T74] ___sys_sendmsg+0xee/0x170 [ 921.746739][ T74] __sys_sendmsg+0xcd/0x170 [ 921.746739][ T74] do_syscall_64+0xc6/0x1e0 [ 921.746739][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 921.746739][ T74] [ 921.748363][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 921.748363][ T74] neigh_parms_alloc+0x1e5/0x510 [ 921.748363][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 921.748363][ T74] ipv6_find_idev+0x102/0x170 [ 921.748363][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 921.748363][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 921.748363][ T74] netlink_rcv_skb+0x130/0x360 [ 921.748363][ T74] netlink_unicast+0x449/0x710 [ 921.748363][ T74] netlink_sendmsg+0x723/0xbe0 [ 921.748363][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 921.748363][ T74] ___sys_sendmsg+0xee/0x170 [ 921.748363][ T74] __sys_sendmsg+0xcd/0x170 [ 921.748363][ T74] do_syscall_64+0xc6/0x1e0 [ 921.748363][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 921.748363][ T74] [ 921.750131][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 921.750420][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 921.750420][ T74] dst_init+0x84/0x4a0 [ 921.750420][ T74] dst_alloc+0x97/0x150 [ 921.750420][ T74] ip6_dst_alloc+0x23/0x90 [ 921.750420][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 921.750420][ T74] ip6_pol_route+0x56f/0x840 [ 921.750420][ T74] fib6_rule_lookup+0x456/0x630 [ 921.750420][ T74] ip6_route_input+0x59c/0xa50 [ 921.750420][ T74] ipv6_rcv+0x397/0x810 [ 921.750420][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 921.750420][ T74] process_backlog+0x101/0x620 [ 921.750420][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 921.750420][ T74] net_rx_action+0x495/0xbe0 [ 921.750420][ T74] __do_softirq+0x1b5/0x7f6 [ 921.750420][ T74] [ 921.752101][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 921.752101][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 921.752101][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 921.752101][ T74] fib6_nh_init+0xa22/0x1580 [ 921.752101][ T74] ip6_route_info_create+0xf18/0x17d0 [ 921.752101][ T74] ip6_route_add+0x1c/0x140 [ 921.752101][ T74] inet6_rtm_newroute+0x104/0x110 [ 921.752101][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 921.752101][ T74] netlink_rcv_skb+0x130/0x360 [ 921.752101][ T74] netlink_unicast+0x449/0x710 [ 921.752101][ T74] netlink_sendmsg+0x723/0xbe0 [ 921.752101][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 921.752101][ T74] ___sys_sendmsg+0xee/0x170 [ 921.752101][ T74] __sys_sendmsg+0xcd/0x170 [ 921.752101][ T74] do_syscall_64+0xc6/0x1e0 [ 921.752101][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 921.752101][ T74] [ 921.754117][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 921.754117][ T74] netdev_get_by_index+0x5e/0x80 [ 921.754117][ T74] fib6_nh_init+0x3d8/0x1580 [ 921.754117][ T74] ip6_route_info_create+0xf18/0x17d0 [ 921.754117][ T74] addrconf_f6i_alloc+0x265/0x560 [ 921.754117][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 921.754117][ T74] addrconf_join_anycast+0x1c0/0x220 [ 921.754117][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 921.754117][ T74] addrconf_dad_completed+0x12b/0xe20 [ 921.754117][ T74] addrconf_dad_begin+0x310/0x670 [ 921.754117][ T74] addrconf_dad_work+0x10b/0xab0 [ 921.754117][ T74] process_one_work+0x84d/0x18a0 [ 921.754117][ T74] worker_thread+0x587/0xd30 [ 921.754117][ T74] kthread+0x28a/0x350 [ 921.754117][ T74] ret_from_fork+0x31/0x70 [ 921.754117][ T74] ret_from_fork_asm+0x1a/0x30 [ 921.754117][ T74] [ 921.756526][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 921.756526][ T74] netdev_get_by_index+0x5e/0x80 [ 921.756526][ T74] fib6_nh_init+0x3d8/0x1580 [ 921.756526][ T74] ip6_route_info_create+0xf18/0x17d0 [ 921.756526][ T74] ip6_route_add+0x1c/0x140 [ 921.756526][ T74] addrconf_prefix_route+0x2a6/0x430 [ 921.756526][ T74] inet6_addr_add+0x4f8/0xa40 [ 921.756526][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 921.756526][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 921.756526][ T74] netlink_rcv_skb+0x130/0x360 [ 921.756526][ T74] netlink_unicast+0x449/0x710 [ 921.756526][ T74] netlink_sendmsg+0x723/0xbe0 [ 921.756526][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 921.756526][ T74] ___sys_sendmsg+0xee/0x170 [ 921.756526][ T74] __sys_sendmsg+0xcd/0x170 [ 921.756526][ T74] do_syscall_64+0xc6/0x1e0 [ 921.756526][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 921.756526][ T74] [ 921.758857][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 921.758857][ T74] netdev_get_by_index+0x5e/0x80 [ 921.758857][ T74] fib6_nh_init+0x3d8/0x1580 [ 921.758857][ T74] ip6_route_info_create+0xf18/0x17d0 [ 921.758857][ T74] addrconf_f6i_alloc+0x315/0x560 [ 921.758857][ T74] ipv6_add_addr+0x411/0x2000 [ 921.758857][ T74] inet6_addr_add+0x30e/0xa40 [ 921.758857][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 921.758857][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 921.758857][ T74] netlink_rcv_skb+0x130/0x360 [ 921.758857][ T74] netlink_unicast+0x449/0x710 [ 921.758857][ T74] netlink_sendmsg+0x723/0xbe0 [ 921.758857][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 921.758857][ T74] ___sys_sendmsg+0xee/0x170 [ 921.758857][ T74] __sys_sendmsg+0xcd/0x170 [ 921.758857][ T74] do_syscall_64+0xc6/0x1e0 [ 921.758857][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 921.758857][ T74] [ 921.761246][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 921.761246][ T74] netdev_get_by_index+0x5e/0x80 [ 921.761246][ T74] fib6_nh_init+0x3d8/0x1580 [ 921.761246][ T74] ip6_route_info_create+0xf18/0x17d0 [ 921.761246][ T74] ip6_route_add+0x1c/0x140 [ 921.761246][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 921.761246][ T74] addrconf_add_dev+0xe2/0x170 [ 921.761246][ T74] inet6_addr_add+0x12f/0xa40 [ 921.761246][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 921.761246][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 921.761246][ T74] netlink_rcv_skb+0x130/0x360 [ 921.761246][ T74] netlink_unicast+0x449/0x710 [ 921.761246][ T74] netlink_sendmsg+0x723/0xbe0 [ 921.761246][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 921.761246][ T74] ___sys_sendmsg+0xee/0x170 [ 921.761246][ T74] __sys_sendmsg+0xcd/0x170 [ 921.761246][ T74] do_syscall_64+0xc6/0x1e0 [ 921.761246][ T74] [ 921.763600][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 921.763600][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 921.763600][ T74] ipv6_find_idev+0x102/0x170 [ 921.763600][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 921.763600][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 921.763600][ T74] netlink_rcv_skb+0x130/0x360 [ 921.763600][ T74] netlink_unicast+0x449/0x710 [ 921.763600][ T74] netlink_sendmsg+0x723/0xbe0 [ 921.763600][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 921.763600][ T74] ___sys_sendmsg+0xee/0x170 [ 921.763600][ T74] __sys_sendmsg+0xcd/0x170 [ 921.763600][ T74] do_syscall_64+0xc6/0x1e0 [ 921.763600][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 921.763600][ T74] [ 921.765342][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 921.765342][ T74] neigh_parms_alloc+0x1e5/0x510 [ 921.765342][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 921.765342][ T74] ipv6_find_idev+0x102/0x170 [ 921.765342][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 921.765342][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 921.765342][ T74] netlink_rcv_skb+0x130/0x360 [ 921.765342][ T74] netlink_unicast+0x449/0x710 [ 921.765342][ T74] netlink_sendmsg+0x723/0xbe0 [ 921.765342][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 921.765342][ T74] ___sys_sendmsg+0xee/0x170 [ 921.765342][ T74] __sys_sendmsg+0xcd/0x170 [ 921.765342][ T74] do_syscall_64+0xc6/0x1e0 [ 921.765342][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 921.765342][ T74] [ 921.767329][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 921.767574][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 921.767574][ T74] netdev_get_by_index+0x5e/0x80 [ 921.767574][ T74] fib6_nh_init+0x3d8/0x1580 [ 921.767574][ T74] ip6_route_info_create+0xf18/0x17d0 [ 921.767574][ T74] ip6_route_add+0x1c/0x140 [ 921.767574][ T74] addrconf_prefix_route+0x2a6/0x430 [ 921.767574][ T74] inet6_addr_add+0x4f8/0xa40 [ 921.767574][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 921.767574][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 921.767574][ T74] netlink_rcv_skb+0x130/0x360 [ 921.767574][ T74] netlink_unicast+0x449/0x710 [ 921.767574][ T74] netlink_sendmsg+0x723/0xbe0 [ 921.767574][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 921.767574][ T74] ___sys_sendmsg+0xee/0x170 [ 921.767574][ T74] __sys_sendmsg+0xcd/0x170 [ 921.767574][ T74] do_syscall_64+0xc6/0x1e0 [ 921.767574][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 921.767574][ T74] [ 921.770048][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 921.770048][ T74] netdev_get_by_index+0x5e/0x80 [ 921.770048][ T74] fib6_nh_init+0x3d8/0x1580 [ 921.770048][ T74] ip6_route_info_create+0xf18/0x17d0 [ 921.770048][ T74] addrconf_f6i_alloc+0x315/0x560 [ 921.770048][ T74] ipv6_add_addr+0x411/0x2000 [ 921.770048][ T74] inet6_addr_add+0x30e/0xa40 [ 921.770048][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 921.770048][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 921.770048][ T74] netlink_rcv_skb+0x130/0x360 [ 921.770048][ T74] netlink_unicast+0x449/0x710 [ 921.770048][ T74] netlink_sendmsg+0x723/0xbe0 [ 921.770048][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 921.770048][ T74] ___sys_sendmsg+0xee/0x170 [ 921.770048][ T74] __sys_sendmsg+0xcd/0x170 [ 921.770048][ T74] do_syscall_64+0xc6/0x1e0 [ 921.770048][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 921.770048][ T74] [ 921.772374][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 921.772374][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 921.772374][ T74] ipv6_find_idev+0x102/0x170 [ 921.772374][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 921.772374][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 921.772374][ T74] netlink_rcv_skb+0x130/0x360 [ 921.772374][ T74] netlink_unicast+0x449/0x710 [ 921.772374][ T74] netlink_sendmsg+0x723/0xbe0 [ 921.772374][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 921.772374][ T74] ___sys_sendmsg+0xee/0x170 [ 921.772374][ T74] __sys_sendmsg+0xcd/0x170 [ 921.772374][ T74] do_syscall_64+0xc6/0x1e0 [ 921.772374][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 921.772374][ T74] [ 921.774104][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 921.774104][ T74] neigh_parms_alloc+0x1e5/0x510 [ 921.774104][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 921.774104][ T74] ipv6_find_idev+0x102/0x170 [ 921.774104][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 921.774104][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 921.774104][ T74] netlink_rcv_skb+0x130/0x360 [ 921.774104][ T74] netlink_unicast+0x449/0x710 [ 921.774104][ T74] netlink_sendmsg+0x723/0xbe0 [ 921.774104][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 921.774104][ T74] ___sys_sendmsg+0xee/0x170 [ 921.774104][ T74] __sys_sendmsg+0xcd/0x170 [ 921.774104][ T74] do_syscall_64+0xc6/0x1e0 [ 921.774104][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 921.774104][ T74] [ 931.863872][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 931.864348][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 931.864348][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 931.864348][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 931.864348][ T74] fib6_nh_init+0xa22/0x1580 [ 931.864348][ T74] ip6_route_info_create+0xf18/0x17d0 [ 931.864348][ T74] ip6_route_add+0x1c/0x140 [ 931.864348][ T74] inet6_rtm_newroute+0x104/0x110 [ 931.864348][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 931.864348][ T74] netlink_rcv_skb+0x130/0x360 [ 931.864348][ T74] netlink_unicast+0x449/0x710 [ 931.864348][ T74] netlink_sendmsg+0x723/0xbe0 [ 931.864348][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 931.864348][ T74] ___sys_sendmsg+0xee/0x170 [ 931.864348][ T74] __sys_sendmsg+0xcd/0x170 [ 931.864348][ T74] do_syscall_64+0xc6/0x1e0 [ 931.864348][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 931.864348][ T74] [ 931.866634][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 931.866634][ T74] netdev_get_by_index+0x5e/0x80 [ 931.866634][ T74] fib6_nh_init+0x3d8/0x1580 [ 931.866634][ T74] ip6_route_info_create+0xf18/0x17d0 [ 931.866634][ T74] addrconf_f6i_alloc+0x265/0x560 [ 931.866634][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 931.866634][ T74] addrconf_join_anycast+0x1c0/0x220 [ 931.866634][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 931.866634][ T74] addrconf_dad_completed+0x12b/0xe20 [ 931.866634][ T74] addrconf_dad_begin+0x310/0x670 [ 931.866634][ T74] addrconf_dad_work+0x10b/0xab0 [ 931.866634][ T74] process_one_work+0x84d/0x18a0 [ 931.866634][ T74] worker_thread+0x587/0xd30 [ 931.866634][ T74] kthread+0x28a/0x350 [ 931.866634][ T74] ret_from_fork+0x31/0x70 [ 931.866634][ T74] ret_from_fork_asm+0x1a/0x30 [ 931.866634][ T74] [ 931.868871][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 931.868871][ T74] netdev_get_by_index+0x5e/0x80 [ 931.868871][ T74] fib6_nh_init+0x3d8/0x1580 [ 931.868871][ T74] ip6_route_info_create+0xf18/0x17d0 [ 931.868871][ T74] ip6_route_add+0x1c/0x140 [ 931.868871][ T74] addrconf_prefix_route+0x2a6/0x430 [ 931.868871][ T74] inet6_addr_add+0x4f8/0xa40 [ 931.868871][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 931.868871][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 931.868871][ T74] netlink_rcv_skb+0x130/0x360 [ 931.868871][ T74] netlink_unicast+0x449/0x710 [ 931.868871][ T74] netlink_sendmsg+0x723/0xbe0 [ 931.868871][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 931.868871][ T74] ___sys_sendmsg+0xee/0x170 [ 931.868871][ T74] __sys_sendmsg+0xcd/0x170 [ 931.868871][ T74] do_syscall_64+0xc6/0x1e0 [ 931.868871][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 931.868871][ T74] [ 931.871910][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 931.871910][ T74] netdev_get_by_index+0x5e/0x80 [ 931.871910][ T74] fib6_nh_init+0x3d8/0x1580 [ 931.871910][ T74] ip6_route_info_create+0xf18/0x17d0 [ 931.871910][ T74] addrconf_f6i_alloc+0x315/0x560 [ 931.871910][ T74] ipv6_add_addr+0x411/0x2000 [ 931.871910][ T74] inet6_addr_add+0x30e/0xa40 [ 931.871910][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 931.871910][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 931.871910][ T74] netlink_rcv_skb+0x130/0x360 [ 931.871910][ T74] netlink_unicast+0x449/0x710 [ 931.871910][ T74] netlink_sendmsg+0x723/0xbe0 [ 931.871910][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 931.871910][ T74] ___sys_sendmsg+0xee/0x170 [ 931.871910][ T74] __sys_sendmsg+0xcd/0x170 [ 931.871910][ T74] do_syscall_64+0xc6/0x1e0 [ 931.871910][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 931.871910][ T74] [ 931.875568][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 931.875568][ T74] netdev_get_by_index+0x5e/0x80 [ 931.875568][ T74] fib6_nh_init+0x3d8/0x1580 [ 931.875568][ T74] ip6_route_info_create+0xf18/0x17d0 [ 931.875568][ T74] ip6_route_add+0x1c/0x140 [ 931.875568][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 931.875568][ T74] addrconf_add_dev+0xe2/0x170 [ 931.875568][ T74] inet6_addr_add+0x12f/0xa40 [ 931.875568][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 931.875568][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 931.875568][ T74] netlink_rcv_skb+0x130/0x360 [ 931.875568][ T74] netlink_unicast+0x449/0x710 [ 931.875568][ T74] netlink_sendmsg+0x723/0xbe0 [ 931.875568][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 931.875568][ T74] ___sys_sendmsg+0xee/0x170 [ 931.875568][ T74] __sys_sendmsg+0xcd/0x170 [ 931.875568][ T74] do_syscall_64+0xc6/0x1e0 [ 931.875568][ T74] [ 931.879515][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 931.879515][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 931.879515][ T74] ipv6_find_idev+0x102/0x170 [ 931.879515][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 931.879515][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 931.879515][ T74] netlink_rcv_skb+0x130/0x360 [ 931.879515][ T74] netlink_unicast+0x449/0x710 [ 931.879515][ T74] netlink_sendmsg+0x723/0xbe0 [ 931.879515][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 931.879515][ T74] ___sys_sendmsg+0xee/0x170 [ 931.879515][ T74] __sys_sendmsg+0xcd/0x170 [ 931.879515][ T74] do_syscall_64+0xc6/0x1e0 [ 931.879515][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 931.879515][ T74] [ 931.882797][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 931.882797][ T74] neigh_parms_alloc+0x1e5/0x510 [ 931.882797][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 931.882797][ T74] ipv6_find_idev+0x102/0x170 [ 931.882797][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 931.882797][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 931.882797][ T74] netlink_rcv_skb+0x130/0x360 [ 931.882797][ T74] netlink_unicast+0x449/0x710 [ 931.882797][ T74] netlink_sendmsg+0x723/0xbe0 [ 931.882797][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 931.882797][ T74] ___sys_sendmsg+0xee/0x170 [ 931.882797][ T74] __sys_sendmsg+0xcd/0x170 [ 931.882797][ T74] do_syscall_64+0xc6/0x1e0 [ 931.882797][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 931.882797][ T74] [ 931.886065][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 931.886529][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 931.886529][ T74] dst_init+0x84/0x4a0 [ 931.886529][ T74] dst_alloc+0x97/0x150 [ 931.886529][ T74] ip6_dst_alloc+0x23/0x90 [ 931.886529][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 931.886529][ T74] ip6_pol_route+0x56f/0x840 [ 931.886529][ T74] fib6_rule_lookup+0x456/0x630 [ 931.886529][ T74] ip6_route_input+0x59c/0xa50 [ 931.886529][ T74] ipv6_rcv+0x397/0x810 [ 931.886529][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 931.886529][ T74] process_backlog+0x101/0x620 [ 931.886529][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 931.886529][ T74] net_rx_action+0x495/0xbe0 [ 931.886529][ T74] __do_softirq+0x1b5/0x7f6 [ 931.886529][ T74] [ 931.890188][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 931.890188][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 931.890188][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 931.890188][ T74] fib6_nh_init+0xa22/0x1580 [ 931.890188][ T74] ip6_route_info_create+0xf18/0x17d0 [ 931.890188][ T74] ip6_route_add+0x1c/0x140 [ 931.890188][ T74] inet6_rtm_newroute+0x104/0x110 [ 931.890188][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 931.890188][ T74] netlink_rcv_skb+0x130/0x360 [ 931.890188][ T74] netlink_unicast+0x449/0x710 [ 931.890188][ T74] netlink_sendmsg+0x723/0xbe0 [ 931.890188][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 931.890188][ T74] ___sys_sendmsg+0xee/0x170 [ 931.890188][ T74] __sys_sendmsg+0xcd/0x170 [ 931.890188][ T74] do_syscall_64+0xc6/0x1e0 [ 931.890188][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 931.890188][ T74] [ 931.893765][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 931.893765][ T74] netdev_get_by_index+0x5e/0x80 [ 931.893765][ T74] fib6_nh_init+0x3d8/0x1580 [ 931.893765][ T74] ip6_route_info_create+0xf18/0x17d0 [ 931.893765][ T74] addrconf_f6i_alloc+0x265/0x560 [ 931.893765][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 931.893765][ T74] addrconf_join_anycast+0x1c0/0x220 [ 931.893765][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 931.893765][ T74] addrconf_dad_completed+0x12b/0xe20 [ 931.893765][ T74] addrconf_dad_begin+0x310/0x670 [ 931.893765][ T74] addrconf_dad_work+0x10b/0xab0 [ 931.893765][ T74] process_one_work+0x84d/0x18a0 [ 931.893765][ T74] worker_thread+0x587/0xd30 [ 931.893765][ T74] kthread+0x28a/0x350 [ 931.893765][ T74] ret_from_fork+0x31/0x70 [ 931.893765][ T74] ret_from_fork_asm+0x1a/0x30 [ 931.893765][ T74] [ 931.897813][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 931.897813][ T74] netdev_get_by_index+0x5e/0x80 [ 931.897813][ T74] fib6_nh_init+0x3d8/0x1580 [ 931.897813][ T74] ip6_route_info_create+0xf18/0x17d0 [ 931.897813][ T74] ip6_route_add+0x1c/0x140 [ 931.897813][ T74] addrconf_prefix_route+0x2a6/0x430 [ 931.897813][ T74] inet6_addr_add+0x4f8/0xa40 [ 931.897813][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 931.897813][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 931.897813][ T74] netlink_rcv_skb+0x130/0x360 [ 931.897813][ T74] netlink_unicast+0x449/0x710 [ 931.897813][ T74] netlink_sendmsg+0x723/0xbe0 [ 931.897813][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 931.897813][ T74] ___sys_sendmsg+0xee/0x170 [ 931.897813][ T74] __sys_sendmsg+0xcd/0x170 [ 931.897813][ T74] do_syscall_64+0xc6/0x1e0 [ 931.897813][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 931.897813][ T74] [ 931.901960][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 931.901960][ T74] netdev_get_by_index+0x5e/0x80 [ 931.901960][ T74] fib6_nh_init+0x3d8/0x1580 [ 931.901960][ T74] ip6_route_info_create+0xf18/0x17d0 [ 931.901960][ T74] addrconf_f6i_alloc+0x315/0x560 [ 931.901960][ T74] ipv6_add_addr+0x411/0x2000 [ 931.901960][ T74] inet6_addr_add+0x30e/0xa40 [ 931.901960][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 931.901960][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 931.901960][ T74] netlink_rcv_skb+0x130/0x360 [ 931.901960][ T74] netlink_unicast+0x449/0x710 [ 931.901960][ T74] netlink_sendmsg+0x723/0xbe0 [ 931.901960][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 931.901960][ T74] ___sys_sendmsg+0xee/0x170 [ 931.901960][ T74] __sys_sendmsg+0xcd/0x170 [ 931.901960][ T74] do_syscall_64+0xc6/0x1e0 [ 931.901960][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 931.901960][ T74] [ 931.906030][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 931.906030][ T74] netdev_get_by_index+0x5e/0x80 [ 931.906030][ T74] fib6_nh_init+0x3d8/0x1580 [ 931.906030][ T74] ip6_route_info_create+0xf18/0x17d0 [ 931.906030][ T74] ip6_route_add+0x1c/0x140 [ 931.906030][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 931.906030][ T74] addrconf_add_dev+0xe2/0x170 [ 931.906030][ T74] inet6_addr_add+0x12f/0xa40 [ 931.906030][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 931.906030][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 931.906030][ T74] netlink_rcv_skb+0x130/0x360 [ 931.906030][ T74] netlink_unicast+0x449/0x710 [ 931.906030][ T74] netlink_sendmsg+0x723/0xbe0 [ 931.906030][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 931.906030][ T74] ___sys_sendmsg+0xee/0x170 [ 931.906030][ T74] __sys_sendmsg+0xcd/0x170 [ 931.906030][ T74] do_syscall_64+0xc6/0x1e0 [ 931.906030][ T74] [ 931.910099][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 931.910099][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 931.910099][ T74] ipv6_find_idev+0x102/0x170 [ 931.910099][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 931.910099][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 931.910099][ T74] netlink_rcv_skb+0x130/0x360 [ 931.910099][ T74] netlink_unicast+0x449/0x710 [ 931.910099][ T74] netlink_sendmsg+0x723/0xbe0 [ 931.910099][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 931.910099][ T74] ___sys_sendmsg+0xee/0x170 [ 931.910099][ T74] __sys_sendmsg+0xcd/0x170 [ 931.910099][ T74] do_syscall_64+0xc6/0x1e0 [ 931.910099][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 931.910099][ T74] [ 931.913231][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 931.913231][ T74] neigh_parms_alloc+0x1e5/0x510 [ 931.913231][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 931.913231][ T74] ipv6_find_idev+0x102/0x170 [ 931.913231][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 931.913231][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 931.913231][ T74] netlink_rcv_skb+0x130/0x360 [ 931.913231][ T74] netlink_unicast+0x449/0x710 [ 931.913231][ T74] netlink_sendmsg+0x723/0xbe0 [ 931.913231][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 931.913231][ T74] ___sys_sendmsg+0xee/0x170 [ 931.913231][ T74] __sys_sendmsg+0xcd/0x170 [ 931.913231][ T74] do_syscall_64+0xc6/0x1e0 [ 931.913231][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 931.913231][ T74] [ 931.916730][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 931.917975][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 931.917975][ T74] netdev_get_by_index+0x5e/0x80 [ 931.917975][ T74] fib6_nh_init+0x3d8/0x1580 [ 931.917975][ T74] ip6_route_info_create+0xf18/0x17d0 [ 931.917975][ T74] ip6_route_add+0x1c/0x140 [ 931.917975][ T74] addrconf_prefix_route+0x2a6/0x430 [ 931.917975][ T74] inet6_addr_add+0x4f8/0xa40 [ 931.917975][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 931.917975][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 931.917975][ T74] netlink_rcv_skb+0x130/0x360 [ 931.917975][ T74] netlink_unicast+0x449/0x710 [ 931.917975][ T74] netlink_sendmsg+0x723/0xbe0 [ 931.917975][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 931.917975][ T74] ___sys_sendmsg+0xee/0x170 [ 931.917975][ T74] __sys_sendmsg+0xcd/0x170 [ 931.917975][ T74] do_syscall_64+0xc6/0x1e0 [ 931.917975][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 931.917975][ T74] [ 931.920361][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 931.920361][ T74] netdev_get_by_index+0x5e/0x80 [ 931.920361][ T74] fib6_nh_init+0x3d8/0x1580 [ 931.920361][ T74] ip6_route_info_create+0xf18/0x17d0 [ 931.920361][ T74] addrconf_f6i_alloc+0x315/0x560 [ 931.920361][ T74] ipv6_add_addr+0x411/0x2000 [ 931.920361][ T74] inet6_addr_add+0x30e/0xa40 [ 931.920361][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 931.920361][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 931.920361][ T74] netlink_rcv_skb+0x130/0x360 [ 931.920361][ T74] netlink_unicast+0x449/0x710 [ 931.920361][ T74] netlink_sendmsg+0x723/0xbe0 [ 931.920361][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 931.920361][ T74] ___sys_sendmsg+0xee/0x170 [ 931.920361][ T74] __sys_sendmsg+0xcd/0x170 [ 931.920361][ T74] do_syscall_64+0xc6/0x1e0 [ 931.920361][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 931.920361][ T74] [ 931.923125][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 931.923125][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 931.923125][ T74] ipv6_find_idev+0x102/0x170 [ 931.923125][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 931.923125][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 931.923125][ T74] netlink_rcv_skb+0x130/0x360 [ 931.923125][ T74] netlink_unicast+0x449/0x710 [ 931.923125][ T74] netlink_sendmsg+0x723/0xbe0 [ 931.923125][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 931.923125][ T74] ___sys_sendmsg+0xee/0x170 [ 931.923125][ T74] __sys_sendmsg+0xcd/0x170 [ 931.923125][ T74] do_syscall_64+0xc6/0x1e0 [ 931.923125][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 931.923125][ T74] [ 931.925008][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 931.925008][ T74] neigh_parms_alloc+0x1e5/0x510 [ 931.925008][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 931.925008][ T74] ipv6_find_idev+0x102/0x170 [ 931.925008][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 931.925008][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 931.925008][ T74] netlink_rcv_skb+0x130/0x360 [ 931.925008][ T74] netlink_unicast+0x449/0x710 [ 931.925008][ T74] netlink_sendmsg+0x723/0xbe0 [ 931.925008][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 931.925008][ T74] ___sys_sendmsg+0xee/0x170 [ 931.925008][ T74] __sys_sendmsg+0xcd/0x170 [ 931.925008][ T74] do_syscall_64+0xc6/0x1e0 [ 931.925008][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 931.925008][ T74] [ 942.016866][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 942.017304][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 942.017304][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 942.017304][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 942.017304][ T74] fib6_nh_init+0xa22/0x1580 [ 942.017304][ T74] ip6_route_info_create+0xf18/0x17d0 [ 942.017304][ T74] ip6_route_add+0x1c/0x140 [ 942.017304][ T74] inet6_rtm_newroute+0x104/0x110 [ 942.017304][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 942.017304][ T74] netlink_rcv_skb+0x130/0x360 [ 942.017304][ T74] netlink_unicast+0x449/0x710 [ 942.017304][ T74] netlink_sendmsg+0x723/0xbe0 [ 942.017304][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 942.017304][ T74] ___sys_sendmsg+0xee/0x170 [ 942.017304][ T74] __sys_sendmsg+0xcd/0x170 [ 942.017304][ T74] do_syscall_64+0xc6/0x1e0 [ 942.017304][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 942.017304][ T74] [ 942.019296][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 942.019296][ T74] netdev_get_by_index+0x5e/0x80 [ 942.019296][ T74] fib6_nh_init+0x3d8/0x1580 [ 942.019296][ T74] ip6_route_info_create+0xf18/0x17d0 [ 942.019296][ T74] addrconf_f6i_alloc+0x265/0x560 [ 942.019296][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 942.019296][ T74] addrconf_join_anycast+0x1c0/0x220 [ 942.019296][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 942.019296][ T74] addrconf_dad_completed+0x12b/0xe20 [ 942.019296][ T74] addrconf_dad_begin+0x310/0x670 [ 942.019296][ T74] addrconf_dad_work+0x10b/0xab0 [ 942.019296][ T74] process_one_work+0x84d/0x18a0 [ 942.019296][ T74] worker_thread+0x587/0xd30 [ 942.019296][ T74] kthread+0x28a/0x350 [ 942.019296][ T74] ret_from_fork+0x31/0x70 [ 942.019296][ T74] ret_from_fork_asm+0x1a/0x30 [ 942.019296][ T74] [ 942.021300][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 942.021300][ T74] netdev_get_by_index+0x5e/0x80 [ 942.021300][ T74] fib6_nh_init+0x3d8/0x1580 [ 942.021300][ T74] ip6_route_info_create+0xf18/0x17d0 [ 942.021300][ T74] ip6_route_add+0x1c/0x140 [ 942.021300][ T74] addrconf_prefix_route+0x2a6/0x430 [ 942.021300][ T74] inet6_addr_add+0x4f8/0xa40 [ 942.021300][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 942.021300][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 942.021300][ T74] netlink_rcv_skb+0x130/0x360 [ 942.021300][ T74] netlink_unicast+0x449/0x710 [ 942.021300][ T74] netlink_sendmsg+0x723/0xbe0 [ 942.021300][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 942.021300][ T74] ___sys_sendmsg+0xee/0x170 [ 942.021300][ T74] __sys_sendmsg+0xcd/0x170 [ 942.021300][ T74] do_syscall_64+0xc6/0x1e0 [ 942.021300][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 942.021300][ T74] [ 942.023439][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 942.023439][ T74] netdev_get_by_index+0x5e/0x80 [ 942.023439][ T74] fib6_nh_init+0x3d8/0x1580 [ 942.023439][ T74] ip6_route_info_create+0xf18/0x17d0 [ 942.023439][ T74] addrconf_f6i_alloc+0x315/0x560 [ 942.023439][ T74] ipv6_add_addr+0x411/0x2000 [ 942.023439][ T74] inet6_addr_add+0x30e/0xa40 [ 942.023439][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 942.023439][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 942.023439][ T74] netlink_rcv_skb+0x130/0x360 [ 942.023439][ T74] netlink_unicast+0x449/0x710 [ 942.023439][ T74] netlink_sendmsg+0x723/0xbe0 [ 942.023439][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 942.023439][ T74] ___sys_sendmsg+0xee/0x170 [ 942.023439][ T74] __sys_sendmsg+0xcd/0x170 [ 942.023439][ T74] do_syscall_64+0xc6/0x1e0 [ 942.023439][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 942.023439][ T74] [ 942.025535][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 942.025535][ T74] netdev_get_by_index+0x5e/0x80 [ 942.025535][ T74] fib6_nh_init+0x3d8/0x1580 [ 942.025535][ T74] ip6_route_info_create+0xf18/0x17d0 [ 942.025535][ T74] ip6_route_add+0x1c/0x140 [ 942.025535][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 942.025535][ T74] addrconf_add_dev+0xe2/0x170 [ 942.025535][ T74] inet6_addr_add+0x12f/0xa40 [ 942.025535][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 942.025535][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 942.025535][ T74] netlink_rcv_skb+0x130/0x360 [ 942.025535][ T74] netlink_unicast+0x449/0x710 [ 942.025535][ T74] netlink_sendmsg+0x723/0xbe0 [ 942.025535][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 942.025535][ T74] ___sys_sendmsg+0xee/0x170 [ 942.025535][ T74] __sys_sendmsg+0xcd/0x170 [ 942.025535][ T74] do_syscall_64+0xc6/0x1e0 [ 942.025535][ T74] [ 942.027948][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 942.027948][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 942.027948][ T74] ipv6_find_idev+0x102/0x170 [ 942.027948][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 942.027948][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 942.027948][ T74] netlink_rcv_skb+0x130/0x360 [ 942.027948][ T74] netlink_unicast+0x449/0x710 [ 942.027948][ T74] netlink_sendmsg+0x723/0xbe0 [ 942.027948][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 942.027948][ T74] ___sys_sendmsg+0xee/0x170 [ 942.027948][ T74] __sys_sendmsg+0xcd/0x170 [ 942.027948][ T74] do_syscall_64+0xc6/0x1e0 [ 942.027948][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 942.027948][ T74] [ 942.029764][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 942.029764][ T74] neigh_parms_alloc+0x1e5/0x510 [ 942.029764][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 942.029764][ T74] ipv6_find_idev+0x102/0x170 [ 942.029764][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 942.029764][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 942.029764][ T74] netlink_rcv_skb+0x130/0x360 [ 942.029764][ T74] netlink_unicast+0x449/0x710 [ 942.029764][ T74] netlink_sendmsg+0x723/0xbe0 [ 942.029764][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 942.029764][ T74] ___sys_sendmsg+0xee/0x170 [ 942.029764][ T74] __sys_sendmsg+0xcd/0x170 [ 942.029764][ T74] do_syscall_64+0xc6/0x1e0 [ 942.029764][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 942.029764][ T74] [ 942.031675][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 942.031993][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 942.031993][ T74] dst_init+0x84/0x4a0 [ 942.031993][ T74] dst_alloc+0x97/0x150 [ 942.031993][ T74] ip6_dst_alloc+0x23/0x90 [ 942.031993][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 942.031993][ T74] ip6_pol_route+0x56f/0x840 [ 942.031993][ T74] fib6_rule_lookup+0x456/0x630 [ 942.031993][ T74] ip6_route_input+0x59c/0xa50 [ 942.031993][ T74] ipv6_rcv+0x397/0x810 [ 942.031993][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 942.031993][ T74] process_backlog+0x101/0x620 [ 942.031993][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 942.031993][ T74] net_rx_action+0x495/0xbe0 [ 942.031993][ T74] __do_softirq+0x1b5/0x7f6 [ 942.031993][ T74] [ 942.033663][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 942.033663][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 942.033663][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 942.033663][ T74] fib6_nh_init+0xa22/0x1580 [ 942.033663][ T74] ip6_route_info_create+0xf18/0x17d0 [ 942.033663][ T74] ip6_route_add+0x1c/0x140 [ 942.033663][ T74] inet6_rtm_newroute+0x104/0x110 [ 942.033663][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 942.033663][ T74] netlink_rcv_skb+0x130/0x360 [ 942.033663][ T74] netlink_unicast+0x449/0x710 [ 942.033663][ T74] netlink_sendmsg+0x723/0xbe0 [ 942.033663][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 942.033663][ T74] ___sys_sendmsg+0xee/0x170 [ 942.033663][ T74] __sys_sendmsg+0xcd/0x170 [ 942.033663][ T74] do_syscall_64+0xc6/0x1e0 [ 942.033663][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 942.033663][ T74] [ 942.035593][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 942.035593][ T74] netdev_get_by_index+0x5e/0x80 [ 942.035593][ T74] fib6_nh_init+0x3d8/0x1580 [ 942.035593][ T74] ip6_route_info_create+0xf18/0x17d0 [ 942.035593][ T74] addrconf_f6i_alloc+0x265/0x560 [ 942.035593][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 942.035593][ T74] addrconf_join_anycast+0x1c0/0x220 [ 942.035593][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 942.035593][ T74] addrconf_dad_completed+0x12b/0xe20 [ 942.035593][ T74] addrconf_dad_begin+0x310/0x670 [ 942.035593][ T74] addrconf_dad_work+0x10b/0xab0 [ 942.035593][ T74] process_one_work+0x84d/0x18a0 [ 942.035593][ T74] worker_thread+0x587/0xd30 [ 942.035593][ T74] kthread+0x28a/0x350 [ 942.035593][ T74] ret_from_fork+0x31/0x70 [ 942.035593][ T74] ret_from_fork_asm+0x1a/0x30 [ 942.035593][ T74] [ 942.037557][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 942.037557][ T74] netdev_get_by_index+0x5e/0x80 [ 942.037557][ T74] fib6_nh_init+0x3d8/0x1580 [ 942.037557][ T74] ip6_route_info_create+0xf18/0x17d0 [ 942.037557][ T74] ip6_route_add+0x1c/0x140 [ 942.037557][ T74] addrconf_prefix_route+0x2a6/0x430 [ 942.037557][ T74] inet6_addr_add+0x4f8/0xa40 [ 942.037557][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 942.037557][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 942.037557][ T74] netlink_rcv_skb+0x130/0x360 [ 942.037557][ T74] netlink_unicast+0x449/0x710 [ 942.037557][ T74] netlink_sendmsg+0x723/0xbe0 [ 942.037557][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 942.037557][ T74] ___sys_sendmsg+0xee/0x170 [ 942.037557][ T74] __sys_sendmsg+0xcd/0x170 [ 942.037557][ T74] do_syscall_64+0xc6/0x1e0 [ 942.037557][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 942.037557][ T74] [ 942.039738][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 942.039738][ T74] netdev_get_by_index+0x5e/0x80 [ 942.039738][ T74] fib6_nh_init+0x3d8/0x1580 [ 942.039738][ T74] ip6_route_info_create+0xf18/0x17d0 [ 942.039738][ T74] addrconf_f6i_alloc+0x315/0x560 [ 942.039738][ T74] ipv6_add_addr+0x411/0x2000 [ 942.039738][ T74] inet6_addr_add+0x30e/0xa40 [ 942.039738][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 942.039738][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 942.039738][ T74] netlink_rcv_skb+0x130/0x360 [ 942.039738][ T74] netlink_unicast+0x449/0x710 [ 942.039738][ T74] netlink_sendmsg+0x723/0xbe0 [ 942.039738][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 942.039738][ T74] ___sys_sendmsg+0xee/0x170 [ 942.039738][ T74] __sys_sendmsg+0xcd/0x170 [ 942.039738][ T74] do_syscall_64+0xc6/0x1e0 [ 942.039738][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 942.039738][ T74] [ 942.042285][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 942.042285][ T74] netdev_get_by_index+0x5e/0x80 [ 942.042285][ T74] fib6_nh_init+0x3d8/0x1580 [ 942.042285][ T74] ip6_route_info_create+0xf18/0x17d0 [ 942.042285][ T74] ip6_route_add+0x1c/0x140 [ 942.042285][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 942.042285][ T74] addrconf_add_dev+0xe2/0x170 [ 942.042285][ T74] inet6_addr_add+0x12f/0xa40 [ 942.042285][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 942.042285][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 942.042285][ T74] netlink_rcv_skb+0x130/0x360 [ 942.042285][ T74] netlink_unicast+0x449/0x710 [ 942.042285][ T74] netlink_sendmsg+0x723/0xbe0 [ 942.042285][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 942.042285][ T74] ___sys_sendmsg+0xee/0x170 [ 942.042285][ T74] __sys_sendmsg+0xcd/0x170 [ 942.042285][ T74] do_syscall_64+0xc6/0x1e0 [ 942.042285][ T74] [ 942.044528][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 942.044528][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 942.044528][ T74] ipv6_find_idev+0x102/0x170 [ 942.044528][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 942.044528][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 942.044528][ T74] netlink_rcv_skb+0x130/0x360 [ 942.044528][ T74] netlink_unicast+0x449/0x710 [ 942.044528][ T74] netlink_sendmsg+0x723/0xbe0 [ 942.044528][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 942.044528][ T74] ___sys_sendmsg+0xee/0x170 [ 942.044528][ T74] __sys_sendmsg+0xcd/0x170 [ 942.044528][ T74] do_syscall_64+0xc6/0x1e0 [ 942.044528][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 942.044528][ T74] [ 942.046376][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 942.046376][ T74] neigh_parms_alloc+0x1e5/0x510 [ 942.046376][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 942.046376][ T74] ipv6_find_idev+0x102/0x170 [ 942.046376][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 942.046376][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 942.046376][ T74] netlink_rcv_skb+0x130/0x360 [ 942.046376][ T74] netlink_unicast+0x449/0x710 [ 942.046376][ T74] netlink_sendmsg+0x723/0xbe0 [ 942.046376][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 942.046376][ T74] ___sys_sendmsg+0xee/0x170 [ 942.046376][ T74] __sys_sendmsg+0xcd/0x170 [ 942.046376][ T74] do_syscall_64+0xc6/0x1e0 [ 942.046376][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 942.046376][ T74] [ 942.048376][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 942.048622][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 942.048622][ T74] netdev_get_by_index+0x5e/0x80 [ 942.048622][ T74] fib6_nh_init+0x3d8/0x1580 [ 942.048622][ T74] ip6_route_info_create+0xf18/0x17d0 [ 942.048622][ T74] ip6_route_add+0x1c/0x140 [ 942.048622][ T74] addrconf_prefix_route+0x2a6/0x430 [ 942.048622][ T74] inet6_addr_add+0x4f8/0xa40 [ 942.048622][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 942.048622][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 942.048622][ T74] netlink_rcv_skb+0x130/0x360 [ 942.048622][ T74] netlink_unicast+0x449/0x710 [ 942.048622][ T74] netlink_sendmsg+0x723/0xbe0 [ 942.048622][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 942.048622][ T74] ___sys_sendmsg+0xee/0x170 [ 942.048622][ T74] __sys_sendmsg+0xcd/0x170 [ 942.048622][ T74] do_syscall_64+0xc6/0x1e0 [ 942.048622][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 942.048622][ T74] [ 942.050753][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 942.050753][ T74] netdev_get_by_index+0x5e/0x80 [ 942.050753][ T74] fib6_nh_init+0x3d8/0x1580 [ 942.050753][ T74] ip6_route_info_create+0xf18/0x17d0 [ 942.050753][ T74] addrconf_f6i_alloc+0x315/0x560 [ 942.050753][ T74] ipv6_add_addr+0x411/0x2000 [ 942.050753][ T74] inet6_addr_add+0x30e/0xa40 [ 942.050753][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 942.050753][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 942.050753][ T74] netlink_rcv_skb+0x130/0x360 [ 942.050753][ T74] netlink_unicast+0x449/0x710 [ 942.050753][ T74] netlink_sendmsg+0x723/0xbe0 [ 942.050753][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 942.050753][ T74] ___sys_sendmsg+0xee/0x170 [ 942.050753][ T74] __sys_sendmsg+0xcd/0x170 [ 942.050753][ T74] do_syscall_64+0xc6/0x1e0 [ 942.050753][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 942.050753][ T74] [ 942.052878][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 942.052878][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 942.052878][ T74] ipv6_find_idev+0x102/0x170 [ 942.052878][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 942.052878][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 942.052878][ T74] netlink_rcv_skb+0x130/0x360 [ 942.052878][ T74] netlink_unicast+0x449/0x710 [ 942.052878][ T74] netlink_sendmsg+0x723/0xbe0 [ 942.052878][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 942.052878][ T74] ___sys_sendmsg+0xee/0x170 [ 942.052878][ T74] __sys_sendmsg+0xcd/0x170 [ 942.052878][ T74] do_syscall_64+0xc6/0x1e0 [ 942.052878][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 942.052878][ T74] [ 942.054670][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 942.054670][ T74] neigh_parms_alloc+0x1e5/0x510 [ 942.054670][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 942.054670][ T74] ipv6_find_idev+0x102/0x170 [ 942.054670][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 942.054670][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 942.054670][ T74] netlink_rcv_skb+0x130/0x360 [ 942.054670][ T74] netlink_unicast+0x449/0x710 [ 942.054670][ T74] netlink_sendmsg+0x723/0xbe0 [ 942.054670][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 942.054670][ T74] ___sys_sendmsg+0xee/0x170 [ 942.054670][ T74] __sys_sendmsg+0xcd/0x170 [ 942.054670][ T74] do_syscall_64+0xc6/0x1e0 [ 942.054670][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 942.054670][ T74] [ 952.159958][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 952.160397][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 952.160397][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 952.160397][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 952.160397][ T74] fib6_nh_init+0xa22/0x1580 [ 952.160397][ T74] ip6_route_info_create+0xf18/0x17d0 [ 952.160397][ T74] ip6_route_add+0x1c/0x140 [ 952.160397][ T74] inet6_rtm_newroute+0x104/0x110 [ 952.160397][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 952.160397][ T74] netlink_rcv_skb+0x130/0x360 [ 952.160397][ T74] netlink_unicast+0x449/0x710 [ 952.160397][ T74] netlink_sendmsg+0x723/0xbe0 [ 952.160397][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 952.160397][ T74] ___sys_sendmsg+0xee/0x170 [ 952.160397][ T74] __sys_sendmsg+0xcd/0x170 [ 952.160397][ T74] do_syscall_64+0xc6/0x1e0 [ 952.160397][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 952.160397][ T74] [ 952.162437][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 952.162437][ T74] netdev_get_by_index+0x5e/0x80 [ 952.162437][ T74] fib6_nh_init+0x3d8/0x1580 [ 952.162437][ T74] ip6_route_info_create+0xf18/0x17d0 [ 952.162437][ T74] addrconf_f6i_alloc+0x265/0x560 [ 952.162437][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 952.162437][ T74] addrconf_join_anycast+0x1c0/0x220 [ 952.162437][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 952.162437][ T74] addrconf_dad_completed+0x12b/0xe20 [ 952.162437][ T74] addrconf_dad_begin+0x310/0x670 [ 952.162437][ T74] addrconf_dad_work+0x10b/0xab0 [ 952.162437][ T74] process_one_work+0x84d/0x18a0 [ 952.162437][ T74] worker_thread+0x587/0xd30 [ 952.162437][ T74] kthread+0x28a/0x350 [ 952.162437][ T74] ret_from_fork+0x31/0x70 [ 952.162437][ T74] ret_from_fork_asm+0x1a/0x30 [ 952.162437][ T74] [ 952.164461][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 952.164461][ T74] netdev_get_by_index+0x5e/0x80 [ 952.164461][ T74] fib6_nh_init+0x3d8/0x1580 [ 952.164461][ T74] ip6_route_info_create+0xf18/0x17d0 [ 952.164461][ T74] ip6_route_add+0x1c/0x140 [ 952.164461][ T74] addrconf_prefix_route+0x2a6/0x430 [ 952.164461][ T74] inet6_addr_add+0x4f8/0xa40 [ 952.164461][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 952.164461][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 952.164461][ T74] netlink_rcv_skb+0x130/0x360 [ 952.164461][ T74] netlink_unicast+0x449/0x710 [ 952.164461][ T74] netlink_sendmsg+0x723/0xbe0 [ 952.164461][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 952.164461][ T74] ___sys_sendmsg+0xee/0x170 [ 952.164461][ T74] __sys_sendmsg+0xcd/0x170 [ 952.164461][ T74] do_syscall_64+0xc6/0x1e0 [ 952.164461][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 952.164461][ T74] [ 952.166512][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 952.166512][ T74] netdev_get_by_index+0x5e/0x80 [ 952.166512][ T74] fib6_nh_init+0x3d8/0x1580 [ 952.166512][ T74] ip6_route_info_create+0xf18/0x17d0 [ 952.166512][ T74] addrconf_f6i_alloc+0x315/0x560 [ 952.166512][ T74] ipv6_add_addr+0x411/0x2000 [ 952.166512][ T74] inet6_addr_add+0x30e/0xa40 [ 952.166512][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 952.166512][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 952.166512][ T74] netlink_rcv_skb+0x130/0x360 [ 952.166512][ T74] netlink_unicast+0x449/0x710 [ 952.166512][ T74] netlink_sendmsg+0x723/0xbe0 [ 952.166512][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 952.166512][ T74] ___sys_sendmsg+0xee/0x170 [ 952.166512][ T74] __sys_sendmsg+0xcd/0x170 [ 952.166512][ T74] do_syscall_64+0xc6/0x1e0 [ 952.166512][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 952.166512][ T74] [ 952.168607][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 952.168607][ T74] netdev_get_by_index+0x5e/0x80 [ 952.168607][ T74] fib6_nh_init+0x3d8/0x1580 [ 952.168607][ T74] ip6_route_info_create+0xf18/0x17d0 [ 952.168607][ T74] ip6_route_add+0x1c/0x140 [ 952.168607][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 952.168607][ T74] addrconf_add_dev+0xe2/0x170 [ 952.168607][ T74] inet6_addr_add+0x12f/0xa40 [ 952.168607][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 952.168607][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 952.168607][ T74] netlink_rcv_skb+0x130/0x360 [ 952.168607][ T74] netlink_unicast+0x449/0x710 [ 952.168607][ T74] netlink_sendmsg+0x723/0xbe0 [ 952.168607][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 952.168607][ T74] ___sys_sendmsg+0xee/0x170 [ 952.168607][ T74] __sys_sendmsg+0xcd/0x170 [ 952.168607][ T74] do_syscall_64+0xc6/0x1e0 [ 952.168607][ T74] [ 952.170684][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 952.170684][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 952.170684][ T74] ipv6_find_idev+0x102/0x170 [ 952.170684][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 952.170684][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 952.170684][ T74] netlink_rcv_skb+0x130/0x360 [ 952.170684][ T74] netlink_unicast+0x449/0x710 [ 952.170684][ T74] netlink_sendmsg+0x723/0xbe0 [ 952.170684][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 952.170684][ T74] ___sys_sendmsg+0xee/0x170 [ 952.170684][ T74] __sys_sendmsg+0xcd/0x170 [ 952.170684][ T74] do_syscall_64+0xc6/0x1e0 [ 952.170684][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 952.170684][ T74] [ 952.172465][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 952.172465][ T74] neigh_parms_alloc+0x1e5/0x510 [ 952.172465][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 952.172465][ T74] ipv6_find_idev+0x102/0x170 [ 952.172465][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 952.172465][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 952.172465][ T74] netlink_rcv_skb+0x130/0x360 [ 952.172465][ T74] netlink_unicast+0x449/0x710 [ 952.172465][ T74] netlink_sendmsg+0x723/0xbe0 [ 952.172465][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 952.172465][ T74] ___sys_sendmsg+0xee/0x170 [ 952.172465][ T74] __sys_sendmsg+0xcd/0x170 [ 952.172465][ T74] do_syscall_64+0xc6/0x1e0 [ 952.172465][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 952.172465][ T74] [ 952.174508][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 952.174794][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 952.174794][ T74] dst_init+0x84/0x4a0 [ 952.174794][ T74] dst_alloc+0x97/0x150 [ 952.174794][ T74] ip6_dst_alloc+0x23/0x90 [ 952.174794][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 952.174794][ T74] ip6_pol_route+0x56f/0x840 [ 952.174794][ T74] fib6_rule_lookup+0x456/0x630 [ 952.174794][ T74] ip6_route_input+0x59c/0xa50 [ 952.174794][ T74] ipv6_rcv+0x397/0x810 [ 952.174794][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 952.174794][ T74] process_backlog+0x101/0x620 [ 952.174794][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 952.174794][ T74] net_rx_action+0x495/0xbe0 [ 952.174794][ T74] __do_softirq+0x1b5/0x7f6 [ 952.174794][ T74] [ 952.176699][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 952.176699][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 952.176699][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 952.176699][ T74] fib6_nh_init+0xa22/0x1580 [ 952.176699][ T74] ip6_route_info_create+0xf18/0x17d0 [ 952.176699][ T74] ip6_route_add+0x1c/0x140 [ 952.176699][ T74] inet6_rtm_newroute+0x104/0x110 [ 952.176699][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 952.176699][ T74] netlink_rcv_skb+0x130/0x360 [ 952.176699][ T74] netlink_unicast+0x449/0x710 [ 952.176699][ T74] netlink_sendmsg+0x723/0xbe0 [ 952.176699][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 952.176699][ T74] ___sys_sendmsg+0xee/0x170 [ 952.176699][ T74] __sys_sendmsg+0xcd/0x170 [ 952.176699][ T74] do_syscall_64+0xc6/0x1e0 [ 952.176699][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 952.176699][ T74] [ 952.178979][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 952.178979][ T74] netdev_get_by_index+0x5e/0x80 [ 952.178979][ T74] fib6_nh_init+0x3d8/0x1580 [ 952.178979][ T74] ip6_route_info_create+0xf18/0x17d0 [ 952.178979][ T74] addrconf_f6i_alloc+0x265/0x560 [ 952.178979][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 952.178979][ T74] addrconf_join_anycast+0x1c0/0x220 [ 952.178979][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 952.178979][ T74] addrconf_dad_completed+0x12b/0xe20 [ 952.178979][ T74] addrconf_dad_begin+0x310/0x670 [ 952.178979][ T74] addrconf_dad_work+0x10b/0xab0 [ 952.178979][ T74] process_one_work+0x84d/0x18a0 [ 952.178979][ T74] worker_thread+0x587/0xd30 [ 952.178979][ T74] kthread+0x28a/0x350 [ 952.178979][ T74] ret_from_fork+0x31/0x70 [ 952.178979][ T74] ret_from_fork_asm+0x1a/0x30 [ 952.178979][ T74] [ 952.181277][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 952.181277][ T74] netdev_get_by_index+0x5e/0x80 [ 952.181277][ T74] fib6_nh_init+0x3d8/0x1580 [ 952.181277][ T74] ip6_route_info_create+0xf18/0x17d0 [ 952.181277][ T74] ip6_route_add+0x1c/0x140 [ 952.181277][ T74] addrconf_prefix_route+0x2a6/0x430 [ 952.181277][ T74] inet6_addr_add+0x4f8/0xa40 [ 952.181277][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 952.181277][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 952.181277][ T74] netlink_rcv_skb+0x130/0x360 [ 952.181277][ T74] netlink_unicast+0x449/0x710 [ 952.181277][ T74] netlink_sendmsg+0x723/0xbe0 [ 952.181277][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 952.181277][ T74] ___sys_sendmsg+0xee/0x170 [ 952.181277][ T74] __sys_sendmsg+0xcd/0x170 [ 952.181277][ T74] do_syscall_64+0xc6/0x1e0 [ 952.181277][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 952.181277][ T74] [ 952.183495][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 952.183495][ T74] netdev_get_by_index+0x5e/0x80 [ 952.183495][ T74] fib6_nh_init+0x3d8/0x1580 [ 952.183495][ T74] ip6_route_info_create+0xf18/0x17d0 [ 952.183495][ T74] addrconf_f6i_alloc+0x315/0x560 [ 952.183495][ T74] ipv6_add_addr+0x411/0x2000 [ 952.183495][ T74] inet6_addr_add+0x30e/0xa40 [ 952.183495][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 952.183495][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 952.183495][ T74] netlink_rcv_skb+0x130/0x360 [ 952.183495][ T74] netlink_unicast+0x449/0x710 [ 952.183495][ T74] netlink_sendmsg+0x723/0xbe0 [ 952.183495][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 952.183495][ T74] ___sys_sendmsg+0xee/0x170 [ 952.183495][ T74] __sys_sendmsg+0xcd/0x170 [ 952.183495][ T74] do_syscall_64+0xc6/0x1e0 [ 952.183495][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 952.183495][ T74] [ 952.185743][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 952.185743][ T74] netdev_get_by_index+0x5e/0x80 [ 952.185743][ T74] fib6_nh_init+0x3d8/0x1580 [ 952.185743][ T74] ip6_route_info_create+0xf18/0x17d0 [ 952.185743][ T74] ip6_route_add+0x1c/0x140 [ 952.185743][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 952.185743][ T74] addrconf_add_dev+0xe2/0x170 [ 952.185743][ T74] inet6_addr_add+0x12f/0xa40 [ 952.185743][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 952.185743][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 952.185743][ T74] netlink_rcv_skb+0x130/0x360 [ 952.185743][ T74] netlink_unicast+0x449/0x710 [ 952.185743][ T74] netlink_sendmsg+0x723/0xbe0 [ 952.185743][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 952.185743][ T74] ___sys_sendmsg+0xee/0x170 [ 952.185743][ T74] __sys_sendmsg+0xcd/0x170 [ 952.185743][ T74] do_syscall_64+0xc6/0x1e0 [ 952.185743][ T74] [ 952.188004][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 952.188004][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 952.188004][ T74] ipv6_find_idev+0x102/0x170 [ 952.188004][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 952.188004][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 952.188004][ T74] netlink_rcv_skb+0x130/0x360 [ 952.188004][ T74] netlink_unicast+0x449/0x710 [ 952.188004][ T74] netlink_sendmsg+0x723/0xbe0 [ 952.188004][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 952.188004][ T74] ___sys_sendmsg+0xee/0x170 [ 952.188004][ T74] __sys_sendmsg+0xcd/0x170 [ 952.188004][ T74] do_syscall_64+0xc6/0x1e0 [ 952.188004][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 952.188004][ T74] [ 952.189803][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 952.189803][ T74] neigh_parms_alloc+0x1e5/0x510 [ 952.189803][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 952.189803][ T74] ipv6_find_idev+0x102/0x170 [ 952.189803][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 952.189803][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 952.189803][ T74] netlink_rcv_skb+0x130/0x360 [ 952.189803][ T74] netlink_unicast+0x449/0x710 [ 952.189803][ T74] netlink_sendmsg+0x723/0xbe0 [ 952.189803][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 952.189803][ T74] ___sys_sendmsg+0xee/0x170 [ 952.189803][ T74] __sys_sendmsg+0xcd/0x170 [ 952.189803][ T74] do_syscall_64+0xc6/0x1e0 [ 952.189803][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 952.189803][ T74] [ 952.191764][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 952.192035][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 952.192035][ T74] netdev_get_by_index+0x5e/0x80 [ 952.192035][ T74] fib6_nh_init+0x3d8/0x1580 [ 952.192035][ T74] ip6_route_info_create+0xf18/0x17d0 [ 952.192035][ T74] ip6_route_add+0x1c/0x140 [ 952.192035][ T74] addrconf_prefix_route+0x2a6/0x430 [ 952.192035][ T74] inet6_addr_add+0x4f8/0xa40 [ 952.192035][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 952.192035][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 952.192035][ T74] netlink_rcv_skb+0x130/0x360 [ 952.192035][ T74] netlink_unicast+0x449/0x710 [ 952.192035][ T74] netlink_sendmsg+0x723/0xbe0 [ 952.192035][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 952.192035][ T74] ___sys_sendmsg+0xee/0x170 [ 952.192035][ T74] __sys_sendmsg+0xcd/0x170 [ 952.192035][ T74] do_syscall_64+0xc6/0x1e0 [ 952.192035][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 952.192035][ T74] [ 952.194103][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 952.194103][ T74] netdev_get_by_index+0x5e/0x80 [ 952.194103][ T74] fib6_nh_init+0x3d8/0x1580 [ 952.194103][ T74] ip6_route_info_create+0xf18/0x17d0 [ 952.194103][ T74] addrconf_f6i_alloc+0x315/0x560 [ 952.194103][ T74] ipv6_add_addr+0x411/0x2000 [ 952.194103][ T74] inet6_addr_add+0x30e/0xa40 [ 952.194103][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 952.194103][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 952.194103][ T74] netlink_rcv_skb+0x130/0x360 [ 952.194103][ T74] netlink_unicast+0x449/0x710 [ 952.194103][ T74] netlink_sendmsg+0x723/0xbe0 [ 952.194103][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 952.194103][ T74] ___sys_sendmsg+0xee/0x170 [ 952.194103][ T74] __sys_sendmsg+0xcd/0x170 [ 952.194103][ T74] do_syscall_64+0xc6/0x1e0 [ 952.194103][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 952.194103][ T74] [ 952.196420][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 952.196420][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 952.196420][ T74] ipv6_find_idev+0x102/0x170 [ 952.196420][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 952.196420][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 952.196420][ T74] netlink_rcv_skb+0x130/0x360 [ 952.196420][ T74] netlink_unicast+0x449/0x710 [ 952.196420][ T74] netlink_sendmsg+0x723/0xbe0 [ 952.196420][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 952.196420][ T74] ___sys_sendmsg+0xee/0x170 [ 952.196420][ T74] __sys_sendmsg+0xcd/0x170 [ 952.196420][ T74] do_syscall_64+0xc6/0x1e0 [ 952.196420][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 952.196420][ T74] [ 952.198222][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 952.198222][ T74] neigh_parms_alloc+0x1e5/0x510 [ 952.198222][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 952.198222][ T74] ipv6_find_idev+0x102/0x170 [ 952.198222][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 952.198222][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 952.198222][ T74] netlink_rcv_skb+0x130/0x360 [ 952.198222][ T74] netlink_unicast+0x449/0x710 [ 952.198222][ T74] netlink_sendmsg+0x723/0xbe0 [ 952.198222][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 952.198222][ T74] ___sys_sendmsg+0xee/0x170 [ 952.198222][ T74] __sys_sendmsg+0xcd/0x170 [ 952.198222][ T74] do_syscall_64+0xc6/0x1e0 [ 952.198222][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 952.198222][ T74] [ 962.320863][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 962.321291][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 962.321291][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 962.321291][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 962.321291][ T74] fib6_nh_init+0xa22/0x1580 [ 962.321291][ T74] ip6_route_info_create+0xf18/0x17d0 [ 962.321291][ T74] ip6_route_add+0x1c/0x140 [ 962.321291][ T74] inet6_rtm_newroute+0x104/0x110 [ 962.321291][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 962.321291][ T74] netlink_rcv_skb+0x130/0x360 [ 962.321291][ T74] netlink_unicast+0x449/0x710 [ 962.321291][ T74] netlink_sendmsg+0x723/0xbe0 [ 962.321291][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 962.321291][ T74] ___sys_sendmsg+0xee/0x170 [ 962.321291][ T74] __sys_sendmsg+0xcd/0x170 [ 962.321291][ T74] do_syscall_64+0xc6/0x1e0 [ 962.321291][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 962.321291][ T74] [ 962.323309][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 962.323309][ T74] netdev_get_by_index+0x5e/0x80 [ 962.323309][ T74] fib6_nh_init+0x3d8/0x1580 [ 962.323309][ T74] ip6_route_info_create+0xf18/0x17d0 [ 962.323309][ T74] addrconf_f6i_alloc+0x265/0x560 [ 962.323309][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 962.323309][ T74] addrconf_join_anycast+0x1c0/0x220 [ 962.323309][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 962.323309][ T74] addrconf_dad_completed+0x12b/0xe20 [ 962.323309][ T74] addrconf_dad_begin+0x310/0x670 [ 962.323309][ T74] addrconf_dad_work+0x10b/0xab0 [ 962.323309][ T74] process_one_work+0x84d/0x18a0 [ 962.323309][ T74] worker_thread+0x587/0xd30 [ 962.323309][ T74] kthread+0x28a/0x350 [ 962.323309][ T74] ret_from_fork+0x31/0x70 [ 962.323309][ T74] ret_from_fork_asm+0x1a/0x30 [ 962.323309][ T74] [ 962.325351][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 962.325351][ T74] netdev_get_by_index+0x5e/0x80 [ 962.325351][ T74] fib6_nh_init+0x3d8/0x1580 [ 962.325351][ T74] ip6_route_info_create+0xf18/0x17d0 [ 962.325351][ T74] ip6_route_add+0x1c/0x140 [ 962.325351][ T74] addrconf_prefix_route+0x2a6/0x430 [ 962.325351][ T74] inet6_addr_add+0x4f8/0xa40 [ 962.325351][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 962.325351][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 962.325351][ T74] netlink_rcv_skb+0x130/0x360 [ 962.325351][ T74] netlink_unicast+0x449/0x710 [ 962.325351][ T74] netlink_sendmsg+0x723/0xbe0 [ 962.325351][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 962.325351][ T74] ___sys_sendmsg+0xee/0x170 [ 962.325351][ T74] __sys_sendmsg+0xcd/0x170 [ 962.325351][ T74] do_syscall_64+0xc6/0x1e0 [ 962.325351][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 962.325351][ T74] [ 962.327501][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 962.327501][ T74] netdev_get_by_index+0x5e/0x80 [ 962.327501][ T74] fib6_nh_init+0x3d8/0x1580 [ 962.327501][ T74] ip6_route_info_create+0xf18/0x17d0 [ 962.327501][ T74] addrconf_f6i_alloc+0x315/0x560 [ 962.327501][ T74] ipv6_add_addr+0x411/0x2000 [ 962.327501][ T74] inet6_addr_add+0x30e/0xa40 [ 962.327501][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 962.327501][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 962.327501][ T74] netlink_rcv_skb+0x130/0x360 [ 962.327501][ T74] netlink_unicast+0x449/0x710 [ 962.327501][ T74] netlink_sendmsg+0x723/0xbe0 [ 962.327501][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 962.327501][ T74] ___sys_sendmsg+0xee/0x170 [ 962.327501][ T74] __sys_sendmsg+0xcd/0x170 [ 962.327501][ T74] do_syscall_64+0xc6/0x1e0 [ 962.327501][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 962.327501][ T74] [ 962.329699][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 962.329699][ T74] netdev_get_by_index+0x5e/0x80 [ 962.329699][ T74] fib6_nh_init+0x3d8/0x1580 [ 962.329699][ T74] ip6_route_info_create+0xf18/0x17d0 [ 962.329699][ T74] ip6_route_add+0x1c/0x140 [ 962.329699][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 962.329699][ T74] addrconf_add_dev+0xe2/0x170 [ 962.329699][ T74] inet6_addr_add+0x12f/0xa40 [ 962.329699][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 962.329699][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 962.329699][ T74] netlink_rcv_skb+0x130/0x360 [ 962.329699][ T74] netlink_unicast+0x449/0x710 [ 962.329699][ T74] netlink_sendmsg+0x723/0xbe0 [ 962.329699][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 962.329699][ T74] ___sys_sendmsg+0xee/0x170 [ 962.329699][ T74] __sys_sendmsg+0xcd/0x170 [ 962.329699][ T74] do_syscall_64+0xc6/0x1e0 [ 962.329699][ T74] [ 962.331938][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 962.331938][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 962.331938][ T74] ipv6_find_idev+0x102/0x170 [ 962.331938][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 962.331938][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 962.331938][ T74] netlink_rcv_skb+0x130/0x360 [ 962.331938][ T74] netlink_unicast+0x449/0x710 [ 962.331938][ T74] netlink_sendmsg+0x723/0xbe0 [ 962.331938][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 962.331938][ T74] ___sys_sendmsg+0xee/0x170 [ 962.331938][ T74] __sys_sendmsg+0xcd/0x170 [ 962.331938][ T74] do_syscall_64+0xc6/0x1e0 [ 962.331938][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 962.331938][ T74] [ 962.333831][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 962.333831][ T74] neigh_parms_alloc+0x1e5/0x510 [ 962.333831][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 962.333831][ T74] ipv6_find_idev+0x102/0x170 [ 962.333831][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 962.333831][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 962.333831][ T74] netlink_rcv_skb+0x130/0x360 [ 962.333831][ T74] netlink_unicast+0x449/0x710 [ 962.333831][ T74] netlink_sendmsg+0x723/0xbe0 [ 962.333831][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 962.333831][ T74] ___sys_sendmsg+0xee/0x170 [ 962.333831][ T74] __sys_sendmsg+0xcd/0x170 [ 962.333831][ T74] do_syscall_64+0xc6/0x1e0 [ 962.333831][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 962.333831][ T74] [ 962.335850][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 962.336146][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 962.336146][ T74] dst_init+0x84/0x4a0 [ 962.336146][ T74] dst_alloc+0x97/0x150 [ 962.336146][ T74] ip6_dst_alloc+0x23/0x90 [ 962.336146][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 962.336146][ T74] ip6_pol_route+0x56f/0x840 [ 962.336146][ T74] fib6_rule_lookup+0x456/0x630 [ 962.336146][ T74] ip6_route_input+0x59c/0xa50 [ 962.336146][ T74] ipv6_rcv+0x397/0x810 [ 962.336146][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 962.336146][ T74] process_backlog+0x101/0x620 [ 962.336146][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 962.336146][ T74] net_rx_action+0x495/0xbe0 [ 962.336146][ T74] __do_softirq+0x1b5/0x7f6 [ 962.336146][ T74] [ 962.338063][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 962.338063][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 962.338063][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 962.338063][ T74] fib6_nh_init+0xa22/0x1580 [ 962.338063][ T74] ip6_route_info_create+0xf18/0x17d0 [ 962.338063][ T74] ip6_route_add+0x1c/0x140 [ 962.338063][ T74] inet6_rtm_newroute+0x104/0x110 [ 962.338063][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 962.338063][ T74] netlink_rcv_skb+0x130/0x360 [ 962.338063][ T74] netlink_unicast+0x449/0x710 [ 962.338063][ T74] netlink_sendmsg+0x723/0xbe0 [ 962.338063][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 962.338063][ T74] ___sys_sendmsg+0xee/0x170 [ 962.338063][ T74] __sys_sendmsg+0xcd/0x170 [ 962.338063][ T74] do_syscall_64+0xc6/0x1e0 [ 962.338063][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 962.338063][ T74] [ 962.340066][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 962.340066][ T74] netdev_get_by_index+0x5e/0x80 [ 962.340066][ T74] fib6_nh_init+0x3d8/0x1580 [ 962.340066][ T74] ip6_route_info_create+0xf18/0x17d0 [ 962.340066][ T74] addrconf_f6i_alloc+0x265/0x560 [ 962.340066][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 962.340066][ T74] addrconf_join_anycast+0x1c0/0x220 [ 962.340066][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 962.340066][ T74] addrconf_dad_completed+0x12b/0xe20 [ 962.340066][ T74] addrconf_dad_begin+0x310/0x670 [ 962.340066][ T74] addrconf_dad_work+0x10b/0xab0 [ 962.340066][ T74] process_one_work+0x84d/0x18a0 [ 962.340066][ T74] worker_thread+0x587/0xd30 [ 962.340066][ T74] kthread+0x28a/0x350 [ 962.340066][ T74] ret_from_fork+0x31/0x70 [ 962.340066][ T74] ret_from_fork_asm+0x1a/0x30 [ 962.340066][ T74] [ 962.342240][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 962.342240][ T74] netdev_get_by_index+0x5e/0x80 [ 962.342240][ T74] fib6_nh_init+0x3d8/0x1580 [ 962.342240][ T74] ip6_route_info_create+0xf18/0x17d0 [ 962.342240][ T74] ip6_route_add+0x1c/0x140 [ 962.342240][ T74] addrconf_prefix_route+0x2a6/0x430 [ 962.342240][ T74] inet6_addr_add+0x4f8/0xa40 [ 962.342240][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 962.342240][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 962.342240][ T74] netlink_rcv_skb+0x130/0x360 [ 962.342240][ T74] netlink_unicast+0x449/0x710 [ 962.342240][ T74] netlink_sendmsg+0x723/0xbe0 [ 962.342240][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 962.342240][ T74] ___sys_sendmsg+0xee/0x170 [ 962.342240][ T74] __sys_sendmsg+0xcd/0x170 [ 962.342240][ T74] do_syscall_64+0xc6/0x1e0 [ 962.342240][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 962.342240][ T74] [ 962.344547][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 962.344547][ T74] netdev_get_by_index+0x5e/0x80 [ 962.344547][ T74] fib6_nh_init+0x3d8/0x1580 [ 962.344547][ T74] ip6_route_info_create+0xf18/0x17d0 [ 962.344547][ T74] addrconf_f6i_alloc+0x315/0x560 [ 962.344547][ T74] ipv6_add_addr+0x411/0x2000 [ 962.344547][ T74] inet6_addr_add+0x30e/0xa40 [ 962.344547][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 962.344547][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 962.344547][ T74] netlink_rcv_skb+0x130/0x360 [ 962.344547][ T74] netlink_unicast+0x449/0x710 [ 962.344547][ T74] netlink_sendmsg+0x723/0xbe0 [ 962.344547][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 962.344547][ T74] ___sys_sendmsg+0xee/0x170 [ 962.344547][ T74] __sys_sendmsg+0xcd/0x170 [ 962.344547][ T74] do_syscall_64+0xc6/0x1e0 [ 962.344547][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 962.344547][ T74] [ 962.346842][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 962.346842][ T74] netdev_get_by_index+0x5e/0x80 [ 962.346842][ T74] fib6_nh_init+0x3d8/0x1580 [ 962.346842][ T74] ip6_route_info_create+0xf18/0x17d0 [ 962.346842][ T74] ip6_route_add+0x1c/0x140 [ 962.346842][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 962.346842][ T74] addrconf_add_dev+0xe2/0x170 [ 962.346842][ T74] inet6_addr_add+0x12f/0xa40 [ 962.346842][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 962.346842][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 962.346842][ T74] netlink_rcv_skb+0x130/0x360 [ 962.346842][ T74] netlink_unicast+0x449/0x710 [ 962.346842][ T74] netlink_sendmsg+0x723/0xbe0 [ 962.346842][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 962.346842][ T74] ___sys_sendmsg+0xee/0x170 [ 962.346842][ T74] __sys_sendmsg+0xcd/0x170 [ 962.346842][ T74] do_syscall_64+0xc6/0x1e0 [ 962.346842][ T74] [ 962.349255][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 962.349255][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 962.349255][ T74] ipv6_find_idev+0x102/0x170 [ 962.349255][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 962.349255][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 962.349255][ T74] netlink_rcv_skb+0x130/0x360 [ 962.349255][ T74] netlink_unicast+0x449/0x710 [ 962.349255][ T74] netlink_sendmsg+0x723/0xbe0 [ 962.349255][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 962.349255][ T74] ___sys_sendmsg+0xee/0x170 [ 962.349255][ T74] __sys_sendmsg+0xcd/0x170 [ 962.349255][ T74] do_syscall_64+0xc6/0x1e0 [ 962.349255][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 962.349255][ T74] [ 962.351146][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 962.351146][ T74] neigh_parms_alloc+0x1e5/0x510 [ 962.351146][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 962.351146][ T74] ipv6_find_idev+0x102/0x170 [ 962.351146][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 962.351146][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 962.351146][ T74] netlink_rcv_skb+0x130/0x360 [ 962.351146][ T74] netlink_unicast+0x449/0x710 [ 962.351146][ T74] netlink_sendmsg+0x723/0xbe0 [ 962.351146][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 962.351146][ T74] ___sys_sendmsg+0xee/0x170 [ 962.351146][ T74] __sys_sendmsg+0xcd/0x170 [ 962.351146][ T74] do_syscall_64+0xc6/0x1e0 [ 962.351146][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 962.351146][ T74] [ 962.353448][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 962.353704][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 962.353704][ T74] netdev_get_by_index+0x5e/0x80 [ 962.353704][ T74] fib6_nh_init+0x3d8/0x1580 [ 962.353704][ T74] ip6_route_info_create+0xf18/0x17d0 [ 962.353704][ T74] ip6_route_add+0x1c/0x140 [ 962.353704][ T74] addrconf_prefix_route+0x2a6/0x430 [ 962.353704][ T74] inet6_addr_add+0x4f8/0xa40 [ 962.353704][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 962.353704][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 962.353704][ T74] netlink_rcv_skb+0x130/0x360 [ 962.353704][ T74] netlink_unicast+0x449/0x710 [ 962.353704][ T74] netlink_sendmsg+0x723/0xbe0 [ 962.353704][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 962.353704][ T74] ___sys_sendmsg+0xee/0x170 [ 962.353704][ T74] __sys_sendmsg+0xcd/0x170 [ 962.353704][ T74] do_syscall_64+0xc6/0x1e0 [ 962.353704][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 962.353704][ T74] [ 962.355762][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 962.355762][ T74] netdev_get_by_index+0x5e/0x80 [ 962.355762][ T74] fib6_nh_init+0x3d8/0x1580 [ 962.355762][ T74] ip6_route_info_create+0xf18/0x17d0 [ 962.355762][ T74] addrconf_f6i_alloc+0x315/0x560 [ 962.355762][ T74] ipv6_add_addr+0x411/0x2000 [ 962.355762][ T74] inet6_addr_add+0x30e/0xa40 [ 962.355762][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 962.355762][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 962.355762][ T74] netlink_rcv_skb+0x130/0x360 [ 962.355762][ T74] netlink_unicast+0x449/0x710 [ 962.355762][ T74] netlink_sendmsg+0x723/0xbe0 [ 962.355762][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 962.355762][ T74] ___sys_sendmsg+0xee/0x170 [ 962.355762][ T74] __sys_sendmsg+0xcd/0x170 [ 962.355762][ T74] do_syscall_64+0xc6/0x1e0 [ 962.355762][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 962.355762][ T74] [ 962.358177][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 962.358177][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 962.358177][ T74] ipv6_find_idev+0x102/0x170 [ 962.358177][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 962.358177][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 962.358177][ T74] netlink_rcv_skb+0x130/0x360 [ 962.358177][ T74] netlink_unicast+0x449/0x710 [ 962.358177][ T74] netlink_sendmsg+0x723/0xbe0 [ 962.358177][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 962.358177][ T74] ___sys_sendmsg+0xee/0x170 [ 962.358177][ T74] __sys_sendmsg+0xcd/0x170 [ 962.358177][ T74] do_syscall_64+0xc6/0x1e0 [ 962.358177][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 962.358177][ T74] [ 962.359944][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 962.359944][ T74] neigh_parms_alloc+0x1e5/0x510 [ 962.359944][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 962.359944][ T74] ipv6_find_idev+0x102/0x170 [ 962.359944][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 962.359944][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 962.359944][ T74] netlink_rcv_skb+0x130/0x360 [ 962.359944][ T74] netlink_unicast+0x449/0x710 [ 962.359944][ T74] netlink_sendmsg+0x723/0xbe0 [ 962.359944][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 962.359944][ T74] ___sys_sendmsg+0xee/0x170 [ 962.359944][ T74] __sys_sendmsg+0xcd/0x170 [ 962.359944][ T74] do_syscall_64+0xc6/0x1e0 [ 962.359944][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 962.359944][ T74] [ 972.503875][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 972.504295][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 972.504295][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 972.504295][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 972.504295][ T74] fib6_nh_init+0xa22/0x1580 [ 972.504295][ T74] ip6_route_info_create+0xf18/0x17d0 [ 972.504295][ T74] ip6_route_add+0x1c/0x140 [ 972.504295][ T74] inet6_rtm_newroute+0x104/0x110 [ 972.504295][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 972.504295][ T74] netlink_rcv_skb+0x130/0x360 [ 972.504295][ T74] netlink_unicast+0x449/0x710 [ 972.504295][ T74] netlink_sendmsg+0x723/0xbe0 [ 972.504295][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 972.504295][ T74] ___sys_sendmsg+0xee/0x170 [ 972.504295][ T74] __sys_sendmsg+0xcd/0x170 [ 972.504295][ T74] do_syscall_64+0xc6/0x1e0 [ 972.504295][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 972.504295][ T74] [ 972.506569][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 972.506569][ T74] netdev_get_by_index+0x5e/0x80 [ 972.506569][ T74] fib6_nh_init+0x3d8/0x1580 [ 972.506569][ T74] ip6_route_info_create+0xf18/0x17d0 [ 972.506569][ T74] addrconf_f6i_alloc+0x265/0x560 [ 972.506569][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 972.506569][ T74] addrconf_join_anycast+0x1c0/0x220 [ 972.506569][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 972.506569][ T74] addrconf_dad_completed+0x12b/0xe20 [ 972.506569][ T74] addrconf_dad_begin+0x310/0x670 [ 972.506569][ T74] addrconf_dad_work+0x10b/0xab0 [ 972.506569][ T74] process_one_work+0x84d/0x18a0 [ 972.506569][ T74] worker_thread+0x587/0xd30 [ 972.506569][ T74] kthread+0x28a/0x350 [ 972.506569][ T74] ret_from_fork+0x31/0x70 [ 972.506569][ T74] ret_from_fork_asm+0x1a/0x30 [ 972.506569][ T74] [ 972.508850][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 972.508850][ T74] netdev_get_by_index+0x5e/0x80 [ 972.508850][ T74] fib6_nh_init+0x3d8/0x1580 [ 972.508850][ T74] ip6_route_info_create+0xf18/0x17d0 [ 972.508850][ T74] ip6_route_add+0x1c/0x140 [ 972.508850][ T74] addrconf_prefix_route+0x2a6/0x430 [ 972.508850][ T74] inet6_addr_add+0x4f8/0xa40 [ 972.508850][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 972.508850][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 972.508850][ T74] netlink_rcv_skb+0x130/0x360 [ 972.508850][ T74] netlink_unicast+0x449/0x710 [ 972.508850][ T74] netlink_sendmsg+0x723/0xbe0 [ 972.508850][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 972.508850][ T74] ___sys_sendmsg+0xee/0x170 [ 972.508850][ T74] __sys_sendmsg+0xcd/0x170 [ 972.508850][ T74] do_syscall_64+0xc6/0x1e0 [ 972.508850][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 972.508850][ T74] [ 972.511208][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 972.511208][ T74] netdev_get_by_index+0x5e/0x80 [ 972.511208][ T74] fib6_nh_init+0x3d8/0x1580 [ 972.511208][ T74] ip6_route_info_create+0xf18/0x17d0 [ 972.511208][ T74] addrconf_f6i_alloc+0x315/0x560 [ 972.511208][ T74] ipv6_add_addr+0x411/0x2000 [ 972.511208][ T74] inet6_addr_add+0x30e/0xa40 [ 972.511208][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 972.511208][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 972.511208][ T74] netlink_rcv_skb+0x130/0x360 [ 972.511208][ T74] netlink_unicast+0x449/0x710 [ 972.511208][ T74] netlink_sendmsg+0x723/0xbe0 [ 972.511208][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 972.511208][ T74] ___sys_sendmsg+0xee/0x170 [ 972.511208][ T74] __sys_sendmsg+0xcd/0x170 [ 972.511208][ T74] do_syscall_64+0xc6/0x1e0 [ 972.511208][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 972.511208][ T74] [ 972.513634][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 972.513634][ T74] netdev_get_by_index+0x5e/0x80 [ 972.513634][ T74] fib6_nh_init+0x3d8/0x1580 [ 972.513634][ T74] ip6_route_info_create+0xf18/0x17d0 [ 972.513634][ T74] ip6_route_add+0x1c/0x140 [ 972.513634][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 972.513634][ T74] addrconf_add_dev+0xe2/0x170 [ 972.513634][ T74] inet6_addr_add+0x12f/0xa40 [ 972.513634][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 972.513634][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 972.513634][ T74] netlink_rcv_skb+0x130/0x360 [ 972.513634][ T74] netlink_unicast+0x449/0x710 [ 972.513634][ T74] netlink_sendmsg+0x723/0xbe0 [ 972.513634][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 972.513634][ T74] ___sys_sendmsg+0xee/0x170 [ 972.513634][ T74] __sys_sendmsg+0xcd/0x170 [ 972.513634][ T74] do_syscall_64+0xc6/0x1e0 [ 972.513634][ T74] [ 972.515994][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 972.515994][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 972.515994][ T74] ipv6_find_idev+0x102/0x170 [ 972.515994][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 972.515994][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 972.515994][ T74] netlink_rcv_skb+0x130/0x360 [ 972.515994][ T74] netlink_unicast+0x449/0x710 [ 972.515994][ T74] netlink_sendmsg+0x723/0xbe0 [ 972.515994][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 972.515994][ T74] ___sys_sendmsg+0xee/0x170 [ 972.515994][ T74] __sys_sendmsg+0xcd/0x170 [ 972.515994][ T74] do_syscall_64+0xc6/0x1e0 [ 972.515994][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 972.515994][ T74] [ 972.517838][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 972.517838][ T74] neigh_parms_alloc+0x1e5/0x510 [ 972.517838][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 972.517838][ T74] ipv6_find_idev+0x102/0x170 [ 972.517838][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 972.517838][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 972.517838][ T74] netlink_rcv_skb+0x130/0x360 [ 972.517838][ T74] netlink_unicast+0x449/0x710 [ 972.517838][ T74] netlink_sendmsg+0x723/0xbe0 [ 972.517838][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 972.517838][ T74] ___sys_sendmsg+0xee/0x170 [ 972.517838][ T74] __sys_sendmsg+0xcd/0x170 [ 972.517838][ T74] do_syscall_64+0xc6/0x1e0 [ 972.517838][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 972.517838][ T74] [ 972.519869][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 972.520195][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 972.520195][ T74] dst_init+0x84/0x4a0 [ 972.520195][ T74] dst_alloc+0x97/0x150 [ 972.520195][ T74] ip6_dst_alloc+0x23/0x90 [ 972.520195][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 972.520195][ T74] ip6_pol_route+0x56f/0x840 [ 972.520195][ T74] fib6_rule_lookup+0x456/0x630 [ 972.520195][ T74] ip6_route_input+0x59c/0xa50 [ 972.520195][ T74] ipv6_rcv+0x397/0x810 [ 972.520195][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 972.520195][ T74] process_backlog+0x101/0x620 [ 972.520195][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 972.520195][ T74] net_rx_action+0x495/0xbe0 [ 972.520195][ T74] __do_softirq+0x1b5/0x7f6 [ 972.520195][ T74] [ 972.522203][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 972.522203][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 972.522203][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 972.522203][ T74] fib6_nh_init+0xa22/0x1580 [ 972.522203][ T74] ip6_route_info_create+0xf18/0x17d0 [ 972.522203][ T74] ip6_route_add+0x1c/0x140 [ 972.522203][ T74] inet6_rtm_newroute+0x104/0x110 [ 972.522203][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 972.522203][ T74] netlink_rcv_skb+0x130/0x360 [ 972.522203][ T74] netlink_unicast+0x449/0x710 [ 972.522203][ T74] netlink_sendmsg+0x723/0xbe0 [ 972.522203][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 972.522203][ T74] ___sys_sendmsg+0xee/0x170 [ 972.522203][ T74] __sys_sendmsg+0xcd/0x170 [ 972.522203][ T74] do_syscall_64+0xc6/0x1e0 [ 972.522203][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 972.522203][ T74] [ 972.524531][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 972.524531][ T74] netdev_get_by_index+0x5e/0x80 [ 972.524531][ T74] fib6_nh_init+0x3d8/0x1580 [ 972.524531][ T74] ip6_route_info_create+0xf18/0x17d0 [ 972.524531][ T74] addrconf_f6i_alloc+0x265/0x560 [ 972.524531][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 972.524531][ T74] addrconf_join_anycast+0x1c0/0x220 [ 972.524531][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 972.524531][ T74] addrconf_dad_completed+0x12b/0xe20 [ 972.524531][ T74] addrconf_dad_begin+0x310/0x670 [ 972.524531][ T74] addrconf_dad_work+0x10b/0xab0 [ 972.524531][ T74] process_one_work+0x84d/0x18a0 [ 972.524531][ T74] worker_thread+0x587/0xd30 [ 972.524531][ T74] kthread+0x28a/0x350 [ 972.524531][ T74] ret_from_fork+0x31/0x70 [ 972.524531][ T74] ret_from_fork_asm+0x1a/0x30 [ 972.524531][ T74] [ 972.526805][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 972.526805][ T74] netdev_get_by_index+0x5e/0x80 [ 972.526805][ T74] fib6_nh_init+0x3d8/0x1580 [ 972.526805][ T74] ip6_route_info_create+0xf18/0x17d0 [ 972.526805][ T74] ip6_route_add+0x1c/0x140 [ 972.526805][ T74] addrconf_prefix_route+0x2a6/0x430 [ 972.526805][ T74] inet6_addr_add+0x4f8/0xa40 [ 972.526805][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 972.526805][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 972.526805][ T74] netlink_rcv_skb+0x130/0x360 [ 972.526805][ T74] netlink_unicast+0x449/0x710 [ 972.526805][ T74] netlink_sendmsg+0x723/0xbe0 [ 972.526805][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 972.526805][ T74] ___sys_sendmsg+0xee/0x170 [ 972.526805][ T74] __sys_sendmsg+0xcd/0x170 [ 972.526805][ T74] do_syscall_64+0xc6/0x1e0 [ 972.526805][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 972.526805][ T74] [ 972.529286][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 972.529286][ T74] netdev_get_by_index+0x5e/0x80 [ 972.529286][ T74] fib6_nh_init+0x3d8/0x1580 [ 972.529286][ T74] ip6_route_info_create+0xf18/0x17d0 [ 972.529286][ T74] addrconf_f6i_alloc+0x315/0x560 [ 972.529286][ T74] ipv6_add_addr+0x411/0x2000 [ 972.529286][ T74] inet6_addr_add+0x30e/0xa40 [ 972.529286][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 972.529286][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 972.529286][ T74] netlink_rcv_skb+0x130/0x360 [ 972.529286][ T74] netlink_unicast+0x449/0x710 [ 972.529286][ T74] netlink_sendmsg+0x723/0xbe0 [ 972.529286][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 972.529286][ T74] ___sys_sendmsg+0xee/0x170 [ 972.529286][ T74] __sys_sendmsg+0xcd/0x170 [ 972.529286][ T74] do_syscall_64+0xc6/0x1e0 [ 972.529286][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 972.529286][ T74] [ 972.531725][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 972.531725][ T74] netdev_get_by_index+0x5e/0x80 [ 972.531725][ T74] fib6_nh_init+0x3d8/0x1580 [ 972.531725][ T74] ip6_route_info_create+0xf18/0x17d0 [ 972.531725][ T74] ip6_route_add+0x1c/0x140 [ 972.531725][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 972.531725][ T74] addrconf_add_dev+0xe2/0x170 [ 972.531725][ T74] inet6_addr_add+0x12f/0xa40 [ 972.531725][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 972.531725][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 972.531725][ T74] netlink_rcv_skb+0x130/0x360 [ 972.531725][ T74] netlink_unicast+0x449/0x710 [ 972.531725][ T74] netlink_sendmsg+0x723/0xbe0 [ 972.531725][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 972.531725][ T74] ___sys_sendmsg+0xee/0x170 [ 972.531725][ T74] __sys_sendmsg+0xcd/0x170 [ 972.531725][ T74] do_syscall_64+0xc6/0x1e0 [ 972.531725][ T74] [ 972.534300][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 972.534300][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 972.534300][ T74] ipv6_find_idev+0x102/0x170 [ 972.534300][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 972.534300][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 972.534300][ T74] netlink_rcv_skb+0x130/0x360 [ 972.534300][ T74] netlink_unicast+0x449/0x710 [ 972.534300][ T74] netlink_sendmsg+0x723/0xbe0 [ 972.534300][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 972.534300][ T74] ___sys_sendmsg+0xee/0x170 [ 972.534300][ T74] __sys_sendmsg+0xcd/0x170 [ 972.534300][ T74] do_syscall_64+0xc6/0x1e0 [ 972.534300][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 972.534300][ T74] [ 972.536186][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 972.536186][ T74] neigh_parms_alloc+0x1e5/0x510 [ 972.536186][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 972.536186][ T74] ipv6_find_idev+0x102/0x170 [ 972.536186][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 972.536186][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 972.536186][ T74] netlink_rcv_skb+0x130/0x360 [ 972.536186][ T74] netlink_unicast+0x449/0x710 [ 972.536186][ T74] netlink_sendmsg+0x723/0xbe0 [ 972.536186][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 972.536186][ T74] ___sys_sendmsg+0xee/0x170 [ 972.536186][ T74] __sys_sendmsg+0xcd/0x170 [ 972.536186][ T74] do_syscall_64+0xc6/0x1e0 [ 972.536186][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 972.536186][ T74] [ 972.538379][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 972.538661][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 972.538661][ T74] netdev_get_by_index+0x5e/0x80 [ 972.538661][ T74] fib6_nh_init+0x3d8/0x1580 [ 972.538661][ T74] ip6_route_info_create+0xf18/0x17d0 [ 972.538661][ T74] ip6_route_add+0x1c/0x140 [ 972.538661][ T74] addrconf_prefix_route+0x2a6/0x430 [ 972.538661][ T74] inet6_addr_add+0x4f8/0xa40 [ 972.538661][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 972.538661][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 972.538661][ T74] netlink_rcv_skb+0x130/0x360 [ 972.538661][ T74] netlink_unicast+0x449/0x710 [ 972.538661][ T74] netlink_sendmsg+0x723/0xbe0 [ 972.538661][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 972.538661][ T74] ___sys_sendmsg+0xee/0x170 [ 972.538661][ T74] __sys_sendmsg+0xcd/0x170 [ 972.538661][ T74] do_syscall_64+0xc6/0x1e0 [ 972.538661][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 972.538661][ T74] [ 972.541343][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 972.541343][ T74] netdev_get_by_index+0x5e/0x80 [ 972.541343][ T74] fib6_nh_init+0x3d8/0x1580 [ 972.541343][ T74] ip6_route_info_create+0xf18/0x17d0 [ 972.541343][ T74] addrconf_f6i_alloc+0x315/0x560 [ 972.541343][ T74] ipv6_add_addr+0x411/0x2000 [ 972.541343][ T74] inet6_addr_add+0x30e/0xa40 [ 972.541343][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 972.541343][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 972.541343][ T74] netlink_rcv_skb+0x130/0x360 [ 972.541343][ T74] netlink_unicast+0x449/0x710 [ 972.541343][ T74] netlink_sendmsg+0x723/0xbe0 [ 972.541343][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 972.541343][ T74] ___sys_sendmsg+0xee/0x170 [ 972.541343][ T74] __sys_sendmsg+0xcd/0x170 [ 972.541343][ T74] do_syscall_64+0xc6/0x1e0 [ 972.541343][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 972.541343][ T74] [ 972.544042][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 972.544042][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 972.544042][ T74] ipv6_find_idev+0x102/0x170 [ 972.544042][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 972.544042][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 972.544042][ T74] netlink_rcv_skb+0x130/0x360 [ 972.544042][ T74] netlink_unicast+0x449/0x710 [ 972.544042][ T74] netlink_sendmsg+0x723/0xbe0 [ 972.544042][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 972.544042][ T74] ___sys_sendmsg+0xee/0x170 [ 972.544042][ T74] __sys_sendmsg+0xcd/0x170 [ 972.544042][ T74] do_syscall_64+0xc6/0x1e0 [ 972.544042][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 972.544042][ T74] [ 972.546152][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 972.546152][ T74] neigh_parms_alloc+0x1e5/0x510 [ 972.546152][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 972.546152][ T74] ipv6_find_idev+0x102/0x170 [ 972.546152][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 972.546152][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 972.546152][ T74] netlink_rcv_skb+0x130/0x360 [ 972.546152][ T74] netlink_unicast+0x449/0x710 [ 972.546152][ T74] netlink_sendmsg+0x723/0xbe0 [ 972.546152][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 972.546152][ T74] ___sys_sendmsg+0xee/0x170 [ 972.546152][ T74] __sys_sendmsg+0xcd/0x170 [ 972.546152][ T74] do_syscall_64+0xc6/0x1e0 [ 972.546152][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 972.546152][ T74] [ 982.655868][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 982.656307][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 982.656307][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 982.656307][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 982.656307][ T74] fib6_nh_init+0xa22/0x1580 [ 982.656307][ T74] ip6_route_info_create+0xf18/0x17d0 [ 982.656307][ T74] ip6_route_add+0x1c/0x140 [ 982.656307][ T74] inet6_rtm_newroute+0x104/0x110 [ 982.656307][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 982.656307][ T74] netlink_rcv_skb+0x130/0x360 [ 982.656307][ T74] netlink_unicast+0x449/0x710 [ 982.656307][ T74] netlink_sendmsg+0x723/0xbe0 [ 982.656307][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 982.656307][ T74] ___sys_sendmsg+0xee/0x170 [ 982.656307][ T74] __sys_sendmsg+0xcd/0x170 [ 982.656307][ T74] do_syscall_64+0xc6/0x1e0 [ 982.656307][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 982.656307][ T74] [ 982.658314][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 982.658314][ T74] netdev_get_by_index+0x5e/0x80 [ 982.658314][ T74] fib6_nh_init+0x3d8/0x1580 [ 982.658314][ T74] ip6_route_info_create+0xf18/0x17d0 [ 982.658314][ T74] addrconf_f6i_alloc+0x265/0x560 [ 982.658314][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 982.658314][ T74] addrconf_join_anycast+0x1c0/0x220 [ 982.658314][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 982.658314][ T74] addrconf_dad_completed+0x12b/0xe20 [ 982.658314][ T74] addrconf_dad_begin+0x310/0x670 [ 982.658314][ T74] addrconf_dad_work+0x10b/0xab0 [ 982.658314][ T74] process_one_work+0x84d/0x18a0 [ 982.658314][ T74] worker_thread+0x587/0xd30 [ 982.658314][ T74] kthread+0x28a/0x350 [ 982.658314][ T74] ret_from_fork+0x31/0x70 [ 982.658314][ T74] ret_from_fork_asm+0x1a/0x30 [ 982.658314][ T74] [ 982.660291][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 982.660291][ T74] netdev_get_by_index+0x5e/0x80 [ 982.660291][ T74] fib6_nh_init+0x3d8/0x1580 [ 982.660291][ T74] ip6_route_info_create+0xf18/0x17d0 [ 982.660291][ T74] ip6_route_add+0x1c/0x140 [ 982.660291][ T74] addrconf_prefix_route+0x2a6/0x430 [ 982.660291][ T74] inet6_addr_add+0x4f8/0xa40 [ 982.660291][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 982.660291][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 982.660291][ T74] netlink_rcv_skb+0x130/0x360 [ 982.660291][ T74] netlink_unicast+0x449/0x710 [ 982.660291][ T74] netlink_sendmsg+0x723/0xbe0 [ 982.660291][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 982.660291][ T74] ___sys_sendmsg+0xee/0x170 [ 982.660291][ T74] __sys_sendmsg+0xcd/0x170 [ 982.660291][ T74] do_syscall_64+0xc6/0x1e0 [ 982.660291][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 982.660291][ T74] [ 982.662297][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 982.662297][ T74] netdev_get_by_index+0x5e/0x80 [ 982.662297][ T74] fib6_nh_init+0x3d8/0x1580 [ 982.662297][ T74] ip6_route_info_create+0xf18/0x17d0 [ 982.662297][ T74] addrconf_f6i_alloc+0x315/0x560 [ 982.662297][ T74] ipv6_add_addr+0x411/0x2000 [ 982.662297][ T74] inet6_addr_add+0x30e/0xa40 [ 982.662297][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 982.662297][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 982.662297][ T74] netlink_rcv_skb+0x130/0x360 [ 982.662297][ T74] netlink_unicast+0x449/0x710 [ 982.662297][ T74] netlink_sendmsg+0x723/0xbe0 [ 982.662297][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 982.662297][ T74] ___sys_sendmsg+0xee/0x170 [ 982.662297][ T74] __sys_sendmsg+0xcd/0x170 [ 982.662297][ T74] do_syscall_64+0xc6/0x1e0 [ 982.662297][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 982.662297][ T74] [ 982.664317][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 982.664317][ T74] netdev_get_by_index+0x5e/0x80 [ 982.664317][ T74] fib6_nh_init+0x3d8/0x1580 [ 982.664317][ T74] ip6_route_info_create+0xf18/0x17d0 [ 982.664317][ T74] ip6_route_add+0x1c/0x140 [ 982.664317][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 982.664317][ T74] addrconf_add_dev+0xe2/0x170 [ 982.664317][ T74] inet6_addr_add+0x12f/0xa40 [ 982.664317][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 982.664317][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 982.664317][ T74] netlink_rcv_skb+0x130/0x360 [ 982.664317][ T74] netlink_unicast+0x449/0x710 [ 982.664317][ T74] netlink_sendmsg+0x723/0xbe0 [ 982.664317][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 982.664317][ T74] ___sys_sendmsg+0xee/0x170 [ 982.664317][ T74] __sys_sendmsg+0xcd/0x170 [ 982.664317][ T74] do_syscall_64+0xc6/0x1e0 [ 982.664317][ T74] [ 982.666310][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 982.666310][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 982.666310][ T74] ipv6_find_idev+0x102/0x170 [ 982.666310][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 982.666310][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 982.666310][ T74] netlink_rcv_skb+0x130/0x360 [ 982.666310][ T74] netlink_unicast+0x449/0x710 [ 982.666310][ T74] netlink_sendmsg+0x723/0xbe0 [ 982.666310][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 982.666310][ T74] ___sys_sendmsg+0xee/0x170 [ 982.666310][ T74] __sys_sendmsg+0xcd/0x170 [ 982.666310][ T74] do_syscall_64+0xc6/0x1e0 [ 982.666310][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 982.666310][ T74] [ 982.667866][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 982.667866][ T74] neigh_parms_alloc+0x1e5/0x510 [ 982.667866][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 982.667866][ T74] ipv6_find_idev+0x102/0x170 [ 982.667866][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 982.667866][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 982.667866][ T74] netlink_rcv_skb+0x130/0x360 [ 982.667866][ T74] netlink_unicast+0x449/0x710 [ 982.667866][ T74] netlink_sendmsg+0x723/0xbe0 [ 982.667866][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 982.667866][ T74] ___sys_sendmsg+0xee/0x170 [ 982.667866][ T74] __sys_sendmsg+0xcd/0x170 [ 982.667866][ T74] do_syscall_64+0xc6/0x1e0 [ 982.667866][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 982.667866][ T74] [ 982.669595][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 982.669883][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 982.669883][ T74] dst_init+0x84/0x4a0 [ 982.669883][ T74] dst_alloc+0x97/0x150 [ 982.669883][ T74] ip6_dst_alloc+0x23/0x90 [ 982.669883][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 982.669883][ T74] ip6_pol_route+0x56f/0x840 [ 982.669883][ T74] fib6_rule_lookup+0x456/0x630 [ 982.669883][ T74] ip6_route_input+0x59c/0xa50 [ 982.669883][ T74] ipv6_rcv+0x397/0x810 [ 982.669883][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 982.669883][ T74] process_backlog+0x101/0x620 [ 982.669883][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 982.669883][ T74] net_rx_action+0x495/0xbe0 [ 982.669883][ T74] __do_softirq+0x1b5/0x7f6 [ 982.669883][ T74] [ 982.671525][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 982.671525][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 982.671525][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 982.671525][ T74] fib6_nh_init+0xa22/0x1580 [ 982.671525][ T74] ip6_route_info_create+0xf18/0x17d0 [ 982.671525][ T74] ip6_route_add+0x1c/0x140 [ 982.671525][ T74] inet6_rtm_newroute+0x104/0x110 [ 982.671525][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 982.671525][ T74] netlink_rcv_skb+0x130/0x360 [ 982.671525][ T74] netlink_unicast+0x449/0x710 [ 982.671525][ T74] netlink_sendmsg+0x723/0xbe0 [ 982.671525][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 982.671525][ T74] ___sys_sendmsg+0xee/0x170 [ 982.671525][ T74] __sys_sendmsg+0xcd/0x170 [ 982.671525][ T74] do_syscall_64+0xc6/0x1e0 [ 982.671525][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 982.671525][ T74] [ 982.673432][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 982.673432][ T74] netdev_get_by_index+0x5e/0x80 [ 982.673432][ T74] fib6_nh_init+0x3d8/0x1580 [ 982.673432][ T74] ip6_route_info_create+0xf18/0x17d0 [ 982.673432][ T74] addrconf_f6i_alloc+0x265/0x560 [ 982.673432][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 982.673432][ T74] addrconf_join_anycast+0x1c0/0x220 [ 982.673432][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 982.673432][ T74] addrconf_dad_completed+0x12b/0xe20 [ 982.673432][ T74] addrconf_dad_begin+0x310/0x670 [ 982.673432][ T74] addrconf_dad_work+0x10b/0xab0 [ 982.673432][ T74] process_one_work+0x84d/0x18a0 [ 982.673432][ T74] worker_thread+0x587/0xd30 [ 982.673432][ T74] kthread+0x28a/0x350 [ 982.673432][ T74] ret_from_fork+0x31/0x70 [ 982.673432][ T74] ret_from_fork_asm+0x1a/0x30 [ 982.673432][ T74] [ 982.675619][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 982.675619][ T74] netdev_get_by_index+0x5e/0x80 [ 982.675619][ T74] fib6_nh_init+0x3d8/0x1580 [ 982.675619][ T74] ip6_route_info_create+0xf18/0x17d0 [ 982.675619][ T74] ip6_route_add+0x1c/0x140 [ 982.675619][ T74] addrconf_prefix_route+0x2a6/0x430 [ 982.675619][ T74] inet6_addr_add+0x4f8/0xa40 [ 982.675619][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 982.675619][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 982.675619][ T74] netlink_rcv_skb+0x130/0x360 [ 982.675619][ T74] netlink_unicast+0x449/0x710 [ 982.675619][ T74] netlink_sendmsg+0x723/0xbe0 [ 982.675619][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 982.675619][ T74] ___sys_sendmsg+0xee/0x170 [ 982.675619][ T74] __sys_sendmsg+0xcd/0x170 [ 982.675619][ T74] do_syscall_64+0xc6/0x1e0 [ 982.675619][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 982.675619][ T74] [ 982.677927][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 982.677927][ T74] netdev_get_by_index+0x5e/0x80 [ 982.677927][ T74] fib6_nh_init+0x3d8/0x1580 [ 982.677927][ T74] ip6_route_info_create+0xf18/0x17d0 [ 982.677927][ T74] addrconf_f6i_alloc+0x315/0x560 [ 982.677927][ T74] ipv6_add_addr+0x411/0x2000 [ 982.677927][ T74] inet6_addr_add+0x30e/0xa40 [ 982.677927][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 982.677927][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 982.677927][ T74] netlink_rcv_skb+0x130/0x360 [ 982.677927][ T74] netlink_unicast+0x449/0x710 [ 982.677927][ T74] netlink_sendmsg+0x723/0xbe0 [ 982.677927][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 982.677927][ T74] ___sys_sendmsg+0xee/0x170 [ 982.677927][ T74] __sys_sendmsg+0xcd/0x170 [ 982.677927][ T74] do_syscall_64+0xc6/0x1e0 [ 982.677927][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 982.677927][ T74] [ 982.680221][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 982.680221][ T74] netdev_get_by_index+0x5e/0x80 [ 982.680221][ T74] fib6_nh_init+0x3d8/0x1580 [ 982.680221][ T74] ip6_route_info_create+0xf18/0x17d0 [ 982.680221][ T74] ip6_route_add+0x1c/0x140 [ 982.680221][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 982.680221][ T74] addrconf_add_dev+0xe2/0x170 [ 982.680221][ T74] inet6_addr_add+0x12f/0xa40 [ 982.680221][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 982.680221][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 982.680221][ T74] netlink_rcv_skb+0x130/0x360 [ 982.680221][ T74] netlink_unicast+0x449/0x710 [ 982.680221][ T74] netlink_sendmsg+0x723/0xbe0 [ 982.680221][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 982.680221][ T74] ___sys_sendmsg+0xee/0x170 [ 982.680221][ T74] __sys_sendmsg+0xcd/0x170 [ 982.680221][ T74] do_syscall_64+0xc6/0x1e0 [ 982.680221][ T74] [ 982.682685][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 982.682685][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 982.682685][ T74] ipv6_find_idev+0x102/0x170 [ 982.682685][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 982.682685][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 982.682685][ T74] netlink_rcv_skb+0x130/0x360 [ 982.682685][ T74] netlink_unicast+0x449/0x710 [ 982.682685][ T74] netlink_sendmsg+0x723/0xbe0 [ 982.682685][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 982.682685][ T74] ___sys_sendmsg+0xee/0x170 [ 982.682685][ T74] __sys_sendmsg+0xcd/0x170 [ 982.682685][ T74] do_syscall_64+0xc6/0x1e0 [ 982.682685][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 982.682685][ T74] [ 982.684324][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 982.684324][ T74] neigh_parms_alloc+0x1e5/0x510 [ 982.684324][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 982.684324][ T74] ipv6_find_idev+0x102/0x170 [ 982.684324][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 982.684324][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 982.684324][ T74] netlink_rcv_skb+0x130/0x360 [ 982.684324][ T74] netlink_unicast+0x449/0x710 [ 982.684324][ T74] netlink_sendmsg+0x723/0xbe0 [ 982.684324][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 982.684324][ T74] ___sys_sendmsg+0xee/0x170 [ 982.684324][ T74] __sys_sendmsg+0xcd/0x170 [ 982.684324][ T74] do_syscall_64+0xc6/0x1e0 [ 982.684324][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 982.684324][ T74] [ 982.686306][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 982.686542][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 982.686542][ T74] netdev_get_by_index+0x5e/0x80 [ 982.686542][ T74] fib6_nh_init+0x3d8/0x1580 [ 982.686542][ T74] ip6_route_info_create+0xf18/0x17d0 [ 982.686542][ T74] ip6_route_add+0x1c/0x140 [ 982.686542][ T74] addrconf_prefix_route+0x2a6/0x430 [ 982.686542][ T74] inet6_addr_add+0x4f8/0xa40 [ 982.686542][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 982.686542][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 982.686542][ T74] netlink_rcv_skb+0x130/0x360 [ 982.686542][ T74] netlink_unicast+0x449/0x710 [ 982.686542][ T74] netlink_sendmsg+0x723/0xbe0 [ 982.686542][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 982.686542][ T74] ___sys_sendmsg+0xee/0x170 [ 982.686542][ T74] __sys_sendmsg+0xcd/0x170 [ 982.686542][ T74] do_syscall_64+0xc6/0x1e0 [ 982.686542][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 982.686542][ T74] [ 982.688619][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 982.688619][ T74] netdev_get_by_index+0x5e/0x80 [ 982.688619][ T74] fib6_nh_init+0x3d8/0x1580 [ 982.688619][ T74] ip6_route_info_create+0xf18/0x17d0 [ 982.688619][ T74] addrconf_f6i_alloc+0x315/0x560 [ 982.688619][ T74] ipv6_add_addr+0x411/0x2000 [ 982.688619][ T74] inet6_addr_add+0x30e/0xa40 [ 982.688619][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 982.688619][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 982.688619][ T74] netlink_rcv_skb+0x130/0x360 [ 982.688619][ T74] netlink_unicast+0x449/0x710 [ 982.688619][ T74] netlink_sendmsg+0x723/0xbe0 [ 982.688619][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 982.688619][ T74] ___sys_sendmsg+0xee/0x170 [ 982.688619][ T74] __sys_sendmsg+0xcd/0x170 [ 982.688619][ T74] do_syscall_64+0xc6/0x1e0 [ 982.688619][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 982.688619][ T74] [ 982.690976][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 982.690976][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 982.690976][ T74] ipv6_find_idev+0x102/0x170 [ 982.690976][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 982.690976][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 982.690976][ T74] netlink_rcv_skb+0x130/0x360 [ 982.690976][ T74] netlink_unicast+0x449/0x710 [ 982.690976][ T74] netlink_sendmsg+0x723/0xbe0 [ 982.690976][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 982.690976][ T74] ___sys_sendmsg+0xee/0x170 [ 982.690976][ T74] __sys_sendmsg+0xcd/0x170 [ 982.690976][ T74] do_syscall_64+0xc6/0x1e0 [ 982.690976][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 982.690976][ T74] [ 982.692614][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 982.692614][ T74] neigh_parms_alloc+0x1e5/0x510 [ 982.692614][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 982.692614][ T74] ipv6_find_idev+0x102/0x170 [ 982.692614][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 982.692614][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 982.692614][ T74] netlink_rcv_skb+0x130/0x360 [ 982.692614][ T74] netlink_unicast+0x449/0x710 [ 982.692614][ T74] netlink_sendmsg+0x723/0xbe0 [ 982.692614][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 982.692614][ T74] ___sys_sendmsg+0xee/0x170 [ 982.692614][ T74] __sys_sendmsg+0xcd/0x170 [ 982.692614][ T74] do_syscall_64+0xc6/0x1e0 [ 982.692614][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 982.692614][ T74] [ 992.824866][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 992.825260][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 992.825260][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 992.825260][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 992.825260][ T74] fib6_nh_init+0xa22/0x1580 [ 992.825260][ T74] ip6_route_info_create+0xf18/0x17d0 [ 992.825260][ T74] ip6_route_add+0x1c/0x140 [ 992.825260][ T74] inet6_rtm_newroute+0x104/0x110 [ 992.825260][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 992.825260][ T74] netlink_rcv_skb+0x130/0x360 [ 992.825260][ T74] netlink_unicast+0x449/0x710 [ 992.825260][ T74] netlink_sendmsg+0x723/0xbe0 [ 992.825260][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 992.825260][ T74] ___sys_sendmsg+0xee/0x170 [ 992.825260][ T74] __sys_sendmsg+0xcd/0x170 [ 992.825260][ T74] do_syscall_64+0xc6/0x1e0 [ 992.825260][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 992.825260][ T74] [ 992.827343][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 992.827343][ T74] netdev_get_by_index+0x5e/0x80 [ 992.827343][ T74] fib6_nh_init+0x3d8/0x1580 [ 992.827343][ T74] ip6_route_info_create+0xf18/0x17d0 [ 992.827343][ T74] addrconf_f6i_alloc+0x265/0x560 [ 992.827343][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 992.827343][ T74] addrconf_join_anycast+0x1c0/0x220 [ 992.827343][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 992.827343][ T74] addrconf_dad_completed+0x12b/0xe20 [ 992.827343][ T74] addrconf_dad_begin+0x310/0x670 [ 992.827343][ T74] addrconf_dad_work+0x10b/0xab0 [ 992.827343][ T74] process_one_work+0x84d/0x18a0 [ 992.827343][ T74] worker_thread+0x587/0xd30 [ 992.827343][ T74] kthread+0x28a/0x350 [ 992.827343][ T74] ret_from_fork+0x31/0x70 [ 992.827343][ T74] ret_from_fork_asm+0x1a/0x30 [ 992.827343][ T74] [ 992.829534][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 992.829534][ T74] netdev_get_by_index+0x5e/0x80 [ 992.829534][ T74] fib6_nh_init+0x3d8/0x1580 [ 992.829534][ T74] ip6_route_info_create+0xf18/0x17d0 [ 992.829534][ T74] ip6_route_add+0x1c/0x140 [ 992.829534][ T74] addrconf_prefix_route+0x2a6/0x430 [ 992.829534][ T74] inet6_addr_add+0x4f8/0xa40 [ 992.829534][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 992.829534][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 992.829534][ T74] netlink_rcv_skb+0x130/0x360 [ 992.829534][ T74] netlink_unicast+0x449/0x710 [ 992.829534][ T74] netlink_sendmsg+0x723/0xbe0 [ 992.829534][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 992.829534][ T74] ___sys_sendmsg+0xee/0x170 [ 992.829534][ T74] __sys_sendmsg+0xcd/0x170 [ 992.829534][ T74] do_syscall_64+0xc6/0x1e0 [ 992.829534][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 992.829534][ T74] [ 992.831712][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 992.831712][ T74] netdev_get_by_index+0x5e/0x80 [ 992.831712][ T74] fib6_nh_init+0x3d8/0x1580 [ 992.831712][ T74] ip6_route_info_create+0xf18/0x17d0 [ 992.831712][ T74] addrconf_f6i_alloc+0x315/0x560 [ 992.831712][ T74] ipv6_add_addr+0x411/0x2000 [ 992.831712][ T74] inet6_addr_add+0x30e/0xa40 [ 992.831712][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 992.831712][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 992.831712][ T74] netlink_rcv_skb+0x130/0x360 [ 992.831712][ T74] netlink_unicast+0x449/0x710 [ 992.831712][ T74] netlink_sendmsg+0x723/0xbe0 [ 992.831712][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 992.831712][ T74] ___sys_sendmsg+0xee/0x170 [ 992.831712][ T74] __sys_sendmsg+0xcd/0x170 [ 992.831712][ T74] do_syscall_64+0xc6/0x1e0 [ 992.831712][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 992.831712][ T74] [ 992.833881][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 992.833881][ T74] netdev_get_by_index+0x5e/0x80 [ 992.833881][ T74] fib6_nh_init+0x3d8/0x1580 [ 992.833881][ T74] ip6_route_info_create+0xf18/0x17d0 [ 992.833881][ T74] ip6_route_add+0x1c/0x140 [ 992.833881][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 992.833881][ T74] addrconf_add_dev+0xe2/0x170 [ 992.833881][ T74] inet6_addr_add+0x12f/0xa40 [ 992.833881][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 992.833881][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 992.833881][ T74] netlink_rcv_skb+0x130/0x360 [ 992.833881][ T74] netlink_unicast+0x449/0x710 [ 992.833881][ T74] netlink_sendmsg+0x723/0xbe0 [ 992.833881][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 992.833881][ T74] ___sys_sendmsg+0xee/0x170 [ 992.833881][ T74] __sys_sendmsg+0xcd/0x170 [ 992.833881][ T74] do_syscall_64+0xc6/0x1e0 [ 992.833881][ T74] [ 992.836173][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 992.836173][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 992.836173][ T74] ipv6_find_idev+0x102/0x170 [ 992.836173][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 992.836173][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 992.836173][ T74] netlink_rcv_skb+0x130/0x360 [ 992.836173][ T74] netlink_unicast+0x449/0x710 [ 992.836173][ T74] netlink_sendmsg+0x723/0xbe0 [ 992.836173][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 992.836173][ T74] ___sys_sendmsg+0xee/0x170 [ 992.836173][ T74] __sys_sendmsg+0xcd/0x170 [ 992.836173][ T74] do_syscall_64+0xc6/0x1e0 [ 992.836173][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 992.836173][ T74] [ 992.838513][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 992.838513][ T74] neigh_parms_alloc+0x1e5/0x510 [ 992.838513][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 992.838513][ T74] ipv6_find_idev+0x102/0x170 [ 992.838513][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 992.838513][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 992.838513][ T74] netlink_rcv_skb+0x130/0x360 [ 992.838513][ T74] netlink_unicast+0x449/0x710 [ 992.838513][ T74] netlink_sendmsg+0x723/0xbe0 [ 992.838513][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 992.838513][ T74] ___sys_sendmsg+0xee/0x170 [ 992.838513][ T74] __sys_sendmsg+0xcd/0x170 [ 992.838513][ T74] do_syscall_64+0xc6/0x1e0 [ 992.838513][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 992.838513][ T74] [ 992.841607][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 992.842116][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 992.842116][ T74] dst_init+0x84/0x4a0 [ 992.842116][ T74] dst_alloc+0x97/0x150 [ 992.842116][ T74] ip6_dst_alloc+0x23/0x90 [ 992.842116][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 992.842116][ T74] ip6_pol_route+0x56f/0x840 [ 992.842116][ T74] fib6_rule_lookup+0x456/0x630 [ 992.842116][ T74] ip6_route_input+0x59c/0xa50 [ 992.842116][ T74] ipv6_rcv+0x397/0x810 [ 992.842116][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 992.842116][ T74] process_backlog+0x101/0x620 [ 992.842116][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 992.842116][ T74] net_rx_action+0x495/0xbe0 [ 992.842116][ T74] __do_softirq+0x1b5/0x7f6 [ 992.842116][ T74] [ 992.845418][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 992.845418][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 992.845418][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 992.845418][ T74] fib6_nh_init+0xa22/0x1580 [ 992.845418][ T74] ip6_route_info_create+0xf18/0x17d0 [ 992.845418][ T74] ip6_route_add+0x1c/0x140 [ 992.845418][ T74] inet6_rtm_newroute+0x104/0x110 [ 992.845418][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 992.845418][ T74] netlink_rcv_skb+0x130/0x360 [ 992.845418][ T74] netlink_unicast+0x449/0x710 [ 992.845418][ T74] netlink_sendmsg+0x723/0xbe0 [ 992.845418][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 992.845418][ T74] ___sys_sendmsg+0xee/0x170 [ 992.845418][ T74] __sys_sendmsg+0xcd/0x170 [ 992.845418][ T74] do_syscall_64+0xc6/0x1e0 [ 992.845418][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 992.845418][ T74] [ 992.849050][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 992.849050][ T74] netdev_get_by_index+0x5e/0x80 [ 992.849050][ T74] fib6_nh_init+0x3d8/0x1580 [ 992.849050][ T74] ip6_route_info_create+0xf18/0x17d0 [ 992.849050][ T74] addrconf_f6i_alloc+0x265/0x560 [ 992.849050][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 992.849050][ T74] addrconf_join_anycast+0x1c0/0x220 [ 992.849050][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 992.849050][ T74] addrconf_dad_completed+0x12b/0xe20 [ 992.849050][ T74] addrconf_dad_begin+0x310/0x670 [ 992.849050][ T74] addrconf_dad_work+0x10b/0xab0 [ 992.849050][ T74] process_one_work+0x84d/0x18a0 [ 992.849050][ T74] worker_thread+0x587/0xd30 [ 992.849050][ T74] kthread+0x28a/0x350 [ 992.849050][ T74] ret_from_fork+0x31/0x70 [ 992.849050][ T74] ret_from_fork_asm+0x1a/0x30 [ 992.849050][ T74] [ 992.852874][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 992.852874][ T74] netdev_get_by_index+0x5e/0x80 [ 992.852874][ T74] fib6_nh_init+0x3d8/0x1580 [ 992.852874][ T74] ip6_route_info_create+0xf18/0x17d0 [ 992.852874][ T74] ip6_route_add+0x1c/0x140 [ 992.852874][ T74] addrconf_prefix_route+0x2a6/0x430 [ 992.852874][ T74] inet6_addr_add+0x4f8/0xa40 [ 992.852874][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 992.852874][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 992.852874][ T74] netlink_rcv_skb+0x130/0x360 [ 992.852874][ T74] netlink_unicast+0x449/0x710 [ 992.852874][ T74] netlink_sendmsg+0x723/0xbe0 [ 992.852874][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 992.852874][ T74] ___sys_sendmsg+0xee/0x170 [ 992.852874][ T74] __sys_sendmsg+0xcd/0x170 [ 992.852874][ T74] do_syscall_64+0xc6/0x1e0 [ 992.852874][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 992.852874][ T74] [ 992.856830][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 992.856830][ T74] netdev_get_by_index+0x5e/0x80 [ 992.856830][ T74] fib6_nh_init+0x3d8/0x1580 [ 992.856830][ T74] ip6_route_info_create+0xf18/0x17d0 [ 992.856830][ T74] addrconf_f6i_alloc+0x315/0x560 [ 992.856830][ T74] ipv6_add_addr+0x411/0x2000 [ 992.856830][ T74] inet6_addr_add+0x30e/0xa40 [ 992.856830][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 992.856830][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 992.856830][ T74] netlink_rcv_skb+0x130/0x360 [ 992.856830][ T74] netlink_unicast+0x449/0x710 [ 992.856830][ T74] netlink_sendmsg+0x723/0xbe0 [ 992.856830][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 992.856830][ T74] ___sys_sendmsg+0xee/0x170 [ 992.856830][ T74] __sys_sendmsg+0xcd/0x170 [ 992.856830][ T74] do_syscall_64+0xc6/0x1e0 [ 992.856830][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 992.856830][ T74] [ 992.860500][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 992.860500][ T74] netdev_get_by_index+0x5e/0x80 [ 992.860500][ T74] fib6_nh_init+0x3d8/0x1580 [ 992.860500][ T74] ip6_route_info_create+0xf18/0x17d0 [ 992.860500][ T74] ip6_route_add+0x1c/0x140 [ 992.860500][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 992.860500][ T74] addrconf_add_dev+0xe2/0x170 [ 992.860500][ T74] inet6_addr_add+0x12f/0xa40 [ 992.860500][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 992.860500][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 992.860500][ T74] netlink_rcv_skb+0x130/0x360 [ 992.860500][ T74] netlink_unicast+0x449/0x710 [ 992.860500][ T74] netlink_sendmsg+0x723/0xbe0 [ 992.860500][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 992.860500][ T74] ___sys_sendmsg+0xee/0x170 [ 992.860500][ T74] __sys_sendmsg+0xcd/0x170 [ 992.860500][ T74] do_syscall_64+0xc6/0x1e0 [ 992.860500][ T74] [ 992.864278][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 992.864278][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 992.864278][ T74] ipv6_find_idev+0x102/0x170 [ 992.864278][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 992.864278][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 992.864278][ T74] netlink_rcv_skb+0x130/0x360 [ 992.864278][ T74] netlink_unicast+0x449/0x710 [ 992.864278][ T74] netlink_sendmsg+0x723/0xbe0 [ 992.864278][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 992.864278][ T74] ___sys_sendmsg+0xee/0x170 [ 992.864278][ T74] __sys_sendmsg+0xcd/0x170 [ 992.864278][ T74] do_syscall_64+0xc6/0x1e0 [ 992.864278][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 992.864278][ T74] [ 992.867169][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 992.867169][ T74] neigh_parms_alloc+0x1e5/0x510 [ 992.867169][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 992.867169][ T74] ipv6_find_idev+0x102/0x170 [ 992.867169][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 992.867169][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 992.867169][ T74] netlink_rcv_skb+0x130/0x360 [ 992.867169][ T74] netlink_unicast+0x449/0x710 [ 992.867169][ T74] netlink_sendmsg+0x723/0xbe0 [ 992.867169][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 992.867169][ T74] ___sys_sendmsg+0xee/0x170 [ 992.867169][ T74] __sys_sendmsg+0xcd/0x170 [ 992.867169][ T74] do_syscall_64+0xc6/0x1e0 [ 992.867169][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 992.867169][ T74] [ 992.870929][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 992.871208][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 992.871208][ T74] netdev_get_by_index+0x5e/0x80 [ 992.871208][ T74] fib6_nh_init+0x3d8/0x1580 [ 992.871208][ T74] ip6_route_info_create+0xf18/0x17d0 [ 992.871208][ T74] ip6_route_add+0x1c/0x140 [ 992.871208][ T74] addrconf_prefix_route+0x2a6/0x430 [ 992.871208][ T74] inet6_addr_add+0x4f8/0xa40 [ 992.871208][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 992.871208][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 992.871208][ T74] netlink_rcv_skb+0x130/0x360 [ 992.871208][ T74] netlink_unicast+0x449/0x710 [ 992.871208][ T74] netlink_sendmsg+0x723/0xbe0 [ 992.871208][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 992.871208][ T74] ___sys_sendmsg+0xee/0x170 [ 992.871208][ T74] __sys_sendmsg+0xcd/0x170 [ 992.871208][ T74] do_syscall_64+0xc6/0x1e0 [ 992.871208][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 992.871208][ T74] [ 992.873295][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 992.873295][ T74] netdev_get_by_index+0x5e/0x80 [ 992.873295][ T74] fib6_nh_init+0x3d8/0x1580 [ 992.873295][ T74] ip6_route_info_create+0xf18/0x17d0 [ 992.873295][ T74] addrconf_f6i_alloc+0x315/0x560 [ 992.873295][ T74] ipv6_add_addr+0x411/0x2000 [ 992.873295][ T74] inet6_addr_add+0x30e/0xa40 [ 992.873295][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 992.873295][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 992.873295][ T74] netlink_rcv_skb+0x130/0x360 [ 992.873295][ T74] netlink_unicast+0x449/0x710 [ 992.873295][ T74] netlink_sendmsg+0x723/0xbe0 [ 992.873295][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 992.873295][ T74] ___sys_sendmsg+0xee/0x170 [ 992.873295][ T74] __sys_sendmsg+0xcd/0x170 [ 992.873295][ T74] do_syscall_64+0xc6/0x1e0 [ 992.873295][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 992.873295][ T74] [ 992.875494][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 992.875494][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 992.875494][ T74] ipv6_find_idev+0x102/0x170 [ 992.875494][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 992.875494][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 992.875494][ T74] netlink_rcv_skb+0x130/0x360 [ 992.875494][ T74] netlink_unicast+0x449/0x710 [ 992.875494][ T74] netlink_sendmsg+0x723/0xbe0 [ 992.875494][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 992.875494][ T74] ___sys_sendmsg+0xee/0x170 [ 992.875494][ T74] __sys_sendmsg+0xcd/0x170 [ 992.875494][ T74] do_syscall_64+0xc6/0x1e0 [ 992.875494][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 992.875494][ T74] [ 992.877222][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 992.877222][ T74] neigh_parms_alloc+0x1e5/0x510 [ 992.877222][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 992.877222][ T74] ipv6_find_idev+0x102/0x170 [ 992.877222][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 992.877222][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 992.877222][ T74] netlink_rcv_skb+0x130/0x360 [ 992.877222][ T74] netlink_unicast+0x449/0x710 [ 992.877222][ T74] netlink_sendmsg+0x723/0xbe0 [ 992.877222][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 992.877222][ T74] ___sys_sendmsg+0xee/0x170 [ 992.877222][ T74] __sys_sendmsg+0xcd/0x170 [ 992.877222][ T74] do_syscall_64+0xc6/0x1e0 [ 992.877222][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 992.877222][ T74] [ 1003.032864][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1003.033299][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1003.033299][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1003.033299][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1003.033299][ T74] fib6_nh_init+0xa22/0x1580 [ 1003.033299][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1003.033299][ T74] ip6_route_add+0x1c/0x140 [ 1003.033299][ T74] inet6_rtm_newroute+0x104/0x110 [ 1003.033299][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1003.033299][ T74] netlink_rcv_skb+0x130/0x360 [ 1003.033299][ T74] netlink_unicast+0x449/0x710 [ 1003.033299][ T74] netlink_sendmsg+0x723/0xbe0 [ 1003.033299][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1003.033299][ T74] ___sys_sendmsg+0xee/0x170 [ 1003.033299][ T74] __sys_sendmsg+0xcd/0x170 [ 1003.033299][ T74] do_syscall_64+0xc6/0x1e0 [ 1003.033299][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1003.033299][ T74] [ 1003.035428][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1003.035428][ T74] netdev_get_by_index+0x5e/0x80 [ 1003.035428][ T74] fib6_nh_init+0x3d8/0x1580 [ 1003.035428][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1003.035428][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1003.035428][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1003.035428][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1003.035428][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1003.035428][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1003.035428][ T74] addrconf_dad_begin+0x310/0x670 [ 1003.035428][ T74] addrconf_dad_work+0x10b/0xab0 [ 1003.035428][ T74] process_one_work+0x84d/0x18a0 [ 1003.035428][ T74] worker_thread+0x587/0xd30 [ 1003.035428][ T74] kthread+0x28a/0x350 [ 1003.035428][ T74] ret_from_fork+0x31/0x70 [ 1003.035428][ T74] ret_from_fork_asm+0x1a/0x30 [ 1003.035428][ T74] [ 1003.037583][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1003.037583][ T74] netdev_get_by_index+0x5e/0x80 [ 1003.037583][ T74] fib6_nh_init+0x3d8/0x1580 [ 1003.037583][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1003.037583][ T74] ip6_route_add+0x1c/0x140 [ 1003.037583][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1003.037583][ T74] inet6_addr_add+0x4f8/0xa40 [ 1003.037583][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1003.037583][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1003.037583][ T74] netlink_rcv_skb+0x130/0x360 [ 1003.037583][ T74] netlink_unicast+0x449/0x710 [ 1003.037583][ T74] netlink_sendmsg+0x723/0xbe0 [ 1003.037583][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1003.037583][ T74] ___sys_sendmsg+0xee/0x170 [ 1003.037583][ T74] __sys_sendmsg+0xcd/0x170 [ 1003.037583][ T74] do_syscall_64+0xc6/0x1e0 [ 1003.037583][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1003.037583][ T74] [ 1003.039854][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1003.039854][ T74] netdev_get_by_index+0x5e/0x80 [ 1003.039854][ T74] fib6_nh_init+0x3d8/0x1580 [ 1003.039854][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1003.039854][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1003.039854][ T74] ipv6_add_addr+0x411/0x2000 [ 1003.039854][ T74] inet6_addr_add+0x30e/0xa40 [ 1003.039854][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1003.039854][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1003.039854][ T74] netlink_rcv_skb+0x130/0x360 [ 1003.039854][ T74] netlink_unicast+0x449/0x710 [ 1003.039854][ T74] netlink_sendmsg+0x723/0xbe0 [ 1003.039854][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1003.039854][ T74] ___sys_sendmsg+0xee/0x170 [ 1003.039854][ T74] __sys_sendmsg+0xcd/0x170 [ 1003.039854][ T74] do_syscall_64+0xc6/0x1e0 [ 1003.039854][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1003.039854][ T74] [ 1003.042098][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1003.042098][ T74] netdev_get_by_index+0x5e/0x80 [ 1003.042098][ T74] fib6_nh_init+0x3d8/0x1580 [ 1003.042098][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1003.042098][ T74] ip6_route_add+0x1c/0x140 [ 1003.042098][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1003.042098][ T74] addrconf_add_dev+0xe2/0x170 [ 1003.042098][ T74] inet6_addr_add+0x12f/0xa40 [ 1003.042098][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1003.042098][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1003.042098][ T74] netlink_rcv_skb+0x130/0x360 [ 1003.042098][ T74] netlink_unicast+0x449/0x710 [ 1003.042098][ T74] netlink_sendmsg+0x723/0xbe0 [ 1003.042098][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1003.042098][ T74] ___sys_sendmsg+0xee/0x170 [ 1003.042098][ T74] __sys_sendmsg+0xcd/0x170 [ 1003.042098][ T74] do_syscall_64+0xc6/0x1e0 [ 1003.042098][ T74] [ 1003.044370][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1003.044370][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1003.044370][ T74] ipv6_find_idev+0x102/0x170 [ 1003.044370][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1003.044370][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1003.044370][ T74] netlink_rcv_skb+0x130/0x360 [ 1003.044370][ T74] netlink_unicast+0x449/0x710 [ 1003.044370][ T74] netlink_sendmsg+0x723/0xbe0 [ 1003.044370][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1003.044370][ T74] ___sys_sendmsg+0xee/0x170 [ 1003.044370][ T74] __sys_sendmsg+0xcd/0x170 [ 1003.044370][ T74] do_syscall_64+0xc6/0x1e0 [ 1003.044370][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1003.044370][ T74] [ 1003.046231][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1003.046231][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1003.046231][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1003.046231][ T74] ipv6_find_idev+0x102/0x170 [ 1003.046231][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1003.046231][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1003.046231][ T74] netlink_rcv_skb+0x130/0x360 [ 1003.046231][ T74] netlink_unicast+0x449/0x710 [ 1003.046231][ T74] netlink_sendmsg+0x723/0xbe0 [ 1003.046231][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1003.046231][ T74] ___sys_sendmsg+0xee/0x170 [ 1003.046231][ T74] __sys_sendmsg+0xcd/0x170 [ 1003.046231][ T74] do_syscall_64+0xc6/0x1e0 [ 1003.046231][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1003.046231][ T74] [ 1003.048529][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1003.048906][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1003.048906][ T74] dst_init+0x84/0x4a0 [ 1003.048906][ T74] dst_alloc+0x97/0x150 [ 1003.048906][ T74] ip6_dst_alloc+0x23/0x90 [ 1003.048906][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1003.048906][ T74] ip6_pol_route+0x56f/0x840 [ 1003.048906][ T74] fib6_rule_lookup+0x456/0x630 [ 1003.048906][ T74] ip6_route_input+0x59c/0xa50 [ 1003.048906][ T74] ipv6_rcv+0x397/0x810 [ 1003.048906][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1003.048906][ T74] process_backlog+0x101/0x620 [ 1003.048906][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1003.048906][ T74] net_rx_action+0x495/0xbe0 [ 1003.048906][ T74] __do_softirq+0x1b5/0x7f6 [ 1003.048906][ T74] [ 1003.050774][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1003.050774][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1003.050774][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1003.050774][ T74] fib6_nh_init+0xa22/0x1580 [ 1003.050774][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1003.050774][ T74] ip6_route_add+0x1c/0x140 [ 1003.050774][ T74] inet6_rtm_newroute+0x104/0x110 [ 1003.050774][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1003.050774][ T74] netlink_rcv_skb+0x130/0x360 [ 1003.050774][ T74] netlink_unicast+0x449/0x710 [ 1003.050774][ T74] netlink_sendmsg+0x723/0xbe0 [ 1003.050774][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1003.050774][ T74] ___sys_sendmsg+0xee/0x170 [ 1003.050774][ T74] __sys_sendmsg+0xcd/0x170 [ 1003.050774][ T74] do_syscall_64+0xc6/0x1e0 [ 1003.050774][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1003.050774][ T74] [ 1003.052954][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1003.052954][ T74] netdev_get_by_index+0x5e/0x80 [ 1003.052954][ T74] fib6_nh_init+0x3d8/0x1580 [ 1003.052954][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1003.052954][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1003.052954][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1003.052954][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1003.052954][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1003.052954][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1003.052954][ T74] addrconf_dad_begin+0x310/0x670 [ 1003.052954][ T74] addrconf_dad_work+0x10b/0xab0 [ 1003.052954][ T74] process_one_work+0x84d/0x18a0 [ 1003.052954][ T74] worker_thread+0x587/0xd30 [ 1003.052954][ T74] kthread+0x28a/0x350 [ 1003.052954][ T74] ret_from_fork+0x31/0x70 [ 1003.052954][ T74] ret_from_fork_asm+0x1a/0x30 [ 1003.052954][ T74] [ 1003.055470][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1003.055470][ T74] netdev_get_by_index+0x5e/0x80 [ 1003.055470][ T74] fib6_nh_init+0x3d8/0x1580 [ 1003.055470][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1003.055470][ T74] ip6_route_add+0x1c/0x140 [ 1003.055470][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1003.055470][ T74] inet6_addr_add+0x4f8/0xa40 [ 1003.055470][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1003.055470][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1003.055470][ T74] netlink_rcv_skb+0x130/0x360 [ 1003.055470][ T74] netlink_unicast+0x449/0x710 [ 1003.055470][ T74] netlink_sendmsg+0x723/0xbe0 [ 1003.055470][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1003.055470][ T74] ___sys_sendmsg+0xee/0x170 [ 1003.055470][ T74] __sys_sendmsg+0xcd/0x170 [ 1003.055470][ T74] do_syscall_64+0xc6/0x1e0 [ 1003.055470][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1003.055470][ T74] [ 1003.057908][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1003.057908][ T74] netdev_get_by_index+0x5e/0x80 [ 1003.057908][ T74] fib6_nh_init+0x3d8/0x1580 [ 1003.057908][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1003.057908][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1003.057908][ T74] ipv6_add_addr+0x411/0x2000 [ 1003.057908][ T74] inet6_addr_add+0x30e/0xa40 [ 1003.057908][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1003.057908][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1003.057908][ T74] netlink_rcv_skb+0x130/0x360 [ 1003.057908][ T74] netlink_unicast+0x449/0x710 [ 1003.057908][ T74] netlink_sendmsg+0x723/0xbe0 [ 1003.057908][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1003.057908][ T74] ___sys_sendmsg+0xee/0x170 [ 1003.057908][ T74] __sys_sendmsg+0xcd/0x170 [ 1003.057908][ T74] do_syscall_64+0xc6/0x1e0 [ 1003.057908][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1003.057908][ T74] [ 1003.060579][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1003.060579][ T74] netdev_get_by_index+0x5e/0x80 [ 1003.060579][ T74] fib6_nh_init+0x3d8/0x1580 [ 1003.060579][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1003.060579][ T74] ip6_route_add+0x1c/0x140 [ 1003.060579][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1003.060579][ T74] addrconf_add_dev+0xe2/0x170 [ 1003.060579][ T74] inet6_addr_add+0x12f/0xa40 [ 1003.060579][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1003.060579][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1003.060579][ T74] netlink_rcv_skb+0x130/0x360 [ 1003.060579][ T74] netlink_unicast+0x449/0x710 [ 1003.060579][ T74] netlink_sendmsg+0x723/0xbe0 [ 1003.060579][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1003.060579][ T74] ___sys_sendmsg+0xee/0x170 [ 1003.060579][ T74] __sys_sendmsg+0xcd/0x170 [ 1003.060579][ T74] do_syscall_64+0xc6/0x1e0 [ 1003.060579][ T74] [ 1003.063287][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1003.063287][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1003.063287][ T74] ipv6_find_idev+0x102/0x170 [ 1003.063287][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1003.063287][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1003.063287][ T74] netlink_rcv_skb+0x130/0x360 [ 1003.063287][ T74] netlink_unicast+0x449/0x710 [ 1003.063287][ T74] netlink_sendmsg+0x723/0xbe0 [ 1003.063287][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1003.063287][ T74] ___sys_sendmsg+0xee/0x170 [ 1003.063287][ T74] __sys_sendmsg+0xcd/0x170 [ 1003.063287][ T74] do_syscall_64+0xc6/0x1e0 [ 1003.063287][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1003.063287][ T74] [ 1003.065344][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1003.065344][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1003.065344][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1003.065344][ T74] ipv6_find_idev+0x102/0x170 [ 1003.065344][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1003.065344][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1003.065344][ T74] netlink_rcv_skb+0x130/0x360 [ 1003.065344][ T74] netlink_unicast+0x449/0x710 [ 1003.065344][ T74] netlink_sendmsg+0x723/0xbe0 [ 1003.065344][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1003.065344][ T74] ___sys_sendmsg+0xee/0x170 [ 1003.065344][ T74] __sys_sendmsg+0xcd/0x170 [ 1003.065344][ T74] do_syscall_64+0xc6/0x1e0 [ 1003.065344][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1003.065344][ T74] [ 1003.067522][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1003.067853][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1003.067853][ T74] netdev_get_by_index+0x5e/0x80 [ 1003.067853][ T74] fib6_nh_init+0x3d8/0x1580 [ 1003.067853][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1003.067853][ T74] ip6_route_add+0x1c/0x140 [ 1003.067853][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1003.067853][ T74] inet6_addr_add+0x4f8/0xa40 [ 1003.067853][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1003.067853][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1003.067853][ T74] netlink_rcv_skb+0x130/0x360 [ 1003.067853][ T74] netlink_unicast+0x449/0x710 [ 1003.067853][ T74] netlink_sendmsg+0x723/0xbe0 [ 1003.067853][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1003.067853][ T74] ___sys_sendmsg+0xee/0x170 [ 1003.067853][ T74] __sys_sendmsg+0xcd/0x170 [ 1003.067853][ T74] do_syscall_64+0xc6/0x1e0 [ 1003.067853][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1003.067853][ T74] [ 1003.070513][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1003.070513][ T74] netdev_get_by_index+0x5e/0x80 [ 1003.070513][ T74] fib6_nh_init+0x3d8/0x1580 [ 1003.070513][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1003.070513][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1003.070513][ T74] ipv6_add_addr+0x411/0x2000 [ 1003.070513][ T74] inet6_addr_add+0x30e/0xa40 [ 1003.070513][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1003.070513][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1003.070513][ T74] netlink_rcv_skb+0x130/0x360 [ 1003.070513][ T74] netlink_unicast+0x449/0x710 [ 1003.070513][ T74] netlink_sendmsg+0x723/0xbe0 [ 1003.070513][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1003.070513][ T74] ___sys_sendmsg+0xee/0x170 [ 1003.070513][ T74] __sys_sendmsg+0xcd/0x170 [ 1003.070513][ T74] do_syscall_64+0xc6/0x1e0 [ 1003.070513][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1003.070513][ T74] [ 1003.072873][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1003.072873][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1003.072873][ T74] ipv6_find_idev+0x102/0x170 [ 1003.072873][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1003.072873][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1003.072873][ T74] netlink_rcv_skb+0x130/0x360 [ 1003.072873][ T74] netlink_unicast+0x449/0x710 [ 1003.072873][ T74] netlink_sendmsg+0x723/0xbe0 [ 1003.072873][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1003.072873][ T74] ___sys_sendmsg+0xee/0x170 [ 1003.072873][ T74] __sys_sendmsg+0xcd/0x170 [ 1003.072873][ T74] do_syscall_64+0xc6/0x1e0 [ 1003.072873][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1003.072873][ T74] [ 1003.074941][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1003.074941][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1003.074941][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1003.074941][ T74] ipv6_find_idev+0x102/0x170 [ 1003.074941][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1003.074941][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1003.074941][ T74] netlink_rcv_skb+0x130/0x360 [ 1003.074941][ T74] netlink_unicast+0x449/0x710 [ 1003.074941][ T74] netlink_sendmsg+0x723/0xbe0 [ 1003.074941][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1003.074941][ T74] ___sys_sendmsg+0xee/0x170 [ 1003.074941][ T74] __sys_sendmsg+0xcd/0x170 [ 1003.074941][ T74] do_syscall_64+0xc6/0x1e0 [ 1003.074941][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1003.074941][ T74] [ 1013.207872][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1013.208298][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1013.208298][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1013.208298][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1013.208298][ T74] fib6_nh_init+0xa22/0x1580 [ 1013.208298][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1013.208298][ T74] ip6_route_add+0x1c/0x140 [ 1013.208298][ T74] inet6_rtm_newroute+0x104/0x110 [ 1013.208298][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1013.208298][ T74] netlink_rcv_skb+0x130/0x360 [ 1013.208298][ T74] netlink_unicast+0x449/0x710 [ 1013.208298][ T74] netlink_sendmsg+0x723/0xbe0 [ 1013.208298][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1013.208298][ T74] ___sys_sendmsg+0xee/0x170 [ 1013.208298][ T74] __sys_sendmsg+0xcd/0x170 [ 1013.208298][ T74] do_syscall_64+0xc6/0x1e0 [ 1013.208298][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1013.208298][ T74] [ 1013.210451][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1013.210451][ T74] netdev_get_by_index+0x5e/0x80 [ 1013.210451][ T74] fib6_nh_init+0x3d8/0x1580 [ 1013.210451][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1013.210451][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1013.210451][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1013.210451][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1013.210451][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1013.210451][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1013.210451][ T74] addrconf_dad_begin+0x310/0x670 [ 1013.210451][ T74] addrconf_dad_work+0x10b/0xab0 [ 1013.210451][ T74] process_one_work+0x84d/0x18a0 [ 1013.210451][ T74] worker_thread+0x587/0xd30 [ 1013.210451][ T74] kthread+0x28a/0x350 [ 1013.210451][ T74] ret_from_fork+0x31/0x70 [ 1013.210451][ T74] ret_from_fork_asm+0x1a/0x30 [ 1013.210451][ T74] [ 1013.212662][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1013.212662][ T74] netdev_get_by_index+0x5e/0x80 [ 1013.212662][ T74] fib6_nh_init+0x3d8/0x1580 [ 1013.212662][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1013.212662][ T74] ip6_route_add+0x1c/0x140 [ 1013.212662][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1013.212662][ T74] inet6_addr_add+0x4f8/0xa40 [ 1013.212662][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1013.212662][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1013.212662][ T74] netlink_rcv_skb+0x130/0x360 [ 1013.212662][ T74] netlink_unicast+0x449/0x710 [ 1013.212662][ T74] netlink_sendmsg+0x723/0xbe0 [ 1013.212662][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1013.212662][ T74] ___sys_sendmsg+0xee/0x170 [ 1013.212662][ T74] __sys_sendmsg+0xcd/0x170 [ 1013.212662][ T74] do_syscall_64+0xc6/0x1e0 [ 1013.212662][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1013.212662][ T74] [ 1013.214962][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1013.214962][ T74] netdev_get_by_index+0x5e/0x80 [ 1013.214962][ T74] fib6_nh_init+0x3d8/0x1580 [ 1013.214962][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1013.214962][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1013.214962][ T74] ipv6_add_addr+0x411/0x2000 [ 1013.214962][ T74] inet6_addr_add+0x30e/0xa40 [ 1013.214962][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1013.214962][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1013.214962][ T74] netlink_rcv_skb+0x130/0x360 [ 1013.214962][ T74] netlink_unicast+0x449/0x710 [ 1013.214962][ T74] netlink_sendmsg+0x723/0xbe0 [ 1013.214962][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1013.214962][ T74] ___sys_sendmsg+0xee/0x170 [ 1013.214962][ T74] __sys_sendmsg+0xcd/0x170 [ 1013.214962][ T74] do_syscall_64+0xc6/0x1e0 [ 1013.214962][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1013.214962][ T74] [ 1013.217178][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1013.217178][ T74] netdev_get_by_index+0x5e/0x80 [ 1013.217178][ T74] fib6_nh_init+0x3d8/0x1580 [ 1013.217178][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1013.217178][ T74] ip6_route_add+0x1c/0x140 [ 1013.217178][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1013.217178][ T74] addrconf_add_dev+0xe2/0x170 [ 1013.217178][ T74] inet6_addr_add+0x12f/0xa40 [ 1013.217178][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1013.217178][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1013.217178][ T74] netlink_rcv_skb+0x130/0x360 [ 1013.217178][ T74] netlink_unicast+0x449/0x710 [ 1013.217178][ T74] netlink_sendmsg+0x723/0xbe0 [ 1013.217178][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1013.217178][ T74] ___sys_sendmsg+0xee/0x170 [ 1013.217178][ T74] __sys_sendmsg+0xcd/0x170 [ 1013.217178][ T74] do_syscall_64+0xc6/0x1e0 [ 1013.217178][ T74] [ 1013.219371][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1013.219371][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1013.219371][ T74] ipv6_find_idev+0x102/0x170 [ 1013.219371][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1013.219371][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1013.219371][ T74] netlink_rcv_skb+0x130/0x360 [ 1013.219371][ T74] netlink_unicast+0x449/0x710 [ 1013.219371][ T74] netlink_sendmsg+0x723/0xbe0 [ 1013.219371][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1013.219371][ T74] ___sys_sendmsg+0xee/0x170 [ 1013.219371][ T74] __sys_sendmsg+0xcd/0x170 [ 1013.219371][ T74] do_syscall_64+0xc6/0x1e0 [ 1013.219371][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1013.219371][ T74] [ 1013.221101][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1013.221101][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1013.221101][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1013.221101][ T74] ipv6_find_idev+0x102/0x170 [ 1013.221101][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1013.221101][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1013.221101][ T74] netlink_rcv_skb+0x130/0x360 [ 1013.221101][ T74] netlink_unicast+0x449/0x710 [ 1013.221101][ T74] netlink_sendmsg+0x723/0xbe0 [ 1013.221101][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1013.221101][ T74] ___sys_sendmsg+0xee/0x170 [ 1013.221101][ T74] __sys_sendmsg+0xcd/0x170 [ 1013.221101][ T74] do_syscall_64+0xc6/0x1e0 [ 1013.221101][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1013.221101][ T74] [ 1013.223019][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1013.223321][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1013.223321][ T74] dst_init+0x84/0x4a0 [ 1013.223321][ T74] dst_alloc+0x97/0x150 [ 1013.223321][ T74] ip6_dst_alloc+0x23/0x90 [ 1013.223321][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1013.223321][ T74] ip6_pol_route+0x56f/0x840 [ 1013.223321][ T74] fib6_rule_lookup+0x456/0x630 [ 1013.223321][ T74] ip6_route_input+0x59c/0xa50 [ 1013.223321][ T74] ipv6_rcv+0x397/0x810 [ 1013.223321][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1013.223321][ T74] process_backlog+0x101/0x620 [ 1013.223321][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1013.223321][ T74] net_rx_action+0x495/0xbe0 [ 1013.223321][ T74] __do_softirq+0x1b5/0x7f6 [ 1013.223321][ T74] [ 1013.225401][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1013.225401][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1013.225401][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1013.225401][ T74] fib6_nh_init+0xa22/0x1580 [ 1013.225401][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1013.225401][ T74] ip6_route_add+0x1c/0x140 [ 1013.225401][ T74] inet6_rtm_newroute+0x104/0x110 [ 1013.225401][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1013.225401][ T74] netlink_rcv_skb+0x130/0x360 [ 1013.225401][ T74] netlink_unicast+0x449/0x710 [ 1013.225401][ T74] netlink_sendmsg+0x723/0xbe0 [ 1013.225401][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1013.225401][ T74] ___sys_sendmsg+0xee/0x170 [ 1013.225401][ T74] __sys_sendmsg+0xcd/0x170 [ 1013.225401][ T74] do_syscall_64+0xc6/0x1e0 [ 1013.225401][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1013.225401][ T74] [ 1013.227879][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1013.227879][ T74] netdev_get_by_index+0x5e/0x80 [ 1013.227879][ T74] fib6_nh_init+0x3d8/0x1580 [ 1013.227879][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1013.227879][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1013.227879][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1013.227879][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1013.227879][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1013.227879][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1013.227879][ T74] addrconf_dad_begin+0x310/0x670 [ 1013.227879][ T74] addrconf_dad_work+0x10b/0xab0 [ 1013.227879][ T74] process_one_work+0x84d/0x18a0 [ 1013.227879][ T74] worker_thread+0x587/0xd30 [ 1013.227879][ T74] kthread+0x28a/0x350 [ 1013.227879][ T74] ret_from_fork+0x31/0x70 [ 1013.227879][ T74] ret_from_fork_asm+0x1a/0x30 [ 1013.227879][ T74] [ 1013.230267][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1013.230267][ T74] netdev_get_by_index+0x5e/0x80 [ 1013.230267][ T74] fib6_nh_init+0x3d8/0x1580 [ 1013.230267][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1013.230267][ T74] ip6_route_add+0x1c/0x140 [ 1013.230267][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1013.230267][ T74] inet6_addr_add+0x4f8/0xa40 [ 1013.230267][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1013.230267][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1013.230267][ T74] netlink_rcv_skb+0x130/0x360 [ 1013.230267][ T74] netlink_unicast+0x449/0x710 [ 1013.230267][ T74] netlink_sendmsg+0x723/0xbe0 [ 1013.230267][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1013.230267][ T74] ___sys_sendmsg+0xee/0x170 [ 1013.230267][ T74] __sys_sendmsg+0xcd/0x170 [ 1013.230267][ T74] do_syscall_64+0xc6/0x1e0 [ 1013.230267][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1013.230267][ T74] [ 1013.232950][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1013.232950][ T74] netdev_get_by_index+0x5e/0x80 [ 1013.232950][ T74] fib6_nh_init+0x3d8/0x1580 [ 1013.232950][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1013.232950][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1013.232950][ T74] ipv6_add_addr+0x411/0x2000 [ 1013.232950][ T74] inet6_addr_add+0x30e/0xa40 [ 1013.232950][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1013.232950][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1013.232950][ T74] netlink_rcv_skb+0x130/0x360 [ 1013.232950][ T74] netlink_unicast+0x449/0x710 [ 1013.232950][ T74] netlink_sendmsg+0x723/0xbe0 [ 1013.232950][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1013.232950][ T74] ___sys_sendmsg+0xee/0x170 [ 1013.232950][ T74] __sys_sendmsg+0xcd/0x170 [ 1013.232950][ T74] do_syscall_64+0xc6/0x1e0 [ 1013.232950][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1013.232950][ T74] [ 1013.235477][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1013.235477][ T74] netdev_get_by_index+0x5e/0x80 [ 1013.235477][ T74] fib6_nh_init+0x3d8/0x1580 [ 1013.235477][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1013.235477][ T74] ip6_route_add+0x1c/0x140 [ 1013.235477][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1013.235477][ T74] addrconf_add_dev+0xe2/0x170 [ 1013.235477][ T74] inet6_addr_add+0x12f/0xa40 [ 1013.235477][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1013.235477][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1013.235477][ T74] netlink_rcv_skb+0x130/0x360 [ 1013.235477][ T74] netlink_unicast+0x449/0x710 [ 1013.235477][ T74] netlink_sendmsg+0x723/0xbe0 [ 1013.235477][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1013.235477][ T74] ___sys_sendmsg+0xee/0x170 [ 1013.235477][ T74] __sys_sendmsg+0xcd/0x170 [ 1013.235477][ T74] do_syscall_64+0xc6/0x1e0 [ 1013.235477][ T74] [ 1013.237792][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1013.237792][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1013.237792][ T74] ipv6_find_idev+0x102/0x170 [ 1013.237792][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1013.237792][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1013.237792][ T74] netlink_rcv_skb+0x130/0x360 [ 1013.237792][ T74] netlink_unicast+0x449/0x710 [ 1013.237792][ T74] netlink_sendmsg+0x723/0xbe0 [ 1013.237792][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1013.237792][ T74] ___sys_sendmsg+0xee/0x170 [ 1013.237792][ T74] __sys_sendmsg+0xcd/0x170 [ 1013.237792][ T74] do_syscall_64+0xc6/0x1e0 [ 1013.237792][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1013.237792][ T74] [ 1013.239899][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1013.239899][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1013.239899][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1013.239899][ T74] ipv6_find_idev+0x102/0x170 [ 1013.239899][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1013.239899][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1013.239899][ T74] netlink_rcv_skb+0x130/0x360 [ 1013.239899][ T74] netlink_unicast+0x449/0x710 [ 1013.239899][ T74] netlink_sendmsg+0x723/0xbe0 [ 1013.239899][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1013.239899][ T74] ___sys_sendmsg+0xee/0x170 [ 1013.239899][ T74] __sys_sendmsg+0xcd/0x170 [ 1013.239899][ T74] do_syscall_64+0xc6/0x1e0 [ 1013.239899][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1013.239899][ T74] [ 1013.242017][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1013.242297][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1013.242297][ T74] netdev_get_by_index+0x5e/0x80 [ 1013.242297][ T74] fib6_nh_init+0x3d8/0x1580 [ 1013.242297][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1013.242297][ T74] ip6_route_add+0x1c/0x140 [ 1013.242297][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1013.242297][ T74] inet6_addr_add+0x4f8/0xa40 [ 1013.242297][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1013.242297][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1013.242297][ T74] netlink_rcv_skb+0x130/0x360 [ 1013.242297][ T74] netlink_unicast+0x449/0x710 [ 1013.242297][ T74] netlink_sendmsg+0x723/0xbe0 [ 1013.242297][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1013.242297][ T74] ___sys_sendmsg+0xee/0x170 [ 1013.242297][ T74] __sys_sendmsg+0xcd/0x170 [ 1013.242297][ T74] do_syscall_64+0xc6/0x1e0 [ 1013.242297][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1013.242297][ T74] [ 1013.244576][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1013.244576][ T74] netdev_get_by_index+0x5e/0x80 [ 1013.244576][ T74] fib6_nh_init+0x3d8/0x1580 [ 1013.244576][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1013.244576][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1013.244576][ T74] ipv6_add_addr+0x411/0x2000 [ 1013.244576][ T74] inet6_addr_add+0x30e/0xa40 [ 1013.244576][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1013.244576][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1013.244576][ T74] netlink_rcv_skb+0x130/0x360 [ 1013.244576][ T74] netlink_unicast+0x449/0x710 [ 1013.244576][ T74] netlink_sendmsg+0x723/0xbe0 [ 1013.244576][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1013.244576][ T74] ___sys_sendmsg+0xee/0x170 [ 1013.244576][ T74] __sys_sendmsg+0xcd/0x170 [ 1013.244576][ T74] do_syscall_64+0xc6/0x1e0 [ 1013.244576][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1013.244576][ T74] [ 1013.247115][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1013.247115][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1013.247115][ T74] ipv6_find_idev+0x102/0x170 [ 1013.247115][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1013.247115][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1013.247115][ T74] netlink_rcv_skb+0x130/0x360 [ 1013.247115][ T74] netlink_unicast+0x449/0x710 [ 1013.247115][ T74] netlink_sendmsg+0x723/0xbe0 [ 1013.247115][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1013.247115][ T74] ___sys_sendmsg+0xee/0x170 [ 1013.247115][ T74] __sys_sendmsg+0xcd/0x170 [ 1013.247115][ T74] do_syscall_64+0xc6/0x1e0 [ 1013.247115][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1013.247115][ T74] [ 1013.248998][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1013.248998][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1013.248998][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1013.248998][ T74] ipv6_find_idev+0x102/0x170 [ 1013.248998][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1013.248998][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1013.248998][ T74] netlink_rcv_skb+0x130/0x360 [ 1013.248998][ T74] netlink_unicast+0x449/0x710 [ 1013.248998][ T74] netlink_sendmsg+0x723/0xbe0 [ 1013.248998][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1013.248998][ T74] ___sys_sendmsg+0xee/0x170 [ 1013.248998][ T74] __sys_sendmsg+0xcd/0x170 [ 1013.248998][ T74] do_syscall_64+0xc6/0x1e0 [ 1013.248998][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1013.248998][ T74] [ 1023.439880][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1023.440237][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1023.440237][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1023.440237][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1023.440237][ T74] fib6_nh_init+0xa22/0x1580 [ 1023.440237][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1023.440237][ T74] ip6_route_add+0x1c/0x140 [ 1023.440237][ T74] inet6_rtm_newroute+0x104/0x110 [ 1023.440237][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1023.440237][ T74] netlink_rcv_skb+0x130/0x360 [ 1023.440237][ T74] netlink_unicast+0x449/0x710 [ 1023.440237][ T74] netlink_sendmsg+0x723/0xbe0 [ 1023.440237][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1023.440237][ T74] ___sys_sendmsg+0xee/0x170 [ 1023.440237][ T74] __sys_sendmsg+0xcd/0x170 [ 1023.440237][ T74] do_syscall_64+0xc6/0x1e0 [ 1023.440237][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1023.440237][ T74] [ 1023.442365][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1023.442365][ T74] netdev_get_by_index+0x5e/0x80 [ 1023.442365][ T74] fib6_nh_init+0x3d8/0x1580 [ 1023.442365][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1023.442365][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1023.442365][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1023.442365][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1023.442365][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1023.442365][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1023.442365][ T74] addrconf_dad_begin+0x310/0x670 [ 1023.442365][ T74] addrconf_dad_work+0x10b/0xab0 [ 1023.442365][ T74] process_one_work+0x84d/0x18a0 [ 1023.442365][ T74] worker_thread+0x587/0xd30 [ 1023.442365][ T74] kthread+0x28a/0x350 [ 1023.442365][ T74] ret_from_fork+0x31/0x70 [ 1023.442365][ T74] ret_from_fork_asm+0x1a/0x30 [ 1023.442365][ T74] [ 1023.444565][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1023.444565][ T74] netdev_get_by_index+0x5e/0x80 [ 1023.444565][ T74] fib6_nh_init+0x3d8/0x1580 [ 1023.444565][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1023.444565][ T74] ip6_route_add+0x1c/0x140 [ 1023.444565][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1023.444565][ T74] inet6_addr_add+0x4f8/0xa40 [ 1023.444565][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1023.444565][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1023.444565][ T74] netlink_rcv_skb+0x130/0x360 [ 1023.444565][ T74] netlink_unicast+0x449/0x710 [ 1023.444565][ T74] netlink_sendmsg+0x723/0xbe0 [ 1023.444565][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1023.444565][ T74] ___sys_sendmsg+0xee/0x170 [ 1023.444565][ T74] __sys_sendmsg+0xcd/0x170 [ 1023.444565][ T74] do_syscall_64+0xc6/0x1e0 [ 1023.444565][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1023.444565][ T74] [ 1023.446817][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1023.446817][ T74] netdev_get_by_index+0x5e/0x80 [ 1023.446817][ T74] fib6_nh_init+0x3d8/0x1580 [ 1023.446817][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1023.446817][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1023.446817][ T74] ipv6_add_addr+0x411/0x2000 [ 1023.446817][ T74] inet6_addr_add+0x30e/0xa40 [ 1023.446817][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1023.446817][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1023.446817][ T74] netlink_rcv_skb+0x130/0x360 [ 1023.446817][ T74] netlink_unicast+0x449/0x710 [ 1023.446817][ T74] netlink_sendmsg+0x723/0xbe0 [ 1023.446817][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1023.446817][ T74] ___sys_sendmsg+0xee/0x170 [ 1023.446817][ T74] __sys_sendmsg+0xcd/0x170 [ 1023.446817][ T74] do_syscall_64+0xc6/0x1e0 [ 1023.446817][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1023.446817][ T74] [ 1023.449099][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1023.449099][ T74] netdev_get_by_index+0x5e/0x80 [ 1023.449099][ T74] fib6_nh_init+0x3d8/0x1580 [ 1023.449099][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1023.449099][ T74] ip6_route_add+0x1c/0x140 [ 1023.449099][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1023.449099][ T74] addrconf_add_dev+0xe2/0x170 [ 1023.449099][ T74] inet6_addr_add+0x12f/0xa40 [ 1023.449099][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1023.449099][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1023.449099][ T74] netlink_rcv_skb+0x130/0x360 [ 1023.449099][ T74] netlink_unicast+0x449/0x710 [ 1023.449099][ T74] netlink_sendmsg+0x723/0xbe0 [ 1023.449099][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1023.449099][ T74] ___sys_sendmsg+0xee/0x170 [ 1023.449099][ T74] __sys_sendmsg+0xcd/0x170 [ 1023.449099][ T74] do_syscall_64+0xc6/0x1e0 [ 1023.449099][ T74] [ 1023.451363][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1023.451363][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1023.451363][ T74] ipv6_find_idev+0x102/0x170 [ 1023.451363][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1023.451363][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1023.451363][ T74] netlink_rcv_skb+0x130/0x360 [ 1023.451363][ T74] netlink_unicast+0x449/0x710 [ 1023.451363][ T74] netlink_sendmsg+0x723/0xbe0 [ 1023.451363][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1023.451363][ T74] ___sys_sendmsg+0xee/0x170 [ 1023.451363][ T74] __sys_sendmsg+0xcd/0x170 [ 1023.451363][ T74] do_syscall_64+0xc6/0x1e0 [ 1023.451363][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1023.451363][ T74] [ 1023.453110][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1023.453110][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1023.453110][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1023.453110][ T74] ipv6_find_idev+0x102/0x170 [ 1023.453110][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1023.453110][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1023.453110][ T74] netlink_rcv_skb+0x130/0x360 [ 1023.453110][ T74] netlink_unicast+0x449/0x710 [ 1023.453110][ T74] netlink_sendmsg+0x723/0xbe0 [ 1023.453110][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1023.453110][ T74] ___sys_sendmsg+0xee/0x170 [ 1023.453110][ T74] __sys_sendmsg+0xcd/0x170 [ 1023.453110][ T74] do_syscall_64+0xc6/0x1e0 [ 1023.453110][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1023.453110][ T74] [ 1023.455463][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1023.455790][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1023.455790][ T74] dst_init+0x84/0x4a0 [ 1023.455790][ T74] dst_alloc+0x97/0x150 [ 1023.455790][ T74] ip6_dst_alloc+0x23/0x90 [ 1023.455790][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1023.455790][ T74] ip6_pol_route+0x56f/0x840 [ 1023.455790][ T74] fib6_rule_lookup+0x456/0x630 [ 1023.455790][ T74] ip6_route_input+0x59c/0xa50 [ 1023.455790][ T74] ipv6_rcv+0x397/0x810 [ 1023.455790][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1023.455790][ T74] process_backlog+0x101/0x620 [ 1023.455790][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1023.455790][ T74] net_rx_action+0x495/0xbe0 [ 1023.455790][ T74] __do_softirq+0x1b5/0x7f6 [ 1023.455790][ T74] [ 1023.457786][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1023.457786][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1023.457786][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1023.457786][ T74] fib6_nh_init+0xa22/0x1580 [ 1023.457786][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1023.457786][ T74] ip6_route_add+0x1c/0x140 [ 1023.457786][ T74] inet6_rtm_newroute+0x104/0x110 [ 1023.457786][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1023.457786][ T74] netlink_rcv_skb+0x130/0x360 [ 1023.457786][ T74] netlink_unicast+0x449/0x710 [ 1023.457786][ T74] netlink_sendmsg+0x723/0xbe0 [ 1023.457786][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1023.457786][ T74] ___sys_sendmsg+0xee/0x170 [ 1023.457786][ T74] __sys_sendmsg+0xcd/0x170 [ 1023.457786][ T74] do_syscall_64+0xc6/0x1e0 [ 1023.457786][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1023.457786][ T74] [ 1023.460297][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1023.460297][ T74] netdev_get_by_index+0x5e/0x80 [ 1023.460297][ T74] fib6_nh_init+0x3d8/0x1580 [ 1023.460297][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1023.460297][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1023.460297][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1023.460297][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1023.460297][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1023.460297][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1023.460297][ T74] addrconf_dad_begin+0x310/0x670 [ 1023.460297][ T74] addrconf_dad_work+0x10b/0xab0 [ 1023.460297][ T74] process_one_work+0x84d/0x18a0 [ 1023.460297][ T74] worker_thread+0x587/0xd30 [ 1023.460297][ T74] kthread+0x28a/0x350 [ 1023.460297][ T74] ret_from_fork+0x31/0x70 [ 1023.460297][ T74] ret_from_fork_asm+0x1a/0x30 [ 1023.460297][ T74] [ 1023.462799][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1023.462799][ T74] netdev_get_by_index+0x5e/0x80 [ 1023.462799][ T74] fib6_nh_init+0x3d8/0x1580 [ 1023.462799][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1023.462799][ T74] ip6_route_add+0x1c/0x140 [ 1023.462799][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1023.462799][ T74] inet6_addr_add+0x4f8/0xa40 [ 1023.462799][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1023.462799][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1023.462799][ T74] netlink_rcv_skb+0x130/0x360 [ 1023.462799][ T74] netlink_unicast+0x449/0x710 [ 1023.462799][ T74] netlink_sendmsg+0x723/0xbe0 [ 1023.462799][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1023.462799][ T74] ___sys_sendmsg+0xee/0x170 [ 1023.462799][ T74] __sys_sendmsg+0xcd/0x170 [ 1023.462799][ T74] do_syscall_64+0xc6/0x1e0 [ 1023.462799][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1023.462799][ T74] [ 1023.465513][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1023.465513][ T74] netdev_get_by_index+0x5e/0x80 [ 1023.465513][ T74] fib6_nh_init+0x3d8/0x1580 [ 1023.465513][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1023.465513][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1023.465513][ T74] ipv6_add_addr+0x411/0x2000 [ 1023.465513][ T74] inet6_addr_add+0x30e/0xa40 [ 1023.465513][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1023.465513][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1023.465513][ T74] netlink_rcv_skb+0x130/0x360 [ 1023.465513][ T74] netlink_unicast+0x449/0x710 [ 1023.465513][ T74] netlink_sendmsg+0x723/0xbe0 [ 1023.465513][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1023.465513][ T74] ___sys_sendmsg+0xee/0x170 [ 1023.465513][ T74] __sys_sendmsg+0xcd/0x170 [ 1023.465513][ T74] do_syscall_64+0xc6/0x1e0 [ 1023.465513][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1023.465513][ T74] [ 1023.468551][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1023.468551][ T74] netdev_get_by_index+0x5e/0x80 [ 1023.468551][ T74] fib6_nh_init+0x3d8/0x1580 [ 1023.468551][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1023.468551][ T74] ip6_route_add+0x1c/0x140 [ 1023.468551][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1023.468551][ T74] addrconf_add_dev+0xe2/0x170 [ 1023.468551][ T74] inet6_addr_add+0x12f/0xa40 [ 1023.468551][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1023.468551][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1023.468551][ T74] netlink_rcv_skb+0x130/0x360 [ 1023.468551][ T74] netlink_unicast+0x449/0x710 [ 1023.468551][ T74] netlink_sendmsg+0x723/0xbe0 [ 1023.468551][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1023.468551][ T74] ___sys_sendmsg+0xee/0x170 [ 1023.468551][ T74] __sys_sendmsg+0xcd/0x170 [ 1023.468551][ T74] do_syscall_64+0xc6/0x1e0 [ 1023.468551][ T74] [ 1023.471203][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1023.471203][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1023.471203][ T74] ipv6_find_idev+0x102/0x170 [ 1023.471203][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1023.471203][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1023.471203][ T74] netlink_rcv_skb+0x130/0x360 [ 1023.471203][ T74] netlink_unicast+0x449/0x710 [ 1023.471203][ T74] netlink_sendmsg+0x723/0xbe0 [ 1023.471203][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1023.471203][ T74] ___sys_sendmsg+0xee/0x170 [ 1023.471203][ T74] __sys_sendmsg+0xcd/0x170 [ 1023.471203][ T74] do_syscall_64+0xc6/0x1e0 [ 1023.471203][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1023.471203][ T74] [ 1023.473362][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1023.473362][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1023.473362][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1023.473362][ T74] ipv6_find_idev+0x102/0x170 [ 1023.473362][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1023.473362][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1023.473362][ T74] netlink_rcv_skb+0x130/0x360 [ 1023.473362][ T74] netlink_unicast+0x449/0x710 [ 1023.473362][ T74] netlink_sendmsg+0x723/0xbe0 [ 1023.473362][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1023.473362][ T74] ___sys_sendmsg+0xee/0x170 [ 1023.473362][ T74] __sys_sendmsg+0xcd/0x170 [ 1023.473362][ T74] do_syscall_64+0xc6/0x1e0 [ 1023.473362][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1023.473362][ T74] [ 1023.475808][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1023.476148][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1023.476148][ T74] netdev_get_by_index+0x5e/0x80 [ 1023.476148][ T74] fib6_nh_init+0x3d8/0x1580 [ 1023.476148][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1023.476148][ T74] ip6_route_add+0x1c/0x140 [ 1023.476148][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1023.476148][ T74] inet6_addr_add+0x4f8/0xa40 [ 1023.476148][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1023.476148][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1023.476148][ T74] netlink_rcv_skb+0x130/0x360 [ 1023.476148][ T74] netlink_unicast+0x449/0x710 [ 1023.476148][ T74] netlink_sendmsg+0x723/0xbe0 [ 1023.476148][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1023.476148][ T74] ___sys_sendmsg+0xee/0x170 [ 1023.476148][ T74] __sys_sendmsg+0xcd/0x170 [ 1023.476148][ T74] do_syscall_64+0xc6/0x1e0 [ 1023.476148][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1023.476148][ T74] [ 1023.478750][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1023.478750][ T74] netdev_get_by_index+0x5e/0x80 [ 1023.478750][ T74] fib6_nh_init+0x3d8/0x1580 [ 1023.478750][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1023.478750][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1023.478750][ T74] ipv6_add_addr+0x411/0x2000 [ 1023.478750][ T74] inet6_addr_add+0x30e/0xa40 [ 1023.478750][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1023.478750][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1023.478750][ T74] netlink_rcv_skb+0x130/0x360 [ 1023.478750][ T74] netlink_unicast+0x449/0x710 [ 1023.478750][ T74] netlink_sendmsg+0x723/0xbe0 [ 1023.478750][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1023.478750][ T74] ___sys_sendmsg+0xee/0x170 [ 1023.478750][ T74] __sys_sendmsg+0xcd/0x170 [ 1023.478750][ T74] do_syscall_64+0xc6/0x1e0 [ 1023.478750][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1023.478750][ T74] [ 1023.481610][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1023.481610][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1023.481610][ T74] ipv6_find_idev+0x102/0x170 [ 1023.481610][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1023.481610][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1023.481610][ T74] netlink_rcv_skb+0x130/0x360 [ 1023.481610][ T74] netlink_unicast+0x449/0x710 [ 1023.481610][ T74] netlink_sendmsg+0x723/0xbe0 [ 1023.481610][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1023.481610][ T74] ___sys_sendmsg+0xee/0x170 [ 1023.481610][ T74] __sys_sendmsg+0xcd/0x170 [ 1023.481610][ T74] do_syscall_64+0xc6/0x1e0 [ 1023.481610][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1023.481610][ T74] [ 1023.483673][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1023.483673][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1023.483673][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1023.483673][ T74] ipv6_find_idev+0x102/0x170 [ 1023.483673][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1023.483673][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1023.483673][ T74] netlink_rcv_skb+0x130/0x360 [ 1023.483673][ T74] netlink_unicast+0x449/0x710 [ 1023.483673][ T74] netlink_sendmsg+0x723/0xbe0 [ 1023.483673][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1023.483673][ T74] ___sys_sendmsg+0xee/0x170 [ 1023.483673][ T74] __sys_sendmsg+0xcd/0x170 [ 1023.483673][ T74] do_syscall_64+0xc6/0x1e0 [ 1023.483673][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1023.483673][ T74] [ 1033.632865][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1033.633306][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1033.633306][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1033.633306][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1033.633306][ T74] fib6_nh_init+0xa22/0x1580 [ 1033.633306][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1033.633306][ T74] ip6_route_add+0x1c/0x140 [ 1033.633306][ T74] inet6_rtm_newroute+0x104/0x110 [ 1033.633306][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1033.633306][ T74] netlink_rcv_skb+0x130/0x360 [ 1033.633306][ T74] netlink_unicast+0x449/0x710 [ 1033.633306][ T74] netlink_sendmsg+0x723/0xbe0 [ 1033.633306][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1033.633306][ T74] ___sys_sendmsg+0xee/0x170 [ 1033.633306][ T74] __sys_sendmsg+0xcd/0x170 [ 1033.633306][ T74] do_syscall_64+0xc6/0x1e0 [ 1033.633306][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1033.633306][ T74] [ 1033.635424][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1033.635424][ T74] netdev_get_by_index+0x5e/0x80 [ 1033.635424][ T74] fib6_nh_init+0x3d8/0x1580 [ 1033.635424][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1033.635424][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1033.635424][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1033.635424][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1033.635424][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1033.635424][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1033.635424][ T74] addrconf_dad_begin+0x310/0x670 [ 1033.635424][ T74] addrconf_dad_work+0x10b/0xab0 [ 1033.635424][ T74] process_one_work+0x84d/0x18a0 [ 1033.635424][ T74] worker_thread+0x587/0xd30 [ 1033.635424][ T74] kthread+0x28a/0x350 [ 1033.635424][ T74] ret_from_fork+0x31/0x70 [ 1033.635424][ T74] ret_from_fork_asm+0x1a/0x30 [ 1033.635424][ T74] [ 1033.637549][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1033.637549][ T74] netdev_get_by_index+0x5e/0x80 [ 1033.637549][ T74] fib6_nh_init+0x3d8/0x1580 [ 1033.637549][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1033.637549][ T74] ip6_route_add+0x1c/0x140 [ 1033.637549][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1033.637549][ T74] inet6_addr_add+0x4f8/0xa40 [ 1033.637549][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1033.637549][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1033.637549][ T74] netlink_rcv_skb+0x130/0x360 [ 1033.637549][ T74] netlink_unicast+0x449/0x710 [ 1033.637549][ T74] netlink_sendmsg+0x723/0xbe0 [ 1033.637549][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1033.637549][ T74] ___sys_sendmsg+0xee/0x170 [ 1033.637549][ T74] __sys_sendmsg+0xcd/0x170 [ 1033.637549][ T74] do_syscall_64+0xc6/0x1e0 [ 1033.637549][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1033.637549][ T74] [ 1033.639851][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1033.639851][ T74] netdev_get_by_index+0x5e/0x80 [ 1033.639851][ T74] fib6_nh_init+0x3d8/0x1580 [ 1033.639851][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1033.639851][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1033.639851][ T74] ipv6_add_addr+0x411/0x2000 [ 1033.639851][ T74] inet6_addr_add+0x30e/0xa40 [ 1033.639851][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1033.639851][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1033.639851][ T74] netlink_rcv_skb+0x130/0x360 [ 1033.639851][ T74] netlink_unicast+0x449/0x710 [ 1033.639851][ T74] netlink_sendmsg+0x723/0xbe0 [ 1033.639851][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1033.639851][ T74] ___sys_sendmsg+0xee/0x170 [ 1033.639851][ T74] __sys_sendmsg+0xcd/0x170 [ 1033.639851][ T74] do_syscall_64+0xc6/0x1e0 [ 1033.639851][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1033.639851][ T74] [ 1033.642130][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1033.642130][ T74] netdev_get_by_index+0x5e/0x80 [ 1033.642130][ T74] fib6_nh_init+0x3d8/0x1580 [ 1033.642130][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1033.642130][ T74] ip6_route_add+0x1c/0x140 [ 1033.642130][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1033.642130][ T74] addrconf_add_dev+0xe2/0x170 [ 1033.642130][ T74] inet6_addr_add+0x12f/0xa40 [ 1033.642130][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1033.642130][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1033.642130][ T74] netlink_rcv_skb+0x130/0x360 [ 1033.642130][ T74] netlink_unicast+0x449/0x710 [ 1033.642130][ T74] netlink_sendmsg+0x723/0xbe0 [ 1033.642130][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1033.642130][ T74] ___sys_sendmsg+0xee/0x170 [ 1033.642130][ T74] __sys_sendmsg+0xcd/0x170 [ 1033.642130][ T74] do_syscall_64+0xc6/0x1e0 [ 1033.642130][ T74] [ 1033.644380][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1033.644380][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1033.644380][ T74] ipv6_find_idev+0x102/0x170 [ 1033.644380][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1033.644380][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1033.644380][ T74] netlink_rcv_skb+0x130/0x360 [ 1033.644380][ T74] netlink_unicast+0x449/0x710 [ 1033.644380][ T74] netlink_sendmsg+0x723/0xbe0 [ 1033.644380][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1033.644380][ T74] ___sys_sendmsg+0xee/0x170 [ 1033.644380][ T74] __sys_sendmsg+0xcd/0x170 [ 1033.644380][ T74] do_syscall_64+0xc6/0x1e0 [ 1033.644380][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1033.644380][ T74] [ 1033.646136][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1033.646136][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1033.646136][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1033.646136][ T74] ipv6_find_idev+0x102/0x170 [ 1033.646136][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1033.646136][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1033.646136][ T74] netlink_rcv_skb+0x130/0x360 [ 1033.646136][ T74] netlink_unicast+0x449/0x710 [ 1033.646136][ T74] netlink_sendmsg+0x723/0xbe0 [ 1033.646136][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1033.646136][ T74] ___sys_sendmsg+0xee/0x170 [ 1033.646136][ T74] __sys_sendmsg+0xcd/0x170 [ 1033.646136][ T74] do_syscall_64+0xc6/0x1e0 [ 1033.646136][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1033.646136][ T74] [ 1033.648230][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1033.648609][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1033.648609][ T74] dst_init+0x84/0x4a0 [ 1033.648609][ T74] dst_alloc+0x97/0x150 [ 1033.648609][ T74] ip6_dst_alloc+0x23/0x90 [ 1033.648609][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1033.648609][ T74] ip6_pol_route+0x56f/0x840 [ 1033.648609][ T74] fib6_rule_lookup+0x456/0x630 [ 1033.648609][ T74] ip6_route_input+0x59c/0xa50 [ 1033.648609][ T74] ipv6_rcv+0x397/0x810 [ 1033.648609][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1033.648609][ T74] process_backlog+0x101/0x620 [ 1033.648609][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1033.648609][ T74] net_rx_action+0x495/0xbe0 [ 1033.648609][ T74] __do_softirq+0x1b5/0x7f6 [ 1033.648609][ T74] [ 1033.650662][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1033.650662][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1033.650662][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1033.650662][ T74] fib6_nh_init+0xa22/0x1580 [ 1033.650662][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1033.650662][ T74] ip6_route_add+0x1c/0x140 [ 1033.650662][ T74] inet6_rtm_newroute+0x104/0x110 [ 1033.650662][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1033.650662][ T74] netlink_rcv_skb+0x130/0x360 [ 1033.650662][ T74] netlink_unicast+0x449/0x710 [ 1033.650662][ T74] netlink_sendmsg+0x723/0xbe0 [ 1033.650662][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1033.650662][ T74] ___sys_sendmsg+0xee/0x170 [ 1033.650662][ T74] __sys_sendmsg+0xcd/0x170 [ 1033.650662][ T74] do_syscall_64+0xc6/0x1e0 [ 1033.650662][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1033.650662][ T74] [ 1033.653170][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1033.653170][ T74] netdev_get_by_index+0x5e/0x80 [ 1033.653170][ T74] fib6_nh_init+0x3d8/0x1580 [ 1033.653170][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1033.653170][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1033.653170][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1033.653170][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1033.653170][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1033.653170][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1033.653170][ T74] addrconf_dad_begin+0x310/0x670 [ 1033.653170][ T74] addrconf_dad_work+0x10b/0xab0 [ 1033.653170][ T74] process_one_work+0x84d/0x18a0 [ 1033.653170][ T74] worker_thread+0x587/0xd30 [ 1033.653170][ T74] kthread+0x28a/0x350 [ 1033.653170][ T74] ret_from_fork+0x31/0x70 [ 1033.653170][ T74] ret_from_fork_asm+0x1a/0x30 [ 1033.653170][ T74] [ 1033.655534][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1033.655534][ T74] netdev_get_by_index+0x5e/0x80 [ 1033.655534][ T74] fib6_nh_init+0x3d8/0x1580 [ 1033.655534][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1033.655534][ T74] ip6_route_add+0x1c/0x140 [ 1033.655534][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1033.655534][ T74] inet6_addr_add+0x4f8/0xa40 [ 1033.655534][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1033.655534][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1033.655534][ T74] netlink_rcv_skb+0x130/0x360 [ 1033.655534][ T74] netlink_unicast+0x449/0x710 [ 1033.655534][ T74] netlink_sendmsg+0x723/0xbe0 [ 1033.655534][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1033.655534][ T74] ___sys_sendmsg+0xee/0x170 [ 1033.655534][ T74] __sys_sendmsg+0xcd/0x170 [ 1033.655534][ T74] do_syscall_64+0xc6/0x1e0 [ 1033.655534][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1033.655534][ T74] [ 1033.658061][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1033.658061][ T74] netdev_get_by_index+0x5e/0x80 [ 1033.658061][ T74] fib6_nh_init+0x3d8/0x1580 [ 1033.658061][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1033.658061][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1033.658061][ T74] ipv6_add_addr+0x411/0x2000 [ 1033.658061][ T74] inet6_addr_add+0x30e/0xa40 [ 1033.658061][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1033.658061][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1033.658061][ T74] netlink_rcv_skb+0x130/0x360 [ 1033.658061][ T74] netlink_unicast+0x449/0x710 [ 1033.658061][ T74] netlink_sendmsg+0x723/0xbe0 [ 1033.658061][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1033.658061][ T74] ___sys_sendmsg+0xee/0x170 [ 1033.658061][ T74] __sys_sendmsg+0xcd/0x170 [ 1033.658061][ T74] do_syscall_64+0xc6/0x1e0 [ 1033.658061][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1033.658061][ T74] [ 1033.660589][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1033.660589][ T74] netdev_get_by_index+0x5e/0x80 [ 1033.660589][ T74] fib6_nh_init+0x3d8/0x1580 [ 1033.660589][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1033.660589][ T74] ip6_route_add+0x1c/0x140 [ 1033.660589][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1033.660589][ T74] addrconf_add_dev+0xe2/0x170 [ 1033.660589][ T74] inet6_addr_add+0x12f/0xa40 [ 1033.660589][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1033.660589][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1033.660589][ T74] netlink_rcv_skb+0x130/0x360 [ 1033.660589][ T74] netlink_unicast+0x449/0x710 [ 1033.660589][ T74] netlink_sendmsg+0x723/0xbe0 [ 1033.660589][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1033.660589][ T74] ___sys_sendmsg+0xee/0x170 [ 1033.660589][ T74] __sys_sendmsg+0xcd/0x170 [ 1033.660589][ T74] do_syscall_64+0xc6/0x1e0 [ 1033.660589][ T74] [ 1033.663207][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1033.663207][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1033.663207][ T74] ipv6_find_idev+0x102/0x170 [ 1033.663207][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1033.663207][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1033.663207][ T74] netlink_rcv_skb+0x130/0x360 [ 1033.663207][ T74] netlink_unicast+0x449/0x710 [ 1033.663207][ T74] netlink_sendmsg+0x723/0xbe0 [ 1033.663207][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1033.663207][ T74] ___sys_sendmsg+0xee/0x170 [ 1033.663207][ T74] __sys_sendmsg+0xcd/0x170 [ 1033.663207][ T74] do_syscall_64+0xc6/0x1e0 [ 1033.663207][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1033.663207][ T74] [ 1033.665252][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1033.665252][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1033.665252][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1033.665252][ T74] ipv6_find_idev+0x102/0x170 [ 1033.665252][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1033.665252][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1033.665252][ T74] netlink_rcv_skb+0x130/0x360 [ 1033.665252][ T74] netlink_unicast+0x449/0x710 [ 1033.665252][ T74] netlink_sendmsg+0x723/0xbe0 [ 1033.665252][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1033.665252][ T74] ___sys_sendmsg+0xee/0x170 [ 1033.665252][ T74] __sys_sendmsg+0xcd/0x170 [ 1033.665252][ T74] do_syscall_64+0xc6/0x1e0 [ 1033.665252][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1033.665252][ T74] [ 1033.667461][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1033.667741][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1033.667741][ T74] netdev_get_by_index+0x5e/0x80 [ 1033.667741][ T74] fib6_nh_init+0x3d8/0x1580 [ 1033.667741][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1033.667741][ T74] ip6_route_add+0x1c/0x140 [ 1033.667741][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1033.667741][ T74] inet6_addr_add+0x4f8/0xa40 [ 1033.667741][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1033.667741][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1033.667741][ T74] netlink_rcv_skb+0x130/0x360 [ 1033.667741][ T74] netlink_unicast+0x449/0x710 [ 1033.667741][ T74] netlink_sendmsg+0x723/0xbe0 [ 1033.667741][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1033.667741][ T74] ___sys_sendmsg+0xee/0x170 [ 1033.667741][ T74] __sys_sendmsg+0xcd/0x170 [ 1033.667741][ T74] do_syscall_64+0xc6/0x1e0 [ 1033.667741][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1033.667741][ T74] [ 1033.670178][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1033.670178][ T74] netdev_get_by_index+0x5e/0x80 [ 1033.670178][ T74] fib6_nh_init+0x3d8/0x1580 [ 1033.670178][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1033.670178][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1033.670178][ T74] ipv6_add_addr+0x411/0x2000 [ 1033.670178][ T74] inet6_addr_add+0x30e/0xa40 [ 1033.670178][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1033.670178][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1033.670178][ T74] netlink_rcv_skb+0x130/0x360 [ 1033.670178][ T74] netlink_unicast+0x449/0x710 [ 1033.670178][ T74] netlink_sendmsg+0x723/0xbe0 [ 1033.670178][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1033.670178][ T74] ___sys_sendmsg+0xee/0x170 [ 1033.670178][ T74] __sys_sendmsg+0xcd/0x170 [ 1033.670178][ T74] do_syscall_64+0xc6/0x1e0 [ 1033.670178][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1033.670178][ T74] [ 1033.672393][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1033.672393][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1033.672393][ T74] ipv6_find_idev+0x102/0x170 [ 1033.672393][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1033.672393][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1033.672393][ T74] netlink_rcv_skb+0x130/0x360 [ 1033.672393][ T74] netlink_unicast+0x449/0x710 [ 1033.672393][ T74] netlink_sendmsg+0x723/0xbe0 [ 1033.672393][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1033.672393][ T74] ___sys_sendmsg+0xee/0x170 [ 1033.672393][ T74] __sys_sendmsg+0xcd/0x170 [ 1033.672393][ T74] do_syscall_64+0xc6/0x1e0 [ 1033.672393][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1033.672393][ T74] [ 1033.674320][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1033.674320][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1033.674320][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1033.674320][ T74] ipv6_find_idev+0x102/0x170 [ 1033.674320][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1033.674320][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1033.674320][ T74] netlink_rcv_skb+0x130/0x360 [ 1033.674320][ T74] netlink_unicast+0x449/0x710 [ 1033.674320][ T74] netlink_sendmsg+0x723/0xbe0 [ 1033.674320][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1033.674320][ T74] ___sys_sendmsg+0xee/0x170 [ 1033.674320][ T74] __sys_sendmsg+0xcd/0x170 [ 1033.674320][ T74] do_syscall_64+0xc6/0x1e0 [ 1033.674320][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1033.674320][ T74] [ 1043.783988][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1043.784377][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1043.784377][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1043.784377][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1043.784377][ T74] fib6_nh_init+0xa22/0x1580 [ 1043.784377][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1043.784377][ T74] ip6_route_add+0x1c/0x140 [ 1043.784377][ T74] inet6_rtm_newroute+0x104/0x110 [ 1043.784377][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1043.784377][ T74] netlink_rcv_skb+0x130/0x360 [ 1043.784377][ T74] netlink_unicast+0x449/0x710 [ 1043.784377][ T74] netlink_sendmsg+0x723/0xbe0 [ 1043.784377][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1043.784377][ T74] ___sys_sendmsg+0xee/0x170 [ 1043.784377][ T74] __sys_sendmsg+0xcd/0x170 [ 1043.784377][ T74] do_syscall_64+0xc6/0x1e0 [ 1043.784377][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1043.784377][ T74] [ 1043.786559][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1043.786559][ T74] netdev_get_by_index+0x5e/0x80 [ 1043.786559][ T74] fib6_nh_init+0x3d8/0x1580 [ 1043.786559][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1043.786559][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1043.786559][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1043.786559][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1043.786559][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1043.786559][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1043.786559][ T74] addrconf_dad_begin+0x310/0x670 [ 1043.786559][ T74] addrconf_dad_work+0x10b/0xab0 [ 1043.786559][ T74] process_one_work+0x84d/0x18a0 [ 1043.786559][ T74] worker_thread+0x587/0xd30 [ 1043.786559][ T74] kthread+0x28a/0x350 [ 1043.786559][ T74] ret_from_fork+0x31/0x70 [ 1043.786559][ T74] ret_from_fork_asm+0x1a/0x30 [ 1043.786559][ T74] [ 1043.788798][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1043.788798][ T74] netdev_get_by_index+0x5e/0x80 [ 1043.788798][ T74] fib6_nh_init+0x3d8/0x1580 [ 1043.788798][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1043.788798][ T74] ip6_route_add+0x1c/0x140 [ 1043.788798][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1043.788798][ T74] inet6_addr_add+0x4f8/0xa40 [ 1043.788798][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1043.788798][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1043.788798][ T74] netlink_rcv_skb+0x130/0x360 [ 1043.788798][ T74] netlink_unicast+0x449/0x710 [ 1043.788798][ T74] netlink_sendmsg+0x723/0xbe0 [ 1043.788798][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1043.788798][ T74] ___sys_sendmsg+0xee/0x170 [ 1043.788798][ T74] __sys_sendmsg+0xcd/0x170 [ 1043.788798][ T74] do_syscall_64+0xc6/0x1e0 [ 1043.788798][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1043.788798][ T74] [ 1043.791193][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1043.791193][ T74] netdev_get_by_index+0x5e/0x80 [ 1043.791193][ T74] fib6_nh_init+0x3d8/0x1580 [ 1043.791193][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1043.791193][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1043.791193][ T74] ipv6_add_addr+0x411/0x2000 [ 1043.791193][ T74] inet6_addr_add+0x30e/0xa40 [ 1043.791193][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1043.791193][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1043.791193][ T74] netlink_rcv_skb+0x130/0x360 [ 1043.791193][ T74] netlink_unicast+0x449/0x710 [ 1043.791193][ T74] netlink_sendmsg+0x723/0xbe0 [ 1043.791193][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1043.791193][ T74] ___sys_sendmsg+0xee/0x170 [ 1043.791193][ T74] __sys_sendmsg+0xcd/0x170 [ 1043.791193][ T74] do_syscall_64+0xc6/0x1e0 [ 1043.791193][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1043.791193][ T74] [ 1043.793444][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1043.793444][ T74] netdev_get_by_index+0x5e/0x80 [ 1043.793444][ T74] fib6_nh_init+0x3d8/0x1580 [ 1043.793444][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1043.793444][ T74] ip6_route_add+0x1c/0x140 [ 1043.793444][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1043.793444][ T74] addrconf_add_dev+0xe2/0x170 [ 1043.793444][ T74] inet6_addr_add+0x12f/0xa40 [ 1043.793444][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1043.793444][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1043.793444][ T74] netlink_rcv_skb+0x130/0x360 [ 1043.793444][ T74] netlink_unicast+0x449/0x710 [ 1043.793444][ T74] netlink_sendmsg+0x723/0xbe0 [ 1043.793444][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1043.793444][ T74] ___sys_sendmsg+0xee/0x170 [ 1043.793444][ T74] __sys_sendmsg+0xcd/0x170 [ 1043.793444][ T74] do_syscall_64+0xc6/0x1e0 [ 1043.793444][ T74] [ 1043.795689][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1043.795689][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1043.795689][ T74] ipv6_find_idev+0x102/0x170 [ 1043.795689][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1043.795689][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1043.795689][ T74] netlink_rcv_skb+0x130/0x360 [ 1043.795689][ T74] netlink_unicast+0x449/0x710 [ 1043.795689][ T74] netlink_sendmsg+0x723/0xbe0 [ 1043.795689][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1043.795689][ T74] ___sys_sendmsg+0xee/0x170 [ 1043.795689][ T74] __sys_sendmsg+0xcd/0x170 [ 1043.795689][ T74] do_syscall_64+0xc6/0x1e0 [ 1043.795689][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1043.795689][ T74] [ 1043.797535][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1043.797535][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1043.797535][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1043.797535][ T74] ipv6_find_idev+0x102/0x170 [ 1043.797535][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1043.797535][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1043.797535][ T74] netlink_rcv_skb+0x130/0x360 [ 1043.797535][ T74] netlink_unicast+0x449/0x710 [ 1043.797535][ T74] netlink_sendmsg+0x723/0xbe0 [ 1043.797535][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1043.797535][ T74] ___sys_sendmsg+0xee/0x170 [ 1043.797535][ T74] __sys_sendmsg+0xcd/0x170 [ 1043.797535][ T74] do_syscall_64+0xc6/0x1e0 [ 1043.797535][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1043.797535][ T74] [ 1043.799475][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1043.799772][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1043.799772][ T74] dst_init+0x84/0x4a0 [ 1043.799772][ T74] dst_alloc+0x97/0x150 [ 1043.799772][ T74] ip6_dst_alloc+0x23/0x90 [ 1043.799772][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1043.799772][ T74] ip6_pol_route+0x56f/0x840 [ 1043.799772][ T74] fib6_rule_lookup+0x456/0x630 [ 1043.799772][ T74] ip6_route_input+0x59c/0xa50 [ 1043.799772][ T74] ipv6_rcv+0x397/0x810 [ 1043.799772][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1043.799772][ T74] process_backlog+0x101/0x620 [ 1043.799772][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1043.799772][ T74] net_rx_action+0x495/0xbe0 [ 1043.799772][ T74] __do_softirq+0x1b5/0x7f6 [ 1043.799772][ T74] [ 1043.801991][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1043.801991][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1043.801991][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1043.801991][ T74] fib6_nh_init+0xa22/0x1580 [ 1043.801991][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1043.801991][ T74] ip6_route_add+0x1c/0x140 [ 1043.801991][ T74] inet6_rtm_newroute+0x104/0x110 [ 1043.801991][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1043.801991][ T74] netlink_rcv_skb+0x130/0x360 [ 1043.801991][ T74] netlink_unicast+0x449/0x710 [ 1043.801991][ T74] netlink_sendmsg+0x723/0xbe0 [ 1043.801991][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1043.801991][ T74] ___sys_sendmsg+0xee/0x170 [ 1043.801991][ T74] __sys_sendmsg+0xcd/0x170 [ 1043.801991][ T74] do_syscall_64+0xc6/0x1e0 [ 1043.801991][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1043.801991][ T74] [ 1043.804426][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1043.804426][ T74] netdev_get_by_index+0x5e/0x80 [ 1043.804426][ T74] fib6_nh_init+0x3d8/0x1580 [ 1043.804426][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1043.804426][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1043.804426][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1043.804426][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1043.804426][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1043.804426][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1043.804426][ T74] addrconf_dad_begin+0x310/0x670 [ 1043.804426][ T74] addrconf_dad_work+0x10b/0xab0 [ 1043.804426][ T74] process_one_work+0x84d/0x18a0 [ 1043.804426][ T74] worker_thread+0x587/0xd30 [ 1043.804426][ T74] kthread+0x28a/0x350 [ 1043.804426][ T74] ret_from_fork+0x31/0x70 [ 1043.804426][ T74] ret_from_fork_asm+0x1a/0x30 [ 1043.804426][ T74] [ 1043.806834][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1043.806834][ T74] netdev_get_by_index+0x5e/0x80 [ 1043.806834][ T74] fib6_nh_init+0x3d8/0x1580 [ 1043.806834][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1043.806834][ T74] ip6_route_add+0x1c/0x140 [ 1043.806834][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1043.806834][ T74] inet6_addr_add+0x4f8/0xa40 [ 1043.806834][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1043.806834][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1043.806834][ T74] netlink_rcv_skb+0x130/0x360 [ 1043.806834][ T74] netlink_unicast+0x449/0x710 [ 1043.806834][ T74] netlink_sendmsg+0x723/0xbe0 [ 1043.806834][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1043.806834][ T74] ___sys_sendmsg+0xee/0x170 [ 1043.806834][ T74] __sys_sendmsg+0xcd/0x170 [ 1043.806834][ T74] do_syscall_64+0xc6/0x1e0 [ 1043.806834][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1043.806834][ T74] [ 1043.809461][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1043.809461][ T74] netdev_get_by_index+0x5e/0x80 [ 1043.809461][ T74] fib6_nh_init+0x3d8/0x1580 [ 1043.809461][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1043.809461][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1043.809461][ T74] ipv6_add_addr+0x411/0x2000 [ 1043.809461][ T74] inet6_addr_add+0x30e/0xa40 [ 1043.809461][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1043.809461][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1043.809461][ T74] netlink_rcv_skb+0x130/0x360 [ 1043.809461][ T74] netlink_unicast+0x449/0x710 [ 1043.809461][ T74] netlink_sendmsg+0x723/0xbe0 [ 1043.809461][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1043.809461][ T74] ___sys_sendmsg+0xee/0x170 [ 1043.809461][ T74] __sys_sendmsg+0xcd/0x170 [ 1043.809461][ T74] do_syscall_64+0xc6/0x1e0 [ 1043.809461][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1043.809461][ T74] [ 1043.812033][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1043.812033][ T74] netdev_get_by_index+0x5e/0x80 [ 1043.812033][ T74] fib6_nh_init+0x3d8/0x1580 [ 1043.812033][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1043.812033][ T74] ip6_route_add+0x1c/0x140 [ 1043.812033][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1043.812033][ T74] addrconf_add_dev+0xe2/0x170 [ 1043.812033][ T74] inet6_addr_add+0x12f/0xa40 [ 1043.812033][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1043.812033][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1043.812033][ T74] netlink_rcv_skb+0x130/0x360 [ 1043.812033][ T74] netlink_unicast+0x449/0x710 [ 1043.812033][ T74] netlink_sendmsg+0x723/0xbe0 [ 1043.812033][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1043.812033][ T74] ___sys_sendmsg+0xee/0x170 [ 1043.812033][ T74] __sys_sendmsg+0xcd/0x170 [ 1043.812033][ T74] do_syscall_64+0xc6/0x1e0 [ 1043.812033][ T74] [ 1043.814528][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1043.814528][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1043.814528][ T74] ipv6_find_idev+0x102/0x170 [ 1043.814528][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1043.814528][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1043.814528][ T74] netlink_rcv_skb+0x130/0x360 [ 1043.814528][ T74] netlink_unicast+0x449/0x710 [ 1043.814528][ T74] netlink_sendmsg+0x723/0xbe0 [ 1043.814528][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1043.814528][ T74] ___sys_sendmsg+0xee/0x170 [ 1043.814528][ T74] __sys_sendmsg+0xcd/0x170 [ 1043.814528][ T74] do_syscall_64+0xc6/0x1e0 [ 1043.814528][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1043.814528][ T74] [ 1043.816586][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1043.816586][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1043.816586][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1043.816586][ T74] ipv6_find_idev+0x102/0x170 [ 1043.816586][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1043.816586][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1043.816586][ T74] netlink_rcv_skb+0x130/0x360 [ 1043.816586][ T74] netlink_unicast+0x449/0x710 [ 1043.816586][ T74] netlink_sendmsg+0x723/0xbe0 [ 1043.816586][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1043.816586][ T74] ___sys_sendmsg+0xee/0x170 [ 1043.816586][ T74] __sys_sendmsg+0xcd/0x170 [ 1043.816586][ T74] do_syscall_64+0xc6/0x1e0 [ 1043.816586][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1043.816586][ T74] [ 1043.818695][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1043.819047][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1043.819047][ T74] netdev_get_by_index+0x5e/0x80 [ 1043.819047][ T74] fib6_nh_init+0x3d8/0x1580 [ 1043.819047][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1043.819047][ T74] ip6_route_add+0x1c/0x140 [ 1043.819047][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1043.819047][ T74] inet6_addr_add+0x4f8/0xa40 [ 1043.819047][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1043.819047][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1043.819047][ T74] netlink_rcv_skb+0x130/0x360 [ 1043.819047][ T74] netlink_unicast+0x449/0x710 [ 1043.819047][ T74] netlink_sendmsg+0x723/0xbe0 [ 1043.819047][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1043.819047][ T74] ___sys_sendmsg+0xee/0x170 [ 1043.819047][ T74] __sys_sendmsg+0xcd/0x170 [ 1043.819047][ T74] do_syscall_64+0xc6/0x1e0 [ 1043.819047][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1043.819047][ T74] [ 1043.821556][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1043.821556][ T74] netdev_get_by_index+0x5e/0x80 [ 1043.821556][ T74] fib6_nh_init+0x3d8/0x1580 [ 1043.821556][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1043.821556][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1043.821556][ T74] ipv6_add_addr+0x411/0x2000 [ 1043.821556][ T74] inet6_addr_add+0x30e/0xa40 [ 1043.821556][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1043.821556][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1043.821556][ T74] netlink_rcv_skb+0x130/0x360 [ 1043.821556][ T74] netlink_unicast+0x449/0x710 [ 1043.821556][ T74] netlink_sendmsg+0x723/0xbe0 [ 1043.821556][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1043.821556][ T74] ___sys_sendmsg+0xee/0x170 [ 1043.821556][ T74] __sys_sendmsg+0xcd/0x170 [ 1043.821556][ T74] do_syscall_64+0xc6/0x1e0 [ 1043.821556][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1043.821556][ T74] [ 1043.824171][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1043.824171][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1043.824171][ T74] ipv6_find_idev+0x102/0x170 [ 1043.824171][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1043.824171][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1043.824171][ T74] netlink_rcv_skb+0x130/0x360 [ 1043.824171][ T74] netlink_unicast+0x449/0x710 [ 1043.824171][ T74] netlink_sendmsg+0x723/0xbe0 [ 1043.824171][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1043.824171][ T74] ___sys_sendmsg+0xee/0x170 [ 1043.824171][ T74] __sys_sendmsg+0xcd/0x170 [ 1043.824171][ T74] do_syscall_64+0xc6/0x1e0 [ 1043.824171][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1043.824171][ T74] [ 1043.826183][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1043.826183][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1043.826183][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1043.826183][ T74] ipv6_find_idev+0x102/0x170 [ 1043.826183][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1043.826183][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1043.826183][ T74] netlink_rcv_skb+0x130/0x360 [ 1043.826183][ T74] netlink_unicast+0x449/0x710 [ 1043.826183][ T74] netlink_sendmsg+0x723/0xbe0 [ 1043.826183][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1043.826183][ T74] ___sys_sendmsg+0xee/0x170 [ 1043.826183][ T74] __sys_sendmsg+0xcd/0x170 [ 1043.826183][ T74] do_syscall_64+0xc6/0x1e0 [ 1043.826183][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1043.826183][ T74] [ 1053.959879][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1053.960279][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1053.960279][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1053.960279][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1053.960279][ T74] fib6_nh_init+0xa22/0x1580 [ 1053.960279][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1053.960279][ T74] ip6_route_add+0x1c/0x140 [ 1053.960279][ T74] inet6_rtm_newroute+0x104/0x110 [ 1053.960279][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1053.960279][ T74] netlink_rcv_skb+0x130/0x360 [ 1053.960279][ T74] netlink_unicast+0x449/0x710 [ 1053.960279][ T74] netlink_sendmsg+0x723/0xbe0 [ 1053.960279][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1053.960279][ T74] ___sys_sendmsg+0xee/0x170 [ 1053.960279][ T74] __sys_sendmsg+0xcd/0x170 [ 1053.960279][ T74] do_syscall_64+0xc6/0x1e0 [ 1053.960279][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1053.960279][ T74] [ 1053.962617][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1053.962617][ T74] netdev_get_by_index+0x5e/0x80 [ 1053.962617][ T74] fib6_nh_init+0x3d8/0x1580 [ 1053.962617][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1053.962617][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1053.962617][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1053.962617][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1053.962617][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1053.962617][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1053.962617][ T74] addrconf_dad_begin+0x310/0x670 [ 1053.962617][ T74] addrconf_dad_work+0x10b/0xab0 [ 1053.962617][ T74] process_one_work+0x84d/0x18a0 [ 1053.962617][ T74] worker_thread+0x587/0xd30 [ 1053.962617][ T74] kthread+0x28a/0x350 [ 1053.962617][ T74] ret_from_fork+0x31/0x70 [ 1053.962617][ T74] ret_from_fork_asm+0x1a/0x30 [ 1053.962617][ T74] [ 1053.964663][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1053.964663][ T74] netdev_get_by_index+0x5e/0x80 [ 1053.964663][ T74] fib6_nh_init+0x3d8/0x1580 [ 1053.964663][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1053.964663][ T74] ip6_route_add+0x1c/0x140 [ 1053.964663][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1053.964663][ T74] inet6_addr_add+0x4f8/0xa40 [ 1053.964663][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1053.964663][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1053.964663][ T74] netlink_rcv_skb+0x130/0x360 [ 1053.964663][ T74] netlink_unicast+0x449/0x710 [ 1053.964663][ T74] netlink_sendmsg+0x723/0xbe0 [ 1053.964663][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1053.964663][ T74] ___sys_sendmsg+0xee/0x170 [ 1053.964663][ T74] __sys_sendmsg+0xcd/0x170 [ 1053.964663][ T74] do_syscall_64+0xc6/0x1e0 [ 1053.964663][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1053.964663][ T74] [ 1053.966786][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1053.966786][ T74] netdev_get_by_index+0x5e/0x80 [ 1053.966786][ T74] fib6_nh_init+0x3d8/0x1580 [ 1053.966786][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1053.966786][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1053.966786][ T74] ipv6_add_addr+0x411/0x2000 [ 1053.966786][ T74] inet6_addr_add+0x30e/0xa40 [ 1053.966786][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1053.966786][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1053.966786][ T74] netlink_rcv_skb+0x130/0x360 [ 1053.966786][ T74] netlink_unicast+0x449/0x710 [ 1053.966786][ T74] netlink_sendmsg+0x723/0xbe0 [ 1053.966786][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1053.966786][ T74] ___sys_sendmsg+0xee/0x170 [ 1053.966786][ T74] __sys_sendmsg+0xcd/0x170 [ 1053.966786][ T74] do_syscall_64+0xc6/0x1e0 [ 1053.966786][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1053.966786][ T74] [ 1053.968887][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1053.968887][ T74] netdev_get_by_index+0x5e/0x80 [ 1053.968887][ T74] fib6_nh_init+0x3d8/0x1580 [ 1053.968887][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1053.968887][ T74] ip6_route_add+0x1c/0x140 [ 1053.968887][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1053.968887][ T74] addrconf_add_dev+0xe2/0x170 [ 1053.968887][ T74] inet6_addr_add+0x12f/0xa40 [ 1053.968887][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1053.968887][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1053.968887][ T74] netlink_rcv_skb+0x130/0x360 [ 1053.968887][ T74] netlink_unicast+0x449/0x710 [ 1053.968887][ T74] netlink_sendmsg+0x723/0xbe0 [ 1053.968887][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1053.968887][ T74] ___sys_sendmsg+0xee/0x170 [ 1053.968887][ T74] __sys_sendmsg+0xcd/0x170 [ 1053.968887][ T74] do_syscall_64+0xc6/0x1e0 [ 1053.968887][ T74] [ 1053.971000][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1053.971000][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1053.971000][ T74] ipv6_find_idev+0x102/0x170 [ 1053.971000][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1053.971000][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1053.971000][ T74] netlink_rcv_skb+0x130/0x360 [ 1053.971000][ T74] netlink_unicast+0x449/0x710 [ 1053.971000][ T74] netlink_sendmsg+0x723/0xbe0 [ 1053.971000][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1053.971000][ T74] ___sys_sendmsg+0xee/0x170 [ 1053.971000][ T74] __sys_sendmsg+0xcd/0x170 [ 1053.971000][ T74] do_syscall_64+0xc6/0x1e0 [ 1053.971000][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1053.971000][ T74] [ 1053.972668][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1053.972668][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1053.972668][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1053.972668][ T74] ipv6_find_idev+0x102/0x170 [ 1053.972668][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1053.972668][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1053.972668][ T74] netlink_rcv_skb+0x130/0x360 [ 1053.972668][ T74] netlink_unicast+0x449/0x710 [ 1053.972668][ T74] netlink_sendmsg+0x723/0xbe0 [ 1053.972668][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1053.972668][ T74] ___sys_sendmsg+0xee/0x170 [ 1053.972668][ T74] __sys_sendmsg+0xcd/0x170 [ 1053.972668][ T74] do_syscall_64+0xc6/0x1e0 [ 1053.972668][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1053.972668][ T74] [ 1053.974633][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1053.974932][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1053.974932][ T74] dst_init+0x84/0x4a0 [ 1053.974932][ T74] dst_alloc+0x97/0x150 [ 1053.974932][ T74] ip6_dst_alloc+0x23/0x90 [ 1053.974932][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1053.974932][ T74] ip6_pol_route+0x56f/0x840 [ 1053.974932][ T74] fib6_rule_lookup+0x456/0x630 [ 1053.974932][ T74] ip6_route_input+0x59c/0xa50 [ 1053.974932][ T74] ipv6_rcv+0x397/0x810 [ 1053.974932][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1053.974932][ T74] process_backlog+0x101/0x620 [ 1053.974932][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1053.974932][ T74] net_rx_action+0x495/0xbe0 [ 1053.974932][ T74] __do_softirq+0x1b5/0x7f6 [ 1053.974932][ T74] [ 1053.977085][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1053.977085][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1053.977085][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1053.977085][ T74] fib6_nh_init+0xa22/0x1580 [ 1053.977085][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1053.977085][ T74] ip6_route_add+0x1c/0x140 [ 1053.977085][ T74] inet6_rtm_newroute+0x104/0x110 [ 1053.977085][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1053.977085][ T74] netlink_rcv_skb+0x130/0x360 [ 1053.977085][ T74] netlink_unicast+0x449/0x710 [ 1053.977085][ T74] netlink_sendmsg+0x723/0xbe0 [ 1053.977085][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1053.977085][ T74] ___sys_sendmsg+0xee/0x170 [ 1053.977085][ T74] __sys_sendmsg+0xcd/0x170 [ 1053.977085][ T74] do_syscall_64+0xc6/0x1e0 [ 1053.977085][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1053.977085][ T74] [ 1053.979481][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1053.979481][ T74] netdev_get_by_index+0x5e/0x80 [ 1053.979481][ T74] fib6_nh_init+0x3d8/0x1580 [ 1053.979481][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1053.979481][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1053.979481][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1053.979481][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1053.979481][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1053.979481][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1053.979481][ T74] addrconf_dad_begin+0x310/0x670 [ 1053.979481][ T74] addrconf_dad_work+0x10b/0xab0 [ 1053.979481][ T74] process_one_work+0x84d/0x18a0 [ 1053.979481][ T74] worker_thread+0x587/0xd30 [ 1053.979481][ T74] kthread+0x28a/0x350 [ 1053.979481][ T74] ret_from_fork+0x31/0x70 [ 1053.979481][ T74] ret_from_fork_asm+0x1a/0x30 [ 1053.979481][ T74] [ 1053.981644][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1053.981644][ T74] netdev_get_by_index+0x5e/0x80 [ 1053.981644][ T74] fib6_nh_init+0x3d8/0x1580 [ 1053.981644][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1053.981644][ T74] ip6_route_add+0x1c/0x140 [ 1053.981644][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1053.981644][ T74] inet6_addr_add+0x4f8/0xa40 [ 1053.981644][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1053.981644][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1053.981644][ T74] netlink_rcv_skb+0x130/0x360 [ 1053.981644][ T74] netlink_unicast+0x449/0x710 [ 1053.981644][ T74] netlink_sendmsg+0x723/0xbe0 [ 1053.981644][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1053.981644][ T74] ___sys_sendmsg+0xee/0x170 [ 1053.981644][ T74] __sys_sendmsg+0xcd/0x170 [ 1053.981644][ T74] do_syscall_64+0xc6/0x1e0 [ 1053.981644][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1053.981644][ T74] [ 1053.983957][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1053.983957][ T74] netdev_get_by_index+0x5e/0x80 [ 1053.983957][ T74] fib6_nh_init+0x3d8/0x1580 [ 1053.983957][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1053.983957][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1053.983957][ T74] ipv6_add_addr+0x411/0x2000 [ 1053.983957][ T74] inet6_addr_add+0x30e/0xa40 [ 1053.983957][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1053.983957][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1053.983957][ T74] netlink_rcv_skb+0x130/0x360 [ 1053.983957][ T74] netlink_unicast+0x449/0x710 [ 1053.983957][ T74] netlink_sendmsg+0x723/0xbe0 [ 1053.983957][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1053.983957][ T74] ___sys_sendmsg+0xee/0x170 [ 1053.983957][ T74] __sys_sendmsg+0xcd/0x170 [ 1053.983957][ T74] do_syscall_64+0xc6/0x1e0 [ 1053.983957][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1053.983957][ T74] [ 1053.986385][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1053.986385][ T74] netdev_get_by_index+0x5e/0x80 [ 1053.986385][ T74] fib6_nh_init+0x3d8/0x1580 [ 1053.986385][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1053.986385][ T74] ip6_route_add+0x1c/0x140 [ 1053.986385][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1053.986385][ T74] addrconf_add_dev+0xe2/0x170 [ 1053.986385][ T74] inet6_addr_add+0x12f/0xa40 [ 1053.986385][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1053.986385][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1053.986385][ T74] netlink_rcv_skb+0x130/0x360 [ 1053.986385][ T74] netlink_unicast+0x449/0x710 [ 1053.986385][ T74] netlink_sendmsg+0x723/0xbe0 [ 1053.986385][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1053.986385][ T74] ___sys_sendmsg+0xee/0x170 [ 1053.986385][ T74] __sys_sendmsg+0xcd/0x170 [ 1053.986385][ T74] do_syscall_64+0xc6/0x1e0 [ 1053.986385][ T74] [ 1053.988838][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1053.988838][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1053.988838][ T74] ipv6_find_idev+0x102/0x170 [ 1053.988838][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1053.988838][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1053.988838][ T74] netlink_rcv_skb+0x130/0x360 [ 1053.988838][ T74] netlink_unicast+0x449/0x710 [ 1053.988838][ T74] netlink_sendmsg+0x723/0xbe0 [ 1053.988838][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1053.988838][ T74] ___sys_sendmsg+0xee/0x170 [ 1053.988838][ T74] __sys_sendmsg+0xcd/0x170 [ 1053.988838][ T74] do_syscall_64+0xc6/0x1e0 [ 1053.988838][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1053.988838][ T74] [ 1053.990578][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1053.990578][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1053.990578][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1053.990578][ T74] ipv6_find_idev+0x102/0x170 [ 1053.990578][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1053.990578][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1053.990578][ T74] netlink_rcv_skb+0x130/0x360 [ 1053.990578][ T74] netlink_unicast+0x449/0x710 [ 1053.990578][ T74] netlink_sendmsg+0x723/0xbe0 [ 1053.990578][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1053.990578][ T74] ___sys_sendmsg+0xee/0x170 [ 1053.990578][ T74] __sys_sendmsg+0xcd/0x170 [ 1053.990578][ T74] do_syscall_64+0xc6/0x1e0 [ 1053.990578][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1053.990578][ T74] [ 1053.993151][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1053.993440][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1053.993440][ T74] netdev_get_by_index+0x5e/0x80 [ 1053.993440][ T74] fib6_nh_init+0x3d8/0x1580 [ 1053.993440][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1053.993440][ T74] ip6_route_add+0x1c/0x140 [ 1053.993440][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1053.993440][ T74] inet6_addr_add+0x4f8/0xa40 [ 1053.993440][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1053.993440][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1053.993440][ T74] netlink_rcv_skb+0x130/0x360 [ 1053.993440][ T74] netlink_unicast+0x449/0x710 [ 1053.993440][ T74] netlink_sendmsg+0x723/0xbe0 [ 1053.993440][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1053.993440][ T74] ___sys_sendmsg+0xee/0x170 [ 1053.993440][ T74] __sys_sendmsg+0xcd/0x170 [ 1053.993440][ T74] do_syscall_64+0xc6/0x1e0 [ 1053.993440][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1053.993440][ T74] [ 1053.995942][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1053.995942][ T74] netdev_get_by_index+0x5e/0x80 [ 1053.995942][ T74] fib6_nh_init+0x3d8/0x1580 [ 1053.995942][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1053.995942][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1053.995942][ T74] ipv6_add_addr+0x411/0x2000 [ 1053.995942][ T74] inet6_addr_add+0x30e/0xa40 [ 1053.995942][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1053.995942][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1053.995942][ T74] netlink_rcv_skb+0x130/0x360 [ 1053.995942][ T74] netlink_unicast+0x449/0x710 [ 1053.995942][ T74] netlink_sendmsg+0x723/0xbe0 [ 1053.995942][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1053.995942][ T74] ___sys_sendmsg+0xee/0x170 [ 1053.995942][ T74] __sys_sendmsg+0xcd/0x170 [ 1053.995942][ T74] do_syscall_64+0xc6/0x1e0 [ 1053.995942][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1053.995942][ T74] [ 1053.998414][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1053.998414][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1053.998414][ T74] ipv6_find_idev+0x102/0x170 [ 1053.998414][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1053.998414][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1053.998414][ T74] netlink_rcv_skb+0x130/0x360 [ 1053.998414][ T74] netlink_unicast+0x449/0x710 [ 1053.998414][ T74] netlink_sendmsg+0x723/0xbe0 [ 1053.998414][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1053.998414][ T74] ___sys_sendmsg+0xee/0x170 [ 1053.998414][ T74] __sys_sendmsg+0xcd/0x170 [ 1053.998414][ T74] do_syscall_64+0xc6/0x1e0 [ 1053.998414][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1053.998414][ T74] [ 1054.000308][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1054.000308][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1054.000308][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1054.000308][ T74] ipv6_find_idev+0x102/0x170 [ 1054.000308][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1054.000308][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1054.000308][ T74] netlink_rcv_skb+0x130/0x360 [ 1054.000308][ T74] netlink_unicast+0x449/0x710 [ 1054.000308][ T74] netlink_sendmsg+0x723/0xbe0 [ 1054.000308][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1054.000308][ T74] ___sys_sendmsg+0xee/0x170 [ 1054.000308][ T74] __sys_sendmsg+0xcd/0x170 [ 1054.000308][ T74] do_syscall_64+0xc6/0x1e0 [ 1054.000308][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1054.000308][ T74] [ 1064.143980][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1064.144321][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1064.144321][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1064.144321][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1064.144321][ T74] fib6_nh_init+0xa22/0x1580 [ 1064.144321][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1064.144321][ T74] ip6_route_add+0x1c/0x140 [ 1064.144321][ T74] inet6_rtm_newroute+0x104/0x110 [ 1064.144321][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1064.144321][ T74] netlink_rcv_skb+0x130/0x360 [ 1064.144321][ T74] netlink_unicast+0x449/0x710 [ 1064.144321][ T74] netlink_sendmsg+0x723/0xbe0 [ 1064.144321][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1064.144321][ T74] ___sys_sendmsg+0xee/0x170 [ 1064.144321][ T74] __sys_sendmsg+0xcd/0x170 [ 1064.144321][ T74] do_syscall_64+0xc6/0x1e0 [ 1064.144321][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1064.144321][ T74] [ 1064.146501][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1064.146501][ T74] netdev_get_by_index+0x5e/0x80 [ 1064.146501][ T74] fib6_nh_init+0x3d8/0x1580 [ 1064.146501][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1064.146501][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1064.146501][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1064.146501][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1064.146501][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1064.146501][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1064.146501][ T74] addrconf_dad_begin+0x310/0x670 [ 1064.146501][ T74] addrconf_dad_work+0x10b/0xab0 [ 1064.146501][ T74] process_one_work+0x84d/0x18a0 [ 1064.146501][ T74] worker_thread+0x587/0xd30 [ 1064.146501][ T74] kthread+0x28a/0x350 [ 1064.146501][ T74] ret_from_fork+0x31/0x70 [ 1064.146501][ T74] ret_from_fork_asm+0x1a/0x30 [ 1064.146501][ T74] [ 1064.148720][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1064.148720][ T74] netdev_get_by_index+0x5e/0x80 [ 1064.148720][ T74] fib6_nh_init+0x3d8/0x1580 [ 1064.148720][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1064.148720][ T74] ip6_route_add+0x1c/0x140 [ 1064.148720][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1064.148720][ T74] inet6_addr_add+0x4f8/0xa40 [ 1064.148720][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1064.148720][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1064.148720][ T74] netlink_rcv_skb+0x130/0x360 [ 1064.148720][ T74] netlink_unicast+0x449/0x710 [ 1064.148720][ T74] netlink_sendmsg+0x723/0xbe0 [ 1064.148720][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1064.148720][ T74] ___sys_sendmsg+0xee/0x170 [ 1064.148720][ T74] __sys_sendmsg+0xcd/0x170 [ 1064.148720][ T74] do_syscall_64+0xc6/0x1e0 [ 1064.148720][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1064.148720][ T74] [ 1064.151193][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1064.151193][ T74] netdev_get_by_index+0x5e/0x80 [ 1064.151193][ T74] fib6_nh_init+0x3d8/0x1580 [ 1064.151193][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1064.151193][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1064.151193][ T74] ipv6_add_addr+0x411/0x2000 [ 1064.151193][ T74] inet6_addr_add+0x30e/0xa40 [ 1064.151193][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1064.151193][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1064.151193][ T74] netlink_rcv_skb+0x130/0x360 [ 1064.151193][ T74] netlink_unicast+0x449/0x710 [ 1064.151193][ T74] netlink_sendmsg+0x723/0xbe0 [ 1064.151193][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1064.151193][ T74] ___sys_sendmsg+0xee/0x170 [ 1064.151193][ T74] __sys_sendmsg+0xcd/0x170 [ 1064.151193][ T74] do_syscall_64+0xc6/0x1e0 [ 1064.151193][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1064.151193][ T74] [ 1064.153673][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1064.153673][ T74] netdev_get_by_index+0x5e/0x80 [ 1064.153673][ T74] fib6_nh_init+0x3d8/0x1580 [ 1064.153673][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1064.153673][ T74] ip6_route_add+0x1c/0x140 [ 1064.153673][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1064.153673][ T74] addrconf_add_dev+0xe2/0x170 [ 1064.153673][ T74] inet6_addr_add+0x12f/0xa40 [ 1064.153673][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1064.153673][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1064.153673][ T74] netlink_rcv_skb+0x130/0x360 [ 1064.153673][ T74] netlink_unicast+0x449/0x710 [ 1064.153673][ T74] netlink_sendmsg+0x723/0xbe0 [ 1064.153673][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1064.153673][ T74] ___sys_sendmsg+0xee/0x170 [ 1064.153673][ T74] __sys_sendmsg+0xcd/0x170 [ 1064.153673][ T74] do_syscall_64+0xc6/0x1e0 [ 1064.153673][ T74] [ 1064.156290][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1064.156290][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1064.156290][ T74] ipv6_find_idev+0x102/0x170 [ 1064.156290][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1064.156290][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1064.156290][ T74] netlink_rcv_skb+0x130/0x360 [ 1064.156290][ T74] netlink_unicast+0x449/0x710 [ 1064.156290][ T74] netlink_sendmsg+0x723/0xbe0 [ 1064.156290][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1064.156290][ T74] ___sys_sendmsg+0xee/0x170 [ 1064.156290][ T74] __sys_sendmsg+0xcd/0x170 [ 1064.156290][ T74] do_syscall_64+0xc6/0x1e0 [ 1064.156290][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1064.156290][ T74] [ 1064.158218][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1064.158218][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1064.158218][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1064.158218][ T74] ipv6_find_idev+0x102/0x170 [ 1064.158218][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1064.158218][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1064.158218][ T74] netlink_rcv_skb+0x130/0x360 [ 1064.158218][ T74] netlink_unicast+0x449/0x710 [ 1064.158218][ T74] netlink_sendmsg+0x723/0xbe0 [ 1064.158218][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1064.158218][ T74] ___sys_sendmsg+0xee/0x170 [ 1064.158218][ T74] __sys_sendmsg+0xcd/0x170 [ 1064.158218][ T74] do_syscall_64+0xc6/0x1e0 [ 1064.158218][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1064.158218][ T74] [ 1064.160431][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1064.160742][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1064.160742][ T74] dst_init+0x84/0x4a0 [ 1064.160742][ T74] dst_alloc+0x97/0x150 [ 1064.160742][ T74] ip6_dst_alloc+0x23/0x90 [ 1064.160742][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1064.160742][ T74] ip6_pol_route+0x56f/0x840 [ 1064.160742][ T74] fib6_rule_lookup+0x456/0x630 [ 1064.160742][ T74] ip6_route_input+0x59c/0xa50 [ 1064.160742][ T74] ipv6_rcv+0x397/0x810 [ 1064.160742][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1064.160742][ T74] process_backlog+0x101/0x620 [ 1064.160742][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1064.160742][ T74] net_rx_action+0x495/0xbe0 [ 1064.160742][ T74] __do_softirq+0x1b5/0x7f6 [ 1064.160742][ T74] [ 1064.162832][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1064.162832][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1064.162832][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1064.162832][ T74] fib6_nh_init+0xa22/0x1580 [ 1064.162832][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1064.162832][ T74] ip6_route_add+0x1c/0x140 [ 1064.162832][ T74] inet6_rtm_newroute+0x104/0x110 [ 1064.162832][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1064.162832][ T74] netlink_rcv_skb+0x130/0x360 [ 1064.162832][ T74] netlink_unicast+0x449/0x710 [ 1064.162832][ T74] netlink_sendmsg+0x723/0xbe0 [ 1064.162832][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1064.162832][ T74] ___sys_sendmsg+0xee/0x170 [ 1064.162832][ T74] __sys_sendmsg+0xcd/0x170 [ 1064.162832][ T74] do_syscall_64+0xc6/0x1e0 [ 1064.162832][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1064.162832][ T74] [ 1064.165283][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1064.165283][ T74] netdev_get_by_index+0x5e/0x80 [ 1064.165283][ T74] fib6_nh_init+0x3d8/0x1580 [ 1064.165283][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1064.165283][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1064.165283][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1064.165283][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1064.165283][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1064.165283][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1064.165283][ T74] addrconf_dad_begin+0x310/0x670 [ 1064.165283][ T74] addrconf_dad_work+0x10b/0xab0 [ 1064.165283][ T74] process_one_work+0x84d/0x18a0 [ 1064.165283][ T74] worker_thread+0x587/0xd30 [ 1064.165283][ T74] kthread+0x28a/0x350 [ 1064.165283][ T74] ret_from_fork+0x31/0x70 [ 1064.165283][ T74] ret_from_fork_asm+0x1a/0x30 [ 1064.165283][ T74] [ 1064.167806][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1064.167806][ T74] netdev_get_by_index+0x5e/0x80 [ 1064.167806][ T74] fib6_nh_init+0x3d8/0x1580 [ 1064.167806][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1064.167806][ T74] ip6_route_add+0x1c/0x140 [ 1064.167806][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1064.167806][ T74] inet6_addr_add+0x4f8/0xa40 [ 1064.167806][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1064.167806][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1064.167806][ T74] netlink_rcv_skb+0x130/0x360 [ 1064.167806][ T74] netlink_unicast+0x449/0x710 [ 1064.167806][ T74] netlink_sendmsg+0x723/0xbe0 [ 1064.167806][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1064.167806][ T74] ___sys_sendmsg+0xee/0x170 [ 1064.167806][ T74] __sys_sendmsg+0xcd/0x170 [ 1064.167806][ T74] do_syscall_64+0xc6/0x1e0 [ 1064.167806][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1064.167806][ T74] [ 1064.170333][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1064.170333][ T74] netdev_get_by_index+0x5e/0x80 [ 1064.170333][ T74] fib6_nh_init+0x3d8/0x1580 [ 1064.170333][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1064.170333][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1064.170333][ T74] ipv6_add_addr+0x411/0x2000 [ 1064.170333][ T74] inet6_addr_add+0x30e/0xa40 [ 1064.170333][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1064.170333][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1064.170333][ T74] netlink_rcv_skb+0x130/0x360 [ 1064.170333][ T74] netlink_unicast+0x449/0x710 [ 1064.170333][ T74] netlink_sendmsg+0x723/0xbe0 [ 1064.170333][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1064.170333][ T74] ___sys_sendmsg+0xee/0x170 [ 1064.170333][ T74] __sys_sendmsg+0xcd/0x170 [ 1064.170333][ T74] do_syscall_64+0xc6/0x1e0 [ 1064.170333][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1064.170333][ T74] [ 1064.172815][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1064.172815][ T74] netdev_get_by_index+0x5e/0x80 [ 1064.172815][ T74] fib6_nh_init+0x3d8/0x1580 [ 1064.172815][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1064.172815][ T74] ip6_route_add+0x1c/0x140 [ 1064.172815][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1064.172815][ T74] addrconf_add_dev+0xe2/0x170 [ 1064.172815][ T74] inet6_addr_add+0x12f/0xa40 [ 1064.172815][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1064.172815][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1064.172815][ T74] netlink_rcv_skb+0x130/0x360 [ 1064.172815][ T74] netlink_unicast+0x449/0x710 [ 1064.172815][ T74] netlink_sendmsg+0x723/0xbe0 [ 1064.172815][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1064.172815][ T74] ___sys_sendmsg+0xee/0x170 [ 1064.172815][ T74] __sys_sendmsg+0xcd/0x170 [ 1064.172815][ T74] do_syscall_64+0xc6/0x1e0 [ 1064.172815][ T74] [ 1064.175525][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1064.175525][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1064.175525][ T74] ipv6_find_idev+0x102/0x170 [ 1064.175525][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1064.175525][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1064.175525][ T74] netlink_rcv_skb+0x130/0x360 [ 1064.175525][ T74] netlink_unicast+0x449/0x710 [ 1064.175525][ T74] netlink_sendmsg+0x723/0xbe0 [ 1064.175525][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1064.175525][ T74] ___sys_sendmsg+0xee/0x170 [ 1064.175525][ T74] __sys_sendmsg+0xcd/0x170 [ 1064.175525][ T74] do_syscall_64+0xc6/0x1e0 [ 1064.175525][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1064.175525][ T74] [ 1064.177467][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1064.177467][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1064.177467][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1064.177467][ T74] ipv6_find_idev+0x102/0x170 [ 1064.177467][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1064.177467][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1064.177467][ T74] netlink_rcv_skb+0x130/0x360 [ 1064.177467][ T74] netlink_unicast+0x449/0x710 [ 1064.177467][ T74] netlink_sendmsg+0x723/0xbe0 [ 1064.177467][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1064.177467][ T74] ___sys_sendmsg+0xee/0x170 [ 1064.177467][ T74] __sys_sendmsg+0xcd/0x170 [ 1064.177467][ T74] do_syscall_64+0xc6/0x1e0 [ 1064.177467][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1064.177467][ T74] [ 1064.179775][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1064.180136][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1064.180136][ T74] netdev_get_by_index+0x5e/0x80 [ 1064.180136][ T74] fib6_nh_init+0x3d8/0x1580 [ 1064.180136][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1064.180136][ T74] ip6_route_add+0x1c/0x140 [ 1064.180136][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1064.180136][ T74] inet6_addr_add+0x4f8/0xa40 [ 1064.180136][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1064.180136][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1064.180136][ T74] netlink_rcv_skb+0x130/0x360 [ 1064.180136][ T74] netlink_unicast+0x449/0x710 [ 1064.180136][ T74] netlink_sendmsg+0x723/0xbe0 [ 1064.180136][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1064.180136][ T74] ___sys_sendmsg+0xee/0x170 [ 1064.180136][ T74] __sys_sendmsg+0xcd/0x170 [ 1064.180136][ T74] do_syscall_64+0xc6/0x1e0 [ 1064.180136][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1064.180136][ T74] [ 1064.182656][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1064.182656][ T74] netdev_get_by_index+0x5e/0x80 [ 1064.182656][ T74] fib6_nh_init+0x3d8/0x1580 [ 1064.182656][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1064.182656][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1064.182656][ T74] ipv6_add_addr+0x411/0x2000 [ 1064.182656][ T74] inet6_addr_add+0x30e/0xa40 [ 1064.182656][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1064.182656][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1064.182656][ T74] netlink_rcv_skb+0x130/0x360 [ 1064.182656][ T74] netlink_unicast+0x449/0x710 [ 1064.182656][ T74] netlink_sendmsg+0x723/0xbe0 [ 1064.182656][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1064.182656][ T74] ___sys_sendmsg+0xee/0x170 [ 1064.182656][ T74] __sys_sendmsg+0xcd/0x170 [ 1064.182656][ T74] do_syscall_64+0xc6/0x1e0 [ 1064.182656][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1064.182656][ T74] [ 1064.185351][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1064.185351][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1064.185351][ T74] ipv6_find_idev+0x102/0x170 [ 1064.185351][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1064.185351][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1064.185351][ T74] netlink_rcv_skb+0x130/0x360 [ 1064.185351][ T74] netlink_unicast+0x449/0x710 [ 1064.185351][ T74] netlink_sendmsg+0x723/0xbe0 [ 1064.185351][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1064.185351][ T74] ___sys_sendmsg+0xee/0x170 [ 1064.185351][ T74] __sys_sendmsg+0xcd/0x170 [ 1064.185351][ T74] do_syscall_64+0xc6/0x1e0 [ 1064.185351][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1064.185351][ T74] [ 1064.187345][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1064.187345][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1064.187345][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1064.187345][ T74] ipv6_find_idev+0x102/0x170 [ 1064.187345][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1064.187345][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1064.187345][ T74] netlink_rcv_skb+0x130/0x360 [ 1064.187345][ T74] netlink_unicast+0x449/0x710 [ 1064.187345][ T74] netlink_sendmsg+0x723/0xbe0 [ 1064.187345][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1064.187345][ T74] ___sys_sendmsg+0xee/0x170 [ 1064.187345][ T74] __sys_sendmsg+0xcd/0x170 [ 1064.187345][ T74] do_syscall_64+0xc6/0x1e0 [ 1064.187345][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1064.187345][ T74] [ 1064.388540][ T5857] veth0: renamed from veth1 [ 1068.228554][ T5883] br0: port 1(vx0) entered blocking state [ 1068.228766][ T5883] br0: port 1(vx0) entered disabled state [ 1068.229660][ T5883] vx0: entered allmulticast mode [ 1068.230868][ T5883] vx0: entered promiscuous mode [ 1068.232696][ T5883] br0: port 1(vx0) entered blocking state [ 1068.232898][ T5883] br0: port 1(vx0) entered forwarding state [ 1073.519589][ T5913] br0: port 1(vx0) entered blocking state [ 1073.519859][ T5913] br0: port 1(vx0) entered disabled state [ 1073.520047][ T5913] vx0: entered allmulticast mode [ 1073.522238][ T5913] vx0: entered promiscuous mode [ 1073.524072][ T5913] br0: port 1(vx0) entered blocking state [ 1073.524251][ T5913] br0: port 1(vx0) entered forwarding state [ 1074.295884][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1074.296231][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1074.296231][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1074.296231][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1074.296231][ T74] fib6_nh_init+0xa22/0x1580 [ 1074.296231][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1074.296231][ T74] ip6_route_add+0x1c/0x140 [ 1074.296231][ T74] inet6_rtm_newroute+0x104/0x110 [ 1074.296231][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1074.296231][ T74] netlink_rcv_skb+0x130/0x360 [ 1074.296231][ T74] netlink_unicast+0x449/0x710 [ 1074.296231][ T74] netlink_sendmsg+0x723/0xbe0 [ 1074.296231][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1074.296231][ T74] ___sys_sendmsg+0xee/0x170 [ 1074.296231][ T74] __sys_sendmsg+0xcd/0x170 [ 1074.296231][ T74] do_syscall_64+0xc6/0x1e0 [ 1074.296231][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1074.296231][ T74] [ 1074.298300][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1074.298300][ T74] netdev_get_by_index+0x5e/0x80 [ 1074.298300][ T74] fib6_nh_init+0x3d8/0x1580 [ 1074.298300][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1074.298300][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1074.298300][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1074.298300][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1074.298300][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1074.298300][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1074.298300][ T74] addrconf_dad_begin+0x310/0x670 [ 1074.298300][ T74] addrconf_dad_work+0x10b/0xab0 [ 1074.298300][ T74] process_one_work+0x84d/0x18a0 [ 1074.298300][ T74] worker_thread+0x587/0xd30 [ 1074.298300][ T74] kthread+0x28a/0x350 [ 1074.298300][ T74] ret_from_fork+0x31/0x70 [ 1074.298300][ T74] ret_from_fork_asm+0x1a/0x30 [ 1074.298300][ T74] [ 1074.300288][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1074.300288][ T74] netdev_get_by_index+0x5e/0x80 [ 1074.300288][ T74] fib6_nh_init+0x3d8/0x1580 [ 1074.300288][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1074.300288][ T74] ip6_route_add+0x1c/0x140 [ 1074.300288][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1074.300288][ T74] inet6_addr_add+0x4f8/0xa40 [ 1074.300288][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1074.300288][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1074.300288][ T74] netlink_rcv_skb+0x130/0x360 [ 1074.300288][ T74] netlink_unicast+0x449/0x710 [ 1074.300288][ T74] netlink_sendmsg+0x723/0xbe0 [ 1074.300288][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1074.300288][ T74] ___sys_sendmsg+0xee/0x170 [ 1074.300288][ T74] __sys_sendmsg+0xcd/0x170 [ 1074.300288][ T74] do_syscall_64+0xc6/0x1e0 [ 1074.300288][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1074.300288][ T74] [ 1074.302349][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1074.302349][ T74] netdev_get_by_index+0x5e/0x80 [ 1074.302349][ T74] fib6_nh_init+0x3d8/0x1580 [ 1074.302349][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1074.302349][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1074.302349][ T74] ipv6_add_addr+0x411/0x2000 [ 1074.302349][ T74] inet6_addr_add+0x30e/0xa40 [ 1074.302349][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1074.302349][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1074.302349][ T74] netlink_rcv_skb+0x130/0x360 [ 1074.302349][ T74] netlink_unicast+0x449/0x710 [ 1074.302349][ T74] netlink_sendmsg+0x723/0xbe0 [ 1074.302349][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1074.302349][ T74] ___sys_sendmsg+0xee/0x170 [ 1074.302349][ T74] __sys_sendmsg+0xcd/0x170 [ 1074.302349][ T74] do_syscall_64+0xc6/0x1e0 [ 1074.302349][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1074.302349][ T74] [ 1074.304400][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1074.304400][ T74] netdev_get_by_index+0x5e/0x80 [ 1074.304400][ T74] fib6_nh_init+0x3d8/0x1580 [ 1074.304400][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1074.304400][ T74] ip6_route_add+0x1c/0x140 [ 1074.304400][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1074.304400][ T74] addrconf_add_dev+0xe2/0x170 [ 1074.304400][ T74] inet6_addr_add+0x12f/0xa40 [ 1074.304400][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1074.304400][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1074.304400][ T74] netlink_rcv_skb+0x130/0x360 [ 1074.304400][ T74] netlink_unicast+0x449/0x710 [ 1074.304400][ T74] netlink_sendmsg+0x723/0xbe0 [ 1074.304400][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1074.304400][ T74] ___sys_sendmsg+0xee/0x170 [ 1074.304400][ T74] __sys_sendmsg+0xcd/0x170 [ 1074.304400][ T74] do_syscall_64+0xc6/0x1e0 [ 1074.304400][ T74] [ 1074.306391][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1074.306391][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1074.306391][ T74] ipv6_find_idev+0x102/0x170 [ 1074.306391][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1074.306391][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1074.306391][ T74] netlink_rcv_skb+0x130/0x360 [ 1074.306391][ T74] netlink_unicast+0x449/0x710 [ 1074.306391][ T74] netlink_sendmsg+0x723/0xbe0 [ 1074.306391][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1074.306391][ T74] ___sys_sendmsg+0xee/0x170 [ 1074.306391][ T74] __sys_sendmsg+0xcd/0x170 [ 1074.306391][ T74] do_syscall_64+0xc6/0x1e0 [ 1074.306391][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1074.306391][ T74] [ 1074.308108][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1074.308108][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1074.308108][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1074.308108][ T74] ipv6_find_idev+0x102/0x170 [ 1074.308108][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1074.308108][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1074.308108][ T74] netlink_rcv_skb+0x130/0x360 [ 1074.308108][ T74] netlink_unicast+0x449/0x710 [ 1074.308108][ T74] netlink_sendmsg+0x723/0xbe0 [ 1074.308108][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1074.308108][ T74] ___sys_sendmsg+0xee/0x170 [ 1074.308108][ T74] __sys_sendmsg+0xcd/0x170 [ 1074.308108][ T74] do_syscall_64+0xc6/0x1e0 [ 1074.308108][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1074.308108][ T74] [ 1074.310043][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1074.310342][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1074.310342][ T74] dst_init+0x84/0x4a0 [ 1074.310342][ T74] dst_alloc+0x97/0x150 [ 1074.310342][ T74] ip6_dst_alloc+0x23/0x90 [ 1074.310342][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1074.310342][ T74] ip6_pol_route+0x56f/0x840 [ 1074.310342][ T74] fib6_rule_lookup+0x456/0x630 [ 1074.310342][ T74] ip6_route_input+0x59c/0xa50 [ 1074.310342][ T74] ipv6_rcv+0x397/0x810 [ 1074.310342][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1074.310342][ T74] process_backlog+0x101/0x620 [ 1074.310342][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1074.310342][ T74] net_rx_action+0x495/0xbe0 [ 1074.310342][ T74] __do_softirq+0x1b5/0x7f6 [ 1074.310342][ T74] [ 1074.312082][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1074.312082][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1074.312082][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1074.312082][ T74] fib6_nh_init+0xa22/0x1580 [ 1074.312082][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1074.312082][ T74] ip6_route_add+0x1c/0x140 [ 1074.312082][ T74] inet6_rtm_newroute+0x104/0x110 [ 1074.312082][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1074.312082][ T74] netlink_rcv_skb+0x130/0x360 [ 1074.312082][ T74] netlink_unicast+0x449/0x710 [ 1074.312082][ T74] netlink_sendmsg+0x723/0xbe0 [ 1074.312082][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1074.312082][ T74] ___sys_sendmsg+0xee/0x170 [ 1074.312082][ T74] __sys_sendmsg+0xcd/0x170 [ 1074.312082][ T74] do_syscall_64+0xc6/0x1e0 [ 1074.312082][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1074.312082][ T74] [ 1074.314018][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1074.314018][ T74] netdev_get_by_index+0x5e/0x80 [ 1074.314018][ T74] fib6_nh_init+0x3d8/0x1580 [ 1074.314018][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1074.314018][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1074.314018][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1074.314018][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1074.314018][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1074.314018][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1074.314018][ T74] addrconf_dad_begin+0x310/0x670 [ 1074.314018][ T74] addrconf_dad_work+0x10b/0xab0 [ 1074.314018][ T74] process_one_work+0x84d/0x18a0 [ 1074.314018][ T74] worker_thread+0x587/0xd30 [ 1074.314018][ T74] kthread+0x28a/0x350 [ 1074.314018][ T74] ret_from_fork+0x31/0x70 [ 1074.314018][ T74] ret_from_fork_asm+0x1a/0x30 [ 1074.314018][ T74] [ 1074.315977][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1074.315977][ T74] netdev_get_by_index+0x5e/0x80 [ 1074.315977][ T74] fib6_nh_init+0x3d8/0x1580 [ 1074.315977][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1074.315977][ T74] ip6_route_add+0x1c/0x140 [ 1074.315977][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1074.315977][ T74] inet6_addr_add+0x4f8/0xa40 [ 1074.315977][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1074.315977][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1074.315977][ T74] netlink_rcv_skb+0x130/0x360 [ 1074.315977][ T74] netlink_unicast+0x449/0x710 [ 1074.315977][ T74] netlink_sendmsg+0x723/0xbe0 [ 1074.315977][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1074.315977][ T74] ___sys_sendmsg+0xee/0x170 [ 1074.315977][ T74] __sys_sendmsg+0xcd/0x170 [ 1074.315977][ T74] do_syscall_64+0xc6/0x1e0 [ 1074.315977][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1074.315977][ T74] [ 1074.318147][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1074.318147][ T74] netdev_get_by_index+0x5e/0x80 [ 1074.318147][ T74] fib6_nh_init+0x3d8/0x1580 [ 1074.318147][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1074.318147][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1074.318147][ T74] ipv6_add_addr+0x411/0x2000 [ 1074.318147][ T74] inet6_addr_add+0x30e/0xa40 [ 1074.318147][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1074.318147][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1074.318147][ T74] netlink_rcv_skb+0x130/0x360 [ 1074.318147][ T74] netlink_unicast+0x449/0x710 [ 1074.318147][ T74] netlink_sendmsg+0x723/0xbe0 [ 1074.318147][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1074.318147][ T74] ___sys_sendmsg+0xee/0x170 [ 1074.318147][ T74] __sys_sendmsg+0xcd/0x170 [ 1074.318147][ T74] do_syscall_64+0xc6/0x1e0 [ 1074.318147][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1074.318147][ T74] [ 1074.320652][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1074.320652][ T74] netdev_get_by_index+0x5e/0x80 [ 1074.320652][ T74] fib6_nh_init+0x3d8/0x1580 [ 1074.320652][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1074.320652][ T74] ip6_route_add+0x1c/0x140 [ 1074.320652][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1074.320652][ T74] addrconf_add_dev+0xe2/0x170 [ 1074.320652][ T74] inet6_addr_add+0x12f/0xa40 [ 1074.320652][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1074.320652][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1074.320652][ T74] netlink_rcv_skb+0x130/0x360 [ 1074.320652][ T74] netlink_unicast+0x449/0x710 [ 1074.320652][ T74] netlink_sendmsg+0x723/0xbe0 [ 1074.320652][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1074.320652][ T74] ___sys_sendmsg+0xee/0x170 [ 1074.320652][ T74] __sys_sendmsg+0xcd/0x170 [ 1074.320652][ T74] do_syscall_64+0xc6/0x1e0 [ 1074.320652][ T74] [ 1074.323699][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1074.323699][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1074.323699][ T74] ipv6_find_idev+0x102/0x170 [ 1074.323699][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1074.323699][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1074.323699][ T74] netlink_rcv_skb+0x130/0x360 [ 1074.323699][ T74] netlink_unicast+0x449/0x710 [ 1074.323699][ T74] netlink_sendmsg+0x723/0xbe0 [ 1074.323699][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1074.323699][ T74] ___sys_sendmsg+0xee/0x170 [ 1074.323699][ T74] __sys_sendmsg+0xcd/0x170 [ 1074.323699][ T74] do_syscall_64+0xc6/0x1e0 [ 1074.323699][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1074.323699][ T74] [ 1074.326249][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1074.326249][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1074.326249][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1074.326249][ T74] ipv6_find_idev+0x102/0x170 [ 1074.326249][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1074.326249][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1074.326249][ T74] netlink_rcv_skb+0x130/0x360 [ 1074.326249][ T74] netlink_unicast+0x449/0x710 [ 1074.326249][ T74] netlink_sendmsg+0x723/0xbe0 [ 1074.326249][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1074.326249][ T74] ___sys_sendmsg+0xee/0x170 [ 1074.326249][ T74] __sys_sendmsg+0xcd/0x170 [ 1074.326249][ T74] do_syscall_64+0xc6/0x1e0 [ 1074.326249][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1074.326249][ T74] [ 1074.329094][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1074.329486][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1074.329486][ T74] netdev_get_by_index+0x5e/0x80 [ 1074.329486][ T74] fib6_nh_init+0x3d8/0x1580 [ 1074.329486][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1074.329486][ T74] ip6_route_add+0x1c/0x140 [ 1074.329486][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1074.329486][ T74] inet6_addr_add+0x4f8/0xa40 [ 1074.329486][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1074.329486][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1074.329486][ T74] netlink_rcv_skb+0x130/0x360 [ 1074.329486][ T74] netlink_unicast+0x449/0x710 [ 1074.329486][ T74] netlink_sendmsg+0x723/0xbe0 [ 1074.329486][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1074.329486][ T74] ___sys_sendmsg+0xee/0x170 [ 1074.329486][ T74] __sys_sendmsg+0xcd/0x170 [ 1074.329486][ T74] do_syscall_64+0xc6/0x1e0 [ 1074.329486][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1074.329486][ T74] [ 1074.332990][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1074.332990][ T74] netdev_get_by_index+0x5e/0x80 [ 1074.332990][ T74] fib6_nh_init+0x3d8/0x1580 [ 1074.332990][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1074.332990][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1074.332990][ T74] ipv6_add_addr+0x411/0x2000 [ 1074.332990][ T74] inet6_addr_add+0x30e/0xa40 [ 1074.332990][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1074.332990][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1074.332990][ T74] netlink_rcv_skb+0x130/0x360 [ 1074.332990][ T74] netlink_unicast+0x449/0x710 [ 1074.332990][ T74] netlink_sendmsg+0x723/0xbe0 [ 1074.332990][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1074.332990][ T74] ___sys_sendmsg+0xee/0x170 [ 1074.332990][ T74] __sys_sendmsg+0xcd/0x170 [ 1074.332990][ T74] do_syscall_64+0xc6/0x1e0 [ 1074.332990][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1074.332990][ T74] [ 1074.336396][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1074.336396][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1074.336396][ T74] ipv6_find_idev+0x102/0x170 [ 1074.336396][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1074.336396][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1074.336396][ T74] netlink_rcv_skb+0x130/0x360 [ 1074.336396][ T74] netlink_unicast+0x449/0x710 [ 1074.336396][ T74] netlink_sendmsg+0x723/0xbe0 [ 1074.336396][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1074.336396][ T74] ___sys_sendmsg+0xee/0x170 [ 1074.336396][ T74] __sys_sendmsg+0xcd/0x170 [ 1074.336396][ T74] do_syscall_64+0xc6/0x1e0 [ 1074.336396][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1074.336396][ T74] [ 1074.339023][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1074.339023][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1074.339023][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1074.339023][ T74] ipv6_find_idev+0x102/0x170 [ 1074.339023][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1074.339023][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1074.339023][ T74] netlink_rcv_skb+0x130/0x360 [ 1074.339023][ T74] netlink_unicast+0x449/0x710 [ 1074.339023][ T74] netlink_sendmsg+0x723/0xbe0 [ 1074.339023][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1074.339023][ T74] ___sys_sendmsg+0xee/0x170 [ 1074.339023][ T74] __sys_sendmsg+0xcd/0x170 [ 1074.339023][ T74] do_syscall_64+0xc6/0x1e0 [ 1074.339023][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1074.339023][ T74] [ 1077.560100][ T5945] veth0: renamed from veth1 [ 1081.405808][ T5972] br0: port 1(vx0) entered blocking state [ 1081.406081][ T5972] br0: port 1(vx0) entered disabled state [ 1081.406261][ T5972] vx0: entered allmulticast mode [ 1081.407452][ T5972] vx0: entered promiscuous mode [ 1081.409926][ T5972] br0: port 1(vx0) entered blocking state [ 1081.410105][ T5972] br0: port 1(vx0) entered forwarding state [ 1084.463951][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1084.464317][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1084.464317][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1084.464317][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1084.464317][ T74] fib6_nh_init+0xa22/0x1580 [ 1084.464317][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1084.464317][ T74] ip6_route_add+0x1c/0x140 [ 1084.464317][ T74] inet6_rtm_newroute+0x104/0x110 [ 1084.464317][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1084.464317][ T74] netlink_rcv_skb+0x130/0x360 [ 1084.464317][ T74] netlink_unicast+0x449/0x710 [ 1084.464317][ T74] netlink_sendmsg+0x723/0xbe0 [ 1084.464317][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1084.464317][ T74] ___sys_sendmsg+0xee/0x170 [ 1084.464317][ T74] __sys_sendmsg+0xcd/0x170 [ 1084.464317][ T74] do_syscall_64+0xc6/0x1e0 [ 1084.464317][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1084.464317][ T74] [ 1084.466452][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1084.466452][ T74] netdev_get_by_index+0x5e/0x80 [ 1084.466452][ T74] fib6_nh_init+0x3d8/0x1580 [ 1084.466452][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1084.466452][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1084.466452][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1084.466452][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1084.466452][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1084.466452][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1084.466452][ T74] addrconf_dad_begin+0x310/0x670 [ 1084.466452][ T74] addrconf_dad_work+0x10b/0xab0 [ 1084.466452][ T74] process_one_work+0x84d/0x18a0 [ 1084.466452][ T74] worker_thread+0x587/0xd30 [ 1084.466452][ T74] kthread+0x28a/0x350 [ 1084.466452][ T74] ret_from_fork+0x31/0x70 [ 1084.466452][ T74] ret_from_fork_asm+0x1a/0x30 [ 1084.466452][ T74] [ 1084.468605][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1084.468605][ T74] netdev_get_by_index+0x5e/0x80 [ 1084.468605][ T74] fib6_nh_init+0x3d8/0x1580 [ 1084.468605][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1084.468605][ T74] ip6_route_add+0x1c/0x140 [ 1084.468605][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1084.468605][ T74] inet6_addr_add+0x4f8/0xa40 [ 1084.468605][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1084.468605][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1084.468605][ T74] netlink_rcv_skb+0x130/0x360 [ 1084.468605][ T74] netlink_unicast+0x449/0x710 [ 1084.468605][ T74] netlink_sendmsg+0x723/0xbe0 [ 1084.468605][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1084.468605][ T74] ___sys_sendmsg+0xee/0x170 [ 1084.468605][ T74] __sys_sendmsg+0xcd/0x170 [ 1084.468605][ T74] do_syscall_64+0xc6/0x1e0 [ 1084.468605][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1084.468605][ T74] [ 1084.470854][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1084.470854][ T74] netdev_get_by_index+0x5e/0x80 [ 1084.470854][ T74] fib6_nh_init+0x3d8/0x1580 [ 1084.470854][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1084.470854][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1084.470854][ T74] ipv6_add_addr+0x411/0x2000 [ 1084.470854][ T74] inet6_addr_add+0x30e/0xa40 [ 1084.470854][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1084.470854][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1084.470854][ T74] netlink_rcv_skb+0x130/0x360 [ 1084.470854][ T74] netlink_unicast+0x449/0x710 [ 1084.470854][ T74] netlink_sendmsg+0x723/0xbe0 [ 1084.470854][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1084.470854][ T74] ___sys_sendmsg+0xee/0x170 [ 1084.470854][ T74] __sys_sendmsg+0xcd/0x170 [ 1084.470854][ T74] do_syscall_64+0xc6/0x1e0 [ 1084.470854][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1084.470854][ T74] [ 1084.473097][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1084.473097][ T74] netdev_get_by_index+0x5e/0x80 [ 1084.473097][ T74] fib6_nh_init+0x3d8/0x1580 [ 1084.473097][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1084.473097][ T74] ip6_route_add+0x1c/0x140 [ 1084.473097][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1084.473097][ T74] addrconf_add_dev+0xe2/0x170 [ 1084.473097][ T74] inet6_addr_add+0x12f/0xa40 [ 1084.473097][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1084.473097][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1084.473097][ T74] netlink_rcv_skb+0x130/0x360 [ 1084.473097][ T74] netlink_unicast+0x449/0x710 [ 1084.473097][ T74] netlink_sendmsg+0x723/0xbe0 [ 1084.473097][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1084.473097][ T74] ___sys_sendmsg+0xee/0x170 [ 1084.473097][ T74] __sys_sendmsg+0xcd/0x170 [ 1084.473097][ T74] do_syscall_64+0xc6/0x1e0 [ 1084.473097][ T74] [ 1084.475310][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1084.475310][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1084.475310][ T74] ipv6_find_idev+0x102/0x170 [ 1084.475310][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1084.475310][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1084.475310][ T74] netlink_rcv_skb+0x130/0x360 [ 1084.475310][ T74] netlink_unicast+0x449/0x710 [ 1084.475310][ T74] netlink_sendmsg+0x723/0xbe0 [ 1084.475310][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1084.475310][ T74] ___sys_sendmsg+0xee/0x170 [ 1084.475310][ T74] __sys_sendmsg+0xcd/0x170 [ 1084.475310][ T74] do_syscall_64+0xc6/0x1e0 [ 1084.475310][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1084.475310][ T74] [ 1084.477025][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1084.477025][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1084.477025][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1084.477025][ T74] ipv6_find_idev+0x102/0x170 [ 1084.477025][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1084.477025][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1084.477025][ T74] netlink_rcv_skb+0x130/0x360 [ 1084.477025][ T74] netlink_unicast+0x449/0x710 [ 1084.477025][ T74] netlink_sendmsg+0x723/0xbe0 [ 1084.477025][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1084.477025][ T74] ___sys_sendmsg+0xee/0x170 [ 1084.477025][ T74] __sys_sendmsg+0xcd/0x170 [ 1084.477025][ T74] do_syscall_64+0xc6/0x1e0 [ 1084.477025][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1084.477025][ T74] [ 1084.478888][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1084.479195][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1084.479195][ T74] dst_init+0x84/0x4a0 [ 1084.479195][ T74] dst_alloc+0x97/0x150 [ 1084.479195][ T74] ip6_dst_alloc+0x23/0x90 [ 1084.479195][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1084.479195][ T74] ip6_pol_route+0x56f/0x840 [ 1084.479195][ T74] fib6_rule_lookup+0x456/0x630 [ 1084.479195][ T74] ip6_route_input+0x59c/0xa50 [ 1084.479195][ T74] ipv6_rcv+0x397/0x810 [ 1084.479195][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1084.479195][ T74] process_backlog+0x101/0x620 [ 1084.479195][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1084.479195][ T74] net_rx_action+0x495/0xbe0 [ 1084.479195][ T74] __do_softirq+0x1b5/0x7f6 [ 1084.479195][ T74] [ 1084.481019][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1084.481019][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1084.481019][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1084.481019][ T74] fib6_nh_init+0xa22/0x1580 [ 1084.481019][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1084.481019][ T74] ip6_route_add+0x1c/0x140 [ 1084.481019][ T74] inet6_rtm_newroute+0x104/0x110 [ 1084.481019][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1084.481019][ T74] netlink_rcv_skb+0x130/0x360 [ 1084.481019][ T74] netlink_unicast+0x449/0x710 [ 1084.481019][ T74] netlink_sendmsg+0x723/0xbe0 [ 1084.481019][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1084.481019][ T74] ___sys_sendmsg+0xee/0x170 [ 1084.481019][ T74] __sys_sendmsg+0xcd/0x170 [ 1084.481019][ T74] do_syscall_64+0xc6/0x1e0 [ 1084.481019][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1084.481019][ T74] [ 1084.483128][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1084.483128][ T74] netdev_get_by_index+0x5e/0x80 [ 1084.483128][ T74] fib6_nh_init+0x3d8/0x1580 [ 1084.483128][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1084.483128][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1084.483128][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1084.483128][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1084.483128][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1084.483128][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1084.483128][ T74] addrconf_dad_begin+0x310/0x670 [ 1084.483128][ T74] addrconf_dad_work+0x10b/0xab0 [ 1084.483128][ T74] process_one_work+0x84d/0x18a0 [ 1084.483128][ T74] worker_thread+0x587/0xd30 [ 1084.483128][ T74] kthread+0x28a/0x350 [ 1084.483128][ T74] ret_from_fork+0x31/0x70 [ 1084.483128][ T74] ret_from_fork_asm+0x1a/0x30 [ 1084.483128][ T74] [ 1084.485341][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1084.485341][ T74] netdev_get_by_index+0x5e/0x80 [ 1084.485341][ T74] fib6_nh_init+0x3d8/0x1580 [ 1084.485341][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1084.485341][ T74] ip6_route_add+0x1c/0x140 [ 1084.485341][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1084.485341][ T74] inet6_addr_add+0x4f8/0xa40 [ 1084.485341][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1084.485341][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1084.485341][ T74] netlink_rcv_skb+0x130/0x360 [ 1084.485341][ T74] netlink_unicast+0x449/0x710 [ 1084.485341][ T74] netlink_sendmsg+0x723/0xbe0 [ 1084.485341][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1084.485341][ T74] ___sys_sendmsg+0xee/0x170 [ 1084.485341][ T74] __sys_sendmsg+0xcd/0x170 [ 1084.485341][ T74] do_syscall_64+0xc6/0x1e0 [ 1084.485341][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1084.485341][ T74] [ 1084.487761][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1084.487761][ T74] netdev_get_by_index+0x5e/0x80 [ 1084.487761][ T74] fib6_nh_init+0x3d8/0x1580 [ 1084.487761][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1084.487761][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1084.487761][ T74] ipv6_add_addr+0x411/0x2000 [ 1084.487761][ T74] inet6_addr_add+0x30e/0xa40 [ 1084.487761][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1084.487761][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1084.487761][ T74] netlink_rcv_skb+0x130/0x360 [ 1084.487761][ T74] netlink_unicast+0x449/0x710 [ 1084.487761][ T74] netlink_sendmsg+0x723/0xbe0 [ 1084.487761][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1084.487761][ T74] ___sys_sendmsg+0xee/0x170 [ 1084.487761][ T74] __sys_sendmsg+0xcd/0x170 [ 1084.487761][ T74] do_syscall_64+0xc6/0x1e0 [ 1084.487761][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1084.487761][ T74] [ 1084.490321][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1084.490321][ T74] netdev_get_by_index+0x5e/0x80 [ 1084.490321][ T74] fib6_nh_init+0x3d8/0x1580 [ 1084.490321][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1084.490321][ T74] ip6_route_add+0x1c/0x140 [ 1084.490321][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1084.490321][ T74] addrconf_add_dev+0xe2/0x170 [ 1084.490321][ T74] inet6_addr_add+0x12f/0xa40 [ 1084.490321][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1084.490321][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1084.490321][ T74] netlink_rcv_skb+0x130/0x360 [ 1084.490321][ T74] netlink_unicast+0x449/0x710 [ 1084.490321][ T74] netlink_sendmsg+0x723/0xbe0 [ 1084.490321][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1084.490321][ T74] ___sys_sendmsg+0xee/0x170 [ 1084.490321][ T74] __sys_sendmsg+0xcd/0x170 [ 1084.490321][ T74] do_syscall_64+0xc6/0x1e0 [ 1084.490321][ T74] [ 1084.492826][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1084.492826][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1084.492826][ T74] ipv6_find_idev+0x102/0x170 [ 1084.492826][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1084.492826][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1084.492826][ T74] netlink_rcv_skb+0x130/0x360 [ 1084.492826][ T74] netlink_unicast+0x449/0x710 [ 1084.492826][ T74] netlink_sendmsg+0x723/0xbe0 [ 1084.492826][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1084.492826][ T74] ___sys_sendmsg+0xee/0x170 [ 1084.492826][ T74] __sys_sendmsg+0xcd/0x170 [ 1084.492826][ T74] do_syscall_64+0xc6/0x1e0 [ 1084.492826][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1084.492826][ T74] [ 1084.494737][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1084.494737][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1084.494737][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1084.494737][ T74] ipv6_find_idev+0x102/0x170 [ 1084.494737][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1084.494737][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1084.494737][ T74] netlink_rcv_skb+0x130/0x360 [ 1084.494737][ T74] netlink_unicast+0x449/0x710 [ 1084.494737][ T74] netlink_sendmsg+0x723/0xbe0 [ 1084.494737][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1084.494737][ T74] ___sys_sendmsg+0xee/0x170 [ 1084.494737][ T74] __sys_sendmsg+0xcd/0x170 [ 1084.494737][ T74] do_syscall_64+0xc6/0x1e0 [ 1084.494737][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1084.494737][ T74] [ 1084.496854][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1084.497120][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1084.497120][ T74] netdev_get_by_index+0x5e/0x80 [ 1084.497120][ T74] fib6_nh_init+0x3d8/0x1580 [ 1084.497120][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1084.497120][ T74] ip6_route_add+0x1c/0x140 [ 1084.497120][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1084.497120][ T74] inet6_addr_add+0x4f8/0xa40 [ 1084.497120][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1084.497120][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1084.497120][ T74] netlink_rcv_skb+0x130/0x360 [ 1084.497120][ T74] netlink_unicast+0x449/0x710 [ 1084.497120][ T74] netlink_sendmsg+0x723/0xbe0 [ 1084.497120][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1084.497120][ T74] ___sys_sendmsg+0xee/0x170 [ 1084.497120][ T74] __sys_sendmsg+0xcd/0x170 [ 1084.497120][ T74] do_syscall_64+0xc6/0x1e0 [ 1084.497120][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1084.497120][ T74] [ 1084.499540][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1084.499540][ T74] netdev_get_by_index+0x5e/0x80 [ 1084.499540][ T74] fib6_nh_init+0x3d8/0x1580 [ 1084.499540][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1084.499540][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1084.499540][ T74] ipv6_add_addr+0x411/0x2000 [ 1084.499540][ T74] inet6_addr_add+0x30e/0xa40 [ 1084.499540][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1084.499540][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1084.499540][ T74] netlink_rcv_skb+0x130/0x360 [ 1084.499540][ T74] netlink_unicast+0x449/0x710 [ 1084.499540][ T74] netlink_sendmsg+0x723/0xbe0 [ 1084.499540][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1084.499540][ T74] ___sys_sendmsg+0xee/0x170 [ 1084.499540][ T74] __sys_sendmsg+0xcd/0x170 [ 1084.499540][ T74] do_syscall_64+0xc6/0x1e0 [ 1084.499540][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1084.499540][ T74] [ 1084.501968][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1084.501968][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1084.501968][ T74] ipv6_find_idev+0x102/0x170 [ 1084.501968][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1084.501968][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1084.501968][ T74] netlink_rcv_skb+0x130/0x360 [ 1084.501968][ T74] netlink_unicast+0x449/0x710 [ 1084.501968][ T74] netlink_sendmsg+0x723/0xbe0 [ 1084.501968][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1084.501968][ T74] ___sys_sendmsg+0xee/0x170 [ 1084.501968][ T74] __sys_sendmsg+0xcd/0x170 [ 1084.501968][ T74] do_syscall_64+0xc6/0x1e0 [ 1084.501968][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1084.501968][ T74] [ 1084.503889][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1084.503889][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1084.503889][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1084.503889][ T74] ipv6_find_idev+0x102/0x170 [ 1084.503889][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1084.503889][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1084.503889][ T74] netlink_rcv_skb+0x130/0x360 [ 1084.503889][ T74] netlink_unicast+0x449/0x710 [ 1084.503889][ T74] netlink_sendmsg+0x723/0xbe0 [ 1084.503889][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1084.503889][ T74] ___sys_sendmsg+0xee/0x170 [ 1084.503889][ T74] __sys_sendmsg+0xcd/0x170 [ 1084.503889][ T74] do_syscall_64+0xc6/0x1e0 [ 1084.503889][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1084.503889][ T74] [ 1086.755243][ T6002] br0: port 1(vx0) entered blocking state [ 1086.755516][ T6002] br0: port 1(vx0) entered disabled state [ 1086.755708][ T6002] vx0: entered allmulticast mode [ 1086.756932][ T6002] vx0: entered promiscuous mode [ 1086.758751][ T6002] br0: port 1(vx0) entered blocking state [ 1086.758944][ T6002] br0: port 1(vx0) entered forwarding state [ 1094.567864][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1094.568203][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1094.568203][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1094.568203][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1094.568203][ T74] fib6_nh_init+0xa22/0x1580 [ 1094.568203][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1094.568203][ T74] ip6_route_add+0x1c/0x140 [ 1094.568203][ T74] inet6_rtm_newroute+0x104/0x110 [ 1094.568203][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1094.568203][ T74] netlink_rcv_skb+0x130/0x360 [ 1094.568203][ T74] netlink_unicast+0x449/0x710 [ 1094.568203][ T74] netlink_sendmsg+0x723/0xbe0 [ 1094.568203][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1094.568203][ T74] ___sys_sendmsg+0xee/0x170 [ 1094.568203][ T74] __sys_sendmsg+0xcd/0x170 [ 1094.568203][ T74] do_syscall_64+0xc6/0x1e0 [ 1094.568203][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1094.568203][ T74] [ 1094.570393][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1094.570393][ T74] netdev_get_by_index+0x5e/0x80 [ 1094.570393][ T74] fib6_nh_init+0x3d8/0x1580 [ 1094.570393][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1094.570393][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1094.570393][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1094.570393][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1094.570393][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1094.570393][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1094.570393][ T74] addrconf_dad_begin+0x310/0x670 [ 1094.570393][ T74] addrconf_dad_work+0x10b/0xab0 [ 1094.570393][ T74] process_one_work+0x84d/0x18a0 [ 1094.570393][ T74] worker_thread+0x587/0xd30 [ 1094.570393][ T74] kthread+0x28a/0x350 [ 1094.570393][ T74] ret_from_fork+0x31/0x70 [ 1094.570393][ T74] ret_from_fork_asm+0x1a/0x30 [ 1094.570393][ T74] [ 1094.572614][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1094.572614][ T74] netdev_get_by_index+0x5e/0x80 [ 1094.572614][ T74] fib6_nh_init+0x3d8/0x1580 [ 1094.572614][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1094.572614][ T74] ip6_route_add+0x1c/0x140 [ 1094.572614][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1094.572614][ T74] inet6_addr_add+0x4f8/0xa40 [ 1094.572614][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1094.572614][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1094.572614][ T74] netlink_rcv_skb+0x130/0x360 [ 1094.572614][ T74] netlink_unicast+0x449/0x710 [ 1094.572614][ T74] netlink_sendmsg+0x723/0xbe0 [ 1094.572614][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1094.572614][ T74] ___sys_sendmsg+0xee/0x170 [ 1094.572614][ T74] __sys_sendmsg+0xcd/0x170 [ 1094.572614][ T74] do_syscall_64+0xc6/0x1e0 [ 1094.572614][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1094.572614][ T74] [ 1094.574935][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1094.574935][ T74] netdev_get_by_index+0x5e/0x80 [ 1094.574935][ T74] fib6_nh_init+0x3d8/0x1580 [ 1094.574935][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1094.574935][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1094.574935][ T74] ipv6_add_addr+0x411/0x2000 [ 1094.574935][ T74] inet6_addr_add+0x30e/0xa40 [ 1094.574935][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1094.574935][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1094.574935][ T74] netlink_rcv_skb+0x130/0x360 [ 1094.574935][ T74] netlink_unicast+0x449/0x710 [ 1094.574935][ T74] netlink_sendmsg+0x723/0xbe0 [ 1094.574935][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1094.574935][ T74] ___sys_sendmsg+0xee/0x170 [ 1094.574935][ T74] __sys_sendmsg+0xcd/0x170 [ 1094.574935][ T74] do_syscall_64+0xc6/0x1e0 [ 1094.574935][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1094.574935][ T74] [ 1094.577242][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1094.577242][ T74] netdev_get_by_index+0x5e/0x80 [ 1094.577242][ T74] fib6_nh_init+0x3d8/0x1580 [ 1094.577242][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1094.577242][ T74] ip6_route_add+0x1c/0x140 [ 1094.577242][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1094.577242][ T74] addrconf_add_dev+0xe2/0x170 [ 1094.577242][ T74] inet6_addr_add+0x12f/0xa40 [ 1094.577242][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1094.577242][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1094.577242][ T74] netlink_rcv_skb+0x130/0x360 [ 1094.577242][ T74] netlink_unicast+0x449/0x710 [ 1094.577242][ T74] netlink_sendmsg+0x723/0xbe0 [ 1094.577242][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1094.577242][ T74] ___sys_sendmsg+0xee/0x170 [ 1094.577242][ T74] __sys_sendmsg+0xcd/0x170 [ 1094.577242][ T74] do_syscall_64+0xc6/0x1e0 [ 1094.577242][ T74] [ 1094.579497][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1094.579497][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1094.579497][ T74] ipv6_find_idev+0x102/0x170 [ 1094.579497][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1094.579497][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1094.579497][ T74] netlink_rcv_skb+0x130/0x360 [ 1094.579497][ T74] netlink_unicast+0x449/0x710 [ 1094.579497][ T74] netlink_sendmsg+0x723/0xbe0 [ 1094.579497][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1094.579497][ T74] ___sys_sendmsg+0xee/0x170 [ 1094.579497][ T74] __sys_sendmsg+0xcd/0x170 [ 1094.579497][ T74] do_syscall_64+0xc6/0x1e0 [ 1094.579497][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1094.579497][ T74] [ 1094.581264][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1094.581264][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1094.581264][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1094.581264][ T74] ipv6_find_idev+0x102/0x170 [ 1094.581264][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1094.581264][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1094.581264][ T74] netlink_rcv_skb+0x130/0x360 [ 1094.581264][ T74] netlink_unicast+0x449/0x710 [ 1094.581264][ T74] netlink_sendmsg+0x723/0xbe0 [ 1094.581264][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1094.581264][ T74] ___sys_sendmsg+0xee/0x170 [ 1094.581264][ T74] __sys_sendmsg+0xcd/0x170 [ 1094.581264][ T74] do_syscall_64+0xc6/0x1e0 [ 1094.581264][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1094.581264][ T74] [ 1094.583192][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1094.583500][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1094.583500][ T74] dst_init+0x84/0x4a0 [ 1094.583500][ T74] dst_alloc+0x97/0x150 [ 1094.583500][ T74] ip6_dst_alloc+0x23/0x90 [ 1094.583500][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1094.583500][ T74] ip6_pol_route+0x56f/0x840 [ 1094.583500][ T74] fib6_rule_lookup+0x456/0x630 [ 1094.583500][ T74] ip6_route_input+0x59c/0xa50 [ 1094.583500][ T74] ipv6_rcv+0x397/0x810 [ 1094.583500][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1094.583500][ T74] process_backlog+0x101/0x620 [ 1094.583500][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1094.583500][ T74] net_rx_action+0x495/0xbe0 [ 1094.583500][ T74] __do_softirq+0x1b5/0x7f6 [ 1094.583500][ T74] [ 1094.585748][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1094.585748][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1094.585748][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1094.585748][ T74] fib6_nh_init+0xa22/0x1580 [ 1094.585748][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1094.585748][ T74] ip6_route_add+0x1c/0x140 [ 1094.585748][ T74] inet6_rtm_newroute+0x104/0x110 [ 1094.585748][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1094.585748][ T74] netlink_rcv_skb+0x130/0x360 [ 1094.585748][ T74] netlink_unicast+0x449/0x710 [ 1094.585748][ T74] netlink_sendmsg+0x723/0xbe0 [ 1094.585748][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1094.585748][ T74] ___sys_sendmsg+0xee/0x170 [ 1094.585748][ T74] __sys_sendmsg+0xcd/0x170 [ 1094.585748][ T74] do_syscall_64+0xc6/0x1e0 [ 1094.585748][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1094.585748][ T74] [ 1094.588043][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1094.588043][ T74] netdev_get_by_index+0x5e/0x80 [ 1094.588043][ T74] fib6_nh_init+0x3d8/0x1580 [ 1094.588043][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1094.588043][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1094.588043][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1094.588043][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1094.588043][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1094.588043][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1094.588043][ T74] addrconf_dad_begin+0x310/0x670 [ 1094.588043][ T74] addrconf_dad_work+0x10b/0xab0 [ 1094.588043][ T74] process_one_work+0x84d/0x18a0 [ 1094.588043][ T74] worker_thread+0x587/0xd30 [ 1094.588043][ T74] kthread+0x28a/0x350 [ 1094.588043][ T74] ret_from_fork+0x31/0x70 [ 1094.588043][ T74] ret_from_fork_asm+0x1a/0x30 [ 1094.588043][ T74] [ 1094.590477][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1094.590477][ T74] netdev_get_by_index+0x5e/0x80 [ 1094.590477][ T74] fib6_nh_init+0x3d8/0x1580 [ 1094.590477][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1094.590477][ T74] ip6_route_add+0x1c/0x140 [ 1094.590477][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1094.590477][ T74] inet6_addr_add+0x4f8/0xa40 [ 1094.590477][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1094.590477][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1094.590477][ T74] netlink_rcv_skb+0x130/0x360 [ 1094.590477][ T74] netlink_unicast+0x449/0x710 [ 1094.590477][ T74] netlink_sendmsg+0x723/0xbe0 [ 1094.590477][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1094.590477][ T74] ___sys_sendmsg+0xee/0x170 [ 1094.590477][ T74] __sys_sendmsg+0xcd/0x170 [ 1094.590477][ T74] do_syscall_64+0xc6/0x1e0 [ 1094.590477][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1094.590477][ T74] [ 1094.592967][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1094.592967][ T74] netdev_get_by_index+0x5e/0x80 [ 1094.592967][ T74] fib6_nh_init+0x3d8/0x1580 [ 1094.592967][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1094.592967][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1094.592967][ T74] ipv6_add_addr+0x411/0x2000 [ 1094.592967][ T74] inet6_addr_add+0x30e/0xa40 [ 1094.592967][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1094.592967][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1094.592967][ T74] netlink_rcv_skb+0x130/0x360 [ 1094.592967][ T74] netlink_unicast+0x449/0x710 [ 1094.592967][ T74] netlink_sendmsg+0x723/0xbe0 [ 1094.592967][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1094.592967][ T74] ___sys_sendmsg+0xee/0x170 [ 1094.592967][ T74] __sys_sendmsg+0xcd/0x170 [ 1094.592967][ T74] do_syscall_64+0xc6/0x1e0 [ 1094.592967][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1094.592967][ T74] [ 1094.595448][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1094.595448][ T74] netdev_get_by_index+0x5e/0x80 [ 1094.595448][ T74] fib6_nh_init+0x3d8/0x1580 [ 1094.595448][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1094.595448][ T74] ip6_route_add+0x1c/0x140 [ 1094.595448][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1094.595448][ T74] addrconf_add_dev+0xe2/0x170 [ 1094.595448][ T74] inet6_addr_add+0x12f/0xa40 [ 1094.595448][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1094.595448][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1094.595448][ T74] netlink_rcv_skb+0x130/0x360 [ 1094.595448][ T74] netlink_unicast+0x449/0x710 [ 1094.595448][ T74] netlink_sendmsg+0x723/0xbe0 [ 1094.595448][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1094.595448][ T74] ___sys_sendmsg+0xee/0x170 [ 1094.595448][ T74] __sys_sendmsg+0xcd/0x170 [ 1094.595448][ T74] do_syscall_64+0xc6/0x1e0 [ 1094.595448][ T74] [ 1094.597928][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1094.597928][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1094.597928][ T74] ipv6_find_idev+0x102/0x170 [ 1094.597928][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1094.597928][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1094.597928][ T74] netlink_rcv_skb+0x130/0x360 [ 1094.597928][ T74] netlink_unicast+0x449/0x710 [ 1094.597928][ T74] netlink_sendmsg+0x723/0xbe0 [ 1094.597928][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1094.597928][ T74] ___sys_sendmsg+0xee/0x170 [ 1094.597928][ T74] __sys_sendmsg+0xcd/0x170 [ 1094.597928][ T74] do_syscall_64+0xc6/0x1e0 [ 1094.597928][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1094.597928][ T74] [ 1094.599845][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1094.599845][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1094.599845][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1094.599845][ T74] ipv6_find_idev+0x102/0x170 [ 1094.599845][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1094.599845][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1094.599845][ T74] netlink_rcv_skb+0x130/0x360 [ 1094.599845][ T74] netlink_unicast+0x449/0x710 [ 1094.599845][ T74] netlink_sendmsg+0x723/0xbe0 [ 1094.599845][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1094.599845][ T74] ___sys_sendmsg+0xee/0x170 [ 1094.599845][ T74] __sys_sendmsg+0xcd/0x170 [ 1094.599845][ T74] do_syscall_64+0xc6/0x1e0 [ 1094.599845][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1094.599845][ T74] [ 1094.602552][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1094.602832][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1094.602832][ T74] netdev_get_by_index+0x5e/0x80 [ 1094.602832][ T74] fib6_nh_init+0x3d8/0x1580 [ 1094.602832][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1094.602832][ T74] ip6_route_add+0x1c/0x140 [ 1094.602832][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1094.602832][ T74] inet6_addr_add+0x4f8/0xa40 [ 1094.602832][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1094.602832][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1094.602832][ T74] netlink_rcv_skb+0x130/0x360 [ 1094.602832][ T74] netlink_unicast+0x449/0x710 [ 1094.602832][ T74] netlink_sendmsg+0x723/0xbe0 [ 1094.602832][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1094.602832][ T74] ___sys_sendmsg+0xee/0x170 [ 1094.602832][ T74] __sys_sendmsg+0xcd/0x170 [ 1094.602832][ T74] do_syscall_64+0xc6/0x1e0 [ 1094.602832][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1094.602832][ T74] [ 1094.605241][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1094.605241][ T74] netdev_get_by_index+0x5e/0x80 [ 1094.605241][ T74] fib6_nh_init+0x3d8/0x1580 [ 1094.605241][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1094.605241][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1094.605241][ T74] ipv6_add_addr+0x411/0x2000 [ 1094.605241][ T74] inet6_addr_add+0x30e/0xa40 [ 1094.605241][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1094.605241][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1094.605241][ T74] netlink_rcv_skb+0x130/0x360 [ 1094.605241][ T74] netlink_unicast+0x449/0x710 [ 1094.605241][ T74] netlink_sendmsg+0x723/0xbe0 [ 1094.605241][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1094.605241][ T74] ___sys_sendmsg+0xee/0x170 [ 1094.605241][ T74] __sys_sendmsg+0xcd/0x170 [ 1094.605241][ T74] do_syscall_64+0xc6/0x1e0 [ 1094.605241][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1094.605241][ T74] [ 1094.607818][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1094.607818][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1094.607818][ T74] ipv6_find_idev+0x102/0x170 [ 1094.607818][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1094.607818][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1094.607818][ T74] netlink_rcv_skb+0x130/0x360 [ 1094.607818][ T74] netlink_unicast+0x449/0x710 [ 1094.607818][ T74] netlink_sendmsg+0x723/0xbe0 [ 1094.607818][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1094.607818][ T74] ___sys_sendmsg+0xee/0x170 [ 1094.607818][ T74] __sys_sendmsg+0xcd/0x170 [ 1094.607818][ T74] do_syscall_64+0xc6/0x1e0 [ 1094.607818][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1094.607818][ T74] [ 1094.609785][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1094.609785][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1094.609785][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1094.609785][ T74] ipv6_find_idev+0x102/0x170 [ 1094.609785][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1094.609785][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1094.609785][ T74] netlink_rcv_skb+0x130/0x360 [ 1094.609785][ T74] netlink_unicast+0x449/0x710 [ 1094.609785][ T74] netlink_sendmsg+0x723/0xbe0 [ 1094.609785][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1094.609785][ T74] ___sys_sendmsg+0xee/0x170 [ 1094.609785][ T74] __sys_sendmsg+0xcd/0x170 [ 1094.609785][ T74] do_syscall_64+0xc6/0x1e0 [ 1094.609785][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1094.609785][ T74] [ 1104.760485][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1104.760822][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1104.760822][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1104.760822][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1104.760822][ T74] fib6_nh_init+0xa22/0x1580 [ 1104.760822][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1104.760822][ T74] ip6_route_add+0x1c/0x140 [ 1104.760822][ T74] inet6_rtm_newroute+0x104/0x110 [ 1104.760822][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1104.760822][ T74] netlink_rcv_skb+0x130/0x360 [ 1104.760822][ T74] netlink_unicast+0x449/0x710 [ 1104.760822][ T74] netlink_sendmsg+0x723/0xbe0 [ 1104.760822][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1104.760822][ T74] ___sys_sendmsg+0xee/0x170 [ 1104.760822][ T74] __sys_sendmsg+0xcd/0x170 [ 1104.760822][ T74] do_syscall_64+0xc6/0x1e0 [ 1104.760822][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1104.760822][ T74] [ 1104.762995][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1104.762995][ T74] netdev_get_by_index+0x5e/0x80 [ 1104.762995][ T74] fib6_nh_init+0x3d8/0x1580 [ 1104.762995][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1104.762995][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1104.762995][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1104.762995][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1104.762995][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1104.762995][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1104.762995][ T74] addrconf_dad_begin+0x310/0x670 [ 1104.762995][ T74] addrconf_dad_work+0x10b/0xab0 [ 1104.762995][ T74] process_one_work+0x84d/0x18a0 [ 1104.762995][ T74] worker_thread+0x587/0xd30 [ 1104.762995][ T74] kthread+0x28a/0x350 [ 1104.762995][ T74] ret_from_fork+0x31/0x70 [ 1104.762995][ T74] ret_from_fork_asm+0x1a/0x30 [ 1104.762995][ T74] [ 1104.765211][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1104.765211][ T74] netdev_get_by_index+0x5e/0x80 [ 1104.765211][ T74] fib6_nh_init+0x3d8/0x1580 [ 1104.765211][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1104.765211][ T74] ip6_route_add+0x1c/0x140 [ 1104.765211][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1104.765211][ T74] inet6_addr_add+0x4f8/0xa40 [ 1104.765211][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1104.765211][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1104.765211][ T74] netlink_rcv_skb+0x130/0x360 [ 1104.765211][ T74] netlink_unicast+0x449/0x710 [ 1104.765211][ T74] netlink_sendmsg+0x723/0xbe0 [ 1104.765211][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1104.765211][ T74] ___sys_sendmsg+0xee/0x170 [ 1104.765211][ T74] __sys_sendmsg+0xcd/0x170 [ 1104.765211][ T74] do_syscall_64+0xc6/0x1e0 [ 1104.765211][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1104.765211][ T74] [ 1104.767531][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1104.767531][ T74] netdev_get_by_index+0x5e/0x80 [ 1104.767531][ T74] fib6_nh_init+0x3d8/0x1580 [ 1104.767531][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1104.767531][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1104.767531][ T74] ipv6_add_addr+0x411/0x2000 [ 1104.767531][ T74] inet6_addr_add+0x30e/0xa40 [ 1104.767531][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1104.767531][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1104.767531][ T74] netlink_rcv_skb+0x130/0x360 [ 1104.767531][ T74] netlink_unicast+0x449/0x710 [ 1104.767531][ T74] netlink_sendmsg+0x723/0xbe0 [ 1104.767531][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1104.767531][ T74] ___sys_sendmsg+0xee/0x170 [ 1104.767531][ T74] __sys_sendmsg+0xcd/0x170 [ 1104.767531][ T74] do_syscall_64+0xc6/0x1e0 [ 1104.767531][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1104.767531][ T74] [ 1104.769841][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1104.769841][ T74] netdev_get_by_index+0x5e/0x80 [ 1104.769841][ T74] fib6_nh_init+0x3d8/0x1580 [ 1104.769841][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1104.769841][ T74] ip6_route_add+0x1c/0x140 [ 1104.769841][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1104.769841][ T74] addrconf_add_dev+0xe2/0x170 [ 1104.769841][ T74] inet6_addr_add+0x12f/0xa40 [ 1104.769841][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1104.769841][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1104.769841][ T74] netlink_rcv_skb+0x130/0x360 [ 1104.769841][ T74] netlink_unicast+0x449/0x710 [ 1104.769841][ T74] netlink_sendmsg+0x723/0xbe0 [ 1104.769841][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1104.769841][ T74] ___sys_sendmsg+0xee/0x170 [ 1104.769841][ T74] __sys_sendmsg+0xcd/0x170 [ 1104.769841][ T74] do_syscall_64+0xc6/0x1e0 [ 1104.769841][ T74] [ 1104.772090][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1104.772090][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1104.772090][ T74] ipv6_find_idev+0x102/0x170 [ 1104.772090][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1104.772090][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1104.772090][ T74] netlink_rcv_skb+0x130/0x360 [ 1104.772090][ T74] netlink_unicast+0x449/0x710 [ 1104.772090][ T74] netlink_sendmsg+0x723/0xbe0 [ 1104.772090][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1104.772090][ T74] ___sys_sendmsg+0xee/0x170 [ 1104.772090][ T74] __sys_sendmsg+0xcd/0x170 [ 1104.772090][ T74] do_syscall_64+0xc6/0x1e0 [ 1104.772090][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1104.772090][ T74] [ 1104.773845][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1104.773845][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1104.773845][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1104.773845][ T74] ipv6_find_idev+0x102/0x170 [ 1104.773845][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1104.773845][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1104.773845][ T74] netlink_rcv_skb+0x130/0x360 [ 1104.773845][ T74] netlink_unicast+0x449/0x710 [ 1104.773845][ T74] netlink_sendmsg+0x723/0xbe0 [ 1104.773845][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1104.773845][ T74] ___sys_sendmsg+0xee/0x170 [ 1104.773845][ T74] __sys_sendmsg+0xcd/0x170 [ 1104.773845][ T74] do_syscall_64+0xc6/0x1e0 [ 1104.773845][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1104.773845][ T74] [ 1104.775840][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1104.776292][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1104.776292][ T74] dst_init+0x84/0x4a0 [ 1104.776292][ T74] dst_alloc+0x97/0x150 [ 1104.776292][ T74] ip6_dst_alloc+0x23/0x90 [ 1104.776292][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1104.776292][ T74] ip6_pol_route+0x56f/0x840 [ 1104.776292][ T74] fib6_rule_lookup+0x456/0x630 [ 1104.776292][ T74] ip6_route_input+0x59c/0xa50 [ 1104.776292][ T74] ipv6_rcv+0x397/0x810 [ 1104.776292][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1104.776292][ T74] process_backlog+0x101/0x620 [ 1104.776292][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1104.776292][ T74] net_rx_action+0x495/0xbe0 [ 1104.776292][ T74] __do_softirq+0x1b5/0x7f6 [ 1104.776292][ T74] [ 1104.778174][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1104.778174][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1104.778174][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1104.778174][ T74] fib6_nh_init+0xa22/0x1580 [ 1104.778174][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1104.778174][ T74] ip6_route_add+0x1c/0x140 [ 1104.778174][ T74] inet6_rtm_newroute+0x104/0x110 [ 1104.778174][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1104.778174][ T74] netlink_rcv_skb+0x130/0x360 [ 1104.778174][ T74] netlink_unicast+0x449/0x710 [ 1104.778174][ T74] netlink_sendmsg+0x723/0xbe0 [ 1104.778174][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1104.778174][ T74] ___sys_sendmsg+0xee/0x170 [ 1104.778174][ T74] __sys_sendmsg+0xcd/0x170 [ 1104.778174][ T74] do_syscall_64+0xc6/0x1e0 [ 1104.778174][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1104.778174][ T74] [ 1104.780461][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1104.780461][ T74] netdev_get_by_index+0x5e/0x80 [ 1104.780461][ T74] fib6_nh_init+0x3d8/0x1580 [ 1104.780461][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1104.780461][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1104.780461][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1104.780461][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1104.780461][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1104.780461][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1104.780461][ T74] addrconf_dad_begin+0x310/0x670 [ 1104.780461][ T74] addrconf_dad_work+0x10b/0xab0 [ 1104.780461][ T74] process_one_work+0x84d/0x18a0 [ 1104.780461][ T74] worker_thread+0x587/0xd30 [ 1104.780461][ T74] kthread+0x28a/0x350 [ 1104.780461][ T74] ret_from_fork+0x31/0x70 [ 1104.780461][ T74] ret_from_fork_asm+0x1a/0x30 [ 1104.780461][ T74] [ 1104.782828][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1104.782828][ T74] netdev_get_by_index+0x5e/0x80 [ 1104.782828][ T74] fib6_nh_init+0x3d8/0x1580 [ 1104.782828][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1104.782828][ T74] ip6_route_add+0x1c/0x140 [ 1104.782828][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1104.782828][ T74] inet6_addr_add+0x4f8/0xa40 [ 1104.782828][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1104.782828][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1104.782828][ T74] netlink_rcv_skb+0x130/0x360 [ 1104.782828][ T74] netlink_unicast+0x449/0x710 [ 1104.782828][ T74] netlink_sendmsg+0x723/0xbe0 [ 1104.782828][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1104.782828][ T74] ___sys_sendmsg+0xee/0x170 [ 1104.782828][ T74] __sys_sendmsg+0xcd/0x170 [ 1104.782828][ T74] do_syscall_64+0xc6/0x1e0 [ 1104.782828][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1104.782828][ T74] [ 1104.785279][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1104.785279][ T74] netdev_get_by_index+0x5e/0x80 [ 1104.785279][ T74] fib6_nh_init+0x3d8/0x1580 [ 1104.785279][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1104.785279][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1104.785279][ T74] ipv6_add_addr+0x411/0x2000 [ 1104.785279][ T74] inet6_addr_add+0x30e/0xa40 [ 1104.785279][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1104.785279][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1104.785279][ T74] netlink_rcv_skb+0x130/0x360 [ 1104.785279][ T74] netlink_unicast+0x449/0x710 [ 1104.785279][ T74] netlink_sendmsg+0x723/0xbe0 [ 1104.785279][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1104.785279][ T74] ___sys_sendmsg+0xee/0x170 [ 1104.785279][ T74] __sys_sendmsg+0xcd/0x170 [ 1104.785279][ T74] do_syscall_64+0xc6/0x1e0 [ 1104.785279][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1104.785279][ T74] [ 1104.787767][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1104.787767][ T74] netdev_get_by_index+0x5e/0x80 [ 1104.787767][ T74] fib6_nh_init+0x3d8/0x1580 [ 1104.787767][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1104.787767][ T74] ip6_route_add+0x1c/0x140 [ 1104.787767][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1104.787767][ T74] addrconf_add_dev+0xe2/0x170 [ 1104.787767][ T74] inet6_addr_add+0x12f/0xa40 [ 1104.787767][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1104.787767][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1104.787767][ T74] netlink_rcv_skb+0x130/0x360 [ 1104.787767][ T74] netlink_unicast+0x449/0x710 [ 1104.787767][ T74] netlink_sendmsg+0x723/0xbe0 [ 1104.787767][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1104.787767][ T74] ___sys_sendmsg+0xee/0x170 [ 1104.787767][ T74] __sys_sendmsg+0xcd/0x170 [ 1104.787767][ T74] do_syscall_64+0xc6/0x1e0 [ 1104.787767][ T74] [ 1104.790188][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1104.790188][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1104.790188][ T74] ipv6_find_idev+0x102/0x170 [ 1104.790188][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1104.790188][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1104.790188][ T74] netlink_rcv_skb+0x130/0x360 [ 1104.790188][ T74] netlink_unicast+0x449/0x710 [ 1104.790188][ T74] netlink_sendmsg+0x723/0xbe0 [ 1104.790188][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1104.790188][ T74] ___sys_sendmsg+0xee/0x170 [ 1104.790188][ T74] __sys_sendmsg+0xcd/0x170 [ 1104.790188][ T74] do_syscall_64+0xc6/0x1e0 [ 1104.790188][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1104.790188][ T74] [ 1104.792120][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1104.792120][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1104.792120][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1104.792120][ T74] ipv6_find_idev+0x102/0x170 [ 1104.792120][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1104.792120][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1104.792120][ T74] netlink_rcv_skb+0x130/0x360 [ 1104.792120][ T74] netlink_unicast+0x449/0x710 [ 1104.792120][ T74] netlink_sendmsg+0x723/0xbe0 [ 1104.792120][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1104.792120][ T74] ___sys_sendmsg+0xee/0x170 [ 1104.792120][ T74] __sys_sendmsg+0xcd/0x170 [ 1104.792120][ T74] do_syscall_64+0xc6/0x1e0 [ 1104.792120][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1104.792120][ T74] [ 1104.794338][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1104.794750][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1104.794750][ T74] netdev_get_by_index+0x5e/0x80 [ 1104.794750][ T74] fib6_nh_init+0x3d8/0x1580 [ 1104.794750][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1104.794750][ T74] ip6_route_add+0x1c/0x140 [ 1104.794750][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1104.794750][ T74] inet6_addr_add+0x4f8/0xa40 [ 1104.794750][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1104.794750][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1104.794750][ T74] netlink_rcv_skb+0x130/0x360 [ 1104.794750][ T74] netlink_unicast+0x449/0x710 [ 1104.794750][ T74] netlink_sendmsg+0x723/0xbe0 [ 1104.794750][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1104.794750][ T74] ___sys_sendmsg+0xee/0x170 [ 1104.794750][ T74] __sys_sendmsg+0xcd/0x170 [ 1104.794750][ T74] do_syscall_64+0xc6/0x1e0 [ 1104.794750][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1104.794750][ T74] [ 1104.797322][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1104.797322][ T74] netdev_get_by_index+0x5e/0x80 [ 1104.797322][ T74] fib6_nh_init+0x3d8/0x1580 [ 1104.797322][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1104.797322][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1104.797322][ T74] ipv6_add_addr+0x411/0x2000 [ 1104.797322][ T74] inet6_addr_add+0x30e/0xa40 [ 1104.797322][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1104.797322][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1104.797322][ T74] netlink_rcv_skb+0x130/0x360 [ 1104.797322][ T74] netlink_unicast+0x449/0x710 [ 1104.797322][ T74] netlink_sendmsg+0x723/0xbe0 [ 1104.797322][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1104.797322][ T74] ___sys_sendmsg+0xee/0x170 [ 1104.797322][ T74] __sys_sendmsg+0xcd/0x170 [ 1104.797322][ T74] do_syscall_64+0xc6/0x1e0 [ 1104.797322][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1104.797322][ T74] [ 1104.799813][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1104.799813][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1104.799813][ T74] ipv6_find_idev+0x102/0x170 [ 1104.799813][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1104.799813][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1104.799813][ T74] netlink_rcv_skb+0x130/0x360 [ 1104.799813][ T74] netlink_unicast+0x449/0x710 [ 1104.799813][ T74] netlink_sendmsg+0x723/0xbe0 [ 1104.799813][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1104.799813][ T74] ___sys_sendmsg+0xee/0x170 [ 1104.799813][ T74] __sys_sendmsg+0xcd/0x170 [ 1104.799813][ T74] do_syscall_64+0xc6/0x1e0 [ 1104.799813][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1104.799813][ T74] [ 1104.801700][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1104.801700][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1104.801700][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1104.801700][ T74] ipv6_find_idev+0x102/0x170 [ 1104.801700][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1104.801700][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1104.801700][ T74] netlink_rcv_skb+0x130/0x360 [ 1104.801700][ T74] netlink_unicast+0x449/0x710 [ 1104.801700][ T74] netlink_sendmsg+0x723/0xbe0 [ 1104.801700][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1104.801700][ T74] ___sys_sendmsg+0xee/0x170 [ 1104.801700][ T74] __sys_sendmsg+0xcd/0x170 [ 1104.801700][ T74] do_syscall_64+0xc6/0x1e0 [ 1104.801700][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1104.801700][ T74] [ 1114.943973][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1114.944353][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1114.944353][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1114.944353][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1114.944353][ T74] fib6_nh_init+0xa22/0x1580 [ 1114.944353][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1114.944353][ T74] ip6_route_add+0x1c/0x140 [ 1114.944353][ T74] inet6_rtm_newroute+0x104/0x110 [ 1114.944353][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1114.944353][ T74] netlink_rcv_skb+0x130/0x360 [ 1114.944353][ T74] netlink_unicast+0x449/0x710 [ 1114.944353][ T74] netlink_sendmsg+0x723/0xbe0 [ 1114.944353][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1114.944353][ T74] ___sys_sendmsg+0xee/0x170 [ 1114.944353][ T74] __sys_sendmsg+0xcd/0x170 [ 1114.944353][ T74] do_syscall_64+0xc6/0x1e0 [ 1114.944353][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1114.944353][ T74] [ 1114.946673][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1114.946673][ T74] netdev_get_by_index+0x5e/0x80 [ 1114.946673][ T74] fib6_nh_init+0x3d8/0x1580 [ 1114.946673][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1114.946673][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1114.946673][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1114.946673][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1114.946673][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1114.946673][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1114.946673][ T74] addrconf_dad_begin+0x310/0x670 [ 1114.946673][ T74] addrconf_dad_work+0x10b/0xab0 [ 1114.946673][ T74] process_one_work+0x84d/0x18a0 [ 1114.946673][ T74] worker_thread+0x587/0xd30 [ 1114.946673][ T74] kthread+0x28a/0x350 [ 1114.946673][ T74] ret_from_fork+0x31/0x70 [ 1114.946673][ T74] ret_from_fork_asm+0x1a/0x30 [ 1114.946673][ T74] [ 1114.949047][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1114.949047][ T74] netdev_get_by_index+0x5e/0x80 [ 1114.949047][ T74] fib6_nh_init+0x3d8/0x1580 [ 1114.949047][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1114.949047][ T74] ip6_route_add+0x1c/0x140 [ 1114.949047][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1114.949047][ T74] inet6_addr_add+0x4f8/0xa40 [ 1114.949047][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1114.949047][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1114.949047][ T74] netlink_rcv_skb+0x130/0x360 [ 1114.949047][ T74] netlink_unicast+0x449/0x710 [ 1114.949047][ T74] netlink_sendmsg+0x723/0xbe0 [ 1114.949047][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1114.949047][ T74] ___sys_sendmsg+0xee/0x170 [ 1114.949047][ T74] __sys_sendmsg+0xcd/0x170 [ 1114.949047][ T74] do_syscall_64+0xc6/0x1e0 [ 1114.949047][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1114.949047][ T74] [ 1114.951510][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1114.951510][ T74] netdev_get_by_index+0x5e/0x80 [ 1114.951510][ T74] fib6_nh_init+0x3d8/0x1580 [ 1114.951510][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1114.951510][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1114.951510][ T74] ipv6_add_addr+0x411/0x2000 [ 1114.951510][ T74] inet6_addr_add+0x30e/0xa40 [ 1114.951510][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1114.951510][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1114.951510][ T74] netlink_rcv_skb+0x130/0x360 [ 1114.951510][ T74] netlink_unicast+0x449/0x710 [ 1114.951510][ T74] netlink_sendmsg+0x723/0xbe0 [ 1114.951510][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1114.951510][ T74] ___sys_sendmsg+0xee/0x170 [ 1114.951510][ T74] __sys_sendmsg+0xcd/0x170 [ 1114.951510][ T74] do_syscall_64+0xc6/0x1e0 [ 1114.951510][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1114.951510][ T74] [ 1114.953949][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1114.953949][ T74] netdev_get_by_index+0x5e/0x80 [ 1114.953949][ T74] fib6_nh_init+0x3d8/0x1580 [ 1114.953949][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1114.953949][ T74] ip6_route_add+0x1c/0x140 [ 1114.953949][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1114.953949][ T74] addrconf_add_dev+0xe2/0x170 [ 1114.953949][ T74] inet6_addr_add+0x12f/0xa40 [ 1114.953949][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1114.953949][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1114.953949][ T74] netlink_rcv_skb+0x130/0x360 [ 1114.953949][ T74] netlink_unicast+0x449/0x710 [ 1114.953949][ T74] netlink_sendmsg+0x723/0xbe0 [ 1114.953949][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1114.953949][ T74] ___sys_sendmsg+0xee/0x170 [ 1114.953949][ T74] __sys_sendmsg+0xcd/0x170 [ 1114.953949][ T74] do_syscall_64+0xc6/0x1e0 [ 1114.953949][ T74] [ 1114.956313][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1114.956313][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1114.956313][ T74] ipv6_find_idev+0x102/0x170 [ 1114.956313][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1114.956313][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1114.956313][ T74] netlink_rcv_skb+0x130/0x360 [ 1114.956313][ T74] netlink_unicast+0x449/0x710 [ 1114.956313][ T74] netlink_sendmsg+0x723/0xbe0 [ 1114.956313][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1114.956313][ T74] ___sys_sendmsg+0xee/0x170 [ 1114.956313][ T74] __sys_sendmsg+0xcd/0x170 [ 1114.956313][ T74] do_syscall_64+0xc6/0x1e0 [ 1114.956313][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1114.956313][ T74] [ 1114.958168][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1114.958168][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1114.958168][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1114.958168][ T74] ipv6_find_idev+0x102/0x170 [ 1114.958168][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1114.958168][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1114.958168][ T74] netlink_rcv_skb+0x130/0x360 [ 1114.958168][ T74] netlink_unicast+0x449/0x710 [ 1114.958168][ T74] netlink_sendmsg+0x723/0xbe0 [ 1114.958168][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1114.958168][ T74] ___sys_sendmsg+0xee/0x170 [ 1114.958168][ T74] __sys_sendmsg+0xcd/0x170 [ 1114.958168][ T74] do_syscall_64+0xc6/0x1e0 [ 1114.958168][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1114.958168][ T74] [ 1114.960209][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1114.960525][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1114.960525][ T74] dst_init+0x84/0x4a0 [ 1114.960525][ T74] dst_alloc+0x97/0x150 [ 1114.960525][ T74] ip6_dst_alloc+0x23/0x90 [ 1114.960525][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1114.960525][ T74] ip6_pol_route+0x56f/0x840 [ 1114.960525][ T74] fib6_rule_lookup+0x456/0x630 [ 1114.960525][ T74] ip6_route_input+0x59c/0xa50 [ 1114.960525][ T74] ipv6_rcv+0x397/0x810 [ 1114.960525][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1114.960525][ T74] process_backlog+0x101/0x620 [ 1114.960525][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1114.960525][ T74] net_rx_action+0x495/0xbe0 [ 1114.960525][ T74] __do_softirq+0x1b5/0x7f6 [ 1114.960525][ T74] [ 1114.962670][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1114.962670][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1114.962670][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1114.962670][ T74] fib6_nh_init+0xa22/0x1580 [ 1114.962670][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1114.962670][ T74] ip6_route_add+0x1c/0x140 [ 1114.962670][ T74] inet6_rtm_newroute+0x104/0x110 [ 1114.962670][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1114.962670][ T74] netlink_rcv_skb+0x130/0x360 [ 1114.962670][ T74] netlink_unicast+0x449/0x710 [ 1114.962670][ T74] netlink_sendmsg+0x723/0xbe0 [ 1114.962670][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1114.962670][ T74] ___sys_sendmsg+0xee/0x170 [ 1114.962670][ T74] __sys_sendmsg+0xcd/0x170 [ 1114.962670][ T74] do_syscall_64+0xc6/0x1e0 [ 1114.962670][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1114.962670][ T74] [ 1114.965339][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1114.965339][ T74] netdev_get_by_index+0x5e/0x80 [ 1114.965339][ T74] fib6_nh_init+0x3d8/0x1580 [ 1114.965339][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1114.965339][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1114.965339][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1114.965339][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1114.965339][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1114.965339][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1114.965339][ T74] addrconf_dad_begin+0x310/0x670 [ 1114.965339][ T74] addrconf_dad_work+0x10b/0xab0 [ 1114.965339][ T74] process_one_work+0x84d/0x18a0 [ 1114.965339][ T74] worker_thread+0x587/0xd30 [ 1114.965339][ T74] kthread+0x28a/0x350 [ 1114.965339][ T74] ret_from_fork+0x31/0x70 [ 1114.965339][ T74] ret_from_fork_asm+0x1a/0x30 [ 1114.965339][ T74] [ 1114.967853][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1114.967853][ T74] netdev_get_by_index+0x5e/0x80 [ 1114.967853][ T74] fib6_nh_init+0x3d8/0x1580 [ 1114.967853][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1114.967853][ T74] ip6_route_add+0x1c/0x140 [ 1114.967853][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1114.967853][ T74] inet6_addr_add+0x4f8/0xa40 [ 1114.967853][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1114.967853][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1114.967853][ T74] netlink_rcv_skb+0x130/0x360 [ 1114.967853][ T74] netlink_unicast+0x449/0x710 [ 1114.967853][ T74] netlink_sendmsg+0x723/0xbe0 [ 1114.967853][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1114.967853][ T74] ___sys_sendmsg+0xee/0x170 [ 1114.967853][ T74] __sys_sendmsg+0xcd/0x170 [ 1114.967853][ T74] do_syscall_64+0xc6/0x1e0 [ 1114.967853][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1114.967853][ T74] [ 1114.970506][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1114.970506][ T74] netdev_get_by_index+0x5e/0x80 [ 1114.970506][ T74] fib6_nh_init+0x3d8/0x1580 [ 1114.970506][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1114.970506][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1114.970506][ T74] ipv6_add_addr+0x411/0x2000 [ 1114.970506][ T74] inet6_addr_add+0x30e/0xa40 [ 1114.970506][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1114.970506][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1114.970506][ T74] netlink_rcv_skb+0x130/0x360 [ 1114.970506][ T74] netlink_unicast+0x449/0x710 [ 1114.970506][ T74] netlink_sendmsg+0x723/0xbe0 [ 1114.970506][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1114.970506][ T74] ___sys_sendmsg+0xee/0x170 [ 1114.970506][ T74] __sys_sendmsg+0xcd/0x170 [ 1114.970506][ T74] do_syscall_64+0xc6/0x1e0 [ 1114.970506][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1114.970506][ T74] [ 1114.973233][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1114.973233][ T74] netdev_get_by_index+0x5e/0x80 [ 1114.973233][ T74] fib6_nh_init+0x3d8/0x1580 [ 1114.973233][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1114.973233][ T74] ip6_route_add+0x1c/0x140 [ 1114.973233][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1114.973233][ T74] addrconf_add_dev+0xe2/0x170 [ 1114.973233][ T74] inet6_addr_add+0x12f/0xa40 [ 1114.973233][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1114.973233][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1114.973233][ T74] netlink_rcv_skb+0x130/0x360 [ 1114.973233][ T74] netlink_unicast+0x449/0x710 [ 1114.973233][ T74] netlink_sendmsg+0x723/0xbe0 [ 1114.973233][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1114.973233][ T74] ___sys_sendmsg+0xee/0x170 [ 1114.973233][ T74] __sys_sendmsg+0xcd/0x170 [ 1114.973233][ T74] do_syscall_64+0xc6/0x1e0 [ 1114.973233][ T74] [ 1114.975980][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1114.975980][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1114.975980][ T74] ipv6_find_idev+0x102/0x170 [ 1114.975980][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1114.975980][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1114.975980][ T74] netlink_rcv_skb+0x130/0x360 [ 1114.975980][ T74] netlink_unicast+0x449/0x710 [ 1114.975980][ T74] netlink_sendmsg+0x723/0xbe0 [ 1114.975980][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1114.975980][ T74] ___sys_sendmsg+0xee/0x170 [ 1114.975980][ T74] __sys_sendmsg+0xcd/0x170 [ 1114.975980][ T74] do_syscall_64+0xc6/0x1e0 [ 1114.975980][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1114.975980][ T74] [ 1114.977997][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1114.977997][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1114.977997][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1114.977997][ T74] ipv6_find_idev+0x102/0x170 [ 1114.977997][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1114.977997][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1114.977997][ T74] netlink_rcv_skb+0x130/0x360 [ 1114.977997][ T74] netlink_unicast+0x449/0x710 [ 1114.977997][ T74] netlink_sendmsg+0x723/0xbe0 [ 1114.977997][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1114.977997][ T74] ___sys_sendmsg+0xee/0x170 [ 1114.977997][ T74] __sys_sendmsg+0xcd/0x170 [ 1114.977997][ T74] do_syscall_64+0xc6/0x1e0 [ 1114.977997][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1114.977997][ T74] [ 1114.980338][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1114.980620][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1114.980620][ T74] netdev_get_by_index+0x5e/0x80 [ 1114.980620][ T74] fib6_nh_init+0x3d8/0x1580 [ 1114.980620][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1114.980620][ T74] ip6_route_add+0x1c/0x140 [ 1114.980620][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1114.980620][ T74] inet6_addr_add+0x4f8/0xa40 [ 1114.980620][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1114.980620][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1114.980620][ T74] netlink_rcv_skb+0x130/0x360 [ 1114.980620][ T74] netlink_unicast+0x449/0x710 [ 1114.980620][ T74] netlink_sendmsg+0x723/0xbe0 [ 1114.980620][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1114.980620][ T74] ___sys_sendmsg+0xee/0x170 [ 1114.980620][ T74] __sys_sendmsg+0xcd/0x170 [ 1114.980620][ T74] do_syscall_64+0xc6/0x1e0 [ 1114.980620][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1114.980620][ T74] [ 1114.983099][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1114.983099][ T74] netdev_get_by_index+0x5e/0x80 [ 1114.983099][ T74] fib6_nh_init+0x3d8/0x1580 [ 1114.983099][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1114.983099][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1114.983099][ T74] ipv6_add_addr+0x411/0x2000 [ 1114.983099][ T74] inet6_addr_add+0x30e/0xa40 [ 1114.983099][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1114.983099][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1114.983099][ T74] netlink_rcv_skb+0x130/0x360 [ 1114.983099][ T74] netlink_unicast+0x449/0x710 [ 1114.983099][ T74] netlink_sendmsg+0x723/0xbe0 [ 1114.983099][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1114.983099][ T74] ___sys_sendmsg+0xee/0x170 [ 1114.983099][ T74] __sys_sendmsg+0xcd/0x170 [ 1114.983099][ T74] do_syscall_64+0xc6/0x1e0 [ 1114.983099][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1114.983099][ T74] [ 1114.985499][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1114.985499][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1114.985499][ T74] ipv6_find_idev+0x102/0x170 [ 1114.985499][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1114.985499][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1114.985499][ T74] netlink_rcv_skb+0x130/0x360 [ 1114.985499][ T74] netlink_unicast+0x449/0x710 [ 1114.985499][ T74] netlink_sendmsg+0x723/0xbe0 [ 1114.985499][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1114.985499][ T74] ___sys_sendmsg+0xee/0x170 [ 1114.985499][ T74] __sys_sendmsg+0xcd/0x170 [ 1114.985499][ T74] do_syscall_64+0xc6/0x1e0 [ 1114.985499][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1114.985499][ T74] [ 1114.987759][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1114.987759][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1114.987759][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1114.987759][ T74] ipv6_find_idev+0x102/0x170 [ 1114.987759][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1114.987759][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1114.987759][ T74] netlink_rcv_skb+0x130/0x360 [ 1114.987759][ T74] netlink_unicast+0x449/0x710 [ 1114.987759][ T74] netlink_sendmsg+0x723/0xbe0 [ 1114.987759][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1114.987759][ T74] ___sys_sendmsg+0xee/0x170 [ 1114.987759][ T74] __sys_sendmsg+0xcd/0x170 [ 1114.987759][ T74] do_syscall_64+0xc6/0x1e0 [ 1114.987759][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1114.987759][ T74] [ 1125.135959][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1125.136423][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1125.136423][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1125.136423][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1125.136423][ T74] fib6_nh_init+0xa22/0x1580 [ 1125.136423][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1125.136423][ T74] ip6_route_add+0x1c/0x140 [ 1125.136423][ T74] inet6_rtm_newroute+0x104/0x110 [ 1125.136423][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1125.136423][ T74] netlink_rcv_skb+0x130/0x360 [ 1125.136423][ T74] netlink_unicast+0x449/0x710 [ 1125.136423][ T74] netlink_sendmsg+0x723/0xbe0 [ 1125.136423][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1125.136423][ T74] ___sys_sendmsg+0xee/0x170 [ 1125.136423][ T74] __sys_sendmsg+0xcd/0x170 [ 1125.136423][ T74] do_syscall_64+0xc6/0x1e0 [ 1125.136423][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1125.136423][ T74] [ 1125.138585][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1125.138585][ T74] netdev_get_by_index+0x5e/0x80 [ 1125.138585][ T74] fib6_nh_init+0x3d8/0x1580 [ 1125.138585][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1125.138585][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1125.138585][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1125.138585][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1125.138585][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1125.138585][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1125.138585][ T74] addrconf_dad_begin+0x310/0x670 [ 1125.138585][ T74] addrconf_dad_work+0x10b/0xab0 [ 1125.138585][ T74] process_one_work+0x84d/0x18a0 [ 1125.138585][ T74] worker_thread+0x587/0xd30 [ 1125.138585][ T74] kthread+0x28a/0x350 [ 1125.138585][ T74] ret_from_fork+0x31/0x70 [ 1125.138585][ T74] ret_from_fork_asm+0x1a/0x30 [ 1125.138585][ T74] [ 1125.140746][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1125.140746][ T74] netdev_get_by_index+0x5e/0x80 [ 1125.140746][ T74] fib6_nh_init+0x3d8/0x1580 [ 1125.140746][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1125.140746][ T74] ip6_route_add+0x1c/0x140 [ 1125.140746][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1125.140746][ T74] inet6_addr_add+0x4f8/0xa40 [ 1125.140746][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1125.140746][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1125.140746][ T74] netlink_rcv_skb+0x130/0x360 [ 1125.140746][ T74] netlink_unicast+0x449/0x710 [ 1125.140746][ T74] netlink_sendmsg+0x723/0xbe0 [ 1125.140746][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1125.140746][ T74] ___sys_sendmsg+0xee/0x170 [ 1125.140746][ T74] __sys_sendmsg+0xcd/0x170 [ 1125.140746][ T74] do_syscall_64+0xc6/0x1e0 [ 1125.140746][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1125.140746][ T74] [ 1125.143060][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1125.143060][ T74] netdev_get_by_index+0x5e/0x80 [ 1125.143060][ T74] fib6_nh_init+0x3d8/0x1580 [ 1125.143060][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1125.143060][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1125.143060][ T74] ipv6_add_addr+0x411/0x2000 [ 1125.143060][ T74] inet6_addr_add+0x30e/0xa40 [ 1125.143060][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1125.143060][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1125.143060][ T74] netlink_rcv_skb+0x130/0x360 [ 1125.143060][ T74] netlink_unicast+0x449/0x710 [ 1125.143060][ T74] netlink_sendmsg+0x723/0xbe0 [ 1125.143060][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1125.143060][ T74] ___sys_sendmsg+0xee/0x170 [ 1125.143060][ T74] __sys_sendmsg+0xcd/0x170 [ 1125.143060][ T74] do_syscall_64+0xc6/0x1e0 [ 1125.143060][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1125.143060][ T74] [ 1125.145372][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1125.145372][ T74] netdev_get_by_index+0x5e/0x80 [ 1125.145372][ T74] fib6_nh_init+0x3d8/0x1580 [ 1125.145372][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1125.145372][ T74] ip6_route_add+0x1c/0x140 [ 1125.145372][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1125.145372][ T74] addrconf_add_dev+0xe2/0x170 [ 1125.145372][ T74] inet6_addr_add+0x12f/0xa40 [ 1125.145372][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1125.145372][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1125.145372][ T74] netlink_rcv_skb+0x130/0x360 [ 1125.145372][ T74] netlink_unicast+0x449/0x710 [ 1125.145372][ T74] netlink_sendmsg+0x723/0xbe0 [ 1125.145372][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1125.145372][ T74] ___sys_sendmsg+0xee/0x170 [ 1125.145372][ T74] __sys_sendmsg+0xcd/0x170 [ 1125.145372][ T74] do_syscall_64+0xc6/0x1e0 [ 1125.145372][ T74] [ 1125.147633][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1125.147633][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1125.147633][ T74] ipv6_find_idev+0x102/0x170 [ 1125.147633][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1125.147633][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1125.147633][ T74] netlink_rcv_skb+0x130/0x360 [ 1125.147633][ T74] netlink_unicast+0x449/0x710 [ 1125.147633][ T74] netlink_sendmsg+0x723/0xbe0 [ 1125.147633][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1125.147633][ T74] ___sys_sendmsg+0xee/0x170 [ 1125.147633][ T74] __sys_sendmsg+0xcd/0x170 [ 1125.147633][ T74] do_syscall_64+0xc6/0x1e0 [ 1125.147633][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1125.147633][ T74] [ 1125.149560][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1125.149560][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1125.149560][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1125.149560][ T74] ipv6_find_idev+0x102/0x170 [ 1125.149560][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1125.149560][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1125.149560][ T74] netlink_rcv_skb+0x130/0x360 [ 1125.149560][ T74] netlink_unicast+0x449/0x710 [ 1125.149560][ T74] netlink_sendmsg+0x723/0xbe0 [ 1125.149560][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1125.149560][ T74] ___sys_sendmsg+0xee/0x170 [ 1125.149560][ T74] __sys_sendmsg+0xcd/0x170 [ 1125.149560][ T74] do_syscall_64+0xc6/0x1e0 [ 1125.149560][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1125.149560][ T74] [ 1125.151649][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1125.152029][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1125.152029][ T74] dst_init+0x84/0x4a0 [ 1125.152029][ T74] dst_alloc+0x97/0x150 [ 1125.152029][ T74] ip6_dst_alloc+0x23/0x90 [ 1125.152029][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1125.152029][ T74] ip6_pol_route+0x56f/0x840 [ 1125.152029][ T74] fib6_rule_lookup+0x456/0x630 [ 1125.152029][ T74] ip6_route_input+0x59c/0xa50 [ 1125.152029][ T74] ipv6_rcv+0x397/0x810 [ 1125.152029][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1125.152029][ T74] process_backlog+0x101/0x620 [ 1125.152029][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1125.152029][ T74] net_rx_action+0x495/0xbe0 [ 1125.152029][ T74] __do_softirq+0x1b5/0x7f6 [ 1125.152029][ T74] [ 1125.154037][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1125.154037][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1125.154037][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1125.154037][ T74] fib6_nh_init+0xa22/0x1580 [ 1125.154037][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1125.154037][ T74] ip6_route_add+0x1c/0x140 [ 1125.154037][ T74] inet6_rtm_newroute+0x104/0x110 [ 1125.154037][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1125.154037][ T74] netlink_rcv_skb+0x130/0x360 [ 1125.154037][ T74] netlink_unicast+0x449/0x710 [ 1125.154037][ T74] netlink_sendmsg+0x723/0xbe0 [ 1125.154037][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1125.154037][ T74] ___sys_sendmsg+0xee/0x170 [ 1125.154037][ T74] __sys_sendmsg+0xcd/0x170 [ 1125.154037][ T74] do_syscall_64+0xc6/0x1e0 [ 1125.154037][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1125.154037][ T74] [ 1125.156327][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1125.156327][ T74] netdev_get_by_index+0x5e/0x80 [ 1125.156327][ T74] fib6_nh_init+0x3d8/0x1580 [ 1125.156327][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1125.156327][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1125.156327][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1125.156327][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1125.156327][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1125.156327][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1125.156327][ T74] addrconf_dad_begin+0x310/0x670 [ 1125.156327][ T74] addrconf_dad_work+0x10b/0xab0 [ 1125.156327][ T74] process_one_work+0x84d/0x18a0 [ 1125.156327][ T74] worker_thread+0x587/0xd30 [ 1125.156327][ T74] kthread+0x28a/0x350 [ 1125.156327][ T74] ret_from_fork+0x31/0x70 [ 1125.156327][ T74] ret_from_fork_asm+0x1a/0x30 [ 1125.156327][ T74] [ 1125.158669][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1125.158669][ T74] netdev_get_by_index+0x5e/0x80 [ 1125.158669][ T74] fib6_nh_init+0x3d8/0x1580 [ 1125.158669][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1125.158669][ T74] ip6_route_add+0x1c/0x140 [ 1125.158669][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1125.158669][ T74] inet6_addr_add+0x4f8/0xa40 [ 1125.158669][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1125.158669][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1125.158669][ T74] netlink_rcv_skb+0x130/0x360 [ 1125.158669][ T74] netlink_unicast+0x449/0x710 [ 1125.158669][ T74] netlink_sendmsg+0x723/0xbe0 [ 1125.158669][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1125.158669][ T74] ___sys_sendmsg+0xee/0x170 [ 1125.158669][ T74] __sys_sendmsg+0xcd/0x170 [ 1125.158669][ T74] do_syscall_64+0xc6/0x1e0 [ 1125.158669][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1125.158669][ T74] [ 1125.161194][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1125.161194][ T74] netdev_get_by_index+0x5e/0x80 [ 1125.161194][ T74] fib6_nh_init+0x3d8/0x1580 [ 1125.161194][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1125.161194][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1125.161194][ T74] ipv6_add_addr+0x411/0x2000 [ 1125.161194][ T74] inet6_addr_add+0x30e/0xa40 [ 1125.161194][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1125.161194][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1125.161194][ T74] netlink_rcv_skb+0x130/0x360 [ 1125.161194][ T74] netlink_unicast+0x449/0x710 [ 1125.161194][ T74] netlink_sendmsg+0x723/0xbe0 [ 1125.161194][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1125.161194][ T74] ___sys_sendmsg+0xee/0x170 [ 1125.161194][ T74] __sys_sendmsg+0xcd/0x170 [ 1125.161194][ T74] do_syscall_64+0xc6/0x1e0 [ 1125.161194][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1125.161194][ T74] [ 1125.163752][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1125.163752][ T74] netdev_get_by_index+0x5e/0x80 [ 1125.163752][ T74] fib6_nh_init+0x3d8/0x1580 [ 1125.163752][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1125.163752][ T74] ip6_route_add+0x1c/0x140 [ 1125.163752][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1125.163752][ T74] addrconf_add_dev+0xe2/0x170 [ 1125.163752][ T74] inet6_addr_add+0x12f/0xa40 [ 1125.163752][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1125.163752][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1125.163752][ T74] netlink_rcv_skb+0x130/0x360 [ 1125.163752][ T74] netlink_unicast+0x449/0x710 [ 1125.163752][ T74] netlink_sendmsg+0x723/0xbe0 [ 1125.163752][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1125.163752][ T74] ___sys_sendmsg+0xee/0x170 [ 1125.163752][ T74] __sys_sendmsg+0xcd/0x170 [ 1125.163752][ T74] do_syscall_64+0xc6/0x1e0 [ 1125.163752][ T74] [ 1125.166370][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1125.166370][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1125.166370][ T74] ipv6_find_idev+0x102/0x170 [ 1125.166370][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1125.166370][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1125.166370][ T74] netlink_rcv_skb+0x130/0x360 [ 1125.166370][ T74] netlink_unicast+0x449/0x710 [ 1125.166370][ T74] netlink_sendmsg+0x723/0xbe0 [ 1125.166370][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1125.166370][ T74] ___sys_sendmsg+0xee/0x170 [ 1125.166370][ T74] __sys_sendmsg+0xcd/0x170 [ 1125.166370][ T74] do_syscall_64+0xc6/0x1e0 [ 1125.166370][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1125.166370][ T74] [ 1125.168303][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1125.168303][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1125.168303][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1125.168303][ T74] ipv6_find_idev+0x102/0x170 [ 1125.168303][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1125.168303][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1125.168303][ T74] netlink_rcv_skb+0x130/0x360 [ 1125.168303][ T74] netlink_unicast+0x449/0x710 [ 1125.168303][ T74] netlink_sendmsg+0x723/0xbe0 [ 1125.168303][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1125.168303][ T74] ___sys_sendmsg+0xee/0x170 [ 1125.168303][ T74] __sys_sendmsg+0xcd/0x170 [ 1125.168303][ T74] do_syscall_64+0xc6/0x1e0 [ 1125.168303][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1125.168303][ T74] [ 1125.170530][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1125.170800][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1125.170800][ T74] netdev_get_by_index+0x5e/0x80 [ 1125.170800][ T74] fib6_nh_init+0x3d8/0x1580 [ 1125.170800][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1125.170800][ T74] ip6_route_add+0x1c/0x140 [ 1125.170800][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1125.170800][ T74] inet6_addr_add+0x4f8/0xa40 [ 1125.170800][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1125.170800][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1125.170800][ T74] netlink_rcv_skb+0x130/0x360 [ 1125.170800][ T74] netlink_unicast+0x449/0x710 [ 1125.170800][ T74] netlink_sendmsg+0x723/0xbe0 [ 1125.170800][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1125.170800][ T74] ___sys_sendmsg+0xee/0x170 [ 1125.170800][ T74] __sys_sendmsg+0xcd/0x170 [ 1125.170800][ T74] do_syscall_64+0xc6/0x1e0 [ 1125.170800][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1125.170800][ T74] [ 1125.173210][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1125.173210][ T74] netdev_get_by_index+0x5e/0x80 [ 1125.173210][ T74] fib6_nh_init+0x3d8/0x1580 [ 1125.173210][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1125.173210][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1125.173210][ T74] ipv6_add_addr+0x411/0x2000 [ 1125.173210][ T74] inet6_addr_add+0x30e/0xa40 [ 1125.173210][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1125.173210][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1125.173210][ T74] netlink_rcv_skb+0x130/0x360 [ 1125.173210][ T74] netlink_unicast+0x449/0x710 [ 1125.173210][ T74] netlink_sendmsg+0x723/0xbe0 [ 1125.173210][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1125.173210][ T74] ___sys_sendmsg+0xee/0x170 [ 1125.173210][ T74] __sys_sendmsg+0xcd/0x170 [ 1125.173210][ T74] do_syscall_64+0xc6/0x1e0 [ 1125.173210][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1125.173210][ T74] [ 1125.175571][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1125.175571][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1125.175571][ T74] ipv6_find_idev+0x102/0x170 [ 1125.175571][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1125.175571][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1125.175571][ T74] netlink_rcv_skb+0x130/0x360 [ 1125.175571][ T74] netlink_unicast+0x449/0x710 [ 1125.175571][ T74] netlink_sendmsg+0x723/0xbe0 [ 1125.175571][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1125.175571][ T74] ___sys_sendmsg+0xee/0x170 [ 1125.175571][ T74] __sys_sendmsg+0xcd/0x170 [ 1125.175571][ T74] do_syscall_64+0xc6/0x1e0 [ 1125.175571][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1125.175571][ T74] [ 1125.177541][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1125.177541][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1125.177541][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1125.177541][ T74] ipv6_find_idev+0x102/0x170 [ 1125.177541][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1125.177541][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1125.177541][ T74] netlink_rcv_skb+0x130/0x360 [ 1125.177541][ T74] netlink_unicast+0x449/0x710 [ 1125.177541][ T74] netlink_sendmsg+0x723/0xbe0 [ 1125.177541][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1125.177541][ T74] ___sys_sendmsg+0xee/0x170 [ 1125.177541][ T74] __sys_sendmsg+0xcd/0x170 [ 1125.177541][ T74] do_syscall_64+0xc6/0x1e0 [ 1125.177541][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1125.177541][ T74] [ 1128.483517][ T6320] veth0: renamed from veth1 [ 1132.490273][ T6347] br0: port 1(vx0) entered blocking state [ 1132.490559][ T6347] br0: port 1(vx0) entered disabled state [ 1132.490752][ T6347] vx0: entered allmulticast mode [ 1132.491960][ T6347] vx0: entered promiscuous mode [ 1132.494421][ T6347] br0: port 1(vx0) entered blocking state [ 1132.494611][ T6347] br0: port 1(vx0) entered forwarding state [ 1135.343910][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1135.344250][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1135.344250][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1135.344250][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1135.344250][ T74] fib6_nh_init+0xa22/0x1580 [ 1135.344250][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1135.344250][ T74] ip6_route_add+0x1c/0x140 [ 1135.344250][ T74] inet6_rtm_newroute+0x104/0x110 [ 1135.344250][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1135.344250][ T74] netlink_rcv_skb+0x130/0x360 [ 1135.344250][ T74] netlink_unicast+0x449/0x710 [ 1135.344250][ T74] netlink_sendmsg+0x723/0xbe0 [ 1135.344250][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1135.344250][ T74] ___sys_sendmsg+0xee/0x170 [ 1135.344250][ T74] __sys_sendmsg+0xcd/0x170 [ 1135.344250][ T74] do_syscall_64+0xc6/0x1e0 [ 1135.344250][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1135.344250][ T74] [ 1135.346402][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1135.346402][ T74] netdev_get_by_index+0x5e/0x80 [ 1135.346402][ T74] fib6_nh_init+0x3d8/0x1580 [ 1135.346402][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1135.346402][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1135.346402][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1135.346402][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1135.346402][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1135.346402][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1135.346402][ T74] addrconf_dad_begin+0x310/0x670 [ 1135.346402][ T74] addrconf_dad_work+0x10b/0xab0 [ 1135.346402][ T74] process_one_work+0x84d/0x18a0 [ 1135.346402][ T74] worker_thread+0x587/0xd30 [ 1135.346402][ T74] kthread+0x28a/0x350 [ 1135.346402][ T74] ret_from_fork+0x31/0x70 [ 1135.346402][ T74] ret_from_fork_asm+0x1a/0x30 [ 1135.346402][ T74] [ 1135.348536][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1135.348536][ T74] netdev_get_by_index+0x5e/0x80 [ 1135.348536][ T74] fib6_nh_init+0x3d8/0x1580 [ 1135.348536][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1135.348536][ T74] ip6_route_add+0x1c/0x140 [ 1135.348536][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1135.348536][ T74] inet6_addr_add+0x4f8/0xa40 [ 1135.348536][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1135.348536][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1135.348536][ T74] netlink_rcv_skb+0x130/0x360 [ 1135.348536][ T74] netlink_unicast+0x449/0x710 [ 1135.348536][ T74] netlink_sendmsg+0x723/0xbe0 [ 1135.348536][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1135.348536][ T74] ___sys_sendmsg+0xee/0x170 [ 1135.348536][ T74] __sys_sendmsg+0xcd/0x170 [ 1135.348536][ T74] do_syscall_64+0xc6/0x1e0 [ 1135.348536][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1135.348536][ T74] [ 1135.350755][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1135.350755][ T74] netdev_get_by_index+0x5e/0x80 [ 1135.350755][ T74] fib6_nh_init+0x3d8/0x1580 [ 1135.350755][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1135.350755][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1135.350755][ T74] ipv6_add_addr+0x411/0x2000 [ 1135.350755][ T74] inet6_addr_add+0x30e/0xa40 [ 1135.350755][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1135.350755][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1135.350755][ T74] netlink_rcv_skb+0x130/0x360 [ 1135.350755][ T74] netlink_unicast+0x449/0x710 [ 1135.350755][ T74] netlink_sendmsg+0x723/0xbe0 [ 1135.350755][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1135.350755][ T74] ___sys_sendmsg+0xee/0x170 [ 1135.350755][ T74] __sys_sendmsg+0xcd/0x170 [ 1135.350755][ T74] do_syscall_64+0xc6/0x1e0 [ 1135.350755][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1135.350755][ T74] [ 1135.352996][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1135.352996][ T74] netdev_get_by_index+0x5e/0x80 [ 1135.352996][ T74] fib6_nh_init+0x3d8/0x1580 [ 1135.352996][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1135.352996][ T74] ip6_route_add+0x1c/0x140 [ 1135.352996][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1135.352996][ T74] addrconf_add_dev+0xe2/0x170 [ 1135.352996][ T74] inet6_addr_add+0x12f/0xa40 [ 1135.352996][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1135.352996][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1135.352996][ T74] netlink_rcv_skb+0x130/0x360 [ 1135.352996][ T74] netlink_unicast+0x449/0x710 [ 1135.352996][ T74] netlink_sendmsg+0x723/0xbe0 [ 1135.352996][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1135.352996][ T74] ___sys_sendmsg+0xee/0x170 [ 1135.352996][ T74] __sys_sendmsg+0xcd/0x170 [ 1135.352996][ T74] do_syscall_64+0xc6/0x1e0 [ 1135.352996][ T74] [ 1135.355218][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1135.355218][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1135.355218][ T74] ipv6_find_idev+0x102/0x170 [ 1135.355218][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1135.355218][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1135.355218][ T74] netlink_rcv_skb+0x130/0x360 [ 1135.355218][ T74] netlink_unicast+0x449/0x710 [ 1135.355218][ T74] netlink_sendmsg+0x723/0xbe0 [ 1135.355218][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1135.355218][ T74] ___sys_sendmsg+0xee/0x170 [ 1135.355218][ T74] __sys_sendmsg+0xcd/0x170 [ 1135.355218][ T74] do_syscall_64+0xc6/0x1e0 [ 1135.355218][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1135.355218][ T74] [ 1135.356959][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1135.356959][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1135.356959][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1135.356959][ T74] ipv6_find_idev+0x102/0x170 [ 1135.356959][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1135.356959][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1135.356959][ T74] netlink_rcv_skb+0x130/0x360 [ 1135.356959][ T74] netlink_unicast+0x449/0x710 [ 1135.356959][ T74] netlink_sendmsg+0x723/0xbe0 [ 1135.356959][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1135.356959][ T74] ___sys_sendmsg+0xee/0x170 [ 1135.356959][ T74] __sys_sendmsg+0xcd/0x170 [ 1135.356959][ T74] do_syscall_64+0xc6/0x1e0 [ 1135.356959][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1135.356959][ T74] [ 1135.358872][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1135.359172][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1135.359172][ T74] dst_init+0x84/0x4a0 [ 1135.359172][ T74] dst_alloc+0x97/0x150 [ 1135.359172][ T74] ip6_dst_alloc+0x23/0x90 [ 1135.359172][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1135.359172][ T74] ip6_pol_route+0x56f/0x840 [ 1135.359172][ T74] fib6_rule_lookup+0x456/0x630 [ 1135.359172][ T74] ip6_route_input+0x59c/0xa50 [ 1135.359172][ T74] ipv6_rcv+0x397/0x810 [ 1135.359172][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1135.359172][ T74] process_backlog+0x101/0x620 [ 1135.359172][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1135.359172][ T74] net_rx_action+0x495/0xbe0 [ 1135.359172][ T74] __do_softirq+0x1b5/0x7f6 [ 1135.359172][ T74] [ 1135.361011][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1135.361011][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1135.361011][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1135.361011][ T74] fib6_nh_init+0xa22/0x1580 [ 1135.361011][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1135.361011][ T74] ip6_route_add+0x1c/0x140 [ 1135.361011][ T74] inet6_rtm_newroute+0x104/0x110 [ 1135.361011][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1135.361011][ T74] netlink_rcv_skb+0x130/0x360 [ 1135.361011][ T74] netlink_unicast+0x449/0x710 [ 1135.361011][ T74] netlink_sendmsg+0x723/0xbe0 [ 1135.361011][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1135.361011][ T74] ___sys_sendmsg+0xee/0x170 [ 1135.361011][ T74] __sys_sendmsg+0xcd/0x170 [ 1135.361011][ T74] do_syscall_64+0xc6/0x1e0 [ 1135.361011][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1135.361011][ T74] [ 1135.363439][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1135.363439][ T74] netdev_get_by_index+0x5e/0x80 [ 1135.363439][ T74] fib6_nh_init+0x3d8/0x1580 [ 1135.363439][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1135.363439][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1135.363439][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1135.363439][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1135.363439][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1135.363439][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1135.363439][ T74] addrconf_dad_begin+0x310/0x670 [ 1135.363439][ T74] addrconf_dad_work+0x10b/0xab0 [ 1135.363439][ T74] process_one_work+0x84d/0x18a0 [ 1135.363439][ T74] worker_thread+0x587/0xd30 [ 1135.363439][ T74] kthread+0x28a/0x350 [ 1135.363439][ T74] ret_from_fork+0x31/0x70 [ 1135.363439][ T74] ret_from_fork_asm+0x1a/0x30 [ 1135.363439][ T74] [ 1135.365792][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1135.365792][ T74] netdev_get_by_index+0x5e/0x80 [ 1135.365792][ T74] fib6_nh_init+0x3d8/0x1580 [ 1135.365792][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1135.365792][ T74] ip6_route_add+0x1c/0x140 [ 1135.365792][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1135.365792][ T74] inet6_addr_add+0x4f8/0xa40 [ 1135.365792][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1135.365792][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1135.365792][ T74] netlink_rcv_skb+0x130/0x360 [ 1135.365792][ T74] netlink_unicast+0x449/0x710 [ 1135.365792][ T74] netlink_sendmsg+0x723/0xbe0 [ 1135.365792][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1135.365792][ T74] ___sys_sendmsg+0xee/0x170 [ 1135.365792][ T74] __sys_sendmsg+0xcd/0x170 [ 1135.365792][ T74] do_syscall_64+0xc6/0x1e0 [ 1135.365792][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1135.365792][ T74] [ 1135.368309][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1135.368309][ T74] netdev_get_by_index+0x5e/0x80 [ 1135.368309][ T74] fib6_nh_init+0x3d8/0x1580 [ 1135.368309][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1135.368309][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1135.368309][ T74] ipv6_add_addr+0x411/0x2000 [ 1135.368309][ T74] inet6_addr_add+0x30e/0xa40 [ 1135.368309][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1135.368309][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1135.368309][ T74] netlink_rcv_skb+0x130/0x360 [ 1135.368309][ T74] netlink_unicast+0x449/0x710 [ 1135.368309][ T74] netlink_sendmsg+0x723/0xbe0 [ 1135.368309][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1135.368309][ T74] ___sys_sendmsg+0xee/0x170 [ 1135.368309][ T74] __sys_sendmsg+0xcd/0x170 [ 1135.368309][ T74] do_syscall_64+0xc6/0x1e0 [ 1135.368309][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1135.368309][ T74] [ 1135.370762][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1135.370762][ T74] netdev_get_by_index+0x5e/0x80 [ 1135.370762][ T74] fib6_nh_init+0x3d8/0x1580 [ 1135.370762][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1135.370762][ T74] ip6_route_add+0x1c/0x140 [ 1135.370762][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1135.370762][ T74] addrconf_add_dev+0xe2/0x170 [ 1135.370762][ T74] inet6_addr_add+0x12f/0xa40 [ 1135.370762][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1135.370762][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1135.370762][ T74] netlink_rcv_skb+0x130/0x360 [ 1135.370762][ T74] netlink_unicast+0x449/0x710 [ 1135.370762][ T74] netlink_sendmsg+0x723/0xbe0 [ 1135.370762][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1135.370762][ T74] ___sys_sendmsg+0xee/0x170 [ 1135.370762][ T74] __sys_sendmsg+0xcd/0x170 [ 1135.370762][ T74] do_syscall_64+0xc6/0x1e0 [ 1135.370762][ T74] [ 1135.373164][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1135.373164][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1135.373164][ T74] ipv6_find_idev+0x102/0x170 [ 1135.373164][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1135.373164][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1135.373164][ T74] netlink_rcv_skb+0x130/0x360 [ 1135.373164][ T74] netlink_unicast+0x449/0x710 [ 1135.373164][ T74] netlink_sendmsg+0x723/0xbe0 [ 1135.373164][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1135.373164][ T74] ___sys_sendmsg+0xee/0x170 [ 1135.373164][ T74] __sys_sendmsg+0xcd/0x170 [ 1135.373164][ T74] do_syscall_64+0xc6/0x1e0 [ 1135.373164][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1135.373164][ T74] [ 1135.375179][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1135.375179][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1135.375179][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1135.375179][ T74] ipv6_find_idev+0x102/0x170 [ 1135.375179][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1135.375179][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1135.375179][ T74] netlink_rcv_skb+0x130/0x360 [ 1135.375179][ T74] netlink_unicast+0x449/0x710 [ 1135.375179][ T74] netlink_sendmsg+0x723/0xbe0 [ 1135.375179][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1135.375179][ T74] ___sys_sendmsg+0xee/0x170 [ 1135.375179][ T74] __sys_sendmsg+0xcd/0x170 [ 1135.375179][ T74] do_syscall_64+0xc6/0x1e0 [ 1135.375179][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1135.375179][ T74] [ 1135.377335][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1135.377597][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1135.377597][ T74] netdev_get_by_index+0x5e/0x80 [ 1135.377597][ T74] fib6_nh_init+0x3d8/0x1580 [ 1135.377597][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1135.377597][ T74] ip6_route_add+0x1c/0x140 [ 1135.377597][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1135.377597][ T74] inet6_addr_add+0x4f8/0xa40 [ 1135.377597][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1135.377597][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1135.377597][ T74] netlink_rcv_skb+0x130/0x360 [ 1135.377597][ T74] netlink_unicast+0x449/0x710 [ 1135.377597][ T74] netlink_sendmsg+0x723/0xbe0 [ 1135.377597][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1135.377597][ T74] ___sys_sendmsg+0xee/0x170 [ 1135.377597][ T74] __sys_sendmsg+0xcd/0x170 [ 1135.377597][ T74] do_syscall_64+0xc6/0x1e0 [ 1135.377597][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1135.377597][ T74] [ 1135.380058][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1135.380058][ T74] netdev_get_by_index+0x5e/0x80 [ 1135.380058][ T74] fib6_nh_init+0x3d8/0x1580 [ 1135.380058][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1135.380058][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1135.380058][ T74] ipv6_add_addr+0x411/0x2000 [ 1135.380058][ T74] inet6_addr_add+0x30e/0xa40 [ 1135.380058][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1135.380058][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1135.380058][ T74] netlink_rcv_skb+0x130/0x360 [ 1135.380058][ T74] netlink_unicast+0x449/0x710 [ 1135.380058][ T74] netlink_sendmsg+0x723/0xbe0 [ 1135.380058][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1135.380058][ T74] ___sys_sendmsg+0xee/0x170 [ 1135.380058][ T74] __sys_sendmsg+0xcd/0x170 [ 1135.380058][ T74] do_syscall_64+0xc6/0x1e0 [ 1135.380058][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1135.380058][ T74] [ 1135.382672][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1135.382672][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1135.382672][ T74] ipv6_find_idev+0x102/0x170 [ 1135.382672][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1135.382672][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1135.382672][ T74] netlink_rcv_skb+0x130/0x360 [ 1135.382672][ T74] netlink_unicast+0x449/0x710 [ 1135.382672][ T74] netlink_sendmsg+0x723/0xbe0 [ 1135.382672][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1135.382672][ T74] ___sys_sendmsg+0xee/0x170 [ 1135.382672][ T74] __sys_sendmsg+0xcd/0x170 [ 1135.382672][ T74] do_syscall_64+0xc6/0x1e0 [ 1135.382672][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1135.382672][ T74] [ 1135.384879][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1135.384879][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1135.384879][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1135.384879][ T74] ipv6_find_idev+0x102/0x170 [ 1135.384879][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1135.384879][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1135.384879][ T74] netlink_rcv_skb+0x130/0x360 [ 1135.384879][ T74] netlink_unicast+0x449/0x710 [ 1135.384879][ T74] netlink_sendmsg+0x723/0xbe0 [ 1135.384879][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1135.384879][ T74] ___sys_sendmsg+0xee/0x170 [ 1135.384879][ T74] __sys_sendmsg+0xcd/0x170 [ 1135.384879][ T74] do_syscall_64+0xc6/0x1e0 [ 1135.384879][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1135.384879][ T74] [ 1137.865291][ T6377] br0: port 1(vx0) entered blocking state [ 1137.865555][ T6377] br0: port 1(vx0) entered disabled state [ 1137.865735][ T6377] vx0: entered allmulticast mode [ 1137.866929][ T6377] vx0: entered promiscuous mode [ 1137.868728][ T6377] br0: port 1(vx0) entered blocking state [ 1137.868911][ T6377] br0: port 1(vx0) entered forwarding state [ 1141.828532][ T6408] veth0: renamed from veth1 [ 1145.487881][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1145.488250][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1145.488250][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1145.488250][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1145.488250][ T74] fib6_nh_init+0xa22/0x1580 [ 1145.488250][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1145.488250][ T74] ip6_route_add+0x1c/0x140 [ 1145.488250][ T74] inet6_rtm_newroute+0x104/0x110 [ 1145.488250][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1145.488250][ T74] netlink_rcv_skb+0x130/0x360 [ 1145.488250][ T74] netlink_unicast+0x449/0x710 [ 1145.488250][ T74] netlink_sendmsg+0x723/0xbe0 [ 1145.488250][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1145.488250][ T74] ___sys_sendmsg+0xee/0x170 [ 1145.488250][ T74] __sys_sendmsg+0xcd/0x170 [ 1145.488250][ T74] do_syscall_64+0xc6/0x1e0 [ 1145.488250][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1145.488250][ T74] [ 1145.490282][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1145.490282][ T74] netdev_get_by_index+0x5e/0x80 [ 1145.490282][ T74] fib6_nh_init+0x3d8/0x1580 [ 1145.490282][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1145.490282][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1145.490282][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1145.490282][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1145.490282][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1145.490282][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1145.490282][ T74] addrconf_dad_begin+0x310/0x670 [ 1145.490282][ T74] addrconf_dad_work+0x10b/0xab0 [ 1145.490282][ T74] process_one_work+0x84d/0x18a0 [ 1145.490282][ T74] worker_thread+0x587/0xd30 [ 1145.490282][ T74] kthread+0x28a/0x350 [ 1145.490282][ T74] ret_from_fork+0x31/0x70 [ 1145.490282][ T74] ret_from_fork_asm+0x1a/0x30 [ 1145.490282][ T74] [ 1145.492322][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1145.492322][ T74] netdev_get_by_index+0x5e/0x80 [ 1145.492322][ T74] fib6_nh_init+0x3d8/0x1580 [ 1145.492322][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1145.492322][ T74] ip6_route_add+0x1c/0x140 [ 1145.492322][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1145.492322][ T74] inet6_addr_add+0x4f8/0xa40 [ 1145.492322][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1145.492322][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1145.492322][ T74] netlink_rcv_skb+0x130/0x360 [ 1145.492322][ T74] netlink_unicast+0x449/0x710 [ 1145.492322][ T74] netlink_sendmsg+0x723/0xbe0 [ 1145.492322][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1145.492322][ T74] ___sys_sendmsg+0xee/0x170 [ 1145.492322][ T74] __sys_sendmsg+0xcd/0x170 [ 1145.492322][ T74] do_syscall_64+0xc6/0x1e0 [ 1145.492322][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1145.492322][ T74] [ 1145.494442][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1145.494442][ T74] netdev_get_by_index+0x5e/0x80 [ 1145.494442][ T74] fib6_nh_init+0x3d8/0x1580 [ 1145.494442][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1145.494442][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1145.494442][ T74] ipv6_add_addr+0x411/0x2000 [ 1145.494442][ T74] inet6_addr_add+0x30e/0xa40 [ 1145.494442][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1145.494442][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1145.494442][ T74] netlink_rcv_skb+0x130/0x360 [ 1145.494442][ T74] netlink_unicast+0x449/0x710 [ 1145.494442][ T74] netlink_sendmsg+0x723/0xbe0 [ 1145.494442][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1145.494442][ T74] ___sys_sendmsg+0xee/0x170 [ 1145.494442][ T74] __sys_sendmsg+0xcd/0x170 [ 1145.494442][ T74] do_syscall_64+0xc6/0x1e0 [ 1145.494442][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1145.494442][ T74] [ 1145.496493][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1145.496493][ T74] netdev_get_by_index+0x5e/0x80 [ 1145.496493][ T74] fib6_nh_init+0x3d8/0x1580 [ 1145.496493][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1145.496493][ T74] ip6_route_add+0x1c/0x140 [ 1145.496493][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1145.496493][ T74] addrconf_add_dev+0xe2/0x170 [ 1145.496493][ T74] inet6_addr_add+0x12f/0xa40 [ 1145.496493][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1145.496493][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1145.496493][ T74] netlink_rcv_skb+0x130/0x360 [ 1145.496493][ T74] netlink_unicast+0x449/0x710 [ 1145.496493][ T74] netlink_sendmsg+0x723/0xbe0 [ 1145.496493][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1145.496493][ T74] ___sys_sendmsg+0xee/0x170 [ 1145.496493][ T74] __sys_sendmsg+0xcd/0x170 [ 1145.496493][ T74] do_syscall_64+0xc6/0x1e0 [ 1145.496493][ T74] [ 1145.498562][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1145.498562][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1145.498562][ T74] ipv6_find_idev+0x102/0x170 [ 1145.498562][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1145.498562][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1145.498562][ T74] netlink_rcv_skb+0x130/0x360 [ 1145.498562][ T74] netlink_unicast+0x449/0x710 [ 1145.498562][ T74] netlink_sendmsg+0x723/0xbe0 [ 1145.498562][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1145.498562][ T74] ___sys_sendmsg+0xee/0x170 [ 1145.498562][ T74] __sys_sendmsg+0xcd/0x170 [ 1145.498562][ T74] do_syscall_64+0xc6/0x1e0 [ 1145.498562][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1145.498562][ T74] [ 1145.500141][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1145.500141][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1145.500141][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1145.500141][ T74] ipv6_find_idev+0x102/0x170 [ 1145.500141][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1145.500141][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1145.500141][ T74] netlink_rcv_skb+0x130/0x360 [ 1145.500141][ T74] netlink_unicast+0x449/0x710 [ 1145.500141][ T74] netlink_sendmsg+0x723/0xbe0 [ 1145.500141][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1145.500141][ T74] ___sys_sendmsg+0xee/0x170 [ 1145.500141][ T74] __sys_sendmsg+0xcd/0x170 [ 1145.500141][ T74] do_syscall_64+0xc6/0x1e0 [ 1145.500141][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1145.500141][ T74] [ 1145.501928][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1145.502253][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1145.502253][ T74] dst_init+0x84/0x4a0 [ 1145.502253][ T74] dst_alloc+0x97/0x150 [ 1145.502253][ T74] ip6_dst_alloc+0x23/0x90 [ 1145.502253][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1145.502253][ T74] ip6_pol_route+0x56f/0x840 [ 1145.502253][ T74] fib6_rule_lookup+0x456/0x630 [ 1145.502253][ T74] ip6_route_input+0x59c/0xa50 [ 1145.502253][ T74] ipv6_rcv+0x397/0x810 [ 1145.502253][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1145.502253][ T74] process_backlog+0x101/0x620 [ 1145.502253][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1145.502253][ T74] net_rx_action+0x495/0xbe0 [ 1145.502253][ T74] __do_softirq+0x1b5/0x7f6 [ 1145.502253][ T74] [ 1145.503968][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1145.503968][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1145.503968][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1145.503968][ T74] fib6_nh_init+0xa22/0x1580 [ 1145.503968][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1145.503968][ T74] ip6_route_add+0x1c/0x140 [ 1145.503968][ T74] inet6_rtm_newroute+0x104/0x110 [ 1145.503968][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1145.503968][ T74] netlink_rcv_skb+0x130/0x360 [ 1145.503968][ T74] netlink_unicast+0x449/0x710 [ 1145.503968][ T74] netlink_sendmsg+0x723/0xbe0 [ 1145.503968][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1145.503968][ T74] ___sys_sendmsg+0xee/0x170 [ 1145.503968][ T74] __sys_sendmsg+0xcd/0x170 [ 1145.503968][ T74] do_syscall_64+0xc6/0x1e0 [ 1145.503968][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1145.503968][ T74] [ 1145.505914][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1145.505914][ T74] netdev_get_by_index+0x5e/0x80 [ 1145.505914][ T74] fib6_nh_init+0x3d8/0x1580 [ 1145.505914][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1145.505914][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1145.505914][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1145.505914][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1145.505914][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1145.505914][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1145.505914][ T74] addrconf_dad_begin+0x310/0x670 [ 1145.505914][ T74] addrconf_dad_work+0x10b/0xab0 [ 1145.505914][ T74] process_one_work+0x84d/0x18a0 [ 1145.505914][ T74] worker_thread+0x587/0xd30 [ 1145.505914][ T74] kthread+0x28a/0x350 [ 1145.505914][ T74] ret_from_fork+0x31/0x70 [ 1145.505914][ T74] ret_from_fork_asm+0x1a/0x30 [ 1145.505914][ T74] [ 1145.507896][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1145.507896][ T74] netdev_get_by_index+0x5e/0x80 [ 1145.507896][ T74] fib6_nh_init+0x3d8/0x1580 [ 1145.507896][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1145.507896][ T74] ip6_route_add+0x1c/0x140 [ 1145.507896][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1145.507896][ T74] inet6_addr_add+0x4f8/0xa40 [ 1145.507896][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1145.507896][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1145.507896][ T74] netlink_rcv_skb+0x130/0x360 [ 1145.507896][ T74] netlink_unicast+0x449/0x710 [ 1145.507896][ T74] netlink_sendmsg+0x723/0xbe0 [ 1145.507896][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1145.507896][ T74] ___sys_sendmsg+0xee/0x170 [ 1145.507896][ T74] __sys_sendmsg+0xcd/0x170 [ 1145.507896][ T74] do_syscall_64+0xc6/0x1e0 [ 1145.507896][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1145.507896][ T74] [ 1145.509991][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1145.509991][ T74] netdev_get_by_index+0x5e/0x80 [ 1145.509991][ T74] fib6_nh_init+0x3d8/0x1580 [ 1145.509991][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1145.509991][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1145.509991][ T74] ipv6_add_addr+0x411/0x2000 [ 1145.509991][ T74] inet6_addr_add+0x30e/0xa40 [ 1145.509991][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1145.509991][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1145.509991][ T74] netlink_rcv_skb+0x130/0x360 [ 1145.509991][ T74] netlink_unicast+0x449/0x710 [ 1145.509991][ T74] netlink_sendmsg+0x723/0xbe0 [ 1145.509991][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1145.509991][ T74] ___sys_sendmsg+0xee/0x170 [ 1145.509991][ T74] __sys_sendmsg+0xcd/0x170 [ 1145.509991][ T74] do_syscall_64+0xc6/0x1e0 [ 1145.509991][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1145.509991][ T74] [ 1145.512175][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1145.512175][ T74] netdev_get_by_index+0x5e/0x80 [ 1145.512175][ T74] fib6_nh_init+0x3d8/0x1580 [ 1145.512175][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1145.512175][ T74] ip6_route_add+0x1c/0x140 [ 1145.512175][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1145.512175][ T74] addrconf_add_dev+0xe2/0x170 [ 1145.512175][ T74] inet6_addr_add+0x12f/0xa40 [ 1145.512175][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1145.512175][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1145.512175][ T74] netlink_rcv_skb+0x130/0x360 [ 1145.512175][ T74] netlink_unicast+0x449/0x710 [ 1145.512175][ T74] netlink_sendmsg+0x723/0xbe0 [ 1145.512175][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1145.512175][ T74] ___sys_sendmsg+0xee/0x170 [ 1145.512175][ T74] __sys_sendmsg+0xcd/0x170 [ 1145.512175][ T74] do_syscall_64+0xc6/0x1e0 [ 1145.512175][ T74] [ 1145.514522][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1145.514522][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1145.514522][ T74] ipv6_find_idev+0x102/0x170 [ 1145.514522][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1145.514522][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1145.514522][ T74] netlink_rcv_skb+0x130/0x360 [ 1145.514522][ T74] netlink_unicast+0x449/0x710 [ 1145.514522][ T74] netlink_sendmsg+0x723/0xbe0 [ 1145.514522][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1145.514522][ T74] ___sys_sendmsg+0xee/0x170 [ 1145.514522][ T74] __sys_sendmsg+0xcd/0x170 [ 1145.514522][ T74] do_syscall_64+0xc6/0x1e0 [ 1145.514522][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1145.514522][ T74] [ 1145.516378][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1145.516378][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1145.516378][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1145.516378][ T74] ipv6_find_idev+0x102/0x170 [ 1145.516378][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1145.516378][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1145.516378][ T74] netlink_rcv_skb+0x130/0x360 [ 1145.516378][ T74] netlink_unicast+0x449/0x710 [ 1145.516378][ T74] netlink_sendmsg+0x723/0xbe0 [ 1145.516378][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1145.516378][ T74] ___sys_sendmsg+0xee/0x170 [ 1145.516378][ T74] __sys_sendmsg+0xcd/0x170 [ 1145.516378][ T74] do_syscall_64+0xc6/0x1e0 [ 1145.516378][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1145.516378][ T74] [ 1145.518437][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1145.518706][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1145.518706][ T74] netdev_get_by_index+0x5e/0x80 [ 1145.518706][ T74] fib6_nh_init+0x3d8/0x1580 [ 1145.518706][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1145.518706][ T74] ip6_route_add+0x1c/0x140 [ 1145.518706][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1145.518706][ T74] inet6_addr_add+0x4f8/0xa40 [ 1145.518706][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1145.518706][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1145.518706][ T74] netlink_rcv_skb+0x130/0x360 [ 1145.518706][ T74] netlink_unicast+0x449/0x710 [ 1145.518706][ T74] netlink_sendmsg+0x723/0xbe0 [ 1145.518706][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1145.518706][ T74] ___sys_sendmsg+0xee/0x170 [ 1145.518706][ T74] __sys_sendmsg+0xcd/0x170 [ 1145.518706][ T74] do_syscall_64+0xc6/0x1e0 [ 1145.518706][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1145.518706][ T74] [ 1145.521042][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1145.521042][ T74] netdev_get_by_index+0x5e/0x80 [ 1145.521042][ T74] fib6_nh_init+0x3d8/0x1580 [ 1145.521042][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1145.521042][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1145.521042][ T74] ipv6_add_addr+0x411/0x2000 [ 1145.521042][ T74] inet6_addr_add+0x30e/0xa40 [ 1145.521042][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1145.521042][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1145.521042][ T74] netlink_rcv_skb+0x130/0x360 [ 1145.521042][ T74] netlink_unicast+0x449/0x710 [ 1145.521042][ T74] netlink_sendmsg+0x723/0xbe0 [ 1145.521042][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1145.521042][ T74] ___sys_sendmsg+0xee/0x170 [ 1145.521042][ T74] __sys_sendmsg+0xcd/0x170 [ 1145.521042][ T74] do_syscall_64+0xc6/0x1e0 [ 1145.521042][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1145.521042][ T74] [ 1145.523314][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1145.523314][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1145.523314][ T74] ipv6_find_idev+0x102/0x170 [ 1145.523314][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1145.523314][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1145.523314][ T74] netlink_rcv_skb+0x130/0x360 [ 1145.523314][ T74] netlink_unicast+0x449/0x710 [ 1145.523314][ T74] netlink_sendmsg+0x723/0xbe0 [ 1145.523314][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1145.523314][ T74] ___sys_sendmsg+0xee/0x170 [ 1145.523314][ T74] __sys_sendmsg+0xcd/0x170 [ 1145.523314][ T74] do_syscall_64+0xc6/0x1e0 [ 1145.523314][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1145.523314][ T74] [ 1145.525043][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1145.525043][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1145.525043][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1145.525043][ T74] ipv6_find_idev+0x102/0x170 [ 1145.525043][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1145.525043][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1145.525043][ T74] netlink_rcv_skb+0x130/0x360 [ 1145.525043][ T74] netlink_unicast+0x449/0x710 [ 1145.525043][ T74] netlink_sendmsg+0x723/0xbe0 [ 1145.525043][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1145.525043][ T74] ___sys_sendmsg+0xee/0x170 [ 1145.525043][ T74] __sys_sendmsg+0xcd/0x170 [ 1145.525043][ T74] do_syscall_64+0xc6/0x1e0 [ 1145.525043][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1145.525043][ T74] [ 1145.758765][ T6436] br0: port 1(vx0) entered blocking state [ 1145.758992][ T6436] br0: port 1(vx0) entered disabled state [ 1145.759185][ T6436] vx0: entered allmulticast mode [ 1145.760377][ T6436] vx0: entered promiscuous mode [ 1145.762229][ T6436] br0: port 1(vx0) entered blocking state [ 1145.762412][ T6436] br0: port 1(vx0) entered forwarding state [ 1151.057428][ T6466] br0: port 1(vx0) entered blocking state [ 1151.057636][ T6466] br0: port 1(vx0) entered disabled state [ 1151.057819][ T6466] vx0: entered allmulticast mode [ 1151.059839][ T6466] vx0: entered promiscuous mode [ 1151.061677][ T6466] br0: port 1(vx0) entered blocking state [ 1151.061861][ T6466] br0: port 1(vx0) entered forwarding state [ 1155.600012][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1155.600416][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1155.600416][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1155.600416][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1155.600416][ T74] fib6_nh_init+0xa22/0x1580 [ 1155.600416][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1155.600416][ T74] ip6_route_add+0x1c/0x140 [ 1155.600416][ T74] inet6_rtm_newroute+0x104/0x110 [ 1155.600416][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1155.600416][ T74] netlink_rcv_skb+0x130/0x360 [ 1155.600416][ T74] netlink_unicast+0x449/0x710 [ 1155.600416][ T74] netlink_sendmsg+0x723/0xbe0 [ 1155.600416][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1155.600416][ T74] ___sys_sendmsg+0xee/0x170 [ 1155.600416][ T74] __sys_sendmsg+0xcd/0x170 [ 1155.600416][ T74] do_syscall_64+0xc6/0x1e0 [ 1155.600416][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1155.600416][ T74] [ 1155.602506][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1155.602506][ T74] netdev_get_by_index+0x5e/0x80 [ 1155.602506][ T74] fib6_nh_init+0x3d8/0x1580 [ 1155.602506][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1155.602506][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1155.602506][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1155.602506][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1155.602506][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1155.602506][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1155.602506][ T74] addrconf_dad_begin+0x310/0x670 [ 1155.602506][ T74] addrconf_dad_work+0x10b/0xab0 [ 1155.602506][ T74] process_one_work+0x84d/0x18a0 [ 1155.602506][ T74] worker_thread+0x587/0xd30 [ 1155.602506][ T74] kthread+0x28a/0x350 [ 1155.602506][ T74] ret_from_fork+0x31/0x70 [ 1155.602506][ T74] ret_from_fork_asm+0x1a/0x30 [ 1155.602506][ T74] [ 1155.604527][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1155.604527][ T74] netdev_get_by_index+0x5e/0x80 [ 1155.604527][ T74] fib6_nh_init+0x3d8/0x1580 [ 1155.604527][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1155.604527][ T74] ip6_route_add+0x1c/0x140 [ 1155.604527][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1155.604527][ T74] inet6_addr_add+0x4f8/0xa40 [ 1155.604527][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1155.604527][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1155.604527][ T74] netlink_rcv_skb+0x130/0x360 [ 1155.604527][ T74] netlink_unicast+0x449/0x710 [ 1155.604527][ T74] netlink_sendmsg+0x723/0xbe0 [ 1155.604527][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1155.604527][ T74] ___sys_sendmsg+0xee/0x170 [ 1155.604527][ T74] __sys_sendmsg+0xcd/0x170 [ 1155.604527][ T74] do_syscall_64+0xc6/0x1e0 [ 1155.604527][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1155.604527][ T74] [ 1155.606598][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1155.606598][ T74] netdev_get_by_index+0x5e/0x80 [ 1155.606598][ T74] fib6_nh_init+0x3d8/0x1580 [ 1155.606598][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1155.606598][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1155.606598][ T74] ipv6_add_addr+0x411/0x2000 [ 1155.606598][ T74] inet6_addr_add+0x30e/0xa40 [ 1155.606598][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1155.606598][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1155.606598][ T74] netlink_rcv_skb+0x130/0x360 [ 1155.606598][ T74] netlink_unicast+0x449/0x710 [ 1155.606598][ T74] netlink_sendmsg+0x723/0xbe0 [ 1155.606598][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1155.606598][ T74] ___sys_sendmsg+0xee/0x170 [ 1155.606598][ T74] __sys_sendmsg+0xcd/0x170 [ 1155.606598][ T74] do_syscall_64+0xc6/0x1e0 [ 1155.606598][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1155.606598][ T74] [ 1155.608653][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1155.608653][ T74] netdev_get_by_index+0x5e/0x80 [ 1155.608653][ T74] fib6_nh_init+0x3d8/0x1580 [ 1155.608653][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1155.608653][ T74] ip6_route_add+0x1c/0x140 [ 1155.608653][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1155.608653][ T74] addrconf_add_dev+0xe2/0x170 [ 1155.608653][ T74] inet6_addr_add+0x12f/0xa40 [ 1155.608653][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1155.608653][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1155.608653][ T74] netlink_rcv_skb+0x130/0x360 [ 1155.608653][ T74] netlink_unicast+0x449/0x710 [ 1155.608653][ T74] netlink_sendmsg+0x723/0xbe0 [ 1155.608653][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1155.608653][ T74] ___sys_sendmsg+0xee/0x170 [ 1155.608653][ T74] __sys_sendmsg+0xcd/0x170 [ 1155.608653][ T74] do_syscall_64+0xc6/0x1e0 [ 1155.608653][ T74] [ 1155.610677][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1155.610677][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1155.610677][ T74] ipv6_find_idev+0x102/0x170 [ 1155.610677][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1155.610677][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1155.610677][ T74] netlink_rcv_skb+0x130/0x360 [ 1155.610677][ T74] netlink_unicast+0x449/0x710 [ 1155.610677][ T74] netlink_sendmsg+0x723/0xbe0 [ 1155.610677][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1155.610677][ T74] ___sys_sendmsg+0xee/0x170 [ 1155.610677][ T74] __sys_sendmsg+0xcd/0x170 [ 1155.610677][ T74] do_syscall_64+0xc6/0x1e0 [ 1155.610677][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1155.610677][ T74] [ 1155.612268][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1155.612268][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1155.612268][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1155.612268][ T74] ipv6_find_idev+0x102/0x170 [ 1155.612268][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1155.612268][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1155.612268][ T74] netlink_rcv_skb+0x130/0x360 [ 1155.612268][ T74] netlink_unicast+0x449/0x710 [ 1155.612268][ T74] netlink_sendmsg+0x723/0xbe0 [ 1155.612268][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1155.612268][ T74] ___sys_sendmsg+0xee/0x170 [ 1155.612268][ T74] __sys_sendmsg+0xcd/0x170 [ 1155.612268][ T74] do_syscall_64+0xc6/0x1e0 [ 1155.612268][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1155.612268][ T74] [ 1155.614044][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1155.614339][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1155.614339][ T74] dst_init+0x84/0x4a0 [ 1155.614339][ T74] dst_alloc+0x97/0x150 [ 1155.614339][ T74] ip6_dst_alloc+0x23/0x90 [ 1155.614339][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1155.614339][ T74] ip6_pol_route+0x56f/0x840 [ 1155.614339][ T74] fib6_rule_lookup+0x456/0x630 [ 1155.614339][ T74] ip6_route_input+0x59c/0xa50 [ 1155.614339][ T74] ipv6_rcv+0x397/0x810 [ 1155.614339][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1155.614339][ T74] process_backlog+0x101/0x620 [ 1155.614339][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1155.614339][ T74] net_rx_action+0x495/0xbe0 [ 1155.614339][ T74] __do_softirq+0x1b5/0x7f6 [ 1155.614339][ T74] [ 1155.616029][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1155.616029][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1155.616029][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1155.616029][ T74] fib6_nh_init+0xa22/0x1580 [ 1155.616029][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1155.616029][ T74] ip6_route_add+0x1c/0x140 [ 1155.616029][ T74] inet6_rtm_newroute+0x104/0x110 [ 1155.616029][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1155.616029][ T74] netlink_rcv_skb+0x130/0x360 [ 1155.616029][ T74] netlink_unicast+0x449/0x710 [ 1155.616029][ T74] netlink_sendmsg+0x723/0xbe0 [ 1155.616029][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1155.616029][ T74] ___sys_sendmsg+0xee/0x170 [ 1155.616029][ T74] __sys_sendmsg+0xcd/0x170 [ 1155.616029][ T74] do_syscall_64+0xc6/0x1e0 [ 1155.616029][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1155.616029][ T74] [ 1155.617968][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1155.617968][ T74] netdev_get_by_index+0x5e/0x80 [ 1155.617968][ T74] fib6_nh_init+0x3d8/0x1580 [ 1155.617968][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1155.617968][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1155.617968][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1155.617968][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1155.617968][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1155.617968][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1155.617968][ T74] addrconf_dad_begin+0x310/0x670 [ 1155.617968][ T74] addrconf_dad_work+0x10b/0xab0 [ 1155.617968][ T74] process_one_work+0x84d/0x18a0 [ 1155.617968][ T74] worker_thread+0x587/0xd30 [ 1155.617968][ T74] kthread+0x28a/0x350 [ 1155.617968][ T74] ret_from_fork+0x31/0x70 [ 1155.617968][ T74] ret_from_fork_asm+0x1a/0x30 [ 1155.617968][ T74] [ 1155.619925][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1155.619925][ T74] netdev_get_by_index+0x5e/0x80 [ 1155.619925][ T74] fib6_nh_init+0x3d8/0x1580 [ 1155.619925][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1155.619925][ T74] ip6_route_add+0x1c/0x140 [ 1155.619925][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1155.619925][ T74] inet6_addr_add+0x4f8/0xa40 [ 1155.619925][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1155.619925][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1155.619925][ T74] netlink_rcv_skb+0x130/0x360 [ 1155.619925][ T74] netlink_unicast+0x449/0x710 [ 1155.619925][ T74] netlink_sendmsg+0x723/0xbe0 [ 1155.619925][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1155.619925][ T74] ___sys_sendmsg+0xee/0x170 [ 1155.619925][ T74] __sys_sendmsg+0xcd/0x170 [ 1155.619925][ T74] do_syscall_64+0xc6/0x1e0 [ 1155.619925][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1155.619925][ T74] [ 1155.621981][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1155.621981][ T74] netdev_get_by_index+0x5e/0x80 [ 1155.621981][ T74] fib6_nh_init+0x3d8/0x1580 [ 1155.621981][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1155.621981][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1155.621981][ T74] ipv6_add_addr+0x411/0x2000 [ 1155.621981][ T74] inet6_addr_add+0x30e/0xa40 [ 1155.621981][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1155.621981][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1155.621981][ T74] netlink_rcv_skb+0x130/0x360 [ 1155.621981][ T74] netlink_unicast+0x449/0x710 [ 1155.621981][ T74] netlink_sendmsg+0x723/0xbe0 [ 1155.621981][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1155.621981][ T74] ___sys_sendmsg+0xee/0x170 [ 1155.621981][ T74] __sys_sendmsg+0xcd/0x170 [ 1155.621981][ T74] do_syscall_64+0xc6/0x1e0 [ 1155.621981][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1155.621981][ T74] [ 1155.624040][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1155.624040][ T74] netdev_get_by_index+0x5e/0x80 [ 1155.624040][ T74] fib6_nh_init+0x3d8/0x1580 [ 1155.624040][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1155.624040][ T74] ip6_route_add+0x1c/0x140 [ 1155.624040][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1155.624040][ T74] addrconf_add_dev+0xe2/0x170 [ 1155.624040][ T74] inet6_addr_add+0x12f/0xa40 [ 1155.624040][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1155.624040][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1155.624040][ T74] netlink_rcv_skb+0x130/0x360 [ 1155.624040][ T74] netlink_unicast+0x449/0x710 [ 1155.624040][ T74] netlink_sendmsg+0x723/0xbe0 [ 1155.624040][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1155.624040][ T74] ___sys_sendmsg+0xee/0x170 [ 1155.624040][ T74] __sys_sendmsg+0xcd/0x170 [ 1155.624040][ T74] do_syscall_64+0xc6/0x1e0 [ 1155.624040][ T74] [ 1155.626120][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1155.626120][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1155.626120][ T74] ipv6_find_idev+0x102/0x170 [ 1155.626120][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1155.626120][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1155.626120][ T74] netlink_rcv_skb+0x130/0x360 [ 1155.626120][ T74] netlink_unicast+0x449/0x710 [ 1155.626120][ T74] netlink_sendmsg+0x723/0xbe0 [ 1155.626120][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1155.626120][ T74] ___sys_sendmsg+0xee/0x170 [ 1155.626120][ T74] __sys_sendmsg+0xcd/0x170 [ 1155.626120][ T74] do_syscall_64+0xc6/0x1e0 [ 1155.626120][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1155.626120][ T74] [ 1155.627779][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1155.627779][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1155.627779][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1155.627779][ T74] ipv6_find_idev+0x102/0x170 [ 1155.627779][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1155.627779][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1155.627779][ T74] netlink_rcv_skb+0x130/0x360 [ 1155.627779][ T74] netlink_unicast+0x449/0x710 [ 1155.627779][ T74] netlink_sendmsg+0x723/0xbe0 [ 1155.627779][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1155.627779][ T74] ___sys_sendmsg+0xee/0x170 [ 1155.627779][ T74] __sys_sendmsg+0xcd/0x170 [ 1155.627779][ T74] do_syscall_64+0xc6/0x1e0 [ 1155.627779][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1155.627779][ T74] [ 1155.629666][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1155.629928][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1155.629928][ T74] netdev_get_by_index+0x5e/0x80 [ 1155.629928][ T74] fib6_nh_init+0x3d8/0x1580 [ 1155.629928][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1155.629928][ T74] ip6_route_add+0x1c/0x140 [ 1155.629928][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1155.629928][ T74] inet6_addr_add+0x4f8/0xa40 [ 1155.629928][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1155.629928][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1155.629928][ T74] netlink_rcv_skb+0x130/0x360 [ 1155.629928][ T74] netlink_unicast+0x449/0x710 [ 1155.629928][ T74] netlink_sendmsg+0x723/0xbe0 [ 1155.629928][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1155.629928][ T74] ___sys_sendmsg+0xee/0x170 [ 1155.629928][ T74] __sys_sendmsg+0xcd/0x170 [ 1155.629928][ T74] do_syscall_64+0xc6/0x1e0 [ 1155.629928][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1155.629928][ T74] [ 1155.632212][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1155.632212][ T74] netdev_get_by_index+0x5e/0x80 [ 1155.632212][ T74] fib6_nh_init+0x3d8/0x1580 [ 1155.632212][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1155.632212][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1155.632212][ T74] ipv6_add_addr+0x411/0x2000 [ 1155.632212][ T74] inet6_addr_add+0x30e/0xa40 [ 1155.632212][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1155.632212][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1155.632212][ T74] netlink_rcv_skb+0x130/0x360 [ 1155.632212][ T74] netlink_unicast+0x449/0x710 [ 1155.632212][ T74] netlink_sendmsg+0x723/0xbe0 [ 1155.632212][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1155.632212][ T74] ___sys_sendmsg+0xee/0x170 [ 1155.632212][ T74] __sys_sendmsg+0xcd/0x170 [ 1155.632212][ T74] do_syscall_64+0xc6/0x1e0 [ 1155.632212][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1155.632212][ T74] [ 1155.634512][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1155.634512][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1155.634512][ T74] ipv6_find_idev+0x102/0x170 [ 1155.634512][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1155.634512][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1155.634512][ T74] netlink_rcv_skb+0x130/0x360 [ 1155.634512][ T74] netlink_unicast+0x449/0x710 [ 1155.634512][ T74] netlink_sendmsg+0x723/0xbe0 [ 1155.634512][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1155.634512][ T74] ___sys_sendmsg+0xee/0x170 [ 1155.634512][ T74] __sys_sendmsg+0xcd/0x170 [ 1155.634512][ T74] do_syscall_64+0xc6/0x1e0 [ 1155.634512][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1155.634512][ T74] [ 1155.636218][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1155.636218][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1155.636218][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1155.636218][ T74] ipv6_find_idev+0x102/0x170 [ 1155.636218][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1155.636218][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1155.636218][ T74] netlink_rcv_skb+0x130/0x360 [ 1155.636218][ T74] netlink_unicast+0x449/0x710 [ 1155.636218][ T74] netlink_sendmsg+0x723/0xbe0 [ 1155.636218][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1155.636218][ T74] ___sys_sendmsg+0xee/0x170 [ 1155.636218][ T74] __sys_sendmsg+0xcd/0x170 [ 1155.636218][ T74] do_syscall_64+0xc6/0x1e0 [ 1155.636218][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1155.636218][ T74] [ 1165.719879][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1165.720298][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1165.720298][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1165.720298][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1165.720298][ T74] fib6_nh_init+0xa22/0x1580 [ 1165.720298][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1165.720298][ T74] ip6_route_add+0x1c/0x140 [ 1165.720298][ T74] inet6_rtm_newroute+0x104/0x110 [ 1165.720298][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1165.720298][ T74] netlink_rcv_skb+0x130/0x360 [ 1165.720298][ T74] netlink_unicast+0x449/0x710 [ 1165.720298][ T74] netlink_sendmsg+0x723/0xbe0 [ 1165.720298][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1165.720298][ T74] ___sys_sendmsg+0xee/0x170 [ 1165.720298][ T74] __sys_sendmsg+0xcd/0x170 [ 1165.720298][ T74] do_syscall_64+0xc6/0x1e0 [ 1165.720298][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1165.720298][ T74] [ 1165.722330][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1165.722330][ T74] netdev_get_by_index+0x5e/0x80 [ 1165.722330][ T74] fib6_nh_init+0x3d8/0x1580 [ 1165.722330][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1165.722330][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1165.722330][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1165.722330][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1165.722330][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1165.722330][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1165.722330][ T74] addrconf_dad_begin+0x310/0x670 [ 1165.722330][ T74] addrconf_dad_work+0x10b/0xab0 [ 1165.722330][ T74] process_one_work+0x84d/0x18a0 [ 1165.722330][ T74] worker_thread+0x587/0xd30 [ 1165.722330][ T74] kthread+0x28a/0x350 [ 1165.722330][ T74] ret_from_fork+0x31/0x70 [ 1165.722330][ T74] ret_from_fork_asm+0x1a/0x30 [ 1165.722330][ T74] [ 1165.724371][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1165.724371][ T74] netdev_get_by_index+0x5e/0x80 [ 1165.724371][ T74] fib6_nh_init+0x3d8/0x1580 [ 1165.724371][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1165.724371][ T74] ip6_route_add+0x1c/0x140 [ 1165.724371][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1165.724371][ T74] inet6_addr_add+0x4f8/0xa40 [ 1165.724371][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1165.724371][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1165.724371][ T74] netlink_rcv_skb+0x130/0x360 [ 1165.724371][ T74] netlink_unicast+0x449/0x710 [ 1165.724371][ T74] netlink_sendmsg+0x723/0xbe0 [ 1165.724371][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1165.724371][ T74] ___sys_sendmsg+0xee/0x170 [ 1165.724371][ T74] __sys_sendmsg+0xcd/0x170 [ 1165.724371][ T74] do_syscall_64+0xc6/0x1e0 [ 1165.724371][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1165.724371][ T74] [ 1165.726490][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1165.726490][ T74] netdev_get_by_index+0x5e/0x80 [ 1165.726490][ T74] fib6_nh_init+0x3d8/0x1580 [ 1165.726490][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1165.726490][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1165.726490][ T74] ipv6_add_addr+0x411/0x2000 [ 1165.726490][ T74] inet6_addr_add+0x30e/0xa40 [ 1165.726490][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1165.726490][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1165.726490][ T74] netlink_rcv_skb+0x130/0x360 [ 1165.726490][ T74] netlink_unicast+0x449/0x710 [ 1165.726490][ T74] netlink_sendmsg+0x723/0xbe0 [ 1165.726490][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1165.726490][ T74] ___sys_sendmsg+0xee/0x170 [ 1165.726490][ T74] __sys_sendmsg+0xcd/0x170 [ 1165.726490][ T74] do_syscall_64+0xc6/0x1e0 [ 1165.726490][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1165.726490][ T74] [ 1165.728594][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1165.728594][ T74] netdev_get_by_index+0x5e/0x80 [ 1165.728594][ T74] fib6_nh_init+0x3d8/0x1580 [ 1165.728594][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1165.728594][ T74] ip6_route_add+0x1c/0x140 [ 1165.728594][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1165.728594][ T74] addrconf_add_dev+0xe2/0x170 [ 1165.728594][ T74] inet6_addr_add+0x12f/0xa40 [ 1165.728594][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1165.728594][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1165.728594][ T74] netlink_rcv_skb+0x130/0x360 [ 1165.728594][ T74] netlink_unicast+0x449/0x710 [ 1165.728594][ T74] netlink_sendmsg+0x723/0xbe0 [ 1165.728594][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1165.728594][ T74] ___sys_sendmsg+0xee/0x170 [ 1165.728594][ T74] __sys_sendmsg+0xcd/0x170 [ 1165.728594][ T74] do_syscall_64+0xc6/0x1e0 [ 1165.728594][ T74] [ 1165.730687][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1165.730687][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1165.730687][ T74] ipv6_find_idev+0x102/0x170 [ 1165.730687][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1165.730687][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1165.730687][ T74] netlink_rcv_skb+0x130/0x360 [ 1165.730687][ T74] netlink_unicast+0x449/0x710 [ 1165.730687][ T74] netlink_sendmsg+0x723/0xbe0 [ 1165.730687][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1165.730687][ T74] ___sys_sendmsg+0xee/0x170 [ 1165.730687][ T74] __sys_sendmsg+0xcd/0x170 [ 1165.730687][ T74] do_syscall_64+0xc6/0x1e0 [ 1165.730687][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1165.730687][ T74] [ 1165.732329][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1165.732329][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1165.732329][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1165.732329][ T74] ipv6_find_idev+0x102/0x170 [ 1165.732329][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1165.732329][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1165.732329][ T74] netlink_rcv_skb+0x130/0x360 [ 1165.732329][ T74] netlink_unicast+0x449/0x710 [ 1165.732329][ T74] netlink_sendmsg+0x723/0xbe0 [ 1165.732329][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1165.732329][ T74] ___sys_sendmsg+0xee/0x170 [ 1165.732329][ T74] __sys_sendmsg+0xcd/0x170 [ 1165.732329][ T74] do_syscall_64+0xc6/0x1e0 [ 1165.732329][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1165.732329][ T74] [ 1165.734196][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1165.734497][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1165.734497][ T74] dst_init+0x84/0x4a0 [ 1165.734497][ T74] dst_alloc+0x97/0x150 [ 1165.734497][ T74] ip6_dst_alloc+0x23/0x90 [ 1165.734497][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1165.734497][ T74] ip6_pol_route+0x56f/0x840 [ 1165.734497][ T74] fib6_rule_lookup+0x456/0x630 [ 1165.734497][ T74] ip6_route_input+0x59c/0xa50 [ 1165.734497][ T74] ipv6_rcv+0x397/0x810 [ 1165.734497][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1165.734497][ T74] process_backlog+0x101/0x620 [ 1165.734497][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1165.734497][ T74] net_rx_action+0x495/0xbe0 [ 1165.734497][ T74] __do_softirq+0x1b5/0x7f6 [ 1165.734497][ T74] [ 1165.736226][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1165.736226][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1165.736226][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1165.736226][ T74] fib6_nh_init+0xa22/0x1580 [ 1165.736226][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1165.736226][ T74] ip6_route_add+0x1c/0x140 [ 1165.736226][ T74] inet6_rtm_newroute+0x104/0x110 [ 1165.736226][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1165.736226][ T74] netlink_rcv_skb+0x130/0x360 [ 1165.736226][ T74] netlink_unicast+0x449/0x710 [ 1165.736226][ T74] netlink_sendmsg+0x723/0xbe0 [ 1165.736226][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1165.736226][ T74] ___sys_sendmsg+0xee/0x170 [ 1165.736226][ T74] __sys_sendmsg+0xcd/0x170 [ 1165.736226][ T74] do_syscall_64+0xc6/0x1e0 [ 1165.736226][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1165.736226][ T74] [ 1165.738357][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1165.738357][ T74] netdev_get_by_index+0x5e/0x80 [ 1165.738357][ T74] fib6_nh_init+0x3d8/0x1580 [ 1165.738357][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1165.738357][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1165.738357][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1165.738357][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1165.738357][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1165.738357][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1165.738357][ T74] addrconf_dad_begin+0x310/0x670 [ 1165.738357][ T74] addrconf_dad_work+0x10b/0xab0 [ 1165.738357][ T74] process_one_work+0x84d/0x18a0 [ 1165.738357][ T74] worker_thread+0x587/0xd30 [ 1165.738357][ T74] kthread+0x28a/0x350 [ 1165.738357][ T74] ret_from_fork+0x31/0x70 [ 1165.738357][ T74] ret_from_fork_asm+0x1a/0x30 [ 1165.738357][ T74] [ 1165.740717][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1165.740717][ T74] netdev_get_by_index+0x5e/0x80 [ 1165.740717][ T74] fib6_nh_init+0x3d8/0x1580 [ 1165.740717][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1165.740717][ T74] ip6_route_add+0x1c/0x140 [ 1165.740717][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1165.740717][ T74] inet6_addr_add+0x4f8/0xa40 [ 1165.740717][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1165.740717][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1165.740717][ T74] netlink_rcv_skb+0x130/0x360 [ 1165.740717][ T74] netlink_unicast+0x449/0x710 [ 1165.740717][ T74] netlink_sendmsg+0x723/0xbe0 [ 1165.740717][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1165.740717][ T74] ___sys_sendmsg+0xee/0x170 [ 1165.740717][ T74] __sys_sendmsg+0xcd/0x170 [ 1165.740717][ T74] do_syscall_64+0xc6/0x1e0 [ 1165.740717][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1165.740717][ T74] [ 1165.743057][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1165.743057][ T74] netdev_get_by_index+0x5e/0x80 [ 1165.743057][ T74] fib6_nh_init+0x3d8/0x1580 [ 1165.743057][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1165.743057][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1165.743057][ T74] ipv6_add_addr+0x411/0x2000 [ 1165.743057][ T74] inet6_addr_add+0x30e/0xa40 [ 1165.743057][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1165.743057][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1165.743057][ T74] netlink_rcv_skb+0x130/0x360 [ 1165.743057][ T74] netlink_unicast+0x449/0x710 [ 1165.743057][ T74] netlink_sendmsg+0x723/0xbe0 [ 1165.743057][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1165.743057][ T74] ___sys_sendmsg+0xee/0x170 [ 1165.743057][ T74] __sys_sendmsg+0xcd/0x170 [ 1165.743057][ T74] do_syscall_64+0xc6/0x1e0 [ 1165.743057][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1165.743057][ T74] [ 1165.745342][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1165.745342][ T74] netdev_get_by_index+0x5e/0x80 [ 1165.745342][ T74] fib6_nh_init+0x3d8/0x1580 [ 1165.745342][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1165.745342][ T74] ip6_route_add+0x1c/0x140 [ 1165.745342][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1165.745342][ T74] addrconf_add_dev+0xe2/0x170 [ 1165.745342][ T74] inet6_addr_add+0x12f/0xa40 [ 1165.745342][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1165.745342][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1165.745342][ T74] netlink_rcv_skb+0x130/0x360 [ 1165.745342][ T74] netlink_unicast+0x449/0x710 [ 1165.745342][ T74] netlink_sendmsg+0x723/0xbe0 [ 1165.745342][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1165.745342][ T74] ___sys_sendmsg+0xee/0x170 [ 1165.745342][ T74] __sys_sendmsg+0xcd/0x170 [ 1165.745342][ T74] do_syscall_64+0xc6/0x1e0 [ 1165.745342][ T74] [ 1165.747595][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1165.747595][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1165.747595][ T74] ipv6_find_idev+0x102/0x170 [ 1165.747595][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1165.747595][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1165.747595][ T74] netlink_rcv_skb+0x130/0x360 [ 1165.747595][ T74] netlink_unicast+0x449/0x710 [ 1165.747595][ T74] netlink_sendmsg+0x723/0xbe0 [ 1165.747595][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1165.747595][ T74] ___sys_sendmsg+0xee/0x170 [ 1165.747595][ T74] __sys_sendmsg+0xcd/0x170 [ 1165.747595][ T74] do_syscall_64+0xc6/0x1e0 [ 1165.747595][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1165.747595][ T74] [ 1165.749334][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1165.749334][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1165.749334][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1165.749334][ T74] ipv6_find_idev+0x102/0x170 [ 1165.749334][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1165.749334][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1165.749334][ T74] netlink_rcv_skb+0x130/0x360 [ 1165.749334][ T74] netlink_unicast+0x449/0x710 [ 1165.749334][ T74] netlink_sendmsg+0x723/0xbe0 [ 1165.749334][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1165.749334][ T74] ___sys_sendmsg+0xee/0x170 [ 1165.749334][ T74] __sys_sendmsg+0xcd/0x170 [ 1165.749334][ T74] do_syscall_64+0xc6/0x1e0 [ 1165.749334][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1165.749334][ T74] [ 1165.751383][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1165.751656][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1165.751656][ T74] netdev_get_by_index+0x5e/0x80 [ 1165.751656][ T74] fib6_nh_init+0x3d8/0x1580 [ 1165.751656][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1165.751656][ T74] ip6_route_add+0x1c/0x140 [ 1165.751656][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1165.751656][ T74] inet6_addr_add+0x4f8/0xa40 [ 1165.751656][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1165.751656][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1165.751656][ T74] netlink_rcv_skb+0x130/0x360 [ 1165.751656][ T74] netlink_unicast+0x449/0x710 [ 1165.751656][ T74] netlink_sendmsg+0x723/0xbe0 [ 1165.751656][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1165.751656][ T74] ___sys_sendmsg+0xee/0x170 [ 1165.751656][ T74] __sys_sendmsg+0xcd/0x170 [ 1165.751656][ T74] do_syscall_64+0xc6/0x1e0 [ 1165.751656][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1165.751656][ T74] [ 1165.754014][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1165.754014][ T74] netdev_get_by_index+0x5e/0x80 [ 1165.754014][ T74] fib6_nh_init+0x3d8/0x1580 [ 1165.754014][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1165.754014][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1165.754014][ T74] ipv6_add_addr+0x411/0x2000 [ 1165.754014][ T74] inet6_addr_add+0x30e/0xa40 [ 1165.754014][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1165.754014][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1165.754014][ T74] netlink_rcv_skb+0x130/0x360 [ 1165.754014][ T74] netlink_unicast+0x449/0x710 [ 1165.754014][ T74] netlink_sendmsg+0x723/0xbe0 [ 1165.754014][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1165.754014][ T74] ___sys_sendmsg+0xee/0x170 [ 1165.754014][ T74] __sys_sendmsg+0xcd/0x170 [ 1165.754014][ T74] do_syscall_64+0xc6/0x1e0 [ 1165.754014][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1165.754014][ T74] [ 1165.756470][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1165.756470][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1165.756470][ T74] ipv6_find_idev+0x102/0x170 [ 1165.756470][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1165.756470][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1165.756470][ T74] netlink_rcv_skb+0x130/0x360 [ 1165.756470][ T74] netlink_unicast+0x449/0x710 [ 1165.756470][ T74] netlink_sendmsg+0x723/0xbe0 [ 1165.756470][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1165.756470][ T74] ___sys_sendmsg+0xee/0x170 [ 1165.756470][ T74] __sys_sendmsg+0xcd/0x170 [ 1165.756470][ T74] do_syscall_64+0xc6/0x1e0 [ 1165.756470][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1165.756470][ T74] [ 1165.758231][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1165.758231][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1165.758231][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1165.758231][ T74] ipv6_find_idev+0x102/0x170 [ 1165.758231][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1165.758231][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1165.758231][ T74] netlink_rcv_skb+0x130/0x360 [ 1165.758231][ T74] netlink_unicast+0x449/0x710 [ 1165.758231][ T74] netlink_sendmsg+0x723/0xbe0 [ 1165.758231][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1165.758231][ T74] ___sys_sendmsg+0xee/0x170 [ 1165.758231][ T74] __sys_sendmsg+0xcd/0x170 [ 1165.758231][ T74] do_syscall_64+0xc6/0x1e0 [ 1165.758231][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1165.758231][ T74] [ 1175.880014][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1175.880443][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1175.880443][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1175.880443][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1175.880443][ T74] fib6_nh_init+0xa22/0x1580 [ 1175.880443][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1175.880443][ T74] ip6_route_add+0x1c/0x140 [ 1175.880443][ T74] inet6_rtm_newroute+0x104/0x110 [ 1175.880443][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1175.880443][ T74] netlink_rcv_skb+0x130/0x360 [ 1175.880443][ T74] netlink_unicast+0x449/0x710 [ 1175.880443][ T74] netlink_sendmsg+0x723/0xbe0 [ 1175.880443][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1175.880443][ T74] ___sys_sendmsg+0xee/0x170 [ 1175.880443][ T74] __sys_sendmsg+0xcd/0x170 [ 1175.880443][ T74] do_syscall_64+0xc6/0x1e0 [ 1175.880443][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1175.880443][ T74] [ 1175.882531][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1175.882531][ T74] netdev_get_by_index+0x5e/0x80 [ 1175.882531][ T74] fib6_nh_init+0x3d8/0x1580 [ 1175.882531][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1175.882531][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1175.882531][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1175.882531][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1175.882531][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1175.882531][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1175.882531][ T74] addrconf_dad_begin+0x310/0x670 [ 1175.882531][ T74] addrconf_dad_work+0x10b/0xab0 [ 1175.882531][ T74] process_one_work+0x84d/0x18a0 [ 1175.882531][ T74] worker_thread+0x587/0xd30 [ 1175.882531][ T74] kthread+0x28a/0x350 [ 1175.882531][ T74] ret_from_fork+0x31/0x70 [ 1175.882531][ T74] ret_from_fork_asm+0x1a/0x30 [ 1175.882531][ T74] [ 1175.884498][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1175.884498][ T74] netdev_get_by_index+0x5e/0x80 [ 1175.884498][ T74] fib6_nh_init+0x3d8/0x1580 [ 1175.884498][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1175.884498][ T74] ip6_route_add+0x1c/0x140 [ 1175.884498][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1175.884498][ T74] inet6_addr_add+0x4f8/0xa40 [ 1175.884498][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1175.884498][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1175.884498][ T74] netlink_rcv_skb+0x130/0x360 [ 1175.884498][ T74] netlink_unicast+0x449/0x710 [ 1175.884498][ T74] netlink_sendmsg+0x723/0xbe0 [ 1175.884498][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1175.884498][ T74] ___sys_sendmsg+0xee/0x170 [ 1175.884498][ T74] __sys_sendmsg+0xcd/0x170 [ 1175.884498][ T74] do_syscall_64+0xc6/0x1e0 [ 1175.884498][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1175.884498][ T74] [ 1175.886518][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1175.886518][ T74] netdev_get_by_index+0x5e/0x80 [ 1175.886518][ T74] fib6_nh_init+0x3d8/0x1580 [ 1175.886518][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1175.886518][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1175.886518][ T74] ipv6_add_addr+0x411/0x2000 [ 1175.886518][ T74] inet6_addr_add+0x30e/0xa40 [ 1175.886518][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1175.886518][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1175.886518][ T74] netlink_rcv_skb+0x130/0x360 [ 1175.886518][ T74] netlink_unicast+0x449/0x710 [ 1175.886518][ T74] netlink_sendmsg+0x723/0xbe0 [ 1175.886518][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1175.886518][ T74] ___sys_sendmsg+0xee/0x170 [ 1175.886518][ T74] __sys_sendmsg+0xcd/0x170 [ 1175.886518][ T74] do_syscall_64+0xc6/0x1e0 [ 1175.886518][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1175.886518][ T74] [ 1175.888581][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1175.888581][ T74] netdev_get_by_index+0x5e/0x80 [ 1175.888581][ T74] fib6_nh_init+0x3d8/0x1580 [ 1175.888581][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1175.888581][ T74] ip6_route_add+0x1c/0x140 [ 1175.888581][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1175.888581][ T74] addrconf_add_dev+0xe2/0x170 [ 1175.888581][ T74] inet6_addr_add+0x12f/0xa40 [ 1175.888581][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1175.888581][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1175.888581][ T74] netlink_rcv_skb+0x130/0x360 [ 1175.888581][ T74] netlink_unicast+0x449/0x710 [ 1175.888581][ T74] netlink_sendmsg+0x723/0xbe0 [ 1175.888581][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1175.888581][ T74] ___sys_sendmsg+0xee/0x170 [ 1175.888581][ T74] __sys_sendmsg+0xcd/0x170 [ 1175.888581][ T74] do_syscall_64+0xc6/0x1e0 [ 1175.888581][ T74] [ 1175.890588][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1175.890588][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1175.890588][ T74] ipv6_find_idev+0x102/0x170 [ 1175.890588][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1175.890588][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1175.890588][ T74] netlink_rcv_skb+0x130/0x360 [ 1175.890588][ T74] netlink_unicast+0x449/0x710 [ 1175.890588][ T74] netlink_sendmsg+0x723/0xbe0 [ 1175.890588][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1175.890588][ T74] ___sys_sendmsg+0xee/0x170 [ 1175.890588][ T74] __sys_sendmsg+0xcd/0x170 [ 1175.890588][ T74] do_syscall_64+0xc6/0x1e0 [ 1175.890588][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1175.890588][ T74] [ 1175.892151][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1175.892151][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1175.892151][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1175.892151][ T74] ipv6_find_idev+0x102/0x170 [ 1175.892151][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1175.892151][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1175.892151][ T74] netlink_rcv_skb+0x130/0x360 [ 1175.892151][ T74] netlink_unicast+0x449/0x710 [ 1175.892151][ T74] netlink_sendmsg+0x723/0xbe0 [ 1175.892151][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1175.892151][ T74] ___sys_sendmsg+0xee/0x170 [ 1175.892151][ T74] __sys_sendmsg+0xcd/0x170 [ 1175.892151][ T74] do_syscall_64+0xc6/0x1e0 [ 1175.892151][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1175.892151][ T74] [ 1175.893885][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1175.894171][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1175.894171][ T74] dst_init+0x84/0x4a0 [ 1175.894171][ T74] dst_alloc+0x97/0x150 [ 1175.894171][ T74] ip6_dst_alloc+0x23/0x90 [ 1175.894171][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1175.894171][ T74] ip6_pol_route+0x56f/0x840 [ 1175.894171][ T74] fib6_rule_lookup+0x456/0x630 [ 1175.894171][ T74] ip6_route_input+0x59c/0xa50 [ 1175.894171][ T74] ipv6_rcv+0x397/0x810 [ 1175.894171][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1175.894171][ T74] process_backlog+0x101/0x620 [ 1175.894171][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1175.894171][ T74] net_rx_action+0x495/0xbe0 [ 1175.894171][ T74] __do_softirq+0x1b5/0x7f6 [ 1175.894171][ T74] [ 1175.896248][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1175.896248][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1175.896248][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1175.896248][ T74] fib6_nh_init+0xa22/0x1580 [ 1175.896248][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1175.896248][ T74] ip6_route_add+0x1c/0x140 [ 1175.896248][ T74] inet6_rtm_newroute+0x104/0x110 [ 1175.896248][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1175.896248][ T74] netlink_rcv_skb+0x130/0x360 [ 1175.896248][ T74] netlink_unicast+0x449/0x710 [ 1175.896248][ T74] netlink_sendmsg+0x723/0xbe0 [ 1175.896248][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1175.896248][ T74] ___sys_sendmsg+0xee/0x170 [ 1175.896248][ T74] __sys_sendmsg+0xcd/0x170 [ 1175.896248][ T74] do_syscall_64+0xc6/0x1e0 [ 1175.896248][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1175.896248][ T74] [ 1175.898473][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1175.898473][ T74] netdev_get_by_index+0x5e/0x80 [ 1175.898473][ T74] fib6_nh_init+0x3d8/0x1580 [ 1175.898473][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1175.898473][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1175.898473][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1175.898473][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1175.898473][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1175.898473][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1175.898473][ T74] addrconf_dad_begin+0x310/0x670 [ 1175.898473][ T74] addrconf_dad_work+0x10b/0xab0 [ 1175.898473][ T74] process_one_work+0x84d/0x18a0 [ 1175.898473][ T74] worker_thread+0x587/0xd30 [ 1175.898473][ T74] kthread+0x28a/0x350 [ 1175.898473][ T74] ret_from_fork+0x31/0x70 [ 1175.898473][ T74] ret_from_fork_asm+0x1a/0x30 [ 1175.898473][ T74] [ 1175.900663][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1175.900663][ T74] netdev_get_by_index+0x5e/0x80 [ 1175.900663][ T74] fib6_nh_init+0x3d8/0x1580 [ 1175.900663][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1175.900663][ T74] ip6_route_add+0x1c/0x140 [ 1175.900663][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1175.900663][ T74] inet6_addr_add+0x4f8/0xa40 [ 1175.900663][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1175.900663][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1175.900663][ T74] netlink_rcv_skb+0x130/0x360 [ 1175.900663][ T74] netlink_unicast+0x449/0x710 [ 1175.900663][ T74] netlink_sendmsg+0x723/0xbe0 [ 1175.900663][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1175.900663][ T74] ___sys_sendmsg+0xee/0x170 [ 1175.900663][ T74] __sys_sendmsg+0xcd/0x170 [ 1175.900663][ T74] do_syscall_64+0xc6/0x1e0 [ 1175.900663][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1175.900663][ T74] [ 1175.903019][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1175.903019][ T74] netdev_get_by_index+0x5e/0x80 [ 1175.903019][ T74] fib6_nh_init+0x3d8/0x1580 [ 1175.903019][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1175.903019][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1175.903019][ T74] ipv6_add_addr+0x411/0x2000 [ 1175.903019][ T74] inet6_addr_add+0x30e/0xa40 [ 1175.903019][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1175.903019][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1175.903019][ T74] netlink_rcv_skb+0x130/0x360 [ 1175.903019][ T74] netlink_unicast+0x449/0x710 [ 1175.903019][ T74] netlink_sendmsg+0x723/0xbe0 [ 1175.903019][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1175.903019][ T74] ___sys_sendmsg+0xee/0x170 [ 1175.903019][ T74] __sys_sendmsg+0xcd/0x170 [ 1175.903019][ T74] do_syscall_64+0xc6/0x1e0 [ 1175.903019][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1175.903019][ T74] [ 1175.905486][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1175.905486][ T74] netdev_get_by_index+0x5e/0x80 [ 1175.905486][ T74] fib6_nh_init+0x3d8/0x1580 [ 1175.905486][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1175.905486][ T74] ip6_route_add+0x1c/0x140 [ 1175.905486][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1175.905486][ T74] addrconf_add_dev+0xe2/0x170 [ 1175.905486][ T74] inet6_addr_add+0x12f/0xa40 [ 1175.905486][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1175.905486][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1175.905486][ T74] netlink_rcv_skb+0x130/0x360 [ 1175.905486][ T74] netlink_unicast+0x449/0x710 [ 1175.905486][ T74] netlink_sendmsg+0x723/0xbe0 [ 1175.905486][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1175.905486][ T74] ___sys_sendmsg+0xee/0x170 [ 1175.905486][ T74] __sys_sendmsg+0xcd/0x170 [ 1175.905486][ T74] do_syscall_64+0xc6/0x1e0 [ 1175.905486][ T74] [ 1175.907894][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1175.907894][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1175.907894][ T74] ipv6_find_idev+0x102/0x170 [ 1175.907894][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1175.907894][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1175.907894][ T74] netlink_rcv_skb+0x130/0x360 [ 1175.907894][ T74] netlink_unicast+0x449/0x710 [ 1175.907894][ T74] netlink_sendmsg+0x723/0xbe0 [ 1175.907894][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1175.907894][ T74] ___sys_sendmsg+0xee/0x170 [ 1175.907894][ T74] __sys_sendmsg+0xcd/0x170 [ 1175.907894][ T74] do_syscall_64+0xc6/0x1e0 [ 1175.907894][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1175.907894][ T74] [ 1175.909585][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1175.909585][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1175.909585][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1175.909585][ T74] ipv6_find_idev+0x102/0x170 [ 1175.909585][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1175.909585][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1175.909585][ T74] netlink_rcv_skb+0x130/0x360 [ 1175.909585][ T74] netlink_unicast+0x449/0x710 [ 1175.909585][ T74] netlink_sendmsg+0x723/0xbe0 [ 1175.909585][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1175.909585][ T74] ___sys_sendmsg+0xee/0x170 [ 1175.909585][ T74] __sys_sendmsg+0xcd/0x170 [ 1175.909585][ T74] do_syscall_64+0xc6/0x1e0 [ 1175.909585][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1175.909585][ T74] [ 1175.911641][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1175.911925][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1175.911925][ T74] netdev_get_by_index+0x5e/0x80 [ 1175.911925][ T74] fib6_nh_init+0x3d8/0x1580 [ 1175.911925][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1175.911925][ T74] ip6_route_add+0x1c/0x140 [ 1175.911925][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1175.911925][ T74] inet6_addr_add+0x4f8/0xa40 [ 1175.911925][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1175.911925][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1175.911925][ T74] netlink_rcv_skb+0x130/0x360 [ 1175.911925][ T74] netlink_unicast+0x449/0x710 [ 1175.911925][ T74] netlink_sendmsg+0x723/0xbe0 [ 1175.911925][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1175.911925][ T74] ___sys_sendmsg+0xee/0x170 [ 1175.911925][ T74] __sys_sendmsg+0xcd/0x170 [ 1175.911925][ T74] do_syscall_64+0xc6/0x1e0 [ 1175.911925][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1175.911925][ T74] [ 1175.914233][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1175.914233][ T74] netdev_get_by_index+0x5e/0x80 [ 1175.914233][ T74] fib6_nh_init+0x3d8/0x1580 [ 1175.914233][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1175.914233][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1175.914233][ T74] ipv6_add_addr+0x411/0x2000 [ 1175.914233][ T74] inet6_addr_add+0x30e/0xa40 [ 1175.914233][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1175.914233][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1175.914233][ T74] netlink_rcv_skb+0x130/0x360 [ 1175.914233][ T74] netlink_unicast+0x449/0x710 [ 1175.914233][ T74] netlink_sendmsg+0x723/0xbe0 [ 1175.914233][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1175.914233][ T74] ___sys_sendmsg+0xee/0x170 [ 1175.914233][ T74] __sys_sendmsg+0xcd/0x170 [ 1175.914233][ T74] do_syscall_64+0xc6/0x1e0 [ 1175.914233][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1175.914233][ T74] [ 1175.916671][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1175.916671][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1175.916671][ T74] ipv6_find_idev+0x102/0x170 [ 1175.916671][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1175.916671][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1175.916671][ T74] netlink_rcv_skb+0x130/0x360 [ 1175.916671][ T74] netlink_unicast+0x449/0x710 [ 1175.916671][ T74] netlink_sendmsg+0x723/0xbe0 [ 1175.916671][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1175.916671][ T74] ___sys_sendmsg+0xee/0x170 [ 1175.916671][ T74] __sys_sendmsg+0xcd/0x170 [ 1175.916671][ T74] do_syscall_64+0xc6/0x1e0 [ 1175.916671][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1175.916671][ T74] [ 1175.918445][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1175.918445][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1175.918445][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1175.918445][ T74] ipv6_find_idev+0x102/0x170 [ 1175.918445][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1175.918445][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1175.918445][ T74] netlink_rcv_skb+0x130/0x360 [ 1175.918445][ T74] netlink_unicast+0x449/0x710 [ 1175.918445][ T74] netlink_sendmsg+0x723/0xbe0 [ 1175.918445][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1175.918445][ T74] ___sys_sendmsg+0xee/0x170 [ 1175.918445][ T74] __sys_sendmsg+0xcd/0x170 [ 1175.918445][ T74] do_syscall_64+0xc6/0x1e0 [ 1175.918445][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1175.918445][ T74] [ 1186.032543][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1186.032971][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1186.032971][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1186.032971][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1186.032971][ T74] fib6_nh_init+0xa22/0x1580 [ 1186.032971][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1186.032971][ T74] ip6_route_add+0x1c/0x140 [ 1186.032971][ T74] inet6_rtm_newroute+0x104/0x110 [ 1186.032971][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1186.032971][ T74] netlink_rcv_skb+0x130/0x360 [ 1186.032971][ T74] netlink_unicast+0x449/0x710 [ 1186.032971][ T74] netlink_sendmsg+0x723/0xbe0 [ 1186.032971][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1186.032971][ T74] ___sys_sendmsg+0xee/0x170 [ 1186.032971][ T74] __sys_sendmsg+0xcd/0x170 [ 1186.032971][ T74] do_syscall_64+0xc6/0x1e0 [ 1186.032971][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1186.032971][ T74] [ 1186.034961][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1186.034961][ T74] netdev_get_by_index+0x5e/0x80 [ 1186.034961][ T74] fib6_nh_init+0x3d8/0x1580 [ 1186.034961][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1186.034961][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1186.034961][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1186.034961][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1186.034961][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1186.034961][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1186.034961][ T74] addrconf_dad_begin+0x310/0x670 [ 1186.034961][ T74] addrconf_dad_work+0x10b/0xab0 [ 1186.034961][ T74] process_one_work+0x84d/0x18a0 [ 1186.034961][ T74] worker_thread+0x587/0xd30 [ 1186.034961][ T74] kthread+0x28a/0x350 [ 1186.034961][ T74] ret_from_fork+0x31/0x70 [ 1186.034961][ T74] ret_from_fork_asm+0x1a/0x30 [ 1186.034961][ T74] [ 1186.036991][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1186.036991][ T74] netdev_get_by_index+0x5e/0x80 [ 1186.036991][ T74] fib6_nh_init+0x3d8/0x1580 [ 1186.036991][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1186.036991][ T74] ip6_route_add+0x1c/0x140 [ 1186.036991][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1186.036991][ T74] inet6_addr_add+0x4f8/0xa40 [ 1186.036991][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1186.036991][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1186.036991][ T74] netlink_rcv_skb+0x130/0x360 [ 1186.036991][ T74] netlink_unicast+0x449/0x710 [ 1186.036991][ T74] netlink_sendmsg+0x723/0xbe0 [ 1186.036991][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1186.036991][ T74] ___sys_sendmsg+0xee/0x170 [ 1186.036991][ T74] __sys_sendmsg+0xcd/0x170 [ 1186.036991][ T74] do_syscall_64+0xc6/0x1e0 [ 1186.036991][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1186.036991][ T74] [ 1186.039099][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1186.039099][ T74] netdev_get_by_index+0x5e/0x80 [ 1186.039099][ T74] fib6_nh_init+0x3d8/0x1580 [ 1186.039099][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1186.039099][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1186.039099][ T74] ipv6_add_addr+0x411/0x2000 [ 1186.039099][ T74] inet6_addr_add+0x30e/0xa40 [ 1186.039099][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1186.039099][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1186.039099][ T74] netlink_rcv_skb+0x130/0x360 [ 1186.039099][ T74] netlink_unicast+0x449/0x710 [ 1186.039099][ T74] netlink_sendmsg+0x723/0xbe0 [ 1186.039099][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1186.039099][ T74] ___sys_sendmsg+0xee/0x170 [ 1186.039099][ T74] __sys_sendmsg+0xcd/0x170 [ 1186.039099][ T74] do_syscall_64+0xc6/0x1e0 [ 1186.039099][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1186.039099][ T74] [ 1186.041179][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1186.041179][ T74] netdev_get_by_index+0x5e/0x80 [ 1186.041179][ T74] fib6_nh_init+0x3d8/0x1580 [ 1186.041179][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1186.041179][ T74] ip6_route_add+0x1c/0x140 [ 1186.041179][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1186.041179][ T74] addrconf_add_dev+0xe2/0x170 [ 1186.041179][ T74] inet6_addr_add+0x12f/0xa40 [ 1186.041179][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1186.041179][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1186.041179][ T74] netlink_rcv_skb+0x130/0x360 [ 1186.041179][ T74] netlink_unicast+0x449/0x710 [ 1186.041179][ T74] netlink_sendmsg+0x723/0xbe0 [ 1186.041179][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1186.041179][ T74] ___sys_sendmsg+0xee/0x170 [ 1186.041179][ T74] __sys_sendmsg+0xcd/0x170 [ 1186.041179][ T74] do_syscall_64+0xc6/0x1e0 [ 1186.041179][ T74] [ 1186.043215][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1186.043215][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1186.043215][ T74] ipv6_find_idev+0x102/0x170 [ 1186.043215][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1186.043215][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1186.043215][ T74] netlink_rcv_skb+0x130/0x360 [ 1186.043215][ T74] netlink_unicast+0x449/0x710 [ 1186.043215][ T74] netlink_sendmsg+0x723/0xbe0 [ 1186.043215][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1186.043215][ T74] ___sys_sendmsg+0xee/0x170 [ 1186.043215][ T74] __sys_sendmsg+0xcd/0x170 [ 1186.043215][ T74] do_syscall_64+0xc6/0x1e0 [ 1186.043215][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1186.043215][ T74] [ 1186.044847][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1186.044847][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1186.044847][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1186.044847][ T74] ipv6_find_idev+0x102/0x170 [ 1186.044847][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1186.044847][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1186.044847][ T74] netlink_rcv_skb+0x130/0x360 [ 1186.044847][ T74] netlink_unicast+0x449/0x710 [ 1186.044847][ T74] netlink_sendmsg+0x723/0xbe0 [ 1186.044847][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1186.044847][ T74] ___sys_sendmsg+0xee/0x170 [ 1186.044847][ T74] __sys_sendmsg+0xcd/0x170 [ 1186.044847][ T74] do_syscall_64+0xc6/0x1e0 [ 1186.044847][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1186.044847][ T74] [ 1186.046605][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1186.046889][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1186.046889][ T74] dst_init+0x84/0x4a0 [ 1186.046889][ T74] dst_alloc+0x97/0x150 [ 1186.046889][ T74] ip6_dst_alloc+0x23/0x90 [ 1186.046889][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1186.046889][ T74] ip6_pol_route+0x56f/0x840 [ 1186.046889][ T74] fib6_rule_lookup+0x456/0x630 [ 1186.046889][ T74] ip6_route_input+0x59c/0xa50 [ 1186.046889][ T74] ipv6_rcv+0x397/0x810 [ 1186.046889][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1186.046889][ T74] process_backlog+0x101/0x620 [ 1186.046889][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1186.046889][ T74] net_rx_action+0x495/0xbe0 [ 1186.046889][ T74] __do_softirq+0x1b5/0x7f6 [ 1186.046889][ T74] [ 1186.048655][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1186.048655][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1186.048655][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1186.048655][ T74] fib6_nh_init+0xa22/0x1580 [ 1186.048655][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1186.048655][ T74] ip6_route_add+0x1c/0x140 [ 1186.048655][ T74] inet6_rtm_newroute+0x104/0x110 [ 1186.048655][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1186.048655][ T74] netlink_rcv_skb+0x130/0x360 [ 1186.048655][ T74] netlink_unicast+0x449/0x710 [ 1186.048655][ T74] netlink_sendmsg+0x723/0xbe0 [ 1186.048655][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1186.048655][ T74] ___sys_sendmsg+0xee/0x170 [ 1186.048655][ T74] __sys_sendmsg+0xcd/0x170 [ 1186.048655][ T74] do_syscall_64+0xc6/0x1e0 [ 1186.048655][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1186.048655][ T74] [ 1186.050828][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1186.050828][ T74] netdev_get_by_index+0x5e/0x80 [ 1186.050828][ T74] fib6_nh_init+0x3d8/0x1580 [ 1186.050828][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1186.050828][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1186.050828][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1186.050828][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1186.050828][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1186.050828][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1186.050828][ T74] addrconf_dad_begin+0x310/0x670 [ 1186.050828][ T74] addrconf_dad_work+0x10b/0xab0 [ 1186.050828][ T74] process_one_work+0x84d/0x18a0 [ 1186.050828][ T74] worker_thread+0x587/0xd30 [ 1186.050828][ T74] kthread+0x28a/0x350 [ 1186.050828][ T74] ret_from_fork+0x31/0x70 [ 1186.050828][ T74] ret_from_fork_asm+0x1a/0x30 [ 1186.050828][ T74] [ 1186.053050][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1186.053050][ T74] netdev_get_by_index+0x5e/0x80 [ 1186.053050][ T74] fib6_nh_init+0x3d8/0x1580 [ 1186.053050][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1186.053050][ T74] ip6_route_add+0x1c/0x140 [ 1186.053050][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1186.053050][ T74] inet6_addr_add+0x4f8/0xa40 [ 1186.053050][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1186.053050][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1186.053050][ T74] netlink_rcv_skb+0x130/0x360 [ 1186.053050][ T74] netlink_unicast+0x449/0x710 [ 1186.053050][ T74] netlink_sendmsg+0x723/0xbe0 [ 1186.053050][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1186.053050][ T74] ___sys_sendmsg+0xee/0x170 [ 1186.053050][ T74] __sys_sendmsg+0xcd/0x170 [ 1186.053050][ T74] do_syscall_64+0xc6/0x1e0 [ 1186.053050][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1186.053050][ T74] [ 1186.055312][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1186.055312][ T74] netdev_get_by_index+0x5e/0x80 [ 1186.055312][ T74] fib6_nh_init+0x3d8/0x1580 [ 1186.055312][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1186.055312][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1186.055312][ T74] ipv6_add_addr+0x411/0x2000 [ 1186.055312][ T74] inet6_addr_add+0x30e/0xa40 [ 1186.055312][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1186.055312][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1186.055312][ T74] netlink_rcv_skb+0x130/0x360 [ 1186.055312][ T74] netlink_unicast+0x449/0x710 [ 1186.055312][ T74] netlink_sendmsg+0x723/0xbe0 [ 1186.055312][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1186.055312][ T74] ___sys_sendmsg+0xee/0x170 [ 1186.055312][ T74] __sys_sendmsg+0xcd/0x170 [ 1186.055312][ T74] do_syscall_64+0xc6/0x1e0 [ 1186.055312][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1186.055312][ T74] [ 1186.057584][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1186.057584][ T74] netdev_get_by_index+0x5e/0x80 [ 1186.057584][ T74] fib6_nh_init+0x3d8/0x1580 [ 1186.057584][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1186.057584][ T74] ip6_route_add+0x1c/0x140 [ 1186.057584][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1186.057584][ T74] addrconf_add_dev+0xe2/0x170 [ 1186.057584][ T74] inet6_addr_add+0x12f/0xa40 [ 1186.057584][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1186.057584][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1186.057584][ T74] netlink_rcv_skb+0x130/0x360 [ 1186.057584][ T74] netlink_unicast+0x449/0x710 [ 1186.057584][ T74] netlink_sendmsg+0x723/0xbe0 [ 1186.057584][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1186.057584][ T74] ___sys_sendmsg+0xee/0x170 [ 1186.057584][ T74] __sys_sendmsg+0xcd/0x170 [ 1186.057584][ T74] do_syscall_64+0xc6/0x1e0 [ 1186.057584][ T74] [ 1186.059869][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1186.059869][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1186.059869][ T74] ipv6_find_idev+0x102/0x170 [ 1186.059869][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1186.059869][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1186.059869][ T74] netlink_rcv_skb+0x130/0x360 [ 1186.059869][ T74] netlink_unicast+0x449/0x710 [ 1186.059869][ T74] netlink_sendmsg+0x723/0xbe0 [ 1186.059869][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1186.059869][ T74] ___sys_sendmsg+0xee/0x170 [ 1186.059869][ T74] __sys_sendmsg+0xcd/0x170 [ 1186.059869][ T74] do_syscall_64+0xc6/0x1e0 [ 1186.059869][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1186.059869][ T74] [ 1186.061628][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1186.061628][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1186.061628][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1186.061628][ T74] ipv6_find_idev+0x102/0x170 [ 1186.061628][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1186.061628][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1186.061628][ T74] netlink_rcv_skb+0x130/0x360 [ 1186.061628][ T74] netlink_unicast+0x449/0x710 [ 1186.061628][ T74] netlink_sendmsg+0x723/0xbe0 [ 1186.061628][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1186.061628][ T74] ___sys_sendmsg+0xee/0x170 [ 1186.061628][ T74] __sys_sendmsg+0xcd/0x170 [ 1186.061628][ T74] do_syscall_64+0xc6/0x1e0 [ 1186.061628][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1186.061628][ T74] [ 1186.063655][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1186.064011][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1186.064011][ T74] netdev_get_by_index+0x5e/0x80 [ 1186.064011][ T74] fib6_nh_init+0x3d8/0x1580 [ 1186.064011][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1186.064011][ T74] ip6_route_add+0x1c/0x140 [ 1186.064011][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1186.064011][ T74] inet6_addr_add+0x4f8/0xa40 [ 1186.064011][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1186.064011][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1186.064011][ T74] netlink_rcv_skb+0x130/0x360 [ 1186.064011][ T74] netlink_unicast+0x449/0x710 [ 1186.064011][ T74] netlink_sendmsg+0x723/0xbe0 [ 1186.064011][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1186.064011][ T74] ___sys_sendmsg+0xee/0x170 [ 1186.064011][ T74] __sys_sendmsg+0xcd/0x170 [ 1186.064011][ T74] do_syscall_64+0xc6/0x1e0 [ 1186.064011][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1186.064011][ T74] [ 1186.066273][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1186.066273][ T74] netdev_get_by_index+0x5e/0x80 [ 1186.066273][ T74] fib6_nh_init+0x3d8/0x1580 [ 1186.066273][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1186.066273][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1186.066273][ T74] ipv6_add_addr+0x411/0x2000 [ 1186.066273][ T74] inet6_addr_add+0x30e/0xa40 [ 1186.066273][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1186.066273][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1186.066273][ T74] netlink_rcv_skb+0x130/0x360 [ 1186.066273][ T74] netlink_unicast+0x449/0x710 [ 1186.066273][ T74] netlink_sendmsg+0x723/0xbe0 [ 1186.066273][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1186.066273][ T74] ___sys_sendmsg+0xee/0x170 [ 1186.066273][ T74] __sys_sendmsg+0xcd/0x170 [ 1186.066273][ T74] do_syscall_64+0xc6/0x1e0 [ 1186.066273][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1186.066273][ T74] [ 1186.068717][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1186.068717][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1186.068717][ T74] ipv6_find_idev+0x102/0x170 [ 1186.068717][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1186.068717][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1186.068717][ T74] netlink_rcv_skb+0x130/0x360 [ 1186.068717][ T74] netlink_unicast+0x449/0x710 [ 1186.068717][ T74] netlink_sendmsg+0x723/0xbe0 [ 1186.068717][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1186.068717][ T74] ___sys_sendmsg+0xee/0x170 [ 1186.068717][ T74] __sys_sendmsg+0xcd/0x170 [ 1186.068717][ T74] do_syscall_64+0xc6/0x1e0 [ 1186.068717][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1186.068717][ T74] [ 1186.070397][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1186.070397][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1186.070397][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1186.070397][ T74] ipv6_find_idev+0x102/0x170 [ 1186.070397][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1186.070397][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1186.070397][ T74] netlink_rcv_skb+0x130/0x360 [ 1186.070397][ T74] netlink_unicast+0x449/0x710 [ 1186.070397][ T74] netlink_sendmsg+0x723/0xbe0 [ 1186.070397][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1186.070397][ T74] ___sys_sendmsg+0xee/0x170 [ 1186.070397][ T74] __sys_sendmsg+0xcd/0x170 [ 1186.070397][ T74] do_syscall_64+0xc6/0x1e0 [ 1186.070397][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1186.070397][ T74] [ 1196.207896][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1196.208279][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1196.208279][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1196.208279][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1196.208279][ T74] fib6_nh_init+0xa22/0x1580 [ 1196.208279][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1196.208279][ T74] ip6_route_add+0x1c/0x140 [ 1196.208279][ T74] inet6_rtm_newroute+0x104/0x110 [ 1196.208279][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1196.208279][ T74] netlink_rcv_skb+0x130/0x360 [ 1196.208279][ T74] netlink_unicast+0x449/0x710 [ 1196.208279][ T74] netlink_sendmsg+0x723/0xbe0 [ 1196.208279][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1196.208279][ T74] ___sys_sendmsg+0xee/0x170 [ 1196.208279][ T74] __sys_sendmsg+0xcd/0x170 [ 1196.208279][ T74] do_syscall_64+0xc6/0x1e0 [ 1196.208279][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1196.208279][ T74] [ 1196.210557][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1196.210557][ T74] netdev_get_by_index+0x5e/0x80 [ 1196.210557][ T74] fib6_nh_init+0x3d8/0x1580 [ 1196.210557][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1196.210557][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1196.210557][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1196.210557][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1196.210557][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1196.210557][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1196.210557][ T74] addrconf_dad_begin+0x310/0x670 [ 1196.210557][ T74] addrconf_dad_work+0x10b/0xab0 [ 1196.210557][ T74] process_one_work+0x84d/0x18a0 [ 1196.210557][ T74] worker_thread+0x587/0xd30 [ 1196.210557][ T74] kthread+0x28a/0x350 [ 1196.210557][ T74] ret_from_fork+0x31/0x70 [ 1196.210557][ T74] ret_from_fork_asm+0x1a/0x30 [ 1196.210557][ T74] [ 1196.212869][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1196.212869][ T74] netdev_get_by_index+0x5e/0x80 [ 1196.212869][ T74] fib6_nh_init+0x3d8/0x1580 [ 1196.212869][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1196.212869][ T74] ip6_route_add+0x1c/0x140 [ 1196.212869][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1196.212869][ T74] inet6_addr_add+0x4f8/0xa40 [ 1196.212869][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1196.212869][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1196.212869][ T74] netlink_rcv_skb+0x130/0x360 [ 1196.212869][ T74] netlink_unicast+0x449/0x710 [ 1196.212869][ T74] netlink_sendmsg+0x723/0xbe0 [ 1196.212869][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1196.212869][ T74] ___sys_sendmsg+0xee/0x170 [ 1196.212869][ T74] __sys_sendmsg+0xcd/0x170 [ 1196.212869][ T74] do_syscall_64+0xc6/0x1e0 [ 1196.212869][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1196.212869][ T74] [ 1196.215227][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1196.215227][ T74] netdev_get_by_index+0x5e/0x80 [ 1196.215227][ T74] fib6_nh_init+0x3d8/0x1580 [ 1196.215227][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1196.215227][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1196.215227][ T74] ipv6_add_addr+0x411/0x2000 [ 1196.215227][ T74] inet6_addr_add+0x30e/0xa40 [ 1196.215227][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1196.215227][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1196.215227][ T74] netlink_rcv_skb+0x130/0x360 [ 1196.215227][ T74] netlink_unicast+0x449/0x710 [ 1196.215227][ T74] netlink_sendmsg+0x723/0xbe0 [ 1196.215227][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1196.215227][ T74] ___sys_sendmsg+0xee/0x170 [ 1196.215227][ T74] __sys_sendmsg+0xcd/0x170 [ 1196.215227][ T74] do_syscall_64+0xc6/0x1e0 [ 1196.215227][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1196.215227][ T74] [ 1196.217596][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1196.217596][ T74] netdev_get_by_index+0x5e/0x80 [ 1196.217596][ T74] fib6_nh_init+0x3d8/0x1580 [ 1196.217596][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1196.217596][ T74] ip6_route_add+0x1c/0x140 [ 1196.217596][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1196.217596][ T74] addrconf_add_dev+0xe2/0x170 [ 1196.217596][ T74] inet6_addr_add+0x12f/0xa40 [ 1196.217596][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1196.217596][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1196.217596][ T74] netlink_rcv_skb+0x130/0x360 [ 1196.217596][ T74] netlink_unicast+0x449/0x710 [ 1196.217596][ T74] netlink_sendmsg+0x723/0xbe0 [ 1196.217596][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1196.217596][ T74] ___sys_sendmsg+0xee/0x170 [ 1196.217596][ T74] __sys_sendmsg+0xcd/0x170 [ 1196.217596][ T74] do_syscall_64+0xc6/0x1e0 [ 1196.217596][ T74] [ 1196.219898][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1196.219898][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1196.219898][ T74] ipv6_find_idev+0x102/0x170 [ 1196.219898][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1196.219898][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1196.219898][ T74] netlink_rcv_skb+0x130/0x360 [ 1196.219898][ T74] netlink_unicast+0x449/0x710 [ 1196.219898][ T74] netlink_sendmsg+0x723/0xbe0 [ 1196.219898][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1196.219898][ T74] ___sys_sendmsg+0xee/0x170 [ 1196.219898][ T74] __sys_sendmsg+0xcd/0x170 [ 1196.219898][ T74] do_syscall_64+0xc6/0x1e0 [ 1196.219898][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1196.219898][ T74] [ 1196.221894][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1196.221894][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1196.221894][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1196.221894][ T74] ipv6_find_idev+0x102/0x170 [ 1196.221894][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1196.221894][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1196.221894][ T74] netlink_rcv_skb+0x130/0x360 [ 1196.221894][ T74] netlink_unicast+0x449/0x710 [ 1196.221894][ T74] netlink_sendmsg+0x723/0xbe0 [ 1196.221894][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1196.221894][ T74] ___sys_sendmsg+0xee/0x170 [ 1196.221894][ T74] __sys_sendmsg+0xcd/0x170 [ 1196.221894][ T74] do_syscall_64+0xc6/0x1e0 [ 1196.221894][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1196.221894][ T74] [ 1196.224265][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1196.224591][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1196.224591][ T74] dst_init+0x84/0x4a0 [ 1196.224591][ T74] dst_alloc+0x97/0x150 [ 1196.224591][ T74] ip6_dst_alloc+0x23/0x90 [ 1196.224591][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1196.224591][ T74] ip6_pol_route+0x56f/0x840 [ 1196.224591][ T74] fib6_rule_lookup+0x456/0x630 [ 1196.224591][ T74] ip6_route_input+0x59c/0xa50 [ 1196.224591][ T74] ipv6_rcv+0x397/0x810 [ 1196.224591][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1196.224591][ T74] process_backlog+0x101/0x620 [ 1196.224591][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1196.224591][ T74] net_rx_action+0x495/0xbe0 [ 1196.224591][ T74] __do_softirq+0x1b5/0x7f6 [ 1196.224591][ T74] [ 1196.226731][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1196.226731][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1196.226731][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1196.226731][ T74] fib6_nh_init+0xa22/0x1580 [ 1196.226731][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1196.226731][ T74] ip6_route_add+0x1c/0x140 [ 1196.226731][ T74] inet6_rtm_newroute+0x104/0x110 [ 1196.226731][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1196.226731][ T74] netlink_rcv_skb+0x130/0x360 [ 1196.226731][ T74] netlink_unicast+0x449/0x710 [ 1196.226731][ T74] netlink_sendmsg+0x723/0xbe0 [ 1196.226731][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1196.226731][ T74] ___sys_sendmsg+0xee/0x170 [ 1196.226731][ T74] __sys_sendmsg+0xcd/0x170 [ 1196.226731][ T74] do_syscall_64+0xc6/0x1e0 [ 1196.226731][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1196.226731][ T74] [ 1196.229201][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1196.229201][ T74] netdev_get_by_index+0x5e/0x80 [ 1196.229201][ T74] fib6_nh_init+0x3d8/0x1580 [ 1196.229201][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1196.229201][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1196.229201][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1196.229201][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1196.229201][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1196.229201][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1196.229201][ T74] addrconf_dad_begin+0x310/0x670 [ 1196.229201][ T74] addrconf_dad_work+0x10b/0xab0 [ 1196.229201][ T74] process_one_work+0x84d/0x18a0 [ 1196.229201][ T74] worker_thread+0x587/0xd30 [ 1196.229201][ T74] kthread+0x28a/0x350 [ 1196.229201][ T74] ret_from_fork+0x31/0x70 [ 1196.229201][ T74] ret_from_fork_asm+0x1a/0x30 [ 1196.229201][ T74] [ 1196.231811][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1196.231811][ T74] netdev_get_by_index+0x5e/0x80 [ 1196.231811][ T74] fib6_nh_init+0x3d8/0x1580 [ 1196.231811][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1196.231811][ T74] ip6_route_add+0x1c/0x140 [ 1196.231811][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1196.231811][ T74] inet6_addr_add+0x4f8/0xa40 [ 1196.231811][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1196.231811][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1196.231811][ T74] netlink_rcv_skb+0x130/0x360 [ 1196.231811][ T74] netlink_unicast+0x449/0x710 [ 1196.231811][ T74] netlink_sendmsg+0x723/0xbe0 [ 1196.231811][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1196.231811][ T74] ___sys_sendmsg+0xee/0x170 [ 1196.231811][ T74] __sys_sendmsg+0xcd/0x170 [ 1196.231811][ T74] do_syscall_64+0xc6/0x1e0 [ 1196.231811][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1196.231811][ T74] [ 1196.234550][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1196.234550][ T74] netdev_get_by_index+0x5e/0x80 [ 1196.234550][ T74] fib6_nh_init+0x3d8/0x1580 [ 1196.234550][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1196.234550][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1196.234550][ T74] ipv6_add_addr+0x411/0x2000 [ 1196.234550][ T74] inet6_addr_add+0x30e/0xa40 [ 1196.234550][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1196.234550][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1196.234550][ T74] netlink_rcv_skb+0x130/0x360 [ 1196.234550][ T74] netlink_unicast+0x449/0x710 [ 1196.234550][ T74] netlink_sendmsg+0x723/0xbe0 [ 1196.234550][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1196.234550][ T74] ___sys_sendmsg+0xee/0x170 [ 1196.234550][ T74] __sys_sendmsg+0xcd/0x170 [ 1196.234550][ T74] do_syscall_64+0xc6/0x1e0 [ 1196.234550][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1196.234550][ T74] [ 1196.237357][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1196.237357][ T74] netdev_get_by_index+0x5e/0x80 [ 1196.237357][ T74] fib6_nh_init+0x3d8/0x1580 [ 1196.237357][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1196.237357][ T74] ip6_route_add+0x1c/0x140 [ 1196.237357][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1196.237357][ T74] addrconf_add_dev+0xe2/0x170 [ 1196.237357][ T74] inet6_addr_add+0x12f/0xa40 [ 1196.237357][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1196.237357][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1196.237357][ T74] netlink_rcv_skb+0x130/0x360 [ 1196.237357][ T74] netlink_unicast+0x449/0x710 [ 1196.237357][ T74] netlink_sendmsg+0x723/0xbe0 [ 1196.237357][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1196.237357][ T74] ___sys_sendmsg+0xee/0x170 [ 1196.237357][ T74] __sys_sendmsg+0xcd/0x170 [ 1196.237357][ T74] do_syscall_64+0xc6/0x1e0 [ 1196.237357][ T74] [ 1196.239929][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1196.239929][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1196.239929][ T74] ipv6_find_idev+0x102/0x170 [ 1196.239929][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1196.239929][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1196.239929][ T74] netlink_rcv_skb+0x130/0x360 [ 1196.239929][ T74] netlink_unicast+0x449/0x710 [ 1196.239929][ T74] netlink_sendmsg+0x723/0xbe0 [ 1196.239929][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1196.239929][ T74] ___sys_sendmsg+0xee/0x170 [ 1196.239929][ T74] __sys_sendmsg+0xcd/0x170 [ 1196.239929][ T74] do_syscall_64+0xc6/0x1e0 [ 1196.239929][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1196.239929][ T74] [ 1196.241884][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1196.241884][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1196.241884][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1196.241884][ T74] ipv6_find_idev+0x102/0x170 [ 1196.241884][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1196.241884][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1196.241884][ T74] netlink_rcv_skb+0x130/0x360 [ 1196.241884][ T74] netlink_unicast+0x449/0x710 [ 1196.241884][ T74] netlink_sendmsg+0x723/0xbe0 [ 1196.241884][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1196.241884][ T74] ___sys_sendmsg+0xee/0x170 [ 1196.241884][ T74] __sys_sendmsg+0xcd/0x170 [ 1196.241884][ T74] do_syscall_64+0xc6/0x1e0 [ 1196.241884][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1196.241884][ T74] [ 1196.244069][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1196.244362][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1196.244362][ T74] netdev_get_by_index+0x5e/0x80 [ 1196.244362][ T74] fib6_nh_init+0x3d8/0x1580 [ 1196.244362][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1196.244362][ T74] ip6_route_add+0x1c/0x140 [ 1196.244362][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1196.244362][ T74] inet6_addr_add+0x4f8/0xa40 [ 1196.244362][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1196.244362][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1196.244362][ T74] netlink_rcv_skb+0x130/0x360 [ 1196.244362][ T74] netlink_unicast+0x449/0x710 [ 1196.244362][ T74] netlink_sendmsg+0x723/0xbe0 [ 1196.244362][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1196.244362][ T74] ___sys_sendmsg+0xee/0x170 [ 1196.244362][ T74] __sys_sendmsg+0xcd/0x170 [ 1196.244362][ T74] do_syscall_64+0xc6/0x1e0 [ 1196.244362][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1196.244362][ T74] [ 1196.247015][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1196.247015][ T74] netdev_get_by_index+0x5e/0x80 [ 1196.247015][ T74] fib6_nh_init+0x3d8/0x1580 [ 1196.247015][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1196.247015][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1196.247015][ T74] ipv6_add_addr+0x411/0x2000 [ 1196.247015][ T74] inet6_addr_add+0x30e/0xa40 [ 1196.247015][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1196.247015][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1196.247015][ T74] netlink_rcv_skb+0x130/0x360 [ 1196.247015][ T74] netlink_unicast+0x449/0x710 [ 1196.247015][ T74] netlink_sendmsg+0x723/0xbe0 [ 1196.247015][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1196.247015][ T74] ___sys_sendmsg+0xee/0x170 [ 1196.247015][ T74] __sys_sendmsg+0xcd/0x170 [ 1196.247015][ T74] do_syscall_64+0xc6/0x1e0 [ 1196.247015][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1196.247015][ T74] [ 1196.249537][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1196.249537][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1196.249537][ T74] ipv6_find_idev+0x102/0x170 [ 1196.249537][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1196.249537][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1196.249537][ T74] netlink_rcv_skb+0x130/0x360 [ 1196.249537][ T74] netlink_unicast+0x449/0x710 [ 1196.249537][ T74] netlink_sendmsg+0x723/0xbe0 [ 1196.249537][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1196.249537][ T74] ___sys_sendmsg+0xee/0x170 [ 1196.249537][ T74] __sys_sendmsg+0xcd/0x170 [ 1196.249537][ T74] do_syscall_64+0xc6/0x1e0 [ 1196.249537][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1196.249537][ T74] [ 1196.251537][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1196.251537][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1196.251537][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1196.251537][ T74] ipv6_find_idev+0x102/0x170 [ 1196.251537][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1196.251537][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1196.251537][ T74] netlink_rcv_skb+0x130/0x360 [ 1196.251537][ T74] netlink_unicast+0x449/0x710 [ 1196.251537][ T74] netlink_sendmsg+0x723/0xbe0 [ 1196.251537][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1196.251537][ T74] ___sys_sendmsg+0xee/0x170 [ 1196.251537][ T74] __sys_sendmsg+0xcd/0x170 [ 1196.251537][ T74] do_syscall_64+0xc6/0x1e0 [ 1196.251537][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1196.251537][ T74] [ 1206.359989][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1206.360441][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1206.360441][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1206.360441][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1206.360441][ T74] fib6_nh_init+0xa22/0x1580 [ 1206.360441][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1206.360441][ T74] ip6_route_add+0x1c/0x140 [ 1206.360441][ T74] inet6_rtm_newroute+0x104/0x110 [ 1206.360441][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1206.360441][ T74] netlink_rcv_skb+0x130/0x360 [ 1206.360441][ T74] netlink_unicast+0x449/0x710 [ 1206.360441][ T74] netlink_sendmsg+0x723/0xbe0 [ 1206.360441][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1206.360441][ T74] ___sys_sendmsg+0xee/0x170 [ 1206.360441][ T74] __sys_sendmsg+0xcd/0x170 [ 1206.360441][ T74] do_syscall_64+0xc6/0x1e0 [ 1206.360441][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1206.360441][ T74] [ 1206.362556][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1206.362556][ T74] netdev_get_by_index+0x5e/0x80 [ 1206.362556][ T74] fib6_nh_init+0x3d8/0x1580 [ 1206.362556][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1206.362556][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1206.362556][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1206.362556][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1206.362556][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1206.362556][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1206.362556][ T74] addrconf_dad_begin+0x310/0x670 [ 1206.362556][ T74] addrconf_dad_work+0x10b/0xab0 [ 1206.362556][ T74] process_one_work+0x84d/0x18a0 [ 1206.362556][ T74] worker_thread+0x587/0xd30 [ 1206.362556][ T74] kthread+0x28a/0x350 [ 1206.362556][ T74] ret_from_fork+0x31/0x70 [ 1206.362556][ T74] ret_from_fork_asm+0x1a/0x30 [ 1206.362556][ T74] [ 1206.364623][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1206.364623][ T74] netdev_get_by_index+0x5e/0x80 [ 1206.364623][ T74] fib6_nh_init+0x3d8/0x1580 [ 1206.364623][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1206.364623][ T74] ip6_route_add+0x1c/0x140 [ 1206.364623][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1206.364623][ T74] inet6_addr_add+0x4f8/0xa40 [ 1206.364623][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1206.364623][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1206.364623][ T74] netlink_rcv_skb+0x130/0x360 [ 1206.364623][ T74] netlink_unicast+0x449/0x710 [ 1206.364623][ T74] netlink_sendmsg+0x723/0xbe0 [ 1206.364623][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1206.364623][ T74] ___sys_sendmsg+0xee/0x170 [ 1206.364623][ T74] __sys_sendmsg+0xcd/0x170 [ 1206.364623][ T74] do_syscall_64+0xc6/0x1e0 [ 1206.364623][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1206.364623][ T74] [ 1206.366659][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1206.366659][ T74] netdev_get_by_index+0x5e/0x80 [ 1206.366659][ T74] fib6_nh_init+0x3d8/0x1580 [ 1206.366659][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1206.366659][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1206.366659][ T74] ipv6_add_addr+0x411/0x2000 [ 1206.366659][ T74] inet6_addr_add+0x30e/0xa40 [ 1206.366659][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1206.366659][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1206.366659][ T74] netlink_rcv_skb+0x130/0x360 [ 1206.366659][ T74] netlink_unicast+0x449/0x710 [ 1206.366659][ T74] netlink_sendmsg+0x723/0xbe0 [ 1206.366659][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1206.366659][ T74] ___sys_sendmsg+0xee/0x170 [ 1206.366659][ T74] __sys_sendmsg+0xcd/0x170 [ 1206.366659][ T74] do_syscall_64+0xc6/0x1e0 [ 1206.366659][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1206.366659][ T74] [ 1206.369163][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1206.369163][ T74] netdev_get_by_index+0x5e/0x80 [ 1206.369163][ T74] fib6_nh_init+0x3d8/0x1580 [ 1206.369163][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1206.369163][ T74] ip6_route_add+0x1c/0x140 [ 1206.369163][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1206.369163][ T74] addrconf_add_dev+0xe2/0x170 [ 1206.369163][ T74] inet6_addr_add+0x12f/0xa40 [ 1206.369163][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1206.369163][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1206.369163][ T74] netlink_rcv_skb+0x130/0x360 [ 1206.369163][ T74] netlink_unicast+0x449/0x710 [ 1206.369163][ T74] netlink_sendmsg+0x723/0xbe0 [ 1206.369163][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1206.369163][ T74] ___sys_sendmsg+0xee/0x170 [ 1206.369163][ T74] __sys_sendmsg+0xcd/0x170 [ 1206.369163][ T74] do_syscall_64+0xc6/0x1e0 [ 1206.369163][ T74] [ 1206.371534][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1206.371534][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1206.371534][ T74] ipv6_find_idev+0x102/0x170 [ 1206.371534][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1206.371534][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1206.371534][ T74] netlink_rcv_skb+0x130/0x360 [ 1206.371534][ T74] netlink_unicast+0x449/0x710 [ 1206.371534][ T74] netlink_sendmsg+0x723/0xbe0 [ 1206.371534][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1206.371534][ T74] ___sys_sendmsg+0xee/0x170 [ 1206.371534][ T74] __sys_sendmsg+0xcd/0x170 [ 1206.371534][ T74] do_syscall_64+0xc6/0x1e0 [ 1206.371534][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1206.371534][ T74] [ 1206.373502][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1206.373502][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1206.373502][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1206.373502][ T74] ipv6_find_idev+0x102/0x170 [ 1206.373502][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1206.373502][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1206.373502][ T74] netlink_rcv_skb+0x130/0x360 [ 1206.373502][ T74] netlink_unicast+0x449/0x710 [ 1206.373502][ T74] netlink_sendmsg+0x723/0xbe0 [ 1206.373502][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1206.373502][ T74] ___sys_sendmsg+0xee/0x170 [ 1206.373502][ T74] __sys_sendmsg+0xcd/0x170 [ 1206.373502][ T74] do_syscall_64+0xc6/0x1e0 [ 1206.373502][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1206.373502][ T74] [ 1206.375552][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1206.375925][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1206.375925][ T74] dst_init+0x84/0x4a0 [ 1206.375925][ T74] dst_alloc+0x97/0x150 [ 1206.375925][ T74] ip6_dst_alloc+0x23/0x90 [ 1206.375925][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1206.375925][ T74] ip6_pol_route+0x56f/0x840 [ 1206.375925][ T74] fib6_rule_lookup+0x456/0x630 [ 1206.375925][ T74] ip6_route_input+0x59c/0xa50 [ 1206.375925][ T74] ipv6_rcv+0x397/0x810 [ 1206.375925][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1206.375925][ T74] process_backlog+0x101/0x620 [ 1206.375925][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1206.375925][ T74] net_rx_action+0x495/0xbe0 [ 1206.375925][ T74] __do_softirq+0x1b5/0x7f6 [ 1206.375925][ T74] [ 1206.377898][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1206.377898][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1206.377898][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1206.377898][ T74] fib6_nh_init+0xa22/0x1580 [ 1206.377898][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1206.377898][ T74] ip6_route_add+0x1c/0x140 [ 1206.377898][ T74] inet6_rtm_newroute+0x104/0x110 [ 1206.377898][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1206.377898][ T74] netlink_rcv_skb+0x130/0x360 [ 1206.377898][ T74] netlink_unicast+0x449/0x710 [ 1206.377898][ T74] netlink_sendmsg+0x723/0xbe0 [ 1206.377898][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1206.377898][ T74] ___sys_sendmsg+0xee/0x170 [ 1206.377898][ T74] __sys_sendmsg+0xcd/0x170 [ 1206.377898][ T74] do_syscall_64+0xc6/0x1e0 [ 1206.377898][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1206.377898][ T74] [ 1206.379806][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1206.379806][ T74] netdev_get_by_index+0x5e/0x80 [ 1206.379806][ T74] fib6_nh_init+0x3d8/0x1580 [ 1206.379806][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1206.379806][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1206.379806][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1206.379806][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1206.379806][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1206.379806][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1206.379806][ T74] addrconf_dad_begin+0x310/0x670 [ 1206.379806][ T74] addrconf_dad_work+0x10b/0xab0 [ 1206.379806][ T74] process_one_work+0x84d/0x18a0 [ 1206.379806][ T74] worker_thread+0x587/0xd30 [ 1206.379806][ T74] kthread+0x28a/0x350 [ 1206.379806][ T74] ret_from_fork+0x31/0x70 [ 1206.379806][ T74] ret_from_fork_asm+0x1a/0x30 [ 1206.379806][ T74] [ 1206.381775][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1206.381775][ T74] netdev_get_by_index+0x5e/0x80 [ 1206.381775][ T74] fib6_nh_init+0x3d8/0x1580 [ 1206.381775][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1206.381775][ T74] ip6_route_add+0x1c/0x140 [ 1206.381775][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1206.381775][ T74] inet6_addr_add+0x4f8/0xa40 [ 1206.381775][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1206.381775][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1206.381775][ T74] netlink_rcv_skb+0x130/0x360 [ 1206.381775][ T74] netlink_unicast+0x449/0x710 [ 1206.381775][ T74] netlink_sendmsg+0x723/0xbe0 [ 1206.381775][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1206.381775][ T74] ___sys_sendmsg+0xee/0x170 [ 1206.381775][ T74] __sys_sendmsg+0xcd/0x170 [ 1206.381775][ T74] do_syscall_64+0xc6/0x1e0 [ 1206.381775][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1206.381775][ T74] [ 1206.384218][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1206.384218][ T74] netdev_get_by_index+0x5e/0x80 [ 1206.384218][ T74] fib6_nh_init+0x3d8/0x1580 [ 1206.384218][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1206.384218][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1206.384218][ T74] ipv6_add_addr+0x411/0x2000 [ 1206.384218][ T74] inet6_addr_add+0x30e/0xa40 [ 1206.384218][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1206.384218][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1206.384218][ T74] netlink_rcv_skb+0x130/0x360 [ 1206.384218][ T74] netlink_unicast+0x449/0x710 [ 1206.384218][ T74] netlink_sendmsg+0x723/0xbe0 [ 1206.384218][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1206.384218][ T74] ___sys_sendmsg+0xee/0x170 [ 1206.384218][ T74] __sys_sendmsg+0xcd/0x170 [ 1206.384218][ T74] do_syscall_64+0xc6/0x1e0 [ 1206.384218][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1206.384218][ T74] [ 1206.386474][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1206.386474][ T74] netdev_get_by_index+0x5e/0x80 [ 1206.386474][ T74] fib6_nh_init+0x3d8/0x1580 [ 1206.386474][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1206.386474][ T74] ip6_route_add+0x1c/0x140 [ 1206.386474][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1206.386474][ T74] addrconf_add_dev+0xe2/0x170 [ 1206.386474][ T74] inet6_addr_add+0x12f/0xa40 [ 1206.386474][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1206.386474][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1206.386474][ T74] netlink_rcv_skb+0x130/0x360 [ 1206.386474][ T74] netlink_unicast+0x449/0x710 [ 1206.386474][ T74] netlink_sendmsg+0x723/0xbe0 [ 1206.386474][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1206.386474][ T74] ___sys_sendmsg+0xee/0x170 [ 1206.386474][ T74] __sys_sendmsg+0xcd/0x170 [ 1206.386474][ T74] do_syscall_64+0xc6/0x1e0 [ 1206.386474][ T74] [ 1206.388558][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1206.388558][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1206.388558][ T74] ipv6_find_idev+0x102/0x170 [ 1206.388558][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1206.388558][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1206.388558][ T74] netlink_rcv_skb+0x130/0x360 [ 1206.388558][ T74] netlink_unicast+0x449/0x710 [ 1206.388558][ T74] netlink_sendmsg+0x723/0xbe0 [ 1206.388558][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1206.388558][ T74] ___sys_sendmsg+0xee/0x170 [ 1206.388558][ T74] __sys_sendmsg+0xcd/0x170 [ 1206.388558][ T74] do_syscall_64+0xc6/0x1e0 [ 1206.388558][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1206.388558][ T74] [ 1206.390322][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1206.390322][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1206.390322][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1206.390322][ T74] ipv6_find_idev+0x102/0x170 [ 1206.390322][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1206.390322][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1206.390322][ T74] netlink_rcv_skb+0x130/0x360 [ 1206.390322][ T74] netlink_unicast+0x449/0x710 [ 1206.390322][ T74] netlink_sendmsg+0x723/0xbe0 [ 1206.390322][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1206.390322][ T74] ___sys_sendmsg+0xee/0x170 [ 1206.390322][ T74] __sys_sendmsg+0xcd/0x170 [ 1206.390322][ T74] do_syscall_64+0xc6/0x1e0 [ 1206.390322][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1206.390322][ T74] [ 1206.392182][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1206.392436][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1206.392436][ T74] netdev_get_by_index+0x5e/0x80 [ 1206.392436][ T74] fib6_nh_init+0x3d8/0x1580 [ 1206.392436][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1206.392436][ T74] ip6_route_add+0x1c/0x140 [ 1206.392436][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1206.392436][ T74] inet6_addr_add+0x4f8/0xa40 [ 1206.392436][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1206.392436][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1206.392436][ T74] netlink_rcv_skb+0x130/0x360 [ 1206.392436][ T74] netlink_unicast+0x449/0x710 [ 1206.392436][ T74] netlink_sendmsg+0x723/0xbe0 [ 1206.392436][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1206.392436][ T74] ___sys_sendmsg+0xee/0x170 [ 1206.392436][ T74] __sys_sendmsg+0xcd/0x170 [ 1206.392436][ T74] do_syscall_64+0xc6/0x1e0 [ 1206.392436][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1206.392436][ T74] [ 1206.394755][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1206.394755][ T74] netdev_get_by_index+0x5e/0x80 [ 1206.394755][ T74] fib6_nh_init+0x3d8/0x1580 [ 1206.394755][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1206.394755][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1206.394755][ T74] ipv6_add_addr+0x411/0x2000 [ 1206.394755][ T74] inet6_addr_add+0x30e/0xa40 [ 1206.394755][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1206.394755][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1206.394755][ T74] netlink_rcv_skb+0x130/0x360 [ 1206.394755][ T74] netlink_unicast+0x449/0x710 [ 1206.394755][ T74] netlink_sendmsg+0x723/0xbe0 [ 1206.394755][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1206.394755][ T74] ___sys_sendmsg+0xee/0x170 [ 1206.394755][ T74] __sys_sendmsg+0xcd/0x170 [ 1206.394755][ T74] do_syscall_64+0xc6/0x1e0 [ 1206.394755][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1206.394755][ T74] [ 1206.397034][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1206.397034][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1206.397034][ T74] ipv6_find_idev+0x102/0x170 [ 1206.397034][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1206.397034][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1206.397034][ T74] netlink_rcv_skb+0x130/0x360 [ 1206.397034][ T74] netlink_unicast+0x449/0x710 [ 1206.397034][ T74] netlink_sendmsg+0x723/0xbe0 [ 1206.397034][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1206.397034][ T74] ___sys_sendmsg+0xee/0x170 [ 1206.397034][ T74] __sys_sendmsg+0xcd/0x170 [ 1206.397034][ T74] do_syscall_64+0xc6/0x1e0 [ 1206.397034][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1206.397034][ T74] [ 1206.398782][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1206.398782][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1206.398782][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1206.398782][ T74] ipv6_find_idev+0x102/0x170 [ 1206.398782][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1206.398782][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1206.398782][ T74] netlink_rcv_skb+0x130/0x360 [ 1206.398782][ T74] netlink_unicast+0x449/0x710 [ 1206.398782][ T74] netlink_sendmsg+0x723/0xbe0 [ 1206.398782][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1206.398782][ T74] ___sys_sendmsg+0xee/0x170 [ 1206.398782][ T74] __sys_sendmsg+0xcd/0x170 [ 1206.398782][ T74] do_syscall_64+0xc6/0x1e0 [ 1206.398782][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1206.398782][ T74] [ 1216.608897][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1216.609315][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1216.609315][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1216.609315][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1216.609315][ T74] fib6_nh_init+0xa22/0x1580 [ 1216.609315][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1216.609315][ T74] ip6_route_add+0x1c/0x140 [ 1216.609315][ T74] inet6_rtm_newroute+0x104/0x110 [ 1216.609315][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1216.609315][ T74] netlink_rcv_skb+0x130/0x360 [ 1216.609315][ T74] netlink_unicast+0x449/0x710 [ 1216.609315][ T74] netlink_sendmsg+0x723/0xbe0 [ 1216.609315][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1216.609315][ T74] ___sys_sendmsg+0xee/0x170 [ 1216.609315][ T74] __sys_sendmsg+0xcd/0x170 [ 1216.609315][ T74] do_syscall_64+0xc6/0x1e0 [ 1216.609315][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1216.609315][ T74] [ 1216.611312][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1216.611312][ T74] netdev_get_by_index+0x5e/0x80 [ 1216.611312][ T74] fib6_nh_init+0x3d8/0x1580 [ 1216.611312][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1216.611312][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1216.611312][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1216.611312][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1216.611312][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1216.611312][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1216.611312][ T74] addrconf_dad_begin+0x310/0x670 [ 1216.611312][ T74] addrconf_dad_work+0x10b/0xab0 [ 1216.611312][ T74] process_one_work+0x84d/0x18a0 [ 1216.611312][ T74] worker_thread+0x587/0xd30 [ 1216.611312][ T74] kthread+0x28a/0x350 [ 1216.611312][ T74] ret_from_fork+0x31/0x70 [ 1216.611312][ T74] ret_from_fork_asm+0x1a/0x30 [ 1216.611312][ T74] [ 1216.613330][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1216.613330][ T74] netdev_get_by_index+0x5e/0x80 [ 1216.613330][ T74] fib6_nh_init+0x3d8/0x1580 [ 1216.613330][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1216.613330][ T74] ip6_route_add+0x1c/0x140 [ 1216.613330][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1216.613330][ T74] inet6_addr_add+0x4f8/0xa40 [ 1216.613330][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1216.613330][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1216.613330][ T74] netlink_rcv_skb+0x130/0x360 [ 1216.613330][ T74] netlink_unicast+0x449/0x710 [ 1216.613330][ T74] netlink_sendmsg+0x723/0xbe0 [ 1216.613330][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1216.613330][ T74] ___sys_sendmsg+0xee/0x170 [ 1216.613330][ T74] __sys_sendmsg+0xcd/0x170 [ 1216.613330][ T74] do_syscall_64+0xc6/0x1e0 [ 1216.613330][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1216.613330][ T74] [ 1216.615376][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1216.615376][ T74] netdev_get_by_index+0x5e/0x80 [ 1216.615376][ T74] fib6_nh_init+0x3d8/0x1580 [ 1216.615376][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1216.615376][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1216.615376][ T74] ipv6_add_addr+0x411/0x2000 [ 1216.615376][ T74] inet6_addr_add+0x30e/0xa40 [ 1216.615376][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1216.615376][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1216.615376][ T74] netlink_rcv_skb+0x130/0x360 [ 1216.615376][ T74] netlink_unicast+0x449/0x710 [ 1216.615376][ T74] netlink_sendmsg+0x723/0xbe0 [ 1216.615376][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1216.615376][ T74] ___sys_sendmsg+0xee/0x170 [ 1216.615376][ T74] __sys_sendmsg+0xcd/0x170 [ 1216.615376][ T74] do_syscall_64+0xc6/0x1e0 [ 1216.615376][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1216.615376][ T74] [ 1216.617434][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1216.617434][ T74] netdev_get_by_index+0x5e/0x80 [ 1216.617434][ T74] fib6_nh_init+0x3d8/0x1580 [ 1216.617434][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1216.617434][ T74] ip6_route_add+0x1c/0x140 [ 1216.617434][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1216.617434][ T74] addrconf_add_dev+0xe2/0x170 [ 1216.617434][ T74] inet6_addr_add+0x12f/0xa40 [ 1216.617434][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1216.617434][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1216.617434][ T74] netlink_rcv_skb+0x130/0x360 [ 1216.617434][ T74] netlink_unicast+0x449/0x710 [ 1216.617434][ T74] netlink_sendmsg+0x723/0xbe0 [ 1216.617434][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1216.617434][ T74] ___sys_sendmsg+0xee/0x170 [ 1216.617434][ T74] __sys_sendmsg+0xcd/0x170 [ 1216.617434][ T74] do_syscall_64+0xc6/0x1e0 [ 1216.617434][ T74] [ 1216.619480][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1216.619480][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1216.619480][ T74] ipv6_find_idev+0x102/0x170 [ 1216.619480][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1216.619480][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1216.619480][ T74] netlink_rcv_skb+0x130/0x360 [ 1216.619480][ T74] netlink_unicast+0x449/0x710 [ 1216.619480][ T74] netlink_sendmsg+0x723/0xbe0 [ 1216.619480][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1216.619480][ T74] ___sys_sendmsg+0xee/0x170 [ 1216.619480][ T74] __sys_sendmsg+0xcd/0x170 [ 1216.619480][ T74] do_syscall_64+0xc6/0x1e0 [ 1216.619480][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1216.619480][ T74] [ 1216.621062][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1216.621062][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1216.621062][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1216.621062][ T74] ipv6_find_idev+0x102/0x170 [ 1216.621062][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1216.621062][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1216.621062][ T74] netlink_rcv_skb+0x130/0x360 [ 1216.621062][ T74] netlink_unicast+0x449/0x710 [ 1216.621062][ T74] netlink_sendmsg+0x723/0xbe0 [ 1216.621062][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1216.621062][ T74] ___sys_sendmsg+0xee/0x170 [ 1216.621062][ T74] __sys_sendmsg+0xcd/0x170 [ 1216.621062][ T74] do_syscall_64+0xc6/0x1e0 [ 1216.621062][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1216.621062][ T74] [ 1216.622960][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1216.623266][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1216.623266][ T74] dst_init+0x84/0x4a0 [ 1216.623266][ T74] dst_alloc+0x97/0x150 [ 1216.623266][ T74] ip6_dst_alloc+0x23/0x90 [ 1216.623266][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1216.623266][ T74] ip6_pol_route+0x56f/0x840 [ 1216.623266][ T74] fib6_rule_lookup+0x456/0x630 [ 1216.623266][ T74] ip6_route_input+0x59c/0xa50 [ 1216.623266][ T74] ipv6_rcv+0x397/0x810 [ 1216.623266][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1216.623266][ T74] process_backlog+0x101/0x620 [ 1216.623266][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1216.623266][ T74] net_rx_action+0x495/0xbe0 [ 1216.623266][ T74] __do_softirq+0x1b5/0x7f6 [ 1216.623266][ T74] [ 1216.625197][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1216.625197][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1216.625197][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1216.625197][ T74] fib6_nh_init+0xa22/0x1580 [ 1216.625197][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1216.625197][ T74] ip6_route_add+0x1c/0x140 [ 1216.625197][ T74] inet6_rtm_newroute+0x104/0x110 [ 1216.625197][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1216.625197][ T74] netlink_rcv_skb+0x130/0x360 [ 1216.625197][ T74] netlink_unicast+0x449/0x710 [ 1216.625197][ T74] netlink_sendmsg+0x723/0xbe0 [ 1216.625197][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1216.625197][ T74] ___sys_sendmsg+0xee/0x170 [ 1216.625197][ T74] __sys_sendmsg+0xcd/0x170 [ 1216.625197][ T74] do_syscall_64+0xc6/0x1e0 [ 1216.625197][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1216.625197][ T74] [ 1216.627247][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1216.627247][ T74] netdev_get_by_index+0x5e/0x80 [ 1216.627247][ T74] fib6_nh_init+0x3d8/0x1580 [ 1216.627247][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1216.627247][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1216.627247][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1216.627247][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1216.627247][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1216.627247][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1216.627247][ T74] addrconf_dad_begin+0x310/0x670 [ 1216.627247][ T74] addrconf_dad_work+0x10b/0xab0 [ 1216.627247][ T74] process_one_work+0x84d/0x18a0 [ 1216.627247][ T74] worker_thread+0x587/0xd30 [ 1216.627247][ T74] kthread+0x28a/0x350 [ 1216.627247][ T74] ret_from_fork+0x31/0x70 [ 1216.627247][ T74] ret_from_fork_asm+0x1a/0x30 [ 1216.627247][ T74] [ 1216.629176][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1216.629176][ T74] netdev_get_by_index+0x5e/0x80 [ 1216.629176][ T74] fib6_nh_init+0x3d8/0x1580 [ 1216.629176][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1216.629176][ T74] ip6_route_add+0x1c/0x140 [ 1216.629176][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1216.629176][ T74] inet6_addr_add+0x4f8/0xa40 [ 1216.629176][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1216.629176][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1216.629176][ T74] netlink_rcv_skb+0x130/0x360 [ 1216.629176][ T74] netlink_unicast+0x449/0x710 [ 1216.629176][ T74] netlink_sendmsg+0x723/0xbe0 [ 1216.629176][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1216.629176][ T74] ___sys_sendmsg+0xee/0x170 [ 1216.629176][ T74] __sys_sendmsg+0xcd/0x170 [ 1216.629176][ T74] do_syscall_64+0xc6/0x1e0 [ 1216.629176][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1216.629176][ T74] [ 1216.631339][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1216.631339][ T74] netdev_get_by_index+0x5e/0x80 [ 1216.631339][ T74] fib6_nh_init+0x3d8/0x1580 [ 1216.631339][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1216.631339][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1216.631339][ T74] ipv6_add_addr+0x411/0x2000 [ 1216.631339][ T74] inet6_addr_add+0x30e/0xa40 [ 1216.631339][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1216.631339][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1216.631339][ T74] netlink_rcv_skb+0x130/0x360 [ 1216.631339][ T74] netlink_unicast+0x449/0x710 [ 1216.631339][ T74] netlink_sendmsg+0x723/0xbe0 [ 1216.631339][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1216.631339][ T74] ___sys_sendmsg+0xee/0x170 [ 1216.631339][ T74] __sys_sendmsg+0xcd/0x170 [ 1216.631339][ T74] do_syscall_64+0xc6/0x1e0 [ 1216.631339][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1216.631339][ T74] [ 1216.633594][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1216.633594][ T74] netdev_get_by_index+0x5e/0x80 [ 1216.633594][ T74] fib6_nh_init+0x3d8/0x1580 [ 1216.633594][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1216.633594][ T74] ip6_route_add+0x1c/0x140 [ 1216.633594][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1216.633594][ T74] addrconf_add_dev+0xe2/0x170 [ 1216.633594][ T74] inet6_addr_add+0x12f/0xa40 [ 1216.633594][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1216.633594][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1216.633594][ T74] netlink_rcv_skb+0x130/0x360 [ 1216.633594][ T74] netlink_unicast+0x449/0x710 [ 1216.633594][ T74] netlink_sendmsg+0x723/0xbe0 [ 1216.633594][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1216.633594][ T74] ___sys_sendmsg+0xee/0x170 [ 1216.633594][ T74] __sys_sendmsg+0xcd/0x170 [ 1216.633594][ T74] do_syscall_64+0xc6/0x1e0 [ 1216.633594][ T74] [ 1216.635674][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1216.635674][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1216.635674][ T74] ipv6_find_idev+0x102/0x170 [ 1216.635674][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1216.635674][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1216.635674][ T74] netlink_rcv_skb+0x130/0x360 [ 1216.635674][ T74] netlink_unicast+0x449/0x710 [ 1216.635674][ T74] netlink_sendmsg+0x723/0xbe0 [ 1216.635674][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1216.635674][ T74] ___sys_sendmsg+0xee/0x170 [ 1216.635674][ T74] __sys_sendmsg+0xcd/0x170 [ 1216.635674][ T74] do_syscall_64+0xc6/0x1e0 [ 1216.635674][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1216.635674][ T74] [ 1216.637444][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1216.637444][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1216.637444][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1216.637444][ T74] ipv6_find_idev+0x102/0x170 [ 1216.637444][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1216.637444][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1216.637444][ T74] netlink_rcv_skb+0x130/0x360 [ 1216.637444][ T74] netlink_unicast+0x449/0x710 [ 1216.637444][ T74] netlink_sendmsg+0x723/0xbe0 [ 1216.637444][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1216.637444][ T74] ___sys_sendmsg+0xee/0x170 [ 1216.637444][ T74] __sys_sendmsg+0xcd/0x170 [ 1216.637444][ T74] do_syscall_64+0xc6/0x1e0 [ 1216.637444][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1216.637444][ T74] [ 1216.639523][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1216.639768][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1216.639768][ T74] netdev_get_by_index+0x5e/0x80 [ 1216.639768][ T74] fib6_nh_init+0x3d8/0x1580 [ 1216.639768][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1216.639768][ T74] ip6_route_add+0x1c/0x140 [ 1216.639768][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1216.639768][ T74] inet6_addr_add+0x4f8/0xa40 [ 1216.639768][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1216.639768][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1216.639768][ T74] netlink_rcv_skb+0x130/0x360 [ 1216.639768][ T74] netlink_unicast+0x449/0x710 [ 1216.639768][ T74] netlink_sendmsg+0x723/0xbe0 [ 1216.639768][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1216.639768][ T74] ___sys_sendmsg+0xee/0x170 [ 1216.639768][ T74] __sys_sendmsg+0xcd/0x170 [ 1216.639768][ T74] do_syscall_64+0xc6/0x1e0 [ 1216.639768][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1216.639768][ T74] [ 1216.642101][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1216.642101][ T74] netdev_get_by_index+0x5e/0x80 [ 1216.642101][ T74] fib6_nh_init+0x3d8/0x1580 [ 1216.642101][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1216.642101][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1216.642101][ T74] ipv6_add_addr+0x411/0x2000 [ 1216.642101][ T74] inet6_addr_add+0x30e/0xa40 [ 1216.642101][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1216.642101][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1216.642101][ T74] netlink_rcv_skb+0x130/0x360 [ 1216.642101][ T74] netlink_unicast+0x449/0x710 [ 1216.642101][ T74] netlink_sendmsg+0x723/0xbe0 [ 1216.642101][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1216.642101][ T74] ___sys_sendmsg+0xee/0x170 [ 1216.642101][ T74] __sys_sendmsg+0xcd/0x170 [ 1216.642101][ T74] do_syscall_64+0xc6/0x1e0 [ 1216.642101][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1216.642101][ T74] [ 1216.644224][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1216.644224][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1216.644224][ T74] ipv6_find_idev+0x102/0x170 [ 1216.644224][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1216.644224][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1216.644224][ T74] netlink_rcv_skb+0x130/0x360 [ 1216.644224][ T74] netlink_unicast+0x449/0x710 [ 1216.644224][ T74] netlink_sendmsg+0x723/0xbe0 [ 1216.644224][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1216.644224][ T74] ___sys_sendmsg+0xee/0x170 [ 1216.644224][ T74] __sys_sendmsg+0xcd/0x170 [ 1216.644224][ T74] do_syscall_64+0xc6/0x1e0 [ 1216.644224][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1216.644224][ T74] [ 1216.646115][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1216.646115][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1216.646115][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1216.646115][ T74] ipv6_find_idev+0x102/0x170 [ 1216.646115][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1216.646115][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1216.646115][ T74] netlink_rcv_skb+0x130/0x360 [ 1216.646115][ T74] netlink_unicast+0x449/0x710 [ 1216.646115][ T74] netlink_sendmsg+0x723/0xbe0 [ 1216.646115][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1216.646115][ T74] ___sys_sendmsg+0xee/0x170 [ 1216.646115][ T74] __sys_sendmsg+0xcd/0x170 [ 1216.646115][ T74] do_syscall_64+0xc6/0x1e0 [ 1216.646115][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1216.646115][ T74] [ 1226.767976][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1226.768473][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1226.768473][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1226.768473][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1226.768473][ T74] fib6_nh_init+0xa22/0x1580 [ 1226.768473][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1226.768473][ T74] ip6_route_add+0x1c/0x140 [ 1226.768473][ T74] inet6_rtm_newroute+0x104/0x110 [ 1226.768473][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1226.768473][ T74] netlink_rcv_skb+0x130/0x360 [ 1226.768473][ T74] netlink_unicast+0x449/0x710 [ 1226.768473][ T74] netlink_sendmsg+0x723/0xbe0 [ 1226.768473][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1226.768473][ T74] ___sys_sendmsg+0xee/0x170 [ 1226.768473][ T74] __sys_sendmsg+0xcd/0x170 [ 1226.768473][ T74] do_syscall_64+0xc6/0x1e0 [ 1226.768473][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1226.768473][ T74] [ 1226.770690][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1226.770690][ T74] netdev_get_by_index+0x5e/0x80 [ 1226.770690][ T74] fib6_nh_init+0x3d8/0x1580 [ 1226.770690][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1226.770690][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1226.770690][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1226.770690][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1226.770690][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1226.770690][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1226.770690][ T74] addrconf_dad_begin+0x310/0x670 [ 1226.770690][ T74] addrconf_dad_work+0x10b/0xab0 [ 1226.770690][ T74] process_one_work+0x84d/0x18a0 [ 1226.770690][ T74] worker_thread+0x587/0xd30 [ 1226.770690][ T74] kthread+0x28a/0x350 [ 1226.770690][ T74] ret_from_fork+0x31/0x70 [ 1226.770690][ T74] ret_from_fork_asm+0x1a/0x30 [ 1226.770690][ T74] [ 1226.772948][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1226.772948][ T74] netdev_get_by_index+0x5e/0x80 [ 1226.772948][ T74] fib6_nh_init+0x3d8/0x1580 [ 1226.772948][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1226.772948][ T74] ip6_route_add+0x1c/0x140 [ 1226.772948][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1226.772948][ T74] inet6_addr_add+0x4f8/0xa40 [ 1226.772948][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1226.772948][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1226.772948][ T74] netlink_rcv_skb+0x130/0x360 [ 1226.772948][ T74] netlink_unicast+0x449/0x710 [ 1226.772948][ T74] netlink_sendmsg+0x723/0xbe0 [ 1226.772948][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1226.772948][ T74] ___sys_sendmsg+0xee/0x170 [ 1226.772948][ T74] __sys_sendmsg+0xcd/0x170 [ 1226.772948][ T74] do_syscall_64+0xc6/0x1e0 [ 1226.772948][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1226.772948][ T74] [ 1226.775396][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1226.775396][ T74] netdev_get_by_index+0x5e/0x80 [ 1226.775396][ T74] fib6_nh_init+0x3d8/0x1580 [ 1226.775396][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1226.775396][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1226.775396][ T74] ipv6_add_addr+0x411/0x2000 [ 1226.775396][ T74] inet6_addr_add+0x30e/0xa40 [ 1226.775396][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1226.775396][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1226.775396][ T74] netlink_rcv_skb+0x130/0x360 [ 1226.775396][ T74] netlink_unicast+0x449/0x710 [ 1226.775396][ T74] netlink_sendmsg+0x723/0xbe0 [ 1226.775396][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1226.775396][ T74] ___sys_sendmsg+0xee/0x170 [ 1226.775396][ T74] __sys_sendmsg+0xcd/0x170 [ 1226.775396][ T74] do_syscall_64+0xc6/0x1e0 [ 1226.775396][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1226.775396][ T74] [ 1226.777863][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1226.777863][ T74] netdev_get_by_index+0x5e/0x80 [ 1226.777863][ T74] fib6_nh_init+0x3d8/0x1580 [ 1226.777863][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1226.777863][ T74] ip6_route_add+0x1c/0x140 [ 1226.777863][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1226.777863][ T74] addrconf_add_dev+0xe2/0x170 [ 1226.777863][ T74] inet6_addr_add+0x12f/0xa40 [ 1226.777863][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1226.777863][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1226.777863][ T74] netlink_rcv_skb+0x130/0x360 [ 1226.777863][ T74] netlink_unicast+0x449/0x710 [ 1226.777863][ T74] netlink_sendmsg+0x723/0xbe0 [ 1226.777863][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1226.777863][ T74] ___sys_sendmsg+0xee/0x170 [ 1226.777863][ T74] __sys_sendmsg+0xcd/0x170 [ 1226.777863][ T74] do_syscall_64+0xc6/0x1e0 [ 1226.777863][ T74] [ 1226.780474][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1226.780474][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1226.780474][ T74] ipv6_find_idev+0x102/0x170 [ 1226.780474][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1226.780474][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1226.780474][ T74] netlink_rcv_skb+0x130/0x360 [ 1226.780474][ T74] netlink_unicast+0x449/0x710 [ 1226.780474][ T74] netlink_sendmsg+0x723/0xbe0 [ 1226.780474][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1226.780474][ T74] ___sys_sendmsg+0xee/0x170 [ 1226.780474][ T74] __sys_sendmsg+0xcd/0x170 [ 1226.780474][ T74] do_syscall_64+0xc6/0x1e0 [ 1226.780474][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1226.780474][ T74] [ 1226.782494][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1226.782494][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1226.782494][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1226.782494][ T74] ipv6_find_idev+0x102/0x170 [ 1226.782494][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1226.782494][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1226.782494][ T74] netlink_rcv_skb+0x130/0x360 [ 1226.782494][ T74] netlink_unicast+0x449/0x710 [ 1226.782494][ T74] netlink_sendmsg+0x723/0xbe0 [ 1226.782494][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1226.782494][ T74] ___sys_sendmsg+0xee/0x170 [ 1226.782494][ T74] __sys_sendmsg+0xcd/0x170 [ 1226.782494][ T74] do_syscall_64+0xc6/0x1e0 [ 1226.782494][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1226.782494][ T74] [ 1226.784770][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1226.785183][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1226.785183][ T74] dst_init+0x84/0x4a0 [ 1226.785183][ T74] dst_alloc+0x97/0x150 [ 1226.785183][ T74] ip6_dst_alloc+0x23/0x90 [ 1226.785183][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1226.785183][ T74] ip6_pol_route+0x56f/0x840 [ 1226.785183][ T74] fib6_rule_lookup+0x456/0x630 [ 1226.785183][ T74] ip6_route_input+0x59c/0xa50 [ 1226.785183][ T74] ipv6_rcv+0x397/0x810 [ 1226.785183][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1226.785183][ T74] process_backlog+0x101/0x620 [ 1226.785183][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1226.785183][ T74] net_rx_action+0x495/0xbe0 [ 1226.785183][ T74] __do_softirq+0x1b5/0x7f6 [ 1226.785183][ T74] [ 1226.787081][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1226.787081][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1226.787081][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1226.787081][ T74] fib6_nh_init+0xa22/0x1580 [ 1226.787081][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1226.787081][ T74] ip6_route_add+0x1c/0x140 [ 1226.787081][ T74] inet6_rtm_newroute+0x104/0x110 [ 1226.787081][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1226.787081][ T74] netlink_rcv_skb+0x130/0x360 [ 1226.787081][ T74] netlink_unicast+0x449/0x710 [ 1226.787081][ T74] netlink_sendmsg+0x723/0xbe0 [ 1226.787081][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1226.787081][ T74] ___sys_sendmsg+0xee/0x170 [ 1226.787081][ T74] __sys_sendmsg+0xcd/0x170 [ 1226.787081][ T74] do_syscall_64+0xc6/0x1e0 [ 1226.787081][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1226.787081][ T74] [ 1226.789219][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1226.789219][ T74] netdev_get_by_index+0x5e/0x80 [ 1226.789219][ T74] fib6_nh_init+0x3d8/0x1580 [ 1226.789219][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1226.789219][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1226.789219][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1226.789219][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1226.789219][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1226.789219][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1226.789219][ T74] addrconf_dad_begin+0x310/0x670 [ 1226.789219][ T74] addrconf_dad_work+0x10b/0xab0 [ 1226.789219][ T74] process_one_work+0x84d/0x18a0 [ 1226.789219][ T74] worker_thread+0x587/0xd30 [ 1226.789219][ T74] kthread+0x28a/0x350 [ 1226.789219][ T74] ret_from_fork+0x31/0x70 [ 1226.789219][ T74] ret_from_fork_asm+0x1a/0x30 [ 1226.789219][ T74] [ 1226.791500][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1226.791500][ T74] netdev_get_by_index+0x5e/0x80 [ 1226.791500][ T74] fib6_nh_init+0x3d8/0x1580 [ 1226.791500][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1226.791500][ T74] ip6_route_add+0x1c/0x140 [ 1226.791500][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1226.791500][ T74] inet6_addr_add+0x4f8/0xa40 [ 1226.791500][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1226.791500][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1226.791500][ T74] netlink_rcv_skb+0x130/0x360 [ 1226.791500][ T74] netlink_unicast+0x449/0x710 [ 1226.791500][ T74] netlink_sendmsg+0x723/0xbe0 [ 1226.791500][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1226.791500][ T74] ___sys_sendmsg+0xee/0x170 [ 1226.791500][ T74] __sys_sendmsg+0xcd/0x170 [ 1226.791500][ T74] do_syscall_64+0xc6/0x1e0 [ 1226.791500][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1226.791500][ T74] [ 1226.794037][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1226.794037][ T74] netdev_get_by_index+0x5e/0x80 [ 1226.794037][ T74] fib6_nh_init+0x3d8/0x1580 [ 1226.794037][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1226.794037][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1226.794037][ T74] ipv6_add_addr+0x411/0x2000 [ 1226.794037][ T74] inet6_addr_add+0x30e/0xa40 [ 1226.794037][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1226.794037][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1226.794037][ T74] netlink_rcv_skb+0x130/0x360 [ 1226.794037][ T74] netlink_unicast+0x449/0x710 [ 1226.794037][ T74] netlink_sendmsg+0x723/0xbe0 [ 1226.794037][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1226.794037][ T74] ___sys_sendmsg+0xee/0x170 [ 1226.794037][ T74] __sys_sendmsg+0xcd/0x170 [ 1226.794037][ T74] do_syscall_64+0xc6/0x1e0 [ 1226.794037][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1226.794037][ T74] [ 1226.796629][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1226.796629][ T74] netdev_get_by_index+0x5e/0x80 [ 1226.796629][ T74] fib6_nh_init+0x3d8/0x1580 [ 1226.796629][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1226.796629][ T74] ip6_route_add+0x1c/0x140 [ 1226.796629][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1226.796629][ T74] addrconf_add_dev+0xe2/0x170 [ 1226.796629][ T74] inet6_addr_add+0x12f/0xa40 [ 1226.796629][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1226.796629][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1226.796629][ T74] netlink_rcv_skb+0x130/0x360 [ 1226.796629][ T74] netlink_unicast+0x449/0x710 [ 1226.796629][ T74] netlink_sendmsg+0x723/0xbe0 [ 1226.796629][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1226.796629][ T74] ___sys_sendmsg+0xee/0x170 [ 1226.796629][ T74] __sys_sendmsg+0xcd/0x170 [ 1226.796629][ T74] do_syscall_64+0xc6/0x1e0 [ 1226.796629][ T74] [ 1226.798968][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1226.798968][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1226.798968][ T74] ipv6_find_idev+0x102/0x170 [ 1226.798968][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1226.798968][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1226.798968][ T74] netlink_rcv_skb+0x130/0x360 [ 1226.798968][ T74] netlink_unicast+0x449/0x710 [ 1226.798968][ T74] netlink_sendmsg+0x723/0xbe0 [ 1226.798968][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1226.798968][ T74] ___sys_sendmsg+0xee/0x170 [ 1226.798968][ T74] __sys_sendmsg+0xcd/0x170 [ 1226.798968][ T74] do_syscall_64+0xc6/0x1e0 [ 1226.798968][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1226.798968][ T74] [ 1226.800930][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1226.800930][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1226.800930][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1226.800930][ T74] ipv6_find_idev+0x102/0x170 [ 1226.800930][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1226.800930][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1226.800930][ T74] netlink_rcv_skb+0x130/0x360 [ 1226.800930][ T74] netlink_unicast+0x449/0x710 [ 1226.800930][ T74] netlink_sendmsg+0x723/0xbe0 [ 1226.800930][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1226.800930][ T74] ___sys_sendmsg+0xee/0x170 [ 1226.800930][ T74] __sys_sendmsg+0xcd/0x170 [ 1226.800930][ T74] do_syscall_64+0xc6/0x1e0 [ 1226.800930][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1226.800930][ T74] [ 1226.803293][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1226.803571][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1226.803571][ T74] netdev_get_by_index+0x5e/0x80 [ 1226.803571][ T74] fib6_nh_init+0x3d8/0x1580 [ 1226.803571][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1226.803571][ T74] ip6_route_add+0x1c/0x140 [ 1226.803571][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1226.803571][ T74] inet6_addr_add+0x4f8/0xa40 [ 1226.803571][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1226.803571][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1226.803571][ T74] netlink_rcv_skb+0x130/0x360 [ 1226.803571][ T74] netlink_unicast+0x449/0x710 [ 1226.803571][ T74] netlink_sendmsg+0x723/0xbe0 [ 1226.803571][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1226.803571][ T74] ___sys_sendmsg+0xee/0x170 [ 1226.803571][ T74] __sys_sendmsg+0xcd/0x170 [ 1226.803571][ T74] do_syscall_64+0xc6/0x1e0 [ 1226.803571][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1226.803571][ T74] [ 1226.806053][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1226.806053][ T74] netdev_get_by_index+0x5e/0x80 [ 1226.806053][ T74] fib6_nh_init+0x3d8/0x1580 [ 1226.806053][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1226.806053][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1226.806053][ T74] ipv6_add_addr+0x411/0x2000 [ 1226.806053][ T74] inet6_addr_add+0x30e/0xa40 [ 1226.806053][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1226.806053][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1226.806053][ T74] netlink_rcv_skb+0x130/0x360 [ 1226.806053][ T74] netlink_unicast+0x449/0x710 [ 1226.806053][ T74] netlink_sendmsg+0x723/0xbe0 [ 1226.806053][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1226.806053][ T74] ___sys_sendmsg+0xee/0x170 [ 1226.806053][ T74] __sys_sendmsg+0xcd/0x170 [ 1226.806053][ T74] do_syscall_64+0xc6/0x1e0 [ 1226.806053][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1226.806053][ T74] [ 1226.808850][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1226.808850][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1226.808850][ T74] ipv6_find_idev+0x102/0x170 [ 1226.808850][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1226.808850][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1226.808850][ T74] netlink_rcv_skb+0x130/0x360 [ 1226.808850][ T74] netlink_unicast+0x449/0x710 [ 1226.808850][ T74] netlink_sendmsg+0x723/0xbe0 [ 1226.808850][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1226.808850][ T74] ___sys_sendmsg+0xee/0x170 [ 1226.808850][ T74] __sys_sendmsg+0xcd/0x170 [ 1226.808850][ T74] do_syscall_64+0xc6/0x1e0 [ 1226.808850][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1226.808850][ T74] [ 1226.810875][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1226.810875][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1226.810875][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1226.810875][ T74] ipv6_find_idev+0x102/0x170 [ 1226.810875][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1226.810875][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1226.810875][ T74] netlink_rcv_skb+0x130/0x360 [ 1226.810875][ T74] netlink_unicast+0x449/0x710 [ 1226.810875][ T74] netlink_sendmsg+0x723/0xbe0 [ 1226.810875][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1226.810875][ T74] ___sys_sendmsg+0xee/0x170 [ 1226.810875][ T74] __sys_sendmsg+0xcd/0x170 [ 1226.810875][ T74] do_syscall_64+0xc6/0x1e0 [ 1226.810875][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1226.810875][ T74] [ 1236.984868][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1236.985332][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1236.985332][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1236.985332][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1236.985332][ T74] fib6_nh_init+0xa22/0x1580 [ 1236.985332][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1236.985332][ T74] ip6_route_add+0x1c/0x140 [ 1236.985332][ T74] inet6_rtm_newroute+0x104/0x110 [ 1236.985332][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1236.985332][ T74] netlink_rcv_skb+0x130/0x360 [ 1236.985332][ T74] netlink_unicast+0x449/0x710 [ 1236.985332][ T74] netlink_sendmsg+0x723/0xbe0 [ 1236.985332][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1236.985332][ T74] ___sys_sendmsg+0xee/0x170 [ 1236.985332][ T74] __sys_sendmsg+0xcd/0x170 [ 1236.985332][ T74] do_syscall_64+0xc6/0x1e0 [ 1236.985332][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1236.985332][ T74] [ 1236.987607][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1236.987607][ T74] netdev_get_by_index+0x5e/0x80 [ 1236.987607][ T74] fib6_nh_init+0x3d8/0x1580 [ 1236.987607][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1236.987607][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1236.987607][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1236.987607][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1236.987607][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1236.987607][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1236.987607][ T74] addrconf_dad_begin+0x310/0x670 [ 1236.987607][ T74] addrconf_dad_work+0x10b/0xab0 [ 1236.987607][ T74] process_one_work+0x84d/0x18a0 [ 1236.987607][ T74] worker_thread+0x587/0xd30 [ 1236.987607][ T74] kthread+0x28a/0x350 [ 1236.987607][ T74] ret_from_fork+0x31/0x70 [ 1236.987607][ T74] ret_from_fork_asm+0x1a/0x30 [ 1236.987607][ T74] [ 1236.989864][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1236.989864][ T74] netdev_get_by_index+0x5e/0x80 [ 1236.989864][ T74] fib6_nh_init+0x3d8/0x1580 [ 1236.989864][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1236.989864][ T74] ip6_route_add+0x1c/0x140 [ 1236.989864][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1236.989864][ T74] inet6_addr_add+0x4f8/0xa40 [ 1236.989864][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1236.989864][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1236.989864][ T74] netlink_rcv_skb+0x130/0x360 [ 1236.989864][ T74] netlink_unicast+0x449/0x710 [ 1236.989864][ T74] netlink_sendmsg+0x723/0xbe0 [ 1236.989864][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1236.989864][ T74] ___sys_sendmsg+0xee/0x170 [ 1236.989864][ T74] __sys_sendmsg+0xcd/0x170 [ 1236.989864][ T74] do_syscall_64+0xc6/0x1e0 [ 1236.989864][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1236.989864][ T74] [ 1236.992170][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1236.992170][ T74] netdev_get_by_index+0x5e/0x80 [ 1236.992170][ T74] fib6_nh_init+0x3d8/0x1580 [ 1236.992170][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1236.992170][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1236.992170][ T74] ipv6_add_addr+0x411/0x2000 [ 1236.992170][ T74] inet6_addr_add+0x30e/0xa40 [ 1236.992170][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1236.992170][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1236.992170][ T74] netlink_rcv_skb+0x130/0x360 [ 1236.992170][ T74] netlink_unicast+0x449/0x710 [ 1236.992170][ T74] netlink_sendmsg+0x723/0xbe0 [ 1236.992170][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1236.992170][ T74] ___sys_sendmsg+0xee/0x170 [ 1236.992170][ T74] __sys_sendmsg+0xcd/0x170 [ 1236.992170][ T74] do_syscall_64+0xc6/0x1e0 [ 1236.992170][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1236.992170][ T74] [ 1236.994602][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1236.994602][ T74] netdev_get_by_index+0x5e/0x80 [ 1236.994602][ T74] fib6_nh_init+0x3d8/0x1580 [ 1236.994602][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1236.994602][ T74] ip6_route_add+0x1c/0x140 [ 1236.994602][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1236.994602][ T74] addrconf_add_dev+0xe2/0x170 [ 1236.994602][ T74] inet6_addr_add+0x12f/0xa40 [ 1236.994602][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1236.994602][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1236.994602][ T74] netlink_rcv_skb+0x130/0x360 [ 1236.994602][ T74] netlink_unicast+0x449/0x710 [ 1236.994602][ T74] netlink_sendmsg+0x723/0xbe0 [ 1236.994602][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1236.994602][ T74] ___sys_sendmsg+0xee/0x170 [ 1236.994602][ T74] __sys_sendmsg+0xcd/0x170 [ 1236.994602][ T74] do_syscall_64+0xc6/0x1e0 [ 1236.994602][ T74] [ 1236.996914][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1236.996914][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1236.996914][ T74] ipv6_find_idev+0x102/0x170 [ 1236.996914][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1236.996914][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1236.996914][ T74] netlink_rcv_skb+0x130/0x360 [ 1236.996914][ T74] netlink_unicast+0x449/0x710 [ 1236.996914][ T74] netlink_sendmsg+0x723/0xbe0 [ 1236.996914][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1236.996914][ T74] ___sys_sendmsg+0xee/0x170 [ 1236.996914][ T74] __sys_sendmsg+0xcd/0x170 [ 1236.996914][ T74] do_syscall_64+0xc6/0x1e0 [ 1236.996914][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1236.996914][ T74] [ 1236.998709][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1236.998709][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1236.998709][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1236.998709][ T74] ipv6_find_idev+0x102/0x170 [ 1236.998709][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1236.998709][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1236.998709][ T74] netlink_rcv_skb+0x130/0x360 [ 1236.998709][ T74] netlink_unicast+0x449/0x710 [ 1236.998709][ T74] netlink_sendmsg+0x723/0xbe0 [ 1236.998709][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1236.998709][ T74] ___sys_sendmsg+0xee/0x170 [ 1236.998709][ T74] __sys_sendmsg+0xcd/0x170 [ 1236.998709][ T74] do_syscall_64+0xc6/0x1e0 [ 1236.998709][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1236.998709][ T74] [ 1237.000735][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1237.001557][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1237.001557][ T74] dst_init+0x84/0x4a0 [ 1237.001557][ T74] dst_alloc+0x97/0x150 [ 1237.001557][ T74] ip6_dst_alloc+0x23/0x90 [ 1237.001557][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1237.001557][ T74] ip6_pol_route+0x56f/0x840 [ 1237.001557][ T74] fib6_rule_lookup+0x456/0x630 [ 1237.001557][ T74] ip6_route_input+0x59c/0xa50 [ 1237.001557][ T74] ipv6_rcv+0x397/0x810 [ 1237.001557][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1237.001557][ T74] process_backlog+0x101/0x620 [ 1237.001557][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1237.001557][ T74] net_rx_action+0x495/0xbe0 [ 1237.001557][ T74] __do_softirq+0x1b5/0x7f6 [ 1237.001557][ T74] [ 1237.003508][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1237.003508][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1237.003508][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1237.003508][ T74] fib6_nh_init+0xa22/0x1580 [ 1237.003508][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1237.003508][ T74] ip6_route_add+0x1c/0x140 [ 1237.003508][ T74] inet6_rtm_newroute+0x104/0x110 [ 1237.003508][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1237.003508][ T74] netlink_rcv_skb+0x130/0x360 [ 1237.003508][ T74] netlink_unicast+0x449/0x710 [ 1237.003508][ T74] netlink_sendmsg+0x723/0xbe0 [ 1237.003508][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1237.003508][ T74] ___sys_sendmsg+0xee/0x170 [ 1237.003508][ T74] __sys_sendmsg+0xcd/0x170 [ 1237.003508][ T74] do_syscall_64+0xc6/0x1e0 [ 1237.003508][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1237.003508][ T74] [ 1237.005662][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1237.005662][ T74] netdev_get_by_index+0x5e/0x80 [ 1237.005662][ T74] fib6_nh_init+0x3d8/0x1580 [ 1237.005662][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1237.005662][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1237.005662][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1237.005662][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1237.005662][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1237.005662][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1237.005662][ T74] addrconf_dad_begin+0x310/0x670 [ 1237.005662][ T74] addrconf_dad_work+0x10b/0xab0 [ 1237.005662][ T74] process_one_work+0x84d/0x18a0 [ 1237.005662][ T74] worker_thread+0x587/0xd30 [ 1237.005662][ T74] kthread+0x28a/0x350 [ 1237.005662][ T74] ret_from_fork+0x31/0x70 [ 1237.005662][ T74] ret_from_fork_asm+0x1a/0x30 [ 1237.005662][ T74] [ 1237.007944][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1237.007944][ T74] netdev_get_by_index+0x5e/0x80 [ 1237.007944][ T74] fib6_nh_init+0x3d8/0x1580 [ 1237.007944][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1237.007944][ T74] ip6_route_add+0x1c/0x140 [ 1237.007944][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1237.007944][ T74] inet6_addr_add+0x4f8/0xa40 [ 1237.007944][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1237.007944][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1237.007944][ T74] netlink_rcv_skb+0x130/0x360 [ 1237.007944][ T74] netlink_unicast+0x449/0x710 [ 1237.007944][ T74] netlink_sendmsg+0x723/0xbe0 [ 1237.007944][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1237.007944][ T74] ___sys_sendmsg+0xee/0x170 [ 1237.007944][ T74] __sys_sendmsg+0xcd/0x170 [ 1237.007944][ T74] do_syscall_64+0xc6/0x1e0 [ 1237.007944][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1237.007944][ T74] [ 1237.010299][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1237.010299][ T74] netdev_get_by_index+0x5e/0x80 [ 1237.010299][ T74] fib6_nh_init+0x3d8/0x1580 [ 1237.010299][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1237.010299][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1237.010299][ T74] ipv6_add_addr+0x411/0x2000 [ 1237.010299][ T74] inet6_addr_add+0x30e/0xa40 [ 1237.010299][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1237.010299][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1237.010299][ T74] netlink_rcv_skb+0x130/0x360 [ 1237.010299][ T74] netlink_unicast+0x449/0x710 [ 1237.010299][ T74] netlink_sendmsg+0x723/0xbe0 [ 1237.010299][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1237.010299][ T74] ___sys_sendmsg+0xee/0x170 [ 1237.010299][ T74] __sys_sendmsg+0xcd/0x170 [ 1237.010299][ T74] do_syscall_64+0xc6/0x1e0 [ 1237.010299][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1237.010299][ T74] [ 1237.012867][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1237.012867][ T74] netdev_get_by_index+0x5e/0x80 [ 1237.012867][ T74] fib6_nh_init+0x3d8/0x1580 [ 1237.012867][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1237.012867][ T74] ip6_route_add+0x1c/0x140 [ 1237.012867][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1237.012867][ T74] addrconf_add_dev+0xe2/0x170 [ 1237.012867][ T74] inet6_addr_add+0x12f/0xa40 [ 1237.012867][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1237.012867][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1237.012867][ T74] netlink_rcv_skb+0x130/0x360 [ 1237.012867][ T74] netlink_unicast+0x449/0x710 [ 1237.012867][ T74] netlink_sendmsg+0x723/0xbe0 [ 1237.012867][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1237.012867][ T74] ___sys_sendmsg+0xee/0x170 [ 1237.012867][ T74] __sys_sendmsg+0xcd/0x170 [ 1237.012867][ T74] do_syscall_64+0xc6/0x1e0 [ 1237.012867][ T74] [ 1237.015324][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1237.015324][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1237.015324][ T74] ipv6_find_idev+0x102/0x170 [ 1237.015324][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1237.015324][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1237.015324][ T74] netlink_rcv_skb+0x130/0x360 [ 1237.015324][ T74] netlink_unicast+0x449/0x710 [ 1237.015324][ T74] netlink_sendmsg+0x723/0xbe0 [ 1237.015324][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1237.015324][ T74] ___sys_sendmsg+0xee/0x170 [ 1237.015324][ T74] __sys_sendmsg+0xcd/0x170 [ 1237.015324][ T74] do_syscall_64+0xc6/0x1e0 [ 1237.015324][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1237.015324][ T74] [ 1237.017410][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1237.017410][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1237.017410][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1237.017410][ T74] ipv6_find_idev+0x102/0x170 [ 1237.017410][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1237.017410][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1237.017410][ T74] netlink_rcv_skb+0x130/0x360 [ 1237.017410][ T74] netlink_unicast+0x449/0x710 [ 1237.017410][ T74] netlink_sendmsg+0x723/0xbe0 [ 1237.017410][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1237.017410][ T74] ___sys_sendmsg+0xee/0x170 [ 1237.017410][ T74] __sys_sendmsg+0xcd/0x170 [ 1237.017410][ T74] do_syscall_64+0xc6/0x1e0 [ 1237.017410][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1237.017410][ T74] [ 1237.019955][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1237.020238][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1237.020238][ T74] netdev_get_by_index+0x5e/0x80 [ 1237.020238][ T74] fib6_nh_init+0x3d8/0x1580 [ 1237.020238][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1237.020238][ T74] ip6_route_add+0x1c/0x140 [ 1237.020238][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1237.020238][ T74] inet6_addr_add+0x4f8/0xa40 [ 1237.020238][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1237.020238][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1237.020238][ T74] netlink_rcv_skb+0x130/0x360 [ 1237.020238][ T74] netlink_unicast+0x449/0x710 [ 1237.020238][ T74] netlink_sendmsg+0x723/0xbe0 [ 1237.020238][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1237.020238][ T74] ___sys_sendmsg+0xee/0x170 [ 1237.020238][ T74] __sys_sendmsg+0xcd/0x170 [ 1237.020238][ T74] do_syscall_64+0xc6/0x1e0 [ 1237.020238][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1237.020238][ T74] [ 1237.022551][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1237.022551][ T74] netdev_get_by_index+0x5e/0x80 [ 1237.022551][ T74] fib6_nh_init+0x3d8/0x1580 [ 1237.022551][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1237.022551][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1237.022551][ T74] ipv6_add_addr+0x411/0x2000 [ 1237.022551][ T74] inet6_addr_add+0x30e/0xa40 [ 1237.022551][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1237.022551][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1237.022551][ T74] netlink_rcv_skb+0x130/0x360 [ 1237.022551][ T74] netlink_unicast+0x449/0x710 [ 1237.022551][ T74] netlink_sendmsg+0x723/0xbe0 [ 1237.022551][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1237.022551][ T74] ___sys_sendmsg+0xee/0x170 [ 1237.022551][ T74] __sys_sendmsg+0xcd/0x170 [ 1237.022551][ T74] do_syscall_64+0xc6/0x1e0 [ 1237.022551][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1237.022551][ T74] [ 1237.024854][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1237.024854][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1237.024854][ T74] ipv6_find_idev+0x102/0x170 [ 1237.024854][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1237.024854][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1237.024854][ T74] netlink_rcv_skb+0x130/0x360 [ 1237.024854][ T74] netlink_unicast+0x449/0x710 [ 1237.024854][ T74] netlink_sendmsg+0x723/0xbe0 [ 1237.024854][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1237.024854][ T74] ___sys_sendmsg+0xee/0x170 [ 1237.024854][ T74] __sys_sendmsg+0xcd/0x170 [ 1237.024854][ T74] do_syscall_64+0xc6/0x1e0 [ 1237.024854][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1237.024854][ T74] [ 1237.026622][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1237.026622][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1237.026622][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1237.026622][ T74] ipv6_find_idev+0x102/0x170 [ 1237.026622][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1237.026622][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1237.026622][ T74] netlink_rcv_skb+0x130/0x360 [ 1237.026622][ T74] netlink_unicast+0x449/0x710 [ 1237.026622][ T74] netlink_sendmsg+0x723/0xbe0 [ 1237.026622][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1237.026622][ T74] ___sys_sendmsg+0xee/0x170 [ 1237.026622][ T74] __sys_sendmsg+0xcd/0x170 [ 1237.026622][ T74] do_syscall_64+0xc6/0x1e0 [ 1237.026622][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1237.026622][ T74] [ 1247.103871][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1247.104284][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1247.104284][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1247.104284][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1247.104284][ T74] fib6_nh_init+0xa22/0x1580 [ 1247.104284][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1247.104284][ T74] ip6_route_add+0x1c/0x140 [ 1247.104284][ T74] inet6_rtm_newroute+0x104/0x110 [ 1247.104284][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1247.104284][ T74] netlink_rcv_skb+0x130/0x360 [ 1247.104284][ T74] netlink_unicast+0x449/0x710 [ 1247.104284][ T74] netlink_sendmsg+0x723/0xbe0 [ 1247.104284][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1247.104284][ T74] ___sys_sendmsg+0xee/0x170 [ 1247.104284][ T74] __sys_sendmsg+0xcd/0x170 [ 1247.104284][ T74] do_syscall_64+0xc6/0x1e0 [ 1247.104284][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1247.104284][ T74] [ 1247.106550][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1247.106550][ T74] netdev_get_by_index+0x5e/0x80 [ 1247.106550][ T74] fib6_nh_init+0x3d8/0x1580 [ 1247.106550][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1247.106550][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1247.106550][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1247.106550][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1247.106550][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1247.106550][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1247.106550][ T74] addrconf_dad_begin+0x310/0x670 [ 1247.106550][ T74] addrconf_dad_work+0x10b/0xab0 [ 1247.106550][ T74] process_one_work+0x84d/0x18a0 [ 1247.106550][ T74] worker_thread+0x587/0xd30 [ 1247.106550][ T74] kthread+0x28a/0x350 [ 1247.106550][ T74] ret_from_fork+0x31/0x70 [ 1247.106550][ T74] ret_from_fork_asm+0x1a/0x30 [ 1247.106550][ T74] [ 1247.108748][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1247.108748][ T74] netdev_get_by_index+0x5e/0x80 [ 1247.108748][ T74] fib6_nh_init+0x3d8/0x1580 [ 1247.108748][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1247.108748][ T74] ip6_route_add+0x1c/0x140 [ 1247.108748][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1247.108748][ T74] inet6_addr_add+0x4f8/0xa40 [ 1247.108748][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1247.108748][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1247.108748][ T74] netlink_rcv_skb+0x130/0x360 [ 1247.108748][ T74] netlink_unicast+0x449/0x710 [ 1247.108748][ T74] netlink_sendmsg+0x723/0xbe0 [ 1247.108748][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1247.108748][ T74] ___sys_sendmsg+0xee/0x170 [ 1247.108748][ T74] __sys_sendmsg+0xcd/0x170 [ 1247.108748][ T74] do_syscall_64+0xc6/0x1e0 [ 1247.108748][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1247.108748][ T74] [ 1247.111144][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1247.111144][ T74] netdev_get_by_index+0x5e/0x80 [ 1247.111144][ T74] fib6_nh_init+0x3d8/0x1580 [ 1247.111144][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1247.111144][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1247.111144][ T74] ipv6_add_addr+0x411/0x2000 [ 1247.111144][ T74] inet6_addr_add+0x30e/0xa40 [ 1247.111144][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1247.111144][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1247.111144][ T74] netlink_rcv_skb+0x130/0x360 [ 1247.111144][ T74] netlink_unicast+0x449/0x710 [ 1247.111144][ T74] netlink_sendmsg+0x723/0xbe0 [ 1247.111144][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1247.111144][ T74] ___sys_sendmsg+0xee/0x170 [ 1247.111144][ T74] __sys_sendmsg+0xcd/0x170 [ 1247.111144][ T74] do_syscall_64+0xc6/0x1e0 [ 1247.111144][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1247.111144][ T74] [ 1247.113537][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1247.113537][ T74] netdev_get_by_index+0x5e/0x80 [ 1247.113537][ T74] fib6_nh_init+0x3d8/0x1580 [ 1247.113537][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1247.113537][ T74] ip6_route_add+0x1c/0x140 [ 1247.113537][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1247.113537][ T74] addrconf_add_dev+0xe2/0x170 [ 1247.113537][ T74] inet6_addr_add+0x12f/0xa40 [ 1247.113537][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1247.113537][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1247.113537][ T74] netlink_rcv_skb+0x130/0x360 [ 1247.113537][ T74] netlink_unicast+0x449/0x710 [ 1247.113537][ T74] netlink_sendmsg+0x723/0xbe0 [ 1247.113537][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1247.113537][ T74] ___sys_sendmsg+0xee/0x170 [ 1247.113537][ T74] __sys_sendmsg+0xcd/0x170 [ 1247.113537][ T74] do_syscall_64+0xc6/0x1e0 [ 1247.113537][ T74] [ 1247.115788][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1247.115788][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1247.115788][ T74] ipv6_find_idev+0x102/0x170 [ 1247.115788][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1247.115788][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1247.115788][ T74] netlink_rcv_skb+0x130/0x360 [ 1247.115788][ T74] netlink_unicast+0x449/0x710 [ 1247.115788][ T74] netlink_sendmsg+0x723/0xbe0 [ 1247.115788][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1247.115788][ T74] ___sys_sendmsg+0xee/0x170 [ 1247.115788][ T74] __sys_sendmsg+0xcd/0x170 [ 1247.115788][ T74] do_syscall_64+0xc6/0x1e0 [ 1247.115788][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1247.115788][ T74] [ 1247.117664][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1247.117664][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1247.117664][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1247.117664][ T74] ipv6_find_idev+0x102/0x170 [ 1247.117664][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1247.117664][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1247.117664][ T74] netlink_rcv_skb+0x130/0x360 [ 1247.117664][ T74] netlink_unicast+0x449/0x710 [ 1247.117664][ T74] netlink_sendmsg+0x723/0xbe0 [ 1247.117664][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1247.117664][ T74] ___sys_sendmsg+0xee/0x170 [ 1247.117664][ T74] __sys_sendmsg+0xcd/0x170 [ 1247.117664][ T74] do_syscall_64+0xc6/0x1e0 [ 1247.117664][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1247.117664][ T74] [ 1247.119700][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1247.120022][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1247.120022][ T74] dst_init+0x84/0x4a0 [ 1247.120022][ T74] dst_alloc+0x97/0x150 [ 1247.120022][ T74] ip6_dst_alloc+0x23/0x90 [ 1247.120022][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1247.120022][ T74] ip6_pol_route+0x56f/0x840 [ 1247.120022][ T74] fib6_rule_lookup+0x456/0x630 [ 1247.120022][ T74] ip6_route_input+0x59c/0xa50 [ 1247.120022][ T74] ipv6_rcv+0x397/0x810 [ 1247.120022][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1247.120022][ T74] process_backlog+0x101/0x620 [ 1247.120022][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1247.120022][ T74] net_rx_action+0x495/0xbe0 [ 1247.120022][ T74] __do_softirq+0x1b5/0x7f6 [ 1247.120022][ T74] [ 1247.122333][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1247.122333][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1247.122333][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1247.122333][ T74] fib6_nh_init+0xa22/0x1580 [ 1247.122333][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1247.122333][ T74] ip6_route_add+0x1c/0x140 [ 1247.122333][ T74] inet6_rtm_newroute+0x104/0x110 [ 1247.122333][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1247.122333][ T74] netlink_rcv_skb+0x130/0x360 [ 1247.122333][ T74] netlink_unicast+0x449/0x710 [ 1247.122333][ T74] netlink_sendmsg+0x723/0xbe0 [ 1247.122333][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1247.122333][ T74] ___sys_sendmsg+0xee/0x170 [ 1247.122333][ T74] __sys_sendmsg+0xcd/0x170 [ 1247.122333][ T74] do_syscall_64+0xc6/0x1e0 [ 1247.122333][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1247.122333][ T74] [ 1247.124816][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1247.124816][ T74] netdev_get_by_index+0x5e/0x80 [ 1247.124816][ T74] fib6_nh_init+0x3d8/0x1580 [ 1247.124816][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1247.124816][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1247.124816][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1247.124816][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1247.124816][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1247.124816][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1247.124816][ T74] addrconf_dad_begin+0x310/0x670 [ 1247.124816][ T74] addrconf_dad_work+0x10b/0xab0 [ 1247.124816][ T74] process_one_work+0x84d/0x18a0 [ 1247.124816][ T74] worker_thread+0x587/0xd30 [ 1247.124816][ T74] kthread+0x28a/0x350 [ 1247.124816][ T74] ret_from_fork+0x31/0x70 [ 1247.124816][ T74] ret_from_fork_asm+0x1a/0x30 [ 1247.124816][ T74] [ 1247.127253][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1247.127253][ T74] netdev_get_by_index+0x5e/0x80 [ 1247.127253][ T74] fib6_nh_init+0x3d8/0x1580 [ 1247.127253][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1247.127253][ T74] ip6_route_add+0x1c/0x140 [ 1247.127253][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1247.127253][ T74] inet6_addr_add+0x4f8/0xa40 [ 1247.127253][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1247.127253][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1247.127253][ T74] netlink_rcv_skb+0x130/0x360 [ 1247.127253][ T74] netlink_unicast+0x449/0x710 [ 1247.127253][ T74] netlink_sendmsg+0x723/0xbe0 [ 1247.127253][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1247.127253][ T74] ___sys_sendmsg+0xee/0x170 [ 1247.127253][ T74] __sys_sendmsg+0xcd/0x170 [ 1247.127253][ T74] do_syscall_64+0xc6/0x1e0 [ 1247.127253][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1247.127253][ T74] [ 1247.129951][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1247.129951][ T74] netdev_get_by_index+0x5e/0x80 [ 1247.129951][ T74] fib6_nh_init+0x3d8/0x1580 [ 1247.129951][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1247.129951][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1247.129951][ T74] ipv6_add_addr+0x411/0x2000 [ 1247.129951][ T74] inet6_addr_add+0x30e/0xa40 [ 1247.129951][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1247.129951][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1247.129951][ T74] netlink_rcv_skb+0x130/0x360 [ 1247.129951][ T74] netlink_unicast+0x449/0x710 [ 1247.129951][ T74] netlink_sendmsg+0x723/0xbe0 [ 1247.129951][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1247.129951][ T74] ___sys_sendmsg+0xee/0x170 [ 1247.129951][ T74] __sys_sendmsg+0xcd/0x170 [ 1247.129951][ T74] do_syscall_64+0xc6/0x1e0 [ 1247.129951][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1247.129951][ T74] [ 1247.132627][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1247.132627][ T74] netdev_get_by_index+0x5e/0x80 [ 1247.132627][ T74] fib6_nh_init+0x3d8/0x1580 [ 1247.132627][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1247.132627][ T74] ip6_route_add+0x1c/0x140 [ 1247.132627][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1247.132627][ T74] addrconf_add_dev+0xe2/0x170 [ 1247.132627][ T74] inet6_addr_add+0x12f/0xa40 [ 1247.132627][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1247.132627][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1247.132627][ T74] netlink_rcv_skb+0x130/0x360 [ 1247.132627][ T74] netlink_unicast+0x449/0x710 [ 1247.132627][ T74] netlink_sendmsg+0x723/0xbe0 [ 1247.132627][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1247.132627][ T74] ___sys_sendmsg+0xee/0x170 [ 1247.132627][ T74] __sys_sendmsg+0xcd/0x170 [ 1247.132627][ T74] do_syscall_64+0xc6/0x1e0 [ 1247.132627][ T74] [ 1247.135040][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1247.135040][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1247.135040][ T74] ipv6_find_idev+0x102/0x170 [ 1247.135040][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1247.135040][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1247.135040][ T74] netlink_rcv_skb+0x130/0x360 [ 1247.135040][ T74] netlink_unicast+0x449/0x710 [ 1247.135040][ T74] netlink_sendmsg+0x723/0xbe0 [ 1247.135040][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1247.135040][ T74] ___sys_sendmsg+0xee/0x170 [ 1247.135040][ T74] __sys_sendmsg+0xcd/0x170 [ 1247.135040][ T74] do_syscall_64+0xc6/0x1e0 [ 1247.135040][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1247.135040][ T74] [ 1247.137284][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1247.137284][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1247.137284][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1247.137284][ T74] ipv6_find_idev+0x102/0x170 [ 1247.137284][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1247.137284][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1247.137284][ T74] netlink_rcv_skb+0x130/0x360 [ 1247.137284][ T74] netlink_unicast+0x449/0x710 [ 1247.137284][ T74] netlink_sendmsg+0x723/0xbe0 [ 1247.137284][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1247.137284][ T74] ___sys_sendmsg+0xee/0x170 [ 1247.137284][ T74] __sys_sendmsg+0xcd/0x170 [ 1247.137284][ T74] do_syscall_64+0xc6/0x1e0 [ 1247.137284][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1247.137284][ T74] [ 1247.139483][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1247.139830][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1247.139830][ T74] netdev_get_by_index+0x5e/0x80 [ 1247.139830][ T74] fib6_nh_init+0x3d8/0x1580 [ 1247.139830][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1247.139830][ T74] ip6_route_add+0x1c/0x140 [ 1247.139830][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1247.139830][ T74] inet6_addr_add+0x4f8/0xa40 [ 1247.139830][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1247.139830][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1247.139830][ T74] netlink_rcv_skb+0x130/0x360 [ 1247.139830][ T74] netlink_unicast+0x449/0x710 [ 1247.139830][ T74] netlink_sendmsg+0x723/0xbe0 [ 1247.139830][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1247.139830][ T74] ___sys_sendmsg+0xee/0x170 [ 1247.139830][ T74] __sys_sendmsg+0xcd/0x170 [ 1247.139830][ T74] do_syscall_64+0xc6/0x1e0 [ 1247.139830][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1247.139830][ T74] [ 1247.142380][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1247.142380][ T74] netdev_get_by_index+0x5e/0x80 [ 1247.142380][ T74] fib6_nh_init+0x3d8/0x1580 [ 1247.142380][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1247.142380][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1247.142380][ T74] ipv6_add_addr+0x411/0x2000 [ 1247.142380][ T74] inet6_addr_add+0x30e/0xa40 [ 1247.142380][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1247.142380][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1247.142380][ T74] netlink_rcv_skb+0x130/0x360 [ 1247.142380][ T74] netlink_unicast+0x449/0x710 [ 1247.142380][ T74] netlink_sendmsg+0x723/0xbe0 [ 1247.142380][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1247.142380][ T74] ___sys_sendmsg+0xee/0x170 [ 1247.142380][ T74] __sys_sendmsg+0xcd/0x170 [ 1247.142380][ T74] do_syscall_64+0xc6/0x1e0 [ 1247.142380][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1247.142380][ T74] [ 1247.145244][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1247.145244][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1247.145244][ T74] ipv6_find_idev+0x102/0x170 [ 1247.145244][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1247.145244][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1247.145244][ T74] netlink_rcv_skb+0x130/0x360 [ 1247.145244][ T74] netlink_unicast+0x449/0x710 [ 1247.145244][ T74] netlink_sendmsg+0x723/0xbe0 [ 1247.145244][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1247.145244][ T74] ___sys_sendmsg+0xee/0x170 [ 1247.145244][ T74] __sys_sendmsg+0xcd/0x170 [ 1247.145244][ T74] do_syscall_64+0xc6/0x1e0 [ 1247.145244][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1247.145244][ T74] [ 1247.147304][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1247.147304][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1247.147304][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1247.147304][ T74] ipv6_find_idev+0x102/0x170 [ 1247.147304][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1247.147304][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1247.147304][ T74] netlink_rcv_skb+0x130/0x360 [ 1247.147304][ T74] netlink_unicast+0x449/0x710 [ 1247.147304][ T74] netlink_sendmsg+0x723/0xbe0 [ 1247.147304][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1247.147304][ T74] ___sys_sendmsg+0xee/0x170 [ 1247.147304][ T74] __sys_sendmsg+0xcd/0x170 [ 1247.147304][ T74] do_syscall_64+0xc6/0x1e0 [ 1247.147304][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1247.147304][ T74] [ 1257.304870][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1257.305318][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1257.305318][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1257.305318][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1257.305318][ T74] fib6_nh_init+0xa22/0x1580 [ 1257.305318][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1257.305318][ T74] ip6_route_add+0x1c/0x140 [ 1257.305318][ T74] inet6_rtm_newroute+0x104/0x110 [ 1257.305318][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1257.305318][ T74] netlink_rcv_skb+0x130/0x360 [ 1257.305318][ T74] netlink_unicast+0x449/0x710 [ 1257.305318][ T74] netlink_sendmsg+0x723/0xbe0 [ 1257.305318][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1257.305318][ T74] ___sys_sendmsg+0xee/0x170 [ 1257.305318][ T74] __sys_sendmsg+0xcd/0x170 [ 1257.305318][ T74] do_syscall_64+0xc6/0x1e0 [ 1257.305318][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1257.305318][ T74] [ 1257.307338][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1257.307338][ T74] netdev_get_by_index+0x5e/0x80 [ 1257.307338][ T74] fib6_nh_init+0x3d8/0x1580 [ 1257.307338][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1257.307338][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1257.307338][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1257.307338][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1257.307338][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1257.307338][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1257.307338][ T74] addrconf_dad_begin+0x310/0x670 [ 1257.307338][ T74] addrconf_dad_work+0x10b/0xab0 [ 1257.307338][ T74] process_one_work+0x84d/0x18a0 [ 1257.307338][ T74] worker_thread+0x587/0xd30 [ 1257.307338][ T74] kthread+0x28a/0x350 [ 1257.307338][ T74] ret_from_fork+0x31/0x70 [ 1257.307338][ T74] ret_from_fork_asm+0x1a/0x30 [ 1257.307338][ T74] [ 1257.309432][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1257.309432][ T74] netdev_get_by_index+0x5e/0x80 [ 1257.309432][ T74] fib6_nh_init+0x3d8/0x1580 [ 1257.309432][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1257.309432][ T74] ip6_route_add+0x1c/0x140 [ 1257.309432][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1257.309432][ T74] inet6_addr_add+0x4f8/0xa40 [ 1257.309432][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1257.309432][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1257.309432][ T74] netlink_rcv_skb+0x130/0x360 [ 1257.309432][ T74] netlink_unicast+0x449/0x710 [ 1257.309432][ T74] netlink_sendmsg+0x723/0xbe0 [ 1257.309432][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1257.309432][ T74] ___sys_sendmsg+0xee/0x170 [ 1257.309432][ T74] __sys_sendmsg+0xcd/0x170 [ 1257.309432][ T74] do_syscall_64+0xc6/0x1e0 [ 1257.309432][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1257.309432][ T74] [ 1257.311680][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1257.311680][ T74] netdev_get_by_index+0x5e/0x80 [ 1257.311680][ T74] fib6_nh_init+0x3d8/0x1580 [ 1257.311680][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1257.311680][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1257.311680][ T74] ipv6_add_addr+0x411/0x2000 [ 1257.311680][ T74] inet6_addr_add+0x30e/0xa40 [ 1257.311680][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1257.311680][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1257.311680][ T74] netlink_rcv_skb+0x130/0x360 [ 1257.311680][ T74] netlink_unicast+0x449/0x710 [ 1257.311680][ T74] netlink_sendmsg+0x723/0xbe0 [ 1257.311680][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1257.311680][ T74] ___sys_sendmsg+0xee/0x170 [ 1257.311680][ T74] __sys_sendmsg+0xcd/0x170 [ 1257.311680][ T74] do_syscall_64+0xc6/0x1e0 [ 1257.311680][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1257.311680][ T74] [ 1257.313802][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1257.313802][ T74] netdev_get_by_index+0x5e/0x80 [ 1257.313802][ T74] fib6_nh_init+0x3d8/0x1580 [ 1257.313802][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1257.313802][ T74] ip6_route_add+0x1c/0x140 [ 1257.313802][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1257.313802][ T74] addrconf_add_dev+0xe2/0x170 [ 1257.313802][ T74] inet6_addr_add+0x12f/0xa40 [ 1257.313802][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1257.313802][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1257.313802][ T74] netlink_rcv_skb+0x130/0x360 [ 1257.313802][ T74] netlink_unicast+0x449/0x710 [ 1257.313802][ T74] netlink_sendmsg+0x723/0xbe0 [ 1257.313802][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1257.313802][ T74] ___sys_sendmsg+0xee/0x170 [ 1257.313802][ T74] __sys_sendmsg+0xcd/0x170 [ 1257.313802][ T74] do_syscall_64+0xc6/0x1e0 [ 1257.313802][ T74] [ 1257.316183][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1257.316183][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1257.316183][ T74] ipv6_find_idev+0x102/0x170 [ 1257.316183][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1257.316183][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1257.316183][ T74] netlink_rcv_skb+0x130/0x360 [ 1257.316183][ T74] netlink_unicast+0x449/0x710 [ 1257.316183][ T74] netlink_sendmsg+0x723/0xbe0 [ 1257.316183][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1257.316183][ T74] ___sys_sendmsg+0xee/0x170 [ 1257.316183][ T74] __sys_sendmsg+0xcd/0x170 [ 1257.316183][ T74] do_syscall_64+0xc6/0x1e0 [ 1257.316183][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1257.316183][ T74] [ 1257.317904][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1257.317904][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1257.317904][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1257.317904][ T74] ipv6_find_idev+0x102/0x170 [ 1257.317904][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1257.317904][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1257.317904][ T74] netlink_rcv_skb+0x130/0x360 [ 1257.317904][ T74] netlink_unicast+0x449/0x710 [ 1257.317904][ T74] netlink_sendmsg+0x723/0xbe0 [ 1257.317904][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1257.317904][ T74] ___sys_sendmsg+0xee/0x170 [ 1257.317904][ T74] __sys_sendmsg+0xcd/0x170 [ 1257.317904][ T74] do_syscall_64+0xc6/0x1e0 [ 1257.317904][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1257.317904][ T74] [ 1257.320421][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1257.320757][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1257.320757][ T74] dst_init+0x84/0x4a0 [ 1257.320757][ T74] dst_alloc+0x97/0x150 [ 1257.320757][ T74] ip6_dst_alloc+0x23/0x90 [ 1257.320757][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1257.320757][ T74] ip6_pol_route+0x56f/0x840 [ 1257.320757][ T74] fib6_rule_lookup+0x456/0x630 [ 1257.320757][ T74] ip6_route_input+0x59c/0xa50 [ 1257.320757][ T74] ipv6_rcv+0x397/0x810 [ 1257.320757][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1257.320757][ T74] process_backlog+0x101/0x620 [ 1257.320757][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1257.320757][ T74] net_rx_action+0x495/0xbe0 [ 1257.320757][ T74] __do_softirq+0x1b5/0x7f6 [ 1257.320757][ T74] [ 1257.322543][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1257.322543][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1257.322543][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1257.322543][ T74] fib6_nh_init+0xa22/0x1580 [ 1257.322543][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1257.322543][ T74] ip6_route_add+0x1c/0x140 [ 1257.322543][ T74] inet6_rtm_newroute+0x104/0x110 [ 1257.322543][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1257.322543][ T74] netlink_rcv_skb+0x130/0x360 [ 1257.322543][ T74] netlink_unicast+0x449/0x710 [ 1257.322543][ T74] netlink_sendmsg+0x723/0xbe0 [ 1257.322543][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1257.322543][ T74] ___sys_sendmsg+0xee/0x170 [ 1257.322543][ T74] __sys_sendmsg+0xcd/0x170 [ 1257.322543][ T74] do_syscall_64+0xc6/0x1e0 [ 1257.322543][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1257.322543][ T74] [ 1257.324840][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1257.324840][ T74] netdev_get_by_index+0x5e/0x80 [ 1257.324840][ T74] fib6_nh_init+0x3d8/0x1580 [ 1257.324840][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1257.324840][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1257.324840][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1257.324840][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1257.324840][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1257.324840][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1257.324840][ T74] addrconf_dad_begin+0x310/0x670 [ 1257.324840][ T74] addrconf_dad_work+0x10b/0xab0 [ 1257.324840][ T74] process_one_work+0x84d/0x18a0 [ 1257.324840][ T74] worker_thread+0x587/0xd30 [ 1257.324840][ T74] kthread+0x28a/0x350 [ 1257.324840][ T74] ret_from_fork+0x31/0x70 [ 1257.324840][ T74] ret_from_fork_asm+0x1a/0x30 [ 1257.324840][ T74] [ 1257.327256][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1257.327256][ T74] netdev_get_by_index+0x5e/0x80 [ 1257.327256][ T74] fib6_nh_init+0x3d8/0x1580 [ 1257.327256][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1257.327256][ T74] ip6_route_add+0x1c/0x140 [ 1257.327256][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1257.327256][ T74] inet6_addr_add+0x4f8/0xa40 [ 1257.327256][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1257.327256][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1257.327256][ T74] netlink_rcv_skb+0x130/0x360 [ 1257.327256][ T74] netlink_unicast+0x449/0x710 [ 1257.327256][ T74] netlink_sendmsg+0x723/0xbe0 [ 1257.327256][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1257.327256][ T74] ___sys_sendmsg+0xee/0x170 [ 1257.327256][ T74] __sys_sendmsg+0xcd/0x170 [ 1257.327256][ T74] do_syscall_64+0xc6/0x1e0 [ 1257.327256][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1257.327256][ T74] [ 1257.329643][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1257.329643][ T74] netdev_get_by_index+0x5e/0x80 [ 1257.329643][ T74] fib6_nh_init+0x3d8/0x1580 [ 1257.329643][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1257.329643][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1257.329643][ T74] ipv6_add_addr+0x411/0x2000 [ 1257.329643][ T74] inet6_addr_add+0x30e/0xa40 [ 1257.329643][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1257.329643][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1257.329643][ T74] netlink_rcv_skb+0x130/0x360 [ 1257.329643][ T74] netlink_unicast+0x449/0x710 [ 1257.329643][ T74] netlink_sendmsg+0x723/0xbe0 [ 1257.329643][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1257.329643][ T74] ___sys_sendmsg+0xee/0x170 [ 1257.329643][ T74] __sys_sendmsg+0xcd/0x170 [ 1257.329643][ T74] do_syscall_64+0xc6/0x1e0 [ 1257.329643][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1257.329643][ T74] [ 1257.332100][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1257.332100][ T74] netdev_get_by_index+0x5e/0x80 [ 1257.332100][ T74] fib6_nh_init+0x3d8/0x1580 [ 1257.332100][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1257.332100][ T74] ip6_route_add+0x1c/0x140 [ 1257.332100][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1257.332100][ T74] addrconf_add_dev+0xe2/0x170 [ 1257.332100][ T74] inet6_addr_add+0x12f/0xa40 [ 1257.332100][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1257.332100][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1257.332100][ T74] netlink_rcv_skb+0x130/0x360 [ 1257.332100][ T74] netlink_unicast+0x449/0x710 [ 1257.332100][ T74] netlink_sendmsg+0x723/0xbe0 [ 1257.332100][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1257.332100][ T74] ___sys_sendmsg+0xee/0x170 [ 1257.332100][ T74] __sys_sendmsg+0xcd/0x170 [ 1257.332100][ T74] do_syscall_64+0xc6/0x1e0 [ 1257.332100][ T74] [ 1257.334488][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1257.334488][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1257.334488][ T74] ipv6_find_idev+0x102/0x170 [ 1257.334488][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1257.334488][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1257.334488][ T74] netlink_rcv_skb+0x130/0x360 [ 1257.334488][ T74] netlink_unicast+0x449/0x710 [ 1257.334488][ T74] netlink_sendmsg+0x723/0xbe0 [ 1257.334488][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1257.334488][ T74] ___sys_sendmsg+0xee/0x170 [ 1257.334488][ T74] __sys_sendmsg+0xcd/0x170 [ 1257.334488][ T74] do_syscall_64+0xc6/0x1e0 [ 1257.334488][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1257.334488][ T74] [ 1257.336470][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1257.336470][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1257.336470][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1257.336470][ T74] ipv6_find_idev+0x102/0x170 [ 1257.336470][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1257.336470][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1257.336470][ T74] netlink_rcv_skb+0x130/0x360 [ 1257.336470][ T74] netlink_unicast+0x449/0x710 [ 1257.336470][ T74] netlink_sendmsg+0x723/0xbe0 [ 1257.336470][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1257.336470][ T74] ___sys_sendmsg+0xee/0x170 [ 1257.336470][ T74] __sys_sendmsg+0xcd/0x170 [ 1257.336470][ T74] do_syscall_64+0xc6/0x1e0 [ 1257.336470][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1257.336470][ T74] [ 1257.338498][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1257.338804][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1257.338804][ T74] netdev_get_by_index+0x5e/0x80 [ 1257.338804][ T74] fib6_nh_init+0x3d8/0x1580 [ 1257.338804][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1257.338804][ T74] ip6_route_add+0x1c/0x140 [ 1257.338804][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1257.338804][ T74] inet6_addr_add+0x4f8/0xa40 [ 1257.338804][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1257.338804][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1257.338804][ T74] netlink_rcv_skb+0x130/0x360 [ 1257.338804][ T74] netlink_unicast+0x449/0x710 [ 1257.338804][ T74] netlink_sendmsg+0x723/0xbe0 [ 1257.338804][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1257.338804][ T74] ___sys_sendmsg+0xee/0x170 [ 1257.338804][ T74] __sys_sendmsg+0xcd/0x170 [ 1257.338804][ T74] do_syscall_64+0xc6/0x1e0 [ 1257.338804][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1257.338804][ T74] [ 1257.341139][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1257.341139][ T74] netdev_get_by_index+0x5e/0x80 [ 1257.341139][ T74] fib6_nh_init+0x3d8/0x1580 [ 1257.341139][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1257.341139][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1257.341139][ T74] ipv6_add_addr+0x411/0x2000 [ 1257.341139][ T74] inet6_addr_add+0x30e/0xa40 [ 1257.341139][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1257.341139][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1257.341139][ T74] netlink_rcv_skb+0x130/0x360 [ 1257.341139][ T74] netlink_unicast+0x449/0x710 [ 1257.341139][ T74] netlink_sendmsg+0x723/0xbe0 [ 1257.341139][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1257.341139][ T74] ___sys_sendmsg+0xee/0x170 [ 1257.341139][ T74] __sys_sendmsg+0xcd/0x170 [ 1257.341139][ T74] do_syscall_64+0xc6/0x1e0 [ 1257.341139][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1257.341139][ T74] [ 1257.343842][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1257.343842][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1257.343842][ T74] ipv6_find_idev+0x102/0x170 [ 1257.343842][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1257.343842][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1257.343842][ T74] netlink_rcv_skb+0x130/0x360 [ 1257.343842][ T74] netlink_unicast+0x449/0x710 [ 1257.343842][ T74] netlink_sendmsg+0x723/0xbe0 [ 1257.343842][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1257.343842][ T74] ___sys_sendmsg+0xee/0x170 [ 1257.343842][ T74] __sys_sendmsg+0xcd/0x170 [ 1257.343842][ T74] do_syscall_64+0xc6/0x1e0 [ 1257.343842][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1257.343842][ T74] [ 1257.345681][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1257.345681][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1257.345681][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1257.345681][ T74] ipv6_find_idev+0x102/0x170 [ 1257.345681][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1257.345681][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1257.345681][ T74] netlink_rcv_skb+0x130/0x360 [ 1257.345681][ T74] netlink_unicast+0x449/0x710 [ 1257.345681][ T74] netlink_sendmsg+0x723/0xbe0 [ 1257.345681][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1257.345681][ T74] ___sys_sendmsg+0xee/0x170 [ 1257.345681][ T74] __sys_sendmsg+0xcd/0x170 [ 1257.345681][ T74] do_syscall_64+0xc6/0x1e0 [ 1257.345681][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1257.345681][ T74] [ 1267.448908][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1267.449518][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1267.449518][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1267.449518][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1267.449518][ T74] fib6_nh_init+0xa22/0x1580 [ 1267.449518][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1267.449518][ T74] ip6_route_add+0x1c/0x140 [ 1267.449518][ T74] inet6_rtm_newroute+0x104/0x110 [ 1267.449518][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1267.449518][ T74] netlink_rcv_skb+0x130/0x360 [ 1267.449518][ T74] netlink_unicast+0x449/0x710 [ 1267.449518][ T74] netlink_sendmsg+0x723/0xbe0 [ 1267.449518][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1267.449518][ T74] ___sys_sendmsg+0xee/0x170 [ 1267.449518][ T74] __sys_sendmsg+0xcd/0x170 [ 1267.449518][ T74] do_syscall_64+0xc6/0x1e0 [ 1267.449518][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1267.449518][ T74] [ 1267.452912][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1267.452912][ T74] netdev_get_by_index+0x5e/0x80 [ 1267.452912][ T74] fib6_nh_init+0x3d8/0x1580 [ 1267.452912][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1267.452912][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1267.452912][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1267.452912][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1267.452912][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1267.452912][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1267.452912][ T74] addrconf_dad_begin+0x310/0x670 [ 1267.452912][ T74] addrconf_dad_work+0x10b/0xab0 [ 1267.452912][ T74] process_one_work+0x84d/0x18a0 [ 1267.452912][ T74] worker_thread+0x587/0xd30 [ 1267.452912][ T74] kthread+0x28a/0x350 [ 1267.452912][ T74] ret_from_fork+0x31/0x70 [ 1267.452912][ T74] ret_from_fork_asm+0x1a/0x30 [ 1267.452912][ T74] [ 1267.455428][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1267.455428][ T74] netdev_get_by_index+0x5e/0x80 [ 1267.455428][ T74] fib6_nh_init+0x3d8/0x1580 [ 1267.455428][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1267.455428][ T74] ip6_route_add+0x1c/0x140 [ 1267.455428][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1267.455428][ T74] inet6_addr_add+0x4f8/0xa40 [ 1267.455428][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1267.455428][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1267.455428][ T74] netlink_rcv_skb+0x130/0x360 [ 1267.455428][ T74] netlink_unicast+0x449/0x710 [ 1267.455428][ T74] netlink_sendmsg+0x723/0xbe0 [ 1267.455428][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1267.455428][ T74] ___sys_sendmsg+0xee/0x170 [ 1267.455428][ T74] __sys_sendmsg+0xcd/0x170 [ 1267.455428][ T74] do_syscall_64+0xc6/0x1e0 [ 1267.455428][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1267.455428][ T74] [ 1267.458792][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1267.458792][ T74] netdev_get_by_index+0x5e/0x80 [ 1267.458792][ T74] fib6_nh_init+0x3d8/0x1580 [ 1267.458792][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1267.458792][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1267.458792][ T74] ipv6_add_addr+0x411/0x2000 [ 1267.458792][ T74] inet6_addr_add+0x30e/0xa40 [ 1267.458792][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1267.458792][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1267.458792][ T74] netlink_rcv_skb+0x130/0x360 [ 1267.458792][ T74] netlink_unicast+0x449/0x710 [ 1267.458792][ T74] netlink_sendmsg+0x723/0xbe0 [ 1267.458792][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1267.458792][ T74] ___sys_sendmsg+0xee/0x170 [ 1267.458792][ T74] __sys_sendmsg+0xcd/0x170 [ 1267.458792][ T74] do_syscall_64+0xc6/0x1e0 [ 1267.458792][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1267.458792][ T74] [ 1267.462537][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1267.462537][ T74] netdev_get_by_index+0x5e/0x80 [ 1267.462537][ T74] fib6_nh_init+0x3d8/0x1580 [ 1267.462537][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1267.462537][ T74] ip6_route_add+0x1c/0x140 [ 1267.462537][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1267.462537][ T74] addrconf_add_dev+0xe2/0x170 [ 1267.462537][ T74] inet6_addr_add+0x12f/0xa40 [ 1267.462537][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1267.462537][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1267.462537][ T74] netlink_rcv_skb+0x130/0x360 [ 1267.462537][ T74] netlink_unicast+0x449/0x710 [ 1267.462537][ T74] netlink_sendmsg+0x723/0xbe0 [ 1267.462537][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1267.462537][ T74] ___sys_sendmsg+0xee/0x170 [ 1267.462537][ T74] __sys_sendmsg+0xcd/0x170 [ 1267.462537][ T74] do_syscall_64+0xc6/0x1e0 [ 1267.462537][ T74] [ 1267.465699][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1267.465699][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1267.465699][ T74] ipv6_find_idev+0x102/0x170 [ 1267.465699][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1267.465699][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1267.465699][ T74] netlink_rcv_skb+0x130/0x360 [ 1267.465699][ T74] netlink_unicast+0x449/0x710 [ 1267.465699][ T74] netlink_sendmsg+0x723/0xbe0 [ 1267.465699][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1267.465699][ T74] ___sys_sendmsg+0xee/0x170 [ 1267.465699][ T74] __sys_sendmsg+0xcd/0x170 [ 1267.465699][ T74] do_syscall_64+0xc6/0x1e0 [ 1267.465699][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1267.465699][ T74] [ 1267.468611][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1267.468611][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1267.468611][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1267.468611][ T74] ipv6_find_idev+0x102/0x170 [ 1267.468611][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1267.468611][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1267.468611][ T74] netlink_rcv_skb+0x130/0x360 [ 1267.468611][ T74] netlink_unicast+0x449/0x710 [ 1267.468611][ T74] netlink_sendmsg+0x723/0xbe0 [ 1267.468611][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1267.468611][ T74] ___sys_sendmsg+0xee/0x170 [ 1267.468611][ T74] __sys_sendmsg+0xcd/0x170 [ 1267.468611][ T74] do_syscall_64+0xc6/0x1e0 [ 1267.468611][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1267.468611][ T74] [ 1267.471887][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1267.472364][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1267.472364][ T74] dst_init+0x84/0x4a0 [ 1267.472364][ T74] dst_alloc+0x97/0x150 [ 1267.472364][ T74] ip6_dst_alloc+0x23/0x90 [ 1267.472364][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1267.472364][ T74] ip6_pol_route+0x56f/0x840 [ 1267.472364][ T74] fib6_rule_lookup+0x456/0x630 [ 1267.472364][ T74] ip6_route_input+0x59c/0xa50 [ 1267.472364][ T74] ipv6_rcv+0x397/0x810 [ 1267.472364][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1267.472364][ T74] process_backlog+0x101/0x620 [ 1267.472364][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1267.472364][ T74] net_rx_action+0x495/0xbe0 [ 1267.472364][ T74] __do_softirq+0x1b5/0x7f6 [ 1267.472364][ T74] [ 1267.475488][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1267.475488][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1267.475488][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1267.475488][ T74] fib6_nh_init+0xa22/0x1580 [ 1267.475488][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1267.475488][ T74] ip6_route_add+0x1c/0x140 [ 1267.475488][ T74] inet6_rtm_newroute+0x104/0x110 [ 1267.475488][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1267.475488][ T74] netlink_rcv_skb+0x130/0x360 [ 1267.475488][ T74] netlink_unicast+0x449/0x710 [ 1267.475488][ T74] netlink_sendmsg+0x723/0xbe0 [ 1267.475488][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1267.475488][ T74] ___sys_sendmsg+0xee/0x170 [ 1267.475488][ T74] __sys_sendmsg+0xcd/0x170 [ 1267.475488][ T74] do_syscall_64+0xc6/0x1e0 [ 1267.475488][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1267.475488][ T74] [ 1267.479027][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1267.479027][ T74] netdev_get_by_index+0x5e/0x80 [ 1267.479027][ T74] fib6_nh_init+0x3d8/0x1580 [ 1267.479027][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1267.479027][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1267.479027][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1267.479027][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1267.479027][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1267.479027][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1267.479027][ T74] addrconf_dad_begin+0x310/0x670 [ 1267.479027][ T74] addrconf_dad_work+0x10b/0xab0 [ 1267.479027][ T74] process_one_work+0x84d/0x18a0 [ 1267.479027][ T74] worker_thread+0x587/0xd30 [ 1267.479027][ T74] kthread+0x28a/0x350 [ 1267.479027][ T74] ret_from_fork+0x31/0x70 [ 1267.479027][ T74] ret_from_fork_asm+0x1a/0x30 [ 1267.479027][ T74] [ 1267.482616][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1267.482616][ T74] netdev_get_by_index+0x5e/0x80 [ 1267.482616][ T74] fib6_nh_init+0x3d8/0x1580 [ 1267.482616][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1267.482616][ T74] ip6_route_add+0x1c/0x140 [ 1267.482616][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1267.482616][ T74] inet6_addr_add+0x4f8/0xa40 [ 1267.482616][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1267.482616][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1267.482616][ T74] netlink_rcv_skb+0x130/0x360 [ 1267.482616][ T74] netlink_unicast+0x449/0x710 [ 1267.482616][ T74] netlink_sendmsg+0x723/0xbe0 [ 1267.482616][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1267.482616][ T74] ___sys_sendmsg+0xee/0x170 [ 1267.482616][ T74] __sys_sendmsg+0xcd/0x170 [ 1267.482616][ T74] do_syscall_64+0xc6/0x1e0 [ 1267.482616][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1267.482616][ T74] [ 1267.486471][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1267.486471][ T74] netdev_get_by_index+0x5e/0x80 [ 1267.486471][ T74] fib6_nh_init+0x3d8/0x1580 [ 1267.486471][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1267.486471][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1267.486471][ T74] ipv6_add_addr+0x411/0x2000 [ 1267.486471][ T74] inet6_addr_add+0x30e/0xa40 [ 1267.486471][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1267.486471][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1267.486471][ T74] netlink_rcv_skb+0x130/0x360 [ 1267.486471][ T74] netlink_unicast+0x449/0x710 [ 1267.486471][ T74] netlink_sendmsg+0x723/0xbe0 [ 1267.486471][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1267.486471][ T74] ___sys_sendmsg+0xee/0x170 [ 1267.486471][ T74] __sys_sendmsg+0xcd/0x170 [ 1267.486471][ T74] do_syscall_64+0xc6/0x1e0 [ 1267.486471][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1267.486471][ T74] [ 1267.489907][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1267.489907][ T74] netdev_get_by_index+0x5e/0x80 [ 1267.489907][ T74] fib6_nh_init+0x3d8/0x1580 [ 1267.489907][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1267.489907][ T74] ip6_route_add+0x1c/0x140 [ 1267.489907][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1267.489907][ T74] addrconf_add_dev+0xe2/0x170 [ 1267.489907][ T74] inet6_addr_add+0x12f/0xa40 [ 1267.489907][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1267.489907][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1267.489907][ T74] netlink_rcv_skb+0x130/0x360 [ 1267.489907][ T74] netlink_unicast+0x449/0x710 [ 1267.489907][ T74] netlink_sendmsg+0x723/0xbe0 [ 1267.489907][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1267.489907][ T74] ___sys_sendmsg+0xee/0x170 [ 1267.489907][ T74] __sys_sendmsg+0xcd/0x170 [ 1267.489907][ T74] do_syscall_64+0xc6/0x1e0 [ 1267.489907][ T74] [ 1267.493319][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1267.493319][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1267.493319][ T74] ipv6_find_idev+0x102/0x170 [ 1267.493319][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1267.493319][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1267.493319][ T74] netlink_rcv_skb+0x130/0x360 [ 1267.493319][ T74] netlink_unicast+0x449/0x710 [ 1267.493319][ T74] netlink_sendmsg+0x723/0xbe0 [ 1267.493319][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1267.493319][ T74] ___sys_sendmsg+0xee/0x170 [ 1267.493319][ T74] __sys_sendmsg+0xcd/0x170 [ 1267.493319][ T74] do_syscall_64+0xc6/0x1e0 [ 1267.493319][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1267.493319][ T74] [ 1267.496167][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1267.496167][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1267.496167][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1267.496167][ T74] ipv6_find_idev+0x102/0x170 [ 1267.496167][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1267.496167][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1267.496167][ T74] netlink_rcv_skb+0x130/0x360 [ 1267.496167][ T74] netlink_unicast+0x449/0x710 [ 1267.496167][ T74] netlink_sendmsg+0x723/0xbe0 [ 1267.496167][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1267.496167][ T74] ___sys_sendmsg+0xee/0x170 [ 1267.496167][ T74] __sys_sendmsg+0xcd/0x170 [ 1267.496167][ T74] do_syscall_64+0xc6/0x1e0 [ 1267.496167][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1267.496167][ T74] [ 1267.499313][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1267.499661][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1267.499661][ T74] netdev_get_by_index+0x5e/0x80 [ 1267.499661][ T74] fib6_nh_init+0x3d8/0x1580 [ 1267.499661][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1267.499661][ T74] ip6_route_add+0x1c/0x140 [ 1267.499661][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1267.499661][ T74] inet6_addr_add+0x4f8/0xa40 [ 1267.499661][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1267.499661][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1267.499661][ T74] netlink_rcv_skb+0x130/0x360 [ 1267.499661][ T74] netlink_unicast+0x449/0x710 [ 1267.499661][ T74] netlink_sendmsg+0x723/0xbe0 [ 1267.499661][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1267.499661][ T74] ___sys_sendmsg+0xee/0x170 [ 1267.499661][ T74] __sys_sendmsg+0xcd/0x170 [ 1267.499661][ T74] do_syscall_64+0xc6/0x1e0 [ 1267.499661][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1267.499661][ T74] [ 1267.503473][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1267.503473][ T74] netdev_get_by_index+0x5e/0x80 [ 1267.503473][ T74] fib6_nh_init+0x3d8/0x1580 [ 1267.503473][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1267.503473][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1267.503473][ T74] ipv6_add_addr+0x411/0x2000 [ 1267.503473][ T74] inet6_addr_add+0x30e/0xa40 [ 1267.503473][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1267.503473][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1267.503473][ T74] netlink_rcv_skb+0x130/0x360 [ 1267.503473][ T74] netlink_unicast+0x449/0x710 [ 1267.503473][ T74] netlink_sendmsg+0x723/0xbe0 [ 1267.503473][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1267.503473][ T74] ___sys_sendmsg+0xee/0x170 [ 1267.503473][ T74] __sys_sendmsg+0xcd/0x170 [ 1267.503473][ T74] do_syscall_64+0xc6/0x1e0 [ 1267.503473][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1267.503473][ T74] [ 1267.507058][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1267.507058][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1267.507058][ T74] ipv6_find_idev+0x102/0x170 [ 1267.507058][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1267.507058][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1267.507058][ T74] netlink_rcv_skb+0x130/0x360 [ 1267.507058][ T74] netlink_unicast+0x449/0x710 [ 1267.507058][ T74] netlink_sendmsg+0x723/0xbe0 [ 1267.507058][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1267.507058][ T74] ___sys_sendmsg+0xee/0x170 [ 1267.507058][ T74] __sys_sendmsg+0xcd/0x170 [ 1267.507058][ T74] do_syscall_64+0xc6/0x1e0 [ 1267.507058][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1267.507058][ T74] [ 1267.509059][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1267.509059][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1267.509059][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1267.509059][ T74] ipv6_find_idev+0x102/0x170 [ 1267.509059][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1267.509059][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1267.509059][ T74] netlink_rcv_skb+0x130/0x360 [ 1267.509059][ T74] netlink_unicast+0x449/0x710 [ 1267.509059][ T74] netlink_sendmsg+0x723/0xbe0 [ 1267.509059][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1267.509059][ T74] ___sys_sendmsg+0xee/0x170 [ 1267.509059][ T74] __sys_sendmsg+0xcd/0x170 [ 1267.509059][ T74] do_syscall_64+0xc6/0x1e0 [ 1267.509059][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1267.509059][ T74] [ 1277.599869][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1277.600272][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1277.600272][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1277.600272][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1277.600272][ T74] fib6_nh_init+0xa22/0x1580 [ 1277.600272][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1277.600272][ T74] ip6_route_add+0x1c/0x140 [ 1277.600272][ T74] inet6_rtm_newroute+0x104/0x110 [ 1277.600272][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1277.600272][ T74] netlink_rcv_skb+0x130/0x360 [ 1277.600272][ T74] netlink_unicast+0x449/0x710 [ 1277.600272][ T74] netlink_sendmsg+0x723/0xbe0 [ 1277.600272][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1277.600272][ T74] ___sys_sendmsg+0xee/0x170 [ 1277.600272][ T74] __sys_sendmsg+0xcd/0x170 [ 1277.600272][ T74] do_syscall_64+0xc6/0x1e0 [ 1277.600272][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1277.600272][ T74] [ 1277.602493][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1277.602493][ T74] netdev_get_by_index+0x5e/0x80 [ 1277.602493][ T74] fib6_nh_init+0x3d8/0x1580 [ 1277.602493][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1277.602493][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1277.602493][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1277.602493][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1277.602493][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1277.602493][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1277.602493][ T74] addrconf_dad_begin+0x310/0x670 [ 1277.602493][ T74] addrconf_dad_work+0x10b/0xab0 [ 1277.602493][ T74] process_one_work+0x84d/0x18a0 [ 1277.602493][ T74] worker_thread+0x587/0xd30 [ 1277.602493][ T74] kthread+0x28a/0x350 [ 1277.602493][ T74] ret_from_fork+0x31/0x70 [ 1277.602493][ T74] ret_from_fork_asm+0x1a/0x30 [ 1277.602493][ T74] [ 1277.604751][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1277.604751][ T74] netdev_get_by_index+0x5e/0x80 [ 1277.604751][ T74] fib6_nh_init+0x3d8/0x1580 [ 1277.604751][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1277.604751][ T74] ip6_route_add+0x1c/0x140 [ 1277.604751][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1277.604751][ T74] inet6_addr_add+0x4f8/0xa40 [ 1277.604751][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1277.604751][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1277.604751][ T74] netlink_rcv_skb+0x130/0x360 [ 1277.604751][ T74] netlink_unicast+0x449/0x710 [ 1277.604751][ T74] netlink_sendmsg+0x723/0xbe0 [ 1277.604751][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1277.604751][ T74] ___sys_sendmsg+0xee/0x170 [ 1277.604751][ T74] __sys_sendmsg+0xcd/0x170 [ 1277.604751][ T74] do_syscall_64+0xc6/0x1e0 [ 1277.604751][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1277.604751][ T74] [ 1277.607101][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1277.607101][ T74] netdev_get_by_index+0x5e/0x80 [ 1277.607101][ T74] fib6_nh_init+0x3d8/0x1580 [ 1277.607101][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1277.607101][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1277.607101][ T74] ipv6_add_addr+0x411/0x2000 [ 1277.607101][ T74] inet6_addr_add+0x30e/0xa40 [ 1277.607101][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1277.607101][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1277.607101][ T74] netlink_rcv_skb+0x130/0x360 [ 1277.607101][ T74] netlink_unicast+0x449/0x710 [ 1277.607101][ T74] netlink_sendmsg+0x723/0xbe0 [ 1277.607101][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1277.607101][ T74] ___sys_sendmsg+0xee/0x170 [ 1277.607101][ T74] __sys_sendmsg+0xcd/0x170 [ 1277.607101][ T74] do_syscall_64+0xc6/0x1e0 [ 1277.607101][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1277.607101][ T74] [ 1277.609420][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1277.609420][ T74] netdev_get_by_index+0x5e/0x80 [ 1277.609420][ T74] fib6_nh_init+0x3d8/0x1580 [ 1277.609420][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1277.609420][ T74] ip6_route_add+0x1c/0x140 [ 1277.609420][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1277.609420][ T74] addrconf_add_dev+0xe2/0x170 [ 1277.609420][ T74] inet6_addr_add+0x12f/0xa40 [ 1277.609420][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1277.609420][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1277.609420][ T74] netlink_rcv_skb+0x130/0x360 [ 1277.609420][ T74] netlink_unicast+0x449/0x710 [ 1277.609420][ T74] netlink_sendmsg+0x723/0xbe0 [ 1277.609420][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1277.609420][ T74] ___sys_sendmsg+0xee/0x170 [ 1277.609420][ T74] __sys_sendmsg+0xcd/0x170 [ 1277.609420][ T74] do_syscall_64+0xc6/0x1e0 [ 1277.609420][ T74] [ 1277.611660][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1277.611660][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1277.611660][ T74] ipv6_find_idev+0x102/0x170 [ 1277.611660][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1277.611660][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1277.611660][ T74] netlink_rcv_skb+0x130/0x360 [ 1277.611660][ T74] netlink_unicast+0x449/0x710 [ 1277.611660][ T74] netlink_sendmsg+0x723/0xbe0 [ 1277.611660][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1277.611660][ T74] ___sys_sendmsg+0xee/0x170 [ 1277.611660][ T74] __sys_sendmsg+0xcd/0x170 [ 1277.611660][ T74] do_syscall_64+0xc6/0x1e0 [ 1277.611660][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1277.611660][ T74] [ 1277.613438][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1277.613438][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1277.613438][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1277.613438][ T74] ipv6_find_idev+0x102/0x170 [ 1277.613438][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1277.613438][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1277.613438][ T74] netlink_rcv_skb+0x130/0x360 [ 1277.613438][ T74] netlink_unicast+0x449/0x710 [ 1277.613438][ T74] netlink_sendmsg+0x723/0xbe0 [ 1277.613438][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1277.613438][ T74] ___sys_sendmsg+0xee/0x170 [ 1277.613438][ T74] __sys_sendmsg+0xcd/0x170 [ 1277.613438][ T74] do_syscall_64+0xc6/0x1e0 [ 1277.613438][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1277.613438][ T74] [ 1277.615384][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1277.615699][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1277.615699][ T74] dst_init+0x84/0x4a0 [ 1277.615699][ T74] dst_alloc+0x97/0x150 [ 1277.615699][ T74] ip6_dst_alloc+0x23/0x90 [ 1277.615699][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1277.615699][ T74] ip6_pol_route+0x56f/0x840 [ 1277.615699][ T74] fib6_rule_lookup+0x456/0x630 [ 1277.615699][ T74] ip6_route_input+0x59c/0xa50 [ 1277.615699][ T74] ipv6_rcv+0x397/0x810 [ 1277.615699][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1277.615699][ T74] process_backlog+0x101/0x620 [ 1277.615699][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1277.615699][ T74] net_rx_action+0x495/0xbe0 [ 1277.615699][ T74] __do_softirq+0x1b5/0x7f6 [ 1277.615699][ T74] [ 1277.617569][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1277.617569][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1277.617569][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1277.617569][ T74] fib6_nh_init+0xa22/0x1580 [ 1277.617569][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1277.617569][ T74] ip6_route_add+0x1c/0x140 [ 1277.617569][ T74] inet6_rtm_newroute+0x104/0x110 [ 1277.617569][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1277.617569][ T74] netlink_rcv_skb+0x130/0x360 [ 1277.617569][ T74] netlink_unicast+0x449/0x710 [ 1277.617569][ T74] netlink_sendmsg+0x723/0xbe0 [ 1277.617569][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1277.617569][ T74] ___sys_sendmsg+0xee/0x170 [ 1277.617569][ T74] __sys_sendmsg+0xcd/0x170 [ 1277.617569][ T74] do_syscall_64+0xc6/0x1e0 [ 1277.617569][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1277.617569][ T74] [ 1277.619755][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1277.619755][ T74] netdev_get_by_index+0x5e/0x80 [ 1277.619755][ T74] fib6_nh_init+0x3d8/0x1580 [ 1277.619755][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1277.619755][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1277.619755][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1277.619755][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1277.619755][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1277.619755][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1277.619755][ T74] addrconf_dad_begin+0x310/0x670 [ 1277.619755][ T74] addrconf_dad_work+0x10b/0xab0 [ 1277.619755][ T74] process_one_work+0x84d/0x18a0 [ 1277.619755][ T74] worker_thread+0x587/0xd30 [ 1277.619755][ T74] kthread+0x28a/0x350 [ 1277.619755][ T74] ret_from_fork+0x31/0x70 [ 1277.619755][ T74] ret_from_fork_asm+0x1a/0x30 [ 1277.619755][ T74] [ 1277.621960][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1277.621960][ T74] netdev_get_by_index+0x5e/0x80 [ 1277.621960][ T74] fib6_nh_init+0x3d8/0x1580 [ 1277.621960][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1277.621960][ T74] ip6_route_add+0x1c/0x140 [ 1277.621960][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1277.621960][ T74] inet6_addr_add+0x4f8/0xa40 [ 1277.621960][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1277.621960][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1277.621960][ T74] netlink_rcv_skb+0x130/0x360 [ 1277.621960][ T74] netlink_unicast+0x449/0x710 [ 1277.621960][ T74] netlink_sendmsg+0x723/0xbe0 [ 1277.621960][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1277.621960][ T74] ___sys_sendmsg+0xee/0x170 [ 1277.621960][ T74] __sys_sendmsg+0xcd/0x170 [ 1277.621960][ T74] do_syscall_64+0xc6/0x1e0 [ 1277.621960][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1277.621960][ T74] [ 1277.624412][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1277.624412][ T74] netdev_get_by_index+0x5e/0x80 [ 1277.624412][ T74] fib6_nh_init+0x3d8/0x1580 [ 1277.624412][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1277.624412][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1277.624412][ T74] ipv6_add_addr+0x411/0x2000 [ 1277.624412][ T74] inet6_addr_add+0x30e/0xa40 [ 1277.624412][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1277.624412][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1277.624412][ T74] netlink_rcv_skb+0x130/0x360 [ 1277.624412][ T74] netlink_unicast+0x449/0x710 [ 1277.624412][ T74] netlink_sendmsg+0x723/0xbe0 [ 1277.624412][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1277.624412][ T74] ___sys_sendmsg+0xee/0x170 [ 1277.624412][ T74] __sys_sendmsg+0xcd/0x170 [ 1277.624412][ T74] do_syscall_64+0xc6/0x1e0 [ 1277.624412][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1277.624412][ T74] [ 1277.627130][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1277.627130][ T74] netdev_get_by_index+0x5e/0x80 [ 1277.627130][ T74] fib6_nh_init+0x3d8/0x1580 [ 1277.627130][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1277.627130][ T74] ip6_route_add+0x1c/0x140 [ 1277.627130][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1277.627130][ T74] addrconf_add_dev+0xe2/0x170 [ 1277.627130][ T74] inet6_addr_add+0x12f/0xa40 [ 1277.627130][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1277.627130][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1277.627130][ T74] netlink_rcv_skb+0x130/0x360 [ 1277.627130][ T74] netlink_unicast+0x449/0x710 [ 1277.627130][ T74] netlink_sendmsg+0x723/0xbe0 [ 1277.627130][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1277.627130][ T74] ___sys_sendmsg+0xee/0x170 [ 1277.627130][ T74] __sys_sendmsg+0xcd/0x170 [ 1277.627130][ T74] do_syscall_64+0xc6/0x1e0 [ 1277.627130][ T74] [ 1277.629382][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1277.629382][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1277.629382][ T74] ipv6_find_idev+0x102/0x170 [ 1277.629382][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1277.629382][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1277.629382][ T74] netlink_rcv_skb+0x130/0x360 [ 1277.629382][ T74] netlink_unicast+0x449/0x710 [ 1277.629382][ T74] netlink_sendmsg+0x723/0xbe0 [ 1277.629382][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1277.629382][ T74] ___sys_sendmsg+0xee/0x170 [ 1277.629382][ T74] __sys_sendmsg+0xcd/0x170 [ 1277.629382][ T74] do_syscall_64+0xc6/0x1e0 [ 1277.629382][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1277.629382][ T74] [ 1277.631336][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1277.631336][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1277.631336][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1277.631336][ T74] ipv6_find_idev+0x102/0x170 [ 1277.631336][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1277.631336][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1277.631336][ T74] netlink_rcv_skb+0x130/0x360 [ 1277.631336][ T74] netlink_unicast+0x449/0x710 [ 1277.631336][ T74] netlink_sendmsg+0x723/0xbe0 [ 1277.631336][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1277.631336][ T74] ___sys_sendmsg+0xee/0x170 [ 1277.631336][ T74] __sys_sendmsg+0xcd/0x170 [ 1277.631336][ T74] do_syscall_64+0xc6/0x1e0 [ 1277.631336][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1277.631336][ T74] [ 1277.633614][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1277.633878][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1277.633878][ T74] netdev_get_by_index+0x5e/0x80 [ 1277.633878][ T74] fib6_nh_init+0x3d8/0x1580 [ 1277.633878][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1277.633878][ T74] ip6_route_add+0x1c/0x140 [ 1277.633878][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1277.633878][ T74] inet6_addr_add+0x4f8/0xa40 [ 1277.633878][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1277.633878][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1277.633878][ T74] netlink_rcv_skb+0x130/0x360 [ 1277.633878][ T74] netlink_unicast+0x449/0x710 [ 1277.633878][ T74] netlink_sendmsg+0x723/0xbe0 [ 1277.633878][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1277.633878][ T74] ___sys_sendmsg+0xee/0x170 [ 1277.633878][ T74] __sys_sendmsg+0xcd/0x170 [ 1277.633878][ T74] do_syscall_64+0xc6/0x1e0 [ 1277.633878][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1277.633878][ T74] [ 1277.636538][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1277.636538][ T74] netdev_get_by_index+0x5e/0x80 [ 1277.636538][ T74] fib6_nh_init+0x3d8/0x1580 [ 1277.636538][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1277.636538][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1277.636538][ T74] ipv6_add_addr+0x411/0x2000 [ 1277.636538][ T74] inet6_addr_add+0x30e/0xa40 [ 1277.636538][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1277.636538][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1277.636538][ T74] netlink_rcv_skb+0x130/0x360 [ 1277.636538][ T74] netlink_unicast+0x449/0x710 [ 1277.636538][ T74] netlink_sendmsg+0x723/0xbe0 [ 1277.636538][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1277.636538][ T74] ___sys_sendmsg+0xee/0x170 [ 1277.636538][ T74] __sys_sendmsg+0xcd/0x170 [ 1277.636538][ T74] do_syscall_64+0xc6/0x1e0 [ 1277.636538][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1277.636538][ T74] [ 1277.639118][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1277.639118][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1277.639118][ T74] ipv6_find_idev+0x102/0x170 [ 1277.639118][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1277.639118][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1277.639118][ T74] netlink_rcv_skb+0x130/0x360 [ 1277.639118][ T74] netlink_unicast+0x449/0x710 [ 1277.639118][ T74] netlink_sendmsg+0x723/0xbe0 [ 1277.639118][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1277.639118][ T74] ___sys_sendmsg+0xee/0x170 [ 1277.639118][ T74] __sys_sendmsg+0xcd/0x170 [ 1277.639118][ T74] do_syscall_64+0xc6/0x1e0 [ 1277.639118][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1277.639118][ T74] [ 1277.641105][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1277.641105][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1277.641105][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1277.641105][ T74] ipv6_find_idev+0x102/0x170 [ 1277.641105][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1277.641105][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1277.641105][ T74] netlink_rcv_skb+0x130/0x360 [ 1277.641105][ T74] netlink_unicast+0x449/0x710 [ 1277.641105][ T74] netlink_sendmsg+0x723/0xbe0 [ 1277.641105][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1277.641105][ T74] ___sys_sendmsg+0xee/0x170 [ 1277.641105][ T74] __sys_sendmsg+0xcd/0x170 [ 1277.641105][ T74] do_syscall_64+0xc6/0x1e0 [ 1277.641105][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1277.641105][ T74] [ 1287.775968][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1287.776450][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1287.776450][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1287.776450][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1287.776450][ T74] fib6_nh_init+0xa22/0x1580 [ 1287.776450][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1287.776450][ T74] ip6_route_add+0x1c/0x140 [ 1287.776450][ T74] inet6_rtm_newroute+0x104/0x110 [ 1287.776450][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1287.776450][ T74] netlink_rcv_skb+0x130/0x360 [ 1287.776450][ T74] netlink_unicast+0x449/0x710 [ 1287.776450][ T74] netlink_sendmsg+0x723/0xbe0 [ 1287.776450][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1287.776450][ T74] ___sys_sendmsg+0xee/0x170 [ 1287.776450][ T74] __sys_sendmsg+0xcd/0x170 [ 1287.776450][ T74] do_syscall_64+0xc6/0x1e0 [ 1287.776450][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1287.776450][ T74] [ 1287.778452][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1287.778452][ T74] netdev_get_by_index+0x5e/0x80 [ 1287.778452][ T74] fib6_nh_init+0x3d8/0x1580 [ 1287.778452][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1287.778452][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1287.778452][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1287.778452][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1287.778452][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1287.778452][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1287.778452][ T74] addrconf_dad_begin+0x310/0x670 [ 1287.778452][ T74] addrconf_dad_work+0x10b/0xab0 [ 1287.778452][ T74] process_one_work+0x84d/0x18a0 [ 1287.778452][ T74] worker_thread+0x587/0xd30 [ 1287.778452][ T74] kthread+0x28a/0x350 [ 1287.778452][ T74] ret_from_fork+0x31/0x70 [ 1287.778452][ T74] ret_from_fork_asm+0x1a/0x30 [ 1287.778452][ T74] [ 1287.780514][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1287.780514][ T74] netdev_get_by_index+0x5e/0x80 [ 1287.780514][ T74] fib6_nh_init+0x3d8/0x1580 [ 1287.780514][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1287.780514][ T74] ip6_route_add+0x1c/0x140 [ 1287.780514][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1287.780514][ T74] inet6_addr_add+0x4f8/0xa40 [ 1287.780514][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1287.780514][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1287.780514][ T74] netlink_rcv_skb+0x130/0x360 [ 1287.780514][ T74] netlink_unicast+0x449/0x710 [ 1287.780514][ T74] netlink_sendmsg+0x723/0xbe0 [ 1287.780514][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1287.780514][ T74] ___sys_sendmsg+0xee/0x170 [ 1287.780514][ T74] __sys_sendmsg+0xcd/0x170 [ 1287.780514][ T74] do_syscall_64+0xc6/0x1e0 [ 1287.780514][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1287.780514][ T74] [ 1287.782743][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1287.782743][ T74] netdev_get_by_index+0x5e/0x80 [ 1287.782743][ T74] fib6_nh_init+0x3d8/0x1580 [ 1287.782743][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1287.782743][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1287.782743][ T74] ipv6_add_addr+0x411/0x2000 [ 1287.782743][ T74] inet6_addr_add+0x30e/0xa40 [ 1287.782743][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1287.782743][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1287.782743][ T74] netlink_rcv_skb+0x130/0x360 [ 1287.782743][ T74] netlink_unicast+0x449/0x710 [ 1287.782743][ T74] netlink_sendmsg+0x723/0xbe0 [ 1287.782743][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1287.782743][ T74] ___sys_sendmsg+0xee/0x170 [ 1287.782743][ T74] __sys_sendmsg+0xcd/0x170 [ 1287.782743][ T74] do_syscall_64+0xc6/0x1e0 [ 1287.782743][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1287.782743][ T74] [ 1287.785106][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1287.785106][ T74] netdev_get_by_index+0x5e/0x80 [ 1287.785106][ T74] fib6_nh_init+0x3d8/0x1580 [ 1287.785106][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1287.785106][ T74] ip6_route_add+0x1c/0x140 [ 1287.785106][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1287.785106][ T74] addrconf_add_dev+0xe2/0x170 [ 1287.785106][ T74] inet6_addr_add+0x12f/0xa40 [ 1287.785106][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1287.785106][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1287.785106][ T74] netlink_rcv_skb+0x130/0x360 [ 1287.785106][ T74] netlink_unicast+0x449/0x710 [ 1287.785106][ T74] netlink_sendmsg+0x723/0xbe0 [ 1287.785106][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1287.785106][ T74] ___sys_sendmsg+0xee/0x170 [ 1287.785106][ T74] __sys_sendmsg+0xcd/0x170 [ 1287.785106][ T74] do_syscall_64+0xc6/0x1e0 [ 1287.785106][ T74] [ 1287.787542][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1287.787542][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1287.787542][ T74] ipv6_find_idev+0x102/0x170 [ 1287.787542][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1287.787542][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1287.787542][ T74] netlink_rcv_skb+0x130/0x360 [ 1287.787542][ T74] netlink_unicast+0x449/0x710 [ 1287.787542][ T74] netlink_sendmsg+0x723/0xbe0 [ 1287.787542][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1287.787542][ T74] ___sys_sendmsg+0xee/0x170 [ 1287.787542][ T74] __sys_sendmsg+0xcd/0x170 [ 1287.787542][ T74] do_syscall_64+0xc6/0x1e0 [ 1287.787542][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1287.787542][ T74] [ 1287.789485][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1287.789485][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1287.789485][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1287.789485][ T74] ipv6_find_idev+0x102/0x170 [ 1287.789485][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1287.789485][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1287.789485][ T74] netlink_rcv_skb+0x130/0x360 [ 1287.789485][ T74] netlink_unicast+0x449/0x710 [ 1287.789485][ T74] netlink_sendmsg+0x723/0xbe0 [ 1287.789485][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1287.789485][ T74] ___sys_sendmsg+0xee/0x170 [ 1287.789485][ T74] __sys_sendmsg+0xcd/0x170 [ 1287.789485][ T74] do_syscall_64+0xc6/0x1e0 [ 1287.789485][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1287.789485][ T74] [ 1287.791740][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1287.792127][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1287.792127][ T74] dst_init+0x84/0x4a0 [ 1287.792127][ T74] dst_alloc+0x97/0x150 [ 1287.792127][ T74] ip6_dst_alloc+0x23/0x90 [ 1287.792127][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1287.792127][ T74] ip6_pol_route+0x56f/0x840 [ 1287.792127][ T74] fib6_rule_lookup+0x456/0x630 [ 1287.792127][ T74] ip6_route_input+0x59c/0xa50 [ 1287.792127][ T74] ipv6_rcv+0x397/0x810 [ 1287.792127][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1287.792127][ T74] process_backlog+0x101/0x620 [ 1287.792127][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1287.792127][ T74] net_rx_action+0x495/0xbe0 [ 1287.792127][ T74] __do_softirq+0x1b5/0x7f6 [ 1287.792127][ T74] [ 1287.794100][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1287.794100][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1287.794100][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1287.794100][ T74] fib6_nh_init+0xa22/0x1580 [ 1287.794100][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1287.794100][ T74] ip6_route_add+0x1c/0x140 [ 1287.794100][ T74] inet6_rtm_newroute+0x104/0x110 [ 1287.794100][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1287.794100][ T74] netlink_rcv_skb+0x130/0x360 [ 1287.794100][ T74] netlink_unicast+0x449/0x710 [ 1287.794100][ T74] netlink_sendmsg+0x723/0xbe0 [ 1287.794100][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1287.794100][ T74] ___sys_sendmsg+0xee/0x170 [ 1287.794100][ T74] __sys_sendmsg+0xcd/0x170 [ 1287.794100][ T74] do_syscall_64+0xc6/0x1e0 [ 1287.794100][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1287.794100][ T74] [ 1287.796198][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1287.796198][ T74] netdev_get_by_index+0x5e/0x80 [ 1287.796198][ T74] fib6_nh_init+0x3d8/0x1580 [ 1287.796198][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1287.796198][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1287.796198][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1287.796198][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1287.796198][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1287.796198][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1287.796198][ T74] addrconf_dad_begin+0x310/0x670 [ 1287.796198][ T74] addrconf_dad_work+0x10b/0xab0 [ 1287.796198][ T74] process_one_work+0x84d/0x18a0 [ 1287.796198][ T74] worker_thread+0x587/0xd30 [ 1287.796198][ T74] kthread+0x28a/0x350 [ 1287.796198][ T74] ret_from_fork+0x31/0x70 [ 1287.796198][ T74] ret_from_fork_asm+0x1a/0x30 [ 1287.796198][ T74] [ 1287.798182][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1287.798182][ T74] netdev_get_by_index+0x5e/0x80 [ 1287.798182][ T74] fib6_nh_init+0x3d8/0x1580 [ 1287.798182][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1287.798182][ T74] ip6_route_add+0x1c/0x140 [ 1287.798182][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1287.798182][ T74] inet6_addr_add+0x4f8/0xa40 [ 1287.798182][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1287.798182][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1287.798182][ T74] netlink_rcv_skb+0x130/0x360 [ 1287.798182][ T74] netlink_unicast+0x449/0x710 [ 1287.798182][ T74] netlink_sendmsg+0x723/0xbe0 [ 1287.798182][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1287.798182][ T74] ___sys_sendmsg+0xee/0x170 [ 1287.798182][ T74] __sys_sendmsg+0xcd/0x170 [ 1287.798182][ T74] do_syscall_64+0xc6/0x1e0 [ 1287.798182][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1287.798182][ T74] [ 1287.800504][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1287.800504][ T74] netdev_get_by_index+0x5e/0x80 [ 1287.800504][ T74] fib6_nh_init+0x3d8/0x1580 [ 1287.800504][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1287.800504][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1287.800504][ T74] ipv6_add_addr+0x411/0x2000 [ 1287.800504][ T74] inet6_addr_add+0x30e/0xa40 [ 1287.800504][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1287.800504][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1287.800504][ T74] netlink_rcv_skb+0x130/0x360 [ 1287.800504][ T74] netlink_unicast+0x449/0x710 [ 1287.800504][ T74] netlink_sendmsg+0x723/0xbe0 [ 1287.800504][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1287.800504][ T74] ___sys_sendmsg+0xee/0x170 [ 1287.800504][ T74] __sys_sendmsg+0xcd/0x170 [ 1287.800504][ T74] do_syscall_64+0xc6/0x1e0 [ 1287.800504][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1287.800504][ T74] [ 1287.802829][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1287.802829][ T74] netdev_get_by_index+0x5e/0x80 [ 1287.802829][ T74] fib6_nh_init+0x3d8/0x1580 [ 1287.802829][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1287.802829][ T74] ip6_route_add+0x1c/0x140 [ 1287.802829][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1287.802829][ T74] addrconf_add_dev+0xe2/0x170 [ 1287.802829][ T74] inet6_addr_add+0x12f/0xa40 [ 1287.802829][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1287.802829][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1287.802829][ T74] netlink_rcv_skb+0x130/0x360 [ 1287.802829][ T74] netlink_unicast+0x449/0x710 [ 1287.802829][ T74] netlink_sendmsg+0x723/0xbe0 [ 1287.802829][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1287.802829][ T74] ___sys_sendmsg+0xee/0x170 [ 1287.802829][ T74] __sys_sendmsg+0xcd/0x170 [ 1287.802829][ T74] do_syscall_64+0xc6/0x1e0 [ 1287.802829][ T74] [ 1287.805265][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1287.805265][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1287.805265][ T74] ipv6_find_idev+0x102/0x170 [ 1287.805265][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1287.805265][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1287.805265][ T74] netlink_rcv_skb+0x130/0x360 [ 1287.805265][ T74] netlink_unicast+0x449/0x710 [ 1287.805265][ T74] netlink_sendmsg+0x723/0xbe0 [ 1287.805265][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1287.805265][ T74] ___sys_sendmsg+0xee/0x170 [ 1287.805265][ T74] __sys_sendmsg+0xcd/0x170 [ 1287.805265][ T74] do_syscall_64+0xc6/0x1e0 [ 1287.805265][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1287.805265][ T74] [ 1287.807033][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1287.807033][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1287.807033][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1287.807033][ T74] ipv6_find_idev+0x102/0x170 [ 1287.807033][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1287.807033][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1287.807033][ T74] netlink_rcv_skb+0x130/0x360 [ 1287.807033][ T74] netlink_unicast+0x449/0x710 [ 1287.807033][ T74] netlink_sendmsg+0x723/0xbe0 [ 1287.807033][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1287.807033][ T74] ___sys_sendmsg+0xee/0x170 [ 1287.807033][ T74] __sys_sendmsg+0xcd/0x170 [ 1287.807033][ T74] do_syscall_64+0xc6/0x1e0 [ 1287.807033][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1287.807033][ T74] [ 1287.809045][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1287.809425][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1287.809425][ T74] netdev_get_by_index+0x5e/0x80 [ 1287.809425][ T74] fib6_nh_init+0x3d8/0x1580 [ 1287.809425][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1287.809425][ T74] ip6_route_add+0x1c/0x140 [ 1287.809425][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1287.809425][ T74] inet6_addr_add+0x4f8/0xa40 [ 1287.809425][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1287.809425][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1287.809425][ T74] netlink_rcv_skb+0x130/0x360 [ 1287.809425][ T74] netlink_unicast+0x449/0x710 [ 1287.809425][ T74] netlink_sendmsg+0x723/0xbe0 [ 1287.809425][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1287.809425][ T74] ___sys_sendmsg+0xee/0x170 [ 1287.809425][ T74] __sys_sendmsg+0xcd/0x170 [ 1287.809425][ T74] do_syscall_64+0xc6/0x1e0 [ 1287.809425][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1287.809425][ T74] [ 1287.811802][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1287.811802][ T74] netdev_get_by_index+0x5e/0x80 [ 1287.811802][ T74] fib6_nh_init+0x3d8/0x1580 [ 1287.811802][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1287.811802][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1287.811802][ T74] ipv6_add_addr+0x411/0x2000 [ 1287.811802][ T74] inet6_addr_add+0x30e/0xa40 [ 1287.811802][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1287.811802][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1287.811802][ T74] netlink_rcv_skb+0x130/0x360 [ 1287.811802][ T74] netlink_unicast+0x449/0x710 [ 1287.811802][ T74] netlink_sendmsg+0x723/0xbe0 [ 1287.811802][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1287.811802][ T74] ___sys_sendmsg+0xee/0x170 [ 1287.811802][ T74] __sys_sendmsg+0xcd/0x170 [ 1287.811802][ T74] do_syscall_64+0xc6/0x1e0 [ 1287.811802][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1287.811802][ T74] [ 1287.814261][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1287.814261][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1287.814261][ T74] ipv6_find_idev+0x102/0x170 [ 1287.814261][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1287.814261][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1287.814261][ T74] netlink_rcv_skb+0x130/0x360 [ 1287.814261][ T74] netlink_unicast+0x449/0x710 [ 1287.814261][ T74] netlink_sendmsg+0x723/0xbe0 [ 1287.814261][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1287.814261][ T74] ___sys_sendmsg+0xee/0x170 [ 1287.814261][ T74] __sys_sendmsg+0xcd/0x170 [ 1287.814261][ T74] do_syscall_64+0xc6/0x1e0 [ 1287.814261][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1287.814261][ T74] [ 1287.816090][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1287.816090][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1287.816090][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1287.816090][ T74] ipv6_find_idev+0x102/0x170 [ 1287.816090][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1287.816090][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1287.816090][ T74] netlink_rcv_skb+0x130/0x360 [ 1287.816090][ T74] netlink_unicast+0x449/0x710 [ 1287.816090][ T74] netlink_sendmsg+0x723/0xbe0 [ 1287.816090][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1287.816090][ T74] ___sys_sendmsg+0xee/0x170 [ 1287.816090][ T74] __sys_sendmsg+0xcd/0x170 [ 1287.816090][ T74] do_syscall_64+0xc6/0x1e0 [ 1287.816090][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1287.816090][ T74] [ 1297.928601][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1297.929081][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1297.929081][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1297.929081][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1297.929081][ T74] fib6_nh_init+0xa22/0x1580 [ 1297.929081][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1297.929081][ T74] ip6_route_add+0x1c/0x140 [ 1297.929081][ T74] inet6_rtm_newroute+0x104/0x110 [ 1297.929081][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1297.929081][ T74] netlink_rcv_skb+0x130/0x360 [ 1297.929081][ T74] netlink_unicast+0x449/0x710 [ 1297.929081][ T74] netlink_sendmsg+0x723/0xbe0 [ 1297.929081][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1297.929081][ T74] ___sys_sendmsg+0xee/0x170 [ 1297.929081][ T74] __sys_sendmsg+0xcd/0x170 [ 1297.929081][ T74] do_syscall_64+0xc6/0x1e0 [ 1297.929081][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1297.929081][ T74] [ 1297.931065][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1297.931065][ T74] netdev_get_by_index+0x5e/0x80 [ 1297.931065][ T74] fib6_nh_init+0x3d8/0x1580 [ 1297.931065][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1297.931065][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1297.931065][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1297.931065][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1297.931065][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1297.931065][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1297.931065][ T74] addrconf_dad_begin+0x310/0x670 [ 1297.931065][ T74] addrconf_dad_work+0x10b/0xab0 [ 1297.931065][ T74] process_one_work+0x84d/0x18a0 [ 1297.931065][ T74] worker_thread+0x587/0xd30 [ 1297.931065][ T74] kthread+0x28a/0x350 [ 1297.931065][ T74] ret_from_fork+0x31/0x70 [ 1297.931065][ T74] ret_from_fork_asm+0x1a/0x30 [ 1297.931065][ T74] [ 1297.933199][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1297.933199][ T74] netdev_get_by_index+0x5e/0x80 [ 1297.933199][ T74] fib6_nh_init+0x3d8/0x1580 [ 1297.933199][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1297.933199][ T74] ip6_route_add+0x1c/0x140 [ 1297.933199][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1297.933199][ T74] inet6_addr_add+0x4f8/0xa40 [ 1297.933199][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1297.933199][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1297.933199][ T74] netlink_rcv_skb+0x130/0x360 [ 1297.933199][ T74] netlink_unicast+0x449/0x710 [ 1297.933199][ T74] netlink_sendmsg+0x723/0xbe0 [ 1297.933199][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1297.933199][ T74] ___sys_sendmsg+0xee/0x170 [ 1297.933199][ T74] __sys_sendmsg+0xcd/0x170 [ 1297.933199][ T74] do_syscall_64+0xc6/0x1e0 [ 1297.933199][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1297.933199][ T74] [ 1297.935395][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1297.935395][ T74] netdev_get_by_index+0x5e/0x80 [ 1297.935395][ T74] fib6_nh_init+0x3d8/0x1580 [ 1297.935395][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1297.935395][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1297.935395][ T74] ipv6_add_addr+0x411/0x2000 [ 1297.935395][ T74] inet6_addr_add+0x30e/0xa40 [ 1297.935395][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1297.935395][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1297.935395][ T74] netlink_rcv_skb+0x130/0x360 [ 1297.935395][ T74] netlink_unicast+0x449/0x710 [ 1297.935395][ T74] netlink_sendmsg+0x723/0xbe0 [ 1297.935395][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1297.935395][ T74] ___sys_sendmsg+0xee/0x170 [ 1297.935395][ T74] __sys_sendmsg+0xcd/0x170 [ 1297.935395][ T74] do_syscall_64+0xc6/0x1e0 [ 1297.935395][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1297.935395][ T74] [ 1297.937548][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1297.937548][ T74] netdev_get_by_index+0x5e/0x80 [ 1297.937548][ T74] fib6_nh_init+0x3d8/0x1580 [ 1297.937548][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1297.937548][ T74] ip6_route_add+0x1c/0x140 [ 1297.937548][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1297.937548][ T74] addrconf_add_dev+0xe2/0x170 [ 1297.937548][ T74] inet6_addr_add+0x12f/0xa40 [ 1297.937548][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1297.937548][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1297.937548][ T74] netlink_rcv_skb+0x130/0x360 [ 1297.937548][ T74] netlink_unicast+0x449/0x710 [ 1297.937548][ T74] netlink_sendmsg+0x723/0xbe0 [ 1297.937548][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1297.937548][ T74] ___sys_sendmsg+0xee/0x170 [ 1297.937548][ T74] __sys_sendmsg+0xcd/0x170 [ 1297.937548][ T74] do_syscall_64+0xc6/0x1e0 [ 1297.937548][ T74] [ 1297.939887][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1297.939887][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1297.939887][ T74] ipv6_find_idev+0x102/0x170 [ 1297.939887][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1297.939887][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1297.939887][ T74] netlink_rcv_skb+0x130/0x360 [ 1297.939887][ T74] netlink_unicast+0x449/0x710 [ 1297.939887][ T74] netlink_sendmsg+0x723/0xbe0 [ 1297.939887][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1297.939887][ T74] ___sys_sendmsg+0xee/0x170 [ 1297.939887][ T74] __sys_sendmsg+0xcd/0x170 [ 1297.939887][ T74] do_syscall_64+0xc6/0x1e0 [ 1297.939887][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1297.939887][ T74] [ 1297.941782][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1297.941782][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1297.941782][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1297.941782][ T74] ipv6_find_idev+0x102/0x170 [ 1297.941782][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1297.941782][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1297.941782][ T74] netlink_rcv_skb+0x130/0x360 [ 1297.941782][ T74] netlink_unicast+0x449/0x710 [ 1297.941782][ T74] netlink_sendmsg+0x723/0xbe0 [ 1297.941782][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1297.941782][ T74] ___sys_sendmsg+0xee/0x170 [ 1297.941782][ T74] __sys_sendmsg+0xcd/0x170 [ 1297.941782][ T74] do_syscall_64+0xc6/0x1e0 [ 1297.941782][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1297.941782][ T74] [ 1297.943939][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1297.944282][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1297.944282][ T74] dst_init+0x84/0x4a0 [ 1297.944282][ T74] dst_alloc+0x97/0x150 [ 1297.944282][ T74] ip6_dst_alloc+0x23/0x90 [ 1297.944282][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1297.944282][ T74] ip6_pol_route+0x56f/0x840 [ 1297.944282][ T74] fib6_rule_lookup+0x456/0x630 [ 1297.944282][ T74] ip6_route_input+0x59c/0xa50 [ 1297.944282][ T74] ipv6_rcv+0x397/0x810 [ 1297.944282][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1297.944282][ T74] process_backlog+0x101/0x620 [ 1297.944282][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1297.944282][ T74] net_rx_action+0x495/0xbe0 [ 1297.944282][ T74] __do_softirq+0x1b5/0x7f6 [ 1297.944282][ T74] [ 1297.946251][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1297.946251][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1297.946251][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1297.946251][ T74] fib6_nh_init+0xa22/0x1580 [ 1297.946251][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1297.946251][ T74] ip6_route_add+0x1c/0x140 [ 1297.946251][ T74] inet6_rtm_newroute+0x104/0x110 [ 1297.946251][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1297.946251][ T74] netlink_rcv_skb+0x130/0x360 [ 1297.946251][ T74] netlink_unicast+0x449/0x710 [ 1297.946251][ T74] netlink_sendmsg+0x723/0xbe0 [ 1297.946251][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1297.946251][ T74] ___sys_sendmsg+0xee/0x170 [ 1297.946251][ T74] __sys_sendmsg+0xcd/0x170 [ 1297.946251][ T74] do_syscall_64+0xc6/0x1e0 [ 1297.946251][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1297.946251][ T74] [ 1297.948630][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1297.948630][ T74] netdev_get_by_index+0x5e/0x80 [ 1297.948630][ T74] fib6_nh_init+0x3d8/0x1580 [ 1297.948630][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1297.948630][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1297.948630][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1297.948630][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1297.948630][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1297.948630][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1297.948630][ T74] addrconf_dad_begin+0x310/0x670 [ 1297.948630][ T74] addrconf_dad_work+0x10b/0xab0 [ 1297.948630][ T74] process_one_work+0x84d/0x18a0 [ 1297.948630][ T74] worker_thread+0x587/0xd30 [ 1297.948630][ T74] kthread+0x28a/0x350 [ 1297.948630][ T74] ret_from_fork+0x31/0x70 [ 1297.948630][ T74] ret_from_fork_asm+0x1a/0x30 [ 1297.948630][ T74] [ 1297.950860][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1297.950860][ T74] netdev_get_by_index+0x5e/0x80 [ 1297.950860][ T74] fib6_nh_init+0x3d8/0x1580 [ 1297.950860][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1297.950860][ T74] ip6_route_add+0x1c/0x140 [ 1297.950860][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1297.950860][ T74] inet6_addr_add+0x4f8/0xa40 [ 1297.950860][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1297.950860][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1297.950860][ T74] netlink_rcv_skb+0x130/0x360 [ 1297.950860][ T74] netlink_unicast+0x449/0x710 [ 1297.950860][ T74] netlink_sendmsg+0x723/0xbe0 [ 1297.950860][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1297.950860][ T74] ___sys_sendmsg+0xee/0x170 [ 1297.950860][ T74] __sys_sendmsg+0xcd/0x170 [ 1297.950860][ T74] do_syscall_64+0xc6/0x1e0 [ 1297.950860][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1297.950860][ T74] [ 1297.953255][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1297.953255][ T74] netdev_get_by_index+0x5e/0x80 [ 1297.953255][ T74] fib6_nh_init+0x3d8/0x1580 [ 1297.953255][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1297.953255][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1297.953255][ T74] ipv6_add_addr+0x411/0x2000 [ 1297.953255][ T74] inet6_addr_add+0x30e/0xa40 [ 1297.953255][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1297.953255][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1297.953255][ T74] netlink_rcv_skb+0x130/0x360 [ 1297.953255][ T74] netlink_unicast+0x449/0x710 [ 1297.953255][ T74] netlink_sendmsg+0x723/0xbe0 [ 1297.953255][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1297.953255][ T74] ___sys_sendmsg+0xee/0x170 [ 1297.953255][ T74] __sys_sendmsg+0xcd/0x170 [ 1297.953255][ T74] do_syscall_64+0xc6/0x1e0 [ 1297.953255][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1297.953255][ T74] [ 1297.955638][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1297.955638][ T74] netdev_get_by_index+0x5e/0x80 [ 1297.955638][ T74] fib6_nh_init+0x3d8/0x1580 [ 1297.955638][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1297.955638][ T74] ip6_route_add+0x1c/0x140 [ 1297.955638][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1297.955638][ T74] addrconf_add_dev+0xe2/0x170 [ 1297.955638][ T74] inet6_addr_add+0x12f/0xa40 [ 1297.955638][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1297.955638][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1297.955638][ T74] netlink_rcv_skb+0x130/0x360 [ 1297.955638][ T74] netlink_unicast+0x449/0x710 [ 1297.955638][ T74] netlink_sendmsg+0x723/0xbe0 [ 1297.955638][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1297.955638][ T74] ___sys_sendmsg+0xee/0x170 [ 1297.955638][ T74] __sys_sendmsg+0xcd/0x170 [ 1297.955638][ T74] do_syscall_64+0xc6/0x1e0 [ 1297.955638][ T74] [ 1297.958055][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1297.958055][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1297.958055][ T74] ipv6_find_idev+0x102/0x170 [ 1297.958055][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1297.958055][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1297.958055][ T74] netlink_rcv_skb+0x130/0x360 [ 1297.958055][ T74] netlink_unicast+0x449/0x710 [ 1297.958055][ T74] netlink_sendmsg+0x723/0xbe0 [ 1297.958055][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1297.958055][ T74] ___sys_sendmsg+0xee/0x170 [ 1297.958055][ T74] __sys_sendmsg+0xcd/0x170 [ 1297.958055][ T74] do_syscall_64+0xc6/0x1e0 [ 1297.958055][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1297.958055][ T74] [ 1297.960031][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1297.960031][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1297.960031][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1297.960031][ T74] ipv6_find_idev+0x102/0x170 [ 1297.960031][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1297.960031][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1297.960031][ T74] netlink_rcv_skb+0x130/0x360 [ 1297.960031][ T74] netlink_unicast+0x449/0x710 [ 1297.960031][ T74] netlink_sendmsg+0x723/0xbe0 [ 1297.960031][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1297.960031][ T74] ___sys_sendmsg+0xee/0x170 [ 1297.960031][ T74] __sys_sendmsg+0xcd/0x170 [ 1297.960031][ T74] do_syscall_64+0xc6/0x1e0 [ 1297.960031][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1297.960031][ T74] [ 1297.961975][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1297.962292][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1297.962292][ T74] netdev_get_by_index+0x5e/0x80 [ 1297.962292][ T74] fib6_nh_init+0x3d8/0x1580 [ 1297.962292][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1297.962292][ T74] ip6_route_add+0x1c/0x140 [ 1297.962292][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1297.962292][ T74] inet6_addr_add+0x4f8/0xa40 [ 1297.962292][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1297.962292][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1297.962292][ T74] netlink_rcv_skb+0x130/0x360 [ 1297.962292][ T74] netlink_unicast+0x449/0x710 [ 1297.962292][ T74] netlink_sendmsg+0x723/0xbe0 [ 1297.962292][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1297.962292][ T74] ___sys_sendmsg+0xee/0x170 [ 1297.962292][ T74] __sys_sendmsg+0xcd/0x170 [ 1297.962292][ T74] do_syscall_64+0xc6/0x1e0 [ 1297.962292][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1297.962292][ T74] [ 1297.964519][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1297.964519][ T74] netdev_get_by_index+0x5e/0x80 [ 1297.964519][ T74] fib6_nh_init+0x3d8/0x1580 [ 1297.964519][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1297.964519][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1297.964519][ T74] ipv6_add_addr+0x411/0x2000 [ 1297.964519][ T74] inet6_addr_add+0x30e/0xa40 [ 1297.964519][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1297.964519][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1297.964519][ T74] netlink_rcv_skb+0x130/0x360 [ 1297.964519][ T74] netlink_unicast+0x449/0x710 [ 1297.964519][ T74] netlink_sendmsg+0x723/0xbe0 [ 1297.964519][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1297.964519][ T74] ___sys_sendmsg+0xee/0x170 [ 1297.964519][ T74] __sys_sendmsg+0xcd/0x170 [ 1297.964519][ T74] do_syscall_64+0xc6/0x1e0 [ 1297.964519][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1297.964519][ T74] [ 1297.966965][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1297.966965][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1297.966965][ T74] ipv6_find_idev+0x102/0x170 [ 1297.966965][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1297.966965][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1297.966965][ T74] netlink_rcv_skb+0x130/0x360 [ 1297.966965][ T74] netlink_unicast+0x449/0x710 [ 1297.966965][ T74] netlink_sendmsg+0x723/0xbe0 [ 1297.966965][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1297.966965][ T74] ___sys_sendmsg+0xee/0x170 [ 1297.966965][ T74] __sys_sendmsg+0xcd/0x170 [ 1297.966965][ T74] do_syscall_64+0xc6/0x1e0 [ 1297.966965][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1297.966965][ T74] [ 1297.968933][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1297.968933][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1297.968933][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1297.968933][ T74] ipv6_find_idev+0x102/0x170 [ 1297.968933][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1297.968933][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1297.968933][ T74] netlink_rcv_skb+0x130/0x360 [ 1297.968933][ T74] netlink_unicast+0x449/0x710 [ 1297.968933][ T74] netlink_sendmsg+0x723/0xbe0 [ 1297.968933][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1297.968933][ T74] ___sys_sendmsg+0xee/0x170 [ 1297.968933][ T74] __sys_sendmsg+0xcd/0x170 [ 1297.968933][ T74] do_syscall_64+0xc6/0x1e0 [ 1297.968933][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1297.968933][ T74] [ 1308.104867][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1308.105299][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1308.105299][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1308.105299][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1308.105299][ T74] fib6_nh_init+0xa22/0x1580 [ 1308.105299][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1308.105299][ T74] ip6_route_add+0x1c/0x140 [ 1308.105299][ T74] inet6_rtm_newroute+0x104/0x110 [ 1308.105299][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1308.105299][ T74] netlink_rcv_skb+0x130/0x360 [ 1308.105299][ T74] netlink_unicast+0x449/0x710 [ 1308.105299][ T74] netlink_sendmsg+0x723/0xbe0 [ 1308.105299][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1308.105299][ T74] ___sys_sendmsg+0xee/0x170 [ 1308.105299][ T74] __sys_sendmsg+0xcd/0x170 [ 1308.105299][ T74] do_syscall_64+0xc6/0x1e0 [ 1308.105299][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1308.105299][ T74] [ 1308.107305][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1308.107305][ T74] netdev_get_by_index+0x5e/0x80 [ 1308.107305][ T74] fib6_nh_init+0x3d8/0x1580 [ 1308.107305][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1308.107305][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1308.107305][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1308.107305][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1308.107305][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1308.107305][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1308.107305][ T74] addrconf_dad_begin+0x310/0x670 [ 1308.107305][ T74] addrconf_dad_work+0x10b/0xab0 [ 1308.107305][ T74] process_one_work+0x84d/0x18a0 [ 1308.107305][ T74] worker_thread+0x587/0xd30 [ 1308.107305][ T74] kthread+0x28a/0x350 [ 1308.107305][ T74] ret_from_fork+0x31/0x70 [ 1308.107305][ T74] ret_from_fork_asm+0x1a/0x30 [ 1308.107305][ T74] [ 1308.109333][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1308.109333][ T74] netdev_get_by_index+0x5e/0x80 [ 1308.109333][ T74] fib6_nh_init+0x3d8/0x1580 [ 1308.109333][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1308.109333][ T74] ip6_route_add+0x1c/0x140 [ 1308.109333][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1308.109333][ T74] inet6_addr_add+0x4f8/0xa40 [ 1308.109333][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1308.109333][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1308.109333][ T74] netlink_rcv_skb+0x130/0x360 [ 1308.109333][ T74] netlink_unicast+0x449/0x710 [ 1308.109333][ T74] netlink_sendmsg+0x723/0xbe0 [ 1308.109333][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1308.109333][ T74] ___sys_sendmsg+0xee/0x170 [ 1308.109333][ T74] __sys_sendmsg+0xcd/0x170 [ 1308.109333][ T74] do_syscall_64+0xc6/0x1e0 [ 1308.109333][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1308.109333][ T74] [ 1308.111676][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1308.111676][ T74] netdev_get_by_index+0x5e/0x80 [ 1308.111676][ T74] fib6_nh_init+0x3d8/0x1580 [ 1308.111676][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1308.111676][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1308.111676][ T74] ipv6_add_addr+0x411/0x2000 [ 1308.111676][ T74] inet6_addr_add+0x30e/0xa40 [ 1308.111676][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1308.111676][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1308.111676][ T74] netlink_rcv_skb+0x130/0x360 [ 1308.111676][ T74] netlink_unicast+0x449/0x710 [ 1308.111676][ T74] netlink_sendmsg+0x723/0xbe0 [ 1308.111676][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1308.111676][ T74] ___sys_sendmsg+0xee/0x170 [ 1308.111676][ T74] __sys_sendmsg+0xcd/0x170 [ 1308.111676][ T74] do_syscall_64+0xc6/0x1e0 [ 1308.111676][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1308.111676][ T74] [ 1308.113816][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1308.113816][ T74] netdev_get_by_index+0x5e/0x80 [ 1308.113816][ T74] fib6_nh_init+0x3d8/0x1580 [ 1308.113816][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1308.113816][ T74] ip6_route_add+0x1c/0x140 [ 1308.113816][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1308.113816][ T74] addrconf_add_dev+0xe2/0x170 [ 1308.113816][ T74] inet6_addr_add+0x12f/0xa40 [ 1308.113816][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1308.113816][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1308.113816][ T74] netlink_rcv_skb+0x130/0x360 [ 1308.113816][ T74] netlink_unicast+0x449/0x710 [ 1308.113816][ T74] netlink_sendmsg+0x723/0xbe0 [ 1308.113816][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1308.113816][ T74] ___sys_sendmsg+0xee/0x170 [ 1308.113816][ T74] __sys_sendmsg+0xcd/0x170 [ 1308.113816][ T74] do_syscall_64+0xc6/0x1e0 [ 1308.113816][ T74] [ 1308.115917][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1308.115917][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1308.115917][ T74] ipv6_find_idev+0x102/0x170 [ 1308.115917][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1308.115917][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1308.115917][ T74] netlink_rcv_skb+0x130/0x360 [ 1308.115917][ T74] netlink_unicast+0x449/0x710 [ 1308.115917][ T74] netlink_sendmsg+0x723/0xbe0 [ 1308.115917][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1308.115917][ T74] ___sys_sendmsg+0xee/0x170 [ 1308.115917][ T74] __sys_sendmsg+0xcd/0x170 [ 1308.115917][ T74] do_syscall_64+0xc6/0x1e0 [ 1308.115917][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1308.115917][ T74] [ 1308.117630][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1308.117630][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1308.117630][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1308.117630][ T74] ipv6_find_idev+0x102/0x170 [ 1308.117630][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1308.117630][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1308.117630][ T74] netlink_rcv_skb+0x130/0x360 [ 1308.117630][ T74] netlink_unicast+0x449/0x710 [ 1308.117630][ T74] netlink_sendmsg+0x723/0xbe0 [ 1308.117630][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1308.117630][ T74] ___sys_sendmsg+0xee/0x170 [ 1308.117630][ T74] __sys_sendmsg+0xcd/0x170 [ 1308.117630][ T74] do_syscall_64+0xc6/0x1e0 [ 1308.117630][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1308.117630][ T74] [ 1308.119423][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1308.119710][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1308.119710][ T74] dst_init+0x84/0x4a0 [ 1308.119710][ T74] dst_alloc+0x97/0x150 [ 1308.119710][ T74] ip6_dst_alloc+0x23/0x90 [ 1308.119710][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1308.119710][ T74] ip6_pol_route+0x56f/0x840 [ 1308.119710][ T74] fib6_rule_lookup+0x456/0x630 [ 1308.119710][ T74] ip6_route_input+0x59c/0xa50 [ 1308.119710][ T74] ipv6_rcv+0x397/0x810 [ 1308.119710][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1308.119710][ T74] process_backlog+0x101/0x620 [ 1308.119710][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1308.119710][ T74] net_rx_action+0x495/0xbe0 [ 1308.119710][ T74] __do_softirq+0x1b5/0x7f6 [ 1308.119710][ T74] [ 1308.121415][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1308.121415][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1308.121415][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1308.121415][ T74] fib6_nh_init+0xa22/0x1580 [ 1308.121415][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1308.121415][ T74] ip6_route_add+0x1c/0x140 [ 1308.121415][ T74] inet6_rtm_newroute+0x104/0x110 [ 1308.121415][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1308.121415][ T74] netlink_rcv_skb+0x130/0x360 [ 1308.121415][ T74] netlink_unicast+0x449/0x710 [ 1308.121415][ T74] netlink_sendmsg+0x723/0xbe0 [ 1308.121415][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1308.121415][ T74] ___sys_sendmsg+0xee/0x170 [ 1308.121415][ T74] __sys_sendmsg+0xcd/0x170 [ 1308.121415][ T74] do_syscall_64+0xc6/0x1e0 [ 1308.121415][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1308.121415][ T74] [ 1308.123785][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1308.123785][ T74] netdev_get_by_index+0x5e/0x80 [ 1308.123785][ T74] fib6_nh_init+0x3d8/0x1580 [ 1308.123785][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1308.123785][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1308.123785][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1308.123785][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1308.123785][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1308.123785][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1308.123785][ T74] addrconf_dad_begin+0x310/0x670 [ 1308.123785][ T74] addrconf_dad_work+0x10b/0xab0 [ 1308.123785][ T74] process_one_work+0x84d/0x18a0 [ 1308.123785][ T74] worker_thread+0x587/0xd30 [ 1308.123785][ T74] kthread+0x28a/0x350 [ 1308.123785][ T74] ret_from_fork+0x31/0x70 [ 1308.123785][ T74] ret_from_fork_asm+0x1a/0x30 [ 1308.123785][ T74] [ 1308.125921][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1308.125921][ T74] netdev_get_by_index+0x5e/0x80 [ 1308.125921][ T74] fib6_nh_init+0x3d8/0x1580 [ 1308.125921][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1308.125921][ T74] ip6_route_add+0x1c/0x140 [ 1308.125921][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1308.125921][ T74] inet6_addr_add+0x4f8/0xa40 [ 1308.125921][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1308.125921][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1308.125921][ T74] netlink_rcv_skb+0x130/0x360 [ 1308.125921][ T74] netlink_unicast+0x449/0x710 [ 1308.125921][ T74] netlink_sendmsg+0x723/0xbe0 [ 1308.125921][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1308.125921][ T74] ___sys_sendmsg+0xee/0x170 [ 1308.125921][ T74] __sys_sendmsg+0xcd/0x170 [ 1308.125921][ T74] do_syscall_64+0xc6/0x1e0 [ 1308.125921][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1308.125921][ T74] [ 1308.128489][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1308.128489][ T74] netdev_get_by_index+0x5e/0x80 [ 1308.128489][ T74] fib6_nh_init+0x3d8/0x1580 [ 1308.128489][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1308.128489][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1308.128489][ T74] ipv6_add_addr+0x411/0x2000 [ 1308.128489][ T74] inet6_addr_add+0x30e/0xa40 [ 1308.128489][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1308.128489][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1308.128489][ T74] netlink_rcv_skb+0x130/0x360 [ 1308.128489][ T74] netlink_unicast+0x449/0x710 [ 1308.128489][ T74] netlink_sendmsg+0x723/0xbe0 [ 1308.128489][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1308.128489][ T74] ___sys_sendmsg+0xee/0x170 [ 1308.128489][ T74] __sys_sendmsg+0xcd/0x170 [ 1308.128489][ T74] do_syscall_64+0xc6/0x1e0 [ 1308.128489][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1308.128489][ T74] [ 1308.130978][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1308.130978][ T74] netdev_get_by_index+0x5e/0x80 [ 1308.130978][ T74] fib6_nh_init+0x3d8/0x1580 [ 1308.130978][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1308.130978][ T74] ip6_route_add+0x1c/0x140 [ 1308.130978][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1308.130978][ T74] addrconf_add_dev+0xe2/0x170 [ 1308.130978][ T74] inet6_addr_add+0x12f/0xa40 [ 1308.130978][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1308.130978][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1308.130978][ T74] netlink_rcv_skb+0x130/0x360 [ 1308.130978][ T74] netlink_unicast+0x449/0x710 [ 1308.130978][ T74] netlink_sendmsg+0x723/0xbe0 [ 1308.130978][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1308.130978][ T74] ___sys_sendmsg+0xee/0x170 [ 1308.130978][ T74] __sys_sendmsg+0xcd/0x170 [ 1308.130978][ T74] do_syscall_64+0xc6/0x1e0 [ 1308.130978][ T74] [ 1308.133392][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1308.133392][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1308.133392][ T74] ipv6_find_idev+0x102/0x170 [ 1308.133392][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1308.133392][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1308.133392][ T74] netlink_rcv_skb+0x130/0x360 [ 1308.133392][ T74] netlink_unicast+0x449/0x710 [ 1308.133392][ T74] netlink_sendmsg+0x723/0xbe0 [ 1308.133392][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1308.133392][ T74] ___sys_sendmsg+0xee/0x170 [ 1308.133392][ T74] __sys_sendmsg+0xcd/0x170 [ 1308.133392][ T74] do_syscall_64+0xc6/0x1e0 [ 1308.133392][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1308.133392][ T74] [ 1308.135243][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1308.135243][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1308.135243][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1308.135243][ T74] ipv6_find_idev+0x102/0x170 [ 1308.135243][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1308.135243][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1308.135243][ T74] netlink_rcv_skb+0x130/0x360 [ 1308.135243][ T74] netlink_unicast+0x449/0x710 [ 1308.135243][ T74] netlink_sendmsg+0x723/0xbe0 [ 1308.135243][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1308.135243][ T74] ___sys_sendmsg+0xee/0x170 [ 1308.135243][ T74] __sys_sendmsg+0xcd/0x170 [ 1308.135243][ T74] do_syscall_64+0xc6/0x1e0 [ 1308.135243][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1308.135243][ T74] [ 1308.137782][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1308.138112][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1308.138112][ T74] netdev_get_by_index+0x5e/0x80 [ 1308.138112][ T74] fib6_nh_init+0x3d8/0x1580 [ 1308.138112][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1308.138112][ T74] ip6_route_add+0x1c/0x140 [ 1308.138112][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1308.138112][ T74] inet6_addr_add+0x4f8/0xa40 [ 1308.138112][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1308.138112][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1308.138112][ T74] netlink_rcv_skb+0x130/0x360 [ 1308.138112][ T74] netlink_unicast+0x449/0x710 [ 1308.138112][ T74] netlink_sendmsg+0x723/0xbe0 [ 1308.138112][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1308.138112][ T74] ___sys_sendmsg+0xee/0x170 [ 1308.138112][ T74] __sys_sendmsg+0xcd/0x170 [ 1308.138112][ T74] do_syscall_64+0xc6/0x1e0 [ 1308.138112][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1308.138112][ T74] [ 1308.140297][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1308.140297][ T74] netdev_get_by_index+0x5e/0x80 [ 1308.140297][ T74] fib6_nh_init+0x3d8/0x1580 [ 1308.140297][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1308.140297][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1308.140297][ T74] ipv6_add_addr+0x411/0x2000 [ 1308.140297][ T74] inet6_addr_add+0x30e/0xa40 [ 1308.140297][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1308.140297][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1308.140297][ T74] netlink_rcv_skb+0x130/0x360 [ 1308.140297][ T74] netlink_unicast+0x449/0x710 [ 1308.140297][ T74] netlink_sendmsg+0x723/0xbe0 [ 1308.140297][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1308.140297][ T74] ___sys_sendmsg+0xee/0x170 [ 1308.140297][ T74] __sys_sendmsg+0xcd/0x170 [ 1308.140297][ T74] do_syscall_64+0xc6/0x1e0 [ 1308.140297][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1308.140297][ T74] [ 1308.142451][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1308.142451][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1308.142451][ T74] ipv6_find_idev+0x102/0x170 [ 1308.142451][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1308.142451][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1308.142451][ T74] netlink_rcv_skb+0x130/0x360 [ 1308.142451][ T74] netlink_unicast+0x449/0x710 [ 1308.142451][ T74] netlink_sendmsg+0x723/0xbe0 [ 1308.142451][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1308.142451][ T74] ___sys_sendmsg+0xee/0x170 [ 1308.142451][ T74] __sys_sendmsg+0xcd/0x170 [ 1308.142451][ T74] do_syscall_64+0xc6/0x1e0 [ 1308.142451][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1308.142451][ T74] [ 1308.144301][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1308.144301][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1308.144301][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1308.144301][ T74] ipv6_find_idev+0x102/0x170 [ 1308.144301][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1308.144301][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1308.144301][ T74] netlink_rcv_skb+0x130/0x360 [ 1308.144301][ T74] netlink_unicast+0x449/0x710 [ 1308.144301][ T74] netlink_sendmsg+0x723/0xbe0 [ 1308.144301][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1308.144301][ T74] ___sys_sendmsg+0xee/0x170 [ 1308.144301][ T74] __sys_sendmsg+0xcd/0x170 [ 1308.144301][ T74] do_syscall_64+0xc6/0x1e0 [ 1308.144301][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1308.144301][ T74] [ 1318.255871][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1318.256565][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1318.256565][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1318.256565][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1318.256565][ T74] fib6_nh_init+0xa22/0x1580 [ 1318.256565][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1318.256565][ T74] ip6_route_add+0x1c/0x140 [ 1318.256565][ T74] inet6_rtm_newroute+0x104/0x110 [ 1318.256565][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1318.256565][ T74] netlink_rcv_skb+0x130/0x360 [ 1318.256565][ T74] netlink_unicast+0x449/0x710 [ 1318.256565][ T74] netlink_sendmsg+0x723/0xbe0 [ 1318.256565][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1318.256565][ T74] ___sys_sendmsg+0xee/0x170 [ 1318.256565][ T74] __sys_sendmsg+0xcd/0x170 [ 1318.256565][ T74] do_syscall_64+0xc6/0x1e0 [ 1318.256565][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1318.256565][ T74] [ 1318.259983][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1318.259983][ T74] netdev_get_by_index+0x5e/0x80 [ 1318.259983][ T74] fib6_nh_init+0x3d8/0x1580 [ 1318.259983][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1318.259983][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1318.259983][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1318.259983][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1318.259983][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1318.259983][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1318.259983][ T74] addrconf_dad_begin+0x310/0x670 [ 1318.259983][ T74] addrconf_dad_work+0x10b/0xab0 [ 1318.259983][ T74] process_one_work+0x84d/0x18a0 [ 1318.259983][ T74] worker_thread+0x587/0xd30 [ 1318.259983][ T74] kthread+0x28a/0x350 [ 1318.259983][ T74] ret_from_fork+0x31/0x70 [ 1318.259983][ T74] ret_from_fork_asm+0x1a/0x30 [ 1318.259983][ T74] [ 1318.263073][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1318.263073][ T74] netdev_get_by_index+0x5e/0x80 [ 1318.263073][ T74] fib6_nh_init+0x3d8/0x1580 [ 1318.263073][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1318.263073][ T74] ip6_route_add+0x1c/0x140 [ 1318.263073][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1318.263073][ T74] inet6_addr_add+0x4f8/0xa40 [ 1318.263073][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1318.263073][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1318.263073][ T74] netlink_rcv_skb+0x130/0x360 [ 1318.263073][ T74] netlink_unicast+0x449/0x710 [ 1318.263073][ T74] netlink_sendmsg+0x723/0xbe0 [ 1318.263073][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1318.263073][ T74] ___sys_sendmsg+0xee/0x170 [ 1318.263073][ T74] __sys_sendmsg+0xcd/0x170 [ 1318.263073][ T74] do_syscall_64+0xc6/0x1e0 [ 1318.263073][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1318.263073][ T74] [ 1318.266421][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1318.266421][ T74] netdev_get_by_index+0x5e/0x80 [ 1318.266421][ T74] fib6_nh_init+0x3d8/0x1580 [ 1318.266421][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1318.266421][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1318.266421][ T74] ipv6_add_addr+0x411/0x2000 [ 1318.266421][ T74] inet6_addr_add+0x30e/0xa40 [ 1318.266421][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1318.266421][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1318.266421][ T74] netlink_rcv_skb+0x130/0x360 [ 1318.266421][ T74] netlink_unicast+0x449/0x710 [ 1318.266421][ T74] netlink_sendmsg+0x723/0xbe0 [ 1318.266421][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1318.266421][ T74] ___sys_sendmsg+0xee/0x170 [ 1318.266421][ T74] __sys_sendmsg+0xcd/0x170 [ 1318.266421][ T74] do_syscall_64+0xc6/0x1e0 [ 1318.266421][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1318.266421][ T74] [ 1318.269926][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1318.269926][ T74] netdev_get_by_index+0x5e/0x80 [ 1318.269926][ T74] fib6_nh_init+0x3d8/0x1580 [ 1318.269926][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1318.269926][ T74] ip6_route_add+0x1c/0x140 [ 1318.269926][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1318.269926][ T74] addrconf_add_dev+0xe2/0x170 [ 1318.269926][ T74] inet6_addr_add+0x12f/0xa40 [ 1318.269926][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1318.269926][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1318.269926][ T74] netlink_rcv_skb+0x130/0x360 [ 1318.269926][ T74] netlink_unicast+0x449/0x710 [ 1318.269926][ T74] netlink_sendmsg+0x723/0xbe0 [ 1318.269926][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1318.269926][ T74] ___sys_sendmsg+0xee/0x170 [ 1318.269926][ T74] __sys_sendmsg+0xcd/0x170 [ 1318.269926][ T74] do_syscall_64+0xc6/0x1e0 [ 1318.269926][ T74] [ 1318.273367][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1318.273367][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1318.273367][ T74] ipv6_find_idev+0x102/0x170 [ 1318.273367][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1318.273367][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1318.273367][ T74] netlink_rcv_skb+0x130/0x360 [ 1318.273367][ T74] netlink_unicast+0x449/0x710 [ 1318.273367][ T74] netlink_sendmsg+0x723/0xbe0 [ 1318.273367][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1318.273367][ T74] ___sys_sendmsg+0xee/0x170 [ 1318.273367][ T74] __sys_sendmsg+0xcd/0x170 [ 1318.273367][ T74] do_syscall_64+0xc6/0x1e0 [ 1318.273367][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1318.273367][ T74] [ 1318.276395][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1318.276395][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1318.276395][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1318.276395][ T74] ipv6_find_idev+0x102/0x170 [ 1318.276395][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1318.276395][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1318.276395][ T74] netlink_rcv_skb+0x130/0x360 [ 1318.276395][ T74] netlink_unicast+0x449/0x710 [ 1318.276395][ T74] netlink_sendmsg+0x723/0xbe0 [ 1318.276395][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1318.276395][ T74] ___sys_sendmsg+0xee/0x170 [ 1318.276395][ T74] __sys_sendmsg+0xcd/0x170 [ 1318.276395][ T74] do_syscall_64+0xc6/0x1e0 [ 1318.276395][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1318.276395][ T74] [ 1318.279410][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1318.279864][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1318.279864][ T74] dst_init+0x84/0x4a0 [ 1318.279864][ T74] dst_alloc+0x97/0x150 [ 1318.279864][ T74] ip6_dst_alloc+0x23/0x90 [ 1318.279864][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1318.279864][ T74] ip6_pol_route+0x56f/0x840 [ 1318.279864][ T74] fib6_rule_lookup+0x456/0x630 [ 1318.279864][ T74] ip6_route_input+0x59c/0xa50 [ 1318.279864][ T74] ipv6_rcv+0x397/0x810 [ 1318.279864][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1318.279864][ T74] process_backlog+0x101/0x620 [ 1318.279864][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1318.279864][ T74] net_rx_action+0x495/0xbe0 [ 1318.279864][ T74] __do_softirq+0x1b5/0x7f6 [ 1318.279864][ T74] [ 1318.283027][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1318.283027][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1318.283027][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1318.283027][ T74] fib6_nh_init+0xa22/0x1580 [ 1318.283027][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1318.283027][ T74] ip6_route_add+0x1c/0x140 [ 1318.283027][ T74] inet6_rtm_newroute+0x104/0x110 [ 1318.283027][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1318.283027][ T74] netlink_rcv_skb+0x130/0x360 [ 1318.283027][ T74] netlink_unicast+0x449/0x710 [ 1318.283027][ T74] netlink_sendmsg+0x723/0xbe0 [ 1318.283027][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1318.283027][ T74] ___sys_sendmsg+0xee/0x170 [ 1318.283027][ T74] __sys_sendmsg+0xcd/0x170 [ 1318.283027][ T74] do_syscall_64+0xc6/0x1e0 [ 1318.283027][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1318.283027][ T74] [ 1318.286677][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1318.286677][ T74] netdev_get_by_index+0x5e/0x80 [ 1318.286677][ T74] fib6_nh_init+0x3d8/0x1580 [ 1318.286677][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1318.286677][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1318.286677][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1318.286677][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1318.286677][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1318.286677][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1318.286677][ T74] addrconf_dad_begin+0x310/0x670 [ 1318.286677][ T74] addrconf_dad_work+0x10b/0xab0 [ 1318.286677][ T74] process_one_work+0x84d/0x18a0 [ 1318.286677][ T74] worker_thread+0x587/0xd30 [ 1318.286677][ T74] kthread+0x28a/0x350 [ 1318.286677][ T74] ret_from_fork+0x31/0x70 [ 1318.286677][ T74] ret_from_fork_asm+0x1a/0x30 [ 1318.286677][ T74] [ 1318.290263][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1318.290263][ T74] netdev_get_by_index+0x5e/0x80 [ 1318.290263][ T74] fib6_nh_init+0x3d8/0x1580 [ 1318.290263][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1318.290263][ T74] ip6_route_add+0x1c/0x140 [ 1318.290263][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1318.290263][ T74] inet6_addr_add+0x4f8/0xa40 [ 1318.290263][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1318.290263][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1318.290263][ T74] netlink_rcv_skb+0x130/0x360 [ 1318.290263][ T74] netlink_unicast+0x449/0x710 [ 1318.290263][ T74] netlink_sendmsg+0x723/0xbe0 [ 1318.290263][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1318.290263][ T74] ___sys_sendmsg+0xee/0x170 [ 1318.290263][ T74] __sys_sendmsg+0xcd/0x170 [ 1318.290263][ T74] do_syscall_64+0xc6/0x1e0 [ 1318.290263][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1318.290263][ T74] [ 1318.294193][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1318.294193][ T74] netdev_get_by_index+0x5e/0x80 [ 1318.294193][ T74] fib6_nh_init+0x3d8/0x1580 [ 1318.294193][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1318.294193][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1318.294193][ T74] ipv6_add_addr+0x411/0x2000 [ 1318.294193][ T74] inet6_addr_add+0x30e/0xa40 [ 1318.294193][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1318.294193][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1318.294193][ T74] netlink_rcv_skb+0x130/0x360 [ 1318.294193][ T74] netlink_unicast+0x449/0x710 [ 1318.294193][ T74] netlink_sendmsg+0x723/0xbe0 [ 1318.294193][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1318.294193][ T74] ___sys_sendmsg+0xee/0x170 [ 1318.294193][ T74] __sys_sendmsg+0xcd/0x170 [ 1318.294193][ T74] do_syscall_64+0xc6/0x1e0 [ 1318.294193][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1318.294193][ T74] [ 1318.298218][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1318.298218][ T74] netdev_get_by_index+0x5e/0x80 [ 1318.298218][ T74] fib6_nh_init+0x3d8/0x1580 [ 1318.298218][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1318.298218][ T74] ip6_route_add+0x1c/0x140 [ 1318.298218][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1318.298218][ T74] addrconf_add_dev+0xe2/0x170 [ 1318.298218][ T74] inet6_addr_add+0x12f/0xa40 [ 1318.298218][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1318.298218][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1318.298218][ T74] netlink_rcv_skb+0x130/0x360 [ 1318.298218][ T74] netlink_unicast+0x449/0x710 [ 1318.298218][ T74] netlink_sendmsg+0x723/0xbe0 [ 1318.298218][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1318.298218][ T74] ___sys_sendmsg+0xee/0x170 [ 1318.298218][ T74] __sys_sendmsg+0xcd/0x170 [ 1318.298218][ T74] do_syscall_64+0xc6/0x1e0 [ 1318.298218][ T74] [ 1318.301900][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1318.301900][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1318.301900][ T74] ipv6_find_idev+0x102/0x170 [ 1318.301900][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1318.301900][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1318.301900][ T74] netlink_rcv_skb+0x130/0x360 [ 1318.301900][ T74] netlink_unicast+0x449/0x710 [ 1318.301900][ T74] netlink_sendmsg+0x723/0xbe0 [ 1318.301900][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1318.301900][ T74] ___sys_sendmsg+0xee/0x170 [ 1318.301900][ T74] __sys_sendmsg+0xcd/0x170 [ 1318.301900][ T74] do_syscall_64+0xc6/0x1e0 [ 1318.301900][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1318.301900][ T74] [ 1318.305014][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1318.305014][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1318.305014][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1318.305014][ T74] ipv6_find_idev+0x102/0x170 [ 1318.305014][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1318.305014][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1318.305014][ T74] netlink_rcv_skb+0x130/0x360 [ 1318.305014][ T74] netlink_unicast+0x449/0x710 [ 1318.305014][ T74] netlink_sendmsg+0x723/0xbe0 [ 1318.305014][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1318.305014][ T74] ___sys_sendmsg+0xee/0x170 [ 1318.305014][ T74] __sys_sendmsg+0xcd/0x170 [ 1318.305014][ T74] do_syscall_64+0xc6/0x1e0 [ 1318.305014][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1318.305014][ T74] [ 1318.308234][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1318.308674][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1318.308674][ T74] netdev_get_by_index+0x5e/0x80 [ 1318.308674][ T74] fib6_nh_init+0x3d8/0x1580 [ 1318.308674][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1318.308674][ T74] ip6_route_add+0x1c/0x140 [ 1318.308674][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1318.308674][ T74] inet6_addr_add+0x4f8/0xa40 [ 1318.308674][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1318.308674][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1318.308674][ T74] netlink_rcv_skb+0x130/0x360 [ 1318.308674][ T74] netlink_unicast+0x449/0x710 [ 1318.308674][ T74] netlink_sendmsg+0x723/0xbe0 [ 1318.308674][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1318.308674][ T74] ___sys_sendmsg+0xee/0x170 [ 1318.308674][ T74] __sys_sendmsg+0xcd/0x170 [ 1318.308674][ T74] do_syscall_64+0xc6/0x1e0 [ 1318.308674][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1318.308674][ T74] [ 1318.312283][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1318.312283][ T74] netdev_get_by_index+0x5e/0x80 [ 1318.312283][ T74] fib6_nh_init+0x3d8/0x1580 [ 1318.312283][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1318.312283][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1318.312283][ T74] ipv6_add_addr+0x411/0x2000 [ 1318.312283][ T74] inet6_addr_add+0x30e/0xa40 [ 1318.312283][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1318.312283][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1318.312283][ T74] netlink_rcv_skb+0x130/0x360 [ 1318.312283][ T74] netlink_unicast+0x449/0x710 [ 1318.312283][ T74] netlink_sendmsg+0x723/0xbe0 [ 1318.312283][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1318.312283][ T74] ___sys_sendmsg+0xee/0x170 [ 1318.312283][ T74] __sys_sendmsg+0xcd/0x170 [ 1318.312283][ T74] do_syscall_64+0xc6/0x1e0 [ 1318.312283][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1318.312283][ T74] [ 1318.316270][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1318.316270][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1318.316270][ T74] ipv6_find_idev+0x102/0x170 [ 1318.316270][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1318.316270][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1318.316270][ T74] netlink_rcv_skb+0x130/0x360 [ 1318.316270][ T74] netlink_unicast+0x449/0x710 [ 1318.316270][ T74] netlink_sendmsg+0x723/0xbe0 [ 1318.316270][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1318.316270][ T74] ___sys_sendmsg+0xee/0x170 [ 1318.316270][ T74] __sys_sendmsg+0xcd/0x170 [ 1318.316270][ T74] do_syscall_64+0xc6/0x1e0 [ 1318.316270][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1318.316270][ T74] [ 1318.319190][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1318.319190][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1318.319190][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1318.319190][ T74] ipv6_find_idev+0x102/0x170 [ 1318.319190][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1318.319190][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1318.319190][ T74] netlink_rcv_skb+0x130/0x360 [ 1318.319190][ T74] netlink_unicast+0x449/0x710 [ 1318.319190][ T74] netlink_sendmsg+0x723/0xbe0 [ 1318.319190][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1318.319190][ T74] ___sys_sendmsg+0xee/0x170 [ 1318.319190][ T74] __sys_sendmsg+0xcd/0x170 [ 1318.319190][ T74] do_syscall_64+0xc6/0x1e0 [ 1318.319190][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1318.319190][ T74] [ 1328.455955][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1328.456424][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1328.456424][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1328.456424][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1328.456424][ T74] fib6_nh_init+0xa22/0x1580 [ 1328.456424][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1328.456424][ T74] ip6_route_add+0x1c/0x140 [ 1328.456424][ T74] inet6_rtm_newroute+0x104/0x110 [ 1328.456424][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1328.456424][ T74] netlink_rcv_skb+0x130/0x360 [ 1328.456424][ T74] netlink_unicast+0x449/0x710 [ 1328.456424][ T74] netlink_sendmsg+0x723/0xbe0 [ 1328.456424][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1328.456424][ T74] ___sys_sendmsg+0xee/0x170 [ 1328.456424][ T74] __sys_sendmsg+0xcd/0x170 [ 1328.456424][ T74] do_syscall_64+0xc6/0x1e0 [ 1328.456424][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1328.456424][ T74] [ 1328.458509][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1328.458509][ T74] netdev_get_by_index+0x5e/0x80 [ 1328.458509][ T74] fib6_nh_init+0x3d8/0x1580 [ 1328.458509][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1328.458509][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1328.458509][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1328.458509][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1328.458509][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1328.458509][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1328.458509][ T74] addrconf_dad_begin+0x310/0x670 [ 1328.458509][ T74] addrconf_dad_work+0x10b/0xab0 [ 1328.458509][ T74] process_one_work+0x84d/0x18a0 [ 1328.458509][ T74] worker_thread+0x587/0xd30 [ 1328.458509][ T74] kthread+0x28a/0x350 [ 1328.458509][ T74] ret_from_fork+0x31/0x70 [ 1328.458509][ T74] ret_from_fork_asm+0x1a/0x30 [ 1328.458509][ T74] [ 1328.460674][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1328.460674][ T74] netdev_get_by_index+0x5e/0x80 [ 1328.460674][ T74] fib6_nh_init+0x3d8/0x1580 [ 1328.460674][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1328.460674][ T74] ip6_route_add+0x1c/0x140 [ 1328.460674][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1328.460674][ T74] inet6_addr_add+0x4f8/0xa40 [ 1328.460674][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1328.460674][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1328.460674][ T74] netlink_rcv_skb+0x130/0x360 [ 1328.460674][ T74] netlink_unicast+0x449/0x710 [ 1328.460674][ T74] netlink_sendmsg+0x723/0xbe0 [ 1328.460674][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1328.460674][ T74] ___sys_sendmsg+0xee/0x170 [ 1328.460674][ T74] __sys_sendmsg+0xcd/0x170 [ 1328.460674][ T74] do_syscall_64+0xc6/0x1e0 [ 1328.460674][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1328.460674][ T74] [ 1328.462759][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1328.462759][ T74] netdev_get_by_index+0x5e/0x80 [ 1328.462759][ T74] fib6_nh_init+0x3d8/0x1580 [ 1328.462759][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1328.462759][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1328.462759][ T74] ipv6_add_addr+0x411/0x2000 [ 1328.462759][ T74] inet6_addr_add+0x30e/0xa40 [ 1328.462759][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1328.462759][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1328.462759][ T74] netlink_rcv_skb+0x130/0x360 [ 1328.462759][ T74] netlink_unicast+0x449/0x710 [ 1328.462759][ T74] netlink_sendmsg+0x723/0xbe0 [ 1328.462759][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1328.462759][ T74] ___sys_sendmsg+0xee/0x170 [ 1328.462759][ T74] __sys_sendmsg+0xcd/0x170 [ 1328.462759][ T74] do_syscall_64+0xc6/0x1e0 [ 1328.462759][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1328.462759][ T74] [ 1328.464956][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1328.464956][ T74] netdev_get_by_index+0x5e/0x80 [ 1328.464956][ T74] fib6_nh_init+0x3d8/0x1580 [ 1328.464956][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1328.464956][ T74] ip6_route_add+0x1c/0x140 [ 1328.464956][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1328.464956][ T74] addrconf_add_dev+0xe2/0x170 [ 1328.464956][ T74] inet6_addr_add+0x12f/0xa40 [ 1328.464956][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1328.464956][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1328.464956][ T74] netlink_rcv_skb+0x130/0x360 [ 1328.464956][ T74] netlink_unicast+0x449/0x710 [ 1328.464956][ T74] netlink_sendmsg+0x723/0xbe0 [ 1328.464956][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1328.464956][ T74] ___sys_sendmsg+0xee/0x170 [ 1328.464956][ T74] __sys_sendmsg+0xcd/0x170 [ 1328.464956][ T74] do_syscall_64+0xc6/0x1e0 [ 1328.464956][ T74] [ 1328.467433][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1328.467433][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1328.467433][ T74] ipv6_find_idev+0x102/0x170 [ 1328.467433][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1328.467433][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1328.467433][ T74] netlink_rcv_skb+0x130/0x360 [ 1328.467433][ T74] netlink_unicast+0x449/0x710 [ 1328.467433][ T74] netlink_sendmsg+0x723/0xbe0 [ 1328.467433][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1328.467433][ T74] ___sys_sendmsg+0xee/0x170 [ 1328.467433][ T74] __sys_sendmsg+0xcd/0x170 [ 1328.467433][ T74] do_syscall_64+0xc6/0x1e0 [ 1328.467433][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1328.467433][ T74] [ 1328.469422][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1328.469422][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1328.469422][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1328.469422][ T74] ipv6_find_idev+0x102/0x170 [ 1328.469422][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1328.469422][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1328.469422][ T74] netlink_rcv_skb+0x130/0x360 [ 1328.469422][ T74] netlink_unicast+0x449/0x710 [ 1328.469422][ T74] netlink_sendmsg+0x723/0xbe0 [ 1328.469422][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1328.469422][ T74] ___sys_sendmsg+0xee/0x170 [ 1328.469422][ T74] __sys_sendmsg+0xcd/0x170 [ 1328.469422][ T74] do_syscall_64+0xc6/0x1e0 [ 1328.469422][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1328.469422][ T74] [ 1328.471582][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1328.471907][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1328.471907][ T74] dst_init+0x84/0x4a0 [ 1328.471907][ T74] dst_alloc+0x97/0x150 [ 1328.471907][ T74] ip6_dst_alloc+0x23/0x90 [ 1328.471907][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1328.471907][ T74] ip6_pol_route+0x56f/0x840 [ 1328.471907][ T74] fib6_rule_lookup+0x456/0x630 [ 1328.471907][ T74] ip6_route_input+0x59c/0xa50 [ 1328.471907][ T74] ipv6_rcv+0x397/0x810 [ 1328.471907][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1328.471907][ T74] process_backlog+0x101/0x620 [ 1328.471907][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1328.471907][ T74] net_rx_action+0x495/0xbe0 [ 1328.471907][ T74] __do_softirq+0x1b5/0x7f6 [ 1328.471907][ T74] [ 1328.473719][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1328.473719][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1328.473719][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1328.473719][ T74] fib6_nh_init+0xa22/0x1580 [ 1328.473719][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1328.473719][ T74] ip6_route_add+0x1c/0x140 [ 1328.473719][ T74] inet6_rtm_newroute+0x104/0x110 [ 1328.473719][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1328.473719][ T74] netlink_rcv_skb+0x130/0x360 [ 1328.473719][ T74] netlink_unicast+0x449/0x710 [ 1328.473719][ T74] netlink_sendmsg+0x723/0xbe0 [ 1328.473719][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1328.473719][ T74] ___sys_sendmsg+0xee/0x170 [ 1328.473719][ T74] __sys_sendmsg+0xcd/0x170 [ 1328.473719][ T74] do_syscall_64+0xc6/0x1e0 [ 1328.473719][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1328.473719][ T74] [ 1328.475677][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1328.475677][ T74] netdev_get_by_index+0x5e/0x80 [ 1328.475677][ T74] fib6_nh_init+0x3d8/0x1580 [ 1328.475677][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1328.475677][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1328.475677][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1328.475677][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1328.475677][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1328.475677][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1328.475677][ T74] addrconf_dad_begin+0x310/0x670 [ 1328.475677][ T74] addrconf_dad_work+0x10b/0xab0 [ 1328.475677][ T74] process_one_work+0x84d/0x18a0 [ 1328.475677][ T74] worker_thread+0x587/0xd30 [ 1328.475677][ T74] kthread+0x28a/0x350 [ 1328.475677][ T74] ret_from_fork+0x31/0x70 [ 1328.475677][ T74] ret_from_fork_asm+0x1a/0x30 [ 1328.475677][ T74] [ 1328.477878][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1328.477878][ T74] netdev_get_by_index+0x5e/0x80 [ 1328.477878][ T74] fib6_nh_init+0x3d8/0x1580 [ 1328.477878][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1328.477878][ T74] ip6_route_add+0x1c/0x140 [ 1328.477878][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1328.477878][ T74] inet6_addr_add+0x4f8/0xa40 [ 1328.477878][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1328.477878][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1328.477878][ T74] netlink_rcv_skb+0x130/0x360 [ 1328.477878][ T74] netlink_unicast+0x449/0x710 [ 1328.477878][ T74] netlink_sendmsg+0x723/0xbe0 [ 1328.477878][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1328.477878][ T74] ___sys_sendmsg+0xee/0x170 [ 1328.477878][ T74] __sys_sendmsg+0xcd/0x170 [ 1328.477878][ T74] do_syscall_64+0xc6/0x1e0 [ 1328.477878][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1328.477878][ T74] [ 1328.480225][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1328.480225][ T74] netdev_get_by_index+0x5e/0x80 [ 1328.480225][ T74] fib6_nh_init+0x3d8/0x1580 [ 1328.480225][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1328.480225][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1328.480225][ T74] ipv6_add_addr+0x411/0x2000 [ 1328.480225][ T74] inet6_addr_add+0x30e/0xa40 [ 1328.480225][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1328.480225][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1328.480225][ T74] netlink_rcv_skb+0x130/0x360 [ 1328.480225][ T74] netlink_unicast+0x449/0x710 [ 1328.480225][ T74] netlink_sendmsg+0x723/0xbe0 [ 1328.480225][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1328.480225][ T74] ___sys_sendmsg+0xee/0x170 [ 1328.480225][ T74] __sys_sendmsg+0xcd/0x170 [ 1328.480225][ T74] do_syscall_64+0xc6/0x1e0 [ 1328.480225][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1328.480225][ T74] [ 1328.482505][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1328.482505][ T74] netdev_get_by_index+0x5e/0x80 [ 1328.482505][ T74] fib6_nh_init+0x3d8/0x1580 [ 1328.482505][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1328.482505][ T74] ip6_route_add+0x1c/0x140 [ 1328.482505][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1328.482505][ T74] addrconf_add_dev+0xe2/0x170 [ 1328.482505][ T74] inet6_addr_add+0x12f/0xa40 [ 1328.482505][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1328.482505][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1328.482505][ T74] netlink_rcv_skb+0x130/0x360 [ 1328.482505][ T74] netlink_unicast+0x449/0x710 [ 1328.482505][ T74] netlink_sendmsg+0x723/0xbe0 [ 1328.482505][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1328.482505][ T74] ___sys_sendmsg+0xee/0x170 [ 1328.482505][ T74] __sys_sendmsg+0xcd/0x170 [ 1328.482505][ T74] do_syscall_64+0xc6/0x1e0 [ 1328.482505][ T74] [ 1328.484780][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1328.484780][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1328.484780][ T74] ipv6_find_idev+0x102/0x170 [ 1328.484780][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1328.484780][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1328.484780][ T74] netlink_rcv_skb+0x130/0x360 [ 1328.484780][ T74] netlink_unicast+0x449/0x710 [ 1328.484780][ T74] netlink_sendmsg+0x723/0xbe0 [ 1328.484780][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1328.484780][ T74] ___sys_sendmsg+0xee/0x170 [ 1328.484780][ T74] __sys_sendmsg+0xcd/0x170 [ 1328.484780][ T74] do_syscall_64+0xc6/0x1e0 [ 1328.484780][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1328.484780][ T74] [ 1328.486698][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1328.486698][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1328.486698][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1328.486698][ T74] ipv6_find_idev+0x102/0x170 [ 1328.486698][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1328.486698][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1328.486698][ T74] netlink_rcv_skb+0x130/0x360 [ 1328.486698][ T74] netlink_unicast+0x449/0x710 [ 1328.486698][ T74] netlink_sendmsg+0x723/0xbe0 [ 1328.486698][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1328.486698][ T74] ___sys_sendmsg+0xee/0x170 [ 1328.486698][ T74] __sys_sendmsg+0xcd/0x170 [ 1328.486698][ T74] do_syscall_64+0xc6/0x1e0 [ 1328.486698][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1328.486698][ T74] [ 1328.488740][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1328.489091][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1328.489091][ T74] netdev_get_by_index+0x5e/0x80 [ 1328.489091][ T74] fib6_nh_init+0x3d8/0x1580 [ 1328.489091][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1328.489091][ T74] ip6_route_add+0x1c/0x140 [ 1328.489091][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1328.489091][ T74] inet6_addr_add+0x4f8/0xa40 [ 1328.489091][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1328.489091][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1328.489091][ T74] netlink_rcv_skb+0x130/0x360 [ 1328.489091][ T74] netlink_unicast+0x449/0x710 [ 1328.489091][ T74] netlink_sendmsg+0x723/0xbe0 [ 1328.489091][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1328.489091][ T74] ___sys_sendmsg+0xee/0x170 [ 1328.489091][ T74] __sys_sendmsg+0xcd/0x170 [ 1328.489091][ T74] do_syscall_64+0xc6/0x1e0 [ 1328.489091][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1328.489091][ T74] [ 1328.491287][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1328.491287][ T74] netdev_get_by_index+0x5e/0x80 [ 1328.491287][ T74] fib6_nh_init+0x3d8/0x1580 [ 1328.491287][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1328.491287][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1328.491287][ T74] ipv6_add_addr+0x411/0x2000 [ 1328.491287][ T74] inet6_addr_add+0x30e/0xa40 [ 1328.491287][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1328.491287][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1328.491287][ T74] netlink_rcv_skb+0x130/0x360 [ 1328.491287][ T74] netlink_unicast+0x449/0x710 [ 1328.491287][ T74] netlink_sendmsg+0x723/0xbe0 [ 1328.491287][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1328.491287][ T74] ___sys_sendmsg+0xee/0x170 [ 1328.491287][ T74] __sys_sendmsg+0xcd/0x170 [ 1328.491287][ T74] do_syscall_64+0xc6/0x1e0 [ 1328.491287][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1328.491287][ T74] [ 1328.493774][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1328.493774][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1328.493774][ T74] ipv6_find_idev+0x102/0x170 [ 1328.493774][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1328.493774][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1328.493774][ T74] netlink_rcv_skb+0x130/0x360 [ 1328.493774][ T74] netlink_unicast+0x449/0x710 [ 1328.493774][ T74] netlink_sendmsg+0x723/0xbe0 [ 1328.493774][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1328.493774][ T74] ___sys_sendmsg+0xee/0x170 [ 1328.493774][ T74] __sys_sendmsg+0xcd/0x170 [ 1328.493774][ T74] do_syscall_64+0xc6/0x1e0 [ 1328.493774][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1328.493774][ T74] [ 1328.495551][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1328.495551][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1328.495551][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1328.495551][ T74] ipv6_find_idev+0x102/0x170 [ 1328.495551][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1328.495551][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1328.495551][ T74] netlink_rcv_skb+0x130/0x360 [ 1328.495551][ T74] netlink_unicast+0x449/0x710 [ 1328.495551][ T74] netlink_sendmsg+0x723/0xbe0 [ 1328.495551][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1328.495551][ T74] ___sys_sendmsg+0xee/0x170 [ 1328.495551][ T74] __sys_sendmsg+0xcd/0x170 [ 1328.495551][ T74] do_syscall_64+0xc6/0x1e0 [ 1328.495551][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1328.495551][ T74] [ 1338.600866][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1338.601301][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1338.601301][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1338.601301][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1338.601301][ T74] fib6_nh_init+0xa22/0x1580 [ 1338.601301][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1338.601301][ T74] ip6_route_add+0x1c/0x140 [ 1338.601301][ T74] inet6_rtm_newroute+0x104/0x110 [ 1338.601301][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1338.601301][ T74] netlink_rcv_skb+0x130/0x360 [ 1338.601301][ T74] netlink_unicast+0x449/0x710 [ 1338.601301][ T74] netlink_sendmsg+0x723/0xbe0 [ 1338.601301][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1338.601301][ T74] ___sys_sendmsg+0xee/0x170 [ 1338.601301][ T74] __sys_sendmsg+0xcd/0x170 [ 1338.601301][ T74] do_syscall_64+0xc6/0x1e0 [ 1338.601301][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1338.601301][ T74] [ 1338.603374][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1338.603374][ T74] netdev_get_by_index+0x5e/0x80 [ 1338.603374][ T74] fib6_nh_init+0x3d8/0x1580 [ 1338.603374][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1338.603374][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1338.603374][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1338.603374][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1338.603374][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1338.603374][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1338.603374][ T74] addrconf_dad_begin+0x310/0x670 [ 1338.603374][ T74] addrconf_dad_work+0x10b/0xab0 [ 1338.603374][ T74] process_one_work+0x84d/0x18a0 [ 1338.603374][ T74] worker_thread+0x587/0xd30 [ 1338.603374][ T74] kthread+0x28a/0x350 [ 1338.603374][ T74] ret_from_fork+0x31/0x70 [ 1338.603374][ T74] ret_from_fork_asm+0x1a/0x30 [ 1338.603374][ T74] [ 1338.605426][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1338.605426][ T74] netdev_get_by_index+0x5e/0x80 [ 1338.605426][ T74] fib6_nh_init+0x3d8/0x1580 [ 1338.605426][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1338.605426][ T74] ip6_route_add+0x1c/0x140 [ 1338.605426][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1338.605426][ T74] inet6_addr_add+0x4f8/0xa40 [ 1338.605426][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1338.605426][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1338.605426][ T74] netlink_rcv_skb+0x130/0x360 [ 1338.605426][ T74] netlink_unicast+0x449/0x710 [ 1338.605426][ T74] netlink_sendmsg+0x723/0xbe0 [ 1338.605426][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1338.605426][ T74] ___sys_sendmsg+0xee/0x170 [ 1338.605426][ T74] __sys_sendmsg+0xcd/0x170 [ 1338.605426][ T74] do_syscall_64+0xc6/0x1e0 [ 1338.605426][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1338.605426][ T74] [ 1338.607597][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1338.607597][ T74] netdev_get_by_index+0x5e/0x80 [ 1338.607597][ T74] fib6_nh_init+0x3d8/0x1580 [ 1338.607597][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1338.607597][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1338.607597][ T74] ipv6_add_addr+0x411/0x2000 [ 1338.607597][ T74] inet6_addr_add+0x30e/0xa40 [ 1338.607597][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1338.607597][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1338.607597][ T74] netlink_rcv_skb+0x130/0x360 [ 1338.607597][ T74] netlink_unicast+0x449/0x710 [ 1338.607597][ T74] netlink_sendmsg+0x723/0xbe0 [ 1338.607597][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1338.607597][ T74] ___sys_sendmsg+0xee/0x170 [ 1338.607597][ T74] __sys_sendmsg+0xcd/0x170 [ 1338.607597][ T74] do_syscall_64+0xc6/0x1e0 [ 1338.607597][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1338.607597][ T74] [ 1338.610064][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1338.610064][ T74] netdev_get_by_index+0x5e/0x80 [ 1338.610064][ T74] fib6_nh_init+0x3d8/0x1580 [ 1338.610064][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1338.610064][ T74] ip6_route_add+0x1c/0x140 [ 1338.610064][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1338.610064][ T74] addrconf_add_dev+0xe2/0x170 [ 1338.610064][ T74] inet6_addr_add+0x12f/0xa40 [ 1338.610064][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1338.610064][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1338.610064][ T74] netlink_rcv_skb+0x130/0x360 [ 1338.610064][ T74] netlink_unicast+0x449/0x710 [ 1338.610064][ T74] netlink_sendmsg+0x723/0xbe0 [ 1338.610064][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1338.610064][ T74] ___sys_sendmsg+0xee/0x170 [ 1338.610064][ T74] __sys_sendmsg+0xcd/0x170 [ 1338.610064][ T74] do_syscall_64+0xc6/0x1e0 [ 1338.610064][ T74] [ 1338.612437][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1338.612437][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1338.612437][ T74] ipv6_find_idev+0x102/0x170 [ 1338.612437][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1338.612437][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1338.612437][ T74] netlink_rcv_skb+0x130/0x360 [ 1338.612437][ T74] netlink_unicast+0x449/0x710 [ 1338.612437][ T74] netlink_sendmsg+0x723/0xbe0 [ 1338.612437][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1338.612437][ T74] ___sys_sendmsg+0xee/0x170 [ 1338.612437][ T74] __sys_sendmsg+0xcd/0x170 [ 1338.612437][ T74] do_syscall_64+0xc6/0x1e0 [ 1338.612437][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1338.612437][ T74] [ 1338.614301][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1338.614301][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1338.614301][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1338.614301][ T74] ipv6_find_idev+0x102/0x170 [ 1338.614301][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1338.614301][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1338.614301][ T74] netlink_rcv_skb+0x130/0x360 [ 1338.614301][ T74] netlink_unicast+0x449/0x710 [ 1338.614301][ T74] netlink_sendmsg+0x723/0xbe0 [ 1338.614301][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1338.614301][ T74] ___sys_sendmsg+0xee/0x170 [ 1338.614301][ T74] __sys_sendmsg+0xcd/0x170 [ 1338.614301][ T74] do_syscall_64+0xc6/0x1e0 [ 1338.614301][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1338.614301][ T74] [ 1338.616307][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1338.616635][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1338.616635][ T74] dst_init+0x84/0x4a0 [ 1338.616635][ T74] dst_alloc+0x97/0x150 [ 1338.616635][ T74] ip6_dst_alloc+0x23/0x90 [ 1338.616635][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1338.616635][ T74] ip6_pol_route+0x56f/0x840 [ 1338.616635][ T74] fib6_rule_lookup+0x456/0x630 [ 1338.616635][ T74] ip6_route_input+0x59c/0xa50 [ 1338.616635][ T74] ipv6_rcv+0x397/0x810 [ 1338.616635][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1338.616635][ T74] process_backlog+0x101/0x620 [ 1338.616635][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1338.616635][ T74] net_rx_action+0x495/0xbe0 [ 1338.616635][ T74] __do_softirq+0x1b5/0x7f6 [ 1338.616635][ T74] [ 1338.618483][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1338.618483][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1338.618483][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1338.618483][ T74] fib6_nh_init+0xa22/0x1580 [ 1338.618483][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1338.618483][ T74] ip6_route_add+0x1c/0x140 [ 1338.618483][ T74] inet6_rtm_newroute+0x104/0x110 [ 1338.618483][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1338.618483][ T74] netlink_rcv_skb+0x130/0x360 [ 1338.618483][ T74] netlink_unicast+0x449/0x710 [ 1338.618483][ T74] netlink_sendmsg+0x723/0xbe0 [ 1338.618483][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1338.618483][ T74] ___sys_sendmsg+0xee/0x170 [ 1338.618483][ T74] __sys_sendmsg+0xcd/0x170 [ 1338.618483][ T74] do_syscall_64+0xc6/0x1e0 [ 1338.618483][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1338.618483][ T74] [ 1338.620494][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1338.620494][ T74] netdev_get_by_index+0x5e/0x80 [ 1338.620494][ T74] fib6_nh_init+0x3d8/0x1580 [ 1338.620494][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1338.620494][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1338.620494][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1338.620494][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1338.620494][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1338.620494][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1338.620494][ T74] addrconf_dad_begin+0x310/0x670 [ 1338.620494][ T74] addrconf_dad_work+0x10b/0xab0 [ 1338.620494][ T74] process_one_work+0x84d/0x18a0 [ 1338.620494][ T74] worker_thread+0x587/0xd30 [ 1338.620494][ T74] kthread+0x28a/0x350 [ 1338.620494][ T74] ret_from_fork+0x31/0x70 [ 1338.620494][ T74] ret_from_fork_asm+0x1a/0x30 [ 1338.620494][ T74] [ 1338.622476][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1338.622476][ T74] netdev_get_by_index+0x5e/0x80 [ 1338.622476][ T74] fib6_nh_init+0x3d8/0x1580 [ 1338.622476][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1338.622476][ T74] ip6_route_add+0x1c/0x140 [ 1338.622476][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1338.622476][ T74] inet6_addr_add+0x4f8/0xa40 [ 1338.622476][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1338.622476][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1338.622476][ T74] netlink_rcv_skb+0x130/0x360 [ 1338.622476][ T74] netlink_unicast+0x449/0x710 [ 1338.622476][ T74] netlink_sendmsg+0x723/0xbe0 [ 1338.622476][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1338.622476][ T74] ___sys_sendmsg+0xee/0x170 [ 1338.622476][ T74] __sys_sendmsg+0xcd/0x170 [ 1338.622476][ T74] do_syscall_64+0xc6/0x1e0 [ 1338.622476][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1338.622476][ T74] [ 1338.624833][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1338.624833][ T74] netdev_get_by_index+0x5e/0x80 [ 1338.624833][ T74] fib6_nh_init+0x3d8/0x1580 [ 1338.624833][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1338.624833][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1338.624833][ T74] ipv6_add_addr+0x411/0x2000 [ 1338.624833][ T74] inet6_addr_add+0x30e/0xa40 [ 1338.624833][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1338.624833][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1338.624833][ T74] netlink_rcv_skb+0x130/0x360 [ 1338.624833][ T74] netlink_unicast+0x449/0x710 [ 1338.624833][ T74] netlink_sendmsg+0x723/0xbe0 [ 1338.624833][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1338.624833][ T74] ___sys_sendmsg+0xee/0x170 [ 1338.624833][ T74] __sys_sendmsg+0xcd/0x170 [ 1338.624833][ T74] do_syscall_64+0xc6/0x1e0 [ 1338.624833][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1338.624833][ T74] [ 1338.627292][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1338.627292][ T74] netdev_get_by_index+0x5e/0x80 [ 1338.627292][ T74] fib6_nh_init+0x3d8/0x1580 [ 1338.627292][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1338.627292][ T74] ip6_route_add+0x1c/0x140 [ 1338.627292][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1338.627292][ T74] addrconf_add_dev+0xe2/0x170 [ 1338.627292][ T74] inet6_addr_add+0x12f/0xa40 [ 1338.627292][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1338.627292][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1338.627292][ T74] netlink_rcv_skb+0x130/0x360 [ 1338.627292][ T74] netlink_unicast+0x449/0x710 [ 1338.627292][ T74] netlink_sendmsg+0x723/0xbe0 [ 1338.627292][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1338.627292][ T74] ___sys_sendmsg+0xee/0x170 [ 1338.627292][ T74] __sys_sendmsg+0xcd/0x170 [ 1338.627292][ T74] do_syscall_64+0xc6/0x1e0 [ 1338.627292][ T74] [ 1338.629565][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1338.629565][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1338.629565][ T74] ipv6_find_idev+0x102/0x170 [ 1338.629565][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1338.629565][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1338.629565][ T74] netlink_rcv_skb+0x130/0x360 [ 1338.629565][ T74] netlink_unicast+0x449/0x710 [ 1338.629565][ T74] netlink_sendmsg+0x723/0xbe0 [ 1338.629565][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1338.629565][ T74] ___sys_sendmsg+0xee/0x170 [ 1338.629565][ T74] __sys_sendmsg+0xcd/0x170 [ 1338.629565][ T74] do_syscall_64+0xc6/0x1e0 [ 1338.629565][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1338.629565][ T74] [ 1338.631390][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1338.631390][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1338.631390][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1338.631390][ T74] ipv6_find_idev+0x102/0x170 [ 1338.631390][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1338.631390][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1338.631390][ T74] netlink_rcv_skb+0x130/0x360 [ 1338.631390][ T74] netlink_unicast+0x449/0x710 [ 1338.631390][ T74] netlink_sendmsg+0x723/0xbe0 [ 1338.631390][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1338.631390][ T74] ___sys_sendmsg+0xee/0x170 [ 1338.631390][ T74] __sys_sendmsg+0xcd/0x170 [ 1338.631390][ T74] do_syscall_64+0xc6/0x1e0 [ 1338.631390][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1338.631390][ T74] [ 1338.633441][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1338.633710][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1338.633710][ T74] netdev_get_by_index+0x5e/0x80 [ 1338.633710][ T74] fib6_nh_init+0x3d8/0x1580 [ 1338.633710][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1338.633710][ T74] ip6_route_add+0x1c/0x140 [ 1338.633710][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1338.633710][ T74] inet6_addr_add+0x4f8/0xa40 [ 1338.633710][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1338.633710][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1338.633710][ T74] netlink_rcv_skb+0x130/0x360 [ 1338.633710][ T74] netlink_unicast+0x449/0x710 [ 1338.633710][ T74] netlink_sendmsg+0x723/0xbe0 [ 1338.633710][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1338.633710][ T74] ___sys_sendmsg+0xee/0x170 [ 1338.633710][ T74] __sys_sendmsg+0xcd/0x170 [ 1338.633710][ T74] do_syscall_64+0xc6/0x1e0 [ 1338.633710][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1338.633710][ T74] [ 1338.636120][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1338.636120][ T74] netdev_get_by_index+0x5e/0x80 [ 1338.636120][ T74] fib6_nh_init+0x3d8/0x1580 [ 1338.636120][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1338.636120][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1338.636120][ T74] ipv6_add_addr+0x411/0x2000 [ 1338.636120][ T74] inet6_addr_add+0x30e/0xa40 [ 1338.636120][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1338.636120][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1338.636120][ T74] netlink_rcv_skb+0x130/0x360 [ 1338.636120][ T74] netlink_unicast+0x449/0x710 [ 1338.636120][ T74] netlink_sendmsg+0x723/0xbe0 [ 1338.636120][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1338.636120][ T74] ___sys_sendmsg+0xee/0x170 [ 1338.636120][ T74] __sys_sendmsg+0xcd/0x170 [ 1338.636120][ T74] do_syscall_64+0xc6/0x1e0 [ 1338.636120][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1338.636120][ T74] [ 1338.638414][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1338.638414][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1338.638414][ T74] ipv6_find_idev+0x102/0x170 [ 1338.638414][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1338.638414][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1338.638414][ T74] netlink_rcv_skb+0x130/0x360 [ 1338.638414][ T74] netlink_unicast+0x449/0x710 [ 1338.638414][ T74] netlink_sendmsg+0x723/0xbe0 [ 1338.638414][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1338.638414][ T74] ___sys_sendmsg+0xee/0x170 [ 1338.638414][ T74] __sys_sendmsg+0xcd/0x170 [ 1338.638414][ T74] do_syscall_64+0xc6/0x1e0 [ 1338.638414][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1338.638414][ T74] [ 1338.640173][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1338.640173][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1338.640173][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1338.640173][ T74] ipv6_find_idev+0x102/0x170 [ 1338.640173][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1338.640173][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1338.640173][ T74] netlink_rcv_skb+0x130/0x360 [ 1338.640173][ T74] netlink_unicast+0x449/0x710 [ 1338.640173][ T74] netlink_sendmsg+0x723/0xbe0 [ 1338.640173][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1338.640173][ T74] ___sys_sendmsg+0xee/0x170 [ 1338.640173][ T74] __sys_sendmsg+0xcd/0x170 [ 1338.640173][ T74] do_syscall_64+0xc6/0x1e0 [ 1338.640173][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1338.640173][ T74] [ 1348.785903][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1348.786336][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1348.786336][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1348.786336][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1348.786336][ T74] fib6_nh_init+0xa22/0x1580 [ 1348.786336][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1348.786336][ T74] ip6_route_add+0x1c/0x140 [ 1348.786336][ T74] inet6_rtm_newroute+0x104/0x110 [ 1348.786336][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1348.786336][ T74] netlink_rcv_skb+0x130/0x360 [ 1348.786336][ T74] netlink_unicast+0x449/0x710 [ 1348.786336][ T74] netlink_sendmsg+0x723/0xbe0 [ 1348.786336][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1348.786336][ T74] ___sys_sendmsg+0xee/0x170 [ 1348.786336][ T74] __sys_sendmsg+0xcd/0x170 [ 1348.786336][ T74] do_syscall_64+0xc6/0x1e0 [ 1348.786336][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1348.786336][ T74] [ 1348.788420][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1348.788420][ T74] netdev_get_by_index+0x5e/0x80 [ 1348.788420][ T74] fib6_nh_init+0x3d8/0x1580 [ 1348.788420][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1348.788420][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1348.788420][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1348.788420][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1348.788420][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1348.788420][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1348.788420][ T74] addrconf_dad_begin+0x310/0x670 [ 1348.788420][ T74] addrconf_dad_work+0x10b/0xab0 [ 1348.788420][ T74] process_one_work+0x84d/0x18a0 [ 1348.788420][ T74] worker_thread+0x587/0xd30 [ 1348.788420][ T74] kthread+0x28a/0x350 [ 1348.788420][ T74] ret_from_fork+0x31/0x70 [ 1348.788420][ T74] ret_from_fork_asm+0x1a/0x30 [ 1348.788420][ T74] [ 1348.790456][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1348.790456][ T74] netdev_get_by_index+0x5e/0x80 [ 1348.790456][ T74] fib6_nh_init+0x3d8/0x1580 [ 1348.790456][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1348.790456][ T74] ip6_route_add+0x1c/0x140 [ 1348.790456][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1348.790456][ T74] inet6_addr_add+0x4f8/0xa40 [ 1348.790456][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1348.790456][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1348.790456][ T74] netlink_rcv_skb+0x130/0x360 [ 1348.790456][ T74] netlink_unicast+0x449/0x710 [ 1348.790456][ T74] netlink_sendmsg+0x723/0xbe0 [ 1348.790456][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1348.790456][ T74] ___sys_sendmsg+0xee/0x170 [ 1348.790456][ T74] __sys_sendmsg+0xcd/0x170 [ 1348.790456][ T74] do_syscall_64+0xc6/0x1e0 [ 1348.790456][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1348.790456][ T74] [ 1348.792556][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1348.792556][ T74] netdev_get_by_index+0x5e/0x80 [ 1348.792556][ T74] fib6_nh_init+0x3d8/0x1580 [ 1348.792556][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1348.792556][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1348.792556][ T74] ipv6_add_addr+0x411/0x2000 [ 1348.792556][ T74] inet6_addr_add+0x30e/0xa40 [ 1348.792556][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1348.792556][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1348.792556][ T74] netlink_rcv_skb+0x130/0x360 [ 1348.792556][ T74] netlink_unicast+0x449/0x710 [ 1348.792556][ T74] netlink_sendmsg+0x723/0xbe0 [ 1348.792556][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1348.792556][ T74] ___sys_sendmsg+0xee/0x170 [ 1348.792556][ T74] __sys_sendmsg+0xcd/0x170 [ 1348.792556][ T74] do_syscall_64+0xc6/0x1e0 [ 1348.792556][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1348.792556][ T74] [ 1348.794793][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1348.794793][ T74] netdev_get_by_index+0x5e/0x80 [ 1348.794793][ T74] fib6_nh_init+0x3d8/0x1580 [ 1348.794793][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1348.794793][ T74] ip6_route_add+0x1c/0x140 [ 1348.794793][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1348.794793][ T74] addrconf_add_dev+0xe2/0x170 [ 1348.794793][ T74] inet6_addr_add+0x12f/0xa40 [ 1348.794793][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1348.794793][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1348.794793][ T74] netlink_rcv_skb+0x130/0x360 [ 1348.794793][ T74] netlink_unicast+0x449/0x710 [ 1348.794793][ T74] netlink_sendmsg+0x723/0xbe0 [ 1348.794793][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1348.794793][ T74] ___sys_sendmsg+0xee/0x170 [ 1348.794793][ T74] __sys_sendmsg+0xcd/0x170 [ 1348.794793][ T74] do_syscall_64+0xc6/0x1e0 [ 1348.794793][ T74] [ 1348.797234][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1348.797234][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1348.797234][ T74] ipv6_find_idev+0x102/0x170 [ 1348.797234][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1348.797234][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1348.797234][ T74] netlink_rcv_skb+0x130/0x360 [ 1348.797234][ T74] netlink_unicast+0x449/0x710 [ 1348.797234][ T74] netlink_sendmsg+0x723/0xbe0 [ 1348.797234][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1348.797234][ T74] ___sys_sendmsg+0xee/0x170 [ 1348.797234][ T74] __sys_sendmsg+0xcd/0x170 [ 1348.797234][ T74] do_syscall_64+0xc6/0x1e0 [ 1348.797234][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1348.797234][ T74] [ 1348.799017][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1348.799017][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1348.799017][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1348.799017][ T74] ipv6_find_idev+0x102/0x170 [ 1348.799017][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1348.799017][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1348.799017][ T74] netlink_rcv_skb+0x130/0x360 [ 1348.799017][ T74] netlink_unicast+0x449/0x710 [ 1348.799017][ T74] netlink_sendmsg+0x723/0xbe0 [ 1348.799017][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1348.799017][ T74] ___sys_sendmsg+0xee/0x170 [ 1348.799017][ T74] __sys_sendmsg+0xcd/0x170 [ 1348.799017][ T74] do_syscall_64+0xc6/0x1e0 [ 1348.799017][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1348.799017][ T74] [ 1348.801075][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1348.801432][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1348.801432][ T74] dst_init+0x84/0x4a0 [ 1348.801432][ T74] dst_alloc+0x97/0x150 [ 1348.801432][ T74] ip6_dst_alloc+0x23/0x90 [ 1348.801432][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1348.801432][ T74] ip6_pol_route+0x56f/0x840 [ 1348.801432][ T74] fib6_rule_lookup+0x456/0x630 [ 1348.801432][ T74] ip6_route_input+0x59c/0xa50 [ 1348.801432][ T74] ipv6_rcv+0x397/0x810 [ 1348.801432][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1348.801432][ T74] process_backlog+0x101/0x620 [ 1348.801432][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1348.801432][ T74] net_rx_action+0x495/0xbe0 [ 1348.801432][ T74] __do_softirq+0x1b5/0x7f6 [ 1348.801432][ T74] [ 1348.803360][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1348.803360][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1348.803360][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1348.803360][ T74] fib6_nh_init+0xa22/0x1580 [ 1348.803360][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1348.803360][ T74] ip6_route_add+0x1c/0x140 [ 1348.803360][ T74] inet6_rtm_newroute+0x104/0x110 [ 1348.803360][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1348.803360][ T74] netlink_rcv_skb+0x130/0x360 [ 1348.803360][ T74] netlink_unicast+0x449/0x710 [ 1348.803360][ T74] netlink_sendmsg+0x723/0xbe0 [ 1348.803360][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1348.803360][ T74] ___sys_sendmsg+0xee/0x170 [ 1348.803360][ T74] __sys_sendmsg+0xcd/0x170 [ 1348.803360][ T74] do_syscall_64+0xc6/0x1e0 [ 1348.803360][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1348.803360][ T74] [ 1348.805560][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1348.805560][ T74] netdev_get_by_index+0x5e/0x80 [ 1348.805560][ T74] fib6_nh_init+0x3d8/0x1580 [ 1348.805560][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1348.805560][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1348.805560][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1348.805560][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1348.805560][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1348.805560][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1348.805560][ T74] addrconf_dad_begin+0x310/0x670 [ 1348.805560][ T74] addrconf_dad_work+0x10b/0xab0 [ 1348.805560][ T74] process_one_work+0x84d/0x18a0 [ 1348.805560][ T74] worker_thread+0x587/0xd30 [ 1348.805560][ T74] kthread+0x28a/0x350 [ 1348.805560][ T74] ret_from_fork+0x31/0x70 [ 1348.805560][ T74] ret_from_fork_asm+0x1a/0x30 [ 1348.805560][ T74] [ 1348.808040][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1348.808040][ T74] netdev_get_by_index+0x5e/0x80 [ 1348.808040][ T74] fib6_nh_init+0x3d8/0x1580 [ 1348.808040][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1348.808040][ T74] ip6_route_add+0x1c/0x140 [ 1348.808040][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1348.808040][ T74] inet6_addr_add+0x4f8/0xa40 [ 1348.808040][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1348.808040][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1348.808040][ T74] netlink_rcv_skb+0x130/0x360 [ 1348.808040][ T74] netlink_unicast+0x449/0x710 [ 1348.808040][ T74] netlink_sendmsg+0x723/0xbe0 [ 1348.808040][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1348.808040][ T74] ___sys_sendmsg+0xee/0x170 [ 1348.808040][ T74] __sys_sendmsg+0xcd/0x170 [ 1348.808040][ T74] do_syscall_64+0xc6/0x1e0 [ 1348.808040][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1348.808040][ T74] [ 1348.810388][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1348.810388][ T74] netdev_get_by_index+0x5e/0x80 [ 1348.810388][ T74] fib6_nh_init+0x3d8/0x1580 [ 1348.810388][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1348.810388][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1348.810388][ T74] ipv6_add_addr+0x411/0x2000 [ 1348.810388][ T74] inet6_addr_add+0x30e/0xa40 [ 1348.810388][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1348.810388][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1348.810388][ T74] netlink_rcv_skb+0x130/0x360 [ 1348.810388][ T74] netlink_unicast+0x449/0x710 [ 1348.810388][ T74] netlink_sendmsg+0x723/0xbe0 [ 1348.810388][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1348.810388][ T74] ___sys_sendmsg+0xee/0x170 [ 1348.810388][ T74] __sys_sendmsg+0xcd/0x170 [ 1348.810388][ T74] do_syscall_64+0xc6/0x1e0 [ 1348.810388][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1348.810388][ T74] [ 1348.812859][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1348.812859][ T74] netdev_get_by_index+0x5e/0x80 [ 1348.812859][ T74] fib6_nh_init+0x3d8/0x1580 [ 1348.812859][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1348.812859][ T74] ip6_route_add+0x1c/0x140 [ 1348.812859][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1348.812859][ T74] addrconf_add_dev+0xe2/0x170 [ 1348.812859][ T74] inet6_addr_add+0x12f/0xa40 [ 1348.812859][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1348.812859][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1348.812859][ T74] netlink_rcv_skb+0x130/0x360 [ 1348.812859][ T74] netlink_unicast+0x449/0x710 [ 1348.812859][ T74] netlink_sendmsg+0x723/0xbe0 [ 1348.812859][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1348.812859][ T74] ___sys_sendmsg+0xee/0x170 [ 1348.812859][ T74] __sys_sendmsg+0xcd/0x170 [ 1348.812859][ T74] do_syscall_64+0xc6/0x1e0 [ 1348.812859][ T74] [ 1348.815129][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1348.815129][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1348.815129][ T74] ipv6_find_idev+0x102/0x170 [ 1348.815129][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1348.815129][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1348.815129][ T74] netlink_rcv_skb+0x130/0x360 [ 1348.815129][ T74] netlink_unicast+0x449/0x710 [ 1348.815129][ T74] netlink_sendmsg+0x723/0xbe0 [ 1348.815129][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1348.815129][ T74] ___sys_sendmsg+0xee/0x170 [ 1348.815129][ T74] __sys_sendmsg+0xcd/0x170 [ 1348.815129][ T74] do_syscall_64+0xc6/0x1e0 [ 1348.815129][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1348.815129][ T74] [ 1348.816955][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1348.816955][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1348.816955][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1348.816955][ T74] ipv6_find_idev+0x102/0x170 [ 1348.816955][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1348.816955][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1348.816955][ T74] netlink_rcv_skb+0x130/0x360 [ 1348.816955][ T74] netlink_unicast+0x449/0x710 [ 1348.816955][ T74] netlink_sendmsg+0x723/0xbe0 [ 1348.816955][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1348.816955][ T74] ___sys_sendmsg+0xee/0x170 [ 1348.816955][ T74] __sys_sendmsg+0xcd/0x170 [ 1348.816955][ T74] do_syscall_64+0xc6/0x1e0 [ 1348.816955][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1348.816955][ T74] [ 1348.818784][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1348.819051][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1348.819051][ T74] netdev_get_by_index+0x5e/0x80 [ 1348.819051][ T74] fib6_nh_init+0x3d8/0x1580 [ 1348.819051][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1348.819051][ T74] ip6_route_add+0x1c/0x140 [ 1348.819051][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1348.819051][ T74] inet6_addr_add+0x4f8/0xa40 [ 1348.819051][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1348.819051][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1348.819051][ T74] netlink_rcv_skb+0x130/0x360 [ 1348.819051][ T74] netlink_unicast+0x449/0x710 [ 1348.819051][ T74] netlink_sendmsg+0x723/0xbe0 [ 1348.819051][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1348.819051][ T74] ___sys_sendmsg+0xee/0x170 [ 1348.819051][ T74] __sys_sendmsg+0xcd/0x170 [ 1348.819051][ T74] do_syscall_64+0xc6/0x1e0 [ 1348.819051][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1348.819051][ T74] [ 1348.821306][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1348.821306][ T74] netdev_get_by_index+0x5e/0x80 [ 1348.821306][ T74] fib6_nh_init+0x3d8/0x1580 [ 1348.821306][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1348.821306][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1348.821306][ T74] ipv6_add_addr+0x411/0x2000 [ 1348.821306][ T74] inet6_addr_add+0x30e/0xa40 [ 1348.821306][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1348.821306][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1348.821306][ T74] netlink_rcv_skb+0x130/0x360 [ 1348.821306][ T74] netlink_unicast+0x449/0x710 [ 1348.821306][ T74] netlink_sendmsg+0x723/0xbe0 [ 1348.821306][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1348.821306][ T74] ___sys_sendmsg+0xee/0x170 [ 1348.821306][ T74] __sys_sendmsg+0xcd/0x170 [ 1348.821306][ T74] do_syscall_64+0xc6/0x1e0 [ 1348.821306][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1348.821306][ T74] [ 1348.823677][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1348.823677][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1348.823677][ T74] ipv6_find_idev+0x102/0x170 [ 1348.823677][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1348.823677][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1348.823677][ T74] netlink_rcv_skb+0x130/0x360 [ 1348.823677][ T74] netlink_unicast+0x449/0x710 [ 1348.823677][ T74] netlink_sendmsg+0x723/0xbe0 [ 1348.823677][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1348.823677][ T74] ___sys_sendmsg+0xee/0x170 [ 1348.823677][ T74] __sys_sendmsg+0xcd/0x170 [ 1348.823677][ T74] do_syscall_64+0xc6/0x1e0 [ 1348.823677][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1348.823677][ T74] [ 1348.825502][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1348.825502][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1348.825502][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1348.825502][ T74] ipv6_find_idev+0x102/0x170 [ 1348.825502][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1348.825502][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1348.825502][ T74] netlink_rcv_skb+0x130/0x360 [ 1348.825502][ T74] netlink_unicast+0x449/0x710 [ 1348.825502][ T74] netlink_sendmsg+0x723/0xbe0 [ 1348.825502][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1348.825502][ T74] ___sys_sendmsg+0xee/0x170 [ 1348.825502][ T74] __sys_sendmsg+0xcd/0x170 [ 1348.825502][ T74] do_syscall_64+0xc6/0x1e0 [ 1348.825502][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1348.825502][ T74] [ 1358.953898][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1358.954325][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1358.954325][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1358.954325][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1358.954325][ T74] fib6_nh_init+0xa22/0x1580 [ 1358.954325][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1358.954325][ T74] ip6_route_add+0x1c/0x140 [ 1358.954325][ T74] inet6_rtm_newroute+0x104/0x110 [ 1358.954325][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1358.954325][ T74] netlink_rcv_skb+0x130/0x360 [ 1358.954325][ T74] netlink_unicast+0x449/0x710 [ 1358.954325][ T74] netlink_sendmsg+0x723/0xbe0 [ 1358.954325][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1358.954325][ T74] ___sys_sendmsg+0xee/0x170 [ 1358.954325][ T74] __sys_sendmsg+0xcd/0x170 [ 1358.954325][ T74] do_syscall_64+0xc6/0x1e0 [ 1358.954325][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1358.954325][ T74] [ 1358.956326][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1358.956326][ T74] netdev_get_by_index+0x5e/0x80 [ 1358.956326][ T74] fib6_nh_init+0x3d8/0x1580 [ 1358.956326][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1358.956326][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1358.956326][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1358.956326][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1358.956326][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1358.956326][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1358.956326][ T74] addrconf_dad_begin+0x310/0x670 [ 1358.956326][ T74] addrconf_dad_work+0x10b/0xab0 [ 1358.956326][ T74] process_one_work+0x84d/0x18a0 [ 1358.956326][ T74] worker_thread+0x587/0xd30 [ 1358.956326][ T74] kthread+0x28a/0x350 [ 1358.956326][ T74] ret_from_fork+0x31/0x70 [ 1358.956326][ T74] ret_from_fork_asm+0x1a/0x30 [ 1358.956326][ T74] [ 1358.958333][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1358.958333][ T74] netdev_get_by_index+0x5e/0x80 [ 1358.958333][ T74] fib6_nh_init+0x3d8/0x1580 [ 1358.958333][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1358.958333][ T74] ip6_route_add+0x1c/0x140 [ 1358.958333][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1358.958333][ T74] inet6_addr_add+0x4f8/0xa40 [ 1358.958333][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1358.958333][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1358.958333][ T74] netlink_rcv_skb+0x130/0x360 [ 1358.958333][ T74] netlink_unicast+0x449/0x710 [ 1358.958333][ T74] netlink_sendmsg+0x723/0xbe0 [ 1358.958333][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1358.958333][ T74] ___sys_sendmsg+0xee/0x170 [ 1358.958333][ T74] __sys_sendmsg+0xcd/0x170 [ 1358.958333][ T74] do_syscall_64+0xc6/0x1e0 [ 1358.958333][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1358.958333][ T74] [ 1358.960451][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1358.960451][ T74] netdev_get_by_index+0x5e/0x80 [ 1358.960451][ T74] fib6_nh_init+0x3d8/0x1580 [ 1358.960451][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1358.960451][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1358.960451][ T74] ipv6_add_addr+0x411/0x2000 [ 1358.960451][ T74] inet6_addr_add+0x30e/0xa40 [ 1358.960451][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1358.960451][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1358.960451][ T74] netlink_rcv_skb+0x130/0x360 [ 1358.960451][ T74] netlink_unicast+0x449/0x710 [ 1358.960451][ T74] netlink_sendmsg+0x723/0xbe0 [ 1358.960451][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1358.960451][ T74] ___sys_sendmsg+0xee/0x170 [ 1358.960451][ T74] __sys_sendmsg+0xcd/0x170 [ 1358.960451][ T74] do_syscall_64+0xc6/0x1e0 [ 1358.960451][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1358.960451][ T74] [ 1358.962563][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1358.962563][ T74] netdev_get_by_index+0x5e/0x80 [ 1358.962563][ T74] fib6_nh_init+0x3d8/0x1580 [ 1358.962563][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1358.962563][ T74] ip6_route_add+0x1c/0x140 [ 1358.962563][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1358.962563][ T74] addrconf_add_dev+0xe2/0x170 [ 1358.962563][ T74] inet6_addr_add+0x12f/0xa40 [ 1358.962563][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1358.962563][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1358.962563][ T74] netlink_rcv_skb+0x130/0x360 [ 1358.962563][ T74] netlink_unicast+0x449/0x710 [ 1358.962563][ T74] netlink_sendmsg+0x723/0xbe0 [ 1358.962563][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1358.962563][ T74] ___sys_sendmsg+0xee/0x170 [ 1358.962563][ T74] __sys_sendmsg+0xcd/0x170 [ 1358.962563][ T74] do_syscall_64+0xc6/0x1e0 [ 1358.962563][ T74] [ 1358.964656][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1358.964656][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1358.964656][ T74] ipv6_find_idev+0x102/0x170 [ 1358.964656][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1358.964656][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1358.964656][ T74] netlink_rcv_skb+0x130/0x360 [ 1358.964656][ T74] netlink_unicast+0x449/0x710 [ 1358.964656][ T74] netlink_sendmsg+0x723/0xbe0 [ 1358.964656][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1358.964656][ T74] ___sys_sendmsg+0xee/0x170 [ 1358.964656][ T74] __sys_sendmsg+0xcd/0x170 [ 1358.964656][ T74] do_syscall_64+0xc6/0x1e0 [ 1358.964656][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1358.964656][ T74] [ 1358.966311][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1358.966311][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1358.966311][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1358.966311][ T74] ipv6_find_idev+0x102/0x170 [ 1358.966311][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1358.966311][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1358.966311][ T74] netlink_rcv_skb+0x130/0x360 [ 1358.966311][ T74] netlink_unicast+0x449/0x710 [ 1358.966311][ T74] netlink_sendmsg+0x723/0xbe0 [ 1358.966311][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1358.966311][ T74] ___sys_sendmsg+0xee/0x170 [ 1358.966311][ T74] __sys_sendmsg+0xcd/0x170 [ 1358.966311][ T74] do_syscall_64+0xc6/0x1e0 [ 1358.966311][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1358.966311][ T74] [ 1358.968427][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1358.968715][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1358.968715][ T74] dst_init+0x84/0x4a0 [ 1358.968715][ T74] dst_alloc+0x97/0x150 [ 1358.968715][ T74] ip6_dst_alloc+0x23/0x90 [ 1358.968715][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1358.968715][ T74] ip6_pol_route+0x56f/0x840 [ 1358.968715][ T74] fib6_rule_lookup+0x456/0x630 [ 1358.968715][ T74] ip6_route_input+0x59c/0xa50 [ 1358.968715][ T74] ipv6_rcv+0x397/0x810 [ 1358.968715][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1358.968715][ T74] process_backlog+0x101/0x620 [ 1358.968715][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1358.968715][ T74] net_rx_action+0x495/0xbe0 [ 1358.968715][ T74] __do_softirq+0x1b5/0x7f6 [ 1358.968715][ T74] [ 1358.970776][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1358.970776][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1358.970776][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1358.970776][ T74] fib6_nh_init+0xa22/0x1580 [ 1358.970776][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1358.970776][ T74] ip6_route_add+0x1c/0x140 [ 1358.970776][ T74] inet6_rtm_newroute+0x104/0x110 [ 1358.970776][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1358.970776][ T74] netlink_rcv_skb+0x130/0x360 [ 1358.970776][ T74] netlink_unicast+0x449/0x710 [ 1358.970776][ T74] netlink_sendmsg+0x723/0xbe0 [ 1358.970776][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1358.970776][ T74] ___sys_sendmsg+0xee/0x170 [ 1358.970776][ T74] __sys_sendmsg+0xcd/0x170 [ 1358.970776][ T74] do_syscall_64+0xc6/0x1e0 [ 1358.970776][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1358.970776][ T74] [ 1358.972952][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1358.972952][ T74] netdev_get_by_index+0x5e/0x80 [ 1358.972952][ T74] fib6_nh_init+0x3d8/0x1580 [ 1358.972952][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1358.972952][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1358.972952][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1358.972952][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1358.972952][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1358.972952][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1358.972952][ T74] addrconf_dad_begin+0x310/0x670 [ 1358.972952][ T74] addrconf_dad_work+0x10b/0xab0 [ 1358.972952][ T74] process_one_work+0x84d/0x18a0 [ 1358.972952][ T74] worker_thread+0x587/0xd30 [ 1358.972952][ T74] kthread+0x28a/0x350 [ 1358.972952][ T74] ret_from_fork+0x31/0x70 [ 1358.972952][ T74] ret_from_fork_asm+0x1a/0x30 [ 1358.972952][ T74] [ 1358.974973][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1358.974973][ T74] netdev_get_by_index+0x5e/0x80 [ 1358.974973][ T74] fib6_nh_init+0x3d8/0x1580 [ 1358.974973][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1358.974973][ T74] ip6_route_add+0x1c/0x140 [ 1358.974973][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1358.974973][ T74] inet6_addr_add+0x4f8/0xa40 [ 1358.974973][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1358.974973][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1358.974973][ T74] netlink_rcv_skb+0x130/0x360 [ 1358.974973][ T74] netlink_unicast+0x449/0x710 [ 1358.974973][ T74] netlink_sendmsg+0x723/0xbe0 [ 1358.974973][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1358.974973][ T74] ___sys_sendmsg+0xee/0x170 [ 1358.974973][ T74] __sys_sendmsg+0xcd/0x170 [ 1358.974973][ T74] do_syscall_64+0xc6/0x1e0 [ 1358.974973][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1358.974973][ T74] [ 1358.977523][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1358.977523][ T74] netdev_get_by_index+0x5e/0x80 [ 1358.977523][ T74] fib6_nh_init+0x3d8/0x1580 [ 1358.977523][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1358.977523][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1358.977523][ T74] ipv6_add_addr+0x411/0x2000 [ 1358.977523][ T74] inet6_addr_add+0x30e/0xa40 [ 1358.977523][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1358.977523][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1358.977523][ T74] netlink_rcv_skb+0x130/0x360 [ 1358.977523][ T74] netlink_unicast+0x449/0x710 [ 1358.977523][ T74] netlink_sendmsg+0x723/0xbe0 [ 1358.977523][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1358.977523][ T74] ___sys_sendmsg+0xee/0x170 [ 1358.977523][ T74] __sys_sendmsg+0xcd/0x170 [ 1358.977523][ T74] do_syscall_64+0xc6/0x1e0 [ 1358.977523][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1358.977523][ T74] [ 1358.979903][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1358.979903][ T74] netdev_get_by_index+0x5e/0x80 [ 1358.979903][ T74] fib6_nh_init+0x3d8/0x1580 [ 1358.979903][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1358.979903][ T74] ip6_route_add+0x1c/0x140 [ 1358.979903][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1358.979903][ T74] addrconf_add_dev+0xe2/0x170 [ 1358.979903][ T74] inet6_addr_add+0x12f/0xa40 [ 1358.979903][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1358.979903][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1358.979903][ T74] netlink_rcv_skb+0x130/0x360 [ 1358.979903][ T74] netlink_unicast+0x449/0x710 [ 1358.979903][ T74] netlink_sendmsg+0x723/0xbe0 [ 1358.979903][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1358.979903][ T74] ___sys_sendmsg+0xee/0x170 [ 1358.979903][ T74] __sys_sendmsg+0xcd/0x170 [ 1358.979903][ T74] do_syscall_64+0xc6/0x1e0 [ 1358.979903][ T74] [ 1358.982145][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1358.982145][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1358.982145][ T74] ipv6_find_idev+0x102/0x170 [ 1358.982145][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1358.982145][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1358.982145][ T74] netlink_rcv_skb+0x130/0x360 [ 1358.982145][ T74] netlink_unicast+0x449/0x710 [ 1358.982145][ T74] netlink_sendmsg+0x723/0xbe0 [ 1358.982145][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1358.982145][ T74] ___sys_sendmsg+0xee/0x170 [ 1358.982145][ T74] __sys_sendmsg+0xcd/0x170 [ 1358.982145][ T74] do_syscall_64+0xc6/0x1e0 [ 1358.982145][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1358.982145][ T74] [ 1358.984145][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1358.984145][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1358.984145][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1358.984145][ T74] ipv6_find_idev+0x102/0x170 [ 1358.984145][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1358.984145][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1358.984145][ T74] netlink_rcv_skb+0x130/0x360 [ 1358.984145][ T74] netlink_unicast+0x449/0x710 [ 1358.984145][ T74] netlink_sendmsg+0x723/0xbe0 [ 1358.984145][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1358.984145][ T74] ___sys_sendmsg+0xee/0x170 [ 1358.984145][ T74] __sys_sendmsg+0xcd/0x170 [ 1358.984145][ T74] do_syscall_64+0xc6/0x1e0 [ 1358.984145][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1358.984145][ T74] [ 1358.986043][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1358.986299][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1358.986299][ T74] netdev_get_by_index+0x5e/0x80 [ 1358.986299][ T74] fib6_nh_init+0x3d8/0x1580 [ 1358.986299][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1358.986299][ T74] ip6_route_add+0x1c/0x140 [ 1358.986299][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1358.986299][ T74] inet6_addr_add+0x4f8/0xa40 [ 1358.986299][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1358.986299][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1358.986299][ T74] netlink_rcv_skb+0x130/0x360 [ 1358.986299][ T74] netlink_unicast+0x449/0x710 [ 1358.986299][ T74] netlink_sendmsg+0x723/0xbe0 [ 1358.986299][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1358.986299][ T74] ___sys_sendmsg+0xee/0x170 [ 1358.986299][ T74] __sys_sendmsg+0xcd/0x170 [ 1358.986299][ T74] do_syscall_64+0xc6/0x1e0 [ 1358.986299][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1358.986299][ T74] [ 1358.988393][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1358.988393][ T74] netdev_get_by_index+0x5e/0x80 [ 1358.988393][ T74] fib6_nh_init+0x3d8/0x1580 [ 1358.988393][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1358.988393][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1358.988393][ T74] ipv6_add_addr+0x411/0x2000 [ 1358.988393][ T74] inet6_addr_add+0x30e/0xa40 [ 1358.988393][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1358.988393][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1358.988393][ T74] netlink_rcv_skb+0x130/0x360 [ 1358.988393][ T74] netlink_unicast+0x449/0x710 [ 1358.988393][ T74] netlink_sendmsg+0x723/0xbe0 [ 1358.988393][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1358.988393][ T74] ___sys_sendmsg+0xee/0x170 [ 1358.988393][ T74] __sys_sendmsg+0xcd/0x170 [ 1358.988393][ T74] do_syscall_64+0xc6/0x1e0 [ 1358.988393][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1358.988393][ T74] [ 1358.990437][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1358.990437][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1358.990437][ T74] ipv6_find_idev+0x102/0x170 [ 1358.990437][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1358.990437][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1358.990437][ T74] netlink_rcv_skb+0x130/0x360 [ 1358.990437][ T74] netlink_unicast+0x449/0x710 [ 1358.990437][ T74] netlink_sendmsg+0x723/0xbe0 [ 1358.990437][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1358.990437][ T74] ___sys_sendmsg+0xee/0x170 [ 1358.990437][ T74] __sys_sendmsg+0xcd/0x170 [ 1358.990437][ T74] do_syscall_64+0xc6/0x1e0 [ 1358.990437][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1358.990437][ T74] [ 1358.992129][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1358.992129][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1358.992129][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1358.992129][ T74] ipv6_find_idev+0x102/0x170 [ 1358.992129][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1358.992129][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1358.992129][ T74] netlink_rcv_skb+0x130/0x360 [ 1358.992129][ T74] netlink_unicast+0x449/0x710 [ 1358.992129][ T74] netlink_sendmsg+0x723/0xbe0 [ 1358.992129][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1358.992129][ T74] ___sys_sendmsg+0xee/0x170 [ 1358.992129][ T74] __sys_sendmsg+0xcd/0x170 [ 1358.992129][ T74] do_syscall_64+0xc6/0x1e0 [ 1358.992129][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1358.992129][ T74] [ 1369.080866][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1369.081324][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1369.081324][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1369.081324][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1369.081324][ T74] fib6_nh_init+0xa22/0x1580 [ 1369.081324][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1369.081324][ T74] ip6_route_add+0x1c/0x140 [ 1369.081324][ T74] inet6_rtm_newroute+0x104/0x110 [ 1369.081324][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1369.081324][ T74] netlink_rcv_skb+0x130/0x360 [ 1369.081324][ T74] netlink_unicast+0x449/0x710 [ 1369.081324][ T74] netlink_sendmsg+0x723/0xbe0 [ 1369.081324][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1369.081324][ T74] ___sys_sendmsg+0xee/0x170 [ 1369.081324][ T74] __sys_sendmsg+0xcd/0x170 [ 1369.081324][ T74] do_syscall_64+0xc6/0x1e0 [ 1369.081324][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1369.081324][ T74] [ 1369.083565][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1369.083565][ T74] netdev_get_by_index+0x5e/0x80 [ 1369.083565][ T74] fib6_nh_init+0x3d8/0x1580 [ 1369.083565][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1369.083565][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1369.083565][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1369.083565][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1369.083565][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1369.083565][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1369.083565][ T74] addrconf_dad_begin+0x310/0x670 [ 1369.083565][ T74] addrconf_dad_work+0x10b/0xab0 [ 1369.083565][ T74] process_one_work+0x84d/0x18a0 [ 1369.083565][ T74] worker_thread+0x587/0xd30 [ 1369.083565][ T74] kthread+0x28a/0x350 [ 1369.083565][ T74] ret_from_fork+0x31/0x70 [ 1369.083565][ T74] ret_from_fork_asm+0x1a/0x30 [ 1369.083565][ T74] [ 1369.085911][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1369.085911][ T74] netdev_get_by_index+0x5e/0x80 [ 1369.085911][ T74] fib6_nh_init+0x3d8/0x1580 [ 1369.085911][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1369.085911][ T74] ip6_route_add+0x1c/0x140 [ 1369.085911][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1369.085911][ T74] inet6_addr_add+0x4f8/0xa40 [ 1369.085911][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1369.085911][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1369.085911][ T74] netlink_rcv_skb+0x130/0x360 [ 1369.085911][ T74] netlink_unicast+0x449/0x710 [ 1369.085911][ T74] netlink_sendmsg+0x723/0xbe0 [ 1369.085911][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1369.085911][ T74] ___sys_sendmsg+0xee/0x170 [ 1369.085911][ T74] __sys_sendmsg+0xcd/0x170 [ 1369.085911][ T74] do_syscall_64+0xc6/0x1e0 [ 1369.085911][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1369.085911][ T74] [ 1369.089438][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1369.089438][ T74] netdev_get_by_index+0x5e/0x80 [ 1369.089438][ T74] fib6_nh_init+0x3d8/0x1580 [ 1369.089438][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1369.089438][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1369.089438][ T74] ipv6_add_addr+0x411/0x2000 [ 1369.089438][ T74] inet6_addr_add+0x30e/0xa40 [ 1369.089438][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1369.089438][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1369.089438][ T74] netlink_rcv_skb+0x130/0x360 [ 1369.089438][ T74] netlink_unicast+0x449/0x710 [ 1369.089438][ T74] netlink_sendmsg+0x723/0xbe0 [ 1369.089438][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1369.089438][ T74] ___sys_sendmsg+0xee/0x170 [ 1369.089438][ T74] __sys_sendmsg+0xcd/0x170 [ 1369.089438][ T74] do_syscall_64+0xc6/0x1e0 [ 1369.089438][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1369.089438][ T74] [ 1369.093185][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1369.093185][ T74] netdev_get_by_index+0x5e/0x80 [ 1369.093185][ T74] fib6_nh_init+0x3d8/0x1580 [ 1369.093185][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1369.093185][ T74] ip6_route_add+0x1c/0x140 [ 1369.093185][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1369.093185][ T74] addrconf_add_dev+0xe2/0x170 [ 1369.093185][ T74] inet6_addr_add+0x12f/0xa40 [ 1369.093185][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1369.093185][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1369.093185][ T74] netlink_rcv_skb+0x130/0x360 [ 1369.093185][ T74] netlink_unicast+0x449/0x710 [ 1369.093185][ T74] netlink_sendmsg+0x723/0xbe0 [ 1369.093185][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1369.093185][ T74] ___sys_sendmsg+0xee/0x170 [ 1369.093185][ T74] __sys_sendmsg+0xcd/0x170 [ 1369.093185][ T74] do_syscall_64+0xc6/0x1e0 [ 1369.093185][ T74] [ 1369.097376][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1369.097376][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1369.097376][ T74] ipv6_find_idev+0x102/0x170 [ 1369.097376][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1369.097376][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1369.097376][ T74] netlink_rcv_skb+0x130/0x360 [ 1369.097376][ T74] netlink_unicast+0x449/0x710 [ 1369.097376][ T74] netlink_sendmsg+0x723/0xbe0 [ 1369.097376][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1369.097376][ T74] ___sys_sendmsg+0xee/0x170 [ 1369.097376][ T74] __sys_sendmsg+0xcd/0x170 [ 1369.097376][ T74] do_syscall_64+0xc6/0x1e0 [ 1369.097376][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1369.097376][ T74] [ 1369.100388][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1369.100388][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1369.100388][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1369.100388][ T74] ipv6_find_idev+0x102/0x170 [ 1369.100388][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1369.100388][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1369.100388][ T74] netlink_rcv_skb+0x130/0x360 [ 1369.100388][ T74] netlink_unicast+0x449/0x710 [ 1369.100388][ T74] netlink_sendmsg+0x723/0xbe0 [ 1369.100388][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1369.100388][ T74] ___sys_sendmsg+0xee/0x170 [ 1369.100388][ T74] __sys_sendmsg+0xcd/0x170 [ 1369.100388][ T74] do_syscall_64+0xc6/0x1e0 [ 1369.100388][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1369.100388][ T74] [ 1369.103817][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1369.105006][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1369.105006][ T74] dst_init+0x84/0x4a0 [ 1369.105006][ T74] dst_alloc+0x97/0x150 [ 1369.105006][ T74] ip6_dst_alloc+0x23/0x90 [ 1369.105006][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1369.105006][ T74] ip6_pol_route+0x56f/0x840 [ 1369.105006][ T74] fib6_rule_lookup+0x456/0x630 [ 1369.105006][ T74] ip6_route_input+0x59c/0xa50 [ 1369.105006][ T74] ipv6_rcv+0x397/0x810 [ 1369.105006][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1369.105006][ T74] process_backlog+0x101/0x620 [ 1369.105006][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1369.105006][ T74] net_rx_action+0x495/0xbe0 [ 1369.105006][ T74] __do_softirq+0x1b5/0x7f6 [ 1369.105006][ T74] [ 1369.107818][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1369.107818][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1369.107818][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1369.107818][ T74] fib6_nh_init+0xa22/0x1580 [ 1369.107818][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1369.107818][ T74] ip6_route_add+0x1c/0x140 [ 1369.107818][ T74] inet6_rtm_newroute+0x104/0x110 [ 1369.107818][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1369.107818][ T74] netlink_rcv_skb+0x130/0x360 [ 1369.107818][ T74] netlink_unicast+0x449/0x710 [ 1369.107818][ T74] netlink_sendmsg+0x723/0xbe0 [ 1369.107818][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1369.107818][ T74] ___sys_sendmsg+0xee/0x170 [ 1369.107818][ T74] __sys_sendmsg+0xcd/0x170 [ 1369.107818][ T74] do_syscall_64+0xc6/0x1e0 [ 1369.107818][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1369.107818][ T74] [ 1369.111526][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1369.111526][ T74] netdev_get_by_index+0x5e/0x80 [ 1369.111526][ T74] fib6_nh_init+0x3d8/0x1580 [ 1369.111526][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1369.111526][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1369.111526][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1369.111526][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1369.111526][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1369.111526][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1369.111526][ T74] addrconf_dad_begin+0x310/0x670 [ 1369.111526][ T74] addrconf_dad_work+0x10b/0xab0 [ 1369.111526][ T74] process_one_work+0x84d/0x18a0 [ 1369.111526][ T74] worker_thread+0x587/0xd30 [ 1369.111526][ T74] kthread+0x28a/0x350 [ 1369.111526][ T74] ret_from_fork+0x31/0x70 [ 1369.111526][ T74] ret_from_fork_asm+0x1a/0x30 [ 1369.111526][ T74] [ 1369.115428][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1369.115428][ T74] netdev_get_by_index+0x5e/0x80 [ 1369.115428][ T74] fib6_nh_init+0x3d8/0x1580 [ 1369.115428][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1369.115428][ T74] ip6_route_add+0x1c/0x140 [ 1369.115428][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1369.115428][ T74] inet6_addr_add+0x4f8/0xa40 [ 1369.115428][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1369.115428][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1369.115428][ T74] netlink_rcv_skb+0x130/0x360 [ 1369.115428][ T74] netlink_unicast+0x449/0x710 [ 1369.115428][ T74] netlink_sendmsg+0x723/0xbe0 [ 1369.115428][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1369.115428][ T74] ___sys_sendmsg+0xee/0x170 [ 1369.115428][ T74] __sys_sendmsg+0xcd/0x170 [ 1369.115428][ T74] do_syscall_64+0xc6/0x1e0 [ 1369.115428][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1369.115428][ T74] [ 1369.119250][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1369.119250][ T74] netdev_get_by_index+0x5e/0x80 [ 1369.119250][ T74] fib6_nh_init+0x3d8/0x1580 [ 1369.119250][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1369.119250][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1369.119250][ T74] ipv6_add_addr+0x411/0x2000 [ 1369.119250][ T74] inet6_addr_add+0x30e/0xa40 [ 1369.119250][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1369.119250][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1369.119250][ T74] netlink_rcv_skb+0x130/0x360 [ 1369.119250][ T74] netlink_unicast+0x449/0x710 [ 1369.119250][ T74] netlink_sendmsg+0x723/0xbe0 [ 1369.119250][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1369.119250][ T74] ___sys_sendmsg+0xee/0x170 [ 1369.119250][ T74] __sys_sendmsg+0xcd/0x170 [ 1369.119250][ T74] do_syscall_64+0xc6/0x1e0 [ 1369.119250][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1369.119250][ T74] [ 1369.123375][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1369.123375][ T74] netdev_get_by_index+0x5e/0x80 [ 1369.123375][ T74] fib6_nh_init+0x3d8/0x1580 [ 1369.123375][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1369.123375][ T74] ip6_route_add+0x1c/0x140 [ 1369.123375][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1369.123375][ T74] addrconf_add_dev+0xe2/0x170 [ 1369.123375][ T74] inet6_addr_add+0x12f/0xa40 [ 1369.123375][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1369.123375][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1369.123375][ T74] netlink_rcv_skb+0x130/0x360 [ 1369.123375][ T74] netlink_unicast+0x449/0x710 [ 1369.123375][ T74] netlink_sendmsg+0x723/0xbe0 [ 1369.123375][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1369.123375][ T74] ___sys_sendmsg+0xee/0x170 [ 1369.123375][ T74] __sys_sendmsg+0xcd/0x170 [ 1369.123375][ T74] do_syscall_64+0xc6/0x1e0 [ 1369.123375][ T74] [ 1369.126970][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1369.126970][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1369.126970][ T74] ipv6_find_idev+0x102/0x170 [ 1369.126970][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1369.126970][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1369.126970][ T74] netlink_rcv_skb+0x130/0x360 [ 1369.126970][ T74] netlink_unicast+0x449/0x710 [ 1369.126970][ T74] netlink_sendmsg+0x723/0xbe0 [ 1369.126970][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1369.126970][ T74] ___sys_sendmsg+0xee/0x170 [ 1369.126970][ T74] __sys_sendmsg+0xcd/0x170 [ 1369.126970][ T74] do_syscall_64+0xc6/0x1e0 [ 1369.126970][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1369.126970][ T74] [ 1369.130322][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1369.130322][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1369.130322][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1369.130322][ T74] ipv6_find_idev+0x102/0x170 [ 1369.130322][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1369.130322][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1369.130322][ T74] netlink_rcv_skb+0x130/0x360 [ 1369.130322][ T74] netlink_unicast+0x449/0x710 [ 1369.130322][ T74] netlink_sendmsg+0x723/0xbe0 [ 1369.130322][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1369.130322][ T74] ___sys_sendmsg+0xee/0x170 [ 1369.130322][ T74] __sys_sendmsg+0xcd/0x170 [ 1369.130322][ T74] do_syscall_64+0xc6/0x1e0 [ 1369.130322][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1369.130322][ T74] [ 1369.133640][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1369.134160][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1369.134160][ T74] netdev_get_by_index+0x5e/0x80 [ 1369.134160][ T74] fib6_nh_init+0x3d8/0x1580 [ 1369.134160][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1369.134160][ T74] ip6_route_add+0x1c/0x140 [ 1369.134160][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1369.134160][ T74] inet6_addr_add+0x4f8/0xa40 [ 1369.134160][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1369.134160][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1369.134160][ T74] netlink_rcv_skb+0x130/0x360 [ 1369.134160][ T74] netlink_unicast+0x449/0x710 [ 1369.134160][ T74] netlink_sendmsg+0x723/0xbe0 [ 1369.134160][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1369.134160][ T74] ___sys_sendmsg+0xee/0x170 [ 1369.134160][ T74] __sys_sendmsg+0xcd/0x170 [ 1369.134160][ T74] do_syscall_64+0xc6/0x1e0 [ 1369.134160][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1369.134160][ T74] [ 1369.137585][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1369.137585][ T74] netdev_get_by_index+0x5e/0x80 [ 1369.137585][ T74] fib6_nh_init+0x3d8/0x1580 [ 1369.137585][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1369.137585][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1369.137585][ T74] ipv6_add_addr+0x411/0x2000 [ 1369.137585][ T74] inet6_addr_add+0x30e/0xa40 [ 1369.137585][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1369.137585][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1369.137585][ T74] netlink_rcv_skb+0x130/0x360 [ 1369.137585][ T74] netlink_unicast+0x449/0x710 [ 1369.137585][ T74] netlink_sendmsg+0x723/0xbe0 [ 1369.137585][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1369.137585][ T74] ___sys_sendmsg+0xee/0x170 [ 1369.137585][ T74] __sys_sendmsg+0xcd/0x170 [ 1369.137585][ T74] do_syscall_64+0xc6/0x1e0 [ 1369.137585][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1369.137585][ T74] [ 1369.141016][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1369.141016][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1369.141016][ T74] ipv6_find_idev+0x102/0x170 [ 1369.141016][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1369.141016][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1369.141016][ T74] netlink_rcv_skb+0x130/0x360 [ 1369.141016][ T74] netlink_unicast+0x449/0x710 [ 1369.141016][ T74] netlink_sendmsg+0x723/0xbe0 [ 1369.141016][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1369.141016][ T74] ___sys_sendmsg+0xee/0x170 [ 1369.141016][ T74] __sys_sendmsg+0xcd/0x170 [ 1369.141016][ T74] do_syscall_64+0xc6/0x1e0 [ 1369.141016][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1369.141016][ T74] [ 1369.144125][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1369.144125][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1369.144125][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1369.144125][ T74] ipv6_find_idev+0x102/0x170 [ 1369.144125][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1369.144125][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1369.144125][ T74] netlink_rcv_skb+0x130/0x360 [ 1369.144125][ T74] netlink_unicast+0x449/0x710 [ 1369.144125][ T74] netlink_sendmsg+0x723/0xbe0 [ 1369.144125][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1369.144125][ T74] ___sys_sendmsg+0xee/0x170 [ 1369.144125][ T74] __sys_sendmsg+0xcd/0x170 [ 1369.144125][ T74] do_syscall_64+0xc6/0x1e0 [ 1369.144125][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1369.144125][ T74] [ 1379.255869][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1379.256338][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1379.256338][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1379.256338][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1379.256338][ T74] fib6_nh_init+0xa22/0x1580 [ 1379.256338][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1379.256338][ T74] ip6_route_add+0x1c/0x140 [ 1379.256338][ T74] inet6_rtm_newroute+0x104/0x110 [ 1379.256338][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1379.256338][ T74] netlink_rcv_skb+0x130/0x360 [ 1379.256338][ T74] netlink_unicast+0x449/0x710 [ 1379.256338][ T74] netlink_sendmsg+0x723/0xbe0 [ 1379.256338][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1379.256338][ T74] ___sys_sendmsg+0xee/0x170 [ 1379.256338][ T74] __sys_sendmsg+0xcd/0x170 [ 1379.256338][ T74] do_syscall_64+0xc6/0x1e0 [ 1379.256338][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1379.256338][ T74] [ 1379.258319][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1379.258319][ T74] netdev_get_by_index+0x5e/0x80 [ 1379.258319][ T74] fib6_nh_init+0x3d8/0x1580 [ 1379.258319][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1379.258319][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1379.258319][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1379.258319][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1379.258319][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1379.258319][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1379.258319][ T74] addrconf_dad_begin+0x310/0x670 [ 1379.258319][ T74] addrconf_dad_work+0x10b/0xab0 [ 1379.258319][ T74] process_one_work+0x84d/0x18a0 [ 1379.258319][ T74] worker_thread+0x587/0xd30 [ 1379.258319][ T74] kthread+0x28a/0x350 [ 1379.258319][ T74] ret_from_fork+0x31/0x70 [ 1379.258319][ T74] ret_from_fork_asm+0x1a/0x30 [ 1379.258319][ T74] [ 1379.260287][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1379.260287][ T74] netdev_get_by_index+0x5e/0x80 [ 1379.260287][ T74] fib6_nh_init+0x3d8/0x1580 [ 1379.260287][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1379.260287][ T74] ip6_route_add+0x1c/0x140 [ 1379.260287][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1379.260287][ T74] inet6_addr_add+0x4f8/0xa40 [ 1379.260287][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1379.260287][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1379.260287][ T74] netlink_rcv_skb+0x130/0x360 [ 1379.260287][ T74] netlink_unicast+0x449/0x710 [ 1379.260287][ T74] netlink_sendmsg+0x723/0xbe0 [ 1379.260287][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1379.260287][ T74] ___sys_sendmsg+0xee/0x170 [ 1379.260287][ T74] __sys_sendmsg+0xcd/0x170 [ 1379.260287][ T74] do_syscall_64+0xc6/0x1e0 [ 1379.260287][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1379.260287][ T74] [ 1379.262377][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1379.262377][ T74] netdev_get_by_index+0x5e/0x80 [ 1379.262377][ T74] fib6_nh_init+0x3d8/0x1580 [ 1379.262377][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1379.262377][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1379.262377][ T74] ipv6_add_addr+0x411/0x2000 [ 1379.262377][ T74] inet6_addr_add+0x30e/0xa40 [ 1379.262377][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1379.262377][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1379.262377][ T74] netlink_rcv_skb+0x130/0x360 [ 1379.262377][ T74] netlink_unicast+0x449/0x710 [ 1379.262377][ T74] netlink_sendmsg+0x723/0xbe0 [ 1379.262377][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1379.262377][ T74] ___sys_sendmsg+0xee/0x170 [ 1379.262377][ T74] __sys_sendmsg+0xcd/0x170 [ 1379.262377][ T74] do_syscall_64+0xc6/0x1e0 [ 1379.262377][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1379.262377][ T74] [ 1379.264430][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1379.264430][ T74] netdev_get_by_index+0x5e/0x80 [ 1379.264430][ T74] fib6_nh_init+0x3d8/0x1580 [ 1379.264430][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1379.264430][ T74] ip6_route_add+0x1c/0x140 [ 1379.264430][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1379.264430][ T74] addrconf_add_dev+0xe2/0x170 [ 1379.264430][ T74] inet6_addr_add+0x12f/0xa40 [ 1379.264430][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1379.264430][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1379.264430][ T74] netlink_rcv_skb+0x130/0x360 [ 1379.264430][ T74] netlink_unicast+0x449/0x710 [ 1379.264430][ T74] netlink_sendmsg+0x723/0xbe0 [ 1379.264430][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1379.264430][ T74] ___sys_sendmsg+0xee/0x170 [ 1379.264430][ T74] __sys_sendmsg+0xcd/0x170 [ 1379.264430][ T74] do_syscall_64+0xc6/0x1e0 [ 1379.264430][ T74] [ 1379.266476][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1379.266476][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1379.266476][ T74] ipv6_find_idev+0x102/0x170 [ 1379.266476][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1379.266476][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1379.266476][ T74] netlink_rcv_skb+0x130/0x360 [ 1379.266476][ T74] netlink_unicast+0x449/0x710 [ 1379.266476][ T74] netlink_sendmsg+0x723/0xbe0 [ 1379.266476][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1379.266476][ T74] ___sys_sendmsg+0xee/0x170 [ 1379.266476][ T74] __sys_sendmsg+0xcd/0x170 [ 1379.266476][ T74] do_syscall_64+0xc6/0x1e0 [ 1379.266476][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1379.266476][ T74] [ 1379.268101][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1379.268101][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1379.268101][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1379.268101][ T74] ipv6_find_idev+0x102/0x170 [ 1379.268101][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1379.268101][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1379.268101][ T74] netlink_rcv_skb+0x130/0x360 [ 1379.268101][ T74] netlink_unicast+0x449/0x710 [ 1379.268101][ T74] netlink_sendmsg+0x723/0xbe0 [ 1379.268101][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1379.268101][ T74] ___sys_sendmsg+0xee/0x170 [ 1379.268101][ T74] __sys_sendmsg+0xcd/0x170 [ 1379.268101][ T74] do_syscall_64+0xc6/0x1e0 [ 1379.268101][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1379.268101][ T74] [ 1379.269877][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1379.270243][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1379.270243][ T74] dst_init+0x84/0x4a0 [ 1379.270243][ T74] dst_alloc+0x97/0x150 [ 1379.270243][ T74] ip6_dst_alloc+0x23/0x90 [ 1379.270243][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1379.270243][ T74] ip6_pol_route+0x56f/0x840 [ 1379.270243][ T74] fib6_rule_lookup+0x456/0x630 [ 1379.270243][ T74] ip6_route_input+0x59c/0xa50 [ 1379.270243][ T74] ipv6_rcv+0x397/0x810 [ 1379.270243][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1379.270243][ T74] process_backlog+0x101/0x620 [ 1379.270243][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1379.270243][ T74] net_rx_action+0x495/0xbe0 [ 1379.270243][ T74] __do_softirq+0x1b5/0x7f6 [ 1379.270243][ T74] [ 1379.272024][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1379.272024][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1379.272024][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1379.272024][ T74] fib6_nh_init+0xa22/0x1580 [ 1379.272024][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1379.272024][ T74] ip6_route_add+0x1c/0x140 [ 1379.272024][ T74] inet6_rtm_newroute+0x104/0x110 [ 1379.272024][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1379.272024][ T74] netlink_rcv_skb+0x130/0x360 [ 1379.272024][ T74] netlink_unicast+0x449/0x710 [ 1379.272024][ T74] netlink_sendmsg+0x723/0xbe0 [ 1379.272024][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1379.272024][ T74] ___sys_sendmsg+0xee/0x170 [ 1379.272024][ T74] __sys_sendmsg+0xcd/0x170 [ 1379.272024][ T74] do_syscall_64+0xc6/0x1e0 [ 1379.272024][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1379.272024][ T74] [ 1379.274060][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1379.274060][ T74] netdev_get_by_index+0x5e/0x80 [ 1379.274060][ T74] fib6_nh_init+0x3d8/0x1580 [ 1379.274060][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1379.274060][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1379.274060][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1379.274060][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1379.274060][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1379.274060][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1379.274060][ T74] addrconf_dad_begin+0x310/0x670 [ 1379.274060][ T74] addrconf_dad_work+0x10b/0xab0 [ 1379.274060][ T74] process_one_work+0x84d/0x18a0 [ 1379.274060][ T74] worker_thread+0x587/0xd30 [ 1379.274060][ T74] kthread+0x28a/0x350 [ 1379.274060][ T74] ret_from_fork+0x31/0x70 [ 1379.274060][ T74] ret_from_fork_asm+0x1a/0x30 [ 1379.274060][ T74] [ 1379.276032][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1379.276032][ T74] netdev_get_by_index+0x5e/0x80 [ 1379.276032][ T74] fib6_nh_init+0x3d8/0x1580 [ 1379.276032][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1379.276032][ T74] ip6_route_add+0x1c/0x140 [ 1379.276032][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1379.276032][ T74] inet6_addr_add+0x4f8/0xa40 [ 1379.276032][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1379.276032][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1379.276032][ T74] netlink_rcv_skb+0x130/0x360 [ 1379.276032][ T74] netlink_unicast+0x449/0x710 [ 1379.276032][ T74] netlink_sendmsg+0x723/0xbe0 [ 1379.276032][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1379.276032][ T74] ___sys_sendmsg+0xee/0x170 [ 1379.276032][ T74] __sys_sendmsg+0xcd/0x170 [ 1379.276032][ T74] do_syscall_64+0xc6/0x1e0 [ 1379.276032][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1379.276032][ T74] [ 1379.278075][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1379.278075][ T74] netdev_get_by_index+0x5e/0x80 [ 1379.278075][ T74] fib6_nh_init+0x3d8/0x1580 [ 1379.278075][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1379.278075][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1379.278075][ T74] ipv6_add_addr+0x411/0x2000 [ 1379.278075][ T74] inet6_addr_add+0x30e/0xa40 [ 1379.278075][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1379.278075][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1379.278075][ T74] netlink_rcv_skb+0x130/0x360 [ 1379.278075][ T74] netlink_unicast+0x449/0x710 [ 1379.278075][ T74] netlink_sendmsg+0x723/0xbe0 [ 1379.278075][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1379.278075][ T74] ___sys_sendmsg+0xee/0x170 [ 1379.278075][ T74] __sys_sendmsg+0xcd/0x170 [ 1379.278075][ T74] do_syscall_64+0xc6/0x1e0 [ 1379.278075][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1379.278075][ T74] [ 1379.280101][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1379.280101][ T74] netdev_get_by_index+0x5e/0x80 [ 1379.280101][ T74] fib6_nh_init+0x3d8/0x1580 [ 1379.280101][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1379.280101][ T74] ip6_route_add+0x1c/0x140 [ 1379.280101][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1379.280101][ T74] addrconf_add_dev+0xe2/0x170 [ 1379.280101][ T74] inet6_addr_add+0x12f/0xa40 [ 1379.280101][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1379.280101][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1379.280101][ T74] netlink_rcv_skb+0x130/0x360 [ 1379.280101][ T74] netlink_unicast+0x449/0x710 [ 1379.280101][ T74] netlink_sendmsg+0x723/0xbe0 [ 1379.280101][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1379.280101][ T74] ___sys_sendmsg+0xee/0x170 [ 1379.280101][ T74] __sys_sendmsg+0xcd/0x170 [ 1379.280101][ T74] do_syscall_64+0xc6/0x1e0 [ 1379.280101][ T74] [ 1379.282186][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1379.282186][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1379.282186][ T74] ipv6_find_idev+0x102/0x170 [ 1379.282186][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1379.282186][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1379.282186][ T74] netlink_rcv_skb+0x130/0x360 [ 1379.282186][ T74] netlink_unicast+0x449/0x710 [ 1379.282186][ T74] netlink_sendmsg+0x723/0xbe0 [ 1379.282186][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1379.282186][ T74] ___sys_sendmsg+0xee/0x170 [ 1379.282186][ T74] __sys_sendmsg+0xcd/0x170 [ 1379.282186][ T74] do_syscall_64+0xc6/0x1e0 [ 1379.282186][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1379.282186][ T74] [ 1379.283989][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1379.283989][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1379.283989][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1379.283989][ T74] ipv6_find_idev+0x102/0x170 [ 1379.283989][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1379.283989][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1379.283989][ T74] netlink_rcv_skb+0x130/0x360 [ 1379.283989][ T74] netlink_unicast+0x449/0x710 [ 1379.283989][ T74] netlink_sendmsg+0x723/0xbe0 [ 1379.283989][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1379.283989][ T74] ___sys_sendmsg+0xee/0x170 [ 1379.283989][ T74] __sys_sendmsg+0xcd/0x170 [ 1379.283989][ T74] do_syscall_64+0xc6/0x1e0 [ 1379.283989][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1379.283989][ T74] [ 1379.285982][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1379.286235][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1379.286235][ T74] netdev_get_by_index+0x5e/0x80 [ 1379.286235][ T74] fib6_nh_init+0x3d8/0x1580 [ 1379.286235][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1379.286235][ T74] ip6_route_add+0x1c/0x140 [ 1379.286235][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1379.286235][ T74] inet6_addr_add+0x4f8/0xa40 [ 1379.286235][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1379.286235][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1379.286235][ T74] netlink_rcv_skb+0x130/0x360 [ 1379.286235][ T74] netlink_unicast+0x449/0x710 [ 1379.286235][ T74] netlink_sendmsg+0x723/0xbe0 [ 1379.286235][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1379.286235][ T74] ___sys_sendmsg+0xee/0x170 [ 1379.286235][ T74] __sys_sendmsg+0xcd/0x170 [ 1379.286235][ T74] do_syscall_64+0xc6/0x1e0 [ 1379.286235][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1379.286235][ T74] [ 1379.288675][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1379.288675][ T74] netdev_get_by_index+0x5e/0x80 [ 1379.288675][ T74] fib6_nh_init+0x3d8/0x1580 [ 1379.288675][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1379.288675][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1379.288675][ T74] ipv6_add_addr+0x411/0x2000 [ 1379.288675][ T74] inet6_addr_add+0x30e/0xa40 [ 1379.288675][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1379.288675][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1379.288675][ T74] netlink_rcv_skb+0x130/0x360 [ 1379.288675][ T74] netlink_unicast+0x449/0x710 [ 1379.288675][ T74] netlink_sendmsg+0x723/0xbe0 [ 1379.288675][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1379.288675][ T74] ___sys_sendmsg+0xee/0x170 [ 1379.288675][ T74] __sys_sendmsg+0xcd/0x170 [ 1379.288675][ T74] do_syscall_64+0xc6/0x1e0 [ 1379.288675][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1379.288675][ T74] [ 1379.291053][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1379.291053][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1379.291053][ T74] ipv6_find_idev+0x102/0x170 [ 1379.291053][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1379.291053][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1379.291053][ T74] netlink_rcv_skb+0x130/0x360 [ 1379.291053][ T74] netlink_unicast+0x449/0x710 [ 1379.291053][ T74] netlink_sendmsg+0x723/0xbe0 [ 1379.291053][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1379.291053][ T74] ___sys_sendmsg+0xee/0x170 [ 1379.291053][ T74] __sys_sendmsg+0xcd/0x170 [ 1379.291053][ T74] do_syscall_64+0xc6/0x1e0 [ 1379.291053][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1379.291053][ T74] [ 1379.292882][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1379.292882][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1379.292882][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1379.292882][ T74] ipv6_find_idev+0x102/0x170 [ 1379.292882][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1379.292882][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1379.292882][ T74] netlink_rcv_skb+0x130/0x360 [ 1379.292882][ T74] netlink_unicast+0x449/0x710 [ 1379.292882][ T74] netlink_sendmsg+0x723/0xbe0 [ 1379.292882][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1379.292882][ T74] ___sys_sendmsg+0xee/0x170 [ 1379.292882][ T74] __sys_sendmsg+0xcd/0x170 [ 1379.292882][ T74] do_syscall_64+0xc6/0x1e0 [ 1379.292882][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1379.292882][ T74] [ 1389.408882][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1389.409366][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1389.409366][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1389.409366][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1389.409366][ T74] fib6_nh_init+0xa22/0x1580 [ 1389.409366][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1389.409366][ T74] ip6_route_add+0x1c/0x140 [ 1389.409366][ T74] inet6_rtm_newroute+0x104/0x110 [ 1389.409366][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1389.409366][ T74] netlink_rcv_skb+0x130/0x360 [ 1389.409366][ T74] netlink_unicast+0x449/0x710 [ 1389.409366][ T74] netlink_sendmsg+0x723/0xbe0 [ 1389.409366][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1389.409366][ T74] ___sys_sendmsg+0xee/0x170 [ 1389.409366][ T74] __sys_sendmsg+0xcd/0x170 [ 1389.409366][ T74] do_syscall_64+0xc6/0x1e0 [ 1389.409366][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1389.409366][ T74] [ 1389.411467][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1389.411467][ T74] netdev_get_by_index+0x5e/0x80 [ 1389.411467][ T74] fib6_nh_init+0x3d8/0x1580 [ 1389.411467][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1389.411467][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1389.411467][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1389.411467][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1389.411467][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1389.411467][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1389.411467][ T74] addrconf_dad_begin+0x310/0x670 [ 1389.411467][ T74] addrconf_dad_work+0x10b/0xab0 [ 1389.411467][ T74] process_one_work+0x84d/0x18a0 [ 1389.411467][ T74] worker_thread+0x587/0xd30 [ 1389.411467][ T74] kthread+0x28a/0x350 [ 1389.411467][ T74] ret_from_fork+0x31/0x70 [ 1389.411467][ T74] ret_from_fork_asm+0x1a/0x30 [ 1389.411467][ T74] [ 1389.413535][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1389.413535][ T74] netdev_get_by_index+0x5e/0x80 [ 1389.413535][ T74] fib6_nh_init+0x3d8/0x1580 [ 1389.413535][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1389.413535][ T74] ip6_route_add+0x1c/0x140 [ 1389.413535][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1389.413535][ T74] inet6_addr_add+0x4f8/0xa40 [ 1389.413535][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1389.413535][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1389.413535][ T74] netlink_rcv_skb+0x130/0x360 [ 1389.413535][ T74] netlink_unicast+0x449/0x710 [ 1389.413535][ T74] netlink_sendmsg+0x723/0xbe0 [ 1389.413535][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1389.413535][ T74] ___sys_sendmsg+0xee/0x170 [ 1389.413535][ T74] __sys_sendmsg+0xcd/0x170 [ 1389.413535][ T74] do_syscall_64+0xc6/0x1e0 [ 1389.413535][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1389.413535][ T74] [ 1389.415720][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1389.415720][ T74] netdev_get_by_index+0x5e/0x80 [ 1389.415720][ T74] fib6_nh_init+0x3d8/0x1580 [ 1389.415720][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1389.415720][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1389.415720][ T74] ipv6_add_addr+0x411/0x2000 [ 1389.415720][ T74] inet6_addr_add+0x30e/0xa40 [ 1389.415720][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1389.415720][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1389.415720][ T74] netlink_rcv_skb+0x130/0x360 [ 1389.415720][ T74] netlink_unicast+0x449/0x710 [ 1389.415720][ T74] netlink_sendmsg+0x723/0xbe0 [ 1389.415720][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1389.415720][ T74] ___sys_sendmsg+0xee/0x170 [ 1389.415720][ T74] __sys_sendmsg+0xcd/0x170 [ 1389.415720][ T74] do_syscall_64+0xc6/0x1e0 [ 1389.415720][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1389.415720][ T74] [ 1389.417963][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1389.417963][ T74] netdev_get_by_index+0x5e/0x80 [ 1389.417963][ T74] fib6_nh_init+0x3d8/0x1580 [ 1389.417963][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1389.417963][ T74] ip6_route_add+0x1c/0x140 [ 1389.417963][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1389.417963][ T74] addrconf_add_dev+0xe2/0x170 [ 1389.417963][ T74] inet6_addr_add+0x12f/0xa40 [ 1389.417963][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1389.417963][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1389.417963][ T74] netlink_rcv_skb+0x130/0x360 [ 1389.417963][ T74] netlink_unicast+0x449/0x710 [ 1389.417963][ T74] netlink_sendmsg+0x723/0xbe0 [ 1389.417963][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1389.417963][ T74] ___sys_sendmsg+0xee/0x170 [ 1389.417963][ T74] __sys_sendmsg+0xcd/0x170 [ 1389.417963][ T74] do_syscall_64+0xc6/0x1e0 [ 1389.417963][ T74] [ 1389.420202][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1389.420202][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1389.420202][ T74] ipv6_find_idev+0x102/0x170 [ 1389.420202][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1389.420202][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1389.420202][ T74] netlink_rcv_skb+0x130/0x360 [ 1389.420202][ T74] netlink_unicast+0x449/0x710 [ 1389.420202][ T74] netlink_sendmsg+0x723/0xbe0 [ 1389.420202][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1389.420202][ T74] ___sys_sendmsg+0xee/0x170 [ 1389.420202][ T74] __sys_sendmsg+0xcd/0x170 [ 1389.420202][ T74] do_syscall_64+0xc6/0x1e0 [ 1389.420202][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1389.420202][ T74] [ 1389.422088][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1389.422088][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1389.422088][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1389.422088][ T74] ipv6_find_idev+0x102/0x170 [ 1389.422088][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1389.422088][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1389.422088][ T74] netlink_rcv_skb+0x130/0x360 [ 1389.422088][ T74] netlink_unicast+0x449/0x710 [ 1389.422088][ T74] netlink_sendmsg+0x723/0xbe0 [ 1389.422088][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1389.422088][ T74] ___sys_sendmsg+0xee/0x170 [ 1389.422088][ T74] __sys_sendmsg+0xcd/0x170 [ 1389.422088][ T74] do_syscall_64+0xc6/0x1e0 [ 1389.422088][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1389.422088][ T74] [ 1389.424149][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1389.424448][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1389.424448][ T74] dst_init+0x84/0x4a0 [ 1389.424448][ T74] dst_alloc+0x97/0x150 [ 1389.424448][ T74] ip6_dst_alloc+0x23/0x90 [ 1389.424448][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1389.424448][ T74] ip6_pol_route+0x56f/0x840 [ 1389.424448][ T74] fib6_rule_lookup+0x456/0x630 [ 1389.424448][ T74] ip6_route_input+0x59c/0xa50 [ 1389.424448][ T74] ipv6_rcv+0x397/0x810 [ 1389.424448][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1389.424448][ T74] process_backlog+0x101/0x620 [ 1389.424448][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1389.424448][ T74] net_rx_action+0x495/0xbe0 [ 1389.424448][ T74] __do_softirq+0x1b5/0x7f6 [ 1389.424448][ T74] [ 1389.426404][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1389.426404][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1389.426404][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1389.426404][ T74] fib6_nh_init+0xa22/0x1580 [ 1389.426404][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1389.426404][ T74] ip6_route_add+0x1c/0x140 [ 1389.426404][ T74] inet6_rtm_newroute+0x104/0x110 [ 1389.426404][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1389.426404][ T74] netlink_rcv_skb+0x130/0x360 [ 1389.426404][ T74] netlink_unicast+0x449/0x710 [ 1389.426404][ T74] netlink_sendmsg+0x723/0xbe0 [ 1389.426404][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1389.426404][ T74] ___sys_sendmsg+0xee/0x170 [ 1389.426404][ T74] __sys_sendmsg+0xcd/0x170 [ 1389.426404][ T74] do_syscall_64+0xc6/0x1e0 [ 1389.426404][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1389.426404][ T74] [ 1389.428712][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1389.428712][ T74] netdev_get_by_index+0x5e/0x80 [ 1389.428712][ T74] fib6_nh_init+0x3d8/0x1580 [ 1389.428712][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1389.428712][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1389.428712][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1389.428712][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1389.428712][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1389.428712][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1389.428712][ T74] addrconf_dad_begin+0x310/0x670 [ 1389.428712][ T74] addrconf_dad_work+0x10b/0xab0 [ 1389.428712][ T74] process_one_work+0x84d/0x18a0 [ 1389.428712][ T74] worker_thread+0x587/0xd30 [ 1389.428712][ T74] kthread+0x28a/0x350 [ 1389.428712][ T74] ret_from_fork+0x31/0x70 [ 1389.428712][ T74] ret_from_fork_asm+0x1a/0x30 [ 1389.428712][ T74] [ 1389.430995][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1389.430995][ T74] netdev_get_by_index+0x5e/0x80 [ 1389.430995][ T74] fib6_nh_init+0x3d8/0x1580 [ 1389.430995][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1389.430995][ T74] ip6_route_add+0x1c/0x140 [ 1389.430995][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1389.430995][ T74] inet6_addr_add+0x4f8/0xa40 [ 1389.430995][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1389.430995][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1389.430995][ T74] netlink_rcv_skb+0x130/0x360 [ 1389.430995][ T74] netlink_unicast+0x449/0x710 [ 1389.430995][ T74] netlink_sendmsg+0x723/0xbe0 [ 1389.430995][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1389.430995][ T74] ___sys_sendmsg+0xee/0x170 [ 1389.430995][ T74] __sys_sendmsg+0xcd/0x170 [ 1389.430995][ T74] do_syscall_64+0xc6/0x1e0 [ 1389.430995][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1389.430995][ T74] [ 1389.433581][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1389.433581][ T74] netdev_get_by_index+0x5e/0x80 [ 1389.433581][ T74] fib6_nh_init+0x3d8/0x1580 [ 1389.433581][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1389.433581][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1389.433581][ T74] ipv6_add_addr+0x411/0x2000 [ 1389.433581][ T74] inet6_addr_add+0x30e/0xa40 [ 1389.433581][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1389.433581][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1389.433581][ T74] netlink_rcv_skb+0x130/0x360 [ 1389.433581][ T74] netlink_unicast+0x449/0x710 [ 1389.433581][ T74] netlink_sendmsg+0x723/0xbe0 [ 1389.433581][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1389.433581][ T74] ___sys_sendmsg+0xee/0x170 [ 1389.433581][ T74] __sys_sendmsg+0xcd/0x170 [ 1389.433581][ T74] do_syscall_64+0xc6/0x1e0 [ 1389.433581][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1389.433581][ T74] [ 1389.436139][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1389.436139][ T74] netdev_get_by_index+0x5e/0x80 [ 1389.436139][ T74] fib6_nh_init+0x3d8/0x1580 [ 1389.436139][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1389.436139][ T74] ip6_route_add+0x1c/0x140 [ 1389.436139][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1389.436139][ T74] addrconf_add_dev+0xe2/0x170 [ 1389.436139][ T74] inet6_addr_add+0x12f/0xa40 [ 1389.436139][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1389.436139][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1389.436139][ T74] netlink_rcv_skb+0x130/0x360 [ 1389.436139][ T74] netlink_unicast+0x449/0x710 [ 1389.436139][ T74] netlink_sendmsg+0x723/0xbe0 [ 1389.436139][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1389.436139][ T74] ___sys_sendmsg+0xee/0x170 [ 1389.436139][ T74] __sys_sendmsg+0xcd/0x170 [ 1389.436139][ T74] do_syscall_64+0xc6/0x1e0 [ 1389.436139][ T74] [ 1389.438526][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1389.438526][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1389.438526][ T74] ipv6_find_idev+0x102/0x170 [ 1389.438526][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1389.438526][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1389.438526][ T74] netlink_rcv_skb+0x130/0x360 [ 1389.438526][ T74] netlink_unicast+0x449/0x710 [ 1389.438526][ T74] netlink_sendmsg+0x723/0xbe0 [ 1389.438526][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1389.438526][ T74] ___sys_sendmsg+0xee/0x170 [ 1389.438526][ T74] __sys_sendmsg+0xcd/0x170 [ 1389.438526][ T74] do_syscall_64+0xc6/0x1e0 [ 1389.438526][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1389.438526][ T74] [ 1389.440467][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1389.440467][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1389.440467][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1389.440467][ T74] ipv6_find_idev+0x102/0x170 [ 1389.440467][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1389.440467][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1389.440467][ T74] netlink_rcv_skb+0x130/0x360 [ 1389.440467][ T74] netlink_unicast+0x449/0x710 [ 1389.440467][ T74] netlink_sendmsg+0x723/0xbe0 [ 1389.440467][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1389.440467][ T74] ___sys_sendmsg+0xee/0x170 [ 1389.440467][ T74] __sys_sendmsg+0xcd/0x170 [ 1389.440467][ T74] do_syscall_64+0xc6/0x1e0 [ 1389.440467][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1389.440467][ T74] [ 1389.442744][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1389.443068][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1389.443068][ T74] netdev_get_by_index+0x5e/0x80 [ 1389.443068][ T74] fib6_nh_init+0x3d8/0x1580 [ 1389.443068][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1389.443068][ T74] ip6_route_add+0x1c/0x140 [ 1389.443068][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1389.443068][ T74] inet6_addr_add+0x4f8/0xa40 [ 1389.443068][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1389.443068][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1389.443068][ T74] netlink_rcv_skb+0x130/0x360 [ 1389.443068][ T74] netlink_unicast+0x449/0x710 [ 1389.443068][ T74] netlink_sendmsg+0x723/0xbe0 [ 1389.443068][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1389.443068][ T74] ___sys_sendmsg+0xee/0x170 [ 1389.443068][ T74] __sys_sendmsg+0xcd/0x170 [ 1389.443068][ T74] do_syscall_64+0xc6/0x1e0 [ 1389.443068][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1389.443068][ T74] [ 1389.445326][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1389.445326][ T74] netdev_get_by_index+0x5e/0x80 [ 1389.445326][ T74] fib6_nh_init+0x3d8/0x1580 [ 1389.445326][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1389.445326][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1389.445326][ T74] ipv6_add_addr+0x411/0x2000 [ 1389.445326][ T74] inet6_addr_add+0x30e/0xa40 [ 1389.445326][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1389.445326][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1389.445326][ T74] netlink_rcv_skb+0x130/0x360 [ 1389.445326][ T74] netlink_unicast+0x449/0x710 [ 1389.445326][ T74] netlink_sendmsg+0x723/0xbe0 [ 1389.445326][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1389.445326][ T74] ___sys_sendmsg+0xee/0x170 [ 1389.445326][ T74] __sys_sendmsg+0xcd/0x170 [ 1389.445326][ T74] do_syscall_64+0xc6/0x1e0 [ 1389.445326][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1389.445326][ T74] [ 1389.447904][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1389.447904][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1389.447904][ T74] ipv6_find_idev+0x102/0x170 [ 1389.447904][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1389.447904][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1389.447904][ T74] netlink_rcv_skb+0x130/0x360 [ 1389.447904][ T74] netlink_unicast+0x449/0x710 [ 1389.447904][ T74] netlink_sendmsg+0x723/0xbe0 [ 1389.447904][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1389.447904][ T74] ___sys_sendmsg+0xee/0x170 [ 1389.447904][ T74] __sys_sendmsg+0xcd/0x170 [ 1389.447904][ T74] do_syscall_64+0xc6/0x1e0 [ 1389.447904][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1389.447904][ T74] [ 1389.449784][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1389.449784][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1389.449784][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1389.449784][ T74] ipv6_find_idev+0x102/0x170 [ 1389.449784][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1389.449784][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1389.449784][ T74] netlink_rcv_skb+0x130/0x360 [ 1389.449784][ T74] netlink_unicast+0x449/0x710 [ 1389.449784][ T74] netlink_sendmsg+0x723/0xbe0 [ 1389.449784][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1389.449784][ T74] ___sys_sendmsg+0xee/0x170 [ 1389.449784][ T74] __sys_sendmsg+0xcd/0x170 [ 1389.449784][ T74] do_syscall_64+0xc6/0x1e0 [ 1389.449784][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1389.449784][ T74] [ 1399.599910][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1399.600373][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1399.600373][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1399.600373][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1399.600373][ T74] fib6_nh_init+0xa22/0x1580 [ 1399.600373][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1399.600373][ T74] ip6_route_add+0x1c/0x140 [ 1399.600373][ T74] inet6_rtm_newroute+0x104/0x110 [ 1399.600373][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1399.600373][ T74] netlink_rcv_skb+0x130/0x360 [ 1399.600373][ T74] netlink_unicast+0x449/0x710 [ 1399.600373][ T74] netlink_sendmsg+0x723/0xbe0 [ 1399.600373][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1399.600373][ T74] ___sys_sendmsg+0xee/0x170 [ 1399.600373][ T74] __sys_sendmsg+0xcd/0x170 [ 1399.600373][ T74] do_syscall_64+0xc6/0x1e0 [ 1399.600373][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1399.600373][ T74] [ 1399.602631][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1399.602631][ T74] netdev_get_by_index+0x5e/0x80 [ 1399.602631][ T74] fib6_nh_init+0x3d8/0x1580 [ 1399.602631][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1399.602631][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1399.602631][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1399.602631][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1399.602631][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1399.602631][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1399.602631][ T74] addrconf_dad_begin+0x310/0x670 [ 1399.602631][ T74] addrconf_dad_work+0x10b/0xab0 [ 1399.602631][ T74] process_one_work+0x84d/0x18a0 [ 1399.602631][ T74] worker_thread+0x587/0xd30 [ 1399.602631][ T74] kthread+0x28a/0x350 [ 1399.602631][ T74] ret_from_fork+0x31/0x70 [ 1399.602631][ T74] ret_from_fork_asm+0x1a/0x30 [ 1399.602631][ T74] [ 1399.604879][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1399.604879][ T74] netdev_get_by_index+0x5e/0x80 [ 1399.604879][ T74] fib6_nh_init+0x3d8/0x1580 [ 1399.604879][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1399.604879][ T74] ip6_route_add+0x1c/0x140 [ 1399.604879][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1399.604879][ T74] inet6_addr_add+0x4f8/0xa40 [ 1399.604879][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1399.604879][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1399.604879][ T74] netlink_rcv_skb+0x130/0x360 [ 1399.604879][ T74] netlink_unicast+0x449/0x710 [ 1399.604879][ T74] netlink_sendmsg+0x723/0xbe0 [ 1399.604879][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1399.604879][ T74] ___sys_sendmsg+0xee/0x170 [ 1399.604879][ T74] __sys_sendmsg+0xcd/0x170 [ 1399.604879][ T74] do_syscall_64+0xc6/0x1e0 [ 1399.604879][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1399.604879][ T74] [ 1399.607174][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1399.607174][ T74] netdev_get_by_index+0x5e/0x80 [ 1399.607174][ T74] fib6_nh_init+0x3d8/0x1580 [ 1399.607174][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1399.607174][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1399.607174][ T74] ipv6_add_addr+0x411/0x2000 [ 1399.607174][ T74] inet6_addr_add+0x30e/0xa40 [ 1399.607174][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1399.607174][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1399.607174][ T74] netlink_rcv_skb+0x130/0x360 [ 1399.607174][ T74] netlink_unicast+0x449/0x710 [ 1399.607174][ T74] netlink_sendmsg+0x723/0xbe0 [ 1399.607174][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1399.607174][ T74] ___sys_sendmsg+0xee/0x170 [ 1399.607174][ T74] __sys_sendmsg+0xcd/0x170 [ 1399.607174][ T74] do_syscall_64+0xc6/0x1e0 [ 1399.607174][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1399.607174][ T74] [ 1399.609517][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1399.609517][ T74] netdev_get_by_index+0x5e/0x80 [ 1399.609517][ T74] fib6_nh_init+0x3d8/0x1580 [ 1399.609517][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1399.609517][ T74] ip6_route_add+0x1c/0x140 [ 1399.609517][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1399.609517][ T74] addrconf_add_dev+0xe2/0x170 [ 1399.609517][ T74] inet6_addr_add+0x12f/0xa40 [ 1399.609517][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1399.609517][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1399.609517][ T74] netlink_rcv_skb+0x130/0x360 [ 1399.609517][ T74] netlink_unicast+0x449/0x710 [ 1399.609517][ T74] netlink_sendmsg+0x723/0xbe0 [ 1399.609517][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1399.609517][ T74] ___sys_sendmsg+0xee/0x170 [ 1399.609517][ T74] __sys_sendmsg+0xcd/0x170 [ 1399.609517][ T74] do_syscall_64+0xc6/0x1e0 [ 1399.609517][ T74] [ 1399.611791][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1399.611791][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1399.611791][ T74] ipv6_find_idev+0x102/0x170 [ 1399.611791][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1399.611791][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1399.611791][ T74] netlink_rcv_skb+0x130/0x360 [ 1399.611791][ T74] netlink_unicast+0x449/0x710 [ 1399.611791][ T74] netlink_sendmsg+0x723/0xbe0 [ 1399.611791][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1399.611791][ T74] ___sys_sendmsg+0xee/0x170 [ 1399.611791][ T74] __sys_sendmsg+0xcd/0x170 [ 1399.611791][ T74] do_syscall_64+0xc6/0x1e0 [ 1399.611791][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1399.611791][ T74] [ 1399.613638][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1399.613638][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1399.613638][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1399.613638][ T74] ipv6_find_idev+0x102/0x170 [ 1399.613638][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1399.613638][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1399.613638][ T74] netlink_rcv_skb+0x130/0x360 [ 1399.613638][ T74] netlink_unicast+0x449/0x710 [ 1399.613638][ T74] netlink_sendmsg+0x723/0xbe0 [ 1399.613638][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1399.613638][ T74] ___sys_sendmsg+0xee/0x170 [ 1399.613638][ T74] __sys_sendmsg+0xcd/0x170 [ 1399.613638][ T74] do_syscall_64+0xc6/0x1e0 [ 1399.613638][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1399.613638][ T74] [ 1399.615727][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1399.616129][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1399.616129][ T74] dst_init+0x84/0x4a0 [ 1399.616129][ T74] dst_alloc+0x97/0x150 [ 1399.616129][ T74] ip6_dst_alloc+0x23/0x90 [ 1399.616129][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1399.616129][ T74] ip6_pol_route+0x56f/0x840 [ 1399.616129][ T74] fib6_rule_lookup+0x456/0x630 [ 1399.616129][ T74] ip6_route_input+0x59c/0xa50 [ 1399.616129][ T74] ipv6_rcv+0x397/0x810 [ 1399.616129][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1399.616129][ T74] process_backlog+0x101/0x620 [ 1399.616129][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1399.616129][ T74] net_rx_action+0x495/0xbe0 [ 1399.616129][ T74] __do_softirq+0x1b5/0x7f6 [ 1399.616129][ T74] [ 1399.618345][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1399.618345][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1399.618345][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1399.618345][ T74] fib6_nh_init+0xa22/0x1580 [ 1399.618345][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1399.618345][ T74] ip6_route_add+0x1c/0x140 [ 1399.618345][ T74] inet6_rtm_newroute+0x104/0x110 [ 1399.618345][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1399.618345][ T74] netlink_rcv_skb+0x130/0x360 [ 1399.618345][ T74] netlink_unicast+0x449/0x710 [ 1399.618345][ T74] netlink_sendmsg+0x723/0xbe0 [ 1399.618345][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1399.618345][ T74] ___sys_sendmsg+0xee/0x170 [ 1399.618345][ T74] __sys_sendmsg+0xcd/0x170 [ 1399.618345][ T74] do_syscall_64+0xc6/0x1e0 [ 1399.618345][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1399.618345][ T74] [ 1399.620857][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1399.620857][ T74] netdev_get_by_index+0x5e/0x80 [ 1399.620857][ T74] fib6_nh_init+0x3d8/0x1580 [ 1399.620857][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1399.620857][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1399.620857][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1399.620857][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1399.620857][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1399.620857][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1399.620857][ T74] addrconf_dad_begin+0x310/0x670 [ 1399.620857][ T74] addrconf_dad_work+0x10b/0xab0 [ 1399.620857][ T74] process_one_work+0x84d/0x18a0 [ 1399.620857][ T74] worker_thread+0x587/0xd30 [ 1399.620857][ T74] kthread+0x28a/0x350 [ 1399.620857][ T74] ret_from_fork+0x31/0x70 [ 1399.620857][ T74] ret_from_fork_asm+0x1a/0x30 [ 1399.620857][ T74] [ 1399.623421][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1399.623421][ T74] netdev_get_by_index+0x5e/0x80 [ 1399.623421][ T74] fib6_nh_init+0x3d8/0x1580 [ 1399.623421][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1399.623421][ T74] ip6_route_add+0x1c/0x140 [ 1399.623421][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1399.623421][ T74] inet6_addr_add+0x4f8/0xa40 [ 1399.623421][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1399.623421][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1399.623421][ T74] netlink_rcv_skb+0x130/0x360 [ 1399.623421][ T74] netlink_unicast+0x449/0x710 [ 1399.623421][ T74] netlink_sendmsg+0x723/0xbe0 [ 1399.623421][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1399.623421][ T74] ___sys_sendmsg+0xee/0x170 [ 1399.623421][ T74] __sys_sendmsg+0xcd/0x170 [ 1399.623421][ T74] do_syscall_64+0xc6/0x1e0 [ 1399.623421][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1399.623421][ T74] [ 1399.626147][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1399.626147][ T74] netdev_get_by_index+0x5e/0x80 [ 1399.626147][ T74] fib6_nh_init+0x3d8/0x1580 [ 1399.626147][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1399.626147][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1399.626147][ T74] ipv6_add_addr+0x411/0x2000 [ 1399.626147][ T74] inet6_addr_add+0x30e/0xa40 [ 1399.626147][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1399.626147][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1399.626147][ T74] netlink_rcv_skb+0x130/0x360 [ 1399.626147][ T74] netlink_unicast+0x449/0x710 [ 1399.626147][ T74] netlink_sendmsg+0x723/0xbe0 [ 1399.626147][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1399.626147][ T74] ___sys_sendmsg+0xee/0x170 [ 1399.626147][ T74] __sys_sendmsg+0xcd/0x170 [ 1399.626147][ T74] do_syscall_64+0xc6/0x1e0 [ 1399.626147][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1399.626147][ T74] [ 1399.628712][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1399.628712][ T74] netdev_get_by_index+0x5e/0x80 [ 1399.628712][ T74] fib6_nh_init+0x3d8/0x1580 [ 1399.628712][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1399.628712][ T74] ip6_route_add+0x1c/0x140 [ 1399.628712][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1399.628712][ T74] addrconf_add_dev+0xe2/0x170 [ 1399.628712][ T74] inet6_addr_add+0x12f/0xa40 [ 1399.628712][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1399.628712][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1399.628712][ T74] netlink_rcv_skb+0x130/0x360 [ 1399.628712][ T74] netlink_unicast+0x449/0x710 [ 1399.628712][ T74] netlink_sendmsg+0x723/0xbe0 [ 1399.628712][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1399.628712][ T74] ___sys_sendmsg+0xee/0x170 [ 1399.628712][ T74] __sys_sendmsg+0xcd/0x170 [ 1399.628712][ T74] do_syscall_64+0xc6/0x1e0 [ 1399.628712][ T74] [ 1399.631193][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1399.631193][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1399.631193][ T74] ipv6_find_idev+0x102/0x170 [ 1399.631193][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1399.631193][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1399.631193][ T74] netlink_rcv_skb+0x130/0x360 [ 1399.631193][ T74] netlink_unicast+0x449/0x710 [ 1399.631193][ T74] netlink_sendmsg+0x723/0xbe0 [ 1399.631193][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1399.631193][ T74] ___sys_sendmsg+0xee/0x170 [ 1399.631193][ T74] __sys_sendmsg+0xcd/0x170 [ 1399.631193][ T74] do_syscall_64+0xc6/0x1e0 [ 1399.631193][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1399.631193][ T74] [ 1399.633378][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1399.633378][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1399.633378][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1399.633378][ T74] ipv6_find_idev+0x102/0x170 [ 1399.633378][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1399.633378][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1399.633378][ T74] netlink_rcv_skb+0x130/0x360 [ 1399.633378][ T74] netlink_unicast+0x449/0x710 [ 1399.633378][ T74] netlink_sendmsg+0x723/0xbe0 [ 1399.633378][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1399.633378][ T74] ___sys_sendmsg+0xee/0x170 [ 1399.633378][ T74] __sys_sendmsg+0xcd/0x170 [ 1399.633378][ T74] do_syscall_64+0xc6/0x1e0 [ 1399.633378][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1399.633378][ T74] [ 1399.635473][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1399.635757][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1399.635757][ T74] netdev_get_by_index+0x5e/0x80 [ 1399.635757][ T74] fib6_nh_init+0x3d8/0x1580 [ 1399.635757][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1399.635757][ T74] ip6_route_add+0x1c/0x140 [ 1399.635757][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1399.635757][ T74] inet6_addr_add+0x4f8/0xa40 [ 1399.635757][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1399.635757][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1399.635757][ T74] netlink_rcv_skb+0x130/0x360 [ 1399.635757][ T74] netlink_unicast+0x449/0x710 [ 1399.635757][ T74] netlink_sendmsg+0x723/0xbe0 [ 1399.635757][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1399.635757][ T74] ___sys_sendmsg+0xee/0x170 [ 1399.635757][ T74] __sys_sendmsg+0xcd/0x170 [ 1399.635757][ T74] do_syscall_64+0xc6/0x1e0 [ 1399.635757][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1399.635757][ T74] [ 1399.638084][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1399.638084][ T74] netdev_get_by_index+0x5e/0x80 [ 1399.638084][ T74] fib6_nh_init+0x3d8/0x1580 [ 1399.638084][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1399.638084][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1399.638084][ T74] ipv6_add_addr+0x411/0x2000 [ 1399.638084][ T74] inet6_addr_add+0x30e/0xa40 [ 1399.638084][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1399.638084][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1399.638084][ T74] netlink_rcv_skb+0x130/0x360 [ 1399.638084][ T74] netlink_unicast+0x449/0x710 [ 1399.638084][ T74] netlink_sendmsg+0x723/0xbe0 [ 1399.638084][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1399.638084][ T74] ___sys_sendmsg+0xee/0x170 [ 1399.638084][ T74] __sys_sendmsg+0xcd/0x170 [ 1399.638084][ T74] do_syscall_64+0xc6/0x1e0 [ 1399.638084][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1399.638084][ T74] [ 1399.640713][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1399.640713][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1399.640713][ T74] ipv6_find_idev+0x102/0x170 [ 1399.640713][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1399.640713][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1399.640713][ T74] netlink_rcv_skb+0x130/0x360 [ 1399.640713][ T74] netlink_unicast+0x449/0x710 [ 1399.640713][ T74] netlink_sendmsg+0x723/0xbe0 [ 1399.640713][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1399.640713][ T74] ___sys_sendmsg+0xee/0x170 [ 1399.640713][ T74] __sys_sendmsg+0xcd/0x170 [ 1399.640713][ T74] do_syscall_64+0xc6/0x1e0 [ 1399.640713][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1399.640713][ T74] [ 1399.642587][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1399.642587][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1399.642587][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1399.642587][ T74] ipv6_find_idev+0x102/0x170 [ 1399.642587][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1399.642587][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1399.642587][ T74] netlink_rcv_skb+0x130/0x360 [ 1399.642587][ T74] netlink_unicast+0x449/0x710 [ 1399.642587][ T74] netlink_sendmsg+0x723/0xbe0 [ 1399.642587][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1399.642587][ T74] ___sys_sendmsg+0xee/0x170 [ 1399.642587][ T74] __sys_sendmsg+0xcd/0x170 [ 1399.642587][ T74] do_syscall_64+0xc6/0x1e0 [ 1399.642587][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1399.642587][ T74] [ 1409.744865][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1409.745264][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1409.745264][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1409.745264][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1409.745264][ T74] fib6_nh_init+0xa22/0x1580 [ 1409.745264][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1409.745264][ T74] ip6_route_add+0x1c/0x140 [ 1409.745264][ T74] inet6_rtm_newroute+0x104/0x110 [ 1409.745264][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1409.745264][ T74] netlink_rcv_skb+0x130/0x360 [ 1409.745264][ T74] netlink_unicast+0x449/0x710 [ 1409.745264][ T74] netlink_sendmsg+0x723/0xbe0 [ 1409.745264][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1409.745264][ T74] ___sys_sendmsg+0xee/0x170 [ 1409.745264][ T74] __sys_sendmsg+0xcd/0x170 [ 1409.745264][ T74] do_syscall_64+0xc6/0x1e0 [ 1409.745264][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1409.745264][ T74] [ 1409.747255][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1409.747255][ T74] netdev_get_by_index+0x5e/0x80 [ 1409.747255][ T74] fib6_nh_init+0x3d8/0x1580 [ 1409.747255][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1409.747255][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1409.747255][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1409.747255][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1409.747255][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1409.747255][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1409.747255][ T74] addrconf_dad_begin+0x310/0x670 [ 1409.747255][ T74] addrconf_dad_work+0x10b/0xab0 [ 1409.747255][ T74] process_one_work+0x84d/0x18a0 [ 1409.747255][ T74] worker_thread+0x587/0xd30 [ 1409.747255][ T74] kthread+0x28a/0x350 [ 1409.747255][ T74] ret_from_fork+0x31/0x70 [ 1409.747255][ T74] ret_from_fork_asm+0x1a/0x30 [ 1409.747255][ T74] [ 1409.749336][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1409.749336][ T74] netdev_get_by_index+0x5e/0x80 [ 1409.749336][ T74] fib6_nh_init+0x3d8/0x1580 [ 1409.749336][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1409.749336][ T74] ip6_route_add+0x1c/0x140 [ 1409.749336][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1409.749336][ T74] inet6_addr_add+0x4f8/0xa40 [ 1409.749336][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1409.749336][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1409.749336][ T74] netlink_rcv_skb+0x130/0x360 [ 1409.749336][ T74] netlink_unicast+0x449/0x710 [ 1409.749336][ T74] netlink_sendmsg+0x723/0xbe0 [ 1409.749336][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1409.749336][ T74] ___sys_sendmsg+0xee/0x170 [ 1409.749336][ T74] __sys_sendmsg+0xcd/0x170 [ 1409.749336][ T74] do_syscall_64+0xc6/0x1e0 [ 1409.749336][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1409.749336][ T74] [ 1409.751494][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1409.751494][ T74] netdev_get_by_index+0x5e/0x80 [ 1409.751494][ T74] fib6_nh_init+0x3d8/0x1580 [ 1409.751494][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1409.751494][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1409.751494][ T74] ipv6_add_addr+0x411/0x2000 [ 1409.751494][ T74] inet6_addr_add+0x30e/0xa40 [ 1409.751494][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1409.751494][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1409.751494][ T74] netlink_rcv_skb+0x130/0x360 [ 1409.751494][ T74] netlink_unicast+0x449/0x710 [ 1409.751494][ T74] netlink_sendmsg+0x723/0xbe0 [ 1409.751494][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1409.751494][ T74] ___sys_sendmsg+0xee/0x170 [ 1409.751494][ T74] __sys_sendmsg+0xcd/0x170 [ 1409.751494][ T74] do_syscall_64+0xc6/0x1e0 [ 1409.751494][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1409.751494][ T74] [ 1409.753607][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1409.753607][ T74] netdev_get_by_index+0x5e/0x80 [ 1409.753607][ T74] fib6_nh_init+0x3d8/0x1580 [ 1409.753607][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1409.753607][ T74] ip6_route_add+0x1c/0x140 [ 1409.753607][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1409.753607][ T74] addrconf_add_dev+0xe2/0x170 [ 1409.753607][ T74] inet6_addr_add+0x12f/0xa40 [ 1409.753607][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1409.753607][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1409.753607][ T74] netlink_rcv_skb+0x130/0x360 [ 1409.753607][ T74] netlink_unicast+0x449/0x710 [ 1409.753607][ T74] netlink_sendmsg+0x723/0xbe0 [ 1409.753607][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1409.753607][ T74] ___sys_sendmsg+0xee/0x170 [ 1409.753607][ T74] __sys_sendmsg+0xcd/0x170 [ 1409.753607][ T74] do_syscall_64+0xc6/0x1e0 [ 1409.753607][ T74] [ 1409.755732][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1409.755732][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1409.755732][ T74] ipv6_find_idev+0x102/0x170 [ 1409.755732][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1409.755732][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1409.755732][ T74] netlink_rcv_skb+0x130/0x360 [ 1409.755732][ T74] netlink_unicast+0x449/0x710 [ 1409.755732][ T74] netlink_sendmsg+0x723/0xbe0 [ 1409.755732][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1409.755732][ T74] ___sys_sendmsg+0xee/0x170 [ 1409.755732][ T74] __sys_sendmsg+0xcd/0x170 [ 1409.755732][ T74] do_syscall_64+0xc6/0x1e0 [ 1409.755732][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1409.755732][ T74] [ 1409.757429][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1409.757429][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1409.757429][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1409.757429][ T74] ipv6_find_idev+0x102/0x170 [ 1409.757429][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1409.757429][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1409.757429][ T74] netlink_rcv_skb+0x130/0x360 [ 1409.757429][ T74] netlink_unicast+0x449/0x710 [ 1409.757429][ T74] netlink_sendmsg+0x723/0xbe0 [ 1409.757429][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1409.757429][ T74] ___sys_sendmsg+0xee/0x170 [ 1409.757429][ T74] __sys_sendmsg+0xcd/0x170 [ 1409.757429][ T74] do_syscall_64+0xc6/0x1e0 [ 1409.757429][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1409.757429][ T74] [ 1409.759255][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1409.759673][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1409.759673][ T74] dst_init+0x84/0x4a0 [ 1409.759673][ T74] dst_alloc+0x97/0x150 [ 1409.759673][ T74] ip6_dst_alloc+0x23/0x90 [ 1409.759673][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1409.759673][ T74] ip6_pol_route+0x56f/0x840 [ 1409.759673][ T74] fib6_rule_lookup+0x456/0x630 [ 1409.759673][ T74] ip6_route_input+0x59c/0xa50 [ 1409.759673][ T74] ipv6_rcv+0x397/0x810 [ 1409.759673][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1409.759673][ T74] process_backlog+0x101/0x620 [ 1409.759673][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1409.759673][ T74] net_rx_action+0x495/0xbe0 [ 1409.759673][ T74] __do_softirq+0x1b5/0x7f6 [ 1409.759673][ T74] [ 1409.761616][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1409.761616][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1409.761616][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1409.761616][ T74] fib6_nh_init+0xa22/0x1580 [ 1409.761616][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1409.761616][ T74] ip6_route_add+0x1c/0x140 [ 1409.761616][ T74] inet6_rtm_newroute+0x104/0x110 [ 1409.761616][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1409.761616][ T74] netlink_rcv_skb+0x130/0x360 [ 1409.761616][ T74] netlink_unicast+0x449/0x710 [ 1409.761616][ T74] netlink_sendmsg+0x723/0xbe0 [ 1409.761616][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1409.761616][ T74] ___sys_sendmsg+0xee/0x170 [ 1409.761616][ T74] __sys_sendmsg+0xcd/0x170 [ 1409.761616][ T74] do_syscall_64+0xc6/0x1e0 [ 1409.761616][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1409.761616][ T74] [ 1409.763847][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1409.763847][ T74] netdev_get_by_index+0x5e/0x80 [ 1409.763847][ T74] fib6_nh_init+0x3d8/0x1580 [ 1409.763847][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1409.763847][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1409.763847][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1409.763847][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1409.763847][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1409.763847][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1409.763847][ T74] addrconf_dad_begin+0x310/0x670 [ 1409.763847][ T74] addrconf_dad_work+0x10b/0xab0 [ 1409.763847][ T74] process_one_work+0x84d/0x18a0 [ 1409.763847][ T74] worker_thread+0x587/0xd30 [ 1409.763847][ T74] kthread+0x28a/0x350 [ 1409.763847][ T74] ret_from_fork+0x31/0x70 [ 1409.763847][ T74] ret_from_fork_asm+0x1a/0x30 [ 1409.763847][ T74] [ 1409.766108][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1409.766108][ T74] netdev_get_by_index+0x5e/0x80 [ 1409.766108][ T74] fib6_nh_init+0x3d8/0x1580 [ 1409.766108][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1409.766108][ T74] ip6_route_add+0x1c/0x140 [ 1409.766108][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1409.766108][ T74] inet6_addr_add+0x4f8/0xa40 [ 1409.766108][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1409.766108][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1409.766108][ T74] netlink_rcv_skb+0x130/0x360 [ 1409.766108][ T74] netlink_unicast+0x449/0x710 [ 1409.766108][ T74] netlink_sendmsg+0x723/0xbe0 [ 1409.766108][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1409.766108][ T74] ___sys_sendmsg+0xee/0x170 [ 1409.766108][ T74] __sys_sendmsg+0xcd/0x170 [ 1409.766108][ T74] do_syscall_64+0xc6/0x1e0 [ 1409.766108][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1409.766108][ T74] [ 1409.768470][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1409.768470][ T74] netdev_get_by_index+0x5e/0x80 [ 1409.768470][ T74] fib6_nh_init+0x3d8/0x1580 [ 1409.768470][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1409.768470][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1409.768470][ T74] ipv6_add_addr+0x411/0x2000 [ 1409.768470][ T74] inet6_addr_add+0x30e/0xa40 [ 1409.768470][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1409.768470][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1409.768470][ T74] netlink_rcv_skb+0x130/0x360 [ 1409.768470][ T74] netlink_unicast+0x449/0x710 [ 1409.768470][ T74] netlink_sendmsg+0x723/0xbe0 [ 1409.768470][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1409.768470][ T74] ___sys_sendmsg+0xee/0x170 [ 1409.768470][ T74] __sys_sendmsg+0xcd/0x170 [ 1409.768470][ T74] do_syscall_64+0xc6/0x1e0 [ 1409.768470][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1409.768470][ T74] [ 1409.770859][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1409.770859][ T74] netdev_get_by_index+0x5e/0x80 [ 1409.770859][ T74] fib6_nh_init+0x3d8/0x1580 [ 1409.770859][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1409.770859][ T74] ip6_route_add+0x1c/0x140 [ 1409.770859][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1409.770859][ T74] addrconf_add_dev+0xe2/0x170 [ 1409.770859][ T74] inet6_addr_add+0x12f/0xa40 [ 1409.770859][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1409.770859][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1409.770859][ T74] netlink_rcv_skb+0x130/0x360 [ 1409.770859][ T74] netlink_unicast+0x449/0x710 [ 1409.770859][ T74] netlink_sendmsg+0x723/0xbe0 [ 1409.770859][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1409.770859][ T74] ___sys_sendmsg+0xee/0x170 [ 1409.770859][ T74] __sys_sendmsg+0xcd/0x170 [ 1409.770859][ T74] do_syscall_64+0xc6/0x1e0 [ 1409.770859][ T74] [ 1409.773267][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1409.773267][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1409.773267][ T74] ipv6_find_idev+0x102/0x170 [ 1409.773267][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1409.773267][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1409.773267][ T74] netlink_rcv_skb+0x130/0x360 [ 1409.773267][ T74] netlink_unicast+0x449/0x710 [ 1409.773267][ T74] netlink_sendmsg+0x723/0xbe0 [ 1409.773267][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1409.773267][ T74] ___sys_sendmsg+0xee/0x170 [ 1409.773267][ T74] __sys_sendmsg+0xcd/0x170 [ 1409.773267][ T74] do_syscall_64+0xc6/0x1e0 [ 1409.773267][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1409.773267][ T74] [ 1409.775387][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1409.775387][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1409.775387][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1409.775387][ T74] ipv6_find_idev+0x102/0x170 [ 1409.775387][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1409.775387][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1409.775387][ T74] netlink_rcv_skb+0x130/0x360 [ 1409.775387][ T74] netlink_unicast+0x449/0x710 [ 1409.775387][ T74] netlink_sendmsg+0x723/0xbe0 [ 1409.775387][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1409.775387][ T74] ___sys_sendmsg+0xee/0x170 [ 1409.775387][ T74] __sys_sendmsg+0xcd/0x170 [ 1409.775387][ T74] do_syscall_64+0xc6/0x1e0 [ 1409.775387][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1409.775387][ T74] [ 1409.777370][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1409.777696][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1409.777696][ T74] netdev_get_by_index+0x5e/0x80 [ 1409.777696][ T74] fib6_nh_init+0x3d8/0x1580 [ 1409.777696][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1409.777696][ T74] ip6_route_add+0x1c/0x140 [ 1409.777696][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1409.777696][ T74] inet6_addr_add+0x4f8/0xa40 [ 1409.777696][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1409.777696][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1409.777696][ T74] netlink_rcv_skb+0x130/0x360 [ 1409.777696][ T74] netlink_unicast+0x449/0x710 [ 1409.777696][ T74] netlink_sendmsg+0x723/0xbe0 [ 1409.777696][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1409.777696][ T74] ___sys_sendmsg+0xee/0x170 [ 1409.777696][ T74] __sys_sendmsg+0xcd/0x170 [ 1409.777696][ T74] do_syscall_64+0xc6/0x1e0 [ 1409.777696][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1409.777696][ T74] [ 1409.779980][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1409.779980][ T74] netdev_get_by_index+0x5e/0x80 [ 1409.779980][ T74] fib6_nh_init+0x3d8/0x1580 [ 1409.779980][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1409.779980][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1409.779980][ T74] ipv6_add_addr+0x411/0x2000 [ 1409.779980][ T74] inet6_addr_add+0x30e/0xa40 [ 1409.779980][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1409.779980][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1409.779980][ T74] netlink_rcv_skb+0x130/0x360 [ 1409.779980][ T74] netlink_unicast+0x449/0x710 [ 1409.779980][ T74] netlink_sendmsg+0x723/0xbe0 [ 1409.779980][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1409.779980][ T74] ___sys_sendmsg+0xee/0x170 [ 1409.779980][ T74] __sys_sendmsg+0xcd/0x170 [ 1409.779980][ T74] do_syscall_64+0xc6/0x1e0 [ 1409.779980][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1409.779980][ T74] [ 1409.782407][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1409.782407][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1409.782407][ T74] ipv6_find_idev+0x102/0x170 [ 1409.782407][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1409.782407][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1409.782407][ T74] netlink_rcv_skb+0x130/0x360 [ 1409.782407][ T74] netlink_unicast+0x449/0x710 [ 1409.782407][ T74] netlink_sendmsg+0x723/0xbe0 [ 1409.782407][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1409.782407][ T74] ___sys_sendmsg+0xee/0x170 [ 1409.782407][ T74] __sys_sendmsg+0xcd/0x170 [ 1409.782407][ T74] do_syscall_64+0xc6/0x1e0 [ 1409.782407][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1409.782407][ T74] [ 1409.784214][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1409.784214][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1409.784214][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1409.784214][ T74] ipv6_find_idev+0x102/0x170 [ 1409.784214][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1409.784214][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1409.784214][ T74] netlink_rcv_skb+0x130/0x360 [ 1409.784214][ T74] netlink_unicast+0x449/0x710 [ 1409.784214][ T74] netlink_sendmsg+0x723/0xbe0 [ 1409.784214][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1409.784214][ T74] ___sys_sendmsg+0xee/0x170 [ 1409.784214][ T74] __sys_sendmsg+0xcd/0x170 [ 1409.784214][ T74] do_syscall_64+0xc6/0x1e0 [ 1409.784214][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1409.784214][ T74] [ 1419.895894][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1419.896208][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1419.896208][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1419.896208][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1419.896208][ T74] fib6_nh_init+0xa22/0x1580 [ 1419.896208][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1419.896208][ T74] ip6_route_add+0x1c/0x140 [ 1419.896208][ T74] inet6_rtm_newroute+0x104/0x110 [ 1419.896208][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1419.896208][ T74] netlink_rcv_skb+0x130/0x360 [ 1419.896208][ T74] netlink_unicast+0x449/0x710 [ 1419.896208][ T74] netlink_sendmsg+0x723/0xbe0 [ 1419.896208][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1419.896208][ T74] ___sys_sendmsg+0xee/0x170 [ 1419.896208][ T74] __sys_sendmsg+0xcd/0x170 [ 1419.896208][ T74] do_syscall_64+0xc6/0x1e0 [ 1419.896208][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1419.896208][ T74] [ 1419.898180][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1419.898180][ T74] netdev_get_by_index+0x5e/0x80 [ 1419.898180][ T74] fib6_nh_init+0x3d8/0x1580 [ 1419.898180][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1419.898180][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1419.898180][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1419.898180][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1419.898180][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1419.898180][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1419.898180][ T74] addrconf_dad_begin+0x310/0x670 [ 1419.898180][ T74] addrconf_dad_work+0x10b/0xab0 [ 1419.898180][ T74] process_one_work+0x84d/0x18a0 [ 1419.898180][ T74] worker_thread+0x587/0xd30 [ 1419.898180][ T74] kthread+0x28a/0x350 [ 1419.898180][ T74] ret_from_fork+0x31/0x70 [ 1419.898180][ T74] ret_from_fork_asm+0x1a/0x30 [ 1419.898180][ T74] [ 1419.900151][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1419.900151][ T74] netdev_get_by_index+0x5e/0x80 [ 1419.900151][ T74] fib6_nh_init+0x3d8/0x1580 [ 1419.900151][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1419.900151][ T74] ip6_route_add+0x1c/0x140 [ 1419.900151][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1419.900151][ T74] inet6_addr_add+0x4f8/0xa40 [ 1419.900151][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1419.900151][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1419.900151][ T74] netlink_rcv_skb+0x130/0x360 [ 1419.900151][ T74] netlink_unicast+0x449/0x710 [ 1419.900151][ T74] netlink_sendmsg+0x723/0xbe0 [ 1419.900151][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1419.900151][ T74] ___sys_sendmsg+0xee/0x170 [ 1419.900151][ T74] __sys_sendmsg+0xcd/0x170 [ 1419.900151][ T74] do_syscall_64+0xc6/0x1e0 [ 1419.900151][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1419.900151][ T74] [ 1419.902224][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1419.902224][ T74] netdev_get_by_index+0x5e/0x80 [ 1419.902224][ T74] fib6_nh_init+0x3d8/0x1580 [ 1419.902224][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1419.902224][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1419.902224][ T74] ipv6_add_addr+0x411/0x2000 [ 1419.902224][ T74] inet6_addr_add+0x30e/0xa40 [ 1419.902224][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1419.902224][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1419.902224][ T74] netlink_rcv_skb+0x130/0x360 [ 1419.902224][ T74] netlink_unicast+0x449/0x710 [ 1419.902224][ T74] netlink_sendmsg+0x723/0xbe0 [ 1419.902224][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1419.902224][ T74] ___sys_sendmsg+0xee/0x170 [ 1419.902224][ T74] __sys_sendmsg+0xcd/0x170 [ 1419.902224][ T74] do_syscall_64+0xc6/0x1e0 [ 1419.902224][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1419.902224][ T74] [ 1419.904272][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1419.904272][ T74] netdev_get_by_index+0x5e/0x80 [ 1419.904272][ T74] fib6_nh_init+0x3d8/0x1580 [ 1419.904272][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1419.904272][ T74] ip6_route_add+0x1c/0x140 [ 1419.904272][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1419.904272][ T74] addrconf_add_dev+0xe2/0x170 [ 1419.904272][ T74] inet6_addr_add+0x12f/0xa40 [ 1419.904272][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1419.904272][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1419.904272][ T74] netlink_rcv_skb+0x130/0x360 [ 1419.904272][ T74] netlink_unicast+0x449/0x710 [ 1419.904272][ T74] netlink_sendmsg+0x723/0xbe0 [ 1419.904272][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1419.904272][ T74] ___sys_sendmsg+0xee/0x170 [ 1419.904272][ T74] __sys_sendmsg+0xcd/0x170 [ 1419.904272][ T74] do_syscall_64+0xc6/0x1e0 [ 1419.904272][ T74] [ 1419.906293][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1419.906293][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1419.906293][ T74] ipv6_find_idev+0x102/0x170 [ 1419.906293][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1419.906293][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1419.906293][ T74] netlink_rcv_skb+0x130/0x360 [ 1419.906293][ T74] netlink_unicast+0x449/0x710 [ 1419.906293][ T74] netlink_sendmsg+0x723/0xbe0 [ 1419.906293][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1419.906293][ T74] ___sys_sendmsg+0xee/0x170 [ 1419.906293][ T74] __sys_sendmsg+0xcd/0x170 [ 1419.906293][ T74] do_syscall_64+0xc6/0x1e0 [ 1419.906293][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1419.906293][ T74] [ 1419.907878][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1419.907878][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1419.907878][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1419.907878][ T74] ipv6_find_idev+0x102/0x170 [ 1419.907878][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1419.907878][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1419.907878][ T74] netlink_rcv_skb+0x130/0x360 [ 1419.907878][ T74] netlink_unicast+0x449/0x710 [ 1419.907878][ T74] netlink_sendmsg+0x723/0xbe0 [ 1419.907878][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1419.907878][ T74] ___sys_sendmsg+0xee/0x170 [ 1419.907878][ T74] __sys_sendmsg+0xcd/0x170 [ 1419.907878][ T74] do_syscall_64+0xc6/0x1e0 [ 1419.907878][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1419.907878][ T74] [ 1419.909634][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1419.909933][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1419.909933][ T74] dst_init+0x84/0x4a0 [ 1419.909933][ T74] dst_alloc+0x97/0x150 [ 1419.909933][ T74] ip6_dst_alloc+0x23/0x90 [ 1419.909933][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1419.909933][ T74] ip6_pol_route+0x56f/0x840 [ 1419.909933][ T74] fib6_rule_lookup+0x456/0x630 [ 1419.909933][ T74] ip6_route_input+0x59c/0xa50 [ 1419.909933][ T74] ipv6_rcv+0x397/0x810 [ 1419.909933][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1419.909933][ T74] process_backlog+0x101/0x620 [ 1419.909933][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1419.909933][ T74] net_rx_action+0x495/0xbe0 [ 1419.909933][ T74] __do_softirq+0x1b5/0x7f6 [ 1419.909933][ T74] [ 1419.911596][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1419.911596][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1419.911596][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1419.911596][ T74] fib6_nh_init+0xa22/0x1580 [ 1419.911596][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1419.911596][ T74] ip6_route_add+0x1c/0x140 [ 1419.911596][ T74] inet6_rtm_newroute+0x104/0x110 [ 1419.911596][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1419.911596][ T74] netlink_rcv_skb+0x130/0x360 [ 1419.911596][ T74] netlink_unicast+0x449/0x710 [ 1419.911596][ T74] netlink_sendmsg+0x723/0xbe0 [ 1419.911596][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1419.911596][ T74] ___sys_sendmsg+0xee/0x170 [ 1419.911596][ T74] __sys_sendmsg+0xcd/0x170 [ 1419.911596][ T74] do_syscall_64+0xc6/0x1e0 [ 1419.911596][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1419.911596][ T74] [ 1419.913581][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1419.913581][ T74] netdev_get_by_index+0x5e/0x80 [ 1419.913581][ T74] fib6_nh_init+0x3d8/0x1580 [ 1419.913581][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1419.913581][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1419.913581][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1419.913581][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1419.913581][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1419.913581][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1419.913581][ T74] addrconf_dad_begin+0x310/0x670 [ 1419.913581][ T74] addrconf_dad_work+0x10b/0xab0 [ 1419.913581][ T74] process_one_work+0x84d/0x18a0 [ 1419.913581][ T74] worker_thread+0x587/0xd30 [ 1419.913581][ T74] kthread+0x28a/0x350 [ 1419.913581][ T74] ret_from_fork+0x31/0x70 [ 1419.913581][ T74] ret_from_fork_asm+0x1a/0x30 [ 1419.913581][ T74] [ 1419.915732][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1419.915732][ T74] netdev_get_by_index+0x5e/0x80 [ 1419.915732][ T74] fib6_nh_init+0x3d8/0x1580 [ 1419.915732][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1419.915732][ T74] ip6_route_add+0x1c/0x140 [ 1419.915732][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1419.915732][ T74] inet6_addr_add+0x4f8/0xa40 [ 1419.915732][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1419.915732][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1419.915732][ T74] netlink_rcv_skb+0x130/0x360 [ 1419.915732][ T74] netlink_unicast+0x449/0x710 [ 1419.915732][ T74] netlink_sendmsg+0x723/0xbe0 [ 1419.915732][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1419.915732][ T74] ___sys_sendmsg+0xee/0x170 [ 1419.915732][ T74] __sys_sendmsg+0xcd/0x170 [ 1419.915732][ T74] do_syscall_64+0xc6/0x1e0 [ 1419.915732][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1419.915732][ T74] [ 1419.918027][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1419.918027][ T74] netdev_get_by_index+0x5e/0x80 [ 1419.918027][ T74] fib6_nh_init+0x3d8/0x1580 [ 1419.918027][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1419.918027][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1419.918027][ T74] ipv6_add_addr+0x411/0x2000 [ 1419.918027][ T74] inet6_addr_add+0x30e/0xa40 [ 1419.918027][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1419.918027][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1419.918027][ T74] netlink_rcv_skb+0x130/0x360 [ 1419.918027][ T74] netlink_unicast+0x449/0x710 [ 1419.918027][ T74] netlink_sendmsg+0x723/0xbe0 [ 1419.918027][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1419.918027][ T74] ___sys_sendmsg+0xee/0x170 [ 1419.918027][ T74] __sys_sendmsg+0xcd/0x170 [ 1419.918027][ T74] do_syscall_64+0xc6/0x1e0 [ 1419.918027][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1419.918027][ T74] [ 1419.920241][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1419.920241][ T74] netdev_get_by_index+0x5e/0x80 [ 1419.920241][ T74] fib6_nh_init+0x3d8/0x1580 [ 1419.920241][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1419.920241][ T74] ip6_route_add+0x1c/0x140 [ 1419.920241][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1419.920241][ T74] addrconf_add_dev+0xe2/0x170 [ 1419.920241][ T74] inet6_addr_add+0x12f/0xa40 [ 1419.920241][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1419.920241][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1419.920241][ T74] netlink_rcv_skb+0x130/0x360 [ 1419.920241][ T74] netlink_unicast+0x449/0x710 [ 1419.920241][ T74] netlink_sendmsg+0x723/0xbe0 [ 1419.920241][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1419.920241][ T74] ___sys_sendmsg+0xee/0x170 [ 1419.920241][ T74] __sys_sendmsg+0xcd/0x170 [ 1419.920241][ T74] do_syscall_64+0xc6/0x1e0 [ 1419.920241][ T74] [ 1419.922501][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1419.922501][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1419.922501][ T74] ipv6_find_idev+0x102/0x170 [ 1419.922501][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1419.922501][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1419.922501][ T74] netlink_rcv_skb+0x130/0x360 [ 1419.922501][ T74] netlink_unicast+0x449/0x710 [ 1419.922501][ T74] netlink_sendmsg+0x723/0xbe0 [ 1419.922501][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1419.922501][ T74] ___sys_sendmsg+0xee/0x170 [ 1419.922501][ T74] __sys_sendmsg+0xcd/0x170 [ 1419.922501][ T74] do_syscall_64+0xc6/0x1e0 [ 1419.922501][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1419.922501][ T74] [ 1419.924289][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1419.924289][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1419.924289][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1419.924289][ T74] ipv6_find_idev+0x102/0x170 [ 1419.924289][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1419.924289][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1419.924289][ T74] netlink_rcv_skb+0x130/0x360 [ 1419.924289][ T74] netlink_unicast+0x449/0x710 [ 1419.924289][ T74] netlink_sendmsg+0x723/0xbe0 [ 1419.924289][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1419.924289][ T74] ___sys_sendmsg+0xee/0x170 [ 1419.924289][ T74] __sys_sendmsg+0xcd/0x170 [ 1419.924289][ T74] do_syscall_64+0xc6/0x1e0 [ 1419.924289][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1419.924289][ T74] [ 1419.926265][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1419.926521][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1419.926521][ T74] netdev_get_by_index+0x5e/0x80 [ 1419.926521][ T74] fib6_nh_init+0x3d8/0x1580 [ 1419.926521][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1419.926521][ T74] ip6_route_add+0x1c/0x140 [ 1419.926521][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1419.926521][ T74] inet6_addr_add+0x4f8/0xa40 [ 1419.926521][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1419.926521][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1419.926521][ T74] netlink_rcv_skb+0x130/0x360 [ 1419.926521][ T74] netlink_unicast+0x449/0x710 [ 1419.926521][ T74] netlink_sendmsg+0x723/0xbe0 [ 1419.926521][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1419.926521][ T74] ___sys_sendmsg+0xee/0x170 [ 1419.926521][ T74] __sys_sendmsg+0xcd/0x170 [ 1419.926521][ T74] do_syscall_64+0xc6/0x1e0 [ 1419.926521][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1419.926521][ T74] [ 1419.928877][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1419.928877][ T74] netdev_get_by_index+0x5e/0x80 [ 1419.928877][ T74] fib6_nh_init+0x3d8/0x1580 [ 1419.928877][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1419.928877][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1419.928877][ T74] ipv6_add_addr+0x411/0x2000 [ 1419.928877][ T74] inet6_addr_add+0x30e/0xa40 [ 1419.928877][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1419.928877][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1419.928877][ T74] netlink_rcv_skb+0x130/0x360 [ 1419.928877][ T74] netlink_unicast+0x449/0x710 [ 1419.928877][ T74] netlink_sendmsg+0x723/0xbe0 [ 1419.928877][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1419.928877][ T74] ___sys_sendmsg+0xee/0x170 [ 1419.928877][ T74] __sys_sendmsg+0xcd/0x170 [ 1419.928877][ T74] do_syscall_64+0xc6/0x1e0 [ 1419.928877][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1419.928877][ T74] [ 1419.931095][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1419.931095][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1419.931095][ T74] ipv6_find_idev+0x102/0x170 [ 1419.931095][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1419.931095][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1419.931095][ T74] netlink_rcv_skb+0x130/0x360 [ 1419.931095][ T74] netlink_unicast+0x449/0x710 [ 1419.931095][ T74] netlink_sendmsg+0x723/0xbe0 [ 1419.931095][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1419.931095][ T74] ___sys_sendmsg+0xee/0x170 [ 1419.931095][ T74] __sys_sendmsg+0xcd/0x170 [ 1419.931095][ T74] do_syscall_64+0xc6/0x1e0 [ 1419.931095][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1419.931095][ T74] [ 1419.932864][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1419.932864][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1419.932864][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1419.932864][ T74] ipv6_find_idev+0x102/0x170 [ 1419.932864][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1419.932864][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1419.932864][ T74] netlink_rcv_skb+0x130/0x360 [ 1419.932864][ T74] netlink_unicast+0x449/0x710 [ 1419.932864][ T74] netlink_sendmsg+0x723/0xbe0 [ 1419.932864][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1419.932864][ T74] ___sys_sendmsg+0xee/0x170 [ 1419.932864][ T74] __sys_sendmsg+0xcd/0x170 [ 1419.932864][ T74] do_syscall_64+0xc6/0x1e0 [ 1419.932864][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1419.932864][ T74] [ 1430.073096][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1430.073589][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1430.073589][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1430.073589][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1430.073589][ T74] fib6_nh_init+0xa22/0x1580 [ 1430.073589][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1430.073589][ T74] ip6_route_add+0x1c/0x140 [ 1430.073589][ T74] inet6_rtm_newroute+0x104/0x110 [ 1430.073589][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1430.073589][ T74] netlink_rcv_skb+0x130/0x360 [ 1430.073589][ T74] netlink_unicast+0x449/0x710 [ 1430.073589][ T74] netlink_sendmsg+0x723/0xbe0 [ 1430.073589][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1430.073589][ T74] ___sys_sendmsg+0xee/0x170 [ 1430.073589][ T74] __sys_sendmsg+0xcd/0x170 [ 1430.073589][ T74] do_syscall_64+0xc6/0x1e0 [ 1430.073589][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1430.073589][ T74] [ 1430.075820][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1430.075820][ T74] netdev_get_by_index+0x5e/0x80 [ 1430.075820][ T74] fib6_nh_init+0x3d8/0x1580 [ 1430.075820][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1430.075820][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1430.075820][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1430.075820][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1430.075820][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1430.075820][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1430.075820][ T74] addrconf_dad_begin+0x310/0x670 [ 1430.075820][ T74] addrconf_dad_work+0x10b/0xab0 [ 1430.075820][ T74] process_one_work+0x84d/0x18a0 [ 1430.075820][ T74] worker_thread+0x587/0xd30 [ 1430.075820][ T74] kthread+0x28a/0x350 [ 1430.075820][ T74] ret_from_fork+0x31/0x70 [ 1430.075820][ T74] ret_from_fork_asm+0x1a/0x30 [ 1430.075820][ T74] [ 1430.078057][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1430.078057][ T74] netdev_get_by_index+0x5e/0x80 [ 1430.078057][ T74] fib6_nh_init+0x3d8/0x1580 [ 1430.078057][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1430.078057][ T74] ip6_route_add+0x1c/0x140 [ 1430.078057][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1430.078057][ T74] inet6_addr_add+0x4f8/0xa40 [ 1430.078057][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1430.078057][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1430.078057][ T74] netlink_rcv_skb+0x130/0x360 [ 1430.078057][ T74] netlink_unicast+0x449/0x710 [ 1430.078057][ T74] netlink_sendmsg+0x723/0xbe0 [ 1430.078057][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1430.078057][ T74] ___sys_sendmsg+0xee/0x170 [ 1430.078057][ T74] __sys_sendmsg+0xcd/0x170 [ 1430.078057][ T74] do_syscall_64+0xc6/0x1e0 [ 1430.078057][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1430.078057][ T74] [ 1430.080521][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1430.080521][ T74] netdev_get_by_index+0x5e/0x80 [ 1430.080521][ T74] fib6_nh_init+0x3d8/0x1580 [ 1430.080521][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1430.080521][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1430.080521][ T74] ipv6_add_addr+0x411/0x2000 [ 1430.080521][ T74] inet6_addr_add+0x30e/0xa40 [ 1430.080521][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1430.080521][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1430.080521][ T74] netlink_rcv_skb+0x130/0x360 [ 1430.080521][ T74] netlink_unicast+0x449/0x710 [ 1430.080521][ T74] netlink_sendmsg+0x723/0xbe0 [ 1430.080521][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1430.080521][ T74] ___sys_sendmsg+0xee/0x170 [ 1430.080521][ T74] __sys_sendmsg+0xcd/0x170 [ 1430.080521][ T74] do_syscall_64+0xc6/0x1e0 [ 1430.080521][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1430.080521][ T74] [ 1430.082939][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1430.082939][ T74] netdev_get_by_index+0x5e/0x80 [ 1430.082939][ T74] fib6_nh_init+0x3d8/0x1580 [ 1430.082939][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1430.082939][ T74] ip6_route_add+0x1c/0x140 [ 1430.082939][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1430.082939][ T74] addrconf_add_dev+0xe2/0x170 [ 1430.082939][ T74] inet6_addr_add+0x12f/0xa40 [ 1430.082939][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1430.082939][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1430.082939][ T74] netlink_rcv_skb+0x130/0x360 [ 1430.082939][ T74] netlink_unicast+0x449/0x710 [ 1430.082939][ T74] netlink_sendmsg+0x723/0xbe0 [ 1430.082939][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1430.082939][ T74] ___sys_sendmsg+0xee/0x170 [ 1430.082939][ T74] __sys_sendmsg+0xcd/0x170 [ 1430.082939][ T74] do_syscall_64+0xc6/0x1e0 [ 1430.082939][ T74] [ 1430.085238][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1430.085238][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1430.085238][ T74] ipv6_find_idev+0x102/0x170 [ 1430.085238][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1430.085238][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1430.085238][ T74] netlink_rcv_skb+0x130/0x360 [ 1430.085238][ T74] netlink_unicast+0x449/0x710 [ 1430.085238][ T74] netlink_sendmsg+0x723/0xbe0 [ 1430.085238][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1430.085238][ T74] ___sys_sendmsg+0xee/0x170 [ 1430.085238][ T74] __sys_sendmsg+0xcd/0x170 [ 1430.085238][ T74] do_syscall_64+0xc6/0x1e0 [ 1430.085238][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1430.085238][ T74] [ 1430.087219][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1430.087219][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1430.087219][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1430.087219][ T74] ipv6_find_idev+0x102/0x170 [ 1430.087219][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1430.087219][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1430.087219][ T74] netlink_rcv_skb+0x130/0x360 [ 1430.087219][ T74] netlink_unicast+0x449/0x710 [ 1430.087219][ T74] netlink_sendmsg+0x723/0xbe0 [ 1430.087219][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1430.087219][ T74] ___sys_sendmsg+0xee/0x170 [ 1430.087219][ T74] __sys_sendmsg+0xcd/0x170 [ 1430.087219][ T74] do_syscall_64+0xc6/0x1e0 [ 1430.087219][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1430.087219][ T74] [ 1430.089486][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1430.089803][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1430.089803][ T74] dst_init+0x84/0x4a0 [ 1430.089803][ T74] dst_alloc+0x97/0x150 [ 1430.089803][ T74] ip6_dst_alloc+0x23/0x90 [ 1430.089803][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1430.089803][ T74] ip6_pol_route+0x56f/0x840 [ 1430.089803][ T74] fib6_rule_lookup+0x456/0x630 [ 1430.089803][ T74] ip6_route_input+0x59c/0xa50 [ 1430.089803][ T74] ipv6_rcv+0x397/0x810 [ 1430.089803][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1430.089803][ T74] process_backlog+0x101/0x620 [ 1430.089803][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1430.089803][ T74] net_rx_action+0x495/0xbe0 [ 1430.089803][ T74] __do_softirq+0x1b5/0x7f6 [ 1430.089803][ T74] [ 1430.092170][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1430.092170][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1430.092170][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1430.092170][ T74] fib6_nh_init+0xa22/0x1580 [ 1430.092170][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1430.092170][ T74] ip6_route_add+0x1c/0x140 [ 1430.092170][ T74] inet6_rtm_newroute+0x104/0x110 [ 1430.092170][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1430.092170][ T74] netlink_rcv_skb+0x130/0x360 [ 1430.092170][ T74] netlink_unicast+0x449/0x710 [ 1430.092170][ T74] netlink_sendmsg+0x723/0xbe0 [ 1430.092170][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1430.092170][ T74] ___sys_sendmsg+0xee/0x170 [ 1430.092170][ T74] __sys_sendmsg+0xcd/0x170 [ 1430.092170][ T74] do_syscall_64+0xc6/0x1e0 [ 1430.092170][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1430.092170][ T74] [ 1430.094764][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1430.094764][ T74] netdev_get_by_index+0x5e/0x80 [ 1430.094764][ T74] fib6_nh_init+0x3d8/0x1580 [ 1430.094764][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1430.094764][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1430.094764][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1430.094764][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1430.094764][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1430.094764][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1430.094764][ T74] addrconf_dad_begin+0x310/0x670 [ 1430.094764][ T74] addrconf_dad_work+0x10b/0xab0 [ 1430.094764][ T74] process_one_work+0x84d/0x18a0 [ 1430.094764][ T74] worker_thread+0x587/0xd30 [ 1430.094764][ T74] kthread+0x28a/0x350 [ 1430.094764][ T74] ret_from_fork+0x31/0x70 [ 1430.094764][ T74] ret_from_fork_asm+0x1a/0x30 [ 1430.094764][ T74] [ 1430.097441][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1430.097441][ T74] netdev_get_by_index+0x5e/0x80 [ 1430.097441][ T74] fib6_nh_init+0x3d8/0x1580 [ 1430.097441][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1430.097441][ T74] ip6_route_add+0x1c/0x140 [ 1430.097441][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1430.097441][ T74] inet6_addr_add+0x4f8/0xa40 [ 1430.097441][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1430.097441][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1430.097441][ T74] netlink_rcv_skb+0x130/0x360 [ 1430.097441][ T74] netlink_unicast+0x449/0x710 [ 1430.097441][ T74] netlink_sendmsg+0x723/0xbe0 [ 1430.097441][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1430.097441][ T74] ___sys_sendmsg+0xee/0x170 [ 1430.097441][ T74] __sys_sendmsg+0xcd/0x170 [ 1430.097441][ T74] do_syscall_64+0xc6/0x1e0 [ 1430.097441][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1430.097441][ T74] [ 1430.100113][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1430.100113][ T74] netdev_get_by_index+0x5e/0x80 [ 1430.100113][ T74] fib6_nh_init+0x3d8/0x1580 [ 1430.100113][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1430.100113][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1430.100113][ T74] ipv6_add_addr+0x411/0x2000 [ 1430.100113][ T74] inet6_addr_add+0x30e/0xa40 [ 1430.100113][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1430.100113][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1430.100113][ T74] netlink_rcv_skb+0x130/0x360 [ 1430.100113][ T74] netlink_unicast+0x449/0x710 [ 1430.100113][ T74] netlink_sendmsg+0x723/0xbe0 [ 1430.100113][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1430.100113][ T74] ___sys_sendmsg+0xee/0x170 [ 1430.100113][ T74] __sys_sendmsg+0xcd/0x170 [ 1430.100113][ T74] do_syscall_64+0xc6/0x1e0 [ 1430.100113][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1430.100113][ T74] [ 1430.102909][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1430.102909][ T74] netdev_get_by_index+0x5e/0x80 [ 1430.102909][ T74] fib6_nh_init+0x3d8/0x1580 [ 1430.102909][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1430.102909][ T74] ip6_route_add+0x1c/0x140 [ 1430.102909][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1430.102909][ T74] addrconf_add_dev+0xe2/0x170 [ 1430.102909][ T74] inet6_addr_add+0x12f/0xa40 [ 1430.102909][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1430.102909][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1430.102909][ T74] netlink_rcv_skb+0x130/0x360 [ 1430.102909][ T74] netlink_unicast+0x449/0x710 [ 1430.102909][ T74] netlink_sendmsg+0x723/0xbe0 [ 1430.102909][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1430.102909][ T74] ___sys_sendmsg+0xee/0x170 [ 1430.102909][ T74] __sys_sendmsg+0xcd/0x170 [ 1430.102909][ T74] do_syscall_64+0xc6/0x1e0 [ 1430.102909][ T74] [ 1430.105548][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1430.105548][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1430.105548][ T74] ipv6_find_idev+0x102/0x170 [ 1430.105548][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1430.105548][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1430.105548][ T74] netlink_rcv_skb+0x130/0x360 [ 1430.105548][ T74] netlink_unicast+0x449/0x710 [ 1430.105548][ T74] netlink_sendmsg+0x723/0xbe0 [ 1430.105548][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1430.105548][ T74] ___sys_sendmsg+0xee/0x170 [ 1430.105548][ T74] __sys_sendmsg+0xcd/0x170 [ 1430.105548][ T74] do_syscall_64+0xc6/0x1e0 [ 1430.105548][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1430.105548][ T74] [ 1430.107656][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1430.107656][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1430.107656][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1430.107656][ T74] ipv6_find_idev+0x102/0x170 [ 1430.107656][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1430.107656][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1430.107656][ T74] netlink_rcv_skb+0x130/0x360 [ 1430.107656][ T74] netlink_unicast+0x449/0x710 [ 1430.107656][ T74] netlink_sendmsg+0x723/0xbe0 [ 1430.107656][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1430.107656][ T74] ___sys_sendmsg+0xee/0x170 [ 1430.107656][ T74] __sys_sendmsg+0xcd/0x170 [ 1430.107656][ T74] do_syscall_64+0xc6/0x1e0 [ 1430.107656][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1430.107656][ T74] [ 1430.110040][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1430.110397][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1430.110397][ T74] netdev_get_by_index+0x5e/0x80 [ 1430.110397][ T74] fib6_nh_init+0x3d8/0x1580 [ 1430.110397][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1430.110397][ T74] ip6_route_add+0x1c/0x140 [ 1430.110397][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1430.110397][ T74] inet6_addr_add+0x4f8/0xa40 [ 1430.110397][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1430.110397][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1430.110397][ T74] netlink_rcv_skb+0x130/0x360 [ 1430.110397][ T74] netlink_unicast+0x449/0x710 [ 1430.110397][ T74] netlink_sendmsg+0x723/0xbe0 [ 1430.110397][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1430.110397][ T74] ___sys_sendmsg+0xee/0x170 [ 1430.110397][ T74] __sys_sendmsg+0xcd/0x170 [ 1430.110397][ T74] do_syscall_64+0xc6/0x1e0 [ 1430.110397][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1430.110397][ T74] [ 1430.113065][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1430.113065][ T74] netdev_get_by_index+0x5e/0x80 [ 1430.113065][ T74] fib6_nh_init+0x3d8/0x1580 [ 1430.113065][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1430.113065][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1430.113065][ T74] ipv6_add_addr+0x411/0x2000 [ 1430.113065][ T74] inet6_addr_add+0x30e/0xa40 [ 1430.113065][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1430.113065][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1430.113065][ T74] netlink_rcv_skb+0x130/0x360 [ 1430.113065][ T74] netlink_unicast+0x449/0x710 [ 1430.113065][ T74] netlink_sendmsg+0x723/0xbe0 [ 1430.113065][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1430.113065][ T74] ___sys_sendmsg+0xee/0x170 [ 1430.113065][ T74] __sys_sendmsg+0xcd/0x170 [ 1430.113065][ T74] do_syscall_64+0xc6/0x1e0 [ 1430.113065][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1430.113065][ T74] [ 1430.115688][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1430.115688][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1430.115688][ T74] ipv6_find_idev+0x102/0x170 [ 1430.115688][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1430.115688][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1430.115688][ T74] netlink_rcv_skb+0x130/0x360 [ 1430.115688][ T74] netlink_unicast+0x449/0x710 [ 1430.115688][ T74] netlink_sendmsg+0x723/0xbe0 [ 1430.115688][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1430.115688][ T74] ___sys_sendmsg+0xee/0x170 [ 1430.115688][ T74] __sys_sendmsg+0xcd/0x170 [ 1430.115688][ T74] do_syscall_64+0xc6/0x1e0 [ 1430.115688][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1430.115688][ T74] [ 1430.117721][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1430.117721][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1430.117721][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1430.117721][ T74] ipv6_find_idev+0x102/0x170 [ 1430.117721][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1430.117721][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1430.117721][ T74] netlink_rcv_skb+0x130/0x360 [ 1430.117721][ T74] netlink_unicast+0x449/0x710 [ 1430.117721][ T74] netlink_sendmsg+0x723/0xbe0 [ 1430.117721][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1430.117721][ T74] ___sys_sendmsg+0xee/0x170 [ 1430.117721][ T74] __sys_sendmsg+0xcd/0x170 [ 1430.117721][ T74] do_syscall_64+0xc6/0x1e0 [ 1430.117721][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1430.117721][ T74] [ 1440.198776][ T7093] veth0: renamed from veth1 [ 1440.239968][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1440.240311][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1440.240311][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1440.240311][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1440.240311][ T74] fib6_nh_init+0xa22/0x1580 [ 1440.240311][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1440.240311][ T74] ip6_route_add+0x1c/0x140 [ 1440.240311][ T74] inet6_rtm_newroute+0x104/0x110 [ 1440.240311][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1440.240311][ T74] netlink_rcv_skb+0x130/0x360 [ 1440.240311][ T74] netlink_unicast+0x449/0x710 [ 1440.240311][ T74] netlink_sendmsg+0x723/0xbe0 [ 1440.240311][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1440.240311][ T74] ___sys_sendmsg+0xee/0x170 [ 1440.240311][ T74] __sys_sendmsg+0xcd/0x170 [ 1440.240311][ T74] do_syscall_64+0xc6/0x1e0 [ 1440.240311][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1440.240311][ T74] [ 1440.242408][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1440.242408][ T74] netdev_get_by_index+0x5e/0x80 [ 1440.242408][ T74] fib6_nh_init+0x3d8/0x1580 [ 1440.242408][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1440.242408][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1440.242408][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1440.242408][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1440.242408][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1440.242408][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1440.242408][ T74] addrconf_dad_begin+0x310/0x670 [ 1440.242408][ T74] addrconf_dad_work+0x10b/0xab0 [ 1440.242408][ T74] process_one_work+0x84d/0x18a0 [ 1440.242408][ T74] worker_thread+0x587/0xd30 [ 1440.242408][ T74] kthread+0x28a/0x350 [ 1440.242408][ T74] ret_from_fork+0x31/0x70 [ 1440.242408][ T74] ret_from_fork_asm+0x1a/0x30 [ 1440.242408][ T74] [ 1440.244784][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1440.244784][ T74] netdev_get_by_index+0x5e/0x80 [ 1440.244784][ T74] fib6_nh_init+0x3d8/0x1580 [ 1440.244784][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1440.244784][ T74] ip6_route_add+0x1c/0x140 [ 1440.244784][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1440.244784][ T74] inet6_addr_add+0x4f8/0xa40 [ 1440.244784][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1440.244784][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1440.244784][ T74] netlink_rcv_skb+0x130/0x360 [ 1440.244784][ T74] netlink_unicast+0x449/0x710 [ 1440.244784][ T74] netlink_sendmsg+0x723/0xbe0 [ 1440.244784][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1440.244784][ T74] ___sys_sendmsg+0xee/0x170 [ 1440.244784][ T74] __sys_sendmsg+0xcd/0x170 [ 1440.244784][ T74] do_syscall_64+0xc6/0x1e0 [ 1440.244784][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1440.244784][ T74] [ 1440.247137][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1440.247137][ T74] netdev_get_by_index+0x5e/0x80 [ 1440.247137][ T74] fib6_nh_init+0x3d8/0x1580 [ 1440.247137][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1440.247137][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1440.247137][ T74] ipv6_add_addr+0x411/0x2000 [ 1440.247137][ T74] inet6_addr_add+0x30e/0xa40 [ 1440.247137][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1440.247137][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1440.247137][ T74] netlink_rcv_skb+0x130/0x360 [ 1440.247137][ T74] netlink_unicast+0x449/0x710 [ 1440.247137][ T74] netlink_sendmsg+0x723/0xbe0 [ 1440.247137][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1440.247137][ T74] ___sys_sendmsg+0xee/0x170 [ 1440.247137][ T74] __sys_sendmsg+0xcd/0x170 [ 1440.247137][ T74] do_syscall_64+0xc6/0x1e0 [ 1440.247137][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1440.247137][ T74] [ 1440.249471][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1440.249471][ T74] netdev_get_by_index+0x5e/0x80 [ 1440.249471][ T74] fib6_nh_init+0x3d8/0x1580 [ 1440.249471][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1440.249471][ T74] ip6_route_add+0x1c/0x140 [ 1440.249471][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1440.249471][ T74] addrconf_add_dev+0xe2/0x170 [ 1440.249471][ T74] inet6_addr_add+0x12f/0xa40 [ 1440.249471][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1440.249471][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1440.249471][ T74] netlink_rcv_skb+0x130/0x360 [ 1440.249471][ T74] netlink_unicast+0x449/0x710 [ 1440.249471][ T74] netlink_sendmsg+0x723/0xbe0 [ 1440.249471][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1440.249471][ T74] ___sys_sendmsg+0xee/0x170 [ 1440.249471][ T74] __sys_sendmsg+0xcd/0x170 [ 1440.249471][ T74] do_syscall_64+0xc6/0x1e0 [ 1440.249471][ T74] [ 1440.251749][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1440.251749][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1440.251749][ T74] ipv6_find_idev+0x102/0x170 [ 1440.251749][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1440.251749][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1440.251749][ T74] netlink_rcv_skb+0x130/0x360 [ 1440.251749][ T74] netlink_unicast+0x449/0x710 [ 1440.251749][ T74] netlink_sendmsg+0x723/0xbe0 [ 1440.251749][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1440.251749][ T74] ___sys_sendmsg+0xee/0x170 [ 1440.251749][ T74] __sys_sendmsg+0xcd/0x170 [ 1440.251749][ T74] do_syscall_64+0xc6/0x1e0 [ 1440.251749][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1440.251749][ T74] [ 1440.253532][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1440.253532][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1440.253532][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1440.253532][ T74] ipv6_find_idev+0x102/0x170 [ 1440.253532][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1440.253532][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1440.253532][ T74] netlink_rcv_skb+0x130/0x360 [ 1440.253532][ T74] netlink_unicast+0x449/0x710 [ 1440.253532][ T74] netlink_sendmsg+0x723/0xbe0 [ 1440.253532][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1440.253532][ T74] ___sys_sendmsg+0xee/0x170 [ 1440.253532][ T74] __sys_sendmsg+0xcd/0x170 [ 1440.253532][ T74] do_syscall_64+0xc6/0x1e0 [ 1440.253532][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1440.253532][ T74] [ 1440.255648][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1440.256055][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1440.256055][ T74] dst_init+0x84/0x4a0 [ 1440.256055][ T74] dst_alloc+0x97/0x150 [ 1440.256055][ T74] ip6_dst_alloc+0x23/0x90 [ 1440.256055][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1440.256055][ T74] ip6_pol_route+0x56f/0x840 [ 1440.256055][ T74] fib6_rule_lookup+0x456/0x630 [ 1440.256055][ T74] ip6_route_input+0x59c/0xa50 [ 1440.256055][ T74] ipv6_rcv+0x397/0x810 [ 1440.256055][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1440.256055][ T74] process_backlog+0x101/0x620 [ 1440.256055][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1440.256055][ T74] net_rx_action+0x495/0xbe0 [ 1440.256055][ T74] __do_softirq+0x1b5/0x7f6 [ 1440.256055][ T74] [ 1440.258098][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1440.258098][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1440.258098][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1440.258098][ T74] fib6_nh_init+0xa22/0x1580 [ 1440.258098][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1440.258098][ T74] ip6_route_add+0x1c/0x140 [ 1440.258098][ T74] inet6_rtm_newroute+0x104/0x110 [ 1440.258098][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1440.258098][ T74] netlink_rcv_skb+0x130/0x360 [ 1440.258098][ T74] netlink_unicast+0x449/0x710 [ 1440.258098][ T74] netlink_sendmsg+0x723/0xbe0 [ 1440.258098][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1440.258098][ T74] ___sys_sendmsg+0xee/0x170 [ 1440.258098][ T74] __sys_sendmsg+0xcd/0x170 [ 1440.258098][ T74] do_syscall_64+0xc6/0x1e0 [ 1440.258098][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1440.258098][ T74] [ 1440.260617][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1440.260617][ T74] netdev_get_by_index+0x5e/0x80 [ 1440.260617][ T74] fib6_nh_init+0x3d8/0x1580 [ 1440.260617][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1440.260617][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1440.260617][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1440.260617][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1440.260617][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1440.260617][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1440.260617][ T74] addrconf_dad_begin+0x310/0x670 [ 1440.260617][ T74] addrconf_dad_work+0x10b/0xab0 [ 1440.260617][ T74] process_one_work+0x84d/0x18a0 [ 1440.260617][ T74] worker_thread+0x587/0xd30 [ 1440.260617][ T74] kthread+0x28a/0x350 [ 1440.260617][ T74] ret_from_fork+0x31/0x70 [ 1440.260617][ T74] ret_from_fork_asm+0x1a/0x30 [ 1440.260617][ T74] [ 1440.262994][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1440.262994][ T74] netdev_get_by_index+0x5e/0x80 [ 1440.262994][ T74] fib6_nh_init+0x3d8/0x1580 [ 1440.262994][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1440.262994][ T74] ip6_route_add+0x1c/0x140 [ 1440.262994][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1440.262994][ T74] inet6_addr_add+0x4f8/0xa40 [ 1440.262994][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1440.262994][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1440.262994][ T74] netlink_rcv_skb+0x130/0x360 [ 1440.262994][ T74] netlink_unicast+0x449/0x710 [ 1440.262994][ T74] netlink_sendmsg+0x723/0xbe0 [ 1440.262994][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1440.262994][ T74] ___sys_sendmsg+0xee/0x170 [ 1440.262994][ T74] __sys_sendmsg+0xcd/0x170 [ 1440.262994][ T74] do_syscall_64+0xc6/0x1e0 [ 1440.262994][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1440.262994][ T74] [ 1440.265416][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1440.265416][ T74] netdev_get_by_index+0x5e/0x80 [ 1440.265416][ T74] fib6_nh_init+0x3d8/0x1580 [ 1440.265416][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1440.265416][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1440.265416][ T74] ipv6_add_addr+0x411/0x2000 [ 1440.265416][ T74] inet6_addr_add+0x30e/0xa40 [ 1440.265416][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1440.265416][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1440.265416][ T74] netlink_rcv_skb+0x130/0x360 [ 1440.265416][ T74] netlink_unicast+0x449/0x710 [ 1440.265416][ T74] netlink_sendmsg+0x723/0xbe0 [ 1440.265416][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1440.265416][ T74] ___sys_sendmsg+0xee/0x170 [ 1440.265416][ T74] __sys_sendmsg+0xcd/0x170 [ 1440.265416][ T74] do_syscall_64+0xc6/0x1e0 [ 1440.265416][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1440.265416][ T74] [ 1440.267693][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1440.267693][ T74] netdev_get_by_index+0x5e/0x80 [ 1440.267693][ T74] fib6_nh_init+0x3d8/0x1580 [ 1440.267693][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1440.267693][ T74] ip6_route_add+0x1c/0x140 [ 1440.267693][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1440.267693][ T74] addrconf_add_dev+0xe2/0x170 [ 1440.267693][ T74] inet6_addr_add+0x12f/0xa40 [ 1440.267693][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1440.267693][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1440.267693][ T74] netlink_rcv_skb+0x130/0x360 [ 1440.267693][ T74] netlink_unicast+0x449/0x710 [ 1440.267693][ T74] netlink_sendmsg+0x723/0xbe0 [ 1440.267693][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1440.267693][ T74] ___sys_sendmsg+0xee/0x170 [ 1440.267693][ T74] __sys_sendmsg+0xcd/0x170 [ 1440.267693][ T74] do_syscall_64+0xc6/0x1e0 [ 1440.267693][ T74] [ 1440.270091][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1440.270091][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1440.270091][ T74] ipv6_find_idev+0x102/0x170 [ 1440.270091][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1440.270091][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1440.270091][ T74] netlink_rcv_skb+0x130/0x360 [ 1440.270091][ T74] netlink_unicast+0x449/0x710 [ 1440.270091][ T74] netlink_sendmsg+0x723/0xbe0 [ 1440.270091][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1440.270091][ T74] ___sys_sendmsg+0xee/0x170 [ 1440.270091][ T74] __sys_sendmsg+0xcd/0x170 [ 1440.270091][ T74] do_syscall_64+0xc6/0x1e0 [ 1440.270091][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1440.270091][ T74] [ 1440.271950][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1440.271950][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1440.271950][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1440.271950][ T74] ipv6_find_idev+0x102/0x170 [ 1440.271950][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1440.271950][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1440.271950][ T74] netlink_rcv_skb+0x130/0x360 [ 1440.271950][ T74] netlink_unicast+0x449/0x710 [ 1440.271950][ T74] netlink_sendmsg+0x723/0xbe0 [ 1440.271950][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1440.271950][ T74] ___sys_sendmsg+0xee/0x170 [ 1440.271950][ T74] __sys_sendmsg+0xcd/0x170 [ 1440.271950][ T74] do_syscall_64+0xc6/0x1e0 [ 1440.271950][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1440.271950][ T74] [ 1440.273935][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1440.274188][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1440.274188][ T74] netdev_get_by_index+0x5e/0x80 [ 1440.274188][ T74] fib6_nh_init+0x3d8/0x1580 [ 1440.274188][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1440.274188][ T74] ip6_route_add+0x1c/0x140 [ 1440.274188][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1440.274188][ T74] inet6_addr_add+0x4f8/0xa40 [ 1440.274188][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1440.274188][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1440.274188][ T74] netlink_rcv_skb+0x130/0x360 [ 1440.274188][ T74] netlink_unicast+0x449/0x710 [ 1440.274188][ T74] netlink_sendmsg+0x723/0xbe0 [ 1440.274188][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1440.274188][ T74] ___sys_sendmsg+0xee/0x170 [ 1440.274188][ T74] __sys_sendmsg+0xcd/0x170 [ 1440.274188][ T74] do_syscall_64+0xc6/0x1e0 [ 1440.274188][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1440.274188][ T74] [ 1440.276485][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1440.276485][ T74] netdev_get_by_index+0x5e/0x80 [ 1440.276485][ T74] fib6_nh_init+0x3d8/0x1580 [ 1440.276485][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1440.276485][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1440.276485][ T74] ipv6_add_addr+0x411/0x2000 [ 1440.276485][ T74] inet6_addr_add+0x30e/0xa40 [ 1440.276485][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1440.276485][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1440.276485][ T74] netlink_rcv_skb+0x130/0x360 [ 1440.276485][ T74] netlink_unicast+0x449/0x710 [ 1440.276485][ T74] netlink_sendmsg+0x723/0xbe0 [ 1440.276485][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1440.276485][ T74] ___sys_sendmsg+0xee/0x170 [ 1440.276485][ T74] __sys_sendmsg+0xcd/0x170 [ 1440.276485][ T74] do_syscall_64+0xc6/0x1e0 [ 1440.276485][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1440.276485][ T74] [ 1440.278698][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1440.278698][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1440.278698][ T74] ipv6_find_idev+0x102/0x170 [ 1440.278698][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1440.278698][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1440.278698][ T74] netlink_rcv_skb+0x130/0x360 [ 1440.278698][ T74] netlink_unicast+0x449/0x710 [ 1440.278698][ T74] netlink_sendmsg+0x723/0xbe0 [ 1440.278698][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1440.278698][ T74] ___sys_sendmsg+0xee/0x170 [ 1440.278698][ T74] __sys_sendmsg+0xcd/0x170 [ 1440.278698][ T74] do_syscall_64+0xc6/0x1e0 [ 1440.278698][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1440.278698][ T74] [ 1440.280316][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1440.280316][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1440.280316][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1440.280316][ T74] ipv6_find_idev+0x102/0x170 [ 1440.280316][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1440.280316][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1440.280316][ T74] netlink_rcv_skb+0x130/0x360 [ 1440.280316][ T74] netlink_unicast+0x449/0x710 [ 1440.280316][ T74] netlink_sendmsg+0x723/0xbe0 [ 1440.280316][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1440.280316][ T74] ___sys_sendmsg+0xee/0x170 [ 1440.280316][ T74] __sys_sendmsg+0xcd/0x170 [ 1440.280316][ T74] do_syscall_64+0xc6/0x1e0 [ 1440.280316][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1440.280316][ T74] [ 1444.107696][ T7119] br0: port 1(vx0) entered blocking state [ 1444.107991][ T7119] br0: port 1(vx0) entered disabled state [ 1444.108186][ T7119] vx0: entered allmulticast mode [ 1444.109395][ T7119] vx0: entered promiscuous mode [ 1444.122488][ T7119] br0: port 1(vx0) entered blocking state [ 1444.122692][ T7119] br0: port 1(vx0) entered forwarding state [ 1449.707434][ T7149] br0: port 1(vx0) entered blocking state [ 1449.707702][ T7149] br0: port 1(vx0) entered disabled state [ 1449.707905][ T7149] vx0: entered allmulticast mode [ 1449.709132][ T7149] vx0: entered promiscuous mode [ 1449.711017][ T7149] br0: port 1(vx0) entered blocking state [ 1449.711189][ T7149] br0: port 1(vx0) entered forwarding state [ 1450.407974][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1450.408305][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1450.408305][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1450.408305][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1450.408305][ T74] fib6_nh_init+0xa22/0x1580 [ 1450.408305][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1450.408305][ T74] ip6_route_add+0x1c/0x140 [ 1450.408305][ T74] inet6_rtm_newroute+0x104/0x110 [ 1450.408305][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1450.408305][ T74] netlink_rcv_skb+0x130/0x360 [ 1450.408305][ T74] netlink_unicast+0x449/0x710 [ 1450.408305][ T74] netlink_sendmsg+0x723/0xbe0 [ 1450.408305][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1450.408305][ T74] ___sys_sendmsg+0xee/0x170 [ 1450.408305][ T74] __sys_sendmsg+0xcd/0x170 [ 1450.408305][ T74] do_syscall_64+0xc6/0x1e0 [ 1450.408305][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1450.408305][ T74] [ 1450.410314][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1450.410314][ T74] netdev_get_by_index+0x5e/0x80 [ 1450.410314][ T74] fib6_nh_init+0x3d8/0x1580 [ 1450.410314][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1450.410314][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1450.410314][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1450.410314][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1450.410314][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1450.410314][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1450.410314][ T74] addrconf_dad_begin+0x310/0x670 [ 1450.410314][ T74] addrconf_dad_work+0x10b/0xab0 [ 1450.410314][ T74] process_one_work+0x84d/0x18a0 [ 1450.410314][ T74] worker_thread+0x587/0xd30 [ 1450.410314][ T74] kthread+0x28a/0x350 [ 1450.410314][ T74] ret_from_fork+0x31/0x70 [ 1450.410314][ T74] ret_from_fork_asm+0x1a/0x30 [ 1450.410314][ T74] [ 1450.412310][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1450.412310][ T74] netdev_get_by_index+0x5e/0x80 [ 1450.412310][ T74] fib6_nh_init+0x3d8/0x1580 [ 1450.412310][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1450.412310][ T74] ip6_route_add+0x1c/0x140 [ 1450.412310][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1450.412310][ T74] inet6_addr_add+0x4f8/0xa40 [ 1450.412310][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1450.412310][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1450.412310][ T74] netlink_rcv_skb+0x130/0x360 [ 1450.412310][ T74] netlink_unicast+0x449/0x710 [ 1450.412310][ T74] netlink_sendmsg+0x723/0xbe0 [ 1450.412310][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1450.412310][ T74] ___sys_sendmsg+0xee/0x170 [ 1450.412310][ T74] __sys_sendmsg+0xcd/0x170 [ 1450.412310][ T74] do_syscall_64+0xc6/0x1e0 [ 1450.412310][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1450.412310][ T74] [ 1450.414415][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1450.414415][ T74] netdev_get_by_index+0x5e/0x80 [ 1450.414415][ T74] fib6_nh_init+0x3d8/0x1580 [ 1450.414415][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1450.414415][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1450.414415][ T74] ipv6_add_addr+0x411/0x2000 [ 1450.414415][ T74] inet6_addr_add+0x30e/0xa40 [ 1450.414415][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1450.414415][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1450.414415][ T74] netlink_rcv_skb+0x130/0x360 [ 1450.414415][ T74] netlink_unicast+0x449/0x710 [ 1450.414415][ T74] netlink_sendmsg+0x723/0xbe0 [ 1450.414415][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1450.414415][ T74] ___sys_sendmsg+0xee/0x170 [ 1450.414415][ T74] __sys_sendmsg+0xcd/0x170 [ 1450.414415][ T74] do_syscall_64+0xc6/0x1e0 [ 1450.414415][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1450.414415][ T74] [ 1450.416518][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1450.416518][ T74] netdev_get_by_index+0x5e/0x80 [ 1450.416518][ T74] fib6_nh_init+0x3d8/0x1580 [ 1450.416518][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1450.416518][ T74] ip6_route_add+0x1c/0x140 [ 1450.416518][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1450.416518][ T74] addrconf_add_dev+0xe2/0x170 [ 1450.416518][ T74] inet6_addr_add+0x12f/0xa40 [ 1450.416518][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1450.416518][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1450.416518][ T74] netlink_rcv_skb+0x130/0x360 [ 1450.416518][ T74] netlink_unicast+0x449/0x710 [ 1450.416518][ T74] netlink_sendmsg+0x723/0xbe0 [ 1450.416518][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1450.416518][ T74] ___sys_sendmsg+0xee/0x170 [ 1450.416518][ T74] __sys_sendmsg+0xcd/0x170 [ 1450.416518][ T74] do_syscall_64+0xc6/0x1e0 [ 1450.416518][ T74] [ 1450.418680][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1450.418680][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1450.418680][ T74] ipv6_find_idev+0x102/0x170 [ 1450.418680][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1450.418680][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1450.418680][ T74] netlink_rcv_skb+0x130/0x360 [ 1450.418680][ T74] netlink_unicast+0x449/0x710 [ 1450.418680][ T74] netlink_sendmsg+0x723/0xbe0 [ 1450.418680][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1450.418680][ T74] ___sys_sendmsg+0xee/0x170 [ 1450.418680][ T74] __sys_sendmsg+0xcd/0x170 [ 1450.418680][ T74] do_syscall_64+0xc6/0x1e0 [ 1450.418680][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1450.418680][ T74] [ 1450.420488][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1450.420488][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1450.420488][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1450.420488][ T74] ipv6_find_idev+0x102/0x170 [ 1450.420488][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1450.420488][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1450.420488][ T74] netlink_rcv_skb+0x130/0x360 [ 1450.420488][ T74] netlink_unicast+0x449/0x710 [ 1450.420488][ T74] netlink_sendmsg+0x723/0xbe0 [ 1450.420488][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1450.420488][ T74] ___sys_sendmsg+0xee/0x170 [ 1450.420488][ T74] __sys_sendmsg+0xcd/0x170 [ 1450.420488][ T74] do_syscall_64+0xc6/0x1e0 [ 1450.420488][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1450.420488][ T74] [ 1450.422491][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1450.422778][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1450.422778][ T74] dst_init+0x84/0x4a0 [ 1450.422778][ T74] dst_alloc+0x97/0x150 [ 1450.422778][ T74] ip6_dst_alloc+0x23/0x90 [ 1450.422778][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1450.422778][ T74] ip6_pol_route+0x56f/0x840 [ 1450.422778][ T74] fib6_rule_lookup+0x456/0x630 [ 1450.422778][ T74] ip6_route_input+0x59c/0xa50 [ 1450.422778][ T74] ipv6_rcv+0x397/0x810 [ 1450.422778][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1450.422778][ T74] process_backlog+0x101/0x620 [ 1450.422778][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1450.422778][ T74] net_rx_action+0x495/0xbe0 [ 1450.422778][ T74] __do_softirq+0x1b5/0x7f6 [ 1450.422778][ T74] [ 1450.424610][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1450.424610][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1450.424610][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1450.424610][ T74] fib6_nh_init+0xa22/0x1580 [ 1450.424610][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1450.424610][ T74] ip6_route_add+0x1c/0x140 [ 1450.424610][ T74] inet6_rtm_newroute+0x104/0x110 [ 1450.424610][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1450.424610][ T74] netlink_rcv_skb+0x130/0x360 [ 1450.424610][ T74] netlink_unicast+0x449/0x710 [ 1450.424610][ T74] netlink_sendmsg+0x723/0xbe0 [ 1450.424610][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1450.424610][ T74] ___sys_sendmsg+0xee/0x170 [ 1450.424610][ T74] __sys_sendmsg+0xcd/0x170 [ 1450.424610][ T74] do_syscall_64+0xc6/0x1e0 [ 1450.424610][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1450.424610][ T74] [ 1450.426819][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1450.426819][ T74] netdev_get_by_index+0x5e/0x80 [ 1450.426819][ T74] fib6_nh_init+0x3d8/0x1580 [ 1450.426819][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1450.426819][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1450.426819][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1450.426819][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1450.426819][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1450.426819][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1450.426819][ T74] addrconf_dad_begin+0x310/0x670 [ 1450.426819][ T74] addrconf_dad_work+0x10b/0xab0 [ 1450.426819][ T74] process_one_work+0x84d/0x18a0 [ 1450.426819][ T74] worker_thread+0x587/0xd30 [ 1450.426819][ T74] kthread+0x28a/0x350 [ 1450.426819][ T74] ret_from_fork+0x31/0x70 [ 1450.426819][ T74] ret_from_fork_asm+0x1a/0x30 [ 1450.426819][ T74] [ 1450.429096][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1450.429096][ T74] netdev_get_by_index+0x5e/0x80 [ 1450.429096][ T74] fib6_nh_init+0x3d8/0x1580 [ 1450.429096][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1450.429096][ T74] ip6_route_add+0x1c/0x140 [ 1450.429096][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1450.429096][ T74] inet6_addr_add+0x4f8/0xa40 [ 1450.429096][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1450.429096][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1450.429096][ T74] netlink_rcv_skb+0x130/0x360 [ 1450.429096][ T74] netlink_unicast+0x449/0x710 [ 1450.429096][ T74] netlink_sendmsg+0x723/0xbe0 [ 1450.429096][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1450.429096][ T74] ___sys_sendmsg+0xee/0x170 [ 1450.429096][ T74] __sys_sendmsg+0xcd/0x170 [ 1450.429096][ T74] do_syscall_64+0xc6/0x1e0 [ 1450.429096][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1450.429096][ T74] [ 1450.431369][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1450.431369][ T74] netdev_get_by_index+0x5e/0x80 [ 1450.431369][ T74] fib6_nh_init+0x3d8/0x1580 [ 1450.431369][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1450.431369][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1450.431369][ T74] ipv6_add_addr+0x411/0x2000 [ 1450.431369][ T74] inet6_addr_add+0x30e/0xa40 [ 1450.431369][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1450.431369][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1450.431369][ T74] netlink_rcv_skb+0x130/0x360 [ 1450.431369][ T74] netlink_unicast+0x449/0x710 [ 1450.431369][ T74] netlink_sendmsg+0x723/0xbe0 [ 1450.431369][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1450.431369][ T74] ___sys_sendmsg+0xee/0x170 [ 1450.431369][ T74] __sys_sendmsg+0xcd/0x170 [ 1450.431369][ T74] do_syscall_64+0xc6/0x1e0 [ 1450.431369][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1450.431369][ T74] [ 1450.433778][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1450.433778][ T74] netdev_get_by_index+0x5e/0x80 [ 1450.433778][ T74] fib6_nh_init+0x3d8/0x1580 [ 1450.433778][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1450.433778][ T74] ip6_route_add+0x1c/0x140 [ 1450.433778][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1450.433778][ T74] addrconf_add_dev+0xe2/0x170 [ 1450.433778][ T74] inet6_addr_add+0x12f/0xa40 [ 1450.433778][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1450.433778][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1450.433778][ T74] netlink_rcv_skb+0x130/0x360 [ 1450.433778][ T74] netlink_unicast+0x449/0x710 [ 1450.433778][ T74] netlink_sendmsg+0x723/0xbe0 [ 1450.433778][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1450.433778][ T74] ___sys_sendmsg+0xee/0x170 [ 1450.433778][ T74] __sys_sendmsg+0xcd/0x170 [ 1450.433778][ T74] do_syscall_64+0xc6/0x1e0 [ 1450.433778][ T74] [ 1450.436019][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1450.436019][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1450.436019][ T74] ipv6_find_idev+0x102/0x170 [ 1450.436019][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1450.436019][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1450.436019][ T74] netlink_rcv_skb+0x130/0x360 [ 1450.436019][ T74] netlink_unicast+0x449/0x710 [ 1450.436019][ T74] netlink_sendmsg+0x723/0xbe0 [ 1450.436019][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1450.436019][ T74] ___sys_sendmsg+0xee/0x170 [ 1450.436019][ T74] __sys_sendmsg+0xcd/0x170 [ 1450.436019][ T74] do_syscall_64+0xc6/0x1e0 [ 1450.436019][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1450.436019][ T74] [ 1450.437736][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1450.437736][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1450.437736][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1450.437736][ T74] ipv6_find_idev+0x102/0x170 [ 1450.437736][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1450.437736][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1450.437736][ T74] netlink_rcv_skb+0x130/0x360 [ 1450.437736][ T74] netlink_unicast+0x449/0x710 [ 1450.437736][ T74] netlink_sendmsg+0x723/0xbe0 [ 1450.437736][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1450.437736][ T74] ___sys_sendmsg+0xee/0x170 [ 1450.437736][ T74] __sys_sendmsg+0xcd/0x170 [ 1450.437736][ T74] do_syscall_64+0xc6/0x1e0 [ 1450.437736][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1450.437736][ T74] [ 1450.439615][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1450.439942][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1450.439942][ T74] netdev_get_by_index+0x5e/0x80 [ 1450.439942][ T74] fib6_nh_init+0x3d8/0x1580 [ 1450.439942][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1450.439942][ T74] ip6_route_add+0x1c/0x140 [ 1450.439942][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1450.439942][ T74] inet6_addr_add+0x4f8/0xa40 [ 1450.439942][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1450.439942][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1450.439942][ T74] netlink_rcv_skb+0x130/0x360 [ 1450.439942][ T74] netlink_unicast+0x449/0x710 [ 1450.439942][ T74] netlink_sendmsg+0x723/0xbe0 [ 1450.439942][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1450.439942][ T74] ___sys_sendmsg+0xee/0x170 [ 1450.439942][ T74] __sys_sendmsg+0xcd/0x170 [ 1450.439942][ T74] do_syscall_64+0xc6/0x1e0 [ 1450.439942][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1450.439942][ T74] [ 1450.442082][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1450.442082][ T74] netdev_get_by_index+0x5e/0x80 [ 1450.442082][ T74] fib6_nh_init+0x3d8/0x1580 [ 1450.442082][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1450.442082][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1450.442082][ T74] ipv6_add_addr+0x411/0x2000 [ 1450.442082][ T74] inet6_addr_add+0x30e/0xa40 [ 1450.442082][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1450.442082][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1450.442082][ T74] netlink_rcv_skb+0x130/0x360 [ 1450.442082][ T74] netlink_unicast+0x449/0x710 [ 1450.442082][ T74] netlink_sendmsg+0x723/0xbe0 [ 1450.442082][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1450.442082][ T74] ___sys_sendmsg+0xee/0x170 [ 1450.442082][ T74] __sys_sendmsg+0xcd/0x170 [ 1450.442082][ T74] do_syscall_64+0xc6/0x1e0 [ 1450.442082][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1450.442082][ T74] [ 1450.444336][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1450.444336][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1450.444336][ T74] ipv6_find_idev+0x102/0x170 [ 1450.444336][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1450.444336][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1450.444336][ T74] netlink_rcv_skb+0x130/0x360 [ 1450.444336][ T74] netlink_unicast+0x449/0x710 [ 1450.444336][ T74] netlink_sendmsg+0x723/0xbe0 [ 1450.444336][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1450.444336][ T74] ___sys_sendmsg+0xee/0x170 [ 1450.444336][ T74] __sys_sendmsg+0xcd/0x170 [ 1450.444336][ T74] do_syscall_64+0xc6/0x1e0 [ 1450.444336][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1450.444336][ T74] [ 1450.446042][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1450.446042][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1450.446042][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1450.446042][ T74] ipv6_find_idev+0x102/0x170 [ 1450.446042][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1450.446042][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1450.446042][ T74] netlink_rcv_skb+0x130/0x360 [ 1450.446042][ T74] netlink_unicast+0x449/0x710 [ 1450.446042][ T74] netlink_sendmsg+0x723/0xbe0 [ 1450.446042][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1450.446042][ T74] ___sys_sendmsg+0xee/0x170 [ 1450.446042][ T74] __sys_sendmsg+0xcd/0x170 [ 1450.446042][ T74] do_syscall_64+0xc6/0x1e0 [ 1450.446042][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1450.446042][ T74] [ 1453.883309][ T7180] veth0: renamed from veth1 [ 1457.863420][ T7207] br0: port 1(vx0) entered blocking state [ 1457.863681][ T7207] br0: port 1(vx0) entered disabled state [ 1457.863874][ T7207] vx0: entered allmulticast mode [ 1457.866111][ T7207] vx0: entered promiscuous mode [ 1457.872506][ T7207] br0: port 1(vx0) entered blocking state [ 1457.872682][ T7207] br0: port 1(vx0) entered forwarding state [ 1460.575994][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1460.576331][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1460.576331][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1460.576331][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1460.576331][ T74] fib6_nh_init+0xa22/0x1580 [ 1460.576331][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1460.576331][ T74] ip6_route_add+0x1c/0x140 [ 1460.576331][ T74] inet6_rtm_newroute+0x104/0x110 [ 1460.576331][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1460.576331][ T74] netlink_rcv_skb+0x130/0x360 [ 1460.576331][ T74] netlink_unicast+0x449/0x710 [ 1460.576331][ T74] netlink_sendmsg+0x723/0xbe0 [ 1460.576331][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1460.576331][ T74] ___sys_sendmsg+0xee/0x170 [ 1460.576331][ T74] __sys_sendmsg+0xcd/0x170 [ 1460.576331][ T74] do_syscall_64+0xc6/0x1e0 [ 1460.576331][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1460.576331][ T74] [ 1460.578378][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1460.578378][ T74] netdev_get_by_index+0x5e/0x80 [ 1460.578378][ T74] fib6_nh_init+0x3d8/0x1580 [ 1460.578378][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1460.578378][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1460.578378][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1460.578378][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1460.578378][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1460.578378][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1460.578378][ T74] addrconf_dad_begin+0x310/0x670 [ 1460.578378][ T74] addrconf_dad_work+0x10b/0xab0 [ 1460.578378][ T74] process_one_work+0x84d/0x18a0 [ 1460.578378][ T74] worker_thread+0x587/0xd30 [ 1460.578378][ T74] kthread+0x28a/0x350 [ 1460.578378][ T74] ret_from_fork+0x31/0x70 [ 1460.578378][ T74] ret_from_fork_asm+0x1a/0x30 [ 1460.578378][ T74] [ 1460.580364][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1460.580364][ T74] netdev_get_by_index+0x5e/0x80 [ 1460.580364][ T74] fib6_nh_init+0x3d8/0x1580 [ 1460.580364][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1460.580364][ T74] ip6_route_add+0x1c/0x140 [ 1460.580364][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1460.580364][ T74] inet6_addr_add+0x4f8/0xa40 [ 1460.580364][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1460.580364][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1460.580364][ T74] netlink_rcv_skb+0x130/0x360 [ 1460.580364][ T74] netlink_unicast+0x449/0x710 [ 1460.580364][ T74] netlink_sendmsg+0x723/0xbe0 [ 1460.580364][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1460.580364][ T74] ___sys_sendmsg+0xee/0x170 [ 1460.580364][ T74] __sys_sendmsg+0xcd/0x170 [ 1460.580364][ T74] do_syscall_64+0xc6/0x1e0 [ 1460.580364][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1460.580364][ T74] [ 1460.582459][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1460.582459][ T74] netdev_get_by_index+0x5e/0x80 [ 1460.582459][ T74] fib6_nh_init+0x3d8/0x1580 [ 1460.582459][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1460.582459][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1460.582459][ T74] ipv6_add_addr+0x411/0x2000 [ 1460.582459][ T74] inet6_addr_add+0x30e/0xa40 [ 1460.582459][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1460.582459][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1460.582459][ T74] netlink_rcv_skb+0x130/0x360 [ 1460.582459][ T74] netlink_unicast+0x449/0x710 [ 1460.582459][ T74] netlink_sendmsg+0x723/0xbe0 [ 1460.582459][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1460.582459][ T74] ___sys_sendmsg+0xee/0x170 [ 1460.582459][ T74] __sys_sendmsg+0xcd/0x170 [ 1460.582459][ T74] do_syscall_64+0xc6/0x1e0 [ 1460.582459][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1460.582459][ T74] [ 1460.584545][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1460.584545][ T74] netdev_get_by_index+0x5e/0x80 [ 1460.584545][ T74] fib6_nh_init+0x3d8/0x1580 [ 1460.584545][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1460.584545][ T74] ip6_route_add+0x1c/0x140 [ 1460.584545][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1460.584545][ T74] addrconf_add_dev+0xe2/0x170 [ 1460.584545][ T74] inet6_addr_add+0x12f/0xa40 [ 1460.584545][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1460.584545][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1460.584545][ T74] netlink_rcv_skb+0x130/0x360 [ 1460.584545][ T74] netlink_unicast+0x449/0x710 [ 1460.584545][ T74] netlink_sendmsg+0x723/0xbe0 [ 1460.584545][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1460.584545][ T74] ___sys_sendmsg+0xee/0x170 [ 1460.584545][ T74] __sys_sendmsg+0xcd/0x170 [ 1460.584545][ T74] do_syscall_64+0xc6/0x1e0 [ 1460.584545][ T74] [ 1460.586709][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1460.586709][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1460.586709][ T74] ipv6_find_idev+0x102/0x170 [ 1460.586709][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1460.586709][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1460.586709][ T74] netlink_rcv_skb+0x130/0x360 [ 1460.586709][ T74] netlink_unicast+0x449/0x710 [ 1460.586709][ T74] netlink_sendmsg+0x723/0xbe0 [ 1460.586709][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1460.586709][ T74] ___sys_sendmsg+0xee/0x170 [ 1460.586709][ T74] __sys_sendmsg+0xcd/0x170 [ 1460.586709][ T74] do_syscall_64+0xc6/0x1e0 [ 1460.586709][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1460.586709][ T74] [ 1460.588587][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1460.588587][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1460.588587][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1460.588587][ T74] ipv6_find_idev+0x102/0x170 [ 1460.588587][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1460.588587][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1460.588587][ T74] netlink_rcv_skb+0x130/0x360 [ 1460.588587][ T74] netlink_unicast+0x449/0x710 [ 1460.588587][ T74] netlink_sendmsg+0x723/0xbe0 [ 1460.588587][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1460.588587][ T74] ___sys_sendmsg+0xee/0x170 [ 1460.588587][ T74] __sys_sendmsg+0xcd/0x170 [ 1460.588587][ T74] do_syscall_64+0xc6/0x1e0 [ 1460.588587][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1460.588587][ T74] [ 1460.590469][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1460.590766][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1460.590766][ T74] dst_init+0x84/0x4a0 [ 1460.590766][ T74] dst_alloc+0x97/0x150 [ 1460.590766][ T74] ip6_dst_alloc+0x23/0x90 [ 1460.590766][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1460.590766][ T74] ip6_pol_route+0x56f/0x840 [ 1460.590766][ T74] fib6_rule_lookup+0x456/0x630 [ 1460.590766][ T74] ip6_route_input+0x59c/0xa50 [ 1460.590766][ T74] ipv6_rcv+0x397/0x810 [ 1460.590766][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1460.590766][ T74] process_backlog+0x101/0x620 [ 1460.590766][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1460.590766][ T74] net_rx_action+0x495/0xbe0 [ 1460.590766][ T74] __do_softirq+0x1b5/0x7f6 [ 1460.590766][ T74] [ 1460.592755][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1460.592755][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1460.592755][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1460.592755][ T74] fib6_nh_init+0xa22/0x1580 [ 1460.592755][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1460.592755][ T74] ip6_route_add+0x1c/0x140 [ 1460.592755][ T74] inet6_rtm_newroute+0x104/0x110 [ 1460.592755][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1460.592755][ T74] netlink_rcv_skb+0x130/0x360 [ 1460.592755][ T74] netlink_unicast+0x449/0x710 [ 1460.592755][ T74] netlink_sendmsg+0x723/0xbe0 [ 1460.592755][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1460.592755][ T74] ___sys_sendmsg+0xee/0x170 [ 1460.592755][ T74] __sys_sendmsg+0xcd/0x170 [ 1460.592755][ T74] do_syscall_64+0xc6/0x1e0 [ 1460.592755][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1460.592755][ T74] [ 1460.594919][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1460.594919][ T74] netdev_get_by_index+0x5e/0x80 [ 1460.594919][ T74] fib6_nh_init+0x3d8/0x1580 [ 1460.594919][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1460.594919][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1460.594919][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1460.594919][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1460.594919][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1460.594919][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1460.594919][ T74] addrconf_dad_begin+0x310/0x670 [ 1460.594919][ T74] addrconf_dad_work+0x10b/0xab0 [ 1460.594919][ T74] process_one_work+0x84d/0x18a0 [ 1460.594919][ T74] worker_thread+0x587/0xd30 [ 1460.594919][ T74] kthread+0x28a/0x350 [ 1460.594919][ T74] ret_from_fork+0x31/0x70 [ 1460.594919][ T74] ret_from_fork_asm+0x1a/0x30 [ 1460.594919][ T74] [ 1460.597168][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1460.597168][ T74] netdev_get_by_index+0x5e/0x80 [ 1460.597168][ T74] fib6_nh_init+0x3d8/0x1580 [ 1460.597168][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1460.597168][ T74] ip6_route_add+0x1c/0x140 [ 1460.597168][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1460.597168][ T74] inet6_addr_add+0x4f8/0xa40 [ 1460.597168][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1460.597168][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1460.597168][ T74] netlink_rcv_skb+0x130/0x360 [ 1460.597168][ T74] netlink_unicast+0x449/0x710 [ 1460.597168][ T74] netlink_sendmsg+0x723/0xbe0 [ 1460.597168][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1460.597168][ T74] ___sys_sendmsg+0xee/0x170 [ 1460.597168][ T74] __sys_sendmsg+0xcd/0x170 [ 1460.597168][ T74] do_syscall_64+0xc6/0x1e0 [ 1460.597168][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1460.597168][ T74] [ 1460.599385][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1460.599385][ T74] netdev_get_by_index+0x5e/0x80 [ 1460.599385][ T74] fib6_nh_init+0x3d8/0x1580 [ 1460.599385][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1460.599385][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1460.599385][ T74] ipv6_add_addr+0x411/0x2000 [ 1460.599385][ T74] inet6_addr_add+0x30e/0xa40 [ 1460.599385][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1460.599385][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1460.599385][ T74] netlink_rcv_skb+0x130/0x360 [ 1460.599385][ T74] netlink_unicast+0x449/0x710 [ 1460.599385][ T74] netlink_sendmsg+0x723/0xbe0 [ 1460.599385][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1460.599385][ T74] ___sys_sendmsg+0xee/0x170 [ 1460.599385][ T74] __sys_sendmsg+0xcd/0x170 [ 1460.599385][ T74] do_syscall_64+0xc6/0x1e0 [ 1460.599385][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1460.599385][ T74] [ 1460.601547][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1460.601547][ T74] netdev_get_by_index+0x5e/0x80 [ 1460.601547][ T74] fib6_nh_init+0x3d8/0x1580 [ 1460.601547][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1460.601547][ T74] ip6_route_add+0x1c/0x140 [ 1460.601547][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1460.601547][ T74] addrconf_add_dev+0xe2/0x170 [ 1460.601547][ T74] inet6_addr_add+0x12f/0xa40 [ 1460.601547][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1460.601547][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1460.601547][ T74] netlink_rcv_skb+0x130/0x360 [ 1460.601547][ T74] netlink_unicast+0x449/0x710 [ 1460.601547][ T74] netlink_sendmsg+0x723/0xbe0 [ 1460.601547][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1460.601547][ T74] ___sys_sendmsg+0xee/0x170 [ 1460.601547][ T74] __sys_sendmsg+0xcd/0x170 [ 1460.601547][ T74] do_syscall_64+0xc6/0x1e0 [ 1460.601547][ T74] [ 1460.603772][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1460.603772][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1460.603772][ T74] ipv6_find_idev+0x102/0x170 [ 1460.603772][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1460.603772][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1460.603772][ T74] netlink_rcv_skb+0x130/0x360 [ 1460.603772][ T74] netlink_unicast+0x449/0x710 [ 1460.603772][ T74] netlink_sendmsg+0x723/0xbe0 [ 1460.603772][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1460.603772][ T74] ___sys_sendmsg+0xee/0x170 [ 1460.603772][ T74] __sys_sendmsg+0xcd/0x170 [ 1460.603772][ T74] do_syscall_64+0xc6/0x1e0 [ 1460.603772][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1460.603772][ T74] [ 1460.605549][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1460.605549][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1460.605549][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1460.605549][ T74] ipv6_find_idev+0x102/0x170 [ 1460.605549][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1460.605549][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1460.605549][ T74] netlink_rcv_skb+0x130/0x360 [ 1460.605549][ T74] netlink_unicast+0x449/0x710 [ 1460.605549][ T74] netlink_sendmsg+0x723/0xbe0 [ 1460.605549][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1460.605549][ T74] ___sys_sendmsg+0xee/0x170 [ 1460.605549][ T74] __sys_sendmsg+0xcd/0x170 [ 1460.605549][ T74] do_syscall_64+0xc6/0x1e0 [ 1460.605549][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1460.605549][ T74] [ 1460.607611][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1460.607860][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1460.607860][ T74] netdev_get_by_index+0x5e/0x80 [ 1460.607860][ T74] fib6_nh_init+0x3d8/0x1580 [ 1460.607860][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1460.607860][ T74] ip6_route_add+0x1c/0x140 [ 1460.607860][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1460.607860][ T74] inet6_addr_add+0x4f8/0xa40 [ 1460.607860][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1460.607860][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1460.607860][ T74] netlink_rcv_skb+0x130/0x360 [ 1460.607860][ T74] netlink_unicast+0x449/0x710 [ 1460.607860][ T74] netlink_sendmsg+0x723/0xbe0 [ 1460.607860][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1460.607860][ T74] ___sys_sendmsg+0xee/0x170 [ 1460.607860][ T74] __sys_sendmsg+0xcd/0x170 [ 1460.607860][ T74] do_syscall_64+0xc6/0x1e0 [ 1460.607860][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1460.607860][ T74] [ 1460.609986][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1460.609986][ T74] netdev_get_by_index+0x5e/0x80 [ 1460.609986][ T74] fib6_nh_init+0x3d8/0x1580 [ 1460.609986][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1460.609986][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1460.609986][ T74] ipv6_add_addr+0x411/0x2000 [ 1460.609986][ T74] inet6_addr_add+0x30e/0xa40 [ 1460.609986][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1460.609986][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1460.609986][ T74] netlink_rcv_skb+0x130/0x360 [ 1460.609986][ T74] netlink_unicast+0x449/0x710 [ 1460.609986][ T74] netlink_sendmsg+0x723/0xbe0 [ 1460.609986][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1460.609986][ T74] ___sys_sendmsg+0xee/0x170 [ 1460.609986][ T74] __sys_sendmsg+0xcd/0x170 [ 1460.609986][ T74] do_syscall_64+0xc6/0x1e0 [ 1460.609986][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1460.609986][ T74] [ 1460.612060][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1460.612060][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1460.612060][ T74] ipv6_find_idev+0x102/0x170 [ 1460.612060][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1460.612060][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1460.612060][ T74] netlink_rcv_skb+0x130/0x360 [ 1460.612060][ T74] netlink_unicast+0x449/0x710 [ 1460.612060][ T74] netlink_sendmsg+0x723/0xbe0 [ 1460.612060][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1460.612060][ T74] ___sys_sendmsg+0xee/0x170 [ 1460.612060][ T74] __sys_sendmsg+0xcd/0x170 [ 1460.612060][ T74] do_syscall_64+0xc6/0x1e0 [ 1460.612060][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1460.612060][ T74] [ 1460.613729][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1460.613729][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1460.613729][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1460.613729][ T74] ipv6_find_idev+0x102/0x170 [ 1460.613729][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1460.613729][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1460.613729][ T74] netlink_rcv_skb+0x130/0x360 [ 1460.613729][ T74] netlink_unicast+0x449/0x710 [ 1460.613729][ T74] netlink_sendmsg+0x723/0xbe0 [ 1460.613729][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1460.613729][ T74] ___sys_sendmsg+0xee/0x170 [ 1460.613729][ T74] __sys_sendmsg+0xcd/0x170 [ 1460.613729][ T74] do_syscall_64+0xc6/0x1e0 [ 1460.613729][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1460.613729][ T74] [ 1463.333632][ T7237] br0: port 1(vx0) entered blocking state [ 1463.333915][ T7237] br0: port 1(vx0) entered disabled state [ 1463.334103][ T7237] vx0: entered allmulticast mode [ 1463.335316][ T7237] vx0: entered promiscuous mode [ 1463.337211][ T7237] br0: port 1(vx0) entered blocking state [ 1463.337381][ T7237] br0: port 1(vx0) entered forwarding state [ 1470.655982][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1470.656410][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1470.656410][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1470.656410][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1470.656410][ T74] fib6_nh_init+0xa22/0x1580 [ 1470.656410][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1470.656410][ T74] ip6_route_add+0x1c/0x140 [ 1470.656410][ T74] inet6_rtm_newroute+0x104/0x110 [ 1470.656410][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1470.656410][ T74] netlink_rcv_skb+0x130/0x360 [ 1470.656410][ T74] netlink_unicast+0x449/0x710 [ 1470.656410][ T74] netlink_sendmsg+0x723/0xbe0 [ 1470.656410][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1470.656410][ T74] ___sys_sendmsg+0xee/0x170 [ 1470.656410][ T74] __sys_sendmsg+0xcd/0x170 [ 1470.656410][ T74] do_syscall_64+0xc6/0x1e0 [ 1470.656410][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1470.656410][ T74] [ 1470.658462][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1470.658462][ T74] netdev_get_by_index+0x5e/0x80 [ 1470.658462][ T74] fib6_nh_init+0x3d8/0x1580 [ 1470.658462][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1470.658462][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1470.658462][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1470.658462][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1470.658462][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1470.658462][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1470.658462][ T74] addrconf_dad_begin+0x310/0x670 [ 1470.658462][ T74] addrconf_dad_work+0x10b/0xab0 [ 1470.658462][ T74] process_one_work+0x84d/0x18a0 [ 1470.658462][ T74] worker_thread+0x587/0xd30 [ 1470.658462][ T74] kthread+0x28a/0x350 [ 1470.658462][ T74] ret_from_fork+0x31/0x70 [ 1470.658462][ T74] ret_from_fork_asm+0x1a/0x30 [ 1470.658462][ T74] [ 1470.660573][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1470.660573][ T74] netdev_get_by_index+0x5e/0x80 [ 1470.660573][ T74] fib6_nh_init+0x3d8/0x1580 [ 1470.660573][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1470.660573][ T74] ip6_route_add+0x1c/0x140 [ 1470.660573][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1470.660573][ T74] inet6_addr_add+0x4f8/0xa40 [ 1470.660573][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1470.660573][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1470.660573][ T74] netlink_rcv_skb+0x130/0x360 [ 1470.660573][ T74] netlink_unicast+0x449/0x710 [ 1470.660573][ T74] netlink_sendmsg+0x723/0xbe0 [ 1470.660573][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1470.660573][ T74] ___sys_sendmsg+0xee/0x170 [ 1470.660573][ T74] __sys_sendmsg+0xcd/0x170 [ 1470.660573][ T74] do_syscall_64+0xc6/0x1e0 [ 1470.660573][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1470.660573][ T74] [ 1470.662700][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1470.662700][ T74] netdev_get_by_index+0x5e/0x80 [ 1470.662700][ T74] fib6_nh_init+0x3d8/0x1580 [ 1470.662700][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1470.662700][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1470.662700][ T74] ipv6_add_addr+0x411/0x2000 [ 1470.662700][ T74] inet6_addr_add+0x30e/0xa40 [ 1470.662700][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1470.662700][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1470.662700][ T74] netlink_rcv_skb+0x130/0x360 [ 1470.662700][ T74] netlink_unicast+0x449/0x710 [ 1470.662700][ T74] netlink_sendmsg+0x723/0xbe0 [ 1470.662700][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1470.662700][ T74] ___sys_sendmsg+0xee/0x170 [ 1470.662700][ T74] __sys_sendmsg+0xcd/0x170 [ 1470.662700][ T74] do_syscall_64+0xc6/0x1e0 [ 1470.662700][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1470.662700][ T74] [ 1470.664837][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1470.664837][ T74] netdev_get_by_index+0x5e/0x80 [ 1470.664837][ T74] fib6_nh_init+0x3d8/0x1580 [ 1470.664837][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1470.664837][ T74] ip6_route_add+0x1c/0x140 [ 1470.664837][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1470.664837][ T74] addrconf_add_dev+0xe2/0x170 [ 1470.664837][ T74] inet6_addr_add+0x12f/0xa40 [ 1470.664837][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1470.664837][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1470.664837][ T74] netlink_rcv_skb+0x130/0x360 [ 1470.664837][ T74] netlink_unicast+0x449/0x710 [ 1470.664837][ T74] netlink_sendmsg+0x723/0xbe0 [ 1470.664837][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1470.664837][ T74] ___sys_sendmsg+0xee/0x170 [ 1470.664837][ T74] __sys_sendmsg+0xcd/0x170 [ 1470.664837][ T74] do_syscall_64+0xc6/0x1e0 [ 1470.664837][ T74] [ 1470.666952][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1470.666952][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1470.666952][ T74] ipv6_find_idev+0x102/0x170 [ 1470.666952][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1470.666952][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1470.666952][ T74] netlink_rcv_skb+0x130/0x360 [ 1470.666952][ T74] netlink_unicast+0x449/0x710 [ 1470.666952][ T74] netlink_sendmsg+0x723/0xbe0 [ 1470.666952][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1470.666952][ T74] ___sys_sendmsg+0xee/0x170 [ 1470.666952][ T74] __sys_sendmsg+0xcd/0x170 [ 1470.666952][ T74] do_syscall_64+0xc6/0x1e0 [ 1470.666952][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1470.666952][ T74] [ 1470.668584][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1470.668584][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1470.668584][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1470.668584][ T74] ipv6_find_idev+0x102/0x170 [ 1470.668584][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1470.668584][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1470.668584][ T74] netlink_rcv_skb+0x130/0x360 [ 1470.668584][ T74] netlink_unicast+0x449/0x710 [ 1470.668584][ T74] netlink_sendmsg+0x723/0xbe0 [ 1470.668584][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1470.668584][ T74] ___sys_sendmsg+0xee/0x170 [ 1470.668584][ T74] __sys_sendmsg+0xcd/0x170 [ 1470.668584][ T74] do_syscall_64+0xc6/0x1e0 [ 1470.668584][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1470.668584][ T74] [ 1470.670392][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1470.670693][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1470.670693][ T74] dst_init+0x84/0x4a0 [ 1470.670693][ T74] dst_alloc+0x97/0x150 [ 1470.670693][ T74] ip6_dst_alloc+0x23/0x90 [ 1470.670693][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1470.670693][ T74] ip6_pol_route+0x56f/0x840 [ 1470.670693][ T74] fib6_rule_lookup+0x456/0x630 [ 1470.670693][ T74] ip6_route_input+0x59c/0xa50 [ 1470.670693][ T74] ipv6_rcv+0x397/0x810 [ 1470.670693][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1470.670693][ T74] process_backlog+0x101/0x620 [ 1470.670693][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1470.670693][ T74] net_rx_action+0x495/0xbe0 [ 1470.670693][ T74] __do_softirq+0x1b5/0x7f6 [ 1470.670693][ T74] [ 1470.672671][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1470.672671][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1470.672671][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1470.672671][ T74] fib6_nh_init+0xa22/0x1580 [ 1470.672671][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1470.672671][ T74] ip6_route_add+0x1c/0x140 [ 1470.672671][ T74] inet6_rtm_newroute+0x104/0x110 [ 1470.672671][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1470.672671][ T74] netlink_rcv_skb+0x130/0x360 [ 1470.672671][ T74] netlink_unicast+0x449/0x710 [ 1470.672671][ T74] netlink_sendmsg+0x723/0xbe0 [ 1470.672671][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1470.672671][ T74] ___sys_sendmsg+0xee/0x170 [ 1470.672671][ T74] __sys_sendmsg+0xcd/0x170 [ 1470.672671][ T74] do_syscall_64+0xc6/0x1e0 [ 1470.672671][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1470.672671][ T74] [ 1470.674978][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1470.674978][ T74] netdev_get_by_index+0x5e/0x80 [ 1470.674978][ T74] fib6_nh_init+0x3d8/0x1580 [ 1470.674978][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1470.674978][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1470.674978][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1470.674978][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1470.674978][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1470.674978][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1470.674978][ T74] addrconf_dad_begin+0x310/0x670 [ 1470.674978][ T74] addrconf_dad_work+0x10b/0xab0 [ 1470.674978][ T74] process_one_work+0x84d/0x18a0 [ 1470.674978][ T74] worker_thread+0x587/0xd30 [ 1470.674978][ T74] kthread+0x28a/0x350 [ 1470.674978][ T74] ret_from_fork+0x31/0x70 [ 1470.674978][ T74] ret_from_fork_asm+0x1a/0x30 [ 1470.674978][ T74] [ 1470.677131][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1470.677131][ T74] netdev_get_by_index+0x5e/0x80 [ 1470.677131][ T74] fib6_nh_init+0x3d8/0x1580 [ 1470.677131][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1470.677131][ T74] ip6_route_add+0x1c/0x140 [ 1470.677131][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1470.677131][ T74] inet6_addr_add+0x4f8/0xa40 [ 1470.677131][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1470.677131][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1470.677131][ T74] netlink_rcv_skb+0x130/0x360 [ 1470.677131][ T74] netlink_unicast+0x449/0x710 [ 1470.677131][ T74] netlink_sendmsg+0x723/0xbe0 [ 1470.677131][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1470.677131][ T74] ___sys_sendmsg+0xee/0x170 [ 1470.677131][ T74] __sys_sendmsg+0xcd/0x170 [ 1470.677131][ T74] do_syscall_64+0xc6/0x1e0 [ 1470.677131][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1470.677131][ T74] [ 1470.679436][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1470.679436][ T74] netdev_get_by_index+0x5e/0x80 [ 1470.679436][ T74] fib6_nh_init+0x3d8/0x1580 [ 1470.679436][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1470.679436][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1470.679436][ T74] ipv6_add_addr+0x411/0x2000 [ 1470.679436][ T74] inet6_addr_add+0x30e/0xa40 [ 1470.679436][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1470.679436][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1470.679436][ T74] netlink_rcv_skb+0x130/0x360 [ 1470.679436][ T74] netlink_unicast+0x449/0x710 [ 1470.679436][ T74] netlink_sendmsg+0x723/0xbe0 [ 1470.679436][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1470.679436][ T74] ___sys_sendmsg+0xee/0x170 [ 1470.679436][ T74] __sys_sendmsg+0xcd/0x170 [ 1470.679436][ T74] do_syscall_64+0xc6/0x1e0 [ 1470.679436][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1470.679436][ T74] [ 1470.681958][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1470.681958][ T74] netdev_get_by_index+0x5e/0x80 [ 1470.681958][ T74] fib6_nh_init+0x3d8/0x1580 [ 1470.681958][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1470.681958][ T74] ip6_route_add+0x1c/0x140 [ 1470.681958][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1470.681958][ T74] addrconf_add_dev+0xe2/0x170 [ 1470.681958][ T74] inet6_addr_add+0x12f/0xa40 [ 1470.681958][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1470.681958][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1470.681958][ T74] netlink_rcv_skb+0x130/0x360 [ 1470.681958][ T74] netlink_unicast+0x449/0x710 [ 1470.681958][ T74] netlink_sendmsg+0x723/0xbe0 [ 1470.681958][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1470.681958][ T74] ___sys_sendmsg+0xee/0x170 [ 1470.681958][ T74] __sys_sendmsg+0xcd/0x170 [ 1470.681958][ T74] do_syscall_64+0xc6/0x1e0 [ 1470.681958][ T74] [ 1470.684332][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1470.684332][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1470.684332][ T74] ipv6_find_idev+0x102/0x170 [ 1470.684332][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1470.684332][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1470.684332][ T74] netlink_rcv_skb+0x130/0x360 [ 1470.684332][ T74] netlink_unicast+0x449/0x710 [ 1470.684332][ T74] netlink_sendmsg+0x723/0xbe0 [ 1470.684332][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1470.684332][ T74] ___sys_sendmsg+0xee/0x170 [ 1470.684332][ T74] __sys_sendmsg+0xcd/0x170 [ 1470.684332][ T74] do_syscall_64+0xc6/0x1e0 [ 1470.684332][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1470.684332][ T74] [ 1470.686060][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1470.686060][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1470.686060][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1470.686060][ T74] ipv6_find_idev+0x102/0x170 [ 1470.686060][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1470.686060][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1470.686060][ T74] netlink_rcv_skb+0x130/0x360 [ 1470.686060][ T74] netlink_unicast+0x449/0x710 [ 1470.686060][ T74] netlink_sendmsg+0x723/0xbe0 [ 1470.686060][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1470.686060][ T74] ___sys_sendmsg+0xee/0x170 [ 1470.686060][ T74] __sys_sendmsg+0xcd/0x170 [ 1470.686060][ T74] do_syscall_64+0xc6/0x1e0 [ 1470.686060][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1470.686060][ T74] [ 1470.688123][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1470.688385][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1470.688385][ T74] netdev_get_by_index+0x5e/0x80 [ 1470.688385][ T74] fib6_nh_init+0x3d8/0x1580 [ 1470.688385][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1470.688385][ T74] ip6_route_add+0x1c/0x140 [ 1470.688385][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1470.688385][ T74] inet6_addr_add+0x4f8/0xa40 [ 1470.688385][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1470.688385][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1470.688385][ T74] netlink_rcv_skb+0x130/0x360 [ 1470.688385][ T74] netlink_unicast+0x449/0x710 [ 1470.688385][ T74] netlink_sendmsg+0x723/0xbe0 [ 1470.688385][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1470.688385][ T74] ___sys_sendmsg+0xee/0x170 [ 1470.688385][ T74] __sys_sendmsg+0xcd/0x170 [ 1470.688385][ T74] do_syscall_64+0xc6/0x1e0 [ 1470.688385][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1470.688385][ T74] [ 1470.690673][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1470.690673][ T74] netdev_get_by_index+0x5e/0x80 [ 1470.690673][ T74] fib6_nh_init+0x3d8/0x1580 [ 1470.690673][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1470.690673][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1470.690673][ T74] ipv6_add_addr+0x411/0x2000 [ 1470.690673][ T74] inet6_addr_add+0x30e/0xa40 [ 1470.690673][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1470.690673][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1470.690673][ T74] netlink_rcv_skb+0x130/0x360 [ 1470.690673][ T74] netlink_unicast+0x449/0x710 [ 1470.690673][ T74] netlink_sendmsg+0x723/0xbe0 [ 1470.690673][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1470.690673][ T74] ___sys_sendmsg+0xee/0x170 [ 1470.690673][ T74] __sys_sendmsg+0xcd/0x170 [ 1470.690673][ T74] do_syscall_64+0xc6/0x1e0 [ 1470.690673][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1470.690673][ T74] [ 1470.692898][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1470.692898][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1470.692898][ T74] ipv6_find_idev+0x102/0x170 [ 1470.692898][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1470.692898][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1470.692898][ T74] netlink_rcv_skb+0x130/0x360 [ 1470.692898][ T74] netlink_unicast+0x449/0x710 [ 1470.692898][ T74] netlink_sendmsg+0x723/0xbe0 [ 1470.692898][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1470.692898][ T74] ___sys_sendmsg+0xee/0x170 [ 1470.692898][ T74] __sys_sendmsg+0xcd/0x170 [ 1470.692898][ T74] do_syscall_64+0xc6/0x1e0 [ 1470.692898][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1470.692898][ T74] [ 1470.694700][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1470.694700][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1470.694700][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1470.694700][ T74] ipv6_find_idev+0x102/0x170 [ 1470.694700][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1470.694700][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1470.694700][ T74] netlink_rcv_skb+0x130/0x360 [ 1470.694700][ T74] netlink_unicast+0x449/0x710 [ 1470.694700][ T74] netlink_sendmsg+0x723/0xbe0 [ 1470.694700][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1470.694700][ T74] ___sys_sendmsg+0xee/0x170 [ 1470.694700][ T74] __sys_sendmsg+0xcd/0x170 [ 1470.694700][ T74] do_syscall_64+0xc6/0x1e0 [ 1470.694700][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1470.694700][ T74] [ 1480.831914][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1480.832256][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1480.832256][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1480.832256][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1480.832256][ T74] fib6_nh_init+0xa22/0x1580 [ 1480.832256][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1480.832256][ T74] ip6_route_add+0x1c/0x140 [ 1480.832256][ T74] inet6_rtm_newroute+0x104/0x110 [ 1480.832256][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1480.832256][ T74] netlink_rcv_skb+0x130/0x360 [ 1480.832256][ T74] netlink_unicast+0x449/0x710 [ 1480.832256][ T74] netlink_sendmsg+0x723/0xbe0 [ 1480.832256][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1480.832256][ T74] ___sys_sendmsg+0xee/0x170 [ 1480.832256][ T74] __sys_sendmsg+0xcd/0x170 [ 1480.832256][ T74] do_syscall_64+0xc6/0x1e0 [ 1480.832256][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1480.832256][ T74] [ 1480.834310][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1480.834310][ T74] netdev_get_by_index+0x5e/0x80 [ 1480.834310][ T74] fib6_nh_init+0x3d8/0x1580 [ 1480.834310][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1480.834310][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1480.834310][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1480.834310][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1480.834310][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1480.834310][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1480.834310][ T74] addrconf_dad_begin+0x310/0x670 [ 1480.834310][ T74] addrconf_dad_work+0x10b/0xab0 [ 1480.834310][ T74] process_one_work+0x84d/0x18a0 [ 1480.834310][ T74] worker_thread+0x587/0xd30 [ 1480.834310][ T74] kthread+0x28a/0x350 [ 1480.834310][ T74] ret_from_fork+0x31/0x70 [ 1480.834310][ T74] ret_from_fork_asm+0x1a/0x30 [ 1480.834310][ T74] [ 1480.836356][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1480.836356][ T74] netdev_get_by_index+0x5e/0x80 [ 1480.836356][ T74] fib6_nh_init+0x3d8/0x1580 [ 1480.836356][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1480.836356][ T74] ip6_route_add+0x1c/0x140 [ 1480.836356][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1480.836356][ T74] inet6_addr_add+0x4f8/0xa40 [ 1480.836356][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1480.836356][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1480.836356][ T74] netlink_rcv_skb+0x130/0x360 [ 1480.836356][ T74] netlink_unicast+0x449/0x710 [ 1480.836356][ T74] netlink_sendmsg+0x723/0xbe0 [ 1480.836356][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1480.836356][ T74] ___sys_sendmsg+0xee/0x170 [ 1480.836356][ T74] __sys_sendmsg+0xcd/0x170 [ 1480.836356][ T74] do_syscall_64+0xc6/0x1e0 [ 1480.836356][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1480.836356][ T74] [ 1480.838492][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1480.838492][ T74] netdev_get_by_index+0x5e/0x80 [ 1480.838492][ T74] fib6_nh_init+0x3d8/0x1580 [ 1480.838492][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1480.838492][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1480.838492][ T74] ipv6_add_addr+0x411/0x2000 [ 1480.838492][ T74] inet6_addr_add+0x30e/0xa40 [ 1480.838492][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1480.838492][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1480.838492][ T74] netlink_rcv_skb+0x130/0x360 [ 1480.838492][ T74] netlink_unicast+0x449/0x710 [ 1480.838492][ T74] netlink_sendmsg+0x723/0xbe0 [ 1480.838492][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1480.838492][ T74] ___sys_sendmsg+0xee/0x170 [ 1480.838492][ T74] __sys_sendmsg+0xcd/0x170 [ 1480.838492][ T74] do_syscall_64+0xc6/0x1e0 [ 1480.838492][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1480.838492][ T74] [ 1480.840613][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1480.840613][ T74] netdev_get_by_index+0x5e/0x80 [ 1480.840613][ T74] fib6_nh_init+0x3d8/0x1580 [ 1480.840613][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1480.840613][ T74] ip6_route_add+0x1c/0x140 [ 1480.840613][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1480.840613][ T74] addrconf_add_dev+0xe2/0x170 [ 1480.840613][ T74] inet6_addr_add+0x12f/0xa40 [ 1480.840613][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1480.840613][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1480.840613][ T74] netlink_rcv_skb+0x130/0x360 [ 1480.840613][ T74] netlink_unicast+0x449/0x710 [ 1480.840613][ T74] netlink_sendmsg+0x723/0xbe0 [ 1480.840613][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1480.840613][ T74] ___sys_sendmsg+0xee/0x170 [ 1480.840613][ T74] __sys_sendmsg+0xcd/0x170 [ 1480.840613][ T74] do_syscall_64+0xc6/0x1e0 [ 1480.840613][ T74] [ 1480.842694][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1480.842694][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1480.842694][ T74] ipv6_find_idev+0x102/0x170 [ 1480.842694][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1480.842694][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1480.842694][ T74] netlink_rcv_skb+0x130/0x360 [ 1480.842694][ T74] netlink_unicast+0x449/0x710 [ 1480.842694][ T74] netlink_sendmsg+0x723/0xbe0 [ 1480.842694][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1480.842694][ T74] ___sys_sendmsg+0xee/0x170 [ 1480.842694][ T74] __sys_sendmsg+0xcd/0x170 [ 1480.842694][ T74] do_syscall_64+0xc6/0x1e0 [ 1480.842694][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1480.842694][ T74] [ 1480.844470][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1480.844470][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1480.844470][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1480.844470][ T74] ipv6_find_idev+0x102/0x170 [ 1480.844470][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1480.844470][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1480.844470][ T74] netlink_rcv_skb+0x130/0x360 [ 1480.844470][ T74] netlink_unicast+0x449/0x710 [ 1480.844470][ T74] netlink_sendmsg+0x723/0xbe0 [ 1480.844470][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1480.844470][ T74] ___sys_sendmsg+0xee/0x170 [ 1480.844470][ T74] __sys_sendmsg+0xcd/0x170 [ 1480.844470][ T74] do_syscall_64+0xc6/0x1e0 [ 1480.844470][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1480.844470][ T74] [ 1480.846508][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1480.846873][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1480.846873][ T74] dst_init+0x84/0x4a0 [ 1480.846873][ T74] dst_alloc+0x97/0x150 [ 1480.846873][ T74] ip6_dst_alloc+0x23/0x90 [ 1480.846873][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1480.846873][ T74] ip6_pol_route+0x56f/0x840 [ 1480.846873][ T74] fib6_rule_lookup+0x456/0x630 [ 1480.846873][ T74] ip6_route_input+0x59c/0xa50 [ 1480.846873][ T74] ipv6_rcv+0x397/0x810 [ 1480.846873][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1480.846873][ T74] process_backlog+0x101/0x620 [ 1480.846873][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1480.846873][ T74] net_rx_action+0x495/0xbe0 [ 1480.846873][ T74] __do_softirq+0x1b5/0x7f6 [ 1480.846873][ T74] [ 1480.848754][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1480.848754][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1480.848754][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1480.848754][ T74] fib6_nh_init+0xa22/0x1580 [ 1480.848754][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1480.848754][ T74] ip6_route_add+0x1c/0x140 [ 1480.848754][ T74] inet6_rtm_newroute+0x104/0x110 [ 1480.848754][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1480.848754][ T74] netlink_rcv_skb+0x130/0x360 [ 1480.848754][ T74] netlink_unicast+0x449/0x710 [ 1480.848754][ T74] netlink_sendmsg+0x723/0xbe0 [ 1480.848754][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1480.848754][ T74] ___sys_sendmsg+0xee/0x170 [ 1480.848754][ T74] __sys_sendmsg+0xcd/0x170 [ 1480.848754][ T74] do_syscall_64+0xc6/0x1e0 [ 1480.848754][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1480.848754][ T74] [ 1480.850958][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1480.850958][ T74] netdev_get_by_index+0x5e/0x80 [ 1480.850958][ T74] fib6_nh_init+0x3d8/0x1580 [ 1480.850958][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1480.850958][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1480.850958][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1480.850958][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1480.850958][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1480.850958][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1480.850958][ T74] addrconf_dad_begin+0x310/0x670 [ 1480.850958][ T74] addrconf_dad_work+0x10b/0xab0 [ 1480.850958][ T74] process_one_work+0x84d/0x18a0 [ 1480.850958][ T74] worker_thread+0x587/0xd30 [ 1480.850958][ T74] kthread+0x28a/0x350 [ 1480.850958][ T74] ret_from_fork+0x31/0x70 [ 1480.850958][ T74] ret_from_fork_asm+0x1a/0x30 [ 1480.850958][ T74] [ 1480.853162][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1480.853162][ T74] netdev_get_by_index+0x5e/0x80 [ 1480.853162][ T74] fib6_nh_init+0x3d8/0x1580 [ 1480.853162][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1480.853162][ T74] ip6_route_add+0x1c/0x140 [ 1480.853162][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1480.853162][ T74] inet6_addr_add+0x4f8/0xa40 [ 1480.853162][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1480.853162][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1480.853162][ T74] netlink_rcv_skb+0x130/0x360 [ 1480.853162][ T74] netlink_unicast+0x449/0x710 [ 1480.853162][ T74] netlink_sendmsg+0x723/0xbe0 [ 1480.853162][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1480.853162][ T74] ___sys_sendmsg+0xee/0x170 [ 1480.853162][ T74] __sys_sendmsg+0xcd/0x170 [ 1480.853162][ T74] do_syscall_64+0xc6/0x1e0 [ 1480.853162][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1480.853162][ T74] [ 1480.855436][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1480.855436][ T74] netdev_get_by_index+0x5e/0x80 [ 1480.855436][ T74] fib6_nh_init+0x3d8/0x1580 [ 1480.855436][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1480.855436][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1480.855436][ T74] ipv6_add_addr+0x411/0x2000 [ 1480.855436][ T74] inet6_addr_add+0x30e/0xa40 [ 1480.855436][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1480.855436][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1480.855436][ T74] netlink_rcv_skb+0x130/0x360 [ 1480.855436][ T74] netlink_unicast+0x449/0x710 [ 1480.855436][ T74] netlink_sendmsg+0x723/0xbe0 [ 1480.855436][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1480.855436][ T74] ___sys_sendmsg+0xee/0x170 [ 1480.855436][ T74] __sys_sendmsg+0xcd/0x170 [ 1480.855436][ T74] do_syscall_64+0xc6/0x1e0 [ 1480.855436][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1480.855436][ T74] [ 1480.857744][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1480.857744][ T74] netdev_get_by_index+0x5e/0x80 [ 1480.857744][ T74] fib6_nh_init+0x3d8/0x1580 [ 1480.857744][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1480.857744][ T74] ip6_route_add+0x1c/0x140 [ 1480.857744][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1480.857744][ T74] addrconf_add_dev+0xe2/0x170 [ 1480.857744][ T74] inet6_addr_add+0x12f/0xa40 [ 1480.857744][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1480.857744][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1480.857744][ T74] netlink_rcv_skb+0x130/0x360 [ 1480.857744][ T74] netlink_unicast+0x449/0x710 [ 1480.857744][ T74] netlink_sendmsg+0x723/0xbe0 [ 1480.857744][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1480.857744][ T74] ___sys_sendmsg+0xee/0x170 [ 1480.857744][ T74] __sys_sendmsg+0xcd/0x170 [ 1480.857744][ T74] do_syscall_64+0xc6/0x1e0 [ 1480.857744][ T74] [ 1480.860002][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1480.860002][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1480.860002][ T74] ipv6_find_idev+0x102/0x170 [ 1480.860002][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1480.860002][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1480.860002][ T74] netlink_rcv_skb+0x130/0x360 [ 1480.860002][ T74] netlink_unicast+0x449/0x710 [ 1480.860002][ T74] netlink_sendmsg+0x723/0xbe0 [ 1480.860002][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1480.860002][ T74] ___sys_sendmsg+0xee/0x170 [ 1480.860002][ T74] __sys_sendmsg+0xcd/0x170 [ 1480.860002][ T74] do_syscall_64+0xc6/0x1e0 [ 1480.860002][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1480.860002][ T74] [ 1480.861794][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1480.861794][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1480.861794][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1480.861794][ T74] ipv6_find_idev+0x102/0x170 [ 1480.861794][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1480.861794][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1480.861794][ T74] netlink_rcv_skb+0x130/0x360 [ 1480.861794][ T74] netlink_unicast+0x449/0x710 [ 1480.861794][ T74] netlink_sendmsg+0x723/0xbe0 [ 1480.861794][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1480.861794][ T74] ___sys_sendmsg+0xee/0x170 [ 1480.861794][ T74] __sys_sendmsg+0xcd/0x170 [ 1480.861794][ T74] do_syscall_64+0xc6/0x1e0 [ 1480.861794][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1480.861794][ T74] [ 1480.863866][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1480.864118][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1480.864118][ T74] netdev_get_by_index+0x5e/0x80 [ 1480.864118][ T74] fib6_nh_init+0x3d8/0x1580 [ 1480.864118][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1480.864118][ T74] ip6_route_add+0x1c/0x140 [ 1480.864118][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1480.864118][ T74] inet6_addr_add+0x4f8/0xa40 [ 1480.864118][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1480.864118][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1480.864118][ T74] netlink_rcv_skb+0x130/0x360 [ 1480.864118][ T74] netlink_unicast+0x449/0x710 [ 1480.864118][ T74] netlink_sendmsg+0x723/0xbe0 [ 1480.864118][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1480.864118][ T74] ___sys_sendmsg+0xee/0x170 [ 1480.864118][ T74] __sys_sendmsg+0xcd/0x170 [ 1480.864118][ T74] do_syscall_64+0xc6/0x1e0 [ 1480.864118][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1480.864118][ T74] [ 1480.866354][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1480.866354][ T74] netdev_get_by_index+0x5e/0x80 [ 1480.866354][ T74] fib6_nh_init+0x3d8/0x1580 [ 1480.866354][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1480.866354][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1480.866354][ T74] ipv6_add_addr+0x411/0x2000 [ 1480.866354][ T74] inet6_addr_add+0x30e/0xa40 [ 1480.866354][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1480.866354][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1480.866354][ T74] netlink_rcv_skb+0x130/0x360 [ 1480.866354][ T74] netlink_unicast+0x449/0x710 [ 1480.866354][ T74] netlink_sendmsg+0x723/0xbe0 [ 1480.866354][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1480.866354][ T74] ___sys_sendmsg+0xee/0x170 [ 1480.866354][ T74] __sys_sendmsg+0xcd/0x170 [ 1480.866354][ T74] do_syscall_64+0xc6/0x1e0 [ 1480.866354][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1480.866354][ T74] [ 1480.868544][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1480.868544][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1480.868544][ T74] ipv6_find_idev+0x102/0x170 [ 1480.868544][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1480.868544][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1480.868544][ T74] netlink_rcv_skb+0x130/0x360 [ 1480.868544][ T74] netlink_unicast+0x449/0x710 [ 1480.868544][ T74] netlink_sendmsg+0x723/0xbe0 [ 1480.868544][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1480.868544][ T74] ___sys_sendmsg+0xee/0x170 [ 1480.868544][ T74] __sys_sendmsg+0xcd/0x170 [ 1480.868544][ T74] do_syscall_64+0xc6/0x1e0 [ 1480.868544][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1480.868544][ T74] [ 1480.870383][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1480.870383][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1480.870383][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1480.870383][ T74] ipv6_find_idev+0x102/0x170 [ 1480.870383][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1480.870383][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1480.870383][ T74] netlink_rcv_skb+0x130/0x360 [ 1480.870383][ T74] netlink_unicast+0x449/0x710 [ 1480.870383][ T74] netlink_sendmsg+0x723/0xbe0 [ 1480.870383][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1480.870383][ T74] ___sys_sendmsg+0xee/0x170 [ 1480.870383][ T74] __sys_sendmsg+0xcd/0x170 [ 1480.870383][ T74] do_syscall_64+0xc6/0x1e0 [ 1480.870383][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1480.870383][ T74] [ 1485.563467][ T7443] veth0: renamed from veth1 [ 1489.495580][ T7469] br0: port 1(vx0) entered blocking state [ 1489.495883][ T7469] br0: port 1(vx0) entered disabled state [ 1489.496094][ T7469] vx0: entered allmulticast mode [ 1489.497354][ T7469] vx0: entered promiscuous mode [ 1489.499296][ T7469] br0: port 1(vx0) entered blocking state [ 1489.499525][ T7469] br0: port 1(vx0) entered forwarding state [ 1491.000868][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1491.001209][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1491.001209][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1491.001209][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1491.001209][ T74] fib6_nh_init+0xa22/0x1580 [ 1491.001209][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1491.001209][ T74] ip6_route_add+0x1c/0x140 [ 1491.001209][ T74] inet6_rtm_newroute+0x104/0x110 [ 1491.001209][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1491.001209][ T74] netlink_rcv_skb+0x130/0x360 [ 1491.001209][ T74] netlink_unicast+0x449/0x710 [ 1491.001209][ T74] netlink_sendmsg+0x723/0xbe0 [ 1491.001209][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1491.001209][ T74] ___sys_sendmsg+0xee/0x170 [ 1491.001209][ T74] __sys_sendmsg+0xcd/0x170 [ 1491.001209][ T74] do_syscall_64+0xc6/0x1e0 [ 1491.001209][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1491.001209][ T74] [ 1491.003427][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1491.003427][ T74] netdev_get_by_index+0x5e/0x80 [ 1491.003427][ T74] fib6_nh_init+0x3d8/0x1580 [ 1491.003427][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1491.003427][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1491.003427][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1491.003427][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1491.003427][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1491.003427][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1491.003427][ T74] addrconf_dad_begin+0x310/0x670 [ 1491.003427][ T74] addrconf_dad_work+0x10b/0xab0 [ 1491.003427][ T74] process_one_work+0x84d/0x18a0 [ 1491.003427][ T74] worker_thread+0x587/0xd30 [ 1491.003427][ T74] kthread+0x28a/0x350 [ 1491.003427][ T74] ret_from_fork+0x31/0x70 [ 1491.003427][ T74] ret_from_fork_asm+0x1a/0x30 [ 1491.003427][ T74] [ 1491.005618][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1491.005618][ T74] netdev_get_by_index+0x5e/0x80 [ 1491.005618][ T74] fib6_nh_init+0x3d8/0x1580 [ 1491.005618][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1491.005618][ T74] ip6_route_add+0x1c/0x140 [ 1491.005618][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1491.005618][ T74] inet6_addr_add+0x4f8/0xa40 [ 1491.005618][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1491.005618][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1491.005618][ T74] netlink_rcv_skb+0x130/0x360 [ 1491.005618][ T74] netlink_unicast+0x449/0x710 [ 1491.005618][ T74] netlink_sendmsg+0x723/0xbe0 [ 1491.005618][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1491.005618][ T74] ___sys_sendmsg+0xee/0x170 [ 1491.005618][ T74] __sys_sendmsg+0xcd/0x170 [ 1491.005618][ T74] do_syscall_64+0xc6/0x1e0 [ 1491.005618][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1491.005618][ T74] [ 1491.007907][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1491.007907][ T74] netdev_get_by_index+0x5e/0x80 [ 1491.007907][ T74] fib6_nh_init+0x3d8/0x1580 [ 1491.007907][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1491.007907][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1491.007907][ T74] ipv6_add_addr+0x411/0x2000 [ 1491.007907][ T74] inet6_addr_add+0x30e/0xa40 [ 1491.007907][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1491.007907][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1491.007907][ T74] netlink_rcv_skb+0x130/0x360 [ 1491.007907][ T74] netlink_unicast+0x449/0x710 [ 1491.007907][ T74] netlink_sendmsg+0x723/0xbe0 [ 1491.007907][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1491.007907][ T74] ___sys_sendmsg+0xee/0x170 [ 1491.007907][ T74] __sys_sendmsg+0xcd/0x170 [ 1491.007907][ T74] do_syscall_64+0xc6/0x1e0 [ 1491.007907][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1491.007907][ T74] [ 1491.010180][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1491.010180][ T74] netdev_get_by_index+0x5e/0x80 [ 1491.010180][ T74] fib6_nh_init+0x3d8/0x1580 [ 1491.010180][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1491.010180][ T74] ip6_route_add+0x1c/0x140 [ 1491.010180][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1491.010180][ T74] addrconf_add_dev+0xe2/0x170 [ 1491.010180][ T74] inet6_addr_add+0x12f/0xa40 [ 1491.010180][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1491.010180][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1491.010180][ T74] netlink_rcv_skb+0x130/0x360 [ 1491.010180][ T74] netlink_unicast+0x449/0x710 [ 1491.010180][ T74] netlink_sendmsg+0x723/0xbe0 [ 1491.010180][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1491.010180][ T74] ___sys_sendmsg+0xee/0x170 [ 1491.010180][ T74] __sys_sendmsg+0xcd/0x170 [ 1491.010180][ T74] do_syscall_64+0xc6/0x1e0 [ 1491.010180][ T74] [ 1491.012402][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1491.012402][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1491.012402][ T74] ipv6_find_idev+0x102/0x170 [ 1491.012402][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1491.012402][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1491.012402][ T74] netlink_rcv_skb+0x130/0x360 [ 1491.012402][ T74] netlink_unicast+0x449/0x710 [ 1491.012402][ T74] netlink_sendmsg+0x723/0xbe0 [ 1491.012402][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1491.012402][ T74] ___sys_sendmsg+0xee/0x170 [ 1491.012402][ T74] __sys_sendmsg+0xcd/0x170 [ 1491.012402][ T74] do_syscall_64+0xc6/0x1e0 [ 1491.012402][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1491.012402][ T74] [ 1491.014142][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1491.014142][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1491.014142][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1491.014142][ T74] ipv6_find_idev+0x102/0x170 [ 1491.014142][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1491.014142][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1491.014142][ T74] netlink_rcv_skb+0x130/0x360 [ 1491.014142][ T74] netlink_unicast+0x449/0x710 [ 1491.014142][ T74] netlink_sendmsg+0x723/0xbe0 [ 1491.014142][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1491.014142][ T74] ___sys_sendmsg+0xee/0x170 [ 1491.014142][ T74] __sys_sendmsg+0xcd/0x170 [ 1491.014142][ T74] do_syscall_64+0xc6/0x1e0 [ 1491.014142][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1491.014142][ T74] [ 1491.016068][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1491.016385][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1491.016385][ T74] dst_init+0x84/0x4a0 [ 1491.016385][ T74] dst_alloc+0x97/0x150 [ 1491.016385][ T74] ip6_dst_alloc+0x23/0x90 [ 1491.016385][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1491.016385][ T74] ip6_pol_route+0x56f/0x840 [ 1491.016385][ T74] fib6_rule_lookup+0x456/0x630 [ 1491.016385][ T74] ip6_route_input+0x59c/0xa50 [ 1491.016385][ T74] ipv6_rcv+0x397/0x810 [ 1491.016385][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1491.016385][ T74] process_backlog+0x101/0x620 [ 1491.016385][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1491.016385][ T74] net_rx_action+0x495/0xbe0 [ 1491.016385][ T74] __do_softirq+0x1b5/0x7f6 [ 1491.016385][ T74] [ 1491.018259][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1491.018259][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1491.018259][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1491.018259][ T74] fib6_nh_init+0xa22/0x1580 [ 1491.018259][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1491.018259][ T74] ip6_route_add+0x1c/0x140 [ 1491.018259][ T74] inet6_rtm_newroute+0x104/0x110 [ 1491.018259][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1491.018259][ T74] netlink_rcv_skb+0x130/0x360 [ 1491.018259][ T74] netlink_unicast+0x449/0x710 [ 1491.018259][ T74] netlink_sendmsg+0x723/0xbe0 [ 1491.018259][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1491.018259][ T74] ___sys_sendmsg+0xee/0x170 [ 1491.018259][ T74] __sys_sendmsg+0xcd/0x170 [ 1491.018259][ T74] do_syscall_64+0xc6/0x1e0 [ 1491.018259][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1491.018259][ T74] [ 1491.020387][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1491.020387][ T74] netdev_get_by_index+0x5e/0x80 [ 1491.020387][ T74] fib6_nh_init+0x3d8/0x1580 [ 1491.020387][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1491.020387][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1491.020387][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1491.020387][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1491.020387][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1491.020387][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1491.020387][ T74] addrconf_dad_begin+0x310/0x670 [ 1491.020387][ T74] addrconf_dad_work+0x10b/0xab0 [ 1491.020387][ T74] process_one_work+0x84d/0x18a0 [ 1491.020387][ T74] worker_thread+0x587/0xd30 [ 1491.020387][ T74] kthread+0x28a/0x350 [ 1491.020387][ T74] ret_from_fork+0x31/0x70 [ 1491.020387][ T74] ret_from_fork_asm+0x1a/0x30 [ 1491.020387][ T74] [ 1491.022764][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1491.022764][ T74] netdev_get_by_index+0x5e/0x80 [ 1491.022764][ T74] fib6_nh_init+0x3d8/0x1580 [ 1491.022764][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1491.022764][ T74] ip6_route_add+0x1c/0x140 [ 1491.022764][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1491.022764][ T74] inet6_addr_add+0x4f8/0xa40 [ 1491.022764][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1491.022764][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1491.022764][ T74] netlink_rcv_skb+0x130/0x360 [ 1491.022764][ T74] netlink_unicast+0x449/0x710 [ 1491.022764][ T74] netlink_sendmsg+0x723/0xbe0 [ 1491.022764][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1491.022764][ T74] ___sys_sendmsg+0xee/0x170 [ 1491.022764][ T74] __sys_sendmsg+0xcd/0x170 [ 1491.022764][ T74] do_syscall_64+0xc6/0x1e0 [ 1491.022764][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1491.022764][ T74] [ 1491.025267][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1491.025267][ T74] netdev_get_by_index+0x5e/0x80 [ 1491.025267][ T74] fib6_nh_init+0x3d8/0x1580 [ 1491.025267][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1491.025267][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1491.025267][ T74] ipv6_add_addr+0x411/0x2000 [ 1491.025267][ T74] inet6_addr_add+0x30e/0xa40 [ 1491.025267][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1491.025267][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1491.025267][ T74] netlink_rcv_skb+0x130/0x360 [ 1491.025267][ T74] netlink_unicast+0x449/0x710 [ 1491.025267][ T74] netlink_sendmsg+0x723/0xbe0 [ 1491.025267][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1491.025267][ T74] ___sys_sendmsg+0xee/0x170 [ 1491.025267][ T74] __sys_sendmsg+0xcd/0x170 [ 1491.025267][ T74] do_syscall_64+0xc6/0x1e0 [ 1491.025267][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1491.025267][ T74] [ 1491.027804][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1491.027804][ T74] netdev_get_by_index+0x5e/0x80 [ 1491.027804][ T74] fib6_nh_init+0x3d8/0x1580 [ 1491.027804][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1491.027804][ T74] ip6_route_add+0x1c/0x140 [ 1491.027804][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1491.027804][ T74] addrconf_add_dev+0xe2/0x170 [ 1491.027804][ T74] inet6_addr_add+0x12f/0xa40 [ 1491.027804][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1491.027804][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1491.027804][ T74] netlink_rcv_skb+0x130/0x360 [ 1491.027804][ T74] netlink_unicast+0x449/0x710 [ 1491.027804][ T74] netlink_sendmsg+0x723/0xbe0 [ 1491.027804][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1491.027804][ T74] ___sys_sendmsg+0xee/0x170 [ 1491.027804][ T74] __sys_sendmsg+0xcd/0x170 [ 1491.027804][ T74] do_syscall_64+0xc6/0x1e0 [ 1491.027804][ T74] [ 1491.030212][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1491.030212][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1491.030212][ T74] ipv6_find_idev+0x102/0x170 [ 1491.030212][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1491.030212][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1491.030212][ T74] netlink_rcv_skb+0x130/0x360 [ 1491.030212][ T74] netlink_unicast+0x449/0x710 [ 1491.030212][ T74] netlink_sendmsg+0x723/0xbe0 [ 1491.030212][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1491.030212][ T74] ___sys_sendmsg+0xee/0x170 [ 1491.030212][ T74] __sys_sendmsg+0xcd/0x170 [ 1491.030212][ T74] do_syscall_64+0xc6/0x1e0 [ 1491.030212][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1491.030212][ T74] [ 1491.032151][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1491.032151][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1491.032151][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1491.032151][ T74] ipv6_find_idev+0x102/0x170 [ 1491.032151][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1491.032151][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1491.032151][ T74] netlink_rcv_skb+0x130/0x360 [ 1491.032151][ T74] netlink_unicast+0x449/0x710 [ 1491.032151][ T74] netlink_sendmsg+0x723/0xbe0 [ 1491.032151][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1491.032151][ T74] ___sys_sendmsg+0xee/0x170 [ 1491.032151][ T74] __sys_sendmsg+0xcd/0x170 [ 1491.032151][ T74] do_syscall_64+0xc6/0x1e0 [ 1491.032151][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1491.032151][ T74] [ 1491.034317][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1491.034586][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1491.034586][ T74] netdev_get_by_index+0x5e/0x80 [ 1491.034586][ T74] fib6_nh_init+0x3d8/0x1580 [ 1491.034586][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1491.034586][ T74] ip6_route_add+0x1c/0x140 [ 1491.034586][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1491.034586][ T74] inet6_addr_add+0x4f8/0xa40 [ 1491.034586][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1491.034586][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1491.034586][ T74] netlink_rcv_skb+0x130/0x360 [ 1491.034586][ T74] netlink_unicast+0x449/0x710 [ 1491.034586][ T74] netlink_sendmsg+0x723/0xbe0 [ 1491.034586][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1491.034586][ T74] ___sys_sendmsg+0xee/0x170 [ 1491.034586][ T74] __sys_sendmsg+0xcd/0x170 [ 1491.034586][ T74] do_syscall_64+0xc6/0x1e0 [ 1491.034586][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1491.034586][ T74] [ 1491.037144][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1491.037144][ T74] netdev_get_by_index+0x5e/0x80 [ 1491.037144][ T74] fib6_nh_init+0x3d8/0x1580 [ 1491.037144][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1491.037144][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1491.037144][ T74] ipv6_add_addr+0x411/0x2000 [ 1491.037144][ T74] inet6_addr_add+0x30e/0xa40 [ 1491.037144][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1491.037144][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1491.037144][ T74] netlink_rcv_skb+0x130/0x360 [ 1491.037144][ T74] netlink_unicast+0x449/0x710 [ 1491.037144][ T74] netlink_sendmsg+0x723/0xbe0 [ 1491.037144][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1491.037144][ T74] ___sys_sendmsg+0xee/0x170 [ 1491.037144][ T74] __sys_sendmsg+0xcd/0x170 [ 1491.037144][ T74] do_syscall_64+0xc6/0x1e0 [ 1491.037144][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1491.037144][ T74] [ 1491.039548][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1491.039548][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1491.039548][ T74] ipv6_find_idev+0x102/0x170 [ 1491.039548][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1491.039548][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1491.039548][ T74] netlink_rcv_skb+0x130/0x360 [ 1491.039548][ T74] netlink_unicast+0x449/0x710 [ 1491.039548][ T74] netlink_sendmsg+0x723/0xbe0 [ 1491.039548][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1491.039548][ T74] ___sys_sendmsg+0xee/0x170 [ 1491.039548][ T74] __sys_sendmsg+0xcd/0x170 [ 1491.039548][ T74] do_syscall_64+0xc6/0x1e0 [ 1491.039548][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1491.039548][ T74] [ 1491.041486][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1491.041486][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1491.041486][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1491.041486][ T74] ipv6_find_idev+0x102/0x170 [ 1491.041486][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1491.041486][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1491.041486][ T74] netlink_rcv_skb+0x130/0x360 [ 1491.041486][ T74] netlink_unicast+0x449/0x710 [ 1491.041486][ T74] netlink_sendmsg+0x723/0xbe0 [ 1491.041486][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1491.041486][ T74] ___sys_sendmsg+0xee/0x170 [ 1491.041486][ T74] __sys_sendmsg+0xcd/0x170 [ 1491.041486][ T74] do_syscall_64+0xc6/0x1e0 [ 1491.041486][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1491.041486][ T74] [ 1495.017572][ T7499] br0: port 1(vx0) entered blocking state [ 1495.017836][ T7499] br0: port 1(vx0) entered disabled state [ 1495.018040][ T7499] vx0: entered allmulticast mode [ 1495.019247][ T7499] vx0: entered promiscuous mode [ 1495.021136][ T7499] br0: port 1(vx0) entered blocking state [ 1495.021319][ T7499] br0: port 1(vx0) entered forwarding state [ 1499.137366][ T7530] veth0: renamed from veth1 [ 1501.151973][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1501.152339][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1501.152339][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1501.152339][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1501.152339][ T74] fib6_nh_init+0xa22/0x1580 [ 1501.152339][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1501.152339][ T74] ip6_route_add+0x1c/0x140 [ 1501.152339][ T74] inet6_rtm_newroute+0x104/0x110 [ 1501.152339][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1501.152339][ T74] netlink_rcv_skb+0x130/0x360 [ 1501.152339][ T74] netlink_unicast+0x449/0x710 [ 1501.152339][ T74] netlink_sendmsg+0x723/0xbe0 [ 1501.152339][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1501.152339][ T74] ___sys_sendmsg+0xee/0x170 [ 1501.152339][ T74] __sys_sendmsg+0xcd/0x170 [ 1501.152339][ T74] do_syscall_64+0xc6/0x1e0 [ 1501.152339][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1501.152339][ T74] [ 1501.154578][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1501.154578][ T74] netdev_get_by_index+0x5e/0x80 [ 1501.154578][ T74] fib6_nh_init+0x3d8/0x1580 [ 1501.154578][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1501.154578][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1501.154578][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1501.154578][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1501.154578][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1501.154578][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1501.154578][ T74] addrconf_dad_begin+0x310/0x670 [ 1501.154578][ T74] addrconf_dad_work+0x10b/0xab0 [ 1501.154578][ T74] process_one_work+0x84d/0x18a0 [ 1501.154578][ T74] worker_thread+0x587/0xd30 [ 1501.154578][ T74] kthread+0x28a/0x350 [ 1501.154578][ T74] ret_from_fork+0x31/0x70 [ 1501.154578][ T74] ret_from_fork_asm+0x1a/0x30 [ 1501.154578][ T74] [ 1501.156789][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1501.156789][ T74] netdev_get_by_index+0x5e/0x80 [ 1501.156789][ T74] fib6_nh_init+0x3d8/0x1580 [ 1501.156789][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1501.156789][ T74] ip6_route_add+0x1c/0x140 [ 1501.156789][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1501.156789][ T74] inet6_addr_add+0x4f8/0xa40 [ 1501.156789][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1501.156789][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1501.156789][ T74] netlink_rcv_skb+0x130/0x360 [ 1501.156789][ T74] netlink_unicast+0x449/0x710 [ 1501.156789][ T74] netlink_sendmsg+0x723/0xbe0 [ 1501.156789][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1501.156789][ T74] ___sys_sendmsg+0xee/0x170 [ 1501.156789][ T74] __sys_sendmsg+0xcd/0x170 [ 1501.156789][ T74] do_syscall_64+0xc6/0x1e0 [ 1501.156789][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1501.156789][ T74] [ 1501.159086][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1501.159086][ T74] netdev_get_by_index+0x5e/0x80 [ 1501.159086][ T74] fib6_nh_init+0x3d8/0x1580 [ 1501.159086][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1501.159086][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1501.159086][ T74] ipv6_add_addr+0x411/0x2000 [ 1501.159086][ T74] inet6_addr_add+0x30e/0xa40 [ 1501.159086][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1501.159086][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1501.159086][ T74] netlink_rcv_skb+0x130/0x360 [ 1501.159086][ T74] netlink_unicast+0x449/0x710 [ 1501.159086][ T74] netlink_sendmsg+0x723/0xbe0 [ 1501.159086][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1501.159086][ T74] ___sys_sendmsg+0xee/0x170 [ 1501.159086][ T74] __sys_sendmsg+0xcd/0x170 [ 1501.159086][ T74] do_syscall_64+0xc6/0x1e0 [ 1501.159086][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1501.159086][ T74] [ 1501.161423][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1501.161423][ T74] netdev_get_by_index+0x5e/0x80 [ 1501.161423][ T74] fib6_nh_init+0x3d8/0x1580 [ 1501.161423][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1501.161423][ T74] ip6_route_add+0x1c/0x140 [ 1501.161423][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1501.161423][ T74] addrconf_add_dev+0xe2/0x170 [ 1501.161423][ T74] inet6_addr_add+0x12f/0xa40 [ 1501.161423][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1501.161423][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1501.161423][ T74] netlink_rcv_skb+0x130/0x360 [ 1501.161423][ T74] netlink_unicast+0x449/0x710 [ 1501.161423][ T74] netlink_sendmsg+0x723/0xbe0 [ 1501.161423][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1501.161423][ T74] ___sys_sendmsg+0xee/0x170 [ 1501.161423][ T74] __sys_sendmsg+0xcd/0x170 [ 1501.161423][ T74] do_syscall_64+0xc6/0x1e0 [ 1501.161423][ T74] [ 1501.163718][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1501.163718][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1501.163718][ T74] ipv6_find_idev+0x102/0x170 [ 1501.163718][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1501.163718][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1501.163718][ T74] netlink_rcv_skb+0x130/0x360 [ 1501.163718][ T74] netlink_unicast+0x449/0x710 [ 1501.163718][ T74] netlink_sendmsg+0x723/0xbe0 [ 1501.163718][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1501.163718][ T74] ___sys_sendmsg+0xee/0x170 [ 1501.163718][ T74] __sys_sendmsg+0xcd/0x170 [ 1501.163718][ T74] do_syscall_64+0xc6/0x1e0 [ 1501.163718][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1501.163718][ T74] [ 1501.165523][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1501.165523][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1501.165523][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1501.165523][ T74] ipv6_find_idev+0x102/0x170 [ 1501.165523][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1501.165523][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1501.165523][ T74] netlink_rcv_skb+0x130/0x360 [ 1501.165523][ T74] netlink_unicast+0x449/0x710 [ 1501.165523][ T74] netlink_sendmsg+0x723/0xbe0 [ 1501.165523][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1501.165523][ T74] ___sys_sendmsg+0xee/0x170 [ 1501.165523][ T74] __sys_sendmsg+0xcd/0x170 [ 1501.165523][ T74] do_syscall_64+0xc6/0x1e0 [ 1501.165523][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1501.165523][ T74] [ 1501.167537][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1501.167953][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1501.167953][ T74] dst_init+0x84/0x4a0 [ 1501.167953][ T74] dst_alloc+0x97/0x150 [ 1501.167953][ T74] ip6_dst_alloc+0x23/0x90 [ 1501.167953][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1501.167953][ T74] ip6_pol_route+0x56f/0x840 [ 1501.167953][ T74] fib6_rule_lookup+0x456/0x630 [ 1501.167953][ T74] ip6_route_input+0x59c/0xa50 [ 1501.167953][ T74] ipv6_rcv+0x397/0x810 [ 1501.167953][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1501.167953][ T74] process_backlog+0x101/0x620 [ 1501.167953][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1501.167953][ T74] net_rx_action+0x495/0xbe0 [ 1501.167953][ T74] __do_softirq+0x1b5/0x7f6 [ 1501.167953][ T74] [ 1501.169992][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1501.169992][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1501.169992][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1501.169992][ T74] fib6_nh_init+0xa22/0x1580 [ 1501.169992][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1501.169992][ T74] ip6_route_add+0x1c/0x140 [ 1501.169992][ T74] inet6_rtm_newroute+0x104/0x110 [ 1501.169992][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1501.169992][ T74] netlink_rcv_skb+0x130/0x360 [ 1501.169992][ T74] netlink_unicast+0x449/0x710 [ 1501.169992][ T74] netlink_sendmsg+0x723/0xbe0 [ 1501.169992][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1501.169992][ T74] ___sys_sendmsg+0xee/0x170 [ 1501.169992][ T74] __sys_sendmsg+0xcd/0x170 [ 1501.169992][ T74] do_syscall_64+0xc6/0x1e0 [ 1501.169992][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1501.169992][ T74] [ 1501.172330][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1501.172330][ T74] netdev_get_by_index+0x5e/0x80 [ 1501.172330][ T74] fib6_nh_init+0x3d8/0x1580 [ 1501.172330][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1501.172330][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1501.172330][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1501.172330][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1501.172330][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1501.172330][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1501.172330][ T74] addrconf_dad_begin+0x310/0x670 [ 1501.172330][ T74] addrconf_dad_work+0x10b/0xab0 [ 1501.172330][ T74] process_one_work+0x84d/0x18a0 [ 1501.172330][ T74] worker_thread+0x587/0xd30 [ 1501.172330][ T74] kthread+0x28a/0x350 [ 1501.172330][ T74] ret_from_fork+0x31/0x70 [ 1501.172330][ T74] ret_from_fork_asm+0x1a/0x30 [ 1501.172330][ T74] [ 1501.174918][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1501.174918][ T74] netdev_get_by_index+0x5e/0x80 [ 1501.174918][ T74] fib6_nh_init+0x3d8/0x1580 [ 1501.174918][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1501.174918][ T74] ip6_route_add+0x1c/0x140 [ 1501.174918][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1501.174918][ T74] inet6_addr_add+0x4f8/0xa40 [ 1501.174918][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1501.174918][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1501.174918][ T74] netlink_rcv_skb+0x130/0x360 [ 1501.174918][ T74] netlink_unicast+0x449/0x710 [ 1501.174918][ T74] netlink_sendmsg+0x723/0xbe0 [ 1501.174918][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1501.174918][ T74] ___sys_sendmsg+0xee/0x170 [ 1501.174918][ T74] __sys_sendmsg+0xcd/0x170 [ 1501.174918][ T74] do_syscall_64+0xc6/0x1e0 [ 1501.174918][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1501.174918][ T74] [ 1501.177511][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1501.177511][ T74] netdev_get_by_index+0x5e/0x80 [ 1501.177511][ T74] fib6_nh_init+0x3d8/0x1580 [ 1501.177511][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1501.177511][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1501.177511][ T74] ipv6_add_addr+0x411/0x2000 [ 1501.177511][ T74] inet6_addr_add+0x30e/0xa40 [ 1501.177511][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1501.177511][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1501.177511][ T74] netlink_rcv_skb+0x130/0x360 [ 1501.177511][ T74] netlink_unicast+0x449/0x710 [ 1501.177511][ T74] netlink_sendmsg+0x723/0xbe0 [ 1501.177511][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1501.177511][ T74] ___sys_sendmsg+0xee/0x170 [ 1501.177511][ T74] __sys_sendmsg+0xcd/0x170 [ 1501.177511][ T74] do_syscall_64+0xc6/0x1e0 [ 1501.177511][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1501.177511][ T74] [ 1501.180145][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1501.180145][ T74] netdev_get_by_index+0x5e/0x80 [ 1501.180145][ T74] fib6_nh_init+0x3d8/0x1580 [ 1501.180145][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1501.180145][ T74] ip6_route_add+0x1c/0x140 [ 1501.180145][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1501.180145][ T74] addrconf_add_dev+0xe2/0x170 [ 1501.180145][ T74] inet6_addr_add+0x12f/0xa40 [ 1501.180145][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1501.180145][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1501.180145][ T74] netlink_rcv_skb+0x130/0x360 [ 1501.180145][ T74] netlink_unicast+0x449/0x710 [ 1501.180145][ T74] netlink_sendmsg+0x723/0xbe0 [ 1501.180145][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1501.180145][ T74] ___sys_sendmsg+0xee/0x170 [ 1501.180145][ T74] __sys_sendmsg+0xcd/0x170 [ 1501.180145][ T74] do_syscall_64+0xc6/0x1e0 [ 1501.180145][ T74] [ 1501.182669][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1501.182669][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1501.182669][ T74] ipv6_find_idev+0x102/0x170 [ 1501.182669][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1501.182669][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1501.182669][ T74] netlink_rcv_skb+0x130/0x360 [ 1501.182669][ T74] netlink_unicast+0x449/0x710 [ 1501.182669][ T74] netlink_sendmsg+0x723/0xbe0 [ 1501.182669][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1501.182669][ T74] ___sys_sendmsg+0xee/0x170 [ 1501.182669][ T74] __sys_sendmsg+0xcd/0x170 [ 1501.182669][ T74] do_syscall_64+0xc6/0x1e0 [ 1501.182669][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1501.182669][ T74] [ 1501.184680][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1501.184680][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1501.184680][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1501.184680][ T74] ipv6_find_idev+0x102/0x170 [ 1501.184680][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1501.184680][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1501.184680][ T74] netlink_rcv_skb+0x130/0x360 [ 1501.184680][ T74] netlink_unicast+0x449/0x710 [ 1501.184680][ T74] netlink_sendmsg+0x723/0xbe0 [ 1501.184680][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1501.184680][ T74] ___sys_sendmsg+0xee/0x170 [ 1501.184680][ T74] __sys_sendmsg+0xcd/0x170 [ 1501.184680][ T74] do_syscall_64+0xc6/0x1e0 [ 1501.184680][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1501.184680][ T74] [ 1501.187017][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1501.187291][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1501.187291][ T74] netdev_get_by_index+0x5e/0x80 [ 1501.187291][ T74] fib6_nh_init+0x3d8/0x1580 [ 1501.187291][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1501.187291][ T74] ip6_route_add+0x1c/0x140 [ 1501.187291][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1501.187291][ T74] inet6_addr_add+0x4f8/0xa40 [ 1501.187291][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1501.187291][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1501.187291][ T74] netlink_rcv_skb+0x130/0x360 [ 1501.187291][ T74] netlink_unicast+0x449/0x710 [ 1501.187291][ T74] netlink_sendmsg+0x723/0xbe0 [ 1501.187291][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1501.187291][ T74] ___sys_sendmsg+0xee/0x170 [ 1501.187291][ T74] __sys_sendmsg+0xcd/0x170 [ 1501.187291][ T74] do_syscall_64+0xc6/0x1e0 [ 1501.187291][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1501.187291][ T74] [ 1501.189824][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1501.189824][ T74] netdev_get_by_index+0x5e/0x80 [ 1501.189824][ T74] fib6_nh_init+0x3d8/0x1580 [ 1501.189824][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1501.189824][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1501.189824][ T74] ipv6_add_addr+0x411/0x2000 [ 1501.189824][ T74] inet6_addr_add+0x30e/0xa40 [ 1501.189824][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1501.189824][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1501.189824][ T74] netlink_rcv_skb+0x130/0x360 [ 1501.189824][ T74] netlink_unicast+0x449/0x710 [ 1501.189824][ T74] netlink_sendmsg+0x723/0xbe0 [ 1501.189824][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1501.189824][ T74] ___sys_sendmsg+0xee/0x170 [ 1501.189824][ T74] __sys_sendmsg+0xcd/0x170 [ 1501.189824][ T74] do_syscall_64+0xc6/0x1e0 [ 1501.189824][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1501.189824][ T74] [ 1501.192275][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1501.192275][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1501.192275][ T74] ipv6_find_idev+0x102/0x170 [ 1501.192275][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1501.192275][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1501.192275][ T74] netlink_rcv_skb+0x130/0x360 [ 1501.192275][ T74] netlink_unicast+0x449/0x710 [ 1501.192275][ T74] netlink_sendmsg+0x723/0xbe0 [ 1501.192275][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1501.192275][ T74] ___sys_sendmsg+0xee/0x170 [ 1501.192275][ T74] __sys_sendmsg+0xcd/0x170 [ 1501.192275][ T74] do_syscall_64+0xc6/0x1e0 [ 1501.192275][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1501.192275][ T74] [ 1501.194186][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1501.194186][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1501.194186][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1501.194186][ T74] ipv6_find_idev+0x102/0x170 [ 1501.194186][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1501.194186][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1501.194186][ T74] netlink_rcv_skb+0x130/0x360 [ 1501.194186][ T74] netlink_unicast+0x449/0x710 [ 1501.194186][ T74] netlink_sendmsg+0x723/0xbe0 [ 1501.194186][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1501.194186][ T74] ___sys_sendmsg+0xee/0x170 [ 1501.194186][ T74] __sys_sendmsg+0xcd/0x170 [ 1501.194186][ T74] do_syscall_64+0xc6/0x1e0 [ 1501.194186][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1501.194186][ T74] [ 1503.234223][ T7556] br0: port 1(vx0) entered blocking state [ 1503.234499][ T7556] br0: port 1(vx0) entered disabled state [ 1503.234695][ T7556] vx0: entered allmulticast mode [ 1503.236366][ T7556] vx0: entered promiscuous mode [ 1503.238416][ T7556] br0: port 1(vx0) entered blocking state [ 1503.238601][ T7556] br0: port 1(vx0) entered forwarding state [ 1508.755030][ T7586] br0: port 1(vx0) entered blocking state [ 1508.755299][ T7586] br0: port 1(vx0) entered disabled state [ 1508.755495][ T7586] vx0: entered allmulticast mode [ 1508.756706][ T7586] vx0: entered promiscuous mode [ 1508.758576][ T7586] br0: port 1(vx0) entered blocking state [ 1508.758752][ T7586] br0: port 1(vx0) entered forwarding state [ 1511.336036][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1511.336522][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1511.336522][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1511.336522][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1511.336522][ T74] fib6_nh_init+0xa22/0x1580 [ 1511.336522][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1511.336522][ T74] ip6_route_add+0x1c/0x140 [ 1511.336522][ T74] inet6_rtm_newroute+0x104/0x110 [ 1511.336522][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1511.336522][ T74] netlink_rcv_skb+0x130/0x360 [ 1511.336522][ T74] netlink_unicast+0x449/0x710 [ 1511.336522][ T74] netlink_sendmsg+0x723/0xbe0 [ 1511.336522][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1511.336522][ T74] ___sys_sendmsg+0xee/0x170 [ 1511.336522][ T74] __sys_sendmsg+0xcd/0x170 [ 1511.336522][ T74] do_syscall_64+0xc6/0x1e0 [ 1511.336522][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1511.336522][ T74] [ 1511.338754][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1511.338754][ T74] netdev_get_by_index+0x5e/0x80 [ 1511.338754][ T74] fib6_nh_init+0x3d8/0x1580 [ 1511.338754][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1511.338754][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1511.338754][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1511.338754][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1511.338754][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1511.338754][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1511.338754][ T74] addrconf_dad_begin+0x310/0x670 [ 1511.338754][ T74] addrconf_dad_work+0x10b/0xab0 [ 1511.338754][ T74] process_one_work+0x84d/0x18a0 [ 1511.338754][ T74] worker_thread+0x587/0xd30 [ 1511.338754][ T74] kthread+0x28a/0x350 [ 1511.338754][ T74] ret_from_fork+0x31/0x70 [ 1511.338754][ T74] ret_from_fork_asm+0x1a/0x30 [ 1511.338754][ T74] [ 1511.340970][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1511.340970][ T74] netdev_get_by_index+0x5e/0x80 [ 1511.340970][ T74] fib6_nh_init+0x3d8/0x1580 [ 1511.340970][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1511.340970][ T74] ip6_route_add+0x1c/0x140 [ 1511.340970][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1511.340970][ T74] inet6_addr_add+0x4f8/0xa40 [ 1511.340970][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1511.340970][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1511.340970][ T74] netlink_rcv_skb+0x130/0x360 [ 1511.340970][ T74] netlink_unicast+0x449/0x710 [ 1511.340970][ T74] netlink_sendmsg+0x723/0xbe0 [ 1511.340970][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1511.340970][ T74] ___sys_sendmsg+0xee/0x170 [ 1511.340970][ T74] __sys_sendmsg+0xcd/0x170 [ 1511.340970][ T74] do_syscall_64+0xc6/0x1e0 [ 1511.340970][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1511.340970][ T74] [ 1511.343272][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1511.343272][ T74] netdev_get_by_index+0x5e/0x80 [ 1511.343272][ T74] fib6_nh_init+0x3d8/0x1580 [ 1511.343272][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1511.343272][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1511.343272][ T74] ipv6_add_addr+0x411/0x2000 [ 1511.343272][ T74] inet6_addr_add+0x30e/0xa40 [ 1511.343272][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1511.343272][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1511.343272][ T74] netlink_rcv_skb+0x130/0x360 [ 1511.343272][ T74] netlink_unicast+0x449/0x710 [ 1511.343272][ T74] netlink_sendmsg+0x723/0xbe0 [ 1511.343272][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1511.343272][ T74] ___sys_sendmsg+0xee/0x170 [ 1511.343272][ T74] __sys_sendmsg+0xcd/0x170 [ 1511.343272][ T74] do_syscall_64+0xc6/0x1e0 [ 1511.343272][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1511.343272][ T74] [ 1511.345572][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1511.345572][ T74] netdev_get_by_index+0x5e/0x80 [ 1511.345572][ T74] fib6_nh_init+0x3d8/0x1580 [ 1511.345572][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1511.345572][ T74] ip6_route_add+0x1c/0x140 [ 1511.345572][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1511.345572][ T74] addrconf_add_dev+0xe2/0x170 [ 1511.345572][ T74] inet6_addr_add+0x12f/0xa40 [ 1511.345572][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1511.345572][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1511.345572][ T74] netlink_rcv_skb+0x130/0x360 [ 1511.345572][ T74] netlink_unicast+0x449/0x710 [ 1511.345572][ T74] netlink_sendmsg+0x723/0xbe0 [ 1511.345572][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1511.345572][ T74] ___sys_sendmsg+0xee/0x170 [ 1511.345572][ T74] __sys_sendmsg+0xcd/0x170 [ 1511.345572][ T74] do_syscall_64+0xc6/0x1e0 [ 1511.345572][ T74] [ 1511.347795][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1511.347795][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1511.347795][ T74] ipv6_find_idev+0x102/0x170 [ 1511.347795][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1511.347795][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1511.347795][ T74] netlink_rcv_skb+0x130/0x360 [ 1511.347795][ T74] netlink_unicast+0x449/0x710 [ 1511.347795][ T74] netlink_sendmsg+0x723/0xbe0 [ 1511.347795][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1511.347795][ T74] ___sys_sendmsg+0xee/0x170 [ 1511.347795][ T74] __sys_sendmsg+0xcd/0x170 [ 1511.347795][ T74] do_syscall_64+0xc6/0x1e0 [ 1511.347795][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1511.347795][ T74] [ 1511.349567][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1511.349567][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1511.349567][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1511.349567][ T74] ipv6_find_idev+0x102/0x170 [ 1511.349567][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1511.349567][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1511.349567][ T74] netlink_rcv_skb+0x130/0x360 [ 1511.349567][ T74] netlink_unicast+0x449/0x710 [ 1511.349567][ T74] netlink_sendmsg+0x723/0xbe0 [ 1511.349567][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1511.349567][ T74] ___sys_sendmsg+0xee/0x170 [ 1511.349567][ T74] __sys_sendmsg+0xcd/0x170 [ 1511.349567][ T74] do_syscall_64+0xc6/0x1e0 [ 1511.349567][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1511.349567][ T74] [ 1511.351686][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1511.352022][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1511.352022][ T74] dst_init+0x84/0x4a0 [ 1511.352022][ T74] dst_alloc+0x97/0x150 [ 1511.352022][ T74] ip6_dst_alloc+0x23/0x90 [ 1511.352022][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1511.352022][ T74] ip6_pol_route+0x56f/0x840 [ 1511.352022][ T74] fib6_rule_lookup+0x456/0x630 [ 1511.352022][ T74] ip6_route_input+0x59c/0xa50 [ 1511.352022][ T74] ipv6_rcv+0x397/0x810 [ 1511.352022][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1511.352022][ T74] process_backlog+0x101/0x620 [ 1511.352022][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1511.352022][ T74] net_rx_action+0x495/0xbe0 [ 1511.352022][ T74] __do_softirq+0x1b5/0x7f6 [ 1511.352022][ T74] [ 1511.353865][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1511.353865][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1511.353865][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1511.353865][ T74] fib6_nh_init+0xa22/0x1580 [ 1511.353865][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1511.353865][ T74] ip6_route_add+0x1c/0x140 [ 1511.353865][ T74] inet6_rtm_newroute+0x104/0x110 [ 1511.353865][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1511.353865][ T74] netlink_rcv_skb+0x130/0x360 [ 1511.353865][ T74] netlink_unicast+0x449/0x710 [ 1511.353865][ T74] netlink_sendmsg+0x723/0xbe0 [ 1511.353865][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1511.353865][ T74] ___sys_sendmsg+0xee/0x170 [ 1511.353865][ T74] __sys_sendmsg+0xcd/0x170 [ 1511.353865][ T74] do_syscall_64+0xc6/0x1e0 [ 1511.353865][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1511.353865][ T74] [ 1511.356015][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1511.356015][ T74] netdev_get_by_index+0x5e/0x80 [ 1511.356015][ T74] fib6_nh_init+0x3d8/0x1580 [ 1511.356015][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1511.356015][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1511.356015][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1511.356015][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1511.356015][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1511.356015][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1511.356015][ T74] addrconf_dad_begin+0x310/0x670 [ 1511.356015][ T74] addrconf_dad_work+0x10b/0xab0 [ 1511.356015][ T74] process_one_work+0x84d/0x18a0 [ 1511.356015][ T74] worker_thread+0x587/0xd30 [ 1511.356015][ T74] kthread+0x28a/0x350 [ 1511.356015][ T74] ret_from_fork+0x31/0x70 [ 1511.356015][ T74] ret_from_fork_asm+0x1a/0x30 [ 1511.356015][ T74] [ 1511.358181][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1511.358181][ T74] netdev_get_by_index+0x5e/0x80 [ 1511.358181][ T74] fib6_nh_init+0x3d8/0x1580 [ 1511.358181][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1511.358181][ T74] ip6_route_add+0x1c/0x140 [ 1511.358181][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1511.358181][ T74] inet6_addr_add+0x4f8/0xa40 [ 1511.358181][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1511.358181][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1511.358181][ T74] netlink_rcv_skb+0x130/0x360 [ 1511.358181][ T74] netlink_unicast+0x449/0x710 [ 1511.358181][ T74] netlink_sendmsg+0x723/0xbe0 [ 1511.358181][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1511.358181][ T74] ___sys_sendmsg+0xee/0x170 [ 1511.358181][ T74] __sys_sendmsg+0xcd/0x170 [ 1511.358181][ T74] do_syscall_64+0xc6/0x1e0 [ 1511.358181][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1511.358181][ T74] [ 1511.360464][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1511.360464][ T74] netdev_get_by_index+0x5e/0x80 [ 1511.360464][ T74] fib6_nh_init+0x3d8/0x1580 [ 1511.360464][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1511.360464][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1511.360464][ T74] ipv6_add_addr+0x411/0x2000 [ 1511.360464][ T74] inet6_addr_add+0x30e/0xa40 [ 1511.360464][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1511.360464][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1511.360464][ T74] netlink_rcv_skb+0x130/0x360 [ 1511.360464][ T74] netlink_unicast+0x449/0x710 [ 1511.360464][ T74] netlink_sendmsg+0x723/0xbe0 [ 1511.360464][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1511.360464][ T74] ___sys_sendmsg+0xee/0x170 [ 1511.360464][ T74] __sys_sendmsg+0xcd/0x170 [ 1511.360464][ T74] do_syscall_64+0xc6/0x1e0 [ 1511.360464][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1511.360464][ T74] [ 1511.362760][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1511.362760][ T74] netdev_get_by_index+0x5e/0x80 [ 1511.362760][ T74] fib6_nh_init+0x3d8/0x1580 [ 1511.362760][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1511.362760][ T74] ip6_route_add+0x1c/0x140 [ 1511.362760][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1511.362760][ T74] addrconf_add_dev+0xe2/0x170 [ 1511.362760][ T74] inet6_addr_add+0x12f/0xa40 [ 1511.362760][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1511.362760][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1511.362760][ T74] netlink_rcv_skb+0x130/0x360 [ 1511.362760][ T74] netlink_unicast+0x449/0x710 [ 1511.362760][ T74] netlink_sendmsg+0x723/0xbe0 [ 1511.362760][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1511.362760][ T74] ___sys_sendmsg+0xee/0x170 [ 1511.362760][ T74] __sys_sendmsg+0xcd/0x170 [ 1511.362760][ T74] do_syscall_64+0xc6/0x1e0 [ 1511.362760][ T74] [ 1511.365180][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1511.365180][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1511.365180][ T74] ipv6_find_idev+0x102/0x170 [ 1511.365180][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1511.365180][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1511.365180][ T74] netlink_rcv_skb+0x130/0x360 [ 1511.365180][ T74] netlink_unicast+0x449/0x710 [ 1511.365180][ T74] netlink_sendmsg+0x723/0xbe0 [ 1511.365180][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1511.365180][ T74] ___sys_sendmsg+0xee/0x170 [ 1511.365180][ T74] __sys_sendmsg+0xcd/0x170 [ 1511.365180][ T74] do_syscall_64+0xc6/0x1e0 [ 1511.365180][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1511.365180][ T74] [ 1511.367185][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1511.367185][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1511.367185][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1511.367185][ T74] ipv6_find_idev+0x102/0x170 [ 1511.367185][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1511.367185][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1511.367185][ T74] netlink_rcv_skb+0x130/0x360 [ 1511.367185][ T74] netlink_unicast+0x449/0x710 [ 1511.367185][ T74] netlink_sendmsg+0x723/0xbe0 [ 1511.367185][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1511.367185][ T74] ___sys_sendmsg+0xee/0x170 [ 1511.367185][ T74] __sys_sendmsg+0xcd/0x170 [ 1511.367185][ T74] do_syscall_64+0xc6/0x1e0 [ 1511.367185][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1511.367185][ T74] [ 1511.369379][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1511.369649][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1511.369649][ T74] netdev_get_by_index+0x5e/0x80 [ 1511.369649][ T74] fib6_nh_init+0x3d8/0x1580 [ 1511.369649][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1511.369649][ T74] ip6_route_add+0x1c/0x140 [ 1511.369649][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1511.369649][ T74] inet6_addr_add+0x4f8/0xa40 [ 1511.369649][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1511.369649][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1511.369649][ T74] netlink_rcv_skb+0x130/0x360 [ 1511.369649][ T74] netlink_unicast+0x449/0x710 [ 1511.369649][ T74] netlink_sendmsg+0x723/0xbe0 [ 1511.369649][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1511.369649][ T74] ___sys_sendmsg+0xee/0x170 [ 1511.369649][ T74] __sys_sendmsg+0xcd/0x170 [ 1511.369649][ T74] do_syscall_64+0xc6/0x1e0 [ 1511.369649][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1511.369649][ T74] [ 1511.372168][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1511.372168][ T74] netdev_get_by_index+0x5e/0x80 [ 1511.372168][ T74] fib6_nh_init+0x3d8/0x1580 [ 1511.372168][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1511.372168][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1511.372168][ T74] ipv6_add_addr+0x411/0x2000 [ 1511.372168][ T74] inet6_addr_add+0x30e/0xa40 [ 1511.372168][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1511.372168][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1511.372168][ T74] netlink_rcv_skb+0x130/0x360 [ 1511.372168][ T74] netlink_unicast+0x449/0x710 [ 1511.372168][ T74] netlink_sendmsg+0x723/0xbe0 [ 1511.372168][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1511.372168][ T74] ___sys_sendmsg+0xee/0x170 [ 1511.372168][ T74] __sys_sendmsg+0xcd/0x170 [ 1511.372168][ T74] do_syscall_64+0xc6/0x1e0 [ 1511.372168][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1511.372168][ T74] [ 1511.374672][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1511.374672][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1511.374672][ T74] ipv6_find_idev+0x102/0x170 [ 1511.374672][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1511.374672][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1511.374672][ T74] netlink_rcv_skb+0x130/0x360 [ 1511.374672][ T74] netlink_unicast+0x449/0x710 [ 1511.374672][ T74] netlink_sendmsg+0x723/0xbe0 [ 1511.374672][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1511.374672][ T74] ___sys_sendmsg+0xee/0x170 [ 1511.374672][ T74] __sys_sendmsg+0xcd/0x170 [ 1511.374672][ T74] do_syscall_64+0xc6/0x1e0 [ 1511.374672][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1511.374672][ T74] [ 1511.376605][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1511.376605][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1511.376605][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1511.376605][ T74] ipv6_find_idev+0x102/0x170 [ 1511.376605][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1511.376605][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1511.376605][ T74] netlink_rcv_skb+0x130/0x360 [ 1511.376605][ T74] netlink_unicast+0x449/0x710 [ 1511.376605][ T74] netlink_sendmsg+0x723/0xbe0 [ 1511.376605][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1511.376605][ T74] ___sys_sendmsg+0xee/0x170 [ 1511.376605][ T74] __sys_sendmsg+0xcd/0x170 [ 1511.376605][ T74] do_syscall_64+0xc6/0x1e0 [ 1511.376605][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1511.376605][ T74] [ 1517.647771][ T7619] GACT probability NOT on [ 1521.399964][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1521.400449][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1521.400449][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1521.400449][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1521.400449][ T74] fib6_nh_init+0xa22/0x1580 [ 1521.400449][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1521.400449][ T74] ip6_route_add+0x1c/0x140 [ 1521.400449][ T74] inet6_rtm_newroute+0x104/0x110 [ 1521.400449][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1521.400449][ T74] netlink_rcv_skb+0x130/0x360 [ 1521.400449][ T74] netlink_unicast+0x449/0x710 [ 1521.400449][ T74] netlink_sendmsg+0x723/0xbe0 [ 1521.400449][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1521.400449][ T74] ___sys_sendmsg+0xee/0x170 [ 1521.400449][ T74] __sys_sendmsg+0xcd/0x170 [ 1521.400449][ T74] do_syscall_64+0xc6/0x1e0 [ 1521.400449][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1521.400449][ T74] [ 1521.402703][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1521.402703][ T74] netdev_get_by_index+0x5e/0x80 [ 1521.402703][ T74] fib6_nh_init+0x3d8/0x1580 [ 1521.402703][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1521.402703][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1521.402703][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1521.402703][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1521.402703][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1521.402703][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1521.402703][ T74] addrconf_dad_begin+0x310/0x670 [ 1521.402703][ T74] addrconf_dad_work+0x10b/0xab0 [ 1521.402703][ T74] process_one_work+0x84d/0x18a0 [ 1521.402703][ T74] worker_thread+0x587/0xd30 [ 1521.402703][ T74] kthread+0x28a/0x350 [ 1521.402703][ T74] ret_from_fork+0x31/0x70 [ 1521.402703][ T74] ret_from_fork_asm+0x1a/0x30 [ 1521.402703][ T74] [ 1521.404892][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1521.404892][ T74] netdev_get_by_index+0x5e/0x80 [ 1521.404892][ T74] fib6_nh_init+0x3d8/0x1580 [ 1521.404892][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1521.404892][ T74] ip6_route_add+0x1c/0x140 [ 1521.404892][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1521.404892][ T74] inet6_addr_add+0x4f8/0xa40 [ 1521.404892][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1521.404892][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1521.404892][ T74] netlink_rcv_skb+0x130/0x360 [ 1521.404892][ T74] netlink_unicast+0x449/0x710 [ 1521.404892][ T74] netlink_sendmsg+0x723/0xbe0 [ 1521.404892][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1521.404892][ T74] ___sys_sendmsg+0xee/0x170 [ 1521.404892][ T74] __sys_sendmsg+0xcd/0x170 [ 1521.404892][ T74] do_syscall_64+0xc6/0x1e0 [ 1521.404892][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1521.404892][ T74] [ 1521.407166][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1521.407166][ T74] netdev_get_by_index+0x5e/0x80 [ 1521.407166][ T74] fib6_nh_init+0x3d8/0x1580 [ 1521.407166][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1521.407166][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1521.407166][ T74] ipv6_add_addr+0x411/0x2000 [ 1521.407166][ T74] inet6_addr_add+0x30e/0xa40 [ 1521.407166][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1521.407166][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1521.407166][ T74] netlink_rcv_skb+0x130/0x360 [ 1521.407166][ T74] netlink_unicast+0x449/0x710 [ 1521.407166][ T74] netlink_sendmsg+0x723/0xbe0 [ 1521.407166][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1521.407166][ T74] ___sys_sendmsg+0xee/0x170 [ 1521.407166][ T74] __sys_sendmsg+0xcd/0x170 [ 1521.407166][ T74] do_syscall_64+0xc6/0x1e0 [ 1521.407166][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1521.407166][ T74] [ 1521.409471][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1521.409471][ T74] netdev_get_by_index+0x5e/0x80 [ 1521.409471][ T74] fib6_nh_init+0x3d8/0x1580 [ 1521.409471][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1521.409471][ T74] ip6_route_add+0x1c/0x140 [ 1521.409471][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1521.409471][ T74] addrconf_add_dev+0xe2/0x170 [ 1521.409471][ T74] inet6_addr_add+0x12f/0xa40 [ 1521.409471][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1521.409471][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1521.409471][ T74] netlink_rcv_skb+0x130/0x360 [ 1521.409471][ T74] netlink_unicast+0x449/0x710 [ 1521.409471][ T74] netlink_sendmsg+0x723/0xbe0 [ 1521.409471][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1521.409471][ T74] ___sys_sendmsg+0xee/0x170 [ 1521.409471][ T74] __sys_sendmsg+0xcd/0x170 [ 1521.409471][ T74] do_syscall_64+0xc6/0x1e0 [ 1521.409471][ T74] [ 1521.411744][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1521.411744][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1521.411744][ T74] ipv6_find_idev+0x102/0x170 [ 1521.411744][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1521.411744][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1521.411744][ T74] netlink_rcv_skb+0x130/0x360 [ 1521.411744][ T74] netlink_unicast+0x449/0x710 [ 1521.411744][ T74] netlink_sendmsg+0x723/0xbe0 [ 1521.411744][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1521.411744][ T74] ___sys_sendmsg+0xee/0x170 [ 1521.411744][ T74] __sys_sendmsg+0xcd/0x170 [ 1521.411744][ T74] do_syscall_64+0xc6/0x1e0 [ 1521.411744][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1521.411744][ T74] [ 1521.413511][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1521.413511][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1521.413511][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1521.413511][ T74] ipv6_find_idev+0x102/0x170 [ 1521.413511][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1521.413511][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1521.413511][ T74] netlink_rcv_skb+0x130/0x360 [ 1521.413511][ T74] netlink_unicast+0x449/0x710 [ 1521.413511][ T74] netlink_sendmsg+0x723/0xbe0 [ 1521.413511][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1521.413511][ T74] ___sys_sendmsg+0xee/0x170 [ 1521.413511][ T74] __sys_sendmsg+0xcd/0x170 [ 1521.413511][ T74] do_syscall_64+0xc6/0x1e0 [ 1521.413511][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1521.413511][ T74] [ 1521.415461][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1521.415782][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1521.415782][ T74] dst_init+0x84/0x4a0 [ 1521.415782][ T74] dst_alloc+0x97/0x150 [ 1521.415782][ T74] ip6_dst_alloc+0x23/0x90 [ 1521.415782][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1521.415782][ T74] ip6_pol_route+0x56f/0x840 [ 1521.415782][ T74] fib6_rule_lookup+0x456/0x630 [ 1521.415782][ T74] ip6_route_input+0x59c/0xa50 [ 1521.415782][ T74] ipv6_rcv+0x397/0x810 [ 1521.415782][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1521.415782][ T74] process_backlog+0x101/0x620 [ 1521.415782][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1521.415782][ T74] net_rx_action+0x495/0xbe0 [ 1521.415782][ T74] __do_softirq+0x1b5/0x7f6 [ 1521.415782][ T74] [ 1521.417642][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1521.417642][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1521.417642][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1521.417642][ T74] fib6_nh_init+0xa22/0x1580 [ 1521.417642][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1521.417642][ T74] ip6_route_add+0x1c/0x140 [ 1521.417642][ T74] inet6_rtm_newroute+0x104/0x110 [ 1521.417642][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1521.417642][ T74] netlink_rcv_skb+0x130/0x360 [ 1521.417642][ T74] netlink_unicast+0x449/0x710 [ 1521.417642][ T74] netlink_sendmsg+0x723/0xbe0 [ 1521.417642][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1521.417642][ T74] ___sys_sendmsg+0xee/0x170 [ 1521.417642][ T74] __sys_sendmsg+0xcd/0x170 [ 1521.417642][ T74] do_syscall_64+0xc6/0x1e0 [ 1521.417642][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1521.417642][ T74] [ 1521.419777][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1521.419777][ T74] netdev_get_by_index+0x5e/0x80 [ 1521.419777][ T74] fib6_nh_init+0x3d8/0x1580 [ 1521.419777][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1521.419777][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1521.419777][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1521.419777][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1521.419777][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1521.419777][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1521.419777][ T74] addrconf_dad_begin+0x310/0x670 [ 1521.419777][ T74] addrconf_dad_work+0x10b/0xab0 [ 1521.419777][ T74] process_one_work+0x84d/0x18a0 [ 1521.419777][ T74] worker_thread+0x587/0xd30 [ 1521.419777][ T74] kthread+0x28a/0x350 [ 1521.419777][ T74] ret_from_fork+0x31/0x70 [ 1521.419777][ T74] ret_from_fork_asm+0x1a/0x30 [ 1521.419777][ T74] [ 1521.421968][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1521.421968][ T74] netdev_get_by_index+0x5e/0x80 [ 1521.421968][ T74] fib6_nh_init+0x3d8/0x1580 [ 1521.421968][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1521.421968][ T74] ip6_route_add+0x1c/0x140 [ 1521.421968][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1521.421968][ T74] inet6_addr_add+0x4f8/0xa40 [ 1521.421968][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1521.421968][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1521.421968][ T74] netlink_rcv_skb+0x130/0x360 [ 1521.421968][ T74] netlink_unicast+0x449/0x710 [ 1521.421968][ T74] netlink_sendmsg+0x723/0xbe0 [ 1521.421968][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1521.421968][ T74] ___sys_sendmsg+0xee/0x170 [ 1521.421968][ T74] __sys_sendmsg+0xcd/0x170 [ 1521.421968][ T74] do_syscall_64+0xc6/0x1e0 [ 1521.421968][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1521.421968][ T74] [ 1521.424250][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1521.424250][ T74] netdev_get_by_index+0x5e/0x80 [ 1521.424250][ T74] fib6_nh_init+0x3d8/0x1580 [ 1521.424250][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1521.424250][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1521.424250][ T74] ipv6_add_addr+0x411/0x2000 [ 1521.424250][ T74] inet6_addr_add+0x30e/0xa40 [ 1521.424250][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1521.424250][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1521.424250][ T74] netlink_rcv_skb+0x130/0x360 [ 1521.424250][ T74] netlink_unicast+0x449/0x710 [ 1521.424250][ T74] netlink_sendmsg+0x723/0xbe0 [ 1521.424250][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1521.424250][ T74] ___sys_sendmsg+0xee/0x170 [ 1521.424250][ T74] __sys_sendmsg+0xcd/0x170 [ 1521.424250][ T74] do_syscall_64+0xc6/0x1e0 [ 1521.424250][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1521.424250][ T74] [ 1521.426559][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1521.426559][ T74] netdev_get_by_index+0x5e/0x80 [ 1521.426559][ T74] fib6_nh_init+0x3d8/0x1580 [ 1521.426559][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1521.426559][ T74] ip6_route_add+0x1c/0x140 [ 1521.426559][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1521.426559][ T74] addrconf_add_dev+0xe2/0x170 [ 1521.426559][ T74] inet6_addr_add+0x12f/0xa40 [ 1521.426559][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1521.426559][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1521.426559][ T74] netlink_rcv_skb+0x130/0x360 [ 1521.426559][ T74] netlink_unicast+0x449/0x710 [ 1521.426559][ T74] netlink_sendmsg+0x723/0xbe0 [ 1521.426559][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1521.426559][ T74] ___sys_sendmsg+0xee/0x170 [ 1521.426559][ T74] __sys_sendmsg+0xcd/0x170 [ 1521.426559][ T74] do_syscall_64+0xc6/0x1e0 [ 1521.426559][ T74] [ 1521.428809][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1521.428809][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1521.428809][ T74] ipv6_find_idev+0x102/0x170 [ 1521.428809][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1521.428809][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1521.428809][ T74] netlink_rcv_skb+0x130/0x360 [ 1521.428809][ T74] netlink_unicast+0x449/0x710 [ 1521.428809][ T74] netlink_sendmsg+0x723/0xbe0 [ 1521.428809][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1521.428809][ T74] ___sys_sendmsg+0xee/0x170 [ 1521.428809][ T74] __sys_sendmsg+0xcd/0x170 [ 1521.428809][ T74] do_syscall_64+0xc6/0x1e0 [ 1521.428809][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1521.428809][ T74] [ 1521.430712][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1521.430712][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1521.430712][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1521.430712][ T74] ipv6_find_idev+0x102/0x170 [ 1521.430712][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1521.430712][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1521.430712][ T74] netlink_rcv_skb+0x130/0x360 [ 1521.430712][ T74] netlink_unicast+0x449/0x710 [ 1521.430712][ T74] netlink_sendmsg+0x723/0xbe0 [ 1521.430712][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1521.430712][ T74] ___sys_sendmsg+0xee/0x170 [ 1521.430712][ T74] __sys_sendmsg+0xcd/0x170 [ 1521.430712][ T74] do_syscall_64+0xc6/0x1e0 [ 1521.430712][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1521.430712][ T74] [ 1521.432882][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1521.433157][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1521.433157][ T74] netdev_get_by_index+0x5e/0x80 [ 1521.433157][ T74] fib6_nh_init+0x3d8/0x1580 [ 1521.433157][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1521.433157][ T74] ip6_route_add+0x1c/0x140 [ 1521.433157][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1521.433157][ T74] inet6_addr_add+0x4f8/0xa40 [ 1521.433157][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1521.433157][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1521.433157][ T74] netlink_rcv_skb+0x130/0x360 [ 1521.433157][ T74] netlink_unicast+0x449/0x710 [ 1521.433157][ T74] netlink_sendmsg+0x723/0xbe0 [ 1521.433157][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1521.433157][ T74] ___sys_sendmsg+0xee/0x170 [ 1521.433157][ T74] __sys_sendmsg+0xcd/0x170 [ 1521.433157][ T74] do_syscall_64+0xc6/0x1e0 [ 1521.433157][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1521.433157][ T74] [ 1521.435665][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1521.435665][ T74] netdev_get_by_index+0x5e/0x80 [ 1521.435665][ T74] fib6_nh_init+0x3d8/0x1580 [ 1521.435665][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1521.435665][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1521.435665][ T74] ipv6_add_addr+0x411/0x2000 [ 1521.435665][ T74] inet6_addr_add+0x30e/0xa40 [ 1521.435665][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1521.435665][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1521.435665][ T74] netlink_rcv_skb+0x130/0x360 [ 1521.435665][ T74] netlink_unicast+0x449/0x710 [ 1521.435665][ T74] netlink_sendmsg+0x723/0xbe0 [ 1521.435665][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1521.435665][ T74] ___sys_sendmsg+0xee/0x170 [ 1521.435665][ T74] __sys_sendmsg+0xcd/0x170 [ 1521.435665][ T74] do_syscall_64+0xc6/0x1e0 [ 1521.435665][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1521.435665][ T74] [ 1521.438173][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1521.438173][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1521.438173][ T74] ipv6_find_idev+0x102/0x170 [ 1521.438173][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1521.438173][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1521.438173][ T74] netlink_rcv_skb+0x130/0x360 [ 1521.438173][ T74] netlink_unicast+0x449/0x710 [ 1521.438173][ T74] netlink_sendmsg+0x723/0xbe0 [ 1521.438173][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1521.438173][ T74] ___sys_sendmsg+0xee/0x170 [ 1521.438173][ T74] __sys_sendmsg+0xcd/0x170 [ 1521.438173][ T74] do_syscall_64+0xc6/0x1e0 [ 1521.438173][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1521.438173][ T74] [ 1521.440042][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1521.440042][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1521.440042][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1521.440042][ T74] ipv6_find_idev+0x102/0x170 [ 1521.440042][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1521.440042][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1521.440042][ T74] netlink_rcv_skb+0x130/0x360 [ 1521.440042][ T74] netlink_unicast+0x449/0x710 [ 1521.440042][ T74] netlink_sendmsg+0x723/0xbe0 [ 1521.440042][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1521.440042][ T74] ___sys_sendmsg+0xee/0x170 [ 1521.440042][ T74] __sys_sendmsg+0xcd/0x170 [ 1521.440042][ T74] do_syscall_64+0xc6/0x1e0 [ 1521.440042][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1521.440042][ T74] [ 1531.680033][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1531.680536][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1531.680536][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1531.680536][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1531.680536][ T74] fib6_nh_init+0xa22/0x1580 [ 1531.680536][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1531.680536][ T74] ip6_route_add+0x1c/0x140 [ 1531.680536][ T74] inet6_rtm_newroute+0x104/0x110 [ 1531.680536][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1531.680536][ T74] netlink_rcv_skb+0x130/0x360 [ 1531.680536][ T74] netlink_unicast+0x449/0x710 [ 1531.680536][ T74] netlink_sendmsg+0x723/0xbe0 [ 1531.680536][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1531.680536][ T74] ___sys_sendmsg+0xee/0x170 [ 1531.680536][ T74] __sys_sendmsg+0xcd/0x170 [ 1531.680536][ T74] do_syscall_64+0xc6/0x1e0 [ 1531.680536][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1531.680536][ T74] [ 1531.682763][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1531.682763][ T74] netdev_get_by_index+0x5e/0x80 [ 1531.682763][ T74] fib6_nh_init+0x3d8/0x1580 [ 1531.682763][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1531.682763][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1531.682763][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1531.682763][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1531.682763][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1531.682763][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1531.682763][ T74] addrconf_dad_begin+0x310/0x670 [ 1531.682763][ T74] addrconf_dad_work+0x10b/0xab0 [ 1531.682763][ T74] process_one_work+0x84d/0x18a0 [ 1531.682763][ T74] worker_thread+0x587/0xd30 [ 1531.682763][ T74] kthread+0x28a/0x350 [ 1531.682763][ T74] ret_from_fork+0x31/0x70 [ 1531.682763][ T74] ret_from_fork_asm+0x1a/0x30 [ 1531.682763][ T74] [ 1531.684965][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1531.684965][ T74] netdev_get_by_index+0x5e/0x80 [ 1531.684965][ T74] fib6_nh_init+0x3d8/0x1580 [ 1531.684965][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1531.684965][ T74] ip6_route_add+0x1c/0x140 [ 1531.684965][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1531.684965][ T74] inet6_addr_add+0x4f8/0xa40 [ 1531.684965][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1531.684965][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1531.684965][ T74] netlink_rcv_skb+0x130/0x360 [ 1531.684965][ T74] netlink_unicast+0x449/0x710 [ 1531.684965][ T74] netlink_sendmsg+0x723/0xbe0 [ 1531.684965][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1531.684965][ T74] ___sys_sendmsg+0xee/0x170 [ 1531.684965][ T74] __sys_sendmsg+0xcd/0x170 [ 1531.684965][ T74] do_syscall_64+0xc6/0x1e0 [ 1531.684965][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1531.684965][ T74] [ 1531.687242][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1531.687242][ T74] netdev_get_by_index+0x5e/0x80 [ 1531.687242][ T74] fib6_nh_init+0x3d8/0x1580 [ 1531.687242][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1531.687242][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1531.687242][ T74] ipv6_add_addr+0x411/0x2000 [ 1531.687242][ T74] inet6_addr_add+0x30e/0xa40 [ 1531.687242][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1531.687242][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1531.687242][ T74] netlink_rcv_skb+0x130/0x360 [ 1531.687242][ T74] netlink_unicast+0x449/0x710 [ 1531.687242][ T74] netlink_sendmsg+0x723/0xbe0 [ 1531.687242][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1531.687242][ T74] ___sys_sendmsg+0xee/0x170 [ 1531.687242][ T74] __sys_sendmsg+0xcd/0x170 [ 1531.687242][ T74] do_syscall_64+0xc6/0x1e0 [ 1531.687242][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1531.687242][ T74] [ 1531.689528][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1531.689528][ T74] netdev_get_by_index+0x5e/0x80 [ 1531.689528][ T74] fib6_nh_init+0x3d8/0x1580 [ 1531.689528][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1531.689528][ T74] ip6_route_add+0x1c/0x140 [ 1531.689528][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1531.689528][ T74] addrconf_add_dev+0xe2/0x170 [ 1531.689528][ T74] inet6_addr_add+0x12f/0xa40 [ 1531.689528][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1531.689528][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1531.689528][ T74] netlink_rcv_skb+0x130/0x360 [ 1531.689528][ T74] netlink_unicast+0x449/0x710 [ 1531.689528][ T74] netlink_sendmsg+0x723/0xbe0 [ 1531.689528][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1531.689528][ T74] ___sys_sendmsg+0xee/0x170 [ 1531.689528][ T74] __sys_sendmsg+0xcd/0x170 [ 1531.689528][ T74] do_syscall_64+0xc6/0x1e0 [ 1531.689528][ T74] [ 1531.691786][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1531.691786][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1531.691786][ T74] ipv6_find_idev+0x102/0x170 [ 1531.691786][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1531.691786][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1531.691786][ T74] netlink_rcv_skb+0x130/0x360 [ 1531.691786][ T74] netlink_unicast+0x449/0x710 [ 1531.691786][ T74] netlink_sendmsg+0x723/0xbe0 [ 1531.691786][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1531.691786][ T74] ___sys_sendmsg+0xee/0x170 [ 1531.691786][ T74] __sys_sendmsg+0xcd/0x170 [ 1531.691786][ T74] do_syscall_64+0xc6/0x1e0 [ 1531.691786][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1531.691786][ T74] [ 1531.693528][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1531.693528][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1531.693528][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1531.693528][ T74] ipv6_find_idev+0x102/0x170 [ 1531.693528][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1531.693528][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1531.693528][ T74] netlink_rcv_skb+0x130/0x360 [ 1531.693528][ T74] netlink_unicast+0x449/0x710 [ 1531.693528][ T74] netlink_sendmsg+0x723/0xbe0 [ 1531.693528][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1531.693528][ T74] ___sys_sendmsg+0xee/0x170 [ 1531.693528][ T74] __sys_sendmsg+0xcd/0x170 [ 1531.693528][ T74] do_syscall_64+0xc6/0x1e0 [ 1531.693528][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1531.693528][ T74] [ 1531.695621][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1531.695956][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1531.695956][ T74] dst_init+0x84/0x4a0 [ 1531.695956][ T74] dst_alloc+0x97/0x150 [ 1531.695956][ T74] ip6_dst_alloc+0x23/0x90 [ 1531.695956][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1531.695956][ T74] ip6_pol_route+0x56f/0x840 [ 1531.695956][ T74] fib6_rule_lookup+0x456/0x630 [ 1531.695956][ T74] ip6_route_input+0x59c/0xa50 [ 1531.695956][ T74] ipv6_rcv+0x397/0x810 [ 1531.695956][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1531.695956][ T74] process_backlog+0x101/0x620 [ 1531.695956][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1531.695956][ T74] net_rx_action+0x495/0xbe0 [ 1531.695956][ T74] __do_softirq+0x1b5/0x7f6 [ 1531.695956][ T74] [ 1531.697837][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1531.697837][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1531.697837][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1531.697837][ T74] fib6_nh_init+0xa22/0x1580 [ 1531.697837][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1531.697837][ T74] ip6_route_add+0x1c/0x140 [ 1531.697837][ T74] inet6_rtm_newroute+0x104/0x110 [ 1531.697837][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1531.697837][ T74] netlink_rcv_skb+0x130/0x360 [ 1531.697837][ T74] netlink_unicast+0x449/0x710 [ 1531.697837][ T74] netlink_sendmsg+0x723/0xbe0 [ 1531.697837][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1531.697837][ T74] ___sys_sendmsg+0xee/0x170 [ 1531.697837][ T74] __sys_sendmsg+0xcd/0x170 [ 1531.697837][ T74] do_syscall_64+0xc6/0x1e0 [ 1531.697837][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1531.697837][ T74] [ 1531.699964][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1531.699964][ T74] netdev_get_by_index+0x5e/0x80 [ 1531.699964][ T74] fib6_nh_init+0x3d8/0x1580 [ 1531.699964][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1531.699964][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1531.699964][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1531.699964][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1531.699964][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1531.699964][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1531.699964][ T74] addrconf_dad_begin+0x310/0x670 [ 1531.699964][ T74] addrconf_dad_work+0x10b/0xab0 [ 1531.699964][ T74] process_one_work+0x84d/0x18a0 [ 1531.699964][ T74] worker_thread+0x587/0xd30 [ 1531.699964][ T74] kthread+0x28a/0x350 [ 1531.699964][ T74] ret_from_fork+0x31/0x70 [ 1531.699964][ T74] ret_from_fork_asm+0x1a/0x30 [ 1531.699964][ T74] [ 1531.702139][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1531.702139][ T74] netdev_get_by_index+0x5e/0x80 [ 1531.702139][ T74] fib6_nh_init+0x3d8/0x1580 [ 1531.702139][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1531.702139][ T74] ip6_route_add+0x1c/0x140 [ 1531.702139][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1531.702139][ T74] inet6_addr_add+0x4f8/0xa40 [ 1531.702139][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1531.702139][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1531.702139][ T74] netlink_rcv_skb+0x130/0x360 [ 1531.702139][ T74] netlink_unicast+0x449/0x710 [ 1531.702139][ T74] netlink_sendmsg+0x723/0xbe0 [ 1531.702139][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1531.702139][ T74] ___sys_sendmsg+0xee/0x170 [ 1531.702139][ T74] __sys_sendmsg+0xcd/0x170 [ 1531.702139][ T74] do_syscall_64+0xc6/0x1e0 [ 1531.702139][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1531.702139][ T74] [ 1531.704405][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1531.704405][ T74] netdev_get_by_index+0x5e/0x80 [ 1531.704405][ T74] fib6_nh_init+0x3d8/0x1580 [ 1531.704405][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1531.704405][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1531.704405][ T74] ipv6_add_addr+0x411/0x2000 [ 1531.704405][ T74] inet6_addr_add+0x30e/0xa40 [ 1531.704405][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1531.704405][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1531.704405][ T74] netlink_rcv_skb+0x130/0x360 [ 1531.704405][ T74] netlink_unicast+0x449/0x710 [ 1531.704405][ T74] netlink_sendmsg+0x723/0xbe0 [ 1531.704405][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1531.704405][ T74] ___sys_sendmsg+0xee/0x170 [ 1531.704405][ T74] __sys_sendmsg+0xcd/0x170 [ 1531.704405][ T74] do_syscall_64+0xc6/0x1e0 [ 1531.704405][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1531.704405][ T74] [ 1531.706665][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1531.706665][ T74] netdev_get_by_index+0x5e/0x80 [ 1531.706665][ T74] fib6_nh_init+0x3d8/0x1580 [ 1531.706665][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1531.706665][ T74] ip6_route_add+0x1c/0x140 [ 1531.706665][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1531.706665][ T74] addrconf_add_dev+0xe2/0x170 [ 1531.706665][ T74] inet6_addr_add+0x12f/0xa40 [ 1531.706665][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1531.706665][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1531.706665][ T74] netlink_rcv_skb+0x130/0x360 [ 1531.706665][ T74] netlink_unicast+0x449/0x710 [ 1531.706665][ T74] netlink_sendmsg+0x723/0xbe0 [ 1531.706665][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1531.706665][ T74] ___sys_sendmsg+0xee/0x170 [ 1531.706665][ T74] __sys_sendmsg+0xcd/0x170 [ 1531.706665][ T74] do_syscall_64+0xc6/0x1e0 [ 1531.706665][ T74] [ 1531.708922][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1531.708922][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1531.708922][ T74] ipv6_find_idev+0x102/0x170 [ 1531.708922][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1531.708922][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1531.708922][ T74] netlink_rcv_skb+0x130/0x360 [ 1531.708922][ T74] netlink_unicast+0x449/0x710 [ 1531.708922][ T74] netlink_sendmsg+0x723/0xbe0 [ 1531.708922][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1531.708922][ T74] ___sys_sendmsg+0xee/0x170 [ 1531.708922][ T74] __sys_sendmsg+0xcd/0x170 [ 1531.708922][ T74] do_syscall_64+0xc6/0x1e0 [ 1531.708922][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1531.708922][ T74] [ 1531.710810][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1531.710810][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1531.710810][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1531.710810][ T74] ipv6_find_idev+0x102/0x170 [ 1531.710810][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1531.710810][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1531.710810][ T74] netlink_rcv_skb+0x130/0x360 [ 1531.710810][ T74] netlink_unicast+0x449/0x710 [ 1531.710810][ T74] netlink_sendmsg+0x723/0xbe0 [ 1531.710810][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1531.710810][ T74] ___sys_sendmsg+0xee/0x170 [ 1531.710810][ T74] __sys_sendmsg+0xcd/0x170 [ 1531.710810][ T74] do_syscall_64+0xc6/0x1e0 [ 1531.710810][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1531.710810][ T74] [ 1531.712905][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1531.713172][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1531.713172][ T74] netdev_get_by_index+0x5e/0x80 [ 1531.713172][ T74] fib6_nh_init+0x3d8/0x1580 [ 1531.713172][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1531.713172][ T74] ip6_route_add+0x1c/0x140 [ 1531.713172][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1531.713172][ T74] inet6_addr_add+0x4f8/0xa40 [ 1531.713172][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1531.713172][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1531.713172][ T74] netlink_rcv_skb+0x130/0x360 [ 1531.713172][ T74] netlink_unicast+0x449/0x710 [ 1531.713172][ T74] netlink_sendmsg+0x723/0xbe0 [ 1531.713172][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1531.713172][ T74] ___sys_sendmsg+0xee/0x170 [ 1531.713172][ T74] __sys_sendmsg+0xcd/0x170 [ 1531.713172][ T74] do_syscall_64+0xc6/0x1e0 [ 1531.713172][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1531.713172][ T74] [ 1531.715589][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1531.715589][ T74] netdev_get_by_index+0x5e/0x80 [ 1531.715589][ T74] fib6_nh_init+0x3d8/0x1580 [ 1531.715589][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1531.715589][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1531.715589][ T74] ipv6_add_addr+0x411/0x2000 [ 1531.715589][ T74] inet6_addr_add+0x30e/0xa40 [ 1531.715589][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1531.715589][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1531.715589][ T74] netlink_rcv_skb+0x130/0x360 [ 1531.715589][ T74] netlink_unicast+0x449/0x710 [ 1531.715589][ T74] netlink_sendmsg+0x723/0xbe0 [ 1531.715589][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1531.715589][ T74] ___sys_sendmsg+0xee/0x170 [ 1531.715589][ T74] __sys_sendmsg+0xcd/0x170 [ 1531.715589][ T74] do_syscall_64+0xc6/0x1e0 [ 1531.715589][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1531.715589][ T74] [ 1531.717987][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1531.717987][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1531.717987][ T74] ipv6_find_idev+0x102/0x170 [ 1531.717987][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1531.717987][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1531.717987][ T74] netlink_rcv_skb+0x130/0x360 [ 1531.717987][ T74] netlink_unicast+0x449/0x710 [ 1531.717987][ T74] netlink_sendmsg+0x723/0xbe0 [ 1531.717987][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1531.717987][ T74] ___sys_sendmsg+0xee/0x170 [ 1531.717987][ T74] __sys_sendmsg+0xcd/0x170 [ 1531.717987][ T74] do_syscall_64+0xc6/0x1e0 [ 1531.717987][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1531.717987][ T74] [ 1531.719814][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1531.719814][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1531.719814][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1531.719814][ T74] ipv6_find_idev+0x102/0x170 [ 1531.719814][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1531.719814][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1531.719814][ T74] netlink_rcv_skb+0x130/0x360 [ 1531.719814][ T74] netlink_unicast+0x449/0x710 [ 1531.719814][ T74] netlink_sendmsg+0x723/0xbe0 [ 1531.719814][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1531.719814][ T74] ___sys_sendmsg+0xee/0x170 [ 1531.719814][ T74] __sys_sendmsg+0xcd/0x170 [ 1531.719814][ T74] do_syscall_64+0xc6/0x1e0 [ 1531.719814][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1531.719814][ T74] [ 1541.960128][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1541.960621][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1541.960621][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1541.960621][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1541.960621][ T74] fib6_nh_init+0xa22/0x1580 [ 1541.960621][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1541.960621][ T74] ip6_route_add+0x1c/0x140 [ 1541.960621][ T74] inet6_rtm_newroute+0x104/0x110 [ 1541.960621][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1541.960621][ T74] netlink_rcv_skb+0x130/0x360 [ 1541.960621][ T74] netlink_unicast+0x449/0x710 [ 1541.960621][ T74] netlink_sendmsg+0x723/0xbe0 [ 1541.960621][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1541.960621][ T74] ___sys_sendmsg+0xee/0x170 [ 1541.960621][ T74] __sys_sendmsg+0xcd/0x170 [ 1541.960621][ T74] do_syscall_64+0xc6/0x1e0 [ 1541.960621][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1541.960621][ T74] [ 1541.962842][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1541.962842][ T74] netdev_get_by_index+0x5e/0x80 [ 1541.962842][ T74] fib6_nh_init+0x3d8/0x1580 [ 1541.962842][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1541.962842][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1541.962842][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1541.962842][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1541.962842][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1541.962842][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1541.962842][ T74] addrconf_dad_begin+0x310/0x670 [ 1541.962842][ T74] addrconf_dad_work+0x10b/0xab0 [ 1541.962842][ T74] process_one_work+0x84d/0x18a0 [ 1541.962842][ T74] worker_thread+0x587/0xd30 [ 1541.962842][ T74] kthread+0x28a/0x350 [ 1541.962842][ T74] ret_from_fork+0x31/0x70 [ 1541.962842][ T74] ret_from_fork_asm+0x1a/0x30 [ 1541.962842][ T74] [ 1541.965063][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1541.965063][ T74] netdev_get_by_index+0x5e/0x80 [ 1541.965063][ T74] fib6_nh_init+0x3d8/0x1580 [ 1541.965063][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1541.965063][ T74] ip6_route_add+0x1c/0x140 [ 1541.965063][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1541.965063][ T74] inet6_addr_add+0x4f8/0xa40 [ 1541.965063][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1541.965063][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1541.965063][ T74] netlink_rcv_skb+0x130/0x360 [ 1541.965063][ T74] netlink_unicast+0x449/0x710 [ 1541.965063][ T74] netlink_sendmsg+0x723/0xbe0 [ 1541.965063][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1541.965063][ T74] ___sys_sendmsg+0xee/0x170 [ 1541.965063][ T74] __sys_sendmsg+0xcd/0x170 [ 1541.965063][ T74] do_syscall_64+0xc6/0x1e0 [ 1541.965063][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1541.965063][ T74] [ 1541.967366][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1541.967366][ T74] netdev_get_by_index+0x5e/0x80 [ 1541.967366][ T74] fib6_nh_init+0x3d8/0x1580 [ 1541.967366][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1541.967366][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1541.967366][ T74] ipv6_add_addr+0x411/0x2000 [ 1541.967366][ T74] inet6_addr_add+0x30e/0xa40 [ 1541.967366][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1541.967366][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1541.967366][ T74] netlink_rcv_skb+0x130/0x360 [ 1541.967366][ T74] netlink_unicast+0x449/0x710 [ 1541.967366][ T74] netlink_sendmsg+0x723/0xbe0 [ 1541.967366][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1541.967366][ T74] ___sys_sendmsg+0xee/0x170 [ 1541.967366][ T74] __sys_sendmsg+0xcd/0x170 [ 1541.967366][ T74] do_syscall_64+0xc6/0x1e0 [ 1541.967366][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1541.967366][ T74] [ 1541.969662][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1541.969662][ T74] netdev_get_by_index+0x5e/0x80 [ 1541.969662][ T74] fib6_nh_init+0x3d8/0x1580 [ 1541.969662][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1541.969662][ T74] ip6_route_add+0x1c/0x140 [ 1541.969662][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1541.969662][ T74] addrconf_add_dev+0xe2/0x170 [ 1541.969662][ T74] inet6_addr_add+0x12f/0xa40 [ 1541.969662][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1541.969662][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1541.969662][ T74] netlink_rcv_skb+0x130/0x360 [ 1541.969662][ T74] netlink_unicast+0x449/0x710 [ 1541.969662][ T74] netlink_sendmsg+0x723/0xbe0 [ 1541.969662][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1541.969662][ T74] ___sys_sendmsg+0xee/0x170 [ 1541.969662][ T74] __sys_sendmsg+0xcd/0x170 [ 1541.969662][ T74] do_syscall_64+0xc6/0x1e0 [ 1541.969662][ T74] [ 1541.971903][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1541.971903][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1541.971903][ T74] ipv6_find_idev+0x102/0x170 [ 1541.971903][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1541.971903][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1541.971903][ T74] netlink_rcv_skb+0x130/0x360 [ 1541.971903][ T74] netlink_unicast+0x449/0x710 [ 1541.971903][ T74] netlink_sendmsg+0x723/0xbe0 [ 1541.971903][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1541.971903][ T74] ___sys_sendmsg+0xee/0x170 [ 1541.971903][ T74] __sys_sendmsg+0xcd/0x170 [ 1541.971903][ T74] do_syscall_64+0xc6/0x1e0 [ 1541.971903][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1541.971903][ T74] [ 1541.973674][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1541.973674][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1541.973674][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1541.973674][ T74] ipv6_find_idev+0x102/0x170 [ 1541.973674][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1541.973674][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1541.973674][ T74] netlink_rcv_skb+0x130/0x360 [ 1541.973674][ T74] netlink_unicast+0x449/0x710 [ 1541.973674][ T74] netlink_sendmsg+0x723/0xbe0 [ 1541.973674][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1541.973674][ T74] ___sys_sendmsg+0xee/0x170 [ 1541.973674][ T74] __sys_sendmsg+0xcd/0x170 [ 1541.973674][ T74] do_syscall_64+0xc6/0x1e0 [ 1541.973674][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1541.973674][ T74] [ 1541.975627][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1541.975947][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1541.975947][ T74] dst_init+0x84/0x4a0 [ 1541.975947][ T74] dst_alloc+0x97/0x150 [ 1541.975947][ T74] ip6_dst_alloc+0x23/0x90 [ 1541.975947][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1541.975947][ T74] ip6_pol_route+0x56f/0x840 [ 1541.975947][ T74] fib6_rule_lookup+0x456/0x630 [ 1541.975947][ T74] ip6_route_input+0x59c/0xa50 [ 1541.975947][ T74] ipv6_rcv+0x397/0x810 [ 1541.975947][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1541.975947][ T74] process_backlog+0x101/0x620 [ 1541.975947][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1541.975947][ T74] net_rx_action+0x495/0xbe0 [ 1541.975947][ T74] __do_softirq+0x1b5/0x7f6 [ 1541.975947][ T74] [ 1541.977798][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1541.977798][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1541.977798][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1541.977798][ T74] fib6_nh_init+0xa22/0x1580 [ 1541.977798][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1541.977798][ T74] ip6_route_add+0x1c/0x140 [ 1541.977798][ T74] inet6_rtm_newroute+0x104/0x110 [ 1541.977798][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1541.977798][ T74] netlink_rcv_skb+0x130/0x360 [ 1541.977798][ T74] netlink_unicast+0x449/0x710 [ 1541.977798][ T74] netlink_sendmsg+0x723/0xbe0 [ 1541.977798][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1541.977798][ T74] ___sys_sendmsg+0xee/0x170 [ 1541.977798][ T74] __sys_sendmsg+0xcd/0x170 [ 1541.977798][ T74] do_syscall_64+0xc6/0x1e0 [ 1541.977798][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1541.977798][ T74] [ 1541.979950][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1541.979950][ T74] netdev_get_by_index+0x5e/0x80 [ 1541.979950][ T74] fib6_nh_init+0x3d8/0x1580 [ 1541.979950][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1541.979950][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1541.979950][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1541.979950][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1541.979950][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1541.979950][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1541.979950][ T74] addrconf_dad_begin+0x310/0x670 [ 1541.979950][ T74] addrconf_dad_work+0x10b/0xab0 [ 1541.979950][ T74] process_one_work+0x84d/0x18a0 [ 1541.979950][ T74] worker_thread+0x587/0xd30 [ 1541.979950][ T74] kthread+0x28a/0x350 [ 1541.979950][ T74] ret_from_fork+0x31/0x70 [ 1541.979950][ T74] ret_from_fork_asm+0x1a/0x30 [ 1541.979950][ T74] [ 1541.982134][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1541.982134][ T74] netdev_get_by_index+0x5e/0x80 [ 1541.982134][ T74] fib6_nh_init+0x3d8/0x1580 [ 1541.982134][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1541.982134][ T74] ip6_route_add+0x1c/0x140 [ 1541.982134][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1541.982134][ T74] inet6_addr_add+0x4f8/0xa40 [ 1541.982134][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1541.982134][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1541.982134][ T74] netlink_rcv_skb+0x130/0x360 [ 1541.982134][ T74] netlink_unicast+0x449/0x710 [ 1541.982134][ T74] netlink_sendmsg+0x723/0xbe0 [ 1541.982134][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1541.982134][ T74] ___sys_sendmsg+0xee/0x170 [ 1541.982134][ T74] __sys_sendmsg+0xcd/0x170 [ 1541.982134][ T74] do_syscall_64+0xc6/0x1e0 [ 1541.982134][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1541.982134][ T74] [ 1541.984386][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1541.984386][ T74] netdev_get_by_index+0x5e/0x80 [ 1541.984386][ T74] fib6_nh_init+0x3d8/0x1580 [ 1541.984386][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1541.984386][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1541.984386][ T74] ipv6_add_addr+0x411/0x2000 [ 1541.984386][ T74] inet6_addr_add+0x30e/0xa40 [ 1541.984386][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1541.984386][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1541.984386][ T74] netlink_rcv_skb+0x130/0x360 [ 1541.984386][ T74] netlink_unicast+0x449/0x710 [ 1541.984386][ T74] netlink_sendmsg+0x723/0xbe0 [ 1541.984386][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1541.984386][ T74] ___sys_sendmsg+0xee/0x170 [ 1541.984386][ T74] __sys_sendmsg+0xcd/0x170 [ 1541.984386][ T74] do_syscall_64+0xc6/0x1e0 [ 1541.984386][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1541.984386][ T74] [ 1541.986693][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1541.986693][ T74] netdev_get_by_index+0x5e/0x80 [ 1541.986693][ T74] fib6_nh_init+0x3d8/0x1580 [ 1541.986693][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1541.986693][ T74] ip6_route_add+0x1c/0x140 [ 1541.986693][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1541.986693][ T74] addrconf_add_dev+0xe2/0x170 [ 1541.986693][ T74] inet6_addr_add+0x12f/0xa40 [ 1541.986693][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1541.986693][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1541.986693][ T74] netlink_rcv_skb+0x130/0x360 [ 1541.986693][ T74] netlink_unicast+0x449/0x710 [ 1541.986693][ T74] netlink_sendmsg+0x723/0xbe0 [ 1541.986693][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1541.986693][ T74] ___sys_sendmsg+0xee/0x170 [ 1541.986693][ T74] __sys_sendmsg+0xcd/0x170 [ 1541.986693][ T74] do_syscall_64+0xc6/0x1e0 [ 1541.986693][ T74] [ 1541.988960][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1541.988960][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1541.988960][ T74] ipv6_find_idev+0x102/0x170 [ 1541.988960][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1541.988960][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1541.988960][ T74] netlink_rcv_skb+0x130/0x360 [ 1541.988960][ T74] netlink_unicast+0x449/0x710 [ 1541.988960][ T74] netlink_sendmsg+0x723/0xbe0 [ 1541.988960][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1541.988960][ T74] ___sys_sendmsg+0xee/0x170 [ 1541.988960][ T74] __sys_sendmsg+0xcd/0x170 [ 1541.988960][ T74] do_syscall_64+0xc6/0x1e0 [ 1541.988960][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1541.988960][ T74] [ 1541.990853][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1541.990853][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1541.990853][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1541.990853][ T74] ipv6_find_idev+0x102/0x170 [ 1541.990853][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1541.990853][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1541.990853][ T74] netlink_rcv_skb+0x130/0x360 [ 1541.990853][ T74] netlink_unicast+0x449/0x710 [ 1541.990853][ T74] netlink_sendmsg+0x723/0xbe0 [ 1541.990853][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1541.990853][ T74] ___sys_sendmsg+0xee/0x170 [ 1541.990853][ T74] __sys_sendmsg+0xcd/0x170 [ 1541.990853][ T74] do_syscall_64+0xc6/0x1e0 [ 1541.990853][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1541.990853][ T74] [ 1541.992875][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1541.993212][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1541.993212][ T74] netdev_get_by_index+0x5e/0x80 [ 1541.993212][ T74] fib6_nh_init+0x3d8/0x1580 [ 1541.993212][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1541.993212][ T74] ip6_route_add+0x1c/0x140 [ 1541.993212][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1541.993212][ T74] inet6_addr_add+0x4f8/0xa40 [ 1541.993212][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1541.993212][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1541.993212][ T74] netlink_rcv_skb+0x130/0x360 [ 1541.993212][ T74] netlink_unicast+0x449/0x710 [ 1541.993212][ T74] netlink_sendmsg+0x723/0xbe0 [ 1541.993212][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1541.993212][ T74] ___sys_sendmsg+0xee/0x170 [ 1541.993212][ T74] __sys_sendmsg+0xcd/0x170 [ 1541.993212][ T74] do_syscall_64+0xc6/0x1e0 [ 1541.993212][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1541.993212][ T74] [ 1541.995559][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1541.995559][ T74] netdev_get_by_index+0x5e/0x80 [ 1541.995559][ T74] fib6_nh_init+0x3d8/0x1580 [ 1541.995559][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1541.995559][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1541.995559][ T74] ipv6_add_addr+0x411/0x2000 [ 1541.995559][ T74] inet6_addr_add+0x30e/0xa40 [ 1541.995559][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1541.995559][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1541.995559][ T74] netlink_rcv_skb+0x130/0x360 [ 1541.995559][ T74] netlink_unicast+0x449/0x710 [ 1541.995559][ T74] netlink_sendmsg+0x723/0xbe0 [ 1541.995559][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1541.995559][ T74] ___sys_sendmsg+0xee/0x170 [ 1541.995559][ T74] __sys_sendmsg+0xcd/0x170 [ 1541.995559][ T74] do_syscall_64+0xc6/0x1e0 [ 1541.995559][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1541.995559][ T74] [ 1541.997978][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1541.997978][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1541.997978][ T74] ipv6_find_idev+0x102/0x170 [ 1541.997978][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1541.997978][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1541.997978][ T74] netlink_rcv_skb+0x130/0x360 [ 1541.997978][ T74] netlink_unicast+0x449/0x710 [ 1541.997978][ T74] netlink_sendmsg+0x723/0xbe0 [ 1541.997978][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1541.997978][ T74] ___sys_sendmsg+0xee/0x170 [ 1541.997978][ T74] __sys_sendmsg+0xcd/0x170 [ 1541.997978][ T74] do_syscall_64+0xc6/0x1e0 [ 1541.997978][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1541.997978][ T74] [ 1541.999876][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1541.999876][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1541.999876][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1541.999876][ T74] ipv6_find_idev+0x102/0x170 [ 1541.999876][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1541.999876][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1541.999876][ T74] netlink_rcv_skb+0x130/0x360 [ 1541.999876][ T74] netlink_unicast+0x449/0x710 [ 1541.999876][ T74] netlink_sendmsg+0x723/0xbe0 [ 1541.999876][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1541.999876][ T74] ___sys_sendmsg+0xee/0x170 [ 1541.999876][ T74] __sys_sendmsg+0xcd/0x170 [ 1541.999876][ T74] do_syscall_64+0xc6/0x1e0 [ 1541.999876][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1541.999876][ T74] [ 1552.240015][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1552.240577][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1552.240577][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1552.240577][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1552.240577][ T74] fib6_nh_init+0xa22/0x1580 [ 1552.240577][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1552.240577][ T74] ip6_route_add+0x1c/0x140 [ 1552.240577][ T74] inet6_rtm_newroute+0x104/0x110 [ 1552.240577][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1552.240577][ T74] netlink_rcv_skb+0x130/0x360 [ 1552.240577][ T74] netlink_unicast+0x449/0x710 [ 1552.240577][ T74] netlink_sendmsg+0x723/0xbe0 [ 1552.240577][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1552.240577][ T74] ___sys_sendmsg+0xee/0x170 [ 1552.240577][ T74] __sys_sendmsg+0xcd/0x170 [ 1552.240577][ T74] do_syscall_64+0xc6/0x1e0 [ 1552.240577][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1552.240577][ T74] [ 1552.242599][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1552.242599][ T74] netdev_get_by_index+0x5e/0x80 [ 1552.242599][ T74] fib6_nh_init+0x3d8/0x1580 [ 1552.242599][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1552.242599][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1552.242599][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1552.242599][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1552.242599][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1552.242599][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1552.242599][ T74] addrconf_dad_begin+0x310/0x670 [ 1552.242599][ T74] addrconf_dad_work+0x10b/0xab0 [ 1552.242599][ T74] process_one_work+0x84d/0x18a0 [ 1552.242599][ T74] worker_thread+0x587/0xd30 [ 1552.242599][ T74] kthread+0x28a/0x350 [ 1552.242599][ T74] ret_from_fork+0x31/0x70 [ 1552.242599][ T74] ret_from_fork_asm+0x1a/0x30 [ 1552.242599][ T74] [ 1552.244602][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1552.244602][ T74] netdev_get_by_index+0x5e/0x80 [ 1552.244602][ T74] fib6_nh_init+0x3d8/0x1580 [ 1552.244602][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1552.244602][ T74] ip6_route_add+0x1c/0x140 [ 1552.244602][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1552.244602][ T74] inet6_addr_add+0x4f8/0xa40 [ 1552.244602][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1552.244602][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1552.244602][ T74] netlink_rcv_skb+0x130/0x360 [ 1552.244602][ T74] netlink_unicast+0x449/0x710 [ 1552.244602][ T74] netlink_sendmsg+0x723/0xbe0 [ 1552.244602][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1552.244602][ T74] ___sys_sendmsg+0xee/0x170 [ 1552.244602][ T74] __sys_sendmsg+0xcd/0x170 [ 1552.244602][ T74] do_syscall_64+0xc6/0x1e0 [ 1552.244602][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1552.244602][ T74] [ 1552.246667][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1552.246667][ T74] netdev_get_by_index+0x5e/0x80 [ 1552.246667][ T74] fib6_nh_init+0x3d8/0x1580 [ 1552.246667][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1552.246667][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1552.246667][ T74] ipv6_add_addr+0x411/0x2000 [ 1552.246667][ T74] inet6_addr_add+0x30e/0xa40 [ 1552.246667][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1552.246667][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1552.246667][ T74] netlink_rcv_skb+0x130/0x360 [ 1552.246667][ T74] netlink_unicast+0x449/0x710 [ 1552.246667][ T74] netlink_sendmsg+0x723/0xbe0 [ 1552.246667][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1552.246667][ T74] ___sys_sendmsg+0xee/0x170 [ 1552.246667][ T74] __sys_sendmsg+0xcd/0x170 [ 1552.246667][ T74] do_syscall_64+0xc6/0x1e0 [ 1552.246667][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1552.246667][ T74] [ 1552.248732][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1552.248732][ T74] netdev_get_by_index+0x5e/0x80 [ 1552.248732][ T74] fib6_nh_init+0x3d8/0x1580 [ 1552.248732][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1552.248732][ T74] ip6_route_add+0x1c/0x140 [ 1552.248732][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1552.248732][ T74] addrconf_add_dev+0xe2/0x170 [ 1552.248732][ T74] inet6_addr_add+0x12f/0xa40 [ 1552.248732][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1552.248732][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1552.248732][ T74] netlink_rcv_skb+0x130/0x360 [ 1552.248732][ T74] netlink_unicast+0x449/0x710 [ 1552.248732][ T74] netlink_sendmsg+0x723/0xbe0 [ 1552.248732][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1552.248732][ T74] ___sys_sendmsg+0xee/0x170 [ 1552.248732][ T74] __sys_sendmsg+0xcd/0x170 [ 1552.248732][ T74] do_syscall_64+0xc6/0x1e0 [ 1552.248732][ T74] [ 1552.250751][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1552.250751][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1552.250751][ T74] ipv6_find_idev+0x102/0x170 [ 1552.250751][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1552.250751][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1552.250751][ T74] netlink_rcv_skb+0x130/0x360 [ 1552.250751][ T74] netlink_unicast+0x449/0x710 [ 1552.250751][ T74] netlink_sendmsg+0x723/0xbe0 [ 1552.250751][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1552.250751][ T74] ___sys_sendmsg+0xee/0x170 [ 1552.250751][ T74] __sys_sendmsg+0xcd/0x170 [ 1552.250751][ T74] do_syscall_64+0xc6/0x1e0 [ 1552.250751][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1552.250751][ T74] [ 1552.252332][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1552.252332][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1552.252332][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1552.252332][ T74] ipv6_find_idev+0x102/0x170 [ 1552.252332][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1552.252332][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1552.252332][ T74] netlink_rcv_skb+0x130/0x360 [ 1552.252332][ T74] netlink_unicast+0x449/0x710 [ 1552.252332][ T74] netlink_sendmsg+0x723/0xbe0 [ 1552.252332][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1552.252332][ T74] ___sys_sendmsg+0xee/0x170 [ 1552.252332][ T74] __sys_sendmsg+0xcd/0x170 [ 1552.252332][ T74] do_syscall_64+0xc6/0x1e0 [ 1552.252332][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1552.252332][ T74] [ 1552.254093][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1552.254393][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1552.254393][ T74] dst_init+0x84/0x4a0 [ 1552.254393][ T74] dst_alloc+0x97/0x150 [ 1552.254393][ T74] ip6_dst_alloc+0x23/0x90 [ 1552.254393][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1552.254393][ T74] ip6_pol_route+0x56f/0x840 [ 1552.254393][ T74] fib6_rule_lookup+0x456/0x630 [ 1552.254393][ T74] ip6_route_input+0x59c/0xa50 [ 1552.254393][ T74] ipv6_rcv+0x397/0x810 [ 1552.254393][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1552.254393][ T74] process_backlog+0x101/0x620 [ 1552.254393][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1552.254393][ T74] net_rx_action+0x495/0xbe0 [ 1552.254393][ T74] __do_softirq+0x1b5/0x7f6 [ 1552.254393][ T74] [ 1552.256059][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1552.256059][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1552.256059][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1552.256059][ T74] fib6_nh_init+0xa22/0x1580 [ 1552.256059][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1552.256059][ T74] ip6_route_add+0x1c/0x140 [ 1552.256059][ T74] inet6_rtm_newroute+0x104/0x110 [ 1552.256059][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1552.256059][ T74] netlink_rcv_skb+0x130/0x360 [ 1552.256059][ T74] netlink_unicast+0x449/0x710 [ 1552.256059][ T74] netlink_sendmsg+0x723/0xbe0 [ 1552.256059][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1552.256059][ T74] ___sys_sendmsg+0xee/0x170 [ 1552.256059][ T74] __sys_sendmsg+0xcd/0x170 [ 1552.256059][ T74] do_syscall_64+0xc6/0x1e0 [ 1552.256059][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1552.256059][ T74] [ 1552.257986][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1552.257986][ T74] netdev_get_by_index+0x5e/0x80 [ 1552.257986][ T74] fib6_nh_init+0x3d8/0x1580 [ 1552.257986][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1552.257986][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1552.257986][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1552.257986][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1552.257986][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1552.257986][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1552.257986][ T74] addrconf_dad_begin+0x310/0x670 [ 1552.257986][ T74] addrconf_dad_work+0x10b/0xab0 [ 1552.257986][ T74] process_one_work+0x84d/0x18a0 [ 1552.257986][ T74] worker_thread+0x587/0xd30 [ 1552.257986][ T74] kthread+0x28a/0x350 [ 1552.257986][ T74] ret_from_fork+0x31/0x70 [ 1552.257986][ T74] ret_from_fork_asm+0x1a/0x30 [ 1552.257986][ T74] [ 1552.259918][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1552.259918][ T74] netdev_get_by_index+0x5e/0x80 [ 1552.259918][ T74] fib6_nh_init+0x3d8/0x1580 [ 1552.259918][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1552.259918][ T74] ip6_route_add+0x1c/0x140 [ 1552.259918][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1552.259918][ T74] inet6_addr_add+0x4f8/0xa40 [ 1552.259918][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1552.259918][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1552.259918][ T74] netlink_rcv_skb+0x130/0x360 [ 1552.259918][ T74] netlink_unicast+0x449/0x710 [ 1552.259918][ T74] netlink_sendmsg+0x723/0xbe0 [ 1552.259918][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1552.259918][ T74] ___sys_sendmsg+0xee/0x170 [ 1552.259918][ T74] __sys_sendmsg+0xcd/0x170 [ 1552.259918][ T74] do_syscall_64+0xc6/0x1e0 [ 1552.259918][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1552.259918][ T74] [ 1552.261947][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1552.261947][ T74] netdev_get_by_index+0x5e/0x80 [ 1552.261947][ T74] fib6_nh_init+0x3d8/0x1580 [ 1552.261947][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1552.261947][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1552.261947][ T74] ipv6_add_addr+0x411/0x2000 [ 1552.261947][ T74] inet6_addr_add+0x30e/0xa40 [ 1552.261947][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1552.261947][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1552.261947][ T74] netlink_rcv_skb+0x130/0x360 [ 1552.261947][ T74] netlink_unicast+0x449/0x710 [ 1552.261947][ T74] netlink_sendmsg+0x723/0xbe0 [ 1552.261947][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1552.261947][ T74] ___sys_sendmsg+0xee/0x170 [ 1552.261947][ T74] __sys_sendmsg+0xcd/0x170 [ 1552.261947][ T74] do_syscall_64+0xc6/0x1e0 [ 1552.261947][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1552.261947][ T74] [ 1552.263984][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1552.263984][ T74] netdev_get_by_index+0x5e/0x80 [ 1552.263984][ T74] fib6_nh_init+0x3d8/0x1580 [ 1552.263984][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1552.263984][ T74] ip6_route_add+0x1c/0x140 [ 1552.263984][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1552.263984][ T74] addrconf_add_dev+0xe2/0x170 [ 1552.263984][ T74] inet6_addr_add+0x12f/0xa40 [ 1552.263984][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1552.263984][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1552.263984][ T74] netlink_rcv_skb+0x130/0x360 [ 1552.263984][ T74] netlink_unicast+0x449/0x710 [ 1552.263984][ T74] netlink_sendmsg+0x723/0xbe0 [ 1552.263984][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1552.263984][ T74] ___sys_sendmsg+0xee/0x170 [ 1552.263984][ T74] __sys_sendmsg+0xcd/0x170 [ 1552.263984][ T74] do_syscall_64+0xc6/0x1e0 [ 1552.263984][ T74] [ 1552.265971][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1552.265971][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1552.265971][ T74] ipv6_find_idev+0x102/0x170 [ 1552.265971][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1552.265971][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1552.265971][ T74] netlink_rcv_skb+0x130/0x360 [ 1552.265971][ T74] netlink_unicast+0x449/0x710 [ 1552.265971][ T74] netlink_sendmsg+0x723/0xbe0 [ 1552.265971][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1552.265971][ T74] ___sys_sendmsg+0xee/0x170 [ 1552.265971][ T74] __sys_sendmsg+0xcd/0x170 [ 1552.265971][ T74] do_syscall_64+0xc6/0x1e0 [ 1552.265971][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1552.265971][ T74] [ 1552.267743][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1552.267743][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1552.267743][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1552.267743][ T74] ipv6_find_idev+0x102/0x170 [ 1552.267743][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1552.267743][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1552.267743][ T74] netlink_rcv_skb+0x130/0x360 [ 1552.267743][ T74] netlink_unicast+0x449/0x710 [ 1552.267743][ T74] netlink_sendmsg+0x723/0xbe0 [ 1552.267743][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1552.267743][ T74] ___sys_sendmsg+0xee/0x170 [ 1552.267743][ T74] __sys_sendmsg+0xcd/0x170 [ 1552.267743][ T74] do_syscall_64+0xc6/0x1e0 [ 1552.267743][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1552.267743][ T74] [ 1552.269743][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1552.270064][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1552.270064][ T74] netdev_get_by_index+0x5e/0x80 [ 1552.270064][ T74] fib6_nh_init+0x3d8/0x1580 [ 1552.270064][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1552.270064][ T74] ip6_route_add+0x1c/0x140 [ 1552.270064][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1552.270064][ T74] inet6_addr_add+0x4f8/0xa40 [ 1552.270064][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1552.270064][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1552.270064][ T74] netlink_rcv_skb+0x130/0x360 [ 1552.270064][ T74] netlink_unicast+0x449/0x710 [ 1552.270064][ T74] netlink_sendmsg+0x723/0xbe0 [ 1552.270064][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1552.270064][ T74] ___sys_sendmsg+0xee/0x170 [ 1552.270064][ T74] __sys_sendmsg+0xcd/0x170 [ 1552.270064][ T74] do_syscall_64+0xc6/0x1e0 [ 1552.270064][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1552.270064][ T74] [ 1552.272302][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1552.272302][ T74] netdev_get_by_index+0x5e/0x80 [ 1552.272302][ T74] fib6_nh_init+0x3d8/0x1580 [ 1552.272302][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1552.272302][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1552.272302][ T74] ipv6_add_addr+0x411/0x2000 [ 1552.272302][ T74] inet6_addr_add+0x30e/0xa40 [ 1552.272302][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1552.272302][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1552.272302][ T74] netlink_rcv_skb+0x130/0x360 [ 1552.272302][ T74] netlink_unicast+0x449/0x710 [ 1552.272302][ T74] netlink_sendmsg+0x723/0xbe0 [ 1552.272302][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1552.272302][ T74] ___sys_sendmsg+0xee/0x170 [ 1552.272302][ T74] __sys_sendmsg+0xcd/0x170 [ 1552.272302][ T74] do_syscall_64+0xc6/0x1e0 [ 1552.272302][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1552.272302][ T74] [ 1552.274573][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1552.274573][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1552.274573][ T74] ipv6_find_idev+0x102/0x170 [ 1552.274573][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1552.274573][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1552.274573][ T74] netlink_rcv_skb+0x130/0x360 [ 1552.274573][ T74] netlink_unicast+0x449/0x710 [ 1552.274573][ T74] netlink_sendmsg+0x723/0xbe0 [ 1552.274573][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1552.274573][ T74] ___sys_sendmsg+0xee/0x170 [ 1552.274573][ T74] __sys_sendmsg+0xcd/0x170 [ 1552.274573][ T74] do_syscall_64+0xc6/0x1e0 [ 1552.274573][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1552.274573][ T74] [ 1552.276314][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1552.276314][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1552.276314][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1552.276314][ T74] ipv6_find_idev+0x102/0x170 [ 1552.276314][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1552.276314][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1552.276314][ T74] netlink_rcv_skb+0x130/0x360 [ 1552.276314][ T74] netlink_unicast+0x449/0x710 [ 1552.276314][ T74] netlink_sendmsg+0x723/0xbe0 [ 1552.276314][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1552.276314][ T74] ___sys_sendmsg+0xee/0x170 [ 1552.276314][ T74] __sys_sendmsg+0xcd/0x170 [ 1552.276314][ T74] do_syscall_64+0xc6/0x1e0 [ 1552.276314][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1552.276314][ T74] [ 1562.520468][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1562.521049][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1562.521049][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1562.521049][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1562.521049][ T74] fib6_nh_init+0xa22/0x1580 [ 1562.521049][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1562.521049][ T74] ip6_route_add+0x1c/0x140 [ 1562.521049][ T74] inet6_rtm_newroute+0x104/0x110 [ 1562.521049][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1562.521049][ T74] netlink_rcv_skb+0x130/0x360 [ 1562.521049][ T74] netlink_unicast+0x449/0x710 [ 1562.521049][ T74] netlink_sendmsg+0x723/0xbe0 [ 1562.521049][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1562.521049][ T74] ___sys_sendmsg+0xee/0x170 [ 1562.521049][ T74] __sys_sendmsg+0xcd/0x170 [ 1562.521049][ T74] do_syscall_64+0xc6/0x1e0 [ 1562.521049][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1562.521049][ T74] [ 1562.523011][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1562.523011][ T74] netdev_get_by_index+0x5e/0x80 [ 1562.523011][ T74] fib6_nh_init+0x3d8/0x1580 [ 1562.523011][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1562.523011][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1562.523011][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1562.523011][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1562.523011][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1562.523011][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1562.523011][ T74] addrconf_dad_begin+0x310/0x670 [ 1562.523011][ T74] addrconf_dad_work+0x10b/0xab0 [ 1562.523011][ T74] process_one_work+0x84d/0x18a0 [ 1562.523011][ T74] worker_thread+0x587/0xd30 [ 1562.523011][ T74] kthread+0x28a/0x350 [ 1562.523011][ T74] ret_from_fork+0x31/0x70 [ 1562.523011][ T74] ret_from_fork_asm+0x1a/0x30 [ 1562.523011][ T74] [ 1562.524955][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1562.524955][ T74] netdev_get_by_index+0x5e/0x80 [ 1562.524955][ T74] fib6_nh_init+0x3d8/0x1580 [ 1562.524955][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1562.524955][ T74] ip6_route_add+0x1c/0x140 [ 1562.524955][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1562.524955][ T74] inet6_addr_add+0x4f8/0xa40 [ 1562.524955][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1562.524955][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1562.524955][ T74] netlink_rcv_skb+0x130/0x360 [ 1562.524955][ T74] netlink_unicast+0x449/0x710 [ 1562.524955][ T74] netlink_sendmsg+0x723/0xbe0 [ 1562.524955][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1562.524955][ T74] ___sys_sendmsg+0xee/0x170 [ 1562.524955][ T74] __sys_sendmsg+0xcd/0x170 [ 1562.524955][ T74] do_syscall_64+0xc6/0x1e0 [ 1562.524955][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1562.524955][ T74] [ 1562.526985][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1562.526985][ T74] netdev_get_by_index+0x5e/0x80 [ 1562.526985][ T74] fib6_nh_init+0x3d8/0x1580 [ 1562.526985][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1562.526985][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1562.526985][ T74] ipv6_add_addr+0x411/0x2000 [ 1562.526985][ T74] inet6_addr_add+0x30e/0xa40 [ 1562.526985][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1562.526985][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1562.526985][ T74] netlink_rcv_skb+0x130/0x360 [ 1562.526985][ T74] netlink_unicast+0x449/0x710 [ 1562.526985][ T74] netlink_sendmsg+0x723/0xbe0 [ 1562.526985][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1562.526985][ T74] ___sys_sendmsg+0xee/0x170 [ 1562.526985][ T74] __sys_sendmsg+0xcd/0x170 [ 1562.526985][ T74] do_syscall_64+0xc6/0x1e0 [ 1562.526985][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1562.526985][ T74] [ 1562.529020][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1562.529020][ T74] netdev_get_by_index+0x5e/0x80 [ 1562.529020][ T74] fib6_nh_init+0x3d8/0x1580 [ 1562.529020][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1562.529020][ T74] ip6_route_add+0x1c/0x140 [ 1562.529020][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1562.529020][ T74] addrconf_add_dev+0xe2/0x170 [ 1562.529020][ T74] inet6_addr_add+0x12f/0xa40 [ 1562.529020][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1562.529020][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1562.529020][ T74] netlink_rcv_skb+0x130/0x360 [ 1562.529020][ T74] netlink_unicast+0x449/0x710 [ 1562.529020][ T74] netlink_sendmsg+0x723/0xbe0 [ 1562.529020][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1562.529020][ T74] ___sys_sendmsg+0xee/0x170 [ 1562.529020][ T74] __sys_sendmsg+0xcd/0x170 [ 1562.529020][ T74] do_syscall_64+0xc6/0x1e0 [ 1562.529020][ T74] [ 1562.531013][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1562.531013][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1562.531013][ T74] ipv6_find_idev+0x102/0x170 [ 1562.531013][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1562.531013][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1562.531013][ T74] netlink_rcv_skb+0x130/0x360 [ 1562.531013][ T74] netlink_unicast+0x449/0x710 [ 1562.531013][ T74] netlink_sendmsg+0x723/0xbe0 [ 1562.531013][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1562.531013][ T74] ___sys_sendmsg+0xee/0x170 [ 1562.531013][ T74] __sys_sendmsg+0xcd/0x170 [ 1562.531013][ T74] do_syscall_64+0xc6/0x1e0 [ 1562.531013][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1562.531013][ T74] [ 1562.532592][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1562.532592][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1562.532592][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1562.532592][ T74] ipv6_find_idev+0x102/0x170 [ 1562.532592][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1562.532592][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1562.532592][ T74] netlink_rcv_skb+0x130/0x360 [ 1562.532592][ T74] netlink_unicast+0x449/0x710 [ 1562.532592][ T74] netlink_sendmsg+0x723/0xbe0 [ 1562.532592][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1562.532592][ T74] ___sys_sendmsg+0xee/0x170 [ 1562.532592][ T74] __sys_sendmsg+0xcd/0x170 [ 1562.532592][ T74] do_syscall_64+0xc6/0x1e0 [ 1562.532592][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1562.532592][ T74] [ 1562.534346][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1562.534630][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1562.534630][ T74] dst_init+0x84/0x4a0 [ 1562.534630][ T74] dst_alloc+0x97/0x150 [ 1562.534630][ T74] ip6_dst_alloc+0x23/0x90 [ 1562.534630][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1562.534630][ T74] ip6_pol_route+0x56f/0x840 [ 1562.534630][ T74] fib6_rule_lookup+0x456/0x630 [ 1562.534630][ T74] ip6_route_input+0x59c/0xa50 [ 1562.534630][ T74] ipv6_rcv+0x397/0x810 [ 1562.534630][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1562.534630][ T74] process_backlog+0x101/0x620 [ 1562.534630][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1562.534630][ T74] net_rx_action+0x495/0xbe0 [ 1562.534630][ T74] __do_softirq+0x1b5/0x7f6 [ 1562.534630][ T74] [ 1562.536296][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1562.536296][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1562.536296][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1562.536296][ T74] fib6_nh_init+0xa22/0x1580 [ 1562.536296][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1562.536296][ T74] ip6_route_add+0x1c/0x140 [ 1562.536296][ T74] inet6_rtm_newroute+0x104/0x110 [ 1562.536296][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1562.536296][ T74] netlink_rcv_skb+0x130/0x360 [ 1562.536296][ T74] netlink_unicast+0x449/0x710 [ 1562.536296][ T74] netlink_sendmsg+0x723/0xbe0 [ 1562.536296][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1562.536296][ T74] ___sys_sendmsg+0xee/0x170 [ 1562.536296][ T74] __sys_sendmsg+0xcd/0x170 [ 1562.536296][ T74] do_syscall_64+0xc6/0x1e0 [ 1562.536296][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1562.536296][ T74] [ 1562.538211][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1562.538211][ T74] netdev_get_by_index+0x5e/0x80 [ 1562.538211][ T74] fib6_nh_init+0x3d8/0x1580 [ 1562.538211][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1562.538211][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1562.538211][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1562.538211][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1562.538211][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1562.538211][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1562.538211][ T74] addrconf_dad_begin+0x310/0x670 [ 1562.538211][ T74] addrconf_dad_work+0x10b/0xab0 [ 1562.538211][ T74] process_one_work+0x84d/0x18a0 [ 1562.538211][ T74] worker_thread+0x587/0xd30 [ 1562.538211][ T74] kthread+0x28a/0x350 [ 1562.538211][ T74] ret_from_fork+0x31/0x70 [ 1562.538211][ T74] ret_from_fork_asm+0x1a/0x30 [ 1562.538211][ T74] [ 1562.540159][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1562.540159][ T74] netdev_get_by_index+0x5e/0x80 [ 1562.540159][ T74] fib6_nh_init+0x3d8/0x1580 [ 1562.540159][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1562.540159][ T74] ip6_route_add+0x1c/0x140 [ 1562.540159][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1562.540159][ T74] inet6_addr_add+0x4f8/0xa40 [ 1562.540159][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1562.540159][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1562.540159][ T74] netlink_rcv_skb+0x130/0x360 [ 1562.540159][ T74] netlink_unicast+0x449/0x710 [ 1562.540159][ T74] netlink_sendmsg+0x723/0xbe0 [ 1562.540159][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1562.540159][ T74] ___sys_sendmsg+0xee/0x170 [ 1562.540159][ T74] __sys_sendmsg+0xcd/0x170 [ 1562.540159][ T74] do_syscall_64+0xc6/0x1e0 [ 1562.540159][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1562.540159][ T74] [ 1562.542206][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1562.542206][ T74] netdev_get_by_index+0x5e/0x80 [ 1562.542206][ T74] fib6_nh_init+0x3d8/0x1580 [ 1562.542206][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1562.542206][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1562.542206][ T74] ipv6_add_addr+0x411/0x2000 [ 1562.542206][ T74] inet6_addr_add+0x30e/0xa40 [ 1562.542206][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1562.542206][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1562.542206][ T74] netlink_rcv_skb+0x130/0x360 [ 1562.542206][ T74] netlink_unicast+0x449/0x710 [ 1562.542206][ T74] netlink_sendmsg+0x723/0xbe0 [ 1562.542206][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1562.542206][ T74] ___sys_sendmsg+0xee/0x170 [ 1562.542206][ T74] __sys_sendmsg+0xcd/0x170 [ 1562.542206][ T74] do_syscall_64+0xc6/0x1e0 [ 1562.542206][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1562.542206][ T74] [ 1562.544237][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1562.544237][ T74] netdev_get_by_index+0x5e/0x80 [ 1562.544237][ T74] fib6_nh_init+0x3d8/0x1580 [ 1562.544237][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1562.544237][ T74] ip6_route_add+0x1c/0x140 [ 1562.544237][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1562.544237][ T74] addrconf_add_dev+0xe2/0x170 [ 1562.544237][ T74] inet6_addr_add+0x12f/0xa40 [ 1562.544237][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1562.544237][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1562.544237][ T74] netlink_rcv_skb+0x130/0x360 [ 1562.544237][ T74] netlink_unicast+0x449/0x710 [ 1562.544237][ T74] netlink_sendmsg+0x723/0xbe0 [ 1562.544237][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1562.544237][ T74] ___sys_sendmsg+0xee/0x170 [ 1562.544237][ T74] __sys_sendmsg+0xcd/0x170 [ 1562.544237][ T74] do_syscall_64+0xc6/0x1e0 [ 1562.544237][ T74] [ 1562.546235][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1562.546235][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1562.546235][ T74] ipv6_find_idev+0x102/0x170 [ 1562.546235][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1562.546235][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1562.546235][ T74] netlink_rcv_skb+0x130/0x360 [ 1562.546235][ T74] netlink_unicast+0x449/0x710 [ 1562.546235][ T74] netlink_sendmsg+0x723/0xbe0 [ 1562.546235][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1562.546235][ T74] ___sys_sendmsg+0xee/0x170 [ 1562.546235][ T74] __sys_sendmsg+0xcd/0x170 [ 1562.546235][ T74] do_syscall_64+0xc6/0x1e0 [ 1562.546235][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1562.546235][ T74] [ 1562.547993][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1562.547993][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1562.547993][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1562.547993][ T74] ipv6_find_idev+0x102/0x170 [ 1562.547993][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1562.547993][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1562.547993][ T74] netlink_rcv_skb+0x130/0x360 [ 1562.547993][ T74] netlink_unicast+0x449/0x710 [ 1562.547993][ T74] netlink_sendmsg+0x723/0xbe0 [ 1562.547993][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1562.547993][ T74] ___sys_sendmsg+0xee/0x170 [ 1562.547993][ T74] __sys_sendmsg+0xcd/0x170 [ 1562.547993][ T74] do_syscall_64+0xc6/0x1e0 [ 1562.547993][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1562.547993][ T74] [ 1562.549991][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1562.550296][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1562.550296][ T74] netdev_get_by_index+0x5e/0x80 [ 1562.550296][ T74] fib6_nh_init+0x3d8/0x1580 [ 1562.550296][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1562.550296][ T74] ip6_route_add+0x1c/0x140 [ 1562.550296][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1562.550296][ T74] inet6_addr_add+0x4f8/0xa40 [ 1562.550296][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1562.550296][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1562.550296][ T74] netlink_rcv_skb+0x130/0x360 [ 1562.550296][ T74] netlink_unicast+0x449/0x710 [ 1562.550296][ T74] netlink_sendmsg+0x723/0xbe0 [ 1562.550296][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1562.550296][ T74] ___sys_sendmsg+0xee/0x170 [ 1562.550296][ T74] __sys_sendmsg+0xcd/0x170 [ 1562.550296][ T74] do_syscall_64+0xc6/0x1e0 [ 1562.550296][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1562.550296][ T74] [ 1562.552538][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1562.552538][ T74] netdev_get_by_index+0x5e/0x80 [ 1562.552538][ T74] fib6_nh_init+0x3d8/0x1580 [ 1562.552538][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1562.552538][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1562.552538][ T74] ipv6_add_addr+0x411/0x2000 [ 1562.552538][ T74] inet6_addr_add+0x30e/0xa40 [ 1562.552538][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1562.552538][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1562.552538][ T74] netlink_rcv_skb+0x130/0x360 [ 1562.552538][ T74] netlink_unicast+0x449/0x710 [ 1562.552538][ T74] netlink_sendmsg+0x723/0xbe0 [ 1562.552538][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1562.552538][ T74] ___sys_sendmsg+0xee/0x170 [ 1562.552538][ T74] __sys_sendmsg+0xcd/0x170 [ 1562.552538][ T74] do_syscall_64+0xc6/0x1e0 [ 1562.552538][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1562.552538][ T74] [ 1562.554834][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1562.554834][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1562.554834][ T74] ipv6_find_idev+0x102/0x170 [ 1562.554834][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1562.554834][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1562.554834][ T74] netlink_rcv_skb+0x130/0x360 [ 1562.554834][ T74] netlink_unicast+0x449/0x710 [ 1562.554834][ T74] netlink_sendmsg+0x723/0xbe0 [ 1562.554834][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1562.554834][ T74] ___sys_sendmsg+0xee/0x170 [ 1562.554834][ T74] __sys_sendmsg+0xcd/0x170 [ 1562.554834][ T74] do_syscall_64+0xc6/0x1e0 [ 1562.554834][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1562.554834][ T74] [ 1562.556594][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1562.556594][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1562.556594][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1562.556594][ T74] ipv6_find_idev+0x102/0x170 [ 1562.556594][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1562.556594][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1562.556594][ T74] netlink_rcv_skb+0x130/0x360 [ 1562.556594][ T74] netlink_unicast+0x449/0x710 [ 1562.556594][ T74] netlink_sendmsg+0x723/0xbe0 [ 1562.556594][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1562.556594][ T74] ___sys_sendmsg+0xee/0x170 [ 1562.556594][ T74] __sys_sendmsg+0xcd/0x170 [ 1562.556594][ T74] do_syscall_64+0xc6/0x1e0 [ 1562.556594][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1562.556594][ T74] [ 1572.800465][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1572.801189][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1572.801189][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1572.801189][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1572.801189][ T74] fib6_nh_init+0xa22/0x1580 [ 1572.801189][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1572.801189][ T74] ip6_route_add+0x1c/0x140 [ 1572.801189][ T74] inet6_rtm_newroute+0x104/0x110 [ 1572.801189][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1572.801189][ T74] netlink_rcv_skb+0x130/0x360 [ 1572.801189][ T74] netlink_unicast+0x449/0x710 [ 1572.801189][ T74] netlink_sendmsg+0x723/0xbe0 [ 1572.801189][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1572.801189][ T74] ___sys_sendmsg+0xee/0x170 [ 1572.801189][ T74] __sys_sendmsg+0xcd/0x170 [ 1572.801189][ T74] do_syscall_64+0xc6/0x1e0 [ 1572.801189][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1572.801189][ T74] [ 1572.803615][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1572.803615][ T74] netdev_get_by_index+0x5e/0x80 [ 1572.803615][ T74] fib6_nh_init+0x3d8/0x1580 [ 1572.803615][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1572.803615][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1572.803615][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1572.803615][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1572.803615][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1572.803615][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1572.803615][ T74] addrconf_dad_begin+0x310/0x670 [ 1572.803615][ T74] addrconf_dad_work+0x10b/0xab0 [ 1572.803615][ T74] process_one_work+0x84d/0x18a0 [ 1572.803615][ T74] worker_thread+0x587/0xd30 [ 1572.803615][ T74] kthread+0x28a/0x350 [ 1572.803615][ T74] ret_from_fork+0x31/0x70 [ 1572.803615][ T74] ret_from_fork_asm+0x1a/0x30 [ 1572.803615][ T74] [ 1572.805858][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1572.805858][ T74] netdev_get_by_index+0x5e/0x80 [ 1572.805858][ T74] fib6_nh_init+0x3d8/0x1580 [ 1572.805858][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1572.805858][ T74] ip6_route_add+0x1c/0x140 [ 1572.805858][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1572.805858][ T74] inet6_addr_add+0x4f8/0xa40 [ 1572.805858][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1572.805858][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1572.805858][ T74] netlink_rcv_skb+0x130/0x360 [ 1572.805858][ T74] netlink_unicast+0x449/0x710 [ 1572.805858][ T74] netlink_sendmsg+0x723/0xbe0 [ 1572.805858][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1572.805858][ T74] ___sys_sendmsg+0xee/0x170 [ 1572.805858][ T74] __sys_sendmsg+0xcd/0x170 [ 1572.805858][ T74] do_syscall_64+0xc6/0x1e0 [ 1572.805858][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1572.805858][ T74] [ 1572.808161][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1572.808161][ T74] netdev_get_by_index+0x5e/0x80 [ 1572.808161][ T74] fib6_nh_init+0x3d8/0x1580 [ 1572.808161][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1572.808161][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1572.808161][ T74] ipv6_add_addr+0x411/0x2000 [ 1572.808161][ T74] inet6_addr_add+0x30e/0xa40 [ 1572.808161][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1572.808161][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1572.808161][ T74] netlink_rcv_skb+0x130/0x360 [ 1572.808161][ T74] netlink_unicast+0x449/0x710 [ 1572.808161][ T74] netlink_sendmsg+0x723/0xbe0 [ 1572.808161][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1572.808161][ T74] ___sys_sendmsg+0xee/0x170 [ 1572.808161][ T74] __sys_sendmsg+0xcd/0x170 [ 1572.808161][ T74] do_syscall_64+0xc6/0x1e0 [ 1572.808161][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1572.808161][ T74] [ 1572.810505][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1572.810505][ T74] netdev_get_by_index+0x5e/0x80 [ 1572.810505][ T74] fib6_nh_init+0x3d8/0x1580 [ 1572.810505][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1572.810505][ T74] ip6_route_add+0x1c/0x140 [ 1572.810505][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1572.810505][ T74] addrconf_add_dev+0xe2/0x170 [ 1572.810505][ T74] inet6_addr_add+0x12f/0xa40 [ 1572.810505][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1572.810505][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1572.810505][ T74] netlink_rcv_skb+0x130/0x360 [ 1572.810505][ T74] netlink_unicast+0x449/0x710 [ 1572.810505][ T74] netlink_sendmsg+0x723/0xbe0 [ 1572.810505][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1572.810505][ T74] ___sys_sendmsg+0xee/0x170 [ 1572.810505][ T74] __sys_sendmsg+0xcd/0x170 [ 1572.810505][ T74] do_syscall_64+0xc6/0x1e0 [ 1572.810505][ T74] [ 1572.812776][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1572.812776][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1572.812776][ T74] ipv6_find_idev+0x102/0x170 [ 1572.812776][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1572.812776][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1572.812776][ T74] netlink_rcv_skb+0x130/0x360 [ 1572.812776][ T74] netlink_unicast+0x449/0x710 [ 1572.812776][ T74] netlink_sendmsg+0x723/0xbe0 [ 1572.812776][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1572.812776][ T74] ___sys_sendmsg+0xee/0x170 [ 1572.812776][ T74] __sys_sendmsg+0xcd/0x170 [ 1572.812776][ T74] do_syscall_64+0xc6/0x1e0 [ 1572.812776][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1572.812776][ T74] [ 1572.814557][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1572.814557][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1572.814557][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1572.814557][ T74] ipv6_find_idev+0x102/0x170 [ 1572.814557][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1572.814557][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1572.814557][ T74] netlink_rcv_skb+0x130/0x360 [ 1572.814557][ T74] netlink_unicast+0x449/0x710 [ 1572.814557][ T74] netlink_sendmsg+0x723/0xbe0 [ 1572.814557][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1572.814557][ T74] ___sys_sendmsg+0xee/0x170 [ 1572.814557][ T74] __sys_sendmsg+0xcd/0x170 [ 1572.814557][ T74] do_syscall_64+0xc6/0x1e0 [ 1572.814557][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1572.814557][ T74] [ 1572.816555][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1572.817010][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1572.817010][ T74] dst_init+0x84/0x4a0 [ 1572.817010][ T74] dst_alloc+0x97/0x150 [ 1572.817010][ T74] ip6_dst_alloc+0x23/0x90 [ 1572.817010][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1572.817010][ T74] ip6_pol_route+0x56f/0x840 [ 1572.817010][ T74] fib6_rule_lookup+0x456/0x630 [ 1572.817010][ T74] ip6_route_input+0x59c/0xa50 [ 1572.817010][ T74] ipv6_rcv+0x397/0x810 [ 1572.817010][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1572.817010][ T74] process_backlog+0x101/0x620 [ 1572.817010][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1572.817010][ T74] net_rx_action+0x495/0xbe0 [ 1572.817010][ T74] __do_softirq+0x1b5/0x7f6 [ 1572.817010][ T74] [ 1572.818939][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1572.818939][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1572.818939][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1572.818939][ T74] fib6_nh_init+0xa22/0x1580 [ 1572.818939][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1572.818939][ T74] ip6_route_add+0x1c/0x140 [ 1572.818939][ T74] inet6_rtm_newroute+0x104/0x110 [ 1572.818939][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1572.818939][ T74] netlink_rcv_skb+0x130/0x360 [ 1572.818939][ T74] netlink_unicast+0x449/0x710 [ 1572.818939][ T74] netlink_sendmsg+0x723/0xbe0 [ 1572.818939][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1572.818939][ T74] ___sys_sendmsg+0xee/0x170 [ 1572.818939][ T74] __sys_sendmsg+0xcd/0x170 [ 1572.818939][ T74] do_syscall_64+0xc6/0x1e0 [ 1572.818939][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1572.818939][ T74] [ 1572.821111][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1572.821111][ T74] netdev_get_by_index+0x5e/0x80 [ 1572.821111][ T74] fib6_nh_init+0x3d8/0x1580 [ 1572.821111][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1572.821111][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1572.821111][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1572.821111][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1572.821111][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1572.821111][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1572.821111][ T74] addrconf_dad_begin+0x310/0x670 [ 1572.821111][ T74] addrconf_dad_work+0x10b/0xab0 [ 1572.821111][ T74] process_one_work+0x84d/0x18a0 [ 1572.821111][ T74] worker_thread+0x587/0xd30 [ 1572.821111][ T74] kthread+0x28a/0x350 [ 1572.821111][ T74] ret_from_fork+0x31/0x70 [ 1572.821111][ T74] ret_from_fork_asm+0x1a/0x30 [ 1572.821111][ T74] [ 1572.823321][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1572.823321][ T74] netdev_get_by_index+0x5e/0x80 [ 1572.823321][ T74] fib6_nh_init+0x3d8/0x1580 [ 1572.823321][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1572.823321][ T74] ip6_route_add+0x1c/0x140 [ 1572.823321][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1572.823321][ T74] inet6_addr_add+0x4f8/0xa40 [ 1572.823321][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1572.823321][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1572.823321][ T74] netlink_rcv_skb+0x130/0x360 [ 1572.823321][ T74] netlink_unicast+0x449/0x710 [ 1572.823321][ T74] netlink_sendmsg+0x723/0xbe0 [ 1572.823321][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1572.823321][ T74] ___sys_sendmsg+0xee/0x170 [ 1572.823321][ T74] __sys_sendmsg+0xcd/0x170 [ 1572.823321][ T74] do_syscall_64+0xc6/0x1e0 [ 1572.823321][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1572.823321][ T74] [ 1572.825668][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1572.825668][ T74] netdev_get_by_index+0x5e/0x80 [ 1572.825668][ T74] fib6_nh_init+0x3d8/0x1580 [ 1572.825668][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1572.825668][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1572.825668][ T74] ipv6_add_addr+0x411/0x2000 [ 1572.825668][ T74] inet6_addr_add+0x30e/0xa40 [ 1572.825668][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1572.825668][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1572.825668][ T74] netlink_rcv_skb+0x130/0x360 [ 1572.825668][ T74] netlink_unicast+0x449/0x710 [ 1572.825668][ T74] netlink_sendmsg+0x723/0xbe0 [ 1572.825668][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1572.825668][ T74] ___sys_sendmsg+0xee/0x170 [ 1572.825668][ T74] __sys_sendmsg+0xcd/0x170 [ 1572.825668][ T74] do_syscall_64+0xc6/0x1e0 [ 1572.825668][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1572.825668][ T74] [ 1572.827954][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1572.827954][ T74] netdev_get_by_index+0x5e/0x80 [ 1572.827954][ T74] fib6_nh_init+0x3d8/0x1580 [ 1572.827954][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1572.827954][ T74] ip6_route_add+0x1c/0x140 [ 1572.827954][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1572.827954][ T74] addrconf_add_dev+0xe2/0x170 [ 1572.827954][ T74] inet6_addr_add+0x12f/0xa40 [ 1572.827954][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1572.827954][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1572.827954][ T74] netlink_rcv_skb+0x130/0x360 [ 1572.827954][ T74] netlink_unicast+0x449/0x710 [ 1572.827954][ T74] netlink_sendmsg+0x723/0xbe0 [ 1572.827954][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1572.827954][ T74] ___sys_sendmsg+0xee/0x170 [ 1572.827954][ T74] __sys_sendmsg+0xcd/0x170 [ 1572.827954][ T74] do_syscall_64+0xc6/0x1e0 [ 1572.827954][ T74] [ 1572.830230][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1572.830230][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1572.830230][ T74] ipv6_find_idev+0x102/0x170 [ 1572.830230][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1572.830230][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1572.830230][ T74] netlink_rcv_skb+0x130/0x360 [ 1572.830230][ T74] netlink_unicast+0x449/0x710 [ 1572.830230][ T74] netlink_sendmsg+0x723/0xbe0 [ 1572.830230][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1572.830230][ T74] ___sys_sendmsg+0xee/0x170 [ 1572.830230][ T74] __sys_sendmsg+0xcd/0x170 [ 1572.830230][ T74] do_syscall_64+0xc6/0x1e0 [ 1572.830230][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1572.830230][ T74] [ 1572.832232][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1572.832232][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1572.832232][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1572.832232][ T74] ipv6_find_idev+0x102/0x170 [ 1572.832232][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1572.832232][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1572.832232][ T74] netlink_rcv_skb+0x130/0x360 [ 1572.832232][ T74] netlink_unicast+0x449/0x710 [ 1572.832232][ T74] netlink_sendmsg+0x723/0xbe0 [ 1572.832232][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1572.832232][ T74] ___sys_sendmsg+0xee/0x170 [ 1572.832232][ T74] __sys_sendmsg+0xcd/0x170 [ 1572.832232][ T74] do_syscall_64+0xc6/0x1e0 [ 1572.832232][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1572.832232][ T74] [ 1572.834445][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1572.834788][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1572.834788][ T74] netdev_get_by_index+0x5e/0x80 [ 1572.834788][ T74] fib6_nh_init+0x3d8/0x1580 [ 1572.834788][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1572.834788][ T74] ip6_route_add+0x1c/0x140 [ 1572.834788][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1572.834788][ T74] inet6_addr_add+0x4f8/0xa40 [ 1572.834788][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1572.834788][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1572.834788][ T74] netlink_rcv_skb+0x130/0x360 [ 1572.834788][ T74] netlink_unicast+0x449/0x710 [ 1572.834788][ T74] netlink_sendmsg+0x723/0xbe0 [ 1572.834788][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1572.834788][ T74] ___sys_sendmsg+0xee/0x170 [ 1572.834788][ T74] __sys_sendmsg+0xcd/0x170 [ 1572.834788][ T74] do_syscall_64+0xc6/0x1e0 [ 1572.834788][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1572.834788][ T74] [ 1572.837297][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1572.837297][ T74] netdev_get_by_index+0x5e/0x80 [ 1572.837297][ T74] fib6_nh_init+0x3d8/0x1580 [ 1572.837297][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1572.837297][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1572.837297][ T74] ipv6_add_addr+0x411/0x2000 [ 1572.837297][ T74] inet6_addr_add+0x30e/0xa40 [ 1572.837297][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1572.837297][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1572.837297][ T74] netlink_rcv_skb+0x130/0x360 [ 1572.837297][ T74] netlink_unicast+0x449/0x710 [ 1572.837297][ T74] netlink_sendmsg+0x723/0xbe0 [ 1572.837297][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1572.837297][ T74] ___sys_sendmsg+0xee/0x170 [ 1572.837297][ T74] __sys_sendmsg+0xcd/0x170 [ 1572.837297][ T74] do_syscall_64+0xc6/0x1e0 [ 1572.837297][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1572.837297][ T74] [ 1572.839867][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1572.839867][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1572.839867][ T74] ipv6_find_idev+0x102/0x170 [ 1572.839867][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1572.839867][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1572.839867][ T74] netlink_rcv_skb+0x130/0x360 [ 1572.839867][ T74] netlink_unicast+0x449/0x710 [ 1572.839867][ T74] netlink_sendmsg+0x723/0xbe0 [ 1572.839867][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1572.839867][ T74] ___sys_sendmsg+0xee/0x170 [ 1572.839867][ T74] __sys_sendmsg+0xcd/0x170 [ 1572.839867][ T74] do_syscall_64+0xc6/0x1e0 [ 1572.839867][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1572.839867][ T74] [ 1572.841724][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1572.841724][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1572.841724][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1572.841724][ T74] ipv6_find_idev+0x102/0x170 [ 1572.841724][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1572.841724][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1572.841724][ T74] netlink_rcv_skb+0x130/0x360 [ 1572.841724][ T74] netlink_unicast+0x449/0x710 [ 1572.841724][ T74] netlink_sendmsg+0x723/0xbe0 [ 1572.841724][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1572.841724][ T74] ___sys_sendmsg+0xee/0x170 [ 1572.841724][ T74] __sys_sendmsg+0xcd/0x170 [ 1572.841724][ T74] do_syscall_64+0xc6/0x1e0 [ 1572.841724][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1572.841724][ T74] [ 1583.079944][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1583.080578][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1583.080578][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1583.080578][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1583.080578][ T74] fib6_nh_init+0xa22/0x1580 [ 1583.080578][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1583.080578][ T74] ip6_route_add+0x1c/0x140 [ 1583.080578][ T74] inet6_rtm_newroute+0x104/0x110 [ 1583.080578][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1583.080578][ T74] netlink_rcv_skb+0x130/0x360 [ 1583.080578][ T74] netlink_unicast+0x449/0x710 [ 1583.080578][ T74] netlink_sendmsg+0x723/0xbe0 [ 1583.080578][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1583.080578][ T74] ___sys_sendmsg+0xee/0x170 [ 1583.080578][ T74] __sys_sendmsg+0xcd/0x170 [ 1583.080578][ T74] do_syscall_64+0xc6/0x1e0 [ 1583.080578][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1583.080578][ T74] [ 1583.082728][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1583.082728][ T74] netdev_get_by_index+0x5e/0x80 [ 1583.082728][ T74] fib6_nh_init+0x3d8/0x1580 [ 1583.082728][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1583.082728][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1583.082728][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1583.082728][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1583.082728][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1583.082728][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1583.082728][ T74] addrconf_dad_begin+0x310/0x670 [ 1583.082728][ T74] addrconf_dad_work+0x10b/0xab0 [ 1583.082728][ T74] process_one_work+0x84d/0x18a0 [ 1583.082728][ T74] worker_thread+0x587/0xd30 [ 1583.082728][ T74] kthread+0x28a/0x350 [ 1583.082728][ T74] ret_from_fork+0x31/0x70 [ 1583.082728][ T74] ret_from_fork_asm+0x1a/0x30 [ 1583.082728][ T74] [ 1583.084694][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1583.084694][ T74] netdev_get_by_index+0x5e/0x80 [ 1583.084694][ T74] fib6_nh_init+0x3d8/0x1580 [ 1583.084694][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1583.084694][ T74] ip6_route_add+0x1c/0x140 [ 1583.084694][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1583.084694][ T74] inet6_addr_add+0x4f8/0xa40 [ 1583.084694][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1583.084694][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1583.084694][ T74] netlink_rcv_skb+0x130/0x360 [ 1583.084694][ T74] netlink_unicast+0x449/0x710 [ 1583.084694][ T74] netlink_sendmsg+0x723/0xbe0 [ 1583.084694][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1583.084694][ T74] ___sys_sendmsg+0xee/0x170 [ 1583.084694][ T74] __sys_sendmsg+0xcd/0x170 [ 1583.084694][ T74] do_syscall_64+0xc6/0x1e0 [ 1583.084694][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1583.084694][ T74] [ 1583.086740][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1583.086740][ T74] netdev_get_by_index+0x5e/0x80 [ 1583.086740][ T74] fib6_nh_init+0x3d8/0x1580 [ 1583.086740][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1583.086740][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1583.086740][ T74] ipv6_add_addr+0x411/0x2000 [ 1583.086740][ T74] inet6_addr_add+0x30e/0xa40 [ 1583.086740][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1583.086740][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1583.086740][ T74] netlink_rcv_skb+0x130/0x360 [ 1583.086740][ T74] netlink_unicast+0x449/0x710 [ 1583.086740][ T74] netlink_sendmsg+0x723/0xbe0 [ 1583.086740][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1583.086740][ T74] ___sys_sendmsg+0xee/0x170 [ 1583.086740][ T74] __sys_sendmsg+0xcd/0x170 [ 1583.086740][ T74] do_syscall_64+0xc6/0x1e0 [ 1583.086740][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1583.086740][ T74] [ 1583.088793][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1583.088793][ T74] netdev_get_by_index+0x5e/0x80 [ 1583.088793][ T74] fib6_nh_init+0x3d8/0x1580 [ 1583.088793][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1583.088793][ T74] ip6_route_add+0x1c/0x140 [ 1583.088793][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1583.088793][ T74] addrconf_add_dev+0xe2/0x170 [ 1583.088793][ T74] inet6_addr_add+0x12f/0xa40 [ 1583.088793][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1583.088793][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1583.088793][ T74] netlink_rcv_skb+0x130/0x360 [ 1583.088793][ T74] netlink_unicast+0x449/0x710 [ 1583.088793][ T74] netlink_sendmsg+0x723/0xbe0 [ 1583.088793][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1583.088793][ T74] ___sys_sendmsg+0xee/0x170 [ 1583.088793][ T74] __sys_sendmsg+0xcd/0x170 [ 1583.088793][ T74] do_syscall_64+0xc6/0x1e0 [ 1583.088793][ T74] [ 1583.090795][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1583.090795][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1583.090795][ T74] ipv6_find_idev+0x102/0x170 [ 1583.090795][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1583.090795][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1583.090795][ T74] netlink_rcv_skb+0x130/0x360 [ 1583.090795][ T74] netlink_unicast+0x449/0x710 [ 1583.090795][ T74] netlink_sendmsg+0x723/0xbe0 [ 1583.090795][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1583.090795][ T74] ___sys_sendmsg+0xee/0x170 [ 1583.090795][ T74] __sys_sendmsg+0xcd/0x170 [ 1583.090795][ T74] do_syscall_64+0xc6/0x1e0 [ 1583.090795][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1583.090795][ T74] [ 1583.092400][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1583.092400][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1583.092400][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1583.092400][ T74] ipv6_find_idev+0x102/0x170 [ 1583.092400][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1583.092400][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1583.092400][ T74] netlink_rcv_skb+0x130/0x360 [ 1583.092400][ T74] netlink_unicast+0x449/0x710 [ 1583.092400][ T74] netlink_sendmsg+0x723/0xbe0 [ 1583.092400][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1583.092400][ T74] ___sys_sendmsg+0xee/0x170 [ 1583.092400][ T74] __sys_sendmsg+0xcd/0x170 [ 1583.092400][ T74] do_syscall_64+0xc6/0x1e0 [ 1583.092400][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1583.092400][ T74] [ 1583.094164][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1583.094469][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1583.094469][ T74] dst_init+0x84/0x4a0 [ 1583.094469][ T74] dst_alloc+0x97/0x150 [ 1583.094469][ T74] ip6_dst_alloc+0x23/0x90 [ 1583.094469][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1583.094469][ T74] ip6_pol_route+0x56f/0x840 [ 1583.094469][ T74] fib6_rule_lookup+0x456/0x630 [ 1583.094469][ T74] ip6_route_input+0x59c/0xa50 [ 1583.094469][ T74] ipv6_rcv+0x397/0x810 [ 1583.094469][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1583.094469][ T74] process_backlog+0x101/0x620 [ 1583.094469][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1583.094469][ T74] net_rx_action+0x495/0xbe0 [ 1583.094469][ T74] __do_softirq+0x1b5/0x7f6 [ 1583.094469][ T74] [ 1583.096135][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1583.096135][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1583.096135][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1583.096135][ T74] fib6_nh_init+0xa22/0x1580 [ 1583.096135][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1583.096135][ T74] ip6_route_add+0x1c/0x140 [ 1583.096135][ T74] inet6_rtm_newroute+0x104/0x110 [ 1583.096135][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1583.096135][ T74] netlink_rcv_skb+0x130/0x360 [ 1583.096135][ T74] netlink_unicast+0x449/0x710 [ 1583.096135][ T74] netlink_sendmsg+0x723/0xbe0 [ 1583.096135][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1583.096135][ T74] ___sys_sendmsg+0xee/0x170 [ 1583.096135][ T74] __sys_sendmsg+0xcd/0x170 [ 1583.096135][ T74] do_syscall_64+0xc6/0x1e0 [ 1583.096135][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1583.096135][ T74] [ 1583.098126][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1583.098126][ T74] netdev_get_by_index+0x5e/0x80 [ 1583.098126][ T74] fib6_nh_init+0x3d8/0x1580 [ 1583.098126][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1583.098126][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1583.098126][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1583.098126][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1583.098126][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1583.098126][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1583.098126][ T74] addrconf_dad_begin+0x310/0x670 [ 1583.098126][ T74] addrconf_dad_work+0x10b/0xab0 [ 1583.098126][ T74] process_one_work+0x84d/0x18a0 [ 1583.098126][ T74] worker_thread+0x587/0xd30 [ 1583.098126][ T74] kthread+0x28a/0x350 [ 1583.098126][ T74] ret_from_fork+0x31/0x70 [ 1583.098126][ T74] ret_from_fork_asm+0x1a/0x30 [ 1583.098126][ T74] [ 1583.100089][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1583.100089][ T74] netdev_get_by_index+0x5e/0x80 [ 1583.100089][ T74] fib6_nh_init+0x3d8/0x1580 [ 1583.100089][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1583.100089][ T74] ip6_route_add+0x1c/0x140 [ 1583.100089][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1583.100089][ T74] inet6_addr_add+0x4f8/0xa40 [ 1583.100089][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1583.100089][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1583.100089][ T74] netlink_rcv_skb+0x130/0x360 [ 1583.100089][ T74] netlink_unicast+0x449/0x710 [ 1583.100089][ T74] netlink_sendmsg+0x723/0xbe0 [ 1583.100089][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1583.100089][ T74] ___sys_sendmsg+0xee/0x170 [ 1583.100089][ T74] __sys_sendmsg+0xcd/0x170 [ 1583.100089][ T74] do_syscall_64+0xc6/0x1e0 [ 1583.100089][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1583.100089][ T74] [ 1583.102176][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1583.102176][ T74] netdev_get_by_index+0x5e/0x80 [ 1583.102176][ T74] fib6_nh_init+0x3d8/0x1580 [ 1583.102176][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1583.102176][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1583.102176][ T74] ipv6_add_addr+0x411/0x2000 [ 1583.102176][ T74] inet6_addr_add+0x30e/0xa40 [ 1583.102176][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1583.102176][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1583.102176][ T74] netlink_rcv_skb+0x130/0x360 [ 1583.102176][ T74] netlink_unicast+0x449/0x710 [ 1583.102176][ T74] netlink_sendmsg+0x723/0xbe0 [ 1583.102176][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1583.102176][ T74] ___sys_sendmsg+0xee/0x170 [ 1583.102176][ T74] __sys_sendmsg+0xcd/0x170 [ 1583.102176][ T74] do_syscall_64+0xc6/0x1e0 [ 1583.102176][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1583.102176][ T74] [ 1583.104228][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1583.104228][ T74] netdev_get_by_index+0x5e/0x80 [ 1583.104228][ T74] fib6_nh_init+0x3d8/0x1580 [ 1583.104228][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1583.104228][ T74] ip6_route_add+0x1c/0x140 [ 1583.104228][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1583.104228][ T74] addrconf_add_dev+0xe2/0x170 [ 1583.104228][ T74] inet6_addr_add+0x12f/0xa40 [ 1583.104228][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1583.104228][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1583.104228][ T74] netlink_rcv_skb+0x130/0x360 [ 1583.104228][ T74] netlink_unicast+0x449/0x710 [ 1583.104228][ T74] netlink_sendmsg+0x723/0xbe0 [ 1583.104228][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1583.104228][ T74] ___sys_sendmsg+0xee/0x170 [ 1583.104228][ T74] __sys_sendmsg+0xcd/0x170 [ 1583.104228][ T74] do_syscall_64+0xc6/0x1e0 [ 1583.104228][ T74] [ 1583.106254][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1583.106254][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1583.106254][ T74] ipv6_find_idev+0x102/0x170 [ 1583.106254][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1583.106254][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1583.106254][ T74] netlink_rcv_skb+0x130/0x360 [ 1583.106254][ T74] netlink_unicast+0x449/0x710 [ 1583.106254][ T74] netlink_sendmsg+0x723/0xbe0 [ 1583.106254][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1583.106254][ T74] ___sys_sendmsg+0xee/0x170 [ 1583.106254][ T74] __sys_sendmsg+0xcd/0x170 [ 1583.106254][ T74] do_syscall_64+0xc6/0x1e0 [ 1583.106254][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1583.106254][ T74] [ 1583.108052][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1583.108052][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1583.108052][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1583.108052][ T74] ipv6_find_idev+0x102/0x170 [ 1583.108052][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1583.108052][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1583.108052][ T74] netlink_rcv_skb+0x130/0x360 [ 1583.108052][ T74] netlink_unicast+0x449/0x710 [ 1583.108052][ T74] netlink_sendmsg+0x723/0xbe0 [ 1583.108052][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1583.108052][ T74] ___sys_sendmsg+0xee/0x170 [ 1583.108052][ T74] __sys_sendmsg+0xcd/0x170 [ 1583.108052][ T74] do_syscall_64+0xc6/0x1e0 [ 1583.108052][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1583.108052][ T74] [ 1583.110081][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1583.110431][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1583.110431][ T74] netdev_get_by_index+0x5e/0x80 [ 1583.110431][ T74] fib6_nh_init+0x3d8/0x1580 [ 1583.110431][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1583.110431][ T74] ip6_route_add+0x1c/0x140 [ 1583.110431][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1583.110431][ T74] inet6_addr_add+0x4f8/0xa40 [ 1583.110431][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1583.110431][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1583.110431][ T74] netlink_rcv_skb+0x130/0x360 [ 1583.110431][ T74] netlink_unicast+0x449/0x710 [ 1583.110431][ T74] netlink_sendmsg+0x723/0xbe0 [ 1583.110431][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1583.110431][ T74] ___sys_sendmsg+0xee/0x170 [ 1583.110431][ T74] __sys_sendmsg+0xcd/0x170 [ 1583.110431][ T74] do_syscall_64+0xc6/0x1e0 [ 1583.110431][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1583.110431][ T74] [ 1583.112708][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1583.112708][ T74] netdev_get_by_index+0x5e/0x80 [ 1583.112708][ T74] fib6_nh_init+0x3d8/0x1580 [ 1583.112708][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1583.112708][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1583.112708][ T74] ipv6_add_addr+0x411/0x2000 [ 1583.112708][ T74] inet6_addr_add+0x30e/0xa40 [ 1583.112708][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1583.112708][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1583.112708][ T74] netlink_rcv_skb+0x130/0x360 [ 1583.112708][ T74] netlink_unicast+0x449/0x710 [ 1583.112708][ T74] netlink_sendmsg+0x723/0xbe0 [ 1583.112708][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1583.112708][ T74] ___sys_sendmsg+0xee/0x170 [ 1583.112708][ T74] __sys_sendmsg+0xcd/0x170 [ 1583.112708][ T74] do_syscall_64+0xc6/0x1e0 [ 1583.112708][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1583.112708][ T74] [ 1583.114982][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1583.114982][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1583.114982][ T74] ipv6_find_idev+0x102/0x170 [ 1583.114982][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1583.114982][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1583.114982][ T74] netlink_rcv_skb+0x130/0x360 [ 1583.114982][ T74] netlink_unicast+0x449/0x710 [ 1583.114982][ T74] netlink_sendmsg+0x723/0xbe0 [ 1583.114982][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1583.114982][ T74] ___sys_sendmsg+0xee/0x170 [ 1583.114982][ T74] __sys_sendmsg+0xcd/0x170 [ 1583.114982][ T74] do_syscall_64+0xc6/0x1e0 [ 1583.114982][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1583.114982][ T74] [ 1583.116733][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1583.116733][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1583.116733][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1583.116733][ T74] ipv6_find_idev+0x102/0x170 [ 1583.116733][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1583.116733][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1583.116733][ T74] netlink_rcv_skb+0x130/0x360 [ 1583.116733][ T74] netlink_unicast+0x449/0x710 [ 1583.116733][ T74] netlink_sendmsg+0x723/0xbe0 [ 1583.116733][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1583.116733][ T74] ___sys_sendmsg+0xee/0x170 [ 1583.116733][ T74] __sys_sendmsg+0xcd/0x170 [ 1583.116733][ T74] do_syscall_64+0xc6/0x1e0 [ 1583.116733][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1583.116733][ T74] [ 1593.360000][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1593.360473][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1593.360473][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1593.360473][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1593.360473][ T74] fib6_nh_init+0xa22/0x1580 [ 1593.360473][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1593.360473][ T74] ip6_route_add+0x1c/0x140 [ 1593.360473][ T74] inet6_rtm_newroute+0x104/0x110 [ 1593.360473][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1593.360473][ T74] netlink_rcv_skb+0x130/0x360 [ 1593.360473][ T74] netlink_unicast+0x449/0x710 [ 1593.360473][ T74] netlink_sendmsg+0x723/0xbe0 [ 1593.360473][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1593.360473][ T74] ___sys_sendmsg+0xee/0x170 [ 1593.360473][ T74] __sys_sendmsg+0xcd/0x170 [ 1593.360473][ T74] do_syscall_64+0xc6/0x1e0 [ 1593.360473][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1593.360473][ T74] [ 1593.362442][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1593.362442][ T74] netdev_get_by_index+0x5e/0x80 [ 1593.362442][ T74] fib6_nh_init+0x3d8/0x1580 [ 1593.362442][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1593.362442][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1593.362442][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1593.362442][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1593.362442][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1593.362442][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1593.362442][ T74] addrconf_dad_begin+0x310/0x670 [ 1593.362442][ T74] addrconf_dad_work+0x10b/0xab0 [ 1593.362442][ T74] process_one_work+0x84d/0x18a0 [ 1593.362442][ T74] worker_thread+0x587/0xd30 [ 1593.362442][ T74] kthread+0x28a/0x350 [ 1593.362442][ T74] ret_from_fork+0x31/0x70 [ 1593.362442][ T74] ret_from_fork_asm+0x1a/0x30 [ 1593.362442][ T74] [ 1593.364386][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1593.364386][ T74] netdev_get_by_index+0x5e/0x80 [ 1593.364386][ T74] fib6_nh_init+0x3d8/0x1580 [ 1593.364386][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1593.364386][ T74] ip6_route_add+0x1c/0x140 [ 1593.364386][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1593.364386][ T74] inet6_addr_add+0x4f8/0xa40 [ 1593.364386][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1593.364386][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1593.364386][ T74] netlink_rcv_skb+0x130/0x360 [ 1593.364386][ T74] netlink_unicast+0x449/0x710 [ 1593.364386][ T74] netlink_sendmsg+0x723/0xbe0 [ 1593.364386][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1593.364386][ T74] ___sys_sendmsg+0xee/0x170 [ 1593.364386][ T74] __sys_sendmsg+0xcd/0x170 [ 1593.364386][ T74] do_syscall_64+0xc6/0x1e0 [ 1593.364386][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1593.364386][ T74] [ 1593.366424][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1593.366424][ T74] netdev_get_by_index+0x5e/0x80 [ 1593.366424][ T74] fib6_nh_init+0x3d8/0x1580 [ 1593.366424][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1593.366424][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1593.366424][ T74] ipv6_add_addr+0x411/0x2000 [ 1593.366424][ T74] inet6_addr_add+0x30e/0xa40 [ 1593.366424][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1593.366424][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1593.366424][ T74] netlink_rcv_skb+0x130/0x360 [ 1593.366424][ T74] netlink_unicast+0x449/0x710 [ 1593.366424][ T74] netlink_sendmsg+0x723/0xbe0 [ 1593.366424][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1593.366424][ T74] ___sys_sendmsg+0xee/0x170 [ 1593.366424][ T74] __sys_sendmsg+0xcd/0x170 [ 1593.366424][ T74] do_syscall_64+0xc6/0x1e0 [ 1593.366424][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1593.366424][ T74] [ 1593.368453][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1593.368453][ T74] netdev_get_by_index+0x5e/0x80 [ 1593.368453][ T74] fib6_nh_init+0x3d8/0x1580 [ 1593.368453][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1593.368453][ T74] ip6_route_add+0x1c/0x140 [ 1593.368453][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1593.368453][ T74] addrconf_add_dev+0xe2/0x170 [ 1593.368453][ T74] inet6_addr_add+0x12f/0xa40 [ 1593.368453][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1593.368453][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1593.368453][ T74] netlink_rcv_skb+0x130/0x360 [ 1593.368453][ T74] netlink_unicast+0x449/0x710 [ 1593.368453][ T74] netlink_sendmsg+0x723/0xbe0 [ 1593.368453][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1593.368453][ T74] ___sys_sendmsg+0xee/0x170 [ 1593.368453][ T74] __sys_sendmsg+0xcd/0x170 [ 1593.368453][ T74] do_syscall_64+0xc6/0x1e0 [ 1593.368453][ T74] [ 1593.370457][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1593.370457][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1593.370457][ T74] ipv6_find_idev+0x102/0x170 [ 1593.370457][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1593.370457][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1593.370457][ T74] netlink_rcv_skb+0x130/0x360 [ 1593.370457][ T74] netlink_unicast+0x449/0x710 [ 1593.370457][ T74] netlink_sendmsg+0x723/0xbe0 [ 1593.370457][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1593.370457][ T74] ___sys_sendmsg+0xee/0x170 [ 1593.370457][ T74] __sys_sendmsg+0xcd/0x170 [ 1593.370457][ T74] do_syscall_64+0xc6/0x1e0 [ 1593.370457][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1593.370457][ T74] [ 1593.372021][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1593.372021][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1593.372021][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1593.372021][ T74] ipv6_find_idev+0x102/0x170 [ 1593.372021][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1593.372021][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1593.372021][ T74] netlink_rcv_skb+0x130/0x360 [ 1593.372021][ T74] netlink_unicast+0x449/0x710 [ 1593.372021][ T74] netlink_sendmsg+0x723/0xbe0 [ 1593.372021][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1593.372021][ T74] ___sys_sendmsg+0xee/0x170 [ 1593.372021][ T74] __sys_sendmsg+0xcd/0x170 [ 1593.372021][ T74] do_syscall_64+0xc6/0x1e0 [ 1593.372021][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1593.372021][ T74] [ 1593.373775][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1593.374071][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1593.374071][ T74] dst_init+0x84/0x4a0 [ 1593.374071][ T74] dst_alloc+0x97/0x150 [ 1593.374071][ T74] ip6_dst_alloc+0x23/0x90 [ 1593.374071][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1593.374071][ T74] ip6_pol_route+0x56f/0x840 [ 1593.374071][ T74] fib6_rule_lookup+0x456/0x630 [ 1593.374071][ T74] ip6_route_input+0x59c/0xa50 [ 1593.374071][ T74] ipv6_rcv+0x397/0x810 [ 1593.374071][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1593.374071][ T74] process_backlog+0x101/0x620 [ 1593.374071][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1593.374071][ T74] net_rx_action+0x495/0xbe0 [ 1593.374071][ T74] __do_softirq+0x1b5/0x7f6 [ 1593.374071][ T74] [ 1593.375731][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1593.375731][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1593.375731][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1593.375731][ T74] fib6_nh_init+0xa22/0x1580 [ 1593.375731][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1593.375731][ T74] ip6_route_add+0x1c/0x140 [ 1593.375731][ T74] inet6_rtm_newroute+0x104/0x110 [ 1593.375731][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1593.375731][ T74] netlink_rcv_skb+0x130/0x360 [ 1593.375731][ T74] netlink_unicast+0x449/0x710 [ 1593.375731][ T74] netlink_sendmsg+0x723/0xbe0 [ 1593.375731][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1593.375731][ T74] ___sys_sendmsg+0xee/0x170 [ 1593.375731][ T74] __sys_sendmsg+0xcd/0x170 [ 1593.375731][ T74] do_syscall_64+0xc6/0x1e0 [ 1593.375731][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1593.375731][ T74] [ 1593.377647][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1593.377647][ T74] netdev_get_by_index+0x5e/0x80 [ 1593.377647][ T74] fib6_nh_init+0x3d8/0x1580 [ 1593.377647][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1593.377647][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1593.377647][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1593.377647][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1593.377647][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1593.377647][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1593.377647][ T74] addrconf_dad_begin+0x310/0x670 [ 1593.377647][ T74] addrconf_dad_work+0x10b/0xab0 [ 1593.377647][ T74] process_one_work+0x84d/0x18a0 [ 1593.377647][ T74] worker_thread+0x587/0xd30 [ 1593.377647][ T74] kthread+0x28a/0x350 [ 1593.377647][ T74] ret_from_fork+0x31/0x70 [ 1593.377647][ T74] ret_from_fork_asm+0x1a/0x30 [ 1593.377647][ T74] [ 1593.379584][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1593.379584][ T74] netdev_get_by_index+0x5e/0x80 [ 1593.379584][ T74] fib6_nh_init+0x3d8/0x1580 [ 1593.379584][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1593.379584][ T74] ip6_route_add+0x1c/0x140 [ 1593.379584][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1593.379584][ T74] inet6_addr_add+0x4f8/0xa40 [ 1593.379584][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1593.379584][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1593.379584][ T74] netlink_rcv_skb+0x130/0x360 [ 1593.379584][ T74] netlink_unicast+0x449/0x710 [ 1593.379584][ T74] netlink_sendmsg+0x723/0xbe0 [ 1593.379584][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1593.379584][ T74] ___sys_sendmsg+0xee/0x170 [ 1593.379584][ T74] __sys_sendmsg+0xcd/0x170 [ 1593.379584][ T74] do_syscall_64+0xc6/0x1e0 [ 1593.379584][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1593.379584][ T74] [ 1593.381615][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1593.381615][ T74] netdev_get_by_index+0x5e/0x80 [ 1593.381615][ T74] fib6_nh_init+0x3d8/0x1580 [ 1593.381615][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1593.381615][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1593.381615][ T74] ipv6_add_addr+0x411/0x2000 [ 1593.381615][ T74] inet6_addr_add+0x30e/0xa40 [ 1593.381615][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1593.381615][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1593.381615][ T74] netlink_rcv_skb+0x130/0x360 [ 1593.381615][ T74] netlink_unicast+0x449/0x710 [ 1593.381615][ T74] netlink_sendmsg+0x723/0xbe0 [ 1593.381615][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1593.381615][ T74] ___sys_sendmsg+0xee/0x170 [ 1593.381615][ T74] __sys_sendmsg+0xcd/0x170 [ 1593.381615][ T74] do_syscall_64+0xc6/0x1e0 [ 1593.381615][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1593.381615][ T74] [ 1593.383630][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1593.383630][ T74] netdev_get_by_index+0x5e/0x80 [ 1593.383630][ T74] fib6_nh_init+0x3d8/0x1580 [ 1593.383630][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1593.383630][ T74] ip6_route_add+0x1c/0x140 [ 1593.383630][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1593.383630][ T74] addrconf_add_dev+0xe2/0x170 [ 1593.383630][ T74] inet6_addr_add+0x12f/0xa40 [ 1593.383630][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1593.383630][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1593.383630][ T74] netlink_rcv_skb+0x130/0x360 [ 1593.383630][ T74] netlink_unicast+0x449/0x710 [ 1593.383630][ T74] netlink_sendmsg+0x723/0xbe0 [ 1593.383630][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1593.383630][ T74] ___sys_sendmsg+0xee/0x170 [ 1593.383630][ T74] __sys_sendmsg+0xcd/0x170 [ 1593.383630][ T74] do_syscall_64+0xc6/0x1e0 [ 1593.383630][ T74] [ 1593.385655][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1593.385655][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1593.385655][ T74] ipv6_find_idev+0x102/0x170 [ 1593.385655][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1593.385655][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1593.385655][ T74] netlink_rcv_skb+0x130/0x360 [ 1593.385655][ T74] netlink_unicast+0x449/0x710 [ 1593.385655][ T74] netlink_sendmsg+0x723/0xbe0 [ 1593.385655][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1593.385655][ T74] ___sys_sendmsg+0xee/0x170 [ 1593.385655][ T74] __sys_sendmsg+0xcd/0x170 [ 1593.385655][ T74] do_syscall_64+0xc6/0x1e0 [ 1593.385655][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1593.385655][ T74] [ 1593.387405][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1593.387405][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1593.387405][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1593.387405][ T74] ipv6_find_idev+0x102/0x170 [ 1593.387405][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1593.387405][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1593.387405][ T74] netlink_rcv_skb+0x130/0x360 [ 1593.387405][ T74] netlink_unicast+0x449/0x710 [ 1593.387405][ T74] netlink_sendmsg+0x723/0xbe0 [ 1593.387405][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1593.387405][ T74] ___sys_sendmsg+0xee/0x170 [ 1593.387405][ T74] __sys_sendmsg+0xcd/0x170 [ 1593.387405][ T74] do_syscall_64+0xc6/0x1e0 [ 1593.387405][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1593.387405][ T74] [ 1593.389373][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1593.389675][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1593.389675][ T74] netdev_get_by_index+0x5e/0x80 [ 1593.389675][ T74] fib6_nh_init+0x3d8/0x1580 [ 1593.389675][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1593.389675][ T74] ip6_route_add+0x1c/0x140 [ 1593.389675][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1593.389675][ T74] inet6_addr_add+0x4f8/0xa40 [ 1593.389675][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1593.389675][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1593.389675][ T74] netlink_rcv_skb+0x130/0x360 [ 1593.389675][ T74] netlink_unicast+0x449/0x710 [ 1593.389675][ T74] netlink_sendmsg+0x723/0xbe0 [ 1593.389675][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1593.389675][ T74] ___sys_sendmsg+0xee/0x170 [ 1593.389675][ T74] __sys_sendmsg+0xcd/0x170 [ 1593.389675][ T74] do_syscall_64+0xc6/0x1e0 [ 1593.389675][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1593.389675][ T74] [ 1593.391922][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1593.391922][ T74] netdev_get_by_index+0x5e/0x80 [ 1593.391922][ T74] fib6_nh_init+0x3d8/0x1580 [ 1593.391922][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1593.391922][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1593.391922][ T74] ipv6_add_addr+0x411/0x2000 [ 1593.391922][ T74] inet6_addr_add+0x30e/0xa40 [ 1593.391922][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1593.391922][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1593.391922][ T74] netlink_rcv_skb+0x130/0x360 [ 1593.391922][ T74] netlink_unicast+0x449/0x710 [ 1593.391922][ T74] netlink_sendmsg+0x723/0xbe0 [ 1593.391922][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1593.391922][ T74] ___sys_sendmsg+0xee/0x170 [ 1593.391922][ T74] __sys_sendmsg+0xcd/0x170 [ 1593.391922][ T74] do_syscall_64+0xc6/0x1e0 [ 1593.391922][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1593.391922][ T74] [ 1593.394205][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1593.394205][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1593.394205][ T74] ipv6_find_idev+0x102/0x170 [ 1593.394205][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1593.394205][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1593.394205][ T74] netlink_rcv_skb+0x130/0x360 [ 1593.394205][ T74] netlink_unicast+0x449/0x710 [ 1593.394205][ T74] netlink_sendmsg+0x723/0xbe0 [ 1593.394205][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1593.394205][ T74] ___sys_sendmsg+0xee/0x170 [ 1593.394205][ T74] __sys_sendmsg+0xcd/0x170 [ 1593.394205][ T74] do_syscall_64+0xc6/0x1e0 [ 1593.394205][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1593.394205][ T74] [ 1593.395934][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1593.395934][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1593.395934][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1593.395934][ T74] ipv6_find_idev+0x102/0x170 [ 1593.395934][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1593.395934][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1593.395934][ T74] netlink_rcv_skb+0x130/0x360 [ 1593.395934][ T74] netlink_unicast+0x449/0x710 [ 1593.395934][ T74] netlink_sendmsg+0x723/0xbe0 [ 1593.395934][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1593.395934][ T74] ___sys_sendmsg+0xee/0x170 [ 1593.395934][ T74] __sys_sendmsg+0xcd/0x170 [ 1593.395934][ T74] do_syscall_64+0xc6/0x1e0 [ 1593.395934][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1593.395934][ T74] [ 1603.640052][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1603.640550][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1603.640550][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1603.640550][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1603.640550][ T74] fib6_nh_init+0xa22/0x1580 [ 1603.640550][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1603.640550][ T74] ip6_route_add+0x1c/0x140 [ 1603.640550][ T74] inet6_rtm_newroute+0x104/0x110 [ 1603.640550][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1603.640550][ T74] netlink_rcv_skb+0x130/0x360 [ 1603.640550][ T74] netlink_unicast+0x449/0x710 [ 1603.640550][ T74] netlink_sendmsg+0x723/0xbe0 [ 1603.640550][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1603.640550][ T74] ___sys_sendmsg+0xee/0x170 [ 1603.640550][ T74] __sys_sendmsg+0xcd/0x170 [ 1603.640550][ T74] do_syscall_64+0xc6/0x1e0 [ 1603.640550][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1603.640550][ T74] [ 1603.642597][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1603.642597][ T74] netdev_get_by_index+0x5e/0x80 [ 1603.642597][ T74] fib6_nh_init+0x3d8/0x1580 [ 1603.642597][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1603.642597][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1603.642597][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1603.642597][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1603.642597][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1603.642597][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1603.642597][ T74] addrconf_dad_begin+0x310/0x670 [ 1603.642597][ T74] addrconf_dad_work+0x10b/0xab0 [ 1603.642597][ T74] process_one_work+0x84d/0x18a0 [ 1603.642597][ T74] worker_thread+0x587/0xd30 [ 1603.642597][ T74] kthread+0x28a/0x350 [ 1603.642597][ T74] ret_from_fork+0x31/0x70 [ 1603.642597][ T74] ret_from_fork_asm+0x1a/0x30 [ 1603.642597][ T74] [ 1603.644558][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1603.644558][ T74] netdev_get_by_index+0x5e/0x80 [ 1603.644558][ T74] fib6_nh_init+0x3d8/0x1580 [ 1603.644558][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1603.644558][ T74] ip6_route_add+0x1c/0x140 [ 1603.644558][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1603.644558][ T74] inet6_addr_add+0x4f8/0xa40 [ 1603.644558][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1603.644558][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1603.644558][ T74] netlink_rcv_skb+0x130/0x360 [ 1603.644558][ T74] netlink_unicast+0x449/0x710 [ 1603.644558][ T74] netlink_sendmsg+0x723/0xbe0 [ 1603.644558][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1603.644558][ T74] ___sys_sendmsg+0xee/0x170 [ 1603.644558][ T74] __sys_sendmsg+0xcd/0x170 [ 1603.644558][ T74] do_syscall_64+0xc6/0x1e0 [ 1603.644558][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1603.644558][ T74] [ 1603.646585][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1603.646585][ T74] netdev_get_by_index+0x5e/0x80 [ 1603.646585][ T74] fib6_nh_init+0x3d8/0x1580 [ 1603.646585][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1603.646585][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1603.646585][ T74] ipv6_add_addr+0x411/0x2000 [ 1603.646585][ T74] inet6_addr_add+0x30e/0xa40 [ 1603.646585][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1603.646585][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1603.646585][ T74] netlink_rcv_skb+0x130/0x360 [ 1603.646585][ T74] netlink_unicast+0x449/0x710 [ 1603.646585][ T74] netlink_sendmsg+0x723/0xbe0 [ 1603.646585][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1603.646585][ T74] ___sys_sendmsg+0xee/0x170 [ 1603.646585][ T74] __sys_sendmsg+0xcd/0x170 [ 1603.646585][ T74] do_syscall_64+0xc6/0x1e0 [ 1603.646585][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1603.646585][ T74] [ 1603.648607][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1603.648607][ T74] netdev_get_by_index+0x5e/0x80 [ 1603.648607][ T74] fib6_nh_init+0x3d8/0x1580 [ 1603.648607][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1603.648607][ T74] ip6_route_add+0x1c/0x140 [ 1603.648607][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1603.648607][ T74] addrconf_add_dev+0xe2/0x170 [ 1603.648607][ T74] inet6_addr_add+0x12f/0xa40 [ 1603.648607][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1603.648607][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1603.648607][ T74] netlink_rcv_skb+0x130/0x360 [ 1603.648607][ T74] netlink_unicast+0x449/0x710 [ 1603.648607][ T74] netlink_sendmsg+0x723/0xbe0 [ 1603.648607][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1603.648607][ T74] ___sys_sendmsg+0xee/0x170 [ 1603.648607][ T74] __sys_sendmsg+0xcd/0x170 [ 1603.648607][ T74] do_syscall_64+0xc6/0x1e0 [ 1603.648607][ T74] [ 1603.650613][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1603.650613][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1603.650613][ T74] ipv6_find_idev+0x102/0x170 [ 1603.650613][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1603.650613][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1603.650613][ T74] netlink_rcv_skb+0x130/0x360 [ 1603.650613][ T74] netlink_unicast+0x449/0x710 [ 1603.650613][ T74] netlink_sendmsg+0x723/0xbe0 [ 1603.650613][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1603.650613][ T74] ___sys_sendmsg+0xee/0x170 [ 1603.650613][ T74] __sys_sendmsg+0xcd/0x170 [ 1603.650613][ T74] do_syscall_64+0xc6/0x1e0 [ 1603.650613][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1603.650613][ T74] [ 1603.652222][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1603.652222][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1603.652222][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1603.652222][ T74] ipv6_find_idev+0x102/0x170 [ 1603.652222][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1603.652222][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1603.652222][ T74] netlink_rcv_skb+0x130/0x360 [ 1603.652222][ T74] netlink_unicast+0x449/0x710 [ 1603.652222][ T74] netlink_sendmsg+0x723/0xbe0 [ 1603.652222][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1603.652222][ T74] ___sys_sendmsg+0xee/0x170 [ 1603.652222][ T74] __sys_sendmsg+0xcd/0x170 [ 1603.652222][ T74] do_syscall_64+0xc6/0x1e0 [ 1603.652222][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1603.652222][ T74] [ 1603.653984][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1603.654280][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1603.654280][ T74] dst_init+0x84/0x4a0 [ 1603.654280][ T74] dst_alloc+0x97/0x150 [ 1603.654280][ T74] ip6_dst_alloc+0x23/0x90 [ 1603.654280][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1603.654280][ T74] ip6_pol_route+0x56f/0x840 [ 1603.654280][ T74] fib6_rule_lookup+0x456/0x630 [ 1603.654280][ T74] ip6_route_input+0x59c/0xa50 [ 1603.654280][ T74] ipv6_rcv+0x397/0x810 [ 1603.654280][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1603.654280][ T74] process_backlog+0x101/0x620 [ 1603.654280][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1603.654280][ T74] net_rx_action+0x495/0xbe0 [ 1603.654280][ T74] __do_softirq+0x1b5/0x7f6 [ 1603.654280][ T74] [ 1603.655932][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1603.655932][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1603.655932][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1603.655932][ T74] fib6_nh_init+0xa22/0x1580 [ 1603.655932][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1603.655932][ T74] ip6_route_add+0x1c/0x140 [ 1603.655932][ T74] inet6_rtm_newroute+0x104/0x110 [ 1603.655932][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1603.655932][ T74] netlink_rcv_skb+0x130/0x360 [ 1603.655932][ T74] netlink_unicast+0x449/0x710 [ 1603.655932][ T74] netlink_sendmsg+0x723/0xbe0 [ 1603.655932][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1603.655932][ T74] ___sys_sendmsg+0xee/0x170 [ 1603.655932][ T74] __sys_sendmsg+0xcd/0x170 [ 1603.655932][ T74] do_syscall_64+0xc6/0x1e0 [ 1603.655932][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1603.655932][ T74] [ 1603.657858][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1603.657858][ T74] netdev_get_by_index+0x5e/0x80 [ 1603.657858][ T74] fib6_nh_init+0x3d8/0x1580 [ 1603.657858][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1603.657858][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1603.657858][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1603.657858][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1603.657858][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1603.657858][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1603.657858][ T74] addrconf_dad_begin+0x310/0x670 [ 1603.657858][ T74] addrconf_dad_work+0x10b/0xab0 [ 1603.657858][ T74] process_one_work+0x84d/0x18a0 [ 1603.657858][ T74] worker_thread+0x587/0xd30 [ 1603.657858][ T74] kthread+0x28a/0x350 [ 1603.657858][ T74] ret_from_fork+0x31/0x70 [ 1603.657858][ T74] ret_from_fork_asm+0x1a/0x30 [ 1603.657858][ T74] [ 1603.659804][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1603.659804][ T74] netdev_get_by_index+0x5e/0x80 [ 1603.659804][ T74] fib6_nh_init+0x3d8/0x1580 [ 1603.659804][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1603.659804][ T74] ip6_route_add+0x1c/0x140 [ 1603.659804][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1603.659804][ T74] inet6_addr_add+0x4f8/0xa40 [ 1603.659804][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1603.659804][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1603.659804][ T74] netlink_rcv_skb+0x130/0x360 [ 1603.659804][ T74] netlink_unicast+0x449/0x710 [ 1603.659804][ T74] netlink_sendmsg+0x723/0xbe0 [ 1603.659804][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1603.659804][ T74] ___sys_sendmsg+0xee/0x170 [ 1603.659804][ T74] __sys_sendmsg+0xcd/0x170 [ 1603.659804][ T74] do_syscall_64+0xc6/0x1e0 [ 1603.659804][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1603.659804][ T74] [ 1603.661870][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1603.661870][ T74] netdev_get_by_index+0x5e/0x80 [ 1603.661870][ T74] fib6_nh_init+0x3d8/0x1580 [ 1603.661870][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1603.661870][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1603.661870][ T74] ipv6_add_addr+0x411/0x2000 [ 1603.661870][ T74] inet6_addr_add+0x30e/0xa40 [ 1603.661870][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1603.661870][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1603.661870][ T74] netlink_rcv_skb+0x130/0x360 [ 1603.661870][ T74] netlink_unicast+0x449/0x710 [ 1603.661870][ T74] netlink_sendmsg+0x723/0xbe0 [ 1603.661870][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1603.661870][ T74] ___sys_sendmsg+0xee/0x170 [ 1603.661870][ T74] __sys_sendmsg+0xcd/0x170 [ 1603.661870][ T74] do_syscall_64+0xc6/0x1e0 [ 1603.661870][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1603.661870][ T74] [ 1603.663881][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1603.663881][ T74] netdev_get_by_index+0x5e/0x80 [ 1603.663881][ T74] fib6_nh_init+0x3d8/0x1580 [ 1603.663881][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1603.663881][ T74] ip6_route_add+0x1c/0x140 [ 1603.663881][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1603.663881][ T74] addrconf_add_dev+0xe2/0x170 [ 1603.663881][ T74] inet6_addr_add+0x12f/0xa40 [ 1603.663881][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1603.663881][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1603.663881][ T74] netlink_rcv_skb+0x130/0x360 [ 1603.663881][ T74] netlink_unicast+0x449/0x710 [ 1603.663881][ T74] netlink_sendmsg+0x723/0xbe0 [ 1603.663881][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1603.663881][ T74] ___sys_sendmsg+0xee/0x170 [ 1603.663881][ T74] __sys_sendmsg+0xcd/0x170 [ 1603.663881][ T74] do_syscall_64+0xc6/0x1e0 [ 1603.663881][ T74] [ 1603.665915][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1603.665915][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1603.665915][ T74] ipv6_find_idev+0x102/0x170 [ 1603.665915][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1603.665915][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1603.665915][ T74] netlink_rcv_skb+0x130/0x360 [ 1603.665915][ T74] netlink_unicast+0x449/0x710 [ 1603.665915][ T74] netlink_sendmsg+0x723/0xbe0 [ 1603.665915][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1603.665915][ T74] ___sys_sendmsg+0xee/0x170 [ 1603.665915][ T74] __sys_sendmsg+0xcd/0x170 [ 1603.665915][ T74] do_syscall_64+0xc6/0x1e0 [ 1603.665915][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1603.665915][ T74] [ 1603.667677][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1603.667677][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1603.667677][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1603.667677][ T74] ipv6_find_idev+0x102/0x170 [ 1603.667677][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1603.667677][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1603.667677][ T74] netlink_rcv_skb+0x130/0x360 [ 1603.667677][ T74] netlink_unicast+0x449/0x710 [ 1603.667677][ T74] netlink_sendmsg+0x723/0xbe0 [ 1603.667677][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1603.667677][ T74] ___sys_sendmsg+0xee/0x170 [ 1603.667677][ T74] __sys_sendmsg+0xcd/0x170 [ 1603.667677][ T74] do_syscall_64+0xc6/0x1e0 [ 1603.667677][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1603.667677][ T74] [ 1603.669665][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1603.669987][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1603.669987][ T74] netdev_get_by_index+0x5e/0x80 [ 1603.669987][ T74] fib6_nh_init+0x3d8/0x1580 [ 1603.669987][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1603.669987][ T74] ip6_route_add+0x1c/0x140 [ 1603.669987][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1603.669987][ T74] inet6_addr_add+0x4f8/0xa40 [ 1603.669987][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1603.669987][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1603.669987][ T74] netlink_rcv_skb+0x130/0x360 [ 1603.669987][ T74] netlink_unicast+0x449/0x710 [ 1603.669987][ T74] netlink_sendmsg+0x723/0xbe0 [ 1603.669987][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1603.669987][ T74] ___sys_sendmsg+0xee/0x170 [ 1603.669987][ T74] __sys_sendmsg+0xcd/0x170 [ 1603.669987][ T74] do_syscall_64+0xc6/0x1e0 [ 1603.669987][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1603.669987][ T74] [ 1603.672186][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1603.672186][ T74] netdev_get_by_index+0x5e/0x80 [ 1603.672186][ T74] fib6_nh_init+0x3d8/0x1580 [ 1603.672186][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1603.672186][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1603.672186][ T74] ipv6_add_addr+0x411/0x2000 [ 1603.672186][ T74] inet6_addr_add+0x30e/0xa40 [ 1603.672186][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1603.672186][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1603.672186][ T74] netlink_rcv_skb+0x130/0x360 [ 1603.672186][ T74] netlink_unicast+0x449/0x710 [ 1603.672186][ T74] netlink_sendmsg+0x723/0xbe0 [ 1603.672186][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1603.672186][ T74] ___sys_sendmsg+0xee/0x170 [ 1603.672186][ T74] __sys_sendmsg+0xcd/0x170 [ 1603.672186][ T74] do_syscall_64+0xc6/0x1e0 [ 1603.672186][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1603.672186][ T74] [ 1603.674450][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1603.674450][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1603.674450][ T74] ipv6_find_idev+0x102/0x170 [ 1603.674450][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1603.674450][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1603.674450][ T74] netlink_rcv_skb+0x130/0x360 [ 1603.674450][ T74] netlink_unicast+0x449/0x710 [ 1603.674450][ T74] netlink_sendmsg+0x723/0xbe0 [ 1603.674450][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1603.674450][ T74] ___sys_sendmsg+0xee/0x170 [ 1603.674450][ T74] __sys_sendmsg+0xcd/0x170 [ 1603.674450][ T74] do_syscall_64+0xc6/0x1e0 [ 1603.674450][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1603.674450][ T74] [ 1603.676188][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1603.676188][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1603.676188][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1603.676188][ T74] ipv6_find_idev+0x102/0x170 [ 1603.676188][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1603.676188][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1603.676188][ T74] netlink_rcv_skb+0x130/0x360 [ 1603.676188][ T74] netlink_unicast+0x449/0x710 [ 1603.676188][ T74] netlink_sendmsg+0x723/0xbe0 [ 1603.676188][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1603.676188][ T74] ___sys_sendmsg+0xee/0x170 [ 1603.676188][ T74] __sys_sendmsg+0xcd/0x170 [ 1603.676188][ T74] do_syscall_64+0xc6/0x1e0 [ 1603.676188][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1603.676188][ T74] [ 1613.919958][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1613.920392][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1613.920392][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1613.920392][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1613.920392][ T74] fib6_nh_init+0xa22/0x1580 [ 1613.920392][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1613.920392][ T74] ip6_route_add+0x1c/0x140 [ 1613.920392][ T74] inet6_rtm_newroute+0x104/0x110 [ 1613.920392][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1613.920392][ T74] netlink_rcv_skb+0x130/0x360 [ 1613.920392][ T74] netlink_unicast+0x449/0x710 [ 1613.920392][ T74] netlink_sendmsg+0x723/0xbe0 [ 1613.920392][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1613.920392][ T74] ___sys_sendmsg+0xee/0x170 [ 1613.920392][ T74] __sys_sendmsg+0xcd/0x170 [ 1613.920392][ T74] do_syscall_64+0xc6/0x1e0 [ 1613.920392][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1613.920392][ T74] [ 1613.922629][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1613.922629][ T74] netdev_get_by_index+0x5e/0x80 [ 1613.922629][ T74] fib6_nh_init+0x3d8/0x1580 [ 1613.922629][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1613.922629][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1613.922629][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1613.922629][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1613.922629][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1613.922629][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1613.922629][ T74] addrconf_dad_begin+0x310/0x670 [ 1613.922629][ T74] addrconf_dad_work+0x10b/0xab0 [ 1613.922629][ T74] process_one_work+0x84d/0x18a0 [ 1613.922629][ T74] worker_thread+0x587/0xd30 [ 1613.922629][ T74] kthread+0x28a/0x350 [ 1613.922629][ T74] ret_from_fork+0x31/0x70 [ 1613.922629][ T74] ret_from_fork_asm+0x1a/0x30 [ 1613.922629][ T74] [ 1613.924749][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1613.924749][ T74] netdev_get_by_index+0x5e/0x80 [ 1613.924749][ T74] fib6_nh_init+0x3d8/0x1580 [ 1613.924749][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1613.924749][ T74] ip6_route_add+0x1c/0x140 [ 1613.924749][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1613.924749][ T74] inet6_addr_add+0x4f8/0xa40 [ 1613.924749][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1613.924749][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1613.924749][ T74] netlink_rcv_skb+0x130/0x360 [ 1613.924749][ T74] netlink_unicast+0x449/0x710 [ 1613.924749][ T74] netlink_sendmsg+0x723/0xbe0 [ 1613.924749][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1613.924749][ T74] ___sys_sendmsg+0xee/0x170 [ 1613.924749][ T74] __sys_sendmsg+0xcd/0x170 [ 1613.924749][ T74] do_syscall_64+0xc6/0x1e0 [ 1613.924749][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1613.924749][ T74] [ 1613.926820][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1613.926820][ T74] netdev_get_by_index+0x5e/0x80 [ 1613.926820][ T74] fib6_nh_init+0x3d8/0x1580 [ 1613.926820][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1613.926820][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1613.926820][ T74] ipv6_add_addr+0x411/0x2000 [ 1613.926820][ T74] inet6_addr_add+0x30e/0xa40 [ 1613.926820][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1613.926820][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1613.926820][ T74] netlink_rcv_skb+0x130/0x360 [ 1613.926820][ T74] netlink_unicast+0x449/0x710 [ 1613.926820][ T74] netlink_sendmsg+0x723/0xbe0 [ 1613.926820][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1613.926820][ T74] ___sys_sendmsg+0xee/0x170 [ 1613.926820][ T74] __sys_sendmsg+0xcd/0x170 [ 1613.926820][ T74] do_syscall_64+0xc6/0x1e0 [ 1613.926820][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1613.926820][ T74] [ 1613.928834][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1613.928834][ T74] netdev_get_by_index+0x5e/0x80 [ 1613.928834][ T74] fib6_nh_init+0x3d8/0x1580 [ 1613.928834][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1613.928834][ T74] ip6_route_add+0x1c/0x140 [ 1613.928834][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1613.928834][ T74] addrconf_add_dev+0xe2/0x170 [ 1613.928834][ T74] inet6_addr_add+0x12f/0xa40 [ 1613.928834][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1613.928834][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1613.928834][ T74] netlink_rcv_skb+0x130/0x360 [ 1613.928834][ T74] netlink_unicast+0x449/0x710 [ 1613.928834][ T74] netlink_sendmsg+0x723/0xbe0 [ 1613.928834][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1613.928834][ T74] ___sys_sendmsg+0xee/0x170 [ 1613.928834][ T74] __sys_sendmsg+0xcd/0x170 [ 1613.928834][ T74] do_syscall_64+0xc6/0x1e0 [ 1613.928834][ T74] [ 1613.930827][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1613.930827][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1613.930827][ T74] ipv6_find_idev+0x102/0x170 [ 1613.930827][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1613.930827][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1613.930827][ T74] netlink_rcv_skb+0x130/0x360 [ 1613.930827][ T74] netlink_unicast+0x449/0x710 [ 1613.930827][ T74] netlink_sendmsg+0x723/0xbe0 [ 1613.930827][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1613.930827][ T74] ___sys_sendmsg+0xee/0x170 [ 1613.930827][ T74] __sys_sendmsg+0xcd/0x170 [ 1613.930827][ T74] do_syscall_64+0xc6/0x1e0 [ 1613.930827][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1613.930827][ T74] [ 1613.932397][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1613.932397][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1613.932397][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1613.932397][ T74] ipv6_find_idev+0x102/0x170 [ 1613.932397][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1613.932397][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1613.932397][ T74] netlink_rcv_skb+0x130/0x360 [ 1613.932397][ T74] netlink_unicast+0x449/0x710 [ 1613.932397][ T74] netlink_sendmsg+0x723/0xbe0 [ 1613.932397][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1613.932397][ T74] ___sys_sendmsg+0xee/0x170 [ 1613.932397][ T74] __sys_sendmsg+0xcd/0x170 [ 1613.932397][ T74] do_syscall_64+0xc6/0x1e0 [ 1613.932397][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1613.932397][ T74] [ 1613.934144][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1613.934424][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1613.934424][ T74] dst_init+0x84/0x4a0 [ 1613.934424][ T74] dst_alloc+0x97/0x150 [ 1613.934424][ T74] ip6_dst_alloc+0x23/0x90 [ 1613.934424][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1613.934424][ T74] ip6_pol_route+0x56f/0x840 [ 1613.934424][ T74] fib6_rule_lookup+0x456/0x630 [ 1613.934424][ T74] ip6_route_input+0x59c/0xa50 [ 1613.934424][ T74] ipv6_rcv+0x397/0x810 [ 1613.934424][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1613.934424][ T74] process_backlog+0x101/0x620 [ 1613.934424][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1613.934424][ T74] net_rx_action+0x495/0xbe0 [ 1613.934424][ T74] __do_softirq+0x1b5/0x7f6 [ 1613.934424][ T74] [ 1613.936075][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1613.936075][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1613.936075][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1613.936075][ T74] fib6_nh_init+0xa22/0x1580 [ 1613.936075][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1613.936075][ T74] ip6_route_add+0x1c/0x140 [ 1613.936075][ T74] inet6_rtm_newroute+0x104/0x110 [ 1613.936075][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1613.936075][ T74] netlink_rcv_skb+0x130/0x360 [ 1613.936075][ T74] netlink_unicast+0x449/0x710 [ 1613.936075][ T74] netlink_sendmsg+0x723/0xbe0 [ 1613.936075][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1613.936075][ T74] ___sys_sendmsg+0xee/0x170 [ 1613.936075][ T74] __sys_sendmsg+0xcd/0x170 [ 1613.936075][ T74] do_syscall_64+0xc6/0x1e0 [ 1613.936075][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1613.936075][ T74] [ 1613.937998][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1613.937998][ T74] netdev_get_by_index+0x5e/0x80 [ 1613.937998][ T74] fib6_nh_init+0x3d8/0x1580 [ 1613.937998][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1613.937998][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1613.937998][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1613.937998][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1613.937998][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1613.937998][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1613.937998][ T74] addrconf_dad_begin+0x310/0x670 [ 1613.937998][ T74] addrconf_dad_work+0x10b/0xab0 [ 1613.937998][ T74] process_one_work+0x84d/0x18a0 [ 1613.937998][ T74] worker_thread+0x587/0xd30 [ 1613.937998][ T74] kthread+0x28a/0x350 [ 1613.937998][ T74] ret_from_fork+0x31/0x70 [ 1613.937998][ T74] ret_from_fork_asm+0x1a/0x30 [ 1613.937998][ T74] [ 1613.939919][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1613.939919][ T74] netdev_get_by_index+0x5e/0x80 [ 1613.939919][ T74] fib6_nh_init+0x3d8/0x1580 [ 1613.939919][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1613.939919][ T74] ip6_route_add+0x1c/0x140 [ 1613.939919][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1613.939919][ T74] inet6_addr_add+0x4f8/0xa40 [ 1613.939919][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1613.939919][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1613.939919][ T74] netlink_rcv_skb+0x130/0x360 [ 1613.939919][ T74] netlink_unicast+0x449/0x710 [ 1613.939919][ T74] netlink_sendmsg+0x723/0xbe0 [ 1613.939919][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1613.939919][ T74] ___sys_sendmsg+0xee/0x170 [ 1613.939919][ T74] __sys_sendmsg+0xcd/0x170 [ 1613.939919][ T74] do_syscall_64+0xc6/0x1e0 [ 1613.939919][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1613.939919][ T74] [ 1613.942058][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1613.942058][ T74] netdev_get_by_index+0x5e/0x80 [ 1613.942058][ T74] fib6_nh_init+0x3d8/0x1580 [ 1613.942058][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1613.942058][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1613.942058][ T74] ipv6_add_addr+0x411/0x2000 [ 1613.942058][ T74] inet6_addr_add+0x30e/0xa40 [ 1613.942058][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1613.942058][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1613.942058][ T74] netlink_rcv_skb+0x130/0x360 [ 1613.942058][ T74] netlink_unicast+0x449/0x710 [ 1613.942058][ T74] netlink_sendmsg+0x723/0xbe0 [ 1613.942058][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1613.942058][ T74] ___sys_sendmsg+0xee/0x170 [ 1613.942058][ T74] __sys_sendmsg+0xcd/0x170 [ 1613.942058][ T74] do_syscall_64+0xc6/0x1e0 [ 1613.942058][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1613.942058][ T74] [ 1613.944072][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1613.944072][ T74] netdev_get_by_index+0x5e/0x80 [ 1613.944072][ T74] fib6_nh_init+0x3d8/0x1580 [ 1613.944072][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1613.944072][ T74] ip6_route_add+0x1c/0x140 [ 1613.944072][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1613.944072][ T74] addrconf_add_dev+0xe2/0x170 [ 1613.944072][ T74] inet6_addr_add+0x12f/0xa40 [ 1613.944072][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1613.944072][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1613.944072][ T74] netlink_rcv_skb+0x130/0x360 [ 1613.944072][ T74] netlink_unicast+0x449/0x710 [ 1613.944072][ T74] netlink_sendmsg+0x723/0xbe0 [ 1613.944072][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1613.944072][ T74] ___sys_sendmsg+0xee/0x170 [ 1613.944072][ T74] __sys_sendmsg+0xcd/0x170 [ 1613.944072][ T74] do_syscall_64+0xc6/0x1e0 [ 1613.944072][ T74] [ 1613.946077][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1613.946077][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1613.946077][ T74] ipv6_find_idev+0x102/0x170 [ 1613.946077][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1613.946077][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1613.946077][ T74] netlink_rcv_skb+0x130/0x360 [ 1613.946077][ T74] netlink_unicast+0x449/0x710 [ 1613.946077][ T74] netlink_sendmsg+0x723/0xbe0 [ 1613.946077][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1613.946077][ T74] ___sys_sendmsg+0xee/0x170 [ 1613.946077][ T74] __sys_sendmsg+0xcd/0x170 [ 1613.946077][ T74] do_syscall_64+0xc6/0x1e0 [ 1613.946077][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1613.946077][ T74] [ 1613.947815][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1613.947815][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1613.947815][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1613.947815][ T74] ipv6_find_idev+0x102/0x170 [ 1613.947815][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1613.947815][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1613.947815][ T74] netlink_rcv_skb+0x130/0x360 [ 1613.947815][ T74] netlink_unicast+0x449/0x710 [ 1613.947815][ T74] netlink_sendmsg+0x723/0xbe0 [ 1613.947815][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1613.947815][ T74] ___sys_sendmsg+0xee/0x170 [ 1613.947815][ T74] __sys_sendmsg+0xcd/0x170 [ 1613.947815][ T74] do_syscall_64+0xc6/0x1e0 [ 1613.947815][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1613.947815][ T74] [ 1613.949837][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1613.950170][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1613.950170][ T74] netdev_get_by_index+0x5e/0x80 [ 1613.950170][ T74] fib6_nh_init+0x3d8/0x1580 [ 1613.950170][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1613.950170][ T74] ip6_route_add+0x1c/0x140 [ 1613.950170][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1613.950170][ T74] inet6_addr_add+0x4f8/0xa40 [ 1613.950170][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1613.950170][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1613.950170][ T74] netlink_rcv_skb+0x130/0x360 [ 1613.950170][ T74] netlink_unicast+0x449/0x710 [ 1613.950170][ T74] netlink_sendmsg+0x723/0xbe0 [ 1613.950170][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1613.950170][ T74] ___sys_sendmsg+0xee/0x170 [ 1613.950170][ T74] __sys_sendmsg+0xcd/0x170 [ 1613.950170][ T74] do_syscall_64+0xc6/0x1e0 [ 1613.950170][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1613.950170][ T74] [ 1613.952385][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1613.952385][ T74] netdev_get_by_index+0x5e/0x80 [ 1613.952385][ T74] fib6_nh_init+0x3d8/0x1580 [ 1613.952385][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1613.952385][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1613.952385][ T74] ipv6_add_addr+0x411/0x2000 [ 1613.952385][ T74] inet6_addr_add+0x30e/0xa40 [ 1613.952385][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1613.952385][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1613.952385][ T74] netlink_rcv_skb+0x130/0x360 [ 1613.952385][ T74] netlink_unicast+0x449/0x710 [ 1613.952385][ T74] netlink_sendmsg+0x723/0xbe0 [ 1613.952385][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1613.952385][ T74] ___sys_sendmsg+0xee/0x170 [ 1613.952385][ T74] __sys_sendmsg+0xcd/0x170 [ 1613.952385][ T74] do_syscall_64+0xc6/0x1e0 [ 1613.952385][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1613.952385][ T74] [ 1613.954633][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1613.954633][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1613.954633][ T74] ipv6_find_idev+0x102/0x170 [ 1613.954633][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1613.954633][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1613.954633][ T74] netlink_rcv_skb+0x130/0x360 [ 1613.954633][ T74] netlink_unicast+0x449/0x710 [ 1613.954633][ T74] netlink_sendmsg+0x723/0xbe0 [ 1613.954633][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1613.954633][ T74] ___sys_sendmsg+0xee/0x170 [ 1613.954633][ T74] __sys_sendmsg+0xcd/0x170 [ 1613.954633][ T74] do_syscall_64+0xc6/0x1e0 [ 1613.954633][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1613.954633][ T74] [ 1613.956313][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1613.956313][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1613.956313][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1613.956313][ T74] ipv6_find_idev+0x102/0x170 [ 1613.956313][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1613.956313][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1613.956313][ T74] netlink_rcv_skb+0x130/0x360 [ 1613.956313][ T74] netlink_unicast+0x449/0x710 [ 1613.956313][ T74] netlink_sendmsg+0x723/0xbe0 [ 1613.956313][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1613.956313][ T74] ___sys_sendmsg+0xee/0x170 [ 1613.956313][ T74] __sys_sendmsg+0xcd/0x170 [ 1613.956313][ T74] do_syscall_64+0xc6/0x1e0 [ 1613.956313][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1613.956313][ T74] [ 1624.031955][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1624.032368][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1624.032368][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1624.032368][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1624.032368][ T74] fib6_nh_init+0xa22/0x1580 [ 1624.032368][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1624.032368][ T74] ip6_route_add+0x1c/0x140 [ 1624.032368][ T74] inet6_rtm_newroute+0x104/0x110 [ 1624.032368][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1624.032368][ T74] netlink_rcv_skb+0x130/0x360 [ 1624.032368][ T74] netlink_unicast+0x449/0x710 [ 1624.032368][ T74] netlink_sendmsg+0x723/0xbe0 [ 1624.032368][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1624.032368][ T74] ___sys_sendmsg+0xee/0x170 [ 1624.032368][ T74] __sys_sendmsg+0xcd/0x170 [ 1624.032368][ T74] do_syscall_64+0xc6/0x1e0 [ 1624.032368][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1624.032368][ T74] [ 1624.034298][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1624.034298][ T74] netdev_get_by_index+0x5e/0x80 [ 1624.034298][ T74] fib6_nh_init+0x3d8/0x1580 [ 1624.034298][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1624.034298][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1624.034298][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1624.034298][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1624.034298][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1624.034298][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1624.034298][ T74] addrconf_dad_begin+0x310/0x670 [ 1624.034298][ T74] addrconf_dad_work+0x10b/0xab0 [ 1624.034298][ T74] process_one_work+0x84d/0x18a0 [ 1624.034298][ T74] worker_thread+0x587/0xd30 [ 1624.034298][ T74] kthread+0x28a/0x350 [ 1624.034298][ T74] ret_from_fork+0x31/0x70 [ 1624.034298][ T74] ret_from_fork_asm+0x1a/0x30 [ 1624.034298][ T74] [ 1624.036214][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1624.036214][ T74] netdev_get_by_index+0x5e/0x80 [ 1624.036214][ T74] fib6_nh_init+0x3d8/0x1580 [ 1624.036214][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1624.036214][ T74] ip6_route_add+0x1c/0x140 [ 1624.036214][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1624.036214][ T74] inet6_addr_add+0x4f8/0xa40 [ 1624.036214][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1624.036214][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1624.036214][ T74] netlink_rcv_skb+0x130/0x360 [ 1624.036214][ T74] netlink_unicast+0x449/0x710 [ 1624.036214][ T74] netlink_sendmsg+0x723/0xbe0 [ 1624.036214][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1624.036214][ T74] ___sys_sendmsg+0xee/0x170 [ 1624.036214][ T74] __sys_sendmsg+0xcd/0x170 [ 1624.036214][ T74] do_syscall_64+0xc6/0x1e0 [ 1624.036214][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1624.036214][ T74] [ 1624.038208][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1624.038208][ T74] netdev_get_by_index+0x5e/0x80 [ 1624.038208][ T74] fib6_nh_init+0x3d8/0x1580 [ 1624.038208][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1624.038208][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1624.038208][ T74] ipv6_add_addr+0x411/0x2000 [ 1624.038208][ T74] inet6_addr_add+0x30e/0xa40 [ 1624.038208][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1624.038208][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1624.038208][ T74] netlink_rcv_skb+0x130/0x360 [ 1624.038208][ T74] netlink_unicast+0x449/0x710 [ 1624.038208][ T74] netlink_sendmsg+0x723/0xbe0 [ 1624.038208][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1624.038208][ T74] ___sys_sendmsg+0xee/0x170 [ 1624.038208][ T74] __sys_sendmsg+0xcd/0x170 [ 1624.038208][ T74] do_syscall_64+0xc6/0x1e0 [ 1624.038208][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1624.038208][ T74] [ 1624.040197][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1624.040197][ T74] netdev_get_by_index+0x5e/0x80 [ 1624.040197][ T74] fib6_nh_init+0x3d8/0x1580 [ 1624.040197][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1624.040197][ T74] ip6_route_add+0x1c/0x140 [ 1624.040197][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1624.040197][ T74] addrconf_add_dev+0xe2/0x170 [ 1624.040197][ T74] inet6_addr_add+0x12f/0xa40 [ 1624.040197][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1624.040197][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1624.040197][ T74] netlink_rcv_skb+0x130/0x360 [ 1624.040197][ T74] netlink_unicast+0x449/0x710 [ 1624.040197][ T74] netlink_sendmsg+0x723/0xbe0 [ 1624.040197][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1624.040197][ T74] ___sys_sendmsg+0xee/0x170 [ 1624.040197][ T74] __sys_sendmsg+0xcd/0x170 [ 1624.040197][ T74] do_syscall_64+0xc6/0x1e0 [ 1624.040197][ T74] [ 1624.042211][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1624.042211][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1624.042211][ T74] ipv6_find_idev+0x102/0x170 [ 1624.042211][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1624.042211][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1624.042211][ T74] netlink_rcv_skb+0x130/0x360 [ 1624.042211][ T74] netlink_unicast+0x449/0x710 [ 1624.042211][ T74] netlink_sendmsg+0x723/0xbe0 [ 1624.042211][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1624.042211][ T74] ___sys_sendmsg+0xee/0x170 [ 1624.042211][ T74] __sys_sendmsg+0xcd/0x170 [ 1624.042211][ T74] do_syscall_64+0xc6/0x1e0 [ 1624.042211][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1624.042211][ T74] [ 1624.043749][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1624.043749][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1624.043749][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1624.043749][ T74] ipv6_find_idev+0x102/0x170 [ 1624.043749][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1624.043749][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1624.043749][ T74] netlink_rcv_skb+0x130/0x360 [ 1624.043749][ T74] netlink_unicast+0x449/0x710 [ 1624.043749][ T74] netlink_sendmsg+0x723/0xbe0 [ 1624.043749][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1624.043749][ T74] ___sys_sendmsg+0xee/0x170 [ 1624.043749][ T74] __sys_sendmsg+0xcd/0x170 [ 1624.043749][ T74] do_syscall_64+0xc6/0x1e0 [ 1624.043749][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1624.043749][ T74] [ 1624.045471][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1624.045749][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1624.045749][ T74] dst_init+0x84/0x4a0 [ 1624.045749][ T74] dst_alloc+0x97/0x150 [ 1624.045749][ T74] ip6_dst_alloc+0x23/0x90 [ 1624.045749][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1624.045749][ T74] ip6_pol_route+0x56f/0x840 [ 1624.045749][ T74] fib6_rule_lookup+0x456/0x630 [ 1624.045749][ T74] ip6_route_input+0x59c/0xa50 [ 1624.045749][ T74] ipv6_rcv+0x397/0x810 [ 1624.045749][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1624.045749][ T74] process_backlog+0x101/0x620 [ 1624.045749][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1624.045749][ T74] net_rx_action+0x495/0xbe0 [ 1624.045749][ T74] __do_softirq+0x1b5/0x7f6 [ 1624.045749][ T74] [ 1624.047387][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1624.047387][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1624.047387][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1624.047387][ T74] fib6_nh_init+0xa22/0x1580 [ 1624.047387][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1624.047387][ T74] ip6_route_add+0x1c/0x140 [ 1624.047387][ T74] inet6_rtm_newroute+0x104/0x110 [ 1624.047387][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1624.047387][ T74] netlink_rcv_skb+0x130/0x360 [ 1624.047387][ T74] netlink_unicast+0x449/0x710 [ 1624.047387][ T74] netlink_sendmsg+0x723/0xbe0 [ 1624.047387][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1624.047387][ T74] ___sys_sendmsg+0xee/0x170 [ 1624.047387][ T74] __sys_sendmsg+0xcd/0x170 [ 1624.047387][ T74] do_syscall_64+0xc6/0x1e0 [ 1624.047387][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1624.047387][ T74] [ 1624.049497][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1624.049497][ T74] netdev_get_by_index+0x5e/0x80 [ 1624.049497][ T74] fib6_nh_init+0x3d8/0x1580 [ 1624.049497][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1624.049497][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1624.049497][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1624.049497][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1624.049497][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1624.049497][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1624.049497][ T74] addrconf_dad_begin+0x310/0x670 [ 1624.049497][ T74] addrconf_dad_work+0x10b/0xab0 [ 1624.049497][ T74] process_one_work+0x84d/0x18a0 [ 1624.049497][ T74] worker_thread+0x587/0xd30 [ 1624.049497][ T74] kthread+0x28a/0x350 [ 1624.049497][ T74] ret_from_fork+0x31/0x70 [ 1624.049497][ T74] ret_from_fork_asm+0x1a/0x30 [ 1624.049497][ T74] [ 1624.051619][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1624.051619][ T74] netdev_get_by_index+0x5e/0x80 [ 1624.051619][ T74] fib6_nh_init+0x3d8/0x1580 [ 1624.051619][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1624.051619][ T74] ip6_route_add+0x1c/0x140 [ 1624.051619][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1624.051619][ T74] inet6_addr_add+0x4f8/0xa40 [ 1624.051619][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1624.051619][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1624.051619][ T74] netlink_rcv_skb+0x130/0x360 [ 1624.051619][ T74] netlink_unicast+0x449/0x710 [ 1624.051619][ T74] netlink_sendmsg+0x723/0xbe0 [ 1624.051619][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1624.051619][ T74] ___sys_sendmsg+0xee/0x170 [ 1624.051619][ T74] __sys_sendmsg+0xcd/0x170 [ 1624.051619][ T74] do_syscall_64+0xc6/0x1e0 [ 1624.051619][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1624.051619][ T74] [ 1624.053817][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1624.053817][ T74] netdev_get_by_index+0x5e/0x80 [ 1624.053817][ T74] fib6_nh_init+0x3d8/0x1580 [ 1624.053817][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1624.053817][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1624.053817][ T74] ipv6_add_addr+0x411/0x2000 [ 1624.053817][ T74] inet6_addr_add+0x30e/0xa40 [ 1624.053817][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1624.053817][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1624.053817][ T74] netlink_rcv_skb+0x130/0x360 [ 1624.053817][ T74] netlink_unicast+0x449/0x710 [ 1624.053817][ T74] netlink_sendmsg+0x723/0xbe0 [ 1624.053817][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1624.053817][ T74] ___sys_sendmsg+0xee/0x170 [ 1624.053817][ T74] __sys_sendmsg+0xcd/0x170 [ 1624.053817][ T74] do_syscall_64+0xc6/0x1e0 [ 1624.053817][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1624.053817][ T74] [ 1624.056024][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1624.056024][ T74] netdev_get_by_index+0x5e/0x80 [ 1624.056024][ T74] fib6_nh_init+0x3d8/0x1580 [ 1624.056024][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1624.056024][ T74] ip6_route_add+0x1c/0x140 [ 1624.056024][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1624.056024][ T74] addrconf_add_dev+0xe2/0x170 [ 1624.056024][ T74] inet6_addr_add+0x12f/0xa40 [ 1624.056024][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1624.056024][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1624.056024][ T74] netlink_rcv_skb+0x130/0x360 [ 1624.056024][ T74] netlink_unicast+0x449/0x710 [ 1624.056024][ T74] netlink_sendmsg+0x723/0xbe0 [ 1624.056024][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1624.056024][ T74] ___sys_sendmsg+0xee/0x170 [ 1624.056024][ T74] __sys_sendmsg+0xcd/0x170 [ 1624.056024][ T74] do_syscall_64+0xc6/0x1e0 [ 1624.056024][ T74] [ 1624.058183][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1624.058183][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1624.058183][ T74] ipv6_find_idev+0x102/0x170 [ 1624.058183][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1624.058183][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1624.058183][ T74] netlink_rcv_skb+0x130/0x360 [ 1624.058183][ T74] netlink_unicast+0x449/0x710 [ 1624.058183][ T74] netlink_sendmsg+0x723/0xbe0 [ 1624.058183][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1624.058183][ T74] ___sys_sendmsg+0xee/0x170 [ 1624.058183][ T74] __sys_sendmsg+0xcd/0x170 [ 1624.058183][ T74] do_syscall_64+0xc6/0x1e0 [ 1624.058183][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1624.058183][ T74] [ 1624.060150][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1624.060150][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1624.060150][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1624.060150][ T74] ipv6_find_idev+0x102/0x170 [ 1624.060150][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1624.060150][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1624.060150][ T74] netlink_rcv_skb+0x130/0x360 [ 1624.060150][ T74] netlink_unicast+0x449/0x710 [ 1624.060150][ T74] netlink_sendmsg+0x723/0xbe0 [ 1624.060150][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1624.060150][ T74] ___sys_sendmsg+0xee/0x170 [ 1624.060150][ T74] __sys_sendmsg+0xcd/0x170 [ 1624.060150][ T74] do_syscall_64+0xc6/0x1e0 [ 1624.060150][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1624.060150][ T74] [ 1624.062247][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1624.062631][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1624.062631][ T74] netdev_get_by_index+0x5e/0x80 [ 1624.062631][ T74] fib6_nh_init+0x3d8/0x1580 [ 1624.062631][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1624.062631][ T74] ip6_route_add+0x1c/0x140 [ 1624.062631][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1624.062631][ T74] inet6_addr_add+0x4f8/0xa40 [ 1624.062631][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1624.062631][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1624.062631][ T74] netlink_rcv_skb+0x130/0x360 [ 1624.062631][ T74] netlink_unicast+0x449/0x710 [ 1624.062631][ T74] netlink_sendmsg+0x723/0xbe0 [ 1624.062631][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1624.062631][ T74] ___sys_sendmsg+0xee/0x170 [ 1624.062631][ T74] __sys_sendmsg+0xcd/0x170 [ 1624.062631][ T74] do_syscall_64+0xc6/0x1e0 [ 1624.062631][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1624.062631][ T74] [ 1624.064986][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1624.064986][ T74] netdev_get_by_index+0x5e/0x80 [ 1624.064986][ T74] fib6_nh_init+0x3d8/0x1580 [ 1624.064986][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1624.064986][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1624.064986][ T74] ipv6_add_addr+0x411/0x2000 [ 1624.064986][ T74] inet6_addr_add+0x30e/0xa40 [ 1624.064986][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1624.064986][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1624.064986][ T74] netlink_rcv_skb+0x130/0x360 [ 1624.064986][ T74] netlink_unicast+0x449/0x710 [ 1624.064986][ T74] netlink_sendmsg+0x723/0xbe0 [ 1624.064986][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1624.064986][ T74] ___sys_sendmsg+0xee/0x170 [ 1624.064986][ T74] __sys_sendmsg+0xcd/0x170 [ 1624.064986][ T74] do_syscall_64+0xc6/0x1e0 [ 1624.064986][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1624.064986][ T74] [ 1624.067380][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1624.067380][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1624.067380][ T74] ipv6_find_idev+0x102/0x170 [ 1624.067380][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1624.067380][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1624.067380][ T74] netlink_rcv_skb+0x130/0x360 [ 1624.067380][ T74] netlink_unicast+0x449/0x710 [ 1624.067380][ T74] netlink_sendmsg+0x723/0xbe0 [ 1624.067380][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1624.067380][ T74] ___sys_sendmsg+0xee/0x170 [ 1624.067380][ T74] __sys_sendmsg+0xcd/0x170 [ 1624.067380][ T74] do_syscall_64+0xc6/0x1e0 [ 1624.067380][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1624.067380][ T74] [ 1624.069151][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1624.069151][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1624.069151][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1624.069151][ T74] ipv6_find_idev+0x102/0x170 [ 1624.069151][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1624.069151][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1624.069151][ T74] netlink_rcv_skb+0x130/0x360 [ 1624.069151][ T74] netlink_unicast+0x449/0x710 [ 1624.069151][ T74] netlink_sendmsg+0x723/0xbe0 [ 1624.069151][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1624.069151][ T74] ___sys_sendmsg+0xee/0x170 [ 1624.069151][ T74] __sys_sendmsg+0xcd/0x170 [ 1624.069151][ T74] do_syscall_64+0xc6/0x1e0 [ 1624.069151][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1624.069151][ T74] [ 1634.103938][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1634.104333][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1634.104333][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1634.104333][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1634.104333][ T74] fib6_nh_init+0xa22/0x1580 [ 1634.104333][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1634.104333][ T74] ip6_route_add+0x1c/0x140 [ 1634.104333][ T74] inet6_rtm_newroute+0x104/0x110 [ 1634.104333][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1634.104333][ T74] netlink_rcv_skb+0x130/0x360 [ 1634.104333][ T74] netlink_unicast+0x449/0x710 [ 1634.104333][ T74] netlink_sendmsg+0x723/0xbe0 [ 1634.104333][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1634.104333][ T74] ___sys_sendmsg+0xee/0x170 [ 1634.104333][ T74] __sys_sendmsg+0xcd/0x170 [ 1634.104333][ T74] do_syscall_64+0xc6/0x1e0 [ 1634.104333][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1634.104333][ T74] [ 1634.106343][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1634.106343][ T74] netdev_get_by_index+0x5e/0x80 [ 1634.106343][ T74] fib6_nh_init+0x3d8/0x1580 [ 1634.106343][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1634.106343][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1634.106343][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1634.106343][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1634.106343][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1634.106343][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1634.106343][ T74] addrconf_dad_begin+0x310/0x670 [ 1634.106343][ T74] addrconf_dad_work+0x10b/0xab0 [ 1634.106343][ T74] process_one_work+0x84d/0x18a0 [ 1634.106343][ T74] worker_thread+0x587/0xd30 [ 1634.106343][ T74] kthread+0x28a/0x350 [ 1634.106343][ T74] ret_from_fork+0x31/0x70 [ 1634.106343][ T74] ret_from_fork_asm+0x1a/0x30 [ 1634.106343][ T74] [ 1634.108261][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1634.108261][ T74] netdev_get_by_index+0x5e/0x80 [ 1634.108261][ T74] fib6_nh_init+0x3d8/0x1580 [ 1634.108261][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1634.108261][ T74] ip6_route_add+0x1c/0x140 [ 1634.108261][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1634.108261][ T74] inet6_addr_add+0x4f8/0xa40 [ 1634.108261][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1634.108261][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1634.108261][ T74] netlink_rcv_skb+0x130/0x360 [ 1634.108261][ T74] netlink_unicast+0x449/0x710 [ 1634.108261][ T74] netlink_sendmsg+0x723/0xbe0 [ 1634.108261][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1634.108261][ T74] ___sys_sendmsg+0xee/0x170 [ 1634.108261][ T74] __sys_sendmsg+0xcd/0x170 [ 1634.108261][ T74] do_syscall_64+0xc6/0x1e0 [ 1634.108261][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1634.108261][ T74] [ 1634.110266][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1634.110266][ T74] netdev_get_by_index+0x5e/0x80 [ 1634.110266][ T74] fib6_nh_init+0x3d8/0x1580 [ 1634.110266][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1634.110266][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1634.110266][ T74] ipv6_add_addr+0x411/0x2000 [ 1634.110266][ T74] inet6_addr_add+0x30e/0xa40 [ 1634.110266][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1634.110266][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1634.110266][ T74] netlink_rcv_skb+0x130/0x360 [ 1634.110266][ T74] netlink_unicast+0x449/0x710 [ 1634.110266][ T74] netlink_sendmsg+0x723/0xbe0 [ 1634.110266][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1634.110266][ T74] ___sys_sendmsg+0xee/0x170 [ 1634.110266][ T74] __sys_sendmsg+0xcd/0x170 [ 1634.110266][ T74] do_syscall_64+0xc6/0x1e0 [ 1634.110266][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1634.110266][ T74] [ 1634.112462][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1634.112462][ T74] netdev_get_by_index+0x5e/0x80 [ 1634.112462][ T74] fib6_nh_init+0x3d8/0x1580 [ 1634.112462][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1634.112462][ T74] ip6_route_add+0x1c/0x140 [ 1634.112462][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1634.112462][ T74] addrconf_add_dev+0xe2/0x170 [ 1634.112462][ T74] inet6_addr_add+0x12f/0xa40 [ 1634.112462][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1634.112462][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1634.112462][ T74] netlink_rcv_skb+0x130/0x360 [ 1634.112462][ T74] netlink_unicast+0x449/0x710 [ 1634.112462][ T74] netlink_sendmsg+0x723/0xbe0 [ 1634.112462][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1634.112462][ T74] ___sys_sendmsg+0xee/0x170 [ 1634.112462][ T74] __sys_sendmsg+0xcd/0x170 [ 1634.112462][ T74] do_syscall_64+0xc6/0x1e0 [ 1634.112462][ T74] [ 1634.114447][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1634.114447][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1634.114447][ T74] ipv6_find_idev+0x102/0x170 [ 1634.114447][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1634.114447][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1634.114447][ T74] netlink_rcv_skb+0x130/0x360 [ 1634.114447][ T74] netlink_unicast+0x449/0x710 [ 1634.114447][ T74] netlink_sendmsg+0x723/0xbe0 [ 1634.114447][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1634.114447][ T74] ___sys_sendmsg+0xee/0x170 [ 1634.114447][ T74] __sys_sendmsg+0xcd/0x170 [ 1634.114447][ T74] do_syscall_64+0xc6/0x1e0 [ 1634.114447][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1634.114447][ T74] [ 1634.115999][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1634.115999][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1634.115999][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1634.115999][ T74] ipv6_find_idev+0x102/0x170 [ 1634.115999][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1634.115999][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1634.115999][ T74] netlink_rcv_skb+0x130/0x360 [ 1634.115999][ T74] netlink_unicast+0x449/0x710 [ 1634.115999][ T74] netlink_sendmsg+0x723/0xbe0 [ 1634.115999][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1634.115999][ T74] ___sys_sendmsg+0xee/0x170 [ 1634.115999][ T74] __sys_sendmsg+0xcd/0x170 [ 1634.115999][ T74] do_syscall_64+0xc6/0x1e0 [ 1634.115999][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1634.115999][ T74] [ 1634.117714][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1634.118391][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1634.118391][ T74] dst_init+0x84/0x4a0 [ 1634.118391][ T74] dst_alloc+0x97/0x150 [ 1634.118391][ T74] ip6_dst_alloc+0x23/0x90 [ 1634.118391][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1634.118391][ T74] ip6_pol_route+0x56f/0x840 [ 1634.118391][ T74] fib6_rule_lookup+0x456/0x630 [ 1634.118391][ T74] ip6_route_input+0x59c/0xa50 [ 1634.118391][ T74] ipv6_rcv+0x397/0x810 [ 1634.118391][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1634.118391][ T74] process_backlog+0x101/0x620 [ 1634.118391][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1634.118391][ T74] net_rx_action+0x495/0xbe0 [ 1634.118391][ T74] __do_softirq+0x1b5/0x7f6 [ 1634.118391][ T74] [ 1634.120048][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1634.120048][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1634.120048][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1634.120048][ T74] fib6_nh_init+0xa22/0x1580 [ 1634.120048][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1634.120048][ T74] ip6_route_add+0x1c/0x140 [ 1634.120048][ T74] inet6_rtm_newroute+0x104/0x110 [ 1634.120048][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1634.120048][ T74] netlink_rcv_skb+0x130/0x360 [ 1634.120048][ T74] netlink_unicast+0x449/0x710 [ 1634.120048][ T74] netlink_sendmsg+0x723/0xbe0 [ 1634.120048][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1634.120048][ T74] ___sys_sendmsg+0xee/0x170 [ 1634.120048][ T74] __sys_sendmsg+0xcd/0x170 [ 1634.120048][ T74] do_syscall_64+0xc6/0x1e0 [ 1634.120048][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1634.120048][ T74] [ 1634.121951][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1634.121951][ T74] netdev_get_by_index+0x5e/0x80 [ 1634.121951][ T74] fib6_nh_init+0x3d8/0x1580 [ 1634.121951][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1634.121951][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1634.121951][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1634.121951][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1634.121951][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1634.121951][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1634.121951][ T74] addrconf_dad_begin+0x310/0x670 [ 1634.121951][ T74] addrconf_dad_work+0x10b/0xab0 [ 1634.121951][ T74] process_one_work+0x84d/0x18a0 [ 1634.121951][ T74] worker_thread+0x587/0xd30 [ 1634.121951][ T74] kthread+0x28a/0x350 [ 1634.121951][ T74] ret_from_fork+0x31/0x70 [ 1634.121951][ T74] ret_from_fork_asm+0x1a/0x30 [ 1634.121951][ T74] [ 1634.123885][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1634.123885][ T74] netdev_get_by_index+0x5e/0x80 [ 1634.123885][ T74] fib6_nh_init+0x3d8/0x1580 [ 1634.123885][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1634.123885][ T74] ip6_route_add+0x1c/0x140 [ 1634.123885][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1634.123885][ T74] inet6_addr_add+0x4f8/0xa40 [ 1634.123885][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1634.123885][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1634.123885][ T74] netlink_rcv_skb+0x130/0x360 [ 1634.123885][ T74] netlink_unicast+0x449/0x710 [ 1634.123885][ T74] netlink_sendmsg+0x723/0xbe0 [ 1634.123885][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1634.123885][ T74] ___sys_sendmsg+0xee/0x170 [ 1634.123885][ T74] __sys_sendmsg+0xcd/0x170 [ 1634.123885][ T74] do_syscall_64+0xc6/0x1e0 [ 1634.123885][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1634.123885][ T74] [ 1634.125889][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1634.125889][ T74] netdev_get_by_index+0x5e/0x80 [ 1634.125889][ T74] fib6_nh_init+0x3d8/0x1580 [ 1634.125889][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1634.125889][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1634.125889][ T74] ipv6_add_addr+0x411/0x2000 [ 1634.125889][ T74] inet6_addr_add+0x30e/0xa40 [ 1634.125889][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1634.125889][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1634.125889][ T74] netlink_rcv_skb+0x130/0x360 [ 1634.125889][ T74] netlink_unicast+0x449/0x710 [ 1634.125889][ T74] netlink_sendmsg+0x723/0xbe0 [ 1634.125889][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1634.125889][ T74] ___sys_sendmsg+0xee/0x170 [ 1634.125889][ T74] __sys_sendmsg+0xcd/0x170 [ 1634.125889][ T74] do_syscall_64+0xc6/0x1e0 [ 1634.125889][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1634.125889][ T74] [ 1634.127899][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1634.127899][ T74] netdev_get_by_index+0x5e/0x80 [ 1634.127899][ T74] fib6_nh_init+0x3d8/0x1580 [ 1634.127899][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1634.127899][ T74] ip6_route_add+0x1c/0x140 [ 1634.127899][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1634.127899][ T74] addrconf_add_dev+0xe2/0x170 [ 1634.127899][ T74] inet6_addr_add+0x12f/0xa40 [ 1634.127899][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1634.127899][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1634.127899][ T74] netlink_rcv_skb+0x130/0x360 [ 1634.127899][ T74] netlink_unicast+0x449/0x710 [ 1634.127899][ T74] netlink_sendmsg+0x723/0xbe0 [ 1634.127899][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1634.127899][ T74] ___sys_sendmsg+0xee/0x170 [ 1634.127899][ T74] __sys_sendmsg+0xcd/0x170 [ 1634.127899][ T74] do_syscall_64+0xc6/0x1e0 [ 1634.127899][ T74] [ 1634.129865][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1634.129865][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1634.129865][ T74] ipv6_find_idev+0x102/0x170 [ 1634.129865][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1634.129865][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1634.129865][ T74] netlink_rcv_skb+0x130/0x360 [ 1634.129865][ T74] netlink_unicast+0x449/0x710 [ 1634.129865][ T74] netlink_sendmsg+0x723/0xbe0 [ 1634.129865][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1634.129865][ T74] ___sys_sendmsg+0xee/0x170 [ 1634.129865][ T74] __sys_sendmsg+0xcd/0x170 [ 1634.129865][ T74] do_syscall_64+0xc6/0x1e0 [ 1634.129865][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1634.129865][ T74] [ 1634.131604][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1634.131604][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1634.131604][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1634.131604][ T74] ipv6_find_idev+0x102/0x170 [ 1634.131604][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1634.131604][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1634.131604][ T74] netlink_rcv_skb+0x130/0x360 [ 1634.131604][ T74] netlink_unicast+0x449/0x710 [ 1634.131604][ T74] netlink_sendmsg+0x723/0xbe0 [ 1634.131604][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1634.131604][ T74] ___sys_sendmsg+0xee/0x170 [ 1634.131604][ T74] __sys_sendmsg+0xcd/0x170 [ 1634.131604][ T74] do_syscall_64+0xc6/0x1e0 [ 1634.131604][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1634.131604][ T74] [ 1634.133554][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1634.133863][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1634.133863][ T74] netdev_get_by_index+0x5e/0x80 [ 1634.133863][ T74] fib6_nh_init+0x3d8/0x1580 [ 1634.133863][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1634.133863][ T74] ip6_route_add+0x1c/0x140 [ 1634.133863][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1634.133863][ T74] inet6_addr_add+0x4f8/0xa40 [ 1634.133863][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1634.133863][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1634.133863][ T74] netlink_rcv_skb+0x130/0x360 [ 1634.133863][ T74] netlink_unicast+0x449/0x710 [ 1634.133863][ T74] netlink_sendmsg+0x723/0xbe0 [ 1634.133863][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1634.133863][ T74] ___sys_sendmsg+0xee/0x170 [ 1634.133863][ T74] __sys_sendmsg+0xcd/0x170 [ 1634.133863][ T74] do_syscall_64+0xc6/0x1e0 [ 1634.133863][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1634.133863][ T74] [ 1634.135977][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1634.135977][ T74] netdev_get_by_index+0x5e/0x80 [ 1634.135977][ T74] fib6_nh_init+0x3d8/0x1580 [ 1634.135977][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1634.135977][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1634.135977][ T74] ipv6_add_addr+0x411/0x2000 [ 1634.135977][ T74] inet6_addr_add+0x30e/0xa40 [ 1634.135977][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1634.135977][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1634.135977][ T74] netlink_rcv_skb+0x130/0x360 [ 1634.135977][ T74] netlink_unicast+0x449/0x710 [ 1634.135977][ T74] netlink_sendmsg+0x723/0xbe0 [ 1634.135977][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1634.135977][ T74] ___sys_sendmsg+0xee/0x170 [ 1634.135977][ T74] __sys_sendmsg+0xcd/0x170 [ 1634.135977][ T74] do_syscall_64+0xc6/0x1e0 [ 1634.135977][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1634.135977][ T74] [ 1634.138219][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1634.138219][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1634.138219][ T74] ipv6_find_idev+0x102/0x170 [ 1634.138219][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1634.138219][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1634.138219][ T74] netlink_rcv_skb+0x130/0x360 [ 1634.138219][ T74] netlink_unicast+0x449/0x710 [ 1634.138219][ T74] netlink_sendmsg+0x723/0xbe0 [ 1634.138219][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1634.138219][ T74] ___sys_sendmsg+0xee/0x170 [ 1634.138219][ T74] __sys_sendmsg+0xcd/0x170 [ 1634.138219][ T74] do_syscall_64+0xc6/0x1e0 [ 1634.138219][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1634.138219][ T74] [ 1634.139934][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1634.139934][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1634.139934][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1634.139934][ T74] ipv6_find_idev+0x102/0x170 [ 1634.139934][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1634.139934][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1634.139934][ T74] netlink_rcv_skb+0x130/0x360 [ 1634.139934][ T74] netlink_unicast+0x449/0x710 [ 1634.139934][ T74] netlink_sendmsg+0x723/0xbe0 [ 1634.139934][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1634.139934][ T74] ___sys_sendmsg+0xee/0x170 [ 1634.139934][ T74] __sys_sendmsg+0xcd/0x170 [ 1634.139934][ T74] do_syscall_64+0xc6/0x1e0 [ 1634.139934][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1634.139934][ T74] [ 1644.288042][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1644.288454][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1644.288454][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1644.288454][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1644.288454][ T74] fib6_nh_init+0xa22/0x1580 [ 1644.288454][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1644.288454][ T74] ip6_route_add+0x1c/0x140 [ 1644.288454][ T74] inet6_rtm_newroute+0x104/0x110 [ 1644.288454][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1644.288454][ T74] netlink_rcv_skb+0x130/0x360 [ 1644.288454][ T74] netlink_unicast+0x449/0x710 [ 1644.288454][ T74] netlink_sendmsg+0x723/0xbe0 [ 1644.288454][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1644.288454][ T74] ___sys_sendmsg+0xee/0x170 [ 1644.288454][ T74] __sys_sendmsg+0xcd/0x170 [ 1644.288454][ T74] do_syscall_64+0xc6/0x1e0 [ 1644.288454][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1644.288454][ T74] [ 1644.290396][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1644.290396][ T74] netdev_get_by_index+0x5e/0x80 [ 1644.290396][ T74] fib6_nh_init+0x3d8/0x1580 [ 1644.290396][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1644.290396][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1644.290396][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1644.290396][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1644.290396][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1644.290396][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1644.290396][ T74] addrconf_dad_begin+0x310/0x670 [ 1644.290396][ T74] addrconf_dad_work+0x10b/0xab0 [ 1644.290396][ T74] process_one_work+0x84d/0x18a0 [ 1644.290396][ T74] worker_thread+0x587/0xd30 [ 1644.290396][ T74] kthread+0x28a/0x350 [ 1644.290396][ T74] ret_from_fork+0x31/0x70 [ 1644.290396][ T74] ret_from_fork_asm+0x1a/0x30 [ 1644.290396][ T74] [ 1644.292343][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1644.292343][ T74] netdev_get_by_index+0x5e/0x80 [ 1644.292343][ T74] fib6_nh_init+0x3d8/0x1580 [ 1644.292343][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1644.292343][ T74] ip6_route_add+0x1c/0x140 [ 1644.292343][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1644.292343][ T74] inet6_addr_add+0x4f8/0xa40 [ 1644.292343][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1644.292343][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1644.292343][ T74] netlink_rcv_skb+0x130/0x360 [ 1644.292343][ T74] netlink_unicast+0x449/0x710 [ 1644.292343][ T74] netlink_sendmsg+0x723/0xbe0 [ 1644.292343][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1644.292343][ T74] ___sys_sendmsg+0xee/0x170 [ 1644.292343][ T74] __sys_sendmsg+0xcd/0x170 [ 1644.292343][ T74] do_syscall_64+0xc6/0x1e0 [ 1644.292343][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1644.292343][ T74] [ 1644.294372][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1644.294372][ T74] netdev_get_by_index+0x5e/0x80 [ 1644.294372][ T74] fib6_nh_init+0x3d8/0x1580 [ 1644.294372][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1644.294372][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1644.294372][ T74] ipv6_add_addr+0x411/0x2000 [ 1644.294372][ T74] inet6_addr_add+0x30e/0xa40 [ 1644.294372][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1644.294372][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1644.294372][ T74] netlink_rcv_skb+0x130/0x360 [ 1644.294372][ T74] netlink_unicast+0x449/0x710 [ 1644.294372][ T74] netlink_sendmsg+0x723/0xbe0 [ 1644.294372][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1644.294372][ T74] ___sys_sendmsg+0xee/0x170 [ 1644.294372][ T74] __sys_sendmsg+0xcd/0x170 [ 1644.294372][ T74] do_syscall_64+0xc6/0x1e0 [ 1644.294372][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1644.294372][ T74] [ 1644.296386][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1644.296386][ T74] netdev_get_by_index+0x5e/0x80 [ 1644.296386][ T74] fib6_nh_init+0x3d8/0x1580 [ 1644.296386][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1644.296386][ T74] ip6_route_add+0x1c/0x140 [ 1644.296386][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1644.296386][ T74] addrconf_add_dev+0xe2/0x170 [ 1644.296386][ T74] inet6_addr_add+0x12f/0xa40 [ 1644.296386][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1644.296386][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1644.296386][ T74] netlink_rcv_skb+0x130/0x360 [ 1644.296386][ T74] netlink_unicast+0x449/0x710 [ 1644.296386][ T74] netlink_sendmsg+0x723/0xbe0 [ 1644.296386][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1644.296386][ T74] ___sys_sendmsg+0xee/0x170 [ 1644.296386][ T74] __sys_sendmsg+0xcd/0x170 [ 1644.296386][ T74] do_syscall_64+0xc6/0x1e0 [ 1644.296386][ T74] [ 1644.298356][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1644.298356][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1644.298356][ T74] ipv6_find_idev+0x102/0x170 [ 1644.298356][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1644.298356][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1644.298356][ T74] netlink_rcv_skb+0x130/0x360 [ 1644.298356][ T74] netlink_unicast+0x449/0x710 [ 1644.298356][ T74] netlink_sendmsg+0x723/0xbe0 [ 1644.298356][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1644.298356][ T74] ___sys_sendmsg+0xee/0x170 [ 1644.298356][ T74] __sys_sendmsg+0xcd/0x170 [ 1644.298356][ T74] do_syscall_64+0xc6/0x1e0 [ 1644.298356][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1644.298356][ T74] [ 1644.299911][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1644.299911][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1644.299911][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1644.299911][ T74] ipv6_find_idev+0x102/0x170 [ 1644.299911][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1644.299911][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1644.299911][ T74] netlink_rcv_skb+0x130/0x360 [ 1644.299911][ T74] netlink_unicast+0x449/0x710 [ 1644.299911][ T74] netlink_sendmsg+0x723/0xbe0 [ 1644.299911][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1644.299911][ T74] ___sys_sendmsg+0xee/0x170 [ 1644.299911][ T74] __sys_sendmsg+0xcd/0x170 [ 1644.299911][ T74] do_syscall_64+0xc6/0x1e0 [ 1644.299911][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1644.299911][ T74] [ 1644.301636][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1644.301930][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1644.301930][ T74] dst_init+0x84/0x4a0 [ 1644.301930][ T74] dst_alloc+0x97/0x150 [ 1644.301930][ T74] ip6_dst_alloc+0x23/0x90 [ 1644.301930][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1644.301930][ T74] ip6_pol_route+0x56f/0x840 [ 1644.301930][ T74] fib6_rule_lookup+0x456/0x630 [ 1644.301930][ T74] ip6_route_input+0x59c/0xa50 [ 1644.301930][ T74] ipv6_rcv+0x397/0x810 [ 1644.301930][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1644.301930][ T74] process_backlog+0x101/0x620 [ 1644.301930][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1644.301930][ T74] net_rx_action+0x495/0xbe0 [ 1644.301930][ T74] __do_softirq+0x1b5/0x7f6 [ 1644.301930][ T74] [ 1644.303581][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1644.303581][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1644.303581][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1644.303581][ T74] fib6_nh_init+0xa22/0x1580 [ 1644.303581][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1644.303581][ T74] ip6_route_add+0x1c/0x140 [ 1644.303581][ T74] inet6_rtm_newroute+0x104/0x110 [ 1644.303581][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1644.303581][ T74] netlink_rcv_skb+0x130/0x360 [ 1644.303581][ T74] netlink_unicast+0x449/0x710 [ 1644.303581][ T74] netlink_sendmsg+0x723/0xbe0 [ 1644.303581][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1644.303581][ T74] ___sys_sendmsg+0xee/0x170 [ 1644.303581][ T74] __sys_sendmsg+0xcd/0x170 [ 1644.303581][ T74] do_syscall_64+0xc6/0x1e0 [ 1644.303581][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1644.303581][ T74] [ 1644.305465][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1644.305465][ T74] netdev_get_by_index+0x5e/0x80 [ 1644.305465][ T74] fib6_nh_init+0x3d8/0x1580 [ 1644.305465][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1644.305465][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1644.305465][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1644.305465][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1644.305465][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1644.305465][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1644.305465][ T74] addrconf_dad_begin+0x310/0x670 [ 1644.305465][ T74] addrconf_dad_work+0x10b/0xab0 [ 1644.305465][ T74] process_one_work+0x84d/0x18a0 [ 1644.305465][ T74] worker_thread+0x587/0xd30 [ 1644.305465][ T74] kthread+0x28a/0x350 [ 1644.305465][ T74] ret_from_fork+0x31/0x70 [ 1644.305465][ T74] ret_from_fork_asm+0x1a/0x30 [ 1644.305465][ T74] [ 1644.307373][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1644.307373][ T74] netdev_get_by_index+0x5e/0x80 [ 1644.307373][ T74] fib6_nh_init+0x3d8/0x1580 [ 1644.307373][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1644.307373][ T74] ip6_route_add+0x1c/0x140 [ 1644.307373][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1644.307373][ T74] inet6_addr_add+0x4f8/0xa40 [ 1644.307373][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1644.307373][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1644.307373][ T74] netlink_rcv_skb+0x130/0x360 [ 1644.307373][ T74] netlink_unicast+0x449/0x710 [ 1644.307373][ T74] netlink_sendmsg+0x723/0xbe0 [ 1644.307373][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1644.307373][ T74] ___sys_sendmsg+0xee/0x170 [ 1644.307373][ T74] __sys_sendmsg+0xcd/0x170 [ 1644.307373][ T74] do_syscall_64+0xc6/0x1e0 [ 1644.307373][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1644.307373][ T74] [ 1644.309376][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1644.309376][ T74] netdev_get_by_index+0x5e/0x80 [ 1644.309376][ T74] fib6_nh_init+0x3d8/0x1580 [ 1644.309376][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1644.309376][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1644.309376][ T74] ipv6_add_addr+0x411/0x2000 [ 1644.309376][ T74] inet6_addr_add+0x30e/0xa40 [ 1644.309376][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1644.309376][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1644.309376][ T74] netlink_rcv_skb+0x130/0x360 [ 1644.309376][ T74] netlink_unicast+0x449/0x710 [ 1644.309376][ T74] netlink_sendmsg+0x723/0xbe0 [ 1644.309376][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1644.309376][ T74] ___sys_sendmsg+0xee/0x170 [ 1644.309376][ T74] __sys_sendmsg+0xcd/0x170 [ 1644.309376][ T74] do_syscall_64+0xc6/0x1e0 [ 1644.309376][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1644.309376][ T74] [ 1644.311415][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1644.311415][ T74] netdev_get_by_index+0x5e/0x80 [ 1644.311415][ T74] fib6_nh_init+0x3d8/0x1580 [ 1644.311415][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1644.311415][ T74] ip6_route_add+0x1c/0x140 [ 1644.311415][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1644.311415][ T74] addrconf_add_dev+0xe2/0x170 [ 1644.311415][ T74] inet6_addr_add+0x12f/0xa40 [ 1644.311415][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1644.311415][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1644.311415][ T74] netlink_rcv_skb+0x130/0x360 [ 1644.311415][ T74] netlink_unicast+0x449/0x710 [ 1644.311415][ T74] netlink_sendmsg+0x723/0xbe0 [ 1644.311415][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1644.311415][ T74] ___sys_sendmsg+0xee/0x170 [ 1644.311415][ T74] __sys_sendmsg+0xcd/0x170 [ 1644.311415][ T74] do_syscall_64+0xc6/0x1e0 [ 1644.311415][ T74] [ 1644.313390][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1644.313390][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1644.313390][ T74] ipv6_find_idev+0x102/0x170 [ 1644.313390][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1644.313390][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1644.313390][ T74] netlink_rcv_skb+0x130/0x360 [ 1644.313390][ T74] netlink_unicast+0x449/0x710 [ 1644.313390][ T74] netlink_sendmsg+0x723/0xbe0 [ 1644.313390][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1644.313390][ T74] ___sys_sendmsg+0xee/0x170 [ 1644.313390][ T74] __sys_sendmsg+0xcd/0x170 [ 1644.313390][ T74] do_syscall_64+0xc6/0x1e0 [ 1644.313390][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1644.313390][ T74] [ 1644.315051][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1644.315051][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1644.315051][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1644.315051][ T74] ipv6_find_idev+0x102/0x170 [ 1644.315051][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1644.315051][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1644.315051][ T74] netlink_rcv_skb+0x130/0x360 [ 1644.315051][ T74] netlink_unicast+0x449/0x710 [ 1644.315051][ T74] netlink_sendmsg+0x723/0xbe0 [ 1644.315051][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1644.315051][ T74] ___sys_sendmsg+0xee/0x170 [ 1644.315051][ T74] __sys_sendmsg+0xcd/0x170 [ 1644.315051][ T74] do_syscall_64+0xc6/0x1e0 [ 1644.315051][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1644.315051][ T74] [ 1644.317066][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1644.317304][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1644.317304][ T74] netdev_get_by_index+0x5e/0x80 [ 1644.317304][ T74] fib6_nh_init+0x3d8/0x1580 [ 1644.317304][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1644.317304][ T74] ip6_route_add+0x1c/0x140 [ 1644.317304][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1644.317304][ T74] inet6_addr_add+0x4f8/0xa40 [ 1644.317304][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1644.317304][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1644.317304][ T74] netlink_rcv_skb+0x130/0x360 [ 1644.317304][ T74] netlink_unicast+0x449/0x710 [ 1644.317304][ T74] netlink_sendmsg+0x723/0xbe0 [ 1644.317304][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1644.317304][ T74] ___sys_sendmsg+0xee/0x170 [ 1644.317304][ T74] __sys_sendmsg+0xcd/0x170 [ 1644.317304][ T74] do_syscall_64+0xc6/0x1e0 [ 1644.317304][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1644.317304][ T74] [ 1644.319559][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1644.319559][ T74] netdev_get_by_index+0x5e/0x80 [ 1644.319559][ T74] fib6_nh_init+0x3d8/0x1580 [ 1644.319559][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1644.319559][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1644.319559][ T74] ipv6_add_addr+0x411/0x2000 [ 1644.319559][ T74] inet6_addr_add+0x30e/0xa40 [ 1644.319559][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1644.319559][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1644.319559][ T74] netlink_rcv_skb+0x130/0x360 [ 1644.319559][ T74] netlink_unicast+0x449/0x710 [ 1644.319559][ T74] netlink_sendmsg+0x723/0xbe0 [ 1644.319559][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1644.319559][ T74] ___sys_sendmsg+0xee/0x170 [ 1644.319559][ T74] __sys_sendmsg+0xcd/0x170 [ 1644.319559][ T74] do_syscall_64+0xc6/0x1e0 [ 1644.319559][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1644.319559][ T74] [ 1644.321801][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1644.321801][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1644.321801][ T74] ipv6_find_idev+0x102/0x170 [ 1644.321801][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1644.321801][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1644.321801][ T74] netlink_rcv_skb+0x130/0x360 [ 1644.321801][ T74] netlink_unicast+0x449/0x710 [ 1644.321801][ T74] netlink_sendmsg+0x723/0xbe0 [ 1644.321801][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1644.321801][ T74] ___sys_sendmsg+0xee/0x170 [ 1644.321801][ T74] __sys_sendmsg+0xcd/0x170 [ 1644.321801][ T74] do_syscall_64+0xc6/0x1e0 [ 1644.321801][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1644.321801][ T74] [ 1644.323878][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1644.323878][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1644.323878][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1644.323878][ T74] ipv6_find_idev+0x102/0x170 [ 1644.323878][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1644.323878][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1644.323878][ T74] netlink_rcv_skb+0x130/0x360 [ 1644.323878][ T74] netlink_unicast+0x449/0x710 [ 1644.323878][ T74] netlink_sendmsg+0x723/0xbe0 [ 1644.323878][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1644.323878][ T74] ___sys_sendmsg+0xee/0x170 [ 1644.323878][ T74] __sys_sendmsg+0xcd/0x170 [ 1644.323878][ T74] do_syscall_64+0xc6/0x1e0 [ 1644.323878][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1644.323878][ T74] [ 1654.423943][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1654.424354][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1654.424354][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1654.424354][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1654.424354][ T74] fib6_nh_init+0xa22/0x1580 [ 1654.424354][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1654.424354][ T74] ip6_route_add+0x1c/0x140 [ 1654.424354][ T74] inet6_rtm_newroute+0x104/0x110 [ 1654.424354][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1654.424354][ T74] netlink_rcv_skb+0x130/0x360 [ 1654.424354][ T74] netlink_unicast+0x449/0x710 [ 1654.424354][ T74] netlink_sendmsg+0x723/0xbe0 [ 1654.424354][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1654.424354][ T74] ___sys_sendmsg+0xee/0x170 [ 1654.424354][ T74] __sys_sendmsg+0xcd/0x170 [ 1654.424354][ T74] do_syscall_64+0xc6/0x1e0 [ 1654.424354][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1654.424354][ T74] [ 1654.426418][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1654.426418][ T74] netdev_get_by_index+0x5e/0x80 [ 1654.426418][ T74] fib6_nh_init+0x3d8/0x1580 [ 1654.426418][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1654.426418][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1654.426418][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1654.426418][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1654.426418][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1654.426418][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1654.426418][ T74] addrconf_dad_begin+0x310/0x670 [ 1654.426418][ T74] addrconf_dad_work+0x10b/0xab0 [ 1654.426418][ T74] process_one_work+0x84d/0x18a0 [ 1654.426418][ T74] worker_thread+0x587/0xd30 [ 1654.426418][ T74] kthread+0x28a/0x350 [ 1654.426418][ T74] ret_from_fork+0x31/0x70 [ 1654.426418][ T74] ret_from_fork_asm+0x1a/0x30 [ 1654.426418][ T74] [ 1654.428480][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1654.428480][ T74] netdev_get_by_index+0x5e/0x80 [ 1654.428480][ T74] fib6_nh_init+0x3d8/0x1580 [ 1654.428480][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1654.428480][ T74] ip6_route_add+0x1c/0x140 [ 1654.428480][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1654.428480][ T74] inet6_addr_add+0x4f8/0xa40 [ 1654.428480][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1654.428480][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1654.428480][ T74] netlink_rcv_skb+0x130/0x360 [ 1654.428480][ T74] netlink_unicast+0x449/0x710 [ 1654.428480][ T74] netlink_sendmsg+0x723/0xbe0 [ 1654.428480][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1654.428480][ T74] ___sys_sendmsg+0xee/0x170 [ 1654.428480][ T74] __sys_sendmsg+0xcd/0x170 [ 1654.428480][ T74] do_syscall_64+0xc6/0x1e0 [ 1654.428480][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1654.428480][ T74] [ 1654.430519][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1654.430519][ T74] netdev_get_by_index+0x5e/0x80 [ 1654.430519][ T74] fib6_nh_init+0x3d8/0x1580 [ 1654.430519][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1654.430519][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1654.430519][ T74] ipv6_add_addr+0x411/0x2000 [ 1654.430519][ T74] inet6_addr_add+0x30e/0xa40 [ 1654.430519][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1654.430519][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1654.430519][ T74] netlink_rcv_skb+0x130/0x360 [ 1654.430519][ T74] netlink_unicast+0x449/0x710 [ 1654.430519][ T74] netlink_sendmsg+0x723/0xbe0 [ 1654.430519][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1654.430519][ T74] ___sys_sendmsg+0xee/0x170 [ 1654.430519][ T74] __sys_sendmsg+0xcd/0x170 [ 1654.430519][ T74] do_syscall_64+0xc6/0x1e0 [ 1654.430519][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1654.430519][ T74] [ 1654.432620][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1654.432620][ T74] netdev_get_by_index+0x5e/0x80 [ 1654.432620][ T74] fib6_nh_init+0x3d8/0x1580 [ 1654.432620][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1654.432620][ T74] ip6_route_add+0x1c/0x140 [ 1654.432620][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1654.432620][ T74] addrconf_add_dev+0xe2/0x170 [ 1654.432620][ T74] inet6_addr_add+0x12f/0xa40 [ 1654.432620][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1654.432620][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1654.432620][ T74] netlink_rcv_skb+0x130/0x360 [ 1654.432620][ T74] netlink_unicast+0x449/0x710 [ 1654.432620][ T74] netlink_sendmsg+0x723/0xbe0 [ 1654.432620][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1654.432620][ T74] ___sys_sendmsg+0xee/0x170 [ 1654.432620][ T74] __sys_sendmsg+0xcd/0x170 [ 1654.432620][ T74] do_syscall_64+0xc6/0x1e0 [ 1654.432620][ T74] [ 1654.434678][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1654.434678][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1654.434678][ T74] ipv6_find_idev+0x102/0x170 [ 1654.434678][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1654.434678][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1654.434678][ T74] netlink_rcv_skb+0x130/0x360 [ 1654.434678][ T74] netlink_unicast+0x449/0x710 [ 1654.434678][ T74] netlink_sendmsg+0x723/0xbe0 [ 1654.434678][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1654.434678][ T74] ___sys_sendmsg+0xee/0x170 [ 1654.434678][ T74] __sys_sendmsg+0xcd/0x170 [ 1654.434678][ T74] do_syscall_64+0xc6/0x1e0 [ 1654.434678][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1654.434678][ T74] [ 1654.436281][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1654.436281][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1654.436281][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1654.436281][ T74] ipv6_find_idev+0x102/0x170 [ 1654.436281][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1654.436281][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1654.436281][ T74] netlink_rcv_skb+0x130/0x360 [ 1654.436281][ T74] netlink_unicast+0x449/0x710 [ 1654.436281][ T74] netlink_sendmsg+0x723/0xbe0 [ 1654.436281][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1654.436281][ T74] ___sys_sendmsg+0xee/0x170 [ 1654.436281][ T74] __sys_sendmsg+0xcd/0x170 [ 1654.436281][ T74] do_syscall_64+0xc6/0x1e0 [ 1654.436281][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1654.436281][ T74] [ 1654.438102][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1654.438420][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1654.438420][ T74] dst_init+0x84/0x4a0 [ 1654.438420][ T74] dst_alloc+0x97/0x150 [ 1654.438420][ T74] ip6_dst_alloc+0x23/0x90 [ 1654.438420][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1654.438420][ T74] ip6_pol_route+0x56f/0x840 [ 1654.438420][ T74] fib6_rule_lookup+0x456/0x630 [ 1654.438420][ T74] ip6_route_input+0x59c/0xa50 [ 1654.438420][ T74] ipv6_rcv+0x397/0x810 [ 1654.438420][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1654.438420][ T74] process_backlog+0x101/0x620 [ 1654.438420][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1654.438420][ T74] net_rx_action+0x495/0xbe0 [ 1654.438420][ T74] __do_softirq+0x1b5/0x7f6 [ 1654.438420][ T74] [ 1654.440176][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1654.440176][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1654.440176][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1654.440176][ T74] fib6_nh_init+0xa22/0x1580 [ 1654.440176][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1654.440176][ T74] ip6_route_add+0x1c/0x140 [ 1654.440176][ T74] inet6_rtm_newroute+0x104/0x110 [ 1654.440176][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1654.440176][ T74] netlink_rcv_skb+0x130/0x360 [ 1654.440176][ T74] netlink_unicast+0x449/0x710 [ 1654.440176][ T74] netlink_sendmsg+0x723/0xbe0 [ 1654.440176][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1654.440176][ T74] ___sys_sendmsg+0xee/0x170 [ 1654.440176][ T74] __sys_sendmsg+0xcd/0x170 [ 1654.440176][ T74] do_syscall_64+0xc6/0x1e0 [ 1654.440176][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1654.440176][ T74] [ 1654.442186][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1654.442186][ T74] netdev_get_by_index+0x5e/0x80 [ 1654.442186][ T74] fib6_nh_init+0x3d8/0x1580 [ 1654.442186][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1654.442186][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1654.442186][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1654.442186][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1654.442186][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1654.442186][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1654.442186][ T74] addrconf_dad_begin+0x310/0x670 [ 1654.442186][ T74] addrconf_dad_work+0x10b/0xab0 [ 1654.442186][ T74] process_one_work+0x84d/0x18a0 [ 1654.442186][ T74] worker_thread+0x587/0xd30 [ 1654.442186][ T74] kthread+0x28a/0x350 [ 1654.442186][ T74] ret_from_fork+0x31/0x70 [ 1654.442186][ T74] ret_from_fork_asm+0x1a/0x30 [ 1654.442186][ T74] [ 1654.444236][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1654.444236][ T74] netdev_get_by_index+0x5e/0x80 [ 1654.444236][ T74] fib6_nh_init+0x3d8/0x1580 [ 1654.444236][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1654.444236][ T74] ip6_route_add+0x1c/0x140 [ 1654.444236][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1654.444236][ T74] inet6_addr_add+0x4f8/0xa40 [ 1654.444236][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1654.444236][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1654.444236][ T74] netlink_rcv_skb+0x130/0x360 [ 1654.444236][ T74] netlink_unicast+0x449/0x710 [ 1654.444236][ T74] netlink_sendmsg+0x723/0xbe0 [ 1654.444236][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1654.444236][ T74] ___sys_sendmsg+0xee/0x170 [ 1654.444236][ T74] __sys_sendmsg+0xcd/0x170 [ 1654.444236][ T74] do_syscall_64+0xc6/0x1e0 [ 1654.444236][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1654.444236][ T74] [ 1654.446288][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1654.446288][ T74] netdev_get_by_index+0x5e/0x80 [ 1654.446288][ T74] fib6_nh_init+0x3d8/0x1580 [ 1654.446288][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1654.446288][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1654.446288][ T74] ipv6_add_addr+0x411/0x2000 [ 1654.446288][ T74] inet6_addr_add+0x30e/0xa40 [ 1654.446288][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1654.446288][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1654.446288][ T74] netlink_rcv_skb+0x130/0x360 [ 1654.446288][ T74] netlink_unicast+0x449/0x710 [ 1654.446288][ T74] netlink_sendmsg+0x723/0xbe0 [ 1654.446288][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1654.446288][ T74] ___sys_sendmsg+0xee/0x170 [ 1654.446288][ T74] __sys_sendmsg+0xcd/0x170 [ 1654.446288][ T74] do_syscall_64+0xc6/0x1e0 [ 1654.446288][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1654.446288][ T74] [ 1654.448406][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1654.448406][ T74] netdev_get_by_index+0x5e/0x80 [ 1654.448406][ T74] fib6_nh_init+0x3d8/0x1580 [ 1654.448406][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1654.448406][ T74] ip6_route_add+0x1c/0x140 [ 1654.448406][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1654.448406][ T74] addrconf_add_dev+0xe2/0x170 [ 1654.448406][ T74] inet6_addr_add+0x12f/0xa40 [ 1654.448406][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1654.448406][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1654.448406][ T74] netlink_rcv_skb+0x130/0x360 [ 1654.448406][ T74] netlink_unicast+0x449/0x710 [ 1654.448406][ T74] netlink_sendmsg+0x723/0xbe0 [ 1654.448406][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1654.448406][ T74] ___sys_sendmsg+0xee/0x170 [ 1654.448406][ T74] __sys_sendmsg+0xcd/0x170 [ 1654.448406][ T74] do_syscall_64+0xc6/0x1e0 [ 1654.448406][ T74] [ 1654.450467][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1654.450467][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1654.450467][ T74] ipv6_find_idev+0x102/0x170 [ 1654.450467][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1654.450467][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1654.450467][ T74] netlink_rcv_skb+0x130/0x360 [ 1654.450467][ T74] netlink_unicast+0x449/0x710 [ 1654.450467][ T74] netlink_sendmsg+0x723/0xbe0 [ 1654.450467][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1654.450467][ T74] ___sys_sendmsg+0xee/0x170 [ 1654.450467][ T74] __sys_sendmsg+0xcd/0x170 [ 1654.450467][ T74] do_syscall_64+0xc6/0x1e0 [ 1654.450467][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1654.450467][ T74] [ 1654.452275][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1654.452275][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1654.452275][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1654.452275][ T74] ipv6_find_idev+0x102/0x170 [ 1654.452275][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1654.452275][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1654.452275][ T74] netlink_rcv_skb+0x130/0x360 [ 1654.452275][ T74] netlink_unicast+0x449/0x710 [ 1654.452275][ T74] netlink_sendmsg+0x723/0xbe0 [ 1654.452275][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1654.452275][ T74] ___sys_sendmsg+0xee/0x170 [ 1654.452275][ T74] __sys_sendmsg+0xcd/0x170 [ 1654.452275][ T74] do_syscall_64+0xc6/0x1e0 [ 1654.452275][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1654.452275][ T74] [ 1654.454272][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1654.454532][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1654.454532][ T74] netdev_get_by_index+0x5e/0x80 [ 1654.454532][ T74] fib6_nh_init+0x3d8/0x1580 [ 1654.454532][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1654.454532][ T74] ip6_route_add+0x1c/0x140 [ 1654.454532][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1654.454532][ T74] inet6_addr_add+0x4f8/0xa40 [ 1654.454532][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1654.454532][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1654.454532][ T74] netlink_rcv_skb+0x130/0x360 [ 1654.454532][ T74] netlink_unicast+0x449/0x710 [ 1654.454532][ T74] netlink_sendmsg+0x723/0xbe0 [ 1654.454532][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1654.454532][ T74] ___sys_sendmsg+0xee/0x170 [ 1654.454532][ T74] __sys_sendmsg+0xcd/0x170 [ 1654.454532][ T74] do_syscall_64+0xc6/0x1e0 [ 1654.454532][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1654.454532][ T74] [ 1654.456828][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1654.456828][ T74] netdev_get_by_index+0x5e/0x80 [ 1654.456828][ T74] fib6_nh_init+0x3d8/0x1580 [ 1654.456828][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1654.456828][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1654.456828][ T74] ipv6_add_addr+0x411/0x2000 [ 1654.456828][ T74] inet6_addr_add+0x30e/0xa40 [ 1654.456828][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1654.456828][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1654.456828][ T74] netlink_rcv_skb+0x130/0x360 [ 1654.456828][ T74] netlink_unicast+0x449/0x710 [ 1654.456828][ T74] netlink_sendmsg+0x723/0xbe0 [ 1654.456828][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1654.456828][ T74] ___sys_sendmsg+0xee/0x170 [ 1654.456828][ T74] __sys_sendmsg+0xcd/0x170 [ 1654.456828][ T74] do_syscall_64+0xc6/0x1e0 [ 1654.456828][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1654.456828][ T74] [ 1654.459130][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1654.459130][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1654.459130][ T74] ipv6_find_idev+0x102/0x170 [ 1654.459130][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1654.459130][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1654.459130][ T74] netlink_rcv_skb+0x130/0x360 [ 1654.459130][ T74] netlink_unicast+0x449/0x710 [ 1654.459130][ T74] netlink_sendmsg+0x723/0xbe0 [ 1654.459130][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1654.459130][ T74] ___sys_sendmsg+0xee/0x170 [ 1654.459130][ T74] __sys_sendmsg+0xcd/0x170 [ 1654.459130][ T74] do_syscall_64+0xc6/0x1e0 [ 1654.459130][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1654.459130][ T74] [ 1654.460896][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1654.460896][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1654.460896][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1654.460896][ T74] ipv6_find_idev+0x102/0x170 [ 1654.460896][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1654.460896][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1654.460896][ T74] netlink_rcv_skb+0x130/0x360 [ 1654.460896][ T74] netlink_unicast+0x449/0x710 [ 1654.460896][ T74] netlink_sendmsg+0x723/0xbe0 [ 1654.460896][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1654.460896][ T74] ___sys_sendmsg+0xee/0x170 [ 1654.460896][ T74] __sys_sendmsg+0xcd/0x170 [ 1654.460896][ T74] do_syscall_64+0xc6/0x1e0 [ 1654.460896][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1654.460896][ T74] [ 1664.527982][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1664.528376][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1664.528376][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1664.528376][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1664.528376][ T74] fib6_nh_init+0xa22/0x1580 [ 1664.528376][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1664.528376][ T74] ip6_route_add+0x1c/0x140 [ 1664.528376][ T74] inet6_rtm_newroute+0x104/0x110 [ 1664.528376][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1664.528376][ T74] netlink_rcv_skb+0x130/0x360 [ 1664.528376][ T74] netlink_unicast+0x449/0x710 [ 1664.528376][ T74] netlink_sendmsg+0x723/0xbe0 [ 1664.528376][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1664.528376][ T74] ___sys_sendmsg+0xee/0x170 [ 1664.528376][ T74] __sys_sendmsg+0xcd/0x170 [ 1664.528376][ T74] do_syscall_64+0xc6/0x1e0 [ 1664.528376][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1664.528376][ T74] [ 1664.530351][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1664.530351][ T74] netdev_get_by_index+0x5e/0x80 [ 1664.530351][ T74] fib6_nh_init+0x3d8/0x1580 [ 1664.530351][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1664.530351][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1664.530351][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1664.530351][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1664.530351][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1664.530351][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1664.530351][ T74] addrconf_dad_begin+0x310/0x670 [ 1664.530351][ T74] addrconf_dad_work+0x10b/0xab0 [ 1664.530351][ T74] process_one_work+0x84d/0x18a0 [ 1664.530351][ T74] worker_thread+0x587/0xd30 [ 1664.530351][ T74] kthread+0x28a/0x350 [ 1664.530351][ T74] ret_from_fork+0x31/0x70 [ 1664.530351][ T74] ret_from_fork_asm+0x1a/0x30 [ 1664.530351][ T74] [ 1664.532323][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1664.532323][ T74] netdev_get_by_index+0x5e/0x80 [ 1664.532323][ T74] fib6_nh_init+0x3d8/0x1580 [ 1664.532323][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1664.532323][ T74] ip6_route_add+0x1c/0x140 [ 1664.532323][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1664.532323][ T74] inet6_addr_add+0x4f8/0xa40 [ 1664.532323][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1664.532323][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1664.532323][ T74] netlink_rcv_skb+0x130/0x360 [ 1664.532323][ T74] netlink_unicast+0x449/0x710 [ 1664.532323][ T74] netlink_sendmsg+0x723/0xbe0 [ 1664.532323][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1664.532323][ T74] ___sys_sendmsg+0xee/0x170 [ 1664.532323][ T74] __sys_sendmsg+0xcd/0x170 [ 1664.532323][ T74] do_syscall_64+0xc6/0x1e0 [ 1664.532323][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1664.532323][ T74] [ 1664.534396][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1664.534396][ T74] netdev_get_by_index+0x5e/0x80 [ 1664.534396][ T74] fib6_nh_init+0x3d8/0x1580 [ 1664.534396][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1664.534396][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1664.534396][ T74] ipv6_add_addr+0x411/0x2000 [ 1664.534396][ T74] inet6_addr_add+0x30e/0xa40 [ 1664.534396][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1664.534396][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1664.534396][ T74] netlink_rcv_skb+0x130/0x360 [ 1664.534396][ T74] netlink_unicast+0x449/0x710 [ 1664.534396][ T74] netlink_sendmsg+0x723/0xbe0 [ 1664.534396][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1664.534396][ T74] ___sys_sendmsg+0xee/0x170 [ 1664.534396][ T74] __sys_sendmsg+0xcd/0x170 [ 1664.534396][ T74] do_syscall_64+0xc6/0x1e0 [ 1664.534396][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1664.534396][ T74] [ 1664.536433][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1664.536433][ T74] netdev_get_by_index+0x5e/0x80 [ 1664.536433][ T74] fib6_nh_init+0x3d8/0x1580 [ 1664.536433][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1664.536433][ T74] ip6_route_add+0x1c/0x140 [ 1664.536433][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1664.536433][ T74] addrconf_add_dev+0xe2/0x170 [ 1664.536433][ T74] inet6_addr_add+0x12f/0xa40 [ 1664.536433][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1664.536433][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1664.536433][ T74] netlink_rcv_skb+0x130/0x360 [ 1664.536433][ T74] netlink_unicast+0x449/0x710 [ 1664.536433][ T74] netlink_sendmsg+0x723/0xbe0 [ 1664.536433][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1664.536433][ T74] ___sys_sendmsg+0xee/0x170 [ 1664.536433][ T74] __sys_sendmsg+0xcd/0x170 [ 1664.536433][ T74] do_syscall_64+0xc6/0x1e0 [ 1664.536433][ T74] [ 1664.538544][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1664.538544][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1664.538544][ T74] ipv6_find_idev+0x102/0x170 [ 1664.538544][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1664.538544][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1664.538544][ T74] netlink_rcv_skb+0x130/0x360 [ 1664.538544][ T74] netlink_unicast+0x449/0x710 [ 1664.538544][ T74] netlink_sendmsg+0x723/0xbe0 [ 1664.538544][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1664.538544][ T74] ___sys_sendmsg+0xee/0x170 [ 1664.538544][ T74] __sys_sendmsg+0xcd/0x170 [ 1664.538544][ T74] do_syscall_64+0xc6/0x1e0 [ 1664.538544][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1664.538544][ T74] [ 1664.540985][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1664.540985][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1664.540985][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1664.540985][ T74] ipv6_find_idev+0x102/0x170 [ 1664.540985][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1664.540985][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1664.540985][ T74] netlink_rcv_skb+0x130/0x360 [ 1664.540985][ T74] netlink_unicast+0x449/0x710 [ 1664.540985][ T74] netlink_sendmsg+0x723/0xbe0 [ 1664.540985][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1664.540985][ T74] ___sys_sendmsg+0xee/0x170 [ 1664.540985][ T74] __sys_sendmsg+0xcd/0x170 [ 1664.540985][ T74] do_syscall_64+0xc6/0x1e0 [ 1664.540985][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1664.540985][ T74] [ 1664.543699][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1664.544146][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1664.544146][ T74] dst_init+0x84/0x4a0 [ 1664.544146][ T74] dst_alloc+0x97/0x150 [ 1664.544146][ T74] ip6_dst_alloc+0x23/0x90 [ 1664.544146][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1664.544146][ T74] ip6_pol_route+0x56f/0x840 [ 1664.544146][ T74] fib6_rule_lookup+0x456/0x630 [ 1664.544146][ T74] ip6_route_input+0x59c/0xa50 [ 1664.544146][ T74] ipv6_rcv+0x397/0x810 [ 1664.544146][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1664.544146][ T74] process_backlog+0x101/0x620 [ 1664.544146][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1664.544146][ T74] net_rx_action+0x495/0xbe0 [ 1664.544146][ T74] __do_softirq+0x1b5/0x7f6 [ 1664.544146][ T74] [ 1664.545873][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1664.545873][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1664.545873][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1664.545873][ T74] fib6_nh_init+0xa22/0x1580 [ 1664.545873][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1664.545873][ T74] ip6_route_add+0x1c/0x140 [ 1664.545873][ T74] inet6_rtm_newroute+0x104/0x110 [ 1664.545873][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1664.545873][ T74] netlink_rcv_skb+0x130/0x360 [ 1664.545873][ T74] netlink_unicast+0x449/0x710 [ 1664.545873][ T74] netlink_sendmsg+0x723/0xbe0 [ 1664.545873][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1664.545873][ T74] ___sys_sendmsg+0xee/0x170 [ 1664.545873][ T74] __sys_sendmsg+0xcd/0x170 [ 1664.545873][ T74] do_syscall_64+0xc6/0x1e0 [ 1664.545873][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1664.545873][ T74] [ 1664.547781][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1664.547781][ T74] netdev_get_by_index+0x5e/0x80 [ 1664.547781][ T74] fib6_nh_init+0x3d8/0x1580 [ 1664.547781][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1664.547781][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1664.547781][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1664.547781][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1664.547781][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1664.547781][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1664.547781][ T74] addrconf_dad_begin+0x310/0x670 [ 1664.547781][ T74] addrconf_dad_work+0x10b/0xab0 [ 1664.547781][ T74] process_one_work+0x84d/0x18a0 [ 1664.547781][ T74] worker_thread+0x587/0xd30 [ 1664.547781][ T74] kthread+0x28a/0x350 [ 1664.547781][ T74] ret_from_fork+0x31/0x70 [ 1664.547781][ T74] ret_from_fork_asm+0x1a/0x30 [ 1664.547781][ T74] [ 1664.549884][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1664.549884][ T74] netdev_get_by_index+0x5e/0x80 [ 1664.549884][ T74] fib6_nh_init+0x3d8/0x1580 [ 1664.549884][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1664.549884][ T74] ip6_route_add+0x1c/0x140 [ 1664.549884][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1664.549884][ T74] inet6_addr_add+0x4f8/0xa40 [ 1664.549884][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1664.549884][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1664.549884][ T74] netlink_rcv_skb+0x130/0x360 [ 1664.549884][ T74] netlink_unicast+0x449/0x710 [ 1664.549884][ T74] netlink_sendmsg+0x723/0xbe0 [ 1664.549884][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1664.549884][ T74] ___sys_sendmsg+0xee/0x170 [ 1664.549884][ T74] __sys_sendmsg+0xcd/0x170 [ 1664.549884][ T74] do_syscall_64+0xc6/0x1e0 [ 1664.549884][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1664.549884][ T74] [ 1664.551943][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1664.551943][ T74] netdev_get_by_index+0x5e/0x80 [ 1664.551943][ T74] fib6_nh_init+0x3d8/0x1580 [ 1664.551943][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1664.551943][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1664.551943][ T74] ipv6_add_addr+0x411/0x2000 [ 1664.551943][ T74] inet6_addr_add+0x30e/0xa40 [ 1664.551943][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1664.551943][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1664.551943][ T74] netlink_rcv_skb+0x130/0x360 [ 1664.551943][ T74] netlink_unicast+0x449/0x710 [ 1664.551943][ T74] netlink_sendmsg+0x723/0xbe0 [ 1664.551943][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1664.551943][ T74] ___sys_sendmsg+0xee/0x170 [ 1664.551943][ T74] __sys_sendmsg+0xcd/0x170 [ 1664.551943][ T74] do_syscall_64+0xc6/0x1e0 [ 1664.551943][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1664.551943][ T74] [ 1664.554016][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1664.554016][ T74] netdev_get_by_index+0x5e/0x80 [ 1664.554016][ T74] fib6_nh_init+0x3d8/0x1580 [ 1664.554016][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1664.554016][ T74] ip6_route_add+0x1c/0x140 [ 1664.554016][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1664.554016][ T74] addrconf_add_dev+0xe2/0x170 [ 1664.554016][ T74] inet6_addr_add+0x12f/0xa40 [ 1664.554016][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1664.554016][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1664.554016][ T74] netlink_rcv_skb+0x130/0x360 [ 1664.554016][ T74] netlink_unicast+0x449/0x710 [ 1664.554016][ T74] netlink_sendmsg+0x723/0xbe0 [ 1664.554016][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1664.554016][ T74] ___sys_sendmsg+0xee/0x170 [ 1664.554016][ T74] __sys_sendmsg+0xcd/0x170 [ 1664.554016][ T74] do_syscall_64+0xc6/0x1e0 [ 1664.554016][ T74] [ 1664.556035][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1664.556035][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1664.556035][ T74] ipv6_find_idev+0x102/0x170 [ 1664.556035][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1664.556035][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1664.556035][ T74] netlink_rcv_skb+0x130/0x360 [ 1664.556035][ T74] netlink_unicast+0x449/0x710 [ 1664.556035][ T74] netlink_sendmsg+0x723/0xbe0 [ 1664.556035][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1664.556035][ T74] ___sys_sendmsg+0xee/0x170 [ 1664.556035][ T74] __sys_sendmsg+0xcd/0x170 [ 1664.556035][ T74] do_syscall_64+0xc6/0x1e0 [ 1664.556035][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1664.556035][ T74] [ 1664.557800][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1664.557800][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1664.557800][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1664.557800][ T74] ipv6_find_idev+0x102/0x170 [ 1664.557800][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1664.557800][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1664.557800][ T74] netlink_rcv_skb+0x130/0x360 [ 1664.557800][ T74] netlink_unicast+0x449/0x710 [ 1664.557800][ T74] netlink_sendmsg+0x723/0xbe0 [ 1664.557800][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1664.557800][ T74] ___sys_sendmsg+0xee/0x170 [ 1664.557800][ T74] __sys_sendmsg+0xcd/0x170 [ 1664.557800][ T74] do_syscall_64+0xc6/0x1e0 [ 1664.557800][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1664.557800][ T74] [ 1664.559785][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1664.560117][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1664.560117][ T74] netdev_get_by_index+0x5e/0x80 [ 1664.560117][ T74] fib6_nh_init+0x3d8/0x1580 [ 1664.560117][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1664.560117][ T74] ip6_route_add+0x1c/0x140 [ 1664.560117][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1664.560117][ T74] inet6_addr_add+0x4f8/0xa40 [ 1664.560117][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1664.560117][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1664.560117][ T74] netlink_rcv_skb+0x130/0x360 [ 1664.560117][ T74] netlink_unicast+0x449/0x710 [ 1664.560117][ T74] netlink_sendmsg+0x723/0xbe0 [ 1664.560117][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1664.560117][ T74] ___sys_sendmsg+0xee/0x170 [ 1664.560117][ T74] __sys_sendmsg+0xcd/0x170 [ 1664.560117][ T74] do_syscall_64+0xc6/0x1e0 [ 1664.560117][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1664.560117][ T74] [ 1664.562531][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1664.562531][ T74] netdev_get_by_index+0x5e/0x80 [ 1664.562531][ T74] fib6_nh_init+0x3d8/0x1580 [ 1664.562531][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1664.562531][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1664.562531][ T74] ipv6_add_addr+0x411/0x2000 [ 1664.562531][ T74] inet6_addr_add+0x30e/0xa40 [ 1664.562531][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1664.562531][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1664.562531][ T74] netlink_rcv_skb+0x130/0x360 [ 1664.562531][ T74] netlink_unicast+0x449/0x710 [ 1664.562531][ T74] netlink_sendmsg+0x723/0xbe0 [ 1664.562531][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1664.562531][ T74] ___sys_sendmsg+0xee/0x170 [ 1664.562531][ T74] __sys_sendmsg+0xcd/0x170 [ 1664.562531][ T74] do_syscall_64+0xc6/0x1e0 [ 1664.562531][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1664.562531][ T74] [ 1664.564792][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1664.564792][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1664.564792][ T74] ipv6_find_idev+0x102/0x170 [ 1664.564792][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1664.564792][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1664.564792][ T74] netlink_rcv_skb+0x130/0x360 [ 1664.564792][ T74] netlink_unicast+0x449/0x710 [ 1664.564792][ T74] netlink_sendmsg+0x723/0xbe0 [ 1664.564792][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1664.564792][ T74] ___sys_sendmsg+0xee/0x170 [ 1664.564792][ T74] __sys_sendmsg+0xcd/0x170 [ 1664.564792][ T74] do_syscall_64+0xc6/0x1e0 [ 1664.564792][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1664.564792][ T74] [ 1664.566556][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1664.566556][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1664.566556][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1664.566556][ T74] ipv6_find_idev+0x102/0x170 [ 1664.566556][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1664.566556][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1664.566556][ T74] netlink_rcv_skb+0x130/0x360 [ 1664.566556][ T74] netlink_unicast+0x449/0x710 [ 1664.566556][ T74] netlink_sendmsg+0x723/0xbe0 [ 1664.566556][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1664.566556][ T74] ___sys_sendmsg+0xee/0x170 [ 1664.566556][ T74] __sys_sendmsg+0xcd/0x170 [ 1664.566556][ T74] do_syscall_64+0xc6/0x1e0 [ 1664.566556][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1664.566556][ T74] [ 1674.688037][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1674.688529][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1674.688529][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1674.688529][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1674.688529][ T74] fib6_nh_init+0xa22/0x1580 [ 1674.688529][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1674.688529][ T74] ip6_route_add+0x1c/0x140 [ 1674.688529][ T74] inet6_rtm_newroute+0x104/0x110 [ 1674.688529][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1674.688529][ T74] netlink_rcv_skb+0x130/0x360 [ 1674.688529][ T74] netlink_unicast+0x449/0x710 [ 1674.688529][ T74] netlink_sendmsg+0x723/0xbe0 [ 1674.688529][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1674.688529][ T74] ___sys_sendmsg+0xee/0x170 [ 1674.688529][ T74] __sys_sendmsg+0xcd/0x170 [ 1674.688529][ T74] do_syscall_64+0xc6/0x1e0 [ 1674.688529][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1674.688529][ T74] [ 1674.690447][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1674.690447][ T74] netdev_get_by_index+0x5e/0x80 [ 1674.690447][ T74] fib6_nh_init+0x3d8/0x1580 [ 1674.690447][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1674.690447][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1674.690447][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1674.690447][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1674.690447][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1674.690447][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1674.690447][ T74] addrconf_dad_begin+0x310/0x670 [ 1674.690447][ T74] addrconf_dad_work+0x10b/0xab0 [ 1674.690447][ T74] process_one_work+0x84d/0x18a0 [ 1674.690447][ T74] worker_thread+0x587/0xd30 [ 1674.690447][ T74] kthread+0x28a/0x350 [ 1674.690447][ T74] ret_from_fork+0x31/0x70 [ 1674.690447][ T74] ret_from_fork_asm+0x1a/0x30 [ 1674.690447][ T74] [ 1674.692412][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1674.692412][ T74] netdev_get_by_index+0x5e/0x80 [ 1674.692412][ T74] fib6_nh_init+0x3d8/0x1580 [ 1674.692412][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1674.692412][ T74] ip6_route_add+0x1c/0x140 [ 1674.692412][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1674.692412][ T74] inet6_addr_add+0x4f8/0xa40 [ 1674.692412][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1674.692412][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1674.692412][ T74] netlink_rcv_skb+0x130/0x360 [ 1674.692412][ T74] netlink_unicast+0x449/0x710 [ 1674.692412][ T74] netlink_sendmsg+0x723/0xbe0 [ 1674.692412][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1674.692412][ T74] ___sys_sendmsg+0xee/0x170 [ 1674.692412][ T74] __sys_sendmsg+0xcd/0x170 [ 1674.692412][ T74] do_syscall_64+0xc6/0x1e0 [ 1674.692412][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1674.692412][ T74] [ 1674.694406][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1674.694406][ T74] netdev_get_by_index+0x5e/0x80 [ 1674.694406][ T74] fib6_nh_init+0x3d8/0x1580 [ 1674.694406][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1674.694406][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1674.694406][ T74] ipv6_add_addr+0x411/0x2000 [ 1674.694406][ T74] inet6_addr_add+0x30e/0xa40 [ 1674.694406][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1674.694406][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1674.694406][ T74] netlink_rcv_skb+0x130/0x360 [ 1674.694406][ T74] netlink_unicast+0x449/0x710 [ 1674.694406][ T74] netlink_sendmsg+0x723/0xbe0 [ 1674.694406][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1674.694406][ T74] ___sys_sendmsg+0xee/0x170 [ 1674.694406][ T74] __sys_sendmsg+0xcd/0x170 [ 1674.694406][ T74] do_syscall_64+0xc6/0x1e0 [ 1674.694406][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1674.694406][ T74] [ 1674.696408][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1674.696408][ T74] netdev_get_by_index+0x5e/0x80 [ 1674.696408][ T74] fib6_nh_init+0x3d8/0x1580 [ 1674.696408][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1674.696408][ T74] ip6_route_add+0x1c/0x140 [ 1674.696408][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1674.696408][ T74] addrconf_add_dev+0xe2/0x170 [ 1674.696408][ T74] inet6_addr_add+0x12f/0xa40 [ 1674.696408][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1674.696408][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1674.696408][ T74] netlink_rcv_skb+0x130/0x360 [ 1674.696408][ T74] netlink_unicast+0x449/0x710 [ 1674.696408][ T74] netlink_sendmsg+0x723/0xbe0 [ 1674.696408][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1674.696408][ T74] ___sys_sendmsg+0xee/0x170 [ 1674.696408][ T74] __sys_sendmsg+0xcd/0x170 [ 1674.696408][ T74] do_syscall_64+0xc6/0x1e0 [ 1674.696408][ T74] [ 1674.698377][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1674.698377][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1674.698377][ T74] ipv6_find_idev+0x102/0x170 [ 1674.698377][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1674.698377][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1674.698377][ T74] netlink_rcv_skb+0x130/0x360 [ 1674.698377][ T74] netlink_unicast+0x449/0x710 [ 1674.698377][ T74] netlink_sendmsg+0x723/0xbe0 [ 1674.698377][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1674.698377][ T74] ___sys_sendmsg+0xee/0x170 [ 1674.698377][ T74] __sys_sendmsg+0xcd/0x170 [ 1674.698377][ T74] do_syscall_64+0xc6/0x1e0 [ 1674.698377][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1674.698377][ T74] [ 1674.699937][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1674.699937][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1674.699937][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1674.699937][ T74] ipv6_find_idev+0x102/0x170 [ 1674.699937][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1674.699937][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1674.699937][ T74] netlink_rcv_skb+0x130/0x360 [ 1674.699937][ T74] netlink_unicast+0x449/0x710 [ 1674.699937][ T74] netlink_sendmsg+0x723/0xbe0 [ 1674.699937][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1674.699937][ T74] ___sys_sendmsg+0xee/0x170 [ 1674.699937][ T74] __sys_sendmsg+0xcd/0x170 [ 1674.699937][ T74] do_syscall_64+0xc6/0x1e0 [ 1674.699937][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1674.699937][ T74] [ 1674.701658][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1674.701947][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1674.701947][ T74] dst_init+0x84/0x4a0 [ 1674.701947][ T74] dst_alloc+0x97/0x150 [ 1674.701947][ T74] ip6_dst_alloc+0x23/0x90 [ 1674.701947][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1674.701947][ T74] ip6_pol_route+0x56f/0x840 [ 1674.701947][ T74] fib6_rule_lookup+0x456/0x630 [ 1674.701947][ T74] ip6_route_input+0x59c/0xa50 [ 1674.701947][ T74] ipv6_rcv+0x397/0x810 [ 1674.701947][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1674.701947][ T74] process_backlog+0x101/0x620 [ 1674.701947][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1674.701947][ T74] net_rx_action+0x495/0xbe0 [ 1674.701947][ T74] __do_softirq+0x1b5/0x7f6 [ 1674.701947][ T74] [ 1674.703592][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1674.703592][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1674.703592][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1674.703592][ T74] fib6_nh_init+0xa22/0x1580 [ 1674.703592][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1674.703592][ T74] ip6_route_add+0x1c/0x140 [ 1674.703592][ T74] inet6_rtm_newroute+0x104/0x110 [ 1674.703592][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1674.703592][ T74] netlink_rcv_skb+0x130/0x360 [ 1674.703592][ T74] netlink_unicast+0x449/0x710 [ 1674.703592][ T74] netlink_sendmsg+0x723/0xbe0 [ 1674.703592][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1674.703592][ T74] ___sys_sendmsg+0xee/0x170 [ 1674.703592][ T74] __sys_sendmsg+0xcd/0x170 [ 1674.703592][ T74] do_syscall_64+0xc6/0x1e0 [ 1674.703592][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1674.703592][ T74] [ 1674.705470][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1674.705470][ T74] netdev_get_by_index+0x5e/0x80 [ 1674.705470][ T74] fib6_nh_init+0x3d8/0x1580 [ 1674.705470][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1674.705470][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1674.705470][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1674.705470][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1674.705470][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1674.705470][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1674.705470][ T74] addrconf_dad_begin+0x310/0x670 [ 1674.705470][ T74] addrconf_dad_work+0x10b/0xab0 [ 1674.705470][ T74] process_one_work+0x84d/0x18a0 [ 1674.705470][ T74] worker_thread+0x587/0xd30 [ 1674.705470][ T74] kthread+0x28a/0x350 [ 1674.705470][ T74] ret_from_fork+0x31/0x70 [ 1674.705470][ T74] ret_from_fork_asm+0x1a/0x30 [ 1674.705470][ T74] [ 1674.707398][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1674.707398][ T74] netdev_get_by_index+0x5e/0x80 [ 1674.707398][ T74] fib6_nh_init+0x3d8/0x1580 [ 1674.707398][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1674.707398][ T74] ip6_route_add+0x1c/0x140 [ 1674.707398][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1674.707398][ T74] inet6_addr_add+0x4f8/0xa40 [ 1674.707398][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1674.707398][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1674.707398][ T74] netlink_rcv_skb+0x130/0x360 [ 1674.707398][ T74] netlink_unicast+0x449/0x710 [ 1674.707398][ T74] netlink_sendmsg+0x723/0xbe0 [ 1674.707398][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1674.707398][ T74] ___sys_sendmsg+0xee/0x170 [ 1674.707398][ T74] __sys_sendmsg+0xcd/0x170 [ 1674.707398][ T74] do_syscall_64+0xc6/0x1e0 [ 1674.707398][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1674.707398][ T74] [ 1674.709394][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1674.709394][ T74] netdev_get_by_index+0x5e/0x80 [ 1674.709394][ T74] fib6_nh_init+0x3d8/0x1580 [ 1674.709394][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1674.709394][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1674.709394][ T74] ipv6_add_addr+0x411/0x2000 [ 1674.709394][ T74] inet6_addr_add+0x30e/0xa40 [ 1674.709394][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1674.709394][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1674.709394][ T74] netlink_rcv_skb+0x130/0x360 [ 1674.709394][ T74] netlink_unicast+0x449/0x710 [ 1674.709394][ T74] netlink_sendmsg+0x723/0xbe0 [ 1674.709394][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1674.709394][ T74] ___sys_sendmsg+0xee/0x170 [ 1674.709394][ T74] __sys_sendmsg+0xcd/0x170 [ 1674.709394][ T74] do_syscall_64+0xc6/0x1e0 [ 1674.709394][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1674.709394][ T74] [ 1674.711387][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1674.711387][ T74] netdev_get_by_index+0x5e/0x80 [ 1674.711387][ T74] fib6_nh_init+0x3d8/0x1580 [ 1674.711387][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1674.711387][ T74] ip6_route_add+0x1c/0x140 [ 1674.711387][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1674.711387][ T74] addrconf_add_dev+0xe2/0x170 [ 1674.711387][ T74] inet6_addr_add+0x12f/0xa40 [ 1674.711387][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1674.711387][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1674.711387][ T74] netlink_rcv_skb+0x130/0x360 [ 1674.711387][ T74] netlink_unicast+0x449/0x710 [ 1674.711387][ T74] netlink_sendmsg+0x723/0xbe0 [ 1674.711387][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1674.711387][ T74] ___sys_sendmsg+0xee/0x170 [ 1674.711387][ T74] __sys_sendmsg+0xcd/0x170 [ 1674.711387][ T74] do_syscall_64+0xc6/0x1e0 [ 1674.711387][ T74] [ 1674.713353][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1674.713353][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1674.713353][ T74] ipv6_find_idev+0x102/0x170 [ 1674.713353][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1674.713353][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1674.713353][ T74] netlink_rcv_skb+0x130/0x360 [ 1674.713353][ T74] netlink_unicast+0x449/0x710 [ 1674.713353][ T74] netlink_sendmsg+0x723/0xbe0 [ 1674.713353][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1674.713353][ T74] ___sys_sendmsg+0xee/0x170 [ 1674.713353][ T74] __sys_sendmsg+0xcd/0x170 [ 1674.713353][ T74] do_syscall_64+0xc6/0x1e0 [ 1674.713353][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1674.713353][ T74] [ 1674.715085][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1674.715085][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1674.715085][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1674.715085][ T74] ipv6_find_idev+0x102/0x170 [ 1674.715085][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1674.715085][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1674.715085][ T74] netlink_rcv_skb+0x130/0x360 [ 1674.715085][ T74] netlink_unicast+0x449/0x710 [ 1674.715085][ T74] netlink_sendmsg+0x723/0xbe0 [ 1674.715085][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1674.715085][ T74] ___sys_sendmsg+0xee/0x170 [ 1674.715085][ T74] __sys_sendmsg+0xcd/0x170 [ 1674.715085][ T74] do_syscall_64+0xc6/0x1e0 [ 1674.715085][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1674.715085][ T74] [ 1674.717076][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1674.717318][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1674.717318][ T74] netdev_get_by_index+0x5e/0x80 [ 1674.717318][ T74] fib6_nh_init+0x3d8/0x1580 [ 1674.717318][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1674.717318][ T74] ip6_route_add+0x1c/0x140 [ 1674.717318][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1674.717318][ T74] inet6_addr_add+0x4f8/0xa40 [ 1674.717318][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1674.717318][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1674.717318][ T74] netlink_rcv_skb+0x130/0x360 [ 1674.717318][ T74] netlink_unicast+0x449/0x710 [ 1674.717318][ T74] netlink_sendmsg+0x723/0xbe0 [ 1674.717318][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1674.717318][ T74] ___sys_sendmsg+0xee/0x170 [ 1674.717318][ T74] __sys_sendmsg+0xcd/0x170 [ 1674.717318][ T74] do_syscall_64+0xc6/0x1e0 [ 1674.717318][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1674.717318][ T74] [ 1674.719562][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1674.719562][ T74] netdev_get_by_index+0x5e/0x80 [ 1674.719562][ T74] fib6_nh_init+0x3d8/0x1580 [ 1674.719562][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1674.719562][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1674.719562][ T74] ipv6_add_addr+0x411/0x2000 [ 1674.719562][ T74] inet6_addr_add+0x30e/0xa40 [ 1674.719562][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1674.719562][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1674.719562][ T74] netlink_rcv_skb+0x130/0x360 [ 1674.719562][ T74] netlink_unicast+0x449/0x710 [ 1674.719562][ T74] netlink_sendmsg+0x723/0xbe0 [ 1674.719562][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1674.719562][ T74] ___sys_sendmsg+0xee/0x170 [ 1674.719562][ T74] __sys_sendmsg+0xcd/0x170 [ 1674.719562][ T74] do_syscall_64+0xc6/0x1e0 [ 1674.719562][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1674.719562][ T74] [ 1674.721792][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1674.721792][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1674.721792][ T74] ipv6_find_idev+0x102/0x170 [ 1674.721792][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1674.721792][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1674.721792][ T74] netlink_rcv_skb+0x130/0x360 [ 1674.721792][ T74] netlink_unicast+0x449/0x710 [ 1674.721792][ T74] netlink_sendmsg+0x723/0xbe0 [ 1674.721792][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1674.721792][ T74] ___sys_sendmsg+0xee/0x170 [ 1674.721792][ T74] __sys_sendmsg+0xcd/0x170 [ 1674.721792][ T74] do_syscall_64+0xc6/0x1e0 [ 1674.721792][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1674.721792][ T74] [ 1674.723504][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1674.723504][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1674.723504][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1674.723504][ T74] ipv6_find_idev+0x102/0x170 [ 1674.723504][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1674.723504][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1674.723504][ T74] netlink_rcv_skb+0x130/0x360 [ 1674.723504][ T74] netlink_unicast+0x449/0x710 [ 1674.723504][ T74] netlink_sendmsg+0x723/0xbe0 [ 1674.723504][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1674.723504][ T74] ___sys_sendmsg+0xee/0x170 [ 1674.723504][ T74] __sys_sendmsg+0xcd/0x170 [ 1674.723504][ T74] do_syscall_64+0xc6/0x1e0 [ 1674.723504][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1674.723504][ T74] [ 1684.728047][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1684.728437][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1684.728437][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1684.728437][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1684.728437][ T74] fib6_nh_init+0xa22/0x1580 [ 1684.728437][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1684.728437][ T74] ip6_route_add+0x1c/0x140 [ 1684.728437][ T74] inet6_rtm_newroute+0x104/0x110 [ 1684.728437][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1684.728437][ T74] netlink_rcv_skb+0x130/0x360 [ 1684.728437][ T74] netlink_unicast+0x449/0x710 [ 1684.728437][ T74] netlink_sendmsg+0x723/0xbe0 [ 1684.728437][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1684.728437][ T74] ___sys_sendmsg+0xee/0x170 [ 1684.728437][ T74] __sys_sendmsg+0xcd/0x170 [ 1684.728437][ T74] do_syscall_64+0xc6/0x1e0 [ 1684.728437][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1684.728437][ T74] [ 1684.730406][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1684.730406][ T74] netdev_get_by_index+0x5e/0x80 [ 1684.730406][ T74] fib6_nh_init+0x3d8/0x1580 [ 1684.730406][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1684.730406][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1684.730406][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1684.730406][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1684.730406][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1684.730406][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1684.730406][ T74] addrconf_dad_begin+0x310/0x670 [ 1684.730406][ T74] addrconf_dad_work+0x10b/0xab0 [ 1684.730406][ T74] process_one_work+0x84d/0x18a0 [ 1684.730406][ T74] worker_thread+0x587/0xd30 [ 1684.730406][ T74] kthread+0x28a/0x350 [ 1684.730406][ T74] ret_from_fork+0x31/0x70 [ 1684.730406][ T74] ret_from_fork_asm+0x1a/0x30 [ 1684.730406][ T74] [ 1684.732433][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1684.732433][ T74] netdev_get_by_index+0x5e/0x80 [ 1684.732433][ T74] fib6_nh_init+0x3d8/0x1580 [ 1684.732433][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1684.732433][ T74] ip6_route_add+0x1c/0x140 [ 1684.732433][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1684.732433][ T74] inet6_addr_add+0x4f8/0xa40 [ 1684.732433][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1684.732433][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1684.732433][ T74] netlink_rcv_skb+0x130/0x360 [ 1684.732433][ T74] netlink_unicast+0x449/0x710 [ 1684.732433][ T74] netlink_sendmsg+0x723/0xbe0 [ 1684.732433][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1684.732433][ T74] ___sys_sendmsg+0xee/0x170 [ 1684.732433][ T74] __sys_sendmsg+0xcd/0x170 [ 1684.732433][ T74] do_syscall_64+0xc6/0x1e0 [ 1684.732433][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1684.732433][ T74] [ 1684.734533][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1684.734533][ T74] netdev_get_by_index+0x5e/0x80 [ 1684.734533][ T74] fib6_nh_init+0x3d8/0x1580 [ 1684.734533][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1684.734533][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1684.734533][ T74] ipv6_add_addr+0x411/0x2000 [ 1684.734533][ T74] inet6_addr_add+0x30e/0xa40 [ 1684.734533][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1684.734533][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1684.734533][ T74] netlink_rcv_skb+0x130/0x360 [ 1684.734533][ T74] netlink_unicast+0x449/0x710 [ 1684.734533][ T74] netlink_sendmsg+0x723/0xbe0 [ 1684.734533][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1684.734533][ T74] ___sys_sendmsg+0xee/0x170 [ 1684.734533][ T74] __sys_sendmsg+0xcd/0x170 [ 1684.734533][ T74] do_syscall_64+0xc6/0x1e0 [ 1684.734533][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1684.734533][ T74] [ 1684.736678][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1684.736678][ T74] netdev_get_by_index+0x5e/0x80 [ 1684.736678][ T74] fib6_nh_init+0x3d8/0x1580 [ 1684.736678][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1684.736678][ T74] ip6_route_add+0x1c/0x140 [ 1684.736678][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1684.736678][ T74] addrconf_add_dev+0xe2/0x170 [ 1684.736678][ T74] inet6_addr_add+0x12f/0xa40 [ 1684.736678][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1684.736678][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1684.736678][ T74] netlink_rcv_skb+0x130/0x360 [ 1684.736678][ T74] netlink_unicast+0x449/0x710 [ 1684.736678][ T74] netlink_sendmsg+0x723/0xbe0 [ 1684.736678][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1684.736678][ T74] ___sys_sendmsg+0xee/0x170 [ 1684.736678][ T74] __sys_sendmsg+0xcd/0x170 [ 1684.736678][ T74] do_syscall_64+0xc6/0x1e0 [ 1684.736678][ T74] [ 1684.738753][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1684.738753][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1684.738753][ T74] ipv6_find_idev+0x102/0x170 [ 1684.738753][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1684.738753][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1684.738753][ T74] netlink_rcv_skb+0x130/0x360 [ 1684.738753][ T74] netlink_unicast+0x449/0x710 [ 1684.738753][ T74] netlink_sendmsg+0x723/0xbe0 [ 1684.738753][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1684.738753][ T74] ___sys_sendmsg+0xee/0x170 [ 1684.738753][ T74] __sys_sendmsg+0xcd/0x170 [ 1684.738753][ T74] do_syscall_64+0xc6/0x1e0 [ 1684.738753][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1684.738753][ T74] [ 1684.740365][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1684.740365][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1684.740365][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1684.740365][ T74] ipv6_find_idev+0x102/0x170 [ 1684.740365][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1684.740365][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1684.740365][ T74] netlink_rcv_skb+0x130/0x360 [ 1684.740365][ T74] netlink_unicast+0x449/0x710 [ 1684.740365][ T74] netlink_sendmsg+0x723/0xbe0 [ 1684.740365][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1684.740365][ T74] ___sys_sendmsg+0xee/0x170 [ 1684.740365][ T74] __sys_sendmsg+0xcd/0x170 [ 1684.740365][ T74] do_syscall_64+0xc6/0x1e0 [ 1684.740365][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1684.740365][ T74] [ 1684.742155][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1684.742442][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1684.742442][ T74] dst_init+0x84/0x4a0 [ 1684.742442][ T74] dst_alloc+0x97/0x150 [ 1684.742442][ T74] ip6_dst_alloc+0x23/0x90 [ 1684.742442][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1684.742442][ T74] ip6_pol_route+0x56f/0x840 [ 1684.742442][ T74] fib6_rule_lookup+0x456/0x630 [ 1684.742442][ T74] ip6_route_input+0x59c/0xa50 [ 1684.742442][ T74] ipv6_rcv+0x397/0x810 [ 1684.742442][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1684.742442][ T74] process_backlog+0x101/0x620 [ 1684.742442][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1684.742442][ T74] net_rx_action+0x495/0xbe0 [ 1684.742442][ T74] __do_softirq+0x1b5/0x7f6 [ 1684.742442][ T74] [ 1684.744160][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1684.744160][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1684.744160][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1684.744160][ T74] fib6_nh_init+0xa22/0x1580 [ 1684.744160][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1684.744160][ T74] ip6_route_add+0x1c/0x140 [ 1684.744160][ T74] inet6_rtm_newroute+0x104/0x110 [ 1684.744160][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1684.744160][ T74] netlink_rcv_skb+0x130/0x360 [ 1684.744160][ T74] netlink_unicast+0x449/0x710 [ 1684.744160][ T74] netlink_sendmsg+0x723/0xbe0 [ 1684.744160][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1684.744160][ T74] ___sys_sendmsg+0xee/0x170 [ 1684.744160][ T74] __sys_sendmsg+0xcd/0x170 [ 1684.744160][ T74] do_syscall_64+0xc6/0x1e0 [ 1684.744160][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1684.744160][ T74] [ 1684.746134][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1684.746134][ T74] netdev_get_by_index+0x5e/0x80 [ 1684.746134][ T74] fib6_nh_init+0x3d8/0x1580 [ 1684.746134][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1684.746134][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1684.746134][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1684.746134][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1684.746134][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1684.746134][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1684.746134][ T74] addrconf_dad_begin+0x310/0x670 [ 1684.746134][ T74] addrconf_dad_work+0x10b/0xab0 [ 1684.746134][ T74] process_one_work+0x84d/0x18a0 [ 1684.746134][ T74] worker_thread+0x587/0xd30 [ 1684.746134][ T74] kthread+0x28a/0x350 [ 1684.746134][ T74] ret_from_fork+0x31/0x70 [ 1684.746134][ T74] ret_from_fork_asm+0x1a/0x30 [ 1684.746134][ T74] [ 1684.748130][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1684.748130][ T74] netdev_get_by_index+0x5e/0x80 [ 1684.748130][ T74] fib6_nh_init+0x3d8/0x1580 [ 1684.748130][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1684.748130][ T74] ip6_route_add+0x1c/0x140 [ 1684.748130][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1684.748130][ T74] inet6_addr_add+0x4f8/0xa40 [ 1684.748130][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1684.748130][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1684.748130][ T74] netlink_rcv_skb+0x130/0x360 [ 1684.748130][ T74] netlink_unicast+0x449/0x710 [ 1684.748130][ T74] netlink_sendmsg+0x723/0xbe0 [ 1684.748130][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1684.748130][ T74] ___sys_sendmsg+0xee/0x170 [ 1684.748130][ T74] __sys_sendmsg+0xcd/0x170 [ 1684.748130][ T74] do_syscall_64+0xc6/0x1e0 [ 1684.748130][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1684.748130][ T74] [ 1684.750225][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1684.750225][ T74] netdev_get_by_index+0x5e/0x80 [ 1684.750225][ T74] fib6_nh_init+0x3d8/0x1580 [ 1684.750225][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1684.750225][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1684.750225][ T74] ipv6_add_addr+0x411/0x2000 [ 1684.750225][ T74] inet6_addr_add+0x30e/0xa40 [ 1684.750225][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1684.750225][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1684.750225][ T74] netlink_rcv_skb+0x130/0x360 [ 1684.750225][ T74] netlink_unicast+0x449/0x710 [ 1684.750225][ T74] netlink_sendmsg+0x723/0xbe0 [ 1684.750225][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1684.750225][ T74] ___sys_sendmsg+0xee/0x170 [ 1684.750225][ T74] __sys_sendmsg+0xcd/0x170 [ 1684.750225][ T74] do_syscall_64+0xc6/0x1e0 [ 1684.750225][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1684.750225][ T74] [ 1684.752334][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1684.752334][ T74] netdev_get_by_index+0x5e/0x80 [ 1684.752334][ T74] fib6_nh_init+0x3d8/0x1580 [ 1684.752334][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1684.752334][ T74] ip6_route_add+0x1c/0x140 [ 1684.752334][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1684.752334][ T74] addrconf_add_dev+0xe2/0x170 [ 1684.752334][ T74] inet6_addr_add+0x12f/0xa40 [ 1684.752334][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1684.752334][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1684.752334][ T74] netlink_rcv_skb+0x130/0x360 [ 1684.752334][ T74] netlink_unicast+0x449/0x710 [ 1684.752334][ T74] netlink_sendmsg+0x723/0xbe0 [ 1684.752334][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1684.752334][ T74] ___sys_sendmsg+0xee/0x170 [ 1684.752334][ T74] __sys_sendmsg+0xcd/0x170 [ 1684.752334][ T74] do_syscall_64+0xc6/0x1e0 [ 1684.752334][ T74] [ 1684.754456][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1684.754456][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1684.754456][ T74] ipv6_find_idev+0x102/0x170 [ 1684.754456][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1684.754456][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1684.754456][ T74] netlink_rcv_skb+0x130/0x360 [ 1684.754456][ T74] netlink_unicast+0x449/0x710 [ 1684.754456][ T74] netlink_sendmsg+0x723/0xbe0 [ 1684.754456][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1684.754456][ T74] ___sys_sendmsg+0xee/0x170 [ 1684.754456][ T74] __sys_sendmsg+0xcd/0x170 [ 1684.754456][ T74] do_syscall_64+0xc6/0x1e0 [ 1684.754456][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1684.754456][ T74] [ 1684.756255][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1684.756255][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1684.756255][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1684.756255][ T74] ipv6_find_idev+0x102/0x170 [ 1684.756255][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1684.756255][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1684.756255][ T74] netlink_rcv_skb+0x130/0x360 [ 1684.756255][ T74] netlink_unicast+0x449/0x710 [ 1684.756255][ T74] netlink_sendmsg+0x723/0xbe0 [ 1684.756255][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1684.756255][ T74] ___sys_sendmsg+0xee/0x170 [ 1684.756255][ T74] __sys_sendmsg+0xcd/0x170 [ 1684.756255][ T74] do_syscall_64+0xc6/0x1e0 [ 1684.756255][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1684.756255][ T74] [ 1684.758275][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1684.758529][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1684.758529][ T74] netdev_get_by_index+0x5e/0x80 [ 1684.758529][ T74] fib6_nh_init+0x3d8/0x1580 [ 1684.758529][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1684.758529][ T74] ip6_route_add+0x1c/0x140 [ 1684.758529][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1684.758529][ T74] inet6_addr_add+0x4f8/0xa40 [ 1684.758529][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1684.758529][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1684.758529][ T74] netlink_rcv_skb+0x130/0x360 [ 1684.758529][ T74] netlink_unicast+0x449/0x710 [ 1684.758529][ T74] netlink_sendmsg+0x723/0xbe0 [ 1684.758529][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1684.758529][ T74] ___sys_sendmsg+0xee/0x170 [ 1684.758529][ T74] __sys_sendmsg+0xcd/0x170 [ 1684.758529][ T74] do_syscall_64+0xc6/0x1e0 [ 1684.758529][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1684.758529][ T74] [ 1684.760894][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1684.760894][ T74] netdev_get_by_index+0x5e/0x80 [ 1684.760894][ T74] fib6_nh_init+0x3d8/0x1580 [ 1684.760894][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1684.760894][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1684.760894][ T74] ipv6_add_addr+0x411/0x2000 [ 1684.760894][ T74] inet6_addr_add+0x30e/0xa40 [ 1684.760894][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1684.760894][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1684.760894][ T74] netlink_rcv_skb+0x130/0x360 [ 1684.760894][ T74] netlink_unicast+0x449/0x710 [ 1684.760894][ T74] netlink_sendmsg+0x723/0xbe0 [ 1684.760894][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1684.760894][ T74] ___sys_sendmsg+0xee/0x170 [ 1684.760894][ T74] __sys_sendmsg+0xcd/0x170 [ 1684.760894][ T74] do_syscall_64+0xc6/0x1e0 [ 1684.760894][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1684.760894][ T74] [ 1684.763231][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1684.763231][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1684.763231][ T74] ipv6_find_idev+0x102/0x170 [ 1684.763231][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1684.763231][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1684.763231][ T74] netlink_rcv_skb+0x130/0x360 [ 1684.763231][ T74] netlink_unicast+0x449/0x710 [ 1684.763231][ T74] netlink_sendmsg+0x723/0xbe0 [ 1684.763231][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1684.763231][ T74] ___sys_sendmsg+0xee/0x170 [ 1684.763231][ T74] __sys_sendmsg+0xcd/0x170 [ 1684.763231][ T74] do_syscall_64+0xc6/0x1e0 [ 1684.763231][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1684.763231][ T74] [ 1684.765020][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1684.765020][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1684.765020][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1684.765020][ T74] ipv6_find_idev+0x102/0x170 [ 1684.765020][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1684.765020][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1684.765020][ T74] netlink_rcv_skb+0x130/0x360 [ 1684.765020][ T74] netlink_unicast+0x449/0x710 [ 1684.765020][ T74] netlink_sendmsg+0x723/0xbe0 [ 1684.765020][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1684.765020][ T74] ___sys_sendmsg+0xee/0x170 [ 1684.765020][ T74] __sys_sendmsg+0xcd/0x170 [ 1684.765020][ T74] do_syscall_64+0xc6/0x1e0 [ 1684.765020][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1684.765020][ T74] [ 1695.007966][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1695.008363][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1695.008363][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1695.008363][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1695.008363][ T74] fib6_nh_init+0xa22/0x1580 [ 1695.008363][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1695.008363][ T74] ip6_route_add+0x1c/0x140 [ 1695.008363][ T74] inet6_rtm_newroute+0x104/0x110 [ 1695.008363][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1695.008363][ T74] netlink_rcv_skb+0x130/0x360 [ 1695.008363][ T74] netlink_unicast+0x449/0x710 [ 1695.008363][ T74] netlink_sendmsg+0x723/0xbe0 [ 1695.008363][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1695.008363][ T74] ___sys_sendmsg+0xee/0x170 [ 1695.008363][ T74] __sys_sendmsg+0xcd/0x170 [ 1695.008363][ T74] do_syscall_64+0xc6/0x1e0 [ 1695.008363][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1695.008363][ T74] [ 1695.010346][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1695.010346][ T74] netdev_get_by_index+0x5e/0x80 [ 1695.010346][ T74] fib6_nh_init+0x3d8/0x1580 [ 1695.010346][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1695.010346][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1695.010346][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1695.010346][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1695.010346][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1695.010346][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1695.010346][ T74] addrconf_dad_begin+0x310/0x670 [ 1695.010346][ T74] addrconf_dad_work+0x10b/0xab0 [ 1695.010346][ T74] process_one_work+0x84d/0x18a0 [ 1695.010346][ T74] worker_thread+0x587/0xd30 [ 1695.010346][ T74] kthread+0x28a/0x350 [ 1695.010346][ T74] ret_from_fork+0x31/0x70 [ 1695.010346][ T74] ret_from_fork_asm+0x1a/0x30 [ 1695.010346][ T74] [ 1695.012287][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1695.012287][ T74] netdev_get_by_index+0x5e/0x80 [ 1695.012287][ T74] fib6_nh_init+0x3d8/0x1580 [ 1695.012287][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1695.012287][ T74] ip6_route_add+0x1c/0x140 [ 1695.012287][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1695.012287][ T74] inet6_addr_add+0x4f8/0xa40 [ 1695.012287][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1695.012287][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1695.012287][ T74] netlink_rcv_skb+0x130/0x360 [ 1695.012287][ T74] netlink_unicast+0x449/0x710 [ 1695.012287][ T74] netlink_sendmsg+0x723/0xbe0 [ 1695.012287][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1695.012287][ T74] ___sys_sendmsg+0xee/0x170 [ 1695.012287][ T74] __sys_sendmsg+0xcd/0x170 [ 1695.012287][ T74] do_syscall_64+0xc6/0x1e0 [ 1695.012287][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1695.012287][ T74] [ 1695.014326][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1695.014326][ T74] netdev_get_by_index+0x5e/0x80 [ 1695.014326][ T74] fib6_nh_init+0x3d8/0x1580 [ 1695.014326][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1695.014326][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1695.014326][ T74] ipv6_add_addr+0x411/0x2000 [ 1695.014326][ T74] inet6_addr_add+0x30e/0xa40 [ 1695.014326][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1695.014326][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1695.014326][ T74] netlink_rcv_skb+0x130/0x360 [ 1695.014326][ T74] netlink_unicast+0x449/0x710 [ 1695.014326][ T74] netlink_sendmsg+0x723/0xbe0 [ 1695.014326][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1695.014326][ T74] ___sys_sendmsg+0xee/0x170 [ 1695.014326][ T74] __sys_sendmsg+0xcd/0x170 [ 1695.014326][ T74] do_syscall_64+0xc6/0x1e0 [ 1695.014326][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1695.014326][ T74] [ 1695.016413][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1695.016413][ T74] netdev_get_by_index+0x5e/0x80 [ 1695.016413][ T74] fib6_nh_init+0x3d8/0x1580 [ 1695.016413][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1695.016413][ T74] ip6_route_add+0x1c/0x140 [ 1695.016413][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1695.016413][ T74] addrconf_add_dev+0xe2/0x170 [ 1695.016413][ T74] inet6_addr_add+0x12f/0xa40 [ 1695.016413][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1695.016413][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1695.016413][ T74] netlink_rcv_skb+0x130/0x360 [ 1695.016413][ T74] netlink_unicast+0x449/0x710 [ 1695.016413][ T74] netlink_sendmsg+0x723/0xbe0 [ 1695.016413][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1695.016413][ T74] ___sys_sendmsg+0xee/0x170 [ 1695.016413][ T74] __sys_sendmsg+0xcd/0x170 [ 1695.016413][ T74] do_syscall_64+0xc6/0x1e0 [ 1695.016413][ T74] [ 1695.018469][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1695.018469][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1695.018469][ T74] ipv6_find_idev+0x102/0x170 [ 1695.018469][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1695.018469][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1695.018469][ T74] netlink_rcv_skb+0x130/0x360 [ 1695.018469][ T74] netlink_unicast+0x449/0x710 [ 1695.018469][ T74] netlink_sendmsg+0x723/0xbe0 [ 1695.018469][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1695.018469][ T74] ___sys_sendmsg+0xee/0x170 [ 1695.018469][ T74] __sys_sendmsg+0xcd/0x170 [ 1695.018469][ T74] do_syscall_64+0xc6/0x1e0 [ 1695.018469][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1695.018469][ T74] [ 1695.020069][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1695.020069][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1695.020069][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1695.020069][ T74] ipv6_find_idev+0x102/0x170 [ 1695.020069][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1695.020069][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1695.020069][ T74] netlink_rcv_skb+0x130/0x360 [ 1695.020069][ T74] netlink_unicast+0x449/0x710 [ 1695.020069][ T74] netlink_sendmsg+0x723/0xbe0 [ 1695.020069][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1695.020069][ T74] ___sys_sendmsg+0xee/0x170 [ 1695.020069][ T74] __sys_sendmsg+0xcd/0x170 [ 1695.020069][ T74] do_syscall_64+0xc6/0x1e0 [ 1695.020069][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1695.020069][ T74] [ 1695.021870][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1695.022157][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1695.022157][ T74] dst_init+0x84/0x4a0 [ 1695.022157][ T74] dst_alloc+0x97/0x150 [ 1695.022157][ T74] ip6_dst_alloc+0x23/0x90 [ 1695.022157][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1695.022157][ T74] ip6_pol_route+0x56f/0x840 [ 1695.022157][ T74] fib6_rule_lookup+0x456/0x630 [ 1695.022157][ T74] ip6_route_input+0x59c/0xa50 [ 1695.022157][ T74] ipv6_rcv+0x397/0x810 [ 1695.022157][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1695.022157][ T74] process_backlog+0x101/0x620 [ 1695.022157][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1695.022157][ T74] net_rx_action+0x495/0xbe0 [ 1695.022157][ T74] __do_softirq+0x1b5/0x7f6 [ 1695.022157][ T74] [ 1695.023894][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1695.023894][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1695.023894][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1695.023894][ T74] fib6_nh_init+0xa22/0x1580 [ 1695.023894][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1695.023894][ T74] ip6_route_add+0x1c/0x140 [ 1695.023894][ T74] inet6_rtm_newroute+0x104/0x110 [ 1695.023894][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1695.023894][ T74] netlink_rcv_skb+0x130/0x360 [ 1695.023894][ T74] netlink_unicast+0x449/0x710 [ 1695.023894][ T74] netlink_sendmsg+0x723/0xbe0 [ 1695.023894][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1695.023894][ T74] ___sys_sendmsg+0xee/0x170 [ 1695.023894][ T74] __sys_sendmsg+0xcd/0x170 [ 1695.023894][ T74] do_syscall_64+0xc6/0x1e0 [ 1695.023894][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1695.023894][ T74] [ 1695.025880][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1695.025880][ T74] netdev_get_by_index+0x5e/0x80 [ 1695.025880][ T74] fib6_nh_init+0x3d8/0x1580 [ 1695.025880][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1695.025880][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1695.025880][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1695.025880][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1695.025880][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1695.025880][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1695.025880][ T74] addrconf_dad_begin+0x310/0x670 [ 1695.025880][ T74] addrconf_dad_work+0x10b/0xab0 [ 1695.025880][ T74] process_one_work+0x84d/0x18a0 [ 1695.025880][ T74] worker_thread+0x587/0xd30 [ 1695.025880][ T74] kthread+0x28a/0x350 [ 1695.025880][ T74] ret_from_fork+0x31/0x70 [ 1695.025880][ T74] ret_from_fork_asm+0x1a/0x30 [ 1695.025880][ T74] [ 1695.027881][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1695.027881][ T74] netdev_get_by_index+0x5e/0x80 [ 1695.027881][ T74] fib6_nh_init+0x3d8/0x1580 [ 1695.027881][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1695.027881][ T74] ip6_route_add+0x1c/0x140 [ 1695.027881][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1695.027881][ T74] inet6_addr_add+0x4f8/0xa40 [ 1695.027881][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1695.027881][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1695.027881][ T74] netlink_rcv_skb+0x130/0x360 [ 1695.027881][ T74] netlink_unicast+0x449/0x710 [ 1695.027881][ T74] netlink_sendmsg+0x723/0xbe0 [ 1695.027881][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1695.027881][ T74] ___sys_sendmsg+0xee/0x170 [ 1695.027881][ T74] __sys_sendmsg+0xcd/0x170 [ 1695.027881][ T74] do_syscall_64+0xc6/0x1e0 [ 1695.027881][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1695.027881][ T74] [ 1695.029972][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1695.029972][ T74] netdev_get_by_index+0x5e/0x80 [ 1695.029972][ T74] fib6_nh_init+0x3d8/0x1580 [ 1695.029972][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1695.029972][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1695.029972][ T74] ipv6_add_addr+0x411/0x2000 [ 1695.029972][ T74] inet6_addr_add+0x30e/0xa40 [ 1695.029972][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1695.029972][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1695.029972][ T74] netlink_rcv_skb+0x130/0x360 [ 1695.029972][ T74] netlink_unicast+0x449/0x710 [ 1695.029972][ T74] netlink_sendmsg+0x723/0xbe0 [ 1695.029972][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1695.029972][ T74] ___sys_sendmsg+0xee/0x170 [ 1695.029972][ T74] __sys_sendmsg+0xcd/0x170 [ 1695.029972][ T74] do_syscall_64+0xc6/0x1e0 [ 1695.029972][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1695.029972][ T74] [ 1695.032089][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1695.032089][ T74] netdev_get_by_index+0x5e/0x80 [ 1695.032089][ T74] fib6_nh_init+0x3d8/0x1580 [ 1695.032089][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1695.032089][ T74] ip6_route_add+0x1c/0x140 [ 1695.032089][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1695.032089][ T74] addrconf_add_dev+0xe2/0x170 [ 1695.032089][ T74] inet6_addr_add+0x12f/0xa40 [ 1695.032089][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1695.032089][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1695.032089][ T74] netlink_rcv_skb+0x130/0x360 [ 1695.032089][ T74] netlink_unicast+0x449/0x710 [ 1695.032089][ T74] netlink_sendmsg+0x723/0xbe0 [ 1695.032089][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1695.032089][ T74] ___sys_sendmsg+0xee/0x170 [ 1695.032089][ T74] __sys_sendmsg+0xcd/0x170 [ 1695.032089][ T74] do_syscall_64+0xc6/0x1e0 [ 1695.032089][ T74] [ 1695.034152][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1695.034152][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1695.034152][ T74] ipv6_find_idev+0x102/0x170 [ 1695.034152][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1695.034152][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1695.034152][ T74] netlink_rcv_skb+0x130/0x360 [ 1695.034152][ T74] netlink_unicast+0x449/0x710 [ 1695.034152][ T74] netlink_sendmsg+0x723/0xbe0 [ 1695.034152][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1695.034152][ T74] ___sys_sendmsg+0xee/0x170 [ 1695.034152][ T74] __sys_sendmsg+0xcd/0x170 [ 1695.034152][ T74] do_syscall_64+0xc6/0x1e0 [ 1695.034152][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1695.034152][ T74] [ 1695.035950][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1695.035950][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1695.035950][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1695.035950][ T74] ipv6_find_idev+0x102/0x170 [ 1695.035950][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1695.035950][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1695.035950][ T74] netlink_rcv_skb+0x130/0x360 [ 1695.035950][ T74] netlink_unicast+0x449/0x710 [ 1695.035950][ T74] netlink_sendmsg+0x723/0xbe0 [ 1695.035950][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1695.035950][ T74] ___sys_sendmsg+0xee/0x170 [ 1695.035950][ T74] __sys_sendmsg+0xcd/0x170 [ 1695.035950][ T74] do_syscall_64+0xc6/0x1e0 [ 1695.035950][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1695.035950][ T74] [ 1695.037967][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1695.038217][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1695.038217][ T74] netdev_get_by_index+0x5e/0x80 [ 1695.038217][ T74] fib6_nh_init+0x3d8/0x1580 [ 1695.038217][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1695.038217][ T74] ip6_route_add+0x1c/0x140 [ 1695.038217][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1695.038217][ T74] inet6_addr_add+0x4f8/0xa40 [ 1695.038217][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1695.038217][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1695.038217][ T74] netlink_rcv_skb+0x130/0x360 [ 1695.038217][ T74] netlink_unicast+0x449/0x710 [ 1695.038217][ T74] netlink_sendmsg+0x723/0xbe0 [ 1695.038217][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1695.038217][ T74] ___sys_sendmsg+0xee/0x170 [ 1695.038217][ T74] __sys_sendmsg+0xcd/0x170 [ 1695.038217][ T74] do_syscall_64+0xc6/0x1e0 [ 1695.038217][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1695.038217][ T74] [ 1695.040542][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1695.040542][ T74] netdev_get_by_index+0x5e/0x80 [ 1695.040542][ T74] fib6_nh_init+0x3d8/0x1580 [ 1695.040542][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1695.040542][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1695.040542][ T74] ipv6_add_addr+0x411/0x2000 [ 1695.040542][ T74] inet6_addr_add+0x30e/0xa40 [ 1695.040542][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1695.040542][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1695.040542][ T74] netlink_rcv_skb+0x130/0x360 [ 1695.040542][ T74] netlink_unicast+0x449/0x710 [ 1695.040542][ T74] netlink_sendmsg+0x723/0xbe0 [ 1695.040542][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1695.040542][ T74] ___sys_sendmsg+0xee/0x170 [ 1695.040542][ T74] __sys_sendmsg+0xcd/0x170 [ 1695.040542][ T74] do_syscall_64+0xc6/0x1e0 [ 1695.040542][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1695.040542][ T74] [ 1695.042885][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1695.042885][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1695.042885][ T74] ipv6_find_idev+0x102/0x170 [ 1695.042885][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1695.042885][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1695.042885][ T74] netlink_rcv_skb+0x130/0x360 [ 1695.042885][ T74] netlink_unicast+0x449/0x710 [ 1695.042885][ T74] netlink_sendmsg+0x723/0xbe0 [ 1695.042885][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1695.042885][ T74] ___sys_sendmsg+0xee/0x170 [ 1695.042885][ T74] __sys_sendmsg+0xcd/0x170 [ 1695.042885][ T74] do_syscall_64+0xc6/0x1e0 [ 1695.042885][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1695.042885][ T74] [ 1695.044666][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1695.044666][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1695.044666][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1695.044666][ T74] ipv6_find_idev+0x102/0x170 [ 1695.044666][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1695.044666][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1695.044666][ T74] netlink_rcv_skb+0x130/0x360 [ 1695.044666][ T74] netlink_unicast+0x449/0x710 [ 1695.044666][ T74] netlink_sendmsg+0x723/0xbe0 [ 1695.044666][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1695.044666][ T74] ___sys_sendmsg+0xee/0x170 [ 1695.044666][ T74] __sys_sendmsg+0xcd/0x170 [ 1695.044666][ T74] do_syscall_64+0xc6/0x1e0 [ 1695.044666][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1695.044666][ T74] [ 1705.288035][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1705.288466][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1705.288466][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1705.288466][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1705.288466][ T74] fib6_nh_init+0xa22/0x1580 [ 1705.288466][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1705.288466][ T74] ip6_route_add+0x1c/0x140 [ 1705.288466][ T74] inet6_rtm_newroute+0x104/0x110 [ 1705.288466][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1705.288466][ T74] netlink_rcv_skb+0x130/0x360 [ 1705.288466][ T74] netlink_unicast+0x449/0x710 [ 1705.288466][ T74] netlink_sendmsg+0x723/0xbe0 [ 1705.288466][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1705.288466][ T74] ___sys_sendmsg+0xee/0x170 [ 1705.288466][ T74] __sys_sendmsg+0xcd/0x170 [ 1705.288466][ T74] do_syscall_64+0xc6/0x1e0 [ 1705.288466][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1705.288466][ T74] [ 1705.290393][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1705.290393][ T74] netdev_get_by_index+0x5e/0x80 [ 1705.290393][ T74] fib6_nh_init+0x3d8/0x1580 [ 1705.290393][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1705.290393][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1705.290393][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1705.290393][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1705.290393][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1705.290393][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1705.290393][ T74] addrconf_dad_begin+0x310/0x670 [ 1705.290393][ T74] addrconf_dad_work+0x10b/0xab0 [ 1705.290393][ T74] process_one_work+0x84d/0x18a0 [ 1705.290393][ T74] worker_thread+0x587/0xd30 [ 1705.290393][ T74] kthread+0x28a/0x350 [ 1705.290393][ T74] ret_from_fork+0x31/0x70 [ 1705.290393][ T74] ret_from_fork_asm+0x1a/0x30 [ 1705.290393][ T74] [ 1705.292344][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1705.292344][ T74] netdev_get_by_index+0x5e/0x80 [ 1705.292344][ T74] fib6_nh_init+0x3d8/0x1580 [ 1705.292344][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1705.292344][ T74] ip6_route_add+0x1c/0x140 [ 1705.292344][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1705.292344][ T74] inet6_addr_add+0x4f8/0xa40 [ 1705.292344][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1705.292344][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1705.292344][ T74] netlink_rcv_skb+0x130/0x360 [ 1705.292344][ T74] netlink_unicast+0x449/0x710 [ 1705.292344][ T74] netlink_sendmsg+0x723/0xbe0 [ 1705.292344][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1705.292344][ T74] ___sys_sendmsg+0xee/0x170 [ 1705.292344][ T74] __sys_sendmsg+0xcd/0x170 [ 1705.292344][ T74] do_syscall_64+0xc6/0x1e0 [ 1705.292344][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1705.292344][ T74] [ 1705.294353][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1705.294353][ T74] netdev_get_by_index+0x5e/0x80 [ 1705.294353][ T74] fib6_nh_init+0x3d8/0x1580 [ 1705.294353][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1705.294353][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1705.294353][ T74] ipv6_add_addr+0x411/0x2000 [ 1705.294353][ T74] inet6_addr_add+0x30e/0xa40 [ 1705.294353][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1705.294353][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1705.294353][ T74] netlink_rcv_skb+0x130/0x360 [ 1705.294353][ T74] netlink_unicast+0x449/0x710 [ 1705.294353][ T74] netlink_sendmsg+0x723/0xbe0 [ 1705.294353][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1705.294353][ T74] ___sys_sendmsg+0xee/0x170 [ 1705.294353][ T74] __sys_sendmsg+0xcd/0x170 [ 1705.294353][ T74] do_syscall_64+0xc6/0x1e0 [ 1705.294353][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1705.294353][ T74] [ 1705.296387][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1705.296387][ T74] netdev_get_by_index+0x5e/0x80 [ 1705.296387][ T74] fib6_nh_init+0x3d8/0x1580 [ 1705.296387][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1705.296387][ T74] ip6_route_add+0x1c/0x140 [ 1705.296387][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1705.296387][ T74] addrconf_add_dev+0xe2/0x170 [ 1705.296387][ T74] inet6_addr_add+0x12f/0xa40 [ 1705.296387][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1705.296387][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1705.296387][ T74] netlink_rcv_skb+0x130/0x360 [ 1705.296387][ T74] netlink_unicast+0x449/0x710 [ 1705.296387][ T74] netlink_sendmsg+0x723/0xbe0 [ 1705.296387][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1705.296387][ T74] ___sys_sendmsg+0xee/0x170 [ 1705.296387][ T74] __sys_sendmsg+0xcd/0x170 [ 1705.296387][ T74] do_syscall_64+0xc6/0x1e0 [ 1705.296387][ T74] [ 1705.298357][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1705.298357][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1705.298357][ T74] ipv6_find_idev+0x102/0x170 [ 1705.298357][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1705.298357][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1705.298357][ T74] netlink_rcv_skb+0x130/0x360 [ 1705.298357][ T74] netlink_unicast+0x449/0x710 [ 1705.298357][ T74] netlink_sendmsg+0x723/0xbe0 [ 1705.298357][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1705.298357][ T74] ___sys_sendmsg+0xee/0x170 [ 1705.298357][ T74] __sys_sendmsg+0xcd/0x170 [ 1705.298357][ T74] do_syscall_64+0xc6/0x1e0 [ 1705.298357][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1705.298357][ T74] [ 1705.299908][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1705.299908][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1705.299908][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1705.299908][ T74] ipv6_find_idev+0x102/0x170 [ 1705.299908][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1705.299908][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1705.299908][ T74] netlink_rcv_skb+0x130/0x360 [ 1705.299908][ T74] netlink_unicast+0x449/0x710 [ 1705.299908][ T74] netlink_sendmsg+0x723/0xbe0 [ 1705.299908][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1705.299908][ T74] ___sys_sendmsg+0xee/0x170 [ 1705.299908][ T74] __sys_sendmsg+0xcd/0x170 [ 1705.299908][ T74] do_syscall_64+0xc6/0x1e0 [ 1705.299908][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1705.299908][ T74] [ 1705.301633][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1705.301927][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1705.301927][ T74] dst_init+0x84/0x4a0 [ 1705.301927][ T74] dst_alloc+0x97/0x150 [ 1705.301927][ T74] ip6_dst_alloc+0x23/0x90 [ 1705.301927][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1705.301927][ T74] ip6_pol_route+0x56f/0x840 [ 1705.301927][ T74] fib6_rule_lookup+0x456/0x630 [ 1705.301927][ T74] ip6_route_input+0x59c/0xa50 [ 1705.301927][ T74] ipv6_rcv+0x397/0x810 [ 1705.301927][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1705.301927][ T74] process_backlog+0x101/0x620 [ 1705.301927][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1705.301927][ T74] net_rx_action+0x495/0xbe0 [ 1705.301927][ T74] __do_softirq+0x1b5/0x7f6 [ 1705.301927][ T74] [ 1705.303579][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1705.303579][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1705.303579][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1705.303579][ T74] fib6_nh_init+0xa22/0x1580 [ 1705.303579][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1705.303579][ T74] ip6_route_add+0x1c/0x140 [ 1705.303579][ T74] inet6_rtm_newroute+0x104/0x110 [ 1705.303579][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1705.303579][ T74] netlink_rcv_skb+0x130/0x360 [ 1705.303579][ T74] netlink_unicast+0x449/0x710 [ 1705.303579][ T74] netlink_sendmsg+0x723/0xbe0 [ 1705.303579][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1705.303579][ T74] ___sys_sendmsg+0xee/0x170 [ 1705.303579][ T74] __sys_sendmsg+0xcd/0x170 [ 1705.303579][ T74] do_syscall_64+0xc6/0x1e0 [ 1705.303579][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1705.303579][ T74] [ 1705.305471][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1705.305471][ T74] netdev_get_by_index+0x5e/0x80 [ 1705.305471][ T74] fib6_nh_init+0x3d8/0x1580 [ 1705.305471][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1705.305471][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1705.305471][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1705.305471][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1705.305471][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1705.305471][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1705.305471][ T74] addrconf_dad_begin+0x310/0x670 [ 1705.305471][ T74] addrconf_dad_work+0x10b/0xab0 [ 1705.305471][ T74] process_one_work+0x84d/0x18a0 [ 1705.305471][ T74] worker_thread+0x587/0xd30 [ 1705.305471][ T74] kthread+0x28a/0x350 [ 1705.305471][ T74] ret_from_fork+0x31/0x70 [ 1705.305471][ T74] ret_from_fork_asm+0x1a/0x30 [ 1705.305471][ T74] [ 1705.307384][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1705.307384][ T74] netdev_get_by_index+0x5e/0x80 [ 1705.307384][ T74] fib6_nh_init+0x3d8/0x1580 [ 1705.307384][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1705.307384][ T74] ip6_route_add+0x1c/0x140 [ 1705.307384][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1705.307384][ T74] inet6_addr_add+0x4f8/0xa40 [ 1705.307384][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1705.307384][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1705.307384][ T74] netlink_rcv_skb+0x130/0x360 [ 1705.307384][ T74] netlink_unicast+0x449/0x710 [ 1705.307384][ T74] netlink_sendmsg+0x723/0xbe0 [ 1705.307384][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1705.307384][ T74] ___sys_sendmsg+0xee/0x170 [ 1705.307384][ T74] __sys_sendmsg+0xcd/0x170 [ 1705.307384][ T74] do_syscall_64+0xc6/0x1e0 [ 1705.307384][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1705.307384][ T74] [ 1705.309385][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1705.309385][ T74] netdev_get_by_index+0x5e/0x80 [ 1705.309385][ T74] fib6_nh_init+0x3d8/0x1580 [ 1705.309385][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1705.309385][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1705.309385][ T74] ipv6_add_addr+0x411/0x2000 [ 1705.309385][ T74] inet6_addr_add+0x30e/0xa40 [ 1705.309385][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1705.309385][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1705.309385][ T74] netlink_rcv_skb+0x130/0x360 [ 1705.309385][ T74] netlink_unicast+0x449/0x710 [ 1705.309385][ T74] netlink_sendmsg+0x723/0xbe0 [ 1705.309385][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1705.309385][ T74] ___sys_sendmsg+0xee/0x170 [ 1705.309385][ T74] __sys_sendmsg+0xcd/0x170 [ 1705.309385][ T74] do_syscall_64+0xc6/0x1e0 [ 1705.309385][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1705.309385][ T74] [ 1705.311400][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1705.311400][ T74] netdev_get_by_index+0x5e/0x80 [ 1705.311400][ T74] fib6_nh_init+0x3d8/0x1580 [ 1705.311400][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1705.311400][ T74] ip6_route_add+0x1c/0x140 [ 1705.311400][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1705.311400][ T74] addrconf_add_dev+0xe2/0x170 [ 1705.311400][ T74] inet6_addr_add+0x12f/0xa40 [ 1705.311400][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1705.311400][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1705.311400][ T74] netlink_rcv_skb+0x130/0x360 [ 1705.311400][ T74] netlink_unicast+0x449/0x710 [ 1705.311400][ T74] netlink_sendmsg+0x723/0xbe0 [ 1705.311400][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1705.311400][ T74] ___sys_sendmsg+0xee/0x170 [ 1705.311400][ T74] __sys_sendmsg+0xcd/0x170 [ 1705.311400][ T74] do_syscall_64+0xc6/0x1e0 [ 1705.311400][ T74] [ 1705.313380][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1705.313380][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1705.313380][ T74] ipv6_find_idev+0x102/0x170 [ 1705.313380][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1705.313380][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1705.313380][ T74] netlink_rcv_skb+0x130/0x360 [ 1705.313380][ T74] netlink_unicast+0x449/0x710 [ 1705.313380][ T74] netlink_sendmsg+0x723/0xbe0 [ 1705.313380][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1705.313380][ T74] ___sys_sendmsg+0xee/0x170 [ 1705.313380][ T74] __sys_sendmsg+0xcd/0x170 [ 1705.313380][ T74] do_syscall_64+0xc6/0x1e0 [ 1705.313380][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1705.313380][ T74] [ 1705.315105][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1705.315105][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1705.315105][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1705.315105][ T74] ipv6_find_idev+0x102/0x170 [ 1705.315105][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1705.315105][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1705.315105][ T74] netlink_rcv_skb+0x130/0x360 [ 1705.315105][ T74] netlink_unicast+0x449/0x710 [ 1705.315105][ T74] netlink_sendmsg+0x723/0xbe0 [ 1705.315105][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1705.315105][ T74] ___sys_sendmsg+0xee/0x170 [ 1705.315105][ T74] __sys_sendmsg+0xcd/0x170 [ 1705.315105][ T74] do_syscall_64+0xc6/0x1e0 [ 1705.315105][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1705.315105][ T74] [ 1705.317063][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1705.317308][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1705.317308][ T74] netdev_get_by_index+0x5e/0x80 [ 1705.317308][ T74] fib6_nh_init+0x3d8/0x1580 [ 1705.317308][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1705.317308][ T74] ip6_route_add+0x1c/0x140 [ 1705.317308][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1705.317308][ T74] inet6_addr_add+0x4f8/0xa40 [ 1705.317308][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1705.317308][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1705.317308][ T74] netlink_rcv_skb+0x130/0x360 [ 1705.317308][ T74] netlink_unicast+0x449/0x710 [ 1705.317308][ T74] netlink_sendmsg+0x723/0xbe0 [ 1705.317308][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1705.317308][ T74] ___sys_sendmsg+0xee/0x170 [ 1705.317308][ T74] __sys_sendmsg+0xcd/0x170 [ 1705.317308][ T74] do_syscall_64+0xc6/0x1e0 [ 1705.317308][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1705.317308][ T74] [ 1705.319615][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1705.319615][ T74] netdev_get_by_index+0x5e/0x80 [ 1705.319615][ T74] fib6_nh_init+0x3d8/0x1580 [ 1705.319615][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1705.319615][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1705.319615][ T74] ipv6_add_addr+0x411/0x2000 [ 1705.319615][ T74] inet6_addr_add+0x30e/0xa40 [ 1705.319615][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1705.319615][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1705.319615][ T74] netlink_rcv_skb+0x130/0x360 [ 1705.319615][ T74] netlink_unicast+0x449/0x710 [ 1705.319615][ T74] netlink_sendmsg+0x723/0xbe0 [ 1705.319615][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1705.319615][ T74] ___sys_sendmsg+0xee/0x170 [ 1705.319615][ T74] __sys_sendmsg+0xcd/0x170 [ 1705.319615][ T74] do_syscall_64+0xc6/0x1e0 [ 1705.319615][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1705.319615][ T74] [ 1705.321888][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1705.321888][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1705.321888][ T74] ipv6_find_idev+0x102/0x170 [ 1705.321888][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1705.321888][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1705.321888][ T74] netlink_rcv_skb+0x130/0x360 [ 1705.321888][ T74] netlink_unicast+0x449/0x710 [ 1705.321888][ T74] netlink_sendmsg+0x723/0xbe0 [ 1705.321888][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1705.321888][ T74] ___sys_sendmsg+0xee/0x170 [ 1705.321888][ T74] __sys_sendmsg+0xcd/0x170 [ 1705.321888][ T74] do_syscall_64+0xc6/0x1e0 [ 1705.321888][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1705.321888][ T74] [ 1705.323625][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1705.323625][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1705.323625][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1705.323625][ T74] ipv6_find_idev+0x102/0x170 [ 1705.323625][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1705.323625][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1705.323625][ T74] netlink_rcv_skb+0x130/0x360 [ 1705.323625][ T74] netlink_unicast+0x449/0x710 [ 1705.323625][ T74] netlink_sendmsg+0x723/0xbe0 [ 1705.323625][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1705.323625][ T74] ___sys_sendmsg+0xee/0x170 [ 1705.323625][ T74] __sys_sendmsg+0xcd/0x170 [ 1705.323625][ T74] do_syscall_64+0xc6/0x1e0 [ 1705.323625][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1705.323625][ T74] [ 1715.407946][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1715.408467][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1715.408467][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1715.408467][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1715.408467][ T74] fib6_nh_init+0xa22/0x1580 [ 1715.408467][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1715.408467][ T74] ip6_route_add+0x1c/0x140 [ 1715.408467][ T74] inet6_rtm_newroute+0x104/0x110 [ 1715.408467][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1715.408467][ T74] netlink_rcv_skb+0x130/0x360 [ 1715.408467][ T74] netlink_unicast+0x449/0x710 [ 1715.408467][ T74] netlink_sendmsg+0x723/0xbe0 [ 1715.408467][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1715.408467][ T74] ___sys_sendmsg+0xee/0x170 [ 1715.408467][ T74] __sys_sendmsg+0xcd/0x170 [ 1715.408467][ T74] do_syscall_64+0xc6/0x1e0 [ 1715.408467][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1715.408467][ T74] [ 1715.410381][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1715.410381][ T74] netdev_get_by_index+0x5e/0x80 [ 1715.410381][ T74] fib6_nh_init+0x3d8/0x1580 [ 1715.410381][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1715.410381][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1715.410381][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1715.410381][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1715.410381][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1715.410381][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1715.410381][ T74] addrconf_dad_begin+0x310/0x670 [ 1715.410381][ T74] addrconf_dad_work+0x10b/0xab0 [ 1715.410381][ T74] process_one_work+0x84d/0x18a0 [ 1715.410381][ T74] worker_thread+0x587/0xd30 [ 1715.410381][ T74] kthread+0x28a/0x350 [ 1715.410381][ T74] ret_from_fork+0x31/0x70 [ 1715.410381][ T74] ret_from_fork_asm+0x1a/0x30 [ 1715.410381][ T74] [ 1715.412307][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1715.412307][ T74] netdev_get_by_index+0x5e/0x80 [ 1715.412307][ T74] fib6_nh_init+0x3d8/0x1580 [ 1715.412307][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1715.412307][ T74] ip6_route_add+0x1c/0x140 [ 1715.412307][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1715.412307][ T74] inet6_addr_add+0x4f8/0xa40 [ 1715.412307][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1715.412307][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1715.412307][ T74] netlink_rcv_skb+0x130/0x360 [ 1715.412307][ T74] netlink_unicast+0x449/0x710 [ 1715.412307][ T74] netlink_sendmsg+0x723/0xbe0 [ 1715.412307][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1715.412307][ T74] ___sys_sendmsg+0xee/0x170 [ 1715.412307][ T74] __sys_sendmsg+0xcd/0x170 [ 1715.412307][ T74] do_syscall_64+0xc6/0x1e0 [ 1715.412307][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1715.412307][ T74] [ 1715.414324][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1715.414324][ T74] netdev_get_by_index+0x5e/0x80 [ 1715.414324][ T74] fib6_nh_init+0x3d8/0x1580 [ 1715.414324][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1715.414324][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1715.414324][ T74] ipv6_add_addr+0x411/0x2000 [ 1715.414324][ T74] inet6_addr_add+0x30e/0xa40 [ 1715.414324][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1715.414324][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1715.414324][ T74] netlink_rcv_skb+0x130/0x360 [ 1715.414324][ T74] netlink_unicast+0x449/0x710 [ 1715.414324][ T74] netlink_sendmsg+0x723/0xbe0 [ 1715.414324][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1715.414324][ T74] ___sys_sendmsg+0xee/0x170 [ 1715.414324][ T74] __sys_sendmsg+0xcd/0x170 [ 1715.414324][ T74] do_syscall_64+0xc6/0x1e0 [ 1715.414324][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1715.414324][ T74] [ 1715.416341][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1715.416341][ T74] netdev_get_by_index+0x5e/0x80 [ 1715.416341][ T74] fib6_nh_init+0x3d8/0x1580 [ 1715.416341][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1715.416341][ T74] ip6_route_add+0x1c/0x140 [ 1715.416341][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1715.416341][ T74] addrconf_add_dev+0xe2/0x170 [ 1715.416341][ T74] inet6_addr_add+0x12f/0xa40 [ 1715.416341][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1715.416341][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1715.416341][ T74] netlink_rcv_skb+0x130/0x360 [ 1715.416341][ T74] netlink_unicast+0x449/0x710 [ 1715.416341][ T74] netlink_sendmsg+0x723/0xbe0 [ 1715.416341][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1715.416341][ T74] ___sys_sendmsg+0xee/0x170 [ 1715.416341][ T74] __sys_sendmsg+0xcd/0x170 [ 1715.416341][ T74] do_syscall_64+0xc6/0x1e0 [ 1715.416341][ T74] [ 1715.418317][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1715.418317][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1715.418317][ T74] ipv6_find_idev+0x102/0x170 [ 1715.418317][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1715.418317][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1715.418317][ T74] netlink_rcv_skb+0x130/0x360 [ 1715.418317][ T74] netlink_unicast+0x449/0x710 [ 1715.418317][ T74] netlink_sendmsg+0x723/0xbe0 [ 1715.418317][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1715.418317][ T74] ___sys_sendmsg+0xee/0x170 [ 1715.418317][ T74] __sys_sendmsg+0xcd/0x170 [ 1715.418317][ T74] do_syscall_64+0xc6/0x1e0 [ 1715.418317][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1715.418317][ T74] [ 1715.419865][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1715.419865][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1715.419865][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1715.419865][ T74] ipv6_find_idev+0x102/0x170 [ 1715.419865][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1715.419865][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1715.419865][ T74] netlink_rcv_skb+0x130/0x360 [ 1715.419865][ T74] netlink_unicast+0x449/0x710 [ 1715.419865][ T74] netlink_sendmsg+0x723/0xbe0 [ 1715.419865][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1715.419865][ T74] ___sys_sendmsg+0xee/0x170 [ 1715.419865][ T74] __sys_sendmsg+0xcd/0x170 [ 1715.419865][ T74] do_syscall_64+0xc6/0x1e0 [ 1715.419865][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1715.419865][ T74] [ 1715.421986][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1715.422274][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1715.422274][ T74] dst_init+0x84/0x4a0 [ 1715.422274][ T74] dst_alloc+0x97/0x150 [ 1715.422274][ T74] ip6_dst_alloc+0x23/0x90 [ 1715.422274][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1715.422274][ T74] ip6_pol_route+0x56f/0x840 [ 1715.422274][ T74] fib6_rule_lookup+0x456/0x630 [ 1715.422274][ T74] ip6_route_input+0x59c/0xa50 [ 1715.422274][ T74] ipv6_rcv+0x397/0x810 [ 1715.422274][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1715.422274][ T74] process_backlog+0x101/0x620 [ 1715.422274][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1715.422274][ T74] net_rx_action+0x495/0xbe0 [ 1715.422274][ T74] __do_softirq+0x1b5/0x7f6 [ 1715.422274][ T74] [ 1715.423926][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1715.423926][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1715.423926][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1715.423926][ T74] fib6_nh_init+0xa22/0x1580 [ 1715.423926][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1715.423926][ T74] ip6_route_add+0x1c/0x140 [ 1715.423926][ T74] inet6_rtm_newroute+0x104/0x110 [ 1715.423926][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1715.423926][ T74] netlink_rcv_skb+0x130/0x360 [ 1715.423926][ T74] netlink_unicast+0x449/0x710 [ 1715.423926][ T74] netlink_sendmsg+0x723/0xbe0 [ 1715.423926][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1715.423926][ T74] ___sys_sendmsg+0xee/0x170 [ 1715.423926][ T74] __sys_sendmsg+0xcd/0x170 [ 1715.423926][ T74] do_syscall_64+0xc6/0x1e0 [ 1715.423926][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1715.423926][ T74] [ 1715.425834][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1715.425834][ T74] netdev_get_by_index+0x5e/0x80 [ 1715.425834][ T74] fib6_nh_init+0x3d8/0x1580 [ 1715.425834][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1715.425834][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1715.425834][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1715.425834][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1715.425834][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1715.425834][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1715.425834][ T74] addrconf_dad_begin+0x310/0x670 [ 1715.425834][ T74] addrconf_dad_work+0x10b/0xab0 [ 1715.425834][ T74] process_one_work+0x84d/0x18a0 [ 1715.425834][ T74] worker_thread+0x587/0xd30 [ 1715.425834][ T74] kthread+0x28a/0x350 [ 1715.425834][ T74] ret_from_fork+0x31/0x70 [ 1715.425834][ T74] ret_from_fork_asm+0x1a/0x30 [ 1715.425834][ T74] [ 1715.427767][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1715.427767][ T74] netdev_get_by_index+0x5e/0x80 [ 1715.427767][ T74] fib6_nh_init+0x3d8/0x1580 [ 1715.427767][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1715.427767][ T74] ip6_route_add+0x1c/0x140 [ 1715.427767][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1715.427767][ T74] inet6_addr_add+0x4f8/0xa40 [ 1715.427767][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1715.427767][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1715.427767][ T74] netlink_rcv_skb+0x130/0x360 [ 1715.427767][ T74] netlink_unicast+0x449/0x710 [ 1715.427767][ T74] netlink_sendmsg+0x723/0xbe0 [ 1715.427767][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1715.427767][ T74] ___sys_sendmsg+0xee/0x170 [ 1715.427767][ T74] __sys_sendmsg+0xcd/0x170 [ 1715.427767][ T74] do_syscall_64+0xc6/0x1e0 [ 1715.427767][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1715.427767][ T74] [ 1715.429785][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1715.429785][ T74] netdev_get_by_index+0x5e/0x80 [ 1715.429785][ T74] fib6_nh_init+0x3d8/0x1580 [ 1715.429785][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1715.429785][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1715.429785][ T74] ipv6_add_addr+0x411/0x2000 [ 1715.429785][ T74] inet6_addr_add+0x30e/0xa40 [ 1715.429785][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1715.429785][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1715.429785][ T74] netlink_rcv_skb+0x130/0x360 [ 1715.429785][ T74] netlink_unicast+0x449/0x710 [ 1715.429785][ T74] netlink_sendmsg+0x723/0xbe0 [ 1715.429785][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1715.429785][ T74] ___sys_sendmsg+0xee/0x170 [ 1715.429785][ T74] __sys_sendmsg+0xcd/0x170 [ 1715.429785][ T74] do_syscall_64+0xc6/0x1e0 [ 1715.429785][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1715.429785][ T74] [ 1715.431837][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1715.431837][ T74] netdev_get_by_index+0x5e/0x80 [ 1715.431837][ T74] fib6_nh_init+0x3d8/0x1580 [ 1715.431837][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1715.431837][ T74] ip6_route_add+0x1c/0x140 [ 1715.431837][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1715.431837][ T74] addrconf_add_dev+0xe2/0x170 [ 1715.431837][ T74] inet6_addr_add+0x12f/0xa40 [ 1715.431837][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1715.431837][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1715.431837][ T74] netlink_rcv_skb+0x130/0x360 [ 1715.431837][ T74] netlink_unicast+0x449/0x710 [ 1715.431837][ T74] netlink_sendmsg+0x723/0xbe0 [ 1715.431837][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1715.431837][ T74] ___sys_sendmsg+0xee/0x170 [ 1715.431837][ T74] __sys_sendmsg+0xcd/0x170 [ 1715.431837][ T74] do_syscall_64+0xc6/0x1e0 [ 1715.431837][ T74] [ 1715.433809][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1715.433809][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1715.433809][ T74] ipv6_find_idev+0x102/0x170 [ 1715.433809][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1715.433809][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1715.433809][ T74] netlink_rcv_skb+0x130/0x360 [ 1715.433809][ T74] netlink_unicast+0x449/0x710 [ 1715.433809][ T74] netlink_sendmsg+0x723/0xbe0 [ 1715.433809][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1715.433809][ T74] ___sys_sendmsg+0xee/0x170 [ 1715.433809][ T74] __sys_sendmsg+0xcd/0x170 [ 1715.433809][ T74] do_syscall_64+0xc6/0x1e0 [ 1715.433809][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1715.433809][ T74] [ 1715.435530][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1715.435530][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1715.435530][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1715.435530][ T74] ipv6_find_idev+0x102/0x170 [ 1715.435530][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1715.435530][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1715.435530][ T74] netlink_rcv_skb+0x130/0x360 [ 1715.435530][ T74] netlink_unicast+0x449/0x710 [ 1715.435530][ T74] netlink_sendmsg+0x723/0xbe0 [ 1715.435530][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1715.435530][ T74] ___sys_sendmsg+0xee/0x170 [ 1715.435530][ T74] __sys_sendmsg+0xcd/0x170 [ 1715.435530][ T74] do_syscall_64+0xc6/0x1e0 [ 1715.435530][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1715.435530][ T74] [ 1715.437470][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1715.437713][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1715.437713][ T74] netdev_get_by_index+0x5e/0x80 [ 1715.437713][ T74] fib6_nh_init+0x3d8/0x1580 [ 1715.437713][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1715.437713][ T74] ip6_route_add+0x1c/0x140 [ 1715.437713][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1715.437713][ T74] inet6_addr_add+0x4f8/0xa40 [ 1715.437713][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1715.437713][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1715.437713][ T74] netlink_rcv_skb+0x130/0x360 [ 1715.437713][ T74] netlink_unicast+0x449/0x710 [ 1715.437713][ T74] netlink_sendmsg+0x723/0xbe0 [ 1715.437713][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1715.437713][ T74] ___sys_sendmsg+0xee/0x170 [ 1715.437713][ T74] __sys_sendmsg+0xcd/0x170 [ 1715.437713][ T74] do_syscall_64+0xc6/0x1e0 [ 1715.437713][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1715.437713][ T74] [ 1715.439954][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1715.439954][ T74] netdev_get_by_index+0x5e/0x80 [ 1715.439954][ T74] fib6_nh_init+0x3d8/0x1580 [ 1715.439954][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1715.439954][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1715.439954][ T74] ipv6_add_addr+0x411/0x2000 [ 1715.439954][ T74] inet6_addr_add+0x30e/0xa40 [ 1715.439954][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1715.439954][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1715.439954][ T74] netlink_rcv_skb+0x130/0x360 [ 1715.439954][ T74] netlink_unicast+0x449/0x710 [ 1715.439954][ T74] netlink_sendmsg+0x723/0xbe0 [ 1715.439954][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1715.439954][ T74] ___sys_sendmsg+0xee/0x170 [ 1715.439954][ T74] __sys_sendmsg+0xcd/0x170 [ 1715.439954][ T74] do_syscall_64+0xc6/0x1e0 [ 1715.439954][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1715.439954][ T74] [ 1715.442205][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1715.442205][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1715.442205][ T74] ipv6_find_idev+0x102/0x170 [ 1715.442205][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1715.442205][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1715.442205][ T74] netlink_rcv_skb+0x130/0x360 [ 1715.442205][ T74] netlink_unicast+0x449/0x710 [ 1715.442205][ T74] netlink_sendmsg+0x723/0xbe0 [ 1715.442205][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1715.442205][ T74] ___sys_sendmsg+0xee/0x170 [ 1715.442205][ T74] __sys_sendmsg+0xcd/0x170 [ 1715.442205][ T74] do_syscall_64+0xc6/0x1e0 [ 1715.442205][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1715.442205][ T74] [ 1715.443935][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1715.443935][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1715.443935][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1715.443935][ T74] ipv6_find_idev+0x102/0x170 [ 1715.443935][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1715.443935][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1715.443935][ T74] netlink_rcv_skb+0x130/0x360 [ 1715.443935][ T74] netlink_unicast+0x449/0x710 [ 1715.443935][ T74] netlink_sendmsg+0x723/0xbe0 [ 1715.443935][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1715.443935][ T74] ___sys_sendmsg+0xee/0x170 [ 1715.443935][ T74] __sys_sendmsg+0xcd/0x170 [ 1715.443935][ T74] do_syscall_64+0xc6/0x1e0 [ 1715.443935][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1715.443935][ T74] [ 1721.639937][ T42] INFO: task modprobe:7619 blocked for more than 122 seconds. [ 1721.640470][ T42] Not tainted 6.8.0-virtme #1 [ 1721.640619][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1721.640839][ T42] task:modprobe state:D stack:25856 pid:7619 tgid:7619 ppid:62 flags:0x00004002 [ 1721.641143][ T42] Call Trace: [ 1721.641257][ T42] [ 1721.641331][ T42] __schedule+0x705/0x1ac0 [ 1721.641823][ T42] ? __pfx___schedule+0x10/0x10 [ 1721.641987][ T42] ? schedule+0x1a5/0x210 [ 1721.642086][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1721.642219][ T42] ? mark_lock+0x38/0x3e0 [ 1721.642314][ T42] ? do_raw_spin_lock+0x131/0x270 [ 1721.642587][ T42] ? schedule+0x1a5/0x210 [ 1721.642696][ T42] schedule+0xdf/0x210 [ 1721.642793][ T42] schedule_preempt_disabled+0x15/0x30 [ 1721.642948][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 1721.643079][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 1721.643245][ T42] ? __pfx_console_unlock+0x10/0x10 [ 1721.643380][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1721.643511][ T42] ? lock_acquire+0x1c1/0x220 [ 1721.643649][ T42] ? register_pernet_subsys+0x1a/0x50 [ 1721.643803][ T42] down_write+0x1c9/0x200 [ 1721.643931][ T42] ? __pfx_down_write+0x10/0x10 [ 1721.644054][ T42] ? __pfx__printk+0x10/0x10 [ 1721.644188][ T42] ? __pfx___lock_release+0x10/0x10 [ 1721.644320][ T42] register_pernet_subsys+0x1a/0x50 [ 1721.644444][ T42] tcf_register_action+0xa3/0x600 [ 1721.644575][ T42] ? __pfx_gact_init_module+0x10/0x10 [act_gact] [ 1721.644743][ T42] do_one_initcall+0xc8/0x3f0 [ 1721.644897][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 1721.645026][ T42] ? __create_object+0x5e/0xb0 [ 1721.645155][ T42] ? kasan_unpoison+0x27/0x60 [ 1721.645284][ T42] do_init_module+0x233/0x740 [ 1721.645424][ T42] load_module+0x16b5/0x2350 [ 1721.645562][ T42] ? __pfx_load_module+0x10/0x10 [ 1721.645700][ T42] ? kernel_read_file+0x3d2/0x520 [ 1721.645830][ T42] ? kernel_read_file+0x300/0x520 [ 1721.645992][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 1721.646125][ T42] ? init_module_from_file+0xd2/0x130 [ 1721.646251][ T42] init_module_from_file+0xd2/0x130 [ 1721.646375][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 1721.646531][ T42] ? __lock_release+0x103/0x460 [ 1721.646663][ T42] ? idempotent_init_module+0x32a/0x620 [ 1721.646829][ T42] ? idempotent_init_module+0x32a/0x620 [ 1721.646963][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 1721.647093][ T42] idempotent_init_module+0x342/0x620 [ 1721.647221][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 1721.647392][ T42] __x64_sys_finit_module+0xbe/0x130 [ 1721.647520][ T42] do_syscall_64+0xc6/0x1e0 [ 1721.647647][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1721.647815][ T42] RIP: 0033:0x7f1db4f62e5d [ 1721.647961][ T42] RSP: 002b:00007ffe8261b448 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 1721.648149][ T42] RAX: ffffffffffffffda RBX: 0000555e1791ec80 RCX: 00007f1db4f62e5d [ 1721.648347][ T42] RDX: 0000000000000000 RSI: 0000555dd93dca2a RDI: 0000000000000000 [ 1721.648534][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007ffe8261b580 [ 1721.648737][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555dd93dca2a [ 1721.648946][ T42] R13: 0000555e1791eac0 R14: 0000555e1791f0b0 R15: 0000555e1791ecf1 [ 1721.649145][ T42] [ 1721.649242][ T42] [ 1721.649242][ T42] Showing all locks held in the system: [ 1721.649439][ T42] 1 lock held by khungtaskd/42: [ 1721.649568][ T42] #0: ffffffff9a7591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 1721.649825][ T42] 2 locks held by kworker/u18:1/62: [ 1721.649955][ T42] #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 1721.650218][ T42] #1: ffffc9000043fda0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 1721.650514][ T42] 3 locks held by kworker/u16:1/74: [ 1721.650652][ T42] #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 1721.650933][ T42] #1: ffffc900004ffda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 1721.651165][ T42] #2: ffffffff9af6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60 [ 1721.651399][ T42] 1 lock held by modprobe/7619: [ 1721.651520][ T42] #0: ffffffff9af6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 1721.651777][ T42] [ 1721.651866][ T42] ============================================= [ 1721.651866][ T42] [ 1725.695969][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1725.696401][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1725.696401][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1725.696401][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1725.696401][ T74] fib6_nh_init+0xa22/0x1580 [ 1725.696401][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1725.696401][ T74] ip6_route_add+0x1c/0x140 [ 1725.696401][ T74] inet6_rtm_newroute+0x104/0x110 [ 1725.696401][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1725.696401][ T74] netlink_rcv_skb+0x130/0x360 [ 1725.696401][ T74] netlink_unicast+0x449/0x710 [ 1725.696401][ T74] netlink_sendmsg+0x723/0xbe0 [ 1725.696401][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1725.696401][ T74] ___sys_sendmsg+0xee/0x170 [ 1725.696401][ T74] __sys_sendmsg+0xcd/0x170 [ 1725.696401][ T74] do_syscall_64+0xc6/0x1e0 [ 1725.696401][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1725.696401][ T74] [ 1725.698391][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1725.698391][ T74] netdev_get_by_index+0x5e/0x80 [ 1725.698391][ T74] fib6_nh_init+0x3d8/0x1580 [ 1725.698391][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1725.698391][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1725.698391][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1725.698391][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1725.698391][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1725.698391][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1725.698391][ T74] addrconf_dad_begin+0x310/0x670 [ 1725.698391][ T74] addrconf_dad_work+0x10b/0xab0 [ 1725.698391][ T74] process_one_work+0x84d/0x18a0 [ 1725.698391][ T74] worker_thread+0x587/0xd30 [ 1725.698391][ T74] kthread+0x28a/0x350 [ 1725.698391][ T74] ret_from_fork+0x31/0x70 [ 1725.698391][ T74] ret_from_fork_asm+0x1a/0x30 [ 1725.698391][ T74] [ 1725.700399][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1725.700399][ T74] netdev_get_by_index+0x5e/0x80 [ 1725.700399][ T74] fib6_nh_init+0x3d8/0x1580 [ 1725.700399][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1725.700399][ T74] ip6_route_add+0x1c/0x140 [ 1725.700399][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1725.700399][ T74] inet6_addr_add+0x4f8/0xa40 [ 1725.700399][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1725.700399][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1725.700399][ T74] netlink_rcv_skb+0x130/0x360 [ 1725.700399][ T74] netlink_unicast+0x449/0x710 [ 1725.700399][ T74] netlink_sendmsg+0x723/0xbe0 [ 1725.700399][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1725.700399][ T74] ___sys_sendmsg+0xee/0x170 [ 1725.700399][ T74] __sys_sendmsg+0xcd/0x170 [ 1725.700399][ T74] do_syscall_64+0xc6/0x1e0 [ 1725.700399][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1725.700399][ T74] [ 1725.702473][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1725.702473][ T74] netdev_get_by_index+0x5e/0x80 [ 1725.702473][ T74] fib6_nh_init+0x3d8/0x1580 [ 1725.702473][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1725.702473][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1725.702473][ T74] ipv6_add_addr+0x411/0x2000 [ 1725.702473][ T74] inet6_addr_add+0x30e/0xa40 [ 1725.702473][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1725.702473][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1725.702473][ T74] netlink_rcv_skb+0x130/0x360 [ 1725.702473][ T74] netlink_unicast+0x449/0x710 [ 1725.702473][ T74] netlink_sendmsg+0x723/0xbe0 [ 1725.702473][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1725.702473][ T74] ___sys_sendmsg+0xee/0x170 [ 1725.702473][ T74] __sys_sendmsg+0xcd/0x170 [ 1725.702473][ T74] do_syscall_64+0xc6/0x1e0 [ 1725.702473][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1725.702473][ T74] [ 1725.704532][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1725.704532][ T74] netdev_get_by_index+0x5e/0x80 [ 1725.704532][ T74] fib6_nh_init+0x3d8/0x1580 [ 1725.704532][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1725.704532][ T74] ip6_route_add+0x1c/0x140 [ 1725.704532][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1725.704532][ T74] addrconf_add_dev+0xe2/0x170 [ 1725.704532][ T74] inet6_addr_add+0x12f/0xa40 [ 1725.704532][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1725.704532][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1725.704532][ T74] netlink_rcv_skb+0x130/0x360 [ 1725.704532][ T74] netlink_unicast+0x449/0x710 [ 1725.704532][ T74] netlink_sendmsg+0x723/0xbe0 [ 1725.704532][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1725.704532][ T74] ___sys_sendmsg+0xee/0x170 [ 1725.704532][ T74] __sys_sendmsg+0xcd/0x170 [ 1725.704532][ T74] do_syscall_64+0xc6/0x1e0 [ 1725.704532][ T74] [ 1725.706552][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1725.706552][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1725.706552][ T74] ipv6_find_idev+0x102/0x170 [ 1725.706552][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1725.706552][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1725.706552][ T74] netlink_rcv_skb+0x130/0x360 [ 1725.706552][ T74] netlink_unicast+0x449/0x710 [ 1725.706552][ T74] netlink_sendmsg+0x723/0xbe0 [ 1725.706552][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1725.706552][ T74] ___sys_sendmsg+0xee/0x170 [ 1725.706552][ T74] __sys_sendmsg+0xcd/0x170 [ 1725.706552][ T74] do_syscall_64+0xc6/0x1e0 [ 1725.706552][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1725.706552][ T74] [ 1725.708176][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1725.708176][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1725.708176][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1725.708176][ T74] ipv6_find_idev+0x102/0x170 [ 1725.708176][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1725.708176][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1725.708176][ T74] netlink_rcv_skb+0x130/0x360 [ 1725.708176][ T74] netlink_unicast+0x449/0x710 [ 1725.708176][ T74] netlink_sendmsg+0x723/0xbe0 [ 1725.708176][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1725.708176][ T74] ___sys_sendmsg+0xee/0x170 [ 1725.708176][ T74] __sys_sendmsg+0xcd/0x170 [ 1725.708176][ T74] do_syscall_64+0xc6/0x1e0 [ 1725.708176][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1725.708176][ T74] [ 1725.709994][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1725.710291][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1725.710291][ T74] dst_init+0x84/0x4a0 [ 1725.710291][ T74] dst_alloc+0x97/0x150 [ 1725.710291][ T74] ip6_dst_alloc+0x23/0x90 [ 1725.710291][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1725.710291][ T74] ip6_pol_route+0x56f/0x840 [ 1725.710291][ T74] fib6_rule_lookup+0x456/0x630 [ 1725.710291][ T74] ip6_route_input+0x59c/0xa50 [ 1725.710291][ T74] ipv6_rcv+0x397/0x810 [ 1725.710291][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1725.710291][ T74] process_backlog+0x101/0x620 [ 1725.710291][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1725.710291][ T74] net_rx_action+0x495/0xbe0 [ 1725.710291][ T74] __do_softirq+0x1b5/0x7f6 [ 1725.710291][ T74] [ 1725.712033][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1725.712033][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1725.712033][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1725.712033][ T74] fib6_nh_init+0xa22/0x1580 [ 1725.712033][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1725.712033][ T74] ip6_route_add+0x1c/0x140 [ 1725.712033][ T74] inet6_rtm_newroute+0x104/0x110 [ 1725.712033][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1725.712033][ T74] netlink_rcv_skb+0x130/0x360 [ 1725.712033][ T74] netlink_unicast+0x449/0x710 [ 1725.712033][ T74] netlink_sendmsg+0x723/0xbe0 [ 1725.712033][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1725.712033][ T74] ___sys_sendmsg+0xee/0x170 [ 1725.712033][ T74] __sys_sendmsg+0xcd/0x170 [ 1725.712033][ T74] do_syscall_64+0xc6/0x1e0 [ 1725.712033][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1725.712033][ T74] [ 1725.713996][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1725.713996][ T74] netdev_get_by_index+0x5e/0x80 [ 1725.713996][ T74] fib6_nh_init+0x3d8/0x1580 [ 1725.713996][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1725.713996][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1725.713996][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1725.713996][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1725.713996][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1725.713996][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1725.713996][ T74] addrconf_dad_begin+0x310/0x670 [ 1725.713996][ T74] addrconf_dad_work+0x10b/0xab0 [ 1725.713996][ T74] process_one_work+0x84d/0x18a0 [ 1725.713996][ T74] worker_thread+0x587/0xd30 [ 1725.713996][ T74] kthread+0x28a/0x350 [ 1725.713996][ T74] ret_from_fork+0x31/0x70 [ 1725.713996][ T74] ret_from_fork_asm+0x1a/0x30 [ 1725.713996][ T74] [ 1725.715993][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1725.715993][ T74] netdev_get_by_index+0x5e/0x80 [ 1725.715993][ T74] fib6_nh_init+0x3d8/0x1580 [ 1725.715993][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1725.715993][ T74] ip6_route_add+0x1c/0x140 [ 1725.715993][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1725.715993][ T74] inet6_addr_add+0x4f8/0xa40 [ 1725.715993][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1725.715993][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1725.715993][ T74] netlink_rcv_skb+0x130/0x360 [ 1725.715993][ T74] netlink_unicast+0x449/0x710 [ 1725.715993][ T74] netlink_sendmsg+0x723/0xbe0 [ 1725.715993][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1725.715993][ T74] ___sys_sendmsg+0xee/0x170 [ 1725.715993][ T74] __sys_sendmsg+0xcd/0x170 [ 1725.715993][ T74] do_syscall_64+0xc6/0x1e0 [ 1725.715993][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1725.715993][ T74] [ 1725.718071][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1725.718071][ T74] netdev_get_by_index+0x5e/0x80 [ 1725.718071][ T74] fib6_nh_init+0x3d8/0x1580 [ 1725.718071][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1725.718071][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1725.718071][ T74] ipv6_add_addr+0x411/0x2000 [ 1725.718071][ T74] inet6_addr_add+0x30e/0xa40 [ 1725.718071][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1725.718071][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1725.718071][ T74] netlink_rcv_skb+0x130/0x360 [ 1725.718071][ T74] netlink_unicast+0x449/0x710 [ 1725.718071][ T74] netlink_sendmsg+0x723/0xbe0 [ 1725.718071][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1725.718071][ T74] ___sys_sendmsg+0xee/0x170 [ 1725.718071][ T74] __sys_sendmsg+0xcd/0x170 [ 1725.718071][ T74] do_syscall_64+0xc6/0x1e0 [ 1725.718071][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1725.718071][ T74] [ 1725.720156][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1725.720156][ T74] netdev_get_by_index+0x5e/0x80 [ 1725.720156][ T74] fib6_nh_init+0x3d8/0x1580 [ 1725.720156][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1725.720156][ T74] ip6_route_add+0x1c/0x140 [ 1725.720156][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1725.720156][ T74] addrconf_add_dev+0xe2/0x170 [ 1725.720156][ T74] inet6_addr_add+0x12f/0xa40 [ 1725.720156][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1725.720156][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1725.720156][ T74] netlink_rcv_skb+0x130/0x360 [ 1725.720156][ T74] netlink_unicast+0x449/0x710 [ 1725.720156][ T74] netlink_sendmsg+0x723/0xbe0 [ 1725.720156][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1725.720156][ T74] ___sys_sendmsg+0xee/0x170 [ 1725.720156][ T74] __sys_sendmsg+0xcd/0x170 [ 1725.720156][ T74] do_syscall_64+0xc6/0x1e0 [ 1725.720156][ T74] [ 1725.722231][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1725.722231][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1725.722231][ T74] ipv6_find_idev+0x102/0x170 [ 1725.722231][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1725.722231][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1725.722231][ T74] netlink_rcv_skb+0x130/0x360 [ 1725.722231][ T74] netlink_unicast+0x449/0x710 [ 1725.722231][ T74] netlink_sendmsg+0x723/0xbe0 [ 1725.722231][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1725.722231][ T74] ___sys_sendmsg+0xee/0x170 [ 1725.722231][ T74] __sys_sendmsg+0xcd/0x170 [ 1725.722231][ T74] do_syscall_64+0xc6/0x1e0 [ 1725.722231][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1725.722231][ T74] [ 1725.724032][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1725.724032][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1725.724032][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1725.724032][ T74] ipv6_find_idev+0x102/0x170 [ 1725.724032][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1725.724032][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1725.724032][ T74] netlink_rcv_skb+0x130/0x360 [ 1725.724032][ T74] netlink_unicast+0x449/0x710 [ 1725.724032][ T74] netlink_sendmsg+0x723/0xbe0 [ 1725.724032][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1725.724032][ T74] ___sys_sendmsg+0xee/0x170 [ 1725.724032][ T74] __sys_sendmsg+0xcd/0x170 [ 1725.724032][ T74] do_syscall_64+0xc6/0x1e0 [ 1725.724032][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1725.724032][ T74] [ 1725.726070][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1725.726383][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1725.726383][ T74] netdev_get_by_index+0x5e/0x80 [ 1725.726383][ T74] fib6_nh_init+0x3d8/0x1580 [ 1725.726383][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1725.726383][ T74] ip6_route_add+0x1c/0x140 [ 1725.726383][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1725.726383][ T74] inet6_addr_add+0x4f8/0xa40 [ 1725.726383][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1725.726383][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1725.726383][ T74] netlink_rcv_skb+0x130/0x360 [ 1725.726383][ T74] netlink_unicast+0x449/0x710 [ 1725.726383][ T74] netlink_sendmsg+0x723/0xbe0 [ 1725.726383][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1725.726383][ T74] ___sys_sendmsg+0xee/0x170 [ 1725.726383][ T74] __sys_sendmsg+0xcd/0x170 [ 1725.726383][ T74] do_syscall_64+0xc6/0x1e0 [ 1725.726383][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1725.726383][ T74] [ 1725.728645][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1725.728645][ T74] netdev_get_by_index+0x5e/0x80 [ 1725.728645][ T74] fib6_nh_init+0x3d8/0x1580 [ 1725.728645][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1725.728645][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1725.728645][ T74] ipv6_add_addr+0x411/0x2000 [ 1725.728645][ T74] inet6_addr_add+0x30e/0xa40 [ 1725.728645][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1725.728645][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1725.728645][ T74] netlink_rcv_skb+0x130/0x360 [ 1725.728645][ T74] netlink_unicast+0x449/0x710 [ 1725.728645][ T74] netlink_sendmsg+0x723/0xbe0 [ 1725.728645][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1725.728645][ T74] ___sys_sendmsg+0xee/0x170 [ 1725.728645][ T74] __sys_sendmsg+0xcd/0x170 [ 1725.728645][ T74] do_syscall_64+0xc6/0x1e0 [ 1725.728645][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1725.728645][ T74] [ 1725.730973][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1725.730973][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1725.730973][ T74] ipv6_find_idev+0x102/0x170 [ 1725.730973][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1725.730973][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1725.730973][ T74] netlink_rcv_skb+0x130/0x360 [ 1725.730973][ T74] netlink_unicast+0x449/0x710 [ 1725.730973][ T74] netlink_sendmsg+0x723/0xbe0 [ 1725.730973][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1725.730973][ T74] ___sys_sendmsg+0xee/0x170 [ 1725.730973][ T74] __sys_sendmsg+0xcd/0x170 [ 1725.730973][ T74] do_syscall_64+0xc6/0x1e0 [ 1725.730973][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1725.730973][ T74] [ 1725.732834][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1725.732834][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1725.732834][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1725.732834][ T74] ipv6_find_idev+0x102/0x170 [ 1725.732834][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1725.732834][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1725.732834][ T74] netlink_rcv_skb+0x130/0x360 [ 1725.732834][ T74] netlink_unicast+0x449/0x710 [ 1725.732834][ T74] netlink_sendmsg+0x723/0xbe0 [ 1725.732834][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1725.732834][ T74] ___sys_sendmsg+0xee/0x170 [ 1725.732834][ T74] __sys_sendmsg+0xcd/0x170 [ 1725.732834][ T74] do_syscall_64+0xc6/0x1e0 [ 1725.732834][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1725.732834][ T74] [ 1735.984008][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1735.984444][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1735.984444][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1735.984444][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1735.984444][ T74] fib6_nh_init+0xa22/0x1580 [ 1735.984444][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1735.984444][ T74] ip6_route_add+0x1c/0x140 [ 1735.984444][ T74] inet6_rtm_newroute+0x104/0x110 [ 1735.984444][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1735.984444][ T74] netlink_rcv_skb+0x130/0x360 [ 1735.984444][ T74] netlink_unicast+0x449/0x710 [ 1735.984444][ T74] netlink_sendmsg+0x723/0xbe0 [ 1735.984444][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1735.984444][ T74] ___sys_sendmsg+0xee/0x170 [ 1735.984444][ T74] __sys_sendmsg+0xcd/0x170 [ 1735.984444][ T74] do_syscall_64+0xc6/0x1e0 [ 1735.984444][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1735.984444][ T74] [ 1735.986427][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1735.986427][ T74] netdev_get_by_index+0x5e/0x80 [ 1735.986427][ T74] fib6_nh_init+0x3d8/0x1580 [ 1735.986427][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1735.986427][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1735.986427][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1735.986427][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1735.986427][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1735.986427][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1735.986427][ T74] addrconf_dad_begin+0x310/0x670 [ 1735.986427][ T74] addrconf_dad_work+0x10b/0xab0 [ 1735.986427][ T74] process_one_work+0x84d/0x18a0 [ 1735.986427][ T74] worker_thread+0x587/0xd30 [ 1735.986427][ T74] kthread+0x28a/0x350 [ 1735.986427][ T74] ret_from_fork+0x31/0x70 [ 1735.986427][ T74] ret_from_fork_asm+0x1a/0x30 [ 1735.986427][ T74] [ 1735.988422][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1735.988422][ T74] netdev_get_by_index+0x5e/0x80 [ 1735.988422][ T74] fib6_nh_init+0x3d8/0x1580 [ 1735.988422][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1735.988422][ T74] ip6_route_add+0x1c/0x140 [ 1735.988422][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1735.988422][ T74] inet6_addr_add+0x4f8/0xa40 [ 1735.988422][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1735.988422][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1735.988422][ T74] netlink_rcv_skb+0x130/0x360 [ 1735.988422][ T74] netlink_unicast+0x449/0x710 [ 1735.988422][ T74] netlink_sendmsg+0x723/0xbe0 [ 1735.988422][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1735.988422][ T74] ___sys_sendmsg+0xee/0x170 [ 1735.988422][ T74] __sys_sendmsg+0xcd/0x170 [ 1735.988422][ T74] do_syscall_64+0xc6/0x1e0 [ 1735.988422][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1735.988422][ T74] [ 1735.990501][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1735.990501][ T74] netdev_get_by_index+0x5e/0x80 [ 1735.990501][ T74] fib6_nh_init+0x3d8/0x1580 [ 1735.990501][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1735.990501][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1735.990501][ T74] ipv6_add_addr+0x411/0x2000 [ 1735.990501][ T74] inet6_addr_add+0x30e/0xa40 [ 1735.990501][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1735.990501][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1735.990501][ T74] netlink_rcv_skb+0x130/0x360 [ 1735.990501][ T74] netlink_unicast+0x449/0x710 [ 1735.990501][ T74] netlink_sendmsg+0x723/0xbe0 [ 1735.990501][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1735.990501][ T74] ___sys_sendmsg+0xee/0x170 [ 1735.990501][ T74] __sys_sendmsg+0xcd/0x170 [ 1735.990501][ T74] do_syscall_64+0xc6/0x1e0 [ 1735.990501][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1735.990501][ T74] [ 1735.992598][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1735.992598][ T74] netdev_get_by_index+0x5e/0x80 [ 1735.992598][ T74] fib6_nh_init+0x3d8/0x1580 [ 1735.992598][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1735.992598][ T74] ip6_route_add+0x1c/0x140 [ 1735.992598][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1735.992598][ T74] addrconf_add_dev+0xe2/0x170 [ 1735.992598][ T74] inet6_addr_add+0x12f/0xa40 [ 1735.992598][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1735.992598][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1735.992598][ T74] netlink_rcv_skb+0x130/0x360 [ 1735.992598][ T74] netlink_unicast+0x449/0x710 [ 1735.992598][ T74] netlink_sendmsg+0x723/0xbe0 [ 1735.992598][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1735.992598][ T74] ___sys_sendmsg+0xee/0x170 [ 1735.992598][ T74] __sys_sendmsg+0xcd/0x170 [ 1735.992598][ T74] do_syscall_64+0xc6/0x1e0 [ 1735.992598][ T74] [ 1735.994635][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1735.994635][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1735.994635][ T74] ipv6_find_idev+0x102/0x170 [ 1735.994635][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1735.994635][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1735.994635][ T74] netlink_rcv_skb+0x130/0x360 [ 1735.994635][ T74] netlink_unicast+0x449/0x710 [ 1735.994635][ T74] netlink_sendmsg+0x723/0xbe0 [ 1735.994635][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1735.994635][ T74] ___sys_sendmsg+0xee/0x170 [ 1735.994635][ T74] __sys_sendmsg+0xcd/0x170 [ 1735.994635][ T74] do_syscall_64+0xc6/0x1e0 [ 1735.994635][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1735.994635][ T74] [ 1735.996229][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1735.996229][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1735.996229][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1735.996229][ T74] ipv6_find_idev+0x102/0x170 [ 1735.996229][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1735.996229][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1735.996229][ T74] netlink_rcv_skb+0x130/0x360 [ 1735.996229][ T74] netlink_unicast+0x449/0x710 [ 1735.996229][ T74] netlink_sendmsg+0x723/0xbe0 [ 1735.996229][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1735.996229][ T74] ___sys_sendmsg+0xee/0x170 [ 1735.996229][ T74] __sys_sendmsg+0xcd/0x170 [ 1735.996229][ T74] do_syscall_64+0xc6/0x1e0 [ 1735.996229][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1735.996229][ T74] [ 1735.998029][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1735.998321][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1735.998321][ T74] dst_init+0x84/0x4a0 [ 1735.998321][ T74] dst_alloc+0x97/0x150 [ 1735.998321][ T74] ip6_dst_alloc+0x23/0x90 [ 1735.998321][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1735.998321][ T74] ip6_pol_route+0x56f/0x840 [ 1735.998321][ T74] fib6_rule_lookup+0x456/0x630 [ 1735.998321][ T74] ip6_route_input+0x59c/0xa50 [ 1735.998321][ T74] ipv6_rcv+0x397/0x810 [ 1735.998321][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1735.998321][ T74] process_backlog+0x101/0x620 [ 1735.998321][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1735.998321][ T74] net_rx_action+0x495/0xbe0 [ 1735.998321][ T74] __do_softirq+0x1b5/0x7f6 [ 1735.998321][ T74] [ 1736.000032][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1736.000032][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1736.000032][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1736.000032][ T74] fib6_nh_init+0xa22/0x1580 [ 1736.000032][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1736.000032][ T74] ip6_route_add+0x1c/0x140 [ 1736.000032][ T74] inet6_rtm_newroute+0x104/0x110 [ 1736.000032][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1736.000032][ T74] netlink_rcv_skb+0x130/0x360 [ 1736.000032][ T74] netlink_unicast+0x449/0x710 [ 1736.000032][ T74] netlink_sendmsg+0x723/0xbe0 [ 1736.000032][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1736.000032][ T74] ___sys_sendmsg+0xee/0x170 [ 1736.000032][ T74] __sys_sendmsg+0xcd/0x170 [ 1736.000032][ T74] do_syscall_64+0xc6/0x1e0 [ 1736.000032][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1736.000032][ T74] [ 1736.001993][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1736.001993][ T74] netdev_get_by_index+0x5e/0x80 [ 1736.001993][ T74] fib6_nh_init+0x3d8/0x1580 [ 1736.001993][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1736.001993][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1736.001993][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1736.001993][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1736.001993][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1736.001993][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1736.001993][ T74] addrconf_dad_begin+0x310/0x670 [ 1736.001993][ T74] addrconf_dad_work+0x10b/0xab0 [ 1736.001993][ T74] process_one_work+0x84d/0x18a0 [ 1736.001993][ T74] worker_thread+0x587/0xd30 [ 1736.001993][ T74] kthread+0x28a/0x350 [ 1736.001993][ T74] ret_from_fork+0x31/0x70 [ 1736.001993][ T74] ret_from_fork_asm+0x1a/0x30 [ 1736.001993][ T74] [ 1736.003980][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1736.003980][ T74] netdev_get_by_index+0x5e/0x80 [ 1736.003980][ T74] fib6_nh_init+0x3d8/0x1580 [ 1736.003980][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1736.003980][ T74] ip6_route_add+0x1c/0x140 [ 1736.003980][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1736.003980][ T74] inet6_addr_add+0x4f8/0xa40 [ 1736.003980][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1736.003980][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1736.003980][ T74] netlink_rcv_skb+0x130/0x360 [ 1736.003980][ T74] netlink_unicast+0x449/0x710 [ 1736.003980][ T74] netlink_sendmsg+0x723/0xbe0 [ 1736.003980][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1736.003980][ T74] ___sys_sendmsg+0xee/0x170 [ 1736.003980][ T74] __sys_sendmsg+0xcd/0x170 [ 1736.003980][ T74] do_syscall_64+0xc6/0x1e0 [ 1736.003980][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1736.003980][ T74] [ 1736.006068][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1736.006068][ T74] netdev_get_by_index+0x5e/0x80 [ 1736.006068][ T74] fib6_nh_init+0x3d8/0x1580 [ 1736.006068][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1736.006068][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1736.006068][ T74] ipv6_add_addr+0x411/0x2000 [ 1736.006068][ T74] inet6_addr_add+0x30e/0xa40 [ 1736.006068][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1736.006068][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1736.006068][ T74] netlink_rcv_skb+0x130/0x360 [ 1736.006068][ T74] netlink_unicast+0x449/0x710 [ 1736.006068][ T74] netlink_sendmsg+0x723/0xbe0 [ 1736.006068][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1736.006068][ T74] ___sys_sendmsg+0xee/0x170 [ 1736.006068][ T74] __sys_sendmsg+0xcd/0x170 [ 1736.006068][ T74] do_syscall_64+0xc6/0x1e0 [ 1736.006068][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1736.006068][ T74] [ 1736.008147][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1736.008147][ T74] netdev_get_by_index+0x5e/0x80 [ 1736.008147][ T74] fib6_nh_init+0x3d8/0x1580 [ 1736.008147][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1736.008147][ T74] ip6_route_add+0x1c/0x140 [ 1736.008147][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1736.008147][ T74] addrconf_add_dev+0xe2/0x170 [ 1736.008147][ T74] inet6_addr_add+0x12f/0xa40 [ 1736.008147][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1736.008147][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1736.008147][ T74] netlink_rcv_skb+0x130/0x360 [ 1736.008147][ T74] netlink_unicast+0x449/0x710 [ 1736.008147][ T74] netlink_sendmsg+0x723/0xbe0 [ 1736.008147][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1736.008147][ T74] ___sys_sendmsg+0xee/0x170 [ 1736.008147][ T74] __sys_sendmsg+0xcd/0x170 [ 1736.008147][ T74] do_syscall_64+0xc6/0x1e0 [ 1736.008147][ T74] [ 1736.010187][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1736.010187][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1736.010187][ T74] ipv6_find_idev+0x102/0x170 [ 1736.010187][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1736.010187][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1736.010187][ T74] netlink_rcv_skb+0x130/0x360 [ 1736.010187][ T74] netlink_unicast+0x449/0x710 [ 1736.010187][ T74] netlink_sendmsg+0x723/0xbe0 [ 1736.010187][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1736.010187][ T74] ___sys_sendmsg+0xee/0x170 [ 1736.010187][ T74] __sys_sendmsg+0xcd/0x170 [ 1736.010187][ T74] do_syscall_64+0xc6/0x1e0 [ 1736.010187][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1736.010187][ T74] [ 1736.012022][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1736.012022][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1736.012022][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1736.012022][ T74] ipv6_find_idev+0x102/0x170 [ 1736.012022][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1736.012022][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1736.012022][ T74] netlink_rcv_skb+0x130/0x360 [ 1736.012022][ T74] netlink_unicast+0x449/0x710 [ 1736.012022][ T74] netlink_sendmsg+0x723/0xbe0 [ 1736.012022][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1736.012022][ T74] ___sys_sendmsg+0xee/0x170 [ 1736.012022][ T74] __sys_sendmsg+0xcd/0x170 [ 1736.012022][ T74] do_syscall_64+0xc6/0x1e0 [ 1736.012022][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1736.012022][ T74] [ 1736.014037][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1736.014359][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1736.014359][ T74] netdev_get_by_index+0x5e/0x80 [ 1736.014359][ T74] fib6_nh_init+0x3d8/0x1580 [ 1736.014359][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1736.014359][ T74] ip6_route_add+0x1c/0x140 [ 1736.014359][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1736.014359][ T74] inet6_addr_add+0x4f8/0xa40 [ 1736.014359][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1736.014359][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1736.014359][ T74] netlink_rcv_skb+0x130/0x360 [ 1736.014359][ T74] netlink_unicast+0x449/0x710 [ 1736.014359][ T74] netlink_sendmsg+0x723/0xbe0 [ 1736.014359][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1736.014359][ T74] ___sys_sendmsg+0xee/0x170 [ 1736.014359][ T74] __sys_sendmsg+0xcd/0x170 [ 1736.014359][ T74] do_syscall_64+0xc6/0x1e0 [ 1736.014359][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1736.014359][ T74] [ 1736.016615][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1736.016615][ T74] netdev_get_by_index+0x5e/0x80 [ 1736.016615][ T74] fib6_nh_init+0x3d8/0x1580 [ 1736.016615][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1736.016615][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1736.016615][ T74] ipv6_add_addr+0x411/0x2000 [ 1736.016615][ T74] inet6_addr_add+0x30e/0xa40 [ 1736.016615][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1736.016615][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1736.016615][ T74] netlink_rcv_skb+0x130/0x360 [ 1736.016615][ T74] netlink_unicast+0x449/0x710 [ 1736.016615][ T74] netlink_sendmsg+0x723/0xbe0 [ 1736.016615][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1736.016615][ T74] ___sys_sendmsg+0xee/0x170 [ 1736.016615][ T74] __sys_sendmsg+0xcd/0x170 [ 1736.016615][ T74] do_syscall_64+0xc6/0x1e0 [ 1736.016615][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1736.016615][ T74] [ 1736.018918][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1736.018918][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1736.018918][ T74] ipv6_find_idev+0x102/0x170 [ 1736.018918][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1736.018918][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1736.018918][ T74] netlink_rcv_skb+0x130/0x360 [ 1736.018918][ T74] netlink_unicast+0x449/0x710 [ 1736.018918][ T74] netlink_sendmsg+0x723/0xbe0 [ 1736.018918][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1736.018918][ T74] ___sys_sendmsg+0xee/0x170 [ 1736.018918][ T74] __sys_sendmsg+0xcd/0x170 [ 1736.018918][ T74] do_syscall_64+0xc6/0x1e0 [ 1736.018918][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1736.018918][ T74] [ 1736.020717][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1736.020717][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1736.020717][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1736.020717][ T74] ipv6_find_idev+0x102/0x170 [ 1736.020717][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1736.020717][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1736.020717][ T74] netlink_rcv_skb+0x130/0x360 [ 1736.020717][ T74] netlink_unicast+0x449/0x710 [ 1736.020717][ T74] netlink_sendmsg+0x723/0xbe0 [ 1736.020717][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1736.020717][ T74] ___sys_sendmsg+0xee/0x170 [ 1736.020717][ T74] __sys_sendmsg+0xcd/0x170 [ 1736.020717][ T74] do_syscall_64+0xc6/0x1e0 [ 1736.020717][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1736.020717][ T74] [ 1746.096033][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1746.096434][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1746.096434][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1746.096434][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1746.096434][ T74] fib6_nh_init+0xa22/0x1580 [ 1746.096434][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1746.096434][ T74] ip6_route_add+0x1c/0x140 [ 1746.096434][ T74] inet6_rtm_newroute+0x104/0x110 [ 1746.096434][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1746.096434][ T74] netlink_rcv_skb+0x130/0x360 [ 1746.096434][ T74] netlink_unicast+0x449/0x710 [ 1746.096434][ T74] netlink_sendmsg+0x723/0xbe0 [ 1746.096434][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1746.096434][ T74] ___sys_sendmsg+0xee/0x170 [ 1746.096434][ T74] __sys_sendmsg+0xcd/0x170 [ 1746.096434][ T74] do_syscall_64+0xc6/0x1e0 [ 1746.096434][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1746.096434][ T74] [ 1746.098388][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1746.098388][ T74] netdev_get_by_index+0x5e/0x80 [ 1746.098388][ T74] fib6_nh_init+0x3d8/0x1580 [ 1746.098388][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1746.098388][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1746.098388][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1746.098388][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1746.098388][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1746.098388][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1746.098388][ T74] addrconf_dad_begin+0x310/0x670 [ 1746.098388][ T74] addrconf_dad_work+0x10b/0xab0 [ 1746.098388][ T74] process_one_work+0x84d/0x18a0 [ 1746.098388][ T74] worker_thread+0x587/0xd30 [ 1746.098388][ T74] kthread+0x28a/0x350 [ 1746.098388][ T74] ret_from_fork+0x31/0x70 [ 1746.098388][ T74] ret_from_fork_asm+0x1a/0x30 [ 1746.098388][ T74] [ 1746.100399][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1746.100399][ T74] netdev_get_by_index+0x5e/0x80 [ 1746.100399][ T74] fib6_nh_init+0x3d8/0x1580 [ 1746.100399][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1746.100399][ T74] ip6_route_add+0x1c/0x140 [ 1746.100399][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1746.100399][ T74] inet6_addr_add+0x4f8/0xa40 [ 1746.100399][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1746.100399][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1746.100399][ T74] netlink_rcv_skb+0x130/0x360 [ 1746.100399][ T74] netlink_unicast+0x449/0x710 [ 1746.100399][ T74] netlink_sendmsg+0x723/0xbe0 [ 1746.100399][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1746.100399][ T74] ___sys_sendmsg+0xee/0x170 [ 1746.100399][ T74] __sys_sendmsg+0xcd/0x170 [ 1746.100399][ T74] do_syscall_64+0xc6/0x1e0 [ 1746.100399][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1746.100399][ T74] [ 1746.102496][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1746.102496][ T74] netdev_get_by_index+0x5e/0x80 [ 1746.102496][ T74] fib6_nh_init+0x3d8/0x1580 [ 1746.102496][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1746.102496][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1746.102496][ T74] ipv6_add_addr+0x411/0x2000 [ 1746.102496][ T74] inet6_addr_add+0x30e/0xa40 [ 1746.102496][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1746.102496][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1746.102496][ T74] netlink_rcv_skb+0x130/0x360 [ 1746.102496][ T74] netlink_unicast+0x449/0x710 [ 1746.102496][ T74] netlink_sendmsg+0x723/0xbe0 [ 1746.102496][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1746.102496][ T74] ___sys_sendmsg+0xee/0x170 [ 1746.102496][ T74] __sys_sendmsg+0xcd/0x170 [ 1746.102496][ T74] do_syscall_64+0xc6/0x1e0 [ 1746.102496][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1746.102496][ T74] [ 1746.104576][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1746.104576][ T74] netdev_get_by_index+0x5e/0x80 [ 1746.104576][ T74] fib6_nh_init+0x3d8/0x1580 [ 1746.104576][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1746.104576][ T74] ip6_route_add+0x1c/0x140 [ 1746.104576][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1746.104576][ T74] addrconf_add_dev+0xe2/0x170 [ 1746.104576][ T74] inet6_addr_add+0x12f/0xa40 [ 1746.104576][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1746.104576][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1746.104576][ T74] netlink_rcv_skb+0x130/0x360 [ 1746.104576][ T74] netlink_unicast+0x449/0x710 [ 1746.104576][ T74] netlink_sendmsg+0x723/0xbe0 [ 1746.104576][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1746.104576][ T74] ___sys_sendmsg+0xee/0x170 [ 1746.104576][ T74] __sys_sendmsg+0xcd/0x170 [ 1746.104576][ T74] do_syscall_64+0xc6/0x1e0 [ 1746.104576][ T74] [ 1746.106583][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1746.106583][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1746.106583][ T74] ipv6_find_idev+0x102/0x170 [ 1746.106583][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1746.106583][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1746.106583][ T74] netlink_rcv_skb+0x130/0x360 [ 1746.106583][ T74] netlink_unicast+0x449/0x710 [ 1746.106583][ T74] netlink_sendmsg+0x723/0xbe0 [ 1746.106583][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1746.106583][ T74] ___sys_sendmsg+0xee/0x170 [ 1746.106583][ T74] __sys_sendmsg+0xcd/0x170 [ 1746.106583][ T74] do_syscall_64+0xc6/0x1e0 [ 1746.106583][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1746.106583][ T74] [ 1746.108146][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1746.108146][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1746.108146][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1746.108146][ T74] ipv6_find_idev+0x102/0x170 [ 1746.108146][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1746.108146][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1746.108146][ T74] netlink_rcv_skb+0x130/0x360 [ 1746.108146][ T74] netlink_unicast+0x449/0x710 [ 1746.108146][ T74] netlink_sendmsg+0x723/0xbe0 [ 1746.108146][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1746.108146][ T74] ___sys_sendmsg+0xee/0x170 [ 1746.108146][ T74] __sys_sendmsg+0xcd/0x170 [ 1746.108146][ T74] do_syscall_64+0xc6/0x1e0 [ 1746.108146][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1746.108146][ T74] [ 1746.109885][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1746.110169][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1746.110169][ T74] dst_init+0x84/0x4a0 [ 1746.110169][ T74] dst_alloc+0x97/0x150 [ 1746.110169][ T74] ip6_dst_alloc+0x23/0x90 [ 1746.110169][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1746.110169][ T74] ip6_pol_route+0x56f/0x840 [ 1746.110169][ T74] fib6_rule_lookup+0x456/0x630 [ 1746.110169][ T74] ip6_route_input+0x59c/0xa50 [ 1746.110169][ T74] ipv6_rcv+0x397/0x810 [ 1746.110169][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1746.110169][ T74] process_backlog+0x101/0x620 [ 1746.110169][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1746.110169][ T74] net_rx_action+0x495/0xbe0 [ 1746.110169][ T74] __do_softirq+0x1b5/0x7f6 [ 1746.110169][ T74] [ 1746.111836][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1746.111836][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1746.111836][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1746.111836][ T74] fib6_nh_init+0xa22/0x1580 [ 1746.111836][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1746.111836][ T74] ip6_route_add+0x1c/0x140 [ 1746.111836][ T74] inet6_rtm_newroute+0x104/0x110 [ 1746.111836][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1746.111836][ T74] netlink_rcv_skb+0x130/0x360 [ 1746.111836][ T74] netlink_unicast+0x449/0x710 [ 1746.111836][ T74] netlink_sendmsg+0x723/0xbe0 [ 1746.111836][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1746.111836][ T74] ___sys_sendmsg+0xee/0x170 [ 1746.111836][ T74] __sys_sendmsg+0xcd/0x170 [ 1746.111836][ T74] do_syscall_64+0xc6/0x1e0 [ 1746.111836][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1746.111836][ T74] [ 1746.113753][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1746.113753][ T74] netdev_get_by_index+0x5e/0x80 [ 1746.113753][ T74] fib6_nh_init+0x3d8/0x1580 [ 1746.113753][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1746.113753][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1746.113753][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1746.113753][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1746.113753][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1746.113753][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1746.113753][ T74] addrconf_dad_begin+0x310/0x670 [ 1746.113753][ T74] addrconf_dad_work+0x10b/0xab0 [ 1746.113753][ T74] process_one_work+0x84d/0x18a0 [ 1746.113753][ T74] worker_thread+0x587/0xd30 [ 1746.113753][ T74] kthread+0x28a/0x350 [ 1746.113753][ T74] ret_from_fork+0x31/0x70 [ 1746.113753][ T74] ret_from_fork_asm+0x1a/0x30 [ 1746.113753][ T74] [ 1746.115685][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1746.115685][ T74] netdev_get_by_index+0x5e/0x80 [ 1746.115685][ T74] fib6_nh_init+0x3d8/0x1580 [ 1746.115685][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1746.115685][ T74] ip6_route_add+0x1c/0x140 [ 1746.115685][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1746.115685][ T74] inet6_addr_add+0x4f8/0xa40 [ 1746.115685][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1746.115685][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1746.115685][ T74] netlink_rcv_skb+0x130/0x360 [ 1746.115685][ T74] netlink_unicast+0x449/0x710 [ 1746.115685][ T74] netlink_sendmsg+0x723/0xbe0 [ 1746.115685][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1746.115685][ T74] ___sys_sendmsg+0xee/0x170 [ 1746.115685][ T74] __sys_sendmsg+0xcd/0x170 [ 1746.115685][ T74] do_syscall_64+0xc6/0x1e0 [ 1746.115685][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1746.115685][ T74] [ 1746.117710][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1746.117710][ T74] netdev_get_by_index+0x5e/0x80 [ 1746.117710][ T74] fib6_nh_init+0x3d8/0x1580 [ 1746.117710][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1746.117710][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1746.117710][ T74] ipv6_add_addr+0x411/0x2000 [ 1746.117710][ T74] inet6_addr_add+0x30e/0xa40 [ 1746.117710][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1746.117710][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1746.117710][ T74] netlink_rcv_skb+0x130/0x360 [ 1746.117710][ T74] netlink_unicast+0x449/0x710 [ 1746.117710][ T74] netlink_sendmsg+0x723/0xbe0 [ 1746.117710][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1746.117710][ T74] ___sys_sendmsg+0xee/0x170 [ 1746.117710][ T74] __sys_sendmsg+0xcd/0x170 [ 1746.117710][ T74] do_syscall_64+0xc6/0x1e0 [ 1746.117710][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1746.117710][ T74] [ 1746.119735][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1746.119735][ T74] netdev_get_by_index+0x5e/0x80 [ 1746.119735][ T74] fib6_nh_init+0x3d8/0x1580 [ 1746.119735][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1746.119735][ T74] ip6_route_add+0x1c/0x140 [ 1746.119735][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1746.119735][ T74] addrconf_add_dev+0xe2/0x170 [ 1746.119735][ T74] inet6_addr_add+0x12f/0xa40 [ 1746.119735][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1746.119735][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1746.119735][ T74] netlink_rcv_skb+0x130/0x360 [ 1746.119735][ T74] netlink_unicast+0x449/0x710 [ 1746.119735][ T74] netlink_sendmsg+0x723/0xbe0 [ 1746.119735][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1746.119735][ T74] ___sys_sendmsg+0xee/0x170 [ 1746.119735][ T74] __sys_sendmsg+0xcd/0x170 [ 1746.119735][ T74] do_syscall_64+0xc6/0x1e0 [ 1746.119735][ T74] [ 1746.121744][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1746.121744][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1746.121744][ T74] ipv6_find_idev+0x102/0x170 [ 1746.121744][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1746.121744][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1746.121744][ T74] netlink_rcv_skb+0x130/0x360 [ 1746.121744][ T74] netlink_unicast+0x449/0x710 [ 1746.121744][ T74] netlink_sendmsg+0x723/0xbe0 [ 1746.121744][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1746.121744][ T74] ___sys_sendmsg+0xee/0x170 [ 1746.121744][ T74] __sys_sendmsg+0xcd/0x170 [ 1746.121744][ T74] do_syscall_64+0xc6/0x1e0 [ 1746.121744][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1746.121744][ T74] [ 1746.123439][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1746.123439][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1746.123439][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1746.123439][ T74] ipv6_find_idev+0x102/0x170 [ 1746.123439][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1746.123439][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1746.123439][ T74] netlink_rcv_skb+0x130/0x360 [ 1746.123439][ T74] netlink_unicast+0x449/0x710 [ 1746.123439][ T74] netlink_sendmsg+0x723/0xbe0 [ 1746.123439][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1746.123439][ T74] ___sys_sendmsg+0xee/0x170 [ 1746.123439][ T74] __sys_sendmsg+0xcd/0x170 [ 1746.123439][ T74] do_syscall_64+0xc6/0x1e0 [ 1746.123439][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1746.123439][ T74] [ 1746.125440][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1746.125681][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1746.125681][ T74] netdev_get_by_index+0x5e/0x80 [ 1746.125681][ T74] fib6_nh_init+0x3d8/0x1580 [ 1746.125681][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1746.125681][ T74] ip6_route_add+0x1c/0x140 [ 1746.125681][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1746.125681][ T74] inet6_addr_add+0x4f8/0xa40 [ 1746.125681][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1746.125681][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1746.125681][ T74] netlink_rcv_skb+0x130/0x360 [ 1746.125681][ T74] netlink_unicast+0x449/0x710 [ 1746.125681][ T74] netlink_sendmsg+0x723/0xbe0 [ 1746.125681][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1746.125681][ T74] ___sys_sendmsg+0xee/0x170 [ 1746.125681][ T74] __sys_sendmsg+0xcd/0x170 [ 1746.125681][ T74] do_syscall_64+0xc6/0x1e0 [ 1746.125681][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1746.125681][ T74] [ 1746.127954][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1746.127954][ T74] netdev_get_by_index+0x5e/0x80 [ 1746.127954][ T74] fib6_nh_init+0x3d8/0x1580 [ 1746.127954][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1746.127954][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1746.127954][ T74] ipv6_add_addr+0x411/0x2000 [ 1746.127954][ T74] inet6_addr_add+0x30e/0xa40 [ 1746.127954][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1746.127954][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1746.127954][ T74] netlink_rcv_skb+0x130/0x360 [ 1746.127954][ T74] netlink_unicast+0x449/0x710 [ 1746.127954][ T74] netlink_sendmsg+0x723/0xbe0 [ 1746.127954][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1746.127954][ T74] ___sys_sendmsg+0xee/0x170 [ 1746.127954][ T74] __sys_sendmsg+0xcd/0x170 [ 1746.127954][ T74] do_syscall_64+0xc6/0x1e0 [ 1746.127954][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1746.127954][ T74] [ 1746.130227][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1746.130227][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1746.130227][ T74] ipv6_find_idev+0x102/0x170 [ 1746.130227][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1746.130227][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1746.130227][ T74] netlink_rcv_skb+0x130/0x360 [ 1746.130227][ T74] netlink_unicast+0x449/0x710 [ 1746.130227][ T74] netlink_sendmsg+0x723/0xbe0 [ 1746.130227][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1746.130227][ T74] ___sys_sendmsg+0xee/0x170 [ 1746.130227][ T74] __sys_sendmsg+0xcd/0x170 [ 1746.130227][ T74] do_syscall_64+0xc6/0x1e0 [ 1746.130227][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1746.130227][ T74] [ 1746.131909][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1746.131909][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1746.131909][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1746.131909][ T74] ipv6_find_idev+0x102/0x170 [ 1746.131909][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1746.131909][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1746.131909][ T74] netlink_rcv_skb+0x130/0x360 [ 1746.131909][ T74] netlink_unicast+0x449/0x710 [ 1746.131909][ T74] netlink_sendmsg+0x723/0xbe0 [ 1746.131909][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1746.131909][ T74] ___sys_sendmsg+0xee/0x170 [ 1746.131909][ T74] __sys_sendmsg+0xcd/0x170 [ 1746.131909][ T74] do_syscall_64+0xc6/0x1e0 [ 1746.131909][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1746.131909][ T74] [ 1756.239994][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1756.240440][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1756.240440][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1756.240440][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1756.240440][ T74] fib6_nh_init+0xa22/0x1580 [ 1756.240440][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1756.240440][ T74] ip6_route_add+0x1c/0x140 [ 1756.240440][ T74] inet6_rtm_newroute+0x104/0x110 [ 1756.240440][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1756.240440][ T74] netlink_rcv_skb+0x130/0x360 [ 1756.240440][ T74] netlink_unicast+0x449/0x710 [ 1756.240440][ T74] netlink_sendmsg+0x723/0xbe0 [ 1756.240440][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1756.240440][ T74] ___sys_sendmsg+0xee/0x170 [ 1756.240440][ T74] __sys_sendmsg+0xcd/0x170 [ 1756.240440][ T74] do_syscall_64+0xc6/0x1e0 [ 1756.240440][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1756.240440][ T74] [ 1756.242512][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1756.242512][ T74] netdev_get_by_index+0x5e/0x80 [ 1756.242512][ T74] fib6_nh_init+0x3d8/0x1580 [ 1756.242512][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1756.242512][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1756.242512][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1756.242512][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1756.242512][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1756.242512][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1756.242512][ T74] addrconf_dad_begin+0x310/0x670 [ 1756.242512][ T74] addrconf_dad_work+0x10b/0xab0 [ 1756.242512][ T74] process_one_work+0x84d/0x18a0 [ 1756.242512][ T74] worker_thread+0x587/0xd30 [ 1756.242512][ T74] kthread+0x28a/0x350 [ 1756.242512][ T74] ret_from_fork+0x31/0x70 [ 1756.242512][ T74] ret_from_fork_asm+0x1a/0x30 [ 1756.242512][ T74] [ 1756.244677][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1756.244677][ T74] netdev_get_by_index+0x5e/0x80 [ 1756.244677][ T74] fib6_nh_init+0x3d8/0x1580 [ 1756.244677][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1756.244677][ T74] ip6_route_add+0x1c/0x140 [ 1756.244677][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1756.244677][ T74] inet6_addr_add+0x4f8/0xa40 [ 1756.244677][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1756.244677][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1756.244677][ T74] netlink_rcv_skb+0x130/0x360 [ 1756.244677][ T74] netlink_unicast+0x449/0x710 [ 1756.244677][ T74] netlink_sendmsg+0x723/0xbe0 [ 1756.244677][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1756.244677][ T74] ___sys_sendmsg+0xee/0x170 [ 1756.244677][ T74] __sys_sendmsg+0xcd/0x170 [ 1756.244677][ T74] do_syscall_64+0xc6/0x1e0 [ 1756.244677][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1756.244677][ T74] [ 1756.246890][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1756.246890][ T74] netdev_get_by_index+0x5e/0x80 [ 1756.246890][ T74] fib6_nh_init+0x3d8/0x1580 [ 1756.246890][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1756.246890][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1756.246890][ T74] ipv6_add_addr+0x411/0x2000 [ 1756.246890][ T74] inet6_addr_add+0x30e/0xa40 [ 1756.246890][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1756.246890][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1756.246890][ T74] netlink_rcv_skb+0x130/0x360 [ 1756.246890][ T74] netlink_unicast+0x449/0x710 [ 1756.246890][ T74] netlink_sendmsg+0x723/0xbe0 [ 1756.246890][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1756.246890][ T74] ___sys_sendmsg+0xee/0x170 [ 1756.246890][ T74] __sys_sendmsg+0xcd/0x170 [ 1756.246890][ T74] do_syscall_64+0xc6/0x1e0 [ 1756.246890][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1756.246890][ T74] [ 1756.249145][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1756.249145][ T74] netdev_get_by_index+0x5e/0x80 [ 1756.249145][ T74] fib6_nh_init+0x3d8/0x1580 [ 1756.249145][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1756.249145][ T74] ip6_route_add+0x1c/0x140 [ 1756.249145][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1756.249145][ T74] addrconf_add_dev+0xe2/0x170 [ 1756.249145][ T74] inet6_addr_add+0x12f/0xa40 [ 1756.249145][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1756.249145][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1756.249145][ T74] netlink_rcv_skb+0x130/0x360 [ 1756.249145][ T74] netlink_unicast+0x449/0x710 [ 1756.249145][ T74] netlink_sendmsg+0x723/0xbe0 [ 1756.249145][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1756.249145][ T74] ___sys_sendmsg+0xee/0x170 [ 1756.249145][ T74] __sys_sendmsg+0xcd/0x170 [ 1756.249145][ T74] do_syscall_64+0xc6/0x1e0 [ 1756.249145][ T74] [ 1756.251403][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1756.251403][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1756.251403][ T74] ipv6_find_idev+0x102/0x170 [ 1756.251403][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1756.251403][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1756.251403][ T74] netlink_rcv_skb+0x130/0x360 [ 1756.251403][ T74] netlink_unicast+0x449/0x710 [ 1756.251403][ T74] netlink_sendmsg+0x723/0xbe0 [ 1756.251403][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1756.251403][ T74] ___sys_sendmsg+0xee/0x170 [ 1756.251403][ T74] __sys_sendmsg+0xcd/0x170 [ 1756.251403][ T74] do_syscall_64+0xc6/0x1e0 [ 1756.251403][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1756.251403][ T74] [ 1756.253116][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1756.253116][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1756.253116][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1756.253116][ T74] ipv6_find_idev+0x102/0x170 [ 1756.253116][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1756.253116][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1756.253116][ T74] netlink_rcv_skb+0x130/0x360 [ 1756.253116][ T74] netlink_unicast+0x449/0x710 [ 1756.253116][ T74] netlink_sendmsg+0x723/0xbe0 [ 1756.253116][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1756.253116][ T74] ___sys_sendmsg+0xee/0x170 [ 1756.253116][ T74] __sys_sendmsg+0xcd/0x170 [ 1756.253116][ T74] do_syscall_64+0xc6/0x1e0 [ 1756.253116][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1756.253116][ T74] [ 1756.255032][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1756.255364][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1756.255364][ T74] dst_init+0x84/0x4a0 [ 1756.255364][ T74] dst_alloc+0x97/0x150 [ 1756.255364][ T74] ip6_dst_alloc+0x23/0x90 [ 1756.255364][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1756.255364][ T74] ip6_pol_route+0x56f/0x840 [ 1756.255364][ T74] fib6_rule_lookup+0x456/0x630 [ 1756.255364][ T74] ip6_route_input+0x59c/0xa50 [ 1756.255364][ T74] ipv6_rcv+0x397/0x810 [ 1756.255364][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1756.255364][ T74] process_backlog+0x101/0x620 [ 1756.255364][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1756.255364][ T74] net_rx_action+0x495/0xbe0 [ 1756.255364][ T74] __do_softirq+0x1b5/0x7f6 [ 1756.255364][ T74] [ 1756.257095][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1756.257095][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1756.257095][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1756.257095][ T74] fib6_nh_init+0xa22/0x1580 [ 1756.257095][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1756.257095][ T74] ip6_route_add+0x1c/0x140 [ 1756.257095][ T74] inet6_rtm_newroute+0x104/0x110 [ 1756.257095][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1756.257095][ T74] netlink_rcv_skb+0x130/0x360 [ 1756.257095][ T74] netlink_unicast+0x449/0x710 [ 1756.257095][ T74] netlink_sendmsg+0x723/0xbe0 [ 1756.257095][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1756.257095][ T74] ___sys_sendmsg+0xee/0x170 [ 1756.257095][ T74] __sys_sendmsg+0xcd/0x170 [ 1756.257095][ T74] do_syscall_64+0xc6/0x1e0 [ 1756.257095][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1756.257095][ T74] [ 1756.259083][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1756.259083][ T74] netdev_get_by_index+0x5e/0x80 [ 1756.259083][ T74] fib6_nh_init+0x3d8/0x1580 [ 1756.259083][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1756.259083][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1756.259083][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1756.259083][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1756.259083][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1756.259083][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1756.259083][ T74] addrconf_dad_begin+0x310/0x670 [ 1756.259083][ T74] addrconf_dad_work+0x10b/0xab0 [ 1756.259083][ T74] process_one_work+0x84d/0x18a0 [ 1756.259083][ T74] worker_thread+0x587/0xd30 [ 1756.259083][ T74] kthread+0x28a/0x350 [ 1756.259083][ T74] ret_from_fork+0x31/0x70 [ 1756.259083][ T74] ret_from_fork_asm+0x1a/0x30 [ 1756.259083][ T74] [ 1756.261197][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1756.261197][ T74] netdev_get_by_index+0x5e/0x80 [ 1756.261197][ T74] fib6_nh_init+0x3d8/0x1580 [ 1756.261197][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1756.261197][ T74] ip6_route_add+0x1c/0x140 [ 1756.261197][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1756.261197][ T74] inet6_addr_add+0x4f8/0xa40 [ 1756.261197][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1756.261197][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1756.261197][ T74] netlink_rcv_skb+0x130/0x360 [ 1756.261197][ T74] netlink_unicast+0x449/0x710 [ 1756.261197][ T74] netlink_sendmsg+0x723/0xbe0 [ 1756.261197][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1756.261197][ T74] ___sys_sendmsg+0xee/0x170 [ 1756.261197][ T74] __sys_sendmsg+0xcd/0x170 [ 1756.261197][ T74] do_syscall_64+0xc6/0x1e0 [ 1756.261197][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1756.261197][ T74] [ 1756.263467][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1756.263467][ T74] netdev_get_by_index+0x5e/0x80 [ 1756.263467][ T74] fib6_nh_init+0x3d8/0x1580 [ 1756.263467][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1756.263467][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1756.263467][ T74] ipv6_add_addr+0x411/0x2000 [ 1756.263467][ T74] inet6_addr_add+0x30e/0xa40 [ 1756.263467][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1756.263467][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1756.263467][ T74] netlink_rcv_skb+0x130/0x360 [ 1756.263467][ T74] netlink_unicast+0x449/0x710 [ 1756.263467][ T74] netlink_sendmsg+0x723/0xbe0 [ 1756.263467][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1756.263467][ T74] ___sys_sendmsg+0xee/0x170 [ 1756.263467][ T74] __sys_sendmsg+0xcd/0x170 [ 1756.263467][ T74] do_syscall_64+0xc6/0x1e0 [ 1756.263467][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1756.263467][ T74] [ 1756.265676][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1756.265676][ T74] netdev_get_by_index+0x5e/0x80 [ 1756.265676][ T74] fib6_nh_init+0x3d8/0x1580 [ 1756.265676][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1756.265676][ T74] ip6_route_add+0x1c/0x140 [ 1756.265676][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1756.265676][ T74] addrconf_add_dev+0xe2/0x170 [ 1756.265676][ T74] inet6_addr_add+0x12f/0xa40 [ 1756.265676][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1756.265676][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1756.265676][ T74] netlink_rcv_skb+0x130/0x360 [ 1756.265676][ T74] netlink_unicast+0x449/0x710 [ 1756.265676][ T74] netlink_sendmsg+0x723/0xbe0 [ 1756.265676][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1756.265676][ T74] ___sys_sendmsg+0xee/0x170 [ 1756.265676][ T74] __sys_sendmsg+0xcd/0x170 [ 1756.265676][ T74] do_syscall_64+0xc6/0x1e0 [ 1756.265676][ T74] [ 1756.267875][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1756.267875][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1756.267875][ T74] ipv6_find_idev+0x102/0x170 [ 1756.267875][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1756.267875][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1756.267875][ T74] netlink_rcv_skb+0x130/0x360 [ 1756.267875][ T74] netlink_unicast+0x449/0x710 [ 1756.267875][ T74] netlink_sendmsg+0x723/0xbe0 [ 1756.267875][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1756.267875][ T74] ___sys_sendmsg+0xee/0x170 [ 1756.267875][ T74] __sys_sendmsg+0xcd/0x170 [ 1756.267875][ T74] do_syscall_64+0xc6/0x1e0 [ 1756.267875][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1756.267875][ T74] [ 1756.269785][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1756.269785][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1756.269785][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1756.269785][ T74] ipv6_find_idev+0x102/0x170 [ 1756.269785][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1756.269785][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1756.269785][ T74] netlink_rcv_skb+0x130/0x360 [ 1756.269785][ T74] netlink_unicast+0x449/0x710 [ 1756.269785][ T74] netlink_sendmsg+0x723/0xbe0 [ 1756.269785][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1756.269785][ T74] ___sys_sendmsg+0xee/0x170 [ 1756.269785][ T74] __sys_sendmsg+0xcd/0x170 [ 1756.269785][ T74] do_syscall_64+0xc6/0x1e0 [ 1756.269785][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1756.269785][ T74] [ 1756.272003][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1756.272351][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1756.272351][ T74] netdev_get_by_index+0x5e/0x80 [ 1756.272351][ T74] fib6_nh_init+0x3d8/0x1580 [ 1756.272351][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1756.272351][ T74] ip6_route_add+0x1c/0x140 [ 1756.272351][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1756.272351][ T74] inet6_addr_add+0x4f8/0xa40 [ 1756.272351][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1756.272351][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1756.272351][ T74] netlink_rcv_skb+0x130/0x360 [ 1756.272351][ T74] netlink_unicast+0x449/0x710 [ 1756.272351][ T74] netlink_sendmsg+0x723/0xbe0 [ 1756.272351][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1756.272351][ T74] ___sys_sendmsg+0xee/0x170 [ 1756.272351][ T74] __sys_sendmsg+0xcd/0x170 [ 1756.272351][ T74] do_syscall_64+0xc6/0x1e0 [ 1756.272351][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1756.272351][ T74] [ 1756.274715][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1756.274715][ T74] netdev_get_by_index+0x5e/0x80 [ 1756.274715][ T74] fib6_nh_init+0x3d8/0x1580 [ 1756.274715][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1756.274715][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1756.274715][ T74] ipv6_add_addr+0x411/0x2000 [ 1756.274715][ T74] inet6_addr_add+0x30e/0xa40 [ 1756.274715][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1756.274715][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1756.274715][ T74] netlink_rcv_skb+0x130/0x360 [ 1756.274715][ T74] netlink_unicast+0x449/0x710 [ 1756.274715][ T74] netlink_sendmsg+0x723/0xbe0 [ 1756.274715][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1756.274715][ T74] ___sys_sendmsg+0xee/0x170 [ 1756.274715][ T74] __sys_sendmsg+0xcd/0x170 [ 1756.274715][ T74] do_syscall_64+0xc6/0x1e0 [ 1756.274715][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1756.274715][ T74] [ 1756.277056][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1756.277056][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1756.277056][ T74] ipv6_find_idev+0x102/0x170 [ 1756.277056][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1756.277056][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1756.277056][ T74] netlink_rcv_skb+0x130/0x360 [ 1756.277056][ T74] netlink_unicast+0x449/0x710 [ 1756.277056][ T74] netlink_sendmsg+0x723/0xbe0 [ 1756.277056][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1756.277056][ T74] ___sys_sendmsg+0xee/0x170 [ 1756.277056][ T74] __sys_sendmsg+0xcd/0x170 [ 1756.277056][ T74] do_syscall_64+0xc6/0x1e0 [ 1756.277056][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1756.277056][ T74] [ 1756.278845][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1756.278845][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1756.278845][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1756.278845][ T74] ipv6_find_idev+0x102/0x170 [ 1756.278845][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1756.278845][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1756.278845][ T74] netlink_rcv_skb+0x130/0x360 [ 1756.278845][ T74] netlink_unicast+0x449/0x710 [ 1756.278845][ T74] netlink_sendmsg+0x723/0xbe0 [ 1756.278845][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1756.278845][ T74] ___sys_sendmsg+0xee/0x170 [ 1756.278845][ T74] __sys_sendmsg+0xcd/0x170 [ 1756.278845][ T74] do_syscall_64+0xc6/0x1e0 [ 1756.278845][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1756.278845][ T74] [ 1766.351902][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1766.352411][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1766.352411][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1766.352411][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1766.352411][ T74] fib6_nh_init+0xa22/0x1580 [ 1766.352411][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1766.352411][ T74] ip6_route_add+0x1c/0x140 [ 1766.352411][ T74] inet6_rtm_newroute+0x104/0x110 [ 1766.352411][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1766.352411][ T74] netlink_rcv_skb+0x130/0x360 [ 1766.352411][ T74] netlink_unicast+0x449/0x710 [ 1766.352411][ T74] netlink_sendmsg+0x723/0xbe0 [ 1766.352411][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1766.352411][ T74] ___sys_sendmsg+0xee/0x170 [ 1766.352411][ T74] __sys_sendmsg+0xcd/0x170 [ 1766.352411][ T74] do_syscall_64+0xc6/0x1e0 [ 1766.352411][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1766.352411][ T74] [ 1766.354477][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1766.354477][ T74] netdev_get_by_index+0x5e/0x80 [ 1766.354477][ T74] fib6_nh_init+0x3d8/0x1580 [ 1766.354477][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1766.354477][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1766.354477][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1766.354477][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1766.354477][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1766.354477][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1766.354477][ T74] addrconf_dad_begin+0x310/0x670 [ 1766.354477][ T74] addrconf_dad_work+0x10b/0xab0 [ 1766.354477][ T74] process_one_work+0x84d/0x18a0 [ 1766.354477][ T74] worker_thread+0x587/0xd30 [ 1766.354477][ T74] kthread+0x28a/0x350 [ 1766.354477][ T74] ret_from_fork+0x31/0x70 [ 1766.354477][ T74] ret_from_fork_asm+0x1a/0x30 [ 1766.354477][ T74] [ 1766.356456][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1766.356456][ T74] netdev_get_by_index+0x5e/0x80 [ 1766.356456][ T74] fib6_nh_init+0x3d8/0x1580 [ 1766.356456][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1766.356456][ T74] ip6_route_add+0x1c/0x140 [ 1766.356456][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1766.356456][ T74] inet6_addr_add+0x4f8/0xa40 [ 1766.356456][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1766.356456][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1766.356456][ T74] netlink_rcv_skb+0x130/0x360 [ 1766.356456][ T74] netlink_unicast+0x449/0x710 [ 1766.356456][ T74] netlink_sendmsg+0x723/0xbe0 [ 1766.356456][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1766.356456][ T74] ___sys_sendmsg+0xee/0x170 [ 1766.356456][ T74] __sys_sendmsg+0xcd/0x170 [ 1766.356456][ T74] do_syscall_64+0xc6/0x1e0 [ 1766.356456][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1766.356456][ T74] [ 1766.358538][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1766.358538][ T74] netdev_get_by_index+0x5e/0x80 [ 1766.358538][ T74] fib6_nh_init+0x3d8/0x1580 [ 1766.358538][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1766.358538][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1766.358538][ T74] ipv6_add_addr+0x411/0x2000 [ 1766.358538][ T74] inet6_addr_add+0x30e/0xa40 [ 1766.358538][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1766.358538][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1766.358538][ T74] netlink_rcv_skb+0x130/0x360 [ 1766.358538][ T74] netlink_unicast+0x449/0x710 [ 1766.358538][ T74] netlink_sendmsg+0x723/0xbe0 [ 1766.358538][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1766.358538][ T74] ___sys_sendmsg+0xee/0x170 [ 1766.358538][ T74] __sys_sendmsg+0xcd/0x170 [ 1766.358538][ T74] do_syscall_64+0xc6/0x1e0 [ 1766.358538][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1766.358538][ T74] [ 1766.360622][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1766.360622][ T74] netdev_get_by_index+0x5e/0x80 [ 1766.360622][ T74] fib6_nh_init+0x3d8/0x1580 [ 1766.360622][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1766.360622][ T74] ip6_route_add+0x1c/0x140 [ 1766.360622][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1766.360622][ T74] addrconf_add_dev+0xe2/0x170 [ 1766.360622][ T74] inet6_addr_add+0x12f/0xa40 [ 1766.360622][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1766.360622][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1766.360622][ T74] netlink_rcv_skb+0x130/0x360 [ 1766.360622][ T74] netlink_unicast+0x449/0x710 [ 1766.360622][ T74] netlink_sendmsg+0x723/0xbe0 [ 1766.360622][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1766.360622][ T74] ___sys_sendmsg+0xee/0x170 [ 1766.360622][ T74] __sys_sendmsg+0xcd/0x170 [ 1766.360622][ T74] do_syscall_64+0xc6/0x1e0 [ 1766.360622][ T74] [ 1766.362659][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1766.362659][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1766.362659][ T74] ipv6_find_idev+0x102/0x170 [ 1766.362659][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1766.362659][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1766.362659][ T74] netlink_rcv_skb+0x130/0x360 [ 1766.362659][ T74] netlink_unicast+0x449/0x710 [ 1766.362659][ T74] netlink_sendmsg+0x723/0xbe0 [ 1766.362659][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1766.362659][ T74] ___sys_sendmsg+0xee/0x170 [ 1766.362659][ T74] __sys_sendmsg+0xcd/0x170 [ 1766.362659][ T74] do_syscall_64+0xc6/0x1e0 [ 1766.362659][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1766.362659][ T74] [ 1766.364263][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1766.364263][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1766.364263][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1766.364263][ T74] ipv6_find_idev+0x102/0x170 [ 1766.364263][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1766.364263][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1766.364263][ T74] netlink_rcv_skb+0x130/0x360 [ 1766.364263][ T74] netlink_unicast+0x449/0x710 [ 1766.364263][ T74] netlink_sendmsg+0x723/0xbe0 [ 1766.364263][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1766.364263][ T74] ___sys_sendmsg+0xee/0x170 [ 1766.364263][ T74] __sys_sendmsg+0xcd/0x170 [ 1766.364263][ T74] do_syscall_64+0xc6/0x1e0 [ 1766.364263][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1766.364263][ T74] [ 1766.366049][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1766.366339][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1766.366339][ T74] dst_init+0x84/0x4a0 [ 1766.366339][ T74] dst_alloc+0x97/0x150 [ 1766.366339][ T74] ip6_dst_alloc+0x23/0x90 [ 1766.366339][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1766.366339][ T74] ip6_pol_route+0x56f/0x840 [ 1766.366339][ T74] fib6_rule_lookup+0x456/0x630 [ 1766.366339][ T74] ip6_route_input+0x59c/0xa50 [ 1766.366339][ T74] ipv6_rcv+0x397/0x810 [ 1766.366339][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1766.366339][ T74] process_backlog+0x101/0x620 [ 1766.366339][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1766.366339][ T74] net_rx_action+0x495/0xbe0 [ 1766.366339][ T74] __do_softirq+0x1b5/0x7f6 [ 1766.366339][ T74] [ 1766.368025][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1766.368025][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1766.368025][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1766.368025][ T74] fib6_nh_init+0xa22/0x1580 [ 1766.368025][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1766.368025][ T74] ip6_route_add+0x1c/0x140 [ 1766.368025][ T74] inet6_rtm_newroute+0x104/0x110 [ 1766.368025][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1766.368025][ T74] netlink_rcv_skb+0x130/0x360 [ 1766.368025][ T74] netlink_unicast+0x449/0x710 [ 1766.368025][ T74] netlink_sendmsg+0x723/0xbe0 [ 1766.368025][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1766.368025][ T74] ___sys_sendmsg+0xee/0x170 [ 1766.368025][ T74] __sys_sendmsg+0xcd/0x170 [ 1766.368025][ T74] do_syscall_64+0xc6/0x1e0 [ 1766.368025][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1766.368025][ T74] [ 1766.369987][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1766.369987][ T74] netdev_get_by_index+0x5e/0x80 [ 1766.369987][ T74] fib6_nh_init+0x3d8/0x1580 [ 1766.369987][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1766.369987][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1766.369987][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1766.369987][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1766.369987][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1766.369987][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1766.369987][ T74] addrconf_dad_begin+0x310/0x670 [ 1766.369987][ T74] addrconf_dad_work+0x10b/0xab0 [ 1766.369987][ T74] process_one_work+0x84d/0x18a0 [ 1766.369987][ T74] worker_thread+0x587/0xd30 [ 1766.369987][ T74] kthread+0x28a/0x350 [ 1766.369987][ T74] ret_from_fork+0x31/0x70 [ 1766.369987][ T74] ret_from_fork_asm+0x1a/0x30 [ 1766.369987][ T74] [ 1766.371982][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1766.371982][ T74] netdev_get_by_index+0x5e/0x80 [ 1766.371982][ T74] fib6_nh_init+0x3d8/0x1580 [ 1766.371982][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1766.371982][ T74] ip6_route_add+0x1c/0x140 [ 1766.371982][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1766.371982][ T74] inet6_addr_add+0x4f8/0xa40 [ 1766.371982][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1766.371982][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1766.371982][ T74] netlink_rcv_skb+0x130/0x360 [ 1766.371982][ T74] netlink_unicast+0x449/0x710 [ 1766.371982][ T74] netlink_sendmsg+0x723/0xbe0 [ 1766.371982][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1766.371982][ T74] ___sys_sendmsg+0xee/0x170 [ 1766.371982][ T74] __sys_sendmsg+0xcd/0x170 [ 1766.371982][ T74] do_syscall_64+0xc6/0x1e0 [ 1766.371982][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1766.371982][ T74] [ 1766.374050][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1766.374050][ T74] netdev_get_by_index+0x5e/0x80 [ 1766.374050][ T74] fib6_nh_init+0x3d8/0x1580 [ 1766.374050][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1766.374050][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1766.374050][ T74] ipv6_add_addr+0x411/0x2000 [ 1766.374050][ T74] inet6_addr_add+0x30e/0xa40 [ 1766.374050][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1766.374050][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1766.374050][ T74] netlink_rcv_skb+0x130/0x360 [ 1766.374050][ T74] netlink_unicast+0x449/0x710 [ 1766.374050][ T74] netlink_sendmsg+0x723/0xbe0 [ 1766.374050][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1766.374050][ T74] ___sys_sendmsg+0xee/0x170 [ 1766.374050][ T74] __sys_sendmsg+0xcd/0x170 [ 1766.374050][ T74] do_syscall_64+0xc6/0x1e0 [ 1766.374050][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1766.374050][ T74] [ 1766.376121][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1766.376121][ T74] netdev_get_by_index+0x5e/0x80 [ 1766.376121][ T74] fib6_nh_init+0x3d8/0x1580 [ 1766.376121][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1766.376121][ T74] ip6_route_add+0x1c/0x140 [ 1766.376121][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1766.376121][ T74] addrconf_add_dev+0xe2/0x170 [ 1766.376121][ T74] inet6_addr_add+0x12f/0xa40 [ 1766.376121][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1766.376121][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1766.376121][ T74] netlink_rcv_skb+0x130/0x360 [ 1766.376121][ T74] netlink_unicast+0x449/0x710 [ 1766.376121][ T74] netlink_sendmsg+0x723/0xbe0 [ 1766.376121][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1766.376121][ T74] ___sys_sendmsg+0xee/0x170 [ 1766.376121][ T74] __sys_sendmsg+0xcd/0x170 [ 1766.376121][ T74] do_syscall_64+0xc6/0x1e0 [ 1766.376121][ T74] [ 1766.378162][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1766.378162][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1766.378162][ T74] ipv6_find_idev+0x102/0x170 [ 1766.378162][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1766.378162][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1766.378162][ T74] netlink_rcv_skb+0x130/0x360 [ 1766.378162][ T74] netlink_unicast+0x449/0x710 [ 1766.378162][ T74] netlink_sendmsg+0x723/0xbe0 [ 1766.378162][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1766.378162][ T74] ___sys_sendmsg+0xee/0x170 [ 1766.378162][ T74] __sys_sendmsg+0xcd/0x170 [ 1766.378162][ T74] do_syscall_64+0xc6/0x1e0 [ 1766.378162][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1766.378162][ T74] [ 1766.379956][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1766.379956][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1766.379956][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1766.379956][ T74] ipv6_find_idev+0x102/0x170 [ 1766.379956][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1766.379956][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1766.379956][ T74] netlink_rcv_skb+0x130/0x360 [ 1766.379956][ T74] netlink_unicast+0x449/0x710 [ 1766.379956][ T74] netlink_sendmsg+0x723/0xbe0 [ 1766.379956][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1766.379956][ T74] ___sys_sendmsg+0xee/0x170 [ 1766.379956][ T74] __sys_sendmsg+0xcd/0x170 [ 1766.379956][ T74] do_syscall_64+0xc6/0x1e0 [ 1766.379956][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1766.379956][ T74] [ 1766.381983][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1766.382300][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1766.382300][ T74] netdev_get_by_index+0x5e/0x80 [ 1766.382300][ T74] fib6_nh_init+0x3d8/0x1580 [ 1766.382300][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1766.382300][ T74] ip6_route_add+0x1c/0x140 [ 1766.382300][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1766.382300][ T74] inet6_addr_add+0x4f8/0xa40 [ 1766.382300][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1766.382300][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1766.382300][ T74] netlink_rcv_skb+0x130/0x360 [ 1766.382300][ T74] netlink_unicast+0x449/0x710 [ 1766.382300][ T74] netlink_sendmsg+0x723/0xbe0 [ 1766.382300][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1766.382300][ T74] ___sys_sendmsg+0xee/0x170 [ 1766.382300][ T74] __sys_sendmsg+0xcd/0x170 [ 1766.382300][ T74] do_syscall_64+0xc6/0x1e0 [ 1766.382300][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1766.382300][ T74] [ 1766.384545][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1766.384545][ T74] netdev_get_by_index+0x5e/0x80 [ 1766.384545][ T74] fib6_nh_init+0x3d8/0x1580 [ 1766.384545][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1766.384545][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1766.384545][ T74] ipv6_add_addr+0x411/0x2000 [ 1766.384545][ T74] inet6_addr_add+0x30e/0xa40 [ 1766.384545][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1766.384545][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1766.384545][ T74] netlink_rcv_skb+0x130/0x360 [ 1766.384545][ T74] netlink_unicast+0x449/0x710 [ 1766.384545][ T74] netlink_sendmsg+0x723/0xbe0 [ 1766.384545][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1766.384545][ T74] ___sys_sendmsg+0xee/0x170 [ 1766.384545][ T74] __sys_sendmsg+0xcd/0x170 [ 1766.384545][ T74] do_syscall_64+0xc6/0x1e0 [ 1766.384545][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1766.384545][ T74] [ 1766.386859][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1766.386859][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1766.386859][ T74] ipv6_find_idev+0x102/0x170 [ 1766.386859][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1766.386859][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1766.386859][ T74] netlink_rcv_skb+0x130/0x360 [ 1766.386859][ T74] netlink_unicast+0x449/0x710 [ 1766.386859][ T74] netlink_sendmsg+0x723/0xbe0 [ 1766.386859][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1766.386859][ T74] ___sys_sendmsg+0xee/0x170 [ 1766.386859][ T74] __sys_sendmsg+0xcd/0x170 [ 1766.386859][ T74] do_syscall_64+0xc6/0x1e0 [ 1766.386859][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1766.386859][ T74] [ 1766.388628][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1766.388628][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1766.388628][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1766.388628][ T74] ipv6_find_idev+0x102/0x170 [ 1766.388628][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1766.388628][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1766.388628][ T74] netlink_rcv_skb+0x130/0x360 [ 1766.388628][ T74] netlink_unicast+0x449/0x710 [ 1766.388628][ T74] netlink_sendmsg+0x723/0xbe0 [ 1766.388628][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1766.388628][ T74] ___sys_sendmsg+0xee/0x170 [ 1766.388628][ T74] __sys_sendmsg+0xcd/0x170 [ 1766.388628][ T74] do_syscall_64+0xc6/0x1e0 [ 1766.388628][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1766.388628][ T74] [ 1776.615921][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1776.616414][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1776.616414][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1776.616414][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1776.616414][ T74] fib6_nh_init+0xa22/0x1580 [ 1776.616414][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1776.616414][ T74] ip6_route_add+0x1c/0x140 [ 1776.616414][ T74] inet6_rtm_newroute+0x104/0x110 [ 1776.616414][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1776.616414][ T74] netlink_rcv_skb+0x130/0x360 [ 1776.616414][ T74] netlink_unicast+0x449/0x710 [ 1776.616414][ T74] netlink_sendmsg+0x723/0xbe0 [ 1776.616414][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1776.616414][ T74] ___sys_sendmsg+0xee/0x170 [ 1776.616414][ T74] __sys_sendmsg+0xcd/0x170 [ 1776.616414][ T74] do_syscall_64+0xc6/0x1e0 [ 1776.616414][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1776.616414][ T74] [ 1776.618446][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1776.618446][ T74] netdev_get_by_index+0x5e/0x80 [ 1776.618446][ T74] fib6_nh_init+0x3d8/0x1580 [ 1776.618446][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1776.618446][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1776.618446][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1776.618446][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1776.618446][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1776.618446][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1776.618446][ T74] addrconf_dad_begin+0x310/0x670 [ 1776.618446][ T74] addrconf_dad_work+0x10b/0xab0 [ 1776.618446][ T74] process_one_work+0x84d/0x18a0 [ 1776.618446][ T74] worker_thread+0x587/0xd30 [ 1776.618446][ T74] kthread+0x28a/0x350 [ 1776.618446][ T74] ret_from_fork+0x31/0x70 [ 1776.618446][ T74] ret_from_fork_asm+0x1a/0x30 [ 1776.618446][ T74] [ 1776.620591][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1776.620591][ T74] netdev_get_by_index+0x5e/0x80 [ 1776.620591][ T74] fib6_nh_init+0x3d8/0x1580 [ 1776.620591][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1776.620591][ T74] ip6_route_add+0x1c/0x140 [ 1776.620591][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1776.620591][ T74] inet6_addr_add+0x4f8/0xa40 [ 1776.620591][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1776.620591][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1776.620591][ T74] netlink_rcv_skb+0x130/0x360 [ 1776.620591][ T74] netlink_unicast+0x449/0x710 [ 1776.620591][ T74] netlink_sendmsg+0x723/0xbe0 [ 1776.620591][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1776.620591][ T74] ___sys_sendmsg+0xee/0x170 [ 1776.620591][ T74] __sys_sendmsg+0xcd/0x170 [ 1776.620591][ T74] do_syscall_64+0xc6/0x1e0 [ 1776.620591][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1776.620591][ T74] [ 1776.622674][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1776.622674][ T74] netdev_get_by_index+0x5e/0x80 [ 1776.622674][ T74] fib6_nh_init+0x3d8/0x1580 [ 1776.622674][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1776.622674][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1776.622674][ T74] ipv6_add_addr+0x411/0x2000 [ 1776.622674][ T74] inet6_addr_add+0x30e/0xa40 [ 1776.622674][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1776.622674][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1776.622674][ T74] netlink_rcv_skb+0x130/0x360 [ 1776.622674][ T74] netlink_unicast+0x449/0x710 [ 1776.622674][ T74] netlink_sendmsg+0x723/0xbe0 [ 1776.622674][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1776.622674][ T74] ___sys_sendmsg+0xee/0x170 [ 1776.622674][ T74] __sys_sendmsg+0xcd/0x170 [ 1776.622674][ T74] do_syscall_64+0xc6/0x1e0 [ 1776.622674][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1776.622674][ T74] [ 1776.624744][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1776.624744][ T74] netdev_get_by_index+0x5e/0x80 [ 1776.624744][ T74] fib6_nh_init+0x3d8/0x1580 [ 1776.624744][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1776.624744][ T74] ip6_route_add+0x1c/0x140 [ 1776.624744][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1776.624744][ T74] addrconf_add_dev+0xe2/0x170 [ 1776.624744][ T74] inet6_addr_add+0x12f/0xa40 [ 1776.624744][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1776.624744][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1776.624744][ T74] netlink_rcv_skb+0x130/0x360 [ 1776.624744][ T74] netlink_unicast+0x449/0x710 [ 1776.624744][ T74] netlink_sendmsg+0x723/0xbe0 [ 1776.624744][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1776.624744][ T74] ___sys_sendmsg+0xee/0x170 [ 1776.624744][ T74] __sys_sendmsg+0xcd/0x170 [ 1776.624744][ T74] do_syscall_64+0xc6/0x1e0 [ 1776.624744][ T74] [ 1776.626780][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1776.626780][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1776.626780][ T74] ipv6_find_idev+0x102/0x170 [ 1776.626780][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1776.626780][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1776.626780][ T74] netlink_rcv_skb+0x130/0x360 [ 1776.626780][ T74] netlink_unicast+0x449/0x710 [ 1776.626780][ T74] netlink_sendmsg+0x723/0xbe0 [ 1776.626780][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1776.626780][ T74] ___sys_sendmsg+0xee/0x170 [ 1776.626780][ T74] __sys_sendmsg+0xcd/0x170 [ 1776.626780][ T74] do_syscall_64+0xc6/0x1e0 [ 1776.626780][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1776.626780][ T74] [ 1776.628355][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1776.628355][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1776.628355][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1776.628355][ T74] ipv6_find_idev+0x102/0x170 [ 1776.628355][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1776.628355][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1776.628355][ T74] netlink_rcv_skb+0x130/0x360 [ 1776.628355][ T74] netlink_unicast+0x449/0x710 [ 1776.628355][ T74] netlink_sendmsg+0x723/0xbe0 [ 1776.628355][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1776.628355][ T74] ___sys_sendmsg+0xee/0x170 [ 1776.628355][ T74] __sys_sendmsg+0xcd/0x170 [ 1776.628355][ T74] do_syscall_64+0xc6/0x1e0 [ 1776.628355][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1776.628355][ T74] [ 1776.631255][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1776.631744][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1776.631744][ T74] dst_init+0x84/0x4a0 [ 1776.631744][ T74] dst_alloc+0x97/0x150 [ 1776.631744][ T74] ip6_dst_alloc+0x23/0x90 [ 1776.631744][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1776.631744][ T74] ip6_pol_route+0x56f/0x840 [ 1776.631744][ T74] fib6_rule_lookup+0x456/0x630 [ 1776.631744][ T74] ip6_route_input+0x59c/0xa50 [ 1776.631744][ T74] ipv6_rcv+0x397/0x810 [ 1776.631744][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1776.631744][ T74] process_backlog+0x101/0x620 [ 1776.631744][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1776.631744][ T74] net_rx_action+0x495/0xbe0 [ 1776.631744][ T74] __do_softirq+0x1b5/0x7f6 [ 1776.631744][ T74] [ 1776.634510][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1776.634510][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1776.634510][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1776.634510][ T74] fib6_nh_init+0xa22/0x1580 [ 1776.634510][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1776.634510][ T74] ip6_route_add+0x1c/0x140 [ 1776.634510][ T74] inet6_rtm_newroute+0x104/0x110 [ 1776.634510][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1776.634510][ T74] netlink_rcv_skb+0x130/0x360 [ 1776.634510][ T74] netlink_unicast+0x449/0x710 [ 1776.634510][ T74] netlink_sendmsg+0x723/0xbe0 [ 1776.634510][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1776.634510][ T74] ___sys_sendmsg+0xee/0x170 [ 1776.634510][ T74] __sys_sendmsg+0xcd/0x170 [ 1776.634510][ T74] do_syscall_64+0xc6/0x1e0 [ 1776.634510][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1776.634510][ T74] [ 1776.637608][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1776.637608][ T74] netdev_get_by_index+0x5e/0x80 [ 1776.637608][ T74] fib6_nh_init+0x3d8/0x1580 [ 1776.637608][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1776.637608][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1776.637608][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1776.637608][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1776.637608][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1776.637608][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1776.637608][ T74] addrconf_dad_begin+0x310/0x670 [ 1776.637608][ T74] addrconf_dad_work+0x10b/0xab0 [ 1776.637608][ T74] process_one_work+0x84d/0x18a0 [ 1776.637608][ T74] worker_thread+0x587/0xd30 [ 1776.637608][ T74] kthread+0x28a/0x350 [ 1776.637608][ T74] ret_from_fork+0x31/0x70 [ 1776.637608][ T74] ret_from_fork_asm+0x1a/0x30 [ 1776.637608][ T74] [ 1776.641048][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1776.641048][ T74] netdev_get_by_index+0x5e/0x80 [ 1776.641048][ T74] fib6_nh_init+0x3d8/0x1580 [ 1776.641048][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1776.641048][ T74] ip6_route_add+0x1c/0x140 [ 1776.641048][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1776.641048][ T74] inet6_addr_add+0x4f8/0xa40 [ 1776.641048][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1776.641048][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1776.641048][ T74] netlink_rcv_skb+0x130/0x360 [ 1776.641048][ T74] netlink_unicast+0x449/0x710 [ 1776.641048][ T74] netlink_sendmsg+0x723/0xbe0 [ 1776.641048][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1776.641048][ T74] ___sys_sendmsg+0xee/0x170 [ 1776.641048][ T74] __sys_sendmsg+0xcd/0x170 [ 1776.641048][ T74] do_syscall_64+0xc6/0x1e0 [ 1776.641048][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1776.641048][ T74] [ 1776.644324][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1776.644324][ T74] netdev_get_by_index+0x5e/0x80 [ 1776.644324][ T74] fib6_nh_init+0x3d8/0x1580 [ 1776.644324][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1776.644324][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1776.644324][ T74] ipv6_add_addr+0x411/0x2000 [ 1776.644324][ T74] inet6_addr_add+0x30e/0xa40 [ 1776.644324][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1776.644324][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1776.644324][ T74] netlink_rcv_skb+0x130/0x360 [ 1776.644324][ T74] netlink_unicast+0x449/0x710 [ 1776.644324][ T74] netlink_sendmsg+0x723/0xbe0 [ 1776.644324][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1776.644324][ T74] ___sys_sendmsg+0xee/0x170 [ 1776.644324][ T74] __sys_sendmsg+0xcd/0x170 [ 1776.644324][ T74] do_syscall_64+0xc6/0x1e0 [ 1776.644324][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1776.644324][ T74] [ 1776.647621][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1776.647621][ T74] netdev_get_by_index+0x5e/0x80 [ 1776.647621][ T74] fib6_nh_init+0x3d8/0x1580 [ 1776.647621][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1776.647621][ T74] ip6_route_add+0x1c/0x140 [ 1776.647621][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1776.647621][ T74] addrconf_add_dev+0xe2/0x170 [ 1776.647621][ T74] inet6_addr_add+0x12f/0xa40 [ 1776.647621][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1776.647621][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1776.647621][ T74] netlink_rcv_skb+0x130/0x360 [ 1776.647621][ T74] netlink_unicast+0x449/0x710 [ 1776.647621][ T74] netlink_sendmsg+0x723/0xbe0 [ 1776.647621][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1776.647621][ T74] ___sys_sendmsg+0xee/0x170 [ 1776.647621][ T74] __sys_sendmsg+0xcd/0x170 [ 1776.647621][ T74] do_syscall_64+0xc6/0x1e0 [ 1776.647621][ T74] [ 1776.650860][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1776.650860][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1776.650860][ T74] ipv6_find_idev+0x102/0x170 [ 1776.650860][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1776.650860][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1776.650860][ T74] netlink_rcv_skb+0x130/0x360 [ 1776.650860][ T74] netlink_unicast+0x449/0x710 [ 1776.650860][ T74] netlink_sendmsg+0x723/0xbe0 [ 1776.650860][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1776.650860][ T74] ___sys_sendmsg+0xee/0x170 [ 1776.650860][ T74] __sys_sendmsg+0xcd/0x170 [ 1776.650860][ T74] do_syscall_64+0xc6/0x1e0 [ 1776.650860][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1776.650860][ T74] [ 1776.653649][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1776.653649][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1776.653649][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1776.653649][ T74] ipv6_find_idev+0x102/0x170 [ 1776.653649][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1776.653649][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1776.653649][ T74] netlink_rcv_skb+0x130/0x360 [ 1776.653649][ T74] netlink_unicast+0x449/0x710 [ 1776.653649][ T74] netlink_sendmsg+0x723/0xbe0 [ 1776.653649][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1776.653649][ T74] ___sys_sendmsg+0xee/0x170 [ 1776.653649][ T74] __sys_sendmsg+0xcd/0x170 [ 1776.653649][ T74] do_syscall_64+0xc6/0x1e0 [ 1776.653649][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1776.653649][ T74] [ 1776.656719][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1776.657163][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1776.657163][ T74] netdev_get_by_index+0x5e/0x80 [ 1776.657163][ T74] fib6_nh_init+0x3d8/0x1580 [ 1776.657163][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1776.657163][ T74] ip6_route_add+0x1c/0x140 [ 1776.657163][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1776.657163][ T74] inet6_addr_add+0x4f8/0xa40 [ 1776.657163][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1776.657163][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1776.657163][ T74] netlink_rcv_skb+0x130/0x360 [ 1776.657163][ T74] netlink_unicast+0x449/0x710 [ 1776.657163][ T74] netlink_sendmsg+0x723/0xbe0 [ 1776.657163][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1776.657163][ T74] ___sys_sendmsg+0xee/0x170 [ 1776.657163][ T74] __sys_sendmsg+0xcd/0x170 [ 1776.657163][ T74] do_syscall_64+0xc6/0x1e0 [ 1776.657163][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1776.657163][ T74] [ 1776.660647][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1776.660647][ T74] netdev_get_by_index+0x5e/0x80 [ 1776.660647][ T74] fib6_nh_init+0x3d8/0x1580 [ 1776.660647][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1776.660647][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1776.660647][ T74] ipv6_add_addr+0x411/0x2000 [ 1776.660647][ T74] inet6_addr_add+0x30e/0xa40 [ 1776.660647][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1776.660647][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1776.660647][ T74] netlink_rcv_skb+0x130/0x360 [ 1776.660647][ T74] netlink_unicast+0x449/0x710 [ 1776.660647][ T74] netlink_sendmsg+0x723/0xbe0 [ 1776.660647][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1776.660647][ T74] ___sys_sendmsg+0xee/0x170 [ 1776.660647][ T74] __sys_sendmsg+0xcd/0x170 [ 1776.660647][ T74] do_syscall_64+0xc6/0x1e0 [ 1776.660647][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1776.660647][ T74] [ 1776.664031][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1776.664031][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1776.664031][ T74] ipv6_find_idev+0x102/0x170 [ 1776.664031][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1776.664031][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1776.664031][ T74] netlink_rcv_skb+0x130/0x360 [ 1776.664031][ T74] netlink_unicast+0x449/0x710 [ 1776.664031][ T74] netlink_sendmsg+0x723/0xbe0 [ 1776.664031][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1776.664031][ T74] ___sys_sendmsg+0xee/0x170 [ 1776.664031][ T74] __sys_sendmsg+0xcd/0x170 [ 1776.664031][ T74] do_syscall_64+0xc6/0x1e0 [ 1776.664031][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1776.664031][ T74] [ 1776.666687][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1776.666687][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1776.666687][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1776.666687][ T74] ipv6_find_idev+0x102/0x170 [ 1776.666687][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1776.666687][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1776.666687][ T74] netlink_rcv_skb+0x130/0x360 [ 1776.666687][ T74] netlink_unicast+0x449/0x710 [ 1776.666687][ T74] netlink_sendmsg+0x723/0xbe0 [ 1776.666687][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1776.666687][ T74] ___sys_sendmsg+0xee/0x170 [ 1776.666687][ T74] __sys_sendmsg+0xcd/0x170 [ 1776.666687][ T74] do_syscall_64+0xc6/0x1e0 [ 1776.666687][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1776.666687][ T74] [ 1786.680881][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1786.681306][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1786.681306][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1786.681306][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1786.681306][ T74] fib6_nh_init+0xa22/0x1580 [ 1786.681306][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1786.681306][ T74] ip6_route_add+0x1c/0x140 [ 1786.681306][ T74] inet6_rtm_newroute+0x104/0x110 [ 1786.681306][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1786.681306][ T74] netlink_rcv_skb+0x130/0x360 [ 1786.681306][ T74] netlink_unicast+0x449/0x710 [ 1786.681306][ T74] netlink_sendmsg+0x723/0xbe0 [ 1786.681306][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1786.681306][ T74] ___sys_sendmsg+0xee/0x170 [ 1786.681306][ T74] __sys_sendmsg+0xcd/0x170 [ 1786.681306][ T74] do_syscall_64+0xc6/0x1e0 [ 1786.681306][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1786.681306][ T74] [ 1786.683463][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1786.683463][ T74] netdev_get_by_index+0x5e/0x80 [ 1786.683463][ T74] fib6_nh_init+0x3d8/0x1580 [ 1786.683463][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1786.683463][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1786.683463][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1786.683463][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1786.683463][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1786.683463][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1786.683463][ T74] addrconf_dad_begin+0x310/0x670 [ 1786.683463][ T74] addrconf_dad_work+0x10b/0xab0 [ 1786.683463][ T74] process_one_work+0x84d/0x18a0 [ 1786.683463][ T74] worker_thread+0x587/0xd30 [ 1786.683463][ T74] kthread+0x28a/0x350 [ 1786.683463][ T74] ret_from_fork+0x31/0x70 [ 1786.683463][ T74] ret_from_fork_asm+0x1a/0x30 [ 1786.683463][ T74] [ 1786.685484][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1786.685484][ T74] netdev_get_by_index+0x5e/0x80 [ 1786.685484][ T74] fib6_nh_init+0x3d8/0x1580 [ 1786.685484][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1786.685484][ T74] ip6_route_add+0x1c/0x140 [ 1786.685484][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1786.685484][ T74] inet6_addr_add+0x4f8/0xa40 [ 1786.685484][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1786.685484][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1786.685484][ T74] netlink_rcv_skb+0x130/0x360 [ 1786.685484][ T74] netlink_unicast+0x449/0x710 [ 1786.685484][ T74] netlink_sendmsg+0x723/0xbe0 [ 1786.685484][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1786.685484][ T74] ___sys_sendmsg+0xee/0x170 [ 1786.685484][ T74] __sys_sendmsg+0xcd/0x170 [ 1786.685484][ T74] do_syscall_64+0xc6/0x1e0 [ 1786.685484][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1786.685484][ T74] [ 1786.687569][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1786.687569][ T74] netdev_get_by_index+0x5e/0x80 [ 1786.687569][ T74] fib6_nh_init+0x3d8/0x1580 [ 1786.687569][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1786.687569][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1786.687569][ T74] ipv6_add_addr+0x411/0x2000 [ 1786.687569][ T74] inet6_addr_add+0x30e/0xa40 [ 1786.687569][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1786.687569][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1786.687569][ T74] netlink_rcv_skb+0x130/0x360 [ 1786.687569][ T74] netlink_unicast+0x449/0x710 [ 1786.687569][ T74] netlink_sendmsg+0x723/0xbe0 [ 1786.687569][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1786.687569][ T74] ___sys_sendmsg+0xee/0x170 [ 1786.687569][ T74] __sys_sendmsg+0xcd/0x170 [ 1786.687569][ T74] do_syscall_64+0xc6/0x1e0 [ 1786.687569][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1786.687569][ T74] [ 1786.689627][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1786.689627][ T74] netdev_get_by_index+0x5e/0x80 [ 1786.689627][ T74] fib6_nh_init+0x3d8/0x1580 [ 1786.689627][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1786.689627][ T74] ip6_route_add+0x1c/0x140 [ 1786.689627][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1786.689627][ T74] addrconf_add_dev+0xe2/0x170 [ 1786.689627][ T74] inet6_addr_add+0x12f/0xa40 [ 1786.689627][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1786.689627][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1786.689627][ T74] netlink_rcv_skb+0x130/0x360 [ 1786.689627][ T74] netlink_unicast+0x449/0x710 [ 1786.689627][ T74] netlink_sendmsg+0x723/0xbe0 [ 1786.689627][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1786.689627][ T74] ___sys_sendmsg+0xee/0x170 [ 1786.689627][ T74] __sys_sendmsg+0xcd/0x170 [ 1786.689627][ T74] do_syscall_64+0xc6/0x1e0 [ 1786.689627][ T74] [ 1786.691663][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1786.691663][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1786.691663][ T74] ipv6_find_idev+0x102/0x170 [ 1786.691663][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1786.691663][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1786.691663][ T74] netlink_rcv_skb+0x130/0x360 [ 1786.691663][ T74] netlink_unicast+0x449/0x710 [ 1786.691663][ T74] netlink_sendmsg+0x723/0xbe0 [ 1786.691663][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1786.691663][ T74] ___sys_sendmsg+0xee/0x170 [ 1786.691663][ T74] __sys_sendmsg+0xcd/0x170 [ 1786.691663][ T74] do_syscall_64+0xc6/0x1e0 [ 1786.691663][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1786.691663][ T74] [ 1786.693245][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1786.693245][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1786.693245][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1786.693245][ T74] ipv6_find_idev+0x102/0x170 [ 1786.693245][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1786.693245][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1786.693245][ T74] netlink_rcv_skb+0x130/0x360 [ 1786.693245][ T74] netlink_unicast+0x449/0x710 [ 1786.693245][ T74] netlink_sendmsg+0x723/0xbe0 [ 1786.693245][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1786.693245][ T74] ___sys_sendmsg+0xee/0x170 [ 1786.693245][ T74] __sys_sendmsg+0xcd/0x170 [ 1786.693245][ T74] do_syscall_64+0xc6/0x1e0 [ 1786.693245][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1786.693245][ T74] [ 1786.695016][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1786.695306][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1786.695306][ T74] dst_init+0x84/0x4a0 [ 1786.695306][ T74] dst_alloc+0x97/0x150 [ 1786.695306][ T74] ip6_dst_alloc+0x23/0x90 [ 1786.695306][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1786.695306][ T74] ip6_pol_route+0x56f/0x840 [ 1786.695306][ T74] fib6_rule_lookup+0x456/0x630 [ 1786.695306][ T74] ip6_route_input+0x59c/0xa50 [ 1786.695306][ T74] ipv6_rcv+0x397/0x810 [ 1786.695306][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1786.695306][ T74] process_backlog+0x101/0x620 [ 1786.695306][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1786.695306][ T74] net_rx_action+0x495/0xbe0 [ 1786.695306][ T74] __do_softirq+0x1b5/0x7f6 [ 1786.695306][ T74] [ 1786.697000][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1786.697000][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1786.697000][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1786.697000][ T74] fib6_nh_init+0xa22/0x1580 [ 1786.697000][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1786.697000][ T74] ip6_route_add+0x1c/0x140 [ 1786.697000][ T74] inet6_rtm_newroute+0x104/0x110 [ 1786.697000][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1786.697000][ T74] netlink_rcv_skb+0x130/0x360 [ 1786.697000][ T74] netlink_unicast+0x449/0x710 [ 1786.697000][ T74] netlink_sendmsg+0x723/0xbe0 [ 1786.697000][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1786.697000][ T74] ___sys_sendmsg+0xee/0x170 [ 1786.697000][ T74] __sys_sendmsg+0xcd/0x170 [ 1786.697000][ T74] do_syscall_64+0xc6/0x1e0 [ 1786.697000][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1786.697000][ T74] [ 1786.698950][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1786.698950][ T74] netdev_get_by_index+0x5e/0x80 [ 1786.698950][ T74] fib6_nh_init+0x3d8/0x1580 [ 1786.698950][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1786.698950][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1786.698950][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1786.698950][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1786.698950][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1786.698950][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1786.698950][ T74] addrconf_dad_begin+0x310/0x670 [ 1786.698950][ T74] addrconf_dad_work+0x10b/0xab0 [ 1786.698950][ T74] process_one_work+0x84d/0x18a0 [ 1786.698950][ T74] worker_thread+0x587/0xd30 [ 1786.698950][ T74] kthread+0x28a/0x350 [ 1786.698950][ T74] ret_from_fork+0x31/0x70 [ 1786.698950][ T74] ret_from_fork_asm+0x1a/0x30 [ 1786.698950][ T74] [ 1786.700959][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1786.700959][ T74] netdev_get_by_index+0x5e/0x80 [ 1786.700959][ T74] fib6_nh_init+0x3d8/0x1580 [ 1786.700959][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1786.700959][ T74] ip6_route_add+0x1c/0x140 [ 1786.700959][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1786.700959][ T74] inet6_addr_add+0x4f8/0xa40 [ 1786.700959][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1786.700959][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1786.700959][ T74] netlink_rcv_skb+0x130/0x360 [ 1786.700959][ T74] netlink_unicast+0x449/0x710 [ 1786.700959][ T74] netlink_sendmsg+0x723/0xbe0 [ 1786.700959][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1786.700959][ T74] ___sys_sendmsg+0xee/0x170 [ 1786.700959][ T74] __sys_sendmsg+0xcd/0x170 [ 1786.700959][ T74] do_syscall_64+0xc6/0x1e0 [ 1786.700959][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1786.700959][ T74] [ 1786.703031][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1786.703031][ T74] netdev_get_by_index+0x5e/0x80 [ 1786.703031][ T74] fib6_nh_init+0x3d8/0x1580 [ 1786.703031][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1786.703031][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1786.703031][ T74] ipv6_add_addr+0x411/0x2000 [ 1786.703031][ T74] inet6_addr_add+0x30e/0xa40 [ 1786.703031][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1786.703031][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1786.703031][ T74] netlink_rcv_skb+0x130/0x360 [ 1786.703031][ T74] netlink_unicast+0x449/0x710 [ 1786.703031][ T74] netlink_sendmsg+0x723/0xbe0 [ 1786.703031][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1786.703031][ T74] ___sys_sendmsg+0xee/0x170 [ 1786.703031][ T74] __sys_sendmsg+0xcd/0x170 [ 1786.703031][ T74] do_syscall_64+0xc6/0x1e0 [ 1786.703031][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1786.703031][ T74] [ 1786.705097][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1786.705097][ T74] netdev_get_by_index+0x5e/0x80 [ 1786.705097][ T74] fib6_nh_init+0x3d8/0x1580 [ 1786.705097][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1786.705097][ T74] ip6_route_add+0x1c/0x140 [ 1786.705097][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1786.705097][ T74] addrconf_add_dev+0xe2/0x170 [ 1786.705097][ T74] inet6_addr_add+0x12f/0xa40 [ 1786.705097][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1786.705097][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1786.705097][ T74] netlink_rcv_skb+0x130/0x360 [ 1786.705097][ T74] netlink_unicast+0x449/0x710 [ 1786.705097][ T74] netlink_sendmsg+0x723/0xbe0 [ 1786.705097][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1786.705097][ T74] ___sys_sendmsg+0xee/0x170 [ 1786.705097][ T74] __sys_sendmsg+0xcd/0x170 [ 1786.705097][ T74] do_syscall_64+0xc6/0x1e0 [ 1786.705097][ T74] [ 1786.707112][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1786.707112][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1786.707112][ T74] ipv6_find_idev+0x102/0x170 [ 1786.707112][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1786.707112][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1786.707112][ T74] netlink_rcv_skb+0x130/0x360 [ 1786.707112][ T74] netlink_unicast+0x449/0x710 [ 1786.707112][ T74] netlink_sendmsg+0x723/0xbe0 [ 1786.707112][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1786.707112][ T74] ___sys_sendmsg+0xee/0x170 [ 1786.707112][ T74] __sys_sendmsg+0xcd/0x170 [ 1786.707112][ T74] do_syscall_64+0xc6/0x1e0 [ 1786.707112][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1786.707112][ T74] [ 1786.708888][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1786.708888][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1786.708888][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1786.708888][ T74] ipv6_find_idev+0x102/0x170 [ 1786.708888][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1786.708888][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1786.708888][ T74] netlink_rcv_skb+0x130/0x360 [ 1786.708888][ T74] netlink_unicast+0x449/0x710 [ 1786.708888][ T74] netlink_sendmsg+0x723/0xbe0 [ 1786.708888][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1786.708888][ T74] ___sys_sendmsg+0xee/0x170 [ 1786.708888][ T74] __sys_sendmsg+0xcd/0x170 [ 1786.708888][ T74] do_syscall_64+0xc6/0x1e0 [ 1786.708888][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1786.708888][ T74] [ 1786.710839][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1786.711190][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1786.711190][ T74] netdev_get_by_index+0x5e/0x80 [ 1786.711190][ T74] fib6_nh_init+0x3d8/0x1580 [ 1786.711190][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1786.711190][ T74] ip6_route_add+0x1c/0x140 [ 1786.711190][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1786.711190][ T74] inet6_addr_add+0x4f8/0xa40 [ 1786.711190][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1786.711190][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1786.711190][ T74] netlink_rcv_skb+0x130/0x360 [ 1786.711190][ T74] netlink_unicast+0x449/0x710 [ 1786.711190][ T74] netlink_sendmsg+0x723/0xbe0 [ 1786.711190][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1786.711190][ T74] ___sys_sendmsg+0xee/0x170 [ 1786.711190][ T74] __sys_sendmsg+0xcd/0x170 [ 1786.711190][ T74] do_syscall_64+0xc6/0x1e0 [ 1786.711190][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1786.711190][ T74] [ 1786.713488][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1786.713488][ T74] netdev_get_by_index+0x5e/0x80 [ 1786.713488][ T74] fib6_nh_init+0x3d8/0x1580 [ 1786.713488][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1786.713488][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1786.713488][ T74] ipv6_add_addr+0x411/0x2000 [ 1786.713488][ T74] inet6_addr_add+0x30e/0xa40 [ 1786.713488][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1786.713488][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1786.713488][ T74] netlink_rcv_skb+0x130/0x360 [ 1786.713488][ T74] netlink_unicast+0x449/0x710 [ 1786.713488][ T74] netlink_sendmsg+0x723/0xbe0 [ 1786.713488][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1786.713488][ T74] ___sys_sendmsg+0xee/0x170 [ 1786.713488][ T74] __sys_sendmsg+0xcd/0x170 [ 1786.713488][ T74] do_syscall_64+0xc6/0x1e0 [ 1786.713488][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1786.713488][ T74] [ 1786.715785][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1786.715785][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1786.715785][ T74] ipv6_find_idev+0x102/0x170 [ 1786.715785][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1786.715785][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1786.715785][ T74] netlink_rcv_skb+0x130/0x360 [ 1786.715785][ T74] netlink_unicast+0x449/0x710 [ 1786.715785][ T74] netlink_sendmsg+0x723/0xbe0 [ 1786.715785][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1786.715785][ T74] ___sys_sendmsg+0xee/0x170 [ 1786.715785][ T74] __sys_sendmsg+0xcd/0x170 [ 1786.715785][ T74] do_syscall_64+0xc6/0x1e0 [ 1786.715785][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1786.715785][ T74] [ 1786.717552][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1786.717552][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1786.717552][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1786.717552][ T74] ipv6_find_idev+0x102/0x170 [ 1786.717552][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1786.717552][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1786.717552][ T74] netlink_rcv_skb+0x130/0x360 [ 1786.717552][ T74] netlink_unicast+0x449/0x710 [ 1786.717552][ T74] netlink_sendmsg+0x723/0xbe0 [ 1786.717552][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1786.717552][ T74] ___sys_sendmsg+0xee/0x170 [ 1786.717552][ T74] __sys_sendmsg+0xcd/0x170 [ 1786.717552][ T74] do_syscall_64+0xc6/0x1e0 [ 1786.717552][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1786.717552][ T74] [ 1796.863959][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1796.864403][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1796.864403][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1796.864403][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1796.864403][ T74] fib6_nh_init+0xa22/0x1580 [ 1796.864403][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1796.864403][ T74] ip6_route_add+0x1c/0x140 [ 1796.864403][ T74] inet6_rtm_newroute+0x104/0x110 [ 1796.864403][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1796.864403][ T74] netlink_rcv_skb+0x130/0x360 [ 1796.864403][ T74] netlink_unicast+0x449/0x710 [ 1796.864403][ T74] netlink_sendmsg+0x723/0xbe0 [ 1796.864403][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1796.864403][ T74] ___sys_sendmsg+0xee/0x170 [ 1796.864403][ T74] __sys_sendmsg+0xcd/0x170 [ 1796.864403][ T74] do_syscall_64+0xc6/0x1e0 [ 1796.864403][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1796.864403][ T74] [ 1796.866353][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1796.866353][ T74] netdev_get_by_index+0x5e/0x80 [ 1796.866353][ T74] fib6_nh_init+0x3d8/0x1580 [ 1796.866353][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1796.866353][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1796.866353][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1796.866353][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1796.866353][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1796.866353][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1796.866353][ T74] addrconf_dad_begin+0x310/0x670 [ 1796.866353][ T74] addrconf_dad_work+0x10b/0xab0 [ 1796.866353][ T74] process_one_work+0x84d/0x18a0 [ 1796.866353][ T74] worker_thread+0x587/0xd30 [ 1796.866353][ T74] kthread+0x28a/0x350 [ 1796.866353][ T74] ret_from_fork+0x31/0x70 [ 1796.866353][ T74] ret_from_fork_asm+0x1a/0x30 [ 1796.866353][ T74] [ 1796.868281][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1796.868281][ T74] netdev_get_by_index+0x5e/0x80 [ 1796.868281][ T74] fib6_nh_init+0x3d8/0x1580 [ 1796.868281][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1796.868281][ T74] ip6_route_add+0x1c/0x140 [ 1796.868281][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1796.868281][ T74] inet6_addr_add+0x4f8/0xa40 [ 1796.868281][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1796.868281][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1796.868281][ T74] netlink_rcv_skb+0x130/0x360 [ 1796.868281][ T74] netlink_unicast+0x449/0x710 [ 1796.868281][ T74] netlink_sendmsg+0x723/0xbe0 [ 1796.868281][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1796.868281][ T74] ___sys_sendmsg+0xee/0x170 [ 1796.868281][ T74] __sys_sendmsg+0xcd/0x170 [ 1796.868281][ T74] do_syscall_64+0xc6/0x1e0 [ 1796.868281][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1796.868281][ T74] [ 1796.870290][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1796.870290][ T74] netdev_get_by_index+0x5e/0x80 [ 1796.870290][ T74] fib6_nh_init+0x3d8/0x1580 [ 1796.870290][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1796.870290][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1796.870290][ T74] ipv6_add_addr+0x411/0x2000 [ 1796.870290][ T74] inet6_addr_add+0x30e/0xa40 [ 1796.870290][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1796.870290][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1796.870290][ T74] netlink_rcv_skb+0x130/0x360 [ 1796.870290][ T74] netlink_unicast+0x449/0x710 [ 1796.870290][ T74] netlink_sendmsg+0x723/0xbe0 [ 1796.870290][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1796.870290][ T74] ___sys_sendmsg+0xee/0x170 [ 1796.870290][ T74] __sys_sendmsg+0xcd/0x170 [ 1796.870290][ T74] do_syscall_64+0xc6/0x1e0 [ 1796.870290][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1796.870290][ T74] [ 1796.872296][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1796.872296][ T74] netdev_get_by_index+0x5e/0x80 [ 1796.872296][ T74] fib6_nh_init+0x3d8/0x1580 [ 1796.872296][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1796.872296][ T74] ip6_route_add+0x1c/0x140 [ 1796.872296][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1796.872296][ T74] addrconf_add_dev+0xe2/0x170 [ 1796.872296][ T74] inet6_addr_add+0x12f/0xa40 [ 1796.872296][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1796.872296][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1796.872296][ T74] netlink_rcv_skb+0x130/0x360 [ 1796.872296][ T74] netlink_unicast+0x449/0x710 [ 1796.872296][ T74] netlink_sendmsg+0x723/0xbe0 [ 1796.872296][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1796.872296][ T74] ___sys_sendmsg+0xee/0x170 [ 1796.872296][ T74] __sys_sendmsg+0xcd/0x170 [ 1796.872296][ T74] do_syscall_64+0xc6/0x1e0 [ 1796.872296][ T74] [ 1796.874270][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1796.874270][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1796.874270][ T74] ipv6_find_idev+0x102/0x170 [ 1796.874270][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1796.874270][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1796.874270][ T74] netlink_rcv_skb+0x130/0x360 [ 1796.874270][ T74] netlink_unicast+0x449/0x710 [ 1796.874270][ T74] netlink_sendmsg+0x723/0xbe0 [ 1796.874270][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1796.874270][ T74] ___sys_sendmsg+0xee/0x170 [ 1796.874270][ T74] __sys_sendmsg+0xcd/0x170 [ 1796.874270][ T74] do_syscall_64+0xc6/0x1e0 [ 1796.874270][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1796.874270][ T74] [ 1796.875809][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1796.875809][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1796.875809][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1796.875809][ T74] ipv6_find_idev+0x102/0x170 [ 1796.875809][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1796.875809][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1796.875809][ T74] netlink_rcv_skb+0x130/0x360 [ 1796.875809][ T74] netlink_unicast+0x449/0x710 [ 1796.875809][ T74] netlink_sendmsg+0x723/0xbe0 [ 1796.875809][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1796.875809][ T74] ___sys_sendmsg+0xee/0x170 [ 1796.875809][ T74] __sys_sendmsg+0xcd/0x170 [ 1796.875809][ T74] do_syscall_64+0xc6/0x1e0 [ 1796.875809][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1796.875809][ T74] [ 1796.877504][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1796.877787][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1796.877787][ T74] dst_init+0x84/0x4a0 [ 1796.877787][ T74] dst_alloc+0x97/0x150 [ 1796.877787][ T74] ip6_dst_alloc+0x23/0x90 [ 1796.877787][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1796.877787][ T74] ip6_pol_route+0x56f/0x840 [ 1796.877787][ T74] fib6_rule_lookup+0x456/0x630 [ 1796.877787][ T74] ip6_route_input+0x59c/0xa50 [ 1796.877787][ T74] ipv6_rcv+0x397/0x810 [ 1796.877787][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1796.877787][ T74] process_backlog+0x101/0x620 [ 1796.877787][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1796.877787][ T74] net_rx_action+0x495/0xbe0 [ 1796.877787][ T74] __do_softirq+0x1b5/0x7f6 [ 1796.877787][ T74] [ 1796.879426][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1796.879426][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1796.879426][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1796.879426][ T74] fib6_nh_init+0xa22/0x1580 [ 1796.879426][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1796.879426][ T74] ip6_route_add+0x1c/0x140 [ 1796.879426][ T74] inet6_rtm_newroute+0x104/0x110 [ 1796.879426][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1796.879426][ T74] netlink_rcv_skb+0x130/0x360 [ 1796.879426][ T74] netlink_unicast+0x449/0x710 [ 1796.879426][ T74] netlink_sendmsg+0x723/0xbe0 [ 1796.879426][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1796.879426][ T74] ___sys_sendmsg+0xee/0x170 [ 1796.879426][ T74] __sys_sendmsg+0xcd/0x170 [ 1796.879426][ T74] do_syscall_64+0xc6/0x1e0 [ 1796.879426][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1796.879426][ T74] [ 1796.881360][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1796.881360][ T74] netdev_get_by_index+0x5e/0x80 [ 1796.881360][ T74] fib6_nh_init+0x3d8/0x1580 [ 1796.881360][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1796.881360][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1796.881360][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1796.881360][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1796.881360][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1796.881360][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1796.881360][ T74] addrconf_dad_begin+0x310/0x670 [ 1796.881360][ T74] addrconf_dad_work+0x10b/0xab0 [ 1796.881360][ T74] process_one_work+0x84d/0x18a0 [ 1796.881360][ T74] worker_thread+0x587/0xd30 [ 1796.881360][ T74] kthread+0x28a/0x350 [ 1796.881360][ T74] ret_from_fork+0x31/0x70 [ 1796.881360][ T74] ret_from_fork_asm+0x1a/0x30 [ 1796.881360][ T74] [ 1796.883319][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1796.883319][ T74] netdev_get_by_index+0x5e/0x80 [ 1796.883319][ T74] fib6_nh_init+0x3d8/0x1580 [ 1796.883319][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1796.883319][ T74] ip6_route_add+0x1c/0x140 [ 1796.883319][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1796.883319][ T74] inet6_addr_add+0x4f8/0xa40 [ 1796.883319][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1796.883319][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1796.883319][ T74] netlink_rcv_skb+0x130/0x360 [ 1796.883319][ T74] netlink_unicast+0x449/0x710 [ 1796.883319][ T74] netlink_sendmsg+0x723/0xbe0 [ 1796.883319][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1796.883319][ T74] ___sys_sendmsg+0xee/0x170 [ 1796.883319][ T74] __sys_sendmsg+0xcd/0x170 [ 1796.883319][ T74] do_syscall_64+0xc6/0x1e0 [ 1796.883319][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1796.883319][ T74] [ 1796.885319][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1796.885319][ T74] netdev_get_by_index+0x5e/0x80 [ 1796.885319][ T74] fib6_nh_init+0x3d8/0x1580 [ 1796.885319][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1796.885319][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1796.885319][ T74] ipv6_add_addr+0x411/0x2000 [ 1796.885319][ T74] inet6_addr_add+0x30e/0xa40 [ 1796.885319][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1796.885319][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1796.885319][ T74] netlink_rcv_skb+0x130/0x360 [ 1796.885319][ T74] netlink_unicast+0x449/0x710 [ 1796.885319][ T74] netlink_sendmsg+0x723/0xbe0 [ 1796.885319][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1796.885319][ T74] ___sys_sendmsg+0xee/0x170 [ 1796.885319][ T74] __sys_sendmsg+0xcd/0x170 [ 1796.885319][ T74] do_syscall_64+0xc6/0x1e0 [ 1796.885319][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1796.885319][ T74] [ 1796.887329][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1796.887329][ T74] netdev_get_by_index+0x5e/0x80 [ 1796.887329][ T74] fib6_nh_init+0x3d8/0x1580 [ 1796.887329][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1796.887329][ T74] ip6_route_add+0x1c/0x140 [ 1796.887329][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1796.887329][ T74] addrconf_add_dev+0xe2/0x170 [ 1796.887329][ T74] inet6_addr_add+0x12f/0xa40 [ 1796.887329][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1796.887329][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1796.887329][ T74] netlink_rcv_skb+0x130/0x360 [ 1796.887329][ T74] netlink_unicast+0x449/0x710 [ 1796.887329][ T74] netlink_sendmsg+0x723/0xbe0 [ 1796.887329][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1796.887329][ T74] ___sys_sendmsg+0xee/0x170 [ 1796.887329][ T74] __sys_sendmsg+0xcd/0x170 [ 1796.887329][ T74] do_syscall_64+0xc6/0x1e0 [ 1796.887329][ T74] [ 1796.889301][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1796.889301][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1796.889301][ T74] ipv6_find_idev+0x102/0x170 [ 1796.889301][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1796.889301][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1796.889301][ T74] netlink_rcv_skb+0x130/0x360 [ 1796.889301][ T74] netlink_unicast+0x449/0x710 [ 1796.889301][ T74] netlink_sendmsg+0x723/0xbe0 [ 1796.889301][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1796.889301][ T74] ___sys_sendmsg+0xee/0x170 [ 1796.889301][ T74] __sys_sendmsg+0xcd/0x170 [ 1796.889301][ T74] do_syscall_64+0xc6/0x1e0 [ 1796.889301][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1796.889301][ T74] [ 1796.890987][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1796.890987][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1796.890987][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1796.890987][ T74] ipv6_find_idev+0x102/0x170 [ 1796.890987][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1796.890987][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1796.890987][ T74] netlink_rcv_skb+0x130/0x360 [ 1796.890987][ T74] netlink_unicast+0x449/0x710 [ 1796.890987][ T74] netlink_sendmsg+0x723/0xbe0 [ 1796.890987][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1796.890987][ T74] ___sys_sendmsg+0xee/0x170 [ 1796.890987][ T74] __sys_sendmsg+0xcd/0x170 [ 1796.890987][ T74] do_syscall_64+0xc6/0x1e0 [ 1796.890987][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1796.890987][ T74] [ 1796.892928][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1796.893199][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1796.893199][ T74] netdev_get_by_index+0x5e/0x80 [ 1796.893199][ T74] fib6_nh_init+0x3d8/0x1580 [ 1796.893199][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1796.893199][ T74] ip6_route_add+0x1c/0x140 [ 1796.893199][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1796.893199][ T74] inet6_addr_add+0x4f8/0xa40 [ 1796.893199][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1796.893199][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1796.893199][ T74] netlink_rcv_skb+0x130/0x360 [ 1796.893199][ T74] netlink_unicast+0x449/0x710 [ 1796.893199][ T74] netlink_sendmsg+0x723/0xbe0 [ 1796.893199][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1796.893199][ T74] ___sys_sendmsg+0xee/0x170 [ 1796.893199][ T74] __sys_sendmsg+0xcd/0x170 [ 1796.893199][ T74] do_syscall_64+0xc6/0x1e0 [ 1796.893199][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1796.893199][ T74] [ 1796.895457][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1796.895457][ T74] netdev_get_by_index+0x5e/0x80 [ 1796.895457][ T74] fib6_nh_init+0x3d8/0x1580 [ 1796.895457][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1796.895457][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1796.895457][ T74] ipv6_add_addr+0x411/0x2000 [ 1796.895457][ T74] inet6_addr_add+0x30e/0xa40 [ 1796.895457][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1796.895457][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1796.895457][ T74] netlink_rcv_skb+0x130/0x360 [ 1796.895457][ T74] netlink_unicast+0x449/0x710 [ 1796.895457][ T74] netlink_sendmsg+0x723/0xbe0 [ 1796.895457][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1796.895457][ T74] ___sys_sendmsg+0xee/0x170 [ 1796.895457][ T74] __sys_sendmsg+0xcd/0x170 [ 1796.895457][ T74] do_syscall_64+0xc6/0x1e0 [ 1796.895457][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1796.895457][ T74] [ 1796.897721][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1796.897721][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1796.897721][ T74] ipv6_find_idev+0x102/0x170 [ 1796.897721][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1796.897721][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1796.897721][ T74] netlink_rcv_skb+0x130/0x360 [ 1796.897721][ T74] netlink_unicast+0x449/0x710 [ 1796.897721][ T74] netlink_sendmsg+0x723/0xbe0 [ 1796.897721][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1796.897721][ T74] ___sys_sendmsg+0xee/0x170 [ 1796.897721][ T74] __sys_sendmsg+0xcd/0x170 [ 1796.897721][ T74] do_syscall_64+0xc6/0x1e0 [ 1796.897721][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1796.897721][ T74] [ 1796.899391][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1796.899391][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1796.899391][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1796.899391][ T74] ipv6_find_idev+0x102/0x170 [ 1796.899391][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1796.899391][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1796.899391][ T74] netlink_rcv_skb+0x130/0x360 [ 1796.899391][ T74] netlink_unicast+0x449/0x710 [ 1796.899391][ T74] netlink_sendmsg+0x723/0xbe0 [ 1796.899391][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1796.899391][ T74] ___sys_sendmsg+0xee/0x170 [ 1796.899391][ T74] __sys_sendmsg+0xcd/0x170 [ 1796.899391][ T74] do_syscall_64+0xc6/0x1e0 [ 1796.899391][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1796.899391][ T74] [ 1807.056000][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1807.056466][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1807.056466][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1807.056466][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1807.056466][ T74] fib6_nh_init+0xa22/0x1580 [ 1807.056466][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1807.056466][ T74] ip6_route_add+0x1c/0x140 [ 1807.056466][ T74] inet6_rtm_newroute+0x104/0x110 [ 1807.056466][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1807.056466][ T74] netlink_rcv_skb+0x130/0x360 [ 1807.056466][ T74] netlink_unicast+0x449/0x710 [ 1807.056466][ T74] netlink_sendmsg+0x723/0xbe0 [ 1807.056466][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1807.056466][ T74] ___sys_sendmsg+0xee/0x170 [ 1807.056466][ T74] __sys_sendmsg+0xcd/0x170 [ 1807.056466][ T74] do_syscall_64+0xc6/0x1e0 [ 1807.056466][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1807.056466][ T74] [ 1807.058416][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1807.058416][ T74] netdev_get_by_index+0x5e/0x80 [ 1807.058416][ T74] fib6_nh_init+0x3d8/0x1580 [ 1807.058416][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1807.058416][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1807.058416][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1807.058416][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1807.058416][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1807.058416][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1807.058416][ T74] addrconf_dad_begin+0x310/0x670 [ 1807.058416][ T74] addrconf_dad_work+0x10b/0xab0 [ 1807.058416][ T74] process_one_work+0x84d/0x18a0 [ 1807.058416][ T74] worker_thread+0x587/0xd30 [ 1807.058416][ T74] kthread+0x28a/0x350 [ 1807.058416][ T74] ret_from_fork+0x31/0x70 [ 1807.058416][ T74] ret_from_fork_asm+0x1a/0x30 [ 1807.058416][ T74] [ 1807.060379][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1807.060379][ T74] netdev_get_by_index+0x5e/0x80 [ 1807.060379][ T74] fib6_nh_init+0x3d8/0x1580 [ 1807.060379][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1807.060379][ T74] ip6_route_add+0x1c/0x140 [ 1807.060379][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1807.060379][ T74] inet6_addr_add+0x4f8/0xa40 [ 1807.060379][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1807.060379][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1807.060379][ T74] netlink_rcv_skb+0x130/0x360 [ 1807.060379][ T74] netlink_unicast+0x449/0x710 [ 1807.060379][ T74] netlink_sendmsg+0x723/0xbe0 [ 1807.060379][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1807.060379][ T74] ___sys_sendmsg+0xee/0x170 [ 1807.060379][ T74] __sys_sendmsg+0xcd/0x170 [ 1807.060379][ T74] do_syscall_64+0xc6/0x1e0 [ 1807.060379][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1807.060379][ T74] [ 1807.062412][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1807.062412][ T74] netdev_get_by_index+0x5e/0x80 [ 1807.062412][ T74] fib6_nh_init+0x3d8/0x1580 [ 1807.062412][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1807.062412][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1807.062412][ T74] ipv6_add_addr+0x411/0x2000 [ 1807.062412][ T74] inet6_addr_add+0x30e/0xa40 [ 1807.062412][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1807.062412][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1807.062412][ T74] netlink_rcv_skb+0x130/0x360 [ 1807.062412][ T74] netlink_unicast+0x449/0x710 [ 1807.062412][ T74] netlink_sendmsg+0x723/0xbe0 [ 1807.062412][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1807.062412][ T74] ___sys_sendmsg+0xee/0x170 [ 1807.062412][ T74] __sys_sendmsg+0xcd/0x170 [ 1807.062412][ T74] do_syscall_64+0xc6/0x1e0 [ 1807.062412][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1807.062412][ T74] [ 1807.064443][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1807.064443][ T74] netdev_get_by_index+0x5e/0x80 [ 1807.064443][ T74] fib6_nh_init+0x3d8/0x1580 [ 1807.064443][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1807.064443][ T74] ip6_route_add+0x1c/0x140 [ 1807.064443][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1807.064443][ T74] addrconf_add_dev+0xe2/0x170 [ 1807.064443][ T74] inet6_addr_add+0x12f/0xa40 [ 1807.064443][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1807.064443][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1807.064443][ T74] netlink_rcv_skb+0x130/0x360 [ 1807.064443][ T74] netlink_unicast+0x449/0x710 [ 1807.064443][ T74] netlink_sendmsg+0x723/0xbe0 [ 1807.064443][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1807.064443][ T74] ___sys_sendmsg+0xee/0x170 [ 1807.064443][ T74] __sys_sendmsg+0xcd/0x170 [ 1807.064443][ T74] do_syscall_64+0xc6/0x1e0 [ 1807.064443][ T74] [ 1807.066443][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1807.066443][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1807.066443][ T74] ipv6_find_idev+0x102/0x170 [ 1807.066443][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1807.066443][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1807.066443][ T74] netlink_rcv_skb+0x130/0x360 [ 1807.066443][ T74] netlink_unicast+0x449/0x710 [ 1807.066443][ T74] netlink_sendmsg+0x723/0xbe0 [ 1807.066443][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1807.066443][ T74] ___sys_sendmsg+0xee/0x170 [ 1807.066443][ T74] __sys_sendmsg+0xcd/0x170 [ 1807.066443][ T74] do_syscall_64+0xc6/0x1e0 [ 1807.066443][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1807.066443][ T74] [ 1807.068002][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1807.068002][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1807.068002][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1807.068002][ T74] ipv6_find_idev+0x102/0x170 [ 1807.068002][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1807.068002][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1807.068002][ T74] netlink_rcv_skb+0x130/0x360 [ 1807.068002][ T74] netlink_unicast+0x449/0x710 [ 1807.068002][ T74] netlink_sendmsg+0x723/0xbe0 [ 1807.068002][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1807.068002][ T74] ___sys_sendmsg+0xee/0x170 [ 1807.068002][ T74] __sys_sendmsg+0xcd/0x170 [ 1807.068002][ T74] do_syscall_64+0xc6/0x1e0 [ 1807.068002][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1807.068002][ T74] [ 1807.069737][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1807.070040][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1807.070040][ T74] dst_init+0x84/0x4a0 [ 1807.070040][ T74] dst_alloc+0x97/0x150 [ 1807.070040][ T74] ip6_dst_alloc+0x23/0x90 [ 1807.070040][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1807.070040][ T74] ip6_pol_route+0x56f/0x840 [ 1807.070040][ T74] fib6_rule_lookup+0x456/0x630 [ 1807.070040][ T74] ip6_route_input+0x59c/0xa50 [ 1807.070040][ T74] ipv6_rcv+0x397/0x810 [ 1807.070040][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1807.070040][ T74] process_backlog+0x101/0x620 [ 1807.070040][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1807.070040][ T74] net_rx_action+0x495/0xbe0 [ 1807.070040][ T74] __do_softirq+0x1b5/0x7f6 [ 1807.070040][ T74] [ 1807.071699][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1807.071699][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1807.071699][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1807.071699][ T74] fib6_nh_init+0xa22/0x1580 [ 1807.071699][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1807.071699][ T74] ip6_route_add+0x1c/0x140 [ 1807.071699][ T74] inet6_rtm_newroute+0x104/0x110 [ 1807.071699][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1807.071699][ T74] netlink_rcv_skb+0x130/0x360 [ 1807.071699][ T74] netlink_unicast+0x449/0x710 [ 1807.071699][ T74] netlink_sendmsg+0x723/0xbe0 [ 1807.071699][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1807.071699][ T74] ___sys_sendmsg+0xee/0x170 [ 1807.071699][ T74] __sys_sendmsg+0xcd/0x170 [ 1807.071699][ T74] do_syscall_64+0xc6/0x1e0 [ 1807.071699][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1807.071699][ T74] [ 1807.073623][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1807.073623][ T74] netdev_get_by_index+0x5e/0x80 [ 1807.073623][ T74] fib6_nh_init+0x3d8/0x1580 [ 1807.073623][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1807.073623][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1807.073623][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1807.073623][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1807.073623][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1807.073623][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1807.073623][ T74] addrconf_dad_begin+0x310/0x670 [ 1807.073623][ T74] addrconf_dad_work+0x10b/0xab0 [ 1807.073623][ T74] process_one_work+0x84d/0x18a0 [ 1807.073623][ T74] worker_thread+0x587/0xd30 [ 1807.073623][ T74] kthread+0x28a/0x350 [ 1807.073623][ T74] ret_from_fork+0x31/0x70 [ 1807.073623][ T74] ret_from_fork_asm+0x1a/0x30 [ 1807.073623][ T74] [ 1807.075553][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1807.075553][ T74] netdev_get_by_index+0x5e/0x80 [ 1807.075553][ T74] fib6_nh_init+0x3d8/0x1580 [ 1807.075553][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1807.075553][ T74] ip6_route_add+0x1c/0x140 [ 1807.075553][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1807.075553][ T74] inet6_addr_add+0x4f8/0xa40 [ 1807.075553][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1807.075553][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1807.075553][ T74] netlink_rcv_skb+0x130/0x360 [ 1807.075553][ T74] netlink_unicast+0x449/0x710 [ 1807.075553][ T74] netlink_sendmsg+0x723/0xbe0 [ 1807.075553][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1807.075553][ T74] ___sys_sendmsg+0xee/0x170 [ 1807.075553][ T74] __sys_sendmsg+0xcd/0x170 [ 1807.075553][ T74] do_syscall_64+0xc6/0x1e0 [ 1807.075553][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1807.075553][ T74] [ 1807.077596][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1807.077596][ T74] netdev_get_by_index+0x5e/0x80 [ 1807.077596][ T74] fib6_nh_init+0x3d8/0x1580 [ 1807.077596][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1807.077596][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1807.077596][ T74] ipv6_add_addr+0x411/0x2000 [ 1807.077596][ T74] inet6_addr_add+0x30e/0xa40 [ 1807.077596][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1807.077596][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1807.077596][ T74] netlink_rcv_skb+0x130/0x360 [ 1807.077596][ T74] netlink_unicast+0x449/0x710 [ 1807.077596][ T74] netlink_sendmsg+0x723/0xbe0 [ 1807.077596][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1807.077596][ T74] ___sys_sendmsg+0xee/0x170 [ 1807.077596][ T74] __sys_sendmsg+0xcd/0x170 [ 1807.077596][ T74] do_syscall_64+0xc6/0x1e0 [ 1807.077596][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1807.077596][ T74] [ 1807.079633][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1807.079633][ T74] netdev_get_by_index+0x5e/0x80 [ 1807.079633][ T74] fib6_nh_init+0x3d8/0x1580 [ 1807.079633][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1807.079633][ T74] ip6_route_add+0x1c/0x140 [ 1807.079633][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1807.079633][ T74] addrconf_add_dev+0xe2/0x170 [ 1807.079633][ T74] inet6_addr_add+0x12f/0xa40 [ 1807.079633][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1807.079633][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1807.079633][ T74] netlink_rcv_skb+0x130/0x360 [ 1807.079633][ T74] netlink_unicast+0x449/0x710 [ 1807.079633][ T74] netlink_sendmsg+0x723/0xbe0 [ 1807.079633][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1807.079633][ T74] ___sys_sendmsg+0xee/0x170 [ 1807.079633][ T74] __sys_sendmsg+0xcd/0x170 [ 1807.079633][ T74] do_syscall_64+0xc6/0x1e0 [ 1807.079633][ T74] [ 1807.081625][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1807.081625][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1807.081625][ T74] ipv6_find_idev+0x102/0x170 [ 1807.081625][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1807.081625][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1807.081625][ T74] netlink_rcv_skb+0x130/0x360 [ 1807.081625][ T74] netlink_unicast+0x449/0x710 [ 1807.081625][ T74] netlink_sendmsg+0x723/0xbe0 [ 1807.081625][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1807.081625][ T74] ___sys_sendmsg+0xee/0x170 [ 1807.081625][ T74] __sys_sendmsg+0xcd/0x170 [ 1807.081625][ T74] do_syscall_64+0xc6/0x1e0 [ 1807.081625][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1807.081625][ T74] [ 1807.083319][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1807.083319][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1807.083319][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1807.083319][ T74] ipv6_find_idev+0x102/0x170 [ 1807.083319][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1807.083319][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1807.083319][ T74] netlink_rcv_skb+0x130/0x360 [ 1807.083319][ T74] netlink_unicast+0x449/0x710 [ 1807.083319][ T74] netlink_sendmsg+0x723/0xbe0 [ 1807.083319][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1807.083319][ T74] ___sys_sendmsg+0xee/0x170 [ 1807.083319][ T74] __sys_sendmsg+0xcd/0x170 [ 1807.083319][ T74] do_syscall_64+0xc6/0x1e0 [ 1807.083319][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1807.083319][ T74] [ 1807.085290][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1807.085598][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1807.085598][ T74] netdev_get_by_index+0x5e/0x80 [ 1807.085598][ T74] fib6_nh_init+0x3d8/0x1580 [ 1807.085598][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1807.085598][ T74] ip6_route_add+0x1c/0x140 [ 1807.085598][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1807.085598][ T74] inet6_addr_add+0x4f8/0xa40 [ 1807.085598][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1807.085598][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1807.085598][ T74] netlink_rcv_skb+0x130/0x360 [ 1807.085598][ T74] netlink_unicast+0x449/0x710 [ 1807.085598][ T74] netlink_sendmsg+0x723/0xbe0 [ 1807.085598][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1807.085598][ T74] ___sys_sendmsg+0xee/0x170 [ 1807.085598][ T74] __sys_sendmsg+0xcd/0x170 [ 1807.085598][ T74] do_syscall_64+0xc6/0x1e0 [ 1807.085598][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1807.085598][ T74] [ 1807.087831][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1807.087831][ T74] netdev_get_by_index+0x5e/0x80 [ 1807.087831][ T74] fib6_nh_init+0x3d8/0x1580 [ 1807.087831][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1807.087831][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1807.087831][ T74] ipv6_add_addr+0x411/0x2000 [ 1807.087831][ T74] inet6_addr_add+0x30e/0xa40 [ 1807.087831][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1807.087831][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1807.087831][ T74] netlink_rcv_skb+0x130/0x360 [ 1807.087831][ T74] netlink_unicast+0x449/0x710 [ 1807.087831][ T74] netlink_sendmsg+0x723/0xbe0 [ 1807.087831][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1807.087831][ T74] ___sys_sendmsg+0xee/0x170 [ 1807.087831][ T74] __sys_sendmsg+0xcd/0x170 [ 1807.087831][ T74] do_syscall_64+0xc6/0x1e0 [ 1807.087831][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1807.087831][ T74] [ 1807.090112][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1807.090112][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1807.090112][ T74] ipv6_find_idev+0x102/0x170 [ 1807.090112][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1807.090112][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1807.090112][ T74] netlink_rcv_skb+0x130/0x360 [ 1807.090112][ T74] netlink_unicast+0x449/0x710 [ 1807.090112][ T74] netlink_sendmsg+0x723/0xbe0 [ 1807.090112][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1807.090112][ T74] ___sys_sendmsg+0xee/0x170 [ 1807.090112][ T74] __sys_sendmsg+0xcd/0x170 [ 1807.090112][ T74] do_syscall_64+0xc6/0x1e0 [ 1807.090112][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1807.090112][ T74] [ 1807.091902][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1807.091902][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1807.091902][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1807.091902][ T74] ipv6_find_idev+0x102/0x170 [ 1807.091902][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1807.091902][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1807.091902][ T74] netlink_rcv_skb+0x130/0x360 [ 1807.091902][ T74] netlink_unicast+0x449/0x710 [ 1807.091902][ T74] netlink_sendmsg+0x723/0xbe0 [ 1807.091902][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1807.091902][ T74] ___sys_sendmsg+0xee/0x170 [ 1807.091902][ T74] __sys_sendmsg+0xcd/0x170 [ 1807.091902][ T74] do_syscall_64+0xc6/0x1e0 [ 1807.091902][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1807.091902][ T74] [ 1817.335959][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1817.336377][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1817.336377][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1817.336377][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1817.336377][ T74] fib6_nh_init+0xa22/0x1580 [ 1817.336377][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1817.336377][ T74] ip6_route_add+0x1c/0x140 [ 1817.336377][ T74] inet6_rtm_newroute+0x104/0x110 [ 1817.336377][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1817.336377][ T74] netlink_rcv_skb+0x130/0x360 [ 1817.336377][ T74] netlink_unicast+0x449/0x710 [ 1817.336377][ T74] netlink_sendmsg+0x723/0xbe0 [ 1817.336377][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1817.336377][ T74] ___sys_sendmsg+0xee/0x170 [ 1817.336377][ T74] __sys_sendmsg+0xcd/0x170 [ 1817.336377][ T74] do_syscall_64+0xc6/0x1e0 [ 1817.336377][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1817.336377][ T74] [ 1817.338337][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1817.338337][ T74] netdev_get_by_index+0x5e/0x80 [ 1817.338337][ T74] fib6_nh_init+0x3d8/0x1580 [ 1817.338337][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1817.338337][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1817.338337][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1817.338337][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1817.338337][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1817.338337][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1817.338337][ T74] addrconf_dad_begin+0x310/0x670 [ 1817.338337][ T74] addrconf_dad_work+0x10b/0xab0 [ 1817.338337][ T74] process_one_work+0x84d/0x18a0 [ 1817.338337][ T74] worker_thread+0x587/0xd30 [ 1817.338337][ T74] kthread+0x28a/0x350 [ 1817.338337][ T74] ret_from_fork+0x31/0x70 [ 1817.338337][ T74] ret_from_fork_asm+0x1a/0x30 [ 1817.338337][ T74] [ 1817.340340][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1817.340340][ T74] netdev_get_by_index+0x5e/0x80 [ 1817.340340][ T74] fib6_nh_init+0x3d8/0x1580 [ 1817.340340][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1817.340340][ T74] ip6_route_add+0x1c/0x140 [ 1817.340340][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1817.340340][ T74] inet6_addr_add+0x4f8/0xa40 [ 1817.340340][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1817.340340][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1817.340340][ T74] netlink_rcv_skb+0x130/0x360 [ 1817.340340][ T74] netlink_unicast+0x449/0x710 [ 1817.340340][ T74] netlink_sendmsg+0x723/0xbe0 [ 1817.340340][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1817.340340][ T74] ___sys_sendmsg+0xee/0x170 [ 1817.340340][ T74] __sys_sendmsg+0xcd/0x170 [ 1817.340340][ T74] do_syscall_64+0xc6/0x1e0 [ 1817.340340][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1817.340340][ T74] [ 1817.342420][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1817.342420][ T74] netdev_get_by_index+0x5e/0x80 [ 1817.342420][ T74] fib6_nh_init+0x3d8/0x1580 [ 1817.342420][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1817.342420][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1817.342420][ T74] ipv6_add_addr+0x411/0x2000 [ 1817.342420][ T74] inet6_addr_add+0x30e/0xa40 [ 1817.342420][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1817.342420][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1817.342420][ T74] netlink_rcv_skb+0x130/0x360 [ 1817.342420][ T74] netlink_unicast+0x449/0x710 [ 1817.342420][ T74] netlink_sendmsg+0x723/0xbe0 [ 1817.342420][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1817.342420][ T74] ___sys_sendmsg+0xee/0x170 [ 1817.342420][ T74] __sys_sendmsg+0xcd/0x170 [ 1817.342420][ T74] do_syscall_64+0xc6/0x1e0 [ 1817.342420][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1817.342420][ T74] [ 1817.344482][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1817.344482][ T74] netdev_get_by_index+0x5e/0x80 [ 1817.344482][ T74] fib6_nh_init+0x3d8/0x1580 [ 1817.344482][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1817.344482][ T74] ip6_route_add+0x1c/0x140 [ 1817.344482][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1817.344482][ T74] addrconf_add_dev+0xe2/0x170 [ 1817.344482][ T74] inet6_addr_add+0x12f/0xa40 [ 1817.344482][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1817.344482][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1817.344482][ T74] netlink_rcv_skb+0x130/0x360 [ 1817.344482][ T74] netlink_unicast+0x449/0x710 [ 1817.344482][ T74] netlink_sendmsg+0x723/0xbe0 [ 1817.344482][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1817.344482][ T74] ___sys_sendmsg+0xee/0x170 [ 1817.344482][ T74] __sys_sendmsg+0xcd/0x170 [ 1817.344482][ T74] do_syscall_64+0xc6/0x1e0 [ 1817.344482][ T74] [ 1817.346500][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1817.346500][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1817.346500][ T74] ipv6_find_idev+0x102/0x170 [ 1817.346500][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1817.346500][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1817.346500][ T74] netlink_rcv_skb+0x130/0x360 [ 1817.346500][ T74] netlink_unicast+0x449/0x710 [ 1817.346500][ T74] netlink_sendmsg+0x723/0xbe0 [ 1817.346500][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1817.346500][ T74] ___sys_sendmsg+0xee/0x170 [ 1817.346500][ T74] __sys_sendmsg+0xcd/0x170 [ 1817.346500][ T74] do_syscall_64+0xc6/0x1e0 [ 1817.346500][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1817.346500][ T74] [ 1817.348097][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1817.348097][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1817.348097][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1817.348097][ T74] ipv6_find_idev+0x102/0x170 [ 1817.348097][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1817.348097][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1817.348097][ T74] netlink_rcv_skb+0x130/0x360 [ 1817.348097][ T74] netlink_unicast+0x449/0x710 [ 1817.348097][ T74] netlink_sendmsg+0x723/0xbe0 [ 1817.348097][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1817.348097][ T74] ___sys_sendmsg+0xee/0x170 [ 1817.348097][ T74] __sys_sendmsg+0xcd/0x170 [ 1817.348097][ T74] do_syscall_64+0xc6/0x1e0 [ 1817.348097][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1817.348097][ T74] [ 1817.349865][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1817.350173][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1817.350173][ T74] dst_init+0x84/0x4a0 [ 1817.350173][ T74] dst_alloc+0x97/0x150 [ 1817.350173][ T74] ip6_dst_alloc+0x23/0x90 [ 1817.350173][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1817.350173][ T74] ip6_pol_route+0x56f/0x840 [ 1817.350173][ T74] fib6_rule_lookup+0x456/0x630 [ 1817.350173][ T74] ip6_route_input+0x59c/0xa50 [ 1817.350173][ T74] ipv6_rcv+0x397/0x810 [ 1817.350173][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1817.350173][ T74] process_backlog+0x101/0x620 [ 1817.350173][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1817.350173][ T74] net_rx_action+0x495/0xbe0 [ 1817.350173][ T74] __do_softirq+0x1b5/0x7f6 [ 1817.350173][ T74] [ 1817.351850][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1817.351850][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1817.351850][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1817.351850][ T74] fib6_nh_init+0xa22/0x1580 [ 1817.351850][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1817.351850][ T74] ip6_route_add+0x1c/0x140 [ 1817.351850][ T74] inet6_rtm_newroute+0x104/0x110 [ 1817.351850][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1817.351850][ T74] netlink_rcv_skb+0x130/0x360 [ 1817.351850][ T74] netlink_unicast+0x449/0x710 [ 1817.351850][ T74] netlink_sendmsg+0x723/0xbe0 [ 1817.351850][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1817.351850][ T74] ___sys_sendmsg+0xee/0x170 [ 1817.351850][ T74] __sys_sendmsg+0xcd/0x170 [ 1817.351850][ T74] do_syscall_64+0xc6/0x1e0 [ 1817.351850][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1817.351850][ T74] [ 1817.353773][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1817.353773][ T74] netdev_get_by_index+0x5e/0x80 [ 1817.353773][ T74] fib6_nh_init+0x3d8/0x1580 [ 1817.353773][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1817.353773][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1817.353773][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1817.353773][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1817.353773][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1817.353773][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1817.353773][ T74] addrconf_dad_begin+0x310/0x670 [ 1817.353773][ T74] addrconf_dad_work+0x10b/0xab0 [ 1817.353773][ T74] process_one_work+0x84d/0x18a0 [ 1817.353773][ T74] worker_thread+0x587/0xd30 [ 1817.353773][ T74] kthread+0x28a/0x350 [ 1817.353773][ T74] ret_from_fork+0x31/0x70 [ 1817.353773][ T74] ret_from_fork_asm+0x1a/0x30 [ 1817.353773][ T74] [ 1817.355864][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1817.355864][ T74] netdev_get_by_index+0x5e/0x80 [ 1817.355864][ T74] fib6_nh_init+0x3d8/0x1580 [ 1817.355864][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1817.355864][ T74] ip6_route_add+0x1c/0x140 [ 1817.355864][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1817.355864][ T74] inet6_addr_add+0x4f8/0xa40 [ 1817.355864][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1817.355864][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1817.355864][ T74] netlink_rcv_skb+0x130/0x360 [ 1817.355864][ T74] netlink_unicast+0x449/0x710 [ 1817.355864][ T74] netlink_sendmsg+0x723/0xbe0 [ 1817.355864][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1817.355864][ T74] ___sys_sendmsg+0xee/0x170 [ 1817.355864][ T74] __sys_sendmsg+0xcd/0x170 [ 1817.355864][ T74] do_syscall_64+0xc6/0x1e0 [ 1817.355864][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1817.355864][ T74] [ 1817.357887][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1817.357887][ T74] netdev_get_by_index+0x5e/0x80 [ 1817.357887][ T74] fib6_nh_init+0x3d8/0x1580 [ 1817.357887][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1817.357887][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1817.357887][ T74] ipv6_add_addr+0x411/0x2000 [ 1817.357887][ T74] inet6_addr_add+0x30e/0xa40 [ 1817.357887][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1817.357887][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1817.357887][ T74] netlink_rcv_skb+0x130/0x360 [ 1817.357887][ T74] netlink_unicast+0x449/0x710 [ 1817.357887][ T74] netlink_sendmsg+0x723/0xbe0 [ 1817.357887][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1817.357887][ T74] ___sys_sendmsg+0xee/0x170 [ 1817.357887][ T74] __sys_sendmsg+0xcd/0x170 [ 1817.357887][ T74] do_syscall_64+0xc6/0x1e0 [ 1817.357887][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1817.357887][ T74] [ 1817.359913][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1817.359913][ T74] netdev_get_by_index+0x5e/0x80 [ 1817.359913][ T74] fib6_nh_init+0x3d8/0x1580 [ 1817.359913][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1817.359913][ T74] ip6_route_add+0x1c/0x140 [ 1817.359913][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1817.359913][ T74] addrconf_add_dev+0xe2/0x170 [ 1817.359913][ T74] inet6_addr_add+0x12f/0xa40 [ 1817.359913][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1817.359913][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1817.359913][ T74] netlink_rcv_skb+0x130/0x360 [ 1817.359913][ T74] netlink_unicast+0x449/0x710 [ 1817.359913][ T74] netlink_sendmsg+0x723/0xbe0 [ 1817.359913][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1817.359913][ T74] ___sys_sendmsg+0xee/0x170 [ 1817.359913][ T74] __sys_sendmsg+0xcd/0x170 [ 1817.359913][ T74] do_syscall_64+0xc6/0x1e0 [ 1817.359913][ T74] [ 1817.361922][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1817.361922][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1817.361922][ T74] ipv6_find_idev+0x102/0x170 [ 1817.361922][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1817.361922][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1817.361922][ T74] netlink_rcv_skb+0x130/0x360 [ 1817.361922][ T74] netlink_unicast+0x449/0x710 [ 1817.361922][ T74] netlink_sendmsg+0x723/0xbe0 [ 1817.361922][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1817.361922][ T74] ___sys_sendmsg+0xee/0x170 [ 1817.361922][ T74] __sys_sendmsg+0xcd/0x170 [ 1817.361922][ T74] do_syscall_64+0xc6/0x1e0 [ 1817.361922][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1817.361922][ T74] [ 1817.363669][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1817.363669][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1817.363669][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1817.363669][ T74] ipv6_find_idev+0x102/0x170 [ 1817.363669][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1817.363669][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1817.363669][ T74] netlink_rcv_skb+0x130/0x360 [ 1817.363669][ T74] netlink_unicast+0x449/0x710 [ 1817.363669][ T74] netlink_sendmsg+0x723/0xbe0 [ 1817.363669][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1817.363669][ T74] ___sys_sendmsg+0xee/0x170 [ 1817.363669][ T74] __sys_sendmsg+0xcd/0x170 [ 1817.363669][ T74] do_syscall_64+0xc6/0x1e0 [ 1817.363669][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1817.363669][ T74] [ 1817.365577][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1817.365897][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1817.365897][ T74] netdev_get_by_index+0x5e/0x80 [ 1817.365897][ T74] fib6_nh_init+0x3d8/0x1580 [ 1817.365897][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1817.365897][ T74] ip6_route_add+0x1c/0x140 [ 1817.365897][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1817.365897][ T74] inet6_addr_add+0x4f8/0xa40 [ 1817.365897][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1817.365897][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1817.365897][ T74] netlink_rcv_skb+0x130/0x360 [ 1817.365897][ T74] netlink_unicast+0x449/0x710 [ 1817.365897][ T74] netlink_sendmsg+0x723/0xbe0 [ 1817.365897][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1817.365897][ T74] ___sys_sendmsg+0xee/0x170 [ 1817.365897][ T74] __sys_sendmsg+0xcd/0x170 [ 1817.365897][ T74] do_syscall_64+0xc6/0x1e0 [ 1817.365897][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1817.365897][ T74] [ 1817.368126][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1817.368126][ T74] netdev_get_by_index+0x5e/0x80 [ 1817.368126][ T74] fib6_nh_init+0x3d8/0x1580 [ 1817.368126][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1817.368126][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1817.368126][ T74] ipv6_add_addr+0x411/0x2000 [ 1817.368126][ T74] inet6_addr_add+0x30e/0xa40 [ 1817.368126][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1817.368126][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1817.368126][ T74] netlink_rcv_skb+0x130/0x360 [ 1817.368126][ T74] netlink_unicast+0x449/0x710 [ 1817.368126][ T74] netlink_sendmsg+0x723/0xbe0 [ 1817.368126][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1817.368126][ T74] ___sys_sendmsg+0xee/0x170 [ 1817.368126][ T74] __sys_sendmsg+0xcd/0x170 [ 1817.368126][ T74] do_syscall_64+0xc6/0x1e0 [ 1817.368126][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1817.368126][ T74] [ 1817.370462][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1817.370462][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1817.370462][ T74] ipv6_find_idev+0x102/0x170 [ 1817.370462][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1817.370462][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1817.370462][ T74] netlink_rcv_skb+0x130/0x360 [ 1817.370462][ T74] netlink_unicast+0x449/0x710 [ 1817.370462][ T74] netlink_sendmsg+0x723/0xbe0 [ 1817.370462][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1817.370462][ T74] ___sys_sendmsg+0xee/0x170 [ 1817.370462][ T74] __sys_sendmsg+0xcd/0x170 [ 1817.370462][ T74] do_syscall_64+0xc6/0x1e0 [ 1817.370462][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1817.370462][ T74] [ 1817.372206][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1817.372206][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1817.372206][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1817.372206][ T74] ipv6_find_idev+0x102/0x170 [ 1817.372206][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1817.372206][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1817.372206][ T74] netlink_rcv_skb+0x130/0x360 [ 1817.372206][ T74] netlink_unicast+0x449/0x710 [ 1817.372206][ T74] netlink_sendmsg+0x723/0xbe0 [ 1817.372206][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1817.372206][ T74] ___sys_sendmsg+0xee/0x170 [ 1817.372206][ T74] __sys_sendmsg+0xcd/0x170 [ 1817.372206][ T74] do_syscall_64+0xc6/0x1e0 [ 1817.372206][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1817.372206][ T74] [ 1827.615990][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1827.616477][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1827.616477][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1827.616477][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1827.616477][ T74] fib6_nh_init+0xa22/0x1580 [ 1827.616477][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1827.616477][ T74] ip6_route_add+0x1c/0x140 [ 1827.616477][ T74] inet6_rtm_newroute+0x104/0x110 [ 1827.616477][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1827.616477][ T74] netlink_rcv_skb+0x130/0x360 [ 1827.616477][ T74] netlink_unicast+0x449/0x710 [ 1827.616477][ T74] netlink_sendmsg+0x723/0xbe0 [ 1827.616477][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1827.616477][ T74] ___sys_sendmsg+0xee/0x170 [ 1827.616477][ T74] __sys_sendmsg+0xcd/0x170 [ 1827.616477][ T74] do_syscall_64+0xc6/0x1e0 [ 1827.616477][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1827.616477][ T74] [ 1827.618436][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1827.618436][ T74] netdev_get_by_index+0x5e/0x80 [ 1827.618436][ T74] fib6_nh_init+0x3d8/0x1580 [ 1827.618436][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1827.618436][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1827.618436][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1827.618436][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1827.618436][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1827.618436][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1827.618436][ T74] addrconf_dad_begin+0x310/0x670 [ 1827.618436][ T74] addrconf_dad_work+0x10b/0xab0 [ 1827.618436][ T74] process_one_work+0x84d/0x18a0 [ 1827.618436][ T74] worker_thread+0x587/0xd30 [ 1827.618436][ T74] kthread+0x28a/0x350 [ 1827.618436][ T74] ret_from_fork+0x31/0x70 [ 1827.618436][ T74] ret_from_fork_asm+0x1a/0x30 [ 1827.618436][ T74] [ 1827.620403][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1827.620403][ T74] netdev_get_by_index+0x5e/0x80 [ 1827.620403][ T74] fib6_nh_init+0x3d8/0x1580 [ 1827.620403][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1827.620403][ T74] ip6_route_add+0x1c/0x140 [ 1827.620403][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1827.620403][ T74] inet6_addr_add+0x4f8/0xa40 [ 1827.620403][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1827.620403][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1827.620403][ T74] netlink_rcv_skb+0x130/0x360 [ 1827.620403][ T74] netlink_unicast+0x449/0x710 [ 1827.620403][ T74] netlink_sendmsg+0x723/0xbe0 [ 1827.620403][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1827.620403][ T74] ___sys_sendmsg+0xee/0x170 [ 1827.620403][ T74] __sys_sendmsg+0xcd/0x170 [ 1827.620403][ T74] do_syscall_64+0xc6/0x1e0 [ 1827.620403][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1827.620403][ T74] [ 1827.622441][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1827.622441][ T74] netdev_get_by_index+0x5e/0x80 [ 1827.622441][ T74] fib6_nh_init+0x3d8/0x1580 [ 1827.622441][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1827.622441][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1827.622441][ T74] ipv6_add_addr+0x411/0x2000 [ 1827.622441][ T74] inet6_addr_add+0x30e/0xa40 [ 1827.622441][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1827.622441][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1827.622441][ T74] netlink_rcv_skb+0x130/0x360 [ 1827.622441][ T74] netlink_unicast+0x449/0x710 [ 1827.622441][ T74] netlink_sendmsg+0x723/0xbe0 [ 1827.622441][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1827.622441][ T74] ___sys_sendmsg+0xee/0x170 [ 1827.622441][ T74] __sys_sendmsg+0xcd/0x170 [ 1827.622441][ T74] do_syscall_64+0xc6/0x1e0 [ 1827.622441][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1827.622441][ T74] [ 1827.624486][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1827.624486][ T74] netdev_get_by_index+0x5e/0x80 [ 1827.624486][ T74] fib6_nh_init+0x3d8/0x1580 [ 1827.624486][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1827.624486][ T74] ip6_route_add+0x1c/0x140 [ 1827.624486][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1827.624486][ T74] addrconf_add_dev+0xe2/0x170 [ 1827.624486][ T74] inet6_addr_add+0x12f/0xa40 [ 1827.624486][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1827.624486][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1827.624486][ T74] netlink_rcv_skb+0x130/0x360 [ 1827.624486][ T74] netlink_unicast+0x449/0x710 [ 1827.624486][ T74] netlink_sendmsg+0x723/0xbe0 [ 1827.624486][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1827.624486][ T74] ___sys_sendmsg+0xee/0x170 [ 1827.624486][ T74] __sys_sendmsg+0xcd/0x170 [ 1827.624486][ T74] do_syscall_64+0xc6/0x1e0 [ 1827.624486][ T74] [ 1827.626503][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1827.626503][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1827.626503][ T74] ipv6_find_idev+0x102/0x170 [ 1827.626503][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1827.626503][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1827.626503][ T74] netlink_rcv_skb+0x130/0x360 [ 1827.626503][ T74] netlink_unicast+0x449/0x710 [ 1827.626503][ T74] netlink_sendmsg+0x723/0xbe0 [ 1827.626503][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1827.626503][ T74] ___sys_sendmsg+0xee/0x170 [ 1827.626503][ T74] __sys_sendmsg+0xcd/0x170 [ 1827.626503][ T74] do_syscall_64+0xc6/0x1e0 [ 1827.626503][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1827.626503][ T74] [ 1827.628084][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1827.628084][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1827.628084][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1827.628084][ T74] ipv6_find_idev+0x102/0x170 [ 1827.628084][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1827.628084][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1827.628084][ T74] netlink_rcv_skb+0x130/0x360 [ 1827.628084][ T74] netlink_unicast+0x449/0x710 [ 1827.628084][ T74] netlink_sendmsg+0x723/0xbe0 [ 1827.628084][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1827.628084][ T74] ___sys_sendmsg+0xee/0x170 [ 1827.628084][ T74] __sys_sendmsg+0xcd/0x170 [ 1827.628084][ T74] do_syscall_64+0xc6/0x1e0 [ 1827.628084][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1827.628084][ T74] [ 1827.629864][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1827.630158][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1827.630158][ T74] dst_init+0x84/0x4a0 [ 1827.630158][ T74] dst_alloc+0x97/0x150 [ 1827.630158][ T74] ip6_dst_alloc+0x23/0x90 [ 1827.630158][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1827.630158][ T74] ip6_pol_route+0x56f/0x840 [ 1827.630158][ T74] fib6_rule_lookup+0x456/0x630 [ 1827.630158][ T74] ip6_route_input+0x59c/0xa50 [ 1827.630158][ T74] ipv6_rcv+0x397/0x810 [ 1827.630158][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1827.630158][ T74] process_backlog+0x101/0x620 [ 1827.630158][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1827.630158][ T74] net_rx_action+0x495/0xbe0 [ 1827.630158][ T74] __do_softirq+0x1b5/0x7f6 [ 1827.630158][ T74] [ 1827.631836][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1827.631836][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1827.631836][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1827.631836][ T74] fib6_nh_init+0xa22/0x1580 [ 1827.631836][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1827.631836][ T74] ip6_route_add+0x1c/0x140 [ 1827.631836][ T74] inet6_rtm_newroute+0x104/0x110 [ 1827.631836][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1827.631836][ T74] netlink_rcv_skb+0x130/0x360 [ 1827.631836][ T74] netlink_unicast+0x449/0x710 [ 1827.631836][ T74] netlink_sendmsg+0x723/0xbe0 [ 1827.631836][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1827.631836][ T74] ___sys_sendmsg+0xee/0x170 [ 1827.631836][ T74] __sys_sendmsg+0xcd/0x170 [ 1827.631836][ T74] do_syscall_64+0xc6/0x1e0 [ 1827.631836][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1827.631836][ T74] [ 1827.633758][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1827.633758][ T74] netdev_get_by_index+0x5e/0x80 [ 1827.633758][ T74] fib6_nh_init+0x3d8/0x1580 [ 1827.633758][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1827.633758][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1827.633758][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1827.633758][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1827.633758][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1827.633758][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1827.633758][ T74] addrconf_dad_begin+0x310/0x670 [ 1827.633758][ T74] addrconf_dad_work+0x10b/0xab0 [ 1827.633758][ T74] process_one_work+0x84d/0x18a0 [ 1827.633758][ T74] worker_thread+0x587/0xd30 [ 1827.633758][ T74] kthread+0x28a/0x350 [ 1827.633758][ T74] ret_from_fork+0x31/0x70 [ 1827.633758][ T74] ret_from_fork_asm+0x1a/0x30 [ 1827.633758][ T74] [ 1827.635720][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1827.635720][ T74] netdev_get_by_index+0x5e/0x80 [ 1827.635720][ T74] fib6_nh_init+0x3d8/0x1580 [ 1827.635720][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1827.635720][ T74] ip6_route_add+0x1c/0x140 [ 1827.635720][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1827.635720][ T74] inet6_addr_add+0x4f8/0xa40 [ 1827.635720][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1827.635720][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1827.635720][ T74] netlink_rcv_skb+0x130/0x360 [ 1827.635720][ T74] netlink_unicast+0x449/0x710 [ 1827.635720][ T74] netlink_sendmsg+0x723/0xbe0 [ 1827.635720][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1827.635720][ T74] ___sys_sendmsg+0xee/0x170 [ 1827.635720][ T74] __sys_sendmsg+0xcd/0x170 [ 1827.635720][ T74] do_syscall_64+0xc6/0x1e0 [ 1827.635720][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1827.635720][ T74] [ 1827.637763][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1827.637763][ T74] netdev_get_by_index+0x5e/0x80 [ 1827.637763][ T74] fib6_nh_init+0x3d8/0x1580 [ 1827.637763][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1827.637763][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1827.637763][ T74] ipv6_add_addr+0x411/0x2000 [ 1827.637763][ T74] inet6_addr_add+0x30e/0xa40 [ 1827.637763][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1827.637763][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1827.637763][ T74] netlink_rcv_skb+0x130/0x360 [ 1827.637763][ T74] netlink_unicast+0x449/0x710 [ 1827.637763][ T74] netlink_sendmsg+0x723/0xbe0 [ 1827.637763][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1827.637763][ T74] ___sys_sendmsg+0xee/0x170 [ 1827.637763][ T74] __sys_sendmsg+0xcd/0x170 [ 1827.637763][ T74] do_syscall_64+0xc6/0x1e0 [ 1827.637763][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1827.637763][ T74] [ 1827.639803][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1827.639803][ T74] netdev_get_by_index+0x5e/0x80 [ 1827.639803][ T74] fib6_nh_init+0x3d8/0x1580 [ 1827.639803][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1827.639803][ T74] ip6_route_add+0x1c/0x140 [ 1827.639803][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1827.639803][ T74] addrconf_add_dev+0xe2/0x170 [ 1827.639803][ T74] inet6_addr_add+0x12f/0xa40 [ 1827.639803][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1827.639803][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1827.639803][ T74] netlink_rcv_skb+0x130/0x360 [ 1827.639803][ T74] netlink_unicast+0x449/0x710 [ 1827.639803][ T74] netlink_sendmsg+0x723/0xbe0 [ 1827.639803][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1827.639803][ T74] ___sys_sendmsg+0xee/0x170 [ 1827.639803][ T74] __sys_sendmsg+0xcd/0x170 [ 1827.639803][ T74] do_syscall_64+0xc6/0x1e0 [ 1827.639803][ T74] [ 1827.643192][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1827.643192][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1827.643192][ T74] ipv6_find_idev+0x102/0x170 [ 1827.643192][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1827.643192][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1827.643192][ T74] netlink_rcv_skb+0x130/0x360 [ 1827.643192][ T74] netlink_unicast+0x449/0x710 [ 1827.643192][ T74] netlink_sendmsg+0x723/0xbe0 [ 1827.643192][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1827.643192][ T74] ___sys_sendmsg+0xee/0x170 [ 1827.643192][ T74] __sys_sendmsg+0xcd/0x170 [ 1827.643192][ T74] do_syscall_64+0xc6/0x1e0 [ 1827.643192][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1827.643192][ T74] [ 1827.646198][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1827.646198][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1827.646198][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1827.646198][ T74] ipv6_find_idev+0x102/0x170 [ 1827.646198][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1827.646198][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1827.646198][ T74] netlink_rcv_skb+0x130/0x360 [ 1827.646198][ T74] netlink_unicast+0x449/0x710 [ 1827.646198][ T74] netlink_sendmsg+0x723/0xbe0 [ 1827.646198][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1827.646198][ T74] ___sys_sendmsg+0xee/0x170 [ 1827.646198][ T74] __sys_sendmsg+0xcd/0x170 [ 1827.646198][ T74] do_syscall_64+0xc6/0x1e0 [ 1827.646198][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1827.646198][ T74] [ 1827.649381][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1827.649985][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1827.649985][ T74] netdev_get_by_index+0x5e/0x80 [ 1827.649985][ T74] fib6_nh_init+0x3d8/0x1580 [ 1827.649985][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1827.649985][ T74] ip6_route_add+0x1c/0x140 [ 1827.649985][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1827.649985][ T74] inet6_addr_add+0x4f8/0xa40 [ 1827.649985][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1827.649985][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1827.649985][ T74] netlink_rcv_skb+0x130/0x360 [ 1827.649985][ T74] netlink_unicast+0x449/0x710 [ 1827.649985][ T74] netlink_sendmsg+0x723/0xbe0 [ 1827.649985][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1827.649985][ T74] ___sys_sendmsg+0xee/0x170 [ 1827.649985][ T74] __sys_sendmsg+0xcd/0x170 [ 1827.649985][ T74] do_syscall_64+0xc6/0x1e0 [ 1827.649985][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1827.649985][ T74] [ 1827.653752][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1827.653752][ T74] netdev_get_by_index+0x5e/0x80 [ 1827.653752][ T74] fib6_nh_init+0x3d8/0x1580 [ 1827.653752][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1827.653752][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1827.653752][ T74] ipv6_add_addr+0x411/0x2000 [ 1827.653752][ T74] inet6_addr_add+0x30e/0xa40 [ 1827.653752][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1827.653752][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1827.653752][ T74] netlink_rcv_skb+0x130/0x360 [ 1827.653752][ T74] netlink_unicast+0x449/0x710 [ 1827.653752][ T74] netlink_sendmsg+0x723/0xbe0 [ 1827.653752][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1827.653752][ T74] ___sys_sendmsg+0xee/0x170 [ 1827.653752][ T74] __sys_sendmsg+0xcd/0x170 [ 1827.653752][ T74] do_syscall_64+0xc6/0x1e0 [ 1827.653752][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1827.653752][ T74] [ 1827.657569][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1827.657569][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1827.657569][ T74] ipv6_find_idev+0x102/0x170 [ 1827.657569][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1827.657569][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1827.657569][ T74] netlink_rcv_skb+0x130/0x360 [ 1827.657569][ T74] netlink_unicast+0x449/0x710 [ 1827.657569][ T74] netlink_sendmsg+0x723/0xbe0 [ 1827.657569][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1827.657569][ T74] ___sys_sendmsg+0xee/0x170 [ 1827.657569][ T74] __sys_sendmsg+0xcd/0x170 [ 1827.657569][ T74] do_syscall_64+0xc6/0x1e0 [ 1827.657569][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1827.657569][ T74] [ 1827.660670][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1827.660670][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1827.660670][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1827.660670][ T74] ipv6_find_idev+0x102/0x170 [ 1827.660670][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1827.660670][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1827.660670][ T74] netlink_rcv_skb+0x130/0x360 [ 1827.660670][ T74] netlink_unicast+0x449/0x710 [ 1827.660670][ T74] netlink_sendmsg+0x723/0xbe0 [ 1827.660670][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1827.660670][ T74] ___sys_sendmsg+0xee/0x170 [ 1827.660670][ T74] __sys_sendmsg+0xcd/0x170 [ 1827.660670][ T74] do_syscall_64+0xc6/0x1e0 [ 1827.660670][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1827.660670][ T74] [ 1837.904036][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1837.904454][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1837.904454][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1837.904454][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1837.904454][ T74] fib6_nh_init+0xa22/0x1580 [ 1837.904454][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1837.904454][ T74] ip6_route_add+0x1c/0x140 [ 1837.904454][ T74] inet6_rtm_newroute+0x104/0x110 [ 1837.904454][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1837.904454][ T74] netlink_rcv_skb+0x130/0x360 [ 1837.904454][ T74] netlink_unicast+0x449/0x710 [ 1837.904454][ T74] netlink_sendmsg+0x723/0xbe0 [ 1837.904454][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1837.904454][ T74] ___sys_sendmsg+0xee/0x170 [ 1837.904454][ T74] __sys_sendmsg+0xcd/0x170 [ 1837.904454][ T74] do_syscall_64+0xc6/0x1e0 [ 1837.904454][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1837.904454][ T74] [ 1837.906420][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1837.906420][ T74] netdev_get_by_index+0x5e/0x80 [ 1837.906420][ T74] fib6_nh_init+0x3d8/0x1580 [ 1837.906420][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1837.906420][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1837.906420][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1837.906420][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1837.906420][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1837.906420][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1837.906420][ T74] addrconf_dad_begin+0x310/0x670 [ 1837.906420][ T74] addrconf_dad_work+0x10b/0xab0 [ 1837.906420][ T74] process_one_work+0x84d/0x18a0 [ 1837.906420][ T74] worker_thread+0x587/0xd30 [ 1837.906420][ T74] kthread+0x28a/0x350 [ 1837.906420][ T74] ret_from_fork+0x31/0x70 [ 1837.906420][ T74] ret_from_fork_asm+0x1a/0x30 [ 1837.906420][ T74] [ 1837.908505][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1837.908505][ T74] netdev_get_by_index+0x5e/0x80 [ 1837.908505][ T74] fib6_nh_init+0x3d8/0x1580 [ 1837.908505][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1837.908505][ T74] ip6_route_add+0x1c/0x140 [ 1837.908505][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1837.908505][ T74] inet6_addr_add+0x4f8/0xa40 [ 1837.908505][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1837.908505][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1837.908505][ T74] netlink_rcv_skb+0x130/0x360 [ 1837.908505][ T74] netlink_unicast+0x449/0x710 [ 1837.908505][ T74] netlink_sendmsg+0x723/0xbe0 [ 1837.908505][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1837.908505][ T74] ___sys_sendmsg+0xee/0x170 [ 1837.908505][ T74] __sys_sendmsg+0xcd/0x170 [ 1837.908505][ T74] do_syscall_64+0xc6/0x1e0 [ 1837.908505][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1837.908505][ T74] [ 1837.910587][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1837.910587][ T74] netdev_get_by_index+0x5e/0x80 [ 1837.910587][ T74] fib6_nh_init+0x3d8/0x1580 [ 1837.910587][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1837.910587][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1837.910587][ T74] ipv6_add_addr+0x411/0x2000 [ 1837.910587][ T74] inet6_addr_add+0x30e/0xa40 [ 1837.910587][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1837.910587][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1837.910587][ T74] netlink_rcv_skb+0x130/0x360 [ 1837.910587][ T74] netlink_unicast+0x449/0x710 [ 1837.910587][ T74] netlink_sendmsg+0x723/0xbe0 [ 1837.910587][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1837.910587][ T74] ___sys_sendmsg+0xee/0x170 [ 1837.910587][ T74] __sys_sendmsg+0xcd/0x170 [ 1837.910587][ T74] do_syscall_64+0xc6/0x1e0 [ 1837.910587][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1837.910587][ T74] [ 1837.912640][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1837.912640][ T74] netdev_get_by_index+0x5e/0x80 [ 1837.912640][ T74] fib6_nh_init+0x3d8/0x1580 [ 1837.912640][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1837.912640][ T74] ip6_route_add+0x1c/0x140 [ 1837.912640][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1837.912640][ T74] addrconf_add_dev+0xe2/0x170 [ 1837.912640][ T74] inet6_addr_add+0x12f/0xa40 [ 1837.912640][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1837.912640][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1837.912640][ T74] netlink_rcv_skb+0x130/0x360 [ 1837.912640][ T74] netlink_unicast+0x449/0x710 [ 1837.912640][ T74] netlink_sendmsg+0x723/0xbe0 [ 1837.912640][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1837.912640][ T74] ___sys_sendmsg+0xee/0x170 [ 1837.912640][ T74] __sys_sendmsg+0xcd/0x170 [ 1837.912640][ T74] do_syscall_64+0xc6/0x1e0 [ 1837.912640][ T74] [ 1837.914676][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1837.914676][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1837.914676][ T74] ipv6_find_idev+0x102/0x170 [ 1837.914676][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1837.914676][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1837.914676][ T74] netlink_rcv_skb+0x130/0x360 [ 1837.914676][ T74] netlink_unicast+0x449/0x710 [ 1837.914676][ T74] netlink_sendmsg+0x723/0xbe0 [ 1837.914676][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1837.914676][ T74] ___sys_sendmsg+0xee/0x170 [ 1837.914676][ T74] __sys_sendmsg+0xcd/0x170 [ 1837.914676][ T74] do_syscall_64+0xc6/0x1e0 [ 1837.914676][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1837.914676][ T74] [ 1837.916263][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1837.916263][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1837.916263][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1837.916263][ T74] ipv6_find_idev+0x102/0x170 [ 1837.916263][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1837.916263][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1837.916263][ T74] netlink_rcv_skb+0x130/0x360 [ 1837.916263][ T74] netlink_unicast+0x449/0x710 [ 1837.916263][ T74] netlink_sendmsg+0x723/0xbe0 [ 1837.916263][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1837.916263][ T74] ___sys_sendmsg+0xee/0x170 [ 1837.916263][ T74] __sys_sendmsg+0xcd/0x170 [ 1837.916263][ T74] do_syscall_64+0xc6/0x1e0 [ 1837.916263][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1837.916263][ T74] [ 1837.918033][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1837.918319][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1837.918319][ T74] dst_init+0x84/0x4a0 [ 1837.918319][ T74] dst_alloc+0x97/0x150 [ 1837.918319][ T74] ip6_dst_alloc+0x23/0x90 [ 1837.918319][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1837.918319][ T74] ip6_pol_route+0x56f/0x840 [ 1837.918319][ T74] fib6_rule_lookup+0x456/0x630 [ 1837.918319][ T74] ip6_route_input+0x59c/0xa50 [ 1837.918319][ T74] ipv6_rcv+0x397/0x810 [ 1837.918319][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1837.918319][ T74] process_backlog+0x101/0x620 [ 1837.918319][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1837.918319][ T74] net_rx_action+0x495/0xbe0 [ 1837.918319][ T74] __do_softirq+0x1b5/0x7f6 [ 1837.918319][ T74] [ 1837.920007][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1837.920007][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1837.920007][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1837.920007][ T74] fib6_nh_init+0xa22/0x1580 [ 1837.920007][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1837.920007][ T74] ip6_route_add+0x1c/0x140 [ 1837.920007][ T74] inet6_rtm_newroute+0x104/0x110 [ 1837.920007][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1837.920007][ T74] netlink_rcv_skb+0x130/0x360 [ 1837.920007][ T74] netlink_unicast+0x449/0x710 [ 1837.920007][ T74] netlink_sendmsg+0x723/0xbe0 [ 1837.920007][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1837.920007][ T74] ___sys_sendmsg+0xee/0x170 [ 1837.920007][ T74] __sys_sendmsg+0xcd/0x170 [ 1837.920007][ T74] do_syscall_64+0xc6/0x1e0 [ 1837.920007][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1837.920007][ T74] [ 1837.921933][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1837.921933][ T74] netdev_get_by_index+0x5e/0x80 [ 1837.921933][ T74] fib6_nh_init+0x3d8/0x1580 [ 1837.921933][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1837.921933][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1837.921933][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1837.921933][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1837.921933][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1837.921933][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1837.921933][ T74] addrconf_dad_begin+0x310/0x670 [ 1837.921933][ T74] addrconf_dad_work+0x10b/0xab0 [ 1837.921933][ T74] process_one_work+0x84d/0x18a0 [ 1837.921933][ T74] worker_thread+0x587/0xd30 [ 1837.921933][ T74] kthread+0x28a/0x350 [ 1837.921933][ T74] ret_from_fork+0x31/0x70 [ 1837.921933][ T74] ret_from_fork_asm+0x1a/0x30 [ 1837.921933][ T74] [ 1837.923882][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1837.923882][ T74] netdev_get_by_index+0x5e/0x80 [ 1837.923882][ T74] fib6_nh_init+0x3d8/0x1580 [ 1837.923882][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1837.923882][ T74] ip6_route_add+0x1c/0x140 [ 1837.923882][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1837.923882][ T74] inet6_addr_add+0x4f8/0xa40 [ 1837.923882][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1837.923882][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1837.923882][ T74] netlink_rcv_skb+0x130/0x360 [ 1837.923882][ T74] netlink_unicast+0x449/0x710 [ 1837.923882][ T74] netlink_sendmsg+0x723/0xbe0 [ 1837.923882][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1837.923882][ T74] ___sys_sendmsg+0xee/0x170 [ 1837.923882][ T74] __sys_sendmsg+0xcd/0x170 [ 1837.923882][ T74] do_syscall_64+0xc6/0x1e0 [ 1837.923882][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1837.923882][ T74] [ 1837.925939][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1837.925939][ T74] netdev_get_by_index+0x5e/0x80 [ 1837.925939][ T74] fib6_nh_init+0x3d8/0x1580 [ 1837.925939][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1837.925939][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1837.925939][ T74] ipv6_add_addr+0x411/0x2000 [ 1837.925939][ T74] inet6_addr_add+0x30e/0xa40 [ 1837.925939][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1837.925939][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1837.925939][ T74] netlink_rcv_skb+0x130/0x360 [ 1837.925939][ T74] netlink_unicast+0x449/0x710 [ 1837.925939][ T74] netlink_sendmsg+0x723/0xbe0 [ 1837.925939][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1837.925939][ T74] ___sys_sendmsg+0xee/0x170 [ 1837.925939][ T74] __sys_sendmsg+0xcd/0x170 [ 1837.925939][ T74] do_syscall_64+0xc6/0x1e0 [ 1837.925939][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1837.925939][ T74] [ 1837.927981][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1837.927981][ T74] netdev_get_by_index+0x5e/0x80 [ 1837.927981][ T74] fib6_nh_init+0x3d8/0x1580 [ 1837.927981][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1837.927981][ T74] ip6_route_add+0x1c/0x140 [ 1837.927981][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1837.927981][ T74] addrconf_add_dev+0xe2/0x170 [ 1837.927981][ T74] inet6_addr_add+0x12f/0xa40 [ 1837.927981][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1837.927981][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1837.927981][ T74] netlink_rcv_skb+0x130/0x360 [ 1837.927981][ T74] netlink_unicast+0x449/0x710 [ 1837.927981][ T74] netlink_sendmsg+0x723/0xbe0 [ 1837.927981][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1837.927981][ T74] ___sys_sendmsg+0xee/0x170 [ 1837.927981][ T74] __sys_sendmsg+0xcd/0x170 [ 1837.927981][ T74] do_syscall_64+0xc6/0x1e0 [ 1837.927981][ T74] [ 1837.930006][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1837.930006][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1837.930006][ T74] ipv6_find_idev+0x102/0x170 [ 1837.930006][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1837.930006][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1837.930006][ T74] netlink_rcv_skb+0x130/0x360 [ 1837.930006][ T74] netlink_unicast+0x449/0x710 [ 1837.930006][ T74] netlink_sendmsg+0x723/0xbe0 [ 1837.930006][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1837.930006][ T74] ___sys_sendmsg+0xee/0x170 [ 1837.930006][ T74] __sys_sendmsg+0xcd/0x170 [ 1837.930006][ T74] do_syscall_64+0xc6/0x1e0 [ 1837.930006][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1837.930006][ T74] [ 1837.931764][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1837.931764][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1837.931764][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1837.931764][ T74] ipv6_find_idev+0x102/0x170 [ 1837.931764][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1837.931764][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1837.931764][ T74] netlink_rcv_skb+0x130/0x360 [ 1837.931764][ T74] netlink_unicast+0x449/0x710 [ 1837.931764][ T74] netlink_sendmsg+0x723/0xbe0 [ 1837.931764][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1837.931764][ T74] ___sys_sendmsg+0xee/0x170 [ 1837.931764][ T74] __sys_sendmsg+0xcd/0x170 [ 1837.931764][ T74] do_syscall_64+0xc6/0x1e0 [ 1837.931764][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1837.931764][ T74] [ 1837.934050][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1837.934365][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1837.934365][ T74] netdev_get_by_index+0x5e/0x80 [ 1837.934365][ T74] fib6_nh_init+0x3d8/0x1580 [ 1837.934365][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1837.934365][ T74] ip6_route_add+0x1c/0x140 [ 1837.934365][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1837.934365][ T74] inet6_addr_add+0x4f8/0xa40 [ 1837.934365][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1837.934365][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1837.934365][ T74] netlink_rcv_skb+0x130/0x360 [ 1837.934365][ T74] netlink_unicast+0x449/0x710 [ 1837.934365][ T74] netlink_sendmsg+0x723/0xbe0 [ 1837.934365][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1837.934365][ T74] ___sys_sendmsg+0xee/0x170 [ 1837.934365][ T74] __sys_sendmsg+0xcd/0x170 [ 1837.934365][ T74] do_syscall_64+0xc6/0x1e0 [ 1837.934365][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1837.934365][ T74] [ 1837.936598][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1837.936598][ T74] netdev_get_by_index+0x5e/0x80 [ 1837.936598][ T74] fib6_nh_init+0x3d8/0x1580 [ 1837.936598][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1837.936598][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1837.936598][ T74] ipv6_add_addr+0x411/0x2000 [ 1837.936598][ T74] inet6_addr_add+0x30e/0xa40 [ 1837.936598][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1837.936598][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1837.936598][ T74] netlink_rcv_skb+0x130/0x360 [ 1837.936598][ T74] netlink_unicast+0x449/0x710 [ 1837.936598][ T74] netlink_sendmsg+0x723/0xbe0 [ 1837.936598][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1837.936598][ T74] ___sys_sendmsg+0xee/0x170 [ 1837.936598][ T74] __sys_sendmsg+0xcd/0x170 [ 1837.936598][ T74] do_syscall_64+0xc6/0x1e0 [ 1837.936598][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1837.936598][ T74] [ 1837.938883][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1837.938883][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1837.938883][ T74] ipv6_find_idev+0x102/0x170 [ 1837.938883][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1837.938883][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1837.938883][ T74] netlink_rcv_skb+0x130/0x360 [ 1837.938883][ T74] netlink_unicast+0x449/0x710 [ 1837.938883][ T74] netlink_sendmsg+0x723/0xbe0 [ 1837.938883][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1837.938883][ T74] ___sys_sendmsg+0xee/0x170 [ 1837.938883][ T74] __sys_sendmsg+0xcd/0x170 [ 1837.938883][ T74] do_syscall_64+0xc6/0x1e0 [ 1837.938883][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1837.938883][ T74] [ 1837.940638][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1837.940638][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1837.940638][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1837.940638][ T74] ipv6_find_idev+0x102/0x170 [ 1837.940638][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1837.940638][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1837.940638][ T74] netlink_rcv_skb+0x130/0x360 [ 1837.940638][ T74] netlink_unicast+0x449/0x710 [ 1837.940638][ T74] netlink_sendmsg+0x723/0xbe0 [ 1837.940638][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1837.940638][ T74] ___sys_sendmsg+0xee/0x170 [ 1837.940638][ T74] __sys_sendmsg+0xcd/0x170 [ 1837.940638][ T74] do_syscall_64+0xc6/0x1e0 [ 1837.940638][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1837.940638][ T74] [ 1844.519966][ T42] INFO: task modprobe:7619 blocked for more than 245 seconds. [ 1844.520253][ T42] Not tainted 6.8.0-virtme #1 [ 1844.520383][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1844.520583][ T42] task:modprobe state:D stack:25856 pid:7619 tgid:7619 ppid:62 flags:0x00004002 [ 1844.520835][ T42] Call Trace: [ 1844.520964][ T42] [ 1844.521043][ T42] __schedule+0x705/0x1ac0 [ 1844.521180][ T42] ? __pfx___schedule+0x10/0x10 [ 1844.521304][ T42] ? schedule+0x1a5/0x210 [ 1844.521401][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1844.521564][ T42] ? mark_lock+0x38/0x3e0 [ 1844.521662][ T42] ? do_raw_spin_lock+0x131/0x270 [ 1844.521788][ T42] ? schedule+0x1a5/0x210 [ 1844.521895][ T42] schedule+0xdf/0x210 [ 1844.521997][ T42] schedule_preempt_disabled+0x15/0x30 [ 1844.522158][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 1844.522289][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 1844.522442][ T42] ? __pfx_console_unlock+0x10/0x10 [ 1844.522586][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1844.522719][ T42] ? lock_acquire+0x1c1/0x220 [ 1844.522854][ T42] ? register_pernet_subsys+0x1a/0x50 [ 1844.522992][ T42] down_write+0x1c9/0x200 [ 1844.523089][ T42] ? __pfx_down_write+0x10/0x10 [ 1844.523212][ T42] ? __pfx__printk+0x10/0x10 [ 1844.523346][ T42] ? __pfx___lock_release+0x10/0x10 [ 1844.523473][ T42] register_pernet_subsys+0x1a/0x50 [ 1844.523606][ T42] tcf_register_action+0xa3/0x600 [ 1844.523732][ T42] ? __pfx_gact_init_module+0x10/0x10 [act_gact] [ 1844.523906][ T42] do_one_initcall+0xc8/0x3f0 [ 1844.524040][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 1844.524172][ T42] ? __create_object+0x5e/0xb0 [ 1844.524300][ T42] ? kasan_unpoison+0x27/0x60 [ 1844.524432][ T42] do_init_module+0x233/0x740 [ 1844.524575][ T42] load_module+0x16b5/0x2350 [ 1844.524716][ T42] ? __pfx_load_module+0x10/0x10 [ 1844.524840][ T42] ? kernel_read_file+0x3d2/0x520 [ 1844.524998][ T42] ? kernel_read_file+0x300/0x520 [ 1844.525125][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 1844.525257][ T42] ? init_module_from_file+0xd2/0x130 [ 1844.525380][ T42] init_module_from_file+0xd2/0x130 [ 1844.525505][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 1844.525660][ T42] ? __lock_release+0x103/0x460 [ 1844.525790][ T42] ? idempotent_init_module+0x32a/0x620 [ 1844.525934][ T42] ? idempotent_init_module+0x32a/0x620 [ 1844.526066][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 1844.526196][ T42] idempotent_init_module+0x342/0x620 [ 1844.526322][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 1844.526494][ T42] __x64_sys_finit_module+0xbe/0x130 [ 1844.526623][ T42] do_syscall_64+0xc6/0x1e0 [ 1844.526755][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1844.526921][ T42] RIP: 0033:0x7f1db4f62e5d [ 1844.527055][ T42] RSP: 002b:00007ffe8261b448 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 1844.527242][ T42] RAX: ffffffffffffffda RBX: 0000555e1791ec80 RCX: 00007f1db4f62e5d [ 1844.527427][ T42] RDX: 0000000000000000 RSI: 0000555dd93dca2a RDI: 0000000000000000 [ 1844.527608][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007ffe8261b580 [ 1844.527796][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555dd93dca2a [ 1844.528002][ T42] R13: 0000555e1791eac0 R14: 0000555e1791f0b0 R15: 0000555e1791ecf1 [ 1844.528198][ T42] [ 1844.528298][ T42] [ 1844.528298][ T42] Showing all locks held in the system: [ 1844.528476][ T42] 1 lock held by khungtaskd/42: [ 1844.528596][ T42] #0: ffffffff9a7591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 1844.528826][ T42] 2 locks held by kworker/u18:1/62: [ 1844.528953][ T42] #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 1844.529211][ T42] #1: ffffc9000043fda0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 1844.529488][ T42] 3 locks held by kworker/u16:1/74: [ 1844.529608][ T42] #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 1844.529864][ T42] #1: ffffc900004ffda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 1844.530097][ T42] #2: ffffffff9af6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60 [ 1844.530318][ T42] 1 lock held by modprobe/7619: [ 1844.530438][ T42] #0: ffffffff9af6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 1844.530687][ T42] [ 1844.530748][ T42] ============================================= [ 1844.530748][ T42] [ 1848.183982][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1848.184426][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1848.184426][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1848.184426][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1848.184426][ T74] fib6_nh_init+0xa22/0x1580 [ 1848.184426][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1848.184426][ T74] ip6_route_add+0x1c/0x140 [ 1848.184426][ T74] inet6_rtm_newroute+0x104/0x110 [ 1848.184426][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1848.184426][ T74] netlink_rcv_skb+0x130/0x360 [ 1848.184426][ T74] netlink_unicast+0x449/0x710 [ 1848.184426][ T74] netlink_sendmsg+0x723/0xbe0 [ 1848.184426][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1848.184426][ T74] ___sys_sendmsg+0xee/0x170 [ 1848.184426][ T74] __sys_sendmsg+0xcd/0x170 [ 1848.184426][ T74] do_syscall_64+0xc6/0x1e0 [ 1848.184426][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1848.184426][ T74] [ 1848.186367][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1848.186367][ T74] netdev_get_by_index+0x5e/0x80 [ 1848.186367][ T74] fib6_nh_init+0x3d8/0x1580 [ 1848.186367][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1848.186367][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1848.186367][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1848.186367][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1848.186367][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1848.186367][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1848.186367][ T74] addrconf_dad_begin+0x310/0x670 [ 1848.186367][ T74] addrconf_dad_work+0x10b/0xab0 [ 1848.186367][ T74] process_one_work+0x84d/0x18a0 [ 1848.186367][ T74] worker_thread+0x587/0xd30 [ 1848.186367][ T74] kthread+0x28a/0x350 [ 1848.186367][ T74] ret_from_fork+0x31/0x70 [ 1848.186367][ T74] ret_from_fork_asm+0x1a/0x30 [ 1848.186367][ T74] [ 1848.188297][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1848.188297][ T74] netdev_get_by_index+0x5e/0x80 [ 1848.188297][ T74] fib6_nh_init+0x3d8/0x1580 [ 1848.188297][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1848.188297][ T74] ip6_route_add+0x1c/0x140 [ 1848.188297][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1848.188297][ T74] inet6_addr_add+0x4f8/0xa40 [ 1848.188297][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1848.188297][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1848.188297][ T74] netlink_rcv_skb+0x130/0x360 [ 1848.188297][ T74] netlink_unicast+0x449/0x710 [ 1848.188297][ T74] netlink_sendmsg+0x723/0xbe0 [ 1848.188297][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1848.188297][ T74] ___sys_sendmsg+0xee/0x170 [ 1848.188297][ T74] __sys_sendmsg+0xcd/0x170 [ 1848.188297][ T74] do_syscall_64+0xc6/0x1e0 [ 1848.188297][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1848.188297][ T74] [ 1848.190325][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1848.190325][ T74] netdev_get_by_index+0x5e/0x80 [ 1848.190325][ T74] fib6_nh_init+0x3d8/0x1580 [ 1848.190325][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1848.190325][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1848.190325][ T74] ipv6_add_addr+0x411/0x2000 [ 1848.190325][ T74] inet6_addr_add+0x30e/0xa40 [ 1848.190325][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1848.190325][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1848.190325][ T74] netlink_rcv_skb+0x130/0x360 [ 1848.190325][ T74] netlink_unicast+0x449/0x710 [ 1848.190325][ T74] netlink_sendmsg+0x723/0xbe0 [ 1848.190325][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1848.190325][ T74] ___sys_sendmsg+0xee/0x170 [ 1848.190325][ T74] __sys_sendmsg+0xcd/0x170 [ 1848.190325][ T74] do_syscall_64+0xc6/0x1e0 [ 1848.190325][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1848.190325][ T74] [ 1848.192330][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1848.192330][ T74] netdev_get_by_index+0x5e/0x80 [ 1848.192330][ T74] fib6_nh_init+0x3d8/0x1580 [ 1848.192330][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1848.192330][ T74] ip6_route_add+0x1c/0x140 [ 1848.192330][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1848.192330][ T74] addrconf_add_dev+0xe2/0x170 [ 1848.192330][ T74] inet6_addr_add+0x12f/0xa40 [ 1848.192330][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1848.192330][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1848.192330][ T74] netlink_rcv_skb+0x130/0x360 [ 1848.192330][ T74] netlink_unicast+0x449/0x710 [ 1848.192330][ T74] netlink_sendmsg+0x723/0xbe0 [ 1848.192330][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1848.192330][ T74] ___sys_sendmsg+0xee/0x170 [ 1848.192330][ T74] __sys_sendmsg+0xcd/0x170 [ 1848.192330][ T74] do_syscall_64+0xc6/0x1e0 [ 1848.192330][ T74] [ 1848.194304][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1848.194304][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1848.194304][ T74] ipv6_find_idev+0x102/0x170 [ 1848.194304][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1848.194304][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1848.194304][ T74] netlink_rcv_skb+0x130/0x360 [ 1848.194304][ T74] netlink_unicast+0x449/0x710 [ 1848.194304][ T74] netlink_sendmsg+0x723/0xbe0 [ 1848.194304][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1848.194304][ T74] ___sys_sendmsg+0xee/0x170 [ 1848.194304][ T74] __sys_sendmsg+0xcd/0x170 [ 1848.194304][ T74] do_syscall_64+0xc6/0x1e0 [ 1848.194304][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1848.194304][ T74] [ 1848.195848][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1848.195848][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1848.195848][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1848.195848][ T74] ipv6_find_idev+0x102/0x170 [ 1848.195848][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1848.195848][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1848.195848][ T74] netlink_rcv_skb+0x130/0x360 [ 1848.195848][ T74] netlink_unicast+0x449/0x710 [ 1848.195848][ T74] netlink_sendmsg+0x723/0xbe0 [ 1848.195848][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1848.195848][ T74] ___sys_sendmsg+0xee/0x170 [ 1848.195848][ T74] __sys_sendmsg+0xcd/0x170 [ 1848.195848][ T74] do_syscall_64+0xc6/0x1e0 [ 1848.195848][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1848.195848][ T74] [ 1848.197553][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1848.197842][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1848.197842][ T74] dst_init+0x84/0x4a0 [ 1848.197842][ T74] dst_alloc+0x97/0x150 [ 1848.197842][ T74] ip6_dst_alloc+0x23/0x90 [ 1848.197842][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1848.197842][ T74] ip6_pol_route+0x56f/0x840 [ 1848.197842][ T74] fib6_rule_lookup+0x456/0x630 [ 1848.197842][ T74] ip6_route_input+0x59c/0xa50 [ 1848.197842][ T74] ipv6_rcv+0x397/0x810 [ 1848.197842][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1848.197842][ T74] process_backlog+0x101/0x620 [ 1848.197842][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1848.197842][ T74] net_rx_action+0x495/0xbe0 [ 1848.197842][ T74] __do_softirq+0x1b5/0x7f6 [ 1848.197842][ T74] [ 1848.199492][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1848.199492][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1848.199492][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1848.199492][ T74] fib6_nh_init+0xa22/0x1580 [ 1848.199492][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1848.199492][ T74] ip6_route_add+0x1c/0x140 [ 1848.199492][ T74] inet6_rtm_newroute+0x104/0x110 [ 1848.199492][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1848.199492][ T74] netlink_rcv_skb+0x130/0x360 [ 1848.199492][ T74] netlink_unicast+0x449/0x710 [ 1848.199492][ T74] netlink_sendmsg+0x723/0xbe0 [ 1848.199492][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1848.199492][ T74] ___sys_sendmsg+0xee/0x170 [ 1848.199492][ T74] __sys_sendmsg+0xcd/0x170 [ 1848.199492][ T74] do_syscall_64+0xc6/0x1e0 [ 1848.199492][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1848.199492][ T74] [ 1848.201401][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1848.201401][ T74] netdev_get_by_index+0x5e/0x80 [ 1848.201401][ T74] fib6_nh_init+0x3d8/0x1580 [ 1848.201401][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1848.201401][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1848.201401][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1848.201401][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1848.201401][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1848.201401][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1848.201401][ T74] addrconf_dad_begin+0x310/0x670 [ 1848.201401][ T74] addrconf_dad_work+0x10b/0xab0 [ 1848.201401][ T74] process_one_work+0x84d/0x18a0 [ 1848.201401][ T74] worker_thread+0x587/0xd30 [ 1848.201401][ T74] kthread+0x28a/0x350 [ 1848.201401][ T74] ret_from_fork+0x31/0x70 [ 1848.201401][ T74] ret_from_fork_asm+0x1a/0x30 [ 1848.201401][ T74] [ 1848.203354][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1848.203354][ T74] netdev_get_by_index+0x5e/0x80 [ 1848.203354][ T74] fib6_nh_init+0x3d8/0x1580 [ 1848.203354][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1848.203354][ T74] ip6_route_add+0x1c/0x140 [ 1848.203354][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1848.203354][ T74] inet6_addr_add+0x4f8/0xa40 [ 1848.203354][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1848.203354][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1848.203354][ T74] netlink_rcv_skb+0x130/0x360 [ 1848.203354][ T74] netlink_unicast+0x449/0x710 [ 1848.203354][ T74] netlink_sendmsg+0x723/0xbe0 [ 1848.203354][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1848.203354][ T74] ___sys_sendmsg+0xee/0x170 [ 1848.203354][ T74] __sys_sendmsg+0xcd/0x170 [ 1848.203354][ T74] do_syscall_64+0xc6/0x1e0 [ 1848.203354][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1848.203354][ T74] [ 1848.205369][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1848.205369][ T74] netdev_get_by_index+0x5e/0x80 [ 1848.205369][ T74] fib6_nh_init+0x3d8/0x1580 [ 1848.205369][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1848.205369][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1848.205369][ T74] ipv6_add_addr+0x411/0x2000 [ 1848.205369][ T74] inet6_addr_add+0x30e/0xa40 [ 1848.205369][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1848.205369][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1848.205369][ T74] netlink_rcv_skb+0x130/0x360 [ 1848.205369][ T74] netlink_unicast+0x449/0x710 [ 1848.205369][ T74] netlink_sendmsg+0x723/0xbe0 [ 1848.205369][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1848.205369][ T74] ___sys_sendmsg+0xee/0x170 [ 1848.205369][ T74] __sys_sendmsg+0xcd/0x170 [ 1848.205369][ T74] do_syscall_64+0xc6/0x1e0 [ 1848.205369][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1848.205369][ T74] [ 1848.207383][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1848.207383][ T74] netdev_get_by_index+0x5e/0x80 [ 1848.207383][ T74] fib6_nh_init+0x3d8/0x1580 [ 1848.207383][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1848.207383][ T74] ip6_route_add+0x1c/0x140 [ 1848.207383][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1848.207383][ T74] addrconf_add_dev+0xe2/0x170 [ 1848.207383][ T74] inet6_addr_add+0x12f/0xa40 [ 1848.207383][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1848.207383][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1848.207383][ T74] netlink_rcv_skb+0x130/0x360 [ 1848.207383][ T74] netlink_unicast+0x449/0x710 [ 1848.207383][ T74] netlink_sendmsg+0x723/0xbe0 [ 1848.207383][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1848.207383][ T74] ___sys_sendmsg+0xee/0x170 [ 1848.207383][ T74] __sys_sendmsg+0xcd/0x170 [ 1848.207383][ T74] do_syscall_64+0xc6/0x1e0 [ 1848.207383][ T74] [ 1848.209354][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1848.209354][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1848.209354][ T74] ipv6_find_idev+0x102/0x170 [ 1848.209354][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1848.209354][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1848.209354][ T74] netlink_rcv_skb+0x130/0x360 [ 1848.209354][ T74] netlink_unicast+0x449/0x710 [ 1848.209354][ T74] netlink_sendmsg+0x723/0xbe0 [ 1848.209354][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1848.209354][ T74] ___sys_sendmsg+0xee/0x170 [ 1848.209354][ T74] __sys_sendmsg+0xcd/0x170 [ 1848.209354][ T74] do_syscall_64+0xc6/0x1e0 [ 1848.209354][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1848.209354][ T74] [ 1848.211094][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1848.211094][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1848.211094][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1848.211094][ T74] ipv6_find_idev+0x102/0x170 [ 1848.211094][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1848.211094][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1848.211094][ T74] netlink_rcv_skb+0x130/0x360 [ 1848.211094][ T74] netlink_unicast+0x449/0x710 [ 1848.211094][ T74] netlink_sendmsg+0x723/0xbe0 [ 1848.211094][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1848.211094][ T74] ___sys_sendmsg+0xee/0x170 [ 1848.211094][ T74] __sys_sendmsg+0xcd/0x170 [ 1848.211094][ T74] do_syscall_64+0xc6/0x1e0 [ 1848.211094][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1848.211094][ T74] [ 1848.213103][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1848.213349][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1848.213349][ T74] netdev_get_by_index+0x5e/0x80 [ 1848.213349][ T74] fib6_nh_init+0x3d8/0x1580 [ 1848.213349][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1848.213349][ T74] ip6_route_add+0x1c/0x140 [ 1848.213349][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1848.213349][ T74] inet6_addr_add+0x4f8/0xa40 [ 1848.213349][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1848.213349][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1848.213349][ T74] netlink_rcv_skb+0x130/0x360 [ 1848.213349][ T74] netlink_unicast+0x449/0x710 [ 1848.213349][ T74] netlink_sendmsg+0x723/0xbe0 [ 1848.213349][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1848.213349][ T74] ___sys_sendmsg+0xee/0x170 [ 1848.213349][ T74] __sys_sendmsg+0xcd/0x170 [ 1848.213349][ T74] do_syscall_64+0xc6/0x1e0 [ 1848.213349][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1848.213349][ T74] [ 1848.215609][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1848.215609][ T74] netdev_get_by_index+0x5e/0x80 [ 1848.215609][ T74] fib6_nh_init+0x3d8/0x1580 [ 1848.215609][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1848.215609][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1848.215609][ T74] ipv6_add_addr+0x411/0x2000 [ 1848.215609][ T74] inet6_addr_add+0x30e/0xa40 [ 1848.215609][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1848.215609][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1848.215609][ T74] netlink_rcv_skb+0x130/0x360 [ 1848.215609][ T74] netlink_unicast+0x449/0x710 [ 1848.215609][ T74] netlink_sendmsg+0x723/0xbe0 [ 1848.215609][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1848.215609][ T74] ___sys_sendmsg+0xee/0x170 [ 1848.215609][ T74] __sys_sendmsg+0xcd/0x170 [ 1848.215609][ T74] do_syscall_64+0xc6/0x1e0 [ 1848.215609][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1848.215609][ T74] [ 1848.217796][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1848.217796][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1848.217796][ T74] ipv6_find_idev+0x102/0x170 [ 1848.217796][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1848.217796][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1848.217796][ T74] netlink_rcv_skb+0x130/0x360 [ 1848.217796][ T74] netlink_unicast+0x449/0x710 [ 1848.217796][ T74] netlink_sendmsg+0x723/0xbe0 [ 1848.217796][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1848.217796][ T74] ___sys_sendmsg+0xee/0x170 [ 1848.217796][ T74] __sys_sendmsg+0xcd/0x170 [ 1848.217796][ T74] do_syscall_64+0xc6/0x1e0 [ 1848.217796][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1848.217796][ T74] [ 1848.219472][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1848.219472][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1848.219472][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1848.219472][ T74] ipv6_find_idev+0x102/0x170 [ 1848.219472][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1848.219472][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1848.219472][ T74] netlink_rcv_skb+0x130/0x360 [ 1848.219472][ T74] netlink_unicast+0x449/0x710 [ 1848.219472][ T74] netlink_sendmsg+0x723/0xbe0 [ 1848.219472][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1848.219472][ T74] ___sys_sendmsg+0xee/0x170 [ 1848.219472][ T74] __sys_sendmsg+0xcd/0x170 [ 1848.219472][ T74] do_syscall_64+0xc6/0x1e0 [ 1848.219472][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1848.219472][ T74] [ 1858.463941][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1858.464340][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1858.464340][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1858.464340][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1858.464340][ T74] fib6_nh_init+0xa22/0x1580 [ 1858.464340][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1858.464340][ T74] ip6_route_add+0x1c/0x140 [ 1858.464340][ T74] inet6_rtm_newroute+0x104/0x110 [ 1858.464340][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1858.464340][ T74] netlink_rcv_skb+0x130/0x360 [ 1858.464340][ T74] netlink_unicast+0x449/0x710 [ 1858.464340][ T74] netlink_sendmsg+0x723/0xbe0 [ 1858.464340][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1858.464340][ T74] ___sys_sendmsg+0xee/0x170 [ 1858.464340][ T74] __sys_sendmsg+0xcd/0x170 [ 1858.464340][ T74] do_syscall_64+0xc6/0x1e0 [ 1858.464340][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1858.464340][ T74] [ 1858.466296][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1858.466296][ T74] netdev_get_by_index+0x5e/0x80 [ 1858.466296][ T74] fib6_nh_init+0x3d8/0x1580 [ 1858.466296][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1858.466296][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1858.466296][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1858.466296][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1858.466296][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1858.466296][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1858.466296][ T74] addrconf_dad_begin+0x310/0x670 [ 1858.466296][ T74] addrconf_dad_work+0x10b/0xab0 [ 1858.466296][ T74] process_one_work+0x84d/0x18a0 [ 1858.466296][ T74] worker_thread+0x587/0xd30 [ 1858.466296][ T74] kthread+0x28a/0x350 [ 1858.466296][ T74] ret_from_fork+0x31/0x70 [ 1858.466296][ T74] ret_from_fork_asm+0x1a/0x30 [ 1858.466296][ T74] [ 1858.468354][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1858.468354][ T74] netdev_get_by_index+0x5e/0x80 [ 1858.468354][ T74] fib6_nh_init+0x3d8/0x1580 [ 1858.468354][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1858.468354][ T74] ip6_route_add+0x1c/0x140 [ 1858.468354][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1858.468354][ T74] inet6_addr_add+0x4f8/0xa40 [ 1858.468354][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1858.468354][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1858.468354][ T74] netlink_rcv_skb+0x130/0x360 [ 1858.468354][ T74] netlink_unicast+0x449/0x710 [ 1858.468354][ T74] netlink_sendmsg+0x723/0xbe0 [ 1858.468354][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1858.468354][ T74] ___sys_sendmsg+0xee/0x170 [ 1858.468354][ T74] __sys_sendmsg+0xcd/0x170 [ 1858.468354][ T74] do_syscall_64+0xc6/0x1e0 [ 1858.468354][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1858.468354][ T74] [ 1858.470416][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1858.470416][ T74] netdev_get_by_index+0x5e/0x80 [ 1858.470416][ T74] fib6_nh_init+0x3d8/0x1580 [ 1858.470416][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1858.470416][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1858.470416][ T74] ipv6_add_addr+0x411/0x2000 [ 1858.470416][ T74] inet6_addr_add+0x30e/0xa40 [ 1858.470416][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1858.470416][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1858.470416][ T74] netlink_rcv_skb+0x130/0x360 [ 1858.470416][ T74] netlink_unicast+0x449/0x710 [ 1858.470416][ T74] netlink_sendmsg+0x723/0xbe0 [ 1858.470416][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1858.470416][ T74] ___sys_sendmsg+0xee/0x170 [ 1858.470416][ T74] __sys_sendmsg+0xcd/0x170 [ 1858.470416][ T74] do_syscall_64+0xc6/0x1e0 [ 1858.470416][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1858.470416][ T74] [ 1858.472460][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1858.472460][ T74] netdev_get_by_index+0x5e/0x80 [ 1858.472460][ T74] fib6_nh_init+0x3d8/0x1580 [ 1858.472460][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1858.472460][ T74] ip6_route_add+0x1c/0x140 [ 1858.472460][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1858.472460][ T74] addrconf_add_dev+0xe2/0x170 [ 1858.472460][ T74] inet6_addr_add+0x12f/0xa40 [ 1858.472460][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1858.472460][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1858.472460][ T74] netlink_rcv_skb+0x130/0x360 [ 1858.472460][ T74] netlink_unicast+0x449/0x710 [ 1858.472460][ T74] netlink_sendmsg+0x723/0xbe0 [ 1858.472460][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1858.472460][ T74] ___sys_sendmsg+0xee/0x170 [ 1858.472460][ T74] __sys_sendmsg+0xcd/0x170 [ 1858.472460][ T74] do_syscall_64+0xc6/0x1e0 [ 1858.472460][ T74] [ 1858.474471][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1858.474471][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1858.474471][ T74] ipv6_find_idev+0x102/0x170 [ 1858.474471][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1858.474471][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1858.474471][ T74] netlink_rcv_skb+0x130/0x360 [ 1858.474471][ T74] netlink_unicast+0x449/0x710 [ 1858.474471][ T74] netlink_sendmsg+0x723/0xbe0 [ 1858.474471][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1858.474471][ T74] ___sys_sendmsg+0xee/0x170 [ 1858.474471][ T74] __sys_sendmsg+0xcd/0x170 [ 1858.474471][ T74] do_syscall_64+0xc6/0x1e0 [ 1858.474471][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1858.474471][ T74] [ 1858.476059][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1858.476059][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1858.476059][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1858.476059][ T74] ipv6_find_idev+0x102/0x170 [ 1858.476059][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1858.476059][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1858.476059][ T74] netlink_rcv_skb+0x130/0x360 [ 1858.476059][ T74] netlink_unicast+0x449/0x710 [ 1858.476059][ T74] netlink_sendmsg+0x723/0xbe0 [ 1858.476059][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1858.476059][ T74] ___sys_sendmsg+0xee/0x170 [ 1858.476059][ T74] __sys_sendmsg+0xcd/0x170 [ 1858.476059][ T74] do_syscall_64+0xc6/0x1e0 [ 1858.476059][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1858.476059][ T74] [ 1858.477784][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1858.478083][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1858.478083][ T74] dst_init+0x84/0x4a0 [ 1858.478083][ T74] dst_alloc+0x97/0x150 [ 1858.478083][ T74] ip6_dst_alloc+0x23/0x90 [ 1858.478083][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1858.478083][ T74] ip6_pol_route+0x56f/0x840 [ 1858.478083][ T74] fib6_rule_lookup+0x456/0x630 [ 1858.478083][ T74] ip6_route_input+0x59c/0xa50 [ 1858.478083][ T74] ipv6_rcv+0x397/0x810 [ 1858.478083][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1858.478083][ T74] process_backlog+0x101/0x620 [ 1858.478083][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1858.478083][ T74] net_rx_action+0x495/0xbe0 [ 1858.478083][ T74] __do_softirq+0x1b5/0x7f6 [ 1858.478083][ T74] [ 1858.479726][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1858.479726][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1858.479726][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1858.479726][ T74] fib6_nh_init+0xa22/0x1580 [ 1858.479726][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1858.479726][ T74] ip6_route_add+0x1c/0x140 [ 1858.479726][ T74] inet6_rtm_newroute+0x104/0x110 [ 1858.479726][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1858.479726][ T74] netlink_rcv_skb+0x130/0x360 [ 1858.479726][ T74] netlink_unicast+0x449/0x710 [ 1858.479726][ T74] netlink_sendmsg+0x723/0xbe0 [ 1858.479726][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1858.479726][ T74] ___sys_sendmsg+0xee/0x170 [ 1858.479726][ T74] __sys_sendmsg+0xcd/0x170 [ 1858.479726][ T74] do_syscall_64+0xc6/0x1e0 [ 1858.479726][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1858.479726][ T74] [ 1858.481645][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1858.481645][ T74] netdev_get_by_index+0x5e/0x80 [ 1858.481645][ T74] fib6_nh_init+0x3d8/0x1580 [ 1858.481645][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1858.481645][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1858.481645][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1858.481645][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1858.481645][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1858.481645][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1858.481645][ T74] addrconf_dad_begin+0x310/0x670 [ 1858.481645][ T74] addrconf_dad_work+0x10b/0xab0 [ 1858.481645][ T74] process_one_work+0x84d/0x18a0 [ 1858.481645][ T74] worker_thread+0x587/0xd30 [ 1858.481645][ T74] kthread+0x28a/0x350 [ 1858.481645][ T74] ret_from_fork+0x31/0x70 [ 1858.481645][ T74] ret_from_fork_asm+0x1a/0x30 [ 1858.481645][ T74] [ 1858.483575][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1858.483575][ T74] netdev_get_by_index+0x5e/0x80 [ 1858.483575][ T74] fib6_nh_init+0x3d8/0x1580 [ 1858.483575][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1858.483575][ T74] ip6_route_add+0x1c/0x140 [ 1858.483575][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1858.483575][ T74] inet6_addr_add+0x4f8/0xa40 [ 1858.483575][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1858.483575][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1858.483575][ T74] netlink_rcv_skb+0x130/0x360 [ 1858.483575][ T74] netlink_unicast+0x449/0x710 [ 1858.483575][ T74] netlink_sendmsg+0x723/0xbe0 [ 1858.483575][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1858.483575][ T74] ___sys_sendmsg+0xee/0x170 [ 1858.483575][ T74] __sys_sendmsg+0xcd/0x170 [ 1858.483575][ T74] do_syscall_64+0xc6/0x1e0 [ 1858.483575][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1858.483575][ T74] [ 1858.485635][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1858.485635][ T74] netdev_get_by_index+0x5e/0x80 [ 1858.485635][ T74] fib6_nh_init+0x3d8/0x1580 [ 1858.485635][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1858.485635][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1858.485635][ T74] ipv6_add_addr+0x411/0x2000 [ 1858.485635][ T74] inet6_addr_add+0x30e/0xa40 [ 1858.485635][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1858.485635][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1858.485635][ T74] netlink_rcv_skb+0x130/0x360 [ 1858.485635][ T74] netlink_unicast+0x449/0x710 [ 1858.485635][ T74] netlink_sendmsg+0x723/0xbe0 [ 1858.485635][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1858.485635][ T74] ___sys_sendmsg+0xee/0x170 [ 1858.485635][ T74] __sys_sendmsg+0xcd/0x170 [ 1858.485635][ T74] do_syscall_64+0xc6/0x1e0 [ 1858.485635][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1858.485635][ T74] [ 1858.487691][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1858.487691][ T74] netdev_get_by_index+0x5e/0x80 [ 1858.487691][ T74] fib6_nh_init+0x3d8/0x1580 [ 1858.487691][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1858.487691][ T74] ip6_route_add+0x1c/0x140 [ 1858.487691][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1858.487691][ T74] addrconf_add_dev+0xe2/0x170 [ 1858.487691][ T74] inet6_addr_add+0x12f/0xa40 [ 1858.487691][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1858.487691][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1858.487691][ T74] netlink_rcv_skb+0x130/0x360 [ 1858.487691][ T74] netlink_unicast+0x449/0x710 [ 1858.487691][ T74] netlink_sendmsg+0x723/0xbe0 [ 1858.487691][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1858.487691][ T74] ___sys_sendmsg+0xee/0x170 [ 1858.487691][ T74] __sys_sendmsg+0xcd/0x170 [ 1858.487691][ T74] do_syscall_64+0xc6/0x1e0 [ 1858.487691][ T74] [ 1858.489685][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1858.489685][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1858.489685][ T74] ipv6_find_idev+0x102/0x170 [ 1858.489685][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1858.489685][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1858.489685][ T74] netlink_rcv_skb+0x130/0x360 [ 1858.489685][ T74] netlink_unicast+0x449/0x710 [ 1858.489685][ T74] netlink_sendmsg+0x723/0xbe0 [ 1858.489685][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1858.489685][ T74] ___sys_sendmsg+0xee/0x170 [ 1858.489685][ T74] __sys_sendmsg+0xcd/0x170 [ 1858.489685][ T74] do_syscall_64+0xc6/0x1e0 [ 1858.489685][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1858.489685][ T74] [ 1858.491324][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1858.491324][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1858.491324][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1858.491324][ T74] ipv6_find_idev+0x102/0x170 [ 1858.491324][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1858.491324][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1858.491324][ T74] netlink_rcv_skb+0x130/0x360 [ 1858.491324][ T74] netlink_unicast+0x449/0x710 [ 1858.491324][ T74] netlink_sendmsg+0x723/0xbe0 [ 1858.491324][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1858.491324][ T74] ___sys_sendmsg+0xee/0x170 [ 1858.491324][ T74] __sys_sendmsg+0xcd/0x170 [ 1858.491324][ T74] do_syscall_64+0xc6/0x1e0 [ 1858.491324][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1858.491324][ T74] [ 1858.493252][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1858.493501][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1858.493501][ T74] netdev_get_by_index+0x5e/0x80 [ 1858.493501][ T74] fib6_nh_init+0x3d8/0x1580 [ 1858.493501][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1858.493501][ T74] ip6_route_add+0x1c/0x140 [ 1858.493501][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1858.493501][ T74] inet6_addr_add+0x4f8/0xa40 [ 1858.493501][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1858.493501][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1858.493501][ T74] netlink_rcv_skb+0x130/0x360 [ 1858.493501][ T74] netlink_unicast+0x449/0x710 [ 1858.493501][ T74] netlink_sendmsg+0x723/0xbe0 [ 1858.493501][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1858.493501][ T74] ___sys_sendmsg+0xee/0x170 [ 1858.493501][ T74] __sys_sendmsg+0xcd/0x170 [ 1858.493501][ T74] do_syscall_64+0xc6/0x1e0 [ 1858.493501][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1858.493501][ T74] [ 1858.495672][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1858.495672][ T74] netdev_get_by_index+0x5e/0x80 [ 1858.495672][ T74] fib6_nh_init+0x3d8/0x1580 [ 1858.495672][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1858.495672][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1858.495672][ T74] ipv6_add_addr+0x411/0x2000 [ 1858.495672][ T74] inet6_addr_add+0x30e/0xa40 [ 1858.495672][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1858.495672][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1858.495672][ T74] netlink_rcv_skb+0x130/0x360 [ 1858.495672][ T74] netlink_unicast+0x449/0x710 [ 1858.495672][ T74] netlink_sendmsg+0x723/0xbe0 [ 1858.495672][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1858.495672][ T74] ___sys_sendmsg+0xee/0x170 [ 1858.495672][ T74] __sys_sendmsg+0xcd/0x170 [ 1858.495672][ T74] do_syscall_64+0xc6/0x1e0 [ 1858.495672][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1858.495672][ T74] [ 1858.497761][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1858.497761][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1858.497761][ T74] ipv6_find_idev+0x102/0x170 [ 1858.497761][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1858.497761][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1858.497761][ T74] netlink_rcv_skb+0x130/0x360 [ 1858.497761][ T74] netlink_unicast+0x449/0x710 [ 1858.497761][ T74] netlink_sendmsg+0x723/0xbe0 [ 1858.497761][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1858.497761][ T74] ___sys_sendmsg+0xee/0x170 [ 1858.497761][ T74] __sys_sendmsg+0xcd/0x170 [ 1858.497761][ T74] do_syscall_64+0xc6/0x1e0 [ 1858.497761][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1858.497761][ T74] [ 1858.499472][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1858.499472][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1858.499472][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1858.499472][ T74] ipv6_find_idev+0x102/0x170 [ 1858.499472][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1858.499472][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1858.499472][ T74] netlink_rcv_skb+0x130/0x360 [ 1858.499472][ T74] netlink_unicast+0x449/0x710 [ 1858.499472][ T74] netlink_sendmsg+0x723/0xbe0 [ 1858.499472][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1858.499472][ T74] ___sys_sendmsg+0xee/0x170 [ 1858.499472][ T74] __sys_sendmsg+0xcd/0x170 [ 1858.499472][ T74] do_syscall_64+0xc6/0x1e0 [ 1858.499472][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1858.499472][ T74] [ 1868.728081][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1868.728481][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1868.728481][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1868.728481][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1868.728481][ T74] fib6_nh_init+0xa22/0x1580 [ 1868.728481][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1868.728481][ T74] ip6_route_add+0x1c/0x140 [ 1868.728481][ T74] inet6_rtm_newroute+0x104/0x110 [ 1868.728481][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1868.728481][ T74] netlink_rcv_skb+0x130/0x360 [ 1868.728481][ T74] netlink_unicast+0x449/0x710 [ 1868.728481][ T74] netlink_sendmsg+0x723/0xbe0 [ 1868.728481][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1868.728481][ T74] ___sys_sendmsg+0xee/0x170 [ 1868.728481][ T74] __sys_sendmsg+0xcd/0x170 [ 1868.728481][ T74] do_syscall_64+0xc6/0x1e0 [ 1868.728481][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1868.728481][ T74] [ 1868.730400][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1868.730400][ T74] netdev_get_by_index+0x5e/0x80 [ 1868.730400][ T74] fib6_nh_init+0x3d8/0x1580 [ 1868.730400][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1868.730400][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1868.730400][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1868.730400][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1868.730400][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1868.730400][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1868.730400][ T74] addrconf_dad_begin+0x310/0x670 [ 1868.730400][ T74] addrconf_dad_work+0x10b/0xab0 [ 1868.730400][ T74] process_one_work+0x84d/0x18a0 [ 1868.730400][ T74] worker_thread+0x587/0xd30 [ 1868.730400][ T74] kthread+0x28a/0x350 [ 1868.730400][ T74] ret_from_fork+0x31/0x70 [ 1868.730400][ T74] ret_from_fork_asm+0x1a/0x30 [ 1868.730400][ T74] [ 1868.732375][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1868.732375][ T74] netdev_get_by_index+0x5e/0x80 [ 1868.732375][ T74] fib6_nh_init+0x3d8/0x1580 [ 1868.732375][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1868.732375][ T74] ip6_route_add+0x1c/0x140 [ 1868.732375][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1868.732375][ T74] inet6_addr_add+0x4f8/0xa40 [ 1868.732375][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1868.732375][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1868.732375][ T74] netlink_rcv_skb+0x130/0x360 [ 1868.732375][ T74] netlink_unicast+0x449/0x710 [ 1868.732375][ T74] netlink_sendmsg+0x723/0xbe0 [ 1868.732375][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1868.732375][ T74] ___sys_sendmsg+0xee/0x170 [ 1868.732375][ T74] __sys_sendmsg+0xcd/0x170 [ 1868.732375][ T74] do_syscall_64+0xc6/0x1e0 [ 1868.732375][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1868.732375][ T74] [ 1868.734402][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1868.734402][ T74] netdev_get_by_index+0x5e/0x80 [ 1868.734402][ T74] fib6_nh_init+0x3d8/0x1580 [ 1868.734402][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1868.734402][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1868.734402][ T74] ipv6_add_addr+0x411/0x2000 [ 1868.734402][ T74] inet6_addr_add+0x30e/0xa40 [ 1868.734402][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1868.734402][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1868.734402][ T74] netlink_rcv_skb+0x130/0x360 [ 1868.734402][ T74] netlink_unicast+0x449/0x710 [ 1868.734402][ T74] netlink_sendmsg+0x723/0xbe0 [ 1868.734402][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1868.734402][ T74] ___sys_sendmsg+0xee/0x170 [ 1868.734402][ T74] __sys_sendmsg+0xcd/0x170 [ 1868.734402][ T74] do_syscall_64+0xc6/0x1e0 [ 1868.734402][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1868.734402][ T74] [ 1868.736407][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1868.736407][ T74] netdev_get_by_index+0x5e/0x80 [ 1868.736407][ T74] fib6_nh_init+0x3d8/0x1580 [ 1868.736407][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1868.736407][ T74] ip6_route_add+0x1c/0x140 [ 1868.736407][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1868.736407][ T74] addrconf_add_dev+0xe2/0x170 [ 1868.736407][ T74] inet6_addr_add+0x12f/0xa40 [ 1868.736407][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1868.736407][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1868.736407][ T74] netlink_rcv_skb+0x130/0x360 [ 1868.736407][ T74] netlink_unicast+0x449/0x710 [ 1868.736407][ T74] netlink_sendmsg+0x723/0xbe0 [ 1868.736407][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1868.736407][ T74] ___sys_sendmsg+0xee/0x170 [ 1868.736407][ T74] __sys_sendmsg+0xcd/0x170 [ 1868.736407][ T74] do_syscall_64+0xc6/0x1e0 [ 1868.736407][ T74] [ 1868.738367][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1868.738367][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1868.738367][ T74] ipv6_find_idev+0x102/0x170 [ 1868.738367][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1868.738367][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1868.738367][ T74] netlink_rcv_skb+0x130/0x360 [ 1868.738367][ T74] netlink_unicast+0x449/0x710 [ 1868.738367][ T74] netlink_sendmsg+0x723/0xbe0 [ 1868.738367][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1868.738367][ T74] ___sys_sendmsg+0xee/0x170 [ 1868.738367][ T74] __sys_sendmsg+0xcd/0x170 [ 1868.738367][ T74] do_syscall_64+0xc6/0x1e0 [ 1868.738367][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1868.738367][ T74] [ 1868.739914][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1868.739914][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1868.739914][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1868.739914][ T74] ipv6_find_idev+0x102/0x170 [ 1868.739914][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1868.739914][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1868.739914][ T74] netlink_rcv_skb+0x130/0x360 [ 1868.739914][ T74] netlink_unicast+0x449/0x710 [ 1868.739914][ T74] netlink_sendmsg+0x723/0xbe0 [ 1868.739914][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1868.739914][ T74] ___sys_sendmsg+0xee/0x170 [ 1868.739914][ T74] __sys_sendmsg+0xcd/0x170 [ 1868.739914][ T74] do_syscall_64+0xc6/0x1e0 [ 1868.739914][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1868.739914][ T74] [ 1868.741615][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1868.741896][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1868.741896][ T74] dst_init+0x84/0x4a0 [ 1868.741896][ T74] dst_alloc+0x97/0x150 [ 1868.741896][ T74] ip6_dst_alloc+0x23/0x90 [ 1868.741896][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1868.741896][ T74] ip6_pol_route+0x56f/0x840 [ 1868.741896][ T74] fib6_rule_lookup+0x456/0x630 [ 1868.741896][ T74] ip6_route_input+0x59c/0xa50 [ 1868.741896][ T74] ipv6_rcv+0x397/0x810 [ 1868.741896][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1868.741896][ T74] process_backlog+0x101/0x620 [ 1868.741896][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1868.741896][ T74] net_rx_action+0x495/0xbe0 [ 1868.741896][ T74] __do_softirq+0x1b5/0x7f6 [ 1868.741896][ T74] [ 1868.743524][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1868.743524][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1868.743524][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1868.743524][ T74] fib6_nh_init+0xa22/0x1580 [ 1868.743524][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1868.743524][ T74] ip6_route_add+0x1c/0x140 [ 1868.743524][ T74] inet6_rtm_newroute+0x104/0x110 [ 1868.743524][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1868.743524][ T74] netlink_rcv_skb+0x130/0x360 [ 1868.743524][ T74] netlink_unicast+0x449/0x710 [ 1868.743524][ T74] netlink_sendmsg+0x723/0xbe0 [ 1868.743524][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1868.743524][ T74] ___sys_sendmsg+0xee/0x170 [ 1868.743524][ T74] __sys_sendmsg+0xcd/0x170 [ 1868.743524][ T74] do_syscall_64+0xc6/0x1e0 [ 1868.743524][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1868.743524][ T74] [ 1868.745418][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1868.745418][ T74] netdev_get_by_index+0x5e/0x80 [ 1868.745418][ T74] fib6_nh_init+0x3d8/0x1580 [ 1868.745418][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1868.745418][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1868.745418][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1868.745418][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1868.745418][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1868.745418][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1868.745418][ T74] addrconf_dad_begin+0x310/0x670 [ 1868.745418][ T74] addrconf_dad_work+0x10b/0xab0 [ 1868.745418][ T74] process_one_work+0x84d/0x18a0 [ 1868.745418][ T74] worker_thread+0x587/0xd30 [ 1868.745418][ T74] kthread+0x28a/0x350 [ 1868.745418][ T74] ret_from_fork+0x31/0x70 [ 1868.745418][ T74] ret_from_fork_asm+0x1a/0x30 [ 1868.745418][ T74] [ 1868.747329][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1868.747329][ T74] netdev_get_by_index+0x5e/0x80 [ 1868.747329][ T74] fib6_nh_init+0x3d8/0x1580 [ 1868.747329][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1868.747329][ T74] ip6_route_add+0x1c/0x140 [ 1868.747329][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1868.747329][ T74] inet6_addr_add+0x4f8/0xa40 [ 1868.747329][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1868.747329][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1868.747329][ T74] netlink_rcv_skb+0x130/0x360 [ 1868.747329][ T74] netlink_unicast+0x449/0x710 [ 1868.747329][ T74] netlink_sendmsg+0x723/0xbe0 [ 1868.747329][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1868.747329][ T74] ___sys_sendmsg+0xee/0x170 [ 1868.747329][ T74] __sys_sendmsg+0xcd/0x170 [ 1868.747329][ T74] do_syscall_64+0xc6/0x1e0 [ 1868.747329][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1868.747329][ T74] [ 1868.749350][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1868.749350][ T74] netdev_get_by_index+0x5e/0x80 [ 1868.749350][ T74] fib6_nh_init+0x3d8/0x1580 [ 1868.749350][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1868.749350][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1868.749350][ T74] ipv6_add_addr+0x411/0x2000 [ 1868.749350][ T74] inet6_addr_add+0x30e/0xa40 [ 1868.749350][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1868.749350][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1868.749350][ T74] netlink_rcv_skb+0x130/0x360 [ 1868.749350][ T74] netlink_unicast+0x449/0x710 [ 1868.749350][ T74] netlink_sendmsg+0x723/0xbe0 [ 1868.749350][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1868.749350][ T74] ___sys_sendmsg+0xee/0x170 [ 1868.749350][ T74] __sys_sendmsg+0xcd/0x170 [ 1868.749350][ T74] do_syscall_64+0xc6/0x1e0 [ 1868.749350][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1868.749350][ T74] [ 1868.751349][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1868.751349][ T74] netdev_get_by_index+0x5e/0x80 [ 1868.751349][ T74] fib6_nh_init+0x3d8/0x1580 [ 1868.751349][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1868.751349][ T74] ip6_route_add+0x1c/0x140 [ 1868.751349][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1868.751349][ T74] addrconf_add_dev+0xe2/0x170 [ 1868.751349][ T74] inet6_addr_add+0x12f/0xa40 [ 1868.751349][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1868.751349][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1868.751349][ T74] netlink_rcv_skb+0x130/0x360 [ 1868.751349][ T74] netlink_unicast+0x449/0x710 [ 1868.751349][ T74] netlink_sendmsg+0x723/0xbe0 [ 1868.751349][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1868.751349][ T74] ___sys_sendmsg+0xee/0x170 [ 1868.751349][ T74] __sys_sendmsg+0xcd/0x170 [ 1868.751349][ T74] do_syscall_64+0xc6/0x1e0 [ 1868.751349][ T74] [ 1868.753305][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1868.753305][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1868.753305][ T74] ipv6_find_idev+0x102/0x170 [ 1868.753305][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1868.753305][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1868.753305][ T74] netlink_rcv_skb+0x130/0x360 [ 1868.753305][ T74] netlink_unicast+0x449/0x710 [ 1868.753305][ T74] netlink_sendmsg+0x723/0xbe0 [ 1868.753305][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1868.753305][ T74] ___sys_sendmsg+0xee/0x170 [ 1868.753305][ T74] __sys_sendmsg+0xcd/0x170 [ 1868.753305][ T74] do_syscall_64+0xc6/0x1e0 [ 1868.753305][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1868.753305][ T74] [ 1868.754963][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1868.754963][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1868.754963][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1868.754963][ T74] ipv6_find_idev+0x102/0x170 [ 1868.754963][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1868.754963][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1868.754963][ T74] netlink_rcv_skb+0x130/0x360 [ 1868.754963][ T74] netlink_unicast+0x449/0x710 [ 1868.754963][ T74] netlink_sendmsg+0x723/0xbe0 [ 1868.754963][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1868.754963][ T74] ___sys_sendmsg+0xee/0x170 [ 1868.754963][ T74] __sys_sendmsg+0xcd/0x170 [ 1868.754963][ T74] do_syscall_64+0xc6/0x1e0 [ 1868.754963][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1868.754963][ T74] [ 1868.756890][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1868.757126][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1868.757126][ T74] netdev_get_by_index+0x5e/0x80 [ 1868.757126][ T74] fib6_nh_init+0x3d8/0x1580 [ 1868.757126][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1868.757126][ T74] ip6_route_add+0x1c/0x140 [ 1868.757126][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1868.757126][ T74] inet6_addr_add+0x4f8/0xa40 [ 1868.757126][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1868.757126][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1868.757126][ T74] netlink_rcv_skb+0x130/0x360 [ 1868.757126][ T74] netlink_unicast+0x449/0x710 [ 1868.757126][ T74] netlink_sendmsg+0x723/0xbe0 [ 1868.757126][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1868.757126][ T74] ___sys_sendmsg+0xee/0x170 [ 1868.757126][ T74] __sys_sendmsg+0xcd/0x170 [ 1868.757126][ T74] do_syscall_64+0xc6/0x1e0 [ 1868.757126][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1868.757126][ T74] [ 1868.759364][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1868.759364][ T74] netdev_get_by_index+0x5e/0x80 [ 1868.759364][ T74] fib6_nh_init+0x3d8/0x1580 [ 1868.759364][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1868.759364][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1868.759364][ T74] ipv6_add_addr+0x411/0x2000 [ 1868.759364][ T74] inet6_addr_add+0x30e/0xa40 [ 1868.759364][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1868.759364][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1868.759364][ T74] netlink_rcv_skb+0x130/0x360 [ 1868.759364][ T74] netlink_unicast+0x449/0x710 [ 1868.759364][ T74] netlink_sendmsg+0x723/0xbe0 [ 1868.759364][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1868.759364][ T74] ___sys_sendmsg+0xee/0x170 [ 1868.759364][ T74] __sys_sendmsg+0xcd/0x170 [ 1868.759364][ T74] do_syscall_64+0xc6/0x1e0 [ 1868.759364][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1868.759364][ T74] [ 1868.761541][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1868.761541][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1868.761541][ T74] ipv6_find_idev+0x102/0x170 [ 1868.761541][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1868.761541][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1868.761541][ T74] netlink_rcv_skb+0x130/0x360 [ 1868.761541][ T74] netlink_unicast+0x449/0x710 [ 1868.761541][ T74] netlink_sendmsg+0x723/0xbe0 [ 1868.761541][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1868.761541][ T74] ___sys_sendmsg+0xee/0x170 [ 1868.761541][ T74] __sys_sendmsg+0xcd/0x170 [ 1868.761541][ T74] do_syscall_64+0xc6/0x1e0 [ 1868.761541][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1868.761541][ T74] [ 1868.763251][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1868.763251][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1868.763251][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1868.763251][ T74] ipv6_find_idev+0x102/0x170 [ 1868.763251][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1868.763251][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1868.763251][ T74] netlink_rcv_skb+0x130/0x360 [ 1868.763251][ T74] netlink_unicast+0x449/0x710 [ 1868.763251][ T74] netlink_sendmsg+0x723/0xbe0 [ 1868.763251][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1868.763251][ T74] ___sys_sendmsg+0xee/0x170 [ 1868.763251][ T74] __sys_sendmsg+0xcd/0x170 [ 1868.763251][ T74] do_syscall_64+0xc6/0x1e0 [ 1868.763251][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1868.763251][ T74] [ 1879.007960][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1879.008350][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1879.008350][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1879.008350][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1879.008350][ T74] fib6_nh_init+0xa22/0x1580 [ 1879.008350][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1879.008350][ T74] ip6_route_add+0x1c/0x140 [ 1879.008350][ T74] inet6_rtm_newroute+0x104/0x110 [ 1879.008350][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1879.008350][ T74] netlink_rcv_skb+0x130/0x360 [ 1879.008350][ T74] netlink_unicast+0x449/0x710 [ 1879.008350][ T74] netlink_sendmsg+0x723/0xbe0 [ 1879.008350][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1879.008350][ T74] ___sys_sendmsg+0xee/0x170 [ 1879.008350][ T74] __sys_sendmsg+0xcd/0x170 [ 1879.008350][ T74] do_syscall_64+0xc6/0x1e0 [ 1879.008350][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1879.008350][ T74] [ 1879.010273][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1879.010273][ T74] netdev_get_by_index+0x5e/0x80 [ 1879.010273][ T74] fib6_nh_init+0x3d8/0x1580 [ 1879.010273][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1879.010273][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1879.010273][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1879.010273][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1879.010273][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1879.010273][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1879.010273][ T74] addrconf_dad_begin+0x310/0x670 [ 1879.010273][ T74] addrconf_dad_work+0x10b/0xab0 [ 1879.010273][ T74] process_one_work+0x84d/0x18a0 [ 1879.010273][ T74] worker_thread+0x587/0xd30 [ 1879.010273][ T74] kthread+0x28a/0x350 [ 1879.010273][ T74] ret_from_fork+0x31/0x70 [ 1879.010273][ T74] ret_from_fork_asm+0x1a/0x30 [ 1879.010273][ T74] [ 1879.012196][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1879.012196][ T74] netdev_get_by_index+0x5e/0x80 [ 1879.012196][ T74] fib6_nh_init+0x3d8/0x1580 [ 1879.012196][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1879.012196][ T74] ip6_route_add+0x1c/0x140 [ 1879.012196][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1879.012196][ T74] inet6_addr_add+0x4f8/0xa40 [ 1879.012196][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1879.012196][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1879.012196][ T74] netlink_rcv_skb+0x130/0x360 [ 1879.012196][ T74] netlink_unicast+0x449/0x710 [ 1879.012196][ T74] netlink_sendmsg+0x723/0xbe0 [ 1879.012196][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1879.012196][ T74] ___sys_sendmsg+0xee/0x170 [ 1879.012196][ T74] __sys_sendmsg+0xcd/0x170 [ 1879.012196][ T74] do_syscall_64+0xc6/0x1e0 [ 1879.012196][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1879.012196][ T74] [ 1879.014328][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1879.014328][ T74] netdev_get_by_index+0x5e/0x80 [ 1879.014328][ T74] fib6_nh_init+0x3d8/0x1580 [ 1879.014328][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1879.014328][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1879.014328][ T74] ipv6_add_addr+0x411/0x2000 [ 1879.014328][ T74] inet6_addr_add+0x30e/0xa40 [ 1879.014328][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1879.014328][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1879.014328][ T74] netlink_rcv_skb+0x130/0x360 [ 1879.014328][ T74] netlink_unicast+0x449/0x710 [ 1879.014328][ T74] netlink_sendmsg+0x723/0xbe0 [ 1879.014328][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1879.014328][ T74] ___sys_sendmsg+0xee/0x170 [ 1879.014328][ T74] __sys_sendmsg+0xcd/0x170 [ 1879.014328][ T74] do_syscall_64+0xc6/0x1e0 [ 1879.014328][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1879.014328][ T74] [ 1879.016332][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1879.016332][ T74] netdev_get_by_index+0x5e/0x80 [ 1879.016332][ T74] fib6_nh_init+0x3d8/0x1580 [ 1879.016332][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1879.016332][ T74] ip6_route_add+0x1c/0x140 [ 1879.016332][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1879.016332][ T74] addrconf_add_dev+0xe2/0x170 [ 1879.016332][ T74] inet6_addr_add+0x12f/0xa40 [ 1879.016332][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1879.016332][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1879.016332][ T74] netlink_rcv_skb+0x130/0x360 [ 1879.016332][ T74] netlink_unicast+0x449/0x710 [ 1879.016332][ T74] netlink_sendmsg+0x723/0xbe0 [ 1879.016332][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1879.016332][ T74] ___sys_sendmsg+0xee/0x170 [ 1879.016332][ T74] __sys_sendmsg+0xcd/0x170 [ 1879.016332][ T74] do_syscall_64+0xc6/0x1e0 [ 1879.016332][ T74] [ 1879.018300][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1879.018300][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1879.018300][ T74] ipv6_find_idev+0x102/0x170 [ 1879.018300][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1879.018300][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1879.018300][ T74] netlink_rcv_skb+0x130/0x360 [ 1879.018300][ T74] netlink_unicast+0x449/0x710 [ 1879.018300][ T74] netlink_sendmsg+0x723/0xbe0 [ 1879.018300][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1879.018300][ T74] ___sys_sendmsg+0xee/0x170 [ 1879.018300][ T74] __sys_sendmsg+0xcd/0x170 [ 1879.018300][ T74] do_syscall_64+0xc6/0x1e0 [ 1879.018300][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1879.018300][ T74] [ 1879.019842][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1879.019842][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1879.019842][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1879.019842][ T74] ipv6_find_idev+0x102/0x170 [ 1879.019842][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1879.019842][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1879.019842][ T74] netlink_rcv_skb+0x130/0x360 [ 1879.019842][ T74] netlink_unicast+0x449/0x710 [ 1879.019842][ T74] netlink_sendmsg+0x723/0xbe0 [ 1879.019842][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1879.019842][ T74] ___sys_sendmsg+0xee/0x170 [ 1879.019842][ T74] __sys_sendmsg+0xcd/0x170 [ 1879.019842][ T74] do_syscall_64+0xc6/0x1e0 [ 1879.019842][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1879.019842][ T74] [ 1879.021572][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1879.021944][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1879.021944][ T74] dst_init+0x84/0x4a0 [ 1879.021944][ T74] dst_alloc+0x97/0x150 [ 1879.021944][ T74] ip6_dst_alloc+0x23/0x90 [ 1879.021944][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1879.021944][ T74] ip6_pol_route+0x56f/0x840 [ 1879.021944][ T74] fib6_rule_lookup+0x456/0x630 [ 1879.021944][ T74] ip6_route_input+0x59c/0xa50 [ 1879.021944][ T74] ipv6_rcv+0x397/0x810 [ 1879.021944][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1879.021944][ T74] process_backlog+0x101/0x620 [ 1879.021944][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1879.021944][ T74] net_rx_action+0x495/0xbe0 [ 1879.021944][ T74] __do_softirq+0x1b5/0x7f6 [ 1879.021944][ T74] [ 1879.024082][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1879.024082][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1879.024082][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1879.024082][ T74] fib6_nh_init+0xa22/0x1580 [ 1879.024082][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1879.024082][ T74] ip6_route_add+0x1c/0x140 [ 1879.024082][ T74] inet6_rtm_newroute+0x104/0x110 [ 1879.024082][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1879.024082][ T74] netlink_rcv_skb+0x130/0x360 [ 1879.024082][ T74] netlink_unicast+0x449/0x710 [ 1879.024082][ T74] netlink_sendmsg+0x723/0xbe0 [ 1879.024082][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1879.024082][ T74] ___sys_sendmsg+0xee/0x170 [ 1879.024082][ T74] __sys_sendmsg+0xcd/0x170 [ 1879.024082][ T74] do_syscall_64+0xc6/0x1e0 [ 1879.024082][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1879.024082][ T74] [ 1879.026444][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1879.026444][ T74] netdev_get_by_index+0x5e/0x80 [ 1879.026444][ T74] fib6_nh_init+0x3d8/0x1580 [ 1879.026444][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1879.026444][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1879.026444][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1879.026444][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1879.026444][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1879.026444][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1879.026444][ T74] addrconf_dad_begin+0x310/0x670 [ 1879.026444][ T74] addrconf_dad_work+0x10b/0xab0 [ 1879.026444][ T74] process_one_work+0x84d/0x18a0 [ 1879.026444][ T74] worker_thread+0x587/0xd30 [ 1879.026444][ T74] kthread+0x28a/0x350 [ 1879.026444][ T74] ret_from_fork+0x31/0x70 [ 1879.026444][ T74] ret_from_fork_asm+0x1a/0x30 [ 1879.026444][ T74] [ 1879.028889][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1879.028889][ T74] netdev_get_by_index+0x5e/0x80 [ 1879.028889][ T74] fib6_nh_init+0x3d8/0x1580 [ 1879.028889][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1879.028889][ T74] ip6_route_add+0x1c/0x140 [ 1879.028889][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1879.028889][ T74] inet6_addr_add+0x4f8/0xa40 [ 1879.028889][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1879.028889][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1879.028889][ T74] netlink_rcv_skb+0x130/0x360 [ 1879.028889][ T74] netlink_unicast+0x449/0x710 [ 1879.028889][ T74] netlink_sendmsg+0x723/0xbe0 [ 1879.028889][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1879.028889][ T74] ___sys_sendmsg+0xee/0x170 [ 1879.028889][ T74] __sys_sendmsg+0xcd/0x170 [ 1879.028889][ T74] do_syscall_64+0xc6/0x1e0 [ 1879.028889][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1879.028889][ T74] [ 1879.031433][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1879.031433][ T74] netdev_get_by_index+0x5e/0x80 [ 1879.031433][ T74] fib6_nh_init+0x3d8/0x1580 [ 1879.031433][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1879.031433][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1879.031433][ T74] ipv6_add_addr+0x411/0x2000 [ 1879.031433][ T74] inet6_addr_add+0x30e/0xa40 [ 1879.031433][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1879.031433][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1879.031433][ T74] netlink_rcv_skb+0x130/0x360 [ 1879.031433][ T74] netlink_unicast+0x449/0x710 [ 1879.031433][ T74] netlink_sendmsg+0x723/0xbe0 [ 1879.031433][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1879.031433][ T74] ___sys_sendmsg+0xee/0x170 [ 1879.031433][ T74] __sys_sendmsg+0xcd/0x170 [ 1879.031433][ T74] do_syscall_64+0xc6/0x1e0 [ 1879.031433][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1879.031433][ T74] [ 1879.033967][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1879.033967][ T74] netdev_get_by_index+0x5e/0x80 [ 1879.033967][ T74] fib6_nh_init+0x3d8/0x1580 [ 1879.033967][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1879.033967][ T74] ip6_route_add+0x1c/0x140 [ 1879.033967][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1879.033967][ T74] addrconf_add_dev+0xe2/0x170 [ 1879.033967][ T74] inet6_addr_add+0x12f/0xa40 [ 1879.033967][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1879.033967][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1879.033967][ T74] netlink_rcv_skb+0x130/0x360 [ 1879.033967][ T74] netlink_unicast+0x449/0x710 [ 1879.033967][ T74] netlink_sendmsg+0x723/0xbe0 [ 1879.033967][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1879.033967][ T74] ___sys_sendmsg+0xee/0x170 [ 1879.033967][ T74] __sys_sendmsg+0xcd/0x170 [ 1879.033967][ T74] do_syscall_64+0xc6/0x1e0 [ 1879.033967][ T74] [ 1879.036479][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1879.036479][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1879.036479][ T74] ipv6_find_idev+0x102/0x170 [ 1879.036479][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1879.036479][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1879.036479][ T74] netlink_rcv_skb+0x130/0x360 [ 1879.036479][ T74] netlink_unicast+0x449/0x710 [ 1879.036479][ T74] netlink_sendmsg+0x723/0xbe0 [ 1879.036479][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1879.036479][ T74] ___sys_sendmsg+0xee/0x170 [ 1879.036479][ T74] __sys_sendmsg+0xcd/0x170 [ 1879.036479][ T74] do_syscall_64+0xc6/0x1e0 [ 1879.036479][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1879.036479][ T74] [ 1879.038150][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1879.038150][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1879.038150][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1879.038150][ T74] ipv6_find_idev+0x102/0x170 [ 1879.038150][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1879.038150][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1879.038150][ T74] netlink_rcv_skb+0x130/0x360 [ 1879.038150][ T74] netlink_unicast+0x449/0x710 [ 1879.038150][ T74] netlink_sendmsg+0x723/0xbe0 [ 1879.038150][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1879.038150][ T74] ___sys_sendmsg+0xee/0x170 [ 1879.038150][ T74] __sys_sendmsg+0xcd/0x170 [ 1879.038150][ T74] do_syscall_64+0xc6/0x1e0 [ 1879.038150][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1879.038150][ T74] [ 1879.040103][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1879.040346][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1879.040346][ T74] netdev_get_by_index+0x5e/0x80 [ 1879.040346][ T74] fib6_nh_init+0x3d8/0x1580 [ 1879.040346][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1879.040346][ T74] ip6_route_add+0x1c/0x140 [ 1879.040346][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1879.040346][ T74] inet6_addr_add+0x4f8/0xa40 [ 1879.040346][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1879.040346][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1879.040346][ T74] netlink_rcv_skb+0x130/0x360 [ 1879.040346][ T74] netlink_unicast+0x449/0x710 [ 1879.040346][ T74] netlink_sendmsg+0x723/0xbe0 [ 1879.040346][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1879.040346][ T74] ___sys_sendmsg+0xee/0x170 [ 1879.040346][ T74] __sys_sendmsg+0xcd/0x170 [ 1879.040346][ T74] do_syscall_64+0xc6/0x1e0 [ 1879.040346][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1879.040346][ T74] [ 1879.042705][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1879.042705][ T74] netdev_get_by_index+0x5e/0x80 [ 1879.042705][ T74] fib6_nh_init+0x3d8/0x1580 [ 1879.042705][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1879.042705][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1879.042705][ T74] ipv6_add_addr+0x411/0x2000 [ 1879.042705][ T74] inet6_addr_add+0x30e/0xa40 [ 1879.042705][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1879.042705][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1879.042705][ T74] netlink_rcv_skb+0x130/0x360 [ 1879.042705][ T74] netlink_unicast+0x449/0x710 [ 1879.042705][ T74] netlink_sendmsg+0x723/0xbe0 [ 1879.042705][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1879.042705][ T74] ___sys_sendmsg+0xee/0x170 [ 1879.042705][ T74] __sys_sendmsg+0xcd/0x170 [ 1879.042705][ T74] do_syscall_64+0xc6/0x1e0 [ 1879.042705][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1879.042705][ T74] [ 1879.044929][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1879.044929][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1879.044929][ T74] ipv6_find_idev+0x102/0x170 [ 1879.044929][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1879.044929][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1879.044929][ T74] netlink_rcv_skb+0x130/0x360 [ 1879.044929][ T74] netlink_unicast+0x449/0x710 [ 1879.044929][ T74] netlink_sendmsg+0x723/0xbe0 [ 1879.044929][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1879.044929][ T74] ___sys_sendmsg+0xee/0x170 [ 1879.044929][ T74] __sys_sendmsg+0xcd/0x170 [ 1879.044929][ T74] do_syscall_64+0xc6/0x1e0 [ 1879.044929][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1879.044929][ T74] [ 1879.046741][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1879.046741][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1879.046741][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1879.046741][ T74] ipv6_find_idev+0x102/0x170 [ 1879.046741][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1879.046741][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1879.046741][ T74] netlink_rcv_skb+0x130/0x360 [ 1879.046741][ T74] netlink_unicast+0x449/0x710 [ 1879.046741][ T74] netlink_sendmsg+0x723/0xbe0 [ 1879.046741][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1879.046741][ T74] ___sys_sendmsg+0xee/0x170 [ 1879.046741][ T74] __sys_sendmsg+0xcd/0x170 [ 1879.046741][ T74] do_syscall_64+0xc6/0x1e0 [ 1879.046741][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1879.046741][ T74] [ 1889.289360][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1889.289826][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1889.289826][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1889.289826][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1889.289826][ T74] fib6_nh_init+0xa22/0x1580 [ 1889.289826][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1889.289826][ T74] ip6_route_add+0x1c/0x140 [ 1889.289826][ T74] inet6_rtm_newroute+0x104/0x110 [ 1889.289826][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1889.289826][ T74] netlink_rcv_skb+0x130/0x360 [ 1889.289826][ T74] netlink_unicast+0x449/0x710 [ 1889.289826][ T74] netlink_sendmsg+0x723/0xbe0 [ 1889.289826][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1889.289826][ T74] ___sys_sendmsg+0xee/0x170 [ 1889.289826][ T74] __sys_sendmsg+0xcd/0x170 [ 1889.289826][ T74] do_syscall_64+0xc6/0x1e0 [ 1889.289826][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1889.289826][ T74] [ 1889.292135][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1889.292135][ T74] netdev_get_by_index+0x5e/0x80 [ 1889.292135][ T74] fib6_nh_init+0x3d8/0x1580 [ 1889.292135][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1889.292135][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1889.292135][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1889.292135][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1889.292135][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1889.292135][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1889.292135][ T74] addrconf_dad_begin+0x310/0x670 [ 1889.292135][ T74] addrconf_dad_work+0x10b/0xab0 [ 1889.292135][ T74] process_one_work+0x84d/0x18a0 [ 1889.292135][ T74] worker_thread+0x587/0xd30 [ 1889.292135][ T74] kthread+0x28a/0x350 [ 1889.292135][ T74] ret_from_fork+0x31/0x70 [ 1889.292135][ T74] ret_from_fork_asm+0x1a/0x30 [ 1889.292135][ T74] [ 1889.295003][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1889.295003][ T74] netdev_get_by_index+0x5e/0x80 [ 1889.295003][ T74] fib6_nh_init+0x3d8/0x1580 [ 1889.295003][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1889.295003][ T74] ip6_route_add+0x1c/0x140 [ 1889.295003][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1889.295003][ T74] inet6_addr_add+0x4f8/0xa40 [ 1889.295003][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1889.295003][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1889.295003][ T74] netlink_rcv_skb+0x130/0x360 [ 1889.295003][ T74] netlink_unicast+0x449/0x710 [ 1889.295003][ T74] netlink_sendmsg+0x723/0xbe0 [ 1889.295003][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1889.295003][ T74] ___sys_sendmsg+0xee/0x170 [ 1889.295003][ T74] __sys_sendmsg+0xcd/0x170 [ 1889.295003][ T74] do_syscall_64+0xc6/0x1e0 [ 1889.295003][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1889.295003][ T74] [ 1889.298215][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1889.298215][ T74] netdev_get_by_index+0x5e/0x80 [ 1889.298215][ T74] fib6_nh_init+0x3d8/0x1580 [ 1889.298215][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1889.298215][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1889.298215][ T74] ipv6_add_addr+0x411/0x2000 [ 1889.298215][ T74] inet6_addr_add+0x30e/0xa40 [ 1889.298215][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1889.298215][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1889.298215][ T74] netlink_rcv_skb+0x130/0x360 [ 1889.298215][ T74] netlink_unicast+0x449/0x710 [ 1889.298215][ T74] netlink_sendmsg+0x723/0xbe0 [ 1889.298215][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1889.298215][ T74] ___sys_sendmsg+0xee/0x170 [ 1889.298215][ T74] __sys_sendmsg+0xcd/0x170 [ 1889.298215][ T74] do_syscall_64+0xc6/0x1e0 [ 1889.298215][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1889.298215][ T74] [ 1889.300827][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1889.300827][ T74] netdev_get_by_index+0x5e/0x80 [ 1889.300827][ T74] fib6_nh_init+0x3d8/0x1580 [ 1889.300827][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1889.300827][ T74] ip6_route_add+0x1c/0x140 [ 1889.300827][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1889.300827][ T74] addrconf_add_dev+0xe2/0x170 [ 1889.300827][ T74] inet6_addr_add+0x12f/0xa40 [ 1889.300827][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1889.300827][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1889.300827][ T74] netlink_rcv_skb+0x130/0x360 [ 1889.300827][ T74] netlink_unicast+0x449/0x710 [ 1889.300827][ T74] netlink_sendmsg+0x723/0xbe0 [ 1889.300827][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1889.300827][ T74] ___sys_sendmsg+0xee/0x170 [ 1889.300827][ T74] __sys_sendmsg+0xcd/0x170 [ 1889.300827][ T74] do_syscall_64+0xc6/0x1e0 [ 1889.300827][ T74] [ 1889.302808][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1889.302808][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1889.302808][ T74] ipv6_find_idev+0x102/0x170 [ 1889.302808][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1889.302808][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1889.302808][ T74] netlink_rcv_skb+0x130/0x360 [ 1889.302808][ T74] netlink_unicast+0x449/0x710 [ 1889.302808][ T74] netlink_sendmsg+0x723/0xbe0 [ 1889.302808][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1889.302808][ T74] ___sys_sendmsg+0xee/0x170 [ 1889.302808][ T74] __sys_sendmsg+0xcd/0x170 [ 1889.302808][ T74] do_syscall_64+0xc6/0x1e0 [ 1889.302808][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1889.302808][ T74] [ 1889.304370][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1889.304370][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1889.304370][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1889.304370][ T74] ipv6_find_idev+0x102/0x170 [ 1889.304370][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1889.304370][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1889.304370][ T74] netlink_rcv_skb+0x130/0x360 [ 1889.304370][ T74] netlink_unicast+0x449/0x710 [ 1889.304370][ T74] netlink_sendmsg+0x723/0xbe0 [ 1889.304370][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1889.304370][ T74] ___sys_sendmsg+0xee/0x170 [ 1889.304370][ T74] __sys_sendmsg+0xcd/0x170 [ 1889.304370][ T74] do_syscall_64+0xc6/0x1e0 [ 1889.304370][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1889.304370][ T74] [ 1889.306182][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1889.306466][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1889.306466][ T74] dst_init+0x84/0x4a0 [ 1889.306466][ T74] dst_alloc+0x97/0x150 [ 1889.306466][ T74] ip6_dst_alloc+0x23/0x90 [ 1889.306466][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1889.306466][ T74] ip6_pol_route+0x56f/0x840 [ 1889.306466][ T74] fib6_rule_lookup+0x456/0x630 [ 1889.306466][ T74] ip6_route_input+0x59c/0xa50 [ 1889.306466][ T74] ipv6_rcv+0x397/0x810 [ 1889.306466][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1889.306466][ T74] process_backlog+0x101/0x620 [ 1889.306466][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1889.306466][ T74] net_rx_action+0x495/0xbe0 [ 1889.306466][ T74] __do_softirq+0x1b5/0x7f6 [ 1889.306466][ T74] [ 1889.308126][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1889.308126][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1889.308126][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1889.308126][ T74] fib6_nh_init+0xa22/0x1580 [ 1889.308126][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1889.308126][ T74] ip6_route_add+0x1c/0x140 [ 1889.308126][ T74] inet6_rtm_newroute+0x104/0x110 [ 1889.308126][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1889.308126][ T74] netlink_rcv_skb+0x130/0x360 [ 1889.308126][ T74] netlink_unicast+0x449/0x710 [ 1889.308126][ T74] netlink_sendmsg+0x723/0xbe0 [ 1889.308126][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1889.308126][ T74] ___sys_sendmsg+0xee/0x170 [ 1889.308126][ T74] __sys_sendmsg+0xcd/0x170 [ 1889.308126][ T74] do_syscall_64+0xc6/0x1e0 [ 1889.308126][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1889.308126][ T74] [ 1889.310036][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1889.310036][ T74] netdev_get_by_index+0x5e/0x80 [ 1889.310036][ T74] fib6_nh_init+0x3d8/0x1580 [ 1889.310036][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1889.310036][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1889.310036][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1889.310036][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1889.310036][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1889.310036][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1889.310036][ T74] addrconf_dad_begin+0x310/0x670 [ 1889.310036][ T74] addrconf_dad_work+0x10b/0xab0 [ 1889.310036][ T74] process_one_work+0x84d/0x18a0 [ 1889.310036][ T74] worker_thread+0x587/0xd30 [ 1889.310036][ T74] kthread+0x28a/0x350 [ 1889.310036][ T74] ret_from_fork+0x31/0x70 [ 1889.310036][ T74] ret_from_fork_asm+0x1a/0x30 [ 1889.310036][ T74] [ 1889.312006][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1889.312006][ T74] netdev_get_by_index+0x5e/0x80 [ 1889.312006][ T74] fib6_nh_init+0x3d8/0x1580 [ 1889.312006][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1889.312006][ T74] ip6_route_add+0x1c/0x140 [ 1889.312006][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1889.312006][ T74] inet6_addr_add+0x4f8/0xa40 [ 1889.312006][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1889.312006][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1889.312006][ T74] netlink_rcv_skb+0x130/0x360 [ 1889.312006][ T74] netlink_unicast+0x449/0x710 [ 1889.312006][ T74] netlink_sendmsg+0x723/0xbe0 [ 1889.312006][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1889.312006][ T74] ___sys_sendmsg+0xee/0x170 [ 1889.312006][ T74] __sys_sendmsg+0xcd/0x170 [ 1889.312006][ T74] do_syscall_64+0xc6/0x1e0 [ 1889.312006][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1889.312006][ T74] [ 1889.314027][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1889.314027][ T74] netdev_get_by_index+0x5e/0x80 [ 1889.314027][ T74] fib6_nh_init+0x3d8/0x1580 [ 1889.314027][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1889.314027][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1889.314027][ T74] ipv6_add_addr+0x411/0x2000 [ 1889.314027][ T74] inet6_addr_add+0x30e/0xa40 [ 1889.314027][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1889.314027][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1889.314027][ T74] netlink_rcv_skb+0x130/0x360 [ 1889.314027][ T74] netlink_unicast+0x449/0x710 [ 1889.314027][ T74] netlink_sendmsg+0x723/0xbe0 [ 1889.314027][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1889.314027][ T74] ___sys_sendmsg+0xee/0x170 [ 1889.314027][ T74] __sys_sendmsg+0xcd/0x170 [ 1889.314027][ T74] do_syscall_64+0xc6/0x1e0 [ 1889.314027][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1889.314027][ T74] [ 1889.316195][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1889.316195][ T74] netdev_get_by_index+0x5e/0x80 [ 1889.316195][ T74] fib6_nh_init+0x3d8/0x1580 [ 1889.316195][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1889.316195][ T74] ip6_route_add+0x1c/0x140 [ 1889.316195][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1889.316195][ T74] addrconf_add_dev+0xe2/0x170 [ 1889.316195][ T74] inet6_addr_add+0x12f/0xa40 [ 1889.316195][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1889.316195][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1889.316195][ T74] netlink_rcv_skb+0x130/0x360 [ 1889.316195][ T74] netlink_unicast+0x449/0x710 [ 1889.316195][ T74] netlink_sendmsg+0x723/0xbe0 [ 1889.316195][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1889.316195][ T74] ___sys_sendmsg+0xee/0x170 [ 1889.316195][ T74] __sys_sendmsg+0xcd/0x170 [ 1889.316195][ T74] do_syscall_64+0xc6/0x1e0 [ 1889.316195][ T74] [ 1889.318181][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1889.318181][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1889.318181][ T74] ipv6_find_idev+0x102/0x170 [ 1889.318181][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1889.318181][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1889.318181][ T74] netlink_rcv_skb+0x130/0x360 [ 1889.318181][ T74] netlink_unicast+0x449/0x710 [ 1889.318181][ T74] netlink_sendmsg+0x723/0xbe0 [ 1889.318181][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1889.318181][ T74] ___sys_sendmsg+0xee/0x170 [ 1889.318181][ T74] __sys_sendmsg+0xcd/0x170 [ 1889.318181][ T74] do_syscall_64+0xc6/0x1e0 [ 1889.318181][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1889.318181][ T74] [ 1889.319873][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1889.319873][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1889.319873][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1889.319873][ T74] ipv6_find_idev+0x102/0x170 [ 1889.319873][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1889.319873][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1889.319873][ T74] netlink_rcv_skb+0x130/0x360 [ 1889.319873][ T74] netlink_unicast+0x449/0x710 [ 1889.319873][ T74] netlink_sendmsg+0x723/0xbe0 [ 1889.319873][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1889.319873][ T74] ___sys_sendmsg+0xee/0x170 [ 1889.319873][ T74] __sys_sendmsg+0xcd/0x170 [ 1889.319873][ T74] do_syscall_64+0xc6/0x1e0 [ 1889.319873][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1889.319873][ T74] [ 1889.321878][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1889.322122][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1889.322122][ T74] netdev_get_by_index+0x5e/0x80 [ 1889.322122][ T74] fib6_nh_init+0x3d8/0x1580 [ 1889.322122][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1889.322122][ T74] ip6_route_add+0x1c/0x140 [ 1889.322122][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1889.322122][ T74] inet6_addr_add+0x4f8/0xa40 [ 1889.322122][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1889.322122][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1889.322122][ T74] netlink_rcv_skb+0x130/0x360 [ 1889.322122][ T74] netlink_unicast+0x449/0x710 [ 1889.322122][ T74] netlink_sendmsg+0x723/0xbe0 [ 1889.322122][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1889.322122][ T74] ___sys_sendmsg+0xee/0x170 [ 1889.322122][ T74] __sys_sendmsg+0xcd/0x170 [ 1889.322122][ T74] do_syscall_64+0xc6/0x1e0 [ 1889.322122][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1889.322122][ T74] [ 1889.324783][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1889.324783][ T74] netdev_get_by_index+0x5e/0x80 [ 1889.324783][ T74] fib6_nh_init+0x3d8/0x1580 [ 1889.324783][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1889.324783][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1889.324783][ T74] ipv6_add_addr+0x411/0x2000 [ 1889.324783][ T74] inet6_addr_add+0x30e/0xa40 [ 1889.324783][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1889.324783][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1889.324783][ T74] netlink_rcv_skb+0x130/0x360 [ 1889.324783][ T74] netlink_unicast+0x449/0x710 [ 1889.324783][ T74] netlink_sendmsg+0x723/0xbe0 [ 1889.324783][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1889.324783][ T74] ___sys_sendmsg+0xee/0x170 [ 1889.324783][ T74] __sys_sendmsg+0xcd/0x170 [ 1889.324783][ T74] do_syscall_64+0xc6/0x1e0 [ 1889.324783][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1889.324783][ T74] [ 1889.327033][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1889.327033][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1889.327033][ T74] ipv6_find_idev+0x102/0x170 [ 1889.327033][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1889.327033][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1889.327033][ T74] netlink_rcv_skb+0x130/0x360 [ 1889.327033][ T74] netlink_unicast+0x449/0x710 [ 1889.327033][ T74] netlink_sendmsg+0x723/0xbe0 [ 1889.327033][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1889.327033][ T74] ___sys_sendmsg+0xee/0x170 [ 1889.327033][ T74] __sys_sendmsg+0xcd/0x170 [ 1889.327033][ T74] do_syscall_64+0xc6/0x1e0 [ 1889.327033][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1889.327033][ T74] [ 1889.328711][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1889.328711][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1889.328711][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1889.328711][ T74] ipv6_find_idev+0x102/0x170 [ 1889.328711][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1889.328711][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1889.328711][ T74] netlink_rcv_skb+0x130/0x360 [ 1889.328711][ T74] netlink_unicast+0x449/0x710 [ 1889.328711][ T74] netlink_sendmsg+0x723/0xbe0 [ 1889.328711][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1889.328711][ T74] ___sys_sendmsg+0xee/0x170 [ 1889.328711][ T74] __sys_sendmsg+0xcd/0x170 [ 1889.328711][ T74] do_syscall_64+0xc6/0x1e0 [ 1889.328711][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1889.328711][ T74] [ 1899.520037][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1899.520459][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1899.520459][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1899.520459][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1899.520459][ T74] fib6_nh_init+0xa22/0x1580 [ 1899.520459][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1899.520459][ T74] ip6_route_add+0x1c/0x140 [ 1899.520459][ T74] inet6_rtm_newroute+0x104/0x110 [ 1899.520459][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1899.520459][ T74] netlink_rcv_skb+0x130/0x360 [ 1899.520459][ T74] netlink_unicast+0x449/0x710 [ 1899.520459][ T74] netlink_sendmsg+0x723/0xbe0 [ 1899.520459][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1899.520459][ T74] ___sys_sendmsg+0xee/0x170 [ 1899.520459][ T74] __sys_sendmsg+0xcd/0x170 [ 1899.520459][ T74] do_syscall_64+0xc6/0x1e0 [ 1899.520459][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1899.520459][ T74] [ 1899.522422][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1899.522422][ T74] netdev_get_by_index+0x5e/0x80 [ 1899.522422][ T74] fib6_nh_init+0x3d8/0x1580 [ 1899.522422][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1899.522422][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1899.522422][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1899.522422][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1899.522422][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1899.522422][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1899.522422][ T74] addrconf_dad_begin+0x310/0x670 [ 1899.522422][ T74] addrconf_dad_work+0x10b/0xab0 [ 1899.522422][ T74] process_one_work+0x84d/0x18a0 [ 1899.522422][ T74] worker_thread+0x587/0xd30 [ 1899.522422][ T74] kthread+0x28a/0x350 [ 1899.522422][ T74] ret_from_fork+0x31/0x70 [ 1899.522422][ T74] ret_from_fork_asm+0x1a/0x30 [ 1899.522422][ T74] [ 1899.524400][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1899.524400][ T74] netdev_get_by_index+0x5e/0x80 [ 1899.524400][ T74] fib6_nh_init+0x3d8/0x1580 [ 1899.524400][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1899.524400][ T74] ip6_route_add+0x1c/0x140 [ 1899.524400][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1899.524400][ T74] inet6_addr_add+0x4f8/0xa40 [ 1899.524400][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1899.524400][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1899.524400][ T74] netlink_rcv_skb+0x130/0x360 [ 1899.524400][ T74] netlink_unicast+0x449/0x710 [ 1899.524400][ T74] netlink_sendmsg+0x723/0xbe0 [ 1899.524400][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1899.524400][ T74] ___sys_sendmsg+0xee/0x170 [ 1899.524400][ T74] __sys_sendmsg+0xcd/0x170 [ 1899.524400][ T74] do_syscall_64+0xc6/0x1e0 [ 1899.524400][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1899.524400][ T74] [ 1899.526454][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1899.526454][ T74] netdev_get_by_index+0x5e/0x80 [ 1899.526454][ T74] fib6_nh_init+0x3d8/0x1580 [ 1899.526454][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1899.526454][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1899.526454][ T74] ipv6_add_addr+0x411/0x2000 [ 1899.526454][ T74] inet6_addr_add+0x30e/0xa40 [ 1899.526454][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1899.526454][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1899.526454][ T74] netlink_rcv_skb+0x130/0x360 [ 1899.526454][ T74] netlink_unicast+0x449/0x710 [ 1899.526454][ T74] netlink_sendmsg+0x723/0xbe0 [ 1899.526454][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1899.526454][ T74] ___sys_sendmsg+0xee/0x170 [ 1899.526454][ T74] __sys_sendmsg+0xcd/0x170 [ 1899.526454][ T74] do_syscall_64+0xc6/0x1e0 [ 1899.526454][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1899.526454][ T74] [ 1899.528501][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1899.528501][ T74] netdev_get_by_index+0x5e/0x80 [ 1899.528501][ T74] fib6_nh_init+0x3d8/0x1580 [ 1899.528501][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1899.528501][ T74] ip6_route_add+0x1c/0x140 [ 1899.528501][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1899.528501][ T74] addrconf_add_dev+0xe2/0x170 [ 1899.528501][ T74] inet6_addr_add+0x12f/0xa40 [ 1899.528501][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1899.528501][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1899.528501][ T74] netlink_rcv_skb+0x130/0x360 [ 1899.528501][ T74] netlink_unicast+0x449/0x710 [ 1899.528501][ T74] netlink_sendmsg+0x723/0xbe0 [ 1899.528501][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1899.528501][ T74] ___sys_sendmsg+0xee/0x170 [ 1899.528501][ T74] __sys_sendmsg+0xcd/0x170 [ 1899.528501][ T74] do_syscall_64+0xc6/0x1e0 [ 1899.528501][ T74] [ 1899.530517][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1899.530517][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1899.530517][ T74] ipv6_find_idev+0x102/0x170 [ 1899.530517][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1899.530517][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1899.530517][ T74] netlink_rcv_skb+0x130/0x360 [ 1899.530517][ T74] netlink_unicast+0x449/0x710 [ 1899.530517][ T74] netlink_sendmsg+0x723/0xbe0 [ 1899.530517][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1899.530517][ T74] ___sys_sendmsg+0xee/0x170 [ 1899.530517][ T74] __sys_sendmsg+0xcd/0x170 [ 1899.530517][ T74] do_syscall_64+0xc6/0x1e0 [ 1899.530517][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1899.530517][ T74] [ 1899.532113][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1899.532113][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1899.532113][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1899.532113][ T74] ipv6_find_idev+0x102/0x170 [ 1899.532113][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1899.532113][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1899.532113][ T74] netlink_rcv_skb+0x130/0x360 [ 1899.532113][ T74] netlink_unicast+0x449/0x710 [ 1899.532113][ T74] netlink_sendmsg+0x723/0xbe0 [ 1899.532113][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1899.532113][ T74] ___sys_sendmsg+0xee/0x170 [ 1899.532113][ T74] __sys_sendmsg+0xcd/0x170 [ 1899.532113][ T74] do_syscall_64+0xc6/0x1e0 [ 1899.532113][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1899.532113][ T74] [ 1899.533952][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1899.534261][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1899.534261][ T74] dst_init+0x84/0x4a0 [ 1899.534261][ T74] dst_alloc+0x97/0x150 [ 1899.534261][ T74] ip6_dst_alloc+0x23/0x90 [ 1899.534261][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1899.534261][ T74] ip6_pol_route+0x56f/0x840 [ 1899.534261][ T74] fib6_rule_lookup+0x456/0x630 [ 1899.534261][ T74] ip6_route_input+0x59c/0xa50 [ 1899.534261][ T74] ipv6_rcv+0x397/0x810 [ 1899.534261][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1899.534261][ T74] process_backlog+0x101/0x620 [ 1899.534261][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1899.534261][ T74] net_rx_action+0x495/0xbe0 [ 1899.534261][ T74] __do_softirq+0x1b5/0x7f6 [ 1899.534261][ T74] [ 1899.536038][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1899.536038][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1899.536038][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1899.536038][ T74] fib6_nh_init+0xa22/0x1580 [ 1899.536038][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1899.536038][ T74] ip6_route_add+0x1c/0x140 [ 1899.536038][ T74] inet6_rtm_newroute+0x104/0x110 [ 1899.536038][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1899.536038][ T74] netlink_rcv_skb+0x130/0x360 [ 1899.536038][ T74] netlink_unicast+0x449/0x710 [ 1899.536038][ T74] netlink_sendmsg+0x723/0xbe0 [ 1899.536038][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1899.536038][ T74] ___sys_sendmsg+0xee/0x170 [ 1899.536038][ T74] __sys_sendmsg+0xcd/0x170 [ 1899.536038][ T74] do_syscall_64+0xc6/0x1e0 [ 1899.536038][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1899.536038][ T74] [ 1899.538101][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1899.538101][ T74] netdev_get_by_index+0x5e/0x80 [ 1899.538101][ T74] fib6_nh_init+0x3d8/0x1580 [ 1899.538101][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1899.538101][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1899.538101][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1899.538101][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1899.538101][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1899.538101][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1899.538101][ T74] addrconf_dad_begin+0x310/0x670 [ 1899.538101][ T74] addrconf_dad_work+0x10b/0xab0 [ 1899.538101][ T74] process_one_work+0x84d/0x18a0 [ 1899.538101][ T74] worker_thread+0x587/0xd30 [ 1899.538101][ T74] kthread+0x28a/0x350 [ 1899.538101][ T74] ret_from_fork+0x31/0x70 [ 1899.538101][ T74] ret_from_fork_asm+0x1a/0x30 [ 1899.538101][ T74] [ 1899.540198][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1899.540198][ T74] netdev_get_by_index+0x5e/0x80 [ 1899.540198][ T74] fib6_nh_init+0x3d8/0x1580 [ 1899.540198][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1899.540198][ T74] ip6_route_add+0x1c/0x140 [ 1899.540198][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1899.540198][ T74] inet6_addr_add+0x4f8/0xa40 [ 1899.540198][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1899.540198][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1899.540198][ T74] netlink_rcv_skb+0x130/0x360 [ 1899.540198][ T74] netlink_unicast+0x449/0x710 [ 1899.540198][ T74] netlink_sendmsg+0x723/0xbe0 [ 1899.540198][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1899.540198][ T74] ___sys_sendmsg+0xee/0x170 [ 1899.540198][ T74] __sys_sendmsg+0xcd/0x170 [ 1899.540198][ T74] do_syscall_64+0xc6/0x1e0 [ 1899.540198][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1899.540198][ T74] [ 1899.542377][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1899.542377][ T74] netdev_get_by_index+0x5e/0x80 [ 1899.542377][ T74] fib6_nh_init+0x3d8/0x1580 [ 1899.542377][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1899.542377][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1899.542377][ T74] ipv6_add_addr+0x411/0x2000 [ 1899.542377][ T74] inet6_addr_add+0x30e/0xa40 [ 1899.542377][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1899.542377][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1899.542377][ T74] netlink_rcv_skb+0x130/0x360 [ 1899.542377][ T74] netlink_unicast+0x449/0x710 [ 1899.542377][ T74] netlink_sendmsg+0x723/0xbe0 [ 1899.542377][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1899.542377][ T74] ___sys_sendmsg+0xee/0x170 [ 1899.542377][ T74] __sys_sendmsg+0xcd/0x170 [ 1899.542377][ T74] do_syscall_64+0xc6/0x1e0 [ 1899.542377][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1899.542377][ T74] [ 1899.544487][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1899.544487][ T74] netdev_get_by_index+0x5e/0x80 [ 1899.544487][ T74] fib6_nh_init+0x3d8/0x1580 [ 1899.544487][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1899.544487][ T74] ip6_route_add+0x1c/0x140 [ 1899.544487][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1899.544487][ T74] addrconf_add_dev+0xe2/0x170 [ 1899.544487][ T74] inet6_addr_add+0x12f/0xa40 [ 1899.544487][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1899.544487][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1899.544487][ T74] netlink_rcv_skb+0x130/0x360 [ 1899.544487][ T74] netlink_unicast+0x449/0x710 [ 1899.544487][ T74] netlink_sendmsg+0x723/0xbe0 [ 1899.544487][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1899.544487][ T74] ___sys_sendmsg+0xee/0x170 [ 1899.544487][ T74] __sys_sendmsg+0xcd/0x170 [ 1899.544487][ T74] do_syscall_64+0xc6/0x1e0 [ 1899.544487][ T74] [ 1899.546634][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1899.546634][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1899.546634][ T74] ipv6_find_idev+0x102/0x170 [ 1899.546634][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1899.546634][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1899.546634][ T74] netlink_rcv_skb+0x130/0x360 [ 1899.546634][ T74] netlink_unicast+0x449/0x710 [ 1899.546634][ T74] netlink_sendmsg+0x723/0xbe0 [ 1899.546634][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1899.546634][ T74] ___sys_sendmsg+0xee/0x170 [ 1899.546634][ T74] __sys_sendmsg+0xcd/0x170 [ 1899.546634][ T74] do_syscall_64+0xc6/0x1e0 [ 1899.546634][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1899.546634][ T74] [ 1899.548489][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1899.548489][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1899.548489][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1899.548489][ T74] ipv6_find_idev+0x102/0x170 [ 1899.548489][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1899.548489][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1899.548489][ T74] netlink_rcv_skb+0x130/0x360 [ 1899.548489][ T74] netlink_unicast+0x449/0x710 [ 1899.548489][ T74] netlink_sendmsg+0x723/0xbe0 [ 1899.548489][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1899.548489][ T74] ___sys_sendmsg+0xee/0x170 [ 1899.548489][ T74] __sys_sendmsg+0xcd/0x170 [ 1899.548489][ T74] do_syscall_64+0xc6/0x1e0 [ 1899.548489][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1899.548489][ T74] [ 1899.550660][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1899.550988][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1899.550988][ T74] netdev_get_by_index+0x5e/0x80 [ 1899.550988][ T74] fib6_nh_init+0x3d8/0x1580 [ 1899.550988][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1899.550988][ T74] ip6_route_add+0x1c/0x140 [ 1899.550988][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1899.550988][ T74] inet6_addr_add+0x4f8/0xa40 [ 1899.550988][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1899.550988][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1899.550988][ T74] netlink_rcv_skb+0x130/0x360 [ 1899.550988][ T74] netlink_unicast+0x449/0x710 [ 1899.550988][ T74] netlink_sendmsg+0x723/0xbe0 [ 1899.550988][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1899.550988][ T74] ___sys_sendmsg+0xee/0x170 [ 1899.550988][ T74] __sys_sendmsg+0xcd/0x170 [ 1899.550988][ T74] do_syscall_64+0xc6/0x1e0 [ 1899.550988][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1899.550988][ T74] [ 1899.553236][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1899.553236][ T74] netdev_get_by_index+0x5e/0x80 [ 1899.553236][ T74] fib6_nh_init+0x3d8/0x1580 [ 1899.553236][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1899.553236][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1899.553236][ T74] ipv6_add_addr+0x411/0x2000 [ 1899.553236][ T74] inet6_addr_add+0x30e/0xa40 [ 1899.553236][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1899.553236][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1899.553236][ T74] netlink_rcv_skb+0x130/0x360 [ 1899.553236][ T74] netlink_unicast+0x449/0x710 [ 1899.553236][ T74] netlink_sendmsg+0x723/0xbe0 [ 1899.553236][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1899.553236][ T74] ___sys_sendmsg+0xee/0x170 [ 1899.553236][ T74] __sys_sendmsg+0xcd/0x170 [ 1899.553236][ T74] do_syscall_64+0xc6/0x1e0 [ 1899.553236][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1899.553236][ T74] [ 1899.555524][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1899.555524][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1899.555524][ T74] ipv6_find_idev+0x102/0x170 [ 1899.555524][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1899.555524][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1899.555524][ T74] netlink_rcv_skb+0x130/0x360 [ 1899.555524][ T74] netlink_unicast+0x449/0x710 [ 1899.555524][ T74] netlink_sendmsg+0x723/0xbe0 [ 1899.555524][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1899.555524][ T74] ___sys_sendmsg+0xee/0x170 [ 1899.555524][ T74] __sys_sendmsg+0xcd/0x170 [ 1899.555524][ T74] do_syscall_64+0xc6/0x1e0 [ 1899.555524][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1899.555524][ T74] [ 1899.557330][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1899.557330][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1899.557330][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1899.557330][ T74] ipv6_find_idev+0x102/0x170 [ 1899.557330][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1899.557330][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1899.557330][ T74] netlink_rcv_skb+0x130/0x360 [ 1899.557330][ T74] netlink_unicast+0x449/0x710 [ 1899.557330][ T74] netlink_sendmsg+0x723/0xbe0 [ 1899.557330][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1899.557330][ T74] ___sys_sendmsg+0xee/0x170 [ 1899.557330][ T74] __sys_sendmsg+0xcd/0x170 [ 1899.557330][ T74] do_syscall_64+0xc6/0x1e0 [ 1899.557330][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1899.557330][ T74] [ 1909.799971][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1909.800394][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1909.800394][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1909.800394][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1909.800394][ T74] fib6_nh_init+0xa22/0x1580 [ 1909.800394][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1909.800394][ T74] ip6_route_add+0x1c/0x140 [ 1909.800394][ T74] inet6_rtm_newroute+0x104/0x110 [ 1909.800394][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1909.800394][ T74] netlink_rcv_skb+0x130/0x360 [ 1909.800394][ T74] netlink_unicast+0x449/0x710 [ 1909.800394][ T74] netlink_sendmsg+0x723/0xbe0 [ 1909.800394][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1909.800394][ T74] ___sys_sendmsg+0xee/0x170 [ 1909.800394][ T74] __sys_sendmsg+0xcd/0x170 [ 1909.800394][ T74] do_syscall_64+0xc6/0x1e0 [ 1909.800394][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1909.800394][ T74] [ 1909.802389][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1909.802389][ T74] netdev_get_by_index+0x5e/0x80 [ 1909.802389][ T74] fib6_nh_init+0x3d8/0x1580 [ 1909.802389][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1909.802389][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1909.802389][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1909.802389][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1909.802389][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1909.802389][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1909.802389][ T74] addrconf_dad_begin+0x310/0x670 [ 1909.802389][ T74] addrconf_dad_work+0x10b/0xab0 [ 1909.802389][ T74] process_one_work+0x84d/0x18a0 [ 1909.802389][ T74] worker_thread+0x587/0xd30 [ 1909.802389][ T74] kthread+0x28a/0x350 [ 1909.802389][ T74] ret_from_fork+0x31/0x70 [ 1909.802389][ T74] ret_from_fork_asm+0x1a/0x30 [ 1909.802389][ T74] [ 1909.804353][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1909.804353][ T74] netdev_get_by_index+0x5e/0x80 [ 1909.804353][ T74] fib6_nh_init+0x3d8/0x1580 [ 1909.804353][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1909.804353][ T74] ip6_route_add+0x1c/0x140 [ 1909.804353][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1909.804353][ T74] inet6_addr_add+0x4f8/0xa40 [ 1909.804353][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1909.804353][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1909.804353][ T74] netlink_rcv_skb+0x130/0x360 [ 1909.804353][ T74] netlink_unicast+0x449/0x710 [ 1909.804353][ T74] netlink_sendmsg+0x723/0xbe0 [ 1909.804353][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1909.804353][ T74] ___sys_sendmsg+0xee/0x170 [ 1909.804353][ T74] __sys_sendmsg+0xcd/0x170 [ 1909.804353][ T74] do_syscall_64+0xc6/0x1e0 [ 1909.804353][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1909.804353][ T74] [ 1909.806411][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1909.806411][ T74] netdev_get_by_index+0x5e/0x80 [ 1909.806411][ T74] fib6_nh_init+0x3d8/0x1580 [ 1909.806411][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1909.806411][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1909.806411][ T74] ipv6_add_addr+0x411/0x2000 [ 1909.806411][ T74] inet6_addr_add+0x30e/0xa40 [ 1909.806411][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1909.806411][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1909.806411][ T74] netlink_rcv_skb+0x130/0x360 [ 1909.806411][ T74] netlink_unicast+0x449/0x710 [ 1909.806411][ T74] netlink_sendmsg+0x723/0xbe0 [ 1909.806411][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1909.806411][ T74] ___sys_sendmsg+0xee/0x170 [ 1909.806411][ T74] __sys_sendmsg+0xcd/0x170 [ 1909.806411][ T74] do_syscall_64+0xc6/0x1e0 [ 1909.806411][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1909.806411][ T74] [ 1909.808488][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1909.808488][ T74] netdev_get_by_index+0x5e/0x80 [ 1909.808488][ T74] fib6_nh_init+0x3d8/0x1580 [ 1909.808488][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1909.808488][ T74] ip6_route_add+0x1c/0x140 [ 1909.808488][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1909.808488][ T74] addrconf_add_dev+0xe2/0x170 [ 1909.808488][ T74] inet6_addr_add+0x12f/0xa40 [ 1909.808488][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1909.808488][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1909.808488][ T74] netlink_rcv_skb+0x130/0x360 [ 1909.808488][ T74] netlink_unicast+0x449/0x710 [ 1909.808488][ T74] netlink_sendmsg+0x723/0xbe0 [ 1909.808488][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1909.808488][ T74] ___sys_sendmsg+0xee/0x170 [ 1909.808488][ T74] __sys_sendmsg+0xcd/0x170 [ 1909.808488][ T74] do_syscall_64+0xc6/0x1e0 [ 1909.808488][ T74] [ 1909.810517][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1909.810517][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1909.810517][ T74] ipv6_find_idev+0x102/0x170 [ 1909.810517][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1909.810517][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1909.810517][ T74] netlink_rcv_skb+0x130/0x360 [ 1909.810517][ T74] netlink_unicast+0x449/0x710 [ 1909.810517][ T74] netlink_sendmsg+0x723/0xbe0 [ 1909.810517][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1909.810517][ T74] ___sys_sendmsg+0xee/0x170 [ 1909.810517][ T74] __sys_sendmsg+0xcd/0x170 [ 1909.810517][ T74] do_syscall_64+0xc6/0x1e0 [ 1909.810517][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1909.810517][ T74] [ 1909.812224][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1909.812224][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1909.812224][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1909.812224][ T74] ipv6_find_idev+0x102/0x170 [ 1909.812224][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1909.812224][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1909.812224][ T74] netlink_rcv_skb+0x130/0x360 [ 1909.812224][ T74] netlink_unicast+0x449/0x710 [ 1909.812224][ T74] netlink_sendmsg+0x723/0xbe0 [ 1909.812224][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1909.812224][ T74] ___sys_sendmsg+0xee/0x170 [ 1909.812224][ T74] __sys_sendmsg+0xcd/0x170 [ 1909.812224][ T74] do_syscall_64+0xc6/0x1e0 [ 1909.812224][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1909.812224][ T74] [ 1909.813991][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1909.814282][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1909.814282][ T74] dst_init+0x84/0x4a0 [ 1909.814282][ T74] dst_alloc+0x97/0x150 [ 1909.814282][ T74] ip6_dst_alloc+0x23/0x90 [ 1909.814282][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1909.814282][ T74] ip6_pol_route+0x56f/0x840 [ 1909.814282][ T74] fib6_rule_lookup+0x456/0x630 [ 1909.814282][ T74] ip6_route_input+0x59c/0xa50 [ 1909.814282][ T74] ipv6_rcv+0x397/0x810 [ 1909.814282][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1909.814282][ T74] process_backlog+0x101/0x620 [ 1909.814282][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1909.814282][ T74] net_rx_action+0x495/0xbe0 [ 1909.814282][ T74] __do_softirq+0x1b5/0x7f6 [ 1909.814282][ T74] [ 1909.815954][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1909.815954][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1909.815954][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1909.815954][ T74] fib6_nh_init+0xa22/0x1580 [ 1909.815954][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1909.815954][ T74] ip6_route_add+0x1c/0x140 [ 1909.815954][ T74] inet6_rtm_newroute+0x104/0x110 [ 1909.815954][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1909.815954][ T74] netlink_rcv_skb+0x130/0x360 [ 1909.815954][ T74] netlink_unicast+0x449/0x710 [ 1909.815954][ T74] netlink_sendmsg+0x723/0xbe0 [ 1909.815954][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1909.815954][ T74] ___sys_sendmsg+0xee/0x170 [ 1909.815954][ T74] __sys_sendmsg+0xcd/0x170 [ 1909.815954][ T74] do_syscall_64+0xc6/0x1e0 [ 1909.815954][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1909.815954][ T74] [ 1909.817879][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1909.817879][ T74] netdev_get_by_index+0x5e/0x80 [ 1909.817879][ T74] fib6_nh_init+0x3d8/0x1580 [ 1909.817879][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1909.817879][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1909.817879][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1909.817879][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1909.817879][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1909.817879][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1909.817879][ T74] addrconf_dad_begin+0x310/0x670 [ 1909.817879][ T74] addrconf_dad_work+0x10b/0xab0 [ 1909.817879][ T74] process_one_work+0x84d/0x18a0 [ 1909.817879][ T74] worker_thread+0x587/0xd30 [ 1909.817879][ T74] kthread+0x28a/0x350 [ 1909.817879][ T74] ret_from_fork+0x31/0x70 [ 1909.817879][ T74] ret_from_fork_asm+0x1a/0x30 [ 1909.817879][ T74] [ 1909.819840][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1909.819840][ T74] netdev_get_by_index+0x5e/0x80 [ 1909.819840][ T74] fib6_nh_init+0x3d8/0x1580 [ 1909.819840][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1909.819840][ T74] ip6_route_add+0x1c/0x140 [ 1909.819840][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1909.819840][ T74] inet6_addr_add+0x4f8/0xa40 [ 1909.819840][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1909.819840][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1909.819840][ T74] netlink_rcv_skb+0x130/0x360 [ 1909.819840][ T74] netlink_unicast+0x449/0x710 [ 1909.819840][ T74] netlink_sendmsg+0x723/0xbe0 [ 1909.819840][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1909.819840][ T74] ___sys_sendmsg+0xee/0x170 [ 1909.819840][ T74] __sys_sendmsg+0xcd/0x170 [ 1909.819840][ T74] do_syscall_64+0xc6/0x1e0 [ 1909.819840][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1909.819840][ T74] [ 1909.821878][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1909.821878][ T74] netdev_get_by_index+0x5e/0x80 [ 1909.821878][ T74] fib6_nh_init+0x3d8/0x1580 [ 1909.821878][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1909.821878][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1909.821878][ T74] ipv6_add_addr+0x411/0x2000 [ 1909.821878][ T74] inet6_addr_add+0x30e/0xa40 [ 1909.821878][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1909.821878][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1909.821878][ T74] netlink_rcv_skb+0x130/0x360 [ 1909.821878][ T74] netlink_unicast+0x449/0x710 [ 1909.821878][ T74] netlink_sendmsg+0x723/0xbe0 [ 1909.821878][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1909.821878][ T74] ___sys_sendmsg+0xee/0x170 [ 1909.821878][ T74] __sys_sendmsg+0xcd/0x170 [ 1909.821878][ T74] do_syscall_64+0xc6/0x1e0 [ 1909.821878][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1909.821878][ T74] [ 1909.823918][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1909.823918][ T74] netdev_get_by_index+0x5e/0x80 [ 1909.823918][ T74] fib6_nh_init+0x3d8/0x1580 [ 1909.823918][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1909.823918][ T74] ip6_route_add+0x1c/0x140 [ 1909.823918][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1909.823918][ T74] addrconf_add_dev+0xe2/0x170 [ 1909.823918][ T74] inet6_addr_add+0x12f/0xa40 [ 1909.823918][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1909.823918][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1909.823918][ T74] netlink_rcv_skb+0x130/0x360 [ 1909.823918][ T74] netlink_unicast+0x449/0x710 [ 1909.823918][ T74] netlink_sendmsg+0x723/0xbe0 [ 1909.823918][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1909.823918][ T74] ___sys_sendmsg+0xee/0x170 [ 1909.823918][ T74] __sys_sendmsg+0xcd/0x170 [ 1909.823918][ T74] do_syscall_64+0xc6/0x1e0 [ 1909.823918][ T74] [ 1909.825924][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1909.825924][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1909.825924][ T74] ipv6_find_idev+0x102/0x170 [ 1909.825924][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1909.825924][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1909.825924][ T74] netlink_rcv_skb+0x130/0x360 [ 1909.825924][ T74] netlink_unicast+0x449/0x710 [ 1909.825924][ T74] netlink_sendmsg+0x723/0xbe0 [ 1909.825924][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1909.825924][ T74] ___sys_sendmsg+0xee/0x170 [ 1909.825924][ T74] __sys_sendmsg+0xcd/0x170 [ 1909.825924][ T74] do_syscall_64+0xc6/0x1e0 [ 1909.825924][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1909.825924][ T74] [ 1909.827887][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1909.827887][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1909.827887][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1909.827887][ T74] ipv6_find_idev+0x102/0x170 [ 1909.827887][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1909.827887][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1909.827887][ T74] netlink_rcv_skb+0x130/0x360 [ 1909.827887][ T74] netlink_unicast+0x449/0x710 [ 1909.827887][ T74] netlink_sendmsg+0x723/0xbe0 [ 1909.827887][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1909.827887][ T74] ___sys_sendmsg+0xee/0x170 [ 1909.827887][ T74] __sys_sendmsg+0xcd/0x170 [ 1909.827887][ T74] do_syscall_64+0xc6/0x1e0 [ 1909.827887][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1909.827887][ T74] [ 1909.830021][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1909.830353][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1909.830353][ T74] netdev_get_by_index+0x5e/0x80 [ 1909.830353][ T74] fib6_nh_init+0x3d8/0x1580 [ 1909.830353][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1909.830353][ T74] ip6_route_add+0x1c/0x140 [ 1909.830353][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1909.830353][ T74] inet6_addr_add+0x4f8/0xa40 [ 1909.830353][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1909.830353][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1909.830353][ T74] netlink_rcv_skb+0x130/0x360 [ 1909.830353][ T74] netlink_unicast+0x449/0x710 [ 1909.830353][ T74] netlink_sendmsg+0x723/0xbe0 [ 1909.830353][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1909.830353][ T74] ___sys_sendmsg+0xee/0x170 [ 1909.830353][ T74] __sys_sendmsg+0xcd/0x170 [ 1909.830353][ T74] do_syscall_64+0xc6/0x1e0 [ 1909.830353][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1909.830353][ T74] [ 1909.832719][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1909.832719][ T74] netdev_get_by_index+0x5e/0x80 [ 1909.832719][ T74] fib6_nh_init+0x3d8/0x1580 [ 1909.832719][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1909.832719][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1909.832719][ T74] ipv6_add_addr+0x411/0x2000 [ 1909.832719][ T74] inet6_addr_add+0x30e/0xa40 [ 1909.832719][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1909.832719][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1909.832719][ T74] netlink_rcv_skb+0x130/0x360 [ 1909.832719][ T74] netlink_unicast+0x449/0x710 [ 1909.832719][ T74] netlink_sendmsg+0x723/0xbe0 [ 1909.832719][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1909.832719][ T74] ___sys_sendmsg+0xee/0x170 [ 1909.832719][ T74] __sys_sendmsg+0xcd/0x170 [ 1909.832719][ T74] do_syscall_64+0xc6/0x1e0 [ 1909.832719][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1909.832719][ T74] [ 1909.834995][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1909.834995][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1909.834995][ T74] ipv6_find_idev+0x102/0x170 [ 1909.834995][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1909.834995][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1909.834995][ T74] netlink_rcv_skb+0x130/0x360 [ 1909.834995][ T74] netlink_unicast+0x449/0x710 [ 1909.834995][ T74] netlink_sendmsg+0x723/0xbe0 [ 1909.834995][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1909.834995][ T74] ___sys_sendmsg+0xee/0x170 [ 1909.834995][ T74] __sys_sendmsg+0xcd/0x170 [ 1909.834995][ T74] do_syscall_64+0xc6/0x1e0 [ 1909.834995][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1909.834995][ T74] [ 1909.836887][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1909.836887][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1909.836887][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1909.836887][ T74] ipv6_find_idev+0x102/0x170 [ 1909.836887][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1909.836887][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1909.836887][ T74] netlink_rcv_skb+0x130/0x360 [ 1909.836887][ T74] netlink_unicast+0x449/0x710 [ 1909.836887][ T74] netlink_sendmsg+0x723/0xbe0 [ 1909.836887][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1909.836887][ T74] ___sys_sendmsg+0xee/0x170 [ 1909.836887][ T74] __sys_sendmsg+0xcd/0x170 [ 1909.836887][ T74] do_syscall_64+0xc6/0x1e0 [ 1909.836887][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1909.836887][ T74] [ 1920.080004][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1920.080402][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1920.080402][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1920.080402][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1920.080402][ T74] fib6_nh_init+0xa22/0x1580 [ 1920.080402][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1920.080402][ T74] ip6_route_add+0x1c/0x140 [ 1920.080402][ T74] inet6_rtm_newroute+0x104/0x110 [ 1920.080402][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.080402][ T74] netlink_rcv_skb+0x130/0x360 [ 1920.080402][ T74] netlink_unicast+0x449/0x710 [ 1920.080402][ T74] netlink_sendmsg+0x723/0xbe0 [ 1920.080402][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1920.080402][ T74] ___sys_sendmsg+0xee/0x170 [ 1920.080402][ T74] __sys_sendmsg+0xcd/0x170 [ 1920.080402][ T74] do_syscall_64+0xc6/0x1e0 [ 1920.080402][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1920.080402][ T74] [ 1920.082311][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1920.082311][ T74] netdev_get_by_index+0x5e/0x80 [ 1920.082311][ T74] fib6_nh_init+0x3d8/0x1580 [ 1920.082311][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1920.082311][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1920.082311][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1920.082311][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1920.082311][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1920.082311][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1920.082311][ T74] addrconf_dad_begin+0x310/0x670 [ 1920.082311][ T74] addrconf_dad_work+0x10b/0xab0 [ 1920.082311][ T74] process_one_work+0x84d/0x18a0 [ 1920.082311][ T74] worker_thread+0x587/0xd30 [ 1920.082311][ T74] kthread+0x28a/0x350 [ 1920.082311][ T74] ret_from_fork+0x31/0x70 [ 1920.082311][ T74] ret_from_fork_asm+0x1a/0x30 [ 1920.082311][ T74] [ 1920.084273][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1920.084273][ T74] netdev_get_by_index+0x5e/0x80 [ 1920.084273][ T74] fib6_nh_init+0x3d8/0x1580 [ 1920.084273][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1920.084273][ T74] ip6_route_add+0x1c/0x140 [ 1920.084273][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1920.084273][ T74] inet6_addr_add+0x4f8/0xa40 [ 1920.084273][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1920.084273][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.084273][ T74] netlink_rcv_skb+0x130/0x360 [ 1920.084273][ T74] netlink_unicast+0x449/0x710 [ 1920.084273][ T74] netlink_sendmsg+0x723/0xbe0 [ 1920.084273][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1920.084273][ T74] ___sys_sendmsg+0xee/0x170 [ 1920.084273][ T74] __sys_sendmsg+0xcd/0x170 [ 1920.084273][ T74] do_syscall_64+0xc6/0x1e0 [ 1920.084273][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1920.084273][ T74] [ 1920.086271][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1920.086271][ T74] netdev_get_by_index+0x5e/0x80 [ 1920.086271][ T74] fib6_nh_init+0x3d8/0x1580 [ 1920.086271][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1920.086271][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1920.086271][ T74] ipv6_add_addr+0x411/0x2000 [ 1920.086271][ T74] inet6_addr_add+0x30e/0xa40 [ 1920.086271][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1920.086271][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.086271][ T74] netlink_rcv_skb+0x130/0x360 [ 1920.086271][ T74] netlink_unicast+0x449/0x710 [ 1920.086271][ T74] netlink_sendmsg+0x723/0xbe0 [ 1920.086271][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1920.086271][ T74] ___sys_sendmsg+0xee/0x170 [ 1920.086271][ T74] __sys_sendmsg+0xcd/0x170 [ 1920.086271][ T74] do_syscall_64+0xc6/0x1e0 [ 1920.086271][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1920.086271][ T74] [ 1920.088265][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1920.088265][ T74] netdev_get_by_index+0x5e/0x80 [ 1920.088265][ T74] fib6_nh_init+0x3d8/0x1580 [ 1920.088265][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1920.088265][ T74] ip6_route_add+0x1c/0x140 [ 1920.088265][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1920.088265][ T74] addrconf_add_dev+0xe2/0x170 [ 1920.088265][ T74] inet6_addr_add+0x12f/0xa40 [ 1920.088265][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1920.088265][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.088265][ T74] netlink_rcv_skb+0x130/0x360 [ 1920.088265][ T74] netlink_unicast+0x449/0x710 [ 1920.088265][ T74] netlink_sendmsg+0x723/0xbe0 [ 1920.088265][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1920.088265][ T74] ___sys_sendmsg+0xee/0x170 [ 1920.088265][ T74] __sys_sendmsg+0xcd/0x170 [ 1920.088265][ T74] do_syscall_64+0xc6/0x1e0 [ 1920.088265][ T74] [ 1920.090244][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1920.090244][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1920.090244][ T74] ipv6_find_idev+0x102/0x170 [ 1920.090244][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1920.090244][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.090244][ T74] netlink_rcv_skb+0x130/0x360 [ 1920.090244][ T74] netlink_unicast+0x449/0x710 [ 1920.090244][ T74] netlink_sendmsg+0x723/0xbe0 [ 1920.090244][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1920.090244][ T74] ___sys_sendmsg+0xee/0x170 [ 1920.090244][ T74] __sys_sendmsg+0xcd/0x170 [ 1920.090244][ T74] do_syscall_64+0xc6/0x1e0 [ 1920.090244][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1920.090244][ T74] [ 1920.091782][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1920.091782][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1920.091782][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1920.091782][ T74] ipv6_find_idev+0x102/0x170 [ 1920.091782][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1920.091782][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.091782][ T74] netlink_rcv_skb+0x130/0x360 [ 1920.091782][ T74] netlink_unicast+0x449/0x710 [ 1920.091782][ T74] netlink_sendmsg+0x723/0xbe0 [ 1920.091782][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1920.091782][ T74] ___sys_sendmsg+0xee/0x170 [ 1920.091782][ T74] __sys_sendmsg+0xcd/0x170 [ 1920.091782][ T74] do_syscall_64+0xc6/0x1e0 [ 1920.091782][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1920.091782][ T74] [ 1920.093483][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1920.093761][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1920.093761][ T74] dst_init+0x84/0x4a0 [ 1920.093761][ T74] dst_alloc+0x97/0x150 [ 1920.093761][ T74] ip6_dst_alloc+0x23/0x90 [ 1920.093761][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1920.093761][ T74] ip6_pol_route+0x56f/0x840 [ 1920.093761][ T74] fib6_rule_lookup+0x456/0x630 [ 1920.093761][ T74] ip6_route_input+0x59c/0xa50 [ 1920.093761][ T74] ipv6_rcv+0x397/0x810 [ 1920.093761][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1920.093761][ T74] process_backlog+0x101/0x620 [ 1920.093761][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1920.093761][ T74] net_rx_action+0x495/0xbe0 [ 1920.093761][ T74] __do_softirq+0x1b5/0x7f6 [ 1920.093761][ T74] [ 1920.095403][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1920.095403][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1920.095403][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1920.095403][ T74] fib6_nh_init+0xa22/0x1580 [ 1920.095403][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1920.095403][ T74] ip6_route_add+0x1c/0x140 [ 1920.095403][ T74] inet6_rtm_newroute+0x104/0x110 [ 1920.095403][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.095403][ T74] netlink_rcv_skb+0x130/0x360 [ 1920.095403][ T74] netlink_unicast+0x449/0x710 [ 1920.095403][ T74] netlink_sendmsg+0x723/0xbe0 [ 1920.095403][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1920.095403][ T74] ___sys_sendmsg+0xee/0x170 [ 1920.095403][ T74] __sys_sendmsg+0xcd/0x170 [ 1920.095403][ T74] do_syscall_64+0xc6/0x1e0 [ 1920.095403][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1920.095403][ T74] [ 1920.097280][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1920.097280][ T74] netdev_get_by_index+0x5e/0x80 [ 1920.097280][ T74] fib6_nh_init+0x3d8/0x1580 [ 1920.097280][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1920.097280][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1920.097280][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1920.097280][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1920.097280][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1920.097280][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1920.097280][ T74] addrconf_dad_begin+0x310/0x670 [ 1920.097280][ T74] addrconf_dad_work+0x10b/0xab0 [ 1920.097280][ T74] process_one_work+0x84d/0x18a0 [ 1920.097280][ T74] worker_thread+0x587/0xd30 [ 1920.097280][ T74] kthread+0x28a/0x350 [ 1920.097280][ T74] ret_from_fork+0x31/0x70 [ 1920.097280][ T74] ret_from_fork_asm+0x1a/0x30 [ 1920.097280][ T74] [ 1920.099201][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1920.099201][ T74] netdev_get_by_index+0x5e/0x80 [ 1920.099201][ T74] fib6_nh_init+0x3d8/0x1580 [ 1920.099201][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1920.099201][ T74] ip6_route_add+0x1c/0x140 [ 1920.099201][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1920.099201][ T74] inet6_addr_add+0x4f8/0xa40 [ 1920.099201][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1920.099201][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.099201][ T74] netlink_rcv_skb+0x130/0x360 [ 1920.099201][ T74] netlink_unicast+0x449/0x710 [ 1920.099201][ T74] netlink_sendmsg+0x723/0xbe0 [ 1920.099201][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1920.099201][ T74] ___sys_sendmsg+0xee/0x170 [ 1920.099201][ T74] __sys_sendmsg+0xcd/0x170 [ 1920.099201][ T74] do_syscall_64+0xc6/0x1e0 [ 1920.099201][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1920.099201][ T74] [ 1920.101210][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1920.101210][ T74] netdev_get_by_index+0x5e/0x80 [ 1920.101210][ T74] fib6_nh_init+0x3d8/0x1580 [ 1920.101210][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1920.101210][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1920.101210][ T74] ipv6_add_addr+0x411/0x2000 [ 1920.101210][ T74] inet6_addr_add+0x30e/0xa40 [ 1920.101210][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1920.101210][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.101210][ T74] netlink_rcv_skb+0x130/0x360 [ 1920.101210][ T74] netlink_unicast+0x449/0x710 [ 1920.101210][ T74] netlink_sendmsg+0x723/0xbe0 [ 1920.101210][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1920.101210][ T74] ___sys_sendmsg+0xee/0x170 [ 1920.101210][ T74] __sys_sendmsg+0xcd/0x170 [ 1920.101210][ T74] do_syscall_64+0xc6/0x1e0 [ 1920.101210][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1920.101210][ T74] [ 1920.103205][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1920.103205][ T74] netdev_get_by_index+0x5e/0x80 [ 1920.103205][ T74] fib6_nh_init+0x3d8/0x1580 [ 1920.103205][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1920.103205][ T74] ip6_route_add+0x1c/0x140 [ 1920.103205][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1920.103205][ T74] addrconf_add_dev+0xe2/0x170 [ 1920.103205][ T74] inet6_addr_add+0x12f/0xa40 [ 1920.103205][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1920.103205][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.103205][ T74] netlink_rcv_skb+0x130/0x360 [ 1920.103205][ T74] netlink_unicast+0x449/0x710 [ 1920.103205][ T74] netlink_sendmsg+0x723/0xbe0 [ 1920.103205][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1920.103205][ T74] ___sys_sendmsg+0xee/0x170 [ 1920.103205][ T74] __sys_sendmsg+0xcd/0x170 [ 1920.103205][ T74] do_syscall_64+0xc6/0x1e0 [ 1920.103205][ T74] [ 1920.105217][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1920.105217][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1920.105217][ T74] ipv6_find_idev+0x102/0x170 [ 1920.105217][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1920.105217][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.105217][ T74] netlink_rcv_skb+0x130/0x360 [ 1920.105217][ T74] netlink_unicast+0x449/0x710 [ 1920.105217][ T74] netlink_sendmsg+0x723/0xbe0 [ 1920.105217][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1920.105217][ T74] ___sys_sendmsg+0xee/0x170 [ 1920.105217][ T74] __sys_sendmsg+0xcd/0x170 [ 1920.105217][ T74] do_syscall_64+0xc6/0x1e0 [ 1920.105217][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1920.105217][ T74] [ 1920.106886][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1920.106886][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1920.106886][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1920.106886][ T74] ipv6_find_idev+0x102/0x170 [ 1920.106886][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1920.106886][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.106886][ T74] netlink_rcv_skb+0x130/0x360 [ 1920.106886][ T74] netlink_unicast+0x449/0x710 [ 1920.106886][ T74] netlink_sendmsg+0x723/0xbe0 [ 1920.106886][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1920.106886][ T74] ___sys_sendmsg+0xee/0x170 [ 1920.106886][ T74] __sys_sendmsg+0xcd/0x170 [ 1920.106886][ T74] do_syscall_64+0xc6/0x1e0 [ 1920.106886][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1920.106886][ T74] [ 1920.108899][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1920.109143][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1920.109143][ T74] netdev_get_by_index+0x5e/0x80 [ 1920.109143][ T74] fib6_nh_init+0x3d8/0x1580 [ 1920.109143][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1920.109143][ T74] ip6_route_add+0x1c/0x140 [ 1920.109143][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1920.109143][ T74] inet6_addr_add+0x4f8/0xa40 [ 1920.109143][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1920.109143][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.109143][ T74] netlink_rcv_skb+0x130/0x360 [ 1920.109143][ T74] netlink_unicast+0x449/0x710 [ 1920.109143][ T74] netlink_sendmsg+0x723/0xbe0 [ 1920.109143][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1920.109143][ T74] ___sys_sendmsg+0xee/0x170 [ 1920.109143][ T74] __sys_sendmsg+0xcd/0x170 [ 1920.109143][ T74] do_syscall_64+0xc6/0x1e0 [ 1920.109143][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1920.109143][ T74] [ 1920.111389][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1920.111389][ T74] netdev_get_by_index+0x5e/0x80 [ 1920.111389][ T74] fib6_nh_init+0x3d8/0x1580 [ 1920.111389][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1920.111389][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1920.111389][ T74] ipv6_add_addr+0x411/0x2000 [ 1920.111389][ T74] inet6_addr_add+0x30e/0xa40 [ 1920.111389][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1920.111389][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.111389][ T74] netlink_rcv_skb+0x130/0x360 [ 1920.111389][ T74] netlink_unicast+0x449/0x710 [ 1920.111389][ T74] netlink_sendmsg+0x723/0xbe0 [ 1920.111389][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1920.111389][ T74] ___sys_sendmsg+0xee/0x170 [ 1920.111389][ T74] __sys_sendmsg+0xcd/0x170 [ 1920.111389][ T74] do_syscall_64+0xc6/0x1e0 [ 1920.111389][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1920.111389][ T74] [ 1920.113561][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1920.113561][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1920.113561][ T74] ipv6_find_idev+0x102/0x170 [ 1920.113561][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1920.113561][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.113561][ T74] netlink_rcv_skb+0x130/0x360 [ 1920.113561][ T74] netlink_unicast+0x449/0x710 [ 1920.113561][ T74] netlink_sendmsg+0x723/0xbe0 [ 1920.113561][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1920.113561][ T74] ___sys_sendmsg+0xee/0x170 [ 1920.113561][ T74] __sys_sendmsg+0xcd/0x170 [ 1920.113561][ T74] do_syscall_64+0xc6/0x1e0 [ 1920.113561][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1920.113561][ T74] [ 1920.115299][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1920.115299][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1920.115299][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1920.115299][ T74] ipv6_find_idev+0x102/0x170 [ 1920.115299][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1920.115299][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.115299][ T74] netlink_rcv_skb+0x130/0x360 [ 1920.115299][ T74] netlink_unicast+0x449/0x710 [ 1920.115299][ T74] netlink_sendmsg+0x723/0xbe0 [ 1920.115299][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1920.115299][ T74] ___sys_sendmsg+0xee/0x170 [ 1920.115299][ T74] __sys_sendmsg+0xcd/0x170 [ 1920.115299][ T74] do_syscall_64+0xc6/0x1e0 [ 1920.115299][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1920.115299][ T74] [ 1930.193367][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1930.193857][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1930.193857][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1930.193857][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1930.193857][ T74] fib6_nh_init+0xa22/0x1580 [ 1930.193857][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1930.193857][ T74] ip6_route_add+0x1c/0x140 [ 1930.193857][ T74] inet6_rtm_newroute+0x104/0x110 [ 1930.193857][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1930.193857][ T74] netlink_rcv_skb+0x130/0x360 [ 1930.193857][ T74] netlink_unicast+0x449/0x710 [ 1930.193857][ T74] netlink_sendmsg+0x723/0xbe0 [ 1930.193857][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1930.193857][ T74] ___sys_sendmsg+0xee/0x170 [ 1930.193857][ T74] __sys_sendmsg+0xcd/0x170 [ 1930.193857][ T74] do_syscall_64+0xc6/0x1e0 [ 1930.193857][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1930.193857][ T74] [ 1930.195848][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1930.195848][ T74] netdev_get_by_index+0x5e/0x80 [ 1930.195848][ T74] fib6_nh_init+0x3d8/0x1580 [ 1930.195848][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1930.195848][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1930.195848][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1930.195848][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1930.195848][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1930.195848][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1930.195848][ T74] addrconf_dad_begin+0x310/0x670 [ 1930.195848][ T74] addrconf_dad_work+0x10b/0xab0 [ 1930.195848][ T74] process_one_work+0x84d/0x18a0 [ 1930.195848][ T74] worker_thread+0x587/0xd30 [ 1930.195848][ T74] kthread+0x28a/0x350 [ 1930.195848][ T74] ret_from_fork+0x31/0x70 [ 1930.195848][ T74] ret_from_fork_asm+0x1a/0x30 [ 1930.195848][ T74] [ 1930.197760][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1930.197760][ T74] netdev_get_by_index+0x5e/0x80 [ 1930.197760][ T74] fib6_nh_init+0x3d8/0x1580 [ 1930.197760][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1930.197760][ T74] ip6_route_add+0x1c/0x140 [ 1930.197760][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1930.197760][ T74] inet6_addr_add+0x4f8/0xa40 [ 1930.197760][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1930.197760][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1930.197760][ T74] netlink_rcv_skb+0x130/0x360 [ 1930.197760][ T74] netlink_unicast+0x449/0x710 [ 1930.197760][ T74] netlink_sendmsg+0x723/0xbe0 [ 1930.197760][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1930.197760][ T74] ___sys_sendmsg+0xee/0x170 [ 1930.197760][ T74] __sys_sendmsg+0xcd/0x170 [ 1930.197760][ T74] do_syscall_64+0xc6/0x1e0 [ 1930.197760][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1930.197760][ T74] [ 1930.199781][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1930.199781][ T74] netdev_get_by_index+0x5e/0x80 [ 1930.199781][ T74] fib6_nh_init+0x3d8/0x1580 [ 1930.199781][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1930.199781][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1930.199781][ T74] ipv6_add_addr+0x411/0x2000 [ 1930.199781][ T74] inet6_addr_add+0x30e/0xa40 [ 1930.199781][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1930.199781][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1930.199781][ T74] netlink_rcv_skb+0x130/0x360 [ 1930.199781][ T74] netlink_unicast+0x449/0x710 [ 1930.199781][ T74] netlink_sendmsg+0x723/0xbe0 [ 1930.199781][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1930.199781][ T74] ___sys_sendmsg+0xee/0x170 [ 1930.199781][ T74] __sys_sendmsg+0xcd/0x170 [ 1930.199781][ T74] do_syscall_64+0xc6/0x1e0 [ 1930.199781][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1930.199781][ T74] [ 1930.201898][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1930.201898][ T74] netdev_get_by_index+0x5e/0x80 [ 1930.201898][ T74] fib6_nh_init+0x3d8/0x1580 [ 1930.201898][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1930.201898][ T74] ip6_route_add+0x1c/0x140 [ 1930.201898][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1930.201898][ T74] addrconf_add_dev+0xe2/0x170 [ 1930.201898][ T74] inet6_addr_add+0x12f/0xa40 [ 1930.201898][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1930.201898][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1930.201898][ T74] netlink_rcv_skb+0x130/0x360 [ 1930.201898][ T74] netlink_unicast+0x449/0x710 [ 1930.201898][ T74] netlink_sendmsg+0x723/0xbe0 [ 1930.201898][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1930.201898][ T74] ___sys_sendmsg+0xee/0x170 [ 1930.201898][ T74] __sys_sendmsg+0xcd/0x170 [ 1930.201898][ T74] do_syscall_64+0xc6/0x1e0 [ 1930.201898][ T74] [ 1930.204209][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1930.204209][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1930.204209][ T74] ipv6_find_idev+0x102/0x170 [ 1930.204209][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1930.204209][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1930.204209][ T74] netlink_rcv_skb+0x130/0x360 [ 1930.204209][ T74] netlink_unicast+0x449/0x710 [ 1930.204209][ T74] netlink_sendmsg+0x723/0xbe0 [ 1930.204209][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1930.204209][ T74] ___sys_sendmsg+0xee/0x170 [ 1930.204209][ T74] __sys_sendmsg+0xcd/0x170 [ 1930.204209][ T74] do_syscall_64+0xc6/0x1e0 [ 1930.204209][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1930.204209][ T74] [ 1930.206015][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1930.206015][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1930.206015][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1930.206015][ T74] ipv6_find_idev+0x102/0x170 [ 1930.206015][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1930.206015][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1930.206015][ T74] netlink_rcv_skb+0x130/0x360 [ 1930.206015][ T74] netlink_unicast+0x449/0x710 [ 1930.206015][ T74] netlink_sendmsg+0x723/0xbe0 [ 1930.206015][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1930.206015][ T74] ___sys_sendmsg+0xee/0x170 [ 1930.206015][ T74] __sys_sendmsg+0xcd/0x170 [ 1930.206015][ T74] do_syscall_64+0xc6/0x1e0 [ 1930.206015][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1930.206015][ T74] [ 1930.207902][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1930.208225][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1930.208225][ T74] dst_init+0x84/0x4a0 [ 1930.208225][ T74] dst_alloc+0x97/0x150 [ 1930.208225][ T74] ip6_dst_alloc+0x23/0x90 [ 1930.208225][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1930.208225][ T74] ip6_pol_route+0x56f/0x840 [ 1930.208225][ T74] fib6_rule_lookup+0x456/0x630 [ 1930.208225][ T74] ip6_route_input+0x59c/0xa50 [ 1930.208225][ T74] ipv6_rcv+0x397/0x810 [ 1930.208225][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1930.208225][ T74] process_backlog+0x101/0x620 [ 1930.208225][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1930.208225][ T74] net_rx_action+0x495/0xbe0 [ 1930.208225][ T74] __do_softirq+0x1b5/0x7f6 [ 1930.208225][ T74] [ 1930.210070][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1930.210070][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1930.210070][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1930.210070][ T74] fib6_nh_init+0xa22/0x1580 [ 1930.210070][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1930.210070][ T74] ip6_route_add+0x1c/0x140 [ 1930.210070][ T74] inet6_rtm_newroute+0x104/0x110 [ 1930.210070][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1930.210070][ T74] netlink_rcv_skb+0x130/0x360 [ 1930.210070][ T74] netlink_unicast+0x449/0x710 [ 1930.210070][ T74] netlink_sendmsg+0x723/0xbe0 [ 1930.210070][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1930.210070][ T74] ___sys_sendmsg+0xee/0x170 [ 1930.210070][ T74] __sys_sendmsg+0xcd/0x170 [ 1930.210070][ T74] do_syscall_64+0xc6/0x1e0 [ 1930.210070][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1930.210070][ T74] [ 1930.212091][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1930.212091][ T74] netdev_get_by_index+0x5e/0x80 [ 1930.212091][ T74] fib6_nh_init+0x3d8/0x1580 [ 1930.212091][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1930.212091][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1930.212091][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1930.212091][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1930.212091][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1930.212091][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1930.212091][ T74] addrconf_dad_begin+0x310/0x670 [ 1930.212091][ T74] addrconf_dad_work+0x10b/0xab0 [ 1930.212091][ T74] process_one_work+0x84d/0x18a0 [ 1930.212091][ T74] worker_thread+0x587/0xd30 [ 1930.212091][ T74] kthread+0x28a/0x350 [ 1930.212091][ T74] ret_from_fork+0x31/0x70 [ 1930.212091][ T74] ret_from_fork_asm+0x1a/0x30 [ 1930.212091][ T74] [ 1930.214098][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1930.214098][ T74] netdev_get_by_index+0x5e/0x80 [ 1930.214098][ T74] fib6_nh_init+0x3d8/0x1580 [ 1930.214098][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1930.214098][ T74] ip6_route_add+0x1c/0x140 [ 1930.214098][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1930.214098][ T74] inet6_addr_add+0x4f8/0xa40 [ 1930.214098][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1930.214098][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1930.214098][ T74] netlink_rcv_skb+0x130/0x360 [ 1930.214098][ T74] netlink_unicast+0x449/0x710 [ 1930.214098][ T74] netlink_sendmsg+0x723/0xbe0 [ 1930.214098][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1930.214098][ T74] ___sys_sendmsg+0xee/0x170 [ 1930.214098][ T74] __sys_sendmsg+0xcd/0x170 [ 1930.214098][ T74] do_syscall_64+0xc6/0x1e0 [ 1930.214098][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1930.214098][ T74] [ 1930.216095][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1930.216095][ T74] netdev_get_by_index+0x5e/0x80 [ 1930.216095][ T74] fib6_nh_init+0x3d8/0x1580 [ 1930.216095][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1930.216095][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1930.216095][ T74] ipv6_add_addr+0x411/0x2000 [ 1930.216095][ T74] inet6_addr_add+0x30e/0xa40 [ 1930.216095][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1930.216095][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1930.216095][ T74] netlink_rcv_skb+0x130/0x360 [ 1930.216095][ T74] netlink_unicast+0x449/0x710 [ 1930.216095][ T74] netlink_sendmsg+0x723/0xbe0 [ 1930.216095][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1930.216095][ T74] ___sys_sendmsg+0xee/0x170 [ 1930.216095][ T74] __sys_sendmsg+0xcd/0x170 [ 1930.216095][ T74] do_syscall_64+0xc6/0x1e0 [ 1930.216095][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1930.216095][ T74] [ 1930.218116][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1930.218116][ T74] netdev_get_by_index+0x5e/0x80 [ 1930.218116][ T74] fib6_nh_init+0x3d8/0x1580 [ 1930.218116][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1930.218116][ T74] ip6_route_add+0x1c/0x140 [ 1930.218116][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1930.218116][ T74] addrconf_add_dev+0xe2/0x170 [ 1930.218116][ T74] inet6_addr_add+0x12f/0xa40 [ 1930.218116][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1930.218116][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1930.218116][ T74] netlink_rcv_skb+0x130/0x360 [ 1930.218116][ T74] netlink_unicast+0x449/0x710 [ 1930.218116][ T74] netlink_sendmsg+0x723/0xbe0 [ 1930.218116][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1930.218116][ T74] ___sys_sendmsg+0xee/0x170 [ 1930.218116][ T74] __sys_sendmsg+0xcd/0x170 [ 1930.218116][ T74] do_syscall_64+0xc6/0x1e0 [ 1930.218116][ T74] [ 1930.220120][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1930.220120][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1930.220120][ T74] ipv6_find_idev+0x102/0x170 [ 1930.220120][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1930.220120][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1930.220120][ T74] netlink_rcv_skb+0x130/0x360 [ 1930.220120][ T74] netlink_unicast+0x449/0x710 [ 1930.220120][ T74] netlink_sendmsg+0x723/0xbe0 [ 1930.220120][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1930.220120][ T74] ___sys_sendmsg+0xee/0x170 [ 1930.220120][ T74] __sys_sendmsg+0xcd/0x170 [ 1930.220120][ T74] do_syscall_64+0xc6/0x1e0 [ 1930.220120][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1930.220120][ T74] [ 1930.221925][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1930.221925][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1930.221925][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1930.221925][ T74] ipv6_find_idev+0x102/0x170 [ 1930.221925][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1930.221925][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1930.221925][ T74] netlink_rcv_skb+0x130/0x360 [ 1930.221925][ T74] netlink_unicast+0x449/0x710 [ 1930.221925][ T74] netlink_sendmsg+0x723/0xbe0 [ 1930.221925][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1930.221925][ T74] ___sys_sendmsg+0xee/0x170 [ 1930.221925][ T74] __sys_sendmsg+0xcd/0x170 [ 1930.221925][ T74] do_syscall_64+0xc6/0x1e0 [ 1930.221925][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1930.221925][ T74] [ 1930.224094][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1930.224357][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1930.224357][ T74] netdev_get_by_index+0x5e/0x80 [ 1930.224357][ T74] fib6_nh_init+0x3d8/0x1580 [ 1930.224357][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1930.224357][ T74] ip6_route_add+0x1c/0x140 [ 1930.224357][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1930.224357][ T74] inet6_addr_add+0x4f8/0xa40 [ 1930.224357][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1930.224357][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1930.224357][ T74] netlink_rcv_skb+0x130/0x360 [ 1930.224357][ T74] netlink_unicast+0x449/0x710 [ 1930.224357][ T74] netlink_sendmsg+0x723/0xbe0 [ 1930.224357][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1930.224357][ T74] ___sys_sendmsg+0xee/0x170 [ 1930.224357][ T74] __sys_sendmsg+0xcd/0x170 [ 1930.224357][ T74] do_syscall_64+0xc6/0x1e0 [ 1930.224357][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1930.224357][ T74] [ 1930.226792][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1930.226792][ T74] netdev_get_by_index+0x5e/0x80 [ 1930.226792][ T74] fib6_nh_init+0x3d8/0x1580 [ 1930.226792][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1930.226792][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1930.226792][ T74] ipv6_add_addr+0x411/0x2000 [ 1930.226792][ T74] inet6_addr_add+0x30e/0xa40 [ 1930.226792][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1930.226792][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1930.226792][ T74] netlink_rcv_skb+0x130/0x360 [ 1930.226792][ T74] netlink_unicast+0x449/0x710 [ 1930.226792][ T74] netlink_sendmsg+0x723/0xbe0 [ 1930.226792][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1930.226792][ T74] ___sys_sendmsg+0xee/0x170 [ 1930.226792][ T74] __sys_sendmsg+0xcd/0x170 [ 1930.226792][ T74] do_syscall_64+0xc6/0x1e0 [ 1930.226792][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1930.226792][ T74] [ 1930.229064][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1930.229064][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1930.229064][ T74] ipv6_find_idev+0x102/0x170 [ 1930.229064][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1930.229064][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1930.229064][ T74] netlink_rcv_skb+0x130/0x360 [ 1930.229064][ T74] netlink_unicast+0x449/0x710 [ 1930.229064][ T74] netlink_sendmsg+0x723/0xbe0 [ 1930.229064][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1930.229064][ T74] ___sys_sendmsg+0xee/0x170 [ 1930.229064][ T74] __sys_sendmsg+0xcd/0x170 [ 1930.229064][ T74] do_syscall_64+0xc6/0x1e0 [ 1930.229064][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1930.229064][ T74] [ 1930.230945][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1930.230945][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1930.230945][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1930.230945][ T74] ipv6_find_idev+0x102/0x170 [ 1930.230945][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1930.230945][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1930.230945][ T74] netlink_rcv_skb+0x130/0x360 [ 1930.230945][ T74] netlink_unicast+0x449/0x710 [ 1930.230945][ T74] netlink_sendmsg+0x723/0xbe0 [ 1930.230945][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1930.230945][ T74] ___sys_sendmsg+0xee/0x170 [ 1930.230945][ T74] __sys_sendmsg+0xcd/0x170 [ 1930.230945][ T74] do_syscall_64+0xc6/0x1e0 [ 1930.230945][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1930.230945][ T74] [ 1940.295927][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1940.296313][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1940.296313][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1940.296313][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1940.296313][ T74] fib6_nh_init+0xa22/0x1580 [ 1940.296313][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1940.296313][ T74] ip6_route_add+0x1c/0x140 [ 1940.296313][ T74] inet6_rtm_newroute+0x104/0x110 [ 1940.296313][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1940.296313][ T74] netlink_rcv_skb+0x130/0x360 [ 1940.296313][ T74] netlink_unicast+0x449/0x710 [ 1940.296313][ T74] netlink_sendmsg+0x723/0xbe0 [ 1940.296313][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1940.296313][ T74] ___sys_sendmsg+0xee/0x170 [ 1940.296313][ T74] __sys_sendmsg+0xcd/0x170 [ 1940.296313][ T74] do_syscall_64+0xc6/0x1e0 [ 1940.296313][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1940.296313][ T74] [ 1940.298338][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1940.298338][ T74] netdev_get_by_index+0x5e/0x80 [ 1940.298338][ T74] fib6_nh_init+0x3d8/0x1580 [ 1940.298338][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1940.298338][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1940.298338][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1940.298338][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1940.298338][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1940.298338][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1940.298338][ T74] addrconf_dad_begin+0x310/0x670 [ 1940.298338][ T74] addrconf_dad_work+0x10b/0xab0 [ 1940.298338][ T74] process_one_work+0x84d/0x18a0 [ 1940.298338][ T74] worker_thread+0x587/0xd30 [ 1940.298338][ T74] kthread+0x28a/0x350 [ 1940.298338][ T74] ret_from_fork+0x31/0x70 [ 1940.298338][ T74] ret_from_fork_asm+0x1a/0x30 [ 1940.298338][ T74] [ 1940.300310][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1940.300310][ T74] netdev_get_by_index+0x5e/0x80 [ 1940.300310][ T74] fib6_nh_init+0x3d8/0x1580 [ 1940.300310][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1940.300310][ T74] ip6_route_add+0x1c/0x140 [ 1940.300310][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1940.300310][ T74] inet6_addr_add+0x4f8/0xa40 [ 1940.300310][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1940.300310][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1940.300310][ T74] netlink_rcv_skb+0x130/0x360 [ 1940.300310][ T74] netlink_unicast+0x449/0x710 [ 1940.300310][ T74] netlink_sendmsg+0x723/0xbe0 [ 1940.300310][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1940.300310][ T74] ___sys_sendmsg+0xee/0x170 [ 1940.300310][ T74] __sys_sendmsg+0xcd/0x170 [ 1940.300310][ T74] do_syscall_64+0xc6/0x1e0 [ 1940.300310][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1940.300310][ T74] [ 1940.302343][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1940.302343][ T74] netdev_get_by_index+0x5e/0x80 [ 1940.302343][ T74] fib6_nh_init+0x3d8/0x1580 [ 1940.302343][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1940.302343][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1940.302343][ T74] ipv6_add_addr+0x411/0x2000 [ 1940.302343][ T74] inet6_addr_add+0x30e/0xa40 [ 1940.302343][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1940.302343][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1940.302343][ T74] netlink_rcv_skb+0x130/0x360 [ 1940.302343][ T74] netlink_unicast+0x449/0x710 [ 1940.302343][ T74] netlink_sendmsg+0x723/0xbe0 [ 1940.302343][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1940.302343][ T74] ___sys_sendmsg+0xee/0x170 [ 1940.302343][ T74] __sys_sendmsg+0xcd/0x170 [ 1940.302343][ T74] do_syscall_64+0xc6/0x1e0 [ 1940.302343][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1940.302343][ T74] [ 1940.304402][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1940.304402][ T74] netdev_get_by_index+0x5e/0x80 [ 1940.304402][ T74] fib6_nh_init+0x3d8/0x1580 [ 1940.304402][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1940.304402][ T74] ip6_route_add+0x1c/0x140 [ 1940.304402][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1940.304402][ T74] addrconf_add_dev+0xe2/0x170 [ 1940.304402][ T74] inet6_addr_add+0x12f/0xa40 [ 1940.304402][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1940.304402][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1940.304402][ T74] netlink_rcv_skb+0x130/0x360 [ 1940.304402][ T74] netlink_unicast+0x449/0x710 [ 1940.304402][ T74] netlink_sendmsg+0x723/0xbe0 [ 1940.304402][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1940.304402][ T74] ___sys_sendmsg+0xee/0x170 [ 1940.304402][ T74] __sys_sendmsg+0xcd/0x170 [ 1940.304402][ T74] do_syscall_64+0xc6/0x1e0 [ 1940.304402][ T74] [ 1940.306395][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1940.306395][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1940.306395][ T74] ipv6_find_idev+0x102/0x170 [ 1940.306395][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1940.306395][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1940.306395][ T74] netlink_rcv_skb+0x130/0x360 [ 1940.306395][ T74] netlink_unicast+0x449/0x710 [ 1940.306395][ T74] netlink_sendmsg+0x723/0xbe0 [ 1940.306395][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1940.306395][ T74] ___sys_sendmsg+0xee/0x170 [ 1940.306395][ T74] __sys_sendmsg+0xcd/0x170 [ 1940.306395][ T74] do_syscall_64+0xc6/0x1e0 [ 1940.306395][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1940.306395][ T74] [ 1940.307960][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1940.307960][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1940.307960][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1940.307960][ T74] ipv6_find_idev+0x102/0x170 [ 1940.307960][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1940.307960][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1940.307960][ T74] netlink_rcv_skb+0x130/0x360 [ 1940.307960][ T74] netlink_unicast+0x449/0x710 [ 1940.307960][ T74] netlink_sendmsg+0x723/0xbe0 [ 1940.307960][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1940.307960][ T74] ___sys_sendmsg+0xee/0x170 [ 1940.307960][ T74] __sys_sendmsg+0xcd/0x170 [ 1940.307960][ T74] do_syscall_64+0xc6/0x1e0 [ 1940.307960][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1940.307960][ T74] [ 1940.309706][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1940.310032][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1940.310032][ T74] dst_init+0x84/0x4a0 [ 1940.310032][ T74] dst_alloc+0x97/0x150 [ 1940.310032][ T74] ip6_dst_alloc+0x23/0x90 [ 1940.310032][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1940.310032][ T74] ip6_pol_route+0x56f/0x840 [ 1940.310032][ T74] fib6_rule_lookup+0x456/0x630 [ 1940.310032][ T74] ip6_route_input+0x59c/0xa50 [ 1940.310032][ T74] ipv6_rcv+0x397/0x810 [ 1940.310032][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1940.310032][ T74] process_backlog+0x101/0x620 [ 1940.310032][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1940.310032][ T74] net_rx_action+0x495/0xbe0 [ 1940.310032][ T74] __do_softirq+0x1b5/0x7f6 [ 1940.310032][ T74] [ 1940.311708][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1940.311708][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1940.311708][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1940.311708][ T74] fib6_nh_init+0xa22/0x1580 [ 1940.311708][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1940.311708][ T74] ip6_route_add+0x1c/0x140 [ 1940.311708][ T74] inet6_rtm_newroute+0x104/0x110 [ 1940.311708][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1940.311708][ T74] netlink_rcv_skb+0x130/0x360 [ 1940.311708][ T74] netlink_unicast+0x449/0x710 [ 1940.311708][ T74] netlink_sendmsg+0x723/0xbe0 [ 1940.311708][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1940.311708][ T74] ___sys_sendmsg+0xee/0x170 [ 1940.311708][ T74] __sys_sendmsg+0xcd/0x170 [ 1940.311708][ T74] do_syscall_64+0xc6/0x1e0 [ 1940.311708][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1940.311708][ T74] [ 1940.313641][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1940.313641][ T74] netdev_get_by_index+0x5e/0x80 [ 1940.313641][ T74] fib6_nh_init+0x3d8/0x1580 [ 1940.313641][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1940.313641][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1940.313641][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1940.313641][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1940.313641][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1940.313641][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1940.313641][ T74] addrconf_dad_begin+0x310/0x670 [ 1940.313641][ T74] addrconf_dad_work+0x10b/0xab0 [ 1940.313641][ T74] process_one_work+0x84d/0x18a0 [ 1940.313641][ T74] worker_thread+0x587/0xd30 [ 1940.313641][ T74] kthread+0x28a/0x350 [ 1940.313641][ T74] ret_from_fork+0x31/0x70 [ 1940.313641][ T74] ret_from_fork_asm+0x1a/0x30 [ 1940.313641][ T74] [ 1940.315608][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1940.315608][ T74] netdev_get_by_index+0x5e/0x80 [ 1940.315608][ T74] fib6_nh_init+0x3d8/0x1580 [ 1940.315608][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1940.315608][ T74] ip6_route_add+0x1c/0x140 [ 1940.315608][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1940.315608][ T74] inet6_addr_add+0x4f8/0xa40 [ 1940.315608][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1940.315608][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1940.315608][ T74] netlink_rcv_skb+0x130/0x360 [ 1940.315608][ T74] netlink_unicast+0x449/0x710 [ 1940.315608][ T74] netlink_sendmsg+0x723/0xbe0 [ 1940.315608][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1940.315608][ T74] ___sys_sendmsg+0xee/0x170 [ 1940.315608][ T74] __sys_sendmsg+0xcd/0x170 [ 1940.315608][ T74] do_syscall_64+0xc6/0x1e0 [ 1940.315608][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1940.315608][ T74] [ 1940.317649][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1940.317649][ T74] netdev_get_by_index+0x5e/0x80 [ 1940.317649][ T74] fib6_nh_init+0x3d8/0x1580 [ 1940.317649][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1940.317649][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1940.317649][ T74] ipv6_add_addr+0x411/0x2000 [ 1940.317649][ T74] inet6_addr_add+0x30e/0xa40 [ 1940.317649][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1940.317649][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1940.317649][ T74] netlink_rcv_skb+0x130/0x360 [ 1940.317649][ T74] netlink_unicast+0x449/0x710 [ 1940.317649][ T74] netlink_sendmsg+0x723/0xbe0 [ 1940.317649][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1940.317649][ T74] ___sys_sendmsg+0xee/0x170 [ 1940.317649][ T74] __sys_sendmsg+0xcd/0x170 [ 1940.317649][ T74] do_syscall_64+0xc6/0x1e0 [ 1940.317649][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1940.317649][ T74] [ 1940.319711][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1940.319711][ T74] netdev_get_by_index+0x5e/0x80 [ 1940.319711][ T74] fib6_nh_init+0x3d8/0x1580 [ 1940.319711][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1940.319711][ T74] ip6_route_add+0x1c/0x140 [ 1940.319711][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1940.319711][ T74] addrconf_add_dev+0xe2/0x170 [ 1940.319711][ T74] inet6_addr_add+0x12f/0xa40 [ 1940.319711][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1940.319711][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1940.319711][ T74] netlink_rcv_skb+0x130/0x360 [ 1940.319711][ T74] netlink_unicast+0x449/0x710 [ 1940.319711][ T74] netlink_sendmsg+0x723/0xbe0 [ 1940.319711][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1940.319711][ T74] ___sys_sendmsg+0xee/0x170 [ 1940.319711][ T74] __sys_sendmsg+0xcd/0x170 [ 1940.319711][ T74] do_syscall_64+0xc6/0x1e0 [ 1940.319711][ T74] [ 1940.321702][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1940.321702][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1940.321702][ T74] ipv6_find_idev+0x102/0x170 [ 1940.321702][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1940.321702][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1940.321702][ T74] netlink_rcv_skb+0x130/0x360 [ 1940.321702][ T74] netlink_unicast+0x449/0x710 [ 1940.321702][ T74] netlink_sendmsg+0x723/0xbe0 [ 1940.321702][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1940.321702][ T74] ___sys_sendmsg+0xee/0x170 [ 1940.321702][ T74] __sys_sendmsg+0xcd/0x170 [ 1940.321702][ T74] do_syscall_64+0xc6/0x1e0 [ 1940.321702][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1940.321702][ T74] [ 1940.323416][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1940.323416][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1940.323416][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1940.323416][ T74] ipv6_find_idev+0x102/0x170 [ 1940.323416][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1940.323416][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1940.323416][ T74] netlink_rcv_skb+0x130/0x360 [ 1940.323416][ T74] netlink_unicast+0x449/0x710 [ 1940.323416][ T74] netlink_sendmsg+0x723/0xbe0 [ 1940.323416][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1940.323416][ T74] ___sys_sendmsg+0xee/0x170 [ 1940.323416][ T74] __sys_sendmsg+0xcd/0x170 [ 1940.323416][ T74] do_syscall_64+0xc6/0x1e0 [ 1940.323416][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1940.323416][ T74] [ 1940.325386][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1940.325628][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1940.325628][ T74] netdev_get_by_index+0x5e/0x80 [ 1940.325628][ T74] fib6_nh_init+0x3d8/0x1580 [ 1940.325628][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1940.325628][ T74] ip6_route_add+0x1c/0x140 [ 1940.325628][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1940.325628][ T74] inet6_addr_add+0x4f8/0xa40 [ 1940.325628][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1940.325628][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1940.325628][ T74] netlink_rcv_skb+0x130/0x360 [ 1940.325628][ T74] netlink_unicast+0x449/0x710 [ 1940.325628][ T74] netlink_sendmsg+0x723/0xbe0 [ 1940.325628][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1940.325628][ T74] ___sys_sendmsg+0xee/0x170 [ 1940.325628][ T74] __sys_sendmsg+0xcd/0x170 [ 1940.325628][ T74] do_syscall_64+0xc6/0x1e0 [ 1940.325628][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1940.325628][ T74] [ 1940.327919][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1940.327919][ T74] netdev_get_by_index+0x5e/0x80 [ 1940.327919][ T74] fib6_nh_init+0x3d8/0x1580 [ 1940.327919][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1940.327919][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1940.327919][ T74] ipv6_add_addr+0x411/0x2000 [ 1940.327919][ T74] inet6_addr_add+0x30e/0xa40 [ 1940.327919][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1940.327919][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1940.327919][ T74] netlink_rcv_skb+0x130/0x360 [ 1940.327919][ T74] netlink_unicast+0x449/0x710 [ 1940.327919][ T74] netlink_sendmsg+0x723/0xbe0 [ 1940.327919][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1940.327919][ T74] ___sys_sendmsg+0xee/0x170 [ 1940.327919][ T74] __sys_sendmsg+0xcd/0x170 [ 1940.327919][ T74] do_syscall_64+0xc6/0x1e0 [ 1940.327919][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1940.327919][ T74] [ 1940.330156][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1940.330156][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1940.330156][ T74] ipv6_find_idev+0x102/0x170 [ 1940.330156][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1940.330156][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1940.330156][ T74] netlink_rcv_skb+0x130/0x360 [ 1940.330156][ T74] netlink_unicast+0x449/0x710 [ 1940.330156][ T74] netlink_sendmsg+0x723/0xbe0 [ 1940.330156][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1940.330156][ T74] ___sys_sendmsg+0xee/0x170 [ 1940.330156][ T74] __sys_sendmsg+0xcd/0x170 [ 1940.330156][ T74] do_syscall_64+0xc6/0x1e0 [ 1940.330156][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1940.330156][ T74] [ 1940.331904][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1940.331904][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1940.331904][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1940.331904][ T74] ipv6_find_idev+0x102/0x170 [ 1940.331904][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1940.331904][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1940.331904][ T74] netlink_rcv_skb+0x130/0x360 [ 1940.331904][ T74] netlink_unicast+0x449/0x710 [ 1940.331904][ T74] netlink_sendmsg+0x723/0xbe0 [ 1940.331904][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1940.331904][ T74] ___sys_sendmsg+0xee/0x170 [ 1940.331904][ T74] __sys_sendmsg+0xcd/0x170 [ 1940.331904][ T74] do_syscall_64+0xc6/0x1e0 [ 1940.331904][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1940.331904][ T74] [ 1950.343983][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1950.344394][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1950.344394][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1950.344394][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1950.344394][ T74] fib6_nh_init+0xa22/0x1580 [ 1950.344394][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1950.344394][ T74] ip6_route_add+0x1c/0x140 [ 1950.344394][ T74] inet6_rtm_newroute+0x104/0x110 [ 1950.344394][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1950.344394][ T74] netlink_rcv_skb+0x130/0x360 [ 1950.344394][ T74] netlink_unicast+0x449/0x710 [ 1950.344394][ T74] netlink_sendmsg+0x723/0xbe0 [ 1950.344394][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1950.344394][ T74] ___sys_sendmsg+0xee/0x170 [ 1950.344394][ T74] __sys_sendmsg+0xcd/0x170 [ 1950.344394][ T74] do_syscall_64+0xc6/0x1e0 [ 1950.344394][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1950.344394][ T74] [ 1950.346452][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1950.346452][ T74] netdev_get_by_index+0x5e/0x80 [ 1950.346452][ T74] fib6_nh_init+0x3d8/0x1580 [ 1950.346452][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1950.346452][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1950.346452][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1950.346452][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1950.346452][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1950.346452][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1950.346452][ T74] addrconf_dad_begin+0x310/0x670 [ 1950.346452][ T74] addrconf_dad_work+0x10b/0xab0 [ 1950.346452][ T74] process_one_work+0x84d/0x18a0 [ 1950.346452][ T74] worker_thread+0x587/0xd30 [ 1950.346452][ T74] kthread+0x28a/0x350 [ 1950.346452][ T74] ret_from_fork+0x31/0x70 [ 1950.346452][ T74] ret_from_fork_asm+0x1a/0x30 [ 1950.346452][ T74] [ 1950.348387][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1950.348387][ T74] netdev_get_by_index+0x5e/0x80 [ 1950.348387][ T74] fib6_nh_init+0x3d8/0x1580 [ 1950.348387][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1950.348387][ T74] ip6_route_add+0x1c/0x140 [ 1950.348387][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1950.348387][ T74] inet6_addr_add+0x4f8/0xa40 [ 1950.348387][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1950.348387][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1950.348387][ T74] netlink_rcv_skb+0x130/0x360 [ 1950.348387][ T74] netlink_unicast+0x449/0x710 [ 1950.348387][ T74] netlink_sendmsg+0x723/0xbe0 [ 1950.348387][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1950.348387][ T74] ___sys_sendmsg+0xee/0x170 [ 1950.348387][ T74] __sys_sendmsg+0xcd/0x170 [ 1950.348387][ T74] do_syscall_64+0xc6/0x1e0 [ 1950.348387][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1950.348387][ T74] [ 1950.350401][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1950.350401][ T74] netdev_get_by_index+0x5e/0x80 [ 1950.350401][ T74] fib6_nh_init+0x3d8/0x1580 [ 1950.350401][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1950.350401][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1950.350401][ T74] ipv6_add_addr+0x411/0x2000 [ 1950.350401][ T74] inet6_addr_add+0x30e/0xa40 [ 1950.350401][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1950.350401][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1950.350401][ T74] netlink_rcv_skb+0x130/0x360 [ 1950.350401][ T74] netlink_unicast+0x449/0x710 [ 1950.350401][ T74] netlink_sendmsg+0x723/0xbe0 [ 1950.350401][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1950.350401][ T74] ___sys_sendmsg+0xee/0x170 [ 1950.350401][ T74] __sys_sendmsg+0xcd/0x170 [ 1950.350401][ T74] do_syscall_64+0xc6/0x1e0 [ 1950.350401][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1950.350401][ T74] [ 1950.352414][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1950.352414][ T74] netdev_get_by_index+0x5e/0x80 [ 1950.352414][ T74] fib6_nh_init+0x3d8/0x1580 [ 1950.352414][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1950.352414][ T74] ip6_route_add+0x1c/0x140 [ 1950.352414][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1950.352414][ T74] addrconf_add_dev+0xe2/0x170 [ 1950.352414][ T74] inet6_addr_add+0x12f/0xa40 [ 1950.352414][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1950.352414][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1950.352414][ T74] netlink_rcv_skb+0x130/0x360 [ 1950.352414][ T74] netlink_unicast+0x449/0x710 [ 1950.352414][ T74] netlink_sendmsg+0x723/0xbe0 [ 1950.352414][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1950.352414][ T74] ___sys_sendmsg+0xee/0x170 [ 1950.352414][ T74] __sys_sendmsg+0xcd/0x170 [ 1950.352414][ T74] do_syscall_64+0xc6/0x1e0 [ 1950.352414][ T74] [ 1950.354380][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1950.354380][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1950.354380][ T74] ipv6_find_idev+0x102/0x170 [ 1950.354380][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1950.354380][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1950.354380][ T74] netlink_rcv_skb+0x130/0x360 [ 1950.354380][ T74] netlink_unicast+0x449/0x710 [ 1950.354380][ T74] netlink_sendmsg+0x723/0xbe0 [ 1950.354380][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1950.354380][ T74] ___sys_sendmsg+0xee/0x170 [ 1950.354380][ T74] __sys_sendmsg+0xcd/0x170 [ 1950.354380][ T74] do_syscall_64+0xc6/0x1e0 [ 1950.354380][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1950.354380][ T74] [ 1950.355918][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1950.355918][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1950.355918][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1950.355918][ T74] ipv6_find_idev+0x102/0x170 [ 1950.355918][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1950.355918][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1950.355918][ T74] netlink_rcv_skb+0x130/0x360 [ 1950.355918][ T74] netlink_unicast+0x449/0x710 [ 1950.355918][ T74] netlink_sendmsg+0x723/0xbe0 [ 1950.355918][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1950.355918][ T74] ___sys_sendmsg+0xee/0x170 [ 1950.355918][ T74] __sys_sendmsg+0xcd/0x170 [ 1950.355918][ T74] do_syscall_64+0xc6/0x1e0 [ 1950.355918][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1950.355918][ T74] [ 1950.357608][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1950.357894][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1950.357894][ T74] dst_init+0x84/0x4a0 [ 1950.357894][ T74] dst_alloc+0x97/0x150 [ 1950.357894][ T74] ip6_dst_alloc+0x23/0x90 [ 1950.357894][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1950.357894][ T74] ip6_pol_route+0x56f/0x840 [ 1950.357894][ T74] fib6_rule_lookup+0x456/0x630 [ 1950.357894][ T74] ip6_route_input+0x59c/0xa50 [ 1950.357894][ T74] ipv6_rcv+0x397/0x810 [ 1950.357894][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1950.357894][ T74] process_backlog+0x101/0x620 [ 1950.357894][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1950.357894][ T74] net_rx_action+0x495/0xbe0 [ 1950.357894][ T74] __do_softirq+0x1b5/0x7f6 [ 1950.357894][ T74] [ 1950.359555][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1950.359555][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1950.359555][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1950.359555][ T74] fib6_nh_init+0xa22/0x1580 [ 1950.359555][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1950.359555][ T74] ip6_route_add+0x1c/0x140 [ 1950.359555][ T74] inet6_rtm_newroute+0x104/0x110 [ 1950.359555][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1950.359555][ T74] netlink_rcv_skb+0x130/0x360 [ 1950.359555][ T74] netlink_unicast+0x449/0x710 [ 1950.359555][ T74] netlink_sendmsg+0x723/0xbe0 [ 1950.359555][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1950.359555][ T74] ___sys_sendmsg+0xee/0x170 [ 1950.359555][ T74] __sys_sendmsg+0xcd/0x170 [ 1950.359555][ T74] do_syscall_64+0xc6/0x1e0 [ 1950.359555][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1950.359555][ T74] [ 1950.361441][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1950.361441][ T74] netdev_get_by_index+0x5e/0x80 [ 1950.361441][ T74] fib6_nh_init+0x3d8/0x1580 [ 1950.361441][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1950.361441][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1950.361441][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1950.361441][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1950.361441][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1950.361441][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1950.361441][ T74] addrconf_dad_begin+0x310/0x670 [ 1950.361441][ T74] addrconf_dad_work+0x10b/0xab0 [ 1950.361441][ T74] process_one_work+0x84d/0x18a0 [ 1950.361441][ T74] worker_thread+0x587/0xd30 [ 1950.361441][ T74] kthread+0x28a/0x350 [ 1950.361441][ T74] ret_from_fork+0x31/0x70 [ 1950.361441][ T74] ret_from_fork_asm+0x1a/0x30 [ 1950.361441][ T74] [ 1950.363915][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1950.363915][ T74] netdev_get_by_index+0x5e/0x80 [ 1950.363915][ T74] fib6_nh_init+0x3d8/0x1580 [ 1950.363915][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1950.363915][ T74] ip6_route_add+0x1c/0x140 [ 1950.363915][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1950.363915][ T74] inet6_addr_add+0x4f8/0xa40 [ 1950.363915][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1950.363915][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1950.363915][ T74] netlink_rcv_skb+0x130/0x360 [ 1950.363915][ T74] netlink_unicast+0x449/0x710 [ 1950.363915][ T74] netlink_sendmsg+0x723/0xbe0 [ 1950.363915][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1950.363915][ T74] ___sys_sendmsg+0xee/0x170 [ 1950.363915][ T74] __sys_sendmsg+0xcd/0x170 [ 1950.363915][ T74] do_syscall_64+0xc6/0x1e0 [ 1950.363915][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1950.363915][ T74] [ 1950.365936][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1950.365936][ T74] netdev_get_by_index+0x5e/0x80 [ 1950.365936][ T74] fib6_nh_init+0x3d8/0x1580 [ 1950.365936][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1950.365936][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1950.365936][ T74] ipv6_add_addr+0x411/0x2000 [ 1950.365936][ T74] inet6_addr_add+0x30e/0xa40 [ 1950.365936][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1950.365936][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1950.365936][ T74] netlink_rcv_skb+0x130/0x360 [ 1950.365936][ T74] netlink_unicast+0x449/0x710 [ 1950.365936][ T74] netlink_sendmsg+0x723/0xbe0 [ 1950.365936][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1950.365936][ T74] ___sys_sendmsg+0xee/0x170 [ 1950.365936][ T74] __sys_sendmsg+0xcd/0x170 [ 1950.365936][ T74] do_syscall_64+0xc6/0x1e0 [ 1950.365936][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1950.365936][ T74] [ 1950.367948][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1950.367948][ T74] netdev_get_by_index+0x5e/0x80 [ 1950.367948][ T74] fib6_nh_init+0x3d8/0x1580 [ 1950.367948][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1950.367948][ T74] ip6_route_add+0x1c/0x140 [ 1950.367948][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1950.367948][ T74] addrconf_add_dev+0xe2/0x170 [ 1950.367948][ T74] inet6_addr_add+0x12f/0xa40 [ 1950.367948][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1950.367948][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1950.367948][ T74] netlink_rcv_skb+0x130/0x360 [ 1950.367948][ T74] netlink_unicast+0x449/0x710 [ 1950.367948][ T74] netlink_sendmsg+0x723/0xbe0 [ 1950.367948][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1950.367948][ T74] ___sys_sendmsg+0xee/0x170 [ 1950.367948][ T74] __sys_sendmsg+0xcd/0x170 [ 1950.367948][ T74] do_syscall_64+0xc6/0x1e0 [ 1950.367948][ T74] [ 1950.369917][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1950.369917][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1950.369917][ T74] ipv6_find_idev+0x102/0x170 [ 1950.369917][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1950.369917][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1950.369917][ T74] netlink_rcv_skb+0x130/0x360 [ 1950.369917][ T74] netlink_unicast+0x449/0x710 [ 1950.369917][ T74] netlink_sendmsg+0x723/0xbe0 [ 1950.369917][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1950.369917][ T74] ___sys_sendmsg+0xee/0x170 [ 1950.369917][ T74] __sys_sendmsg+0xcd/0x170 [ 1950.369917][ T74] do_syscall_64+0xc6/0x1e0 [ 1950.369917][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1950.369917][ T74] [ 1950.371586][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1950.371586][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1950.371586][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1950.371586][ T74] ipv6_find_idev+0x102/0x170 [ 1950.371586][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1950.371586][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1950.371586][ T74] netlink_rcv_skb+0x130/0x360 [ 1950.371586][ T74] netlink_unicast+0x449/0x710 [ 1950.371586][ T74] netlink_sendmsg+0x723/0xbe0 [ 1950.371586][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1950.371586][ T74] ___sys_sendmsg+0xee/0x170 [ 1950.371586][ T74] __sys_sendmsg+0xcd/0x170 [ 1950.371586][ T74] do_syscall_64+0xc6/0x1e0 [ 1950.371586][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1950.371586][ T74] [ 1950.373542][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1950.373781][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1950.373781][ T74] netdev_get_by_index+0x5e/0x80 [ 1950.373781][ T74] fib6_nh_init+0x3d8/0x1580 [ 1950.373781][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1950.373781][ T74] ip6_route_add+0x1c/0x140 [ 1950.373781][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1950.373781][ T74] inet6_addr_add+0x4f8/0xa40 [ 1950.373781][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1950.373781][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1950.373781][ T74] netlink_rcv_skb+0x130/0x360 [ 1950.373781][ T74] netlink_unicast+0x449/0x710 [ 1950.373781][ T74] netlink_sendmsg+0x723/0xbe0 [ 1950.373781][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1950.373781][ T74] ___sys_sendmsg+0xee/0x170 [ 1950.373781][ T74] __sys_sendmsg+0xcd/0x170 [ 1950.373781][ T74] do_syscall_64+0xc6/0x1e0 [ 1950.373781][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1950.373781][ T74] [ 1950.376103][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1950.376103][ T74] netdev_get_by_index+0x5e/0x80 [ 1950.376103][ T74] fib6_nh_init+0x3d8/0x1580 [ 1950.376103][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1950.376103][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1950.376103][ T74] ipv6_add_addr+0x411/0x2000 [ 1950.376103][ T74] inet6_addr_add+0x30e/0xa40 [ 1950.376103][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1950.376103][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1950.376103][ T74] netlink_rcv_skb+0x130/0x360 [ 1950.376103][ T74] netlink_unicast+0x449/0x710 [ 1950.376103][ T74] netlink_sendmsg+0x723/0xbe0 [ 1950.376103][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1950.376103][ T74] ___sys_sendmsg+0xee/0x170 [ 1950.376103][ T74] __sys_sendmsg+0xcd/0x170 [ 1950.376103][ T74] do_syscall_64+0xc6/0x1e0 [ 1950.376103][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1950.376103][ T74] [ 1950.378651][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1950.378651][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1950.378651][ T74] ipv6_find_idev+0x102/0x170 [ 1950.378651][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1950.378651][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1950.378651][ T74] netlink_rcv_skb+0x130/0x360 [ 1950.378651][ T74] netlink_unicast+0x449/0x710 [ 1950.378651][ T74] netlink_sendmsg+0x723/0xbe0 [ 1950.378651][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1950.378651][ T74] ___sys_sendmsg+0xee/0x170 [ 1950.378651][ T74] __sys_sendmsg+0xcd/0x170 [ 1950.378651][ T74] do_syscall_64+0xc6/0x1e0 [ 1950.378651][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1950.378651][ T74] [ 1950.380387][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1950.380387][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1950.380387][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1950.380387][ T74] ipv6_find_idev+0x102/0x170 [ 1950.380387][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1950.380387][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1950.380387][ T74] netlink_rcv_skb+0x130/0x360 [ 1950.380387][ T74] netlink_unicast+0x449/0x710 [ 1950.380387][ T74] netlink_sendmsg+0x723/0xbe0 [ 1950.380387][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1950.380387][ T74] ___sys_sendmsg+0xee/0x170 [ 1950.380387][ T74] __sys_sendmsg+0xcd/0x170 [ 1950.380387][ T74] do_syscall_64+0xc6/0x1e0 [ 1950.380387][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1950.380387][ T74] [ 1960.623914][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1960.624383][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1960.624383][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1960.624383][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1960.624383][ T74] fib6_nh_init+0xa22/0x1580 [ 1960.624383][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1960.624383][ T74] ip6_route_add+0x1c/0x140 [ 1960.624383][ T74] inet6_rtm_newroute+0x104/0x110 [ 1960.624383][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1960.624383][ T74] netlink_rcv_skb+0x130/0x360 [ 1960.624383][ T74] netlink_unicast+0x449/0x710 [ 1960.624383][ T74] netlink_sendmsg+0x723/0xbe0 [ 1960.624383][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1960.624383][ T74] ___sys_sendmsg+0xee/0x170 [ 1960.624383][ T74] __sys_sendmsg+0xcd/0x170 [ 1960.624383][ T74] do_syscall_64+0xc6/0x1e0 [ 1960.624383][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1960.624383][ T74] [ 1960.626293][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1960.626293][ T74] netdev_get_by_index+0x5e/0x80 [ 1960.626293][ T74] fib6_nh_init+0x3d8/0x1580 [ 1960.626293][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1960.626293][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1960.626293][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1960.626293][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1960.626293][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1960.626293][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1960.626293][ T74] addrconf_dad_begin+0x310/0x670 [ 1960.626293][ T74] addrconf_dad_work+0x10b/0xab0 [ 1960.626293][ T74] process_one_work+0x84d/0x18a0 [ 1960.626293][ T74] worker_thread+0x587/0xd30 [ 1960.626293][ T74] kthread+0x28a/0x350 [ 1960.626293][ T74] ret_from_fork+0x31/0x70 [ 1960.626293][ T74] ret_from_fork_asm+0x1a/0x30 [ 1960.626293][ T74] [ 1960.628210][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1960.628210][ T74] netdev_get_by_index+0x5e/0x80 [ 1960.628210][ T74] fib6_nh_init+0x3d8/0x1580 [ 1960.628210][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1960.628210][ T74] ip6_route_add+0x1c/0x140 [ 1960.628210][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1960.628210][ T74] inet6_addr_add+0x4f8/0xa40 [ 1960.628210][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1960.628210][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1960.628210][ T74] netlink_rcv_skb+0x130/0x360 [ 1960.628210][ T74] netlink_unicast+0x449/0x710 [ 1960.628210][ T74] netlink_sendmsg+0x723/0xbe0 [ 1960.628210][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1960.628210][ T74] ___sys_sendmsg+0xee/0x170 [ 1960.628210][ T74] __sys_sendmsg+0xcd/0x170 [ 1960.628210][ T74] do_syscall_64+0xc6/0x1e0 [ 1960.628210][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1960.628210][ T74] [ 1960.630252][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1960.630252][ T74] netdev_get_by_index+0x5e/0x80 [ 1960.630252][ T74] fib6_nh_init+0x3d8/0x1580 [ 1960.630252][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1960.630252][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1960.630252][ T74] ipv6_add_addr+0x411/0x2000 [ 1960.630252][ T74] inet6_addr_add+0x30e/0xa40 [ 1960.630252][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1960.630252][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1960.630252][ T74] netlink_rcv_skb+0x130/0x360 [ 1960.630252][ T74] netlink_unicast+0x449/0x710 [ 1960.630252][ T74] netlink_sendmsg+0x723/0xbe0 [ 1960.630252][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1960.630252][ T74] ___sys_sendmsg+0xee/0x170 [ 1960.630252][ T74] __sys_sendmsg+0xcd/0x170 [ 1960.630252][ T74] do_syscall_64+0xc6/0x1e0 [ 1960.630252][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1960.630252][ T74] [ 1960.632275][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1960.632275][ T74] netdev_get_by_index+0x5e/0x80 [ 1960.632275][ T74] fib6_nh_init+0x3d8/0x1580 [ 1960.632275][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1960.632275][ T74] ip6_route_add+0x1c/0x140 [ 1960.632275][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1960.632275][ T74] addrconf_add_dev+0xe2/0x170 [ 1960.632275][ T74] inet6_addr_add+0x12f/0xa40 [ 1960.632275][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1960.632275][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1960.632275][ T74] netlink_rcv_skb+0x130/0x360 [ 1960.632275][ T74] netlink_unicast+0x449/0x710 [ 1960.632275][ T74] netlink_sendmsg+0x723/0xbe0 [ 1960.632275][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1960.632275][ T74] ___sys_sendmsg+0xee/0x170 [ 1960.632275][ T74] __sys_sendmsg+0xcd/0x170 [ 1960.632275][ T74] do_syscall_64+0xc6/0x1e0 [ 1960.632275][ T74] [ 1960.634249][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1960.634249][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1960.634249][ T74] ipv6_find_idev+0x102/0x170 [ 1960.634249][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1960.634249][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1960.634249][ T74] netlink_rcv_skb+0x130/0x360 [ 1960.634249][ T74] netlink_unicast+0x449/0x710 [ 1960.634249][ T74] netlink_sendmsg+0x723/0xbe0 [ 1960.634249][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1960.634249][ T74] ___sys_sendmsg+0xee/0x170 [ 1960.634249][ T74] __sys_sendmsg+0xcd/0x170 [ 1960.634249][ T74] do_syscall_64+0xc6/0x1e0 [ 1960.634249][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1960.634249][ T74] [ 1960.635830][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1960.635830][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1960.635830][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1960.635830][ T74] ipv6_find_idev+0x102/0x170 [ 1960.635830][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1960.635830][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1960.635830][ T74] netlink_rcv_skb+0x130/0x360 [ 1960.635830][ T74] netlink_unicast+0x449/0x710 [ 1960.635830][ T74] netlink_sendmsg+0x723/0xbe0 [ 1960.635830][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1960.635830][ T74] ___sys_sendmsg+0xee/0x170 [ 1960.635830][ T74] __sys_sendmsg+0xcd/0x170 [ 1960.635830][ T74] do_syscall_64+0xc6/0x1e0 [ 1960.635830][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1960.635830][ T74] [ 1960.637541][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1960.637827][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1960.637827][ T74] dst_init+0x84/0x4a0 [ 1960.637827][ T74] dst_alloc+0x97/0x150 [ 1960.637827][ T74] ip6_dst_alloc+0x23/0x90 [ 1960.637827][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1960.637827][ T74] ip6_pol_route+0x56f/0x840 [ 1960.637827][ T74] fib6_rule_lookup+0x456/0x630 [ 1960.637827][ T74] ip6_route_input+0x59c/0xa50 [ 1960.637827][ T74] ipv6_rcv+0x397/0x810 [ 1960.637827][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1960.637827][ T74] process_backlog+0x101/0x620 [ 1960.637827][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1960.637827][ T74] net_rx_action+0x495/0xbe0 [ 1960.637827][ T74] __do_softirq+0x1b5/0x7f6 [ 1960.637827][ T74] [ 1960.639476][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1960.639476][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1960.639476][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1960.639476][ T74] fib6_nh_init+0xa22/0x1580 [ 1960.639476][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1960.639476][ T74] ip6_route_add+0x1c/0x140 [ 1960.639476][ T74] inet6_rtm_newroute+0x104/0x110 [ 1960.639476][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1960.639476][ T74] netlink_rcv_skb+0x130/0x360 [ 1960.639476][ T74] netlink_unicast+0x449/0x710 [ 1960.639476][ T74] netlink_sendmsg+0x723/0xbe0 [ 1960.639476][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1960.639476][ T74] ___sys_sendmsg+0xee/0x170 [ 1960.639476][ T74] __sys_sendmsg+0xcd/0x170 [ 1960.639476][ T74] do_syscall_64+0xc6/0x1e0 [ 1960.639476][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1960.639476][ T74] [ 1960.641361][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1960.641361][ T74] netdev_get_by_index+0x5e/0x80 [ 1960.641361][ T74] fib6_nh_init+0x3d8/0x1580 [ 1960.641361][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1960.641361][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1960.641361][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1960.641361][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1960.641361][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1960.641361][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1960.641361][ T74] addrconf_dad_begin+0x310/0x670 [ 1960.641361][ T74] addrconf_dad_work+0x10b/0xab0 [ 1960.641361][ T74] process_one_work+0x84d/0x18a0 [ 1960.641361][ T74] worker_thread+0x587/0xd30 [ 1960.641361][ T74] kthread+0x28a/0x350 [ 1960.641361][ T74] ret_from_fork+0x31/0x70 [ 1960.641361][ T74] ret_from_fork_asm+0x1a/0x30 [ 1960.641361][ T74] [ 1960.643294][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1960.643294][ T74] netdev_get_by_index+0x5e/0x80 [ 1960.643294][ T74] fib6_nh_init+0x3d8/0x1580 [ 1960.643294][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1960.643294][ T74] ip6_route_add+0x1c/0x140 [ 1960.643294][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1960.643294][ T74] inet6_addr_add+0x4f8/0xa40 [ 1960.643294][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1960.643294][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1960.643294][ T74] netlink_rcv_skb+0x130/0x360 [ 1960.643294][ T74] netlink_unicast+0x449/0x710 [ 1960.643294][ T74] netlink_sendmsg+0x723/0xbe0 [ 1960.643294][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1960.643294][ T74] ___sys_sendmsg+0xee/0x170 [ 1960.643294][ T74] __sys_sendmsg+0xcd/0x170 [ 1960.643294][ T74] do_syscall_64+0xc6/0x1e0 [ 1960.643294][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1960.643294][ T74] [ 1960.645285][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1960.645285][ T74] netdev_get_by_index+0x5e/0x80 [ 1960.645285][ T74] fib6_nh_init+0x3d8/0x1580 [ 1960.645285][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1960.645285][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1960.645285][ T74] ipv6_add_addr+0x411/0x2000 [ 1960.645285][ T74] inet6_addr_add+0x30e/0xa40 [ 1960.645285][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1960.645285][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1960.645285][ T74] netlink_rcv_skb+0x130/0x360 [ 1960.645285][ T74] netlink_unicast+0x449/0x710 [ 1960.645285][ T74] netlink_sendmsg+0x723/0xbe0 [ 1960.645285][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1960.645285][ T74] ___sys_sendmsg+0xee/0x170 [ 1960.645285][ T74] __sys_sendmsg+0xcd/0x170 [ 1960.645285][ T74] do_syscall_64+0xc6/0x1e0 [ 1960.645285][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1960.645285][ T74] [ 1960.647288][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1960.647288][ T74] netdev_get_by_index+0x5e/0x80 [ 1960.647288][ T74] fib6_nh_init+0x3d8/0x1580 [ 1960.647288][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1960.647288][ T74] ip6_route_add+0x1c/0x140 [ 1960.647288][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1960.647288][ T74] addrconf_add_dev+0xe2/0x170 [ 1960.647288][ T74] inet6_addr_add+0x12f/0xa40 [ 1960.647288][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1960.647288][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1960.647288][ T74] netlink_rcv_skb+0x130/0x360 [ 1960.647288][ T74] netlink_unicast+0x449/0x710 [ 1960.647288][ T74] netlink_sendmsg+0x723/0xbe0 [ 1960.647288][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1960.647288][ T74] ___sys_sendmsg+0xee/0x170 [ 1960.647288][ T74] __sys_sendmsg+0xcd/0x170 [ 1960.647288][ T74] do_syscall_64+0xc6/0x1e0 [ 1960.647288][ T74] [ 1960.649250][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1960.649250][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1960.649250][ T74] ipv6_find_idev+0x102/0x170 [ 1960.649250][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1960.649250][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1960.649250][ T74] netlink_rcv_skb+0x130/0x360 [ 1960.649250][ T74] netlink_unicast+0x449/0x710 [ 1960.649250][ T74] netlink_sendmsg+0x723/0xbe0 [ 1960.649250][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1960.649250][ T74] ___sys_sendmsg+0xee/0x170 [ 1960.649250][ T74] __sys_sendmsg+0xcd/0x170 [ 1960.649250][ T74] do_syscall_64+0xc6/0x1e0 [ 1960.649250][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1960.649250][ T74] [ 1960.650926][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1960.650926][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1960.650926][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1960.650926][ T74] ipv6_find_idev+0x102/0x170 [ 1960.650926][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1960.650926][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1960.650926][ T74] netlink_rcv_skb+0x130/0x360 [ 1960.650926][ T74] netlink_unicast+0x449/0x710 [ 1960.650926][ T74] netlink_sendmsg+0x723/0xbe0 [ 1960.650926][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1960.650926][ T74] ___sys_sendmsg+0xee/0x170 [ 1960.650926][ T74] __sys_sendmsg+0xcd/0x170 [ 1960.650926][ T74] do_syscall_64+0xc6/0x1e0 [ 1960.650926][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1960.650926][ T74] [ 1960.652906][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1960.653177][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1960.653177][ T74] netdev_get_by_index+0x5e/0x80 [ 1960.653177][ T74] fib6_nh_init+0x3d8/0x1580 [ 1960.653177][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1960.653177][ T74] ip6_route_add+0x1c/0x140 [ 1960.653177][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1960.653177][ T74] inet6_addr_add+0x4f8/0xa40 [ 1960.653177][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1960.653177][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1960.653177][ T74] netlink_rcv_skb+0x130/0x360 [ 1960.653177][ T74] netlink_unicast+0x449/0x710 [ 1960.653177][ T74] netlink_sendmsg+0x723/0xbe0 [ 1960.653177][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1960.653177][ T74] ___sys_sendmsg+0xee/0x170 [ 1960.653177][ T74] __sys_sendmsg+0xcd/0x170 [ 1960.653177][ T74] do_syscall_64+0xc6/0x1e0 [ 1960.653177][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1960.653177][ T74] [ 1960.655421][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1960.655421][ T74] netdev_get_by_index+0x5e/0x80 [ 1960.655421][ T74] fib6_nh_init+0x3d8/0x1580 [ 1960.655421][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1960.655421][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1960.655421][ T74] ipv6_add_addr+0x411/0x2000 [ 1960.655421][ T74] inet6_addr_add+0x30e/0xa40 [ 1960.655421][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1960.655421][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1960.655421][ T74] netlink_rcv_skb+0x130/0x360 [ 1960.655421][ T74] netlink_unicast+0x449/0x710 [ 1960.655421][ T74] netlink_sendmsg+0x723/0xbe0 [ 1960.655421][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1960.655421][ T74] ___sys_sendmsg+0xee/0x170 [ 1960.655421][ T74] __sys_sendmsg+0xcd/0x170 [ 1960.655421][ T74] do_syscall_64+0xc6/0x1e0 [ 1960.655421][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1960.655421][ T74] [ 1960.657609][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1960.657609][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1960.657609][ T74] ipv6_find_idev+0x102/0x170 [ 1960.657609][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1960.657609][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1960.657609][ T74] netlink_rcv_skb+0x130/0x360 [ 1960.657609][ T74] netlink_unicast+0x449/0x710 [ 1960.657609][ T74] netlink_sendmsg+0x723/0xbe0 [ 1960.657609][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1960.657609][ T74] ___sys_sendmsg+0xee/0x170 [ 1960.657609][ T74] __sys_sendmsg+0xcd/0x170 [ 1960.657609][ T74] do_syscall_64+0xc6/0x1e0 [ 1960.657609][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1960.657609][ T74] [ 1960.659430][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1960.659430][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1960.659430][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1960.659430][ T74] ipv6_find_idev+0x102/0x170 [ 1960.659430][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1960.659430][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1960.659430][ T74] netlink_rcv_skb+0x130/0x360 [ 1960.659430][ T74] netlink_unicast+0x449/0x710 [ 1960.659430][ T74] netlink_sendmsg+0x723/0xbe0 [ 1960.659430][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1960.659430][ T74] ___sys_sendmsg+0xee/0x170 [ 1960.659430][ T74] __sys_sendmsg+0xcd/0x170 [ 1960.659430][ T74] do_syscall_64+0xc6/0x1e0 [ 1960.659430][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1960.659430][ T74] [ 1967.399973][ T42] INFO: task modprobe:7619 blocked for more than 368 seconds. [ 1967.400335][ T42] Not tainted 6.8.0-virtme #1 [ 1967.400461][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1967.400666][ T42] task:modprobe state:D stack:25856 pid:7619 tgid:7619 ppid:62 flags:0x00004002 [ 1967.400944][ T42] Call Trace: [ 1967.401047][ T42] [ 1967.401118][ T42] __schedule+0x705/0x1ac0 [ 1967.401256][ T42] ? __pfx___schedule+0x10/0x10 [ 1967.401381][ T42] ? schedule+0x1a5/0x210 [ 1967.401487][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1967.401618][ T42] ? mark_lock+0x38/0x3e0 [ 1967.401716][ T42] ? do_raw_spin_lock+0x131/0x270 [ 1967.401864][ T42] ? schedule+0x1a5/0x210 [ 1967.401968][ T42] schedule+0xdf/0x210 [ 1967.402064][ T42] schedule_preempt_disabled+0x15/0x30 [ 1967.402195][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 1967.402327][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 1967.402487][ T42] ? __pfx_console_unlock+0x10/0x10 [ 1967.402612][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1967.402752][ T42] ? lock_acquire+0x1c1/0x220 [ 1967.402894][ T42] ? register_pernet_subsys+0x1a/0x50 [ 1967.403027][ T42] down_write+0x1c9/0x200 [ 1967.403122][ T42] ? __pfx_down_write+0x10/0x10 [ 1967.403248][ T42] ? __pfx__printk+0x10/0x10 [ 1967.403379][ T42] ? __pfx___lock_release+0x10/0x10 [ 1967.403506][ T42] register_pernet_subsys+0x1a/0x50 [ 1967.403637][ T42] tcf_register_action+0xa3/0x600 [ 1967.403767][ T42] ? __pfx_gact_init_module+0x10/0x10 [act_gact] [ 1967.403940][ T42] do_one_initcall+0xc8/0x3f0 [ 1967.404070][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 1967.404196][ T42] ? __create_object+0x5e/0xb0 [ 1967.404327][ T42] ? kasan_unpoison+0x27/0x60 [ 1967.404464][ T42] do_init_module+0x233/0x740 [ 1967.404598][ T42] load_module+0x16b5/0x2350 [ 1967.404733][ T42] ? __pfx_load_module+0x10/0x10 [ 1967.404879][ T42] ? kernel_read_file+0x3d2/0x520 [ 1967.405014][ T42] ? kernel_read_file+0x300/0x520 [ 1967.405141][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 1967.405278][ T42] ? init_module_from_file+0xd2/0x130 [ 1967.405400][ T42] init_module_from_file+0xd2/0x130 [ 1967.405524][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 1967.405680][ T42] ? __lock_release+0x103/0x460 [ 1967.405802][ T42] ? idempotent_init_module+0x32a/0x620 [ 1967.405960][ T42] ? idempotent_init_module+0x32a/0x620 [ 1967.406091][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 1967.406220][ T42] idempotent_init_module+0x342/0x620 [ 1967.406356][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 1967.406530][ T42] __x64_sys_finit_module+0xbe/0x130 [ 1967.406655][ T42] do_syscall_64+0xc6/0x1e0 [ 1967.406787][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1967.406959][ T42] RIP: 0033:0x7f1db4f62e5d [ 1967.407100][ T42] RSP: 002b:00007ffe8261b448 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 1967.407292][ T42] RAX: ffffffffffffffda RBX: 0000555e1791ec80 RCX: 00007f1db4f62e5d [ 1967.407484][ T42] RDX: 0000000000000000 RSI: 0000555dd93dca2a RDI: 0000000000000000 [ 1967.407683][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007ffe8261b580 [ 1967.407881][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555dd93dca2a [ 1967.408066][ T42] R13: 0000555e1791eac0 R14: 0000555e1791f0b0 R15: 0000555e1791ecf1 [ 1967.408262][ T42] [ 1967.408370][ T42] [ 1967.408370][ T42] Showing all locks held in the system: [ 1967.408553][ T42] 1 lock held by khungtaskd/42: [ 1967.408673][ T42] #0: ffffffff9a7591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 1967.408922][ T42] 2 locks held by kworker/u18:1/62: [ 1967.409044][ T42] #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 1967.409296][ T42] #1: ffffc9000043fda0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 1967.409592][ T42] 3 locks held by kworker/u16:1/74: [ 1967.409711][ T42] #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 1967.409971][ T42] #1: ffffc900004ffda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 1967.410194][ T42] #2: ffffffff9af6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60 [ 1967.410414][ T42] 1 lock held by modprobe/7619: [ 1967.410542][ T42] #0: ffffffff9af6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 1967.410785][ T42] [ 1967.410862][ T42] ============================================= [ 1967.410862][ T42] [ 1970.807989][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1970.808386][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1970.808386][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1970.808386][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1970.808386][ T74] fib6_nh_init+0xa22/0x1580 [ 1970.808386][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1970.808386][ T74] ip6_route_add+0x1c/0x140 [ 1970.808386][ T74] inet6_rtm_newroute+0x104/0x110 [ 1970.808386][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1970.808386][ T74] netlink_rcv_skb+0x130/0x360 [ 1970.808386][ T74] netlink_unicast+0x449/0x710 [ 1970.808386][ T74] netlink_sendmsg+0x723/0xbe0 [ 1970.808386][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1970.808386][ T74] ___sys_sendmsg+0xee/0x170 [ 1970.808386][ T74] __sys_sendmsg+0xcd/0x170 [ 1970.808386][ T74] do_syscall_64+0xc6/0x1e0 [ 1970.808386][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1970.808386][ T74] [ 1970.810330][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1970.810330][ T74] netdev_get_by_index+0x5e/0x80 [ 1970.810330][ T74] fib6_nh_init+0x3d8/0x1580 [ 1970.810330][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1970.810330][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1970.810330][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1970.810330][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1970.810330][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1970.810330][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1970.810330][ T74] addrconf_dad_begin+0x310/0x670 [ 1970.810330][ T74] addrconf_dad_work+0x10b/0xab0 [ 1970.810330][ T74] process_one_work+0x84d/0x18a0 [ 1970.810330][ T74] worker_thread+0x587/0xd30 [ 1970.810330][ T74] kthread+0x28a/0x350 [ 1970.810330][ T74] ret_from_fork+0x31/0x70 [ 1970.810330][ T74] ret_from_fork_asm+0x1a/0x30 [ 1970.810330][ T74] [ 1970.812251][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1970.812251][ T74] netdev_get_by_index+0x5e/0x80 [ 1970.812251][ T74] fib6_nh_init+0x3d8/0x1580 [ 1970.812251][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1970.812251][ T74] ip6_route_add+0x1c/0x140 [ 1970.812251][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1970.812251][ T74] inet6_addr_add+0x4f8/0xa40 [ 1970.812251][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1970.812251][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1970.812251][ T74] netlink_rcv_skb+0x130/0x360 [ 1970.812251][ T74] netlink_unicast+0x449/0x710 [ 1970.812251][ T74] netlink_sendmsg+0x723/0xbe0 [ 1970.812251][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1970.812251][ T74] ___sys_sendmsg+0xee/0x170 [ 1970.812251][ T74] __sys_sendmsg+0xcd/0x170 [ 1970.812251][ T74] do_syscall_64+0xc6/0x1e0 [ 1970.812251][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1970.812251][ T74] [ 1970.814262][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1970.814262][ T74] netdev_get_by_index+0x5e/0x80 [ 1970.814262][ T74] fib6_nh_init+0x3d8/0x1580 [ 1970.814262][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1970.814262][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1970.814262][ T74] ipv6_add_addr+0x411/0x2000 [ 1970.814262][ T74] inet6_addr_add+0x30e/0xa40 [ 1970.814262][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1970.814262][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1970.814262][ T74] netlink_rcv_skb+0x130/0x360 [ 1970.814262][ T74] netlink_unicast+0x449/0x710 [ 1970.814262][ T74] netlink_sendmsg+0x723/0xbe0 [ 1970.814262][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1970.814262][ T74] ___sys_sendmsg+0xee/0x170 [ 1970.814262][ T74] __sys_sendmsg+0xcd/0x170 [ 1970.814262][ T74] do_syscall_64+0xc6/0x1e0 [ 1970.814262][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1970.814262][ T74] [ 1970.816271][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1970.816271][ T74] netdev_get_by_index+0x5e/0x80 [ 1970.816271][ T74] fib6_nh_init+0x3d8/0x1580 [ 1970.816271][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1970.816271][ T74] ip6_route_add+0x1c/0x140 [ 1970.816271][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1970.816271][ T74] addrconf_add_dev+0xe2/0x170 [ 1970.816271][ T74] inet6_addr_add+0x12f/0xa40 [ 1970.816271][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1970.816271][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1970.816271][ T74] netlink_rcv_skb+0x130/0x360 [ 1970.816271][ T74] netlink_unicast+0x449/0x710 [ 1970.816271][ T74] netlink_sendmsg+0x723/0xbe0 [ 1970.816271][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1970.816271][ T74] ___sys_sendmsg+0xee/0x170 [ 1970.816271][ T74] __sys_sendmsg+0xcd/0x170 [ 1970.816271][ T74] do_syscall_64+0xc6/0x1e0 [ 1970.816271][ T74] [ 1970.818234][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1970.818234][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1970.818234][ T74] ipv6_find_idev+0x102/0x170 [ 1970.818234][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1970.818234][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1970.818234][ T74] netlink_rcv_skb+0x130/0x360 [ 1970.818234][ T74] netlink_unicast+0x449/0x710 [ 1970.818234][ T74] netlink_sendmsg+0x723/0xbe0 [ 1970.818234][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1970.818234][ T74] ___sys_sendmsg+0xee/0x170 [ 1970.818234][ T74] __sys_sendmsg+0xcd/0x170 [ 1970.818234][ T74] do_syscall_64+0xc6/0x1e0 [ 1970.818234][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1970.818234][ T74] [ 1970.819798][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1970.819798][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1970.819798][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1970.819798][ T74] ipv6_find_idev+0x102/0x170 [ 1970.819798][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1970.819798][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1970.819798][ T74] netlink_rcv_skb+0x130/0x360 [ 1970.819798][ T74] netlink_unicast+0x449/0x710 [ 1970.819798][ T74] netlink_sendmsg+0x723/0xbe0 [ 1970.819798][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1970.819798][ T74] ___sys_sendmsg+0xee/0x170 [ 1970.819798][ T74] __sys_sendmsg+0xcd/0x170 [ 1970.819798][ T74] do_syscall_64+0xc6/0x1e0 [ 1970.819798][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1970.819798][ T74] [ 1970.821509][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1970.821789][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1970.821789][ T74] dst_init+0x84/0x4a0 [ 1970.821789][ T74] dst_alloc+0x97/0x150 [ 1970.821789][ T74] ip6_dst_alloc+0x23/0x90 [ 1970.821789][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1970.821789][ T74] ip6_pol_route+0x56f/0x840 [ 1970.821789][ T74] fib6_rule_lookup+0x456/0x630 [ 1970.821789][ T74] ip6_route_input+0x59c/0xa50 [ 1970.821789][ T74] ipv6_rcv+0x397/0x810 [ 1970.821789][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1970.821789][ T74] process_backlog+0x101/0x620 [ 1970.821789][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1970.821789][ T74] net_rx_action+0x495/0xbe0 [ 1970.821789][ T74] __do_softirq+0x1b5/0x7f6 [ 1970.821789][ T74] [ 1970.823438][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1970.823438][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1970.823438][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1970.823438][ T74] fib6_nh_init+0xa22/0x1580 [ 1970.823438][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1970.823438][ T74] ip6_route_add+0x1c/0x140 [ 1970.823438][ T74] inet6_rtm_newroute+0x104/0x110 [ 1970.823438][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1970.823438][ T74] netlink_rcv_skb+0x130/0x360 [ 1970.823438][ T74] netlink_unicast+0x449/0x710 [ 1970.823438][ T74] netlink_sendmsg+0x723/0xbe0 [ 1970.823438][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1970.823438][ T74] ___sys_sendmsg+0xee/0x170 [ 1970.823438][ T74] __sys_sendmsg+0xcd/0x170 [ 1970.823438][ T74] do_syscall_64+0xc6/0x1e0 [ 1970.823438][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1970.823438][ T74] [ 1970.825326][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1970.825326][ T74] netdev_get_by_index+0x5e/0x80 [ 1970.825326][ T74] fib6_nh_init+0x3d8/0x1580 [ 1970.825326][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1970.825326][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1970.825326][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1970.825326][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1970.825326][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1970.825326][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1970.825326][ T74] addrconf_dad_begin+0x310/0x670 [ 1970.825326][ T74] addrconf_dad_work+0x10b/0xab0 [ 1970.825326][ T74] process_one_work+0x84d/0x18a0 [ 1970.825326][ T74] worker_thread+0x587/0xd30 [ 1970.825326][ T74] kthread+0x28a/0x350 [ 1970.825326][ T74] ret_from_fork+0x31/0x70 [ 1970.825326][ T74] ret_from_fork_asm+0x1a/0x30 [ 1970.825326][ T74] [ 1970.827246][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1970.827246][ T74] netdev_get_by_index+0x5e/0x80 [ 1970.827246][ T74] fib6_nh_init+0x3d8/0x1580 [ 1970.827246][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1970.827246][ T74] ip6_route_add+0x1c/0x140 [ 1970.827246][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1970.827246][ T74] inet6_addr_add+0x4f8/0xa40 [ 1970.827246][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1970.827246][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1970.827246][ T74] netlink_rcv_skb+0x130/0x360 [ 1970.827246][ T74] netlink_unicast+0x449/0x710 [ 1970.827246][ T74] netlink_sendmsg+0x723/0xbe0 [ 1970.827246][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1970.827246][ T74] ___sys_sendmsg+0xee/0x170 [ 1970.827246][ T74] __sys_sendmsg+0xcd/0x170 [ 1970.827246][ T74] do_syscall_64+0xc6/0x1e0 [ 1970.827246][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1970.827246][ T74] [ 1970.829270][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1970.829270][ T74] netdev_get_by_index+0x5e/0x80 [ 1970.829270][ T74] fib6_nh_init+0x3d8/0x1580 [ 1970.829270][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1970.829270][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1970.829270][ T74] ipv6_add_addr+0x411/0x2000 [ 1970.829270][ T74] inet6_addr_add+0x30e/0xa40 [ 1970.829270][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1970.829270][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1970.829270][ T74] netlink_rcv_skb+0x130/0x360 [ 1970.829270][ T74] netlink_unicast+0x449/0x710 [ 1970.829270][ T74] netlink_sendmsg+0x723/0xbe0 [ 1970.829270][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1970.829270][ T74] ___sys_sendmsg+0xee/0x170 [ 1970.829270][ T74] __sys_sendmsg+0xcd/0x170 [ 1970.829270][ T74] do_syscall_64+0xc6/0x1e0 [ 1970.829270][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1970.829270][ T74] [ 1970.831274][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1970.831274][ T74] netdev_get_by_index+0x5e/0x80 [ 1970.831274][ T74] fib6_nh_init+0x3d8/0x1580 [ 1970.831274][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1970.831274][ T74] ip6_route_add+0x1c/0x140 [ 1970.831274][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1970.831274][ T74] addrconf_add_dev+0xe2/0x170 [ 1970.831274][ T74] inet6_addr_add+0x12f/0xa40 [ 1970.831274][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1970.831274][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1970.831274][ T74] netlink_rcv_skb+0x130/0x360 [ 1970.831274][ T74] netlink_unicast+0x449/0x710 [ 1970.831274][ T74] netlink_sendmsg+0x723/0xbe0 [ 1970.831274][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1970.831274][ T74] ___sys_sendmsg+0xee/0x170 [ 1970.831274][ T74] __sys_sendmsg+0xcd/0x170 [ 1970.831274][ T74] do_syscall_64+0xc6/0x1e0 [ 1970.831274][ T74] [ 1970.833233][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1970.833233][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1970.833233][ T74] ipv6_find_idev+0x102/0x170 [ 1970.833233][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1970.833233][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1970.833233][ T74] netlink_rcv_skb+0x130/0x360 [ 1970.833233][ T74] netlink_unicast+0x449/0x710 [ 1970.833233][ T74] netlink_sendmsg+0x723/0xbe0 [ 1970.833233][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1970.833233][ T74] ___sys_sendmsg+0xee/0x170 [ 1970.833233][ T74] __sys_sendmsg+0xcd/0x170 [ 1970.833233][ T74] do_syscall_64+0xc6/0x1e0 [ 1970.833233][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1970.833233][ T74] [ 1970.834831][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1970.834831][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1970.834831][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1970.834831][ T74] ipv6_find_idev+0x102/0x170 [ 1970.834831][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1970.834831][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1970.834831][ T74] netlink_rcv_skb+0x130/0x360 [ 1970.834831][ T74] netlink_unicast+0x449/0x710 [ 1970.834831][ T74] netlink_sendmsg+0x723/0xbe0 [ 1970.834831][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1970.834831][ T74] ___sys_sendmsg+0xee/0x170 [ 1970.834831][ T74] __sys_sendmsg+0xcd/0x170 [ 1970.834831][ T74] do_syscall_64+0xc6/0x1e0 [ 1970.834831][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1970.834831][ T74] [ 1970.836817][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1970.837069][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1970.837069][ T74] netdev_get_by_index+0x5e/0x80 [ 1970.837069][ T74] fib6_nh_init+0x3d8/0x1580 [ 1970.837069][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1970.837069][ T74] ip6_route_add+0x1c/0x140 [ 1970.837069][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1970.837069][ T74] inet6_addr_add+0x4f8/0xa40 [ 1970.837069][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1970.837069][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1970.837069][ T74] netlink_rcv_skb+0x130/0x360 [ 1970.837069][ T74] netlink_unicast+0x449/0x710 [ 1970.837069][ T74] netlink_sendmsg+0x723/0xbe0 [ 1970.837069][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1970.837069][ T74] ___sys_sendmsg+0xee/0x170 [ 1970.837069][ T74] __sys_sendmsg+0xcd/0x170 [ 1970.837069][ T74] do_syscall_64+0xc6/0x1e0 [ 1970.837069][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1970.837069][ T74] [ 1970.839318][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1970.839318][ T74] netdev_get_by_index+0x5e/0x80 [ 1970.839318][ T74] fib6_nh_init+0x3d8/0x1580 [ 1970.839318][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1970.839318][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1970.839318][ T74] ipv6_add_addr+0x411/0x2000 [ 1970.839318][ T74] inet6_addr_add+0x30e/0xa40 [ 1970.839318][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1970.839318][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1970.839318][ T74] netlink_rcv_skb+0x130/0x360 [ 1970.839318][ T74] netlink_unicast+0x449/0x710 [ 1970.839318][ T74] netlink_sendmsg+0x723/0xbe0 [ 1970.839318][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1970.839318][ T74] ___sys_sendmsg+0xee/0x170 [ 1970.839318][ T74] __sys_sendmsg+0xcd/0x170 [ 1970.839318][ T74] do_syscall_64+0xc6/0x1e0 [ 1970.839318][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1970.839318][ T74] [ 1970.841495][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1970.841495][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1970.841495][ T74] ipv6_find_idev+0x102/0x170 [ 1970.841495][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1970.841495][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1970.841495][ T74] netlink_rcv_skb+0x130/0x360 [ 1970.841495][ T74] netlink_unicast+0x449/0x710 [ 1970.841495][ T74] netlink_sendmsg+0x723/0xbe0 [ 1970.841495][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1970.841495][ T74] ___sys_sendmsg+0xee/0x170 [ 1970.841495][ T74] __sys_sendmsg+0xcd/0x170 [ 1970.841495][ T74] do_syscall_64+0xc6/0x1e0 [ 1970.841495][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1970.841495][ T74] [ 1970.843151][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1970.843151][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1970.843151][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1970.843151][ T74] ipv6_find_idev+0x102/0x170 [ 1970.843151][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1970.843151][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1970.843151][ T74] netlink_rcv_skb+0x130/0x360 [ 1970.843151][ T74] netlink_unicast+0x449/0x710 [ 1970.843151][ T74] netlink_sendmsg+0x723/0xbe0 [ 1970.843151][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1970.843151][ T74] ___sys_sendmsg+0xee/0x170 [ 1970.843151][ T74] __sys_sendmsg+0xcd/0x170 [ 1970.843151][ T74] do_syscall_64+0xc6/0x1e0 [ 1970.843151][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1970.843151][ T74] [ 1981.096082][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1981.096540][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1981.096540][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1981.096540][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1981.096540][ T74] fib6_nh_init+0xa22/0x1580 [ 1981.096540][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1981.096540][ T74] ip6_route_add+0x1c/0x140 [ 1981.096540][ T74] inet6_rtm_newroute+0x104/0x110 [ 1981.096540][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1981.096540][ T74] netlink_rcv_skb+0x130/0x360 [ 1981.096540][ T74] netlink_unicast+0x449/0x710 [ 1981.096540][ T74] netlink_sendmsg+0x723/0xbe0 [ 1981.096540][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1981.096540][ T74] ___sys_sendmsg+0xee/0x170 [ 1981.096540][ T74] __sys_sendmsg+0xcd/0x170 [ 1981.096540][ T74] do_syscall_64+0xc6/0x1e0 [ 1981.096540][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1981.096540][ T74] [ 1981.098468][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1981.098468][ T74] netdev_get_by_index+0x5e/0x80 [ 1981.098468][ T74] fib6_nh_init+0x3d8/0x1580 [ 1981.098468][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1981.098468][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1981.098468][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1981.098468][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1981.098468][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1981.098468][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1981.098468][ T74] addrconf_dad_begin+0x310/0x670 [ 1981.098468][ T74] addrconf_dad_work+0x10b/0xab0 [ 1981.098468][ T74] process_one_work+0x84d/0x18a0 [ 1981.098468][ T74] worker_thread+0x587/0xd30 [ 1981.098468][ T74] kthread+0x28a/0x350 [ 1981.098468][ T74] ret_from_fork+0x31/0x70 [ 1981.098468][ T74] ret_from_fork_asm+0x1a/0x30 [ 1981.098468][ T74] [ 1981.100420][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1981.100420][ T74] netdev_get_by_index+0x5e/0x80 [ 1981.100420][ T74] fib6_nh_init+0x3d8/0x1580 [ 1981.100420][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1981.100420][ T74] ip6_route_add+0x1c/0x140 [ 1981.100420][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1981.100420][ T74] inet6_addr_add+0x4f8/0xa40 [ 1981.100420][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1981.100420][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1981.100420][ T74] netlink_rcv_skb+0x130/0x360 [ 1981.100420][ T74] netlink_unicast+0x449/0x710 [ 1981.100420][ T74] netlink_sendmsg+0x723/0xbe0 [ 1981.100420][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1981.100420][ T74] ___sys_sendmsg+0xee/0x170 [ 1981.100420][ T74] __sys_sendmsg+0xcd/0x170 [ 1981.100420][ T74] do_syscall_64+0xc6/0x1e0 [ 1981.100420][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1981.100420][ T74] [ 1981.102419][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1981.102419][ T74] netdev_get_by_index+0x5e/0x80 [ 1981.102419][ T74] fib6_nh_init+0x3d8/0x1580 [ 1981.102419][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1981.102419][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1981.102419][ T74] ipv6_add_addr+0x411/0x2000 [ 1981.102419][ T74] inet6_addr_add+0x30e/0xa40 [ 1981.102419][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1981.102419][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1981.102419][ T74] netlink_rcv_skb+0x130/0x360 [ 1981.102419][ T74] netlink_unicast+0x449/0x710 [ 1981.102419][ T74] netlink_sendmsg+0x723/0xbe0 [ 1981.102419][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1981.102419][ T74] ___sys_sendmsg+0xee/0x170 [ 1981.102419][ T74] __sys_sendmsg+0xcd/0x170 [ 1981.102419][ T74] do_syscall_64+0xc6/0x1e0 [ 1981.102419][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1981.102419][ T74] [ 1981.104435][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1981.104435][ T74] netdev_get_by_index+0x5e/0x80 [ 1981.104435][ T74] fib6_nh_init+0x3d8/0x1580 [ 1981.104435][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1981.104435][ T74] ip6_route_add+0x1c/0x140 [ 1981.104435][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1981.104435][ T74] addrconf_add_dev+0xe2/0x170 [ 1981.104435][ T74] inet6_addr_add+0x12f/0xa40 [ 1981.104435][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1981.104435][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1981.104435][ T74] netlink_rcv_skb+0x130/0x360 [ 1981.104435][ T74] netlink_unicast+0x449/0x710 [ 1981.104435][ T74] netlink_sendmsg+0x723/0xbe0 [ 1981.104435][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1981.104435][ T74] ___sys_sendmsg+0xee/0x170 [ 1981.104435][ T74] __sys_sendmsg+0xcd/0x170 [ 1981.104435][ T74] do_syscall_64+0xc6/0x1e0 [ 1981.104435][ T74] [ 1981.106427][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1981.106427][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1981.106427][ T74] ipv6_find_idev+0x102/0x170 [ 1981.106427][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1981.106427][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1981.106427][ T74] netlink_rcv_skb+0x130/0x360 [ 1981.106427][ T74] netlink_unicast+0x449/0x710 [ 1981.106427][ T74] netlink_sendmsg+0x723/0xbe0 [ 1981.106427][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1981.106427][ T74] ___sys_sendmsg+0xee/0x170 [ 1981.106427][ T74] __sys_sendmsg+0xcd/0x170 [ 1981.106427][ T74] do_syscall_64+0xc6/0x1e0 [ 1981.106427][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1981.106427][ T74] [ 1981.107967][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1981.107967][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1981.107967][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1981.107967][ T74] ipv6_find_idev+0x102/0x170 [ 1981.107967][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1981.107967][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1981.107967][ T74] netlink_rcv_skb+0x130/0x360 [ 1981.107967][ T74] netlink_unicast+0x449/0x710 [ 1981.107967][ T74] netlink_sendmsg+0x723/0xbe0 [ 1981.107967][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1981.107967][ T74] ___sys_sendmsg+0xee/0x170 [ 1981.107967][ T74] __sys_sendmsg+0xcd/0x170 [ 1981.107967][ T74] do_syscall_64+0xc6/0x1e0 [ 1981.107967][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1981.107967][ T74] [ 1981.109695][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1981.109985][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1981.109985][ T74] dst_init+0x84/0x4a0 [ 1981.109985][ T74] dst_alloc+0x97/0x150 [ 1981.109985][ T74] ip6_dst_alloc+0x23/0x90 [ 1981.109985][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1981.109985][ T74] ip6_pol_route+0x56f/0x840 [ 1981.109985][ T74] fib6_rule_lookup+0x456/0x630 [ 1981.109985][ T74] ip6_route_input+0x59c/0xa50 [ 1981.109985][ T74] ipv6_rcv+0x397/0x810 [ 1981.109985][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1981.109985][ T74] process_backlog+0x101/0x620 [ 1981.109985][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1981.109985][ T74] net_rx_action+0x495/0xbe0 [ 1981.109985][ T74] __do_softirq+0x1b5/0x7f6 [ 1981.109985][ T74] [ 1981.111621][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1981.111621][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1981.111621][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1981.111621][ T74] fib6_nh_init+0xa22/0x1580 [ 1981.111621][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1981.111621][ T74] ip6_route_add+0x1c/0x140 [ 1981.111621][ T74] inet6_rtm_newroute+0x104/0x110 [ 1981.111621][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1981.111621][ T74] netlink_rcv_skb+0x130/0x360 [ 1981.111621][ T74] netlink_unicast+0x449/0x710 [ 1981.111621][ T74] netlink_sendmsg+0x723/0xbe0 [ 1981.111621][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1981.111621][ T74] ___sys_sendmsg+0xee/0x170 [ 1981.111621][ T74] __sys_sendmsg+0xcd/0x170 [ 1981.111621][ T74] do_syscall_64+0xc6/0x1e0 [ 1981.111621][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1981.111621][ T74] [ 1981.113494][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1981.113494][ T74] netdev_get_by_index+0x5e/0x80 [ 1981.113494][ T74] fib6_nh_init+0x3d8/0x1580 [ 1981.113494][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1981.113494][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1981.113494][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1981.113494][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1981.113494][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1981.113494][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1981.113494][ T74] addrconf_dad_begin+0x310/0x670 [ 1981.113494][ T74] addrconf_dad_work+0x10b/0xab0 [ 1981.113494][ T74] process_one_work+0x84d/0x18a0 [ 1981.113494][ T74] worker_thread+0x587/0xd30 [ 1981.113494][ T74] kthread+0x28a/0x350 [ 1981.113494][ T74] ret_from_fork+0x31/0x70 [ 1981.113494][ T74] ret_from_fork_asm+0x1a/0x30 [ 1981.113494][ T74] [ 1981.115429][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1981.115429][ T74] netdev_get_by_index+0x5e/0x80 [ 1981.115429][ T74] fib6_nh_init+0x3d8/0x1580 [ 1981.115429][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1981.115429][ T74] ip6_route_add+0x1c/0x140 [ 1981.115429][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1981.115429][ T74] inet6_addr_add+0x4f8/0xa40 [ 1981.115429][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1981.115429][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1981.115429][ T74] netlink_rcv_skb+0x130/0x360 [ 1981.115429][ T74] netlink_unicast+0x449/0x710 [ 1981.115429][ T74] netlink_sendmsg+0x723/0xbe0 [ 1981.115429][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1981.115429][ T74] ___sys_sendmsg+0xee/0x170 [ 1981.115429][ T74] __sys_sendmsg+0xcd/0x170 [ 1981.115429][ T74] do_syscall_64+0xc6/0x1e0 [ 1981.115429][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1981.115429][ T74] [ 1981.117427][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1981.117427][ T74] netdev_get_by_index+0x5e/0x80 [ 1981.117427][ T74] fib6_nh_init+0x3d8/0x1580 [ 1981.117427][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1981.117427][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1981.117427][ T74] ipv6_add_addr+0x411/0x2000 [ 1981.117427][ T74] inet6_addr_add+0x30e/0xa40 [ 1981.117427][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1981.117427][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1981.117427][ T74] netlink_rcv_skb+0x130/0x360 [ 1981.117427][ T74] netlink_unicast+0x449/0x710 [ 1981.117427][ T74] netlink_sendmsg+0x723/0xbe0 [ 1981.117427][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1981.117427][ T74] ___sys_sendmsg+0xee/0x170 [ 1981.117427][ T74] __sys_sendmsg+0xcd/0x170 [ 1981.117427][ T74] do_syscall_64+0xc6/0x1e0 [ 1981.117427][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1981.117427][ T74] [ 1981.119466][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1981.119466][ T74] netdev_get_by_index+0x5e/0x80 [ 1981.119466][ T74] fib6_nh_init+0x3d8/0x1580 [ 1981.119466][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1981.119466][ T74] ip6_route_add+0x1c/0x140 [ 1981.119466][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1981.119466][ T74] addrconf_add_dev+0xe2/0x170 [ 1981.119466][ T74] inet6_addr_add+0x12f/0xa40 [ 1981.119466][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1981.119466][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1981.119466][ T74] netlink_rcv_skb+0x130/0x360 [ 1981.119466][ T74] netlink_unicast+0x449/0x710 [ 1981.119466][ T74] netlink_sendmsg+0x723/0xbe0 [ 1981.119466][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1981.119466][ T74] ___sys_sendmsg+0xee/0x170 [ 1981.119466][ T74] __sys_sendmsg+0xcd/0x170 [ 1981.119466][ T74] do_syscall_64+0xc6/0x1e0 [ 1981.119466][ T74] [ 1981.121430][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1981.121430][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1981.121430][ T74] ipv6_find_idev+0x102/0x170 [ 1981.121430][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1981.121430][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1981.121430][ T74] netlink_rcv_skb+0x130/0x360 [ 1981.121430][ T74] netlink_unicast+0x449/0x710 [ 1981.121430][ T74] netlink_sendmsg+0x723/0xbe0 [ 1981.121430][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1981.121430][ T74] ___sys_sendmsg+0xee/0x170 [ 1981.121430][ T74] __sys_sendmsg+0xcd/0x170 [ 1981.121430][ T74] do_syscall_64+0xc6/0x1e0 [ 1981.121430][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1981.121430][ T74] [ 1981.123086][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1981.123086][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1981.123086][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1981.123086][ T74] ipv6_find_idev+0x102/0x170 [ 1981.123086][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1981.123086][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1981.123086][ T74] netlink_rcv_skb+0x130/0x360 [ 1981.123086][ T74] netlink_unicast+0x449/0x710 [ 1981.123086][ T74] netlink_sendmsg+0x723/0xbe0 [ 1981.123086][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1981.123086][ T74] ___sys_sendmsg+0xee/0x170 [ 1981.123086][ T74] __sys_sendmsg+0xcd/0x170 [ 1981.123086][ T74] do_syscall_64+0xc6/0x1e0 [ 1981.123086][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1981.123086][ T74] [ 1981.124973][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1981.125273][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1981.125273][ T74] netdev_get_by_index+0x5e/0x80 [ 1981.125273][ T74] fib6_nh_init+0x3d8/0x1580 [ 1981.125273][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1981.125273][ T74] ip6_route_add+0x1c/0x140 [ 1981.125273][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1981.125273][ T74] inet6_addr_add+0x4f8/0xa40 [ 1981.125273][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1981.125273][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1981.125273][ T74] netlink_rcv_skb+0x130/0x360 [ 1981.125273][ T74] netlink_unicast+0x449/0x710 [ 1981.125273][ T74] netlink_sendmsg+0x723/0xbe0 [ 1981.125273][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1981.125273][ T74] ___sys_sendmsg+0xee/0x170 [ 1981.125273][ T74] __sys_sendmsg+0xcd/0x170 [ 1981.125273][ T74] do_syscall_64+0xc6/0x1e0 [ 1981.125273][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1981.125273][ T74] [ 1981.127437][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1981.127437][ T74] netdev_get_by_index+0x5e/0x80 [ 1981.127437][ T74] fib6_nh_init+0x3d8/0x1580 [ 1981.127437][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1981.127437][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1981.127437][ T74] ipv6_add_addr+0x411/0x2000 [ 1981.127437][ T74] inet6_addr_add+0x30e/0xa40 [ 1981.127437][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1981.127437][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1981.127437][ T74] netlink_rcv_skb+0x130/0x360 [ 1981.127437][ T74] netlink_unicast+0x449/0x710 [ 1981.127437][ T74] netlink_sendmsg+0x723/0xbe0 [ 1981.127437][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1981.127437][ T74] ___sys_sendmsg+0xee/0x170 [ 1981.127437][ T74] __sys_sendmsg+0xcd/0x170 [ 1981.127437][ T74] do_syscall_64+0xc6/0x1e0 [ 1981.127437][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1981.127437][ T74] [ 1981.129723][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1981.129723][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1981.129723][ T74] ipv6_find_idev+0x102/0x170 [ 1981.129723][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1981.129723][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1981.129723][ T74] netlink_rcv_skb+0x130/0x360 [ 1981.129723][ T74] netlink_unicast+0x449/0x710 [ 1981.129723][ T74] netlink_sendmsg+0x723/0xbe0 [ 1981.129723][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1981.129723][ T74] ___sys_sendmsg+0xee/0x170 [ 1981.129723][ T74] __sys_sendmsg+0xcd/0x170 [ 1981.129723][ T74] do_syscall_64+0xc6/0x1e0 [ 1981.129723][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1981.129723][ T74] [ 1981.131391][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1981.131391][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1981.131391][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1981.131391][ T74] ipv6_find_idev+0x102/0x170 [ 1981.131391][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1981.131391][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1981.131391][ T74] netlink_rcv_skb+0x130/0x360 [ 1981.131391][ T74] netlink_unicast+0x449/0x710 [ 1981.131391][ T74] netlink_sendmsg+0x723/0xbe0 [ 1981.131391][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1981.131391][ T74] ___sys_sendmsg+0xee/0x170 [ 1981.131391][ T74] __sys_sendmsg+0xcd/0x170 [ 1981.131391][ T74] do_syscall_64+0xc6/0x1e0 [ 1981.131391][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1981.131391][ T74] [ 1991.136032][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 1991.136495][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1991.136495][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1991.136495][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1991.136495][ T74] fib6_nh_init+0xa22/0x1580 [ 1991.136495][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1991.136495][ T74] ip6_route_add+0x1c/0x140 [ 1991.136495][ T74] inet6_rtm_newroute+0x104/0x110 [ 1991.136495][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1991.136495][ T74] netlink_rcv_skb+0x130/0x360 [ 1991.136495][ T74] netlink_unicast+0x449/0x710 [ 1991.136495][ T74] netlink_sendmsg+0x723/0xbe0 [ 1991.136495][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1991.136495][ T74] ___sys_sendmsg+0xee/0x170 [ 1991.136495][ T74] __sys_sendmsg+0xcd/0x170 [ 1991.136495][ T74] do_syscall_64+0xc6/0x1e0 [ 1991.136495][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1991.136495][ T74] [ 1991.138431][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1991.138431][ T74] netdev_get_by_index+0x5e/0x80 [ 1991.138431][ T74] fib6_nh_init+0x3d8/0x1580 [ 1991.138431][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1991.138431][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1991.138431][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1991.138431][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1991.138431][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1991.138431][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1991.138431][ T74] addrconf_dad_begin+0x310/0x670 [ 1991.138431][ T74] addrconf_dad_work+0x10b/0xab0 [ 1991.138431][ T74] process_one_work+0x84d/0x18a0 [ 1991.138431][ T74] worker_thread+0x587/0xd30 [ 1991.138431][ T74] kthread+0x28a/0x350 [ 1991.138431][ T74] ret_from_fork+0x31/0x70 [ 1991.138431][ T74] ret_from_fork_asm+0x1a/0x30 [ 1991.138431][ T74] [ 1991.140363][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1991.140363][ T74] netdev_get_by_index+0x5e/0x80 [ 1991.140363][ T74] fib6_nh_init+0x3d8/0x1580 [ 1991.140363][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1991.140363][ T74] ip6_route_add+0x1c/0x140 [ 1991.140363][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1991.140363][ T74] inet6_addr_add+0x4f8/0xa40 [ 1991.140363][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1991.140363][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1991.140363][ T74] netlink_rcv_skb+0x130/0x360 [ 1991.140363][ T74] netlink_unicast+0x449/0x710 [ 1991.140363][ T74] netlink_sendmsg+0x723/0xbe0 [ 1991.140363][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1991.140363][ T74] ___sys_sendmsg+0xee/0x170 [ 1991.140363][ T74] __sys_sendmsg+0xcd/0x170 [ 1991.140363][ T74] do_syscall_64+0xc6/0x1e0 [ 1991.140363][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1991.140363][ T74] [ 1991.142369][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1991.142369][ T74] netdev_get_by_index+0x5e/0x80 [ 1991.142369][ T74] fib6_nh_init+0x3d8/0x1580 [ 1991.142369][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1991.142369][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1991.142369][ T74] ipv6_add_addr+0x411/0x2000 [ 1991.142369][ T74] inet6_addr_add+0x30e/0xa40 [ 1991.142369][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1991.142369][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1991.142369][ T74] netlink_rcv_skb+0x130/0x360 [ 1991.142369][ T74] netlink_unicast+0x449/0x710 [ 1991.142369][ T74] netlink_sendmsg+0x723/0xbe0 [ 1991.142369][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1991.142369][ T74] ___sys_sendmsg+0xee/0x170 [ 1991.142369][ T74] __sys_sendmsg+0xcd/0x170 [ 1991.142369][ T74] do_syscall_64+0xc6/0x1e0 [ 1991.142369][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1991.142369][ T74] [ 1991.144377][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1991.144377][ T74] netdev_get_by_index+0x5e/0x80 [ 1991.144377][ T74] fib6_nh_init+0x3d8/0x1580 [ 1991.144377][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1991.144377][ T74] ip6_route_add+0x1c/0x140 [ 1991.144377][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1991.144377][ T74] addrconf_add_dev+0xe2/0x170 [ 1991.144377][ T74] inet6_addr_add+0x12f/0xa40 [ 1991.144377][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1991.144377][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1991.144377][ T74] netlink_rcv_skb+0x130/0x360 [ 1991.144377][ T74] netlink_unicast+0x449/0x710 [ 1991.144377][ T74] netlink_sendmsg+0x723/0xbe0 [ 1991.144377][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1991.144377][ T74] ___sys_sendmsg+0xee/0x170 [ 1991.144377][ T74] __sys_sendmsg+0xcd/0x170 [ 1991.144377][ T74] do_syscall_64+0xc6/0x1e0 [ 1991.144377][ T74] [ 1991.146337][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1991.146337][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1991.146337][ T74] ipv6_find_idev+0x102/0x170 [ 1991.146337][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1991.146337][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1991.146337][ T74] netlink_rcv_skb+0x130/0x360 [ 1991.146337][ T74] netlink_unicast+0x449/0x710 [ 1991.146337][ T74] netlink_sendmsg+0x723/0xbe0 [ 1991.146337][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1991.146337][ T74] ___sys_sendmsg+0xee/0x170 [ 1991.146337][ T74] __sys_sendmsg+0xcd/0x170 [ 1991.146337][ T74] do_syscall_64+0xc6/0x1e0 [ 1991.146337][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1991.146337][ T74] [ 1991.147874][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 1991.147874][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1991.147874][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1991.147874][ T74] ipv6_find_idev+0x102/0x170 [ 1991.147874][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1991.147874][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1991.147874][ T74] netlink_rcv_skb+0x130/0x360 [ 1991.147874][ T74] netlink_unicast+0x449/0x710 [ 1991.147874][ T74] netlink_sendmsg+0x723/0xbe0 [ 1991.147874][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1991.147874][ T74] ___sys_sendmsg+0xee/0x170 [ 1991.147874][ T74] __sys_sendmsg+0xcd/0x170 [ 1991.147874][ T74] do_syscall_64+0xc6/0x1e0 [ 1991.147874][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1991.147874][ T74] [ 1991.149583][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 1991.149862][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 1991.149862][ T74] dst_init+0x84/0x4a0 [ 1991.149862][ T74] dst_alloc+0x97/0x150 [ 1991.149862][ T74] ip6_dst_alloc+0x23/0x90 [ 1991.149862][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1991.149862][ T74] ip6_pol_route+0x56f/0x840 [ 1991.149862][ T74] fib6_rule_lookup+0x456/0x630 [ 1991.149862][ T74] ip6_route_input+0x59c/0xa50 [ 1991.149862][ T74] ipv6_rcv+0x397/0x810 [ 1991.149862][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 1991.149862][ T74] process_backlog+0x101/0x620 [ 1991.149862][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 1991.149862][ T74] net_rx_action+0x495/0xbe0 [ 1991.149862][ T74] __do_softirq+0x1b5/0x7f6 [ 1991.149862][ T74] [ 1991.151496][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1991.151496][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 1991.151496][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 1991.151496][ T74] fib6_nh_init+0xa22/0x1580 [ 1991.151496][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1991.151496][ T74] ip6_route_add+0x1c/0x140 [ 1991.151496][ T74] inet6_rtm_newroute+0x104/0x110 [ 1991.151496][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1991.151496][ T74] netlink_rcv_skb+0x130/0x360 [ 1991.151496][ T74] netlink_unicast+0x449/0x710 [ 1991.151496][ T74] netlink_sendmsg+0x723/0xbe0 [ 1991.151496][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1991.151496][ T74] ___sys_sendmsg+0xee/0x170 [ 1991.151496][ T74] __sys_sendmsg+0xcd/0x170 [ 1991.151496][ T74] do_syscall_64+0xc6/0x1e0 [ 1991.151496][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1991.151496][ T74] [ 1991.153370][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1991.153370][ T74] netdev_get_by_index+0x5e/0x80 [ 1991.153370][ T74] fib6_nh_init+0x3d8/0x1580 [ 1991.153370][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1991.153370][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1991.153370][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1991.153370][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1991.153370][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1991.153370][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1991.153370][ T74] addrconf_dad_begin+0x310/0x670 [ 1991.153370][ T74] addrconf_dad_work+0x10b/0xab0 [ 1991.153370][ T74] process_one_work+0x84d/0x18a0 [ 1991.153370][ T74] worker_thread+0x587/0xd30 [ 1991.153370][ T74] kthread+0x28a/0x350 [ 1991.153370][ T74] ret_from_fork+0x31/0x70 [ 1991.153370][ T74] ret_from_fork_asm+0x1a/0x30 [ 1991.153370][ T74] [ 1991.155272][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1991.155272][ T74] netdev_get_by_index+0x5e/0x80 [ 1991.155272][ T74] fib6_nh_init+0x3d8/0x1580 [ 1991.155272][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1991.155272][ T74] ip6_route_add+0x1c/0x140 [ 1991.155272][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1991.155272][ T74] inet6_addr_add+0x4f8/0xa40 [ 1991.155272][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1991.155272][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1991.155272][ T74] netlink_rcv_skb+0x130/0x360 [ 1991.155272][ T74] netlink_unicast+0x449/0x710 [ 1991.155272][ T74] netlink_sendmsg+0x723/0xbe0 [ 1991.155272][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1991.155272][ T74] ___sys_sendmsg+0xee/0x170 [ 1991.155272][ T74] __sys_sendmsg+0xcd/0x170 [ 1991.155272][ T74] do_syscall_64+0xc6/0x1e0 [ 1991.155272][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1991.155272][ T74] [ 1991.157264][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1991.157264][ T74] netdev_get_by_index+0x5e/0x80 [ 1991.157264][ T74] fib6_nh_init+0x3d8/0x1580 [ 1991.157264][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1991.157264][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1991.157264][ T74] ipv6_add_addr+0x411/0x2000 [ 1991.157264][ T74] inet6_addr_add+0x30e/0xa40 [ 1991.157264][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1991.157264][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1991.157264][ T74] netlink_rcv_skb+0x130/0x360 [ 1991.157264][ T74] netlink_unicast+0x449/0x710 [ 1991.157264][ T74] netlink_sendmsg+0x723/0xbe0 [ 1991.157264][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1991.157264][ T74] ___sys_sendmsg+0xee/0x170 [ 1991.157264][ T74] __sys_sendmsg+0xcd/0x170 [ 1991.157264][ T74] do_syscall_64+0xc6/0x1e0 [ 1991.157264][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1991.157264][ T74] [ 1991.159308][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1991.159308][ T74] netdev_get_by_index+0x5e/0x80 [ 1991.159308][ T74] fib6_nh_init+0x3d8/0x1580 [ 1991.159308][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1991.159308][ T74] ip6_route_add+0x1c/0x140 [ 1991.159308][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1991.159308][ T74] addrconf_add_dev+0xe2/0x170 [ 1991.159308][ T74] inet6_addr_add+0x12f/0xa40 [ 1991.159308][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1991.159308][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1991.159308][ T74] netlink_rcv_skb+0x130/0x360 [ 1991.159308][ T74] netlink_unicast+0x449/0x710 [ 1991.159308][ T74] netlink_sendmsg+0x723/0xbe0 [ 1991.159308][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1991.159308][ T74] ___sys_sendmsg+0xee/0x170 [ 1991.159308][ T74] __sys_sendmsg+0xcd/0x170 [ 1991.159308][ T74] do_syscall_64+0xc6/0x1e0 [ 1991.159308][ T74] [ 1991.161274][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1991.161274][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1991.161274][ T74] ipv6_find_idev+0x102/0x170 [ 1991.161274][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1991.161274][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1991.161274][ T74] netlink_rcv_skb+0x130/0x360 [ 1991.161274][ T74] netlink_unicast+0x449/0x710 [ 1991.161274][ T74] netlink_sendmsg+0x723/0xbe0 [ 1991.161274][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1991.161274][ T74] ___sys_sendmsg+0xee/0x170 [ 1991.161274][ T74] __sys_sendmsg+0xcd/0x170 [ 1991.161274][ T74] do_syscall_64+0xc6/0x1e0 [ 1991.161274][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1991.161274][ T74] [ 1991.162933][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 1991.162933][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1991.162933][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1991.162933][ T74] ipv6_find_idev+0x102/0x170 [ 1991.162933][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1991.162933][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1991.162933][ T74] netlink_rcv_skb+0x130/0x360 [ 1991.162933][ T74] netlink_unicast+0x449/0x710 [ 1991.162933][ T74] netlink_sendmsg+0x723/0xbe0 [ 1991.162933][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1991.162933][ T74] ___sys_sendmsg+0xee/0x170 [ 1991.162933][ T74] __sys_sendmsg+0xcd/0x170 [ 1991.162933][ T74] do_syscall_64+0xc6/0x1e0 [ 1991.162933][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1991.162933][ T74] [ 1991.164894][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 1991.165140][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1991.165140][ T74] netdev_get_by_index+0x5e/0x80 [ 1991.165140][ T74] fib6_nh_init+0x3d8/0x1580 [ 1991.165140][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1991.165140][ T74] ip6_route_add+0x1c/0x140 [ 1991.165140][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1991.165140][ T74] inet6_addr_add+0x4f8/0xa40 [ 1991.165140][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1991.165140][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1991.165140][ T74] netlink_rcv_skb+0x130/0x360 [ 1991.165140][ T74] netlink_unicast+0x449/0x710 [ 1991.165140][ T74] netlink_sendmsg+0x723/0xbe0 [ 1991.165140][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1991.165140][ T74] ___sys_sendmsg+0xee/0x170 [ 1991.165140][ T74] __sys_sendmsg+0xcd/0x170 [ 1991.165140][ T74] do_syscall_64+0xc6/0x1e0 [ 1991.165140][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1991.165140][ T74] [ 1991.167372][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1991.167372][ T74] netdev_get_by_index+0x5e/0x80 [ 1991.167372][ T74] fib6_nh_init+0x3d8/0x1580 [ 1991.167372][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1991.167372][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1991.167372][ T74] ipv6_add_addr+0x411/0x2000 [ 1991.167372][ T74] inet6_addr_add+0x30e/0xa40 [ 1991.167372][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1991.167372][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1991.167372][ T74] netlink_rcv_skb+0x130/0x360 [ 1991.167372][ T74] netlink_unicast+0x449/0x710 [ 1991.167372][ T74] netlink_sendmsg+0x723/0xbe0 [ 1991.167372][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1991.167372][ T74] ___sys_sendmsg+0xee/0x170 [ 1991.167372][ T74] __sys_sendmsg+0xcd/0x170 [ 1991.167372][ T74] do_syscall_64+0xc6/0x1e0 [ 1991.167372][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1991.167372][ T74] [ 1991.169605][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1991.169605][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1991.169605][ T74] ipv6_find_idev+0x102/0x170 [ 1991.169605][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1991.169605][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1991.169605][ T74] netlink_rcv_skb+0x130/0x360 [ 1991.169605][ T74] netlink_unicast+0x449/0x710 [ 1991.169605][ T74] netlink_sendmsg+0x723/0xbe0 [ 1991.169605][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1991.169605][ T74] ___sys_sendmsg+0xee/0x170 [ 1991.169605][ T74] __sys_sendmsg+0xcd/0x170 [ 1991.169605][ T74] do_syscall_64+0xc6/0x1e0 [ 1991.169605][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1991.169605][ T74] [ 1991.171323][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 1991.171323][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1991.171323][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1991.171323][ T74] ipv6_find_idev+0x102/0x170 [ 1991.171323][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1991.171323][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1991.171323][ T74] netlink_rcv_skb+0x130/0x360 [ 1991.171323][ T74] netlink_unicast+0x449/0x710 [ 1991.171323][ T74] netlink_sendmsg+0x723/0xbe0 [ 1991.171323][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1991.171323][ T74] ___sys_sendmsg+0xee/0x170 [ 1991.171323][ T74] __sys_sendmsg+0xcd/0x170 [ 1991.171323][ T74] do_syscall_64+0xc6/0x1e0 [ 1991.171323][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1991.171323][ T74] [ 2001.416724][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2001.417247][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2001.417247][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2001.417247][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2001.417247][ T74] fib6_nh_init+0xa22/0x1580 [ 2001.417247][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2001.417247][ T74] ip6_route_add+0x1c/0x140 [ 2001.417247][ T74] inet6_rtm_newroute+0x104/0x110 [ 2001.417247][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2001.417247][ T74] netlink_rcv_skb+0x130/0x360 [ 2001.417247][ T74] netlink_unicast+0x449/0x710 [ 2001.417247][ T74] netlink_sendmsg+0x723/0xbe0 [ 2001.417247][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2001.417247][ T74] ___sys_sendmsg+0xee/0x170 [ 2001.417247][ T74] __sys_sendmsg+0xcd/0x170 [ 2001.417247][ T74] do_syscall_64+0xc6/0x1e0 [ 2001.417247][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2001.417247][ T74] [ 2001.419202][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2001.419202][ T74] netdev_get_by_index+0x5e/0x80 [ 2001.419202][ T74] fib6_nh_init+0x3d8/0x1580 [ 2001.419202][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2001.419202][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2001.419202][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2001.419202][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2001.419202][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2001.419202][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2001.419202][ T74] addrconf_dad_begin+0x310/0x670 [ 2001.419202][ T74] addrconf_dad_work+0x10b/0xab0 [ 2001.419202][ T74] process_one_work+0x84d/0x18a0 [ 2001.419202][ T74] worker_thread+0x587/0xd30 [ 2001.419202][ T74] kthread+0x28a/0x350 [ 2001.419202][ T74] ret_from_fork+0x31/0x70 [ 2001.419202][ T74] ret_from_fork_asm+0x1a/0x30 [ 2001.419202][ T74] [ 2001.421142][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2001.421142][ T74] netdev_get_by_index+0x5e/0x80 [ 2001.421142][ T74] fib6_nh_init+0x3d8/0x1580 [ 2001.421142][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2001.421142][ T74] ip6_route_add+0x1c/0x140 [ 2001.421142][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2001.421142][ T74] inet6_addr_add+0x4f8/0xa40 [ 2001.421142][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2001.421142][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2001.421142][ T74] netlink_rcv_skb+0x130/0x360 [ 2001.421142][ T74] netlink_unicast+0x449/0x710 [ 2001.421142][ T74] netlink_sendmsg+0x723/0xbe0 [ 2001.421142][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2001.421142][ T74] ___sys_sendmsg+0xee/0x170 [ 2001.421142][ T74] __sys_sendmsg+0xcd/0x170 [ 2001.421142][ T74] do_syscall_64+0xc6/0x1e0 [ 2001.421142][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2001.421142][ T74] [ 2001.423161][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2001.423161][ T74] netdev_get_by_index+0x5e/0x80 [ 2001.423161][ T74] fib6_nh_init+0x3d8/0x1580 [ 2001.423161][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2001.423161][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2001.423161][ T74] ipv6_add_addr+0x411/0x2000 [ 2001.423161][ T74] inet6_addr_add+0x30e/0xa40 [ 2001.423161][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2001.423161][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2001.423161][ T74] netlink_rcv_skb+0x130/0x360 [ 2001.423161][ T74] netlink_unicast+0x449/0x710 [ 2001.423161][ T74] netlink_sendmsg+0x723/0xbe0 [ 2001.423161][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2001.423161][ T74] ___sys_sendmsg+0xee/0x170 [ 2001.423161][ T74] __sys_sendmsg+0xcd/0x170 [ 2001.423161][ T74] do_syscall_64+0xc6/0x1e0 [ 2001.423161][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2001.423161][ T74] [ 2001.425181][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2001.425181][ T74] netdev_get_by_index+0x5e/0x80 [ 2001.425181][ T74] fib6_nh_init+0x3d8/0x1580 [ 2001.425181][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2001.425181][ T74] ip6_route_add+0x1c/0x140 [ 2001.425181][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2001.425181][ T74] addrconf_add_dev+0xe2/0x170 [ 2001.425181][ T74] inet6_addr_add+0x12f/0xa40 [ 2001.425181][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2001.425181][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2001.425181][ T74] netlink_rcv_skb+0x130/0x360 [ 2001.425181][ T74] netlink_unicast+0x449/0x710 [ 2001.425181][ T74] netlink_sendmsg+0x723/0xbe0 [ 2001.425181][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2001.425181][ T74] ___sys_sendmsg+0xee/0x170 [ 2001.425181][ T74] __sys_sendmsg+0xcd/0x170 [ 2001.425181][ T74] do_syscall_64+0xc6/0x1e0 [ 2001.425181][ T74] [ 2001.427165][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2001.427165][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2001.427165][ T74] ipv6_find_idev+0x102/0x170 [ 2001.427165][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2001.427165][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2001.427165][ T74] netlink_rcv_skb+0x130/0x360 [ 2001.427165][ T74] netlink_unicast+0x449/0x710 [ 2001.427165][ T74] netlink_sendmsg+0x723/0xbe0 [ 2001.427165][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2001.427165][ T74] ___sys_sendmsg+0xee/0x170 [ 2001.427165][ T74] __sys_sendmsg+0xcd/0x170 [ 2001.427165][ T74] do_syscall_64+0xc6/0x1e0 [ 2001.427165][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2001.427165][ T74] [ 2001.428726][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2001.428726][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2001.428726][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2001.428726][ T74] ipv6_find_idev+0x102/0x170 [ 2001.428726][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2001.428726][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2001.428726][ T74] netlink_rcv_skb+0x130/0x360 [ 2001.428726][ T74] netlink_unicast+0x449/0x710 [ 2001.428726][ T74] netlink_sendmsg+0x723/0xbe0 [ 2001.428726][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2001.428726][ T74] ___sys_sendmsg+0xee/0x170 [ 2001.428726][ T74] __sys_sendmsg+0xcd/0x170 [ 2001.428726][ T74] do_syscall_64+0xc6/0x1e0 [ 2001.428726][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2001.428726][ T74] [ 2001.430466][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2001.430752][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2001.430752][ T74] dst_init+0x84/0x4a0 [ 2001.430752][ T74] dst_alloc+0x97/0x150 [ 2001.430752][ T74] ip6_dst_alloc+0x23/0x90 [ 2001.430752][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2001.430752][ T74] ip6_pol_route+0x56f/0x840 [ 2001.430752][ T74] fib6_rule_lookup+0x456/0x630 [ 2001.430752][ T74] ip6_route_input+0x59c/0xa50 [ 2001.430752][ T74] ipv6_rcv+0x397/0x810 [ 2001.430752][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2001.430752][ T74] process_backlog+0x101/0x620 [ 2001.430752][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2001.430752][ T74] net_rx_action+0x495/0xbe0 [ 2001.430752][ T74] __do_softirq+0x1b5/0x7f6 [ 2001.430752][ T74] [ 2001.432405][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2001.432405][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2001.432405][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2001.432405][ T74] fib6_nh_init+0xa22/0x1580 [ 2001.432405][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2001.432405][ T74] ip6_route_add+0x1c/0x140 [ 2001.432405][ T74] inet6_rtm_newroute+0x104/0x110 [ 2001.432405][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2001.432405][ T74] netlink_rcv_skb+0x130/0x360 [ 2001.432405][ T74] netlink_unicast+0x449/0x710 [ 2001.432405][ T74] netlink_sendmsg+0x723/0xbe0 [ 2001.432405][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2001.432405][ T74] ___sys_sendmsg+0xee/0x170 [ 2001.432405][ T74] __sys_sendmsg+0xcd/0x170 [ 2001.432405][ T74] do_syscall_64+0xc6/0x1e0 [ 2001.432405][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2001.432405][ T74] [ 2001.434303][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2001.434303][ T74] netdev_get_by_index+0x5e/0x80 [ 2001.434303][ T74] fib6_nh_init+0x3d8/0x1580 [ 2001.434303][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2001.434303][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2001.434303][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2001.434303][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2001.434303][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2001.434303][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2001.434303][ T74] addrconf_dad_begin+0x310/0x670 [ 2001.434303][ T74] addrconf_dad_work+0x10b/0xab0 [ 2001.434303][ T74] process_one_work+0x84d/0x18a0 [ 2001.434303][ T74] worker_thread+0x587/0xd30 [ 2001.434303][ T74] kthread+0x28a/0x350 [ 2001.434303][ T74] ret_from_fork+0x31/0x70 [ 2001.434303][ T74] ret_from_fork_asm+0x1a/0x30 [ 2001.434303][ T74] [ 2001.436257][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2001.436257][ T74] netdev_get_by_index+0x5e/0x80 [ 2001.436257][ T74] fib6_nh_init+0x3d8/0x1580 [ 2001.436257][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2001.436257][ T74] ip6_route_add+0x1c/0x140 [ 2001.436257][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2001.436257][ T74] inet6_addr_add+0x4f8/0xa40 [ 2001.436257][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2001.436257][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2001.436257][ T74] netlink_rcv_skb+0x130/0x360 [ 2001.436257][ T74] netlink_unicast+0x449/0x710 [ 2001.436257][ T74] netlink_sendmsg+0x723/0xbe0 [ 2001.436257][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2001.436257][ T74] ___sys_sendmsg+0xee/0x170 [ 2001.436257][ T74] __sys_sendmsg+0xcd/0x170 [ 2001.436257][ T74] do_syscall_64+0xc6/0x1e0 [ 2001.436257][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2001.436257][ T74] [ 2001.438290][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2001.438290][ T74] netdev_get_by_index+0x5e/0x80 [ 2001.438290][ T74] fib6_nh_init+0x3d8/0x1580 [ 2001.438290][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2001.438290][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2001.438290][ T74] ipv6_add_addr+0x411/0x2000 [ 2001.438290][ T74] inet6_addr_add+0x30e/0xa40 [ 2001.438290][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2001.438290][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2001.438290][ T74] netlink_rcv_skb+0x130/0x360 [ 2001.438290][ T74] netlink_unicast+0x449/0x710 [ 2001.438290][ T74] netlink_sendmsg+0x723/0xbe0 [ 2001.438290][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2001.438290][ T74] ___sys_sendmsg+0xee/0x170 [ 2001.438290][ T74] __sys_sendmsg+0xcd/0x170 [ 2001.438290][ T74] do_syscall_64+0xc6/0x1e0 [ 2001.438290][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2001.438290][ T74] [ 2001.440332][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2001.440332][ T74] netdev_get_by_index+0x5e/0x80 [ 2001.440332][ T74] fib6_nh_init+0x3d8/0x1580 [ 2001.440332][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2001.440332][ T74] ip6_route_add+0x1c/0x140 [ 2001.440332][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2001.440332][ T74] addrconf_add_dev+0xe2/0x170 [ 2001.440332][ T74] inet6_addr_add+0x12f/0xa40 [ 2001.440332][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2001.440332][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2001.440332][ T74] netlink_rcv_skb+0x130/0x360 [ 2001.440332][ T74] netlink_unicast+0x449/0x710 [ 2001.440332][ T74] netlink_sendmsg+0x723/0xbe0 [ 2001.440332][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2001.440332][ T74] ___sys_sendmsg+0xee/0x170 [ 2001.440332][ T74] __sys_sendmsg+0xcd/0x170 [ 2001.440332][ T74] do_syscall_64+0xc6/0x1e0 [ 2001.440332][ T74] [ 2001.442326][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2001.442326][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2001.442326][ T74] ipv6_find_idev+0x102/0x170 [ 2001.442326][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2001.442326][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2001.442326][ T74] netlink_rcv_skb+0x130/0x360 [ 2001.442326][ T74] netlink_unicast+0x449/0x710 [ 2001.442326][ T74] netlink_sendmsg+0x723/0xbe0 [ 2001.442326][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2001.442326][ T74] ___sys_sendmsg+0xee/0x170 [ 2001.442326][ T74] __sys_sendmsg+0xcd/0x170 [ 2001.442326][ T74] do_syscall_64+0xc6/0x1e0 [ 2001.442326][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2001.442326][ T74] [ 2001.444072][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2001.444072][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2001.444072][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2001.444072][ T74] ipv6_find_idev+0x102/0x170 [ 2001.444072][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2001.444072][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2001.444072][ T74] netlink_rcv_skb+0x130/0x360 [ 2001.444072][ T74] netlink_unicast+0x449/0x710 [ 2001.444072][ T74] netlink_sendmsg+0x723/0xbe0 [ 2001.444072][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2001.444072][ T74] ___sys_sendmsg+0xee/0x170 [ 2001.444072][ T74] __sys_sendmsg+0xcd/0x170 [ 2001.444072][ T74] do_syscall_64+0xc6/0x1e0 [ 2001.444072][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2001.444072][ T74] [ 2001.446041][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2001.446347][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2001.446347][ T74] netdev_get_by_index+0x5e/0x80 [ 2001.446347][ T74] fib6_nh_init+0x3d8/0x1580 [ 2001.446347][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2001.446347][ T74] ip6_route_add+0x1c/0x140 [ 2001.446347][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2001.446347][ T74] inet6_addr_add+0x4f8/0xa40 [ 2001.446347][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2001.446347][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2001.446347][ T74] netlink_rcv_skb+0x130/0x360 [ 2001.446347][ T74] netlink_unicast+0x449/0x710 [ 2001.446347][ T74] netlink_sendmsg+0x723/0xbe0 [ 2001.446347][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2001.446347][ T74] ___sys_sendmsg+0xee/0x170 [ 2001.446347][ T74] __sys_sendmsg+0xcd/0x170 [ 2001.446347][ T74] do_syscall_64+0xc6/0x1e0 [ 2001.446347][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2001.446347][ T74] [ 2001.448552][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2001.448552][ T74] netdev_get_by_index+0x5e/0x80 [ 2001.448552][ T74] fib6_nh_init+0x3d8/0x1580 [ 2001.448552][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2001.448552][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2001.448552][ T74] ipv6_add_addr+0x411/0x2000 [ 2001.448552][ T74] inet6_addr_add+0x30e/0xa40 [ 2001.448552][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2001.448552][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2001.448552][ T74] netlink_rcv_skb+0x130/0x360 [ 2001.448552][ T74] netlink_unicast+0x449/0x710 [ 2001.448552][ T74] netlink_sendmsg+0x723/0xbe0 [ 2001.448552][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2001.448552][ T74] ___sys_sendmsg+0xee/0x170 [ 2001.448552][ T74] __sys_sendmsg+0xcd/0x170 [ 2001.448552][ T74] do_syscall_64+0xc6/0x1e0 [ 2001.448552][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2001.448552][ T74] [ 2001.450822][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2001.450822][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2001.450822][ T74] ipv6_find_idev+0x102/0x170 [ 2001.450822][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2001.450822][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2001.450822][ T74] netlink_rcv_skb+0x130/0x360 [ 2001.450822][ T74] netlink_unicast+0x449/0x710 [ 2001.450822][ T74] netlink_sendmsg+0x723/0xbe0 [ 2001.450822][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2001.450822][ T74] ___sys_sendmsg+0xee/0x170 [ 2001.450822][ T74] __sys_sendmsg+0xcd/0x170 [ 2001.450822][ T74] do_syscall_64+0xc6/0x1e0 [ 2001.450822][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2001.450822][ T74] [ 2001.452559][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2001.452559][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2001.452559][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2001.452559][ T74] ipv6_find_idev+0x102/0x170 [ 2001.452559][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2001.452559][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2001.452559][ T74] netlink_rcv_skb+0x130/0x360 [ 2001.452559][ T74] netlink_unicast+0x449/0x710 [ 2001.452559][ T74] netlink_sendmsg+0x723/0xbe0 [ 2001.452559][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2001.452559][ T74] ___sys_sendmsg+0xee/0x170 [ 2001.452559][ T74] __sys_sendmsg+0xcd/0x170 [ 2001.452559][ T74] do_syscall_64+0xc6/0x1e0 [ 2001.452559][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2001.452559][ T74] [ 2011.695932][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2011.696421][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2011.696421][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2011.696421][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2011.696421][ T74] fib6_nh_init+0xa22/0x1580 [ 2011.696421][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2011.696421][ T74] ip6_route_add+0x1c/0x140 [ 2011.696421][ T74] inet6_rtm_newroute+0x104/0x110 [ 2011.696421][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2011.696421][ T74] netlink_rcv_skb+0x130/0x360 [ 2011.696421][ T74] netlink_unicast+0x449/0x710 [ 2011.696421][ T74] netlink_sendmsg+0x723/0xbe0 [ 2011.696421][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2011.696421][ T74] ___sys_sendmsg+0xee/0x170 [ 2011.696421][ T74] __sys_sendmsg+0xcd/0x170 [ 2011.696421][ T74] do_syscall_64+0xc6/0x1e0 [ 2011.696421][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2011.696421][ T74] [ 2011.698352][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2011.698352][ T74] netdev_get_by_index+0x5e/0x80 [ 2011.698352][ T74] fib6_nh_init+0x3d8/0x1580 [ 2011.698352][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2011.698352][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2011.698352][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2011.698352][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2011.698352][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2011.698352][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2011.698352][ T74] addrconf_dad_begin+0x310/0x670 [ 2011.698352][ T74] addrconf_dad_work+0x10b/0xab0 [ 2011.698352][ T74] process_one_work+0x84d/0x18a0 [ 2011.698352][ T74] worker_thread+0x587/0xd30 [ 2011.698352][ T74] kthread+0x28a/0x350 [ 2011.698352][ T74] ret_from_fork+0x31/0x70 [ 2011.698352][ T74] ret_from_fork_asm+0x1a/0x30 [ 2011.698352][ T74] [ 2011.700372][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2011.700372][ T74] netdev_get_by_index+0x5e/0x80 [ 2011.700372][ T74] fib6_nh_init+0x3d8/0x1580 [ 2011.700372][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2011.700372][ T74] ip6_route_add+0x1c/0x140 [ 2011.700372][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2011.700372][ T74] inet6_addr_add+0x4f8/0xa40 [ 2011.700372][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2011.700372][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2011.700372][ T74] netlink_rcv_skb+0x130/0x360 [ 2011.700372][ T74] netlink_unicast+0x449/0x710 [ 2011.700372][ T74] netlink_sendmsg+0x723/0xbe0 [ 2011.700372][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2011.700372][ T74] ___sys_sendmsg+0xee/0x170 [ 2011.700372][ T74] __sys_sendmsg+0xcd/0x170 [ 2011.700372][ T74] do_syscall_64+0xc6/0x1e0 [ 2011.700372][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2011.700372][ T74] [ 2011.702501][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2011.702501][ T74] netdev_get_by_index+0x5e/0x80 [ 2011.702501][ T74] fib6_nh_init+0x3d8/0x1580 [ 2011.702501][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2011.702501][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2011.702501][ T74] ipv6_add_addr+0x411/0x2000 [ 2011.702501][ T74] inet6_addr_add+0x30e/0xa40 [ 2011.702501][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2011.702501][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2011.702501][ T74] netlink_rcv_skb+0x130/0x360 [ 2011.702501][ T74] netlink_unicast+0x449/0x710 [ 2011.702501][ T74] netlink_sendmsg+0x723/0xbe0 [ 2011.702501][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2011.702501][ T74] ___sys_sendmsg+0xee/0x170 [ 2011.702501][ T74] __sys_sendmsg+0xcd/0x170 [ 2011.702501][ T74] do_syscall_64+0xc6/0x1e0 [ 2011.702501][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2011.702501][ T74] [ 2011.704685][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2011.704685][ T74] netdev_get_by_index+0x5e/0x80 [ 2011.704685][ T74] fib6_nh_init+0x3d8/0x1580 [ 2011.704685][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2011.704685][ T74] ip6_route_add+0x1c/0x140 [ 2011.704685][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2011.704685][ T74] addrconf_add_dev+0xe2/0x170 [ 2011.704685][ T74] inet6_addr_add+0x12f/0xa40 [ 2011.704685][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2011.704685][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2011.704685][ T74] netlink_rcv_skb+0x130/0x360 [ 2011.704685][ T74] netlink_unicast+0x449/0x710 [ 2011.704685][ T74] netlink_sendmsg+0x723/0xbe0 [ 2011.704685][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2011.704685][ T74] ___sys_sendmsg+0xee/0x170 [ 2011.704685][ T74] __sys_sendmsg+0xcd/0x170 [ 2011.704685][ T74] do_syscall_64+0xc6/0x1e0 [ 2011.704685][ T74] [ 2011.706721][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2011.706721][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2011.706721][ T74] ipv6_find_idev+0x102/0x170 [ 2011.706721][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2011.706721][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2011.706721][ T74] netlink_rcv_skb+0x130/0x360 [ 2011.706721][ T74] netlink_unicast+0x449/0x710 [ 2011.706721][ T74] netlink_sendmsg+0x723/0xbe0 [ 2011.706721][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2011.706721][ T74] ___sys_sendmsg+0xee/0x170 [ 2011.706721][ T74] __sys_sendmsg+0xcd/0x170 [ 2011.706721][ T74] do_syscall_64+0xc6/0x1e0 [ 2011.706721][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2011.706721][ T74] [ 2011.708663][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2011.708663][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2011.708663][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2011.708663][ T74] ipv6_find_idev+0x102/0x170 [ 2011.708663][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2011.708663][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2011.708663][ T74] netlink_rcv_skb+0x130/0x360 [ 2011.708663][ T74] netlink_unicast+0x449/0x710 [ 2011.708663][ T74] netlink_sendmsg+0x723/0xbe0 [ 2011.708663][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2011.708663][ T74] ___sys_sendmsg+0xee/0x170 [ 2011.708663][ T74] __sys_sendmsg+0xcd/0x170 [ 2011.708663][ T74] do_syscall_64+0xc6/0x1e0 [ 2011.708663][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2011.708663][ T74] [ 2011.710434][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2011.710723][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2011.710723][ T74] dst_init+0x84/0x4a0 [ 2011.710723][ T74] dst_alloc+0x97/0x150 [ 2011.710723][ T74] ip6_dst_alloc+0x23/0x90 [ 2011.710723][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2011.710723][ T74] ip6_pol_route+0x56f/0x840 [ 2011.710723][ T74] fib6_rule_lookup+0x456/0x630 [ 2011.710723][ T74] ip6_route_input+0x59c/0xa50 [ 2011.710723][ T74] ipv6_rcv+0x397/0x810 [ 2011.710723][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2011.710723][ T74] process_backlog+0x101/0x620 [ 2011.710723][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2011.710723][ T74] net_rx_action+0x495/0xbe0 [ 2011.710723][ T74] __do_softirq+0x1b5/0x7f6 [ 2011.710723][ T74] [ 2011.712374][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2011.712374][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2011.712374][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2011.712374][ T74] fib6_nh_init+0xa22/0x1580 [ 2011.712374][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2011.712374][ T74] ip6_route_add+0x1c/0x140 [ 2011.712374][ T74] inet6_rtm_newroute+0x104/0x110 [ 2011.712374][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2011.712374][ T74] netlink_rcv_skb+0x130/0x360 [ 2011.712374][ T74] netlink_unicast+0x449/0x710 [ 2011.712374][ T74] netlink_sendmsg+0x723/0xbe0 [ 2011.712374][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2011.712374][ T74] ___sys_sendmsg+0xee/0x170 [ 2011.712374][ T74] __sys_sendmsg+0xcd/0x170 [ 2011.712374][ T74] do_syscall_64+0xc6/0x1e0 [ 2011.712374][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2011.712374][ T74] [ 2011.714283][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2011.714283][ T74] netdev_get_by_index+0x5e/0x80 [ 2011.714283][ T74] fib6_nh_init+0x3d8/0x1580 [ 2011.714283][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2011.714283][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2011.714283][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2011.714283][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2011.714283][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2011.714283][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2011.714283][ T74] addrconf_dad_begin+0x310/0x670 [ 2011.714283][ T74] addrconf_dad_work+0x10b/0xab0 [ 2011.714283][ T74] process_one_work+0x84d/0x18a0 [ 2011.714283][ T74] worker_thread+0x587/0xd30 [ 2011.714283][ T74] kthread+0x28a/0x350 [ 2011.714283][ T74] ret_from_fork+0x31/0x70 [ 2011.714283][ T74] ret_from_fork_asm+0x1a/0x30 [ 2011.714283][ T74] [ 2011.716238][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2011.716238][ T74] netdev_get_by_index+0x5e/0x80 [ 2011.716238][ T74] fib6_nh_init+0x3d8/0x1580 [ 2011.716238][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2011.716238][ T74] ip6_route_add+0x1c/0x140 [ 2011.716238][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2011.716238][ T74] inet6_addr_add+0x4f8/0xa40 [ 2011.716238][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2011.716238][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2011.716238][ T74] netlink_rcv_skb+0x130/0x360 [ 2011.716238][ T74] netlink_unicast+0x449/0x710 [ 2011.716238][ T74] netlink_sendmsg+0x723/0xbe0 [ 2011.716238][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2011.716238][ T74] ___sys_sendmsg+0xee/0x170 [ 2011.716238][ T74] __sys_sendmsg+0xcd/0x170 [ 2011.716238][ T74] do_syscall_64+0xc6/0x1e0 [ 2011.716238][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2011.716238][ T74] [ 2011.718302][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2011.718302][ T74] netdev_get_by_index+0x5e/0x80 [ 2011.718302][ T74] fib6_nh_init+0x3d8/0x1580 [ 2011.718302][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2011.718302][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2011.718302][ T74] ipv6_add_addr+0x411/0x2000 [ 2011.718302][ T74] inet6_addr_add+0x30e/0xa40 [ 2011.718302][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2011.718302][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2011.718302][ T74] netlink_rcv_skb+0x130/0x360 [ 2011.718302][ T74] netlink_unicast+0x449/0x710 [ 2011.718302][ T74] netlink_sendmsg+0x723/0xbe0 [ 2011.718302][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2011.718302][ T74] ___sys_sendmsg+0xee/0x170 [ 2011.718302][ T74] __sys_sendmsg+0xcd/0x170 [ 2011.718302][ T74] do_syscall_64+0xc6/0x1e0 [ 2011.718302][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2011.718302][ T74] [ 2011.720331][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2011.720331][ T74] netdev_get_by_index+0x5e/0x80 [ 2011.720331][ T74] fib6_nh_init+0x3d8/0x1580 [ 2011.720331][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2011.720331][ T74] ip6_route_add+0x1c/0x140 [ 2011.720331][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2011.720331][ T74] addrconf_add_dev+0xe2/0x170 [ 2011.720331][ T74] inet6_addr_add+0x12f/0xa40 [ 2011.720331][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2011.720331][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2011.720331][ T74] netlink_rcv_skb+0x130/0x360 [ 2011.720331][ T74] netlink_unicast+0x449/0x710 [ 2011.720331][ T74] netlink_sendmsg+0x723/0xbe0 [ 2011.720331][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2011.720331][ T74] ___sys_sendmsg+0xee/0x170 [ 2011.720331][ T74] __sys_sendmsg+0xcd/0x170 [ 2011.720331][ T74] do_syscall_64+0xc6/0x1e0 [ 2011.720331][ T74] [ 2011.722309][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2011.722309][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2011.722309][ T74] ipv6_find_idev+0x102/0x170 [ 2011.722309][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2011.722309][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2011.722309][ T74] netlink_rcv_skb+0x130/0x360 [ 2011.722309][ T74] netlink_unicast+0x449/0x710 [ 2011.722309][ T74] netlink_sendmsg+0x723/0xbe0 [ 2011.722309][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2011.722309][ T74] ___sys_sendmsg+0xee/0x170 [ 2011.722309][ T74] __sys_sendmsg+0xcd/0x170 [ 2011.722309][ T74] do_syscall_64+0xc6/0x1e0 [ 2011.722309][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2011.722309][ T74] [ 2011.724046][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2011.724046][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2011.724046][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2011.724046][ T74] ipv6_find_idev+0x102/0x170 [ 2011.724046][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2011.724046][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2011.724046][ T74] netlink_rcv_skb+0x130/0x360 [ 2011.724046][ T74] netlink_unicast+0x449/0x710 [ 2011.724046][ T74] netlink_sendmsg+0x723/0xbe0 [ 2011.724046][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2011.724046][ T74] ___sys_sendmsg+0xee/0x170 [ 2011.724046][ T74] __sys_sendmsg+0xcd/0x170 [ 2011.724046][ T74] do_syscall_64+0xc6/0x1e0 [ 2011.724046][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2011.724046][ T74] [ 2011.726553][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2011.726865][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2011.726865][ T74] netdev_get_by_index+0x5e/0x80 [ 2011.726865][ T74] fib6_nh_init+0x3d8/0x1580 [ 2011.726865][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2011.726865][ T74] ip6_route_add+0x1c/0x140 [ 2011.726865][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2011.726865][ T74] inet6_addr_add+0x4f8/0xa40 [ 2011.726865][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2011.726865][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2011.726865][ T74] netlink_rcv_skb+0x130/0x360 [ 2011.726865][ T74] netlink_unicast+0x449/0x710 [ 2011.726865][ T74] netlink_sendmsg+0x723/0xbe0 [ 2011.726865][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2011.726865][ T74] ___sys_sendmsg+0xee/0x170 [ 2011.726865][ T74] __sys_sendmsg+0xcd/0x170 [ 2011.726865][ T74] do_syscall_64+0xc6/0x1e0 [ 2011.726865][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2011.726865][ T74] [ 2011.729461][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2011.729461][ T74] netdev_get_by_index+0x5e/0x80 [ 2011.729461][ T74] fib6_nh_init+0x3d8/0x1580 [ 2011.729461][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2011.729461][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2011.729461][ T74] ipv6_add_addr+0x411/0x2000 [ 2011.729461][ T74] inet6_addr_add+0x30e/0xa40 [ 2011.729461][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2011.729461][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2011.729461][ T74] netlink_rcv_skb+0x130/0x360 [ 2011.729461][ T74] netlink_unicast+0x449/0x710 [ 2011.729461][ T74] netlink_sendmsg+0x723/0xbe0 [ 2011.729461][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2011.729461][ T74] ___sys_sendmsg+0xee/0x170 [ 2011.729461][ T74] __sys_sendmsg+0xcd/0x170 [ 2011.729461][ T74] do_syscall_64+0xc6/0x1e0 [ 2011.729461][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2011.729461][ T74] [ 2011.731711][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2011.731711][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2011.731711][ T74] ipv6_find_idev+0x102/0x170 [ 2011.731711][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2011.731711][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2011.731711][ T74] netlink_rcv_skb+0x130/0x360 [ 2011.731711][ T74] netlink_unicast+0x449/0x710 [ 2011.731711][ T74] netlink_sendmsg+0x723/0xbe0 [ 2011.731711][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2011.731711][ T74] ___sys_sendmsg+0xee/0x170 [ 2011.731711][ T74] __sys_sendmsg+0xcd/0x170 [ 2011.731711][ T74] do_syscall_64+0xc6/0x1e0 [ 2011.731711][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2011.731711][ T74] [ 2011.733445][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2011.733445][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2011.733445][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2011.733445][ T74] ipv6_find_idev+0x102/0x170 [ 2011.733445][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2011.733445][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2011.733445][ T74] netlink_rcv_skb+0x130/0x360 [ 2011.733445][ T74] netlink_unicast+0x449/0x710 [ 2011.733445][ T74] netlink_sendmsg+0x723/0xbe0 [ 2011.733445][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2011.733445][ T74] ___sys_sendmsg+0xee/0x170 [ 2011.733445][ T74] __sys_sendmsg+0xcd/0x170 [ 2011.733445][ T74] do_syscall_64+0xc6/0x1e0 [ 2011.733445][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2011.733445][ T74] [ 2021.976013][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2021.976418][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2021.976418][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2021.976418][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2021.976418][ T74] fib6_nh_init+0xa22/0x1580 [ 2021.976418][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2021.976418][ T74] ip6_route_add+0x1c/0x140 [ 2021.976418][ T74] inet6_rtm_newroute+0x104/0x110 [ 2021.976418][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2021.976418][ T74] netlink_rcv_skb+0x130/0x360 [ 2021.976418][ T74] netlink_unicast+0x449/0x710 [ 2021.976418][ T74] netlink_sendmsg+0x723/0xbe0 [ 2021.976418][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2021.976418][ T74] ___sys_sendmsg+0xee/0x170 [ 2021.976418][ T74] __sys_sendmsg+0xcd/0x170 [ 2021.976418][ T74] do_syscall_64+0xc6/0x1e0 [ 2021.976418][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2021.976418][ T74] [ 2021.978437][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2021.978437][ T74] netdev_get_by_index+0x5e/0x80 [ 2021.978437][ T74] fib6_nh_init+0x3d8/0x1580 [ 2021.978437][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2021.978437][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2021.978437][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2021.978437][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2021.978437][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2021.978437][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2021.978437][ T74] addrconf_dad_begin+0x310/0x670 [ 2021.978437][ T74] addrconf_dad_work+0x10b/0xab0 [ 2021.978437][ T74] process_one_work+0x84d/0x18a0 [ 2021.978437][ T74] worker_thread+0x587/0xd30 [ 2021.978437][ T74] kthread+0x28a/0x350 [ 2021.978437][ T74] ret_from_fork+0x31/0x70 [ 2021.978437][ T74] ret_from_fork_asm+0x1a/0x30 [ 2021.978437][ T74] [ 2021.980482][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2021.980482][ T74] netdev_get_by_index+0x5e/0x80 [ 2021.980482][ T74] fib6_nh_init+0x3d8/0x1580 [ 2021.980482][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2021.980482][ T74] ip6_route_add+0x1c/0x140 [ 2021.980482][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2021.980482][ T74] inet6_addr_add+0x4f8/0xa40 [ 2021.980482][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2021.980482][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2021.980482][ T74] netlink_rcv_skb+0x130/0x360 [ 2021.980482][ T74] netlink_unicast+0x449/0x710 [ 2021.980482][ T74] netlink_sendmsg+0x723/0xbe0 [ 2021.980482][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2021.980482][ T74] ___sys_sendmsg+0xee/0x170 [ 2021.980482][ T74] __sys_sendmsg+0xcd/0x170 [ 2021.980482][ T74] do_syscall_64+0xc6/0x1e0 [ 2021.980482][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2021.980482][ T74] [ 2021.982767][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2021.982767][ T74] netdev_get_by_index+0x5e/0x80 [ 2021.982767][ T74] fib6_nh_init+0x3d8/0x1580 [ 2021.982767][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2021.982767][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2021.982767][ T74] ipv6_add_addr+0x411/0x2000 [ 2021.982767][ T74] inet6_addr_add+0x30e/0xa40 [ 2021.982767][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2021.982767][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2021.982767][ T74] netlink_rcv_skb+0x130/0x360 [ 2021.982767][ T74] netlink_unicast+0x449/0x710 [ 2021.982767][ T74] netlink_sendmsg+0x723/0xbe0 [ 2021.982767][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2021.982767][ T74] ___sys_sendmsg+0xee/0x170 [ 2021.982767][ T74] __sys_sendmsg+0xcd/0x170 [ 2021.982767][ T74] do_syscall_64+0xc6/0x1e0 [ 2021.982767][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2021.982767][ T74] [ 2021.985182][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2021.985182][ T74] netdev_get_by_index+0x5e/0x80 [ 2021.985182][ T74] fib6_nh_init+0x3d8/0x1580 [ 2021.985182][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2021.985182][ T74] ip6_route_add+0x1c/0x140 [ 2021.985182][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2021.985182][ T74] addrconf_add_dev+0xe2/0x170 [ 2021.985182][ T74] inet6_addr_add+0x12f/0xa40 [ 2021.985182][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2021.985182][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2021.985182][ T74] netlink_rcv_skb+0x130/0x360 [ 2021.985182][ T74] netlink_unicast+0x449/0x710 [ 2021.985182][ T74] netlink_sendmsg+0x723/0xbe0 [ 2021.985182][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2021.985182][ T74] ___sys_sendmsg+0xee/0x170 [ 2021.985182][ T74] __sys_sendmsg+0xcd/0x170 [ 2021.985182][ T74] do_syscall_64+0xc6/0x1e0 [ 2021.985182][ T74] [ 2021.987164][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2021.987164][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2021.987164][ T74] ipv6_find_idev+0x102/0x170 [ 2021.987164][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2021.987164][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2021.987164][ T74] netlink_rcv_skb+0x130/0x360 [ 2021.987164][ T74] netlink_unicast+0x449/0x710 [ 2021.987164][ T74] netlink_sendmsg+0x723/0xbe0 [ 2021.987164][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2021.987164][ T74] ___sys_sendmsg+0xee/0x170 [ 2021.987164][ T74] __sys_sendmsg+0xcd/0x170 [ 2021.987164][ T74] do_syscall_64+0xc6/0x1e0 [ 2021.987164][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2021.987164][ T74] [ 2021.988718][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2021.988718][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2021.988718][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2021.988718][ T74] ipv6_find_idev+0x102/0x170 [ 2021.988718][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2021.988718][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2021.988718][ T74] netlink_rcv_skb+0x130/0x360 [ 2021.988718][ T74] netlink_unicast+0x449/0x710 [ 2021.988718][ T74] netlink_sendmsg+0x723/0xbe0 [ 2021.988718][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2021.988718][ T74] ___sys_sendmsg+0xee/0x170 [ 2021.988718][ T74] __sys_sendmsg+0xcd/0x170 [ 2021.988718][ T74] do_syscall_64+0xc6/0x1e0 [ 2021.988718][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2021.988718][ T74] [ 2021.990465][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2021.991156][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2021.991156][ T74] dst_init+0x84/0x4a0 [ 2021.991156][ T74] dst_alloc+0x97/0x150 [ 2021.991156][ T74] ip6_dst_alloc+0x23/0x90 [ 2021.991156][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2021.991156][ T74] ip6_pol_route+0x56f/0x840 [ 2021.991156][ T74] fib6_rule_lookup+0x456/0x630 [ 2021.991156][ T74] ip6_route_input+0x59c/0xa50 [ 2021.991156][ T74] ipv6_rcv+0x397/0x810 [ 2021.991156][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2021.991156][ T74] process_backlog+0x101/0x620 [ 2021.991156][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2021.991156][ T74] net_rx_action+0x495/0xbe0 [ 2021.991156][ T74] __do_softirq+0x1b5/0x7f6 [ 2021.991156][ T74] [ 2021.992803][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2021.992803][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2021.992803][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2021.992803][ T74] fib6_nh_init+0xa22/0x1580 [ 2021.992803][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2021.992803][ T74] ip6_route_add+0x1c/0x140 [ 2021.992803][ T74] inet6_rtm_newroute+0x104/0x110 [ 2021.992803][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2021.992803][ T74] netlink_rcv_skb+0x130/0x360 [ 2021.992803][ T74] netlink_unicast+0x449/0x710 [ 2021.992803][ T74] netlink_sendmsg+0x723/0xbe0 [ 2021.992803][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2021.992803][ T74] ___sys_sendmsg+0xee/0x170 [ 2021.992803][ T74] __sys_sendmsg+0xcd/0x170 [ 2021.992803][ T74] do_syscall_64+0xc6/0x1e0 [ 2021.992803][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2021.992803][ T74] [ 2021.994700][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2021.994700][ T74] netdev_get_by_index+0x5e/0x80 [ 2021.994700][ T74] fib6_nh_init+0x3d8/0x1580 [ 2021.994700][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2021.994700][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2021.994700][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2021.994700][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2021.994700][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2021.994700][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2021.994700][ T74] addrconf_dad_begin+0x310/0x670 [ 2021.994700][ T74] addrconf_dad_work+0x10b/0xab0 [ 2021.994700][ T74] process_one_work+0x84d/0x18a0 [ 2021.994700][ T74] worker_thread+0x587/0xd30 [ 2021.994700][ T74] kthread+0x28a/0x350 [ 2021.994700][ T74] ret_from_fork+0x31/0x70 [ 2021.994700][ T74] ret_from_fork_asm+0x1a/0x30 [ 2021.994700][ T74] [ 2021.996618][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2021.996618][ T74] netdev_get_by_index+0x5e/0x80 [ 2021.996618][ T74] fib6_nh_init+0x3d8/0x1580 [ 2021.996618][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2021.996618][ T74] ip6_route_add+0x1c/0x140 [ 2021.996618][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2021.996618][ T74] inet6_addr_add+0x4f8/0xa40 [ 2021.996618][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2021.996618][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2021.996618][ T74] netlink_rcv_skb+0x130/0x360 [ 2021.996618][ T74] netlink_unicast+0x449/0x710 [ 2021.996618][ T74] netlink_sendmsg+0x723/0xbe0 [ 2021.996618][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2021.996618][ T74] ___sys_sendmsg+0xee/0x170 [ 2021.996618][ T74] __sys_sendmsg+0xcd/0x170 [ 2021.996618][ T74] do_syscall_64+0xc6/0x1e0 [ 2021.996618][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2021.996618][ T74] [ 2021.998632][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2021.998632][ T74] netdev_get_by_index+0x5e/0x80 [ 2021.998632][ T74] fib6_nh_init+0x3d8/0x1580 [ 2021.998632][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2021.998632][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2021.998632][ T74] ipv6_add_addr+0x411/0x2000 [ 2021.998632][ T74] inet6_addr_add+0x30e/0xa40 [ 2021.998632][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2021.998632][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2021.998632][ T74] netlink_rcv_skb+0x130/0x360 [ 2021.998632][ T74] netlink_unicast+0x449/0x710 [ 2021.998632][ T74] netlink_sendmsg+0x723/0xbe0 [ 2021.998632][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2021.998632][ T74] ___sys_sendmsg+0xee/0x170 [ 2021.998632][ T74] __sys_sendmsg+0xcd/0x170 [ 2021.998632][ T74] do_syscall_64+0xc6/0x1e0 [ 2021.998632][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2021.998632][ T74] [ 2022.000659][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2022.000659][ T74] netdev_get_by_index+0x5e/0x80 [ 2022.000659][ T74] fib6_nh_init+0x3d8/0x1580 [ 2022.000659][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2022.000659][ T74] ip6_route_add+0x1c/0x140 [ 2022.000659][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2022.000659][ T74] addrconf_add_dev+0xe2/0x170 [ 2022.000659][ T74] inet6_addr_add+0x12f/0xa40 [ 2022.000659][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2022.000659][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2022.000659][ T74] netlink_rcv_skb+0x130/0x360 [ 2022.000659][ T74] netlink_unicast+0x449/0x710 [ 2022.000659][ T74] netlink_sendmsg+0x723/0xbe0 [ 2022.000659][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2022.000659][ T74] ___sys_sendmsg+0xee/0x170 [ 2022.000659][ T74] __sys_sendmsg+0xcd/0x170 [ 2022.000659][ T74] do_syscall_64+0xc6/0x1e0 [ 2022.000659][ T74] [ 2022.002739][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2022.002739][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2022.002739][ T74] ipv6_find_idev+0x102/0x170 [ 2022.002739][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2022.002739][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2022.002739][ T74] netlink_rcv_skb+0x130/0x360 [ 2022.002739][ T74] netlink_unicast+0x449/0x710 [ 2022.002739][ T74] netlink_sendmsg+0x723/0xbe0 [ 2022.002739][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2022.002739][ T74] ___sys_sendmsg+0xee/0x170 [ 2022.002739][ T74] __sys_sendmsg+0xcd/0x170 [ 2022.002739][ T74] do_syscall_64+0xc6/0x1e0 [ 2022.002739][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2022.002739][ T74] [ 2022.004425][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2022.004425][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2022.004425][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2022.004425][ T74] ipv6_find_idev+0x102/0x170 [ 2022.004425][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2022.004425][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2022.004425][ T74] netlink_rcv_skb+0x130/0x360 [ 2022.004425][ T74] netlink_unicast+0x449/0x710 [ 2022.004425][ T74] netlink_sendmsg+0x723/0xbe0 [ 2022.004425][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2022.004425][ T74] ___sys_sendmsg+0xee/0x170 [ 2022.004425][ T74] __sys_sendmsg+0xcd/0x170 [ 2022.004425][ T74] do_syscall_64+0xc6/0x1e0 [ 2022.004425][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2022.004425][ T74] [ 2022.006260][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2022.006500][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2022.006500][ T74] netdev_get_by_index+0x5e/0x80 [ 2022.006500][ T74] fib6_nh_init+0x3d8/0x1580 [ 2022.006500][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2022.006500][ T74] ip6_route_add+0x1c/0x140 [ 2022.006500][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2022.006500][ T74] inet6_addr_add+0x4f8/0xa40 [ 2022.006500][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2022.006500][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2022.006500][ T74] netlink_rcv_skb+0x130/0x360 [ 2022.006500][ T74] netlink_unicast+0x449/0x710 [ 2022.006500][ T74] netlink_sendmsg+0x723/0xbe0 [ 2022.006500][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2022.006500][ T74] ___sys_sendmsg+0xee/0x170 [ 2022.006500][ T74] __sys_sendmsg+0xcd/0x170 [ 2022.006500][ T74] do_syscall_64+0xc6/0x1e0 [ 2022.006500][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2022.006500][ T74] [ 2022.008643][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2022.008643][ T74] netdev_get_by_index+0x5e/0x80 [ 2022.008643][ T74] fib6_nh_init+0x3d8/0x1580 [ 2022.008643][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2022.008643][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2022.008643][ T74] ipv6_add_addr+0x411/0x2000 [ 2022.008643][ T74] inet6_addr_add+0x30e/0xa40 [ 2022.008643][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2022.008643][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2022.008643][ T74] netlink_rcv_skb+0x130/0x360 [ 2022.008643][ T74] netlink_unicast+0x449/0x710 [ 2022.008643][ T74] netlink_sendmsg+0x723/0xbe0 [ 2022.008643][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2022.008643][ T74] ___sys_sendmsg+0xee/0x170 [ 2022.008643][ T74] __sys_sendmsg+0xcd/0x170 [ 2022.008643][ T74] do_syscall_64+0xc6/0x1e0 [ 2022.008643][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2022.008643][ T74] [ 2022.010784][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2022.010784][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2022.010784][ T74] ipv6_find_idev+0x102/0x170 [ 2022.010784][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2022.010784][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2022.010784][ T74] netlink_rcv_skb+0x130/0x360 [ 2022.010784][ T74] netlink_unicast+0x449/0x710 [ 2022.010784][ T74] netlink_sendmsg+0x723/0xbe0 [ 2022.010784][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2022.010784][ T74] ___sys_sendmsg+0xee/0x170 [ 2022.010784][ T74] __sys_sendmsg+0xcd/0x170 [ 2022.010784][ T74] do_syscall_64+0xc6/0x1e0 [ 2022.010784][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2022.010784][ T74] [ 2022.012406][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2022.012406][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2022.012406][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2022.012406][ T74] ipv6_find_idev+0x102/0x170 [ 2022.012406][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2022.012406][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2022.012406][ T74] netlink_rcv_skb+0x130/0x360 [ 2022.012406][ T74] netlink_unicast+0x449/0x710 [ 2022.012406][ T74] netlink_sendmsg+0x723/0xbe0 [ 2022.012406][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2022.012406][ T74] ___sys_sendmsg+0xee/0x170 [ 2022.012406][ T74] __sys_sendmsg+0xcd/0x170 [ 2022.012406][ T74] do_syscall_64+0xc6/0x1e0 [ 2022.012406][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2022.012406][ T74] [ 2032.255994][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2032.256413][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2032.256413][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2032.256413][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2032.256413][ T74] fib6_nh_init+0xa22/0x1580 [ 2032.256413][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2032.256413][ T74] ip6_route_add+0x1c/0x140 [ 2032.256413][ T74] inet6_rtm_newroute+0x104/0x110 [ 2032.256413][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2032.256413][ T74] netlink_rcv_skb+0x130/0x360 [ 2032.256413][ T74] netlink_unicast+0x449/0x710 [ 2032.256413][ T74] netlink_sendmsg+0x723/0xbe0 [ 2032.256413][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2032.256413][ T74] ___sys_sendmsg+0xee/0x170 [ 2032.256413][ T74] __sys_sendmsg+0xcd/0x170 [ 2032.256413][ T74] do_syscall_64+0xc6/0x1e0 [ 2032.256413][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2032.256413][ T74] [ 2032.258500][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2032.258500][ T74] netdev_get_by_index+0x5e/0x80 [ 2032.258500][ T74] fib6_nh_init+0x3d8/0x1580 [ 2032.258500][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2032.258500][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2032.258500][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2032.258500][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2032.258500][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2032.258500][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2032.258500][ T74] addrconf_dad_begin+0x310/0x670 [ 2032.258500][ T74] addrconf_dad_work+0x10b/0xab0 [ 2032.258500][ T74] process_one_work+0x84d/0x18a0 [ 2032.258500][ T74] worker_thread+0x587/0xd30 [ 2032.258500][ T74] kthread+0x28a/0x350 [ 2032.258500][ T74] ret_from_fork+0x31/0x70 [ 2032.258500][ T74] ret_from_fork_asm+0x1a/0x30 [ 2032.258500][ T74] [ 2032.260630][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2032.260630][ T74] netdev_get_by_index+0x5e/0x80 [ 2032.260630][ T74] fib6_nh_init+0x3d8/0x1580 [ 2032.260630][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2032.260630][ T74] ip6_route_add+0x1c/0x140 [ 2032.260630][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2032.260630][ T74] inet6_addr_add+0x4f8/0xa40 [ 2032.260630][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2032.260630][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2032.260630][ T74] netlink_rcv_skb+0x130/0x360 [ 2032.260630][ T74] netlink_unicast+0x449/0x710 [ 2032.260630][ T74] netlink_sendmsg+0x723/0xbe0 [ 2032.260630][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2032.260630][ T74] ___sys_sendmsg+0xee/0x170 [ 2032.260630][ T74] __sys_sendmsg+0xcd/0x170 [ 2032.260630][ T74] do_syscall_64+0xc6/0x1e0 [ 2032.260630][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2032.260630][ T74] [ 2032.262843][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2032.262843][ T74] netdev_get_by_index+0x5e/0x80 [ 2032.262843][ T74] fib6_nh_init+0x3d8/0x1580 [ 2032.262843][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2032.262843][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2032.262843][ T74] ipv6_add_addr+0x411/0x2000 [ 2032.262843][ T74] inet6_addr_add+0x30e/0xa40 [ 2032.262843][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2032.262843][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2032.262843][ T74] netlink_rcv_skb+0x130/0x360 [ 2032.262843][ T74] netlink_unicast+0x449/0x710 [ 2032.262843][ T74] netlink_sendmsg+0x723/0xbe0 [ 2032.262843][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2032.262843][ T74] ___sys_sendmsg+0xee/0x170 [ 2032.262843][ T74] __sys_sendmsg+0xcd/0x170 [ 2032.262843][ T74] do_syscall_64+0xc6/0x1e0 [ 2032.262843][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2032.262843][ T74] [ 2032.265049][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2032.265049][ T74] netdev_get_by_index+0x5e/0x80 [ 2032.265049][ T74] fib6_nh_init+0x3d8/0x1580 [ 2032.265049][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2032.265049][ T74] ip6_route_add+0x1c/0x140 [ 2032.265049][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2032.265049][ T74] addrconf_add_dev+0xe2/0x170 [ 2032.265049][ T74] inet6_addr_add+0x12f/0xa40 [ 2032.265049][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2032.265049][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2032.265049][ T74] netlink_rcv_skb+0x130/0x360 [ 2032.265049][ T74] netlink_unicast+0x449/0x710 [ 2032.265049][ T74] netlink_sendmsg+0x723/0xbe0 [ 2032.265049][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2032.265049][ T74] ___sys_sendmsg+0xee/0x170 [ 2032.265049][ T74] __sys_sendmsg+0xcd/0x170 [ 2032.265049][ T74] do_syscall_64+0xc6/0x1e0 [ 2032.265049][ T74] [ 2032.267188][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2032.267188][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2032.267188][ T74] ipv6_find_idev+0x102/0x170 [ 2032.267188][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2032.267188][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2032.267188][ T74] netlink_rcv_skb+0x130/0x360 [ 2032.267188][ T74] netlink_unicast+0x449/0x710 [ 2032.267188][ T74] netlink_sendmsg+0x723/0xbe0 [ 2032.267188][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2032.267188][ T74] ___sys_sendmsg+0xee/0x170 [ 2032.267188][ T74] __sys_sendmsg+0xcd/0x170 [ 2032.267188][ T74] do_syscall_64+0xc6/0x1e0 [ 2032.267188][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2032.267188][ T74] [ 2032.268890][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2032.268890][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2032.268890][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2032.268890][ T74] ipv6_find_idev+0x102/0x170 [ 2032.268890][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2032.268890][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2032.268890][ T74] netlink_rcv_skb+0x130/0x360 [ 2032.268890][ T74] netlink_unicast+0x449/0x710 [ 2032.268890][ T74] netlink_sendmsg+0x723/0xbe0 [ 2032.268890][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2032.268890][ T74] ___sys_sendmsg+0xee/0x170 [ 2032.268890][ T74] __sys_sendmsg+0xcd/0x170 [ 2032.268890][ T74] do_syscall_64+0xc6/0x1e0 [ 2032.268890][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2032.268890][ T74] [ 2032.270689][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2032.270999][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2032.270999][ T74] dst_init+0x84/0x4a0 [ 2032.270999][ T74] dst_alloc+0x97/0x150 [ 2032.270999][ T74] ip6_dst_alloc+0x23/0x90 [ 2032.270999][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2032.270999][ T74] ip6_pol_route+0x56f/0x840 [ 2032.270999][ T74] fib6_rule_lookup+0x456/0x630 [ 2032.270999][ T74] ip6_route_input+0x59c/0xa50 [ 2032.270999][ T74] ipv6_rcv+0x397/0x810 [ 2032.270999][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2032.270999][ T74] process_backlog+0x101/0x620 [ 2032.270999][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2032.270999][ T74] net_rx_action+0x495/0xbe0 [ 2032.270999][ T74] __do_softirq+0x1b5/0x7f6 [ 2032.270999][ T74] [ 2032.272663][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2032.272663][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2032.272663][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2032.272663][ T74] fib6_nh_init+0xa22/0x1580 [ 2032.272663][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2032.272663][ T74] ip6_route_add+0x1c/0x140 [ 2032.272663][ T74] inet6_rtm_newroute+0x104/0x110 [ 2032.272663][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2032.272663][ T74] netlink_rcv_skb+0x130/0x360 [ 2032.272663][ T74] netlink_unicast+0x449/0x710 [ 2032.272663][ T74] netlink_sendmsg+0x723/0xbe0 [ 2032.272663][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2032.272663][ T74] ___sys_sendmsg+0xee/0x170 [ 2032.272663][ T74] __sys_sendmsg+0xcd/0x170 [ 2032.272663][ T74] do_syscall_64+0xc6/0x1e0 [ 2032.272663][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2032.272663][ T74] [ 2032.274619][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2032.274619][ T74] netdev_get_by_index+0x5e/0x80 [ 2032.274619][ T74] fib6_nh_init+0x3d8/0x1580 [ 2032.274619][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2032.274619][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2032.274619][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2032.274619][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2032.274619][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2032.274619][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2032.274619][ T74] addrconf_dad_begin+0x310/0x670 [ 2032.274619][ T74] addrconf_dad_work+0x10b/0xab0 [ 2032.274619][ T74] process_one_work+0x84d/0x18a0 [ 2032.274619][ T74] worker_thread+0x587/0xd30 [ 2032.274619][ T74] kthread+0x28a/0x350 [ 2032.274619][ T74] ret_from_fork+0x31/0x70 [ 2032.274619][ T74] ret_from_fork_asm+0x1a/0x30 [ 2032.274619][ T74] [ 2032.276568][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2032.276568][ T74] netdev_get_by_index+0x5e/0x80 [ 2032.276568][ T74] fib6_nh_init+0x3d8/0x1580 [ 2032.276568][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2032.276568][ T74] ip6_route_add+0x1c/0x140 [ 2032.276568][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2032.276568][ T74] inet6_addr_add+0x4f8/0xa40 [ 2032.276568][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2032.276568][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2032.276568][ T74] netlink_rcv_skb+0x130/0x360 [ 2032.276568][ T74] netlink_unicast+0x449/0x710 [ 2032.276568][ T74] netlink_sendmsg+0x723/0xbe0 [ 2032.276568][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2032.276568][ T74] ___sys_sendmsg+0xee/0x170 [ 2032.276568][ T74] __sys_sendmsg+0xcd/0x170 [ 2032.276568][ T74] do_syscall_64+0xc6/0x1e0 [ 2032.276568][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2032.276568][ T74] [ 2032.278593][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2032.278593][ T74] netdev_get_by_index+0x5e/0x80 [ 2032.278593][ T74] fib6_nh_init+0x3d8/0x1580 [ 2032.278593][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2032.278593][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2032.278593][ T74] ipv6_add_addr+0x411/0x2000 [ 2032.278593][ T74] inet6_addr_add+0x30e/0xa40 [ 2032.278593][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2032.278593][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2032.278593][ T74] netlink_rcv_skb+0x130/0x360 [ 2032.278593][ T74] netlink_unicast+0x449/0x710 [ 2032.278593][ T74] netlink_sendmsg+0x723/0xbe0 [ 2032.278593][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2032.278593][ T74] ___sys_sendmsg+0xee/0x170 [ 2032.278593][ T74] __sys_sendmsg+0xcd/0x170 [ 2032.278593][ T74] do_syscall_64+0xc6/0x1e0 [ 2032.278593][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2032.278593][ T74] [ 2032.280636][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2032.280636][ T74] netdev_get_by_index+0x5e/0x80 [ 2032.280636][ T74] fib6_nh_init+0x3d8/0x1580 [ 2032.280636][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2032.280636][ T74] ip6_route_add+0x1c/0x140 [ 2032.280636][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2032.280636][ T74] addrconf_add_dev+0xe2/0x170 [ 2032.280636][ T74] inet6_addr_add+0x12f/0xa40 [ 2032.280636][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2032.280636][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2032.280636][ T74] netlink_rcv_skb+0x130/0x360 [ 2032.280636][ T74] netlink_unicast+0x449/0x710 [ 2032.280636][ T74] netlink_sendmsg+0x723/0xbe0 [ 2032.280636][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2032.280636][ T74] ___sys_sendmsg+0xee/0x170 [ 2032.280636][ T74] __sys_sendmsg+0xcd/0x170 [ 2032.280636][ T74] do_syscall_64+0xc6/0x1e0 [ 2032.280636][ T74] [ 2032.282635][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2032.282635][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2032.282635][ T74] ipv6_find_idev+0x102/0x170 [ 2032.282635][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2032.282635][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2032.282635][ T74] netlink_rcv_skb+0x130/0x360 [ 2032.282635][ T74] netlink_unicast+0x449/0x710 [ 2032.282635][ T74] netlink_sendmsg+0x723/0xbe0 [ 2032.282635][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2032.282635][ T74] ___sys_sendmsg+0xee/0x170 [ 2032.282635][ T74] __sys_sendmsg+0xcd/0x170 [ 2032.282635][ T74] do_syscall_64+0xc6/0x1e0 [ 2032.282635][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2032.282635][ T74] [ 2032.284372][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2032.284372][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2032.284372][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2032.284372][ T74] ipv6_find_idev+0x102/0x170 [ 2032.284372][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2032.284372][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2032.284372][ T74] netlink_rcv_skb+0x130/0x360 [ 2032.284372][ T74] netlink_unicast+0x449/0x710 [ 2032.284372][ T74] netlink_sendmsg+0x723/0xbe0 [ 2032.284372][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2032.284372][ T74] ___sys_sendmsg+0xee/0x170 [ 2032.284372][ T74] __sys_sendmsg+0xcd/0x170 [ 2032.284372][ T74] do_syscall_64+0xc6/0x1e0 [ 2032.284372][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2032.284372][ T74] [ 2032.286281][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2032.286596][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2032.286596][ T74] netdev_get_by_index+0x5e/0x80 [ 2032.286596][ T74] fib6_nh_init+0x3d8/0x1580 [ 2032.286596][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2032.286596][ T74] ip6_route_add+0x1c/0x140 [ 2032.286596][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2032.286596][ T74] inet6_addr_add+0x4f8/0xa40 [ 2032.286596][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2032.286596][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2032.286596][ T74] netlink_rcv_skb+0x130/0x360 [ 2032.286596][ T74] netlink_unicast+0x449/0x710 [ 2032.286596][ T74] netlink_sendmsg+0x723/0xbe0 [ 2032.286596][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2032.286596][ T74] ___sys_sendmsg+0xee/0x170 [ 2032.286596][ T74] __sys_sendmsg+0xcd/0x170 [ 2032.286596][ T74] do_syscall_64+0xc6/0x1e0 [ 2032.286596][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2032.286596][ T74] [ 2032.288864][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2032.288864][ T74] netdev_get_by_index+0x5e/0x80 [ 2032.288864][ T74] fib6_nh_init+0x3d8/0x1580 [ 2032.288864][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2032.288864][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2032.288864][ T74] ipv6_add_addr+0x411/0x2000 [ 2032.288864][ T74] inet6_addr_add+0x30e/0xa40 [ 2032.288864][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2032.288864][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2032.288864][ T74] netlink_rcv_skb+0x130/0x360 [ 2032.288864][ T74] netlink_unicast+0x449/0x710 [ 2032.288864][ T74] netlink_sendmsg+0x723/0xbe0 [ 2032.288864][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2032.288864][ T74] ___sys_sendmsg+0xee/0x170 [ 2032.288864][ T74] __sys_sendmsg+0xcd/0x170 [ 2032.288864][ T74] do_syscall_64+0xc6/0x1e0 [ 2032.288864][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2032.288864][ T74] [ 2032.291287][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2032.291287][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2032.291287][ T74] ipv6_find_idev+0x102/0x170 [ 2032.291287][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2032.291287][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2032.291287][ T74] netlink_rcv_skb+0x130/0x360 [ 2032.291287][ T74] netlink_unicast+0x449/0x710 [ 2032.291287][ T74] netlink_sendmsg+0x723/0xbe0 [ 2032.291287][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2032.291287][ T74] ___sys_sendmsg+0xee/0x170 [ 2032.291287][ T74] __sys_sendmsg+0xcd/0x170 [ 2032.291287][ T74] do_syscall_64+0xc6/0x1e0 [ 2032.291287][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2032.291287][ T74] [ 2032.293171][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2032.293171][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2032.293171][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2032.293171][ T74] ipv6_find_idev+0x102/0x170 [ 2032.293171][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2032.293171][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2032.293171][ T74] netlink_rcv_skb+0x130/0x360 [ 2032.293171][ T74] netlink_unicast+0x449/0x710 [ 2032.293171][ T74] netlink_sendmsg+0x723/0xbe0 [ 2032.293171][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2032.293171][ T74] ___sys_sendmsg+0xee/0x170 [ 2032.293171][ T74] __sys_sendmsg+0xcd/0x170 [ 2032.293171][ T74] do_syscall_64+0xc6/0x1e0 [ 2032.293171][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2032.293171][ T74] [ 2042.471913][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2042.472302][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2042.472302][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2042.472302][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2042.472302][ T74] fib6_nh_init+0xa22/0x1580 [ 2042.472302][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2042.472302][ T74] ip6_route_add+0x1c/0x140 [ 2042.472302][ T74] inet6_rtm_newroute+0x104/0x110 [ 2042.472302][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2042.472302][ T74] netlink_rcv_skb+0x130/0x360 [ 2042.472302][ T74] netlink_unicast+0x449/0x710 [ 2042.472302][ T74] netlink_sendmsg+0x723/0xbe0 [ 2042.472302][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2042.472302][ T74] ___sys_sendmsg+0xee/0x170 [ 2042.472302][ T74] __sys_sendmsg+0xcd/0x170 [ 2042.472302][ T74] do_syscall_64+0xc6/0x1e0 [ 2042.472302][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2042.472302][ T74] [ 2042.474219][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2042.474219][ T74] netdev_get_by_index+0x5e/0x80 [ 2042.474219][ T74] fib6_nh_init+0x3d8/0x1580 [ 2042.474219][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2042.474219][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2042.474219][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2042.474219][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2042.474219][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2042.474219][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2042.474219][ T74] addrconf_dad_begin+0x310/0x670 [ 2042.474219][ T74] addrconf_dad_work+0x10b/0xab0 [ 2042.474219][ T74] process_one_work+0x84d/0x18a0 [ 2042.474219][ T74] worker_thread+0x587/0xd30 [ 2042.474219][ T74] kthread+0x28a/0x350 [ 2042.474219][ T74] ret_from_fork+0x31/0x70 [ 2042.474219][ T74] ret_from_fork_asm+0x1a/0x30 [ 2042.474219][ T74] [ 2042.476142][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2042.476142][ T74] netdev_get_by_index+0x5e/0x80 [ 2042.476142][ T74] fib6_nh_init+0x3d8/0x1580 [ 2042.476142][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2042.476142][ T74] ip6_route_add+0x1c/0x140 [ 2042.476142][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2042.476142][ T74] inet6_addr_add+0x4f8/0xa40 [ 2042.476142][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2042.476142][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2042.476142][ T74] netlink_rcv_skb+0x130/0x360 [ 2042.476142][ T74] netlink_unicast+0x449/0x710 [ 2042.476142][ T74] netlink_sendmsg+0x723/0xbe0 [ 2042.476142][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2042.476142][ T74] ___sys_sendmsg+0xee/0x170 [ 2042.476142][ T74] __sys_sendmsg+0xcd/0x170 [ 2042.476142][ T74] do_syscall_64+0xc6/0x1e0 [ 2042.476142][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2042.476142][ T74] [ 2042.478155][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2042.478155][ T74] netdev_get_by_index+0x5e/0x80 [ 2042.478155][ T74] fib6_nh_init+0x3d8/0x1580 [ 2042.478155][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2042.478155][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2042.478155][ T74] ipv6_add_addr+0x411/0x2000 [ 2042.478155][ T74] inet6_addr_add+0x30e/0xa40 [ 2042.478155][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2042.478155][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2042.478155][ T74] netlink_rcv_skb+0x130/0x360 [ 2042.478155][ T74] netlink_unicast+0x449/0x710 [ 2042.478155][ T74] netlink_sendmsg+0x723/0xbe0 [ 2042.478155][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2042.478155][ T74] ___sys_sendmsg+0xee/0x170 [ 2042.478155][ T74] __sys_sendmsg+0xcd/0x170 [ 2042.478155][ T74] do_syscall_64+0xc6/0x1e0 [ 2042.478155][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2042.478155][ T74] [ 2042.480168][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2042.480168][ T74] netdev_get_by_index+0x5e/0x80 [ 2042.480168][ T74] fib6_nh_init+0x3d8/0x1580 [ 2042.480168][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2042.480168][ T74] ip6_route_add+0x1c/0x140 [ 2042.480168][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2042.480168][ T74] addrconf_add_dev+0xe2/0x170 [ 2042.480168][ T74] inet6_addr_add+0x12f/0xa40 [ 2042.480168][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2042.480168][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2042.480168][ T74] netlink_rcv_skb+0x130/0x360 [ 2042.480168][ T74] netlink_unicast+0x449/0x710 [ 2042.480168][ T74] netlink_sendmsg+0x723/0xbe0 [ 2042.480168][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2042.480168][ T74] ___sys_sendmsg+0xee/0x170 [ 2042.480168][ T74] __sys_sendmsg+0xcd/0x170 [ 2042.480168][ T74] do_syscall_64+0xc6/0x1e0 [ 2042.480168][ T74] [ 2042.482147][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2042.482147][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2042.482147][ T74] ipv6_find_idev+0x102/0x170 [ 2042.482147][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2042.482147][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2042.482147][ T74] netlink_rcv_skb+0x130/0x360 [ 2042.482147][ T74] netlink_unicast+0x449/0x710 [ 2042.482147][ T74] netlink_sendmsg+0x723/0xbe0 [ 2042.482147][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2042.482147][ T74] ___sys_sendmsg+0xee/0x170 [ 2042.482147][ T74] __sys_sendmsg+0xcd/0x170 [ 2042.482147][ T74] do_syscall_64+0xc6/0x1e0 [ 2042.482147][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2042.482147][ T74] [ 2042.483712][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2042.483712][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2042.483712][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2042.483712][ T74] ipv6_find_idev+0x102/0x170 [ 2042.483712][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2042.483712][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2042.483712][ T74] netlink_rcv_skb+0x130/0x360 [ 2042.483712][ T74] netlink_unicast+0x449/0x710 [ 2042.483712][ T74] netlink_sendmsg+0x723/0xbe0 [ 2042.483712][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2042.483712][ T74] ___sys_sendmsg+0xee/0x170 [ 2042.483712][ T74] __sys_sendmsg+0xcd/0x170 [ 2042.483712][ T74] do_syscall_64+0xc6/0x1e0 [ 2042.483712][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2042.483712][ T74] [ 2042.485413][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2042.485690][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2042.485690][ T74] dst_init+0x84/0x4a0 [ 2042.485690][ T74] dst_alloc+0x97/0x150 [ 2042.485690][ T74] ip6_dst_alloc+0x23/0x90 [ 2042.485690][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2042.485690][ T74] ip6_pol_route+0x56f/0x840 [ 2042.485690][ T74] fib6_rule_lookup+0x456/0x630 [ 2042.485690][ T74] ip6_route_input+0x59c/0xa50 [ 2042.485690][ T74] ipv6_rcv+0x397/0x810 [ 2042.485690][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2042.485690][ T74] process_backlog+0x101/0x620 [ 2042.485690][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2042.485690][ T74] net_rx_action+0x495/0xbe0 [ 2042.485690][ T74] __do_softirq+0x1b5/0x7f6 [ 2042.485690][ T74] [ 2042.487326][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2042.487326][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2042.487326][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2042.487326][ T74] fib6_nh_init+0xa22/0x1580 [ 2042.487326][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2042.487326][ T74] ip6_route_add+0x1c/0x140 [ 2042.487326][ T74] inet6_rtm_newroute+0x104/0x110 [ 2042.487326][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2042.487326][ T74] netlink_rcv_skb+0x130/0x360 [ 2042.487326][ T74] netlink_unicast+0x449/0x710 [ 2042.487326][ T74] netlink_sendmsg+0x723/0xbe0 [ 2042.487326][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2042.487326][ T74] ___sys_sendmsg+0xee/0x170 [ 2042.487326][ T74] __sys_sendmsg+0xcd/0x170 [ 2042.487326][ T74] do_syscall_64+0xc6/0x1e0 [ 2042.487326][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2042.487326][ T74] [ 2042.489216][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2042.489216][ T74] netdev_get_by_index+0x5e/0x80 [ 2042.489216][ T74] fib6_nh_init+0x3d8/0x1580 [ 2042.489216][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2042.489216][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2042.489216][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2042.489216][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2042.489216][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2042.489216][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2042.489216][ T74] addrconf_dad_begin+0x310/0x670 [ 2042.489216][ T74] addrconf_dad_work+0x10b/0xab0 [ 2042.489216][ T74] process_one_work+0x84d/0x18a0 [ 2042.489216][ T74] worker_thread+0x587/0xd30 [ 2042.489216][ T74] kthread+0x28a/0x350 [ 2042.489216][ T74] ret_from_fork+0x31/0x70 [ 2042.489216][ T74] ret_from_fork_asm+0x1a/0x30 [ 2042.489216][ T74] [ 2042.491248][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2042.491248][ T74] netdev_get_by_index+0x5e/0x80 [ 2042.491248][ T74] fib6_nh_init+0x3d8/0x1580 [ 2042.491248][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2042.491248][ T74] ip6_route_add+0x1c/0x140 [ 2042.491248][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2042.491248][ T74] inet6_addr_add+0x4f8/0xa40 [ 2042.491248][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2042.491248][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2042.491248][ T74] netlink_rcv_skb+0x130/0x360 [ 2042.491248][ T74] netlink_unicast+0x449/0x710 [ 2042.491248][ T74] netlink_sendmsg+0x723/0xbe0 [ 2042.491248][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2042.491248][ T74] ___sys_sendmsg+0xee/0x170 [ 2042.491248][ T74] __sys_sendmsg+0xcd/0x170 [ 2042.491248][ T74] do_syscall_64+0xc6/0x1e0 [ 2042.491248][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2042.491248][ T74] [ 2042.493320][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2042.493320][ T74] netdev_get_by_index+0x5e/0x80 [ 2042.493320][ T74] fib6_nh_init+0x3d8/0x1580 [ 2042.493320][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2042.493320][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2042.493320][ T74] ipv6_add_addr+0x411/0x2000 [ 2042.493320][ T74] inet6_addr_add+0x30e/0xa40 [ 2042.493320][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2042.493320][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2042.493320][ T74] netlink_rcv_skb+0x130/0x360 [ 2042.493320][ T74] netlink_unicast+0x449/0x710 [ 2042.493320][ T74] netlink_sendmsg+0x723/0xbe0 [ 2042.493320][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2042.493320][ T74] ___sys_sendmsg+0xee/0x170 [ 2042.493320][ T74] __sys_sendmsg+0xcd/0x170 [ 2042.493320][ T74] do_syscall_64+0xc6/0x1e0 [ 2042.493320][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2042.493320][ T74] [ 2042.495324][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2042.495324][ T74] netdev_get_by_index+0x5e/0x80 [ 2042.495324][ T74] fib6_nh_init+0x3d8/0x1580 [ 2042.495324][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2042.495324][ T74] ip6_route_add+0x1c/0x140 [ 2042.495324][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2042.495324][ T74] addrconf_add_dev+0xe2/0x170 [ 2042.495324][ T74] inet6_addr_add+0x12f/0xa40 [ 2042.495324][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2042.495324][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2042.495324][ T74] netlink_rcv_skb+0x130/0x360 [ 2042.495324][ T74] netlink_unicast+0x449/0x710 [ 2042.495324][ T74] netlink_sendmsg+0x723/0xbe0 [ 2042.495324][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2042.495324][ T74] ___sys_sendmsg+0xee/0x170 [ 2042.495324][ T74] __sys_sendmsg+0xcd/0x170 [ 2042.495324][ T74] do_syscall_64+0xc6/0x1e0 [ 2042.495324][ T74] [ 2042.497281][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2042.497281][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2042.497281][ T74] ipv6_find_idev+0x102/0x170 [ 2042.497281][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2042.497281][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2042.497281][ T74] netlink_rcv_skb+0x130/0x360 [ 2042.497281][ T74] netlink_unicast+0x449/0x710 [ 2042.497281][ T74] netlink_sendmsg+0x723/0xbe0 [ 2042.497281][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2042.497281][ T74] ___sys_sendmsg+0xee/0x170 [ 2042.497281][ T74] __sys_sendmsg+0xcd/0x170 [ 2042.497281][ T74] do_syscall_64+0xc6/0x1e0 [ 2042.497281][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2042.497281][ T74] [ 2042.498943][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2042.498943][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2042.498943][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2042.498943][ T74] ipv6_find_idev+0x102/0x170 [ 2042.498943][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2042.498943][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2042.498943][ T74] netlink_rcv_skb+0x130/0x360 [ 2042.498943][ T74] netlink_unicast+0x449/0x710 [ 2042.498943][ T74] netlink_sendmsg+0x723/0xbe0 [ 2042.498943][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2042.498943][ T74] ___sys_sendmsg+0xee/0x170 [ 2042.498943][ T74] __sys_sendmsg+0xcd/0x170 [ 2042.498943][ T74] do_syscall_64+0xc6/0x1e0 [ 2042.498943][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2042.498943][ T74] [ 2042.500812][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2042.501127][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2042.501127][ T74] netdev_get_by_index+0x5e/0x80 [ 2042.501127][ T74] fib6_nh_init+0x3d8/0x1580 [ 2042.501127][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2042.501127][ T74] ip6_route_add+0x1c/0x140 [ 2042.501127][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2042.501127][ T74] inet6_addr_add+0x4f8/0xa40 [ 2042.501127][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2042.501127][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2042.501127][ T74] netlink_rcv_skb+0x130/0x360 [ 2042.501127][ T74] netlink_unicast+0x449/0x710 [ 2042.501127][ T74] netlink_sendmsg+0x723/0xbe0 [ 2042.501127][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2042.501127][ T74] ___sys_sendmsg+0xee/0x170 [ 2042.501127][ T74] __sys_sendmsg+0xcd/0x170 [ 2042.501127][ T74] do_syscall_64+0xc6/0x1e0 [ 2042.501127][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2042.501127][ T74] [ 2042.503334][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2042.503334][ T74] netdev_get_by_index+0x5e/0x80 [ 2042.503334][ T74] fib6_nh_init+0x3d8/0x1580 [ 2042.503334][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2042.503334][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2042.503334][ T74] ipv6_add_addr+0x411/0x2000 [ 2042.503334][ T74] inet6_addr_add+0x30e/0xa40 [ 2042.503334][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2042.503334][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2042.503334][ T74] netlink_rcv_skb+0x130/0x360 [ 2042.503334][ T74] netlink_unicast+0x449/0x710 [ 2042.503334][ T74] netlink_sendmsg+0x723/0xbe0 [ 2042.503334][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2042.503334][ T74] ___sys_sendmsg+0xee/0x170 [ 2042.503334][ T74] __sys_sendmsg+0xcd/0x170 [ 2042.503334][ T74] do_syscall_64+0xc6/0x1e0 [ 2042.503334][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2042.503334][ T74] [ 2042.505584][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2042.505584][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2042.505584][ T74] ipv6_find_idev+0x102/0x170 [ 2042.505584][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2042.505584][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2042.505584][ T74] netlink_rcv_skb+0x130/0x360 [ 2042.505584][ T74] netlink_unicast+0x449/0x710 [ 2042.505584][ T74] netlink_sendmsg+0x723/0xbe0 [ 2042.505584][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2042.505584][ T74] ___sys_sendmsg+0xee/0x170 [ 2042.505584][ T74] __sys_sendmsg+0xcd/0x170 [ 2042.505584][ T74] do_syscall_64+0xc6/0x1e0 [ 2042.505584][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2042.505584][ T74] [ 2042.507364][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2042.507364][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2042.507364][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2042.507364][ T74] ipv6_find_idev+0x102/0x170 [ 2042.507364][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2042.507364][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2042.507364][ T74] netlink_rcv_skb+0x130/0x360 [ 2042.507364][ T74] netlink_unicast+0x449/0x710 [ 2042.507364][ T74] netlink_sendmsg+0x723/0xbe0 [ 2042.507364][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2042.507364][ T74] ___sys_sendmsg+0xee/0x170 [ 2042.507364][ T74] __sys_sendmsg+0xcd/0x170 [ 2042.507364][ T74] do_syscall_64+0xc6/0x1e0 [ 2042.507364][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2042.507364][ T74] [ 2052.751964][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2052.752401][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2052.752401][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2052.752401][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2052.752401][ T74] fib6_nh_init+0xa22/0x1580 [ 2052.752401][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2052.752401][ T74] ip6_route_add+0x1c/0x140 [ 2052.752401][ T74] inet6_rtm_newroute+0x104/0x110 [ 2052.752401][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2052.752401][ T74] netlink_rcv_skb+0x130/0x360 [ 2052.752401][ T74] netlink_unicast+0x449/0x710 [ 2052.752401][ T74] netlink_sendmsg+0x723/0xbe0 [ 2052.752401][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2052.752401][ T74] ___sys_sendmsg+0xee/0x170 [ 2052.752401][ T74] __sys_sendmsg+0xcd/0x170 [ 2052.752401][ T74] do_syscall_64+0xc6/0x1e0 [ 2052.752401][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2052.752401][ T74] [ 2052.754725][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2052.754725][ T74] netdev_get_by_index+0x5e/0x80 [ 2052.754725][ T74] fib6_nh_init+0x3d8/0x1580 [ 2052.754725][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2052.754725][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2052.754725][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2052.754725][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2052.754725][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2052.754725][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2052.754725][ T74] addrconf_dad_begin+0x310/0x670 [ 2052.754725][ T74] addrconf_dad_work+0x10b/0xab0 [ 2052.754725][ T74] process_one_work+0x84d/0x18a0 [ 2052.754725][ T74] worker_thread+0x587/0xd30 [ 2052.754725][ T74] kthread+0x28a/0x350 [ 2052.754725][ T74] ret_from_fork+0x31/0x70 [ 2052.754725][ T74] ret_from_fork_asm+0x1a/0x30 [ 2052.754725][ T74] [ 2052.757054][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2052.757054][ T74] netdev_get_by_index+0x5e/0x80 [ 2052.757054][ T74] fib6_nh_init+0x3d8/0x1580 [ 2052.757054][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2052.757054][ T74] ip6_route_add+0x1c/0x140 [ 2052.757054][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2052.757054][ T74] inet6_addr_add+0x4f8/0xa40 [ 2052.757054][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2052.757054][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2052.757054][ T74] netlink_rcv_skb+0x130/0x360 [ 2052.757054][ T74] netlink_unicast+0x449/0x710 [ 2052.757054][ T74] netlink_sendmsg+0x723/0xbe0 [ 2052.757054][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2052.757054][ T74] ___sys_sendmsg+0xee/0x170 [ 2052.757054][ T74] __sys_sendmsg+0xcd/0x170 [ 2052.757054][ T74] do_syscall_64+0xc6/0x1e0 [ 2052.757054][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2052.757054][ T74] [ 2052.759506][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2052.759506][ T74] netdev_get_by_index+0x5e/0x80 [ 2052.759506][ T74] fib6_nh_init+0x3d8/0x1580 [ 2052.759506][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2052.759506][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2052.759506][ T74] ipv6_add_addr+0x411/0x2000 [ 2052.759506][ T74] inet6_addr_add+0x30e/0xa40 [ 2052.759506][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2052.759506][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2052.759506][ T74] netlink_rcv_skb+0x130/0x360 [ 2052.759506][ T74] netlink_unicast+0x449/0x710 [ 2052.759506][ T74] netlink_sendmsg+0x723/0xbe0 [ 2052.759506][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2052.759506][ T74] ___sys_sendmsg+0xee/0x170 [ 2052.759506][ T74] __sys_sendmsg+0xcd/0x170 [ 2052.759506][ T74] do_syscall_64+0xc6/0x1e0 [ 2052.759506][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2052.759506][ T74] [ 2052.761941][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2052.761941][ T74] netdev_get_by_index+0x5e/0x80 [ 2052.761941][ T74] fib6_nh_init+0x3d8/0x1580 [ 2052.761941][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2052.761941][ T74] ip6_route_add+0x1c/0x140 [ 2052.761941][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2052.761941][ T74] addrconf_add_dev+0xe2/0x170 [ 2052.761941][ T74] inet6_addr_add+0x12f/0xa40 [ 2052.761941][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2052.761941][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2052.761941][ T74] netlink_rcv_skb+0x130/0x360 [ 2052.761941][ T74] netlink_unicast+0x449/0x710 [ 2052.761941][ T74] netlink_sendmsg+0x723/0xbe0 [ 2052.761941][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2052.761941][ T74] ___sys_sendmsg+0xee/0x170 [ 2052.761941][ T74] __sys_sendmsg+0xcd/0x170 [ 2052.761941][ T74] do_syscall_64+0xc6/0x1e0 [ 2052.761941][ T74] [ 2052.764636][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2052.764636][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2052.764636][ T74] ipv6_find_idev+0x102/0x170 [ 2052.764636][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2052.764636][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2052.764636][ T74] netlink_rcv_skb+0x130/0x360 [ 2052.764636][ T74] netlink_unicast+0x449/0x710 [ 2052.764636][ T74] netlink_sendmsg+0x723/0xbe0 [ 2052.764636][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2052.764636][ T74] ___sys_sendmsg+0xee/0x170 [ 2052.764636][ T74] __sys_sendmsg+0xcd/0x170 [ 2052.764636][ T74] do_syscall_64+0xc6/0x1e0 [ 2052.764636][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2052.764636][ T74] [ 2052.766511][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2052.766511][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2052.766511][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2052.766511][ T74] ipv6_find_idev+0x102/0x170 [ 2052.766511][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2052.766511][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2052.766511][ T74] netlink_rcv_skb+0x130/0x360 [ 2052.766511][ T74] netlink_unicast+0x449/0x710 [ 2052.766511][ T74] netlink_sendmsg+0x723/0xbe0 [ 2052.766511][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2052.766511][ T74] ___sys_sendmsg+0xee/0x170 [ 2052.766511][ T74] __sys_sendmsg+0xcd/0x170 [ 2052.766511][ T74] do_syscall_64+0xc6/0x1e0 [ 2052.766511][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2052.766511][ T74] [ 2052.768570][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2052.768923][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2052.768923][ T74] dst_init+0x84/0x4a0 [ 2052.768923][ T74] dst_alloc+0x97/0x150 [ 2052.768923][ T74] ip6_dst_alloc+0x23/0x90 [ 2052.768923][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2052.768923][ T74] ip6_pol_route+0x56f/0x840 [ 2052.768923][ T74] fib6_rule_lookup+0x456/0x630 [ 2052.768923][ T74] ip6_route_input+0x59c/0xa50 [ 2052.768923][ T74] ipv6_rcv+0x397/0x810 [ 2052.768923][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2052.768923][ T74] process_backlog+0x101/0x620 [ 2052.768923][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2052.768923][ T74] net_rx_action+0x495/0xbe0 [ 2052.768923][ T74] __do_softirq+0x1b5/0x7f6 [ 2052.768923][ T74] [ 2052.770927][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2052.770927][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2052.770927][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2052.770927][ T74] fib6_nh_init+0xa22/0x1580 [ 2052.770927][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2052.770927][ T74] ip6_route_add+0x1c/0x140 [ 2052.770927][ T74] inet6_rtm_newroute+0x104/0x110 [ 2052.770927][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2052.770927][ T74] netlink_rcv_skb+0x130/0x360 [ 2052.770927][ T74] netlink_unicast+0x449/0x710 [ 2052.770927][ T74] netlink_sendmsg+0x723/0xbe0 [ 2052.770927][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2052.770927][ T74] ___sys_sendmsg+0xee/0x170 [ 2052.770927][ T74] __sys_sendmsg+0xcd/0x170 [ 2052.770927][ T74] do_syscall_64+0xc6/0x1e0 [ 2052.770927][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2052.770927][ T74] [ 2052.773221][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2052.773221][ T74] netdev_get_by_index+0x5e/0x80 [ 2052.773221][ T74] fib6_nh_init+0x3d8/0x1580 [ 2052.773221][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2052.773221][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2052.773221][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2052.773221][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2052.773221][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2052.773221][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2052.773221][ T74] addrconf_dad_begin+0x310/0x670 [ 2052.773221][ T74] addrconf_dad_work+0x10b/0xab0 [ 2052.773221][ T74] process_one_work+0x84d/0x18a0 [ 2052.773221][ T74] worker_thread+0x587/0xd30 [ 2052.773221][ T74] kthread+0x28a/0x350 [ 2052.773221][ T74] ret_from_fork+0x31/0x70 [ 2052.773221][ T74] ret_from_fork_asm+0x1a/0x30 [ 2052.773221][ T74] [ 2052.775542][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2052.775542][ T74] netdev_get_by_index+0x5e/0x80 [ 2052.775542][ T74] fib6_nh_init+0x3d8/0x1580 [ 2052.775542][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2052.775542][ T74] ip6_route_add+0x1c/0x140 [ 2052.775542][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2052.775542][ T74] inet6_addr_add+0x4f8/0xa40 [ 2052.775542][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2052.775542][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2052.775542][ T74] netlink_rcv_skb+0x130/0x360 [ 2052.775542][ T74] netlink_unicast+0x449/0x710 [ 2052.775542][ T74] netlink_sendmsg+0x723/0xbe0 [ 2052.775542][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2052.775542][ T74] ___sys_sendmsg+0xee/0x170 [ 2052.775542][ T74] __sys_sendmsg+0xcd/0x170 [ 2052.775542][ T74] do_syscall_64+0xc6/0x1e0 [ 2052.775542][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2052.775542][ T74] [ 2052.777974][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2052.777974][ T74] netdev_get_by_index+0x5e/0x80 [ 2052.777974][ T74] fib6_nh_init+0x3d8/0x1580 [ 2052.777974][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2052.777974][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2052.777974][ T74] ipv6_add_addr+0x411/0x2000 [ 2052.777974][ T74] inet6_addr_add+0x30e/0xa40 [ 2052.777974][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2052.777974][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2052.777974][ T74] netlink_rcv_skb+0x130/0x360 [ 2052.777974][ T74] netlink_unicast+0x449/0x710 [ 2052.777974][ T74] netlink_sendmsg+0x723/0xbe0 [ 2052.777974][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2052.777974][ T74] ___sys_sendmsg+0xee/0x170 [ 2052.777974][ T74] __sys_sendmsg+0xcd/0x170 [ 2052.777974][ T74] do_syscall_64+0xc6/0x1e0 [ 2052.777974][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2052.777974][ T74] [ 2052.780417][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2052.780417][ T74] netdev_get_by_index+0x5e/0x80 [ 2052.780417][ T74] fib6_nh_init+0x3d8/0x1580 [ 2052.780417][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2052.780417][ T74] ip6_route_add+0x1c/0x140 [ 2052.780417][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2052.780417][ T74] addrconf_add_dev+0xe2/0x170 [ 2052.780417][ T74] inet6_addr_add+0x12f/0xa40 [ 2052.780417][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2052.780417][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2052.780417][ T74] netlink_rcv_skb+0x130/0x360 [ 2052.780417][ T74] netlink_unicast+0x449/0x710 [ 2052.780417][ T74] netlink_sendmsg+0x723/0xbe0 [ 2052.780417][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2052.780417][ T74] ___sys_sendmsg+0xee/0x170 [ 2052.780417][ T74] __sys_sendmsg+0xcd/0x170 [ 2052.780417][ T74] do_syscall_64+0xc6/0x1e0 [ 2052.780417][ T74] [ 2052.782804][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2052.782804][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2052.782804][ T74] ipv6_find_idev+0x102/0x170 [ 2052.782804][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2052.782804][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2052.782804][ T74] netlink_rcv_skb+0x130/0x360 [ 2052.782804][ T74] netlink_unicast+0x449/0x710 [ 2052.782804][ T74] netlink_sendmsg+0x723/0xbe0 [ 2052.782804][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2052.782804][ T74] ___sys_sendmsg+0xee/0x170 [ 2052.782804][ T74] __sys_sendmsg+0xcd/0x170 [ 2052.782804][ T74] do_syscall_64+0xc6/0x1e0 [ 2052.782804][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2052.782804][ T74] [ 2052.784737][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2052.784737][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2052.784737][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2052.784737][ T74] ipv6_find_idev+0x102/0x170 [ 2052.784737][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2052.784737][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2052.784737][ T74] netlink_rcv_skb+0x130/0x360 [ 2052.784737][ T74] netlink_unicast+0x449/0x710 [ 2052.784737][ T74] netlink_sendmsg+0x723/0xbe0 [ 2052.784737][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2052.784737][ T74] ___sys_sendmsg+0xee/0x170 [ 2052.784737][ T74] __sys_sendmsg+0xcd/0x170 [ 2052.784737][ T74] do_syscall_64+0xc6/0x1e0 [ 2052.784737][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2052.784737][ T74] [ 2052.787040][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2052.787385][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2052.787385][ T74] netdev_get_by_index+0x5e/0x80 [ 2052.787385][ T74] fib6_nh_init+0x3d8/0x1580 [ 2052.787385][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2052.787385][ T74] ip6_route_add+0x1c/0x140 [ 2052.787385][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2052.787385][ T74] inet6_addr_add+0x4f8/0xa40 [ 2052.787385][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2052.787385][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2052.787385][ T74] netlink_rcv_skb+0x130/0x360 [ 2052.787385][ T74] netlink_unicast+0x449/0x710 [ 2052.787385][ T74] netlink_sendmsg+0x723/0xbe0 [ 2052.787385][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2052.787385][ T74] ___sys_sendmsg+0xee/0x170 [ 2052.787385][ T74] __sys_sendmsg+0xcd/0x170 [ 2052.787385][ T74] do_syscall_64+0xc6/0x1e0 [ 2052.787385][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2052.787385][ T74] [ 2052.790034][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2052.790034][ T74] netdev_get_by_index+0x5e/0x80 [ 2052.790034][ T74] fib6_nh_init+0x3d8/0x1580 [ 2052.790034][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2052.790034][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2052.790034][ T74] ipv6_add_addr+0x411/0x2000 [ 2052.790034][ T74] inet6_addr_add+0x30e/0xa40 [ 2052.790034][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2052.790034][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2052.790034][ T74] netlink_rcv_skb+0x130/0x360 [ 2052.790034][ T74] netlink_unicast+0x449/0x710 [ 2052.790034][ T74] netlink_sendmsg+0x723/0xbe0 [ 2052.790034][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2052.790034][ T74] ___sys_sendmsg+0xee/0x170 [ 2052.790034][ T74] __sys_sendmsg+0xcd/0x170 [ 2052.790034][ T74] do_syscall_64+0xc6/0x1e0 [ 2052.790034][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2052.790034][ T74] [ 2052.792725][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2052.792725][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2052.792725][ T74] ipv6_find_idev+0x102/0x170 [ 2052.792725][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2052.792725][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2052.792725][ T74] netlink_rcv_skb+0x130/0x360 [ 2052.792725][ T74] netlink_unicast+0x449/0x710 [ 2052.792725][ T74] netlink_sendmsg+0x723/0xbe0 [ 2052.792725][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2052.792725][ T74] ___sys_sendmsg+0xee/0x170 [ 2052.792725][ T74] __sys_sendmsg+0xcd/0x170 [ 2052.792725][ T74] do_syscall_64+0xc6/0x1e0 [ 2052.792725][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2052.792725][ T74] [ 2052.794804][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2052.794804][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2052.794804][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2052.794804][ T74] ipv6_find_idev+0x102/0x170 [ 2052.794804][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2052.794804][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2052.794804][ T74] netlink_rcv_skb+0x130/0x360 [ 2052.794804][ T74] netlink_unicast+0x449/0x710 [ 2052.794804][ T74] netlink_sendmsg+0x723/0xbe0 [ 2052.794804][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2052.794804][ T74] ___sys_sendmsg+0xee/0x170 [ 2052.794804][ T74] __sys_sendmsg+0xcd/0x170 [ 2052.794804][ T74] do_syscall_64+0xc6/0x1e0 [ 2052.794804][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2052.794804][ T74] [ 2062.863903][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2062.864365][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2062.864365][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2062.864365][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2062.864365][ T74] fib6_nh_init+0xa22/0x1580 [ 2062.864365][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2062.864365][ T74] ip6_route_add+0x1c/0x140 [ 2062.864365][ T74] inet6_rtm_newroute+0x104/0x110 [ 2062.864365][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2062.864365][ T74] netlink_rcv_skb+0x130/0x360 [ 2062.864365][ T74] netlink_unicast+0x449/0x710 [ 2062.864365][ T74] netlink_sendmsg+0x723/0xbe0 [ 2062.864365][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2062.864365][ T74] ___sys_sendmsg+0xee/0x170 [ 2062.864365][ T74] __sys_sendmsg+0xcd/0x170 [ 2062.864365][ T74] do_syscall_64+0xc6/0x1e0 [ 2062.864365][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2062.864365][ T74] [ 2062.866280][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2062.866280][ T74] netdev_get_by_index+0x5e/0x80 [ 2062.866280][ T74] fib6_nh_init+0x3d8/0x1580 [ 2062.866280][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2062.866280][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2062.866280][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2062.866280][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2062.866280][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2062.866280][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2062.866280][ T74] addrconf_dad_begin+0x310/0x670 [ 2062.866280][ T74] addrconf_dad_work+0x10b/0xab0 [ 2062.866280][ T74] process_one_work+0x84d/0x18a0 [ 2062.866280][ T74] worker_thread+0x587/0xd30 [ 2062.866280][ T74] kthread+0x28a/0x350 [ 2062.866280][ T74] ret_from_fork+0x31/0x70 [ 2062.866280][ T74] ret_from_fork_asm+0x1a/0x30 [ 2062.866280][ T74] [ 2062.868188][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2062.868188][ T74] netdev_get_by_index+0x5e/0x80 [ 2062.868188][ T74] fib6_nh_init+0x3d8/0x1580 [ 2062.868188][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2062.868188][ T74] ip6_route_add+0x1c/0x140 [ 2062.868188][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2062.868188][ T74] inet6_addr_add+0x4f8/0xa40 [ 2062.868188][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2062.868188][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2062.868188][ T74] netlink_rcv_skb+0x130/0x360 [ 2062.868188][ T74] netlink_unicast+0x449/0x710 [ 2062.868188][ T74] netlink_sendmsg+0x723/0xbe0 [ 2062.868188][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2062.868188][ T74] ___sys_sendmsg+0xee/0x170 [ 2062.868188][ T74] __sys_sendmsg+0xcd/0x170 [ 2062.868188][ T74] do_syscall_64+0xc6/0x1e0 [ 2062.868188][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2062.868188][ T74] [ 2062.870196][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2062.870196][ T74] netdev_get_by_index+0x5e/0x80 [ 2062.870196][ T74] fib6_nh_init+0x3d8/0x1580 [ 2062.870196][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2062.870196][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2062.870196][ T74] ipv6_add_addr+0x411/0x2000 [ 2062.870196][ T74] inet6_addr_add+0x30e/0xa40 [ 2062.870196][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2062.870196][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2062.870196][ T74] netlink_rcv_skb+0x130/0x360 [ 2062.870196][ T74] netlink_unicast+0x449/0x710 [ 2062.870196][ T74] netlink_sendmsg+0x723/0xbe0 [ 2062.870196][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2062.870196][ T74] ___sys_sendmsg+0xee/0x170 [ 2062.870196][ T74] __sys_sendmsg+0xcd/0x170 [ 2062.870196][ T74] do_syscall_64+0xc6/0x1e0 [ 2062.870196][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2062.870196][ T74] [ 2062.872213][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2062.872213][ T74] netdev_get_by_index+0x5e/0x80 [ 2062.872213][ T74] fib6_nh_init+0x3d8/0x1580 [ 2062.872213][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2062.872213][ T74] ip6_route_add+0x1c/0x140 [ 2062.872213][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2062.872213][ T74] addrconf_add_dev+0xe2/0x170 [ 2062.872213][ T74] inet6_addr_add+0x12f/0xa40 [ 2062.872213][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2062.872213][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2062.872213][ T74] netlink_rcv_skb+0x130/0x360 [ 2062.872213][ T74] netlink_unicast+0x449/0x710 [ 2062.872213][ T74] netlink_sendmsg+0x723/0xbe0 [ 2062.872213][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2062.872213][ T74] ___sys_sendmsg+0xee/0x170 [ 2062.872213][ T74] __sys_sendmsg+0xcd/0x170 [ 2062.872213][ T74] do_syscall_64+0xc6/0x1e0 [ 2062.872213][ T74] [ 2062.874197][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2062.874197][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2062.874197][ T74] ipv6_find_idev+0x102/0x170 [ 2062.874197][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2062.874197][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2062.874197][ T74] netlink_rcv_skb+0x130/0x360 [ 2062.874197][ T74] netlink_unicast+0x449/0x710 [ 2062.874197][ T74] netlink_sendmsg+0x723/0xbe0 [ 2062.874197][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2062.874197][ T74] ___sys_sendmsg+0xee/0x170 [ 2062.874197][ T74] __sys_sendmsg+0xcd/0x170 [ 2062.874197][ T74] do_syscall_64+0xc6/0x1e0 [ 2062.874197][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2062.874197][ T74] [ 2062.875742][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2062.875742][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2062.875742][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2062.875742][ T74] ipv6_find_idev+0x102/0x170 [ 2062.875742][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2062.875742][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2062.875742][ T74] netlink_rcv_skb+0x130/0x360 [ 2062.875742][ T74] netlink_unicast+0x449/0x710 [ 2062.875742][ T74] netlink_sendmsg+0x723/0xbe0 [ 2062.875742][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2062.875742][ T74] ___sys_sendmsg+0xee/0x170 [ 2062.875742][ T74] __sys_sendmsg+0xcd/0x170 [ 2062.875742][ T74] do_syscall_64+0xc6/0x1e0 [ 2062.875742][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2062.875742][ T74] [ 2062.877450][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2062.877732][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2062.877732][ T74] dst_init+0x84/0x4a0 [ 2062.877732][ T74] dst_alloc+0x97/0x150 [ 2062.877732][ T74] ip6_dst_alloc+0x23/0x90 [ 2062.877732][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2062.877732][ T74] ip6_pol_route+0x56f/0x840 [ 2062.877732][ T74] fib6_rule_lookup+0x456/0x630 [ 2062.877732][ T74] ip6_route_input+0x59c/0xa50 [ 2062.877732][ T74] ipv6_rcv+0x397/0x810 [ 2062.877732][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2062.877732][ T74] process_backlog+0x101/0x620 [ 2062.877732][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2062.877732][ T74] net_rx_action+0x495/0xbe0 [ 2062.877732][ T74] __do_softirq+0x1b5/0x7f6 [ 2062.877732][ T74] [ 2062.879371][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2062.879371][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2062.879371][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2062.879371][ T74] fib6_nh_init+0xa22/0x1580 [ 2062.879371][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2062.879371][ T74] ip6_route_add+0x1c/0x140 [ 2062.879371][ T74] inet6_rtm_newroute+0x104/0x110 [ 2062.879371][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2062.879371][ T74] netlink_rcv_skb+0x130/0x360 [ 2062.879371][ T74] netlink_unicast+0x449/0x710 [ 2062.879371][ T74] netlink_sendmsg+0x723/0xbe0 [ 2062.879371][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2062.879371][ T74] ___sys_sendmsg+0xee/0x170 [ 2062.879371][ T74] __sys_sendmsg+0xcd/0x170 [ 2062.879371][ T74] do_syscall_64+0xc6/0x1e0 [ 2062.879371][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2062.879371][ T74] [ 2062.881245][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2062.881245][ T74] netdev_get_by_index+0x5e/0x80 [ 2062.881245][ T74] fib6_nh_init+0x3d8/0x1580 [ 2062.881245][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2062.881245][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2062.881245][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2062.881245][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2062.881245][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2062.881245][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2062.881245][ T74] addrconf_dad_begin+0x310/0x670 [ 2062.881245][ T74] addrconf_dad_work+0x10b/0xab0 [ 2062.881245][ T74] process_one_work+0x84d/0x18a0 [ 2062.881245][ T74] worker_thread+0x587/0xd30 [ 2062.881245][ T74] kthread+0x28a/0x350 [ 2062.881245][ T74] ret_from_fork+0x31/0x70 [ 2062.881245][ T74] ret_from_fork_asm+0x1a/0x30 [ 2062.881245][ T74] [ 2062.883177][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2062.883177][ T74] netdev_get_by_index+0x5e/0x80 [ 2062.883177][ T74] fib6_nh_init+0x3d8/0x1580 [ 2062.883177][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2062.883177][ T74] ip6_route_add+0x1c/0x140 [ 2062.883177][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2062.883177][ T74] inet6_addr_add+0x4f8/0xa40 [ 2062.883177][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2062.883177][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2062.883177][ T74] netlink_rcv_skb+0x130/0x360 [ 2062.883177][ T74] netlink_unicast+0x449/0x710 [ 2062.883177][ T74] netlink_sendmsg+0x723/0xbe0 [ 2062.883177][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2062.883177][ T74] ___sys_sendmsg+0xee/0x170 [ 2062.883177][ T74] __sys_sendmsg+0xcd/0x170 [ 2062.883177][ T74] do_syscall_64+0xc6/0x1e0 [ 2062.883177][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2062.883177][ T74] [ 2062.885176][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2062.885176][ T74] netdev_get_by_index+0x5e/0x80 [ 2062.885176][ T74] fib6_nh_init+0x3d8/0x1580 [ 2062.885176][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2062.885176][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2062.885176][ T74] ipv6_add_addr+0x411/0x2000 [ 2062.885176][ T74] inet6_addr_add+0x30e/0xa40 [ 2062.885176][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2062.885176][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2062.885176][ T74] netlink_rcv_skb+0x130/0x360 [ 2062.885176][ T74] netlink_unicast+0x449/0x710 [ 2062.885176][ T74] netlink_sendmsg+0x723/0xbe0 [ 2062.885176][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2062.885176][ T74] ___sys_sendmsg+0xee/0x170 [ 2062.885176][ T74] __sys_sendmsg+0xcd/0x170 [ 2062.885176][ T74] do_syscall_64+0xc6/0x1e0 [ 2062.885176][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2062.885176][ T74] [ 2062.887177][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2062.887177][ T74] netdev_get_by_index+0x5e/0x80 [ 2062.887177][ T74] fib6_nh_init+0x3d8/0x1580 [ 2062.887177][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2062.887177][ T74] ip6_route_add+0x1c/0x140 [ 2062.887177][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2062.887177][ T74] addrconf_add_dev+0xe2/0x170 [ 2062.887177][ T74] inet6_addr_add+0x12f/0xa40 [ 2062.887177][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2062.887177][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2062.887177][ T74] netlink_rcv_skb+0x130/0x360 [ 2062.887177][ T74] netlink_unicast+0x449/0x710 [ 2062.887177][ T74] netlink_sendmsg+0x723/0xbe0 [ 2062.887177][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2062.887177][ T74] ___sys_sendmsg+0xee/0x170 [ 2062.887177][ T74] __sys_sendmsg+0xcd/0x170 [ 2062.887177][ T74] do_syscall_64+0xc6/0x1e0 [ 2062.887177][ T74] [ 2062.889144][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2062.889144][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2062.889144][ T74] ipv6_find_idev+0x102/0x170 [ 2062.889144][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2062.889144][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2062.889144][ T74] netlink_rcv_skb+0x130/0x360 [ 2062.889144][ T74] netlink_unicast+0x449/0x710 [ 2062.889144][ T74] netlink_sendmsg+0x723/0xbe0 [ 2062.889144][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2062.889144][ T74] ___sys_sendmsg+0xee/0x170 [ 2062.889144][ T74] __sys_sendmsg+0xcd/0x170 [ 2062.889144][ T74] do_syscall_64+0xc6/0x1e0 [ 2062.889144][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2062.889144][ T74] [ 2062.890802][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2062.890802][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2062.890802][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2062.890802][ T74] ipv6_find_idev+0x102/0x170 [ 2062.890802][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2062.890802][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2062.890802][ T74] netlink_rcv_skb+0x130/0x360 [ 2062.890802][ T74] netlink_unicast+0x449/0x710 [ 2062.890802][ T74] netlink_sendmsg+0x723/0xbe0 [ 2062.890802][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2062.890802][ T74] ___sys_sendmsg+0xee/0x170 [ 2062.890802][ T74] __sys_sendmsg+0xcd/0x170 [ 2062.890802][ T74] do_syscall_64+0xc6/0x1e0 [ 2062.890802][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2062.890802][ T74] [ 2062.892717][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2062.892976][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2062.892976][ T74] netdev_get_by_index+0x5e/0x80 [ 2062.892976][ T74] fib6_nh_init+0x3d8/0x1580 [ 2062.892976][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2062.892976][ T74] ip6_route_add+0x1c/0x140 [ 2062.892976][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2062.892976][ T74] inet6_addr_add+0x4f8/0xa40 [ 2062.892976][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2062.892976][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2062.892976][ T74] netlink_rcv_skb+0x130/0x360 [ 2062.892976][ T74] netlink_unicast+0x449/0x710 [ 2062.892976][ T74] netlink_sendmsg+0x723/0xbe0 [ 2062.892976][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2062.892976][ T74] ___sys_sendmsg+0xee/0x170 [ 2062.892976][ T74] __sys_sendmsg+0xcd/0x170 [ 2062.892976][ T74] do_syscall_64+0xc6/0x1e0 [ 2062.892976][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2062.892976][ T74] [ 2062.895219][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2062.895219][ T74] netdev_get_by_index+0x5e/0x80 [ 2062.895219][ T74] fib6_nh_init+0x3d8/0x1580 [ 2062.895219][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2062.895219][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2062.895219][ T74] ipv6_add_addr+0x411/0x2000 [ 2062.895219][ T74] inet6_addr_add+0x30e/0xa40 [ 2062.895219][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2062.895219][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2062.895219][ T74] netlink_rcv_skb+0x130/0x360 [ 2062.895219][ T74] netlink_unicast+0x449/0x710 [ 2062.895219][ T74] netlink_sendmsg+0x723/0xbe0 [ 2062.895219][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2062.895219][ T74] ___sys_sendmsg+0xee/0x170 [ 2062.895219][ T74] __sys_sendmsg+0xcd/0x170 [ 2062.895219][ T74] do_syscall_64+0xc6/0x1e0 [ 2062.895219][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2062.895219][ T74] [ 2062.897517][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2062.897517][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2062.897517][ T74] ipv6_find_idev+0x102/0x170 [ 2062.897517][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2062.897517][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2062.897517][ T74] netlink_rcv_skb+0x130/0x360 [ 2062.897517][ T74] netlink_unicast+0x449/0x710 [ 2062.897517][ T74] netlink_sendmsg+0x723/0xbe0 [ 2062.897517][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2062.897517][ T74] ___sys_sendmsg+0xee/0x170 [ 2062.897517][ T74] __sys_sendmsg+0xcd/0x170 [ 2062.897517][ T74] do_syscall_64+0xc6/0x1e0 [ 2062.897517][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2062.897517][ T74] [ 2062.899202][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2062.899202][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2062.899202][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2062.899202][ T74] ipv6_find_idev+0x102/0x170 [ 2062.899202][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2062.899202][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2062.899202][ T74] netlink_rcv_skb+0x130/0x360 [ 2062.899202][ T74] netlink_unicast+0x449/0x710 [ 2062.899202][ T74] netlink_sendmsg+0x723/0xbe0 [ 2062.899202][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2062.899202][ T74] ___sys_sendmsg+0xee/0x170 [ 2062.899202][ T74] __sys_sendmsg+0xcd/0x170 [ 2062.899202][ T74] do_syscall_64+0xc6/0x1e0 [ 2062.899202][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2062.899202][ T74] [ 2072.960028][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2072.960754][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2072.960754][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2072.960754][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2072.960754][ T74] fib6_nh_init+0xa22/0x1580 [ 2072.960754][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2072.960754][ T74] ip6_route_add+0x1c/0x140 [ 2072.960754][ T74] inet6_rtm_newroute+0x104/0x110 [ 2072.960754][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2072.960754][ T74] netlink_rcv_skb+0x130/0x360 [ 2072.960754][ T74] netlink_unicast+0x449/0x710 [ 2072.960754][ T74] netlink_sendmsg+0x723/0xbe0 [ 2072.960754][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2072.960754][ T74] ___sys_sendmsg+0xee/0x170 [ 2072.960754][ T74] __sys_sendmsg+0xcd/0x170 [ 2072.960754][ T74] do_syscall_64+0xc6/0x1e0 [ 2072.960754][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2072.960754][ T74] [ 2072.964195][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2072.964195][ T74] netdev_get_by_index+0x5e/0x80 [ 2072.964195][ T74] fib6_nh_init+0x3d8/0x1580 [ 2072.964195][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2072.964195][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2072.964195][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2072.964195][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2072.964195][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2072.964195][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2072.964195][ T74] addrconf_dad_begin+0x310/0x670 [ 2072.964195][ T74] addrconf_dad_work+0x10b/0xab0 [ 2072.964195][ T74] process_one_work+0x84d/0x18a0 [ 2072.964195][ T74] worker_thread+0x587/0xd30 [ 2072.964195][ T74] kthread+0x28a/0x350 [ 2072.964195][ T74] ret_from_fork+0x31/0x70 [ 2072.964195][ T74] ret_from_fork_asm+0x1a/0x30 [ 2072.964195][ T74] [ 2072.968703][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2072.968703][ T74] netdev_get_by_index+0x5e/0x80 [ 2072.968703][ T74] fib6_nh_init+0x3d8/0x1580 [ 2072.968703][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2072.968703][ T74] ip6_route_add+0x1c/0x140 [ 2072.968703][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2072.968703][ T74] inet6_addr_add+0x4f8/0xa40 [ 2072.968703][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2072.968703][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2072.968703][ T74] netlink_rcv_skb+0x130/0x360 [ 2072.968703][ T74] netlink_unicast+0x449/0x710 [ 2072.968703][ T74] netlink_sendmsg+0x723/0xbe0 [ 2072.968703][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2072.968703][ T74] ___sys_sendmsg+0xee/0x170 [ 2072.968703][ T74] __sys_sendmsg+0xcd/0x170 [ 2072.968703][ T74] do_syscall_64+0xc6/0x1e0 [ 2072.968703][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2072.968703][ T74] [ 2072.973847][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2072.973847][ T74] netdev_get_by_index+0x5e/0x80 [ 2072.973847][ T74] fib6_nh_init+0x3d8/0x1580 [ 2072.973847][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2072.973847][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2072.973847][ T74] ipv6_add_addr+0x411/0x2000 [ 2072.973847][ T74] inet6_addr_add+0x30e/0xa40 [ 2072.973847][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2072.973847][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2072.973847][ T74] netlink_rcv_skb+0x130/0x360 [ 2072.973847][ T74] netlink_unicast+0x449/0x710 [ 2072.973847][ T74] netlink_sendmsg+0x723/0xbe0 [ 2072.973847][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2072.973847][ T74] ___sys_sendmsg+0xee/0x170 [ 2072.973847][ T74] __sys_sendmsg+0xcd/0x170 [ 2072.973847][ T74] do_syscall_64+0xc6/0x1e0 [ 2072.973847][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2072.973847][ T74] [ 2072.977867][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2072.977867][ T74] netdev_get_by_index+0x5e/0x80 [ 2072.977867][ T74] fib6_nh_init+0x3d8/0x1580 [ 2072.977867][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2072.977867][ T74] ip6_route_add+0x1c/0x140 [ 2072.977867][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2072.977867][ T74] addrconf_add_dev+0xe2/0x170 [ 2072.977867][ T74] inet6_addr_add+0x12f/0xa40 [ 2072.977867][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2072.977867][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2072.977867][ T74] netlink_rcv_skb+0x130/0x360 [ 2072.977867][ T74] netlink_unicast+0x449/0x710 [ 2072.977867][ T74] netlink_sendmsg+0x723/0xbe0 [ 2072.977867][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2072.977867][ T74] ___sys_sendmsg+0xee/0x170 [ 2072.977867][ T74] __sys_sendmsg+0xcd/0x170 [ 2072.977867][ T74] do_syscall_64+0xc6/0x1e0 [ 2072.977867][ T74] [ 2072.981552][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2072.981552][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2072.981552][ T74] ipv6_find_idev+0x102/0x170 [ 2072.981552][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2072.981552][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2072.981552][ T74] netlink_rcv_skb+0x130/0x360 [ 2072.981552][ T74] netlink_unicast+0x449/0x710 [ 2072.981552][ T74] netlink_sendmsg+0x723/0xbe0 [ 2072.981552][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2072.981552][ T74] ___sys_sendmsg+0xee/0x170 [ 2072.981552][ T74] __sys_sendmsg+0xcd/0x170 [ 2072.981552][ T74] do_syscall_64+0xc6/0x1e0 [ 2072.981552][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2072.981552][ T74] [ 2072.984718][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2072.984718][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2072.984718][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2072.984718][ T74] ipv6_find_idev+0x102/0x170 [ 2072.984718][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2072.984718][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2072.984718][ T74] netlink_rcv_skb+0x130/0x360 [ 2072.984718][ T74] netlink_unicast+0x449/0x710 [ 2072.984718][ T74] netlink_sendmsg+0x723/0xbe0 [ 2072.984718][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2072.984718][ T74] ___sys_sendmsg+0xee/0x170 [ 2072.984718][ T74] __sys_sendmsg+0xcd/0x170 [ 2072.984718][ T74] do_syscall_64+0xc6/0x1e0 [ 2072.984718][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2072.984718][ T74] [ 2072.987984][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2072.988482][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2072.988482][ T74] dst_init+0x84/0x4a0 [ 2072.988482][ T74] dst_alloc+0x97/0x150 [ 2072.988482][ T74] ip6_dst_alloc+0x23/0x90 [ 2072.988482][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2072.988482][ T74] ip6_pol_route+0x56f/0x840 [ 2072.988482][ T74] fib6_rule_lookup+0x456/0x630 [ 2072.988482][ T74] ip6_route_input+0x59c/0xa50 [ 2072.988482][ T74] ipv6_rcv+0x397/0x810 [ 2072.988482][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2072.988482][ T74] process_backlog+0x101/0x620 [ 2072.988482][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2072.988482][ T74] net_rx_action+0x495/0xbe0 [ 2072.988482][ T74] __do_softirq+0x1b5/0x7f6 [ 2072.988482][ T74] [ 2072.991919][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2072.991919][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2072.991919][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2072.991919][ T74] fib6_nh_init+0xa22/0x1580 [ 2072.991919][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2072.991919][ T74] ip6_route_add+0x1c/0x140 [ 2072.991919][ T74] inet6_rtm_newroute+0x104/0x110 [ 2072.991919][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2072.991919][ T74] netlink_rcv_skb+0x130/0x360 [ 2072.991919][ T74] netlink_unicast+0x449/0x710 [ 2072.991919][ T74] netlink_sendmsg+0x723/0xbe0 [ 2072.991919][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2072.991919][ T74] ___sys_sendmsg+0xee/0x170 [ 2072.991919][ T74] __sys_sendmsg+0xcd/0x170 [ 2072.991919][ T74] do_syscall_64+0xc6/0x1e0 [ 2072.991919][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2072.991919][ T74] [ 2072.995847][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2072.995847][ T74] netdev_get_by_index+0x5e/0x80 [ 2072.995847][ T74] fib6_nh_init+0x3d8/0x1580 [ 2072.995847][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2072.995847][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2072.995847][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2072.995847][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2072.995847][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2072.995847][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2072.995847][ T74] addrconf_dad_begin+0x310/0x670 [ 2072.995847][ T74] addrconf_dad_work+0x10b/0xab0 [ 2072.995847][ T74] process_one_work+0x84d/0x18a0 [ 2072.995847][ T74] worker_thread+0x587/0xd30 [ 2072.995847][ T74] kthread+0x28a/0x350 [ 2072.995847][ T74] ret_from_fork+0x31/0x70 [ 2072.995847][ T74] ret_from_fork_asm+0x1a/0x30 [ 2072.995847][ T74] [ 2072.999960][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2072.999960][ T74] netdev_get_by_index+0x5e/0x80 [ 2072.999960][ T74] fib6_nh_init+0x3d8/0x1580 [ 2072.999960][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2072.999960][ T74] ip6_route_add+0x1c/0x140 [ 2072.999960][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2072.999960][ T74] inet6_addr_add+0x4f8/0xa40 [ 2072.999960][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2072.999960][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2072.999960][ T74] netlink_rcv_skb+0x130/0x360 [ 2072.999960][ T74] netlink_unicast+0x449/0x710 [ 2072.999960][ T74] netlink_sendmsg+0x723/0xbe0 [ 2072.999960][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2072.999960][ T74] ___sys_sendmsg+0xee/0x170 [ 2072.999960][ T74] __sys_sendmsg+0xcd/0x170 [ 2072.999960][ T74] do_syscall_64+0xc6/0x1e0 [ 2072.999960][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2072.999960][ T74] [ 2073.003995][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2073.003995][ T74] netdev_get_by_index+0x5e/0x80 [ 2073.003995][ T74] fib6_nh_init+0x3d8/0x1580 [ 2073.003995][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2073.003995][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2073.003995][ T74] ipv6_add_addr+0x411/0x2000 [ 2073.003995][ T74] inet6_addr_add+0x30e/0xa40 [ 2073.003995][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2073.003995][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2073.003995][ T74] netlink_rcv_skb+0x130/0x360 [ 2073.003995][ T74] netlink_unicast+0x449/0x710 [ 2073.003995][ T74] netlink_sendmsg+0x723/0xbe0 [ 2073.003995][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2073.003995][ T74] ___sys_sendmsg+0xee/0x170 [ 2073.003995][ T74] __sys_sendmsg+0xcd/0x170 [ 2073.003995][ T74] do_syscall_64+0xc6/0x1e0 [ 2073.003995][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2073.003995][ T74] [ 2073.007765][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2073.007765][ T74] netdev_get_by_index+0x5e/0x80 [ 2073.007765][ T74] fib6_nh_init+0x3d8/0x1580 [ 2073.007765][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2073.007765][ T74] ip6_route_add+0x1c/0x140 [ 2073.007765][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2073.007765][ T74] addrconf_add_dev+0xe2/0x170 [ 2073.007765][ T74] inet6_addr_add+0x12f/0xa40 [ 2073.007765][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2073.007765][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2073.007765][ T74] netlink_rcv_skb+0x130/0x360 [ 2073.007765][ T74] netlink_unicast+0x449/0x710 [ 2073.007765][ T74] netlink_sendmsg+0x723/0xbe0 [ 2073.007765][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2073.007765][ T74] ___sys_sendmsg+0xee/0x170 [ 2073.007765][ T74] __sys_sendmsg+0xcd/0x170 [ 2073.007765][ T74] do_syscall_64+0xc6/0x1e0 [ 2073.007765][ T74] [ 2073.012066][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2073.012066][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2073.012066][ T74] ipv6_find_idev+0x102/0x170 [ 2073.012066][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2073.012066][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2073.012066][ T74] netlink_rcv_skb+0x130/0x360 [ 2073.012066][ T74] netlink_unicast+0x449/0x710 [ 2073.012066][ T74] netlink_sendmsg+0x723/0xbe0 [ 2073.012066][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2073.012066][ T74] ___sys_sendmsg+0xee/0x170 [ 2073.012066][ T74] __sys_sendmsg+0xcd/0x170 [ 2073.012066][ T74] do_syscall_64+0xc6/0x1e0 [ 2073.012066][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2073.012066][ T74] [ 2073.014852][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2073.014852][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2073.014852][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2073.014852][ T74] ipv6_find_idev+0x102/0x170 [ 2073.014852][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2073.014852][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2073.014852][ T74] netlink_rcv_skb+0x130/0x360 [ 2073.014852][ T74] netlink_unicast+0x449/0x710 [ 2073.014852][ T74] netlink_sendmsg+0x723/0xbe0 [ 2073.014852][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2073.014852][ T74] ___sys_sendmsg+0xee/0x170 [ 2073.014852][ T74] __sys_sendmsg+0xcd/0x170 [ 2073.014852][ T74] do_syscall_64+0xc6/0x1e0 [ 2073.014852][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2073.014852][ T74] [ 2073.017234][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2073.017689][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2073.017689][ T74] netdev_get_by_index+0x5e/0x80 [ 2073.017689][ T74] fib6_nh_init+0x3d8/0x1580 [ 2073.017689][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2073.017689][ T74] ip6_route_add+0x1c/0x140 [ 2073.017689][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2073.017689][ T74] inet6_addr_add+0x4f8/0xa40 [ 2073.017689][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2073.017689][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2073.017689][ T74] netlink_rcv_skb+0x130/0x360 [ 2073.017689][ T74] netlink_unicast+0x449/0x710 [ 2073.017689][ T74] netlink_sendmsg+0x723/0xbe0 [ 2073.017689][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2073.017689][ T74] ___sys_sendmsg+0xee/0x170 [ 2073.017689][ T74] __sys_sendmsg+0xcd/0x170 [ 2073.017689][ T74] do_syscall_64+0xc6/0x1e0 [ 2073.017689][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2073.017689][ T74] [ 2073.020433][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2073.020433][ T74] netdev_get_by_index+0x5e/0x80 [ 2073.020433][ T74] fib6_nh_init+0x3d8/0x1580 [ 2073.020433][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2073.020433][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2073.020433][ T74] ipv6_add_addr+0x411/0x2000 [ 2073.020433][ T74] inet6_addr_add+0x30e/0xa40 [ 2073.020433][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2073.020433][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2073.020433][ T74] netlink_rcv_skb+0x130/0x360 [ 2073.020433][ T74] netlink_unicast+0x449/0x710 [ 2073.020433][ T74] netlink_sendmsg+0x723/0xbe0 [ 2073.020433][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2073.020433][ T74] ___sys_sendmsg+0xee/0x170 [ 2073.020433][ T74] __sys_sendmsg+0xcd/0x170 [ 2073.020433][ T74] do_syscall_64+0xc6/0x1e0 [ 2073.020433][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2073.020433][ T74] [ 2073.023428][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2073.023428][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2073.023428][ T74] ipv6_find_idev+0x102/0x170 [ 2073.023428][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2073.023428][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2073.023428][ T74] netlink_rcv_skb+0x130/0x360 [ 2073.023428][ T74] netlink_unicast+0x449/0x710 [ 2073.023428][ T74] netlink_sendmsg+0x723/0xbe0 [ 2073.023428][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2073.023428][ T74] ___sys_sendmsg+0xee/0x170 [ 2073.023428][ T74] __sys_sendmsg+0xcd/0x170 [ 2073.023428][ T74] do_syscall_64+0xc6/0x1e0 [ 2073.023428][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2073.023428][ T74] [ 2073.025613][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2073.025613][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2073.025613][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2073.025613][ T74] ipv6_find_idev+0x102/0x170 [ 2073.025613][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2073.025613][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2073.025613][ T74] netlink_rcv_skb+0x130/0x360 [ 2073.025613][ T74] netlink_unicast+0x449/0x710 [ 2073.025613][ T74] netlink_sendmsg+0x723/0xbe0 [ 2073.025613][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2073.025613][ T74] ___sys_sendmsg+0xee/0x170 [ 2073.025613][ T74] __sys_sendmsg+0xcd/0x170 [ 2073.025613][ T74] do_syscall_64+0xc6/0x1e0 [ 2073.025613][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2073.025613][ T74] [ 2083.263940][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2083.264408][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2083.264408][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2083.264408][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2083.264408][ T74] fib6_nh_init+0xa22/0x1580 [ 2083.264408][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2083.264408][ T74] ip6_route_add+0x1c/0x140 [ 2083.264408][ T74] inet6_rtm_newroute+0x104/0x110 [ 2083.264408][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2083.264408][ T74] netlink_rcv_skb+0x130/0x360 [ 2083.264408][ T74] netlink_unicast+0x449/0x710 [ 2083.264408][ T74] netlink_sendmsg+0x723/0xbe0 [ 2083.264408][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2083.264408][ T74] ___sys_sendmsg+0xee/0x170 [ 2083.264408][ T74] __sys_sendmsg+0xcd/0x170 [ 2083.264408][ T74] do_syscall_64+0xc6/0x1e0 [ 2083.264408][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2083.264408][ T74] [ 2083.266537][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2083.266537][ T74] netdev_get_by_index+0x5e/0x80 [ 2083.266537][ T74] fib6_nh_init+0x3d8/0x1580 [ 2083.266537][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2083.266537][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2083.266537][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2083.266537][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2083.266537][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2083.266537][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2083.266537][ T74] addrconf_dad_begin+0x310/0x670 [ 2083.266537][ T74] addrconf_dad_work+0x10b/0xab0 [ 2083.266537][ T74] process_one_work+0x84d/0x18a0 [ 2083.266537][ T74] worker_thread+0x587/0xd30 [ 2083.266537][ T74] kthread+0x28a/0x350 [ 2083.266537][ T74] ret_from_fork+0x31/0x70 [ 2083.266537][ T74] ret_from_fork_asm+0x1a/0x30 [ 2083.266537][ T74] [ 2083.268662][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2083.268662][ T74] netdev_get_by_index+0x5e/0x80 [ 2083.268662][ T74] fib6_nh_init+0x3d8/0x1580 [ 2083.268662][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2083.268662][ T74] ip6_route_add+0x1c/0x140 [ 2083.268662][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2083.268662][ T74] inet6_addr_add+0x4f8/0xa40 [ 2083.268662][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2083.268662][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2083.268662][ T74] netlink_rcv_skb+0x130/0x360 [ 2083.268662][ T74] netlink_unicast+0x449/0x710 [ 2083.268662][ T74] netlink_sendmsg+0x723/0xbe0 [ 2083.268662][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2083.268662][ T74] ___sys_sendmsg+0xee/0x170 [ 2083.268662][ T74] __sys_sendmsg+0xcd/0x170 [ 2083.268662][ T74] do_syscall_64+0xc6/0x1e0 [ 2083.268662][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2083.268662][ T74] [ 2083.270911][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2083.270911][ T74] netdev_get_by_index+0x5e/0x80 [ 2083.270911][ T74] fib6_nh_init+0x3d8/0x1580 [ 2083.270911][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2083.270911][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2083.270911][ T74] ipv6_add_addr+0x411/0x2000 [ 2083.270911][ T74] inet6_addr_add+0x30e/0xa40 [ 2083.270911][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2083.270911][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2083.270911][ T74] netlink_rcv_skb+0x130/0x360 [ 2083.270911][ T74] netlink_unicast+0x449/0x710 [ 2083.270911][ T74] netlink_sendmsg+0x723/0xbe0 [ 2083.270911][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2083.270911][ T74] ___sys_sendmsg+0xee/0x170 [ 2083.270911][ T74] __sys_sendmsg+0xcd/0x170 [ 2083.270911][ T74] do_syscall_64+0xc6/0x1e0 [ 2083.270911][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2083.270911][ T74] [ 2083.273147][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2083.273147][ T74] netdev_get_by_index+0x5e/0x80 [ 2083.273147][ T74] fib6_nh_init+0x3d8/0x1580 [ 2083.273147][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2083.273147][ T74] ip6_route_add+0x1c/0x140 [ 2083.273147][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2083.273147][ T74] addrconf_add_dev+0xe2/0x170 [ 2083.273147][ T74] inet6_addr_add+0x12f/0xa40 [ 2083.273147][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2083.273147][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2083.273147][ T74] netlink_rcv_skb+0x130/0x360 [ 2083.273147][ T74] netlink_unicast+0x449/0x710 [ 2083.273147][ T74] netlink_sendmsg+0x723/0xbe0 [ 2083.273147][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2083.273147][ T74] ___sys_sendmsg+0xee/0x170 [ 2083.273147][ T74] __sys_sendmsg+0xcd/0x170 [ 2083.273147][ T74] do_syscall_64+0xc6/0x1e0 [ 2083.273147][ T74] [ 2083.275354][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2083.275354][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2083.275354][ T74] ipv6_find_idev+0x102/0x170 [ 2083.275354][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2083.275354][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2083.275354][ T74] netlink_rcv_skb+0x130/0x360 [ 2083.275354][ T74] netlink_unicast+0x449/0x710 [ 2083.275354][ T74] netlink_sendmsg+0x723/0xbe0 [ 2083.275354][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2083.275354][ T74] ___sys_sendmsg+0xee/0x170 [ 2083.275354][ T74] __sys_sendmsg+0xcd/0x170 [ 2083.275354][ T74] do_syscall_64+0xc6/0x1e0 [ 2083.275354][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2083.275354][ T74] [ 2083.277079][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2083.277079][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2083.277079][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2083.277079][ T74] ipv6_find_idev+0x102/0x170 [ 2083.277079][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2083.277079][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2083.277079][ T74] netlink_rcv_skb+0x130/0x360 [ 2083.277079][ T74] netlink_unicast+0x449/0x710 [ 2083.277079][ T74] netlink_sendmsg+0x723/0xbe0 [ 2083.277079][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2083.277079][ T74] ___sys_sendmsg+0xee/0x170 [ 2083.277079][ T74] __sys_sendmsg+0xcd/0x170 [ 2083.277079][ T74] do_syscall_64+0xc6/0x1e0 [ 2083.277079][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2083.277079][ T74] [ 2083.279020][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2083.279664][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2083.279664][ T74] dst_init+0x84/0x4a0 [ 2083.279664][ T74] dst_alloc+0x97/0x150 [ 2083.279664][ T74] ip6_dst_alloc+0x23/0x90 [ 2083.279664][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2083.279664][ T74] ip6_pol_route+0x56f/0x840 [ 2083.279664][ T74] fib6_rule_lookup+0x456/0x630 [ 2083.279664][ T74] ip6_route_input+0x59c/0xa50 [ 2083.279664][ T74] ipv6_rcv+0x397/0x810 [ 2083.279664][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2083.279664][ T74] process_backlog+0x101/0x620 [ 2083.279664][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2083.279664][ T74] net_rx_action+0x495/0xbe0 [ 2083.279664][ T74] __do_softirq+0x1b5/0x7f6 [ 2083.279664][ T74] [ 2083.281524][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2083.281524][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2083.281524][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2083.281524][ T74] fib6_nh_init+0xa22/0x1580 [ 2083.281524][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2083.281524][ T74] ip6_route_add+0x1c/0x140 [ 2083.281524][ T74] inet6_rtm_newroute+0x104/0x110 [ 2083.281524][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2083.281524][ T74] netlink_rcv_skb+0x130/0x360 [ 2083.281524][ T74] netlink_unicast+0x449/0x710 [ 2083.281524][ T74] netlink_sendmsg+0x723/0xbe0 [ 2083.281524][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2083.281524][ T74] ___sys_sendmsg+0xee/0x170 [ 2083.281524][ T74] __sys_sendmsg+0xcd/0x170 [ 2083.281524][ T74] do_syscall_64+0xc6/0x1e0 [ 2083.281524][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2083.281524][ T74] [ 2083.283832][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2083.283832][ T74] netdev_get_by_index+0x5e/0x80 [ 2083.283832][ T74] fib6_nh_init+0x3d8/0x1580 [ 2083.283832][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2083.283832][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2083.283832][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2083.283832][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2083.283832][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2083.283832][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2083.283832][ T74] addrconf_dad_begin+0x310/0x670 [ 2083.283832][ T74] addrconf_dad_work+0x10b/0xab0 [ 2083.283832][ T74] process_one_work+0x84d/0x18a0 [ 2083.283832][ T74] worker_thread+0x587/0xd30 [ 2083.283832][ T74] kthread+0x28a/0x350 [ 2083.283832][ T74] ret_from_fork+0x31/0x70 [ 2083.283832][ T74] ret_from_fork_asm+0x1a/0x30 [ 2083.283832][ T74] [ 2083.286017][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2083.286017][ T74] netdev_get_by_index+0x5e/0x80 [ 2083.286017][ T74] fib6_nh_init+0x3d8/0x1580 [ 2083.286017][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2083.286017][ T74] ip6_route_add+0x1c/0x140 [ 2083.286017][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2083.286017][ T74] inet6_addr_add+0x4f8/0xa40 [ 2083.286017][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2083.286017][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2083.286017][ T74] netlink_rcv_skb+0x130/0x360 [ 2083.286017][ T74] netlink_unicast+0x449/0x710 [ 2083.286017][ T74] netlink_sendmsg+0x723/0xbe0 [ 2083.286017][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2083.286017][ T74] ___sys_sendmsg+0xee/0x170 [ 2083.286017][ T74] __sys_sendmsg+0xcd/0x170 [ 2083.286017][ T74] do_syscall_64+0xc6/0x1e0 [ 2083.286017][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2083.286017][ T74] [ 2083.288280][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2083.288280][ T74] netdev_get_by_index+0x5e/0x80 [ 2083.288280][ T74] fib6_nh_init+0x3d8/0x1580 [ 2083.288280][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2083.288280][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2083.288280][ T74] ipv6_add_addr+0x411/0x2000 [ 2083.288280][ T74] inet6_addr_add+0x30e/0xa40 [ 2083.288280][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2083.288280][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2083.288280][ T74] netlink_rcv_skb+0x130/0x360 [ 2083.288280][ T74] netlink_unicast+0x449/0x710 [ 2083.288280][ T74] netlink_sendmsg+0x723/0xbe0 [ 2083.288280][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2083.288280][ T74] ___sys_sendmsg+0xee/0x170 [ 2083.288280][ T74] __sys_sendmsg+0xcd/0x170 [ 2083.288280][ T74] do_syscall_64+0xc6/0x1e0 [ 2083.288280][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2083.288280][ T74] [ 2083.290566][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2083.290566][ T74] netdev_get_by_index+0x5e/0x80 [ 2083.290566][ T74] fib6_nh_init+0x3d8/0x1580 [ 2083.290566][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2083.290566][ T74] ip6_route_add+0x1c/0x140 [ 2083.290566][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2083.290566][ T74] addrconf_add_dev+0xe2/0x170 [ 2083.290566][ T74] inet6_addr_add+0x12f/0xa40 [ 2083.290566][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2083.290566][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2083.290566][ T74] netlink_rcv_skb+0x130/0x360 [ 2083.290566][ T74] netlink_unicast+0x449/0x710 [ 2083.290566][ T74] netlink_sendmsg+0x723/0xbe0 [ 2083.290566][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2083.290566][ T74] ___sys_sendmsg+0xee/0x170 [ 2083.290566][ T74] __sys_sendmsg+0xcd/0x170 [ 2083.290566][ T74] do_syscall_64+0xc6/0x1e0 [ 2083.290566][ T74] [ 2083.292780][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2083.292780][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2083.292780][ T74] ipv6_find_idev+0x102/0x170 [ 2083.292780][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2083.292780][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2083.292780][ T74] netlink_rcv_skb+0x130/0x360 [ 2083.292780][ T74] netlink_unicast+0x449/0x710 [ 2083.292780][ T74] netlink_sendmsg+0x723/0xbe0 [ 2083.292780][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2083.292780][ T74] ___sys_sendmsg+0xee/0x170 [ 2083.292780][ T74] __sys_sendmsg+0xcd/0x170 [ 2083.292780][ T74] do_syscall_64+0xc6/0x1e0 [ 2083.292780][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2083.292780][ T74] [ 2083.294662][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2083.294662][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2083.294662][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2083.294662][ T74] ipv6_find_idev+0x102/0x170 [ 2083.294662][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2083.294662][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2083.294662][ T74] netlink_rcv_skb+0x130/0x360 [ 2083.294662][ T74] netlink_unicast+0x449/0x710 [ 2083.294662][ T74] netlink_sendmsg+0x723/0xbe0 [ 2083.294662][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2083.294662][ T74] ___sys_sendmsg+0xee/0x170 [ 2083.294662][ T74] __sys_sendmsg+0xcd/0x170 [ 2083.294662][ T74] do_syscall_64+0xc6/0x1e0 [ 2083.294662][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2083.294662][ T74] [ 2083.296860][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2083.297136][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2083.297136][ T74] netdev_get_by_index+0x5e/0x80 [ 2083.297136][ T74] fib6_nh_init+0x3d8/0x1580 [ 2083.297136][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2083.297136][ T74] ip6_route_add+0x1c/0x140 [ 2083.297136][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2083.297136][ T74] inet6_addr_add+0x4f8/0xa40 [ 2083.297136][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2083.297136][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2083.297136][ T74] netlink_rcv_skb+0x130/0x360 [ 2083.297136][ T74] netlink_unicast+0x449/0x710 [ 2083.297136][ T74] netlink_sendmsg+0x723/0xbe0 [ 2083.297136][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2083.297136][ T74] ___sys_sendmsg+0xee/0x170 [ 2083.297136][ T74] __sys_sendmsg+0xcd/0x170 [ 2083.297136][ T74] do_syscall_64+0xc6/0x1e0 [ 2083.297136][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2083.297136][ T74] [ 2083.299597][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2083.299597][ T74] netdev_get_by_index+0x5e/0x80 [ 2083.299597][ T74] fib6_nh_init+0x3d8/0x1580 [ 2083.299597][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2083.299597][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2083.299597][ T74] ipv6_add_addr+0x411/0x2000 [ 2083.299597][ T74] inet6_addr_add+0x30e/0xa40 [ 2083.299597][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2083.299597][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2083.299597][ T74] netlink_rcv_skb+0x130/0x360 [ 2083.299597][ T74] netlink_unicast+0x449/0x710 [ 2083.299597][ T74] netlink_sendmsg+0x723/0xbe0 [ 2083.299597][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2083.299597][ T74] ___sys_sendmsg+0xee/0x170 [ 2083.299597][ T74] __sys_sendmsg+0xcd/0x170 [ 2083.299597][ T74] do_syscall_64+0xc6/0x1e0 [ 2083.299597][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2083.299597][ T74] [ 2083.302136][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2083.302136][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2083.302136][ T74] ipv6_find_idev+0x102/0x170 [ 2083.302136][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2083.302136][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2083.302136][ T74] netlink_rcv_skb+0x130/0x360 [ 2083.302136][ T74] netlink_unicast+0x449/0x710 [ 2083.302136][ T74] netlink_sendmsg+0x723/0xbe0 [ 2083.302136][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2083.302136][ T74] ___sys_sendmsg+0xee/0x170 [ 2083.302136][ T74] __sys_sendmsg+0xcd/0x170 [ 2083.302136][ T74] do_syscall_64+0xc6/0x1e0 [ 2083.302136][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2083.302136][ T74] [ 2083.304025][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2083.304025][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2083.304025][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2083.304025][ T74] ipv6_find_idev+0x102/0x170 [ 2083.304025][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2083.304025][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2083.304025][ T74] netlink_rcv_skb+0x130/0x360 [ 2083.304025][ T74] netlink_unicast+0x449/0x710 [ 2083.304025][ T74] netlink_sendmsg+0x723/0xbe0 [ 2083.304025][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2083.304025][ T74] ___sys_sendmsg+0xee/0x170 [ 2083.304025][ T74] __sys_sendmsg+0xcd/0x170 [ 2083.304025][ T74] do_syscall_64+0xc6/0x1e0 [ 2083.304025][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2083.304025][ T74] [ 2090.279949][ T42] INFO: task modprobe:7619 blocked for more than 491 seconds. [ 2090.280329][ T42] Not tainted 6.8.0-virtme #1 [ 2090.280467][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 2090.280687][ T42] task:modprobe state:D stack:25856 pid:7619 tgid:7619 ppid:62 flags:0x00004002 [ 2090.281014][ T42] Call Trace: [ 2090.281122][ T42] [ 2090.281199][ T42] __schedule+0x705/0x1ac0 [ 2090.281354][ T42] ? __pfx___schedule+0x10/0x10 [ 2090.281490][ T42] ? schedule+0x1a5/0x210 [ 2090.281596][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 2090.281743][ T42] ? mark_lock+0x38/0x3e0 [ 2090.281863][ T42] ? do_raw_spin_lock+0x131/0x270 [ 2090.282005][ T42] ? schedule+0x1a5/0x210 [ 2090.282117][ T42] schedule+0xdf/0x210 [ 2090.282224][ T42] schedule_preempt_disabled+0x15/0x30 [ 2090.282363][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 2090.282511][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 2090.282681][ T42] ? __pfx_console_unlock+0x10/0x10 [ 2090.282822][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 2090.282972][ T42] ? lock_acquire+0x1c1/0x220 [ 2090.283114][ T42] ? register_pernet_subsys+0x1a/0x50 [ 2090.283261][ T42] down_write+0x1c9/0x200 [ 2090.283368][ T42] ? __pfx_down_write+0x10/0x10 [ 2090.283505][ T42] ? __pfx__printk+0x10/0x10 [ 2090.283647][ T42] ? __pfx___lock_release+0x10/0x10 [ 2090.283789][ T42] register_pernet_subsys+0x1a/0x50 [ 2090.283932][ T42] tcf_register_action+0xa3/0x600 [ 2090.284076][ T42] ? __pfx_gact_init_module+0x10/0x10 [act_gact] [ 2090.284256][ T42] do_one_initcall+0xc8/0x3f0 [ 2090.284396][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 2090.284535][ T42] ? __create_object+0x5e/0xb0 [ 2090.284692][ T42] ? kasan_unpoison+0x27/0x60 [ 2090.284832][ T42] do_init_module+0x233/0x740 [ 2090.285018][ T42] load_module+0x16b5/0x2350 [ 2090.285169][ T42] ? __pfx_load_module+0x10/0x10 [ 2090.285306][ T42] ? kernel_read_file+0x3d2/0x520 [ 2090.285449][ T42] ? kernel_read_file+0x300/0x520 [ 2090.285593][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 2090.285735][ T42] ? init_module_from_file+0xd2/0x130 [ 2090.285882][ T42] init_module_from_file+0xd2/0x130 [ 2090.286021][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 2090.286191][ T42] ? __lock_release+0x103/0x460 [ 2090.286326][ T42] ? idempotent_init_module+0x32a/0x620 [ 2090.286472][ T42] ? idempotent_init_module+0x32a/0x620 [ 2090.286608][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 2090.286756][ T42] idempotent_init_module+0x342/0x620 [ 2090.286910][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 2090.287097][ T42] __x64_sys_finit_module+0xbe/0x130 [ 2090.287235][ T42] do_syscall_64+0xc6/0x1e0 [ 2090.287379][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2090.287549][ T42] RIP: 0033:0x7f1db4f62e5d [ 2090.287694][ T42] RSP: 002b:00007ffe8261b448 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 2090.287916][ T42] RAX: ffffffffffffffda RBX: 0000555e1791ec80 RCX: 00007f1db4f62e5d [ 2090.288121][ T42] RDX: 0000000000000000 RSI: 0000555dd93dca2a RDI: 0000000000000000 [ 2090.288322][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007ffe8261b580 [ 2090.288526][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555dd93dca2a [ 2090.288729][ T42] R13: 0000555e1791eac0 R14: 0000555e1791f0b0 R15: 0000555e1791ecf1 [ 2090.288982][ T42] [ 2090.289084][ T42] [ 2090.289084][ T42] Showing all locks held in the system: [ 2090.289283][ T42] 1 lock held by khungtaskd/42: [ 2090.289420][ T42] #0: ffffffff9a7591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 2090.289665][ T42] 2 locks held by kworker/u18:1/62: [ 2090.289797][ T42] #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 2090.290081][ T42] #1: ffffc9000043fda0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 2090.290392][ T42] 3 locks held by kworker/u16:1/74: [ 2090.290521][ T42] #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 2090.290790][ T42] #1: ffffc900004ffda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 2090.291040][ T42] #2: ffffffff9af6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60 [ 2090.291307][ T42] 1 lock held by modprobe/7619: [ 2090.291441][ T42] #0: ffffffff9af6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 2090.291715][ T42] [ 2090.291782][ T42] ============================================= [ 2090.291782][ T42] [ 2093.543937][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2093.544403][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2093.544403][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2093.544403][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2093.544403][ T74] fib6_nh_init+0xa22/0x1580 [ 2093.544403][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2093.544403][ T74] ip6_route_add+0x1c/0x140 [ 2093.544403][ T74] inet6_rtm_newroute+0x104/0x110 [ 2093.544403][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2093.544403][ T74] netlink_rcv_skb+0x130/0x360 [ 2093.544403][ T74] netlink_unicast+0x449/0x710 [ 2093.544403][ T74] netlink_sendmsg+0x723/0xbe0 [ 2093.544403][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2093.544403][ T74] ___sys_sendmsg+0xee/0x170 [ 2093.544403][ T74] __sys_sendmsg+0xcd/0x170 [ 2093.544403][ T74] do_syscall_64+0xc6/0x1e0 [ 2093.544403][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2093.544403][ T74] [ 2093.546533][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2093.546533][ T74] netdev_get_by_index+0x5e/0x80 [ 2093.546533][ T74] fib6_nh_init+0x3d8/0x1580 [ 2093.546533][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2093.546533][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2093.546533][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2093.546533][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2093.546533][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2093.546533][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2093.546533][ T74] addrconf_dad_begin+0x310/0x670 [ 2093.546533][ T74] addrconf_dad_work+0x10b/0xab0 [ 2093.546533][ T74] process_one_work+0x84d/0x18a0 [ 2093.546533][ T74] worker_thread+0x587/0xd30 [ 2093.546533][ T74] kthread+0x28a/0x350 [ 2093.546533][ T74] ret_from_fork+0x31/0x70 [ 2093.546533][ T74] ret_from_fork_asm+0x1a/0x30 [ 2093.546533][ T74] [ 2093.548679][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2093.548679][ T74] netdev_get_by_index+0x5e/0x80 [ 2093.548679][ T74] fib6_nh_init+0x3d8/0x1580 [ 2093.548679][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2093.548679][ T74] ip6_route_add+0x1c/0x140 [ 2093.548679][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2093.548679][ T74] inet6_addr_add+0x4f8/0xa40 [ 2093.548679][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2093.548679][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2093.548679][ T74] netlink_rcv_skb+0x130/0x360 [ 2093.548679][ T74] netlink_unicast+0x449/0x710 [ 2093.548679][ T74] netlink_sendmsg+0x723/0xbe0 [ 2093.548679][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2093.548679][ T74] ___sys_sendmsg+0xee/0x170 [ 2093.548679][ T74] __sys_sendmsg+0xcd/0x170 [ 2093.548679][ T74] do_syscall_64+0xc6/0x1e0 [ 2093.548679][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2093.548679][ T74] [ 2093.550909][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2093.550909][ T74] netdev_get_by_index+0x5e/0x80 [ 2093.550909][ T74] fib6_nh_init+0x3d8/0x1580 [ 2093.550909][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2093.550909][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2093.550909][ T74] ipv6_add_addr+0x411/0x2000 [ 2093.550909][ T74] inet6_addr_add+0x30e/0xa40 [ 2093.550909][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2093.550909][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2093.550909][ T74] netlink_rcv_skb+0x130/0x360 [ 2093.550909][ T74] netlink_unicast+0x449/0x710 [ 2093.550909][ T74] netlink_sendmsg+0x723/0xbe0 [ 2093.550909][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2093.550909][ T74] ___sys_sendmsg+0xee/0x170 [ 2093.550909][ T74] __sys_sendmsg+0xcd/0x170 [ 2093.550909][ T74] do_syscall_64+0xc6/0x1e0 [ 2093.550909][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2093.550909][ T74] [ 2093.553182][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2093.553182][ T74] netdev_get_by_index+0x5e/0x80 [ 2093.553182][ T74] fib6_nh_init+0x3d8/0x1580 [ 2093.553182][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2093.553182][ T74] ip6_route_add+0x1c/0x140 [ 2093.553182][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2093.553182][ T74] addrconf_add_dev+0xe2/0x170 [ 2093.553182][ T74] inet6_addr_add+0x12f/0xa40 [ 2093.553182][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2093.553182][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2093.553182][ T74] netlink_rcv_skb+0x130/0x360 [ 2093.553182][ T74] netlink_unicast+0x449/0x710 [ 2093.553182][ T74] netlink_sendmsg+0x723/0xbe0 [ 2093.553182][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2093.553182][ T74] ___sys_sendmsg+0xee/0x170 [ 2093.553182][ T74] __sys_sendmsg+0xcd/0x170 [ 2093.553182][ T74] do_syscall_64+0xc6/0x1e0 [ 2093.553182][ T74] [ 2093.555464][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2093.555464][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2093.555464][ T74] ipv6_find_idev+0x102/0x170 [ 2093.555464][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2093.555464][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2093.555464][ T74] netlink_rcv_skb+0x130/0x360 [ 2093.555464][ T74] netlink_unicast+0x449/0x710 [ 2093.555464][ T74] netlink_sendmsg+0x723/0xbe0 [ 2093.555464][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2093.555464][ T74] ___sys_sendmsg+0xee/0x170 [ 2093.555464][ T74] __sys_sendmsg+0xcd/0x170 [ 2093.555464][ T74] do_syscall_64+0xc6/0x1e0 [ 2093.555464][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2093.555464][ T74] [ 2093.557230][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2093.557230][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2093.557230][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2093.557230][ T74] ipv6_find_idev+0x102/0x170 [ 2093.557230][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2093.557230][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2093.557230][ T74] netlink_rcv_skb+0x130/0x360 [ 2093.557230][ T74] netlink_unicast+0x449/0x710 [ 2093.557230][ T74] netlink_sendmsg+0x723/0xbe0 [ 2093.557230][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2093.557230][ T74] ___sys_sendmsg+0xee/0x170 [ 2093.557230][ T74] __sys_sendmsg+0xcd/0x170 [ 2093.557230][ T74] do_syscall_64+0xc6/0x1e0 [ 2093.557230][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2093.557230][ T74] [ 2093.559132][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2093.559432][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2093.559432][ T74] dst_init+0x84/0x4a0 [ 2093.559432][ T74] dst_alloc+0x97/0x150 [ 2093.559432][ T74] ip6_dst_alloc+0x23/0x90 [ 2093.559432][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2093.559432][ T74] ip6_pol_route+0x56f/0x840 [ 2093.559432][ T74] fib6_rule_lookup+0x456/0x630 [ 2093.559432][ T74] ip6_route_input+0x59c/0xa50 [ 2093.559432][ T74] ipv6_rcv+0x397/0x810 [ 2093.559432][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2093.559432][ T74] process_backlog+0x101/0x620 [ 2093.559432][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2093.559432][ T74] net_rx_action+0x495/0xbe0 [ 2093.559432][ T74] __do_softirq+0x1b5/0x7f6 [ 2093.559432][ T74] [ 2093.561257][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2093.561257][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2093.561257][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2093.561257][ T74] fib6_nh_init+0xa22/0x1580 [ 2093.561257][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2093.561257][ T74] ip6_route_add+0x1c/0x140 [ 2093.561257][ T74] inet6_rtm_newroute+0x104/0x110 [ 2093.561257][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2093.561257][ T74] netlink_rcv_skb+0x130/0x360 [ 2093.561257][ T74] netlink_unicast+0x449/0x710 [ 2093.561257][ T74] netlink_sendmsg+0x723/0xbe0 [ 2093.561257][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2093.561257][ T74] ___sys_sendmsg+0xee/0x170 [ 2093.561257][ T74] __sys_sendmsg+0xcd/0x170 [ 2093.561257][ T74] do_syscall_64+0xc6/0x1e0 [ 2093.561257][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2093.561257][ T74] [ 2093.563390][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2093.563390][ T74] netdev_get_by_index+0x5e/0x80 [ 2093.563390][ T74] fib6_nh_init+0x3d8/0x1580 [ 2093.563390][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2093.563390][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2093.563390][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2093.563390][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2093.563390][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2093.563390][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2093.563390][ T74] addrconf_dad_begin+0x310/0x670 [ 2093.563390][ T74] addrconf_dad_work+0x10b/0xab0 [ 2093.563390][ T74] process_one_work+0x84d/0x18a0 [ 2093.563390][ T74] worker_thread+0x587/0xd30 [ 2093.563390][ T74] kthread+0x28a/0x350 [ 2093.563390][ T74] ret_from_fork+0x31/0x70 [ 2093.563390][ T74] ret_from_fork_asm+0x1a/0x30 [ 2093.563390][ T74] [ 2093.565548][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2093.565548][ T74] netdev_get_by_index+0x5e/0x80 [ 2093.565548][ T74] fib6_nh_init+0x3d8/0x1580 [ 2093.565548][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2093.565548][ T74] ip6_route_add+0x1c/0x140 [ 2093.565548][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2093.565548][ T74] inet6_addr_add+0x4f8/0xa40 [ 2093.565548][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2093.565548][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2093.565548][ T74] netlink_rcv_skb+0x130/0x360 [ 2093.565548][ T74] netlink_unicast+0x449/0x710 [ 2093.565548][ T74] netlink_sendmsg+0x723/0xbe0 [ 2093.565548][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2093.565548][ T74] ___sys_sendmsg+0xee/0x170 [ 2093.565548][ T74] __sys_sendmsg+0xcd/0x170 [ 2093.565548][ T74] do_syscall_64+0xc6/0x1e0 [ 2093.565548][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2093.565548][ T74] [ 2093.567779][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2093.567779][ T74] netdev_get_by_index+0x5e/0x80 [ 2093.567779][ T74] fib6_nh_init+0x3d8/0x1580 [ 2093.567779][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2093.567779][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2093.567779][ T74] ipv6_add_addr+0x411/0x2000 [ 2093.567779][ T74] inet6_addr_add+0x30e/0xa40 [ 2093.567779][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2093.567779][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2093.567779][ T74] netlink_rcv_skb+0x130/0x360 [ 2093.567779][ T74] netlink_unicast+0x449/0x710 [ 2093.567779][ T74] netlink_sendmsg+0x723/0xbe0 [ 2093.567779][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2093.567779][ T74] ___sys_sendmsg+0xee/0x170 [ 2093.567779][ T74] __sys_sendmsg+0xcd/0x170 [ 2093.567779][ T74] do_syscall_64+0xc6/0x1e0 [ 2093.567779][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2093.567779][ T74] [ 2093.570005][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2093.570005][ T74] netdev_get_by_index+0x5e/0x80 [ 2093.570005][ T74] fib6_nh_init+0x3d8/0x1580 [ 2093.570005][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2093.570005][ T74] ip6_route_add+0x1c/0x140 [ 2093.570005][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2093.570005][ T74] addrconf_add_dev+0xe2/0x170 [ 2093.570005][ T74] inet6_addr_add+0x12f/0xa40 [ 2093.570005][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2093.570005][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2093.570005][ T74] netlink_rcv_skb+0x130/0x360 [ 2093.570005][ T74] netlink_unicast+0x449/0x710 [ 2093.570005][ T74] netlink_sendmsg+0x723/0xbe0 [ 2093.570005][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2093.570005][ T74] ___sys_sendmsg+0xee/0x170 [ 2093.570005][ T74] __sys_sendmsg+0xcd/0x170 [ 2093.570005][ T74] do_syscall_64+0xc6/0x1e0 [ 2093.570005][ T74] [ 2093.572216][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2093.572216][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2093.572216][ T74] ipv6_find_idev+0x102/0x170 [ 2093.572216][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2093.572216][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2093.572216][ T74] netlink_rcv_skb+0x130/0x360 [ 2093.572216][ T74] netlink_unicast+0x449/0x710 [ 2093.572216][ T74] netlink_sendmsg+0x723/0xbe0 [ 2093.572216][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2093.572216][ T74] ___sys_sendmsg+0xee/0x170 [ 2093.572216][ T74] __sys_sendmsg+0xcd/0x170 [ 2093.572216][ T74] do_syscall_64+0xc6/0x1e0 [ 2093.572216][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2093.572216][ T74] [ 2093.574079][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2093.574079][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2093.574079][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2093.574079][ T74] ipv6_find_idev+0x102/0x170 [ 2093.574079][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2093.574079][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2093.574079][ T74] netlink_rcv_skb+0x130/0x360 [ 2093.574079][ T74] netlink_unicast+0x449/0x710 [ 2093.574079][ T74] netlink_sendmsg+0x723/0xbe0 [ 2093.574079][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2093.574079][ T74] ___sys_sendmsg+0xee/0x170 [ 2093.574079][ T74] __sys_sendmsg+0xcd/0x170 [ 2093.574079][ T74] do_syscall_64+0xc6/0x1e0 [ 2093.574079][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2093.574079][ T74] [ 2093.576138][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2093.576396][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2093.576396][ T74] netdev_get_by_index+0x5e/0x80 [ 2093.576396][ T74] fib6_nh_init+0x3d8/0x1580 [ 2093.576396][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2093.576396][ T74] ip6_route_add+0x1c/0x140 [ 2093.576396][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2093.576396][ T74] inet6_addr_add+0x4f8/0xa40 [ 2093.576396][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2093.576396][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2093.576396][ T74] netlink_rcv_skb+0x130/0x360 [ 2093.576396][ T74] netlink_unicast+0x449/0x710 [ 2093.576396][ T74] netlink_sendmsg+0x723/0xbe0 [ 2093.576396][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2093.576396][ T74] ___sys_sendmsg+0xee/0x170 [ 2093.576396][ T74] __sys_sendmsg+0xcd/0x170 [ 2093.576396][ T74] do_syscall_64+0xc6/0x1e0 [ 2093.576396][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2093.576396][ T74] [ 2093.578902][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2093.578902][ T74] netdev_get_by_index+0x5e/0x80 [ 2093.578902][ T74] fib6_nh_init+0x3d8/0x1580 [ 2093.578902][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2093.578902][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2093.578902][ T74] ipv6_add_addr+0x411/0x2000 [ 2093.578902][ T74] inet6_addr_add+0x30e/0xa40 [ 2093.578902][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2093.578902][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2093.578902][ T74] netlink_rcv_skb+0x130/0x360 [ 2093.578902][ T74] netlink_unicast+0x449/0x710 [ 2093.578902][ T74] netlink_sendmsg+0x723/0xbe0 [ 2093.578902][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2093.578902][ T74] ___sys_sendmsg+0xee/0x170 [ 2093.578902][ T74] __sys_sendmsg+0xcd/0x170 [ 2093.578902][ T74] do_syscall_64+0xc6/0x1e0 [ 2093.578902][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2093.578902][ T74] [ 2093.581382][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2093.581382][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2093.581382][ T74] ipv6_find_idev+0x102/0x170 [ 2093.581382][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2093.581382][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2093.581382][ T74] netlink_rcv_skb+0x130/0x360 [ 2093.581382][ T74] netlink_unicast+0x449/0x710 [ 2093.581382][ T74] netlink_sendmsg+0x723/0xbe0 [ 2093.581382][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2093.581382][ T74] ___sys_sendmsg+0xee/0x170 [ 2093.581382][ T74] __sys_sendmsg+0xcd/0x170 [ 2093.581382][ T74] do_syscall_64+0xc6/0x1e0 [ 2093.581382][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2093.581382][ T74] [ 2093.583547][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2093.583547][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2093.583547][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2093.583547][ T74] ipv6_find_idev+0x102/0x170 [ 2093.583547][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2093.583547][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2093.583547][ T74] netlink_rcv_skb+0x130/0x360 [ 2093.583547][ T74] netlink_unicast+0x449/0x710 [ 2093.583547][ T74] netlink_sendmsg+0x723/0xbe0 [ 2093.583547][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2093.583547][ T74] ___sys_sendmsg+0xee/0x170 [ 2093.583547][ T74] __sys_sendmsg+0xcd/0x170 [ 2093.583547][ T74] do_syscall_64+0xc6/0x1e0 [ 2093.583547][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2093.583547][ T74] [ 2103.823955][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2103.824543][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2103.824543][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2103.824543][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2103.824543][ T74] fib6_nh_init+0xa22/0x1580 [ 2103.824543][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2103.824543][ T74] ip6_route_add+0x1c/0x140 [ 2103.824543][ T74] inet6_rtm_newroute+0x104/0x110 [ 2103.824543][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2103.824543][ T74] netlink_rcv_skb+0x130/0x360 [ 2103.824543][ T74] netlink_unicast+0x449/0x710 [ 2103.824543][ T74] netlink_sendmsg+0x723/0xbe0 [ 2103.824543][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2103.824543][ T74] ___sys_sendmsg+0xee/0x170 [ 2103.824543][ T74] __sys_sendmsg+0xcd/0x170 [ 2103.824543][ T74] do_syscall_64+0xc6/0x1e0 [ 2103.824543][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2103.824543][ T74] [ 2103.827667][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2103.827667][ T74] netdev_get_by_index+0x5e/0x80 [ 2103.827667][ T74] fib6_nh_init+0x3d8/0x1580 [ 2103.827667][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2103.827667][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2103.827667][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2103.827667][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2103.827667][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2103.827667][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2103.827667][ T74] addrconf_dad_begin+0x310/0x670 [ 2103.827667][ T74] addrconf_dad_work+0x10b/0xab0 [ 2103.827667][ T74] process_one_work+0x84d/0x18a0 [ 2103.827667][ T74] worker_thread+0x587/0xd30 [ 2103.827667][ T74] kthread+0x28a/0x350 [ 2103.827667][ T74] ret_from_fork+0x31/0x70 [ 2103.827667][ T74] ret_from_fork_asm+0x1a/0x30 [ 2103.827667][ T74] [ 2103.830904][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2103.830904][ T74] netdev_get_by_index+0x5e/0x80 [ 2103.830904][ T74] fib6_nh_init+0x3d8/0x1580 [ 2103.830904][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2103.830904][ T74] ip6_route_add+0x1c/0x140 [ 2103.830904][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2103.830904][ T74] inet6_addr_add+0x4f8/0xa40 [ 2103.830904][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2103.830904][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2103.830904][ T74] netlink_rcv_skb+0x130/0x360 [ 2103.830904][ T74] netlink_unicast+0x449/0x710 [ 2103.830904][ T74] netlink_sendmsg+0x723/0xbe0 [ 2103.830904][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2103.830904][ T74] ___sys_sendmsg+0xee/0x170 [ 2103.830904][ T74] __sys_sendmsg+0xcd/0x170 [ 2103.830904][ T74] do_syscall_64+0xc6/0x1e0 [ 2103.830904][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2103.830904][ T74] [ 2103.834313][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2103.834313][ T74] netdev_get_by_index+0x5e/0x80 [ 2103.834313][ T74] fib6_nh_init+0x3d8/0x1580 [ 2103.834313][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2103.834313][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2103.834313][ T74] ipv6_add_addr+0x411/0x2000 [ 2103.834313][ T74] inet6_addr_add+0x30e/0xa40 [ 2103.834313][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2103.834313][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2103.834313][ T74] netlink_rcv_skb+0x130/0x360 [ 2103.834313][ T74] netlink_unicast+0x449/0x710 [ 2103.834313][ T74] netlink_sendmsg+0x723/0xbe0 [ 2103.834313][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2103.834313][ T74] ___sys_sendmsg+0xee/0x170 [ 2103.834313][ T74] __sys_sendmsg+0xcd/0x170 [ 2103.834313][ T74] do_syscall_64+0xc6/0x1e0 [ 2103.834313][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2103.834313][ T74] [ 2103.837983][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2103.837983][ T74] netdev_get_by_index+0x5e/0x80 [ 2103.837983][ T74] fib6_nh_init+0x3d8/0x1580 [ 2103.837983][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2103.837983][ T74] ip6_route_add+0x1c/0x140 [ 2103.837983][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2103.837983][ T74] addrconf_add_dev+0xe2/0x170 [ 2103.837983][ T74] inet6_addr_add+0x12f/0xa40 [ 2103.837983][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2103.837983][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2103.837983][ T74] netlink_rcv_skb+0x130/0x360 [ 2103.837983][ T74] netlink_unicast+0x449/0x710 [ 2103.837983][ T74] netlink_sendmsg+0x723/0xbe0 [ 2103.837983][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2103.837983][ T74] ___sys_sendmsg+0xee/0x170 [ 2103.837983][ T74] __sys_sendmsg+0xcd/0x170 [ 2103.837983][ T74] do_syscall_64+0xc6/0x1e0 [ 2103.837983][ T74] [ 2103.841211][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2103.841211][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2103.841211][ T74] ipv6_find_idev+0x102/0x170 [ 2103.841211][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2103.841211][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2103.841211][ T74] netlink_rcv_skb+0x130/0x360 [ 2103.841211][ T74] netlink_unicast+0x449/0x710 [ 2103.841211][ T74] netlink_sendmsg+0x723/0xbe0 [ 2103.841211][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2103.841211][ T74] ___sys_sendmsg+0xee/0x170 [ 2103.841211][ T74] __sys_sendmsg+0xcd/0x170 [ 2103.841211][ T74] do_syscall_64+0xc6/0x1e0 [ 2103.841211][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2103.841211][ T74] [ 2103.843673][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2103.843673][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2103.843673][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2103.843673][ T74] ipv6_find_idev+0x102/0x170 [ 2103.843673][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2103.843673][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2103.843673][ T74] netlink_rcv_skb+0x130/0x360 [ 2103.843673][ T74] netlink_unicast+0x449/0x710 [ 2103.843673][ T74] netlink_sendmsg+0x723/0xbe0 [ 2103.843673][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2103.843673][ T74] ___sys_sendmsg+0xee/0x170 [ 2103.843673][ T74] __sys_sendmsg+0xcd/0x170 [ 2103.843673][ T74] do_syscall_64+0xc6/0x1e0 [ 2103.843673][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2103.843673][ T74] [ 2103.846355][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2103.846810][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2103.846810][ T74] dst_init+0x84/0x4a0 [ 2103.846810][ T74] dst_alloc+0x97/0x150 [ 2103.846810][ T74] ip6_dst_alloc+0x23/0x90 [ 2103.846810][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2103.846810][ T74] ip6_pol_route+0x56f/0x840 [ 2103.846810][ T74] fib6_rule_lookup+0x456/0x630 [ 2103.846810][ T74] ip6_route_input+0x59c/0xa50 [ 2103.846810][ T74] ipv6_rcv+0x397/0x810 [ 2103.846810][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2103.846810][ T74] process_backlog+0x101/0x620 [ 2103.846810][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2103.846810][ T74] net_rx_action+0x495/0xbe0 [ 2103.846810][ T74] __do_softirq+0x1b5/0x7f6 [ 2103.846810][ T74] [ 2103.848824][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2103.848824][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2103.848824][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2103.848824][ T74] fib6_nh_init+0xa22/0x1580 [ 2103.848824][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2103.848824][ T74] ip6_route_add+0x1c/0x140 [ 2103.848824][ T74] inet6_rtm_newroute+0x104/0x110 [ 2103.848824][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2103.848824][ T74] netlink_rcv_skb+0x130/0x360 [ 2103.848824][ T74] netlink_unicast+0x449/0x710 [ 2103.848824][ T74] netlink_sendmsg+0x723/0xbe0 [ 2103.848824][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2103.848824][ T74] ___sys_sendmsg+0xee/0x170 [ 2103.848824][ T74] __sys_sendmsg+0xcd/0x170 [ 2103.848824][ T74] do_syscall_64+0xc6/0x1e0 [ 2103.848824][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2103.848824][ T74] [ 2103.851204][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2103.851204][ T74] netdev_get_by_index+0x5e/0x80 [ 2103.851204][ T74] fib6_nh_init+0x3d8/0x1580 [ 2103.851204][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2103.851204][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2103.851204][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2103.851204][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2103.851204][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2103.851204][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2103.851204][ T74] addrconf_dad_begin+0x310/0x670 [ 2103.851204][ T74] addrconf_dad_work+0x10b/0xab0 [ 2103.851204][ T74] process_one_work+0x84d/0x18a0 [ 2103.851204][ T74] worker_thread+0x587/0xd30 [ 2103.851204][ T74] kthread+0x28a/0x350 [ 2103.851204][ T74] ret_from_fork+0x31/0x70 [ 2103.851204][ T74] ret_from_fork_asm+0x1a/0x30 [ 2103.851204][ T74] [ 2103.853784][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2103.853784][ T74] netdev_get_by_index+0x5e/0x80 [ 2103.853784][ T74] fib6_nh_init+0x3d8/0x1580 [ 2103.853784][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2103.853784][ T74] ip6_route_add+0x1c/0x140 [ 2103.853784][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2103.853784][ T74] inet6_addr_add+0x4f8/0xa40 [ 2103.853784][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2103.853784][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2103.853784][ T74] netlink_rcv_skb+0x130/0x360 [ 2103.853784][ T74] netlink_unicast+0x449/0x710 [ 2103.853784][ T74] netlink_sendmsg+0x723/0xbe0 [ 2103.853784][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2103.853784][ T74] ___sys_sendmsg+0xee/0x170 [ 2103.853784][ T74] __sys_sendmsg+0xcd/0x170 [ 2103.853784][ T74] do_syscall_64+0xc6/0x1e0 [ 2103.853784][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2103.853784][ T74] [ 2103.856039][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2103.856039][ T74] netdev_get_by_index+0x5e/0x80 [ 2103.856039][ T74] fib6_nh_init+0x3d8/0x1580 [ 2103.856039][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2103.856039][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2103.856039][ T74] ipv6_add_addr+0x411/0x2000 [ 2103.856039][ T74] inet6_addr_add+0x30e/0xa40 [ 2103.856039][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2103.856039][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2103.856039][ T74] netlink_rcv_skb+0x130/0x360 [ 2103.856039][ T74] netlink_unicast+0x449/0x710 [ 2103.856039][ T74] netlink_sendmsg+0x723/0xbe0 [ 2103.856039][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2103.856039][ T74] ___sys_sendmsg+0xee/0x170 [ 2103.856039][ T74] __sys_sendmsg+0xcd/0x170 [ 2103.856039][ T74] do_syscall_64+0xc6/0x1e0 [ 2103.856039][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2103.856039][ T74] [ 2103.858398][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2103.858398][ T74] netdev_get_by_index+0x5e/0x80 [ 2103.858398][ T74] fib6_nh_init+0x3d8/0x1580 [ 2103.858398][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2103.858398][ T74] ip6_route_add+0x1c/0x140 [ 2103.858398][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2103.858398][ T74] addrconf_add_dev+0xe2/0x170 [ 2103.858398][ T74] inet6_addr_add+0x12f/0xa40 [ 2103.858398][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2103.858398][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2103.858398][ T74] netlink_rcv_skb+0x130/0x360 [ 2103.858398][ T74] netlink_unicast+0x449/0x710 [ 2103.858398][ T74] netlink_sendmsg+0x723/0xbe0 [ 2103.858398][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2103.858398][ T74] ___sys_sendmsg+0xee/0x170 [ 2103.858398][ T74] __sys_sendmsg+0xcd/0x170 [ 2103.858398][ T74] do_syscall_64+0xc6/0x1e0 [ 2103.858398][ T74] [ 2103.860592][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2103.860592][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2103.860592][ T74] ipv6_find_idev+0x102/0x170 [ 2103.860592][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2103.860592][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2103.860592][ T74] netlink_rcv_skb+0x130/0x360 [ 2103.860592][ T74] netlink_unicast+0x449/0x710 [ 2103.860592][ T74] netlink_sendmsg+0x723/0xbe0 [ 2103.860592][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2103.860592][ T74] ___sys_sendmsg+0xee/0x170 [ 2103.860592][ T74] __sys_sendmsg+0xcd/0x170 [ 2103.860592][ T74] do_syscall_64+0xc6/0x1e0 [ 2103.860592][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2103.860592][ T74] [ 2103.862714][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2103.862714][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2103.862714][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2103.862714][ T74] ipv6_find_idev+0x102/0x170 [ 2103.862714][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2103.862714][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2103.862714][ T74] netlink_rcv_skb+0x130/0x360 [ 2103.862714][ T74] netlink_unicast+0x449/0x710 [ 2103.862714][ T74] netlink_sendmsg+0x723/0xbe0 [ 2103.862714][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2103.862714][ T74] ___sys_sendmsg+0xee/0x170 [ 2103.862714][ T74] __sys_sendmsg+0xcd/0x170 [ 2103.862714][ T74] do_syscall_64+0xc6/0x1e0 [ 2103.862714][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2103.862714][ T74] [ 2103.864904][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2103.865169][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2103.865169][ T74] netdev_get_by_index+0x5e/0x80 [ 2103.865169][ T74] fib6_nh_init+0x3d8/0x1580 [ 2103.865169][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2103.865169][ T74] ip6_route_add+0x1c/0x140 [ 2103.865169][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2103.865169][ T74] inet6_addr_add+0x4f8/0xa40 [ 2103.865169][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2103.865169][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2103.865169][ T74] netlink_rcv_skb+0x130/0x360 [ 2103.865169][ T74] netlink_unicast+0x449/0x710 [ 2103.865169][ T74] netlink_sendmsg+0x723/0xbe0 [ 2103.865169][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2103.865169][ T74] ___sys_sendmsg+0xee/0x170 [ 2103.865169][ T74] __sys_sendmsg+0xcd/0x170 [ 2103.865169][ T74] do_syscall_64+0xc6/0x1e0 [ 2103.865169][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2103.865169][ T74] [ 2103.867632][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2103.867632][ T74] netdev_get_by_index+0x5e/0x80 [ 2103.867632][ T74] fib6_nh_init+0x3d8/0x1580 [ 2103.867632][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2103.867632][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2103.867632][ T74] ipv6_add_addr+0x411/0x2000 [ 2103.867632][ T74] inet6_addr_add+0x30e/0xa40 [ 2103.867632][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2103.867632][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2103.867632][ T74] netlink_rcv_skb+0x130/0x360 [ 2103.867632][ T74] netlink_unicast+0x449/0x710 [ 2103.867632][ T74] netlink_sendmsg+0x723/0xbe0 [ 2103.867632][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2103.867632][ T74] ___sys_sendmsg+0xee/0x170 [ 2103.867632][ T74] __sys_sendmsg+0xcd/0x170 [ 2103.867632][ T74] do_syscall_64+0xc6/0x1e0 [ 2103.867632][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2103.867632][ T74] [ 2103.870119][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2103.870119][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2103.870119][ T74] ipv6_find_idev+0x102/0x170 [ 2103.870119][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2103.870119][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2103.870119][ T74] netlink_rcv_skb+0x130/0x360 [ 2103.870119][ T74] netlink_unicast+0x449/0x710 [ 2103.870119][ T74] netlink_sendmsg+0x723/0xbe0 [ 2103.870119][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2103.870119][ T74] ___sys_sendmsg+0xee/0x170 [ 2103.870119][ T74] __sys_sendmsg+0xcd/0x170 [ 2103.870119][ T74] do_syscall_64+0xc6/0x1e0 [ 2103.870119][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2103.870119][ T74] [ 2103.871951][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2103.871951][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2103.871951][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2103.871951][ T74] ipv6_find_idev+0x102/0x170 [ 2103.871951][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2103.871951][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2103.871951][ T74] netlink_rcv_skb+0x130/0x360 [ 2103.871951][ T74] netlink_unicast+0x449/0x710 [ 2103.871951][ T74] netlink_sendmsg+0x723/0xbe0 [ 2103.871951][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2103.871951][ T74] ___sys_sendmsg+0xee/0x170 [ 2103.871951][ T74] __sys_sendmsg+0xcd/0x170 [ 2103.871951][ T74] do_syscall_64+0xc6/0x1e0 [ 2103.871951][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2103.871951][ T74] [ 2114.112025][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2114.112538][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2114.112538][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2114.112538][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2114.112538][ T74] fib6_nh_init+0xa22/0x1580 [ 2114.112538][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2114.112538][ T74] ip6_route_add+0x1c/0x140 [ 2114.112538][ T74] inet6_rtm_newroute+0x104/0x110 [ 2114.112538][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2114.112538][ T74] netlink_rcv_skb+0x130/0x360 [ 2114.112538][ T74] netlink_unicast+0x449/0x710 [ 2114.112538][ T74] netlink_sendmsg+0x723/0xbe0 [ 2114.112538][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2114.112538][ T74] ___sys_sendmsg+0xee/0x170 [ 2114.112538][ T74] __sys_sendmsg+0xcd/0x170 [ 2114.112538][ T74] do_syscall_64+0xc6/0x1e0 [ 2114.112538][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2114.112538][ T74] [ 2114.114628][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2114.114628][ T74] netdev_get_by_index+0x5e/0x80 [ 2114.114628][ T74] fib6_nh_init+0x3d8/0x1580 [ 2114.114628][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2114.114628][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2114.114628][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2114.114628][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2114.114628][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2114.114628][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2114.114628][ T74] addrconf_dad_begin+0x310/0x670 [ 2114.114628][ T74] addrconf_dad_work+0x10b/0xab0 [ 2114.114628][ T74] process_one_work+0x84d/0x18a0 [ 2114.114628][ T74] worker_thread+0x587/0xd30 [ 2114.114628][ T74] kthread+0x28a/0x350 [ 2114.114628][ T74] ret_from_fork+0x31/0x70 [ 2114.114628][ T74] ret_from_fork_asm+0x1a/0x30 [ 2114.114628][ T74] [ 2114.116777][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2114.116777][ T74] netdev_get_by_index+0x5e/0x80 [ 2114.116777][ T74] fib6_nh_init+0x3d8/0x1580 [ 2114.116777][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2114.116777][ T74] ip6_route_add+0x1c/0x140 [ 2114.116777][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2114.116777][ T74] inet6_addr_add+0x4f8/0xa40 [ 2114.116777][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2114.116777][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2114.116777][ T74] netlink_rcv_skb+0x130/0x360 [ 2114.116777][ T74] netlink_unicast+0x449/0x710 [ 2114.116777][ T74] netlink_sendmsg+0x723/0xbe0 [ 2114.116777][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2114.116777][ T74] ___sys_sendmsg+0xee/0x170 [ 2114.116777][ T74] __sys_sendmsg+0xcd/0x170 [ 2114.116777][ T74] do_syscall_64+0xc6/0x1e0 [ 2114.116777][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2114.116777][ T74] [ 2114.119008][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2114.119008][ T74] netdev_get_by_index+0x5e/0x80 [ 2114.119008][ T74] fib6_nh_init+0x3d8/0x1580 [ 2114.119008][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2114.119008][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2114.119008][ T74] ipv6_add_addr+0x411/0x2000 [ 2114.119008][ T74] inet6_addr_add+0x30e/0xa40 [ 2114.119008][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2114.119008][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2114.119008][ T74] netlink_rcv_skb+0x130/0x360 [ 2114.119008][ T74] netlink_unicast+0x449/0x710 [ 2114.119008][ T74] netlink_sendmsg+0x723/0xbe0 [ 2114.119008][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2114.119008][ T74] ___sys_sendmsg+0xee/0x170 [ 2114.119008][ T74] __sys_sendmsg+0xcd/0x170 [ 2114.119008][ T74] do_syscall_64+0xc6/0x1e0 [ 2114.119008][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2114.119008][ T74] [ 2114.121221][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2114.121221][ T74] netdev_get_by_index+0x5e/0x80 [ 2114.121221][ T74] fib6_nh_init+0x3d8/0x1580 [ 2114.121221][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2114.121221][ T74] ip6_route_add+0x1c/0x140 [ 2114.121221][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2114.121221][ T74] addrconf_add_dev+0xe2/0x170 [ 2114.121221][ T74] inet6_addr_add+0x12f/0xa40 [ 2114.121221][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2114.121221][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2114.121221][ T74] netlink_rcv_skb+0x130/0x360 [ 2114.121221][ T74] netlink_unicast+0x449/0x710 [ 2114.121221][ T74] netlink_sendmsg+0x723/0xbe0 [ 2114.121221][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2114.121221][ T74] ___sys_sendmsg+0xee/0x170 [ 2114.121221][ T74] __sys_sendmsg+0xcd/0x170 [ 2114.121221][ T74] do_syscall_64+0xc6/0x1e0 [ 2114.121221][ T74] [ 2114.123397][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2114.123397][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2114.123397][ T74] ipv6_find_idev+0x102/0x170 [ 2114.123397][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2114.123397][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2114.123397][ T74] netlink_rcv_skb+0x130/0x360 [ 2114.123397][ T74] netlink_unicast+0x449/0x710 [ 2114.123397][ T74] netlink_sendmsg+0x723/0xbe0 [ 2114.123397][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2114.123397][ T74] ___sys_sendmsg+0xee/0x170 [ 2114.123397][ T74] __sys_sendmsg+0xcd/0x170 [ 2114.123397][ T74] do_syscall_64+0xc6/0x1e0 [ 2114.123397][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2114.123397][ T74] [ 2114.125101][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2114.125101][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2114.125101][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2114.125101][ T74] ipv6_find_idev+0x102/0x170 [ 2114.125101][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2114.125101][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2114.125101][ T74] netlink_rcv_skb+0x130/0x360 [ 2114.125101][ T74] netlink_unicast+0x449/0x710 [ 2114.125101][ T74] netlink_sendmsg+0x723/0xbe0 [ 2114.125101][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2114.125101][ T74] ___sys_sendmsg+0xee/0x170 [ 2114.125101][ T74] __sys_sendmsg+0xcd/0x170 [ 2114.125101][ T74] do_syscall_64+0xc6/0x1e0 [ 2114.125101][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2114.125101][ T74] [ 2114.126968][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2114.127261][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2114.127261][ T74] dst_init+0x84/0x4a0 [ 2114.127261][ T74] dst_alloc+0x97/0x150 [ 2114.127261][ T74] ip6_dst_alloc+0x23/0x90 [ 2114.127261][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2114.127261][ T74] ip6_pol_route+0x56f/0x840 [ 2114.127261][ T74] fib6_rule_lookup+0x456/0x630 [ 2114.127261][ T74] ip6_route_input+0x59c/0xa50 [ 2114.127261][ T74] ipv6_rcv+0x397/0x810 [ 2114.127261][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2114.127261][ T74] process_backlog+0x101/0x620 [ 2114.127261][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2114.127261][ T74] net_rx_action+0x495/0xbe0 [ 2114.127261][ T74] __do_softirq+0x1b5/0x7f6 [ 2114.127261][ T74] [ 2114.129069][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2114.129069][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2114.129069][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2114.129069][ T74] fib6_nh_init+0xa22/0x1580 [ 2114.129069][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2114.129069][ T74] ip6_route_add+0x1c/0x140 [ 2114.129069][ T74] inet6_rtm_newroute+0x104/0x110 [ 2114.129069][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2114.129069][ T74] netlink_rcv_skb+0x130/0x360 [ 2114.129069][ T74] netlink_unicast+0x449/0x710 [ 2114.129069][ T74] netlink_sendmsg+0x723/0xbe0 [ 2114.129069][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2114.129069][ T74] ___sys_sendmsg+0xee/0x170 [ 2114.129069][ T74] __sys_sendmsg+0xcd/0x170 [ 2114.129069][ T74] do_syscall_64+0xc6/0x1e0 [ 2114.129069][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2114.129069][ T74] [ 2114.131128][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2114.131128][ T74] netdev_get_by_index+0x5e/0x80 [ 2114.131128][ T74] fib6_nh_init+0x3d8/0x1580 [ 2114.131128][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2114.131128][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2114.131128][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2114.131128][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2114.131128][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2114.131128][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2114.131128][ T74] addrconf_dad_begin+0x310/0x670 [ 2114.131128][ T74] addrconf_dad_work+0x10b/0xab0 [ 2114.131128][ T74] process_one_work+0x84d/0x18a0 [ 2114.131128][ T74] worker_thread+0x587/0xd30 [ 2114.131128][ T74] kthread+0x28a/0x350 [ 2114.131128][ T74] ret_from_fork+0x31/0x70 [ 2114.131128][ T74] ret_from_fork_asm+0x1a/0x30 [ 2114.131128][ T74] [ 2114.133220][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2114.133220][ T74] netdev_get_by_index+0x5e/0x80 [ 2114.133220][ T74] fib6_nh_init+0x3d8/0x1580 [ 2114.133220][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2114.133220][ T74] ip6_route_add+0x1c/0x140 [ 2114.133220][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2114.133220][ T74] inet6_addr_add+0x4f8/0xa40 [ 2114.133220][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2114.133220][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2114.133220][ T74] netlink_rcv_skb+0x130/0x360 [ 2114.133220][ T74] netlink_unicast+0x449/0x710 [ 2114.133220][ T74] netlink_sendmsg+0x723/0xbe0 [ 2114.133220][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2114.133220][ T74] ___sys_sendmsg+0xee/0x170 [ 2114.133220][ T74] __sys_sendmsg+0xcd/0x170 [ 2114.133220][ T74] do_syscall_64+0xc6/0x1e0 [ 2114.133220][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2114.133220][ T74] [ 2114.135446][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2114.135446][ T74] netdev_get_by_index+0x5e/0x80 [ 2114.135446][ T74] fib6_nh_init+0x3d8/0x1580 [ 2114.135446][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2114.135446][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2114.135446][ T74] ipv6_add_addr+0x411/0x2000 [ 2114.135446][ T74] inet6_addr_add+0x30e/0xa40 [ 2114.135446][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2114.135446][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2114.135446][ T74] netlink_rcv_skb+0x130/0x360 [ 2114.135446][ T74] netlink_unicast+0x449/0x710 [ 2114.135446][ T74] netlink_sendmsg+0x723/0xbe0 [ 2114.135446][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2114.135446][ T74] ___sys_sendmsg+0xee/0x170 [ 2114.135446][ T74] __sys_sendmsg+0xcd/0x170 [ 2114.135446][ T74] do_syscall_64+0xc6/0x1e0 [ 2114.135446][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2114.135446][ T74] [ 2114.137664][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2114.137664][ T74] netdev_get_by_index+0x5e/0x80 [ 2114.137664][ T74] fib6_nh_init+0x3d8/0x1580 [ 2114.137664][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2114.137664][ T74] ip6_route_add+0x1c/0x140 [ 2114.137664][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2114.137664][ T74] addrconf_add_dev+0xe2/0x170 [ 2114.137664][ T74] inet6_addr_add+0x12f/0xa40 [ 2114.137664][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2114.137664][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2114.137664][ T74] netlink_rcv_skb+0x130/0x360 [ 2114.137664][ T74] netlink_unicast+0x449/0x710 [ 2114.137664][ T74] netlink_sendmsg+0x723/0xbe0 [ 2114.137664][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2114.137664][ T74] ___sys_sendmsg+0xee/0x170 [ 2114.137664][ T74] __sys_sendmsg+0xcd/0x170 [ 2114.137664][ T74] do_syscall_64+0xc6/0x1e0 [ 2114.137664][ T74] [ 2114.139851][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2114.139851][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2114.139851][ T74] ipv6_find_idev+0x102/0x170 [ 2114.139851][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2114.139851][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2114.139851][ T74] netlink_rcv_skb+0x130/0x360 [ 2114.139851][ T74] netlink_unicast+0x449/0x710 [ 2114.139851][ T74] netlink_sendmsg+0x723/0xbe0 [ 2114.139851][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2114.139851][ T74] ___sys_sendmsg+0xee/0x170 [ 2114.139851][ T74] __sys_sendmsg+0xcd/0x170 [ 2114.139851][ T74] do_syscall_64+0xc6/0x1e0 [ 2114.139851][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2114.139851][ T74] [ 2114.141677][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2114.141677][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2114.141677][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2114.141677][ T74] ipv6_find_idev+0x102/0x170 [ 2114.141677][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2114.141677][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2114.141677][ T74] netlink_rcv_skb+0x130/0x360 [ 2114.141677][ T74] netlink_unicast+0x449/0x710 [ 2114.141677][ T74] netlink_sendmsg+0x723/0xbe0 [ 2114.141677][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2114.141677][ T74] ___sys_sendmsg+0xee/0x170 [ 2114.141677][ T74] __sys_sendmsg+0xcd/0x170 [ 2114.141677][ T74] do_syscall_64+0xc6/0x1e0 [ 2114.141677][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2114.141677][ T74] [ 2114.143711][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2114.144042][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2114.144042][ T74] netdev_get_by_index+0x5e/0x80 [ 2114.144042][ T74] fib6_nh_init+0x3d8/0x1580 [ 2114.144042][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2114.144042][ T74] ip6_route_add+0x1c/0x140 [ 2114.144042][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2114.144042][ T74] inet6_addr_add+0x4f8/0xa40 [ 2114.144042][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2114.144042][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2114.144042][ T74] netlink_rcv_skb+0x130/0x360 [ 2114.144042][ T74] netlink_unicast+0x449/0x710 [ 2114.144042][ T74] netlink_sendmsg+0x723/0xbe0 [ 2114.144042][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2114.144042][ T74] ___sys_sendmsg+0xee/0x170 [ 2114.144042][ T74] __sys_sendmsg+0xcd/0x170 [ 2114.144042][ T74] do_syscall_64+0xc6/0x1e0 [ 2114.144042][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2114.144042][ T74] [ 2114.146494][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2114.146494][ T74] netdev_get_by_index+0x5e/0x80 [ 2114.146494][ T74] fib6_nh_init+0x3d8/0x1580 [ 2114.146494][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2114.146494][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2114.146494][ T74] ipv6_add_addr+0x411/0x2000 [ 2114.146494][ T74] inet6_addr_add+0x30e/0xa40 [ 2114.146494][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2114.146494][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2114.146494][ T74] netlink_rcv_skb+0x130/0x360 [ 2114.146494][ T74] netlink_unicast+0x449/0x710 [ 2114.146494][ T74] netlink_sendmsg+0x723/0xbe0 [ 2114.146494][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2114.146494][ T74] ___sys_sendmsg+0xee/0x170 [ 2114.146494][ T74] __sys_sendmsg+0xcd/0x170 [ 2114.146494][ T74] do_syscall_64+0xc6/0x1e0 [ 2114.146494][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2114.146494][ T74] [ 2114.148974][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2114.148974][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2114.148974][ T74] ipv6_find_idev+0x102/0x170 [ 2114.148974][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2114.148974][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2114.148974][ T74] netlink_rcv_skb+0x130/0x360 [ 2114.148974][ T74] netlink_unicast+0x449/0x710 [ 2114.148974][ T74] netlink_sendmsg+0x723/0xbe0 [ 2114.148974][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2114.148974][ T74] ___sys_sendmsg+0xee/0x170 [ 2114.148974][ T74] __sys_sendmsg+0xcd/0x170 [ 2114.148974][ T74] do_syscall_64+0xc6/0x1e0 [ 2114.148974][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2114.148974][ T74] [ 2114.150851][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2114.150851][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2114.150851][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2114.150851][ T74] ipv6_find_idev+0x102/0x170 [ 2114.150851][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2114.150851][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2114.150851][ T74] netlink_rcv_skb+0x130/0x360 [ 2114.150851][ T74] netlink_unicast+0x449/0x710 [ 2114.150851][ T74] netlink_sendmsg+0x723/0xbe0 [ 2114.150851][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2114.150851][ T74] ___sys_sendmsg+0xee/0x170 [ 2114.150851][ T74] __sys_sendmsg+0xcd/0x170 [ 2114.150851][ T74] do_syscall_64+0xc6/0x1e0 [ 2114.150851][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2114.150851][ T74] [ 2124.392015][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2124.392544][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2124.392544][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2124.392544][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2124.392544][ T74] fib6_nh_init+0xa22/0x1580 [ 2124.392544][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2124.392544][ T74] ip6_route_add+0x1c/0x140 [ 2124.392544][ T74] inet6_rtm_newroute+0x104/0x110 [ 2124.392544][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2124.392544][ T74] netlink_rcv_skb+0x130/0x360 [ 2124.392544][ T74] netlink_unicast+0x449/0x710 [ 2124.392544][ T74] netlink_sendmsg+0x723/0xbe0 [ 2124.392544][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2124.392544][ T74] ___sys_sendmsg+0xee/0x170 [ 2124.392544][ T74] __sys_sendmsg+0xcd/0x170 [ 2124.392544][ T74] do_syscall_64+0xc6/0x1e0 [ 2124.392544][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2124.392544][ T74] [ 2124.394645][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2124.394645][ T74] netdev_get_by_index+0x5e/0x80 [ 2124.394645][ T74] fib6_nh_init+0x3d8/0x1580 [ 2124.394645][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2124.394645][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2124.394645][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2124.394645][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2124.394645][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2124.394645][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2124.394645][ T74] addrconf_dad_begin+0x310/0x670 [ 2124.394645][ T74] addrconf_dad_work+0x10b/0xab0 [ 2124.394645][ T74] process_one_work+0x84d/0x18a0 [ 2124.394645][ T74] worker_thread+0x587/0xd30 [ 2124.394645][ T74] kthread+0x28a/0x350 [ 2124.394645][ T74] ret_from_fork+0x31/0x70 [ 2124.394645][ T74] ret_from_fork_asm+0x1a/0x30 [ 2124.394645][ T74] [ 2124.396759][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2124.396759][ T74] netdev_get_by_index+0x5e/0x80 [ 2124.396759][ T74] fib6_nh_init+0x3d8/0x1580 [ 2124.396759][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2124.396759][ T74] ip6_route_add+0x1c/0x140 [ 2124.396759][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2124.396759][ T74] inet6_addr_add+0x4f8/0xa40 [ 2124.396759][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2124.396759][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2124.396759][ T74] netlink_rcv_skb+0x130/0x360 [ 2124.396759][ T74] netlink_unicast+0x449/0x710 [ 2124.396759][ T74] netlink_sendmsg+0x723/0xbe0 [ 2124.396759][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2124.396759][ T74] ___sys_sendmsg+0xee/0x170 [ 2124.396759][ T74] __sys_sendmsg+0xcd/0x170 [ 2124.396759][ T74] do_syscall_64+0xc6/0x1e0 [ 2124.396759][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2124.396759][ T74] [ 2124.399087][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2124.399087][ T74] netdev_get_by_index+0x5e/0x80 [ 2124.399087][ T74] fib6_nh_init+0x3d8/0x1580 [ 2124.399087][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2124.399087][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2124.399087][ T74] ipv6_add_addr+0x411/0x2000 [ 2124.399087][ T74] inet6_addr_add+0x30e/0xa40 [ 2124.399087][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2124.399087][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2124.399087][ T74] netlink_rcv_skb+0x130/0x360 [ 2124.399087][ T74] netlink_unicast+0x449/0x710 [ 2124.399087][ T74] netlink_sendmsg+0x723/0xbe0 [ 2124.399087][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2124.399087][ T74] ___sys_sendmsg+0xee/0x170 [ 2124.399087][ T74] __sys_sendmsg+0xcd/0x170 [ 2124.399087][ T74] do_syscall_64+0xc6/0x1e0 [ 2124.399087][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2124.399087][ T74] [ 2124.401316][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2124.401316][ T74] netdev_get_by_index+0x5e/0x80 [ 2124.401316][ T74] fib6_nh_init+0x3d8/0x1580 [ 2124.401316][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2124.401316][ T74] ip6_route_add+0x1c/0x140 [ 2124.401316][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2124.401316][ T74] addrconf_add_dev+0xe2/0x170 [ 2124.401316][ T74] inet6_addr_add+0x12f/0xa40 [ 2124.401316][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2124.401316][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2124.401316][ T74] netlink_rcv_skb+0x130/0x360 [ 2124.401316][ T74] netlink_unicast+0x449/0x710 [ 2124.401316][ T74] netlink_sendmsg+0x723/0xbe0 [ 2124.401316][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2124.401316][ T74] ___sys_sendmsg+0xee/0x170 [ 2124.401316][ T74] __sys_sendmsg+0xcd/0x170 [ 2124.401316][ T74] do_syscall_64+0xc6/0x1e0 [ 2124.401316][ T74] [ 2124.403479][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2124.403479][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2124.403479][ T74] ipv6_find_idev+0x102/0x170 [ 2124.403479][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2124.403479][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2124.403479][ T74] netlink_rcv_skb+0x130/0x360 [ 2124.403479][ T74] netlink_unicast+0x449/0x710 [ 2124.403479][ T74] netlink_sendmsg+0x723/0xbe0 [ 2124.403479][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2124.403479][ T74] ___sys_sendmsg+0xee/0x170 [ 2124.403479][ T74] __sys_sendmsg+0xcd/0x170 [ 2124.403479][ T74] do_syscall_64+0xc6/0x1e0 [ 2124.403479][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2124.403479][ T74] [ 2124.405184][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2124.405184][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2124.405184][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2124.405184][ T74] ipv6_find_idev+0x102/0x170 [ 2124.405184][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2124.405184][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2124.405184][ T74] netlink_rcv_skb+0x130/0x360 [ 2124.405184][ T74] netlink_unicast+0x449/0x710 [ 2124.405184][ T74] netlink_sendmsg+0x723/0xbe0 [ 2124.405184][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2124.405184][ T74] ___sys_sendmsg+0xee/0x170 [ 2124.405184][ T74] __sys_sendmsg+0xcd/0x170 [ 2124.405184][ T74] do_syscall_64+0xc6/0x1e0 [ 2124.405184][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2124.405184][ T74] [ 2124.407071][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2124.407367][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2124.407367][ T74] dst_init+0x84/0x4a0 [ 2124.407367][ T74] dst_alloc+0x97/0x150 [ 2124.407367][ T74] ip6_dst_alloc+0x23/0x90 [ 2124.407367][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2124.407367][ T74] ip6_pol_route+0x56f/0x840 [ 2124.407367][ T74] fib6_rule_lookup+0x456/0x630 [ 2124.407367][ T74] ip6_route_input+0x59c/0xa50 [ 2124.407367][ T74] ipv6_rcv+0x397/0x810 [ 2124.407367][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2124.407367][ T74] process_backlog+0x101/0x620 [ 2124.407367][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2124.407367][ T74] net_rx_action+0x495/0xbe0 [ 2124.407367][ T74] __do_softirq+0x1b5/0x7f6 [ 2124.407367][ T74] [ 2124.409192][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2124.409192][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2124.409192][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2124.409192][ T74] fib6_nh_init+0xa22/0x1580 [ 2124.409192][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2124.409192][ T74] ip6_route_add+0x1c/0x140 [ 2124.409192][ T74] inet6_rtm_newroute+0x104/0x110 [ 2124.409192][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2124.409192][ T74] netlink_rcv_skb+0x130/0x360 [ 2124.409192][ T74] netlink_unicast+0x449/0x710 [ 2124.409192][ T74] netlink_sendmsg+0x723/0xbe0 [ 2124.409192][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2124.409192][ T74] ___sys_sendmsg+0xee/0x170 [ 2124.409192][ T74] __sys_sendmsg+0xcd/0x170 [ 2124.409192][ T74] do_syscall_64+0xc6/0x1e0 [ 2124.409192][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2124.409192][ T74] [ 2124.411305][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2124.411305][ T74] netdev_get_by_index+0x5e/0x80 [ 2124.411305][ T74] fib6_nh_init+0x3d8/0x1580 [ 2124.411305][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2124.411305][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2124.411305][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2124.411305][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2124.411305][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2124.411305][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2124.411305][ T74] addrconf_dad_begin+0x310/0x670 [ 2124.411305][ T74] addrconf_dad_work+0x10b/0xab0 [ 2124.411305][ T74] process_one_work+0x84d/0x18a0 [ 2124.411305][ T74] worker_thread+0x587/0xd30 [ 2124.411305][ T74] kthread+0x28a/0x350 [ 2124.411305][ T74] ret_from_fork+0x31/0x70 [ 2124.411305][ T74] ret_from_fork_asm+0x1a/0x30 [ 2124.411305][ T74] [ 2124.413436][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2124.413436][ T74] netdev_get_by_index+0x5e/0x80 [ 2124.413436][ T74] fib6_nh_init+0x3d8/0x1580 [ 2124.413436][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2124.413436][ T74] ip6_route_add+0x1c/0x140 [ 2124.413436][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2124.413436][ T74] inet6_addr_add+0x4f8/0xa40 [ 2124.413436][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2124.413436][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2124.413436][ T74] netlink_rcv_skb+0x130/0x360 [ 2124.413436][ T74] netlink_unicast+0x449/0x710 [ 2124.413436][ T74] netlink_sendmsg+0x723/0xbe0 [ 2124.413436][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2124.413436][ T74] ___sys_sendmsg+0xee/0x170 [ 2124.413436][ T74] __sys_sendmsg+0xcd/0x170 [ 2124.413436][ T74] do_syscall_64+0xc6/0x1e0 [ 2124.413436][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2124.413436][ T74] [ 2124.415669][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2124.415669][ T74] netdev_get_by_index+0x5e/0x80 [ 2124.415669][ T74] fib6_nh_init+0x3d8/0x1580 [ 2124.415669][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2124.415669][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2124.415669][ T74] ipv6_add_addr+0x411/0x2000 [ 2124.415669][ T74] inet6_addr_add+0x30e/0xa40 [ 2124.415669][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2124.415669][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2124.415669][ T74] netlink_rcv_skb+0x130/0x360 [ 2124.415669][ T74] netlink_unicast+0x449/0x710 [ 2124.415669][ T74] netlink_sendmsg+0x723/0xbe0 [ 2124.415669][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2124.415669][ T74] ___sys_sendmsg+0xee/0x170 [ 2124.415669][ T74] __sys_sendmsg+0xcd/0x170 [ 2124.415669][ T74] do_syscall_64+0xc6/0x1e0 [ 2124.415669][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2124.415669][ T74] [ 2124.417901][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2124.417901][ T74] netdev_get_by_index+0x5e/0x80 [ 2124.417901][ T74] fib6_nh_init+0x3d8/0x1580 [ 2124.417901][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2124.417901][ T74] ip6_route_add+0x1c/0x140 [ 2124.417901][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2124.417901][ T74] addrconf_add_dev+0xe2/0x170 [ 2124.417901][ T74] inet6_addr_add+0x12f/0xa40 [ 2124.417901][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2124.417901][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2124.417901][ T74] netlink_rcv_skb+0x130/0x360 [ 2124.417901][ T74] netlink_unicast+0x449/0x710 [ 2124.417901][ T74] netlink_sendmsg+0x723/0xbe0 [ 2124.417901][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2124.417901][ T74] ___sys_sendmsg+0xee/0x170 [ 2124.417901][ T74] __sys_sendmsg+0xcd/0x170 [ 2124.417901][ T74] do_syscall_64+0xc6/0x1e0 [ 2124.417901][ T74] [ 2124.420103][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2124.420103][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2124.420103][ T74] ipv6_find_idev+0x102/0x170 [ 2124.420103][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2124.420103][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2124.420103][ T74] netlink_rcv_skb+0x130/0x360 [ 2124.420103][ T74] netlink_unicast+0x449/0x710 [ 2124.420103][ T74] netlink_sendmsg+0x723/0xbe0 [ 2124.420103][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2124.420103][ T74] ___sys_sendmsg+0xee/0x170 [ 2124.420103][ T74] __sys_sendmsg+0xcd/0x170 [ 2124.420103][ T74] do_syscall_64+0xc6/0x1e0 [ 2124.420103][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2124.420103][ T74] [ 2124.421937][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2124.421937][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2124.421937][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2124.421937][ T74] ipv6_find_idev+0x102/0x170 [ 2124.421937][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2124.421937][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2124.421937][ T74] netlink_rcv_skb+0x130/0x360 [ 2124.421937][ T74] netlink_unicast+0x449/0x710 [ 2124.421937][ T74] netlink_sendmsg+0x723/0xbe0 [ 2124.421937][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2124.421937][ T74] ___sys_sendmsg+0xee/0x170 [ 2124.421937][ T74] __sys_sendmsg+0xcd/0x170 [ 2124.421937][ T74] do_syscall_64+0xc6/0x1e0 [ 2124.421937][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2124.421937][ T74] [ 2124.423942][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2124.424263][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2124.424263][ T74] netdev_get_by_index+0x5e/0x80 [ 2124.424263][ T74] fib6_nh_init+0x3d8/0x1580 [ 2124.424263][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2124.424263][ T74] ip6_route_add+0x1c/0x140 [ 2124.424263][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2124.424263][ T74] inet6_addr_add+0x4f8/0xa40 [ 2124.424263][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2124.424263][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2124.424263][ T74] netlink_rcv_skb+0x130/0x360 [ 2124.424263][ T74] netlink_unicast+0x449/0x710 [ 2124.424263][ T74] netlink_sendmsg+0x723/0xbe0 [ 2124.424263][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2124.424263][ T74] ___sys_sendmsg+0xee/0x170 [ 2124.424263][ T74] __sys_sendmsg+0xcd/0x170 [ 2124.424263][ T74] do_syscall_64+0xc6/0x1e0 [ 2124.424263][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2124.424263][ T74] [ 2124.426687][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2124.426687][ T74] netdev_get_by_index+0x5e/0x80 [ 2124.426687][ T74] fib6_nh_init+0x3d8/0x1580 [ 2124.426687][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2124.426687][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2124.426687][ T74] ipv6_add_addr+0x411/0x2000 [ 2124.426687][ T74] inet6_addr_add+0x30e/0xa40 [ 2124.426687][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2124.426687][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2124.426687][ T74] netlink_rcv_skb+0x130/0x360 [ 2124.426687][ T74] netlink_unicast+0x449/0x710 [ 2124.426687][ T74] netlink_sendmsg+0x723/0xbe0 [ 2124.426687][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2124.426687][ T74] ___sys_sendmsg+0xee/0x170 [ 2124.426687][ T74] __sys_sendmsg+0xcd/0x170 [ 2124.426687][ T74] do_syscall_64+0xc6/0x1e0 [ 2124.426687][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2124.426687][ T74] [ 2124.429174][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2124.429174][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2124.429174][ T74] ipv6_find_idev+0x102/0x170 [ 2124.429174][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2124.429174][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2124.429174][ T74] netlink_rcv_skb+0x130/0x360 [ 2124.429174][ T74] netlink_unicast+0x449/0x710 [ 2124.429174][ T74] netlink_sendmsg+0x723/0xbe0 [ 2124.429174][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2124.429174][ T74] ___sys_sendmsg+0xee/0x170 [ 2124.429174][ T74] __sys_sendmsg+0xcd/0x170 [ 2124.429174][ T74] do_syscall_64+0xc6/0x1e0 [ 2124.429174][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2124.429174][ T74] [ 2124.431132][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2124.431132][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2124.431132][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2124.431132][ T74] ipv6_find_idev+0x102/0x170 [ 2124.431132][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2124.431132][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2124.431132][ T74] netlink_rcv_skb+0x130/0x360 [ 2124.431132][ T74] netlink_unicast+0x449/0x710 [ 2124.431132][ T74] netlink_sendmsg+0x723/0xbe0 [ 2124.431132][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2124.431132][ T74] ___sys_sendmsg+0xee/0x170 [ 2124.431132][ T74] __sys_sendmsg+0xcd/0x170 [ 2124.431132][ T74] do_syscall_64+0xc6/0x1e0 [ 2124.431132][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2124.431132][ T74] [ 2134.671947][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2134.672399][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2134.672399][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2134.672399][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2134.672399][ T74] fib6_nh_init+0xa22/0x1580 [ 2134.672399][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2134.672399][ T74] ip6_route_add+0x1c/0x140 [ 2134.672399][ T74] inet6_rtm_newroute+0x104/0x110 [ 2134.672399][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2134.672399][ T74] netlink_rcv_skb+0x130/0x360 [ 2134.672399][ T74] netlink_unicast+0x449/0x710 [ 2134.672399][ T74] netlink_sendmsg+0x723/0xbe0 [ 2134.672399][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2134.672399][ T74] ___sys_sendmsg+0xee/0x170 [ 2134.672399][ T74] __sys_sendmsg+0xcd/0x170 [ 2134.672399][ T74] do_syscall_64+0xc6/0x1e0 [ 2134.672399][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2134.672399][ T74] [ 2134.674462][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2134.674462][ T74] netdev_get_by_index+0x5e/0x80 [ 2134.674462][ T74] fib6_nh_init+0x3d8/0x1580 [ 2134.674462][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2134.674462][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2134.674462][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2134.674462][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2134.674462][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2134.674462][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2134.674462][ T74] addrconf_dad_begin+0x310/0x670 [ 2134.674462][ T74] addrconf_dad_work+0x10b/0xab0 [ 2134.674462][ T74] process_one_work+0x84d/0x18a0 [ 2134.674462][ T74] worker_thread+0x587/0xd30 [ 2134.674462][ T74] kthread+0x28a/0x350 [ 2134.674462][ T74] ret_from_fork+0x31/0x70 [ 2134.674462][ T74] ret_from_fork_asm+0x1a/0x30 [ 2134.674462][ T74] [ 2134.676560][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2134.676560][ T74] netdev_get_by_index+0x5e/0x80 [ 2134.676560][ T74] fib6_nh_init+0x3d8/0x1580 [ 2134.676560][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2134.676560][ T74] ip6_route_add+0x1c/0x140 [ 2134.676560][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2134.676560][ T74] inet6_addr_add+0x4f8/0xa40 [ 2134.676560][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2134.676560][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2134.676560][ T74] netlink_rcv_skb+0x130/0x360 [ 2134.676560][ T74] netlink_unicast+0x449/0x710 [ 2134.676560][ T74] netlink_sendmsg+0x723/0xbe0 [ 2134.676560][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2134.676560][ T74] ___sys_sendmsg+0xee/0x170 [ 2134.676560][ T74] __sys_sendmsg+0xcd/0x170 [ 2134.676560][ T74] do_syscall_64+0xc6/0x1e0 [ 2134.676560][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2134.676560][ T74] [ 2134.678811][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2134.678811][ T74] netdev_get_by_index+0x5e/0x80 [ 2134.678811][ T74] fib6_nh_init+0x3d8/0x1580 [ 2134.678811][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2134.678811][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2134.678811][ T74] ipv6_add_addr+0x411/0x2000 [ 2134.678811][ T74] inet6_addr_add+0x30e/0xa40 [ 2134.678811][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2134.678811][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2134.678811][ T74] netlink_rcv_skb+0x130/0x360 [ 2134.678811][ T74] netlink_unicast+0x449/0x710 [ 2134.678811][ T74] netlink_sendmsg+0x723/0xbe0 [ 2134.678811][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2134.678811][ T74] ___sys_sendmsg+0xee/0x170 [ 2134.678811][ T74] __sys_sendmsg+0xcd/0x170 [ 2134.678811][ T74] do_syscall_64+0xc6/0x1e0 [ 2134.678811][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2134.678811][ T74] [ 2134.681028][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2134.681028][ T74] netdev_get_by_index+0x5e/0x80 [ 2134.681028][ T74] fib6_nh_init+0x3d8/0x1580 [ 2134.681028][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2134.681028][ T74] ip6_route_add+0x1c/0x140 [ 2134.681028][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2134.681028][ T74] addrconf_add_dev+0xe2/0x170 [ 2134.681028][ T74] inet6_addr_add+0x12f/0xa40 [ 2134.681028][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2134.681028][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2134.681028][ T74] netlink_rcv_skb+0x130/0x360 [ 2134.681028][ T74] netlink_unicast+0x449/0x710 [ 2134.681028][ T74] netlink_sendmsg+0x723/0xbe0 [ 2134.681028][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2134.681028][ T74] ___sys_sendmsg+0xee/0x170 [ 2134.681028][ T74] __sys_sendmsg+0xcd/0x170 [ 2134.681028][ T74] do_syscall_64+0xc6/0x1e0 [ 2134.681028][ T74] [ 2134.683197][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2134.683197][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2134.683197][ T74] ipv6_find_idev+0x102/0x170 [ 2134.683197][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2134.683197][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2134.683197][ T74] netlink_rcv_skb+0x130/0x360 [ 2134.683197][ T74] netlink_unicast+0x449/0x710 [ 2134.683197][ T74] netlink_sendmsg+0x723/0xbe0 [ 2134.683197][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2134.683197][ T74] ___sys_sendmsg+0xee/0x170 [ 2134.683197][ T74] __sys_sendmsg+0xcd/0x170 [ 2134.683197][ T74] do_syscall_64+0xc6/0x1e0 [ 2134.683197][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2134.683197][ T74] [ 2134.684895][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2134.684895][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2134.684895][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2134.684895][ T74] ipv6_find_idev+0x102/0x170 [ 2134.684895][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2134.684895][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2134.684895][ T74] netlink_rcv_skb+0x130/0x360 [ 2134.684895][ T74] netlink_unicast+0x449/0x710 [ 2134.684895][ T74] netlink_sendmsg+0x723/0xbe0 [ 2134.684895][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2134.684895][ T74] ___sys_sendmsg+0xee/0x170 [ 2134.684895][ T74] __sys_sendmsg+0xcd/0x170 [ 2134.684895][ T74] do_syscall_64+0xc6/0x1e0 [ 2134.684895][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2134.684895][ T74] [ 2134.686768][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2134.687079][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2134.687079][ T74] dst_init+0x84/0x4a0 [ 2134.687079][ T74] dst_alloc+0x97/0x150 [ 2134.687079][ T74] ip6_dst_alloc+0x23/0x90 [ 2134.687079][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2134.687079][ T74] ip6_pol_route+0x56f/0x840 [ 2134.687079][ T74] fib6_rule_lookup+0x456/0x630 [ 2134.687079][ T74] ip6_route_input+0x59c/0xa50 [ 2134.687079][ T74] ipv6_rcv+0x397/0x810 [ 2134.687079][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2134.687079][ T74] process_backlog+0x101/0x620 [ 2134.687079][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2134.687079][ T74] net_rx_action+0x495/0xbe0 [ 2134.687079][ T74] __do_softirq+0x1b5/0x7f6 [ 2134.687079][ T74] [ 2134.688921][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2134.688921][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2134.688921][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2134.688921][ T74] fib6_nh_init+0xa22/0x1580 [ 2134.688921][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2134.688921][ T74] ip6_route_add+0x1c/0x140 [ 2134.688921][ T74] inet6_rtm_newroute+0x104/0x110 [ 2134.688921][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2134.688921][ T74] netlink_rcv_skb+0x130/0x360 [ 2134.688921][ T74] netlink_unicast+0x449/0x710 [ 2134.688921][ T74] netlink_sendmsg+0x723/0xbe0 [ 2134.688921][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2134.688921][ T74] ___sys_sendmsg+0xee/0x170 [ 2134.688921][ T74] __sys_sendmsg+0xcd/0x170 [ 2134.688921][ T74] do_syscall_64+0xc6/0x1e0 [ 2134.688921][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2134.688921][ T74] [ 2134.691022][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2134.691022][ T74] netdev_get_by_index+0x5e/0x80 [ 2134.691022][ T74] fib6_nh_init+0x3d8/0x1580 [ 2134.691022][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2134.691022][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2134.691022][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2134.691022][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2134.691022][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2134.691022][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2134.691022][ T74] addrconf_dad_begin+0x310/0x670 [ 2134.691022][ T74] addrconf_dad_work+0x10b/0xab0 [ 2134.691022][ T74] process_one_work+0x84d/0x18a0 [ 2134.691022][ T74] worker_thread+0x587/0xd30 [ 2134.691022][ T74] kthread+0x28a/0x350 [ 2134.691022][ T74] ret_from_fork+0x31/0x70 [ 2134.691022][ T74] ret_from_fork_asm+0x1a/0x30 [ 2134.691022][ T74] [ 2134.693126][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2134.693126][ T74] netdev_get_by_index+0x5e/0x80 [ 2134.693126][ T74] fib6_nh_init+0x3d8/0x1580 [ 2134.693126][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2134.693126][ T74] ip6_route_add+0x1c/0x140 [ 2134.693126][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2134.693126][ T74] inet6_addr_add+0x4f8/0xa40 [ 2134.693126][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2134.693126][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2134.693126][ T74] netlink_rcv_skb+0x130/0x360 [ 2134.693126][ T74] netlink_unicast+0x449/0x710 [ 2134.693126][ T74] netlink_sendmsg+0x723/0xbe0 [ 2134.693126][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2134.693126][ T74] ___sys_sendmsg+0xee/0x170 [ 2134.693126][ T74] __sys_sendmsg+0xcd/0x170 [ 2134.693126][ T74] do_syscall_64+0xc6/0x1e0 [ 2134.693126][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2134.693126][ T74] [ 2134.695380][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2134.695380][ T74] netdev_get_by_index+0x5e/0x80 [ 2134.695380][ T74] fib6_nh_init+0x3d8/0x1580 [ 2134.695380][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2134.695380][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2134.695380][ T74] ipv6_add_addr+0x411/0x2000 [ 2134.695380][ T74] inet6_addr_add+0x30e/0xa40 [ 2134.695380][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2134.695380][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2134.695380][ T74] netlink_rcv_skb+0x130/0x360 [ 2134.695380][ T74] netlink_unicast+0x449/0x710 [ 2134.695380][ T74] netlink_sendmsg+0x723/0xbe0 [ 2134.695380][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2134.695380][ T74] ___sys_sendmsg+0xee/0x170 [ 2134.695380][ T74] __sys_sendmsg+0xcd/0x170 [ 2134.695380][ T74] do_syscall_64+0xc6/0x1e0 [ 2134.695380][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2134.695380][ T74] [ 2134.697591][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2134.697591][ T74] netdev_get_by_index+0x5e/0x80 [ 2134.697591][ T74] fib6_nh_init+0x3d8/0x1580 [ 2134.697591][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2134.697591][ T74] ip6_route_add+0x1c/0x140 [ 2134.697591][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2134.697591][ T74] addrconf_add_dev+0xe2/0x170 [ 2134.697591][ T74] inet6_addr_add+0x12f/0xa40 [ 2134.697591][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2134.697591][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2134.697591][ T74] netlink_rcv_skb+0x130/0x360 [ 2134.697591][ T74] netlink_unicast+0x449/0x710 [ 2134.697591][ T74] netlink_sendmsg+0x723/0xbe0 [ 2134.697591][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2134.697591][ T74] ___sys_sendmsg+0xee/0x170 [ 2134.697591][ T74] __sys_sendmsg+0xcd/0x170 [ 2134.697591][ T74] do_syscall_64+0xc6/0x1e0 [ 2134.697591][ T74] [ 2134.699797][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2134.699797][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2134.699797][ T74] ipv6_find_idev+0x102/0x170 [ 2134.699797][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2134.699797][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2134.699797][ T74] netlink_rcv_skb+0x130/0x360 [ 2134.699797][ T74] netlink_unicast+0x449/0x710 [ 2134.699797][ T74] netlink_sendmsg+0x723/0xbe0 [ 2134.699797][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2134.699797][ T74] ___sys_sendmsg+0xee/0x170 [ 2134.699797][ T74] __sys_sendmsg+0xcd/0x170 [ 2134.699797][ T74] do_syscall_64+0xc6/0x1e0 [ 2134.699797][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2134.699797][ T74] [ 2134.701567][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2134.701567][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2134.701567][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2134.701567][ T74] ipv6_find_idev+0x102/0x170 [ 2134.701567][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2134.701567][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2134.701567][ T74] netlink_rcv_skb+0x130/0x360 [ 2134.701567][ T74] netlink_unicast+0x449/0x710 [ 2134.701567][ T74] netlink_sendmsg+0x723/0xbe0 [ 2134.701567][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2134.701567][ T74] ___sys_sendmsg+0xee/0x170 [ 2134.701567][ T74] __sys_sendmsg+0xcd/0x170 [ 2134.701567][ T74] do_syscall_64+0xc6/0x1e0 [ 2134.701567][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2134.701567][ T74] [ 2134.703611][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2134.704369][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2134.704369][ T74] netdev_get_by_index+0x5e/0x80 [ 2134.704369][ T74] fib6_nh_init+0x3d8/0x1580 [ 2134.704369][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2134.704369][ T74] ip6_route_add+0x1c/0x140 [ 2134.704369][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2134.704369][ T74] inet6_addr_add+0x4f8/0xa40 [ 2134.704369][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2134.704369][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2134.704369][ T74] netlink_rcv_skb+0x130/0x360 [ 2134.704369][ T74] netlink_unicast+0x449/0x710 [ 2134.704369][ T74] netlink_sendmsg+0x723/0xbe0 [ 2134.704369][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2134.704369][ T74] ___sys_sendmsg+0xee/0x170 [ 2134.704369][ T74] __sys_sendmsg+0xcd/0x170 [ 2134.704369][ T74] do_syscall_64+0xc6/0x1e0 [ 2134.704369][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2134.704369][ T74] [ 2134.706564][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2134.706564][ T74] netdev_get_by_index+0x5e/0x80 [ 2134.706564][ T74] fib6_nh_init+0x3d8/0x1580 [ 2134.706564][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2134.706564][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2134.706564][ T74] ipv6_add_addr+0x411/0x2000 [ 2134.706564][ T74] inet6_addr_add+0x30e/0xa40 [ 2134.706564][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2134.706564][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2134.706564][ T74] netlink_rcv_skb+0x130/0x360 [ 2134.706564][ T74] netlink_unicast+0x449/0x710 [ 2134.706564][ T74] netlink_sendmsg+0x723/0xbe0 [ 2134.706564][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2134.706564][ T74] ___sys_sendmsg+0xee/0x170 [ 2134.706564][ T74] __sys_sendmsg+0xcd/0x170 [ 2134.706564][ T74] do_syscall_64+0xc6/0x1e0 [ 2134.706564][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2134.706564][ T74] [ 2134.708851][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2134.708851][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2134.708851][ T74] ipv6_find_idev+0x102/0x170 [ 2134.708851][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2134.708851][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2134.708851][ T74] netlink_rcv_skb+0x130/0x360 [ 2134.708851][ T74] netlink_unicast+0x449/0x710 [ 2134.708851][ T74] netlink_sendmsg+0x723/0xbe0 [ 2134.708851][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2134.708851][ T74] ___sys_sendmsg+0xee/0x170 [ 2134.708851][ T74] __sys_sendmsg+0xcd/0x170 [ 2134.708851][ T74] do_syscall_64+0xc6/0x1e0 [ 2134.708851][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2134.708851][ T74] [ 2134.710722][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2134.710722][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2134.710722][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2134.710722][ T74] ipv6_find_idev+0x102/0x170 [ 2134.710722][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2134.710722][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2134.710722][ T74] netlink_rcv_skb+0x130/0x360 [ 2134.710722][ T74] netlink_unicast+0x449/0x710 [ 2134.710722][ T74] netlink_sendmsg+0x723/0xbe0 [ 2134.710722][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2134.710722][ T74] ___sys_sendmsg+0xee/0x170 [ 2134.710722][ T74] __sys_sendmsg+0xcd/0x170 [ 2134.710722][ T74] do_syscall_64+0xc6/0x1e0 [ 2134.710722][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2134.710722][ T74] [ 2144.848019][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2144.848440][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2144.848440][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2144.848440][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2144.848440][ T74] fib6_nh_init+0xa22/0x1580 [ 2144.848440][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2144.848440][ T74] ip6_route_add+0x1c/0x140 [ 2144.848440][ T74] inet6_rtm_newroute+0x104/0x110 [ 2144.848440][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2144.848440][ T74] netlink_rcv_skb+0x130/0x360 [ 2144.848440][ T74] netlink_unicast+0x449/0x710 [ 2144.848440][ T74] netlink_sendmsg+0x723/0xbe0 [ 2144.848440][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2144.848440][ T74] ___sys_sendmsg+0xee/0x170 [ 2144.848440][ T74] __sys_sendmsg+0xcd/0x170 [ 2144.848440][ T74] do_syscall_64+0xc6/0x1e0 [ 2144.848440][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2144.848440][ T74] [ 2144.850475][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2144.850475][ T74] netdev_get_by_index+0x5e/0x80 [ 2144.850475][ T74] fib6_nh_init+0x3d8/0x1580 [ 2144.850475][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2144.850475][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2144.850475][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2144.850475][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2144.850475][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2144.850475][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2144.850475][ T74] addrconf_dad_begin+0x310/0x670 [ 2144.850475][ T74] addrconf_dad_work+0x10b/0xab0 [ 2144.850475][ T74] process_one_work+0x84d/0x18a0 [ 2144.850475][ T74] worker_thread+0x587/0xd30 [ 2144.850475][ T74] kthread+0x28a/0x350 [ 2144.850475][ T74] ret_from_fork+0x31/0x70 [ 2144.850475][ T74] ret_from_fork_asm+0x1a/0x30 [ 2144.850475][ T74] [ 2144.852511][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2144.852511][ T74] netdev_get_by_index+0x5e/0x80 [ 2144.852511][ T74] fib6_nh_init+0x3d8/0x1580 [ 2144.852511][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2144.852511][ T74] ip6_route_add+0x1c/0x140 [ 2144.852511][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2144.852511][ T74] inet6_addr_add+0x4f8/0xa40 [ 2144.852511][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2144.852511][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2144.852511][ T74] netlink_rcv_skb+0x130/0x360 [ 2144.852511][ T74] netlink_unicast+0x449/0x710 [ 2144.852511][ T74] netlink_sendmsg+0x723/0xbe0 [ 2144.852511][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2144.852511][ T74] ___sys_sendmsg+0xee/0x170 [ 2144.852511][ T74] __sys_sendmsg+0xcd/0x170 [ 2144.852511][ T74] do_syscall_64+0xc6/0x1e0 [ 2144.852511][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2144.852511][ T74] [ 2144.854511][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2144.854511][ T74] netdev_get_by_index+0x5e/0x80 [ 2144.854511][ T74] fib6_nh_init+0x3d8/0x1580 [ 2144.854511][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2144.854511][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2144.854511][ T74] ipv6_add_addr+0x411/0x2000 [ 2144.854511][ T74] inet6_addr_add+0x30e/0xa40 [ 2144.854511][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2144.854511][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2144.854511][ T74] netlink_rcv_skb+0x130/0x360 [ 2144.854511][ T74] netlink_unicast+0x449/0x710 [ 2144.854511][ T74] netlink_sendmsg+0x723/0xbe0 [ 2144.854511][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2144.854511][ T74] ___sys_sendmsg+0xee/0x170 [ 2144.854511][ T74] __sys_sendmsg+0xcd/0x170 [ 2144.854511][ T74] do_syscall_64+0xc6/0x1e0 [ 2144.854511][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2144.854511][ T74] [ 2144.856518][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2144.856518][ T74] netdev_get_by_index+0x5e/0x80 [ 2144.856518][ T74] fib6_nh_init+0x3d8/0x1580 [ 2144.856518][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2144.856518][ T74] ip6_route_add+0x1c/0x140 [ 2144.856518][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2144.856518][ T74] addrconf_add_dev+0xe2/0x170 [ 2144.856518][ T74] inet6_addr_add+0x12f/0xa40 [ 2144.856518][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2144.856518][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2144.856518][ T74] netlink_rcv_skb+0x130/0x360 [ 2144.856518][ T74] netlink_unicast+0x449/0x710 [ 2144.856518][ T74] netlink_sendmsg+0x723/0xbe0 [ 2144.856518][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2144.856518][ T74] ___sys_sendmsg+0xee/0x170 [ 2144.856518][ T74] __sys_sendmsg+0xcd/0x170 [ 2144.856518][ T74] do_syscall_64+0xc6/0x1e0 [ 2144.856518][ T74] [ 2144.858483][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2144.858483][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2144.858483][ T74] ipv6_find_idev+0x102/0x170 [ 2144.858483][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2144.858483][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2144.858483][ T74] netlink_rcv_skb+0x130/0x360 [ 2144.858483][ T74] netlink_unicast+0x449/0x710 [ 2144.858483][ T74] netlink_sendmsg+0x723/0xbe0 [ 2144.858483][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2144.858483][ T74] ___sys_sendmsg+0xee/0x170 [ 2144.858483][ T74] __sys_sendmsg+0xcd/0x170 [ 2144.858483][ T74] do_syscall_64+0xc6/0x1e0 [ 2144.858483][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2144.858483][ T74] [ 2144.860036][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2144.860036][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2144.860036][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2144.860036][ T74] ipv6_find_idev+0x102/0x170 [ 2144.860036][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2144.860036][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2144.860036][ T74] netlink_rcv_skb+0x130/0x360 [ 2144.860036][ T74] netlink_unicast+0x449/0x710 [ 2144.860036][ T74] netlink_sendmsg+0x723/0xbe0 [ 2144.860036][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2144.860036][ T74] ___sys_sendmsg+0xee/0x170 [ 2144.860036][ T74] __sys_sendmsg+0xcd/0x170 [ 2144.860036][ T74] do_syscall_64+0xc6/0x1e0 [ 2144.860036][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2144.860036][ T74] [ 2144.861725][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2144.862034][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2144.862034][ T74] dst_init+0x84/0x4a0 [ 2144.862034][ T74] dst_alloc+0x97/0x150 [ 2144.862034][ T74] ip6_dst_alloc+0x23/0x90 [ 2144.862034][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2144.862034][ T74] ip6_pol_route+0x56f/0x840 [ 2144.862034][ T74] fib6_rule_lookup+0x456/0x630 [ 2144.862034][ T74] ip6_route_input+0x59c/0xa50 [ 2144.862034][ T74] ipv6_rcv+0x397/0x810 [ 2144.862034][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2144.862034][ T74] process_backlog+0x101/0x620 [ 2144.862034][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2144.862034][ T74] net_rx_action+0x495/0xbe0 [ 2144.862034][ T74] __do_softirq+0x1b5/0x7f6 [ 2144.862034][ T74] [ 2144.863685][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2144.863685][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2144.863685][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2144.863685][ T74] fib6_nh_init+0xa22/0x1580 [ 2144.863685][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2144.863685][ T74] ip6_route_add+0x1c/0x140 [ 2144.863685][ T74] inet6_rtm_newroute+0x104/0x110 [ 2144.863685][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2144.863685][ T74] netlink_rcv_skb+0x130/0x360 [ 2144.863685][ T74] netlink_unicast+0x449/0x710 [ 2144.863685][ T74] netlink_sendmsg+0x723/0xbe0 [ 2144.863685][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2144.863685][ T74] ___sys_sendmsg+0xee/0x170 [ 2144.863685][ T74] __sys_sendmsg+0xcd/0x170 [ 2144.863685][ T74] do_syscall_64+0xc6/0x1e0 [ 2144.863685][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2144.863685][ T74] [ 2144.866115][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2144.866115][ T74] netdev_get_by_index+0x5e/0x80 [ 2144.866115][ T74] fib6_nh_init+0x3d8/0x1580 [ 2144.866115][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2144.866115][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2144.866115][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2144.866115][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2144.866115][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2144.866115][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2144.866115][ T74] addrconf_dad_begin+0x310/0x670 [ 2144.866115][ T74] addrconf_dad_work+0x10b/0xab0 [ 2144.866115][ T74] process_one_work+0x84d/0x18a0 [ 2144.866115][ T74] worker_thread+0x587/0xd30 [ 2144.866115][ T74] kthread+0x28a/0x350 [ 2144.866115][ T74] ret_from_fork+0x31/0x70 [ 2144.866115][ T74] ret_from_fork_asm+0x1a/0x30 [ 2144.866115][ T74] [ 2144.868032][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2144.868032][ T74] netdev_get_by_index+0x5e/0x80 [ 2144.868032][ T74] fib6_nh_init+0x3d8/0x1580 [ 2144.868032][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2144.868032][ T74] ip6_route_add+0x1c/0x140 [ 2144.868032][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2144.868032][ T74] inet6_addr_add+0x4f8/0xa40 [ 2144.868032][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2144.868032][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2144.868032][ T74] netlink_rcv_skb+0x130/0x360 [ 2144.868032][ T74] netlink_unicast+0x449/0x710 [ 2144.868032][ T74] netlink_sendmsg+0x723/0xbe0 [ 2144.868032][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2144.868032][ T74] ___sys_sendmsg+0xee/0x170 [ 2144.868032][ T74] __sys_sendmsg+0xcd/0x170 [ 2144.868032][ T74] do_syscall_64+0xc6/0x1e0 [ 2144.868032][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2144.868032][ T74] [ 2144.870042][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2144.870042][ T74] netdev_get_by_index+0x5e/0x80 [ 2144.870042][ T74] fib6_nh_init+0x3d8/0x1580 [ 2144.870042][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2144.870042][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2144.870042][ T74] ipv6_add_addr+0x411/0x2000 [ 2144.870042][ T74] inet6_addr_add+0x30e/0xa40 [ 2144.870042][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2144.870042][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2144.870042][ T74] netlink_rcv_skb+0x130/0x360 [ 2144.870042][ T74] netlink_unicast+0x449/0x710 [ 2144.870042][ T74] netlink_sendmsg+0x723/0xbe0 [ 2144.870042][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2144.870042][ T74] ___sys_sendmsg+0xee/0x170 [ 2144.870042][ T74] __sys_sendmsg+0xcd/0x170 [ 2144.870042][ T74] do_syscall_64+0xc6/0x1e0 [ 2144.870042][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2144.870042][ T74] [ 2144.872046][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2144.872046][ T74] netdev_get_by_index+0x5e/0x80 [ 2144.872046][ T74] fib6_nh_init+0x3d8/0x1580 [ 2144.872046][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2144.872046][ T74] ip6_route_add+0x1c/0x140 [ 2144.872046][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2144.872046][ T74] addrconf_add_dev+0xe2/0x170 [ 2144.872046][ T74] inet6_addr_add+0x12f/0xa40 [ 2144.872046][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2144.872046][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2144.872046][ T74] netlink_rcv_skb+0x130/0x360 [ 2144.872046][ T74] netlink_unicast+0x449/0x710 [ 2144.872046][ T74] netlink_sendmsg+0x723/0xbe0 [ 2144.872046][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2144.872046][ T74] ___sys_sendmsg+0xee/0x170 [ 2144.872046][ T74] __sys_sendmsg+0xcd/0x170 [ 2144.872046][ T74] do_syscall_64+0xc6/0x1e0 [ 2144.872046][ T74] [ 2144.874011][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2144.874011][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2144.874011][ T74] ipv6_find_idev+0x102/0x170 [ 2144.874011][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2144.874011][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2144.874011][ T74] netlink_rcv_skb+0x130/0x360 [ 2144.874011][ T74] netlink_unicast+0x449/0x710 [ 2144.874011][ T74] netlink_sendmsg+0x723/0xbe0 [ 2144.874011][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2144.874011][ T74] ___sys_sendmsg+0xee/0x170 [ 2144.874011][ T74] __sys_sendmsg+0xcd/0x170 [ 2144.874011][ T74] do_syscall_64+0xc6/0x1e0 [ 2144.874011][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2144.874011][ T74] [ 2144.876101][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2144.876101][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2144.876101][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2144.876101][ T74] ipv6_find_idev+0x102/0x170 [ 2144.876101][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2144.876101][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2144.876101][ T74] netlink_rcv_skb+0x130/0x360 [ 2144.876101][ T74] netlink_unicast+0x449/0x710 [ 2144.876101][ T74] netlink_sendmsg+0x723/0xbe0 [ 2144.876101][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2144.876101][ T74] ___sys_sendmsg+0xee/0x170 [ 2144.876101][ T74] __sys_sendmsg+0xcd/0x170 [ 2144.876101][ T74] do_syscall_64+0xc6/0x1e0 [ 2144.876101][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2144.876101][ T74] [ 2144.877970][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2144.878270][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2144.878270][ T74] netdev_get_by_index+0x5e/0x80 [ 2144.878270][ T74] fib6_nh_init+0x3d8/0x1580 [ 2144.878270][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2144.878270][ T74] ip6_route_add+0x1c/0x140 [ 2144.878270][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2144.878270][ T74] inet6_addr_add+0x4f8/0xa40 [ 2144.878270][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2144.878270][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2144.878270][ T74] netlink_rcv_skb+0x130/0x360 [ 2144.878270][ T74] netlink_unicast+0x449/0x710 [ 2144.878270][ T74] netlink_sendmsg+0x723/0xbe0 [ 2144.878270][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2144.878270][ T74] ___sys_sendmsg+0xee/0x170 [ 2144.878270][ T74] __sys_sendmsg+0xcd/0x170 [ 2144.878270][ T74] do_syscall_64+0xc6/0x1e0 [ 2144.878270][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2144.878270][ T74] [ 2144.880594][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2144.880594][ T74] netdev_get_by_index+0x5e/0x80 [ 2144.880594][ T74] fib6_nh_init+0x3d8/0x1580 [ 2144.880594][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2144.880594][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2144.880594][ T74] ipv6_add_addr+0x411/0x2000 [ 2144.880594][ T74] inet6_addr_add+0x30e/0xa40 [ 2144.880594][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2144.880594][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2144.880594][ T74] netlink_rcv_skb+0x130/0x360 [ 2144.880594][ T74] netlink_unicast+0x449/0x710 [ 2144.880594][ T74] netlink_sendmsg+0x723/0xbe0 [ 2144.880594][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2144.880594][ T74] ___sys_sendmsg+0xee/0x170 [ 2144.880594][ T74] __sys_sendmsg+0xcd/0x170 [ 2144.880594][ T74] do_syscall_64+0xc6/0x1e0 [ 2144.880594][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2144.880594][ T74] [ 2144.882825][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2144.882825][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2144.882825][ T74] ipv6_find_idev+0x102/0x170 [ 2144.882825][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2144.882825][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2144.882825][ T74] netlink_rcv_skb+0x130/0x360 [ 2144.882825][ T74] netlink_unicast+0x449/0x710 [ 2144.882825][ T74] netlink_sendmsg+0x723/0xbe0 [ 2144.882825][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2144.882825][ T74] ___sys_sendmsg+0xee/0x170 [ 2144.882825][ T74] __sys_sendmsg+0xcd/0x170 [ 2144.882825][ T74] do_syscall_64+0xc6/0x1e0 [ 2144.882825][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2144.882825][ T74] [ 2144.884602][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2144.884602][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2144.884602][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2144.884602][ T74] ipv6_find_idev+0x102/0x170 [ 2144.884602][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2144.884602][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2144.884602][ T74] netlink_rcv_skb+0x130/0x360 [ 2144.884602][ T74] netlink_unicast+0x449/0x710 [ 2144.884602][ T74] netlink_sendmsg+0x723/0xbe0 [ 2144.884602][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2144.884602][ T74] ___sys_sendmsg+0xee/0x170 [ 2144.884602][ T74] __sys_sendmsg+0xcd/0x170 [ 2144.884602][ T74] do_syscall_64+0xc6/0x1e0 [ 2144.884602][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2144.884602][ T74] [ 2155.039936][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2155.040454][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2155.040454][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2155.040454][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2155.040454][ T74] fib6_nh_init+0xa22/0x1580 [ 2155.040454][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2155.040454][ T74] ip6_route_add+0x1c/0x140 [ 2155.040454][ T74] inet6_rtm_newroute+0x104/0x110 [ 2155.040454][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2155.040454][ T74] netlink_rcv_skb+0x130/0x360 [ 2155.040454][ T74] netlink_unicast+0x449/0x710 [ 2155.040454][ T74] netlink_sendmsg+0x723/0xbe0 [ 2155.040454][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2155.040454][ T74] ___sys_sendmsg+0xee/0x170 [ 2155.040454][ T74] __sys_sendmsg+0xcd/0x170 [ 2155.040454][ T74] do_syscall_64+0xc6/0x1e0 [ 2155.040454][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2155.040454][ T74] [ 2155.043474][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2155.043474][ T74] netdev_get_by_index+0x5e/0x80 [ 2155.043474][ T74] fib6_nh_init+0x3d8/0x1580 [ 2155.043474][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2155.043474][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2155.043474][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2155.043474][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2155.043474][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2155.043474][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2155.043474][ T74] addrconf_dad_begin+0x310/0x670 [ 2155.043474][ T74] addrconf_dad_work+0x10b/0xab0 [ 2155.043474][ T74] process_one_work+0x84d/0x18a0 [ 2155.043474][ T74] worker_thread+0x587/0xd30 [ 2155.043474][ T74] kthread+0x28a/0x350 [ 2155.043474][ T74] ret_from_fork+0x31/0x70 [ 2155.043474][ T74] ret_from_fork_asm+0x1a/0x30 [ 2155.043474][ T74] [ 2155.046881][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2155.046881][ T74] netdev_get_by_index+0x5e/0x80 [ 2155.046881][ T74] fib6_nh_init+0x3d8/0x1580 [ 2155.046881][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2155.046881][ T74] ip6_route_add+0x1c/0x140 [ 2155.046881][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2155.046881][ T74] inet6_addr_add+0x4f8/0xa40 [ 2155.046881][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2155.046881][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2155.046881][ T74] netlink_rcv_skb+0x130/0x360 [ 2155.046881][ T74] netlink_unicast+0x449/0x710 [ 2155.046881][ T74] netlink_sendmsg+0x723/0xbe0 [ 2155.046881][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2155.046881][ T74] ___sys_sendmsg+0xee/0x170 [ 2155.046881][ T74] __sys_sendmsg+0xcd/0x170 [ 2155.046881][ T74] do_syscall_64+0xc6/0x1e0 [ 2155.046881][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2155.046881][ T74] [ 2155.050074][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2155.050074][ T74] netdev_get_by_index+0x5e/0x80 [ 2155.050074][ T74] fib6_nh_init+0x3d8/0x1580 [ 2155.050074][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2155.050074][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2155.050074][ T74] ipv6_add_addr+0x411/0x2000 [ 2155.050074][ T74] inet6_addr_add+0x30e/0xa40 [ 2155.050074][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2155.050074][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2155.050074][ T74] netlink_rcv_skb+0x130/0x360 [ 2155.050074][ T74] netlink_unicast+0x449/0x710 [ 2155.050074][ T74] netlink_sendmsg+0x723/0xbe0 [ 2155.050074][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2155.050074][ T74] ___sys_sendmsg+0xee/0x170 [ 2155.050074][ T74] __sys_sendmsg+0xcd/0x170 [ 2155.050074][ T74] do_syscall_64+0xc6/0x1e0 [ 2155.050074][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2155.050074][ T74] [ 2155.053278][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2155.053278][ T74] netdev_get_by_index+0x5e/0x80 [ 2155.053278][ T74] fib6_nh_init+0x3d8/0x1580 [ 2155.053278][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2155.053278][ T74] ip6_route_add+0x1c/0x140 [ 2155.053278][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2155.053278][ T74] addrconf_add_dev+0xe2/0x170 [ 2155.053278][ T74] inet6_addr_add+0x12f/0xa40 [ 2155.053278][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2155.053278][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2155.053278][ T74] netlink_rcv_skb+0x130/0x360 [ 2155.053278][ T74] netlink_unicast+0x449/0x710 [ 2155.053278][ T74] netlink_sendmsg+0x723/0xbe0 [ 2155.053278][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2155.053278][ T74] ___sys_sendmsg+0xee/0x170 [ 2155.053278][ T74] __sys_sendmsg+0xcd/0x170 [ 2155.053278][ T74] do_syscall_64+0xc6/0x1e0 [ 2155.053278][ T74] [ 2155.056436][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2155.056436][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2155.056436][ T74] ipv6_find_idev+0x102/0x170 [ 2155.056436][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2155.056436][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2155.056436][ T74] netlink_rcv_skb+0x130/0x360 [ 2155.056436][ T74] netlink_unicast+0x449/0x710 [ 2155.056436][ T74] netlink_sendmsg+0x723/0xbe0 [ 2155.056436][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2155.056436][ T74] ___sys_sendmsg+0xee/0x170 [ 2155.056436][ T74] __sys_sendmsg+0xcd/0x170 [ 2155.056436][ T74] do_syscall_64+0xc6/0x1e0 [ 2155.056436][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2155.056436][ T74] [ 2155.058898][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2155.058898][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2155.058898][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2155.058898][ T74] ipv6_find_idev+0x102/0x170 [ 2155.058898][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2155.058898][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2155.058898][ T74] netlink_rcv_skb+0x130/0x360 [ 2155.058898][ T74] netlink_unicast+0x449/0x710 [ 2155.058898][ T74] netlink_sendmsg+0x723/0xbe0 [ 2155.058898][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2155.058898][ T74] ___sys_sendmsg+0xee/0x170 [ 2155.058898][ T74] __sys_sendmsg+0xcd/0x170 [ 2155.058898][ T74] do_syscall_64+0xc6/0x1e0 [ 2155.058898][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2155.058898][ T74] [ 2155.061639][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2155.062088][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2155.062088][ T74] dst_init+0x84/0x4a0 [ 2155.062088][ T74] dst_alloc+0x97/0x150 [ 2155.062088][ T74] ip6_dst_alloc+0x23/0x90 [ 2155.062088][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2155.062088][ T74] ip6_pol_route+0x56f/0x840 [ 2155.062088][ T74] fib6_rule_lookup+0x456/0x630 [ 2155.062088][ T74] ip6_route_input+0x59c/0xa50 [ 2155.062088][ T74] ipv6_rcv+0x397/0x810 [ 2155.062088][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2155.062088][ T74] process_backlog+0x101/0x620 [ 2155.062088][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2155.062088][ T74] net_rx_action+0x495/0xbe0 [ 2155.062088][ T74] __do_softirq+0x1b5/0x7f6 [ 2155.062088][ T74] [ 2155.064706][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2155.064706][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2155.064706][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2155.064706][ T74] fib6_nh_init+0xa22/0x1580 [ 2155.064706][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2155.064706][ T74] ip6_route_add+0x1c/0x140 [ 2155.064706][ T74] inet6_rtm_newroute+0x104/0x110 [ 2155.064706][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2155.064706][ T74] netlink_rcv_skb+0x130/0x360 [ 2155.064706][ T74] netlink_unicast+0x449/0x710 [ 2155.064706][ T74] netlink_sendmsg+0x723/0xbe0 [ 2155.064706][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2155.064706][ T74] ___sys_sendmsg+0xee/0x170 [ 2155.064706][ T74] __sys_sendmsg+0xcd/0x170 [ 2155.064706][ T74] do_syscall_64+0xc6/0x1e0 [ 2155.064706][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2155.064706][ T74] [ 2155.067712][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2155.067712][ T74] netdev_get_by_index+0x5e/0x80 [ 2155.067712][ T74] fib6_nh_init+0x3d8/0x1580 [ 2155.067712][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2155.067712][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2155.067712][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2155.067712][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2155.067712][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2155.067712][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2155.067712][ T74] addrconf_dad_begin+0x310/0x670 [ 2155.067712][ T74] addrconf_dad_work+0x10b/0xab0 [ 2155.067712][ T74] process_one_work+0x84d/0x18a0 [ 2155.067712][ T74] worker_thread+0x587/0xd30 [ 2155.067712][ T74] kthread+0x28a/0x350 [ 2155.067712][ T74] ret_from_fork+0x31/0x70 [ 2155.067712][ T74] ret_from_fork_asm+0x1a/0x30 [ 2155.067712][ T74] [ 2155.070794][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2155.070794][ T74] netdev_get_by_index+0x5e/0x80 [ 2155.070794][ T74] fib6_nh_init+0x3d8/0x1580 [ 2155.070794][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2155.070794][ T74] ip6_route_add+0x1c/0x140 [ 2155.070794][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2155.070794][ T74] inet6_addr_add+0x4f8/0xa40 [ 2155.070794][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2155.070794][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2155.070794][ T74] netlink_rcv_skb+0x130/0x360 [ 2155.070794][ T74] netlink_unicast+0x449/0x710 [ 2155.070794][ T74] netlink_sendmsg+0x723/0xbe0 [ 2155.070794][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2155.070794][ T74] ___sys_sendmsg+0xee/0x170 [ 2155.070794][ T74] __sys_sendmsg+0xcd/0x170 [ 2155.070794][ T74] do_syscall_64+0xc6/0x1e0 [ 2155.070794][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2155.070794][ T74] [ 2155.074000][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2155.074000][ T74] netdev_get_by_index+0x5e/0x80 [ 2155.074000][ T74] fib6_nh_init+0x3d8/0x1580 [ 2155.074000][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2155.074000][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2155.074000][ T74] ipv6_add_addr+0x411/0x2000 [ 2155.074000][ T74] inet6_addr_add+0x30e/0xa40 [ 2155.074000][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2155.074000][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2155.074000][ T74] netlink_rcv_skb+0x130/0x360 [ 2155.074000][ T74] netlink_unicast+0x449/0x710 [ 2155.074000][ T74] netlink_sendmsg+0x723/0xbe0 [ 2155.074000][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2155.074000][ T74] ___sys_sendmsg+0xee/0x170 [ 2155.074000][ T74] __sys_sendmsg+0xcd/0x170 [ 2155.074000][ T74] do_syscall_64+0xc6/0x1e0 [ 2155.074000][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2155.074000][ T74] [ 2155.077183][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2155.077183][ T74] netdev_get_by_index+0x5e/0x80 [ 2155.077183][ T74] fib6_nh_init+0x3d8/0x1580 [ 2155.077183][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2155.077183][ T74] ip6_route_add+0x1c/0x140 [ 2155.077183][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2155.077183][ T74] addrconf_add_dev+0xe2/0x170 [ 2155.077183][ T74] inet6_addr_add+0x12f/0xa40 [ 2155.077183][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2155.077183][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2155.077183][ T74] netlink_rcv_skb+0x130/0x360 [ 2155.077183][ T74] netlink_unicast+0x449/0x710 [ 2155.077183][ T74] netlink_sendmsg+0x723/0xbe0 [ 2155.077183][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2155.077183][ T74] ___sys_sendmsg+0xee/0x170 [ 2155.077183][ T74] __sys_sendmsg+0xcd/0x170 [ 2155.077183][ T74] do_syscall_64+0xc6/0x1e0 [ 2155.077183][ T74] [ 2155.080323][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2155.080323][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2155.080323][ T74] ipv6_find_idev+0x102/0x170 [ 2155.080323][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2155.080323][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2155.080323][ T74] netlink_rcv_skb+0x130/0x360 [ 2155.080323][ T74] netlink_unicast+0x449/0x710 [ 2155.080323][ T74] netlink_sendmsg+0x723/0xbe0 [ 2155.080323][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2155.080323][ T74] ___sys_sendmsg+0xee/0x170 [ 2155.080323][ T74] __sys_sendmsg+0xcd/0x170 [ 2155.080323][ T74] do_syscall_64+0xc6/0x1e0 [ 2155.080323][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2155.080323][ T74] [ 2155.082910][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2155.082910][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2155.082910][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2155.082910][ T74] ipv6_find_idev+0x102/0x170 [ 2155.082910][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2155.082910][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2155.082910][ T74] netlink_rcv_skb+0x130/0x360 [ 2155.082910][ T74] netlink_unicast+0x449/0x710 [ 2155.082910][ T74] netlink_sendmsg+0x723/0xbe0 [ 2155.082910][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2155.082910][ T74] ___sys_sendmsg+0xee/0x170 [ 2155.082910][ T74] __sys_sendmsg+0xcd/0x170 [ 2155.082910][ T74] do_syscall_64+0xc6/0x1e0 [ 2155.082910][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2155.082910][ T74] [ 2155.086013][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2155.086390][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2155.086390][ T74] netdev_get_by_index+0x5e/0x80 [ 2155.086390][ T74] fib6_nh_init+0x3d8/0x1580 [ 2155.086390][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2155.086390][ T74] ip6_route_add+0x1c/0x140 [ 2155.086390][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2155.086390][ T74] inet6_addr_add+0x4f8/0xa40 [ 2155.086390][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2155.086390][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2155.086390][ T74] netlink_rcv_skb+0x130/0x360 [ 2155.086390][ T74] netlink_unicast+0x449/0x710 [ 2155.086390][ T74] netlink_sendmsg+0x723/0xbe0 [ 2155.086390][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2155.086390][ T74] ___sys_sendmsg+0xee/0x170 [ 2155.086390][ T74] __sys_sendmsg+0xcd/0x170 [ 2155.086390][ T74] do_syscall_64+0xc6/0x1e0 [ 2155.086390][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2155.086390][ T74] [ 2155.090043][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2155.090043][ T74] netdev_get_by_index+0x5e/0x80 [ 2155.090043][ T74] fib6_nh_init+0x3d8/0x1580 [ 2155.090043][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2155.090043][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2155.090043][ T74] ipv6_add_addr+0x411/0x2000 [ 2155.090043][ T74] inet6_addr_add+0x30e/0xa40 [ 2155.090043][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2155.090043][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2155.090043][ T74] netlink_rcv_skb+0x130/0x360 [ 2155.090043][ T74] netlink_unicast+0x449/0x710 [ 2155.090043][ T74] netlink_sendmsg+0x723/0xbe0 [ 2155.090043][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2155.090043][ T74] ___sys_sendmsg+0xee/0x170 [ 2155.090043][ T74] __sys_sendmsg+0xcd/0x170 [ 2155.090043][ T74] do_syscall_64+0xc6/0x1e0 [ 2155.090043][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2155.090043][ T74] [ 2155.093661][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2155.093661][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2155.093661][ T74] ipv6_find_idev+0x102/0x170 [ 2155.093661][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2155.093661][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2155.093661][ T74] netlink_rcv_skb+0x130/0x360 [ 2155.093661][ T74] netlink_unicast+0x449/0x710 [ 2155.093661][ T74] netlink_sendmsg+0x723/0xbe0 [ 2155.093661][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2155.093661][ T74] ___sys_sendmsg+0xee/0x170 [ 2155.093661][ T74] __sys_sendmsg+0xcd/0x170 [ 2155.093661][ T74] do_syscall_64+0xc6/0x1e0 [ 2155.093661][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2155.093661][ T74] [ 2155.096227][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2155.096227][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2155.096227][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2155.096227][ T74] ipv6_find_idev+0x102/0x170 [ 2155.096227][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2155.096227][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2155.096227][ T74] netlink_rcv_skb+0x130/0x360 [ 2155.096227][ T74] netlink_unicast+0x449/0x710 [ 2155.096227][ T74] netlink_sendmsg+0x723/0xbe0 [ 2155.096227][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2155.096227][ T74] ___sys_sendmsg+0xee/0x170 [ 2155.096227][ T74] __sys_sendmsg+0xcd/0x170 [ 2155.096227][ T74] do_syscall_64+0xc6/0x1e0 [ 2155.096227][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2155.096227][ T74] [ 2165.336015][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2165.336480][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2165.336480][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2165.336480][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2165.336480][ T74] fib6_nh_init+0xa22/0x1580 [ 2165.336480][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2165.336480][ T74] ip6_route_add+0x1c/0x140 [ 2165.336480][ T74] inet6_rtm_newroute+0x104/0x110 [ 2165.336480][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2165.336480][ T74] netlink_rcv_skb+0x130/0x360 [ 2165.336480][ T74] netlink_unicast+0x449/0x710 [ 2165.336480][ T74] netlink_sendmsg+0x723/0xbe0 [ 2165.336480][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2165.336480][ T74] ___sys_sendmsg+0xee/0x170 [ 2165.336480][ T74] __sys_sendmsg+0xcd/0x170 [ 2165.336480][ T74] do_syscall_64+0xc6/0x1e0 [ 2165.336480][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2165.336480][ T74] [ 2165.338380][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2165.338380][ T74] netdev_get_by_index+0x5e/0x80 [ 2165.338380][ T74] fib6_nh_init+0x3d8/0x1580 [ 2165.338380][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2165.338380][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2165.338380][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2165.338380][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2165.338380][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2165.338380][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2165.338380][ T74] addrconf_dad_begin+0x310/0x670 [ 2165.338380][ T74] addrconf_dad_work+0x10b/0xab0 [ 2165.338380][ T74] process_one_work+0x84d/0x18a0 [ 2165.338380][ T74] worker_thread+0x587/0xd30 [ 2165.338380][ T74] kthread+0x28a/0x350 [ 2165.338380][ T74] ret_from_fork+0x31/0x70 [ 2165.338380][ T74] ret_from_fork_asm+0x1a/0x30 [ 2165.338380][ T74] [ 2165.340302][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2165.340302][ T74] netdev_get_by_index+0x5e/0x80 [ 2165.340302][ T74] fib6_nh_init+0x3d8/0x1580 [ 2165.340302][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2165.340302][ T74] ip6_route_add+0x1c/0x140 [ 2165.340302][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2165.340302][ T74] inet6_addr_add+0x4f8/0xa40 [ 2165.340302][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2165.340302][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2165.340302][ T74] netlink_rcv_skb+0x130/0x360 [ 2165.340302][ T74] netlink_unicast+0x449/0x710 [ 2165.340302][ T74] netlink_sendmsg+0x723/0xbe0 [ 2165.340302][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2165.340302][ T74] ___sys_sendmsg+0xee/0x170 [ 2165.340302][ T74] __sys_sendmsg+0xcd/0x170 [ 2165.340302][ T74] do_syscall_64+0xc6/0x1e0 [ 2165.340302][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2165.340302][ T74] [ 2165.342313][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2165.342313][ T74] netdev_get_by_index+0x5e/0x80 [ 2165.342313][ T74] fib6_nh_init+0x3d8/0x1580 [ 2165.342313][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2165.342313][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2165.342313][ T74] ipv6_add_addr+0x411/0x2000 [ 2165.342313][ T74] inet6_addr_add+0x30e/0xa40 [ 2165.342313][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2165.342313][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2165.342313][ T74] netlink_rcv_skb+0x130/0x360 [ 2165.342313][ T74] netlink_unicast+0x449/0x710 [ 2165.342313][ T74] netlink_sendmsg+0x723/0xbe0 [ 2165.342313][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2165.342313][ T74] ___sys_sendmsg+0xee/0x170 [ 2165.342313][ T74] __sys_sendmsg+0xcd/0x170 [ 2165.342313][ T74] do_syscall_64+0xc6/0x1e0 [ 2165.342313][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2165.342313][ T74] [ 2165.344337][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2165.344337][ T74] netdev_get_by_index+0x5e/0x80 [ 2165.344337][ T74] fib6_nh_init+0x3d8/0x1580 [ 2165.344337][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2165.344337][ T74] ip6_route_add+0x1c/0x140 [ 2165.344337][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2165.344337][ T74] addrconf_add_dev+0xe2/0x170 [ 2165.344337][ T74] inet6_addr_add+0x12f/0xa40 [ 2165.344337][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2165.344337][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2165.344337][ T74] netlink_rcv_skb+0x130/0x360 [ 2165.344337][ T74] netlink_unicast+0x449/0x710 [ 2165.344337][ T74] netlink_sendmsg+0x723/0xbe0 [ 2165.344337][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2165.344337][ T74] ___sys_sendmsg+0xee/0x170 [ 2165.344337][ T74] __sys_sendmsg+0xcd/0x170 [ 2165.344337][ T74] do_syscall_64+0xc6/0x1e0 [ 2165.344337][ T74] [ 2165.346310][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2165.346310][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2165.346310][ T74] ipv6_find_idev+0x102/0x170 [ 2165.346310][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2165.346310][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2165.346310][ T74] netlink_rcv_skb+0x130/0x360 [ 2165.346310][ T74] netlink_unicast+0x449/0x710 [ 2165.346310][ T74] netlink_sendmsg+0x723/0xbe0 [ 2165.346310][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2165.346310][ T74] ___sys_sendmsg+0xee/0x170 [ 2165.346310][ T74] __sys_sendmsg+0xcd/0x170 [ 2165.346310][ T74] do_syscall_64+0xc6/0x1e0 [ 2165.346310][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2165.346310][ T74] [ 2165.347851][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2165.347851][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2165.347851][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2165.347851][ T74] ipv6_find_idev+0x102/0x170 [ 2165.347851][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2165.347851][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2165.347851][ T74] netlink_rcv_skb+0x130/0x360 [ 2165.347851][ T74] netlink_unicast+0x449/0x710 [ 2165.347851][ T74] netlink_sendmsg+0x723/0xbe0 [ 2165.347851][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2165.347851][ T74] ___sys_sendmsg+0xee/0x170 [ 2165.347851][ T74] __sys_sendmsg+0xcd/0x170 [ 2165.347851][ T74] do_syscall_64+0xc6/0x1e0 [ 2165.347851][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2165.347851][ T74] [ 2165.349545][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2165.349818][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2165.349818][ T74] dst_init+0x84/0x4a0 [ 2165.349818][ T74] dst_alloc+0x97/0x150 [ 2165.349818][ T74] ip6_dst_alloc+0x23/0x90 [ 2165.349818][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2165.349818][ T74] ip6_pol_route+0x56f/0x840 [ 2165.349818][ T74] fib6_rule_lookup+0x456/0x630 [ 2165.349818][ T74] ip6_route_input+0x59c/0xa50 [ 2165.349818][ T74] ipv6_rcv+0x397/0x810 [ 2165.349818][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2165.349818][ T74] process_backlog+0x101/0x620 [ 2165.349818][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2165.349818][ T74] net_rx_action+0x495/0xbe0 [ 2165.349818][ T74] __do_softirq+0x1b5/0x7f6 [ 2165.349818][ T74] [ 2165.351861][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2165.351861][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2165.351861][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2165.351861][ T74] fib6_nh_init+0xa22/0x1580 [ 2165.351861][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2165.351861][ T74] ip6_route_add+0x1c/0x140 [ 2165.351861][ T74] inet6_rtm_newroute+0x104/0x110 [ 2165.351861][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2165.351861][ T74] netlink_rcv_skb+0x130/0x360 [ 2165.351861][ T74] netlink_unicast+0x449/0x710 [ 2165.351861][ T74] netlink_sendmsg+0x723/0xbe0 [ 2165.351861][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2165.351861][ T74] ___sys_sendmsg+0xee/0x170 [ 2165.351861][ T74] __sys_sendmsg+0xcd/0x170 [ 2165.351861][ T74] do_syscall_64+0xc6/0x1e0 [ 2165.351861][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2165.351861][ T74] [ 2165.354005][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2165.354005][ T74] netdev_get_by_index+0x5e/0x80 [ 2165.354005][ T74] fib6_nh_init+0x3d8/0x1580 [ 2165.354005][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2165.354005][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2165.354005][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2165.354005][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2165.354005][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2165.354005][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2165.354005][ T74] addrconf_dad_begin+0x310/0x670 [ 2165.354005][ T74] addrconf_dad_work+0x10b/0xab0 [ 2165.354005][ T74] process_one_work+0x84d/0x18a0 [ 2165.354005][ T74] worker_thread+0x587/0xd30 [ 2165.354005][ T74] kthread+0x28a/0x350 [ 2165.354005][ T74] ret_from_fork+0x31/0x70 [ 2165.354005][ T74] ret_from_fork_asm+0x1a/0x30 [ 2165.354005][ T74] [ 2165.355929][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2165.355929][ T74] netdev_get_by_index+0x5e/0x80 [ 2165.355929][ T74] fib6_nh_init+0x3d8/0x1580 [ 2165.355929][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2165.355929][ T74] ip6_route_add+0x1c/0x140 [ 2165.355929][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2165.355929][ T74] inet6_addr_add+0x4f8/0xa40 [ 2165.355929][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2165.355929][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2165.355929][ T74] netlink_rcv_skb+0x130/0x360 [ 2165.355929][ T74] netlink_unicast+0x449/0x710 [ 2165.355929][ T74] netlink_sendmsg+0x723/0xbe0 [ 2165.355929][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2165.355929][ T74] ___sys_sendmsg+0xee/0x170 [ 2165.355929][ T74] __sys_sendmsg+0xcd/0x170 [ 2165.355929][ T74] do_syscall_64+0xc6/0x1e0 [ 2165.355929][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2165.355929][ T74] [ 2165.357950][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2165.357950][ T74] netdev_get_by_index+0x5e/0x80 [ 2165.357950][ T74] fib6_nh_init+0x3d8/0x1580 [ 2165.357950][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2165.357950][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2165.357950][ T74] ipv6_add_addr+0x411/0x2000 [ 2165.357950][ T74] inet6_addr_add+0x30e/0xa40 [ 2165.357950][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2165.357950][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2165.357950][ T74] netlink_rcv_skb+0x130/0x360 [ 2165.357950][ T74] netlink_unicast+0x449/0x710 [ 2165.357950][ T74] netlink_sendmsg+0x723/0xbe0 [ 2165.357950][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2165.357950][ T74] ___sys_sendmsg+0xee/0x170 [ 2165.357950][ T74] __sys_sendmsg+0xcd/0x170 [ 2165.357950][ T74] do_syscall_64+0xc6/0x1e0 [ 2165.357950][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2165.357950][ T74] [ 2165.359978][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2165.359978][ T74] netdev_get_by_index+0x5e/0x80 [ 2165.359978][ T74] fib6_nh_init+0x3d8/0x1580 [ 2165.359978][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2165.359978][ T74] ip6_route_add+0x1c/0x140 [ 2165.359978][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2165.359978][ T74] addrconf_add_dev+0xe2/0x170 [ 2165.359978][ T74] inet6_addr_add+0x12f/0xa40 [ 2165.359978][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2165.359978][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2165.359978][ T74] netlink_rcv_skb+0x130/0x360 [ 2165.359978][ T74] netlink_unicast+0x449/0x710 [ 2165.359978][ T74] netlink_sendmsg+0x723/0xbe0 [ 2165.359978][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2165.359978][ T74] ___sys_sendmsg+0xee/0x170 [ 2165.359978][ T74] __sys_sendmsg+0xcd/0x170 [ 2165.359978][ T74] do_syscall_64+0xc6/0x1e0 [ 2165.359978][ T74] [ 2165.361937][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2165.361937][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2165.361937][ T74] ipv6_find_idev+0x102/0x170 [ 2165.361937][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2165.361937][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2165.361937][ T74] netlink_rcv_skb+0x130/0x360 [ 2165.361937][ T74] netlink_unicast+0x449/0x710 [ 2165.361937][ T74] netlink_sendmsg+0x723/0xbe0 [ 2165.361937][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2165.361937][ T74] ___sys_sendmsg+0xee/0x170 [ 2165.361937][ T74] __sys_sendmsg+0xcd/0x170 [ 2165.361937][ T74] do_syscall_64+0xc6/0x1e0 [ 2165.361937][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2165.361937][ T74] [ 2165.363596][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2165.363596][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2165.363596][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2165.363596][ T74] ipv6_find_idev+0x102/0x170 [ 2165.363596][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2165.363596][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2165.363596][ T74] netlink_rcv_skb+0x130/0x360 [ 2165.363596][ T74] netlink_unicast+0x449/0x710 [ 2165.363596][ T74] netlink_sendmsg+0x723/0xbe0 [ 2165.363596][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2165.363596][ T74] ___sys_sendmsg+0xee/0x170 [ 2165.363596][ T74] __sys_sendmsg+0xcd/0x170 [ 2165.363596][ T74] do_syscall_64+0xc6/0x1e0 [ 2165.363596][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2165.363596][ T74] [ 2165.365569][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2165.365815][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2165.365815][ T74] netdev_get_by_index+0x5e/0x80 [ 2165.365815][ T74] fib6_nh_init+0x3d8/0x1580 [ 2165.365815][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2165.365815][ T74] ip6_route_add+0x1c/0x140 [ 2165.365815][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2165.365815][ T74] inet6_addr_add+0x4f8/0xa40 [ 2165.365815][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2165.365815][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2165.365815][ T74] netlink_rcv_skb+0x130/0x360 [ 2165.365815][ T74] netlink_unicast+0x449/0x710 [ 2165.365815][ T74] netlink_sendmsg+0x723/0xbe0 [ 2165.365815][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2165.365815][ T74] ___sys_sendmsg+0xee/0x170 [ 2165.365815][ T74] __sys_sendmsg+0xcd/0x170 [ 2165.365815][ T74] do_syscall_64+0xc6/0x1e0 [ 2165.365815][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2165.365815][ T74] [ 2165.368058][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2165.368058][ T74] netdev_get_by_index+0x5e/0x80 [ 2165.368058][ T74] fib6_nh_init+0x3d8/0x1580 [ 2165.368058][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2165.368058][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2165.368058][ T74] ipv6_add_addr+0x411/0x2000 [ 2165.368058][ T74] inet6_addr_add+0x30e/0xa40 [ 2165.368058][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2165.368058][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2165.368058][ T74] netlink_rcv_skb+0x130/0x360 [ 2165.368058][ T74] netlink_unicast+0x449/0x710 [ 2165.368058][ T74] netlink_sendmsg+0x723/0xbe0 [ 2165.368058][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2165.368058][ T74] ___sys_sendmsg+0xee/0x170 [ 2165.368058][ T74] __sys_sendmsg+0xcd/0x170 [ 2165.368058][ T74] do_syscall_64+0xc6/0x1e0 [ 2165.368058][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2165.368058][ T74] [ 2165.370240][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2165.370240][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2165.370240][ T74] ipv6_find_idev+0x102/0x170 [ 2165.370240][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2165.370240][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2165.370240][ T74] netlink_rcv_skb+0x130/0x360 [ 2165.370240][ T74] netlink_unicast+0x449/0x710 [ 2165.370240][ T74] netlink_sendmsg+0x723/0xbe0 [ 2165.370240][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2165.370240][ T74] ___sys_sendmsg+0xee/0x170 [ 2165.370240][ T74] __sys_sendmsg+0xcd/0x170 [ 2165.370240][ T74] do_syscall_64+0xc6/0x1e0 [ 2165.370240][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2165.370240][ T74] [ 2165.371830][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2165.371830][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2165.371830][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2165.371830][ T74] ipv6_find_idev+0x102/0x170 [ 2165.371830][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2165.371830][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2165.371830][ T74] netlink_rcv_skb+0x130/0x360 [ 2165.371830][ T74] netlink_unicast+0x449/0x710 [ 2165.371830][ T74] netlink_sendmsg+0x723/0xbe0 [ 2165.371830][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2165.371830][ T74] ___sys_sendmsg+0xee/0x170 [ 2165.371830][ T74] __sys_sendmsg+0xcd/0x170 [ 2165.371830][ T74] do_syscall_64+0xc6/0x1e0 [ 2165.371830][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2165.371830][ T74] [ 2175.615995][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2175.616448][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2175.616448][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2175.616448][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2175.616448][ T74] fib6_nh_init+0xa22/0x1580 [ 2175.616448][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2175.616448][ T74] ip6_route_add+0x1c/0x140 [ 2175.616448][ T74] inet6_rtm_newroute+0x104/0x110 [ 2175.616448][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2175.616448][ T74] netlink_rcv_skb+0x130/0x360 [ 2175.616448][ T74] netlink_unicast+0x449/0x710 [ 2175.616448][ T74] netlink_sendmsg+0x723/0xbe0 [ 2175.616448][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2175.616448][ T74] ___sys_sendmsg+0xee/0x170 [ 2175.616448][ T74] __sys_sendmsg+0xcd/0x170 [ 2175.616448][ T74] do_syscall_64+0xc6/0x1e0 [ 2175.616448][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2175.616448][ T74] [ 2175.618346][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2175.618346][ T74] netdev_get_by_index+0x5e/0x80 [ 2175.618346][ T74] fib6_nh_init+0x3d8/0x1580 [ 2175.618346][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2175.618346][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2175.618346][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2175.618346][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2175.618346][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2175.618346][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2175.618346][ T74] addrconf_dad_begin+0x310/0x670 [ 2175.618346][ T74] addrconf_dad_work+0x10b/0xab0 [ 2175.618346][ T74] process_one_work+0x84d/0x18a0 [ 2175.618346][ T74] worker_thread+0x587/0xd30 [ 2175.618346][ T74] kthread+0x28a/0x350 [ 2175.618346][ T74] ret_from_fork+0x31/0x70 [ 2175.618346][ T74] ret_from_fork_asm+0x1a/0x30 [ 2175.618346][ T74] [ 2175.620336][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2175.620336][ T74] netdev_get_by_index+0x5e/0x80 [ 2175.620336][ T74] fib6_nh_init+0x3d8/0x1580 [ 2175.620336][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2175.620336][ T74] ip6_route_add+0x1c/0x140 [ 2175.620336][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2175.620336][ T74] inet6_addr_add+0x4f8/0xa40 [ 2175.620336][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2175.620336][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2175.620336][ T74] netlink_rcv_skb+0x130/0x360 [ 2175.620336][ T74] netlink_unicast+0x449/0x710 [ 2175.620336][ T74] netlink_sendmsg+0x723/0xbe0 [ 2175.620336][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2175.620336][ T74] ___sys_sendmsg+0xee/0x170 [ 2175.620336][ T74] __sys_sendmsg+0xcd/0x170 [ 2175.620336][ T74] do_syscall_64+0xc6/0x1e0 [ 2175.620336][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2175.620336][ T74] [ 2175.622326][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2175.622326][ T74] netdev_get_by_index+0x5e/0x80 [ 2175.622326][ T74] fib6_nh_init+0x3d8/0x1580 [ 2175.622326][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2175.622326][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2175.622326][ T74] ipv6_add_addr+0x411/0x2000 [ 2175.622326][ T74] inet6_addr_add+0x30e/0xa40 [ 2175.622326][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2175.622326][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2175.622326][ T74] netlink_rcv_skb+0x130/0x360 [ 2175.622326][ T74] netlink_unicast+0x449/0x710 [ 2175.622326][ T74] netlink_sendmsg+0x723/0xbe0 [ 2175.622326][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2175.622326][ T74] ___sys_sendmsg+0xee/0x170 [ 2175.622326][ T74] __sys_sendmsg+0xcd/0x170 [ 2175.622326][ T74] do_syscall_64+0xc6/0x1e0 [ 2175.622326][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2175.622326][ T74] [ 2175.624370][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2175.624370][ T74] netdev_get_by_index+0x5e/0x80 [ 2175.624370][ T74] fib6_nh_init+0x3d8/0x1580 [ 2175.624370][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2175.624370][ T74] ip6_route_add+0x1c/0x140 [ 2175.624370][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2175.624370][ T74] addrconf_add_dev+0xe2/0x170 [ 2175.624370][ T74] inet6_addr_add+0x12f/0xa40 [ 2175.624370][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2175.624370][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2175.624370][ T74] netlink_rcv_skb+0x130/0x360 [ 2175.624370][ T74] netlink_unicast+0x449/0x710 [ 2175.624370][ T74] netlink_sendmsg+0x723/0xbe0 [ 2175.624370][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2175.624370][ T74] ___sys_sendmsg+0xee/0x170 [ 2175.624370][ T74] __sys_sendmsg+0xcd/0x170 [ 2175.624370][ T74] do_syscall_64+0xc6/0x1e0 [ 2175.624370][ T74] [ 2175.626322][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2175.626322][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2175.626322][ T74] ipv6_find_idev+0x102/0x170 [ 2175.626322][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2175.626322][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2175.626322][ T74] netlink_rcv_skb+0x130/0x360 [ 2175.626322][ T74] netlink_unicast+0x449/0x710 [ 2175.626322][ T74] netlink_sendmsg+0x723/0xbe0 [ 2175.626322][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2175.626322][ T74] ___sys_sendmsg+0xee/0x170 [ 2175.626322][ T74] __sys_sendmsg+0xcd/0x170 [ 2175.626322][ T74] do_syscall_64+0xc6/0x1e0 [ 2175.626322][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2175.626322][ T74] [ 2175.627860][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2175.627860][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2175.627860][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2175.627860][ T74] ipv6_find_idev+0x102/0x170 [ 2175.627860][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2175.627860][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2175.627860][ T74] netlink_rcv_skb+0x130/0x360 [ 2175.627860][ T74] netlink_unicast+0x449/0x710 [ 2175.627860][ T74] netlink_sendmsg+0x723/0xbe0 [ 2175.627860][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2175.627860][ T74] ___sys_sendmsg+0xee/0x170 [ 2175.627860][ T74] __sys_sendmsg+0xcd/0x170 [ 2175.627860][ T74] do_syscall_64+0xc6/0x1e0 [ 2175.627860][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2175.627860][ T74] [ 2175.629562][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2175.629834][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2175.629834][ T74] dst_init+0x84/0x4a0 [ 2175.629834][ T74] dst_alloc+0x97/0x150 [ 2175.629834][ T74] ip6_dst_alloc+0x23/0x90 [ 2175.629834][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2175.629834][ T74] ip6_pol_route+0x56f/0x840 [ 2175.629834][ T74] fib6_rule_lookup+0x456/0x630 [ 2175.629834][ T74] ip6_route_input+0x59c/0xa50 [ 2175.629834][ T74] ipv6_rcv+0x397/0x810 [ 2175.629834][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2175.629834][ T74] process_backlog+0x101/0x620 [ 2175.629834][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2175.629834][ T74] net_rx_action+0x495/0xbe0 [ 2175.629834][ T74] __do_softirq+0x1b5/0x7f6 [ 2175.629834][ T74] [ 2175.631465][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2175.631465][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2175.631465][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2175.631465][ T74] fib6_nh_init+0xa22/0x1580 [ 2175.631465][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2175.631465][ T74] ip6_route_add+0x1c/0x140 [ 2175.631465][ T74] inet6_rtm_newroute+0x104/0x110 [ 2175.631465][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2175.631465][ T74] netlink_rcv_skb+0x130/0x360 [ 2175.631465][ T74] netlink_unicast+0x449/0x710 [ 2175.631465][ T74] netlink_sendmsg+0x723/0xbe0 [ 2175.631465][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2175.631465][ T74] ___sys_sendmsg+0xee/0x170 [ 2175.631465][ T74] __sys_sendmsg+0xcd/0x170 [ 2175.631465][ T74] do_syscall_64+0xc6/0x1e0 [ 2175.631465][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2175.631465][ T74] [ 2175.633350][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2175.633350][ T74] netdev_get_by_index+0x5e/0x80 [ 2175.633350][ T74] fib6_nh_init+0x3d8/0x1580 [ 2175.633350][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2175.633350][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2175.633350][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2175.633350][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2175.633350][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2175.633350][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2175.633350][ T74] addrconf_dad_begin+0x310/0x670 [ 2175.633350][ T74] addrconf_dad_work+0x10b/0xab0 [ 2175.633350][ T74] process_one_work+0x84d/0x18a0 [ 2175.633350][ T74] worker_thread+0x587/0xd30 [ 2175.633350][ T74] kthread+0x28a/0x350 [ 2175.633350][ T74] ret_from_fork+0x31/0x70 [ 2175.633350][ T74] ret_from_fork_asm+0x1a/0x30 [ 2175.633350][ T74] [ 2175.635271][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2175.635271][ T74] netdev_get_by_index+0x5e/0x80 [ 2175.635271][ T74] fib6_nh_init+0x3d8/0x1580 [ 2175.635271][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2175.635271][ T74] ip6_route_add+0x1c/0x140 [ 2175.635271][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2175.635271][ T74] inet6_addr_add+0x4f8/0xa40 [ 2175.635271][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2175.635271][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2175.635271][ T74] netlink_rcv_skb+0x130/0x360 [ 2175.635271][ T74] netlink_unicast+0x449/0x710 [ 2175.635271][ T74] netlink_sendmsg+0x723/0xbe0 [ 2175.635271][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2175.635271][ T74] ___sys_sendmsg+0xee/0x170 [ 2175.635271][ T74] __sys_sendmsg+0xcd/0x170 [ 2175.635271][ T74] do_syscall_64+0xc6/0x1e0 [ 2175.635271][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2175.635271][ T74] [ 2175.637267][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2175.637267][ T74] netdev_get_by_index+0x5e/0x80 [ 2175.637267][ T74] fib6_nh_init+0x3d8/0x1580 [ 2175.637267][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2175.637267][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2175.637267][ T74] ipv6_add_addr+0x411/0x2000 [ 2175.637267][ T74] inet6_addr_add+0x30e/0xa40 [ 2175.637267][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2175.637267][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2175.637267][ T74] netlink_rcv_skb+0x130/0x360 [ 2175.637267][ T74] netlink_unicast+0x449/0x710 [ 2175.637267][ T74] netlink_sendmsg+0x723/0xbe0 [ 2175.637267][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2175.637267][ T74] ___sys_sendmsg+0xee/0x170 [ 2175.637267][ T74] __sys_sendmsg+0xcd/0x170 [ 2175.637267][ T74] do_syscall_64+0xc6/0x1e0 [ 2175.637267][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2175.637267][ T74] [ 2175.639257][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2175.639257][ T74] netdev_get_by_index+0x5e/0x80 [ 2175.639257][ T74] fib6_nh_init+0x3d8/0x1580 [ 2175.639257][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2175.639257][ T74] ip6_route_add+0x1c/0x140 [ 2175.639257][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2175.639257][ T74] addrconf_add_dev+0xe2/0x170 [ 2175.639257][ T74] inet6_addr_add+0x12f/0xa40 [ 2175.639257][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2175.639257][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2175.639257][ T74] netlink_rcv_skb+0x130/0x360 [ 2175.639257][ T74] netlink_unicast+0x449/0x710 [ 2175.639257][ T74] netlink_sendmsg+0x723/0xbe0 [ 2175.639257][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2175.639257][ T74] ___sys_sendmsg+0xee/0x170 [ 2175.639257][ T74] __sys_sendmsg+0xcd/0x170 [ 2175.639257][ T74] do_syscall_64+0xc6/0x1e0 [ 2175.639257][ T74] [ 2175.641207][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2175.641207][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2175.641207][ T74] ipv6_find_idev+0x102/0x170 [ 2175.641207][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2175.641207][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2175.641207][ T74] netlink_rcv_skb+0x130/0x360 [ 2175.641207][ T74] netlink_unicast+0x449/0x710 [ 2175.641207][ T74] netlink_sendmsg+0x723/0xbe0 [ 2175.641207][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2175.641207][ T74] ___sys_sendmsg+0xee/0x170 [ 2175.641207][ T74] __sys_sendmsg+0xcd/0x170 [ 2175.641207][ T74] do_syscall_64+0xc6/0x1e0 [ 2175.641207][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2175.641207][ T74] [ 2175.642880][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2175.642880][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2175.642880][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2175.642880][ T74] ipv6_find_idev+0x102/0x170 [ 2175.642880][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2175.642880][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2175.642880][ T74] netlink_rcv_skb+0x130/0x360 [ 2175.642880][ T74] netlink_unicast+0x449/0x710 [ 2175.642880][ T74] netlink_sendmsg+0x723/0xbe0 [ 2175.642880][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2175.642880][ T74] ___sys_sendmsg+0xee/0x170 [ 2175.642880][ T74] __sys_sendmsg+0xcd/0x170 [ 2175.642880][ T74] do_syscall_64+0xc6/0x1e0 [ 2175.642880][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2175.642880][ T74] [ 2175.644861][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2175.645099][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2175.645099][ T74] netdev_get_by_index+0x5e/0x80 [ 2175.645099][ T74] fib6_nh_init+0x3d8/0x1580 [ 2175.645099][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2175.645099][ T74] ip6_route_add+0x1c/0x140 [ 2175.645099][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2175.645099][ T74] inet6_addr_add+0x4f8/0xa40 [ 2175.645099][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2175.645099][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2175.645099][ T74] netlink_rcv_skb+0x130/0x360 [ 2175.645099][ T74] netlink_unicast+0x449/0x710 [ 2175.645099][ T74] netlink_sendmsg+0x723/0xbe0 [ 2175.645099][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2175.645099][ T74] ___sys_sendmsg+0xee/0x170 [ 2175.645099][ T74] __sys_sendmsg+0xcd/0x170 [ 2175.645099][ T74] do_syscall_64+0xc6/0x1e0 [ 2175.645099][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2175.645099][ T74] [ 2175.647335][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2175.647335][ T74] netdev_get_by_index+0x5e/0x80 [ 2175.647335][ T74] fib6_nh_init+0x3d8/0x1580 [ 2175.647335][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2175.647335][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2175.647335][ T74] ipv6_add_addr+0x411/0x2000 [ 2175.647335][ T74] inet6_addr_add+0x30e/0xa40 [ 2175.647335][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2175.647335][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2175.647335][ T74] netlink_rcv_skb+0x130/0x360 [ 2175.647335][ T74] netlink_unicast+0x449/0x710 [ 2175.647335][ T74] netlink_sendmsg+0x723/0xbe0 [ 2175.647335][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2175.647335][ T74] ___sys_sendmsg+0xee/0x170 [ 2175.647335][ T74] __sys_sendmsg+0xcd/0x170 [ 2175.647335][ T74] do_syscall_64+0xc6/0x1e0 [ 2175.647335][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2175.647335][ T74] [ 2175.649634][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2175.649634][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2175.649634][ T74] ipv6_find_idev+0x102/0x170 [ 2175.649634][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2175.649634][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2175.649634][ T74] netlink_rcv_skb+0x130/0x360 [ 2175.649634][ T74] netlink_unicast+0x449/0x710 [ 2175.649634][ T74] netlink_sendmsg+0x723/0xbe0 [ 2175.649634][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2175.649634][ T74] ___sys_sendmsg+0xee/0x170 [ 2175.649634][ T74] __sys_sendmsg+0xcd/0x170 [ 2175.649634][ T74] do_syscall_64+0xc6/0x1e0 [ 2175.649634][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2175.649634][ T74] [ 2175.651441][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2175.651441][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2175.651441][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2175.651441][ T74] ipv6_find_idev+0x102/0x170 [ 2175.651441][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2175.651441][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2175.651441][ T74] netlink_rcv_skb+0x130/0x360 [ 2175.651441][ T74] netlink_unicast+0x449/0x710 [ 2175.651441][ T74] netlink_sendmsg+0x723/0xbe0 [ 2175.651441][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2175.651441][ T74] ___sys_sendmsg+0xee/0x170 [ 2175.651441][ T74] __sys_sendmsg+0xcd/0x170 [ 2175.651441][ T74] do_syscall_64+0xc6/0x1e0 [ 2175.651441][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2175.651441][ T74] [ 2185.760002][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2185.760387][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2185.760387][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2185.760387][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2185.760387][ T74] fib6_nh_init+0xa22/0x1580 [ 2185.760387][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2185.760387][ T74] ip6_route_add+0x1c/0x140 [ 2185.760387][ T74] inet6_rtm_newroute+0x104/0x110 [ 2185.760387][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2185.760387][ T74] netlink_rcv_skb+0x130/0x360 [ 2185.760387][ T74] netlink_unicast+0x449/0x710 [ 2185.760387][ T74] netlink_sendmsg+0x723/0xbe0 [ 2185.760387][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2185.760387][ T74] ___sys_sendmsg+0xee/0x170 [ 2185.760387][ T74] __sys_sendmsg+0xcd/0x170 [ 2185.760387][ T74] do_syscall_64+0xc6/0x1e0 [ 2185.760387][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2185.760387][ T74] [ 2185.762292][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2185.762292][ T74] netdev_get_by_index+0x5e/0x80 [ 2185.762292][ T74] fib6_nh_init+0x3d8/0x1580 [ 2185.762292][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2185.762292][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2185.762292][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2185.762292][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2185.762292][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2185.762292][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2185.762292][ T74] addrconf_dad_begin+0x310/0x670 [ 2185.762292][ T74] addrconf_dad_work+0x10b/0xab0 [ 2185.762292][ T74] process_one_work+0x84d/0x18a0 [ 2185.762292][ T74] worker_thread+0x587/0xd30 [ 2185.762292][ T74] kthread+0x28a/0x350 [ 2185.762292][ T74] ret_from_fork+0x31/0x70 [ 2185.762292][ T74] ret_from_fork_asm+0x1a/0x30 [ 2185.762292][ T74] [ 2185.764219][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2185.764219][ T74] netdev_get_by_index+0x5e/0x80 [ 2185.764219][ T74] fib6_nh_init+0x3d8/0x1580 [ 2185.764219][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2185.764219][ T74] ip6_route_add+0x1c/0x140 [ 2185.764219][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2185.764219][ T74] inet6_addr_add+0x4f8/0xa40 [ 2185.764219][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2185.764219][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2185.764219][ T74] netlink_rcv_skb+0x130/0x360 [ 2185.764219][ T74] netlink_unicast+0x449/0x710 [ 2185.764219][ T74] netlink_sendmsg+0x723/0xbe0 [ 2185.764219][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2185.764219][ T74] ___sys_sendmsg+0xee/0x170 [ 2185.764219][ T74] __sys_sendmsg+0xcd/0x170 [ 2185.764219][ T74] do_syscall_64+0xc6/0x1e0 [ 2185.764219][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2185.764219][ T74] [ 2185.766224][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2185.766224][ T74] netdev_get_by_index+0x5e/0x80 [ 2185.766224][ T74] fib6_nh_init+0x3d8/0x1580 [ 2185.766224][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2185.766224][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2185.766224][ T74] ipv6_add_addr+0x411/0x2000 [ 2185.766224][ T74] inet6_addr_add+0x30e/0xa40 [ 2185.766224][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2185.766224][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2185.766224][ T74] netlink_rcv_skb+0x130/0x360 [ 2185.766224][ T74] netlink_unicast+0x449/0x710 [ 2185.766224][ T74] netlink_sendmsg+0x723/0xbe0 [ 2185.766224][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2185.766224][ T74] ___sys_sendmsg+0xee/0x170 [ 2185.766224][ T74] __sys_sendmsg+0xcd/0x170 [ 2185.766224][ T74] do_syscall_64+0xc6/0x1e0 [ 2185.766224][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2185.766224][ T74] [ 2185.768250][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2185.768250][ T74] netdev_get_by_index+0x5e/0x80 [ 2185.768250][ T74] fib6_nh_init+0x3d8/0x1580 [ 2185.768250][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2185.768250][ T74] ip6_route_add+0x1c/0x140 [ 2185.768250][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2185.768250][ T74] addrconf_add_dev+0xe2/0x170 [ 2185.768250][ T74] inet6_addr_add+0x12f/0xa40 [ 2185.768250][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2185.768250][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2185.768250][ T74] netlink_rcv_skb+0x130/0x360 [ 2185.768250][ T74] netlink_unicast+0x449/0x710 [ 2185.768250][ T74] netlink_sendmsg+0x723/0xbe0 [ 2185.768250][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2185.768250][ T74] ___sys_sendmsg+0xee/0x170 [ 2185.768250][ T74] __sys_sendmsg+0xcd/0x170 [ 2185.768250][ T74] do_syscall_64+0xc6/0x1e0 [ 2185.768250][ T74] [ 2185.770255][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2185.770255][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2185.770255][ T74] ipv6_find_idev+0x102/0x170 [ 2185.770255][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2185.770255][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2185.770255][ T74] netlink_rcv_skb+0x130/0x360 [ 2185.770255][ T74] netlink_unicast+0x449/0x710 [ 2185.770255][ T74] netlink_sendmsg+0x723/0xbe0 [ 2185.770255][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2185.770255][ T74] ___sys_sendmsg+0xee/0x170 [ 2185.770255][ T74] __sys_sendmsg+0xcd/0x170 [ 2185.770255][ T74] do_syscall_64+0xc6/0x1e0 [ 2185.770255][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2185.770255][ T74] [ 2185.771808][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2185.771808][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2185.771808][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2185.771808][ T74] ipv6_find_idev+0x102/0x170 [ 2185.771808][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2185.771808][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2185.771808][ T74] netlink_rcv_skb+0x130/0x360 [ 2185.771808][ T74] netlink_unicast+0x449/0x710 [ 2185.771808][ T74] netlink_sendmsg+0x723/0xbe0 [ 2185.771808][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2185.771808][ T74] ___sys_sendmsg+0xee/0x170 [ 2185.771808][ T74] __sys_sendmsg+0xcd/0x170 [ 2185.771808][ T74] do_syscall_64+0xc6/0x1e0 [ 2185.771808][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2185.771808][ T74] [ 2185.773535][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2185.773817][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2185.773817][ T74] dst_init+0x84/0x4a0 [ 2185.773817][ T74] dst_alloc+0x97/0x150 [ 2185.773817][ T74] ip6_dst_alloc+0x23/0x90 [ 2185.773817][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2185.773817][ T74] ip6_pol_route+0x56f/0x840 [ 2185.773817][ T74] fib6_rule_lookup+0x456/0x630 [ 2185.773817][ T74] ip6_route_input+0x59c/0xa50 [ 2185.773817][ T74] ipv6_rcv+0x397/0x810 [ 2185.773817][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2185.773817][ T74] process_backlog+0x101/0x620 [ 2185.773817][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2185.773817][ T74] net_rx_action+0x495/0xbe0 [ 2185.773817][ T74] __do_softirq+0x1b5/0x7f6 [ 2185.773817][ T74] [ 2185.775621][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2185.775621][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2185.775621][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2185.775621][ T74] fib6_nh_init+0xa22/0x1580 [ 2185.775621][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2185.775621][ T74] ip6_route_add+0x1c/0x140 [ 2185.775621][ T74] inet6_rtm_newroute+0x104/0x110 [ 2185.775621][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2185.775621][ T74] netlink_rcv_skb+0x130/0x360 [ 2185.775621][ T74] netlink_unicast+0x449/0x710 [ 2185.775621][ T74] netlink_sendmsg+0x723/0xbe0 [ 2185.775621][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2185.775621][ T74] ___sys_sendmsg+0xee/0x170 [ 2185.775621][ T74] __sys_sendmsg+0xcd/0x170 [ 2185.775621][ T74] do_syscall_64+0xc6/0x1e0 [ 2185.775621][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2185.775621][ T74] [ 2185.777514][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2185.777514][ T74] netdev_get_by_index+0x5e/0x80 [ 2185.777514][ T74] fib6_nh_init+0x3d8/0x1580 [ 2185.777514][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2185.777514][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2185.777514][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2185.777514][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2185.777514][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2185.777514][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2185.777514][ T74] addrconf_dad_begin+0x310/0x670 [ 2185.777514][ T74] addrconf_dad_work+0x10b/0xab0 [ 2185.777514][ T74] process_one_work+0x84d/0x18a0 [ 2185.777514][ T74] worker_thread+0x587/0xd30 [ 2185.777514][ T74] kthread+0x28a/0x350 [ 2185.777514][ T74] ret_from_fork+0x31/0x70 [ 2185.777514][ T74] ret_from_fork_asm+0x1a/0x30 [ 2185.777514][ T74] [ 2185.779436][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2185.779436][ T74] netdev_get_by_index+0x5e/0x80 [ 2185.779436][ T74] fib6_nh_init+0x3d8/0x1580 [ 2185.779436][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2185.779436][ T74] ip6_route_add+0x1c/0x140 [ 2185.779436][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2185.779436][ T74] inet6_addr_add+0x4f8/0xa40 [ 2185.779436][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2185.779436][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2185.779436][ T74] netlink_rcv_skb+0x130/0x360 [ 2185.779436][ T74] netlink_unicast+0x449/0x710 [ 2185.779436][ T74] netlink_sendmsg+0x723/0xbe0 [ 2185.779436][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2185.779436][ T74] ___sys_sendmsg+0xee/0x170 [ 2185.779436][ T74] __sys_sendmsg+0xcd/0x170 [ 2185.779436][ T74] do_syscall_64+0xc6/0x1e0 [ 2185.779436][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2185.779436][ T74] [ 2185.781458][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2185.781458][ T74] netdev_get_by_index+0x5e/0x80 [ 2185.781458][ T74] fib6_nh_init+0x3d8/0x1580 [ 2185.781458][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2185.781458][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2185.781458][ T74] ipv6_add_addr+0x411/0x2000 [ 2185.781458][ T74] inet6_addr_add+0x30e/0xa40 [ 2185.781458][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2185.781458][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2185.781458][ T74] netlink_rcv_skb+0x130/0x360 [ 2185.781458][ T74] netlink_unicast+0x449/0x710 [ 2185.781458][ T74] netlink_sendmsg+0x723/0xbe0 [ 2185.781458][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2185.781458][ T74] ___sys_sendmsg+0xee/0x170 [ 2185.781458][ T74] __sys_sendmsg+0xcd/0x170 [ 2185.781458][ T74] do_syscall_64+0xc6/0x1e0 [ 2185.781458][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2185.781458][ T74] [ 2185.783443][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2185.783443][ T74] netdev_get_by_index+0x5e/0x80 [ 2185.783443][ T74] fib6_nh_init+0x3d8/0x1580 [ 2185.783443][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2185.783443][ T74] ip6_route_add+0x1c/0x140 [ 2185.783443][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2185.783443][ T74] addrconf_add_dev+0xe2/0x170 [ 2185.783443][ T74] inet6_addr_add+0x12f/0xa40 [ 2185.783443][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2185.783443][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2185.783443][ T74] netlink_rcv_skb+0x130/0x360 [ 2185.783443][ T74] netlink_unicast+0x449/0x710 [ 2185.783443][ T74] netlink_sendmsg+0x723/0xbe0 [ 2185.783443][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2185.783443][ T74] ___sys_sendmsg+0xee/0x170 [ 2185.783443][ T74] __sys_sendmsg+0xcd/0x170 [ 2185.783443][ T74] do_syscall_64+0xc6/0x1e0 [ 2185.783443][ T74] [ 2185.785400][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2185.785400][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2185.785400][ T74] ipv6_find_idev+0x102/0x170 [ 2185.785400][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2185.785400][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2185.785400][ T74] netlink_rcv_skb+0x130/0x360 [ 2185.785400][ T74] netlink_unicast+0x449/0x710 [ 2185.785400][ T74] netlink_sendmsg+0x723/0xbe0 [ 2185.785400][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2185.785400][ T74] ___sys_sendmsg+0xee/0x170 [ 2185.785400][ T74] __sys_sendmsg+0xcd/0x170 [ 2185.785400][ T74] do_syscall_64+0xc6/0x1e0 [ 2185.785400][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2185.785400][ T74] [ 2185.787057][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2185.787057][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2185.787057][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2185.787057][ T74] ipv6_find_idev+0x102/0x170 [ 2185.787057][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2185.787057][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2185.787057][ T74] netlink_rcv_skb+0x130/0x360 [ 2185.787057][ T74] netlink_unicast+0x449/0x710 [ 2185.787057][ T74] netlink_sendmsg+0x723/0xbe0 [ 2185.787057][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2185.787057][ T74] ___sys_sendmsg+0xee/0x170 [ 2185.787057][ T74] __sys_sendmsg+0xcd/0x170 [ 2185.787057][ T74] do_syscall_64+0xc6/0x1e0 [ 2185.787057][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2185.787057][ T74] [ 2185.789036][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2185.789276][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2185.789276][ T74] netdev_get_by_index+0x5e/0x80 [ 2185.789276][ T74] fib6_nh_init+0x3d8/0x1580 [ 2185.789276][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2185.789276][ T74] ip6_route_add+0x1c/0x140 [ 2185.789276][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2185.789276][ T74] inet6_addr_add+0x4f8/0xa40 [ 2185.789276][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2185.789276][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2185.789276][ T74] netlink_rcv_skb+0x130/0x360 [ 2185.789276][ T74] netlink_unicast+0x449/0x710 [ 2185.789276][ T74] netlink_sendmsg+0x723/0xbe0 [ 2185.789276][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2185.789276][ T74] ___sys_sendmsg+0xee/0x170 [ 2185.789276][ T74] __sys_sendmsg+0xcd/0x170 [ 2185.789276][ T74] do_syscall_64+0xc6/0x1e0 [ 2185.789276][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2185.789276][ T74] [ 2185.791517][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2185.791517][ T74] netdev_get_by_index+0x5e/0x80 [ 2185.791517][ T74] fib6_nh_init+0x3d8/0x1580 [ 2185.791517][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2185.791517][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2185.791517][ T74] ipv6_add_addr+0x411/0x2000 [ 2185.791517][ T74] inet6_addr_add+0x30e/0xa40 [ 2185.791517][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2185.791517][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2185.791517][ T74] netlink_rcv_skb+0x130/0x360 [ 2185.791517][ T74] netlink_unicast+0x449/0x710 [ 2185.791517][ T74] netlink_sendmsg+0x723/0xbe0 [ 2185.791517][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2185.791517][ T74] ___sys_sendmsg+0xee/0x170 [ 2185.791517][ T74] __sys_sendmsg+0xcd/0x170 [ 2185.791517][ T74] do_syscall_64+0xc6/0x1e0 [ 2185.791517][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2185.791517][ T74] [ 2185.793742][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2185.793742][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2185.793742][ T74] ipv6_find_idev+0x102/0x170 [ 2185.793742][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2185.793742][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2185.793742][ T74] netlink_rcv_skb+0x130/0x360 [ 2185.793742][ T74] netlink_unicast+0x449/0x710 [ 2185.793742][ T74] netlink_sendmsg+0x723/0xbe0 [ 2185.793742][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2185.793742][ T74] ___sys_sendmsg+0xee/0x170 [ 2185.793742][ T74] __sys_sendmsg+0xcd/0x170 [ 2185.793742][ T74] do_syscall_64+0xc6/0x1e0 [ 2185.793742][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2185.793742][ T74] [ 2185.795535][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2185.795535][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2185.795535][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2185.795535][ T74] ipv6_find_idev+0x102/0x170 [ 2185.795535][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2185.795535][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2185.795535][ T74] netlink_rcv_skb+0x130/0x360 [ 2185.795535][ T74] netlink_unicast+0x449/0x710 [ 2185.795535][ T74] netlink_sendmsg+0x723/0xbe0 [ 2185.795535][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2185.795535][ T74] ___sys_sendmsg+0xee/0x170 [ 2185.795535][ T74] __sys_sendmsg+0xcd/0x170 [ 2185.795535][ T74] do_syscall_64+0xc6/0x1e0 [ 2185.795535][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2185.795535][ T74] [ 2196.047985][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2196.048461][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2196.048461][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2196.048461][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2196.048461][ T74] fib6_nh_init+0xa22/0x1580 [ 2196.048461][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2196.048461][ T74] ip6_route_add+0x1c/0x140 [ 2196.048461][ T74] inet6_rtm_newroute+0x104/0x110 [ 2196.048461][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2196.048461][ T74] netlink_rcv_skb+0x130/0x360 [ 2196.048461][ T74] netlink_unicast+0x449/0x710 [ 2196.048461][ T74] netlink_sendmsg+0x723/0xbe0 [ 2196.048461][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2196.048461][ T74] ___sys_sendmsg+0xee/0x170 [ 2196.048461][ T74] __sys_sendmsg+0xcd/0x170 [ 2196.048461][ T74] do_syscall_64+0xc6/0x1e0 [ 2196.048461][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2196.048461][ T74] [ 2196.050392][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2196.050392][ T74] netdev_get_by_index+0x5e/0x80 [ 2196.050392][ T74] fib6_nh_init+0x3d8/0x1580 [ 2196.050392][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2196.050392][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2196.050392][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2196.050392][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2196.050392][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2196.050392][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2196.050392][ T74] addrconf_dad_begin+0x310/0x670 [ 2196.050392][ T74] addrconf_dad_work+0x10b/0xab0 [ 2196.050392][ T74] process_one_work+0x84d/0x18a0 [ 2196.050392][ T74] worker_thread+0x587/0xd30 [ 2196.050392][ T74] kthread+0x28a/0x350 [ 2196.050392][ T74] ret_from_fork+0x31/0x70 [ 2196.050392][ T74] ret_from_fork_asm+0x1a/0x30 [ 2196.050392][ T74] [ 2196.052331][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2196.052331][ T74] netdev_get_by_index+0x5e/0x80 [ 2196.052331][ T74] fib6_nh_init+0x3d8/0x1580 [ 2196.052331][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2196.052331][ T74] ip6_route_add+0x1c/0x140 [ 2196.052331][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2196.052331][ T74] inet6_addr_add+0x4f8/0xa40 [ 2196.052331][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2196.052331][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2196.052331][ T74] netlink_rcv_skb+0x130/0x360 [ 2196.052331][ T74] netlink_unicast+0x449/0x710 [ 2196.052331][ T74] netlink_sendmsg+0x723/0xbe0 [ 2196.052331][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2196.052331][ T74] ___sys_sendmsg+0xee/0x170 [ 2196.052331][ T74] __sys_sendmsg+0xcd/0x170 [ 2196.052331][ T74] do_syscall_64+0xc6/0x1e0 [ 2196.052331][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2196.052331][ T74] [ 2196.054367][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2196.054367][ T74] netdev_get_by_index+0x5e/0x80 [ 2196.054367][ T74] fib6_nh_init+0x3d8/0x1580 [ 2196.054367][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2196.054367][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2196.054367][ T74] ipv6_add_addr+0x411/0x2000 [ 2196.054367][ T74] inet6_addr_add+0x30e/0xa40 [ 2196.054367][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2196.054367][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2196.054367][ T74] netlink_rcv_skb+0x130/0x360 [ 2196.054367][ T74] netlink_unicast+0x449/0x710 [ 2196.054367][ T74] netlink_sendmsg+0x723/0xbe0 [ 2196.054367][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2196.054367][ T74] ___sys_sendmsg+0xee/0x170 [ 2196.054367][ T74] __sys_sendmsg+0xcd/0x170 [ 2196.054367][ T74] do_syscall_64+0xc6/0x1e0 [ 2196.054367][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2196.054367][ T74] [ 2196.056375][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2196.056375][ T74] netdev_get_by_index+0x5e/0x80 [ 2196.056375][ T74] fib6_nh_init+0x3d8/0x1580 [ 2196.056375][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2196.056375][ T74] ip6_route_add+0x1c/0x140 [ 2196.056375][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2196.056375][ T74] addrconf_add_dev+0xe2/0x170 [ 2196.056375][ T74] inet6_addr_add+0x12f/0xa40 [ 2196.056375][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2196.056375][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2196.056375][ T74] netlink_rcv_skb+0x130/0x360 [ 2196.056375][ T74] netlink_unicast+0x449/0x710 [ 2196.056375][ T74] netlink_sendmsg+0x723/0xbe0 [ 2196.056375][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2196.056375][ T74] ___sys_sendmsg+0xee/0x170 [ 2196.056375][ T74] __sys_sendmsg+0xcd/0x170 [ 2196.056375][ T74] do_syscall_64+0xc6/0x1e0 [ 2196.056375][ T74] [ 2196.058369][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2196.058369][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2196.058369][ T74] ipv6_find_idev+0x102/0x170 [ 2196.058369][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2196.058369][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2196.058369][ T74] netlink_rcv_skb+0x130/0x360 [ 2196.058369][ T74] netlink_unicast+0x449/0x710 [ 2196.058369][ T74] netlink_sendmsg+0x723/0xbe0 [ 2196.058369][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2196.058369][ T74] ___sys_sendmsg+0xee/0x170 [ 2196.058369][ T74] __sys_sendmsg+0xcd/0x170 [ 2196.058369][ T74] do_syscall_64+0xc6/0x1e0 [ 2196.058369][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2196.058369][ T74] [ 2196.059928][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2196.059928][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2196.059928][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2196.059928][ T74] ipv6_find_idev+0x102/0x170 [ 2196.059928][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2196.059928][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2196.059928][ T74] netlink_rcv_skb+0x130/0x360 [ 2196.059928][ T74] netlink_unicast+0x449/0x710 [ 2196.059928][ T74] netlink_sendmsg+0x723/0xbe0 [ 2196.059928][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2196.059928][ T74] ___sys_sendmsg+0xee/0x170 [ 2196.059928][ T74] __sys_sendmsg+0xcd/0x170 [ 2196.059928][ T74] do_syscall_64+0xc6/0x1e0 [ 2196.059928][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2196.059928][ T74] [ 2196.061652][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2196.061947][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2196.061947][ T74] dst_init+0x84/0x4a0 [ 2196.061947][ T74] dst_alloc+0x97/0x150 [ 2196.061947][ T74] ip6_dst_alloc+0x23/0x90 [ 2196.061947][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2196.061947][ T74] ip6_pol_route+0x56f/0x840 [ 2196.061947][ T74] fib6_rule_lookup+0x456/0x630 [ 2196.061947][ T74] ip6_route_input+0x59c/0xa50 [ 2196.061947][ T74] ipv6_rcv+0x397/0x810 [ 2196.061947][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2196.061947][ T74] process_backlog+0x101/0x620 [ 2196.061947][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2196.061947][ T74] net_rx_action+0x495/0xbe0 [ 2196.061947][ T74] __do_softirq+0x1b5/0x7f6 [ 2196.061947][ T74] [ 2196.063599][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2196.063599][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2196.063599][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2196.063599][ T74] fib6_nh_init+0xa22/0x1580 [ 2196.063599][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2196.063599][ T74] ip6_route_add+0x1c/0x140 [ 2196.063599][ T74] inet6_rtm_newroute+0x104/0x110 [ 2196.063599][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2196.063599][ T74] netlink_rcv_skb+0x130/0x360 [ 2196.063599][ T74] netlink_unicast+0x449/0x710 [ 2196.063599][ T74] netlink_sendmsg+0x723/0xbe0 [ 2196.063599][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2196.063599][ T74] ___sys_sendmsg+0xee/0x170 [ 2196.063599][ T74] __sys_sendmsg+0xcd/0x170 [ 2196.063599][ T74] do_syscall_64+0xc6/0x1e0 [ 2196.063599][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2196.063599][ T74] [ 2196.065501][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2196.065501][ T74] netdev_get_by_index+0x5e/0x80 [ 2196.065501][ T74] fib6_nh_init+0x3d8/0x1580 [ 2196.065501][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2196.065501][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2196.065501][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2196.065501][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2196.065501][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2196.065501][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2196.065501][ T74] addrconf_dad_begin+0x310/0x670 [ 2196.065501][ T74] addrconf_dad_work+0x10b/0xab0 [ 2196.065501][ T74] process_one_work+0x84d/0x18a0 [ 2196.065501][ T74] worker_thread+0x587/0xd30 [ 2196.065501][ T74] kthread+0x28a/0x350 [ 2196.065501][ T74] ret_from_fork+0x31/0x70 [ 2196.065501][ T74] ret_from_fork_asm+0x1a/0x30 [ 2196.065501][ T74] [ 2196.067424][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2196.067424][ T74] netdev_get_by_index+0x5e/0x80 [ 2196.067424][ T74] fib6_nh_init+0x3d8/0x1580 [ 2196.067424][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2196.067424][ T74] ip6_route_add+0x1c/0x140 [ 2196.067424][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2196.067424][ T74] inet6_addr_add+0x4f8/0xa40 [ 2196.067424][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2196.067424][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2196.067424][ T74] netlink_rcv_skb+0x130/0x360 [ 2196.067424][ T74] netlink_unicast+0x449/0x710 [ 2196.067424][ T74] netlink_sendmsg+0x723/0xbe0 [ 2196.067424][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2196.067424][ T74] ___sys_sendmsg+0xee/0x170 [ 2196.067424][ T74] __sys_sendmsg+0xcd/0x170 [ 2196.067424][ T74] do_syscall_64+0xc6/0x1e0 [ 2196.067424][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2196.067424][ T74] [ 2196.069444][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2196.069444][ T74] netdev_get_by_index+0x5e/0x80 [ 2196.069444][ T74] fib6_nh_init+0x3d8/0x1580 [ 2196.069444][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2196.069444][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2196.069444][ T74] ipv6_add_addr+0x411/0x2000 [ 2196.069444][ T74] inet6_addr_add+0x30e/0xa40 [ 2196.069444][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2196.069444][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2196.069444][ T74] netlink_rcv_skb+0x130/0x360 [ 2196.069444][ T74] netlink_unicast+0x449/0x710 [ 2196.069444][ T74] netlink_sendmsg+0x723/0xbe0 [ 2196.069444][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2196.069444][ T74] ___sys_sendmsg+0xee/0x170 [ 2196.069444][ T74] __sys_sendmsg+0xcd/0x170 [ 2196.069444][ T74] do_syscall_64+0xc6/0x1e0 [ 2196.069444][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2196.069444][ T74] [ 2196.071452][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2196.071452][ T74] netdev_get_by_index+0x5e/0x80 [ 2196.071452][ T74] fib6_nh_init+0x3d8/0x1580 [ 2196.071452][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2196.071452][ T74] ip6_route_add+0x1c/0x140 [ 2196.071452][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2196.071452][ T74] addrconf_add_dev+0xe2/0x170 [ 2196.071452][ T74] inet6_addr_add+0x12f/0xa40 [ 2196.071452][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2196.071452][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2196.071452][ T74] netlink_rcv_skb+0x130/0x360 [ 2196.071452][ T74] netlink_unicast+0x449/0x710 [ 2196.071452][ T74] netlink_sendmsg+0x723/0xbe0 [ 2196.071452][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2196.071452][ T74] ___sys_sendmsg+0xee/0x170 [ 2196.071452][ T74] __sys_sendmsg+0xcd/0x170 [ 2196.071452][ T74] do_syscall_64+0xc6/0x1e0 [ 2196.071452][ T74] [ 2196.073423][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2196.073423][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2196.073423][ T74] ipv6_find_idev+0x102/0x170 [ 2196.073423][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2196.073423][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2196.073423][ T74] netlink_rcv_skb+0x130/0x360 [ 2196.073423][ T74] netlink_unicast+0x449/0x710 [ 2196.073423][ T74] netlink_sendmsg+0x723/0xbe0 [ 2196.073423][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2196.073423][ T74] ___sys_sendmsg+0xee/0x170 [ 2196.073423][ T74] __sys_sendmsg+0xcd/0x170 [ 2196.073423][ T74] do_syscall_64+0xc6/0x1e0 [ 2196.073423][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2196.073423][ T74] [ 2196.075090][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2196.075090][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2196.075090][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2196.075090][ T74] ipv6_find_idev+0x102/0x170 [ 2196.075090][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2196.075090][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2196.075090][ T74] netlink_rcv_skb+0x130/0x360 [ 2196.075090][ T74] netlink_unicast+0x449/0x710 [ 2196.075090][ T74] netlink_sendmsg+0x723/0xbe0 [ 2196.075090][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2196.075090][ T74] ___sys_sendmsg+0xee/0x170 [ 2196.075090][ T74] __sys_sendmsg+0xcd/0x170 [ 2196.075090][ T74] do_syscall_64+0xc6/0x1e0 [ 2196.075090][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2196.075090][ T74] [ 2196.077036][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2196.077336][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2196.077336][ T74] netdev_get_by_index+0x5e/0x80 [ 2196.077336][ T74] fib6_nh_init+0x3d8/0x1580 [ 2196.077336][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2196.077336][ T74] ip6_route_add+0x1c/0x140 [ 2196.077336][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2196.077336][ T74] inet6_addr_add+0x4f8/0xa40 [ 2196.077336][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2196.077336][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2196.077336][ T74] netlink_rcv_skb+0x130/0x360 [ 2196.077336][ T74] netlink_unicast+0x449/0x710 [ 2196.077336][ T74] netlink_sendmsg+0x723/0xbe0 [ 2196.077336][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2196.077336][ T74] ___sys_sendmsg+0xee/0x170 [ 2196.077336][ T74] __sys_sendmsg+0xcd/0x170 [ 2196.077336][ T74] do_syscall_64+0xc6/0x1e0 [ 2196.077336][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2196.077336][ T74] [ 2196.079548][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2196.079548][ T74] netdev_get_by_index+0x5e/0x80 [ 2196.079548][ T74] fib6_nh_init+0x3d8/0x1580 [ 2196.079548][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2196.079548][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2196.079548][ T74] ipv6_add_addr+0x411/0x2000 [ 2196.079548][ T74] inet6_addr_add+0x30e/0xa40 [ 2196.079548][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2196.079548][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2196.079548][ T74] netlink_rcv_skb+0x130/0x360 [ 2196.079548][ T74] netlink_unicast+0x449/0x710 [ 2196.079548][ T74] netlink_sendmsg+0x723/0xbe0 [ 2196.079548][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2196.079548][ T74] ___sys_sendmsg+0xee/0x170 [ 2196.079548][ T74] __sys_sendmsg+0xcd/0x170 [ 2196.079548][ T74] do_syscall_64+0xc6/0x1e0 [ 2196.079548][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2196.079548][ T74] [ 2196.081794][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2196.081794][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2196.081794][ T74] ipv6_find_idev+0x102/0x170 [ 2196.081794][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2196.081794][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2196.081794][ T74] netlink_rcv_skb+0x130/0x360 [ 2196.081794][ T74] netlink_unicast+0x449/0x710 [ 2196.081794][ T74] netlink_sendmsg+0x723/0xbe0 [ 2196.081794][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2196.081794][ T74] ___sys_sendmsg+0xee/0x170 [ 2196.081794][ T74] __sys_sendmsg+0xcd/0x170 [ 2196.081794][ T74] do_syscall_64+0xc6/0x1e0 [ 2196.081794][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2196.081794][ T74] [ 2196.083513][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2196.083513][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2196.083513][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2196.083513][ T74] ipv6_find_idev+0x102/0x170 [ 2196.083513][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2196.083513][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2196.083513][ T74] netlink_rcv_skb+0x130/0x360 [ 2196.083513][ T74] netlink_unicast+0x449/0x710 [ 2196.083513][ T74] netlink_sendmsg+0x723/0xbe0 [ 2196.083513][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2196.083513][ T74] ___sys_sendmsg+0xee/0x170 [ 2196.083513][ T74] __sys_sendmsg+0xcd/0x170 [ 2196.083513][ T74] do_syscall_64+0xc6/0x1e0 [ 2196.083513][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2196.083513][ T74] [ 2206.335913][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2206.336285][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2206.336285][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2206.336285][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2206.336285][ T74] fib6_nh_init+0xa22/0x1580 [ 2206.336285][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2206.336285][ T74] ip6_route_add+0x1c/0x140 [ 2206.336285][ T74] inet6_rtm_newroute+0x104/0x110 [ 2206.336285][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2206.336285][ T74] netlink_rcv_skb+0x130/0x360 [ 2206.336285][ T74] netlink_unicast+0x449/0x710 [ 2206.336285][ T74] netlink_sendmsg+0x723/0xbe0 [ 2206.336285][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2206.336285][ T74] ___sys_sendmsg+0xee/0x170 [ 2206.336285][ T74] __sys_sendmsg+0xcd/0x170 [ 2206.336285][ T74] do_syscall_64+0xc6/0x1e0 [ 2206.336285][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2206.336285][ T74] [ 2206.338223][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2206.338223][ T74] netdev_get_by_index+0x5e/0x80 [ 2206.338223][ T74] fib6_nh_init+0x3d8/0x1580 [ 2206.338223][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2206.338223][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2206.338223][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2206.338223][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2206.338223][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2206.338223][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2206.338223][ T74] addrconf_dad_begin+0x310/0x670 [ 2206.338223][ T74] addrconf_dad_work+0x10b/0xab0 [ 2206.338223][ T74] process_one_work+0x84d/0x18a0 [ 2206.338223][ T74] worker_thread+0x587/0xd30 [ 2206.338223][ T74] kthread+0x28a/0x350 [ 2206.338223][ T74] ret_from_fork+0x31/0x70 [ 2206.338223][ T74] ret_from_fork_asm+0x1a/0x30 [ 2206.338223][ T74] [ 2206.340206][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2206.340206][ T74] netdev_get_by_index+0x5e/0x80 [ 2206.340206][ T74] fib6_nh_init+0x3d8/0x1580 [ 2206.340206][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2206.340206][ T74] ip6_route_add+0x1c/0x140 [ 2206.340206][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2206.340206][ T74] inet6_addr_add+0x4f8/0xa40 [ 2206.340206][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2206.340206][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2206.340206][ T74] netlink_rcv_skb+0x130/0x360 [ 2206.340206][ T74] netlink_unicast+0x449/0x710 [ 2206.340206][ T74] netlink_sendmsg+0x723/0xbe0 [ 2206.340206][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2206.340206][ T74] ___sys_sendmsg+0xee/0x170 [ 2206.340206][ T74] __sys_sendmsg+0xcd/0x170 [ 2206.340206][ T74] do_syscall_64+0xc6/0x1e0 [ 2206.340206][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2206.340206][ T74] [ 2206.342238][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2206.342238][ T74] netdev_get_by_index+0x5e/0x80 [ 2206.342238][ T74] fib6_nh_init+0x3d8/0x1580 [ 2206.342238][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2206.342238][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2206.342238][ T74] ipv6_add_addr+0x411/0x2000 [ 2206.342238][ T74] inet6_addr_add+0x30e/0xa40 [ 2206.342238][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2206.342238][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2206.342238][ T74] netlink_rcv_skb+0x130/0x360 [ 2206.342238][ T74] netlink_unicast+0x449/0x710 [ 2206.342238][ T74] netlink_sendmsg+0x723/0xbe0 [ 2206.342238][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2206.342238][ T74] ___sys_sendmsg+0xee/0x170 [ 2206.342238][ T74] __sys_sendmsg+0xcd/0x170 [ 2206.342238][ T74] do_syscall_64+0xc6/0x1e0 [ 2206.342238][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2206.342238][ T74] [ 2206.344261][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2206.344261][ T74] netdev_get_by_index+0x5e/0x80 [ 2206.344261][ T74] fib6_nh_init+0x3d8/0x1580 [ 2206.344261][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2206.344261][ T74] ip6_route_add+0x1c/0x140 [ 2206.344261][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2206.344261][ T74] addrconf_add_dev+0xe2/0x170 [ 2206.344261][ T74] inet6_addr_add+0x12f/0xa40 [ 2206.344261][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2206.344261][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2206.344261][ T74] netlink_rcv_skb+0x130/0x360 [ 2206.344261][ T74] netlink_unicast+0x449/0x710 [ 2206.344261][ T74] netlink_sendmsg+0x723/0xbe0 [ 2206.344261][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2206.344261][ T74] ___sys_sendmsg+0xee/0x170 [ 2206.344261][ T74] __sys_sendmsg+0xcd/0x170 [ 2206.344261][ T74] do_syscall_64+0xc6/0x1e0 [ 2206.344261][ T74] [ 2206.346273][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2206.346273][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2206.346273][ T74] ipv6_find_idev+0x102/0x170 [ 2206.346273][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2206.346273][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2206.346273][ T74] netlink_rcv_skb+0x130/0x360 [ 2206.346273][ T74] netlink_unicast+0x449/0x710 [ 2206.346273][ T74] netlink_sendmsg+0x723/0xbe0 [ 2206.346273][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2206.346273][ T74] ___sys_sendmsg+0xee/0x170 [ 2206.346273][ T74] __sys_sendmsg+0xcd/0x170 [ 2206.346273][ T74] do_syscall_64+0xc6/0x1e0 [ 2206.346273][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2206.346273][ T74] [ 2206.347927][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2206.347927][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2206.347927][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2206.347927][ T74] ipv6_find_idev+0x102/0x170 [ 2206.347927][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2206.347927][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2206.347927][ T74] netlink_rcv_skb+0x130/0x360 [ 2206.347927][ T74] netlink_unicast+0x449/0x710 [ 2206.347927][ T74] netlink_sendmsg+0x723/0xbe0 [ 2206.347927][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2206.347927][ T74] ___sys_sendmsg+0xee/0x170 [ 2206.347927][ T74] __sys_sendmsg+0xcd/0x170 [ 2206.347927][ T74] do_syscall_64+0xc6/0x1e0 [ 2206.347927][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2206.347927][ T74] [ 2206.349646][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2206.349958][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2206.349958][ T74] dst_init+0x84/0x4a0 [ 2206.349958][ T74] dst_alloc+0x97/0x150 [ 2206.349958][ T74] ip6_dst_alloc+0x23/0x90 [ 2206.349958][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2206.349958][ T74] ip6_pol_route+0x56f/0x840 [ 2206.349958][ T74] fib6_rule_lookup+0x456/0x630 [ 2206.349958][ T74] ip6_route_input+0x59c/0xa50 [ 2206.349958][ T74] ipv6_rcv+0x397/0x810 [ 2206.349958][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2206.349958][ T74] process_backlog+0x101/0x620 [ 2206.349958][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2206.349958][ T74] net_rx_action+0x495/0xbe0 [ 2206.349958][ T74] __do_softirq+0x1b5/0x7f6 [ 2206.349958][ T74] [ 2206.351605][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2206.351605][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2206.351605][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2206.351605][ T74] fib6_nh_init+0xa22/0x1580 [ 2206.351605][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2206.351605][ T74] ip6_route_add+0x1c/0x140 [ 2206.351605][ T74] inet6_rtm_newroute+0x104/0x110 [ 2206.351605][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2206.351605][ T74] netlink_rcv_skb+0x130/0x360 [ 2206.351605][ T74] netlink_unicast+0x449/0x710 [ 2206.351605][ T74] netlink_sendmsg+0x723/0xbe0 [ 2206.351605][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2206.351605][ T74] ___sys_sendmsg+0xee/0x170 [ 2206.351605][ T74] __sys_sendmsg+0xcd/0x170 [ 2206.351605][ T74] do_syscall_64+0xc6/0x1e0 [ 2206.351605][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2206.351605][ T74] [ 2206.353509][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2206.353509][ T74] netdev_get_by_index+0x5e/0x80 [ 2206.353509][ T74] fib6_nh_init+0x3d8/0x1580 [ 2206.353509][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2206.353509][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2206.353509][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2206.353509][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2206.353509][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2206.353509][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2206.353509][ T74] addrconf_dad_begin+0x310/0x670 [ 2206.353509][ T74] addrconf_dad_work+0x10b/0xab0 [ 2206.353509][ T74] process_one_work+0x84d/0x18a0 [ 2206.353509][ T74] worker_thread+0x587/0xd30 [ 2206.353509][ T74] kthread+0x28a/0x350 [ 2206.353509][ T74] ret_from_fork+0x31/0x70 [ 2206.353509][ T74] ret_from_fork_asm+0x1a/0x30 [ 2206.353509][ T74] [ 2206.355466][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2206.355466][ T74] netdev_get_by_index+0x5e/0x80 [ 2206.355466][ T74] fib6_nh_init+0x3d8/0x1580 [ 2206.355466][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2206.355466][ T74] ip6_route_add+0x1c/0x140 [ 2206.355466][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2206.355466][ T74] inet6_addr_add+0x4f8/0xa40 [ 2206.355466][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2206.355466][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2206.355466][ T74] netlink_rcv_skb+0x130/0x360 [ 2206.355466][ T74] netlink_unicast+0x449/0x710 [ 2206.355466][ T74] netlink_sendmsg+0x723/0xbe0 [ 2206.355466][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2206.355466][ T74] ___sys_sendmsg+0xee/0x170 [ 2206.355466][ T74] __sys_sendmsg+0xcd/0x170 [ 2206.355466][ T74] do_syscall_64+0xc6/0x1e0 [ 2206.355466][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2206.355466][ T74] [ 2206.357463][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2206.357463][ T74] netdev_get_by_index+0x5e/0x80 [ 2206.357463][ T74] fib6_nh_init+0x3d8/0x1580 [ 2206.357463][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2206.357463][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2206.357463][ T74] ipv6_add_addr+0x411/0x2000 [ 2206.357463][ T74] inet6_addr_add+0x30e/0xa40 [ 2206.357463][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2206.357463][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2206.357463][ T74] netlink_rcv_skb+0x130/0x360 [ 2206.357463][ T74] netlink_unicast+0x449/0x710 [ 2206.357463][ T74] netlink_sendmsg+0x723/0xbe0 [ 2206.357463][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2206.357463][ T74] ___sys_sendmsg+0xee/0x170 [ 2206.357463][ T74] __sys_sendmsg+0xcd/0x170 [ 2206.357463][ T74] do_syscall_64+0xc6/0x1e0 [ 2206.357463][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2206.357463][ T74] [ 2206.359463][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2206.359463][ T74] netdev_get_by_index+0x5e/0x80 [ 2206.359463][ T74] fib6_nh_init+0x3d8/0x1580 [ 2206.359463][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2206.359463][ T74] ip6_route_add+0x1c/0x140 [ 2206.359463][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2206.359463][ T74] addrconf_add_dev+0xe2/0x170 [ 2206.359463][ T74] inet6_addr_add+0x12f/0xa40 [ 2206.359463][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2206.359463][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2206.359463][ T74] netlink_rcv_skb+0x130/0x360 [ 2206.359463][ T74] netlink_unicast+0x449/0x710 [ 2206.359463][ T74] netlink_sendmsg+0x723/0xbe0 [ 2206.359463][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2206.359463][ T74] ___sys_sendmsg+0xee/0x170 [ 2206.359463][ T74] __sys_sendmsg+0xcd/0x170 [ 2206.359463][ T74] do_syscall_64+0xc6/0x1e0 [ 2206.359463][ T74] [ 2206.361421][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2206.361421][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2206.361421][ T74] ipv6_find_idev+0x102/0x170 [ 2206.361421][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2206.361421][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2206.361421][ T74] netlink_rcv_skb+0x130/0x360 [ 2206.361421][ T74] netlink_unicast+0x449/0x710 [ 2206.361421][ T74] netlink_sendmsg+0x723/0xbe0 [ 2206.361421][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2206.361421][ T74] ___sys_sendmsg+0xee/0x170 [ 2206.361421][ T74] __sys_sendmsg+0xcd/0x170 [ 2206.361421][ T74] do_syscall_64+0xc6/0x1e0 [ 2206.361421][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2206.361421][ T74] [ 2206.363090][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2206.363090][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2206.363090][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2206.363090][ T74] ipv6_find_idev+0x102/0x170 [ 2206.363090][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2206.363090][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2206.363090][ T74] netlink_rcv_skb+0x130/0x360 [ 2206.363090][ T74] netlink_unicast+0x449/0x710 [ 2206.363090][ T74] netlink_sendmsg+0x723/0xbe0 [ 2206.363090][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2206.363090][ T74] ___sys_sendmsg+0xee/0x170 [ 2206.363090][ T74] __sys_sendmsg+0xcd/0x170 [ 2206.363090][ T74] do_syscall_64+0xc6/0x1e0 [ 2206.363090][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2206.363090][ T74] [ 2206.365014][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2206.365315][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2206.365315][ T74] netdev_get_by_index+0x5e/0x80 [ 2206.365315][ T74] fib6_nh_init+0x3d8/0x1580 [ 2206.365315][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2206.365315][ T74] ip6_route_add+0x1c/0x140 [ 2206.365315][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2206.365315][ T74] inet6_addr_add+0x4f8/0xa40 [ 2206.365315][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2206.365315][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2206.365315][ T74] netlink_rcv_skb+0x130/0x360 [ 2206.365315][ T74] netlink_unicast+0x449/0x710 [ 2206.365315][ T74] netlink_sendmsg+0x723/0xbe0 [ 2206.365315][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2206.365315][ T74] ___sys_sendmsg+0xee/0x170 [ 2206.365315][ T74] __sys_sendmsg+0xcd/0x170 [ 2206.365315][ T74] do_syscall_64+0xc6/0x1e0 [ 2206.365315][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2206.365315][ T74] [ 2206.367496][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2206.367496][ T74] netdev_get_by_index+0x5e/0x80 [ 2206.367496][ T74] fib6_nh_init+0x3d8/0x1580 [ 2206.367496][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2206.367496][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2206.367496][ T74] ipv6_add_addr+0x411/0x2000 [ 2206.367496][ T74] inet6_addr_add+0x30e/0xa40 [ 2206.367496][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2206.367496][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2206.367496][ T74] netlink_rcv_skb+0x130/0x360 [ 2206.367496][ T74] netlink_unicast+0x449/0x710 [ 2206.367496][ T74] netlink_sendmsg+0x723/0xbe0 [ 2206.367496][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2206.367496][ T74] ___sys_sendmsg+0xee/0x170 [ 2206.367496][ T74] __sys_sendmsg+0xcd/0x170 [ 2206.367496][ T74] do_syscall_64+0xc6/0x1e0 [ 2206.367496][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2206.367496][ T74] [ 2206.369734][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2206.369734][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2206.369734][ T74] ipv6_find_idev+0x102/0x170 [ 2206.369734][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2206.369734][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2206.369734][ T74] netlink_rcv_skb+0x130/0x360 [ 2206.369734][ T74] netlink_unicast+0x449/0x710 [ 2206.369734][ T74] netlink_sendmsg+0x723/0xbe0 [ 2206.369734][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2206.369734][ T74] ___sys_sendmsg+0xee/0x170 [ 2206.369734][ T74] __sys_sendmsg+0xcd/0x170 [ 2206.369734][ T74] do_syscall_64+0xc6/0x1e0 [ 2206.369734][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2206.369734][ T74] [ 2206.371445][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2206.371445][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2206.371445][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2206.371445][ T74] ipv6_find_idev+0x102/0x170 [ 2206.371445][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2206.371445][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2206.371445][ T74] netlink_rcv_skb+0x130/0x360 [ 2206.371445][ T74] netlink_unicast+0x449/0x710 [ 2206.371445][ T74] netlink_sendmsg+0x723/0xbe0 [ 2206.371445][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2206.371445][ T74] ___sys_sendmsg+0xee/0x170 [ 2206.371445][ T74] __sys_sendmsg+0xcd/0x170 [ 2206.371445][ T74] do_syscall_64+0xc6/0x1e0 [ 2206.371445][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2206.371445][ T74] [ 2213.160010][ T42] INFO: task modprobe:7619 blocked for more than 614 seconds. [ 2213.160496][ T42] Not tainted 6.8.0-virtme #1 [ 2213.160671][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 2213.161029][ T42] task:modprobe state:D stack:25856 pid:7619 tgid:7619 ppid:62 flags:0x00004002 [ 2213.161402][ T42] Call Trace: [ 2213.161559][ T42] [ 2213.161644][ T42] __schedule+0x705/0x1ac0 [ 2213.161876][ T42] ? __pfx___schedule+0x10/0x10 [ 2213.162070][ T42] ? schedule+0x1a5/0x210 [ 2213.162220][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 2213.162420][ T42] ? mark_lock+0x38/0x3e0 [ 2213.162582][ T42] ? do_raw_spin_lock+0x131/0x270 [ 2213.162721][ T42] ? schedule+0x1a5/0x210 [ 2213.162914][ T42] schedule+0xdf/0x210 [ 2213.163075][ T42] schedule_preempt_disabled+0x15/0x30 [ 2213.163262][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 2213.163451][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 2213.163644][ T42] ? __pfx_console_unlock+0x10/0x10 [ 2213.163861][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 2213.164072][ T42] ? lock_acquire+0x1c1/0x220 [ 2213.164274][ T42] ? register_pernet_subsys+0x1a/0x50 [ 2213.164476][ T42] down_write+0x1c9/0x200 [ 2213.164634][ T42] ? __pfx_down_write+0x10/0x10 [ 2213.164826][ T42] ? __pfx__printk+0x10/0x10 [ 2213.165045][ T42] ? __pfx___lock_release+0x10/0x10 [ 2213.165242][ T42] register_pernet_subsys+0x1a/0x50 [ 2213.165400][ T42] tcf_register_action+0xa3/0x600 [ 2213.165558][ T42] ? __pfx_gact_init_module+0x10/0x10 [act_gact] [ 2213.165799][ T42] do_one_initcall+0xc8/0x3f0 [ 2213.166019][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 2213.166216][ T42] ? __create_object+0x5e/0xb0 [ 2213.166416][ T42] ? kasan_unpoison+0x27/0x60 [ 2213.166619][ T42] do_init_module+0x233/0x740 [ 2213.166827][ T42] load_module+0x16b5/0x2350 [ 2213.167060][ T42] ? __pfx_load_module+0x10/0x10 [ 2213.167252][ T42] ? kernel_read_file+0x3d2/0x520 [ 2213.167463][ T42] ? kernel_read_file+0x300/0x520 [ 2213.167667][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 2213.167898][ T42] ? init_module_from_file+0xd2/0x130 [ 2213.168102][ T42] init_module_from_file+0xd2/0x130 [ 2213.168319][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 2213.168578][ T42] ? __lock_release+0x103/0x460 [ 2213.168777][ T42] ? idempotent_init_module+0x32a/0x620 [ 2213.169012][ T42] ? idempotent_init_module+0x32a/0x620 [ 2213.169192][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 2213.169387][ T42] idempotent_init_module+0x342/0x620 [ 2213.169575][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 2213.169835][ T42] __x64_sys_finit_module+0xbe/0x130 [ 2213.170050][ T42] do_syscall_64+0xc6/0x1e0 [ 2213.170241][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2213.170465][ T42] RIP: 0033:0x7f1db4f62e5d [ 2213.170701][ T42] RSP: 002b:00007ffe8261b448 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 2213.171002][ T42] RAX: ffffffffffffffda RBX: 0000555e1791ec80 RCX: 00007f1db4f62e5d [ 2213.171284][ T42] RDX: 0000000000000000 RSI: 0000555dd93dca2a RDI: 0000000000000000 [ 2213.171551][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007ffe8261b580 [ 2213.171818][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555dd93dca2a [ 2213.172115][ T42] R13: 0000555e1791eac0 R14: 0000555e1791f0b0 R15: 0000555e1791ecf1 [ 2213.172414][ T42] [ 2213.172552][ T42] [ 2213.172552][ T42] Showing all locks held in the system: [ 2213.172804][ T42] 1 lock held by khungtaskd/42: [ 2213.173000][ T42] #0: ffffffff9a7591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 2213.173341][ T42] 2 locks held by kworker/u18:1/62: [ 2213.173518][ T42] #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 2213.173899][ T42] #1: ffffc9000043fda0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 2213.174315][ T42] 3 locks held by kworker/u16:1/74: [ 2213.174488][ T42] #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 2213.174864][ T42] #1: ffffc900004ffda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 2213.175193][ T42] #2: ffffffff9af6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60 [ 2213.175524][ T42] 1 lock held by modprobe/7619: [ 2213.175698][ T42] #0: ffffffff9af6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 2213.176081][ T42] [ 2213.176171][ T42] ============================================= [ 2213.176171][ T42] [ 2216.623950][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2216.624483][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2216.624483][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2216.624483][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2216.624483][ T74] fib6_nh_init+0xa22/0x1580 [ 2216.624483][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2216.624483][ T74] ip6_route_add+0x1c/0x140 [ 2216.624483][ T74] inet6_rtm_newroute+0x104/0x110 [ 2216.624483][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2216.624483][ T74] netlink_rcv_skb+0x130/0x360 [ 2216.624483][ T74] netlink_unicast+0x449/0x710 [ 2216.624483][ T74] netlink_sendmsg+0x723/0xbe0 [ 2216.624483][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2216.624483][ T74] ___sys_sendmsg+0xee/0x170 [ 2216.624483][ T74] __sys_sendmsg+0xcd/0x170 [ 2216.624483][ T74] do_syscall_64+0xc6/0x1e0 [ 2216.624483][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2216.624483][ T74] [ 2216.627426][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2216.627426][ T74] netdev_get_by_index+0x5e/0x80 [ 2216.627426][ T74] fib6_nh_init+0x3d8/0x1580 [ 2216.627426][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2216.627426][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2216.627426][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2216.627426][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2216.627426][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2216.627426][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2216.627426][ T74] addrconf_dad_begin+0x310/0x670 [ 2216.627426][ T74] addrconf_dad_work+0x10b/0xab0 [ 2216.627426][ T74] process_one_work+0x84d/0x18a0 [ 2216.627426][ T74] worker_thread+0x587/0xd30 [ 2216.627426][ T74] kthread+0x28a/0x350 [ 2216.627426][ T74] ret_from_fork+0x31/0x70 [ 2216.627426][ T74] ret_from_fork_asm+0x1a/0x30 [ 2216.627426][ T74] [ 2216.630427][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2216.630427][ T74] netdev_get_by_index+0x5e/0x80 [ 2216.630427][ T74] fib6_nh_init+0x3d8/0x1580 [ 2216.630427][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2216.630427][ T74] ip6_route_add+0x1c/0x140 [ 2216.630427][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2216.630427][ T74] inet6_addr_add+0x4f8/0xa40 [ 2216.630427][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2216.630427][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2216.630427][ T74] netlink_rcv_skb+0x130/0x360 [ 2216.630427][ T74] netlink_unicast+0x449/0x710 [ 2216.630427][ T74] netlink_sendmsg+0x723/0xbe0 [ 2216.630427][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2216.630427][ T74] ___sys_sendmsg+0xee/0x170 [ 2216.630427][ T74] __sys_sendmsg+0xcd/0x170 [ 2216.630427][ T74] do_syscall_64+0xc6/0x1e0 [ 2216.630427][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2216.630427][ T74] [ 2216.633536][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2216.633536][ T74] netdev_get_by_index+0x5e/0x80 [ 2216.633536][ T74] fib6_nh_init+0x3d8/0x1580 [ 2216.633536][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2216.633536][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2216.633536][ T74] ipv6_add_addr+0x411/0x2000 [ 2216.633536][ T74] inet6_addr_add+0x30e/0xa40 [ 2216.633536][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2216.633536][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2216.633536][ T74] netlink_rcv_skb+0x130/0x360 [ 2216.633536][ T74] netlink_unicast+0x449/0x710 [ 2216.633536][ T74] netlink_sendmsg+0x723/0xbe0 [ 2216.633536][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2216.633536][ T74] ___sys_sendmsg+0xee/0x170 [ 2216.633536][ T74] __sys_sendmsg+0xcd/0x170 [ 2216.633536][ T74] do_syscall_64+0xc6/0x1e0 [ 2216.633536][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2216.633536][ T74] [ 2216.636667][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2216.636667][ T74] netdev_get_by_index+0x5e/0x80 [ 2216.636667][ T74] fib6_nh_init+0x3d8/0x1580 [ 2216.636667][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2216.636667][ T74] ip6_route_add+0x1c/0x140 [ 2216.636667][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2216.636667][ T74] addrconf_add_dev+0xe2/0x170 [ 2216.636667][ T74] inet6_addr_add+0x12f/0xa40 [ 2216.636667][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2216.636667][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2216.636667][ T74] netlink_rcv_skb+0x130/0x360 [ 2216.636667][ T74] netlink_unicast+0x449/0x710 [ 2216.636667][ T74] netlink_sendmsg+0x723/0xbe0 [ 2216.636667][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2216.636667][ T74] ___sys_sendmsg+0xee/0x170 [ 2216.636667][ T74] __sys_sendmsg+0xcd/0x170 [ 2216.636667][ T74] do_syscall_64+0xc6/0x1e0 [ 2216.636667][ T74] [ 2216.639740][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2216.639740][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2216.639740][ T74] ipv6_find_idev+0x102/0x170 [ 2216.639740][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2216.639740][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2216.639740][ T74] netlink_rcv_skb+0x130/0x360 [ 2216.639740][ T74] netlink_unicast+0x449/0x710 [ 2216.639740][ T74] netlink_sendmsg+0x723/0xbe0 [ 2216.639740][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2216.639740][ T74] ___sys_sendmsg+0xee/0x170 [ 2216.639740][ T74] __sys_sendmsg+0xcd/0x170 [ 2216.639740][ T74] do_syscall_64+0xc6/0x1e0 [ 2216.639740][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2216.639740][ T74] [ 2216.642121][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2216.642121][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2216.642121][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2216.642121][ T74] ipv6_find_idev+0x102/0x170 [ 2216.642121][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2216.642121][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2216.642121][ T74] netlink_rcv_skb+0x130/0x360 [ 2216.642121][ T74] netlink_unicast+0x449/0x710 [ 2216.642121][ T74] netlink_sendmsg+0x723/0xbe0 [ 2216.642121][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2216.642121][ T74] ___sys_sendmsg+0xee/0x170 [ 2216.642121][ T74] __sys_sendmsg+0xcd/0x170 [ 2216.642121][ T74] do_syscall_64+0xc6/0x1e0 [ 2216.642121][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2216.642121][ T74] [ 2216.644783][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2216.645216][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2216.645216][ T74] dst_init+0x84/0x4a0 [ 2216.645216][ T74] dst_alloc+0x97/0x150 [ 2216.645216][ T74] ip6_dst_alloc+0x23/0x90 [ 2216.645216][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2216.645216][ T74] ip6_pol_route+0x56f/0x840 [ 2216.645216][ T74] fib6_rule_lookup+0x456/0x630 [ 2216.645216][ T74] ip6_route_input+0x59c/0xa50 [ 2216.645216][ T74] ipv6_rcv+0x397/0x810 [ 2216.645216][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2216.645216][ T74] process_backlog+0x101/0x620 [ 2216.645216][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2216.645216][ T74] net_rx_action+0x495/0xbe0 [ 2216.645216][ T74] __do_softirq+0x1b5/0x7f6 [ 2216.645216][ T74] [ 2216.647603][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2216.647603][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2216.647603][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2216.647603][ T74] fib6_nh_init+0xa22/0x1580 [ 2216.647603][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2216.647603][ T74] ip6_route_add+0x1c/0x140 [ 2216.647603][ T74] inet6_rtm_newroute+0x104/0x110 [ 2216.647603][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2216.647603][ T74] netlink_rcv_skb+0x130/0x360 [ 2216.647603][ T74] netlink_unicast+0x449/0x710 [ 2216.647603][ T74] netlink_sendmsg+0x723/0xbe0 [ 2216.647603][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2216.647603][ T74] ___sys_sendmsg+0xee/0x170 [ 2216.647603][ T74] __sys_sendmsg+0xcd/0x170 [ 2216.647603][ T74] do_syscall_64+0xc6/0x1e0 [ 2216.647603][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2216.647603][ T74] [ 2216.650427][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2216.650427][ T74] netdev_get_by_index+0x5e/0x80 [ 2216.650427][ T74] fib6_nh_init+0x3d8/0x1580 [ 2216.650427][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2216.650427][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2216.650427][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2216.650427][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2216.650427][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2216.650427][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2216.650427][ T74] addrconf_dad_begin+0x310/0x670 [ 2216.650427][ T74] addrconf_dad_work+0x10b/0xab0 [ 2216.650427][ T74] process_one_work+0x84d/0x18a0 [ 2216.650427][ T74] worker_thread+0x587/0xd30 [ 2216.650427][ T74] kthread+0x28a/0x350 [ 2216.650427][ T74] ret_from_fork+0x31/0x70 [ 2216.650427][ T74] ret_from_fork_asm+0x1a/0x30 [ 2216.650427][ T74] [ 2216.653422][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2216.653422][ T74] netdev_get_by_index+0x5e/0x80 [ 2216.653422][ T74] fib6_nh_init+0x3d8/0x1580 [ 2216.653422][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2216.653422][ T74] ip6_route_add+0x1c/0x140 [ 2216.653422][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2216.653422][ T74] inet6_addr_add+0x4f8/0xa40 [ 2216.653422][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2216.653422][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2216.653422][ T74] netlink_rcv_skb+0x130/0x360 [ 2216.653422][ T74] netlink_unicast+0x449/0x710 [ 2216.653422][ T74] netlink_sendmsg+0x723/0xbe0 [ 2216.653422][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2216.653422][ T74] ___sys_sendmsg+0xee/0x170 [ 2216.653422][ T74] __sys_sendmsg+0xcd/0x170 [ 2216.653422][ T74] do_syscall_64+0xc6/0x1e0 [ 2216.653422][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2216.653422][ T74] [ 2216.656466][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2216.656466][ T74] netdev_get_by_index+0x5e/0x80 [ 2216.656466][ T74] fib6_nh_init+0x3d8/0x1580 [ 2216.656466][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2216.656466][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2216.656466][ T74] ipv6_add_addr+0x411/0x2000 [ 2216.656466][ T74] inet6_addr_add+0x30e/0xa40 [ 2216.656466][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2216.656466][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2216.656466][ T74] netlink_rcv_skb+0x130/0x360 [ 2216.656466][ T74] netlink_unicast+0x449/0x710 [ 2216.656466][ T74] netlink_sendmsg+0x723/0xbe0 [ 2216.656466][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2216.656466][ T74] ___sys_sendmsg+0xee/0x170 [ 2216.656466][ T74] __sys_sendmsg+0xcd/0x170 [ 2216.656466][ T74] do_syscall_64+0xc6/0x1e0 [ 2216.656466][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2216.656466][ T74] [ 2216.658500][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2216.658500][ T74] netdev_get_by_index+0x5e/0x80 [ 2216.658500][ T74] fib6_nh_init+0x3d8/0x1580 [ 2216.658500][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2216.658500][ T74] ip6_route_add+0x1c/0x140 [ 2216.658500][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2216.658500][ T74] addrconf_add_dev+0xe2/0x170 [ 2216.658500][ T74] inet6_addr_add+0x12f/0xa40 [ 2216.658500][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2216.658500][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2216.658500][ T74] netlink_rcv_skb+0x130/0x360 [ 2216.658500][ T74] netlink_unicast+0x449/0x710 [ 2216.658500][ T74] netlink_sendmsg+0x723/0xbe0 [ 2216.658500][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2216.658500][ T74] ___sys_sendmsg+0xee/0x170 [ 2216.658500][ T74] __sys_sendmsg+0xcd/0x170 [ 2216.658500][ T74] do_syscall_64+0xc6/0x1e0 [ 2216.658500][ T74] [ 2216.660488][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2216.660488][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2216.660488][ T74] ipv6_find_idev+0x102/0x170 [ 2216.660488][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2216.660488][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2216.660488][ T74] netlink_rcv_skb+0x130/0x360 [ 2216.660488][ T74] netlink_unicast+0x449/0x710 [ 2216.660488][ T74] netlink_sendmsg+0x723/0xbe0 [ 2216.660488][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2216.660488][ T74] ___sys_sendmsg+0xee/0x170 [ 2216.660488][ T74] __sys_sendmsg+0xcd/0x170 [ 2216.660488][ T74] do_syscall_64+0xc6/0x1e0 [ 2216.660488][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2216.660488][ T74] [ 2216.662177][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2216.662177][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2216.662177][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2216.662177][ T74] ipv6_find_idev+0x102/0x170 [ 2216.662177][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2216.662177][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2216.662177][ T74] netlink_rcv_skb+0x130/0x360 [ 2216.662177][ T74] netlink_unicast+0x449/0x710 [ 2216.662177][ T74] netlink_sendmsg+0x723/0xbe0 [ 2216.662177][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2216.662177][ T74] ___sys_sendmsg+0xee/0x170 [ 2216.662177][ T74] __sys_sendmsg+0xcd/0x170 [ 2216.662177][ T74] do_syscall_64+0xc6/0x1e0 [ 2216.662177][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2216.662177][ T74] [ 2216.664060][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2216.664376][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2216.664376][ T74] netdev_get_by_index+0x5e/0x80 [ 2216.664376][ T74] fib6_nh_init+0x3d8/0x1580 [ 2216.664376][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2216.664376][ T74] ip6_route_add+0x1c/0x140 [ 2216.664376][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2216.664376][ T74] inet6_addr_add+0x4f8/0xa40 [ 2216.664376][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2216.664376][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2216.664376][ T74] netlink_rcv_skb+0x130/0x360 [ 2216.664376][ T74] netlink_unicast+0x449/0x710 [ 2216.664376][ T74] netlink_sendmsg+0x723/0xbe0 [ 2216.664376][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2216.664376][ T74] ___sys_sendmsg+0xee/0x170 [ 2216.664376][ T74] __sys_sendmsg+0xcd/0x170 [ 2216.664376][ T74] do_syscall_64+0xc6/0x1e0 [ 2216.664376][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2216.664376][ T74] [ 2216.666471][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2216.666471][ T74] netdev_get_by_index+0x5e/0x80 [ 2216.666471][ T74] fib6_nh_init+0x3d8/0x1580 [ 2216.666471][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2216.666471][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2216.666471][ T74] ipv6_add_addr+0x411/0x2000 [ 2216.666471][ T74] inet6_addr_add+0x30e/0xa40 [ 2216.666471][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2216.666471][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2216.666471][ T74] netlink_rcv_skb+0x130/0x360 [ 2216.666471][ T74] netlink_unicast+0x449/0x710 [ 2216.666471][ T74] netlink_sendmsg+0x723/0xbe0 [ 2216.666471][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2216.666471][ T74] ___sys_sendmsg+0xee/0x170 [ 2216.666471][ T74] __sys_sendmsg+0xcd/0x170 [ 2216.666471][ T74] do_syscall_64+0xc6/0x1e0 [ 2216.666471][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2216.666471][ T74] [ 2216.668614][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2216.668614][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2216.668614][ T74] ipv6_find_idev+0x102/0x170 [ 2216.668614][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2216.668614][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2216.668614][ T74] netlink_rcv_skb+0x130/0x360 [ 2216.668614][ T74] netlink_unicast+0x449/0x710 [ 2216.668614][ T74] netlink_sendmsg+0x723/0xbe0 [ 2216.668614][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2216.668614][ T74] ___sys_sendmsg+0xee/0x170 [ 2216.668614][ T74] __sys_sendmsg+0xcd/0x170 [ 2216.668614][ T74] do_syscall_64+0xc6/0x1e0 [ 2216.668614][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2216.668614][ T74] [ 2216.670278][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2216.670278][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2216.670278][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2216.670278][ T74] ipv6_find_idev+0x102/0x170 [ 2216.670278][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2216.670278][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2216.670278][ T74] netlink_rcv_skb+0x130/0x360 [ 2216.670278][ T74] netlink_unicast+0x449/0x710 [ 2216.670278][ T74] netlink_sendmsg+0x723/0xbe0 [ 2216.670278][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2216.670278][ T74] ___sys_sendmsg+0xee/0x170 [ 2216.670278][ T74] __sys_sendmsg+0xcd/0x170 [ 2216.670278][ T74] do_syscall_64+0xc6/0x1e0 [ 2216.670278][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2216.670278][ T74] [ 2226.807950][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2226.808350][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2226.808350][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2226.808350][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2226.808350][ T74] fib6_nh_init+0xa22/0x1580 [ 2226.808350][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2226.808350][ T74] ip6_route_add+0x1c/0x140 [ 2226.808350][ T74] inet6_rtm_newroute+0x104/0x110 [ 2226.808350][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2226.808350][ T74] netlink_rcv_skb+0x130/0x360 [ 2226.808350][ T74] netlink_unicast+0x449/0x710 [ 2226.808350][ T74] netlink_sendmsg+0x723/0xbe0 [ 2226.808350][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2226.808350][ T74] ___sys_sendmsg+0xee/0x170 [ 2226.808350][ T74] __sys_sendmsg+0xcd/0x170 [ 2226.808350][ T74] do_syscall_64+0xc6/0x1e0 [ 2226.808350][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2226.808350][ T74] [ 2226.810271][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2226.810271][ T74] netdev_get_by_index+0x5e/0x80 [ 2226.810271][ T74] fib6_nh_init+0x3d8/0x1580 [ 2226.810271][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2226.810271][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2226.810271][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2226.810271][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2226.810271][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2226.810271][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2226.810271][ T74] addrconf_dad_begin+0x310/0x670 [ 2226.810271][ T74] addrconf_dad_work+0x10b/0xab0 [ 2226.810271][ T74] process_one_work+0x84d/0x18a0 [ 2226.810271][ T74] worker_thread+0x587/0xd30 [ 2226.810271][ T74] kthread+0x28a/0x350 [ 2226.810271][ T74] ret_from_fork+0x31/0x70 [ 2226.810271][ T74] ret_from_fork_asm+0x1a/0x30 [ 2226.810271][ T74] [ 2226.812213][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2226.812213][ T74] netdev_get_by_index+0x5e/0x80 [ 2226.812213][ T74] fib6_nh_init+0x3d8/0x1580 [ 2226.812213][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2226.812213][ T74] ip6_route_add+0x1c/0x140 [ 2226.812213][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2226.812213][ T74] inet6_addr_add+0x4f8/0xa40 [ 2226.812213][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2226.812213][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2226.812213][ T74] netlink_rcv_skb+0x130/0x360 [ 2226.812213][ T74] netlink_unicast+0x449/0x710 [ 2226.812213][ T74] netlink_sendmsg+0x723/0xbe0 [ 2226.812213][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2226.812213][ T74] ___sys_sendmsg+0xee/0x170 [ 2226.812213][ T74] __sys_sendmsg+0xcd/0x170 [ 2226.812213][ T74] do_syscall_64+0xc6/0x1e0 [ 2226.812213][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2226.812213][ T74] [ 2226.814220][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2226.814220][ T74] netdev_get_by_index+0x5e/0x80 [ 2226.814220][ T74] fib6_nh_init+0x3d8/0x1580 [ 2226.814220][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2226.814220][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2226.814220][ T74] ipv6_add_addr+0x411/0x2000 [ 2226.814220][ T74] inet6_addr_add+0x30e/0xa40 [ 2226.814220][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2226.814220][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2226.814220][ T74] netlink_rcv_skb+0x130/0x360 [ 2226.814220][ T74] netlink_unicast+0x449/0x710 [ 2226.814220][ T74] netlink_sendmsg+0x723/0xbe0 [ 2226.814220][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2226.814220][ T74] ___sys_sendmsg+0xee/0x170 [ 2226.814220][ T74] __sys_sendmsg+0xcd/0x170 [ 2226.814220][ T74] do_syscall_64+0xc6/0x1e0 [ 2226.814220][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2226.814220][ T74] [ 2226.816310][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2226.816310][ T74] netdev_get_by_index+0x5e/0x80 [ 2226.816310][ T74] fib6_nh_init+0x3d8/0x1580 [ 2226.816310][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2226.816310][ T74] ip6_route_add+0x1c/0x140 [ 2226.816310][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2226.816310][ T74] addrconf_add_dev+0xe2/0x170 [ 2226.816310][ T74] inet6_addr_add+0x12f/0xa40 [ 2226.816310][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2226.816310][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2226.816310][ T74] netlink_rcv_skb+0x130/0x360 [ 2226.816310][ T74] netlink_unicast+0x449/0x710 [ 2226.816310][ T74] netlink_sendmsg+0x723/0xbe0 [ 2226.816310][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2226.816310][ T74] ___sys_sendmsg+0xee/0x170 [ 2226.816310][ T74] __sys_sendmsg+0xcd/0x170 [ 2226.816310][ T74] do_syscall_64+0xc6/0x1e0 [ 2226.816310][ T74] [ 2226.818284][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2226.818284][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2226.818284][ T74] ipv6_find_idev+0x102/0x170 [ 2226.818284][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2226.818284][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2226.818284][ T74] netlink_rcv_skb+0x130/0x360 [ 2226.818284][ T74] netlink_unicast+0x449/0x710 [ 2226.818284][ T74] netlink_sendmsg+0x723/0xbe0 [ 2226.818284][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2226.818284][ T74] ___sys_sendmsg+0xee/0x170 [ 2226.818284][ T74] __sys_sendmsg+0xcd/0x170 [ 2226.818284][ T74] do_syscall_64+0xc6/0x1e0 [ 2226.818284][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2226.818284][ T74] [ 2226.819831][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2226.819831][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2226.819831][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2226.819831][ T74] ipv6_find_idev+0x102/0x170 [ 2226.819831][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2226.819831][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2226.819831][ T74] netlink_rcv_skb+0x130/0x360 [ 2226.819831][ T74] netlink_unicast+0x449/0x710 [ 2226.819831][ T74] netlink_sendmsg+0x723/0xbe0 [ 2226.819831][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2226.819831][ T74] ___sys_sendmsg+0xee/0x170 [ 2226.819831][ T74] __sys_sendmsg+0xcd/0x170 [ 2226.819831][ T74] do_syscall_64+0xc6/0x1e0 [ 2226.819831][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2226.819831][ T74] [ 2226.821558][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2226.821844][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2226.821844][ T74] dst_init+0x84/0x4a0 [ 2226.821844][ T74] dst_alloc+0x97/0x150 [ 2226.821844][ T74] ip6_dst_alloc+0x23/0x90 [ 2226.821844][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2226.821844][ T74] ip6_pol_route+0x56f/0x840 [ 2226.821844][ T74] fib6_rule_lookup+0x456/0x630 [ 2226.821844][ T74] ip6_route_input+0x59c/0xa50 [ 2226.821844][ T74] ipv6_rcv+0x397/0x810 [ 2226.821844][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2226.821844][ T74] process_backlog+0x101/0x620 [ 2226.821844][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2226.821844][ T74] net_rx_action+0x495/0xbe0 [ 2226.821844][ T74] __do_softirq+0x1b5/0x7f6 [ 2226.821844][ T74] [ 2226.823510][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2226.823510][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2226.823510][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2226.823510][ T74] fib6_nh_init+0xa22/0x1580 [ 2226.823510][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2226.823510][ T74] ip6_route_add+0x1c/0x140 [ 2226.823510][ T74] inet6_rtm_newroute+0x104/0x110 [ 2226.823510][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2226.823510][ T74] netlink_rcv_skb+0x130/0x360 [ 2226.823510][ T74] netlink_unicast+0x449/0x710 [ 2226.823510][ T74] netlink_sendmsg+0x723/0xbe0 [ 2226.823510][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2226.823510][ T74] ___sys_sendmsg+0xee/0x170 [ 2226.823510][ T74] __sys_sendmsg+0xcd/0x170 [ 2226.823510][ T74] do_syscall_64+0xc6/0x1e0 [ 2226.823510][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2226.823510][ T74] [ 2226.825414][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2226.825414][ T74] netdev_get_by_index+0x5e/0x80 [ 2226.825414][ T74] fib6_nh_init+0x3d8/0x1580 [ 2226.825414][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2226.825414][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2226.825414][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2226.825414][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2226.825414][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2226.825414][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2226.825414][ T74] addrconf_dad_begin+0x310/0x670 [ 2226.825414][ T74] addrconf_dad_work+0x10b/0xab0 [ 2226.825414][ T74] process_one_work+0x84d/0x18a0 [ 2226.825414][ T74] worker_thread+0x587/0xd30 [ 2226.825414][ T74] kthread+0x28a/0x350 [ 2226.825414][ T74] ret_from_fork+0x31/0x70 [ 2226.825414][ T74] ret_from_fork_asm+0x1a/0x30 [ 2226.825414][ T74] [ 2226.827365][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2226.827365][ T74] netdev_get_by_index+0x5e/0x80 [ 2226.827365][ T74] fib6_nh_init+0x3d8/0x1580 [ 2226.827365][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2226.827365][ T74] ip6_route_add+0x1c/0x140 [ 2226.827365][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2226.827365][ T74] inet6_addr_add+0x4f8/0xa40 [ 2226.827365][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2226.827365][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2226.827365][ T74] netlink_rcv_skb+0x130/0x360 [ 2226.827365][ T74] netlink_unicast+0x449/0x710 [ 2226.827365][ T74] netlink_sendmsg+0x723/0xbe0 [ 2226.827365][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2226.827365][ T74] ___sys_sendmsg+0xee/0x170 [ 2226.827365][ T74] __sys_sendmsg+0xcd/0x170 [ 2226.827365][ T74] do_syscall_64+0xc6/0x1e0 [ 2226.827365][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2226.827365][ T74] [ 2226.829398][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2226.829398][ T74] netdev_get_by_index+0x5e/0x80 [ 2226.829398][ T74] fib6_nh_init+0x3d8/0x1580 [ 2226.829398][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2226.829398][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2226.829398][ T74] ipv6_add_addr+0x411/0x2000 [ 2226.829398][ T74] inet6_addr_add+0x30e/0xa40 [ 2226.829398][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2226.829398][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2226.829398][ T74] netlink_rcv_skb+0x130/0x360 [ 2226.829398][ T74] netlink_unicast+0x449/0x710 [ 2226.829398][ T74] netlink_sendmsg+0x723/0xbe0 [ 2226.829398][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2226.829398][ T74] ___sys_sendmsg+0xee/0x170 [ 2226.829398][ T74] __sys_sendmsg+0xcd/0x170 [ 2226.829398][ T74] do_syscall_64+0xc6/0x1e0 [ 2226.829398][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2226.829398][ T74] [ 2226.831430][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2226.831430][ T74] netdev_get_by_index+0x5e/0x80 [ 2226.831430][ T74] fib6_nh_init+0x3d8/0x1580 [ 2226.831430][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2226.831430][ T74] ip6_route_add+0x1c/0x140 [ 2226.831430][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2226.831430][ T74] addrconf_add_dev+0xe2/0x170 [ 2226.831430][ T74] inet6_addr_add+0x12f/0xa40 [ 2226.831430][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2226.831430][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2226.831430][ T74] netlink_rcv_skb+0x130/0x360 [ 2226.831430][ T74] netlink_unicast+0x449/0x710 [ 2226.831430][ T74] netlink_sendmsg+0x723/0xbe0 [ 2226.831430][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2226.831430][ T74] ___sys_sendmsg+0xee/0x170 [ 2226.831430][ T74] __sys_sendmsg+0xcd/0x170 [ 2226.831430][ T74] do_syscall_64+0xc6/0x1e0 [ 2226.831430][ T74] [ 2226.833395][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2226.833395][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2226.833395][ T74] ipv6_find_idev+0x102/0x170 [ 2226.833395][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2226.833395][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2226.833395][ T74] netlink_rcv_skb+0x130/0x360 [ 2226.833395][ T74] netlink_unicast+0x449/0x710 [ 2226.833395][ T74] netlink_sendmsg+0x723/0xbe0 [ 2226.833395][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2226.833395][ T74] ___sys_sendmsg+0xee/0x170 [ 2226.833395][ T74] __sys_sendmsg+0xcd/0x170 [ 2226.833395][ T74] do_syscall_64+0xc6/0x1e0 [ 2226.833395][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2226.833395][ T74] [ 2226.835058][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2226.835058][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2226.835058][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2226.835058][ T74] ipv6_find_idev+0x102/0x170 [ 2226.835058][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2226.835058][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2226.835058][ T74] netlink_rcv_skb+0x130/0x360 [ 2226.835058][ T74] netlink_unicast+0x449/0x710 [ 2226.835058][ T74] netlink_sendmsg+0x723/0xbe0 [ 2226.835058][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2226.835058][ T74] ___sys_sendmsg+0xee/0x170 [ 2226.835058][ T74] __sys_sendmsg+0xcd/0x170 [ 2226.835058][ T74] do_syscall_64+0xc6/0x1e0 [ 2226.835058][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2226.835058][ T74] [ 2226.836933][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2226.837227][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2226.837227][ T74] netdev_get_by_index+0x5e/0x80 [ 2226.837227][ T74] fib6_nh_init+0x3d8/0x1580 [ 2226.837227][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2226.837227][ T74] ip6_route_add+0x1c/0x140 [ 2226.837227][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2226.837227][ T74] inet6_addr_add+0x4f8/0xa40 [ 2226.837227][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2226.837227][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2226.837227][ T74] netlink_rcv_skb+0x130/0x360 [ 2226.837227][ T74] netlink_unicast+0x449/0x710 [ 2226.837227][ T74] netlink_sendmsg+0x723/0xbe0 [ 2226.837227][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2226.837227][ T74] ___sys_sendmsg+0xee/0x170 [ 2226.837227][ T74] __sys_sendmsg+0xcd/0x170 [ 2226.837227][ T74] do_syscall_64+0xc6/0x1e0 [ 2226.837227][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2226.837227][ T74] [ 2226.839518][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2226.839518][ T74] netdev_get_by_index+0x5e/0x80 [ 2226.839518][ T74] fib6_nh_init+0x3d8/0x1580 [ 2226.839518][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2226.839518][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2226.839518][ T74] ipv6_add_addr+0x411/0x2000 [ 2226.839518][ T74] inet6_addr_add+0x30e/0xa40 [ 2226.839518][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2226.839518][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2226.839518][ T74] netlink_rcv_skb+0x130/0x360 [ 2226.839518][ T74] netlink_unicast+0x449/0x710 [ 2226.839518][ T74] netlink_sendmsg+0x723/0xbe0 [ 2226.839518][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2226.839518][ T74] ___sys_sendmsg+0xee/0x170 [ 2226.839518][ T74] __sys_sendmsg+0xcd/0x170 [ 2226.839518][ T74] do_syscall_64+0xc6/0x1e0 [ 2226.839518][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2226.839518][ T74] [ 2226.841777][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2226.841777][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2226.841777][ T74] ipv6_find_idev+0x102/0x170 [ 2226.841777][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2226.841777][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2226.841777][ T74] netlink_rcv_skb+0x130/0x360 [ 2226.841777][ T74] netlink_unicast+0x449/0x710 [ 2226.841777][ T74] netlink_sendmsg+0x723/0xbe0 [ 2226.841777][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2226.841777][ T74] ___sys_sendmsg+0xee/0x170 [ 2226.841777][ T74] __sys_sendmsg+0xcd/0x170 [ 2226.841777][ T74] do_syscall_64+0xc6/0x1e0 [ 2226.841777][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2226.841777][ T74] [ 2226.843513][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2226.843513][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2226.843513][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2226.843513][ T74] ipv6_find_idev+0x102/0x170 [ 2226.843513][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2226.843513][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2226.843513][ T74] netlink_rcv_skb+0x130/0x360 [ 2226.843513][ T74] netlink_unicast+0x449/0x710 [ 2226.843513][ T74] netlink_sendmsg+0x723/0xbe0 [ 2226.843513][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2226.843513][ T74] ___sys_sendmsg+0xee/0x170 [ 2226.843513][ T74] __sys_sendmsg+0xcd/0x170 [ 2226.843513][ T74] do_syscall_64+0xc6/0x1e0 [ 2226.843513][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2226.843513][ T74] [ 2237.087906][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2237.088313][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2237.088313][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2237.088313][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2237.088313][ T74] fib6_nh_init+0xa22/0x1580 [ 2237.088313][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2237.088313][ T74] ip6_route_add+0x1c/0x140 [ 2237.088313][ T74] inet6_rtm_newroute+0x104/0x110 [ 2237.088313][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.088313][ T74] netlink_rcv_skb+0x130/0x360 [ 2237.088313][ T74] netlink_unicast+0x449/0x710 [ 2237.088313][ T74] netlink_sendmsg+0x723/0xbe0 [ 2237.088313][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2237.088313][ T74] ___sys_sendmsg+0xee/0x170 [ 2237.088313][ T74] __sys_sendmsg+0xcd/0x170 [ 2237.088313][ T74] do_syscall_64+0xc6/0x1e0 [ 2237.088313][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2237.088313][ T74] [ 2237.090230][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2237.090230][ T74] netdev_get_by_index+0x5e/0x80 [ 2237.090230][ T74] fib6_nh_init+0x3d8/0x1580 [ 2237.090230][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2237.090230][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2237.090230][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2237.090230][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2237.090230][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2237.090230][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2237.090230][ T74] addrconf_dad_begin+0x310/0x670 [ 2237.090230][ T74] addrconf_dad_work+0x10b/0xab0 [ 2237.090230][ T74] process_one_work+0x84d/0x18a0 [ 2237.090230][ T74] worker_thread+0x587/0xd30 [ 2237.090230][ T74] kthread+0x28a/0x350 [ 2237.090230][ T74] ret_from_fork+0x31/0x70 [ 2237.090230][ T74] ret_from_fork_asm+0x1a/0x30 [ 2237.090230][ T74] [ 2237.092157][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2237.092157][ T74] netdev_get_by_index+0x5e/0x80 [ 2237.092157][ T74] fib6_nh_init+0x3d8/0x1580 [ 2237.092157][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2237.092157][ T74] ip6_route_add+0x1c/0x140 [ 2237.092157][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2237.092157][ T74] inet6_addr_add+0x4f8/0xa40 [ 2237.092157][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2237.092157][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.092157][ T74] netlink_rcv_skb+0x130/0x360 [ 2237.092157][ T74] netlink_unicast+0x449/0x710 [ 2237.092157][ T74] netlink_sendmsg+0x723/0xbe0 [ 2237.092157][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2237.092157][ T74] ___sys_sendmsg+0xee/0x170 [ 2237.092157][ T74] __sys_sendmsg+0xcd/0x170 [ 2237.092157][ T74] do_syscall_64+0xc6/0x1e0 [ 2237.092157][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2237.092157][ T74] [ 2237.094173][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2237.094173][ T74] netdev_get_by_index+0x5e/0x80 [ 2237.094173][ T74] fib6_nh_init+0x3d8/0x1580 [ 2237.094173][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2237.094173][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2237.094173][ T74] ipv6_add_addr+0x411/0x2000 [ 2237.094173][ T74] inet6_addr_add+0x30e/0xa40 [ 2237.094173][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2237.094173][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.094173][ T74] netlink_rcv_skb+0x130/0x360 [ 2237.094173][ T74] netlink_unicast+0x449/0x710 [ 2237.094173][ T74] netlink_sendmsg+0x723/0xbe0 [ 2237.094173][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2237.094173][ T74] ___sys_sendmsg+0xee/0x170 [ 2237.094173][ T74] __sys_sendmsg+0xcd/0x170 [ 2237.094173][ T74] do_syscall_64+0xc6/0x1e0 [ 2237.094173][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2237.094173][ T74] [ 2237.096570][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2237.096570][ T74] netdev_get_by_index+0x5e/0x80 [ 2237.096570][ T74] fib6_nh_init+0x3d8/0x1580 [ 2237.096570][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2237.096570][ T74] ip6_route_add+0x1c/0x140 [ 2237.096570][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2237.096570][ T74] addrconf_add_dev+0xe2/0x170 [ 2237.096570][ T74] inet6_addr_add+0x12f/0xa40 [ 2237.096570][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2237.096570][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.096570][ T74] netlink_rcv_skb+0x130/0x360 [ 2237.096570][ T74] netlink_unicast+0x449/0x710 [ 2237.096570][ T74] netlink_sendmsg+0x723/0xbe0 [ 2237.096570][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2237.096570][ T74] ___sys_sendmsg+0xee/0x170 [ 2237.096570][ T74] __sys_sendmsg+0xcd/0x170 [ 2237.096570][ T74] do_syscall_64+0xc6/0x1e0 [ 2237.096570][ T74] [ 2237.098557][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2237.098557][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2237.098557][ T74] ipv6_find_idev+0x102/0x170 [ 2237.098557][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2237.098557][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.098557][ T74] netlink_rcv_skb+0x130/0x360 [ 2237.098557][ T74] netlink_unicast+0x449/0x710 [ 2237.098557][ T74] netlink_sendmsg+0x723/0xbe0 [ 2237.098557][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2237.098557][ T74] ___sys_sendmsg+0xee/0x170 [ 2237.098557][ T74] __sys_sendmsg+0xcd/0x170 [ 2237.098557][ T74] do_syscall_64+0xc6/0x1e0 [ 2237.098557][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2237.098557][ T74] [ 2237.100105][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2237.100105][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2237.100105][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2237.100105][ T74] ipv6_find_idev+0x102/0x170 [ 2237.100105][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2237.100105][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.100105][ T74] netlink_rcv_skb+0x130/0x360 [ 2237.100105][ T74] netlink_unicast+0x449/0x710 [ 2237.100105][ T74] netlink_sendmsg+0x723/0xbe0 [ 2237.100105][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2237.100105][ T74] ___sys_sendmsg+0xee/0x170 [ 2237.100105][ T74] __sys_sendmsg+0xcd/0x170 [ 2237.100105][ T74] do_syscall_64+0xc6/0x1e0 [ 2237.100105][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2237.100105][ T74] [ 2237.101825][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2237.102126][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2237.102126][ T74] dst_init+0x84/0x4a0 [ 2237.102126][ T74] dst_alloc+0x97/0x150 [ 2237.102126][ T74] ip6_dst_alloc+0x23/0x90 [ 2237.102126][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2237.102126][ T74] ip6_pol_route+0x56f/0x840 [ 2237.102126][ T74] fib6_rule_lookup+0x456/0x630 [ 2237.102126][ T74] ip6_route_input+0x59c/0xa50 [ 2237.102126][ T74] ipv6_rcv+0x397/0x810 [ 2237.102126][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2237.102126][ T74] process_backlog+0x101/0x620 [ 2237.102126][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2237.102126][ T74] net_rx_action+0x495/0xbe0 [ 2237.102126][ T74] __do_softirq+0x1b5/0x7f6 [ 2237.102126][ T74] [ 2237.103773][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2237.103773][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2237.103773][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2237.103773][ T74] fib6_nh_init+0xa22/0x1580 [ 2237.103773][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2237.103773][ T74] ip6_route_add+0x1c/0x140 [ 2237.103773][ T74] inet6_rtm_newroute+0x104/0x110 [ 2237.103773][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.103773][ T74] netlink_rcv_skb+0x130/0x360 [ 2237.103773][ T74] netlink_unicast+0x449/0x710 [ 2237.103773][ T74] netlink_sendmsg+0x723/0xbe0 [ 2237.103773][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2237.103773][ T74] ___sys_sendmsg+0xee/0x170 [ 2237.103773][ T74] __sys_sendmsg+0xcd/0x170 [ 2237.103773][ T74] do_syscall_64+0xc6/0x1e0 [ 2237.103773][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2237.103773][ T74] [ 2237.105668][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2237.105668][ T74] netdev_get_by_index+0x5e/0x80 [ 2237.105668][ T74] fib6_nh_init+0x3d8/0x1580 [ 2237.105668][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2237.105668][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2237.105668][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2237.105668][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2237.105668][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2237.105668][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2237.105668][ T74] addrconf_dad_begin+0x310/0x670 [ 2237.105668][ T74] addrconf_dad_work+0x10b/0xab0 [ 2237.105668][ T74] process_one_work+0x84d/0x18a0 [ 2237.105668][ T74] worker_thread+0x587/0xd30 [ 2237.105668][ T74] kthread+0x28a/0x350 [ 2237.105668][ T74] ret_from_fork+0x31/0x70 [ 2237.105668][ T74] ret_from_fork_asm+0x1a/0x30 [ 2237.105668][ T74] [ 2237.107586][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2237.107586][ T74] netdev_get_by_index+0x5e/0x80 [ 2237.107586][ T74] fib6_nh_init+0x3d8/0x1580 [ 2237.107586][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2237.107586][ T74] ip6_route_add+0x1c/0x140 [ 2237.107586][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2237.107586][ T74] inet6_addr_add+0x4f8/0xa40 [ 2237.107586][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2237.107586][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.107586][ T74] netlink_rcv_skb+0x130/0x360 [ 2237.107586][ T74] netlink_unicast+0x449/0x710 [ 2237.107586][ T74] netlink_sendmsg+0x723/0xbe0 [ 2237.107586][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2237.107586][ T74] ___sys_sendmsg+0xee/0x170 [ 2237.107586][ T74] __sys_sendmsg+0xcd/0x170 [ 2237.107586][ T74] do_syscall_64+0xc6/0x1e0 [ 2237.107586][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2237.107586][ T74] [ 2237.109605][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2237.109605][ T74] netdev_get_by_index+0x5e/0x80 [ 2237.109605][ T74] fib6_nh_init+0x3d8/0x1580 [ 2237.109605][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2237.109605][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2237.109605][ T74] ipv6_add_addr+0x411/0x2000 [ 2237.109605][ T74] inet6_addr_add+0x30e/0xa40 [ 2237.109605][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2237.109605][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.109605][ T74] netlink_rcv_skb+0x130/0x360 [ 2237.109605][ T74] netlink_unicast+0x449/0x710 [ 2237.109605][ T74] netlink_sendmsg+0x723/0xbe0 [ 2237.109605][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2237.109605][ T74] ___sys_sendmsg+0xee/0x170 [ 2237.109605][ T74] __sys_sendmsg+0xcd/0x170 [ 2237.109605][ T74] do_syscall_64+0xc6/0x1e0 [ 2237.109605][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2237.109605][ T74] [ 2237.111608][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2237.111608][ T74] netdev_get_by_index+0x5e/0x80 [ 2237.111608][ T74] fib6_nh_init+0x3d8/0x1580 [ 2237.111608][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2237.111608][ T74] ip6_route_add+0x1c/0x140 [ 2237.111608][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2237.111608][ T74] addrconf_add_dev+0xe2/0x170 [ 2237.111608][ T74] inet6_addr_add+0x12f/0xa40 [ 2237.111608][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2237.111608][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.111608][ T74] netlink_rcv_skb+0x130/0x360 [ 2237.111608][ T74] netlink_unicast+0x449/0x710 [ 2237.111608][ T74] netlink_sendmsg+0x723/0xbe0 [ 2237.111608][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2237.111608][ T74] ___sys_sendmsg+0xee/0x170 [ 2237.111608][ T74] __sys_sendmsg+0xcd/0x170 [ 2237.111608][ T74] do_syscall_64+0xc6/0x1e0 [ 2237.111608][ T74] [ 2237.113583][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2237.113583][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2237.113583][ T74] ipv6_find_idev+0x102/0x170 [ 2237.113583][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2237.113583][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.113583][ T74] netlink_rcv_skb+0x130/0x360 [ 2237.113583][ T74] netlink_unicast+0x449/0x710 [ 2237.113583][ T74] netlink_sendmsg+0x723/0xbe0 [ 2237.113583][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2237.113583][ T74] ___sys_sendmsg+0xee/0x170 [ 2237.113583][ T74] __sys_sendmsg+0xcd/0x170 [ 2237.113583][ T74] do_syscall_64+0xc6/0x1e0 [ 2237.113583][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2237.113583][ T74] [ 2237.115263][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2237.115263][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2237.115263][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2237.115263][ T74] ipv6_find_idev+0x102/0x170 [ 2237.115263][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2237.115263][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.115263][ T74] netlink_rcv_skb+0x130/0x360 [ 2237.115263][ T74] netlink_unicast+0x449/0x710 [ 2237.115263][ T74] netlink_sendmsg+0x723/0xbe0 [ 2237.115263][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2237.115263][ T74] ___sys_sendmsg+0xee/0x170 [ 2237.115263][ T74] __sys_sendmsg+0xcd/0x170 [ 2237.115263][ T74] do_syscall_64+0xc6/0x1e0 [ 2237.115263][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2237.115263][ T74] [ 2237.117015][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2237.117316][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2237.117316][ T74] netdev_get_by_index+0x5e/0x80 [ 2237.117316][ T74] fib6_nh_init+0x3d8/0x1580 [ 2237.117316][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2237.117316][ T74] ip6_route_add+0x1c/0x140 [ 2237.117316][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2237.117316][ T74] inet6_addr_add+0x4f8/0xa40 [ 2237.117316][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2237.117316][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.117316][ T74] netlink_rcv_skb+0x130/0x360 [ 2237.117316][ T74] netlink_unicast+0x449/0x710 [ 2237.117316][ T74] netlink_sendmsg+0x723/0xbe0 [ 2237.117316][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2237.117316][ T74] ___sys_sendmsg+0xee/0x170 [ 2237.117316][ T74] __sys_sendmsg+0xcd/0x170 [ 2237.117316][ T74] do_syscall_64+0xc6/0x1e0 [ 2237.117316][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2237.117316][ T74] [ 2237.119434][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2237.119434][ T74] netdev_get_by_index+0x5e/0x80 [ 2237.119434][ T74] fib6_nh_init+0x3d8/0x1580 [ 2237.119434][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2237.119434][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2237.119434][ T74] ipv6_add_addr+0x411/0x2000 [ 2237.119434][ T74] inet6_addr_add+0x30e/0xa40 [ 2237.119434][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2237.119434][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.119434][ T74] netlink_rcv_skb+0x130/0x360 [ 2237.119434][ T74] netlink_unicast+0x449/0x710 [ 2237.119434][ T74] netlink_sendmsg+0x723/0xbe0 [ 2237.119434][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2237.119434][ T74] ___sys_sendmsg+0xee/0x170 [ 2237.119434][ T74] __sys_sendmsg+0xcd/0x170 [ 2237.119434][ T74] do_syscall_64+0xc6/0x1e0 [ 2237.119434][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2237.119434][ T74] [ 2237.121565][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2237.121565][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2237.121565][ T74] ipv6_find_idev+0x102/0x170 [ 2237.121565][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2237.121565][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.121565][ T74] netlink_rcv_skb+0x130/0x360 [ 2237.121565][ T74] netlink_unicast+0x449/0x710 [ 2237.121565][ T74] netlink_sendmsg+0x723/0xbe0 [ 2237.121565][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2237.121565][ T74] ___sys_sendmsg+0xee/0x170 [ 2237.121565][ T74] __sys_sendmsg+0xcd/0x170 [ 2237.121565][ T74] do_syscall_64+0xc6/0x1e0 [ 2237.121565][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2237.121565][ T74] [ 2237.123242][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2237.123242][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2237.123242][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2237.123242][ T74] ipv6_find_idev+0x102/0x170 [ 2237.123242][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2237.123242][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2237.123242][ T74] netlink_rcv_skb+0x130/0x360 [ 2237.123242][ T74] netlink_unicast+0x449/0x710 [ 2237.123242][ T74] netlink_sendmsg+0x723/0xbe0 [ 2237.123242][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2237.123242][ T74] ___sys_sendmsg+0xee/0x170 [ 2237.123242][ T74] __sys_sendmsg+0xcd/0x170 [ 2237.123242][ T74] do_syscall_64+0xc6/0x1e0 [ 2237.123242][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2237.123242][ T74] [ 2247.367931][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2247.368351][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2247.368351][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2247.368351][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2247.368351][ T74] fib6_nh_init+0xa22/0x1580 [ 2247.368351][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2247.368351][ T74] ip6_route_add+0x1c/0x140 [ 2247.368351][ T74] inet6_rtm_newroute+0x104/0x110 [ 2247.368351][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.368351][ T74] netlink_rcv_skb+0x130/0x360 [ 2247.368351][ T74] netlink_unicast+0x449/0x710 [ 2247.368351][ T74] netlink_sendmsg+0x723/0xbe0 [ 2247.368351][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2247.368351][ T74] ___sys_sendmsg+0xee/0x170 [ 2247.368351][ T74] __sys_sendmsg+0xcd/0x170 [ 2247.368351][ T74] do_syscall_64+0xc6/0x1e0 [ 2247.368351][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.368351][ T74] [ 2247.370298][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2247.370298][ T74] netdev_get_by_index+0x5e/0x80 [ 2247.370298][ T74] fib6_nh_init+0x3d8/0x1580 [ 2247.370298][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2247.370298][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2247.370298][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2247.370298][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2247.370298][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2247.370298][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2247.370298][ T74] addrconf_dad_begin+0x310/0x670 [ 2247.370298][ T74] addrconf_dad_work+0x10b/0xab0 [ 2247.370298][ T74] process_one_work+0x84d/0x18a0 [ 2247.370298][ T74] worker_thread+0x587/0xd30 [ 2247.370298][ T74] kthread+0x28a/0x350 [ 2247.370298][ T74] ret_from_fork+0x31/0x70 [ 2247.370298][ T74] ret_from_fork_asm+0x1a/0x30 [ 2247.370298][ T74] [ 2247.372268][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2247.372268][ T74] netdev_get_by_index+0x5e/0x80 [ 2247.372268][ T74] fib6_nh_init+0x3d8/0x1580 [ 2247.372268][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2247.372268][ T74] ip6_route_add+0x1c/0x140 [ 2247.372268][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2247.372268][ T74] inet6_addr_add+0x4f8/0xa40 [ 2247.372268][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2247.372268][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.372268][ T74] netlink_rcv_skb+0x130/0x360 [ 2247.372268][ T74] netlink_unicast+0x449/0x710 [ 2247.372268][ T74] netlink_sendmsg+0x723/0xbe0 [ 2247.372268][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2247.372268][ T74] ___sys_sendmsg+0xee/0x170 [ 2247.372268][ T74] __sys_sendmsg+0xcd/0x170 [ 2247.372268][ T74] do_syscall_64+0xc6/0x1e0 [ 2247.372268][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.372268][ T74] [ 2247.374301][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2247.374301][ T74] netdev_get_by_index+0x5e/0x80 [ 2247.374301][ T74] fib6_nh_init+0x3d8/0x1580 [ 2247.374301][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2247.374301][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2247.374301][ T74] ipv6_add_addr+0x411/0x2000 [ 2247.374301][ T74] inet6_addr_add+0x30e/0xa40 [ 2247.374301][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2247.374301][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.374301][ T74] netlink_rcv_skb+0x130/0x360 [ 2247.374301][ T74] netlink_unicast+0x449/0x710 [ 2247.374301][ T74] netlink_sendmsg+0x723/0xbe0 [ 2247.374301][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2247.374301][ T74] ___sys_sendmsg+0xee/0x170 [ 2247.374301][ T74] __sys_sendmsg+0xcd/0x170 [ 2247.374301][ T74] do_syscall_64+0xc6/0x1e0 [ 2247.374301][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.374301][ T74] [ 2247.376314][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2247.376314][ T74] netdev_get_by_index+0x5e/0x80 [ 2247.376314][ T74] fib6_nh_init+0x3d8/0x1580 [ 2247.376314][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2247.376314][ T74] ip6_route_add+0x1c/0x140 [ 2247.376314][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2247.376314][ T74] addrconf_add_dev+0xe2/0x170 [ 2247.376314][ T74] inet6_addr_add+0x12f/0xa40 [ 2247.376314][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2247.376314][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.376314][ T74] netlink_rcv_skb+0x130/0x360 [ 2247.376314][ T74] netlink_unicast+0x449/0x710 [ 2247.376314][ T74] netlink_sendmsg+0x723/0xbe0 [ 2247.376314][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2247.376314][ T74] ___sys_sendmsg+0xee/0x170 [ 2247.376314][ T74] __sys_sendmsg+0xcd/0x170 [ 2247.376314][ T74] do_syscall_64+0xc6/0x1e0 [ 2247.376314][ T74] [ 2247.378308][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2247.378308][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2247.378308][ T74] ipv6_find_idev+0x102/0x170 [ 2247.378308][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2247.378308][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.378308][ T74] netlink_rcv_skb+0x130/0x360 [ 2247.378308][ T74] netlink_unicast+0x449/0x710 [ 2247.378308][ T74] netlink_sendmsg+0x723/0xbe0 [ 2247.378308][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2247.378308][ T74] ___sys_sendmsg+0xee/0x170 [ 2247.378308][ T74] __sys_sendmsg+0xcd/0x170 [ 2247.378308][ T74] do_syscall_64+0xc6/0x1e0 [ 2247.378308][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.378308][ T74] [ 2247.379857][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2247.379857][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2247.379857][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2247.379857][ T74] ipv6_find_idev+0x102/0x170 [ 2247.379857][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2247.379857][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.379857][ T74] netlink_rcv_skb+0x130/0x360 [ 2247.379857][ T74] netlink_unicast+0x449/0x710 [ 2247.379857][ T74] netlink_sendmsg+0x723/0xbe0 [ 2247.379857][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2247.379857][ T74] ___sys_sendmsg+0xee/0x170 [ 2247.379857][ T74] __sys_sendmsg+0xcd/0x170 [ 2247.379857][ T74] do_syscall_64+0xc6/0x1e0 [ 2247.379857][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.379857][ T74] [ 2247.381543][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2247.381815][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2247.381815][ T74] dst_init+0x84/0x4a0 [ 2247.381815][ T74] dst_alloc+0x97/0x150 [ 2247.381815][ T74] ip6_dst_alloc+0x23/0x90 [ 2247.381815][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2247.381815][ T74] ip6_pol_route+0x56f/0x840 [ 2247.381815][ T74] fib6_rule_lookup+0x456/0x630 [ 2247.381815][ T74] ip6_route_input+0x59c/0xa50 [ 2247.381815][ T74] ipv6_rcv+0x397/0x810 [ 2247.381815][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2247.381815][ T74] process_backlog+0x101/0x620 [ 2247.381815][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2247.381815][ T74] net_rx_action+0x495/0xbe0 [ 2247.381815][ T74] __do_softirq+0x1b5/0x7f6 [ 2247.381815][ T74] [ 2247.383443][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2247.383443][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2247.383443][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2247.383443][ T74] fib6_nh_init+0xa22/0x1580 [ 2247.383443][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2247.383443][ T74] ip6_route_add+0x1c/0x140 [ 2247.383443][ T74] inet6_rtm_newroute+0x104/0x110 [ 2247.383443][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.383443][ T74] netlink_rcv_skb+0x130/0x360 [ 2247.383443][ T74] netlink_unicast+0x449/0x710 [ 2247.383443][ T74] netlink_sendmsg+0x723/0xbe0 [ 2247.383443][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2247.383443][ T74] ___sys_sendmsg+0xee/0x170 [ 2247.383443][ T74] __sys_sendmsg+0xcd/0x170 [ 2247.383443][ T74] do_syscall_64+0xc6/0x1e0 [ 2247.383443][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.383443][ T74] [ 2247.385323][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2247.385323][ T74] netdev_get_by_index+0x5e/0x80 [ 2247.385323][ T74] fib6_nh_init+0x3d8/0x1580 [ 2247.385323][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2247.385323][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2247.385323][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2247.385323][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2247.385323][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2247.385323][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2247.385323][ T74] addrconf_dad_begin+0x310/0x670 [ 2247.385323][ T74] addrconf_dad_work+0x10b/0xab0 [ 2247.385323][ T74] process_one_work+0x84d/0x18a0 [ 2247.385323][ T74] worker_thread+0x587/0xd30 [ 2247.385323][ T74] kthread+0x28a/0x350 [ 2247.385323][ T74] ret_from_fork+0x31/0x70 [ 2247.385323][ T74] ret_from_fork_asm+0x1a/0x30 [ 2247.385323][ T74] [ 2247.387259][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2247.387259][ T74] netdev_get_by_index+0x5e/0x80 [ 2247.387259][ T74] fib6_nh_init+0x3d8/0x1580 [ 2247.387259][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2247.387259][ T74] ip6_route_add+0x1c/0x140 [ 2247.387259][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2247.387259][ T74] inet6_addr_add+0x4f8/0xa40 [ 2247.387259][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2247.387259][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.387259][ T74] netlink_rcv_skb+0x130/0x360 [ 2247.387259][ T74] netlink_unicast+0x449/0x710 [ 2247.387259][ T74] netlink_sendmsg+0x723/0xbe0 [ 2247.387259][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2247.387259][ T74] ___sys_sendmsg+0xee/0x170 [ 2247.387259][ T74] __sys_sendmsg+0xcd/0x170 [ 2247.387259][ T74] do_syscall_64+0xc6/0x1e0 [ 2247.387259][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.387259][ T74] [ 2247.389293][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2247.389293][ T74] netdev_get_by_index+0x5e/0x80 [ 2247.389293][ T74] fib6_nh_init+0x3d8/0x1580 [ 2247.389293][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2247.389293][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2247.389293][ T74] ipv6_add_addr+0x411/0x2000 [ 2247.389293][ T74] inet6_addr_add+0x30e/0xa40 [ 2247.389293][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2247.389293][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.389293][ T74] netlink_rcv_skb+0x130/0x360 [ 2247.389293][ T74] netlink_unicast+0x449/0x710 [ 2247.389293][ T74] netlink_sendmsg+0x723/0xbe0 [ 2247.389293][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2247.389293][ T74] ___sys_sendmsg+0xee/0x170 [ 2247.389293][ T74] __sys_sendmsg+0xcd/0x170 [ 2247.389293][ T74] do_syscall_64+0xc6/0x1e0 [ 2247.389293][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.389293][ T74] [ 2247.391356][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2247.391356][ T74] netdev_get_by_index+0x5e/0x80 [ 2247.391356][ T74] fib6_nh_init+0x3d8/0x1580 [ 2247.391356][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2247.391356][ T74] ip6_route_add+0x1c/0x140 [ 2247.391356][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2247.391356][ T74] addrconf_add_dev+0xe2/0x170 [ 2247.391356][ T74] inet6_addr_add+0x12f/0xa40 [ 2247.391356][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2247.391356][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.391356][ T74] netlink_rcv_skb+0x130/0x360 [ 2247.391356][ T74] netlink_unicast+0x449/0x710 [ 2247.391356][ T74] netlink_sendmsg+0x723/0xbe0 [ 2247.391356][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2247.391356][ T74] ___sys_sendmsg+0xee/0x170 [ 2247.391356][ T74] __sys_sendmsg+0xcd/0x170 [ 2247.391356][ T74] do_syscall_64+0xc6/0x1e0 [ 2247.391356][ T74] [ 2247.393350][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2247.393350][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2247.393350][ T74] ipv6_find_idev+0x102/0x170 [ 2247.393350][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2247.393350][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.393350][ T74] netlink_rcv_skb+0x130/0x360 [ 2247.393350][ T74] netlink_unicast+0x449/0x710 [ 2247.393350][ T74] netlink_sendmsg+0x723/0xbe0 [ 2247.393350][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2247.393350][ T74] ___sys_sendmsg+0xee/0x170 [ 2247.393350][ T74] __sys_sendmsg+0xcd/0x170 [ 2247.393350][ T74] do_syscall_64+0xc6/0x1e0 [ 2247.393350][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.393350][ T74] [ 2247.394995][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2247.394995][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2247.394995][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2247.394995][ T74] ipv6_find_idev+0x102/0x170 [ 2247.394995][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2247.394995][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.394995][ T74] netlink_rcv_skb+0x130/0x360 [ 2247.394995][ T74] netlink_unicast+0x449/0x710 [ 2247.394995][ T74] netlink_sendmsg+0x723/0xbe0 [ 2247.394995][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2247.394995][ T74] ___sys_sendmsg+0xee/0x170 [ 2247.394995][ T74] __sys_sendmsg+0xcd/0x170 [ 2247.394995][ T74] do_syscall_64+0xc6/0x1e0 [ 2247.394995][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.394995][ T74] [ 2247.397007][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2247.397247][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2247.397247][ T74] netdev_get_by_index+0x5e/0x80 [ 2247.397247][ T74] fib6_nh_init+0x3d8/0x1580 [ 2247.397247][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2247.397247][ T74] ip6_route_add+0x1c/0x140 [ 2247.397247][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2247.397247][ T74] inet6_addr_add+0x4f8/0xa40 [ 2247.397247][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2247.397247][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.397247][ T74] netlink_rcv_skb+0x130/0x360 [ 2247.397247][ T74] netlink_unicast+0x449/0x710 [ 2247.397247][ T74] netlink_sendmsg+0x723/0xbe0 [ 2247.397247][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2247.397247][ T74] ___sys_sendmsg+0xee/0x170 [ 2247.397247][ T74] __sys_sendmsg+0xcd/0x170 [ 2247.397247][ T74] do_syscall_64+0xc6/0x1e0 [ 2247.397247][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.397247][ T74] [ 2247.399549][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2247.399549][ T74] netdev_get_by_index+0x5e/0x80 [ 2247.399549][ T74] fib6_nh_init+0x3d8/0x1580 [ 2247.399549][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2247.399549][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2247.399549][ T74] ipv6_add_addr+0x411/0x2000 [ 2247.399549][ T74] inet6_addr_add+0x30e/0xa40 [ 2247.399549][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2247.399549][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.399549][ T74] netlink_rcv_skb+0x130/0x360 [ 2247.399549][ T74] netlink_unicast+0x449/0x710 [ 2247.399549][ T74] netlink_sendmsg+0x723/0xbe0 [ 2247.399549][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2247.399549][ T74] ___sys_sendmsg+0xee/0x170 [ 2247.399549][ T74] __sys_sendmsg+0xcd/0x170 [ 2247.399549][ T74] do_syscall_64+0xc6/0x1e0 [ 2247.399549][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.399549][ T74] [ 2247.401798][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2247.401798][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2247.401798][ T74] ipv6_find_idev+0x102/0x170 [ 2247.401798][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2247.401798][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.401798][ T74] netlink_rcv_skb+0x130/0x360 [ 2247.401798][ T74] netlink_unicast+0x449/0x710 [ 2247.401798][ T74] netlink_sendmsg+0x723/0xbe0 [ 2247.401798][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2247.401798][ T74] ___sys_sendmsg+0xee/0x170 [ 2247.401798][ T74] __sys_sendmsg+0xcd/0x170 [ 2247.401798][ T74] do_syscall_64+0xc6/0x1e0 [ 2247.401798][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.401798][ T74] [ 2247.403458][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2247.403458][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2247.403458][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2247.403458][ T74] ipv6_find_idev+0x102/0x170 [ 2247.403458][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2247.403458][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.403458][ T74] netlink_rcv_skb+0x130/0x360 [ 2247.403458][ T74] netlink_unicast+0x449/0x710 [ 2247.403458][ T74] netlink_sendmsg+0x723/0xbe0 [ 2247.403458][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2247.403458][ T74] ___sys_sendmsg+0xee/0x170 [ 2247.403458][ T74] __sys_sendmsg+0xcd/0x170 [ 2247.403458][ T74] do_syscall_64+0xc6/0x1e0 [ 2247.403458][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.403458][ T74] [ 2257.423983][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2257.424407][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2257.424407][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2257.424407][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2257.424407][ T74] fib6_nh_init+0xa22/0x1580 [ 2257.424407][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2257.424407][ T74] ip6_route_add+0x1c/0x140 [ 2257.424407][ T74] inet6_rtm_newroute+0x104/0x110 [ 2257.424407][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2257.424407][ T74] netlink_rcv_skb+0x130/0x360 [ 2257.424407][ T74] netlink_unicast+0x449/0x710 [ 2257.424407][ T74] netlink_sendmsg+0x723/0xbe0 [ 2257.424407][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2257.424407][ T74] ___sys_sendmsg+0xee/0x170 [ 2257.424407][ T74] __sys_sendmsg+0xcd/0x170 [ 2257.424407][ T74] do_syscall_64+0xc6/0x1e0 [ 2257.424407][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2257.424407][ T74] [ 2257.426300][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2257.426300][ T74] netdev_get_by_index+0x5e/0x80 [ 2257.426300][ T74] fib6_nh_init+0x3d8/0x1580 [ 2257.426300][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2257.426300][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2257.426300][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2257.426300][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2257.426300][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2257.426300][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2257.426300][ T74] addrconf_dad_begin+0x310/0x670 [ 2257.426300][ T74] addrconf_dad_work+0x10b/0xab0 [ 2257.426300][ T74] process_one_work+0x84d/0x18a0 [ 2257.426300][ T74] worker_thread+0x587/0xd30 [ 2257.426300][ T74] kthread+0x28a/0x350 [ 2257.426300][ T74] ret_from_fork+0x31/0x70 [ 2257.426300][ T74] ret_from_fork_asm+0x1a/0x30 [ 2257.426300][ T74] [ 2257.428483][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2257.428483][ T74] netdev_get_by_index+0x5e/0x80 [ 2257.428483][ T74] fib6_nh_init+0x3d8/0x1580 [ 2257.428483][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2257.428483][ T74] ip6_route_add+0x1c/0x140 [ 2257.428483][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2257.428483][ T74] inet6_addr_add+0x4f8/0xa40 [ 2257.428483][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2257.428483][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2257.428483][ T74] netlink_rcv_skb+0x130/0x360 [ 2257.428483][ T74] netlink_unicast+0x449/0x710 [ 2257.428483][ T74] netlink_sendmsg+0x723/0xbe0 [ 2257.428483][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2257.428483][ T74] ___sys_sendmsg+0xee/0x170 [ 2257.428483][ T74] __sys_sendmsg+0xcd/0x170 [ 2257.428483][ T74] do_syscall_64+0xc6/0x1e0 [ 2257.428483][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2257.428483][ T74] [ 2257.430502][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2257.430502][ T74] netdev_get_by_index+0x5e/0x80 [ 2257.430502][ T74] fib6_nh_init+0x3d8/0x1580 [ 2257.430502][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2257.430502][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2257.430502][ T74] ipv6_add_addr+0x411/0x2000 [ 2257.430502][ T74] inet6_addr_add+0x30e/0xa40 [ 2257.430502][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2257.430502][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2257.430502][ T74] netlink_rcv_skb+0x130/0x360 [ 2257.430502][ T74] netlink_unicast+0x449/0x710 [ 2257.430502][ T74] netlink_sendmsg+0x723/0xbe0 [ 2257.430502][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2257.430502][ T74] ___sys_sendmsg+0xee/0x170 [ 2257.430502][ T74] __sys_sendmsg+0xcd/0x170 [ 2257.430502][ T74] do_syscall_64+0xc6/0x1e0 [ 2257.430502][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2257.430502][ T74] [ 2257.432543][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2257.432543][ T74] netdev_get_by_index+0x5e/0x80 [ 2257.432543][ T74] fib6_nh_init+0x3d8/0x1580 [ 2257.432543][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2257.432543][ T74] ip6_route_add+0x1c/0x140 [ 2257.432543][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2257.432543][ T74] addrconf_add_dev+0xe2/0x170 [ 2257.432543][ T74] inet6_addr_add+0x12f/0xa40 [ 2257.432543][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2257.432543][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2257.432543][ T74] netlink_rcv_skb+0x130/0x360 [ 2257.432543][ T74] netlink_unicast+0x449/0x710 [ 2257.432543][ T74] netlink_sendmsg+0x723/0xbe0 [ 2257.432543][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2257.432543][ T74] ___sys_sendmsg+0xee/0x170 [ 2257.432543][ T74] __sys_sendmsg+0xcd/0x170 [ 2257.432543][ T74] do_syscall_64+0xc6/0x1e0 [ 2257.432543][ T74] [ 2257.434564][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2257.434564][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2257.434564][ T74] ipv6_find_idev+0x102/0x170 [ 2257.434564][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2257.434564][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2257.434564][ T74] netlink_rcv_skb+0x130/0x360 [ 2257.434564][ T74] netlink_unicast+0x449/0x710 [ 2257.434564][ T74] netlink_sendmsg+0x723/0xbe0 [ 2257.434564][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2257.434564][ T74] ___sys_sendmsg+0xee/0x170 [ 2257.434564][ T74] __sys_sendmsg+0xcd/0x170 [ 2257.434564][ T74] do_syscall_64+0xc6/0x1e0 [ 2257.434564][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2257.434564][ T74] [ 2257.436101][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2257.436101][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2257.436101][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2257.436101][ T74] ipv6_find_idev+0x102/0x170 [ 2257.436101][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2257.436101][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2257.436101][ T74] netlink_rcv_skb+0x130/0x360 [ 2257.436101][ T74] netlink_unicast+0x449/0x710 [ 2257.436101][ T74] netlink_sendmsg+0x723/0xbe0 [ 2257.436101][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2257.436101][ T74] ___sys_sendmsg+0xee/0x170 [ 2257.436101][ T74] __sys_sendmsg+0xcd/0x170 [ 2257.436101][ T74] do_syscall_64+0xc6/0x1e0 [ 2257.436101][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2257.436101][ T74] [ 2257.437791][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2257.438090][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2257.438090][ T74] dst_init+0x84/0x4a0 [ 2257.438090][ T74] dst_alloc+0x97/0x150 [ 2257.438090][ T74] ip6_dst_alloc+0x23/0x90 [ 2257.438090][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2257.438090][ T74] ip6_pol_route+0x56f/0x840 [ 2257.438090][ T74] fib6_rule_lookup+0x456/0x630 [ 2257.438090][ T74] ip6_route_input+0x59c/0xa50 [ 2257.438090][ T74] ipv6_rcv+0x397/0x810 [ 2257.438090][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2257.438090][ T74] process_backlog+0x101/0x620 [ 2257.438090][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2257.438090][ T74] net_rx_action+0x495/0xbe0 [ 2257.438090][ T74] __do_softirq+0x1b5/0x7f6 [ 2257.438090][ T74] [ 2257.439769][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2257.439769][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2257.439769][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2257.439769][ T74] fib6_nh_init+0xa22/0x1580 [ 2257.439769][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2257.439769][ T74] ip6_route_add+0x1c/0x140 [ 2257.439769][ T74] inet6_rtm_newroute+0x104/0x110 [ 2257.439769][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2257.439769][ T74] netlink_rcv_skb+0x130/0x360 [ 2257.439769][ T74] netlink_unicast+0x449/0x710 [ 2257.439769][ T74] netlink_sendmsg+0x723/0xbe0 [ 2257.439769][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2257.439769][ T74] ___sys_sendmsg+0xee/0x170 [ 2257.439769][ T74] __sys_sendmsg+0xcd/0x170 [ 2257.439769][ T74] do_syscall_64+0xc6/0x1e0 [ 2257.439769][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2257.439769][ T74] [ 2257.442032][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2257.442032][ T74] netdev_get_by_index+0x5e/0x80 [ 2257.442032][ T74] fib6_nh_init+0x3d8/0x1580 [ 2257.442032][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2257.442032][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2257.442032][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2257.442032][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2257.442032][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2257.442032][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2257.442032][ T74] addrconf_dad_begin+0x310/0x670 [ 2257.442032][ T74] addrconf_dad_work+0x10b/0xab0 [ 2257.442032][ T74] process_one_work+0x84d/0x18a0 [ 2257.442032][ T74] worker_thread+0x587/0xd30 [ 2257.442032][ T74] kthread+0x28a/0x350 [ 2257.442032][ T74] ret_from_fork+0x31/0x70 [ 2257.442032][ T74] ret_from_fork_asm+0x1a/0x30 [ 2257.442032][ T74] [ 2257.443963][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2257.443963][ T74] netdev_get_by_index+0x5e/0x80 [ 2257.443963][ T74] fib6_nh_init+0x3d8/0x1580 [ 2257.443963][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2257.443963][ T74] ip6_route_add+0x1c/0x140 [ 2257.443963][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2257.443963][ T74] inet6_addr_add+0x4f8/0xa40 [ 2257.443963][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2257.443963][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2257.443963][ T74] netlink_rcv_skb+0x130/0x360 [ 2257.443963][ T74] netlink_unicast+0x449/0x710 [ 2257.443963][ T74] netlink_sendmsg+0x723/0xbe0 [ 2257.443963][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2257.443963][ T74] ___sys_sendmsg+0xee/0x170 [ 2257.443963][ T74] __sys_sendmsg+0xcd/0x170 [ 2257.443963][ T74] do_syscall_64+0xc6/0x1e0 [ 2257.443963][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2257.443963][ T74] [ 2257.445989][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2257.445989][ T74] netdev_get_by_index+0x5e/0x80 [ 2257.445989][ T74] fib6_nh_init+0x3d8/0x1580 [ 2257.445989][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2257.445989][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2257.445989][ T74] ipv6_add_addr+0x411/0x2000 [ 2257.445989][ T74] inet6_addr_add+0x30e/0xa40 [ 2257.445989][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2257.445989][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2257.445989][ T74] netlink_rcv_skb+0x130/0x360 [ 2257.445989][ T74] netlink_unicast+0x449/0x710 [ 2257.445989][ T74] netlink_sendmsg+0x723/0xbe0 [ 2257.445989][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2257.445989][ T74] ___sys_sendmsg+0xee/0x170 [ 2257.445989][ T74] __sys_sendmsg+0xcd/0x170 [ 2257.445989][ T74] do_syscall_64+0xc6/0x1e0 [ 2257.445989][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2257.445989][ T74] [ 2257.448032][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2257.448032][ T74] netdev_get_by_index+0x5e/0x80 [ 2257.448032][ T74] fib6_nh_init+0x3d8/0x1580 [ 2257.448032][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2257.448032][ T74] ip6_route_add+0x1c/0x140 [ 2257.448032][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2257.448032][ T74] addrconf_add_dev+0xe2/0x170 [ 2257.448032][ T74] inet6_addr_add+0x12f/0xa40 [ 2257.448032][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2257.448032][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2257.448032][ T74] netlink_rcv_skb+0x130/0x360 [ 2257.448032][ T74] netlink_unicast+0x449/0x710 [ 2257.448032][ T74] netlink_sendmsg+0x723/0xbe0 [ 2257.448032][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2257.448032][ T74] ___sys_sendmsg+0xee/0x170 [ 2257.448032][ T74] __sys_sendmsg+0xcd/0x170 [ 2257.448032][ T74] do_syscall_64+0xc6/0x1e0 [ 2257.448032][ T74] [ 2257.450010][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2257.450010][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2257.450010][ T74] ipv6_find_idev+0x102/0x170 [ 2257.450010][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2257.450010][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2257.450010][ T74] netlink_rcv_skb+0x130/0x360 [ 2257.450010][ T74] netlink_unicast+0x449/0x710 [ 2257.450010][ T74] netlink_sendmsg+0x723/0xbe0 [ 2257.450010][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2257.450010][ T74] ___sys_sendmsg+0xee/0x170 [ 2257.450010][ T74] __sys_sendmsg+0xcd/0x170 [ 2257.450010][ T74] do_syscall_64+0xc6/0x1e0 [ 2257.450010][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2257.450010][ T74] [ 2257.451796][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2257.451796][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2257.451796][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2257.451796][ T74] ipv6_find_idev+0x102/0x170 [ 2257.451796][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2257.451796][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2257.451796][ T74] netlink_rcv_skb+0x130/0x360 [ 2257.451796][ T74] netlink_unicast+0x449/0x710 [ 2257.451796][ T74] netlink_sendmsg+0x723/0xbe0 [ 2257.451796][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2257.451796][ T74] ___sys_sendmsg+0xee/0x170 [ 2257.451796][ T74] __sys_sendmsg+0xcd/0x170 [ 2257.451796][ T74] do_syscall_64+0xc6/0x1e0 [ 2257.451796][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2257.451796][ T74] [ 2257.453713][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2257.453962][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2257.453962][ T74] netdev_get_by_index+0x5e/0x80 [ 2257.453962][ T74] fib6_nh_init+0x3d8/0x1580 [ 2257.453962][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2257.453962][ T74] ip6_route_add+0x1c/0x140 [ 2257.453962][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2257.453962][ T74] inet6_addr_add+0x4f8/0xa40 [ 2257.453962][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2257.453962][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2257.453962][ T74] netlink_rcv_skb+0x130/0x360 [ 2257.453962][ T74] netlink_unicast+0x449/0x710 [ 2257.453962][ T74] netlink_sendmsg+0x723/0xbe0 [ 2257.453962][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2257.453962][ T74] ___sys_sendmsg+0xee/0x170 [ 2257.453962][ T74] __sys_sendmsg+0xcd/0x170 [ 2257.453962][ T74] do_syscall_64+0xc6/0x1e0 [ 2257.453962][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2257.453962][ T74] [ 2257.456198][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2257.456198][ T74] netdev_get_by_index+0x5e/0x80 [ 2257.456198][ T74] fib6_nh_init+0x3d8/0x1580 [ 2257.456198][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2257.456198][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2257.456198][ T74] ipv6_add_addr+0x411/0x2000 [ 2257.456198][ T74] inet6_addr_add+0x30e/0xa40 [ 2257.456198][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2257.456198][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2257.456198][ T74] netlink_rcv_skb+0x130/0x360 [ 2257.456198][ T74] netlink_unicast+0x449/0x710 [ 2257.456198][ T74] netlink_sendmsg+0x723/0xbe0 [ 2257.456198][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2257.456198][ T74] ___sys_sendmsg+0xee/0x170 [ 2257.456198][ T74] __sys_sendmsg+0xcd/0x170 [ 2257.456198][ T74] do_syscall_64+0xc6/0x1e0 [ 2257.456198][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2257.456198][ T74] [ 2257.458499][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2257.458499][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2257.458499][ T74] ipv6_find_idev+0x102/0x170 [ 2257.458499][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2257.458499][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2257.458499][ T74] netlink_rcv_skb+0x130/0x360 [ 2257.458499][ T74] netlink_unicast+0x449/0x710 [ 2257.458499][ T74] netlink_sendmsg+0x723/0xbe0 [ 2257.458499][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2257.458499][ T74] ___sys_sendmsg+0xee/0x170 [ 2257.458499][ T74] __sys_sendmsg+0xcd/0x170 [ 2257.458499][ T74] do_syscall_64+0xc6/0x1e0 [ 2257.458499][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2257.458499][ T74] [ 2257.460155][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2257.460155][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2257.460155][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2257.460155][ T74] ipv6_find_idev+0x102/0x170 [ 2257.460155][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2257.460155][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2257.460155][ T74] netlink_rcv_skb+0x130/0x360 [ 2257.460155][ T74] netlink_unicast+0x449/0x710 [ 2257.460155][ T74] netlink_sendmsg+0x723/0xbe0 [ 2257.460155][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2257.460155][ T74] ___sys_sendmsg+0xee/0x170 [ 2257.460155][ T74] __sys_sendmsg+0xcd/0x170 [ 2257.460155][ T74] do_syscall_64+0xc6/0x1e0 [ 2257.460155][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2257.460155][ T74] [ 2267.463929][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2267.464300][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2267.464300][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2267.464300][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2267.464300][ T74] fib6_nh_init+0xa22/0x1580 [ 2267.464300][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2267.464300][ T74] ip6_route_add+0x1c/0x140 [ 2267.464300][ T74] inet6_rtm_newroute+0x104/0x110 [ 2267.464300][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2267.464300][ T74] netlink_rcv_skb+0x130/0x360 [ 2267.464300][ T74] netlink_unicast+0x449/0x710 [ 2267.464300][ T74] netlink_sendmsg+0x723/0xbe0 [ 2267.464300][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2267.464300][ T74] ___sys_sendmsg+0xee/0x170 [ 2267.464300][ T74] __sys_sendmsg+0xcd/0x170 [ 2267.464300][ T74] do_syscall_64+0xc6/0x1e0 [ 2267.464300][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2267.464300][ T74] [ 2267.466232][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2267.466232][ T74] netdev_get_by_index+0x5e/0x80 [ 2267.466232][ T74] fib6_nh_init+0x3d8/0x1580 [ 2267.466232][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2267.466232][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2267.466232][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2267.466232][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2267.466232][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2267.466232][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2267.466232][ T74] addrconf_dad_begin+0x310/0x670 [ 2267.466232][ T74] addrconf_dad_work+0x10b/0xab0 [ 2267.466232][ T74] process_one_work+0x84d/0x18a0 [ 2267.466232][ T74] worker_thread+0x587/0xd30 [ 2267.466232][ T74] kthread+0x28a/0x350 [ 2267.466232][ T74] ret_from_fork+0x31/0x70 [ 2267.466232][ T74] ret_from_fork_asm+0x1a/0x30 [ 2267.466232][ T74] [ 2267.468189][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2267.468189][ T74] netdev_get_by_index+0x5e/0x80 [ 2267.468189][ T74] fib6_nh_init+0x3d8/0x1580 [ 2267.468189][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2267.468189][ T74] ip6_route_add+0x1c/0x140 [ 2267.468189][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2267.468189][ T74] inet6_addr_add+0x4f8/0xa40 [ 2267.468189][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2267.468189][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2267.468189][ T74] netlink_rcv_skb+0x130/0x360 [ 2267.468189][ T74] netlink_unicast+0x449/0x710 [ 2267.468189][ T74] netlink_sendmsg+0x723/0xbe0 [ 2267.468189][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2267.468189][ T74] ___sys_sendmsg+0xee/0x170 [ 2267.468189][ T74] __sys_sendmsg+0xcd/0x170 [ 2267.468189][ T74] do_syscall_64+0xc6/0x1e0 [ 2267.468189][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2267.468189][ T74] [ 2267.470247][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2267.470247][ T74] netdev_get_by_index+0x5e/0x80 [ 2267.470247][ T74] fib6_nh_init+0x3d8/0x1580 [ 2267.470247][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2267.470247][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2267.470247][ T74] ipv6_add_addr+0x411/0x2000 [ 2267.470247][ T74] inet6_addr_add+0x30e/0xa40 [ 2267.470247][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2267.470247][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2267.470247][ T74] netlink_rcv_skb+0x130/0x360 [ 2267.470247][ T74] netlink_unicast+0x449/0x710 [ 2267.470247][ T74] netlink_sendmsg+0x723/0xbe0 [ 2267.470247][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2267.470247][ T74] ___sys_sendmsg+0xee/0x170 [ 2267.470247][ T74] __sys_sendmsg+0xcd/0x170 [ 2267.470247][ T74] do_syscall_64+0xc6/0x1e0 [ 2267.470247][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2267.470247][ T74] [ 2267.472300][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2267.472300][ T74] netdev_get_by_index+0x5e/0x80 [ 2267.472300][ T74] fib6_nh_init+0x3d8/0x1580 [ 2267.472300][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2267.472300][ T74] ip6_route_add+0x1c/0x140 [ 2267.472300][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2267.472300][ T74] addrconf_add_dev+0xe2/0x170 [ 2267.472300][ T74] inet6_addr_add+0x12f/0xa40 [ 2267.472300][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2267.472300][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2267.472300][ T74] netlink_rcv_skb+0x130/0x360 [ 2267.472300][ T74] netlink_unicast+0x449/0x710 [ 2267.472300][ T74] netlink_sendmsg+0x723/0xbe0 [ 2267.472300][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2267.472300][ T74] ___sys_sendmsg+0xee/0x170 [ 2267.472300][ T74] __sys_sendmsg+0xcd/0x170 [ 2267.472300][ T74] do_syscall_64+0xc6/0x1e0 [ 2267.472300][ T74] [ 2267.474270][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2267.474270][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2267.474270][ T74] ipv6_find_idev+0x102/0x170 [ 2267.474270][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2267.474270][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2267.474270][ T74] netlink_rcv_skb+0x130/0x360 [ 2267.474270][ T74] netlink_unicast+0x449/0x710 [ 2267.474270][ T74] netlink_sendmsg+0x723/0xbe0 [ 2267.474270][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2267.474270][ T74] ___sys_sendmsg+0xee/0x170 [ 2267.474270][ T74] __sys_sendmsg+0xcd/0x170 [ 2267.474270][ T74] do_syscall_64+0xc6/0x1e0 [ 2267.474270][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2267.474270][ T74] [ 2267.475818][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2267.475818][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2267.475818][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2267.475818][ T74] ipv6_find_idev+0x102/0x170 [ 2267.475818][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2267.475818][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2267.475818][ T74] netlink_rcv_skb+0x130/0x360 [ 2267.475818][ T74] netlink_unicast+0x449/0x710 [ 2267.475818][ T74] netlink_sendmsg+0x723/0xbe0 [ 2267.475818][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2267.475818][ T74] ___sys_sendmsg+0xee/0x170 [ 2267.475818][ T74] __sys_sendmsg+0xcd/0x170 [ 2267.475818][ T74] do_syscall_64+0xc6/0x1e0 [ 2267.475818][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2267.475818][ T74] [ 2267.477553][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2267.477828][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2267.477828][ T74] dst_init+0x84/0x4a0 [ 2267.477828][ T74] dst_alloc+0x97/0x150 [ 2267.477828][ T74] ip6_dst_alloc+0x23/0x90 [ 2267.477828][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2267.477828][ T74] ip6_pol_route+0x56f/0x840 [ 2267.477828][ T74] fib6_rule_lookup+0x456/0x630 [ 2267.477828][ T74] ip6_route_input+0x59c/0xa50 [ 2267.477828][ T74] ipv6_rcv+0x397/0x810 [ 2267.477828][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2267.477828][ T74] process_backlog+0x101/0x620 [ 2267.477828][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2267.477828][ T74] net_rx_action+0x495/0xbe0 [ 2267.477828][ T74] __do_softirq+0x1b5/0x7f6 [ 2267.477828][ T74] [ 2267.479515][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2267.479515][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2267.479515][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2267.479515][ T74] fib6_nh_init+0xa22/0x1580 [ 2267.479515][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2267.479515][ T74] ip6_route_add+0x1c/0x140 [ 2267.479515][ T74] inet6_rtm_newroute+0x104/0x110 [ 2267.479515][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2267.479515][ T74] netlink_rcv_skb+0x130/0x360 [ 2267.479515][ T74] netlink_unicast+0x449/0x710 [ 2267.479515][ T74] netlink_sendmsg+0x723/0xbe0 [ 2267.479515][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2267.479515][ T74] ___sys_sendmsg+0xee/0x170 [ 2267.479515][ T74] __sys_sendmsg+0xcd/0x170 [ 2267.479515][ T74] do_syscall_64+0xc6/0x1e0 [ 2267.479515][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2267.479515][ T74] [ 2267.481483][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2267.481483][ T74] netdev_get_by_index+0x5e/0x80 [ 2267.481483][ T74] fib6_nh_init+0x3d8/0x1580 [ 2267.481483][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2267.481483][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2267.481483][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2267.481483][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2267.481483][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2267.481483][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2267.481483][ T74] addrconf_dad_begin+0x310/0x670 [ 2267.481483][ T74] addrconf_dad_work+0x10b/0xab0 [ 2267.481483][ T74] process_one_work+0x84d/0x18a0 [ 2267.481483][ T74] worker_thread+0x587/0xd30 [ 2267.481483][ T74] kthread+0x28a/0x350 [ 2267.481483][ T74] ret_from_fork+0x31/0x70 [ 2267.481483][ T74] ret_from_fork_asm+0x1a/0x30 [ 2267.481483][ T74] [ 2267.483446][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2267.483446][ T74] netdev_get_by_index+0x5e/0x80 [ 2267.483446][ T74] fib6_nh_init+0x3d8/0x1580 [ 2267.483446][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2267.483446][ T74] ip6_route_add+0x1c/0x140 [ 2267.483446][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2267.483446][ T74] inet6_addr_add+0x4f8/0xa40 [ 2267.483446][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2267.483446][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2267.483446][ T74] netlink_rcv_skb+0x130/0x360 [ 2267.483446][ T74] netlink_unicast+0x449/0x710 [ 2267.483446][ T74] netlink_sendmsg+0x723/0xbe0 [ 2267.483446][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2267.483446][ T74] ___sys_sendmsg+0xee/0x170 [ 2267.483446][ T74] __sys_sendmsg+0xcd/0x170 [ 2267.483446][ T74] do_syscall_64+0xc6/0x1e0 [ 2267.483446][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2267.483446][ T74] [ 2267.485486][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2267.485486][ T74] netdev_get_by_index+0x5e/0x80 [ 2267.485486][ T74] fib6_nh_init+0x3d8/0x1580 [ 2267.485486][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2267.485486][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2267.485486][ T74] ipv6_add_addr+0x411/0x2000 [ 2267.485486][ T74] inet6_addr_add+0x30e/0xa40 [ 2267.485486][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2267.485486][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2267.485486][ T74] netlink_rcv_skb+0x130/0x360 [ 2267.485486][ T74] netlink_unicast+0x449/0x710 [ 2267.485486][ T74] netlink_sendmsg+0x723/0xbe0 [ 2267.485486][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2267.485486][ T74] ___sys_sendmsg+0xee/0x170 [ 2267.485486][ T74] __sys_sendmsg+0xcd/0x170 [ 2267.485486][ T74] do_syscall_64+0xc6/0x1e0 [ 2267.485486][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2267.485486][ T74] [ 2267.487529][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2267.487529][ T74] netdev_get_by_index+0x5e/0x80 [ 2267.487529][ T74] fib6_nh_init+0x3d8/0x1580 [ 2267.487529][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2267.487529][ T74] ip6_route_add+0x1c/0x140 [ 2267.487529][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2267.487529][ T74] addrconf_add_dev+0xe2/0x170 [ 2267.487529][ T74] inet6_addr_add+0x12f/0xa40 [ 2267.487529][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2267.487529][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2267.487529][ T74] netlink_rcv_skb+0x130/0x360 [ 2267.487529][ T74] netlink_unicast+0x449/0x710 [ 2267.487529][ T74] netlink_sendmsg+0x723/0xbe0 [ 2267.487529][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2267.487529][ T74] ___sys_sendmsg+0xee/0x170 [ 2267.487529][ T74] __sys_sendmsg+0xcd/0x170 [ 2267.487529][ T74] do_syscall_64+0xc6/0x1e0 [ 2267.487529][ T74] [ 2267.489568][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2267.489568][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2267.489568][ T74] ipv6_find_idev+0x102/0x170 [ 2267.489568][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2267.489568][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2267.489568][ T74] netlink_rcv_skb+0x130/0x360 [ 2267.489568][ T74] netlink_unicast+0x449/0x710 [ 2267.489568][ T74] netlink_sendmsg+0x723/0xbe0 [ 2267.489568][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2267.489568][ T74] ___sys_sendmsg+0xee/0x170 [ 2267.489568][ T74] __sys_sendmsg+0xcd/0x170 [ 2267.489568][ T74] do_syscall_64+0xc6/0x1e0 [ 2267.489568][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2267.489568][ T74] [ 2267.491267][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2267.491267][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2267.491267][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2267.491267][ T74] ipv6_find_idev+0x102/0x170 [ 2267.491267][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2267.491267][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2267.491267][ T74] netlink_rcv_skb+0x130/0x360 [ 2267.491267][ T74] netlink_unicast+0x449/0x710 [ 2267.491267][ T74] netlink_sendmsg+0x723/0xbe0 [ 2267.491267][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2267.491267][ T74] ___sys_sendmsg+0xee/0x170 [ 2267.491267][ T74] __sys_sendmsg+0xcd/0x170 [ 2267.491267][ T74] do_syscall_64+0xc6/0x1e0 [ 2267.491267][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2267.491267][ T74] [ 2267.493139][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2267.493450][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2267.493450][ T74] netdev_get_by_index+0x5e/0x80 [ 2267.493450][ T74] fib6_nh_init+0x3d8/0x1580 [ 2267.493450][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2267.493450][ T74] ip6_route_add+0x1c/0x140 [ 2267.493450][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2267.493450][ T74] inet6_addr_add+0x4f8/0xa40 [ 2267.493450][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2267.493450][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2267.493450][ T74] netlink_rcv_skb+0x130/0x360 [ 2267.493450][ T74] netlink_unicast+0x449/0x710 [ 2267.493450][ T74] netlink_sendmsg+0x723/0xbe0 [ 2267.493450][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2267.493450][ T74] ___sys_sendmsg+0xee/0x170 [ 2267.493450][ T74] __sys_sendmsg+0xcd/0x170 [ 2267.493450][ T74] do_syscall_64+0xc6/0x1e0 [ 2267.493450][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2267.493450][ T74] [ 2267.495655][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2267.495655][ T74] netdev_get_by_index+0x5e/0x80 [ 2267.495655][ T74] fib6_nh_init+0x3d8/0x1580 [ 2267.495655][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2267.495655][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2267.495655][ T74] ipv6_add_addr+0x411/0x2000 [ 2267.495655][ T74] inet6_addr_add+0x30e/0xa40 [ 2267.495655][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2267.495655][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2267.495655][ T74] netlink_rcv_skb+0x130/0x360 [ 2267.495655][ T74] netlink_unicast+0x449/0x710 [ 2267.495655][ T74] netlink_sendmsg+0x723/0xbe0 [ 2267.495655][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2267.495655][ T74] ___sys_sendmsg+0xee/0x170 [ 2267.495655][ T74] __sys_sendmsg+0xcd/0x170 [ 2267.495655][ T74] do_syscall_64+0xc6/0x1e0 [ 2267.495655][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2267.495655][ T74] [ 2267.497904][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2267.497904][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2267.497904][ T74] ipv6_find_idev+0x102/0x170 [ 2267.497904][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2267.497904][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2267.497904][ T74] netlink_rcv_skb+0x130/0x360 [ 2267.497904][ T74] netlink_unicast+0x449/0x710 [ 2267.497904][ T74] netlink_sendmsg+0x723/0xbe0 [ 2267.497904][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2267.497904][ T74] ___sys_sendmsg+0xee/0x170 [ 2267.497904][ T74] __sys_sendmsg+0xcd/0x170 [ 2267.497904][ T74] do_syscall_64+0xc6/0x1e0 [ 2267.497904][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2267.497904][ T74] [ 2267.499673][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2267.499673][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2267.499673][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2267.499673][ T74] ipv6_find_idev+0x102/0x170 [ 2267.499673][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2267.499673][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2267.499673][ T74] netlink_rcv_skb+0x130/0x360 [ 2267.499673][ T74] netlink_unicast+0x449/0x710 [ 2267.499673][ T74] netlink_sendmsg+0x723/0xbe0 [ 2267.499673][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2267.499673][ T74] ___sys_sendmsg+0xee/0x170 [ 2267.499673][ T74] __sys_sendmsg+0xcd/0x170 [ 2267.499673][ T74] do_syscall_64+0xc6/0x1e0 [ 2267.499673][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2267.499673][ T74] [ 2277.551907][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2277.552363][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2277.552363][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2277.552363][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2277.552363][ T74] fib6_nh_init+0xa22/0x1580 [ 2277.552363][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2277.552363][ T74] ip6_route_add+0x1c/0x140 [ 2277.552363][ T74] inet6_rtm_newroute+0x104/0x110 [ 2277.552363][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2277.552363][ T74] netlink_rcv_skb+0x130/0x360 [ 2277.552363][ T74] netlink_unicast+0x449/0x710 [ 2277.552363][ T74] netlink_sendmsg+0x723/0xbe0 [ 2277.552363][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2277.552363][ T74] ___sys_sendmsg+0xee/0x170 [ 2277.552363][ T74] __sys_sendmsg+0xcd/0x170 [ 2277.552363][ T74] do_syscall_64+0xc6/0x1e0 [ 2277.552363][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2277.552363][ T74] [ 2277.554257][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2277.554257][ T74] netdev_get_by_index+0x5e/0x80 [ 2277.554257][ T74] fib6_nh_init+0x3d8/0x1580 [ 2277.554257][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2277.554257][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2277.554257][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2277.554257][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2277.554257][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2277.554257][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2277.554257][ T74] addrconf_dad_begin+0x310/0x670 [ 2277.554257][ T74] addrconf_dad_work+0x10b/0xab0 [ 2277.554257][ T74] process_one_work+0x84d/0x18a0 [ 2277.554257][ T74] worker_thread+0x587/0xd30 [ 2277.554257][ T74] kthread+0x28a/0x350 [ 2277.554257][ T74] ret_from_fork+0x31/0x70 [ 2277.554257][ T74] ret_from_fork_asm+0x1a/0x30 [ 2277.554257][ T74] [ 2277.556178][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2277.556178][ T74] netdev_get_by_index+0x5e/0x80 [ 2277.556178][ T74] fib6_nh_init+0x3d8/0x1580 [ 2277.556178][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2277.556178][ T74] ip6_route_add+0x1c/0x140 [ 2277.556178][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2277.556178][ T74] inet6_addr_add+0x4f8/0xa40 [ 2277.556178][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2277.556178][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2277.556178][ T74] netlink_rcv_skb+0x130/0x360 [ 2277.556178][ T74] netlink_unicast+0x449/0x710 [ 2277.556178][ T74] netlink_sendmsg+0x723/0xbe0 [ 2277.556178][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2277.556178][ T74] ___sys_sendmsg+0xee/0x170 [ 2277.556178][ T74] __sys_sendmsg+0xcd/0x170 [ 2277.556178][ T74] do_syscall_64+0xc6/0x1e0 [ 2277.556178][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2277.556178][ T74] [ 2277.558222][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2277.558222][ T74] netdev_get_by_index+0x5e/0x80 [ 2277.558222][ T74] fib6_nh_init+0x3d8/0x1580 [ 2277.558222][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2277.558222][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2277.558222][ T74] ipv6_add_addr+0x411/0x2000 [ 2277.558222][ T74] inet6_addr_add+0x30e/0xa40 [ 2277.558222][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2277.558222][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2277.558222][ T74] netlink_rcv_skb+0x130/0x360 [ 2277.558222][ T74] netlink_unicast+0x449/0x710 [ 2277.558222][ T74] netlink_sendmsg+0x723/0xbe0 [ 2277.558222][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2277.558222][ T74] ___sys_sendmsg+0xee/0x170 [ 2277.558222][ T74] __sys_sendmsg+0xcd/0x170 [ 2277.558222][ T74] do_syscall_64+0xc6/0x1e0 [ 2277.558222][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2277.558222][ T74] [ 2277.560237][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2277.560237][ T74] netdev_get_by_index+0x5e/0x80 [ 2277.560237][ T74] fib6_nh_init+0x3d8/0x1580 [ 2277.560237][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2277.560237][ T74] ip6_route_add+0x1c/0x140 [ 2277.560237][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2277.560237][ T74] addrconf_add_dev+0xe2/0x170 [ 2277.560237][ T74] inet6_addr_add+0x12f/0xa40 [ 2277.560237][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2277.560237][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2277.560237][ T74] netlink_rcv_skb+0x130/0x360 [ 2277.560237][ T74] netlink_unicast+0x449/0x710 [ 2277.560237][ T74] netlink_sendmsg+0x723/0xbe0 [ 2277.560237][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2277.560237][ T74] ___sys_sendmsg+0xee/0x170 [ 2277.560237][ T74] __sys_sendmsg+0xcd/0x170 [ 2277.560237][ T74] do_syscall_64+0xc6/0x1e0 [ 2277.560237][ T74] [ 2277.562193][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2277.562193][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2277.562193][ T74] ipv6_find_idev+0x102/0x170 [ 2277.562193][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2277.562193][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2277.562193][ T74] netlink_rcv_skb+0x130/0x360 [ 2277.562193][ T74] netlink_unicast+0x449/0x710 [ 2277.562193][ T74] netlink_sendmsg+0x723/0xbe0 [ 2277.562193][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2277.562193][ T74] ___sys_sendmsg+0xee/0x170 [ 2277.562193][ T74] __sys_sendmsg+0xcd/0x170 [ 2277.562193][ T74] do_syscall_64+0xc6/0x1e0 [ 2277.562193][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2277.562193][ T74] [ 2277.563746][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2277.563746][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2277.563746][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2277.563746][ T74] ipv6_find_idev+0x102/0x170 [ 2277.563746][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2277.563746][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2277.563746][ T74] netlink_rcv_skb+0x130/0x360 [ 2277.563746][ T74] netlink_unicast+0x449/0x710 [ 2277.563746][ T74] netlink_sendmsg+0x723/0xbe0 [ 2277.563746][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2277.563746][ T74] ___sys_sendmsg+0xee/0x170 [ 2277.563746][ T74] __sys_sendmsg+0xcd/0x170 [ 2277.563746][ T74] do_syscall_64+0xc6/0x1e0 [ 2277.563746][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2277.563746][ T74] [ 2277.565455][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2277.565726][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2277.565726][ T74] dst_init+0x84/0x4a0 [ 2277.565726][ T74] dst_alloc+0x97/0x150 [ 2277.565726][ T74] ip6_dst_alloc+0x23/0x90 [ 2277.565726][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2277.565726][ T74] ip6_pol_route+0x56f/0x840 [ 2277.565726][ T74] fib6_rule_lookup+0x456/0x630 [ 2277.565726][ T74] ip6_route_input+0x59c/0xa50 [ 2277.565726][ T74] ipv6_rcv+0x397/0x810 [ 2277.565726][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2277.565726][ T74] process_backlog+0x101/0x620 [ 2277.565726][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2277.565726][ T74] net_rx_action+0x495/0xbe0 [ 2277.565726][ T74] __do_softirq+0x1b5/0x7f6 [ 2277.565726][ T74] [ 2277.567378][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2277.567378][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2277.567378][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2277.567378][ T74] fib6_nh_init+0xa22/0x1580 [ 2277.567378][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2277.567378][ T74] ip6_route_add+0x1c/0x140 [ 2277.567378][ T74] inet6_rtm_newroute+0x104/0x110 [ 2277.567378][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2277.567378][ T74] netlink_rcv_skb+0x130/0x360 [ 2277.567378][ T74] netlink_unicast+0x449/0x710 [ 2277.567378][ T74] netlink_sendmsg+0x723/0xbe0 [ 2277.567378][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2277.567378][ T74] ___sys_sendmsg+0xee/0x170 [ 2277.567378][ T74] __sys_sendmsg+0xcd/0x170 [ 2277.567378][ T74] do_syscall_64+0xc6/0x1e0 [ 2277.567378][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2277.567378][ T74] [ 2277.569274][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2277.569274][ T74] netdev_get_by_index+0x5e/0x80 [ 2277.569274][ T74] fib6_nh_init+0x3d8/0x1580 [ 2277.569274][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2277.569274][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2277.569274][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2277.569274][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2277.569274][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2277.569274][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2277.569274][ T74] addrconf_dad_begin+0x310/0x670 [ 2277.569274][ T74] addrconf_dad_work+0x10b/0xab0 [ 2277.569274][ T74] process_one_work+0x84d/0x18a0 [ 2277.569274][ T74] worker_thread+0x587/0xd30 [ 2277.569274][ T74] kthread+0x28a/0x350 [ 2277.569274][ T74] ret_from_fork+0x31/0x70 [ 2277.569274][ T74] ret_from_fork_asm+0x1a/0x30 [ 2277.569274][ T74] [ 2277.571207][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2277.571207][ T74] netdev_get_by_index+0x5e/0x80 [ 2277.571207][ T74] fib6_nh_init+0x3d8/0x1580 [ 2277.571207][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2277.571207][ T74] ip6_route_add+0x1c/0x140 [ 2277.571207][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2277.571207][ T74] inet6_addr_add+0x4f8/0xa40 [ 2277.571207][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2277.571207][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2277.571207][ T74] netlink_rcv_skb+0x130/0x360 [ 2277.571207][ T74] netlink_unicast+0x449/0x710 [ 2277.571207][ T74] netlink_sendmsg+0x723/0xbe0 [ 2277.571207][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2277.571207][ T74] ___sys_sendmsg+0xee/0x170 [ 2277.571207][ T74] __sys_sendmsg+0xcd/0x170 [ 2277.571207][ T74] do_syscall_64+0xc6/0x1e0 [ 2277.571207][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2277.571207][ T74] [ 2277.573203][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2277.573203][ T74] netdev_get_by_index+0x5e/0x80 [ 2277.573203][ T74] fib6_nh_init+0x3d8/0x1580 [ 2277.573203][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2277.573203][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2277.573203][ T74] ipv6_add_addr+0x411/0x2000 [ 2277.573203][ T74] inet6_addr_add+0x30e/0xa40 [ 2277.573203][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2277.573203][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2277.573203][ T74] netlink_rcv_skb+0x130/0x360 [ 2277.573203][ T74] netlink_unicast+0x449/0x710 [ 2277.573203][ T74] netlink_sendmsg+0x723/0xbe0 [ 2277.573203][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2277.573203][ T74] ___sys_sendmsg+0xee/0x170 [ 2277.573203][ T74] __sys_sendmsg+0xcd/0x170 [ 2277.573203][ T74] do_syscall_64+0xc6/0x1e0 [ 2277.573203][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2277.573203][ T74] [ 2277.575204][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2277.575204][ T74] netdev_get_by_index+0x5e/0x80 [ 2277.575204][ T74] fib6_nh_init+0x3d8/0x1580 [ 2277.575204][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2277.575204][ T74] ip6_route_add+0x1c/0x140 [ 2277.575204][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2277.575204][ T74] addrconf_add_dev+0xe2/0x170 [ 2277.575204][ T74] inet6_addr_add+0x12f/0xa40 [ 2277.575204][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2277.575204][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2277.575204][ T74] netlink_rcv_skb+0x130/0x360 [ 2277.575204][ T74] netlink_unicast+0x449/0x710 [ 2277.575204][ T74] netlink_sendmsg+0x723/0xbe0 [ 2277.575204][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2277.575204][ T74] ___sys_sendmsg+0xee/0x170 [ 2277.575204][ T74] __sys_sendmsg+0xcd/0x170 [ 2277.575204][ T74] do_syscall_64+0xc6/0x1e0 [ 2277.575204][ T74] [ 2277.577159][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2277.577159][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2277.577159][ T74] ipv6_find_idev+0x102/0x170 [ 2277.577159][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2277.577159][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2277.577159][ T74] netlink_rcv_skb+0x130/0x360 [ 2277.577159][ T74] netlink_unicast+0x449/0x710 [ 2277.577159][ T74] netlink_sendmsg+0x723/0xbe0 [ 2277.577159][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2277.577159][ T74] ___sys_sendmsg+0xee/0x170 [ 2277.577159][ T74] __sys_sendmsg+0xcd/0x170 [ 2277.577159][ T74] do_syscall_64+0xc6/0x1e0 [ 2277.577159][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2277.577159][ T74] [ 2277.578822][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2277.578822][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2277.578822][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2277.578822][ T74] ipv6_find_idev+0x102/0x170 [ 2277.578822][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2277.578822][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2277.578822][ T74] netlink_rcv_skb+0x130/0x360 [ 2277.578822][ T74] netlink_unicast+0x449/0x710 [ 2277.578822][ T74] netlink_sendmsg+0x723/0xbe0 [ 2277.578822][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2277.578822][ T74] ___sys_sendmsg+0xee/0x170 [ 2277.578822][ T74] __sys_sendmsg+0xcd/0x170 [ 2277.578822][ T74] do_syscall_64+0xc6/0x1e0 [ 2277.578822][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2277.578822][ T74] [ 2277.580763][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2277.581087][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2277.581087][ T74] netdev_get_by_index+0x5e/0x80 [ 2277.581087][ T74] fib6_nh_init+0x3d8/0x1580 [ 2277.581087][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2277.581087][ T74] ip6_route_add+0x1c/0x140 [ 2277.581087][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2277.581087][ T74] inet6_addr_add+0x4f8/0xa40 [ 2277.581087][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2277.581087][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2277.581087][ T74] netlink_rcv_skb+0x130/0x360 [ 2277.581087][ T74] netlink_unicast+0x449/0x710 [ 2277.581087][ T74] netlink_sendmsg+0x723/0xbe0 [ 2277.581087][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2277.581087][ T74] ___sys_sendmsg+0xee/0x170 [ 2277.581087][ T74] __sys_sendmsg+0xcd/0x170 [ 2277.581087][ T74] do_syscall_64+0xc6/0x1e0 [ 2277.581087][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2277.581087][ T74] [ 2277.583212][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2277.583212][ T74] netdev_get_by_index+0x5e/0x80 [ 2277.583212][ T74] fib6_nh_init+0x3d8/0x1580 [ 2277.583212][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2277.583212][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2277.583212][ T74] ipv6_add_addr+0x411/0x2000 [ 2277.583212][ T74] inet6_addr_add+0x30e/0xa40 [ 2277.583212][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2277.583212][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2277.583212][ T74] netlink_rcv_skb+0x130/0x360 [ 2277.583212][ T74] netlink_unicast+0x449/0x710 [ 2277.583212][ T74] netlink_sendmsg+0x723/0xbe0 [ 2277.583212][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2277.583212][ T74] ___sys_sendmsg+0xee/0x170 [ 2277.583212][ T74] __sys_sendmsg+0xcd/0x170 [ 2277.583212][ T74] do_syscall_64+0xc6/0x1e0 [ 2277.583212][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2277.583212][ T74] [ 2277.585450][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2277.585450][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2277.585450][ T74] ipv6_find_idev+0x102/0x170 [ 2277.585450][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2277.585450][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2277.585450][ T74] netlink_rcv_skb+0x130/0x360 [ 2277.585450][ T74] netlink_unicast+0x449/0x710 [ 2277.585450][ T74] netlink_sendmsg+0x723/0xbe0 [ 2277.585450][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2277.585450][ T74] ___sys_sendmsg+0xee/0x170 [ 2277.585450][ T74] __sys_sendmsg+0xcd/0x170 [ 2277.585450][ T74] do_syscall_64+0xc6/0x1e0 [ 2277.585450][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2277.585450][ T74] [ 2277.587165][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2277.587165][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2277.587165][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2277.587165][ T74] ipv6_find_idev+0x102/0x170 [ 2277.587165][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2277.587165][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2277.587165][ T74] netlink_rcv_skb+0x130/0x360 [ 2277.587165][ T74] netlink_unicast+0x449/0x710 [ 2277.587165][ T74] netlink_sendmsg+0x723/0xbe0 [ 2277.587165][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2277.587165][ T74] ___sys_sendmsg+0xee/0x170 [ 2277.587165][ T74] __sys_sendmsg+0xcd/0x170 [ 2277.587165][ T74] do_syscall_64+0xc6/0x1e0 [ 2277.587165][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2277.587165][ T74] [ 2287.831932][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2287.832305][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2287.832305][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2287.832305][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2287.832305][ T74] fib6_nh_init+0xa22/0x1580 [ 2287.832305][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2287.832305][ T74] ip6_route_add+0x1c/0x140 [ 2287.832305][ T74] inet6_rtm_newroute+0x104/0x110 [ 2287.832305][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2287.832305][ T74] netlink_rcv_skb+0x130/0x360 [ 2287.832305][ T74] netlink_unicast+0x449/0x710 [ 2287.832305][ T74] netlink_sendmsg+0x723/0xbe0 [ 2287.832305][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2287.832305][ T74] ___sys_sendmsg+0xee/0x170 [ 2287.832305][ T74] __sys_sendmsg+0xcd/0x170 [ 2287.832305][ T74] do_syscall_64+0xc6/0x1e0 [ 2287.832305][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2287.832305][ T74] [ 2287.834298][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2287.834298][ T74] netdev_get_by_index+0x5e/0x80 [ 2287.834298][ T74] fib6_nh_init+0x3d8/0x1580 [ 2287.834298][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2287.834298][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2287.834298][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2287.834298][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2287.834298][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2287.834298][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2287.834298][ T74] addrconf_dad_begin+0x310/0x670 [ 2287.834298][ T74] addrconf_dad_work+0x10b/0xab0 [ 2287.834298][ T74] process_one_work+0x84d/0x18a0 [ 2287.834298][ T74] worker_thread+0x587/0xd30 [ 2287.834298][ T74] kthread+0x28a/0x350 [ 2287.834298][ T74] ret_from_fork+0x31/0x70 [ 2287.834298][ T74] ret_from_fork_asm+0x1a/0x30 [ 2287.834298][ T74] [ 2287.836195][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2287.836195][ T74] netdev_get_by_index+0x5e/0x80 [ 2287.836195][ T74] fib6_nh_init+0x3d8/0x1580 [ 2287.836195][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2287.836195][ T74] ip6_route_add+0x1c/0x140 [ 2287.836195][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2287.836195][ T74] inet6_addr_add+0x4f8/0xa40 [ 2287.836195][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2287.836195][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2287.836195][ T74] netlink_rcv_skb+0x130/0x360 [ 2287.836195][ T74] netlink_unicast+0x449/0x710 [ 2287.836195][ T74] netlink_sendmsg+0x723/0xbe0 [ 2287.836195][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2287.836195][ T74] ___sys_sendmsg+0xee/0x170 [ 2287.836195][ T74] __sys_sendmsg+0xcd/0x170 [ 2287.836195][ T74] do_syscall_64+0xc6/0x1e0 [ 2287.836195][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2287.836195][ T74] [ 2287.838203][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2287.838203][ T74] netdev_get_by_index+0x5e/0x80 [ 2287.838203][ T74] fib6_nh_init+0x3d8/0x1580 [ 2287.838203][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2287.838203][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2287.838203][ T74] ipv6_add_addr+0x411/0x2000 [ 2287.838203][ T74] inet6_addr_add+0x30e/0xa40 [ 2287.838203][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2287.838203][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2287.838203][ T74] netlink_rcv_skb+0x130/0x360 [ 2287.838203][ T74] netlink_unicast+0x449/0x710 [ 2287.838203][ T74] netlink_sendmsg+0x723/0xbe0 [ 2287.838203][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2287.838203][ T74] ___sys_sendmsg+0xee/0x170 [ 2287.838203][ T74] __sys_sendmsg+0xcd/0x170 [ 2287.838203][ T74] do_syscall_64+0xc6/0x1e0 [ 2287.838203][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2287.838203][ T74] [ 2287.840200][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2287.840200][ T74] netdev_get_by_index+0x5e/0x80 [ 2287.840200][ T74] fib6_nh_init+0x3d8/0x1580 [ 2287.840200][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2287.840200][ T74] ip6_route_add+0x1c/0x140 [ 2287.840200][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2287.840200][ T74] addrconf_add_dev+0xe2/0x170 [ 2287.840200][ T74] inet6_addr_add+0x12f/0xa40 [ 2287.840200][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2287.840200][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2287.840200][ T74] netlink_rcv_skb+0x130/0x360 [ 2287.840200][ T74] netlink_unicast+0x449/0x710 [ 2287.840200][ T74] netlink_sendmsg+0x723/0xbe0 [ 2287.840200][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2287.840200][ T74] ___sys_sendmsg+0xee/0x170 [ 2287.840200][ T74] __sys_sendmsg+0xcd/0x170 [ 2287.840200][ T74] do_syscall_64+0xc6/0x1e0 [ 2287.840200][ T74] [ 2287.842171][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2287.842171][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2287.842171][ T74] ipv6_find_idev+0x102/0x170 [ 2287.842171][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2287.842171][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2287.842171][ T74] netlink_rcv_skb+0x130/0x360 [ 2287.842171][ T74] netlink_unicast+0x449/0x710 [ 2287.842171][ T74] netlink_sendmsg+0x723/0xbe0 [ 2287.842171][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2287.842171][ T74] ___sys_sendmsg+0xee/0x170 [ 2287.842171][ T74] __sys_sendmsg+0xcd/0x170 [ 2287.842171][ T74] do_syscall_64+0xc6/0x1e0 [ 2287.842171][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2287.842171][ T74] [ 2287.843708][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2287.843708][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2287.843708][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2287.843708][ T74] ipv6_find_idev+0x102/0x170 [ 2287.843708][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2287.843708][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2287.843708][ T74] netlink_rcv_skb+0x130/0x360 [ 2287.843708][ T74] netlink_unicast+0x449/0x710 [ 2287.843708][ T74] netlink_sendmsg+0x723/0xbe0 [ 2287.843708][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2287.843708][ T74] ___sys_sendmsg+0xee/0x170 [ 2287.843708][ T74] __sys_sendmsg+0xcd/0x170 [ 2287.843708][ T74] do_syscall_64+0xc6/0x1e0 [ 2287.843708][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2287.843708][ T74] [ 2287.845399][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2287.845675][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2287.845675][ T74] dst_init+0x84/0x4a0 [ 2287.845675][ T74] dst_alloc+0x97/0x150 [ 2287.845675][ T74] ip6_dst_alloc+0x23/0x90 [ 2287.845675][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2287.845675][ T74] ip6_pol_route+0x56f/0x840 [ 2287.845675][ T74] fib6_rule_lookup+0x456/0x630 [ 2287.845675][ T74] ip6_route_input+0x59c/0xa50 [ 2287.845675][ T74] ipv6_rcv+0x397/0x810 [ 2287.845675][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2287.845675][ T74] process_backlog+0x101/0x620 [ 2287.845675][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2287.845675][ T74] net_rx_action+0x495/0xbe0 [ 2287.845675][ T74] __do_softirq+0x1b5/0x7f6 [ 2287.845675][ T74] [ 2287.847315][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2287.847315][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2287.847315][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2287.847315][ T74] fib6_nh_init+0xa22/0x1580 [ 2287.847315][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2287.847315][ T74] ip6_route_add+0x1c/0x140 [ 2287.847315][ T74] inet6_rtm_newroute+0x104/0x110 [ 2287.847315][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2287.847315][ T74] netlink_rcv_skb+0x130/0x360 [ 2287.847315][ T74] netlink_unicast+0x449/0x710 [ 2287.847315][ T74] netlink_sendmsg+0x723/0xbe0 [ 2287.847315][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2287.847315][ T74] ___sys_sendmsg+0xee/0x170 [ 2287.847315][ T74] __sys_sendmsg+0xcd/0x170 [ 2287.847315][ T74] do_syscall_64+0xc6/0x1e0 [ 2287.847315][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2287.847315][ T74] [ 2287.849188][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2287.849188][ T74] netdev_get_by_index+0x5e/0x80 [ 2287.849188][ T74] fib6_nh_init+0x3d8/0x1580 [ 2287.849188][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2287.849188][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2287.849188][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2287.849188][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2287.849188][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2287.849188][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2287.849188][ T74] addrconf_dad_begin+0x310/0x670 [ 2287.849188][ T74] addrconf_dad_work+0x10b/0xab0 [ 2287.849188][ T74] process_one_work+0x84d/0x18a0 [ 2287.849188][ T74] worker_thread+0x587/0xd30 [ 2287.849188][ T74] kthread+0x28a/0x350 [ 2287.849188][ T74] ret_from_fork+0x31/0x70 [ 2287.849188][ T74] ret_from_fork_asm+0x1a/0x30 [ 2287.849188][ T74] [ 2287.851088][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2287.851088][ T74] netdev_get_by_index+0x5e/0x80 [ 2287.851088][ T74] fib6_nh_init+0x3d8/0x1580 [ 2287.851088][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2287.851088][ T74] ip6_route_add+0x1c/0x140 [ 2287.851088][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2287.851088][ T74] inet6_addr_add+0x4f8/0xa40 [ 2287.851088][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2287.851088][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2287.851088][ T74] netlink_rcv_skb+0x130/0x360 [ 2287.851088][ T74] netlink_unicast+0x449/0x710 [ 2287.851088][ T74] netlink_sendmsg+0x723/0xbe0 [ 2287.851088][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2287.851088][ T74] ___sys_sendmsg+0xee/0x170 [ 2287.851088][ T74] __sys_sendmsg+0xcd/0x170 [ 2287.851088][ T74] do_syscall_64+0xc6/0x1e0 [ 2287.851088][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2287.851088][ T74] [ 2287.853079][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2287.853079][ T74] netdev_get_by_index+0x5e/0x80 [ 2287.853079][ T74] fib6_nh_init+0x3d8/0x1580 [ 2287.853079][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2287.853079][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2287.853079][ T74] ipv6_add_addr+0x411/0x2000 [ 2287.853079][ T74] inet6_addr_add+0x30e/0xa40 [ 2287.853079][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2287.853079][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2287.853079][ T74] netlink_rcv_skb+0x130/0x360 [ 2287.853079][ T74] netlink_unicast+0x449/0x710 [ 2287.853079][ T74] netlink_sendmsg+0x723/0xbe0 [ 2287.853079][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2287.853079][ T74] ___sys_sendmsg+0xee/0x170 [ 2287.853079][ T74] __sys_sendmsg+0xcd/0x170 [ 2287.853079][ T74] do_syscall_64+0xc6/0x1e0 [ 2287.853079][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2287.853079][ T74] [ 2287.855067][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2287.855067][ T74] netdev_get_by_index+0x5e/0x80 [ 2287.855067][ T74] fib6_nh_init+0x3d8/0x1580 [ 2287.855067][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2287.855067][ T74] ip6_route_add+0x1c/0x140 [ 2287.855067][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2287.855067][ T74] addrconf_add_dev+0xe2/0x170 [ 2287.855067][ T74] inet6_addr_add+0x12f/0xa40 [ 2287.855067][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2287.855067][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2287.855067][ T74] netlink_rcv_skb+0x130/0x360 [ 2287.855067][ T74] netlink_unicast+0x449/0x710 [ 2287.855067][ T74] netlink_sendmsg+0x723/0xbe0 [ 2287.855067][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2287.855067][ T74] ___sys_sendmsg+0xee/0x170 [ 2287.855067][ T74] __sys_sendmsg+0xcd/0x170 [ 2287.855067][ T74] do_syscall_64+0xc6/0x1e0 [ 2287.855067][ T74] [ 2287.857024][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2287.857024][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2287.857024][ T74] ipv6_find_idev+0x102/0x170 [ 2287.857024][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2287.857024][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2287.857024][ T74] netlink_rcv_skb+0x130/0x360 [ 2287.857024][ T74] netlink_unicast+0x449/0x710 [ 2287.857024][ T74] netlink_sendmsg+0x723/0xbe0 [ 2287.857024][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2287.857024][ T74] ___sys_sendmsg+0xee/0x170 [ 2287.857024][ T74] __sys_sendmsg+0xcd/0x170 [ 2287.857024][ T74] do_syscall_64+0xc6/0x1e0 [ 2287.857024][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2287.857024][ T74] [ 2287.858653][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2287.858653][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2287.858653][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2287.858653][ T74] ipv6_find_idev+0x102/0x170 [ 2287.858653][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2287.858653][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2287.858653][ T74] netlink_rcv_skb+0x130/0x360 [ 2287.858653][ T74] netlink_unicast+0x449/0x710 [ 2287.858653][ T74] netlink_sendmsg+0x723/0xbe0 [ 2287.858653][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2287.858653][ T74] ___sys_sendmsg+0xee/0x170 [ 2287.858653][ T74] __sys_sendmsg+0xcd/0x170 [ 2287.858653][ T74] do_syscall_64+0xc6/0x1e0 [ 2287.858653][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2287.858653][ T74] [ 2287.860471][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2287.860771][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2287.860771][ T74] netdev_get_by_index+0x5e/0x80 [ 2287.860771][ T74] fib6_nh_init+0x3d8/0x1580 [ 2287.860771][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2287.860771][ T74] ip6_route_add+0x1c/0x140 [ 2287.860771][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2287.860771][ T74] inet6_addr_add+0x4f8/0xa40 [ 2287.860771][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2287.860771][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2287.860771][ T74] netlink_rcv_skb+0x130/0x360 [ 2287.860771][ T74] netlink_unicast+0x449/0x710 [ 2287.860771][ T74] netlink_sendmsg+0x723/0xbe0 [ 2287.860771][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2287.860771][ T74] ___sys_sendmsg+0xee/0x170 [ 2287.860771][ T74] __sys_sendmsg+0xcd/0x170 [ 2287.860771][ T74] do_syscall_64+0xc6/0x1e0 [ 2287.860771][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2287.860771][ T74] [ 2287.862892][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2287.862892][ T74] netdev_get_by_index+0x5e/0x80 [ 2287.862892][ T74] fib6_nh_init+0x3d8/0x1580 [ 2287.862892][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2287.862892][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2287.862892][ T74] ipv6_add_addr+0x411/0x2000 [ 2287.862892][ T74] inet6_addr_add+0x30e/0xa40 [ 2287.862892][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2287.862892][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2287.862892][ T74] netlink_rcv_skb+0x130/0x360 [ 2287.862892][ T74] netlink_unicast+0x449/0x710 [ 2287.862892][ T74] netlink_sendmsg+0x723/0xbe0 [ 2287.862892][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2287.862892][ T74] ___sys_sendmsg+0xee/0x170 [ 2287.862892][ T74] __sys_sendmsg+0xcd/0x170 [ 2287.862892][ T74] do_syscall_64+0xc6/0x1e0 [ 2287.862892][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2287.862892][ T74] [ 2287.865117][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2287.865117][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2287.865117][ T74] ipv6_find_idev+0x102/0x170 [ 2287.865117][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2287.865117][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2287.865117][ T74] netlink_rcv_skb+0x130/0x360 [ 2287.865117][ T74] netlink_unicast+0x449/0x710 [ 2287.865117][ T74] netlink_sendmsg+0x723/0xbe0 [ 2287.865117][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2287.865117][ T74] ___sys_sendmsg+0xee/0x170 [ 2287.865117][ T74] __sys_sendmsg+0xcd/0x170 [ 2287.865117][ T74] do_syscall_64+0xc6/0x1e0 [ 2287.865117][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2287.865117][ T74] [ 2287.866767][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2287.866767][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2287.866767][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2287.866767][ T74] ipv6_find_idev+0x102/0x170 [ 2287.866767][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2287.866767][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2287.866767][ T74] netlink_rcv_skb+0x130/0x360 [ 2287.866767][ T74] netlink_unicast+0x449/0x710 [ 2287.866767][ T74] netlink_sendmsg+0x723/0xbe0 [ 2287.866767][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2287.866767][ T74] ___sys_sendmsg+0xee/0x170 [ 2287.866767][ T74] __sys_sendmsg+0xcd/0x170 [ 2287.866767][ T74] do_syscall_64+0xc6/0x1e0 [ 2287.866767][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2287.866767][ T74] [ 2297.991917][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2297.992378][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2297.992378][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2297.992378][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2297.992378][ T74] fib6_nh_init+0xa22/0x1580 [ 2297.992378][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2297.992378][ T74] ip6_route_add+0x1c/0x140 [ 2297.992378][ T74] inet6_rtm_newroute+0x104/0x110 [ 2297.992378][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2297.992378][ T74] netlink_rcv_skb+0x130/0x360 [ 2297.992378][ T74] netlink_unicast+0x449/0x710 [ 2297.992378][ T74] netlink_sendmsg+0x723/0xbe0 [ 2297.992378][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2297.992378][ T74] ___sys_sendmsg+0xee/0x170 [ 2297.992378][ T74] __sys_sendmsg+0xcd/0x170 [ 2297.992378][ T74] do_syscall_64+0xc6/0x1e0 [ 2297.992378][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2297.992378][ T74] [ 2297.994272][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2297.994272][ T74] netdev_get_by_index+0x5e/0x80 [ 2297.994272][ T74] fib6_nh_init+0x3d8/0x1580 [ 2297.994272][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2297.994272][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2297.994272][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2297.994272][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2297.994272][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2297.994272][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2297.994272][ T74] addrconf_dad_begin+0x310/0x670 [ 2297.994272][ T74] addrconf_dad_work+0x10b/0xab0 [ 2297.994272][ T74] process_one_work+0x84d/0x18a0 [ 2297.994272][ T74] worker_thread+0x587/0xd30 [ 2297.994272][ T74] kthread+0x28a/0x350 [ 2297.994272][ T74] ret_from_fork+0x31/0x70 [ 2297.994272][ T74] ret_from_fork_asm+0x1a/0x30 [ 2297.994272][ T74] [ 2297.996182][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2297.996182][ T74] netdev_get_by_index+0x5e/0x80 [ 2297.996182][ T74] fib6_nh_init+0x3d8/0x1580 [ 2297.996182][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2297.996182][ T74] ip6_route_add+0x1c/0x140 [ 2297.996182][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2297.996182][ T74] inet6_addr_add+0x4f8/0xa40 [ 2297.996182][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2297.996182][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2297.996182][ T74] netlink_rcv_skb+0x130/0x360 [ 2297.996182][ T74] netlink_unicast+0x449/0x710 [ 2297.996182][ T74] netlink_sendmsg+0x723/0xbe0 [ 2297.996182][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2297.996182][ T74] ___sys_sendmsg+0xee/0x170 [ 2297.996182][ T74] __sys_sendmsg+0xcd/0x170 [ 2297.996182][ T74] do_syscall_64+0xc6/0x1e0 [ 2297.996182][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2297.996182][ T74] [ 2297.998208][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2297.998208][ T74] netdev_get_by_index+0x5e/0x80 [ 2297.998208][ T74] fib6_nh_init+0x3d8/0x1580 [ 2297.998208][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2297.998208][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2297.998208][ T74] ipv6_add_addr+0x411/0x2000 [ 2297.998208][ T74] inet6_addr_add+0x30e/0xa40 [ 2297.998208][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2297.998208][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2297.998208][ T74] netlink_rcv_skb+0x130/0x360 [ 2297.998208][ T74] netlink_unicast+0x449/0x710 [ 2297.998208][ T74] netlink_sendmsg+0x723/0xbe0 [ 2297.998208][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2297.998208][ T74] ___sys_sendmsg+0xee/0x170 [ 2297.998208][ T74] __sys_sendmsg+0xcd/0x170 [ 2297.998208][ T74] do_syscall_64+0xc6/0x1e0 [ 2297.998208][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2297.998208][ T74] [ 2298.000220][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2298.000220][ T74] netdev_get_by_index+0x5e/0x80 [ 2298.000220][ T74] fib6_nh_init+0x3d8/0x1580 [ 2298.000220][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2298.000220][ T74] ip6_route_add+0x1c/0x140 [ 2298.000220][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2298.000220][ T74] addrconf_add_dev+0xe2/0x170 [ 2298.000220][ T74] inet6_addr_add+0x12f/0xa40 [ 2298.000220][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2298.000220][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2298.000220][ T74] netlink_rcv_skb+0x130/0x360 [ 2298.000220][ T74] netlink_unicast+0x449/0x710 [ 2298.000220][ T74] netlink_sendmsg+0x723/0xbe0 [ 2298.000220][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2298.000220][ T74] ___sys_sendmsg+0xee/0x170 [ 2298.000220][ T74] __sys_sendmsg+0xcd/0x170 [ 2298.000220][ T74] do_syscall_64+0xc6/0x1e0 [ 2298.000220][ T74] [ 2298.002191][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2298.002191][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2298.002191][ T74] ipv6_find_idev+0x102/0x170 [ 2298.002191][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2298.002191][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2298.002191][ T74] netlink_rcv_skb+0x130/0x360 [ 2298.002191][ T74] netlink_unicast+0x449/0x710 [ 2298.002191][ T74] netlink_sendmsg+0x723/0xbe0 [ 2298.002191][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2298.002191][ T74] ___sys_sendmsg+0xee/0x170 [ 2298.002191][ T74] __sys_sendmsg+0xcd/0x170 [ 2298.002191][ T74] do_syscall_64+0xc6/0x1e0 [ 2298.002191][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2298.002191][ T74] [ 2298.003737][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2298.003737][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2298.003737][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2298.003737][ T74] ipv6_find_idev+0x102/0x170 [ 2298.003737][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2298.003737][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2298.003737][ T74] netlink_rcv_skb+0x130/0x360 [ 2298.003737][ T74] netlink_unicast+0x449/0x710 [ 2298.003737][ T74] netlink_sendmsg+0x723/0xbe0 [ 2298.003737][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2298.003737][ T74] ___sys_sendmsg+0xee/0x170 [ 2298.003737][ T74] __sys_sendmsg+0xcd/0x170 [ 2298.003737][ T74] do_syscall_64+0xc6/0x1e0 [ 2298.003737][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2298.003737][ T74] [ 2298.005437][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2298.005711][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2298.005711][ T74] dst_init+0x84/0x4a0 [ 2298.005711][ T74] dst_alloc+0x97/0x150 [ 2298.005711][ T74] ip6_dst_alloc+0x23/0x90 [ 2298.005711][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2298.005711][ T74] ip6_pol_route+0x56f/0x840 [ 2298.005711][ T74] fib6_rule_lookup+0x456/0x630 [ 2298.005711][ T74] ip6_route_input+0x59c/0xa50 [ 2298.005711][ T74] ipv6_rcv+0x397/0x810 [ 2298.005711][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2298.005711][ T74] process_backlog+0x101/0x620 [ 2298.005711][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2298.005711][ T74] net_rx_action+0x495/0xbe0 [ 2298.005711][ T74] __do_softirq+0x1b5/0x7f6 [ 2298.005711][ T74] [ 2298.007369][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2298.007369][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2298.007369][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2298.007369][ T74] fib6_nh_init+0xa22/0x1580 [ 2298.007369][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2298.007369][ T74] ip6_route_add+0x1c/0x140 [ 2298.007369][ T74] inet6_rtm_newroute+0x104/0x110 [ 2298.007369][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2298.007369][ T74] netlink_rcv_skb+0x130/0x360 [ 2298.007369][ T74] netlink_unicast+0x449/0x710 [ 2298.007369][ T74] netlink_sendmsg+0x723/0xbe0 [ 2298.007369][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2298.007369][ T74] ___sys_sendmsg+0xee/0x170 [ 2298.007369][ T74] __sys_sendmsg+0xcd/0x170 [ 2298.007369][ T74] do_syscall_64+0xc6/0x1e0 [ 2298.007369][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2298.007369][ T74] [ 2298.009272][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2298.009272][ T74] netdev_get_by_index+0x5e/0x80 [ 2298.009272][ T74] fib6_nh_init+0x3d8/0x1580 [ 2298.009272][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2298.009272][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2298.009272][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2298.009272][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2298.009272][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2298.009272][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2298.009272][ T74] addrconf_dad_begin+0x310/0x670 [ 2298.009272][ T74] addrconf_dad_work+0x10b/0xab0 [ 2298.009272][ T74] process_one_work+0x84d/0x18a0 [ 2298.009272][ T74] worker_thread+0x587/0xd30 [ 2298.009272][ T74] kthread+0x28a/0x350 [ 2298.009272][ T74] ret_from_fork+0x31/0x70 [ 2298.009272][ T74] ret_from_fork_asm+0x1a/0x30 [ 2298.009272][ T74] [ 2298.011229][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2298.011229][ T74] netdev_get_by_index+0x5e/0x80 [ 2298.011229][ T74] fib6_nh_init+0x3d8/0x1580 [ 2298.011229][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2298.011229][ T74] ip6_route_add+0x1c/0x140 [ 2298.011229][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2298.011229][ T74] inet6_addr_add+0x4f8/0xa40 [ 2298.011229][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2298.011229][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2298.011229][ T74] netlink_rcv_skb+0x130/0x360 [ 2298.011229][ T74] netlink_unicast+0x449/0x710 [ 2298.011229][ T74] netlink_sendmsg+0x723/0xbe0 [ 2298.011229][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2298.011229][ T74] ___sys_sendmsg+0xee/0x170 [ 2298.011229][ T74] __sys_sendmsg+0xcd/0x170 [ 2298.011229][ T74] do_syscall_64+0xc6/0x1e0 [ 2298.011229][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2298.011229][ T74] [ 2298.013221][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2298.013221][ T74] netdev_get_by_index+0x5e/0x80 [ 2298.013221][ T74] fib6_nh_init+0x3d8/0x1580 [ 2298.013221][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2298.013221][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2298.013221][ T74] ipv6_add_addr+0x411/0x2000 [ 2298.013221][ T74] inet6_addr_add+0x30e/0xa40 [ 2298.013221][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2298.013221][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2298.013221][ T74] netlink_rcv_skb+0x130/0x360 [ 2298.013221][ T74] netlink_unicast+0x449/0x710 [ 2298.013221][ T74] netlink_sendmsg+0x723/0xbe0 [ 2298.013221][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2298.013221][ T74] ___sys_sendmsg+0xee/0x170 [ 2298.013221][ T74] __sys_sendmsg+0xcd/0x170 [ 2298.013221][ T74] do_syscall_64+0xc6/0x1e0 [ 2298.013221][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2298.013221][ T74] [ 2298.015217][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2298.015217][ T74] netdev_get_by_index+0x5e/0x80 [ 2298.015217][ T74] fib6_nh_init+0x3d8/0x1580 [ 2298.015217][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2298.015217][ T74] ip6_route_add+0x1c/0x140 [ 2298.015217][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2298.015217][ T74] addrconf_add_dev+0xe2/0x170 [ 2298.015217][ T74] inet6_addr_add+0x12f/0xa40 [ 2298.015217][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2298.015217][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2298.015217][ T74] netlink_rcv_skb+0x130/0x360 [ 2298.015217][ T74] netlink_unicast+0x449/0x710 [ 2298.015217][ T74] netlink_sendmsg+0x723/0xbe0 [ 2298.015217][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2298.015217][ T74] ___sys_sendmsg+0xee/0x170 [ 2298.015217][ T74] __sys_sendmsg+0xcd/0x170 [ 2298.015217][ T74] do_syscall_64+0xc6/0x1e0 [ 2298.015217][ T74] [ 2298.017184][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2298.017184][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2298.017184][ T74] ipv6_find_idev+0x102/0x170 [ 2298.017184][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2298.017184][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2298.017184][ T74] netlink_rcv_skb+0x130/0x360 [ 2298.017184][ T74] netlink_unicast+0x449/0x710 [ 2298.017184][ T74] netlink_sendmsg+0x723/0xbe0 [ 2298.017184][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2298.017184][ T74] ___sys_sendmsg+0xee/0x170 [ 2298.017184][ T74] __sys_sendmsg+0xcd/0x170 [ 2298.017184][ T74] do_syscall_64+0xc6/0x1e0 [ 2298.017184][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2298.017184][ T74] [ 2298.018858][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2298.018858][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2298.018858][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2298.018858][ T74] ipv6_find_idev+0x102/0x170 [ 2298.018858][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2298.018858][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2298.018858][ T74] netlink_rcv_skb+0x130/0x360 [ 2298.018858][ T74] netlink_unicast+0x449/0x710 [ 2298.018858][ T74] netlink_sendmsg+0x723/0xbe0 [ 2298.018858][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2298.018858][ T74] ___sys_sendmsg+0xee/0x170 [ 2298.018858][ T74] __sys_sendmsg+0xcd/0x170 [ 2298.018858][ T74] do_syscall_64+0xc6/0x1e0 [ 2298.018858][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2298.018858][ T74] [ 2298.020797][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2298.021133][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2298.021133][ T74] netdev_get_by_index+0x5e/0x80 [ 2298.021133][ T74] fib6_nh_init+0x3d8/0x1580 [ 2298.021133][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2298.021133][ T74] ip6_route_add+0x1c/0x140 [ 2298.021133][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2298.021133][ T74] inet6_addr_add+0x4f8/0xa40 [ 2298.021133][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2298.021133][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2298.021133][ T74] netlink_rcv_skb+0x130/0x360 [ 2298.021133][ T74] netlink_unicast+0x449/0x710 [ 2298.021133][ T74] netlink_sendmsg+0x723/0xbe0 [ 2298.021133][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2298.021133][ T74] ___sys_sendmsg+0xee/0x170 [ 2298.021133][ T74] __sys_sendmsg+0xcd/0x170 [ 2298.021133][ T74] do_syscall_64+0xc6/0x1e0 [ 2298.021133][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2298.021133][ T74] [ 2298.023325][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2298.023325][ T74] netdev_get_by_index+0x5e/0x80 [ 2298.023325][ T74] fib6_nh_init+0x3d8/0x1580 [ 2298.023325][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2298.023325][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2298.023325][ T74] ipv6_add_addr+0x411/0x2000 [ 2298.023325][ T74] inet6_addr_add+0x30e/0xa40 [ 2298.023325][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2298.023325][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2298.023325][ T74] netlink_rcv_skb+0x130/0x360 [ 2298.023325][ T74] netlink_unicast+0x449/0x710 [ 2298.023325][ T74] netlink_sendmsg+0x723/0xbe0 [ 2298.023325][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2298.023325][ T74] ___sys_sendmsg+0xee/0x170 [ 2298.023325][ T74] __sys_sendmsg+0xcd/0x170 [ 2298.023325][ T74] do_syscall_64+0xc6/0x1e0 [ 2298.023325][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2298.023325][ T74] [ 2298.025555][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2298.025555][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2298.025555][ T74] ipv6_find_idev+0x102/0x170 [ 2298.025555][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2298.025555][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2298.025555][ T74] netlink_rcv_skb+0x130/0x360 [ 2298.025555][ T74] netlink_unicast+0x449/0x710 [ 2298.025555][ T74] netlink_sendmsg+0x723/0xbe0 [ 2298.025555][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2298.025555][ T74] ___sys_sendmsg+0xee/0x170 [ 2298.025555][ T74] __sys_sendmsg+0xcd/0x170 [ 2298.025555][ T74] do_syscall_64+0xc6/0x1e0 [ 2298.025555][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2298.025555][ T74] [ 2298.027267][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2298.027267][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2298.027267][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2298.027267][ T74] ipv6_find_idev+0x102/0x170 [ 2298.027267][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2298.027267][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2298.027267][ T74] netlink_rcv_skb+0x130/0x360 [ 2298.027267][ T74] netlink_unicast+0x449/0x710 [ 2298.027267][ T74] netlink_sendmsg+0x723/0xbe0 [ 2298.027267][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2298.027267][ T74] ___sys_sendmsg+0xee/0x170 [ 2298.027267][ T74] __sys_sendmsg+0xcd/0x170 [ 2298.027267][ T74] do_syscall_64+0xc6/0x1e0 [ 2298.027267][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2298.027267][ T74] [ 2308.055965][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2308.056418][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2308.056418][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2308.056418][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2308.056418][ T74] fib6_nh_init+0xa22/0x1580 [ 2308.056418][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2308.056418][ T74] ip6_route_add+0x1c/0x140 [ 2308.056418][ T74] inet6_rtm_newroute+0x104/0x110 [ 2308.056418][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2308.056418][ T74] netlink_rcv_skb+0x130/0x360 [ 2308.056418][ T74] netlink_unicast+0x449/0x710 [ 2308.056418][ T74] netlink_sendmsg+0x723/0xbe0 [ 2308.056418][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2308.056418][ T74] ___sys_sendmsg+0xee/0x170 [ 2308.056418][ T74] __sys_sendmsg+0xcd/0x170 [ 2308.056418][ T74] do_syscall_64+0xc6/0x1e0 [ 2308.056418][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2308.056418][ T74] [ 2308.058331][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2308.058331][ T74] netdev_get_by_index+0x5e/0x80 [ 2308.058331][ T74] fib6_nh_init+0x3d8/0x1580 [ 2308.058331][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2308.058331][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2308.058331][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2308.058331][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2308.058331][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2308.058331][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2308.058331][ T74] addrconf_dad_begin+0x310/0x670 [ 2308.058331][ T74] addrconf_dad_work+0x10b/0xab0 [ 2308.058331][ T74] process_one_work+0x84d/0x18a0 [ 2308.058331][ T74] worker_thread+0x587/0xd30 [ 2308.058331][ T74] kthread+0x28a/0x350 [ 2308.058331][ T74] ret_from_fork+0x31/0x70 [ 2308.058331][ T74] ret_from_fork_asm+0x1a/0x30 [ 2308.058331][ T74] [ 2308.060239][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2308.060239][ T74] netdev_get_by_index+0x5e/0x80 [ 2308.060239][ T74] fib6_nh_init+0x3d8/0x1580 [ 2308.060239][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2308.060239][ T74] ip6_route_add+0x1c/0x140 [ 2308.060239][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2308.060239][ T74] inet6_addr_add+0x4f8/0xa40 [ 2308.060239][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2308.060239][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2308.060239][ T74] netlink_rcv_skb+0x130/0x360 [ 2308.060239][ T74] netlink_unicast+0x449/0x710 [ 2308.060239][ T74] netlink_sendmsg+0x723/0xbe0 [ 2308.060239][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2308.060239][ T74] ___sys_sendmsg+0xee/0x170 [ 2308.060239][ T74] __sys_sendmsg+0xcd/0x170 [ 2308.060239][ T74] do_syscall_64+0xc6/0x1e0 [ 2308.060239][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2308.060239][ T74] [ 2308.062235][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2308.062235][ T74] netdev_get_by_index+0x5e/0x80 [ 2308.062235][ T74] fib6_nh_init+0x3d8/0x1580 [ 2308.062235][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2308.062235][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2308.062235][ T74] ipv6_add_addr+0x411/0x2000 [ 2308.062235][ T74] inet6_addr_add+0x30e/0xa40 [ 2308.062235][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2308.062235][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2308.062235][ T74] netlink_rcv_skb+0x130/0x360 [ 2308.062235][ T74] netlink_unicast+0x449/0x710 [ 2308.062235][ T74] netlink_sendmsg+0x723/0xbe0 [ 2308.062235][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2308.062235][ T74] ___sys_sendmsg+0xee/0x170 [ 2308.062235][ T74] __sys_sendmsg+0xcd/0x170 [ 2308.062235][ T74] do_syscall_64+0xc6/0x1e0 [ 2308.062235][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2308.062235][ T74] [ 2308.064233][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2308.064233][ T74] netdev_get_by_index+0x5e/0x80 [ 2308.064233][ T74] fib6_nh_init+0x3d8/0x1580 [ 2308.064233][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2308.064233][ T74] ip6_route_add+0x1c/0x140 [ 2308.064233][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2308.064233][ T74] addrconf_add_dev+0xe2/0x170 [ 2308.064233][ T74] inet6_addr_add+0x12f/0xa40 [ 2308.064233][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2308.064233][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2308.064233][ T74] netlink_rcv_skb+0x130/0x360 [ 2308.064233][ T74] netlink_unicast+0x449/0x710 [ 2308.064233][ T74] netlink_sendmsg+0x723/0xbe0 [ 2308.064233][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2308.064233][ T74] ___sys_sendmsg+0xee/0x170 [ 2308.064233][ T74] __sys_sendmsg+0xcd/0x170 [ 2308.064233][ T74] do_syscall_64+0xc6/0x1e0 [ 2308.064233][ T74] [ 2308.066196][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2308.066196][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2308.066196][ T74] ipv6_find_idev+0x102/0x170 [ 2308.066196][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2308.066196][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2308.066196][ T74] netlink_rcv_skb+0x130/0x360 [ 2308.066196][ T74] netlink_unicast+0x449/0x710 [ 2308.066196][ T74] netlink_sendmsg+0x723/0xbe0 [ 2308.066196][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2308.066196][ T74] ___sys_sendmsg+0xee/0x170 [ 2308.066196][ T74] __sys_sendmsg+0xcd/0x170 [ 2308.066196][ T74] do_syscall_64+0xc6/0x1e0 [ 2308.066196][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2308.066196][ T74] [ 2308.067731][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2308.067731][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2308.067731][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2308.067731][ T74] ipv6_find_idev+0x102/0x170 [ 2308.067731][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2308.067731][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2308.067731][ T74] netlink_rcv_skb+0x130/0x360 [ 2308.067731][ T74] netlink_unicast+0x449/0x710 [ 2308.067731][ T74] netlink_sendmsg+0x723/0xbe0 [ 2308.067731][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2308.067731][ T74] ___sys_sendmsg+0xee/0x170 [ 2308.067731][ T74] __sys_sendmsg+0xcd/0x170 [ 2308.067731][ T74] do_syscall_64+0xc6/0x1e0 [ 2308.067731][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2308.067731][ T74] [ 2308.069413][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2308.069691][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2308.069691][ T74] dst_init+0x84/0x4a0 [ 2308.069691][ T74] dst_alloc+0x97/0x150 [ 2308.069691][ T74] ip6_dst_alloc+0x23/0x90 [ 2308.069691][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2308.069691][ T74] ip6_pol_route+0x56f/0x840 [ 2308.069691][ T74] fib6_rule_lookup+0x456/0x630 [ 2308.069691][ T74] ip6_route_input+0x59c/0xa50 [ 2308.069691][ T74] ipv6_rcv+0x397/0x810 [ 2308.069691][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2308.069691][ T74] process_backlog+0x101/0x620 [ 2308.069691][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2308.069691][ T74] net_rx_action+0x495/0xbe0 [ 2308.069691][ T74] __do_softirq+0x1b5/0x7f6 [ 2308.069691][ T74] [ 2308.071314][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2308.071314][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2308.071314][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2308.071314][ T74] fib6_nh_init+0xa22/0x1580 [ 2308.071314][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2308.071314][ T74] ip6_route_add+0x1c/0x140 [ 2308.071314][ T74] inet6_rtm_newroute+0x104/0x110 [ 2308.071314][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2308.071314][ T74] netlink_rcv_skb+0x130/0x360 [ 2308.071314][ T74] netlink_unicast+0x449/0x710 [ 2308.071314][ T74] netlink_sendmsg+0x723/0xbe0 [ 2308.071314][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2308.071314][ T74] ___sys_sendmsg+0xee/0x170 [ 2308.071314][ T74] __sys_sendmsg+0xcd/0x170 [ 2308.071314][ T74] do_syscall_64+0xc6/0x1e0 [ 2308.071314][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2308.071314][ T74] [ 2308.073185][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2308.073185][ T74] netdev_get_by_index+0x5e/0x80 [ 2308.073185][ T74] fib6_nh_init+0x3d8/0x1580 [ 2308.073185][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2308.073185][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2308.073185][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2308.073185][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2308.073185][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2308.073185][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2308.073185][ T74] addrconf_dad_begin+0x310/0x670 [ 2308.073185][ T74] addrconf_dad_work+0x10b/0xab0 [ 2308.073185][ T74] process_one_work+0x84d/0x18a0 [ 2308.073185][ T74] worker_thread+0x587/0xd30 [ 2308.073185][ T74] kthread+0x28a/0x350 [ 2308.073185][ T74] ret_from_fork+0x31/0x70 [ 2308.073185][ T74] ret_from_fork_asm+0x1a/0x30 [ 2308.073185][ T74] [ 2308.075084][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2308.075084][ T74] netdev_get_by_index+0x5e/0x80 [ 2308.075084][ T74] fib6_nh_init+0x3d8/0x1580 [ 2308.075084][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2308.075084][ T74] ip6_route_add+0x1c/0x140 [ 2308.075084][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2308.075084][ T74] inet6_addr_add+0x4f8/0xa40 [ 2308.075084][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2308.075084][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2308.075084][ T74] netlink_rcv_skb+0x130/0x360 [ 2308.075084][ T74] netlink_unicast+0x449/0x710 [ 2308.075084][ T74] netlink_sendmsg+0x723/0xbe0 [ 2308.075084][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2308.075084][ T74] ___sys_sendmsg+0xee/0x170 [ 2308.075084][ T74] __sys_sendmsg+0xcd/0x170 [ 2308.075084][ T74] do_syscall_64+0xc6/0x1e0 [ 2308.075084][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2308.075084][ T74] [ 2308.077068][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2308.077068][ T74] netdev_get_by_index+0x5e/0x80 [ 2308.077068][ T74] fib6_nh_init+0x3d8/0x1580 [ 2308.077068][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2308.077068][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2308.077068][ T74] ipv6_add_addr+0x411/0x2000 [ 2308.077068][ T74] inet6_addr_add+0x30e/0xa40 [ 2308.077068][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2308.077068][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2308.077068][ T74] netlink_rcv_skb+0x130/0x360 [ 2308.077068][ T74] netlink_unicast+0x449/0x710 [ 2308.077068][ T74] netlink_sendmsg+0x723/0xbe0 [ 2308.077068][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2308.077068][ T74] ___sys_sendmsg+0xee/0x170 [ 2308.077068][ T74] __sys_sendmsg+0xcd/0x170 [ 2308.077068][ T74] do_syscall_64+0xc6/0x1e0 [ 2308.077068][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2308.077068][ T74] [ 2308.079058][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2308.079058][ T74] netdev_get_by_index+0x5e/0x80 [ 2308.079058][ T74] fib6_nh_init+0x3d8/0x1580 [ 2308.079058][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2308.079058][ T74] ip6_route_add+0x1c/0x140 [ 2308.079058][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2308.079058][ T74] addrconf_add_dev+0xe2/0x170 [ 2308.079058][ T74] inet6_addr_add+0x12f/0xa40 [ 2308.079058][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2308.079058][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2308.079058][ T74] netlink_rcv_skb+0x130/0x360 [ 2308.079058][ T74] netlink_unicast+0x449/0x710 [ 2308.079058][ T74] netlink_sendmsg+0x723/0xbe0 [ 2308.079058][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2308.079058][ T74] ___sys_sendmsg+0xee/0x170 [ 2308.079058][ T74] __sys_sendmsg+0xcd/0x170 [ 2308.079058][ T74] do_syscall_64+0xc6/0x1e0 [ 2308.079058][ T74] [ 2308.081015][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2308.081015][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2308.081015][ T74] ipv6_find_idev+0x102/0x170 [ 2308.081015][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2308.081015][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2308.081015][ T74] netlink_rcv_skb+0x130/0x360 [ 2308.081015][ T74] netlink_unicast+0x449/0x710 [ 2308.081015][ T74] netlink_sendmsg+0x723/0xbe0 [ 2308.081015][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2308.081015][ T74] ___sys_sendmsg+0xee/0x170 [ 2308.081015][ T74] __sys_sendmsg+0xcd/0x170 [ 2308.081015][ T74] do_syscall_64+0xc6/0x1e0 [ 2308.081015][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2308.081015][ T74] [ 2308.082672][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2308.082672][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2308.082672][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2308.082672][ T74] ipv6_find_idev+0x102/0x170 [ 2308.082672][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2308.082672][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2308.082672][ T74] netlink_rcv_skb+0x130/0x360 [ 2308.082672][ T74] netlink_unicast+0x449/0x710 [ 2308.082672][ T74] netlink_sendmsg+0x723/0xbe0 [ 2308.082672][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2308.082672][ T74] ___sys_sendmsg+0xee/0x170 [ 2308.082672][ T74] __sys_sendmsg+0xcd/0x170 [ 2308.082672][ T74] do_syscall_64+0xc6/0x1e0 [ 2308.082672][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2308.082672][ T74] [ 2308.084593][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2308.084828][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2308.084828][ T74] netdev_get_by_index+0x5e/0x80 [ 2308.084828][ T74] fib6_nh_init+0x3d8/0x1580 [ 2308.084828][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2308.084828][ T74] ip6_route_add+0x1c/0x140 [ 2308.084828][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2308.084828][ T74] inet6_addr_add+0x4f8/0xa40 [ 2308.084828][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2308.084828][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2308.084828][ T74] netlink_rcv_skb+0x130/0x360 [ 2308.084828][ T74] netlink_unicast+0x449/0x710 [ 2308.084828][ T74] netlink_sendmsg+0x723/0xbe0 [ 2308.084828][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2308.084828][ T74] ___sys_sendmsg+0xee/0x170 [ 2308.084828][ T74] __sys_sendmsg+0xcd/0x170 [ 2308.084828][ T74] do_syscall_64+0xc6/0x1e0 [ 2308.084828][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2308.084828][ T74] [ 2308.087068][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2308.087068][ T74] netdev_get_by_index+0x5e/0x80 [ 2308.087068][ T74] fib6_nh_init+0x3d8/0x1580 [ 2308.087068][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2308.087068][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2308.087068][ T74] ipv6_add_addr+0x411/0x2000 [ 2308.087068][ T74] inet6_addr_add+0x30e/0xa40 [ 2308.087068][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2308.087068][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2308.087068][ T74] netlink_rcv_skb+0x130/0x360 [ 2308.087068][ T74] netlink_unicast+0x449/0x710 [ 2308.087068][ T74] netlink_sendmsg+0x723/0xbe0 [ 2308.087068][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2308.087068][ T74] ___sys_sendmsg+0xee/0x170 [ 2308.087068][ T74] __sys_sendmsg+0xcd/0x170 [ 2308.087068][ T74] do_syscall_64+0xc6/0x1e0 [ 2308.087068][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2308.087068][ T74] [ 2308.089306][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2308.089306][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2308.089306][ T74] ipv6_find_idev+0x102/0x170 [ 2308.089306][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2308.089306][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2308.089306][ T74] netlink_rcv_skb+0x130/0x360 [ 2308.089306][ T74] netlink_unicast+0x449/0x710 [ 2308.089306][ T74] netlink_sendmsg+0x723/0xbe0 [ 2308.089306][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2308.089306][ T74] ___sys_sendmsg+0xee/0x170 [ 2308.089306][ T74] __sys_sendmsg+0xcd/0x170 [ 2308.089306][ T74] do_syscall_64+0xc6/0x1e0 [ 2308.089306][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2308.089306][ T74] [ 2308.091021][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2308.091021][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2308.091021][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2308.091021][ T74] ipv6_find_idev+0x102/0x170 [ 2308.091021][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2308.091021][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2308.091021][ T74] netlink_rcv_skb+0x130/0x360 [ 2308.091021][ T74] netlink_unicast+0x449/0x710 [ 2308.091021][ T74] netlink_sendmsg+0x723/0xbe0 [ 2308.091021][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2308.091021][ T74] ___sys_sendmsg+0xee/0x170 [ 2308.091021][ T74] __sys_sendmsg+0xcd/0x170 [ 2308.091021][ T74] do_syscall_64+0xc6/0x1e0 [ 2308.091021][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2308.091021][ T74] [ 2318.192002][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2318.192377][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2318.192377][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2318.192377][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2318.192377][ T74] fib6_nh_init+0xa22/0x1580 [ 2318.192377][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2318.192377][ T74] ip6_route_add+0x1c/0x140 [ 2318.192377][ T74] inet6_rtm_newroute+0x104/0x110 [ 2318.192377][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2318.192377][ T74] netlink_rcv_skb+0x130/0x360 [ 2318.192377][ T74] netlink_unicast+0x449/0x710 [ 2318.192377][ T74] netlink_sendmsg+0x723/0xbe0 [ 2318.192377][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2318.192377][ T74] ___sys_sendmsg+0xee/0x170 [ 2318.192377][ T74] __sys_sendmsg+0xcd/0x170 [ 2318.192377][ T74] do_syscall_64+0xc6/0x1e0 [ 2318.192377][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2318.192377][ T74] [ 2318.194257][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2318.194257][ T74] netdev_get_by_index+0x5e/0x80 [ 2318.194257][ T74] fib6_nh_init+0x3d8/0x1580 [ 2318.194257][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2318.194257][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2318.194257][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2318.194257][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2318.194257][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2318.194257][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2318.194257][ T74] addrconf_dad_begin+0x310/0x670 [ 2318.194257][ T74] addrconf_dad_work+0x10b/0xab0 [ 2318.194257][ T74] process_one_work+0x84d/0x18a0 [ 2318.194257][ T74] worker_thread+0x587/0xd30 [ 2318.194257][ T74] kthread+0x28a/0x350 [ 2318.194257][ T74] ret_from_fork+0x31/0x70 [ 2318.194257][ T74] ret_from_fork_asm+0x1a/0x30 [ 2318.194257][ T74] [ 2318.196164][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2318.196164][ T74] netdev_get_by_index+0x5e/0x80 [ 2318.196164][ T74] fib6_nh_init+0x3d8/0x1580 [ 2318.196164][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2318.196164][ T74] ip6_route_add+0x1c/0x140 [ 2318.196164][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2318.196164][ T74] inet6_addr_add+0x4f8/0xa40 [ 2318.196164][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2318.196164][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2318.196164][ T74] netlink_rcv_skb+0x130/0x360 [ 2318.196164][ T74] netlink_unicast+0x449/0x710 [ 2318.196164][ T74] netlink_sendmsg+0x723/0xbe0 [ 2318.196164][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2318.196164][ T74] ___sys_sendmsg+0xee/0x170 [ 2318.196164][ T74] __sys_sendmsg+0xcd/0x170 [ 2318.196164][ T74] do_syscall_64+0xc6/0x1e0 [ 2318.196164][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2318.196164][ T74] [ 2318.198158][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2318.198158][ T74] netdev_get_by_index+0x5e/0x80 [ 2318.198158][ T74] fib6_nh_init+0x3d8/0x1580 [ 2318.198158][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2318.198158][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2318.198158][ T74] ipv6_add_addr+0x411/0x2000 [ 2318.198158][ T74] inet6_addr_add+0x30e/0xa40 [ 2318.198158][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2318.198158][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2318.198158][ T74] netlink_rcv_skb+0x130/0x360 [ 2318.198158][ T74] netlink_unicast+0x449/0x710 [ 2318.198158][ T74] netlink_sendmsg+0x723/0xbe0 [ 2318.198158][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2318.198158][ T74] ___sys_sendmsg+0xee/0x170 [ 2318.198158][ T74] __sys_sendmsg+0xcd/0x170 [ 2318.198158][ T74] do_syscall_64+0xc6/0x1e0 [ 2318.198158][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2318.198158][ T74] [ 2318.200152][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2318.200152][ T74] netdev_get_by_index+0x5e/0x80 [ 2318.200152][ T74] fib6_nh_init+0x3d8/0x1580 [ 2318.200152][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2318.200152][ T74] ip6_route_add+0x1c/0x140 [ 2318.200152][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2318.200152][ T74] addrconf_add_dev+0xe2/0x170 [ 2318.200152][ T74] inet6_addr_add+0x12f/0xa40 [ 2318.200152][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2318.200152][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2318.200152][ T74] netlink_rcv_skb+0x130/0x360 [ 2318.200152][ T74] netlink_unicast+0x449/0x710 [ 2318.200152][ T74] netlink_sendmsg+0x723/0xbe0 [ 2318.200152][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2318.200152][ T74] ___sys_sendmsg+0xee/0x170 [ 2318.200152][ T74] __sys_sendmsg+0xcd/0x170 [ 2318.200152][ T74] do_syscall_64+0xc6/0x1e0 [ 2318.200152][ T74] [ 2318.202121][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2318.202121][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2318.202121][ T74] ipv6_find_idev+0x102/0x170 [ 2318.202121][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2318.202121][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2318.202121][ T74] netlink_rcv_skb+0x130/0x360 [ 2318.202121][ T74] netlink_unicast+0x449/0x710 [ 2318.202121][ T74] netlink_sendmsg+0x723/0xbe0 [ 2318.202121][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2318.202121][ T74] ___sys_sendmsg+0xee/0x170 [ 2318.202121][ T74] __sys_sendmsg+0xcd/0x170 [ 2318.202121][ T74] do_syscall_64+0xc6/0x1e0 [ 2318.202121][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2318.202121][ T74] [ 2318.203664][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2318.203664][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2318.203664][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2318.203664][ T74] ipv6_find_idev+0x102/0x170 [ 2318.203664][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2318.203664][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2318.203664][ T74] netlink_rcv_skb+0x130/0x360 [ 2318.203664][ T74] netlink_unicast+0x449/0x710 [ 2318.203664][ T74] netlink_sendmsg+0x723/0xbe0 [ 2318.203664][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2318.203664][ T74] ___sys_sendmsg+0xee/0x170 [ 2318.203664][ T74] __sys_sendmsg+0xcd/0x170 [ 2318.203664][ T74] do_syscall_64+0xc6/0x1e0 [ 2318.203664][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2318.203664][ T74] [ 2318.205354][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2318.205630][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2318.205630][ T74] dst_init+0x84/0x4a0 [ 2318.205630][ T74] dst_alloc+0x97/0x150 [ 2318.205630][ T74] ip6_dst_alloc+0x23/0x90 [ 2318.205630][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2318.205630][ T74] ip6_pol_route+0x56f/0x840 [ 2318.205630][ T74] fib6_rule_lookup+0x456/0x630 [ 2318.205630][ T74] ip6_route_input+0x59c/0xa50 [ 2318.205630][ T74] ipv6_rcv+0x397/0x810 [ 2318.205630][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2318.205630][ T74] process_backlog+0x101/0x620 [ 2318.205630][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2318.205630][ T74] net_rx_action+0x495/0xbe0 [ 2318.205630][ T74] __do_softirq+0x1b5/0x7f6 [ 2318.205630][ T74] [ 2318.207255][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2318.207255][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2318.207255][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2318.207255][ T74] fib6_nh_init+0xa22/0x1580 [ 2318.207255][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2318.207255][ T74] ip6_route_add+0x1c/0x140 [ 2318.207255][ T74] inet6_rtm_newroute+0x104/0x110 [ 2318.207255][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2318.207255][ T74] netlink_rcv_skb+0x130/0x360 [ 2318.207255][ T74] netlink_unicast+0x449/0x710 [ 2318.207255][ T74] netlink_sendmsg+0x723/0xbe0 [ 2318.207255][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2318.207255][ T74] ___sys_sendmsg+0xee/0x170 [ 2318.207255][ T74] __sys_sendmsg+0xcd/0x170 [ 2318.207255][ T74] do_syscall_64+0xc6/0x1e0 [ 2318.207255][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2318.207255][ T74] [ 2318.209138][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2318.209138][ T74] netdev_get_by_index+0x5e/0x80 [ 2318.209138][ T74] fib6_nh_init+0x3d8/0x1580 [ 2318.209138][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2318.209138][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2318.209138][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2318.209138][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2318.209138][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2318.209138][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2318.209138][ T74] addrconf_dad_begin+0x310/0x670 [ 2318.209138][ T74] addrconf_dad_work+0x10b/0xab0 [ 2318.209138][ T74] process_one_work+0x84d/0x18a0 [ 2318.209138][ T74] worker_thread+0x587/0xd30 [ 2318.209138][ T74] kthread+0x28a/0x350 [ 2318.209138][ T74] ret_from_fork+0x31/0x70 [ 2318.209138][ T74] ret_from_fork_asm+0x1a/0x30 [ 2318.209138][ T74] [ 2318.211033][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2318.211033][ T74] netdev_get_by_index+0x5e/0x80 [ 2318.211033][ T74] fib6_nh_init+0x3d8/0x1580 [ 2318.211033][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2318.211033][ T74] ip6_route_add+0x1c/0x140 [ 2318.211033][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2318.211033][ T74] inet6_addr_add+0x4f8/0xa40 [ 2318.211033][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2318.211033][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2318.211033][ T74] netlink_rcv_skb+0x130/0x360 [ 2318.211033][ T74] netlink_unicast+0x449/0x710 [ 2318.211033][ T74] netlink_sendmsg+0x723/0xbe0 [ 2318.211033][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2318.211033][ T74] ___sys_sendmsg+0xee/0x170 [ 2318.211033][ T74] __sys_sendmsg+0xcd/0x170 [ 2318.211033][ T74] do_syscall_64+0xc6/0x1e0 [ 2318.211033][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2318.211033][ T74] [ 2318.213016][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2318.213016][ T74] netdev_get_by_index+0x5e/0x80 [ 2318.213016][ T74] fib6_nh_init+0x3d8/0x1580 [ 2318.213016][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2318.213016][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2318.213016][ T74] ipv6_add_addr+0x411/0x2000 [ 2318.213016][ T74] inet6_addr_add+0x30e/0xa40 [ 2318.213016][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2318.213016][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2318.213016][ T74] netlink_rcv_skb+0x130/0x360 [ 2318.213016][ T74] netlink_unicast+0x449/0x710 [ 2318.213016][ T74] netlink_sendmsg+0x723/0xbe0 [ 2318.213016][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2318.213016][ T74] ___sys_sendmsg+0xee/0x170 [ 2318.213016][ T74] __sys_sendmsg+0xcd/0x170 [ 2318.213016][ T74] do_syscall_64+0xc6/0x1e0 [ 2318.213016][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2318.213016][ T74] [ 2318.214998][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2318.214998][ T74] netdev_get_by_index+0x5e/0x80 [ 2318.214998][ T74] fib6_nh_init+0x3d8/0x1580 [ 2318.214998][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2318.214998][ T74] ip6_route_add+0x1c/0x140 [ 2318.214998][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2318.214998][ T74] addrconf_add_dev+0xe2/0x170 [ 2318.214998][ T74] inet6_addr_add+0x12f/0xa40 [ 2318.214998][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2318.214998][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2318.214998][ T74] netlink_rcv_skb+0x130/0x360 [ 2318.214998][ T74] netlink_unicast+0x449/0x710 [ 2318.214998][ T74] netlink_sendmsg+0x723/0xbe0 [ 2318.214998][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2318.214998][ T74] ___sys_sendmsg+0xee/0x170 [ 2318.214998][ T74] __sys_sendmsg+0xcd/0x170 [ 2318.214998][ T74] do_syscall_64+0xc6/0x1e0 [ 2318.214998][ T74] [ 2318.216946][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2318.216946][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2318.216946][ T74] ipv6_find_idev+0x102/0x170 [ 2318.216946][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2318.216946][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2318.216946][ T74] netlink_rcv_skb+0x130/0x360 [ 2318.216946][ T74] netlink_unicast+0x449/0x710 [ 2318.216946][ T74] netlink_sendmsg+0x723/0xbe0 [ 2318.216946][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2318.216946][ T74] ___sys_sendmsg+0xee/0x170 [ 2318.216946][ T74] __sys_sendmsg+0xcd/0x170 [ 2318.216946][ T74] do_syscall_64+0xc6/0x1e0 [ 2318.216946][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2318.216946][ T74] [ 2318.218614][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2318.218614][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2318.218614][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2318.218614][ T74] ipv6_find_idev+0x102/0x170 [ 2318.218614][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2318.218614][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2318.218614][ T74] netlink_rcv_skb+0x130/0x360 [ 2318.218614][ T74] netlink_unicast+0x449/0x710 [ 2318.218614][ T74] netlink_sendmsg+0x723/0xbe0 [ 2318.218614][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2318.218614][ T74] ___sys_sendmsg+0xee/0x170 [ 2318.218614][ T74] __sys_sendmsg+0xcd/0x170 [ 2318.218614][ T74] do_syscall_64+0xc6/0x1e0 [ 2318.218614][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2318.218614][ T74] [ 2318.220513][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2318.220748][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2318.220748][ T74] netdev_get_by_index+0x5e/0x80 [ 2318.220748][ T74] fib6_nh_init+0x3d8/0x1580 [ 2318.220748][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2318.220748][ T74] ip6_route_add+0x1c/0x140 [ 2318.220748][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2318.220748][ T74] inet6_addr_add+0x4f8/0xa40 [ 2318.220748][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2318.220748][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2318.220748][ T74] netlink_rcv_skb+0x130/0x360 [ 2318.220748][ T74] netlink_unicast+0x449/0x710 [ 2318.220748][ T74] netlink_sendmsg+0x723/0xbe0 [ 2318.220748][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2318.220748][ T74] ___sys_sendmsg+0xee/0x170 [ 2318.220748][ T74] __sys_sendmsg+0xcd/0x170 [ 2318.220748][ T74] do_syscall_64+0xc6/0x1e0 [ 2318.220748][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2318.220748][ T74] [ 2318.223011][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2318.223011][ T74] netdev_get_by_index+0x5e/0x80 [ 2318.223011][ T74] fib6_nh_init+0x3d8/0x1580 [ 2318.223011][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2318.223011][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2318.223011][ T74] ipv6_add_addr+0x411/0x2000 [ 2318.223011][ T74] inet6_addr_add+0x30e/0xa40 [ 2318.223011][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2318.223011][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2318.223011][ T74] netlink_rcv_skb+0x130/0x360 [ 2318.223011][ T74] netlink_unicast+0x449/0x710 [ 2318.223011][ T74] netlink_sendmsg+0x723/0xbe0 [ 2318.223011][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2318.223011][ T74] ___sys_sendmsg+0xee/0x170 [ 2318.223011][ T74] __sys_sendmsg+0xcd/0x170 [ 2318.223011][ T74] do_syscall_64+0xc6/0x1e0 [ 2318.223011][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2318.223011][ T74] [ 2318.225290][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2318.225290][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2318.225290][ T74] ipv6_find_idev+0x102/0x170 [ 2318.225290][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2318.225290][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2318.225290][ T74] netlink_rcv_skb+0x130/0x360 [ 2318.225290][ T74] netlink_unicast+0x449/0x710 [ 2318.225290][ T74] netlink_sendmsg+0x723/0xbe0 [ 2318.225290][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2318.225290][ T74] ___sys_sendmsg+0xee/0x170 [ 2318.225290][ T74] __sys_sendmsg+0xcd/0x170 [ 2318.225290][ T74] do_syscall_64+0xc6/0x1e0 [ 2318.225290][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2318.225290][ T74] [ 2318.226880][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2318.226880][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2318.226880][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2318.226880][ T74] ipv6_find_idev+0x102/0x170 [ 2318.226880][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2318.226880][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2318.226880][ T74] netlink_rcv_skb+0x130/0x360 [ 2318.226880][ T74] netlink_unicast+0x449/0x710 [ 2318.226880][ T74] netlink_sendmsg+0x723/0xbe0 [ 2318.226880][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2318.226880][ T74] ___sys_sendmsg+0xee/0x170 [ 2318.226880][ T74] __sys_sendmsg+0xcd/0x170 [ 2318.226880][ T74] do_syscall_64+0xc6/0x1e0 [ 2318.226880][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2318.226880][ T74] [ 2328.463956][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2328.464399][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2328.464399][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2328.464399][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2328.464399][ T74] fib6_nh_init+0xa22/0x1580 [ 2328.464399][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2328.464399][ T74] ip6_route_add+0x1c/0x140 [ 2328.464399][ T74] inet6_rtm_newroute+0x104/0x110 [ 2328.464399][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2328.464399][ T74] netlink_rcv_skb+0x130/0x360 [ 2328.464399][ T74] netlink_unicast+0x449/0x710 [ 2328.464399][ T74] netlink_sendmsg+0x723/0xbe0 [ 2328.464399][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2328.464399][ T74] ___sys_sendmsg+0xee/0x170 [ 2328.464399][ T74] __sys_sendmsg+0xcd/0x170 [ 2328.464399][ T74] do_syscall_64+0xc6/0x1e0 [ 2328.464399][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2328.464399][ T74] [ 2328.466311][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2328.466311][ T74] netdev_get_by_index+0x5e/0x80 [ 2328.466311][ T74] fib6_nh_init+0x3d8/0x1580 [ 2328.466311][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2328.466311][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2328.466311][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2328.466311][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2328.466311][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2328.466311][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2328.466311][ T74] addrconf_dad_begin+0x310/0x670 [ 2328.466311][ T74] addrconf_dad_work+0x10b/0xab0 [ 2328.466311][ T74] process_one_work+0x84d/0x18a0 [ 2328.466311][ T74] worker_thread+0x587/0xd30 [ 2328.466311][ T74] kthread+0x28a/0x350 [ 2328.466311][ T74] ret_from_fork+0x31/0x70 [ 2328.466311][ T74] ret_from_fork_asm+0x1a/0x30 [ 2328.466311][ T74] [ 2328.468247][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2328.468247][ T74] netdev_get_by_index+0x5e/0x80 [ 2328.468247][ T74] fib6_nh_init+0x3d8/0x1580 [ 2328.468247][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2328.468247][ T74] ip6_route_add+0x1c/0x140 [ 2328.468247][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2328.468247][ T74] inet6_addr_add+0x4f8/0xa40 [ 2328.468247][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2328.468247][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2328.468247][ T74] netlink_rcv_skb+0x130/0x360 [ 2328.468247][ T74] netlink_unicast+0x449/0x710 [ 2328.468247][ T74] netlink_sendmsg+0x723/0xbe0 [ 2328.468247][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2328.468247][ T74] ___sys_sendmsg+0xee/0x170 [ 2328.468247][ T74] __sys_sendmsg+0xcd/0x170 [ 2328.468247][ T74] do_syscall_64+0xc6/0x1e0 [ 2328.468247][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2328.468247][ T74] [ 2328.470241][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2328.470241][ T74] netdev_get_by_index+0x5e/0x80 [ 2328.470241][ T74] fib6_nh_init+0x3d8/0x1580 [ 2328.470241][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2328.470241][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2328.470241][ T74] ipv6_add_addr+0x411/0x2000 [ 2328.470241][ T74] inet6_addr_add+0x30e/0xa40 [ 2328.470241][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2328.470241][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2328.470241][ T74] netlink_rcv_skb+0x130/0x360 [ 2328.470241][ T74] netlink_unicast+0x449/0x710 [ 2328.470241][ T74] netlink_sendmsg+0x723/0xbe0 [ 2328.470241][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2328.470241][ T74] ___sys_sendmsg+0xee/0x170 [ 2328.470241][ T74] __sys_sendmsg+0xcd/0x170 [ 2328.470241][ T74] do_syscall_64+0xc6/0x1e0 [ 2328.470241][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2328.470241][ T74] [ 2328.472236][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2328.472236][ T74] netdev_get_by_index+0x5e/0x80 [ 2328.472236][ T74] fib6_nh_init+0x3d8/0x1580 [ 2328.472236][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2328.472236][ T74] ip6_route_add+0x1c/0x140 [ 2328.472236][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2328.472236][ T74] addrconf_add_dev+0xe2/0x170 [ 2328.472236][ T74] inet6_addr_add+0x12f/0xa40 [ 2328.472236][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2328.472236][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2328.472236][ T74] netlink_rcv_skb+0x130/0x360 [ 2328.472236][ T74] netlink_unicast+0x449/0x710 [ 2328.472236][ T74] netlink_sendmsg+0x723/0xbe0 [ 2328.472236][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2328.472236][ T74] ___sys_sendmsg+0xee/0x170 [ 2328.472236][ T74] __sys_sendmsg+0xcd/0x170 [ 2328.472236][ T74] do_syscall_64+0xc6/0x1e0 [ 2328.472236][ T74] [ 2328.474195][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2328.474195][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2328.474195][ T74] ipv6_find_idev+0x102/0x170 [ 2328.474195][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2328.474195][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2328.474195][ T74] netlink_rcv_skb+0x130/0x360 [ 2328.474195][ T74] netlink_unicast+0x449/0x710 [ 2328.474195][ T74] netlink_sendmsg+0x723/0xbe0 [ 2328.474195][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2328.474195][ T74] ___sys_sendmsg+0xee/0x170 [ 2328.474195][ T74] __sys_sendmsg+0xcd/0x170 [ 2328.474195][ T74] do_syscall_64+0xc6/0x1e0 [ 2328.474195][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2328.474195][ T74] [ 2328.475727][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2328.475727][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2328.475727][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2328.475727][ T74] ipv6_find_idev+0x102/0x170 [ 2328.475727][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2328.475727][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2328.475727][ T74] netlink_rcv_skb+0x130/0x360 [ 2328.475727][ T74] netlink_unicast+0x449/0x710 [ 2328.475727][ T74] netlink_sendmsg+0x723/0xbe0 [ 2328.475727][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2328.475727][ T74] ___sys_sendmsg+0xee/0x170 [ 2328.475727][ T74] __sys_sendmsg+0xcd/0x170 [ 2328.475727][ T74] do_syscall_64+0xc6/0x1e0 [ 2328.475727][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2328.475727][ T74] [ 2328.477408][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2328.477681][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2328.477681][ T74] dst_init+0x84/0x4a0 [ 2328.477681][ T74] dst_alloc+0x97/0x150 [ 2328.477681][ T74] ip6_dst_alloc+0x23/0x90 [ 2328.477681][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2328.477681][ T74] ip6_pol_route+0x56f/0x840 [ 2328.477681][ T74] fib6_rule_lookup+0x456/0x630 [ 2328.477681][ T74] ip6_route_input+0x59c/0xa50 [ 2328.477681][ T74] ipv6_rcv+0x397/0x810 [ 2328.477681][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2328.477681][ T74] process_backlog+0x101/0x620 [ 2328.477681][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2328.477681][ T74] net_rx_action+0x495/0xbe0 [ 2328.477681][ T74] __do_softirq+0x1b5/0x7f6 [ 2328.477681][ T74] [ 2328.479311][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2328.479311][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2328.479311][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2328.479311][ T74] fib6_nh_init+0xa22/0x1580 [ 2328.479311][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2328.479311][ T74] ip6_route_add+0x1c/0x140 [ 2328.479311][ T74] inet6_rtm_newroute+0x104/0x110 [ 2328.479311][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2328.479311][ T74] netlink_rcv_skb+0x130/0x360 [ 2328.479311][ T74] netlink_unicast+0x449/0x710 [ 2328.479311][ T74] netlink_sendmsg+0x723/0xbe0 [ 2328.479311][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2328.479311][ T74] ___sys_sendmsg+0xee/0x170 [ 2328.479311][ T74] __sys_sendmsg+0xcd/0x170 [ 2328.479311][ T74] do_syscall_64+0xc6/0x1e0 [ 2328.479311][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2328.479311][ T74] [ 2328.481187][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2328.481187][ T74] netdev_get_by_index+0x5e/0x80 [ 2328.481187][ T74] fib6_nh_init+0x3d8/0x1580 [ 2328.481187][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2328.481187][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2328.481187][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2328.481187][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2328.481187][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2328.481187][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2328.481187][ T74] addrconf_dad_begin+0x310/0x670 [ 2328.481187][ T74] addrconf_dad_work+0x10b/0xab0 [ 2328.481187][ T74] process_one_work+0x84d/0x18a0 [ 2328.481187][ T74] worker_thread+0x587/0xd30 [ 2328.481187][ T74] kthread+0x28a/0x350 [ 2328.481187][ T74] ret_from_fork+0x31/0x70 [ 2328.481187][ T74] ret_from_fork_asm+0x1a/0x30 [ 2328.481187][ T74] [ 2328.483087][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2328.483087][ T74] netdev_get_by_index+0x5e/0x80 [ 2328.483087][ T74] fib6_nh_init+0x3d8/0x1580 [ 2328.483087][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2328.483087][ T74] ip6_route_add+0x1c/0x140 [ 2328.483087][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2328.483087][ T74] inet6_addr_add+0x4f8/0xa40 [ 2328.483087][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2328.483087][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2328.483087][ T74] netlink_rcv_skb+0x130/0x360 [ 2328.483087][ T74] netlink_unicast+0x449/0x710 [ 2328.483087][ T74] netlink_sendmsg+0x723/0xbe0 [ 2328.483087][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2328.483087][ T74] ___sys_sendmsg+0xee/0x170 [ 2328.483087][ T74] __sys_sendmsg+0xcd/0x170 [ 2328.483087][ T74] do_syscall_64+0xc6/0x1e0 [ 2328.483087][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2328.483087][ T74] [ 2328.485081][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2328.485081][ T74] netdev_get_by_index+0x5e/0x80 [ 2328.485081][ T74] fib6_nh_init+0x3d8/0x1580 [ 2328.485081][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2328.485081][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2328.485081][ T74] ipv6_add_addr+0x411/0x2000 [ 2328.485081][ T74] inet6_addr_add+0x30e/0xa40 [ 2328.485081][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2328.485081][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2328.485081][ T74] netlink_rcv_skb+0x130/0x360 [ 2328.485081][ T74] netlink_unicast+0x449/0x710 [ 2328.485081][ T74] netlink_sendmsg+0x723/0xbe0 [ 2328.485081][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2328.485081][ T74] ___sys_sendmsg+0xee/0x170 [ 2328.485081][ T74] __sys_sendmsg+0xcd/0x170 [ 2328.485081][ T74] do_syscall_64+0xc6/0x1e0 [ 2328.485081][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2328.485081][ T74] [ 2328.487073][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2328.487073][ T74] netdev_get_by_index+0x5e/0x80 [ 2328.487073][ T74] fib6_nh_init+0x3d8/0x1580 [ 2328.487073][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2328.487073][ T74] ip6_route_add+0x1c/0x140 [ 2328.487073][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2328.487073][ T74] addrconf_add_dev+0xe2/0x170 [ 2328.487073][ T74] inet6_addr_add+0x12f/0xa40 [ 2328.487073][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2328.487073][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2328.487073][ T74] netlink_rcv_skb+0x130/0x360 [ 2328.487073][ T74] netlink_unicast+0x449/0x710 [ 2328.487073][ T74] netlink_sendmsg+0x723/0xbe0 [ 2328.487073][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2328.487073][ T74] ___sys_sendmsg+0xee/0x170 [ 2328.487073][ T74] __sys_sendmsg+0xcd/0x170 [ 2328.487073][ T74] do_syscall_64+0xc6/0x1e0 [ 2328.487073][ T74] [ 2328.489030][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2328.489030][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2328.489030][ T74] ipv6_find_idev+0x102/0x170 [ 2328.489030][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2328.489030][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2328.489030][ T74] netlink_rcv_skb+0x130/0x360 [ 2328.489030][ T74] netlink_unicast+0x449/0x710 [ 2328.489030][ T74] netlink_sendmsg+0x723/0xbe0 [ 2328.489030][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2328.489030][ T74] ___sys_sendmsg+0xee/0x170 [ 2328.489030][ T74] __sys_sendmsg+0xcd/0x170 [ 2328.489030][ T74] do_syscall_64+0xc6/0x1e0 [ 2328.489030][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2328.489030][ T74] [ 2328.490753][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2328.490753][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2328.490753][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2328.490753][ T74] ipv6_find_idev+0x102/0x170 [ 2328.490753][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2328.490753][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2328.490753][ T74] netlink_rcv_skb+0x130/0x360 [ 2328.490753][ T74] netlink_unicast+0x449/0x710 [ 2328.490753][ T74] netlink_sendmsg+0x723/0xbe0 [ 2328.490753][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2328.490753][ T74] ___sys_sendmsg+0xee/0x170 [ 2328.490753][ T74] __sys_sendmsg+0xcd/0x170 [ 2328.490753][ T74] do_syscall_64+0xc6/0x1e0 [ 2328.490753][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2328.490753][ T74] [ 2328.492739][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2328.492989][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2328.492989][ T74] netdev_get_by_index+0x5e/0x80 [ 2328.492989][ T74] fib6_nh_init+0x3d8/0x1580 [ 2328.492989][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2328.492989][ T74] ip6_route_add+0x1c/0x140 [ 2328.492989][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2328.492989][ T74] inet6_addr_add+0x4f8/0xa40 [ 2328.492989][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2328.492989][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2328.492989][ T74] netlink_rcv_skb+0x130/0x360 [ 2328.492989][ T74] netlink_unicast+0x449/0x710 [ 2328.492989][ T74] netlink_sendmsg+0x723/0xbe0 [ 2328.492989][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2328.492989][ T74] ___sys_sendmsg+0xee/0x170 [ 2328.492989][ T74] __sys_sendmsg+0xcd/0x170 [ 2328.492989][ T74] do_syscall_64+0xc6/0x1e0 [ 2328.492989][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2328.492989][ T74] [ 2328.495501][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2328.495501][ T74] netdev_get_by_index+0x5e/0x80 [ 2328.495501][ T74] fib6_nh_init+0x3d8/0x1580 [ 2328.495501][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2328.495501][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2328.495501][ T74] ipv6_add_addr+0x411/0x2000 [ 2328.495501][ T74] inet6_addr_add+0x30e/0xa40 [ 2328.495501][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2328.495501][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2328.495501][ T74] netlink_rcv_skb+0x130/0x360 [ 2328.495501][ T74] netlink_unicast+0x449/0x710 [ 2328.495501][ T74] netlink_sendmsg+0x723/0xbe0 [ 2328.495501][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2328.495501][ T74] ___sys_sendmsg+0xee/0x170 [ 2328.495501][ T74] __sys_sendmsg+0xcd/0x170 [ 2328.495501][ T74] do_syscall_64+0xc6/0x1e0 [ 2328.495501][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2328.495501][ T74] [ 2328.497735][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2328.497735][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2328.497735][ T74] ipv6_find_idev+0x102/0x170 [ 2328.497735][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2328.497735][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2328.497735][ T74] netlink_rcv_skb+0x130/0x360 [ 2328.497735][ T74] netlink_unicast+0x449/0x710 [ 2328.497735][ T74] netlink_sendmsg+0x723/0xbe0 [ 2328.497735][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2328.497735][ T74] ___sys_sendmsg+0xee/0x170 [ 2328.497735][ T74] __sys_sendmsg+0xcd/0x170 [ 2328.497735][ T74] do_syscall_64+0xc6/0x1e0 [ 2328.497735][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2328.497735][ T74] [ 2328.499526][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2328.499526][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2328.499526][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2328.499526][ T74] ipv6_find_idev+0x102/0x170 [ 2328.499526][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2328.499526][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2328.499526][ T74] netlink_rcv_skb+0x130/0x360 [ 2328.499526][ T74] netlink_unicast+0x449/0x710 [ 2328.499526][ T74] netlink_sendmsg+0x723/0xbe0 [ 2328.499526][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2328.499526][ T74] ___sys_sendmsg+0xee/0x170 [ 2328.499526][ T74] __sys_sendmsg+0xcd/0x170 [ 2328.499526][ T74] do_syscall_64+0xc6/0x1e0 [ 2328.499526][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2328.499526][ T74] [ 2336.040224][ T42] INFO: task modprobe:7619 blocked for more than 737 seconds. [ 2336.040495][ T42] Not tainted 6.8.0-virtme #1 [ 2336.040640][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 2336.041266][ T42] task:modprobe state:D stack:25856 pid:7619 tgid:7619 ppid:62 flags:0x00004002 [ 2336.041521][ T42] Call Trace: [ 2336.041613][ T42] [ 2336.041684][ T42] __schedule+0x705/0x1ac0 [ 2336.041823][ T42] ? __pfx___schedule+0x10/0x10 [ 2336.041957][ T42] ? schedule+0x1a5/0x210 [ 2336.042054][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 2336.042184][ T42] ? mark_lock+0x38/0x3e0 [ 2336.042280][ T42] ? do_raw_spin_lock+0x131/0x270 [ 2336.042408][ T42] ? schedule+0x1a5/0x210 [ 2336.042505][ T42] schedule+0xdf/0x210 [ 2336.042600][ T42] schedule_preempt_disabled+0x15/0x30 [ 2336.042723][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 2336.042868][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 2336.043026][ T42] ? __pfx_console_unlock+0x10/0x10 [ 2336.043150][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 2336.043280][ T42] ? lock_acquire+0x1c1/0x220 [ 2336.043402][ T42] ? register_pernet_subsys+0x1a/0x50 [ 2336.043534][ T42] down_write+0x1c9/0x200 [ 2336.043630][ T42] ? __pfx_down_write+0x10/0x10 [ 2336.043754][ T42] ? __pfx__printk+0x10/0x10 [ 2336.043891][ T42] ? __pfx___lock_release+0x10/0x10 [ 2336.044020][ T42] register_pernet_subsys+0x1a/0x50 [ 2336.044142][ T42] tcf_register_action+0xa3/0x600 [ 2336.044267][ T42] ? __pfx_gact_init_module+0x10/0x10 [act_gact] [ 2336.044425][ T42] do_one_initcall+0xc8/0x3f0 [ 2336.044552][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 2336.044680][ T42] ? __create_object+0x5e/0xb0 [ 2336.044809][ T42] ? kasan_unpoison+0x27/0x60 [ 2336.044958][ T42] do_init_module+0x233/0x740 [ 2336.045093][ T42] load_module+0x16b5/0x2350 [ 2336.045230][ T42] ? __pfx_load_module+0x10/0x10 [ 2336.045353][ T42] ? kernel_read_file+0x3d2/0x520 [ 2336.045484][ T42] ? kernel_read_file+0x300/0x520 [ 2336.045609][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 2336.045742][ T42] ? init_module_from_file+0xd2/0x130 [ 2336.045874][ T42] init_module_from_file+0xd2/0x130 [ 2336.046000][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 2336.046152][ T42] ? __lock_release+0x103/0x460 [ 2336.046279][ T42] ? idempotent_init_module+0x32a/0x620 [ 2336.046413][ T42] ? idempotent_init_module+0x32a/0x620 [ 2336.046536][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 2336.046661][ T42] idempotent_init_module+0x342/0x620 [ 2336.046788][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 2336.046969][ T42] __x64_sys_finit_module+0xbe/0x130 [ 2336.047098][ T42] do_syscall_64+0xc6/0x1e0 [ 2336.047223][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2336.047379][ T42] RIP: 0033:0x7f1db4f62e5d [ 2336.047505][ T42] RSP: 002b:00007ffe8261b448 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 2336.047699][ T42] RAX: ffffffffffffffda RBX: 0000555e1791ec80 RCX: 00007f1db4f62e5d [ 2336.047898][ T42] RDX: 0000000000000000 RSI: 0000555dd93dca2a RDI: 0000000000000000 [ 2336.048080][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007ffe8261b580 [ 2336.048262][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555dd93dca2a [ 2336.048443][ T42] R13: 0000555e1791eac0 R14: 0000555e1791f0b0 R15: 0000555e1791ecf1 [ 2336.048641][ T42] [ 2336.048735][ T42] [ 2336.048735][ T42] Showing all locks held in the system: [ 2336.048922][ T42] 1 lock held by khungtaskd/42: [ 2336.049045][ T42] #0: ffffffff9a7591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 2336.049265][ T42] 2 locks held by kworker/u18:1/62: [ 2336.049382][ T42] #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 2336.049633][ T42] #1: ffffc9000043fda0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 2336.049919][ T42] 3 locks held by kworker/u16:1/74: [ 2336.050039][ T42] #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 2336.050285][ T42] #1: ffffc900004ffda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 2336.050501][ T42] #2: ffffffff9af6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60 [ 2336.050721][ T42] 1 lock held by modprobe/7619: [ 2336.050837][ T42] #0: ffffffff9af6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 2336.051096][ T42] [ 2336.051156][ T42] ============================================= [ 2336.051156][ T42] [ 2338.743991][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2338.744376][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2338.744376][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2338.744376][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2338.744376][ T74] fib6_nh_init+0xa22/0x1580 [ 2338.744376][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2338.744376][ T74] ip6_route_add+0x1c/0x140 [ 2338.744376][ T74] inet6_rtm_newroute+0x104/0x110 [ 2338.744376][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2338.744376][ T74] netlink_rcv_skb+0x130/0x360 [ 2338.744376][ T74] netlink_unicast+0x449/0x710 [ 2338.744376][ T74] netlink_sendmsg+0x723/0xbe0 [ 2338.744376][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2338.744376][ T74] ___sys_sendmsg+0xee/0x170 [ 2338.744376][ T74] __sys_sendmsg+0xcd/0x170 [ 2338.744376][ T74] do_syscall_64+0xc6/0x1e0 [ 2338.744376][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2338.744376][ T74] [ 2338.746289][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2338.746289][ T74] netdev_get_by_index+0x5e/0x80 [ 2338.746289][ T74] fib6_nh_init+0x3d8/0x1580 [ 2338.746289][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2338.746289][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2338.746289][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2338.746289][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2338.746289][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2338.746289][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2338.746289][ T74] addrconf_dad_begin+0x310/0x670 [ 2338.746289][ T74] addrconf_dad_work+0x10b/0xab0 [ 2338.746289][ T74] process_one_work+0x84d/0x18a0 [ 2338.746289][ T74] worker_thread+0x587/0xd30 [ 2338.746289][ T74] kthread+0x28a/0x350 [ 2338.746289][ T74] ret_from_fork+0x31/0x70 [ 2338.746289][ T74] ret_from_fork_asm+0x1a/0x30 [ 2338.746289][ T74] [ 2338.748206][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2338.748206][ T74] netdev_get_by_index+0x5e/0x80 [ 2338.748206][ T74] fib6_nh_init+0x3d8/0x1580 [ 2338.748206][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2338.748206][ T74] ip6_route_add+0x1c/0x140 [ 2338.748206][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2338.748206][ T74] inet6_addr_add+0x4f8/0xa40 [ 2338.748206][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2338.748206][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2338.748206][ T74] netlink_rcv_skb+0x130/0x360 [ 2338.748206][ T74] netlink_unicast+0x449/0x710 [ 2338.748206][ T74] netlink_sendmsg+0x723/0xbe0 [ 2338.748206][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2338.748206][ T74] ___sys_sendmsg+0xee/0x170 [ 2338.748206][ T74] __sys_sendmsg+0xcd/0x170 [ 2338.748206][ T74] do_syscall_64+0xc6/0x1e0 [ 2338.748206][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2338.748206][ T74] [ 2338.750197][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2338.750197][ T74] netdev_get_by_index+0x5e/0x80 [ 2338.750197][ T74] fib6_nh_init+0x3d8/0x1580 [ 2338.750197][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2338.750197][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2338.750197][ T74] ipv6_add_addr+0x411/0x2000 [ 2338.750197][ T74] inet6_addr_add+0x30e/0xa40 [ 2338.750197][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2338.750197][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2338.750197][ T74] netlink_rcv_skb+0x130/0x360 [ 2338.750197][ T74] netlink_unicast+0x449/0x710 [ 2338.750197][ T74] netlink_sendmsg+0x723/0xbe0 [ 2338.750197][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2338.750197][ T74] ___sys_sendmsg+0xee/0x170 [ 2338.750197][ T74] __sys_sendmsg+0xcd/0x170 [ 2338.750197][ T74] do_syscall_64+0xc6/0x1e0 [ 2338.750197][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2338.750197][ T74] [ 2338.752187][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2338.752187][ T74] netdev_get_by_index+0x5e/0x80 [ 2338.752187][ T74] fib6_nh_init+0x3d8/0x1580 [ 2338.752187][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2338.752187][ T74] ip6_route_add+0x1c/0x140 [ 2338.752187][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2338.752187][ T74] addrconf_add_dev+0xe2/0x170 [ 2338.752187][ T74] inet6_addr_add+0x12f/0xa40 [ 2338.752187][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2338.752187][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2338.752187][ T74] netlink_rcv_skb+0x130/0x360 [ 2338.752187][ T74] netlink_unicast+0x449/0x710 [ 2338.752187][ T74] netlink_sendmsg+0x723/0xbe0 [ 2338.752187][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2338.752187][ T74] ___sys_sendmsg+0xee/0x170 [ 2338.752187][ T74] __sys_sendmsg+0xcd/0x170 [ 2338.752187][ T74] do_syscall_64+0xc6/0x1e0 [ 2338.752187][ T74] [ 2338.754147][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2338.754147][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2338.754147][ T74] ipv6_find_idev+0x102/0x170 [ 2338.754147][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2338.754147][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2338.754147][ T74] netlink_rcv_skb+0x130/0x360 [ 2338.754147][ T74] netlink_unicast+0x449/0x710 [ 2338.754147][ T74] netlink_sendmsg+0x723/0xbe0 [ 2338.754147][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2338.754147][ T74] ___sys_sendmsg+0xee/0x170 [ 2338.754147][ T74] __sys_sendmsg+0xcd/0x170 [ 2338.754147][ T74] do_syscall_64+0xc6/0x1e0 [ 2338.754147][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2338.754147][ T74] [ 2338.755678][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2338.755678][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2338.755678][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2338.755678][ T74] ipv6_find_idev+0x102/0x170 [ 2338.755678][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2338.755678][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2338.755678][ T74] netlink_rcv_skb+0x130/0x360 [ 2338.755678][ T74] netlink_unicast+0x449/0x710 [ 2338.755678][ T74] netlink_sendmsg+0x723/0xbe0 [ 2338.755678][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2338.755678][ T74] ___sys_sendmsg+0xee/0x170 [ 2338.755678][ T74] __sys_sendmsg+0xcd/0x170 [ 2338.755678][ T74] do_syscall_64+0xc6/0x1e0 [ 2338.755678][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2338.755678][ T74] [ 2338.757375][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2338.757665][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2338.757665][ T74] dst_init+0x84/0x4a0 [ 2338.757665][ T74] dst_alloc+0x97/0x150 [ 2338.757665][ T74] ip6_dst_alloc+0x23/0x90 [ 2338.757665][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2338.757665][ T74] ip6_pol_route+0x56f/0x840 [ 2338.757665][ T74] fib6_rule_lookup+0x456/0x630 [ 2338.757665][ T74] ip6_route_input+0x59c/0xa50 [ 2338.757665][ T74] ipv6_rcv+0x397/0x810 [ 2338.757665][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2338.757665][ T74] process_backlog+0x101/0x620 [ 2338.757665][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2338.757665][ T74] net_rx_action+0x495/0xbe0 [ 2338.757665][ T74] __do_softirq+0x1b5/0x7f6 [ 2338.757665][ T74] [ 2338.759317][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2338.759317][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2338.759317][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2338.759317][ T74] fib6_nh_init+0xa22/0x1580 [ 2338.759317][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2338.759317][ T74] ip6_route_add+0x1c/0x140 [ 2338.759317][ T74] inet6_rtm_newroute+0x104/0x110 [ 2338.759317][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2338.759317][ T74] netlink_rcv_skb+0x130/0x360 [ 2338.759317][ T74] netlink_unicast+0x449/0x710 [ 2338.759317][ T74] netlink_sendmsg+0x723/0xbe0 [ 2338.759317][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2338.759317][ T74] ___sys_sendmsg+0xee/0x170 [ 2338.759317][ T74] __sys_sendmsg+0xcd/0x170 [ 2338.759317][ T74] do_syscall_64+0xc6/0x1e0 [ 2338.759317][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2338.759317][ T74] [ 2338.761186][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2338.761186][ T74] netdev_get_by_index+0x5e/0x80 [ 2338.761186][ T74] fib6_nh_init+0x3d8/0x1580 [ 2338.761186][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2338.761186][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2338.761186][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2338.761186][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2338.761186][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2338.761186][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2338.761186][ T74] addrconf_dad_begin+0x310/0x670 [ 2338.761186][ T74] addrconf_dad_work+0x10b/0xab0 [ 2338.761186][ T74] process_one_work+0x84d/0x18a0 [ 2338.761186][ T74] worker_thread+0x587/0xd30 [ 2338.761186][ T74] kthread+0x28a/0x350 [ 2338.761186][ T74] ret_from_fork+0x31/0x70 [ 2338.761186][ T74] ret_from_fork_asm+0x1a/0x30 [ 2338.761186][ T74] [ 2338.763088][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2338.763088][ T74] netdev_get_by_index+0x5e/0x80 [ 2338.763088][ T74] fib6_nh_init+0x3d8/0x1580 [ 2338.763088][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2338.763088][ T74] ip6_route_add+0x1c/0x140 [ 2338.763088][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2338.763088][ T74] inet6_addr_add+0x4f8/0xa40 [ 2338.763088][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2338.763088][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2338.763088][ T74] netlink_rcv_skb+0x130/0x360 [ 2338.763088][ T74] netlink_unicast+0x449/0x710 [ 2338.763088][ T74] netlink_sendmsg+0x723/0xbe0 [ 2338.763088][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2338.763088][ T74] ___sys_sendmsg+0xee/0x170 [ 2338.763088][ T74] __sys_sendmsg+0xcd/0x170 [ 2338.763088][ T74] do_syscall_64+0xc6/0x1e0 [ 2338.763088][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2338.763088][ T74] [ 2338.765078][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2338.765078][ T74] netdev_get_by_index+0x5e/0x80 [ 2338.765078][ T74] fib6_nh_init+0x3d8/0x1580 [ 2338.765078][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2338.765078][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2338.765078][ T74] ipv6_add_addr+0x411/0x2000 [ 2338.765078][ T74] inet6_addr_add+0x30e/0xa40 [ 2338.765078][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2338.765078][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2338.765078][ T74] netlink_rcv_skb+0x130/0x360 [ 2338.765078][ T74] netlink_unicast+0x449/0x710 [ 2338.765078][ T74] netlink_sendmsg+0x723/0xbe0 [ 2338.765078][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2338.765078][ T74] ___sys_sendmsg+0xee/0x170 [ 2338.765078][ T74] __sys_sendmsg+0xcd/0x170 [ 2338.765078][ T74] do_syscall_64+0xc6/0x1e0 [ 2338.765078][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2338.765078][ T74] [ 2338.767082][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2338.767082][ T74] netdev_get_by_index+0x5e/0x80 [ 2338.767082][ T74] fib6_nh_init+0x3d8/0x1580 [ 2338.767082][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2338.767082][ T74] ip6_route_add+0x1c/0x140 [ 2338.767082][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2338.767082][ T74] addrconf_add_dev+0xe2/0x170 [ 2338.767082][ T74] inet6_addr_add+0x12f/0xa40 [ 2338.767082][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2338.767082][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2338.767082][ T74] netlink_rcv_skb+0x130/0x360 [ 2338.767082][ T74] netlink_unicast+0x449/0x710 [ 2338.767082][ T74] netlink_sendmsg+0x723/0xbe0 [ 2338.767082][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2338.767082][ T74] ___sys_sendmsg+0xee/0x170 [ 2338.767082][ T74] __sys_sendmsg+0xcd/0x170 [ 2338.767082][ T74] do_syscall_64+0xc6/0x1e0 [ 2338.767082][ T74] [ 2338.769049][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2338.769049][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2338.769049][ T74] ipv6_find_idev+0x102/0x170 [ 2338.769049][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2338.769049][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2338.769049][ T74] netlink_rcv_skb+0x130/0x360 [ 2338.769049][ T74] netlink_unicast+0x449/0x710 [ 2338.769049][ T74] netlink_sendmsg+0x723/0xbe0 [ 2338.769049][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2338.769049][ T74] ___sys_sendmsg+0xee/0x170 [ 2338.769049][ T74] __sys_sendmsg+0xcd/0x170 [ 2338.769049][ T74] do_syscall_64+0xc6/0x1e0 [ 2338.769049][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2338.769049][ T74] [ 2338.770817][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2338.770817][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2338.770817][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2338.770817][ T74] ipv6_find_idev+0x102/0x170 [ 2338.770817][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2338.770817][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2338.770817][ T74] netlink_rcv_skb+0x130/0x360 [ 2338.770817][ T74] netlink_unicast+0x449/0x710 [ 2338.770817][ T74] netlink_sendmsg+0x723/0xbe0 [ 2338.770817][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2338.770817][ T74] ___sys_sendmsg+0xee/0x170 [ 2338.770817][ T74] __sys_sendmsg+0xcd/0x170 [ 2338.770817][ T74] do_syscall_64+0xc6/0x1e0 [ 2338.770817][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2338.770817][ T74] [ 2338.772784][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2338.773031][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2338.773031][ T74] netdev_get_by_index+0x5e/0x80 [ 2338.773031][ T74] fib6_nh_init+0x3d8/0x1580 [ 2338.773031][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2338.773031][ T74] ip6_route_add+0x1c/0x140 [ 2338.773031][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2338.773031][ T74] inet6_addr_add+0x4f8/0xa40 [ 2338.773031][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2338.773031][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2338.773031][ T74] netlink_rcv_skb+0x130/0x360 [ 2338.773031][ T74] netlink_unicast+0x449/0x710 [ 2338.773031][ T74] netlink_sendmsg+0x723/0xbe0 [ 2338.773031][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2338.773031][ T74] ___sys_sendmsg+0xee/0x170 [ 2338.773031][ T74] __sys_sendmsg+0xcd/0x170 [ 2338.773031][ T74] do_syscall_64+0xc6/0x1e0 [ 2338.773031][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2338.773031][ T74] [ 2338.775281][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2338.775281][ T74] netdev_get_by_index+0x5e/0x80 [ 2338.775281][ T74] fib6_nh_init+0x3d8/0x1580 [ 2338.775281][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2338.775281][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2338.775281][ T74] ipv6_add_addr+0x411/0x2000 [ 2338.775281][ T74] inet6_addr_add+0x30e/0xa40 [ 2338.775281][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2338.775281][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2338.775281][ T74] netlink_rcv_skb+0x130/0x360 [ 2338.775281][ T74] netlink_unicast+0x449/0x710 [ 2338.775281][ T74] netlink_sendmsg+0x723/0xbe0 [ 2338.775281][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2338.775281][ T74] ___sys_sendmsg+0xee/0x170 [ 2338.775281][ T74] __sys_sendmsg+0xcd/0x170 [ 2338.775281][ T74] do_syscall_64+0xc6/0x1e0 [ 2338.775281][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2338.775281][ T74] [ 2338.777504][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2338.777504][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2338.777504][ T74] ipv6_find_idev+0x102/0x170 [ 2338.777504][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2338.777504][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2338.777504][ T74] netlink_rcv_skb+0x130/0x360 [ 2338.777504][ T74] netlink_unicast+0x449/0x710 [ 2338.777504][ T74] netlink_sendmsg+0x723/0xbe0 [ 2338.777504][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2338.777504][ T74] ___sys_sendmsg+0xee/0x170 [ 2338.777504][ T74] __sys_sendmsg+0xcd/0x170 [ 2338.777504][ T74] do_syscall_64+0xc6/0x1e0 [ 2338.777504][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2338.777504][ T74] [ 2338.779159][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2338.779159][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2338.779159][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2338.779159][ T74] ipv6_find_idev+0x102/0x170 [ 2338.779159][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2338.779159][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2338.779159][ T74] netlink_rcv_skb+0x130/0x360 [ 2338.779159][ T74] netlink_unicast+0x449/0x710 [ 2338.779159][ T74] netlink_sendmsg+0x723/0xbe0 [ 2338.779159][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2338.779159][ T74] ___sys_sendmsg+0xee/0x170 [ 2338.779159][ T74] __sys_sendmsg+0xcd/0x170 [ 2338.779159][ T74] do_syscall_64+0xc6/0x1e0 [ 2338.779159][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2338.779159][ T74] [ 2349.023990][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2349.024418][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2349.024418][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2349.024418][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2349.024418][ T74] fib6_nh_init+0xa22/0x1580 [ 2349.024418][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2349.024418][ T74] ip6_route_add+0x1c/0x140 [ 2349.024418][ T74] inet6_rtm_newroute+0x104/0x110 [ 2349.024418][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2349.024418][ T74] netlink_rcv_skb+0x130/0x360 [ 2349.024418][ T74] netlink_unicast+0x449/0x710 [ 2349.024418][ T74] netlink_sendmsg+0x723/0xbe0 [ 2349.024418][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2349.024418][ T74] ___sys_sendmsg+0xee/0x170 [ 2349.024418][ T74] __sys_sendmsg+0xcd/0x170 [ 2349.024418][ T74] do_syscall_64+0xc6/0x1e0 [ 2349.024418][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2349.024418][ T74] [ 2349.026316][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2349.026316][ T74] netdev_get_by_index+0x5e/0x80 [ 2349.026316][ T74] fib6_nh_init+0x3d8/0x1580 [ 2349.026316][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2349.026316][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2349.026316][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2349.026316][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2349.026316][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2349.026316][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2349.026316][ T74] addrconf_dad_begin+0x310/0x670 [ 2349.026316][ T74] addrconf_dad_work+0x10b/0xab0 [ 2349.026316][ T74] process_one_work+0x84d/0x18a0 [ 2349.026316][ T74] worker_thread+0x587/0xd30 [ 2349.026316][ T74] kthread+0x28a/0x350 [ 2349.026316][ T74] ret_from_fork+0x31/0x70 [ 2349.026316][ T74] ret_from_fork_asm+0x1a/0x30 [ 2349.026316][ T74] [ 2349.028275][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2349.028275][ T74] netdev_get_by_index+0x5e/0x80 [ 2349.028275][ T74] fib6_nh_init+0x3d8/0x1580 [ 2349.028275][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2349.028275][ T74] ip6_route_add+0x1c/0x140 [ 2349.028275][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2349.028275][ T74] inet6_addr_add+0x4f8/0xa40 [ 2349.028275][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2349.028275][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2349.028275][ T74] netlink_rcv_skb+0x130/0x360 [ 2349.028275][ T74] netlink_unicast+0x449/0x710 [ 2349.028275][ T74] netlink_sendmsg+0x723/0xbe0 [ 2349.028275][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2349.028275][ T74] ___sys_sendmsg+0xee/0x170 [ 2349.028275][ T74] __sys_sendmsg+0xcd/0x170 [ 2349.028275][ T74] do_syscall_64+0xc6/0x1e0 [ 2349.028275][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2349.028275][ T74] [ 2349.030268][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2349.030268][ T74] netdev_get_by_index+0x5e/0x80 [ 2349.030268][ T74] fib6_nh_init+0x3d8/0x1580 [ 2349.030268][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2349.030268][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2349.030268][ T74] ipv6_add_addr+0x411/0x2000 [ 2349.030268][ T74] inet6_addr_add+0x30e/0xa40 [ 2349.030268][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2349.030268][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2349.030268][ T74] netlink_rcv_skb+0x130/0x360 [ 2349.030268][ T74] netlink_unicast+0x449/0x710 [ 2349.030268][ T74] netlink_sendmsg+0x723/0xbe0 [ 2349.030268][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2349.030268][ T74] ___sys_sendmsg+0xee/0x170 [ 2349.030268][ T74] __sys_sendmsg+0xcd/0x170 [ 2349.030268][ T74] do_syscall_64+0xc6/0x1e0 [ 2349.030268][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2349.030268][ T74] [ 2349.032282][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2349.032282][ T74] netdev_get_by_index+0x5e/0x80 [ 2349.032282][ T74] fib6_nh_init+0x3d8/0x1580 [ 2349.032282][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2349.032282][ T74] ip6_route_add+0x1c/0x140 [ 2349.032282][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2349.032282][ T74] addrconf_add_dev+0xe2/0x170 [ 2349.032282][ T74] inet6_addr_add+0x12f/0xa40 [ 2349.032282][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2349.032282][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2349.032282][ T74] netlink_rcv_skb+0x130/0x360 [ 2349.032282][ T74] netlink_unicast+0x449/0x710 [ 2349.032282][ T74] netlink_sendmsg+0x723/0xbe0 [ 2349.032282][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2349.032282][ T74] ___sys_sendmsg+0xee/0x170 [ 2349.032282][ T74] __sys_sendmsg+0xcd/0x170 [ 2349.032282][ T74] do_syscall_64+0xc6/0x1e0 [ 2349.032282][ T74] [ 2349.034242][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2349.034242][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2349.034242][ T74] ipv6_find_idev+0x102/0x170 [ 2349.034242][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2349.034242][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2349.034242][ T74] netlink_rcv_skb+0x130/0x360 [ 2349.034242][ T74] netlink_unicast+0x449/0x710 [ 2349.034242][ T74] netlink_sendmsg+0x723/0xbe0 [ 2349.034242][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2349.034242][ T74] ___sys_sendmsg+0xee/0x170 [ 2349.034242][ T74] __sys_sendmsg+0xcd/0x170 [ 2349.034242][ T74] do_syscall_64+0xc6/0x1e0 [ 2349.034242][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2349.034242][ T74] [ 2349.035796][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2349.035796][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2349.035796][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2349.035796][ T74] ipv6_find_idev+0x102/0x170 [ 2349.035796][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2349.035796][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2349.035796][ T74] netlink_rcv_skb+0x130/0x360 [ 2349.035796][ T74] netlink_unicast+0x449/0x710 [ 2349.035796][ T74] netlink_sendmsg+0x723/0xbe0 [ 2349.035796][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2349.035796][ T74] ___sys_sendmsg+0xee/0x170 [ 2349.035796][ T74] __sys_sendmsg+0xcd/0x170 [ 2349.035796][ T74] do_syscall_64+0xc6/0x1e0 [ 2349.035796][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2349.035796][ T74] [ 2349.037488][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2349.037793][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2349.037793][ T74] dst_init+0x84/0x4a0 [ 2349.037793][ T74] dst_alloc+0x97/0x150 [ 2349.037793][ T74] ip6_dst_alloc+0x23/0x90 [ 2349.037793][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2349.037793][ T74] ip6_pol_route+0x56f/0x840 [ 2349.037793][ T74] fib6_rule_lookup+0x456/0x630 [ 2349.037793][ T74] ip6_route_input+0x59c/0xa50 [ 2349.037793][ T74] ipv6_rcv+0x397/0x810 [ 2349.037793][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2349.037793][ T74] process_backlog+0x101/0x620 [ 2349.037793][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2349.037793][ T74] net_rx_action+0x495/0xbe0 [ 2349.037793][ T74] __do_softirq+0x1b5/0x7f6 [ 2349.037793][ T74] [ 2349.039420][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2349.039420][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2349.039420][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2349.039420][ T74] fib6_nh_init+0xa22/0x1580 [ 2349.039420][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2349.039420][ T74] ip6_route_add+0x1c/0x140 [ 2349.039420][ T74] inet6_rtm_newroute+0x104/0x110 [ 2349.039420][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2349.039420][ T74] netlink_rcv_skb+0x130/0x360 [ 2349.039420][ T74] netlink_unicast+0x449/0x710 [ 2349.039420][ T74] netlink_sendmsg+0x723/0xbe0 [ 2349.039420][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2349.039420][ T74] ___sys_sendmsg+0xee/0x170 [ 2349.039420][ T74] __sys_sendmsg+0xcd/0x170 [ 2349.039420][ T74] do_syscall_64+0xc6/0x1e0 [ 2349.039420][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2349.039420][ T74] [ 2349.041289][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2349.041289][ T74] netdev_get_by_index+0x5e/0x80 [ 2349.041289][ T74] fib6_nh_init+0x3d8/0x1580 [ 2349.041289][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2349.041289][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2349.041289][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2349.041289][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2349.041289][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2349.041289][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2349.041289][ T74] addrconf_dad_begin+0x310/0x670 [ 2349.041289][ T74] addrconf_dad_work+0x10b/0xab0 [ 2349.041289][ T74] process_one_work+0x84d/0x18a0 [ 2349.041289][ T74] worker_thread+0x587/0xd30 [ 2349.041289][ T74] kthread+0x28a/0x350 [ 2349.041289][ T74] ret_from_fork+0x31/0x70 [ 2349.041289][ T74] ret_from_fork_asm+0x1a/0x30 [ 2349.041289][ T74] [ 2349.043194][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2349.043194][ T74] netdev_get_by_index+0x5e/0x80 [ 2349.043194][ T74] fib6_nh_init+0x3d8/0x1580 [ 2349.043194][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2349.043194][ T74] ip6_route_add+0x1c/0x140 [ 2349.043194][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2349.043194][ T74] inet6_addr_add+0x4f8/0xa40 [ 2349.043194][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2349.043194][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2349.043194][ T74] netlink_rcv_skb+0x130/0x360 [ 2349.043194][ T74] netlink_unicast+0x449/0x710 [ 2349.043194][ T74] netlink_sendmsg+0x723/0xbe0 [ 2349.043194][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2349.043194][ T74] ___sys_sendmsg+0xee/0x170 [ 2349.043194][ T74] __sys_sendmsg+0xcd/0x170 [ 2349.043194][ T74] do_syscall_64+0xc6/0x1e0 [ 2349.043194][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2349.043194][ T74] [ 2349.045187][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2349.045187][ T74] netdev_get_by_index+0x5e/0x80 [ 2349.045187][ T74] fib6_nh_init+0x3d8/0x1580 [ 2349.045187][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2349.045187][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2349.045187][ T74] ipv6_add_addr+0x411/0x2000 [ 2349.045187][ T74] inet6_addr_add+0x30e/0xa40 [ 2349.045187][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2349.045187][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2349.045187][ T74] netlink_rcv_skb+0x130/0x360 [ 2349.045187][ T74] netlink_unicast+0x449/0x710 [ 2349.045187][ T74] netlink_sendmsg+0x723/0xbe0 [ 2349.045187][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2349.045187][ T74] ___sys_sendmsg+0xee/0x170 [ 2349.045187][ T74] __sys_sendmsg+0xcd/0x170 [ 2349.045187][ T74] do_syscall_64+0xc6/0x1e0 [ 2349.045187][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2349.045187][ T74] [ 2349.047181][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2349.047181][ T74] netdev_get_by_index+0x5e/0x80 [ 2349.047181][ T74] fib6_nh_init+0x3d8/0x1580 [ 2349.047181][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2349.047181][ T74] ip6_route_add+0x1c/0x140 [ 2349.047181][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2349.047181][ T74] addrconf_add_dev+0xe2/0x170 [ 2349.047181][ T74] inet6_addr_add+0x12f/0xa40 [ 2349.047181][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2349.047181][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2349.047181][ T74] netlink_rcv_skb+0x130/0x360 [ 2349.047181][ T74] netlink_unicast+0x449/0x710 [ 2349.047181][ T74] netlink_sendmsg+0x723/0xbe0 [ 2349.047181][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2349.047181][ T74] ___sys_sendmsg+0xee/0x170 [ 2349.047181][ T74] __sys_sendmsg+0xcd/0x170 [ 2349.047181][ T74] do_syscall_64+0xc6/0x1e0 [ 2349.047181][ T74] [ 2349.049140][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2349.049140][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2349.049140][ T74] ipv6_find_idev+0x102/0x170 [ 2349.049140][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2349.049140][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2349.049140][ T74] netlink_rcv_skb+0x130/0x360 [ 2349.049140][ T74] netlink_unicast+0x449/0x710 [ 2349.049140][ T74] netlink_sendmsg+0x723/0xbe0 [ 2349.049140][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2349.049140][ T74] ___sys_sendmsg+0xee/0x170 [ 2349.049140][ T74] __sys_sendmsg+0xcd/0x170 [ 2349.049140][ T74] do_syscall_64+0xc6/0x1e0 [ 2349.049140][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2349.049140][ T74] [ 2349.050795][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2349.050795][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2349.050795][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2349.050795][ T74] ipv6_find_idev+0x102/0x170 [ 2349.050795][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2349.050795][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2349.050795][ T74] netlink_rcv_skb+0x130/0x360 [ 2349.050795][ T74] netlink_unicast+0x449/0x710 [ 2349.050795][ T74] netlink_sendmsg+0x723/0xbe0 [ 2349.050795][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2349.050795][ T74] ___sys_sendmsg+0xee/0x170 [ 2349.050795][ T74] __sys_sendmsg+0xcd/0x170 [ 2349.050795][ T74] do_syscall_64+0xc6/0x1e0 [ 2349.050795][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2349.050795][ T74] [ 2349.052786][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2349.053029][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2349.053029][ T74] netdev_get_by_index+0x5e/0x80 [ 2349.053029][ T74] fib6_nh_init+0x3d8/0x1580 [ 2349.053029][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2349.053029][ T74] ip6_route_add+0x1c/0x140 [ 2349.053029][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2349.053029][ T74] inet6_addr_add+0x4f8/0xa40 [ 2349.053029][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2349.053029][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2349.053029][ T74] netlink_rcv_skb+0x130/0x360 [ 2349.053029][ T74] netlink_unicast+0x449/0x710 [ 2349.053029][ T74] netlink_sendmsg+0x723/0xbe0 [ 2349.053029][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2349.053029][ T74] ___sys_sendmsg+0xee/0x170 [ 2349.053029][ T74] __sys_sendmsg+0xcd/0x170 [ 2349.053029][ T74] do_syscall_64+0xc6/0x1e0 [ 2349.053029][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2349.053029][ T74] [ 2349.055262][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2349.055262][ T74] netdev_get_by_index+0x5e/0x80 [ 2349.055262][ T74] fib6_nh_init+0x3d8/0x1580 [ 2349.055262][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2349.055262][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2349.055262][ T74] ipv6_add_addr+0x411/0x2000 [ 2349.055262][ T74] inet6_addr_add+0x30e/0xa40 [ 2349.055262][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2349.055262][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2349.055262][ T74] netlink_rcv_skb+0x130/0x360 [ 2349.055262][ T74] netlink_unicast+0x449/0x710 [ 2349.055262][ T74] netlink_sendmsg+0x723/0xbe0 [ 2349.055262][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2349.055262][ T74] ___sys_sendmsg+0xee/0x170 [ 2349.055262][ T74] __sys_sendmsg+0xcd/0x170 [ 2349.055262][ T74] do_syscall_64+0xc6/0x1e0 [ 2349.055262][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2349.055262][ T74] [ 2349.057500][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2349.057500][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2349.057500][ T74] ipv6_find_idev+0x102/0x170 [ 2349.057500][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2349.057500][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2349.057500][ T74] netlink_rcv_skb+0x130/0x360 [ 2349.057500][ T74] netlink_unicast+0x449/0x710 [ 2349.057500][ T74] netlink_sendmsg+0x723/0xbe0 [ 2349.057500][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2349.057500][ T74] ___sys_sendmsg+0xee/0x170 [ 2349.057500][ T74] __sys_sendmsg+0xcd/0x170 [ 2349.057500][ T74] do_syscall_64+0xc6/0x1e0 [ 2349.057500][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2349.057500][ T74] [ 2349.059151][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2349.059151][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2349.059151][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2349.059151][ T74] ipv6_find_idev+0x102/0x170 [ 2349.059151][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2349.059151][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2349.059151][ T74] netlink_rcv_skb+0x130/0x360 [ 2349.059151][ T74] netlink_unicast+0x449/0x710 [ 2349.059151][ T74] netlink_sendmsg+0x723/0xbe0 [ 2349.059151][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2349.059151][ T74] ___sys_sendmsg+0xee/0x170 [ 2349.059151][ T74] __sys_sendmsg+0xcd/0x170 [ 2349.059151][ T74] do_syscall_64+0xc6/0x1e0 [ 2349.059151][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2349.059151][ T74] [ 2359.303932][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2359.304300][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2359.304300][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2359.304300][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2359.304300][ T74] fib6_nh_init+0xa22/0x1580 [ 2359.304300][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2359.304300][ T74] ip6_route_add+0x1c/0x140 [ 2359.304300][ T74] inet6_rtm_newroute+0x104/0x110 [ 2359.304300][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2359.304300][ T74] netlink_rcv_skb+0x130/0x360 [ 2359.304300][ T74] netlink_unicast+0x449/0x710 [ 2359.304300][ T74] netlink_sendmsg+0x723/0xbe0 [ 2359.304300][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2359.304300][ T74] ___sys_sendmsg+0xee/0x170 [ 2359.304300][ T74] __sys_sendmsg+0xcd/0x170 [ 2359.304300][ T74] do_syscall_64+0xc6/0x1e0 [ 2359.304300][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2359.304300][ T74] [ 2359.306283][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2359.306283][ T74] netdev_get_by_index+0x5e/0x80 [ 2359.306283][ T74] fib6_nh_init+0x3d8/0x1580 [ 2359.306283][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2359.306283][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2359.306283][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2359.306283][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2359.306283][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2359.306283][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2359.306283][ T74] addrconf_dad_begin+0x310/0x670 [ 2359.306283][ T74] addrconf_dad_work+0x10b/0xab0 [ 2359.306283][ T74] process_one_work+0x84d/0x18a0 [ 2359.306283][ T74] worker_thread+0x587/0xd30 [ 2359.306283][ T74] kthread+0x28a/0x350 [ 2359.306283][ T74] ret_from_fork+0x31/0x70 [ 2359.306283][ T74] ret_from_fork_asm+0x1a/0x30 [ 2359.306283][ T74] [ 2359.308193][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2359.308193][ T74] netdev_get_by_index+0x5e/0x80 [ 2359.308193][ T74] fib6_nh_init+0x3d8/0x1580 [ 2359.308193][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2359.308193][ T74] ip6_route_add+0x1c/0x140 [ 2359.308193][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2359.308193][ T74] inet6_addr_add+0x4f8/0xa40 [ 2359.308193][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2359.308193][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2359.308193][ T74] netlink_rcv_skb+0x130/0x360 [ 2359.308193][ T74] netlink_unicast+0x449/0x710 [ 2359.308193][ T74] netlink_sendmsg+0x723/0xbe0 [ 2359.308193][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2359.308193][ T74] ___sys_sendmsg+0xee/0x170 [ 2359.308193][ T74] __sys_sendmsg+0xcd/0x170 [ 2359.308193][ T74] do_syscall_64+0xc6/0x1e0 [ 2359.308193][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2359.308193][ T74] [ 2359.310186][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2359.310186][ T74] netdev_get_by_index+0x5e/0x80 [ 2359.310186][ T74] fib6_nh_init+0x3d8/0x1580 [ 2359.310186][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2359.310186][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2359.310186][ T74] ipv6_add_addr+0x411/0x2000 [ 2359.310186][ T74] inet6_addr_add+0x30e/0xa40 [ 2359.310186][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2359.310186][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2359.310186][ T74] netlink_rcv_skb+0x130/0x360 [ 2359.310186][ T74] netlink_unicast+0x449/0x710 [ 2359.310186][ T74] netlink_sendmsg+0x723/0xbe0 [ 2359.310186][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2359.310186][ T74] ___sys_sendmsg+0xee/0x170 [ 2359.310186][ T74] __sys_sendmsg+0xcd/0x170 [ 2359.310186][ T74] do_syscall_64+0xc6/0x1e0 [ 2359.310186][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2359.310186][ T74] [ 2359.312178][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2359.312178][ T74] netdev_get_by_index+0x5e/0x80 [ 2359.312178][ T74] fib6_nh_init+0x3d8/0x1580 [ 2359.312178][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2359.312178][ T74] ip6_route_add+0x1c/0x140 [ 2359.312178][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2359.312178][ T74] addrconf_add_dev+0xe2/0x170 [ 2359.312178][ T74] inet6_addr_add+0x12f/0xa40 [ 2359.312178][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2359.312178][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2359.312178][ T74] netlink_rcv_skb+0x130/0x360 [ 2359.312178][ T74] netlink_unicast+0x449/0x710 [ 2359.312178][ T74] netlink_sendmsg+0x723/0xbe0 [ 2359.312178][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2359.312178][ T74] ___sys_sendmsg+0xee/0x170 [ 2359.312178][ T74] __sys_sendmsg+0xcd/0x170 [ 2359.312178][ T74] do_syscall_64+0xc6/0x1e0 [ 2359.312178][ T74] [ 2359.314141][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2359.314141][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2359.314141][ T74] ipv6_find_idev+0x102/0x170 [ 2359.314141][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2359.314141][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2359.314141][ T74] netlink_rcv_skb+0x130/0x360 [ 2359.314141][ T74] netlink_unicast+0x449/0x710 [ 2359.314141][ T74] netlink_sendmsg+0x723/0xbe0 [ 2359.314141][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2359.314141][ T74] ___sys_sendmsg+0xee/0x170 [ 2359.314141][ T74] __sys_sendmsg+0xcd/0x170 [ 2359.314141][ T74] do_syscall_64+0xc6/0x1e0 [ 2359.314141][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2359.314141][ T74] [ 2359.315710][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2359.315710][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2359.315710][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2359.315710][ T74] ipv6_find_idev+0x102/0x170 [ 2359.315710][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2359.315710][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2359.315710][ T74] netlink_rcv_skb+0x130/0x360 [ 2359.315710][ T74] netlink_unicast+0x449/0x710 [ 2359.315710][ T74] netlink_sendmsg+0x723/0xbe0 [ 2359.315710][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2359.315710][ T74] ___sys_sendmsg+0xee/0x170 [ 2359.315710][ T74] __sys_sendmsg+0xcd/0x170 [ 2359.315710][ T74] do_syscall_64+0xc6/0x1e0 [ 2359.315710][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2359.315710][ T74] [ 2359.317413][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2359.317714][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2359.317714][ T74] dst_init+0x84/0x4a0 [ 2359.317714][ T74] dst_alloc+0x97/0x150 [ 2359.317714][ T74] ip6_dst_alloc+0x23/0x90 [ 2359.317714][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2359.317714][ T74] ip6_pol_route+0x56f/0x840 [ 2359.317714][ T74] fib6_rule_lookup+0x456/0x630 [ 2359.317714][ T74] ip6_route_input+0x59c/0xa50 [ 2359.317714][ T74] ipv6_rcv+0x397/0x810 [ 2359.317714][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2359.317714][ T74] process_backlog+0x101/0x620 [ 2359.317714][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2359.317714][ T74] net_rx_action+0x495/0xbe0 [ 2359.317714][ T74] __do_softirq+0x1b5/0x7f6 [ 2359.317714][ T74] [ 2359.319348][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2359.319348][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2359.319348][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2359.319348][ T74] fib6_nh_init+0xa22/0x1580 [ 2359.319348][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2359.319348][ T74] ip6_route_add+0x1c/0x140 [ 2359.319348][ T74] inet6_rtm_newroute+0x104/0x110 [ 2359.319348][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2359.319348][ T74] netlink_rcv_skb+0x130/0x360 [ 2359.319348][ T74] netlink_unicast+0x449/0x710 [ 2359.319348][ T74] netlink_sendmsg+0x723/0xbe0 [ 2359.319348][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2359.319348][ T74] ___sys_sendmsg+0xee/0x170 [ 2359.319348][ T74] __sys_sendmsg+0xcd/0x170 [ 2359.319348][ T74] do_syscall_64+0xc6/0x1e0 [ 2359.319348][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2359.319348][ T74] [ 2359.321243][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2359.321243][ T74] netdev_get_by_index+0x5e/0x80 [ 2359.321243][ T74] fib6_nh_init+0x3d8/0x1580 [ 2359.321243][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2359.321243][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2359.321243][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2359.321243][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2359.321243][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2359.321243][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2359.321243][ T74] addrconf_dad_begin+0x310/0x670 [ 2359.321243][ T74] addrconf_dad_work+0x10b/0xab0 [ 2359.321243][ T74] process_one_work+0x84d/0x18a0 [ 2359.321243][ T74] worker_thread+0x587/0xd30 [ 2359.321243][ T74] kthread+0x28a/0x350 [ 2359.321243][ T74] ret_from_fork+0x31/0x70 [ 2359.321243][ T74] ret_from_fork_asm+0x1a/0x30 [ 2359.321243][ T74] [ 2359.323153][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2359.323153][ T74] netdev_get_by_index+0x5e/0x80 [ 2359.323153][ T74] fib6_nh_init+0x3d8/0x1580 [ 2359.323153][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2359.323153][ T74] ip6_route_add+0x1c/0x140 [ 2359.323153][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2359.323153][ T74] inet6_addr_add+0x4f8/0xa40 [ 2359.323153][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2359.323153][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2359.323153][ T74] netlink_rcv_skb+0x130/0x360 [ 2359.323153][ T74] netlink_unicast+0x449/0x710 [ 2359.323153][ T74] netlink_sendmsg+0x723/0xbe0 [ 2359.323153][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2359.323153][ T74] ___sys_sendmsg+0xee/0x170 [ 2359.323153][ T74] __sys_sendmsg+0xcd/0x170 [ 2359.323153][ T74] do_syscall_64+0xc6/0x1e0 [ 2359.323153][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2359.323153][ T74] [ 2359.325157][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2359.325157][ T74] netdev_get_by_index+0x5e/0x80 [ 2359.325157][ T74] fib6_nh_init+0x3d8/0x1580 [ 2359.325157][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2359.325157][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2359.325157][ T74] ipv6_add_addr+0x411/0x2000 [ 2359.325157][ T74] inet6_addr_add+0x30e/0xa40 [ 2359.325157][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2359.325157][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2359.325157][ T74] netlink_rcv_skb+0x130/0x360 [ 2359.325157][ T74] netlink_unicast+0x449/0x710 [ 2359.325157][ T74] netlink_sendmsg+0x723/0xbe0 [ 2359.325157][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2359.325157][ T74] ___sys_sendmsg+0xee/0x170 [ 2359.325157][ T74] __sys_sendmsg+0xcd/0x170 [ 2359.325157][ T74] do_syscall_64+0xc6/0x1e0 [ 2359.325157][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2359.325157][ T74] [ 2359.327148][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2359.327148][ T74] netdev_get_by_index+0x5e/0x80 [ 2359.327148][ T74] fib6_nh_init+0x3d8/0x1580 [ 2359.327148][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2359.327148][ T74] ip6_route_add+0x1c/0x140 [ 2359.327148][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2359.327148][ T74] addrconf_add_dev+0xe2/0x170 [ 2359.327148][ T74] inet6_addr_add+0x12f/0xa40 [ 2359.327148][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2359.327148][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2359.327148][ T74] netlink_rcv_skb+0x130/0x360 [ 2359.327148][ T74] netlink_unicast+0x449/0x710 [ 2359.327148][ T74] netlink_sendmsg+0x723/0xbe0 [ 2359.327148][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2359.327148][ T74] ___sys_sendmsg+0xee/0x170 [ 2359.327148][ T74] __sys_sendmsg+0xcd/0x170 [ 2359.327148][ T74] do_syscall_64+0xc6/0x1e0 [ 2359.327148][ T74] [ 2359.329109][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2359.329109][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2359.329109][ T74] ipv6_find_idev+0x102/0x170 [ 2359.329109][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2359.329109][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2359.329109][ T74] netlink_rcv_skb+0x130/0x360 [ 2359.329109][ T74] netlink_unicast+0x449/0x710 [ 2359.329109][ T74] netlink_sendmsg+0x723/0xbe0 [ 2359.329109][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2359.329109][ T74] ___sys_sendmsg+0xee/0x170 [ 2359.329109][ T74] __sys_sendmsg+0xcd/0x170 [ 2359.329109][ T74] do_syscall_64+0xc6/0x1e0 [ 2359.329109][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2359.329109][ T74] [ 2359.330764][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2359.330764][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2359.330764][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2359.330764][ T74] ipv6_find_idev+0x102/0x170 [ 2359.330764][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2359.330764][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2359.330764][ T74] netlink_rcv_skb+0x130/0x360 [ 2359.330764][ T74] netlink_unicast+0x449/0x710 [ 2359.330764][ T74] netlink_sendmsg+0x723/0xbe0 [ 2359.330764][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2359.330764][ T74] ___sys_sendmsg+0xee/0x170 [ 2359.330764][ T74] __sys_sendmsg+0xcd/0x170 [ 2359.330764][ T74] do_syscall_64+0xc6/0x1e0 [ 2359.330764][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2359.330764][ T74] [ 2359.332748][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2359.333000][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2359.333000][ T74] netdev_get_by_index+0x5e/0x80 [ 2359.333000][ T74] fib6_nh_init+0x3d8/0x1580 [ 2359.333000][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2359.333000][ T74] ip6_route_add+0x1c/0x140 [ 2359.333000][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2359.333000][ T74] inet6_addr_add+0x4f8/0xa40 [ 2359.333000][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2359.333000][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2359.333000][ T74] netlink_rcv_skb+0x130/0x360 [ 2359.333000][ T74] netlink_unicast+0x449/0x710 [ 2359.333000][ T74] netlink_sendmsg+0x723/0xbe0 [ 2359.333000][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2359.333000][ T74] ___sys_sendmsg+0xee/0x170 [ 2359.333000][ T74] __sys_sendmsg+0xcd/0x170 [ 2359.333000][ T74] do_syscall_64+0xc6/0x1e0 [ 2359.333000][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2359.333000][ T74] [ 2359.335256][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2359.335256][ T74] netdev_get_by_index+0x5e/0x80 [ 2359.335256][ T74] fib6_nh_init+0x3d8/0x1580 [ 2359.335256][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2359.335256][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2359.335256][ T74] ipv6_add_addr+0x411/0x2000 [ 2359.335256][ T74] inet6_addr_add+0x30e/0xa40 [ 2359.335256][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2359.335256][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2359.335256][ T74] netlink_rcv_skb+0x130/0x360 [ 2359.335256][ T74] netlink_unicast+0x449/0x710 [ 2359.335256][ T74] netlink_sendmsg+0x723/0xbe0 [ 2359.335256][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2359.335256][ T74] ___sys_sendmsg+0xee/0x170 [ 2359.335256][ T74] __sys_sendmsg+0xcd/0x170 [ 2359.335256][ T74] do_syscall_64+0xc6/0x1e0 [ 2359.335256][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2359.335256][ T74] [ 2359.337498][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2359.337498][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2359.337498][ T74] ipv6_find_idev+0x102/0x170 [ 2359.337498][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2359.337498][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2359.337498][ T74] netlink_rcv_skb+0x130/0x360 [ 2359.337498][ T74] netlink_unicast+0x449/0x710 [ 2359.337498][ T74] netlink_sendmsg+0x723/0xbe0 [ 2359.337498][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2359.337498][ T74] ___sys_sendmsg+0xee/0x170 [ 2359.337498][ T74] __sys_sendmsg+0xcd/0x170 [ 2359.337498][ T74] do_syscall_64+0xc6/0x1e0 [ 2359.337498][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2359.337498][ T74] [ 2359.339164][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2359.339164][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2359.339164][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2359.339164][ T74] ipv6_find_idev+0x102/0x170 [ 2359.339164][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2359.339164][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2359.339164][ T74] netlink_rcv_skb+0x130/0x360 [ 2359.339164][ T74] netlink_unicast+0x449/0x710 [ 2359.339164][ T74] netlink_sendmsg+0x723/0xbe0 [ 2359.339164][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2359.339164][ T74] ___sys_sendmsg+0xee/0x170 [ 2359.339164][ T74] __sys_sendmsg+0xcd/0x170 [ 2359.339164][ T74] do_syscall_64+0xc6/0x1e0 [ 2359.339164][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2359.339164][ T74] [ 2369.583937][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2369.584312][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2369.584312][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2369.584312][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2369.584312][ T74] fib6_nh_init+0xa22/0x1580 [ 2369.584312][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2369.584312][ T74] ip6_route_add+0x1c/0x140 [ 2369.584312][ T74] inet6_rtm_newroute+0x104/0x110 [ 2369.584312][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2369.584312][ T74] netlink_rcv_skb+0x130/0x360 [ 2369.584312][ T74] netlink_unicast+0x449/0x710 [ 2369.584312][ T74] netlink_sendmsg+0x723/0xbe0 [ 2369.584312][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2369.584312][ T74] ___sys_sendmsg+0xee/0x170 [ 2369.584312][ T74] __sys_sendmsg+0xcd/0x170 [ 2369.584312][ T74] do_syscall_64+0xc6/0x1e0 [ 2369.584312][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2369.584312][ T74] [ 2369.586253][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2369.586253][ T74] netdev_get_by_index+0x5e/0x80 [ 2369.586253][ T74] fib6_nh_init+0x3d8/0x1580 [ 2369.586253][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2369.586253][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2369.586253][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2369.586253][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2369.586253][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2369.586253][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2369.586253][ T74] addrconf_dad_begin+0x310/0x670 [ 2369.586253][ T74] addrconf_dad_work+0x10b/0xab0 [ 2369.586253][ T74] process_one_work+0x84d/0x18a0 [ 2369.586253][ T74] worker_thread+0x587/0xd30 [ 2369.586253][ T74] kthread+0x28a/0x350 [ 2369.586253][ T74] ret_from_fork+0x31/0x70 [ 2369.586253][ T74] ret_from_fork_asm+0x1a/0x30 [ 2369.586253][ T74] [ 2369.588215][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2369.588215][ T74] netdev_get_by_index+0x5e/0x80 [ 2369.588215][ T74] fib6_nh_init+0x3d8/0x1580 [ 2369.588215][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2369.588215][ T74] ip6_route_add+0x1c/0x140 [ 2369.588215][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2369.588215][ T74] inet6_addr_add+0x4f8/0xa40 [ 2369.588215][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2369.588215][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2369.588215][ T74] netlink_rcv_skb+0x130/0x360 [ 2369.588215][ T74] netlink_unicast+0x449/0x710 [ 2369.588215][ T74] netlink_sendmsg+0x723/0xbe0 [ 2369.588215][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2369.588215][ T74] ___sys_sendmsg+0xee/0x170 [ 2369.588215][ T74] __sys_sendmsg+0xcd/0x170 [ 2369.588215][ T74] do_syscall_64+0xc6/0x1e0 [ 2369.588215][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2369.588215][ T74] [ 2369.590222][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2369.590222][ T74] netdev_get_by_index+0x5e/0x80 [ 2369.590222][ T74] fib6_nh_init+0x3d8/0x1580 [ 2369.590222][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2369.590222][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2369.590222][ T74] ipv6_add_addr+0x411/0x2000 [ 2369.590222][ T74] inet6_addr_add+0x30e/0xa40 [ 2369.590222][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2369.590222][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2369.590222][ T74] netlink_rcv_skb+0x130/0x360 [ 2369.590222][ T74] netlink_unicast+0x449/0x710 [ 2369.590222][ T74] netlink_sendmsg+0x723/0xbe0 [ 2369.590222][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2369.590222][ T74] ___sys_sendmsg+0xee/0x170 [ 2369.590222][ T74] __sys_sendmsg+0xcd/0x170 [ 2369.590222][ T74] do_syscall_64+0xc6/0x1e0 [ 2369.590222][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2369.590222][ T74] [ 2369.592219][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2369.592219][ T74] netdev_get_by_index+0x5e/0x80 [ 2369.592219][ T74] fib6_nh_init+0x3d8/0x1580 [ 2369.592219][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2369.592219][ T74] ip6_route_add+0x1c/0x140 [ 2369.592219][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2369.592219][ T74] addrconf_add_dev+0xe2/0x170 [ 2369.592219][ T74] inet6_addr_add+0x12f/0xa40 [ 2369.592219][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2369.592219][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2369.592219][ T74] netlink_rcv_skb+0x130/0x360 [ 2369.592219][ T74] netlink_unicast+0x449/0x710 [ 2369.592219][ T74] netlink_sendmsg+0x723/0xbe0 [ 2369.592219][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2369.592219][ T74] ___sys_sendmsg+0xee/0x170 [ 2369.592219][ T74] __sys_sendmsg+0xcd/0x170 [ 2369.592219][ T74] do_syscall_64+0xc6/0x1e0 [ 2369.592219][ T74] [ 2369.594178][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2369.594178][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2369.594178][ T74] ipv6_find_idev+0x102/0x170 [ 2369.594178][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2369.594178][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2369.594178][ T74] netlink_rcv_skb+0x130/0x360 [ 2369.594178][ T74] netlink_unicast+0x449/0x710 [ 2369.594178][ T74] netlink_sendmsg+0x723/0xbe0 [ 2369.594178][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2369.594178][ T74] ___sys_sendmsg+0xee/0x170 [ 2369.594178][ T74] __sys_sendmsg+0xcd/0x170 [ 2369.594178][ T74] do_syscall_64+0xc6/0x1e0 [ 2369.594178][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2369.594178][ T74] [ 2369.595726][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2369.595726][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2369.595726][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2369.595726][ T74] ipv6_find_idev+0x102/0x170 [ 2369.595726][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2369.595726][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2369.595726][ T74] netlink_rcv_skb+0x130/0x360 [ 2369.595726][ T74] netlink_unicast+0x449/0x710 [ 2369.595726][ T74] netlink_sendmsg+0x723/0xbe0 [ 2369.595726][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2369.595726][ T74] ___sys_sendmsg+0xee/0x170 [ 2369.595726][ T74] __sys_sendmsg+0xcd/0x170 [ 2369.595726][ T74] do_syscall_64+0xc6/0x1e0 [ 2369.595726][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2369.595726][ T74] [ 2369.597420][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2369.597696][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2369.597696][ T74] dst_init+0x84/0x4a0 [ 2369.597696][ T74] dst_alloc+0x97/0x150 [ 2369.597696][ T74] ip6_dst_alloc+0x23/0x90 [ 2369.597696][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2369.597696][ T74] ip6_pol_route+0x56f/0x840 [ 2369.597696][ T74] fib6_rule_lookup+0x456/0x630 [ 2369.597696][ T74] ip6_route_input+0x59c/0xa50 [ 2369.597696][ T74] ipv6_rcv+0x397/0x810 [ 2369.597696][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2369.597696][ T74] process_backlog+0x101/0x620 [ 2369.597696][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2369.597696][ T74] net_rx_action+0x495/0xbe0 [ 2369.597696][ T74] __do_softirq+0x1b5/0x7f6 [ 2369.597696][ T74] [ 2369.599327][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2369.599327][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2369.599327][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2369.599327][ T74] fib6_nh_init+0xa22/0x1580 [ 2369.599327][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2369.599327][ T74] ip6_route_add+0x1c/0x140 [ 2369.599327][ T74] inet6_rtm_newroute+0x104/0x110 [ 2369.599327][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2369.599327][ T74] netlink_rcv_skb+0x130/0x360 [ 2369.599327][ T74] netlink_unicast+0x449/0x710 [ 2369.599327][ T74] netlink_sendmsg+0x723/0xbe0 [ 2369.599327][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2369.599327][ T74] ___sys_sendmsg+0xee/0x170 [ 2369.599327][ T74] __sys_sendmsg+0xcd/0x170 [ 2369.599327][ T74] do_syscall_64+0xc6/0x1e0 [ 2369.599327][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2369.599327][ T74] [ 2369.601194][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2369.601194][ T74] netdev_get_by_index+0x5e/0x80 [ 2369.601194][ T74] fib6_nh_init+0x3d8/0x1580 [ 2369.601194][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2369.601194][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2369.601194][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2369.601194][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2369.601194][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2369.601194][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2369.601194][ T74] addrconf_dad_begin+0x310/0x670 [ 2369.601194][ T74] addrconf_dad_work+0x10b/0xab0 [ 2369.601194][ T74] process_one_work+0x84d/0x18a0 [ 2369.601194][ T74] worker_thread+0x587/0xd30 [ 2369.601194][ T74] kthread+0x28a/0x350 [ 2369.601194][ T74] ret_from_fork+0x31/0x70 [ 2369.601194][ T74] ret_from_fork_asm+0x1a/0x30 [ 2369.601194][ T74] [ 2369.603096][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2369.603096][ T74] netdev_get_by_index+0x5e/0x80 [ 2369.603096][ T74] fib6_nh_init+0x3d8/0x1580 [ 2369.603096][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2369.603096][ T74] ip6_route_add+0x1c/0x140 [ 2369.603096][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2369.603096][ T74] inet6_addr_add+0x4f8/0xa40 [ 2369.603096][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2369.603096][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2369.603096][ T74] netlink_rcv_skb+0x130/0x360 [ 2369.603096][ T74] netlink_unicast+0x449/0x710 [ 2369.603096][ T74] netlink_sendmsg+0x723/0xbe0 [ 2369.603096][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2369.603096][ T74] ___sys_sendmsg+0xee/0x170 [ 2369.603096][ T74] __sys_sendmsg+0xcd/0x170 [ 2369.603096][ T74] do_syscall_64+0xc6/0x1e0 [ 2369.603096][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2369.603096][ T74] [ 2369.605086][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2369.605086][ T74] netdev_get_by_index+0x5e/0x80 [ 2369.605086][ T74] fib6_nh_init+0x3d8/0x1580 [ 2369.605086][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2369.605086][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2369.605086][ T74] ipv6_add_addr+0x411/0x2000 [ 2369.605086][ T74] inet6_addr_add+0x30e/0xa40 [ 2369.605086][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2369.605086][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2369.605086][ T74] netlink_rcv_skb+0x130/0x360 [ 2369.605086][ T74] netlink_unicast+0x449/0x710 [ 2369.605086][ T74] netlink_sendmsg+0x723/0xbe0 [ 2369.605086][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2369.605086][ T74] ___sys_sendmsg+0xee/0x170 [ 2369.605086][ T74] __sys_sendmsg+0xcd/0x170 [ 2369.605086][ T74] do_syscall_64+0xc6/0x1e0 [ 2369.605086][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2369.605086][ T74] [ 2369.607081][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2369.607081][ T74] netdev_get_by_index+0x5e/0x80 [ 2369.607081][ T74] fib6_nh_init+0x3d8/0x1580 [ 2369.607081][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2369.607081][ T74] ip6_route_add+0x1c/0x140 [ 2369.607081][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2369.607081][ T74] addrconf_add_dev+0xe2/0x170 [ 2369.607081][ T74] inet6_addr_add+0x12f/0xa40 [ 2369.607081][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2369.607081][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2369.607081][ T74] netlink_rcv_skb+0x130/0x360 [ 2369.607081][ T74] netlink_unicast+0x449/0x710 [ 2369.607081][ T74] netlink_sendmsg+0x723/0xbe0 [ 2369.607081][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2369.607081][ T74] ___sys_sendmsg+0xee/0x170 [ 2369.607081][ T74] __sys_sendmsg+0xcd/0x170 [ 2369.607081][ T74] do_syscall_64+0xc6/0x1e0 [ 2369.607081][ T74] [ 2369.609060][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2369.609060][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2369.609060][ T74] ipv6_find_idev+0x102/0x170 [ 2369.609060][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2369.609060][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2369.609060][ T74] netlink_rcv_skb+0x130/0x360 [ 2369.609060][ T74] netlink_unicast+0x449/0x710 [ 2369.609060][ T74] netlink_sendmsg+0x723/0xbe0 [ 2369.609060][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2369.609060][ T74] ___sys_sendmsg+0xee/0x170 [ 2369.609060][ T74] __sys_sendmsg+0xcd/0x170 [ 2369.609060][ T74] do_syscall_64+0xc6/0x1e0 [ 2369.609060][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2369.609060][ T74] [ 2369.610716][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2369.610716][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2369.610716][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2369.610716][ T74] ipv6_find_idev+0x102/0x170 [ 2369.610716][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2369.610716][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2369.610716][ T74] netlink_rcv_skb+0x130/0x360 [ 2369.610716][ T74] netlink_unicast+0x449/0x710 [ 2369.610716][ T74] netlink_sendmsg+0x723/0xbe0 [ 2369.610716][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2369.610716][ T74] ___sys_sendmsg+0xee/0x170 [ 2369.610716][ T74] __sys_sendmsg+0xcd/0x170 [ 2369.610716][ T74] do_syscall_64+0xc6/0x1e0 [ 2369.610716][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2369.610716][ T74] [ 2369.612704][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2369.612962][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2369.612962][ T74] netdev_get_by_index+0x5e/0x80 [ 2369.612962][ T74] fib6_nh_init+0x3d8/0x1580 [ 2369.612962][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2369.612962][ T74] ip6_route_add+0x1c/0x140 [ 2369.612962][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2369.612962][ T74] inet6_addr_add+0x4f8/0xa40 [ 2369.612962][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2369.612962][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2369.612962][ T74] netlink_rcv_skb+0x130/0x360 [ 2369.612962][ T74] netlink_unicast+0x449/0x710 [ 2369.612962][ T74] netlink_sendmsg+0x723/0xbe0 [ 2369.612962][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2369.612962][ T74] ___sys_sendmsg+0xee/0x170 [ 2369.612962][ T74] __sys_sendmsg+0xcd/0x170 [ 2369.612962][ T74] do_syscall_64+0xc6/0x1e0 [ 2369.612962][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2369.612962][ T74] [ 2369.615201][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2369.615201][ T74] netdev_get_by_index+0x5e/0x80 [ 2369.615201][ T74] fib6_nh_init+0x3d8/0x1580 [ 2369.615201][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2369.615201][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2369.615201][ T74] ipv6_add_addr+0x411/0x2000 [ 2369.615201][ T74] inet6_addr_add+0x30e/0xa40 [ 2369.615201][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2369.615201][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2369.615201][ T74] netlink_rcv_skb+0x130/0x360 [ 2369.615201][ T74] netlink_unicast+0x449/0x710 [ 2369.615201][ T74] netlink_sendmsg+0x723/0xbe0 [ 2369.615201][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2369.615201][ T74] ___sys_sendmsg+0xee/0x170 [ 2369.615201][ T74] __sys_sendmsg+0xcd/0x170 [ 2369.615201][ T74] do_syscall_64+0xc6/0x1e0 [ 2369.615201][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2369.615201][ T74] [ 2369.617442][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2369.617442][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2369.617442][ T74] ipv6_find_idev+0x102/0x170 [ 2369.617442][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2369.617442][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2369.617442][ T74] netlink_rcv_skb+0x130/0x360 [ 2369.617442][ T74] netlink_unicast+0x449/0x710 [ 2369.617442][ T74] netlink_sendmsg+0x723/0xbe0 [ 2369.617442][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2369.617442][ T74] ___sys_sendmsg+0xee/0x170 [ 2369.617442][ T74] __sys_sendmsg+0xcd/0x170 [ 2369.617442][ T74] do_syscall_64+0xc6/0x1e0 [ 2369.617442][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2369.617442][ T74] [ 2369.619104][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2369.619104][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2369.619104][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2369.619104][ T74] ipv6_find_idev+0x102/0x170 [ 2369.619104][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2369.619104][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2369.619104][ T74] netlink_rcv_skb+0x130/0x360 [ 2369.619104][ T74] netlink_unicast+0x449/0x710 [ 2369.619104][ T74] netlink_sendmsg+0x723/0xbe0 [ 2369.619104][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2369.619104][ T74] ___sys_sendmsg+0xee/0x170 [ 2369.619104][ T74] __sys_sendmsg+0xcd/0x170 [ 2369.619104][ T74] do_syscall_64+0xc6/0x1e0 [ 2369.619104][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2369.619104][ T74] [ 2379.864011][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2379.864457][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2379.864457][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2379.864457][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2379.864457][ T74] fib6_nh_init+0xa22/0x1580 [ 2379.864457][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2379.864457][ T74] ip6_route_add+0x1c/0x140 [ 2379.864457][ T74] inet6_rtm_newroute+0x104/0x110 [ 2379.864457][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2379.864457][ T74] netlink_rcv_skb+0x130/0x360 [ 2379.864457][ T74] netlink_unicast+0x449/0x710 [ 2379.864457][ T74] netlink_sendmsg+0x723/0xbe0 [ 2379.864457][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2379.864457][ T74] ___sys_sendmsg+0xee/0x170 [ 2379.864457][ T74] __sys_sendmsg+0xcd/0x170 [ 2379.864457][ T74] do_syscall_64+0xc6/0x1e0 [ 2379.864457][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2379.864457][ T74] [ 2379.866377][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2379.866377][ T74] netdev_get_by_index+0x5e/0x80 [ 2379.866377][ T74] fib6_nh_init+0x3d8/0x1580 [ 2379.866377][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2379.866377][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2379.866377][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2379.866377][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2379.866377][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2379.866377][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2379.866377][ T74] addrconf_dad_begin+0x310/0x670 [ 2379.866377][ T74] addrconf_dad_work+0x10b/0xab0 [ 2379.866377][ T74] process_one_work+0x84d/0x18a0 [ 2379.866377][ T74] worker_thread+0x587/0xd30 [ 2379.866377][ T74] kthread+0x28a/0x350 [ 2379.866377][ T74] ret_from_fork+0x31/0x70 [ 2379.866377][ T74] ret_from_fork_asm+0x1a/0x30 [ 2379.866377][ T74] [ 2379.868302][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2379.868302][ T74] netdev_get_by_index+0x5e/0x80 [ 2379.868302][ T74] fib6_nh_init+0x3d8/0x1580 [ 2379.868302][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2379.868302][ T74] ip6_route_add+0x1c/0x140 [ 2379.868302][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2379.868302][ T74] inet6_addr_add+0x4f8/0xa40 [ 2379.868302][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2379.868302][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2379.868302][ T74] netlink_rcv_skb+0x130/0x360 [ 2379.868302][ T74] netlink_unicast+0x449/0x710 [ 2379.868302][ T74] netlink_sendmsg+0x723/0xbe0 [ 2379.868302][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2379.868302][ T74] ___sys_sendmsg+0xee/0x170 [ 2379.868302][ T74] __sys_sendmsg+0xcd/0x170 [ 2379.868302][ T74] do_syscall_64+0xc6/0x1e0 [ 2379.868302][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2379.868302][ T74] [ 2379.870299][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2379.870299][ T74] netdev_get_by_index+0x5e/0x80 [ 2379.870299][ T74] fib6_nh_init+0x3d8/0x1580 [ 2379.870299][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2379.870299][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2379.870299][ T74] ipv6_add_addr+0x411/0x2000 [ 2379.870299][ T74] inet6_addr_add+0x30e/0xa40 [ 2379.870299][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2379.870299][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2379.870299][ T74] netlink_rcv_skb+0x130/0x360 [ 2379.870299][ T74] netlink_unicast+0x449/0x710 [ 2379.870299][ T74] netlink_sendmsg+0x723/0xbe0 [ 2379.870299][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2379.870299][ T74] ___sys_sendmsg+0xee/0x170 [ 2379.870299][ T74] __sys_sendmsg+0xcd/0x170 [ 2379.870299][ T74] do_syscall_64+0xc6/0x1e0 [ 2379.870299][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2379.870299][ T74] [ 2379.872299][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2379.872299][ T74] netdev_get_by_index+0x5e/0x80 [ 2379.872299][ T74] fib6_nh_init+0x3d8/0x1580 [ 2379.872299][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2379.872299][ T74] ip6_route_add+0x1c/0x140 [ 2379.872299][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2379.872299][ T74] addrconf_add_dev+0xe2/0x170 [ 2379.872299][ T74] inet6_addr_add+0x12f/0xa40 [ 2379.872299][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2379.872299][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2379.872299][ T74] netlink_rcv_skb+0x130/0x360 [ 2379.872299][ T74] netlink_unicast+0x449/0x710 [ 2379.872299][ T74] netlink_sendmsg+0x723/0xbe0 [ 2379.872299][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2379.872299][ T74] ___sys_sendmsg+0xee/0x170 [ 2379.872299][ T74] __sys_sendmsg+0xcd/0x170 [ 2379.872299][ T74] do_syscall_64+0xc6/0x1e0 [ 2379.872299][ T74] [ 2379.874273][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2379.874273][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2379.874273][ T74] ipv6_find_idev+0x102/0x170 [ 2379.874273][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2379.874273][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2379.874273][ T74] netlink_rcv_skb+0x130/0x360 [ 2379.874273][ T74] netlink_unicast+0x449/0x710 [ 2379.874273][ T74] netlink_sendmsg+0x723/0xbe0 [ 2379.874273][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2379.874273][ T74] ___sys_sendmsg+0xee/0x170 [ 2379.874273][ T74] __sys_sendmsg+0xcd/0x170 [ 2379.874273][ T74] do_syscall_64+0xc6/0x1e0 [ 2379.874273][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2379.874273][ T74] [ 2379.875811][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2379.875811][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2379.875811][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2379.875811][ T74] ipv6_find_idev+0x102/0x170 [ 2379.875811][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2379.875811][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2379.875811][ T74] netlink_rcv_skb+0x130/0x360 [ 2379.875811][ T74] netlink_unicast+0x449/0x710 [ 2379.875811][ T74] netlink_sendmsg+0x723/0xbe0 [ 2379.875811][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2379.875811][ T74] ___sys_sendmsg+0xee/0x170 [ 2379.875811][ T74] __sys_sendmsg+0xcd/0x170 [ 2379.875811][ T74] do_syscall_64+0xc6/0x1e0 [ 2379.875811][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2379.875811][ T74] [ 2379.877519][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2379.877787][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2379.877787][ T74] dst_init+0x84/0x4a0 [ 2379.877787][ T74] dst_alloc+0x97/0x150 [ 2379.877787][ T74] ip6_dst_alloc+0x23/0x90 [ 2379.877787][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2379.877787][ T74] ip6_pol_route+0x56f/0x840 [ 2379.877787][ T74] fib6_rule_lookup+0x456/0x630 [ 2379.877787][ T74] ip6_route_input+0x59c/0xa50 [ 2379.877787][ T74] ipv6_rcv+0x397/0x810 [ 2379.877787][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2379.877787][ T74] process_backlog+0x101/0x620 [ 2379.877787][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2379.877787][ T74] net_rx_action+0x495/0xbe0 [ 2379.877787][ T74] __do_softirq+0x1b5/0x7f6 [ 2379.877787][ T74] [ 2379.879472][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2379.879472][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2379.879472][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2379.879472][ T74] fib6_nh_init+0xa22/0x1580 [ 2379.879472][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2379.879472][ T74] ip6_route_add+0x1c/0x140 [ 2379.879472][ T74] inet6_rtm_newroute+0x104/0x110 [ 2379.879472][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2379.879472][ T74] netlink_rcv_skb+0x130/0x360 [ 2379.879472][ T74] netlink_unicast+0x449/0x710 [ 2379.879472][ T74] netlink_sendmsg+0x723/0xbe0 [ 2379.879472][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2379.879472][ T74] ___sys_sendmsg+0xee/0x170 [ 2379.879472][ T74] __sys_sendmsg+0xcd/0x170 [ 2379.879472][ T74] do_syscall_64+0xc6/0x1e0 [ 2379.879472][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2379.879472][ T74] [ 2379.881373][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2379.881373][ T74] netdev_get_by_index+0x5e/0x80 [ 2379.881373][ T74] fib6_nh_init+0x3d8/0x1580 [ 2379.881373][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2379.881373][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2379.881373][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2379.881373][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2379.881373][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2379.881373][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2379.881373][ T74] addrconf_dad_begin+0x310/0x670 [ 2379.881373][ T74] addrconf_dad_work+0x10b/0xab0 [ 2379.881373][ T74] process_one_work+0x84d/0x18a0 [ 2379.881373][ T74] worker_thread+0x587/0xd30 [ 2379.881373][ T74] kthread+0x28a/0x350 [ 2379.881373][ T74] ret_from_fork+0x31/0x70 [ 2379.881373][ T74] ret_from_fork_asm+0x1a/0x30 [ 2379.881373][ T74] [ 2379.883664][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2379.883664][ T74] netdev_get_by_index+0x5e/0x80 [ 2379.883664][ T74] fib6_nh_init+0x3d8/0x1580 [ 2379.883664][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2379.883664][ T74] ip6_route_add+0x1c/0x140 [ 2379.883664][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2379.883664][ T74] inet6_addr_add+0x4f8/0xa40 [ 2379.883664][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2379.883664][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2379.883664][ T74] netlink_rcv_skb+0x130/0x360 [ 2379.883664][ T74] netlink_unicast+0x449/0x710 [ 2379.883664][ T74] netlink_sendmsg+0x723/0xbe0 [ 2379.883664][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2379.883664][ T74] ___sys_sendmsg+0xee/0x170 [ 2379.883664][ T74] __sys_sendmsg+0xcd/0x170 [ 2379.883664][ T74] do_syscall_64+0xc6/0x1e0 [ 2379.883664][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2379.883664][ T74] [ 2379.885670][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2379.885670][ T74] netdev_get_by_index+0x5e/0x80 [ 2379.885670][ T74] fib6_nh_init+0x3d8/0x1580 [ 2379.885670][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2379.885670][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2379.885670][ T74] ipv6_add_addr+0x411/0x2000 [ 2379.885670][ T74] inet6_addr_add+0x30e/0xa40 [ 2379.885670][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2379.885670][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2379.885670][ T74] netlink_rcv_skb+0x130/0x360 [ 2379.885670][ T74] netlink_unicast+0x449/0x710 [ 2379.885670][ T74] netlink_sendmsg+0x723/0xbe0 [ 2379.885670][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2379.885670][ T74] ___sys_sendmsg+0xee/0x170 [ 2379.885670][ T74] __sys_sendmsg+0xcd/0x170 [ 2379.885670][ T74] do_syscall_64+0xc6/0x1e0 [ 2379.885670][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2379.885670][ T74] [ 2379.887675][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2379.887675][ T74] netdev_get_by_index+0x5e/0x80 [ 2379.887675][ T74] fib6_nh_init+0x3d8/0x1580 [ 2379.887675][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2379.887675][ T74] ip6_route_add+0x1c/0x140 [ 2379.887675][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2379.887675][ T74] addrconf_add_dev+0xe2/0x170 [ 2379.887675][ T74] inet6_addr_add+0x12f/0xa40 [ 2379.887675][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2379.887675][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2379.887675][ T74] netlink_rcv_skb+0x130/0x360 [ 2379.887675][ T74] netlink_unicast+0x449/0x710 [ 2379.887675][ T74] netlink_sendmsg+0x723/0xbe0 [ 2379.887675][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2379.887675][ T74] ___sys_sendmsg+0xee/0x170 [ 2379.887675][ T74] __sys_sendmsg+0xcd/0x170 [ 2379.887675][ T74] do_syscall_64+0xc6/0x1e0 [ 2379.887675][ T74] [ 2379.889729][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2379.889729][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2379.889729][ T74] ipv6_find_idev+0x102/0x170 [ 2379.889729][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2379.889729][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2379.889729][ T74] netlink_rcv_skb+0x130/0x360 [ 2379.889729][ T74] netlink_unicast+0x449/0x710 [ 2379.889729][ T74] netlink_sendmsg+0x723/0xbe0 [ 2379.889729][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2379.889729][ T74] ___sys_sendmsg+0xee/0x170 [ 2379.889729][ T74] __sys_sendmsg+0xcd/0x170 [ 2379.889729][ T74] do_syscall_64+0xc6/0x1e0 [ 2379.889729][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2379.889729][ T74] [ 2379.891453][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2379.891453][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2379.891453][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2379.891453][ T74] ipv6_find_idev+0x102/0x170 [ 2379.891453][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2379.891453][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2379.891453][ T74] netlink_rcv_skb+0x130/0x360 [ 2379.891453][ T74] netlink_unicast+0x449/0x710 [ 2379.891453][ T74] netlink_sendmsg+0x723/0xbe0 [ 2379.891453][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2379.891453][ T74] ___sys_sendmsg+0xee/0x170 [ 2379.891453][ T74] __sys_sendmsg+0xcd/0x170 [ 2379.891453][ T74] do_syscall_64+0xc6/0x1e0 [ 2379.891453][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2379.891453][ T74] [ 2379.893370][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2379.893605][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2379.893605][ T74] netdev_get_by_index+0x5e/0x80 [ 2379.893605][ T74] fib6_nh_init+0x3d8/0x1580 [ 2379.893605][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2379.893605][ T74] ip6_route_add+0x1c/0x140 [ 2379.893605][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2379.893605][ T74] inet6_addr_add+0x4f8/0xa40 [ 2379.893605][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2379.893605][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2379.893605][ T74] netlink_rcv_skb+0x130/0x360 [ 2379.893605][ T74] netlink_unicast+0x449/0x710 [ 2379.893605][ T74] netlink_sendmsg+0x723/0xbe0 [ 2379.893605][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2379.893605][ T74] ___sys_sendmsg+0xee/0x170 [ 2379.893605][ T74] __sys_sendmsg+0xcd/0x170 [ 2379.893605][ T74] do_syscall_64+0xc6/0x1e0 [ 2379.893605][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2379.893605][ T74] [ 2379.895850][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2379.895850][ T74] netdev_get_by_index+0x5e/0x80 [ 2379.895850][ T74] fib6_nh_init+0x3d8/0x1580 [ 2379.895850][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2379.895850][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2379.895850][ T74] ipv6_add_addr+0x411/0x2000 [ 2379.895850][ T74] inet6_addr_add+0x30e/0xa40 [ 2379.895850][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2379.895850][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2379.895850][ T74] netlink_rcv_skb+0x130/0x360 [ 2379.895850][ T74] netlink_unicast+0x449/0x710 [ 2379.895850][ T74] netlink_sendmsg+0x723/0xbe0 [ 2379.895850][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2379.895850][ T74] ___sys_sendmsg+0xee/0x170 [ 2379.895850][ T74] __sys_sendmsg+0xcd/0x170 [ 2379.895850][ T74] do_syscall_64+0xc6/0x1e0 [ 2379.895850][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2379.895850][ T74] [ 2379.898080][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2379.898080][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2379.898080][ T74] ipv6_find_idev+0x102/0x170 [ 2379.898080][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2379.898080][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2379.898080][ T74] netlink_rcv_skb+0x130/0x360 [ 2379.898080][ T74] netlink_unicast+0x449/0x710 [ 2379.898080][ T74] netlink_sendmsg+0x723/0xbe0 [ 2379.898080][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2379.898080][ T74] ___sys_sendmsg+0xee/0x170 [ 2379.898080][ T74] __sys_sendmsg+0xcd/0x170 [ 2379.898080][ T74] do_syscall_64+0xc6/0x1e0 [ 2379.898080][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2379.898080][ T74] [ 2379.899743][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2379.899743][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2379.899743][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2379.899743][ T74] ipv6_find_idev+0x102/0x170 [ 2379.899743][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2379.899743][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2379.899743][ T74] netlink_rcv_skb+0x130/0x360 [ 2379.899743][ T74] netlink_unicast+0x449/0x710 [ 2379.899743][ T74] netlink_sendmsg+0x723/0xbe0 [ 2379.899743][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2379.899743][ T74] ___sys_sendmsg+0xee/0x170 [ 2379.899743][ T74] __sys_sendmsg+0xcd/0x170 [ 2379.899743][ T74] do_syscall_64+0xc6/0x1e0 [ 2379.899743][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2379.899743][ T74] [ 2390.143974][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2390.144416][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2390.144416][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2390.144416][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2390.144416][ T74] fib6_nh_init+0xa22/0x1580 [ 2390.144416][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2390.144416][ T74] ip6_route_add+0x1c/0x140 [ 2390.144416][ T74] inet6_rtm_newroute+0x104/0x110 [ 2390.144416][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2390.144416][ T74] netlink_rcv_skb+0x130/0x360 [ 2390.144416][ T74] netlink_unicast+0x449/0x710 [ 2390.144416][ T74] netlink_sendmsg+0x723/0xbe0 [ 2390.144416][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2390.144416][ T74] ___sys_sendmsg+0xee/0x170 [ 2390.144416][ T74] __sys_sendmsg+0xcd/0x170 [ 2390.144416][ T74] do_syscall_64+0xc6/0x1e0 [ 2390.144416][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2390.144416][ T74] [ 2390.146352][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2390.146352][ T74] netdev_get_by_index+0x5e/0x80 [ 2390.146352][ T74] fib6_nh_init+0x3d8/0x1580 [ 2390.146352][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2390.146352][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2390.146352][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2390.146352][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2390.146352][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2390.146352][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2390.146352][ T74] addrconf_dad_begin+0x310/0x670 [ 2390.146352][ T74] addrconf_dad_work+0x10b/0xab0 [ 2390.146352][ T74] process_one_work+0x84d/0x18a0 [ 2390.146352][ T74] worker_thread+0x587/0xd30 [ 2390.146352][ T74] kthread+0x28a/0x350 [ 2390.146352][ T74] ret_from_fork+0x31/0x70 [ 2390.146352][ T74] ret_from_fork_asm+0x1a/0x30 [ 2390.146352][ T74] [ 2390.148333][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2390.148333][ T74] netdev_get_by_index+0x5e/0x80 [ 2390.148333][ T74] fib6_nh_init+0x3d8/0x1580 [ 2390.148333][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2390.148333][ T74] ip6_route_add+0x1c/0x140 [ 2390.148333][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2390.148333][ T74] inet6_addr_add+0x4f8/0xa40 [ 2390.148333][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2390.148333][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2390.148333][ T74] netlink_rcv_skb+0x130/0x360 [ 2390.148333][ T74] netlink_unicast+0x449/0x710 [ 2390.148333][ T74] netlink_sendmsg+0x723/0xbe0 [ 2390.148333][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2390.148333][ T74] ___sys_sendmsg+0xee/0x170 [ 2390.148333][ T74] __sys_sendmsg+0xcd/0x170 [ 2390.148333][ T74] do_syscall_64+0xc6/0x1e0 [ 2390.148333][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2390.148333][ T74] [ 2390.150360][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2390.150360][ T74] netdev_get_by_index+0x5e/0x80 [ 2390.150360][ T74] fib6_nh_init+0x3d8/0x1580 [ 2390.150360][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2390.150360][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2390.150360][ T74] ipv6_add_addr+0x411/0x2000 [ 2390.150360][ T74] inet6_addr_add+0x30e/0xa40 [ 2390.150360][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2390.150360][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2390.150360][ T74] netlink_rcv_skb+0x130/0x360 [ 2390.150360][ T74] netlink_unicast+0x449/0x710 [ 2390.150360][ T74] netlink_sendmsg+0x723/0xbe0 [ 2390.150360][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2390.150360][ T74] ___sys_sendmsg+0xee/0x170 [ 2390.150360][ T74] __sys_sendmsg+0xcd/0x170 [ 2390.150360][ T74] do_syscall_64+0xc6/0x1e0 [ 2390.150360][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2390.150360][ T74] [ 2390.152376][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2390.152376][ T74] netdev_get_by_index+0x5e/0x80 [ 2390.152376][ T74] fib6_nh_init+0x3d8/0x1580 [ 2390.152376][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2390.152376][ T74] ip6_route_add+0x1c/0x140 [ 2390.152376][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2390.152376][ T74] addrconf_add_dev+0xe2/0x170 [ 2390.152376][ T74] inet6_addr_add+0x12f/0xa40 [ 2390.152376][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2390.152376][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2390.152376][ T74] netlink_rcv_skb+0x130/0x360 [ 2390.152376][ T74] netlink_unicast+0x449/0x710 [ 2390.152376][ T74] netlink_sendmsg+0x723/0xbe0 [ 2390.152376][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2390.152376][ T74] ___sys_sendmsg+0xee/0x170 [ 2390.152376][ T74] __sys_sendmsg+0xcd/0x170 [ 2390.152376][ T74] do_syscall_64+0xc6/0x1e0 [ 2390.152376][ T74] [ 2390.154374][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2390.154374][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2390.154374][ T74] ipv6_find_idev+0x102/0x170 [ 2390.154374][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2390.154374][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2390.154374][ T74] netlink_rcv_skb+0x130/0x360 [ 2390.154374][ T74] netlink_unicast+0x449/0x710 [ 2390.154374][ T74] netlink_sendmsg+0x723/0xbe0 [ 2390.154374][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2390.154374][ T74] ___sys_sendmsg+0xee/0x170 [ 2390.154374][ T74] __sys_sendmsg+0xcd/0x170 [ 2390.154374][ T74] do_syscall_64+0xc6/0x1e0 [ 2390.154374][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2390.154374][ T74] [ 2390.155936][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2390.155936][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2390.155936][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2390.155936][ T74] ipv6_find_idev+0x102/0x170 [ 2390.155936][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2390.155936][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2390.155936][ T74] netlink_rcv_skb+0x130/0x360 [ 2390.155936][ T74] netlink_unicast+0x449/0x710 [ 2390.155936][ T74] netlink_sendmsg+0x723/0xbe0 [ 2390.155936][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2390.155936][ T74] ___sys_sendmsg+0xee/0x170 [ 2390.155936][ T74] __sys_sendmsg+0xcd/0x170 [ 2390.155936][ T74] do_syscall_64+0xc6/0x1e0 [ 2390.155936][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2390.155936][ T74] [ 2390.157642][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2390.157927][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2390.157927][ T74] dst_init+0x84/0x4a0 [ 2390.157927][ T74] dst_alloc+0x97/0x150 [ 2390.157927][ T74] ip6_dst_alloc+0x23/0x90 [ 2390.157927][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2390.157927][ T74] ip6_pol_route+0x56f/0x840 [ 2390.157927][ T74] fib6_rule_lookup+0x456/0x630 [ 2390.157927][ T74] ip6_route_input+0x59c/0xa50 [ 2390.157927][ T74] ipv6_rcv+0x397/0x810 [ 2390.157927][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2390.157927][ T74] process_backlog+0x101/0x620 [ 2390.157927][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2390.157927][ T74] net_rx_action+0x495/0xbe0 [ 2390.157927][ T74] __do_softirq+0x1b5/0x7f6 [ 2390.157927][ T74] [ 2390.159572][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2390.159572][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2390.159572][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2390.159572][ T74] fib6_nh_init+0xa22/0x1580 [ 2390.159572][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2390.159572][ T74] ip6_route_add+0x1c/0x140 [ 2390.159572][ T74] inet6_rtm_newroute+0x104/0x110 [ 2390.159572][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2390.159572][ T74] netlink_rcv_skb+0x130/0x360 [ 2390.159572][ T74] netlink_unicast+0x449/0x710 [ 2390.159572][ T74] netlink_sendmsg+0x723/0xbe0 [ 2390.159572][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2390.159572][ T74] ___sys_sendmsg+0xee/0x170 [ 2390.159572][ T74] __sys_sendmsg+0xcd/0x170 [ 2390.159572][ T74] do_syscall_64+0xc6/0x1e0 [ 2390.159572][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2390.159572][ T74] [ 2390.161461][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2390.161461][ T74] netdev_get_by_index+0x5e/0x80 [ 2390.161461][ T74] fib6_nh_init+0x3d8/0x1580 [ 2390.161461][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2390.161461][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2390.161461][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2390.161461][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2390.161461][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2390.161461][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2390.161461][ T74] addrconf_dad_begin+0x310/0x670 [ 2390.161461][ T74] addrconf_dad_work+0x10b/0xab0 [ 2390.161461][ T74] process_one_work+0x84d/0x18a0 [ 2390.161461][ T74] worker_thread+0x587/0xd30 [ 2390.161461][ T74] kthread+0x28a/0x350 [ 2390.161461][ T74] ret_from_fork+0x31/0x70 [ 2390.161461][ T74] ret_from_fork_asm+0x1a/0x30 [ 2390.161461][ T74] [ 2390.163380][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2390.163380][ T74] netdev_get_by_index+0x5e/0x80 [ 2390.163380][ T74] fib6_nh_init+0x3d8/0x1580 [ 2390.163380][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2390.163380][ T74] ip6_route_add+0x1c/0x140 [ 2390.163380][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2390.163380][ T74] inet6_addr_add+0x4f8/0xa40 [ 2390.163380][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2390.163380][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2390.163380][ T74] netlink_rcv_skb+0x130/0x360 [ 2390.163380][ T74] netlink_unicast+0x449/0x710 [ 2390.163380][ T74] netlink_sendmsg+0x723/0xbe0 [ 2390.163380][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2390.163380][ T74] ___sys_sendmsg+0xee/0x170 [ 2390.163380][ T74] __sys_sendmsg+0xcd/0x170 [ 2390.163380][ T74] do_syscall_64+0xc6/0x1e0 [ 2390.163380][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2390.163380][ T74] [ 2390.165402][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2390.165402][ T74] netdev_get_by_index+0x5e/0x80 [ 2390.165402][ T74] fib6_nh_init+0x3d8/0x1580 [ 2390.165402][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2390.165402][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2390.165402][ T74] ipv6_add_addr+0x411/0x2000 [ 2390.165402][ T74] inet6_addr_add+0x30e/0xa40 [ 2390.165402][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2390.165402][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2390.165402][ T74] netlink_rcv_skb+0x130/0x360 [ 2390.165402][ T74] netlink_unicast+0x449/0x710 [ 2390.165402][ T74] netlink_sendmsg+0x723/0xbe0 [ 2390.165402][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2390.165402][ T74] ___sys_sendmsg+0xee/0x170 [ 2390.165402][ T74] __sys_sendmsg+0xcd/0x170 [ 2390.165402][ T74] do_syscall_64+0xc6/0x1e0 [ 2390.165402][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2390.165402][ T74] [ 2390.167415][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2390.167415][ T74] netdev_get_by_index+0x5e/0x80 [ 2390.167415][ T74] fib6_nh_init+0x3d8/0x1580 [ 2390.167415][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2390.167415][ T74] ip6_route_add+0x1c/0x140 [ 2390.167415][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2390.167415][ T74] addrconf_add_dev+0xe2/0x170 [ 2390.167415][ T74] inet6_addr_add+0x12f/0xa40 [ 2390.167415][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2390.167415][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2390.167415][ T74] netlink_rcv_skb+0x130/0x360 [ 2390.167415][ T74] netlink_unicast+0x449/0x710 [ 2390.167415][ T74] netlink_sendmsg+0x723/0xbe0 [ 2390.167415][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2390.167415][ T74] ___sys_sendmsg+0xee/0x170 [ 2390.167415][ T74] __sys_sendmsg+0xcd/0x170 [ 2390.167415][ T74] do_syscall_64+0xc6/0x1e0 [ 2390.167415][ T74] [ 2390.169390][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2390.169390][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2390.169390][ T74] ipv6_find_idev+0x102/0x170 [ 2390.169390][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2390.169390][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2390.169390][ T74] netlink_rcv_skb+0x130/0x360 [ 2390.169390][ T74] netlink_unicast+0x449/0x710 [ 2390.169390][ T74] netlink_sendmsg+0x723/0xbe0 [ 2390.169390][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2390.169390][ T74] ___sys_sendmsg+0xee/0x170 [ 2390.169390][ T74] __sys_sendmsg+0xcd/0x170 [ 2390.169390][ T74] do_syscall_64+0xc6/0x1e0 [ 2390.169390][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2390.169390][ T74] [ 2390.171088][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2390.171088][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2390.171088][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2390.171088][ T74] ipv6_find_idev+0x102/0x170 [ 2390.171088][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2390.171088][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2390.171088][ T74] netlink_rcv_skb+0x130/0x360 [ 2390.171088][ T74] netlink_unicast+0x449/0x710 [ 2390.171088][ T74] netlink_sendmsg+0x723/0xbe0 [ 2390.171088][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2390.171088][ T74] ___sys_sendmsg+0xee/0x170 [ 2390.171088][ T74] __sys_sendmsg+0xcd/0x170 [ 2390.171088][ T74] do_syscall_64+0xc6/0x1e0 [ 2390.171088][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2390.171088][ T74] [ 2390.172912][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2390.173153][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2390.173153][ T74] netdev_get_by_index+0x5e/0x80 [ 2390.173153][ T74] fib6_nh_init+0x3d8/0x1580 [ 2390.173153][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2390.173153][ T74] ip6_route_add+0x1c/0x140 [ 2390.173153][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2390.173153][ T74] inet6_addr_add+0x4f8/0xa40 [ 2390.173153][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2390.173153][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2390.173153][ T74] netlink_rcv_skb+0x130/0x360 [ 2390.173153][ T74] netlink_unicast+0x449/0x710 [ 2390.173153][ T74] netlink_sendmsg+0x723/0xbe0 [ 2390.173153][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2390.173153][ T74] ___sys_sendmsg+0xee/0x170 [ 2390.173153][ T74] __sys_sendmsg+0xcd/0x170 [ 2390.173153][ T74] do_syscall_64+0xc6/0x1e0 [ 2390.173153][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2390.173153][ T74] [ 2390.175306][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2390.175306][ T74] netdev_get_by_index+0x5e/0x80 [ 2390.175306][ T74] fib6_nh_init+0x3d8/0x1580 [ 2390.175306][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2390.175306][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2390.175306][ T74] ipv6_add_addr+0x411/0x2000 [ 2390.175306][ T74] inet6_addr_add+0x30e/0xa40 [ 2390.175306][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2390.175306][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2390.175306][ T74] netlink_rcv_skb+0x130/0x360 [ 2390.175306][ T74] netlink_unicast+0x449/0x710 [ 2390.175306][ T74] netlink_sendmsg+0x723/0xbe0 [ 2390.175306][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2390.175306][ T74] ___sys_sendmsg+0xee/0x170 [ 2390.175306][ T74] __sys_sendmsg+0xcd/0x170 [ 2390.175306][ T74] do_syscall_64+0xc6/0x1e0 [ 2390.175306][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2390.175306][ T74] [ 2390.177452][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2390.177452][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2390.177452][ T74] ipv6_find_idev+0x102/0x170 [ 2390.177452][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2390.177452][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2390.177452][ T74] netlink_rcv_skb+0x130/0x360 [ 2390.177452][ T74] netlink_unicast+0x449/0x710 [ 2390.177452][ T74] netlink_sendmsg+0x723/0xbe0 [ 2390.177452][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2390.177452][ T74] ___sys_sendmsg+0xee/0x170 [ 2390.177452][ T74] __sys_sendmsg+0xcd/0x170 [ 2390.177452][ T74] do_syscall_64+0xc6/0x1e0 [ 2390.177452][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2390.177452][ T74] [ 2390.179063][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2390.179063][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2390.179063][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2390.179063][ T74] ipv6_find_idev+0x102/0x170 [ 2390.179063][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2390.179063][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2390.179063][ T74] netlink_rcv_skb+0x130/0x360 [ 2390.179063][ T74] netlink_unicast+0x449/0x710 [ 2390.179063][ T74] netlink_sendmsg+0x723/0xbe0 [ 2390.179063][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2390.179063][ T74] ___sys_sendmsg+0xee/0x170 [ 2390.179063][ T74] __sys_sendmsg+0xcd/0x170 [ 2390.179063][ T74] do_syscall_64+0xc6/0x1e0 [ 2390.179063][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2390.179063][ T74] [ 2400.327947][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2400.328342][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2400.328342][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2400.328342][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2400.328342][ T74] fib6_nh_init+0xa22/0x1580 [ 2400.328342][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2400.328342][ T74] ip6_route_add+0x1c/0x140 [ 2400.328342][ T74] inet6_rtm_newroute+0x104/0x110 [ 2400.328342][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2400.328342][ T74] netlink_rcv_skb+0x130/0x360 [ 2400.328342][ T74] netlink_unicast+0x449/0x710 [ 2400.328342][ T74] netlink_sendmsg+0x723/0xbe0 [ 2400.328342][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2400.328342][ T74] ___sys_sendmsg+0xee/0x170 [ 2400.328342][ T74] __sys_sendmsg+0xcd/0x170 [ 2400.328342][ T74] do_syscall_64+0xc6/0x1e0 [ 2400.328342][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2400.328342][ T74] [ 2400.330232][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2400.330232][ T74] netdev_get_by_index+0x5e/0x80 [ 2400.330232][ T74] fib6_nh_init+0x3d8/0x1580 [ 2400.330232][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2400.330232][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2400.330232][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2400.330232][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2400.330232][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2400.330232][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2400.330232][ T74] addrconf_dad_begin+0x310/0x670 [ 2400.330232][ T74] addrconf_dad_work+0x10b/0xab0 [ 2400.330232][ T74] process_one_work+0x84d/0x18a0 [ 2400.330232][ T74] worker_thread+0x587/0xd30 [ 2400.330232][ T74] kthread+0x28a/0x350 [ 2400.330232][ T74] ret_from_fork+0x31/0x70 [ 2400.330232][ T74] ret_from_fork_asm+0x1a/0x30 [ 2400.330232][ T74] [ 2400.332145][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2400.332145][ T74] netdev_get_by_index+0x5e/0x80 [ 2400.332145][ T74] fib6_nh_init+0x3d8/0x1580 [ 2400.332145][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2400.332145][ T74] ip6_route_add+0x1c/0x140 [ 2400.332145][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2400.332145][ T74] inet6_addr_add+0x4f8/0xa40 [ 2400.332145][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2400.332145][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2400.332145][ T74] netlink_rcv_skb+0x130/0x360 [ 2400.332145][ T74] netlink_unicast+0x449/0x710 [ 2400.332145][ T74] netlink_sendmsg+0x723/0xbe0 [ 2400.332145][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2400.332145][ T74] ___sys_sendmsg+0xee/0x170 [ 2400.332145][ T74] __sys_sendmsg+0xcd/0x170 [ 2400.332145][ T74] do_syscall_64+0xc6/0x1e0 [ 2400.332145][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2400.332145][ T74] [ 2400.334149][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2400.334149][ T74] netdev_get_by_index+0x5e/0x80 [ 2400.334149][ T74] fib6_nh_init+0x3d8/0x1580 [ 2400.334149][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2400.334149][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2400.334149][ T74] ipv6_add_addr+0x411/0x2000 [ 2400.334149][ T74] inet6_addr_add+0x30e/0xa40 [ 2400.334149][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2400.334149][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2400.334149][ T74] netlink_rcv_skb+0x130/0x360 [ 2400.334149][ T74] netlink_unicast+0x449/0x710 [ 2400.334149][ T74] netlink_sendmsg+0x723/0xbe0 [ 2400.334149][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2400.334149][ T74] ___sys_sendmsg+0xee/0x170 [ 2400.334149][ T74] __sys_sendmsg+0xcd/0x170 [ 2400.334149][ T74] do_syscall_64+0xc6/0x1e0 [ 2400.334149][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2400.334149][ T74] [ 2400.336155][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2400.336155][ T74] netdev_get_by_index+0x5e/0x80 [ 2400.336155][ T74] fib6_nh_init+0x3d8/0x1580 [ 2400.336155][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2400.336155][ T74] ip6_route_add+0x1c/0x140 [ 2400.336155][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2400.336155][ T74] addrconf_add_dev+0xe2/0x170 [ 2400.336155][ T74] inet6_addr_add+0x12f/0xa40 [ 2400.336155][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2400.336155][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2400.336155][ T74] netlink_rcv_skb+0x130/0x360 [ 2400.336155][ T74] netlink_unicast+0x449/0x710 [ 2400.336155][ T74] netlink_sendmsg+0x723/0xbe0 [ 2400.336155][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2400.336155][ T74] ___sys_sendmsg+0xee/0x170 [ 2400.336155][ T74] __sys_sendmsg+0xcd/0x170 [ 2400.336155][ T74] do_syscall_64+0xc6/0x1e0 [ 2400.336155][ T74] [ 2400.338142][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2400.338142][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2400.338142][ T74] ipv6_find_idev+0x102/0x170 [ 2400.338142][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2400.338142][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2400.338142][ T74] netlink_rcv_skb+0x130/0x360 [ 2400.338142][ T74] netlink_unicast+0x449/0x710 [ 2400.338142][ T74] netlink_sendmsg+0x723/0xbe0 [ 2400.338142][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2400.338142][ T74] ___sys_sendmsg+0xee/0x170 [ 2400.338142][ T74] __sys_sendmsg+0xcd/0x170 [ 2400.338142][ T74] do_syscall_64+0xc6/0x1e0 [ 2400.338142][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2400.338142][ T74] [ 2400.339678][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2400.339678][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2400.339678][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2400.339678][ T74] ipv6_find_idev+0x102/0x170 [ 2400.339678][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2400.339678][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2400.339678][ T74] netlink_rcv_skb+0x130/0x360 [ 2400.339678][ T74] netlink_unicast+0x449/0x710 [ 2400.339678][ T74] netlink_sendmsg+0x723/0xbe0 [ 2400.339678][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2400.339678][ T74] ___sys_sendmsg+0xee/0x170 [ 2400.339678][ T74] __sys_sendmsg+0xcd/0x170 [ 2400.339678][ T74] do_syscall_64+0xc6/0x1e0 [ 2400.339678][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2400.339678][ T74] [ 2400.341365][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2400.341634][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2400.341634][ T74] dst_init+0x84/0x4a0 [ 2400.341634][ T74] dst_alloc+0x97/0x150 [ 2400.341634][ T74] ip6_dst_alloc+0x23/0x90 [ 2400.341634][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2400.341634][ T74] ip6_pol_route+0x56f/0x840 [ 2400.341634][ T74] fib6_rule_lookup+0x456/0x630 [ 2400.341634][ T74] ip6_route_input+0x59c/0xa50 [ 2400.341634][ T74] ipv6_rcv+0x397/0x810 [ 2400.341634][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2400.341634][ T74] process_backlog+0x101/0x620 [ 2400.341634][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2400.341634][ T74] net_rx_action+0x495/0xbe0 [ 2400.341634][ T74] __do_softirq+0x1b5/0x7f6 [ 2400.341634][ T74] [ 2400.343271][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2400.343271][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2400.343271][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2400.343271][ T74] fib6_nh_init+0xa22/0x1580 [ 2400.343271][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2400.343271][ T74] ip6_route_add+0x1c/0x140 [ 2400.343271][ T74] inet6_rtm_newroute+0x104/0x110 [ 2400.343271][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2400.343271][ T74] netlink_rcv_skb+0x130/0x360 [ 2400.343271][ T74] netlink_unicast+0x449/0x710 [ 2400.343271][ T74] netlink_sendmsg+0x723/0xbe0 [ 2400.343271][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2400.343271][ T74] ___sys_sendmsg+0xee/0x170 [ 2400.343271][ T74] __sys_sendmsg+0xcd/0x170 [ 2400.343271][ T74] do_syscall_64+0xc6/0x1e0 [ 2400.343271][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2400.343271][ T74] [ 2400.345147][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2400.345147][ T74] netdev_get_by_index+0x5e/0x80 [ 2400.345147][ T74] fib6_nh_init+0x3d8/0x1580 [ 2400.345147][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2400.345147][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2400.345147][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2400.345147][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2400.345147][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2400.345147][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2400.345147][ T74] addrconf_dad_begin+0x310/0x670 [ 2400.345147][ T74] addrconf_dad_work+0x10b/0xab0 [ 2400.345147][ T74] process_one_work+0x84d/0x18a0 [ 2400.345147][ T74] worker_thread+0x587/0xd30 [ 2400.345147][ T74] kthread+0x28a/0x350 [ 2400.345147][ T74] ret_from_fork+0x31/0x70 [ 2400.345147][ T74] ret_from_fork_asm+0x1a/0x30 [ 2400.345147][ T74] [ 2400.347051][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2400.347051][ T74] netdev_get_by_index+0x5e/0x80 [ 2400.347051][ T74] fib6_nh_init+0x3d8/0x1580 [ 2400.347051][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2400.347051][ T74] ip6_route_add+0x1c/0x140 [ 2400.347051][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2400.347051][ T74] inet6_addr_add+0x4f8/0xa40 [ 2400.347051][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2400.347051][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2400.347051][ T74] netlink_rcv_skb+0x130/0x360 [ 2400.347051][ T74] netlink_unicast+0x449/0x710 [ 2400.347051][ T74] netlink_sendmsg+0x723/0xbe0 [ 2400.347051][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2400.347051][ T74] ___sys_sendmsg+0xee/0x170 [ 2400.347051][ T74] __sys_sendmsg+0xcd/0x170 [ 2400.347051][ T74] do_syscall_64+0xc6/0x1e0 [ 2400.347051][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2400.347051][ T74] [ 2400.349045][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2400.349045][ T74] netdev_get_by_index+0x5e/0x80 [ 2400.349045][ T74] fib6_nh_init+0x3d8/0x1580 [ 2400.349045][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2400.349045][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2400.349045][ T74] ipv6_add_addr+0x411/0x2000 [ 2400.349045][ T74] inet6_addr_add+0x30e/0xa40 [ 2400.349045][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2400.349045][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2400.349045][ T74] netlink_rcv_skb+0x130/0x360 [ 2400.349045][ T74] netlink_unicast+0x449/0x710 [ 2400.349045][ T74] netlink_sendmsg+0x723/0xbe0 [ 2400.349045][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2400.349045][ T74] ___sys_sendmsg+0xee/0x170 [ 2400.349045][ T74] __sys_sendmsg+0xcd/0x170 [ 2400.349045][ T74] do_syscall_64+0xc6/0x1e0 [ 2400.349045][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2400.349045][ T74] [ 2400.351027][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2400.351027][ T74] netdev_get_by_index+0x5e/0x80 [ 2400.351027][ T74] fib6_nh_init+0x3d8/0x1580 [ 2400.351027][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2400.351027][ T74] ip6_route_add+0x1c/0x140 [ 2400.351027][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2400.351027][ T74] addrconf_add_dev+0xe2/0x170 [ 2400.351027][ T74] inet6_addr_add+0x12f/0xa40 [ 2400.351027][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2400.351027][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2400.351027][ T74] netlink_rcv_skb+0x130/0x360 [ 2400.351027][ T74] netlink_unicast+0x449/0x710 [ 2400.351027][ T74] netlink_sendmsg+0x723/0xbe0 [ 2400.351027][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2400.351027][ T74] ___sys_sendmsg+0xee/0x170 [ 2400.351027][ T74] __sys_sendmsg+0xcd/0x170 [ 2400.351027][ T74] do_syscall_64+0xc6/0x1e0 [ 2400.351027][ T74] [ 2400.352988][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2400.352988][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2400.352988][ T74] ipv6_find_idev+0x102/0x170 [ 2400.352988][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2400.352988][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2400.352988][ T74] netlink_rcv_skb+0x130/0x360 [ 2400.352988][ T74] netlink_unicast+0x449/0x710 [ 2400.352988][ T74] netlink_sendmsg+0x723/0xbe0 [ 2400.352988][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2400.352988][ T74] ___sys_sendmsg+0xee/0x170 [ 2400.352988][ T74] __sys_sendmsg+0xcd/0x170 [ 2400.352988][ T74] do_syscall_64+0xc6/0x1e0 [ 2400.352988][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2400.352988][ T74] [ 2400.354705][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2400.354705][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2400.354705][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2400.354705][ T74] ipv6_find_idev+0x102/0x170 [ 2400.354705][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2400.354705][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2400.354705][ T74] netlink_rcv_skb+0x130/0x360 [ 2400.354705][ T74] netlink_unicast+0x449/0x710 [ 2400.354705][ T74] netlink_sendmsg+0x723/0xbe0 [ 2400.354705][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2400.354705][ T74] ___sys_sendmsg+0xee/0x170 [ 2400.354705][ T74] __sys_sendmsg+0xcd/0x170 [ 2400.354705][ T74] do_syscall_64+0xc6/0x1e0 [ 2400.354705][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2400.354705][ T74] [ 2400.356554][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2400.356794][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2400.356794][ T74] netdev_get_by_index+0x5e/0x80 [ 2400.356794][ T74] fib6_nh_init+0x3d8/0x1580 [ 2400.356794][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2400.356794][ T74] ip6_route_add+0x1c/0x140 [ 2400.356794][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2400.356794][ T74] inet6_addr_add+0x4f8/0xa40 [ 2400.356794][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2400.356794][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2400.356794][ T74] netlink_rcv_skb+0x130/0x360 [ 2400.356794][ T74] netlink_unicast+0x449/0x710 [ 2400.356794][ T74] netlink_sendmsg+0x723/0xbe0 [ 2400.356794][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2400.356794][ T74] ___sys_sendmsg+0xee/0x170 [ 2400.356794][ T74] __sys_sendmsg+0xcd/0x170 [ 2400.356794][ T74] do_syscall_64+0xc6/0x1e0 [ 2400.356794][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2400.356794][ T74] [ 2400.359039][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2400.359039][ T74] netdev_get_by_index+0x5e/0x80 [ 2400.359039][ T74] fib6_nh_init+0x3d8/0x1580 [ 2400.359039][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2400.359039][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2400.359039][ T74] ipv6_add_addr+0x411/0x2000 [ 2400.359039][ T74] inet6_addr_add+0x30e/0xa40 [ 2400.359039][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2400.359039][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2400.359039][ T74] netlink_rcv_skb+0x130/0x360 [ 2400.359039][ T74] netlink_unicast+0x449/0x710 [ 2400.359039][ T74] netlink_sendmsg+0x723/0xbe0 [ 2400.359039][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2400.359039][ T74] ___sys_sendmsg+0xee/0x170 [ 2400.359039][ T74] __sys_sendmsg+0xcd/0x170 [ 2400.359039][ T74] do_syscall_64+0xc6/0x1e0 [ 2400.359039][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2400.359039][ T74] [ 2400.361271][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2400.361271][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2400.361271][ T74] ipv6_find_idev+0x102/0x170 [ 2400.361271][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2400.361271][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2400.361271][ T74] netlink_rcv_skb+0x130/0x360 [ 2400.361271][ T74] netlink_unicast+0x449/0x710 [ 2400.361271][ T74] netlink_sendmsg+0x723/0xbe0 [ 2400.361271][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2400.361271][ T74] ___sys_sendmsg+0xee/0x170 [ 2400.361271][ T74] __sys_sendmsg+0xcd/0x170 [ 2400.361271][ T74] do_syscall_64+0xc6/0x1e0 [ 2400.361271][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2400.361271][ T74] [ 2400.362927][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2400.362927][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2400.362927][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2400.362927][ T74] ipv6_find_idev+0x102/0x170 [ 2400.362927][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2400.362927][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2400.362927][ T74] netlink_rcv_skb+0x130/0x360 [ 2400.362927][ T74] netlink_unicast+0x449/0x710 [ 2400.362927][ T74] netlink_sendmsg+0x723/0xbe0 [ 2400.362927][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2400.362927][ T74] ___sys_sendmsg+0xee/0x170 [ 2400.362927][ T74] __sys_sendmsg+0xcd/0x170 [ 2400.362927][ T74] do_syscall_64+0xc6/0x1e0 [ 2400.362927][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2400.362927][ T74] [ 2410.440002][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2410.440440][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2410.440440][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2410.440440][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2410.440440][ T74] fib6_nh_init+0xa22/0x1580 [ 2410.440440][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2410.440440][ T74] ip6_route_add+0x1c/0x140 [ 2410.440440][ T74] inet6_rtm_newroute+0x104/0x110 [ 2410.440440][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2410.440440][ T74] netlink_rcv_skb+0x130/0x360 [ 2410.440440][ T74] netlink_unicast+0x449/0x710 [ 2410.440440][ T74] netlink_sendmsg+0x723/0xbe0 [ 2410.440440][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2410.440440][ T74] ___sys_sendmsg+0xee/0x170 [ 2410.440440][ T74] __sys_sendmsg+0xcd/0x170 [ 2410.440440][ T74] do_syscall_64+0xc6/0x1e0 [ 2410.440440][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2410.440440][ T74] [ 2410.442340][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2410.442340][ T74] netdev_get_by_index+0x5e/0x80 [ 2410.442340][ T74] fib6_nh_init+0x3d8/0x1580 [ 2410.442340][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2410.442340][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2410.442340][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2410.442340][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2410.442340][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2410.442340][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2410.442340][ T74] addrconf_dad_begin+0x310/0x670 [ 2410.442340][ T74] addrconf_dad_work+0x10b/0xab0 [ 2410.442340][ T74] process_one_work+0x84d/0x18a0 [ 2410.442340][ T74] worker_thread+0x587/0xd30 [ 2410.442340][ T74] kthread+0x28a/0x350 [ 2410.442340][ T74] ret_from_fork+0x31/0x70 [ 2410.442340][ T74] ret_from_fork_asm+0x1a/0x30 [ 2410.442340][ T74] [ 2410.444248][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2410.444248][ T74] netdev_get_by_index+0x5e/0x80 [ 2410.444248][ T74] fib6_nh_init+0x3d8/0x1580 [ 2410.444248][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2410.444248][ T74] ip6_route_add+0x1c/0x140 [ 2410.444248][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2410.444248][ T74] inet6_addr_add+0x4f8/0xa40 [ 2410.444248][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2410.444248][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2410.444248][ T74] netlink_rcv_skb+0x130/0x360 [ 2410.444248][ T74] netlink_unicast+0x449/0x710 [ 2410.444248][ T74] netlink_sendmsg+0x723/0xbe0 [ 2410.444248][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2410.444248][ T74] ___sys_sendmsg+0xee/0x170 [ 2410.444248][ T74] __sys_sendmsg+0xcd/0x170 [ 2410.444248][ T74] do_syscall_64+0xc6/0x1e0 [ 2410.444248][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2410.444248][ T74] [ 2410.446251][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2410.446251][ T74] netdev_get_by_index+0x5e/0x80 [ 2410.446251][ T74] fib6_nh_init+0x3d8/0x1580 [ 2410.446251][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2410.446251][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2410.446251][ T74] ipv6_add_addr+0x411/0x2000 [ 2410.446251][ T74] inet6_addr_add+0x30e/0xa40 [ 2410.446251][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2410.446251][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2410.446251][ T74] netlink_rcv_skb+0x130/0x360 [ 2410.446251][ T74] netlink_unicast+0x449/0x710 [ 2410.446251][ T74] netlink_sendmsg+0x723/0xbe0 [ 2410.446251][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2410.446251][ T74] ___sys_sendmsg+0xee/0x170 [ 2410.446251][ T74] __sys_sendmsg+0xcd/0x170 [ 2410.446251][ T74] do_syscall_64+0xc6/0x1e0 [ 2410.446251][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2410.446251][ T74] [ 2410.448266][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2410.448266][ T74] netdev_get_by_index+0x5e/0x80 [ 2410.448266][ T74] fib6_nh_init+0x3d8/0x1580 [ 2410.448266][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2410.448266][ T74] ip6_route_add+0x1c/0x140 [ 2410.448266][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2410.448266][ T74] addrconf_add_dev+0xe2/0x170 [ 2410.448266][ T74] inet6_addr_add+0x12f/0xa40 [ 2410.448266][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2410.448266][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2410.448266][ T74] netlink_rcv_skb+0x130/0x360 [ 2410.448266][ T74] netlink_unicast+0x449/0x710 [ 2410.448266][ T74] netlink_sendmsg+0x723/0xbe0 [ 2410.448266][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2410.448266][ T74] ___sys_sendmsg+0xee/0x170 [ 2410.448266][ T74] __sys_sendmsg+0xcd/0x170 [ 2410.448266][ T74] do_syscall_64+0xc6/0x1e0 [ 2410.448266][ T74] [ 2410.450228][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2410.450228][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2410.450228][ T74] ipv6_find_idev+0x102/0x170 [ 2410.450228][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2410.450228][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2410.450228][ T74] netlink_rcv_skb+0x130/0x360 [ 2410.450228][ T74] netlink_unicast+0x449/0x710 [ 2410.450228][ T74] netlink_sendmsg+0x723/0xbe0 [ 2410.450228][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2410.450228][ T74] ___sys_sendmsg+0xee/0x170 [ 2410.450228][ T74] __sys_sendmsg+0xcd/0x170 [ 2410.450228][ T74] do_syscall_64+0xc6/0x1e0 [ 2410.450228][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2410.450228][ T74] [ 2410.451759][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2410.451759][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2410.451759][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2410.451759][ T74] ipv6_find_idev+0x102/0x170 [ 2410.451759][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2410.451759][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2410.451759][ T74] netlink_rcv_skb+0x130/0x360 [ 2410.451759][ T74] netlink_unicast+0x449/0x710 [ 2410.451759][ T74] netlink_sendmsg+0x723/0xbe0 [ 2410.451759][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2410.451759][ T74] ___sys_sendmsg+0xee/0x170 [ 2410.451759][ T74] __sys_sendmsg+0xcd/0x170 [ 2410.451759][ T74] do_syscall_64+0xc6/0x1e0 [ 2410.451759][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2410.451759][ T74] [ 2410.453443][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2410.453712][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2410.453712][ T74] dst_init+0x84/0x4a0 [ 2410.453712][ T74] dst_alloc+0x97/0x150 [ 2410.453712][ T74] ip6_dst_alloc+0x23/0x90 [ 2410.453712][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2410.453712][ T74] ip6_pol_route+0x56f/0x840 [ 2410.453712][ T74] fib6_rule_lookup+0x456/0x630 [ 2410.453712][ T74] ip6_route_input+0x59c/0xa50 [ 2410.453712][ T74] ipv6_rcv+0x397/0x810 [ 2410.453712][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2410.453712][ T74] process_backlog+0x101/0x620 [ 2410.453712][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2410.453712][ T74] net_rx_action+0x495/0xbe0 [ 2410.453712][ T74] __do_softirq+0x1b5/0x7f6 [ 2410.453712][ T74] [ 2410.455346][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2410.455346][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2410.455346][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2410.455346][ T74] fib6_nh_init+0xa22/0x1580 [ 2410.455346][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2410.455346][ T74] ip6_route_add+0x1c/0x140 [ 2410.455346][ T74] inet6_rtm_newroute+0x104/0x110 [ 2410.455346][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2410.455346][ T74] netlink_rcv_skb+0x130/0x360 [ 2410.455346][ T74] netlink_unicast+0x449/0x710 [ 2410.455346][ T74] netlink_sendmsg+0x723/0xbe0 [ 2410.455346][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2410.455346][ T74] ___sys_sendmsg+0xee/0x170 [ 2410.455346][ T74] __sys_sendmsg+0xcd/0x170 [ 2410.455346][ T74] do_syscall_64+0xc6/0x1e0 [ 2410.455346][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2410.455346][ T74] [ 2410.457233][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2410.457233][ T74] netdev_get_by_index+0x5e/0x80 [ 2410.457233][ T74] fib6_nh_init+0x3d8/0x1580 [ 2410.457233][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2410.457233][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2410.457233][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2410.457233][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2410.457233][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2410.457233][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2410.457233][ T74] addrconf_dad_begin+0x310/0x670 [ 2410.457233][ T74] addrconf_dad_work+0x10b/0xab0 [ 2410.457233][ T74] process_one_work+0x84d/0x18a0 [ 2410.457233][ T74] worker_thread+0x587/0xd30 [ 2410.457233][ T74] kthread+0x28a/0x350 [ 2410.457233][ T74] ret_from_fork+0x31/0x70 [ 2410.457233][ T74] ret_from_fork_asm+0x1a/0x30 [ 2410.457233][ T74] [ 2410.459170][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2410.459170][ T74] netdev_get_by_index+0x5e/0x80 [ 2410.459170][ T74] fib6_nh_init+0x3d8/0x1580 [ 2410.459170][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2410.459170][ T74] ip6_route_add+0x1c/0x140 [ 2410.459170][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2410.459170][ T74] inet6_addr_add+0x4f8/0xa40 [ 2410.459170][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2410.459170][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2410.459170][ T74] netlink_rcv_skb+0x130/0x360 [ 2410.459170][ T74] netlink_unicast+0x449/0x710 [ 2410.459170][ T74] netlink_sendmsg+0x723/0xbe0 [ 2410.459170][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2410.459170][ T74] ___sys_sendmsg+0xee/0x170 [ 2410.459170][ T74] __sys_sendmsg+0xcd/0x170 [ 2410.459170][ T74] do_syscall_64+0xc6/0x1e0 [ 2410.459170][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2410.459170][ T74] [ 2410.461160][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2410.461160][ T74] netdev_get_by_index+0x5e/0x80 [ 2410.461160][ T74] fib6_nh_init+0x3d8/0x1580 [ 2410.461160][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2410.461160][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2410.461160][ T74] ipv6_add_addr+0x411/0x2000 [ 2410.461160][ T74] inet6_addr_add+0x30e/0xa40 [ 2410.461160][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2410.461160][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2410.461160][ T74] netlink_rcv_skb+0x130/0x360 [ 2410.461160][ T74] netlink_unicast+0x449/0x710 [ 2410.461160][ T74] netlink_sendmsg+0x723/0xbe0 [ 2410.461160][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2410.461160][ T74] ___sys_sendmsg+0xee/0x170 [ 2410.461160][ T74] __sys_sendmsg+0xcd/0x170 [ 2410.461160][ T74] do_syscall_64+0xc6/0x1e0 [ 2410.461160][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2410.461160][ T74] [ 2410.463176][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2410.463176][ T74] netdev_get_by_index+0x5e/0x80 [ 2410.463176][ T74] fib6_nh_init+0x3d8/0x1580 [ 2410.463176][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2410.463176][ T74] ip6_route_add+0x1c/0x140 [ 2410.463176][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2410.463176][ T74] addrconf_add_dev+0xe2/0x170 [ 2410.463176][ T74] inet6_addr_add+0x12f/0xa40 [ 2410.463176][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2410.463176][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2410.463176][ T74] netlink_rcv_skb+0x130/0x360 [ 2410.463176][ T74] netlink_unicast+0x449/0x710 [ 2410.463176][ T74] netlink_sendmsg+0x723/0xbe0 [ 2410.463176][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2410.463176][ T74] ___sys_sendmsg+0xee/0x170 [ 2410.463176][ T74] __sys_sendmsg+0xcd/0x170 [ 2410.463176][ T74] do_syscall_64+0xc6/0x1e0 [ 2410.463176][ T74] [ 2410.465155][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2410.465155][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2410.465155][ T74] ipv6_find_idev+0x102/0x170 [ 2410.465155][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2410.465155][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2410.465155][ T74] netlink_rcv_skb+0x130/0x360 [ 2410.465155][ T74] netlink_unicast+0x449/0x710 [ 2410.465155][ T74] netlink_sendmsg+0x723/0xbe0 [ 2410.465155][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2410.465155][ T74] ___sys_sendmsg+0xee/0x170 [ 2410.465155][ T74] __sys_sendmsg+0xcd/0x170 [ 2410.465155][ T74] do_syscall_64+0xc6/0x1e0 [ 2410.465155][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2410.465155][ T74] [ 2410.466886][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2410.466886][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2410.466886][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2410.466886][ T74] ipv6_find_idev+0x102/0x170 [ 2410.466886][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2410.466886][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2410.466886][ T74] netlink_rcv_skb+0x130/0x360 [ 2410.466886][ T74] netlink_unicast+0x449/0x710 [ 2410.466886][ T74] netlink_sendmsg+0x723/0xbe0 [ 2410.466886][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2410.466886][ T74] ___sys_sendmsg+0xee/0x170 [ 2410.466886][ T74] __sys_sendmsg+0xcd/0x170 [ 2410.466886][ T74] do_syscall_64+0xc6/0x1e0 [ 2410.466886][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2410.466886][ T74] [ 2410.468749][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2410.469068][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2410.469068][ T74] netdev_get_by_index+0x5e/0x80 [ 2410.469068][ T74] fib6_nh_init+0x3d8/0x1580 [ 2410.469068][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2410.469068][ T74] ip6_route_add+0x1c/0x140 [ 2410.469068][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2410.469068][ T74] inet6_addr_add+0x4f8/0xa40 [ 2410.469068][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2410.469068][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2410.469068][ T74] netlink_rcv_skb+0x130/0x360 [ 2410.469068][ T74] netlink_unicast+0x449/0x710 [ 2410.469068][ T74] netlink_sendmsg+0x723/0xbe0 [ 2410.469068][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2410.469068][ T74] ___sys_sendmsg+0xee/0x170 [ 2410.469068][ T74] __sys_sendmsg+0xcd/0x170 [ 2410.469068][ T74] do_syscall_64+0xc6/0x1e0 [ 2410.469068][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2410.469068][ T74] [ 2410.471323][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2410.471323][ T74] netdev_get_by_index+0x5e/0x80 [ 2410.471323][ T74] fib6_nh_init+0x3d8/0x1580 [ 2410.471323][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2410.471323][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2410.471323][ T74] ipv6_add_addr+0x411/0x2000 [ 2410.471323][ T74] inet6_addr_add+0x30e/0xa40 [ 2410.471323][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2410.471323][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2410.471323][ T74] netlink_rcv_skb+0x130/0x360 [ 2410.471323][ T74] netlink_unicast+0x449/0x710 [ 2410.471323][ T74] netlink_sendmsg+0x723/0xbe0 [ 2410.471323][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2410.471323][ T74] ___sys_sendmsg+0xee/0x170 [ 2410.471323][ T74] __sys_sendmsg+0xcd/0x170 [ 2410.471323][ T74] do_syscall_64+0xc6/0x1e0 [ 2410.471323][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2410.471323][ T74] [ 2410.473556][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2410.473556][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2410.473556][ T74] ipv6_find_idev+0x102/0x170 [ 2410.473556][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2410.473556][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2410.473556][ T74] netlink_rcv_skb+0x130/0x360 [ 2410.473556][ T74] netlink_unicast+0x449/0x710 [ 2410.473556][ T74] netlink_sendmsg+0x723/0xbe0 [ 2410.473556][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2410.473556][ T74] ___sys_sendmsg+0xee/0x170 [ 2410.473556][ T74] __sys_sendmsg+0xcd/0x170 [ 2410.473556][ T74] do_syscall_64+0xc6/0x1e0 [ 2410.473556][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2410.473556][ T74] [ 2410.475274][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2410.475274][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2410.475274][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2410.475274][ T74] ipv6_find_idev+0x102/0x170 [ 2410.475274][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2410.475274][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2410.475274][ T74] netlink_rcv_skb+0x130/0x360 [ 2410.475274][ T74] netlink_unicast+0x449/0x710 [ 2410.475274][ T74] netlink_sendmsg+0x723/0xbe0 [ 2410.475274][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2410.475274][ T74] ___sys_sendmsg+0xee/0x170 [ 2410.475274][ T74] __sys_sendmsg+0xcd/0x170 [ 2410.475274][ T74] do_syscall_64+0xc6/0x1e0 [ 2410.475274][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2410.475274][ T74] [ 2420.719987][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2420.720414][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2420.720414][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2420.720414][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2420.720414][ T74] fib6_nh_init+0xa22/0x1580 [ 2420.720414][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2420.720414][ T74] ip6_route_add+0x1c/0x140 [ 2420.720414][ T74] inet6_rtm_newroute+0x104/0x110 [ 2420.720414][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2420.720414][ T74] netlink_rcv_skb+0x130/0x360 [ 2420.720414][ T74] netlink_unicast+0x449/0x710 [ 2420.720414][ T74] netlink_sendmsg+0x723/0xbe0 [ 2420.720414][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2420.720414][ T74] ___sys_sendmsg+0xee/0x170 [ 2420.720414][ T74] __sys_sendmsg+0xcd/0x170 [ 2420.720414][ T74] do_syscall_64+0xc6/0x1e0 [ 2420.720414][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2420.720414][ T74] [ 2420.722314][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2420.722314][ T74] netdev_get_by_index+0x5e/0x80 [ 2420.722314][ T74] fib6_nh_init+0x3d8/0x1580 [ 2420.722314][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2420.722314][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2420.722314][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2420.722314][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2420.722314][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2420.722314][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2420.722314][ T74] addrconf_dad_begin+0x310/0x670 [ 2420.722314][ T74] addrconf_dad_work+0x10b/0xab0 [ 2420.722314][ T74] process_one_work+0x84d/0x18a0 [ 2420.722314][ T74] worker_thread+0x587/0xd30 [ 2420.722314][ T74] kthread+0x28a/0x350 [ 2420.722314][ T74] ret_from_fork+0x31/0x70 [ 2420.722314][ T74] ret_from_fork_asm+0x1a/0x30 [ 2420.722314][ T74] [ 2420.724222][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2420.724222][ T74] netdev_get_by_index+0x5e/0x80 [ 2420.724222][ T74] fib6_nh_init+0x3d8/0x1580 [ 2420.724222][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2420.724222][ T74] ip6_route_add+0x1c/0x140 [ 2420.724222][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2420.724222][ T74] inet6_addr_add+0x4f8/0xa40 [ 2420.724222][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2420.724222][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2420.724222][ T74] netlink_rcv_skb+0x130/0x360 [ 2420.724222][ T74] netlink_unicast+0x449/0x710 [ 2420.724222][ T74] netlink_sendmsg+0x723/0xbe0 [ 2420.724222][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2420.724222][ T74] ___sys_sendmsg+0xee/0x170 [ 2420.724222][ T74] __sys_sendmsg+0xcd/0x170 [ 2420.724222][ T74] do_syscall_64+0xc6/0x1e0 [ 2420.724222][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2420.724222][ T74] [ 2420.727174][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2420.727174][ T74] netdev_get_by_index+0x5e/0x80 [ 2420.727174][ T74] fib6_nh_init+0x3d8/0x1580 [ 2420.727174][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2420.727174][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2420.727174][ T74] ipv6_add_addr+0x411/0x2000 [ 2420.727174][ T74] inet6_addr_add+0x30e/0xa40 [ 2420.727174][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2420.727174][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2420.727174][ T74] netlink_rcv_skb+0x130/0x360 [ 2420.727174][ T74] netlink_unicast+0x449/0x710 [ 2420.727174][ T74] netlink_sendmsg+0x723/0xbe0 [ 2420.727174][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2420.727174][ T74] ___sys_sendmsg+0xee/0x170 [ 2420.727174][ T74] __sys_sendmsg+0xcd/0x170 [ 2420.727174][ T74] do_syscall_64+0xc6/0x1e0 [ 2420.727174][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2420.727174][ T74] [ 2420.729181][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2420.729181][ T74] netdev_get_by_index+0x5e/0x80 [ 2420.729181][ T74] fib6_nh_init+0x3d8/0x1580 [ 2420.729181][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2420.729181][ T74] ip6_route_add+0x1c/0x140 [ 2420.729181][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2420.729181][ T74] addrconf_add_dev+0xe2/0x170 [ 2420.729181][ T74] inet6_addr_add+0x12f/0xa40 [ 2420.729181][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2420.729181][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2420.729181][ T74] netlink_rcv_skb+0x130/0x360 [ 2420.729181][ T74] netlink_unicast+0x449/0x710 [ 2420.729181][ T74] netlink_sendmsg+0x723/0xbe0 [ 2420.729181][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2420.729181][ T74] ___sys_sendmsg+0xee/0x170 [ 2420.729181][ T74] __sys_sendmsg+0xcd/0x170 [ 2420.729181][ T74] do_syscall_64+0xc6/0x1e0 [ 2420.729181][ T74] [ 2420.731145][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2420.731145][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2420.731145][ T74] ipv6_find_idev+0x102/0x170 [ 2420.731145][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2420.731145][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2420.731145][ T74] netlink_rcv_skb+0x130/0x360 [ 2420.731145][ T74] netlink_unicast+0x449/0x710 [ 2420.731145][ T74] netlink_sendmsg+0x723/0xbe0 [ 2420.731145][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2420.731145][ T74] ___sys_sendmsg+0xee/0x170 [ 2420.731145][ T74] __sys_sendmsg+0xcd/0x170 [ 2420.731145][ T74] do_syscall_64+0xc6/0x1e0 [ 2420.731145][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2420.731145][ T74] [ 2420.732679][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2420.732679][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2420.732679][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2420.732679][ T74] ipv6_find_idev+0x102/0x170 [ 2420.732679][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2420.732679][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2420.732679][ T74] netlink_rcv_skb+0x130/0x360 [ 2420.732679][ T74] netlink_unicast+0x449/0x710 [ 2420.732679][ T74] netlink_sendmsg+0x723/0xbe0 [ 2420.732679][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2420.732679][ T74] ___sys_sendmsg+0xee/0x170 [ 2420.732679][ T74] __sys_sendmsg+0xcd/0x170 [ 2420.732679][ T74] do_syscall_64+0xc6/0x1e0 [ 2420.732679][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2420.732679][ T74] [ 2420.734375][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2420.734642][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2420.734642][ T74] dst_init+0x84/0x4a0 [ 2420.734642][ T74] dst_alloc+0x97/0x150 [ 2420.734642][ T74] ip6_dst_alloc+0x23/0x90 [ 2420.734642][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2420.734642][ T74] ip6_pol_route+0x56f/0x840 [ 2420.734642][ T74] fib6_rule_lookup+0x456/0x630 [ 2420.734642][ T74] ip6_route_input+0x59c/0xa50 [ 2420.734642][ T74] ipv6_rcv+0x397/0x810 [ 2420.734642][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2420.734642][ T74] process_backlog+0x101/0x620 [ 2420.734642][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2420.734642][ T74] net_rx_action+0x495/0xbe0 [ 2420.734642][ T74] __do_softirq+0x1b5/0x7f6 [ 2420.734642][ T74] [ 2420.736673][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2420.736673][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2420.736673][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2420.736673][ T74] fib6_nh_init+0xa22/0x1580 [ 2420.736673][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2420.736673][ T74] ip6_route_add+0x1c/0x140 [ 2420.736673][ T74] inet6_rtm_newroute+0x104/0x110 [ 2420.736673][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2420.736673][ T74] netlink_rcv_skb+0x130/0x360 [ 2420.736673][ T74] netlink_unicast+0x449/0x710 [ 2420.736673][ T74] netlink_sendmsg+0x723/0xbe0 [ 2420.736673][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2420.736673][ T74] ___sys_sendmsg+0xee/0x170 [ 2420.736673][ T74] __sys_sendmsg+0xcd/0x170 [ 2420.736673][ T74] do_syscall_64+0xc6/0x1e0 [ 2420.736673][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2420.736673][ T74] [ 2420.738552][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2420.738552][ T74] netdev_get_by_index+0x5e/0x80 [ 2420.738552][ T74] fib6_nh_init+0x3d8/0x1580 [ 2420.738552][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2420.738552][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2420.738552][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2420.738552][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2420.738552][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2420.738552][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2420.738552][ T74] addrconf_dad_begin+0x310/0x670 [ 2420.738552][ T74] addrconf_dad_work+0x10b/0xab0 [ 2420.738552][ T74] process_one_work+0x84d/0x18a0 [ 2420.738552][ T74] worker_thread+0x587/0xd30 [ 2420.738552][ T74] kthread+0x28a/0x350 [ 2420.738552][ T74] ret_from_fork+0x31/0x70 [ 2420.738552][ T74] ret_from_fork_asm+0x1a/0x30 [ 2420.738552][ T74] [ 2420.740451][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2420.740451][ T74] netdev_get_by_index+0x5e/0x80 [ 2420.740451][ T74] fib6_nh_init+0x3d8/0x1580 [ 2420.740451][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2420.740451][ T74] ip6_route_add+0x1c/0x140 [ 2420.740451][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2420.740451][ T74] inet6_addr_add+0x4f8/0xa40 [ 2420.740451][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2420.740451][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2420.740451][ T74] netlink_rcv_skb+0x130/0x360 [ 2420.740451][ T74] netlink_unicast+0x449/0x710 [ 2420.740451][ T74] netlink_sendmsg+0x723/0xbe0 [ 2420.740451][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2420.740451][ T74] ___sys_sendmsg+0xee/0x170 [ 2420.740451][ T74] __sys_sendmsg+0xcd/0x170 [ 2420.740451][ T74] do_syscall_64+0xc6/0x1e0 [ 2420.740451][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2420.740451][ T74] [ 2420.742439][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2420.742439][ T74] netdev_get_by_index+0x5e/0x80 [ 2420.742439][ T74] fib6_nh_init+0x3d8/0x1580 [ 2420.742439][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2420.742439][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2420.742439][ T74] ipv6_add_addr+0x411/0x2000 [ 2420.742439][ T74] inet6_addr_add+0x30e/0xa40 [ 2420.742439][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2420.742439][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2420.742439][ T74] netlink_rcv_skb+0x130/0x360 [ 2420.742439][ T74] netlink_unicast+0x449/0x710 [ 2420.742439][ T74] netlink_sendmsg+0x723/0xbe0 [ 2420.742439][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2420.742439][ T74] ___sys_sendmsg+0xee/0x170 [ 2420.742439][ T74] __sys_sendmsg+0xcd/0x170 [ 2420.742439][ T74] do_syscall_64+0xc6/0x1e0 [ 2420.742439][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2420.742439][ T74] [ 2420.744430][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2420.744430][ T74] netdev_get_by_index+0x5e/0x80 [ 2420.744430][ T74] fib6_nh_init+0x3d8/0x1580 [ 2420.744430][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2420.744430][ T74] ip6_route_add+0x1c/0x140 [ 2420.744430][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2420.744430][ T74] addrconf_add_dev+0xe2/0x170 [ 2420.744430][ T74] inet6_addr_add+0x12f/0xa40 [ 2420.744430][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2420.744430][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2420.744430][ T74] netlink_rcv_skb+0x130/0x360 [ 2420.744430][ T74] netlink_unicast+0x449/0x710 [ 2420.744430][ T74] netlink_sendmsg+0x723/0xbe0 [ 2420.744430][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2420.744430][ T74] ___sys_sendmsg+0xee/0x170 [ 2420.744430][ T74] __sys_sendmsg+0xcd/0x170 [ 2420.744430][ T74] do_syscall_64+0xc6/0x1e0 [ 2420.744430][ T74] [ 2420.746384][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2420.746384][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2420.746384][ T74] ipv6_find_idev+0x102/0x170 [ 2420.746384][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2420.746384][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2420.746384][ T74] netlink_rcv_skb+0x130/0x360 [ 2420.746384][ T74] netlink_unicast+0x449/0x710 [ 2420.746384][ T74] netlink_sendmsg+0x723/0xbe0 [ 2420.746384][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2420.746384][ T74] ___sys_sendmsg+0xee/0x170 [ 2420.746384][ T74] __sys_sendmsg+0xcd/0x170 [ 2420.746384][ T74] do_syscall_64+0xc6/0x1e0 [ 2420.746384][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2420.746384][ T74] [ 2420.748040][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2420.748040][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2420.748040][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2420.748040][ T74] ipv6_find_idev+0x102/0x170 [ 2420.748040][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2420.748040][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2420.748040][ T74] netlink_rcv_skb+0x130/0x360 [ 2420.748040][ T74] netlink_unicast+0x449/0x710 [ 2420.748040][ T74] netlink_sendmsg+0x723/0xbe0 [ 2420.748040][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2420.748040][ T74] ___sys_sendmsg+0xee/0x170 [ 2420.748040][ T74] __sys_sendmsg+0xcd/0x170 [ 2420.748040][ T74] do_syscall_64+0xc6/0x1e0 [ 2420.748040][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2420.748040][ T74] [ 2420.749981][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2420.750220][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2420.750220][ T74] netdev_get_by_index+0x5e/0x80 [ 2420.750220][ T74] fib6_nh_init+0x3d8/0x1580 [ 2420.750220][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2420.750220][ T74] ip6_route_add+0x1c/0x140 [ 2420.750220][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2420.750220][ T74] inet6_addr_add+0x4f8/0xa40 [ 2420.750220][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2420.750220][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2420.750220][ T74] netlink_rcv_skb+0x130/0x360 [ 2420.750220][ T74] netlink_unicast+0x449/0x710 [ 2420.750220][ T74] netlink_sendmsg+0x723/0xbe0 [ 2420.750220][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2420.750220][ T74] ___sys_sendmsg+0xee/0x170 [ 2420.750220][ T74] __sys_sendmsg+0xcd/0x170 [ 2420.750220][ T74] do_syscall_64+0xc6/0x1e0 [ 2420.750220][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2420.750220][ T74] [ 2420.752455][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2420.752455][ T74] netdev_get_by_index+0x5e/0x80 [ 2420.752455][ T74] fib6_nh_init+0x3d8/0x1580 [ 2420.752455][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2420.752455][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2420.752455][ T74] ipv6_add_addr+0x411/0x2000 [ 2420.752455][ T74] inet6_addr_add+0x30e/0xa40 [ 2420.752455][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2420.752455][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2420.752455][ T74] netlink_rcv_skb+0x130/0x360 [ 2420.752455][ T74] netlink_unicast+0x449/0x710 [ 2420.752455][ T74] netlink_sendmsg+0x723/0xbe0 [ 2420.752455][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2420.752455][ T74] ___sys_sendmsg+0xee/0x170 [ 2420.752455][ T74] __sys_sendmsg+0xcd/0x170 [ 2420.752455][ T74] do_syscall_64+0xc6/0x1e0 [ 2420.752455][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2420.752455][ T74] [ 2420.754685][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2420.754685][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2420.754685][ T74] ipv6_find_idev+0x102/0x170 [ 2420.754685][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2420.754685][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2420.754685][ T74] netlink_rcv_skb+0x130/0x360 [ 2420.754685][ T74] netlink_unicast+0x449/0x710 [ 2420.754685][ T74] netlink_sendmsg+0x723/0xbe0 [ 2420.754685][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2420.754685][ T74] ___sys_sendmsg+0xee/0x170 [ 2420.754685][ T74] __sys_sendmsg+0xcd/0x170 [ 2420.754685][ T74] do_syscall_64+0xc6/0x1e0 [ 2420.754685][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2420.754685][ T74] [ 2420.756403][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2420.756403][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2420.756403][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2420.756403][ T74] ipv6_find_idev+0x102/0x170 [ 2420.756403][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2420.756403][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2420.756403][ T74] netlink_rcv_skb+0x130/0x360 [ 2420.756403][ T74] netlink_unicast+0x449/0x710 [ 2420.756403][ T74] netlink_sendmsg+0x723/0xbe0 [ 2420.756403][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2420.756403][ T74] ___sys_sendmsg+0xee/0x170 [ 2420.756403][ T74] __sys_sendmsg+0xcd/0x170 [ 2420.756403][ T74] do_syscall_64+0xc6/0x1e0 [ 2420.756403][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2420.756403][ T74] [ 2430.999941][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2431.000311][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2431.000311][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2431.000311][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2431.000311][ T74] fib6_nh_init+0xa22/0x1580 [ 2431.000311][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2431.000311][ T74] ip6_route_add+0x1c/0x140 [ 2431.000311][ T74] inet6_rtm_newroute+0x104/0x110 [ 2431.000311][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2431.000311][ T74] netlink_rcv_skb+0x130/0x360 [ 2431.000311][ T74] netlink_unicast+0x449/0x710 [ 2431.000311][ T74] netlink_sendmsg+0x723/0xbe0 [ 2431.000311][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2431.000311][ T74] ___sys_sendmsg+0xee/0x170 [ 2431.000311][ T74] __sys_sendmsg+0xcd/0x170 [ 2431.000311][ T74] do_syscall_64+0xc6/0x1e0 [ 2431.000311][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2431.000311][ T74] [ 2431.002218][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2431.002218][ T74] netdev_get_by_index+0x5e/0x80 [ 2431.002218][ T74] fib6_nh_init+0x3d8/0x1580 [ 2431.002218][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2431.002218][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2431.002218][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2431.002218][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2431.002218][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2431.002218][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2431.002218][ T74] addrconf_dad_begin+0x310/0x670 [ 2431.002218][ T74] addrconf_dad_work+0x10b/0xab0 [ 2431.002218][ T74] process_one_work+0x84d/0x18a0 [ 2431.002218][ T74] worker_thread+0x587/0xd30 [ 2431.002218][ T74] kthread+0x28a/0x350 [ 2431.002218][ T74] ret_from_fork+0x31/0x70 [ 2431.002218][ T74] ret_from_fork_asm+0x1a/0x30 [ 2431.002218][ T74] [ 2431.004574][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2431.004574][ T74] netdev_get_by_index+0x5e/0x80 [ 2431.004574][ T74] fib6_nh_init+0x3d8/0x1580 [ 2431.004574][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2431.004574][ T74] ip6_route_add+0x1c/0x140 [ 2431.004574][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2431.004574][ T74] inet6_addr_add+0x4f8/0xa40 [ 2431.004574][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2431.004574][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2431.004574][ T74] netlink_rcv_skb+0x130/0x360 [ 2431.004574][ T74] netlink_unicast+0x449/0x710 [ 2431.004574][ T74] netlink_sendmsg+0x723/0xbe0 [ 2431.004574][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2431.004574][ T74] ___sys_sendmsg+0xee/0x170 [ 2431.004574][ T74] __sys_sendmsg+0xcd/0x170 [ 2431.004574][ T74] do_syscall_64+0xc6/0x1e0 [ 2431.004574][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2431.004574][ T74] [ 2431.006587][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2431.006587][ T74] netdev_get_by_index+0x5e/0x80 [ 2431.006587][ T74] fib6_nh_init+0x3d8/0x1580 [ 2431.006587][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2431.006587][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2431.006587][ T74] ipv6_add_addr+0x411/0x2000 [ 2431.006587][ T74] inet6_addr_add+0x30e/0xa40 [ 2431.006587][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2431.006587][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2431.006587][ T74] netlink_rcv_skb+0x130/0x360 [ 2431.006587][ T74] netlink_unicast+0x449/0x710 [ 2431.006587][ T74] netlink_sendmsg+0x723/0xbe0 [ 2431.006587][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2431.006587][ T74] ___sys_sendmsg+0xee/0x170 [ 2431.006587][ T74] __sys_sendmsg+0xcd/0x170 [ 2431.006587][ T74] do_syscall_64+0xc6/0x1e0 [ 2431.006587][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2431.006587][ T74] [ 2431.008649][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2431.008649][ T74] netdev_get_by_index+0x5e/0x80 [ 2431.008649][ T74] fib6_nh_init+0x3d8/0x1580 [ 2431.008649][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2431.008649][ T74] ip6_route_add+0x1c/0x140 [ 2431.008649][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2431.008649][ T74] addrconf_add_dev+0xe2/0x170 [ 2431.008649][ T74] inet6_addr_add+0x12f/0xa40 [ 2431.008649][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2431.008649][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2431.008649][ T74] netlink_rcv_skb+0x130/0x360 [ 2431.008649][ T74] netlink_unicast+0x449/0x710 [ 2431.008649][ T74] netlink_sendmsg+0x723/0xbe0 [ 2431.008649][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2431.008649][ T74] ___sys_sendmsg+0xee/0x170 [ 2431.008649][ T74] __sys_sendmsg+0xcd/0x170 [ 2431.008649][ T74] do_syscall_64+0xc6/0x1e0 [ 2431.008649][ T74] [ 2431.010616][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2431.010616][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2431.010616][ T74] ipv6_find_idev+0x102/0x170 [ 2431.010616][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2431.010616][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2431.010616][ T74] netlink_rcv_skb+0x130/0x360 [ 2431.010616][ T74] netlink_unicast+0x449/0x710 [ 2431.010616][ T74] netlink_sendmsg+0x723/0xbe0 [ 2431.010616][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2431.010616][ T74] ___sys_sendmsg+0xee/0x170 [ 2431.010616][ T74] __sys_sendmsg+0xcd/0x170 [ 2431.010616][ T74] do_syscall_64+0xc6/0x1e0 [ 2431.010616][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2431.010616][ T74] [ 2431.012167][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2431.012167][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2431.012167][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2431.012167][ T74] ipv6_find_idev+0x102/0x170 [ 2431.012167][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2431.012167][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2431.012167][ T74] netlink_rcv_skb+0x130/0x360 [ 2431.012167][ T74] netlink_unicast+0x449/0x710 [ 2431.012167][ T74] netlink_sendmsg+0x723/0xbe0 [ 2431.012167][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2431.012167][ T74] ___sys_sendmsg+0xee/0x170 [ 2431.012167][ T74] __sys_sendmsg+0xcd/0x170 [ 2431.012167][ T74] do_syscall_64+0xc6/0x1e0 [ 2431.012167][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2431.012167][ T74] [ 2431.013877][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2431.014152][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2431.014152][ T74] dst_init+0x84/0x4a0 [ 2431.014152][ T74] dst_alloc+0x97/0x150 [ 2431.014152][ T74] ip6_dst_alloc+0x23/0x90 [ 2431.014152][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2431.014152][ T74] ip6_pol_route+0x56f/0x840 [ 2431.014152][ T74] fib6_rule_lookup+0x456/0x630 [ 2431.014152][ T74] ip6_route_input+0x59c/0xa50 [ 2431.014152][ T74] ipv6_rcv+0x397/0x810 [ 2431.014152][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2431.014152][ T74] process_backlog+0x101/0x620 [ 2431.014152][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2431.014152][ T74] net_rx_action+0x495/0xbe0 [ 2431.014152][ T74] __do_softirq+0x1b5/0x7f6 [ 2431.014152][ T74] [ 2431.015796][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2431.015796][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2431.015796][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2431.015796][ T74] fib6_nh_init+0xa22/0x1580 [ 2431.015796][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2431.015796][ T74] ip6_route_add+0x1c/0x140 [ 2431.015796][ T74] inet6_rtm_newroute+0x104/0x110 [ 2431.015796][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2431.015796][ T74] netlink_rcv_skb+0x130/0x360 [ 2431.015796][ T74] netlink_unicast+0x449/0x710 [ 2431.015796][ T74] netlink_sendmsg+0x723/0xbe0 [ 2431.015796][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2431.015796][ T74] ___sys_sendmsg+0xee/0x170 [ 2431.015796][ T74] __sys_sendmsg+0xcd/0x170 [ 2431.015796][ T74] do_syscall_64+0xc6/0x1e0 [ 2431.015796][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2431.015796][ T74] [ 2431.017711][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2431.017711][ T74] netdev_get_by_index+0x5e/0x80 [ 2431.017711][ T74] fib6_nh_init+0x3d8/0x1580 [ 2431.017711][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2431.017711][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2431.017711][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2431.017711][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2431.017711][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2431.017711][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2431.017711][ T74] addrconf_dad_begin+0x310/0x670 [ 2431.017711][ T74] addrconf_dad_work+0x10b/0xab0 [ 2431.017711][ T74] process_one_work+0x84d/0x18a0 [ 2431.017711][ T74] worker_thread+0x587/0xd30 [ 2431.017711][ T74] kthread+0x28a/0x350 [ 2431.017711][ T74] ret_from_fork+0x31/0x70 [ 2431.017711][ T74] ret_from_fork_asm+0x1a/0x30 [ 2431.017711][ T74] [ 2431.019629][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2431.019629][ T74] netdev_get_by_index+0x5e/0x80 [ 2431.019629][ T74] fib6_nh_init+0x3d8/0x1580 [ 2431.019629][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2431.019629][ T74] ip6_route_add+0x1c/0x140 [ 2431.019629][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2431.019629][ T74] inet6_addr_add+0x4f8/0xa40 [ 2431.019629][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2431.019629][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2431.019629][ T74] netlink_rcv_skb+0x130/0x360 [ 2431.019629][ T74] netlink_unicast+0x449/0x710 [ 2431.019629][ T74] netlink_sendmsg+0x723/0xbe0 [ 2431.019629][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2431.019629][ T74] ___sys_sendmsg+0xee/0x170 [ 2431.019629][ T74] __sys_sendmsg+0xcd/0x170 [ 2431.019629][ T74] do_syscall_64+0xc6/0x1e0 [ 2431.019629][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2431.019629][ T74] [ 2431.021626][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2431.021626][ T74] netdev_get_by_index+0x5e/0x80 [ 2431.021626][ T74] fib6_nh_init+0x3d8/0x1580 [ 2431.021626][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2431.021626][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2431.021626][ T74] ipv6_add_addr+0x411/0x2000 [ 2431.021626][ T74] inet6_addr_add+0x30e/0xa40 [ 2431.021626][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2431.021626][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2431.021626][ T74] netlink_rcv_skb+0x130/0x360 [ 2431.021626][ T74] netlink_unicast+0x449/0x710 [ 2431.021626][ T74] netlink_sendmsg+0x723/0xbe0 [ 2431.021626][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2431.021626][ T74] ___sys_sendmsg+0xee/0x170 [ 2431.021626][ T74] __sys_sendmsg+0xcd/0x170 [ 2431.021626][ T74] do_syscall_64+0xc6/0x1e0 [ 2431.021626][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2431.021626][ T74] [ 2431.023627][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2431.023627][ T74] netdev_get_by_index+0x5e/0x80 [ 2431.023627][ T74] fib6_nh_init+0x3d8/0x1580 [ 2431.023627][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2431.023627][ T74] ip6_route_add+0x1c/0x140 [ 2431.023627][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2431.023627][ T74] addrconf_add_dev+0xe2/0x170 [ 2431.023627][ T74] inet6_addr_add+0x12f/0xa40 [ 2431.023627][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2431.023627][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2431.023627][ T74] netlink_rcv_skb+0x130/0x360 [ 2431.023627][ T74] netlink_unicast+0x449/0x710 [ 2431.023627][ T74] netlink_sendmsg+0x723/0xbe0 [ 2431.023627][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2431.023627][ T74] ___sys_sendmsg+0xee/0x170 [ 2431.023627][ T74] __sys_sendmsg+0xcd/0x170 [ 2431.023627][ T74] do_syscall_64+0xc6/0x1e0 [ 2431.023627][ T74] [ 2431.025583][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2431.025583][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2431.025583][ T74] ipv6_find_idev+0x102/0x170 [ 2431.025583][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2431.025583][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2431.025583][ T74] netlink_rcv_skb+0x130/0x360 [ 2431.025583][ T74] netlink_unicast+0x449/0x710 [ 2431.025583][ T74] netlink_sendmsg+0x723/0xbe0 [ 2431.025583][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2431.025583][ T74] ___sys_sendmsg+0xee/0x170 [ 2431.025583][ T74] __sys_sendmsg+0xcd/0x170 [ 2431.025583][ T74] do_syscall_64+0xc6/0x1e0 [ 2431.025583][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2431.025583][ T74] [ 2431.027322][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2431.027322][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2431.027322][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2431.027322][ T74] ipv6_find_idev+0x102/0x170 [ 2431.027322][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2431.027322][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2431.027322][ T74] netlink_rcv_skb+0x130/0x360 [ 2431.027322][ T74] netlink_unicast+0x449/0x710 [ 2431.027322][ T74] netlink_sendmsg+0x723/0xbe0 [ 2431.027322][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2431.027322][ T74] ___sys_sendmsg+0xee/0x170 [ 2431.027322][ T74] __sys_sendmsg+0xcd/0x170 [ 2431.027322][ T74] do_syscall_64+0xc6/0x1e0 [ 2431.027322][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2431.027322][ T74] [ 2431.029254][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2431.029490][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2431.029490][ T74] netdev_get_by_index+0x5e/0x80 [ 2431.029490][ T74] fib6_nh_init+0x3d8/0x1580 [ 2431.029490][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2431.029490][ T74] ip6_route_add+0x1c/0x140 [ 2431.029490][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2431.029490][ T74] inet6_addr_add+0x4f8/0xa40 [ 2431.029490][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2431.029490][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2431.029490][ T74] netlink_rcv_skb+0x130/0x360 [ 2431.029490][ T74] netlink_unicast+0x449/0x710 [ 2431.029490][ T74] netlink_sendmsg+0x723/0xbe0 [ 2431.029490][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2431.029490][ T74] ___sys_sendmsg+0xee/0x170 [ 2431.029490][ T74] __sys_sendmsg+0xcd/0x170 [ 2431.029490][ T74] do_syscall_64+0xc6/0x1e0 [ 2431.029490][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2431.029490][ T74] [ 2431.031744][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2431.031744][ T74] netdev_get_by_index+0x5e/0x80 [ 2431.031744][ T74] fib6_nh_init+0x3d8/0x1580 [ 2431.031744][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2431.031744][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2431.031744][ T74] ipv6_add_addr+0x411/0x2000 [ 2431.031744][ T74] inet6_addr_add+0x30e/0xa40 [ 2431.031744][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2431.031744][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2431.031744][ T74] netlink_rcv_skb+0x130/0x360 [ 2431.031744][ T74] netlink_unicast+0x449/0x710 [ 2431.031744][ T74] netlink_sendmsg+0x723/0xbe0 [ 2431.031744][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2431.031744][ T74] ___sys_sendmsg+0xee/0x170 [ 2431.031744][ T74] __sys_sendmsg+0xcd/0x170 [ 2431.031744][ T74] do_syscall_64+0xc6/0x1e0 [ 2431.031744][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2431.031744][ T74] [ 2431.033977][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2431.033977][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2431.033977][ T74] ipv6_find_idev+0x102/0x170 [ 2431.033977][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2431.033977][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2431.033977][ T74] netlink_rcv_skb+0x130/0x360 [ 2431.033977][ T74] netlink_unicast+0x449/0x710 [ 2431.033977][ T74] netlink_sendmsg+0x723/0xbe0 [ 2431.033977][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2431.033977][ T74] ___sys_sendmsg+0xee/0x170 [ 2431.033977][ T74] __sys_sendmsg+0xcd/0x170 [ 2431.033977][ T74] do_syscall_64+0xc6/0x1e0 [ 2431.033977][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2431.033977][ T74] [ 2431.035652][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2431.035652][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2431.035652][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2431.035652][ T74] ipv6_find_idev+0x102/0x170 [ 2431.035652][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2431.035652][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2431.035652][ T74] netlink_rcv_skb+0x130/0x360 [ 2431.035652][ T74] netlink_unicast+0x449/0x710 [ 2431.035652][ T74] netlink_sendmsg+0x723/0xbe0 [ 2431.035652][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2431.035652][ T74] ___sys_sendmsg+0xee/0x170 [ 2431.035652][ T74] __sys_sendmsg+0xcd/0x170 [ 2431.035652][ T74] do_syscall_64+0xc6/0x1e0 [ 2431.035652][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2431.035652][ T74] [ 2441.120008][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2441.120388][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2441.120388][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2441.120388][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2441.120388][ T74] fib6_nh_init+0xa22/0x1580 [ 2441.120388][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2441.120388][ T74] ip6_route_add+0x1c/0x140 [ 2441.120388][ T74] inet6_rtm_newroute+0x104/0x110 [ 2441.120388][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2441.120388][ T74] netlink_rcv_skb+0x130/0x360 [ 2441.120388][ T74] netlink_unicast+0x449/0x710 [ 2441.120388][ T74] netlink_sendmsg+0x723/0xbe0 [ 2441.120388][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2441.120388][ T74] ___sys_sendmsg+0xee/0x170 [ 2441.120388][ T74] __sys_sendmsg+0xcd/0x170 [ 2441.120388][ T74] do_syscall_64+0xc6/0x1e0 [ 2441.120388][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2441.120388][ T74] [ 2441.122911][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2441.122911][ T74] netdev_get_by_index+0x5e/0x80 [ 2441.122911][ T74] fib6_nh_init+0x3d8/0x1580 [ 2441.122911][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2441.122911][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2441.122911][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2441.122911][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2441.122911][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2441.122911][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2441.122911][ T74] addrconf_dad_begin+0x310/0x670 [ 2441.122911][ T74] addrconf_dad_work+0x10b/0xab0 [ 2441.122911][ T74] process_one_work+0x84d/0x18a0 [ 2441.122911][ T74] worker_thread+0x587/0xd30 [ 2441.122911][ T74] kthread+0x28a/0x350 [ 2441.122911][ T74] ret_from_fork+0x31/0x70 [ 2441.122911][ T74] ret_from_fork_asm+0x1a/0x30 [ 2441.122911][ T74] [ 2441.124815][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2441.124815][ T74] netdev_get_by_index+0x5e/0x80 [ 2441.124815][ T74] fib6_nh_init+0x3d8/0x1580 [ 2441.124815][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2441.124815][ T74] ip6_route_add+0x1c/0x140 [ 2441.124815][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2441.124815][ T74] inet6_addr_add+0x4f8/0xa40 [ 2441.124815][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2441.124815][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2441.124815][ T74] netlink_rcv_skb+0x130/0x360 [ 2441.124815][ T74] netlink_unicast+0x449/0x710 [ 2441.124815][ T74] netlink_sendmsg+0x723/0xbe0 [ 2441.124815][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2441.124815][ T74] ___sys_sendmsg+0xee/0x170 [ 2441.124815][ T74] __sys_sendmsg+0xcd/0x170 [ 2441.124815][ T74] do_syscall_64+0xc6/0x1e0 [ 2441.124815][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2441.124815][ T74] [ 2441.126804][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2441.126804][ T74] netdev_get_by_index+0x5e/0x80 [ 2441.126804][ T74] fib6_nh_init+0x3d8/0x1580 [ 2441.126804][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2441.126804][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2441.126804][ T74] ipv6_add_addr+0x411/0x2000 [ 2441.126804][ T74] inet6_addr_add+0x30e/0xa40 [ 2441.126804][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2441.126804][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2441.126804][ T74] netlink_rcv_skb+0x130/0x360 [ 2441.126804][ T74] netlink_unicast+0x449/0x710 [ 2441.126804][ T74] netlink_sendmsg+0x723/0xbe0 [ 2441.126804][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2441.126804][ T74] ___sys_sendmsg+0xee/0x170 [ 2441.126804][ T74] __sys_sendmsg+0xcd/0x170 [ 2441.126804][ T74] do_syscall_64+0xc6/0x1e0 [ 2441.126804][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2441.126804][ T74] [ 2441.128806][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2441.128806][ T74] netdev_get_by_index+0x5e/0x80 [ 2441.128806][ T74] fib6_nh_init+0x3d8/0x1580 [ 2441.128806][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2441.128806][ T74] ip6_route_add+0x1c/0x140 [ 2441.128806][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2441.128806][ T74] addrconf_add_dev+0xe2/0x170 [ 2441.128806][ T74] inet6_addr_add+0x12f/0xa40 [ 2441.128806][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2441.128806][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2441.128806][ T74] netlink_rcv_skb+0x130/0x360 [ 2441.128806][ T74] netlink_unicast+0x449/0x710 [ 2441.128806][ T74] netlink_sendmsg+0x723/0xbe0 [ 2441.128806][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2441.128806][ T74] ___sys_sendmsg+0xee/0x170 [ 2441.128806][ T74] __sys_sendmsg+0xcd/0x170 [ 2441.128806][ T74] do_syscall_64+0xc6/0x1e0 [ 2441.128806][ T74] [ 2441.130754][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2441.130754][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2441.130754][ T74] ipv6_find_idev+0x102/0x170 [ 2441.130754][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2441.130754][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2441.130754][ T74] netlink_rcv_skb+0x130/0x360 [ 2441.130754][ T74] netlink_unicast+0x449/0x710 [ 2441.130754][ T74] netlink_sendmsg+0x723/0xbe0 [ 2441.130754][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2441.130754][ T74] ___sys_sendmsg+0xee/0x170 [ 2441.130754][ T74] __sys_sendmsg+0xcd/0x170 [ 2441.130754][ T74] do_syscall_64+0xc6/0x1e0 [ 2441.130754][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2441.130754][ T74] [ 2441.132280][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2441.132280][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2441.132280][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2441.132280][ T74] ipv6_find_idev+0x102/0x170 [ 2441.132280][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2441.132280][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2441.132280][ T74] netlink_rcv_skb+0x130/0x360 [ 2441.132280][ T74] netlink_unicast+0x449/0x710 [ 2441.132280][ T74] netlink_sendmsg+0x723/0xbe0 [ 2441.132280][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2441.132280][ T74] ___sys_sendmsg+0xee/0x170 [ 2441.132280][ T74] __sys_sendmsg+0xcd/0x170 [ 2441.132280][ T74] do_syscall_64+0xc6/0x1e0 [ 2441.132280][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2441.132280][ T74] [ 2441.133965][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2441.134245][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2441.134245][ T74] dst_init+0x84/0x4a0 [ 2441.134245][ T74] dst_alloc+0x97/0x150 [ 2441.134245][ T74] ip6_dst_alloc+0x23/0x90 [ 2441.134245][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2441.134245][ T74] ip6_pol_route+0x56f/0x840 [ 2441.134245][ T74] fib6_rule_lookup+0x456/0x630 [ 2441.134245][ T74] ip6_route_input+0x59c/0xa50 [ 2441.134245][ T74] ipv6_rcv+0x397/0x810 [ 2441.134245][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2441.134245][ T74] process_backlog+0x101/0x620 [ 2441.134245][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2441.134245][ T74] net_rx_action+0x495/0xbe0 [ 2441.134245][ T74] __do_softirq+0x1b5/0x7f6 [ 2441.134245][ T74] [ 2441.135877][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2441.135877][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2441.135877][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2441.135877][ T74] fib6_nh_init+0xa22/0x1580 [ 2441.135877][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2441.135877][ T74] ip6_route_add+0x1c/0x140 [ 2441.135877][ T74] inet6_rtm_newroute+0x104/0x110 [ 2441.135877][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2441.135877][ T74] netlink_rcv_skb+0x130/0x360 [ 2441.135877][ T74] netlink_unicast+0x449/0x710 [ 2441.135877][ T74] netlink_sendmsg+0x723/0xbe0 [ 2441.135877][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2441.135877][ T74] ___sys_sendmsg+0xee/0x170 [ 2441.135877][ T74] __sys_sendmsg+0xcd/0x170 [ 2441.135877][ T74] do_syscall_64+0xc6/0x1e0 [ 2441.135877][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2441.135877][ T74] [ 2441.138151][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2441.138151][ T74] netdev_get_by_index+0x5e/0x80 [ 2441.138151][ T74] fib6_nh_init+0x3d8/0x1580 [ 2441.138151][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2441.138151][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2441.138151][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2441.138151][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2441.138151][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2441.138151][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2441.138151][ T74] addrconf_dad_begin+0x310/0x670 [ 2441.138151][ T74] addrconf_dad_work+0x10b/0xab0 [ 2441.138151][ T74] process_one_work+0x84d/0x18a0 [ 2441.138151][ T74] worker_thread+0x587/0xd30 [ 2441.138151][ T74] kthread+0x28a/0x350 [ 2441.138151][ T74] ret_from_fork+0x31/0x70 [ 2441.138151][ T74] ret_from_fork_asm+0x1a/0x30 [ 2441.138151][ T74] [ 2441.140048][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2441.140048][ T74] netdev_get_by_index+0x5e/0x80 [ 2441.140048][ T74] fib6_nh_init+0x3d8/0x1580 [ 2441.140048][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2441.140048][ T74] ip6_route_add+0x1c/0x140 [ 2441.140048][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2441.140048][ T74] inet6_addr_add+0x4f8/0xa40 [ 2441.140048][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2441.140048][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2441.140048][ T74] netlink_rcv_skb+0x130/0x360 [ 2441.140048][ T74] netlink_unicast+0x449/0x710 [ 2441.140048][ T74] netlink_sendmsg+0x723/0xbe0 [ 2441.140048][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2441.140048][ T74] ___sys_sendmsg+0xee/0x170 [ 2441.140048][ T74] __sys_sendmsg+0xcd/0x170 [ 2441.140048][ T74] do_syscall_64+0xc6/0x1e0 [ 2441.140048][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2441.140048][ T74] [ 2441.142047][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2441.142047][ T74] netdev_get_by_index+0x5e/0x80 [ 2441.142047][ T74] fib6_nh_init+0x3d8/0x1580 [ 2441.142047][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2441.142047][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2441.142047][ T74] ipv6_add_addr+0x411/0x2000 [ 2441.142047][ T74] inet6_addr_add+0x30e/0xa40 [ 2441.142047][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2441.142047][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2441.142047][ T74] netlink_rcv_skb+0x130/0x360 [ 2441.142047][ T74] netlink_unicast+0x449/0x710 [ 2441.142047][ T74] netlink_sendmsg+0x723/0xbe0 [ 2441.142047][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2441.142047][ T74] ___sys_sendmsg+0xee/0x170 [ 2441.142047][ T74] __sys_sendmsg+0xcd/0x170 [ 2441.142047][ T74] do_syscall_64+0xc6/0x1e0 [ 2441.142047][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2441.142047][ T74] [ 2441.144029][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2441.144029][ T74] netdev_get_by_index+0x5e/0x80 [ 2441.144029][ T74] fib6_nh_init+0x3d8/0x1580 [ 2441.144029][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2441.144029][ T74] ip6_route_add+0x1c/0x140 [ 2441.144029][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2441.144029][ T74] addrconf_add_dev+0xe2/0x170 [ 2441.144029][ T74] inet6_addr_add+0x12f/0xa40 [ 2441.144029][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2441.144029][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2441.144029][ T74] netlink_rcv_skb+0x130/0x360 [ 2441.144029][ T74] netlink_unicast+0x449/0x710 [ 2441.144029][ T74] netlink_sendmsg+0x723/0xbe0 [ 2441.144029][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2441.144029][ T74] ___sys_sendmsg+0xee/0x170 [ 2441.144029][ T74] __sys_sendmsg+0xcd/0x170 [ 2441.144029][ T74] do_syscall_64+0xc6/0x1e0 [ 2441.144029][ T74] [ 2441.146013][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2441.146013][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2441.146013][ T74] ipv6_find_idev+0x102/0x170 [ 2441.146013][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2441.146013][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2441.146013][ T74] netlink_rcv_skb+0x130/0x360 [ 2441.146013][ T74] netlink_unicast+0x449/0x710 [ 2441.146013][ T74] netlink_sendmsg+0x723/0xbe0 [ 2441.146013][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2441.146013][ T74] ___sys_sendmsg+0xee/0x170 [ 2441.146013][ T74] __sys_sendmsg+0xcd/0x170 [ 2441.146013][ T74] do_syscall_64+0xc6/0x1e0 [ 2441.146013][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2441.146013][ T74] [ 2441.147690][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2441.147690][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2441.147690][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2441.147690][ T74] ipv6_find_idev+0x102/0x170 [ 2441.147690][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2441.147690][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2441.147690][ T74] netlink_rcv_skb+0x130/0x360 [ 2441.147690][ T74] netlink_unicast+0x449/0x710 [ 2441.147690][ T74] netlink_sendmsg+0x723/0xbe0 [ 2441.147690][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2441.147690][ T74] ___sys_sendmsg+0xee/0x170 [ 2441.147690][ T74] __sys_sendmsg+0xcd/0x170 [ 2441.147690][ T74] do_syscall_64+0xc6/0x1e0 [ 2441.147690][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2441.147690][ T74] [ 2441.149669][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2441.149919][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2441.149919][ T74] netdev_get_by_index+0x5e/0x80 [ 2441.149919][ T74] fib6_nh_init+0x3d8/0x1580 [ 2441.149919][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2441.149919][ T74] ip6_route_add+0x1c/0x140 [ 2441.149919][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2441.149919][ T74] inet6_addr_add+0x4f8/0xa40 [ 2441.149919][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2441.149919][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2441.149919][ T74] netlink_rcv_skb+0x130/0x360 [ 2441.149919][ T74] netlink_unicast+0x449/0x710 [ 2441.149919][ T74] netlink_sendmsg+0x723/0xbe0 [ 2441.149919][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2441.149919][ T74] ___sys_sendmsg+0xee/0x170 [ 2441.149919][ T74] __sys_sendmsg+0xcd/0x170 [ 2441.149919][ T74] do_syscall_64+0xc6/0x1e0 [ 2441.149919][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2441.149919][ T74] [ 2441.152168][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2441.152168][ T74] netdev_get_by_index+0x5e/0x80 [ 2441.152168][ T74] fib6_nh_init+0x3d8/0x1580 [ 2441.152168][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2441.152168][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2441.152168][ T74] ipv6_add_addr+0x411/0x2000 [ 2441.152168][ T74] inet6_addr_add+0x30e/0xa40 [ 2441.152168][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2441.152168][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2441.152168][ T74] netlink_rcv_skb+0x130/0x360 [ 2441.152168][ T74] netlink_unicast+0x449/0x710 [ 2441.152168][ T74] netlink_sendmsg+0x723/0xbe0 [ 2441.152168][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2441.152168][ T74] ___sys_sendmsg+0xee/0x170 [ 2441.152168][ T74] __sys_sendmsg+0xcd/0x170 [ 2441.152168][ T74] do_syscall_64+0xc6/0x1e0 [ 2441.152168][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2441.152168][ T74] [ 2441.154402][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2441.154402][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2441.154402][ T74] ipv6_find_idev+0x102/0x170 [ 2441.154402][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2441.154402][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2441.154402][ T74] netlink_rcv_skb+0x130/0x360 [ 2441.154402][ T74] netlink_unicast+0x449/0x710 [ 2441.154402][ T74] netlink_sendmsg+0x723/0xbe0 [ 2441.154402][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2441.154402][ T74] ___sys_sendmsg+0xee/0x170 [ 2441.154402][ T74] __sys_sendmsg+0xcd/0x170 [ 2441.154402][ T74] do_syscall_64+0xc6/0x1e0 [ 2441.154402][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2441.154402][ T74] [ 2441.156075][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2441.156075][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2441.156075][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2441.156075][ T74] ipv6_find_idev+0x102/0x170 [ 2441.156075][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2441.156075][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2441.156075][ T74] netlink_rcv_skb+0x130/0x360 [ 2441.156075][ T74] netlink_unicast+0x449/0x710 [ 2441.156075][ T74] netlink_sendmsg+0x723/0xbe0 [ 2441.156075][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2441.156075][ T74] ___sys_sendmsg+0xee/0x170 [ 2441.156075][ T74] __sys_sendmsg+0xcd/0x170 [ 2441.156075][ T74] do_syscall_64+0xc6/0x1e0 [ 2441.156075][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2441.156075][ T74] [ 2451.215946][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2451.216324][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2451.216324][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2451.216324][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2451.216324][ T74] fib6_nh_init+0xa22/0x1580 [ 2451.216324][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2451.216324][ T74] ip6_route_add+0x1c/0x140 [ 2451.216324][ T74] inet6_rtm_newroute+0x104/0x110 [ 2451.216324][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2451.216324][ T74] netlink_rcv_skb+0x130/0x360 [ 2451.216324][ T74] netlink_unicast+0x449/0x710 [ 2451.216324][ T74] netlink_sendmsg+0x723/0xbe0 [ 2451.216324][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2451.216324][ T74] ___sys_sendmsg+0xee/0x170 [ 2451.216324][ T74] __sys_sendmsg+0xcd/0x170 [ 2451.216324][ T74] do_syscall_64+0xc6/0x1e0 [ 2451.216324][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2451.216324][ T74] [ 2451.218228][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2451.218228][ T74] netdev_get_by_index+0x5e/0x80 [ 2451.218228][ T74] fib6_nh_init+0x3d8/0x1580 [ 2451.218228][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2451.218228][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2451.218228][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2451.218228][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2451.218228][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2451.218228][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2451.218228][ T74] addrconf_dad_begin+0x310/0x670 [ 2451.218228][ T74] addrconf_dad_work+0x10b/0xab0 [ 2451.218228][ T74] process_one_work+0x84d/0x18a0 [ 2451.218228][ T74] worker_thread+0x587/0xd30 [ 2451.218228][ T74] kthread+0x28a/0x350 [ 2451.218228][ T74] ret_from_fork+0x31/0x70 [ 2451.218228][ T74] ret_from_fork_asm+0x1a/0x30 [ 2451.218228][ T74] [ 2451.220203][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2451.220203][ T74] netdev_get_by_index+0x5e/0x80 [ 2451.220203][ T74] fib6_nh_init+0x3d8/0x1580 [ 2451.220203][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2451.220203][ T74] ip6_route_add+0x1c/0x140 [ 2451.220203][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2451.220203][ T74] inet6_addr_add+0x4f8/0xa40 [ 2451.220203][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2451.220203][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2451.220203][ T74] netlink_rcv_skb+0x130/0x360 [ 2451.220203][ T74] netlink_unicast+0x449/0x710 [ 2451.220203][ T74] netlink_sendmsg+0x723/0xbe0 [ 2451.220203][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2451.220203][ T74] ___sys_sendmsg+0xee/0x170 [ 2451.220203][ T74] __sys_sendmsg+0xcd/0x170 [ 2451.220203][ T74] do_syscall_64+0xc6/0x1e0 [ 2451.220203][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2451.220203][ T74] [ 2451.222247][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2451.222247][ T74] netdev_get_by_index+0x5e/0x80 [ 2451.222247][ T74] fib6_nh_init+0x3d8/0x1580 [ 2451.222247][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2451.222247][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2451.222247][ T74] ipv6_add_addr+0x411/0x2000 [ 2451.222247][ T74] inet6_addr_add+0x30e/0xa40 [ 2451.222247][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2451.222247][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2451.222247][ T74] netlink_rcv_skb+0x130/0x360 [ 2451.222247][ T74] netlink_unicast+0x449/0x710 [ 2451.222247][ T74] netlink_sendmsg+0x723/0xbe0 [ 2451.222247][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2451.222247][ T74] ___sys_sendmsg+0xee/0x170 [ 2451.222247][ T74] __sys_sendmsg+0xcd/0x170 [ 2451.222247][ T74] do_syscall_64+0xc6/0x1e0 [ 2451.222247][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2451.222247][ T74] [ 2451.224265][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2451.224265][ T74] netdev_get_by_index+0x5e/0x80 [ 2451.224265][ T74] fib6_nh_init+0x3d8/0x1580 [ 2451.224265][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2451.224265][ T74] ip6_route_add+0x1c/0x140 [ 2451.224265][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2451.224265][ T74] addrconf_add_dev+0xe2/0x170 [ 2451.224265][ T74] inet6_addr_add+0x12f/0xa40 [ 2451.224265][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2451.224265][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2451.224265][ T74] netlink_rcv_skb+0x130/0x360 [ 2451.224265][ T74] netlink_unicast+0x449/0x710 [ 2451.224265][ T74] netlink_sendmsg+0x723/0xbe0 [ 2451.224265][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2451.224265][ T74] ___sys_sendmsg+0xee/0x170 [ 2451.224265][ T74] __sys_sendmsg+0xcd/0x170 [ 2451.224265][ T74] do_syscall_64+0xc6/0x1e0 [ 2451.224265][ T74] [ 2451.226646][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2451.226646][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2451.226646][ T74] ipv6_find_idev+0x102/0x170 [ 2451.226646][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2451.226646][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2451.226646][ T74] netlink_rcv_skb+0x130/0x360 [ 2451.226646][ T74] netlink_unicast+0x449/0x710 [ 2451.226646][ T74] netlink_sendmsg+0x723/0xbe0 [ 2451.226646][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2451.226646][ T74] ___sys_sendmsg+0xee/0x170 [ 2451.226646][ T74] __sys_sendmsg+0xcd/0x170 [ 2451.226646][ T74] do_syscall_64+0xc6/0x1e0 [ 2451.226646][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2451.226646][ T74] [ 2451.228224][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2451.228224][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2451.228224][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2451.228224][ T74] ipv6_find_idev+0x102/0x170 [ 2451.228224][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2451.228224][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2451.228224][ T74] netlink_rcv_skb+0x130/0x360 [ 2451.228224][ T74] netlink_unicast+0x449/0x710 [ 2451.228224][ T74] netlink_sendmsg+0x723/0xbe0 [ 2451.228224][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2451.228224][ T74] ___sys_sendmsg+0xee/0x170 [ 2451.228224][ T74] __sys_sendmsg+0xcd/0x170 [ 2451.228224][ T74] do_syscall_64+0xc6/0x1e0 [ 2451.228224][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2451.228224][ T74] [ 2451.229942][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2451.230593][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2451.230593][ T74] dst_init+0x84/0x4a0 [ 2451.230593][ T74] dst_alloc+0x97/0x150 [ 2451.230593][ T74] ip6_dst_alloc+0x23/0x90 [ 2451.230593][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2451.230593][ T74] ip6_pol_route+0x56f/0x840 [ 2451.230593][ T74] fib6_rule_lookup+0x456/0x630 [ 2451.230593][ T74] ip6_route_input+0x59c/0xa50 [ 2451.230593][ T74] ipv6_rcv+0x397/0x810 [ 2451.230593][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2451.230593][ T74] process_backlog+0x101/0x620 [ 2451.230593][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2451.230593][ T74] net_rx_action+0x495/0xbe0 [ 2451.230593][ T74] __do_softirq+0x1b5/0x7f6 [ 2451.230593][ T74] [ 2451.232246][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2451.232246][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2451.232246][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2451.232246][ T74] fib6_nh_init+0xa22/0x1580 [ 2451.232246][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2451.232246][ T74] ip6_route_add+0x1c/0x140 [ 2451.232246][ T74] inet6_rtm_newroute+0x104/0x110 [ 2451.232246][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2451.232246][ T74] netlink_rcv_skb+0x130/0x360 [ 2451.232246][ T74] netlink_unicast+0x449/0x710 [ 2451.232246][ T74] netlink_sendmsg+0x723/0xbe0 [ 2451.232246][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2451.232246][ T74] ___sys_sendmsg+0xee/0x170 [ 2451.232246][ T74] __sys_sendmsg+0xcd/0x170 [ 2451.232246][ T74] do_syscall_64+0xc6/0x1e0 [ 2451.232246][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2451.232246][ T74] [ 2451.234132][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2451.234132][ T74] netdev_get_by_index+0x5e/0x80 [ 2451.234132][ T74] fib6_nh_init+0x3d8/0x1580 [ 2451.234132][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2451.234132][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2451.234132][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2451.234132][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2451.234132][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2451.234132][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2451.234132][ T74] addrconf_dad_begin+0x310/0x670 [ 2451.234132][ T74] addrconf_dad_work+0x10b/0xab0 [ 2451.234132][ T74] process_one_work+0x84d/0x18a0 [ 2451.234132][ T74] worker_thread+0x587/0xd30 [ 2451.234132][ T74] kthread+0x28a/0x350 [ 2451.234132][ T74] ret_from_fork+0x31/0x70 [ 2451.234132][ T74] ret_from_fork_asm+0x1a/0x30 [ 2451.234132][ T74] [ 2451.236040][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2451.236040][ T74] netdev_get_by_index+0x5e/0x80 [ 2451.236040][ T74] fib6_nh_init+0x3d8/0x1580 [ 2451.236040][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2451.236040][ T74] ip6_route_add+0x1c/0x140 [ 2451.236040][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2451.236040][ T74] inet6_addr_add+0x4f8/0xa40 [ 2451.236040][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2451.236040][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2451.236040][ T74] netlink_rcv_skb+0x130/0x360 [ 2451.236040][ T74] netlink_unicast+0x449/0x710 [ 2451.236040][ T74] netlink_sendmsg+0x723/0xbe0 [ 2451.236040][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2451.236040][ T74] ___sys_sendmsg+0xee/0x170 [ 2451.236040][ T74] __sys_sendmsg+0xcd/0x170 [ 2451.236040][ T74] do_syscall_64+0xc6/0x1e0 [ 2451.236040][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2451.236040][ T74] [ 2451.238065][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2451.238065][ T74] netdev_get_by_index+0x5e/0x80 [ 2451.238065][ T74] fib6_nh_init+0x3d8/0x1580 [ 2451.238065][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2451.238065][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2451.238065][ T74] ipv6_add_addr+0x411/0x2000 [ 2451.238065][ T74] inet6_addr_add+0x30e/0xa40 [ 2451.238065][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2451.238065][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2451.238065][ T74] netlink_rcv_skb+0x130/0x360 [ 2451.238065][ T74] netlink_unicast+0x449/0x710 [ 2451.238065][ T74] netlink_sendmsg+0x723/0xbe0 [ 2451.238065][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2451.238065][ T74] ___sys_sendmsg+0xee/0x170 [ 2451.238065][ T74] __sys_sendmsg+0xcd/0x170 [ 2451.238065][ T74] do_syscall_64+0xc6/0x1e0 [ 2451.238065][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2451.238065][ T74] [ 2451.240086][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2451.240086][ T74] netdev_get_by_index+0x5e/0x80 [ 2451.240086][ T74] fib6_nh_init+0x3d8/0x1580 [ 2451.240086][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2451.240086][ T74] ip6_route_add+0x1c/0x140 [ 2451.240086][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2451.240086][ T74] addrconf_add_dev+0xe2/0x170 [ 2451.240086][ T74] inet6_addr_add+0x12f/0xa40 [ 2451.240086][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2451.240086][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2451.240086][ T74] netlink_rcv_skb+0x130/0x360 [ 2451.240086][ T74] netlink_unicast+0x449/0x710 [ 2451.240086][ T74] netlink_sendmsg+0x723/0xbe0 [ 2451.240086][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2451.240086][ T74] ___sys_sendmsg+0xee/0x170 [ 2451.240086][ T74] __sys_sendmsg+0xcd/0x170 [ 2451.240086][ T74] do_syscall_64+0xc6/0x1e0 [ 2451.240086][ T74] [ 2451.242052][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2451.242052][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2451.242052][ T74] ipv6_find_idev+0x102/0x170 [ 2451.242052][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2451.242052][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2451.242052][ T74] netlink_rcv_skb+0x130/0x360 [ 2451.242052][ T74] netlink_unicast+0x449/0x710 [ 2451.242052][ T74] netlink_sendmsg+0x723/0xbe0 [ 2451.242052][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2451.242052][ T74] ___sys_sendmsg+0xee/0x170 [ 2451.242052][ T74] __sys_sendmsg+0xcd/0x170 [ 2451.242052][ T74] do_syscall_64+0xc6/0x1e0 [ 2451.242052][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2451.242052][ T74] [ 2451.243751][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2451.243751][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2451.243751][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2451.243751][ T74] ipv6_find_idev+0x102/0x170 [ 2451.243751][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2451.243751][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2451.243751][ T74] netlink_rcv_skb+0x130/0x360 [ 2451.243751][ T74] netlink_unicast+0x449/0x710 [ 2451.243751][ T74] netlink_sendmsg+0x723/0xbe0 [ 2451.243751][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2451.243751][ T74] ___sys_sendmsg+0xee/0x170 [ 2451.243751][ T74] __sys_sendmsg+0xcd/0x170 [ 2451.243751][ T74] do_syscall_64+0xc6/0x1e0 [ 2451.243751][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2451.243751][ T74] [ 2451.245505][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2451.245744][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2451.245744][ T74] netdev_get_by_index+0x5e/0x80 [ 2451.245744][ T74] fib6_nh_init+0x3d8/0x1580 [ 2451.245744][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2451.245744][ T74] ip6_route_add+0x1c/0x140 [ 2451.245744][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2451.245744][ T74] inet6_addr_add+0x4f8/0xa40 [ 2451.245744][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2451.245744][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2451.245744][ T74] netlink_rcv_skb+0x130/0x360 [ 2451.245744][ T74] netlink_unicast+0x449/0x710 [ 2451.245744][ T74] netlink_sendmsg+0x723/0xbe0 [ 2451.245744][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2451.245744][ T74] ___sys_sendmsg+0xee/0x170 [ 2451.245744][ T74] __sys_sendmsg+0xcd/0x170 [ 2451.245744][ T74] do_syscall_64+0xc6/0x1e0 [ 2451.245744][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2451.245744][ T74] [ 2451.248087][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2451.248087][ T74] netdev_get_by_index+0x5e/0x80 [ 2451.248087][ T74] fib6_nh_init+0x3d8/0x1580 [ 2451.248087][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2451.248087][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2451.248087][ T74] ipv6_add_addr+0x411/0x2000 [ 2451.248087][ T74] inet6_addr_add+0x30e/0xa40 [ 2451.248087][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2451.248087][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2451.248087][ T74] netlink_rcv_skb+0x130/0x360 [ 2451.248087][ T74] netlink_unicast+0x449/0x710 [ 2451.248087][ T74] netlink_sendmsg+0x723/0xbe0 [ 2451.248087][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2451.248087][ T74] ___sys_sendmsg+0xee/0x170 [ 2451.248087][ T74] __sys_sendmsg+0xcd/0x170 [ 2451.248087][ T74] do_syscall_64+0xc6/0x1e0 [ 2451.248087][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2451.248087][ T74] [ 2451.250333][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2451.250333][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2451.250333][ T74] ipv6_find_idev+0x102/0x170 [ 2451.250333][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2451.250333][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2451.250333][ T74] netlink_rcv_skb+0x130/0x360 [ 2451.250333][ T74] netlink_unicast+0x449/0x710 [ 2451.250333][ T74] netlink_sendmsg+0x723/0xbe0 [ 2451.250333][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2451.250333][ T74] ___sys_sendmsg+0xee/0x170 [ 2451.250333][ T74] __sys_sendmsg+0xcd/0x170 [ 2451.250333][ T74] do_syscall_64+0xc6/0x1e0 [ 2451.250333][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2451.250333][ T74] [ 2451.252053][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2451.252053][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2451.252053][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2451.252053][ T74] ipv6_find_idev+0x102/0x170 [ 2451.252053][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2451.252053][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2451.252053][ T74] netlink_rcv_skb+0x130/0x360 [ 2451.252053][ T74] netlink_unicast+0x449/0x710 [ 2451.252053][ T74] netlink_sendmsg+0x723/0xbe0 [ 2451.252053][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2451.252053][ T74] ___sys_sendmsg+0xee/0x170 [ 2451.252053][ T74] __sys_sendmsg+0xcd/0x170 [ 2451.252053][ T74] do_syscall_64+0xc6/0x1e0 [ 2451.252053][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2451.252053][ T74] [ 2458.919947][ T42] INFO: task modprobe:7619 blocked for more than 860 seconds. [ 2458.920246][ T42] Not tainted 6.8.0-virtme #1 [ 2458.920364][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 2458.920560][ T42] task:modprobe state:D stack:25856 pid:7619 tgid:7619 ppid:62 flags:0x00004002 [ 2458.920805][ T42] Call Trace: [ 2458.920932][ T42] [ 2458.921004][ T42] __schedule+0x705/0x1ac0 [ 2458.921138][ T42] ? __pfx___schedule+0x10/0x10 [ 2458.921261][ T42] ? schedule+0x1a5/0x210 [ 2458.921361][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 2458.921489][ T42] ? mark_lock+0x38/0x3e0 [ 2458.921582][ T42] ? do_raw_spin_lock+0x131/0x270 [ 2458.921712][ T42] ? schedule+0x1a5/0x210 [ 2458.921809][ T42] schedule+0xdf/0x210 [ 2458.921938][ T42] schedule_preempt_disabled+0x15/0x30 [ 2458.922065][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 2458.922193][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 2458.922361][ T42] ? __pfx_console_unlock+0x10/0x10 [ 2458.922494][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 2458.922626][ T42] ? lock_acquire+0x1c1/0x220 [ 2458.922747][ T42] ? register_pernet_subsys+0x1a/0x50 [ 2458.922893][ T42] down_write+0x1c9/0x200 [ 2458.922988][ T42] ? __pfx_down_write+0x10/0x10 [ 2458.923114][ T42] ? __pfx__printk+0x10/0x10 [ 2458.923240][ T42] ? __pfx___lock_release+0x10/0x10 [ 2458.923374][ T42] register_pernet_subsys+0x1a/0x50 [ 2458.923500][ T42] tcf_register_action+0xa3/0x600 [ 2458.923636][ T42] ? __pfx_gact_init_module+0x10/0x10 [act_gact] [ 2458.923795][ T42] do_one_initcall+0xc8/0x3f0 [ 2458.923932][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 2458.924058][ T42] ? __create_object+0x5e/0xb0 [ 2458.924196][ T42] ? kasan_unpoison+0x27/0x60 [ 2458.924327][ T42] do_init_module+0x233/0x740 [ 2458.924462][ T42] load_module+0x16b5/0x2350 [ 2458.924603][ T42] ? __pfx_load_module+0x10/0x10 [ 2458.924726][ T42] ? kernel_read_file+0x3d2/0x520 [ 2458.924869][ T42] ? kernel_read_file+0x300/0x520 [ 2458.924995][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 2458.925138][ T42] ? init_module_from_file+0xd2/0x130 [ 2458.925260][ T42] init_module_from_file+0xd2/0x130 [ 2458.925383][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 2458.925537][ T42] ? __lock_release+0x103/0x460 [ 2458.925661][ T42] ? idempotent_init_module+0x32a/0x620 [ 2458.925795][ T42] ? idempotent_init_module+0x32a/0x620 [ 2458.925933][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 2458.926058][ T42] idempotent_init_module+0x342/0x620 [ 2458.926187][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 2458.926361][ T42] __x64_sys_finit_module+0xbe/0x130 [ 2458.926490][ T42] do_syscall_64+0xc6/0x1e0 [ 2458.926616][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2458.926773][ T42] RIP: 0033:0x7f1db4f62e5d [ 2458.926909][ T42] RSP: 002b:00007ffe8261b448 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 2458.927110][ T42] RAX: ffffffffffffffda RBX: 0000555e1791ec80 RCX: 00007f1db4f62e5d [ 2458.927293][ T42] RDX: 0000000000000000 RSI: 0000555dd93dca2a RDI: 0000000000000000 [ 2458.927485][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007ffe8261b580 [ 2458.927666][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555dd93dca2a [ 2458.927869][ T42] R13: 0000555e1791eac0 R14: 0000555e1791f0b0 R15: 0000555e1791ecf1 [ 2458.928067][ T42] [ 2458.928160][ T42] [ 2458.928160][ T42] Showing all locks held in the system: [ 2458.928341][ T42] 1 lock held by khungtaskd/42: [ 2458.928462][ T42] #0: ffffffff9a7591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 2458.928686][ T42] 2 locks held by kworker/u18:1/62: [ 2458.928810][ T42] #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 2458.929073][ T42] #1: ffffc9000043fda0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 2458.929348][ T42] 3 locks held by kworker/u16:1/74: [ 2458.929470][ T42] #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 2458.929712][ T42] #1: ffffc900004ffda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 2458.929941][ T42] #2: ffffffff9af6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60 [ 2458.930163][ T42] 1 lock held by modprobe/7619: [ 2458.930280][ T42] #0: ffffffff9af6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 2458.930527][ T42] [ 2458.930590][ T42] ============================================= [ 2458.930590][ T42] [ 2461.495962][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2461.496398][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2461.496398][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2461.496398][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2461.496398][ T74] fib6_nh_init+0xa22/0x1580 [ 2461.496398][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2461.496398][ T74] ip6_route_add+0x1c/0x140 [ 2461.496398][ T74] inet6_rtm_newroute+0x104/0x110 [ 2461.496398][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2461.496398][ T74] netlink_rcv_skb+0x130/0x360 [ 2461.496398][ T74] netlink_unicast+0x449/0x710 [ 2461.496398][ T74] netlink_sendmsg+0x723/0xbe0 [ 2461.496398][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2461.496398][ T74] ___sys_sendmsg+0xee/0x170 [ 2461.496398][ T74] __sys_sendmsg+0xcd/0x170 [ 2461.496398][ T74] do_syscall_64+0xc6/0x1e0 [ 2461.496398][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2461.496398][ T74] [ 2461.498319][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2461.498319][ T74] netdev_get_by_index+0x5e/0x80 [ 2461.498319][ T74] fib6_nh_init+0x3d8/0x1580 [ 2461.498319][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2461.498319][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2461.498319][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2461.498319][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2461.498319][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2461.498319][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2461.498319][ T74] addrconf_dad_begin+0x310/0x670 [ 2461.498319][ T74] addrconf_dad_work+0x10b/0xab0 [ 2461.498319][ T74] process_one_work+0x84d/0x18a0 [ 2461.498319][ T74] worker_thread+0x587/0xd30 [ 2461.498319][ T74] kthread+0x28a/0x350 [ 2461.498319][ T74] ret_from_fork+0x31/0x70 [ 2461.498319][ T74] ret_from_fork_asm+0x1a/0x30 [ 2461.498319][ T74] [ 2461.500240][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2461.500240][ T74] netdev_get_by_index+0x5e/0x80 [ 2461.500240][ T74] fib6_nh_init+0x3d8/0x1580 [ 2461.500240][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2461.500240][ T74] ip6_route_add+0x1c/0x140 [ 2461.500240][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2461.500240][ T74] inet6_addr_add+0x4f8/0xa40 [ 2461.500240][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2461.500240][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2461.500240][ T74] netlink_rcv_skb+0x130/0x360 [ 2461.500240][ T74] netlink_unicast+0x449/0x710 [ 2461.500240][ T74] netlink_sendmsg+0x723/0xbe0 [ 2461.500240][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2461.500240][ T74] ___sys_sendmsg+0xee/0x170 [ 2461.500240][ T74] __sys_sendmsg+0xcd/0x170 [ 2461.500240][ T74] do_syscall_64+0xc6/0x1e0 [ 2461.500240][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2461.500240][ T74] [ 2461.502260][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2461.502260][ T74] netdev_get_by_index+0x5e/0x80 [ 2461.502260][ T74] fib6_nh_init+0x3d8/0x1580 [ 2461.502260][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2461.502260][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2461.502260][ T74] ipv6_add_addr+0x411/0x2000 [ 2461.502260][ T74] inet6_addr_add+0x30e/0xa40 [ 2461.502260][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2461.502260][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2461.502260][ T74] netlink_rcv_skb+0x130/0x360 [ 2461.502260][ T74] netlink_unicast+0x449/0x710 [ 2461.502260][ T74] netlink_sendmsg+0x723/0xbe0 [ 2461.502260][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2461.502260][ T74] ___sys_sendmsg+0xee/0x170 [ 2461.502260][ T74] __sys_sendmsg+0xcd/0x170 [ 2461.502260][ T74] do_syscall_64+0xc6/0x1e0 [ 2461.502260][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2461.502260][ T74] [ 2461.504256][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2461.504256][ T74] netdev_get_by_index+0x5e/0x80 [ 2461.504256][ T74] fib6_nh_init+0x3d8/0x1580 [ 2461.504256][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2461.504256][ T74] ip6_route_add+0x1c/0x140 [ 2461.504256][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2461.504256][ T74] addrconf_add_dev+0xe2/0x170 [ 2461.504256][ T74] inet6_addr_add+0x12f/0xa40 [ 2461.504256][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2461.504256][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2461.504256][ T74] netlink_rcv_skb+0x130/0x360 [ 2461.504256][ T74] netlink_unicast+0x449/0x710 [ 2461.504256][ T74] netlink_sendmsg+0x723/0xbe0 [ 2461.504256][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2461.504256][ T74] ___sys_sendmsg+0xee/0x170 [ 2461.504256][ T74] __sys_sendmsg+0xcd/0x170 [ 2461.504256][ T74] do_syscall_64+0xc6/0x1e0 [ 2461.504256][ T74] [ 2461.506215][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2461.506215][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2461.506215][ T74] ipv6_find_idev+0x102/0x170 [ 2461.506215][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2461.506215][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2461.506215][ T74] netlink_rcv_skb+0x130/0x360 [ 2461.506215][ T74] netlink_unicast+0x449/0x710 [ 2461.506215][ T74] netlink_sendmsg+0x723/0xbe0 [ 2461.506215][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2461.506215][ T74] ___sys_sendmsg+0xee/0x170 [ 2461.506215][ T74] __sys_sendmsg+0xcd/0x170 [ 2461.506215][ T74] do_syscall_64+0xc6/0x1e0 [ 2461.506215][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2461.506215][ T74] [ 2461.507779][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2461.507779][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2461.507779][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2461.507779][ T74] ipv6_find_idev+0x102/0x170 [ 2461.507779][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2461.507779][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2461.507779][ T74] netlink_rcv_skb+0x130/0x360 [ 2461.507779][ T74] netlink_unicast+0x449/0x710 [ 2461.507779][ T74] netlink_sendmsg+0x723/0xbe0 [ 2461.507779][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2461.507779][ T74] ___sys_sendmsg+0xee/0x170 [ 2461.507779][ T74] __sys_sendmsg+0xcd/0x170 [ 2461.507779][ T74] do_syscall_64+0xc6/0x1e0 [ 2461.507779][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2461.507779][ T74] [ 2461.509462][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2461.509736][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2461.509736][ T74] dst_init+0x84/0x4a0 [ 2461.509736][ T74] dst_alloc+0x97/0x150 [ 2461.509736][ T74] ip6_dst_alloc+0x23/0x90 [ 2461.509736][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2461.509736][ T74] ip6_pol_route+0x56f/0x840 [ 2461.509736][ T74] fib6_rule_lookup+0x456/0x630 [ 2461.509736][ T74] ip6_route_input+0x59c/0xa50 [ 2461.509736][ T74] ipv6_rcv+0x397/0x810 [ 2461.509736][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2461.509736][ T74] process_backlog+0x101/0x620 [ 2461.509736][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2461.509736][ T74] net_rx_action+0x495/0xbe0 [ 2461.509736][ T74] __do_softirq+0x1b5/0x7f6 [ 2461.509736][ T74] [ 2461.511366][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2461.511366][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2461.511366][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2461.511366][ T74] fib6_nh_init+0xa22/0x1580 [ 2461.511366][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2461.511366][ T74] ip6_route_add+0x1c/0x140 [ 2461.511366][ T74] inet6_rtm_newroute+0x104/0x110 [ 2461.511366][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2461.511366][ T74] netlink_rcv_skb+0x130/0x360 [ 2461.511366][ T74] netlink_unicast+0x449/0x710 [ 2461.511366][ T74] netlink_sendmsg+0x723/0xbe0 [ 2461.511366][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2461.511366][ T74] ___sys_sendmsg+0xee/0x170 [ 2461.511366][ T74] __sys_sendmsg+0xcd/0x170 [ 2461.511366][ T74] do_syscall_64+0xc6/0x1e0 [ 2461.511366][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2461.511366][ T74] [ 2461.513242][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2461.513242][ T74] netdev_get_by_index+0x5e/0x80 [ 2461.513242][ T74] fib6_nh_init+0x3d8/0x1580 [ 2461.513242][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2461.513242][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2461.513242][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2461.513242][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2461.513242][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2461.513242][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2461.513242][ T74] addrconf_dad_begin+0x310/0x670 [ 2461.513242][ T74] addrconf_dad_work+0x10b/0xab0 [ 2461.513242][ T74] process_one_work+0x84d/0x18a0 [ 2461.513242][ T74] worker_thread+0x587/0xd30 [ 2461.513242][ T74] kthread+0x28a/0x350 [ 2461.513242][ T74] ret_from_fork+0x31/0x70 [ 2461.513242][ T74] ret_from_fork_asm+0x1a/0x30 [ 2461.513242][ T74] [ 2461.515143][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2461.515143][ T74] netdev_get_by_index+0x5e/0x80 [ 2461.515143][ T74] fib6_nh_init+0x3d8/0x1580 [ 2461.515143][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2461.515143][ T74] ip6_route_add+0x1c/0x140 [ 2461.515143][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2461.515143][ T74] inet6_addr_add+0x4f8/0xa40 [ 2461.515143][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2461.515143][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2461.515143][ T74] netlink_rcv_skb+0x130/0x360 [ 2461.515143][ T74] netlink_unicast+0x449/0x710 [ 2461.515143][ T74] netlink_sendmsg+0x723/0xbe0 [ 2461.515143][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2461.515143][ T74] ___sys_sendmsg+0xee/0x170 [ 2461.515143][ T74] __sys_sendmsg+0xcd/0x170 [ 2461.515143][ T74] do_syscall_64+0xc6/0x1e0 [ 2461.515143][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2461.515143][ T74] [ 2461.517144][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2461.517144][ T74] netdev_get_by_index+0x5e/0x80 [ 2461.517144][ T74] fib6_nh_init+0x3d8/0x1580 [ 2461.517144][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2461.517144][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2461.517144][ T74] ipv6_add_addr+0x411/0x2000 [ 2461.517144][ T74] inet6_addr_add+0x30e/0xa40 [ 2461.517144][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2461.517144][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2461.517144][ T74] netlink_rcv_skb+0x130/0x360 [ 2461.517144][ T74] netlink_unicast+0x449/0x710 [ 2461.517144][ T74] netlink_sendmsg+0x723/0xbe0 [ 2461.517144][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2461.517144][ T74] ___sys_sendmsg+0xee/0x170 [ 2461.517144][ T74] __sys_sendmsg+0xcd/0x170 [ 2461.517144][ T74] do_syscall_64+0xc6/0x1e0 [ 2461.517144][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2461.517144][ T74] [ 2461.519146][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2461.519146][ T74] netdev_get_by_index+0x5e/0x80 [ 2461.519146][ T74] fib6_nh_init+0x3d8/0x1580 [ 2461.519146][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2461.519146][ T74] ip6_route_add+0x1c/0x140 [ 2461.519146][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2461.519146][ T74] addrconf_add_dev+0xe2/0x170 [ 2461.519146][ T74] inet6_addr_add+0x12f/0xa40 [ 2461.519146][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2461.519146][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2461.519146][ T74] netlink_rcv_skb+0x130/0x360 [ 2461.519146][ T74] netlink_unicast+0x449/0x710 [ 2461.519146][ T74] netlink_sendmsg+0x723/0xbe0 [ 2461.519146][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2461.519146][ T74] ___sys_sendmsg+0xee/0x170 [ 2461.519146][ T74] __sys_sendmsg+0xcd/0x170 [ 2461.519146][ T74] do_syscall_64+0xc6/0x1e0 [ 2461.519146][ T74] [ 2461.521111][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2461.521111][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2461.521111][ T74] ipv6_find_idev+0x102/0x170 [ 2461.521111][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2461.521111][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2461.521111][ T74] netlink_rcv_skb+0x130/0x360 [ 2461.521111][ T74] netlink_unicast+0x449/0x710 [ 2461.521111][ T74] netlink_sendmsg+0x723/0xbe0 [ 2461.521111][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2461.521111][ T74] ___sys_sendmsg+0xee/0x170 [ 2461.521111][ T74] __sys_sendmsg+0xcd/0x170 [ 2461.521111][ T74] do_syscall_64+0xc6/0x1e0 [ 2461.521111][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2461.521111][ T74] [ 2461.522775][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2461.522775][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2461.522775][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2461.522775][ T74] ipv6_find_idev+0x102/0x170 [ 2461.522775][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2461.522775][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2461.522775][ T74] netlink_rcv_skb+0x130/0x360 [ 2461.522775][ T74] netlink_unicast+0x449/0x710 [ 2461.522775][ T74] netlink_sendmsg+0x723/0xbe0 [ 2461.522775][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2461.522775][ T74] ___sys_sendmsg+0xee/0x170 [ 2461.522775][ T74] __sys_sendmsg+0xcd/0x170 [ 2461.522775][ T74] do_syscall_64+0xc6/0x1e0 [ 2461.522775][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2461.522775][ T74] [ 2461.524501][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2461.524742][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2461.524742][ T74] netdev_get_by_index+0x5e/0x80 [ 2461.524742][ T74] fib6_nh_init+0x3d8/0x1580 [ 2461.524742][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2461.524742][ T74] ip6_route_add+0x1c/0x140 [ 2461.524742][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2461.524742][ T74] inet6_addr_add+0x4f8/0xa40 [ 2461.524742][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2461.524742][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2461.524742][ T74] netlink_rcv_skb+0x130/0x360 [ 2461.524742][ T74] netlink_unicast+0x449/0x710 [ 2461.524742][ T74] netlink_sendmsg+0x723/0xbe0 [ 2461.524742][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2461.524742][ T74] ___sys_sendmsg+0xee/0x170 [ 2461.524742][ T74] __sys_sendmsg+0xcd/0x170 [ 2461.524742][ T74] do_syscall_64+0xc6/0x1e0 [ 2461.524742][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2461.524742][ T74] [ 2461.526864][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2461.526864][ T74] netdev_get_by_index+0x5e/0x80 [ 2461.526864][ T74] fib6_nh_init+0x3d8/0x1580 [ 2461.526864][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2461.526864][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2461.526864][ T74] ipv6_add_addr+0x411/0x2000 [ 2461.526864][ T74] inet6_addr_add+0x30e/0xa40 [ 2461.526864][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2461.526864][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2461.526864][ T74] netlink_rcv_skb+0x130/0x360 [ 2461.526864][ T74] netlink_unicast+0x449/0x710 [ 2461.526864][ T74] netlink_sendmsg+0x723/0xbe0 [ 2461.526864][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2461.526864][ T74] ___sys_sendmsg+0xee/0x170 [ 2461.526864][ T74] __sys_sendmsg+0xcd/0x170 [ 2461.526864][ T74] do_syscall_64+0xc6/0x1e0 [ 2461.526864][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2461.526864][ T74] [ 2461.529132][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2461.529132][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2461.529132][ T74] ipv6_find_idev+0x102/0x170 [ 2461.529132][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2461.529132][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2461.529132][ T74] netlink_rcv_skb+0x130/0x360 [ 2461.529132][ T74] netlink_unicast+0x449/0x710 [ 2461.529132][ T74] netlink_sendmsg+0x723/0xbe0 [ 2461.529132][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2461.529132][ T74] ___sys_sendmsg+0xee/0x170 [ 2461.529132][ T74] __sys_sendmsg+0xcd/0x170 [ 2461.529132][ T74] do_syscall_64+0xc6/0x1e0 [ 2461.529132][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2461.529132][ T74] [ 2461.530791][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2461.530791][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2461.530791][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2461.530791][ T74] ipv6_find_idev+0x102/0x170 [ 2461.530791][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2461.530791][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2461.530791][ T74] netlink_rcv_skb+0x130/0x360 [ 2461.530791][ T74] netlink_unicast+0x449/0x710 [ 2461.530791][ T74] netlink_sendmsg+0x723/0xbe0 [ 2461.530791][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2461.530791][ T74] ___sys_sendmsg+0xee/0x170 [ 2461.530791][ T74] __sys_sendmsg+0xcd/0x170 [ 2461.530791][ T74] do_syscall_64+0xc6/0x1e0 [ 2461.530791][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2461.530791][ T74] [ 2471.615943][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2471.616314][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2471.616314][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2471.616314][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2471.616314][ T74] fib6_nh_init+0xa22/0x1580 [ 2471.616314][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2471.616314][ T74] ip6_route_add+0x1c/0x140 [ 2471.616314][ T74] inet6_rtm_newroute+0x104/0x110 [ 2471.616314][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2471.616314][ T74] netlink_rcv_skb+0x130/0x360 [ 2471.616314][ T74] netlink_unicast+0x449/0x710 [ 2471.616314][ T74] netlink_sendmsg+0x723/0xbe0 [ 2471.616314][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2471.616314][ T74] ___sys_sendmsg+0xee/0x170 [ 2471.616314][ T74] __sys_sendmsg+0xcd/0x170 [ 2471.616314][ T74] do_syscall_64+0xc6/0x1e0 [ 2471.616314][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2471.616314][ T74] [ 2471.618367][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2471.618367][ T74] netdev_get_by_index+0x5e/0x80 [ 2471.618367][ T74] fib6_nh_init+0x3d8/0x1580 [ 2471.618367][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2471.618367][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2471.618367][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2471.618367][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2471.618367][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2471.618367][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2471.618367][ T74] addrconf_dad_begin+0x310/0x670 [ 2471.618367][ T74] addrconf_dad_work+0x10b/0xab0 [ 2471.618367][ T74] process_one_work+0x84d/0x18a0 [ 2471.618367][ T74] worker_thread+0x587/0xd30 [ 2471.618367][ T74] kthread+0x28a/0x350 [ 2471.618367][ T74] ret_from_fork+0x31/0x70 [ 2471.618367][ T74] ret_from_fork_asm+0x1a/0x30 [ 2471.618367][ T74] [ 2471.620393][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2471.620393][ T74] netdev_get_by_index+0x5e/0x80 [ 2471.620393][ T74] fib6_nh_init+0x3d8/0x1580 [ 2471.620393][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2471.620393][ T74] ip6_route_add+0x1c/0x140 [ 2471.620393][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2471.620393][ T74] inet6_addr_add+0x4f8/0xa40 [ 2471.620393][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2471.620393][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2471.620393][ T74] netlink_rcv_skb+0x130/0x360 [ 2471.620393][ T74] netlink_unicast+0x449/0x710 [ 2471.620393][ T74] netlink_sendmsg+0x723/0xbe0 [ 2471.620393][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2471.620393][ T74] ___sys_sendmsg+0xee/0x170 [ 2471.620393][ T74] __sys_sendmsg+0xcd/0x170 [ 2471.620393][ T74] do_syscall_64+0xc6/0x1e0 [ 2471.620393][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2471.620393][ T74] [ 2471.622524][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2471.622524][ T74] netdev_get_by_index+0x5e/0x80 [ 2471.622524][ T74] fib6_nh_init+0x3d8/0x1580 [ 2471.622524][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2471.622524][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2471.622524][ T74] ipv6_add_addr+0x411/0x2000 [ 2471.622524][ T74] inet6_addr_add+0x30e/0xa40 [ 2471.622524][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2471.622524][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2471.622524][ T74] netlink_rcv_skb+0x130/0x360 [ 2471.622524][ T74] netlink_unicast+0x449/0x710 [ 2471.622524][ T74] netlink_sendmsg+0x723/0xbe0 [ 2471.622524][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2471.622524][ T74] ___sys_sendmsg+0xee/0x170 [ 2471.622524][ T74] __sys_sendmsg+0xcd/0x170 [ 2471.622524][ T74] do_syscall_64+0xc6/0x1e0 [ 2471.622524][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2471.622524][ T74] [ 2471.624662][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2471.624662][ T74] netdev_get_by_index+0x5e/0x80 [ 2471.624662][ T74] fib6_nh_init+0x3d8/0x1580 [ 2471.624662][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2471.624662][ T74] ip6_route_add+0x1c/0x140 [ 2471.624662][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2471.624662][ T74] addrconf_add_dev+0xe2/0x170 [ 2471.624662][ T74] inet6_addr_add+0x12f/0xa40 [ 2471.624662][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2471.624662][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2471.624662][ T74] netlink_rcv_skb+0x130/0x360 [ 2471.624662][ T74] netlink_unicast+0x449/0x710 [ 2471.624662][ T74] netlink_sendmsg+0x723/0xbe0 [ 2471.624662][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2471.624662][ T74] ___sys_sendmsg+0xee/0x170 [ 2471.624662][ T74] __sys_sendmsg+0xcd/0x170 [ 2471.624662][ T74] do_syscall_64+0xc6/0x1e0 [ 2471.624662][ T74] [ 2471.626761][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2471.626761][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2471.626761][ T74] ipv6_find_idev+0x102/0x170 [ 2471.626761][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2471.626761][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2471.626761][ T74] netlink_rcv_skb+0x130/0x360 [ 2471.626761][ T74] netlink_unicast+0x449/0x710 [ 2471.626761][ T74] netlink_sendmsg+0x723/0xbe0 [ 2471.626761][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2471.626761][ T74] ___sys_sendmsg+0xee/0x170 [ 2471.626761][ T74] __sys_sendmsg+0xcd/0x170 [ 2471.626761][ T74] do_syscall_64+0xc6/0x1e0 [ 2471.626761][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2471.626761][ T74] [ 2471.628312][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2471.628312][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2471.628312][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2471.628312][ T74] ipv6_find_idev+0x102/0x170 [ 2471.628312][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2471.628312][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2471.628312][ T74] netlink_rcv_skb+0x130/0x360 [ 2471.628312][ T74] netlink_unicast+0x449/0x710 [ 2471.628312][ T74] netlink_sendmsg+0x723/0xbe0 [ 2471.628312][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2471.628312][ T74] ___sys_sendmsg+0xee/0x170 [ 2471.628312][ T74] __sys_sendmsg+0xcd/0x170 [ 2471.628312][ T74] do_syscall_64+0xc6/0x1e0 [ 2471.628312][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2471.628312][ T74] [ 2471.630006][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2471.630274][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2471.630274][ T74] dst_init+0x84/0x4a0 [ 2471.630274][ T74] dst_alloc+0x97/0x150 [ 2471.630274][ T74] ip6_dst_alloc+0x23/0x90 [ 2471.630274][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2471.630274][ T74] ip6_pol_route+0x56f/0x840 [ 2471.630274][ T74] fib6_rule_lookup+0x456/0x630 [ 2471.630274][ T74] ip6_route_input+0x59c/0xa50 [ 2471.630274][ T74] ipv6_rcv+0x397/0x810 [ 2471.630274][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2471.630274][ T74] process_backlog+0x101/0x620 [ 2471.630274][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2471.630274][ T74] net_rx_action+0x495/0xbe0 [ 2471.630274][ T74] __do_softirq+0x1b5/0x7f6 [ 2471.630274][ T74] [ 2471.631970][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2471.631970][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2471.631970][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2471.631970][ T74] fib6_nh_init+0xa22/0x1580 [ 2471.631970][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2471.631970][ T74] ip6_route_add+0x1c/0x140 [ 2471.631970][ T74] inet6_rtm_newroute+0x104/0x110 [ 2471.631970][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2471.631970][ T74] netlink_rcv_skb+0x130/0x360 [ 2471.631970][ T74] netlink_unicast+0x449/0x710 [ 2471.631970][ T74] netlink_sendmsg+0x723/0xbe0 [ 2471.631970][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2471.631970][ T74] ___sys_sendmsg+0xee/0x170 [ 2471.631970][ T74] __sys_sendmsg+0xcd/0x170 [ 2471.631970][ T74] do_syscall_64+0xc6/0x1e0 [ 2471.631970][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2471.631970][ T74] [ 2471.633993][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2471.633993][ T74] netdev_get_by_index+0x5e/0x80 [ 2471.633993][ T74] fib6_nh_init+0x3d8/0x1580 [ 2471.633993][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2471.633993][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2471.633993][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2471.633993][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2471.633993][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2471.633993][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2471.633993][ T74] addrconf_dad_begin+0x310/0x670 [ 2471.633993][ T74] addrconf_dad_work+0x10b/0xab0 [ 2471.633993][ T74] process_one_work+0x84d/0x18a0 [ 2471.633993][ T74] worker_thread+0x587/0xd30 [ 2471.633993][ T74] kthread+0x28a/0x350 [ 2471.633993][ T74] ret_from_fork+0x31/0x70 [ 2471.633993][ T74] ret_from_fork_asm+0x1a/0x30 [ 2471.633993][ T74] [ 2471.635991][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2471.635991][ T74] netdev_get_by_index+0x5e/0x80 [ 2471.635991][ T74] fib6_nh_init+0x3d8/0x1580 [ 2471.635991][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2471.635991][ T74] ip6_route_add+0x1c/0x140 [ 2471.635991][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2471.635991][ T74] inet6_addr_add+0x4f8/0xa40 [ 2471.635991][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2471.635991][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2471.635991][ T74] netlink_rcv_skb+0x130/0x360 [ 2471.635991][ T74] netlink_unicast+0x449/0x710 [ 2471.635991][ T74] netlink_sendmsg+0x723/0xbe0 [ 2471.635991][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2471.635991][ T74] ___sys_sendmsg+0xee/0x170 [ 2471.635991][ T74] __sys_sendmsg+0xcd/0x170 [ 2471.635991][ T74] do_syscall_64+0xc6/0x1e0 [ 2471.635991][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2471.635991][ T74] [ 2471.638156][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2471.638156][ T74] netdev_get_by_index+0x5e/0x80 [ 2471.638156][ T74] fib6_nh_init+0x3d8/0x1580 [ 2471.638156][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2471.638156][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2471.638156][ T74] ipv6_add_addr+0x411/0x2000 [ 2471.638156][ T74] inet6_addr_add+0x30e/0xa40 [ 2471.638156][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2471.638156][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2471.638156][ T74] netlink_rcv_skb+0x130/0x360 [ 2471.638156][ T74] netlink_unicast+0x449/0x710 [ 2471.638156][ T74] netlink_sendmsg+0x723/0xbe0 [ 2471.638156][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2471.638156][ T74] ___sys_sendmsg+0xee/0x170 [ 2471.638156][ T74] __sys_sendmsg+0xcd/0x170 [ 2471.638156][ T74] do_syscall_64+0xc6/0x1e0 [ 2471.638156][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2471.638156][ T74] [ 2471.640245][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2471.640245][ T74] netdev_get_by_index+0x5e/0x80 [ 2471.640245][ T74] fib6_nh_init+0x3d8/0x1580 [ 2471.640245][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2471.640245][ T74] ip6_route_add+0x1c/0x140 [ 2471.640245][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2471.640245][ T74] addrconf_add_dev+0xe2/0x170 [ 2471.640245][ T74] inet6_addr_add+0x12f/0xa40 [ 2471.640245][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2471.640245][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2471.640245][ T74] netlink_rcv_skb+0x130/0x360 [ 2471.640245][ T74] netlink_unicast+0x449/0x710 [ 2471.640245][ T74] netlink_sendmsg+0x723/0xbe0 [ 2471.640245][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2471.640245][ T74] ___sys_sendmsg+0xee/0x170 [ 2471.640245][ T74] __sys_sendmsg+0xcd/0x170 [ 2471.640245][ T74] do_syscall_64+0xc6/0x1e0 [ 2471.640245][ T74] [ 2471.642356][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2471.642356][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2471.642356][ T74] ipv6_find_idev+0x102/0x170 [ 2471.642356][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2471.642356][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2471.642356][ T74] netlink_rcv_skb+0x130/0x360 [ 2471.642356][ T74] netlink_unicast+0x449/0x710 [ 2471.642356][ T74] netlink_sendmsg+0x723/0xbe0 [ 2471.642356][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2471.642356][ T74] ___sys_sendmsg+0xee/0x170 [ 2471.642356][ T74] __sys_sendmsg+0xcd/0x170 [ 2471.642356][ T74] do_syscall_64+0xc6/0x1e0 [ 2471.642356][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2471.642356][ T74] [ 2471.644109][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2471.644109][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2471.644109][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2471.644109][ T74] ipv6_find_idev+0x102/0x170 [ 2471.644109][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2471.644109][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2471.644109][ T74] netlink_rcv_skb+0x130/0x360 [ 2471.644109][ T74] netlink_unicast+0x449/0x710 [ 2471.644109][ T74] netlink_sendmsg+0x723/0xbe0 [ 2471.644109][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2471.644109][ T74] ___sys_sendmsg+0xee/0x170 [ 2471.644109][ T74] __sys_sendmsg+0xcd/0x170 [ 2471.644109][ T74] do_syscall_64+0xc6/0x1e0 [ 2471.644109][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2471.644109][ T74] [ 2471.646150][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2471.646421][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2471.646421][ T74] netdev_get_by_index+0x5e/0x80 [ 2471.646421][ T74] fib6_nh_init+0x3d8/0x1580 [ 2471.646421][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2471.646421][ T74] ip6_route_add+0x1c/0x140 [ 2471.646421][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2471.646421][ T74] inet6_addr_add+0x4f8/0xa40 [ 2471.646421][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2471.646421][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2471.646421][ T74] netlink_rcv_skb+0x130/0x360 [ 2471.646421][ T74] netlink_unicast+0x449/0x710 [ 2471.646421][ T74] netlink_sendmsg+0x723/0xbe0 [ 2471.646421][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2471.646421][ T74] ___sys_sendmsg+0xee/0x170 [ 2471.646421][ T74] __sys_sendmsg+0xcd/0x170 [ 2471.646421][ T74] do_syscall_64+0xc6/0x1e0 [ 2471.646421][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2471.646421][ T74] [ 2471.648777][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2471.648777][ T74] netdev_get_by_index+0x5e/0x80 [ 2471.648777][ T74] fib6_nh_init+0x3d8/0x1580 [ 2471.648777][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2471.648777][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2471.648777][ T74] ipv6_add_addr+0x411/0x2000 [ 2471.648777][ T74] inet6_addr_add+0x30e/0xa40 [ 2471.648777][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2471.648777][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2471.648777][ T74] netlink_rcv_skb+0x130/0x360 [ 2471.648777][ T74] netlink_unicast+0x449/0x710 [ 2471.648777][ T74] netlink_sendmsg+0x723/0xbe0 [ 2471.648777][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2471.648777][ T74] ___sys_sendmsg+0xee/0x170 [ 2471.648777][ T74] __sys_sendmsg+0xcd/0x170 [ 2471.648777][ T74] do_syscall_64+0xc6/0x1e0 [ 2471.648777][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2471.648777][ T74] [ 2471.651000][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2471.651000][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2471.651000][ T74] ipv6_find_idev+0x102/0x170 [ 2471.651000][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2471.651000][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2471.651000][ T74] netlink_rcv_skb+0x130/0x360 [ 2471.651000][ T74] netlink_unicast+0x449/0x710 [ 2471.651000][ T74] netlink_sendmsg+0x723/0xbe0 [ 2471.651000][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2471.651000][ T74] ___sys_sendmsg+0xee/0x170 [ 2471.651000][ T74] __sys_sendmsg+0xcd/0x170 [ 2471.651000][ T74] do_syscall_64+0xc6/0x1e0 [ 2471.651000][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2471.651000][ T74] [ 2471.652718][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2471.652718][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2471.652718][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2471.652718][ T74] ipv6_find_idev+0x102/0x170 [ 2471.652718][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2471.652718][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2471.652718][ T74] netlink_rcv_skb+0x130/0x360 [ 2471.652718][ T74] netlink_unicast+0x449/0x710 [ 2471.652718][ T74] netlink_sendmsg+0x723/0xbe0 [ 2471.652718][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2471.652718][ T74] ___sys_sendmsg+0xee/0x170 [ 2471.652718][ T74] __sys_sendmsg+0xcd/0x170 [ 2471.652718][ T74] do_syscall_64+0xc6/0x1e0 [ 2471.652718][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2471.652718][ T74] [ 2481.927947][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2481.928392][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2481.928392][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2481.928392][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2481.928392][ T74] fib6_nh_init+0xa22/0x1580 [ 2481.928392][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2481.928392][ T74] ip6_route_add+0x1c/0x140 [ 2481.928392][ T74] inet6_rtm_newroute+0x104/0x110 [ 2481.928392][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2481.928392][ T74] netlink_rcv_skb+0x130/0x360 [ 2481.928392][ T74] netlink_unicast+0x449/0x710 [ 2481.928392][ T74] netlink_sendmsg+0x723/0xbe0 [ 2481.928392][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2481.928392][ T74] ___sys_sendmsg+0xee/0x170 [ 2481.928392][ T74] __sys_sendmsg+0xcd/0x170 [ 2481.928392][ T74] do_syscall_64+0xc6/0x1e0 [ 2481.928392][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2481.928392][ T74] [ 2481.930292][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2481.930292][ T74] netdev_get_by_index+0x5e/0x80 [ 2481.930292][ T74] fib6_nh_init+0x3d8/0x1580 [ 2481.930292][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2481.930292][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2481.930292][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2481.930292][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2481.930292][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2481.930292][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2481.930292][ T74] addrconf_dad_begin+0x310/0x670 [ 2481.930292][ T74] addrconf_dad_work+0x10b/0xab0 [ 2481.930292][ T74] process_one_work+0x84d/0x18a0 [ 2481.930292][ T74] worker_thread+0x587/0xd30 [ 2481.930292][ T74] kthread+0x28a/0x350 [ 2481.930292][ T74] ret_from_fork+0x31/0x70 [ 2481.930292][ T74] ret_from_fork_asm+0x1a/0x30 [ 2481.930292][ T74] [ 2481.932195][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2481.932195][ T74] netdev_get_by_index+0x5e/0x80 [ 2481.932195][ T74] fib6_nh_init+0x3d8/0x1580 [ 2481.932195][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2481.932195][ T74] ip6_route_add+0x1c/0x140 [ 2481.932195][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2481.932195][ T74] inet6_addr_add+0x4f8/0xa40 [ 2481.932195][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2481.932195][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2481.932195][ T74] netlink_rcv_skb+0x130/0x360 [ 2481.932195][ T74] netlink_unicast+0x449/0x710 [ 2481.932195][ T74] netlink_sendmsg+0x723/0xbe0 [ 2481.932195][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2481.932195][ T74] ___sys_sendmsg+0xee/0x170 [ 2481.932195][ T74] __sys_sendmsg+0xcd/0x170 [ 2481.932195][ T74] do_syscall_64+0xc6/0x1e0 [ 2481.932195][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2481.932195][ T74] [ 2481.934188][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2481.934188][ T74] netdev_get_by_index+0x5e/0x80 [ 2481.934188][ T74] fib6_nh_init+0x3d8/0x1580 [ 2481.934188][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2481.934188][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2481.934188][ T74] ipv6_add_addr+0x411/0x2000 [ 2481.934188][ T74] inet6_addr_add+0x30e/0xa40 [ 2481.934188][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2481.934188][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2481.934188][ T74] netlink_rcv_skb+0x130/0x360 [ 2481.934188][ T74] netlink_unicast+0x449/0x710 [ 2481.934188][ T74] netlink_sendmsg+0x723/0xbe0 [ 2481.934188][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2481.934188][ T74] ___sys_sendmsg+0xee/0x170 [ 2481.934188][ T74] __sys_sendmsg+0xcd/0x170 [ 2481.934188][ T74] do_syscall_64+0xc6/0x1e0 [ 2481.934188][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2481.934188][ T74] [ 2481.936175][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2481.936175][ T74] netdev_get_by_index+0x5e/0x80 [ 2481.936175][ T74] fib6_nh_init+0x3d8/0x1580 [ 2481.936175][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2481.936175][ T74] ip6_route_add+0x1c/0x140 [ 2481.936175][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2481.936175][ T74] addrconf_add_dev+0xe2/0x170 [ 2481.936175][ T74] inet6_addr_add+0x12f/0xa40 [ 2481.936175][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2481.936175][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2481.936175][ T74] netlink_rcv_skb+0x130/0x360 [ 2481.936175][ T74] netlink_unicast+0x449/0x710 [ 2481.936175][ T74] netlink_sendmsg+0x723/0xbe0 [ 2481.936175][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2481.936175][ T74] ___sys_sendmsg+0xee/0x170 [ 2481.936175][ T74] __sys_sendmsg+0xcd/0x170 [ 2481.936175][ T74] do_syscall_64+0xc6/0x1e0 [ 2481.936175][ T74] [ 2481.938138][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2481.938138][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2481.938138][ T74] ipv6_find_idev+0x102/0x170 [ 2481.938138][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2481.938138][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2481.938138][ T74] netlink_rcv_skb+0x130/0x360 [ 2481.938138][ T74] netlink_unicast+0x449/0x710 [ 2481.938138][ T74] netlink_sendmsg+0x723/0xbe0 [ 2481.938138][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2481.938138][ T74] ___sys_sendmsg+0xee/0x170 [ 2481.938138][ T74] __sys_sendmsg+0xcd/0x170 [ 2481.938138][ T74] do_syscall_64+0xc6/0x1e0 [ 2481.938138][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2481.938138][ T74] [ 2481.939678][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2481.939678][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2481.939678][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2481.939678][ T74] ipv6_find_idev+0x102/0x170 [ 2481.939678][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2481.939678][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2481.939678][ T74] netlink_rcv_skb+0x130/0x360 [ 2481.939678][ T74] netlink_unicast+0x449/0x710 [ 2481.939678][ T74] netlink_sendmsg+0x723/0xbe0 [ 2481.939678][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2481.939678][ T74] ___sys_sendmsg+0xee/0x170 [ 2481.939678][ T74] __sys_sendmsg+0xcd/0x170 [ 2481.939678][ T74] do_syscall_64+0xc6/0x1e0 [ 2481.939678][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2481.939678][ T74] [ 2481.941385][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2481.941657][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2481.941657][ T74] dst_init+0x84/0x4a0 [ 2481.941657][ T74] dst_alloc+0x97/0x150 [ 2481.941657][ T74] ip6_dst_alloc+0x23/0x90 [ 2481.941657][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2481.941657][ T74] ip6_pol_route+0x56f/0x840 [ 2481.941657][ T74] fib6_rule_lookup+0x456/0x630 [ 2481.941657][ T74] ip6_route_input+0x59c/0xa50 [ 2481.941657][ T74] ipv6_rcv+0x397/0x810 [ 2481.941657][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2481.941657][ T74] process_backlog+0x101/0x620 [ 2481.941657][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2481.941657][ T74] net_rx_action+0x495/0xbe0 [ 2481.941657][ T74] __do_softirq+0x1b5/0x7f6 [ 2481.941657][ T74] [ 2481.943297][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2481.943297][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2481.943297][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2481.943297][ T74] fib6_nh_init+0xa22/0x1580 [ 2481.943297][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2481.943297][ T74] ip6_route_add+0x1c/0x140 [ 2481.943297][ T74] inet6_rtm_newroute+0x104/0x110 [ 2481.943297][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2481.943297][ T74] netlink_rcv_skb+0x130/0x360 [ 2481.943297][ T74] netlink_unicast+0x449/0x710 [ 2481.943297][ T74] netlink_sendmsg+0x723/0xbe0 [ 2481.943297][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2481.943297][ T74] ___sys_sendmsg+0xee/0x170 [ 2481.943297][ T74] __sys_sendmsg+0xcd/0x170 [ 2481.943297][ T74] do_syscall_64+0xc6/0x1e0 [ 2481.943297][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2481.943297][ T74] [ 2481.945172][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2481.945172][ T74] netdev_get_by_index+0x5e/0x80 [ 2481.945172][ T74] fib6_nh_init+0x3d8/0x1580 [ 2481.945172][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2481.945172][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2481.945172][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2481.945172][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2481.945172][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2481.945172][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2481.945172][ T74] addrconf_dad_begin+0x310/0x670 [ 2481.945172][ T74] addrconf_dad_work+0x10b/0xab0 [ 2481.945172][ T74] process_one_work+0x84d/0x18a0 [ 2481.945172][ T74] worker_thread+0x587/0xd30 [ 2481.945172][ T74] kthread+0x28a/0x350 [ 2481.945172][ T74] ret_from_fork+0x31/0x70 [ 2481.945172][ T74] ret_from_fork_asm+0x1a/0x30 [ 2481.945172][ T74] [ 2481.947089][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2481.947089][ T74] netdev_get_by_index+0x5e/0x80 [ 2481.947089][ T74] fib6_nh_init+0x3d8/0x1580 [ 2481.947089][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2481.947089][ T74] ip6_route_add+0x1c/0x140 [ 2481.947089][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2481.947089][ T74] inet6_addr_add+0x4f8/0xa40 [ 2481.947089][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2481.947089][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2481.947089][ T74] netlink_rcv_skb+0x130/0x360 [ 2481.947089][ T74] netlink_unicast+0x449/0x710 [ 2481.947089][ T74] netlink_sendmsg+0x723/0xbe0 [ 2481.947089][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2481.947089][ T74] ___sys_sendmsg+0xee/0x170 [ 2481.947089][ T74] __sys_sendmsg+0xcd/0x170 [ 2481.947089][ T74] do_syscall_64+0xc6/0x1e0 [ 2481.947089][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2481.947089][ T74] [ 2481.949082][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2481.949082][ T74] netdev_get_by_index+0x5e/0x80 [ 2481.949082][ T74] fib6_nh_init+0x3d8/0x1580 [ 2481.949082][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2481.949082][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2481.949082][ T74] ipv6_add_addr+0x411/0x2000 [ 2481.949082][ T74] inet6_addr_add+0x30e/0xa40 [ 2481.949082][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2481.949082][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2481.949082][ T74] netlink_rcv_skb+0x130/0x360 [ 2481.949082][ T74] netlink_unicast+0x449/0x710 [ 2481.949082][ T74] netlink_sendmsg+0x723/0xbe0 [ 2481.949082][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2481.949082][ T74] ___sys_sendmsg+0xee/0x170 [ 2481.949082][ T74] __sys_sendmsg+0xcd/0x170 [ 2481.949082][ T74] do_syscall_64+0xc6/0x1e0 [ 2481.949082][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2481.949082][ T74] [ 2481.951077][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2481.951077][ T74] netdev_get_by_index+0x5e/0x80 [ 2481.951077][ T74] fib6_nh_init+0x3d8/0x1580 [ 2481.951077][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2481.951077][ T74] ip6_route_add+0x1c/0x140 [ 2481.951077][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2481.951077][ T74] addrconf_add_dev+0xe2/0x170 [ 2481.951077][ T74] inet6_addr_add+0x12f/0xa40 [ 2481.951077][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2481.951077][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2481.951077][ T74] netlink_rcv_skb+0x130/0x360 [ 2481.951077][ T74] netlink_unicast+0x449/0x710 [ 2481.951077][ T74] netlink_sendmsg+0x723/0xbe0 [ 2481.951077][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2481.951077][ T74] ___sys_sendmsg+0xee/0x170 [ 2481.951077][ T74] __sys_sendmsg+0xcd/0x170 [ 2481.951077][ T74] do_syscall_64+0xc6/0x1e0 [ 2481.951077][ T74] [ 2481.953029][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2481.953029][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2481.953029][ T74] ipv6_find_idev+0x102/0x170 [ 2481.953029][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2481.953029][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2481.953029][ T74] netlink_rcv_skb+0x130/0x360 [ 2481.953029][ T74] netlink_unicast+0x449/0x710 [ 2481.953029][ T74] netlink_sendmsg+0x723/0xbe0 [ 2481.953029][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2481.953029][ T74] ___sys_sendmsg+0xee/0x170 [ 2481.953029][ T74] __sys_sendmsg+0xcd/0x170 [ 2481.953029][ T74] do_syscall_64+0xc6/0x1e0 [ 2481.953029][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2481.953029][ T74] [ 2481.954745][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2481.954745][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2481.954745][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2481.954745][ T74] ipv6_find_idev+0x102/0x170 [ 2481.954745][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2481.954745][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2481.954745][ T74] netlink_rcv_skb+0x130/0x360 [ 2481.954745][ T74] netlink_unicast+0x449/0x710 [ 2481.954745][ T74] netlink_sendmsg+0x723/0xbe0 [ 2481.954745][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2481.954745][ T74] ___sys_sendmsg+0xee/0x170 [ 2481.954745][ T74] __sys_sendmsg+0xcd/0x170 [ 2481.954745][ T74] do_syscall_64+0xc6/0x1e0 [ 2481.954745][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2481.954745][ T74] [ 2481.956593][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2481.956831][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2481.956831][ T74] netdev_get_by_index+0x5e/0x80 [ 2481.956831][ T74] fib6_nh_init+0x3d8/0x1580 [ 2481.956831][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2481.956831][ T74] ip6_route_add+0x1c/0x140 [ 2481.956831][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2481.956831][ T74] inet6_addr_add+0x4f8/0xa40 [ 2481.956831][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2481.956831][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2481.956831][ T74] netlink_rcv_skb+0x130/0x360 [ 2481.956831][ T74] netlink_unicast+0x449/0x710 [ 2481.956831][ T74] netlink_sendmsg+0x723/0xbe0 [ 2481.956831][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2481.956831][ T74] ___sys_sendmsg+0xee/0x170 [ 2481.956831][ T74] __sys_sendmsg+0xcd/0x170 [ 2481.956831][ T74] do_syscall_64+0xc6/0x1e0 [ 2481.956831][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2481.956831][ T74] [ 2481.959019][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2481.959019][ T74] netdev_get_by_index+0x5e/0x80 [ 2481.959019][ T74] fib6_nh_init+0x3d8/0x1580 [ 2481.959019][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2481.959019][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2481.959019][ T74] ipv6_add_addr+0x411/0x2000 [ 2481.959019][ T74] inet6_addr_add+0x30e/0xa40 [ 2481.959019][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2481.959019][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2481.959019][ T74] netlink_rcv_skb+0x130/0x360 [ 2481.959019][ T74] netlink_unicast+0x449/0x710 [ 2481.959019][ T74] netlink_sendmsg+0x723/0xbe0 [ 2481.959019][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2481.959019][ T74] ___sys_sendmsg+0xee/0x170 [ 2481.959019][ T74] __sys_sendmsg+0xcd/0x170 [ 2481.959019][ T74] do_syscall_64+0xc6/0x1e0 [ 2481.959019][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2481.959019][ T74] [ 2481.961313][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2481.961313][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2481.961313][ T74] ipv6_find_idev+0x102/0x170 [ 2481.961313][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2481.961313][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2481.961313][ T74] netlink_rcv_skb+0x130/0x360 [ 2481.961313][ T74] netlink_unicast+0x449/0x710 [ 2481.961313][ T74] netlink_sendmsg+0x723/0xbe0 [ 2481.961313][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2481.961313][ T74] ___sys_sendmsg+0xee/0x170 [ 2481.961313][ T74] __sys_sendmsg+0xcd/0x170 [ 2481.961313][ T74] do_syscall_64+0xc6/0x1e0 [ 2481.961313][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2481.961313][ T74] [ 2481.962905][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2481.962905][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2481.962905][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2481.962905][ T74] ipv6_find_idev+0x102/0x170 [ 2481.962905][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2481.962905][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2481.962905][ T74] netlink_rcv_skb+0x130/0x360 [ 2481.962905][ T74] netlink_unicast+0x449/0x710 [ 2481.962905][ T74] netlink_sendmsg+0x723/0xbe0 [ 2481.962905][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2481.962905][ T74] ___sys_sendmsg+0xee/0x170 [ 2481.962905][ T74] __sys_sendmsg+0xcd/0x170 [ 2481.962905][ T74] do_syscall_64+0xc6/0x1e0 [ 2481.962905][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2481.962905][ T74] [ 2492.151945][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2492.152313][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2492.152313][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2492.152313][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2492.152313][ T74] fib6_nh_init+0xa22/0x1580 [ 2492.152313][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2492.152313][ T74] ip6_route_add+0x1c/0x140 [ 2492.152313][ T74] inet6_rtm_newroute+0x104/0x110 [ 2492.152313][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2492.152313][ T74] netlink_rcv_skb+0x130/0x360 [ 2492.152313][ T74] netlink_unicast+0x449/0x710 [ 2492.152313][ T74] netlink_sendmsg+0x723/0xbe0 [ 2492.152313][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2492.152313][ T74] ___sys_sendmsg+0xee/0x170 [ 2492.152313][ T74] __sys_sendmsg+0xcd/0x170 [ 2492.152313][ T74] do_syscall_64+0xc6/0x1e0 [ 2492.152313][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2492.152313][ T74] [ 2492.154262][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2492.154262][ T74] netdev_get_by_index+0x5e/0x80 [ 2492.154262][ T74] fib6_nh_init+0x3d8/0x1580 [ 2492.154262][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2492.154262][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2492.154262][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2492.154262][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2492.154262][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2492.154262][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2492.154262][ T74] addrconf_dad_begin+0x310/0x670 [ 2492.154262][ T74] addrconf_dad_work+0x10b/0xab0 [ 2492.154262][ T74] process_one_work+0x84d/0x18a0 [ 2492.154262][ T74] worker_thread+0x587/0xd30 [ 2492.154262][ T74] kthread+0x28a/0x350 [ 2492.154262][ T74] ret_from_fork+0x31/0x70 [ 2492.154262][ T74] ret_from_fork_asm+0x1a/0x30 [ 2492.154262][ T74] [ 2492.156199][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2492.156199][ T74] netdev_get_by_index+0x5e/0x80 [ 2492.156199][ T74] fib6_nh_init+0x3d8/0x1580 [ 2492.156199][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2492.156199][ T74] ip6_route_add+0x1c/0x140 [ 2492.156199][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2492.156199][ T74] inet6_addr_add+0x4f8/0xa40 [ 2492.156199][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2492.156199][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2492.156199][ T74] netlink_rcv_skb+0x130/0x360 [ 2492.156199][ T74] netlink_unicast+0x449/0x710 [ 2492.156199][ T74] netlink_sendmsg+0x723/0xbe0 [ 2492.156199][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2492.156199][ T74] ___sys_sendmsg+0xee/0x170 [ 2492.156199][ T74] __sys_sendmsg+0xcd/0x170 [ 2492.156199][ T74] do_syscall_64+0xc6/0x1e0 [ 2492.156199][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2492.156199][ T74] [ 2492.158220][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2492.158220][ T74] netdev_get_by_index+0x5e/0x80 [ 2492.158220][ T74] fib6_nh_init+0x3d8/0x1580 [ 2492.158220][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2492.158220][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2492.158220][ T74] ipv6_add_addr+0x411/0x2000 [ 2492.158220][ T74] inet6_addr_add+0x30e/0xa40 [ 2492.158220][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2492.158220][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2492.158220][ T74] netlink_rcv_skb+0x130/0x360 [ 2492.158220][ T74] netlink_unicast+0x449/0x710 [ 2492.158220][ T74] netlink_sendmsg+0x723/0xbe0 [ 2492.158220][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2492.158220][ T74] ___sys_sendmsg+0xee/0x170 [ 2492.158220][ T74] __sys_sendmsg+0xcd/0x170 [ 2492.158220][ T74] do_syscall_64+0xc6/0x1e0 [ 2492.158220][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2492.158220][ T74] [ 2492.160240][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2492.160240][ T74] netdev_get_by_index+0x5e/0x80 [ 2492.160240][ T74] fib6_nh_init+0x3d8/0x1580 [ 2492.160240][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2492.160240][ T74] ip6_route_add+0x1c/0x140 [ 2492.160240][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2492.160240][ T74] addrconf_add_dev+0xe2/0x170 [ 2492.160240][ T74] inet6_addr_add+0x12f/0xa40 [ 2492.160240][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2492.160240][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2492.160240][ T74] netlink_rcv_skb+0x130/0x360 [ 2492.160240][ T74] netlink_unicast+0x449/0x710 [ 2492.160240][ T74] netlink_sendmsg+0x723/0xbe0 [ 2492.160240][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2492.160240][ T74] ___sys_sendmsg+0xee/0x170 [ 2492.160240][ T74] __sys_sendmsg+0xcd/0x170 [ 2492.160240][ T74] do_syscall_64+0xc6/0x1e0 [ 2492.160240][ T74] [ 2492.162215][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2492.162215][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2492.162215][ T74] ipv6_find_idev+0x102/0x170 [ 2492.162215][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2492.162215][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2492.162215][ T74] netlink_rcv_skb+0x130/0x360 [ 2492.162215][ T74] netlink_unicast+0x449/0x710 [ 2492.162215][ T74] netlink_sendmsg+0x723/0xbe0 [ 2492.162215][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2492.162215][ T74] ___sys_sendmsg+0xee/0x170 [ 2492.162215][ T74] __sys_sendmsg+0xcd/0x170 [ 2492.162215][ T74] do_syscall_64+0xc6/0x1e0 [ 2492.162215][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2492.162215][ T74] [ 2492.163759][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2492.163759][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2492.163759][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2492.163759][ T74] ipv6_find_idev+0x102/0x170 [ 2492.163759][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2492.163759][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2492.163759][ T74] netlink_rcv_skb+0x130/0x360 [ 2492.163759][ T74] netlink_unicast+0x449/0x710 [ 2492.163759][ T74] netlink_sendmsg+0x723/0xbe0 [ 2492.163759][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2492.163759][ T74] ___sys_sendmsg+0xee/0x170 [ 2492.163759][ T74] __sys_sendmsg+0xcd/0x170 [ 2492.163759][ T74] do_syscall_64+0xc6/0x1e0 [ 2492.163759][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2492.163759][ T74] [ 2492.165476][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2492.165754][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2492.165754][ T74] dst_init+0x84/0x4a0 [ 2492.165754][ T74] dst_alloc+0x97/0x150 [ 2492.165754][ T74] ip6_dst_alloc+0x23/0x90 [ 2492.165754][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2492.165754][ T74] ip6_pol_route+0x56f/0x840 [ 2492.165754][ T74] fib6_rule_lookup+0x456/0x630 [ 2492.165754][ T74] ip6_route_input+0x59c/0xa50 [ 2492.165754][ T74] ipv6_rcv+0x397/0x810 [ 2492.165754][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2492.165754][ T74] process_backlog+0x101/0x620 [ 2492.165754][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2492.165754][ T74] net_rx_action+0x495/0xbe0 [ 2492.165754][ T74] __do_softirq+0x1b5/0x7f6 [ 2492.165754][ T74] [ 2492.167422][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2492.167422][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2492.167422][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2492.167422][ T74] fib6_nh_init+0xa22/0x1580 [ 2492.167422][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2492.167422][ T74] ip6_route_add+0x1c/0x140 [ 2492.167422][ T74] inet6_rtm_newroute+0x104/0x110 [ 2492.167422][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2492.167422][ T74] netlink_rcv_skb+0x130/0x360 [ 2492.167422][ T74] netlink_unicast+0x449/0x710 [ 2492.167422][ T74] netlink_sendmsg+0x723/0xbe0 [ 2492.167422][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2492.167422][ T74] ___sys_sendmsg+0xee/0x170 [ 2492.167422][ T74] __sys_sendmsg+0xcd/0x170 [ 2492.167422][ T74] do_syscall_64+0xc6/0x1e0 [ 2492.167422][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2492.167422][ T74] [ 2492.169319][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2492.169319][ T74] netdev_get_by_index+0x5e/0x80 [ 2492.169319][ T74] fib6_nh_init+0x3d8/0x1580 [ 2492.169319][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2492.169319][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2492.169319][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2492.169319][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2492.169319][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2492.169319][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2492.169319][ T74] addrconf_dad_begin+0x310/0x670 [ 2492.169319][ T74] addrconf_dad_work+0x10b/0xab0 [ 2492.169319][ T74] process_one_work+0x84d/0x18a0 [ 2492.169319][ T74] worker_thread+0x587/0xd30 [ 2492.169319][ T74] kthread+0x28a/0x350 [ 2492.169319][ T74] ret_from_fork+0x31/0x70 [ 2492.169319][ T74] ret_from_fork_asm+0x1a/0x30 [ 2492.169319][ T74] [ 2492.171235][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2492.171235][ T74] netdev_get_by_index+0x5e/0x80 [ 2492.171235][ T74] fib6_nh_init+0x3d8/0x1580 [ 2492.171235][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2492.171235][ T74] ip6_route_add+0x1c/0x140 [ 2492.171235][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2492.171235][ T74] inet6_addr_add+0x4f8/0xa40 [ 2492.171235][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2492.171235][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2492.171235][ T74] netlink_rcv_skb+0x130/0x360 [ 2492.171235][ T74] netlink_unicast+0x449/0x710 [ 2492.171235][ T74] netlink_sendmsg+0x723/0xbe0 [ 2492.171235][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2492.171235][ T74] ___sys_sendmsg+0xee/0x170 [ 2492.171235][ T74] __sys_sendmsg+0xcd/0x170 [ 2492.171235][ T74] do_syscall_64+0xc6/0x1e0 [ 2492.171235][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2492.171235][ T74] [ 2492.173243][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2492.173243][ T74] netdev_get_by_index+0x5e/0x80 [ 2492.173243][ T74] fib6_nh_init+0x3d8/0x1580 [ 2492.173243][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2492.173243][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2492.173243][ T74] ipv6_add_addr+0x411/0x2000 [ 2492.173243][ T74] inet6_addr_add+0x30e/0xa40 [ 2492.173243][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2492.173243][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2492.173243][ T74] netlink_rcv_skb+0x130/0x360 [ 2492.173243][ T74] netlink_unicast+0x449/0x710 [ 2492.173243][ T74] netlink_sendmsg+0x723/0xbe0 [ 2492.173243][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2492.173243][ T74] ___sys_sendmsg+0xee/0x170 [ 2492.173243][ T74] __sys_sendmsg+0xcd/0x170 [ 2492.173243][ T74] do_syscall_64+0xc6/0x1e0 [ 2492.173243][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2492.173243][ T74] [ 2492.175254][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2492.175254][ T74] netdev_get_by_index+0x5e/0x80 [ 2492.175254][ T74] fib6_nh_init+0x3d8/0x1580 [ 2492.175254][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2492.175254][ T74] ip6_route_add+0x1c/0x140 [ 2492.175254][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2492.175254][ T74] addrconf_add_dev+0xe2/0x170 [ 2492.175254][ T74] inet6_addr_add+0x12f/0xa40 [ 2492.175254][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2492.175254][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2492.175254][ T74] netlink_rcv_skb+0x130/0x360 [ 2492.175254][ T74] netlink_unicast+0x449/0x710 [ 2492.175254][ T74] netlink_sendmsg+0x723/0xbe0 [ 2492.175254][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2492.175254][ T74] ___sys_sendmsg+0xee/0x170 [ 2492.175254][ T74] __sys_sendmsg+0xcd/0x170 [ 2492.175254][ T74] do_syscall_64+0xc6/0x1e0 [ 2492.175254][ T74] [ 2492.177251][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2492.177251][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2492.177251][ T74] ipv6_find_idev+0x102/0x170 [ 2492.177251][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2492.177251][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2492.177251][ T74] netlink_rcv_skb+0x130/0x360 [ 2492.177251][ T74] netlink_unicast+0x449/0x710 [ 2492.177251][ T74] netlink_sendmsg+0x723/0xbe0 [ 2492.177251][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2492.177251][ T74] ___sys_sendmsg+0xee/0x170 [ 2492.177251][ T74] __sys_sendmsg+0xcd/0x170 [ 2492.177251][ T74] do_syscall_64+0xc6/0x1e0 [ 2492.177251][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2492.177251][ T74] [ 2492.178947][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2492.178947][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2492.178947][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2492.178947][ T74] ipv6_find_idev+0x102/0x170 [ 2492.178947][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2492.178947][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2492.178947][ T74] netlink_rcv_skb+0x130/0x360 [ 2492.178947][ T74] netlink_unicast+0x449/0x710 [ 2492.178947][ T74] netlink_sendmsg+0x723/0xbe0 [ 2492.178947][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2492.178947][ T74] ___sys_sendmsg+0xee/0x170 [ 2492.178947][ T74] __sys_sendmsg+0xcd/0x170 [ 2492.178947][ T74] do_syscall_64+0xc6/0x1e0 [ 2492.178947][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2492.178947][ T74] [ 2492.180705][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2492.181040][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2492.181040][ T74] netdev_get_by_index+0x5e/0x80 [ 2492.181040][ T74] fib6_nh_init+0x3d8/0x1580 [ 2492.181040][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2492.181040][ T74] ip6_route_add+0x1c/0x140 [ 2492.181040][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2492.181040][ T74] inet6_addr_add+0x4f8/0xa40 [ 2492.181040][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2492.181040][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2492.181040][ T74] netlink_rcv_skb+0x130/0x360 [ 2492.181040][ T74] netlink_unicast+0x449/0x710 [ 2492.181040][ T74] netlink_sendmsg+0x723/0xbe0 [ 2492.181040][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2492.181040][ T74] ___sys_sendmsg+0xee/0x170 [ 2492.181040][ T74] __sys_sendmsg+0xcd/0x170 [ 2492.181040][ T74] do_syscall_64+0xc6/0x1e0 [ 2492.181040][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2492.181040][ T74] [ 2492.183136][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2492.183136][ T74] netdev_get_by_index+0x5e/0x80 [ 2492.183136][ T74] fib6_nh_init+0x3d8/0x1580 [ 2492.183136][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2492.183136][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2492.183136][ T74] ipv6_add_addr+0x411/0x2000 [ 2492.183136][ T74] inet6_addr_add+0x30e/0xa40 [ 2492.183136][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2492.183136][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2492.183136][ T74] netlink_rcv_skb+0x130/0x360 [ 2492.183136][ T74] netlink_unicast+0x449/0x710 [ 2492.183136][ T74] netlink_sendmsg+0x723/0xbe0 [ 2492.183136][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2492.183136][ T74] ___sys_sendmsg+0xee/0x170 [ 2492.183136][ T74] __sys_sendmsg+0xcd/0x170 [ 2492.183136][ T74] do_syscall_64+0xc6/0x1e0 [ 2492.183136][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2492.183136][ T74] [ 2492.185284][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2492.185284][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2492.185284][ T74] ipv6_find_idev+0x102/0x170 [ 2492.185284][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2492.185284][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2492.185284][ T74] netlink_rcv_skb+0x130/0x360 [ 2492.185284][ T74] netlink_unicast+0x449/0x710 [ 2492.185284][ T74] netlink_sendmsg+0x723/0xbe0 [ 2492.185284][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2492.185284][ T74] ___sys_sendmsg+0xee/0x170 [ 2492.185284][ T74] __sys_sendmsg+0xcd/0x170 [ 2492.185284][ T74] do_syscall_64+0xc6/0x1e0 [ 2492.185284][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2492.185284][ T74] [ 2492.187147][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2492.187147][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2492.187147][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2492.187147][ T74] ipv6_find_idev+0x102/0x170 [ 2492.187147][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2492.187147][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2492.187147][ T74] netlink_rcv_skb+0x130/0x360 [ 2492.187147][ T74] netlink_unicast+0x449/0x710 [ 2492.187147][ T74] netlink_sendmsg+0x723/0xbe0 [ 2492.187147][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2492.187147][ T74] ___sys_sendmsg+0xee/0x170 [ 2492.187147][ T74] __sys_sendmsg+0xcd/0x170 [ 2492.187147][ T74] do_syscall_64+0xc6/0x1e0 [ 2492.187147][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2492.187147][ T74] [ 2502.312267][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2502.312721][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2502.312721][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2502.312721][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2502.312721][ T74] fib6_nh_init+0xa22/0x1580 [ 2502.312721][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2502.312721][ T74] ip6_route_add+0x1c/0x140 [ 2502.312721][ T74] inet6_rtm_newroute+0x104/0x110 [ 2502.312721][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2502.312721][ T74] netlink_rcv_skb+0x130/0x360 [ 2502.312721][ T74] netlink_unicast+0x449/0x710 [ 2502.312721][ T74] netlink_sendmsg+0x723/0xbe0 [ 2502.312721][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2502.312721][ T74] ___sys_sendmsg+0xee/0x170 [ 2502.312721][ T74] __sys_sendmsg+0xcd/0x170 [ 2502.312721][ T74] do_syscall_64+0xc6/0x1e0 [ 2502.312721][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2502.312721][ T74] [ 2502.314873][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2502.314873][ T74] netdev_get_by_index+0x5e/0x80 [ 2502.314873][ T74] fib6_nh_init+0x3d8/0x1580 [ 2502.314873][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2502.314873][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2502.314873][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2502.314873][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2502.314873][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2502.314873][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2502.314873][ T74] addrconf_dad_begin+0x310/0x670 [ 2502.314873][ T74] addrconf_dad_work+0x10b/0xab0 [ 2502.314873][ T74] process_one_work+0x84d/0x18a0 [ 2502.314873][ T74] worker_thread+0x587/0xd30 [ 2502.314873][ T74] kthread+0x28a/0x350 [ 2502.314873][ T74] ret_from_fork+0x31/0x70 [ 2502.314873][ T74] ret_from_fork_asm+0x1a/0x30 [ 2502.314873][ T74] [ 2502.316903][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2502.316903][ T74] netdev_get_by_index+0x5e/0x80 [ 2502.316903][ T74] fib6_nh_init+0x3d8/0x1580 [ 2502.316903][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2502.316903][ T74] ip6_route_add+0x1c/0x140 [ 2502.316903][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2502.316903][ T74] inet6_addr_add+0x4f8/0xa40 [ 2502.316903][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2502.316903][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2502.316903][ T74] netlink_rcv_skb+0x130/0x360 [ 2502.316903][ T74] netlink_unicast+0x449/0x710 [ 2502.316903][ T74] netlink_sendmsg+0x723/0xbe0 [ 2502.316903][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2502.316903][ T74] ___sys_sendmsg+0xee/0x170 [ 2502.316903][ T74] __sys_sendmsg+0xcd/0x170 [ 2502.316903][ T74] do_syscall_64+0xc6/0x1e0 [ 2502.316903][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2502.316903][ T74] [ 2502.319005][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2502.319005][ T74] netdev_get_by_index+0x5e/0x80 [ 2502.319005][ T74] fib6_nh_init+0x3d8/0x1580 [ 2502.319005][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2502.319005][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2502.319005][ T74] ipv6_add_addr+0x411/0x2000 [ 2502.319005][ T74] inet6_addr_add+0x30e/0xa40 [ 2502.319005][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2502.319005][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2502.319005][ T74] netlink_rcv_skb+0x130/0x360 [ 2502.319005][ T74] netlink_unicast+0x449/0x710 [ 2502.319005][ T74] netlink_sendmsg+0x723/0xbe0 [ 2502.319005][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2502.319005][ T74] ___sys_sendmsg+0xee/0x170 [ 2502.319005][ T74] __sys_sendmsg+0xcd/0x170 [ 2502.319005][ T74] do_syscall_64+0xc6/0x1e0 [ 2502.319005][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2502.319005][ T74] [ 2502.321122][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2502.321122][ T74] netdev_get_by_index+0x5e/0x80 [ 2502.321122][ T74] fib6_nh_init+0x3d8/0x1580 [ 2502.321122][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2502.321122][ T74] ip6_route_add+0x1c/0x140 [ 2502.321122][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2502.321122][ T74] addrconf_add_dev+0xe2/0x170 [ 2502.321122][ T74] inet6_addr_add+0x12f/0xa40 [ 2502.321122][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2502.321122][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2502.321122][ T74] netlink_rcv_skb+0x130/0x360 [ 2502.321122][ T74] netlink_unicast+0x449/0x710 [ 2502.321122][ T74] netlink_sendmsg+0x723/0xbe0 [ 2502.321122][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2502.321122][ T74] ___sys_sendmsg+0xee/0x170 [ 2502.321122][ T74] __sys_sendmsg+0xcd/0x170 [ 2502.321122][ T74] do_syscall_64+0xc6/0x1e0 [ 2502.321122][ T74] [ 2502.323225][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2502.323225][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2502.323225][ T74] ipv6_find_idev+0x102/0x170 [ 2502.323225][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2502.323225][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2502.323225][ T74] netlink_rcv_skb+0x130/0x360 [ 2502.323225][ T74] netlink_unicast+0x449/0x710 [ 2502.323225][ T74] netlink_sendmsg+0x723/0xbe0 [ 2502.323225][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2502.323225][ T74] ___sys_sendmsg+0xee/0x170 [ 2502.323225][ T74] __sys_sendmsg+0xcd/0x170 [ 2502.323225][ T74] do_syscall_64+0xc6/0x1e0 [ 2502.323225][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2502.323225][ T74] [ 2502.324856][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2502.324856][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2502.324856][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2502.324856][ T74] ipv6_find_idev+0x102/0x170 [ 2502.324856][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2502.324856][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2502.324856][ T74] netlink_rcv_skb+0x130/0x360 [ 2502.324856][ T74] netlink_unicast+0x449/0x710 [ 2502.324856][ T74] netlink_sendmsg+0x723/0xbe0 [ 2502.324856][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2502.324856][ T74] ___sys_sendmsg+0xee/0x170 [ 2502.324856][ T74] __sys_sendmsg+0xcd/0x170 [ 2502.324856][ T74] do_syscall_64+0xc6/0x1e0 [ 2502.324856][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2502.324856][ T74] [ 2502.326678][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2502.327001][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2502.327001][ T74] dst_init+0x84/0x4a0 [ 2502.327001][ T74] dst_alloc+0x97/0x150 [ 2502.327001][ T74] ip6_dst_alloc+0x23/0x90 [ 2502.327001][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2502.327001][ T74] ip6_pol_route+0x56f/0x840 [ 2502.327001][ T74] fib6_rule_lookup+0x456/0x630 [ 2502.327001][ T74] ip6_route_input+0x59c/0xa50 [ 2502.327001][ T74] ipv6_rcv+0x397/0x810 [ 2502.327001][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2502.327001][ T74] process_backlog+0x101/0x620 [ 2502.327001][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2502.327001][ T74] net_rx_action+0x495/0xbe0 [ 2502.327001][ T74] __do_softirq+0x1b5/0x7f6 [ 2502.327001][ T74] [ 2502.328769][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2502.328769][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2502.328769][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2502.328769][ T74] fib6_nh_init+0xa22/0x1580 [ 2502.328769][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2502.328769][ T74] ip6_route_add+0x1c/0x140 [ 2502.328769][ T74] inet6_rtm_newroute+0x104/0x110 [ 2502.328769][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2502.328769][ T74] netlink_rcv_skb+0x130/0x360 [ 2502.328769][ T74] netlink_unicast+0x449/0x710 [ 2502.328769][ T74] netlink_sendmsg+0x723/0xbe0 [ 2502.328769][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2502.328769][ T74] ___sys_sendmsg+0xee/0x170 [ 2502.328769][ T74] __sys_sendmsg+0xcd/0x170 [ 2502.328769][ T74] do_syscall_64+0xc6/0x1e0 [ 2502.328769][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2502.328769][ T74] [ 2502.330888][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2502.330888][ T74] netdev_get_by_index+0x5e/0x80 [ 2502.330888][ T74] fib6_nh_init+0x3d8/0x1580 [ 2502.330888][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2502.330888][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2502.330888][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2502.330888][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2502.330888][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2502.330888][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2502.330888][ T74] addrconf_dad_begin+0x310/0x670 [ 2502.330888][ T74] addrconf_dad_work+0x10b/0xab0 [ 2502.330888][ T74] process_one_work+0x84d/0x18a0 [ 2502.330888][ T74] worker_thread+0x587/0xd30 [ 2502.330888][ T74] kthread+0x28a/0x350 [ 2502.330888][ T74] ret_from_fork+0x31/0x70 [ 2502.330888][ T74] ret_from_fork_asm+0x1a/0x30 [ 2502.330888][ T74] [ 2502.332915][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2502.332915][ T74] netdev_get_by_index+0x5e/0x80 [ 2502.332915][ T74] fib6_nh_init+0x3d8/0x1580 [ 2502.332915][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2502.332915][ T74] ip6_route_add+0x1c/0x140 [ 2502.332915][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2502.332915][ T74] inet6_addr_add+0x4f8/0xa40 [ 2502.332915][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2502.332915][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2502.332915][ T74] netlink_rcv_skb+0x130/0x360 [ 2502.332915][ T74] netlink_unicast+0x449/0x710 [ 2502.332915][ T74] netlink_sendmsg+0x723/0xbe0 [ 2502.332915][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2502.332915][ T74] ___sys_sendmsg+0xee/0x170 [ 2502.332915][ T74] __sys_sendmsg+0xcd/0x170 [ 2502.332915][ T74] do_syscall_64+0xc6/0x1e0 [ 2502.332915][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2502.332915][ T74] [ 2502.334950][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2502.334950][ T74] netdev_get_by_index+0x5e/0x80 [ 2502.334950][ T74] fib6_nh_init+0x3d8/0x1580 [ 2502.334950][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2502.334950][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2502.334950][ T74] ipv6_add_addr+0x411/0x2000 [ 2502.334950][ T74] inet6_addr_add+0x30e/0xa40 [ 2502.334950][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2502.334950][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2502.334950][ T74] netlink_rcv_skb+0x130/0x360 [ 2502.334950][ T74] netlink_unicast+0x449/0x710 [ 2502.334950][ T74] netlink_sendmsg+0x723/0xbe0 [ 2502.334950][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2502.334950][ T74] ___sys_sendmsg+0xee/0x170 [ 2502.334950][ T74] __sys_sendmsg+0xcd/0x170 [ 2502.334950][ T74] do_syscall_64+0xc6/0x1e0 [ 2502.334950][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2502.334950][ T74] [ 2502.337084][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2502.337084][ T74] netdev_get_by_index+0x5e/0x80 [ 2502.337084][ T74] fib6_nh_init+0x3d8/0x1580 [ 2502.337084][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2502.337084][ T74] ip6_route_add+0x1c/0x140 [ 2502.337084][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2502.337084][ T74] addrconf_add_dev+0xe2/0x170 [ 2502.337084][ T74] inet6_addr_add+0x12f/0xa40 [ 2502.337084][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2502.337084][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2502.337084][ T74] netlink_rcv_skb+0x130/0x360 [ 2502.337084][ T74] netlink_unicast+0x449/0x710 [ 2502.337084][ T74] netlink_sendmsg+0x723/0xbe0 [ 2502.337084][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2502.337084][ T74] ___sys_sendmsg+0xee/0x170 [ 2502.337084][ T74] __sys_sendmsg+0xcd/0x170 [ 2502.337084][ T74] do_syscall_64+0xc6/0x1e0 [ 2502.337084][ T74] [ 2502.339139][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2502.339139][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2502.339139][ T74] ipv6_find_idev+0x102/0x170 [ 2502.339139][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2502.339139][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2502.339139][ T74] netlink_rcv_skb+0x130/0x360 [ 2502.339139][ T74] netlink_unicast+0x449/0x710 [ 2502.339139][ T74] netlink_sendmsg+0x723/0xbe0 [ 2502.339139][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2502.339139][ T74] ___sys_sendmsg+0xee/0x170 [ 2502.339139][ T74] __sys_sendmsg+0xcd/0x170 [ 2502.339139][ T74] do_syscall_64+0xc6/0x1e0 [ 2502.339139][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2502.339139][ T74] [ 2502.340988][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2502.340988][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2502.340988][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2502.340988][ T74] ipv6_find_idev+0x102/0x170 [ 2502.340988][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2502.340988][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2502.340988][ T74] netlink_rcv_skb+0x130/0x360 [ 2502.340988][ T74] netlink_unicast+0x449/0x710 [ 2502.340988][ T74] netlink_sendmsg+0x723/0xbe0 [ 2502.340988][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2502.340988][ T74] ___sys_sendmsg+0xee/0x170 [ 2502.340988][ T74] __sys_sendmsg+0xcd/0x170 [ 2502.340988][ T74] do_syscall_64+0xc6/0x1e0 [ 2502.340988][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2502.340988][ T74] [ 2502.342909][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2502.343146][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2502.343146][ T74] netdev_get_by_index+0x5e/0x80 [ 2502.343146][ T74] fib6_nh_init+0x3d8/0x1580 [ 2502.343146][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2502.343146][ T74] ip6_route_add+0x1c/0x140 [ 2502.343146][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2502.343146][ T74] inet6_addr_add+0x4f8/0xa40 [ 2502.343146][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2502.343146][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2502.343146][ T74] netlink_rcv_skb+0x130/0x360 [ 2502.343146][ T74] netlink_unicast+0x449/0x710 [ 2502.343146][ T74] netlink_sendmsg+0x723/0xbe0 [ 2502.343146][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2502.343146][ T74] ___sys_sendmsg+0xee/0x170 [ 2502.343146][ T74] __sys_sendmsg+0xcd/0x170 [ 2502.343146][ T74] do_syscall_64+0xc6/0x1e0 [ 2502.343146][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2502.343146][ T74] [ 2502.345403][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2502.345403][ T74] netdev_get_by_index+0x5e/0x80 [ 2502.345403][ T74] fib6_nh_init+0x3d8/0x1580 [ 2502.345403][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2502.345403][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2502.345403][ T74] ipv6_add_addr+0x411/0x2000 [ 2502.345403][ T74] inet6_addr_add+0x30e/0xa40 [ 2502.345403][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2502.345403][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2502.345403][ T74] netlink_rcv_skb+0x130/0x360 [ 2502.345403][ T74] netlink_unicast+0x449/0x710 [ 2502.345403][ T74] netlink_sendmsg+0x723/0xbe0 [ 2502.345403][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2502.345403][ T74] ___sys_sendmsg+0xee/0x170 [ 2502.345403][ T74] __sys_sendmsg+0xcd/0x170 [ 2502.345403][ T74] do_syscall_64+0xc6/0x1e0 [ 2502.345403][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2502.345403][ T74] [ 2502.347656][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2502.347656][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2502.347656][ T74] ipv6_find_idev+0x102/0x170 [ 2502.347656][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2502.347656][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2502.347656][ T74] netlink_rcv_skb+0x130/0x360 [ 2502.347656][ T74] netlink_unicast+0x449/0x710 [ 2502.347656][ T74] netlink_sendmsg+0x723/0xbe0 [ 2502.347656][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2502.347656][ T74] ___sys_sendmsg+0xee/0x170 [ 2502.347656][ T74] __sys_sendmsg+0xcd/0x170 [ 2502.347656][ T74] do_syscall_64+0xc6/0x1e0 [ 2502.347656][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2502.347656][ T74] [ 2502.349327][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2502.349327][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2502.349327][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2502.349327][ T74] ipv6_find_idev+0x102/0x170 [ 2502.349327][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2502.349327][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2502.349327][ T74] netlink_rcv_skb+0x130/0x360 [ 2502.349327][ T74] netlink_unicast+0x449/0x710 [ 2502.349327][ T74] netlink_sendmsg+0x723/0xbe0 [ 2502.349327][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2502.349327][ T74] ___sys_sendmsg+0xee/0x170 [ 2502.349327][ T74] __sys_sendmsg+0xcd/0x170 [ 2502.349327][ T74] do_syscall_64+0xc6/0x1e0 [ 2502.349327][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2502.349327][ T74] [ 2512.600004][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2512.600479][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2512.600479][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2512.600479][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2512.600479][ T74] fib6_nh_init+0xa22/0x1580 [ 2512.600479][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2512.600479][ T74] ip6_route_add+0x1c/0x140 [ 2512.600479][ T74] inet6_rtm_newroute+0x104/0x110 [ 2512.600479][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2512.600479][ T74] netlink_rcv_skb+0x130/0x360 [ 2512.600479][ T74] netlink_unicast+0x449/0x710 [ 2512.600479][ T74] netlink_sendmsg+0x723/0xbe0 [ 2512.600479][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2512.600479][ T74] ___sys_sendmsg+0xee/0x170 [ 2512.600479][ T74] __sys_sendmsg+0xcd/0x170 [ 2512.600479][ T74] do_syscall_64+0xc6/0x1e0 [ 2512.600479][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2512.600479][ T74] [ 2512.602525][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2512.602525][ T74] netdev_get_by_index+0x5e/0x80 [ 2512.602525][ T74] fib6_nh_init+0x3d8/0x1580 [ 2512.602525][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2512.602525][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2512.602525][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2512.602525][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2512.602525][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2512.602525][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2512.602525][ T74] addrconf_dad_begin+0x310/0x670 [ 2512.602525][ T74] addrconf_dad_work+0x10b/0xab0 [ 2512.602525][ T74] process_one_work+0x84d/0x18a0 [ 2512.602525][ T74] worker_thread+0x587/0xd30 [ 2512.602525][ T74] kthread+0x28a/0x350 [ 2512.602525][ T74] ret_from_fork+0x31/0x70 [ 2512.602525][ T74] ret_from_fork_asm+0x1a/0x30 [ 2512.602525][ T74] [ 2512.604537][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2512.604537][ T74] netdev_get_by_index+0x5e/0x80 [ 2512.604537][ T74] fib6_nh_init+0x3d8/0x1580 [ 2512.604537][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2512.604537][ T74] ip6_route_add+0x1c/0x140 [ 2512.604537][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2512.604537][ T74] inet6_addr_add+0x4f8/0xa40 [ 2512.604537][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2512.604537][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2512.604537][ T74] netlink_rcv_skb+0x130/0x360 [ 2512.604537][ T74] netlink_unicast+0x449/0x710 [ 2512.604537][ T74] netlink_sendmsg+0x723/0xbe0 [ 2512.604537][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2512.604537][ T74] ___sys_sendmsg+0xee/0x170 [ 2512.604537][ T74] __sys_sendmsg+0xcd/0x170 [ 2512.604537][ T74] do_syscall_64+0xc6/0x1e0 [ 2512.604537][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2512.604537][ T74] [ 2512.606661][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2512.606661][ T74] netdev_get_by_index+0x5e/0x80 [ 2512.606661][ T74] fib6_nh_init+0x3d8/0x1580 [ 2512.606661][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2512.606661][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2512.606661][ T74] ipv6_add_addr+0x411/0x2000 [ 2512.606661][ T74] inet6_addr_add+0x30e/0xa40 [ 2512.606661][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2512.606661][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2512.606661][ T74] netlink_rcv_skb+0x130/0x360 [ 2512.606661][ T74] netlink_unicast+0x449/0x710 [ 2512.606661][ T74] netlink_sendmsg+0x723/0xbe0 [ 2512.606661][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2512.606661][ T74] ___sys_sendmsg+0xee/0x170 [ 2512.606661][ T74] __sys_sendmsg+0xcd/0x170 [ 2512.606661][ T74] do_syscall_64+0xc6/0x1e0 [ 2512.606661][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2512.606661][ T74] [ 2512.608800][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2512.608800][ T74] netdev_get_by_index+0x5e/0x80 [ 2512.608800][ T74] fib6_nh_init+0x3d8/0x1580 [ 2512.608800][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2512.608800][ T74] ip6_route_add+0x1c/0x140 [ 2512.608800][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2512.608800][ T74] addrconf_add_dev+0xe2/0x170 [ 2512.608800][ T74] inet6_addr_add+0x12f/0xa40 [ 2512.608800][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2512.608800][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2512.608800][ T74] netlink_rcv_skb+0x130/0x360 [ 2512.608800][ T74] netlink_unicast+0x449/0x710 [ 2512.608800][ T74] netlink_sendmsg+0x723/0xbe0 [ 2512.608800][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2512.608800][ T74] ___sys_sendmsg+0xee/0x170 [ 2512.608800][ T74] __sys_sendmsg+0xcd/0x170 [ 2512.608800][ T74] do_syscall_64+0xc6/0x1e0 [ 2512.608800][ T74] [ 2512.610779][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2512.610779][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2512.610779][ T74] ipv6_find_idev+0x102/0x170 [ 2512.610779][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2512.610779][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2512.610779][ T74] netlink_rcv_skb+0x130/0x360 [ 2512.610779][ T74] netlink_unicast+0x449/0x710 [ 2512.610779][ T74] netlink_sendmsg+0x723/0xbe0 [ 2512.610779][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2512.610779][ T74] ___sys_sendmsg+0xee/0x170 [ 2512.610779][ T74] __sys_sendmsg+0xcd/0x170 [ 2512.610779][ T74] do_syscall_64+0xc6/0x1e0 [ 2512.610779][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2512.610779][ T74] [ 2512.612430][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2512.612430][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2512.612430][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2512.612430][ T74] ipv6_find_idev+0x102/0x170 [ 2512.612430][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2512.612430][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2512.612430][ T74] netlink_rcv_skb+0x130/0x360 [ 2512.612430][ T74] netlink_unicast+0x449/0x710 [ 2512.612430][ T74] netlink_sendmsg+0x723/0xbe0 [ 2512.612430][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2512.612430][ T74] ___sys_sendmsg+0xee/0x170 [ 2512.612430][ T74] __sys_sendmsg+0xcd/0x170 [ 2512.612430][ T74] do_syscall_64+0xc6/0x1e0 [ 2512.612430][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2512.612430][ T74] [ 2512.614120][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2512.614389][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2512.614389][ T74] dst_init+0x84/0x4a0 [ 2512.614389][ T74] dst_alloc+0x97/0x150 [ 2512.614389][ T74] ip6_dst_alloc+0x23/0x90 [ 2512.614389][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2512.614389][ T74] ip6_pol_route+0x56f/0x840 [ 2512.614389][ T74] fib6_rule_lookup+0x456/0x630 [ 2512.614389][ T74] ip6_route_input+0x59c/0xa50 [ 2512.614389][ T74] ipv6_rcv+0x397/0x810 [ 2512.614389][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2512.614389][ T74] process_backlog+0x101/0x620 [ 2512.614389][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2512.614389][ T74] net_rx_action+0x495/0xbe0 [ 2512.614389][ T74] __do_softirq+0x1b5/0x7f6 [ 2512.614389][ T74] [ 2512.616092][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2512.616092][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2512.616092][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2512.616092][ T74] fib6_nh_init+0xa22/0x1580 [ 2512.616092][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2512.616092][ T74] ip6_route_add+0x1c/0x140 [ 2512.616092][ T74] inet6_rtm_newroute+0x104/0x110 [ 2512.616092][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2512.616092][ T74] netlink_rcv_skb+0x130/0x360 [ 2512.616092][ T74] netlink_unicast+0x449/0x710 [ 2512.616092][ T74] netlink_sendmsg+0x723/0xbe0 [ 2512.616092][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2512.616092][ T74] ___sys_sendmsg+0xee/0x170 [ 2512.616092][ T74] __sys_sendmsg+0xcd/0x170 [ 2512.616092][ T74] do_syscall_64+0xc6/0x1e0 [ 2512.616092][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2512.616092][ T74] [ 2512.618104][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2512.618104][ T74] netdev_get_by_index+0x5e/0x80 [ 2512.618104][ T74] fib6_nh_init+0x3d8/0x1580 [ 2512.618104][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2512.618104][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2512.618104][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2512.618104][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2512.618104][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2512.618104][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2512.618104][ T74] addrconf_dad_begin+0x310/0x670 [ 2512.618104][ T74] addrconf_dad_work+0x10b/0xab0 [ 2512.618104][ T74] process_one_work+0x84d/0x18a0 [ 2512.618104][ T74] worker_thread+0x587/0xd30 [ 2512.618104][ T74] kthread+0x28a/0x350 [ 2512.618104][ T74] ret_from_fork+0x31/0x70 [ 2512.618104][ T74] ret_from_fork_asm+0x1a/0x30 [ 2512.618104][ T74] [ 2512.620134][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2512.620134][ T74] netdev_get_by_index+0x5e/0x80 [ 2512.620134][ T74] fib6_nh_init+0x3d8/0x1580 [ 2512.620134][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2512.620134][ T74] ip6_route_add+0x1c/0x140 [ 2512.620134][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2512.620134][ T74] inet6_addr_add+0x4f8/0xa40 [ 2512.620134][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2512.620134][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2512.620134][ T74] netlink_rcv_skb+0x130/0x360 [ 2512.620134][ T74] netlink_unicast+0x449/0x710 [ 2512.620134][ T74] netlink_sendmsg+0x723/0xbe0 [ 2512.620134][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2512.620134][ T74] ___sys_sendmsg+0xee/0x170 [ 2512.620134][ T74] __sys_sendmsg+0xcd/0x170 [ 2512.620134][ T74] do_syscall_64+0xc6/0x1e0 [ 2512.620134][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2512.620134][ T74] [ 2512.622267][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2512.622267][ T74] netdev_get_by_index+0x5e/0x80 [ 2512.622267][ T74] fib6_nh_init+0x3d8/0x1580 [ 2512.622267][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2512.622267][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2512.622267][ T74] ipv6_add_addr+0x411/0x2000 [ 2512.622267][ T74] inet6_addr_add+0x30e/0xa40 [ 2512.622267][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2512.622267][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2512.622267][ T74] netlink_rcv_skb+0x130/0x360 [ 2512.622267][ T74] netlink_unicast+0x449/0x710 [ 2512.622267][ T74] netlink_sendmsg+0x723/0xbe0 [ 2512.622267][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2512.622267][ T74] ___sys_sendmsg+0xee/0x170 [ 2512.622267][ T74] __sys_sendmsg+0xcd/0x170 [ 2512.622267][ T74] do_syscall_64+0xc6/0x1e0 [ 2512.622267][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2512.622267][ T74] [ 2512.624363][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2512.624363][ T74] netdev_get_by_index+0x5e/0x80 [ 2512.624363][ T74] fib6_nh_init+0x3d8/0x1580 [ 2512.624363][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2512.624363][ T74] ip6_route_add+0x1c/0x140 [ 2512.624363][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2512.624363][ T74] addrconf_add_dev+0xe2/0x170 [ 2512.624363][ T74] inet6_addr_add+0x12f/0xa40 [ 2512.624363][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2512.624363][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2512.624363][ T74] netlink_rcv_skb+0x130/0x360 [ 2512.624363][ T74] netlink_unicast+0x449/0x710 [ 2512.624363][ T74] netlink_sendmsg+0x723/0xbe0 [ 2512.624363][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2512.624363][ T74] ___sys_sendmsg+0xee/0x170 [ 2512.624363][ T74] __sys_sendmsg+0xcd/0x170 [ 2512.624363][ T74] do_syscall_64+0xc6/0x1e0 [ 2512.624363][ T74] [ 2512.626486][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2512.626486][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2512.626486][ T74] ipv6_find_idev+0x102/0x170 [ 2512.626486][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2512.626486][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2512.626486][ T74] netlink_rcv_skb+0x130/0x360 [ 2512.626486][ T74] netlink_unicast+0x449/0x710 [ 2512.626486][ T74] netlink_sendmsg+0x723/0xbe0 [ 2512.626486][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2512.626486][ T74] ___sys_sendmsg+0xee/0x170 [ 2512.626486][ T74] __sys_sendmsg+0xcd/0x170 [ 2512.626486][ T74] do_syscall_64+0xc6/0x1e0 [ 2512.626486][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2512.626486][ T74] [ 2512.628237][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2512.628237][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2512.628237][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2512.628237][ T74] ipv6_find_idev+0x102/0x170 [ 2512.628237][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2512.628237][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2512.628237][ T74] netlink_rcv_skb+0x130/0x360 [ 2512.628237][ T74] netlink_unicast+0x449/0x710 [ 2512.628237][ T74] netlink_sendmsg+0x723/0xbe0 [ 2512.628237][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2512.628237][ T74] ___sys_sendmsg+0xee/0x170 [ 2512.628237][ T74] __sys_sendmsg+0xcd/0x170 [ 2512.628237][ T74] do_syscall_64+0xc6/0x1e0 [ 2512.628237][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2512.628237][ T74] [ 2512.630160][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2512.630404][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2512.630404][ T74] netdev_get_by_index+0x5e/0x80 [ 2512.630404][ T74] fib6_nh_init+0x3d8/0x1580 [ 2512.630404][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2512.630404][ T74] ip6_route_add+0x1c/0x140 [ 2512.630404][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2512.630404][ T74] inet6_addr_add+0x4f8/0xa40 [ 2512.630404][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2512.630404][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2512.630404][ T74] netlink_rcv_skb+0x130/0x360 [ 2512.630404][ T74] netlink_unicast+0x449/0x710 [ 2512.630404][ T74] netlink_sendmsg+0x723/0xbe0 [ 2512.630404][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2512.630404][ T74] ___sys_sendmsg+0xee/0x170 [ 2512.630404][ T74] __sys_sendmsg+0xcd/0x170 [ 2512.630404][ T74] do_syscall_64+0xc6/0x1e0 [ 2512.630404][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2512.630404][ T74] [ 2512.632667][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2512.632667][ T74] netdev_get_by_index+0x5e/0x80 [ 2512.632667][ T74] fib6_nh_init+0x3d8/0x1580 [ 2512.632667][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2512.632667][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2512.632667][ T74] ipv6_add_addr+0x411/0x2000 [ 2512.632667][ T74] inet6_addr_add+0x30e/0xa40 [ 2512.632667][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2512.632667][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2512.632667][ T74] netlink_rcv_skb+0x130/0x360 [ 2512.632667][ T74] netlink_unicast+0x449/0x710 [ 2512.632667][ T74] netlink_sendmsg+0x723/0xbe0 [ 2512.632667][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2512.632667][ T74] ___sys_sendmsg+0xee/0x170 [ 2512.632667][ T74] __sys_sendmsg+0xcd/0x170 [ 2512.632667][ T74] do_syscall_64+0xc6/0x1e0 [ 2512.632667][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2512.632667][ T74] [ 2512.635001][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2512.635001][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2512.635001][ T74] ipv6_find_idev+0x102/0x170 [ 2512.635001][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2512.635001][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2512.635001][ T74] netlink_rcv_skb+0x130/0x360 [ 2512.635001][ T74] netlink_unicast+0x449/0x710 [ 2512.635001][ T74] netlink_sendmsg+0x723/0xbe0 [ 2512.635001][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2512.635001][ T74] ___sys_sendmsg+0xee/0x170 [ 2512.635001][ T74] __sys_sendmsg+0xcd/0x170 [ 2512.635001][ T74] do_syscall_64+0xc6/0x1e0 [ 2512.635001][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2512.635001][ T74] [ 2512.636793][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2512.636793][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2512.636793][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2512.636793][ T74] ipv6_find_idev+0x102/0x170 [ 2512.636793][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2512.636793][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2512.636793][ T74] netlink_rcv_skb+0x130/0x360 [ 2512.636793][ T74] netlink_unicast+0x449/0x710 [ 2512.636793][ T74] netlink_sendmsg+0x723/0xbe0 [ 2512.636793][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2512.636793][ T74] ___sys_sendmsg+0xee/0x170 [ 2512.636793][ T74] __sys_sendmsg+0xcd/0x170 [ 2512.636793][ T74] do_syscall_64+0xc6/0x1e0 [ 2512.636793][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2512.636793][ T74] [ 2522.807924][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2522.808377][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2522.808377][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2522.808377][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2522.808377][ T74] fib6_nh_init+0xa22/0x1580 [ 2522.808377][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2522.808377][ T74] ip6_route_add+0x1c/0x140 [ 2522.808377][ T74] inet6_rtm_newroute+0x104/0x110 [ 2522.808377][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2522.808377][ T74] netlink_rcv_skb+0x130/0x360 [ 2522.808377][ T74] netlink_unicast+0x449/0x710 [ 2522.808377][ T74] netlink_sendmsg+0x723/0xbe0 [ 2522.808377][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2522.808377][ T74] ___sys_sendmsg+0xee/0x170 [ 2522.808377][ T74] __sys_sendmsg+0xcd/0x170 [ 2522.808377][ T74] do_syscall_64+0xc6/0x1e0 [ 2522.808377][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2522.808377][ T74] [ 2522.810283][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2522.810283][ T74] netdev_get_by_index+0x5e/0x80 [ 2522.810283][ T74] fib6_nh_init+0x3d8/0x1580 [ 2522.810283][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2522.810283][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2522.810283][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2522.810283][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2522.810283][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2522.810283][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2522.810283][ T74] addrconf_dad_begin+0x310/0x670 [ 2522.810283][ T74] addrconf_dad_work+0x10b/0xab0 [ 2522.810283][ T74] process_one_work+0x84d/0x18a0 [ 2522.810283][ T74] worker_thread+0x587/0xd30 [ 2522.810283][ T74] kthread+0x28a/0x350 [ 2522.810283][ T74] ret_from_fork+0x31/0x70 [ 2522.810283][ T74] ret_from_fork_asm+0x1a/0x30 [ 2522.810283][ T74] [ 2522.812205][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2522.812205][ T74] netdev_get_by_index+0x5e/0x80 [ 2522.812205][ T74] fib6_nh_init+0x3d8/0x1580 [ 2522.812205][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2522.812205][ T74] ip6_route_add+0x1c/0x140 [ 2522.812205][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2522.812205][ T74] inet6_addr_add+0x4f8/0xa40 [ 2522.812205][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2522.812205][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2522.812205][ T74] netlink_rcv_skb+0x130/0x360 [ 2522.812205][ T74] netlink_unicast+0x449/0x710 [ 2522.812205][ T74] netlink_sendmsg+0x723/0xbe0 [ 2522.812205][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2522.812205][ T74] ___sys_sendmsg+0xee/0x170 [ 2522.812205][ T74] __sys_sendmsg+0xcd/0x170 [ 2522.812205][ T74] do_syscall_64+0xc6/0x1e0 [ 2522.812205][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2522.812205][ T74] [ 2522.814212][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2522.814212][ T74] netdev_get_by_index+0x5e/0x80 [ 2522.814212][ T74] fib6_nh_init+0x3d8/0x1580 [ 2522.814212][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2522.814212][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2522.814212][ T74] ipv6_add_addr+0x411/0x2000 [ 2522.814212][ T74] inet6_addr_add+0x30e/0xa40 [ 2522.814212][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2522.814212][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2522.814212][ T74] netlink_rcv_skb+0x130/0x360 [ 2522.814212][ T74] netlink_unicast+0x449/0x710 [ 2522.814212][ T74] netlink_sendmsg+0x723/0xbe0 [ 2522.814212][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2522.814212][ T74] ___sys_sendmsg+0xee/0x170 [ 2522.814212][ T74] __sys_sendmsg+0xcd/0x170 [ 2522.814212][ T74] do_syscall_64+0xc6/0x1e0 [ 2522.814212][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2522.814212][ T74] [ 2522.816215][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2522.816215][ T74] netdev_get_by_index+0x5e/0x80 [ 2522.816215][ T74] fib6_nh_init+0x3d8/0x1580 [ 2522.816215][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2522.816215][ T74] ip6_route_add+0x1c/0x140 [ 2522.816215][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2522.816215][ T74] addrconf_add_dev+0xe2/0x170 [ 2522.816215][ T74] inet6_addr_add+0x12f/0xa40 [ 2522.816215][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2522.816215][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2522.816215][ T74] netlink_rcv_skb+0x130/0x360 [ 2522.816215][ T74] netlink_unicast+0x449/0x710 [ 2522.816215][ T74] netlink_sendmsg+0x723/0xbe0 [ 2522.816215][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2522.816215][ T74] ___sys_sendmsg+0xee/0x170 [ 2522.816215][ T74] __sys_sendmsg+0xcd/0x170 [ 2522.816215][ T74] do_syscall_64+0xc6/0x1e0 [ 2522.816215][ T74] [ 2522.818201][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2522.818201][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2522.818201][ T74] ipv6_find_idev+0x102/0x170 [ 2522.818201][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2522.818201][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2522.818201][ T74] netlink_rcv_skb+0x130/0x360 [ 2522.818201][ T74] netlink_unicast+0x449/0x710 [ 2522.818201][ T74] netlink_sendmsg+0x723/0xbe0 [ 2522.818201][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2522.818201][ T74] ___sys_sendmsg+0xee/0x170 [ 2522.818201][ T74] __sys_sendmsg+0xcd/0x170 [ 2522.818201][ T74] do_syscall_64+0xc6/0x1e0 [ 2522.818201][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2522.818201][ T74] [ 2522.819747][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2522.819747][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2522.819747][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2522.819747][ T74] ipv6_find_idev+0x102/0x170 [ 2522.819747][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2522.819747][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2522.819747][ T74] netlink_rcv_skb+0x130/0x360 [ 2522.819747][ T74] netlink_unicast+0x449/0x710 [ 2522.819747][ T74] netlink_sendmsg+0x723/0xbe0 [ 2522.819747][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2522.819747][ T74] ___sys_sendmsg+0xee/0x170 [ 2522.819747][ T74] __sys_sendmsg+0xcd/0x170 [ 2522.819747][ T74] do_syscall_64+0xc6/0x1e0 [ 2522.819747][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2522.819747][ T74] [ 2522.821460][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2522.821734][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2522.821734][ T74] dst_init+0x84/0x4a0 [ 2522.821734][ T74] dst_alloc+0x97/0x150 [ 2522.821734][ T74] ip6_dst_alloc+0x23/0x90 [ 2522.821734][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2522.821734][ T74] ip6_pol_route+0x56f/0x840 [ 2522.821734][ T74] fib6_rule_lookup+0x456/0x630 [ 2522.821734][ T74] ip6_route_input+0x59c/0xa50 [ 2522.821734][ T74] ipv6_rcv+0x397/0x810 [ 2522.821734][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2522.821734][ T74] process_backlog+0x101/0x620 [ 2522.821734][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2522.821734][ T74] net_rx_action+0x495/0xbe0 [ 2522.821734][ T74] __do_softirq+0x1b5/0x7f6 [ 2522.821734][ T74] [ 2522.823377][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2522.823377][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2522.823377][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2522.823377][ T74] fib6_nh_init+0xa22/0x1580 [ 2522.823377][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2522.823377][ T74] ip6_route_add+0x1c/0x140 [ 2522.823377][ T74] inet6_rtm_newroute+0x104/0x110 [ 2522.823377][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2522.823377][ T74] netlink_rcv_skb+0x130/0x360 [ 2522.823377][ T74] netlink_unicast+0x449/0x710 [ 2522.823377][ T74] netlink_sendmsg+0x723/0xbe0 [ 2522.823377][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2522.823377][ T74] ___sys_sendmsg+0xee/0x170 [ 2522.823377][ T74] __sys_sendmsg+0xcd/0x170 [ 2522.823377][ T74] do_syscall_64+0xc6/0x1e0 [ 2522.823377][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2522.823377][ T74] [ 2522.825263][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2522.825263][ T74] netdev_get_by_index+0x5e/0x80 [ 2522.825263][ T74] fib6_nh_init+0x3d8/0x1580 [ 2522.825263][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2522.825263][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2522.825263][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2522.825263][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2522.825263][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2522.825263][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2522.825263][ T74] addrconf_dad_begin+0x310/0x670 [ 2522.825263][ T74] addrconf_dad_work+0x10b/0xab0 [ 2522.825263][ T74] process_one_work+0x84d/0x18a0 [ 2522.825263][ T74] worker_thread+0x587/0xd30 [ 2522.825263][ T74] kthread+0x28a/0x350 [ 2522.825263][ T74] ret_from_fork+0x31/0x70 [ 2522.825263][ T74] ret_from_fork_asm+0x1a/0x30 [ 2522.825263][ T74] [ 2522.827181][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2522.827181][ T74] netdev_get_by_index+0x5e/0x80 [ 2522.827181][ T74] fib6_nh_init+0x3d8/0x1580 [ 2522.827181][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2522.827181][ T74] ip6_route_add+0x1c/0x140 [ 2522.827181][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2522.827181][ T74] inet6_addr_add+0x4f8/0xa40 [ 2522.827181][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2522.827181][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2522.827181][ T74] netlink_rcv_skb+0x130/0x360 [ 2522.827181][ T74] netlink_unicast+0x449/0x710 [ 2522.827181][ T74] netlink_sendmsg+0x723/0xbe0 [ 2522.827181][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2522.827181][ T74] ___sys_sendmsg+0xee/0x170 [ 2522.827181][ T74] __sys_sendmsg+0xcd/0x170 [ 2522.827181][ T74] do_syscall_64+0xc6/0x1e0 [ 2522.827181][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2522.827181][ T74] [ 2522.829186][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2522.829186][ T74] netdev_get_by_index+0x5e/0x80 [ 2522.829186][ T74] fib6_nh_init+0x3d8/0x1580 [ 2522.829186][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2522.829186][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2522.829186][ T74] ipv6_add_addr+0x411/0x2000 [ 2522.829186][ T74] inet6_addr_add+0x30e/0xa40 [ 2522.829186][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2522.829186][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2522.829186][ T74] netlink_rcv_skb+0x130/0x360 [ 2522.829186][ T74] netlink_unicast+0x449/0x710 [ 2522.829186][ T74] netlink_sendmsg+0x723/0xbe0 [ 2522.829186][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2522.829186][ T74] ___sys_sendmsg+0xee/0x170 [ 2522.829186][ T74] __sys_sendmsg+0xcd/0x170 [ 2522.829186][ T74] do_syscall_64+0xc6/0x1e0 [ 2522.829186][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2522.829186][ T74] [ 2522.831185][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2522.831185][ T74] netdev_get_by_index+0x5e/0x80 [ 2522.831185][ T74] fib6_nh_init+0x3d8/0x1580 [ 2522.831185][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2522.831185][ T74] ip6_route_add+0x1c/0x140 [ 2522.831185][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2522.831185][ T74] addrconf_add_dev+0xe2/0x170 [ 2522.831185][ T74] inet6_addr_add+0x12f/0xa40 [ 2522.831185][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2522.831185][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2522.831185][ T74] netlink_rcv_skb+0x130/0x360 [ 2522.831185][ T74] netlink_unicast+0x449/0x710 [ 2522.831185][ T74] netlink_sendmsg+0x723/0xbe0 [ 2522.831185][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2522.831185][ T74] ___sys_sendmsg+0xee/0x170 [ 2522.831185][ T74] __sys_sendmsg+0xcd/0x170 [ 2522.831185][ T74] do_syscall_64+0xc6/0x1e0 [ 2522.831185][ T74] [ 2522.833147][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2522.833147][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2522.833147][ T74] ipv6_find_idev+0x102/0x170 [ 2522.833147][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2522.833147][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2522.833147][ T74] netlink_rcv_skb+0x130/0x360 [ 2522.833147][ T74] netlink_unicast+0x449/0x710 [ 2522.833147][ T74] netlink_sendmsg+0x723/0xbe0 [ 2522.833147][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2522.833147][ T74] ___sys_sendmsg+0xee/0x170 [ 2522.833147][ T74] __sys_sendmsg+0xcd/0x170 [ 2522.833147][ T74] do_syscall_64+0xc6/0x1e0 [ 2522.833147][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2522.833147][ T74] [ 2522.834868][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2522.834868][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2522.834868][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2522.834868][ T74] ipv6_find_idev+0x102/0x170 [ 2522.834868][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2522.834868][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2522.834868][ T74] netlink_rcv_skb+0x130/0x360 [ 2522.834868][ T74] netlink_unicast+0x449/0x710 [ 2522.834868][ T74] netlink_sendmsg+0x723/0xbe0 [ 2522.834868][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2522.834868][ T74] ___sys_sendmsg+0xee/0x170 [ 2522.834868][ T74] __sys_sendmsg+0xcd/0x170 [ 2522.834868][ T74] do_syscall_64+0xc6/0x1e0 [ 2522.834868][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2522.834868][ T74] [ 2522.836737][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2522.837059][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2522.837059][ T74] netdev_get_by_index+0x5e/0x80 [ 2522.837059][ T74] fib6_nh_init+0x3d8/0x1580 [ 2522.837059][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2522.837059][ T74] ip6_route_add+0x1c/0x140 [ 2522.837059][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2522.837059][ T74] inet6_addr_add+0x4f8/0xa40 [ 2522.837059][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2522.837059][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2522.837059][ T74] netlink_rcv_skb+0x130/0x360 [ 2522.837059][ T74] netlink_unicast+0x449/0x710 [ 2522.837059][ T74] netlink_sendmsg+0x723/0xbe0 [ 2522.837059][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2522.837059][ T74] ___sys_sendmsg+0xee/0x170 [ 2522.837059][ T74] __sys_sendmsg+0xcd/0x170 [ 2522.837059][ T74] do_syscall_64+0xc6/0x1e0 [ 2522.837059][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2522.837059][ T74] [ 2522.839249][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2522.839249][ T74] netdev_get_by_index+0x5e/0x80 [ 2522.839249][ T74] fib6_nh_init+0x3d8/0x1580 [ 2522.839249][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2522.839249][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2522.839249][ T74] ipv6_add_addr+0x411/0x2000 [ 2522.839249][ T74] inet6_addr_add+0x30e/0xa40 [ 2522.839249][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2522.839249][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2522.839249][ T74] netlink_rcv_skb+0x130/0x360 [ 2522.839249][ T74] netlink_unicast+0x449/0x710 [ 2522.839249][ T74] netlink_sendmsg+0x723/0xbe0 [ 2522.839249][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2522.839249][ T74] ___sys_sendmsg+0xee/0x170 [ 2522.839249][ T74] __sys_sendmsg+0xcd/0x170 [ 2522.839249][ T74] do_syscall_64+0xc6/0x1e0 [ 2522.839249][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2522.839249][ T74] [ 2522.841439][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2522.841439][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2522.841439][ T74] ipv6_find_idev+0x102/0x170 [ 2522.841439][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2522.841439][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2522.841439][ T74] netlink_rcv_skb+0x130/0x360 [ 2522.841439][ T74] netlink_unicast+0x449/0x710 [ 2522.841439][ T74] netlink_sendmsg+0x723/0xbe0 [ 2522.841439][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2522.841439][ T74] ___sys_sendmsg+0xee/0x170 [ 2522.841439][ T74] __sys_sendmsg+0xcd/0x170 [ 2522.841439][ T74] do_syscall_64+0xc6/0x1e0 [ 2522.841439][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2522.841439][ T74] [ 2522.843160][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2522.843160][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2522.843160][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2522.843160][ T74] ipv6_find_idev+0x102/0x170 [ 2522.843160][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2522.843160][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2522.843160][ T74] netlink_rcv_skb+0x130/0x360 [ 2522.843160][ T74] netlink_unicast+0x449/0x710 [ 2522.843160][ T74] netlink_sendmsg+0x723/0xbe0 [ 2522.843160][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2522.843160][ T74] ___sys_sendmsg+0xee/0x170 [ 2522.843160][ T74] __sys_sendmsg+0xcd/0x170 [ 2522.843160][ T74] do_syscall_64+0xc6/0x1e0 [ 2522.843160][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2522.843160][ T74] [ 2533.087927][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2533.088289][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2533.088289][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2533.088289][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2533.088289][ T74] fib6_nh_init+0xa22/0x1580 [ 2533.088289][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2533.088289][ T74] ip6_route_add+0x1c/0x140 [ 2533.088289][ T74] inet6_rtm_newroute+0x104/0x110 [ 2533.088289][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2533.088289][ T74] netlink_rcv_skb+0x130/0x360 [ 2533.088289][ T74] netlink_unicast+0x449/0x710 [ 2533.088289][ T74] netlink_sendmsg+0x723/0xbe0 [ 2533.088289][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2533.088289][ T74] ___sys_sendmsg+0xee/0x170 [ 2533.088289][ T74] __sys_sendmsg+0xcd/0x170 [ 2533.088289][ T74] do_syscall_64+0xc6/0x1e0 [ 2533.088289][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2533.088289][ T74] [ 2533.090188][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2533.090188][ T74] netdev_get_by_index+0x5e/0x80 [ 2533.090188][ T74] fib6_nh_init+0x3d8/0x1580 [ 2533.090188][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2533.090188][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2533.090188][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2533.090188][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2533.090188][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2533.090188][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2533.090188][ T74] addrconf_dad_begin+0x310/0x670 [ 2533.090188][ T74] addrconf_dad_work+0x10b/0xab0 [ 2533.090188][ T74] process_one_work+0x84d/0x18a0 [ 2533.090188][ T74] worker_thread+0x587/0xd30 [ 2533.090188][ T74] kthread+0x28a/0x350 [ 2533.090188][ T74] ret_from_fork+0x31/0x70 [ 2533.090188][ T74] ret_from_fork_asm+0x1a/0x30 [ 2533.090188][ T74] [ 2533.092101][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2533.092101][ T74] netdev_get_by_index+0x5e/0x80 [ 2533.092101][ T74] fib6_nh_init+0x3d8/0x1580 [ 2533.092101][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2533.092101][ T74] ip6_route_add+0x1c/0x140 [ 2533.092101][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2533.092101][ T74] inet6_addr_add+0x4f8/0xa40 [ 2533.092101][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2533.092101][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2533.092101][ T74] netlink_rcv_skb+0x130/0x360 [ 2533.092101][ T74] netlink_unicast+0x449/0x710 [ 2533.092101][ T74] netlink_sendmsg+0x723/0xbe0 [ 2533.092101][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2533.092101][ T74] ___sys_sendmsg+0xee/0x170 [ 2533.092101][ T74] __sys_sendmsg+0xcd/0x170 [ 2533.092101][ T74] do_syscall_64+0xc6/0x1e0 [ 2533.092101][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2533.092101][ T74] [ 2533.094112][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2533.094112][ T74] netdev_get_by_index+0x5e/0x80 [ 2533.094112][ T74] fib6_nh_init+0x3d8/0x1580 [ 2533.094112][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2533.094112][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2533.094112][ T74] ipv6_add_addr+0x411/0x2000 [ 2533.094112][ T74] inet6_addr_add+0x30e/0xa40 [ 2533.094112][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2533.094112][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2533.094112][ T74] netlink_rcv_skb+0x130/0x360 [ 2533.094112][ T74] netlink_unicast+0x449/0x710 [ 2533.094112][ T74] netlink_sendmsg+0x723/0xbe0 [ 2533.094112][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2533.094112][ T74] ___sys_sendmsg+0xee/0x170 [ 2533.094112][ T74] __sys_sendmsg+0xcd/0x170 [ 2533.094112][ T74] do_syscall_64+0xc6/0x1e0 [ 2533.094112][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2533.094112][ T74] [ 2533.096120][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2533.096120][ T74] netdev_get_by_index+0x5e/0x80 [ 2533.096120][ T74] fib6_nh_init+0x3d8/0x1580 [ 2533.096120][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2533.096120][ T74] ip6_route_add+0x1c/0x140 [ 2533.096120][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2533.096120][ T74] addrconf_add_dev+0xe2/0x170 [ 2533.096120][ T74] inet6_addr_add+0x12f/0xa40 [ 2533.096120][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2533.096120][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2533.096120][ T74] netlink_rcv_skb+0x130/0x360 [ 2533.096120][ T74] netlink_unicast+0x449/0x710 [ 2533.096120][ T74] netlink_sendmsg+0x723/0xbe0 [ 2533.096120][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2533.096120][ T74] ___sys_sendmsg+0xee/0x170 [ 2533.096120][ T74] __sys_sendmsg+0xcd/0x170 [ 2533.096120][ T74] do_syscall_64+0xc6/0x1e0 [ 2533.096120][ T74] [ 2533.098088][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2533.098088][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2533.098088][ T74] ipv6_find_idev+0x102/0x170 [ 2533.098088][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2533.098088][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2533.098088][ T74] netlink_rcv_skb+0x130/0x360 [ 2533.098088][ T74] netlink_unicast+0x449/0x710 [ 2533.098088][ T74] netlink_sendmsg+0x723/0xbe0 [ 2533.098088][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2533.098088][ T74] ___sys_sendmsg+0xee/0x170 [ 2533.098088][ T74] __sys_sendmsg+0xcd/0x170 [ 2533.098088][ T74] do_syscall_64+0xc6/0x1e0 [ 2533.098088][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2533.098088][ T74] [ 2533.099630][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2533.099630][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2533.099630][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2533.099630][ T74] ipv6_find_idev+0x102/0x170 [ 2533.099630][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2533.099630][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2533.099630][ T74] netlink_rcv_skb+0x130/0x360 [ 2533.099630][ T74] netlink_unicast+0x449/0x710 [ 2533.099630][ T74] netlink_sendmsg+0x723/0xbe0 [ 2533.099630][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2533.099630][ T74] ___sys_sendmsg+0xee/0x170 [ 2533.099630][ T74] __sys_sendmsg+0xcd/0x170 [ 2533.099630][ T74] do_syscall_64+0xc6/0x1e0 [ 2533.099630][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2533.099630][ T74] [ 2533.101325][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2533.101593][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2533.101593][ T74] dst_init+0x84/0x4a0 [ 2533.101593][ T74] dst_alloc+0x97/0x150 [ 2533.101593][ T74] ip6_dst_alloc+0x23/0x90 [ 2533.101593][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2533.101593][ T74] ip6_pol_route+0x56f/0x840 [ 2533.101593][ T74] fib6_rule_lookup+0x456/0x630 [ 2533.101593][ T74] ip6_route_input+0x59c/0xa50 [ 2533.101593][ T74] ipv6_rcv+0x397/0x810 [ 2533.101593][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2533.101593][ T74] process_backlog+0x101/0x620 [ 2533.101593][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2533.101593][ T74] net_rx_action+0x495/0xbe0 [ 2533.101593][ T74] __do_softirq+0x1b5/0x7f6 [ 2533.101593][ T74] [ 2533.103222][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2533.103222][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2533.103222][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2533.103222][ T74] fib6_nh_init+0xa22/0x1580 [ 2533.103222][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2533.103222][ T74] ip6_route_add+0x1c/0x140 [ 2533.103222][ T74] inet6_rtm_newroute+0x104/0x110 [ 2533.103222][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2533.103222][ T74] netlink_rcv_skb+0x130/0x360 [ 2533.103222][ T74] netlink_unicast+0x449/0x710 [ 2533.103222][ T74] netlink_sendmsg+0x723/0xbe0 [ 2533.103222][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2533.103222][ T74] ___sys_sendmsg+0xee/0x170 [ 2533.103222][ T74] __sys_sendmsg+0xcd/0x170 [ 2533.103222][ T74] do_syscall_64+0xc6/0x1e0 [ 2533.103222][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2533.103222][ T74] [ 2533.105100][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2533.105100][ T74] netdev_get_by_index+0x5e/0x80 [ 2533.105100][ T74] fib6_nh_init+0x3d8/0x1580 [ 2533.105100][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2533.105100][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2533.105100][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2533.105100][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2533.105100][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2533.105100][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2533.105100][ T74] addrconf_dad_begin+0x310/0x670 [ 2533.105100][ T74] addrconf_dad_work+0x10b/0xab0 [ 2533.105100][ T74] process_one_work+0x84d/0x18a0 [ 2533.105100][ T74] worker_thread+0x587/0xd30 [ 2533.105100][ T74] kthread+0x28a/0x350 [ 2533.105100][ T74] ret_from_fork+0x31/0x70 [ 2533.105100][ T74] ret_from_fork_asm+0x1a/0x30 [ 2533.105100][ T74] [ 2533.107005][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2533.107005][ T74] netdev_get_by_index+0x5e/0x80 [ 2533.107005][ T74] fib6_nh_init+0x3d8/0x1580 [ 2533.107005][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2533.107005][ T74] ip6_route_add+0x1c/0x140 [ 2533.107005][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2533.107005][ T74] inet6_addr_add+0x4f8/0xa40 [ 2533.107005][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2533.107005][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2533.107005][ T74] netlink_rcv_skb+0x130/0x360 [ 2533.107005][ T74] netlink_unicast+0x449/0x710 [ 2533.107005][ T74] netlink_sendmsg+0x723/0xbe0 [ 2533.107005][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2533.107005][ T74] ___sys_sendmsg+0xee/0x170 [ 2533.107005][ T74] __sys_sendmsg+0xcd/0x170 [ 2533.107005][ T74] do_syscall_64+0xc6/0x1e0 [ 2533.107005][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2533.107005][ T74] [ 2533.108994][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2533.108994][ T74] netdev_get_by_index+0x5e/0x80 [ 2533.108994][ T74] fib6_nh_init+0x3d8/0x1580 [ 2533.108994][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2533.108994][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2533.108994][ T74] ipv6_add_addr+0x411/0x2000 [ 2533.108994][ T74] inet6_addr_add+0x30e/0xa40 [ 2533.108994][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2533.108994][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2533.108994][ T74] netlink_rcv_skb+0x130/0x360 [ 2533.108994][ T74] netlink_unicast+0x449/0x710 [ 2533.108994][ T74] netlink_sendmsg+0x723/0xbe0 [ 2533.108994][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2533.108994][ T74] ___sys_sendmsg+0xee/0x170 [ 2533.108994][ T74] __sys_sendmsg+0xcd/0x170 [ 2533.108994][ T74] do_syscall_64+0xc6/0x1e0 [ 2533.108994][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2533.108994][ T74] [ 2533.110978][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2533.110978][ T74] netdev_get_by_index+0x5e/0x80 [ 2533.110978][ T74] fib6_nh_init+0x3d8/0x1580 [ 2533.110978][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2533.110978][ T74] ip6_route_add+0x1c/0x140 [ 2533.110978][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2533.110978][ T74] addrconf_add_dev+0xe2/0x170 [ 2533.110978][ T74] inet6_addr_add+0x12f/0xa40 [ 2533.110978][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2533.110978][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2533.110978][ T74] netlink_rcv_skb+0x130/0x360 [ 2533.110978][ T74] netlink_unicast+0x449/0x710 [ 2533.110978][ T74] netlink_sendmsg+0x723/0xbe0 [ 2533.110978][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2533.110978][ T74] ___sys_sendmsg+0xee/0x170 [ 2533.110978][ T74] __sys_sendmsg+0xcd/0x170 [ 2533.110978][ T74] do_syscall_64+0xc6/0x1e0 [ 2533.110978][ T74] [ 2533.112934][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2533.112934][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2533.112934][ T74] ipv6_find_idev+0x102/0x170 [ 2533.112934][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2533.112934][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2533.112934][ T74] netlink_rcv_skb+0x130/0x360 [ 2533.112934][ T74] netlink_unicast+0x449/0x710 [ 2533.112934][ T74] netlink_sendmsg+0x723/0xbe0 [ 2533.112934][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2533.112934][ T74] ___sys_sendmsg+0xee/0x170 [ 2533.112934][ T74] __sys_sendmsg+0xcd/0x170 [ 2533.112934][ T74] do_syscall_64+0xc6/0x1e0 [ 2533.112934][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2533.112934][ T74] [ 2533.114657][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2533.114657][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2533.114657][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2533.114657][ T74] ipv6_find_idev+0x102/0x170 [ 2533.114657][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2533.114657][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2533.114657][ T74] netlink_rcv_skb+0x130/0x360 [ 2533.114657][ T74] netlink_unicast+0x449/0x710 [ 2533.114657][ T74] netlink_sendmsg+0x723/0xbe0 [ 2533.114657][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2533.114657][ T74] ___sys_sendmsg+0xee/0x170 [ 2533.114657][ T74] __sys_sendmsg+0xcd/0x170 [ 2533.114657][ T74] do_syscall_64+0xc6/0x1e0 [ 2533.114657][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2533.114657][ T74] [ 2533.116565][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2533.116807][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2533.116807][ T74] netdev_get_by_index+0x5e/0x80 [ 2533.116807][ T74] fib6_nh_init+0x3d8/0x1580 [ 2533.116807][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2533.116807][ T74] ip6_route_add+0x1c/0x140 [ 2533.116807][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2533.116807][ T74] inet6_addr_add+0x4f8/0xa40 [ 2533.116807][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2533.116807][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2533.116807][ T74] netlink_rcv_skb+0x130/0x360 [ 2533.116807][ T74] netlink_unicast+0x449/0x710 [ 2533.116807][ T74] netlink_sendmsg+0x723/0xbe0 [ 2533.116807][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2533.116807][ T74] ___sys_sendmsg+0xee/0x170 [ 2533.116807][ T74] __sys_sendmsg+0xcd/0x170 [ 2533.116807][ T74] do_syscall_64+0xc6/0x1e0 [ 2533.116807][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2533.116807][ T74] [ 2533.118985][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2533.118985][ T74] netdev_get_by_index+0x5e/0x80 [ 2533.118985][ T74] fib6_nh_init+0x3d8/0x1580 [ 2533.118985][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2533.118985][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2533.118985][ T74] ipv6_add_addr+0x411/0x2000 [ 2533.118985][ T74] inet6_addr_add+0x30e/0xa40 [ 2533.118985][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2533.118985][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2533.118985][ T74] netlink_rcv_skb+0x130/0x360 [ 2533.118985][ T74] netlink_unicast+0x449/0x710 [ 2533.118985][ T74] netlink_sendmsg+0x723/0xbe0 [ 2533.118985][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2533.118985][ T74] ___sys_sendmsg+0xee/0x170 [ 2533.118985][ T74] __sys_sendmsg+0xcd/0x170 [ 2533.118985][ T74] do_syscall_64+0xc6/0x1e0 [ 2533.118985][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2533.118985][ T74] [ 2533.121210][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2533.121210][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2533.121210][ T74] ipv6_find_idev+0x102/0x170 [ 2533.121210][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2533.121210][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2533.121210][ T74] netlink_rcv_skb+0x130/0x360 [ 2533.121210][ T74] netlink_unicast+0x449/0x710 [ 2533.121210][ T74] netlink_sendmsg+0x723/0xbe0 [ 2533.121210][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2533.121210][ T74] ___sys_sendmsg+0xee/0x170 [ 2533.121210][ T74] __sys_sendmsg+0xcd/0x170 [ 2533.121210][ T74] do_syscall_64+0xc6/0x1e0 [ 2533.121210][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2533.121210][ T74] [ 2533.122866][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2533.122866][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2533.122866][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2533.122866][ T74] ipv6_find_idev+0x102/0x170 [ 2533.122866][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2533.122866][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2533.122866][ T74] netlink_rcv_skb+0x130/0x360 [ 2533.122866][ T74] netlink_unicast+0x449/0x710 [ 2533.122866][ T74] netlink_sendmsg+0x723/0xbe0 [ 2533.122866][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2533.122866][ T74] ___sys_sendmsg+0xee/0x170 [ 2533.122866][ T74] __sys_sendmsg+0xcd/0x170 [ 2533.122866][ T74] do_syscall_64+0xc6/0x1e0 [ 2533.122866][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2533.122866][ T74] [ 2543.375980][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2543.376357][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2543.376357][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2543.376357][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2543.376357][ T74] fib6_nh_init+0xa22/0x1580 [ 2543.376357][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2543.376357][ T74] ip6_route_add+0x1c/0x140 [ 2543.376357][ T74] inet6_rtm_newroute+0x104/0x110 [ 2543.376357][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2543.376357][ T74] netlink_rcv_skb+0x130/0x360 [ 2543.376357][ T74] netlink_unicast+0x449/0x710 [ 2543.376357][ T74] netlink_sendmsg+0x723/0xbe0 [ 2543.376357][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2543.376357][ T74] ___sys_sendmsg+0xee/0x170 [ 2543.376357][ T74] __sys_sendmsg+0xcd/0x170 [ 2543.376357][ T74] do_syscall_64+0xc6/0x1e0 [ 2543.376357][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2543.376357][ T74] [ 2543.378551][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2543.378551][ T74] netdev_get_by_index+0x5e/0x80 [ 2543.378551][ T74] fib6_nh_init+0x3d8/0x1580 [ 2543.378551][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2543.378551][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2543.378551][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2543.378551][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2543.378551][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2543.378551][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2543.378551][ T74] addrconf_dad_begin+0x310/0x670 [ 2543.378551][ T74] addrconf_dad_work+0x10b/0xab0 [ 2543.378551][ T74] process_one_work+0x84d/0x18a0 [ 2543.378551][ T74] worker_thread+0x587/0xd30 [ 2543.378551][ T74] kthread+0x28a/0x350 [ 2543.378551][ T74] ret_from_fork+0x31/0x70 [ 2543.378551][ T74] ret_from_fork_asm+0x1a/0x30 [ 2543.378551][ T74] [ 2543.380463][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2543.380463][ T74] netdev_get_by_index+0x5e/0x80 [ 2543.380463][ T74] fib6_nh_init+0x3d8/0x1580 [ 2543.380463][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2543.380463][ T74] ip6_route_add+0x1c/0x140 [ 2543.380463][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2543.380463][ T74] inet6_addr_add+0x4f8/0xa40 [ 2543.380463][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2543.380463][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2543.380463][ T74] netlink_rcv_skb+0x130/0x360 [ 2543.380463][ T74] netlink_unicast+0x449/0x710 [ 2543.380463][ T74] netlink_sendmsg+0x723/0xbe0 [ 2543.380463][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2543.380463][ T74] ___sys_sendmsg+0xee/0x170 [ 2543.380463][ T74] __sys_sendmsg+0xcd/0x170 [ 2543.380463][ T74] do_syscall_64+0xc6/0x1e0 [ 2543.380463][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2543.380463][ T74] [ 2543.382461][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2543.382461][ T74] netdev_get_by_index+0x5e/0x80 [ 2543.382461][ T74] fib6_nh_init+0x3d8/0x1580 [ 2543.382461][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2543.382461][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2543.382461][ T74] ipv6_add_addr+0x411/0x2000 [ 2543.382461][ T74] inet6_addr_add+0x30e/0xa40 [ 2543.382461][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2543.382461][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2543.382461][ T74] netlink_rcv_skb+0x130/0x360 [ 2543.382461][ T74] netlink_unicast+0x449/0x710 [ 2543.382461][ T74] netlink_sendmsg+0x723/0xbe0 [ 2543.382461][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2543.382461][ T74] ___sys_sendmsg+0xee/0x170 [ 2543.382461][ T74] __sys_sendmsg+0xcd/0x170 [ 2543.382461][ T74] do_syscall_64+0xc6/0x1e0 [ 2543.382461][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2543.382461][ T74] [ 2543.384463][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2543.384463][ T74] netdev_get_by_index+0x5e/0x80 [ 2543.384463][ T74] fib6_nh_init+0x3d8/0x1580 [ 2543.384463][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2543.384463][ T74] ip6_route_add+0x1c/0x140 [ 2543.384463][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2543.384463][ T74] addrconf_add_dev+0xe2/0x170 [ 2543.384463][ T74] inet6_addr_add+0x12f/0xa40 [ 2543.384463][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2543.384463][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2543.384463][ T74] netlink_rcv_skb+0x130/0x360 [ 2543.384463][ T74] netlink_unicast+0x449/0x710 [ 2543.384463][ T74] netlink_sendmsg+0x723/0xbe0 [ 2543.384463][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2543.384463][ T74] ___sys_sendmsg+0xee/0x170 [ 2543.384463][ T74] __sys_sendmsg+0xcd/0x170 [ 2543.384463][ T74] do_syscall_64+0xc6/0x1e0 [ 2543.384463][ T74] [ 2543.386413][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2543.386413][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2543.386413][ T74] ipv6_find_idev+0x102/0x170 [ 2543.386413][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2543.386413][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2543.386413][ T74] netlink_rcv_skb+0x130/0x360 [ 2543.386413][ T74] netlink_unicast+0x449/0x710 [ 2543.386413][ T74] netlink_sendmsg+0x723/0xbe0 [ 2543.386413][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2543.386413][ T74] ___sys_sendmsg+0xee/0x170 [ 2543.386413][ T74] __sys_sendmsg+0xcd/0x170 [ 2543.386413][ T74] do_syscall_64+0xc6/0x1e0 [ 2543.386413][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2543.386413][ T74] [ 2543.387954][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2543.387954][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2543.387954][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2543.387954][ T74] ipv6_find_idev+0x102/0x170 [ 2543.387954][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2543.387954][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2543.387954][ T74] netlink_rcv_skb+0x130/0x360 [ 2543.387954][ T74] netlink_unicast+0x449/0x710 [ 2543.387954][ T74] netlink_sendmsg+0x723/0xbe0 [ 2543.387954][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2543.387954][ T74] ___sys_sendmsg+0xee/0x170 [ 2543.387954][ T74] __sys_sendmsg+0xcd/0x170 [ 2543.387954][ T74] do_syscall_64+0xc6/0x1e0 [ 2543.387954][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2543.387954][ T74] [ 2543.389629][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2543.389914][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2543.389914][ T74] dst_init+0x84/0x4a0 [ 2543.389914][ T74] dst_alloc+0x97/0x150 [ 2543.389914][ T74] ip6_dst_alloc+0x23/0x90 [ 2543.389914][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2543.389914][ T74] ip6_pol_route+0x56f/0x840 [ 2543.389914][ T74] fib6_rule_lookup+0x456/0x630 [ 2543.389914][ T74] ip6_route_input+0x59c/0xa50 [ 2543.389914][ T74] ipv6_rcv+0x397/0x810 [ 2543.389914][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2543.389914][ T74] process_backlog+0x101/0x620 [ 2543.389914][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2543.389914][ T74] net_rx_action+0x495/0xbe0 [ 2543.389914][ T74] __do_softirq+0x1b5/0x7f6 [ 2543.389914][ T74] [ 2543.391556][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2543.391556][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2543.391556][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2543.391556][ T74] fib6_nh_init+0xa22/0x1580 [ 2543.391556][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2543.391556][ T74] ip6_route_add+0x1c/0x140 [ 2543.391556][ T74] inet6_rtm_newroute+0x104/0x110 [ 2543.391556][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2543.391556][ T74] netlink_rcv_skb+0x130/0x360 [ 2543.391556][ T74] netlink_unicast+0x449/0x710 [ 2543.391556][ T74] netlink_sendmsg+0x723/0xbe0 [ 2543.391556][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2543.391556][ T74] ___sys_sendmsg+0xee/0x170 [ 2543.391556][ T74] __sys_sendmsg+0xcd/0x170 [ 2543.391556][ T74] do_syscall_64+0xc6/0x1e0 [ 2543.391556][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2543.391556][ T74] [ 2543.393430][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2543.393430][ T74] netdev_get_by_index+0x5e/0x80 [ 2543.393430][ T74] fib6_nh_init+0x3d8/0x1580 [ 2543.393430][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2543.393430][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2543.393430][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2543.393430][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2543.393430][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2543.393430][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2543.393430][ T74] addrconf_dad_begin+0x310/0x670 [ 2543.393430][ T74] addrconf_dad_work+0x10b/0xab0 [ 2543.393430][ T74] process_one_work+0x84d/0x18a0 [ 2543.393430][ T74] worker_thread+0x587/0xd30 [ 2543.393430][ T74] kthread+0x28a/0x350 [ 2543.393430][ T74] ret_from_fork+0x31/0x70 [ 2543.393430][ T74] ret_from_fork_asm+0x1a/0x30 [ 2543.393430][ T74] [ 2543.395330][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2543.395330][ T74] netdev_get_by_index+0x5e/0x80 [ 2543.395330][ T74] fib6_nh_init+0x3d8/0x1580 [ 2543.395330][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2543.395330][ T74] ip6_route_add+0x1c/0x140 [ 2543.395330][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2543.395330][ T74] inet6_addr_add+0x4f8/0xa40 [ 2543.395330][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2543.395330][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2543.395330][ T74] netlink_rcv_skb+0x130/0x360 [ 2543.395330][ T74] netlink_unicast+0x449/0x710 [ 2543.395330][ T74] netlink_sendmsg+0x723/0xbe0 [ 2543.395330][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2543.395330][ T74] ___sys_sendmsg+0xee/0x170 [ 2543.395330][ T74] __sys_sendmsg+0xcd/0x170 [ 2543.395330][ T74] do_syscall_64+0xc6/0x1e0 [ 2543.395330][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2543.395330][ T74] [ 2543.397325][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2543.397325][ T74] netdev_get_by_index+0x5e/0x80 [ 2543.397325][ T74] fib6_nh_init+0x3d8/0x1580 [ 2543.397325][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2543.397325][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2543.397325][ T74] ipv6_add_addr+0x411/0x2000 [ 2543.397325][ T74] inet6_addr_add+0x30e/0xa40 [ 2543.397325][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2543.397325][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2543.397325][ T74] netlink_rcv_skb+0x130/0x360 [ 2543.397325][ T74] netlink_unicast+0x449/0x710 [ 2543.397325][ T74] netlink_sendmsg+0x723/0xbe0 [ 2543.397325][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2543.397325][ T74] ___sys_sendmsg+0xee/0x170 [ 2543.397325][ T74] __sys_sendmsg+0xcd/0x170 [ 2543.397325][ T74] do_syscall_64+0xc6/0x1e0 [ 2543.397325][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2543.397325][ T74] [ 2543.399330][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2543.399330][ T74] netdev_get_by_index+0x5e/0x80 [ 2543.399330][ T74] fib6_nh_init+0x3d8/0x1580 [ 2543.399330][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2543.399330][ T74] ip6_route_add+0x1c/0x140 [ 2543.399330][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2543.399330][ T74] addrconf_add_dev+0xe2/0x170 [ 2543.399330][ T74] inet6_addr_add+0x12f/0xa40 [ 2543.399330][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2543.399330][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2543.399330][ T74] netlink_rcv_skb+0x130/0x360 [ 2543.399330][ T74] netlink_unicast+0x449/0x710 [ 2543.399330][ T74] netlink_sendmsg+0x723/0xbe0 [ 2543.399330][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2543.399330][ T74] ___sys_sendmsg+0xee/0x170 [ 2543.399330][ T74] __sys_sendmsg+0xcd/0x170 [ 2543.399330][ T74] do_syscall_64+0xc6/0x1e0 [ 2543.399330][ T74] [ 2543.401284][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2543.401284][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2543.401284][ T74] ipv6_find_idev+0x102/0x170 [ 2543.401284][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2543.401284][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2543.401284][ T74] netlink_rcv_skb+0x130/0x360 [ 2543.401284][ T74] netlink_unicast+0x449/0x710 [ 2543.401284][ T74] netlink_sendmsg+0x723/0xbe0 [ 2543.401284][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2543.401284][ T74] ___sys_sendmsg+0xee/0x170 [ 2543.401284][ T74] __sys_sendmsg+0xcd/0x170 [ 2543.401284][ T74] do_syscall_64+0xc6/0x1e0 [ 2543.401284][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2543.401284][ T74] [ 2543.402996][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2543.402996][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2543.402996][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2543.402996][ T74] ipv6_find_idev+0x102/0x170 [ 2543.402996][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2543.402996][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2543.402996][ T74] netlink_rcv_skb+0x130/0x360 [ 2543.402996][ T74] netlink_unicast+0x449/0x710 [ 2543.402996][ T74] netlink_sendmsg+0x723/0xbe0 [ 2543.402996][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2543.402996][ T74] ___sys_sendmsg+0xee/0x170 [ 2543.402996][ T74] __sys_sendmsg+0xcd/0x170 [ 2543.402996][ T74] do_syscall_64+0xc6/0x1e0 [ 2543.402996][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2543.402996][ T74] [ 2543.405218][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2543.405460][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2543.405460][ T74] netdev_get_by_index+0x5e/0x80 [ 2543.405460][ T74] fib6_nh_init+0x3d8/0x1580 [ 2543.405460][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2543.405460][ T74] ip6_route_add+0x1c/0x140 [ 2543.405460][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2543.405460][ T74] inet6_addr_add+0x4f8/0xa40 [ 2543.405460][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2543.405460][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2543.405460][ T74] netlink_rcv_skb+0x130/0x360 [ 2543.405460][ T74] netlink_unicast+0x449/0x710 [ 2543.405460][ T74] netlink_sendmsg+0x723/0xbe0 [ 2543.405460][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2543.405460][ T74] ___sys_sendmsg+0xee/0x170 [ 2543.405460][ T74] __sys_sendmsg+0xcd/0x170 [ 2543.405460][ T74] do_syscall_64+0xc6/0x1e0 [ 2543.405460][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2543.405460][ T74] [ 2543.407697][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2543.407697][ T74] netdev_get_by_index+0x5e/0x80 [ 2543.407697][ T74] fib6_nh_init+0x3d8/0x1580 [ 2543.407697][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2543.407697][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2543.407697][ T74] ipv6_add_addr+0x411/0x2000 [ 2543.407697][ T74] inet6_addr_add+0x30e/0xa40 [ 2543.407697][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2543.407697][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2543.407697][ T74] netlink_rcv_skb+0x130/0x360 [ 2543.407697][ T74] netlink_unicast+0x449/0x710 [ 2543.407697][ T74] netlink_sendmsg+0x723/0xbe0 [ 2543.407697][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2543.407697][ T74] ___sys_sendmsg+0xee/0x170 [ 2543.407697][ T74] __sys_sendmsg+0xcd/0x170 [ 2543.407697][ T74] do_syscall_64+0xc6/0x1e0 [ 2543.407697][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2543.407697][ T74] [ 2543.409926][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2543.409926][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2543.409926][ T74] ipv6_find_idev+0x102/0x170 [ 2543.409926][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2543.409926][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2543.409926][ T74] netlink_rcv_skb+0x130/0x360 [ 2543.409926][ T74] netlink_unicast+0x449/0x710 [ 2543.409926][ T74] netlink_sendmsg+0x723/0xbe0 [ 2543.409926][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2543.409926][ T74] ___sys_sendmsg+0xee/0x170 [ 2543.409926][ T74] __sys_sendmsg+0xcd/0x170 [ 2543.409926][ T74] do_syscall_64+0xc6/0x1e0 [ 2543.409926][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2543.409926][ T74] [ 2543.411643][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2543.411643][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2543.411643][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2543.411643][ T74] ipv6_find_idev+0x102/0x170 [ 2543.411643][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2543.411643][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2543.411643][ T74] netlink_rcv_skb+0x130/0x360 [ 2543.411643][ T74] netlink_unicast+0x449/0x710 [ 2543.411643][ T74] netlink_sendmsg+0x723/0xbe0 [ 2543.411643][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2543.411643][ T74] ___sys_sendmsg+0xee/0x170 [ 2543.411643][ T74] __sys_sendmsg+0xcd/0x170 [ 2543.411643][ T74] do_syscall_64+0xc6/0x1e0 [ 2543.411643][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2543.411643][ T74] [ 2553.656313][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2553.656705][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2553.656705][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2553.656705][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2553.656705][ T74] fib6_nh_init+0xa22/0x1580 [ 2553.656705][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2553.656705][ T74] ip6_route_add+0x1c/0x140 [ 2553.656705][ T74] inet6_rtm_newroute+0x104/0x110 [ 2553.656705][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2553.656705][ T74] netlink_rcv_skb+0x130/0x360 [ 2553.656705][ T74] netlink_unicast+0x449/0x710 [ 2553.656705][ T74] netlink_sendmsg+0x723/0xbe0 [ 2553.656705][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2553.656705][ T74] ___sys_sendmsg+0xee/0x170 [ 2553.656705][ T74] __sys_sendmsg+0xcd/0x170 [ 2553.656705][ T74] do_syscall_64+0xc6/0x1e0 [ 2553.656705][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2553.656705][ T74] [ 2553.658611][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2553.658611][ T74] netdev_get_by_index+0x5e/0x80 [ 2553.658611][ T74] fib6_nh_init+0x3d8/0x1580 [ 2553.658611][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2553.658611][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2553.658611][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2553.658611][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2553.658611][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2553.658611][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2553.658611][ T74] addrconf_dad_begin+0x310/0x670 [ 2553.658611][ T74] addrconf_dad_work+0x10b/0xab0 [ 2553.658611][ T74] process_one_work+0x84d/0x18a0 [ 2553.658611][ T74] worker_thread+0x587/0xd30 [ 2553.658611][ T74] kthread+0x28a/0x350 [ 2553.658611][ T74] ret_from_fork+0x31/0x70 [ 2553.658611][ T74] ret_from_fork_asm+0x1a/0x30 [ 2553.658611][ T74] [ 2553.660517][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2553.660517][ T74] netdev_get_by_index+0x5e/0x80 [ 2553.660517][ T74] fib6_nh_init+0x3d8/0x1580 [ 2553.660517][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2553.660517][ T74] ip6_route_add+0x1c/0x140 [ 2553.660517][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2553.660517][ T74] inet6_addr_add+0x4f8/0xa40 [ 2553.660517][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2553.660517][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2553.660517][ T74] netlink_rcv_skb+0x130/0x360 [ 2553.660517][ T74] netlink_unicast+0x449/0x710 [ 2553.660517][ T74] netlink_sendmsg+0x723/0xbe0 [ 2553.660517][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2553.660517][ T74] ___sys_sendmsg+0xee/0x170 [ 2553.660517][ T74] __sys_sendmsg+0xcd/0x170 [ 2553.660517][ T74] do_syscall_64+0xc6/0x1e0 [ 2553.660517][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2553.660517][ T74] [ 2553.662515][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2553.662515][ T74] netdev_get_by_index+0x5e/0x80 [ 2553.662515][ T74] fib6_nh_init+0x3d8/0x1580 [ 2553.662515][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2553.662515][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2553.662515][ T74] ipv6_add_addr+0x411/0x2000 [ 2553.662515][ T74] inet6_addr_add+0x30e/0xa40 [ 2553.662515][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2553.662515][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2553.662515][ T74] netlink_rcv_skb+0x130/0x360 [ 2553.662515][ T74] netlink_unicast+0x449/0x710 [ 2553.662515][ T74] netlink_sendmsg+0x723/0xbe0 [ 2553.662515][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2553.662515][ T74] ___sys_sendmsg+0xee/0x170 [ 2553.662515][ T74] __sys_sendmsg+0xcd/0x170 [ 2553.662515][ T74] do_syscall_64+0xc6/0x1e0 [ 2553.662515][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2553.662515][ T74] [ 2553.664509][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2553.664509][ T74] netdev_get_by_index+0x5e/0x80 [ 2553.664509][ T74] fib6_nh_init+0x3d8/0x1580 [ 2553.664509][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2553.664509][ T74] ip6_route_add+0x1c/0x140 [ 2553.664509][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2553.664509][ T74] addrconf_add_dev+0xe2/0x170 [ 2553.664509][ T74] inet6_addr_add+0x12f/0xa40 [ 2553.664509][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2553.664509][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2553.664509][ T74] netlink_rcv_skb+0x130/0x360 [ 2553.664509][ T74] netlink_unicast+0x449/0x710 [ 2553.664509][ T74] netlink_sendmsg+0x723/0xbe0 [ 2553.664509][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2553.664509][ T74] ___sys_sendmsg+0xee/0x170 [ 2553.664509][ T74] __sys_sendmsg+0xcd/0x170 [ 2553.664509][ T74] do_syscall_64+0xc6/0x1e0 [ 2553.664509][ T74] [ 2553.666474][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2553.666474][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2553.666474][ T74] ipv6_find_idev+0x102/0x170 [ 2553.666474][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2553.666474][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2553.666474][ T74] netlink_rcv_skb+0x130/0x360 [ 2553.666474][ T74] netlink_unicast+0x449/0x710 [ 2553.666474][ T74] netlink_sendmsg+0x723/0xbe0 [ 2553.666474][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2553.666474][ T74] ___sys_sendmsg+0xee/0x170 [ 2553.666474][ T74] __sys_sendmsg+0xcd/0x170 [ 2553.666474][ T74] do_syscall_64+0xc6/0x1e0 [ 2553.666474][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2553.666474][ T74] [ 2553.668021][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2553.668021][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2553.668021][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2553.668021][ T74] ipv6_find_idev+0x102/0x170 [ 2553.668021][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2553.668021][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2553.668021][ T74] netlink_rcv_skb+0x130/0x360 [ 2553.668021][ T74] netlink_unicast+0x449/0x710 [ 2553.668021][ T74] netlink_sendmsg+0x723/0xbe0 [ 2553.668021][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2553.668021][ T74] ___sys_sendmsg+0xee/0x170 [ 2553.668021][ T74] __sys_sendmsg+0xcd/0x170 [ 2553.668021][ T74] do_syscall_64+0xc6/0x1e0 [ 2553.668021][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2553.668021][ T74] [ 2553.669711][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2553.669996][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2553.669996][ T74] dst_init+0x84/0x4a0 [ 2553.669996][ T74] dst_alloc+0x97/0x150 [ 2553.669996][ T74] ip6_dst_alloc+0x23/0x90 [ 2553.669996][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2553.669996][ T74] ip6_pol_route+0x56f/0x840 [ 2553.669996][ T74] fib6_rule_lookup+0x456/0x630 [ 2553.669996][ T74] ip6_route_input+0x59c/0xa50 [ 2553.669996][ T74] ipv6_rcv+0x397/0x810 [ 2553.669996][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2553.669996][ T74] process_backlog+0x101/0x620 [ 2553.669996][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2553.669996][ T74] net_rx_action+0x495/0xbe0 [ 2553.669996][ T74] __do_softirq+0x1b5/0x7f6 [ 2553.669996][ T74] [ 2553.671624][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2553.671624][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2553.671624][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2553.671624][ T74] fib6_nh_init+0xa22/0x1580 [ 2553.671624][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2553.671624][ T74] ip6_route_add+0x1c/0x140 [ 2553.671624][ T74] inet6_rtm_newroute+0x104/0x110 [ 2553.671624][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2553.671624][ T74] netlink_rcv_skb+0x130/0x360 [ 2553.671624][ T74] netlink_unicast+0x449/0x710 [ 2553.671624][ T74] netlink_sendmsg+0x723/0xbe0 [ 2553.671624][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2553.671624][ T74] ___sys_sendmsg+0xee/0x170 [ 2553.671624][ T74] __sys_sendmsg+0xcd/0x170 [ 2553.671624][ T74] do_syscall_64+0xc6/0x1e0 [ 2553.671624][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2553.671624][ T74] [ 2553.673498][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2553.673498][ T74] netdev_get_by_index+0x5e/0x80 [ 2553.673498][ T74] fib6_nh_init+0x3d8/0x1580 [ 2553.673498][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2553.673498][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2553.673498][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2553.673498][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2553.673498][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2553.673498][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2553.673498][ T74] addrconf_dad_begin+0x310/0x670 [ 2553.673498][ T74] addrconf_dad_work+0x10b/0xab0 [ 2553.673498][ T74] process_one_work+0x84d/0x18a0 [ 2553.673498][ T74] worker_thread+0x587/0xd30 [ 2553.673498][ T74] kthread+0x28a/0x350 [ 2553.673498][ T74] ret_from_fork+0x31/0x70 [ 2553.673498][ T74] ret_from_fork_asm+0x1a/0x30 [ 2553.673498][ T74] [ 2553.675401][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2553.675401][ T74] netdev_get_by_index+0x5e/0x80 [ 2553.675401][ T74] fib6_nh_init+0x3d8/0x1580 [ 2553.675401][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2553.675401][ T74] ip6_route_add+0x1c/0x140 [ 2553.675401][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2553.675401][ T74] inet6_addr_add+0x4f8/0xa40 [ 2553.675401][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2553.675401][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2553.675401][ T74] netlink_rcv_skb+0x130/0x360 [ 2553.675401][ T74] netlink_unicast+0x449/0x710 [ 2553.675401][ T74] netlink_sendmsg+0x723/0xbe0 [ 2553.675401][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2553.675401][ T74] ___sys_sendmsg+0xee/0x170 [ 2553.675401][ T74] __sys_sendmsg+0xcd/0x170 [ 2553.675401][ T74] do_syscall_64+0xc6/0x1e0 [ 2553.675401][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2553.675401][ T74] [ 2553.677400][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2553.677400][ T74] netdev_get_by_index+0x5e/0x80 [ 2553.677400][ T74] fib6_nh_init+0x3d8/0x1580 [ 2553.677400][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2553.677400][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2553.677400][ T74] ipv6_add_addr+0x411/0x2000 [ 2553.677400][ T74] inet6_addr_add+0x30e/0xa40 [ 2553.677400][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2553.677400][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2553.677400][ T74] netlink_rcv_skb+0x130/0x360 [ 2553.677400][ T74] netlink_unicast+0x449/0x710 [ 2553.677400][ T74] netlink_sendmsg+0x723/0xbe0 [ 2553.677400][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2553.677400][ T74] ___sys_sendmsg+0xee/0x170 [ 2553.677400][ T74] __sys_sendmsg+0xcd/0x170 [ 2553.677400][ T74] do_syscall_64+0xc6/0x1e0 [ 2553.677400][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2553.677400][ T74] [ 2553.679394][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2553.679394][ T74] netdev_get_by_index+0x5e/0x80 [ 2553.679394][ T74] fib6_nh_init+0x3d8/0x1580 [ 2553.679394][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2553.679394][ T74] ip6_route_add+0x1c/0x140 [ 2553.679394][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2553.679394][ T74] addrconf_add_dev+0xe2/0x170 [ 2553.679394][ T74] inet6_addr_add+0x12f/0xa40 [ 2553.679394][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2553.679394][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2553.679394][ T74] netlink_rcv_skb+0x130/0x360 [ 2553.679394][ T74] netlink_unicast+0x449/0x710 [ 2553.679394][ T74] netlink_sendmsg+0x723/0xbe0 [ 2553.679394][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2553.679394][ T74] ___sys_sendmsg+0xee/0x170 [ 2553.679394][ T74] __sys_sendmsg+0xcd/0x170 [ 2553.679394][ T74] do_syscall_64+0xc6/0x1e0 [ 2553.679394][ T74] [ 2553.681351][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2553.681351][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2553.681351][ T74] ipv6_find_idev+0x102/0x170 [ 2553.681351][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2553.681351][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2553.681351][ T74] netlink_rcv_skb+0x130/0x360 [ 2553.681351][ T74] netlink_unicast+0x449/0x710 [ 2553.681351][ T74] netlink_sendmsg+0x723/0xbe0 [ 2553.681351][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2553.681351][ T74] ___sys_sendmsg+0xee/0x170 [ 2553.681351][ T74] __sys_sendmsg+0xcd/0x170 [ 2553.681351][ T74] do_syscall_64+0xc6/0x1e0 [ 2553.681351][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2553.681351][ T74] [ 2553.683082][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2553.683082][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2553.683082][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2553.683082][ T74] ipv6_find_idev+0x102/0x170 [ 2553.683082][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2553.683082][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2553.683082][ T74] netlink_rcv_skb+0x130/0x360 [ 2553.683082][ T74] netlink_unicast+0x449/0x710 [ 2553.683082][ T74] netlink_sendmsg+0x723/0xbe0 [ 2553.683082][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2553.683082][ T74] ___sys_sendmsg+0xee/0x170 [ 2553.683082][ T74] __sys_sendmsg+0xcd/0x170 [ 2553.683082][ T74] do_syscall_64+0xc6/0x1e0 [ 2553.683082][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2553.683082][ T74] [ 2553.684996][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2553.685234][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2553.685234][ T74] netdev_get_by_index+0x5e/0x80 [ 2553.685234][ T74] fib6_nh_init+0x3d8/0x1580 [ 2553.685234][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2553.685234][ T74] ip6_route_add+0x1c/0x140 [ 2553.685234][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2553.685234][ T74] inet6_addr_add+0x4f8/0xa40 [ 2553.685234][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2553.685234][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2553.685234][ T74] netlink_rcv_skb+0x130/0x360 [ 2553.685234][ T74] netlink_unicast+0x449/0x710 [ 2553.685234][ T74] netlink_sendmsg+0x723/0xbe0 [ 2553.685234][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2553.685234][ T74] ___sys_sendmsg+0xee/0x170 [ 2553.685234][ T74] __sys_sendmsg+0xcd/0x170 [ 2553.685234][ T74] do_syscall_64+0xc6/0x1e0 [ 2553.685234][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2553.685234][ T74] [ 2553.687482][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2553.687482][ T74] netdev_get_by_index+0x5e/0x80 [ 2553.687482][ T74] fib6_nh_init+0x3d8/0x1580 [ 2553.687482][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2553.687482][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2553.687482][ T74] ipv6_add_addr+0x411/0x2000 [ 2553.687482][ T74] inet6_addr_add+0x30e/0xa40 [ 2553.687482][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2553.687482][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2553.687482][ T74] netlink_rcv_skb+0x130/0x360 [ 2553.687482][ T74] netlink_unicast+0x449/0x710 [ 2553.687482][ T74] netlink_sendmsg+0x723/0xbe0 [ 2553.687482][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2553.687482][ T74] ___sys_sendmsg+0xee/0x170 [ 2553.687482][ T74] __sys_sendmsg+0xcd/0x170 [ 2553.687482][ T74] do_syscall_64+0xc6/0x1e0 [ 2553.687482][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2553.687482][ T74] [ 2553.689730][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2553.689730][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2553.689730][ T74] ipv6_find_idev+0x102/0x170 [ 2553.689730][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2553.689730][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2553.689730][ T74] netlink_rcv_skb+0x130/0x360 [ 2553.689730][ T74] netlink_unicast+0x449/0x710 [ 2553.689730][ T74] netlink_sendmsg+0x723/0xbe0 [ 2553.689730][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2553.689730][ T74] ___sys_sendmsg+0xee/0x170 [ 2553.689730][ T74] __sys_sendmsg+0xcd/0x170 [ 2553.689730][ T74] do_syscall_64+0xc6/0x1e0 [ 2553.689730][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2553.689730][ T74] [ 2553.691377][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2553.691377][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2553.691377][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2553.691377][ T74] ipv6_find_idev+0x102/0x170 [ 2553.691377][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2553.691377][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2553.691377][ T74] netlink_rcv_skb+0x130/0x360 [ 2553.691377][ T74] netlink_unicast+0x449/0x710 [ 2553.691377][ T74] netlink_sendmsg+0x723/0xbe0 [ 2553.691377][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2553.691377][ T74] ___sys_sendmsg+0xee/0x170 [ 2553.691377][ T74] __sys_sendmsg+0xcd/0x170 [ 2553.691377][ T74] do_syscall_64+0xc6/0x1e0 [ 2553.691377][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2553.691377][ T74] [ 2563.759981][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2563.760544][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2563.760544][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2563.760544][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2563.760544][ T74] fib6_nh_init+0xa22/0x1580 [ 2563.760544][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2563.760544][ T74] ip6_route_add+0x1c/0x140 [ 2563.760544][ T74] inet6_rtm_newroute+0x104/0x110 [ 2563.760544][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2563.760544][ T74] netlink_rcv_skb+0x130/0x360 [ 2563.760544][ T74] netlink_unicast+0x449/0x710 [ 2563.760544][ T74] netlink_sendmsg+0x723/0xbe0 [ 2563.760544][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2563.760544][ T74] ___sys_sendmsg+0xee/0x170 [ 2563.760544][ T74] __sys_sendmsg+0xcd/0x170 [ 2563.760544][ T74] do_syscall_64+0xc6/0x1e0 [ 2563.760544][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2563.760544][ T74] [ 2563.763026][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2563.763026][ T74] netdev_get_by_index+0x5e/0x80 [ 2563.763026][ T74] fib6_nh_init+0x3d8/0x1580 [ 2563.763026][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2563.763026][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2563.763026][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2563.763026][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2563.763026][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2563.763026][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2563.763026][ T74] addrconf_dad_begin+0x310/0x670 [ 2563.763026][ T74] addrconf_dad_work+0x10b/0xab0 [ 2563.763026][ T74] process_one_work+0x84d/0x18a0 [ 2563.763026][ T74] worker_thread+0x587/0xd30 [ 2563.763026][ T74] kthread+0x28a/0x350 [ 2563.763026][ T74] ret_from_fork+0x31/0x70 [ 2563.763026][ T74] ret_from_fork_asm+0x1a/0x30 [ 2563.763026][ T74] [ 2563.765472][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2563.765472][ T74] netdev_get_by_index+0x5e/0x80 [ 2563.765472][ T74] fib6_nh_init+0x3d8/0x1580 [ 2563.765472][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2563.765472][ T74] ip6_route_add+0x1c/0x140 [ 2563.765472][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2563.765472][ T74] inet6_addr_add+0x4f8/0xa40 [ 2563.765472][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2563.765472][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2563.765472][ T74] netlink_rcv_skb+0x130/0x360 [ 2563.765472][ T74] netlink_unicast+0x449/0x710 [ 2563.765472][ T74] netlink_sendmsg+0x723/0xbe0 [ 2563.765472][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2563.765472][ T74] ___sys_sendmsg+0xee/0x170 [ 2563.765472][ T74] __sys_sendmsg+0xcd/0x170 [ 2563.765472][ T74] do_syscall_64+0xc6/0x1e0 [ 2563.765472][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2563.765472][ T74] [ 2563.768139][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2563.768139][ T74] netdev_get_by_index+0x5e/0x80 [ 2563.768139][ T74] fib6_nh_init+0x3d8/0x1580 [ 2563.768139][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2563.768139][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2563.768139][ T74] ipv6_add_addr+0x411/0x2000 [ 2563.768139][ T74] inet6_addr_add+0x30e/0xa40 [ 2563.768139][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2563.768139][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2563.768139][ T74] netlink_rcv_skb+0x130/0x360 [ 2563.768139][ T74] netlink_unicast+0x449/0x710 [ 2563.768139][ T74] netlink_sendmsg+0x723/0xbe0 [ 2563.768139][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2563.768139][ T74] ___sys_sendmsg+0xee/0x170 [ 2563.768139][ T74] __sys_sendmsg+0xcd/0x170 [ 2563.768139][ T74] do_syscall_64+0xc6/0x1e0 [ 2563.768139][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2563.768139][ T74] [ 2563.771110][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2563.771110][ T74] netdev_get_by_index+0x5e/0x80 [ 2563.771110][ T74] fib6_nh_init+0x3d8/0x1580 [ 2563.771110][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2563.771110][ T74] ip6_route_add+0x1c/0x140 [ 2563.771110][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2563.771110][ T74] addrconf_add_dev+0xe2/0x170 [ 2563.771110][ T74] inet6_addr_add+0x12f/0xa40 [ 2563.771110][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2563.771110][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2563.771110][ T74] netlink_rcv_skb+0x130/0x360 [ 2563.771110][ T74] netlink_unicast+0x449/0x710 [ 2563.771110][ T74] netlink_sendmsg+0x723/0xbe0 [ 2563.771110][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2563.771110][ T74] ___sys_sendmsg+0xee/0x170 [ 2563.771110][ T74] __sys_sendmsg+0xcd/0x170 [ 2563.771110][ T74] do_syscall_64+0xc6/0x1e0 [ 2563.771110][ T74] [ 2563.774058][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2563.774058][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2563.774058][ T74] ipv6_find_idev+0x102/0x170 [ 2563.774058][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2563.774058][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2563.774058][ T74] netlink_rcv_skb+0x130/0x360 [ 2563.774058][ T74] netlink_unicast+0x449/0x710 [ 2563.774058][ T74] netlink_sendmsg+0x723/0xbe0 [ 2563.774058][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2563.774058][ T74] ___sys_sendmsg+0xee/0x170 [ 2563.774058][ T74] __sys_sendmsg+0xcd/0x170 [ 2563.774058][ T74] do_syscall_64+0xc6/0x1e0 [ 2563.774058][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2563.774058][ T74] [ 2563.776404][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2563.776404][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2563.776404][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2563.776404][ T74] ipv6_find_idev+0x102/0x170 [ 2563.776404][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2563.776404][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2563.776404][ T74] netlink_rcv_skb+0x130/0x360 [ 2563.776404][ T74] netlink_unicast+0x449/0x710 [ 2563.776404][ T74] netlink_sendmsg+0x723/0xbe0 [ 2563.776404][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2563.776404][ T74] ___sys_sendmsg+0xee/0x170 [ 2563.776404][ T74] __sys_sendmsg+0xcd/0x170 [ 2563.776404][ T74] do_syscall_64+0xc6/0x1e0 [ 2563.776404][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2563.776404][ T74] [ 2563.778800][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2563.779194][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2563.779194][ T74] dst_init+0x84/0x4a0 [ 2563.779194][ T74] dst_alloc+0x97/0x150 [ 2563.779194][ T74] ip6_dst_alloc+0x23/0x90 [ 2563.779194][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2563.779194][ T74] ip6_pol_route+0x56f/0x840 [ 2563.779194][ T74] fib6_rule_lookup+0x456/0x630 [ 2563.779194][ T74] ip6_route_input+0x59c/0xa50 [ 2563.779194][ T74] ipv6_rcv+0x397/0x810 [ 2563.779194][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2563.779194][ T74] process_backlog+0x101/0x620 [ 2563.779194][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2563.779194][ T74] net_rx_action+0x495/0xbe0 [ 2563.779194][ T74] __do_softirq+0x1b5/0x7f6 [ 2563.779194][ T74] [ 2563.781559][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2563.781559][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2563.781559][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2563.781559][ T74] fib6_nh_init+0xa22/0x1580 [ 2563.781559][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2563.781559][ T74] ip6_route_add+0x1c/0x140 [ 2563.781559][ T74] inet6_rtm_newroute+0x104/0x110 [ 2563.781559][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2563.781559][ T74] netlink_rcv_skb+0x130/0x360 [ 2563.781559][ T74] netlink_unicast+0x449/0x710 [ 2563.781559][ T74] netlink_sendmsg+0x723/0xbe0 [ 2563.781559][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2563.781559][ T74] ___sys_sendmsg+0xee/0x170 [ 2563.781559][ T74] __sys_sendmsg+0xcd/0x170 [ 2563.781559][ T74] do_syscall_64+0xc6/0x1e0 [ 2563.781559][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2563.781559][ T74] [ 2563.783861][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2563.783861][ T74] netdev_get_by_index+0x5e/0x80 [ 2563.783861][ T74] fib6_nh_init+0x3d8/0x1580 [ 2563.783861][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2563.783861][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2563.783861][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2563.783861][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2563.783861][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2563.783861][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2563.783861][ T74] addrconf_dad_begin+0x310/0x670 [ 2563.783861][ T74] addrconf_dad_work+0x10b/0xab0 [ 2563.783861][ T74] process_one_work+0x84d/0x18a0 [ 2563.783861][ T74] worker_thread+0x587/0xd30 [ 2563.783861][ T74] kthread+0x28a/0x350 [ 2563.783861][ T74] ret_from_fork+0x31/0x70 [ 2563.783861][ T74] ret_from_fork_asm+0x1a/0x30 [ 2563.783861][ T74] [ 2563.786312][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2563.786312][ T74] netdev_get_by_index+0x5e/0x80 [ 2563.786312][ T74] fib6_nh_init+0x3d8/0x1580 [ 2563.786312][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2563.786312][ T74] ip6_route_add+0x1c/0x140 [ 2563.786312][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2563.786312][ T74] inet6_addr_add+0x4f8/0xa40 [ 2563.786312][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2563.786312][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2563.786312][ T74] netlink_rcv_skb+0x130/0x360 [ 2563.786312][ T74] netlink_unicast+0x449/0x710 [ 2563.786312][ T74] netlink_sendmsg+0x723/0xbe0 [ 2563.786312][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2563.786312][ T74] ___sys_sendmsg+0xee/0x170 [ 2563.786312][ T74] __sys_sendmsg+0xcd/0x170 [ 2563.786312][ T74] do_syscall_64+0xc6/0x1e0 [ 2563.786312][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2563.786312][ T74] [ 2563.789029][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2563.789029][ T74] netdev_get_by_index+0x5e/0x80 [ 2563.789029][ T74] fib6_nh_init+0x3d8/0x1580 [ 2563.789029][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2563.789029][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2563.789029][ T74] ipv6_add_addr+0x411/0x2000 [ 2563.789029][ T74] inet6_addr_add+0x30e/0xa40 [ 2563.789029][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2563.789029][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2563.789029][ T74] netlink_rcv_skb+0x130/0x360 [ 2563.789029][ T74] netlink_unicast+0x449/0x710 [ 2563.789029][ T74] netlink_sendmsg+0x723/0xbe0 [ 2563.789029][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2563.789029][ T74] ___sys_sendmsg+0xee/0x170 [ 2563.789029][ T74] __sys_sendmsg+0xcd/0x170 [ 2563.789029][ T74] do_syscall_64+0xc6/0x1e0 [ 2563.789029][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2563.789029][ T74] [ 2563.791593][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2563.791593][ T74] netdev_get_by_index+0x5e/0x80 [ 2563.791593][ T74] fib6_nh_init+0x3d8/0x1580 [ 2563.791593][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2563.791593][ T74] ip6_route_add+0x1c/0x140 [ 2563.791593][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2563.791593][ T74] addrconf_add_dev+0xe2/0x170 [ 2563.791593][ T74] inet6_addr_add+0x12f/0xa40 [ 2563.791593][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2563.791593][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2563.791593][ T74] netlink_rcv_skb+0x130/0x360 [ 2563.791593][ T74] netlink_unicast+0x449/0x710 [ 2563.791593][ T74] netlink_sendmsg+0x723/0xbe0 [ 2563.791593][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2563.791593][ T74] ___sys_sendmsg+0xee/0x170 [ 2563.791593][ T74] __sys_sendmsg+0xcd/0x170 [ 2563.791593][ T74] do_syscall_64+0xc6/0x1e0 [ 2563.791593][ T74] [ 2563.794366][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2563.794366][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2563.794366][ T74] ipv6_find_idev+0x102/0x170 [ 2563.794366][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2563.794366][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2563.794366][ T74] netlink_rcv_skb+0x130/0x360 [ 2563.794366][ T74] netlink_unicast+0x449/0x710 [ 2563.794366][ T74] netlink_sendmsg+0x723/0xbe0 [ 2563.794366][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2563.794366][ T74] ___sys_sendmsg+0xee/0x170 [ 2563.794366][ T74] __sys_sendmsg+0xcd/0x170 [ 2563.794366][ T74] do_syscall_64+0xc6/0x1e0 [ 2563.794366][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2563.794366][ T74] [ 2563.796532][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2563.796532][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2563.796532][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2563.796532][ T74] ipv6_find_idev+0x102/0x170 [ 2563.796532][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2563.796532][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2563.796532][ T74] netlink_rcv_skb+0x130/0x360 [ 2563.796532][ T74] netlink_unicast+0x449/0x710 [ 2563.796532][ T74] netlink_sendmsg+0x723/0xbe0 [ 2563.796532][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2563.796532][ T74] ___sys_sendmsg+0xee/0x170 [ 2563.796532][ T74] __sys_sendmsg+0xcd/0x170 [ 2563.796532][ T74] do_syscall_64+0xc6/0x1e0 [ 2563.796532][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2563.796532][ T74] [ 2563.798861][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2563.799143][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2563.799143][ T74] netdev_get_by_index+0x5e/0x80 [ 2563.799143][ T74] fib6_nh_init+0x3d8/0x1580 [ 2563.799143][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2563.799143][ T74] ip6_route_add+0x1c/0x140 [ 2563.799143][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2563.799143][ T74] inet6_addr_add+0x4f8/0xa40 [ 2563.799143][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2563.799143][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2563.799143][ T74] netlink_rcv_skb+0x130/0x360 [ 2563.799143][ T74] netlink_unicast+0x449/0x710 [ 2563.799143][ T74] netlink_sendmsg+0x723/0xbe0 [ 2563.799143][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2563.799143][ T74] ___sys_sendmsg+0xee/0x170 [ 2563.799143][ T74] __sys_sendmsg+0xcd/0x170 [ 2563.799143][ T74] do_syscall_64+0xc6/0x1e0 [ 2563.799143][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2563.799143][ T74] [ 2563.801707][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2563.801707][ T74] netdev_get_by_index+0x5e/0x80 [ 2563.801707][ T74] fib6_nh_init+0x3d8/0x1580 [ 2563.801707][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2563.801707][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2563.801707][ T74] ipv6_add_addr+0x411/0x2000 [ 2563.801707][ T74] inet6_addr_add+0x30e/0xa40 [ 2563.801707][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2563.801707][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2563.801707][ T74] netlink_rcv_skb+0x130/0x360 [ 2563.801707][ T74] netlink_unicast+0x449/0x710 [ 2563.801707][ T74] netlink_sendmsg+0x723/0xbe0 [ 2563.801707][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2563.801707][ T74] ___sys_sendmsg+0xee/0x170 [ 2563.801707][ T74] __sys_sendmsg+0xcd/0x170 [ 2563.801707][ T74] do_syscall_64+0xc6/0x1e0 [ 2563.801707][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2563.801707][ T74] [ 2563.804093][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2563.804093][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2563.804093][ T74] ipv6_find_idev+0x102/0x170 [ 2563.804093][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2563.804093][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2563.804093][ T74] netlink_rcv_skb+0x130/0x360 [ 2563.804093][ T74] netlink_unicast+0x449/0x710 [ 2563.804093][ T74] netlink_sendmsg+0x723/0xbe0 [ 2563.804093][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2563.804093][ T74] ___sys_sendmsg+0xee/0x170 [ 2563.804093][ T74] __sys_sendmsg+0xcd/0x170 [ 2563.804093][ T74] do_syscall_64+0xc6/0x1e0 [ 2563.804093][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2563.804093][ T74] [ 2563.806407][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2563.806407][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2563.806407][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2563.806407][ T74] ipv6_find_idev+0x102/0x170 [ 2563.806407][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2563.806407][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2563.806407][ T74] netlink_rcv_skb+0x130/0x360 [ 2563.806407][ T74] netlink_unicast+0x449/0x710 [ 2563.806407][ T74] netlink_sendmsg+0x723/0xbe0 [ 2563.806407][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2563.806407][ T74] ___sys_sendmsg+0xee/0x170 [ 2563.806407][ T74] __sys_sendmsg+0xcd/0x170 [ 2563.806407][ T74] do_syscall_64+0xc6/0x1e0 [ 2563.806407][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2563.806407][ T74] [ 2574.055941][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2574.056470][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2574.056470][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2574.056470][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2574.056470][ T74] fib6_nh_init+0xa22/0x1580 [ 2574.056470][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2574.056470][ T74] ip6_route_add+0x1c/0x140 [ 2574.056470][ T74] inet6_rtm_newroute+0x104/0x110 [ 2574.056470][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2574.056470][ T74] netlink_rcv_skb+0x130/0x360 [ 2574.056470][ T74] netlink_unicast+0x449/0x710 [ 2574.056470][ T74] netlink_sendmsg+0x723/0xbe0 [ 2574.056470][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2574.056470][ T74] ___sys_sendmsg+0xee/0x170 [ 2574.056470][ T74] __sys_sendmsg+0xcd/0x170 [ 2574.056470][ T74] do_syscall_64+0xc6/0x1e0 [ 2574.056470][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2574.056470][ T74] [ 2574.058926][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2574.058926][ T74] netdev_get_by_index+0x5e/0x80 [ 2574.058926][ T74] fib6_nh_init+0x3d8/0x1580 [ 2574.058926][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2574.058926][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2574.058926][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2574.058926][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2574.058926][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2574.058926][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2574.058926][ T74] addrconf_dad_begin+0x310/0x670 [ 2574.058926][ T74] addrconf_dad_work+0x10b/0xab0 [ 2574.058926][ T74] process_one_work+0x84d/0x18a0 [ 2574.058926][ T74] worker_thread+0x587/0xd30 [ 2574.058926][ T74] kthread+0x28a/0x350 [ 2574.058926][ T74] ret_from_fork+0x31/0x70 [ 2574.058926][ T74] ret_from_fork_asm+0x1a/0x30 [ 2574.058926][ T74] [ 2574.061413][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2574.061413][ T74] netdev_get_by_index+0x5e/0x80 [ 2574.061413][ T74] fib6_nh_init+0x3d8/0x1580 [ 2574.061413][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2574.061413][ T74] ip6_route_add+0x1c/0x140 [ 2574.061413][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2574.061413][ T74] inet6_addr_add+0x4f8/0xa40 [ 2574.061413][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2574.061413][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2574.061413][ T74] netlink_rcv_skb+0x130/0x360 [ 2574.061413][ T74] netlink_unicast+0x449/0x710 [ 2574.061413][ T74] netlink_sendmsg+0x723/0xbe0 [ 2574.061413][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2574.061413][ T74] ___sys_sendmsg+0xee/0x170 [ 2574.061413][ T74] __sys_sendmsg+0xcd/0x170 [ 2574.061413][ T74] do_syscall_64+0xc6/0x1e0 [ 2574.061413][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2574.061413][ T74] [ 2574.064018][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2574.064018][ T74] netdev_get_by_index+0x5e/0x80 [ 2574.064018][ T74] fib6_nh_init+0x3d8/0x1580 [ 2574.064018][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2574.064018][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2574.064018][ T74] ipv6_add_addr+0x411/0x2000 [ 2574.064018][ T74] inet6_addr_add+0x30e/0xa40 [ 2574.064018][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2574.064018][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2574.064018][ T74] netlink_rcv_skb+0x130/0x360 [ 2574.064018][ T74] netlink_unicast+0x449/0x710 [ 2574.064018][ T74] netlink_sendmsg+0x723/0xbe0 [ 2574.064018][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2574.064018][ T74] ___sys_sendmsg+0xee/0x170 [ 2574.064018][ T74] __sys_sendmsg+0xcd/0x170 [ 2574.064018][ T74] do_syscall_64+0xc6/0x1e0 [ 2574.064018][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2574.064018][ T74] [ 2574.066586][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2574.066586][ T74] netdev_get_by_index+0x5e/0x80 [ 2574.066586][ T74] fib6_nh_init+0x3d8/0x1580 [ 2574.066586][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2574.066586][ T74] ip6_route_add+0x1c/0x140 [ 2574.066586][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2574.066586][ T74] addrconf_add_dev+0xe2/0x170 [ 2574.066586][ T74] inet6_addr_add+0x12f/0xa40 [ 2574.066586][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2574.066586][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2574.066586][ T74] netlink_rcv_skb+0x130/0x360 [ 2574.066586][ T74] netlink_unicast+0x449/0x710 [ 2574.066586][ T74] netlink_sendmsg+0x723/0xbe0 [ 2574.066586][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2574.066586][ T74] ___sys_sendmsg+0xee/0x170 [ 2574.066586][ T74] __sys_sendmsg+0xcd/0x170 [ 2574.066586][ T74] do_syscall_64+0xc6/0x1e0 [ 2574.066586][ T74] [ 2574.069111][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2574.069111][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2574.069111][ T74] ipv6_find_idev+0x102/0x170 [ 2574.069111][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2574.069111][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2574.069111][ T74] netlink_rcv_skb+0x130/0x360 [ 2574.069111][ T74] netlink_unicast+0x449/0x710 [ 2574.069111][ T74] netlink_sendmsg+0x723/0xbe0 [ 2574.069111][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2574.069111][ T74] ___sys_sendmsg+0xee/0x170 [ 2574.069111][ T74] __sys_sendmsg+0xcd/0x170 [ 2574.069111][ T74] do_syscall_64+0xc6/0x1e0 [ 2574.069111][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2574.069111][ T74] [ 2574.070955][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2574.070955][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2574.070955][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2574.070955][ T74] ipv6_find_idev+0x102/0x170 [ 2574.070955][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2574.070955][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2574.070955][ T74] netlink_rcv_skb+0x130/0x360 [ 2574.070955][ T74] netlink_unicast+0x449/0x710 [ 2574.070955][ T74] netlink_sendmsg+0x723/0xbe0 [ 2574.070955][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2574.070955][ T74] ___sys_sendmsg+0xee/0x170 [ 2574.070955][ T74] __sys_sendmsg+0xcd/0x170 [ 2574.070955][ T74] do_syscall_64+0xc6/0x1e0 [ 2574.070955][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2574.070955][ T74] [ 2574.072663][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2574.072952][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2574.072952][ T74] dst_init+0x84/0x4a0 [ 2574.072952][ T74] dst_alloc+0x97/0x150 [ 2574.072952][ T74] ip6_dst_alloc+0x23/0x90 [ 2574.072952][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2574.072952][ T74] ip6_pol_route+0x56f/0x840 [ 2574.072952][ T74] fib6_rule_lookup+0x456/0x630 [ 2574.072952][ T74] ip6_route_input+0x59c/0xa50 [ 2574.072952][ T74] ipv6_rcv+0x397/0x810 [ 2574.072952][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2574.072952][ T74] process_backlog+0x101/0x620 [ 2574.072952][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2574.072952][ T74] net_rx_action+0x495/0xbe0 [ 2574.072952][ T74] __do_softirq+0x1b5/0x7f6 [ 2574.072952][ T74] [ 2574.074586][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2574.074586][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2574.074586][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2574.074586][ T74] fib6_nh_init+0xa22/0x1580 [ 2574.074586][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2574.074586][ T74] ip6_route_add+0x1c/0x140 [ 2574.074586][ T74] inet6_rtm_newroute+0x104/0x110 [ 2574.074586][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2574.074586][ T74] netlink_rcv_skb+0x130/0x360 [ 2574.074586][ T74] netlink_unicast+0x449/0x710 [ 2574.074586][ T74] netlink_sendmsg+0x723/0xbe0 [ 2574.074586][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2574.074586][ T74] ___sys_sendmsg+0xee/0x170 [ 2574.074586][ T74] __sys_sendmsg+0xcd/0x170 [ 2574.074586][ T74] do_syscall_64+0xc6/0x1e0 [ 2574.074586][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2574.074586][ T74] [ 2574.076787][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2574.076787][ T74] netdev_get_by_index+0x5e/0x80 [ 2574.076787][ T74] fib6_nh_init+0x3d8/0x1580 [ 2574.076787][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2574.076787][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2574.076787][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2574.076787][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2574.076787][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2574.076787][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2574.076787][ T74] addrconf_dad_begin+0x310/0x670 [ 2574.076787][ T74] addrconf_dad_work+0x10b/0xab0 [ 2574.076787][ T74] process_one_work+0x84d/0x18a0 [ 2574.076787][ T74] worker_thread+0x587/0xd30 [ 2574.076787][ T74] kthread+0x28a/0x350 [ 2574.076787][ T74] ret_from_fork+0x31/0x70 [ 2574.076787][ T74] ret_from_fork_asm+0x1a/0x30 [ 2574.076787][ T74] [ 2574.079213][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2574.079213][ T74] netdev_get_by_index+0x5e/0x80 [ 2574.079213][ T74] fib6_nh_init+0x3d8/0x1580 [ 2574.079213][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2574.079213][ T74] ip6_route_add+0x1c/0x140 [ 2574.079213][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2574.079213][ T74] inet6_addr_add+0x4f8/0xa40 [ 2574.079213][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2574.079213][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2574.079213][ T74] netlink_rcv_skb+0x130/0x360 [ 2574.079213][ T74] netlink_unicast+0x449/0x710 [ 2574.079213][ T74] netlink_sendmsg+0x723/0xbe0 [ 2574.079213][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2574.079213][ T74] ___sys_sendmsg+0xee/0x170 [ 2574.079213][ T74] __sys_sendmsg+0xcd/0x170 [ 2574.079213][ T74] do_syscall_64+0xc6/0x1e0 [ 2574.079213][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2574.079213][ T74] [ 2574.081723][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2574.081723][ T74] netdev_get_by_index+0x5e/0x80 [ 2574.081723][ T74] fib6_nh_init+0x3d8/0x1580 [ 2574.081723][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2574.081723][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2574.081723][ T74] ipv6_add_addr+0x411/0x2000 [ 2574.081723][ T74] inet6_addr_add+0x30e/0xa40 [ 2574.081723][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2574.081723][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2574.081723][ T74] netlink_rcv_skb+0x130/0x360 [ 2574.081723][ T74] netlink_unicast+0x449/0x710 [ 2574.081723][ T74] netlink_sendmsg+0x723/0xbe0 [ 2574.081723][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2574.081723][ T74] ___sys_sendmsg+0xee/0x170 [ 2574.081723][ T74] __sys_sendmsg+0xcd/0x170 [ 2574.081723][ T74] do_syscall_64+0xc6/0x1e0 [ 2574.081723][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2574.081723][ T74] [ 2574.084256][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2574.084256][ T74] netdev_get_by_index+0x5e/0x80 [ 2574.084256][ T74] fib6_nh_init+0x3d8/0x1580 [ 2574.084256][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2574.084256][ T74] ip6_route_add+0x1c/0x140 [ 2574.084256][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2574.084256][ T74] addrconf_add_dev+0xe2/0x170 [ 2574.084256][ T74] inet6_addr_add+0x12f/0xa40 [ 2574.084256][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2574.084256][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2574.084256][ T74] netlink_rcv_skb+0x130/0x360 [ 2574.084256][ T74] netlink_unicast+0x449/0x710 [ 2574.084256][ T74] netlink_sendmsg+0x723/0xbe0 [ 2574.084256][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2574.084256][ T74] ___sys_sendmsg+0xee/0x170 [ 2574.084256][ T74] __sys_sendmsg+0xcd/0x170 [ 2574.084256][ T74] do_syscall_64+0xc6/0x1e0 [ 2574.084256][ T74] [ 2574.086713][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2574.086713][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2574.086713][ T74] ipv6_find_idev+0x102/0x170 [ 2574.086713][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2574.086713][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2574.086713][ T74] netlink_rcv_skb+0x130/0x360 [ 2574.086713][ T74] netlink_unicast+0x449/0x710 [ 2574.086713][ T74] netlink_sendmsg+0x723/0xbe0 [ 2574.086713][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2574.086713][ T74] ___sys_sendmsg+0xee/0x170 [ 2574.086713][ T74] __sys_sendmsg+0xcd/0x170 [ 2574.086713][ T74] do_syscall_64+0xc6/0x1e0 [ 2574.086713][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2574.086713][ T74] [ 2574.088822][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2574.088822][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2574.088822][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2574.088822][ T74] ipv6_find_idev+0x102/0x170 [ 2574.088822][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2574.088822][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2574.088822][ T74] netlink_rcv_skb+0x130/0x360 [ 2574.088822][ T74] netlink_unicast+0x449/0x710 [ 2574.088822][ T74] netlink_sendmsg+0x723/0xbe0 [ 2574.088822][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2574.088822][ T74] ___sys_sendmsg+0xee/0x170 [ 2574.088822][ T74] __sys_sendmsg+0xcd/0x170 [ 2574.088822][ T74] do_syscall_64+0xc6/0x1e0 [ 2574.088822][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2574.088822][ T74] [ 2574.091077][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2574.091369][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2574.091369][ T74] netdev_get_by_index+0x5e/0x80 [ 2574.091369][ T74] fib6_nh_init+0x3d8/0x1580 [ 2574.091369][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2574.091369][ T74] ip6_route_add+0x1c/0x140 [ 2574.091369][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2574.091369][ T74] inet6_addr_add+0x4f8/0xa40 [ 2574.091369][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2574.091369][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2574.091369][ T74] netlink_rcv_skb+0x130/0x360 [ 2574.091369][ T74] netlink_unicast+0x449/0x710 [ 2574.091369][ T74] netlink_sendmsg+0x723/0xbe0 [ 2574.091369][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2574.091369][ T74] ___sys_sendmsg+0xee/0x170 [ 2574.091369][ T74] __sys_sendmsg+0xcd/0x170 [ 2574.091369][ T74] do_syscall_64+0xc6/0x1e0 [ 2574.091369][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2574.091369][ T74] [ 2574.093926][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2574.093926][ T74] netdev_get_by_index+0x5e/0x80 [ 2574.093926][ T74] fib6_nh_init+0x3d8/0x1580 [ 2574.093926][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2574.093926][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2574.093926][ T74] ipv6_add_addr+0x411/0x2000 [ 2574.093926][ T74] inet6_addr_add+0x30e/0xa40 [ 2574.093926][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2574.093926][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2574.093926][ T74] netlink_rcv_skb+0x130/0x360 [ 2574.093926][ T74] netlink_unicast+0x449/0x710 [ 2574.093926][ T74] netlink_sendmsg+0x723/0xbe0 [ 2574.093926][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2574.093926][ T74] ___sys_sendmsg+0xee/0x170 [ 2574.093926][ T74] __sys_sendmsg+0xcd/0x170 [ 2574.093926][ T74] do_syscall_64+0xc6/0x1e0 [ 2574.093926][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2574.093926][ T74] [ 2574.096486][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2574.096486][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2574.096486][ T74] ipv6_find_idev+0x102/0x170 [ 2574.096486][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2574.096486][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2574.096486][ T74] netlink_rcv_skb+0x130/0x360 [ 2574.096486][ T74] netlink_unicast+0x449/0x710 [ 2574.096486][ T74] netlink_sendmsg+0x723/0xbe0 [ 2574.096486][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2574.096486][ T74] ___sys_sendmsg+0xee/0x170 [ 2574.096486][ T74] __sys_sendmsg+0xcd/0x170 [ 2574.096486][ T74] do_syscall_64+0xc6/0x1e0 [ 2574.096486][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2574.096486][ T74] [ 2574.098495][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2574.098495][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2574.098495][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2574.098495][ T74] ipv6_find_idev+0x102/0x170 [ 2574.098495][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2574.098495][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2574.098495][ T74] netlink_rcv_skb+0x130/0x360 [ 2574.098495][ T74] netlink_unicast+0x449/0x710 [ 2574.098495][ T74] netlink_sendmsg+0x723/0xbe0 [ 2574.098495][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2574.098495][ T74] ___sys_sendmsg+0xee/0x170 [ 2574.098495][ T74] __sys_sendmsg+0xcd/0x170 [ 2574.098495][ T74] do_syscall_64+0xc6/0x1e0 [ 2574.098495][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2574.098495][ T74] [ 2581.799980][ T42] INFO: task modprobe:7619 blocked for more than 983 seconds. [ 2581.800322][ T42] Not tainted 6.8.0-virtme #1 [ 2581.800476][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 2581.800730][ T42] task:modprobe state:D stack:25856 pid:7619 tgid:7619 ppid:62 flags:0x00004002 [ 2581.801059][ T42] Call Trace: [ 2581.801178][ T42] [ 2581.801264][ T42] __schedule+0x705/0x1ac0 [ 2581.801434][ T42] ? __pfx___schedule+0x10/0x10 [ 2581.801585][ T42] ? schedule+0x1a5/0x210 [ 2581.801703][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 2581.801875][ T42] ? mark_lock+0x38/0x3e0 [ 2581.801993][ T42] ? do_raw_spin_lock+0x131/0x270 [ 2581.802149][ T42] ? schedule+0x1a5/0x210 [ 2581.802270][ T42] schedule+0xdf/0x210 [ 2581.802390][ T42] schedule_preempt_disabled+0x15/0x30 [ 2581.802541][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 2581.802698][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 2581.802900][ T42] ? __pfx_console_unlock+0x10/0x10 [ 2581.803058][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 2581.803217][ T42] ? lock_acquire+0x1c1/0x220 [ 2581.803372][ T42] ? register_pernet_subsys+0x1a/0x50 [ 2581.803541][ T42] down_write+0x1c9/0x200 [ 2581.803660][ T42] ? __pfx_down_write+0x10/0x10 [ 2581.803813][ T42] ? __pfx__printk+0x10/0x10 [ 2581.803977][ T42] ? __pfx___lock_release+0x10/0x10 [ 2581.804136][ T42] register_pernet_subsys+0x1a/0x50 [ 2581.804292][ T42] tcf_register_action+0xa3/0x600 [ 2581.804450][ T42] ? __pfx_gact_init_module+0x10/0x10 [act_gact] [ 2581.804646][ T42] do_one_initcall+0xc8/0x3f0 [ 2581.804802][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 2581.804969][ T42] ? __create_object+0x5e/0xb0 [ 2581.805128][ T42] ? kasan_unpoison+0x27/0x60 [ 2581.805285][ T42] do_init_module+0x233/0x740 [ 2581.805451][ T42] load_module+0x16b5/0x2350 [ 2581.805618][ T42] ? __pfx_load_module+0x10/0x10 [ 2581.805773][ T42] ? kernel_read_file+0x3d2/0x520 [ 2581.805941][ T42] ? kernel_read_file+0x300/0x520 [ 2581.806098][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 2581.806260][ T42] ? init_module_from_file+0xd2/0x130 [ 2581.806423][ T42] init_module_from_file+0xd2/0x130 [ 2581.806587][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 2581.806779][ T42] ? __lock_release+0x103/0x460 [ 2581.806942][ T42] ? idempotent_init_module+0x32a/0x620 [ 2581.807110][ T42] ? idempotent_init_module+0x32a/0x620 [ 2581.807263][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 2581.807423][ T42] idempotent_init_module+0x342/0x620 [ 2581.807580][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 2581.807787][ T42] __x64_sys_finit_module+0xbe/0x130 [ 2581.807955][ T42] do_syscall_64+0xc6/0x1e0 [ 2581.808113][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2581.808308][ T42] RIP: 0033:0x7f1db4f62e5d [ 2581.808467][ T42] RSP: 002b:00007ffe8261b448 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 2581.808695][ T42] RAX: ffffffffffffffda RBX: 0000555e1791ec80 RCX: 00007f1db4f62e5d [ 2581.808930][ T42] RDX: 0000000000000000 RSI: 0000555dd93dca2a RDI: 0000000000000000 [ 2581.809156][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007ffe8261b580 [ 2581.809386][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555dd93dca2a [ 2581.809610][ T42] R13: 0000555e1791eac0 R14: 0000555e1791f0b0 R15: 0000555e1791ecf1 [ 2581.809861][ T42] [ 2581.809978][ T42] [ 2581.809978][ T42] Showing all locks held in the system: [ 2581.810196][ T42] 1 lock held by khungtaskd/42: [ 2581.810347][ T42] #0: ffffffff9a7591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 2581.810621][ T42] 2 locks held by kworker/u18:1/62: [ 2581.810768][ T42] #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 2581.811083][ T42] #1: ffffc9000043fda0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 2581.811429][ T42] 3 locks held by kworker/u16:1/74: [ 2581.811576][ T42] #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 2581.811890][ T42] #1: ffffc900004ffda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 2581.812159][ T42] #2: ffffffff9af6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60 [ 2581.812432][ T42] 1 lock held by modprobe/7619: [ 2581.812579][ T42] #0: ffffffff9af6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 2581.812894][ T42] [ 2581.812971][ T42] ============================================= [ 2581.812971][ T42] [ 2584.351908][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2584.352322][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2584.352322][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2584.352322][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2584.352322][ T74] fib6_nh_init+0xa22/0x1580 [ 2584.352322][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2584.352322][ T74] ip6_route_add+0x1c/0x140 [ 2584.352322][ T74] inet6_rtm_newroute+0x104/0x110 [ 2584.352322][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2584.352322][ T74] netlink_rcv_skb+0x130/0x360 [ 2584.352322][ T74] netlink_unicast+0x449/0x710 [ 2584.352322][ T74] netlink_sendmsg+0x723/0xbe0 [ 2584.352322][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2584.352322][ T74] ___sys_sendmsg+0xee/0x170 [ 2584.352322][ T74] __sys_sendmsg+0xcd/0x170 [ 2584.352322][ T74] do_syscall_64+0xc6/0x1e0 [ 2584.352322][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2584.352322][ T74] [ 2584.354632][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2584.354632][ T74] netdev_get_by_index+0x5e/0x80 [ 2584.354632][ T74] fib6_nh_init+0x3d8/0x1580 [ 2584.354632][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2584.354632][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2584.354632][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2584.354632][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2584.354632][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2584.354632][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2584.354632][ T74] addrconf_dad_begin+0x310/0x670 [ 2584.354632][ T74] addrconf_dad_work+0x10b/0xab0 [ 2584.354632][ T74] process_one_work+0x84d/0x18a0 [ 2584.354632][ T74] worker_thread+0x587/0xd30 [ 2584.354632][ T74] kthread+0x28a/0x350 [ 2584.354632][ T74] ret_from_fork+0x31/0x70 [ 2584.354632][ T74] ret_from_fork_asm+0x1a/0x30 [ 2584.354632][ T74] [ 2584.356978][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2584.356978][ T74] netdev_get_by_index+0x5e/0x80 [ 2584.356978][ T74] fib6_nh_init+0x3d8/0x1580 [ 2584.356978][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2584.356978][ T74] ip6_route_add+0x1c/0x140 [ 2584.356978][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2584.356978][ T74] inet6_addr_add+0x4f8/0xa40 [ 2584.356978][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2584.356978][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2584.356978][ T74] netlink_rcv_skb+0x130/0x360 [ 2584.356978][ T74] netlink_unicast+0x449/0x710 [ 2584.356978][ T74] netlink_sendmsg+0x723/0xbe0 [ 2584.356978][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2584.356978][ T74] ___sys_sendmsg+0xee/0x170 [ 2584.356978][ T74] __sys_sendmsg+0xcd/0x170 [ 2584.356978][ T74] do_syscall_64+0xc6/0x1e0 [ 2584.356978][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2584.356978][ T74] [ 2584.359444][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2584.359444][ T74] netdev_get_by_index+0x5e/0x80 [ 2584.359444][ T74] fib6_nh_init+0x3d8/0x1580 [ 2584.359444][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2584.359444][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2584.359444][ T74] ipv6_add_addr+0x411/0x2000 [ 2584.359444][ T74] inet6_addr_add+0x30e/0xa40 [ 2584.359444][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2584.359444][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2584.359444][ T74] netlink_rcv_skb+0x130/0x360 [ 2584.359444][ T74] netlink_unicast+0x449/0x710 [ 2584.359444][ T74] netlink_sendmsg+0x723/0xbe0 [ 2584.359444][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2584.359444][ T74] ___sys_sendmsg+0xee/0x170 [ 2584.359444][ T74] __sys_sendmsg+0xcd/0x170 [ 2584.359444][ T74] do_syscall_64+0xc6/0x1e0 [ 2584.359444][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2584.359444][ T74] [ 2584.361901][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2584.361901][ T74] netdev_get_by_index+0x5e/0x80 [ 2584.361901][ T74] fib6_nh_init+0x3d8/0x1580 [ 2584.361901][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2584.361901][ T74] ip6_route_add+0x1c/0x140 [ 2584.361901][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2584.361901][ T74] addrconf_add_dev+0xe2/0x170 [ 2584.361901][ T74] inet6_addr_add+0x12f/0xa40 [ 2584.361901][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2584.361901][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2584.361901][ T74] netlink_rcv_skb+0x130/0x360 [ 2584.361901][ T74] netlink_unicast+0x449/0x710 [ 2584.361901][ T74] netlink_sendmsg+0x723/0xbe0 [ 2584.361901][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2584.361901][ T74] ___sys_sendmsg+0xee/0x170 [ 2584.361901][ T74] __sys_sendmsg+0xcd/0x170 [ 2584.361901][ T74] do_syscall_64+0xc6/0x1e0 [ 2584.361901][ T74] [ 2584.364299][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2584.364299][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2584.364299][ T74] ipv6_find_idev+0x102/0x170 [ 2584.364299][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2584.364299][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2584.364299][ T74] netlink_rcv_skb+0x130/0x360 [ 2584.364299][ T74] netlink_unicast+0x449/0x710 [ 2584.364299][ T74] netlink_sendmsg+0x723/0xbe0 [ 2584.364299][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2584.364299][ T74] ___sys_sendmsg+0xee/0x170 [ 2584.364299][ T74] __sys_sendmsg+0xcd/0x170 [ 2584.364299][ T74] do_syscall_64+0xc6/0x1e0 [ 2584.364299][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2584.364299][ T74] [ 2584.366178][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2584.366178][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2584.366178][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2584.366178][ T74] ipv6_find_idev+0x102/0x170 [ 2584.366178][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2584.366178][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2584.366178][ T74] netlink_rcv_skb+0x130/0x360 [ 2584.366178][ T74] netlink_unicast+0x449/0x710 [ 2584.366178][ T74] netlink_sendmsg+0x723/0xbe0 [ 2584.366178][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2584.366178][ T74] ___sys_sendmsg+0xee/0x170 [ 2584.366178][ T74] __sys_sendmsg+0xcd/0x170 [ 2584.366178][ T74] do_syscall_64+0xc6/0x1e0 [ 2584.366178][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2584.366178][ T74] [ 2584.368259][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2584.368585][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2584.368585][ T74] dst_init+0x84/0x4a0 [ 2584.368585][ T74] dst_alloc+0x97/0x150 [ 2584.368585][ T74] ip6_dst_alloc+0x23/0x90 [ 2584.368585][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2584.368585][ T74] ip6_pol_route+0x56f/0x840 [ 2584.368585][ T74] fib6_rule_lookup+0x456/0x630 [ 2584.368585][ T74] ip6_route_input+0x59c/0xa50 [ 2584.368585][ T74] ipv6_rcv+0x397/0x810 [ 2584.368585][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2584.368585][ T74] process_backlog+0x101/0x620 [ 2584.368585][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2584.368585][ T74] net_rx_action+0x495/0xbe0 [ 2584.368585][ T74] __do_softirq+0x1b5/0x7f6 [ 2584.368585][ T74] [ 2584.370584][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2584.370584][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2584.370584][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2584.370584][ T74] fib6_nh_init+0xa22/0x1580 [ 2584.370584][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2584.370584][ T74] ip6_route_add+0x1c/0x140 [ 2584.370584][ T74] inet6_rtm_newroute+0x104/0x110 [ 2584.370584][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2584.370584][ T74] netlink_rcv_skb+0x130/0x360 [ 2584.370584][ T74] netlink_unicast+0x449/0x710 [ 2584.370584][ T74] netlink_sendmsg+0x723/0xbe0 [ 2584.370584][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2584.370584][ T74] ___sys_sendmsg+0xee/0x170 [ 2584.370584][ T74] __sys_sendmsg+0xcd/0x170 [ 2584.370584][ T74] do_syscall_64+0xc6/0x1e0 [ 2584.370584][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2584.370584][ T74] [ 2584.372888][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2584.372888][ T74] netdev_get_by_index+0x5e/0x80 [ 2584.372888][ T74] fib6_nh_init+0x3d8/0x1580 [ 2584.372888][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2584.372888][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2584.372888][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2584.372888][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2584.372888][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2584.372888][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2584.372888][ T74] addrconf_dad_begin+0x310/0x670 [ 2584.372888][ T74] addrconf_dad_work+0x10b/0xab0 [ 2584.372888][ T74] process_one_work+0x84d/0x18a0 [ 2584.372888][ T74] worker_thread+0x587/0xd30 [ 2584.372888][ T74] kthread+0x28a/0x350 [ 2584.372888][ T74] ret_from_fork+0x31/0x70 [ 2584.372888][ T74] ret_from_fork_asm+0x1a/0x30 [ 2584.372888][ T74] [ 2584.375221][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2584.375221][ T74] netdev_get_by_index+0x5e/0x80 [ 2584.375221][ T74] fib6_nh_init+0x3d8/0x1580 [ 2584.375221][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2584.375221][ T74] ip6_route_add+0x1c/0x140 [ 2584.375221][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2584.375221][ T74] inet6_addr_add+0x4f8/0xa40 [ 2584.375221][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2584.375221][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2584.375221][ T74] netlink_rcv_skb+0x130/0x360 [ 2584.375221][ T74] netlink_unicast+0x449/0x710 [ 2584.375221][ T74] netlink_sendmsg+0x723/0xbe0 [ 2584.375221][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2584.375221][ T74] ___sys_sendmsg+0xee/0x170 [ 2584.375221][ T74] __sys_sendmsg+0xcd/0x170 [ 2584.375221][ T74] do_syscall_64+0xc6/0x1e0 [ 2584.375221][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2584.375221][ T74] [ 2584.377675][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2584.377675][ T74] netdev_get_by_index+0x5e/0x80 [ 2584.377675][ T74] fib6_nh_init+0x3d8/0x1580 [ 2584.377675][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2584.377675][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2584.377675][ T74] ipv6_add_addr+0x411/0x2000 [ 2584.377675][ T74] inet6_addr_add+0x30e/0xa40 [ 2584.377675][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2584.377675][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2584.377675][ T74] netlink_rcv_skb+0x130/0x360 [ 2584.377675][ T74] netlink_unicast+0x449/0x710 [ 2584.377675][ T74] netlink_sendmsg+0x723/0xbe0 [ 2584.377675][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2584.377675][ T74] ___sys_sendmsg+0xee/0x170 [ 2584.377675][ T74] __sys_sendmsg+0xcd/0x170 [ 2584.377675][ T74] do_syscall_64+0xc6/0x1e0 [ 2584.377675][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2584.377675][ T74] [ 2584.380110][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2584.380110][ T74] netdev_get_by_index+0x5e/0x80 [ 2584.380110][ T74] fib6_nh_init+0x3d8/0x1580 [ 2584.380110][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2584.380110][ T74] ip6_route_add+0x1c/0x140 [ 2584.380110][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2584.380110][ T74] addrconf_add_dev+0xe2/0x170 [ 2584.380110][ T74] inet6_addr_add+0x12f/0xa40 [ 2584.380110][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2584.380110][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2584.380110][ T74] netlink_rcv_skb+0x130/0x360 [ 2584.380110][ T74] netlink_unicast+0x449/0x710 [ 2584.380110][ T74] netlink_sendmsg+0x723/0xbe0 [ 2584.380110][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2584.380110][ T74] ___sys_sendmsg+0xee/0x170 [ 2584.380110][ T74] __sys_sendmsg+0xcd/0x170 [ 2584.380110][ T74] do_syscall_64+0xc6/0x1e0 [ 2584.380110][ T74] [ 2584.382503][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2584.382503][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2584.382503][ T74] ipv6_find_idev+0x102/0x170 [ 2584.382503][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2584.382503][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2584.382503][ T74] netlink_rcv_skb+0x130/0x360 [ 2584.382503][ T74] netlink_unicast+0x449/0x710 [ 2584.382503][ T74] netlink_sendmsg+0x723/0xbe0 [ 2584.382503][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2584.382503][ T74] ___sys_sendmsg+0xee/0x170 [ 2584.382503][ T74] __sys_sendmsg+0xcd/0x170 [ 2584.382503][ T74] do_syscall_64+0xc6/0x1e0 [ 2584.382503][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2584.382503][ T74] [ 2584.384514][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2584.384514][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2584.384514][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2584.384514][ T74] ipv6_find_idev+0x102/0x170 [ 2584.384514][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2584.384514][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2584.384514][ T74] netlink_rcv_skb+0x130/0x360 [ 2584.384514][ T74] netlink_unicast+0x449/0x710 [ 2584.384514][ T74] netlink_sendmsg+0x723/0xbe0 [ 2584.384514][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2584.384514][ T74] ___sys_sendmsg+0xee/0x170 [ 2584.384514][ T74] __sys_sendmsg+0xcd/0x170 [ 2584.384514][ T74] do_syscall_64+0xc6/0x1e0 [ 2584.384514][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2584.384514][ T74] [ 2584.386821][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2584.387182][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2584.387182][ T74] netdev_get_by_index+0x5e/0x80 [ 2584.387182][ T74] fib6_nh_init+0x3d8/0x1580 [ 2584.387182][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2584.387182][ T74] ip6_route_add+0x1c/0x140 [ 2584.387182][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2584.387182][ T74] inet6_addr_add+0x4f8/0xa40 [ 2584.387182][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2584.387182][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2584.387182][ T74] netlink_rcv_skb+0x130/0x360 [ 2584.387182][ T74] netlink_unicast+0x449/0x710 [ 2584.387182][ T74] netlink_sendmsg+0x723/0xbe0 [ 2584.387182][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2584.387182][ T74] ___sys_sendmsg+0xee/0x170 [ 2584.387182][ T74] __sys_sendmsg+0xcd/0x170 [ 2584.387182][ T74] do_syscall_64+0xc6/0x1e0 [ 2584.387182][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2584.387182][ T74] [ 2584.389794][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2584.389794][ T74] netdev_get_by_index+0x5e/0x80 [ 2584.389794][ T74] fib6_nh_init+0x3d8/0x1580 [ 2584.389794][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2584.389794][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2584.389794][ T74] ipv6_add_addr+0x411/0x2000 [ 2584.389794][ T74] inet6_addr_add+0x30e/0xa40 [ 2584.389794][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2584.389794][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2584.389794][ T74] netlink_rcv_skb+0x130/0x360 [ 2584.389794][ T74] netlink_unicast+0x449/0x710 [ 2584.389794][ T74] netlink_sendmsg+0x723/0xbe0 [ 2584.389794][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2584.389794][ T74] ___sys_sendmsg+0xee/0x170 [ 2584.389794][ T74] __sys_sendmsg+0xcd/0x170 [ 2584.389794][ T74] do_syscall_64+0xc6/0x1e0 [ 2584.389794][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2584.389794][ T74] [ 2584.392480][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2584.392480][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2584.392480][ T74] ipv6_find_idev+0x102/0x170 [ 2584.392480][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2584.392480][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2584.392480][ T74] netlink_rcv_skb+0x130/0x360 [ 2584.392480][ T74] netlink_unicast+0x449/0x710 [ 2584.392480][ T74] netlink_sendmsg+0x723/0xbe0 [ 2584.392480][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2584.392480][ T74] ___sys_sendmsg+0xee/0x170 [ 2584.392480][ T74] __sys_sendmsg+0xcd/0x170 [ 2584.392480][ T74] do_syscall_64+0xc6/0x1e0 [ 2584.392480][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2584.392480][ T74] [ 2584.394546][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2584.394546][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2584.394546][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2584.394546][ T74] ipv6_find_idev+0x102/0x170 [ 2584.394546][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2584.394546][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2584.394546][ T74] netlink_rcv_skb+0x130/0x360 [ 2584.394546][ T74] netlink_unicast+0x449/0x710 [ 2584.394546][ T74] netlink_sendmsg+0x723/0xbe0 [ 2584.394546][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2584.394546][ T74] ___sys_sendmsg+0xee/0x170 [ 2584.394546][ T74] __sys_sendmsg+0xcd/0x170 [ 2584.394546][ T74] do_syscall_64+0xc6/0x1e0 [ 2584.394546][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2584.394546][ T74] [ 2594.647937][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2594.648364][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2594.648364][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2594.648364][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2594.648364][ T74] fib6_nh_init+0xa22/0x1580 [ 2594.648364][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2594.648364][ T74] ip6_route_add+0x1c/0x140 [ 2594.648364][ T74] inet6_rtm_newroute+0x104/0x110 [ 2594.648364][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2594.648364][ T74] netlink_rcv_skb+0x130/0x360 [ 2594.648364][ T74] netlink_unicast+0x449/0x710 [ 2594.648364][ T74] netlink_sendmsg+0x723/0xbe0 [ 2594.648364][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2594.648364][ T74] ___sys_sendmsg+0xee/0x170 [ 2594.648364][ T74] __sys_sendmsg+0xcd/0x170 [ 2594.648364][ T74] do_syscall_64+0xc6/0x1e0 [ 2594.648364][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2594.648364][ T74] [ 2594.650698][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2594.650698][ T74] netdev_get_by_index+0x5e/0x80 [ 2594.650698][ T74] fib6_nh_init+0x3d8/0x1580 [ 2594.650698][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2594.650698][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2594.650698][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2594.650698][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2594.650698][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2594.650698][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2594.650698][ T74] addrconf_dad_begin+0x310/0x670 [ 2594.650698][ T74] addrconf_dad_work+0x10b/0xab0 [ 2594.650698][ T74] process_one_work+0x84d/0x18a0 [ 2594.650698][ T74] worker_thread+0x587/0xd30 [ 2594.650698][ T74] kthread+0x28a/0x350 [ 2594.650698][ T74] ret_from_fork+0x31/0x70 [ 2594.650698][ T74] ret_from_fork_asm+0x1a/0x30 [ 2594.650698][ T74] [ 2594.653052][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2594.653052][ T74] netdev_get_by_index+0x5e/0x80 [ 2594.653052][ T74] fib6_nh_init+0x3d8/0x1580 [ 2594.653052][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2594.653052][ T74] ip6_route_add+0x1c/0x140 [ 2594.653052][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2594.653052][ T74] inet6_addr_add+0x4f8/0xa40 [ 2594.653052][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2594.653052][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2594.653052][ T74] netlink_rcv_skb+0x130/0x360 [ 2594.653052][ T74] netlink_unicast+0x449/0x710 [ 2594.653052][ T74] netlink_sendmsg+0x723/0xbe0 [ 2594.653052][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2594.653052][ T74] ___sys_sendmsg+0xee/0x170 [ 2594.653052][ T74] __sys_sendmsg+0xcd/0x170 [ 2594.653052][ T74] do_syscall_64+0xc6/0x1e0 [ 2594.653052][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2594.653052][ T74] [ 2594.655506][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2594.655506][ T74] netdev_get_by_index+0x5e/0x80 [ 2594.655506][ T74] fib6_nh_init+0x3d8/0x1580 [ 2594.655506][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2594.655506][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2594.655506][ T74] ipv6_add_addr+0x411/0x2000 [ 2594.655506][ T74] inet6_addr_add+0x30e/0xa40 [ 2594.655506][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2594.655506][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2594.655506][ T74] netlink_rcv_skb+0x130/0x360 [ 2594.655506][ T74] netlink_unicast+0x449/0x710 [ 2594.655506][ T74] netlink_sendmsg+0x723/0xbe0 [ 2594.655506][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2594.655506][ T74] ___sys_sendmsg+0xee/0x170 [ 2594.655506][ T74] __sys_sendmsg+0xcd/0x170 [ 2594.655506][ T74] do_syscall_64+0xc6/0x1e0 [ 2594.655506][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2594.655506][ T74] [ 2594.657976][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2594.657976][ T74] netdev_get_by_index+0x5e/0x80 [ 2594.657976][ T74] fib6_nh_init+0x3d8/0x1580 [ 2594.657976][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2594.657976][ T74] ip6_route_add+0x1c/0x140 [ 2594.657976][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2594.657976][ T74] addrconf_add_dev+0xe2/0x170 [ 2594.657976][ T74] inet6_addr_add+0x12f/0xa40 [ 2594.657976][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2594.657976][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2594.657976][ T74] netlink_rcv_skb+0x130/0x360 [ 2594.657976][ T74] netlink_unicast+0x449/0x710 [ 2594.657976][ T74] netlink_sendmsg+0x723/0xbe0 [ 2594.657976][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2594.657976][ T74] ___sys_sendmsg+0xee/0x170 [ 2594.657976][ T74] __sys_sendmsg+0xcd/0x170 [ 2594.657976][ T74] do_syscall_64+0xc6/0x1e0 [ 2594.657976][ T74] [ 2594.660397][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2594.660397][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2594.660397][ T74] ipv6_find_idev+0x102/0x170 [ 2594.660397][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2594.660397][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2594.660397][ T74] netlink_rcv_skb+0x130/0x360 [ 2594.660397][ T74] netlink_unicast+0x449/0x710 [ 2594.660397][ T74] netlink_sendmsg+0x723/0xbe0 [ 2594.660397][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2594.660397][ T74] ___sys_sendmsg+0xee/0x170 [ 2594.660397][ T74] __sys_sendmsg+0xcd/0x170 [ 2594.660397][ T74] do_syscall_64+0xc6/0x1e0 [ 2594.660397][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2594.660397][ T74] [ 2594.662288][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2594.662288][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2594.662288][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2594.662288][ T74] ipv6_find_idev+0x102/0x170 [ 2594.662288][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2594.662288][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2594.662288][ T74] netlink_rcv_skb+0x130/0x360 [ 2594.662288][ T74] netlink_unicast+0x449/0x710 [ 2594.662288][ T74] netlink_sendmsg+0x723/0xbe0 [ 2594.662288][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2594.662288][ T74] ___sys_sendmsg+0xee/0x170 [ 2594.662288][ T74] __sys_sendmsg+0xcd/0x170 [ 2594.662288][ T74] do_syscall_64+0xc6/0x1e0 [ 2594.662288][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2594.662288][ T74] [ 2594.664371][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2594.664701][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2594.664701][ T74] dst_init+0x84/0x4a0 [ 2594.664701][ T74] dst_alloc+0x97/0x150 [ 2594.664701][ T74] ip6_dst_alloc+0x23/0x90 [ 2594.664701][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2594.664701][ T74] ip6_pol_route+0x56f/0x840 [ 2594.664701][ T74] fib6_rule_lookup+0x456/0x630 [ 2594.664701][ T74] ip6_route_input+0x59c/0xa50 [ 2594.664701][ T74] ipv6_rcv+0x397/0x810 [ 2594.664701][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2594.664701][ T74] process_backlog+0x101/0x620 [ 2594.664701][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2594.664701][ T74] net_rx_action+0x495/0xbe0 [ 2594.664701][ T74] __do_softirq+0x1b5/0x7f6 [ 2594.664701][ T74] [ 2594.666714][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2594.666714][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2594.666714][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2594.666714][ T74] fib6_nh_init+0xa22/0x1580 [ 2594.666714][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2594.666714][ T74] ip6_route_add+0x1c/0x140 [ 2594.666714][ T74] inet6_rtm_newroute+0x104/0x110 [ 2594.666714][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2594.666714][ T74] netlink_rcv_skb+0x130/0x360 [ 2594.666714][ T74] netlink_unicast+0x449/0x710 [ 2594.666714][ T74] netlink_sendmsg+0x723/0xbe0 [ 2594.666714][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2594.666714][ T74] ___sys_sendmsg+0xee/0x170 [ 2594.666714][ T74] __sys_sendmsg+0xcd/0x170 [ 2594.666714][ T74] do_syscall_64+0xc6/0x1e0 [ 2594.666714][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2594.666714][ T74] [ 2594.669031][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2594.669031][ T74] netdev_get_by_index+0x5e/0x80 [ 2594.669031][ T74] fib6_nh_init+0x3d8/0x1580 [ 2594.669031][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2594.669031][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2594.669031][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2594.669031][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2594.669031][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2594.669031][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2594.669031][ T74] addrconf_dad_begin+0x310/0x670 [ 2594.669031][ T74] addrconf_dad_work+0x10b/0xab0 [ 2594.669031][ T74] process_one_work+0x84d/0x18a0 [ 2594.669031][ T74] worker_thread+0x587/0xd30 [ 2594.669031][ T74] kthread+0x28a/0x350 [ 2594.669031][ T74] ret_from_fork+0x31/0x70 [ 2594.669031][ T74] ret_from_fork_asm+0x1a/0x30 [ 2594.669031][ T74] [ 2594.671359][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2594.671359][ T74] netdev_get_by_index+0x5e/0x80 [ 2594.671359][ T74] fib6_nh_init+0x3d8/0x1580 [ 2594.671359][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2594.671359][ T74] ip6_route_add+0x1c/0x140 [ 2594.671359][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2594.671359][ T74] inet6_addr_add+0x4f8/0xa40 [ 2594.671359][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2594.671359][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2594.671359][ T74] netlink_rcv_skb+0x130/0x360 [ 2594.671359][ T74] netlink_unicast+0x449/0x710 [ 2594.671359][ T74] netlink_sendmsg+0x723/0xbe0 [ 2594.671359][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2594.671359][ T74] ___sys_sendmsg+0xee/0x170 [ 2594.671359][ T74] __sys_sendmsg+0xcd/0x170 [ 2594.671359][ T74] do_syscall_64+0xc6/0x1e0 [ 2594.671359][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2594.671359][ T74] [ 2594.673804][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2594.673804][ T74] netdev_get_by_index+0x5e/0x80 [ 2594.673804][ T74] fib6_nh_init+0x3d8/0x1580 [ 2594.673804][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2594.673804][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2594.673804][ T74] ipv6_add_addr+0x411/0x2000 [ 2594.673804][ T74] inet6_addr_add+0x30e/0xa40 [ 2594.673804][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2594.673804][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2594.673804][ T74] netlink_rcv_skb+0x130/0x360 [ 2594.673804][ T74] netlink_unicast+0x449/0x710 [ 2594.673804][ T74] netlink_sendmsg+0x723/0xbe0 [ 2594.673804][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2594.673804][ T74] ___sys_sendmsg+0xee/0x170 [ 2594.673804][ T74] __sys_sendmsg+0xcd/0x170 [ 2594.673804][ T74] do_syscall_64+0xc6/0x1e0 [ 2594.673804][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2594.673804][ T74] [ 2594.676200][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2594.676200][ T74] netdev_get_by_index+0x5e/0x80 [ 2594.676200][ T74] fib6_nh_init+0x3d8/0x1580 [ 2594.676200][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2594.676200][ T74] ip6_route_add+0x1c/0x140 [ 2594.676200][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2594.676200][ T74] addrconf_add_dev+0xe2/0x170 [ 2594.676200][ T74] inet6_addr_add+0x12f/0xa40 [ 2594.676200][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2594.676200][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2594.676200][ T74] netlink_rcv_skb+0x130/0x360 [ 2594.676200][ T74] netlink_unicast+0x449/0x710 [ 2594.676200][ T74] netlink_sendmsg+0x723/0xbe0 [ 2594.676200][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2594.676200][ T74] ___sys_sendmsg+0xee/0x170 [ 2594.676200][ T74] __sys_sendmsg+0xcd/0x170 [ 2594.676200][ T74] do_syscall_64+0xc6/0x1e0 [ 2594.676200][ T74] [ 2594.678333][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2594.678333][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2594.678333][ T74] ipv6_find_idev+0x102/0x170 [ 2594.678333][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2594.678333][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2594.678333][ T74] netlink_rcv_skb+0x130/0x360 [ 2594.678333][ T74] netlink_unicast+0x449/0x710 [ 2594.678333][ T74] netlink_sendmsg+0x723/0xbe0 [ 2594.678333][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2594.678333][ T74] ___sys_sendmsg+0xee/0x170 [ 2594.678333][ T74] __sys_sendmsg+0xcd/0x170 [ 2594.678333][ T74] do_syscall_64+0xc6/0x1e0 [ 2594.678333][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2594.678333][ T74] [ 2594.680395][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2594.680395][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2594.680395][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2594.680395][ T74] ipv6_find_idev+0x102/0x170 [ 2594.680395][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2594.680395][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2594.680395][ T74] netlink_rcv_skb+0x130/0x360 [ 2594.680395][ T74] netlink_unicast+0x449/0x710 [ 2594.680395][ T74] netlink_sendmsg+0x723/0xbe0 [ 2594.680395][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2594.680395][ T74] ___sys_sendmsg+0xee/0x170 [ 2594.680395][ T74] __sys_sendmsg+0xcd/0x170 [ 2594.680395][ T74] do_syscall_64+0xc6/0x1e0 [ 2594.680395][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2594.680395][ T74] [ 2594.682624][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2594.682984][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2594.682984][ T74] netdev_get_by_index+0x5e/0x80 [ 2594.682984][ T74] fib6_nh_init+0x3d8/0x1580 [ 2594.682984][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2594.682984][ T74] ip6_route_add+0x1c/0x140 [ 2594.682984][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2594.682984][ T74] inet6_addr_add+0x4f8/0xa40 [ 2594.682984][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2594.682984][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2594.682984][ T74] netlink_rcv_skb+0x130/0x360 [ 2594.682984][ T74] netlink_unicast+0x449/0x710 [ 2594.682984][ T74] netlink_sendmsg+0x723/0xbe0 [ 2594.682984][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2594.682984][ T74] ___sys_sendmsg+0xee/0x170 [ 2594.682984][ T74] __sys_sendmsg+0xcd/0x170 [ 2594.682984][ T74] do_syscall_64+0xc6/0x1e0 [ 2594.682984][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2594.682984][ T74] [ 2594.685618][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2594.685618][ T74] netdev_get_by_index+0x5e/0x80 [ 2594.685618][ T74] fib6_nh_init+0x3d8/0x1580 [ 2594.685618][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2594.685618][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2594.685618][ T74] ipv6_add_addr+0x411/0x2000 [ 2594.685618][ T74] inet6_addr_add+0x30e/0xa40 [ 2594.685618][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2594.685618][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2594.685618][ T74] netlink_rcv_skb+0x130/0x360 [ 2594.685618][ T74] netlink_unicast+0x449/0x710 [ 2594.685618][ T74] netlink_sendmsg+0x723/0xbe0 [ 2594.685618][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2594.685618][ T74] ___sys_sendmsg+0xee/0x170 [ 2594.685618][ T74] __sys_sendmsg+0xcd/0x170 [ 2594.685618][ T74] do_syscall_64+0xc6/0x1e0 [ 2594.685618][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2594.685618][ T74] [ 2594.688092][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2594.688092][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2594.688092][ T74] ipv6_find_idev+0x102/0x170 [ 2594.688092][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2594.688092][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2594.688092][ T74] netlink_rcv_skb+0x130/0x360 [ 2594.688092][ T74] netlink_unicast+0x449/0x710 [ 2594.688092][ T74] netlink_sendmsg+0x723/0xbe0 [ 2594.688092][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2594.688092][ T74] ___sys_sendmsg+0xee/0x170 [ 2594.688092][ T74] __sys_sendmsg+0xcd/0x170 [ 2594.688092][ T74] do_syscall_64+0xc6/0x1e0 [ 2594.688092][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2594.688092][ T74] [ 2594.689806][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2594.689806][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2594.689806][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2594.689806][ T74] ipv6_find_idev+0x102/0x170 [ 2594.689806][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2594.689806][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2594.689806][ T74] netlink_rcv_skb+0x130/0x360 [ 2594.689806][ T74] netlink_unicast+0x449/0x710 [ 2594.689806][ T74] netlink_sendmsg+0x723/0xbe0 [ 2594.689806][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2594.689806][ T74] ___sys_sendmsg+0xee/0x170 [ 2594.689806][ T74] __sys_sendmsg+0xcd/0x170 [ 2594.689806][ T74] do_syscall_64+0xc6/0x1e0 [ 2594.689806][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2594.689806][ T74] [ 2604.943928][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2604.944289][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2604.944289][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2604.944289][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2604.944289][ T74] fib6_nh_init+0xa22/0x1580 [ 2604.944289][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2604.944289][ T74] ip6_route_add+0x1c/0x140 [ 2604.944289][ T74] inet6_rtm_newroute+0x104/0x110 [ 2604.944289][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2604.944289][ T74] netlink_rcv_skb+0x130/0x360 [ 2604.944289][ T74] netlink_unicast+0x449/0x710 [ 2604.944289][ T74] netlink_sendmsg+0x723/0xbe0 [ 2604.944289][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2604.944289][ T74] ___sys_sendmsg+0xee/0x170 [ 2604.944289][ T74] __sys_sendmsg+0xcd/0x170 [ 2604.944289][ T74] do_syscall_64+0xc6/0x1e0 [ 2604.944289][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2604.944289][ T74] [ 2604.946184][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2604.946184][ T74] netdev_get_by_index+0x5e/0x80 [ 2604.946184][ T74] fib6_nh_init+0x3d8/0x1580 [ 2604.946184][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2604.946184][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2604.946184][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2604.946184][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2604.946184][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2604.946184][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2604.946184][ T74] addrconf_dad_begin+0x310/0x670 [ 2604.946184][ T74] addrconf_dad_work+0x10b/0xab0 [ 2604.946184][ T74] process_one_work+0x84d/0x18a0 [ 2604.946184][ T74] worker_thread+0x587/0xd30 [ 2604.946184][ T74] kthread+0x28a/0x350 [ 2604.946184][ T74] ret_from_fork+0x31/0x70 [ 2604.946184][ T74] ret_from_fork_asm+0x1a/0x30 [ 2604.946184][ T74] [ 2604.948611][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2604.948611][ T74] netdev_get_by_index+0x5e/0x80 [ 2604.948611][ T74] fib6_nh_init+0x3d8/0x1580 [ 2604.948611][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2604.948611][ T74] ip6_route_add+0x1c/0x140 [ 2604.948611][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2604.948611][ T74] inet6_addr_add+0x4f8/0xa40 [ 2604.948611][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2604.948611][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2604.948611][ T74] netlink_rcv_skb+0x130/0x360 [ 2604.948611][ T74] netlink_unicast+0x449/0x710 [ 2604.948611][ T74] netlink_sendmsg+0x723/0xbe0 [ 2604.948611][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2604.948611][ T74] ___sys_sendmsg+0xee/0x170 [ 2604.948611][ T74] __sys_sendmsg+0xcd/0x170 [ 2604.948611][ T74] do_syscall_64+0xc6/0x1e0 [ 2604.948611][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2604.948611][ T74] [ 2604.950991][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2604.950991][ T74] netdev_get_by_index+0x5e/0x80 [ 2604.950991][ T74] fib6_nh_init+0x3d8/0x1580 [ 2604.950991][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2604.950991][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2604.950991][ T74] ipv6_add_addr+0x411/0x2000 [ 2604.950991][ T74] inet6_addr_add+0x30e/0xa40 [ 2604.950991][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2604.950991][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2604.950991][ T74] netlink_rcv_skb+0x130/0x360 [ 2604.950991][ T74] netlink_unicast+0x449/0x710 [ 2604.950991][ T74] netlink_sendmsg+0x723/0xbe0 [ 2604.950991][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2604.950991][ T74] ___sys_sendmsg+0xee/0x170 [ 2604.950991][ T74] __sys_sendmsg+0xcd/0x170 [ 2604.950991][ T74] do_syscall_64+0xc6/0x1e0 [ 2604.950991][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2604.950991][ T74] [ 2604.952982][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2604.952982][ T74] netdev_get_by_index+0x5e/0x80 [ 2604.952982][ T74] fib6_nh_init+0x3d8/0x1580 [ 2604.952982][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2604.952982][ T74] ip6_route_add+0x1c/0x140 [ 2604.952982][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2604.952982][ T74] addrconf_add_dev+0xe2/0x170 [ 2604.952982][ T74] inet6_addr_add+0x12f/0xa40 [ 2604.952982][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2604.952982][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2604.952982][ T74] netlink_rcv_skb+0x130/0x360 [ 2604.952982][ T74] netlink_unicast+0x449/0x710 [ 2604.952982][ T74] netlink_sendmsg+0x723/0xbe0 [ 2604.952982][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2604.952982][ T74] ___sys_sendmsg+0xee/0x170 [ 2604.952982][ T74] __sys_sendmsg+0xcd/0x170 [ 2604.952982][ T74] do_syscall_64+0xc6/0x1e0 [ 2604.952982][ T74] [ 2604.954933][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2604.954933][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2604.954933][ T74] ipv6_find_idev+0x102/0x170 [ 2604.954933][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2604.954933][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2604.954933][ T74] netlink_rcv_skb+0x130/0x360 [ 2604.954933][ T74] netlink_unicast+0x449/0x710 [ 2604.954933][ T74] netlink_sendmsg+0x723/0xbe0 [ 2604.954933][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2604.954933][ T74] ___sys_sendmsg+0xee/0x170 [ 2604.954933][ T74] __sys_sendmsg+0xcd/0x170 [ 2604.954933][ T74] do_syscall_64+0xc6/0x1e0 [ 2604.954933][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2604.954933][ T74] [ 2604.956467][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2604.956467][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2604.956467][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2604.956467][ T74] ipv6_find_idev+0x102/0x170 [ 2604.956467][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2604.956467][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2604.956467][ T74] netlink_rcv_skb+0x130/0x360 [ 2604.956467][ T74] netlink_unicast+0x449/0x710 [ 2604.956467][ T74] netlink_sendmsg+0x723/0xbe0 [ 2604.956467][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2604.956467][ T74] ___sys_sendmsg+0xee/0x170 [ 2604.956467][ T74] __sys_sendmsg+0xcd/0x170 [ 2604.956467][ T74] do_syscall_64+0xc6/0x1e0 [ 2604.956467][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2604.956467][ T74] [ 2604.958167][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2604.958438][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2604.958438][ T74] dst_init+0x84/0x4a0 [ 2604.958438][ T74] dst_alloc+0x97/0x150 [ 2604.958438][ T74] ip6_dst_alloc+0x23/0x90 [ 2604.958438][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2604.958438][ T74] ip6_pol_route+0x56f/0x840 [ 2604.958438][ T74] fib6_rule_lookup+0x456/0x630 [ 2604.958438][ T74] ip6_route_input+0x59c/0xa50 [ 2604.958438][ T74] ipv6_rcv+0x397/0x810 [ 2604.958438][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2604.958438][ T74] process_backlog+0x101/0x620 [ 2604.958438][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2604.958438][ T74] net_rx_action+0x495/0xbe0 [ 2604.958438][ T74] __do_softirq+0x1b5/0x7f6 [ 2604.958438][ T74] [ 2604.960082][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2604.960082][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2604.960082][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2604.960082][ T74] fib6_nh_init+0xa22/0x1580 [ 2604.960082][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2604.960082][ T74] ip6_route_add+0x1c/0x140 [ 2604.960082][ T74] inet6_rtm_newroute+0x104/0x110 [ 2604.960082][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2604.960082][ T74] netlink_rcv_skb+0x130/0x360 [ 2604.960082][ T74] netlink_unicast+0x449/0x710 [ 2604.960082][ T74] netlink_sendmsg+0x723/0xbe0 [ 2604.960082][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2604.960082][ T74] ___sys_sendmsg+0xee/0x170 [ 2604.960082][ T74] __sys_sendmsg+0xcd/0x170 [ 2604.960082][ T74] do_syscall_64+0xc6/0x1e0 [ 2604.960082][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2604.960082][ T74] [ 2604.961968][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2604.961968][ T74] netdev_get_by_index+0x5e/0x80 [ 2604.961968][ T74] fib6_nh_init+0x3d8/0x1580 [ 2604.961968][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2604.961968][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2604.961968][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2604.961968][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2604.961968][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2604.961968][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2604.961968][ T74] addrconf_dad_begin+0x310/0x670 [ 2604.961968][ T74] addrconf_dad_work+0x10b/0xab0 [ 2604.961968][ T74] process_one_work+0x84d/0x18a0 [ 2604.961968][ T74] worker_thread+0x587/0xd30 [ 2604.961968][ T74] kthread+0x28a/0x350 [ 2604.961968][ T74] ret_from_fork+0x31/0x70 [ 2604.961968][ T74] ret_from_fork_asm+0x1a/0x30 [ 2604.961968][ T74] [ 2604.963872][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2604.963872][ T74] netdev_get_by_index+0x5e/0x80 [ 2604.963872][ T74] fib6_nh_init+0x3d8/0x1580 [ 2604.963872][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2604.963872][ T74] ip6_route_add+0x1c/0x140 [ 2604.963872][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2604.963872][ T74] inet6_addr_add+0x4f8/0xa40 [ 2604.963872][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2604.963872][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2604.963872][ T74] netlink_rcv_skb+0x130/0x360 [ 2604.963872][ T74] netlink_unicast+0x449/0x710 [ 2604.963872][ T74] netlink_sendmsg+0x723/0xbe0 [ 2604.963872][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2604.963872][ T74] ___sys_sendmsg+0xee/0x170 [ 2604.963872][ T74] __sys_sendmsg+0xcd/0x170 [ 2604.963872][ T74] do_syscall_64+0xc6/0x1e0 [ 2604.963872][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2604.963872][ T74] [ 2604.965902][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2604.965902][ T74] netdev_get_by_index+0x5e/0x80 [ 2604.965902][ T74] fib6_nh_init+0x3d8/0x1580 [ 2604.965902][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2604.965902][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2604.965902][ T74] ipv6_add_addr+0x411/0x2000 [ 2604.965902][ T74] inet6_addr_add+0x30e/0xa40 [ 2604.965902][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2604.965902][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2604.965902][ T74] netlink_rcv_skb+0x130/0x360 [ 2604.965902][ T74] netlink_unicast+0x449/0x710 [ 2604.965902][ T74] netlink_sendmsg+0x723/0xbe0 [ 2604.965902][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2604.965902][ T74] ___sys_sendmsg+0xee/0x170 [ 2604.965902][ T74] __sys_sendmsg+0xcd/0x170 [ 2604.965902][ T74] do_syscall_64+0xc6/0x1e0 [ 2604.965902][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2604.965902][ T74] [ 2604.967906][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2604.967906][ T74] netdev_get_by_index+0x5e/0x80 [ 2604.967906][ T74] fib6_nh_init+0x3d8/0x1580 [ 2604.967906][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2604.967906][ T74] ip6_route_add+0x1c/0x140 [ 2604.967906][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2604.967906][ T74] addrconf_add_dev+0xe2/0x170 [ 2604.967906][ T74] inet6_addr_add+0x12f/0xa40 [ 2604.967906][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2604.967906][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2604.967906][ T74] netlink_rcv_skb+0x130/0x360 [ 2604.967906][ T74] netlink_unicast+0x449/0x710 [ 2604.967906][ T74] netlink_sendmsg+0x723/0xbe0 [ 2604.967906][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2604.967906][ T74] ___sys_sendmsg+0xee/0x170 [ 2604.967906][ T74] __sys_sendmsg+0xcd/0x170 [ 2604.967906][ T74] do_syscall_64+0xc6/0x1e0 [ 2604.967906][ T74] [ 2604.969859][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2604.969859][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2604.969859][ T74] ipv6_find_idev+0x102/0x170 [ 2604.969859][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2604.969859][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2604.969859][ T74] netlink_rcv_skb+0x130/0x360 [ 2604.969859][ T74] netlink_unicast+0x449/0x710 [ 2604.969859][ T74] netlink_sendmsg+0x723/0xbe0 [ 2604.969859][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2604.969859][ T74] ___sys_sendmsg+0xee/0x170 [ 2604.969859][ T74] __sys_sendmsg+0xcd/0x170 [ 2604.969859][ T74] do_syscall_64+0xc6/0x1e0 [ 2604.969859][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2604.969859][ T74] [ 2604.971585][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2604.971585][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2604.971585][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2604.971585][ T74] ipv6_find_idev+0x102/0x170 [ 2604.971585][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2604.971585][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2604.971585][ T74] netlink_rcv_skb+0x130/0x360 [ 2604.971585][ T74] netlink_unicast+0x449/0x710 [ 2604.971585][ T74] netlink_sendmsg+0x723/0xbe0 [ 2604.971585][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2604.971585][ T74] ___sys_sendmsg+0xee/0x170 [ 2604.971585][ T74] __sys_sendmsg+0xcd/0x170 [ 2604.971585][ T74] do_syscall_64+0xc6/0x1e0 [ 2604.971585][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2604.971585][ T74] [ 2604.973439][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2604.973679][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2604.973679][ T74] netdev_get_by_index+0x5e/0x80 [ 2604.973679][ T74] fib6_nh_init+0x3d8/0x1580 [ 2604.973679][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2604.973679][ T74] ip6_route_add+0x1c/0x140 [ 2604.973679][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2604.973679][ T74] inet6_addr_add+0x4f8/0xa40 [ 2604.973679][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2604.973679][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2604.973679][ T74] netlink_rcv_skb+0x130/0x360 [ 2604.973679][ T74] netlink_unicast+0x449/0x710 [ 2604.973679][ T74] netlink_sendmsg+0x723/0xbe0 [ 2604.973679][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2604.973679][ T74] ___sys_sendmsg+0xee/0x170 [ 2604.973679][ T74] __sys_sendmsg+0xcd/0x170 [ 2604.973679][ T74] do_syscall_64+0xc6/0x1e0 [ 2604.973679][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2604.973679][ T74] [ 2604.975930][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2604.975930][ T74] netdev_get_by_index+0x5e/0x80 [ 2604.975930][ T74] fib6_nh_init+0x3d8/0x1580 [ 2604.975930][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2604.975930][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2604.975930][ T74] ipv6_add_addr+0x411/0x2000 [ 2604.975930][ T74] inet6_addr_add+0x30e/0xa40 [ 2604.975930][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2604.975930][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2604.975930][ T74] netlink_rcv_skb+0x130/0x360 [ 2604.975930][ T74] netlink_unicast+0x449/0x710 [ 2604.975930][ T74] netlink_sendmsg+0x723/0xbe0 [ 2604.975930][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2604.975930][ T74] ___sys_sendmsg+0xee/0x170 [ 2604.975930][ T74] __sys_sendmsg+0xcd/0x170 [ 2604.975930][ T74] do_syscall_64+0xc6/0x1e0 [ 2604.975930][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2604.975930][ T74] [ 2604.978170][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2604.978170][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2604.978170][ T74] ipv6_find_idev+0x102/0x170 [ 2604.978170][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2604.978170][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2604.978170][ T74] netlink_rcv_skb+0x130/0x360 [ 2604.978170][ T74] netlink_unicast+0x449/0x710 [ 2604.978170][ T74] netlink_sendmsg+0x723/0xbe0 [ 2604.978170][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2604.978170][ T74] ___sys_sendmsg+0xee/0x170 [ 2604.978170][ T74] __sys_sendmsg+0xcd/0x170 [ 2604.978170][ T74] do_syscall_64+0xc6/0x1e0 [ 2604.978170][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2604.978170][ T74] [ 2604.979939][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2604.979939][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2604.979939][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2604.979939][ T74] ipv6_find_idev+0x102/0x170 [ 2604.979939][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2604.979939][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2604.979939][ T74] netlink_rcv_skb+0x130/0x360 [ 2604.979939][ T74] netlink_unicast+0x449/0x710 [ 2604.979939][ T74] netlink_sendmsg+0x723/0xbe0 [ 2604.979939][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2604.979939][ T74] ___sys_sendmsg+0xee/0x170 [ 2604.979939][ T74] __sys_sendmsg+0xcd/0x170 [ 2604.979939][ T74] do_syscall_64+0xc6/0x1e0 [ 2604.979939][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2604.979939][ T74] [ 2615.232017][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2615.232400][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2615.232400][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2615.232400][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2615.232400][ T74] fib6_nh_init+0xa22/0x1580 [ 2615.232400][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2615.232400][ T74] ip6_route_add+0x1c/0x140 [ 2615.232400][ T74] inet6_rtm_newroute+0x104/0x110 [ 2615.232400][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2615.232400][ T74] netlink_rcv_skb+0x130/0x360 [ 2615.232400][ T74] netlink_unicast+0x449/0x710 [ 2615.232400][ T74] netlink_sendmsg+0x723/0xbe0 [ 2615.232400][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2615.232400][ T74] ___sys_sendmsg+0xee/0x170 [ 2615.232400][ T74] __sys_sendmsg+0xcd/0x170 [ 2615.232400][ T74] do_syscall_64+0xc6/0x1e0 [ 2615.232400][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2615.232400][ T74] [ 2615.234312][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2615.234312][ T74] netdev_get_by_index+0x5e/0x80 [ 2615.234312][ T74] fib6_nh_init+0x3d8/0x1580 [ 2615.234312][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2615.234312][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2615.234312][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2615.234312][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2615.234312][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2615.234312][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2615.234312][ T74] addrconf_dad_begin+0x310/0x670 [ 2615.234312][ T74] addrconf_dad_work+0x10b/0xab0 [ 2615.234312][ T74] process_one_work+0x84d/0x18a0 [ 2615.234312][ T74] worker_thread+0x587/0xd30 [ 2615.234312][ T74] kthread+0x28a/0x350 [ 2615.234312][ T74] ret_from_fork+0x31/0x70 [ 2615.234312][ T74] ret_from_fork_asm+0x1a/0x30 [ 2615.234312][ T74] [ 2615.236228][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2615.236228][ T74] netdev_get_by_index+0x5e/0x80 [ 2615.236228][ T74] fib6_nh_init+0x3d8/0x1580 [ 2615.236228][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2615.236228][ T74] ip6_route_add+0x1c/0x140 [ 2615.236228][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2615.236228][ T74] inet6_addr_add+0x4f8/0xa40 [ 2615.236228][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2615.236228][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2615.236228][ T74] netlink_rcv_skb+0x130/0x360 [ 2615.236228][ T74] netlink_unicast+0x449/0x710 [ 2615.236228][ T74] netlink_sendmsg+0x723/0xbe0 [ 2615.236228][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2615.236228][ T74] ___sys_sendmsg+0xee/0x170 [ 2615.236228][ T74] __sys_sendmsg+0xcd/0x170 [ 2615.236228][ T74] do_syscall_64+0xc6/0x1e0 [ 2615.236228][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2615.236228][ T74] [ 2615.238244][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2615.238244][ T74] netdev_get_by_index+0x5e/0x80 [ 2615.238244][ T74] fib6_nh_init+0x3d8/0x1580 [ 2615.238244][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2615.238244][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2615.238244][ T74] ipv6_add_addr+0x411/0x2000 [ 2615.238244][ T74] inet6_addr_add+0x30e/0xa40 [ 2615.238244][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2615.238244][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2615.238244][ T74] netlink_rcv_skb+0x130/0x360 [ 2615.238244][ T74] netlink_unicast+0x449/0x710 [ 2615.238244][ T74] netlink_sendmsg+0x723/0xbe0 [ 2615.238244][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2615.238244][ T74] ___sys_sendmsg+0xee/0x170 [ 2615.238244][ T74] __sys_sendmsg+0xcd/0x170 [ 2615.238244][ T74] do_syscall_64+0xc6/0x1e0 [ 2615.238244][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2615.238244][ T74] [ 2615.240249][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2615.240249][ T74] netdev_get_by_index+0x5e/0x80 [ 2615.240249][ T74] fib6_nh_init+0x3d8/0x1580 [ 2615.240249][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2615.240249][ T74] ip6_route_add+0x1c/0x140 [ 2615.240249][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2615.240249][ T74] addrconf_add_dev+0xe2/0x170 [ 2615.240249][ T74] inet6_addr_add+0x12f/0xa40 [ 2615.240249][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2615.240249][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2615.240249][ T74] netlink_rcv_skb+0x130/0x360 [ 2615.240249][ T74] netlink_unicast+0x449/0x710 [ 2615.240249][ T74] netlink_sendmsg+0x723/0xbe0 [ 2615.240249][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2615.240249][ T74] ___sys_sendmsg+0xee/0x170 [ 2615.240249][ T74] __sys_sendmsg+0xcd/0x170 [ 2615.240249][ T74] do_syscall_64+0xc6/0x1e0 [ 2615.240249][ T74] [ 2615.242209][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2615.242209][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2615.242209][ T74] ipv6_find_idev+0x102/0x170 [ 2615.242209][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2615.242209][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2615.242209][ T74] netlink_rcv_skb+0x130/0x360 [ 2615.242209][ T74] netlink_unicast+0x449/0x710 [ 2615.242209][ T74] netlink_sendmsg+0x723/0xbe0 [ 2615.242209][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2615.242209][ T74] ___sys_sendmsg+0xee/0x170 [ 2615.242209][ T74] __sys_sendmsg+0xcd/0x170 [ 2615.242209][ T74] do_syscall_64+0xc6/0x1e0 [ 2615.242209][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2615.242209][ T74] [ 2615.243746][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2615.243746][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2615.243746][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2615.243746][ T74] ipv6_find_idev+0x102/0x170 [ 2615.243746][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2615.243746][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2615.243746][ T74] netlink_rcv_skb+0x130/0x360 [ 2615.243746][ T74] netlink_unicast+0x449/0x710 [ 2615.243746][ T74] netlink_sendmsg+0x723/0xbe0 [ 2615.243746][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2615.243746][ T74] ___sys_sendmsg+0xee/0x170 [ 2615.243746][ T74] __sys_sendmsg+0xcd/0x170 [ 2615.243746][ T74] do_syscall_64+0xc6/0x1e0 [ 2615.243746][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2615.243746][ T74] [ 2615.245473][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2615.245765][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2615.245765][ T74] dst_init+0x84/0x4a0 [ 2615.245765][ T74] dst_alloc+0x97/0x150 [ 2615.245765][ T74] ip6_dst_alloc+0x23/0x90 [ 2615.245765][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2615.245765][ T74] ip6_pol_route+0x56f/0x840 [ 2615.245765][ T74] fib6_rule_lookup+0x456/0x630 [ 2615.245765][ T74] ip6_route_input+0x59c/0xa50 [ 2615.245765][ T74] ipv6_rcv+0x397/0x810 [ 2615.245765][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2615.245765][ T74] process_backlog+0x101/0x620 [ 2615.245765][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2615.245765][ T74] net_rx_action+0x495/0xbe0 [ 2615.245765][ T74] __do_softirq+0x1b5/0x7f6 [ 2615.245765][ T74] [ 2615.247561][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2615.247561][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2615.247561][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2615.247561][ T74] fib6_nh_init+0xa22/0x1580 [ 2615.247561][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2615.247561][ T74] ip6_route_add+0x1c/0x140 [ 2615.247561][ T74] inet6_rtm_newroute+0x104/0x110 [ 2615.247561][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2615.247561][ T74] netlink_rcv_skb+0x130/0x360 [ 2615.247561][ T74] netlink_unicast+0x449/0x710 [ 2615.247561][ T74] netlink_sendmsg+0x723/0xbe0 [ 2615.247561][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2615.247561][ T74] ___sys_sendmsg+0xee/0x170 [ 2615.247561][ T74] __sys_sendmsg+0xcd/0x170 [ 2615.247561][ T74] do_syscall_64+0xc6/0x1e0 [ 2615.247561][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2615.247561][ T74] [ 2615.249613][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2615.249613][ T74] netdev_get_by_index+0x5e/0x80 [ 2615.249613][ T74] fib6_nh_init+0x3d8/0x1580 [ 2615.249613][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2615.249613][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2615.249613][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2615.249613][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2615.249613][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2615.249613][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2615.249613][ T74] addrconf_dad_begin+0x310/0x670 [ 2615.249613][ T74] addrconf_dad_work+0x10b/0xab0 [ 2615.249613][ T74] process_one_work+0x84d/0x18a0 [ 2615.249613][ T74] worker_thread+0x587/0xd30 [ 2615.249613][ T74] kthread+0x28a/0x350 [ 2615.249613][ T74] ret_from_fork+0x31/0x70 [ 2615.249613][ T74] ret_from_fork_asm+0x1a/0x30 [ 2615.249613][ T74] [ 2615.252107][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2615.252107][ T74] netdev_get_by_index+0x5e/0x80 [ 2615.252107][ T74] fib6_nh_init+0x3d8/0x1580 [ 2615.252107][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2615.252107][ T74] ip6_route_add+0x1c/0x140 [ 2615.252107][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2615.252107][ T74] inet6_addr_add+0x4f8/0xa40 [ 2615.252107][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2615.252107][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2615.252107][ T74] netlink_rcv_skb+0x130/0x360 [ 2615.252107][ T74] netlink_unicast+0x449/0x710 [ 2615.252107][ T74] netlink_sendmsg+0x723/0xbe0 [ 2615.252107][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2615.252107][ T74] ___sys_sendmsg+0xee/0x170 [ 2615.252107][ T74] __sys_sendmsg+0xcd/0x170 [ 2615.252107][ T74] do_syscall_64+0xc6/0x1e0 [ 2615.252107][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2615.252107][ T74] [ 2615.254294][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2615.254294][ T74] netdev_get_by_index+0x5e/0x80 [ 2615.254294][ T74] fib6_nh_init+0x3d8/0x1580 [ 2615.254294][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2615.254294][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2615.254294][ T74] ipv6_add_addr+0x411/0x2000 [ 2615.254294][ T74] inet6_addr_add+0x30e/0xa40 [ 2615.254294][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2615.254294][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2615.254294][ T74] netlink_rcv_skb+0x130/0x360 [ 2615.254294][ T74] netlink_unicast+0x449/0x710 [ 2615.254294][ T74] netlink_sendmsg+0x723/0xbe0 [ 2615.254294][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2615.254294][ T74] ___sys_sendmsg+0xee/0x170 [ 2615.254294][ T74] __sys_sendmsg+0xcd/0x170 [ 2615.254294][ T74] do_syscall_64+0xc6/0x1e0 [ 2615.254294][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2615.254294][ T74] [ 2615.256482][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2615.256482][ T74] netdev_get_by_index+0x5e/0x80 [ 2615.256482][ T74] fib6_nh_init+0x3d8/0x1580 [ 2615.256482][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2615.256482][ T74] ip6_route_add+0x1c/0x140 [ 2615.256482][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2615.256482][ T74] addrconf_add_dev+0xe2/0x170 [ 2615.256482][ T74] inet6_addr_add+0x12f/0xa40 [ 2615.256482][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2615.256482][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2615.256482][ T74] netlink_rcv_skb+0x130/0x360 [ 2615.256482][ T74] netlink_unicast+0x449/0x710 [ 2615.256482][ T74] netlink_sendmsg+0x723/0xbe0 [ 2615.256482][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2615.256482][ T74] ___sys_sendmsg+0xee/0x170 [ 2615.256482][ T74] __sys_sendmsg+0xcd/0x170 [ 2615.256482][ T74] do_syscall_64+0xc6/0x1e0 [ 2615.256482][ T74] [ 2615.258621][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2615.258621][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2615.258621][ T74] ipv6_find_idev+0x102/0x170 [ 2615.258621][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2615.258621][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2615.258621][ T74] netlink_rcv_skb+0x130/0x360 [ 2615.258621][ T74] netlink_unicast+0x449/0x710 [ 2615.258621][ T74] netlink_sendmsg+0x723/0xbe0 [ 2615.258621][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2615.258621][ T74] ___sys_sendmsg+0xee/0x170 [ 2615.258621][ T74] __sys_sendmsg+0xcd/0x170 [ 2615.258621][ T74] do_syscall_64+0xc6/0x1e0 [ 2615.258621][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2615.258621][ T74] [ 2615.260492][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2615.260492][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2615.260492][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2615.260492][ T74] ipv6_find_idev+0x102/0x170 [ 2615.260492][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2615.260492][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2615.260492][ T74] netlink_rcv_skb+0x130/0x360 [ 2615.260492][ T74] netlink_unicast+0x449/0x710 [ 2615.260492][ T74] netlink_sendmsg+0x723/0xbe0 [ 2615.260492][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2615.260492][ T74] ___sys_sendmsg+0xee/0x170 [ 2615.260492][ T74] __sys_sendmsg+0xcd/0x170 [ 2615.260492][ T74] do_syscall_64+0xc6/0x1e0 [ 2615.260492][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2615.260492][ T74] [ 2615.262620][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2615.262993][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2615.262993][ T74] netdev_get_by_index+0x5e/0x80 [ 2615.262993][ T74] fib6_nh_init+0x3d8/0x1580 [ 2615.262993][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2615.262993][ T74] ip6_route_add+0x1c/0x140 [ 2615.262993][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2615.262993][ T74] inet6_addr_add+0x4f8/0xa40 [ 2615.262993][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2615.262993][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2615.262993][ T74] netlink_rcv_skb+0x130/0x360 [ 2615.262993][ T74] netlink_unicast+0x449/0x710 [ 2615.262993][ T74] netlink_sendmsg+0x723/0xbe0 [ 2615.262993][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2615.262993][ T74] ___sys_sendmsg+0xee/0x170 [ 2615.262993][ T74] __sys_sendmsg+0xcd/0x170 [ 2615.262993][ T74] do_syscall_64+0xc6/0x1e0 [ 2615.262993][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2615.262993][ T74] [ 2615.265640][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2615.265640][ T74] netdev_get_by_index+0x5e/0x80 [ 2615.265640][ T74] fib6_nh_init+0x3d8/0x1580 [ 2615.265640][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2615.265640][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2615.265640][ T74] ipv6_add_addr+0x411/0x2000 [ 2615.265640][ T74] inet6_addr_add+0x30e/0xa40 [ 2615.265640][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2615.265640][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2615.265640][ T74] netlink_rcv_skb+0x130/0x360 [ 2615.265640][ T74] netlink_unicast+0x449/0x710 [ 2615.265640][ T74] netlink_sendmsg+0x723/0xbe0 [ 2615.265640][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2615.265640][ T74] ___sys_sendmsg+0xee/0x170 [ 2615.265640][ T74] __sys_sendmsg+0xcd/0x170 [ 2615.265640][ T74] do_syscall_64+0xc6/0x1e0 [ 2615.265640][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2615.265640][ T74] [ 2615.268359][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2615.268359][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2615.268359][ T74] ipv6_find_idev+0x102/0x170 [ 2615.268359][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2615.268359][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2615.268359][ T74] netlink_rcv_skb+0x130/0x360 [ 2615.268359][ T74] netlink_unicast+0x449/0x710 [ 2615.268359][ T74] netlink_sendmsg+0x723/0xbe0 [ 2615.268359][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2615.268359][ T74] ___sys_sendmsg+0xee/0x170 [ 2615.268359][ T74] __sys_sendmsg+0xcd/0x170 [ 2615.268359][ T74] do_syscall_64+0xc6/0x1e0 [ 2615.268359][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2615.268359][ T74] [ 2615.270374][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2615.270374][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2615.270374][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2615.270374][ T74] ipv6_find_idev+0x102/0x170 [ 2615.270374][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2615.270374][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2615.270374][ T74] netlink_rcv_skb+0x130/0x360 [ 2615.270374][ T74] netlink_unicast+0x449/0x710 [ 2615.270374][ T74] netlink_sendmsg+0x723/0xbe0 [ 2615.270374][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2615.270374][ T74] ___sys_sendmsg+0xee/0x170 [ 2615.270374][ T74] __sys_sendmsg+0xcd/0x170 [ 2615.270374][ T74] do_syscall_64+0xc6/0x1e0 [ 2615.270374][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2615.270374][ T74] [ 2625.351903][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2625.352326][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2625.352326][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2625.352326][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2625.352326][ T74] fib6_nh_init+0xa22/0x1580 [ 2625.352326][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2625.352326][ T74] ip6_route_add+0x1c/0x140 [ 2625.352326][ T74] inet6_rtm_newroute+0x104/0x110 [ 2625.352326][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.352326][ T74] netlink_rcv_skb+0x130/0x360 [ 2625.352326][ T74] netlink_unicast+0x449/0x710 [ 2625.352326][ T74] netlink_sendmsg+0x723/0xbe0 [ 2625.352326][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2625.352326][ T74] ___sys_sendmsg+0xee/0x170 [ 2625.352326][ T74] __sys_sendmsg+0xcd/0x170 [ 2625.352326][ T74] do_syscall_64+0xc6/0x1e0 [ 2625.352326][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.352326][ T74] [ 2625.354221][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2625.354221][ T74] netdev_get_by_index+0x5e/0x80 [ 2625.354221][ T74] fib6_nh_init+0x3d8/0x1580 [ 2625.354221][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2625.354221][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2625.354221][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2625.354221][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2625.354221][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2625.354221][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2625.354221][ T74] addrconf_dad_begin+0x310/0x670 [ 2625.354221][ T74] addrconf_dad_work+0x10b/0xab0 [ 2625.354221][ T74] process_one_work+0x84d/0x18a0 [ 2625.354221][ T74] worker_thread+0x587/0xd30 [ 2625.354221][ T74] kthread+0x28a/0x350 [ 2625.354221][ T74] ret_from_fork+0x31/0x70 [ 2625.354221][ T74] ret_from_fork_asm+0x1a/0x30 [ 2625.354221][ T74] [ 2625.356118][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2625.356118][ T74] netdev_get_by_index+0x5e/0x80 [ 2625.356118][ T74] fib6_nh_init+0x3d8/0x1580 [ 2625.356118][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2625.356118][ T74] ip6_route_add+0x1c/0x140 [ 2625.356118][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2625.356118][ T74] inet6_addr_add+0x4f8/0xa40 [ 2625.356118][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2625.356118][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.356118][ T74] netlink_rcv_skb+0x130/0x360 [ 2625.356118][ T74] netlink_unicast+0x449/0x710 [ 2625.356118][ T74] netlink_sendmsg+0x723/0xbe0 [ 2625.356118][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2625.356118][ T74] ___sys_sendmsg+0xee/0x170 [ 2625.356118][ T74] __sys_sendmsg+0xcd/0x170 [ 2625.356118][ T74] do_syscall_64+0xc6/0x1e0 [ 2625.356118][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.356118][ T74] [ 2625.358506][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2625.358506][ T74] netdev_get_by_index+0x5e/0x80 [ 2625.358506][ T74] fib6_nh_init+0x3d8/0x1580 [ 2625.358506][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2625.358506][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2625.358506][ T74] ipv6_add_addr+0x411/0x2000 [ 2625.358506][ T74] inet6_addr_add+0x30e/0xa40 [ 2625.358506][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2625.358506][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.358506][ T74] netlink_rcv_skb+0x130/0x360 [ 2625.358506][ T74] netlink_unicast+0x449/0x710 [ 2625.358506][ T74] netlink_sendmsg+0x723/0xbe0 [ 2625.358506][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2625.358506][ T74] ___sys_sendmsg+0xee/0x170 [ 2625.358506][ T74] __sys_sendmsg+0xcd/0x170 [ 2625.358506][ T74] do_syscall_64+0xc6/0x1e0 [ 2625.358506][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.358506][ T74] [ 2625.360539][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2625.360539][ T74] netdev_get_by_index+0x5e/0x80 [ 2625.360539][ T74] fib6_nh_init+0x3d8/0x1580 [ 2625.360539][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2625.360539][ T74] ip6_route_add+0x1c/0x140 [ 2625.360539][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2625.360539][ T74] addrconf_add_dev+0xe2/0x170 [ 2625.360539][ T74] inet6_addr_add+0x12f/0xa40 [ 2625.360539][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2625.360539][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.360539][ T74] netlink_rcv_skb+0x130/0x360 [ 2625.360539][ T74] netlink_unicast+0x449/0x710 [ 2625.360539][ T74] netlink_sendmsg+0x723/0xbe0 [ 2625.360539][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2625.360539][ T74] ___sys_sendmsg+0xee/0x170 [ 2625.360539][ T74] __sys_sendmsg+0xcd/0x170 [ 2625.360539][ T74] do_syscall_64+0xc6/0x1e0 [ 2625.360539][ T74] [ 2625.362513][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2625.362513][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2625.362513][ T74] ipv6_find_idev+0x102/0x170 [ 2625.362513][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2625.362513][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.362513][ T74] netlink_rcv_skb+0x130/0x360 [ 2625.362513][ T74] netlink_unicast+0x449/0x710 [ 2625.362513][ T74] netlink_sendmsg+0x723/0xbe0 [ 2625.362513][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2625.362513][ T74] ___sys_sendmsg+0xee/0x170 [ 2625.362513][ T74] __sys_sendmsg+0xcd/0x170 [ 2625.362513][ T74] do_syscall_64+0xc6/0x1e0 [ 2625.362513][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.362513][ T74] [ 2625.364047][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2625.364047][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2625.364047][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2625.364047][ T74] ipv6_find_idev+0x102/0x170 [ 2625.364047][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2625.364047][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.364047][ T74] netlink_rcv_skb+0x130/0x360 [ 2625.364047][ T74] netlink_unicast+0x449/0x710 [ 2625.364047][ T74] netlink_sendmsg+0x723/0xbe0 [ 2625.364047][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2625.364047][ T74] ___sys_sendmsg+0xee/0x170 [ 2625.364047][ T74] __sys_sendmsg+0xcd/0x170 [ 2625.364047][ T74] do_syscall_64+0xc6/0x1e0 [ 2625.364047][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.364047][ T74] [ 2625.365738][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2625.366026][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2625.366026][ T74] dst_init+0x84/0x4a0 [ 2625.366026][ T74] dst_alloc+0x97/0x150 [ 2625.366026][ T74] ip6_dst_alloc+0x23/0x90 [ 2625.366026][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2625.366026][ T74] ip6_pol_route+0x56f/0x840 [ 2625.366026][ T74] fib6_rule_lookup+0x456/0x630 [ 2625.366026][ T74] ip6_route_input+0x59c/0xa50 [ 2625.366026][ T74] ipv6_rcv+0x397/0x810 [ 2625.366026][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2625.366026][ T74] process_backlog+0x101/0x620 [ 2625.366026][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2625.366026][ T74] net_rx_action+0x495/0xbe0 [ 2625.366026][ T74] __do_softirq+0x1b5/0x7f6 [ 2625.366026][ T74] [ 2625.367676][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2625.367676][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2625.367676][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2625.367676][ T74] fib6_nh_init+0xa22/0x1580 [ 2625.367676][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2625.367676][ T74] ip6_route_add+0x1c/0x140 [ 2625.367676][ T74] inet6_rtm_newroute+0x104/0x110 [ 2625.367676][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.367676][ T74] netlink_rcv_skb+0x130/0x360 [ 2625.367676][ T74] netlink_unicast+0x449/0x710 [ 2625.367676][ T74] netlink_sendmsg+0x723/0xbe0 [ 2625.367676][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2625.367676][ T74] ___sys_sendmsg+0xee/0x170 [ 2625.367676][ T74] __sys_sendmsg+0xcd/0x170 [ 2625.367676][ T74] do_syscall_64+0xc6/0x1e0 [ 2625.367676][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.367676][ T74] [ 2625.369549][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2625.369549][ T74] netdev_get_by_index+0x5e/0x80 [ 2625.369549][ T74] fib6_nh_init+0x3d8/0x1580 [ 2625.369549][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2625.369549][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2625.369549][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2625.369549][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2625.369549][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2625.369549][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2625.369549][ T74] addrconf_dad_begin+0x310/0x670 [ 2625.369549][ T74] addrconf_dad_work+0x10b/0xab0 [ 2625.369549][ T74] process_one_work+0x84d/0x18a0 [ 2625.369549][ T74] worker_thread+0x587/0xd30 [ 2625.369549][ T74] kthread+0x28a/0x350 [ 2625.369549][ T74] ret_from_fork+0x31/0x70 [ 2625.369549][ T74] ret_from_fork_asm+0x1a/0x30 [ 2625.369549][ T74] [ 2625.371454][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2625.371454][ T74] netdev_get_by_index+0x5e/0x80 [ 2625.371454][ T74] fib6_nh_init+0x3d8/0x1580 [ 2625.371454][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2625.371454][ T74] ip6_route_add+0x1c/0x140 [ 2625.371454][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2625.371454][ T74] inet6_addr_add+0x4f8/0xa40 [ 2625.371454][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2625.371454][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.371454][ T74] netlink_rcv_skb+0x130/0x360 [ 2625.371454][ T74] netlink_unicast+0x449/0x710 [ 2625.371454][ T74] netlink_sendmsg+0x723/0xbe0 [ 2625.371454][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2625.371454][ T74] ___sys_sendmsg+0xee/0x170 [ 2625.371454][ T74] __sys_sendmsg+0xcd/0x170 [ 2625.371454][ T74] do_syscall_64+0xc6/0x1e0 [ 2625.371454][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.371454][ T74] [ 2625.373443][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2625.373443][ T74] netdev_get_by_index+0x5e/0x80 [ 2625.373443][ T74] fib6_nh_init+0x3d8/0x1580 [ 2625.373443][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2625.373443][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2625.373443][ T74] ipv6_add_addr+0x411/0x2000 [ 2625.373443][ T74] inet6_addr_add+0x30e/0xa40 [ 2625.373443][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2625.373443][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.373443][ T74] netlink_rcv_skb+0x130/0x360 [ 2625.373443][ T74] netlink_unicast+0x449/0x710 [ 2625.373443][ T74] netlink_sendmsg+0x723/0xbe0 [ 2625.373443][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2625.373443][ T74] ___sys_sendmsg+0xee/0x170 [ 2625.373443][ T74] __sys_sendmsg+0xcd/0x170 [ 2625.373443][ T74] do_syscall_64+0xc6/0x1e0 [ 2625.373443][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.373443][ T74] [ 2625.375442][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2625.375442][ T74] netdev_get_by_index+0x5e/0x80 [ 2625.375442][ T74] fib6_nh_init+0x3d8/0x1580 [ 2625.375442][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2625.375442][ T74] ip6_route_add+0x1c/0x140 [ 2625.375442][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2625.375442][ T74] addrconf_add_dev+0xe2/0x170 [ 2625.375442][ T74] inet6_addr_add+0x12f/0xa40 [ 2625.375442][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2625.375442][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.375442][ T74] netlink_rcv_skb+0x130/0x360 [ 2625.375442][ T74] netlink_unicast+0x449/0x710 [ 2625.375442][ T74] netlink_sendmsg+0x723/0xbe0 [ 2625.375442][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2625.375442][ T74] ___sys_sendmsg+0xee/0x170 [ 2625.375442][ T74] __sys_sendmsg+0xcd/0x170 [ 2625.375442][ T74] do_syscall_64+0xc6/0x1e0 [ 2625.375442][ T74] [ 2625.377402][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2625.377402][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2625.377402][ T74] ipv6_find_idev+0x102/0x170 [ 2625.377402][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2625.377402][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.377402][ T74] netlink_rcv_skb+0x130/0x360 [ 2625.377402][ T74] netlink_unicast+0x449/0x710 [ 2625.377402][ T74] netlink_sendmsg+0x723/0xbe0 [ 2625.377402][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2625.377402][ T74] ___sys_sendmsg+0xee/0x170 [ 2625.377402][ T74] __sys_sendmsg+0xcd/0x170 [ 2625.377402][ T74] do_syscall_64+0xc6/0x1e0 [ 2625.377402][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.377402][ T74] [ 2625.379056][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2625.379056][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2625.379056][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2625.379056][ T74] ipv6_find_idev+0x102/0x170 [ 2625.379056][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2625.379056][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.379056][ T74] netlink_rcv_skb+0x130/0x360 [ 2625.379056][ T74] netlink_unicast+0x449/0x710 [ 2625.379056][ T74] netlink_sendmsg+0x723/0xbe0 [ 2625.379056][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2625.379056][ T74] ___sys_sendmsg+0xee/0x170 [ 2625.379056][ T74] __sys_sendmsg+0xcd/0x170 [ 2625.379056][ T74] do_syscall_64+0xc6/0x1e0 [ 2625.379056][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.379056][ T74] [ 2625.381023][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2625.381260][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2625.381260][ T74] netdev_get_by_index+0x5e/0x80 [ 2625.381260][ T74] fib6_nh_init+0x3d8/0x1580 [ 2625.381260][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2625.381260][ T74] ip6_route_add+0x1c/0x140 [ 2625.381260][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2625.381260][ T74] inet6_addr_add+0x4f8/0xa40 [ 2625.381260][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2625.381260][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.381260][ T74] netlink_rcv_skb+0x130/0x360 [ 2625.381260][ T74] netlink_unicast+0x449/0x710 [ 2625.381260][ T74] netlink_sendmsg+0x723/0xbe0 [ 2625.381260][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2625.381260][ T74] ___sys_sendmsg+0xee/0x170 [ 2625.381260][ T74] __sys_sendmsg+0xcd/0x170 [ 2625.381260][ T74] do_syscall_64+0xc6/0x1e0 [ 2625.381260][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.381260][ T74] [ 2625.383504][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2625.383504][ T74] netdev_get_by_index+0x5e/0x80 [ 2625.383504][ T74] fib6_nh_init+0x3d8/0x1580 [ 2625.383504][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2625.383504][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2625.383504][ T74] ipv6_add_addr+0x411/0x2000 [ 2625.383504][ T74] inet6_addr_add+0x30e/0xa40 [ 2625.383504][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2625.383504][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.383504][ T74] netlink_rcv_skb+0x130/0x360 [ 2625.383504][ T74] netlink_unicast+0x449/0x710 [ 2625.383504][ T74] netlink_sendmsg+0x723/0xbe0 [ 2625.383504][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2625.383504][ T74] ___sys_sendmsg+0xee/0x170 [ 2625.383504][ T74] __sys_sendmsg+0xcd/0x170 [ 2625.383504][ T74] do_syscall_64+0xc6/0x1e0 [ 2625.383504][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.383504][ T74] [ 2625.385736][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2625.385736][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2625.385736][ T74] ipv6_find_idev+0x102/0x170 [ 2625.385736][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2625.385736][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.385736][ T74] netlink_rcv_skb+0x130/0x360 [ 2625.385736][ T74] netlink_unicast+0x449/0x710 [ 2625.385736][ T74] netlink_sendmsg+0x723/0xbe0 [ 2625.385736][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2625.385736][ T74] ___sys_sendmsg+0xee/0x170 [ 2625.385736][ T74] __sys_sendmsg+0xcd/0x170 [ 2625.385736][ T74] do_syscall_64+0xc6/0x1e0 [ 2625.385736][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.385736][ T74] [ 2625.387405][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2625.387405][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2625.387405][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2625.387405][ T74] ipv6_find_idev+0x102/0x170 [ 2625.387405][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2625.387405][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.387405][ T74] netlink_rcv_skb+0x130/0x360 [ 2625.387405][ T74] netlink_unicast+0x449/0x710 [ 2625.387405][ T74] netlink_sendmsg+0x723/0xbe0 [ 2625.387405][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2625.387405][ T74] ___sys_sendmsg+0xee/0x170 [ 2625.387405][ T74] __sys_sendmsg+0xcd/0x170 [ 2625.387405][ T74] do_syscall_64+0xc6/0x1e0 [ 2625.387405][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.387405][ T74] [ 2635.631957][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2635.632355][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2635.632355][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2635.632355][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2635.632355][ T74] fib6_nh_init+0xa22/0x1580 [ 2635.632355][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2635.632355][ T74] ip6_route_add+0x1c/0x140 [ 2635.632355][ T74] inet6_rtm_newroute+0x104/0x110 [ 2635.632355][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.632355][ T74] netlink_rcv_skb+0x130/0x360 [ 2635.632355][ T74] netlink_unicast+0x449/0x710 [ 2635.632355][ T74] netlink_sendmsg+0x723/0xbe0 [ 2635.632355][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2635.632355][ T74] ___sys_sendmsg+0xee/0x170 [ 2635.632355][ T74] __sys_sendmsg+0xcd/0x170 [ 2635.632355][ T74] do_syscall_64+0xc6/0x1e0 [ 2635.632355][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2635.632355][ T74] [ 2635.634262][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2635.634262][ T74] netdev_get_by_index+0x5e/0x80 [ 2635.634262][ T74] fib6_nh_init+0x3d8/0x1580 [ 2635.634262][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2635.634262][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2635.634262][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2635.634262][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2635.634262][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2635.634262][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2635.634262][ T74] addrconf_dad_begin+0x310/0x670 [ 2635.634262][ T74] addrconf_dad_work+0x10b/0xab0 [ 2635.634262][ T74] process_one_work+0x84d/0x18a0 [ 2635.634262][ T74] worker_thread+0x587/0xd30 [ 2635.634262][ T74] kthread+0x28a/0x350 [ 2635.634262][ T74] ret_from_fork+0x31/0x70 [ 2635.634262][ T74] ret_from_fork_asm+0x1a/0x30 [ 2635.634262][ T74] [ 2635.636210][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2635.636210][ T74] netdev_get_by_index+0x5e/0x80 [ 2635.636210][ T74] fib6_nh_init+0x3d8/0x1580 [ 2635.636210][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2635.636210][ T74] ip6_route_add+0x1c/0x140 [ 2635.636210][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2635.636210][ T74] inet6_addr_add+0x4f8/0xa40 [ 2635.636210][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2635.636210][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.636210][ T74] netlink_rcv_skb+0x130/0x360 [ 2635.636210][ T74] netlink_unicast+0x449/0x710 [ 2635.636210][ T74] netlink_sendmsg+0x723/0xbe0 [ 2635.636210][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2635.636210][ T74] ___sys_sendmsg+0xee/0x170 [ 2635.636210][ T74] __sys_sendmsg+0xcd/0x170 [ 2635.636210][ T74] do_syscall_64+0xc6/0x1e0 [ 2635.636210][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2635.636210][ T74] [ 2635.638214][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2635.638214][ T74] netdev_get_by_index+0x5e/0x80 [ 2635.638214][ T74] fib6_nh_init+0x3d8/0x1580 [ 2635.638214][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2635.638214][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2635.638214][ T74] ipv6_add_addr+0x411/0x2000 [ 2635.638214][ T74] inet6_addr_add+0x30e/0xa40 [ 2635.638214][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2635.638214][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.638214][ T74] netlink_rcv_skb+0x130/0x360 [ 2635.638214][ T74] netlink_unicast+0x449/0x710 [ 2635.638214][ T74] netlink_sendmsg+0x723/0xbe0 [ 2635.638214][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2635.638214][ T74] ___sys_sendmsg+0xee/0x170 [ 2635.638214][ T74] __sys_sendmsg+0xcd/0x170 [ 2635.638214][ T74] do_syscall_64+0xc6/0x1e0 [ 2635.638214][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2635.638214][ T74] [ 2635.640259][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2635.640259][ T74] netdev_get_by_index+0x5e/0x80 [ 2635.640259][ T74] fib6_nh_init+0x3d8/0x1580 [ 2635.640259][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2635.640259][ T74] ip6_route_add+0x1c/0x140 [ 2635.640259][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2635.640259][ T74] addrconf_add_dev+0xe2/0x170 [ 2635.640259][ T74] inet6_addr_add+0x12f/0xa40 [ 2635.640259][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2635.640259][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.640259][ T74] netlink_rcv_skb+0x130/0x360 [ 2635.640259][ T74] netlink_unicast+0x449/0x710 [ 2635.640259][ T74] netlink_sendmsg+0x723/0xbe0 [ 2635.640259][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2635.640259][ T74] ___sys_sendmsg+0xee/0x170 [ 2635.640259][ T74] __sys_sendmsg+0xcd/0x170 [ 2635.640259][ T74] do_syscall_64+0xc6/0x1e0 [ 2635.640259][ T74] [ 2635.642792][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2635.642792][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2635.642792][ T74] ipv6_find_idev+0x102/0x170 [ 2635.642792][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2635.642792][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.642792][ T74] netlink_rcv_skb+0x130/0x360 [ 2635.642792][ T74] netlink_unicast+0x449/0x710 [ 2635.642792][ T74] netlink_sendmsg+0x723/0xbe0 [ 2635.642792][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2635.642792][ T74] ___sys_sendmsg+0xee/0x170 [ 2635.642792][ T74] __sys_sendmsg+0xcd/0x170 [ 2635.642792][ T74] do_syscall_64+0xc6/0x1e0 [ 2635.642792][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2635.642792][ T74] [ 2635.645094][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2635.645094][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2635.645094][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2635.645094][ T74] ipv6_find_idev+0x102/0x170 [ 2635.645094][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2635.645094][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.645094][ T74] netlink_rcv_skb+0x130/0x360 [ 2635.645094][ T74] netlink_unicast+0x449/0x710 [ 2635.645094][ T74] netlink_sendmsg+0x723/0xbe0 [ 2635.645094][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2635.645094][ T74] ___sys_sendmsg+0xee/0x170 [ 2635.645094][ T74] __sys_sendmsg+0xcd/0x170 [ 2635.645094][ T74] do_syscall_64+0xc6/0x1e0 [ 2635.645094][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2635.645094][ T74] [ 2635.647747][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2635.648195][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2635.648195][ T74] dst_init+0x84/0x4a0 [ 2635.648195][ T74] dst_alloc+0x97/0x150 [ 2635.648195][ T74] ip6_dst_alloc+0x23/0x90 [ 2635.648195][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2635.648195][ T74] ip6_pol_route+0x56f/0x840 [ 2635.648195][ T74] fib6_rule_lookup+0x456/0x630 [ 2635.648195][ T74] ip6_route_input+0x59c/0xa50 [ 2635.648195][ T74] ipv6_rcv+0x397/0x810 [ 2635.648195][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2635.648195][ T74] process_backlog+0x101/0x620 [ 2635.648195][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2635.648195][ T74] net_rx_action+0x495/0xbe0 [ 2635.648195][ T74] __do_softirq+0x1b5/0x7f6 [ 2635.648195][ T74] [ 2635.650723][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2635.650723][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2635.650723][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2635.650723][ T74] fib6_nh_init+0xa22/0x1580 [ 2635.650723][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2635.650723][ T74] ip6_route_add+0x1c/0x140 [ 2635.650723][ T74] inet6_rtm_newroute+0x104/0x110 [ 2635.650723][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.650723][ T74] netlink_rcv_skb+0x130/0x360 [ 2635.650723][ T74] netlink_unicast+0x449/0x710 [ 2635.650723][ T74] netlink_sendmsg+0x723/0xbe0 [ 2635.650723][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2635.650723][ T74] ___sys_sendmsg+0xee/0x170 [ 2635.650723][ T74] __sys_sendmsg+0xcd/0x170 [ 2635.650723][ T74] do_syscall_64+0xc6/0x1e0 [ 2635.650723][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2635.650723][ T74] [ 2635.653677][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2635.653677][ T74] netdev_get_by_index+0x5e/0x80 [ 2635.653677][ T74] fib6_nh_init+0x3d8/0x1580 [ 2635.653677][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2635.653677][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2635.653677][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2635.653677][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2635.653677][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2635.653677][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2635.653677][ T74] addrconf_dad_begin+0x310/0x670 [ 2635.653677][ T74] addrconf_dad_work+0x10b/0xab0 [ 2635.653677][ T74] process_one_work+0x84d/0x18a0 [ 2635.653677][ T74] worker_thread+0x587/0xd30 [ 2635.653677][ T74] kthread+0x28a/0x350 [ 2635.653677][ T74] ret_from_fork+0x31/0x70 [ 2635.653677][ T74] ret_from_fork_asm+0x1a/0x30 [ 2635.653677][ T74] [ 2635.656637][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2635.656637][ T74] netdev_get_by_index+0x5e/0x80 [ 2635.656637][ T74] fib6_nh_init+0x3d8/0x1580 [ 2635.656637][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2635.656637][ T74] ip6_route_add+0x1c/0x140 [ 2635.656637][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2635.656637][ T74] inet6_addr_add+0x4f8/0xa40 [ 2635.656637][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2635.656637][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.656637][ T74] netlink_rcv_skb+0x130/0x360 [ 2635.656637][ T74] netlink_unicast+0x449/0x710 [ 2635.656637][ T74] netlink_sendmsg+0x723/0xbe0 [ 2635.656637][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2635.656637][ T74] ___sys_sendmsg+0xee/0x170 [ 2635.656637][ T74] __sys_sendmsg+0xcd/0x170 [ 2635.656637][ T74] do_syscall_64+0xc6/0x1e0 [ 2635.656637][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2635.656637][ T74] [ 2635.659567][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2635.659567][ T74] netdev_get_by_index+0x5e/0x80 [ 2635.659567][ T74] fib6_nh_init+0x3d8/0x1580 [ 2635.659567][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2635.659567][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2635.659567][ T74] ipv6_add_addr+0x411/0x2000 [ 2635.659567][ T74] inet6_addr_add+0x30e/0xa40 [ 2635.659567][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2635.659567][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.659567][ T74] netlink_rcv_skb+0x130/0x360 [ 2635.659567][ T74] netlink_unicast+0x449/0x710 [ 2635.659567][ T74] netlink_sendmsg+0x723/0xbe0 [ 2635.659567][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2635.659567][ T74] ___sys_sendmsg+0xee/0x170 [ 2635.659567][ T74] __sys_sendmsg+0xcd/0x170 [ 2635.659567][ T74] do_syscall_64+0xc6/0x1e0 [ 2635.659567][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2635.659567][ T74] [ 2635.662536][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2635.662536][ T74] netdev_get_by_index+0x5e/0x80 [ 2635.662536][ T74] fib6_nh_init+0x3d8/0x1580 [ 2635.662536][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2635.662536][ T74] ip6_route_add+0x1c/0x140 [ 2635.662536][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2635.662536][ T74] addrconf_add_dev+0xe2/0x170 [ 2635.662536][ T74] inet6_addr_add+0x12f/0xa40 [ 2635.662536][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2635.662536][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.662536][ T74] netlink_rcv_skb+0x130/0x360 [ 2635.662536][ T74] netlink_unicast+0x449/0x710 [ 2635.662536][ T74] netlink_sendmsg+0x723/0xbe0 [ 2635.662536][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2635.662536][ T74] ___sys_sendmsg+0xee/0x170 [ 2635.662536][ T74] __sys_sendmsg+0xcd/0x170 [ 2635.662536][ T74] do_syscall_64+0xc6/0x1e0 [ 2635.662536][ T74] [ 2635.665572][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2635.665572][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2635.665572][ T74] ipv6_find_idev+0x102/0x170 [ 2635.665572][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2635.665572][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.665572][ T74] netlink_rcv_skb+0x130/0x360 [ 2635.665572][ T74] netlink_unicast+0x449/0x710 [ 2635.665572][ T74] netlink_sendmsg+0x723/0xbe0 [ 2635.665572][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2635.665572][ T74] ___sys_sendmsg+0xee/0x170 [ 2635.665572][ T74] __sys_sendmsg+0xcd/0x170 [ 2635.665572][ T74] do_syscall_64+0xc6/0x1e0 [ 2635.665572][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2635.665572][ T74] [ 2635.668192][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2635.668192][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2635.668192][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2635.668192][ T74] ipv6_find_idev+0x102/0x170 [ 2635.668192][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2635.668192][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.668192][ T74] netlink_rcv_skb+0x130/0x360 [ 2635.668192][ T74] netlink_unicast+0x449/0x710 [ 2635.668192][ T74] netlink_sendmsg+0x723/0xbe0 [ 2635.668192][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2635.668192][ T74] ___sys_sendmsg+0xee/0x170 [ 2635.668192][ T74] __sys_sendmsg+0xcd/0x170 [ 2635.668192][ T74] do_syscall_64+0xc6/0x1e0 [ 2635.668192][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2635.668192][ T74] [ 2635.671323][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2635.671692][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2635.671692][ T74] netdev_get_by_index+0x5e/0x80 [ 2635.671692][ T74] fib6_nh_init+0x3d8/0x1580 [ 2635.671692][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2635.671692][ T74] ip6_route_add+0x1c/0x140 [ 2635.671692][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2635.671692][ T74] inet6_addr_add+0x4f8/0xa40 [ 2635.671692][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2635.671692][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.671692][ T74] netlink_rcv_skb+0x130/0x360 [ 2635.671692][ T74] netlink_unicast+0x449/0x710 [ 2635.671692][ T74] netlink_sendmsg+0x723/0xbe0 [ 2635.671692][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2635.671692][ T74] ___sys_sendmsg+0xee/0x170 [ 2635.671692][ T74] __sys_sendmsg+0xcd/0x170 [ 2635.671692][ T74] do_syscall_64+0xc6/0x1e0 [ 2635.671692][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2635.671692][ T74] [ 2635.675230][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2635.675230][ T74] netdev_get_by_index+0x5e/0x80 [ 2635.675230][ T74] fib6_nh_init+0x3d8/0x1580 [ 2635.675230][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2635.675230][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2635.675230][ T74] ipv6_add_addr+0x411/0x2000 [ 2635.675230][ T74] inet6_addr_add+0x30e/0xa40 [ 2635.675230][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2635.675230][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.675230][ T74] netlink_rcv_skb+0x130/0x360 [ 2635.675230][ T74] netlink_unicast+0x449/0x710 [ 2635.675230][ T74] netlink_sendmsg+0x723/0xbe0 [ 2635.675230][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2635.675230][ T74] ___sys_sendmsg+0xee/0x170 [ 2635.675230][ T74] __sys_sendmsg+0xcd/0x170 [ 2635.675230][ T74] do_syscall_64+0xc6/0x1e0 [ 2635.675230][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2635.675230][ T74] [ 2635.678816][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2635.678816][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2635.678816][ T74] ipv6_find_idev+0x102/0x170 [ 2635.678816][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2635.678816][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.678816][ T74] netlink_rcv_skb+0x130/0x360 [ 2635.678816][ T74] netlink_unicast+0x449/0x710 [ 2635.678816][ T74] netlink_sendmsg+0x723/0xbe0 [ 2635.678816][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2635.678816][ T74] ___sys_sendmsg+0xee/0x170 [ 2635.678816][ T74] __sys_sendmsg+0xcd/0x170 [ 2635.678816][ T74] do_syscall_64+0xc6/0x1e0 [ 2635.678816][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2635.678816][ T74] [ 2635.681422][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2635.681422][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2635.681422][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2635.681422][ T74] ipv6_find_idev+0x102/0x170 [ 2635.681422][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2635.681422][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.681422][ T74] netlink_rcv_skb+0x130/0x360 [ 2635.681422][ T74] netlink_unicast+0x449/0x710 [ 2635.681422][ T74] netlink_sendmsg+0x723/0xbe0 [ 2635.681422][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2635.681422][ T74] ___sys_sendmsg+0xee/0x170 [ 2635.681422][ T74] __sys_sendmsg+0xcd/0x170 [ 2635.681422][ T74] do_syscall_64+0xc6/0x1e0 [ 2635.681422][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2635.681422][ T74] [ 2645.871912][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2645.872299][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2645.872299][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2645.872299][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2645.872299][ T74] fib6_nh_init+0xa22/0x1580 [ 2645.872299][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2645.872299][ T74] ip6_route_add+0x1c/0x140 [ 2645.872299][ T74] inet6_rtm_newroute+0x104/0x110 [ 2645.872299][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2645.872299][ T74] netlink_rcv_skb+0x130/0x360 [ 2645.872299][ T74] netlink_unicast+0x449/0x710 [ 2645.872299][ T74] netlink_sendmsg+0x723/0xbe0 [ 2645.872299][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2645.872299][ T74] ___sys_sendmsg+0xee/0x170 [ 2645.872299][ T74] __sys_sendmsg+0xcd/0x170 [ 2645.872299][ T74] do_syscall_64+0xc6/0x1e0 [ 2645.872299][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2645.872299][ T74] [ 2645.874224][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2645.874224][ T74] netdev_get_by_index+0x5e/0x80 [ 2645.874224][ T74] fib6_nh_init+0x3d8/0x1580 [ 2645.874224][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2645.874224][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2645.874224][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2645.874224][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2645.874224][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2645.874224][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2645.874224][ T74] addrconf_dad_begin+0x310/0x670 [ 2645.874224][ T74] addrconf_dad_work+0x10b/0xab0 [ 2645.874224][ T74] process_one_work+0x84d/0x18a0 [ 2645.874224][ T74] worker_thread+0x587/0xd30 [ 2645.874224][ T74] kthread+0x28a/0x350 [ 2645.874224][ T74] ret_from_fork+0x31/0x70 [ 2645.874224][ T74] ret_from_fork_asm+0x1a/0x30 [ 2645.874224][ T74] [ 2645.876227][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2645.876227][ T74] netdev_get_by_index+0x5e/0x80 [ 2645.876227][ T74] fib6_nh_init+0x3d8/0x1580 [ 2645.876227][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2645.876227][ T74] ip6_route_add+0x1c/0x140 [ 2645.876227][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2645.876227][ T74] inet6_addr_add+0x4f8/0xa40 [ 2645.876227][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2645.876227][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2645.876227][ T74] netlink_rcv_skb+0x130/0x360 [ 2645.876227][ T74] netlink_unicast+0x449/0x710 [ 2645.876227][ T74] netlink_sendmsg+0x723/0xbe0 [ 2645.876227][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2645.876227][ T74] ___sys_sendmsg+0xee/0x170 [ 2645.876227][ T74] __sys_sendmsg+0xcd/0x170 [ 2645.876227][ T74] do_syscall_64+0xc6/0x1e0 [ 2645.876227][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2645.876227][ T74] [ 2645.878349][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2645.878349][ T74] netdev_get_by_index+0x5e/0x80 [ 2645.878349][ T74] fib6_nh_init+0x3d8/0x1580 [ 2645.878349][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2645.878349][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2645.878349][ T74] ipv6_add_addr+0x411/0x2000 [ 2645.878349][ T74] inet6_addr_add+0x30e/0xa40 [ 2645.878349][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2645.878349][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2645.878349][ T74] netlink_rcv_skb+0x130/0x360 [ 2645.878349][ T74] netlink_unicast+0x449/0x710 [ 2645.878349][ T74] netlink_sendmsg+0x723/0xbe0 [ 2645.878349][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2645.878349][ T74] ___sys_sendmsg+0xee/0x170 [ 2645.878349][ T74] __sys_sendmsg+0xcd/0x170 [ 2645.878349][ T74] do_syscall_64+0xc6/0x1e0 [ 2645.878349][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2645.878349][ T74] [ 2645.880472][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2645.880472][ T74] netdev_get_by_index+0x5e/0x80 [ 2645.880472][ T74] fib6_nh_init+0x3d8/0x1580 [ 2645.880472][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2645.880472][ T74] ip6_route_add+0x1c/0x140 [ 2645.880472][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2645.880472][ T74] addrconf_add_dev+0xe2/0x170 [ 2645.880472][ T74] inet6_addr_add+0x12f/0xa40 [ 2645.880472][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2645.880472][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2645.880472][ T74] netlink_rcv_skb+0x130/0x360 [ 2645.880472][ T74] netlink_unicast+0x449/0x710 [ 2645.880472][ T74] netlink_sendmsg+0x723/0xbe0 [ 2645.880472][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2645.880472][ T74] ___sys_sendmsg+0xee/0x170 [ 2645.880472][ T74] __sys_sendmsg+0xcd/0x170 [ 2645.880472][ T74] do_syscall_64+0xc6/0x1e0 [ 2645.880472][ T74] [ 2645.882458][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2645.882458][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2645.882458][ T74] ipv6_find_idev+0x102/0x170 [ 2645.882458][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2645.882458][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2645.882458][ T74] netlink_rcv_skb+0x130/0x360 [ 2645.882458][ T74] netlink_unicast+0x449/0x710 [ 2645.882458][ T74] netlink_sendmsg+0x723/0xbe0 [ 2645.882458][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2645.882458][ T74] ___sys_sendmsg+0xee/0x170 [ 2645.882458][ T74] __sys_sendmsg+0xcd/0x170 [ 2645.882458][ T74] do_syscall_64+0xc6/0x1e0 [ 2645.882458][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2645.882458][ T74] [ 2645.884026][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2645.884026][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2645.884026][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2645.884026][ T74] ipv6_find_idev+0x102/0x170 [ 2645.884026][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2645.884026][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2645.884026][ T74] netlink_rcv_skb+0x130/0x360 [ 2645.884026][ T74] netlink_unicast+0x449/0x710 [ 2645.884026][ T74] netlink_sendmsg+0x723/0xbe0 [ 2645.884026][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2645.884026][ T74] ___sys_sendmsg+0xee/0x170 [ 2645.884026][ T74] __sys_sendmsg+0xcd/0x170 [ 2645.884026][ T74] do_syscall_64+0xc6/0x1e0 [ 2645.884026][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2645.884026][ T74] [ 2645.885764][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2645.886076][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2645.886076][ T74] dst_init+0x84/0x4a0 [ 2645.886076][ T74] dst_alloc+0x97/0x150 [ 2645.886076][ T74] ip6_dst_alloc+0x23/0x90 [ 2645.886076][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2645.886076][ T74] ip6_pol_route+0x56f/0x840 [ 2645.886076][ T74] fib6_rule_lookup+0x456/0x630 [ 2645.886076][ T74] ip6_route_input+0x59c/0xa50 [ 2645.886076][ T74] ipv6_rcv+0x397/0x810 [ 2645.886076][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2645.886076][ T74] process_backlog+0x101/0x620 [ 2645.886076][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2645.886076][ T74] net_rx_action+0x495/0xbe0 [ 2645.886076][ T74] __do_softirq+0x1b5/0x7f6 [ 2645.886076][ T74] [ 2645.887738][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2645.887738][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2645.887738][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2645.887738][ T74] fib6_nh_init+0xa22/0x1580 [ 2645.887738][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2645.887738][ T74] ip6_route_add+0x1c/0x140 [ 2645.887738][ T74] inet6_rtm_newroute+0x104/0x110 [ 2645.887738][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2645.887738][ T74] netlink_rcv_skb+0x130/0x360 [ 2645.887738][ T74] netlink_unicast+0x449/0x710 [ 2645.887738][ T74] netlink_sendmsg+0x723/0xbe0 [ 2645.887738][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2645.887738][ T74] ___sys_sendmsg+0xee/0x170 [ 2645.887738][ T74] __sys_sendmsg+0xcd/0x170 [ 2645.887738][ T74] do_syscall_64+0xc6/0x1e0 [ 2645.887738][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2645.887738][ T74] [ 2645.889701][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2645.889701][ T74] netdev_get_by_index+0x5e/0x80 [ 2645.889701][ T74] fib6_nh_init+0x3d8/0x1580 [ 2645.889701][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2645.889701][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2645.889701][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2645.889701][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2645.889701][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2645.889701][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2645.889701][ T74] addrconf_dad_begin+0x310/0x670 [ 2645.889701][ T74] addrconf_dad_work+0x10b/0xab0 [ 2645.889701][ T74] process_one_work+0x84d/0x18a0 [ 2645.889701][ T74] worker_thread+0x587/0xd30 [ 2645.889701][ T74] kthread+0x28a/0x350 [ 2645.889701][ T74] ret_from_fork+0x31/0x70 [ 2645.889701][ T74] ret_from_fork_asm+0x1a/0x30 [ 2645.889701][ T74] [ 2645.891685][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2645.891685][ T74] netdev_get_by_index+0x5e/0x80 [ 2645.891685][ T74] fib6_nh_init+0x3d8/0x1580 [ 2645.891685][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2645.891685][ T74] ip6_route_add+0x1c/0x140 [ 2645.891685][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2645.891685][ T74] inet6_addr_add+0x4f8/0xa40 [ 2645.891685][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2645.891685][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2645.891685][ T74] netlink_rcv_skb+0x130/0x360 [ 2645.891685][ T74] netlink_unicast+0x449/0x710 [ 2645.891685][ T74] netlink_sendmsg+0x723/0xbe0 [ 2645.891685][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2645.891685][ T74] ___sys_sendmsg+0xee/0x170 [ 2645.891685][ T74] __sys_sendmsg+0xcd/0x170 [ 2645.891685][ T74] do_syscall_64+0xc6/0x1e0 [ 2645.891685][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2645.891685][ T74] [ 2645.893786][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2645.893786][ T74] netdev_get_by_index+0x5e/0x80 [ 2645.893786][ T74] fib6_nh_init+0x3d8/0x1580 [ 2645.893786][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2645.893786][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2645.893786][ T74] ipv6_add_addr+0x411/0x2000 [ 2645.893786][ T74] inet6_addr_add+0x30e/0xa40 [ 2645.893786][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2645.893786][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2645.893786][ T74] netlink_rcv_skb+0x130/0x360 [ 2645.893786][ T74] netlink_unicast+0x449/0x710 [ 2645.893786][ T74] netlink_sendmsg+0x723/0xbe0 [ 2645.893786][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2645.893786][ T74] ___sys_sendmsg+0xee/0x170 [ 2645.893786][ T74] __sys_sendmsg+0xcd/0x170 [ 2645.893786][ T74] do_syscall_64+0xc6/0x1e0 [ 2645.893786][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2645.893786][ T74] [ 2645.895894][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2645.895894][ T74] netdev_get_by_index+0x5e/0x80 [ 2645.895894][ T74] fib6_nh_init+0x3d8/0x1580 [ 2645.895894][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2645.895894][ T74] ip6_route_add+0x1c/0x140 [ 2645.895894][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2645.895894][ T74] addrconf_add_dev+0xe2/0x170 [ 2645.895894][ T74] inet6_addr_add+0x12f/0xa40 [ 2645.895894][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2645.895894][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2645.895894][ T74] netlink_rcv_skb+0x130/0x360 [ 2645.895894][ T74] netlink_unicast+0x449/0x710 [ 2645.895894][ T74] netlink_sendmsg+0x723/0xbe0 [ 2645.895894][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2645.895894][ T74] ___sys_sendmsg+0xee/0x170 [ 2645.895894][ T74] __sys_sendmsg+0xcd/0x170 [ 2645.895894][ T74] do_syscall_64+0xc6/0x1e0 [ 2645.895894][ T74] [ 2645.897993][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2645.897993][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2645.897993][ T74] ipv6_find_idev+0x102/0x170 [ 2645.897993][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2645.897993][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2645.897993][ T74] netlink_rcv_skb+0x130/0x360 [ 2645.897993][ T74] netlink_unicast+0x449/0x710 [ 2645.897993][ T74] netlink_sendmsg+0x723/0xbe0 [ 2645.897993][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2645.897993][ T74] ___sys_sendmsg+0xee/0x170 [ 2645.897993][ T74] __sys_sendmsg+0xcd/0x170 [ 2645.897993][ T74] do_syscall_64+0xc6/0x1e0 [ 2645.897993][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2645.897993][ T74] [ 2645.899772][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2645.899772][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2645.899772][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2645.899772][ T74] ipv6_find_idev+0x102/0x170 [ 2645.899772][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2645.899772][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2645.899772][ T74] netlink_rcv_skb+0x130/0x360 [ 2645.899772][ T74] netlink_unicast+0x449/0x710 [ 2645.899772][ T74] netlink_sendmsg+0x723/0xbe0 [ 2645.899772][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2645.899772][ T74] ___sys_sendmsg+0xee/0x170 [ 2645.899772][ T74] __sys_sendmsg+0xcd/0x170 [ 2645.899772][ T74] do_syscall_64+0xc6/0x1e0 [ 2645.899772][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2645.899772][ T74] [ 2645.901871][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2645.902148][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2645.902148][ T74] netdev_get_by_index+0x5e/0x80 [ 2645.902148][ T74] fib6_nh_init+0x3d8/0x1580 [ 2645.902148][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2645.902148][ T74] ip6_route_add+0x1c/0x140 [ 2645.902148][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2645.902148][ T74] inet6_addr_add+0x4f8/0xa40 [ 2645.902148][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2645.902148][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2645.902148][ T74] netlink_rcv_skb+0x130/0x360 [ 2645.902148][ T74] netlink_unicast+0x449/0x710 [ 2645.902148][ T74] netlink_sendmsg+0x723/0xbe0 [ 2645.902148][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2645.902148][ T74] ___sys_sendmsg+0xee/0x170 [ 2645.902148][ T74] __sys_sendmsg+0xcd/0x170 [ 2645.902148][ T74] do_syscall_64+0xc6/0x1e0 [ 2645.902148][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2645.902148][ T74] [ 2645.904473][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2645.904473][ T74] netdev_get_by_index+0x5e/0x80 [ 2645.904473][ T74] fib6_nh_init+0x3d8/0x1580 [ 2645.904473][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2645.904473][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2645.904473][ T74] ipv6_add_addr+0x411/0x2000 [ 2645.904473][ T74] inet6_addr_add+0x30e/0xa40 [ 2645.904473][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2645.904473][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2645.904473][ T74] netlink_rcv_skb+0x130/0x360 [ 2645.904473][ T74] netlink_unicast+0x449/0x710 [ 2645.904473][ T74] netlink_sendmsg+0x723/0xbe0 [ 2645.904473][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2645.904473][ T74] ___sys_sendmsg+0xee/0x170 [ 2645.904473][ T74] __sys_sendmsg+0xcd/0x170 [ 2645.904473][ T74] do_syscall_64+0xc6/0x1e0 [ 2645.904473][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2645.904473][ T74] [ 2645.906687][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2645.906687][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2645.906687][ T74] ipv6_find_idev+0x102/0x170 [ 2645.906687][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2645.906687][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2645.906687][ T74] netlink_rcv_skb+0x130/0x360 [ 2645.906687][ T74] netlink_unicast+0x449/0x710 [ 2645.906687][ T74] netlink_sendmsg+0x723/0xbe0 [ 2645.906687][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2645.906687][ T74] ___sys_sendmsg+0xee/0x170 [ 2645.906687][ T74] __sys_sendmsg+0xcd/0x170 [ 2645.906687][ T74] do_syscall_64+0xc6/0x1e0 [ 2645.906687][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2645.906687][ T74] [ 2645.908398][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2645.908398][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2645.908398][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2645.908398][ T74] ipv6_find_idev+0x102/0x170 [ 2645.908398][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2645.908398][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2645.908398][ T74] netlink_rcv_skb+0x130/0x360 [ 2645.908398][ T74] netlink_unicast+0x449/0x710 [ 2645.908398][ T74] netlink_sendmsg+0x723/0xbe0 [ 2645.908398][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2645.908398][ T74] ___sys_sendmsg+0xee/0x170 [ 2645.908398][ T74] __sys_sendmsg+0xcd/0x170 [ 2645.908398][ T74] do_syscall_64+0xc6/0x1e0 [ 2645.908398][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2645.908398][ T74] [ 2656.095945][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2656.096419][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2656.096419][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2656.096419][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2656.096419][ T74] fib6_nh_init+0xa22/0x1580 [ 2656.096419][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2656.096419][ T74] ip6_route_add+0x1c/0x140 [ 2656.096419][ T74] inet6_rtm_newroute+0x104/0x110 [ 2656.096419][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2656.096419][ T74] netlink_rcv_skb+0x130/0x360 [ 2656.096419][ T74] netlink_unicast+0x449/0x710 [ 2656.096419][ T74] netlink_sendmsg+0x723/0xbe0 [ 2656.096419][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2656.096419][ T74] ___sys_sendmsg+0xee/0x170 [ 2656.096419][ T74] __sys_sendmsg+0xcd/0x170 [ 2656.096419][ T74] do_syscall_64+0xc6/0x1e0 [ 2656.096419][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2656.096419][ T74] [ 2656.099548][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2656.099548][ T74] netdev_get_by_index+0x5e/0x80 [ 2656.099548][ T74] fib6_nh_init+0x3d8/0x1580 [ 2656.099548][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2656.099548][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2656.099548][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2656.099548][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2656.099548][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2656.099548][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2656.099548][ T74] addrconf_dad_begin+0x310/0x670 [ 2656.099548][ T74] addrconf_dad_work+0x10b/0xab0 [ 2656.099548][ T74] process_one_work+0x84d/0x18a0 [ 2656.099548][ T74] worker_thread+0x587/0xd30 [ 2656.099548][ T74] kthread+0x28a/0x350 [ 2656.099548][ T74] ret_from_fork+0x31/0x70 [ 2656.099548][ T74] ret_from_fork_asm+0x1a/0x30 [ 2656.099548][ T74] [ 2656.102685][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2656.102685][ T74] netdev_get_by_index+0x5e/0x80 [ 2656.102685][ T74] fib6_nh_init+0x3d8/0x1580 [ 2656.102685][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2656.102685][ T74] ip6_route_add+0x1c/0x140 [ 2656.102685][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2656.102685][ T74] inet6_addr_add+0x4f8/0xa40 [ 2656.102685][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2656.102685][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2656.102685][ T74] netlink_rcv_skb+0x130/0x360 [ 2656.102685][ T74] netlink_unicast+0x449/0x710 [ 2656.102685][ T74] netlink_sendmsg+0x723/0xbe0 [ 2656.102685][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2656.102685][ T74] ___sys_sendmsg+0xee/0x170 [ 2656.102685][ T74] __sys_sendmsg+0xcd/0x170 [ 2656.102685][ T74] do_syscall_64+0xc6/0x1e0 [ 2656.102685][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2656.102685][ T74] [ 2656.105919][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2656.105919][ T74] netdev_get_by_index+0x5e/0x80 [ 2656.105919][ T74] fib6_nh_init+0x3d8/0x1580 [ 2656.105919][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2656.105919][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2656.105919][ T74] ipv6_add_addr+0x411/0x2000 [ 2656.105919][ T74] inet6_addr_add+0x30e/0xa40 [ 2656.105919][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2656.105919][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2656.105919][ T74] netlink_rcv_skb+0x130/0x360 [ 2656.105919][ T74] netlink_unicast+0x449/0x710 [ 2656.105919][ T74] netlink_sendmsg+0x723/0xbe0 [ 2656.105919][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2656.105919][ T74] ___sys_sendmsg+0xee/0x170 [ 2656.105919][ T74] __sys_sendmsg+0xcd/0x170 [ 2656.105919][ T74] do_syscall_64+0xc6/0x1e0 [ 2656.105919][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2656.105919][ T74] [ 2656.109175][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2656.109175][ T74] netdev_get_by_index+0x5e/0x80 [ 2656.109175][ T74] fib6_nh_init+0x3d8/0x1580 [ 2656.109175][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2656.109175][ T74] ip6_route_add+0x1c/0x140 [ 2656.109175][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2656.109175][ T74] addrconf_add_dev+0xe2/0x170 [ 2656.109175][ T74] inet6_addr_add+0x12f/0xa40 [ 2656.109175][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2656.109175][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2656.109175][ T74] netlink_rcv_skb+0x130/0x360 [ 2656.109175][ T74] netlink_unicast+0x449/0x710 [ 2656.109175][ T74] netlink_sendmsg+0x723/0xbe0 [ 2656.109175][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2656.109175][ T74] ___sys_sendmsg+0xee/0x170 [ 2656.109175][ T74] __sys_sendmsg+0xcd/0x170 [ 2656.109175][ T74] do_syscall_64+0xc6/0x1e0 [ 2656.109175][ T74] [ 2656.112349][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2656.112349][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2656.112349][ T74] ipv6_find_idev+0x102/0x170 [ 2656.112349][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2656.112349][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2656.112349][ T74] netlink_rcv_skb+0x130/0x360 [ 2656.112349][ T74] netlink_unicast+0x449/0x710 [ 2656.112349][ T74] netlink_sendmsg+0x723/0xbe0 [ 2656.112349][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2656.112349][ T74] ___sys_sendmsg+0xee/0x170 [ 2656.112349][ T74] __sys_sendmsg+0xcd/0x170 [ 2656.112349][ T74] do_syscall_64+0xc6/0x1e0 [ 2656.112349][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2656.112349][ T74] [ 2656.114827][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2656.114827][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2656.114827][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2656.114827][ T74] ipv6_find_idev+0x102/0x170 [ 2656.114827][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2656.114827][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2656.114827][ T74] netlink_rcv_skb+0x130/0x360 [ 2656.114827][ T74] netlink_unicast+0x449/0x710 [ 2656.114827][ T74] netlink_sendmsg+0x723/0xbe0 [ 2656.114827][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2656.114827][ T74] ___sys_sendmsg+0xee/0x170 [ 2656.114827][ T74] __sys_sendmsg+0xcd/0x170 [ 2656.114827][ T74] do_syscall_64+0xc6/0x1e0 [ 2656.114827][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2656.114827][ T74] [ 2656.117547][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2656.117995][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2656.117995][ T74] dst_init+0x84/0x4a0 [ 2656.117995][ T74] dst_alloc+0x97/0x150 [ 2656.117995][ T74] ip6_dst_alloc+0x23/0x90 [ 2656.117995][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2656.117995][ T74] ip6_pol_route+0x56f/0x840 [ 2656.117995][ T74] fib6_rule_lookup+0x456/0x630 [ 2656.117995][ T74] ip6_route_input+0x59c/0xa50 [ 2656.117995][ T74] ipv6_rcv+0x397/0x810 [ 2656.117995][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2656.117995][ T74] process_backlog+0x101/0x620 [ 2656.117995][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2656.117995][ T74] net_rx_action+0x495/0xbe0 [ 2656.117995][ T74] __do_softirq+0x1b5/0x7f6 [ 2656.117995][ T74] [ 2656.120621][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2656.120621][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2656.120621][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2656.120621][ T74] fib6_nh_init+0xa22/0x1580 [ 2656.120621][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2656.120621][ T74] ip6_route_add+0x1c/0x140 [ 2656.120621][ T74] inet6_rtm_newroute+0x104/0x110 [ 2656.120621][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2656.120621][ T74] netlink_rcv_skb+0x130/0x360 [ 2656.120621][ T74] netlink_unicast+0x449/0x710 [ 2656.120621][ T74] netlink_sendmsg+0x723/0xbe0 [ 2656.120621][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2656.120621][ T74] ___sys_sendmsg+0xee/0x170 [ 2656.120621][ T74] __sys_sendmsg+0xcd/0x170 [ 2656.120621][ T74] do_syscall_64+0xc6/0x1e0 [ 2656.120621][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2656.120621][ T74] [ 2656.123644][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2656.123644][ T74] netdev_get_by_index+0x5e/0x80 [ 2656.123644][ T74] fib6_nh_init+0x3d8/0x1580 [ 2656.123644][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2656.123644][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2656.123644][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2656.123644][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2656.123644][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2656.123644][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2656.123644][ T74] addrconf_dad_begin+0x310/0x670 [ 2656.123644][ T74] addrconf_dad_work+0x10b/0xab0 [ 2656.123644][ T74] process_one_work+0x84d/0x18a0 [ 2656.123644][ T74] worker_thread+0x587/0xd30 [ 2656.123644][ T74] kthread+0x28a/0x350 [ 2656.123644][ T74] ret_from_fork+0x31/0x70 [ 2656.123644][ T74] ret_from_fork_asm+0x1a/0x30 [ 2656.123644][ T74] [ 2656.126749][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2656.126749][ T74] netdev_get_by_index+0x5e/0x80 [ 2656.126749][ T74] fib6_nh_init+0x3d8/0x1580 [ 2656.126749][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2656.126749][ T74] ip6_route_add+0x1c/0x140 [ 2656.126749][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2656.126749][ T74] inet6_addr_add+0x4f8/0xa40 [ 2656.126749][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2656.126749][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2656.126749][ T74] netlink_rcv_skb+0x130/0x360 [ 2656.126749][ T74] netlink_unicast+0x449/0x710 [ 2656.126749][ T74] netlink_sendmsg+0x723/0xbe0 [ 2656.126749][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2656.126749][ T74] ___sys_sendmsg+0xee/0x170 [ 2656.126749][ T74] __sys_sendmsg+0xcd/0x170 [ 2656.126749][ T74] do_syscall_64+0xc6/0x1e0 [ 2656.126749][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2656.126749][ T74] [ 2656.129966][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2656.129966][ T74] netdev_get_by_index+0x5e/0x80 [ 2656.129966][ T74] fib6_nh_init+0x3d8/0x1580 [ 2656.129966][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2656.129966][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2656.129966][ T74] ipv6_add_addr+0x411/0x2000 [ 2656.129966][ T74] inet6_addr_add+0x30e/0xa40 [ 2656.129966][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2656.129966][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2656.129966][ T74] netlink_rcv_skb+0x130/0x360 [ 2656.129966][ T74] netlink_unicast+0x449/0x710 [ 2656.129966][ T74] netlink_sendmsg+0x723/0xbe0 [ 2656.129966][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2656.129966][ T74] ___sys_sendmsg+0xee/0x170 [ 2656.129966][ T74] __sys_sendmsg+0xcd/0x170 [ 2656.129966][ T74] do_syscall_64+0xc6/0x1e0 [ 2656.129966][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2656.129966][ T74] [ 2656.133163][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2656.133163][ T74] netdev_get_by_index+0x5e/0x80 [ 2656.133163][ T74] fib6_nh_init+0x3d8/0x1580 [ 2656.133163][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2656.133163][ T74] ip6_route_add+0x1c/0x140 [ 2656.133163][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2656.133163][ T74] addrconf_add_dev+0xe2/0x170 [ 2656.133163][ T74] inet6_addr_add+0x12f/0xa40 [ 2656.133163][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2656.133163][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2656.133163][ T74] netlink_rcv_skb+0x130/0x360 [ 2656.133163][ T74] netlink_unicast+0x449/0x710 [ 2656.133163][ T74] netlink_sendmsg+0x723/0xbe0 [ 2656.133163][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2656.133163][ T74] ___sys_sendmsg+0xee/0x170 [ 2656.133163][ T74] __sys_sendmsg+0xcd/0x170 [ 2656.133163][ T74] do_syscall_64+0xc6/0x1e0 [ 2656.133163][ T74] [ 2656.136309][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2656.136309][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2656.136309][ T74] ipv6_find_idev+0x102/0x170 [ 2656.136309][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2656.136309][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2656.136309][ T74] netlink_rcv_skb+0x130/0x360 [ 2656.136309][ T74] netlink_unicast+0x449/0x710 [ 2656.136309][ T74] netlink_sendmsg+0x723/0xbe0 [ 2656.136309][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2656.136309][ T74] ___sys_sendmsg+0xee/0x170 [ 2656.136309][ T74] __sys_sendmsg+0xcd/0x170 [ 2656.136309][ T74] do_syscall_64+0xc6/0x1e0 [ 2656.136309][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2656.136309][ T74] [ 2656.139001][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2656.139001][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2656.139001][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2656.139001][ T74] ipv6_find_idev+0x102/0x170 [ 2656.139001][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2656.139001][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2656.139001][ T74] netlink_rcv_skb+0x130/0x360 [ 2656.139001][ T74] netlink_unicast+0x449/0x710 [ 2656.139001][ T74] netlink_sendmsg+0x723/0xbe0 [ 2656.139001][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2656.139001][ T74] ___sys_sendmsg+0xee/0x170 [ 2656.139001][ T74] __sys_sendmsg+0xcd/0x170 [ 2656.139001][ T74] do_syscall_64+0xc6/0x1e0 [ 2656.139001][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2656.139001][ T74] [ 2656.142107][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2656.142488][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2656.142488][ T74] netdev_get_by_index+0x5e/0x80 [ 2656.142488][ T74] fib6_nh_init+0x3d8/0x1580 [ 2656.142488][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2656.142488][ T74] ip6_route_add+0x1c/0x140 [ 2656.142488][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2656.142488][ T74] inet6_addr_add+0x4f8/0xa40 [ 2656.142488][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2656.142488][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2656.142488][ T74] netlink_rcv_skb+0x130/0x360 [ 2656.142488][ T74] netlink_unicast+0x449/0x710 [ 2656.142488][ T74] netlink_sendmsg+0x723/0xbe0 [ 2656.142488][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2656.142488][ T74] ___sys_sendmsg+0xee/0x170 [ 2656.142488][ T74] __sys_sendmsg+0xcd/0x170 [ 2656.142488][ T74] do_syscall_64+0xc6/0x1e0 [ 2656.142488][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2656.142488][ T74] [ 2656.146051][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2656.146051][ T74] netdev_get_by_index+0x5e/0x80 [ 2656.146051][ T74] fib6_nh_init+0x3d8/0x1580 [ 2656.146051][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2656.146051][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2656.146051][ T74] ipv6_add_addr+0x411/0x2000 [ 2656.146051][ T74] inet6_addr_add+0x30e/0xa40 [ 2656.146051][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2656.146051][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2656.146051][ T74] netlink_rcv_skb+0x130/0x360 [ 2656.146051][ T74] netlink_unicast+0x449/0x710 [ 2656.146051][ T74] netlink_sendmsg+0x723/0xbe0 [ 2656.146051][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2656.146051][ T74] ___sys_sendmsg+0xee/0x170 [ 2656.146051][ T74] __sys_sendmsg+0xcd/0x170 [ 2656.146051][ T74] do_syscall_64+0xc6/0x1e0 [ 2656.146051][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2656.146051][ T74] [ 2656.149712][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2656.149712][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2656.149712][ T74] ipv6_find_idev+0x102/0x170 [ 2656.149712][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2656.149712][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2656.149712][ T74] netlink_rcv_skb+0x130/0x360 [ 2656.149712][ T74] netlink_unicast+0x449/0x710 [ 2656.149712][ T74] netlink_sendmsg+0x723/0xbe0 [ 2656.149712][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2656.149712][ T74] ___sys_sendmsg+0xee/0x170 [ 2656.149712][ T74] __sys_sendmsg+0xcd/0x170 [ 2656.149712][ T74] do_syscall_64+0xc6/0x1e0 [ 2656.149712][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2656.149712][ T74] [ 2656.152398][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2656.152398][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2656.152398][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2656.152398][ T74] ipv6_find_idev+0x102/0x170 [ 2656.152398][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2656.152398][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2656.152398][ T74] netlink_rcv_skb+0x130/0x360 [ 2656.152398][ T74] netlink_unicast+0x449/0x710 [ 2656.152398][ T74] netlink_sendmsg+0x723/0xbe0 [ 2656.152398][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2656.152398][ T74] ___sys_sendmsg+0xee/0x170 [ 2656.152398][ T74] __sys_sendmsg+0xcd/0x170 [ 2656.152398][ T74] do_syscall_64+0xc6/0x1e0 [ 2656.152398][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2656.152398][ T74] [ 2666.391966][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2666.392335][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2666.392335][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2666.392335][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2666.392335][ T74] fib6_nh_init+0xa22/0x1580 [ 2666.392335][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2666.392335][ T74] ip6_route_add+0x1c/0x140 [ 2666.392335][ T74] inet6_rtm_newroute+0x104/0x110 [ 2666.392335][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2666.392335][ T74] netlink_rcv_skb+0x130/0x360 [ 2666.392335][ T74] netlink_unicast+0x449/0x710 [ 2666.392335][ T74] netlink_sendmsg+0x723/0xbe0 [ 2666.392335][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2666.392335][ T74] ___sys_sendmsg+0xee/0x170 [ 2666.392335][ T74] __sys_sendmsg+0xcd/0x170 [ 2666.392335][ T74] do_syscall_64+0xc6/0x1e0 [ 2666.392335][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2666.392335][ T74] [ 2666.394292][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2666.394292][ T74] netdev_get_by_index+0x5e/0x80 [ 2666.394292][ T74] fib6_nh_init+0x3d8/0x1580 [ 2666.394292][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2666.394292][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2666.394292][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2666.394292][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2666.394292][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2666.394292][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2666.394292][ T74] addrconf_dad_begin+0x310/0x670 [ 2666.394292][ T74] addrconf_dad_work+0x10b/0xab0 [ 2666.394292][ T74] process_one_work+0x84d/0x18a0 [ 2666.394292][ T74] worker_thread+0x587/0xd30 [ 2666.394292][ T74] kthread+0x28a/0x350 [ 2666.394292][ T74] ret_from_fork+0x31/0x70 [ 2666.394292][ T74] ret_from_fork_asm+0x1a/0x30 [ 2666.394292][ T74] [ 2666.396264][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2666.396264][ T74] netdev_get_by_index+0x5e/0x80 [ 2666.396264][ T74] fib6_nh_init+0x3d8/0x1580 [ 2666.396264][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2666.396264][ T74] ip6_route_add+0x1c/0x140 [ 2666.396264][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2666.396264][ T74] inet6_addr_add+0x4f8/0xa40 [ 2666.396264][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2666.396264][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2666.396264][ T74] netlink_rcv_skb+0x130/0x360 [ 2666.396264][ T74] netlink_unicast+0x449/0x710 [ 2666.396264][ T74] netlink_sendmsg+0x723/0xbe0 [ 2666.396264][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2666.396264][ T74] ___sys_sendmsg+0xee/0x170 [ 2666.396264][ T74] __sys_sendmsg+0xcd/0x170 [ 2666.396264][ T74] do_syscall_64+0xc6/0x1e0 [ 2666.396264][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2666.396264][ T74] [ 2666.398294][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2666.398294][ T74] netdev_get_by_index+0x5e/0x80 [ 2666.398294][ T74] fib6_nh_init+0x3d8/0x1580 [ 2666.398294][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2666.398294][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2666.398294][ T74] ipv6_add_addr+0x411/0x2000 [ 2666.398294][ T74] inet6_addr_add+0x30e/0xa40 [ 2666.398294][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2666.398294][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2666.398294][ T74] netlink_rcv_skb+0x130/0x360 [ 2666.398294][ T74] netlink_unicast+0x449/0x710 [ 2666.398294][ T74] netlink_sendmsg+0x723/0xbe0 [ 2666.398294][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2666.398294][ T74] ___sys_sendmsg+0xee/0x170 [ 2666.398294][ T74] __sys_sendmsg+0xcd/0x170 [ 2666.398294][ T74] do_syscall_64+0xc6/0x1e0 [ 2666.398294][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2666.398294][ T74] [ 2666.400337][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2666.400337][ T74] netdev_get_by_index+0x5e/0x80 [ 2666.400337][ T74] fib6_nh_init+0x3d8/0x1580 [ 2666.400337][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2666.400337][ T74] ip6_route_add+0x1c/0x140 [ 2666.400337][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2666.400337][ T74] addrconf_add_dev+0xe2/0x170 [ 2666.400337][ T74] inet6_addr_add+0x12f/0xa40 [ 2666.400337][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2666.400337][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2666.400337][ T74] netlink_rcv_skb+0x130/0x360 [ 2666.400337][ T74] netlink_unicast+0x449/0x710 [ 2666.400337][ T74] netlink_sendmsg+0x723/0xbe0 [ 2666.400337][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2666.400337][ T74] ___sys_sendmsg+0xee/0x170 [ 2666.400337][ T74] __sys_sendmsg+0xcd/0x170 [ 2666.400337][ T74] do_syscall_64+0xc6/0x1e0 [ 2666.400337][ T74] [ 2666.402344][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2666.402344][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2666.402344][ T74] ipv6_find_idev+0x102/0x170 [ 2666.402344][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2666.402344][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2666.402344][ T74] netlink_rcv_skb+0x130/0x360 [ 2666.402344][ T74] netlink_unicast+0x449/0x710 [ 2666.402344][ T74] netlink_sendmsg+0x723/0xbe0 [ 2666.402344][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2666.402344][ T74] ___sys_sendmsg+0xee/0x170 [ 2666.402344][ T74] __sys_sendmsg+0xcd/0x170 [ 2666.402344][ T74] do_syscall_64+0xc6/0x1e0 [ 2666.402344][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2666.402344][ T74] [ 2666.404421][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2666.404421][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2666.404421][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2666.404421][ T74] ipv6_find_idev+0x102/0x170 [ 2666.404421][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2666.404421][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2666.404421][ T74] netlink_rcv_skb+0x130/0x360 [ 2666.404421][ T74] netlink_unicast+0x449/0x710 [ 2666.404421][ T74] netlink_sendmsg+0x723/0xbe0 [ 2666.404421][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2666.404421][ T74] ___sys_sendmsg+0xee/0x170 [ 2666.404421][ T74] __sys_sendmsg+0xcd/0x170 [ 2666.404421][ T74] do_syscall_64+0xc6/0x1e0 [ 2666.404421][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2666.404421][ T74] [ 2666.406146][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2666.406421][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2666.406421][ T74] dst_init+0x84/0x4a0 [ 2666.406421][ T74] dst_alloc+0x97/0x150 [ 2666.406421][ T74] ip6_dst_alloc+0x23/0x90 [ 2666.406421][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2666.406421][ T74] ip6_pol_route+0x56f/0x840 [ 2666.406421][ T74] fib6_rule_lookup+0x456/0x630 [ 2666.406421][ T74] ip6_route_input+0x59c/0xa50 [ 2666.406421][ T74] ipv6_rcv+0x397/0x810 [ 2666.406421][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2666.406421][ T74] process_backlog+0x101/0x620 [ 2666.406421][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2666.406421][ T74] net_rx_action+0x495/0xbe0 [ 2666.406421][ T74] __do_softirq+0x1b5/0x7f6 [ 2666.406421][ T74] [ 2666.408082][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2666.408082][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2666.408082][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2666.408082][ T74] fib6_nh_init+0xa22/0x1580 [ 2666.408082][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2666.408082][ T74] ip6_route_add+0x1c/0x140 [ 2666.408082][ T74] inet6_rtm_newroute+0x104/0x110 [ 2666.408082][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2666.408082][ T74] netlink_rcv_skb+0x130/0x360 [ 2666.408082][ T74] netlink_unicast+0x449/0x710 [ 2666.408082][ T74] netlink_sendmsg+0x723/0xbe0 [ 2666.408082][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2666.408082][ T74] ___sys_sendmsg+0xee/0x170 [ 2666.408082][ T74] __sys_sendmsg+0xcd/0x170 [ 2666.408082][ T74] do_syscall_64+0xc6/0x1e0 [ 2666.408082][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2666.408082][ T74] [ 2666.409985][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2666.409985][ T74] netdev_get_by_index+0x5e/0x80 [ 2666.409985][ T74] fib6_nh_init+0x3d8/0x1580 [ 2666.409985][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2666.409985][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2666.409985][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2666.409985][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2666.409985][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2666.409985][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2666.409985][ T74] addrconf_dad_begin+0x310/0x670 [ 2666.409985][ T74] addrconf_dad_work+0x10b/0xab0 [ 2666.409985][ T74] process_one_work+0x84d/0x18a0 [ 2666.409985][ T74] worker_thread+0x587/0xd30 [ 2666.409985][ T74] kthread+0x28a/0x350 [ 2666.409985][ T74] ret_from_fork+0x31/0x70 [ 2666.409985][ T74] ret_from_fork_asm+0x1a/0x30 [ 2666.409985][ T74] [ 2666.411936][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2666.411936][ T74] netdev_get_by_index+0x5e/0x80 [ 2666.411936][ T74] fib6_nh_init+0x3d8/0x1580 [ 2666.411936][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2666.411936][ T74] ip6_route_add+0x1c/0x140 [ 2666.411936][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2666.411936][ T74] inet6_addr_add+0x4f8/0xa40 [ 2666.411936][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2666.411936][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2666.411936][ T74] netlink_rcv_skb+0x130/0x360 [ 2666.411936][ T74] netlink_unicast+0x449/0x710 [ 2666.411936][ T74] netlink_sendmsg+0x723/0xbe0 [ 2666.411936][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2666.411936][ T74] ___sys_sendmsg+0xee/0x170 [ 2666.411936][ T74] __sys_sendmsg+0xcd/0x170 [ 2666.411936][ T74] do_syscall_64+0xc6/0x1e0 [ 2666.411936][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2666.411936][ T74] [ 2666.413950][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2666.413950][ T74] netdev_get_by_index+0x5e/0x80 [ 2666.413950][ T74] fib6_nh_init+0x3d8/0x1580 [ 2666.413950][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2666.413950][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2666.413950][ T74] ipv6_add_addr+0x411/0x2000 [ 2666.413950][ T74] inet6_addr_add+0x30e/0xa40 [ 2666.413950][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2666.413950][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2666.413950][ T74] netlink_rcv_skb+0x130/0x360 [ 2666.413950][ T74] netlink_unicast+0x449/0x710 [ 2666.413950][ T74] netlink_sendmsg+0x723/0xbe0 [ 2666.413950][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2666.413950][ T74] ___sys_sendmsg+0xee/0x170 [ 2666.413950][ T74] __sys_sendmsg+0xcd/0x170 [ 2666.413950][ T74] do_syscall_64+0xc6/0x1e0 [ 2666.413950][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2666.413950][ T74] [ 2666.415977][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2666.415977][ T74] netdev_get_by_index+0x5e/0x80 [ 2666.415977][ T74] fib6_nh_init+0x3d8/0x1580 [ 2666.415977][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2666.415977][ T74] ip6_route_add+0x1c/0x140 [ 2666.415977][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2666.415977][ T74] addrconf_add_dev+0xe2/0x170 [ 2666.415977][ T74] inet6_addr_add+0x12f/0xa40 [ 2666.415977][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2666.415977][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2666.415977][ T74] netlink_rcv_skb+0x130/0x360 [ 2666.415977][ T74] netlink_unicast+0x449/0x710 [ 2666.415977][ T74] netlink_sendmsg+0x723/0xbe0 [ 2666.415977][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2666.415977][ T74] ___sys_sendmsg+0xee/0x170 [ 2666.415977][ T74] __sys_sendmsg+0xcd/0x170 [ 2666.415977][ T74] do_syscall_64+0xc6/0x1e0 [ 2666.415977][ T74] [ 2666.417983][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2666.417983][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2666.417983][ T74] ipv6_find_idev+0x102/0x170 [ 2666.417983][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2666.417983][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2666.417983][ T74] netlink_rcv_skb+0x130/0x360 [ 2666.417983][ T74] netlink_unicast+0x449/0x710 [ 2666.417983][ T74] netlink_sendmsg+0x723/0xbe0 [ 2666.417983][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2666.417983][ T74] ___sys_sendmsg+0xee/0x170 [ 2666.417983][ T74] __sys_sendmsg+0xcd/0x170 [ 2666.417983][ T74] do_syscall_64+0xc6/0x1e0 [ 2666.417983][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2666.417983][ T74] [ 2666.419689][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2666.419689][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2666.419689][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2666.419689][ T74] ipv6_find_idev+0x102/0x170 [ 2666.419689][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2666.419689][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2666.419689][ T74] netlink_rcv_skb+0x130/0x360 [ 2666.419689][ T74] netlink_unicast+0x449/0x710 [ 2666.419689][ T74] netlink_sendmsg+0x723/0xbe0 [ 2666.419689][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2666.419689][ T74] ___sys_sendmsg+0xee/0x170 [ 2666.419689][ T74] __sys_sendmsg+0xcd/0x170 [ 2666.419689][ T74] do_syscall_64+0xc6/0x1e0 [ 2666.419689][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2666.419689][ T74] [ 2666.421708][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2666.421965][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2666.421965][ T74] netdev_get_by_index+0x5e/0x80 [ 2666.421965][ T74] fib6_nh_init+0x3d8/0x1580 [ 2666.421965][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2666.421965][ T74] ip6_route_add+0x1c/0x140 [ 2666.421965][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2666.421965][ T74] inet6_addr_add+0x4f8/0xa40 [ 2666.421965][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2666.421965][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2666.421965][ T74] netlink_rcv_skb+0x130/0x360 [ 2666.421965][ T74] netlink_unicast+0x449/0x710 [ 2666.421965][ T74] netlink_sendmsg+0x723/0xbe0 [ 2666.421965][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2666.421965][ T74] ___sys_sendmsg+0xee/0x170 [ 2666.421965][ T74] __sys_sendmsg+0xcd/0x170 [ 2666.421965][ T74] do_syscall_64+0xc6/0x1e0 [ 2666.421965][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2666.421965][ T74] [ 2666.424618][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2666.424618][ T74] netdev_get_by_index+0x5e/0x80 [ 2666.424618][ T74] fib6_nh_init+0x3d8/0x1580 [ 2666.424618][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2666.424618][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2666.424618][ T74] ipv6_add_addr+0x411/0x2000 [ 2666.424618][ T74] inet6_addr_add+0x30e/0xa40 [ 2666.424618][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2666.424618][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2666.424618][ T74] netlink_rcv_skb+0x130/0x360 [ 2666.424618][ T74] netlink_unicast+0x449/0x710 [ 2666.424618][ T74] netlink_sendmsg+0x723/0xbe0 [ 2666.424618][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2666.424618][ T74] ___sys_sendmsg+0xee/0x170 [ 2666.424618][ T74] __sys_sendmsg+0xcd/0x170 [ 2666.424618][ T74] do_syscall_64+0xc6/0x1e0 [ 2666.424618][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2666.424618][ T74] [ 2666.426879][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2666.426879][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2666.426879][ T74] ipv6_find_idev+0x102/0x170 [ 2666.426879][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2666.426879][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2666.426879][ T74] netlink_rcv_skb+0x130/0x360 [ 2666.426879][ T74] netlink_unicast+0x449/0x710 [ 2666.426879][ T74] netlink_sendmsg+0x723/0xbe0 [ 2666.426879][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2666.426879][ T74] ___sys_sendmsg+0xee/0x170 [ 2666.426879][ T74] __sys_sendmsg+0xcd/0x170 [ 2666.426879][ T74] do_syscall_64+0xc6/0x1e0 [ 2666.426879][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2666.426879][ T74] [ 2666.428550][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2666.428550][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2666.428550][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2666.428550][ T74] ipv6_find_idev+0x102/0x170 [ 2666.428550][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2666.428550][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2666.428550][ T74] netlink_rcv_skb+0x130/0x360 [ 2666.428550][ T74] netlink_unicast+0x449/0x710 [ 2666.428550][ T74] netlink_sendmsg+0x723/0xbe0 [ 2666.428550][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2666.428550][ T74] ___sys_sendmsg+0xee/0x170 [ 2666.428550][ T74] __sys_sendmsg+0xcd/0x170 [ 2666.428550][ T74] do_syscall_64+0xc6/0x1e0 [ 2666.428550][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2666.428550][ T74] [ 2676.671971][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2676.672349][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2676.672349][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2676.672349][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2676.672349][ T74] fib6_nh_init+0xa22/0x1580 [ 2676.672349][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2676.672349][ T74] ip6_route_add+0x1c/0x140 [ 2676.672349][ T74] inet6_rtm_newroute+0x104/0x110 [ 2676.672349][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.672349][ T74] netlink_rcv_skb+0x130/0x360 [ 2676.672349][ T74] netlink_unicast+0x449/0x710 [ 2676.672349][ T74] netlink_sendmsg+0x723/0xbe0 [ 2676.672349][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2676.672349][ T74] ___sys_sendmsg+0xee/0x170 [ 2676.672349][ T74] __sys_sendmsg+0xcd/0x170 [ 2676.672349][ T74] do_syscall_64+0xc6/0x1e0 [ 2676.672349][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2676.672349][ T74] [ 2676.674246][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2676.674246][ T74] netdev_get_by_index+0x5e/0x80 [ 2676.674246][ T74] fib6_nh_init+0x3d8/0x1580 [ 2676.674246][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2676.674246][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2676.674246][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2676.674246][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2676.674246][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2676.674246][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2676.674246][ T74] addrconf_dad_begin+0x310/0x670 [ 2676.674246][ T74] addrconf_dad_work+0x10b/0xab0 [ 2676.674246][ T74] process_one_work+0x84d/0x18a0 [ 2676.674246][ T74] worker_thread+0x587/0xd30 [ 2676.674246][ T74] kthread+0x28a/0x350 [ 2676.674246][ T74] ret_from_fork+0x31/0x70 [ 2676.674246][ T74] ret_from_fork_asm+0x1a/0x30 [ 2676.674246][ T74] [ 2676.676183][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2676.676183][ T74] netdev_get_by_index+0x5e/0x80 [ 2676.676183][ T74] fib6_nh_init+0x3d8/0x1580 [ 2676.676183][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2676.676183][ T74] ip6_route_add+0x1c/0x140 [ 2676.676183][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2676.676183][ T74] inet6_addr_add+0x4f8/0xa40 [ 2676.676183][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2676.676183][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.676183][ T74] netlink_rcv_skb+0x130/0x360 [ 2676.676183][ T74] netlink_unicast+0x449/0x710 [ 2676.676183][ T74] netlink_sendmsg+0x723/0xbe0 [ 2676.676183][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2676.676183][ T74] ___sys_sendmsg+0xee/0x170 [ 2676.676183][ T74] __sys_sendmsg+0xcd/0x170 [ 2676.676183][ T74] do_syscall_64+0xc6/0x1e0 [ 2676.676183][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2676.676183][ T74] [ 2676.678192][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2676.678192][ T74] netdev_get_by_index+0x5e/0x80 [ 2676.678192][ T74] fib6_nh_init+0x3d8/0x1580 [ 2676.678192][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2676.678192][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2676.678192][ T74] ipv6_add_addr+0x411/0x2000 [ 2676.678192][ T74] inet6_addr_add+0x30e/0xa40 [ 2676.678192][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2676.678192][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.678192][ T74] netlink_rcv_skb+0x130/0x360 [ 2676.678192][ T74] netlink_unicast+0x449/0x710 [ 2676.678192][ T74] netlink_sendmsg+0x723/0xbe0 [ 2676.678192][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2676.678192][ T74] ___sys_sendmsg+0xee/0x170 [ 2676.678192][ T74] __sys_sendmsg+0xcd/0x170 [ 2676.678192][ T74] do_syscall_64+0xc6/0x1e0 [ 2676.678192][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2676.678192][ T74] [ 2676.680194][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2676.680194][ T74] netdev_get_by_index+0x5e/0x80 [ 2676.680194][ T74] fib6_nh_init+0x3d8/0x1580 [ 2676.680194][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2676.680194][ T74] ip6_route_add+0x1c/0x140 [ 2676.680194][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2676.680194][ T74] addrconf_add_dev+0xe2/0x170 [ 2676.680194][ T74] inet6_addr_add+0x12f/0xa40 [ 2676.680194][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2676.680194][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.680194][ T74] netlink_rcv_skb+0x130/0x360 [ 2676.680194][ T74] netlink_unicast+0x449/0x710 [ 2676.680194][ T74] netlink_sendmsg+0x723/0xbe0 [ 2676.680194][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2676.680194][ T74] ___sys_sendmsg+0xee/0x170 [ 2676.680194][ T74] __sys_sendmsg+0xcd/0x170 [ 2676.680194][ T74] do_syscall_64+0xc6/0x1e0 [ 2676.680194][ T74] [ 2676.682154][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2676.682154][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2676.682154][ T74] ipv6_find_idev+0x102/0x170 [ 2676.682154][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2676.682154][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.682154][ T74] netlink_rcv_skb+0x130/0x360 [ 2676.682154][ T74] netlink_unicast+0x449/0x710 [ 2676.682154][ T74] netlink_sendmsg+0x723/0xbe0 [ 2676.682154][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2676.682154][ T74] ___sys_sendmsg+0xee/0x170 [ 2676.682154][ T74] __sys_sendmsg+0xcd/0x170 [ 2676.682154][ T74] do_syscall_64+0xc6/0x1e0 [ 2676.682154][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2676.682154][ T74] [ 2676.683693][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2676.683693][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2676.683693][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2676.683693][ T74] ipv6_find_idev+0x102/0x170 [ 2676.683693][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2676.683693][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.683693][ T74] netlink_rcv_skb+0x130/0x360 [ 2676.683693][ T74] netlink_unicast+0x449/0x710 [ 2676.683693][ T74] netlink_sendmsg+0x723/0xbe0 [ 2676.683693][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2676.683693][ T74] ___sys_sendmsg+0xee/0x170 [ 2676.683693][ T74] __sys_sendmsg+0xcd/0x170 [ 2676.683693][ T74] do_syscall_64+0xc6/0x1e0 [ 2676.683693][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2676.683693][ T74] [ 2676.685370][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2676.685641][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2676.685641][ T74] dst_init+0x84/0x4a0 [ 2676.685641][ T74] dst_alloc+0x97/0x150 [ 2676.685641][ T74] ip6_dst_alloc+0x23/0x90 [ 2676.685641][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2676.685641][ T74] ip6_pol_route+0x56f/0x840 [ 2676.685641][ T74] fib6_rule_lookup+0x456/0x630 [ 2676.685641][ T74] ip6_route_input+0x59c/0xa50 [ 2676.685641][ T74] ipv6_rcv+0x397/0x810 [ 2676.685641][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2676.685641][ T74] process_backlog+0x101/0x620 [ 2676.685641][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2676.685641][ T74] net_rx_action+0x495/0xbe0 [ 2676.685641][ T74] __do_softirq+0x1b5/0x7f6 [ 2676.685641][ T74] [ 2676.687282][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2676.687282][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2676.687282][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2676.687282][ T74] fib6_nh_init+0xa22/0x1580 [ 2676.687282][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2676.687282][ T74] ip6_route_add+0x1c/0x140 [ 2676.687282][ T74] inet6_rtm_newroute+0x104/0x110 [ 2676.687282][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.687282][ T74] netlink_rcv_skb+0x130/0x360 [ 2676.687282][ T74] netlink_unicast+0x449/0x710 [ 2676.687282][ T74] netlink_sendmsg+0x723/0xbe0 [ 2676.687282][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2676.687282][ T74] ___sys_sendmsg+0xee/0x170 [ 2676.687282][ T74] __sys_sendmsg+0xcd/0x170 [ 2676.687282][ T74] do_syscall_64+0xc6/0x1e0 [ 2676.687282][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2676.687282][ T74] [ 2676.689147][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2676.689147][ T74] netdev_get_by_index+0x5e/0x80 [ 2676.689147][ T74] fib6_nh_init+0x3d8/0x1580 [ 2676.689147][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2676.689147][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2676.689147][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2676.689147][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2676.689147][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2676.689147][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2676.689147][ T74] addrconf_dad_begin+0x310/0x670 [ 2676.689147][ T74] addrconf_dad_work+0x10b/0xab0 [ 2676.689147][ T74] process_one_work+0x84d/0x18a0 [ 2676.689147][ T74] worker_thread+0x587/0xd30 [ 2676.689147][ T74] kthread+0x28a/0x350 [ 2676.689147][ T74] ret_from_fork+0x31/0x70 [ 2676.689147][ T74] ret_from_fork_asm+0x1a/0x30 [ 2676.689147][ T74] [ 2676.691070][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2676.691070][ T74] netdev_get_by_index+0x5e/0x80 [ 2676.691070][ T74] fib6_nh_init+0x3d8/0x1580 [ 2676.691070][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2676.691070][ T74] ip6_route_add+0x1c/0x140 [ 2676.691070][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2676.691070][ T74] inet6_addr_add+0x4f8/0xa40 [ 2676.691070][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2676.691070][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.691070][ T74] netlink_rcv_skb+0x130/0x360 [ 2676.691070][ T74] netlink_unicast+0x449/0x710 [ 2676.691070][ T74] netlink_sendmsg+0x723/0xbe0 [ 2676.691070][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2676.691070][ T74] ___sys_sendmsg+0xee/0x170 [ 2676.691070][ T74] __sys_sendmsg+0xcd/0x170 [ 2676.691070][ T74] do_syscall_64+0xc6/0x1e0 [ 2676.691070][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2676.691070][ T74] [ 2676.693454][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2676.693454][ T74] netdev_get_by_index+0x5e/0x80 [ 2676.693454][ T74] fib6_nh_init+0x3d8/0x1580 [ 2676.693454][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2676.693454][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2676.693454][ T74] ipv6_add_addr+0x411/0x2000 [ 2676.693454][ T74] inet6_addr_add+0x30e/0xa40 [ 2676.693454][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2676.693454][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.693454][ T74] netlink_rcv_skb+0x130/0x360 [ 2676.693454][ T74] netlink_unicast+0x449/0x710 [ 2676.693454][ T74] netlink_sendmsg+0x723/0xbe0 [ 2676.693454][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2676.693454][ T74] ___sys_sendmsg+0xee/0x170 [ 2676.693454][ T74] __sys_sendmsg+0xcd/0x170 [ 2676.693454][ T74] do_syscall_64+0xc6/0x1e0 [ 2676.693454][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2676.693454][ T74] [ 2676.695487][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2676.695487][ T74] netdev_get_by_index+0x5e/0x80 [ 2676.695487][ T74] fib6_nh_init+0x3d8/0x1580 [ 2676.695487][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2676.695487][ T74] ip6_route_add+0x1c/0x140 [ 2676.695487][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2676.695487][ T74] addrconf_add_dev+0xe2/0x170 [ 2676.695487][ T74] inet6_addr_add+0x12f/0xa40 [ 2676.695487][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2676.695487][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.695487][ T74] netlink_rcv_skb+0x130/0x360 [ 2676.695487][ T74] netlink_unicast+0x449/0x710 [ 2676.695487][ T74] netlink_sendmsg+0x723/0xbe0 [ 2676.695487][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2676.695487][ T74] ___sys_sendmsg+0xee/0x170 [ 2676.695487][ T74] __sys_sendmsg+0xcd/0x170 [ 2676.695487][ T74] do_syscall_64+0xc6/0x1e0 [ 2676.695487][ T74] [ 2676.697455][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2676.697455][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2676.697455][ T74] ipv6_find_idev+0x102/0x170 [ 2676.697455][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2676.697455][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.697455][ T74] netlink_rcv_skb+0x130/0x360 [ 2676.697455][ T74] netlink_unicast+0x449/0x710 [ 2676.697455][ T74] netlink_sendmsg+0x723/0xbe0 [ 2676.697455][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2676.697455][ T74] ___sys_sendmsg+0xee/0x170 [ 2676.697455][ T74] __sys_sendmsg+0xcd/0x170 [ 2676.697455][ T74] do_syscall_64+0xc6/0x1e0 [ 2676.697455][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2676.697455][ T74] [ 2676.699182][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2676.699182][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2676.699182][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2676.699182][ T74] ipv6_find_idev+0x102/0x170 [ 2676.699182][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2676.699182][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.699182][ T74] netlink_rcv_skb+0x130/0x360 [ 2676.699182][ T74] netlink_unicast+0x449/0x710 [ 2676.699182][ T74] netlink_sendmsg+0x723/0xbe0 [ 2676.699182][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2676.699182][ T74] ___sys_sendmsg+0xee/0x170 [ 2676.699182][ T74] __sys_sendmsg+0xcd/0x170 [ 2676.699182][ T74] do_syscall_64+0xc6/0x1e0 [ 2676.699182][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2676.699182][ T74] [ 2676.701043][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2676.701282][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2676.701282][ T74] netdev_get_by_index+0x5e/0x80 [ 2676.701282][ T74] fib6_nh_init+0x3d8/0x1580 [ 2676.701282][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2676.701282][ T74] ip6_route_add+0x1c/0x140 [ 2676.701282][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2676.701282][ T74] inet6_addr_add+0x4f8/0xa40 [ 2676.701282][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2676.701282][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.701282][ T74] netlink_rcv_skb+0x130/0x360 [ 2676.701282][ T74] netlink_unicast+0x449/0x710 [ 2676.701282][ T74] netlink_sendmsg+0x723/0xbe0 [ 2676.701282][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2676.701282][ T74] ___sys_sendmsg+0xee/0x170 [ 2676.701282][ T74] __sys_sendmsg+0xcd/0x170 [ 2676.701282][ T74] do_syscall_64+0xc6/0x1e0 [ 2676.701282][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2676.701282][ T74] [ 2676.703398][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2676.703398][ T74] netdev_get_by_index+0x5e/0x80 [ 2676.703398][ T74] fib6_nh_init+0x3d8/0x1580 [ 2676.703398][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2676.703398][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2676.703398][ T74] ipv6_add_addr+0x411/0x2000 [ 2676.703398][ T74] inet6_addr_add+0x30e/0xa40 [ 2676.703398][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2676.703398][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.703398][ T74] netlink_rcv_skb+0x130/0x360 [ 2676.703398][ T74] netlink_unicast+0x449/0x710 [ 2676.703398][ T74] netlink_sendmsg+0x723/0xbe0 [ 2676.703398][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2676.703398][ T74] ___sys_sendmsg+0xee/0x170 [ 2676.703398][ T74] __sys_sendmsg+0xcd/0x170 [ 2676.703398][ T74] do_syscall_64+0xc6/0x1e0 [ 2676.703398][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2676.703398][ T74] [ 2676.705519][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2676.705519][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2676.705519][ T74] ipv6_find_idev+0x102/0x170 [ 2676.705519][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2676.705519][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.705519][ T74] netlink_rcv_skb+0x130/0x360 [ 2676.705519][ T74] netlink_unicast+0x449/0x710 [ 2676.705519][ T74] netlink_sendmsg+0x723/0xbe0 [ 2676.705519][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2676.705519][ T74] ___sys_sendmsg+0xee/0x170 [ 2676.705519][ T74] __sys_sendmsg+0xcd/0x170 [ 2676.705519][ T74] do_syscall_64+0xc6/0x1e0 [ 2676.705519][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2676.705519][ T74] [ 2676.707131][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2676.707131][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2676.707131][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2676.707131][ T74] ipv6_find_idev+0x102/0x170 [ 2676.707131][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2676.707131][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.707131][ T74] netlink_rcv_skb+0x130/0x360 [ 2676.707131][ T74] netlink_unicast+0x449/0x710 [ 2676.707131][ T74] netlink_sendmsg+0x723/0xbe0 [ 2676.707131][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2676.707131][ T74] ___sys_sendmsg+0xee/0x170 [ 2676.707131][ T74] __sys_sendmsg+0xcd/0x170 [ 2676.707131][ T74] do_syscall_64+0xc6/0x1e0 [ 2676.707131][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2676.707131][ T74] [ 2686.951930][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2686.952384][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2686.952384][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2686.952384][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2686.952384][ T74] fib6_nh_init+0xa22/0x1580 [ 2686.952384][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2686.952384][ T74] ip6_route_add+0x1c/0x140 [ 2686.952384][ T74] inet6_rtm_newroute+0x104/0x110 [ 2686.952384][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2686.952384][ T74] netlink_rcv_skb+0x130/0x360 [ 2686.952384][ T74] netlink_unicast+0x449/0x710 [ 2686.952384][ T74] netlink_sendmsg+0x723/0xbe0 [ 2686.952384][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2686.952384][ T74] ___sys_sendmsg+0xee/0x170 [ 2686.952384][ T74] __sys_sendmsg+0xcd/0x170 [ 2686.952384][ T74] do_syscall_64+0xc6/0x1e0 [ 2686.952384][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2686.952384][ T74] [ 2686.954303][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2686.954303][ T74] netdev_get_by_index+0x5e/0x80 [ 2686.954303][ T74] fib6_nh_init+0x3d8/0x1580 [ 2686.954303][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2686.954303][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2686.954303][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2686.954303][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2686.954303][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2686.954303][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2686.954303][ T74] addrconf_dad_begin+0x310/0x670 [ 2686.954303][ T74] addrconf_dad_work+0x10b/0xab0 [ 2686.954303][ T74] process_one_work+0x84d/0x18a0 [ 2686.954303][ T74] worker_thread+0x587/0xd30 [ 2686.954303][ T74] kthread+0x28a/0x350 [ 2686.954303][ T74] ret_from_fork+0x31/0x70 [ 2686.954303][ T74] ret_from_fork_asm+0x1a/0x30 [ 2686.954303][ T74] [ 2686.956235][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2686.956235][ T74] netdev_get_by_index+0x5e/0x80 [ 2686.956235][ T74] fib6_nh_init+0x3d8/0x1580 [ 2686.956235][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2686.956235][ T74] ip6_route_add+0x1c/0x140 [ 2686.956235][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2686.956235][ T74] inet6_addr_add+0x4f8/0xa40 [ 2686.956235][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2686.956235][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2686.956235][ T74] netlink_rcv_skb+0x130/0x360 [ 2686.956235][ T74] netlink_unicast+0x449/0x710 [ 2686.956235][ T74] netlink_sendmsg+0x723/0xbe0 [ 2686.956235][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2686.956235][ T74] ___sys_sendmsg+0xee/0x170 [ 2686.956235][ T74] __sys_sendmsg+0xcd/0x170 [ 2686.956235][ T74] do_syscall_64+0xc6/0x1e0 [ 2686.956235][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2686.956235][ T74] [ 2686.958250][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2686.958250][ T74] netdev_get_by_index+0x5e/0x80 [ 2686.958250][ T74] fib6_nh_init+0x3d8/0x1580 [ 2686.958250][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2686.958250][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2686.958250][ T74] ipv6_add_addr+0x411/0x2000 [ 2686.958250][ T74] inet6_addr_add+0x30e/0xa40 [ 2686.958250][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2686.958250][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2686.958250][ T74] netlink_rcv_skb+0x130/0x360 [ 2686.958250][ T74] netlink_unicast+0x449/0x710 [ 2686.958250][ T74] netlink_sendmsg+0x723/0xbe0 [ 2686.958250][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2686.958250][ T74] ___sys_sendmsg+0xee/0x170 [ 2686.958250][ T74] __sys_sendmsg+0xcd/0x170 [ 2686.958250][ T74] do_syscall_64+0xc6/0x1e0 [ 2686.958250][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2686.958250][ T74] [ 2686.960269][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2686.960269][ T74] netdev_get_by_index+0x5e/0x80 [ 2686.960269][ T74] fib6_nh_init+0x3d8/0x1580 [ 2686.960269][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2686.960269][ T74] ip6_route_add+0x1c/0x140 [ 2686.960269][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2686.960269][ T74] addrconf_add_dev+0xe2/0x170 [ 2686.960269][ T74] inet6_addr_add+0x12f/0xa40 [ 2686.960269][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2686.960269][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2686.960269][ T74] netlink_rcv_skb+0x130/0x360 [ 2686.960269][ T74] netlink_unicast+0x449/0x710 [ 2686.960269][ T74] netlink_sendmsg+0x723/0xbe0 [ 2686.960269][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2686.960269][ T74] ___sys_sendmsg+0xee/0x170 [ 2686.960269][ T74] __sys_sendmsg+0xcd/0x170 [ 2686.960269][ T74] do_syscall_64+0xc6/0x1e0 [ 2686.960269][ T74] [ 2686.962262][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2686.962262][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2686.962262][ T74] ipv6_find_idev+0x102/0x170 [ 2686.962262][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2686.962262][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2686.962262][ T74] netlink_rcv_skb+0x130/0x360 [ 2686.962262][ T74] netlink_unicast+0x449/0x710 [ 2686.962262][ T74] netlink_sendmsg+0x723/0xbe0 [ 2686.962262][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2686.962262][ T74] ___sys_sendmsg+0xee/0x170 [ 2686.962262][ T74] __sys_sendmsg+0xcd/0x170 [ 2686.962262][ T74] do_syscall_64+0xc6/0x1e0 [ 2686.962262][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2686.962262][ T74] [ 2686.963824][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2686.963824][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2686.963824][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2686.963824][ T74] ipv6_find_idev+0x102/0x170 [ 2686.963824][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2686.963824][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2686.963824][ T74] netlink_rcv_skb+0x130/0x360 [ 2686.963824][ T74] netlink_unicast+0x449/0x710 [ 2686.963824][ T74] netlink_sendmsg+0x723/0xbe0 [ 2686.963824][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2686.963824][ T74] ___sys_sendmsg+0xee/0x170 [ 2686.963824][ T74] __sys_sendmsg+0xcd/0x170 [ 2686.963824][ T74] do_syscall_64+0xc6/0x1e0 [ 2686.963824][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2686.963824][ T74] [ 2686.965556][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2686.965834][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2686.965834][ T74] dst_init+0x84/0x4a0 [ 2686.965834][ T74] dst_alloc+0x97/0x150 [ 2686.965834][ T74] ip6_dst_alloc+0x23/0x90 [ 2686.965834][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2686.965834][ T74] ip6_pol_route+0x56f/0x840 [ 2686.965834][ T74] fib6_rule_lookup+0x456/0x630 [ 2686.965834][ T74] ip6_route_input+0x59c/0xa50 [ 2686.965834][ T74] ipv6_rcv+0x397/0x810 [ 2686.965834][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2686.965834][ T74] process_backlog+0x101/0x620 [ 2686.965834][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2686.965834][ T74] net_rx_action+0x495/0xbe0 [ 2686.965834][ T74] __do_softirq+0x1b5/0x7f6 [ 2686.965834][ T74] [ 2686.967505][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2686.967505][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2686.967505][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2686.967505][ T74] fib6_nh_init+0xa22/0x1580 [ 2686.967505][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2686.967505][ T74] ip6_route_add+0x1c/0x140 [ 2686.967505][ T74] inet6_rtm_newroute+0x104/0x110 [ 2686.967505][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2686.967505][ T74] netlink_rcv_skb+0x130/0x360 [ 2686.967505][ T74] netlink_unicast+0x449/0x710 [ 2686.967505][ T74] netlink_sendmsg+0x723/0xbe0 [ 2686.967505][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2686.967505][ T74] ___sys_sendmsg+0xee/0x170 [ 2686.967505][ T74] __sys_sendmsg+0xcd/0x170 [ 2686.967505][ T74] do_syscall_64+0xc6/0x1e0 [ 2686.967505][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2686.967505][ T74] [ 2686.969422][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2686.969422][ T74] netdev_get_by_index+0x5e/0x80 [ 2686.969422][ T74] fib6_nh_init+0x3d8/0x1580 [ 2686.969422][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2686.969422][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2686.969422][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2686.969422][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2686.969422][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2686.969422][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2686.969422][ T74] addrconf_dad_begin+0x310/0x670 [ 2686.969422][ T74] addrconf_dad_work+0x10b/0xab0 [ 2686.969422][ T74] process_one_work+0x84d/0x18a0 [ 2686.969422][ T74] worker_thread+0x587/0xd30 [ 2686.969422][ T74] kthread+0x28a/0x350 [ 2686.969422][ T74] ret_from_fork+0x31/0x70 [ 2686.969422][ T74] ret_from_fork_asm+0x1a/0x30 [ 2686.969422][ T74] [ 2686.971401][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2686.971401][ T74] netdev_get_by_index+0x5e/0x80 [ 2686.971401][ T74] fib6_nh_init+0x3d8/0x1580 [ 2686.971401][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2686.971401][ T74] ip6_route_add+0x1c/0x140 [ 2686.971401][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2686.971401][ T74] inet6_addr_add+0x4f8/0xa40 [ 2686.971401][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2686.971401][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2686.971401][ T74] netlink_rcv_skb+0x130/0x360 [ 2686.971401][ T74] netlink_unicast+0x449/0x710 [ 2686.971401][ T74] netlink_sendmsg+0x723/0xbe0 [ 2686.971401][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2686.971401][ T74] ___sys_sendmsg+0xee/0x170 [ 2686.971401][ T74] __sys_sendmsg+0xcd/0x170 [ 2686.971401][ T74] do_syscall_64+0xc6/0x1e0 [ 2686.971401][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2686.971401][ T74] [ 2686.973426][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2686.973426][ T74] netdev_get_by_index+0x5e/0x80 [ 2686.973426][ T74] fib6_nh_init+0x3d8/0x1580 [ 2686.973426][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2686.973426][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2686.973426][ T74] ipv6_add_addr+0x411/0x2000 [ 2686.973426][ T74] inet6_addr_add+0x30e/0xa40 [ 2686.973426][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2686.973426][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2686.973426][ T74] netlink_rcv_skb+0x130/0x360 [ 2686.973426][ T74] netlink_unicast+0x449/0x710 [ 2686.973426][ T74] netlink_sendmsg+0x723/0xbe0 [ 2686.973426][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2686.973426][ T74] ___sys_sendmsg+0xee/0x170 [ 2686.973426][ T74] __sys_sendmsg+0xcd/0x170 [ 2686.973426][ T74] do_syscall_64+0xc6/0x1e0 [ 2686.973426][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2686.973426][ T74] [ 2686.975474][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2686.975474][ T74] netdev_get_by_index+0x5e/0x80 [ 2686.975474][ T74] fib6_nh_init+0x3d8/0x1580 [ 2686.975474][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2686.975474][ T74] ip6_route_add+0x1c/0x140 [ 2686.975474][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2686.975474][ T74] addrconf_add_dev+0xe2/0x170 [ 2686.975474][ T74] inet6_addr_add+0x12f/0xa40 [ 2686.975474][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2686.975474][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2686.975474][ T74] netlink_rcv_skb+0x130/0x360 [ 2686.975474][ T74] netlink_unicast+0x449/0x710 [ 2686.975474][ T74] netlink_sendmsg+0x723/0xbe0 [ 2686.975474][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2686.975474][ T74] ___sys_sendmsg+0xee/0x170 [ 2686.975474][ T74] __sys_sendmsg+0xcd/0x170 [ 2686.975474][ T74] do_syscall_64+0xc6/0x1e0 [ 2686.975474][ T74] [ 2686.977474][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2686.977474][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2686.977474][ T74] ipv6_find_idev+0x102/0x170 [ 2686.977474][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2686.977474][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2686.977474][ T74] netlink_rcv_skb+0x130/0x360 [ 2686.977474][ T74] netlink_unicast+0x449/0x710 [ 2686.977474][ T74] netlink_sendmsg+0x723/0xbe0 [ 2686.977474][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2686.977474][ T74] ___sys_sendmsg+0xee/0x170 [ 2686.977474][ T74] __sys_sendmsg+0xcd/0x170 [ 2686.977474][ T74] do_syscall_64+0xc6/0x1e0 [ 2686.977474][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2686.977474][ T74] [ 2686.979237][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2686.979237][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2686.979237][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2686.979237][ T74] ipv6_find_idev+0x102/0x170 [ 2686.979237][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2686.979237][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2686.979237][ T74] netlink_rcv_skb+0x130/0x360 [ 2686.979237][ T74] netlink_unicast+0x449/0x710 [ 2686.979237][ T74] netlink_sendmsg+0x723/0xbe0 [ 2686.979237][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2686.979237][ T74] ___sys_sendmsg+0xee/0x170 [ 2686.979237][ T74] __sys_sendmsg+0xcd/0x170 [ 2686.979237][ T74] do_syscall_64+0xc6/0x1e0 [ 2686.979237][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2686.979237][ T74] [ 2686.981132][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2686.981445][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2686.981445][ T74] netdev_get_by_index+0x5e/0x80 [ 2686.981445][ T74] fib6_nh_init+0x3d8/0x1580 [ 2686.981445][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2686.981445][ T74] ip6_route_add+0x1c/0x140 [ 2686.981445][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2686.981445][ T74] inet6_addr_add+0x4f8/0xa40 [ 2686.981445][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2686.981445][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2686.981445][ T74] netlink_rcv_skb+0x130/0x360 [ 2686.981445][ T74] netlink_unicast+0x449/0x710 [ 2686.981445][ T74] netlink_sendmsg+0x723/0xbe0 [ 2686.981445][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2686.981445][ T74] ___sys_sendmsg+0xee/0x170 [ 2686.981445][ T74] __sys_sendmsg+0xcd/0x170 [ 2686.981445][ T74] do_syscall_64+0xc6/0x1e0 [ 2686.981445][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2686.981445][ T74] [ 2686.983663][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2686.983663][ T74] netdev_get_by_index+0x5e/0x80 [ 2686.983663][ T74] fib6_nh_init+0x3d8/0x1580 [ 2686.983663][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2686.983663][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2686.983663][ T74] ipv6_add_addr+0x411/0x2000 [ 2686.983663][ T74] inet6_addr_add+0x30e/0xa40 [ 2686.983663][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2686.983663][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2686.983663][ T74] netlink_rcv_skb+0x130/0x360 [ 2686.983663][ T74] netlink_unicast+0x449/0x710 [ 2686.983663][ T74] netlink_sendmsg+0x723/0xbe0 [ 2686.983663][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2686.983663][ T74] ___sys_sendmsg+0xee/0x170 [ 2686.983663][ T74] __sys_sendmsg+0xcd/0x170 [ 2686.983663][ T74] do_syscall_64+0xc6/0x1e0 [ 2686.983663][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2686.983663][ T74] [ 2686.985947][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2686.985947][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2686.985947][ T74] ipv6_find_idev+0x102/0x170 [ 2686.985947][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2686.985947][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2686.985947][ T74] netlink_rcv_skb+0x130/0x360 [ 2686.985947][ T74] netlink_unicast+0x449/0x710 [ 2686.985947][ T74] netlink_sendmsg+0x723/0xbe0 [ 2686.985947][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2686.985947][ T74] ___sys_sendmsg+0xee/0x170 [ 2686.985947][ T74] __sys_sendmsg+0xcd/0x170 [ 2686.985947][ T74] do_syscall_64+0xc6/0x1e0 [ 2686.985947][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2686.985947][ T74] [ 2686.987708][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2686.987708][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2686.987708][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2686.987708][ T74] ipv6_find_idev+0x102/0x170 [ 2686.987708][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2686.987708][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2686.987708][ T74] netlink_rcv_skb+0x130/0x360 [ 2686.987708][ T74] netlink_unicast+0x449/0x710 [ 2686.987708][ T74] netlink_sendmsg+0x723/0xbe0 [ 2686.987708][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2686.987708][ T74] ___sys_sendmsg+0xee/0x170 [ 2686.987708][ T74] __sys_sendmsg+0xcd/0x170 [ 2686.987708][ T74] do_syscall_64+0xc6/0x1e0 [ 2686.987708][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2686.987708][ T74] [ 2697.168004][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2697.168378][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2697.168378][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2697.168378][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2697.168378][ T74] fib6_nh_init+0xa22/0x1580 [ 2697.168378][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2697.168378][ T74] ip6_route_add+0x1c/0x140 [ 2697.168378][ T74] inet6_rtm_newroute+0x104/0x110 [ 2697.168378][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.168378][ T74] netlink_rcv_skb+0x130/0x360 [ 2697.168378][ T74] netlink_unicast+0x449/0x710 [ 2697.168378][ T74] netlink_sendmsg+0x723/0xbe0 [ 2697.168378][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2697.168378][ T74] ___sys_sendmsg+0xee/0x170 [ 2697.168378][ T74] __sys_sendmsg+0xcd/0x170 [ 2697.168378][ T74] do_syscall_64+0xc6/0x1e0 [ 2697.168378][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2697.168378][ T74] [ 2697.170342][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2697.170342][ T74] netdev_get_by_index+0x5e/0x80 [ 2697.170342][ T74] fib6_nh_init+0x3d8/0x1580 [ 2697.170342][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2697.170342][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2697.170342][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2697.170342][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2697.170342][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2697.170342][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2697.170342][ T74] addrconf_dad_begin+0x310/0x670 [ 2697.170342][ T74] addrconf_dad_work+0x10b/0xab0 [ 2697.170342][ T74] process_one_work+0x84d/0x18a0 [ 2697.170342][ T74] worker_thread+0x587/0xd30 [ 2697.170342][ T74] kthread+0x28a/0x350 [ 2697.170342][ T74] ret_from_fork+0x31/0x70 [ 2697.170342][ T74] ret_from_fork_asm+0x1a/0x30 [ 2697.170342][ T74] [ 2697.172303][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2697.172303][ T74] netdev_get_by_index+0x5e/0x80 [ 2697.172303][ T74] fib6_nh_init+0x3d8/0x1580 [ 2697.172303][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2697.172303][ T74] ip6_route_add+0x1c/0x140 [ 2697.172303][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2697.172303][ T74] inet6_addr_add+0x4f8/0xa40 [ 2697.172303][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2697.172303][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.172303][ T74] netlink_rcv_skb+0x130/0x360 [ 2697.172303][ T74] netlink_unicast+0x449/0x710 [ 2697.172303][ T74] netlink_sendmsg+0x723/0xbe0 [ 2697.172303][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2697.172303][ T74] ___sys_sendmsg+0xee/0x170 [ 2697.172303][ T74] __sys_sendmsg+0xcd/0x170 [ 2697.172303][ T74] do_syscall_64+0xc6/0x1e0 [ 2697.172303][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2697.172303][ T74] [ 2697.174361][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2697.174361][ T74] netdev_get_by_index+0x5e/0x80 [ 2697.174361][ T74] fib6_nh_init+0x3d8/0x1580 [ 2697.174361][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2697.174361][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2697.174361][ T74] ipv6_add_addr+0x411/0x2000 [ 2697.174361][ T74] inet6_addr_add+0x30e/0xa40 [ 2697.174361][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2697.174361][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.174361][ T74] netlink_rcv_skb+0x130/0x360 [ 2697.174361][ T74] netlink_unicast+0x449/0x710 [ 2697.174361][ T74] netlink_sendmsg+0x723/0xbe0 [ 2697.174361][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2697.174361][ T74] ___sys_sendmsg+0xee/0x170 [ 2697.174361][ T74] __sys_sendmsg+0xcd/0x170 [ 2697.174361][ T74] do_syscall_64+0xc6/0x1e0 [ 2697.174361][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2697.174361][ T74] [ 2697.176429][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2697.176429][ T74] netdev_get_by_index+0x5e/0x80 [ 2697.176429][ T74] fib6_nh_init+0x3d8/0x1580 [ 2697.176429][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2697.176429][ T74] ip6_route_add+0x1c/0x140 [ 2697.176429][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2697.176429][ T74] addrconf_add_dev+0xe2/0x170 [ 2697.176429][ T74] inet6_addr_add+0x12f/0xa40 [ 2697.176429][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2697.176429][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.176429][ T74] netlink_rcv_skb+0x130/0x360 [ 2697.176429][ T74] netlink_unicast+0x449/0x710 [ 2697.176429][ T74] netlink_sendmsg+0x723/0xbe0 [ 2697.176429][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2697.176429][ T74] ___sys_sendmsg+0xee/0x170 [ 2697.176429][ T74] __sys_sendmsg+0xcd/0x170 [ 2697.176429][ T74] do_syscall_64+0xc6/0x1e0 [ 2697.176429][ T74] [ 2697.178433][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2697.178433][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2697.178433][ T74] ipv6_find_idev+0x102/0x170 [ 2697.178433][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2697.178433][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.178433][ T74] netlink_rcv_skb+0x130/0x360 [ 2697.178433][ T74] netlink_unicast+0x449/0x710 [ 2697.178433][ T74] netlink_sendmsg+0x723/0xbe0 [ 2697.178433][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2697.178433][ T74] ___sys_sendmsg+0xee/0x170 [ 2697.178433][ T74] __sys_sendmsg+0xcd/0x170 [ 2697.178433][ T74] do_syscall_64+0xc6/0x1e0 [ 2697.178433][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2697.178433][ T74] [ 2697.180010][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2697.180010][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2697.180010][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2697.180010][ T74] ipv6_find_idev+0x102/0x170 [ 2697.180010][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2697.180010][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.180010][ T74] netlink_rcv_skb+0x130/0x360 [ 2697.180010][ T74] netlink_unicast+0x449/0x710 [ 2697.180010][ T74] netlink_sendmsg+0x723/0xbe0 [ 2697.180010][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2697.180010][ T74] ___sys_sendmsg+0xee/0x170 [ 2697.180010][ T74] __sys_sendmsg+0xcd/0x170 [ 2697.180010][ T74] do_syscall_64+0xc6/0x1e0 [ 2697.180010][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2697.180010][ T74] [ 2697.181751][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2697.182039][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2697.182039][ T74] dst_init+0x84/0x4a0 [ 2697.182039][ T74] dst_alloc+0x97/0x150 [ 2697.182039][ T74] ip6_dst_alloc+0x23/0x90 [ 2697.182039][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2697.182039][ T74] ip6_pol_route+0x56f/0x840 [ 2697.182039][ T74] fib6_rule_lookup+0x456/0x630 [ 2697.182039][ T74] ip6_route_input+0x59c/0xa50 [ 2697.182039][ T74] ipv6_rcv+0x397/0x810 [ 2697.182039][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2697.182039][ T74] process_backlog+0x101/0x620 [ 2697.182039][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2697.182039][ T74] net_rx_action+0x495/0xbe0 [ 2697.182039][ T74] __do_softirq+0x1b5/0x7f6 [ 2697.182039][ T74] [ 2697.183699][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2697.183699][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2697.183699][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2697.183699][ T74] fib6_nh_init+0xa22/0x1580 [ 2697.183699][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2697.183699][ T74] ip6_route_add+0x1c/0x140 [ 2697.183699][ T74] inet6_rtm_newroute+0x104/0x110 [ 2697.183699][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.183699][ T74] netlink_rcv_skb+0x130/0x360 [ 2697.183699][ T74] netlink_unicast+0x449/0x710 [ 2697.183699][ T74] netlink_sendmsg+0x723/0xbe0 [ 2697.183699][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2697.183699][ T74] ___sys_sendmsg+0xee/0x170 [ 2697.183699][ T74] __sys_sendmsg+0xcd/0x170 [ 2697.183699][ T74] do_syscall_64+0xc6/0x1e0 [ 2697.183699][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2697.183699][ T74] [ 2697.185584][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2697.185584][ T74] netdev_get_by_index+0x5e/0x80 [ 2697.185584][ T74] fib6_nh_init+0x3d8/0x1580 [ 2697.185584][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2697.185584][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2697.185584][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2697.185584][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2697.185584][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2697.185584][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2697.185584][ T74] addrconf_dad_begin+0x310/0x670 [ 2697.185584][ T74] addrconf_dad_work+0x10b/0xab0 [ 2697.185584][ T74] process_one_work+0x84d/0x18a0 [ 2697.185584][ T74] worker_thread+0x587/0xd30 [ 2697.185584][ T74] kthread+0x28a/0x350 [ 2697.185584][ T74] ret_from_fork+0x31/0x70 [ 2697.185584][ T74] ret_from_fork_asm+0x1a/0x30 [ 2697.185584][ T74] [ 2697.187508][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2697.187508][ T74] netdev_get_by_index+0x5e/0x80 [ 2697.187508][ T74] fib6_nh_init+0x3d8/0x1580 [ 2697.187508][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2697.187508][ T74] ip6_route_add+0x1c/0x140 [ 2697.187508][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2697.187508][ T74] inet6_addr_add+0x4f8/0xa40 [ 2697.187508][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2697.187508][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.187508][ T74] netlink_rcv_skb+0x130/0x360 [ 2697.187508][ T74] netlink_unicast+0x449/0x710 [ 2697.187508][ T74] netlink_sendmsg+0x723/0xbe0 [ 2697.187508][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2697.187508][ T74] ___sys_sendmsg+0xee/0x170 [ 2697.187508][ T74] __sys_sendmsg+0xcd/0x170 [ 2697.187508][ T74] do_syscall_64+0xc6/0x1e0 [ 2697.187508][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2697.187508][ T74] [ 2697.189522][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2697.189522][ T74] netdev_get_by_index+0x5e/0x80 [ 2697.189522][ T74] fib6_nh_init+0x3d8/0x1580 [ 2697.189522][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2697.189522][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2697.189522][ T74] ipv6_add_addr+0x411/0x2000 [ 2697.189522][ T74] inet6_addr_add+0x30e/0xa40 [ 2697.189522][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2697.189522][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.189522][ T74] netlink_rcv_skb+0x130/0x360 [ 2697.189522][ T74] netlink_unicast+0x449/0x710 [ 2697.189522][ T74] netlink_sendmsg+0x723/0xbe0 [ 2697.189522][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2697.189522][ T74] ___sys_sendmsg+0xee/0x170 [ 2697.189522][ T74] __sys_sendmsg+0xcd/0x170 [ 2697.189522][ T74] do_syscall_64+0xc6/0x1e0 [ 2697.189522][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2697.189522][ T74] [ 2697.191565][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2697.191565][ T74] netdev_get_by_index+0x5e/0x80 [ 2697.191565][ T74] fib6_nh_init+0x3d8/0x1580 [ 2697.191565][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2697.191565][ T74] ip6_route_add+0x1c/0x140 [ 2697.191565][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2697.191565][ T74] addrconf_add_dev+0xe2/0x170 [ 2697.191565][ T74] inet6_addr_add+0x12f/0xa40 [ 2697.191565][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2697.191565][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.191565][ T74] netlink_rcv_skb+0x130/0x360 [ 2697.191565][ T74] netlink_unicast+0x449/0x710 [ 2697.191565][ T74] netlink_sendmsg+0x723/0xbe0 [ 2697.191565][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2697.191565][ T74] ___sys_sendmsg+0xee/0x170 [ 2697.191565][ T74] __sys_sendmsg+0xcd/0x170 [ 2697.191565][ T74] do_syscall_64+0xc6/0x1e0 [ 2697.191565][ T74] [ 2697.193543][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2697.193543][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2697.193543][ T74] ipv6_find_idev+0x102/0x170 [ 2697.193543][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2697.193543][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.193543][ T74] netlink_rcv_skb+0x130/0x360 [ 2697.193543][ T74] netlink_unicast+0x449/0x710 [ 2697.193543][ T74] netlink_sendmsg+0x723/0xbe0 [ 2697.193543][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2697.193543][ T74] ___sys_sendmsg+0xee/0x170 [ 2697.193543][ T74] __sys_sendmsg+0xcd/0x170 [ 2697.193543][ T74] do_syscall_64+0xc6/0x1e0 [ 2697.193543][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2697.193543][ T74] [ 2697.195206][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2697.195206][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2697.195206][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2697.195206][ T74] ipv6_find_idev+0x102/0x170 [ 2697.195206][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2697.195206][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.195206][ T74] netlink_rcv_skb+0x130/0x360 [ 2697.195206][ T74] netlink_unicast+0x449/0x710 [ 2697.195206][ T74] netlink_sendmsg+0x723/0xbe0 [ 2697.195206][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2697.195206][ T74] ___sys_sendmsg+0xee/0x170 [ 2697.195206][ T74] __sys_sendmsg+0xcd/0x170 [ 2697.195206][ T74] do_syscall_64+0xc6/0x1e0 [ 2697.195206][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2697.195206][ T74] [ 2697.197142][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2697.197381][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2697.197381][ T74] netdev_get_by_index+0x5e/0x80 [ 2697.197381][ T74] fib6_nh_init+0x3d8/0x1580 [ 2697.197381][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2697.197381][ T74] ip6_route_add+0x1c/0x140 [ 2697.197381][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2697.197381][ T74] inet6_addr_add+0x4f8/0xa40 [ 2697.197381][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2697.197381][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.197381][ T74] netlink_rcv_skb+0x130/0x360 [ 2697.197381][ T74] netlink_unicast+0x449/0x710 [ 2697.197381][ T74] netlink_sendmsg+0x723/0xbe0 [ 2697.197381][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2697.197381][ T74] ___sys_sendmsg+0xee/0x170 [ 2697.197381][ T74] __sys_sendmsg+0xcd/0x170 [ 2697.197381][ T74] do_syscall_64+0xc6/0x1e0 [ 2697.197381][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2697.197381][ T74] [ 2697.199634][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2697.199634][ T74] netdev_get_by_index+0x5e/0x80 [ 2697.199634][ T74] fib6_nh_init+0x3d8/0x1580 [ 2697.199634][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2697.199634][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2697.199634][ T74] ipv6_add_addr+0x411/0x2000 [ 2697.199634][ T74] inet6_addr_add+0x30e/0xa40 [ 2697.199634][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2697.199634][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.199634][ T74] netlink_rcv_skb+0x130/0x360 [ 2697.199634][ T74] netlink_unicast+0x449/0x710 [ 2697.199634][ T74] netlink_sendmsg+0x723/0xbe0 [ 2697.199634][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2697.199634][ T74] ___sys_sendmsg+0xee/0x170 [ 2697.199634][ T74] __sys_sendmsg+0xcd/0x170 [ 2697.199634][ T74] do_syscall_64+0xc6/0x1e0 [ 2697.199634][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2697.199634][ T74] [ 2697.201877][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2697.201877][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2697.201877][ T74] ipv6_find_idev+0x102/0x170 [ 2697.201877][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2697.201877][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.201877][ T74] netlink_rcv_skb+0x130/0x360 [ 2697.201877][ T74] netlink_unicast+0x449/0x710 [ 2697.201877][ T74] netlink_sendmsg+0x723/0xbe0 [ 2697.201877][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2697.201877][ T74] ___sys_sendmsg+0xee/0x170 [ 2697.201877][ T74] __sys_sendmsg+0xcd/0x170 [ 2697.201877][ T74] do_syscall_64+0xc6/0x1e0 [ 2697.201877][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2697.201877][ T74] [ 2697.203599][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2697.203599][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2697.203599][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2697.203599][ T74] ipv6_find_idev+0x102/0x170 [ 2697.203599][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2697.203599][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.203599][ T74] netlink_rcv_skb+0x130/0x360 [ 2697.203599][ T74] netlink_unicast+0x449/0x710 [ 2697.203599][ T74] netlink_sendmsg+0x723/0xbe0 [ 2697.203599][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2697.203599][ T74] ___sys_sendmsg+0xee/0x170 [ 2697.203599][ T74] __sys_sendmsg+0xcd/0x170 [ 2697.203599][ T74] do_syscall_64+0xc6/0x1e0 [ 2697.203599][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2697.203599][ T74] [ 2704.680019][ T42] INFO: task modprobe:7619 blocked for more than 1105 seconds. [ 2704.680298][ T42] Not tainted 6.8.0-virtme #1 [ 2704.680415][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 2704.680622][ T42] task:modprobe state:D stack:25856 pid:7619 tgid:7619 ppid:62 flags:0x00004002 [ 2704.680888][ T42] Call Trace: [ 2704.680986][ T42] [ 2704.681056][ T42] __schedule+0x705/0x1ac0 [ 2704.681213][ T42] ? __pfx___schedule+0x10/0x10 [ 2704.681338][ T42] ? schedule+0x1a5/0x210 [ 2704.681438][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 2704.681567][ T42] ? mark_lock+0x38/0x3e0 [ 2704.681660][ T42] ? do_raw_spin_lock+0x131/0x270 [ 2704.681793][ T42] ? schedule+0x1a5/0x210 [ 2704.681916][ T42] schedule+0xdf/0x210 [ 2704.682015][ T42] schedule_preempt_disabled+0x15/0x30 [ 2704.682137][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 2704.682278][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 2704.682432][ T42] ? __pfx_console_unlock+0x10/0x10 [ 2704.682569][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 2704.682707][ T42] ? lock_acquire+0x1c1/0x220 [ 2704.682829][ T42] ? register_pernet_subsys+0x1a/0x50 [ 2704.682974][ T42] down_write+0x1c9/0x200 [ 2704.683074][ T42] ? __pfx_down_write+0x10/0x10 [ 2704.683195][ T42] ? __pfx__printk+0x10/0x10 [ 2704.683322][ T42] ? __pfx___lock_release+0x10/0x10 [ 2704.683450][ T42] register_pernet_subsys+0x1a/0x50 [ 2704.683572][ T42] tcf_register_action+0xa3/0x600 [ 2704.683696][ T42] ? __pfx_gact_init_module+0x10/0x10 [act_gact] [ 2704.683866][ T42] do_one_initcall+0xc8/0x3f0 [ 2704.683998][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 2704.684123][ T42] ? __create_object+0x5e/0xb0 [ 2704.684251][ T42] ? kasan_unpoison+0x27/0x60 [ 2704.684378][ T42] do_init_module+0x233/0x740 [ 2704.684510][ T42] load_module+0x16b5/0x2350 [ 2704.684650][ T42] ? __pfx_load_module+0x10/0x10 [ 2704.684772][ T42] ? kernel_read_file+0x3d2/0x520 [ 2704.684911][ T42] ? kernel_read_file+0x300/0x520 [ 2704.685037][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 2704.685169][ T42] ? init_module_from_file+0xd2/0x130 [ 2704.685291][ T42] init_module_from_file+0xd2/0x130 [ 2704.685414][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 2704.685568][ T42] ? __lock_release+0x103/0x460 [ 2704.685693][ T42] ? idempotent_init_module+0x32a/0x620 [ 2704.685836][ T42] ? idempotent_init_module+0x32a/0x620 [ 2704.685971][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 2704.686097][ T42] idempotent_init_module+0x342/0x620 [ 2704.686226][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 2704.686410][ T42] __x64_sys_finit_module+0xbe/0x130 [ 2704.686535][ T42] do_syscall_64+0xc6/0x1e0 [ 2704.686662][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2704.686817][ T42] RIP: 0033:0x7f1db4f62e5d [ 2704.686952][ T42] RSP: 002b:00007ffe8261b448 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 2704.687140][ T42] RAX: ffffffffffffffda RBX: 0000555e1791ec80 RCX: 00007f1db4f62e5d [ 2704.687322][ T42] RDX: 0000000000000000 RSI: 0000555dd93dca2a RDI: 0000000000000000 [ 2704.687502][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007ffe8261b580 [ 2704.687692][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555dd93dca2a [ 2704.687892][ T42] R13: 0000555e1791eac0 R14: 0000555e1791f0b0 R15: 0000555e1791ecf1 [ 2704.688088][ T42] [ 2704.688183][ T42] [ 2704.688183][ T42] Showing all locks held in the system: [ 2704.688384][ T42] 1 lock held by khungtaskd/42: [ 2704.688505][ T42] #0: ffffffff9a7591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 2704.688728][ T42] 2 locks held by kworker/u18:1/62: [ 2704.688859][ T42] #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 2704.689109][ T42] #1: ffffc9000043fda0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 2704.689384][ T42] 3 locks held by kworker/u16:1/74: [ 2704.689505][ T42] #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 2704.689752][ T42] #1: ffffc900004ffda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 2704.689978][ T42] #2: ffffffff9af6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60 [ 2704.690199][ T42] 1 lock held by modprobe/7619: [ 2704.690318][ T42] #0: ffffffff9af6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 2704.690567][ T42] [ 2704.690627][ T42] ============================================= [ 2704.690627][ T42] [ 2707.447933][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2707.448365][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2707.448365][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2707.448365][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2707.448365][ T74] fib6_nh_init+0xa22/0x1580 [ 2707.448365][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2707.448365][ T74] ip6_route_add+0x1c/0x140 [ 2707.448365][ T74] inet6_rtm_newroute+0x104/0x110 [ 2707.448365][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2707.448365][ T74] netlink_rcv_skb+0x130/0x360 [ 2707.448365][ T74] netlink_unicast+0x449/0x710 [ 2707.448365][ T74] netlink_sendmsg+0x723/0xbe0 [ 2707.448365][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2707.448365][ T74] ___sys_sendmsg+0xee/0x170 [ 2707.448365][ T74] __sys_sendmsg+0xcd/0x170 [ 2707.448365][ T74] do_syscall_64+0xc6/0x1e0 [ 2707.448365][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2707.448365][ T74] [ 2707.450277][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2707.450277][ T74] netdev_get_by_index+0x5e/0x80 [ 2707.450277][ T74] fib6_nh_init+0x3d8/0x1580 [ 2707.450277][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2707.450277][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2707.450277][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2707.450277][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2707.450277][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2707.450277][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2707.450277][ T74] addrconf_dad_begin+0x310/0x670 [ 2707.450277][ T74] addrconf_dad_work+0x10b/0xab0 [ 2707.450277][ T74] process_one_work+0x84d/0x18a0 [ 2707.450277][ T74] worker_thread+0x587/0xd30 [ 2707.450277][ T74] kthread+0x28a/0x350 [ 2707.450277][ T74] ret_from_fork+0x31/0x70 [ 2707.450277][ T74] ret_from_fork_asm+0x1a/0x30 [ 2707.450277][ T74] [ 2707.452211][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2707.452211][ T74] netdev_get_by_index+0x5e/0x80 [ 2707.452211][ T74] fib6_nh_init+0x3d8/0x1580 [ 2707.452211][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2707.452211][ T74] ip6_route_add+0x1c/0x140 [ 2707.452211][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2707.452211][ T74] inet6_addr_add+0x4f8/0xa40 [ 2707.452211][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2707.452211][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2707.452211][ T74] netlink_rcv_skb+0x130/0x360 [ 2707.452211][ T74] netlink_unicast+0x449/0x710 [ 2707.452211][ T74] netlink_sendmsg+0x723/0xbe0 [ 2707.452211][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2707.452211][ T74] ___sys_sendmsg+0xee/0x170 [ 2707.452211][ T74] __sys_sendmsg+0xcd/0x170 [ 2707.452211][ T74] do_syscall_64+0xc6/0x1e0 [ 2707.452211][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2707.452211][ T74] [ 2707.454217][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2707.454217][ T74] netdev_get_by_index+0x5e/0x80 [ 2707.454217][ T74] fib6_nh_init+0x3d8/0x1580 [ 2707.454217][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2707.454217][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2707.454217][ T74] ipv6_add_addr+0x411/0x2000 [ 2707.454217][ T74] inet6_addr_add+0x30e/0xa40 [ 2707.454217][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2707.454217][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2707.454217][ T74] netlink_rcv_skb+0x130/0x360 [ 2707.454217][ T74] netlink_unicast+0x449/0x710 [ 2707.454217][ T74] netlink_sendmsg+0x723/0xbe0 [ 2707.454217][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2707.454217][ T74] ___sys_sendmsg+0xee/0x170 [ 2707.454217][ T74] __sys_sendmsg+0xcd/0x170 [ 2707.454217][ T74] do_syscall_64+0xc6/0x1e0 [ 2707.454217][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2707.454217][ T74] [ 2707.456254][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2707.456254][ T74] netdev_get_by_index+0x5e/0x80 [ 2707.456254][ T74] fib6_nh_init+0x3d8/0x1580 [ 2707.456254][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2707.456254][ T74] ip6_route_add+0x1c/0x140 [ 2707.456254][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2707.456254][ T74] addrconf_add_dev+0xe2/0x170 [ 2707.456254][ T74] inet6_addr_add+0x12f/0xa40 [ 2707.456254][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2707.456254][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2707.456254][ T74] netlink_rcv_skb+0x130/0x360 [ 2707.456254][ T74] netlink_unicast+0x449/0x710 [ 2707.456254][ T74] netlink_sendmsg+0x723/0xbe0 [ 2707.456254][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2707.456254][ T74] ___sys_sendmsg+0xee/0x170 [ 2707.456254][ T74] __sys_sendmsg+0xcd/0x170 [ 2707.456254][ T74] do_syscall_64+0xc6/0x1e0 [ 2707.456254][ T74] [ 2707.458231][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2707.458231][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2707.458231][ T74] ipv6_find_idev+0x102/0x170 [ 2707.458231][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2707.458231][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2707.458231][ T74] netlink_rcv_skb+0x130/0x360 [ 2707.458231][ T74] netlink_unicast+0x449/0x710 [ 2707.458231][ T74] netlink_sendmsg+0x723/0xbe0 [ 2707.458231][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2707.458231][ T74] ___sys_sendmsg+0xee/0x170 [ 2707.458231][ T74] __sys_sendmsg+0xcd/0x170 [ 2707.458231][ T74] do_syscall_64+0xc6/0x1e0 [ 2707.458231][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2707.458231][ T74] [ 2707.459790][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2707.459790][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2707.459790][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2707.459790][ T74] ipv6_find_idev+0x102/0x170 [ 2707.459790][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2707.459790][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2707.459790][ T74] netlink_rcv_skb+0x130/0x360 [ 2707.459790][ T74] netlink_unicast+0x449/0x710 [ 2707.459790][ T74] netlink_sendmsg+0x723/0xbe0 [ 2707.459790][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2707.459790][ T74] ___sys_sendmsg+0xee/0x170 [ 2707.459790][ T74] __sys_sendmsg+0xcd/0x170 [ 2707.459790][ T74] do_syscall_64+0xc6/0x1e0 [ 2707.459790][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2707.459790][ T74] [ 2707.461492][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2707.461783][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2707.461783][ T74] dst_init+0x84/0x4a0 [ 2707.461783][ T74] dst_alloc+0x97/0x150 [ 2707.461783][ T74] ip6_dst_alloc+0x23/0x90 [ 2707.461783][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2707.461783][ T74] ip6_pol_route+0x56f/0x840 [ 2707.461783][ T74] fib6_rule_lookup+0x456/0x630 [ 2707.461783][ T74] ip6_route_input+0x59c/0xa50 [ 2707.461783][ T74] ipv6_rcv+0x397/0x810 [ 2707.461783][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2707.461783][ T74] process_backlog+0x101/0x620 [ 2707.461783][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2707.461783][ T74] net_rx_action+0x495/0xbe0 [ 2707.461783][ T74] __do_softirq+0x1b5/0x7f6 [ 2707.461783][ T74] [ 2707.463425][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2707.463425][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2707.463425][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2707.463425][ T74] fib6_nh_init+0xa22/0x1580 [ 2707.463425][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2707.463425][ T74] ip6_route_add+0x1c/0x140 [ 2707.463425][ T74] inet6_rtm_newroute+0x104/0x110 [ 2707.463425][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2707.463425][ T74] netlink_rcv_skb+0x130/0x360 [ 2707.463425][ T74] netlink_unicast+0x449/0x710 [ 2707.463425][ T74] netlink_sendmsg+0x723/0xbe0 [ 2707.463425][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2707.463425][ T74] ___sys_sendmsg+0xee/0x170 [ 2707.463425][ T74] __sys_sendmsg+0xcd/0x170 [ 2707.463425][ T74] do_syscall_64+0xc6/0x1e0 [ 2707.463425][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2707.463425][ T74] [ 2707.465324][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2707.465324][ T74] netdev_get_by_index+0x5e/0x80 [ 2707.465324][ T74] fib6_nh_init+0x3d8/0x1580 [ 2707.465324][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2707.465324][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2707.465324][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2707.465324][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2707.465324][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2707.465324][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2707.465324][ T74] addrconf_dad_begin+0x310/0x670 [ 2707.465324][ T74] addrconf_dad_work+0x10b/0xab0 [ 2707.465324][ T74] process_one_work+0x84d/0x18a0 [ 2707.465324][ T74] worker_thread+0x587/0xd30 [ 2707.465324][ T74] kthread+0x28a/0x350 [ 2707.465324][ T74] ret_from_fork+0x31/0x70 [ 2707.465324][ T74] ret_from_fork_asm+0x1a/0x30 [ 2707.465324][ T74] [ 2707.467268][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2707.467268][ T74] netdev_get_by_index+0x5e/0x80 [ 2707.467268][ T74] fib6_nh_init+0x3d8/0x1580 [ 2707.467268][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2707.467268][ T74] ip6_route_add+0x1c/0x140 [ 2707.467268][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2707.467268][ T74] inet6_addr_add+0x4f8/0xa40 [ 2707.467268][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2707.467268][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2707.467268][ T74] netlink_rcv_skb+0x130/0x360 [ 2707.467268][ T74] netlink_unicast+0x449/0x710 [ 2707.467268][ T74] netlink_sendmsg+0x723/0xbe0 [ 2707.467268][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2707.467268][ T74] ___sys_sendmsg+0xee/0x170 [ 2707.467268][ T74] __sys_sendmsg+0xcd/0x170 [ 2707.467268][ T74] do_syscall_64+0xc6/0x1e0 [ 2707.467268][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2707.467268][ T74] [ 2707.469275][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2707.469275][ T74] netdev_get_by_index+0x5e/0x80 [ 2707.469275][ T74] fib6_nh_init+0x3d8/0x1580 [ 2707.469275][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2707.469275][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2707.469275][ T74] ipv6_add_addr+0x411/0x2000 [ 2707.469275][ T74] inet6_addr_add+0x30e/0xa40 [ 2707.469275][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2707.469275][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2707.469275][ T74] netlink_rcv_skb+0x130/0x360 [ 2707.469275][ T74] netlink_unicast+0x449/0x710 [ 2707.469275][ T74] netlink_sendmsg+0x723/0xbe0 [ 2707.469275][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2707.469275][ T74] ___sys_sendmsg+0xee/0x170 [ 2707.469275][ T74] __sys_sendmsg+0xcd/0x170 [ 2707.469275][ T74] do_syscall_64+0xc6/0x1e0 [ 2707.469275][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2707.469275][ T74] [ 2707.471271][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2707.471271][ T74] netdev_get_by_index+0x5e/0x80 [ 2707.471271][ T74] fib6_nh_init+0x3d8/0x1580 [ 2707.471271][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2707.471271][ T74] ip6_route_add+0x1c/0x140 [ 2707.471271][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2707.471271][ T74] addrconf_add_dev+0xe2/0x170 [ 2707.471271][ T74] inet6_addr_add+0x12f/0xa40 [ 2707.471271][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2707.471271][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2707.471271][ T74] netlink_rcv_skb+0x130/0x360 [ 2707.471271][ T74] netlink_unicast+0x449/0x710 [ 2707.471271][ T74] netlink_sendmsg+0x723/0xbe0 [ 2707.471271][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2707.471271][ T74] ___sys_sendmsg+0xee/0x170 [ 2707.471271][ T74] __sys_sendmsg+0xcd/0x170 [ 2707.471271][ T74] do_syscall_64+0xc6/0x1e0 [ 2707.471271][ T74] [ 2707.473226][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2707.473226][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2707.473226][ T74] ipv6_find_idev+0x102/0x170 [ 2707.473226][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2707.473226][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2707.473226][ T74] netlink_rcv_skb+0x130/0x360 [ 2707.473226][ T74] netlink_unicast+0x449/0x710 [ 2707.473226][ T74] netlink_sendmsg+0x723/0xbe0 [ 2707.473226][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2707.473226][ T74] ___sys_sendmsg+0xee/0x170 [ 2707.473226][ T74] __sys_sendmsg+0xcd/0x170 [ 2707.473226][ T74] do_syscall_64+0xc6/0x1e0 [ 2707.473226][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2707.473226][ T74] [ 2707.474821][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2707.474821][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2707.474821][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2707.474821][ T74] ipv6_find_idev+0x102/0x170 [ 2707.474821][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2707.474821][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2707.474821][ T74] netlink_rcv_skb+0x130/0x360 [ 2707.474821][ T74] netlink_unicast+0x449/0x710 [ 2707.474821][ T74] netlink_sendmsg+0x723/0xbe0 [ 2707.474821][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2707.474821][ T74] ___sys_sendmsg+0xee/0x170 [ 2707.474821][ T74] __sys_sendmsg+0xcd/0x170 [ 2707.474821][ T74] do_syscall_64+0xc6/0x1e0 [ 2707.474821][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2707.474821][ T74] [ 2707.476802][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2707.477048][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2707.477048][ T74] netdev_get_by_index+0x5e/0x80 [ 2707.477048][ T74] fib6_nh_init+0x3d8/0x1580 [ 2707.477048][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2707.477048][ T74] ip6_route_add+0x1c/0x140 [ 2707.477048][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2707.477048][ T74] inet6_addr_add+0x4f8/0xa40 [ 2707.477048][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2707.477048][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2707.477048][ T74] netlink_rcv_skb+0x130/0x360 [ 2707.477048][ T74] netlink_unicast+0x449/0x710 [ 2707.477048][ T74] netlink_sendmsg+0x723/0xbe0 [ 2707.477048][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2707.477048][ T74] ___sys_sendmsg+0xee/0x170 [ 2707.477048][ T74] __sys_sendmsg+0xcd/0x170 [ 2707.477048][ T74] do_syscall_64+0xc6/0x1e0 [ 2707.477048][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2707.477048][ T74] [ 2707.479280][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2707.479280][ T74] netdev_get_by_index+0x5e/0x80 [ 2707.479280][ T74] fib6_nh_init+0x3d8/0x1580 [ 2707.479280][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2707.479280][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2707.479280][ T74] ipv6_add_addr+0x411/0x2000 [ 2707.479280][ T74] inet6_addr_add+0x30e/0xa40 [ 2707.479280][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2707.479280][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2707.479280][ T74] netlink_rcv_skb+0x130/0x360 [ 2707.479280][ T74] netlink_unicast+0x449/0x710 [ 2707.479280][ T74] netlink_sendmsg+0x723/0xbe0 [ 2707.479280][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2707.479280][ T74] ___sys_sendmsg+0xee/0x170 [ 2707.479280][ T74] __sys_sendmsg+0xcd/0x170 [ 2707.479280][ T74] do_syscall_64+0xc6/0x1e0 [ 2707.479280][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2707.479280][ T74] [ 2707.481443][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2707.481443][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2707.481443][ T74] ipv6_find_idev+0x102/0x170 [ 2707.481443][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2707.481443][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2707.481443][ T74] netlink_rcv_skb+0x130/0x360 [ 2707.481443][ T74] netlink_unicast+0x449/0x710 [ 2707.481443][ T74] netlink_sendmsg+0x723/0xbe0 [ 2707.481443][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2707.481443][ T74] ___sys_sendmsg+0xee/0x170 [ 2707.481443][ T74] __sys_sendmsg+0xcd/0x170 [ 2707.481443][ T74] do_syscall_64+0xc6/0x1e0 [ 2707.481443][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2707.481443][ T74] [ 2707.483088][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2707.483088][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2707.483088][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2707.483088][ T74] ipv6_find_idev+0x102/0x170 [ 2707.483088][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2707.483088][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2707.483088][ T74] netlink_rcv_skb+0x130/0x360 [ 2707.483088][ T74] netlink_unicast+0x449/0x710 [ 2707.483088][ T74] netlink_sendmsg+0x723/0xbe0 [ 2707.483088][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2707.483088][ T74] ___sys_sendmsg+0xee/0x170 [ 2707.483088][ T74] __sys_sendmsg+0xcd/0x170 [ 2707.483088][ T74] do_syscall_64+0xc6/0x1e0 [ 2707.483088][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2707.483088][ T74] [ 2717.528001][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2717.528450][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2717.528450][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2717.528450][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2717.528450][ T74] fib6_nh_init+0xa22/0x1580 [ 2717.528450][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2717.528450][ T74] ip6_route_add+0x1c/0x140 [ 2717.528450][ T74] inet6_rtm_newroute+0x104/0x110 [ 2717.528450][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.528450][ T74] netlink_rcv_skb+0x130/0x360 [ 2717.528450][ T74] netlink_unicast+0x449/0x710 [ 2717.528450][ T74] netlink_sendmsg+0x723/0xbe0 [ 2717.528450][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2717.528450][ T74] ___sys_sendmsg+0xee/0x170 [ 2717.528450][ T74] __sys_sendmsg+0xcd/0x170 [ 2717.528450][ T74] do_syscall_64+0xc6/0x1e0 [ 2717.528450][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.528450][ T74] [ 2717.531506][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2717.531506][ T74] netdev_get_by_index+0x5e/0x80 [ 2717.531506][ T74] fib6_nh_init+0x3d8/0x1580 [ 2717.531506][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2717.531506][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2717.531506][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2717.531506][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2717.531506][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2717.531506][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2717.531506][ T74] addrconf_dad_begin+0x310/0x670 [ 2717.531506][ T74] addrconf_dad_work+0x10b/0xab0 [ 2717.531506][ T74] process_one_work+0x84d/0x18a0 [ 2717.531506][ T74] worker_thread+0x587/0xd30 [ 2717.531506][ T74] kthread+0x28a/0x350 [ 2717.531506][ T74] ret_from_fork+0x31/0x70 [ 2717.531506][ T74] ret_from_fork_asm+0x1a/0x30 [ 2717.531506][ T74] [ 2717.534609][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2717.534609][ T74] netdev_get_by_index+0x5e/0x80 [ 2717.534609][ T74] fib6_nh_init+0x3d8/0x1580 [ 2717.534609][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2717.534609][ T74] ip6_route_add+0x1c/0x140 [ 2717.534609][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2717.534609][ T74] inet6_addr_add+0x4f8/0xa40 [ 2717.534609][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2717.534609][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.534609][ T74] netlink_rcv_skb+0x130/0x360 [ 2717.534609][ T74] netlink_unicast+0x449/0x710 [ 2717.534609][ T74] netlink_sendmsg+0x723/0xbe0 [ 2717.534609][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2717.534609][ T74] ___sys_sendmsg+0xee/0x170 [ 2717.534609][ T74] __sys_sendmsg+0xcd/0x170 [ 2717.534609][ T74] do_syscall_64+0xc6/0x1e0 [ 2717.534609][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.534609][ T74] [ 2717.537834][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2717.537834][ T74] netdev_get_by_index+0x5e/0x80 [ 2717.537834][ T74] fib6_nh_init+0x3d8/0x1580 [ 2717.537834][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2717.537834][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2717.537834][ T74] ipv6_add_addr+0x411/0x2000 [ 2717.537834][ T74] inet6_addr_add+0x30e/0xa40 [ 2717.537834][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2717.537834][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.537834][ T74] netlink_rcv_skb+0x130/0x360 [ 2717.537834][ T74] netlink_unicast+0x449/0x710 [ 2717.537834][ T74] netlink_sendmsg+0x723/0xbe0 [ 2717.537834][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2717.537834][ T74] ___sys_sendmsg+0xee/0x170 [ 2717.537834][ T74] __sys_sendmsg+0xcd/0x170 [ 2717.537834][ T74] do_syscall_64+0xc6/0x1e0 [ 2717.537834][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.537834][ T74] [ 2717.541056][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2717.541056][ T74] netdev_get_by_index+0x5e/0x80 [ 2717.541056][ T74] fib6_nh_init+0x3d8/0x1580 [ 2717.541056][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2717.541056][ T74] ip6_route_add+0x1c/0x140 [ 2717.541056][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2717.541056][ T74] addrconf_add_dev+0xe2/0x170 [ 2717.541056][ T74] inet6_addr_add+0x12f/0xa40 [ 2717.541056][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2717.541056][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.541056][ T74] netlink_rcv_skb+0x130/0x360 [ 2717.541056][ T74] netlink_unicast+0x449/0x710 [ 2717.541056][ T74] netlink_sendmsg+0x723/0xbe0 [ 2717.541056][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2717.541056][ T74] ___sys_sendmsg+0xee/0x170 [ 2717.541056][ T74] __sys_sendmsg+0xcd/0x170 [ 2717.541056][ T74] do_syscall_64+0xc6/0x1e0 [ 2717.541056][ T74] [ 2717.544201][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2717.544201][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2717.544201][ T74] ipv6_find_idev+0x102/0x170 [ 2717.544201][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2717.544201][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.544201][ T74] netlink_rcv_skb+0x130/0x360 [ 2717.544201][ T74] netlink_unicast+0x449/0x710 [ 2717.544201][ T74] netlink_sendmsg+0x723/0xbe0 [ 2717.544201][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2717.544201][ T74] ___sys_sendmsg+0xee/0x170 [ 2717.544201][ T74] __sys_sendmsg+0xcd/0x170 [ 2717.544201][ T74] do_syscall_64+0xc6/0x1e0 [ 2717.544201][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.544201][ T74] [ 2717.546680][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2717.546680][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2717.546680][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2717.546680][ T74] ipv6_find_idev+0x102/0x170 [ 2717.546680][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2717.546680][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.546680][ T74] netlink_rcv_skb+0x130/0x360 [ 2717.546680][ T74] netlink_unicast+0x449/0x710 [ 2717.546680][ T74] netlink_sendmsg+0x723/0xbe0 [ 2717.546680][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2717.546680][ T74] ___sys_sendmsg+0xee/0x170 [ 2717.546680][ T74] __sys_sendmsg+0xcd/0x170 [ 2717.546680][ T74] do_syscall_64+0xc6/0x1e0 [ 2717.546680][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.546680][ T74] [ 2717.549379][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2717.549803][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2717.549803][ T74] dst_init+0x84/0x4a0 [ 2717.549803][ T74] dst_alloc+0x97/0x150 [ 2717.549803][ T74] ip6_dst_alloc+0x23/0x90 [ 2717.549803][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2717.549803][ T74] ip6_pol_route+0x56f/0x840 [ 2717.549803][ T74] fib6_rule_lookup+0x456/0x630 [ 2717.549803][ T74] ip6_route_input+0x59c/0xa50 [ 2717.549803][ T74] ipv6_rcv+0x397/0x810 [ 2717.549803][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2717.549803][ T74] process_backlog+0x101/0x620 [ 2717.549803][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2717.549803][ T74] net_rx_action+0x495/0xbe0 [ 2717.549803][ T74] __do_softirq+0x1b5/0x7f6 [ 2717.549803][ T74] [ 2717.552436][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2717.552436][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2717.552436][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2717.552436][ T74] fib6_nh_init+0xa22/0x1580 [ 2717.552436][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2717.552436][ T74] ip6_route_add+0x1c/0x140 [ 2717.552436][ T74] inet6_rtm_newroute+0x104/0x110 [ 2717.552436][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.552436][ T74] netlink_rcv_skb+0x130/0x360 [ 2717.552436][ T74] netlink_unicast+0x449/0x710 [ 2717.552436][ T74] netlink_sendmsg+0x723/0xbe0 [ 2717.552436][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2717.552436][ T74] ___sys_sendmsg+0xee/0x170 [ 2717.552436][ T74] __sys_sendmsg+0xcd/0x170 [ 2717.552436][ T74] do_syscall_64+0xc6/0x1e0 [ 2717.552436][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.552436][ T74] [ 2717.555428][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2717.555428][ T74] netdev_get_by_index+0x5e/0x80 [ 2717.555428][ T74] fib6_nh_init+0x3d8/0x1580 [ 2717.555428][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2717.555428][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2717.555428][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2717.555428][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2717.555428][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2717.555428][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2717.555428][ T74] addrconf_dad_begin+0x310/0x670 [ 2717.555428][ T74] addrconf_dad_work+0x10b/0xab0 [ 2717.555428][ T74] process_one_work+0x84d/0x18a0 [ 2717.555428][ T74] worker_thread+0x587/0xd30 [ 2717.555428][ T74] kthread+0x28a/0x350 [ 2717.555428][ T74] ret_from_fork+0x31/0x70 [ 2717.555428][ T74] ret_from_fork_asm+0x1a/0x30 [ 2717.555428][ T74] [ 2717.558512][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2717.558512][ T74] netdev_get_by_index+0x5e/0x80 [ 2717.558512][ T74] fib6_nh_init+0x3d8/0x1580 [ 2717.558512][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2717.558512][ T74] ip6_route_add+0x1c/0x140 [ 2717.558512][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2717.558512][ T74] inet6_addr_add+0x4f8/0xa40 [ 2717.558512][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2717.558512][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.558512][ T74] netlink_rcv_skb+0x130/0x360 [ 2717.558512][ T74] netlink_unicast+0x449/0x710 [ 2717.558512][ T74] netlink_sendmsg+0x723/0xbe0 [ 2717.558512][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2717.558512][ T74] ___sys_sendmsg+0xee/0x170 [ 2717.558512][ T74] __sys_sendmsg+0xcd/0x170 [ 2717.558512][ T74] do_syscall_64+0xc6/0x1e0 [ 2717.558512][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.558512][ T74] [ 2717.561746][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2717.561746][ T74] netdev_get_by_index+0x5e/0x80 [ 2717.561746][ T74] fib6_nh_init+0x3d8/0x1580 [ 2717.561746][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2717.561746][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2717.561746][ T74] ipv6_add_addr+0x411/0x2000 [ 2717.561746][ T74] inet6_addr_add+0x30e/0xa40 [ 2717.561746][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2717.561746][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.561746][ T74] netlink_rcv_skb+0x130/0x360 [ 2717.561746][ T74] netlink_unicast+0x449/0x710 [ 2717.561746][ T74] netlink_sendmsg+0x723/0xbe0 [ 2717.561746][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2717.561746][ T74] ___sys_sendmsg+0xee/0x170 [ 2717.561746][ T74] __sys_sendmsg+0xcd/0x170 [ 2717.561746][ T74] do_syscall_64+0xc6/0x1e0 [ 2717.561746][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.561746][ T74] [ 2717.564927][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2717.564927][ T74] netdev_get_by_index+0x5e/0x80 [ 2717.564927][ T74] fib6_nh_init+0x3d8/0x1580 [ 2717.564927][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2717.564927][ T74] ip6_route_add+0x1c/0x140 [ 2717.564927][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2717.564927][ T74] addrconf_add_dev+0xe2/0x170 [ 2717.564927][ T74] inet6_addr_add+0x12f/0xa40 [ 2717.564927][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2717.564927][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.564927][ T74] netlink_rcv_skb+0x130/0x360 [ 2717.564927][ T74] netlink_unicast+0x449/0x710 [ 2717.564927][ T74] netlink_sendmsg+0x723/0xbe0 [ 2717.564927][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2717.564927][ T74] ___sys_sendmsg+0xee/0x170 [ 2717.564927][ T74] __sys_sendmsg+0xcd/0x170 [ 2717.564927][ T74] do_syscall_64+0xc6/0x1e0 [ 2717.564927][ T74] [ 2717.568111][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2717.568111][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2717.568111][ T74] ipv6_find_idev+0x102/0x170 [ 2717.568111][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2717.568111][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.568111][ T74] netlink_rcv_skb+0x130/0x360 [ 2717.568111][ T74] netlink_unicast+0x449/0x710 [ 2717.568111][ T74] netlink_sendmsg+0x723/0xbe0 [ 2717.568111][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2717.568111][ T74] ___sys_sendmsg+0xee/0x170 [ 2717.568111][ T74] __sys_sendmsg+0xcd/0x170 [ 2717.568111][ T74] do_syscall_64+0xc6/0x1e0 [ 2717.568111][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.568111][ T74] [ 2717.570822][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2717.570822][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2717.570822][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2717.570822][ T74] ipv6_find_idev+0x102/0x170 [ 2717.570822][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2717.570822][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.570822][ T74] netlink_rcv_skb+0x130/0x360 [ 2717.570822][ T74] netlink_unicast+0x449/0x710 [ 2717.570822][ T74] netlink_sendmsg+0x723/0xbe0 [ 2717.570822][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2717.570822][ T74] ___sys_sendmsg+0xee/0x170 [ 2717.570822][ T74] __sys_sendmsg+0xcd/0x170 [ 2717.570822][ T74] do_syscall_64+0xc6/0x1e0 [ 2717.570822][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.570822][ T74] [ 2717.574000][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2717.574371][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2717.574371][ T74] netdev_get_by_index+0x5e/0x80 [ 2717.574371][ T74] fib6_nh_init+0x3d8/0x1580 [ 2717.574371][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2717.574371][ T74] ip6_route_add+0x1c/0x140 [ 2717.574371][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2717.574371][ T74] inet6_addr_add+0x4f8/0xa40 [ 2717.574371][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2717.574371][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.574371][ T74] netlink_rcv_skb+0x130/0x360 [ 2717.574371][ T74] netlink_unicast+0x449/0x710 [ 2717.574371][ T74] netlink_sendmsg+0x723/0xbe0 [ 2717.574371][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2717.574371][ T74] ___sys_sendmsg+0xee/0x170 [ 2717.574371][ T74] __sys_sendmsg+0xcd/0x170 [ 2717.574371][ T74] do_syscall_64+0xc6/0x1e0 [ 2717.574371][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.574371][ T74] [ 2717.577943][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2717.577943][ T74] netdev_get_by_index+0x5e/0x80 [ 2717.577943][ T74] fib6_nh_init+0x3d8/0x1580 [ 2717.577943][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2717.577943][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2717.577943][ T74] ipv6_add_addr+0x411/0x2000 [ 2717.577943][ T74] inet6_addr_add+0x30e/0xa40 [ 2717.577943][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2717.577943][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.577943][ T74] netlink_rcv_skb+0x130/0x360 [ 2717.577943][ T74] netlink_unicast+0x449/0x710 [ 2717.577943][ T74] netlink_sendmsg+0x723/0xbe0 [ 2717.577943][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2717.577943][ T74] ___sys_sendmsg+0xee/0x170 [ 2717.577943][ T74] __sys_sendmsg+0xcd/0x170 [ 2717.577943][ T74] do_syscall_64+0xc6/0x1e0 [ 2717.577943][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.577943][ T74] [ 2717.581596][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2717.581596][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2717.581596][ T74] ipv6_find_idev+0x102/0x170 [ 2717.581596][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2717.581596][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.581596][ T74] netlink_rcv_skb+0x130/0x360 [ 2717.581596][ T74] netlink_unicast+0x449/0x710 [ 2717.581596][ T74] netlink_sendmsg+0x723/0xbe0 [ 2717.581596][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2717.581596][ T74] ___sys_sendmsg+0xee/0x170 [ 2717.581596][ T74] __sys_sendmsg+0xcd/0x170 [ 2717.581596][ T74] do_syscall_64+0xc6/0x1e0 [ 2717.581596][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.581596][ T74] [ 2717.584307][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2717.584307][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2717.584307][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2717.584307][ T74] ipv6_find_idev+0x102/0x170 [ 2717.584307][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2717.584307][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.584307][ T74] netlink_rcv_skb+0x130/0x360 [ 2717.584307][ T74] netlink_unicast+0x449/0x710 [ 2717.584307][ T74] netlink_sendmsg+0x723/0xbe0 [ 2717.584307][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2717.584307][ T74] ___sys_sendmsg+0xee/0x170 [ 2717.584307][ T74] __sys_sendmsg+0xcd/0x170 [ 2717.584307][ T74] do_syscall_64+0xc6/0x1e0 [ 2717.584307][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.584307][ T74] [ 2727.823985][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2727.824380][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2727.824380][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2727.824380][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2727.824380][ T74] fib6_nh_init+0xa22/0x1580 [ 2727.824380][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2727.824380][ T74] ip6_route_add+0x1c/0x140 [ 2727.824380][ T74] inet6_rtm_newroute+0x104/0x110 [ 2727.824380][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2727.824380][ T74] netlink_rcv_skb+0x130/0x360 [ 2727.824380][ T74] netlink_unicast+0x449/0x710 [ 2727.824380][ T74] netlink_sendmsg+0x723/0xbe0 [ 2727.824380][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2727.824380][ T74] ___sys_sendmsg+0xee/0x170 [ 2727.824380][ T74] __sys_sendmsg+0xcd/0x170 [ 2727.824380][ T74] do_syscall_64+0xc6/0x1e0 [ 2727.824380][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2727.824380][ T74] [ 2727.826344][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2727.826344][ T74] netdev_get_by_index+0x5e/0x80 [ 2727.826344][ T74] fib6_nh_init+0x3d8/0x1580 [ 2727.826344][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2727.826344][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2727.826344][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2727.826344][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2727.826344][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2727.826344][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2727.826344][ T74] addrconf_dad_begin+0x310/0x670 [ 2727.826344][ T74] addrconf_dad_work+0x10b/0xab0 [ 2727.826344][ T74] process_one_work+0x84d/0x18a0 [ 2727.826344][ T74] worker_thread+0x587/0xd30 [ 2727.826344][ T74] kthread+0x28a/0x350 [ 2727.826344][ T74] ret_from_fork+0x31/0x70 [ 2727.826344][ T74] ret_from_fork_asm+0x1a/0x30 [ 2727.826344][ T74] [ 2727.828272][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2727.828272][ T74] netdev_get_by_index+0x5e/0x80 [ 2727.828272][ T74] fib6_nh_init+0x3d8/0x1580 [ 2727.828272][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2727.828272][ T74] ip6_route_add+0x1c/0x140 [ 2727.828272][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2727.828272][ T74] inet6_addr_add+0x4f8/0xa40 [ 2727.828272][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2727.828272][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2727.828272][ T74] netlink_rcv_skb+0x130/0x360 [ 2727.828272][ T74] netlink_unicast+0x449/0x710 [ 2727.828272][ T74] netlink_sendmsg+0x723/0xbe0 [ 2727.828272][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2727.828272][ T74] ___sys_sendmsg+0xee/0x170 [ 2727.828272][ T74] __sys_sendmsg+0xcd/0x170 [ 2727.828272][ T74] do_syscall_64+0xc6/0x1e0 [ 2727.828272][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2727.828272][ T74] [ 2727.830290][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2727.830290][ T74] netdev_get_by_index+0x5e/0x80 [ 2727.830290][ T74] fib6_nh_init+0x3d8/0x1580 [ 2727.830290][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2727.830290][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2727.830290][ T74] ipv6_add_addr+0x411/0x2000 [ 2727.830290][ T74] inet6_addr_add+0x30e/0xa40 [ 2727.830290][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2727.830290][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2727.830290][ T74] netlink_rcv_skb+0x130/0x360 [ 2727.830290][ T74] netlink_unicast+0x449/0x710 [ 2727.830290][ T74] netlink_sendmsg+0x723/0xbe0 [ 2727.830290][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2727.830290][ T74] ___sys_sendmsg+0xee/0x170 [ 2727.830290][ T74] __sys_sendmsg+0xcd/0x170 [ 2727.830290][ T74] do_syscall_64+0xc6/0x1e0 [ 2727.830290][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2727.830290][ T74] [ 2727.832328][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2727.832328][ T74] netdev_get_by_index+0x5e/0x80 [ 2727.832328][ T74] fib6_nh_init+0x3d8/0x1580 [ 2727.832328][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2727.832328][ T74] ip6_route_add+0x1c/0x140 [ 2727.832328][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2727.832328][ T74] addrconf_add_dev+0xe2/0x170 [ 2727.832328][ T74] inet6_addr_add+0x12f/0xa40 [ 2727.832328][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2727.832328][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2727.832328][ T74] netlink_rcv_skb+0x130/0x360 [ 2727.832328][ T74] netlink_unicast+0x449/0x710 [ 2727.832328][ T74] netlink_sendmsg+0x723/0xbe0 [ 2727.832328][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2727.832328][ T74] ___sys_sendmsg+0xee/0x170 [ 2727.832328][ T74] __sys_sendmsg+0xcd/0x170 [ 2727.832328][ T74] do_syscall_64+0xc6/0x1e0 [ 2727.832328][ T74] [ 2727.834306][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2727.834306][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2727.834306][ T74] ipv6_find_idev+0x102/0x170 [ 2727.834306][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2727.834306][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2727.834306][ T74] netlink_rcv_skb+0x130/0x360 [ 2727.834306][ T74] netlink_unicast+0x449/0x710 [ 2727.834306][ T74] netlink_sendmsg+0x723/0xbe0 [ 2727.834306][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2727.834306][ T74] ___sys_sendmsg+0xee/0x170 [ 2727.834306][ T74] __sys_sendmsg+0xcd/0x170 [ 2727.834306][ T74] do_syscall_64+0xc6/0x1e0 [ 2727.834306][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2727.834306][ T74] [ 2727.835869][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2727.835869][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2727.835869][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2727.835869][ T74] ipv6_find_idev+0x102/0x170 [ 2727.835869][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2727.835869][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2727.835869][ T74] netlink_rcv_skb+0x130/0x360 [ 2727.835869][ T74] netlink_unicast+0x449/0x710 [ 2727.835869][ T74] netlink_sendmsg+0x723/0xbe0 [ 2727.835869][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2727.835869][ T74] ___sys_sendmsg+0xee/0x170 [ 2727.835869][ T74] __sys_sendmsg+0xcd/0x170 [ 2727.835869][ T74] do_syscall_64+0xc6/0x1e0 [ 2727.835869][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2727.835869][ T74] [ 2727.837584][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2727.837861][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2727.837861][ T74] dst_init+0x84/0x4a0 [ 2727.837861][ T74] dst_alloc+0x97/0x150 [ 2727.837861][ T74] ip6_dst_alloc+0x23/0x90 [ 2727.837861][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2727.837861][ T74] ip6_pol_route+0x56f/0x840 [ 2727.837861][ T74] fib6_rule_lookup+0x456/0x630 [ 2727.837861][ T74] ip6_route_input+0x59c/0xa50 [ 2727.837861][ T74] ipv6_rcv+0x397/0x810 [ 2727.837861][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2727.837861][ T74] process_backlog+0x101/0x620 [ 2727.837861][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2727.837861][ T74] net_rx_action+0x495/0xbe0 [ 2727.837861][ T74] __do_softirq+0x1b5/0x7f6 [ 2727.837861][ T74] [ 2727.839504][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2727.839504][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2727.839504][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2727.839504][ T74] fib6_nh_init+0xa22/0x1580 [ 2727.839504][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2727.839504][ T74] ip6_route_add+0x1c/0x140 [ 2727.839504][ T74] inet6_rtm_newroute+0x104/0x110 [ 2727.839504][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2727.839504][ T74] netlink_rcv_skb+0x130/0x360 [ 2727.839504][ T74] netlink_unicast+0x449/0x710 [ 2727.839504][ T74] netlink_sendmsg+0x723/0xbe0 [ 2727.839504][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2727.839504][ T74] ___sys_sendmsg+0xee/0x170 [ 2727.839504][ T74] __sys_sendmsg+0xcd/0x170 [ 2727.839504][ T74] do_syscall_64+0xc6/0x1e0 [ 2727.839504][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2727.839504][ T74] [ 2727.841408][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2727.841408][ T74] netdev_get_by_index+0x5e/0x80 [ 2727.841408][ T74] fib6_nh_init+0x3d8/0x1580 [ 2727.841408][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2727.841408][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2727.841408][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2727.841408][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2727.841408][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2727.841408][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2727.841408][ T74] addrconf_dad_begin+0x310/0x670 [ 2727.841408][ T74] addrconf_dad_work+0x10b/0xab0 [ 2727.841408][ T74] process_one_work+0x84d/0x18a0 [ 2727.841408][ T74] worker_thread+0x587/0xd30 [ 2727.841408][ T74] kthread+0x28a/0x350 [ 2727.841408][ T74] ret_from_fork+0x31/0x70 [ 2727.841408][ T74] ret_from_fork_asm+0x1a/0x30 [ 2727.841408][ T74] [ 2727.843328][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2727.843328][ T74] netdev_get_by_index+0x5e/0x80 [ 2727.843328][ T74] fib6_nh_init+0x3d8/0x1580 [ 2727.843328][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2727.843328][ T74] ip6_route_add+0x1c/0x140 [ 2727.843328][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2727.843328][ T74] inet6_addr_add+0x4f8/0xa40 [ 2727.843328][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2727.843328][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2727.843328][ T74] netlink_rcv_skb+0x130/0x360 [ 2727.843328][ T74] netlink_unicast+0x449/0x710 [ 2727.843328][ T74] netlink_sendmsg+0x723/0xbe0 [ 2727.843328][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2727.843328][ T74] ___sys_sendmsg+0xee/0x170 [ 2727.843328][ T74] __sys_sendmsg+0xcd/0x170 [ 2727.843328][ T74] do_syscall_64+0xc6/0x1e0 [ 2727.843328][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2727.843328][ T74] [ 2727.845335][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2727.845335][ T74] netdev_get_by_index+0x5e/0x80 [ 2727.845335][ T74] fib6_nh_init+0x3d8/0x1580 [ 2727.845335][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2727.845335][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2727.845335][ T74] ipv6_add_addr+0x411/0x2000 [ 2727.845335][ T74] inet6_addr_add+0x30e/0xa40 [ 2727.845335][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2727.845335][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2727.845335][ T74] netlink_rcv_skb+0x130/0x360 [ 2727.845335][ T74] netlink_unicast+0x449/0x710 [ 2727.845335][ T74] netlink_sendmsg+0x723/0xbe0 [ 2727.845335][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2727.845335][ T74] ___sys_sendmsg+0xee/0x170 [ 2727.845335][ T74] __sys_sendmsg+0xcd/0x170 [ 2727.845335][ T74] do_syscall_64+0xc6/0x1e0 [ 2727.845335][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2727.845335][ T74] [ 2727.847355][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2727.847355][ T74] netdev_get_by_index+0x5e/0x80 [ 2727.847355][ T74] fib6_nh_init+0x3d8/0x1580 [ 2727.847355][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2727.847355][ T74] ip6_route_add+0x1c/0x140 [ 2727.847355][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2727.847355][ T74] addrconf_add_dev+0xe2/0x170 [ 2727.847355][ T74] inet6_addr_add+0x12f/0xa40 [ 2727.847355][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2727.847355][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2727.847355][ T74] netlink_rcv_skb+0x130/0x360 [ 2727.847355][ T74] netlink_unicast+0x449/0x710 [ 2727.847355][ T74] netlink_sendmsg+0x723/0xbe0 [ 2727.847355][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2727.847355][ T74] ___sys_sendmsg+0xee/0x170 [ 2727.847355][ T74] __sys_sendmsg+0xcd/0x170 [ 2727.847355][ T74] do_syscall_64+0xc6/0x1e0 [ 2727.847355][ T74] [ 2727.849326][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2727.849326][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2727.849326][ T74] ipv6_find_idev+0x102/0x170 [ 2727.849326][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2727.849326][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2727.849326][ T74] netlink_rcv_skb+0x130/0x360 [ 2727.849326][ T74] netlink_unicast+0x449/0x710 [ 2727.849326][ T74] netlink_sendmsg+0x723/0xbe0 [ 2727.849326][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2727.849326][ T74] ___sys_sendmsg+0xee/0x170 [ 2727.849326][ T74] __sys_sendmsg+0xcd/0x170 [ 2727.849326][ T74] do_syscall_64+0xc6/0x1e0 [ 2727.849326][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2727.849326][ T74] [ 2727.851054][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2727.851054][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2727.851054][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2727.851054][ T74] ipv6_find_idev+0x102/0x170 [ 2727.851054][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2727.851054][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2727.851054][ T74] netlink_rcv_skb+0x130/0x360 [ 2727.851054][ T74] netlink_unicast+0x449/0x710 [ 2727.851054][ T74] netlink_sendmsg+0x723/0xbe0 [ 2727.851054][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2727.851054][ T74] ___sys_sendmsg+0xee/0x170 [ 2727.851054][ T74] __sys_sendmsg+0xcd/0x170 [ 2727.851054][ T74] do_syscall_64+0xc6/0x1e0 [ 2727.851054][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2727.851054][ T74] [ 2727.853055][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2727.853366][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2727.853366][ T74] netdev_get_by_index+0x5e/0x80 [ 2727.853366][ T74] fib6_nh_init+0x3d8/0x1580 [ 2727.853366][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2727.853366][ T74] ip6_route_add+0x1c/0x140 [ 2727.853366][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2727.853366][ T74] inet6_addr_add+0x4f8/0xa40 [ 2727.853366][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2727.853366][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2727.853366][ T74] netlink_rcv_skb+0x130/0x360 [ 2727.853366][ T74] netlink_unicast+0x449/0x710 [ 2727.853366][ T74] netlink_sendmsg+0x723/0xbe0 [ 2727.853366][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2727.853366][ T74] ___sys_sendmsg+0xee/0x170 [ 2727.853366][ T74] __sys_sendmsg+0xcd/0x170 [ 2727.853366][ T74] do_syscall_64+0xc6/0x1e0 [ 2727.853366][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2727.853366][ T74] [ 2727.856086][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2727.856086][ T74] netdev_get_by_index+0x5e/0x80 [ 2727.856086][ T74] fib6_nh_init+0x3d8/0x1580 [ 2727.856086][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2727.856086][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2727.856086][ T74] ipv6_add_addr+0x411/0x2000 [ 2727.856086][ T74] inet6_addr_add+0x30e/0xa40 [ 2727.856086][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2727.856086][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2727.856086][ T74] netlink_rcv_skb+0x130/0x360 [ 2727.856086][ T74] netlink_unicast+0x449/0x710 [ 2727.856086][ T74] netlink_sendmsg+0x723/0xbe0 [ 2727.856086][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2727.856086][ T74] ___sys_sendmsg+0xee/0x170 [ 2727.856086][ T74] __sys_sendmsg+0xcd/0x170 [ 2727.856086][ T74] do_syscall_64+0xc6/0x1e0 [ 2727.856086][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2727.856086][ T74] [ 2727.858706][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2727.858706][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2727.858706][ T74] ipv6_find_idev+0x102/0x170 [ 2727.858706][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2727.858706][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2727.858706][ T74] netlink_rcv_skb+0x130/0x360 [ 2727.858706][ T74] netlink_unicast+0x449/0x710 [ 2727.858706][ T74] netlink_sendmsg+0x723/0xbe0 [ 2727.858706][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2727.858706][ T74] ___sys_sendmsg+0xee/0x170 [ 2727.858706][ T74] __sys_sendmsg+0xcd/0x170 [ 2727.858706][ T74] do_syscall_64+0xc6/0x1e0 [ 2727.858706][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2727.858706][ T74] [ 2727.860436][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2727.860436][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2727.860436][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2727.860436][ T74] ipv6_find_idev+0x102/0x170 [ 2727.860436][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2727.860436][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2727.860436][ T74] netlink_rcv_skb+0x130/0x360 [ 2727.860436][ T74] netlink_unicast+0x449/0x710 [ 2727.860436][ T74] netlink_sendmsg+0x723/0xbe0 [ 2727.860436][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2727.860436][ T74] ___sys_sendmsg+0xee/0x170 [ 2727.860436][ T74] __sys_sendmsg+0xcd/0x170 [ 2727.860436][ T74] do_syscall_64+0xc6/0x1e0 [ 2727.860436][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2727.860436][ T74] [ 2738.104000][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2738.104588][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2738.104588][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2738.104588][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2738.104588][ T74] fib6_nh_init+0xa22/0x1580 [ 2738.104588][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2738.104588][ T74] ip6_route_add+0x1c/0x140 [ 2738.104588][ T74] inet6_rtm_newroute+0x104/0x110 [ 2738.104588][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.104588][ T74] netlink_rcv_skb+0x130/0x360 [ 2738.104588][ T74] netlink_unicast+0x449/0x710 [ 2738.104588][ T74] netlink_sendmsg+0x723/0xbe0 [ 2738.104588][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2738.104588][ T74] ___sys_sendmsg+0xee/0x170 [ 2738.104588][ T74] __sys_sendmsg+0xcd/0x170 [ 2738.104588][ T74] do_syscall_64+0xc6/0x1e0 [ 2738.104588][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2738.104588][ T74] [ 2738.107010][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2738.107010][ T74] netdev_get_by_index+0x5e/0x80 [ 2738.107010][ T74] fib6_nh_init+0x3d8/0x1580 [ 2738.107010][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2738.107010][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2738.107010][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2738.107010][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2738.107010][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2738.107010][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2738.107010][ T74] addrconf_dad_begin+0x310/0x670 [ 2738.107010][ T74] addrconf_dad_work+0x10b/0xab0 [ 2738.107010][ T74] process_one_work+0x84d/0x18a0 [ 2738.107010][ T74] worker_thread+0x587/0xd30 [ 2738.107010][ T74] kthread+0x28a/0x350 [ 2738.107010][ T74] ret_from_fork+0x31/0x70 [ 2738.107010][ T74] ret_from_fork_asm+0x1a/0x30 [ 2738.107010][ T74] [ 2738.108954][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2738.108954][ T74] netdev_get_by_index+0x5e/0x80 [ 2738.108954][ T74] fib6_nh_init+0x3d8/0x1580 [ 2738.108954][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2738.108954][ T74] ip6_route_add+0x1c/0x140 [ 2738.108954][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2738.108954][ T74] inet6_addr_add+0x4f8/0xa40 [ 2738.108954][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2738.108954][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.108954][ T74] netlink_rcv_skb+0x130/0x360 [ 2738.108954][ T74] netlink_unicast+0x449/0x710 [ 2738.108954][ T74] netlink_sendmsg+0x723/0xbe0 [ 2738.108954][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2738.108954][ T74] ___sys_sendmsg+0xee/0x170 [ 2738.108954][ T74] __sys_sendmsg+0xcd/0x170 [ 2738.108954][ T74] do_syscall_64+0xc6/0x1e0 [ 2738.108954][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2738.108954][ T74] [ 2738.110974][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2738.110974][ T74] netdev_get_by_index+0x5e/0x80 [ 2738.110974][ T74] fib6_nh_init+0x3d8/0x1580 [ 2738.110974][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2738.110974][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2738.110974][ T74] ipv6_add_addr+0x411/0x2000 [ 2738.110974][ T74] inet6_addr_add+0x30e/0xa40 [ 2738.110974][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2738.110974][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.110974][ T74] netlink_rcv_skb+0x130/0x360 [ 2738.110974][ T74] netlink_unicast+0x449/0x710 [ 2738.110974][ T74] netlink_sendmsg+0x723/0xbe0 [ 2738.110974][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2738.110974][ T74] ___sys_sendmsg+0xee/0x170 [ 2738.110974][ T74] __sys_sendmsg+0xcd/0x170 [ 2738.110974][ T74] do_syscall_64+0xc6/0x1e0 [ 2738.110974][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2738.110974][ T74] [ 2738.113003][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2738.113003][ T74] netdev_get_by_index+0x5e/0x80 [ 2738.113003][ T74] fib6_nh_init+0x3d8/0x1580 [ 2738.113003][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2738.113003][ T74] ip6_route_add+0x1c/0x140 [ 2738.113003][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2738.113003][ T74] addrconf_add_dev+0xe2/0x170 [ 2738.113003][ T74] inet6_addr_add+0x12f/0xa40 [ 2738.113003][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2738.113003][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.113003][ T74] netlink_rcv_skb+0x130/0x360 [ 2738.113003][ T74] netlink_unicast+0x449/0x710 [ 2738.113003][ T74] netlink_sendmsg+0x723/0xbe0 [ 2738.113003][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2738.113003][ T74] ___sys_sendmsg+0xee/0x170 [ 2738.113003][ T74] __sys_sendmsg+0xcd/0x170 [ 2738.113003][ T74] do_syscall_64+0xc6/0x1e0 [ 2738.113003][ T74] [ 2738.115004][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2738.115004][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2738.115004][ T74] ipv6_find_idev+0x102/0x170 [ 2738.115004][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2738.115004][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.115004][ T74] netlink_rcv_skb+0x130/0x360 [ 2738.115004][ T74] netlink_unicast+0x449/0x710 [ 2738.115004][ T74] netlink_sendmsg+0x723/0xbe0 [ 2738.115004][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2738.115004][ T74] ___sys_sendmsg+0xee/0x170 [ 2738.115004][ T74] __sys_sendmsg+0xcd/0x170 [ 2738.115004][ T74] do_syscall_64+0xc6/0x1e0 [ 2738.115004][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2738.115004][ T74] [ 2738.116584][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2738.116584][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2738.116584][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2738.116584][ T74] ipv6_find_idev+0x102/0x170 [ 2738.116584][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2738.116584][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.116584][ T74] netlink_rcv_skb+0x130/0x360 [ 2738.116584][ T74] netlink_unicast+0x449/0x710 [ 2738.116584][ T74] netlink_sendmsg+0x723/0xbe0 [ 2738.116584][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2738.116584][ T74] ___sys_sendmsg+0xee/0x170 [ 2738.116584][ T74] __sys_sendmsg+0xcd/0x170 [ 2738.116584][ T74] do_syscall_64+0xc6/0x1e0 [ 2738.116584][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2738.116584][ T74] [ 2738.118328][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2738.118614][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2738.118614][ T74] dst_init+0x84/0x4a0 [ 2738.118614][ T74] dst_alloc+0x97/0x150 [ 2738.118614][ T74] ip6_dst_alloc+0x23/0x90 [ 2738.118614][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2738.118614][ T74] ip6_pol_route+0x56f/0x840 [ 2738.118614][ T74] fib6_rule_lookup+0x456/0x630 [ 2738.118614][ T74] ip6_route_input+0x59c/0xa50 [ 2738.118614][ T74] ipv6_rcv+0x397/0x810 [ 2738.118614][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2738.118614][ T74] process_backlog+0x101/0x620 [ 2738.118614][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2738.118614][ T74] net_rx_action+0x495/0xbe0 [ 2738.118614][ T74] __do_softirq+0x1b5/0x7f6 [ 2738.118614][ T74] [ 2738.120282][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2738.120282][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2738.120282][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2738.120282][ T74] fib6_nh_init+0xa22/0x1580 [ 2738.120282][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2738.120282][ T74] ip6_route_add+0x1c/0x140 [ 2738.120282][ T74] inet6_rtm_newroute+0x104/0x110 [ 2738.120282][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.120282][ T74] netlink_rcv_skb+0x130/0x360 [ 2738.120282][ T74] netlink_unicast+0x449/0x710 [ 2738.120282][ T74] netlink_sendmsg+0x723/0xbe0 [ 2738.120282][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2738.120282][ T74] ___sys_sendmsg+0xee/0x170 [ 2738.120282][ T74] __sys_sendmsg+0xcd/0x170 [ 2738.120282][ T74] do_syscall_64+0xc6/0x1e0 [ 2738.120282][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2738.120282][ T74] [ 2738.122187][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2738.122187][ T74] netdev_get_by_index+0x5e/0x80 [ 2738.122187][ T74] fib6_nh_init+0x3d8/0x1580 [ 2738.122187][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2738.122187][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2738.122187][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2738.122187][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2738.122187][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2738.122187][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2738.122187][ T74] addrconf_dad_begin+0x310/0x670 [ 2738.122187][ T74] addrconf_dad_work+0x10b/0xab0 [ 2738.122187][ T74] process_one_work+0x84d/0x18a0 [ 2738.122187][ T74] worker_thread+0x587/0xd30 [ 2738.122187][ T74] kthread+0x28a/0x350 [ 2738.122187][ T74] ret_from_fork+0x31/0x70 [ 2738.122187][ T74] ret_from_fork_asm+0x1a/0x30 [ 2738.122187][ T74] [ 2738.124122][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2738.124122][ T74] netdev_get_by_index+0x5e/0x80 [ 2738.124122][ T74] fib6_nh_init+0x3d8/0x1580 [ 2738.124122][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2738.124122][ T74] ip6_route_add+0x1c/0x140 [ 2738.124122][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2738.124122][ T74] inet6_addr_add+0x4f8/0xa40 [ 2738.124122][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2738.124122][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.124122][ T74] netlink_rcv_skb+0x130/0x360 [ 2738.124122][ T74] netlink_unicast+0x449/0x710 [ 2738.124122][ T74] netlink_sendmsg+0x723/0xbe0 [ 2738.124122][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2738.124122][ T74] ___sys_sendmsg+0xee/0x170 [ 2738.124122][ T74] __sys_sendmsg+0xcd/0x170 [ 2738.124122][ T74] do_syscall_64+0xc6/0x1e0 [ 2738.124122][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2738.124122][ T74] [ 2738.126217][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2738.126217][ T74] netdev_get_by_index+0x5e/0x80 [ 2738.126217][ T74] fib6_nh_init+0x3d8/0x1580 [ 2738.126217][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2738.126217][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2738.126217][ T74] ipv6_add_addr+0x411/0x2000 [ 2738.126217][ T74] inet6_addr_add+0x30e/0xa40 [ 2738.126217][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2738.126217][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.126217][ T74] netlink_rcv_skb+0x130/0x360 [ 2738.126217][ T74] netlink_unicast+0x449/0x710 [ 2738.126217][ T74] netlink_sendmsg+0x723/0xbe0 [ 2738.126217][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2738.126217][ T74] ___sys_sendmsg+0xee/0x170 [ 2738.126217][ T74] __sys_sendmsg+0xcd/0x170 [ 2738.126217][ T74] do_syscall_64+0xc6/0x1e0 [ 2738.126217][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2738.126217][ T74] [ 2738.128271][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2738.128271][ T74] netdev_get_by_index+0x5e/0x80 [ 2738.128271][ T74] fib6_nh_init+0x3d8/0x1580 [ 2738.128271][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2738.128271][ T74] ip6_route_add+0x1c/0x140 [ 2738.128271][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2738.128271][ T74] addrconf_add_dev+0xe2/0x170 [ 2738.128271][ T74] inet6_addr_add+0x12f/0xa40 [ 2738.128271][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2738.128271][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.128271][ T74] netlink_rcv_skb+0x130/0x360 [ 2738.128271][ T74] netlink_unicast+0x449/0x710 [ 2738.128271][ T74] netlink_sendmsg+0x723/0xbe0 [ 2738.128271][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2738.128271][ T74] ___sys_sendmsg+0xee/0x170 [ 2738.128271][ T74] __sys_sendmsg+0xcd/0x170 [ 2738.128271][ T74] do_syscall_64+0xc6/0x1e0 [ 2738.128271][ T74] [ 2738.130297][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2738.130297][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2738.130297][ T74] ipv6_find_idev+0x102/0x170 [ 2738.130297][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2738.130297][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.130297][ T74] netlink_rcv_skb+0x130/0x360 [ 2738.130297][ T74] netlink_unicast+0x449/0x710 [ 2738.130297][ T74] netlink_sendmsg+0x723/0xbe0 [ 2738.130297][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2738.130297][ T74] ___sys_sendmsg+0xee/0x170 [ 2738.130297][ T74] __sys_sendmsg+0xcd/0x170 [ 2738.130297][ T74] do_syscall_64+0xc6/0x1e0 [ 2738.130297][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2738.130297][ T74] [ 2738.132056][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2738.132056][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2738.132056][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2738.132056][ T74] ipv6_find_idev+0x102/0x170 [ 2738.132056][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2738.132056][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.132056][ T74] netlink_rcv_skb+0x130/0x360 [ 2738.132056][ T74] netlink_unicast+0x449/0x710 [ 2738.132056][ T74] netlink_sendmsg+0x723/0xbe0 [ 2738.132056][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2738.132056][ T74] ___sys_sendmsg+0xee/0x170 [ 2738.132056][ T74] __sys_sendmsg+0xcd/0x170 [ 2738.132056][ T74] do_syscall_64+0xc6/0x1e0 [ 2738.132056][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2738.132056][ T74] [ 2738.134038][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2738.134345][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2738.134345][ T74] netdev_get_by_index+0x5e/0x80 [ 2738.134345][ T74] fib6_nh_init+0x3d8/0x1580 [ 2738.134345][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2738.134345][ T74] ip6_route_add+0x1c/0x140 [ 2738.134345][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2738.134345][ T74] inet6_addr_add+0x4f8/0xa40 [ 2738.134345][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2738.134345][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.134345][ T74] netlink_rcv_skb+0x130/0x360 [ 2738.134345][ T74] netlink_unicast+0x449/0x710 [ 2738.134345][ T74] netlink_sendmsg+0x723/0xbe0 [ 2738.134345][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2738.134345][ T74] ___sys_sendmsg+0xee/0x170 [ 2738.134345][ T74] __sys_sendmsg+0xcd/0x170 [ 2738.134345][ T74] do_syscall_64+0xc6/0x1e0 [ 2738.134345][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2738.134345][ T74] [ 2738.136558][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2738.136558][ T74] netdev_get_by_index+0x5e/0x80 [ 2738.136558][ T74] fib6_nh_init+0x3d8/0x1580 [ 2738.136558][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2738.136558][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2738.136558][ T74] ipv6_add_addr+0x411/0x2000 [ 2738.136558][ T74] inet6_addr_add+0x30e/0xa40 [ 2738.136558][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2738.136558][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.136558][ T74] netlink_rcv_skb+0x130/0x360 [ 2738.136558][ T74] netlink_unicast+0x449/0x710 [ 2738.136558][ T74] netlink_sendmsg+0x723/0xbe0 [ 2738.136558][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2738.136558][ T74] ___sys_sendmsg+0xee/0x170 [ 2738.136558][ T74] __sys_sendmsg+0xcd/0x170 [ 2738.136558][ T74] do_syscall_64+0xc6/0x1e0 [ 2738.136558][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2738.136558][ T74] [ 2738.138823][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2738.138823][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2738.138823][ T74] ipv6_find_idev+0x102/0x170 [ 2738.138823][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2738.138823][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.138823][ T74] netlink_rcv_skb+0x130/0x360 [ 2738.138823][ T74] netlink_unicast+0x449/0x710 [ 2738.138823][ T74] netlink_sendmsg+0x723/0xbe0 [ 2738.138823][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2738.138823][ T74] ___sys_sendmsg+0xee/0x170 [ 2738.138823][ T74] __sys_sendmsg+0xcd/0x170 [ 2738.138823][ T74] do_syscall_64+0xc6/0x1e0 [ 2738.138823][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2738.138823][ T74] [ 2738.140569][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2738.140569][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2738.140569][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2738.140569][ T74] ipv6_find_idev+0x102/0x170 [ 2738.140569][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2738.140569][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.140569][ T74] netlink_rcv_skb+0x130/0x360 [ 2738.140569][ T74] netlink_unicast+0x449/0x710 [ 2738.140569][ T74] netlink_sendmsg+0x723/0xbe0 [ 2738.140569][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2738.140569][ T74] ___sys_sendmsg+0xee/0x170 [ 2738.140569][ T74] __sys_sendmsg+0xcd/0x170 [ 2738.140569][ T74] do_syscall_64+0xc6/0x1e0 [ 2738.140569][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2738.140569][ T74] [ 2748.383968][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2748.384333][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2748.384333][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2748.384333][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2748.384333][ T74] fib6_nh_init+0xa22/0x1580 [ 2748.384333][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2748.384333][ T74] ip6_route_add+0x1c/0x140 [ 2748.384333][ T74] inet6_rtm_newroute+0x104/0x110 [ 2748.384333][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2748.384333][ T74] netlink_rcv_skb+0x130/0x360 [ 2748.384333][ T74] netlink_unicast+0x449/0x710 [ 2748.384333][ T74] netlink_sendmsg+0x723/0xbe0 [ 2748.384333][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2748.384333][ T74] ___sys_sendmsg+0xee/0x170 [ 2748.384333][ T74] __sys_sendmsg+0xcd/0x170 [ 2748.384333][ T74] do_syscall_64+0xc6/0x1e0 [ 2748.384333][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2748.384333][ T74] [ 2748.386243][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2748.386243][ T74] netdev_get_by_index+0x5e/0x80 [ 2748.386243][ T74] fib6_nh_init+0x3d8/0x1580 [ 2748.386243][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2748.386243][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2748.386243][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2748.386243][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2748.386243][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2748.386243][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2748.386243][ T74] addrconf_dad_begin+0x310/0x670 [ 2748.386243][ T74] addrconf_dad_work+0x10b/0xab0 [ 2748.386243][ T74] process_one_work+0x84d/0x18a0 [ 2748.386243][ T74] worker_thread+0x587/0xd30 [ 2748.386243][ T74] kthread+0x28a/0x350 [ 2748.386243][ T74] ret_from_fork+0x31/0x70 [ 2748.386243][ T74] ret_from_fork_asm+0x1a/0x30 [ 2748.386243][ T74] [ 2748.388157][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2748.388157][ T74] netdev_get_by_index+0x5e/0x80 [ 2748.388157][ T74] fib6_nh_init+0x3d8/0x1580 [ 2748.388157][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2748.388157][ T74] ip6_route_add+0x1c/0x140 [ 2748.388157][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2748.388157][ T74] inet6_addr_add+0x4f8/0xa40 [ 2748.388157][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2748.388157][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2748.388157][ T74] netlink_rcv_skb+0x130/0x360 [ 2748.388157][ T74] netlink_unicast+0x449/0x710 [ 2748.388157][ T74] netlink_sendmsg+0x723/0xbe0 [ 2748.388157][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2748.388157][ T74] ___sys_sendmsg+0xee/0x170 [ 2748.388157][ T74] __sys_sendmsg+0xcd/0x170 [ 2748.388157][ T74] do_syscall_64+0xc6/0x1e0 [ 2748.388157][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2748.388157][ T74] [ 2748.390166][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2748.390166][ T74] netdev_get_by_index+0x5e/0x80 [ 2748.390166][ T74] fib6_nh_init+0x3d8/0x1580 [ 2748.390166][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2748.390166][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2748.390166][ T74] ipv6_add_addr+0x411/0x2000 [ 2748.390166][ T74] inet6_addr_add+0x30e/0xa40 [ 2748.390166][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2748.390166][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2748.390166][ T74] netlink_rcv_skb+0x130/0x360 [ 2748.390166][ T74] netlink_unicast+0x449/0x710 [ 2748.390166][ T74] netlink_sendmsg+0x723/0xbe0 [ 2748.390166][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2748.390166][ T74] ___sys_sendmsg+0xee/0x170 [ 2748.390166][ T74] __sys_sendmsg+0xcd/0x170 [ 2748.390166][ T74] do_syscall_64+0xc6/0x1e0 [ 2748.390166][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2748.390166][ T74] [ 2748.392163][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2748.392163][ T74] netdev_get_by_index+0x5e/0x80 [ 2748.392163][ T74] fib6_nh_init+0x3d8/0x1580 [ 2748.392163][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2748.392163][ T74] ip6_route_add+0x1c/0x140 [ 2748.392163][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2748.392163][ T74] addrconf_add_dev+0xe2/0x170 [ 2748.392163][ T74] inet6_addr_add+0x12f/0xa40 [ 2748.392163][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2748.392163][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2748.392163][ T74] netlink_rcv_skb+0x130/0x360 [ 2748.392163][ T74] netlink_unicast+0x449/0x710 [ 2748.392163][ T74] netlink_sendmsg+0x723/0xbe0 [ 2748.392163][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2748.392163][ T74] ___sys_sendmsg+0xee/0x170 [ 2748.392163][ T74] __sys_sendmsg+0xcd/0x170 [ 2748.392163][ T74] do_syscall_64+0xc6/0x1e0 [ 2748.392163][ T74] [ 2748.394130][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2748.394130][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2748.394130][ T74] ipv6_find_idev+0x102/0x170 [ 2748.394130][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2748.394130][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2748.394130][ T74] netlink_rcv_skb+0x130/0x360 [ 2748.394130][ T74] netlink_unicast+0x449/0x710 [ 2748.394130][ T74] netlink_sendmsg+0x723/0xbe0 [ 2748.394130][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2748.394130][ T74] ___sys_sendmsg+0xee/0x170 [ 2748.394130][ T74] __sys_sendmsg+0xcd/0x170 [ 2748.394130][ T74] do_syscall_64+0xc6/0x1e0 [ 2748.394130][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2748.394130][ T74] [ 2748.395673][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2748.395673][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2748.395673][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2748.395673][ T74] ipv6_find_idev+0x102/0x170 [ 2748.395673][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2748.395673][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2748.395673][ T74] netlink_rcv_skb+0x130/0x360 [ 2748.395673][ T74] netlink_unicast+0x449/0x710 [ 2748.395673][ T74] netlink_sendmsg+0x723/0xbe0 [ 2748.395673][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2748.395673][ T74] ___sys_sendmsg+0xee/0x170 [ 2748.395673][ T74] __sys_sendmsg+0xcd/0x170 [ 2748.395673][ T74] do_syscall_64+0xc6/0x1e0 [ 2748.395673][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2748.395673][ T74] [ 2748.397353][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2748.397638][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2748.397638][ T74] dst_init+0x84/0x4a0 [ 2748.397638][ T74] dst_alloc+0x97/0x150 [ 2748.397638][ T74] ip6_dst_alloc+0x23/0x90 [ 2748.397638][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2748.397638][ T74] ip6_pol_route+0x56f/0x840 [ 2748.397638][ T74] fib6_rule_lookup+0x456/0x630 [ 2748.397638][ T74] ip6_route_input+0x59c/0xa50 [ 2748.397638][ T74] ipv6_rcv+0x397/0x810 [ 2748.397638][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2748.397638][ T74] process_backlog+0x101/0x620 [ 2748.397638][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2748.397638][ T74] net_rx_action+0x495/0xbe0 [ 2748.397638][ T74] __do_softirq+0x1b5/0x7f6 [ 2748.397638][ T74] [ 2748.399276][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2748.399276][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2748.399276][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2748.399276][ T74] fib6_nh_init+0xa22/0x1580 [ 2748.399276][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2748.399276][ T74] ip6_route_add+0x1c/0x140 [ 2748.399276][ T74] inet6_rtm_newroute+0x104/0x110 [ 2748.399276][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2748.399276][ T74] netlink_rcv_skb+0x130/0x360 [ 2748.399276][ T74] netlink_unicast+0x449/0x710 [ 2748.399276][ T74] netlink_sendmsg+0x723/0xbe0 [ 2748.399276][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2748.399276][ T74] ___sys_sendmsg+0xee/0x170 [ 2748.399276][ T74] __sys_sendmsg+0xcd/0x170 [ 2748.399276][ T74] do_syscall_64+0xc6/0x1e0 [ 2748.399276][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2748.399276][ T74] [ 2748.401148][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2748.401148][ T74] netdev_get_by_index+0x5e/0x80 [ 2748.401148][ T74] fib6_nh_init+0x3d8/0x1580 [ 2748.401148][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2748.401148][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2748.401148][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2748.401148][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2748.401148][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2748.401148][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2748.401148][ T74] addrconf_dad_begin+0x310/0x670 [ 2748.401148][ T74] addrconf_dad_work+0x10b/0xab0 [ 2748.401148][ T74] process_one_work+0x84d/0x18a0 [ 2748.401148][ T74] worker_thread+0x587/0xd30 [ 2748.401148][ T74] kthread+0x28a/0x350 [ 2748.401148][ T74] ret_from_fork+0x31/0x70 [ 2748.401148][ T74] ret_from_fork_asm+0x1a/0x30 [ 2748.401148][ T74] [ 2748.403048][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2748.403048][ T74] netdev_get_by_index+0x5e/0x80 [ 2748.403048][ T74] fib6_nh_init+0x3d8/0x1580 [ 2748.403048][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2748.403048][ T74] ip6_route_add+0x1c/0x140 [ 2748.403048][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2748.403048][ T74] inet6_addr_add+0x4f8/0xa40 [ 2748.403048][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2748.403048][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2748.403048][ T74] netlink_rcv_skb+0x130/0x360 [ 2748.403048][ T74] netlink_unicast+0x449/0x710 [ 2748.403048][ T74] netlink_sendmsg+0x723/0xbe0 [ 2748.403048][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2748.403048][ T74] ___sys_sendmsg+0xee/0x170 [ 2748.403048][ T74] __sys_sendmsg+0xcd/0x170 [ 2748.403048][ T74] do_syscall_64+0xc6/0x1e0 [ 2748.403048][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2748.403048][ T74] [ 2748.405052][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2748.405052][ T74] netdev_get_by_index+0x5e/0x80 [ 2748.405052][ T74] fib6_nh_init+0x3d8/0x1580 [ 2748.405052][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2748.405052][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2748.405052][ T74] ipv6_add_addr+0x411/0x2000 [ 2748.405052][ T74] inet6_addr_add+0x30e/0xa40 [ 2748.405052][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2748.405052][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2748.405052][ T74] netlink_rcv_skb+0x130/0x360 [ 2748.405052][ T74] netlink_unicast+0x449/0x710 [ 2748.405052][ T74] netlink_sendmsg+0x723/0xbe0 [ 2748.405052][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2748.405052][ T74] ___sys_sendmsg+0xee/0x170 [ 2748.405052][ T74] __sys_sendmsg+0xcd/0x170 [ 2748.405052][ T74] do_syscall_64+0xc6/0x1e0 [ 2748.405052][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2748.405052][ T74] [ 2748.407043][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2748.407043][ T74] netdev_get_by_index+0x5e/0x80 [ 2748.407043][ T74] fib6_nh_init+0x3d8/0x1580 [ 2748.407043][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2748.407043][ T74] ip6_route_add+0x1c/0x140 [ 2748.407043][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2748.407043][ T74] addrconf_add_dev+0xe2/0x170 [ 2748.407043][ T74] inet6_addr_add+0x12f/0xa40 [ 2748.407043][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2748.407043][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2748.407043][ T74] netlink_rcv_skb+0x130/0x360 [ 2748.407043][ T74] netlink_unicast+0x449/0x710 [ 2748.407043][ T74] netlink_sendmsg+0x723/0xbe0 [ 2748.407043][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2748.407043][ T74] ___sys_sendmsg+0xee/0x170 [ 2748.407043][ T74] __sys_sendmsg+0xcd/0x170 [ 2748.407043][ T74] do_syscall_64+0xc6/0x1e0 [ 2748.407043][ T74] [ 2748.409001][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2748.409001][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2748.409001][ T74] ipv6_find_idev+0x102/0x170 [ 2748.409001][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2748.409001][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2748.409001][ T74] netlink_rcv_skb+0x130/0x360 [ 2748.409001][ T74] netlink_unicast+0x449/0x710 [ 2748.409001][ T74] netlink_sendmsg+0x723/0xbe0 [ 2748.409001][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2748.409001][ T74] ___sys_sendmsg+0xee/0x170 [ 2748.409001][ T74] __sys_sendmsg+0xcd/0x170 [ 2748.409001][ T74] do_syscall_64+0xc6/0x1e0 [ 2748.409001][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2748.409001][ T74] [ 2748.410676][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2748.410676][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2748.410676][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2748.410676][ T74] ipv6_find_idev+0x102/0x170 [ 2748.410676][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2748.410676][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2748.410676][ T74] netlink_rcv_skb+0x130/0x360 [ 2748.410676][ T74] netlink_unicast+0x449/0x710 [ 2748.410676][ T74] netlink_sendmsg+0x723/0xbe0 [ 2748.410676][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2748.410676][ T74] ___sys_sendmsg+0xee/0x170 [ 2748.410676][ T74] __sys_sendmsg+0xcd/0x170 [ 2748.410676][ T74] do_syscall_64+0xc6/0x1e0 [ 2748.410676][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2748.410676][ T74] [ 2748.412668][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2748.412920][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2748.412920][ T74] netdev_get_by_index+0x5e/0x80 [ 2748.412920][ T74] fib6_nh_init+0x3d8/0x1580 [ 2748.412920][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2748.412920][ T74] ip6_route_add+0x1c/0x140 [ 2748.412920][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2748.412920][ T74] inet6_addr_add+0x4f8/0xa40 [ 2748.412920][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2748.412920][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2748.412920][ T74] netlink_rcv_skb+0x130/0x360 [ 2748.412920][ T74] netlink_unicast+0x449/0x710 [ 2748.412920][ T74] netlink_sendmsg+0x723/0xbe0 [ 2748.412920][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2748.412920][ T74] ___sys_sendmsg+0xee/0x170 [ 2748.412920][ T74] __sys_sendmsg+0xcd/0x170 [ 2748.412920][ T74] do_syscall_64+0xc6/0x1e0 [ 2748.412920][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2748.412920][ T74] [ 2748.415157][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2748.415157][ T74] netdev_get_by_index+0x5e/0x80 [ 2748.415157][ T74] fib6_nh_init+0x3d8/0x1580 [ 2748.415157][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2748.415157][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2748.415157][ T74] ipv6_add_addr+0x411/0x2000 [ 2748.415157][ T74] inet6_addr_add+0x30e/0xa40 [ 2748.415157][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2748.415157][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2748.415157][ T74] netlink_rcv_skb+0x130/0x360 [ 2748.415157][ T74] netlink_unicast+0x449/0x710 [ 2748.415157][ T74] netlink_sendmsg+0x723/0xbe0 [ 2748.415157][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2748.415157][ T74] ___sys_sendmsg+0xee/0x170 [ 2748.415157][ T74] __sys_sendmsg+0xcd/0x170 [ 2748.415157][ T74] do_syscall_64+0xc6/0x1e0 [ 2748.415157][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2748.415157][ T74] [ 2748.417390][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2748.417390][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2748.417390][ T74] ipv6_find_idev+0x102/0x170 [ 2748.417390][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2748.417390][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2748.417390][ T74] netlink_rcv_skb+0x130/0x360 [ 2748.417390][ T74] netlink_unicast+0x449/0x710 [ 2748.417390][ T74] netlink_sendmsg+0x723/0xbe0 [ 2748.417390][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2748.417390][ T74] ___sys_sendmsg+0xee/0x170 [ 2748.417390][ T74] __sys_sendmsg+0xcd/0x170 [ 2748.417390][ T74] do_syscall_64+0xc6/0x1e0 [ 2748.417390][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2748.417390][ T74] [ 2748.419003][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2748.419003][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2748.419003][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2748.419003][ T74] ipv6_find_idev+0x102/0x170 [ 2748.419003][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2748.419003][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2748.419003][ T74] netlink_rcv_skb+0x130/0x360 [ 2748.419003][ T74] netlink_unicast+0x449/0x710 [ 2748.419003][ T74] netlink_sendmsg+0x723/0xbe0 [ 2748.419003][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2748.419003][ T74] ___sys_sendmsg+0xee/0x170 [ 2748.419003][ T74] __sys_sendmsg+0xcd/0x170 [ 2748.419003][ T74] do_syscall_64+0xc6/0x1e0 [ 2748.419003][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2748.419003][ T74] [ 2758.608004][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2758.608366][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2758.608366][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2758.608366][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2758.608366][ T74] fib6_nh_init+0xa22/0x1580 [ 2758.608366][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2758.608366][ T74] ip6_route_add+0x1c/0x140 [ 2758.608366][ T74] inet6_rtm_newroute+0x104/0x110 [ 2758.608366][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.608366][ T74] netlink_rcv_skb+0x130/0x360 [ 2758.608366][ T74] netlink_unicast+0x449/0x710 [ 2758.608366][ T74] netlink_sendmsg+0x723/0xbe0 [ 2758.608366][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2758.608366][ T74] ___sys_sendmsg+0xee/0x170 [ 2758.608366][ T74] __sys_sendmsg+0xcd/0x170 [ 2758.608366][ T74] do_syscall_64+0xc6/0x1e0 [ 2758.608366][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2758.608366][ T74] [ 2758.610273][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2758.610273][ T74] netdev_get_by_index+0x5e/0x80 [ 2758.610273][ T74] fib6_nh_init+0x3d8/0x1580 [ 2758.610273][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2758.610273][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2758.610273][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2758.610273][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2758.610273][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2758.610273][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2758.610273][ T74] addrconf_dad_begin+0x310/0x670 [ 2758.610273][ T74] addrconf_dad_work+0x10b/0xab0 [ 2758.610273][ T74] process_one_work+0x84d/0x18a0 [ 2758.610273][ T74] worker_thread+0x587/0xd30 [ 2758.610273][ T74] kthread+0x28a/0x350 [ 2758.610273][ T74] ret_from_fork+0x31/0x70 [ 2758.610273][ T74] ret_from_fork_asm+0x1a/0x30 [ 2758.610273][ T74] [ 2758.612179][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2758.612179][ T74] netdev_get_by_index+0x5e/0x80 [ 2758.612179][ T74] fib6_nh_init+0x3d8/0x1580 [ 2758.612179][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2758.612179][ T74] ip6_route_add+0x1c/0x140 [ 2758.612179][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2758.612179][ T74] inet6_addr_add+0x4f8/0xa40 [ 2758.612179][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2758.612179][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.612179][ T74] netlink_rcv_skb+0x130/0x360 [ 2758.612179][ T74] netlink_unicast+0x449/0x710 [ 2758.612179][ T74] netlink_sendmsg+0x723/0xbe0 [ 2758.612179][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2758.612179][ T74] ___sys_sendmsg+0xee/0x170 [ 2758.612179][ T74] __sys_sendmsg+0xcd/0x170 [ 2758.612179][ T74] do_syscall_64+0xc6/0x1e0 [ 2758.612179][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2758.612179][ T74] [ 2758.614174][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2758.614174][ T74] netdev_get_by_index+0x5e/0x80 [ 2758.614174][ T74] fib6_nh_init+0x3d8/0x1580 [ 2758.614174][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2758.614174][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2758.614174][ T74] ipv6_add_addr+0x411/0x2000 [ 2758.614174][ T74] inet6_addr_add+0x30e/0xa40 [ 2758.614174][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2758.614174][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.614174][ T74] netlink_rcv_skb+0x130/0x360 [ 2758.614174][ T74] netlink_unicast+0x449/0x710 [ 2758.614174][ T74] netlink_sendmsg+0x723/0xbe0 [ 2758.614174][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2758.614174][ T74] ___sys_sendmsg+0xee/0x170 [ 2758.614174][ T74] __sys_sendmsg+0xcd/0x170 [ 2758.614174][ T74] do_syscall_64+0xc6/0x1e0 [ 2758.614174][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2758.614174][ T74] [ 2758.616191][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2758.616191][ T74] netdev_get_by_index+0x5e/0x80 [ 2758.616191][ T74] fib6_nh_init+0x3d8/0x1580 [ 2758.616191][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2758.616191][ T74] ip6_route_add+0x1c/0x140 [ 2758.616191][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2758.616191][ T74] addrconf_add_dev+0xe2/0x170 [ 2758.616191][ T74] inet6_addr_add+0x12f/0xa40 [ 2758.616191][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2758.616191][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.616191][ T74] netlink_rcv_skb+0x130/0x360 [ 2758.616191][ T74] netlink_unicast+0x449/0x710 [ 2758.616191][ T74] netlink_sendmsg+0x723/0xbe0 [ 2758.616191][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2758.616191][ T74] ___sys_sendmsg+0xee/0x170 [ 2758.616191][ T74] __sys_sendmsg+0xcd/0x170 [ 2758.616191][ T74] do_syscall_64+0xc6/0x1e0 [ 2758.616191][ T74] [ 2758.618150][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2758.618150][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2758.618150][ T74] ipv6_find_idev+0x102/0x170 [ 2758.618150][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2758.618150][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.618150][ T74] netlink_rcv_skb+0x130/0x360 [ 2758.618150][ T74] netlink_unicast+0x449/0x710 [ 2758.618150][ T74] netlink_sendmsg+0x723/0xbe0 [ 2758.618150][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2758.618150][ T74] ___sys_sendmsg+0xee/0x170 [ 2758.618150][ T74] __sys_sendmsg+0xcd/0x170 [ 2758.618150][ T74] do_syscall_64+0xc6/0x1e0 [ 2758.618150][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2758.618150][ T74] [ 2758.619690][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2758.619690][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2758.619690][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2758.619690][ T74] ipv6_find_idev+0x102/0x170 [ 2758.619690][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2758.619690][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.619690][ T74] netlink_rcv_skb+0x130/0x360 [ 2758.619690][ T74] netlink_unicast+0x449/0x710 [ 2758.619690][ T74] netlink_sendmsg+0x723/0xbe0 [ 2758.619690][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2758.619690][ T74] ___sys_sendmsg+0xee/0x170 [ 2758.619690][ T74] __sys_sendmsg+0xcd/0x170 [ 2758.619690][ T74] do_syscall_64+0xc6/0x1e0 [ 2758.619690][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2758.619690][ T74] [ 2758.621405][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2758.621678][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2758.621678][ T74] dst_init+0x84/0x4a0 [ 2758.621678][ T74] dst_alloc+0x97/0x150 [ 2758.621678][ T74] ip6_dst_alloc+0x23/0x90 [ 2758.621678][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2758.621678][ T74] ip6_pol_route+0x56f/0x840 [ 2758.621678][ T74] fib6_rule_lookup+0x456/0x630 [ 2758.621678][ T74] ip6_route_input+0x59c/0xa50 [ 2758.621678][ T74] ipv6_rcv+0x397/0x810 [ 2758.621678][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2758.621678][ T74] process_backlog+0x101/0x620 [ 2758.621678][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2758.621678][ T74] net_rx_action+0x495/0xbe0 [ 2758.621678][ T74] __do_softirq+0x1b5/0x7f6 [ 2758.621678][ T74] [ 2758.623315][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2758.623315][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2758.623315][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2758.623315][ T74] fib6_nh_init+0xa22/0x1580 [ 2758.623315][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2758.623315][ T74] ip6_route_add+0x1c/0x140 [ 2758.623315][ T74] inet6_rtm_newroute+0x104/0x110 [ 2758.623315][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.623315][ T74] netlink_rcv_skb+0x130/0x360 [ 2758.623315][ T74] netlink_unicast+0x449/0x710 [ 2758.623315][ T74] netlink_sendmsg+0x723/0xbe0 [ 2758.623315][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2758.623315][ T74] ___sys_sendmsg+0xee/0x170 [ 2758.623315][ T74] __sys_sendmsg+0xcd/0x170 [ 2758.623315][ T74] do_syscall_64+0xc6/0x1e0 [ 2758.623315][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2758.623315][ T74] [ 2758.625184][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2758.625184][ T74] netdev_get_by_index+0x5e/0x80 [ 2758.625184][ T74] fib6_nh_init+0x3d8/0x1580 [ 2758.625184][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2758.625184][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2758.625184][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2758.625184][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2758.625184][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2758.625184][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2758.625184][ T74] addrconf_dad_begin+0x310/0x670 [ 2758.625184][ T74] addrconf_dad_work+0x10b/0xab0 [ 2758.625184][ T74] process_one_work+0x84d/0x18a0 [ 2758.625184][ T74] worker_thread+0x587/0xd30 [ 2758.625184][ T74] kthread+0x28a/0x350 [ 2758.625184][ T74] ret_from_fork+0x31/0x70 [ 2758.625184][ T74] ret_from_fork_asm+0x1a/0x30 [ 2758.625184][ T74] [ 2758.627087][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2758.627087][ T74] netdev_get_by_index+0x5e/0x80 [ 2758.627087][ T74] fib6_nh_init+0x3d8/0x1580 [ 2758.627087][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2758.627087][ T74] ip6_route_add+0x1c/0x140 [ 2758.627087][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2758.627087][ T74] inet6_addr_add+0x4f8/0xa40 [ 2758.627087][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2758.627087][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.627087][ T74] netlink_rcv_skb+0x130/0x360 [ 2758.627087][ T74] netlink_unicast+0x449/0x710 [ 2758.627087][ T74] netlink_sendmsg+0x723/0xbe0 [ 2758.627087][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2758.627087][ T74] ___sys_sendmsg+0xee/0x170 [ 2758.627087][ T74] __sys_sendmsg+0xcd/0x170 [ 2758.627087][ T74] do_syscall_64+0xc6/0x1e0 [ 2758.627087][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2758.627087][ T74] [ 2758.629082][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2758.629082][ T74] netdev_get_by_index+0x5e/0x80 [ 2758.629082][ T74] fib6_nh_init+0x3d8/0x1580 [ 2758.629082][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2758.629082][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2758.629082][ T74] ipv6_add_addr+0x411/0x2000 [ 2758.629082][ T74] inet6_addr_add+0x30e/0xa40 [ 2758.629082][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2758.629082][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.629082][ T74] netlink_rcv_skb+0x130/0x360 [ 2758.629082][ T74] netlink_unicast+0x449/0x710 [ 2758.629082][ T74] netlink_sendmsg+0x723/0xbe0 [ 2758.629082][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2758.629082][ T74] ___sys_sendmsg+0xee/0x170 [ 2758.629082][ T74] __sys_sendmsg+0xcd/0x170 [ 2758.629082][ T74] do_syscall_64+0xc6/0x1e0 [ 2758.629082][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2758.629082][ T74] [ 2758.631068][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2758.631068][ T74] netdev_get_by_index+0x5e/0x80 [ 2758.631068][ T74] fib6_nh_init+0x3d8/0x1580 [ 2758.631068][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2758.631068][ T74] ip6_route_add+0x1c/0x140 [ 2758.631068][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2758.631068][ T74] addrconf_add_dev+0xe2/0x170 [ 2758.631068][ T74] inet6_addr_add+0x12f/0xa40 [ 2758.631068][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2758.631068][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.631068][ T74] netlink_rcv_skb+0x130/0x360 [ 2758.631068][ T74] netlink_unicast+0x449/0x710 [ 2758.631068][ T74] netlink_sendmsg+0x723/0xbe0 [ 2758.631068][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2758.631068][ T74] ___sys_sendmsg+0xee/0x170 [ 2758.631068][ T74] __sys_sendmsg+0xcd/0x170 [ 2758.631068][ T74] do_syscall_64+0xc6/0x1e0 [ 2758.631068][ T74] [ 2758.633021][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2758.633021][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2758.633021][ T74] ipv6_find_idev+0x102/0x170 [ 2758.633021][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2758.633021][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.633021][ T74] netlink_rcv_skb+0x130/0x360 [ 2758.633021][ T74] netlink_unicast+0x449/0x710 [ 2758.633021][ T74] netlink_sendmsg+0x723/0xbe0 [ 2758.633021][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2758.633021][ T74] ___sys_sendmsg+0xee/0x170 [ 2758.633021][ T74] __sys_sendmsg+0xcd/0x170 [ 2758.633021][ T74] do_syscall_64+0xc6/0x1e0 [ 2758.633021][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2758.633021][ T74] [ 2758.634668][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2758.634668][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2758.634668][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2758.634668][ T74] ipv6_find_idev+0x102/0x170 [ 2758.634668][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2758.634668][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.634668][ T74] netlink_rcv_skb+0x130/0x360 [ 2758.634668][ T74] netlink_unicast+0x449/0x710 [ 2758.634668][ T74] netlink_sendmsg+0x723/0xbe0 [ 2758.634668][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2758.634668][ T74] ___sys_sendmsg+0xee/0x170 [ 2758.634668][ T74] __sys_sendmsg+0xcd/0x170 [ 2758.634668][ T74] do_syscall_64+0xc6/0x1e0 [ 2758.634668][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2758.634668][ T74] [ 2758.637175][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2758.637412][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2758.637412][ T74] netdev_get_by_index+0x5e/0x80 [ 2758.637412][ T74] fib6_nh_init+0x3d8/0x1580 [ 2758.637412][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2758.637412][ T74] ip6_route_add+0x1c/0x140 [ 2758.637412][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2758.637412][ T74] inet6_addr_add+0x4f8/0xa40 [ 2758.637412][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2758.637412][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.637412][ T74] netlink_rcv_skb+0x130/0x360 [ 2758.637412][ T74] netlink_unicast+0x449/0x710 [ 2758.637412][ T74] netlink_sendmsg+0x723/0xbe0 [ 2758.637412][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2758.637412][ T74] ___sys_sendmsg+0xee/0x170 [ 2758.637412][ T74] __sys_sendmsg+0xcd/0x170 [ 2758.637412][ T74] do_syscall_64+0xc6/0x1e0 [ 2758.637412][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2758.637412][ T74] [ 2758.639639][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2758.639639][ T74] netdev_get_by_index+0x5e/0x80 [ 2758.639639][ T74] fib6_nh_init+0x3d8/0x1580 [ 2758.639639][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2758.639639][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2758.639639][ T74] ipv6_add_addr+0x411/0x2000 [ 2758.639639][ T74] inet6_addr_add+0x30e/0xa40 [ 2758.639639][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2758.639639][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.639639][ T74] netlink_rcv_skb+0x130/0x360 [ 2758.639639][ T74] netlink_unicast+0x449/0x710 [ 2758.639639][ T74] netlink_sendmsg+0x723/0xbe0 [ 2758.639639][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2758.639639][ T74] ___sys_sendmsg+0xee/0x170 [ 2758.639639][ T74] __sys_sendmsg+0xcd/0x170 [ 2758.639639][ T74] do_syscall_64+0xc6/0x1e0 [ 2758.639639][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2758.639639][ T74] [ 2758.642256][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2758.642256][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2758.642256][ T74] ipv6_find_idev+0x102/0x170 [ 2758.642256][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2758.642256][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.642256][ T74] netlink_rcv_skb+0x130/0x360 [ 2758.642256][ T74] netlink_unicast+0x449/0x710 [ 2758.642256][ T74] netlink_sendmsg+0x723/0xbe0 [ 2758.642256][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2758.642256][ T74] ___sys_sendmsg+0xee/0x170 [ 2758.642256][ T74] __sys_sendmsg+0xcd/0x170 [ 2758.642256][ T74] do_syscall_64+0xc6/0x1e0 [ 2758.642256][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2758.642256][ T74] [ 2758.643904][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2758.643904][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2758.643904][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2758.643904][ T74] ipv6_find_idev+0x102/0x170 [ 2758.643904][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2758.643904][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.643904][ T74] netlink_rcv_skb+0x130/0x360 [ 2758.643904][ T74] netlink_unicast+0x449/0x710 [ 2758.643904][ T74] netlink_sendmsg+0x723/0xbe0 [ 2758.643904][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2758.643904][ T74] ___sys_sendmsg+0xee/0x170 [ 2758.643904][ T74] __sys_sendmsg+0xcd/0x170 [ 2758.643904][ T74] do_syscall_64+0xc6/0x1e0 [ 2758.643904][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2758.643904][ T74] [ 2768.704001][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2768.704377][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2768.704377][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2768.704377][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2768.704377][ T74] fib6_nh_init+0xa22/0x1580 [ 2768.704377][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2768.704377][ T74] ip6_route_add+0x1c/0x140 [ 2768.704377][ T74] inet6_rtm_newroute+0x104/0x110 [ 2768.704377][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2768.704377][ T74] netlink_rcv_skb+0x130/0x360 [ 2768.704377][ T74] netlink_unicast+0x449/0x710 [ 2768.704377][ T74] netlink_sendmsg+0x723/0xbe0 [ 2768.704377][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2768.704377][ T74] ___sys_sendmsg+0xee/0x170 [ 2768.704377][ T74] __sys_sendmsg+0xcd/0x170 [ 2768.704377][ T74] do_syscall_64+0xc6/0x1e0 [ 2768.704377][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2768.704377][ T74] [ 2768.706317][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2768.706317][ T74] netdev_get_by_index+0x5e/0x80 [ 2768.706317][ T74] fib6_nh_init+0x3d8/0x1580 [ 2768.706317][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2768.706317][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2768.706317][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2768.706317][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2768.706317][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2768.706317][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2768.706317][ T74] addrconf_dad_begin+0x310/0x670 [ 2768.706317][ T74] addrconf_dad_work+0x10b/0xab0 [ 2768.706317][ T74] process_one_work+0x84d/0x18a0 [ 2768.706317][ T74] worker_thread+0x587/0xd30 [ 2768.706317][ T74] kthread+0x28a/0x350 [ 2768.706317][ T74] ret_from_fork+0x31/0x70 [ 2768.706317][ T74] ret_from_fork_asm+0x1a/0x30 [ 2768.706317][ T74] [ 2768.708224][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2768.708224][ T74] netdev_get_by_index+0x5e/0x80 [ 2768.708224][ T74] fib6_nh_init+0x3d8/0x1580 [ 2768.708224][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2768.708224][ T74] ip6_route_add+0x1c/0x140 [ 2768.708224][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2768.708224][ T74] inet6_addr_add+0x4f8/0xa40 [ 2768.708224][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2768.708224][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2768.708224][ T74] netlink_rcv_skb+0x130/0x360 [ 2768.708224][ T74] netlink_unicast+0x449/0x710 [ 2768.708224][ T74] netlink_sendmsg+0x723/0xbe0 [ 2768.708224][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2768.708224][ T74] ___sys_sendmsg+0xee/0x170 [ 2768.708224][ T74] __sys_sendmsg+0xcd/0x170 [ 2768.708224][ T74] do_syscall_64+0xc6/0x1e0 [ 2768.708224][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2768.708224][ T74] [ 2768.710220][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2768.710220][ T74] netdev_get_by_index+0x5e/0x80 [ 2768.710220][ T74] fib6_nh_init+0x3d8/0x1580 [ 2768.710220][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2768.710220][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2768.710220][ T74] ipv6_add_addr+0x411/0x2000 [ 2768.710220][ T74] inet6_addr_add+0x30e/0xa40 [ 2768.710220][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2768.710220][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2768.710220][ T74] netlink_rcv_skb+0x130/0x360 [ 2768.710220][ T74] netlink_unicast+0x449/0x710 [ 2768.710220][ T74] netlink_sendmsg+0x723/0xbe0 [ 2768.710220][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2768.710220][ T74] ___sys_sendmsg+0xee/0x170 [ 2768.710220][ T74] __sys_sendmsg+0xcd/0x170 [ 2768.710220][ T74] do_syscall_64+0xc6/0x1e0 [ 2768.710220][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2768.710220][ T74] [ 2768.712217][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2768.712217][ T74] netdev_get_by_index+0x5e/0x80 [ 2768.712217][ T74] fib6_nh_init+0x3d8/0x1580 [ 2768.712217][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2768.712217][ T74] ip6_route_add+0x1c/0x140 [ 2768.712217][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2768.712217][ T74] addrconf_add_dev+0xe2/0x170 [ 2768.712217][ T74] inet6_addr_add+0x12f/0xa40 [ 2768.712217][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2768.712217][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2768.712217][ T74] netlink_rcv_skb+0x130/0x360 [ 2768.712217][ T74] netlink_unicast+0x449/0x710 [ 2768.712217][ T74] netlink_sendmsg+0x723/0xbe0 [ 2768.712217][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2768.712217][ T74] ___sys_sendmsg+0xee/0x170 [ 2768.712217][ T74] __sys_sendmsg+0xcd/0x170 [ 2768.712217][ T74] do_syscall_64+0xc6/0x1e0 [ 2768.712217][ T74] [ 2768.714320][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2768.714320][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2768.714320][ T74] ipv6_find_idev+0x102/0x170 [ 2768.714320][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2768.714320][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2768.714320][ T74] netlink_rcv_skb+0x130/0x360 [ 2768.714320][ T74] netlink_unicast+0x449/0x710 [ 2768.714320][ T74] netlink_sendmsg+0x723/0xbe0 [ 2768.714320][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2768.714320][ T74] ___sys_sendmsg+0xee/0x170 [ 2768.714320][ T74] __sys_sendmsg+0xcd/0x170 [ 2768.714320][ T74] do_syscall_64+0xc6/0x1e0 [ 2768.714320][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2768.714320][ T74] [ 2768.715862][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2768.715862][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2768.715862][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2768.715862][ T74] ipv6_find_idev+0x102/0x170 [ 2768.715862][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2768.715862][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2768.715862][ T74] netlink_rcv_skb+0x130/0x360 [ 2768.715862][ T74] netlink_unicast+0x449/0x710 [ 2768.715862][ T74] netlink_sendmsg+0x723/0xbe0 [ 2768.715862][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2768.715862][ T74] ___sys_sendmsg+0xee/0x170 [ 2768.715862][ T74] __sys_sendmsg+0xcd/0x170 [ 2768.715862][ T74] do_syscall_64+0xc6/0x1e0 [ 2768.715862][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2768.715862][ T74] [ 2768.717556][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2768.717835][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2768.717835][ T74] dst_init+0x84/0x4a0 [ 2768.717835][ T74] dst_alloc+0x97/0x150 [ 2768.717835][ T74] ip6_dst_alloc+0x23/0x90 [ 2768.717835][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2768.717835][ T74] ip6_pol_route+0x56f/0x840 [ 2768.717835][ T74] fib6_rule_lookup+0x456/0x630 [ 2768.717835][ T74] ip6_route_input+0x59c/0xa50 [ 2768.717835][ T74] ipv6_rcv+0x397/0x810 [ 2768.717835][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2768.717835][ T74] process_backlog+0x101/0x620 [ 2768.717835][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2768.717835][ T74] net_rx_action+0x495/0xbe0 [ 2768.717835][ T74] __do_softirq+0x1b5/0x7f6 [ 2768.717835][ T74] [ 2768.719468][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2768.719468][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2768.719468][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2768.719468][ T74] fib6_nh_init+0xa22/0x1580 [ 2768.719468][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2768.719468][ T74] ip6_route_add+0x1c/0x140 [ 2768.719468][ T74] inet6_rtm_newroute+0x104/0x110 [ 2768.719468][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2768.719468][ T74] netlink_rcv_skb+0x130/0x360 [ 2768.719468][ T74] netlink_unicast+0x449/0x710 [ 2768.719468][ T74] netlink_sendmsg+0x723/0xbe0 [ 2768.719468][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2768.719468][ T74] ___sys_sendmsg+0xee/0x170 [ 2768.719468][ T74] __sys_sendmsg+0xcd/0x170 [ 2768.719468][ T74] do_syscall_64+0xc6/0x1e0 [ 2768.719468][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2768.719468][ T74] [ 2768.721361][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2768.721361][ T74] netdev_get_by_index+0x5e/0x80 [ 2768.721361][ T74] fib6_nh_init+0x3d8/0x1580 [ 2768.721361][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2768.721361][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2768.721361][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2768.721361][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2768.721361][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2768.721361][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2768.721361][ T74] addrconf_dad_begin+0x310/0x670 [ 2768.721361][ T74] addrconf_dad_work+0x10b/0xab0 [ 2768.721361][ T74] process_one_work+0x84d/0x18a0 [ 2768.721361][ T74] worker_thread+0x587/0xd30 [ 2768.721361][ T74] kthread+0x28a/0x350 [ 2768.721361][ T74] ret_from_fork+0x31/0x70 [ 2768.721361][ T74] ret_from_fork_asm+0x1a/0x30 [ 2768.721361][ T74] [ 2768.723279][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2768.723279][ T74] netdev_get_by_index+0x5e/0x80 [ 2768.723279][ T74] fib6_nh_init+0x3d8/0x1580 [ 2768.723279][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2768.723279][ T74] ip6_route_add+0x1c/0x140 [ 2768.723279][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2768.723279][ T74] inet6_addr_add+0x4f8/0xa40 [ 2768.723279][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2768.723279][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2768.723279][ T74] netlink_rcv_skb+0x130/0x360 [ 2768.723279][ T74] netlink_unicast+0x449/0x710 [ 2768.723279][ T74] netlink_sendmsg+0x723/0xbe0 [ 2768.723279][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2768.723279][ T74] ___sys_sendmsg+0xee/0x170 [ 2768.723279][ T74] __sys_sendmsg+0xcd/0x170 [ 2768.723279][ T74] do_syscall_64+0xc6/0x1e0 [ 2768.723279][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2768.723279][ T74] [ 2768.725279][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2768.725279][ T74] netdev_get_by_index+0x5e/0x80 [ 2768.725279][ T74] fib6_nh_init+0x3d8/0x1580 [ 2768.725279][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2768.725279][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2768.725279][ T74] ipv6_add_addr+0x411/0x2000 [ 2768.725279][ T74] inet6_addr_add+0x30e/0xa40 [ 2768.725279][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2768.725279][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2768.725279][ T74] netlink_rcv_skb+0x130/0x360 [ 2768.725279][ T74] netlink_unicast+0x449/0x710 [ 2768.725279][ T74] netlink_sendmsg+0x723/0xbe0 [ 2768.725279][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2768.725279][ T74] ___sys_sendmsg+0xee/0x170 [ 2768.725279][ T74] __sys_sendmsg+0xcd/0x170 [ 2768.725279][ T74] do_syscall_64+0xc6/0x1e0 [ 2768.725279][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2768.725279][ T74] [ 2768.727277][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2768.727277][ T74] netdev_get_by_index+0x5e/0x80 [ 2768.727277][ T74] fib6_nh_init+0x3d8/0x1580 [ 2768.727277][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2768.727277][ T74] ip6_route_add+0x1c/0x140 [ 2768.727277][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2768.727277][ T74] addrconf_add_dev+0xe2/0x170 [ 2768.727277][ T74] inet6_addr_add+0x12f/0xa40 [ 2768.727277][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2768.727277][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2768.727277][ T74] netlink_rcv_skb+0x130/0x360 [ 2768.727277][ T74] netlink_unicast+0x449/0x710 [ 2768.727277][ T74] netlink_sendmsg+0x723/0xbe0 [ 2768.727277][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2768.727277][ T74] ___sys_sendmsg+0xee/0x170 [ 2768.727277][ T74] __sys_sendmsg+0xcd/0x170 [ 2768.727277][ T74] do_syscall_64+0xc6/0x1e0 [ 2768.727277][ T74] [ 2768.729225][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2768.729225][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2768.729225][ T74] ipv6_find_idev+0x102/0x170 [ 2768.729225][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2768.729225][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2768.729225][ T74] netlink_rcv_skb+0x130/0x360 [ 2768.729225][ T74] netlink_unicast+0x449/0x710 [ 2768.729225][ T74] netlink_sendmsg+0x723/0xbe0 [ 2768.729225][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2768.729225][ T74] ___sys_sendmsg+0xee/0x170 [ 2768.729225][ T74] __sys_sendmsg+0xcd/0x170 [ 2768.729225][ T74] do_syscall_64+0xc6/0x1e0 [ 2768.729225][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2768.729225][ T74] [ 2768.730872][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2768.730872][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2768.730872][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2768.730872][ T74] ipv6_find_idev+0x102/0x170 [ 2768.730872][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2768.730872][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2768.730872][ T74] netlink_rcv_skb+0x130/0x360 [ 2768.730872][ T74] netlink_unicast+0x449/0x710 [ 2768.730872][ T74] netlink_sendmsg+0x723/0xbe0 [ 2768.730872][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2768.730872][ T74] ___sys_sendmsg+0xee/0x170 [ 2768.730872][ T74] __sys_sendmsg+0xcd/0x170 [ 2768.730872][ T74] do_syscall_64+0xc6/0x1e0 [ 2768.730872][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2768.730872][ T74] [ 2768.732838][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2768.733089][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2768.733089][ T74] netdev_get_by_index+0x5e/0x80 [ 2768.733089][ T74] fib6_nh_init+0x3d8/0x1580 [ 2768.733089][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2768.733089][ T74] ip6_route_add+0x1c/0x140 [ 2768.733089][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2768.733089][ T74] inet6_addr_add+0x4f8/0xa40 [ 2768.733089][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2768.733089][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2768.733089][ T74] netlink_rcv_skb+0x130/0x360 [ 2768.733089][ T74] netlink_unicast+0x449/0x710 [ 2768.733089][ T74] netlink_sendmsg+0x723/0xbe0 [ 2768.733089][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2768.733089][ T74] ___sys_sendmsg+0xee/0x170 [ 2768.733089][ T74] __sys_sendmsg+0xcd/0x170 [ 2768.733089][ T74] do_syscall_64+0xc6/0x1e0 [ 2768.733089][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2768.733089][ T74] [ 2768.735321][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2768.735321][ T74] netdev_get_by_index+0x5e/0x80 [ 2768.735321][ T74] fib6_nh_init+0x3d8/0x1580 [ 2768.735321][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2768.735321][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2768.735321][ T74] ipv6_add_addr+0x411/0x2000 [ 2768.735321][ T74] inet6_addr_add+0x30e/0xa40 [ 2768.735321][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2768.735321][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2768.735321][ T74] netlink_rcv_skb+0x130/0x360 [ 2768.735321][ T74] netlink_unicast+0x449/0x710 [ 2768.735321][ T74] netlink_sendmsg+0x723/0xbe0 [ 2768.735321][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2768.735321][ T74] ___sys_sendmsg+0xee/0x170 [ 2768.735321][ T74] __sys_sendmsg+0xcd/0x170 [ 2768.735321][ T74] do_syscall_64+0xc6/0x1e0 [ 2768.735321][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2768.735321][ T74] [ 2768.737550][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2768.737550][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2768.737550][ T74] ipv6_find_idev+0x102/0x170 [ 2768.737550][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2768.737550][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2768.737550][ T74] netlink_rcv_skb+0x130/0x360 [ 2768.737550][ T74] netlink_unicast+0x449/0x710 [ 2768.737550][ T74] netlink_sendmsg+0x723/0xbe0 [ 2768.737550][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2768.737550][ T74] ___sys_sendmsg+0xee/0x170 [ 2768.737550][ T74] __sys_sendmsg+0xcd/0x170 [ 2768.737550][ T74] do_syscall_64+0xc6/0x1e0 [ 2768.737550][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2768.737550][ T74] [ 2768.739205][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2768.739205][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2768.739205][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2768.739205][ T74] ipv6_find_idev+0x102/0x170 [ 2768.739205][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2768.739205][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2768.739205][ T74] netlink_rcv_skb+0x130/0x360 [ 2768.739205][ T74] netlink_unicast+0x449/0x710 [ 2768.739205][ T74] netlink_sendmsg+0x723/0xbe0 [ 2768.739205][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2768.739205][ T74] ___sys_sendmsg+0xee/0x170 [ 2768.739205][ T74] __sys_sendmsg+0xcd/0x170 [ 2768.739205][ T74] do_syscall_64+0xc6/0x1e0 [ 2768.739205][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2768.739205][ T74] [ 2778.791940][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2778.792326][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2778.792326][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2778.792326][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2778.792326][ T74] fib6_nh_init+0xa22/0x1580 [ 2778.792326][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2778.792326][ T74] ip6_route_add+0x1c/0x140 [ 2778.792326][ T74] inet6_rtm_newroute+0x104/0x110 [ 2778.792326][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2778.792326][ T74] netlink_rcv_skb+0x130/0x360 [ 2778.792326][ T74] netlink_unicast+0x449/0x710 [ 2778.792326][ T74] netlink_sendmsg+0x723/0xbe0 [ 2778.792326][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2778.792326][ T74] ___sys_sendmsg+0xee/0x170 [ 2778.792326][ T74] __sys_sendmsg+0xcd/0x170 [ 2778.792326][ T74] do_syscall_64+0xc6/0x1e0 [ 2778.792326][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2778.792326][ T74] [ 2778.794279][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2778.794279][ T74] netdev_get_by_index+0x5e/0x80 [ 2778.794279][ T74] fib6_nh_init+0x3d8/0x1580 [ 2778.794279][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2778.794279][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2778.794279][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2778.794279][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2778.794279][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2778.794279][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2778.794279][ T74] addrconf_dad_begin+0x310/0x670 [ 2778.794279][ T74] addrconf_dad_work+0x10b/0xab0 [ 2778.794279][ T74] process_one_work+0x84d/0x18a0 [ 2778.794279][ T74] worker_thread+0x587/0xd30 [ 2778.794279][ T74] kthread+0x28a/0x350 [ 2778.794279][ T74] ret_from_fork+0x31/0x70 [ 2778.794279][ T74] ret_from_fork_asm+0x1a/0x30 [ 2778.794279][ T74] [ 2778.796255][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2778.796255][ T74] netdev_get_by_index+0x5e/0x80 [ 2778.796255][ T74] fib6_nh_init+0x3d8/0x1580 [ 2778.796255][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2778.796255][ T74] ip6_route_add+0x1c/0x140 [ 2778.796255][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2778.796255][ T74] inet6_addr_add+0x4f8/0xa40 [ 2778.796255][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2778.796255][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2778.796255][ T74] netlink_rcv_skb+0x130/0x360 [ 2778.796255][ T74] netlink_unicast+0x449/0x710 [ 2778.796255][ T74] netlink_sendmsg+0x723/0xbe0 [ 2778.796255][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2778.796255][ T74] ___sys_sendmsg+0xee/0x170 [ 2778.796255][ T74] __sys_sendmsg+0xcd/0x170 [ 2778.796255][ T74] do_syscall_64+0xc6/0x1e0 [ 2778.796255][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2778.796255][ T74] [ 2778.798288][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2778.798288][ T74] netdev_get_by_index+0x5e/0x80 [ 2778.798288][ T74] fib6_nh_init+0x3d8/0x1580 [ 2778.798288][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2778.798288][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2778.798288][ T74] ipv6_add_addr+0x411/0x2000 [ 2778.798288][ T74] inet6_addr_add+0x30e/0xa40 [ 2778.798288][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2778.798288][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2778.798288][ T74] netlink_rcv_skb+0x130/0x360 [ 2778.798288][ T74] netlink_unicast+0x449/0x710 [ 2778.798288][ T74] netlink_sendmsg+0x723/0xbe0 [ 2778.798288][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2778.798288][ T74] ___sys_sendmsg+0xee/0x170 [ 2778.798288][ T74] __sys_sendmsg+0xcd/0x170 [ 2778.798288][ T74] do_syscall_64+0xc6/0x1e0 [ 2778.798288][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2778.798288][ T74] [ 2778.800330][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2778.800330][ T74] netdev_get_by_index+0x5e/0x80 [ 2778.800330][ T74] fib6_nh_init+0x3d8/0x1580 [ 2778.800330][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2778.800330][ T74] ip6_route_add+0x1c/0x140 [ 2778.800330][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2778.800330][ T74] addrconf_add_dev+0xe2/0x170 [ 2778.800330][ T74] inet6_addr_add+0x12f/0xa40 [ 2778.800330][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2778.800330][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2778.800330][ T74] netlink_rcv_skb+0x130/0x360 [ 2778.800330][ T74] netlink_unicast+0x449/0x710 [ 2778.800330][ T74] netlink_sendmsg+0x723/0xbe0 [ 2778.800330][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2778.800330][ T74] ___sys_sendmsg+0xee/0x170 [ 2778.800330][ T74] __sys_sendmsg+0xcd/0x170 [ 2778.800330][ T74] do_syscall_64+0xc6/0x1e0 [ 2778.800330][ T74] [ 2778.802317][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2778.802317][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2778.802317][ T74] ipv6_find_idev+0x102/0x170 [ 2778.802317][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2778.802317][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2778.802317][ T74] netlink_rcv_skb+0x130/0x360 [ 2778.802317][ T74] netlink_unicast+0x449/0x710 [ 2778.802317][ T74] netlink_sendmsg+0x723/0xbe0 [ 2778.802317][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2778.802317][ T74] ___sys_sendmsg+0xee/0x170 [ 2778.802317][ T74] __sys_sendmsg+0xcd/0x170 [ 2778.802317][ T74] do_syscall_64+0xc6/0x1e0 [ 2778.802317][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2778.802317][ T74] [ 2778.803869][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2778.803869][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2778.803869][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2778.803869][ T74] ipv6_find_idev+0x102/0x170 [ 2778.803869][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2778.803869][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2778.803869][ T74] netlink_rcv_skb+0x130/0x360 [ 2778.803869][ T74] netlink_unicast+0x449/0x710 [ 2778.803869][ T74] netlink_sendmsg+0x723/0xbe0 [ 2778.803869][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2778.803869][ T74] ___sys_sendmsg+0xee/0x170 [ 2778.803869][ T74] __sys_sendmsg+0xcd/0x170 [ 2778.803869][ T74] do_syscall_64+0xc6/0x1e0 [ 2778.803869][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2778.803869][ T74] [ 2778.805579][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2778.805855][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2778.805855][ T74] dst_init+0x84/0x4a0 [ 2778.805855][ T74] dst_alloc+0x97/0x150 [ 2778.805855][ T74] ip6_dst_alloc+0x23/0x90 [ 2778.805855][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2778.805855][ T74] ip6_pol_route+0x56f/0x840 [ 2778.805855][ T74] fib6_rule_lookup+0x456/0x630 [ 2778.805855][ T74] ip6_route_input+0x59c/0xa50 [ 2778.805855][ T74] ipv6_rcv+0x397/0x810 [ 2778.805855][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2778.805855][ T74] process_backlog+0x101/0x620 [ 2778.805855][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2778.805855][ T74] net_rx_action+0x495/0xbe0 [ 2778.805855][ T74] __do_softirq+0x1b5/0x7f6 [ 2778.805855][ T74] [ 2778.807491][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2778.807491][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2778.807491][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2778.807491][ T74] fib6_nh_init+0xa22/0x1580 [ 2778.807491][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2778.807491][ T74] ip6_route_add+0x1c/0x140 [ 2778.807491][ T74] inet6_rtm_newroute+0x104/0x110 [ 2778.807491][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2778.807491][ T74] netlink_rcv_skb+0x130/0x360 [ 2778.807491][ T74] netlink_unicast+0x449/0x710 [ 2778.807491][ T74] netlink_sendmsg+0x723/0xbe0 [ 2778.807491][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2778.807491][ T74] ___sys_sendmsg+0xee/0x170 [ 2778.807491][ T74] __sys_sendmsg+0xcd/0x170 [ 2778.807491][ T74] do_syscall_64+0xc6/0x1e0 [ 2778.807491][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2778.807491][ T74] [ 2778.809358][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2778.809358][ T74] netdev_get_by_index+0x5e/0x80 [ 2778.809358][ T74] fib6_nh_init+0x3d8/0x1580 [ 2778.809358][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2778.809358][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2778.809358][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2778.809358][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2778.809358][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2778.809358][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2778.809358][ T74] addrconf_dad_begin+0x310/0x670 [ 2778.809358][ T74] addrconf_dad_work+0x10b/0xab0 [ 2778.809358][ T74] process_one_work+0x84d/0x18a0 [ 2778.809358][ T74] worker_thread+0x587/0xd30 [ 2778.809358][ T74] kthread+0x28a/0x350 [ 2778.809358][ T74] ret_from_fork+0x31/0x70 [ 2778.809358][ T74] ret_from_fork_asm+0x1a/0x30 [ 2778.809358][ T74] [ 2778.811253][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2778.811253][ T74] netdev_get_by_index+0x5e/0x80 [ 2778.811253][ T74] fib6_nh_init+0x3d8/0x1580 [ 2778.811253][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2778.811253][ T74] ip6_route_add+0x1c/0x140 [ 2778.811253][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2778.811253][ T74] inet6_addr_add+0x4f8/0xa40 [ 2778.811253][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2778.811253][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2778.811253][ T74] netlink_rcv_skb+0x130/0x360 [ 2778.811253][ T74] netlink_unicast+0x449/0x710 [ 2778.811253][ T74] netlink_sendmsg+0x723/0xbe0 [ 2778.811253][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2778.811253][ T74] ___sys_sendmsg+0xee/0x170 [ 2778.811253][ T74] __sys_sendmsg+0xcd/0x170 [ 2778.811253][ T74] do_syscall_64+0xc6/0x1e0 [ 2778.811253][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2778.811253][ T74] [ 2778.813237][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2778.813237][ T74] netdev_get_by_index+0x5e/0x80 [ 2778.813237][ T74] fib6_nh_init+0x3d8/0x1580 [ 2778.813237][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2778.813237][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2778.813237][ T74] ipv6_add_addr+0x411/0x2000 [ 2778.813237][ T74] inet6_addr_add+0x30e/0xa40 [ 2778.813237][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2778.813237][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2778.813237][ T74] netlink_rcv_skb+0x130/0x360 [ 2778.813237][ T74] netlink_unicast+0x449/0x710 [ 2778.813237][ T74] netlink_sendmsg+0x723/0xbe0 [ 2778.813237][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2778.813237][ T74] ___sys_sendmsg+0xee/0x170 [ 2778.813237][ T74] __sys_sendmsg+0xcd/0x170 [ 2778.813237][ T74] do_syscall_64+0xc6/0x1e0 [ 2778.813237][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2778.813237][ T74] [ 2778.815235][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2778.815235][ T74] netdev_get_by_index+0x5e/0x80 [ 2778.815235][ T74] fib6_nh_init+0x3d8/0x1580 [ 2778.815235][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2778.815235][ T74] ip6_route_add+0x1c/0x140 [ 2778.815235][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2778.815235][ T74] addrconf_add_dev+0xe2/0x170 [ 2778.815235][ T74] inet6_addr_add+0x12f/0xa40 [ 2778.815235][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2778.815235][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2778.815235][ T74] netlink_rcv_skb+0x130/0x360 [ 2778.815235][ T74] netlink_unicast+0x449/0x710 [ 2778.815235][ T74] netlink_sendmsg+0x723/0xbe0 [ 2778.815235][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2778.815235][ T74] ___sys_sendmsg+0xee/0x170 [ 2778.815235][ T74] __sys_sendmsg+0xcd/0x170 [ 2778.815235][ T74] do_syscall_64+0xc6/0x1e0 [ 2778.815235][ T74] [ 2778.817184][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2778.817184][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2778.817184][ T74] ipv6_find_idev+0x102/0x170 [ 2778.817184][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2778.817184][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2778.817184][ T74] netlink_rcv_skb+0x130/0x360 [ 2778.817184][ T74] netlink_unicast+0x449/0x710 [ 2778.817184][ T74] netlink_sendmsg+0x723/0xbe0 [ 2778.817184][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2778.817184][ T74] ___sys_sendmsg+0xee/0x170 [ 2778.817184][ T74] __sys_sendmsg+0xcd/0x170 [ 2778.817184][ T74] do_syscall_64+0xc6/0x1e0 [ 2778.817184][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2778.817184][ T74] [ 2778.818832][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2778.818832][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2778.818832][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2778.818832][ T74] ipv6_find_idev+0x102/0x170 [ 2778.818832][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2778.818832][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2778.818832][ T74] netlink_rcv_skb+0x130/0x360 [ 2778.818832][ T74] netlink_unicast+0x449/0x710 [ 2778.818832][ T74] netlink_sendmsg+0x723/0xbe0 [ 2778.818832][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2778.818832][ T74] ___sys_sendmsg+0xee/0x170 [ 2778.818832][ T74] __sys_sendmsg+0xcd/0x170 [ 2778.818832][ T74] do_syscall_64+0xc6/0x1e0 [ 2778.818832][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2778.818832][ T74] [ 2778.820804][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2778.821091][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2778.821091][ T74] netdev_get_by_index+0x5e/0x80 [ 2778.821091][ T74] fib6_nh_init+0x3d8/0x1580 [ 2778.821091][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2778.821091][ T74] ip6_route_add+0x1c/0x140 [ 2778.821091][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2778.821091][ T74] inet6_addr_add+0x4f8/0xa40 [ 2778.821091][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2778.821091][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2778.821091][ T74] netlink_rcv_skb+0x130/0x360 [ 2778.821091][ T74] netlink_unicast+0x449/0x710 [ 2778.821091][ T74] netlink_sendmsg+0x723/0xbe0 [ 2778.821091][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2778.821091][ T74] ___sys_sendmsg+0xee/0x170 [ 2778.821091][ T74] __sys_sendmsg+0xcd/0x170 [ 2778.821091][ T74] do_syscall_64+0xc6/0x1e0 [ 2778.821091][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2778.821091][ T74] [ 2778.823322][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2778.823322][ T74] netdev_get_by_index+0x5e/0x80 [ 2778.823322][ T74] fib6_nh_init+0x3d8/0x1580 [ 2778.823322][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2778.823322][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2778.823322][ T74] ipv6_add_addr+0x411/0x2000 [ 2778.823322][ T74] inet6_addr_add+0x30e/0xa40 [ 2778.823322][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2778.823322][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2778.823322][ T74] netlink_rcv_skb+0x130/0x360 [ 2778.823322][ T74] netlink_unicast+0x449/0x710 [ 2778.823322][ T74] netlink_sendmsg+0x723/0xbe0 [ 2778.823322][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2778.823322][ T74] ___sys_sendmsg+0xee/0x170 [ 2778.823322][ T74] __sys_sendmsg+0xcd/0x170 [ 2778.823322][ T74] do_syscall_64+0xc6/0x1e0 [ 2778.823322][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2778.823322][ T74] [ 2778.825570][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2778.825570][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2778.825570][ T74] ipv6_find_idev+0x102/0x170 [ 2778.825570][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2778.825570][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2778.825570][ T74] netlink_rcv_skb+0x130/0x360 [ 2778.825570][ T74] netlink_unicast+0x449/0x710 [ 2778.825570][ T74] netlink_sendmsg+0x723/0xbe0 [ 2778.825570][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2778.825570][ T74] ___sys_sendmsg+0xee/0x170 [ 2778.825570][ T74] __sys_sendmsg+0xcd/0x170 [ 2778.825570][ T74] do_syscall_64+0xc6/0x1e0 [ 2778.825570][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2778.825570][ T74] [ 2778.827218][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2778.827218][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2778.827218][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2778.827218][ T74] ipv6_find_idev+0x102/0x170 [ 2778.827218][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2778.827218][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2778.827218][ T74] netlink_rcv_skb+0x130/0x360 [ 2778.827218][ T74] netlink_unicast+0x449/0x710 [ 2778.827218][ T74] netlink_sendmsg+0x723/0xbe0 [ 2778.827218][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2778.827218][ T74] ___sys_sendmsg+0xee/0x170 [ 2778.827218][ T74] __sys_sendmsg+0xcd/0x170 [ 2778.827218][ T74] do_syscall_64+0xc6/0x1e0 [ 2778.827218][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2778.827218][ T74] [ 2789.063961][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2789.064329][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2789.064329][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2789.064329][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2789.064329][ T74] fib6_nh_init+0xa22/0x1580 [ 2789.064329][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2789.064329][ T74] ip6_route_add+0x1c/0x140 [ 2789.064329][ T74] inet6_rtm_newroute+0x104/0x110 [ 2789.064329][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.064329][ T74] netlink_rcv_skb+0x130/0x360 [ 2789.064329][ T74] netlink_unicast+0x449/0x710 [ 2789.064329][ T74] netlink_sendmsg+0x723/0xbe0 [ 2789.064329][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2789.064329][ T74] ___sys_sendmsg+0xee/0x170 [ 2789.064329][ T74] __sys_sendmsg+0xcd/0x170 [ 2789.064329][ T74] do_syscall_64+0xc6/0x1e0 [ 2789.064329][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.064329][ T74] [ 2789.066267][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2789.066267][ T74] netdev_get_by_index+0x5e/0x80 [ 2789.066267][ T74] fib6_nh_init+0x3d8/0x1580 [ 2789.066267][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2789.066267][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2789.066267][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2789.066267][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2789.066267][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2789.066267][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2789.066267][ T74] addrconf_dad_begin+0x310/0x670 [ 2789.066267][ T74] addrconf_dad_work+0x10b/0xab0 [ 2789.066267][ T74] process_one_work+0x84d/0x18a0 [ 2789.066267][ T74] worker_thread+0x587/0xd30 [ 2789.066267][ T74] kthread+0x28a/0x350 [ 2789.066267][ T74] ret_from_fork+0x31/0x70 [ 2789.066267][ T74] ret_from_fork_asm+0x1a/0x30 [ 2789.066267][ T74] [ 2789.068169][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2789.068169][ T74] netdev_get_by_index+0x5e/0x80 [ 2789.068169][ T74] fib6_nh_init+0x3d8/0x1580 [ 2789.068169][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2789.068169][ T74] ip6_route_add+0x1c/0x140 [ 2789.068169][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2789.068169][ T74] inet6_addr_add+0x4f8/0xa40 [ 2789.068169][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2789.068169][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.068169][ T74] netlink_rcv_skb+0x130/0x360 [ 2789.068169][ T74] netlink_unicast+0x449/0x710 [ 2789.068169][ T74] netlink_sendmsg+0x723/0xbe0 [ 2789.068169][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2789.068169][ T74] ___sys_sendmsg+0xee/0x170 [ 2789.068169][ T74] __sys_sendmsg+0xcd/0x170 [ 2789.068169][ T74] do_syscall_64+0xc6/0x1e0 [ 2789.068169][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.068169][ T74] [ 2789.070152][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2789.070152][ T74] netdev_get_by_index+0x5e/0x80 [ 2789.070152][ T74] fib6_nh_init+0x3d8/0x1580 [ 2789.070152][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2789.070152][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2789.070152][ T74] ipv6_add_addr+0x411/0x2000 [ 2789.070152][ T74] inet6_addr_add+0x30e/0xa40 [ 2789.070152][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2789.070152][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.070152][ T74] netlink_rcv_skb+0x130/0x360 [ 2789.070152][ T74] netlink_unicast+0x449/0x710 [ 2789.070152][ T74] netlink_sendmsg+0x723/0xbe0 [ 2789.070152][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2789.070152][ T74] ___sys_sendmsg+0xee/0x170 [ 2789.070152][ T74] __sys_sendmsg+0xcd/0x170 [ 2789.070152][ T74] do_syscall_64+0xc6/0x1e0 [ 2789.070152][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.070152][ T74] [ 2789.072135][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2789.072135][ T74] netdev_get_by_index+0x5e/0x80 [ 2789.072135][ T74] fib6_nh_init+0x3d8/0x1580 [ 2789.072135][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2789.072135][ T74] ip6_route_add+0x1c/0x140 [ 2789.072135][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2789.072135][ T74] addrconf_add_dev+0xe2/0x170 [ 2789.072135][ T74] inet6_addr_add+0x12f/0xa40 [ 2789.072135][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2789.072135][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.072135][ T74] netlink_rcv_skb+0x130/0x360 [ 2789.072135][ T74] netlink_unicast+0x449/0x710 [ 2789.072135][ T74] netlink_sendmsg+0x723/0xbe0 [ 2789.072135][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2789.072135][ T74] ___sys_sendmsg+0xee/0x170 [ 2789.072135][ T74] __sys_sendmsg+0xcd/0x170 [ 2789.072135][ T74] do_syscall_64+0xc6/0x1e0 [ 2789.072135][ T74] [ 2789.074095][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2789.074095][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2789.074095][ T74] ipv6_find_idev+0x102/0x170 [ 2789.074095][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2789.074095][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.074095][ T74] netlink_rcv_skb+0x130/0x360 [ 2789.074095][ T74] netlink_unicast+0x449/0x710 [ 2789.074095][ T74] netlink_sendmsg+0x723/0xbe0 [ 2789.074095][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2789.074095][ T74] ___sys_sendmsg+0xee/0x170 [ 2789.074095][ T74] __sys_sendmsg+0xcd/0x170 [ 2789.074095][ T74] do_syscall_64+0xc6/0x1e0 [ 2789.074095][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.074095][ T74] [ 2789.075638][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2789.075638][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2789.075638][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2789.075638][ T74] ipv6_find_idev+0x102/0x170 [ 2789.075638][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2789.075638][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.075638][ T74] netlink_rcv_skb+0x130/0x360 [ 2789.075638][ T74] netlink_unicast+0x449/0x710 [ 2789.075638][ T74] netlink_sendmsg+0x723/0xbe0 [ 2789.075638][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2789.075638][ T74] ___sys_sendmsg+0xee/0x170 [ 2789.075638][ T74] __sys_sendmsg+0xcd/0x170 [ 2789.075638][ T74] do_syscall_64+0xc6/0x1e0 [ 2789.075638][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.075638][ T74] [ 2789.077324][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2789.077601][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2789.077601][ T74] dst_init+0x84/0x4a0 [ 2789.077601][ T74] dst_alloc+0x97/0x150 [ 2789.077601][ T74] ip6_dst_alloc+0x23/0x90 [ 2789.077601][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2789.077601][ T74] ip6_pol_route+0x56f/0x840 [ 2789.077601][ T74] fib6_rule_lookup+0x456/0x630 [ 2789.077601][ T74] ip6_route_input+0x59c/0xa50 [ 2789.077601][ T74] ipv6_rcv+0x397/0x810 [ 2789.077601][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2789.077601][ T74] process_backlog+0x101/0x620 [ 2789.077601][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2789.077601][ T74] net_rx_action+0x495/0xbe0 [ 2789.077601][ T74] __do_softirq+0x1b5/0x7f6 [ 2789.077601][ T74] [ 2789.079232][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2789.079232][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2789.079232][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2789.079232][ T74] fib6_nh_init+0xa22/0x1580 [ 2789.079232][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2789.079232][ T74] ip6_route_add+0x1c/0x140 [ 2789.079232][ T74] inet6_rtm_newroute+0x104/0x110 [ 2789.079232][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.079232][ T74] netlink_rcv_skb+0x130/0x360 [ 2789.079232][ T74] netlink_unicast+0x449/0x710 [ 2789.079232][ T74] netlink_sendmsg+0x723/0xbe0 [ 2789.079232][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2789.079232][ T74] ___sys_sendmsg+0xee/0x170 [ 2789.079232][ T74] __sys_sendmsg+0xcd/0x170 [ 2789.079232][ T74] do_syscall_64+0xc6/0x1e0 [ 2789.079232][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.079232][ T74] [ 2789.081104][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2789.081104][ T74] netdev_get_by_index+0x5e/0x80 [ 2789.081104][ T74] fib6_nh_init+0x3d8/0x1580 [ 2789.081104][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2789.081104][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2789.081104][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2789.081104][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2789.081104][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2789.081104][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2789.081104][ T74] addrconf_dad_begin+0x310/0x670 [ 2789.081104][ T74] addrconf_dad_work+0x10b/0xab0 [ 2789.081104][ T74] process_one_work+0x84d/0x18a0 [ 2789.081104][ T74] worker_thread+0x587/0xd30 [ 2789.081104][ T74] kthread+0x28a/0x350 [ 2789.081104][ T74] ret_from_fork+0x31/0x70 [ 2789.081104][ T74] ret_from_fork_asm+0x1a/0x30 [ 2789.081104][ T74] [ 2789.083055][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2789.083055][ T74] netdev_get_by_index+0x5e/0x80 [ 2789.083055][ T74] fib6_nh_init+0x3d8/0x1580 [ 2789.083055][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2789.083055][ T74] ip6_route_add+0x1c/0x140 [ 2789.083055][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2789.083055][ T74] inet6_addr_add+0x4f8/0xa40 [ 2789.083055][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2789.083055][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.083055][ T74] netlink_rcv_skb+0x130/0x360 [ 2789.083055][ T74] netlink_unicast+0x449/0x710 [ 2789.083055][ T74] netlink_sendmsg+0x723/0xbe0 [ 2789.083055][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2789.083055][ T74] ___sys_sendmsg+0xee/0x170 [ 2789.083055][ T74] __sys_sendmsg+0xcd/0x170 [ 2789.083055][ T74] do_syscall_64+0xc6/0x1e0 [ 2789.083055][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.083055][ T74] [ 2789.085060][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2789.085060][ T74] netdev_get_by_index+0x5e/0x80 [ 2789.085060][ T74] fib6_nh_init+0x3d8/0x1580 [ 2789.085060][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2789.085060][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2789.085060][ T74] ipv6_add_addr+0x411/0x2000 [ 2789.085060][ T74] inet6_addr_add+0x30e/0xa40 [ 2789.085060][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2789.085060][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.085060][ T74] netlink_rcv_skb+0x130/0x360 [ 2789.085060][ T74] netlink_unicast+0x449/0x710 [ 2789.085060][ T74] netlink_sendmsg+0x723/0xbe0 [ 2789.085060][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2789.085060][ T74] ___sys_sendmsg+0xee/0x170 [ 2789.085060][ T74] __sys_sendmsg+0xcd/0x170 [ 2789.085060][ T74] do_syscall_64+0xc6/0x1e0 [ 2789.085060][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.085060][ T74] [ 2789.087059][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2789.087059][ T74] netdev_get_by_index+0x5e/0x80 [ 2789.087059][ T74] fib6_nh_init+0x3d8/0x1580 [ 2789.087059][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2789.087059][ T74] ip6_route_add+0x1c/0x140 [ 2789.087059][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2789.087059][ T74] addrconf_add_dev+0xe2/0x170 [ 2789.087059][ T74] inet6_addr_add+0x12f/0xa40 [ 2789.087059][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2789.087059][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.087059][ T74] netlink_rcv_skb+0x130/0x360 [ 2789.087059][ T74] netlink_unicast+0x449/0x710 [ 2789.087059][ T74] netlink_sendmsg+0x723/0xbe0 [ 2789.087059][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2789.087059][ T74] ___sys_sendmsg+0xee/0x170 [ 2789.087059][ T74] __sys_sendmsg+0xcd/0x170 [ 2789.087059][ T74] do_syscall_64+0xc6/0x1e0 [ 2789.087059][ T74] [ 2789.089013][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2789.089013][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2789.089013][ T74] ipv6_find_idev+0x102/0x170 [ 2789.089013][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2789.089013][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.089013][ T74] netlink_rcv_skb+0x130/0x360 [ 2789.089013][ T74] netlink_unicast+0x449/0x710 [ 2789.089013][ T74] netlink_sendmsg+0x723/0xbe0 [ 2789.089013][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2789.089013][ T74] ___sys_sendmsg+0xee/0x170 [ 2789.089013][ T74] __sys_sendmsg+0xcd/0x170 [ 2789.089013][ T74] do_syscall_64+0xc6/0x1e0 [ 2789.089013][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.089013][ T74] [ 2789.090670][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2789.090670][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2789.090670][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2789.090670][ T74] ipv6_find_idev+0x102/0x170 [ 2789.090670][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2789.090670][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.090670][ T74] netlink_rcv_skb+0x130/0x360 [ 2789.090670][ T74] netlink_unicast+0x449/0x710 [ 2789.090670][ T74] netlink_sendmsg+0x723/0xbe0 [ 2789.090670][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2789.090670][ T74] ___sys_sendmsg+0xee/0x170 [ 2789.090670][ T74] __sys_sendmsg+0xcd/0x170 [ 2789.090670][ T74] do_syscall_64+0xc6/0x1e0 [ 2789.090670][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.090670][ T74] [ 2789.092643][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2789.092885][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2789.092885][ T74] netdev_get_by_index+0x5e/0x80 [ 2789.092885][ T74] fib6_nh_init+0x3d8/0x1580 [ 2789.092885][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2789.092885][ T74] ip6_route_add+0x1c/0x140 [ 2789.092885][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2789.092885][ T74] inet6_addr_add+0x4f8/0xa40 [ 2789.092885][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2789.092885][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.092885][ T74] netlink_rcv_skb+0x130/0x360 [ 2789.092885][ T74] netlink_unicast+0x449/0x710 [ 2789.092885][ T74] netlink_sendmsg+0x723/0xbe0 [ 2789.092885][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2789.092885][ T74] ___sys_sendmsg+0xee/0x170 [ 2789.092885][ T74] __sys_sendmsg+0xcd/0x170 [ 2789.092885][ T74] do_syscall_64+0xc6/0x1e0 [ 2789.092885][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.092885][ T74] [ 2789.095118][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2789.095118][ T74] netdev_get_by_index+0x5e/0x80 [ 2789.095118][ T74] fib6_nh_init+0x3d8/0x1580 [ 2789.095118][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2789.095118][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2789.095118][ T74] ipv6_add_addr+0x411/0x2000 [ 2789.095118][ T74] inet6_addr_add+0x30e/0xa40 [ 2789.095118][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2789.095118][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.095118][ T74] netlink_rcv_skb+0x130/0x360 [ 2789.095118][ T74] netlink_unicast+0x449/0x710 [ 2789.095118][ T74] netlink_sendmsg+0x723/0xbe0 [ 2789.095118][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2789.095118][ T74] ___sys_sendmsg+0xee/0x170 [ 2789.095118][ T74] __sys_sendmsg+0xcd/0x170 [ 2789.095118][ T74] do_syscall_64+0xc6/0x1e0 [ 2789.095118][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.095118][ T74] [ 2789.097376][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2789.097376][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2789.097376][ T74] ipv6_find_idev+0x102/0x170 [ 2789.097376][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2789.097376][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.097376][ T74] netlink_rcv_skb+0x130/0x360 [ 2789.097376][ T74] netlink_unicast+0x449/0x710 [ 2789.097376][ T74] netlink_sendmsg+0x723/0xbe0 [ 2789.097376][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2789.097376][ T74] ___sys_sendmsg+0xee/0x170 [ 2789.097376][ T74] __sys_sendmsg+0xcd/0x170 [ 2789.097376][ T74] do_syscall_64+0xc6/0x1e0 [ 2789.097376][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.097376][ T74] [ 2789.098982][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2789.098982][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2789.098982][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2789.098982][ T74] ipv6_find_idev+0x102/0x170 [ 2789.098982][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2789.098982][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.098982][ T74] netlink_rcv_skb+0x130/0x360 [ 2789.098982][ T74] netlink_unicast+0x449/0x710 [ 2789.098982][ T74] netlink_sendmsg+0x723/0xbe0 [ 2789.098982][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2789.098982][ T74] ___sys_sendmsg+0xee/0x170 [ 2789.098982][ T74] __sys_sendmsg+0xcd/0x170 [ 2789.098982][ T74] do_syscall_64+0xc6/0x1e0 [ 2789.098982][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.098982][ T74] [ 2799.247994][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2799.248421][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2799.248421][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2799.248421][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2799.248421][ T74] fib6_nh_init+0xa22/0x1580 [ 2799.248421][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2799.248421][ T74] ip6_route_add+0x1c/0x140 [ 2799.248421][ T74] inet6_rtm_newroute+0x104/0x110 [ 2799.248421][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.248421][ T74] netlink_rcv_skb+0x130/0x360 [ 2799.248421][ T74] netlink_unicast+0x449/0x710 [ 2799.248421][ T74] netlink_sendmsg+0x723/0xbe0 [ 2799.248421][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2799.248421][ T74] ___sys_sendmsg+0xee/0x170 [ 2799.248421][ T74] __sys_sendmsg+0xcd/0x170 [ 2799.248421][ T74] do_syscall_64+0xc6/0x1e0 [ 2799.248421][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2799.248421][ T74] [ 2799.250522][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2799.250522][ T74] netdev_get_by_index+0x5e/0x80 [ 2799.250522][ T74] fib6_nh_init+0x3d8/0x1580 [ 2799.250522][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2799.250522][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2799.250522][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2799.250522][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2799.250522][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2799.250522][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2799.250522][ T74] addrconf_dad_begin+0x310/0x670 [ 2799.250522][ T74] addrconf_dad_work+0x10b/0xab0 [ 2799.250522][ T74] process_one_work+0x84d/0x18a0 [ 2799.250522][ T74] worker_thread+0x587/0xd30 [ 2799.250522][ T74] kthread+0x28a/0x350 [ 2799.250522][ T74] ret_from_fork+0x31/0x70 [ 2799.250522][ T74] ret_from_fork_asm+0x1a/0x30 [ 2799.250522][ T74] [ 2799.252613][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2799.252613][ T74] netdev_get_by_index+0x5e/0x80 [ 2799.252613][ T74] fib6_nh_init+0x3d8/0x1580 [ 2799.252613][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2799.252613][ T74] ip6_route_add+0x1c/0x140 [ 2799.252613][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2799.252613][ T74] inet6_addr_add+0x4f8/0xa40 [ 2799.252613][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2799.252613][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.252613][ T74] netlink_rcv_skb+0x130/0x360 [ 2799.252613][ T74] netlink_unicast+0x449/0x710 [ 2799.252613][ T74] netlink_sendmsg+0x723/0xbe0 [ 2799.252613][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2799.252613][ T74] ___sys_sendmsg+0xee/0x170 [ 2799.252613][ T74] __sys_sendmsg+0xcd/0x170 [ 2799.252613][ T74] do_syscall_64+0xc6/0x1e0 [ 2799.252613][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2799.252613][ T74] [ 2799.254912][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2799.254912][ T74] netdev_get_by_index+0x5e/0x80 [ 2799.254912][ T74] fib6_nh_init+0x3d8/0x1580 [ 2799.254912][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2799.254912][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2799.254912][ T74] ipv6_add_addr+0x411/0x2000 [ 2799.254912][ T74] inet6_addr_add+0x30e/0xa40 [ 2799.254912][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2799.254912][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.254912][ T74] netlink_rcv_skb+0x130/0x360 [ 2799.254912][ T74] netlink_unicast+0x449/0x710 [ 2799.254912][ T74] netlink_sendmsg+0x723/0xbe0 [ 2799.254912][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2799.254912][ T74] ___sys_sendmsg+0xee/0x170 [ 2799.254912][ T74] __sys_sendmsg+0xcd/0x170 [ 2799.254912][ T74] do_syscall_64+0xc6/0x1e0 [ 2799.254912][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2799.254912][ T74] [ 2799.256956][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2799.256956][ T74] netdev_get_by_index+0x5e/0x80 [ 2799.256956][ T74] fib6_nh_init+0x3d8/0x1580 [ 2799.256956][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2799.256956][ T74] ip6_route_add+0x1c/0x140 [ 2799.256956][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2799.256956][ T74] addrconf_add_dev+0xe2/0x170 [ 2799.256956][ T74] inet6_addr_add+0x12f/0xa40 [ 2799.256956][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2799.256956][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.256956][ T74] netlink_rcv_skb+0x130/0x360 [ 2799.256956][ T74] netlink_unicast+0x449/0x710 [ 2799.256956][ T74] netlink_sendmsg+0x723/0xbe0 [ 2799.256956][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2799.256956][ T74] ___sys_sendmsg+0xee/0x170 [ 2799.256956][ T74] __sys_sendmsg+0xcd/0x170 [ 2799.256956][ T74] do_syscall_64+0xc6/0x1e0 [ 2799.256956][ T74] [ 2799.259022][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2799.259022][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2799.259022][ T74] ipv6_find_idev+0x102/0x170 [ 2799.259022][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2799.259022][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.259022][ T74] netlink_rcv_skb+0x130/0x360 [ 2799.259022][ T74] netlink_unicast+0x449/0x710 [ 2799.259022][ T74] netlink_sendmsg+0x723/0xbe0 [ 2799.259022][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2799.259022][ T74] ___sys_sendmsg+0xee/0x170 [ 2799.259022][ T74] __sys_sendmsg+0xcd/0x170 [ 2799.259022][ T74] do_syscall_64+0xc6/0x1e0 [ 2799.259022][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2799.259022][ T74] [ 2799.260701][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2799.260701][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2799.260701][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2799.260701][ T74] ipv6_find_idev+0x102/0x170 [ 2799.260701][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2799.260701][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.260701][ T74] netlink_rcv_skb+0x130/0x360 [ 2799.260701][ T74] netlink_unicast+0x449/0x710 [ 2799.260701][ T74] netlink_sendmsg+0x723/0xbe0 [ 2799.260701][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2799.260701][ T74] ___sys_sendmsg+0xee/0x170 [ 2799.260701][ T74] __sys_sendmsg+0xcd/0x170 [ 2799.260701][ T74] do_syscall_64+0xc6/0x1e0 [ 2799.260701][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2799.260701][ T74] [ 2799.262560][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2799.262854][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2799.262854][ T74] dst_init+0x84/0x4a0 [ 2799.262854][ T74] dst_alloc+0x97/0x150 [ 2799.262854][ T74] ip6_dst_alloc+0x23/0x90 [ 2799.262854][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2799.262854][ T74] ip6_pol_route+0x56f/0x840 [ 2799.262854][ T74] fib6_rule_lookup+0x456/0x630 [ 2799.262854][ T74] ip6_route_input+0x59c/0xa50 [ 2799.262854][ T74] ipv6_rcv+0x397/0x810 [ 2799.262854][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2799.262854][ T74] process_backlog+0x101/0x620 [ 2799.262854][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2799.262854][ T74] net_rx_action+0x495/0xbe0 [ 2799.262854][ T74] __do_softirq+0x1b5/0x7f6 [ 2799.262854][ T74] [ 2799.264646][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2799.264646][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2799.264646][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2799.264646][ T74] fib6_nh_init+0xa22/0x1580 [ 2799.264646][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2799.264646][ T74] ip6_route_add+0x1c/0x140 [ 2799.264646][ T74] inet6_rtm_newroute+0x104/0x110 [ 2799.264646][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.264646][ T74] netlink_rcv_skb+0x130/0x360 [ 2799.264646][ T74] netlink_unicast+0x449/0x710 [ 2799.264646][ T74] netlink_sendmsg+0x723/0xbe0 [ 2799.264646][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2799.264646][ T74] ___sys_sendmsg+0xee/0x170 [ 2799.264646][ T74] __sys_sendmsg+0xcd/0x170 [ 2799.264646][ T74] do_syscall_64+0xc6/0x1e0 [ 2799.264646][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2799.264646][ T74] [ 2799.266730][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2799.266730][ T74] netdev_get_by_index+0x5e/0x80 [ 2799.266730][ T74] fib6_nh_init+0x3d8/0x1580 [ 2799.266730][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2799.266730][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2799.266730][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2799.266730][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2799.266730][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2799.266730][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2799.266730][ T74] addrconf_dad_begin+0x310/0x670 [ 2799.266730][ T74] addrconf_dad_work+0x10b/0xab0 [ 2799.266730][ T74] process_one_work+0x84d/0x18a0 [ 2799.266730][ T74] worker_thread+0x587/0xd30 [ 2799.266730][ T74] kthread+0x28a/0x350 [ 2799.266730][ T74] ret_from_fork+0x31/0x70 [ 2799.266730][ T74] ret_from_fork_asm+0x1a/0x30 [ 2799.266730][ T74] [ 2799.268834][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2799.268834][ T74] netdev_get_by_index+0x5e/0x80 [ 2799.268834][ T74] fib6_nh_init+0x3d8/0x1580 [ 2799.268834][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2799.268834][ T74] ip6_route_add+0x1c/0x140 [ 2799.268834][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2799.268834][ T74] inet6_addr_add+0x4f8/0xa40 [ 2799.268834][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2799.268834][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.268834][ T74] netlink_rcv_skb+0x130/0x360 [ 2799.268834][ T74] netlink_unicast+0x449/0x710 [ 2799.268834][ T74] netlink_sendmsg+0x723/0xbe0 [ 2799.268834][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2799.268834][ T74] ___sys_sendmsg+0xee/0x170 [ 2799.268834][ T74] __sys_sendmsg+0xcd/0x170 [ 2799.268834][ T74] do_syscall_64+0xc6/0x1e0 [ 2799.268834][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2799.268834][ T74] [ 2799.271028][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2799.271028][ T74] netdev_get_by_index+0x5e/0x80 [ 2799.271028][ T74] fib6_nh_init+0x3d8/0x1580 [ 2799.271028][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2799.271028][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2799.271028][ T74] ipv6_add_addr+0x411/0x2000 [ 2799.271028][ T74] inet6_addr_add+0x30e/0xa40 [ 2799.271028][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2799.271028][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.271028][ T74] netlink_rcv_skb+0x130/0x360 [ 2799.271028][ T74] netlink_unicast+0x449/0x710 [ 2799.271028][ T74] netlink_sendmsg+0x723/0xbe0 [ 2799.271028][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2799.271028][ T74] ___sys_sendmsg+0xee/0x170 [ 2799.271028][ T74] __sys_sendmsg+0xcd/0x170 [ 2799.271028][ T74] do_syscall_64+0xc6/0x1e0 [ 2799.271028][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2799.271028][ T74] [ 2799.273232][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2799.273232][ T74] netdev_get_by_index+0x5e/0x80 [ 2799.273232][ T74] fib6_nh_init+0x3d8/0x1580 [ 2799.273232][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2799.273232][ T74] ip6_route_add+0x1c/0x140 [ 2799.273232][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2799.273232][ T74] addrconf_add_dev+0xe2/0x170 [ 2799.273232][ T74] inet6_addr_add+0x12f/0xa40 [ 2799.273232][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2799.273232][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.273232][ T74] netlink_rcv_skb+0x130/0x360 [ 2799.273232][ T74] netlink_unicast+0x449/0x710 [ 2799.273232][ T74] netlink_sendmsg+0x723/0xbe0 [ 2799.273232][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2799.273232][ T74] ___sys_sendmsg+0xee/0x170 [ 2799.273232][ T74] __sys_sendmsg+0xcd/0x170 [ 2799.273232][ T74] do_syscall_64+0xc6/0x1e0 [ 2799.273232][ T74] [ 2799.275392][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2799.275392][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2799.275392][ T74] ipv6_find_idev+0x102/0x170 [ 2799.275392][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2799.275392][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.275392][ T74] netlink_rcv_skb+0x130/0x360 [ 2799.275392][ T74] netlink_unicast+0x449/0x710 [ 2799.275392][ T74] netlink_sendmsg+0x723/0xbe0 [ 2799.275392][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2799.275392][ T74] ___sys_sendmsg+0xee/0x170 [ 2799.275392][ T74] __sys_sendmsg+0xcd/0x170 [ 2799.275392][ T74] do_syscall_64+0xc6/0x1e0 [ 2799.275392][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2799.275392][ T74] [ 2799.277274][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2799.277274][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2799.277274][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2799.277274][ T74] ipv6_find_idev+0x102/0x170 [ 2799.277274][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2799.277274][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.277274][ T74] netlink_rcv_skb+0x130/0x360 [ 2799.277274][ T74] netlink_unicast+0x449/0x710 [ 2799.277274][ T74] netlink_sendmsg+0x723/0xbe0 [ 2799.277274][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2799.277274][ T74] ___sys_sendmsg+0xee/0x170 [ 2799.277274][ T74] __sys_sendmsg+0xcd/0x170 [ 2799.277274][ T74] do_syscall_64+0xc6/0x1e0 [ 2799.277274][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2799.277274][ T74] [ 2799.279391][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2799.279698][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2799.279698][ T74] netdev_get_by_index+0x5e/0x80 [ 2799.279698][ T74] fib6_nh_init+0x3d8/0x1580 [ 2799.279698][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2799.279698][ T74] ip6_route_add+0x1c/0x140 [ 2799.279698][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2799.279698][ T74] inet6_addr_add+0x4f8/0xa40 [ 2799.279698][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2799.279698][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.279698][ T74] netlink_rcv_skb+0x130/0x360 [ 2799.279698][ T74] netlink_unicast+0x449/0x710 [ 2799.279698][ T74] netlink_sendmsg+0x723/0xbe0 [ 2799.279698][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2799.279698][ T74] ___sys_sendmsg+0xee/0x170 [ 2799.279698][ T74] __sys_sendmsg+0xcd/0x170 [ 2799.279698][ T74] do_syscall_64+0xc6/0x1e0 [ 2799.279698][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2799.279698][ T74] [ 2799.282073][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2799.282073][ T74] netdev_get_by_index+0x5e/0x80 [ 2799.282073][ T74] fib6_nh_init+0x3d8/0x1580 [ 2799.282073][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2799.282073][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2799.282073][ T74] ipv6_add_addr+0x411/0x2000 [ 2799.282073][ T74] inet6_addr_add+0x30e/0xa40 [ 2799.282073][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2799.282073][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.282073][ T74] netlink_rcv_skb+0x130/0x360 [ 2799.282073][ T74] netlink_unicast+0x449/0x710 [ 2799.282073][ T74] netlink_sendmsg+0x723/0xbe0 [ 2799.282073][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2799.282073][ T74] ___sys_sendmsg+0xee/0x170 [ 2799.282073][ T74] __sys_sendmsg+0xcd/0x170 [ 2799.282073][ T74] do_syscall_64+0xc6/0x1e0 [ 2799.282073][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2799.282073][ T74] [ 2799.284517][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2799.284517][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2799.284517][ T74] ipv6_find_idev+0x102/0x170 [ 2799.284517][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2799.284517][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.284517][ T74] netlink_rcv_skb+0x130/0x360 [ 2799.284517][ T74] netlink_unicast+0x449/0x710 [ 2799.284517][ T74] netlink_sendmsg+0x723/0xbe0 [ 2799.284517][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2799.284517][ T74] ___sys_sendmsg+0xee/0x170 [ 2799.284517][ T74] __sys_sendmsg+0xcd/0x170 [ 2799.284517][ T74] do_syscall_64+0xc6/0x1e0 [ 2799.284517][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2799.284517][ T74] [ 2799.286405][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2799.286405][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2799.286405][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2799.286405][ T74] ipv6_find_idev+0x102/0x170 [ 2799.286405][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2799.286405][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.286405][ T74] netlink_rcv_skb+0x130/0x360 [ 2799.286405][ T74] netlink_unicast+0x449/0x710 [ 2799.286405][ T74] netlink_sendmsg+0x723/0xbe0 [ 2799.286405][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2799.286405][ T74] ___sys_sendmsg+0xee/0x170 [ 2799.286405][ T74] __sys_sendmsg+0xcd/0x170 [ 2799.286405][ T74] do_syscall_64+0xc6/0x1e0 [ 2799.286405][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2799.286405][ T74] [ 2809.536016][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2809.536406][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2809.536406][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2809.536406][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2809.536406][ T74] fib6_nh_init+0xa22/0x1580 [ 2809.536406][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2809.536406][ T74] ip6_route_add+0x1c/0x140 [ 2809.536406][ T74] inet6_rtm_newroute+0x104/0x110 [ 2809.536406][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2809.536406][ T74] netlink_rcv_skb+0x130/0x360 [ 2809.536406][ T74] netlink_unicast+0x449/0x710 [ 2809.536406][ T74] netlink_sendmsg+0x723/0xbe0 [ 2809.536406][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2809.536406][ T74] ___sys_sendmsg+0xee/0x170 [ 2809.536406][ T74] __sys_sendmsg+0xcd/0x170 [ 2809.536406][ T74] do_syscall_64+0xc6/0x1e0 [ 2809.536406][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2809.536406][ T74] [ 2809.538324][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2809.538324][ T74] netdev_get_by_index+0x5e/0x80 [ 2809.538324][ T74] fib6_nh_init+0x3d8/0x1580 [ 2809.538324][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2809.538324][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2809.538324][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2809.538324][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2809.538324][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2809.538324][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2809.538324][ T74] addrconf_dad_begin+0x310/0x670 [ 2809.538324][ T74] addrconf_dad_work+0x10b/0xab0 [ 2809.538324][ T74] process_one_work+0x84d/0x18a0 [ 2809.538324][ T74] worker_thread+0x587/0xd30 [ 2809.538324][ T74] kthread+0x28a/0x350 [ 2809.538324][ T74] ret_from_fork+0x31/0x70 [ 2809.538324][ T74] ret_from_fork_asm+0x1a/0x30 [ 2809.538324][ T74] [ 2809.540262][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2809.540262][ T74] netdev_get_by_index+0x5e/0x80 [ 2809.540262][ T74] fib6_nh_init+0x3d8/0x1580 [ 2809.540262][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2809.540262][ T74] ip6_route_add+0x1c/0x140 [ 2809.540262][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2809.540262][ T74] inet6_addr_add+0x4f8/0xa40 [ 2809.540262][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2809.540262][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2809.540262][ T74] netlink_rcv_skb+0x130/0x360 [ 2809.540262][ T74] netlink_unicast+0x449/0x710 [ 2809.540262][ T74] netlink_sendmsg+0x723/0xbe0 [ 2809.540262][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2809.540262][ T74] ___sys_sendmsg+0xee/0x170 [ 2809.540262][ T74] __sys_sendmsg+0xcd/0x170 [ 2809.540262][ T74] do_syscall_64+0xc6/0x1e0 [ 2809.540262][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2809.540262][ T74] [ 2809.542338][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2809.542338][ T74] netdev_get_by_index+0x5e/0x80 [ 2809.542338][ T74] fib6_nh_init+0x3d8/0x1580 [ 2809.542338][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2809.542338][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2809.542338][ T74] ipv6_add_addr+0x411/0x2000 [ 2809.542338][ T74] inet6_addr_add+0x30e/0xa40 [ 2809.542338][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2809.542338][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2809.542338][ T74] netlink_rcv_skb+0x130/0x360 [ 2809.542338][ T74] netlink_unicast+0x449/0x710 [ 2809.542338][ T74] netlink_sendmsg+0x723/0xbe0 [ 2809.542338][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2809.542338][ T74] ___sys_sendmsg+0xee/0x170 [ 2809.542338][ T74] __sys_sendmsg+0xcd/0x170 [ 2809.542338][ T74] do_syscall_64+0xc6/0x1e0 [ 2809.542338][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2809.542338][ T74] [ 2809.544403][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2809.544403][ T74] netdev_get_by_index+0x5e/0x80 [ 2809.544403][ T74] fib6_nh_init+0x3d8/0x1580 [ 2809.544403][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2809.544403][ T74] ip6_route_add+0x1c/0x140 [ 2809.544403][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2809.544403][ T74] addrconf_add_dev+0xe2/0x170 [ 2809.544403][ T74] inet6_addr_add+0x12f/0xa40 [ 2809.544403][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2809.544403][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2809.544403][ T74] netlink_rcv_skb+0x130/0x360 [ 2809.544403][ T74] netlink_unicast+0x449/0x710 [ 2809.544403][ T74] netlink_sendmsg+0x723/0xbe0 [ 2809.544403][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2809.544403][ T74] ___sys_sendmsg+0xee/0x170 [ 2809.544403][ T74] __sys_sendmsg+0xcd/0x170 [ 2809.544403][ T74] do_syscall_64+0xc6/0x1e0 [ 2809.544403][ T74] [ 2809.546755][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2809.546755][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2809.546755][ T74] ipv6_find_idev+0x102/0x170 [ 2809.546755][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2809.546755][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2809.546755][ T74] netlink_rcv_skb+0x130/0x360 [ 2809.546755][ T74] netlink_unicast+0x449/0x710 [ 2809.546755][ T74] netlink_sendmsg+0x723/0xbe0 [ 2809.546755][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2809.546755][ T74] ___sys_sendmsg+0xee/0x170 [ 2809.546755][ T74] __sys_sendmsg+0xcd/0x170 [ 2809.546755][ T74] do_syscall_64+0xc6/0x1e0 [ 2809.546755][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2809.546755][ T74] [ 2809.549260][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2809.549260][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2809.549260][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2809.549260][ T74] ipv6_find_idev+0x102/0x170 [ 2809.549260][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2809.549260][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2809.549260][ T74] netlink_rcv_skb+0x130/0x360 [ 2809.549260][ T74] netlink_unicast+0x449/0x710 [ 2809.549260][ T74] netlink_sendmsg+0x723/0xbe0 [ 2809.549260][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2809.549260][ T74] ___sys_sendmsg+0xee/0x170 [ 2809.549260][ T74] __sys_sendmsg+0xcd/0x170 [ 2809.549260][ T74] do_syscall_64+0xc6/0x1e0 [ 2809.549260][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2809.549260][ T74] [ 2809.551054][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2809.551329][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2809.551329][ T74] dst_init+0x84/0x4a0 [ 2809.551329][ T74] dst_alloc+0x97/0x150 [ 2809.551329][ T74] ip6_dst_alloc+0x23/0x90 [ 2809.551329][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2809.551329][ T74] ip6_pol_route+0x56f/0x840 [ 2809.551329][ T74] fib6_rule_lookup+0x456/0x630 [ 2809.551329][ T74] ip6_route_input+0x59c/0xa50 [ 2809.551329][ T74] ipv6_rcv+0x397/0x810 [ 2809.551329][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2809.551329][ T74] process_backlog+0x101/0x620 [ 2809.551329][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2809.551329][ T74] net_rx_action+0x495/0xbe0 [ 2809.551329][ T74] __do_softirq+0x1b5/0x7f6 [ 2809.551329][ T74] [ 2809.552984][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2809.552984][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2809.552984][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2809.552984][ T74] fib6_nh_init+0xa22/0x1580 [ 2809.552984][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2809.552984][ T74] ip6_route_add+0x1c/0x140 [ 2809.552984][ T74] inet6_rtm_newroute+0x104/0x110 [ 2809.552984][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2809.552984][ T74] netlink_rcv_skb+0x130/0x360 [ 2809.552984][ T74] netlink_unicast+0x449/0x710 [ 2809.552984][ T74] netlink_sendmsg+0x723/0xbe0 [ 2809.552984][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2809.552984][ T74] ___sys_sendmsg+0xee/0x170 [ 2809.552984][ T74] __sys_sendmsg+0xcd/0x170 [ 2809.552984][ T74] do_syscall_64+0xc6/0x1e0 [ 2809.552984][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2809.552984][ T74] [ 2809.554890][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2809.554890][ T74] netdev_get_by_index+0x5e/0x80 [ 2809.554890][ T74] fib6_nh_init+0x3d8/0x1580 [ 2809.554890][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2809.554890][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2809.554890][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2809.554890][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2809.554890][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2809.554890][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2809.554890][ T74] addrconf_dad_begin+0x310/0x670 [ 2809.554890][ T74] addrconf_dad_work+0x10b/0xab0 [ 2809.554890][ T74] process_one_work+0x84d/0x18a0 [ 2809.554890][ T74] worker_thread+0x587/0xd30 [ 2809.554890][ T74] kthread+0x28a/0x350 [ 2809.554890][ T74] ret_from_fork+0x31/0x70 [ 2809.554890][ T74] ret_from_fork_asm+0x1a/0x30 [ 2809.554890][ T74] [ 2809.556838][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2809.556838][ T74] netdev_get_by_index+0x5e/0x80 [ 2809.556838][ T74] fib6_nh_init+0x3d8/0x1580 [ 2809.556838][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2809.556838][ T74] ip6_route_add+0x1c/0x140 [ 2809.556838][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2809.556838][ T74] inet6_addr_add+0x4f8/0xa40 [ 2809.556838][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2809.556838][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2809.556838][ T74] netlink_rcv_skb+0x130/0x360 [ 2809.556838][ T74] netlink_unicast+0x449/0x710 [ 2809.556838][ T74] netlink_sendmsg+0x723/0xbe0 [ 2809.556838][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2809.556838][ T74] ___sys_sendmsg+0xee/0x170 [ 2809.556838][ T74] __sys_sendmsg+0xcd/0x170 [ 2809.556838][ T74] do_syscall_64+0xc6/0x1e0 [ 2809.556838][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2809.556838][ T74] [ 2809.558874][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2809.558874][ T74] netdev_get_by_index+0x5e/0x80 [ 2809.558874][ T74] fib6_nh_init+0x3d8/0x1580 [ 2809.558874][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2809.558874][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2809.558874][ T74] ipv6_add_addr+0x411/0x2000 [ 2809.558874][ T74] inet6_addr_add+0x30e/0xa40 [ 2809.558874][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2809.558874][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2809.558874][ T74] netlink_rcv_skb+0x130/0x360 [ 2809.558874][ T74] netlink_unicast+0x449/0x710 [ 2809.558874][ T74] netlink_sendmsg+0x723/0xbe0 [ 2809.558874][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2809.558874][ T74] ___sys_sendmsg+0xee/0x170 [ 2809.558874][ T74] __sys_sendmsg+0xcd/0x170 [ 2809.558874][ T74] do_syscall_64+0xc6/0x1e0 [ 2809.558874][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2809.558874][ T74] [ 2809.560890][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2809.560890][ T74] netdev_get_by_index+0x5e/0x80 [ 2809.560890][ T74] fib6_nh_init+0x3d8/0x1580 [ 2809.560890][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2809.560890][ T74] ip6_route_add+0x1c/0x140 [ 2809.560890][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2809.560890][ T74] addrconf_add_dev+0xe2/0x170 [ 2809.560890][ T74] inet6_addr_add+0x12f/0xa40 [ 2809.560890][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2809.560890][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2809.560890][ T74] netlink_rcv_skb+0x130/0x360 [ 2809.560890][ T74] netlink_unicast+0x449/0x710 [ 2809.560890][ T74] netlink_sendmsg+0x723/0xbe0 [ 2809.560890][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2809.560890][ T74] ___sys_sendmsg+0xee/0x170 [ 2809.560890][ T74] __sys_sendmsg+0xcd/0x170 [ 2809.560890][ T74] do_syscall_64+0xc6/0x1e0 [ 2809.560890][ T74] [ 2809.562859][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2809.562859][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2809.562859][ T74] ipv6_find_idev+0x102/0x170 [ 2809.562859][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2809.562859][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2809.562859][ T74] netlink_rcv_skb+0x130/0x360 [ 2809.562859][ T74] netlink_unicast+0x449/0x710 [ 2809.562859][ T74] netlink_sendmsg+0x723/0xbe0 [ 2809.562859][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2809.562859][ T74] ___sys_sendmsg+0xee/0x170 [ 2809.562859][ T74] __sys_sendmsg+0xcd/0x170 [ 2809.562859][ T74] do_syscall_64+0xc6/0x1e0 [ 2809.562859][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2809.562859][ T74] [ 2809.564586][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2809.564586][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2809.564586][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2809.564586][ T74] ipv6_find_idev+0x102/0x170 [ 2809.564586][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2809.564586][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2809.564586][ T74] netlink_rcv_skb+0x130/0x360 [ 2809.564586][ T74] netlink_unicast+0x449/0x710 [ 2809.564586][ T74] netlink_sendmsg+0x723/0xbe0 [ 2809.564586][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2809.564586][ T74] ___sys_sendmsg+0xee/0x170 [ 2809.564586][ T74] __sys_sendmsg+0xcd/0x170 [ 2809.564586][ T74] do_syscall_64+0xc6/0x1e0 [ 2809.564586][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2809.564586][ T74] [ 2809.566543][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2809.566850][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2809.566850][ T74] netdev_get_by_index+0x5e/0x80 [ 2809.566850][ T74] fib6_nh_init+0x3d8/0x1580 [ 2809.566850][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2809.566850][ T74] ip6_route_add+0x1c/0x140 [ 2809.566850][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2809.566850][ T74] inet6_addr_add+0x4f8/0xa40 [ 2809.566850][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2809.566850][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2809.566850][ T74] netlink_rcv_skb+0x130/0x360 [ 2809.566850][ T74] netlink_unicast+0x449/0x710 [ 2809.566850][ T74] netlink_sendmsg+0x723/0xbe0 [ 2809.566850][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2809.566850][ T74] ___sys_sendmsg+0xee/0x170 [ 2809.566850][ T74] __sys_sendmsg+0xcd/0x170 [ 2809.566850][ T74] do_syscall_64+0xc6/0x1e0 [ 2809.566850][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2809.566850][ T74] [ 2809.569035][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2809.569035][ T74] netdev_get_by_index+0x5e/0x80 [ 2809.569035][ T74] fib6_nh_init+0x3d8/0x1580 [ 2809.569035][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2809.569035][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2809.569035][ T74] ipv6_add_addr+0x411/0x2000 [ 2809.569035][ T74] inet6_addr_add+0x30e/0xa40 [ 2809.569035][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2809.569035][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2809.569035][ T74] netlink_rcv_skb+0x130/0x360 [ 2809.569035][ T74] netlink_unicast+0x449/0x710 [ 2809.569035][ T74] netlink_sendmsg+0x723/0xbe0 [ 2809.569035][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2809.569035][ T74] ___sys_sendmsg+0xee/0x170 [ 2809.569035][ T74] __sys_sendmsg+0xcd/0x170 [ 2809.569035][ T74] do_syscall_64+0xc6/0x1e0 [ 2809.569035][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2809.569035][ T74] [ 2809.571319][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2809.571319][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2809.571319][ T74] ipv6_find_idev+0x102/0x170 [ 2809.571319][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2809.571319][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2809.571319][ T74] netlink_rcv_skb+0x130/0x360 [ 2809.571319][ T74] netlink_unicast+0x449/0x710 [ 2809.571319][ T74] netlink_sendmsg+0x723/0xbe0 [ 2809.571319][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2809.571319][ T74] ___sys_sendmsg+0xee/0x170 [ 2809.571319][ T74] __sys_sendmsg+0xcd/0x170 [ 2809.571319][ T74] do_syscall_64+0xc6/0x1e0 [ 2809.571319][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2809.571319][ T74] [ 2809.573067][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2809.573067][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2809.573067][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2809.573067][ T74] ipv6_find_idev+0x102/0x170 [ 2809.573067][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2809.573067][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2809.573067][ T74] netlink_rcv_skb+0x130/0x360 [ 2809.573067][ T74] netlink_unicast+0x449/0x710 [ 2809.573067][ T74] netlink_sendmsg+0x723/0xbe0 [ 2809.573067][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2809.573067][ T74] ___sys_sendmsg+0xee/0x170 [ 2809.573067][ T74] __sys_sendmsg+0xcd/0x170 [ 2809.573067][ T74] do_syscall_64+0xc6/0x1e0 [ 2809.573067][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2809.573067][ T74] [ 2819.592004][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2819.592414][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2819.592414][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2819.592414][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2819.592414][ T74] fib6_nh_init+0xa22/0x1580 [ 2819.592414][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2819.592414][ T74] ip6_route_add+0x1c/0x140 [ 2819.592414][ T74] inet6_rtm_newroute+0x104/0x110 [ 2819.592414][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2819.592414][ T74] netlink_rcv_skb+0x130/0x360 [ 2819.592414][ T74] netlink_unicast+0x449/0x710 [ 2819.592414][ T74] netlink_sendmsg+0x723/0xbe0 [ 2819.592414][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2819.592414][ T74] ___sys_sendmsg+0xee/0x170 [ 2819.592414][ T74] __sys_sendmsg+0xcd/0x170 [ 2819.592414][ T74] do_syscall_64+0xc6/0x1e0 [ 2819.592414][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2819.592414][ T74] [ 2819.594471][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2819.594471][ T74] netdev_get_by_index+0x5e/0x80 [ 2819.594471][ T74] fib6_nh_init+0x3d8/0x1580 [ 2819.594471][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2819.594471][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2819.594471][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2819.594471][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2819.594471][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2819.594471][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2819.594471][ T74] addrconf_dad_begin+0x310/0x670 [ 2819.594471][ T74] addrconf_dad_work+0x10b/0xab0 [ 2819.594471][ T74] process_one_work+0x84d/0x18a0 [ 2819.594471][ T74] worker_thread+0x587/0xd30 [ 2819.594471][ T74] kthread+0x28a/0x350 [ 2819.594471][ T74] ret_from_fork+0x31/0x70 [ 2819.594471][ T74] ret_from_fork_asm+0x1a/0x30 [ 2819.594471][ T74] [ 2819.596437][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2819.596437][ T74] netdev_get_by_index+0x5e/0x80 [ 2819.596437][ T74] fib6_nh_init+0x3d8/0x1580 [ 2819.596437][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2819.596437][ T74] ip6_route_add+0x1c/0x140 [ 2819.596437][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2819.596437][ T74] inet6_addr_add+0x4f8/0xa40 [ 2819.596437][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2819.596437][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2819.596437][ T74] netlink_rcv_skb+0x130/0x360 [ 2819.596437][ T74] netlink_unicast+0x449/0x710 [ 2819.596437][ T74] netlink_sendmsg+0x723/0xbe0 [ 2819.596437][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2819.596437][ T74] ___sys_sendmsg+0xee/0x170 [ 2819.596437][ T74] __sys_sendmsg+0xcd/0x170 [ 2819.596437][ T74] do_syscall_64+0xc6/0x1e0 [ 2819.596437][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2819.596437][ T74] [ 2819.598484][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2819.598484][ T74] netdev_get_by_index+0x5e/0x80 [ 2819.598484][ T74] fib6_nh_init+0x3d8/0x1580 [ 2819.598484][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2819.598484][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2819.598484][ T74] ipv6_add_addr+0x411/0x2000 [ 2819.598484][ T74] inet6_addr_add+0x30e/0xa40 [ 2819.598484][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2819.598484][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2819.598484][ T74] netlink_rcv_skb+0x130/0x360 [ 2819.598484][ T74] netlink_unicast+0x449/0x710 [ 2819.598484][ T74] netlink_sendmsg+0x723/0xbe0 [ 2819.598484][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2819.598484][ T74] ___sys_sendmsg+0xee/0x170 [ 2819.598484][ T74] __sys_sendmsg+0xcd/0x170 [ 2819.598484][ T74] do_syscall_64+0xc6/0x1e0 [ 2819.598484][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2819.598484][ T74] [ 2819.600534][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2819.600534][ T74] netdev_get_by_index+0x5e/0x80 [ 2819.600534][ T74] fib6_nh_init+0x3d8/0x1580 [ 2819.600534][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2819.600534][ T74] ip6_route_add+0x1c/0x140 [ 2819.600534][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2819.600534][ T74] addrconf_add_dev+0xe2/0x170 [ 2819.600534][ T74] inet6_addr_add+0x12f/0xa40 [ 2819.600534][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2819.600534][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2819.600534][ T74] netlink_rcv_skb+0x130/0x360 [ 2819.600534][ T74] netlink_unicast+0x449/0x710 [ 2819.600534][ T74] netlink_sendmsg+0x723/0xbe0 [ 2819.600534][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2819.600534][ T74] ___sys_sendmsg+0xee/0x170 [ 2819.600534][ T74] __sys_sendmsg+0xcd/0x170 [ 2819.600534][ T74] do_syscall_64+0xc6/0x1e0 [ 2819.600534][ T74] [ 2819.602548][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2819.602548][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2819.602548][ T74] ipv6_find_idev+0x102/0x170 [ 2819.602548][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2819.602548][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2819.602548][ T74] netlink_rcv_skb+0x130/0x360 [ 2819.602548][ T74] netlink_unicast+0x449/0x710 [ 2819.602548][ T74] netlink_sendmsg+0x723/0xbe0 [ 2819.602548][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2819.602548][ T74] ___sys_sendmsg+0xee/0x170 [ 2819.602548][ T74] __sys_sendmsg+0xcd/0x170 [ 2819.602548][ T74] do_syscall_64+0xc6/0x1e0 [ 2819.602548][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2819.602548][ T74] [ 2819.604127][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2819.604127][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2819.604127][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2819.604127][ T74] ipv6_find_idev+0x102/0x170 [ 2819.604127][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2819.604127][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2819.604127][ T74] netlink_rcv_skb+0x130/0x360 [ 2819.604127][ T74] netlink_unicast+0x449/0x710 [ 2819.604127][ T74] netlink_sendmsg+0x723/0xbe0 [ 2819.604127][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2819.604127][ T74] ___sys_sendmsg+0xee/0x170 [ 2819.604127][ T74] __sys_sendmsg+0xcd/0x170 [ 2819.604127][ T74] do_syscall_64+0xc6/0x1e0 [ 2819.604127][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2819.604127][ T74] [ 2819.605891][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2819.606170][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2819.606170][ T74] dst_init+0x84/0x4a0 [ 2819.606170][ T74] dst_alloc+0x97/0x150 [ 2819.606170][ T74] ip6_dst_alloc+0x23/0x90 [ 2819.606170][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2819.606170][ T74] ip6_pol_route+0x56f/0x840 [ 2819.606170][ T74] fib6_rule_lookup+0x456/0x630 [ 2819.606170][ T74] ip6_route_input+0x59c/0xa50 [ 2819.606170][ T74] ipv6_rcv+0x397/0x810 [ 2819.606170][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2819.606170][ T74] process_backlog+0x101/0x620 [ 2819.606170][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2819.606170][ T74] net_rx_action+0x495/0xbe0 [ 2819.606170][ T74] __do_softirq+0x1b5/0x7f6 [ 2819.606170][ T74] [ 2819.607848][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2819.607848][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2819.607848][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2819.607848][ T74] fib6_nh_init+0xa22/0x1580 [ 2819.607848][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2819.607848][ T74] ip6_route_add+0x1c/0x140 [ 2819.607848][ T74] inet6_rtm_newroute+0x104/0x110 [ 2819.607848][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2819.607848][ T74] netlink_rcv_skb+0x130/0x360 [ 2819.607848][ T74] netlink_unicast+0x449/0x710 [ 2819.607848][ T74] netlink_sendmsg+0x723/0xbe0 [ 2819.607848][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2819.607848][ T74] ___sys_sendmsg+0xee/0x170 [ 2819.607848][ T74] __sys_sendmsg+0xcd/0x170 [ 2819.607848][ T74] do_syscall_64+0xc6/0x1e0 [ 2819.607848][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2819.607848][ T74] [ 2819.609757][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2819.609757][ T74] netdev_get_by_index+0x5e/0x80 [ 2819.609757][ T74] fib6_nh_init+0x3d8/0x1580 [ 2819.609757][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2819.609757][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2819.609757][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2819.609757][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2819.609757][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2819.609757][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2819.609757][ T74] addrconf_dad_begin+0x310/0x670 [ 2819.609757][ T74] addrconf_dad_work+0x10b/0xab0 [ 2819.609757][ T74] process_one_work+0x84d/0x18a0 [ 2819.609757][ T74] worker_thread+0x587/0xd30 [ 2819.609757][ T74] kthread+0x28a/0x350 [ 2819.609757][ T74] ret_from_fork+0x31/0x70 [ 2819.609757][ T74] ret_from_fork_asm+0x1a/0x30 [ 2819.609757][ T74] [ 2819.611688][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2819.611688][ T74] netdev_get_by_index+0x5e/0x80 [ 2819.611688][ T74] fib6_nh_init+0x3d8/0x1580 [ 2819.611688][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2819.611688][ T74] ip6_route_add+0x1c/0x140 [ 2819.611688][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2819.611688][ T74] inet6_addr_add+0x4f8/0xa40 [ 2819.611688][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2819.611688][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2819.611688][ T74] netlink_rcv_skb+0x130/0x360 [ 2819.611688][ T74] netlink_unicast+0x449/0x710 [ 2819.611688][ T74] netlink_sendmsg+0x723/0xbe0 [ 2819.611688][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2819.611688][ T74] ___sys_sendmsg+0xee/0x170 [ 2819.611688][ T74] __sys_sendmsg+0xcd/0x170 [ 2819.611688][ T74] do_syscall_64+0xc6/0x1e0 [ 2819.611688][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2819.611688][ T74] [ 2819.613731][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2819.613731][ T74] netdev_get_by_index+0x5e/0x80 [ 2819.613731][ T74] fib6_nh_init+0x3d8/0x1580 [ 2819.613731][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2819.613731][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2819.613731][ T74] ipv6_add_addr+0x411/0x2000 [ 2819.613731][ T74] inet6_addr_add+0x30e/0xa40 [ 2819.613731][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2819.613731][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2819.613731][ T74] netlink_rcv_skb+0x130/0x360 [ 2819.613731][ T74] netlink_unicast+0x449/0x710 [ 2819.613731][ T74] netlink_sendmsg+0x723/0xbe0 [ 2819.613731][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2819.613731][ T74] ___sys_sendmsg+0xee/0x170 [ 2819.613731][ T74] __sys_sendmsg+0xcd/0x170 [ 2819.613731][ T74] do_syscall_64+0xc6/0x1e0 [ 2819.613731][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2819.613731][ T74] [ 2819.615789][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2819.615789][ T74] netdev_get_by_index+0x5e/0x80 [ 2819.615789][ T74] fib6_nh_init+0x3d8/0x1580 [ 2819.615789][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2819.615789][ T74] ip6_route_add+0x1c/0x140 [ 2819.615789][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2819.615789][ T74] addrconf_add_dev+0xe2/0x170 [ 2819.615789][ T74] inet6_addr_add+0x12f/0xa40 [ 2819.615789][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2819.615789][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2819.615789][ T74] netlink_rcv_skb+0x130/0x360 [ 2819.615789][ T74] netlink_unicast+0x449/0x710 [ 2819.615789][ T74] netlink_sendmsg+0x723/0xbe0 [ 2819.615789][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2819.615789][ T74] ___sys_sendmsg+0xee/0x170 [ 2819.615789][ T74] __sys_sendmsg+0xcd/0x170 [ 2819.615789][ T74] do_syscall_64+0xc6/0x1e0 [ 2819.615789][ T74] [ 2819.617778][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2819.617778][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2819.617778][ T74] ipv6_find_idev+0x102/0x170 [ 2819.617778][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2819.617778][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2819.617778][ T74] netlink_rcv_skb+0x130/0x360 [ 2819.617778][ T74] netlink_unicast+0x449/0x710 [ 2819.617778][ T74] netlink_sendmsg+0x723/0xbe0 [ 2819.617778][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2819.617778][ T74] ___sys_sendmsg+0xee/0x170 [ 2819.617778][ T74] __sys_sendmsg+0xcd/0x170 [ 2819.617778][ T74] do_syscall_64+0xc6/0x1e0 [ 2819.617778][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2819.617778][ T74] [ 2819.619594][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2819.619594][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2819.619594][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2819.619594][ T74] ipv6_find_idev+0x102/0x170 [ 2819.619594][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2819.619594][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2819.619594][ T74] netlink_rcv_skb+0x130/0x360 [ 2819.619594][ T74] netlink_unicast+0x449/0x710 [ 2819.619594][ T74] netlink_sendmsg+0x723/0xbe0 [ 2819.619594][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2819.619594][ T74] ___sys_sendmsg+0xee/0x170 [ 2819.619594][ T74] __sys_sendmsg+0xcd/0x170 [ 2819.619594][ T74] do_syscall_64+0xc6/0x1e0 [ 2819.619594][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2819.619594][ T74] [ 2819.621726][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2819.622063][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2819.622063][ T74] netdev_get_by_index+0x5e/0x80 [ 2819.622063][ T74] fib6_nh_init+0x3d8/0x1580 [ 2819.622063][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2819.622063][ T74] ip6_route_add+0x1c/0x140 [ 2819.622063][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2819.622063][ T74] inet6_addr_add+0x4f8/0xa40 [ 2819.622063][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2819.622063][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2819.622063][ T74] netlink_rcv_skb+0x130/0x360 [ 2819.622063][ T74] netlink_unicast+0x449/0x710 [ 2819.622063][ T74] netlink_sendmsg+0x723/0xbe0 [ 2819.622063][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2819.622063][ T74] ___sys_sendmsg+0xee/0x170 [ 2819.622063][ T74] __sys_sendmsg+0xcd/0x170 [ 2819.622063][ T74] do_syscall_64+0xc6/0x1e0 [ 2819.622063][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2819.622063][ T74] [ 2819.624463][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2819.624463][ T74] netdev_get_by_index+0x5e/0x80 [ 2819.624463][ T74] fib6_nh_init+0x3d8/0x1580 [ 2819.624463][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2819.624463][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2819.624463][ T74] ipv6_add_addr+0x411/0x2000 [ 2819.624463][ T74] inet6_addr_add+0x30e/0xa40 [ 2819.624463][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2819.624463][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2819.624463][ T74] netlink_rcv_skb+0x130/0x360 [ 2819.624463][ T74] netlink_unicast+0x449/0x710 [ 2819.624463][ T74] netlink_sendmsg+0x723/0xbe0 [ 2819.624463][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2819.624463][ T74] ___sys_sendmsg+0xee/0x170 [ 2819.624463][ T74] __sys_sendmsg+0xcd/0x170 [ 2819.624463][ T74] do_syscall_64+0xc6/0x1e0 [ 2819.624463][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2819.624463][ T74] [ 2819.626834][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2819.626834][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2819.626834][ T74] ipv6_find_idev+0x102/0x170 [ 2819.626834][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2819.626834][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2819.626834][ T74] netlink_rcv_skb+0x130/0x360 [ 2819.626834][ T74] netlink_unicast+0x449/0x710 [ 2819.626834][ T74] netlink_sendmsg+0x723/0xbe0 [ 2819.626834][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2819.626834][ T74] ___sys_sendmsg+0xee/0x170 [ 2819.626834][ T74] __sys_sendmsg+0xcd/0x170 [ 2819.626834][ T74] do_syscall_64+0xc6/0x1e0 [ 2819.626834][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2819.626834][ T74] [ 2819.628574][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2819.628574][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2819.628574][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2819.628574][ T74] ipv6_find_idev+0x102/0x170 [ 2819.628574][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2819.628574][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2819.628574][ T74] netlink_rcv_skb+0x130/0x360 [ 2819.628574][ T74] netlink_unicast+0x449/0x710 [ 2819.628574][ T74] netlink_sendmsg+0x723/0xbe0 [ 2819.628574][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2819.628574][ T74] ___sys_sendmsg+0xee/0x170 [ 2819.628574][ T74] __sys_sendmsg+0xcd/0x170 [ 2819.628574][ T74] do_syscall_64+0xc6/0x1e0 [ 2819.628574][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2819.628574][ T74] [ 2827.560605][ T42] INFO: task modprobe:7619 blocked for more than 1228 seconds. [ 2827.560956][ T42] Not tainted 6.8.0-virtme #1 [ 2827.561185][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 2827.561384][ T42] task:modprobe state:D stack:25856 pid:7619 tgid:7619 ppid:62 flags:0x00004002 [ 2827.561639][ T42] Call Trace: [ 2827.561733][ T42] [ 2827.561811][ T42] __schedule+0x705/0x1ac0 [ 2827.561976][ T42] ? __pfx___schedule+0x10/0x10 [ 2827.562112][ T42] ? schedule+0x1a5/0x210 [ 2827.562215][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 2827.562365][ T42] ? mark_lock+0x38/0x3e0 [ 2827.562460][ T42] ? do_raw_spin_lock+0x131/0x270 [ 2827.562588][ T42] ? schedule+0x1a5/0x210 [ 2827.562703][ T42] schedule+0xdf/0x210 [ 2827.562799][ T42] schedule_preempt_disabled+0x15/0x30 [ 2827.562934][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 2827.563127][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 2827.563300][ T42] ? __pfx_console_unlock+0x10/0x10 [ 2827.563452][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 2827.563594][ T42] ? lock_acquire+0x1c1/0x220 [ 2827.563728][ T42] ? register_pernet_subsys+0x1a/0x50 [ 2827.563883][ T42] down_write+0x1c9/0x200 [ 2827.563998][ T42] ? __pfx_down_write+0x10/0x10 [ 2827.564131][ T42] ? __pfx__printk+0x10/0x10 [ 2827.564270][ T42] ? __pfx___lock_release+0x10/0x10 [ 2827.564407][ T42] register_pernet_subsys+0x1a/0x50 [ 2827.564538][ T42] tcf_register_action+0xa3/0x600 [ 2827.564673][ T42] ? __pfx_gact_init_module+0x10/0x10 [act_gact] [ 2827.564857][ T42] do_one_initcall+0xc8/0x3f0 [ 2827.565010][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 2827.565154][ T42] ? __create_object+0x5e/0xb0 [ 2827.565311][ T42] ? kasan_unpoison+0x27/0x60 [ 2827.565457][ T42] do_init_module+0x233/0x740 [ 2827.565601][ T42] load_module+0x16b5/0x2350 [ 2827.565751][ T42] ? __pfx_load_module+0x10/0x10 [ 2827.565895][ T42] ? kernel_read_file+0x3d2/0x520 [ 2827.566043][ T42] ? kernel_read_file+0x300/0x520 [ 2827.566182][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 2827.566326][ T42] ? init_module_from_file+0xd2/0x130 [ 2827.566461][ T42] init_module_from_file+0xd2/0x130 [ 2827.566597][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 2827.566765][ T42] ? __lock_release+0x103/0x460 [ 2827.566914][ T42] ? idempotent_init_module+0x32a/0x620 [ 2827.567071][ T42] ? idempotent_init_module+0x32a/0x620 [ 2827.567207][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 2827.567351][ T42] idempotent_init_module+0x342/0x620 [ 2827.567489][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 2827.567675][ T42] __x64_sys_finit_module+0xbe/0x130 [ 2827.567814][ T42] do_syscall_64+0xc6/0x1e0 [ 2827.567972][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2827.568165][ T42] RIP: 0033:0x7f1db4f62e5d [ 2827.568304][ T42] RSP: 002b:00007ffe8261b448 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 2827.568510][ T42] RAX: ffffffffffffffda RBX: 0000555e1791ec80 RCX: 00007f1db4f62e5d [ 2827.568715][ T42] RDX: 0000000000000000 RSI: 0000555dd93dca2a RDI: 0000000000000000 [ 2827.568938][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007ffe8261b580 [ 2827.569149][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555dd93dca2a [ 2827.569361][ T42] R13: 0000555e1791eac0 R14: 0000555e1791f0b0 R15: 0000555e1791ecf1 [ 2827.569591][ T42] [ 2827.569693][ T42] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 2827.569936][ T42] [ 2827.569936][ T42] Showing all locks held in the system: [ 2827.570136][ T42] 1 lock held by khungtaskd/42: [ 2827.570281][ T42] #0: ffffffff9a7591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 2827.570528][ T42] 2 locks held by kworker/u18:1/62: [ 2827.570674][ T42] #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 2827.570979][ T42] #1: ffffc9000043fda0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 2827.571284][ T42] 3 locks held by kworker/u16:1/74: [ 2827.571414][ T42] #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 2827.571684][ T42] #1: ffffc900004ffda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 2827.571924][ T42] #2: ffffffff9af6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60 [ 2827.572190][ T42] 1 lock held by modprobe/7619: [ 2827.572320][ T42] #0: ffffffff9af6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 2827.572603][ T42] [ 2827.572669][ T42] ============================================= [ 2827.572669][ T42] [ 2829.871985][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2829.872437][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2829.872437][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2829.872437][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2829.872437][ T74] fib6_nh_init+0xa22/0x1580 [ 2829.872437][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2829.872437][ T74] ip6_route_add+0x1c/0x140 [ 2829.872437][ T74] inet6_rtm_newroute+0x104/0x110 [ 2829.872437][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2829.872437][ T74] netlink_rcv_skb+0x130/0x360 [ 2829.872437][ T74] netlink_unicast+0x449/0x710 [ 2829.872437][ T74] netlink_sendmsg+0x723/0xbe0 [ 2829.872437][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2829.872437][ T74] ___sys_sendmsg+0xee/0x170 [ 2829.872437][ T74] __sys_sendmsg+0xcd/0x170 [ 2829.872437][ T74] do_syscall_64+0xc6/0x1e0 [ 2829.872437][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2829.872437][ T74] [ 2829.874358][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2829.874358][ T74] netdev_get_by_index+0x5e/0x80 [ 2829.874358][ T74] fib6_nh_init+0x3d8/0x1580 [ 2829.874358][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2829.874358][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2829.874358][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2829.874358][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2829.874358][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2829.874358][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2829.874358][ T74] addrconf_dad_begin+0x310/0x670 [ 2829.874358][ T74] addrconf_dad_work+0x10b/0xab0 [ 2829.874358][ T74] process_one_work+0x84d/0x18a0 [ 2829.874358][ T74] worker_thread+0x587/0xd30 [ 2829.874358][ T74] kthread+0x28a/0x350 [ 2829.874358][ T74] ret_from_fork+0x31/0x70 [ 2829.874358][ T74] ret_from_fork_asm+0x1a/0x30 [ 2829.874358][ T74] [ 2829.876299][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2829.876299][ T74] netdev_get_by_index+0x5e/0x80 [ 2829.876299][ T74] fib6_nh_init+0x3d8/0x1580 [ 2829.876299][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2829.876299][ T74] ip6_route_add+0x1c/0x140 [ 2829.876299][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2829.876299][ T74] inet6_addr_add+0x4f8/0xa40 [ 2829.876299][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2829.876299][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2829.876299][ T74] netlink_rcv_skb+0x130/0x360 [ 2829.876299][ T74] netlink_unicast+0x449/0x710 [ 2829.876299][ T74] netlink_sendmsg+0x723/0xbe0 [ 2829.876299][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2829.876299][ T74] ___sys_sendmsg+0xee/0x170 [ 2829.876299][ T74] __sys_sendmsg+0xcd/0x170 [ 2829.876299][ T74] do_syscall_64+0xc6/0x1e0 [ 2829.876299][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2829.876299][ T74] [ 2829.878315][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2829.878315][ T74] netdev_get_by_index+0x5e/0x80 [ 2829.878315][ T74] fib6_nh_init+0x3d8/0x1580 [ 2829.878315][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2829.878315][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2829.878315][ T74] ipv6_add_addr+0x411/0x2000 [ 2829.878315][ T74] inet6_addr_add+0x30e/0xa40 [ 2829.878315][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2829.878315][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2829.878315][ T74] netlink_rcv_skb+0x130/0x360 [ 2829.878315][ T74] netlink_unicast+0x449/0x710 [ 2829.878315][ T74] netlink_sendmsg+0x723/0xbe0 [ 2829.878315][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2829.878315][ T74] ___sys_sendmsg+0xee/0x170 [ 2829.878315][ T74] __sys_sendmsg+0xcd/0x170 [ 2829.878315][ T74] do_syscall_64+0xc6/0x1e0 [ 2829.878315][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2829.878315][ T74] [ 2829.880334][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2829.880334][ T74] netdev_get_by_index+0x5e/0x80 [ 2829.880334][ T74] fib6_nh_init+0x3d8/0x1580 [ 2829.880334][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2829.880334][ T74] ip6_route_add+0x1c/0x140 [ 2829.880334][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2829.880334][ T74] addrconf_add_dev+0xe2/0x170 [ 2829.880334][ T74] inet6_addr_add+0x12f/0xa40 [ 2829.880334][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2829.880334][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2829.880334][ T74] netlink_rcv_skb+0x130/0x360 [ 2829.880334][ T74] netlink_unicast+0x449/0x710 [ 2829.880334][ T74] netlink_sendmsg+0x723/0xbe0 [ 2829.880334][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2829.880334][ T74] ___sys_sendmsg+0xee/0x170 [ 2829.880334][ T74] __sys_sendmsg+0xcd/0x170 [ 2829.880334][ T74] do_syscall_64+0xc6/0x1e0 [ 2829.880334][ T74] [ 2829.882431][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2829.882431][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2829.882431][ T74] ipv6_find_idev+0x102/0x170 [ 2829.882431][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2829.882431][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2829.882431][ T74] netlink_rcv_skb+0x130/0x360 [ 2829.882431][ T74] netlink_unicast+0x449/0x710 [ 2829.882431][ T74] netlink_sendmsg+0x723/0xbe0 [ 2829.882431][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2829.882431][ T74] ___sys_sendmsg+0xee/0x170 [ 2829.882431][ T74] __sys_sendmsg+0xcd/0x170 [ 2829.882431][ T74] do_syscall_64+0xc6/0x1e0 [ 2829.882431][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2829.882431][ T74] [ 2829.883992][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2829.883992][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2829.883992][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2829.883992][ T74] ipv6_find_idev+0x102/0x170 [ 2829.883992][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2829.883992][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2829.883992][ T74] netlink_rcv_skb+0x130/0x360 [ 2829.883992][ T74] netlink_unicast+0x449/0x710 [ 2829.883992][ T74] netlink_sendmsg+0x723/0xbe0 [ 2829.883992][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2829.883992][ T74] ___sys_sendmsg+0xee/0x170 [ 2829.883992][ T74] __sys_sendmsg+0xcd/0x170 [ 2829.883992][ T74] do_syscall_64+0xc6/0x1e0 [ 2829.883992][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2829.883992][ T74] [ 2829.885729][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2829.886036][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2829.886036][ T74] dst_init+0x84/0x4a0 [ 2829.886036][ T74] dst_alloc+0x97/0x150 [ 2829.886036][ T74] ip6_dst_alloc+0x23/0x90 [ 2829.886036][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2829.886036][ T74] ip6_pol_route+0x56f/0x840 [ 2829.886036][ T74] fib6_rule_lookup+0x456/0x630 [ 2829.886036][ T74] ip6_route_input+0x59c/0xa50 [ 2829.886036][ T74] ipv6_rcv+0x397/0x810 [ 2829.886036][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2829.886036][ T74] process_backlog+0x101/0x620 [ 2829.886036][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2829.886036][ T74] net_rx_action+0x495/0xbe0 [ 2829.886036][ T74] __do_softirq+0x1b5/0x7f6 [ 2829.886036][ T74] [ 2829.887692][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2829.887692][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2829.887692][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2829.887692][ T74] fib6_nh_init+0xa22/0x1580 [ 2829.887692][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2829.887692][ T74] ip6_route_add+0x1c/0x140 [ 2829.887692][ T74] inet6_rtm_newroute+0x104/0x110 [ 2829.887692][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2829.887692][ T74] netlink_rcv_skb+0x130/0x360 [ 2829.887692][ T74] netlink_unicast+0x449/0x710 [ 2829.887692][ T74] netlink_sendmsg+0x723/0xbe0 [ 2829.887692][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2829.887692][ T74] ___sys_sendmsg+0xee/0x170 [ 2829.887692][ T74] __sys_sendmsg+0xcd/0x170 [ 2829.887692][ T74] do_syscall_64+0xc6/0x1e0 [ 2829.887692][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2829.887692][ T74] [ 2829.889609][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2829.889609][ T74] netdev_get_by_index+0x5e/0x80 [ 2829.889609][ T74] fib6_nh_init+0x3d8/0x1580 [ 2829.889609][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2829.889609][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2829.889609][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2829.889609][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2829.889609][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2829.889609][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2829.889609][ T74] addrconf_dad_begin+0x310/0x670 [ 2829.889609][ T74] addrconf_dad_work+0x10b/0xab0 [ 2829.889609][ T74] process_one_work+0x84d/0x18a0 [ 2829.889609][ T74] worker_thread+0x587/0xd30 [ 2829.889609][ T74] kthread+0x28a/0x350 [ 2829.889609][ T74] ret_from_fork+0x31/0x70 [ 2829.889609][ T74] ret_from_fork_asm+0x1a/0x30 [ 2829.889609][ T74] [ 2829.891552][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2829.891552][ T74] netdev_get_by_index+0x5e/0x80 [ 2829.891552][ T74] fib6_nh_init+0x3d8/0x1580 [ 2829.891552][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2829.891552][ T74] ip6_route_add+0x1c/0x140 [ 2829.891552][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2829.891552][ T74] inet6_addr_add+0x4f8/0xa40 [ 2829.891552][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2829.891552][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2829.891552][ T74] netlink_rcv_skb+0x130/0x360 [ 2829.891552][ T74] netlink_unicast+0x449/0x710 [ 2829.891552][ T74] netlink_sendmsg+0x723/0xbe0 [ 2829.891552][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2829.891552][ T74] ___sys_sendmsg+0xee/0x170 [ 2829.891552][ T74] __sys_sendmsg+0xcd/0x170 [ 2829.891552][ T74] do_syscall_64+0xc6/0x1e0 [ 2829.891552][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2829.891552][ T74] [ 2829.893569][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2829.893569][ T74] netdev_get_by_index+0x5e/0x80 [ 2829.893569][ T74] fib6_nh_init+0x3d8/0x1580 [ 2829.893569][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2829.893569][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2829.893569][ T74] ipv6_add_addr+0x411/0x2000 [ 2829.893569][ T74] inet6_addr_add+0x30e/0xa40 [ 2829.893569][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2829.893569][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2829.893569][ T74] netlink_rcv_skb+0x130/0x360 [ 2829.893569][ T74] netlink_unicast+0x449/0x710 [ 2829.893569][ T74] netlink_sendmsg+0x723/0xbe0 [ 2829.893569][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2829.893569][ T74] ___sys_sendmsg+0xee/0x170 [ 2829.893569][ T74] __sys_sendmsg+0xcd/0x170 [ 2829.893569][ T74] do_syscall_64+0xc6/0x1e0 [ 2829.893569][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2829.893569][ T74] [ 2829.895580][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2829.895580][ T74] netdev_get_by_index+0x5e/0x80 [ 2829.895580][ T74] fib6_nh_init+0x3d8/0x1580 [ 2829.895580][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2829.895580][ T74] ip6_route_add+0x1c/0x140 [ 2829.895580][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2829.895580][ T74] addrconf_add_dev+0xe2/0x170 [ 2829.895580][ T74] inet6_addr_add+0x12f/0xa40 [ 2829.895580][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2829.895580][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2829.895580][ T74] netlink_rcv_skb+0x130/0x360 [ 2829.895580][ T74] netlink_unicast+0x449/0x710 [ 2829.895580][ T74] netlink_sendmsg+0x723/0xbe0 [ 2829.895580][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2829.895580][ T74] ___sys_sendmsg+0xee/0x170 [ 2829.895580][ T74] __sys_sendmsg+0xcd/0x170 [ 2829.895580][ T74] do_syscall_64+0xc6/0x1e0 [ 2829.895580][ T74] [ 2829.897556][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2829.897556][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2829.897556][ T74] ipv6_find_idev+0x102/0x170 [ 2829.897556][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2829.897556][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2829.897556][ T74] netlink_rcv_skb+0x130/0x360 [ 2829.897556][ T74] netlink_unicast+0x449/0x710 [ 2829.897556][ T74] netlink_sendmsg+0x723/0xbe0 [ 2829.897556][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2829.897556][ T74] ___sys_sendmsg+0xee/0x170 [ 2829.897556][ T74] __sys_sendmsg+0xcd/0x170 [ 2829.897556][ T74] do_syscall_64+0xc6/0x1e0 [ 2829.897556][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2829.897556][ T74] [ 2829.899285][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2829.899285][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2829.899285][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2829.899285][ T74] ipv6_find_idev+0x102/0x170 [ 2829.899285][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2829.899285][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2829.899285][ T74] netlink_rcv_skb+0x130/0x360 [ 2829.899285][ T74] netlink_unicast+0x449/0x710 [ 2829.899285][ T74] netlink_sendmsg+0x723/0xbe0 [ 2829.899285][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2829.899285][ T74] ___sys_sendmsg+0xee/0x170 [ 2829.899285][ T74] __sys_sendmsg+0xcd/0x170 [ 2829.899285][ T74] do_syscall_64+0xc6/0x1e0 [ 2829.899285][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2829.899285][ T74] [ 2829.901239][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2829.901559][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2829.901559][ T74] netdev_get_by_index+0x5e/0x80 [ 2829.901559][ T74] fib6_nh_init+0x3d8/0x1580 [ 2829.901559][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2829.901559][ T74] ip6_route_add+0x1c/0x140 [ 2829.901559][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2829.901559][ T74] inet6_addr_add+0x4f8/0xa40 [ 2829.901559][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2829.901559][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2829.901559][ T74] netlink_rcv_skb+0x130/0x360 [ 2829.901559][ T74] netlink_unicast+0x449/0x710 [ 2829.901559][ T74] netlink_sendmsg+0x723/0xbe0 [ 2829.901559][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2829.901559][ T74] ___sys_sendmsg+0xee/0x170 [ 2829.901559][ T74] __sys_sendmsg+0xcd/0x170 [ 2829.901559][ T74] do_syscall_64+0xc6/0x1e0 [ 2829.901559][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2829.901559][ T74] [ 2829.903751][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2829.903751][ T74] netdev_get_by_index+0x5e/0x80 [ 2829.903751][ T74] fib6_nh_init+0x3d8/0x1580 [ 2829.903751][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2829.903751][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2829.903751][ T74] ipv6_add_addr+0x411/0x2000 [ 2829.903751][ T74] inet6_addr_add+0x30e/0xa40 [ 2829.903751][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2829.903751][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2829.903751][ T74] netlink_rcv_skb+0x130/0x360 [ 2829.903751][ T74] netlink_unicast+0x449/0x710 [ 2829.903751][ T74] netlink_sendmsg+0x723/0xbe0 [ 2829.903751][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2829.903751][ T74] ___sys_sendmsg+0xee/0x170 [ 2829.903751][ T74] __sys_sendmsg+0xcd/0x170 [ 2829.903751][ T74] do_syscall_64+0xc6/0x1e0 [ 2829.903751][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2829.903751][ T74] [ 2829.906023][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2829.906023][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2829.906023][ T74] ipv6_find_idev+0x102/0x170 [ 2829.906023][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2829.906023][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2829.906023][ T74] netlink_rcv_skb+0x130/0x360 [ 2829.906023][ T74] netlink_unicast+0x449/0x710 [ 2829.906023][ T74] netlink_sendmsg+0x723/0xbe0 [ 2829.906023][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2829.906023][ T74] ___sys_sendmsg+0xee/0x170 [ 2829.906023][ T74] __sys_sendmsg+0xcd/0x170 [ 2829.906023][ T74] do_syscall_64+0xc6/0x1e0 [ 2829.906023][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2829.906023][ T74] [ 2829.907753][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2829.907753][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2829.907753][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2829.907753][ T74] ipv6_find_idev+0x102/0x170 [ 2829.907753][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2829.907753][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2829.907753][ T74] netlink_rcv_skb+0x130/0x360 [ 2829.907753][ T74] netlink_unicast+0x449/0x710 [ 2829.907753][ T74] netlink_sendmsg+0x723/0xbe0 [ 2829.907753][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2829.907753][ T74] ___sys_sendmsg+0xee/0x170 [ 2829.907753][ T74] __sys_sendmsg+0xcd/0x170 [ 2829.907753][ T74] do_syscall_64+0xc6/0x1e0 [ 2829.907753][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2829.907753][ T74] [ 2840.152005][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2840.152404][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2840.152404][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2840.152404][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2840.152404][ T74] fib6_nh_init+0xa22/0x1580 [ 2840.152404][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2840.152404][ T74] ip6_route_add+0x1c/0x140 [ 2840.152404][ T74] inet6_rtm_newroute+0x104/0x110 [ 2840.152404][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.152404][ T74] netlink_rcv_skb+0x130/0x360 [ 2840.152404][ T74] netlink_unicast+0x449/0x710 [ 2840.152404][ T74] netlink_sendmsg+0x723/0xbe0 [ 2840.152404][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2840.152404][ T74] ___sys_sendmsg+0xee/0x170 [ 2840.152404][ T74] __sys_sendmsg+0xcd/0x170 [ 2840.152404][ T74] do_syscall_64+0xc6/0x1e0 [ 2840.152404][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2840.152404][ T74] [ 2840.154341][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2840.154341][ T74] netdev_get_by_index+0x5e/0x80 [ 2840.154341][ T74] fib6_nh_init+0x3d8/0x1580 [ 2840.154341][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2840.154341][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2840.154341][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2840.154341][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2840.154341][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2840.154341][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2840.154341][ T74] addrconf_dad_begin+0x310/0x670 [ 2840.154341][ T74] addrconf_dad_work+0x10b/0xab0 [ 2840.154341][ T74] process_one_work+0x84d/0x18a0 [ 2840.154341][ T74] worker_thread+0x587/0xd30 [ 2840.154341][ T74] kthread+0x28a/0x350 [ 2840.154341][ T74] ret_from_fork+0x31/0x70 [ 2840.154341][ T74] ret_from_fork_asm+0x1a/0x30 [ 2840.154341][ T74] [ 2840.156318][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2840.156318][ T74] netdev_get_by_index+0x5e/0x80 [ 2840.156318][ T74] fib6_nh_init+0x3d8/0x1580 [ 2840.156318][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2840.156318][ T74] ip6_route_add+0x1c/0x140 [ 2840.156318][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2840.156318][ T74] inet6_addr_add+0x4f8/0xa40 [ 2840.156318][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2840.156318][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.156318][ T74] netlink_rcv_skb+0x130/0x360 [ 2840.156318][ T74] netlink_unicast+0x449/0x710 [ 2840.156318][ T74] netlink_sendmsg+0x723/0xbe0 [ 2840.156318][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2840.156318][ T74] ___sys_sendmsg+0xee/0x170 [ 2840.156318][ T74] __sys_sendmsg+0xcd/0x170 [ 2840.156318][ T74] do_syscall_64+0xc6/0x1e0 [ 2840.156318][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2840.156318][ T74] [ 2840.158370][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2840.158370][ T74] netdev_get_by_index+0x5e/0x80 [ 2840.158370][ T74] fib6_nh_init+0x3d8/0x1580 [ 2840.158370][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2840.158370][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2840.158370][ T74] ipv6_add_addr+0x411/0x2000 [ 2840.158370][ T74] inet6_addr_add+0x30e/0xa40 [ 2840.158370][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2840.158370][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.158370][ T74] netlink_rcv_skb+0x130/0x360 [ 2840.158370][ T74] netlink_unicast+0x449/0x710 [ 2840.158370][ T74] netlink_sendmsg+0x723/0xbe0 [ 2840.158370][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2840.158370][ T74] ___sys_sendmsg+0xee/0x170 [ 2840.158370][ T74] __sys_sendmsg+0xcd/0x170 [ 2840.158370][ T74] do_syscall_64+0xc6/0x1e0 [ 2840.158370][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2840.158370][ T74] [ 2840.160418][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2840.160418][ T74] netdev_get_by_index+0x5e/0x80 [ 2840.160418][ T74] fib6_nh_init+0x3d8/0x1580 [ 2840.160418][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2840.160418][ T74] ip6_route_add+0x1c/0x140 [ 2840.160418][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2840.160418][ T74] addrconf_add_dev+0xe2/0x170 [ 2840.160418][ T74] inet6_addr_add+0x12f/0xa40 [ 2840.160418][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2840.160418][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.160418][ T74] netlink_rcv_skb+0x130/0x360 [ 2840.160418][ T74] netlink_unicast+0x449/0x710 [ 2840.160418][ T74] netlink_sendmsg+0x723/0xbe0 [ 2840.160418][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2840.160418][ T74] ___sys_sendmsg+0xee/0x170 [ 2840.160418][ T74] __sys_sendmsg+0xcd/0x170 [ 2840.160418][ T74] do_syscall_64+0xc6/0x1e0 [ 2840.160418][ T74] [ 2840.162408][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2840.162408][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2840.162408][ T74] ipv6_find_idev+0x102/0x170 [ 2840.162408][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2840.162408][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.162408][ T74] netlink_rcv_skb+0x130/0x360 [ 2840.162408][ T74] netlink_unicast+0x449/0x710 [ 2840.162408][ T74] netlink_sendmsg+0x723/0xbe0 [ 2840.162408][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2840.162408][ T74] ___sys_sendmsg+0xee/0x170 [ 2840.162408][ T74] __sys_sendmsg+0xcd/0x170 [ 2840.162408][ T74] do_syscall_64+0xc6/0x1e0 [ 2840.162408][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2840.162408][ T74] [ 2840.163969][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2840.163969][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2840.163969][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2840.163969][ T74] ipv6_find_idev+0x102/0x170 [ 2840.163969][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2840.163969][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.163969][ T74] netlink_rcv_skb+0x130/0x360 [ 2840.163969][ T74] netlink_unicast+0x449/0x710 [ 2840.163969][ T74] netlink_sendmsg+0x723/0xbe0 [ 2840.163969][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2840.163969][ T74] ___sys_sendmsg+0xee/0x170 [ 2840.163969][ T74] __sys_sendmsg+0xcd/0x170 [ 2840.163969][ T74] do_syscall_64+0xc6/0x1e0 [ 2840.163969][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2840.163969][ T74] [ 2840.165723][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2840.166013][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2840.166013][ T74] dst_init+0x84/0x4a0 [ 2840.166013][ T74] dst_alloc+0x97/0x150 [ 2840.166013][ T74] ip6_dst_alloc+0x23/0x90 [ 2840.166013][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2840.166013][ T74] ip6_pol_route+0x56f/0x840 [ 2840.166013][ T74] fib6_rule_lookup+0x456/0x630 [ 2840.166013][ T74] ip6_route_input+0x59c/0xa50 [ 2840.166013][ T74] ipv6_rcv+0x397/0x810 [ 2840.166013][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2840.166013][ T74] process_backlog+0x101/0x620 [ 2840.166013][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2840.166013][ T74] net_rx_action+0x495/0xbe0 [ 2840.166013][ T74] __do_softirq+0x1b5/0x7f6 [ 2840.166013][ T74] [ 2840.167688][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2840.167688][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2840.167688][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2840.167688][ T74] fib6_nh_init+0xa22/0x1580 [ 2840.167688][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2840.167688][ T74] ip6_route_add+0x1c/0x140 [ 2840.167688][ T74] inet6_rtm_newroute+0x104/0x110 [ 2840.167688][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.167688][ T74] netlink_rcv_skb+0x130/0x360 [ 2840.167688][ T74] netlink_unicast+0x449/0x710 [ 2840.167688][ T74] netlink_sendmsg+0x723/0xbe0 [ 2840.167688][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2840.167688][ T74] ___sys_sendmsg+0xee/0x170 [ 2840.167688][ T74] __sys_sendmsg+0xcd/0x170 [ 2840.167688][ T74] do_syscall_64+0xc6/0x1e0 [ 2840.167688][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2840.167688][ T74] [ 2840.169615][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2840.169615][ T74] netdev_get_by_index+0x5e/0x80 [ 2840.169615][ T74] fib6_nh_init+0x3d8/0x1580 [ 2840.169615][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2840.169615][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2840.169615][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2840.169615][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2840.169615][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2840.169615][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2840.169615][ T74] addrconf_dad_begin+0x310/0x670 [ 2840.169615][ T74] addrconf_dad_work+0x10b/0xab0 [ 2840.169615][ T74] process_one_work+0x84d/0x18a0 [ 2840.169615][ T74] worker_thread+0x587/0xd30 [ 2840.169615][ T74] kthread+0x28a/0x350 [ 2840.169615][ T74] ret_from_fork+0x31/0x70 [ 2840.169615][ T74] ret_from_fork_asm+0x1a/0x30 [ 2840.169615][ T74] [ 2840.171549][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2840.171549][ T74] netdev_get_by_index+0x5e/0x80 [ 2840.171549][ T74] fib6_nh_init+0x3d8/0x1580 [ 2840.171549][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2840.171549][ T74] ip6_route_add+0x1c/0x140 [ 2840.171549][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2840.171549][ T74] inet6_addr_add+0x4f8/0xa40 [ 2840.171549][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2840.171549][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.171549][ T74] netlink_rcv_skb+0x130/0x360 [ 2840.171549][ T74] netlink_unicast+0x449/0x710 [ 2840.171549][ T74] netlink_sendmsg+0x723/0xbe0 [ 2840.171549][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2840.171549][ T74] ___sys_sendmsg+0xee/0x170 [ 2840.171549][ T74] __sys_sendmsg+0xcd/0x170 [ 2840.171549][ T74] do_syscall_64+0xc6/0x1e0 [ 2840.171549][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2840.171549][ T74] [ 2840.173573][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2840.173573][ T74] netdev_get_by_index+0x5e/0x80 [ 2840.173573][ T74] fib6_nh_init+0x3d8/0x1580 [ 2840.173573][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2840.173573][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2840.173573][ T74] ipv6_add_addr+0x411/0x2000 [ 2840.173573][ T74] inet6_addr_add+0x30e/0xa40 [ 2840.173573][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2840.173573][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.173573][ T74] netlink_rcv_skb+0x130/0x360 [ 2840.173573][ T74] netlink_unicast+0x449/0x710 [ 2840.173573][ T74] netlink_sendmsg+0x723/0xbe0 [ 2840.173573][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2840.173573][ T74] ___sys_sendmsg+0xee/0x170 [ 2840.173573][ T74] __sys_sendmsg+0xcd/0x170 [ 2840.173573][ T74] do_syscall_64+0xc6/0x1e0 [ 2840.173573][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2840.173573][ T74] [ 2840.175610][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2840.175610][ T74] netdev_get_by_index+0x5e/0x80 [ 2840.175610][ T74] fib6_nh_init+0x3d8/0x1580 [ 2840.175610][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2840.175610][ T74] ip6_route_add+0x1c/0x140 [ 2840.175610][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2840.175610][ T74] addrconf_add_dev+0xe2/0x170 [ 2840.175610][ T74] inet6_addr_add+0x12f/0xa40 [ 2840.175610][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2840.175610][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.175610][ T74] netlink_rcv_skb+0x130/0x360 [ 2840.175610][ T74] netlink_unicast+0x449/0x710 [ 2840.175610][ T74] netlink_sendmsg+0x723/0xbe0 [ 2840.175610][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2840.175610][ T74] ___sys_sendmsg+0xee/0x170 [ 2840.175610][ T74] __sys_sendmsg+0xcd/0x170 [ 2840.175610][ T74] do_syscall_64+0xc6/0x1e0 [ 2840.175610][ T74] [ 2840.177703][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2840.177703][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2840.177703][ T74] ipv6_find_idev+0x102/0x170 [ 2840.177703][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2840.177703][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.177703][ T74] netlink_rcv_skb+0x130/0x360 [ 2840.177703][ T74] netlink_unicast+0x449/0x710 [ 2840.177703][ T74] netlink_sendmsg+0x723/0xbe0 [ 2840.177703][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2840.177703][ T74] ___sys_sendmsg+0xee/0x170 [ 2840.177703][ T74] __sys_sendmsg+0xcd/0x170 [ 2840.177703][ T74] do_syscall_64+0xc6/0x1e0 [ 2840.177703][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2840.177703][ T74] [ 2840.179456][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2840.179456][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2840.179456][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2840.179456][ T74] ipv6_find_idev+0x102/0x170 [ 2840.179456][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2840.179456][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.179456][ T74] netlink_rcv_skb+0x130/0x360 [ 2840.179456][ T74] netlink_unicast+0x449/0x710 [ 2840.179456][ T74] netlink_sendmsg+0x723/0xbe0 [ 2840.179456][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2840.179456][ T74] ___sys_sendmsg+0xee/0x170 [ 2840.179456][ T74] __sys_sendmsg+0xcd/0x170 [ 2840.179456][ T74] do_syscall_64+0xc6/0x1e0 [ 2840.179456][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2840.179456][ T74] [ 2840.181418][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2840.181728][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2840.181728][ T74] netdev_get_by_index+0x5e/0x80 [ 2840.181728][ T74] fib6_nh_init+0x3d8/0x1580 [ 2840.181728][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2840.181728][ T74] ip6_route_add+0x1c/0x140 [ 2840.181728][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2840.181728][ T74] inet6_addr_add+0x4f8/0xa40 [ 2840.181728][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2840.181728][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.181728][ T74] netlink_rcv_skb+0x130/0x360 [ 2840.181728][ T74] netlink_unicast+0x449/0x710 [ 2840.181728][ T74] netlink_sendmsg+0x723/0xbe0 [ 2840.181728][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2840.181728][ T74] ___sys_sendmsg+0xee/0x170 [ 2840.181728][ T74] __sys_sendmsg+0xcd/0x170 [ 2840.181728][ T74] do_syscall_64+0xc6/0x1e0 [ 2840.181728][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2840.181728][ T74] [ 2840.184455][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2840.184455][ T74] netdev_get_by_index+0x5e/0x80 [ 2840.184455][ T74] fib6_nh_init+0x3d8/0x1580 [ 2840.184455][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2840.184455][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2840.184455][ T74] ipv6_add_addr+0x411/0x2000 [ 2840.184455][ T74] inet6_addr_add+0x30e/0xa40 [ 2840.184455][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2840.184455][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.184455][ T74] netlink_rcv_skb+0x130/0x360 [ 2840.184455][ T74] netlink_unicast+0x449/0x710 [ 2840.184455][ T74] netlink_sendmsg+0x723/0xbe0 [ 2840.184455][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2840.184455][ T74] ___sys_sendmsg+0xee/0x170 [ 2840.184455][ T74] __sys_sendmsg+0xcd/0x170 [ 2840.184455][ T74] do_syscall_64+0xc6/0x1e0 [ 2840.184455][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2840.184455][ T74] [ 2840.187135][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2840.187135][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2840.187135][ T74] ipv6_find_idev+0x102/0x170 [ 2840.187135][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2840.187135][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.187135][ T74] netlink_rcv_skb+0x130/0x360 [ 2840.187135][ T74] netlink_unicast+0x449/0x710 [ 2840.187135][ T74] netlink_sendmsg+0x723/0xbe0 [ 2840.187135][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2840.187135][ T74] ___sys_sendmsg+0xee/0x170 [ 2840.187135][ T74] __sys_sendmsg+0xcd/0x170 [ 2840.187135][ T74] do_syscall_64+0xc6/0x1e0 [ 2840.187135][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2840.187135][ T74] [ 2840.188879][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2840.188879][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2840.188879][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2840.188879][ T74] ipv6_find_idev+0x102/0x170 [ 2840.188879][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2840.188879][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.188879][ T74] netlink_rcv_skb+0x130/0x360 [ 2840.188879][ T74] netlink_unicast+0x449/0x710 [ 2840.188879][ T74] netlink_sendmsg+0x723/0xbe0 [ 2840.188879][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2840.188879][ T74] ___sys_sendmsg+0xee/0x170 [ 2840.188879][ T74] __sys_sendmsg+0xcd/0x170 [ 2840.188879][ T74] do_syscall_64+0xc6/0x1e0 [ 2840.188879][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2840.188879][ T74] [ 2850.352021][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2850.352519][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2850.352519][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2850.352519][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2850.352519][ T74] fib6_nh_init+0xa22/0x1580 [ 2850.352519][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2850.352519][ T74] ip6_route_add+0x1c/0x140 [ 2850.352519][ T74] inet6_rtm_newroute+0x104/0x110 [ 2850.352519][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2850.352519][ T74] netlink_rcv_skb+0x130/0x360 [ 2850.352519][ T74] netlink_unicast+0x449/0x710 [ 2850.352519][ T74] netlink_sendmsg+0x723/0xbe0 [ 2850.352519][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2850.352519][ T74] ___sys_sendmsg+0xee/0x170 [ 2850.352519][ T74] __sys_sendmsg+0xcd/0x170 [ 2850.352519][ T74] do_syscall_64+0xc6/0x1e0 [ 2850.352519][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2850.352519][ T74] [ 2850.354419][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2850.354419][ T74] netdev_get_by_index+0x5e/0x80 [ 2850.354419][ T74] fib6_nh_init+0x3d8/0x1580 [ 2850.354419][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2850.354419][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2850.354419][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2850.354419][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2850.354419][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2850.354419][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2850.354419][ T74] addrconf_dad_begin+0x310/0x670 [ 2850.354419][ T74] addrconf_dad_work+0x10b/0xab0 [ 2850.354419][ T74] process_one_work+0x84d/0x18a0 [ 2850.354419][ T74] worker_thread+0x587/0xd30 [ 2850.354419][ T74] kthread+0x28a/0x350 [ 2850.354419][ T74] ret_from_fork+0x31/0x70 [ 2850.354419][ T74] ret_from_fork_asm+0x1a/0x30 [ 2850.354419][ T74] [ 2850.356332][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2850.356332][ T74] netdev_get_by_index+0x5e/0x80 [ 2850.356332][ T74] fib6_nh_init+0x3d8/0x1580 [ 2850.356332][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2850.356332][ T74] ip6_route_add+0x1c/0x140 [ 2850.356332][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2850.356332][ T74] inet6_addr_add+0x4f8/0xa40 [ 2850.356332][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2850.356332][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2850.356332][ T74] netlink_rcv_skb+0x130/0x360 [ 2850.356332][ T74] netlink_unicast+0x449/0x710 [ 2850.356332][ T74] netlink_sendmsg+0x723/0xbe0 [ 2850.356332][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2850.356332][ T74] ___sys_sendmsg+0xee/0x170 [ 2850.356332][ T74] __sys_sendmsg+0xcd/0x170 [ 2850.356332][ T74] do_syscall_64+0xc6/0x1e0 [ 2850.356332][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2850.356332][ T74] [ 2850.358313][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2850.358313][ T74] netdev_get_by_index+0x5e/0x80 [ 2850.358313][ T74] fib6_nh_init+0x3d8/0x1580 [ 2850.358313][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2850.358313][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2850.358313][ T74] ipv6_add_addr+0x411/0x2000 [ 2850.358313][ T74] inet6_addr_add+0x30e/0xa40 [ 2850.358313][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2850.358313][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2850.358313][ T74] netlink_rcv_skb+0x130/0x360 [ 2850.358313][ T74] netlink_unicast+0x449/0x710 [ 2850.358313][ T74] netlink_sendmsg+0x723/0xbe0 [ 2850.358313][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2850.358313][ T74] ___sys_sendmsg+0xee/0x170 [ 2850.358313][ T74] __sys_sendmsg+0xcd/0x170 [ 2850.358313][ T74] do_syscall_64+0xc6/0x1e0 [ 2850.358313][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2850.358313][ T74] [ 2850.360301][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2850.360301][ T74] netdev_get_by_index+0x5e/0x80 [ 2850.360301][ T74] fib6_nh_init+0x3d8/0x1580 [ 2850.360301][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2850.360301][ T74] ip6_route_add+0x1c/0x140 [ 2850.360301][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2850.360301][ T74] addrconf_add_dev+0xe2/0x170 [ 2850.360301][ T74] inet6_addr_add+0x12f/0xa40 [ 2850.360301][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2850.360301][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2850.360301][ T74] netlink_rcv_skb+0x130/0x360 [ 2850.360301][ T74] netlink_unicast+0x449/0x710 [ 2850.360301][ T74] netlink_sendmsg+0x723/0xbe0 [ 2850.360301][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2850.360301][ T74] ___sys_sendmsg+0xee/0x170 [ 2850.360301][ T74] __sys_sendmsg+0xcd/0x170 [ 2850.360301][ T74] do_syscall_64+0xc6/0x1e0 [ 2850.360301][ T74] [ 2850.362651][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2850.362651][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2850.362651][ T74] ipv6_find_idev+0x102/0x170 [ 2850.362651][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2850.362651][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2850.362651][ T74] netlink_rcv_skb+0x130/0x360 [ 2850.362651][ T74] netlink_unicast+0x449/0x710 [ 2850.362651][ T74] netlink_sendmsg+0x723/0xbe0 [ 2850.362651][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2850.362651][ T74] ___sys_sendmsg+0xee/0x170 [ 2850.362651][ T74] __sys_sendmsg+0xcd/0x170 [ 2850.362651][ T74] do_syscall_64+0xc6/0x1e0 [ 2850.362651][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2850.362651][ T74] [ 2850.364185][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2850.364185][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2850.364185][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2850.364185][ T74] ipv6_find_idev+0x102/0x170 [ 2850.364185][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2850.364185][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2850.364185][ T74] netlink_rcv_skb+0x130/0x360 [ 2850.364185][ T74] netlink_unicast+0x449/0x710 [ 2850.364185][ T74] netlink_sendmsg+0x723/0xbe0 [ 2850.364185][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2850.364185][ T74] ___sys_sendmsg+0xee/0x170 [ 2850.364185][ T74] __sys_sendmsg+0xcd/0x170 [ 2850.364185][ T74] do_syscall_64+0xc6/0x1e0 [ 2850.364185][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2850.364185][ T74] [ 2850.365896][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2850.366176][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2850.366176][ T74] dst_init+0x84/0x4a0 [ 2850.366176][ T74] dst_alloc+0x97/0x150 [ 2850.366176][ T74] ip6_dst_alloc+0x23/0x90 [ 2850.366176][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2850.366176][ T74] ip6_pol_route+0x56f/0x840 [ 2850.366176][ T74] fib6_rule_lookup+0x456/0x630 [ 2850.366176][ T74] ip6_route_input+0x59c/0xa50 [ 2850.366176][ T74] ipv6_rcv+0x397/0x810 [ 2850.366176][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2850.366176][ T74] process_backlog+0x101/0x620 [ 2850.366176][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2850.366176][ T74] net_rx_action+0x495/0xbe0 [ 2850.366176][ T74] __do_softirq+0x1b5/0x7f6 [ 2850.366176][ T74] [ 2850.367966][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2850.367966][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2850.367966][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2850.367966][ T74] fib6_nh_init+0xa22/0x1580 [ 2850.367966][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2850.367966][ T74] ip6_route_add+0x1c/0x140 [ 2850.367966][ T74] inet6_rtm_newroute+0x104/0x110 [ 2850.367966][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2850.367966][ T74] netlink_rcv_skb+0x130/0x360 [ 2850.367966][ T74] netlink_unicast+0x449/0x710 [ 2850.367966][ T74] netlink_sendmsg+0x723/0xbe0 [ 2850.367966][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2850.367966][ T74] ___sys_sendmsg+0xee/0x170 [ 2850.367966][ T74] __sys_sendmsg+0xcd/0x170 [ 2850.367966][ T74] do_syscall_64+0xc6/0x1e0 [ 2850.367966][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2850.367966][ T74] [ 2850.369888][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2850.369888][ T74] netdev_get_by_index+0x5e/0x80 [ 2850.369888][ T74] fib6_nh_init+0x3d8/0x1580 [ 2850.369888][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2850.369888][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2850.369888][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2850.369888][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2850.369888][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2850.369888][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2850.369888][ T74] addrconf_dad_begin+0x310/0x670 [ 2850.369888][ T74] addrconf_dad_work+0x10b/0xab0 [ 2850.369888][ T74] process_one_work+0x84d/0x18a0 [ 2850.369888][ T74] worker_thread+0x587/0xd30 [ 2850.369888][ T74] kthread+0x28a/0x350 [ 2850.369888][ T74] ret_from_fork+0x31/0x70 [ 2850.369888][ T74] ret_from_fork_asm+0x1a/0x30 [ 2850.369888][ T74] [ 2850.371797][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2850.371797][ T74] netdev_get_by_index+0x5e/0x80 [ 2850.371797][ T74] fib6_nh_init+0x3d8/0x1580 [ 2850.371797][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2850.371797][ T74] ip6_route_add+0x1c/0x140 [ 2850.371797][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2850.371797][ T74] inet6_addr_add+0x4f8/0xa40 [ 2850.371797][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2850.371797][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2850.371797][ T74] netlink_rcv_skb+0x130/0x360 [ 2850.371797][ T74] netlink_unicast+0x449/0x710 [ 2850.371797][ T74] netlink_sendmsg+0x723/0xbe0 [ 2850.371797][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2850.371797][ T74] ___sys_sendmsg+0xee/0x170 [ 2850.371797][ T74] __sys_sendmsg+0xcd/0x170 [ 2850.371797][ T74] do_syscall_64+0xc6/0x1e0 [ 2850.371797][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2850.371797][ T74] [ 2850.373787][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2850.373787][ T74] netdev_get_by_index+0x5e/0x80 [ 2850.373787][ T74] fib6_nh_init+0x3d8/0x1580 [ 2850.373787][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2850.373787][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2850.373787][ T74] ipv6_add_addr+0x411/0x2000 [ 2850.373787][ T74] inet6_addr_add+0x30e/0xa40 [ 2850.373787][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2850.373787][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2850.373787][ T74] netlink_rcv_skb+0x130/0x360 [ 2850.373787][ T74] netlink_unicast+0x449/0x710 [ 2850.373787][ T74] netlink_sendmsg+0x723/0xbe0 [ 2850.373787][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2850.373787][ T74] ___sys_sendmsg+0xee/0x170 [ 2850.373787][ T74] __sys_sendmsg+0xcd/0x170 [ 2850.373787][ T74] do_syscall_64+0xc6/0x1e0 [ 2850.373787][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2850.373787][ T74] [ 2850.375787][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2850.375787][ T74] netdev_get_by_index+0x5e/0x80 [ 2850.375787][ T74] fib6_nh_init+0x3d8/0x1580 [ 2850.375787][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2850.375787][ T74] ip6_route_add+0x1c/0x140 [ 2850.375787][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2850.375787][ T74] addrconf_add_dev+0xe2/0x170 [ 2850.375787][ T74] inet6_addr_add+0x12f/0xa40 [ 2850.375787][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2850.375787][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2850.375787][ T74] netlink_rcv_skb+0x130/0x360 [ 2850.375787][ T74] netlink_unicast+0x449/0x710 [ 2850.375787][ T74] netlink_sendmsg+0x723/0xbe0 [ 2850.375787][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2850.375787][ T74] ___sys_sendmsg+0xee/0x170 [ 2850.375787][ T74] __sys_sendmsg+0xcd/0x170 [ 2850.375787][ T74] do_syscall_64+0xc6/0x1e0 [ 2850.375787][ T74] [ 2850.377735][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2850.377735][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2850.377735][ T74] ipv6_find_idev+0x102/0x170 [ 2850.377735][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2850.377735][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2850.377735][ T74] netlink_rcv_skb+0x130/0x360 [ 2850.377735][ T74] netlink_unicast+0x449/0x710 [ 2850.377735][ T74] netlink_sendmsg+0x723/0xbe0 [ 2850.377735][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2850.377735][ T74] ___sys_sendmsg+0xee/0x170 [ 2850.377735][ T74] __sys_sendmsg+0xcd/0x170 [ 2850.377735][ T74] do_syscall_64+0xc6/0x1e0 [ 2850.377735][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2850.377735][ T74] [ 2850.379390][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2850.379390][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2850.379390][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2850.379390][ T74] ipv6_find_idev+0x102/0x170 [ 2850.379390][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2850.379390][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2850.379390][ T74] netlink_rcv_skb+0x130/0x360 [ 2850.379390][ T74] netlink_unicast+0x449/0x710 [ 2850.379390][ T74] netlink_sendmsg+0x723/0xbe0 [ 2850.379390][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2850.379390][ T74] ___sys_sendmsg+0xee/0x170 [ 2850.379390][ T74] __sys_sendmsg+0xcd/0x170 [ 2850.379390][ T74] do_syscall_64+0xc6/0x1e0 [ 2850.379390][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2850.379390][ T74] [ 2850.381361][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2850.381594][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2850.381594][ T74] netdev_get_by_index+0x5e/0x80 [ 2850.381594][ T74] fib6_nh_init+0x3d8/0x1580 [ 2850.381594][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2850.381594][ T74] ip6_route_add+0x1c/0x140 [ 2850.381594][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2850.381594][ T74] inet6_addr_add+0x4f8/0xa40 [ 2850.381594][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2850.381594][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2850.381594][ T74] netlink_rcv_skb+0x130/0x360 [ 2850.381594][ T74] netlink_unicast+0x449/0x710 [ 2850.381594][ T74] netlink_sendmsg+0x723/0xbe0 [ 2850.381594][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2850.381594][ T74] ___sys_sendmsg+0xee/0x170 [ 2850.381594][ T74] __sys_sendmsg+0xcd/0x170 [ 2850.381594][ T74] do_syscall_64+0xc6/0x1e0 [ 2850.381594][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2850.381594][ T74] [ 2850.383832][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2850.383832][ T74] netdev_get_by_index+0x5e/0x80 [ 2850.383832][ T74] fib6_nh_init+0x3d8/0x1580 [ 2850.383832][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2850.383832][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2850.383832][ T74] ipv6_add_addr+0x411/0x2000 [ 2850.383832][ T74] inet6_addr_add+0x30e/0xa40 [ 2850.383832][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2850.383832][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2850.383832][ T74] netlink_rcv_skb+0x130/0x360 [ 2850.383832][ T74] netlink_unicast+0x449/0x710 [ 2850.383832][ T74] netlink_sendmsg+0x723/0xbe0 [ 2850.383832][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2850.383832][ T74] ___sys_sendmsg+0xee/0x170 [ 2850.383832][ T74] __sys_sendmsg+0xcd/0x170 [ 2850.383832][ T74] do_syscall_64+0xc6/0x1e0 [ 2850.383832][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2850.383832][ T74] [ 2850.386058][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2850.386058][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2850.386058][ T74] ipv6_find_idev+0x102/0x170 [ 2850.386058][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2850.386058][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2850.386058][ T74] netlink_rcv_skb+0x130/0x360 [ 2850.386058][ T74] netlink_unicast+0x449/0x710 [ 2850.386058][ T74] netlink_sendmsg+0x723/0xbe0 [ 2850.386058][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2850.386058][ T74] ___sys_sendmsg+0xee/0x170 [ 2850.386058][ T74] __sys_sendmsg+0xcd/0x170 [ 2850.386058][ T74] do_syscall_64+0xc6/0x1e0 [ 2850.386058][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2850.386058][ T74] [ 2850.387713][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2850.387713][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2850.387713][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2850.387713][ T74] ipv6_find_idev+0x102/0x170 [ 2850.387713][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2850.387713][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2850.387713][ T74] netlink_rcv_skb+0x130/0x360 [ 2850.387713][ T74] netlink_unicast+0x449/0x710 [ 2850.387713][ T74] netlink_sendmsg+0x723/0xbe0 [ 2850.387713][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2850.387713][ T74] ___sys_sendmsg+0xee/0x170 [ 2850.387713][ T74] __sys_sendmsg+0xcd/0x170 [ 2850.387713][ T74] do_syscall_64+0xc6/0x1e0 [ 2850.387713][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2850.387713][ T74] [ 2860.631938][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2860.632292][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2860.632292][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2860.632292][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2860.632292][ T74] fib6_nh_init+0xa22/0x1580 [ 2860.632292][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2860.632292][ T74] ip6_route_add+0x1c/0x140 [ 2860.632292][ T74] inet6_rtm_newroute+0x104/0x110 [ 2860.632292][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2860.632292][ T74] netlink_rcv_skb+0x130/0x360 [ 2860.632292][ T74] netlink_unicast+0x449/0x710 [ 2860.632292][ T74] netlink_sendmsg+0x723/0xbe0 [ 2860.632292][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2860.632292][ T74] ___sys_sendmsg+0xee/0x170 [ 2860.632292][ T74] __sys_sendmsg+0xcd/0x170 [ 2860.632292][ T74] do_syscall_64+0xc6/0x1e0 [ 2860.632292][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2860.632292][ T74] [ 2860.634242][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2860.634242][ T74] netdev_get_by_index+0x5e/0x80 [ 2860.634242][ T74] fib6_nh_init+0x3d8/0x1580 [ 2860.634242][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2860.634242][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2860.634242][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2860.634242][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2860.634242][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2860.634242][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2860.634242][ T74] addrconf_dad_begin+0x310/0x670 [ 2860.634242][ T74] addrconf_dad_work+0x10b/0xab0 [ 2860.634242][ T74] process_one_work+0x84d/0x18a0 [ 2860.634242][ T74] worker_thread+0x587/0xd30 [ 2860.634242][ T74] kthread+0x28a/0x350 [ 2860.634242][ T74] ret_from_fork+0x31/0x70 [ 2860.634242][ T74] ret_from_fork_asm+0x1a/0x30 [ 2860.634242][ T74] [ 2860.636231][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2860.636231][ T74] netdev_get_by_index+0x5e/0x80 [ 2860.636231][ T74] fib6_nh_init+0x3d8/0x1580 [ 2860.636231][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2860.636231][ T74] ip6_route_add+0x1c/0x140 [ 2860.636231][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2860.636231][ T74] inet6_addr_add+0x4f8/0xa40 [ 2860.636231][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2860.636231][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2860.636231][ T74] netlink_rcv_skb+0x130/0x360 [ 2860.636231][ T74] netlink_unicast+0x449/0x710 [ 2860.636231][ T74] netlink_sendmsg+0x723/0xbe0 [ 2860.636231][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2860.636231][ T74] ___sys_sendmsg+0xee/0x170 [ 2860.636231][ T74] __sys_sendmsg+0xcd/0x170 [ 2860.636231][ T74] do_syscall_64+0xc6/0x1e0 [ 2860.636231][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2860.636231][ T74] [ 2860.638269][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2860.638269][ T74] netdev_get_by_index+0x5e/0x80 [ 2860.638269][ T74] fib6_nh_init+0x3d8/0x1580 [ 2860.638269][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2860.638269][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2860.638269][ T74] ipv6_add_addr+0x411/0x2000 [ 2860.638269][ T74] inet6_addr_add+0x30e/0xa40 [ 2860.638269][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2860.638269][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2860.638269][ T74] netlink_rcv_skb+0x130/0x360 [ 2860.638269][ T74] netlink_unicast+0x449/0x710 [ 2860.638269][ T74] netlink_sendmsg+0x723/0xbe0 [ 2860.638269][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2860.638269][ T74] ___sys_sendmsg+0xee/0x170 [ 2860.638269][ T74] __sys_sendmsg+0xcd/0x170 [ 2860.638269][ T74] do_syscall_64+0xc6/0x1e0 [ 2860.638269][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2860.638269][ T74] [ 2860.640268][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2860.640268][ T74] netdev_get_by_index+0x5e/0x80 [ 2860.640268][ T74] fib6_nh_init+0x3d8/0x1580 [ 2860.640268][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2860.640268][ T74] ip6_route_add+0x1c/0x140 [ 2860.640268][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2860.640268][ T74] addrconf_add_dev+0xe2/0x170 [ 2860.640268][ T74] inet6_addr_add+0x12f/0xa40 [ 2860.640268][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2860.640268][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2860.640268][ T74] netlink_rcv_skb+0x130/0x360 [ 2860.640268][ T74] netlink_unicast+0x449/0x710 [ 2860.640268][ T74] netlink_sendmsg+0x723/0xbe0 [ 2860.640268][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2860.640268][ T74] ___sys_sendmsg+0xee/0x170 [ 2860.640268][ T74] __sys_sendmsg+0xcd/0x170 [ 2860.640268][ T74] do_syscall_64+0xc6/0x1e0 [ 2860.640268][ T74] [ 2860.642237][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2860.642237][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2860.642237][ T74] ipv6_find_idev+0x102/0x170 [ 2860.642237][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2860.642237][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2860.642237][ T74] netlink_rcv_skb+0x130/0x360 [ 2860.642237][ T74] netlink_unicast+0x449/0x710 [ 2860.642237][ T74] netlink_sendmsg+0x723/0xbe0 [ 2860.642237][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2860.642237][ T74] ___sys_sendmsg+0xee/0x170 [ 2860.642237][ T74] __sys_sendmsg+0xcd/0x170 [ 2860.642237][ T74] do_syscall_64+0xc6/0x1e0 [ 2860.642237][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2860.642237][ T74] [ 2860.643775][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2860.643775][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2860.643775][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2860.643775][ T74] ipv6_find_idev+0x102/0x170 [ 2860.643775][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2860.643775][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2860.643775][ T74] netlink_rcv_skb+0x130/0x360 [ 2860.643775][ T74] netlink_unicast+0x449/0x710 [ 2860.643775][ T74] netlink_sendmsg+0x723/0xbe0 [ 2860.643775][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2860.643775][ T74] ___sys_sendmsg+0xee/0x170 [ 2860.643775][ T74] __sys_sendmsg+0xcd/0x170 [ 2860.643775][ T74] do_syscall_64+0xc6/0x1e0 [ 2860.643775][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2860.643775][ T74] [ 2860.645493][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2860.645774][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2860.645774][ T74] dst_init+0x84/0x4a0 [ 2860.645774][ T74] dst_alloc+0x97/0x150 [ 2860.645774][ T74] ip6_dst_alloc+0x23/0x90 [ 2860.645774][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2860.645774][ T74] ip6_pol_route+0x56f/0x840 [ 2860.645774][ T74] fib6_rule_lookup+0x456/0x630 [ 2860.645774][ T74] ip6_route_input+0x59c/0xa50 [ 2860.645774][ T74] ipv6_rcv+0x397/0x810 [ 2860.645774][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2860.645774][ T74] process_backlog+0x101/0x620 [ 2860.645774][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2860.645774][ T74] net_rx_action+0x495/0xbe0 [ 2860.645774][ T74] __do_softirq+0x1b5/0x7f6 [ 2860.645774][ T74] [ 2860.647426][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2860.647426][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2860.647426][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2860.647426][ T74] fib6_nh_init+0xa22/0x1580 [ 2860.647426][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2860.647426][ T74] ip6_route_add+0x1c/0x140 [ 2860.647426][ T74] inet6_rtm_newroute+0x104/0x110 [ 2860.647426][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2860.647426][ T74] netlink_rcv_skb+0x130/0x360 [ 2860.647426][ T74] netlink_unicast+0x449/0x710 [ 2860.647426][ T74] netlink_sendmsg+0x723/0xbe0 [ 2860.647426][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2860.647426][ T74] ___sys_sendmsg+0xee/0x170 [ 2860.647426][ T74] __sys_sendmsg+0xcd/0x170 [ 2860.647426][ T74] do_syscall_64+0xc6/0x1e0 [ 2860.647426][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2860.647426][ T74] [ 2860.649320][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2860.649320][ T74] netdev_get_by_index+0x5e/0x80 [ 2860.649320][ T74] fib6_nh_init+0x3d8/0x1580 [ 2860.649320][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2860.649320][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2860.649320][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2860.649320][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2860.649320][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2860.649320][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2860.649320][ T74] addrconf_dad_begin+0x310/0x670 [ 2860.649320][ T74] addrconf_dad_work+0x10b/0xab0 [ 2860.649320][ T74] process_one_work+0x84d/0x18a0 [ 2860.649320][ T74] worker_thread+0x587/0xd30 [ 2860.649320][ T74] kthread+0x28a/0x350 [ 2860.649320][ T74] ret_from_fork+0x31/0x70 [ 2860.649320][ T74] ret_from_fork_asm+0x1a/0x30 [ 2860.649320][ T74] [ 2860.651253][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2860.651253][ T74] netdev_get_by_index+0x5e/0x80 [ 2860.651253][ T74] fib6_nh_init+0x3d8/0x1580 [ 2860.651253][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2860.651253][ T74] ip6_route_add+0x1c/0x140 [ 2860.651253][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2860.651253][ T74] inet6_addr_add+0x4f8/0xa40 [ 2860.651253][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2860.651253][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2860.651253][ T74] netlink_rcv_skb+0x130/0x360 [ 2860.651253][ T74] netlink_unicast+0x449/0x710 [ 2860.651253][ T74] netlink_sendmsg+0x723/0xbe0 [ 2860.651253][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2860.651253][ T74] ___sys_sendmsg+0xee/0x170 [ 2860.651253][ T74] __sys_sendmsg+0xcd/0x170 [ 2860.651253][ T74] do_syscall_64+0xc6/0x1e0 [ 2860.651253][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2860.651253][ T74] [ 2860.653279][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2860.653279][ T74] netdev_get_by_index+0x5e/0x80 [ 2860.653279][ T74] fib6_nh_init+0x3d8/0x1580 [ 2860.653279][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2860.653279][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2860.653279][ T74] ipv6_add_addr+0x411/0x2000 [ 2860.653279][ T74] inet6_addr_add+0x30e/0xa40 [ 2860.653279][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2860.653279][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2860.653279][ T74] netlink_rcv_skb+0x130/0x360 [ 2860.653279][ T74] netlink_unicast+0x449/0x710 [ 2860.653279][ T74] netlink_sendmsg+0x723/0xbe0 [ 2860.653279][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2860.653279][ T74] ___sys_sendmsg+0xee/0x170 [ 2860.653279][ T74] __sys_sendmsg+0xcd/0x170 [ 2860.653279][ T74] do_syscall_64+0xc6/0x1e0 [ 2860.653279][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2860.653279][ T74] [ 2860.655310][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2860.655310][ T74] netdev_get_by_index+0x5e/0x80 [ 2860.655310][ T74] fib6_nh_init+0x3d8/0x1580 [ 2860.655310][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2860.655310][ T74] ip6_route_add+0x1c/0x140 [ 2860.655310][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2860.655310][ T74] addrconf_add_dev+0xe2/0x170 [ 2860.655310][ T74] inet6_addr_add+0x12f/0xa40 [ 2860.655310][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2860.655310][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2860.655310][ T74] netlink_rcv_skb+0x130/0x360 [ 2860.655310][ T74] netlink_unicast+0x449/0x710 [ 2860.655310][ T74] netlink_sendmsg+0x723/0xbe0 [ 2860.655310][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2860.655310][ T74] ___sys_sendmsg+0xee/0x170 [ 2860.655310][ T74] __sys_sendmsg+0xcd/0x170 [ 2860.655310][ T74] do_syscall_64+0xc6/0x1e0 [ 2860.655310][ T74] [ 2860.657670][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2860.657670][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2860.657670][ T74] ipv6_find_idev+0x102/0x170 [ 2860.657670][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2860.657670][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2860.657670][ T74] netlink_rcv_skb+0x130/0x360 [ 2860.657670][ T74] netlink_unicast+0x449/0x710 [ 2860.657670][ T74] netlink_sendmsg+0x723/0xbe0 [ 2860.657670][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2860.657670][ T74] ___sys_sendmsg+0xee/0x170 [ 2860.657670][ T74] __sys_sendmsg+0xcd/0x170 [ 2860.657670][ T74] do_syscall_64+0xc6/0x1e0 [ 2860.657670][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2860.657670][ T74] [ 2860.659292][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2860.659292][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2860.659292][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2860.659292][ T74] ipv6_find_idev+0x102/0x170 [ 2860.659292][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2860.659292][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2860.659292][ T74] netlink_rcv_skb+0x130/0x360 [ 2860.659292][ T74] netlink_unicast+0x449/0x710 [ 2860.659292][ T74] netlink_sendmsg+0x723/0xbe0 [ 2860.659292][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2860.659292][ T74] ___sys_sendmsg+0xee/0x170 [ 2860.659292][ T74] __sys_sendmsg+0xcd/0x170 [ 2860.659292][ T74] do_syscall_64+0xc6/0x1e0 [ 2860.659292][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2860.659292][ T74] [ 2860.661183][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2860.661421][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2860.661421][ T74] netdev_get_by_index+0x5e/0x80 [ 2860.661421][ T74] fib6_nh_init+0x3d8/0x1580 [ 2860.661421][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2860.661421][ T74] ip6_route_add+0x1c/0x140 [ 2860.661421][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2860.661421][ T74] inet6_addr_add+0x4f8/0xa40 [ 2860.661421][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2860.661421][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2860.661421][ T74] netlink_rcv_skb+0x130/0x360 [ 2860.661421][ T74] netlink_unicast+0x449/0x710 [ 2860.661421][ T74] netlink_sendmsg+0x723/0xbe0 [ 2860.661421][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2860.661421][ T74] ___sys_sendmsg+0xee/0x170 [ 2860.661421][ T74] __sys_sendmsg+0xcd/0x170 [ 2860.661421][ T74] do_syscall_64+0xc6/0x1e0 [ 2860.661421][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2860.661421][ T74] [ 2860.663572][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2860.663572][ T74] netdev_get_by_index+0x5e/0x80 [ 2860.663572][ T74] fib6_nh_init+0x3d8/0x1580 [ 2860.663572][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2860.663572][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2860.663572][ T74] ipv6_add_addr+0x411/0x2000 [ 2860.663572][ T74] inet6_addr_add+0x30e/0xa40 [ 2860.663572][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2860.663572][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2860.663572][ T74] netlink_rcv_skb+0x130/0x360 [ 2860.663572][ T74] netlink_unicast+0x449/0x710 [ 2860.663572][ T74] netlink_sendmsg+0x723/0xbe0 [ 2860.663572][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2860.663572][ T74] ___sys_sendmsg+0xee/0x170 [ 2860.663572][ T74] __sys_sendmsg+0xcd/0x170 [ 2860.663572][ T74] do_syscall_64+0xc6/0x1e0 [ 2860.663572][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2860.663572][ T74] [ 2860.665709][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2860.665709][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2860.665709][ T74] ipv6_find_idev+0x102/0x170 [ 2860.665709][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2860.665709][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2860.665709][ T74] netlink_rcv_skb+0x130/0x360 [ 2860.665709][ T74] netlink_unicast+0x449/0x710 [ 2860.665709][ T74] netlink_sendmsg+0x723/0xbe0 [ 2860.665709][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2860.665709][ T74] ___sys_sendmsg+0xee/0x170 [ 2860.665709][ T74] __sys_sendmsg+0xcd/0x170 [ 2860.665709][ T74] do_syscall_64+0xc6/0x1e0 [ 2860.665709][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2860.665709][ T74] [ 2860.667321][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2860.667321][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2860.667321][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2860.667321][ T74] ipv6_find_idev+0x102/0x170 [ 2860.667321][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2860.667321][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2860.667321][ T74] netlink_rcv_skb+0x130/0x360 [ 2860.667321][ T74] netlink_unicast+0x449/0x710 [ 2860.667321][ T74] netlink_sendmsg+0x723/0xbe0 [ 2860.667321][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2860.667321][ T74] ___sys_sendmsg+0xee/0x170 [ 2860.667321][ T74] __sys_sendmsg+0xcd/0x170 [ 2860.667321][ T74] do_syscall_64+0xc6/0x1e0 [ 2860.667321][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2860.667321][ T74] [ 2870.912017][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2870.912447][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2870.912447][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2870.912447][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2870.912447][ T74] fib6_nh_init+0xa22/0x1580 [ 2870.912447][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2870.912447][ T74] ip6_route_add+0x1c/0x140 [ 2870.912447][ T74] inet6_rtm_newroute+0x104/0x110 [ 2870.912447][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2870.912447][ T74] netlink_rcv_skb+0x130/0x360 [ 2870.912447][ T74] netlink_unicast+0x449/0x710 [ 2870.912447][ T74] netlink_sendmsg+0x723/0xbe0 [ 2870.912447][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2870.912447][ T74] ___sys_sendmsg+0xee/0x170 [ 2870.912447][ T74] __sys_sendmsg+0xcd/0x170 [ 2870.912447][ T74] do_syscall_64+0xc6/0x1e0 [ 2870.912447][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2870.912447][ T74] [ 2870.914340][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2870.914340][ T74] netdev_get_by_index+0x5e/0x80 [ 2870.914340][ T74] fib6_nh_init+0x3d8/0x1580 [ 2870.914340][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2870.914340][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2870.914340][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2870.914340][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2870.914340][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2870.914340][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2870.914340][ T74] addrconf_dad_begin+0x310/0x670 [ 2870.914340][ T74] addrconf_dad_work+0x10b/0xab0 [ 2870.914340][ T74] process_one_work+0x84d/0x18a0 [ 2870.914340][ T74] worker_thread+0x587/0xd30 [ 2870.914340][ T74] kthread+0x28a/0x350 [ 2870.914340][ T74] ret_from_fork+0x31/0x70 [ 2870.914340][ T74] ret_from_fork_asm+0x1a/0x30 [ 2870.914340][ T74] [ 2870.916258][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2870.916258][ T74] netdev_get_by_index+0x5e/0x80 [ 2870.916258][ T74] fib6_nh_init+0x3d8/0x1580 [ 2870.916258][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2870.916258][ T74] ip6_route_add+0x1c/0x140 [ 2870.916258][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2870.916258][ T74] inet6_addr_add+0x4f8/0xa40 [ 2870.916258][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2870.916258][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2870.916258][ T74] netlink_rcv_skb+0x130/0x360 [ 2870.916258][ T74] netlink_unicast+0x449/0x710 [ 2870.916258][ T74] netlink_sendmsg+0x723/0xbe0 [ 2870.916258][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2870.916258][ T74] ___sys_sendmsg+0xee/0x170 [ 2870.916258][ T74] __sys_sendmsg+0xcd/0x170 [ 2870.916258][ T74] do_syscall_64+0xc6/0x1e0 [ 2870.916258][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2870.916258][ T74] [ 2870.918357][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2870.918357][ T74] netdev_get_by_index+0x5e/0x80 [ 2870.918357][ T74] fib6_nh_init+0x3d8/0x1580 [ 2870.918357][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2870.918357][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2870.918357][ T74] ipv6_add_addr+0x411/0x2000 [ 2870.918357][ T74] inet6_addr_add+0x30e/0xa40 [ 2870.918357][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2870.918357][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2870.918357][ T74] netlink_rcv_skb+0x130/0x360 [ 2870.918357][ T74] netlink_unicast+0x449/0x710 [ 2870.918357][ T74] netlink_sendmsg+0x723/0xbe0 [ 2870.918357][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2870.918357][ T74] ___sys_sendmsg+0xee/0x170 [ 2870.918357][ T74] __sys_sendmsg+0xcd/0x170 [ 2870.918357][ T74] do_syscall_64+0xc6/0x1e0 [ 2870.918357][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2870.918357][ T74] [ 2870.920362][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2870.920362][ T74] netdev_get_by_index+0x5e/0x80 [ 2870.920362][ T74] fib6_nh_init+0x3d8/0x1580 [ 2870.920362][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2870.920362][ T74] ip6_route_add+0x1c/0x140 [ 2870.920362][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2870.920362][ T74] addrconf_add_dev+0xe2/0x170 [ 2870.920362][ T74] inet6_addr_add+0x12f/0xa40 [ 2870.920362][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2870.920362][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2870.920362][ T74] netlink_rcv_skb+0x130/0x360 [ 2870.920362][ T74] netlink_unicast+0x449/0x710 [ 2870.920362][ T74] netlink_sendmsg+0x723/0xbe0 [ 2870.920362][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2870.920362][ T74] ___sys_sendmsg+0xee/0x170 [ 2870.920362][ T74] __sys_sendmsg+0xcd/0x170 [ 2870.920362][ T74] do_syscall_64+0xc6/0x1e0 [ 2870.920362][ T74] [ 2870.922348][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2870.922348][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2870.922348][ T74] ipv6_find_idev+0x102/0x170 [ 2870.922348][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2870.922348][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2870.922348][ T74] netlink_rcv_skb+0x130/0x360 [ 2870.922348][ T74] netlink_unicast+0x449/0x710 [ 2870.922348][ T74] netlink_sendmsg+0x723/0xbe0 [ 2870.922348][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2870.922348][ T74] ___sys_sendmsg+0xee/0x170 [ 2870.922348][ T74] __sys_sendmsg+0xcd/0x170 [ 2870.922348][ T74] do_syscall_64+0xc6/0x1e0 [ 2870.922348][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2870.922348][ T74] [ 2870.923884][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2870.923884][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2870.923884][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2870.923884][ T74] ipv6_find_idev+0x102/0x170 [ 2870.923884][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2870.923884][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2870.923884][ T74] netlink_rcv_skb+0x130/0x360 [ 2870.923884][ T74] netlink_unicast+0x449/0x710 [ 2870.923884][ T74] netlink_sendmsg+0x723/0xbe0 [ 2870.923884][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2870.923884][ T74] ___sys_sendmsg+0xee/0x170 [ 2870.923884][ T74] __sys_sendmsg+0xcd/0x170 [ 2870.923884][ T74] do_syscall_64+0xc6/0x1e0 [ 2870.923884][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2870.923884][ T74] [ 2870.925608][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2870.925889][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2870.925889][ T74] dst_init+0x84/0x4a0 [ 2870.925889][ T74] dst_alloc+0x97/0x150 [ 2870.925889][ T74] ip6_dst_alloc+0x23/0x90 [ 2870.925889][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2870.925889][ T74] ip6_pol_route+0x56f/0x840 [ 2870.925889][ T74] fib6_rule_lookup+0x456/0x630 [ 2870.925889][ T74] ip6_route_input+0x59c/0xa50 [ 2870.925889][ T74] ipv6_rcv+0x397/0x810 [ 2870.925889][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2870.925889][ T74] process_backlog+0x101/0x620 [ 2870.925889][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2870.925889][ T74] net_rx_action+0x495/0xbe0 [ 2870.925889][ T74] __do_softirq+0x1b5/0x7f6 [ 2870.925889][ T74] [ 2870.927529][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2870.927529][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2870.927529][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2870.927529][ T74] fib6_nh_init+0xa22/0x1580 [ 2870.927529][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2870.927529][ T74] ip6_route_add+0x1c/0x140 [ 2870.927529][ T74] inet6_rtm_newroute+0x104/0x110 [ 2870.927529][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2870.927529][ T74] netlink_rcv_skb+0x130/0x360 [ 2870.927529][ T74] netlink_unicast+0x449/0x710 [ 2870.927529][ T74] netlink_sendmsg+0x723/0xbe0 [ 2870.927529][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2870.927529][ T74] ___sys_sendmsg+0xee/0x170 [ 2870.927529][ T74] __sys_sendmsg+0xcd/0x170 [ 2870.927529][ T74] do_syscall_64+0xc6/0x1e0 [ 2870.927529][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2870.927529][ T74] [ 2870.929417][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2870.929417][ T74] netdev_get_by_index+0x5e/0x80 [ 2870.929417][ T74] fib6_nh_init+0x3d8/0x1580 [ 2870.929417][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2870.929417][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2870.929417][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2870.929417][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2870.929417][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2870.929417][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2870.929417][ T74] addrconf_dad_begin+0x310/0x670 [ 2870.929417][ T74] addrconf_dad_work+0x10b/0xab0 [ 2870.929417][ T74] process_one_work+0x84d/0x18a0 [ 2870.929417][ T74] worker_thread+0x587/0xd30 [ 2870.929417][ T74] kthread+0x28a/0x350 [ 2870.929417][ T74] ret_from_fork+0x31/0x70 [ 2870.929417][ T74] ret_from_fork_asm+0x1a/0x30 [ 2870.929417][ T74] [ 2870.931332][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2870.931332][ T74] netdev_get_by_index+0x5e/0x80 [ 2870.931332][ T74] fib6_nh_init+0x3d8/0x1580 [ 2870.931332][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2870.931332][ T74] ip6_route_add+0x1c/0x140 [ 2870.931332][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2870.931332][ T74] inet6_addr_add+0x4f8/0xa40 [ 2870.931332][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2870.931332][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2870.931332][ T74] netlink_rcv_skb+0x130/0x360 [ 2870.931332][ T74] netlink_unicast+0x449/0x710 [ 2870.931332][ T74] netlink_sendmsg+0x723/0xbe0 [ 2870.931332][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2870.931332][ T74] ___sys_sendmsg+0xee/0x170 [ 2870.931332][ T74] __sys_sendmsg+0xcd/0x170 [ 2870.931332][ T74] do_syscall_64+0xc6/0x1e0 [ 2870.931332][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2870.931332][ T74] [ 2870.933333][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2870.933333][ T74] netdev_get_by_index+0x5e/0x80 [ 2870.933333][ T74] fib6_nh_init+0x3d8/0x1580 [ 2870.933333][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2870.933333][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2870.933333][ T74] ipv6_add_addr+0x411/0x2000 [ 2870.933333][ T74] inet6_addr_add+0x30e/0xa40 [ 2870.933333][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2870.933333][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2870.933333][ T74] netlink_rcv_skb+0x130/0x360 [ 2870.933333][ T74] netlink_unicast+0x449/0x710 [ 2870.933333][ T74] netlink_sendmsg+0x723/0xbe0 [ 2870.933333][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2870.933333][ T74] ___sys_sendmsg+0xee/0x170 [ 2870.933333][ T74] __sys_sendmsg+0xcd/0x170 [ 2870.933333][ T74] do_syscall_64+0xc6/0x1e0 [ 2870.933333][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2870.933333][ T74] [ 2870.935343][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2870.935343][ T74] netdev_get_by_index+0x5e/0x80 [ 2870.935343][ T74] fib6_nh_init+0x3d8/0x1580 [ 2870.935343][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2870.935343][ T74] ip6_route_add+0x1c/0x140 [ 2870.935343][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2870.935343][ T74] addrconf_add_dev+0xe2/0x170 [ 2870.935343][ T74] inet6_addr_add+0x12f/0xa40 [ 2870.935343][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2870.935343][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2870.935343][ T74] netlink_rcv_skb+0x130/0x360 [ 2870.935343][ T74] netlink_unicast+0x449/0x710 [ 2870.935343][ T74] netlink_sendmsg+0x723/0xbe0 [ 2870.935343][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2870.935343][ T74] ___sys_sendmsg+0xee/0x170 [ 2870.935343][ T74] __sys_sendmsg+0xcd/0x170 [ 2870.935343][ T74] do_syscall_64+0xc6/0x1e0 [ 2870.935343][ T74] [ 2870.937303][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2870.937303][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2870.937303][ T74] ipv6_find_idev+0x102/0x170 [ 2870.937303][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2870.937303][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2870.937303][ T74] netlink_rcv_skb+0x130/0x360 [ 2870.937303][ T74] netlink_unicast+0x449/0x710 [ 2870.937303][ T74] netlink_sendmsg+0x723/0xbe0 [ 2870.937303][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2870.937303][ T74] ___sys_sendmsg+0xee/0x170 [ 2870.937303][ T74] __sys_sendmsg+0xcd/0x170 [ 2870.937303][ T74] do_syscall_64+0xc6/0x1e0 [ 2870.937303][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2870.937303][ T74] [ 2870.938975][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2870.938975][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2870.938975][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2870.938975][ T74] ipv6_find_idev+0x102/0x170 [ 2870.938975][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2870.938975][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2870.938975][ T74] netlink_rcv_skb+0x130/0x360 [ 2870.938975][ T74] netlink_unicast+0x449/0x710 [ 2870.938975][ T74] netlink_sendmsg+0x723/0xbe0 [ 2870.938975][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2870.938975][ T74] ___sys_sendmsg+0xee/0x170 [ 2870.938975][ T74] __sys_sendmsg+0xcd/0x170 [ 2870.938975][ T74] do_syscall_64+0xc6/0x1e0 [ 2870.938975][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2870.938975][ T74] [ 2870.940898][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2870.941156][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2870.941156][ T74] netdev_get_by_index+0x5e/0x80 [ 2870.941156][ T74] fib6_nh_init+0x3d8/0x1580 [ 2870.941156][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2870.941156][ T74] ip6_route_add+0x1c/0x140 [ 2870.941156][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2870.941156][ T74] inet6_addr_add+0x4f8/0xa40 [ 2870.941156][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2870.941156][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2870.941156][ T74] netlink_rcv_skb+0x130/0x360 [ 2870.941156][ T74] netlink_unicast+0x449/0x710 [ 2870.941156][ T74] netlink_sendmsg+0x723/0xbe0 [ 2870.941156][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2870.941156][ T74] ___sys_sendmsg+0xee/0x170 [ 2870.941156][ T74] __sys_sendmsg+0xcd/0x170 [ 2870.941156][ T74] do_syscall_64+0xc6/0x1e0 [ 2870.941156][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2870.941156][ T74] [ 2870.943467][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2870.943467][ T74] netdev_get_by_index+0x5e/0x80 [ 2870.943467][ T74] fib6_nh_init+0x3d8/0x1580 [ 2870.943467][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2870.943467][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2870.943467][ T74] ipv6_add_addr+0x411/0x2000 [ 2870.943467][ T74] inet6_addr_add+0x30e/0xa40 [ 2870.943467][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2870.943467][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2870.943467][ T74] netlink_rcv_skb+0x130/0x360 [ 2870.943467][ T74] netlink_unicast+0x449/0x710 [ 2870.943467][ T74] netlink_sendmsg+0x723/0xbe0 [ 2870.943467][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2870.943467][ T74] ___sys_sendmsg+0xee/0x170 [ 2870.943467][ T74] __sys_sendmsg+0xcd/0x170 [ 2870.943467][ T74] do_syscall_64+0xc6/0x1e0 [ 2870.943467][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2870.943467][ T74] [ 2870.945715][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2870.945715][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2870.945715][ T74] ipv6_find_idev+0x102/0x170 [ 2870.945715][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2870.945715][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2870.945715][ T74] netlink_rcv_skb+0x130/0x360 [ 2870.945715][ T74] netlink_unicast+0x449/0x710 [ 2870.945715][ T74] netlink_sendmsg+0x723/0xbe0 [ 2870.945715][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2870.945715][ T74] ___sys_sendmsg+0xee/0x170 [ 2870.945715][ T74] __sys_sendmsg+0xcd/0x170 [ 2870.945715][ T74] do_syscall_64+0xc6/0x1e0 [ 2870.945715][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2870.945715][ T74] [ 2870.947386][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2870.947386][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2870.947386][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2870.947386][ T74] ipv6_find_idev+0x102/0x170 [ 2870.947386][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2870.947386][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2870.947386][ T74] netlink_rcv_skb+0x130/0x360 [ 2870.947386][ T74] netlink_unicast+0x449/0x710 [ 2870.947386][ T74] netlink_sendmsg+0x723/0xbe0 [ 2870.947386][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2870.947386][ T74] ___sys_sendmsg+0xee/0x170 [ 2870.947386][ T74] __sys_sendmsg+0xcd/0x170 [ 2870.947386][ T74] do_syscall_64+0xc6/0x1e0 [ 2870.947386][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2870.947386][ T74] [ 2881.191979][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2881.192343][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2881.192343][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2881.192343][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2881.192343][ T74] fib6_nh_init+0xa22/0x1580 [ 2881.192343][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2881.192343][ T74] ip6_route_add+0x1c/0x140 [ 2881.192343][ T74] inet6_rtm_newroute+0x104/0x110 [ 2881.192343][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.192343][ T74] netlink_rcv_skb+0x130/0x360 [ 2881.192343][ T74] netlink_unicast+0x449/0x710 [ 2881.192343][ T74] netlink_sendmsg+0x723/0xbe0 [ 2881.192343][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2881.192343][ T74] ___sys_sendmsg+0xee/0x170 [ 2881.192343][ T74] __sys_sendmsg+0xcd/0x170 [ 2881.192343][ T74] do_syscall_64+0xc6/0x1e0 [ 2881.192343][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2881.192343][ T74] [ 2881.194282][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2881.194282][ T74] netdev_get_by_index+0x5e/0x80 [ 2881.194282][ T74] fib6_nh_init+0x3d8/0x1580 [ 2881.194282][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2881.194282][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2881.194282][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2881.194282][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2881.194282][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2881.194282][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2881.194282][ T74] addrconf_dad_begin+0x310/0x670 [ 2881.194282][ T74] addrconf_dad_work+0x10b/0xab0 [ 2881.194282][ T74] process_one_work+0x84d/0x18a0 [ 2881.194282][ T74] worker_thread+0x587/0xd30 [ 2881.194282][ T74] kthread+0x28a/0x350 [ 2881.194282][ T74] ret_from_fork+0x31/0x70 [ 2881.194282][ T74] ret_from_fork_asm+0x1a/0x30 [ 2881.194282][ T74] [ 2881.196201][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2881.196201][ T74] netdev_get_by_index+0x5e/0x80 [ 2881.196201][ T74] fib6_nh_init+0x3d8/0x1580 [ 2881.196201][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2881.196201][ T74] ip6_route_add+0x1c/0x140 [ 2881.196201][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2881.196201][ T74] inet6_addr_add+0x4f8/0xa40 [ 2881.196201][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2881.196201][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.196201][ T74] netlink_rcv_skb+0x130/0x360 [ 2881.196201][ T74] netlink_unicast+0x449/0x710 [ 2881.196201][ T74] netlink_sendmsg+0x723/0xbe0 [ 2881.196201][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2881.196201][ T74] ___sys_sendmsg+0xee/0x170 [ 2881.196201][ T74] __sys_sendmsg+0xcd/0x170 [ 2881.196201][ T74] do_syscall_64+0xc6/0x1e0 [ 2881.196201][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2881.196201][ T74] [ 2881.198189][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2881.198189][ T74] netdev_get_by_index+0x5e/0x80 [ 2881.198189][ T74] fib6_nh_init+0x3d8/0x1580 [ 2881.198189][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2881.198189][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2881.198189][ T74] ipv6_add_addr+0x411/0x2000 [ 2881.198189][ T74] inet6_addr_add+0x30e/0xa40 [ 2881.198189][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2881.198189][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.198189][ T74] netlink_rcv_skb+0x130/0x360 [ 2881.198189][ T74] netlink_unicast+0x449/0x710 [ 2881.198189][ T74] netlink_sendmsg+0x723/0xbe0 [ 2881.198189][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2881.198189][ T74] ___sys_sendmsg+0xee/0x170 [ 2881.198189][ T74] __sys_sendmsg+0xcd/0x170 [ 2881.198189][ T74] do_syscall_64+0xc6/0x1e0 [ 2881.198189][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2881.198189][ T74] [ 2881.200183][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2881.200183][ T74] netdev_get_by_index+0x5e/0x80 [ 2881.200183][ T74] fib6_nh_init+0x3d8/0x1580 [ 2881.200183][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2881.200183][ T74] ip6_route_add+0x1c/0x140 [ 2881.200183][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2881.200183][ T74] addrconf_add_dev+0xe2/0x170 [ 2881.200183][ T74] inet6_addr_add+0x12f/0xa40 [ 2881.200183][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2881.200183][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.200183][ T74] netlink_rcv_skb+0x130/0x360 [ 2881.200183][ T74] netlink_unicast+0x449/0x710 [ 2881.200183][ T74] netlink_sendmsg+0x723/0xbe0 [ 2881.200183][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2881.200183][ T74] ___sys_sendmsg+0xee/0x170 [ 2881.200183][ T74] __sys_sendmsg+0xcd/0x170 [ 2881.200183][ T74] do_syscall_64+0xc6/0x1e0 [ 2881.200183][ T74] [ 2881.202192][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2881.202192][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2881.202192][ T74] ipv6_find_idev+0x102/0x170 [ 2881.202192][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2881.202192][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.202192][ T74] netlink_rcv_skb+0x130/0x360 [ 2881.202192][ T74] netlink_unicast+0x449/0x710 [ 2881.202192][ T74] netlink_sendmsg+0x723/0xbe0 [ 2881.202192][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2881.202192][ T74] ___sys_sendmsg+0xee/0x170 [ 2881.202192][ T74] __sys_sendmsg+0xcd/0x170 [ 2881.202192][ T74] do_syscall_64+0xc6/0x1e0 [ 2881.202192][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2881.202192][ T74] [ 2881.203735][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2881.203735][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2881.203735][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2881.203735][ T74] ipv6_find_idev+0x102/0x170 [ 2881.203735][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2881.203735][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.203735][ T74] netlink_rcv_skb+0x130/0x360 [ 2881.203735][ T74] netlink_unicast+0x449/0x710 [ 2881.203735][ T74] netlink_sendmsg+0x723/0xbe0 [ 2881.203735][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2881.203735][ T74] ___sys_sendmsg+0xee/0x170 [ 2881.203735][ T74] __sys_sendmsg+0xcd/0x170 [ 2881.203735][ T74] do_syscall_64+0xc6/0x1e0 [ 2881.203735][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2881.203735][ T74] [ 2881.205431][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2881.205701][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2881.205701][ T74] dst_init+0x84/0x4a0 [ 2881.205701][ T74] dst_alloc+0x97/0x150 [ 2881.205701][ T74] ip6_dst_alloc+0x23/0x90 [ 2881.205701][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2881.205701][ T74] ip6_pol_route+0x56f/0x840 [ 2881.205701][ T74] fib6_rule_lookup+0x456/0x630 [ 2881.205701][ T74] ip6_route_input+0x59c/0xa50 [ 2881.205701][ T74] ipv6_rcv+0x397/0x810 [ 2881.205701][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2881.205701][ T74] process_backlog+0x101/0x620 [ 2881.205701][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2881.205701][ T74] net_rx_action+0x495/0xbe0 [ 2881.205701][ T74] __do_softirq+0x1b5/0x7f6 [ 2881.205701][ T74] [ 2881.207333][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2881.207333][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2881.207333][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2881.207333][ T74] fib6_nh_init+0xa22/0x1580 [ 2881.207333][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2881.207333][ T74] ip6_route_add+0x1c/0x140 [ 2881.207333][ T74] inet6_rtm_newroute+0x104/0x110 [ 2881.207333][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.207333][ T74] netlink_rcv_skb+0x130/0x360 [ 2881.207333][ T74] netlink_unicast+0x449/0x710 [ 2881.207333][ T74] netlink_sendmsg+0x723/0xbe0 [ 2881.207333][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2881.207333][ T74] ___sys_sendmsg+0xee/0x170 [ 2881.207333][ T74] __sys_sendmsg+0xcd/0x170 [ 2881.207333][ T74] do_syscall_64+0xc6/0x1e0 [ 2881.207333][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2881.207333][ T74] [ 2881.209216][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2881.209216][ T74] netdev_get_by_index+0x5e/0x80 [ 2881.209216][ T74] fib6_nh_init+0x3d8/0x1580 [ 2881.209216][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2881.209216][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2881.209216][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2881.209216][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2881.209216][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2881.209216][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2881.209216][ T74] addrconf_dad_begin+0x310/0x670 [ 2881.209216][ T74] addrconf_dad_work+0x10b/0xab0 [ 2881.209216][ T74] process_one_work+0x84d/0x18a0 [ 2881.209216][ T74] worker_thread+0x587/0xd30 [ 2881.209216][ T74] kthread+0x28a/0x350 [ 2881.209216][ T74] ret_from_fork+0x31/0x70 [ 2881.209216][ T74] ret_from_fork_asm+0x1a/0x30 [ 2881.209216][ T74] [ 2881.211110][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2881.211110][ T74] netdev_get_by_index+0x5e/0x80 [ 2881.211110][ T74] fib6_nh_init+0x3d8/0x1580 [ 2881.211110][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2881.211110][ T74] ip6_route_add+0x1c/0x140 [ 2881.211110][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2881.211110][ T74] inet6_addr_add+0x4f8/0xa40 [ 2881.211110][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2881.211110][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.211110][ T74] netlink_rcv_skb+0x130/0x360 [ 2881.211110][ T74] netlink_unicast+0x449/0x710 [ 2881.211110][ T74] netlink_sendmsg+0x723/0xbe0 [ 2881.211110][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2881.211110][ T74] ___sys_sendmsg+0xee/0x170 [ 2881.211110][ T74] __sys_sendmsg+0xcd/0x170 [ 2881.211110][ T74] do_syscall_64+0xc6/0x1e0 [ 2881.211110][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2881.211110][ T74] [ 2881.213097][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2881.213097][ T74] netdev_get_by_index+0x5e/0x80 [ 2881.213097][ T74] fib6_nh_init+0x3d8/0x1580 [ 2881.213097][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2881.213097][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2881.213097][ T74] ipv6_add_addr+0x411/0x2000 [ 2881.213097][ T74] inet6_addr_add+0x30e/0xa40 [ 2881.213097][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2881.213097][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.213097][ T74] netlink_rcv_skb+0x130/0x360 [ 2881.213097][ T74] netlink_unicast+0x449/0x710 [ 2881.213097][ T74] netlink_sendmsg+0x723/0xbe0 [ 2881.213097][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2881.213097][ T74] ___sys_sendmsg+0xee/0x170 [ 2881.213097][ T74] __sys_sendmsg+0xcd/0x170 [ 2881.213097][ T74] do_syscall_64+0xc6/0x1e0 [ 2881.213097][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2881.213097][ T74] [ 2881.215997][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2881.215997][ T74] netdev_get_by_index+0x5e/0x80 [ 2881.215997][ T74] fib6_nh_init+0x3d8/0x1580 [ 2881.215997][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2881.215997][ T74] ip6_route_add+0x1c/0x140 [ 2881.215997][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2881.215997][ T74] addrconf_add_dev+0xe2/0x170 [ 2881.215997][ T74] inet6_addr_add+0x12f/0xa40 [ 2881.215997][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2881.215997][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.215997][ T74] netlink_rcv_skb+0x130/0x360 [ 2881.215997][ T74] netlink_unicast+0x449/0x710 [ 2881.215997][ T74] netlink_sendmsg+0x723/0xbe0 [ 2881.215997][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2881.215997][ T74] ___sys_sendmsg+0xee/0x170 [ 2881.215997][ T74] __sys_sendmsg+0xcd/0x170 [ 2881.215997][ T74] do_syscall_64+0xc6/0x1e0 [ 2881.215997][ T74] [ 2881.217948][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2881.217948][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2881.217948][ T74] ipv6_find_idev+0x102/0x170 [ 2881.217948][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2881.217948][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.217948][ T74] netlink_rcv_skb+0x130/0x360 [ 2881.217948][ T74] netlink_unicast+0x449/0x710 [ 2881.217948][ T74] netlink_sendmsg+0x723/0xbe0 [ 2881.217948][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2881.217948][ T74] ___sys_sendmsg+0xee/0x170 [ 2881.217948][ T74] __sys_sendmsg+0xcd/0x170 [ 2881.217948][ T74] do_syscall_64+0xc6/0x1e0 [ 2881.217948][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2881.217948][ T74] [ 2881.219596][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2881.219596][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2881.219596][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2881.219596][ T74] ipv6_find_idev+0x102/0x170 [ 2881.219596][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2881.219596][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.219596][ T74] netlink_rcv_skb+0x130/0x360 [ 2881.219596][ T74] netlink_unicast+0x449/0x710 [ 2881.219596][ T74] netlink_sendmsg+0x723/0xbe0 [ 2881.219596][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2881.219596][ T74] ___sys_sendmsg+0xee/0x170 [ 2881.219596][ T74] __sys_sendmsg+0xcd/0x170 [ 2881.219596][ T74] do_syscall_64+0xc6/0x1e0 [ 2881.219596][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2881.219596][ T74] [ 2881.221508][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2881.221753][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2881.221753][ T74] netdev_get_by_index+0x5e/0x80 [ 2881.221753][ T74] fib6_nh_init+0x3d8/0x1580 [ 2881.221753][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2881.221753][ T74] ip6_route_add+0x1c/0x140 [ 2881.221753][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2881.221753][ T74] inet6_addr_add+0x4f8/0xa40 [ 2881.221753][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2881.221753][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.221753][ T74] netlink_rcv_skb+0x130/0x360 [ 2881.221753][ T74] netlink_unicast+0x449/0x710 [ 2881.221753][ T74] netlink_sendmsg+0x723/0xbe0 [ 2881.221753][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2881.221753][ T74] ___sys_sendmsg+0xee/0x170 [ 2881.221753][ T74] __sys_sendmsg+0xcd/0x170 [ 2881.221753][ T74] do_syscall_64+0xc6/0x1e0 [ 2881.221753][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2881.221753][ T74] [ 2881.223995][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2881.223995][ T74] netdev_get_by_index+0x5e/0x80 [ 2881.223995][ T74] fib6_nh_init+0x3d8/0x1580 [ 2881.223995][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2881.223995][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2881.223995][ T74] ipv6_add_addr+0x411/0x2000 [ 2881.223995][ T74] inet6_addr_add+0x30e/0xa40 [ 2881.223995][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2881.223995][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.223995][ T74] netlink_rcv_skb+0x130/0x360 [ 2881.223995][ T74] netlink_unicast+0x449/0x710 [ 2881.223995][ T74] netlink_sendmsg+0x723/0xbe0 [ 2881.223995][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2881.223995][ T74] ___sys_sendmsg+0xee/0x170 [ 2881.223995][ T74] __sys_sendmsg+0xcd/0x170 [ 2881.223995][ T74] do_syscall_64+0xc6/0x1e0 [ 2881.223995][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2881.223995][ T74] [ 2881.226233][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2881.226233][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2881.226233][ T74] ipv6_find_idev+0x102/0x170 [ 2881.226233][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2881.226233][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.226233][ T74] netlink_rcv_skb+0x130/0x360 [ 2881.226233][ T74] netlink_unicast+0x449/0x710 [ 2881.226233][ T74] netlink_sendmsg+0x723/0xbe0 [ 2881.226233][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2881.226233][ T74] ___sys_sendmsg+0xee/0x170 [ 2881.226233][ T74] __sys_sendmsg+0xcd/0x170 [ 2881.226233][ T74] do_syscall_64+0xc6/0x1e0 [ 2881.226233][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2881.226233][ T74] [ 2881.227885][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2881.227885][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2881.227885][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2881.227885][ T74] ipv6_find_idev+0x102/0x170 [ 2881.227885][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2881.227885][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.227885][ T74] netlink_rcv_skb+0x130/0x360 [ 2881.227885][ T74] netlink_unicast+0x449/0x710 [ 2881.227885][ T74] netlink_sendmsg+0x723/0xbe0 [ 2881.227885][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2881.227885][ T74] ___sys_sendmsg+0xee/0x170 [ 2881.227885][ T74] __sys_sendmsg+0xcd/0x170 [ 2881.227885][ T74] do_syscall_64+0xc6/0x1e0 [ 2881.227885][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2881.227885][ T74] [ 2891.471927][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2891.472370][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2891.472370][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2891.472370][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2891.472370][ T74] fib6_nh_init+0xa22/0x1580 [ 2891.472370][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2891.472370][ T74] ip6_route_add+0x1c/0x140 [ 2891.472370][ T74] inet6_rtm_newroute+0x104/0x110 [ 2891.472370][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2891.472370][ T74] netlink_rcv_skb+0x130/0x360 [ 2891.472370][ T74] netlink_unicast+0x449/0x710 [ 2891.472370][ T74] netlink_sendmsg+0x723/0xbe0 [ 2891.472370][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2891.472370][ T74] ___sys_sendmsg+0xee/0x170 [ 2891.472370][ T74] __sys_sendmsg+0xcd/0x170 [ 2891.472370][ T74] do_syscall_64+0xc6/0x1e0 [ 2891.472370][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2891.472370][ T74] [ 2891.474365][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2891.474365][ T74] netdev_get_by_index+0x5e/0x80 [ 2891.474365][ T74] fib6_nh_init+0x3d8/0x1580 [ 2891.474365][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2891.474365][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2891.474365][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2891.474365][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2891.474365][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2891.474365][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2891.474365][ T74] addrconf_dad_begin+0x310/0x670 [ 2891.474365][ T74] addrconf_dad_work+0x10b/0xab0 [ 2891.474365][ T74] process_one_work+0x84d/0x18a0 [ 2891.474365][ T74] worker_thread+0x587/0xd30 [ 2891.474365][ T74] kthread+0x28a/0x350 [ 2891.474365][ T74] ret_from_fork+0x31/0x70 [ 2891.474365][ T74] ret_from_fork_asm+0x1a/0x30 [ 2891.474365][ T74] [ 2891.476270][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2891.476270][ T74] netdev_get_by_index+0x5e/0x80 [ 2891.476270][ T74] fib6_nh_init+0x3d8/0x1580 [ 2891.476270][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2891.476270][ T74] ip6_route_add+0x1c/0x140 [ 2891.476270][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2891.476270][ T74] inet6_addr_add+0x4f8/0xa40 [ 2891.476270][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2891.476270][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2891.476270][ T74] netlink_rcv_skb+0x130/0x360 [ 2891.476270][ T74] netlink_unicast+0x449/0x710 [ 2891.476270][ T74] netlink_sendmsg+0x723/0xbe0 [ 2891.476270][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2891.476270][ T74] ___sys_sendmsg+0xee/0x170 [ 2891.476270][ T74] __sys_sendmsg+0xcd/0x170 [ 2891.476270][ T74] do_syscall_64+0xc6/0x1e0 [ 2891.476270][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2891.476270][ T74] [ 2891.478251][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2891.478251][ T74] netdev_get_by_index+0x5e/0x80 [ 2891.478251][ T74] fib6_nh_init+0x3d8/0x1580 [ 2891.478251][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2891.478251][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2891.478251][ T74] ipv6_add_addr+0x411/0x2000 [ 2891.478251][ T74] inet6_addr_add+0x30e/0xa40 [ 2891.478251][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2891.478251][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2891.478251][ T74] netlink_rcv_skb+0x130/0x360 [ 2891.478251][ T74] netlink_unicast+0x449/0x710 [ 2891.478251][ T74] netlink_sendmsg+0x723/0xbe0 [ 2891.478251][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2891.478251][ T74] ___sys_sendmsg+0xee/0x170 [ 2891.478251][ T74] __sys_sendmsg+0xcd/0x170 [ 2891.478251][ T74] do_syscall_64+0xc6/0x1e0 [ 2891.478251][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2891.478251][ T74] [ 2891.480236][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2891.480236][ T74] netdev_get_by_index+0x5e/0x80 [ 2891.480236][ T74] fib6_nh_init+0x3d8/0x1580 [ 2891.480236][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2891.480236][ T74] ip6_route_add+0x1c/0x140 [ 2891.480236][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2891.480236][ T74] addrconf_add_dev+0xe2/0x170 [ 2891.480236][ T74] inet6_addr_add+0x12f/0xa40 [ 2891.480236][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2891.480236][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2891.480236][ T74] netlink_rcv_skb+0x130/0x360 [ 2891.480236][ T74] netlink_unicast+0x449/0x710 [ 2891.480236][ T74] netlink_sendmsg+0x723/0xbe0 [ 2891.480236][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2891.480236][ T74] ___sys_sendmsg+0xee/0x170 [ 2891.480236][ T74] __sys_sendmsg+0xcd/0x170 [ 2891.480236][ T74] do_syscall_64+0xc6/0x1e0 [ 2891.480236][ T74] [ 2891.482194][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2891.482194][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2891.482194][ T74] ipv6_find_idev+0x102/0x170 [ 2891.482194][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2891.482194][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2891.482194][ T74] netlink_rcv_skb+0x130/0x360 [ 2891.482194][ T74] netlink_unicast+0x449/0x710 [ 2891.482194][ T74] netlink_sendmsg+0x723/0xbe0 [ 2891.482194][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2891.482194][ T74] ___sys_sendmsg+0xee/0x170 [ 2891.482194][ T74] __sys_sendmsg+0xcd/0x170 [ 2891.482194][ T74] do_syscall_64+0xc6/0x1e0 [ 2891.482194][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2891.482194][ T74] [ 2891.483748][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2891.483748][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2891.483748][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2891.483748][ T74] ipv6_find_idev+0x102/0x170 [ 2891.483748][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2891.483748][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2891.483748][ T74] netlink_rcv_skb+0x130/0x360 [ 2891.483748][ T74] netlink_unicast+0x449/0x710 [ 2891.483748][ T74] netlink_sendmsg+0x723/0xbe0 [ 2891.483748][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2891.483748][ T74] ___sys_sendmsg+0xee/0x170 [ 2891.483748][ T74] __sys_sendmsg+0xcd/0x170 [ 2891.483748][ T74] do_syscall_64+0xc6/0x1e0 [ 2891.483748][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2891.483748][ T74] [ 2891.485437][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2891.485715][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2891.485715][ T74] dst_init+0x84/0x4a0 [ 2891.485715][ T74] dst_alloc+0x97/0x150 [ 2891.485715][ T74] ip6_dst_alloc+0x23/0x90 [ 2891.485715][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2891.485715][ T74] ip6_pol_route+0x56f/0x840 [ 2891.485715][ T74] fib6_rule_lookup+0x456/0x630 [ 2891.485715][ T74] ip6_route_input+0x59c/0xa50 [ 2891.485715][ T74] ipv6_rcv+0x397/0x810 [ 2891.485715][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2891.485715][ T74] process_backlog+0x101/0x620 [ 2891.485715][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2891.485715][ T74] net_rx_action+0x495/0xbe0 [ 2891.485715][ T74] __do_softirq+0x1b5/0x7f6 [ 2891.485715][ T74] [ 2891.487337][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2891.487337][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2891.487337][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2891.487337][ T74] fib6_nh_init+0xa22/0x1580 [ 2891.487337][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2891.487337][ T74] ip6_route_add+0x1c/0x140 [ 2891.487337][ T74] inet6_rtm_newroute+0x104/0x110 [ 2891.487337][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2891.487337][ T74] netlink_rcv_skb+0x130/0x360 [ 2891.487337][ T74] netlink_unicast+0x449/0x710 [ 2891.487337][ T74] netlink_sendmsg+0x723/0xbe0 [ 2891.487337][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2891.487337][ T74] ___sys_sendmsg+0xee/0x170 [ 2891.487337][ T74] __sys_sendmsg+0xcd/0x170 [ 2891.487337][ T74] do_syscall_64+0xc6/0x1e0 [ 2891.487337][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2891.487337][ T74] [ 2891.489222][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2891.489222][ T74] netdev_get_by_index+0x5e/0x80 [ 2891.489222][ T74] fib6_nh_init+0x3d8/0x1580 [ 2891.489222][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2891.489222][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2891.489222][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2891.489222][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2891.489222][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2891.489222][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2891.489222][ T74] addrconf_dad_begin+0x310/0x670 [ 2891.489222][ T74] addrconf_dad_work+0x10b/0xab0 [ 2891.489222][ T74] process_one_work+0x84d/0x18a0 [ 2891.489222][ T74] worker_thread+0x587/0xd30 [ 2891.489222][ T74] kthread+0x28a/0x350 [ 2891.489222][ T74] ret_from_fork+0x31/0x70 [ 2891.489222][ T74] ret_from_fork_asm+0x1a/0x30 [ 2891.489222][ T74] [ 2891.491120][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2891.491120][ T74] netdev_get_by_index+0x5e/0x80 [ 2891.491120][ T74] fib6_nh_init+0x3d8/0x1580 [ 2891.491120][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2891.491120][ T74] ip6_route_add+0x1c/0x140 [ 2891.491120][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2891.491120][ T74] inet6_addr_add+0x4f8/0xa40 [ 2891.491120][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2891.491120][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2891.491120][ T74] netlink_rcv_skb+0x130/0x360 [ 2891.491120][ T74] netlink_unicast+0x449/0x710 [ 2891.491120][ T74] netlink_sendmsg+0x723/0xbe0 [ 2891.491120][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2891.491120][ T74] ___sys_sendmsg+0xee/0x170 [ 2891.491120][ T74] __sys_sendmsg+0xcd/0x170 [ 2891.491120][ T74] do_syscall_64+0xc6/0x1e0 [ 2891.491120][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2891.491120][ T74] [ 2891.493109][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2891.493109][ T74] netdev_get_by_index+0x5e/0x80 [ 2891.493109][ T74] fib6_nh_init+0x3d8/0x1580 [ 2891.493109][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2891.493109][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2891.493109][ T74] ipv6_add_addr+0x411/0x2000 [ 2891.493109][ T74] inet6_addr_add+0x30e/0xa40 [ 2891.493109][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2891.493109][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2891.493109][ T74] netlink_rcv_skb+0x130/0x360 [ 2891.493109][ T74] netlink_unicast+0x449/0x710 [ 2891.493109][ T74] netlink_sendmsg+0x723/0xbe0 [ 2891.493109][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2891.493109][ T74] ___sys_sendmsg+0xee/0x170 [ 2891.493109][ T74] __sys_sendmsg+0xcd/0x170 [ 2891.493109][ T74] do_syscall_64+0xc6/0x1e0 [ 2891.493109][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2891.493109][ T74] [ 2891.495113][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2891.495113][ T74] netdev_get_by_index+0x5e/0x80 [ 2891.495113][ T74] fib6_nh_init+0x3d8/0x1580 [ 2891.495113][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2891.495113][ T74] ip6_route_add+0x1c/0x140 [ 2891.495113][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2891.495113][ T74] addrconf_add_dev+0xe2/0x170 [ 2891.495113][ T74] inet6_addr_add+0x12f/0xa40 [ 2891.495113][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2891.495113][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2891.495113][ T74] netlink_rcv_skb+0x130/0x360 [ 2891.495113][ T74] netlink_unicast+0x449/0x710 [ 2891.495113][ T74] netlink_sendmsg+0x723/0xbe0 [ 2891.495113][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2891.495113][ T74] ___sys_sendmsg+0xee/0x170 [ 2891.495113][ T74] __sys_sendmsg+0xcd/0x170 [ 2891.495113][ T74] do_syscall_64+0xc6/0x1e0 [ 2891.495113][ T74] [ 2891.497054][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2891.497054][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2891.497054][ T74] ipv6_find_idev+0x102/0x170 [ 2891.497054][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2891.497054][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2891.497054][ T74] netlink_rcv_skb+0x130/0x360 [ 2891.497054][ T74] netlink_unicast+0x449/0x710 [ 2891.497054][ T74] netlink_sendmsg+0x723/0xbe0 [ 2891.497054][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2891.497054][ T74] ___sys_sendmsg+0xee/0x170 [ 2891.497054][ T74] __sys_sendmsg+0xcd/0x170 [ 2891.497054][ T74] do_syscall_64+0xc6/0x1e0 [ 2891.497054][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2891.497054][ T74] [ 2891.498637][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2891.498637][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2891.498637][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2891.498637][ T74] ipv6_find_idev+0x102/0x170 [ 2891.498637][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2891.498637][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2891.498637][ T74] netlink_rcv_skb+0x130/0x360 [ 2891.498637][ T74] netlink_unicast+0x449/0x710 [ 2891.498637][ T74] netlink_sendmsg+0x723/0xbe0 [ 2891.498637][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2891.498637][ T74] ___sys_sendmsg+0xee/0x170 [ 2891.498637][ T74] __sys_sendmsg+0xcd/0x170 [ 2891.498637][ T74] do_syscall_64+0xc6/0x1e0 [ 2891.498637][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2891.498637][ T74] [ 2891.500605][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2891.500960][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2891.500960][ T74] netdev_get_by_index+0x5e/0x80 [ 2891.500960][ T74] fib6_nh_init+0x3d8/0x1580 [ 2891.500960][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2891.500960][ T74] ip6_route_add+0x1c/0x140 [ 2891.500960][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2891.500960][ T74] inet6_addr_add+0x4f8/0xa40 [ 2891.500960][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2891.500960][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2891.500960][ T74] netlink_rcv_skb+0x130/0x360 [ 2891.500960][ T74] netlink_unicast+0x449/0x710 [ 2891.500960][ T74] netlink_sendmsg+0x723/0xbe0 [ 2891.500960][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2891.500960][ T74] ___sys_sendmsg+0xee/0x170 [ 2891.500960][ T74] __sys_sendmsg+0xcd/0x170 [ 2891.500960][ T74] do_syscall_64+0xc6/0x1e0 [ 2891.500960][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2891.500960][ T74] [ 2891.503206][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2891.503206][ T74] netdev_get_by_index+0x5e/0x80 [ 2891.503206][ T74] fib6_nh_init+0x3d8/0x1580 [ 2891.503206][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2891.503206][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2891.503206][ T74] ipv6_add_addr+0x411/0x2000 [ 2891.503206][ T74] inet6_addr_add+0x30e/0xa40 [ 2891.503206][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2891.503206][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2891.503206][ T74] netlink_rcv_skb+0x130/0x360 [ 2891.503206][ T74] netlink_unicast+0x449/0x710 [ 2891.503206][ T74] netlink_sendmsg+0x723/0xbe0 [ 2891.503206][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2891.503206][ T74] ___sys_sendmsg+0xee/0x170 [ 2891.503206][ T74] __sys_sendmsg+0xcd/0x170 [ 2891.503206][ T74] do_syscall_64+0xc6/0x1e0 [ 2891.503206][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2891.503206][ T74] [ 2891.505453][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2891.505453][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2891.505453][ T74] ipv6_find_idev+0x102/0x170 [ 2891.505453][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2891.505453][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2891.505453][ T74] netlink_rcv_skb+0x130/0x360 [ 2891.505453][ T74] netlink_unicast+0x449/0x710 [ 2891.505453][ T74] netlink_sendmsg+0x723/0xbe0 [ 2891.505453][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2891.505453][ T74] ___sys_sendmsg+0xee/0x170 [ 2891.505453][ T74] __sys_sendmsg+0xcd/0x170 [ 2891.505453][ T74] do_syscall_64+0xc6/0x1e0 [ 2891.505453][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2891.505453][ T74] [ 2891.507042][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2891.507042][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2891.507042][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2891.507042][ T74] ipv6_find_idev+0x102/0x170 [ 2891.507042][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2891.507042][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2891.507042][ T74] netlink_rcv_skb+0x130/0x360 [ 2891.507042][ T74] netlink_unicast+0x449/0x710 [ 2891.507042][ T74] netlink_sendmsg+0x723/0xbe0 [ 2891.507042][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2891.507042][ T74] ___sys_sendmsg+0xee/0x170 [ 2891.507042][ T74] __sys_sendmsg+0xcd/0x170 [ 2891.507042][ T74] do_syscall_64+0xc6/0x1e0 [ 2891.507042][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2891.507042][ T74] [ 2901.567979][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2901.568371][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2901.568371][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2901.568371][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2901.568371][ T74] fib6_nh_init+0xa22/0x1580 [ 2901.568371][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2901.568371][ T74] ip6_route_add+0x1c/0x140 [ 2901.568371][ T74] inet6_rtm_newroute+0x104/0x110 [ 2901.568371][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2901.568371][ T74] netlink_rcv_skb+0x130/0x360 [ 2901.568371][ T74] netlink_unicast+0x449/0x710 [ 2901.568371][ T74] netlink_sendmsg+0x723/0xbe0 [ 2901.568371][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2901.568371][ T74] ___sys_sendmsg+0xee/0x170 [ 2901.568371][ T74] __sys_sendmsg+0xcd/0x170 [ 2901.568371][ T74] do_syscall_64+0xc6/0x1e0 [ 2901.568371][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2901.568371][ T74] [ 2901.570790][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2901.570790][ T74] netdev_get_by_index+0x5e/0x80 [ 2901.570790][ T74] fib6_nh_init+0x3d8/0x1580 [ 2901.570790][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2901.570790][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2901.570790][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2901.570790][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2901.570790][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2901.570790][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2901.570790][ T74] addrconf_dad_begin+0x310/0x670 [ 2901.570790][ T74] addrconf_dad_work+0x10b/0xab0 [ 2901.570790][ T74] process_one_work+0x84d/0x18a0 [ 2901.570790][ T74] worker_thread+0x587/0xd30 [ 2901.570790][ T74] kthread+0x28a/0x350 [ 2901.570790][ T74] ret_from_fork+0x31/0x70 [ 2901.570790][ T74] ret_from_fork_asm+0x1a/0x30 [ 2901.570790][ T74] [ 2901.572709][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2901.572709][ T74] netdev_get_by_index+0x5e/0x80 [ 2901.572709][ T74] fib6_nh_init+0x3d8/0x1580 [ 2901.572709][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2901.572709][ T74] ip6_route_add+0x1c/0x140 [ 2901.572709][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2901.572709][ T74] inet6_addr_add+0x4f8/0xa40 [ 2901.572709][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2901.572709][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2901.572709][ T74] netlink_rcv_skb+0x130/0x360 [ 2901.572709][ T74] netlink_unicast+0x449/0x710 [ 2901.572709][ T74] netlink_sendmsg+0x723/0xbe0 [ 2901.572709][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2901.572709][ T74] ___sys_sendmsg+0xee/0x170 [ 2901.572709][ T74] __sys_sendmsg+0xcd/0x170 [ 2901.572709][ T74] do_syscall_64+0xc6/0x1e0 [ 2901.572709][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2901.572709][ T74] [ 2901.574735][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2901.574735][ T74] netdev_get_by_index+0x5e/0x80 [ 2901.574735][ T74] fib6_nh_init+0x3d8/0x1580 [ 2901.574735][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2901.574735][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2901.574735][ T74] ipv6_add_addr+0x411/0x2000 [ 2901.574735][ T74] inet6_addr_add+0x30e/0xa40 [ 2901.574735][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2901.574735][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2901.574735][ T74] netlink_rcv_skb+0x130/0x360 [ 2901.574735][ T74] netlink_unicast+0x449/0x710 [ 2901.574735][ T74] netlink_sendmsg+0x723/0xbe0 [ 2901.574735][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2901.574735][ T74] ___sys_sendmsg+0xee/0x170 [ 2901.574735][ T74] __sys_sendmsg+0xcd/0x170 [ 2901.574735][ T74] do_syscall_64+0xc6/0x1e0 [ 2901.574735][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2901.574735][ T74] [ 2901.576745][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2901.576745][ T74] netdev_get_by_index+0x5e/0x80 [ 2901.576745][ T74] fib6_nh_init+0x3d8/0x1580 [ 2901.576745][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2901.576745][ T74] ip6_route_add+0x1c/0x140 [ 2901.576745][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2901.576745][ T74] addrconf_add_dev+0xe2/0x170 [ 2901.576745][ T74] inet6_addr_add+0x12f/0xa40 [ 2901.576745][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2901.576745][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2901.576745][ T74] netlink_rcv_skb+0x130/0x360 [ 2901.576745][ T74] netlink_unicast+0x449/0x710 [ 2901.576745][ T74] netlink_sendmsg+0x723/0xbe0 [ 2901.576745][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2901.576745][ T74] ___sys_sendmsg+0xee/0x170 [ 2901.576745][ T74] __sys_sendmsg+0xcd/0x170 [ 2901.576745][ T74] do_syscall_64+0xc6/0x1e0 [ 2901.576745][ T74] [ 2901.578716][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2901.578716][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2901.578716][ T74] ipv6_find_idev+0x102/0x170 [ 2901.578716][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2901.578716][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2901.578716][ T74] netlink_rcv_skb+0x130/0x360 [ 2901.578716][ T74] netlink_unicast+0x449/0x710 [ 2901.578716][ T74] netlink_sendmsg+0x723/0xbe0 [ 2901.578716][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2901.578716][ T74] ___sys_sendmsg+0xee/0x170 [ 2901.578716][ T74] __sys_sendmsg+0xcd/0x170 [ 2901.578716][ T74] do_syscall_64+0xc6/0x1e0 [ 2901.578716][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2901.578716][ T74] [ 2901.580286][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2901.580286][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2901.580286][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2901.580286][ T74] ipv6_find_idev+0x102/0x170 [ 2901.580286][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2901.580286][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2901.580286][ T74] netlink_rcv_skb+0x130/0x360 [ 2901.580286][ T74] netlink_unicast+0x449/0x710 [ 2901.580286][ T74] netlink_sendmsg+0x723/0xbe0 [ 2901.580286][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2901.580286][ T74] ___sys_sendmsg+0xee/0x170 [ 2901.580286][ T74] __sys_sendmsg+0xcd/0x170 [ 2901.580286][ T74] do_syscall_64+0xc6/0x1e0 [ 2901.580286][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2901.580286][ T74] [ 2901.581972][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2901.582243][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2901.582243][ T74] dst_init+0x84/0x4a0 [ 2901.582243][ T74] dst_alloc+0x97/0x150 [ 2901.582243][ T74] ip6_dst_alloc+0x23/0x90 [ 2901.582243][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2901.582243][ T74] ip6_pol_route+0x56f/0x840 [ 2901.582243][ T74] fib6_rule_lookup+0x456/0x630 [ 2901.582243][ T74] ip6_route_input+0x59c/0xa50 [ 2901.582243][ T74] ipv6_rcv+0x397/0x810 [ 2901.582243][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2901.582243][ T74] process_backlog+0x101/0x620 [ 2901.582243][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2901.582243][ T74] net_rx_action+0x495/0xbe0 [ 2901.582243][ T74] __do_softirq+0x1b5/0x7f6 [ 2901.582243][ T74] [ 2901.584287][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2901.584287][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2901.584287][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2901.584287][ T74] fib6_nh_init+0xa22/0x1580 [ 2901.584287][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2901.584287][ T74] ip6_route_add+0x1c/0x140 [ 2901.584287][ T74] inet6_rtm_newroute+0x104/0x110 [ 2901.584287][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2901.584287][ T74] netlink_rcv_skb+0x130/0x360 [ 2901.584287][ T74] netlink_unicast+0x449/0x710 [ 2901.584287][ T74] netlink_sendmsg+0x723/0xbe0 [ 2901.584287][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2901.584287][ T74] ___sys_sendmsg+0xee/0x170 [ 2901.584287][ T74] __sys_sendmsg+0xcd/0x170 [ 2901.584287][ T74] do_syscall_64+0xc6/0x1e0 [ 2901.584287][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2901.584287][ T74] [ 2901.586159][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2901.586159][ T74] netdev_get_by_index+0x5e/0x80 [ 2901.586159][ T74] fib6_nh_init+0x3d8/0x1580 [ 2901.586159][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2901.586159][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2901.586159][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2901.586159][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2901.586159][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2901.586159][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2901.586159][ T74] addrconf_dad_begin+0x310/0x670 [ 2901.586159][ T74] addrconf_dad_work+0x10b/0xab0 [ 2901.586159][ T74] process_one_work+0x84d/0x18a0 [ 2901.586159][ T74] worker_thread+0x587/0xd30 [ 2901.586159][ T74] kthread+0x28a/0x350 [ 2901.586159][ T74] ret_from_fork+0x31/0x70 [ 2901.586159][ T74] ret_from_fork_asm+0x1a/0x30 [ 2901.586159][ T74] [ 2901.588053][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2901.588053][ T74] netdev_get_by_index+0x5e/0x80 [ 2901.588053][ T74] fib6_nh_init+0x3d8/0x1580 [ 2901.588053][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2901.588053][ T74] ip6_route_add+0x1c/0x140 [ 2901.588053][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2901.588053][ T74] inet6_addr_add+0x4f8/0xa40 [ 2901.588053][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2901.588053][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2901.588053][ T74] netlink_rcv_skb+0x130/0x360 [ 2901.588053][ T74] netlink_unicast+0x449/0x710 [ 2901.588053][ T74] netlink_sendmsg+0x723/0xbe0 [ 2901.588053][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2901.588053][ T74] ___sys_sendmsg+0xee/0x170 [ 2901.588053][ T74] __sys_sendmsg+0xcd/0x170 [ 2901.588053][ T74] do_syscall_64+0xc6/0x1e0 [ 2901.588053][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2901.588053][ T74] [ 2901.590039][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2901.590039][ T74] netdev_get_by_index+0x5e/0x80 [ 2901.590039][ T74] fib6_nh_init+0x3d8/0x1580 [ 2901.590039][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2901.590039][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2901.590039][ T74] ipv6_add_addr+0x411/0x2000 [ 2901.590039][ T74] inet6_addr_add+0x30e/0xa40 [ 2901.590039][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2901.590039][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2901.590039][ T74] netlink_rcv_skb+0x130/0x360 [ 2901.590039][ T74] netlink_unicast+0x449/0x710 [ 2901.590039][ T74] netlink_sendmsg+0x723/0xbe0 [ 2901.590039][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2901.590039][ T74] ___sys_sendmsg+0xee/0x170 [ 2901.590039][ T74] __sys_sendmsg+0xcd/0x170 [ 2901.590039][ T74] do_syscall_64+0xc6/0x1e0 [ 2901.590039][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2901.590039][ T74] [ 2901.592023][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2901.592023][ T74] netdev_get_by_index+0x5e/0x80 [ 2901.592023][ T74] fib6_nh_init+0x3d8/0x1580 [ 2901.592023][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2901.592023][ T74] ip6_route_add+0x1c/0x140 [ 2901.592023][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2901.592023][ T74] addrconf_add_dev+0xe2/0x170 [ 2901.592023][ T74] inet6_addr_add+0x12f/0xa40 [ 2901.592023][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2901.592023][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2901.592023][ T74] netlink_rcv_skb+0x130/0x360 [ 2901.592023][ T74] netlink_unicast+0x449/0x710 [ 2901.592023][ T74] netlink_sendmsg+0x723/0xbe0 [ 2901.592023][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2901.592023][ T74] ___sys_sendmsg+0xee/0x170 [ 2901.592023][ T74] __sys_sendmsg+0xcd/0x170 [ 2901.592023][ T74] do_syscall_64+0xc6/0x1e0 [ 2901.592023][ T74] [ 2901.593985][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2901.593985][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2901.593985][ T74] ipv6_find_idev+0x102/0x170 [ 2901.593985][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2901.593985][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2901.593985][ T74] netlink_rcv_skb+0x130/0x360 [ 2901.593985][ T74] netlink_unicast+0x449/0x710 [ 2901.593985][ T74] netlink_sendmsg+0x723/0xbe0 [ 2901.593985][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2901.593985][ T74] ___sys_sendmsg+0xee/0x170 [ 2901.593985][ T74] __sys_sendmsg+0xcd/0x170 [ 2901.593985][ T74] do_syscall_64+0xc6/0x1e0 [ 2901.593985][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2901.593985][ T74] [ 2901.595719][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2901.595719][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2901.595719][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2901.595719][ T74] ipv6_find_idev+0x102/0x170 [ 2901.595719][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2901.595719][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2901.595719][ T74] netlink_rcv_skb+0x130/0x360 [ 2901.595719][ T74] netlink_unicast+0x449/0x710 [ 2901.595719][ T74] netlink_sendmsg+0x723/0xbe0 [ 2901.595719][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2901.595719][ T74] ___sys_sendmsg+0xee/0x170 [ 2901.595719][ T74] __sys_sendmsg+0xcd/0x170 [ 2901.595719][ T74] do_syscall_64+0xc6/0x1e0 [ 2901.595719][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2901.595719][ T74] [ 2901.597580][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2901.597817][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2901.597817][ T74] netdev_get_by_index+0x5e/0x80 [ 2901.597817][ T74] fib6_nh_init+0x3d8/0x1580 [ 2901.597817][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2901.597817][ T74] ip6_route_add+0x1c/0x140 [ 2901.597817][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2901.597817][ T74] inet6_addr_add+0x4f8/0xa40 [ 2901.597817][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2901.597817][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2901.597817][ T74] netlink_rcv_skb+0x130/0x360 [ 2901.597817][ T74] netlink_unicast+0x449/0x710 [ 2901.597817][ T74] netlink_sendmsg+0x723/0xbe0 [ 2901.597817][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2901.597817][ T74] ___sys_sendmsg+0xee/0x170 [ 2901.597817][ T74] __sys_sendmsg+0xcd/0x170 [ 2901.597817][ T74] do_syscall_64+0xc6/0x1e0 [ 2901.597817][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2901.597817][ T74] [ 2901.600041][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2901.600041][ T74] netdev_get_by_index+0x5e/0x80 [ 2901.600041][ T74] fib6_nh_init+0x3d8/0x1580 [ 2901.600041][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2901.600041][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2901.600041][ T74] ipv6_add_addr+0x411/0x2000 [ 2901.600041][ T74] inet6_addr_add+0x30e/0xa40 [ 2901.600041][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2901.600041][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2901.600041][ T74] netlink_rcv_skb+0x130/0x360 [ 2901.600041][ T74] netlink_unicast+0x449/0x710 [ 2901.600041][ T74] netlink_sendmsg+0x723/0xbe0 [ 2901.600041][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2901.600041][ T74] ___sys_sendmsg+0xee/0x170 [ 2901.600041][ T74] __sys_sendmsg+0xcd/0x170 [ 2901.600041][ T74] do_syscall_64+0xc6/0x1e0 [ 2901.600041][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2901.600041][ T74] [ 2901.602321][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2901.602321][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2901.602321][ T74] ipv6_find_idev+0x102/0x170 [ 2901.602321][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2901.602321][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2901.602321][ T74] netlink_rcv_skb+0x130/0x360 [ 2901.602321][ T74] netlink_unicast+0x449/0x710 [ 2901.602321][ T74] netlink_sendmsg+0x723/0xbe0 [ 2901.602321][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2901.602321][ T74] ___sys_sendmsg+0xee/0x170 [ 2901.602321][ T74] __sys_sendmsg+0xcd/0x170 [ 2901.602321][ T74] do_syscall_64+0xc6/0x1e0 [ 2901.602321][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2901.602321][ T74] [ 2901.604032][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2901.604032][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2901.604032][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2901.604032][ T74] ipv6_find_idev+0x102/0x170 [ 2901.604032][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2901.604032][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2901.604032][ T74] netlink_rcv_skb+0x130/0x360 [ 2901.604032][ T74] netlink_unicast+0x449/0x710 [ 2901.604032][ T74] netlink_sendmsg+0x723/0xbe0 [ 2901.604032][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2901.604032][ T74] ___sys_sendmsg+0xee/0x170 [ 2901.604032][ T74] __sys_sendmsg+0xcd/0x170 [ 2901.604032][ T74] do_syscall_64+0xc6/0x1e0 [ 2901.604032][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2901.604032][ T74] [ 2911.847890][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2911.848332][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2911.848332][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2911.848332][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2911.848332][ T74] fib6_nh_init+0xa22/0x1580 [ 2911.848332][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2911.848332][ T74] ip6_route_add+0x1c/0x140 [ 2911.848332][ T74] inet6_rtm_newroute+0x104/0x110 [ 2911.848332][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2911.848332][ T74] netlink_rcv_skb+0x130/0x360 [ 2911.848332][ T74] netlink_unicast+0x449/0x710 [ 2911.848332][ T74] netlink_sendmsg+0x723/0xbe0 [ 2911.848332][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2911.848332][ T74] ___sys_sendmsg+0xee/0x170 [ 2911.848332][ T74] __sys_sendmsg+0xcd/0x170 [ 2911.848332][ T74] do_syscall_64+0xc6/0x1e0 [ 2911.848332][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2911.848332][ T74] [ 2911.850321][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2911.850321][ T74] netdev_get_by_index+0x5e/0x80 [ 2911.850321][ T74] fib6_nh_init+0x3d8/0x1580 [ 2911.850321][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2911.850321][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2911.850321][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2911.850321][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2911.850321][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2911.850321][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2911.850321][ T74] addrconf_dad_begin+0x310/0x670 [ 2911.850321][ T74] addrconf_dad_work+0x10b/0xab0 [ 2911.850321][ T74] process_one_work+0x84d/0x18a0 [ 2911.850321][ T74] worker_thread+0x587/0xd30 [ 2911.850321][ T74] kthread+0x28a/0x350 [ 2911.850321][ T74] ret_from_fork+0x31/0x70 [ 2911.850321][ T74] ret_from_fork_asm+0x1a/0x30 [ 2911.850321][ T74] [ 2911.852393][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2911.852393][ T74] netdev_get_by_index+0x5e/0x80 [ 2911.852393][ T74] fib6_nh_init+0x3d8/0x1580 [ 2911.852393][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2911.852393][ T74] ip6_route_add+0x1c/0x140 [ 2911.852393][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2911.852393][ T74] inet6_addr_add+0x4f8/0xa40 [ 2911.852393][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2911.852393][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2911.852393][ T74] netlink_rcv_skb+0x130/0x360 [ 2911.852393][ T74] netlink_unicast+0x449/0x710 [ 2911.852393][ T74] netlink_sendmsg+0x723/0xbe0 [ 2911.852393][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2911.852393][ T74] ___sys_sendmsg+0xee/0x170 [ 2911.852393][ T74] __sys_sendmsg+0xcd/0x170 [ 2911.852393][ T74] do_syscall_64+0xc6/0x1e0 [ 2911.852393][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2911.852393][ T74] [ 2911.854469][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2911.854469][ T74] netdev_get_by_index+0x5e/0x80 [ 2911.854469][ T74] fib6_nh_init+0x3d8/0x1580 [ 2911.854469][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2911.854469][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2911.854469][ T74] ipv6_add_addr+0x411/0x2000 [ 2911.854469][ T74] inet6_addr_add+0x30e/0xa40 [ 2911.854469][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2911.854469][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2911.854469][ T74] netlink_rcv_skb+0x130/0x360 [ 2911.854469][ T74] netlink_unicast+0x449/0x710 [ 2911.854469][ T74] netlink_sendmsg+0x723/0xbe0 [ 2911.854469][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2911.854469][ T74] ___sys_sendmsg+0xee/0x170 [ 2911.854469][ T74] __sys_sendmsg+0xcd/0x170 [ 2911.854469][ T74] do_syscall_64+0xc6/0x1e0 [ 2911.854469][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2911.854469][ T74] [ 2911.856590][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2911.856590][ T74] netdev_get_by_index+0x5e/0x80 [ 2911.856590][ T74] fib6_nh_init+0x3d8/0x1580 [ 2911.856590][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2911.856590][ T74] ip6_route_add+0x1c/0x140 [ 2911.856590][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2911.856590][ T74] addrconf_add_dev+0xe2/0x170 [ 2911.856590][ T74] inet6_addr_add+0x12f/0xa40 [ 2911.856590][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2911.856590][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2911.856590][ T74] netlink_rcv_skb+0x130/0x360 [ 2911.856590][ T74] netlink_unicast+0x449/0x710 [ 2911.856590][ T74] netlink_sendmsg+0x723/0xbe0 [ 2911.856590][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2911.856590][ T74] ___sys_sendmsg+0xee/0x170 [ 2911.856590][ T74] __sys_sendmsg+0xcd/0x170 [ 2911.856590][ T74] do_syscall_64+0xc6/0x1e0 [ 2911.856590][ T74] [ 2911.858667][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2911.858667][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2911.858667][ T74] ipv6_find_idev+0x102/0x170 [ 2911.858667][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2911.858667][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2911.858667][ T74] netlink_rcv_skb+0x130/0x360 [ 2911.858667][ T74] netlink_unicast+0x449/0x710 [ 2911.858667][ T74] netlink_sendmsg+0x723/0xbe0 [ 2911.858667][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2911.858667][ T74] ___sys_sendmsg+0xee/0x170 [ 2911.858667][ T74] __sys_sendmsg+0xcd/0x170 [ 2911.858667][ T74] do_syscall_64+0xc6/0x1e0 [ 2911.858667][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2911.858667][ T74] [ 2911.860319][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2911.860319][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2911.860319][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2911.860319][ T74] ipv6_find_idev+0x102/0x170 [ 2911.860319][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2911.860319][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2911.860319][ T74] netlink_rcv_skb+0x130/0x360 [ 2911.860319][ T74] netlink_unicast+0x449/0x710 [ 2911.860319][ T74] netlink_sendmsg+0x723/0xbe0 [ 2911.860319][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2911.860319][ T74] ___sys_sendmsg+0xee/0x170 [ 2911.860319][ T74] __sys_sendmsg+0xcd/0x170 [ 2911.860319][ T74] do_syscall_64+0xc6/0x1e0 [ 2911.860319][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2911.860319][ T74] [ 2911.862051][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2911.862326][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2911.862326][ T74] dst_init+0x84/0x4a0 [ 2911.862326][ T74] dst_alloc+0x97/0x150 [ 2911.862326][ T74] ip6_dst_alloc+0x23/0x90 [ 2911.862326][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2911.862326][ T74] ip6_pol_route+0x56f/0x840 [ 2911.862326][ T74] fib6_rule_lookup+0x456/0x630 [ 2911.862326][ T74] ip6_route_input+0x59c/0xa50 [ 2911.862326][ T74] ipv6_rcv+0x397/0x810 [ 2911.862326][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2911.862326][ T74] process_backlog+0x101/0x620 [ 2911.862326][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2911.862326][ T74] net_rx_action+0x495/0xbe0 [ 2911.862326][ T74] __do_softirq+0x1b5/0x7f6 [ 2911.862326][ T74] [ 2911.863981][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2911.863981][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2911.863981][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2911.863981][ T74] fib6_nh_init+0xa22/0x1580 [ 2911.863981][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2911.863981][ T74] ip6_route_add+0x1c/0x140 [ 2911.863981][ T74] inet6_rtm_newroute+0x104/0x110 [ 2911.863981][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2911.863981][ T74] netlink_rcv_skb+0x130/0x360 [ 2911.863981][ T74] netlink_unicast+0x449/0x710 [ 2911.863981][ T74] netlink_sendmsg+0x723/0xbe0 [ 2911.863981][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2911.863981][ T74] ___sys_sendmsg+0xee/0x170 [ 2911.863981][ T74] __sys_sendmsg+0xcd/0x170 [ 2911.863981][ T74] do_syscall_64+0xc6/0x1e0 [ 2911.863981][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2911.863981][ T74] [ 2911.865938][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2911.865938][ T74] netdev_get_by_index+0x5e/0x80 [ 2911.865938][ T74] fib6_nh_init+0x3d8/0x1580 [ 2911.865938][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2911.865938][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2911.865938][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2911.865938][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2911.865938][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2911.865938][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2911.865938][ T74] addrconf_dad_begin+0x310/0x670 [ 2911.865938][ T74] addrconf_dad_work+0x10b/0xab0 [ 2911.865938][ T74] process_one_work+0x84d/0x18a0 [ 2911.865938][ T74] worker_thread+0x587/0xd30 [ 2911.865938][ T74] kthread+0x28a/0x350 [ 2911.865938][ T74] ret_from_fork+0x31/0x70 [ 2911.865938][ T74] ret_from_fork_asm+0x1a/0x30 [ 2911.865938][ T74] [ 2911.868013][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2911.868013][ T74] netdev_get_by_index+0x5e/0x80 [ 2911.868013][ T74] fib6_nh_init+0x3d8/0x1580 [ 2911.868013][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2911.868013][ T74] ip6_route_add+0x1c/0x140 [ 2911.868013][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2911.868013][ T74] inet6_addr_add+0x4f8/0xa40 [ 2911.868013][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2911.868013][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2911.868013][ T74] netlink_rcv_skb+0x130/0x360 [ 2911.868013][ T74] netlink_unicast+0x449/0x710 [ 2911.868013][ T74] netlink_sendmsg+0x723/0xbe0 [ 2911.868013][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2911.868013][ T74] ___sys_sendmsg+0xee/0x170 [ 2911.868013][ T74] __sys_sendmsg+0xcd/0x170 [ 2911.868013][ T74] do_syscall_64+0xc6/0x1e0 [ 2911.868013][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2911.868013][ T74] [ 2911.870088][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2911.870088][ T74] netdev_get_by_index+0x5e/0x80 [ 2911.870088][ T74] fib6_nh_init+0x3d8/0x1580 [ 2911.870088][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2911.870088][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2911.870088][ T74] ipv6_add_addr+0x411/0x2000 [ 2911.870088][ T74] inet6_addr_add+0x30e/0xa40 [ 2911.870088][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2911.870088][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2911.870088][ T74] netlink_rcv_skb+0x130/0x360 [ 2911.870088][ T74] netlink_unicast+0x449/0x710 [ 2911.870088][ T74] netlink_sendmsg+0x723/0xbe0 [ 2911.870088][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2911.870088][ T74] ___sys_sendmsg+0xee/0x170 [ 2911.870088][ T74] __sys_sendmsg+0xcd/0x170 [ 2911.870088][ T74] do_syscall_64+0xc6/0x1e0 [ 2911.870088][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2911.870088][ T74] [ 2911.872203][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2911.872203][ T74] netdev_get_by_index+0x5e/0x80 [ 2911.872203][ T74] fib6_nh_init+0x3d8/0x1580 [ 2911.872203][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2911.872203][ T74] ip6_route_add+0x1c/0x140 [ 2911.872203][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2911.872203][ T74] addrconf_add_dev+0xe2/0x170 [ 2911.872203][ T74] inet6_addr_add+0x12f/0xa40 [ 2911.872203][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2911.872203][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2911.872203][ T74] netlink_rcv_skb+0x130/0x360 [ 2911.872203][ T74] netlink_unicast+0x449/0x710 [ 2911.872203][ T74] netlink_sendmsg+0x723/0xbe0 [ 2911.872203][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2911.872203][ T74] ___sys_sendmsg+0xee/0x170 [ 2911.872203][ T74] __sys_sendmsg+0xcd/0x170 [ 2911.872203][ T74] do_syscall_64+0xc6/0x1e0 [ 2911.872203][ T74] [ 2911.874281][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2911.874281][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2911.874281][ T74] ipv6_find_idev+0x102/0x170 [ 2911.874281][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2911.874281][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2911.874281][ T74] netlink_rcv_skb+0x130/0x360 [ 2911.874281][ T74] netlink_unicast+0x449/0x710 [ 2911.874281][ T74] netlink_sendmsg+0x723/0xbe0 [ 2911.874281][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2911.874281][ T74] ___sys_sendmsg+0xee/0x170 [ 2911.874281][ T74] __sys_sendmsg+0xcd/0x170 [ 2911.874281][ T74] do_syscall_64+0xc6/0x1e0 [ 2911.874281][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2911.874281][ T74] [ 2911.876165][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2911.876165][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2911.876165][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2911.876165][ T74] ipv6_find_idev+0x102/0x170 [ 2911.876165][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2911.876165][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2911.876165][ T74] netlink_rcv_skb+0x130/0x360 [ 2911.876165][ T74] netlink_unicast+0x449/0x710 [ 2911.876165][ T74] netlink_sendmsg+0x723/0xbe0 [ 2911.876165][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2911.876165][ T74] ___sys_sendmsg+0xee/0x170 [ 2911.876165][ T74] __sys_sendmsg+0xcd/0x170 [ 2911.876165][ T74] do_syscall_64+0xc6/0x1e0 [ 2911.876165][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2911.876165][ T74] [ 2911.878112][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2911.878363][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2911.878363][ T74] netdev_get_by_index+0x5e/0x80 [ 2911.878363][ T74] fib6_nh_init+0x3d8/0x1580 [ 2911.878363][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2911.878363][ T74] ip6_route_add+0x1c/0x140 [ 2911.878363][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2911.878363][ T74] inet6_addr_add+0x4f8/0xa40 [ 2911.878363][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2911.878363][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2911.878363][ T74] netlink_rcv_skb+0x130/0x360 [ 2911.878363][ T74] netlink_unicast+0x449/0x710 [ 2911.878363][ T74] netlink_sendmsg+0x723/0xbe0 [ 2911.878363][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2911.878363][ T74] ___sys_sendmsg+0xee/0x170 [ 2911.878363][ T74] __sys_sendmsg+0xcd/0x170 [ 2911.878363][ T74] do_syscall_64+0xc6/0x1e0 [ 2911.878363][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2911.878363][ T74] [ 2911.880672][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2911.880672][ T74] netdev_get_by_index+0x5e/0x80 [ 2911.880672][ T74] fib6_nh_init+0x3d8/0x1580 [ 2911.880672][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2911.880672][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2911.880672][ T74] ipv6_add_addr+0x411/0x2000 [ 2911.880672][ T74] inet6_addr_add+0x30e/0xa40 [ 2911.880672][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2911.880672][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2911.880672][ T74] netlink_rcv_skb+0x130/0x360 [ 2911.880672][ T74] netlink_unicast+0x449/0x710 [ 2911.880672][ T74] netlink_sendmsg+0x723/0xbe0 [ 2911.880672][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2911.880672][ T74] ___sys_sendmsg+0xee/0x170 [ 2911.880672][ T74] __sys_sendmsg+0xcd/0x170 [ 2911.880672][ T74] do_syscall_64+0xc6/0x1e0 [ 2911.880672][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2911.880672][ T74] [ 2911.882932][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2911.882932][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2911.882932][ T74] ipv6_find_idev+0x102/0x170 [ 2911.882932][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2911.882932][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2911.882932][ T74] netlink_rcv_skb+0x130/0x360 [ 2911.882932][ T74] netlink_unicast+0x449/0x710 [ 2911.882932][ T74] netlink_sendmsg+0x723/0xbe0 [ 2911.882932][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2911.882932][ T74] ___sys_sendmsg+0xee/0x170 [ 2911.882932][ T74] __sys_sendmsg+0xcd/0x170 [ 2911.882932][ T74] do_syscall_64+0xc6/0x1e0 [ 2911.882932][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2911.882932][ T74] [ 2911.884803][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2911.884803][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2911.884803][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2911.884803][ T74] ipv6_find_idev+0x102/0x170 [ 2911.884803][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2911.884803][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2911.884803][ T74] netlink_rcv_skb+0x130/0x360 [ 2911.884803][ T74] netlink_unicast+0x449/0x710 [ 2911.884803][ T74] netlink_sendmsg+0x723/0xbe0 [ 2911.884803][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2911.884803][ T74] ___sys_sendmsg+0xee/0x170 [ 2911.884803][ T74] __sys_sendmsg+0xcd/0x170 [ 2911.884803][ T74] do_syscall_64+0xc6/0x1e0 [ 2911.884803][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2911.884803][ T74] [ 2922.015938][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2922.016392][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2922.016392][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2922.016392][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2922.016392][ T74] fib6_nh_init+0xa22/0x1580 [ 2922.016392][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2922.016392][ T74] ip6_route_add+0x1c/0x140 [ 2922.016392][ T74] inet6_rtm_newroute+0x104/0x110 [ 2922.016392][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.016392][ T74] netlink_rcv_skb+0x130/0x360 [ 2922.016392][ T74] netlink_unicast+0x449/0x710 [ 2922.016392][ T74] netlink_sendmsg+0x723/0xbe0 [ 2922.016392][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2922.016392][ T74] ___sys_sendmsg+0xee/0x170 [ 2922.016392][ T74] __sys_sendmsg+0xcd/0x170 [ 2922.016392][ T74] do_syscall_64+0xc6/0x1e0 [ 2922.016392][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2922.016392][ T74] [ 2922.018278][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2922.018278][ T74] netdev_get_by_index+0x5e/0x80 [ 2922.018278][ T74] fib6_nh_init+0x3d8/0x1580 [ 2922.018278][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2922.018278][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2922.018278][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2922.018278][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2922.018278][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2922.018278][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2922.018278][ T74] addrconf_dad_begin+0x310/0x670 [ 2922.018278][ T74] addrconf_dad_work+0x10b/0xab0 [ 2922.018278][ T74] process_one_work+0x84d/0x18a0 [ 2922.018278][ T74] worker_thread+0x587/0xd30 [ 2922.018278][ T74] kthread+0x28a/0x350 [ 2922.018278][ T74] ret_from_fork+0x31/0x70 [ 2922.018278][ T74] ret_from_fork_asm+0x1a/0x30 [ 2922.018278][ T74] [ 2922.020197][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2922.020197][ T74] netdev_get_by_index+0x5e/0x80 [ 2922.020197][ T74] fib6_nh_init+0x3d8/0x1580 [ 2922.020197][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2922.020197][ T74] ip6_route_add+0x1c/0x140 [ 2922.020197][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2922.020197][ T74] inet6_addr_add+0x4f8/0xa40 [ 2922.020197][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2922.020197][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.020197][ T74] netlink_rcv_skb+0x130/0x360 [ 2922.020197][ T74] netlink_unicast+0x449/0x710 [ 2922.020197][ T74] netlink_sendmsg+0x723/0xbe0 [ 2922.020197][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2922.020197][ T74] ___sys_sendmsg+0xee/0x170 [ 2922.020197][ T74] __sys_sendmsg+0xcd/0x170 [ 2922.020197][ T74] do_syscall_64+0xc6/0x1e0 [ 2922.020197][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2922.020197][ T74] [ 2922.022214][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2922.022214][ T74] netdev_get_by_index+0x5e/0x80 [ 2922.022214][ T74] fib6_nh_init+0x3d8/0x1580 [ 2922.022214][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2922.022214][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2922.022214][ T74] ipv6_add_addr+0x411/0x2000 [ 2922.022214][ T74] inet6_addr_add+0x30e/0xa40 [ 2922.022214][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2922.022214][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.022214][ T74] netlink_rcv_skb+0x130/0x360 [ 2922.022214][ T74] netlink_unicast+0x449/0x710 [ 2922.022214][ T74] netlink_sendmsg+0x723/0xbe0 [ 2922.022214][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2922.022214][ T74] ___sys_sendmsg+0xee/0x170 [ 2922.022214][ T74] __sys_sendmsg+0xcd/0x170 [ 2922.022214][ T74] do_syscall_64+0xc6/0x1e0 [ 2922.022214][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2922.022214][ T74] [ 2922.024223][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2922.024223][ T74] netdev_get_by_index+0x5e/0x80 [ 2922.024223][ T74] fib6_nh_init+0x3d8/0x1580 [ 2922.024223][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2922.024223][ T74] ip6_route_add+0x1c/0x140 [ 2922.024223][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2922.024223][ T74] addrconf_add_dev+0xe2/0x170 [ 2922.024223][ T74] inet6_addr_add+0x12f/0xa40 [ 2922.024223][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2922.024223][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.024223][ T74] netlink_rcv_skb+0x130/0x360 [ 2922.024223][ T74] netlink_unicast+0x449/0x710 [ 2922.024223][ T74] netlink_sendmsg+0x723/0xbe0 [ 2922.024223][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2922.024223][ T74] ___sys_sendmsg+0xee/0x170 [ 2922.024223][ T74] __sys_sendmsg+0xcd/0x170 [ 2922.024223][ T74] do_syscall_64+0xc6/0x1e0 [ 2922.024223][ T74] [ 2922.026199][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2922.026199][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2922.026199][ T74] ipv6_find_idev+0x102/0x170 [ 2922.026199][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2922.026199][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.026199][ T74] netlink_rcv_skb+0x130/0x360 [ 2922.026199][ T74] netlink_unicast+0x449/0x710 [ 2922.026199][ T74] netlink_sendmsg+0x723/0xbe0 [ 2922.026199][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2922.026199][ T74] ___sys_sendmsg+0xee/0x170 [ 2922.026199][ T74] __sys_sendmsg+0xcd/0x170 [ 2922.026199][ T74] do_syscall_64+0xc6/0x1e0 [ 2922.026199][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2922.026199][ T74] [ 2922.027734][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2922.027734][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2922.027734][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2922.027734][ T74] ipv6_find_idev+0x102/0x170 [ 2922.027734][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2922.027734][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.027734][ T74] netlink_rcv_skb+0x130/0x360 [ 2922.027734][ T74] netlink_unicast+0x449/0x710 [ 2922.027734][ T74] netlink_sendmsg+0x723/0xbe0 [ 2922.027734][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2922.027734][ T74] ___sys_sendmsg+0xee/0x170 [ 2922.027734][ T74] __sys_sendmsg+0xcd/0x170 [ 2922.027734][ T74] do_syscall_64+0xc6/0x1e0 [ 2922.027734][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2922.027734][ T74] [ 2922.029421][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2922.029690][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2922.029690][ T74] dst_init+0x84/0x4a0 [ 2922.029690][ T74] dst_alloc+0x97/0x150 [ 2922.029690][ T74] ip6_dst_alloc+0x23/0x90 [ 2922.029690][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2922.029690][ T74] ip6_pol_route+0x56f/0x840 [ 2922.029690][ T74] fib6_rule_lookup+0x456/0x630 [ 2922.029690][ T74] ip6_route_input+0x59c/0xa50 [ 2922.029690][ T74] ipv6_rcv+0x397/0x810 [ 2922.029690][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2922.029690][ T74] process_backlog+0x101/0x620 [ 2922.029690][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2922.029690][ T74] net_rx_action+0x495/0xbe0 [ 2922.029690][ T74] __do_softirq+0x1b5/0x7f6 [ 2922.029690][ T74] [ 2922.031320][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2922.031320][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2922.031320][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2922.031320][ T74] fib6_nh_init+0xa22/0x1580 [ 2922.031320][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2922.031320][ T74] ip6_route_add+0x1c/0x140 [ 2922.031320][ T74] inet6_rtm_newroute+0x104/0x110 [ 2922.031320][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.031320][ T74] netlink_rcv_skb+0x130/0x360 [ 2922.031320][ T74] netlink_unicast+0x449/0x710 [ 2922.031320][ T74] netlink_sendmsg+0x723/0xbe0 [ 2922.031320][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2922.031320][ T74] ___sys_sendmsg+0xee/0x170 [ 2922.031320][ T74] __sys_sendmsg+0xcd/0x170 [ 2922.031320][ T74] do_syscall_64+0xc6/0x1e0 [ 2922.031320][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2922.031320][ T74] [ 2922.033191][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2922.033191][ T74] netdev_get_by_index+0x5e/0x80 [ 2922.033191][ T74] fib6_nh_init+0x3d8/0x1580 [ 2922.033191][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2922.033191][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2922.033191][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2922.033191][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2922.033191][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2922.033191][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2922.033191][ T74] addrconf_dad_begin+0x310/0x670 [ 2922.033191][ T74] addrconf_dad_work+0x10b/0xab0 [ 2922.033191][ T74] process_one_work+0x84d/0x18a0 [ 2922.033191][ T74] worker_thread+0x587/0xd30 [ 2922.033191][ T74] kthread+0x28a/0x350 [ 2922.033191][ T74] ret_from_fork+0x31/0x70 [ 2922.033191][ T74] ret_from_fork_asm+0x1a/0x30 [ 2922.033191][ T74] [ 2922.035106][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2922.035106][ T74] netdev_get_by_index+0x5e/0x80 [ 2922.035106][ T74] fib6_nh_init+0x3d8/0x1580 [ 2922.035106][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2922.035106][ T74] ip6_route_add+0x1c/0x140 [ 2922.035106][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2922.035106][ T74] inet6_addr_add+0x4f8/0xa40 [ 2922.035106][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2922.035106][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.035106][ T74] netlink_rcv_skb+0x130/0x360 [ 2922.035106][ T74] netlink_unicast+0x449/0x710 [ 2922.035106][ T74] netlink_sendmsg+0x723/0xbe0 [ 2922.035106][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2922.035106][ T74] ___sys_sendmsg+0xee/0x170 [ 2922.035106][ T74] __sys_sendmsg+0xcd/0x170 [ 2922.035106][ T74] do_syscall_64+0xc6/0x1e0 [ 2922.035106][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2922.035106][ T74] [ 2922.037096][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2922.037096][ T74] netdev_get_by_index+0x5e/0x80 [ 2922.037096][ T74] fib6_nh_init+0x3d8/0x1580 [ 2922.037096][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2922.037096][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2922.037096][ T74] ipv6_add_addr+0x411/0x2000 [ 2922.037096][ T74] inet6_addr_add+0x30e/0xa40 [ 2922.037096][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2922.037096][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.037096][ T74] netlink_rcv_skb+0x130/0x360 [ 2922.037096][ T74] netlink_unicast+0x449/0x710 [ 2922.037096][ T74] netlink_sendmsg+0x723/0xbe0 [ 2922.037096][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2922.037096][ T74] ___sys_sendmsg+0xee/0x170 [ 2922.037096][ T74] __sys_sendmsg+0xcd/0x170 [ 2922.037096][ T74] do_syscall_64+0xc6/0x1e0 [ 2922.037096][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2922.037096][ T74] [ 2922.039100][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2922.039100][ T74] netdev_get_by_index+0x5e/0x80 [ 2922.039100][ T74] fib6_nh_init+0x3d8/0x1580 [ 2922.039100][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2922.039100][ T74] ip6_route_add+0x1c/0x140 [ 2922.039100][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2922.039100][ T74] addrconf_add_dev+0xe2/0x170 [ 2922.039100][ T74] inet6_addr_add+0x12f/0xa40 [ 2922.039100][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2922.039100][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.039100][ T74] netlink_rcv_skb+0x130/0x360 [ 2922.039100][ T74] netlink_unicast+0x449/0x710 [ 2922.039100][ T74] netlink_sendmsg+0x723/0xbe0 [ 2922.039100][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2922.039100][ T74] ___sys_sendmsg+0xee/0x170 [ 2922.039100][ T74] __sys_sendmsg+0xcd/0x170 [ 2922.039100][ T74] do_syscall_64+0xc6/0x1e0 [ 2922.039100][ T74] [ 2922.041065][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2922.041065][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2922.041065][ T74] ipv6_find_idev+0x102/0x170 [ 2922.041065][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2922.041065][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.041065][ T74] netlink_rcv_skb+0x130/0x360 [ 2922.041065][ T74] netlink_unicast+0x449/0x710 [ 2922.041065][ T74] netlink_sendmsg+0x723/0xbe0 [ 2922.041065][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2922.041065][ T74] ___sys_sendmsg+0xee/0x170 [ 2922.041065][ T74] __sys_sendmsg+0xcd/0x170 [ 2922.041065][ T74] do_syscall_64+0xc6/0x1e0 [ 2922.041065][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2922.041065][ T74] [ 2922.042780][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2922.042780][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2922.042780][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2922.042780][ T74] ipv6_find_idev+0x102/0x170 [ 2922.042780][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2922.042780][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.042780][ T74] netlink_rcv_skb+0x130/0x360 [ 2922.042780][ T74] netlink_unicast+0x449/0x710 [ 2922.042780][ T74] netlink_sendmsg+0x723/0xbe0 [ 2922.042780][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2922.042780][ T74] ___sys_sendmsg+0xee/0x170 [ 2922.042780][ T74] __sys_sendmsg+0xcd/0x170 [ 2922.042780][ T74] do_syscall_64+0xc6/0x1e0 [ 2922.042780][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2922.042780][ T74] [ 2922.044699][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2922.045019][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2922.045019][ T74] netdev_get_by_index+0x5e/0x80 [ 2922.045019][ T74] fib6_nh_init+0x3d8/0x1580 [ 2922.045019][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2922.045019][ T74] ip6_route_add+0x1c/0x140 [ 2922.045019][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2922.045019][ T74] inet6_addr_add+0x4f8/0xa40 [ 2922.045019][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2922.045019][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.045019][ T74] netlink_rcv_skb+0x130/0x360 [ 2922.045019][ T74] netlink_unicast+0x449/0x710 [ 2922.045019][ T74] netlink_sendmsg+0x723/0xbe0 [ 2922.045019][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2922.045019][ T74] ___sys_sendmsg+0xee/0x170 [ 2922.045019][ T74] __sys_sendmsg+0xcd/0x170 [ 2922.045019][ T74] do_syscall_64+0xc6/0x1e0 [ 2922.045019][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2922.045019][ T74] [ 2922.047184][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2922.047184][ T74] netdev_get_by_index+0x5e/0x80 [ 2922.047184][ T74] fib6_nh_init+0x3d8/0x1580 [ 2922.047184][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2922.047184][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2922.047184][ T74] ipv6_add_addr+0x411/0x2000 [ 2922.047184][ T74] inet6_addr_add+0x30e/0xa40 [ 2922.047184][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2922.047184][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.047184][ T74] netlink_rcv_skb+0x130/0x360 [ 2922.047184][ T74] netlink_unicast+0x449/0x710 [ 2922.047184][ T74] netlink_sendmsg+0x723/0xbe0 [ 2922.047184][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2922.047184][ T74] ___sys_sendmsg+0xee/0x170 [ 2922.047184][ T74] __sys_sendmsg+0xcd/0x170 [ 2922.047184][ T74] do_syscall_64+0xc6/0x1e0 [ 2922.047184][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2922.047184][ T74] [ 2922.049399][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2922.049399][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2922.049399][ T74] ipv6_find_idev+0x102/0x170 [ 2922.049399][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2922.049399][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.049399][ T74] netlink_rcv_skb+0x130/0x360 [ 2922.049399][ T74] netlink_unicast+0x449/0x710 [ 2922.049399][ T74] netlink_sendmsg+0x723/0xbe0 [ 2922.049399][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2922.049399][ T74] ___sys_sendmsg+0xee/0x170 [ 2922.049399][ T74] __sys_sendmsg+0xcd/0x170 [ 2922.049399][ T74] do_syscall_64+0xc6/0x1e0 [ 2922.049399][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2922.049399][ T74] [ 2922.051106][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2922.051106][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2922.051106][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2922.051106][ T74] ipv6_find_idev+0x102/0x170 [ 2922.051106][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2922.051106][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.051106][ T74] netlink_rcv_skb+0x130/0x360 [ 2922.051106][ T74] netlink_unicast+0x449/0x710 [ 2922.051106][ T74] netlink_sendmsg+0x723/0xbe0 [ 2922.051106][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2922.051106][ T74] ___sys_sendmsg+0xee/0x170 [ 2922.051106][ T74] __sys_sendmsg+0xcd/0x170 [ 2922.051106][ T74] do_syscall_64+0xc6/0x1e0 [ 2922.051106][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2922.051106][ T74] [ 2932.055911][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2932.056274][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2932.056274][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2932.056274][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2932.056274][ T74] fib6_nh_init+0xa22/0x1580 [ 2932.056274][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2932.056274][ T74] ip6_route_add+0x1c/0x140 [ 2932.056274][ T74] inet6_rtm_newroute+0x104/0x110 [ 2932.056274][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2932.056274][ T74] netlink_rcv_skb+0x130/0x360 [ 2932.056274][ T74] netlink_unicast+0x449/0x710 [ 2932.056274][ T74] netlink_sendmsg+0x723/0xbe0 [ 2932.056274][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2932.056274][ T74] ___sys_sendmsg+0xee/0x170 [ 2932.056274][ T74] __sys_sendmsg+0xcd/0x170 [ 2932.056274][ T74] do_syscall_64+0xc6/0x1e0 [ 2932.056274][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2932.056274][ T74] [ 2932.058164][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2932.058164][ T74] netdev_get_by_index+0x5e/0x80 [ 2932.058164][ T74] fib6_nh_init+0x3d8/0x1580 [ 2932.058164][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2932.058164][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2932.058164][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2932.058164][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2932.058164][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2932.058164][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2932.058164][ T74] addrconf_dad_begin+0x310/0x670 [ 2932.058164][ T74] addrconf_dad_work+0x10b/0xab0 [ 2932.058164][ T74] process_one_work+0x84d/0x18a0 [ 2932.058164][ T74] worker_thread+0x587/0xd30 [ 2932.058164][ T74] kthread+0x28a/0x350 [ 2932.058164][ T74] ret_from_fork+0x31/0x70 [ 2932.058164][ T74] ret_from_fork_asm+0x1a/0x30 [ 2932.058164][ T74] [ 2932.060069][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2932.060069][ T74] netdev_get_by_index+0x5e/0x80 [ 2932.060069][ T74] fib6_nh_init+0x3d8/0x1580 [ 2932.060069][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2932.060069][ T74] ip6_route_add+0x1c/0x140 [ 2932.060069][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2932.060069][ T74] inet6_addr_add+0x4f8/0xa40 [ 2932.060069][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2932.060069][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2932.060069][ T74] netlink_rcv_skb+0x130/0x360 [ 2932.060069][ T74] netlink_unicast+0x449/0x710 [ 2932.060069][ T74] netlink_sendmsg+0x723/0xbe0 [ 2932.060069][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2932.060069][ T74] ___sys_sendmsg+0xee/0x170 [ 2932.060069][ T74] __sys_sendmsg+0xcd/0x170 [ 2932.060069][ T74] do_syscall_64+0xc6/0x1e0 [ 2932.060069][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2932.060069][ T74] [ 2932.062060][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2932.062060][ T74] netdev_get_by_index+0x5e/0x80 [ 2932.062060][ T74] fib6_nh_init+0x3d8/0x1580 [ 2932.062060][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2932.062060][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2932.062060][ T74] ipv6_add_addr+0x411/0x2000 [ 2932.062060][ T74] inet6_addr_add+0x30e/0xa40 [ 2932.062060][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2932.062060][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2932.062060][ T74] netlink_rcv_skb+0x130/0x360 [ 2932.062060][ T74] netlink_unicast+0x449/0x710 [ 2932.062060][ T74] netlink_sendmsg+0x723/0xbe0 [ 2932.062060][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2932.062060][ T74] ___sys_sendmsg+0xee/0x170 [ 2932.062060][ T74] __sys_sendmsg+0xcd/0x170 [ 2932.062060][ T74] do_syscall_64+0xc6/0x1e0 [ 2932.062060][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2932.062060][ T74] [ 2932.064055][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2932.064055][ T74] netdev_get_by_index+0x5e/0x80 [ 2932.064055][ T74] fib6_nh_init+0x3d8/0x1580 [ 2932.064055][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2932.064055][ T74] ip6_route_add+0x1c/0x140 [ 2932.064055][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2932.064055][ T74] addrconf_add_dev+0xe2/0x170 [ 2932.064055][ T74] inet6_addr_add+0x12f/0xa40 [ 2932.064055][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2932.064055][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2932.064055][ T74] netlink_rcv_skb+0x130/0x360 [ 2932.064055][ T74] netlink_unicast+0x449/0x710 [ 2932.064055][ T74] netlink_sendmsg+0x723/0xbe0 [ 2932.064055][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2932.064055][ T74] ___sys_sendmsg+0xee/0x170 [ 2932.064055][ T74] __sys_sendmsg+0xcd/0x170 [ 2932.064055][ T74] do_syscall_64+0xc6/0x1e0 [ 2932.064055][ T74] [ 2932.066039][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2932.066039][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2932.066039][ T74] ipv6_find_idev+0x102/0x170 [ 2932.066039][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2932.066039][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2932.066039][ T74] netlink_rcv_skb+0x130/0x360 [ 2932.066039][ T74] netlink_unicast+0x449/0x710 [ 2932.066039][ T74] netlink_sendmsg+0x723/0xbe0 [ 2932.066039][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2932.066039][ T74] ___sys_sendmsg+0xee/0x170 [ 2932.066039][ T74] __sys_sendmsg+0xcd/0x170 [ 2932.066039][ T74] do_syscall_64+0xc6/0x1e0 [ 2932.066039][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2932.066039][ T74] [ 2932.067567][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2932.067567][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2932.067567][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2932.067567][ T74] ipv6_find_idev+0x102/0x170 [ 2932.067567][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2932.067567][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2932.067567][ T74] netlink_rcv_skb+0x130/0x360 [ 2932.067567][ T74] netlink_unicast+0x449/0x710 [ 2932.067567][ T74] netlink_sendmsg+0x723/0xbe0 [ 2932.067567][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2932.067567][ T74] ___sys_sendmsg+0xee/0x170 [ 2932.067567][ T74] __sys_sendmsg+0xcd/0x170 [ 2932.067567][ T74] do_syscall_64+0xc6/0x1e0 [ 2932.067567][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2932.067567][ T74] [ 2932.069262][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2932.069528][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2932.069528][ T74] dst_init+0x84/0x4a0 [ 2932.069528][ T74] dst_alloc+0x97/0x150 [ 2932.069528][ T74] ip6_dst_alloc+0x23/0x90 [ 2932.069528][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2932.069528][ T74] ip6_pol_route+0x56f/0x840 [ 2932.069528][ T74] fib6_rule_lookup+0x456/0x630 [ 2932.069528][ T74] ip6_route_input+0x59c/0xa50 [ 2932.069528][ T74] ipv6_rcv+0x397/0x810 [ 2932.069528][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2932.069528][ T74] process_backlog+0x101/0x620 [ 2932.069528][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2932.069528][ T74] net_rx_action+0x495/0xbe0 [ 2932.069528][ T74] __do_softirq+0x1b5/0x7f6 [ 2932.069528][ T74] [ 2932.071304][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2932.071304][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2932.071304][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2932.071304][ T74] fib6_nh_init+0xa22/0x1580 [ 2932.071304][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2932.071304][ T74] ip6_route_add+0x1c/0x140 [ 2932.071304][ T74] inet6_rtm_newroute+0x104/0x110 [ 2932.071304][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2932.071304][ T74] netlink_rcv_skb+0x130/0x360 [ 2932.071304][ T74] netlink_unicast+0x449/0x710 [ 2932.071304][ T74] netlink_sendmsg+0x723/0xbe0 [ 2932.071304][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2932.071304][ T74] ___sys_sendmsg+0xee/0x170 [ 2932.071304][ T74] __sys_sendmsg+0xcd/0x170 [ 2932.071304][ T74] do_syscall_64+0xc6/0x1e0 [ 2932.071304][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2932.071304][ T74] [ 2932.073344][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2932.073344][ T74] netdev_get_by_index+0x5e/0x80 [ 2932.073344][ T74] fib6_nh_init+0x3d8/0x1580 [ 2932.073344][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2932.073344][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2932.073344][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2932.073344][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2932.073344][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2932.073344][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2932.073344][ T74] addrconf_dad_begin+0x310/0x670 [ 2932.073344][ T74] addrconf_dad_work+0x10b/0xab0 [ 2932.073344][ T74] process_one_work+0x84d/0x18a0 [ 2932.073344][ T74] worker_thread+0x587/0xd30 [ 2932.073344][ T74] kthread+0x28a/0x350 [ 2932.073344][ T74] ret_from_fork+0x31/0x70 [ 2932.073344][ T74] ret_from_fork_asm+0x1a/0x30 [ 2932.073344][ T74] [ 2932.075436][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2932.075436][ T74] netdev_get_by_index+0x5e/0x80 [ 2932.075436][ T74] fib6_nh_init+0x3d8/0x1580 [ 2932.075436][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2932.075436][ T74] ip6_route_add+0x1c/0x140 [ 2932.075436][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2932.075436][ T74] inet6_addr_add+0x4f8/0xa40 [ 2932.075436][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2932.075436][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2932.075436][ T74] netlink_rcv_skb+0x130/0x360 [ 2932.075436][ T74] netlink_unicast+0x449/0x710 [ 2932.075436][ T74] netlink_sendmsg+0x723/0xbe0 [ 2932.075436][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2932.075436][ T74] ___sys_sendmsg+0xee/0x170 [ 2932.075436][ T74] __sys_sendmsg+0xcd/0x170 [ 2932.075436][ T74] do_syscall_64+0xc6/0x1e0 [ 2932.075436][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2932.075436][ T74] [ 2932.077613][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2932.077613][ T74] netdev_get_by_index+0x5e/0x80 [ 2932.077613][ T74] fib6_nh_init+0x3d8/0x1580 [ 2932.077613][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2932.077613][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2932.077613][ T74] ipv6_add_addr+0x411/0x2000 [ 2932.077613][ T74] inet6_addr_add+0x30e/0xa40 [ 2932.077613][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2932.077613][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2932.077613][ T74] netlink_rcv_skb+0x130/0x360 [ 2932.077613][ T74] netlink_unicast+0x449/0x710 [ 2932.077613][ T74] netlink_sendmsg+0x723/0xbe0 [ 2932.077613][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2932.077613][ T74] ___sys_sendmsg+0xee/0x170 [ 2932.077613][ T74] __sys_sendmsg+0xcd/0x170 [ 2932.077613][ T74] do_syscall_64+0xc6/0x1e0 [ 2932.077613][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2932.077613][ T74] [ 2932.079609][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2932.079609][ T74] netdev_get_by_index+0x5e/0x80 [ 2932.079609][ T74] fib6_nh_init+0x3d8/0x1580 [ 2932.079609][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2932.079609][ T74] ip6_route_add+0x1c/0x140 [ 2932.079609][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2932.079609][ T74] addrconf_add_dev+0xe2/0x170 [ 2932.079609][ T74] inet6_addr_add+0x12f/0xa40 [ 2932.079609][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2932.079609][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2932.079609][ T74] netlink_rcv_skb+0x130/0x360 [ 2932.079609][ T74] netlink_unicast+0x449/0x710 [ 2932.079609][ T74] netlink_sendmsg+0x723/0xbe0 [ 2932.079609][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2932.079609][ T74] ___sys_sendmsg+0xee/0x170 [ 2932.079609][ T74] __sys_sendmsg+0xcd/0x170 [ 2932.079609][ T74] do_syscall_64+0xc6/0x1e0 [ 2932.079609][ T74] [ 2932.081624][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2932.081624][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2932.081624][ T74] ipv6_find_idev+0x102/0x170 [ 2932.081624][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2932.081624][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2932.081624][ T74] netlink_rcv_skb+0x130/0x360 [ 2932.081624][ T74] netlink_unicast+0x449/0x710 [ 2932.081624][ T74] netlink_sendmsg+0x723/0xbe0 [ 2932.081624][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2932.081624][ T74] ___sys_sendmsg+0xee/0x170 [ 2932.081624][ T74] __sys_sendmsg+0xcd/0x170 [ 2932.081624][ T74] do_syscall_64+0xc6/0x1e0 [ 2932.081624][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2932.081624][ T74] [ 2932.083346][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2932.083346][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2932.083346][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2932.083346][ T74] ipv6_find_idev+0x102/0x170 [ 2932.083346][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2932.083346][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2932.083346][ T74] netlink_rcv_skb+0x130/0x360 [ 2932.083346][ T74] netlink_unicast+0x449/0x710 [ 2932.083346][ T74] netlink_sendmsg+0x723/0xbe0 [ 2932.083346][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2932.083346][ T74] ___sys_sendmsg+0xee/0x170 [ 2932.083346][ T74] __sys_sendmsg+0xcd/0x170 [ 2932.083346][ T74] do_syscall_64+0xc6/0x1e0 [ 2932.083346][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2932.083346][ T74] [ 2932.085316][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2932.085569][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2932.085569][ T74] netdev_get_by_index+0x5e/0x80 [ 2932.085569][ T74] fib6_nh_init+0x3d8/0x1580 [ 2932.085569][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2932.085569][ T74] ip6_route_add+0x1c/0x140 [ 2932.085569][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2932.085569][ T74] inet6_addr_add+0x4f8/0xa40 [ 2932.085569][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2932.085569][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2932.085569][ T74] netlink_rcv_skb+0x130/0x360 [ 2932.085569][ T74] netlink_unicast+0x449/0x710 [ 2932.085569][ T74] netlink_sendmsg+0x723/0xbe0 [ 2932.085569][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2932.085569][ T74] ___sys_sendmsg+0xee/0x170 [ 2932.085569][ T74] __sys_sendmsg+0xcd/0x170 [ 2932.085569][ T74] do_syscall_64+0xc6/0x1e0 [ 2932.085569][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2932.085569][ T74] [ 2932.087810][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2932.087810][ T74] netdev_get_by_index+0x5e/0x80 [ 2932.087810][ T74] fib6_nh_init+0x3d8/0x1580 [ 2932.087810][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2932.087810][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2932.087810][ T74] ipv6_add_addr+0x411/0x2000 [ 2932.087810][ T74] inet6_addr_add+0x30e/0xa40 [ 2932.087810][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2932.087810][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2932.087810][ T74] netlink_rcv_skb+0x130/0x360 [ 2932.087810][ T74] netlink_unicast+0x449/0x710 [ 2932.087810][ T74] netlink_sendmsg+0x723/0xbe0 [ 2932.087810][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2932.087810][ T74] ___sys_sendmsg+0xee/0x170 [ 2932.087810][ T74] __sys_sendmsg+0xcd/0x170 [ 2932.087810][ T74] do_syscall_64+0xc6/0x1e0 [ 2932.087810][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2932.087810][ T74] [ 2932.090045][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2932.090045][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2932.090045][ T74] ipv6_find_idev+0x102/0x170 [ 2932.090045][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2932.090045][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2932.090045][ T74] netlink_rcv_skb+0x130/0x360 [ 2932.090045][ T74] netlink_unicast+0x449/0x710 [ 2932.090045][ T74] netlink_sendmsg+0x723/0xbe0 [ 2932.090045][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2932.090045][ T74] ___sys_sendmsg+0xee/0x170 [ 2932.090045][ T74] __sys_sendmsg+0xcd/0x170 [ 2932.090045][ T74] do_syscall_64+0xc6/0x1e0 [ 2932.090045][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2932.090045][ T74] [ 2932.091707][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2932.091707][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2932.091707][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2932.091707][ T74] ipv6_find_idev+0x102/0x170 [ 2932.091707][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2932.091707][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2932.091707][ T74] netlink_rcv_skb+0x130/0x360 [ 2932.091707][ T74] netlink_unicast+0x449/0x710 [ 2932.091707][ T74] netlink_sendmsg+0x723/0xbe0 [ 2932.091707][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2932.091707][ T74] ___sys_sendmsg+0xee/0x170 [ 2932.091707][ T74] __sys_sendmsg+0xcd/0x170 [ 2932.091707][ T74] do_syscall_64+0xc6/0x1e0 [ 2932.091707][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2932.091707][ T74] [ 2942.127918][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2942.128330][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2942.128330][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2942.128330][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2942.128330][ T74] fib6_nh_init+0xa22/0x1580 [ 2942.128330][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2942.128330][ T74] ip6_route_add+0x1c/0x140 [ 2942.128330][ T74] inet6_rtm_newroute+0x104/0x110 [ 2942.128330][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2942.128330][ T74] netlink_rcv_skb+0x130/0x360 [ 2942.128330][ T74] netlink_unicast+0x449/0x710 [ 2942.128330][ T74] netlink_sendmsg+0x723/0xbe0 [ 2942.128330][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2942.128330][ T74] ___sys_sendmsg+0xee/0x170 [ 2942.128330][ T74] __sys_sendmsg+0xcd/0x170 [ 2942.128330][ T74] do_syscall_64+0xc6/0x1e0 [ 2942.128330][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2942.128330][ T74] [ 2942.130403][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2942.130403][ T74] netdev_get_by_index+0x5e/0x80 [ 2942.130403][ T74] fib6_nh_init+0x3d8/0x1580 [ 2942.130403][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2942.130403][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2942.130403][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2942.130403][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2942.130403][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2942.130403][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2942.130403][ T74] addrconf_dad_begin+0x310/0x670 [ 2942.130403][ T74] addrconf_dad_work+0x10b/0xab0 [ 2942.130403][ T74] process_one_work+0x84d/0x18a0 [ 2942.130403][ T74] worker_thread+0x587/0xd30 [ 2942.130403][ T74] kthread+0x28a/0x350 [ 2942.130403][ T74] ret_from_fork+0x31/0x70 [ 2942.130403][ T74] ret_from_fork_asm+0x1a/0x30 [ 2942.130403][ T74] [ 2942.132489][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2942.132489][ T74] netdev_get_by_index+0x5e/0x80 [ 2942.132489][ T74] fib6_nh_init+0x3d8/0x1580 [ 2942.132489][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2942.132489][ T74] ip6_route_add+0x1c/0x140 [ 2942.132489][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2942.132489][ T74] inet6_addr_add+0x4f8/0xa40 [ 2942.132489][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2942.132489][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2942.132489][ T74] netlink_rcv_skb+0x130/0x360 [ 2942.132489][ T74] netlink_unicast+0x449/0x710 [ 2942.132489][ T74] netlink_sendmsg+0x723/0xbe0 [ 2942.132489][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2942.132489][ T74] ___sys_sendmsg+0xee/0x170 [ 2942.132489][ T74] __sys_sendmsg+0xcd/0x170 [ 2942.132489][ T74] do_syscall_64+0xc6/0x1e0 [ 2942.132489][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2942.132489][ T74] [ 2942.134674][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2942.134674][ T74] netdev_get_by_index+0x5e/0x80 [ 2942.134674][ T74] fib6_nh_init+0x3d8/0x1580 [ 2942.134674][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2942.134674][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2942.134674][ T74] ipv6_add_addr+0x411/0x2000 [ 2942.134674][ T74] inet6_addr_add+0x30e/0xa40 [ 2942.134674][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2942.134674][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2942.134674][ T74] netlink_rcv_skb+0x130/0x360 [ 2942.134674][ T74] netlink_unicast+0x449/0x710 [ 2942.134674][ T74] netlink_sendmsg+0x723/0xbe0 [ 2942.134674][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2942.134674][ T74] ___sys_sendmsg+0xee/0x170 [ 2942.134674][ T74] __sys_sendmsg+0xcd/0x170 [ 2942.134674][ T74] do_syscall_64+0xc6/0x1e0 [ 2942.134674][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2942.134674][ T74] [ 2942.136880][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2942.136880][ T74] netdev_get_by_index+0x5e/0x80 [ 2942.136880][ T74] fib6_nh_init+0x3d8/0x1580 [ 2942.136880][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2942.136880][ T74] ip6_route_add+0x1c/0x140 [ 2942.136880][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2942.136880][ T74] addrconf_add_dev+0xe2/0x170 [ 2942.136880][ T74] inet6_addr_add+0x12f/0xa40 [ 2942.136880][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2942.136880][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2942.136880][ T74] netlink_rcv_skb+0x130/0x360 [ 2942.136880][ T74] netlink_unicast+0x449/0x710 [ 2942.136880][ T74] netlink_sendmsg+0x723/0xbe0 [ 2942.136880][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2942.136880][ T74] ___sys_sendmsg+0xee/0x170 [ 2942.136880][ T74] __sys_sendmsg+0xcd/0x170 [ 2942.136880][ T74] do_syscall_64+0xc6/0x1e0 [ 2942.136880][ T74] [ 2942.139031][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2942.139031][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2942.139031][ T74] ipv6_find_idev+0x102/0x170 [ 2942.139031][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2942.139031][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2942.139031][ T74] netlink_rcv_skb+0x130/0x360 [ 2942.139031][ T74] netlink_unicast+0x449/0x710 [ 2942.139031][ T74] netlink_sendmsg+0x723/0xbe0 [ 2942.139031][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2942.139031][ T74] ___sys_sendmsg+0xee/0x170 [ 2942.139031][ T74] __sys_sendmsg+0xcd/0x170 [ 2942.139031][ T74] do_syscall_64+0xc6/0x1e0 [ 2942.139031][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2942.139031][ T74] [ 2942.140714][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2942.140714][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2942.140714][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2942.140714][ T74] ipv6_find_idev+0x102/0x170 [ 2942.140714][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2942.140714][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2942.140714][ T74] netlink_rcv_skb+0x130/0x360 [ 2942.140714][ T74] netlink_unicast+0x449/0x710 [ 2942.140714][ T74] netlink_sendmsg+0x723/0xbe0 [ 2942.140714][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2942.140714][ T74] ___sys_sendmsg+0xee/0x170 [ 2942.140714][ T74] __sys_sendmsg+0xcd/0x170 [ 2942.140714][ T74] do_syscall_64+0xc6/0x1e0 [ 2942.140714][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2942.140714][ T74] [ 2942.142542][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2942.142831][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2942.142831][ T74] dst_init+0x84/0x4a0 [ 2942.142831][ T74] dst_alloc+0x97/0x150 [ 2942.142831][ T74] ip6_dst_alloc+0x23/0x90 [ 2942.142831][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2942.142831][ T74] ip6_pol_route+0x56f/0x840 [ 2942.142831][ T74] fib6_rule_lookup+0x456/0x630 [ 2942.142831][ T74] ip6_route_input+0x59c/0xa50 [ 2942.142831][ T74] ipv6_rcv+0x397/0x810 [ 2942.142831][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2942.142831][ T74] process_backlog+0x101/0x620 [ 2942.142831][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2942.142831][ T74] net_rx_action+0x495/0xbe0 [ 2942.142831][ T74] __do_softirq+0x1b5/0x7f6 [ 2942.142831][ T74] [ 2942.144612][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2942.144612][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2942.144612][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2942.144612][ T74] fib6_nh_init+0xa22/0x1580 [ 2942.144612][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2942.144612][ T74] ip6_route_add+0x1c/0x140 [ 2942.144612][ T74] inet6_rtm_newroute+0x104/0x110 [ 2942.144612][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2942.144612][ T74] netlink_rcv_skb+0x130/0x360 [ 2942.144612][ T74] netlink_unicast+0x449/0x710 [ 2942.144612][ T74] netlink_sendmsg+0x723/0xbe0 [ 2942.144612][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2942.144612][ T74] ___sys_sendmsg+0xee/0x170 [ 2942.144612][ T74] __sys_sendmsg+0xcd/0x170 [ 2942.144612][ T74] do_syscall_64+0xc6/0x1e0 [ 2942.144612][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2942.144612][ T74] [ 2942.146652][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2942.146652][ T74] netdev_get_by_index+0x5e/0x80 [ 2942.146652][ T74] fib6_nh_init+0x3d8/0x1580 [ 2942.146652][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2942.146652][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2942.146652][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2942.146652][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2942.146652][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2942.146652][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2942.146652][ T74] addrconf_dad_begin+0x310/0x670 [ 2942.146652][ T74] addrconf_dad_work+0x10b/0xab0 [ 2942.146652][ T74] process_one_work+0x84d/0x18a0 [ 2942.146652][ T74] worker_thread+0x587/0xd30 [ 2942.146652][ T74] kthread+0x28a/0x350 [ 2942.146652][ T74] ret_from_fork+0x31/0x70 [ 2942.146652][ T74] ret_from_fork_asm+0x1a/0x30 [ 2942.146652][ T74] [ 2942.148703][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2942.148703][ T74] netdev_get_by_index+0x5e/0x80 [ 2942.148703][ T74] fib6_nh_init+0x3d8/0x1580 [ 2942.148703][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2942.148703][ T74] ip6_route_add+0x1c/0x140 [ 2942.148703][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2942.148703][ T74] inet6_addr_add+0x4f8/0xa40 [ 2942.148703][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2942.148703][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2942.148703][ T74] netlink_rcv_skb+0x130/0x360 [ 2942.148703][ T74] netlink_unicast+0x449/0x710 [ 2942.148703][ T74] netlink_sendmsg+0x723/0xbe0 [ 2942.148703][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2942.148703][ T74] ___sys_sendmsg+0xee/0x170 [ 2942.148703][ T74] __sys_sendmsg+0xcd/0x170 [ 2942.148703][ T74] do_syscall_64+0xc6/0x1e0 [ 2942.148703][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2942.148703][ T74] [ 2942.150876][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2942.150876][ T74] netdev_get_by_index+0x5e/0x80 [ 2942.150876][ T74] fib6_nh_init+0x3d8/0x1580 [ 2942.150876][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2942.150876][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2942.150876][ T74] ipv6_add_addr+0x411/0x2000 [ 2942.150876][ T74] inet6_addr_add+0x30e/0xa40 [ 2942.150876][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2942.150876][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2942.150876][ T74] netlink_rcv_skb+0x130/0x360 [ 2942.150876][ T74] netlink_unicast+0x449/0x710 [ 2942.150876][ T74] netlink_sendmsg+0x723/0xbe0 [ 2942.150876][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2942.150876][ T74] ___sys_sendmsg+0xee/0x170 [ 2942.150876][ T74] __sys_sendmsg+0xcd/0x170 [ 2942.150876][ T74] do_syscall_64+0xc6/0x1e0 [ 2942.150876][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2942.150876][ T74] [ 2942.153074][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2942.153074][ T74] netdev_get_by_index+0x5e/0x80 [ 2942.153074][ T74] fib6_nh_init+0x3d8/0x1580 [ 2942.153074][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2942.153074][ T74] ip6_route_add+0x1c/0x140 [ 2942.153074][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2942.153074][ T74] addrconf_add_dev+0xe2/0x170 [ 2942.153074][ T74] inet6_addr_add+0x12f/0xa40 [ 2942.153074][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2942.153074][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2942.153074][ T74] netlink_rcv_skb+0x130/0x360 [ 2942.153074][ T74] netlink_unicast+0x449/0x710 [ 2942.153074][ T74] netlink_sendmsg+0x723/0xbe0 [ 2942.153074][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2942.153074][ T74] ___sys_sendmsg+0xee/0x170 [ 2942.153074][ T74] __sys_sendmsg+0xcd/0x170 [ 2942.153074][ T74] do_syscall_64+0xc6/0x1e0 [ 2942.153074][ T74] [ 2942.155229][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2942.155229][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2942.155229][ T74] ipv6_find_idev+0x102/0x170 [ 2942.155229][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2942.155229][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2942.155229][ T74] netlink_rcv_skb+0x130/0x360 [ 2942.155229][ T74] netlink_unicast+0x449/0x710 [ 2942.155229][ T74] netlink_sendmsg+0x723/0xbe0 [ 2942.155229][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2942.155229][ T74] ___sys_sendmsg+0xee/0x170 [ 2942.155229][ T74] __sys_sendmsg+0xcd/0x170 [ 2942.155229][ T74] do_syscall_64+0xc6/0x1e0 [ 2942.155229][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2942.155229][ T74] [ 2942.157093][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2942.157093][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2942.157093][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2942.157093][ T74] ipv6_find_idev+0x102/0x170 [ 2942.157093][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2942.157093][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2942.157093][ T74] netlink_rcv_skb+0x130/0x360 [ 2942.157093][ T74] netlink_unicast+0x449/0x710 [ 2942.157093][ T74] netlink_sendmsg+0x723/0xbe0 [ 2942.157093][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2942.157093][ T74] ___sys_sendmsg+0xee/0x170 [ 2942.157093][ T74] __sys_sendmsg+0xcd/0x170 [ 2942.157093][ T74] do_syscall_64+0xc6/0x1e0 [ 2942.157093][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2942.157093][ T74] [ 2942.159171][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2942.159430][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2942.159430][ T74] netdev_get_by_index+0x5e/0x80 [ 2942.159430][ T74] fib6_nh_init+0x3d8/0x1580 [ 2942.159430][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2942.159430][ T74] ip6_route_add+0x1c/0x140 [ 2942.159430][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2942.159430][ T74] inet6_addr_add+0x4f8/0xa40 [ 2942.159430][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2942.159430][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2942.159430][ T74] netlink_rcv_skb+0x130/0x360 [ 2942.159430][ T74] netlink_unicast+0x449/0x710 [ 2942.159430][ T74] netlink_sendmsg+0x723/0xbe0 [ 2942.159430][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2942.159430][ T74] ___sys_sendmsg+0xee/0x170 [ 2942.159430][ T74] __sys_sendmsg+0xcd/0x170 [ 2942.159430][ T74] do_syscall_64+0xc6/0x1e0 [ 2942.159430][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2942.159430][ T74] [ 2942.161875][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2942.161875][ T74] netdev_get_by_index+0x5e/0x80 [ 2942.161875][ T74] fib6_nh_init+0x3d8/0x1580 [ 2942.161875][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2942.161875][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2942.161875][ T74] ipv6_add_addr+0x411/0x2000 [ 2942.161875][ T74] inet6_addr_add+0x30e/0xa40 [ 2942.161875][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2942.161875][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2942.161875][ T74] netlink_rcv_skb+0x130/0x360 [ 2942.161875][ T74] netlink_unicast+0x449/0x710 [ 2942.161875][ T74] netlink_sendmsg+0x723/0xbe0 [ 2942.161875][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2942.161875][ T74] ___sys_sendmsg+0xee/0x170 [ 2942.161875][ T74] __sys_sendmsg+0xcd/0x170 [ 2942.161875][ T74] do_syscall_64+0xc6/0x1e0 [ 2942.161875][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2942.161875][ T74] [ 2942.164294][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2942.164294][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2942.164294][ T74] ipv6_find_idev+0x102/0x170 [ 2942.164294][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2942.164294][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2942.164294][ T74] netlink_rcv_skb+0x130/0x360 [ 2942.164294][ T74] netlink_unicast+0x449/0x710 [ 2942.164294][ T74] netlink_sendmsg+0x723/0xbe0 [ 2942.164294][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2942.164294][ T74] ___sys_sendmsg+0xee/0x170 [ 2942.164294][ T74] __sys_sendmsg+0xcd/0x170 [ 2942.164294][ T74] do_syscall_64+0xc6/0x1e0 [ 2942.164294][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2942.164294][ T74] [ 2942.166657][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2942.166657][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2942.166657][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2942.166657][ T74] ipv6_find_idev+0x102/0x170 [ 2942.166657][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2942.166657][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2942.166657][ T74] netlink_rcv_skb+0x130/0x360 [ 2942.166657][ T74] netlink_unicast+0x449/0x710 [ 2942.166657][ T74] netlink_sendmsg+0x723/0xbe0 [ 2942.166657][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2942.166657][ T74] ___sys_sendmsg+0xee/0x170 [ 2942.166657][ T74] __sys_sendmsg+0xcd/0x170 [ 2942.166657][ T74] do_syscall_64+0xc6/0x1e0 [ 2942.166657][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2942.166657][ T74] [ 2952.423935][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2952.424357][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2952.424357][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2952.424357][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2952.424357][ T74] fib6_nh_init+0xa22/0x1580 [ 2952.424357][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2952.424357][ T74] ip6_route_add+0x1c/0x140 [ 2952.424357][ T74] inet6_rtm_newroute+0x104/0x110 [ 2952.424357][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2952.424357][ T74] netlink_rcv_skb+0x130/0x360 [ 2952.424357][ T74] netlink_unicast+0x449/0x710 [ 2952.424357][ T74] netlink_sendmsg+0x723/0xbe0 [ 2952.424357][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2952.424357][ T74] ___sys_sendmsg+0xee/0x170 [ 2952.424357][ T74] __sys_sendmsg+0xcd/0x170 [ 2952.424357][ T74] do_syscall_64+0xc6/0x1e0 [ 2952.424357][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2952.424357][ T74] [ 2952.426470][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2952.426470][ T74] netdev_get_by_index+0x5e/0x80 [ 2952.426470][ T74] fib6_nh_init+0x3d8/0x1580 [ 2952.426470][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2952.426470][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2952.426470][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2952.426470][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2952.426470][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2952.426470][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2952.426470][ T74] addrconf_dad_begin+0x310/0x670 [ 2952.426470][ T74] addrconf_dad_work+0x10b/0xab0 [ 2952.426470][ T74] process_one_work+0x84d/0x18a0 [ 2952.426470][ T74] worker_thread+0x587/0xd30 [ 2952.426470][ T74] kthread+0x28a/0x350 [ 2952.426470][ T74] ret_from_fork+0x31/0x70 [ 2952.426470][ T74] ret_from_fork_asm+0x1a/0x30 [ 2952.426470][ T74] [ 2952.428549][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2952.428549][ T74] netdev_get_by_index+0x5e/0x80 [ 2952.428549][ T74] fib6_nh_init+0x3d8/0x1580 [ 2952.428549][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2952.428549][ T74] ip6_route_add+0x1c/0x140 [ 2952.428549][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2952.428549][ T74] inet6_addr_add+0x4f8/0xa40 [ 2952.428549][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2952.428549][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2952.428549][ T74] netlink_rcv_skb+0x130/0x360 [ 2952.428549][ T74] netlink_unicast+0x449/0x710 [ 2952.428549][ T74] netlink_sendmsg+0x723/0xbe0 [ 2952.428549][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2952.428549][ T74] ___sys_sendmsg+0xee/0x170 [ 2952.428549][ T74] __sys_sendmsg+0xcd/0x170 [ 2952.428549][ T74] do_syscall_64+0xc6/0x1e0 [ 2952.428549][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2952.428549][ T74] [ 2952.430762][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2952.430762][ T74] netdev_get_by_index+0x5e/0x80 [ 2952.430762][ T74] fib6_nh_init+0x3d8/0x1580 [ 2952.430762][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2952.430762][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2952.430762][ T74] ipv6_add_addr+0x411/0x2000 [ 2952.430762][ T74] inet6_addr_add+0x30e/0xa40 [ 2952.430762][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2952.430762][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2952.430762][ T74] netlink_rcv_skb+0x130/0x360 [ 2952.430762][ T74] netlink_unicast+0x449/0x710 [ 2952.430762][ T74] netlink_sendmsg+0x723/0xbe0 [ 2952.430762][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2952.430762][ T74] ___sys_sendmsg+0xee/0x170 [ 2952.430762][ T74] __sys_sendmsg+0xcd/0x170 [ 2952.430762][ T74] do_syscall_64+0xc6/0x1e0 [ 2952.430762][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2952.430762][ T74] [ 2952.433085][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2952.433085][ T74] netdev_get_by_index+0x5e/0x80 [ 2952.433085][ T74] fib6_nh_init+0x3d8/0x1580 [ 2952.433085][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2952.433085][ T74] ip6_route_add+0x1c/0x140 [ 2952.433085][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2952.433085][ T74] addrconf_add_dev+0xe2/0x170 [ 2952.433085][ T74] inet6_addr_add+0x12f/0xa40 [ 2952.433085][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2952.433085][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2952.433085][ T74] netlink_rcv_skb+0x130/0x360 [ 2952.433085][ T74] netlink_unicast+0x449/0x710 [ 2952.433085][ T74] netlink_sendmsg+0x723/0xbe0 [ 2952.433085][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2952.433085][ T74] ___sys_sendmsg+0xee/0x170 [ 2952.433085][ T74] __sys_sendmsg+0xcd/0x170 [ 2952.433085][ T74] do_syscall_64+0xc6/0x1e0 [ 2952.433085][ T74] [ 2952.435329][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2952.435329][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2952.435329][ T74] ipv6_find_idev+0x102/0x170 [ 2952.435329][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2952.435329][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2952.435329][ T74] netlink_rcv_skb+0x130/0x360 [ 2952.435329][ T74] netlink_unicast+0x449/0x710 [ 2952.435329][ T74] netlink_sendmsg+0x723/0xbe0 [ 2952.435329][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2952.435329][ T74] ___sys_sendmsg+0xee/0x170 [ 2952.435329][ T74] __sys_sendmsg+0xcd/0x170 [ 2952.435329][ T74] do_syscall_64+0xc6/0x1e0 [ 2952.435329][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2952.435329][ T74] [ 2952.437099][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2952.437099][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2952.437099][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2952.437099][ T74] ipv6_find_idev+0x102/0x170 [ 2952.437099][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2952.437099][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2952.437099][ T74] netlink_rcv_skb+0x130/0x360 [ 2952.437099][ T74] netlink_unicast+0x449/0x710 [ 2952.437099][ T74] netlink_sendmsg+0x723/0xbe0 [ 2952.437099][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2952.437099][ T74] ___sys_sendmsg+0xee/0x170 [ 2952.437099][ T74] __sys_sendmsg+0xcd/0x170 [ 2952.437099][ T74] do_syscall_64+0xc6/0x1e0 [ 2952.437099][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2952.437099][ T74] [ 2952.439052][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2952.439361][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2952.439361][ T74] dst_init+0x84/0x4a0 [ 2952.439361][ T74] dst_alloc+0x97/0x150 [ 2952.439361][ T74] ip6_dst_alloc+0x23/0x90 [ 2952.439361][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2952.439361][ T74] ip6_pol_route+0x56f/0x840 [ 2952.439361][ T74] fib6_rule_lookup+0x456/0x630 [ 2952.439361][ T74] ip6_route_input+0x59c/0xa50 [ 2952.439361][ T74] ipv6_rcv+0x397/0x810 [ 2952.439361][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2952.439361][ T74] process_backlog+0x101/0x620 [ 2952.439361][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2952.439361][ T74] net_rx_action+0x495/0xbe0 [ 2952.439361][ T74] __do_softirq+0x1b5/0x7f6 [ 2952.439361][ T74] [ 2952.441241][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2952.441241][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2952.441241][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2952.441241][ T74] fib6_nh_init+0xa22/0x1580 [ 2952.441241][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2952.441241][ T74] ip6_route_add+0x1c/0x140 [ 2952.441241][ T74] inet6_rtm_newroute+0x104/0x110 [ 2952.441241][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2952.441241][ T74] netlink_rcv_skb+0x130/0x360 [ 2952.441241][ T74] netlink_unicast+0x449/0x710 [ 2952.441241][ T74] netlink_sendmsg+0x723/0xbe0 [ 2952.441241][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2952.441241][ T74] ___sys_sendmsg+0xee/0x170 [ 2952.441241][ T74] __sys_sendmsg+0xcd/0x170 [ 2952.441241][ T74] do_syscall_64+0xc6/0x1e0 [ 2952.441241][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2952.441241][ T74] [ 2952.443407][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2952.443407][ T74] netdev_get_by_index+0x5e/0x80 [ 2952.443407][ T74] fib6_nh_init+0x3d8/0x1580 [ 2952.443407][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2952.443407][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2952.443407][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2952.443407][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2952.443407][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2952.443407][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2952.443407][ T74] addrconf_dad_begin+0x310/0x670 [ 2952.443407][ T74] addrconf_dad_work+0x10b/0xab0 [ 2952.443407][ T74] process_one_work+0x84d/0x18a0 [ 2952.443407][ T74] worker_thread+0x587/0xd30 [ 2952.443407][ T74] kthread+0x28a/0x350 [ 2952.443407][ T74] ret_from_fork+0x31/0x70 [ 2952.443407][ T74] ret_from_fork_asm+0x1a/0x30 [ 2952.443407][ T74] [ 2952.445613][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2952.445613][ T74] netdev_get_by_index+0x5e/0x80 [ 2952.445613][ T74] fib6_nh_init+0x3d8/0x1580 [ 2952.445613][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2952.445613][ T74] ip6_route_add+0x1c/0x140 [ 2952.445613][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2952.445613][ T74] inet6_addr_add+0x4f8/0xa40 [ 2952.445613][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2952.445613][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2952.445613][ T74] netlink_rcv_skb+0x130/0x360 [ 2952.445613][ T74] netlink_unicast+0x449/0x710 [ 2952.445613][ T74] netlink_sendmsg+0x723/0xbe0 [ 2952.445613][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2952.445613][ T74] ___sys_sendmsg+0xee/0x170 [ 2952.445613][ T74] __sys_sendmsg+0xcd/0x170 [ 2952.445613][ T74] do_syscall_64+0xc6/0x1e0 [ 2952.445613][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2952.445613][ T74] [ 2952.447860][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2952.447860][ T74] netdev_get_by_index+0x5e/0x80 [ 2952.447860][ T74] fib6_nh_init+0x3d8/0x1580 [ 2952.447860][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2952.447860][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2952.447860][ T74] ipv6_add_addr+0x411/0x2000 [ 2952.447860][ T74] inet6_addr_add+0x30e/0xa40 [ 2952.447860][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2952.447860][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2952.447860][ T74] netlink_rcv_skb+0x130/0x360 [ 2952.447860][ T74] netlink_unicast+0x449/0x710 [ 2952.447860][ T74] netlink_sendmsg+0x723/0xbe0 [ 2952.447860][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2952.447860][ T74] ___sys_sendmsg+0xee/0x170 [ 2952.447860][ T74] __sys_sendmsg+0xcd/0x170 [ 2952.447860][ T74] do_syscall_64+0xc6/0x1e0 [ 2952.447860][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2952.447860][ T74] [ 2952.450088][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2952.450088][ T74] netdev_get_by_index+0x5e/0x80 [ 2952.450088][ T74] fib6_nh_init+0x3d8/0x1580 [ 2952.450088][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2952.450088][ T74] ip6_route_add+0x1c/0x140 [ 2952.450088][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2952.450088][ T74] addrconf_add_dev+0xe2/0x170 [ 2952.450088][ T74] inet6_addr_add+0x12f/0xa40 [ 2952.450088][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2952.450088][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2952.450088][ T74] netlink_rcv_skb+0x130/0x360 [ 2952.450088][ T74] netlink_unicast+0x449/0x710 [ 2952.450088][ T74] netlink_sendmsg+0x723/0xbe0 [ 2952.450088][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2952.450088][ T74] ___sys_sendmsg+0xee/0x170 [ 2952.450088][ T74] __sys_sendmsg+0xcd/0x170 [ 2952.450088][ T74] do_syscall_64+0xc6/0x1e0 [ 2952.450088][ T74] [ 2952.452255][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2952.452255][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2952.452255][ T74] ipv6_find_idev+0x102/0x170 [ 2952.452255][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2952.452255][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2952.452255][ T74] netlink_rcv_skb+0x130/0x360 [ 2952.452255][ T74] netlink_unicast+0x449/0x710 [ 2952.452255][ T74] netlink_sendmsg+0x723/0xbe0 [ 2952.452255][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2952.452255][ T74] ___sys_sendmsg+0xee/0x170 [ 2952.452255][ T74] __sys_sendmsg+0xcd/0x170 [ 2952.452255][ T74] do_syscall_64+0xc6/0x1e0 [ 2952.452255][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2952.452255][ T74] [ 2952.454118][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2952.454118][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2952.454118][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2952.454118][ T74] ipv6_find_idev+0x102/0x170 [ 2952.454118][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2952.454118][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2952.454118][ T74] netlink_rcv_skb+0x130/0x360 [ 2952.454118][ T74] netlink_unicast+0x449/0x710 [ 2952.454118][ T74] netlink_sendmsg+0x723/0xbe0 [ 2952.454118][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2952.454118][ T74] ___sys_sendmsg+0xee/0x170 [ 2952.454118][ T74] __sys_sendmsg+0xcd/0x170 [ 2952.454118][ T74] do_syscall_64+0xc6/0x1e0 [ 2952.454118][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2952.454118][ T74] [ 2952.456307][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2952.456580][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2952.456580][ T74] netdev_get_by_index+0x5e/0x80 [ 2952.456580][ T74] fib6_nh_init+0x3d8/0x1580 [ 2952.456580][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2952.456580][ T74] ip6_route_add+0x1c/0x140 [ 2952.456580][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2952.456580][ T74] inet6_addr_add+0x4f8/0xa40 [ 2952.456580][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2952.456580][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2952.456580][ T74] netlink_rcv_skb+0x130/0x360 [ 2952.456580][ T74] netlink_unicast+0x449/0x710 [ 2952.456580][ T74] netlink_sendmsg+0x723/0xbe0 [ 2952.456580][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2952.456580][ T74] ___sys_sendmsg+0xee/0x170 [ 2952.456580][ T74] __sys_sendmsg+0xcd/0x170 [ 2952.456580][ T74] do_syscall_64+0xc6/0x1e0 [ 2952.456580][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2952.456580][ T74] [ 2952.459084][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2952.459084][ T74] netdev_get_by_index+0x5e/0x80 [ 2952.459084][ T74] fib6_nh_init+0x3d8/0x1580 [ 2952.459084][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2952.459084][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2952.459084][ T74] ipv6_add_addr+0x411/0x2000 [ 2952.459084][ T74] inet6_addr_add+0x30e/0xa40 [ 2952.459084][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2952.459084][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2952.459084][ T74] netlink_rcv_skb+0x130/0x360 [ 2952.459084][ T74] netlink_unicast+0x449/0x710 [ 2952.459084][ T74] netlink_sendmsg+0x723/0xbe0 [ 2952.459084][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2952.459084][ T74] ___sys_sendmsg+0xee/0x170 [ 2952.459084][ T74] __sys_sendmsg+0xcd/0x170 [ 2952.459084][ T74] do_syscall_64+0xc6/0x1e0 [ 2952.459084][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2952.459084][ T74] [ 2952.461545][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2952.461545][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2952.461545][ T74] ipv6_find_idev+0x102/0x170 [ 2952.461545][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2952.461545][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2952.461545][ T74] netlink_rcv_skb+0x130/0x360 [ 2952.461545][ T74] netlink_unicast+0x449/0x710 [ 2952.461545][ T74] netlink_sendmsg+0x723/0xbe0 [ 2952.461545][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2952.461545][ T74] ___sys_sendmsg+0xee/0x170 [ 2952.461545][ T74] __sys_sendmsg+0xcd/0x170 [ 2952.461545][ T74] do_syscall_64+0xc6/0x1e0 [ 2952.461545][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2952.461545][ T74] [ 2952.463341][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2952.463341][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2952.463341][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2952.463341][ T74] ipv6_find_idev+0x102/0x170 [ 2952.463341][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2952.463341][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2952.463341][ T74] netlink_rcv_skb+0x130/0x360 [ 2952.463341][ T74] netlink_unicast+0x449/0x710 [ 2952.463341][ T74] netlink_sendmsg+0x723/0xbe0 [ 2952.463341][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2952.463341][ T74] ___sys_sendmsg+0xee/0x170 [ 2952.463341][ T74] __sys_sendmsg+0xcd/0x170 [ 2952.463341][ T74] do_syscall_64+0xc6/0x1e0 [ 2952.463341][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2952.463341][ T74] [ 2962.704016][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2962.704445][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2962.704445][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2962.704445][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2962.704445][ T74] fib6_nh_init+0xa22/0x1580 [ 2962.704445][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2962.704445][ T74] ip6_route_add+0x1c/0x140 [ 2962.704445][ T74] inet6_rtm_newroute+0x104/0x110 [ 2962.704445][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2962.704445][ T74] netlink_rcv_skb+0x130/0x360 [ 2962.704445][ T74] netlink_unicast+0x449/0x710 [ 2962.704445][ T74] netlink_sendmsg+0x723/0xbe0 [ 2962.704445][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2962.704445][ T74] ___sys_sendmsg+0xee/0x170 [ 2962.704445][ T74] __sys_sendmsg+0xcd/0x170 [ 2962.704445][ T74] do_syscall_64+0xc6/0x1e0 [ 2962.704445][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2962.704445][ T74] [ 2962.706371][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2962.706371][ T74] netdev_get_by_index+0x5e/0x80 [ 2962.706371][ T74] fib6_nh_init+0x3d8/0x1580 [ 2962.706371][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2962.706371][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2962.706371][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2962.706371][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2962.706371][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2962.706371][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2962.706371][ T74] addrconf_dad_begin+0x310/0x670 [ 2962.706371][ T74] addrconf_dad_work+0x10b/0xab0 [ 2962.706371][ T74] process_one_work+0x84d/0x18a0 [ 2962.706371][ T74] worker_thread+0x587/0xd30 [ 2962.706371][ T74] kthread+0x28a/0x350 [ 2962.706371][ T74] ret_from_fork+0x31/0x70 [ 2962.706371][ T74] ret_from_fork_asm+0x1a/0x30 [ 2962.706371][ T74] [ 2962.708286][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2962.708286][ T74] netdev_get_by_index+0x5e/0x80 [ 2962.708286][ T74] fib6_nh_init+0x3d8/0x1580 [ 2962.708286][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2962.708286][ T74] ip6_route_add+0x1c/0x140 [ 2962.708286][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2962.708286][ T74] inet6_addr_add+0x4f8/0xa40 [ 2962.708286][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2962.708286][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2962.708286][ T74] netlink_rcv_skb+0x130/0x360 [ 2962.708286][ T74] netlink_unicast+0x449/0x710 [ 2962.708286][ T74] netlink_sendmsg+0x723/0xbe0 [ 2962.708286][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2962.708286][ T74] ___sys_sendmsg+0xee/0x170 [ 2962.708286][ T74] __sys_sendmsg+0xcd/0x170 [ 2962.708286][ T74] do_syscall_64+0xc6/0x1e0 [ 2962.708286][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2962.708286][ T74] [ 2962.710282][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2962.710282][ T74] netdev_get_by_index+0x5e/0x80 [ 2962.710282][ T74] fib6_nh_init+0x3d8/0x1580 [ 2962.710282][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2962.710282][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2962.710282][ T74] ipv6_add_addr+0x411/0x2000 [ 2962.710282][ T74] inet6_addr_add+0x30e/0xa40 [ 2962.710282][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2962.710282][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2962.710282][ T74] netlink_rcv_skb+0x130/0x360 [ 2962.710282][ T74] netlink_unicast+0x449/0x710 [ 2962.710282][ T74] netlink_sendmsg+0x723/0xbe0 [ 2962.710282][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2962.710282][ T74] ___sys_sendmsg+0xee/0x170 [ 2962.710282][ T74] __sys_sendmsg+0xcd/0x170 [ 2962.710282][ T74] do_syscall_64+0xc6/0x1e0 [ 2962.710282][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2962.710282][ T74] [ 2962.712271][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2962.712271][ T74] netdev_get_by_index+0x5e/0x80 [ 2962.712271][ T74] fib6_nh_init+0x3d8/0x1580 [ 2962.712271][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2962.712271][ T74] ip6_route_add+0x1c/0x140 [ 2962.712271][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2962.712271][ T74] addrconf_add_dev+0xe2/0x170 [ 2962.712271][ T74] inet6_addr_add+0x12f/0xa40 [ 2962.712271][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2962.712271][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2962.712271][ T74] netlink_rcv_skb+0x130/0x360 [ 2962.712271][ T74] netlink_unicast+0x449/0x710 [ 2962.712271][ T74] netlink_sendmsg+0x723/0xbe0 [ 2962.712271][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2962.712271][ T74] ___sys_sendmsg+0xee/0x170 [ 2962.712271][ T74] __sys_sendmsg+0xcd/0x170 [ 2962.712271][ T74] do_syscall_64+0xc6/0x1e0 [ 2962.712271][ T74] [ 2962.714229][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2962.714229][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2962.714229][ T74] ipv6_find_idev+0x102/0x170 [ 2962.714229][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2962.714229][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2962.714229][ T74] netlink_rcv_skb+0x130/0x360 [ 2962.714229][ T74] netlink_unicast+0x449/0x710 [ 2962.714229][ T74] netlink_sendmsg+0x723/0xbe0 [ 2962.714229][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2962.714229][ T74] ___sys_sendmsg+0xee/0x170 [ 2962.714229][ T74] __sys_sendmsg+0xcd/0x170 [ 2962.714229][ T74] do_syscall_64+0xc6/0x1e0 [ 2962.714229][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2962.714229][ T74] [ 2962.715775][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2962.715775][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2962.715775][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2962.715775][ T74] ipv6_find_idev+0x102/0x170 [ 2962.715775][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2962.715775][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2962.715775][ T74] netlink_rcv_skb+0x130/0x360 [ 2962.715775][ T74] netlink_unicast+0x449/0x710 [ 2962.715775][ T74] netlink_sendmsg+0x723/0xbe0 [ 2962.715775][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2962.715775][ T74] ___sys_sendmsg+0xee/0x170 [ 2962.715775][ T74] __sys_sendmsg+0xcd/0x170 [ 2962.715775][ T74] do_syscall_64+0xc6/0x1e0 [ 2962.715775][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2962.715775][ T74] [ 2962.717553][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2962.717826][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2962.717826][ T74] dst_init+0x84/0x4a0 [ 2962.717826][ T74] dst_alloc+0x97/0x150 [ 2962.717826][ T74] ip6_dst_alloc+0x23/0x90 [ 2962.717826][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2962.717826][ T74] ip6_pol_route+0x56f/0x840 [ 2962.717826][ T74] fib6_rule_lookup+0x456/0x630 [ 2962.717826][ T74] ip6_route_input+0x59c/0xa50 [ 2962.717826][ T74] ipv6_rcv+0x397/0x810 [ 2962.717826][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2962.717826][ T74] process_backlog+0x101/0x620 [ 2962.717826][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2962.717826][ T74] net_rx_action+0x495/0xbe0 [ 2962.717826][ T74] __do_softirq+0x1b5/0x7f6 [ 2962.717826][ T74] [ 2962.719456][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2962.719456][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2962.719456][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2962.719456][ T74] fib6_nh_init+0xa22/0x1580 [ 2962.719456][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2962.719456][ T74] ip6_route_add+0x1c/0x140 [ 2962.719456][ T74] inet6_rtm_newroute+0x104/0x110 [ 2962.719456][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2962.719456][ T74] netlink_rcv_skb+0x130/0x360 [ 2962.719456][ T74] netlink_unicast+0x449/0x710 [ 2962.719456][ T74] netlink_sendmsg+0x723/0xbe0 [ 2962.719456][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2962.719456][ T74] ___sys_sendmsg+0xee/0x170 [ 2962.719456][ T74] __sys_sendmsg+0xcd/0x170 [ 2962.719456][ T74] do_syscall_64+0xc6/0x1e0 [ 2962.719456][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2962.719456][ T74] [ 2962.721324][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2962.721324][ T74] netdev_get_by_index+0x5e/0x80 [ 2962.721324][ T74] fib6_nh_init+0x3d8/0x1580 [ 2962.721324][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2962.721324][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2962.721324][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2962.721324][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2962.721324][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2962.721324][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2962.721324][ T74] addrconf_dad_begin+0x310/0x670 [ 2962.721324][ T74] addrconf_dad_work+0x10b/0xab0 [ 2962.721324][ T74] process_one_work+0x84d/0x18a0 [ 2962.721324][ T74] worker_thread+0x587/0xd30 [ 2962.721324][ T74] kthread+0x28a/0x350 [ 2962.721324][ T74] ret_from_fork+0x31/0x70 [ 2962.721324][ T74] ret_from_fork_asm+0x1a/0x30 [ 2962.721324][ T74] [ 2962.723218][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2962.723218][ T74] netdev_get_by_index+0x5e/0x80 [ 2962.723218][ T74] fib6_nh_init+0x3d8/0x1580 [ 2962.723218][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2962.723218][ T74] ip6_route_add+0x1c/0x140 [ 2962.723218][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2962.723218][ T74] inet6_addr_add+0x4f8/0xa40 [ 2962.723218][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2962.723218][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2962.723218][ T74] netlink_rcv_skb+0x130/0x360 [ 2962.723218][ T74] netlink_unicast+0x449/0x710 [ 2962.723218][ T74] netlink_sendmsg+0x723/0xbe0 [ 2962.723218][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2962.723218][ T74] ___sys_sendmsg+0xee/0x170 [ 2962.723218][ T74] __sys_sendmsg+0xcd/0x170 [ 2962.723218][ T74] do_syscall_64+0xc6/0x1e0 [ 2962.723218][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2962.723218][ T74] [ 2962.725213][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2962.725213][ T74] netdev_get_by_index+0x5e/0x80 [ 2962.725213][ T74] fib6_nh_init+0x3d8/0x1580 [ 2962.725213][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2962.725213][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2962.725213][ T74] ipv6_add_addr+0x411/0x2000 [ 2962.725213][ T74] inet6_addr_add+0x30e/0xa40 [ 2962.725213][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2962.725213][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2962.725213][ T74] netlink_rcv_skb+0x130/0x360 [ 2962.725213][ T74] netlink_unicast+0x449/0x710 [ 2962.725213][ T74] netlink_sendmsg+0x723/0xbe0 [ 2962.725213][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2962.725213][ T74] ___sys_sendmsg+0xee/0x170 [ 2962.725213][ T74] __sys_sendmsg+0xcd/0x170 [ 2962.725213][ T74] do_syscall_64+0xc6/0x1e0 [ 2962.725213][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2962.725213][ T74] [ 2962.727215][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2962.727215][ T74] netdev_get_by_index+0x5e/0x80 [ 2962.727215][ T74] fib6_nh_init+0x3d8/0x1580 [ 2962.727215][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2962.727215][ T74] ip6_route_add+0x1c/0x140 [ 2962.727215][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2962.727215][ T74] addrconf_add_dev+0xe2/0x170 [ 2962.727215][ T74] inet6_addr_add+0x12f/0xa40 [ 2962.727215][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2962.727215][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2962.727215][ T74] netlink_rcv_skb+0x130/0x360 [ 2962.727215][ T74] netlink_unicast+0x449/0x710 [ 2962.727215][ T74] netlink_sendmsg+0x723/0xbe0 [ 2962.727215][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2962.727215][ T74] ___sys_sendmsg+0xee/0x170 [ 2962.727215][ T74] __sys_sendmsg+0xcd/0x170 [ 2962.727215][ T74] do_syscall_64+0xc6/0x1e0 [ 2962.727215][ T74] [ 2962.729204][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2962.729204][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2962.729204][ T74] ipv6_find_idev+0x102/0x170 [ 2962.729204][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2962.729204][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2962.729204][ T74] netlink_rcv_skb+0x130/0x360 [ 2962.729204][ T74] netlink_unicast+0x449/0x710 [ 2962.729204][ T74] netlink_sendmsg+0x723/0xbe0 [ 2962.729204][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2962.729204][ T74] ___sys_sendmsg+0xee/0x170 [ 2962.729204][ T74] __sys_sendmsg+0xcd/0x170 [ 2962.729204][ T74] do_syscall_64+0xc6/0x1e0 [ 2962.729204][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2962.729204][ T74] [ 2962.730815][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2962.730815][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2962.730815][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2962.730815][ T74] ipv6_find_idev+0x102/0x170 [ 2962.730815][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2962.730815][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2962.730815][ T74] netlink_rcv_skb+0x130/0x360 [ 2962.730815][ T74] netlink_unicast+0x449/0x710 [ 2962.730815][ T74] netlink_sendmsg+0x723/0xbe0 [ 2962.730815][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2962.730815][ T74] ___sys_sendmsg+0xee/0x170 [ 2962.730815][ T74] __sys_sendmsg+0xcd/0x170 [ 2962.730815][ T74] do_syscall_64+0xc6/0x1e0 [ 2962.730815][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2962.730815][ T74] [ 2962.733504][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2962.733746][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2962.733746][ T74] netdev_get_by_index+0x5e/0x80 [ 2962.733746][ T74] fib6_nh_init+0x3d8/0x1580 [ 2962.733746][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2962.733746][ T74] ip6_route_add+0x1c/0x140 [ 2962.733746][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2962.733746][ T74] inet6_addr_add+0x4f8/0xa40 [ 2962.733746][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2962.733746][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2962.733746][ T74] netlink_rcv_skb+0x130/0x360 [ 2962.733746][ T74] netlink_unicast+0x449/0x710 [ 2962.733746][ T74] netlink_sendmsg+0x723/0xbe0 [ 2962.733746][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2962.733746][ T74] ___sys_sendmsg+0xee/0x170 [ 2962.733746][ T74] __sys_sendmsg+0xcd/0x170 [ 2962.733746][ T74] do_syscall_64+0xc6/0x1e0 [ 2962.733746][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2962.733746][ T74] [ 2962.735898][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2962.735898][ T74] netdev_get_by_index+0x5e/0x80 [ 2962.735898][ T74] fib6_nh_init+0x3d8/0x1580 [ 2962.735898][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2962.735898][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2962.735898][ T74] ipv6_add_addr+0x411/0x2000 [ 2962.735898][ T74] inet6_addr_add+0x30e/0xa40 [ 2962.735898][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2962.735898][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2962.735898][ T74] netlink_rcv_skb+0x130/0x360 [ 2962.735898][ T74] netlink_unicast+0x449/0x710 [ 2962.735898][ T74] netlink_sendmsg+0x723/0xbe0 [ 2962.735898][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2962.735898][ T74] ___sys_sendmsg+0xee/0x170 [ 2962.735898][ T74] __sys_sendmsg+0xcd/0x170 [ 2962.735898][ T74] do_syscall_64+0xc6/0x1e0 [ 2962.735898][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2962.735898][ T74] [ 2962.737963][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2962.737963][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2962.737963][ T74] ipv6_find_idev+0x102/0x170 [ 2962.737963][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2962.737963][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2962.737963][ T74] netlink_rcv_skb+0x130/0x360 [ 2962.737963][ T74] netlink_unicast+0x449/0x710 [ 2962.737963][ T74] netlink_sendmsg+0x723/0xbe0 [ 2962.737963][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2962.737963][ T74] ___sys_sendmsg+0xee/0x170 [ 2962.737963][ T74] __sys_sendmsg+0xcd/0x170 [ 2962.737963][ T74] do_syscall_64+0xc6/0x1e0 [ 2962.737963][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2962.737963][ T74] [ 2962.739555][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2962.739555][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2962.739555][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2962.739555][ T74] ipv6_find_idev+0x102/0x170 [ 2962.739555][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2962.739555][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2962.739555][ T74] netlink_rcv_skb+0x130/0x360 [ 2962.739555][ T74] netlink_unicast+0x449/0x710 [ 2962.739555][ T74] netlink_sendmsg+0x723/0xbe0 [ 2962.739555][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2962.739555][ T74] ___sys_sendmsg+0xee/0x170 [ 2962.739555][ T74] __sys_sendmsg+0xcd/0x170 [ 2962.739555][ T74] do_syscall_64+0xc6/0x1e0 [ 2962.739555][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2962.739555][ T74] [ 2972.823960][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2972.824328][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2972.824328][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2972.824328][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2972.824328][ T74] fib6_nh_init+0xa22/0x1580 [ 2972.824328][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2972.824328][ T74] ip6_route_add+0x1c/0x140 [ 2972.824328][ T74] inet6_rtm_newroute+0x104/0x110 [ 2972.824328][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2972.824328][ T74] netlink_rcv_skb+0x130/0x360 [ 2972.824328][ T74] netlink_unicast+0x449/0x710 [ 2972.824328][ T74] netlink_sendmsg+0x723/0xbe0 [ 2972.824328][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2972.824328][ T74] ___sys_sendmsg+0xee/0x170 [ 2972.824328][ T74] __sys_sendmsg+0xcd/0x170 [ 2972.824328][ T74] do_syscall_64+0xc6/0x1e0 [ 2972.824328][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2972.824328][ T74] [ 2972.826232][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2972.826232][ T74] netdev_get_by_index+0x5e/0x80 [ 2972.826232][ T74] fib6_nh_init+0x3d8/0x1580 [ 2972.826232][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2972.826232][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2972.826232][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2972.826232][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2972.826232][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2972.826232][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2972.826232][ T74] addrconf_dad_begin+0x310/0x670 [ 2972.826232][ T74] addrconf_dad_work+0x10b/0xab0 [ 2972.826232][ T74] process_one_work+0x84d/0x18a0 [ 2972.826232][ T74] worker_thread+0x587/0xd30 [ 2972.826232][ T74] kthread+0x28a/0x350 [ 2972.826232][ T74] ret_from_fork+0x31/0x70 [ 2972.826232][ T74] ret_from_fork_asm+0x1a/0x30 [ 2972.826232][ T74] [ 2972.828135][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2972.828135][ T74] netdev_get_by_index+0x5e/0x80 [ 2972.828135][ T74] fib6_nh_init+0x3d8/0x1580 [ 2972.828135][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2972.828135][ T74] ip6_route_add+0x1c/0x140 [ 2972.828135][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2972.828135][ T74] inet6_addr_add+0x4f8/0xa40 [ 2972.828135][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2972.828135][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2972.828135][ T74] netlink_rcv_skb+0x130/0x360 [ 2972.828135][ T74] netlink_unicast+0x449/0x710 [ 2972.828135][ T74] netlink_sendmsg+0x723/0xbe0 [ 2972.828135][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2972.828135][ T74] ___sys_sendmsg+0xee/0x170 [ 2972.828135][ T74] __sys_sendmsg+0xcd/0x170 [ 2972.828135][ T74] do_syscall_64+0xc6/0x1e0 [ 2972.828135][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2972.828135][ T74] [ 2972.830126][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2972.830126][ T74] netdev_get_by_index+0x5e/0x80 [ 2972.830126][ T74] fib6_nh_init+0x3d8/0x1580 [ 2972.830126][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2972.830126][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2972.830126][ T74] ipv6_add_addr+0x411/0x2000 [ 2972.830126][ T74] inet6_addr_add+0x30e/0xa40 [ 2972.830126][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2972.830126][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2972.830126][ T74] netlink_rcv_skb+0x130/0x360 [ 2972.830126][ T74] netlink_unicast+0x449/0x710 [ 2972.830126][ T74] netlink_sendmsg+0x723/0xbe0 [ 2972.830126][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2972.830126][ T74] ___sys_sendmsg+0xee/0x170 [ 2972.830126][ T74] __sys_sendmsg+0xcd/0x170 [ 2972.830126][ T74] do_syscall_64+0xc6/0x1e0 [ 2972.830126][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2972.830126][ T74] [ 2972.832111][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2972.832111][ T74] netdev_get_by_index+0x5e/0x80 [ 2972.832111][ T74] fib6_nh_init+0x3d8/0x1580 [ 2972.832111][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2972.832111][ T74] ip6_route_add+0x1c/0x140 [ 2972.832111][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2972.832111][ T74] addrconf_add_dev+0xe2/0x170 [ 2972.832111][ T74] inet6_addr_add+0x12f/0xa40 [ 2972.832111][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2972.832111][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2972.832111][ T74] netlink_rcv_skb+0x130/0x360 [ 2972.832111][ T74] netlink_unicast+0x449/0x710 [ 2972.832111][ T74] netlink_sendmsg+0x723/0xbe0 [ 2972.832111][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2972.832111][ T74] ___sys_sendmsg+0xee/0x170 [ 2972.832111][ T74] __sys_sendmsg+0xcd/0x170 [ 2972.832111][ T74] do_syscall_64+0xc6/0x1e0 [ 2972.832111][ T74] [ 2972.834067][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2972.834067][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2972.834067][ T74] ipv6_find_idev+0x102/0x170 [ 2972.834067][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2972.834067][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2972.834067][ T74] netlink_rcv_skb+0x130/0x360 [ 2972.834067][ T74] netlink_unicast+0x449/0x710 [ 2972.834067][ T74] netlink_sendmsg+0x723/0xbe0 [ 2972.834067][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2972.834067][ T74] ___sys_sendmsg+0xee/0x170 [ 2972.834067][ T74] __sys_sendmsg+0xcd/0x170 [ 2972.834067][ T74] do_syscall_64+0xc6/0x1e0 [ 2972.834067][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2972.834067][ T74] [ 2972.835606][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2972.835606][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2972.835606][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2972.835606][ T74] ipv6_find_idev+0x102/0x170 [ 2972.835606][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2972.835606][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2972.835606][ T74] netlink_rcv_skb+0x130/0x360 [ 2972.835606][ T74] netlink_unicast+0x449/0x710 [ 2972.835606][ T74] netlink_sendmsg+0x723/0xbe0 [ 2972.835606][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2972.835606][ T74] ___sys_sendmsg+0xee/0x170 [ 2972.835606][ T74] __sys_sendmsg+0xcd/0x170 [ 2972.835606][ T74] do_syscall_64+0xc6/0x1e0 [ 2972.835606][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2972.835606][ T74] [ 2972.837287][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2972.837564][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2972.837564][ T74] dst_init+0x84/0x4a0 [ 2972.837564][ T74] dst_alloc+0x97/0x150 [ 2972.837564][ T74] ip6_dst_alloc+0x23/0x90 [ 2972.837564][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2972.837564][ T74] ip6_pol_route+0x56f/0x840 [ 2972.837564][ T74] fib6_rule_lookup+0x456/0x630 [ 2972.837564][ T74] ip6_route_input+0x59c/0xa50 [ 2972.837564][ T74] ipv6_rcv+0x397/0x810 [ 2972.837564][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2972.837564][ T74] process_backlog+0x101/0x620 [ 2972.837564][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2972.837564][ T74] net_rx_action+0x495/0xbe0 [ 2972.837564][ T74] __do_softirq+0x1b5/0x7f6 [ 2972.837564][ T74] [ 2972.839227][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2972.839227][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2972.839227][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2972.839227][ T74] fib6_nh_init+0xa22/0x1580 [ 2972.839227][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2972.839227][ T74] ip6_route_add+0x1c/0x140 [ 2972.839227][ T74] inet6_rtm_newroute+0x104/0x110 [ 2972.839227][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2972.839227][ T74] netlink_rcv_skb+0x130/0x360 [ 2972.839227][ T74] netlink_unicast+0x449/0x710 [ 2972.839227][ T74] netlink_sendmsg+0x723/0xbe0 [ 2972.839227][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2972.839227][ T74] ___sys_sendmsg+0xee/0x170 [ 2972.839227][ T74] __sys_sendmsg+0xcd/0x170 [ 2972.839227][ T74] do_syscall_64+0xc6/0x1e0 [ 2972.839227][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2972.839227][ T74] [ 2972.841103][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2972.841103][ T74] netdev_get_by_index+0x5e/0x80 [ 2972.841103][ T74] fib6_nh_init+0x3d8/0x1580 [ 2972.841103][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2972.841103][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2972.841103][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2972.841103][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2972.841103][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2972.841103][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2972.841103][ T74] addrconf_dad_begin+0x310/0x670 [ 2972.841103][ T74] addrconf_dad_work+0x10b/0xab0 [ 2972.841103][ T74] process_one_work+0x84d/0x18a0 [ 2972.841103][ T74] worker_thread+0x587/0xd30 [ 2972.841103][ T74] kthread+0x28a/0x350 [ 2972.841103][ T74] ret_from_fork+0x31/0x70 [ 2972.841103][ T74] ret_from_fork_asm+0x1a/0x30 [ 2972.841103][ T74] [ 2972.843010][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2972.843010][ T74] netdev_get_by_index+0x5e/0x80 [ 2972.843010][ T74] fib6_nh_init+0x3d8/0x1580 [ 2972.843010][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2972.843010][ T74] ip6_route_add+0x1c/0x140 [ 2972.843010][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2972.843010][ T74] inet6_addr_add+0x4f8/0xa40 [ 2972.843010][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2972.843010][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2972.843010][ T74] netlink_rcv_skb+0x130/0x360 [ 2972.843010][ T74] netlink_unicast+0x449/0x710 [ 2972.843010][ T74] netlink_sendmsg+0x723/0xbe0 [ 2972.843010][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2972.843010][ T74] ___sys_sendmsg+0xee/0x170 [ 2972.843010][ T74] __sys_sendmsg+0xcd/0x170 [ 2972.843010][ T74] do_syscall_64+0xc6/0x1e0 [ 2972.843010][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2972.843010][ T74] [ 2972.844999][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2972.844999][ T74] netdev_get_by_index+0x5e/0x80 [ 2972.844999][ T74] fib6_nh_init+0x3d8/0x1580 [ 2972.844999][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2972.844999][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2972.844999][ T74] ipv6_add_addr+0x411/0x2000 [ 2972.844999][ T74] inet6_addr_add+0x30e/0xa40 [ 2972.844999][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2972.844999][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2972.844999][ T74] netlink_rcv_skb+0x130/0x360 [ 2972.844999][ T74] netlink_unicast+0x449/0x710 [ 2972.844999][ T74] netlink_sendmsg+0x723/0xbe0 [ 2972.844999][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2972.844999][ T74] ___sys_sendmsg+0xee/0x170 [ 2972.844999][ T74] __sys_sendmsg+0xcd/0x170 [ 2972.844999][ T74] do_syscall_64+0xc6/0x1e0 [ 2972.844999][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2972.844999][ T74] [ 2972.846995][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2972.846995][ T74] netdev_get_by_index+0x5e/0x80 [ 2972.846995][ T74] fib6_nh_init+0x3d8/0x1580 [ 2972.846995][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2972.846995][ T74] ip6_route_add+0x1c/0x140 [ 2972.846995][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2972.846995][ T74] addrconf_add_dev+0xe2/0x170 [ 2972.846995][ T74] inet6_addr_add+0x12f/0xa40 [ 2972.846995][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2972.846995][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2972.846995][ T74] netlink_rcv_skb+0x130/0x360 [ 2972.846995][ T74] netlink_unicast+0x449/0x710 [ 2972.846995][ T74] netlink_sendmsg+0x723/0xbe0 [ 2972.846995][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2972.846995][ T74] ___sys_sendmsg+0xee/0x170 [ 2972.846995][ T74] __sys_sendmsg+0xcd/0x170 [ 2972.846995][ T74] do_syscall_64+0xc6/0x1e0 [ 2972.846995][ T74] [ 2972.848950][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2972.848950][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2972.848950][ T74] ipv6_find_idev+0x102/0x170 [ 2972.848950][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2972.848950][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2972.848950][ T74] netlink_rcv_skb+0x130/0x360 [ 2972.848950][ T74] netlink_unicast+0x449/0x710 [ 2972.848950][ T74] netlink_sendmsg+0x723/0xbe0 [ 2972.848950][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2972.848950][ T74] ___sys_sendmsg+0xee/0x170 [ 2972.848950][ T74] __sys_sendmsg+0xcd/0x170 [ 2972.848950][ T74] do_syscall_64+0xc6/0x1e0 [ 2972.848950][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2972.848950][ T74] [ 2972.850607][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2972.850607][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2972.850607][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2972.850607][ T74] ipv6_find_idev+0x102/0x170 [ 2972.850607][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2972.850607][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2972.850607][ T74] netlink_rcv_skb+0x130/0x360 [ 2972.850607][ T74] netlink_unicast+0x449/0x710 [ 2972.850607][ T74] netlink_sendmsg+0x723/0xbe0 [ 2972.850607][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2972.850607][ T74] ___sys_sendmsg+0xee/0x170 [ 2972.850607][ T74] __sys_sendmsg+0xcd/0x170 [ 2972.850607][ T74] do_syscall_64+0xc6/0x1e0 [ 2972.850607][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2972.850607][ T74] [ 2972.852578][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2972.852821][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2972.852821][ T74] netdev_get_by_index+0x5e/0x80 [ 2972.852821][ T74] fib6_nh_init+0x3d8/0x1580 [ 2972.852821][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2972.852821][ T74] ip6_route_add+0x1c/0x140 [ 2972.852821][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2972.852821][ T74] inet6_addr_add+0x4f8/0xa40 [ 2972.852821][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2972.852821][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2972.852821][ T74] netlink_rcv_skb+0x130/0x360 [ 2972.852821][ T74] netlink_unicast+0x449/0x710 [ 2972.852821][ T74] netlink_sendmsg+0x723/0xbe0 [ 2972.852821][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2972.852821][ T74] ___sys_sendmsg+0xee/0x170 [ 2972.852821][ T74] __sys_sendmsg+0xcd/0x170 [ 2972.852821][ T74] do_syscall_64+0xc6/0x1e0 [ 2972.852821][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2972.852821][ T74] [ 2972.855068][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2972.855068][ T74] netdev_get_by_index+0x5e/0x80 [ 2972.855068][ T74] fib6_nh_init+0x3d8/0x1580 [ 2972.855068][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2972.855068][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2972.855068][ T74] ipv6_add_addr+0x411/0x2000 [ 2972.855068][ T74] inet6_addr_add+0x30e/0xa40 [ 2972.855068][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2972.855068][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2972.855068][ T74] netlink_rcv_skb+0x130/0x360 [ 2972.855068][ T74] netlink_unicast+0x449/0x710 [ 2972.855068][ T74] netlink_sendmsg+0x723/0xbe0 [ 2972.855068][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2972.855068][ T74] ___sys_sendmsg+0xee/0x170 [ 2972.855068][ T74] __sys_sendmsg+0xcd/0x170 [ 2972.855068][ T74] do_syscall_64+0xc6/0x1e0 [ 2972.855068][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2972.855068][ T74] [ 2972.857283][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2972.857283][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2972.857283][ T74] ipv6_find_idev+0x102/0x170 [ 2972.857283][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2972.857283][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2972.857283][ T74] netlink_rcv_skb+0x130/0x360 [ 2972.857283][ T74] netlink_unicast+0x449/0x710 [ 2972.857283][ T74] netlink_sendmsg+0x723/0xbe0 [ 2972.857283][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2972.857283][ T74] ___sys_sendmsg+0xee/0x170 [ 2972.857283][ T74] __sys_sendmsg+0xcd/0x170 [ 2972.857283][ T74] do_syscall_64+0xc6/0x1e0 [ 2972.857283][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2972.857283][ T74] [ 2972.858931][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2972.858931][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2972.858931][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2972.858931][ T74] ipv6_find_idev+0x102/0x170 [ 2972.858931][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2972.858931][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2972.858931][ T74] netlink_rcv_skb+0x130/0x360 [ 2972.858931][ T74] netlink_unicast+0x449/0x710 [ 2972.858931][ T74] netlink_sendmsg+0x723/0xbe0 [ 2972.858931][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2972.858931][ T74] ___sys_sendmsg+0xee/0x170 [ 2972.858931][ T74] __sys_sendmsg+0xcd/0x170 [ 2972.858931][ T74] do_syscall_64+0xc6/0x1e0 [ 2972.858931][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2972.858931][ T74] [ 2983.103997][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2983.104429][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2983.104429][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2983.104429][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2983.104429][ T74] fib6_nh_init+0xa22/0x1580 [ 2983.104429][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2983.104429][ T74] ip6_route_add+0x1c/0x140 [ 2983.104429][ T74] inet6_rtm_newroute+0x104/0x110 [ 2983.104429][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2983.104429][ T74] netlink_rcv_skb+0x130/0x360 [ 2983.104429][ T74] netlink_unicast+0x449/0x710 [ 2983.104429][ T74] netlink_sendmsg+0x723/0xbe0 [ 2983.104429][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2983.104429][ T74] ___sys_sendmsg+0xee/0x170 [ 2983.104429][ T74] __sys_sendmsg+0xcd/0x170 [ 2983.104429][ T74] do_syscall_64+0xc6/0x1e0 [ 2983.104429][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2983.104429][ T74] [ 2983.106333][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2983.106333][ T74] netdev_get_by_index+0x5e/0x80 [ 2983.106333][ T74] fib6_nh_init+0x3d8/0x1580 [ 2983.106333][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2983.106333][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2983.106333][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2983.106333][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2983.106333][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2983.106333][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2983.106333][ T74] addrconf_dad_begin+0x310/0x670 [ 2983.106333][ T74] addrconf_dad_work+0x10b/0xab0 [ 2983.106333][ T74] process_one_work+0x84d/0x18a0 [ 2983.106333][ T74] worker_thread+0x587/0xd30 [ 2983.106333][ T74] kthread+0x28a/0x350 [ 2983.106333][ T74] ret_from_fork+0x31/0x70 [ 2983.106333][ T74] ret_from_fork_asm+0x1a/0x30 [ 2983.106333][ T74] [ 2983.108274][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2983.108274][ T74] netdev_get_by_index+0x5e/0x80 [ 2983.108274][ T74] fib6_nh_init+0x3d8/0x1580 [ 2983.108274][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2983.108274][ T74] ip6_route_add+0x1c/0x140 [ 2983.108274][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2983.108274][ T74] inet6_addr_add+0x4f8/0xa40 [ 2983.108274][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2983.108274][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2983.108274][ T74] netlink_rcv_skb+0x130/0x360 [ 2983.108274][ T74] netlink_unicast+0x449/0x710 [ 2983.108274][ T74] netlink_sendmsg+0x723/0xbe0 [ 2983.108274][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2983.108274][ T74] ___sys_sendmsg+0xee/0x170 [ 2983.108274][ T74] __sys_sendmsg+0xcd/0x170 [ 2983.108274][ T74] do_syscall_64+0xc6/0x1e0 [ 2983.108274][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2983.108274][ T74] [ 2983.110271][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2983.110271][ T74] netdev_get_by_index+0x5e/0x80 [ 2983.110271][ T74] fib6_nh_init+0x3d8/0x1580 [ 2983.110271][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2983.110271][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2983.110271][ T74] ipv6_add_addr+0x411/0x2000 [ 2983.110271][ T74] inet6_addr_add+0x30e/0xa40 [ 2983.110271][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2983.110271][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2983.110271][ T74] netlink_rcv_skb+0x130/0x360 [ 2983.110271][ T74] netlink_unicast+0x449/0x710 [ 2983.110271][ T74] netlink_sendmsg+0x723/0xbe0 [ 2983.110271][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2983.110271][ T74] ___sys_sendmsg+0xee/0x170 [ 2983.110271][ T74] __sys_sendmsg+0xcd/0x170 [ 2983.110271][ T74] do_syscall_64+0xc6/0x1e0 [ 2983.110271][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2983.110271][ T74] [ 2983.112276][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2983.112276][ T74] netdev_get_by_index+0x5e/0x80 [ 2983.112276][ T74] fib6_nh_init+0x3d8/0x1580 [ 2983.112276][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2983.112276][ T74] ip6_route_add+0x1c/0x140 [ 2983.112276][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2983.112276][ T74] addrconf_add_dev+0xe2/0x170 [ 2983.112276][ T74] inet6_addr_add+0x12f/0xa40 [ 2983.112276][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2983.112276][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2983.112276][ T74] netlink_rcv_skb+0x130/0x360 [ 2983.112276][ T74] netlink_unicast+0x449/0x710 [ 2983.112276][ T74] netlink_sendmsg+0x723/0xbe0 [ 2983.112276][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2983.112276][ T74] ___sys_sendmsg+0xee/0x170 [ 2983.112276][ T74] __sys_sendmsg+0xcd/0x170 [ 2983.112276][ T74] do_syscall_64+0xc6/0x1e0 [ 2983.112276][ T74] [ 2983.114240][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2983.114240][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2983.114240][ T74] ipv6_find_idev+0x102/0x170 [ 2983.114240][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2983.114240][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2983.114240][ T74] netlink_rcv_skb+0x130/0x360 [ 2983.114240][ T74] netlink_unicast+0x449/0x710 [ 2983.114240][ T74] netlink_sendmsg+0x723/0xbe0 [ 2983.114240][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2983.114240][ T74] ___sys_sendmsg+0xee/0x170 [ 2983.114240][ T74] __sys_sendmsg+0xcd/0x170 [ 2983.114240][ T74] do_syscall_64+0xc6/0x1e0 [ 2983.114240][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2983.114240][ T74] [ 2983.115921][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2983.115921][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2983.115921][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2983.115921][ T74] ipv6_find_idev+0x102/0x170 [ 2983.115921][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2983.115921][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2983.115921][ T74] netlink_rcv_skb+0x130/0x360 [ 2983.115921][ T74] netlink_unicast+0x449/0x710 [ 2983.115921][ T74] netlink_sendmsg+0x723/0xbe0 [ 2983.115921][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2983.115921][ T74] ___sys_sendmsg+0xee/0x170 [ 2983.115921][ T74] __sys_sendmsg+0xcd/0x170 [ 2983.115921][ T74] do_syscall_64+0xc6/0x1e0 [ 2983.115921][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2983.115921][ T74] [ 2983.117614][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2983.117891][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2983.117891][ T74] dst_init+0x84/0x4a0 [ 2983.117891][ T74] dst_alloc+0x97/0x150 [ 2983.117891][ T74] ip6_dst_alloc+0x23/0x90 [ 2983.117891][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2983.117891][ T74] ip6_pol_route+0x56f/0x840 [ 2983.117891][ T74] fib6_rule_lookup+0x456/0x630 [ 2983.117891][ T74] ip6_route_input+0x59c/0xa50 [ 2983.117891][ T74] ipv6_rcv+0x397/0x810 [ 2983.117891][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2983.117891][ T74] process_backlog+0x101/0x620 [ 2983.117891][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2983.117891][ T74] net_rx_action+0x495/0xbe0 [ 2983.117891][ T74] __do_softirq+0x1b5/0x7f6 [ 2983.117891][ T74] [ 2983.119519][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2983.119519][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2983.119519][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2983.119519][ T74] fib6_nh_init+0xa22/0x1580 [ 2983.119519][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2983.119519][ T74] ip6_route_add+0x1c/0x140 [ 2983.119519][ T74] inet6_rtm_newroute+0x104/0x110 [ 2983.119519][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2983.119519][ T74] netlink_rcv_skb+0x130/0x360 [ 2983.119519][ T74] netlink_unicast+0x449/0x710 [ 2983.119519][ T74] netlink_sendmsg+0x723/0xbe0 [ 2983.119519][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2983.119519][ T74] ___sys_sendmsg+0xee/0x170 [ 2983.119519][ T74] __sys_sendmsg+0xcd/0x170 [ 2983.119519][ T74] do_syscall_64+0xc6/0x1e0 [ 2983.119519][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2983.119519][ T74] [ 2983.121387][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2983.121387][ T74] netdev_get_by_index+0x5e/0x80 [ 2983.121387][ T74] fib6_nh_init+0x3d8/0x1580 [ 2983.121387][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2983.121387][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2983.121387][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2983.121387][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2983.121387][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2983.121387][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2983.121387][ T74] addrconf_dad_begin+0x310/0x670 [ 2983.121387][ T74] addrconf_dad_work+0x10b/0xab0 [ 2983.121387][ T74] process_one_work+0x84d/0x18a0 [ 2983.121387][ T74] worker_thread+0x587/0xd30 [ 2983.121387][ T74] kthread+0x28a/0x350 [ 2983.121387][ T74] ret_from_fork+0x31/0x70 [ 2983.121387][ T74] ret_from_fork_asm+0x1a/0x30 [ 2983.121387][ T74] [ 2983.123291][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2983.123291][ T74] netdev_get_by_index+0x5e/0x80 [ 2983.123291][ T74] fib6_nh_init+0x3d8/0x1580 [ 2983.123291][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2983.123291][ T74] ip6_route_add+0x1c/0x140 [ 2983.123291][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2983.123291][ T74] inet6_addr_add+0x4f8/0xa40 [ 2983.123291][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2983.123291][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2983.123291][ T74] netlink_rcv_skb+0x130/0x360 [ 2983.123291][ T74] netlink_unicast+0x449/0x710 [ 2983.123291][ T74] netlink_sendmsg+0x723/0xbe0 [ 2983.123291][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2983.123291][ T74] ___sys_sendmsg+0xee/0x170 [ 2983.123291][ T74] __sys_sendmsg+0xcd/0x170 [ 2983.123291][ T74] do_syscall_64+0xc6/0x1e0 [ 2983.123291][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2983.123291][ T74] [ 2983.125301][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2983.125301][ T74] netdev_get_by_index+0x5e/0x80 [ 2983.125301][ T74] fib6_nh_init+0x3d8/0x1580 [ 2983.125301][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2983.125301][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2983.125301][ T74] ipv6_add_addr+0x411/0x2000 [ 2983.125301][ T74] inet6_addr_add+0x30e/0xa40 [ 2983.125301][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2983.125301][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2983.125301][ T74] netlink_rcv_skb+0x130/0x360 [ 2983.125301][ T74] netlink_unicast+0x449/0x710 [ 2983.125301][ T74] netlink_sendmsg+0x723/0xbe0 [ 2983.125301][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2983.125301][ T74] ___sys_sendmsg+0xee/0x170 [ 2983.125301][ T74] __sys_sendmsg+0xcd/0x170 [ 2983.125301][ T74] do_syscall_64+0xc6/0x1e0 [ 2983.125301][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2983.125301][ T74] [ 2983.127293][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2983.127293][ T74] netdev_get_by_index+0x5e/0x80 [ 2983.127293][ T74] fib6_nh_init+0x3d8/0x1580 [ 2983.127293][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2983.127293][ T74] ip6_route_add+0x1c/0x140 [ 2983.127293][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2983.127293][ T74] addrconf_add_dev+0xe2/0x170 [ 2983.127293][ T74] inet6_addr_add+0x12f/0xa40 [ 2983.127293][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2983.127293][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2983.127293][ T74] netlink_rcv_skb+0x130/0x360 [ 2983.127293][ T74] netlink_unicast+0x449/0x710 [ 2983.127293][ T74] netlink_sendmsg+0x723/0xbe0 [ 2983.127293][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2983.127293][ T74] ___sys_sendmsg+0xee/0x170 [ 2983.127293][ T74] __sys_sendmsg+0xcd/0x170 [ 2983.127293][ T74] do_syscall_64+0xc6/0x1e0 [ 2983.127293][ T74] [ 2983.129247][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2983.129247][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2983.129247][ T74] ipv6_find_idev+0x102/0x170 [ 2983.129247][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2983.129247][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2983.129247][ T74] netlink_rcv_skb+0x130/0x360 [ 2983.129247][ T74] netlink_unicast+0x449/0x710 [ 2983.129247][ T74] netlink_sendmsg+0x723/0xbe0 [ 2983.129247][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2983.129247][ T74] ___sys_sendmsg+0xee/0x170 [ 2983.129247][ T74] __sys_sendmsg+0xcd/0x170 [ 2983.129247][ T74] do_syscall_64+0xc6/0x1e0 [ 2983.129247][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2983.129247][ T74] [ 2983.130910][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2983.130910][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2983.130910][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2983.130910][ T74] ipv6_find_idev+0x102/0x170 [ 2983.130910][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2983.130910][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2983.130910][ T74] netlink_rcv_skb+0x130/0x360 [ 2983.130910][ T74] netlink_unicast+0x449/0x710 [ 2983.130910][ T74] netlink_sendmsg+0x723/0xbe0 [ 2983.130910][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2983.130910][ T74] ___sys_sendmsg+0xee/0x170 [ 2983.130910][ T74] __sys_sendmsg+0xcd/0x170 [ 2983.130910][ T74] do_syscall_64+0xc6/0x1e0 [ 2983.130910][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2983.130910][ T74] [ 2983.132885][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2983.133134][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2983.133134][ T74] netdev_get_by_index+0x5e/0x80 [ 2983.133134][ T74] fib6_nh_init+0x3d8/0x1580 [ 2983.133134][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2983.133134][ T74] ip6_route_add+0x1c/0x140 [ 2983.133134][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2983.133134][ T74] inet6_addr_add+0x4f8/0xa40 [ 2983.133134][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2983.133134][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2983.133134][ T74] netlink_rcv_skb+0x130/0x360 [ 2983.133134][ T74] netlink_unicast+0x449/0x710 [ 2983.133134][ T74] netlink_sendmsg+0x723/0xbe0 [ 2983.133134][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2983.133134][ T74] ___sys_sendmsg+0xee/0x170 [ 2983.133134][ T74] __sys_sendmsg+0xcd/0x170 [ 2983.133134][ T74] do_syscall_64+0xc6/0x1e0 [ 2983.133134][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2983.133134][ T74] [ 2983.135427][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2983.135427][ T74] netdev_get_by_index+0x5e/0x80 [ 2983.135427][ T74] fib6_nh_init+0x3d8/0x1580 [ 2983.135427][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2983.135427][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2983.135427][ T74] ipv6_add_addr+0x411/0x2000 [ 2983.135427][ T74] inet6_addr_add+0x30e/0xa40 [ 2983.135427][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2983.135427][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2983.135427][ T74] netlink_rcv_skb+0x130/0x360 [ 2983.135427][ T74] netlink_unicast+0x449/0x710 [ 2983.135427][ T74] netlink_sendmsg+0x723/0xbe0 [ 2983.135427][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2983.135427][ T74] ___sys_sendmsg+0xee/0x170 [ 2983.135427][ T74] __sys_sendmsg+0xcd/0x170 [ 2983.135427][ T74] do_syscall_64+0xc6/0x1e0 [ 2983.135427][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2983.135427][ T74] [ 2983.137647][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2983.137647][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2983.137647][ T74] ipv6_find_idev+0x102/0x170 [ 2983.137647][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2983.137647][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2983.137647][ T74] netlink_rcv_skb+0x130/0x360 [ 2983.137647][ T74] netlink_unicast+0x449/0x710 [ 2983.137647][ T74] netlink_sendmsg+0x723/0xbe0 [ 2983.137647][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2983.137647][ T74] ___sys_sendmsg+0xee/0x170 [ 2983.137647][ T74] __sys_sendmsg+0xcd/0x170 [ 2983.137647][ T74] do_syscall_64+0xc6/0x1e0 [ 2983.137647][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2983.137647][ T74] [ 2983.139296][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2983.139296][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2983.139296][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2983.139296][ T74] ipv6_find_idev+0x102/0x170 [ 2983.139296][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2983.139296][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2983.139296][ T74] netlink_rcv_skb+0x130/0x360 [ 2983.139296][ T74] netlink_unicast+0x449/0x710 [ 2983.139296][ T74] netlink_sendmsg+0x723/0xbe0 [ 2983.139296][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2983.139296][ T74] ___sys_sendmsg+0xee/0x170 [ 2983.139296][ T74] __sys_sendmsg+0xcd/0x170 [ 2983.139296][ T74] do_syscall_64+0xc6/0x1e0 [ 2983.139296][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2983.139296][ T74] [ 2993.383914][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 2993.384342][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2993.384342][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2993.384342][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2993.384342][ T74] fib6_nh_init+0xa22/0x1580 [ 2993.384342][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2993.384342][ T74] ip6_route_add+0x1c/0x140 [ 2993.384342][ T74] inet6_rtm_newroute+0x104/0x110 [ 2993.384342][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2993.384342][ T74] netlink_rcv_skb+0x130/0x360 [ 2993.384342][ T74] netlink_unicast+0x449/0x710 [ 2993.384342][ T74] netlink_sendmsg+0x723/0xbe0 [ 2993.384342][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2993.384342][ T74] ___sys_sendmsg+0xee/0x170 [ 2993.384342][ T74] __sys_sendmsg+0xcd/0x170 [ 2993.384342][ T74] do_syscall_64+0xc6/0x1e0 [ 2993.384342][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2993.384342][ T74] [ 2993.386242][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2993.386242][ T74] netdev_get_by_index+0x5e/0x80 [ 2993.386242][ T74] fib6_nh_init+0x3d8/0x1580 [ 2993.386242][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2993.386242][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2993.386242][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2993.386242][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2993.386242][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2993.386242][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2993.386242][ T74] addrconf_dad_begin+0x310/0x670 [ 2993.386242][ T74] addrconf_dad_work+0x10b/0xab0 [ 2993.386242][ T74] process_one_work+0x84d/0x18a0 [ 2993.386242][ T74] worker_thread+0x587/0xd30 [ 2993.386242][ T74] kthread+0x28a/0x350 [ 2993.386242][ T74] ret_from_fork+0x31/0x70 [ 2993.386242][ T74] ret_from_fork_asm+0x1a/0x30 [ 2993.386242][ T74] [ 2993.388147][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2993.388147][ T74] netdev_get_by_index+0x5e/0x80 [ 2993.388147][ T74] fib6_nh_init+0x3d8/0x1580 [ 2993.388147][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2993.388147][ T74] ip6_route_add+0x1c/0x140 [ 2993.388147][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2993.388147][ T74] inet6_addr_add+0x4f8/0xa40 [ 2993.388147][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2993.388147][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2993.388147][ T74] netlink_rcv_skb+0x130/0x360 [ 2993.388147][ T74] netlink_unicast+0x449/0x710 [ 2993.388147][ T74] netlink_sendmsg+0x723/0xbe0 [ 2993.388147][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2993.388147][ T74] ___sys_sendmsg+0xee/0x170 [ 2993.388147][ T74] __sys_sendmsg+0xcd/0x170 [ 2993.388147][ T74] do_syscall_64+0xc6/0x1e0 [ 2993.388147][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2993.388147][ T74] [ 2993.390141][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2993.390141][ T74] netdev_get_by_index+0x5e/0x80 [ 2993.390141][ T74] fib6_nh_init+0x3d8/0x1580 [ 2993.390141][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2993.390141][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2993.390141][ T74] ipv6_add_addr+0x411/0x2000 [ 2993.390141][ T74] inet6_addr_add+0x30e/0xa40 [ 2993.390141][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2993.390141][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2993.390141][ T74] netlink_rcv_skb+0x130/0x360 [ 2993.390141][ T74] netlink_unicast+0x449/0x710 [ 2993.390141][ T74] netlink_sendmsg+0x723/0xbe0 [ 2993.390141][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2993.390141][ T74] ___sys_sendmsg+0xee/0x170 [ 2993.390141][ T74] __sys_sendmsg+0xcd/0x170 [ 2993.390141][ T74] do_syscall_64+0xc6/0x1e0 [ 2993.390141][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2993.390141][ T74] [ 2993.392130][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2993.392130][ T74] netdev_get_by_index+0x5e/0x80 [ 2993.392130][ T74] fib6_nh_init+0x3d8/0x1580 [ 2993.392130][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2993.392130][ T74] ip6_route_add+0x1c/0x140 [ 2993.392130][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2993.392130][ T74] addrconf_add_dev+0xe2/0x170 [ 2993.392130][ T74] inet6_addr_add+0x12f/0xa40 [ 2993.392130][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2993.392130][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2993.392130][ T74] netlink_rcv_skb+0x130/0x360 [ 2993.392130][ T74] netlink_unicast+0x449/0x710 [ 2993.392130][ T74] netlink_sendmsg+0x723/0xbe0 [ 2993.392130][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2993.392130][ T74] ___sys_sendmsg+0xee/0x170 [ 2993.392130][ T74] __sys_sendmsg+0xcd/0x170 [ 2993.392130][ T74] do_syscall_64+0xc6/0x1e0 [ 2993.392130][ T74] [ 2993.394082][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2993.394082][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2993.394082][ T74] ipv6_find_idev+0x102/0x170 [ 2993.394082][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2993.394082][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2993.394082][ T74] netlink_rcv_skb+0x130/0x360 [ 2993.394082][ T74] netlink_unicast+0x449/0x710 [ 2993.394082][ T74] netlink_sendmsg+0x723/0xbe0 [ 2993.394082][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2993.394082][ T74] ___sys_sendmsg+0xee/0x170 [ 2993.394082][ T74] __sys_sendmsg+0xcd/0x170 [ 2993.394082][ T74] do_syscall_64+0xc6/0x1e0 [ 2993.394082][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2993.394082][ T74] [ 2993.395626][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 2993.395626][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2993.395626][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2993.395626][ T74] ipv6_find_idev+0x102/0x170 [ 2993.395626][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2993.395626][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2993.395626][ T74] netlink_rcv_skb+0x130/0x360 [ 2993.395626][ T74] netlink_unicast+0x449/0x710 [ 2993.395626][ T74] netlink_sendmsg+0x723/0xbe0 [ 2993.395626][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2993.395626][ T74] ___sys_sendmsg+0xee/0x170 [ 2993.395626][ T74] __sys_sendmsg+0xcd/0x170 [ 2993.395626][ T74] do_syscall_64+0xc6/0x1e0 [ 2993.395626][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2993.395626][ T74] [ 2993.397350][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 2993.397626][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 2993.397626][ T74] dst_init+0x84/0x4a0 [ 2993.397626][ T74] dst_alloc+0x97/0x150 [ 2993.397626][ T74] ip6_dst_alloc+0x23/0x90 [ 2993.397626][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2993.397626][ T74] ip6_pol_route+0x56f/0x840 [ 2993.397626][ T74] fib6_rule_lookup+0x456/0x630 [ 2993.397626][ T74] ip6_route_input+0x59c/0xa50 [ 2993.397626][ T74] ipv6_rcv+0x397/0x810 [ 2993.397626][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 2993.397626][ T74] process_backlog+0x101/0x620 [ 2993.397626][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 2993.397626][ T74] net_rx_action+0x495/0xbe0 [ 2993.397626][ T74] __do_softirq+0x1b5/0x7f6 [ 2993.397626][ T74] [ 2993.399253][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2993.399253][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 2993.399253][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 2993.399253][ T74] fib6_nh_init+0xa22/0x1580 [ 2993.399253][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2993.399253][ T74] ip6_route_add+0x1c/0x140 [ 2993.399253][ T74] inet6_rtm_newroute+0x104/0x110 [ 2993.399253][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2993.399253][ T74] netlink_rcv_skb+0x130/0x360 [ 2993.399253][ T74] netlink_unicast+0x449/0x710 [ 2993.399253][ T74] netlink_sendmsg+0x723/0xbe0 [ 2993.399253][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2993.399253][ T74] ___sys_sendmsg+0xee/0x170 [ 2993.399253][ T74] __sys_sendmsg+0xcd/0x170 [ 2993.399253][ T74] do_syscall_64+0xc6/0x1e0 [ 2993.399253][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2993.399253][ T74] [ 2993.401129][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2993.401129][ T74] netdev_get_by_index+0x5e/0x80 [ 2993.401129][ T74] fib6_nh_init+0x3d8/0x1580 [ 2993.401129][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2993.401129][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2993.401129][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2993.401129][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2993.401129][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2993.401129][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2993.401129][ T74] addrconf_dad_begin+0x310/0x670 [ 2993.401129][ T74] addrconf_dad_work+0x10b/0xab0 [ 2993.401129][ T74] process_one_work+0x84d/0x18a0 [ 2993.401129][ T74] worker_thread+0x587/0xd30 [ 2993.401129][ T74] kthread+0x28a/0x350 [ 2993.401129][ T74] ret_from_fork+0x31/0x70 [ 2993.401129][ T74] ret_from_fork_asm+0x1a/0x30 [ 2993.401129][ T74] [ 2993.403037][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2993.403037][ T74] netdev_get_by_index+0x5e/0x80 [ 2993.403037][ T74] fib6_nh_init+0x3d8/0x1580 [ 2993.403037][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2993.403037][ T74] ip6_route_add+0x1c/0x140 [ 2993.403037][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2993.403037][ T74] inet6_addr_add+0x4f8/0xa40 [ 2993.403037][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2993.403037][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2993.403037][ T74] netlink_rcv_skb+0x130/0x360 [ 2993.403037][ T74] netlink_unicast+0x449/0x710 [ 2993.403037][ T74] netlink_sendmsg+0x723/0xbe0 [ 2993.403037][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2993.403037][ T74] ___sys_sendmsg+0xee/0x170 [ 2993.403037][ T74] __sys_sendmsg+0xcd/0x170 [ 2993.403037][ T74] do_syscall_64+0xc6/0x1e0 [ 2993.403037][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2993.403037][ T74] [ 2993.405097][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2993.405097][ T74] netdev_get_by_index+0x5e/0x80 [ 2993.405097][ T74] fib6_nh_init+0x3d8/0x1580 [ 2993.405097][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2993.405097][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2993.405097][ T74] ipv6_add_addr+0x411/0x2000 [ 2993.405097][ T74] inet6_addr_add+0x30e/0xa40 [ 2993.405097][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2993.405097][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2993.405097][ T74] netlink_rcv_skb+0x130/0x360 [ 2993.405097][ T74] netlink_unicast+0x449/0x710 [ 2993.405097][ T74] netlink_sendmsg+0x723/0xbe0 [ 2993.405097][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2993.405097][ T74] ___sys_sendmsg+0xee/0x170 [ 2993.405097][ T74] __sys_sendmsg+0xcd/0x170 [ 2993.405097][ T74] do_syscall_64+0xc6/0x1e0 [ 2993.405097][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2993.405097][ T74] [ 2993.407102][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2993.407102][ T74] netdev_get_by_index+0x5e/0x80 [ 2993.407102][ T74] fib6_nh_init+0x3d8/0x1580 [ 2993.407102][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2993.407102][ T74] ip6_route_add+0x1c/0x140 [ 2993.407102][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2993.407102][ T74] addrconf_add_dev+0xe2/0x170 [ 2993.407102][ T74] inet6_addr_add+0x12f/0xa40 [ 2993.407102][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2993.407102][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2993.407102][ T74] netlink_rcv_skb+0x130/0x360 [ 2993.407102][ T74] netlink_unicast+0x449/0x710 [ 2993.407102][ T74] netlink_sendmsg+0x723/0xbe0 [ 2993.407102][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2993.407102][ T74] ___sys_sendmsg+0xee/0x170 [ 2993.407102][ T74] __sys_sendmsg+0xcd/0x170 [ 2993.407102][ T74] do_syscall_64+0xc6/0x1e0 [ 2993.407102][ T74] [ 2993.409072][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2993.409072][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2993.409072][ T74] ipv6_find_idev+0x102/0x170 [ 2993.409072][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2993.409072][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2993.409072][ T74] netlink_rcv_skb+0x130/0x360 [ 2993.409072][ T74] netlink_unicast+0x449/0x710 [ 2993.409072][ T74] netlink_sendmsg+0x723/0xbe0 [ 2993.409072][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2993.409072][ T74] ___sys_sendmsg+0xee/0x170 [ 2993.409072][ T74] __sys_sendmsg+0xcd/0x170 [ 2993.409072][ T74] do_syscall_64+0xc6/0x1e0 [ 2993.409072][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2993.409072][ T74] [ 2993.410728][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 2993.410728][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2993.410728][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2993.410728][ T74] ipv6_find_idev+0x102/0x170 [ 2993.410728][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2993.410728][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2993.410728][ T74] netlink_rcv_skb+0x130/0x360 [ 2993.410728][ T74] netlink_unicast+0x449/0x710 [ 2993.410728][ T74] netlink_sendmsg+0x723/0xbe0 [ 2993.410728][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2993.410728][ T74] ___sys_sendmsg+0xee/0x170 [ 2993.410728][ T74] __sys_sendmsg+0xcd/0x170 [ 2993.410728][ T74] do_syscall_64+0xc6/0x1e0 [ 2993.410728][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2993.410728][ T74] [ 2993.412750][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 2993.413015][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2993.413015][ T74] netdev_get_by_index+0x5e/0x80 [ 2993.413015][ T74] fib6_nh_init+0x3d8/0x1580 [ 2993.413015][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2993.413015][ T74] ip6_route_add+0x1c/0x140 [ 2993.413015][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2993.413015][ T74] inet6_addr_add+0x4f8/0xa40 [ 2993.413015][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2993.413015][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2993.413015][ T74] netlink_rcv_skb+0x130/0x360 [ 2993.413015][ T74] netlink_unicast+0x449/0x710 [ 2993.413015][ T74] netlink_sendmsg+0x723/0xbe0 [ 2993.413015][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2993.413015][ T74] ___sys_sendmsg+0xee/0x170 [ 2993.413015][ T74] __sys_sendmsg+0xcd/0x170 [ 2993.413015][ T74] do_syscall_64+0xc6/0x1e0 [ 2993.413015][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2993.413015][ T74] [ 2993.415271][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2993.415271][ T74] netdev_get_by_index+0x5e/0x80 [ 2993.415271][ T74] fib6_nh_init+0x3d8/0x1580 [ 2993.415271][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2993.415271][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2993.415271][ T74] ipv6_add_addr+0x411/0x2000 [ 2993.415271][ T74] inet6_addr_add+0x30e/0xa40 [ 2993.415271][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2993.415271][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2993.415271][ T74] netlink_rcv_skb+0x130/0x360 [ 2993.415271][ T74] netlink_unicast+0x449/0x710 [ 2993.415271][ T74] netlink_sendmsg+0x723/0xbe0 [ 2993.415271][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2993.415271][ T74] ___sys_sendmsg+0xee/0x170 [ 2993.415271][ T74] __sys_sendmsg+0xcd/0x170 [ 2993.415271][ T74] do_syscall_64+0xc6/0x1e0 [ 2993.415271][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2993.415271][ T74] [ 2993.417490][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2993.417490][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2993.417490][ T74] ipv6_find_idev+0x102/0x170 [ 2993.417490][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2993.417490][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2993.417490][ T74] netlink_rcv_skb+0x130/0x360 [ 2993.417490][ T74] netlink_unicast+0x449/0x710 [ 2993.417490][ T74] netlink_sendmsg+0x723/0xbe0 [ 2993.417490][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2993.417490][ T74] ___sys_sendmsg+0xee/0x170 [ 2993.417490][ T74] __sys_sendmsg+0xcd/0x170 [ 2993.417490][ T74] do_syscall_64+0xc6/0x1e0 [ 2993.417490][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2993.417490][ T74] [ 2993.419136][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 2993.419136][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2993.419136][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2993.419136][ T74] ipv6_find_idev+0x102/0x170 [ 2993.419136][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2993.419136][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2993.419136][ T74] netlink_rcv_skb+0x130/0x360 [ 2993.419136][ T74] netlink_unicast+0x449/0x710 [ 2993.419136][ T74] netlink_sendmsg+0x723/0xbe0 [ 2993.419136][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2993.419136][ T74] ___sys_sendmsg+0xee/0x170 [ 2993.419136][ T74] __sys_sendmsg+0xcd/0x170 [ 2993.419136][ T74] do_syscall_64+0xc6/0x1e0 [ 2993.419136][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2993.419136][ T74] [ 3003.663933][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3003.664367][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3003.664367][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3003.664367][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3003.664367][ T74] fib6_nh_init+0xa22/0x1580 [ 3003.664367][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3003.664367][ T74] ip6_route_add+0x1c/0x140 [ 3003.664367][ T74] inet6_rtm_newroute+0x104/0x110 [ 3003.664367][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3003.664367][ T74] netlink_rcv_skb+0x130/0x360 [ 3003.664367][ T74] netlink_unicast+0x449/0x710 [ 3003.664367][ T74] netlink_sendmsg+0x723/0xbe0 [ 3003.664367][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3003.664367][ T74] ___sys_sendmsg+0xee/0x170 [ 3003.664367][ T74] __sys_sendmsg+0xcd/0x170 [ 3003.664367][ T74] do_syscall_64+0xc6/0x1e0 [ 3003.664367][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3003.664367][ T74] [ 3003.666279][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3003.666279][ T74] netdev_get_by_index+0x5e/0x80 [ 3003.666279][ T74] fib6_nh_init+0x3d8/0x1580 [ 3003.666279][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3003.666279][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3003.666279][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3003.666279][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3003.666279][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3003.666279][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3003.666279][ T74] addrconf_dad_begin+0x310/0x670 [ 3003.666279][ T74] addrconf_dad_work+0x10b/0xab0 [ 3003.666279][ T74] process_one_work+0x84d/0x18a0 [ 3003.666279][ T74] worker_thread+0x587/0xd30 [ 3003.666279][ T74] kthread+0x28a/0x350 [ 3003.666279][ T74] ret_from_fork+0x31/0x70 [ 3003.666279][ T74] ret_from_fork_asm+0x1a/0x30 [ 3003.666279][ T74] [ 3003.668219][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3003.668219][ T74] netdev_get_by_index+0x5e/0x80 [ 3003.668219][ T74] fib6_nh_init+0x3d8/0x1580 [ 3003.668219][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3003.668219][ T74] ip6_route_add+0x1c/0x140 [ 3003.668219][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3003.668219][ T74] inet6_addr_add+0x4f8/0xa40 [ 3003.668219][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3003.668219][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3003.668219][ T74] netlink_rcv_skb+0x130/0x360 [ 3003.668219][ T74] netlink_unicast+0x449/0x710 [ 3003.668219][ T74] netlink_sendmsg+0x723/0xbe0 [ 3003.668219][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3003.668219][ T74] ___sys_sendmsg+0xee/0x170 [ 3003.668219][ T74] __sys_sendmsg+0xcd/0x170 [ 3003.668219][ T74] do_syscall_64+0xc6/0x1e0 [ 3003.668219][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3003.668219][ T74] [ 3003.670218][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3003.670218][ T74] netdev_get_by_index+0x5e/0x80 [ 3003.670218][ T74] fib6_nh_init+0x3d8/0x1580 [ 3003.670218][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3003.670218][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3003.670218][ T74] ipv6_add_addr+0x411/0x2000 [ 3003.670218][ T74] inet6_addr_add+0x30e/0xa40 [ 3003.670218][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3003.670218][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3003.670218][ T74] netlink_rcv_skb+0x130/0x360 [ 3003.670218][ T74] netlink_unicast+0x449/0x710 [ 3003.670218][ T74] netlink_sendmsg+0x723/0xbe0 [ 3003.670218][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3003.670218][ T74] ___sys_sendmsg+0xee/0x170 [ 3003.670218][ T74] __sys_sendmsg+0xcd/0x170 [ 3003.670218][ T74] do_syscall_64+0xc6/0x1e0 [ 3003.670218][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3003.670218][ T74] [ 3003.672253][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3003.672253][ T74] netdev_get_by_index+0x5e/0x80 [ 3003.672253][ T74] fib6_nh_init+0x3d8/0x1580 [ 3003.672253][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3003.672253][ T74] ip6_route_add+0x1c/0x140 [ 3003.672253][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3003.672253][ T74] addrconf_add_dev+0xe2/0x170 [ 3003.672253][ T74] inet6_addr_add+0x12f/0xa40 [ 3003.672253][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3003.672253][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3003.672253][ T74] netlink_rcv_skb+0x130/0x360 [ 3003.672253][ T74] netlink_unicast+0x449/0x710 [ 3003.672253][ T74] netlink_sendmsg+0x723/0xbe0 [ 3003.672253][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3003.672253][ T74] ___sys_sendmsg+0xee/0x170 [ 3003.672253][ T74] __sys_sendmsg+0xcd/0x170 [ 3003.672253][ T74] do_syscall_64+0xc6/0x1e0 [ 3003.672253][ T74] [ 3003.674220][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3003.674220][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3003.674220][ T74] ipv6_find_idev+0x102/0x170 [ 3003.674220][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3003.674220][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3003.674220][ T74] netlink_rcv_skb+0x130/0x360 [ 3003.674220][ T74] netlink_unicast+0x449/0x710 [ 3003.674220][ T74] netlink_sendmsg+0x723/0xbe0 [ 3003.674220][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3003.674220][ T74] ___sys_sendmsg+0xee/0x170 [ 3003.674220][ T74] __sys_sendmsg+0xcd/0x170 [ 3003.674220][ T74] do_syscall_64+0xc6/0x1e0 [ 3003.674220][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3003.674220][ T74] [ 3003.675779][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3003.675779][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3003.675779][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3003.675779][ T74] ipv6_find_idev+0x102/0x170 [ 3003.675779][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3003.675779][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3003.675779][ T74] netlink_rcv_skb+0x130/0x360 [ 3003.675779][ T74] netlink_unicast+0x449/0x710 [ 3003.675779][ T74] netlink_sendmsg+0x723/0xbe0 [ 3003.675779][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3003.675779][ T74] ___sys_sendmsg+0xee/0x170 [ 3003.675779][ T74] __sys_sendmsg+0xcd/0x170 [ 3003.675779][ T74] do_syscall_64+0xc6/0x1e0 [ 3003.675779][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3003.675779][ T74] [ 3003.677490][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3003.677762][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3003.677762][ T74] dst_init+0x84/0x4a0 [ 3003.677762][ T74] dst_alloc+0x97/0x150 [ 3003.677762][ T74] ip6_dst_alloc+0x23/0x90 [ 3003.677762][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3003.677762][ T74] ip6_pol_route+0x56f/0x840 [ 3003.677762][ T74] fib6_rule_lookup+0x456/0x630 [ 3003.677762][ T74] ip6_route_input+0x59c/0xa50 [ 3003.677762][ T74] ipv6_rcv+0x397/0x810 [ 3003.677762][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3003.677762][ T74] process_backlog+0x101/0x620 [ 3003.677762][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3003.677762][ T74] net_rx_action+0x495/0xbe0 [ 3003.677762][ T74] __do_softirq+0x1b5/0x7f6 [ 3003.677762][ T74] [ 3003.679395][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3003.679395][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3003.679395][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3003.679395][ T74] fib6_nh_init+0xa22/0x1580 [ 3003.679395][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3003.679395][ T74] ip6_route_add+0x1c/0x140 [ 3003.679395][ T74] inet6_rtm_newroute+0x104/0x110 [ 3003.679395][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3003.679395][ T74] netlink_rcv_skb+0x130/0x360 [ 3003.679395][ T74] netlink_unicast+0x449/0x710 [ 3003.679395][ T74] netlink_sendmsg+0x723/0xbe0 [ 3003.679395][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3003.679395][ T74] ___sys_sendmsg+0xee/0x170 [ 3003.679395][ T74] __sys_sendmsg+0xcd/0x170 [ 3003.679395][ T74] do_syscall_64+0xc6/0x1e0 [ 3003.679395][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3003.679395][ T74] [ 3003.681269][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3003.681269][ T74] netdev_get_by_index+0x5e/0x80 [ 3003.681269][ T74] fib6_nh_init+0x3d8/0x1580 [ 3003.681269][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3003.681269][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3003.681269][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3003.681269][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3003.681269][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3003.681269][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3003.681269][ T74] addrconf_dad_begin+0x310/0x670 [ 3003.681269][ T74] addrconf_dad_work+0x10b/0xab0 [ 3003.681269][ T74] process_one_work+0x84d/0x18a0 [ 3003.681269][ T74] worker_thread+0x587/0xd30 [ 3003.681269][ T74] kthread+0x28a/0x350 [ 3003.681269][ T74] ret_from_fork+0x31/0x70 [ 3003.681269][ T74] ret_from_fork_asm+0x1a/0x30 [ 3003.681269][ T74] [ 3003.683174][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3003.683174][ T74] netdev_get_by_index+0x5e/0x80 [ 3003.683174][ T74] fib6_nh_init+0x3d8/0x1580 [ 3003.683174][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3003.683174][ T74] ip6_route_add+0x1c/0x140 [ 3003.683174][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3003.683174][ T74] inet6_addr_add+0x4f8/0xa40 [ 3003.683174][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3003.683174][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3003.683174][ T74] netlink_rcv_skb+0x130/0x360 [ 3003.683174][ T74] netlink_unicast+0x449/0x710 [ 3003.683174][ T74] netlink_sendmsg+0x723/0xbe0 [ 3003.683174][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3003.683174][ T74] ___sys_sendmsg+0xee/0x170 [ 3003.683174][ T74] __sys_sendmsg+0xcd/0x170 [ 3003.683174][ T74] do_syscall_64+0xc6/0x1e0 [ 3003.683174][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3003.683174][ T74] [ 3003.685798][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3003.685798][ T74] netdev_get_by_index+0x5e/0x80 [ 3003.685798][ T74] fib6_nh_init+0x3d8/0x1580 [ 3003.685798][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3003.685798][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3003.685798][ T74] ipv6_add_addr+0x411/0x2000 [ 3003.685798][ T74] inet6_addr_add+0x30e/0xa40 [ 3003.685798][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3003.685798][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3003.685798][ T74] netlink_rcv_skb+0x130/0x360 [ 3003.685798][ T74] netlink_unicast+0x449/0x710 [ 3003.685798][ T74] netlink_sendmsg+0x723/0xbe0 [ 3003.685798][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3003.685798][ T74] ___sys_sendmsg+0xee/0x170 [ 3003.685798][ T74] __sys_sendmsg+0xcd/0x170 [ 3003.685798][ T74] do_syscall_64+0xc6/0x1e0 [ 3003.685798][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3003.685798][ T74] [ 3003.687792][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3003.687792][ T74] netdev_get_by_index+0x5e/0x80 [ 3003.687792][ T74] fib6_nh_init+0x3d8/0x1580 [ 3003.687792][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3003.687792][ T74] ip6_route_add+0x1c/0x140 [ 3003.687792][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3003.687792][ T74] addrconf_add_dev+0xe2/0x170 [ 3003.687792][ T74] inet6_addr_add+0x12f/0xa40 [ 3003.687792][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3003.687792][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3003.687792][ T74] netlink_rcv_skb+0x130/0x360 [ 3003.687792][ T74] netlink_unicast+0x449/0x710 [ 3003.687792][ T74] netlink_sendmsg+0x723/0xbe0 [ 3003.687792][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3003.687792][ T74] ___sys_sendmsg+0xee/0x170 [ 3003.687792][ T74] __sys_sendmsg+0xcd/0x170 [ 3003.687792][ T74] do_syscall_64+0xc6/0x1e0 [ 3003.687792][ T74] [ 3003.689743][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3003.689743][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3003.689743][ T74] ipv6_find_idev+0x102/0x170 [ 3003.689743][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3003.689743][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3003.689743][ T74] netlink_rcv_skb+0x130/0x360 [ 3003.689743][ T74] netlink_unicast+0x449/0x710 [ 3003.689743][ T74] netlink_sendmsg+0x723/0xbe0 [ 3003.689743][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3003.689743][ T74] ___sys_sendmsg+0xee/0x170 [ 3003.689743][ T74] __sys_sendmsg+0xcd/0x170 [ 3003.689743][ T74] do_syscall_64+0xc6/0x1e0 [ 3003.689743][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3003.689743][ T74] [ 3003.691402][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3003.691402][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3003.691402][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3003.691402][ T74] ipv6_find_idev+0x102/0x170 [ 3003.691402][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3003.691402][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3003.691402][ T74] netlink_rcv_skb+0x130/0x360 [ 3003.691402][ T74] netlink_unicast+0x449/0x710 [ 3003.691402][ T74] netlink_sendmsg+0x723/0xbe0 [ 3003.691402][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3003.691402][ T74] ___sys_sendmsg+0xee/0x170 [ 3003.691402][ T74] __sys_sendmsg+0xcd/0x170 [ 3003.691402][ T74] do_syscall_64+0xc6/0x1e0 [ 3003.691402][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3003.691402][ T74] [ 3003.693380][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3003.693619][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3003.693619][ T74] netdev_get_by_index+0x5e/0x80 [ 3003.693619][ T74] fib6_nh_init+0x3d8/0x1580 [ 3003.693619][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3003.693619][ T74] ip6_route_add+0x1c/0x140 [ 3003.693619][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3003.693619][ T74] inet6_addr_add+0x4f8/0xa40 [ 3003.693619][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3003.693619][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3003.693619][ T74] netlink_rcv_skb+0x130/0x360 [ 3003.693619][ T74] netlink_unicast+0x449/0x710 [ 3003.693619][ T74] netlink_sendmsg+0x723/0xbe0 [ 3003.693619][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3003.693619][ T74] ___sys_sendmsg+0xee/0x170 [ 3003.693619][ T74] __sys_sendmsg+0xcd/0x170 [ 3003.693619][ T74] do_syscall_64+0xc6/0x1e0 [ 3003.693619][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3003.693619][ T74] [ 3003.695859][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3003.695859][ T74] netdev_get_by_index+0x5e/0x80 [ 3003.695859][ T74] fib6_nh_init+0x3d8/0x1580 [ 3003.695859][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3003.695859][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3003.695859][ T74] ipv6_add_addr+0x411/0x2000 [ 3003.695859][ T74] inet6_addr_add+0x30e/0xa40 [ 3003.695859][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3003.695859][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3003.695859][ T74] netlink_rcv_skb+0x130/0x360 [ 3003.695859][ T74] netlink_unicast+0x449/0x710 [ 3003.695859][ T74] netlink_sendmsg+0x723/0xbe0 [ 3003.695859][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3003.695859][ T74] ___sys_sendmsg+0xee/0x170 [ 3003.695859][ T74] __sys_sendmsg+0xcd/0x170 [ 3003.695859][ T74] do_syscall_64+0xc6/0x1e0 [ 3003.695859][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3003.695859][ T74] [ 3003.698091][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3003.698091][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3003.698091][ T74] ipv6_find_idev+0x102/0x170 [ 3003.698091][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3003.698091][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3003.698091][ T74] netlink_rcv_skb+0x130/0x360 [ 3003.698091][ T74] netlink_unicast+0x449/0x710 [ 3003.698091][ T74] netlink_sendmsg+0x723/0xbe0 [ 3003.698091][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3003.698091][ T74] ___sys_sendmsg+0xee/0x170 [ 3003.698091][ T74] __sys_sendmsg+0xcd/0x170 [ 3003.698091][ T74] do_syscall_64+0xc6/0x1e0 [ 3003.698091][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3003.698091][ T74] [ 3003.699743][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3003.699743][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3003.699743][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3003.699743][ T74] ipv6_find_idev+0x102/0x170 [ 3003.699743][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3003.699743][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3003.699743][ T74] netlink_rcv_skb+0x130/0x360 [ 3003.699743][ T74] netlink_unicast+0x449/0x710 [ 3003.699743][ T74] netlink_sendmsg+0x723/0xbe0 [ 3003.699743][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3003.699743][ T74] ___sys_sendmsg+0xee/0x170 [ 3003.699743][ T74] __sys_sendmsg+0xcd/0x170 [ 3003.699743][ T74] do_syscall_64+0xc6/0x1e0 [ 3003.699743][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3003.699743][ T74] [ 3013.895917][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3013.896351][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3013.896351][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3013.896351][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3013.896351][ T74] fib6_nh_init+0xa22/0x1580 [ 3013.896351][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3013.896351][ T74] ip6_route_add+0x1c/0x140 [ 3013.896351][ T74] inet6_rtm_newroute+0x104/0x110 [ 3013.896351][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3013.896351][ T74] netlink_rcv_skb+0x130/0x360 [ 3013.896351][ T74] netlink_unicast+0x449/0x710 [ 3013.896351][ T74] netlink_sendmsg+0x723/0xbe0 [ 3013.896351][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3013.896351][ T74] ___sys_sendmsg+0xee/0x170 [ 3013.896351][ T74] __sys_sendmsg+0xcd/0x170 [ 3013.896351][ T74] do_syscall_64+0xc6/0x1e0 [ 3013.896351][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3013.896351][ T74] [ 3013.898362][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3013.898362][ T74] netdev_get_by_index+0x5e/0x80 [ 3013.898362][ T74] fib6_nh_init+0x3d8/0x1580 [ 3013.898362][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3013.898362][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3013.898362][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3013.898362][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3013.898362][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3013.898362][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3013.898362][ T74] addrconf_dad_begin+0x310/0x670 [ 3013.898362][ T74] addrconf_dad_work+0x10b/0xab0 [ 3013.898362][ T74] process_one_work+0x84d/0x18a0 [ 3013.898362][ T74] worker_thread+0x587/0xd30 [ 3013.898362][ T74] kthread+0x28a/0x350 [ 3013.898362][ T74] ret_from_fork+0x31/0x70 [ 3013.898362][ T74] ret_from_fork_asm+0x1a/0x30 [ 3013.898362][ T74] [ 3013.900365][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3013.900365][ T74] netdev_get_by_index+0x5e/0x80 [ 3013.900365][ T74] fib6_nh_init+0x3d8/0x1580 [ 3013.900365][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3013.900365][ T74] ip6_route_add+0x1c/0x140 [ 3013.900365][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3013.900365][ T74] inet6_addr_add+0x4f8/0xa40 [ 3013.900365][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3013.900365][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3013.900365][ T74] netlink_rcv_skb+0x130/0x360 [ 3013.900365][ T74] netlink_unicast+0x449/0x710 [ 3013.900365][ T74] netlink_sendmsg+0x723/0xbe0 [ 3013.900365][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3013.900365][ T74] ___sys_sendmsg+0xee/0x170 [ 3013.900365][ T74] __sys_sendmsg+0xcd/0x170 [ 3013.900365][ T74] do_syscall_64+0xc6/0x1e0 [ 3013.900365][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3013.900365][ T74] [ 3013.902419][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3013.902419][ T74] netdev_get_by_index+0x5e/0x80 [ 3013.902419][ T74] fib6_nh_init+0x3d8/0x1580 [ 3013.902419][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3013.902419][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3013.902419][ T74] ipv6_add_addr+0x411/0x2000 [ 3013.902419][ T74] inet6_addr_add+0x30e/0xa40 [ 3013.902419][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3013.902419][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3013.902419][ T74] netlink_rcv_skb+0x130/0x360 [ 3013.902419][ T74] netlink_unicast+0x449/0x710 [ 3013.902419][ T74] netlink_sendmsg+0x723/0xbe0 [ 3013.902419][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3013.902419][ T74] ___sys_sendmsg+0xee/0x170 [ 3013.902419][ T74] __sys_sendmsg+0xcd/0x170 [ 3013.902419][ T74] do_syscall_64+0xc6/0x1e0 [ 3013.902419][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3013.902419][ T74] [ 3013.904463][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3013.904463][ T74] netdev_get_by_index+0x5e/0x80 [ 3013.904463][ T74] fib6_nh_init+0x3d8/0x1580 [ 3013.904463][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3013.904463][ T74] ip6_route_add+0x1c/0x140 [ 3013.904463][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3013.904463][ T74] addrconf_add_dev+0xe2/0x170 [ 3013.904463][ T74] inet6_addr_add+0x12f/0xa40 [ 3013.904463][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3013.904463][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3013.904463][ T74] netlink_rcv_skb+0x130/0x360 [ 3013.904463][ T74] netlink_unicast+0x449/0x710 [ 3013.904463][ T74] netlink_sendmsg+0x723/0xbe0 [ 3013.904463][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3013.904463][ T74] ___sys_sendmsg+0xee/0x170 [ 3013.904463][ T74] __sys_sendmsg+0xcd/0x170 [ 3013.904463][ T74] do_syscall_64+0xc6/0x1e0 [ 3013.904463][ T74] [ 3013.906450][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3013.906450][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3013.906450][ T74] ipv6_find_idev+0x102/0x170 [ 3013.906450][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3013.906450][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3013.906450][ T74] netlink_rcv_skb+0x130/0x360 [ 3013.906450][ T74] netlink_unicast+0x449/0x710 [ 3013.906450][ T74] netlink_sendmsg+0x723/0xbe0 [ 3013.906450][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3013.906450][ T74] ___sys_sendmsg+0xee/0x170 [ 3013.906450][ T74] __sys_sendmsg+0xcd/0x170 [ 3013.906450][ T74] do_syscall_64+0xc6/0x1e0 [ 3013.906450][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3013.906450][ T74] [ 3013.908006][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3013.908006][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3013.908006][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3013.908006][ T74] ipv6_find_idev+0x102/0x170 [ 3013.908006][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3013.908006][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3013.908006][ T74] netlink_rcv_skb+0x130/0x360 [ 3013.908006][ T74] netlink_unicast+0x449/0x710 [ 3013.908006][ T74] netlink_sendmsg+0x723/0xbe0 [ 3013.908006][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3013.908006][ T74] ___sys_sendmsg+0xee/0x170 [ 3013.908006][ T74] __sys_sendmsg+0xcd/0x170 [ 3013.908006][ T74] do_syscall_64+0xc6/0x1e0 [ 3013.908006][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3013.908006][ T74] [ 3013.909713][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3013.910046][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3013.910046][ T74] dst_init+0x84/0x4a0 [ 3013.910046][ T74] dst_alloc+0x97/0x150 [ 3013.910046][ T74] ip6_dst_alloc+0x23/0x90 [ 3013.910046][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3013.910046][ T74] ip6_pol_route+0x56f/0x840 [ 3013.910046][ T74] fib6_rule_lookup+0x456/0x630 [ 3013.910046][ T74] ip6_route_input+0x59c/0xa50 [ 3013.910046][ T74] ipv6_rcv+0x397/0x810 [ 3013.910046][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3013.910046][ T74] process_backlog+0x101/0x620 [ 3013.910046][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3013.910046][ T74] net_rx_action+0x495/0xbe0 [ 3013.910046][ T74] __do_softirq+0x1b5/0x7f6 [ 3013.910046][ T74] [ 3013.911698][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3013.911698][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3013.911698][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3013.911698][ T74] fib6_nh_init+0xa22/0x1580 [ 3013.911698][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3013.911698][ T74] ip6_route_add+0x1c/0x140 [ 3013.911698][ T74] inet6_rtm_newroute+0x104/0x110 [ 3013.911698][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3013.911698][ T74] netlink_rcv_skb+0x130/0x360 [ 3013.911698][ T74] netlink_unicast+0x449/0x710 [ 3013.911698][ T74] netlink_sendmsg+0x723/0xbe0 [ 3013.911698][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3013.911698][ T74] ___sys_sendmsg+0xee/0x170 [ 3013.911698][ T74] __sys_sendmsg+0xcd/0x170 [ 3013.911698][ T74] do_syscall_64+0xc6/0x1e0 [ 3013.911698][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3013.911698][ T74] [ 3013.913605][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3013.913605][ T74] netdev_get_by_index+0x5e/0x80 [ 3013.913605][ T74] fib6_nh_init+0x3d8/0x1580 [ 3013.913605][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3013.913605][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3013.913605][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3013.913605][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3013.913605][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3013.913605][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3013.913605][ T74] addrconf_dad_begin+0x310/0x670 [ 3013.913605][ T74] addrconf_dad_work+0x10b/0xab0 [ 3013.913605][ T74] process_one_work+0x84d/0x18a0 [ 3013.913605][ T74] worker_thread+0x587/0xd30 [ 3013.913605][ T74] kthread+0x28a/0x350 [ 3013.913605][ T74] ret_from_fork+0x31/0x70 [ 3013.913605][ T74] ret_from_fork_asm+0x1a/0x30 [ 3013.913605][ T74] [ 3013.915595][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3013.915595][ T74] netdev_get_by_index+0x5e/0x80 [ 3013.915595][ T74] fib6_nh_init+0x3d8/0x1580 [ 3013.915595][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3013.915595][ T74] ip6_route_add+0x1c/0x140 [ 3013.915595][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3013.915595][ T74] inet6_addr_add+0x4f8/0xa40 [ 3013.915595][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3013.915595][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3013.915595][ T74] netlink_rcv_skb+0x130/0x360 [ 3013.915595][ T74] netlink_unicast+0x449/0x710 [ 3013.915595][ T74] netlink_sendmsg+0x723/0xbe0 [ 3013.915595][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3013.915595][ T74] ___sys_sendmsg+0xee/0x170 [ 3013.915595][ T74] __sys_sendmsg+0xcd/0x170 [ 3013.915595][ T74] do_syscall_64+0xc6/0x1e0 [ 3013.915595][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3013.915595][ T74] [ 3013.917604][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3013.917604][ T74] netdev_get_by_index+0x5e/0x80 [ 3013.917604][ T74] fib6_nh_init+0x3d8/0x1580 [ 3013.917604][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3013.917604][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3013.917604][ T74] ipv6_add_addr+0x411/0x2000 [ 3013.917604][ T74] inet6_addr_add+0x30e/0xa40 [ 3013.917604][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3013.917604][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3013.917604][ T74] netlink_rcv_skb+0x130/0x360 [ 3013.917604][ T74] netlink_unicast+0x449/0x710 [ 3013.917604][ T74] netlink_sendmsg+0x723/0xbe0 [ 3013.917604][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3013.917604][ T74] ___sys_sendmsg+0xee/0x170 [ 3013.917604][ T74] __sys_sendmsg+0xcd/0x170 [ 3013.917604][ T74] do_syscall_64+0xc6/0x1e0 [ 3013.917604][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3013.917604][ T74] [ 3013.920153][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3013.920153][ T74] netdev_get_by_index+0x5e/0x80 [ 3013.920153][ T74] fib6_nh_init+0x3d8/0x1580 [ 3013.920153][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3013.920153][ T74] ip6_route_add+0x1c/0x140 [ 3013.920153][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3013.920153][ T74] addrconf_add_dev+0xe2/0x170 [ 3013.920153][ T74] inet6_addr_add+0x12f/0xa40 [ 3013.920153][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3013.920153][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3013.920153][ T74] netlink_rcv_skb+0x130/0x360 [ 3013.920153][ T74] netlink_unicast+0x449/0x710 [ 3013.920153][ T74] netlink_sendmsg+0x723/0xbe0 [ 3013.920153][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3013.920153][ T74] ___sys_sendmsg+0xee/0x170 [ 3013.920153][ T74] __sys_sendmsg+0xcd/0x170 [ 3013.920153][ T74] do_syscall_64+0xc6/0x1e0 [ 3013.920153][ T74] [ 3013.922151][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3013.922151][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3013.922151][ T74] ipv6_find_idev+0x102/0x170 [ 3013.922151][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3013.922151][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3013.922151][ T74] netlink_rcv_skb+0x130/0x360 [ 3013.922151][ T74] netlink_unicast+0x449/0x710 [ 3013.922151][ T74] netlink_sendmsg+0x723/0xbe0 [ 3013.922151][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3013.922151][ T74] ___sys_sendmsg+0xee/0x170 [ 3013.922151][ T74] __sys_sendmsg+0xcd/0x170 [ 3013.922151][ T74] do_syscall_64+0xc6/0x1e0 [ 3013.922151][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3013.922151][ T74] [ 3013.923844][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3013.923844][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3013.923844][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3013.923844][ T74] ipv6_find_idev+0x102/0x170 [ 3013.923844][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3013.923844][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3013.923844][ T74] netlink_rcv_skb+0x130/0x360 [ 3013.923844][ T74] netlink_unicast+0x449/0x710 [ 3013.923844][ T74] netlink_sendmsg+0x723/0xbe0 [ 3013.923844][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3013.923844][ T74] ___sys_sendmsg+0xee/0x170 [ 3013.923844][ T74] __sys_sendmsg+0xcd/0x170 [ 3013.923844][ T74] do_syscall_64+0xc6/0x1e0 [ 3013.923844][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3013.923844][ T74] [ 3013.925689][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3013.925969][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3013.925969][ T74] netdev_get_by_index+0x5e/0x80 [ 3013.925969][ T74] fib6_nh_init+0x3d8/0x1580 [ 3013.925969][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3013.925969][ T74] ip6_route_add+0x1c/0x140 [ 3013.925969][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3013.925969][ T74] inet6_addr_add+0x4f8/0xa40 [ 3013.925969][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3013.925969][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3013.925969][ T74] netlink_rcv_skb+0x130/0x360 [ 3013.925969][ T74] netlink_unicast+0x449/0x710 [ 3013.925969][ T74] netlink_sendmsg+0x723/0xbe0 [ 3013.925969][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3013.925969][ T74] ___sys_sendmsg+0xee/0x170 [ 3013.925969][ T74] __sys_sendmsg+0xcd/0x170 [ 3013.925969][ T74] do_syscall_64+0xc6/0x1e0 [ 3013.925969][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3013.925969][ T74] [ 3013.928336][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3013.928336][ T74] netdev_get_by_index+0x5e/0x80 [ 3013.928336][ T74] fib6_nh_init+0x3d8/0x1580 [ 3013.928336][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3013.928336][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3013.928336][ T74] ipv6_add_addr+0x411/0x2000 [ 3013.928336][ T74] inet6_addr_add+0x30e/0xa40 [ 3013.928336][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3013.928336][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3013.928336][ T74] netlink_rcv_skb+0x130/0x360 [ 3013.928336][ T74] netlink_unicast+0x449/0x710 [ 3013.928336][ T74] netlink_sendmsg+0x723/0xbe0 [ 3013.928336][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3013.928336][ T74] ___sys_sendmsg+0xee/0x170 [ 3013.928336][ T74] __sys_sendmsg+0xcd/0x170 [ 3013.928336][ T74] do_syscall_64+0xc6/0x1e0 [ 3013.928336][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3013.928336][ T74] [ 3013.930730][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3013.930730][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3013.930730][ T74] ipv6_find_idev+0x102/0x170 [ 3013.930730][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3013.930730][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3013.930730][ T74] netlink_rcv_skb+0x130/0x360 [ 3013.930730][ T74] netlink_unicast+0x449/0x710 [ 3013.930730][ T74] netlink_sendmsg+0x723/0xbe0 [ 3013.930730][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3013.930730][ T74] ___sys_sendmsg+0xee/0x170 [ 3013.930730][ T74] __sys_sendmsg+0xcd/0x170 [ 3013.930730][ T74] do_syscall_64+0xc6/0x1e0 [ 3013.930730][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3013.930730][ T74] [ 3013.932553][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3013.932553][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3013.932553][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3013.932553][ T74] ipv6_find_idev+0x102/0x170 [ 3013.932553][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3013.932553][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3013.932553][ T74] netlink_rcv_skb+0x130/0x360 [ 3013.932553][ T74] netlink_unicast+0x449/0x710 [ 3013.932553][ T74] netlink_sendmsg+0x723/0xbe0 [ 3013.932553][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3013.932553][ T74] ___sys_sendmsg+0xee/0x170 [ 3013.932553][ T74] __sys_sendmsg+0xcd/0x170 [ 3013.932553][ T74] do_syscall_64+0xc6/0x1e0 [ 3013.932553][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3013.932553][ T74] [ 3024.176014][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3024.176449][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3024.176449][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3024.176449][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3024.176449][ T74] fib6_nh_init+0xa22/0x1580 [ 3024.176449][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3024.176449][ T74] ip6_route_add+0x1c/0x140 [ 3024.176449][ T74] inet6_rtm_newroute+0x104/0x110 [ 3024.176449][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3024.176449][ T74] netlink_rcv_skb+0x130/0x360 [ 3024.176449][ T74] netlink_unicast+0x449/0x710 [ 3024.176449][ T74] netlink_sendmsg+0x723/0xbe0 [ 3024.176449][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3024.176449][ T74] ___sys_sendmsg+0xee/0x170 [ 3024.176449][ T74] __sys_sendmsg+0xcd/0x170 [ 3024.176449][ T74] do_syscall_64+0xc6/0x1e0 [ 3024.176449][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3024.176449][ T74] [ 3024.178339][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3024.178339][ T74] netdev_get_by_index+0x5e/0x80 [ 3024.178339][ T74] fib6_nh_init+0x3d8/0x1580 [ 3024.178339][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3024.178339][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3024.178339][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3024.178339][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3024.178339][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3024.178339][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3024.178339][ T74] addrconf_dad_begin+0x310/0x670 [ 3024.178339][ T74] addrconf_dad_work+0x10b/0xab0 [ 3024.178339][ T74] process_one_work+0x84d/0x18a0 [ 3024.178339][ T74] worker_thread+0x587/0xd30 [ 3024.178339][ T74] kthread+0x28a/0x350 [ 3024.178339][ T74] ret_from_fork+0x31/0x70 [ 3024.178339][ T74] ret_from_fork_asm+0x1a/0x30 [ 3024.178339][ T74] [ 3024.180258][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3024.180258][ T74] netdev_get_by_index+0x5e/0x80 [ 3024.180258][ T74] fib6_nh_init+0x3d8/0x1580 [ 3024.180258][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3024.180258][ T74] ip6_route_add+0x1c/0x140 [ 3024.180258][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3024.180258][ T74] inet6_addr_add+0x4f8/0xa40 [ 3024.180258][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3024.180258][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3024.180258][ T74] netlink_rcv_skb+0x130/0x360 [ 3024.180258][ T74] netlink_unicast+0x449/0x710 [ 3024.180258][ T74] netlink_sendmsg+0x723/0xbe0 [ 3024.180258][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3024.180258][ T74] ___sys_sendmsg+0xee/0x170 [ 3024.180258][ T74] __sys_sendmsg+0xcd/0x170 [ 3024.180258][ T74] do_syscall_64+0xc6/0x1e0 [ 3024.180258][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3024.180258][ T74] [ 3024.182258][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3024.182258][ T74] netdev_get_by_index+0x5e/0x80 [ 3024.182258][ T74] fib6_nh_init+0x3d8/0x1580 [ 3024.182258][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3024.182258][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3024.182258][ T74] ipv6_add_addr+0x411/0x2000 [ 3024.182258][ T74] inet6_addr_add+0x30e/0xa40 [ 3024.182258][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3024.182258][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3024.182258][ T74] netlink_rcv_skb+0x130/0x360 [ 3024.182258][ T74] netlink_unicast+0x449/0x710 [ 3024.182258][ T74] netlink_sendmsg+0x723/0xbe0 [ 3024.182258][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3024.182258][ T74] ___sys_sendmsg+0xee/0x170 [ 3024.182258][ T74] __sys_sendmsg+0xcd/0x170 [ 3024.182258][ T74] do_syscall_64+0xc6/0x1e0 [ 3024.182258][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3024.182258][ T74] [ 3024.184310][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3024.184310][ T74] netdev_get_by_index+0x5e/0x80 [ 3024.184310][ T74] fib6_nh_init+0x3d8/0x1580 [ 3024.184310][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3024.184310][ T74] ip6_route_add+0x1c/0x140 [ 3024.184310][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3024.184310][ T74] addrconf_add_dev+0xe2/0x170 [ 3024.184310][ T74] inet6_addr_add+0x12f/0xa40 [ 3024.184310][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3024.184310][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3024.184310][ T74] netlink_rcv_skb+0x130/0x360 [ 3024.184310][ T74] netlink_unicast+0x449/0x710 [ 3024.184310][ T74] netlink_sendmsg+0x723/0xbe0 [ 3024.184310][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3024.184310][ T74] ___sys_sendmsg+0xee/0x170 [ 3024.184310][ T74] __sys_sendmsg+0xcd/0x170 [ 3024.184310][ T74] do_syscall_64+0xc6/0x1e0 [ 3024.184310][ T74] [ 3024.186271][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3024.186271][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3024.186271][ T74] ipv6_find_idev+0x102/0x170 [ 3024.186271][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3024.186271][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3024.186271][ T74] netlink_rcv_skb+0x130/0x360 [ 3024.186271][ T74] netlink_unicast+0x449/0x710 [ 3024.186271][ T74] netlink_sendmsg+0x723/0xbe0 [ 3024.186271][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3024.186271][ T74] ___sys_sendmsg+0xee/0x170 [ 3024.186271][ T74] __sys_sendmsg+0xcd/0x170 [ 3024.186271][ T74] do_syscall_64+0xc6/0x1e0 [ 3024.186271][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3024.186271][ T74] [ 3024.187812][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3024.187812][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3024.187812][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3024.187812][ T74] ipv6_find_idev+0x102/0x170 [ 3024.187812][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3024.187812][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3024.187812][ T74] netlink_rcv_skb+0x130/0x360 [ 3024.187812][ T74] netlink_unicast+0x449/0x710 [ 3024.187812][ T74] netlink_sendmsg+0x723/0xbe0 [ 3024.187812][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3024.187812][ T74] ___sys_sendmsg+0xee/0x170 [ 3024.187812][ T74] __sys_sendmsg+0xcd/0x170 [ 3024.187812][ T74] do_syscall_64+0xc6/0x1e0 [ 3024.187812][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3024.187812][ T74] [ 3024.189490][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3024.189766][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3024.189766][ T74] dst_init+0x84/0x4a0 [ 3024.189766][ T74] dst_alloc+0x97/0x150 [ 3024.189766][ T74] ip6_dst_alloc+0x23/0x90 [ 3024.189766][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3024.189766][ T74] ip6_pol_route+0x56f/0x840 [ 3024.189766][ T74] fib6_rule_lookup+0x456/0x630 [ 3024.189766][ T74] ip6_route_input+0x59c/0xa50 [ 3024.189766][ T74] ipv6_rcv+0x397/0x810 [ 3024.189766][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3024.189766][ T74] process_backlog+0x101/0x620 [ 3024.189766][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3024.189766][ T74] net_rx_action+0x495/0xbe0 [ 3024.189766][ T74] __do_softirq+0x1b5/0x7f6 [ 3024.189766][ T74] [ 3024.191394][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3024.191394][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3024.191394][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3024.191394][ T74] fib6_nh_init+0xa22/0x1580 [ 3024.191394][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3024.191394][ T74] ip6_route_add+0x1c/0x140 [ 3024.191394][ T74] inet6_rtm_newroute+0x104/0x110 [ 3024.191394][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3024.191394][ T74] netlink_rcv_skb+0x130/0x360 [ 3024.191394][ T74] netlink_unicast+0x449/0x710 [ 3024.191394][ T74] netlink_sendmsg+0x723/0xbe0 [ 3024.191394][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3024.191394][ T74] ___sys_sendmsg+0xee/0x170 [ 3024.191394][ T74] __sys_sendmsg+0xcd/0x170 [ 3024.191394][ T74] do_syscall_64+0xc6/0x1e0 [ 3024.191394][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3024.191394][ T74] [ 3024.193265][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3024.193265][ T74] netdev_get_by_index+0x5e/0x80 [ 3024.193265][ T74] fib6_nh_init+0x3d8/0x1580 [ 3024.193265][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3024.193265][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3024.193265][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3024.193265][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3024.193265][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3024.193265][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3024.193265][ T74] addrconf_dad_begin+0x310/0x670 [ 3024.193265][ T74] addrconf_dad_work+0x10b/0xab0 [ 3024.193265][ T74] process_one_work+0x84d/0x18a0 [ 3024.193265][ T74] worker_thread+0x587/0xd30 [ 3024.193265][ T74] kthread+0x28a/0x350 [ 3024.193265][ T74] ret_from_fork+0x31/0x70 [ 3024.193265][ T74] ret_from_fork_asm+0x1a/0x30 [ 3024.193265][ T74] [ 3024.195170][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3024.195170][ T74] netdev_get_by_index+0x5e/0x80 [ 3024.195170][ T74] fib6_nh_init+0x3d8/0x1580 [ 3024.195170][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3024.195170][ T74] ip6_route_add+0x1c/0x140 [ 3024.195170][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3024.195170][ T74] inet6_addr_add+0x4f8/0xa40 [ 3024.195170][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3024.195170][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3024.195170][ T74] netlink_rcv_skb+0x130/0x360 [ 3024.195170][ T74] netlink_unicast+0x449/0x710 [ 3024.195170][ T74] netlink_sendmsg+0x723/0xbe0 [ 3024.195170][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3024.195170][ T74] ___sys_sendmsg+0xee/0x170 [ 3024.195170][ T74] __sys_sendmsg+0xcd/0x170 [ 3024.195170][ T74] do_syscall_64+0xc6/0x1e0 [ 3024.195170][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3024.195170][ T74] [ 3024.197160][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3024.197160][ T74] netdev_get_by_index+0x5e/0x80 [ 3024.197160][ T74] fib6_nh_init+0x3d8/0x1580 [ 3024.197160][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3024.197160][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3024.197160][ T74] ipv6_add_addr+0x411/0x2000 [ 3024.197160][ T74] inet6_addr_add+0x30e/0xa40 [ 3024.197160][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3024.197160][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3024.197160][ T74] netlink_rcv_skb+0x130/0x360 [ 3024.197160][ T74] netlink_unicast+0x449/0x710 [ 3024.197160][ T74] netlink_sendmsg+0x723/0xbe0 [ 3024.197160][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3024.197160][ T74] ___sys_sendmsg+0xee/0x170 [ 3024.197160][ T74] __sys_sendmsg+0xcd/0x170 [ 3024.197160][ T74] do_syscall_64+0xc6/0x1e0 [ 3024.197160][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3024.197160][ T74] [ 3024.199145][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3024.199145][ T74] netdev_get_by_index+0x5e/0x80 [ 3024.199145][ T74] fib6_nh_init+0x3d8/0x1580 [ 3024.199145][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3024.199145][ T74] ip6_route_add+0x1c/0x140 [ 3024.199145][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3024.199145][ T74] addrconf_add_dev+0xe2/0x170 [ 3024.199145][ T74] inet6_addr_add+0x12f/0xa40 [ 3024.199145][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3024.199145][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3024.199145][ T74] netlink_rcv_skb+0x130/0x360 [ 3024.199145][ T74] netlink_unicast+0x449/0x710 [ 3024.199145][ T74] netlink_sendmsg+0x723/0xbe0 [ 3024.199145][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3024.199145][ T74] ___sys_sendmsg+0xee/0x170 [ 3024.199145][ T74] __sys_sendmsg+0xcd/0x170 [ 3024.199145][ T74] do_syscall_64+0xc6/0x1e0 [ 3024.199145][ T74] [ 3024.201096][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3024.201096][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3024.201096][ T74] ipv6_find_idev+0x102/0x170 [ 3024.201096][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3024.201096][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3024.201096][ T74] netlink_rcv_skb+0x130/0x360 [ 3024.201096][ T74] netlink_unicast+0x449/0x710 [ 3024.201096][ T74] netlink_sendmsg+0x723/0xbe0 [ 3024.201096][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3024.201096][ T74] ___sys_sendmsg+0xee/0x170 [ 3024.201096][ T74] __sys_sendmsg+0xcd/0x170 [ 3024.201096][ T74] do_syscall_64+0xc6/0x1e0 [ 3024.201096][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3024.201096][ T74] [ 3024.202812][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3024.202812][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3024.202812][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3024.202812][ T74] ipv6_find_idev+0x102/0x170 [ 3024.202812][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3024.202812][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3024.202812][ T74] netlink_rcv_skb+0x130/0x360 [ 3024.202812][ T74] netlink_unicast+0x449/0x710 [ 3024.202812][ T74] netlink_sendmsg+0x723/0xbe0 [ 3024.202812][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3024.202812][ T74] ___sys_sendmsg+0xee/0x170 [ 3024.202812][ T74] __sys_sendmsg+0xcd/0x170 [ 3024.202812][ T74] do_syscall_64+0xc6/0x1e0 [ 3024.202812][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3024.202812][ T74] [ 3024.204673][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3024.204979][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3024.204979][ T74] netdev_get_by_index+0x5e/0x80 [ 3024.204979][ T74] fib6_nh_init+0x3d8/0x1580 [ 3024.204979][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3024.204979][ T74] ip6_route_add+0x1c/0x140 [ 3024.204979][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3024.204979][ T74] inet6_addr_add+0x4f8/0xa40 [ 3024.204979][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3024.204979][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3024.204979][ T74] netlink_rcv_skb+0x130/0x360 [ 3024.204979][ T74] netlink_unicast+0x449/0x710 [ 3024.204979][ T74] netlink_sendmsg+0x723/0xbe0 [ 3024.204979][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3024.204979][ T74] ___sys_sendmsg+0xee/0x170 [ 3024.204979][ T74] __sys_sendmsg+0xcd/0x170 [ 3024.204979][ T74] do_syscall_64+0xc6/0x1e0 [ 3024.204979][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3024.204979][ T74] [ 3024.207210][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3024.207210][ T74] netdev_get_by_index+0x5e/0x80 [ 3024.207210][ T74] fib6_nh_init+0x3d8/0x1580 [ 3024.207210][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3024.207210][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3024.207210][ T74] ipv6_add_addr+0x411/0x2000 [ 3024.207210][ T74] inet6_addr_add+0x30e/0xa40 [ 3024.207210][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3024.207210][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3024.207210][ T74] netlink_rcv_skb+0x130/0x360 [ 3024.207210][ T74] netlink_unicast+0x449/0x710 [ 3024.207210][ T74] netlink_sendmsg+0x723/0xbe0 [ 3024.207210][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3024.207210][ T74] ___sys_sendmsg+0xee/0x170 [ 3024.207210][ T74] __sys_sendmsg+0xcd/0x170 [ 3024.207210][ T74] do_syscall_64+0xc6/0x1e0 [ 3024.207210][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3024.207210][ T74] [ 3024.209434][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3024.209434][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3024.209434][ T74] ipv6_find_idev+0x102/0x170 [ 3024.209434][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3024.209434][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3024.209434][ T74] netlink_rcv_skb+0x130/0x360 [ 3024.209434][ T74] netlink_unicast+0x449/0x710 [ 3024.209434][ T74] netlink_sendmsg+0x723/0xbe0 [ 3024.209434][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3024.209434][ T74] ___sys_sendmsg+0xee/0x170 [ 3024.209434][ T74] __sys_sendmsg+0xcd/0x170 [ 3024.209434][ T74] do_syscall_64+0xc6/0x1e0 [ 3024.209434][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3024.209434][ T74] [ 3024.211142][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3024.211142][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3024.211142][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3024.211142][ T74] ipv6_find_idev+0x102/0x170 [ 3024.211142][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3024.211142][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3024.211142][ T74] netlink_rcv_skb+0x130/0x360 [ 3024.211142][ T74] netlink_unicast+0x449/0x710 [ 3024.211142][ T74] netlink_sendmsg+0x723/0xbe0 [ 3024.211142][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3024.211142][ T74] ___sys_sendmsg+0xee/0x170 [ 3024.211142][ T74] __sys_sendmsg+0xcd/0x170 [ 3024.211142][ T74] do_syscall_64+0xc6/0x1e0 [ 3024.211142][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3024.211142][ T74] [ 3034.455932][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3034.456368][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3034.456368][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3034.456368][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3034.456368][ T74] fib6_nh_init+0xa22/0x1580 [ 3034.456368][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3034.456368][ T74] ip6_route_add+0x1c/0x140 [ 3034.456368][ T74] inet6_rtm_newroute+0x104/0x110 [ 3034.456368][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3034.456368][ T74] netlink_rcv_skb+0x130/0x360 [ 3034.456368][ T74] netlink_unicast+0x449/0x710 [ 3034.456368][ T74] netlink_sendmsg+0x723/0xbe0 [ 3034.456368][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3034.456368][ T74] ___sys_sendmsg+0xee/0x170 [ 3034.456368][ T74] __sys_sendmsg+0xcd/0x170 [ 3034.456368][ T74] do_syscall_64+0xc6/0x1e0 [ 3034.456368][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3034.456368][ T74] [ 3034.458280][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3034.458280][ T74] netdev_get_by_index+0x5e/0x80 [ 3034.458280][ T74] fib6_nh_init+0x3d8/0x1580 [ 3034.458280][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3034.458280][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3034.458280][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3034.458280][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3034.458280][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3034.458280][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3034.458280][ T74] addrconf_dad_begin+0x310/0x670 [ 3034.458280][ T74] addrconf_dad_work+0x10b/0xab0 [ 3034.458280][ T74] process_one_work+0x84d/0x18a0 [ 3034.458280][ T74] worker_thread+0x587/0xd30 [ 3034.458280][ T74] kthread+0x28a/0x350 [ 3034.458280][ T74] ret_from_fork+0x31/0x70 [ 3034.458280][ T74] ret_from_fork_asm+0x1a/0x30 [ 3034.458280][ T74] [ 3034.460208][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3034.460208][ T74] netdev_get_by_index+0x5e/0x80 [ 3034.460208][ T74] fib6_nh_init+0x3d8/0x1580 [ 3034.460208][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3034.460208][ T74] ip6_route_add+0x1c/0x140 [ 3034.460208][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3034.460208][ T74] inet6_addr_add+0x4f8/0xa40 [ 3034.460208][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3034.460208][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3034.460208][ T74] netlink_rcv_skb+0x130/0x360 [ 3034.460208][ T74] netlink_unicast+0x449/0x710 [ 3034.460208][ T74] netlink_sendmsg+0x723/0xbe0 [ 3034.460208][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3034.460208][ T74] ___sys_sendmsg+0xee/0x170 [ 3034.460208][ T74] __sys_sendmsg+0xcd/0x170 [ 3034.460208][ T74] do_syscall_64+0xc6/0x1e0 [ 3034.460208][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3034.460208][ T74] [ 3034.462220][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3034.462220][ T74] netdev_get_by_index+0x5e/0x80 [ 3034.462220][ T74] fib6_nh_init+0x3d8/0x1580 [ 3034.462220][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3034.462220][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3034.462220][ T74] ipv6_add_addr+0x411/0x2000 [ 3034.462220][ T74] inet6_addr_add+0x30e/0xa40 [ 3034.462220][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3034.462220][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3034.462220][ T74] netlink_rcv_skb+0x130/0x360 [ 3034.462220][ T74] netlink_unicast+0x449/0x710 [ 3034.462220][ T74] netlink_sendmsg+0x723/0xbe0 [ 3034.462220][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3034.462220][ T74] ___sys_sendmsg+0xee/0x170 [ 3034.462220][ T74] __sys_sendmsg+0xcd/0x170 [ 3034.462220][ T74] do_syscall_64+0xc6/0x1e0 [ 3034.462220][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3034.462220][ T74] [ 3034.464239][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3034.464239][ T74] netdev_get_by_index+0x5e/0x80 [ 3034.464239][ T74] fib6_nh_init+0x3d8/0x1580 [ 3034.464239][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3034.464239][ T74] ip6_route_add+0x1c/0x140 [ 3034.464239][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3034.464239][ T74] addrconf_add_dev+0xe2/0x170 [ 3034.464239][ T74] inet6_addr_add+0x12f/0xa40 [ 3034.464239][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3034.464239][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3034.464239][ T74] netlink_rcv_skb+0x130/0x360 [ 3034.464239][ T74] netlink_unicast+0x449/0x710 [ 3034.464239][ T74] netlink_sendmsg+0x723/0xbe0 [ 3034.464239][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3034.464239][ T74] ___sys_sendmsg+0xee/0x170 [ 3034.464239][ T74] __sys_sendmsg+0xcd/0x170 [ 3034.464239][ T74] do_syscall_64+0xc6/0x1e0 [ 3034.464239][ T74] [ 3034.466220][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3034.466220][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3034.466220][ T74] ipv6_find_idev+0x102/0x170 [ 3034.466220][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3034.466220][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3034.466220][ T74] netlink_rcv_skb+0x130/0x360 [ 3034.466220][ T74] netlink_unicast+0x449/0x710 [ 3034.466220][ T74] netlink_sendmsg+0x723/0xbe0 [ 3034.466220][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3034.466220][ T74] ___sys_sendmsg+0xee/0x170 [ 3034.466220][ T74] __sys_sendmsg+0xcd/0x170 [ 3034.466220][ T74] do_syscall_64+0xc6/0x1e0 [ 3034.466220][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3034.466220][ T74] [ 3034.467759][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3034.467759][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3034.467759][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3034.467759][ T74] ipv6_find_idev+0x102/0x170 [ 3034.467759][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3034.467759][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3034.467759][ T74] netlink_rcv_skb+0x130/0x360 [ 3034.467759][ T74] netlink_unicast+0x449/0x710 [ 3034.467759][ T74] netlink_sendmsg+0x723/0xbe0 [ 3034.467759][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3034.467759][ T74] ___sys_sendmsg+0xee/0x170 [ 3034.467759][ T74] __sys_sendmsg+0xcd/0x170 [ 3034.467759][ T74] do_syscall_64+0xc6/0x1e0 [ 3034.467759][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3034.467759][ T74] [ 3034.469497][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3034.469777][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3034.469777][ T74] dst_init+0x84/0x4a0 [ 3034.469777][ T74] dst_alloc+0x97/0x150 [ 3034.469777][ T74] ip6_dst_alloc+0x23/0x90 [ 3034.469777][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3034.469777][ T74] ip6_pol_route+0x56f/0x840 [ 3034.469777][ T74] fib6_rule_lookup+0x456/0x630 [ 3034.469777][ T74] ip6_route_input+0x59c/0xa50 [ 3034.469777][ T74] ipv6_rcv+0x397/0x810 [ 3034.469777][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3034.469777][ T74] process_backlog+0x101/0x620 [ 3034.469777][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3034.469777][ T74] net_rx_action+0x495/0xbe0 [ 3034.469777][ T74] __do_softirq+0x1b5/0x7f6 [ 3034.469777][ T74] [ 3034.471424][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3034.471424][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3034.471424][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3034.471424][ T74] fib6_nh_init+0xa22/0x1580 [ 3034.471424][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3034.471424][ T74] ip6_route_add+0x1c/0x140 [ 3034.471424][ T74] inet6_rtm_newroute+0x104/0x110 [ 3034.471424][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3034.471424][ T74] netlink_rcv_skb+0x130/0x360 [ 3034.471424][ T74] netlink_unicast+0x449/0x710 [ 3034.471424][ T74] netlink_sendmsg+0x723/0xbe0 [ 3034.471424][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3034.471424][ T74] ___sys_sendmsg+0xee/0x170 [ 3034.471424][ T74] __sys_sendmsg+0xcd/0x170 [ 3034.471424][ T74] do_syscall_64+0xc6/0x1e0 [ 3034.471424][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3034.471424][ T74] [ 3034.473321][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3034.473321][ T74] netdev_get_by_index+0x5e/0x80 [ 3034.473321][ T74] fib6_nh_init+0x3d8/0x1580 [ 3034.473321][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3034.473321][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3034.473321][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3034.473321][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3034.473321][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3034.473321][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3034.473321][ T74] addrconf_dad_begin+0x310/0x670 [ 3034.473321][ T74] addrconf_dad_work+0x10b/0xab0 [ 3034.473321][ T74] process_one_work+0x84d/0x18a0 [ 3034.473321][ T74] worker_thread+0x587/0xd30 [ 3034.473321][ T74] kthread+0x28a/0x350 [ 3034.473321][ T74] ret_from_fork+0x31/0x70 [ 3034.473321][ T74] ret_from_fork_asm+0x1a/0x30 [ 3034.473321][ T74] [ 3034.475261][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3034.475261][ T74] netdev_get_by_index+0x5e/0x80 [ 3034.475261][ T74] fib6_nh_init+0x3d8/0x1580 [ 3034.475261][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3034.475261][ T74] ip6_route_add+0x1c/0x140 [ 3034.475261][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3034.475261][ T74] inet6_addr_add+0x4f8/0xa40 [ 3034.475261][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3034.475261][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3034.475261][ T74] netlink_rcv_skb+0x130/0x360 [ 3034.475261][ T74] netlink_unicast+0x449/0x710 [ 3034.475261][ T74] netlink_sendmsg+0x723/0xbe0 [ 3034.475261][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3034.475261][ T74] ___sys_sendmsg+0xee/0x170 [ 3034.475261][ T74] __sys_sendmsg+0xcd/0x170 [ 3034.475261][ T74] do_syscall_64+0xc6/0x1e0 [ 3034.475261][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3034.475261][ T74] [ 3034.477272][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3034.477272][ T74] netdev_get_by_index+0x5e/0x80 [ 3034.477272][ T74] fib6_nh_init+0x3d8/0x1580 [ 3034.477272][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3034.477272][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3034.477272][ T74] ipv6_add_addr+0x411/0x2000 [ 3034.477272][ T74] inet6_addr_add+0x30e/0xa40 [ 3034.477272][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3034.477272][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3034.477272][ T74] netlink_rcv_skb+0x130/0x360 [ 3034.477272][ T74] netlink_unicast+0x449/0x710 [ 3034.477272][ T74] netlink_sendmsg+0x723/0xbe0 [ 3034.477272][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3034.477272][ T74] ___sys_sendmsg+0xee/0x170 [ 3034.477272][ T74] __sys_sendmsg+0xcd/0x170 [ 3034.477272][ T74] do_syscall_64+0xc6/0x1e0 [ 3034.477272][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3034.477272][ T74] [ 3034.479272][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3034.479272][ T74] netdev_get_by_index+0x5e/0x80 [ 3034.479272][ T74] fib6_nh_init+0x3d8/0x1580 [ 3034.479272][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3034.479272][ T74] ip6_route_add+0x1c/0x140 [ 3034.479272][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3034.479272][ T74] addrconf_add_dev+0xe2/0x170 [ 3034.479272][ T74] inet6_addr_add+0x12f/0xa40 [ 3034.479272][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3034.479272][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3034.479272][ T74] netlink_rcv_skb+0x130/0x360 [ 3034.479272][ T74] netlink_unicast+0x449/0x710 [ 3034.479272][ T74] netlink_sendmsg+0x723/0xbe0 [ 3034.479272][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3034.479272][ T74] ___sys_sendmsg+0xee/0x170 [ 3034.479272][ T74] __sys_sendmsg+0xcd/0x170 [ 3034.479272][ T74] do_syscall_64+0xc6/0x1e0 [ 3034.479272][ T74] [ 3034.481266][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3034.481266][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3034.481266][ T74] ipv6_find_idev+0x102/0x170 [ 3034.481266][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3034.481266][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3034.481266][ T74] netlink_rcv_skb+0x130/0x360 [ 3034.481266][ T74] netlink_unicast+0x449/0x710 [ 3034.481266][ T74] netlink_sendmsg+0x723/0xbe0 [ 3034.481266][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3034.481266][ T74] ___sys_sendmsg+0xee/0x170 [ 3034.481266][ T74] __sys_sendmsg+0xcd/0x170 [ 3034.481266][ T74] do_syscall_64+0xc6/0x1e0 [ 3034.481266][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3034.481266][ T74] [ 3034.482998][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3034.482998][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3034.482998][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3034.482998][ T74] ipv6_find_idev+0x102/0x170 [ 3034.482998][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3034.482998][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3034.482998][ T74] netlink_rcv_skb+0x130/0x360 [ 3034.482998][ T74] netlink_unicast+0x449/0x710 [ 3034.482998][ T74] netlink_sendmsg+0x723/0xbe0 [ 3034.482998][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3034.482998][ T74] ___sys_sendmsg+0xee/0x170 [ 3034.482998][ T74] __sys_sendmsg+0xcd/0x170 [ 3034.482998][ T74] do_syscall_64+0xc6/0x1e0 [ 3034.482998][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3034.482998][ T74] [ 3034.484885][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3034.485133][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3034.485133][ T74] netdev_get_by_index+0x5e/0x80 [ 3034.485133][ T74] fib6_nh_init+0x3d8/0x1580 [ 3034.485133][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3034.485133][ T74] ip6_route_add+0x1c/0x140 [ 3034.485133][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3034.485133][ T74] inet6_addr_add+0x4f8/0xa40 [ 3034.485133][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3034.485133][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3034.485133][ T74] netlink_rcv_skb+0x130/0x360 [ 3034.485133][ T74] netlink_unicast+0x449/0x710 [ 3034.485133][ T74] netlink_sendmsg+0x723/0xbe0 [ 3034.485133][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3034.485133][ T74] ___sys_sendmsg+0xee/0x170 [ 3034.485133][ T74] __sys_sendmsg+0xcd/0x170 [ 3034.485133][ T74] do_syscall_64+0xc6/0x1e0 [ 3034.485133][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3034.485133][ T74] [ 3034.487384][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3034.487384][ T74] netdev_get_by_index+0x5e/0x80 [ 3034.487384][ T74] fib6_nh_init+0x3d8/0x1580 [ 3034.487384][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3034.487384][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3034.487384][ T74] ipv6_add_addr+0x411/0x2000 [ 3034.487384][ T74] inet6_addr_add+0x30e/0xa40 [ 3034.487384][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3034.487384][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3034.487384][ T74] netlink_rcv_skb+0x130/0x360 [ 3034.487384][ T74] netlink_unicast+0x449/0x710 [ 3034.487384][ T74] netlink_sendmsg+0x723/0xbe0 [ 3034.487384][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3034.487384][ T74] ___sys_sendmsg+0xee/0x170 [ 3034.487384][ T74] __sys_sendmsg+0xcd/0x170 [ 3034.487384][ T74] do_syscall_64+0xc6/0x1e0 [ 3034.487384][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3034.487384][ T74] [ 3034.489634][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3034.489634][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3034.489634][ T74] ipv6_find_idev+0x102/0x170 [ 3034.489634][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3034.489634][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3034.489634][ T74] netlink_rcv_skb+0x130/0x360 [ 3034.489634][ T74] netlink_unicast+0x449/0x710 [ 3034.489634][ T74] netlink_sendmsg+0x723/0xbe0 [ 3034.489634][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3034.489634][ T74] ___sys_sendmsg+0xee/0x170 [ 3034.489634][ T74] __sys_sendmsg+0xcd/0x170 [ 3034.489634][ T74] do_syscall_64+0xc6/0x1e0 [ 3034.489634][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3034.489634][ T74] [ 3034.491379][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3034.491379][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3034.491379][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3034.491379][ T74] ipv6_find_idev+0x102/0x170 [ 3034.491379][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3034.491379][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3034.491379][ T74] netlink_rcv_skb+0x130/0x360 [ 3034.491379][ T74] netlink_unicast+0x449/0x710 [ 3034.491379][ T74] netlink_sendmsg+0x723/0xbe0 [ 3034.491379][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3034.491379][ T74] ___sys_sendmsg+0xee/0x170 [ 3034.491379][ T74] __sys_sendmsg+0xcd/0x170 [ 3034.491379][ T74] do_syscall_64+0xc6/0x1e0 [ 3034.491379][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3034.491379][ T74] [ 3044.735941][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3044.736310][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3044.736310][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3044.736310][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3044.736310][ T74] fib6_nh_init+0xa22/0x1580 [ 3044.736310][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3044.736310][ T74] ip6_route_add+0x1c/0x140 [ 3044.736310][ T74] inet6_rtm_newroute+0x104/0x110 [ 3044.736310][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3044.736310][ T74] netlink_rcv_skb+0x130/0x360 [ 3044.736310][ T74] netlink_unicast+0x449/0x710 [ 3044.736310][ T74] netlink_sendmsg+0x723/0xbe0 [ 3044.736310][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3044.736310][ T74] ___sys_sendmsg+0xee/0x170 [ 3044.736310][ T74] __sys_sendmsg+0xcd/0x170 [ 3044.736310][ T74] do_syscall_64+0xc6/0x1e0 [ 3044.736310][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3044.736310][ T74] [ 3044.738221][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3044.738221][ T74] netdev_get_by_index+0x5e/0x80 [ 3044.738221][ T74] fib6_nh_init+0x3d8/0x1580 [ 3044.738221][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3044.738221][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3044.738221][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3044.738221][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3044.738221][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3044.738221][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3044.738221][ T74] addrconf_dad_begin+0x310/0x670 [ 3044.738221][ T74] addrconf_dad_work+0x10b/0xab0 [ 3044.738221][ T74] process_one_work+0x84d/0x18a0 [ 3044.738221][ T74] worker_thread+0x587/0xd30 [ 3044.738221][ T74] kthread+0x28a/0x350 [ 3044.738221][ T74] ret_from_fork+0x31/0x70 [ 3044.738221][ T74] ret_from_fork_asm+0x1a/0x30 [ 3044.738221][ T74] [ 3044.740155][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3044.740155][ T74] netdev_get_by_index+0x5e/0x80 [ 3044.740155][ T74] fib6_nh_init+0x3d8/0x1580 [ 3044.740155][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3044.740155][ T74] ip6_route_add+0x1c/0x140 [ 3044.740155][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3044.740155][ T74] inet6_addr_add+0x4f8/0xa40 [ 3044.740155][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3044.740155][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3044.740155][ T74] netlink_rcv_skb+0x130/0x360 [ 3044.740155][ T74] netlink_unicast+0x449/0x710 [ 3044.740155][ T74] netlink_sendmsg+0x723/0xbe0 [ 3044.740155][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3044.740155][ T74] ___sys_sendmsg+0xee/0x170 [ 3044.740155][ T74] __sys_sendmsg+0xcd/0x170 [ 3044.740155][ T74] do_syscall_64+0xc6/0x1e0 [ 3044.740155][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3044.740155][ T74] [ 3044.742177][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3044.742177][ T74] netdev_get_by_index+0x5e/0x80 [ 3044.742177][ T74] fib6_nh_init+0x3d8/0x1580 [ 3044.742177][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3044.742177][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3044.742177][ T74] ipv6_add_addr+0x411/0x2000 [ 3044.742177][ T74] inet6_addr_add+0x30e/0xa40 [ 3044.742177][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3044.742177][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3044.742177][ T74] netlink_rcv_skb+0x130/0x360 [ 3044.742177][ T74] netlink_unicast+0x449/0x710 [ 3044.742177][ T74] netlink_sendmsg+0x723/0xbe0 [ 3044.742177][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3044.742177][ T74] ___sys_sendmsg+0xee/0x170 [ 3044.742177][ T74] __sys_sendmsg+0xcd/0x170 [ 3044.742177][ T74] do_syscall_64+0xc6/0x1e0 [ 3044.742177][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3044.742177][ T74] [ 3044.744196][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3044.744196][ T74] netdev_get_by_index+0x5e/0x80 [ 3044.744196][ T74] fib6_nh_init+0x3d8/0x1580 [ 3044.744196][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3044.744196][ T74] ip6_route_add+0x1c/0x140 [ 3044.744196][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3044.744196][ T74] addrconf_add_dev+0xe2/0x170 [ 3044.744196][ T74] inet6_addr_add+0x12f/0xa40 [ 3044.744196][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3044.744196][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3044.744196][ T74] netlink_rcv_skb+0x130/0x360 [ 3044.744196][ T74] netlink_unicast+0x449/0x710 [ 3044.744196][ T74] netlink_sendmsg+0x723/0xbe0 [ 3044.744196][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3044.744196][ T74] ___sys_sendmsg+0xee/0x170 [ 3044.744196][ T74] __sys_sendmsg+0xcd/0x170 [ 3044.744196][ T74] do_syscall_64+0xc6/0x1e0 [ 3044.744196][ T74] [ 3044.746179][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3044.746179][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3044.746179][ T74] ipv6_find_idev+0x102/0x170 [ 3044.746179][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3044.746179][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3044.746179][ T74] netlink_rcv_skb+0x130/0x360 [ 3044.746179][ T74] netlink_unicast+0x449/0x710 [ 3044.746179][ T74] netlink_sendmsg+0x723/0xbe0 [ 3044.746179][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3044.746179][ T74] ___sys_sendmsg+0xee/0x170 [ 3044.746179][ T74] __sys_sendmsg+0xcd/0x170 [ 3044.746179][ T74] do_syscall_64+0xc6/0x1e0 [ 3044.746179][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3044.746179][ T74] [ 3044.747731][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3044.747731][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3044.747731][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3044.747731][ T74] ipv6_find_idev+0x102/0x170 [ 3044.747731][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3044.747731][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3044.747731][ T74] netlink_rcv_skb+0x130/0x360 [ 3044.747731][ T74] netlink_unicast+0x449/0x710 [ 3044.747731][ T74] netlink_sendmsg+0x723/0xbe0 [ 3044.747731][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3044.747731][ T74] ___sys_sendmsg+0xee/0x170 [ 3044.747731][ T74] __sys_sendmsg+0xcd/0x170 [ 3044.747731][ T74] do_syscall_64+0xc6/0x1e0 [ 3044.747731][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3044.747731][ T74] [ 3044.749436][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3044.749713][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3044.749713][ T74] dst_init+0x84/0x4a0 [ 3044.749713][ T74] dst_alloc+0x97/0x150 [ 3044.749713][ T74] ip6_dst_alloc+0x23/0x90 [ 3044.749713][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3044.749713][ T74] ip6_pol_route+0x56f/0x840 [ 3044.749713][ T74] fib6_rule_lookup+0x456/0x630 [ 3044.749713][ T74] ip6_route_input+0x59c/0xa50 [ 3044.749713][ T74] ipv6_rcv+0x397/0x810 [ 3044.749713][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3044.749713][ T74] process_backlog+0x101/0x620 [ 3044.749713][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3044.749713][ T74] net_rx_action+0x495/0xbe0 [ 3044.749713][ T74] __do_softirq+0x1b5/0x7f6 [ 3044.749713][ T74] [ 3044.751359][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3044.751359][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3044.751359][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3044.751359][ T74] fib6_nh_init+0xa22/0x1580 [ 3044.751359][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3044.751359][ T74] ip6_route_add+0x1c/0x140 [ 3044.751359][ T74] inet6_rtm_newroute+0x104/0x110 [ 3044.751359][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3044.751359][ T74] netlink_rcv_skb+0x130/0x360 [ 3044.751359][ T74] netlink_unicast+0x449/0x710 [ 3044.751359][ T74] netlink_sendmsg+0x723/0xbe0 [ 3044.751359][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3044.751359][ T74] ___sys_sendmsg+0xee/0x170 [ 3044.751359][ T74] __sys_sendmsg+0xcd/0x170 [ 3044.751359][ T74] do_syscall_64+0xc6/0x1e0 [ 3044.751359][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3044.751359][ T74] [ 3044.753247][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3044.753247][ T74] netdev_get_by_index+0x5e/0x80 [ 3044.753247][ T74] fib6_nh_init+0x3d8/0x1580 [ 3044.753247][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3044.753247][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3044.753247][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3044.753247][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3044.753247][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3044.753247][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3044.753247][ T74] addrconf_dad_begin+0x310/0x670 [ 3044.753247][ T74] addrconf_dad_work+0x10b/0xab0 [ 3044.753247][ T74] process_one_work+0x84d/0x18a0 [ 3044.753247][ T74] worker_thread+0x587/0xd30 [ 3044.753247][ T74] kthread+0x28a/0x350 [ 3044.753247][ T74] ret_from_fork+0x31/0x70 [ 3044.753247][ T74] ret_from_fork_asm+0x1a/0x30 [ 3044.753247][ T74] [ 3044.755172][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3044.755172][ T74] netdev_get_by_index+0x5e/0x80 [ 3044.755172][ T74] fib6_nh_init+0x3d8/0x1580 [ 3044.755172][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3044.755172][ T74] ip6_route_add+0x1c/0x140 [ 3044.755172][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3044.755172][ T74] inet6_addr_add+0x4f8/0xa40 [ 3044.755172][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3044.755172][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3044.755172][ T74] netlink_rcv_skb+0x130/0x360 [ 3044.755172][ T74] netlink_unicast+0x449/0x710 [ 3044.755172][ T74] netlink_sendmsg+0x723/0xbe0 [ 3044.755172][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3044.755172][ T74] ___sys_sendmsg+0xee/0x170 [ 3044.755172][ T74] __sys_sendmsg+0xcd/0x170 [ 3044.755172][ T74] do_syscall_64+0xc6/0x1e0 [ 3044.755172][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3044.755172][ T74] [ 3044.757190][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3044.757190][ T74] netdev_get_by_index+0x5e/0x80 [ 3044.757190][ T74] fib6_nh_init+0x3d8/0x1580 [ 3044.757190][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3044.757190][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3044.757190][ T74] ipv6_add_addr+0x411/0x2000 [ 3044.757190][ T74] inet6_addr_add+0x30e/0xa40 [ 3044.757190][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3044.757190][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3044.757190][ T74] netlink_rcv_skb+0x130/0x360 [ 3044.757190][ T74] netlink_unicast+0x449/0x710 [ 3044.757190][ T74] netlink_sendmsg+0x723/0xbe0 [ 3044.757190][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3044.757190][ T74] ___sys_sendmsg+0xee/0x170 [ 3044.757190][ T74] __sys_sendmsg+0xcd/0x170 [ 3044.757190][ T74] do_syscall_64+0xc6/0x1e0 [ 3044.757190][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3044.757190][ T74] [ 3044.759211][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3044.759211][ T74] netdev_get_by_index+0x5e/0x80 [ 3044.759211][ T74] fib6_nh_init+0x3d8/0x1580 [ 3044.759211][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3044.759211][ T74] ip6_route_add+0x1c/0x140 [ 3044.759211][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3044.759211][ T74] addrconf_add_dev+0xe2/0x170 [ 3044.759211][ T74] inet6_addr_add+0x12f/0xa40 [ 3044.759211][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3044.759211][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3044.759211][ T74] netlink_rcv_skb+0x130/0x360 [ 3044.759211][ T74] netlink_unicast+0x449/0x710 [ 3044.759211][ T74] netlink_sendmsg+0x723/0xbe0 [ 3044.759211][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3044.759211][ T74] ___sys_sendmsg+0xee/0x170 [ 3044.759211][ T74] __sys_sendmsg+0xcd/0x170 [ 3044.759211][ T74] do_syscall_64+0xc6/0x1e0 [ 3044.759211][ T74] [ 3044.761190][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3044.761190][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3044.761190][ T74] ipv6_find_idev+0x102/0x170 [ 3044.761190][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3044.761190][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3044.761190][ T74] netlink_rcv_skb+0x130/0x360 [ 3044.761190][ T74] netlink_unicast+0x449/0x710 [ 3044.761190][ T74] netlink_sendmsg+0x723/0xbe0 [ 3044.761190][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3044.761190][ T74] ___sys_sendmsg+0xee/0x170 [ 3044.761190][ T74] __sys_sendmsg+0xcd/0x170 [ 3044.761190][ T74] do_syscall_64+0xc6/0x1e0 [ 3044.761190][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3044.761190][ T74] [ 3044.762799][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3044.762799][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3044.762799][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3044.762799][ T74] ipv6_find_idev+0x102/0x170 [ 3044.762799][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3044.762799][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3044.762799][ T74] netlink_rcv_skb+0x130/0x360 [ 3044.762799][ T74] netlink_unicast+0x449/0x710 [ 3044.762799][ T74] netlink_sendmsg+0x723/0xbe0 [ 3044.762799][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3044.762799][ T74] ___sys_sendmsg+0xee/0x170 [ 3044.762799][ T74] __sys_sendmsg+0xcd/0x170 [ 3044.762799][ T74] do_syscall_64+0xc6/0x1e0 [ 3044.762799][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3044.762799][ T74] [ 3044.764697][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3044.764950][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3044.764950][ T74] netdev_get_by_index+0x5e/0x80 [ 3044.764950][ T74] fib6_nh_init+0x3d8/0x1580 [ 3044.764950][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3044.764950][ T74] ip6_route_add+0x1c/0x140 [ 3044.764950][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3044.764950][ T74] inet6_addr_add+0x4f8/0xa40 [ 3044.764950][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3044.764950][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3044.764950][ T74] netlink_rcv_skb+0x130/0x360 [ 3044.764950][ T74] netlink_unicast+0x449/0x710 [ 3044.764950][ T74] netlink_sendmsg+0x723/0xbe0 [ 3044.764950][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3044.764950][ T74] ___sys_sendmsg+0xee/0x170 [ 3044.764950][ T74] __sys_sendmsg+0xcd/0x170 [ 3044.764950][ T74] do_syscall_64+0xc6/0x1e0 [ 3044.764950][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3044.764950][ T74] [ 3044.767015][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3044.767015][ T74] netdev_get_by_index+0x5e/0x80 [ 3044.767015][ T74] fib6_nh_init+0x3d8/0x1580 [ 3044.767015][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3044.767015][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3044.767015][ T74] ipv6_add_addr+0x411/0x2000 [ 3044.767015][ T74] inet6_addr_add+0x30e/0xa40 [ 3044.767015][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3044.767015][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3044.767015][ T74] netlink_rcv_skb+0x130/0x360 [ 3044.767015][ T74] netlink_unicast+0x449/0x710 [ 3044.767015][ T74] netlink_sendmsg+0x723/0xbe0 [ 3044.767015][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3044.767015][ T74] ___sys_sendmsg+0xee/0x170 [ 3044.767015][ T74] __sys_sendmsg+0xcd/0x170 [ 3044.767015][ T74] do_syscall_64+0xc6/0x1e0 [ 3044.767015][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3044.767015][ T74] [ 3044.769141][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3044.769141][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3044.769141][ T74] ipv6_find_idev+0x102/0x170 [ 3044.769141][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3044.769141][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3044.769141][ T74] netlink_rcv_skb+0x130/0x360 [ 3044.769141][ T74] netlink_unicast+0x449/0x710 [ 3044.769141][ T74] netlink_sendmsg+0x723/0xbe0 [ 3044.769141][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3044.769141][ T74] ___sys_sendmsg+0xee/0x170 [ 3044.769141][ T74] __sys_sendmsg+0xcd/0x170 [ 3044.769141][ T74] do_syscall_64+0xc6/0x1e0 [ 3044.769141][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3044.769141][ T74] [ 3044.770742][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3044.770742][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3044.770742][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3044.770742][ T74] ipv6_find_idev+0x102/0x170 [ 3044.770742][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3044.770742][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3044.770742][ T74] netlink_rcv_skb+0x130/0x360 [ 3044.770742][ T74] netlink_unicast+0x449/0x710 [ 3044.770742][ T74] netlink_sendmsg+0x723/0xbe0 [ 3044.770742][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3044.770742][ T74] ___sys_sendmsg+0xee/0x170 [ 3044.770742][ T74] __sys_sendmsg+0xcd/0x170 [ 3044.770742][ T74] do_syscall_64+0xc6/0x1e0 [ 3044.770742][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3044.770742][ T74] [ 3055.007924][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3055.008295][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3055.008295][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3055.008295][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3055.008295][ T74] fib6_nh_init+0xa22/0x1580 [ 3055.008295][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3055.008295][ T74] ip6_route_add+0x1c/0x140 [ 3055.008295][ T74] inet6_rtm_newroute+0x104/0x110 [ 3055.008295][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3055.008295][ T74] netlink_rcv_skb+0x130/0x360 [ 3055.008295][ T74] netlink_unicast+0x449/0x710 [ 3055.008295][ T74] netlink_sendmsg+0x723/0xbe0 [ 3055.008295][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3055.008295][ T74] ___sys_sendmsg+0xee/0x170 [ 3055.008295][ T74] __sys_sendmsg+0xcd/0x170 [ 3055.008295][ T74] do_syscall_64+0xc6/0x1e0 [ 3055.008295][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3055.008295][ T74] [ 3055.010188][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3055.010188][ T74] netdev_get_by_index+0x5e/0x80 [ 3055.010188][ T74] fib6_nh_init+0x3d8/0x1580 [ 3055.010188][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3055.010188][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3055.010188][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3055.010188][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3055.010188][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3055.010188][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3055.010188][ T74] addrconf_dad_begin+0x310/0x670 [ 3055.010188][ T74] addrconf_dad_work+0x10b/0xab0 [ 3055.010188][ T74] process_one_work+0x84d/0x18a0 [ 3055.010188][ T74] worker_thread+0x587/0xd30 [ 3055.010188][ T74] kthread+0x28a/0x350 [ 3055.010188][ T74] ret_from_fork+0x31/0x70 [ 3055.010188][ T74] ret_from_fork_asm+0x1a/0x30 [ 3055.010188][ T74] [ 3055.012109][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3055.012109][ T74] netdev_get_by_index+0x5e/0x80 [ 3055.012109][ T74] fib6_nh_init+0x3d8/0x1580 [ 3055.012109][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3055.012109][ T74] ip6_route_add+0x1c/0x140 [ 3055.012109][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3055.012109][ T74] inet6_addr_add+0x4f8/0xa40 [ 3055.012109][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3055.012109][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3055.012109][ T74] netlink_rcv_skb+0x130/0x360 [ 3055.012109][ T74] netlink_unicast+0x449/0x710 [ 3055.012109][ T74] netlink_sendmsg+0x723/0xbe0 [ 3055.012109][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3055.012109][ T74] ___sys_sendmsg+0xee/0x170 [ 3055.012109][ T74] __sys_sendmsg+0xcd/0x170 [ 3055.012109][ T74] do_syscall_64+0xc6/0x1e0 [ 3055.012109][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3055.012109][ T74] [ 3055.014113][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3055.014113][ T74] netdev_get_by_index+0x5e/0x80 [ 3055.014113][ T74] fib6_nh_init+0x3d8/0x1580 [ 3055.014113][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3055.014113][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3055.014113][ T74] ipv6_add_addr+0x411/0x2000 [ 3055.014113][ T74] inet6_addr_add+0x30e/0xa40 [ 3055.014113][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3055.014113][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3055.014113][ T74] netlink_rcv_skb+0x130/0x360 [ 3055.014113][ T74] netlink_unicast+0x449/0x710 [ 3055.014113][ T74] netlink_sendmsg+0x723/0xbe0 [ 3055.014113][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3055.014113][ T74] ___sys_sendmsg+0xee/0x170 [ 3055.014113][ T74] __sys_sendmsg+0xcd/0x170 [ 3055.014113][ T74] do_syscall_64+0xc6/0x1e0 [ 3055.014113][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3055.014113][ T74] [ 3055.016142][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3055.016142][ T74] netdev_get_by_index+0x5e/0x80 [ 3055.016142][ T74] fib6_nh_init+0x3d8/0x1580 [ 3055.016142][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3055.016142][ T74] ip6_route_add+0x1c/0x140 [ 3055.016142][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3055.016142][ T74] addrconf_add_dev+0xe2/0x170 [ 3055.016142][ T74] inet6_addr_add+0x12f/0xa40 [ 3055.016142][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3055.016142][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3055.016142][ T74] netlink_rcv_skb+0x130/0x360 [ 3055.016142][ T74] netlink_unicast+0x449/0x710 [ 3055.016142][ T74] netlink_sendmsg+0x723/0xbe0 [ 3055.016142][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3055.016142][ T74] ___sys_sendmsg+0xee/0x170 [ 3055.016142][ T74] __sys_sendmsg+0xcd/0x170 [ 3055.016142][ T74] do_syscall_64+0xc6/0x1e0 [ 3055.016142][ T74] [ 3055.018118][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3055.018118][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3055.018118][ T74] ipv6_find_idev+0x102/0x170 [ 3055.018118][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3055.018118][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3055.018118][ T74] netlink_rcv_skb+0x130/0x360 [ 3055.018118][ T74] netlink_unicast+0x449/0x710 [ 3055.018118][ T74] netlink_sendmsg+0x723/0xbe0 [ 3055.018118][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3055.018118][ T74] ___sys_sendmsg+0xee/0x170 [ 3055.018118][ T74] __sys_sendmsg+0xcd/0x170 [ 3055.018118][ T74] do_syscall_64+0xc6/0x1e0 [ 3055.018118][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3055.018118][ T74] [ 3055.019665][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3055.019665][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3055.019665][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3055.019665][ T74] ipv6_find_idev+0x102/0x170 [ 3055.019665][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3055.019665][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3055.019665][ T74] netlink_rcv_skb+0x130/0x360 [ 3055.019665][ T74] netlink_unicast+0x449/0x710 [ 3055.019665][ T74] netlink_sendmsg+0x723/0xbe0 [ 3055.019665][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3055.019665][ T74] ___sys_sendmsg+0xee/0x170 [ 3055.019665][ T74] __sys_sendmsg+0xcd/0x170 [ 3055.019665][ T74] do_syscall_64+0xc6/0x1e0 [ 3055.019665][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3055.019665][ T74] [ 3055.021376][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3055.021650][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3055.021650][ T74] dst_init+0x84/0x4a0 [ 3055.021650][ T74] dst_alloc+0x97/0x150 [ 3055.021650][ T74] ip6_dst_alloc+0x23/0x90 [ 3055.021650][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3055.021650][ T74] ip6_pol_route+0x56f/0x840 [ 3055.021650][ T74] fib6_rule_lookup+0x456/0x630 [ 3055.021650][ T74] ip6_route_input+0x59c/0xa50 [ 3055.021650][ T74] ipv6_rcv+0x397/0x810 [ 3055.021650][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3055.021650][ T74] process_backlog+0x101/0x620 [ 3055.021650][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3055.021650][ T74] net_rx_action+0x495/0xbe0 [ 3055.021650][ T74] __do_softirq+0x1b5/0x7f6 [ 3055.021650][ T74] [ 3055.023296][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3055.023296][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3055.023296][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3055.023296][ T74] fib6_nh_init+0xa22/0x1580 [ 3055.023296][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3055.023296][ T74] ip6_route_add+0x1c/0x140 [ 3055.023296][ T74] inet6_rtm_newroute+0x104/0x110 [ 3055.023296][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3055.023296][ T74] netlink_rcv_skb+0x130/0x360 [ 3055.023296][ T74] netlink_unicast+0x449/0x710 [ 3055.023296][ T74] netlink_sendmsg+0x723/0xbe0 [ 3055.023296][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3055.023296][ T74] ___sys_sendmsg+0xee/0x170 [ 3055.023296][ T74] __sys_sendmsg+0xcd/0x170 [ 3055.023296][ T74] do_syscall_64+0xc6/0x1e0 [ 3055.023296][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3055.023296][ T74] [ 3055.025186][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3055.025186][ T74] netdev_get_by_index+0x5e/0x80 [ 3055.025186][ T74] fib6_nh_init+0x3d8/0x1580 [ 3055.025186][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3055.025186][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3055.025186][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3055.025186][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3055.025186][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3055.025186][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3055.025186][ T74] addrconf_dad_begin+0x310/0x670 [ 3055.025186][ T74] addrconf_dad_work+0x10b/0xab0 [ 3055.025186][ T74] process_one_work+0x84d/0x18a0 [ 3055.025186][ T74] worker_thread+0x587/0xd30 [ 3055.025186][ T74] kthread+0x28a/0x350 [ 3055.025186][ T74] ret_from_fork+0x31/0x70 [ 3055.025186][ T74] ret_from_fork_asm+0x1a/0x30 [ 3055.025186][ T74] [ 3055.027627][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3055.027627][ T74] netdev_get_by_index+0x5e/0x80 [ 3055.027627][ T74] fib6_nh_init+0x3d8/0x1580 [ 3055.027627][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3055.027627][ T74] ip6_route_add+0x1c/0x140 [ 3055.027627][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3055.027627][ T74] inet6_addr_add+0x4f8/0xa40 [ 3055.027627][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3055.027627][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3055.027627][ T74] netlink_rcv_skb+0x130/0x360 [ 3055.027627][ T74] netlink_unicast+0x449/0x710 [ 3055.027627][ T74] netlink_sendmsg+0x723/0xbe0 [ 3055.027627][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3055.027627][ T74] ___sys_sendmsg+0xee/0x170 [ 3055.027627][ T74] __sys_sendmsg+0xcd/0x170 [ 3055.027627][ T74] do_syscall_64+0xc6/0x1e0 [ 3055.027627][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3055.027627][ T74] [ 3055.029634][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3055.029634][ T74] netdev_get_by_index+0x5e/0x80 [ 3055.029634][ T74] fib6_nh_init+0x3d8/0x1580 [ 3055.029634][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3055.029634][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3055.029634][ T74] ipv6_add_addr+0x411/0x2000 [ 3055.029634][ T74] inet6_addr_add+0x30e/0xa40 [ 3055.029634][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3055.029634][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3055.029634][ T74] netlink_rcv_skb+0x130/0x360 [ 3055.029634][ T74] netlink_unicast+0x449/0x710 [ 3055.029634][ T74] netlink_sendmsg+0x723/0xbe0 [ 3055.029634][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3055.029634][ T74] ___sys_sendmsg+0xee/0x170 [ 3055.029634][ T74] __sys_sendmsg+0xcd/0x170 [ 3055.029634][ T74] do_syscall_64+0xc6/0x1e0 [ 3055.029634][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3055.029634][ T74] [ 3055.031630][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3055.031630][ T74] netdev_get_by_index+0x5e/0x80 [ 3055.031630][ T74] fib6_nh_init+0x3d8/0x1580 [ 3055.031630][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3055.031630][ T74] ip6_route_add+0x1c/0x140 [ 3055.031630][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3055.031630][ T74] addrconf_add_dev+0xe2/0x170 [ 3055.031630][ T74] inet6_addr_add+0x12f/0xa40 [ 3055.031630][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3055.031630][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3055.031630][ T74] netlink_rcv_skb+0x130/0x360 [ 3055.031630][ T74] netlink_unicast+0x449/0x710 [ 3055.031630][ T74] netlink_sendmsg+0x723/0xbe0 [ 3055.031630][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3055.031630][ T74] ___sys_sendmsg+0xee/0x170 [ 3055.031630][ T74] __sys_sendmsg+0xcd/0x170 [ 3055.031630][ T74] do_syscall_64+0xc6/0x1e0 [ 3055.031630][ T74] [ 3055.033996][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3055.033996][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3055.033996][ T74] ipv6_find_idev+0x102/0x170 [ 3055.033996][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3055.033996][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3055.033996][ T74] netlink_rcv_skb+0x130/0x360 [ 3055.033996][ T74] netlink_unicast+0x449/0x710 [ 3055.033996][ T74] netlink_sendmsg+0x723/0xbe0 [ 3055.033996][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3055.033996][ T74] ___sys_sendmsg+0xee/0x170 [ 3055.033996][ T74] __sys_sendmsg+0xcd/0x170 [ 3055.033996][ T74] do_syscall_64+0xc6/0x1e0 [ 3055.033996][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3055.033996][ T74] [ 3055.035740][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3055.035740][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3055.035740][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3055.035740][ T74] ipv6_find_idev+0x102/0x170 [ 3055.035740][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3055.035740][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3055.035740][ T74] netlink_rcv_skb+0x130/0x360 [ 3055.035740][ T74] netlink_unicast+0x449/0x710 [ 3055.035740][ T74] netlink_sendmsg+0x723/0xbe0 [ 3055.035740][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3055.035740][ T74] ___sys_sendmsg+0xee/0x170 [ 3055.035740][ T74] __sys_sendmsg+0xcd/0x170 [ 3055.035740][ T74] do_syscall_64+0xc6/0x1e0 [ 3055.035740][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3055.035740][ T74] [ 3055.037615][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3055.037866][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3055.037866][ T74] netdev_get_by_index+0x5e/0x80 [ 3055.037866][ T74] fib6_nh_init+0x3d8/0x1580 [ 3055.037866][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3055.037866][ T74] ip6_route_add+0x1c/0x140 [ 3055.037866][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3055.037866][ T74] inet6_addr_add+0x4f8/0xa40 [ 3055.037866][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3055.037866][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3055.037866][ T74] netlink_rcv_skb+0x130/0x360 [ 3055.037866][ T74] netlink_unicast+0x449/0x710 [ 3055.037866][ T74] netlink_sendmsg+0x723/0xbe0 [ 3055.037866][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3055.037866][ T74] ___sys_sendmsg+0xee/0x170 [ 3055.037866][ T74] __sys_sendmsg+0xcd/0x170 [ 3055.037866][ T74] do_syscall_64+0xc6/0x1e0 [ 3055.037866][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3055.037866][ T74] [ 3055.040182][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3055.040182][ T74] netdev_get_by_index+0x5e/0x80 [ 3055.040182][ T74] fib6_nh_init+0x3d8/0x1580 [ 3055.040182][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3055.040182][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3055.040182][ T74] ipv6_add_addr+0x411/0x2000 [ 3055.040182][ T74] inet6_addr_add+0x30e/0xa40 [ 3055.040182][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3055.040182][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3055.040182][ T74] netlink_rcv_skb+0x130/0x360 [ 3055.040182][ T74] netlink_unicast+0x449/0x710 [ 3055.040182][ T74] netlink_sendmsg+0x723/0xbe0 [ 3055.040182][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3055.040182][ T74] ___sys_sendmsg+0xee/0x170 [ 3055.040182][ T74] __sys_sendmsg+0xcd/0x170 [ 3055.040182][ T74] do_syscall_64+0xc6/0x1e0 [ 3055.040182][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3055.040182][ T74] [ 3055.042420][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3055.042420][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3055.042420][ T74] ipv6_find_idev+0x102/0x170 [ 3055.042420][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3055.042420][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3055.042420][ T74] netlink_rcv_skb+0x130/0x360 [ 3055.042420][ T74] netlink_unicast+0x449/0x710 [ 3055.042420][ T74] netlink_sendmsg+0x723/0xbe0 [ 3055.042420][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3055.042420][ T74] ___sys_sendmsg+0xee/0x170 [ 3055.042420][ T74] __sys_sendmsg+0xcd/0x170 [ 3055.042420][ T74] do_syscall_64+0xc6/0x1e0 [ 3055.042420][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3055.042420][ T74] [ 3055.044156][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3055.044156][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3055.044156][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3055.044156][ T74] ipv6_find_idev+0x102/0x170 [ 3055.044156][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3055.044156][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3055.044156][ T74] netlink_rcv_skb+0x130/0x360 [ 3055.044156][ T74] netlink_unicast+0x449/0x710 [ 3055.044156][ T74] netlink_sendmsg+0x723/0xbe0 [ 3055.044156][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3055.044156][ T74] ___sys_sendmsg+0xee/0x170 [ 3055.044156][ T74] __sys_sendmsg+0xcd/0x170 [ 3055.044156][ T74] do_syscall_64+0xc6/0x1e0 [ 3055.044156][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3055.044156][ T74] [ 3065.287889][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3065.288337][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3065.288337][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3065.288337][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3065.288337][ T74] fib6_nh_init+0xa22/0x1580 [ 3065.288337][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3065.288337][ T74] ip6_route_add+0x1c/0x140 [ 3065.288337][ T74] inet6_rtm_newroute+0x104/0x110 [ 3065.288337][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3065.288337][ T74] netlink_rcv_skb+0x130/0x360 [ 3065.288337][ T74] netlink_unicast+0x449/0x710 [ 3065.288337][ T74] netlink_sendmsg+0x723/0xbe0 [ 3065.288337][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3065.288337][ T74] ___sys_sendmsg+0xee/0x170 [ 3065.288337][ T74] __sys_sendmsg+0xcd/0x170 [ 3065.288337][ T74] do_syscall_64+0xc6/0x1e0 [ 3065.288337][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3065.288337][ T74] [ 3065.290252][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3065.290252][ T74] netdev_get_by_index+0x5e/0x80 [ 3065.290252][ T74] fib6_nh_init+0x3d8/0x1580 [ 3065.290252][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3065.290252][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3065.290252][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3065.290252][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3065.290252][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3065.290252][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3065.290252][ T74] addrconf_dad_begin+0x310/0x670 [ 3065.290252][ T74] addrconf_dad_work+0x10b/0xab0 [ 3065.290252][ T74] process_one_work+0x84d/0x18a0 [ 3065.290252][ T74] worker_thread+0x587/0xd30 [ 3065.290252][ T74] kthread+0x28a/0x350 [ 3065.290252][ T74] ret_from_fork+0x31/0x70 [ 3065.290252][ T74] ret_from_fork_asm+0x1a/0x30 [ 3065.290252][ T74] [ 3065.292167][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3065.292167][ T74] netdev_get_by_index+0x5e/0x80 [ 3065.292167][ T74] fib6_nh_init+0x3d8/0x1580 [ 3065.292167][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3065.292167][ T74] ip6_route_add+0x1c/0x140 [ 3065.292167][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3065.292167][ T74] inet6_addr_add+0x4f8/0xa40 [ 3065.292167][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3065.292167][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3065.292167][ T74] netlink_rcv_skb+0x130/0x360 [ 3065.292167][ T74] netlink_unicast+0x449/0x710 [ 3065.292167][ T74] netlink_sendmsg+0x723/0xbe0 [ 3065.292167][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3065.292167][ T74] ___sys_sendmsg+0xee/0x170 [ 3065.292167][ T74] __sys_sendmsg+0xcd/0x170 [ 3065.292167][ T74] do_syscall_64+0xc6/0x1e0 [ 3065.292167][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3065.292167][ T74] [ 3065.294193][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3065.294193][ T74] netdev_get_by_index+0x5e/0x80 [ 3065.294193][ T74] fib6_nh_init+0x3d8/0x1580 [ 3065.294193][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3065.294193][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3065.294193][ T74] ipv6_add_addr+0x411/0x2000 [ 3065.294193][ T74] inet6_addr_add+0x30e/0xa40 [ 3065.294193][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3065.294193][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3065.294193][ T74] netlink_rcv_skb+0x130/0x360 [ 3065.294193][ T74] netlink_unicast+0x449/0x710 [ 3065.294193][ T74] netlink_sendmsg+0x723/0xbe0 [ 3065.294193][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3065.294193][ T74] ___sys_sendmsg+0xee/0x170 [ 3065.294193][ T74] __sys_sendmsg+0xcd/0x170 [ 3065.294193][ T74] do_syscall_64+0xc6/0x1e0 [ 3065.294193][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3065.294193][ T74] [ 3065.296208][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3065.296208][ T74] netdev_get_by_index+0x5e/0x80 [ 3065.296208][ T74] fib6_nh_init+0x3d8/0x1580 [ 3065.296208][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3065.296208][ T74] ip6_route_add+0x1c/0x140 [ 3065.296208][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3065.296208][ T74] addrconf_add_dev+0xe2/0x170 [ 3065.296208][ T74] inet6_addr_add+0x12f/0xa40 [ 3065.296208][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3065.296208][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3065.296208][ T74] netlink_rcv_skb+0x130/0x360 [ 3065.296208][ T74] netlink_unicast+0x449/0x710 [ 3065.296208][ T74] netlink_sendmsg+0x723/0xbe0 [ 3065.296208][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3065.296208][ T74] ___sys_sendmsg+0xee/0x170 [ 3065.296208][ T74] __sys_sendmsg+0xcd/0x170 [ 3065.296208][ T74] do_syscall_64+0xc6/0x1e0 [ 3065.296208][ T74] [ 3065.298200][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3065.298200][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3065.298200][ T74] ipv6_find_idev+0x102/0x170 [ 3065.298200][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3065.298200][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3065.298200][ T74] netlink_rcv_skb+0x130/0x360 [ 3065.298200][ T74] netlink_unicast+0x449/0x710 [ 3065.298200][ T74] netlink_sendmsg+0x723/0xbe0 [ 3065.298200][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3065.298200][ T74] ___sys_sendmsg+0xee/0x170 [ 3065.298200][ T74] __sys_sendmsg+0xcd/0x170 [ 3065.298200][ T74] do_syscall_64+0xc6/0x1e0 [ 3065.298200][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3065.298200][ T74] [ 3065.299752][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3065.299752][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3065.299752][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3065.299752][ T74] ipv6_find_idev+0x102/0x170 [ 3065.299752][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3065.299752][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3065.299752][ T74] netlink_rcv_skb+0x130/0x360 [ 3065.299752][ T74] netlink_unicast+0x449/0x710 [ 3065.299752][ T74] netlink_sendmsg+0x723/0xbe0 [ 3065.299752][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3065.299752][ T74] ___sys_sendmsg+0xee/0x170 [ 3065.299752][ T74] __sys_sendmsg+0xcd/0x170 [ 3065.299752][ T74] do_syscall_64+0xc6/0x1e0 [ 3065.299752][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3065.299752][ T74] [ 3065.301467][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3065.301741][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3065.301741][ T74] dst_init+0x84/0x4a0 [ 3065.301741][ T74] dst_alloc+0x97/0x150 [ 3065.301741][ T74] ip6_dst_alloc+0x23/0x90 [ 3065.301741][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3065.301741][ T74] ip6_pol_route+0x56f/0x840 [ 3065.301741][ T74] fib6_rule_lookup+0x456/0x630 [ 3065.301741][ T74] ip6_route_input+0x59c/0xa50 [ 3065.301741][ T74] ipv6_rcv+0x397/0x810 [ 3065.301741][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3065.301741][ T74] process_backlog+0x101/0x620 [ 3065.301741][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3065.301741][ T74] net_rx_action+0x495/0xbe0 [ 3065.301741][ T74] __do_softirq+0x1b5/0x7f6 [ 3065.301741][ T74] [ 3065.303387][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3065.303387][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3065.303387][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3065.303387][ T74] fib6_nh_init+0xa22/0x1580 [ 3065.303387][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3065.303387][ T74] ip6_route_add+0x1c/0x140 [ 3065.303387][ T74] inet6_rtm_newroute+0x104/0x110 [ 3065.303387][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3065.303387][ T74] netlink_rcv_skb+0x130/0x360 [ 3065.303387][ T74] netlink_unicast+0x449/0x710 [ 3065.303387][ T74] netlink_sendmsg+0x723/0xbe0 [ 3065.303387][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3065.303387][ T74] ___sys_sendmsg+0xee/0x170 [ 3065.303387][ T74] __sys_sendmsg+0xcd/0x170 [ 3065.303387][ T74] do_syscall_64+0xc6/0x1e0 [ 3065.303387][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3065.303387][ T74] [ 3065.305292][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3065.305292][ T74] netdev_get_by_index+0x5e/0x80 [ 3065.305292][ T74] fib6_nh_init+0x3d8/0x1580 [ 3065.305292][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3065.305292][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3065.305292][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3065.305292][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3065.305292][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3065.305292][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3065.305292][ T74] addrconf_dad_begin+0x310/0x670 [ 3065.305292][ T74] addrconf_dad_work+0x10b/0xab0 [ 3065.305292][ T74] process_one_work+0x84d/0x18a0 [ 3065.305292][ T74] worker_thread+0x587/0xd30 [ 3065.305292][ T74] kthread+0x28a/0x350 [ 3065.305292][ T74] ret_from_fork+0x31/0x70 [ 3065.305292][ T74] ret_from_fork_asm+0x1a/0x30 [ 3065.305292][ T74] [ 3065.307214][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3065.307214][ T74] netdev_get_by_index+0x5e/0x80 [ 3065.307214][ T74] fib6_nh_init+0x3d8/0x1580 [ 3065.307214][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3065.307214][ T74] ip6_route_add+0x1c/0x140 [ 3065.307214][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3065.307214][ T74] inet6_addr_add+0x4f8/0xa40 [ 3065.307214][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3065.307214][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3065.307214][ T74] netlink_rcv_skb+0x130/0x360 [ 3065.307214][ T74] netlink_unicast+0x449/0x710 [ 3065.307214][ T74] netlink_sendmsg+0x723/0xbe0 [ 3065.307214][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3065.307214][ T74] ___sys_sendmsg+0xee/0x170 [ 3065.307214][ T74] __sys_sendmsg+0xcd/0x170 [ 3065.307214][ T74] do_syscall_64+0xc6/0x1e0 [ 3065.307214][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3065.307214][ T74] [ 3065.309217][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3065.309217][ T74] netdev_get_by_index+0x5e/0x80 [ 3065.309217][ T74] fib6_nh_init+0x3d8/0x1580 [ 3065.309217][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3065.309217][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3065.309217][ T74] ipv6_add_addr+0x411/0x2000 [ 3065.309217][ T74] inet6_addr_add+0x30e/0xa40 [ 3065.309217][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3065.309217][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3065.309217][ T74] netlink_rcv_skb+0x130/0x360 [ 3065.309217][ T74] netlink_unicast+0x449/0x710 [ 3065.309217][ T74] netlink_sendmsg+0x723/0xbe0 [ 3065.309217][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3065.309217][ T74] ___sys_sendmsg+0xee/0x170 [ 3065.309217][ T74] __sys_sendmsg+0xcd/0x170 [ 3065.309217][ T74] do_syscall_64+0xc6/0x1e0 [ 3065.309217][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3065.309217][ T74] [ 3065.311233][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3065.311233][ T74] netdev_get_by_index+0x5e/0x80 [ 3065.311233][ T74] fib6_nh_init+0x3d8/0x1580 [ 3065.311233][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3065.311233][ T74] ip6_route_add+0x1c/0x140 [ 3065.311233][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3065.311233][ T74] addrconf_add_dev+0xe2/0x170 [ 3065.311233][ T74] inet6_addr_add+0x12f/0xa40 [ 3065.311233][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3065.311233][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3065.311233][ T74] netlink_rcv_skb+0x130/0x360 [ 3065.311233][ T74] netlink_unicast+0x449/0x710 [ 3065.311233][ T74] netlink_sendmsg+0x723/0xbe0 [ 3065.311233][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3065.311233][ T74] ___sys_sendmsg+0xee/0x170 [ 3065.311233][ T74] __sys_sendmsg+0xcd/0x170 [ 3065.311233][ T74] do_syscall_64+0xc6/0x1e0 [ 3065.311233][ T74] [ 3065.313206][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3065.313206][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3065.313206][ T74] ipv6_find_idev+0x102/0x170 [ 3065.313206][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3065.313206][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3065.313206][ T74] netlink_rcv_skb+0x130/0x360 [ 3065.313206][ T74] netlink_unicast+0x449/0x710 [ 3065.313206][ T74] netlink_sendmsg+0x723/0xbe0 [ 3065.313206][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3065.313206][ T74] ___sys_sendmsg+0xee/0x170 [ 3065.313206][ T74] __sys_sendmsg+0xcd/0x170 [ 3065.313206][ T74] do_syscall_64+0xc6/0x1e0 [ 3065.313206][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3065.313206][ T74] [ 3065.314954][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3065.314954][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3065.314954][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3065.314954][ T74] ipv6_find_idev+0x102/0x170 [ 3065.314954][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3065.314954][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3065.314954][ T74] netlink_rcv_skb+0x130/0x360 [ 3065.314954][ T74] netlink_unicast+0x449/0x710 [ 3065.314954][ T74] netlink_sendmsg+0x723/0xbe0 [ 3065.314954][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3065.314954][ T74] ___sys_sendmsg+0xee/0x170 [ 3065.314954][ T74] __sys_sendmsg+0xcd/0x170 [ 3065.314954][ T74] do_syscall_64+0xc6/0x1e0 [ 3065.314954][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3065.314954][ T74] [ 3065.316855][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3065.317108][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3065.317108][ T74] netdev_get_by_index+0x5e/0x80 [ 3065.317108][ T74] fib6_nh_init+0x3d8/0x1580 [ 3065.317108][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3065.317108][ T74] ip6_route_add+0x1c/0x140 [ 3065.317108][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3065.317108][ T74] inet6_addr_add+0x4f8/0xa40 [ 3065.317108][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3065.317108][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3065.317108][ T74] netlink_rcv_skb+0x130/0x360 [ 3065.317108][ T74] netlink_unicast+0x449/0x710 [ 3065.317108][ T74] netlink_sendmsg+0x723/0xbe0 [ 3065.317108][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3065.317108][ T74] ___sys_sendmsg+0xee/0x170 [ 3065.317108][ T74] __sys_sendmsg+0xcd/0x170 [ 3065.317108][ T74] do_syscall_64+0xc6/0x1e0 [ 3065.317108][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3065.317108][ T74] [ 3065.319370][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3065.319370][ T74] netdev_get_by_index+0x5e/0x80 [ 3065.319370][ T74] fib6_nh_init+0x3d8/0x1580 [ 3065.319370][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3065.319370][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3065.319370][ T74] ipv6_add_addr+0x411/0x2000 [ 3065.319370][ T74] inet6_addr_add+0x30e/0xa40 [ 3065.319370][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3065.319370][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3065.319370][ T74] netlink_rcv_skb+0x130/0x360 [ 3065.319370][ T74] netlink_unicast+0x449/0x710 [ 3065.319370][ T74] netlink_sendmsg+0x723/0xbe0 [ 3065.319370][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3065.319370][ T74] ___sys_sendmsg+0xee/0x170 [ 3065.319370][ T74] __sys_sendmsg+0xcd/0x170 [ 3065.319370][ T74] do_syscall_64+0xc6/0x1e0 [ 3065.319370][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3065.319370][ T74] [ 3065.321611][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3065.321611][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3065.321611][ T74] ipv6_find_idev+0x102/0x170 [ 3065.321611][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3065.321611][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3065.321611][ T74] netlink_rcv_skb+0x130/0x360 [ 3065.321611][ T74] netlink_unicast+0x449/0x710 [ 3065.321611][ T74] netlink_sendmsg+0x723/0xbe0 [ 3065.321611][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3065.321611][ T74] ___sys_sendmsg+0xee/0x170 [ 3065.321611][ T74] __sys_sendmsg+0xcd/0x170 [ 3065.321611][ T74] do_syscall_64+0xc6/0x1e0 [ 3065.321611][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3065.321611][ T74] [ 3065.323356][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3065.323356][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3065.323356][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3065.323356][ T74] ipv6_find_idev+0x102/0x170 [ 3065.323356][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3065.323356][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3065.323356][ T74] netlink_rcv_skb+0x130/0x360 [ 3065.323356][ T74] netlink_unicast+0x449/0x710 [ 3065.323356][ T74] netlink_sendmsg+0x723/0xbe0 [ 3065.323356][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3065.323356][ T74] ___sys_sendmsg+0xee/0x170 [ 3065.323356][ T74] __sys_sendmsg+0xcd/0x170 [ 3065.323356][ T74] do_syscall_64+0xc6/0x1e0 [ 3065.323356][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3065.323356][ T74] [ 3075.567938][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3075.568405][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3075.568405][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3075.568405][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3075.568405][ T74] fib6_nh_init+0xa22/0x1580 [ 3075.568405][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3075.568405][ T74] ip6_route_add+0x1c/0x140 [ 3075.568405][ T74] inet6_rtm_newroute+0x104/0x110 [ 3075.568405][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3075.568405][ T74] netlink_rcv_skb+0x130/0x360 [ 3075.568405][ T74] netlink_unicast+0x449/0x710 [ 3075.568405][ T74] netlink_sendmsg+0x723/0xbe0 [ 3075.568405][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3075.568405][ T74] ___sys_sendmsg+0xee/0x170 [ 3075.568405][ T74] __sys_sendmsg+0xcd/0x170 [ 3075.568405][ T74] do_syscall_64+0xc6/0x1e0 [ 3075.568405][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3075.568405][ T74] [ 3075.570310][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3075.570310][ T74] netdev_get_by_index+0x5e/0x80 [ 3075.570310][ T74] fib6_nh_init+0x3d8/0x1580 [ 3075.570310][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3075.570310][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3075.570310][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3075.570310][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3075.570310][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3075.570310][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3075.570310][ T74] addrconf_dad_begin+0x310/0x670 [ 3075.570310][ T74] addrconf_dad_work+0x10b/0xab0 [ 3075.570310][ T74] process_one_work+0x84d/0x18a0 [ 3075.570310][ T74] worker_thread+0x587/0xd30 [ 3075.570310][ T74] kthread+0x28a/0x350 [ 3075.570310][ T74] ret_from_fork+0x31/0x70 [ 3075.570310][ T74] ret_from_fork_asm+0x1a/0x30 [ 3075.570310][ T74] [ 3075.572252][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3075.572252][ T74] netdev_get_by_index+0x5e/0x80 [ 3075.572252][ T74] fib6_nh_init+0x3d8/0x1580 [ 3075.572252][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3075.572252][ T74] ip6_route_add+0x1c/0x140 [ 3075.572252][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3075.572252][ T74] inet6_addr_add+0x4f8/0xa40 [ 3075.572252][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3075.572252][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3075.572252][ T74] netlink_rcv_skb+0x130/0x360 [ 3075.572252][ T74] netlink_unicast+0x449/0x710 [ 3075.572252][ T74] netlink_sendmsg+0x723/0xbe0 [ 3075.572252][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3075.572252][ T74] ___sys_sendmsg+0xee/0x170 [ 3075.572252][ T74] __sys_sendmsg+0xcd/0x170 [ 3075.572252][ T74] do_syscall_64+0xc6/0x1e0 [ 3075.572252][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3075.572252][ T74] [ 3075.574301][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3075.574301][ T74] netdev_get_by_index+0x5e/0x80 [ 3075.574301][ T74] fib6_nh_init+0x3d8/0x1580 [ 3075.574301][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3075.574301][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3075.574301][ T74] ipv6_add_addr+0x411/0x2000 [ 3075.574301][ T74] inet6_addr_add+0x30e/0xa40 [ 3075.574301][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3075.574301][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3075.574301][ T74] netlink_rcv_skb+0x130/0x360 [ 3075.574301][ T74] netlink_unicast+0x449/0x710 [ 3075.574301][ T74] netlink_sendmsg+0x723/0xbe0 [ 3075.574301][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3075.574301][ T74] ___sys_sendmsg+0xee/0x170 [ 3075.574301][ T74] __sys_sendmsg+0xcd/0x170 [ 3075.574301][ T74] do_syscall_64+0xc6/0x1e0 [ 3075.574301][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3075.574301][ T74] [ 3075.576317][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3075.576317][ T74] netdev_get_by_index+0x5e/0x80 [ 3075.576317][ T74] fib6_nh_init+0x3d8/0x1580 [ 3075.576317][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3075.576317][ T74] ip6_route_add+0x1c/0x140 [ 3075.576317][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3075.576317][ T74] addrconf_add_dev+0xe2/0x170 [ 3075.576317][ T74] inet6_addr_add+0x12f/0xa40 [ 3075.576317][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3075.576317][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3075.576317][ T74] netlink_rcv_skb+0x130/0x360 [ 3075.576317][ T74] netlink_unicast+0x449/0x710 [ 3075.576317][ T74] netlink_sendmsg+0x723/0xbe0 [ 3075.576317][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3075.576317][ T74] ___sys_sendmsg+0xee/0x170 [ 3075.576317][ T74] __sys_sendmsg+0xcd/0x170 [ 3075.576317][ T74] do_syscall_64+0xc6/0x1e0 [ 3075.576317][ T74] [ 3075.578311][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3075.578311][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3075.578311][ T74] ipv6_find_idev+0x102/0x170 [ 3075.578311][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3075.578311][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3075.578311][ T74] netlink_rcv_skb+0x130/0x360 [ 3075.578311][ T74] netlink_unicast+0x449/0x710 [ 3075.578311][ T74] netlink_sendmsg+0x723/0xbe0 [ 3075.578311][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3075.578311][ T74] ___sys_sendmsg+0xee/0x170 [ 3075.578311][ T74] __sys_sendmsg+0xcd/0x170 [ 3075.578311][ T74] do_syscall_64+0xc6/0x1e0 [ 3075.578311][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3075.578311][ T74] [ 3075.579851][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3075.579851][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3075.579851][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3075.579851][ T74] ipv6_find_idev+0x102/0x170 [ 3075.579851][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3075.579851][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3075.579851][ T74] netlink_rcv_skb+0x130/0x360 [ 3075.579851][ T74] netlink_unicast+0x449/0x710 [ 3075.579851][ T74] netlink_sendmsg+0x723/0xbe0 [ 3075.579851][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3075.579851][ T74] ___sys_sendmsg+0xee/0x170 [ 3075.579851][ T74] __sys_sendmsg+0xcd/0x170 [ 3075.579851][ T74] do_syscall_64+0xc6/0x1e0 [ 3075.579851][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3075.579851][ T74] [ 3075.581576][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3075.581857][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3075.581857][ T74] dst_init+0x84/0x4a0 [ 3075.581857][ T74] dst_alloc+0x97/0x150 [ 3075.581857][ T74] ip6_dst_alloc+0x23/0x90 [ 3075.581857][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3075.581857][ T74] ip6_pol_route+0x56f/0x840 [ 3075.581857][ T74] fib6_rule_lookup+0x456/0x630 [ 3075.581857][ T74] ip6_route_input+0x59c/0xa50 [ 3075.581857][ T74] ipv6_rcv+0x397/0x810 [ 3075.581857][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3075.581857][ T74] process_backlog+0x101/0x620 [ 3075.581857][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3075.581857][ T74] net_rx_action+0x495/0xbe0 [ 3075.581857][ T74] __do_softirq+0x1b5/0x7f6 [ 3075.581857][ T74] [ 3075.583503][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3075.583503][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3075.583503][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3075.583503][ T74] fib6_nh_init+0xa22/0x1580 [ 3075.583503][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3075.583503][ T74] ip6_route_add+0x1c/0x140 [ 3075.583503][ T74] inet6_rtm_newroute+0x104/0x110 [ 3075.583503][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3075.583503][ T74] netlink_rcv_skb+0x130/0x360 [ 3075.583503][ T74] netlink_unicast+0x449/0x710 [ 3075.583503][ T74] netlink_sendmsg+0x723/0xbe0 [ 3075.583503][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3075.583503][ T74] ___sys_sendmsg+0xee/0x170 [ 3075.583503][ T74] __sys_sendmsg+0xcd/0x170 [ 3075.583503][ T74] do_syscall_64+0xc6/0x1e0 [ 3075.583503][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3075.583503][ T74] [ 3075.585409][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3075.585409][ T74] netdev_get_by_index+0x5e/0x80 [ 3075.585409][ T74] fib6_nh_init+0x3d8/0x1580 [ 3075.585409][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3075.585409][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3075.585409][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3075.585409][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3075.585409][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3075.585409][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3075.585409][ T74] addrconf_dad_begin+0x310/0x670 [ 3075.585409][ T74] addrconf_dad_work+0x10b/0xab0 [ 3075.585409][ T74] process_one_work+0x84d/0x18a0 [ 3075.585409][ T74] worker_thread+0x587/0xd30 [ 3075.585409][ T74] kthread+0x28a/0x350 [ 3075.585409][ T74] ret_from_fork+0x31/0x70 [ 3075.585409][ T74] ret_from_fork_asm+0x1a/0x30 [ 3075.585409][ T74] [ 3075.587324][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3075.587324][ T74] netdev_get_by_index+0x5e/0x80 [ 3075.587324][ T74] fib6_nh_init+0x3d8/0x1580 [ 3075.587324][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3075.587324][ T74] ip6_route_add+0x1c/0x140 [ 3075.587324][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3075.587324][ T74] inet6_addr_add+0x4f8/0xa40 [ 3075.587324][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3075.587324][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3075.587324][ T74] netlink_rcv_skb+0x130/0x360 [ 3075.587324][ T74] netlink_unicast+0x449/0x710 [ 3075.587324][ T74] netlink_sendmsg+0x723/0xbe0 [ 3075.587324][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3075.587324][ T74] ___sys_sendmsg+0xee/0x170 [ 3075.587324][ T74] __sys_sendmsg+0xcd/0x170 [ 3075.587324][ T74] do_syscall_64+0xc6/0x1e0 [ 3075.587324][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3075.587324][ T74] [ 3075.589321][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3075.589321][ T74] netdev_get_by_index+0x5e/0x80 [ 3075.589321][ T74] fib6_nh_init+0x3d8/0x1580 [ 3075.589321][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3075.589321][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3075.589321][ T74] ipv6_add_addr+0x411/0x2000 [ 3075.589321][ T74] inet6_addr_add+0x30e/0xa40 [ 3075.589321][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3075.589321][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3075.589321][ T74] netlink_rcv_skb+0x130/0x360 [ 3075.589321][ T74] netlink_unicast+0x449/0x710 [ 3075.589321][ T74] netlink_sendmsg+0x723/0xbe0 [ 3075.589321][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3075.589321][ T74] ___sys_sendmsg+0xee/0x170 [ 3075.589321][ T74] __sys_sendmsg+0xcd/0x170 [ 3075.589321][ T74] do_syscall_64+0xc6/0x1e0 [ 3075.589321][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3075.589321][ T74] [ 3075.591325][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3075.591325][ T74] netdev_get_by_index+0x5e/0x80 [ 3075.591325][ T74] fib6_nh_init+0x3d8/0x1580 [ 3075.591325][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3075.591325][ T74] ip6_route_add+0x1c/0x140 [ 3075.591325][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3075.591325][ T74] addrconf_add_dev+0xe2/0x170 [ 3075.591325][ T74] inet6_addr_add+0x12f/0xa40 [ 3075.591325][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3075.591325][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3075.591325][ T74] netlink_rcv_skb+0x130/0x360 [ 3075.591325][ T74] netlink_unicast+0x449/0x710 [ 3075.591325][ T74] netlink_sendmsg+0x723/0xbe0 [ 3075.591325][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3075.591325][ T74] ___sys_sendmsg+0xee/0x170 [ 3075.591325][ T74] __sys_sendmsg+0xcd/0x170 [ 3075.591325][ T74] do_syscall_64+0xc6/0x1e0 [ 3075.591325][ T74] [ 3075.593311][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3075.593311][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3075.593311][ T74] ipv6_find_idev+0x102/0x170 [ 3075.593311][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3075.593311][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3075.593311][ T74] netlink_rcv_skb+0x130/0x360 [ 3075.593311][ T74] netlink_unicast+0x449/0x710 [ 3075.593311][ T74] netlink_sendmsg+0x723/0xbe0 [ 3075.593311][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3075.593311][ T74] ___sys_sendmsg+0xee/0x170 [ 3075.593311][ T74] __sys_sendmsg+0xcd/0x170 [ 3075.593311][ T74] do_syscall_64+0xc6/0x1e0 [ 3075.593311][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3075.593311][ T74] [ 3075.594997][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3075.594997][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3075.594997][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3075.594997][ T74] ipv6_find_idev+0x102/0x170 [ 3075.594997][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3075.594997][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3075.594997][ T74] netlink_rcv_skb+0x130/0x360 [ 3075.594997][ T74] netlink_unicast+0x449/0x710 [ 3075.594997][ T74] netlink_sendmsg+0x723/0xbe0 [ 3075.594997][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3075.594997][ T74] ___sys_sendmsg+0xee/0x170 [ 3075.594997][ T74] __sys_sendmsg+0xcd/0x170 [ 3075.594997][ T74] do_syscall_64+0xc6/0x1e0 [ 3075.594997][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3075.594997][ T74] [ 3075.596810][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3075.597086][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3075.597086][ T74] netdev_get_by_index+0x5e/0x80 [ 3075.597086][ T74] fib6_nh_init+0x3d8/0x1580 [ 3075.597086][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3075.597086][ T74] ip6_route_add+0x1c/0x140 [ 3075.597086][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3075.597086][ T74] inet6_addr_add+0x4f8/0xa40 [ 3075.597086][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3075.597086][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3075.597086][ T74] netlink_rcv_skb+0x130/0x360 [ 3075.597086][ T74] netlink_unicast+0x449/0x710 [ 3075.597086][ T74] netlink_sendmsg+0x723/0xbe0 [ 3075.597086][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3075.597086][ T74] ___sys_sendmsg+0xee/0x170 [ 3075.597086][ T74] __sys_sendmsg+0xcd/0x170 [ 3075.597086][ T74] do_syscall_64+0xc6/0x1e0 [ 3075.597086][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3075.597086][ T74] [ 3075.599213][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3075.599213][ T74] netdev_get_by_index+0x5e/0x80 [ 3075.599213][ T74] fib6_nh_init+0x3d8/0x1580 [ 3075.599213][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3075.599213][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3075.599213][ T74] ipv6_add_addr+0x411/0x2000 [ 3075.599213][ T74] inet6_addr_add+0x30e/0xa40 [ 3075.599213][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3075.599213][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3075.599213][ T74] netlink_rcv_skb+0x130/0x360 [ 3075.599213][ T74] netlink_unicast+0x449/0x710 [ 3075.599213][ T74] netlink_sendmsg+0x723/0xbe0 [ 3075.599213][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3075.599213][ T74] ___sys_sendmsg+0xee/0x170 [ 3075.599213][ T74] __sys_sendmsg+0xcd/0x170 [ 3075.599213][ T74] do_syscall_64+0xc6/0x1e0 [ 3075.599213][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3075.599213][ T74] [ 3075.601336][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3075.601336][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3075.601336][ T74] ipv6_find_idev+0x102/0x170 [ 3075.601336][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3075.601336][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3075.601336][ T74] netlink_rcv_skb+0x130/0x360 [ 3075.601336][ T74] netlink_unicast+0x449/0x710 [ 3075.601336][ T74] netlink_sendmsg+0x723/0xbe0 [ 3075.601336][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3075.601336][ T74] ___sys_sendmsg+0xee/0x170 [ 3075.601336][ T74] __sys_sendmsg+0xcd/0x170 [ 3075.601336][ T74] do_syscall_64+0xc6/0x1e0 [ 3075.601336][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3075.601336][ T74] [ 3075.602933][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3075.602933][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3075.602933][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3075.602933][ T74] ipv6_find_idev+0x102/0x170 [ 3075.602933][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3075.602933][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3075.602933][ T74] netlink_rcv_skb+0x130/0x360 [ 3075.602933][ T74] netlink_unicast+0x449/0x710 [ 3075.602933][ T74] netlink_sendmsg+0x723/0xbe0 [ 3075.602933][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3075.602933][ T74] ___sys_sendmsg+0xee/0x170 [ 3075.602933][ T74] __sys_sendmsg+0xcd/0x170 [ 3075.602933][ T74] do_syscall_64+0xc6/0x1e0 [ 3075.602933][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3075.602933][ T74] [ 3085.839947][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3085.840381][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3085.840381][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3085.840381][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3085.840381][ T74] fib6_nh_init+0xa22/0x1580 [ 3085.840381][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3085.840381][ T74] ip6_route_add+0x1c/0x140 [ 3085.840381][ T74] inet6_rtm_newroute+0x104/0x110 [ 3085.840381][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3085.840381][ T74] netlink_rcv_skb+0x130/0x360 [ 3085.840381][ T74] netlink_unicast+0x449/0x710 [ 3085.840381][ T74] netlink_sendmsg+0x723/0xbe0 [ 3085.840381][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3085.840381][ T74] ___sys_sendmsg+0xee/0x170 [ 3085.840381][ T74] __sys_sendmsg+0xcd/0x170 [ 3085.840381][ T74] do_syscall_64+0xc6/0x1e0 [ 3085.840381][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3085.840381][ T74] [ 3085.842295][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3085.842295][ T74] netdev_get_by_index+0x5e/0x80 [ 3085.842295][ T74] fib6_nh_init+0x3d8/0x1580 [ 3085.842295][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3085.842295][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3085.842295][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3085.842295][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3085.842295][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3085.842295][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3085.842295][ T74] addrconf_dad_begin+0x310/0x670 [ 3085.842295][ T74] addrconf_dad_work+0x10b/0xab0 [ 3085.842295][ T74] process_one_work+0x84d/0x18a0 [ 3085.842295][ T74] worker_thread+0x587/0xd30 [ 3085.842295][ T74] kthread+0x28a/0x350 [ 3085.842295][ T74] ret_from_fork+0x31/0x70 [ 3085.842295][ T74] ret_from_fork_asm+0x1a/0x30 [ 3085.842295][ T74] [ 3085.844233][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3085.844233][ T74] netdev_get_by_index+0x5e/0x80 [ 3085.844233][ T74] fib6_nh_init+0x3d8/0x1580 [ 3085.844233][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3085.844233][ T74] ip6_route_add+0x1c/0x140 [ 3085.844233][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3085.844233][ T74] inet6_addr_add+0x4f8/0xa40 [ 3085.844233][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3085.844233][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3085.844233][ T74] netlink_rcv_skb+0x130/0x360 [ 3085.844233][ T74] netlink_unicast+0x449/0x710 [ 3085.844233][ T74] netlink_sendmsg+0x723/0xbe0 [ 3085.844233][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3085.844233][ T74] ___sys_sendmsg+0xee/0x170 [ 3085.844233][ T74] __sys_sendmsg+0xcd/0x170 [ 3085.844233][ T74] do_syscall_64+0xc6/0x1e0 [ 3085.844233][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3085.844233][ T74] [ 3085.846230][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3085.846230][ T74] netdev_get_by_index+0x5e/0x80 [ 3085.846230][ T74] fib6_nh_init+0x3d8/0x1580 [ 3085.846230][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3085.846230][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3085.846230][ T74] ipv6_add_addr+0x411/0x2000 [ 3085.846230][ T74] inet6_addr_add+0x30e/0xa40 [ 3085.846230][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3085.846230][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3085.846230][ T74] netlink_rcv_skb+0x130/0x360 [ 3085.846230][ T74] netlink_unicast+0x449/0x710 [ 3085.846230][ T74] netlink_sendmsg+0x723/0xbe0 [ 3085.846230][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3085.846230][ T74] ___sys_sendmsg+0xee/0x170 [ 3085.846230][ T74] __sys_sendmsg+0xcd/0x170 [ 3085.846230][ T74] do_syscall_64+0xc6/0x1e0 [ 3085.846230][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3085.846230][ T74] [ 3085.848288][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3085.848288][ T74] netdev_get_by_index+0x5e/0x80 [ 3085.848288][ T74] fib6_nh_init+0x3d8/0x1580 [ 3085.848288][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3085.848288][ T74] ip6_route_add+0x1c/0x140 [ 3085.848288][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3085.848288][ T74] addrconf_add_dev+0xe2/0x170 [ 3085.848288][ T74] inet6_addr_add+0x12f/0xa40 [ 3085.848288][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3085.848288][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3085.848288][ T74] netlink_rcv_skb+0x130/0x360 [ 3085.848288][ T74] netlink_unicast+0x449/0x710 [ 3085.848288][ T74] netlink_sendmsg+0x723/0xbe0 [ 3085.848288][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3085.848288][ T74] ___sys_sendmsg+0xee/0x170 [ 3085.848288][ T74] __sys_sendmsg+0xcd/0x170 [ 3085.848288][ T74] do_syscall_64+0xc6/0x1e0 [ 3085.848288][ T74] [ 3085.850266][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3085.850266][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3085.850266][ T74] ipv6_find_idev+0x102/0x170 [ 3085.850266][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3085.850266][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3085.850266][ T74] netlink_rcv_skb+0x130/0x360 [ 3085.850266][ T74] netlink_unicast+0x449/0x710 [ 3085.850266][ T74] netlink_sendmsg+0x723/0xbe0 [ 3085.850266][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3085.850266][ T74] ___sys_sendmsg+0xee/0x170 [ 3085.850266][ T74] __sys_sendmsg+0xcd/0x170 [ 3085.850266][ T74] do_syscall_64+0xc6/0x1e0 [ 3085.850266][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3085.850266][ T74] [ 3085.851813][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3085.851813][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3085.851813][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3085.851813][ T74] ipv6_find_idev+0x102/0x170 [ 3085.851813][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3085.851813][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3085.851813][ T74] netlink_rcv_skb+0x130/0x360 [ 3085.851813][ T74] netlink_unicast+0x449/0x710 [ 3085.851813][ T74] netlink_sendmsg+0x723/0xbe0 [ 3085.851813][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3085.851813][ T74] ___sys_sendmsg+0xee/0x170 [ 3085.851813][ T74] __sys_sendmsg+0xcd/0x170 [ 3085.851813][ T74] do_syscall_64+0xc6/0x1e0 [ 3085.851813][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3085.851813][ T74] [ 3085.853531][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3085.853810][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3085.853810][ T74] dst_init+0x84/0x4a0 [ 3085.853810][ T74] dst_alloc+0x97/0x150 [ 3085.853810][ T74] ip6_dst_alloc+0x23/0x90 [ 3085.853810][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3085.853810][ T74] ip6_pol_route+0x56f/0x840 [ 3085.853810][ T74] fib6_rule_lookup+0x456/0x630 [ 3085.853810][ T74] ip6_route_input+0x59c/0xa50 [ 3085.853810][ T74] ipv6_rcv+0x397/0x810 [ 3085.853810][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3085.853810][ T74] process_backlog+0x101/0x620 [ 3085.853810][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3085.853810][ T74] net_rx_action+0x495/0xbe0 [ 3085.853810][ T74] __do_softirq+0x1b5/0x7f6 [ 3085.853810][ T74] [ 3085.855464][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3085.855464][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3085.855464][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3085.855464][ T74] fib6_nh_init+0xa22/0x1580 [ 3085.855464][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3085.855464][ T74] ip6_route_add+0x1c/0x140 [ 3085.855464][ T74] inet6_rtm_newroute+0x104/0x110 [ 3085.855464][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3085.855464][ T74] netlink_rcv_skb+0x130/0x360 [ 3085.855464][ T74] netlink_unicast+0x449/0x710 [ 3085.855464][ T74] netlink_sendmsg+0x723/0xbe0 [ 3085.855464][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3085.855464][ T74] ___sys_sendmsg+0xee/0x170 [ 3085.855464][ T74] __sys_sendmsg+0xcd/0x170 [ 3085.855464][ T74] do_syscall_64+0xc6/0x1e0 [ 3085.855464][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3085.855464][ T74] [ 3085.857357][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3085.857357][ T74] netdev_get_by_index+0x5e/0x80 [ 3085.857357][ T74] fib6_nh_init+0x3d8/0x1580 [ 3085.857357][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3085.857357][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3085.857357][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3085.857357][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3085.857357][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3085.857357][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3085.857357][ T74] addrconf_dad_begin+0x310/0x670 [ 3085.857357][ T74] addrconf_dad_work+0x10b/0xab0 [ 3085.857357][ T74] process_one_work+0x84d/0x18a0 [ 3085.857357][ T74] worker_thread+0x587/0xd30 [ 3085.857357][ T74] kthread+0x28a/0x350 [ 3085.857357][ T74] ret_from_fork+0x31/0x70 [ 3085.857357][ T74] ret_from_fork_asm+0x1a/0x30 [ 3085.857357][ T74] [ 3085.859286][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3085.859286][ T74] netdev_get_by_index+0x5e/0x80 [ 3085.859286][ T74] fib6_nh_init+0x3d8/0x1580 [ 3085.859286][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3085.859286][ T74] ip6_route_add+0x1c/0x140 [ 3085.859286][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3085.859286][ T74] inet6_addr_add+0x4f8/0xa40 [ 3085.859286][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3085.859286][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3085.859286][ T74] netlink_rcv_skb+0x130/0x360 [ 3085.859286][ T74] netlink_unicast+0x449/0x710 [ 3085.859286][ T74] netlink_sendmsg+0x723/0xbe0 [ 3085.859286][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3085.859286][ T74] ___sys_sendmsg+0xee/0x170 [ 3085.859286][ T74] __sys_sendmsg+0xcd/0x170 [ 3085.859286][ T74] do_syscall_64+0xc6/0x1e0 [ 3085.859286][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3085.859286][ T74] [ 3085.861293][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3085.861293][ T74] netdev_get_by_index+0x5e/0x80 [ 3085.861293][ T74] fib6_nh_init+0x3d8/0x1580 [ 3085.861293][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3085.861293][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3085.861293][ T74] ipv6_add_addr+0x411/0x2000 [ 3085.861293][ T74] inet6_addr_add+0x30e/0xa40 [ 3085.861293][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3085.861293][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3085.861293][ T74] netlink_rcv_skb+0x130/0x360 [ 3085.861293][ T74] netlink_unicast+0x449/0x710 [ 3085.861293][ T74] netlink_sendmsg+0x723/0xbe0 [ 3085.861293][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3085.861293][ T74] ___sys_sendmsg+0xee/0x170 [ 3085.861293][ T74] __sys_sendmsg+0xcd/0x170 [ 3085.861293][ T74] do_syscall_64+0xc6/0x1e0 [ 3085.861293][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3085.861293][ T74] [ 3085.863305][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3085.863305][ T74] netdev_get_by_index+0x5e/0x80 [ 3085.863305][ T74] fib6_nh_init+0x3d8/0x1580 [ 3085.863305][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3085.863305][ T74] ip6_route_add+0x1c/0x140 [ 3085.863305][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3085.863305][ T74] addrconf_add_dev+0xe2/0x170 [ 3085.863305][ T74] inet6_addr_add+0x12f/0xa40 [ 3085.863305][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3085.863305][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3085.863305][ T74] netlink_rcv_skb+0x130/0x360 [ 3085.863305][ T74] netlink_unicast+0x449/0x710 [ 3085.863305][ T74] netlink_sendmsg+0x723/0xbe0 [ 3085.863305][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3085.863305][ T74] ___sys_sendmsg+0xee/0x170 [ 3085.863305][ T74] __sys_sendmsg+0xcd/0x170 [ 3085.863305][ T74] do_syscall_64+0xc6/0x1e0 [ 3085.863305][ T74] [ 3085.865300][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3085.865300][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3085.865300][ T74] ipv6_find_idev+0x102/0x170 [ 3085.865300][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3085.865300][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3085.865300][ T74] netlink_rcv_skb+0x130/0x360 [ 3085.865300][ T74] netlink_unicast+0x449/0x710 [ 3085.865300][ T74] netlink_sendmsg+0x723/0xbe0 [ 3085.865300][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3085.865300][ T74] ___sys_sendmsg+0xee/0x170 [ 3085.865300][ T74] __sys_sendmsg+0xcd/0x170 [ 3085.865300][ T74] do_syscall_64+0xc6/0x1e0 [ 3085.865300][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3085.865300][ T74] [ 3085.867035][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3085.867035][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3085.867035][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3085.867035][ T74] ipv6_find_idev+0x102/0x170 [ 3085.867035][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3085.867035][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3085.867035][ T74] netlink_rcv_skb+0x130/0x360 [ 3085.867035][ T74] netlink_unicast+0x449/0x710 [ 3085.867035][ T74] netlink_sendmsg+0x723/0xbe0 [ 3085.867035][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3085.867035][ T74] ___sys_sendmsg+0xee/0x170 [ 3085.867035][ T74] __sys_sendmsg+0xcd/0x170 [ 3085.867035][ T74] do_syscall_64+0xc6/0x1e0 [ 3085.867035][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3085.867035][ T74] [ 3085.868909][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3085.869165][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3085.869165][ T74] netdev_get_by_index+0x5e/0x80 [ 3085.869165][ T74] fib6_nh_init+0x3d8/0x1580 [ 3085.869165][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3085.869165][ T74] ip6_route_add+0x1c/0x140 [ 3085.869165][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3085.869165][ T74] inet6_addr_add+0x4f8/0xa40 [ 3085.869165][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3085.869165][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3085.869165][ T74] netlink_rcv_skb+0x130/0x360 [ 3085.869165][ T74] netlink_unicast+0x449/0x710 [ 3085.869165][ T74] netlink_sendmsg+0x723/0xbe0 [ 3085.869165][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3085.869165][ T74] ___sys_sendmsg+0xee/0x170 [ 3085.869165][ T74] __sys_sendmsg+0xcd/0x170 [ 3085.869165][ T74] do_syscall_64+0xc6/0x1e0 [ 3085.869165][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3085.869165][ T74] [ 3085.871485][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3085.871485][ T74] netdev_get_by_index+0x5e/0x80 [ 3085.871485][ T74] fib6_nh_init+0x3d8/0x1580 [ 3085.871485][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3085.871485][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3085.871485][ T74] ipv6_add_addr+0x411/0x2000 [ 3085.871485][ T74] inet6_addr_add+0x30e/0xa40 [ 3085.871485][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3085.871485][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3085.871485][ T74] netlink_rcv_skb+0x130/0x360 [ 3085.871485][ T74] netlink_unicast+0x449/0x710 [ 3085.871485][ T74] netlink_sendmsg+0x723/0xbe0 [ 3085.871485][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3085.871485][ T74] ___sys_sendmsg+0xee/0x170 [ 3085.871485][ T74] __sys_sendmsg+0xcd/0x170 [ 3085.871485][ T74] do_syscall_64+0xc6/0x1e0 [ 3085.871485][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3085.871485][ T74] [ 3085.873720][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3085.873720][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3085.873720][ T74] ipv6_find_idev+0x102/0x170 [ 3085.873720][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3085.873720][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3085.873720][ T74] netlink_rcv_skb+0x130/0x360 [ 3085.873720][ T74] netlink_unicast+0x449/0x710 [ 3085.873720][ T74] netlink_sendmsg+0x723/0xbe0 [ 3085.873720][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3085.873720][ T74] ___sys_sendmsg+0xee/0x170 [ 3085.873720][ T74] __sys_sendmsg+0xcd/0x170 [ 3085.873720][ T74] do_syscall_64+0xc6/0x1e0 [ 3085.873720][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3085.873720][ T74] [ 3085.875468][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3085.875468][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3085.875468][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3085.875468][ T74] ipv6_find_idev+0x102/0x170 [ 3085.875468][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3085.875468][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3085.875468][ T74] netlink_rcv_skb+0x130/0x360 [ 3085.875468][ T74] netlink_unicast+0x449/0x710 [ 3085.875468][ T74] netlink_sendmsg+0x723/0xbe0 [ 3085.875468][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3085.875468][ T74] ___sys_sendmsg+0xee/0x170 [ 3085.875468][ T74] __sys_sendmsg+0xcd/0x170 [ 3085.875468][ T74] do_syscall_64+0xc6/0x1e0 [ 3085.875468][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3085.875468][ T74] [ 3096.119920][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3096.120428][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3096.120428][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3096.120428][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3096.120428][ T74] fib6_nh_init+0xa22/0x1580 [ 3096.120428][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3096.120428][ T74] ip6_route_add+0x1c/0x140 [ 3096.120428][ T74] inet6_rtm_newroute+0x104/0x110 [ 3096.120428][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3096.120428][ T74] netlink_rcv_skb+0x130/0x360 [ 3096.120428][ T74] netlink_unicast+0x449/0x710 [ 3096.120428][ T74] netlink_sendmsg+0x723/0xbe0 [ 3096.120428][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3096.120428][ T74] ___sys_sendmsg+0xee/0x170 [ 3096.120428][ T74] __sys_sendmsg+0xcd/0x170 [ 3096.120428][ T74] do_syscall_64+0xc6/0x1e0 [ 3096.120428][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3096.120428][ T74] [ 3096.123398][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3096.123398][ T74] netdev_get_by_index+0x5e/0x80 [ 3096.123398][ T74] fib6_nh_init+0x3d8/0x1580 [ 3096.123398][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3096.123398][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3096.123398][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3096.123398][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3096.123398][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3096.123398][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3096.123398][ T74] addrconf_dad_begin+0x310/0x670 [ 3096.123398][ T74] addrconf_dad_work+0x10b/0xab0 [ 3096.123398][ T74] process_one_work+0x84d/0x18a0 [ 3096.123398][ T74] worker_thread+0x587/0xd30 [ 3096.123398][ T74] kthread+0x28a/0x350 [ 3096.123398][ T74] ret_from_fork+0x31/0x70 [ 3096.123398][ T74] ret_from_fork_asm+0x1a/0x30 [ 3096.123398][ T74] [ 3096.126397][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3096.126397][ T74] netdev_get_by_index+0x5e/0x80 [ 3096.126397][ T74] fib6_nh_init+0x3d8/0x1580 [ 3096.126397][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3096.126397][ T74] ip6_route_add+0x1c/0x140 [ 3096.126397][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3096.126397][ T74] inet6_addr_add+0x4f8/0xa40 [ 3096.126397][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3096.126397][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3096.126397][ T74] netlink_rcv_skb+0x130/0x360 [ 3096.126397][ T74] netlink_unicast+0x449/0x710 [ 3096.126397][ T74] netlink_sendmsg+0x723/0xbe0 [ 3096.126397][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3096.126397][ T74] ___sys_sendmsg+0xee/0x170 [ 3096.126397][ T74] __sys_sendmsg+0xcd/0x170 [ 3096.126397][ T74] do_syscall_64+0xc6/0x1e0 [ 3096.126397][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3096.126397][ T74] [ 3096.129528][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3096.129528][ T74] netdev_get_by_index+0x5e/0x80 [ 3096.129528][ T74] fib6_nh_init+0x3d8/0x1580 [ 3096.129528][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3096.129528][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3096.129528][ T74] ipv6_add_addr+0x411/0x2000 [ 3096.129528][ T74] inet6_addr_add+0x30e/0xa40 [ 3096.129528][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3096.129528][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3096.129528][ T74] netlink_rcv_skb+0x130/0x360 [ 3096.129528][ T74] netlink_unicast+0x449/0x710 [ 3096.129528][ T74] netlink_sendmsg+0x723/0xbe0 [ 3096.129528][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3096.129528][ T74] ___sys_sendmsg+0xee/0x170 [ 3096.129528][ T74] __sys_sendmsg+0xcd/0x170 [ 3096.129528][ T74] do_syscall_64+0xc6/0x1e0 [ 3096.129528][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3096.129528][ T74] [ 3096.132656][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3096.132656][ T74] netdev_get_by_index+0x5e/0x80 [ 3096.132656][ T74] fib6_nh_init+0x3d8/0x1580 [ 3096.132656][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3096.132656][ T74] ip6_route_add+0x1c/0x140 [ 3096.132656][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3096.132656][ T74] addrconf_add_dev+0xe2/0x170 [ 3096.132656][ T74] inet6_addr_add+0x12f/0xa40 [ 3096.132656][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3096.132656][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3096.132656][ T74] netlink_rcv_skb+0x130/0x360 [ 3096.132656][ T74] netlink_unicast+0x449/0x710 [ 3096.132656][ T74] netlink_sendmsg+0x723/0xbe0 [ 3096.132656][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3096.132656][ T74] ___sys_sendmsg+0xee/0x170 [ 3096.132656][ T74] __sys_sendmsg+0xcd/0x170 [ 3096.132656][ T74] do_syscall_64+0xc6/0x1e0 [ 3096.132656][ T74] [ 3096.135734][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3096.135734][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3096.135734][ T74] ipv6_find_idev+0x102/0x170 [ 3096.135734][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3096.135734][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3096.135734][ T74] netlink_rcv_skb+0x130/0x360 [ 3096.135734][ T74] netlink_unicast+0x449/0x710 [ 3096.135734][ T74] netlink_sendmsg+0x723/0xbe0 [ 3096.135734][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3096.135734][ T74] ___sys_sendmsg+0xee/0x170 [ 3096.135734][ T74] __sys_sendmsg+0xcd/0x170 [ 3096.135734][ T74] do_syscall_64+0xc6/0x1e0 [ 3096.135734][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3096.135734][ T74] [ 3096.138138][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3096.138138][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3096.138138][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3096.138138][ T74] ipv6_find_idev+0x102/0x170 [ 3096.138138][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3096.138138][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3096.138138][ T74] netlink_rcv_skb+0x130/0x360 [ 3096.138138][ T74] netlink_unicast+0x449/0x710 [ 3096.138138][ T74] netlink_sendmsg+0x723/0xbe0 [ 3096.138138][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3096.138138][ T74] ___sys_sendmsg+0xee/0x170 [ 3096.138138][ T74] __sys_sendmsg+0xcd/0x170 [ 3096.138138][ T74] do_syscall_64+0xc6/0x1e0 [ 3096.138138][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3096.138138][ T74] [ 3096.140780][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3096.141212][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3096.141212][ T74] dst_init+0x84/0x4a0 [ 3096.141212][ T74] dst_alloc+0x97/0x150 [ 3096.141212][ T74] ip6_dst_alloc+0x23/0x90 [ 3096.141212][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3096.141212][ T74] ip6_pol_route+0x56f/0x840 [ 3096.141212][ T74] fib6_rule_lookup+0x456/0x630 [ 3096.141212][ T74] ip6_route_input+0x59c/0xa50 [ 3096.141212][ T74] ipv6_rcv+0x397/0x810 [ 3096.141212][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3096.141212][ T74] process_backlog+0x101/0x620 [ 3096.141212][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3096.141212][ T74] net_rx_action+0x495/0xbe0 [ 3096.141212][ T74] __do_softirq+0x1b5/0x7f6 [ 3096.141212][ T74] [ 3096.143776][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3096.143776][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3096.143776][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3096.143776][ T74] fib6_nh_init+0xa22/0x1580 [ 3096.143776][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3096.143776][ T74] ip6_route_add+0x1c/0x140 [ 3096.143776][ T74] inet6_rtm_newroute+0x104/0x110 [ 3096.143776][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3096.143776][ T74] netlink_rcv_skb+0x130/0x360 [ 3096.143776][ T74] netlink_unicast+0x449/0x710 [ 3096.143776][ T74] netlink_sendmsg+0x723/0xbe0 [ 3096.143776][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3096.143776][ T74] ___sys_sendmsg+0xee/0x170 [ 3096.143776][ T74] __sys_sendmsg+0xcd/0x170 [ 3096.143776][ T74] do_syscall_64+0xc6/0x1e0 [ 3096.143776][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3096.143776][ T74] [ 3096.146725][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3096.146725][ T74] netdev_get_by_index+0x5e/0x80 [ 3096.146725][ T74] fib6_nh_init+0x3d8/0x1580 [ 3096.146725][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3096.146725][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3096.146725][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3096.146725][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3096.146725][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3096.146725][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3096.146725][ T74] addrconf_dad_begin+0x310/0x670 [ 3096.146725][ T74] addrconf_dad_work+0x10b/0xab0 [ 3096.146725][ T74] process_one_work+0x84d/0x18a0 [ 3096.146725][ T74] worker_thread+0x587/0xd30 [ 3096.146725][ T74] kthread+0x28a/0x350 [ 3096.146725][ T74] ret_from_fork+0x31/0x70 [ 3096.146725][ T74] ret_from_fork_asm+0x1a/0x30 [ 3096.146725][ T74] [ 3096.149733][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3096.149733][ T74] netdev_get_by_index+0x5e/0x80 [ 3096.149733][ T74] fib6_nh_init+0x3d8/0x1580 [ 3096.149733][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3096.149733][ T74] ip6_route_add+0x1c/0x140 [ 3096.149733][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3096.149733][ T74] inet6_addr_add+0x4f8/0xa40 [ 3096.149733][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3096.149733][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3096.149733][ T74] netlink_rcv_skb+0x130/0x360 [ 3096.149733][ T74] netlink_unicast+0x449/0x710 [ 3096.149733][ T74] netlink_sendmsg+0x723/0xbe0 [ 3096.149733][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3096.149733][ T74] ___sys_sendmsg+0xee/0x170 [ 3096.149733][ T74] __sys_sendmsg+0xcd/0x170 [ 3096.149733][ T74] do_syscall_64+0xc6/0x1e0 [ 3096.149733][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3096.149733][ T74] [ 3096.152872][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3096.152872][ T74] netdev_get_by_index+0x5e/0x80 [ 3096.152872][ T74] fib6_nh_init+0x3d8/0x1580 [ 3096.152872][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3096.152872][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3096.152872][ T74] ipv6_add_addr+0x411/0x2000 [ 3096.152872][ T74] inet6_addr_add+0x30e/0xa40 [ 3096.152872][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3096.152872][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3096.152872][ T74] netlink_rcv_skb+0x130/0x360 [ 3096.152872][ T74] netlink_unicast+0x449/0x710 [ 3096.152872][ T74] netlink_sendmsg+0x723/0xbe0 [ 3096.152872][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3096.152872][ T74] ___sys_sendmsg+0xee/0x170 [ 3096.152872][ T74] __sys_sendmsg+0xcd/0x170 [ 3096.152872][ T74] do_syscall_64+0xc6/0x1e0 [ 3096.152872][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3096.152872][ T74] [ 3096.156006][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3096.156006][ T74] netdev_get_by_index+0x5e/0x80 [ 3096.156006][ T74] fib6_nh_init+0x3d8/0x1580 [ 3096.156006][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3096.156006][ T74] ip6_route_add+0x1c/0x140 [ 3096.156006][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3096.156006][ T74] addrconf_add_dev+0xe2/0x170 [ 3096.156006][ T74] inet6_addr_add+0x12f/0xa40 [ 3096.156006][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3096.156006][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3096.156006][ T74] netlink_rcv_skb+0x130/0x360 [ 3096.156006][ T74] netlink_unicast+0x449/0x710 [ 3096.156006][ T74] netlink_sendmsg+0x723/0xbe0 [ 3096.156006][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3096.156006][ T74] ___sys_sendmsg+0xee/0x170 [ 3096.156006][ T74] __sys_sendmsg+0xcd/0x170 [ 3096.156006][ T74] do_syscall_64+0xc6/0x1e0 [ 3096.156006][ T74] [ 3096.159086][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3096.159086][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3096.159086][ T74] ipv6_find_idev+0x102/0x170 [ 3096.159086][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3096.159086][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3096.159086][ T74] netlink_rcv_skb+0x130/0x360 [ 3096.159086][ T74] netlink_unicast+0x449/0x710 [ 3096.159086][ T74] netlink_sendmsg+0x723/0xbe0 [ 3096.159086][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3096.159086][ T74] ___sys_sendmsg+0xee/0x170 [ 3096.159086][ T74] __sys_sendmsg+0xcd/0x170 [ 3096.159086][ T74] do_syscall_64+0xc6/0x1e0 [ 3096.159086][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3096.159086][ T74] [ 3096.161711][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3096.161711][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3096.161711][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3096.161711][ T74] ipv6_find_idev+0x102/0x170 [ 3096.161711][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3096.161711][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3096.161711][ T74] netlink_rcv_skb+0x130/0x360 [ 3096.161711][ T74] netlink_unicast+0x449/0x710 [ 3096.161711][ T74] netlink_sendmsg+0x723/0xbe0 [ 3096.161711][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3096.161711][ T74] ___sys_sendmsg+0xee/0x170 [ 3096.161711][ T74] __sys_sendmsg+0xcd/0x170 [ 3096.161711][ T74] do_syscall_64+0xc6/0x1e0 [ 3096.161711][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3096.161711][ T74] [ 3096.164464][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3096.164832][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3096.164832][ T74] netdev_get_by_index+0x5e/0x80 [ 3096.164832][ T74] fib6_nh_init+0x3d8/0x1580 [ 3096.164832][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3096.164832][ T74] ip6_route_add+0x1c/0x140 [ 3096.164832][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3096.164832][ T74] inet6_addr_add+0x4f8/0xa40 [ 3096.164832][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3096.164832][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3096.164832][ T74] netlink_rcv_skb+0x130/0x360 [ 3096.164832][ T74] netlink_unicast+0x449/0x710 [ 3096.164832][ T74] netlink_sendmsg+0x723/0xbe0 [ 3096.164832][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3096.164832][ T74] ___sys_sendmsg+0xee/0x170 [ 3096.164832][ T74] __sys_sendmsg+0xcd/0x170 [ 3096.164832][ T74] do_syscall_64+0xc6/0x1e0 [ 3096.164832][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3096.164832][ T74] [ 3096.168186][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3096.168186][ T74] netdev_get_by_index+0x5e/0x80 [ 3096.168186][ T74] fib6_nh_init+0x3d8/0x1580 [ 3096.168186][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3096.168186][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3096.168186][ T74] ipv6_add_addr+0x411/0x2000 [ 3096.168186][ T74] inet6_addr_add+0x30e/0xa40 [ 3096.168186][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3096.168186][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3096.168186][ T74] netlink_rcv_skb+0x130/0x360 [ 3096.168186][ T74] netlink_unicast+0x449/0x710 [ 3096.168186][ T74] netlink_sendmsg+0x723/0xbe0 [ 3096.168186][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3096.168186][ T74] ___sys_sendmsg+0xee/0x170 [ 3096.168186][ T74] __sys_sendmsg+0xcd/0x170 [ 3096.168186][ T74] do_syscall_64+0xc6/0x1e0 [ 3096.168186][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3096.168186][ T74] [ 3096.171550][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3096.171550][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3096.171550][ T74] ipv6_find_idev+0x102/0x170 [ 3096.171550][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3096.171550][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3096.171550][ T74] netlink_rcv_skb+0x130/0x360 [ 3096.171550][ T74] netlink_unicast+0x449/0x710 [ 3096.171550][ T74] netlink_sendmsg+0x723/0xbe0 [ 3096.171550][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3096.171550][ T74] ___sys_sendmsg+0xee/0x170 [ 3096.171550][ T74] __sys_sendmsg+0xcd/0x170 [ 3096.171550][ T74] do_syscall_64+0xc6/0x1e0 [ 3096.171550][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3096.171550][ T74] [ 3096.174084][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3096.174084][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3096.174084][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3096.174084][ T74] ipv6_find_idev+0x102/0x170 [ 3096.174084][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3096.174084][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3096.174084][ T74] netlink_rcv_skb+0x130/0x360 [ 3096.174084][ T74] netlink_unicast+0x449/0x710 [ 3096.174084][ T74] netlink_sendmsg+0x723/0xbe0 [ 3096.174084][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3096.174084][ T74] ___sys_sendmsg+0xee/0x170 [ 3096.174084][ T74] __sys_sendmsg+0xcd/0x170 [ 3096.174084][ T74] do_syscall_64+0xc6/0x1e0 [ 3096.174084][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3096.174084][ T74] [ 3106.191902][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3106.192397][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3106.192397][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3106.192397][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3106.192397][ T74] fib6_nh_init+0xa22/0x1580 [ 3106.192397][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3106.192397][ T74] ip6_route_add+0x1c/0x140 [ 3106.192397][ T74] inet6_rtm_newroute+0x104/0x110 [ 3106.192397][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3106.192397][ T74] netlink_rcv_skb+0x130/0x360 [ 3106.192397][ T74] netlink_unicast+0x449/0x710 [ 3106.192397][ T74] netlink_sendmsg+0x723/0xbe0 [ 3106.192397][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3106.192397][ T74] ___sys_sendmsg+0xee/0x170 [ 3106.192397][ T74] __sys_sendmsg+0xcd/0x170 [ 3106.192397][ T74] do_syscall_64+0xc6/0x1e0 [ 3106.192397][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3106.192397][ T74] [ 3106.195364][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3106.195364][ T74] netdev_get_by_index+0x5e/0x80 [ 3106.195364][ T74] fib6_nh_init+0x3d8/0x1580 [ 3106.195364][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3106.195364][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3106.195364][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3106.195364][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3106.195364][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3106.195364][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3106.195364][ T74] addrconf_dad_begin+0x310/0x670 [ 3106.195364][ T74] addrconf_dad_work+0x10b/0xab0 [ 3106.195364][ T74] process_one_work+0x84d/0x18a0 [ 3106.195364][ T74] worker_thread+0x587/0xd30 [ 3106.195364][ T74] kthread+0x28a/0x350 [ 3106.195364][ T74] ret_from_fork+0x31/0x70 [ 3106.195364][ T74] ret_from_fork_asm+0x1a/0x30 [ 3106.195364][ T74] [ 3106.198365][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3106.198365][ T74] netdev_get_by_index+0x5e/0x80 [ 3106.198365][ T74] fib6_nh_init+0x3d8/0x1580 [ 3106.198365][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3106.198365][ T74] ip6_route_add+0x1c/0x140 [ 3106.198365][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3106.198365][ T74] inet6_addr_add+0x4f8/0xa40 [ 3106.198365][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3106.198365][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3106.198365][ T74] netlink_rcv_skb+0x130/0x360 [ 3106.198365][ T74] netlink_unicast+0x449/0x710 [ 3106.198365][ T74] netlink_sendmsg+0x723/0xbe0 [ 3106.198365][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3106.198365][ T74] ___sys_sendmsg+0xee/0x170 [ 3106.198365][ T74] __sys_sendmsg+0xcd/0x170 [ 3106.198365][ T74] do_syscall_64+0xc6/0x1e0 [ 3106.198365][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3106.198365][ T74] [ 3106.201490][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3106.201490][ T74] netdev_get_by_index+0x5e/0x80 [ 3106.201490][ T74] fib6_nh_init+0x3d8/0x1580 [ 3106.201490][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3106.201490][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3106.201490][ T74] ipv6_add_addr+0x411/0x2000 [ 3106.201490][ T74] inet6_addr_add+0x30e/0xa40 [ 3106.201490][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3106.201490][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3106.201490][ T74] netlink_rcv_skb+0x130/0x360 [ 3106.201490][ T74] netlink_unicast+0x449/0x710 [ 3106.201490][ T74] netlink_sendmsg+0x723/0xbe0 [ 3106.201490][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3106.201490][ T74] ___sys_sendmsg+0xee/0x170 [ 3106.201490][ T74] __sys_sendmsg+0xcd/0x170 [ 3106.201490][ T74] do_syscall_64+0xc6/0x1e0 [ 3106.201490][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3106.201490][ T74] [ 3106.204626][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3106.204626][ T74] netdev_get_by_index+0x5e/0x80 [ 3106.204626][ T74] fib6_nh_init+0x3d8/0x1580 [ 3106.204626][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3106.204626][ T74] ip6_route_add+0x1c/0x140 [ 3106.204626][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3106.204626][ T74] addrconf_add_dev+0xe2/0x170 [ 3106.204626][ T74] inet6_addr_add+0x12f/0xa40 [ 3106.204626][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3106.204626][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3106.204626][ T74] netlink_rcv_skb+0x130/0x360 [ 3106.204626][ T74] netlink_unicast+0x449/0x710 [ 3106.204626][ T74] netlink_sendmsg+0x723/0xbe0 [ 3106.204626][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3106.204626][ T74] ___sys_sendmsg+0xee/0x170 [ 3106.204626][ T74] __sys_sendmsg+0xcd/0x170 [ 3106.204626][ T74] do_syscall_64+0xc6/0x1e0 [ 3106.204626][ T74] [ 3106.207703][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3106.207703][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3106.207703][ T74] ipv6_find_idev+0x102/0x170 [ 3106.207703][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3106.207703][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3106.207703][ T74] netlink_rcv_skb+0x130/0x360 [ 3106.207703][ T74] netlink_unicast+0x449/0x710 [ 3106.207703][ T74] netlink_sendmsg+0x723/0xbe0 [ 3106.207703][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3106.207703][ T74] ___sys_sendmsg+0xee/0x170 [ 3106.207703][ T74] __sys_sendmsg+0xcd/0x170 [ 3106.207703][ T74] do_syscall_64+0xc6/0x1e0 [ 3106.207703][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3106.207703][ T74] [ 3106.210109][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3106.210109][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3106.210109][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3106.210109][ T74] ipv6_find_idev+0x102/0x170 [ 3106.210109][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3106.210109][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3106.210109][ T74] netlink_rcv_skb+0x130/0x360 [ 3106.210109][ T74] netlink_unicast+0x449/0x710 [ 3106.210109][ T74] netlink_sendmsg+0x723/0xbe0 [ 3106.210109][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3106.210109][ T74] ___sys_sendmsg+0xee/0x170 [ 3106.210109][ T74] __sys_sendmsg+0xcd/0x170 [ 3106.210109][ T74] do_syscall_64+0xc6/0x1e0 [ 3106.210109][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3106.210109][ T74] [ 3106.212765][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3106.213202][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3106.213202][ T74] dst_init+0x84/0x4a0 [ 3106.213202][ T74] dst_alloc+0x97/0x150 [ 3106.213202][ T74] ip6_dst_alloc+0x23/0x90 [ 3106.213202][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3106.213202][ T74] ip6_pol_route+0x56f/0x840 [ 3106.213202][ T74] fib6_rule_lookup+0x456/0x630 [ 3106.213202][ T74] ip6_route_input+0x59c/0xa50 [ 3106.213202][ T74] ipv6_rcv+0x397/0x810 [ 3106.213202][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3106.213202][ T74] process_backlog+0x101/0x620 [ 3106.213202][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3106.213202][ T74] net_rx_action+0x495/0xbe0 [ 3106.213202][ T74] __do_softirq+0x1b5/0x7f6 [ 3106.213202][ T74] [ 3106.215760][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3106.215760][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3106.215760][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3106.215760][ T74] fib6_nh_init+0xa22/0x1580 [ 3106.215760][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3106.215760][ T74] ip6_route_add+0x1c/0x140 [ 3106.215760][ T74] inet6_rtm_newroute+0x104/0x110 [ 3106.215760][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3106.215760][ T74] netlink_rcv_skb+0x130/0x360 [ 3106.215760][ T74] netlink_unicast+0x449/0x710 [ 3106.215760][ T74] netlink_sendmsg+0x723/0xbe0 [ 3106.215760][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3106.215760][ T74] ___sys_sendmsg+0xee/0x170 [ 3106.215760][ T74] __sys_sendmsg+0xcd/0x170 [ 3106.215760][ T74] do_syscall_64+0xc6/0x1e0 [ 3106.215760][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3106.215760][ T74] [ 3106.218704][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3106.218704][ T74] netdev_get_by_index+0x5e/0x80 [ 3106.218704][ T74] fib6_nh_init+0x3d8/0x1580 [ 3106.218704][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3106.218704][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3106.218704][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3106.218704][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3106.218704][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3106.218704][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3106.218704][ T74] addrconf_dad_begin+0x310/0x670 [ 3106.218704][ T74] addrconf_dad_work+0x10b/0xab0 [ 3106.218704][ T74] process_one_work+0x84d/0x18a0 [ 3106.218704][ T74] worker_thread+0x587/0xd30 [ 3106.218704][ T74] kthread+0x28a/0x350 [ 3106.218704][ T74] ret_from_fork+0x31/0x70 [ 3106.218704][ T74] ret_from_fork_asm+0x1a/0x30 [ 3106.218704][ T74] [ 3106.221687][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3106.221687][ T74] netdev_get_by_index+0x5e/0x80 [ 3106.221687][ T74] fib6_nh_init+0x3d8/0x1580 [ 3106.221687][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3106.221687][ T74] ip6_route_add+0x1c/0x140 [ 3106.221687][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3106.221687][ T74] inet6_addr_add+0x4f8/0xa40 [ 3106.221687][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3106.221687][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3106.221687][ T74] netlink_rcv_skb+0x130/0x360 [ 3106.221687][ T74] netlink_unicast+0x449/0x710 [ 3106.221687][ T74] netlink_sendmsg+0x723/0xbe0 [ 3106.221687][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3106.221687][ T74] ___sys_sendmsg+0xee/0x170 [ 3106.221687][ T74] __sys_sendmsg+0xcd/0x170 [ 3106.221687][ T74] do_syscall_64+0xc6/0x1e0 [ 3106.221687][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3106.221687][ T74] [ 3106.224821][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3106.224821][ T74] netdev_get_by_index+0x5e/0x80 [ 3106.224821][ T74] fib6_nh_init+0x3d8/0x1580 [ 3106.224821][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3106.224821][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3106.224821][ T74] ipv6_add_addr+0x411/0x2000 [ 3106.224821][ T74] inet6_addr_add+0x30e/0xa40 [ 3106.224821][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3106.224821][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3106.224821][ T74] netlink_rcv_skb+0x130/0x360 [ 3106.224821][ T74] netlink_unicast+0x449/0x710 [ 3106.224821][ T74] netlink_sendmsg+0x723/0xbe0 [ 3106.224821][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3106.224821][ T74] ___sys_sendmsg+0xee/0x170 [ 3106.224821][ T74] __sys_sendmsg+0xcd/0x170 [ 3106.224821][ T74] do_syscall_64+0xc6/0x1e0 [ 3106.224821][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3106.224821][ T74] [ 3106.227939][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3106.227939][ T74] netdev_get_by_index+0x5e/0x80 [ 3106.227939][ T74] fib6_nh_init+0x3d8/0x1580 [ 3106.227939][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3106.227939][ T74] ip6_route_add+0x1c/0x140 [ 3106.227939][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3106.227939][ T74] addrconf_add_dev+0xe2/0x170 [ 3106.227939][ T74] inet6_addr_add+0x12f/0xa40 [ 3106.227939][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3106.227939][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3106.227939][ T74] netlink_rcv_skb+0x130/0x360 [ 3106.227939][ T74] netlink_unicast+0x449/0x710 [ 3106.227939][ T74] netlink_sendmsg+0x723/0xbe0 [ 3106.227939][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3106.227939][ T74] ___sys_sendmsg+0xee/0x170 [ 3106.227939][ T74] __sys_sendmsg+0xcd/0x170 [ 3106.227939][ T74] do_syscall_64+0xc6/0x1e0 [ 3106.227939][ T74] [ 3106.231011][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3106.231011][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3106.231011][ T74] ipv6_find_idev+0x102/0x170 [ 3106.231011][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3106.231011][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3106.231011][ T74] netlink_rcv_skb+0x130/0x360 [ 3106.231011][ T74] netlink_unicast+0x449/0x710 [ 3106.231011][ T74] netlink_sendmsg+0x723/0xbe0 [ 3106.231011][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3106.231011][ T74] ___sys_sendmsg+0xee/0x170 [ 3106.231011][ T74] __sys_sendmsg+0xcd/0x170 [ 3106.231011][ T74] do_syscall_64+0xc6/0x1e0 [ 3106.231011][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3106.231011][ T74] [ 3106.233742][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3106.233742][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3106.233742][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3106.233742][ T74] ipv6_find_idev+0x102/0x170 [ 3106.233742][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3106.233742][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3106.233742][ T74] netlink_rcv_skb+0x130/0x360 [ 3106.233742][ T74] netlink_unicast+0x449/0x710 [ 3106.233742][ T74] netlink_sendmsg+0x723/0xbe0 [ 3106.233742][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3106.233742][ T74] ___sys_sendmsg+0xee/0x170 [ 3106.233742][ T74] __sys_sendmsg+0xcd/0x170 [ 3106.233742][ T74] do_syscall_64+0xc6/0x1e0 [ 3106.233742][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3106.233742][ T74] [ 3106.236832][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3106.237327][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3106.237327][ T74] netdev_get_by_index+0x5e/0x80 [ 3106.237327][ T74] fib6_nh_init+0x3d8/0x1580 [ 3106.237327][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3106.237327][ T74] ip6_route_add+0x1c/0x140 [ 3106.237327][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3106.237327][ T74] inet6_addr_add+0x4f8/0xa40 [ 3106.237327][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3106.237327][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3106.237327][ T74] netlink_rcv_skb+0x130/0x360 [ 3106.237327][ T74] netlink_unicast+0x449/0x710 [ 3106.237327][ T74] netlink_sendmsg+0x723/0xbe0 [ 3106.237327][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3106.237327][ T74] ___sys_sendmsg+0xee/0x170 [ 3106.237327][ T74] __sys_sendmsg+0xcd/0x170 [ 3106.237327][ T74] do_syscall_64+0xc6/0x1e0 [ 3106.237327][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3106.237327][ T74] [ 3106.240783][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3106.240783][ T74] netdev_get_by_index+0x5e/0x80 [ 3106.240783][ T74] fib6_nh_init+0x3d8/0x1580 [ 3106.240783][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3106.240783][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3106.240783][ T74] ipv6_add_addr+0x411/0x2000 [ 3106.240783][ T74] inet6_addr_add+0x30e/0xa40 [ 3106.240783][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3106.240783][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3106.240783][ T74] netlink_rcv_skb+0x130/0x360 [ 3106.240783][ T74] netlink_unicast+0x449/0x710 [ 3106.240783][ T74] netlink_sendmsg+0x723/0xbe0 [ 3106.240783][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3106.240783][ T74] ___sys_sendmsg+0xee/0x170 [ 3106.240783][ T74] __sys_sendmsg+0xcd/0x170 [ 3106.240783][ T74] do_syscall_64+0xc6/0x1e0 [ 3106.240783][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3106.240783][ T74] [ 3106.244350][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3106.244350][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3106.244350][ T74] ipv6_find_idev+0x102/0x170 [ 3106.244350][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3106.244350][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3106.244350][ T74] netlink_rcv_skb+0x130/0x360 [ 3106.244350][ T74] netlink_unicast+0x449/0x710 [ 3106.244350][ T74] netlink_sendmsg+0x723/0xbe0 [ 3106.244350][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3106.244350][ T74] ___sys_sendmsg+0xee/0x170 [ 3106.244350][ T74] __sys_sendmsg+0xcd/0x170 [ 3106.244350][ T74] do_syscall_64+0xc6/0x1e0 [ 3106.244350][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3106.244350][ T74] [ 3106.247084][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3106.247084][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3106.247084][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3106.247084][ T74] ipv6_find_idev+0x102/0x170 [ 3106.247084][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3106.247084][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3106.247084][ T74] netlink_rcv_skb+0x130/0x360 [ 3106.247084][ T74] netlink_unicast+0x449/0x710 [ 3106.247084][ T74] netlink_sendmsg+0x723/0xbe0 [ 3106.247084][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3106.247084][ T74] ___sys_sendmsg+0xee/0x170 [ 3106.247084][ T74] __sys_sendmsg+0xcd/0x170 [ 3106.247084][ T74] do_syscall_64+0xc6/0x1e0 [ 3106.247084][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3106.247084][ T74] [ 3116.487920][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3116.488427][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3116.488427][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3116.488427][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3116.488427][ T74] fib6_nh_init+0xa22/0x1580 [ 3116.488427][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3116.488427][ T74] ip6_route_add+0x1c/0x140 [ 3116.488427][ T74] inet6_rtm_newroute+0x104/0x110 [ 3116.488427][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3116.488427][ T74] netlink_rcv_skb+0x130/0x360 [ 3116.488427][ T74] netlink_unicast+0x449/0x710 [ 3116.488427][ T74] netlink_sendmsg+0x723/0xbe0 [ 3116.488427][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3116.488427][ T74] ___sys_sendmsg+0xee/0x170 [ 3116.488427][ T74] __sys_sendmsg+0xcd/0x170 [ 3116.488427][ T74] do_syscall_64+0xc6/0x1e0 [ 3116.488427][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3116.488427][ T74] [ 3116.491409][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3116.491409][ T74] netdev_get_by_index+0x5e/0x80 [ 3116.491409][ T74] fib6_nh_init+0x3d8/0x1580 [ 3116.491409][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3116.491409][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3116.491409][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3116.491409][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3116.491409][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3116.491409][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3116.491409][ T74] addrconf_dad_begin+0x310/0x670 [ 3116.491409][ T74] addrconf_dad_work+0x10b/0xab0 [ 3116.491409][ T74] process_one_work+0x84d/0x18a0 [ 3116.491409][ T74] worker_thread+0x587/0xd30 [ 3116.491409][ T74] kthread+0x28a/0x350 [ 3116.491409][ T74] ret_from_fork+0x31/0x70 [ 3116.491409][ T74] ret_from_fork_asm+0x1a/0x30 [ 3116.491409][ T74] [ 3116.494417][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3116.494417][ T74] netdev_get_by_index+0x5e/0x80 [ 3116.494417][ T74] fib6_nh_init+0x3d8/0x1580 [ 3116.494417][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3116.494417][ T74] ip6_route_add+0x1c/0x140 [ 3116.494417][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3116.494417][ T74] inet6_addr_add+0x4f8/0xa40 [ 3116.494417][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3116.494417][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3116.494417][ T74] netlink_rcv_skb+0x130/0x360 [ 3116.494417][ T74] netlink_unicast+0x449/0x710 [ 3116.494417][ T74] netlink_sendmsg+0x723/0xbe0 [ 3116.494417][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3116.494417][ T74] ___sys_sendmsg+0xee/0x170 [ 3116.494417][ T74] __sys_sendmsg+0xcd/0x170 [ 3116.494417][ T74] do_syscall_64+0xc6/0x1e0 [ 3116.494417][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3116.494417][ T74] [ 3116.497561][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3116.497561][ T74] netdev_get_by_index+0x5e/0x80 [ 3116.497561][ T74] fib6_nh_init+0x3d8/0x1580 [ 3116.497561][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3116.497561][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3116.497561][ T74] ipv6_add_addr+0x411/0x2000 [ 3116.497561][ T74] inet6_addr_add+0x30e/0xa40 [ 3116.497561][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3116.497561][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3116.497561][ T74] netlink_rcv_skb+0x130/0x360 [ 3116.497561][ T74] netlink_unicast+0x449/0x710 [ 3116.497561][ T74] netlink_sendmsg+0x723/0xbe0 [ 3116.497561][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3116.497561][ T74] ___sys_sendmsg+0xee/0x170 [ 3116.497561][ T74] __sys_sendmsg+0xcd/0x170 [ 3116.497561][ T74] do_syscall_64+0xc6/0x1e0 [ 3116.497561][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3116.497561][ T74] [ 3116.500697][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3116.500697][ T74] netdev_get_by_index+0x5e/0x80 [ 3116.500697][ T74] fib6_nh_init+0x3d8/0x1580 [ 3116.500697][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3116.500697][ T74] ip6_route_add+0x1c/0x140 [ 3116.500697][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3116.500697][ T74] addrconf_add_dev+0xe2/0x170 [ 3116.500697][ T74] inet6_addr_add+0x12f/0xa40 [ 3116.500697][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3116.500697][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3116.500697][ T74] netlink_rcv_skb+0x130/0x360 [ 3116.500697][ T74] netlink_unicast+0x449/0x710 [ 3116.500697][ T74] netlink_sendmsg+0x723/0xbe0 [ 3116.500697][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3116.500697][ T74] ___sys_sendmsg+0xee/0x170 [ 3116.500697][ T74] __sys_sendmsg+0xcd/0x170 [ 3116.500697][ T74] do_syscall_64+0xc6/0x1e0 [ 3116.500697][ T74] [ 3116.503786][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3116.503786][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3116.503786][ T74] ipv6_find_idev+0x102/0x170 [ 3116.503786][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3116.503786][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3116.503786][ T74] netlink_rcv_skb+0x130/0x360 [ 3116.503786][ T74] netlink_unicast+0x449/0x710 [ 3116.503786][ T74] netlink_sendmsg+0x723/0xbe0 [ 3116.503786][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3116.503786][ T74] ___sys_sendmsg+0xee/0x170 [ 3116.503786][ T74] __sys_sendmsg+0xcd/0x170 [ 3116.503786][ T74] do_syscall_64+0xc6/0x1e0 [ 3116.503786][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3116.503786][ T74] [ 3116.506213][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3116.506213][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3116.506213][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3116.506213][ T74] ipv6_find_idev+0x102/0x170 [ 3116.506213][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3116.506213][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3116.506213][ T74] netlink_rcv_skb+0x130/0x360 [ 3116.506213][ T74] netlink_unicast+0x449/0x710 [ 3116.506213][ T74] netlink_sendmsg+0x723/0xbe0 [ 3116.506213][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3116.506213][ T74] ___sys_sendmsg+0xee/0x170 [ 3116.506213][ T74] __sys_sendmsg+0xcd/0x170 [ 3116.506213][ T74] do_syscall_64+0xc6/0x1e0 [ 3116.506213][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3116.506213][ T74] [ 3116.508873][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3116.509297][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3116.509297][ T74] dst_init+0x84/0x4a0 [ 3116.509297][ T74] dst_alloc+0x97/0x150 [ 3116.509297][ T74] ip6_dst_alloc+0x23/0x90 [ 3116.509297][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3116.509297][ T74] ip6_pol_route+0x56f/0x840 [ 3116.509297][ T74] fib6_rule_lookup+0x456/0x630 [ 3116.509297][ T74] ip6_route_input+0x59c/0xa50 [ 3116.509297][ T74] ipv6_rcv+0x397/0x810 [ 3116.509297][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3116.509297][ T74] process_backlog+0x101/0x620 [ 3116.509297][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3116.509297][ T74] net_rx_action+0x495/0xbe0 [ 3116.509297][ T74] __do_softirq+0x1b5/0x7f6 [ 3116.509297][ T74] [ 3116.511872][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3116.511872][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3116.511872][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3116.511872][ T74] fib6_nh_init+0xa22/0x1580 [ 3116.511872][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3116.511872][ T74] ip6_route_add+0x1c/0x140 [ 3116.511872][ T74] inet6_rtm_newroute+0x104/0x110 [ 3116.511872][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3116.511872][ T74] netlink_rcv_skb+0x130/0x360 [ 3116.511872][ T74] netlink_unicast+0x449/0x710 [ 3116.511872][ T74] netlink_sendmsg+0x723/0xbe0 [ 3116.511872][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3116.511872][ T74] ___sys_sendmsg+0xee/0x170 [ 3116.511872][ T74] __sys_sendmsg+0xcd/0x170 [ 3116.511872][ T74] do_syscall_64+0xc6/0x1e0 [ 3116.511872][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3116.511872][ T74] [ 3116.514813][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3116.514813][ T74] netdev_get_by_index+0x5e/0x80 [ 3116.514813][ T74] fib6_nh_init+0x3d8/0x1580 [ 3116.514813][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3116.514813][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3116.514813][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3116.514813][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3116.514813][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3116.514813][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3116.514813][ T74] addrconf_dad_begin+0x310/0x670 [ 3116.514813][ T74] addrconf_dad_work+0x10b/0xab0 [ 3116.514813][ T74] process_one_work+0x84d/0x18a0 [ 3116.514813][ T74] worker_thread+0x587/0xd30 [ 3116.514813][ T74] kthread+0x28a/0x350 [ 3116.514813][ T74] ret_from_fork+0x31/0x70 [ 3116.514813][ T74] ret_from_fork_asm+0x1a/0x30 [ 3116.514813][ T74] [ 3116.517798][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3116.517798][ T74] netdev_get_by_index+0x5e/0x80 [ 3116.517798][ T74] fib6_nh_init+0x3d8/0x1580 [ 3116.517798][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3116.517798][ T74] ip6_route_add+0x1c/0x140 [ 3116.517798][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3116.517798][ T74] inet6_addr_add+0x4f8/0xa40 [ 3116.517798][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3116.517798][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3116.517798][ T74] netlink_rcv_skb+0x130/0x360 [ 3116.517798][ T74] netlink_unicast+0x449/0x710 [ 3116.517798][ T74] netlink_sendmsg+0x723/0xbe0 [ 3116.517798][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3116.517798][ T74] ___sys_sendmsg+0xee/0x170 [ 3116.517798][ T74] __sys_sendmsg+0xcd/0x170 [ 3116.517798][ T74] do_syscall_64+0xc6/0x1e0 [ 3116.517798][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3116.517798][ T74] [ 3116.520925][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3116.520925][ T74] netdev_get_by_index+0x5e/0x80 [ 3116.520925][ T74] fib6_nh_init+0x3d8/0x1580 [ 3116.520925][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3116.520925][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3116.520925][ T74] ipv6_add_addr+0x411/0x2000 [ 3116.520925][ T74] inet6_addr_add+0x30e/0xa40 [ 3116.520925][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3116.520925][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3116.520925][ T74] netlink_rcv_skb+0x130/0x360 [ 3116.520925][ T74] netlink_unicast+0x449/0x710 [ 3116.520925][ T74] netlink_sendmsg+0x723/0xbe0 [ 3116.520925][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3116.520925][ T74] ___sys_sendmsg+0xee/0x170 [ 3116.520925][ T74] __sys_sendmsg+0xcd/0x170 [ 3116.520925][ T74] do_syscall_64+0xc6/0x1e0 [ 3116.520925][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3116.520925][ T74] [ 3116.524053][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3116.524053][ T74] netdev_get_by_index+0x5e/0x80 [ 3116.524053][ T74] fib6_nh_init+0x3d8/0x1580 [ 3116.524053][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3116.524053][ T74] ip6_route_add+0x1c/0x140 [ 3116.524053][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3116.524053][ T74] addrconf_add_dev+0xe2/0x170 [ 3116.524053][ T74] inet6_addr_add+0x12f/0xa40 [ 3116.524053][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3116.524053][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3116.524053][ T74] netlink_rcv_skb+0x130/0x360 [ 3116.524053][ T74] netlink_unicast+0x449/0x710 [ 3116.524053][ T74] netlink_sendmsg+0x723/0xbe0 [ 3116.524053][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3116.524053][ T74] ___sys_sendmsg+0xee/0x170 [ 3116.524053][ T74] __sys_sendmsg+0xcd/0x170 [ 3116.524053][ T74] do_syscall_64+0xc6/0x1e0 [ 3116.524053][ T74] [ 3116.527120][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3116.527120][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3116.527120][ T74] ipv6_find_idev+0x102/0x170 [ 3116.527120][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3116.527120][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3116.527120][ T74] netlink_rcv_skb+0x130/0x360 [ 3116.527120][ T74] netlink_unicast+0x449/0x710 [ 3116.527120][ T74] netlink_sendmsg+0x723/0xbe0 [ 3116.527120][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3116.527120][ T74] ___sys_sendmsg+0xee/0x170 [ 3116.527120][ T74] __sys_sendmsg+0xcd/0x170 [ 3116.527120][ T74] do_syscall_64+0xc6/0x1e0 [ 3116.527120][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3116.527120][ T74] [ 3116.529772][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3116.529772][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3116.529772][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3116.529772][ T74] ipv6_find_idev+0x102/0x170 [ 3116.529772][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3116.529772][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3116.529772][ T74] netlink_rcv_skb+0x130/0x360 [ 3116.529772][ T74] netlink_unicast+0x449/0x710 [ 3116.529772][ T74] netlink_sendmsg+0x723/0xbe0 [ 3116.529772][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3116.529772][ T74] ___sys_sendmsg+0xee/0x170 [ 3116.529772][ T74] __sys_sendmsg+0xcd/0x170 [ 3116.529772][ T74] do_syscall_64+0xc6/0x1e0 [ 3116.529772][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3116.529772][ T74] [ 3116.532624][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3116.533006][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3116.533006][ T74] netdev_get_by_index+0x5e/0x80 [ 3116.533006][ T74] fib6_nh_init+0x3d8/0x1580 [ 3116.533006][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3116.533006][ T74] ip6_route_add+0x1c/0x140 [ 3116.533006][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3116.533006][ T74] inet6_addr_add+0x4f8/0xa40 [ 3116.533006][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3116.533006][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3116.533006][ T74] netlink_rcv_skb+0x130/0x360 [ 3116.533006][ T74] netlink_unicast+0x449/0x710 [ 3116.533006][ T74] netlink_sendmsg+0x723/0xbe0 [ 3116.533006][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3116.533006][ T74] ___sys_sendmsg+0xee/0x170 [ 3116.533006][ T74] __sys_sendmsg+0xcd/0x170 [ 3116.533006][ T74] do_syscall_64+0xc6/0x1e0 [ 3116.533006][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3116.533006][ T74] [ 3116.536253][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3116.536253][ T74] netdev_get_by_index+0x5e/0x80 [ 3116.536253][ T74] fib6_nh_init+0x3d8/0x1580 [ 3116.536253][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3116.536253][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3116.536253][ T74] ipv6_add_addr+0x411/0x2000 [ 3116.536253][ T74] inet6_addr_add+0x30e/0xa40 [ 3116.536253][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3116.536253][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3116.536253][ T74] netlink_rcv_skb+0x130/0x360 [ 3116.536253][ T74] netlink_unicast+0x449/0x710 [ 3116.536253][ T74] netlink_sendmsg+0x723/0xbe0 [ 3116.536253][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3116.536253][ T74] ___sys_sendmsg+0xee/0x170 [ 3116.536253][ T74] __sys_sendmsg+0xcd/0x170 [ 3116.536253][ T74] do_syscall_64+0xc6/0x1e0 [ 3116.536253][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3116.536253][ T74] [ 3116.539595][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3116.539595][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3116.539595][ T74] ipv6_find_idev+0x102/0x170 [ 3116.539595][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3116.539595][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3116.539595][ T74] netlink_rcv_skb+0x130/0x360 [ 3116.539595][ T74] netlink_unicast+0x449/0x710 [ 3116.539595][ T74] netlink_sendmsg+0x723/0xbe0 [ 3116.539595][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3116.539595][ T74] ___sys_sendmsg+0xee/0x170 [ 3116.539595][ T74] __sys_sendmsg+0xcd/0x170 [ 3116.539595][ T74] do_syscall_64+0xc6/0x1e0 [ 3116.539595][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3116.539595][ T74] [ 3116.543041][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3116.543041][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3116.543041][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3116.543041][ T74] ipv6_find_idev+0x102/0x170 [ 3116.543041][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3116.543041][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3116.543041][ T74] netlink_rcv_skb+0x130/0x360 [ 3116.543041][ T74] netlink_unicast+0x449/0x710 [ 3116.543041][ T74] netlink_sendmsg+0x723/0xbe0 [ 3116.543041][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3116.543041][ T74] ___sys_sendmsg+0xee/0x170 [ 3116.543041][ T74] __sys_sendmsg+0xcd/0x170 [ 3116.543041][ T74] do_syscall_64+0xc6/0x1e0 [ 3116.543041][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3116.543041][ T74] [ 3126.607959][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3126.608468][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3126.608468][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3126.608468][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3126.608468][ T74] fib6_nh_init+0xa22/0x1580 [ 3126.608468][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3126.608468][ T74] ip6_route_add+0x1c/0x140 [ 3126.608468][ T74] inet6_rtm_newroute+0x104/0x110 [ 3126.608468][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3126.608468][ T74] netlink_rcv_skb+0x130/0x360 [ 3126.608468][ T74] netlink_unicast+0x449/0x710 [ 3126.608468][ T74] netlink_sendmsg+0x723/0xbe0 [ 3126.608468][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3126.608468][ T74] ___sys_sendmsg+0xee/0x170 [ 3126.608468][ T74] __sys_sendmsg+0xcd/0x170 [ 3126.608468][ T74] do_syscall_64+0xc6/0x1e0 [ 3126.608468][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3126.608468][ T74] [ 3126.611427][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3126.611427][ T74] netdev_get_by_index+0x5e/0x80 [ 3126.611427][ T74] fib6_nh_init+0x3d8/0x1580 [ 3126.611427][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3126.611427][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3126.611427][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3126.611427][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3126.611427][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3126.611427][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3126.611427][ T74] addrconf_dad_begin+0x310/0x670 [ 3126.611427][ T74] addrconf_dad_work+0x10b/0xab0 [ 3126.611427][ T74] process_one_work+0x84d/0x18a0 [ 3126.611427][ T74] worker_thread+0x587/0xd30 [ 3126.611427][ T74] kthread+0x28a/0x350 [ 3126.611427][ T74] ret_from_fork+0x31/0x70 [ 3126.611427][ T74] ret_from_fork_asm+0x1a/0x30 [ 3126.611427][ T74] [ 3126.614417][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3126.614417][ T74] netdev_get_by_index+0x5e/0x80 [ 3126.614417][ T74] fib6_nh_init+0x3d8/0x1580 [ 3126.614417][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3126.614417][ T74] ip6_route_add+0x1c/0x140 [ 3126.614417][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3126.614417][ T74] inet6_addr_add+0x4f8/0xa40 [ 3126.614417][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3126.614417][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3126.614417][ T74] netlink_rcv_skb+0x130/0x360 [ 3126.614417][ T74] netlink_unicast+0x449/0x710 [ 3126.614417][ T74] netlink_sendmsg+0x723/0xbe0 [ 3126.614417][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3126.614417][ T74] ___sys_sendmsg+0xee/0x170 [ 3126.614417][ T74] __sys_sendmsg+0xcd/0x170 [ 3126.614417][ T74] do_syscall_64+0xc6/0x1e0 [ 3126.614417][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3126.614417][ T74] [ 3126.617538][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3126.617538][ T74] netdev_get_by_index+0x5e/0x80 [ 3126.617538][ T74] fib6_nh_init+0x3d8/0x1580 [ 3126.617538][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3126.617538][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3126.617538][ T74] ipv6_add_addr+0x411/0x2000 [ 3126.617538][ T74] inet6_addr_add+0x30e/0xa40 [ 3126.617538][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3126.617538][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3126.617538][ T74] netlink_rcv_skb+0x130/0x360 [ 3126.617538][ T74] netlink_unicast+0x449/0x710 [ 3126.617538][ T74] netlink_sendmsg+0x723/0xbe0 [ 3126.617538][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3126.617538][ T74] ___sys_sendmsg+0xee/0x170 [ 3126.617538][ T74] __sys_sendmsg+0xcd/0x170 [ 3126.617538][ T74] do_syscall_64+0xc6/0x1e0 [ 3126.617538][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3126.617538][ T74] [ 3126.620659][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3126.620659][ T74] netdev_get_by_index+0x5e/0x80 [ 3126.620659][ T74] fib6_nh_init+0x3d8/0x1580 [ 3126.620659][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3126.620659][ T74] ip6_route_add+0x1c/0x140 [ 3126.620659][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3126.620659][ T74] addrconf_add_dev+0xe2/0x170 [ 3126.620659][ T74] inet6_addr_add+0x12f/0xa40 [ 3126.620659][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3126.620659][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3126.620659][ T74] netlink_rcv_skb+0x130/0x360 [ 3126.620659][ T74] netlink_unicast+0x449/0x710 [ 3126.620659][ T74] netlink_sendmsg+0x723/0xbe0 [ 3126.620659][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3126.620659][ T74] ___sys_sendmsg+0xee/0x170 [ 3126.620659][ T74] __sys_sendmsg+0xcd/0x170 [ 3126.620659][ T74] do_syscall_64+0xc6/0x1e0 [ 3126.620659][ T74] [ 3126.623733][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3126.623733][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3126.623733][ T74] ipv6_find_idev+0x102/0x170 [ 3126.623733][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3126.623733][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3126.623733][ T74] netlink_rcv_skb+0x130/0x360 [ 3126.623733][ T74] netlink_unicast+0x449/0x710 [ 3126.623733][ T74] netlink_sendmsg+0x723/0xbe0 [ 3126.623733][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3126.623733][ T74] ___sys_sendmsg+0xee/0x170 [ 3126.623733][ T74] __sys_sendmsg+0xcd/0x170 [ 3126.623733][ T74] do_syscall_64+0xc6/0x1e0 [ 3126.623733][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3126.623733][ T74] [ 3126.626157][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3126.626157][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3126.626157][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3126.626157][ T74] ipv6_find_idev+0x102/0x170 [ 3126.626157][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3126.626157][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3126.626157][ T74] netlink_rcv_skb+0x130/0x360 [ 3126.626157][ T74] netlink_unicast+0x449/0x710 [ 3126.626157][ T74] netlink_sendmsg+0x723/0xbe0 [ 3126.626157][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3126.626157][ T74] ___sys_sendmsg+0xee/0x170 [ 3126.626157][ T74] __sys_sendmsg+0xcd/0x170 [ 3126.626157][ T74] do_syscall_64+0xc6/0x1e0 [ 3126.626157][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3126.626157][ T74] [ 3126.628834][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3126.629268][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3126.629268][ T74] dst_init+0x84/0x4a0 [ 3126.629268][ T74] dst_alloc+0x97/0x150 [ 3126.629268][ T74] ip6_dst_alloc+0x23/0x90 [ 3126.629268][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3126.629268][ T74] ip6_pol_route+0x56f/0x840 [ 3126.629268][ T74] fib6_rule_lookup+0x456/0x630 [ 3126.629268][ T74] ip6_route_input+0x59c/0xa50 [ 3126.629268][ T74] ipv6_rcv+0x397/0x810 [ 3126.629268][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3126.629268][ T74] process_backlog+0x101/0x620 [ 3126.629268][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3126.629268][ T74] net_rx_action+0x495/0xbe0 [ 3126.629268][ T74] __do_softirq+0x1b5/0x7f6 [ 3126.629268][ T74] [ 3126.632233][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3126.632233][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3126.632233][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3126.632233][ T74] fib6_nh_init+0xa22/0x1580 [ 3126.632233][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3126.632233][ T74] ip6_route_add+0x1c/0x140 [ 3126.632233][ T74] inet6_rtm_newroute+0x104/0x110 [ 3126.632233][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3126.632233][ T74] netlink_rcv_skb+0x130/0x360 [ 3126.632233][ T74] netlink_unicast+0x449/0x710 [ 3126.632233][ T74] netlink_sendmsg+0x723/0xbe0 [ 3126.632233][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3126.632233][ T74] ___sys_sendmsg+0xee/0x170 [ 3126.632233][ T74] __sys_sendmsg+0xcd/0x170 [ 3126.632233][ T74] do_syscall_64+0xc6/0x1e0 [ 3126.632233][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3126.632233][ T74] [ 3126.635184][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3126.635184][ T74] netdev_get_by_index+0x5e/0x80 [ 3126.635184][ T74] fib6_nh_init+0x3d8/0x1580 [ 3126.635184][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3126.635184][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3126.635184][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3126.635184][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3126.635184][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3126.635184][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3126.635184][ T74] addrconf_dad_begin+0x310/0x670 [ 3126.635184][ T74] addrconf_dad_work+0x10b/0xab0 [ 3126.635184][ T74] process_one_work+0x84d/0x18a0 [ 3126.635184][ T74] worker_thread+0x587/0xd30 [ 3126.635184][ T74] kthread+0x28a/0x350 [ 3126.635184][ T74] ret_from_fork+0x31/0x70 [ 3126.635184][ T74] ret_from_fork_asm+0x1a/0x30 [ 3126.635184][ T74] [ 3126.638171][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3126.638171][ T74] netdev_get_by_index+0x5e/0x80 [ 3126.638171][ T74] fib6_nh_init+0x3d8/0x1580 [ 3126.638171][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3126.638171][ T74] ip6_route_add+0x1c/0x140 [ 3126.638171][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3126.638171][ T74] inet6_addr_add+0x4f8/0xa40 [ 3126.638171][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3126.638171][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3126.638171][ T74] netlink_rcv_skb+0x130/0x360 [ 3126.638171][ T74] netlink_unicast+0x449/0x710 [ 3126.638171][ T74] netlink_sendmsg+0x723/0xbe0 [ 3126.638171][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3126.638171][ T74] ___sys_sendmsg+0xee/0x170 [ 3126.638171][ T74] __sys_sendmsg+0xcd/0x170 [ 3126.638171][ T74] do_syscall_64+0xc6/0x1e0 [ 3126.638171][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3126.638171][ T74] [ 3126.641300][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3126.641300][ T74] netdev_get_by_index+0x5e/0x80 [ 3126.641300][ T74] fib6_nh_init+0x3d8/0x1580 [ 3126.641300][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3126.641300][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3126.641300][ T74] ipv6_add_addr+0x411/0x2000 [ 3126.641300][ T74] inet6_addr_add+0x30e/0xa40 [ 3126.641300][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3126.641300][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3126.641300][ T74] netlink_rcv_skb+0x130/0x360 [ 3126.641300][ T74] netlink_unicast+0x449/0x710 [ 3126.641300][ T74] netlink_sendmsg+0x723/0xbe0 [ 3126.641300][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3126.641300][ T74] ___sys_sendmsg+0xee/0x170 [ 3126.641300][ T74] __sys_sendmsg+0xcd/0x170 [ 3126.641300][ T74] do_syscall_64+0xc6/0x1e0 [ 3126.641300][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3126.641300][ T74] [ 3126.644434][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3126.644434][ T74] netdev_get_by_index+0x5e/0x80 [ 3126.644434][ T74] fib6_nh_init+0x3d8/0x1580 [ 3126.644434][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3126.644434][ T74] ip6_route_add+0x1c/0x140 [ 3126.644434][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3126.644434][ T74] addrconf_add_dev+0xe2/0x170 [ 3126.644434][ T74] inet6_addr_add+0x12f/0xa40 [ 3126.644434][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3126.644434][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3126.644434][ T74] netlink_rcv_skb+0x130/0x360 [ 3126.644434][ T74] netlink_unicast+0x449/0x710 [ 3126.644434][ T74] netlink_sendmsg+0x723/0xbe0 [ 3126.644434][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3126.644434][ T74] ___sys_sendmsg+0xee/0x170 [ 3126.644434][ T74] __sys_sendmsg+0xcd/0x170 [ 3126.644434][ T74] do_syscall_64+0xc6/0x1e0 [ 3126.644434][ T74] [ 3126.647502][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3126.647502][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3126.647502][ T74] ipv6_find_idev+0x102/0x170 [ 3126.647502][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3126.647502][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3126.647502][ T74] netlink_rcv_skb+0x130/0x360 [ 3126.647502][ T74] netlink_unicast+0x449/0x710 [ 3126.647502][ T74] netlink_sendmsg+0x723/0xbe0 [ 3126.647502][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3126.647502][ T74] ___sys_sendmsg+0xee/0x170 [ 3126.647502][ T74] __sys_sendmsg+0xcd/0x170 [ 3126.647502][ T74] do_syscall_64+0xc6/0x1e0 [ 3126.647502][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3126.647502][ T74] [ 3126.650248][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3126.650248][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3126.650248][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3126.650248][ T74] ipv6_find_idev+0x102/0x170 [ 3126.650248][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3126.650248][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3126.650248][ T74] netlink_rcv_skb+0x130/0x360 [ 3126.650248][ T74] netlink_unicast+0x449/0x710 [ 3126.650248][ T74] netlink_sendmsg+0x723/0xbe0 [ 3126.650248][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3126.650248][ T74] ___sys_sendmsg+0xee/0x170 [ 3126.650248][ T74] __sys_sendmsg+0xcd/0x170 [ 3126.650248][ T74] do_syscall_64+0xc6/0x1e0 [ 3126.650248][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3126.650248][ T74] [ 3126.653226][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3126.653600][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3126.653600][ T74] netdev_get_by_index+0x5e/0x80 [ 3126.653600][ T74] fib6_nh_init+0x3d8/0x1580 [ 3126.653600][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3126.653600][ T74] ip6_route_add+0x1c/0x140 [ 3126.653600][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3126.653600][ T74] inet6_addr_add+0x4f8/0xa40 [ 3126.653600][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3126.653600][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3126.653600][ T74] netlink_rcv_skb+0x130/0x360 [ 3126.653600][ T74] netlink_unicast+0x449/0x710 [ 3126.653600][ T74] netlink_sendmsg+0x723/0xbe0 [ 3126.653600][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3126.653600][ T74] ___sys_sendmsg+0xee/0x170 [ 3126.653600][ T74] __sys_sendmsg+0xcd/0x170 [ 3126.653600][ T74] do_syscall_64+0xc6/0x1e0 [ 3126.653600][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3126.653600][ T74] [ 3126.657293][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3126.657293][ T74] netdev_get_by_index+0x5e/0x80 [ 3126.657293][ T74] fib6_nh_init+0x3d8/0x1580 [ 3126.657293][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3126.657293][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3126.657293][ T74] ipv6_add_addr+0x411/0x2000 [ 3126.657293][ T74] inet6_addr_add+0x30e/0xa40 [ 3126.657293][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3126.657293][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3126.657293][ T74] netlink_rcv_skb+0x130/0x360 [ 3126.657293][ T74] netlink_unicast+0x449/0x710 [ 3126.657293][ T74] netlink_sendmsg+0x723/0xbe0 [ 3126.657293][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3126.657293][ T74] ___sys_sendmsg+0xee/0x170 [ 3126.657293][ T74] __sys_sendmsg+0xcd/0x170 [ 3126.657293][ T74] do_syscall_64+0xc6/0x1e0 [ 3126.657293][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3126.657293][ T74] [ 3126.660850][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3126.660850][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3126.660850][ T74] ipv6_find_idev+0x102/0x170 [ 3126.660850][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3126.660850][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3126.660850][ T74] netlink_rcv_skb+0x130/0x360 [ 3126.660850][ T74] netlink_unicast+0x449/0x710 [ 3126.660850][ T74] netlink_sendmsg+0x723/0xbe0 [ 3126.660850][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3126.660850][ T74] ___sys_sendmsg+0xee/0x170 [ 3126.660850][ T74] __sys_sendmsg+0xcd/0x170 [ 3126.660850][ T74] do_syscall_64+0xc6/0x1e0 [ 3126.660850][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3126.660850][ T74] [ 3126.663588][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3126.663588][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3126.663588][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3126.663588][ T74] ipv6_find_idev+0x102/0x170 [ 3126.663588][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3126.663588][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3126.663588][ T74] netlink_rcv_skb+0x130/0x360 [ 3126.663588][ T74] netlink_unicast+0x449/0x710 [ 3126.663588][ T74] netlink_sendmsg+0x723/0xbe0 [ 3126.663588][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3126.663588][ T74] ___sys_sendmsg+0xee/0x170 [ 3126.663588][ T74] __sys_sendmsg+0xcd/0x170 [ 3126.663588][ T74] do_syscall_64+0xc6/0x1e0 [ 3126.663588][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3126.663588][ T74] [ 3136.863929][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3136.864367][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3136.864367][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3136.864367][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3136.864367][ T74] fib6_nh_init+0xa22/0x1580 [ 3136.864367][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3136.864367][ T74] ip6_route_add+0x1c/0x140 [ 3136.864367][ T74] inet6_rtm_newroute+0x104/0x110 [ 3136.864367][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3136.864367][ T74] netlink_rcv_skb+0x130/0x360 [ 3136.864367][ T74] netlink_unicast+0x449/0x710 [ 3136.864367][ T74] netlink_sendmsg+0x723/0xbe0 [ 3136.864367][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3136.864367][ T74] ___sys_sendmsg+0xee/0x170 [ 3136.864367][ T74] __sys_sendmsg+0xcd/0x170 [ 3136.864367][ T74] do_syscall_64+0xc6/0x1e0 [ 3136.864367][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3136.864367][ T74] [ 3136.866791][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3136.866791][ T74] netdev_get_by_index+0x5e/0x80 [ 3136.866791][ T74] fib6_nh_init+0x3d8/0x1580 [ 3136.866791][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3136.866791][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3136.866791][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3136.866791][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3136.866791][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3136.866791][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3136.866791][ T74] addrconf_dad_begin+0x310/0x670 [ 3136.866791][ T74] addrconf_dad_work+0x10b/0xab0 [ 3136.866791][ T74] process_one_work+0x84d/0x18a0 [ 3136.866791][ T74] worker_thread+0x587/0xd30 [ 3136.866791][ T74] kthread+0x28a/0x350 [ 3136.866791][ T74] ret_from_fork+0x31/0x70 [ 3136.866791][ T74] ret_from_fork_asm+0x1a/0x30 [ 3136.866791][ T74] [ 3136.868701][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3136.868701][ T74] netdev_get_by_index+0x5e/0x80 [ 3136.868701][ T74] fib6_nh_init+0x3d8/0x1580 [ 3136.868701][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3136.868701][ T74] ip6_route_add+0x1c/0x140 [ 3136.868701][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3136.868701][ T74] inet6_addr_add+0x4f8/0xa40 [ 3136.868701][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3136.868701][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3136.868701][ T74] netlink_rcv_skb+0x130/0x360 [ 3136.868701][ T74] netlink_unicast+0x449/0x710 [ 3136.868701][ T74] netlink_sendmsg+0x723/0xbe0 [ 3136.868701][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3136.868701][ T74] ___sys_sendmsg+0xee/0x170 [ 3136.868701][ T74] __sys_sendmsg+0xcd/0x170 [ 3136.868701][ T74] do_syscall_64+0xc6/0x1e0 [ 3136.868701][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3136.868701][ T74] [ 3136.870704][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3136.870704][ T74] netdev_get_by_index+0x5e/0x80 [ 3136.870704][ T74] fib6_nh_init+0x3d8/0x1580 [ 3136.870704][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3136.870704][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3136.870704][ T74] ipv6_add_addr+0x411/0x2000 [ 3136.870704][ T74] inet6_addr_add+0x30e/0xa40 [ 3136.870704][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3136.870704][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3136.870704][ T74] netlink_rcv_skb+0x130/0x360 [ 3136.870704][ T74] netlink_unicast+0x449/0x710 [ 3136.870704][ T74] netlink_sendmsg+0x723/0xbe0 [ 3136.870704][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3136.870704][ T74] ___sys_sendmsg+0xee/0x170 [ 3136.870704][ T74] __sys_sendmsg+0xcd/0x170 [ 3136.870704][ T74] do_syscall_64+0xc6/0x1e0 [ 3136.870704][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3136.870704][ T74] [ 3136.872703][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3136.872703][ T74] netdev_get_by_index+0x5e/0x80 [ 3136.872703][ T74] fib6_nh_init+0x3d8/0x1580 [ 3136.872703][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3136.872703][ T74] ip6_route_add+0x1c/0x140 [ 3136.872703][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3136.872703][ T74] addrconf_add_dev+0xe2/0x170 [ 3136.872703][ T74] inet6_addr_add+0x12f/0xa40 [ 3136.872703][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3136.872703][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3136.872703][ T74] netlink_rcv_skb+0x130/0x360 [ 3136.872703][ T74] netlink_unicast+0x449/0x710 [ 3136.872703][ T74] netlink_sendmsg+0x723/0xbe0 [ 3136.872703][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3136.872703][ T74] ___sys_sendmsg+0xee/0x170 [ 3136.872703][ T74] __sys_sendmsg+0xcd/0x170 [ 3136.872703][ T74] do_syscall_64+0xc6/0x1e0 [ 3136.872703][ T74] [ 3136.874676][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3136.874676][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3136.874676][ T74] ipv6_find_idev+0x102/0x170 [ 3136.874676][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3136.874676][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3136.874676][ T74] netlink_rcv_skb+0x130/0x360 [ 3136.874676][ T74] netlink_unicast+0x449/0x710 [ 3136.874676][ T74] netlink_sendmsg+0x723/0xbe0 [ 3136.874676][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3136.874676][ T74] ___sys_sendmsg+0xee/0x170 [ 3136.874676][ T74] __sys_sendmsg+0xcd/0x170 [ 3136.874676][ T74] do_syscall_64+0xc6/0x1e0 [ 3136.874676][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3136.874676][ T74] [ 3136.876346][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3136.876346][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3136.876346][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3136.876346][ T74] ipv6_find_idev+0x102/0x170 [ 3136.876346][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3136.876346][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3136.876346][ T74] netlink_rcv_skb+0x130/0x360 [ 3136.876346][ T74] netlink_unicast+0x449/0x710 [ 3136.876346][ T74] netlink_sendmsg+0x723/0xbe0 [ 3136.876346][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3136.876346][ T74] ___sys_sendmsg+0xee/0x170 [ 3136.876346][ T74] __sys_sendmsg+0xcd/0x170 [ 3136.876346][ T74] do_syscall_64+0xc6/0x1e0 [ 3136.876346][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3136.876346][ T74] [ 3136.878047][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3136.878319][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3136.878319][ T74] dst_init+0x84/0x4a0 [ 3136.878319][ T74] dst_alloc+0x97/0x150 [ 3136.878319][ T74] ip6_dst_alloc+0x23/0x90 [ 3136.878319][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3136.878319][ T74] ip6_pol_route+0x56f/0x840 [ 3136.878319][ T74] fib6_rule_lookup+0x456/0x630 [ 3136.878319][ T74] ip6_route_input+0x59c/0xa50 [ 3136.878319][ T74] ipv6_rcv+0x397/0x810 [ 3136.878319][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3136.878319][ T74] process_backlog+0x101/0x620 [ 3136.878319][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3136.878319][ T74] net_rx_action+0x495/0xbe0 [ 3136.878319][ T74] __do_softirq+0x1b5/0x7f6 [ 3136.878319][ T74] [ 3136.879957][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3136.879957][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3136.879957][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3136.879957][ T74] fib6_nh_init+0xa22/0x1580 [ 3136.879957][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3136.879957][ T74] ip6_route_add+0x1c/0x140 [ 3136.879957][ T74] inet6_rtm_newroute+0x104/0x110 [ 3136.879957][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3136.879957][ T74] netlink_rcv_skb+0x130/0x360 [ 3136.879957][ T74] netlink_unicast+0x449/0x710 [ 3136.879957][ T74] netlink_sendmsg+0x723/0xbe0 [ 3136.879957][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3136.879957][ T74] ___sys_sendmsg+0xee/0x170 [ 3136.879957][ T74] __sys_sendmsg+0xcd/0x170 [ 3136.879957][ T74] do_syscall_64+0xc6/0x1e0 [ 3136.879957][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3136.879957][ T74] [ 3136.882240][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3136.882240][ T74] netdev_get_by_index+0x5e/0x80 [ 3136.882240][ T74] fib6_nh_init+0x3d8/0x1580 [ 3136.882240][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3136.882240][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3136.882240][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3136.882240][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3136.882240][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3136.882240][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3136.882240][ T74] addrconf_dad_begin+0x310/0x670 [ 3136.882240][ T74] addrconf_dad_work+0x10b/0xab0 [ 3136.882240][ T74] process_one_work+0x84d/0x18a0 [ 3136.882240][ T74] worker_thread+0x587/0xd30 [ 3136.882240][ T74] kthread+0x28a/0x350 [ 3136.882240][ T74] ret_from_fork+0x31/0x70 [ 3136.882240][ T74] ret_from_fork_asm+0x1a/0x30 [ 3136.882240][ T74] [ 3136.884154][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3136.884154][ T74] netdev_get_by_index+0x5e/0x80 [ 3136.884154][ T74] fib6_nh_init+0x3d8/0x1580 [ 3136.884154][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3136.884154][ T74] ip6_route_add+0x1c/0x140 [ 3136.884154][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3136.884154][ T74] inet6_addr_add+0x4f8/0xa40 [ 3136.884154][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3136.884154][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3136.884154][ T74] netlink_rcv_skb+0x130/0x360 [ 3136.884154][ T74] netlink_unicast+0x449/0x710 [ 3136.884154][ T74] netlink_sendmsg+0x723/0xbe0 [ 3136.884154][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3136.884154][ T74] ___sys_sendmsg+0xee/0x170 [ 3136.884154][ T74] __sys_sendmsg+0xcd/0x170 [ 3136.884154][ T74] do_syscall_64+0xc6/0x1e0 [ 3136.884154][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3136.884154][ T74] [ 3136.886138][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3136.886138][ T74] netdev_get_by_index+0x5e/0x80 [ 3136.886138][ T74] fib6_nh_init+0x3d8/0x1580 [ 3136.886138][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3136.886138][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3136.886138][ T74] ipv6_add_addr+0x411/0x2000 [ 3136.886138][ T74] inet6_addr_add+0x30e/0xa40 [ 3136.886138][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3136.886138][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3136.886138][ T74] netlink_rcv_skb+0x130/0x360 [ 3136.886138][ T74] netlink_unicast+0x449/0x710 [ 3136.886138][ T74] netlink_sendmsg+0x723/0xbe0 [ 3136.886138][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3136.886138][ T74] ___sys_sendmsg+0xee/0x170 [ 3136.886138][ T74] __sys_sendmsg+0xcd/0x170 [ 3136.886138][ T74] do_syscall_64+0xc6/0x1e0 [ 3136.886138][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3136.886138][ T74] [ 3136.888126][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3136.888126][ T74] netdev_get_by_index+0x5e/0x80 [ 3136.888126][ T74] fib6_nh_init+0x3d8/0x1580 [ 3136.888126][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3136.888126][ T74] ip6_route_add+0x1c/0x140 [ 3136.888126][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3136.888126][ T74] addrconf_add_dev+0xe2/0x170 [ 3136.888126][ T74] inet6_addr_add+0x12f/0xa40 [ 3136.888126][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3136.888126][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3136.888126][ T74] netlink_rcv_skb+0x130/0x360 [ 3136.888126][ T74] netlink_unicast+0x449/0x710 [ 3136.888126][ T74] netlink_sendmsg+0x723/0xbe0 [ 3136.888126][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3136.888126][ T74] ___sys_sendmsg+0xee/0x170 [ 3136.888126][ T74] __sys_sendmsg+0xcd/0x170 [ 3136.888126][ T74] do_syscall_64+0xc6/0x1e0 [ 3136.888126][ T74] [ 3136.890074][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3136.890074][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3136.890074][ T74] ipv6_find_idev+0x102/0x170 [ 3136.890074][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3136.890074][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3136.890074][ T74] netlink_rcv_skb+0x130/0x360 [ 3136.890074][ T74] netlink_unicast+0x449/0x710 [ 3136.890074][ T74] netlink_sendmsg+0x723/0xbe0 [ 3136.890074][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3136.890074][ T74] ___sys_sendmsg+0xee/0x170 [ 3136.890074][ T74] __sys_sendmsg+0xcd/0x170 [ 3136.890074][ T74] do_syscall_64+0xc6/0x1e0 [ 3136.890074][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3136.890074][ T74] [ 3136.891784][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3136.891784][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3136.891784][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3136.891784][ T74] ipv6_find_idev+0x102/0x170 [ 3136.891784][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3136.891784][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3136.891784][ T74] netlink_rcv_skb+0x130/0x360 [ 3136.891784][ T74] netlink_unicast+0x449/0x710 [ 3136.891784][ T74] netlink_sendmsg+0x723/0xbe0 [ 3136.891784][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3136.891784][ T74] ___sys_sendmsg+0xee/0x170 [ 3136.891784][ T74] __sys_sendmsg+0xcd/0x170 [ 3136.891784][ T74] do_syscall_64+0xc6/0x1e0 [ 3136.891784][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3136.891784][ T74] [ 3136.893651][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3136.893916][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3136.893916][ T74] netdev_get_by_index+0x5e/0x80 [ 3136.893916][ T74] fib6_nh_init+0x3d8/0x1580 [ 3136.893916][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3136.893916][ T74] ip6_route_add+0x1c/0x140 [ 3136.893916][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3136.893916][ T74] inet6_addr_add+0x4f8/0xa40 [ 3136.893916][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3136.893916][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3136.893916][ T74] netlink_rcv_skb+0x130/0x360 [ 3136.893916][ T74] netlink_unicast+0x449/0x710 [ 3136.893916][ T74] netlink_sendmsg+0x723/0xbe0 [ 3136.893916][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3136.893916][ T74] ___sys_sendmsg+0xee/0x170 [ 3136.893916][ T74] __sys_sendmsg+0xcd/0x170 [ 3136.893916][ T74] do_syscall_64+0xc6/0x1e0 [ 3136.893916][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3136.893916][ T74] [ 3136.896157][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3136.896157][ T74] netdev_get_by_index+0x5e/0x80 [ 3136.896157][ T74] fib6_nh_init+0x3d8/0x1580 [ 3136.896157][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3136.896157][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3136.896157][ T74] ipv6_add_addr+0x411/0x2000 [ 3136.896157][ T74] inet6_addr_add+0x30e/0xa40 [ 3136.896157][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3136.896157][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3136.896157][ T74] netlink_rcv_skb+0x130/0x360 [ 3136.896157][ T74] netlink_unicast+0x449/0x710 [ 3136.896157][ T74] netlink_sendmsg+0x723/0xbe0 [ 3136.896157][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3136.896157][ T74] ___sys_sendmsg+0xee/0x170 [ 3136.896157][ T74] __sys_sendmsg+0xcd/0x170 [ 3136.896157][ T74] do_syscall_64+0xc6/0x1e0 [ 3136.896157][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3136.896157][ T74] [ 3136.898373][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3136.898373][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3136.898373][ T74] ipv6_find_idev+0x102/0x170 [ 3136.898373][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3136.898373][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3136.898373][ T74] netlink_rcv_skb+0x130/0x360 [ 3136.898373][ T74] netlink_unicast+0x449/0x710 [ 3136.898373][ T74] netlink_sendmsg+0x723/0xbe0 [ 3136.898373][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3136.898373][ T74] ___sys_sendmsg+0xee/0x170 [ 3136.898373][ T74] __sys_sendmsg+0xcd/0x170 [ 3136.898373][ T74] do_syscall_64+0xc6/0x1e0 [ 3136.898373][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3136.898373][ T74] [ 3136.900146][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3136.900146][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3136.900146][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3136.900146][ T74] ipv6_find_idev+0x102/0x170 [ 3136.900146][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3136.900146][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3136.900146][ T74] netlink_rcv_skb+0x130/0x360 [ 3136.900146][ T74] netlink_unicast+0x449/0x710 [ 3136.900146][ T74] netlink_sendmsg+0x723/0xbe0 [ 3136.900146][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3136.900146][ T74] ___sys_sendmsg+0xee/0x170 [ 3136.900146][ T74] __sys_sendmsg+0xcd/0x170 [ 3136.900146][ T74] do_syscall_64+0xc6/0x1e0 [ 3136.900146][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3136.900146][ T74] [ 3147.144001][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3147.144396][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3147.144396][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3147.144396][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3147.144396][ T74] fib6_nh_init+0xa22/0x1580 [ 3147.144396][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3147.144396][ T74] ip6_route_add+0x1c/0x140 [ 3147.144396][ T74] inet6_rtm_newroute+0x104/0x110 [ 3147.144396][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3147.144396][ T74] netlink_rcv_skb+0x130/0x360 [ 3147.144396][ T74] netlink_unicast+0x449/0x710 [ 3147.144396][ T74] netlink_sendmsg+0x723/0xbe0 [ 3147.144396][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3147.144396][ T74] ___sys_sendmsg+0xee/0x170 [ 3147.144396][ T74] __sys_sendmsg+0xcd/0x170 [ 3147.144396][ T74] do_syscall_64+0xc6/0x1e0 [ 3147.144396][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3147.144396][ T74] [ 3147.146467][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3147.146467][ T74] netdev_get_by_index+0x5e/0x80 [ 3147.146467][ T74] fib6_nh_init+0x3d8/0x1580 [ 3147.146467][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3147.146467][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3147.146467][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3147.146467][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3147.146467][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3147.146467][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3147.146467][ T74] addrconf_dad_begin+0x310/0x670 [ 3147.146467][ T74] addrconf_dad_work+0x10b/0xab0 [ 3147.146467][ T74] process_one_work+0x84d/0x18a0 [ 3147.146467][ T74] worker_thread+0x587/0xd30 [ 3147.146467][ T74] kthread+0x28a/0x350 [ 3147.146467][ T74] ret_from_fork+0x31/0x70 [ 3147.146467][ T74] ret_from_fork_asm+0x1a/0x30 [ 3147.146467][ T74] [ 3147.148536][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3147.148536][ T74] netdev_get_by_index+0x5e/0x80 [ 3147.148536][ T74] fib6_nh_init+0x3d8/0x1580 [ 3147.148536][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3147.148536][ T74] ip6_route_add+0x1c/0x140 [ 3147.148536][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3147.148536][ T74] inet6_addr_add+0x4f8/0xa40 [ 3147.148536][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3147.148536][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3147.148536][ T74] netlink_rcv_skb+0x130/0x360 [ 3147.148536][ T74] netlink_unicast+0x449/0x710 [ 3147.148536][ T74] netlink_sendmsg+0x723/0xbe0 [ 3147.148536][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3147.148536][ T74] ___sys_sendmsg+0xee/0x170 [ 3147.148536][ T74] __sys_sendmsg+0xcd/0x170 [ 3147.148536][ T74] do_syscall_64+0xc6/0x1e0 [ 3147.148536][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3147.148536][ T74] [ 3147.151081][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3147.151081][ T74] netdev_get_by_index+0x5e/0x80 [ 3147.151081][ T74] fib6_nh_init+0x3d8/0x1580 [ 3147.151081][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3147.151081][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3147.151081][ T74] ipv6_add_addr+0x411/0x2000 [ 3147.151081][ T74] inet6_addr_add+0x30e/0xa40 [ 3147.151081][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3147.151081][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3147.151081][ T74] netlink_rcv_skb+0x130/0x360 [ 3147.151081][ T74] netlink_unicast+0x449/0x710 [ 3147.151081][ T74] netlink_sendmsg+0x723/0xbe0 [ 3147.151081][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3147.151081][ T74] ___sys_sendmsg+0xee/0x170 [ 3147.151081][ T74] __sys_sendmsg+0xcd/0x170 [ 3147.151081][ T74] do_syscall_64+0xc6/0x1e0 [ 3147.151081][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3147.151081][ T74] [ 3147.153240][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3147.153240][ T74] netdev_get_by_index+0x5e/0x80 [ 3147.153240][ T74] fib6_nh_init+0x3d8/0x1580 [ 3147.153240][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3147.153240][ T74] ip6_route_add+0x1c/0x140 [ 3147.153240][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3147.153240][ T74] addrconf_add_dev+0xe2/0x170 [ 3147.153240][ T74] inet6_addr_add+0x12f/0xa40 [ 3147.153240][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3147.153240][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3147.153240][ T74] netlink_rcv_skb+0x130/0x360 [ 3147.153240][ T74] netlink_unicast+0x449/0x710 [ 3147.153240][ T74] netlink_sendmsg+0x723/0xbe0 [ 3147.153240][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3147.153240][ T74] ___sys_sendmsg+0xee/0x170 [ 3147.153240][ T74] __sys_sendmsg+0xcd/0x170 [ 3147.153240][ T74] do_syscall_64+0xc6/0x1e0 [ 3147.153240][ T74] [ 3147.155389][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3147.155389][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3147.155389][ T74] ipv6_find_idev+0x102/0x170 [ 3147.155389][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3147.155389][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3147.155389][ T74] netlink_rcv_skb+0x130/0x360 [ 3147.155389][ T74] netlink_unicast+0x449/0x710 [ 3147.155389][ T74] netlink_sendmsg+0x723/0xbe0 [ 3147.155389][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3147.155389][ T74] ___sys_sendmsg+0xee/0x170 [ 3147.155389][ T74] __sys_sendmsg+0xcd/0x170 [ 3147.155389][ T74] do_syscall_64+0xc6/0x1e0 [ 3147.155389][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3147.155389][ T74] [ 3147.157119][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3147.157119][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3147.157119][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3147.157119][ T74] ipv6_find_idev+0x102/0x170 [ 3147.157119][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3147.157119][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3147.157119][ T74] netlink_rcv_skb+0x130/0x360 [ 3147.157119][ T74] netlink_unicast+0x449/0x710 [ 3147.157119][ T74] netlink_sendmsg+0x723/0xbe0 [ 3147.157119][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3147.157119][ T74] ___sys_sendmsg+0xee/0x170 [ 3147.157119][ T74] __sys_sendmsg+0xcd/0x170 [ 3147.157119][ T74] do_syscall_64+0xc6/0x1e0 [ 3147.157119][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3147.157119][ T74] [ 3147.158810][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3147.159106][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3147.159106][ T74] dst_init+0x84/0x4a0 [ 3147.159106][ T74] dst_alloc+0x97/0x150 [ 3147.159106][ T74] ip6_dst_alloc+0x23/0x90 [ 3147.159106][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3147.159106][ T74] ip6_pol_route+0x56f/0x840 [ 3147.159106][ T74] fib6_rule_lookup+0x456/0x630 [ 3147.159106][ T74] ip6_route_input+0x59c/0xa50 [ 3147.159106][ T74] ipv6_rcv+0x397/0x810 [ 3147.159106][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3147.159106][ T74] process_backlog+0x101/0x620 [ 3147.159106][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3147.159106][ T74] net_rx_action+0x495/0xbe0 [ 3147.159106][ T74] __do_softirq+0x1b5/0x7f6 [ 3147.159106][ T74] [ 3147.160733][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3147.160733][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3147.160733][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3147.160733][ T74] fib6_nh_init+0xa22/0x1580 [ 3147.160733][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3147.160733][ T74] ip6_route_add+0x1c/0x140 [ 3147.160733][ T74] inet6_rtm_newroute+0x104/0x110 [ 3147.160733][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3147.160733][ T74] netlink_rcv_skb+0x130/0x360 [ 3147.160733][ T74] netlink_unicast+0x449/0x710 [ 3147.160733][ T74] netlink_sendmsg+0x723/0xbe0 [ 3147.160733][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3147.160733][ T74] ___sys_sendmsg+0xee/0x170 [ 3147.160733][ T74] __sys_sendmsg+0xcd/0x170 [ 3147.160733][ T74] do_syscall_64+0xc6/0x1e0 [ 3147.160733][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3147.160733][ T74] [ 3147.162600][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3147.162600][ T74] netdev_get_by_index+0x5e/0x80 [ 3147.162600][ T74] fib6_nh_init+0x3d8/0x1580 [ 3147.162600][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3147.162600][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3147.162600][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3147.162600][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3147.162600][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3147.162600][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3147.162600][ T74] addrconf_dad_begin+0x310/0x670 [ 3147.162600][ T74] addrconf_dad_work+0x10b/0xab0 [ 3147.162600][ T74] process_one_work+0x84d/0x18a0 [ 3147.162600][ T74] worker_thread+0x587/0xd30 [ 3147.162600][ T74] kthread+0x28a/0x350 [ 3147.162600][ T74] ret_from_fork+0x31/0x70 [ 3147.162600][ T74] ret_from_fork_asm+0x1a/0x30 [ 3147.162600][ T74] [ 3147.164509][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3147.164509][ T74] netdev_get_by_index+0x5e/0x80 [ 3147.164509][ T74] fib6_nh_init+0x3d8/0x1580 [ 3147.164509][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3147.164509][ T74] ip6_route_add+0x1c/0x140 [ 3147.164509][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3147.164509][ T74] inet6_addr_add+0x4f8/0xa40 [ 3147.164509][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3147.164509][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3147.164509][ T74] netlink_rcv_skb+0x130/0x360 [ 3147.164509][ T74] netlink_unicast+0x449/0x710 [ 3147.164509][ T74] netlink_sendmsg+0x723/0xbe0 [ 3147.164509][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3147.164509][ T74] ___sys_sendmsg+0xee/0x170 [ 3147.164509][ T74] __sys_sendmsg+0xcd/0x170 [ 3147.164509][ T74] do_syscall_64+0xc6/0x1e0 [ 3147.164509][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3147.164509][ T74] [ 3147.166495][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3147.166495][ T74] netdev_get_by_index+0x5e/0x80 [ 3147.166495][ T74] fib6_nh_init+0x3d8/0x1580 [ 3147.166495][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3147.166495][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3147.166495][ T74] ipv6_add_addr+0x411/0x2000 [ 3147.166495][ T74] inet6_addr_add+0x30e/0xa40 [ 3147.166495][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3147.166495][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3147.166495][ T74] netlink_rcv_skb+0x130/0x360 [ 3147.166495][ T74] netlink_unicast+0x449/0x710 [ 3147.166495][ T74] netlink_sendmsg+0x723/0xbe0 [ 3147.166495][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3147.166495][ T74] ___sys_sendmsg+0xee/0x170 [ 3147.166495][ T74] __sys_sendmsg+0xcd/0x170 [ 3147.166495][ T74] do_syscall_64+0xc6/0x1e0 [ 3147.166495][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3147.166495][ T74] [ 3147.168483][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3147.168483][ T74] netdev_get_by_index+0x5e/0x80 [ 3147.168483][ T74] fib6_nh_init+0x3d8/0x1580 [ 3147.168483][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3147.168483][ T74] ip6_route_add+0x1c/0x140 [ 3147.168483][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3147.168483][ T74] addrconf_add_dev+0xe2/0x170 [ 3147.168483][ T74] inet6_addr_add+0x12f/0xa40 [ 3147.168483][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3147.168483][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3147.168483][ T74] netlink_rcv_skb+0x130/0x360 [ 3147.168483][ T74] netlink_unicast+0x449/0x710 [ 3147.168483][ T74] netlink_sendmsg+0x723/0xbe0 [ 3147.168483][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3147.168483][ T74] ___sys_sendmsg+0xee/0x170 [ 3147.168483][ T74] __sys_sendmsg+0xcd/0x170 [ 3147.168483][ T74] do_syscall_64+0xc6/0x1e0 [ 3147.168483][ T74] [ 3147.170429][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3147.170429][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3147.170429][ T74] ipv6_find_idev+0x102/0x170 [ 3147.170429][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3147.170429][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3147.170429][ T74] netlink_rcv_skb+0x130/0x360 [ 3147.170429][ T74] netlink_unicast+0x449/0x710 [ 3147.170429][ T74] netlink_sendmsg+0x723/0xbe0 [ 3147.170429][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3147.170429][ T74] ___sys_sendmsg+0xee/0x170 [ 3147.170429][ T74] __sys_sendmsg+0xcd/0x170 [ 3147.170429][ T74] do_syscall_64+0xc6/0x1e0 [ 3147.170429][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3147.170429][ T74] [ 3147.172082][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3147.172082][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3147.172082][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3147.172082][ T74] ipv6_find_idev+0x102/0x170 [ 3147.172082][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3147.172082][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3147.172082][ T74] netlink_rcv_skb+0x130/0x360 [ 3147.172082][ T74] netlink_unicast+0x449/0x710 [ 3147.172082][ T74] netlink_sendmsg+0x723/0xbe0 [ 3147.172082][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3147.172082][ T74] ___sys_sendmsg+0xee/0x170 [ 3147.172082][ T74] __sys_sendmsg+0xcd/0x170 [ 3147.172082][ T74] do_syscall_64+0xc6/0x1e0 [ 3147.172082][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3147.172082][ T74] [ 3147.174025][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3147.174260][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3147.174260][ T74] netdev_get_by_index+0x5e/0x80 [ 3147.174260][ T74] fib6_nh_init+0x3d8/0x1580 [ 3147.174260][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3147.174260][ T74] ip6_route_add+0x1c/0x140 [ 3147.174260][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3147.174260][ T74] inet6_addr_add+0x4f8/0xa40 [ 3147.174260][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3147.174260][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3147.174260][ T74] netlink_rcv_skb+0x130/0x360 [ 3147.174260][ T74] netlink_unicast+0x449/0x710 [ 3147.174260][ T74] netlink_sendmsg+0x723/0xbe0 [ 3147.174260][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3147.174260][ T74] ___sys_sendmsg+0xee/0x170 [ 3147.174260][ T74] __sys_sendmsg+0xcd/0x170 [ 3147.174260][ T74] do_syscall_64+0xc6/0x1e0 [ 3147.174260][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3147.174260][ T74] [ 3147.176483][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3147.176483][ T74] netdev_get_by_index+0x5e/0x80 [ 3147.176483][ T74] fib6_nh_init+0x3d8/0x1580 [ 3147.176483][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3147.176483][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3147.176483][ T74] ipv6_add_addr+0x411/0x2000 [ 3147.176483][ T74] inet6_addr_add+0x30e/0xa40 [ 3147.176483][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3147.176483][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3147.176483][ T74] netlink_rcv_skb+0x130/0x360 [ 3147.176483][ T74] netlink_unicast+0x449/0x710 [ 3147.176483][ T74] netlink_sendmsg+0x723/0xbe0 [ 3147.176483][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3147.176483][ T74] ___sys_sendmsg+0xee/0x170 [ 3147.176483][ T74] __sys_sendmsg+0xcd/0x170 [ 3147.176483][ T74] do_syscall_64+0xc6/0x1e0 [ 3147.176483][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3147.176483][ T74] [ 3147.178702][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3147.178702][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3147.178702][ T74] ipv6_find_idev+0x102/0x170 [ 3147.178702][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3147.178702][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3147.178702][ T74] netlink_rcv_skb+0x130/0x360 [ 3147.178702][ T74] netlink_unicast+0x449/0x710 [ 3147.178702][ T74] netlink_sendmsg+0x723/0xbe0 [ 3147.178702][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3147.178702][ T74] ___sys_sendmsg+0xee/0x170 [ 3147.178702][ T74] __sys_sendmsg+0xcd/0x170 [ 3147.178702][ T74] do_syscall_64+0xc6/0x1e0 [ 3147.178702][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3147.178702][ T74] [ 3147.180407][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3147.180407][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3147.180407][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3147.180407][ T74] ipv6_find_idev+0x102/0x170 [ 3147.180407][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3147.180407][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3147.180407][ T74] netlink_rcv_skb+0x130/0x360 [ 3147.180407][ T74] netlink_unicast+0x449/0x710 [ 3147.180407][ T74] netlink_sendmsg+0x723/0xbe0 [ 3147.180407][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3147.180407][ T74] ___sys_sendmsg+0xee/0x170 [ 3147.180407][ T74] __sys_sendmsg+0xcd/0x170 [ 3147.180407][ T74] do_syscall_64+0xc6/0x1e0 [ 3147.180407][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3147.180407][ T74] [ 3157.327966][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3157.328481][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3157.328481][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3157.328481][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3157.328481][ T74] fib6_nh_init+0xa22/0x1580 [ 3157.328481][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3157.328481][ T74] ip6_route_add+0x1c/0x140 [ 3157.328481][ T74] inet6_rtm_newroute+0x104/0x110 [ 3157.328481][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3157.328481][ T74] netlink_rcv_skb+0x130/0x360 [ 3157.328481][ T74] netlink_unicast+0x449/0x710 [ 3157.328481][ T74] netlink_sendmsg+0x723/0xbe0 [ 3157.328481][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3157.328481][ T74] ___sys_sendmsg+0xee/0x170 [ 3157.328481][ T74] __sys_sendmsg+0xcd/0x170 [ 3157.328481][ T74] do_syscall_64+0xc6/0x1e0 [ 3157.328481][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3157.328481][ T74] [ 3157.331549][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3157.331549][ T74] netdev_get_by_index+0x5e/0x80 [ 3157.331549][ T74] fib6_nh_init+0x3d8/0x1580 [ 3157.331549][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3157.331549][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3157.331549][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3157.331549][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3157.331549][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3157.331549][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3157.331549][ T74] addrconf_dad_begin+0x310/0x670 [ 3157.331549][ T74] addrconf_dad_work+0x10b/0xab0 [ 3157.331549][ T74] process_one_work+0x84d/0x18a0 [ 3157.331549][ T74] worker_thread+0x587/0xd30 [ 3157.331549][ T74] kthread+0x28a/0x350 [ 3157.331549][ T74] ret_from_fork+0x31/0x70 [ 3157.331549][ T74] ret_from_fork_asm+0x1a/0x30 [ 3157.331549][ T74] [ 3157.334546][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3157.334546][ T74] netdev_get_by_index+0x5e/0x80 [ 3157.334546][ T74] fib6_nh_init+0x3d8/0x1580 [ 3157.334546][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3157.334546][ T74] ip6_route_add+0x1c/0x140 [ 3157.334546][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3157.334546][ T74] inet6_addr_add+0x4f8/0xa40 [ 3157.334546][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3157.334546][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3157.334546][ T74] netlink_rcv_skb+0x130/0x360 [ 3157.334546][ T74] netlink_unicast+0x449/0x710 [ 3157.334546][ T74] netlink_sendmsg+0x723/0xbe0 [ 3157.334546][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3157.334546][ T74] ___sys_sendmsg+0xee/0x170 [ 3157.334546][ T74] __sys_sendmsg+0xcd/0x170 [ 3157.334546][ T74] do_syscall_64+0xc6/0x1e0 [ 3157.334546][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3157.334546][ T74] [ 3157.337675][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3157.337675][ T74] netdev_get_by_index+0x5e/0x80 [ 3157.337675][ T74] fib6_nh_init+0x3d8/0x1580 [ 3157.337675][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3157.337675][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3157.337675][ T74] ipv6_add_addr+0x411/0x2000 [ 3157.337675][ T74] inet6_addr_add+0x30e/0xa40 [ 3157.337675][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3157.337675][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3157.337675][ T74] netlink_rcv_skb+0x130/0x360 [ 3157.337675][ T74] netlink_unicast+0x449/0x710 [ 3157.337675][ T74] netlink_sendmsg+0x723/0xbe0 [ 3157.337675][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3157.337675][ T74] ___sys_sendmsg+0xee/0x170 [ 3157.337675][ T74] __sys_sendmsg+0xcd/0x170 [ 3157.337675][ T74] do_syscall_64+0xc6/0x1e0 [ 3157.337675][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3157.337675][ T74] [ 3157.340816][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3157.340816][ T74] netdev_get_by_index+0x5e/0x80 [ 3157.340816][ T74] fib6_nh_init+0x3d8/0x1580 [ 3157.340816][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3157.340816][ T74] ip6_route_add+0x1c/0x140 [ 3157.340816][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3157.340816][ T74] addrconf_add_dev+0xe2/0x170 [ 3157.340816][ T74] inet6_addr_add+0x12f/0xa40 [ 3157.340816][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3157.340816][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3157.340816][ T74] netlink_rcv_skb+0x130/0x360 [ 3157.340816][ T74] netlink_unicast+0x449/0x710 [ 3157.340816][ T74] netlink_sendmsg+0x723/0xbe0 [ 3157.340816][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3157.340816][ T74] ___sys_sendmsg+0xee/0x170 [ 3157.340816][ T74] __sys_sendmsg+0xcd/0x170 [ 3157.340816][ T74] do_syscall_64+0xc6/0x1e0 [ 3157.340816][ T74] [ 3157.343895][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3157.343895][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3157.343895][ T74] ipv6_find_idev+0x102/0x170 [ 3157.343895][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3157.343895][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3157.343895][ T74] netlink_rcv_skb+0x130/0x360 [ 3157.343895][ T74] netlink_unicast+0x449/0x710 [ 3157.343895][ T74] netlink_sendmsg+0x723/0xbe0 [ 3157.343895][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3157.343895][ T74] ___sys_sendmsg+0xee/0x170 [ 3157.343895][ T74] __sys_sendmsg+0xcd/0x170 [ 3157.343895][ T74] do_syscall_64+0xc6/0x1e0 [ 3157.343895][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3157.343895][ T74] [ 3157.346301][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3157.346301][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3157.346301][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3157.346301][ T74] ipv6_find_idev+0x102/0x170 [ 3157.346301][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3157.346301][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3157.346301][ T74] netlink_rcv_skb+0x130/0x360 [ 3157.346301][ T74] netlink_unicast+0x449/0x710 [ 3157.346301][ T74] netlink_sendmsg+0x723/0xbe0 [ 3157.346301][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3157.346301][ T74] ___sys_sendmsg+0xee/0x170 [ 3157.346301][ T74] __sys_sendmsg+0xcd/0x170 [ 3157.346301][ T74] do_syscall_64+0xc6/0x1e0 [ 3157.346301][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3157.346301][ T74] [ 3157.349058][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3157.349489][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3157.349489][ T74] dst_init+0x84/0x4a0 [ 3157.349489][ T74] dst_alloc+0x97/0x150 [ 3157.349489][ T74] ip6_dst_alloc+0x23/0x90 [ 3157.349489][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3157.349489][ T74] ip6_pol_route+0x56f/0x840 [ 3157.349489][ T74] fib6_rule_lookup+0x456/0x630 [ 3157.349489][ T74] ip6_route_input+0x59c/0xa50 [ 3157.349489][ T74] ipv6_rcv+0x397/0x810 [ 3157.349489][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3157.349489][ T74] process_backlog+0x101/0x620 [ 3157.349489][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3157.349489][ T74] net_rx_action+0x495/0xbe0 [ 3157.349489][ T74] __do_softirq+0x1b5/0x7f6 [ 3157.349489][ T74] [ 3157.352050][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3157.352050][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3157.352050][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3157.352050][ T74] fib6_nh_init+0xa22/0x1580 [ 3157.352050][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3157.352050][ T74] ip6_route_add+0x1c/0x140 [ 3157.352050][ T74] inet6_rtm_newroute+0x104/0x110 [ 3157.352050][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3157.352050][ T74] netlink_rcv_skb+0x130/0x360 [ 3157.352050][ T74] netlink_unicast+0x449/0x710 [ 3157.352050][ T74] netlink_sendmsg+0x723/0xbe0 [ 3157.352050][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3157.352050][ T74] ___sys_sendmsg+0xee/0x170 [ 3157.352050][ T74] __sys_sendmsg+0xcd/0x170 [ 3157.352050][ T74] do_syscall_64+0xc6/0x1e0 [ 3157.352050][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3157.352050][ T74] [ 3157.355005][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3157.355005][ T74] netdev_get_by_index+0x5e/0x80 [ 3157.355005][ T74] fib6_nh_init+0x3d8/0x1580 [ 3157.355005][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3157.355005][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3157.355005][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3157.355005][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3157.355005][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3157.355005][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3157.355005][ T74] addrconf_dad_begin+0x310/0x670 [ 3157.355005][ T74] addrconf_dad_work+0x10b/0xab0 [ 3157.355005][ T74] process_one_work+0x84d/0x18a0 [ 3157.355005][ T74] worker_thread+0x587/0xd30 [ 3157.355005][ T74] kthread+0x28a/0x350 [ 3157.355005][ T74] ret_from_fork+0x31/0x70 [ 3157.355005][ T74] ret_from_fork_asm+0x1a/0x30 [ 3157.355005][ T74] [ 3157.357994][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3157.357994][ T74] netdev_get_by_index+0x5e/0x80 [ 3157.357994][ T74] fib6_nh_init+0x3d8/0x1580 [ 3157.357994][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3157.357994][ T74] ip6_route_add+0x1c/0x140 [ 3157.357994][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3157.357994][ T74] inet6_addr_add+0x4f8/0xa40 [ 3157.357994][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3157.357994][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3157.357994][ T74] netlink_rcv_skb+0x130/0x360 [ 3157.357994][ T74] netlink_unicast+0x449/0x710 [ 3157.357994][ T74] netlink_sendmsg+0x723/0xbe0 [ 3157.357994][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3157.357994][ T74] ___sys_sendmsg+0xee/0x170 [ 3157.357994][ T74] __sys_sendmsg+0xcd/0x170 [ 3157.357994][ T74] do_syscall_64+0xc6/0x1e0 [ 3157.357994][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3157.357994][ T74] [ 3157.361116][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3157.361116][ T74] netdev_get_by_index+0x5e/0x80 [ 3157.361116][ T74] fib6_nh_init+0x3d8/0x1580 [ 3157.361116][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3157.361116][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3157.361116][ T74] ipv6_add_addr+0x411/0x2000 [ 3157.361116][ T74] inet6_addr_add+0x30e/0xa40 [ 3157.361116][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3157.361116][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3157.361116][ T74] netlink_rcv_skb+0x130/0x360 [ 3157.361116][ T74] netlink_unicast+0x449/0x710 [ 3157.361116][ T74] netlink_sendmsg+0x723/0xbe0 [ 3157.361116][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3157.361116][ T74] ___sys_sendmsg+0xee/0x170 [ 3157.361116][ T74] __sys_sendmsg+0xcd/0x170 [ 3157.361116][ T74] do_syscall_64+0xc6/0x1e0 [ 3157.361116][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3157.361116][ T74] [ 3157.364245][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3157.364245][ T74] netdev_get_by_index+0x5e/0x80 [ 3157.364245][ T74] fib6_nh_init+0x3d8/0x1580 [ 3157.364245][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3157.364245][ T74] ip6_route_add+0x1c/0x140 [ 3157.364245][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3157.364245][ T74] addrconf_add_dev+0xe2/0x170 [ 3157.364245][ T74] inet6_addr_add+0x12f/0xa40 [ 3157.364245][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3157.364245][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3157.364245][ T74] netlink_rcv_skb+0x130/0x360 [ 3157.364245][ T74] netlink_unicast+0x449/0x710 [ 3157.364245][ T74] netlink_sendmsg+0x723/0xbe0 [ 3157.364245][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3157.364245][ T74] ___sys_sendmsg+0xee/0x170 [ 3157.364245][ T74] __sys_sendmsg+0xcd/0x170 [ 3157.364245][ T74] do_syscall_64+0xc6/0x1e0 [ 3157.364245][ T74] [ 3157.367327][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3157.367327][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3157.367327][ T74] ipv6_find_idev+0x102/0x170 [ 3157.367327][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3157.367327][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3157.367327][ T74] netlink_rcv_skb+0x130/0x360 [ 3157.367327][ T74] netlink_unicast+0x449/0x710 [ 3157.367327][ T74] netlink_sendmsg+0x723/0xbe0 [ 3157.367327][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3157.367327][ T74] ___sys_sendmsg+0xee/0x170 [ 3157.367327][ T74] __sys_sendmsg+0xcd/0x170 [ 3157.367327][ T74] do_syscall_64+0xc6/0x1e0 [ 3157.367327][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3157.367327][ T74] [ 3157.370081][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3157.370081][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3157.370081][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3157.370081][ T74] ipv6_find_idev+0x102/0x170 [ 3157.370081][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3157.370081][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3157.370081][ T74] netlink_rcv_skb+0x130/0x360 [ 3157.370081][ T74] netlink_unicast+0x449/0x710 [ 3157.370081][ T74] netlink_sendmsg+0x723/0xbe0 [ 3157.370081][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3157.370081][ T74] ___sys_sendmsg+0xee/0x170 [ 3157.370081][ T74] __sys_sendmsg+0xcd/0x170 [ 3157.370081][ T74] do_syscall_64+0xc6/0x1e0 [ 3157.370081][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3157.370081][ T74] [ 3157.373027][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3157.373399][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3157.373399][ T74] netdev_get_by_index+0x5e/0x80 [ 3157.373399][ T74] fib6_nh_init+0x3d8/0x1580 [ 3157.373399][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3157.373399][ T74] ip6_route_add+0x1c/0x140 [ 3157.373399][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3157.373399][ T74] inet6_addr_add+0x4f8/0xa40 [ 3157.373399][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3157.373399][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3157.373399][ T74] netlink_rcv_skb+0x130/0x360 [ 3157.373399][ T74] netlink_unicast+0x449/0x710 [ 3157.373399][ T74] netlink_sendmsg+0x723/0xbe0 [ 3157.373399][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3157.373399][ T74] ___sys_sendmsg+0xee/0x170 [ 3157.373399][ T74] __sys_sendmsg+0xcd/0x170 [ 3157.373399][ T74] do_syscall_64+0xc6/0x1e0 [ 3157.373399][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3157.373399][ T74] [ 3157.376994][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3157.376994][ T74] netdev_get_by_index+0x5e/0x80 [ 3157.376994][ T74] fib6_nh_init+0x3d8/0x1580 [ 3157.376994][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3157.376994][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3157.376994][ T74] ipv6_add_addr+0x411/0x2000 [ 3157.376994][ T74] inet6_addr_add+0x30e/0xa40 [ 3157.376994][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3157.376994][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3157.376994][ T74] netlink_rcv_skb+0x130/0x360 [ 3157.376994][ T74] netlink_unicast+0x449/0x710 [ 3157.376994][ T74] netlink_sendmsg+0x723/0xbe0 [ 3157.376994][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3157.376994][ T74] ___sys_sendmsg+0xee/0x170 [ 3157.376994][ T74] __sys_sendmsg+0xcd/0x170 [ 3157.376994][ T74] do_syscall_64+0xc6/0x1e0 [ 3157.376994][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3157.376994][ T74] [ 3157.380655][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3157.380655][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3157.380655][ T74] ipv6_find_idev+0x102/0x170 [ 3157.380655][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3157.380655][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3157.380655][ T74] netlink_rcv_skb+0x130/0x360 [ 3157.380655][ T74] netlink_unicast+0x449/0x710 [ 3157.380655][ T74] netlink_sendmsg+0x723/0xbe0 [ 3157.380655][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3157.380655][ T74] ___sys_sendmsg+0xee/0x170 [ 3157.380655][ T74] __sys_sendmsg+0xcd/0x170 [ 3157.380655][ T74] do_syscall_64+0xc6/0x1e0 [ 3157.380655][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3157.380655][ T74] [ 3157.383397][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3157.383397][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3157.383397][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3157.383397][ T74] ipv6_find_idev+0x102/0x170 [ 3157.383397][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3157.383397][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3157.383397][ T74] netlink_rcv_skb+0x130/0x360 [ 3157.383397][ T74] netlink_unicast+0x449/0x710 [ 3157.383397][ T74] netlink_sendmsg+0x723/0xbe0 [ 3157.383397][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3157.383397][ T74] ___sys_sendmsg+0xee/0x170 [ 3157.383397][ T74] __sys_sendmsg+0xcd/0x170 [ 3157.383397][ T74] do_syscall_64+0xc6/0x1e0 [ 3157.383397][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3157.383397][ T74] [ 3167.479960][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3167.480473][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3167.480473][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3167.480473][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3167.480473][ T74] fib6_nh_init+0xa22/0x1580 [ 3167.480473][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3167.480473][ T74] ip6_route_add+0x1c/0x140 [ 3167.480473][ T74] inet6_rtm_newroute+0x104/0x110 [ 3167.480473][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3167.480473][ T74] netlink_rcv_skb+0x130/0x360 [ 3167.480473][ T74] netlink_unicast+0x449/0x710 [ 3167.480473][ T74] netlink_sendmsg+0x723/0xbe0 [ 3167.480473][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3167.480473][ T74] ___sys_sendmsg+0xee/0x170 [ 3167.480473][ T74] __sys_sendmsg+0xcd/0x170 [ 3167.480473][ T74] do_syscall_64+0xc6/0x1e0 [ 3167.480473][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3167.480473][ T74] [ 3167.483428][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3167.483428][ T74] netdev_get_by_index+0x5e/0x80 [ 3167.483428][ T74] fib6_nh_init+0x3d8/0x1580 [ 3167.483428][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3167.483428][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3167.483428][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3167.483428][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3167.483428][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3167.483428][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3167.483428][ T74] addrconf_dad_begin+0x310/0x670 [ 3167.483428][ T74] addrconf_dad_work+0x10b/0xab0 [ 3167.483428][ T74] process_one_work+0x84d/0x18a0 [ 3167.483428][ T74] worker_thread+0x587/0xd30 [ 3167.483428][ T74] kthread+0x28a/0x350 [ 3167.483428][ T74] ret_from_fork+0x31/0x70 [ 3167.483428][ T74] ret_from_fork_asm+0x1a/0x30 [ 3167.483428][ T74] [ 3167.486448][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3167.486448][ T74] netdev_get_by_index+0x5e/0x80 [ 3167.486448][ T74] fib6_nh_init+0x3d8/0x1580 [ 3167.486448][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3167.486448][ T74] ip6_route_add+0x1c/0x140 [ 3167.486448][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3167.486448][ T74] inet6_addr_add+0x4f8/0xa40 [ 3167.486448][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3167.486448][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3167.486448][ T74] netlink_rcv_skb+0x130/0x360 [ 3167.486448][ T74] netlink_unicast+0x449/0x710 [ 3167.486448][ T74] netlink_sendmsg+0x723/0xbe0 [ 3167.486448][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3167.486448][ T74] ___sys_sendmsg+0xee/0x170 [ 3167.486448][ T74] __sys_sendmsg+0xcd/0x170 [ 3167.486448][ T74] do_syscall_64+0xc6/0x1e0 [ 3167.486448][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3167.486448][ T74] [ 3167.489573][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3167.489573][ T74] netdev_get_by_index+0x5e/0x80 [ 3167.489573][ T74] fib6_nh_init+0x3d8/0x1580 [ 3167.489573][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3167.489573][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3167.489573][ T74] ipv6_add_addr+0x411/0x2000 [ 3167.489573][ T74] inet6_addr_add+0x30e/0xa40 [ 3167.489573][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3167.489573][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3167.489573][ T74] netlink_rcv_skb+0x130/0x360 [ 3167.489573][ T74] netlink_unicast+0x449/0x710 [ 3167.489573][ T74] netlink_sendmsg+0x723/0xbe0 [ 3167.489573][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3167.489573][ T74] ___sys_sendmsg+0xee/0x170 [ 3167.489573][ T74] __sys_sendmsg+0xcd/0x170 [ 3167.489573][ T74] do_syscall_64+0xc6/0x1e0 [ 3167.489573][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3167.489573][ T74] [ 3167.492706][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3167.492706][ T74] netdev_get_by_index+0x5e/0x80 [ 3167.492706][ T74] fib6_nh_init+0x3d8/0x1580 [ 3167.492706][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3167.492706][ T74] ip6_route_add+0x1c/0x140 [ 3167.492706][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3167.492706][ T74] addrconf_add_dev+0xe2/0x170 [ 3167.492706][ T74] inet6_addr_add+0x12f/0xa40 [ 3167.492706][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3167.492706][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3167.492706][ T74] netlink_rcv_skb+0x130/0x360 [ 3167.492706][ T74] netlink_unicast+0x449/0x710 [ 3167.492706][ T74] netlink_sendmsg+0x723/0xbe0 [ 3167.492706][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3167.492706][ T74] ___sys_sendmsg+0xee/0x170 [ 3167.492706][ T74] __sys_sendmsg+0xcd/0x170 [ 3167.492706][ T74] do_syscall_64+0xc6/0x1e0 [ 3167.492706][ T74] [ 3167.495798][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3167.495798][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3167.495798][ T74] ipv6_find_idev+0x102/0x170 [ 3167.495798][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3167.495798][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3167.495798][ T74] netlink_rcv_skb+0x130/0x360 [ 3167.495798][ T74] netlink_unicast+0x449/0x710 [ 3167.495798][ T74] netlink_sendmsg+0x723/0xbe0 [ 3167.495798][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3167.495798][ T74] ___sys_sendmsg+0xee/0x170 [ 3167.495798][ T74] __sys_sendmsg+0xcd/0x170 [ 3167.495798][ T74] do_syscall_64+0xc6/0x1e0 [ 3167.495798][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3167.495798][ T74] [ 3167.498207][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3167.498207][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3167.498207][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3167.498207][ T74] ipv6_find_idev+0x102/0x170 [ 3167.498207][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3167.498207][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3167.498207][ T74] netlink_rcv_skb+0x130/0x360 [ 3167.498207][ T74] netlink_unicast+0x449/0x710 [ 3167.498207][ T74] netlink_sendmsg+0x723/0xbe0 [ 3167.498207][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3167.498207][ T74] ___sys_sendmsg+0xee/0x170 [ 3167.498207][ T74] __sys_sendmsg+0xcd/0x170 [ 3167.498207][ T74] do_syscall_64+0xc6/0x1e0 [ 3167.498207][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3167.498207][ T74] [ 3167.500873][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3167.501292][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3167.501292][ T74] dst_init+0x84/0x4a0 [ 3167.501292][ T74] dst_alloc+0x97/0x150 [ 3167.501292][ T74] ip6_dst_alloc+0x23/0x90 [ 3167.501292][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3167.501292][ T74] ip6_pol_route+0x56f/0x840 [ 3167.501292][ T74] fib6_rule_lookup+0x456/0x630 [ 3167.501292][ T74] ip6_route_input+0x59c/0xa50 [ 3167.501292][ T74] ipv6_rcv+0x397/0x810 [ 3167.501292][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3167.501292][ T74] process_backlog+0x101/0x620 [ 3167.501292][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3167.501292][ T74] net_rx_action+0x495/0xbe0 [ 3167.501292][ T74] __do_softirq+0x1b5/0x7f6 [ 3167.501292][ T74] [ 3167.503890][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3167.503890][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3167.503890][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3167.503890][ T74] fib6_nh_init+0xa22/0x1580 [ 3167.503890][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3167.503890][ T74] ip6_route_add+0x1c/0x140 [ 3167.503890][ T74] inet6_rtm_newroute+0x104/0x110 [ 3167.503890][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3167.503890][ T74] netlink_rcv_skb+0x130/0x360 [ 3167.503890][ T74] netlink_unicast+0x449/0x710 [ 3167.503890][ T74] netlink_sendmsg+0x723/0xbe0 [ 3167.503890][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3167.503890][ T74] ___sys_sendmsg+0xee/0x170 [ 3167.503890][ T74] __sys_sendmsg+0xcd/0x170 [ 3167.503890][ T74] do_syscall_64+0xc6/0x1e0 [ 3167.503890][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3167.503890][ T74] [ 3167.506832][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3167.506832][ T74] netdev_get_by_index+0x5e/0x80 [ 3167.506832][ T74] fib6_nh_init+0x3d8/0x1580 [ 3167.506832][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3167.506832][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3167.506832][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3167.506832][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3167.506832][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3167.506832][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3167.506832][ T74] addrconf_dad_begin+0x310/0x670 [ 3167.506832][ T74] addrconf_dad_work+0x10b/0xab0 [ 3167.506832][ T74] process_one_work+0x84d/0x18a0 [ 3167.506832][ T74] worker_thread+0x587/0xd30 [ 3167.506832][ T74] kthread+0x28a/0x350 [ 3167.506832][ T74] ret_from_fork+0x31/0x70 [ 3167.506832][ T74] ret_from_fork_asm+0x1a/0x30 [ 3167.506832][ T74] [ 3167.509823][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3167.509823][ T74] netdev_get_by_index+0x5e/0x80 [ 3167.509823][ T74] fib6_nh_init+0x3d8/0x1580 [ 3167.509823][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3167.509823][ T74] ip6_route_add+0x1c/0x140 [ 3167.509823][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3167.509823][ T74] inet6_addr_add+0x4f8/0xa40 [ 3167.509823][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3167.509823][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3167.509823][ T74] netlink_rcv_skb+0x130/0x360 [ 3167.509823][ T74] netlink_unicast+0x449/0x710 [ 3167.509823][ T74] netlink_sendmsg+0x723/0xbe0 [ 3167.509823][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3167.509823][ T74] ___sys_sendmsg+0xee/0x170 [ 3167.509823][ T74] __sys_sendmsg+0xcd/0x170 [ 3167.509823][ T74] do_syscall_64+0xc6/0x1e0 [ 3167.509823][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3167.509823][ T74] [ 3167.512953][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3167.512953][ T74] netdev_get_by_index+0x5e/0x80 [ 3167.512953][ T74] fib6_nh_init+0x3d8/0x1580 [ 3167.512953][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3167.512953][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3167.512953][ T74] ipv6_add_addr+0x411/0x2000 [ 3167.512953][ T74] inet6_addr_add+0x30e/0xa40 [ 3167.512953][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3167.512953][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3167.512953][ T74] netlink_rcv_skb+0x130/0x360 [ 3167.512953][ T74] netlink_unicast+0x449/0x710 [ 3167.512953][ T74] netlink_sendmsg+0x723/0xbe0 [ 3167.512953][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3167.512953][ T74] ___sys_sendmsg+0xee/0x170 [ 3167.512953][ T74] __sys_sendmsg+0xcd/0x170 [ 3167.512953][ T74] do_syscall_64+0xc6/0x1e0 [ 3167.512953][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3167.512953][ T74] [ 3167.516099][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3167.516099][ T74] netdev_get_by_index+0x5e/0x80 [ 3167.516099][ T74] fib6_nh_init+0x3d8/0x1580 [ 3167.516099][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3167.516099][ T74] ip6_route_add+0x1c/0x140 [ 3167.516099][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3167.516099][ T74] addrconf_add_dev+0xe2/0x170 [ 3167.516099][ T74] inet6_addr_add+0x12f/0xa40 [ 3167.516099][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3167.516099][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3167.516099][ T74] netlink_rcv_skb+0x130/0x360 [ 3167.516099][ T74] netlink_unicast+0x449/0x710 [ 3167.516099][ T74] netlink_sendmsg+0x723/0xbe0 [ 3167.516099][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3167.516099][ T74] ___sys_sendmsg+0xee/0x170 [ 3167.516099][ T74] __sys_sendmsg+0xcd/0x170 [ 3167.516099][ T74] do_syscall_64+0xc6/0x1e0 [ 3167.516099][ T74] [ 3167.519167][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3167.519167][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3167.519167][ T74] ipv6_find_idev+0x102/0x170 [ 3167.519167][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3167.519167][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3167.519167][ T74] netlink_rcv_skb+0x130/0x360 [ 3167.519167][ T74] netlink_unicast+0x449/0x710 [ 3167.519167][ T74] netlink_sendmsg+0x723/0xbe0 [ 3167.519167][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3167.519167][ T74] ___sys_sendmsg+0xee/0x170 [ 3167.519167][ T74] __sys_sendmsg+0xcd/0x170 [ 3167.519167][ T74] do_syscall_64+0xc6/0x1e0 [ 3167.519167][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3167.519167][ T74] [ 3167.521804][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3167.521804][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3167.521804][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3167.521804][ T74] ipv6_find_idev+0x102/0x170 [ 3167.521804][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3167.521804][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3167.521804][ T74] netlink_rcv_skb+0x130/0x360 [ 3167.521804][ T74] netlink_unicast+0x449/0x710 [ 3167.521804][ T74] netlink_sendmsg+0x723/0xbe0 [ 3167.521804][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3167.521804][ T74] ___sys_sendmsg+0xee/0x170 [ 3167.521804][ T74] __sys_sendmsg+0xcd/0x170 [ 3167.521804][ T74] do_syscall_64+0xc6/0x1e0 [ 3167.521804][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3167.521804][ T74] [ 3167.524569][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3167.525074][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3167.525074][ T74] netdev_get_by_index+0x5e/0x80 [ 3167.525074][ T74] fib6_nh_init+0x3d8/0x1580 [ 3167.525074][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3167.525074][ T74] ip6_route_add+0x1c/0x140 [ 3167.525074][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3167.525074][ T74] inet6_addr_add+0x4f8/0xa40 [ 3167.525074][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3167.525074][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3167.525074][ T74] netlink_rcv_skb+0x130/0x360 [ 3167.525074][ T74] netlink_unicast+0x449/0x710 [ 3167.525074][ T74] netlink_sendmsg+0x723/0xbe0 [ 3167.525074][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3167.525074][ T74] ___sys_sendmsg+0xee/0x170 [ 3167.525074][ T74] __sys_sendmsg+0xcd/0x170 [ 3167.525074][ T74] do_syscall_64+0xc6/0x1e0 [ 3167.525074][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3167.525074][ T74] [ 3167.528319][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3167.528319][ T74] netdev_get_by_index+0x5e/0x80 [ 3167.528319][ T74] fib6_nh_init+0x3d8/0x1580 [ 3167.528319][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3167.528319][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3167.528319][ T74] ipv6_add_addr+0x411/0x2000 [ 3167.528319][ T74] inet6_addr_add+0x30e/0xa40 [ 3167.528319][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3167.528319][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3167.528319][ T74] netlink_rcv_skb+0x130/0x360 [ 3167.528319][ T74] netlink_unicast+0x449/0x710 [ 3167.528319][ T74] netlink_sendmsg+0x723/0xbe0 [ 3167.528319][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3167.528319][ T74] ___sys_sendmsg+0xee/0x170 [ 3167.528319][ T74] __sys_sendmsg+0xcd/0x170 [ 3167.528319][ T74] do_syscall_64+0xc6/0x1e0 [ 3167.528319][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3167.528319][ T74] [ 3167.531880][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3167.531880][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3167.531880][ T74] ipv6_find_idev+0x102/0x170 [ 3167.531880][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3167.531880][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3167.531880][ T74] netlink_rcv_skb+0x130/0x360 [ 3167.531880][ T74] netlink_unicast+0x449/0x710 [ 3167.531880][ T74] netlink_sendmsg+0x723/0xbe0 [ 3167.531880][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3167.531880][ T74] ___sys_sendmsg+0xee/0x170 [ 3167.531880][ T74] __sys_sendmsg+0xcd/0x170 [ 3167.531880][ T74] do_syscall_64+0xc6/0x1e0 [ 3167.531880][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3167.531880][ T74] [ 3167.534735][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3167.534735][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3167.534735][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3167.534735][ T74] ipv6_find_idev+0x102/0x170 [ 3167.534735][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3167.534735][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3167.534735][ T74] netlink_rcv_skb+0x130/0x360 [ 3167.534735][ T74] netlink_unicast+0x449/0x710 [ 3167.534735][ T74] netlink_sendmsg+0x723/0xbe0 [ 3167.534735][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3167.534735][ T74] ___sys_sendmsg+0xee/0x170 [ 3167.534735][ T74] __sys_sendmsg+0xcd/0x170 [ 3167.534735][ T74] do_syscall_64+0xc6/0x1e0 [ 3167.534735][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3167.534735][ T74] [ 3177.743903][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3177.744428][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3177.744428][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3177.744428][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3177.744428][ T74] fib6_nh_init+0xa22/0x1580 [ 3177.744428][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3177.744428][ T74] ip6_route_add+0x1c/0x140 [ 3177.744428][ T74] inet6_rtm_newroute+0x104/0x110 [ 3177.744428][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3177.744428][ T74] netlink_rcv_skb+0x130/0x360 [ 3177.744428][ T74] netlink_unicast+0x449/0x710 [ 3177.744428][ T74] netlink_sendmsg+0x723/0xbe0 [ 3177.744428][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3177.744428][ T74] ___sys_sendmsg+0xee/0x170 [ 3177.744428][ T74] __sys_sendmsg+0xcd/0x170 [ 3177.744428][ T74] do_syscall_64+0xc6/0x1e0 [ 3177.744428][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3177.744428][ T74] [ 3177.747391][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3177.747391][ T74] netdev_get_by_index+0x5e/0x80 [ 3177.747391][ T74] fib6_nh_init+0x3d8/0x1580 [ 3177.747391][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3177.747391][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3177.747391][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3177.747391][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3177.747391][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3177.747391][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3177.747391][ T74] addrconf_dad_begin+0x310/0x670 [ 3177.747391][ T74] addrconf_dad_work+0x10b/0xab0 [ 3177.747391][ T74] process_one_work+0x84d/0x18a0 [ 3177.747391][ T74] worker_thread+0x587/0xd30 [ 3177.747391][ T74] kthread+0x28a/0x350 [ 3177.747391][ T74] ret_from_fork+0x31/0x70 [ 3177.747391][ T74] ret_from_fork_asm+0x1a/0x30 [ 3177.747391][ T74] [ 3177.750397][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3177.750397][ T74] netdev_get_by_index+0x5e/0x80 [ 3177.750397][ T74] fib6_nh_init+0x3d8/0x1580 [ 3177.750397][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3177.750397][ T74] ip6_route_add+0x1c/0x140 [ 3177.750397][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3177.750397][ T74] inet6_addr_add+0x4f8/0xa40 [ 3177.750397][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3177.750397][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3177.750397][ T74] netlink_rcv_skb+0x130/0x360 [ 3177.750397][ T74] netlink_unicast+0x449/0x710 [ 3177.750397][ T74] netlink_sendmsg+0x723/0xbe0 [ 3177.750397][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3177.750397][ T74] ___sys_sendmsg+0xee/0x170 [ 3177.750397][ T74] __sys_sendmsg+0xcd/0x170 [ 3177.750397][ T74] do_syscall_64+0xc6/0x1e0 [ 3177.750397][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3177.750397][ T74] [ 3177.753516][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3177.753516][ T74] netdev_get_by_index+0x5e/0x80 [ 3177.753516][ T74] fib6_nh_init+0x3d8/0x1580 [ 3177.753516][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3177.753516][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3177.753516][ T74] ipv6_add_addr+0x411/0x2000 [ 3177.753516][ T74] inet6_addr_add+0x30e/0xa40 [ 3177.753516][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3177.753516][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3177.753516][ T74] netlink_rcv_skb+0x130/0x360 [ 3177.753516][ T74] netlink_unicast+0x449/0x710 [ 3177.753516][ T74] netlink_sendmsg+0x723/0xbe0 [ 3177.753516][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3177.753516][ T74] ___sys_sendmsg+0xee/0x170 [ 3177.753516][ T74] __sys_sendmsg+0xcd/0x170 [ 3177.753516][ T74] do_syscall_64+0xc6/0x1e0 [ 3177.753516][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3177.753516][ T74] [ 3177.756665][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3177.756665][ T74] netdev_get_by_index+0x5e/0x80 [ 3177.756665][ T74] fib6_nh_init+0x3d8/0x1580 [ 3177.756665][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3177.756665][ T74] ip6_route_add+0x1c/0x140 [ 3177.756665][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3177.756665][ T74] addrconf_add_dev+0xe2/0x170 [ 3177.756665][ T74] inet6_addr_add+0x12f/0xa40 [ 3177.756665][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3177.756665][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3177.756665][ T74] netlink_rcv_skb+0x130/0x360 [ 3177.756665][ T74] netlink_unicast+0x449/0x710 [ 3177.756665][ T74] netlink_sendmsg+0x723/0xbe0 [ 3177.756665][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3177.756665][ T74] ___sys_sendmsg+0xee/0x170 [ 3177.756665][ T74] __sys_sendmsg+0xcd/0x170 [ 3177.756665][ T74] do_syscall_64+0xc6/0x1e0 [ 3177.756665][ T74] [ 3177.759744][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3177.759744][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3177.759744][ T74] ipv6_find_idev+0x102/0x170 [ 3177.759744][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3177.759744][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3177.759744][ T74] netlink_rcv_skb+0x130/0x360 [ 3177.759744][ T74] netlink_unicast+0x449/0x710 [ 3177.759744][ T74] netlink_sendmsg+0x723/0xbe0 [ 3177.759744][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3177.759744][ T74] ___sys_sendmsg+0xee/0x170 [ 3177.759744][ T74] __sys_sendmsg+0xcd/0x170 [ 3177.759744][ T74] do_syscall_64+0xc6/0x1e0 [ 3177.759744][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3177.759744][ T74] [ 3177.762158][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3177.762158][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3177.762158][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3177.762158][ T74] ipv6_find_idev+0x102/0x170 [ 3177.762158][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3177.762158][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3177.762158][ T74] netlink_rcv_skb+0x130/0x360 [ 3177.762158][ T74] netlink_unicast+0x449/0x710 [ 3177.762158][ T74] netlink_sendmsg+0x723/0xbe0 [ 3177.762158][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3177.762158][ T74] ___sys_sendmsg+0xee/0x170 [ 3177.762158][ T74] __sys_sendmsg+0xcd/0x170 [ 3177.762158][ T74] do_syscall_64+0xc6/0x1e0 [ 3177.762158][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3177.762158][ T74] [ 3177.764815][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3177.765252][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3177.765252][ T74] dst_init+0x84/0x4a0 [ 3177.765252][ T74] dst_alloc+0x97/0x150 [ 3177.765252][ T74] ip6_dst_alloc+0x23/0x90 [ 3177.765252][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3177.765252][ T74] ip6_pol_route+0x56f/0x840 [ 3177.765252][ T74] fib6_rule_lookup+0x456/0x630 [ 3177.765252][ T74] ip6_route_input+0x59c/0xa50 [ 3177.765252][ T74] ipv6_rcv+0x397/0x810 [ 3177.765252][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3177.765252][ T74] process_backlog+0x101/0x620 [ 3177.765252][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3177.765252][ T74] net_rx_action+0x495/0xbe0 [ 3177.765252][ T74] __do_softirq+0x1b5/0x7f6 [ 3177.765252][ T74] [ 3177.767816][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3177.767816][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3177.767816][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3177.767816][ T74] fib6_nh_init+0xa22/0x1580 [ 3177.767816][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3177.767816][ T74] ip6_route_add+0x1c/0x140 [ 3177.767816][ T74] inet6_rtm_newroute+0x104/0x110 [ 3177.767816][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3177.767816][ T74] netlink_rcv_skb+0x130/0x360 [ 3177.767816][ T74] netlink_unicast+0x449/0x710 [ 3177.767816][ T74] netlink_sendmsg+0x723/0xbe0 [ 3177.767816][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3177.767816][ T74] ___sys_sendmsg+0xee/0x170 [ 3177.767816][ T74] __sys_sendmsg+0xcd/0x170 [ 3177.767816][ T74] do_syscall_64+0xc6/0x1e0 [ 3177.767816][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3177.767816][ T74] [ 3177.770757][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3177.770757][ T74] netdev_get_by_index+0x5e/0x80 [ 3177.770757][ T74] fib6_nh_init+0x3d8/0x1580 [ 3177.770757][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3177.770757][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3177.770757][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3177.770757][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3177.770757][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3177.770757][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3177.770757][ T74] addrconf_dad_begin+0x310/0x670 [ 3177.770757][ T74] addrconf_dad_work+0x10b/0xab0 [ 3177.770757][ T74] process_one_work+0x84d/0x18a0 [ 3177.770757][ T74] worker_thread+0x587/0xd30 [ 3177.770757][ T74] kthread+0x28a/0x350 [ 3177.770757][ T74] ret_from_fork+0x31/0x70 [ 3177.770757][ T74] ret_from_fork_asm+0x1a/0x30 [ 3177.770757][ T74] [ 3177.773760][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3177.773760][ T74] netdev_get_by_index+0x5e/0x80 [ 3177.773760][ T74] fib6_nh_init+0x3d8/0x1580 [ 3177.773760][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3177.773760][ T74] ip6_route_add+0x1c/0x140 [ 3177.773760][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3177.773760][ T74] inet6_addr_add+0x4f8/0xa40 [ 3177.773760][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3177.773760][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3177.773760][ T74] netlink_rcv_skb+0x130/0x360 [ 3177.773760][ T74] netlink_unicast+0x449/0x710 [ 3177.773760][ T74] netlink_sendmsg+0x723/0xbe0 [ 3177.773760][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3177.773760][ T74] ___sys_sendmsg+0xee/0x170 [ 3177.773760][ T74] __sys_sendmsg+0xcd/0x170 [ 3177.773760][ T74] do_syscall_64+0xc6/0x1e0 [ 3177.773760][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3177.773760][ T74] [ 3177.776886][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3177.776886][ T74] netdev_get_by_index+0x5e/0x80 [ 3177.776886][ T74] fib6_nh_init+0x3d8/0x1580 [ 3177.776886][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3177.776886][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3177.776886][ T74] ipv6_add_addr+0x411/0x2000 [ 3177.776886][ T74] inet6_addr_add+0x30e/0xa40 [ 3177.776886][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3177.776886][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3177.776886][ T74] netlink_rcv_skb+0x130/0x360 [ 3177.776886][ T74] netlink_unicast+0x449/0x710 [ 3177.776886][ T74] netlink_sendmsg+0x723/0xbe0 [ 3177.776886][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3177.776886][ T74] ___sys_sendmsg+0xee/0x170 [ 3177.776886][ T74] __sys_sendmsg+0xcd/0x170 [ 3177.776886][ T74] do_syscall_64+0xc6/0x1e0 [ 3177.776886][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3177.776886][ T74] [ 3177.780022][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3177.780022][ T74] netdev_get_by_index+0x5e/0x80 [ 3177.780022][ T74] fib6_nh_init+0x3d8/0x1580 [ 3177.780022][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3177.780022][ T74] ip6_route_add+0x1c/0x140 [ 3177.780022][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3177.780022][ T74] addrconf_add_dev+0xe2/0x170 [ 3177.780022][ T74] inet6_addr_add+0x12f/0xa40 [ 3177.780022][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3177.780022][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3177.780022][ T74] netlink_rcv_skb+0x130/0x360 [ 3177.780022][ T74] netlink_unicast+0x449/0x710 [ 3177.780022][ T74] netlink_sendmsg+0x723/0xbe0 [ 3177.780022][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3177.780022][ T74] ___sys_sendmsg+0xee/0x170 [ 3177.780022][ T74] __sys_sendmsg+0xcd/0x170 [ 3177.780022][ T74] do_syscall_64+0xc6/0x1e0 [ 3177.780022][ T74] [ 3177.783102][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3177.783102][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3177.783102][ T74] ipv6_find_idev+0x102/0x170 [ 3177.783102][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3177.783102][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3177.783102][ T74] netlink_rcv_skb+0x130/0x360 [ 3177.783102][ T74] netlink_unicast+0x449/0x710 [ 3177.783102][ T74] netlink_sendmsg+0x723/0xbe0 [ 3177.783102][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3177.783102][ T74] ___sys_sendmsg+0xee/0x170 [ 3177.783102][ T74] __sys_sendmsg+0xcd/0x170 [ 3177.783102][ T74] do_syscall_64+0xc6/0x1e0 [ 3177.783102][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3177.783102][ T74] [ 3177.785862][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3177.785862][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3177.785862][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3177.785862][ T74] ipv6_find_idev+0x102/0x170 [ 3177.785862][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3177.785862][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3177.785862][ T74] netlink_rcv_skb+0x130/0x360 [ 3177.785862][ T74] netlink_unicast+0x449/0x710 [ 3177.785862][ T74] netlink_sendmsg+0x723/0xbe0 [ 3177.785862][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3177.785862][ T74] ___sys_sendmsg+0xee/0x170 [ 3177.785862][ T74] __sys_sendmsg+0xcd/0x170 [ 3177.785862][ T74] do_syscall_64+0xc6/0x1e0 [ 3177.785862][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3177.785862][ T74] [ 3177.788946][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3177.789319][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3177.789319][ T74] netdev_get_by_index+0x5e/0x80 [ 3177.789319][ T74] fib6_nh_init+0x3d8/0x1580 [ 3177.789319][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3177.789319][ T74] ip6_route_add+0x1c/0x140 [ 3177.789319][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3177.789319][ T74] inet6_addr_add+0x4f8/0xa40 [ 3177.789319][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3177.789319][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3177.789319][ T74] netlink_rcv_skb+0x130/0x360 [ 3177.789319][ T74] netlink_unicast+0x449/0x710 [ 3177.789319][ T74] netlink_sendmsg+0x723/0xbe0 [ 3177.789319][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3177.789319][ T74] ___sys_sendmsg+0xee/0x170 [ 3177.789319][ T74] __sys_sendmsg+0xcd/0x170 [ 3177.789319][ T74] do_syscall_64+0xc6/0x1e0 [ 3177.789319][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3177.789319][ T74] [ 3177.792884][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3177.792884][ T74] netdev_get_by_index+0x5e/0x80 [ 3177.792884][ T74] fib6_nh_init+0x3d8/0x1580 [ 3177.792884][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3177.792884][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3177.792884][ T74] ipv6_add_addr+0x411/0x2000 [ 3177.792884][ T74] inet6_addr_add+0x30e/0xa40 [ 3177.792884][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3177.792884][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3177.792884][ T74] netlink_rcv_skb+0x130/0x360 [ 3177.792884][ T74] netlink_unicast+0x449/0x710 [ 3177.792884][ T74] netlink_sendmsg+0x723/0xbe0 [ 3177.792884][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3177.792884][ T74] ___sys_sendmsg+0xee/0x170 [ 3177.792884][ T74] __sys_sendmsg+0xcd/0x170 [ 3177.792884][ T74] do_syscall_64+0xc6/0x1e0 [ 3177.792884][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3177.792884][ T74] [ 3177.796446][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3177.796446][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3177.796446][ T74] ipv6_find_idev+0x102/0x170 [ 3177.796446][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3177.796446][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3177.796446][ T74] netlink_rcv_skb+0x130/0x360 [ 3177.796446][ T74] netlink_unicast+0x449/0x710 [ 3177.796446][ T74] netlink_sendmsg+0x723/0xbe0 [ 3177.796446][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3177.796446][ T74] ___sys_sendmsg+0xee/0x170 [ 3177.796446][ T74] __sys_sendmsg+0xcd/0x170 [ 3177.796446][ T74] do_syscall_64+0xc6/0x1e0 [ 3177.796446][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3177.796446][ T74] [ 3177.799079][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3177.799079][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3177.799079][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3177.799079][ T74] ipv6_find_idev+0x102/0x170 [ 3177.799079][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3177.799079][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3177.799079][ T74] netlink_rcv_skb+0x130/0x360 [ 3177.799079][ T74] netlink_unicast+0x449/0x710 [ 3177.799079][ T74] netlink_sendmsg+0x723/0xbe0 [ 3177.799079][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3177.799079][ T74] ___sys_sendmsg+0xee/0x170 [ 3177.799079][ T74] __sys_sendmsg+0xcd/0x170 [ 3177.799079][ T74] do_syscall_64+0xc6/0x1e0 [ 3177.799079][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3177.799079][ T74] [ 3187.935966][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3187.936327][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3187.936327][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3187.936327][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3187.936327][ T74] fib6_nh_init+0xa22/0x1580 [ 3187.936327][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3187.936327][ T74] ip6_route_add+0x1c/0x140 [ 3187.936327][ T74] inet6_rtm_newroute+0x104/0x110 [ 3187.936327][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3187.936327][ T74] netlink_rcv_skb+0x130/0x360 [ 3187.936327][ T74] netlink_unicast+0x449/0x710 [ 3187.936327][ T74] netlink_sendmsg+0x723/0xbe0 [ 3187.936327][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3187.936327][ T74] ___sys_sendmsg+0xee/0x170 [ 3187.936327][ T74] __sys_sendmsg+0xcd/0x170 [ 3187.936327][ T74] do_syscall_64+0xc6/0x1e0 [ 3187.936327][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3187.936327][ T74] [ 3187.938235][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3187.938235][ T74] netdev_get_by_index+0x5e/0x80 [ 3187.938235][ T74] fib6_nh_init+0x3d8/0x1580 [ 3187.938235][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3187.938235][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3187.938235][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3187.938235][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3187.938235][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3187.938235][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3187.938235][ T74] addrconf_dad_begin+0x310/0x670 [ 3187.938235][ T74] addrconf_dad_work+0x10b/0xab0 [ 3187.938235][ T74] process_one_work+0x84d/0x18a0 [ 3187.938235][ T74] worker_thread+0x587/0xd30 [ 3187.938235][ T74] kthread+0x28a/0x350 [ 3187.938235][ T74] ret_from_fork+0x31/0x70 [ 3187.938235][ T74] ret_from_fork_asm+0x1a/0x30 [ 3187.938235][ T74] [ 3187.940143][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3187.940143][ T74] netdev_get_by_index+0x5e/0x80 [ 3187.940143][ T74] fib6_nh_init+0x3d8/0x1580 [ 3187.940143][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3187.940143][ T74] ip6_route_add+0x1c/0x140 [ 3187.940143][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3187.940143][ T74] inet6_addr_add+0x4f8/0xa40 [ 3187.940143][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3187.940143][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3187.940143][ T74] netlink_rcv_skb+0x130/0x360 [ 3187.940143][ T74] netlink_unicast+0x449/0x710 [ 3187.940143][ T74] netlink_sendmsg+0x723/0xbe0 [ 3187.940143][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3187.940143][ T74] ___sys_sendmsg+0xee/0x170 [ 3187.940143][ T74] __sys_sendmsg+0xcd/0x170 [ 3187.940143][ T74] do_syscall_64+0xc6/0x1e0 [ 3187.940143][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3187.940143][ T74] [ 3187.942136][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3187.942136][ T74] netdev_get_by_index+0x5e/0x80 [ 3187.942136][ T74] fib6_nh_init+0x3d8/0x1580 [ 3187.942136][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3187.942136][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3187.942136][ T74] ipv6_add_addr+0x411/0x2000 [ 3187.942136][ T74] inet6_addr_add+0x30e/0xa40 [ 3187.942136][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3187.942136][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3187.942136][ T74] netlink_rcv_skb+0x130/0x360 [ 3187.942136][ T74] netlink_unicast+0x449/0x710 [ 3187.942136][ T74] netlink_sendmsg+0x723/0xbe0 [ 3187.942136][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3187.942136][ T74] ___sys_sendmsg+0xee/0x170 [ 3187.942136][ T74] __sys_sendmsg+0xcd/0x170 [ 3187.942136][ T74] do_syscall_64+0xc6/0x1e0 [ 3187.942136][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3187.942136][ T74] [ 3187.944150][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3187.944150][ T74] netdev_get_by_index+0x5e/0x80 [ 3187.944150][ T74] fib6_nh_init+0x3d8/0x1580 [ 3187.944150][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3187.944150][ T74] ip6_route_add+0x1c/0x140 [ 3187.944150][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3187.944150][ T74] addrconf_add_dev+0xe2/0x170 [ 3187.944150][ T74] inet6_addr_add+0x12f/0xa40 [ 3187.944150][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3187.944150][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3187.944150][ T74] netlink_rcv_skb+0x130/0x360 [ 3187.944150][ T74] netlink_unicast+0x449/0x710 [ 3187.944150][ T74] netlink_sendmsg+0x723/0xbe0 [ 3187.944150][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3187.944150][ T74] ___sys_sendmsg+0xee/0x170 [ 3187.944150][ T74] __sys_sendmsg+0xcd/0x170 [ 3187.944150][ T74] do_syscall_64+0xc6/0x1e0 [ 3187.944150][ T74] [ 3187.946113][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3187.946113][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3187.946113][ T74] ipv6_find_idev+0x102/0x170 [ 3187.946113][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3187.946113][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3187.946113][ T74] netlink_rcv_skb+0x130/0x360 [ 3187.946113][ T74] netlink_unicast+0x449/0x710 [ 3187.946113][ T74] netlink_sendmsg+0x723/0xbe0 [ 3187.946113][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3187.946113][ T74] ___sys_sendmsg+0xee/0x170 [ 3187.946113][ T74] __sys_sendmsg+0xcd/0x170 [ 3187.946113][ T74] do_syscall_64+0xc6/0x1e0 [ 3187.946113][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3187.946113][ T74] [ 3187.947650][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3187.947650][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3187.947650][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3187.947650][ T74] ipv6_find_idev+0x102/0x170 [ 3187.947650][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3187.947650][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3187.947650][ T74] netlink_rcv_skb+0x130/0x360 [ 3187.947650][ T74] netlink_unicast+0x449/0x710 [ 3187.947650][ T74] netlink_sendmsg+0x723/0xbe0 [ 3187.947650][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3187.947650][ T74] ___sys_sendmsg+0xee/0x170 [ 3187.947650][ T74] __sys_sendmsg+0xcd/0x170 [ 3187.947650][ T74] do_syscall_64+0xc6/0x1e0 [ 3187.947650][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3187.947650][ T74] [ 3187.949337][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3187.949609][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3187.949609][ T74] dst_init+0x84/0x4a0 [ 3187.949609][ T74] dst_alloc+0x97/0x150 [ 3187.949609][ T74] ip6_dst_alloc+0x23/0x90 [ 3187.949609][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3187.949609][ T74] ip6_pol_route+0x56f/0x840 [ 3187.949609][ T74] fib6_rule_lookup+0x456/0x630 [ 3187.949609][ T74] ip6_route_input+0x59c/0xa50 [ 3187.949609][ T74] ipv6_rcv+0x397/0x810 [ 3187.949609][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3187.949609][ T74] process_backlog+0x101/0x620 [ 3187.949609][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3187.949609][ T74] net_rx_action+0x495/0xbe0 [ 3187.949609][ T74] __do_softirq+0x1b5/0x7f6 [ 3187.949609][ T74] [ 3187.951237][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3187.951237][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3187.951237][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3187.951237][ T74] fib6_nh_init+0xa22/0x1580 [ 3187.951237][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3187.951237][ T74] ip6_route_add+0x1c/0x140 [ 3187.951237][ T74] inet6_rtm_newroute+0x104/0x110 [ 3187.951237][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3187.951237][ T74] netlink_rcv_skb+0x130/0x360 [ 3187.951237][ T74] netlink_unicast+0x449/0x710 [ 3187.951237][ T74] netlink_sendmsg+0x723/0xbe0 [ 3187.951237][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3187.951237][ T74] ___sys_sendmsg+0xee/0x170 [ 3187.951237][ T74] __sys_sendmsg+0xcd/0x170 [ 3187.951237][ T74] do_syscall_64+0xc6/0x1e0 [ 3187.951237][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3187.951237][ T74] [ 3187.953103][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3187.953103][ T74] netdev_get_by_index+0x5e/0x80 [ 3187.953103][ T74] fib6_nh_init+0x3d8/0x1580 [ 3187.953103][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3187.953103][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3187.953103][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3187.953103][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3187.953103][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3187.953103][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3187.953103][ T74] addrconf_dad_begin+0x310/0x670 [ 3187.953103][ T74] addrconf_dad_work+0x10b/0xab0 [ 3187.953103][ T74] process_one_work+0x84d/0x18a0 [ 3187.953103][ T74] worker_thread+0x587/0xd30 [ 3187.953103][ T74] kthread+0x28a/0x350 [ 3187.953103][ T74] ret_from_fork+0x31/0x70 [ 3187.953103][ T74] ret_from_fork_asm+0x1a/0x30 [ 3187.953103][ T74] [ 3187.955019][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3187.955019][ T74] netdev_get_by_index+0x5e/0x80 [ 3187.955019][ T74] fib6_nh_init+0x3d8/0x1580 [ 3187.955019][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3187.955019][ T74] ip6_route_add+0x1c/0x140 [ 3187.955019][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3187.955019][ T74] inet6_addr_add+0x4f8/0xa40 [ 3187.955019][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3187.955019][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3187.955019][ T74] netlink_rcv_skb+0x130/0x360 [ 3187.955019][ T74] netlink_unicast+0x449/0x710 [ 3187.955019][ T74] netlink_sendmsg+0x723/0xbe0 [ 3187.955019][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3187.955019][ T74] ___sys_sendmsg+0xee/0x170 [ 3187.955019][ T74] __sys_sendmsg+0xcd/0x170 [ 3187.955019][ T74] do_syscall_64+0xc6/0x1e0 [ 3187.955019][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3187.955019][ T74] [ 3187.957033][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3187.957033][ T74] netdev_get_by_index+0x5e/0x80 [ 3187.957033][ T74] fib6_nh_init+0x3d8/0x1580 [ 3187.957033][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3187.957033][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3187.957033][ T74] ipv6_add_addr+0x411/0x2000 [ 3187.957033][ T74] inet6_addr_add+0x30e/0xa40 [ 3187.957033][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3187.957033][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3187.957033][ T74] netlink_rcv_skb+0x130/0x360 [ 3187.957033][ T74] netlink_unicast+0x449/0x710 [ 3187.957033][ T74] netlink_sendmsg+0x723/0xbe0 [ 3187.957033][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3187.957033][ T74] ___sys_sendmsg+0xee/0x170 [ 3187.957033][ T74] __sys_sendmsg+0xcd/0x170 [ 3187.957033][ T74] do_syscall_64+0xc6/0x1e0 [ 3187.957033][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3187.957033][ T74] [ 3187.959032][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3187.959032][ T74] netdev_get_by_index+0x5e/0x80 [ 3187.959032][ T74] fib6_nh_init+0x3d8/0x1580 [ 3187.959032][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3187.959032][ T74] ip6_route_add+0x1c/0x140 [ 3187.959032][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3187.959032][ T74] addrconf_add_dev+0xe2/0x170 [ 3187.959032][ T74] inet6_addr_add+0x12f/0xa40 [ 3187.959032][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3187.959032][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3187.959032][ T74] netlink_rcv_skb+0x130/0x360 [ 3187.959032][ T74] netlink_unicast+0x449/0x710 [ 3187.959032][ T74] netlink_sendmsg+0x723/0xbe0 [ 3187.959032][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3187.959032][ T74] ___sys_sendmsg+0xee/0x170 [ 3187.959032][ T74] __sys_sendmsg+0xcd/0x170 [ 3187.959032][ T74] do_syscall_64+0xc6/0x1e0 [ 3187.959032][ T74] [ 3187.961003][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3187.961003][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3187.961003][ T74] ipv6_find_idev+0x102/0x170 [ 3187.961003][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3187.961003][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3187.961003][ T74] netlink_rcv_skb+0x130/0x360 [ 3187.961003][ T74] netlink_unicast+0x449/0x710 [ 3187.961003][ T74] netlink_sendmsg+0x723/0xbe0 [ 3187.961003][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3187.961003][ T74] ___sys_sendmsg+0xee/0x170 [ 3187.961003][ T74] __sys_sendmsg+0xcd/0x170 [ 3187.961003][ T74] do_syscall_64+0xc6/0x1e0 [ 3187.961003][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3187.961003][ T74] [ 3187.962661][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3187.962661][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3187.962661][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3187.962661][ T74] ipv6_find_idev+0x102/0x170 [ 3187.962661][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3187.962661][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3187.962661][ T74] netlink_rcv_skb+0x130/0x360 [ 3187.962661][ T74] netlink_unicast+0x449/0x710 [ 3187.962661][ T74] netlink_sendmsg+0x723/0xbe0 [ 3187.962661][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3187.962661][ T74] ___sys_sendmsg+0xee/0x170 [ 3187.962661][ T74] __sys_sendmsg+0xcd/0x170 [ 3187.962661][ T74] do_syscall_64+0xc6/0x1e0 [ 3187.962661][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3187.962661][ T74] [ 3187.964640][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3187.964884][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3187.964884][ T74] netdev_get_by_index+0x5e/0x80 [ 3187.964884][ T74] fib6_nh_init+0x3d8/0x1580 [ 3187.964884][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3187.964884][ T74] ip6_route_add+0x1c/0x140 [ 3187.964884][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3187.964884][ T74] inet6_addr_add+0x4f8/0xa40 [ 3187.964884][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3187.964884][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3187.964884][ T74] netlink_rcv_skb+0x130/0x360 [ 3187.964884][ T74] netlink_unicast+0x449/0x710 [ 3187.964884][ T74] netlink_sendmsg+0x723/0xbe0 [ 3187.964884][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3187.964884][ T74] ___sys_sendmsg+0xee/0x170 [ 3187.964884][ T74] __sys_sendmsg+0xcd/0x170 [ 3187.964884][ T74] do_syscall_64+0xc6/0x1e0 [ 3187.964884][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3187.964884][ T74] [ 3187.967123][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3187.967123][ T74] netdev_get_by_index+0x5e/0x80 [ 3187.967123][ T74] fib6_nh_init+0x3d8/0x1580 [ 3187.967123][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3187.967123][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3187.967123][ T74] ipv6_add_addr+0x411/0x2000 [ 3187.967123][ T74] inet6_addr_add+0x30e/0xa40 [ 3187.967123][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3187.967123][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3187.967123][ T74] netlink_rcv_skb+0x130/0x360 [ 3187.967123][ T74] netlink_unicast+0x449/0x710 [ 3187.967123][ T74] netlink_sendmsg+0x723/0xbe0 [ 3187.967123][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3187.967123][ T74] ___sys_sendmsg+0xee/0x170 [ 3187.967123][ T74] __sys_sendmsg+0xcd/0x170 [ 3187.967123][ T74] do_syscall_64+0xc6/0x1e0 [ 3187.967123][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3187.967123][ T74] [ 3187.969505][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3187.969505][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3187.969505][ T74] ipv6_find_idev+0x102/0x170 [ 3187.969505][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3187.969505][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3187.969505][ T74] netlink_rcv_skb+0x130/0x360 [ 3187.969505][ T74] netlink_unicast+0x449/0x710 [ 3187.969505][ T74] netlink_sendmsg+0x723/0xbe0 [ 3187.969505][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3187.969505][ T74] ___sys_sendmsg+0xee/0x170 [ 3187.969505][ T74] __sys_sendmsg+0xcd/0x170 [ 3187.969505][ T74] do_syscall_64+0xc6/0x1e0 [ 3187.969505][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3187.969505][ T74] [ 3187.971268][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3187.971268][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3187.971268][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3187.971268][ T74] ipv6_find_idev+0x102/0x170 [ 3187.971268][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3187.971268][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3187.971268][ T74] netlink_rcv_skb+0x130/0x360 [ 3187.971268][ T74] netlink_unicast+0x449/0x710 [ 3187.971268][ T74] netlink_sendmsg+0x723/0xbe0 [ 3187.971268][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3187.971268][ T74] ___sys_sendmsg+0xee/0x170 [ 3187.971268][ T74] __sys_sendmsg+0xcd/0x170 [ 3187.971268][ T74] do_syscall_64+0xc6/0x1e0 [ 3187.971268][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3187.971268][ T74] [ 3197.991973][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3197.992374][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3197.992374][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3197.992374][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3197.992374][ T74] fib6_nh_init+0xa22/0x1580 [ 3197.992374][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3197.992374][ T74] ip6_route_add+0x1c/0x140 [ 3197.992374][ T74] inet6_rtm_newroute+0x104/0x110 [ 3197.992374][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3197.992374][ T74] netlink_rcv_skb+0x130/0x360 [ 3197.992374][ T74] netlink_unicast+0x449/0x710 [ 3197.992374][ T74] netlink_sendmsg+0x723/0xbe0 [ 3197.992374][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3197.992374][ T74] ___sys_sendmsg+0xee/0x170 [ 3197.992374][ T74] __sys_sendmsg+0xcd/0x170 [ 3197.992374][ T74] do_syscall_64+0xc6/0x1e0 [ 3197.992374][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3197.992374][ T74] [ 3197.994343][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3197.994343][ T74] netdev_get_by_index+0x5e/0x80 [ 3197.994343][ T74] fib6_nh_init+0x3d8/0x1580 [ 3197.994343][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3197.994343][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3197.994343][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3197.994343][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3197.994343][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3197.994343][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3197.994343][ T74] addrconf_dad_begin+0x310/0x670 [ 3197.994343][ T74] addrconf_dad_work+0x10b/0xab0 [ 3197.994343][ T74] process_one_work+0x84d/0x18a0 [ 3197.994343][ T74] worker_thread+0x587/0xd30 [ 3197.994343][ T74] kthread+0x28a/0x350 [ 3197.994343][ T74] ret_from_fork+0x31/0x70 [ 3197.994343][ T74] ret_from_fork_asm+0x1a/0x30 [ 3197.994343][ T74] [ 3197.996264][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3197.996264][ T74] netdev_get_by_index+0x5e/0x80 [ 3197.996264][ T74] fib6_nh_init+0x3d8/0x1580 [ 3197.996264][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3197.996264][ T74] ip6_route_add+0x1c/0x140 [ 3197.996264][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3197.996264][ T74] inet6_addr_add+0x4f8/0xa40 [ 3197.996264][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3197.996264][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3197.996264][ T74] netlink_rcv_skb+0x130/0x360 [ 3197.996264][ T74] netlink_unicast+0x449/0x710 [ 3197.996264][ T74] netlink_sendmsg+0x723/0xbe0 [ 3197.996264][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3197.996264][ T74] ___sys_sendmsg+0xee/0x170 [ 3197.996264][ T74] __sys_sendmsg+0xcd/0x170 [ 3197.996264][ T74] do_syscall_64+0xc6/0x1e0 [ 3197.996264][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3197.996264][ T74] [ 3197.998382][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3197.998382][ T74] netdev_get_by_index+0x5e/0x80 [ 3197.998382][ T74] fib6_nh_init+0x3d8/0x1580 [ 3197.998382][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3197.998382][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3197.998382][ T74] ipv6_add_addr+0x411/0x2000 [ 3197.998382][ T74] inet6_addr_add+0x30e/0xa40 [ 3197.998382][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3197.998382][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3197.998382][ T74] netlink_rcv_skb+0x130/0x360 [ 3197.998382][ T74] netlink_unicast+0x449/0x710 [ 3197.998382][ T74] netlink_sendmsg+0x723/0xbe0 [ 3197.998382][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3197.998382][ T74] ___sys_sendmsg+0xee/0x170 [ 3197.998382][ T74] __sys_sendmsg+0xcd/0x170 [ 3197.998382][ T74] do_syscall_64+0xc6/0x1e0 [ 3197.998382][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3197.998382][ T74] [ 3198.000380][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3198.000380][ T74] netdev_get_by_index+0x5e/0x80 [ 3198.000380][ T74] fib6_nh_init+0x3d8/0x1580 [ 3198.000380][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3198.000380][ T74] ip6_route_add+0x1c/0x140 [ 3198.000380][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3198.000380][ T74] addrconf_add_dev+0xe2/0x170 [ 3198.000380][ T74] inet6_addr_add+0x12f/0xa40 [ 3198.000380][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3198.000380][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3198.000380][ T74] netlink_rcv_skb+0x130/0x360 [ 3198.000380][ T74] netlink_unicast+0x449/0x710 [ 3198.000380][ T74] netlink_sendmsg+0x723/0xbe0 [ 3198.000380][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3198.000380][ T74] ___sys_sendmsg+0xee/0x170 [ 3198.000380][ T74] __sys_sendmsg+0xcd/0x170 [ 3198.000380][ T74] do_syscall_64+0xc6/0x1e0 [ 3198.000380][ T74] [ 3198.002340][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3198.002340][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3198.002340][ T74] ipv6_find_idev+0x102/0x170 [ 3198.002340][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3198.002340][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3198.002340][ T74] netlink_rcv_skb+0x130/0x360 [ 3198.002340][ T74] netlink_unicast+0x449/0x710 [ 3198.002340][ T74] netlink_sendmsg+0x723/0xbe0 [ 3198.002340][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3198.002340][ T74] ___sys_sendmsg+0xee/0x170 [ 3198.002340][ T74] __sys_sendmsg+0xcd/0x170 [ 3198.002340][ T74] do_syscall_64+0xc6/0x1e0 [ 3198.002340][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3198.002340][ T74] [ 3198.003901][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3198.003901][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3198.003901][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3198.003901][ T74] ipv6_find_idev+0x102/0x170 [ 3198.003901][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3198.003901][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3198.003901][ T74] netlink_rcv_skb+0x130/0x360 [ 3198.003901][ T74] netlink_unicast+0x449/0x710 [ 3198.003901][ T74] netlink_sendmsg+0x723/0xbe0 [ 3198.003901][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3198.003901][ T74] ___sys_sendmsg+0xee/0x170 [ 3198.003901][ T74] __sys_sendmsg+0xcd/0x170 [ 3198.003901][ T74] do_syscall_64+0xc6/0x1e0 [ 3198.003901][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3198.003901][ T74] [ 3198.005593][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3198.005869][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3198.005869][ T74] dst_init+0x84/0x4a0 [ 3198.005869][ T74] dst_alloc+0x97/0x150 [ 3198.005869][ T74] ip6_dst_alloc+0x23/0x90 [ 3198.005869][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3198.005869][ T74] ip6_pol_route+0x56f/0x840 [ 3198.005869][ T74] fib6_rule_lookup+0x456/0x630 [ 3198.005869][ T74] ip6_route_input+0x59c/0xa50 [ 3198.005869][ T74] ipv6_rcv+0x397/0x810 [ 3198.005869][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3198.005869][ T74] process_backlog+0x101/0x620 [ 3198.005869][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3198.005869][ T74] net_rx_action+0x495/0xbe0 [ 3198.005869][ T74] __do_softirq+0x1b5/0x7f6 [ 3198.005869][ T74] [ 3198.007497][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3198.007497][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3198.007497][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3198.007497][ T74] fib6_nh_init+0xa22/0x1580 [ 3198.007497][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3198.007497][ T74] ip6_route_add+0x1c/0x140 [ 3198.007497][ T74] inet6_rtm_newroute+0x104/0x110 [ 3198.007497][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3198.007497][ T74] netlink_rcv_skb+0x130/0x360 [ 3198.007497][ T74] netlink_unicast+0x449/0x710 [ 3198.007497][ T74] netlink_sendmsg+0x723/0xbe0 [ 3198.007497][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3198.007497][ T74] ___sys_sendmsg+0xee/0x170 [ 3198.007497][ T74] __sys_sendmsg+0xcd/0x170 [ 3198.007497][ T74] do_syscall_64+0xc6/0x1e0 [ 3198.007497][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3198.007497][ T74] [ 3198.009373][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3198.009373][ T74] netdev_get_by_index+0x5e/0x80 [ 3198.009373][ T74] fib6_nh_init+0x3d8/0x1580 [ 3198.009373][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3198.009373][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3198.009373][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3198.009373][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3198.009373][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3198.009373][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3198.009373][ T74] addrconf_dad_begin+0x310/0x670 [ 3198.009373][ T74] addrconf_dad_work+0x10b/0xab0 [ 3198.009373][ T74] process_one_work+0x84d/0x18a0 [ 3198.009373][ T74] worker_thread+0x587/0xd30 [ 3198.009373][ T74] kthread+0x28a/0x350 [ 3198.009373][ T74] ret_from_fork+0x31/0x70 [ 3198.009373][ T74] ret_from_fork_asm+0x1a/0x30 [ 3198.009373][ T74] [ 3198.011268][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3198.011268][ T74] netdev_get_by_index+0x5e/0x80 [ 3198.011268][ T74] fib6_nh_init+0x3d8/0x1580 [ 3198.011268][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3198.011268][ T74] ip6_route_add+0x1c/0x140 [ 3198.011268][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3198.011268][ T74] inet6_addr_add+0x4f8/0xa40 [ 3198.011268][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3198.011268][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3198.011268][ T74] netlink_rcv_skb+0x130/0x360 [ 3198.011268][ T74] netlink_unicast+0x449/0x710 [ 3198.011268][ T74] netlink_sendmsg+0x723/0xbe0 [ 3198.011268][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3198.011268][ T74] ___sys_sendmsg+0xee/0x170 [ 3198.011268][ T74] __sys_sendmsg+0xcd/0x170 [ 3198.011268][ T74] do_syscall_64+0xc6/0x1e0 [ 3198.011268][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3198.011268][ T74] [ 3198.013261][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3198.013261][ T74] netdev_get_by_index+0x5e/0x80 [ 3198.013261][ T74] fib6_nh_init+0x3d8/0x1580 [ 3198.013261][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3198.013261][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3198.013261][ T74] ipv6_add_addr+0x411/0x2000 [ 3198.013261][ T74] inet6_addr_add+0x30e/0xa40 [ 3198.013261][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3198.013261][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3198.013261][ T74] netlink_rcv_skb+0x130/0x360 [ 3198.013261][ T74] netlink_unicast+0x449/0x710 [ 3198.013261][ T74] netlink_sendmsg+0x723/0xbe0 [ 3198.013261][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3198.013261][ T74] ___sys_sendmsg+0xee/0x170 [ 3198.013261][ T74] __sys_sendmsg+0xcd/0x170 [ 3198.013261][ T74] do_syscall_64+0xc6/0x1e0 [ 3198.013261][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3198.013261][ T74] [ 3198.015248][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3198.015248][ T74] netdev_get_by_index+0x5e/0x80 [ 3198.015248][ T74] fib6_nh_init+0x3d8/0x1580 [ 3198.015248][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3198.015248][ T74] ip6_route_add+0x1c/0x140 [ 3198.015248][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3198.015248][ T74] addrconf_add_dev+0xe2/0x170 [ 3198.015248][ T74] inet6_addr_add+0x12f/0xa40 [ 3198.015248][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3198.015248][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3198.015248][ T74] netlink_rcv_skb+0x130/0x360 [ 3198.015248][ T74] netlink_unicast+0x449/0x710 [ 3198.015248][ T74] netlink_sendmsg+0x723/0xbe0 [ 3198.015248][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3198.015248][ T74] ___sys_sendmsg+0xee/0x170 [ 3198.015248][ T74] __sys_sendmsg+0xcd/0x170 [ 3198.015248][ T74] do_syscall_64+0xc6/0x1e0 [ 3198.015248][ T74] [ 3198.017191][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3198.017191][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3198.017191][ T74] ipv6_find_idev+0x102/0x170 [ 3198.017191][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3198.017191][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3198.017191][ T74] netlink_rcv_skb+0x130/0x360 [ 3198.017191][ T74] netlink_unicast+0x449/0x710 [ 3198.017191][ T74] netlink_sendmsg+0x723/0xbe0 [ 3198.017191][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3198.017191][ T74] ___sys_sendmsg+0xee/0x170 [ 3198.017191][ T74] __sys_sendmsg+0xcd/0x170 [ 3198.017191][ T74] do_syscall_64+0xc6/0x1e0 [ 3198.017191][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3198.017191][ T74] [ 3198.018838][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3198.018838][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3198.018838][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3198.018838][ T74] ipv6_find_idev+0x102/0x170 [ 3198.018838][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3198.018838][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3198.018838][ T74] netlink_rcv_skb+0x130/0x360 [ 3198.018838][ T74] netlink_unicast+0x449/0x710 [ 3198.018838][ T74] netlink_sendmsg+0x723/0xbe0 [ 3198.018838][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3198.018838][ T74] ___sys_sendmsg+0xee/0x170 [ 3198.018838][ T74] __sys_sendmsg+0xcd/0x170 [ 3198.018838][ T74] do_syscall_64+0xc6/0x1e0 [ 3198.018838][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3198.018838][ T74] [ 3198.020808][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3198.021053][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3198.021053][ T74] netdev_get_by_index+0x5e/0x80 [ 3198.021053][ T74] fib6_nh_init+0x3d8/0x1580 [ 3198.021053][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3198.021053][ T74] ip6_route_add+0x1c/0x140 [ 3198.021053][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3198.021053][ T74] inet6_addr_add+0x4f8/0xa40 [ 3198.021053][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3198.021053][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3198.021053][ T74] netlink_rcv_skb+0x130/0x360 [ 3198.021053][ T74] netlink_unicast+0x449/0x710 [ 3198.021053][ T74] netlink_sendmsg+0x723/0xbe0 [ 3198.021053][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3198.021053][ T74] ___sys_sendmsg+0xee/0x170 [ 3198.021053][ T74] __sys_sendmsg+0xcd/0x170 [ 3198.021053][ T74] do_syscall_64+0xc6/0x1e0 [ 3198.021053][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3198.021053][ T74] [ 3198.023288][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3198.023288][ T74] netdev_get_by_index+0x5e/0x80 [ 3198.023288][ T74] fib6_nh_init+0x3d8/0x1580 [ 3198.023288][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3198.023288][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3198.023288][ T74] ipv6_add_addr+0x411/0x2000 [ 3198.023288][ T74] inet6_addr_add+0x30e/0xa40 [ 3198.023288][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3198.023288][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3198.023288][ T74] netlink_rcv_skb+0x130/0x360 [ 3198.023288][ T74] netlink_unicast+0x449/0x710 [ 3198.023288][ T74] netlink_sendmsg+0x723/0xbe0 [ 3198.023288][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3198.023288][ T74] ___sys_sendmsg+0xee/0x170 [ 3198.023288][ T74] __sys_sendmsg+0xcd/0x170 [ 3198.023288][ T74] do_syscall_64+0xc6/0x1e0 [ 3198.023288][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3198.023288][ T74] [ 3198.025512][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3198.025512][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3198.025512][ T74] ipv6_find_idev+0x102/0x170 [ 3198.025512][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3198.025512][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3198.025512][ T74] netlink_rcv_skb+0x130/0x360 [ 3198.025512][ T74] netlink_unicast+0x449/0x710 [ 3198.025512][ T74] netlink_sendmsg+0x723/0xbe0 [ 3198.025512][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3198.025512][ T74] ___sys_sendmsg+0xee/0x170 [ 3198.025512][ T74] __sys_sendmsg+0xcd/0x170 [ 3198.025512][ T74] do_syscall_64+0xc6/0x1e0 [ 3198.025512][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3198.025512][ T74] [ 3198.027157][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3198.027157][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3198.027157][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3198.027157][ T74] ipv6_find_idev+0x102/0x170 [ 3198.027157][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3198.027157][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3198.027157][ T74] netlink_rcv_skb+0x130/0x360 [ 3198.027157][ T74] netlink_unicast+0x449/0x710 [ 3198.027157][ T74] netlink_sendmsg+0x723/0xbe0 [ 3198.027157][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3198.027157][ T74] ___sys_sendmsg+0xee/0x170 [ 3198.027157][ T74] __sys_sendmsg+0xcd/0x170 [ 3198.027157][ T74] do_syscall_64+0xc6/0x1e0 [ 3198.027157][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3198.027157][ T74] [ 3208.057518][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3208.057970][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3208.057970][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3208.057970][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3208.057970][ T74] fib6_nh_init+0xa22/0x1580 [ 3208.057970][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3208.057970][ T74] ip6_route_add+0x1c/0x140 [ 3208.057970][ T74] inet6_rtm_newroute+0x104/0x110 [ 3208.057970][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3208.057970][ T74] netlink_rcv_skb+0x130/0x360 [ 3208.057970][ T74] netlink_unicast+0x449/0x710 [ 3208.057970][ T74] netlink_sendmsg+0x723/0xbe0 [ 3208.057970][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3208.057970][ T74] ___sys_sendmsg+0xee/0x170 [ 3208.057970][ T74] __sys_sendmsg+0xcd/0x170 [ 3208.057970][ T74] do_syscall_64+0xc6/0x1e0 [ 3208.057970][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3208.057970][ T74] [ 3208.059894][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3208.059894][ T74] netdev_get_by_index+0x5e/0x80 [ 3208.059894][ T74] fib6_nh_init+0x3d8/0x1580 [ 3208.059894][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3208.059894][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3208.059894][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3208.059894][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3208.059894][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3208.059894][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3208.059894][ T74] addrconf_dad_begin+0x310/0x670 [ 3208.059894][ T74] addrconf_dad_work+0x10b/0xab0 [ 3208.059894][ T74] process_one_work+0x84d/0x18a0 [ 3208.059894][ T74] worker_thread+0x587/0xd30 [ 3208.059894][ T74] kthread+0x28a/0x350 [ 3208.059894][ T74] ret_from_fork+0x31/0x70 [ 3208.059894][ T74] ret_from_fork_asm+0x1a/0x30 [ 3208.059894][ T74] [ 3208.061798][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3208.061798][ T74] netdev_get_by_index+0x5e/0x80 [ 3208.061798][ T74] fib6_nh_init+0x3d8/0x1580 [ 3208.061798][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3208.061798][ T74] ip6_route_add+0x1c/0x140 [ 3208.061798][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3208.061798][ T74] inet6_addr_add+0x4f8/0xa40 [ 3208.061798][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3208.061798][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3208.061798][ T74] netlink_rcv_skb+0x130/0x360 [ 3208.061798][ T74] netlink_unicast+0x449/0x710 [ 3208.061798][ T74] netlink_sendmsg+0x723/0xbe0 [ 3208.061798][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3208.061798][ T74] ___sys_sendmsg+0xee/0x170 [ 3208.061798][ T74] __sys_sendmsg+0xcd/0x170 [ 3208.061798][ T74] do_syscall_64+0xc6/0x1e0 [ 3208.061798][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3208.061798][ T74] [ 3208.063809][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3208.063809][ T74] netdev_get_by_index+0x5e/0x80 [ 3208.063809][ T74] fib6_nh_init+0x3d8/0x1580 [ 3208.063809][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3208.063809][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3208.063809][ T74] ipv6_add_addr+0x411/0x2000 [ 3208.063809][ T74] inet6_addr_add+0x30e/0xa40 [ 3208.063809][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3208.063809][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3208.063809][ T74] netlink_rcv_skb+0x130/0x360 [ 3208.063809][ T74] netlink_unicast+0x449/0x710 [ 3208.063809][ T74] netlink_sendmsg+0x723/0xbe0 [ 3208.063809][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3208.063809][ T74] ___sys_sendmsg+0xee/0x170 [ 3208.063809][ T74] __sys_sendmsg+0xcd/0x170 [ 3208.063809][ T74] do_syscall_64+0xc6/0x1e0 [ 3208.063809][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3208.063809][ T74] [ 3208.065802][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3208.065802][ T74] netdev_get_by_index+0x5e/0x80 [ 3208.065802][ T74] fib6_nh_init+0x3d8/0x1580 [ 3208.065802][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3208.065802][ T74] ip6_route_add+0x1c/0x140 [ 3208.065802][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3208.065802][ T74] addrconf_add_dev+0xe2/0x170 [ 3208.065802][ T74] inet6_addr_add+0x12f/0xa40 [ 3208.065802][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3208.065802][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3208.065802][ T74] netlink_rcv_skb+0x130/0x360 [ 3208.065802][ T74] netlink_unicast+0x449/0x710 [ 3208.065802][ T74] netlink_sendmsg+0x723/0xbe0 [ 3208.065802][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3208.065802][ T74] ___sys_sendmsg+0xee/0x170 [ 3208.065802][ T74] __sys_sendmsg+0xcd/0x170 [ 3208.065802][ T74] do_syscall_64+0xc6/0x1e0 [ 3208.065802][ T74] [ 3208.067757][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3208.067757][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3208.067757][ T74] ipv6_find_idev+0x102/0x170 [ 3208.067757][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3208.067757][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3208.067757][ T74] netlink_rcv_skb+0x130/0x360 [ 3208.067757][ T74] netlink_unicast+0x449/0x710 [ 3208.067757][ T74] netlink_sendmsg+0x723/0xbe0 [ 3208.067757][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3208.067757][ T74] ___sys_sendmsg+0xee/0x170 [ 3208.067757][ T74] __sys_sendmsg+0xcd/0x170 [ 3208.067757][ T74] do_syscall_64+0xc6/0x1e0 [ 3208.067757][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3208.067757][ T74] [ 3208.069289][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3208.069289][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3208.069289][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3208.069289][ T74] ipv6_find_idev+0x102/0x170 [ 3208.069289][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3208.069289][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3208.069289][ T74] netlink_rcv_skb+0x130/0x360 [ 3208.069289][ T74] netlink_unicast+0x449/0x710 [ 3208.069289][ T74] netlink_sendmsg+0x723/0xbe0 [ 3208.069289][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3208.069289][ T74] ___sys_sendmsg+0xee/0x170 [ 3208.069289][ T74] __sys_sendmsg+0xcd/0x170 [ 3208.069289][ T74] do_syscall_64+0xc6/0x1e0 [ 3208.069289][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3208.069289][ T74] [ 3208.070976][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3208.071248][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3208.071248][ T74] dst_init+0x84/0x4a0 [ 3208.071248][ T74] dst_alloc+0x97/0x150 [ 3208.071248][ T74] ip6_dst_alloc+0x23/0x90 [ 3208.071248][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3208.071248][ T74] ip6_pol_route+0x56f/0x840 [ 3208.071248][ T74] fib6_rule_lookup+0x456/0x630 [ 3208.071248][ T74] ip6_route_input+0x59c/0xa50 [ 3208.071248][ T74] ipv6_rcv+0x397/0x810 [ 3208.071248][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3208.071248][ T74] process_backlog+0x101/0x620 [ 3208.071248][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3208.071248][ T74] net_rx_action+0x495/0xbe0 [ 3208.071248][ T74] __do_softirq+0x1b5/0x7f6 [ 3208.071248][ T74] [ 3208.072885][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3208.072885][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3208.072885][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3208.072885][ T74] fib6_nh_init+0xa22/0x1580 [ 3208.072885][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3208.072885][ T74] ip6_route_add+0x1c/0x140 [ 3208.072885][ T74] inet6_rtm_newroute+0x104/0x110 [ 3208.072885][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3208.072885][ T74] netlink_rcv_skb+0x130/0x360 [ 3208.072885][ T74] netlink_unicast+0x449/0x710 [ 3208.072885][ T74] netlink_sendmsg+0x723/0xbe0 [ 3208.072885][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3208.072885][ T74] ___sys_sendmsg+0xee/0x170 [ 3208.072885][ T74] __sys_sendmsg+0xcd/0x170 [ 3208.072885][ T74] do_syscall_64+0xc6/0x1e0 [ 3208.072885][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3208.072885][ T74] [ 3208.074782][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3208.074782][ T74] netdev_get_by_index+0x5e/0x80 [ 3208.074782][ T74] fib6_nh_init+0x3d8/0x1580 [ 3208.074782][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3208.074782][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3208.074782][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3208.074782][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3208.074782][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3208.074782][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3208.074782][ T74] addrconf_dad_begin+0x310/0x670 [ 3208.074782][ T74] addrconf_dad_work+0x10b/0xab0 [ 3208.074782][ T74] process_one_work+0x84d/0x18a0 [ 3208.074782][ T74] worker_thread+0x587/0xd30 [ 3208.074782][ T74] kthread+0x28a/0x350 [ 3208.074782][ T74] ret_from_fork+0x31/0x70 [ 3208.074782][ T74] ret_from_fork_asm+0x1a/0x30 [ 3208.074782][ T74] [ 3208.076676][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3208.076676][ T74] netdev_get_by_index+0x5e/0x80 [ 3208.076676][ T74] fib6_nh_init+0x3d8/0x1580 [ 3208.076676][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3208.076676][ T74] ip6_route_add+0x1c/0x140 [ 3208.076676][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3208.076676][ T74] inet6_addr_add+0x4f8/0xa40 [ 3208.076676][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3208.076676][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3208.076676][ T74] netlink_rcv_skb+0x130/0x360 [ 3208.076676][ T74] netlink_unicast+0x449/0x710 [ 3208.076676][ T74] netlink_sendmsg+0x723/0xbe0 [ 3208.076676][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3208.076676][ T74] ___sys_sendmsg+0xee/0x170 [ 3208.076676][ T74] __sys_sendmsg+0xcd/0x170 [ 3208.076676][ T74] do_syscall_64+0xc6/0x1e0 [ 3208.076676][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3208.076676][ T74] [ 3208.078669][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3208.078669][ T74] netdev_get_by_index+0x5e/0x80 [ 3208.078669][ T74] fib6_nh_init+0x3d8/0x1580 [ 3208.078669][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3208.078669][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3208.078669][ T74] ipv6_add_addr+0x411/0x2000 [ 3208.078669][ T74] inet6_addr_add+0x30e/0xa40 [ 3208.078669][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3208.078669][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3208.078669][ T74] netlink_rcv_skb+0x130/0x360 [ 3208.078669][ T74] netlink_unicast+0x449/0x710 [ 3208.078669][ T74] netlink_sendmsg+0x723/0xbe0 [ 3208.078669][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3208.078669][ T74] ___sys_sendmsg+0xee/0x170 [ 3208.078669][ T74] __sys_sendmsg+0xcd/0x170 [ 3208.078669][ T74] do_syscall_64+0xc6/0x1e0 [ 3208.078669][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3208.078669][ T74] [ 3208.080662][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3208.080662][ T74] netdev_get_by_index+0x5e/0x80 [ 3208.080662][ T74] fib6_nh_init+0x3d8/0x1580 [ 3208.080662][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3208.080662][ T74] ip6_route_add+0x1c/0x140 [ 3208.080662][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3208.080662][ T74] addrconf_add_dev+0xe2/0x170 [ 3208.080662][ T74] inet6_addr_add+0x12f/0xa40 [ 3208.080662][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3208.080662][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3208.080662][ T74] netlink_rcv_skb+0x130/0x360 [ 3208.080662][ T74] netlink_unicast+0x449/0x710 [ 3208.080662][ T74] netlink_sendmsg+0x723/0xbe0 [ 3208.080662][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3208.080662][ T74] ___sys_sendmsg+0xee/0x170 [ 3208.080662][ T74] __sys_sendmsg+0xcd/0x170 [ 3208.080662][ T74] do_syscall_64+0xc6/0x1e0 [ 3208.080662][ T74] [ 3208.082606][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3208.082606][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3208.082606][ T74] ipv6_find_idev+0x102/0x170 [ 3208.082606][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3208.082606][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3208.082606][ T74] netlink_rcv_skb+0x130/0x360 [ 3208.082606][ T74] netlink_unicast+0x449/0x710 [ 3208.082606][ T74] netlink_sendmsg+0x723/0xbe0 [ 3208.082606][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3208.082606][ T74] ___sys_sendmsg+0xee/0x170 [ 3208.082606][ T74] __sys_sendmsg+0xcd/0x170 [ 3208.082606][ T74] do_syscall_64+0xc6/0x1e0 [ 3208.082606][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3208.082606][ T74] [ 3208.084284][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3208.084284][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3208.084284][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3208.084284][ T74] ipv6_find_idev+0x102/0x170 [ 3208.084284][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3208.084284][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3208.084284][ T74] netlink_rcv_skb+0x130/0x360 [ 3208.084284][ T74] netlink_unicast+0x449/0x710 [ 3208.084284][ T74] netlink_sendmsg+0x723/0xbe0 [ 3208.084284][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3208.084284][ T74] ___sys_sendmsg+0xee/0x170 [ 3208.084284][ T74] __sys_sendmsg+0xcd/0x170 [ 3208.084284][ T74] do_syscall_64+0xc6/0x1e0 [ 3208.084284][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3208.084284][ T74] [ 3208.086248][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3208.086485][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3208.086485][ T74] netdev_get_by_index+0x5e/0x80 [ 3208.086485][ T74] fib6_nh_init+0x3d8/0x1580 [ 3208.086485][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3208.086485][ T74] ip6_route_add+0x1c/0x140 [ 3208.086485][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3208.086485][ T74] inet6_addr_add+0x4f8/0xa40 [ 3208.086485][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3208.086485][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3208.086485][ T74] netlink_rcv_skb+0x130/0x360 [ 3208.086485][ T74] netlink_unicast+0x449/0x710 [ 3208.086485][ T74] netlink_sendmsg+0x723/0xbe0 [ 3208.086485][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3208.086485][ T74] ___sys_sendmsg+0xee/0x170 [ 3208.086485][ T74] __sys_sendmsg+0xcd/0x170 [ 3208.086485][ T74] do_syscall_64+0xc6/0x1e0 [ 3208.086485][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3208.086485][ T74] [ 3208.088709][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3208.088709][ T74] netdev_get_by_index+0x5e/0x80 [ 3208.088709][ T74] fib6_nh_init+0x3d8/0x1580 [ 3208.088709][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3208.088709][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3208.088709][ T74] ipv6_add_addr+0x411/0x2000 [ 3208.088709][ T74] inet6_addr_add+0x30e/0xa40 [ 3208.088709][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3208.088709][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3208.088709][ T74] netlink_rcv_skb+0x130/0x360 [ 3208.088709][ T74] netlink_unicast+0x449/0x710 [ 3208.088709][ T74] netlink_sendmsg+0x723/0xbe0 [ 3208.088709][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3208.088709][ T74] ___sys_sendmsg+0xee/0x170 [ 3208.088709][ T74] __sys_sendmsg+0xcd/0x170 [ 3208.088709][ T74] do_syscall_64+0xc6/0x1e0 [ 3208.088709][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3208.088709][ T74] [ 3208.090934][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3208.090934][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3208.090934][ T74] ipv6_find_idev+0x102/0x170 [ 3208.090934][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3208.090934][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3208.090934][ T74] netlink_rcv_skb+0x130/0x360 [ 3208.090934][ T74] netlink_unicast+0x449/0x710 [ 3208.090934][ T74] netlink_sendmsg+0x723/0xbe0 [ 3208.090934][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3208.090934][ T74] ___sys_sendmsg+0xee/0x170 [ 3208.090934][ T74] __sys_sendmsg+0xcd/0x170 [ 3208.090934][ T74] do_syscall_64+0xc6/0x1e0 [ 3208.090934][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3208.090934][ T74] [ 3208.092521][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3208.092521][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3208.092521][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3208.092521][ T74] ipv6_find_idev+0x102/0x170 [ 3208.092521][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3208.092521][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3208.092521][ T74] netlink_rcv_skb+0x130/0x360 [ 3208.092521][ T74] netlink_unicast+0x449/0x710 [ 3208.092521][ T74] netlink_sendmsg+0x723/0xbe0 [ 3208.092521][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3208.092521][ T74] ___sys_sendmsg+0xee/0x170 [ 3208.092521][ T74] __sys_sendmsg+0xcd/0x170 [ 3208.092521][ T74] do_syscall_64+0xc6/0x1e0 [ 3208.092521][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3208.092521][ T74] [ 3218.345492][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3218.345948][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3218.345948][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3218.345948][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3218.345948][ T74] fib6_nh_init+0xa22/0x1580 [ 3218.345948][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3218.345948][ T74] ip6_route_add+0x1c/0x140 [ 3218.345948][ T74] inet6_rtm_newroute+0x104/0x110 [ 3218.345948][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3218.345948][ T74] netlink_rcv_skb+0x130/0x360 [ 3218.345948][ T74] netlink_unicast+0x449/0x710 [ 3218.345948][ T74] netlink_sendmsg+0x723/0xbe0 [ 3218.345948][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3218.345948][ T74] ___sys_sendmsg+0xee/0x170 [ 3218.345948][ T74] __sys_sendmsg+0xcd/0x170 [ 3218.345948][ T74] do_syscall_64+0xc6/0x1e0 [ 3218.345948][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3218.345948][ T74] [ 3218.347836][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3218.347836][ T74] netdev_get_by_index+0x5e/0x80 [ 3218.347836][ T74] fib6_nh_init+0x3d8/0x1580 [ 3218.347836][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3218.347836][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3218.347836][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3218.347836][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3218.347836][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3218.347836][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3218.347836][ T74] addrconf_dad_begin+0x310/0x670 [ 3218.347836][ T74] addrconf_dad_work+0x10b/0xab0 [ 3218.347836][ T74] process_one_work+0x84d/0x18a0 [ 3218.347836][ T74] worker_thread+0x587/0xd30 [ 3218.347836][ T74] kthread+0x28a/0x350 [ 3218.347836][ T74] ret_from_fork+0x31/0x70 [ 3218.347836][ T74] ret_from_fork_asm+0x1a/0x30 [ 3218.347836][ T74] [ 3218.349728][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3218.349728][ T74] netdev_get_by_index+0x5e/0x80 [ 3218.349728][ T74] fib6_nh_init+0x3d8/0x1580 [ 3218.349728][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3218.349728][ T74] ip6_route_add+0x1c/0x140 [ 3218.349728][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3218.349728][ T74] inet6_addr_add+0x4f8/0xa40 [ 3218.349728][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3218.349728][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3218.349728][ T74] netlink_rcv_skb+0x130/0x360 [ 3218.349728][ T74] netlink_unicast+0x449/0x710 [ 3218.349728][ T74] netlink_sendmsg+0x723/0xbe0 [ 3218.349728][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3218.349728][ T74] ___sys_sendmsg+0xee/0x170 [ 3218.349728][ T74] __sys_sendmsg+0xcd/0x170 [ 3218.349728][ T74] do_syscall_64+0xc6/0x1e0 [ 3218.349728][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3218.349728][ T74] [ 3218.351709][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3218.351709][ T74] netdev_get_by_index+0x5e/0x80 [ 3218.351709][ T74] fib6_nh_init+0x3d8/0x1580 [ 3218.351709][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3218.351709][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3218.351709][ T74] ipv6_add_addr+0x411/0x2000 [ 3218.351709][ T74] inet6_addr_add+0x30e/0xa40 [ 3218.351709][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3218.351709][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3218.351709][ T74] netlink_rcv_skb+0x130/0x360 [ 3218.351709][ T74] netlink_unicast+0x449/0x710 [ 3218.351709][ T74] netlink_sendmsg+0x723/0xbe0 [ 3218.351709][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3218.351709][ T74] ___sys_sendmsg+0xee/0x170 [ 3218.351709][ T74] __sys_sendmsg+0xcd/0x170 [ 3218.351709][ T74] do_syscall_64+0xc6/0x1e0 [ 3218.351709][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3218.351709][ T74] [ 3218.353705][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3218.353705][ T74] netdev_get_by_index+0x5e/0x80 [ 3218.353705][ T74] fib6_nh_init+0x3d8/0x1580 [ 3218.353705][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3218.353705][ T74] ip6_route_add+0x1c/0x140 [ 3218.353705][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3218.353705][ T74] addrconf_add_dev+0xe2/0x170 [ 3218.353705][ T74] inet6_addr_add+0x12f/0xa40 [ 3218.353705][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3218.353705][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3218.353705][ T74] netlink_rcv_skb+0x130/0x360 [ 3218.353705][ T74] netlink_unicast+0x449/0x710 [ 3218.353705][ T74] netlink_sendmsg+0x723/0xbe0 [ 3218.353705][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3218.353705][ T74] ___sys_sendmsg+0xee/0x170 [ 3218.353705][ T74] __sys_sendmsg+0xcd/0x170 [ 3218.353705][ T74] do_syscall_64+0xc6/0x1e0 [ 3218.353705][ T74] [ 3218.355651][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3218.355651][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3218.355651][ T74] ipv6_find_idev+0x102/0x170 [ 3218.355651][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3218.355651][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3218.355651][ T74] netlink_rcv_skb+0x130/0x360 [ 3218.355651][ T74] netlink_unicast+0x449/0x710 [ 3218.355651][ T74] netlink_sendmsg+0x723/0xbe0 [ 3218.355651][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3218.355651][ T74] ___sys_sendmsg+0xee/0x170 [ 3218.355651][ T74] __sys_sendmsg+0xcd/0x170 [ 3218.355651][ T74] do_syscall_64+0xc6/0x1e0 [ 3218.355651][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3218.355651][ T74] [ 3218.357177][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3218.357177][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3218.357177][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3218.357177][ T74] ipv6_find_idev+0x102/0x170 [ 3218.357177][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3218.357177][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3218.357177][ T74] netlink_rcv_skb+0x130/0x360 [ 3218.357177][ T74] netlink_unicast+0x449/0x710 [ 3218.357177][ T74] netlink_sendmsg+0x723/0xbe0 [ 3218.357177][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3218.357177][ T74] ___sys_sendmsg+0xee/0x170 [ 3218.357177][ T74] __sys_sendmsg+0xcd/0x170 [ 3218.357177][ T74] do_syscall_64+0xc6/0x1e0 [ 3218.357177][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3218.357177][ T74] [ 3218.358864][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3218.359136][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3218.359136][ T74] dst_init+0x84/0x4a0 [ 3218.359136][ T74] dst_alloc+0x97/0x150 [ 3218.359136][ T74] ip6_dst_alloc+0x23/0x90 [ 3218.359136][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3218.359136][ T74] ip6_pol_route+0x56f/0x840 [ 3218.359136][ T74] fib6_rule_lookup+0x456/0x630 [ 3218.359136][ T74] ip6_route_input+0x59c/0xa50 [ 3218.359136][ T74] ipv6_rcv+0x397/0x810 [ 3218.359136][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3218.359136][ T74] process_backlog+0x101/0x620 [ 3218.359136][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3218.359136][ T74] net_rx_action+0x495/0xbe0 [ 3218.359136][ T74] __do_softirq+0x1b5/0x7f6 [ 3218.359136][ T74] [ 3218.360776][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3218.360776][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3218.360776][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3218.360776][ T74] fib6_nh_init+0xa22/0x1580 [ 3218.360776][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3218.360776][ T74] ip6_route_add+0x1c/0x140 [ 3218.360776][ T74] inet6_rtm_newroute+0x104/0x110 [ 3218.360776][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3218.360776][ T74] netlink_rcv_skb+0x130/0x360 [ 3218.360776][ T74] netlink_unicast+0x449/0x710 [ 3218.360776][ T74] netlink_sendmsg+0x723/0xbe0 [ 3218.360776][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3218.360776][ T74] ___sys_sendmsg+0xee/0x170 [ 3218.360776][ T74] __sys_sendmsg+0xcd/0x170 [ 3218.360776][ T74] do_syscall_64+0xc6/0x1e0 [ 3218.360776][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3218.360776][ T74] [ 3218.362641][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3218.362641][ T74] netdev_get_by_index+0x5e/0x80 [ 3218.362641][ T74] fib6_nh_init+0x3d8/0x1580 [ 3218.362641][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3218.362641][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3218.362641][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3218.362641][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3218.362641][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3218.362641][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3218.362641][ T74] addrconf_dad_begin+0x310/0x670 [ 3218.362641][ T74] addrconf_dad_work+0x10b/0xab0 [ 3218.362641][ T74] process_one_work+0x84d/0x18a0 [ 3218.362641][ T74] worker_thread+0x587/0xd30 [ 3218.362641][ T74] kthread+0x28a/0x350 [ 3218.362641][ T74] ret_from_fork+0x31/0x70 [ 3218.362641][ T74] ret_from_fork_asm+0x1a/0x30 [ 3218.362641][ T74] [ 3218.364539][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3218.364539][ T74] netdev_get_by_index+0x5e/0x80 [ 3218.364539][ T74] fib6_nh_init+0x3d8/0x1580 [ 3218.364539][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3218.364539][ T74] ip6_route_add+0x1c/0x140 [ 3218.364539][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3218.364539][ T74] inet6_addr_add+0x4f8/0xa40 [ 3218.364539][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3218.364539][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3218.364539][ T74] netlink_rcv_skb+0x130/0x360 [ 3218.364539][ T74] netlink_unicast+0x449/0x710 [ 3218.364539][ T74] netlink_sendmsg+0x723/0xbe0 [ 3218.364539][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3218.364539][ T74] ___sys_sendmsg+0xee/0x170 [ 3218.364539][ T74] __sys_sendmsg+0xcd/0x170 [ 3218.364539][ T74] do_syscall_64+0xc6/0x1e0 [ 3218.364539][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3218.364539][ T74] [ 3218.366541][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3218.366541][ T74] netdev_get_by_index+0x5e/0x80 [ 3218.366541][ T74] fib6_nh_init+0x3d8/0x1580 [ 3218.366541][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3218.366541][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3218.366541][ T74] ipv6_add_addr+0x411/0x2000 [ 3218.366541][ T74] inet6_addr_add+0x30e/0xa40 [ 3218.366541][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3218.366541][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3218.366541][ T74] netlink_rcv_skb+0x130/0x360 [ 3218.366541][ T74] netlink_unicast+0x449/0x710 [ 3218.366541][ T74] netlink_sendmsg+0x723/0xbe0 [ 3218.366541][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3218.366541][ T74] ___sys_sendmsg+0xee/0x170 [ 3218.366541][ T74] __sys_sendmsg+0xcd/0x170 [ 3218.366541][ T74] do_syscall_64+0xc6/0x1e0 [ 3218.366541][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3218.366541][ T74] [ 3218.368529][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3218.368529][ T74] netdev_get_by_index+0x5e/0x80 [ 3218.368529][ T74] fib6_nh_init+0x3d8/0x1580 [ 3218.368529][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3218.368529][ T74] ip6_route_add+0x1c/0x140 [ 3218.368529][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3218.368529][ T74] addrconf_add_dev+0xe2/0x170 [ 3218.368529][ T74] inet6_addr_add+0x12f/0xa40 [ 3218.368529][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3218.368529][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3218.368529][ T74] netlink_rcv_skb+0x130/0x360 [ 3218.368529][ T74] netlink_unicast+0x449/0x710 [ 3218.368529][ T74] netlink_sendmsg+0x723/0xbe0 [ 3218.368529][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3218.368529][ T74] ___sys_sendmsg+0xee/0x170 [ 3218.368529][ T74] __sys_sendmsg+0xcd/0x170 [ 3218.368529][ T74] do_syscall_64+0xc6/0x1e0 [ 3218.368529][ T74] [ 3218.370474][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3218.370474][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3218.370474][ T74] ipv6_find_idev+0x102/0x170 [ 3218.370474][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3218.370474][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3218.370474][ T74] netlink_rcv_skb+0x130/0x360 [ 3218.370474][ T74] netlink_unicast+0x449/0x710 [ 3218.370474][ T74] netlink_sendmsg+0x723/0xbe0 [ 3218.370474][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3218.370474][ T74] ___sys_sendmsg+0xee/0x170 [ 3218.370474][ T74] __sys_sendmsg+0xcd/0x170 [ 3218.370474][ T74] do_syscall_64+0xc6/0x1e0 [ 3218.370474][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3218.370474][ T74] [ 3218.372133][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3218.372133][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3218.372133][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3218.372133][ T74] ipv6_find_idev+0x102/0x170 [ 3218.372133][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3218.372133][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3218.372133][ T74] netlink_rcv_skb+0x130/0x360 [ 3218.372133][ T74] netlink_unicast+0x449/0x710 [ 3218.372133][ T74] netlink_sendmsg+0x723/0xbe0 [ 3218.372133][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3218.372133][ T74] ___sys_sendmsg+0xee/0x170 [ 3218.372133][ T74] __sys_sendmsg+0xcd/0x170 [ 3218.372133][ T74] do_syscall_64+0xc6/0x1e0 [ 3218.372133][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3218.372133][ T74] [ 3218.374112][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3218.374350][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3218.374350][ T74] netdev_get_by_index+0x5e/0x80 [ 3218.374350][ T74] fib6_nh_init+0x3d8/0x1580 [ 3218.374350][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3218.374350][ T74] ip6_route_add+0x1c/0x140 [ 3218.374350][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3218.374350][ T74] inet6_addr_add+0x4f8/0xa40 [ 3218.374350][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3218.374350][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3218.374350][ T74] netlink_rcv_skb+0x130/0x360 [ 3218.374350][ T74] netlink_unicast+0x449/0x710 [ 3218.374350][ T74] netlink_sendmsg+0x723/0xbe0 [ 3218.374350][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3218.374350][ T74] ___sys_sendmsg+0xee/0x170 [ 3218.374350][ T74] __sys_sendmsg+0xcd/0x170 [ 3218.374350][ T74] do_syscall_64+0xc6/0x1e0 [ 3218.374350][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3218.374350][ T74] [ 3218.376574][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3218.376574][ T74] netdev_get_by_index+0x5e/0x80 [ 3218.376574][ T74] fib6_nh_init+0x3d8/0x1580 [ 3218.376574][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3218.376574][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3218.376574][ T74] ipv6_add_addr+0x411/0x2000 [ 3218.376574][ T74] inet6_addr_add+0x30e/0xa40 [ 3218.376574][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3218.376574][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3218.376574][ T74] netlink_rcv_skb+0x130/0x360 [ 3218.376574][ T74] netlink_unicast+0x449/0x710 [ 3218.376574][ T74] netlink_sendmsg+0x723/0xbe0 [ 3218.376574][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3218.376574][ T74] ___sys_sendmsg+0xee/0x170 [ 3218.376574][ T74] __sys_sendmsg+0xcd/0x170 [ 3218.376574][ T74] do_syscall_64+0xc6/0x1e0 [ 3218.376574][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3218.376574][ T74] [ 3218.378790][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3218.378790][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3218.378790][ T74] ipv6_find_idev+0x102/0x170 [ 3218.378790][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3218.378790][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3218.378790][ T74] netlink_rcv_skb+0x130/0x360 [ 3218.378790][ T74] netlink_unicast+0x449/0x710 [ 3218.378790][ T74] netlink_sendmsg+0x723/0xbe0 [ 3218.378790][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3218.378790][ T74] ___sys_sendmsg+0xee/0x170 [ 3218.378790][ T74] __sys_sendmsg+0xcd/0x170 [ 3218.378790][ T74] do_syscall_64+0xc6/0x1e0 [ 3218.378790][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3218.378790][ T74] [ 3218.380378][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3218.380378][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3218.380378][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3218.380378][ T74] ipv6_find_idev+0x102/0x170 [ 3218.380378][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3218.380378][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3218.380378][ T74] netlink_rcv_skb+0x130/0x360 [ 3218.380378][ T74] netlink_unicast+0x449/0x710 [ 3218.380378][ T74] netlink_sendmsg+0x723/0xbe0 [ 3218.380378][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3218.380378][ T74] ___sys_sendmsg+0xee/0x170 [ 3218.380378][ T74] __sys_sendmsg+0xcd/0x170 [ 3218.380378][ T74] do_syscall_64+0xc6/0x1e0 [ 3218.380378][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3218.380378][ T74] [ 3228.633581][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3228.633988][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3228.633988][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3228.633988][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3228.633988][ T74] fib6_nh_init+0xa22/0x1580 [ 3228.633988][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3228.633988][ T74] ip6_route_add+0x1c/0x140 [ 3228.633988][ T74] inet6_rtm_newroute+0x104/0x110 [ 3228.633988][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3228.633988][ T74] netlink_rcv_skb+0x130/0x360 [ 3228.633988][ T74] netlink_unicast+0x449/0x710 [ 3228.633988][ T74] netlink_sendmsg+0x723/0xbe0 [ 3228.633988][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3228.633988][ T74] ___sys_sendmsg+0xee/0x170 [ 3228.633988][ T74] __sys_sendmsg+0xcd/0x170 [ 3228.633988][ T74] do_syscall_64+0xc6/0x1e0 [ 3228.633988][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3228.633988][ T74] [ 3228.635901][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3228.635901][ T74] netdev_get_by_index+0x5e/0x80 [ 3228.635901][ T74] fib6_nh_init+0x3d8/0x1580 [ 3228.635901][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3228.635901][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3228.635901][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3228.635901][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3228.635901][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3228.635901][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3228.635901][ T74] addrconf_dad_begin+0x310/0x670 [ 3228.635901][ T74] addrconf_dad_work+0x10b/0xab0 [ 3228.635901][ T74] process_one_work+0x84d/0x18a0 [ 3228.635901][ T74] worker_thread+0x587/0xd30 [ 3228.635901][ T74] kthread+0x28a/0x350 [ 3228.635901][ T74] ret_from_fork+0x31/0x70 [ 3228.635901][ T74] ret_from_fork_asm+0x1a/0x30 [ 3228.635901][ T74] [ 3228.637796][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3228.637796][ T74] netdev_get_by_index+0x5e/0x80 [ 3228.637796][ T74] fib6_nh_init+0x3d8/0x1580 [ 3228.637796][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3228.637796][ T74] ip6_route_add+0x1c/0x140 [ 3228.637796][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3228.637796][ T74] inet6_addr_add+0x4f8/0xa40 [ 3228.637796][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3228.637796][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3228.637796][ T74] netlink_rcv_skb+0x130/0x360 [ 3228.637796][ T74] netlink_unicast+0x449/0x710 [ 3228.637796][ T74] netlink_sendmsg+0x723/0xbe0 [ 3228.637796][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3228.637796][ T74] ___sys_sendmsg+0xee/0x170 [ 3228.637796][ T74] __sys_sendmsg+0xcd/0x170 [ 3228.637796][ T74] do_syscall_64+0xc6/0x1e0 [ 3228.637796][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3228.637796][ T74] [ 3228.639824][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3228.639824][ T74] netdev_get_by_index+0x5e/0x80 [ 3228.639824][ T74] fib6_nh_init+0x3d8/0x1580 [ 3228.639824][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3228.639824][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3228.639824][ T74] ipv6_add_addr+0x411/0x2000 [ 3228.639824][ T74] inet6_addr_add+0x30e/0xa40 [ 3228.639824][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3228.639824][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3228.639824][ T74] netlink_rcv_skb+0x130/0x360 [ 3228.639824][ T74] netlink_unicast+0x449/0x710 [ 3228.639824][ T74] netlink_sendmsg+0x723/0xbe0 [ 3228.639824][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3228.639824][ T74] ___sys_sendmsg+0xee/0x170 [ 3228.639824][ T74] __sys_sendmsg+0xcd/0x170 [ 3228.639824][ T74] do_syscall_64+0xc6/0x1e0 [ 3228.639824][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3228.639824][ T74] [ 3228.641823][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3228.641823][ T74] netdev_get_by_index+0x5e/0x80 [ 3228.641823][ T74] fib6_nh_init+0x3d8/0x1580 [ 3228.641823][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3228.641823][ T74] ip6_route_add+0x1c/0x140 [ 3228.641823][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3228.641823][ T74] addrconf_add_dev+0xe2/0x170 [ 3228.641823][ T74] inet6_addr_add+0x12f/0xa40 [ 3228.641823][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3228.641823][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3228.641823][ T74] netlink_rcv_skb+0x130/0x360 [ 3228.641823][ T74] netlink_unicast+0x449/0x710 [ 3228.641823][ T74] netlink_sendmsg+0x723/0xbe0 [ 3228.641823][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3228.641823][ T74] ___sys_sendmsg+0xee/0x170 [ 3228.641823][ T74] __sys_sendmsg+0xcd/0x170 [ 3228.641823][ T74] do_syscall_64+0xc6/0x1e0 [ 3228.641823][ T74] [ 3228.643795][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3228.643795][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3228.643795][ T74] ipv6_find_idev+0x102/0x170 [ 3228.643795][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3228.643795][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3228.643795][ T74] netlink_rcv_skb+0x130/0x360 [ 3228.643795][ T74] netlink_unicast+0x449/0x710 [ 3228.643795][ T74] netlink_sendmsg+0x723/0xbe0 [ 3228.643795][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3228.643795][ T74] ___sys_sendmsg+0xee/0x170 [ 3228.643795][ T74] __sys_sendmsg+0xcd/0x170 [ 3228.643795][ T74] do_syscall_64+0xc6/0x1e0 [ 3228.643795][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3228.643795][ T74] [ 3228.645330][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3228.645330][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3228.645330][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3228.645330][ T74] ipv6_find_idev+0x102/0x170 [ 3228.645330][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3228.645330][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3228.645330][ T74] netlink_rcv_skb+0x130/0x360 [ 3228.645330][ T74] netlink_unicast+0x449/0x710 [ 3228.645330][ T74] netlink_sendmsg+0x723/0xbe0 [ 3228.645330][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3228.645330][ T74] ___sys_sendmsg+0xee/0x170 [ 3228.645330][ T74] __sys_sendmsg+0xcd/0x170 [ 3228.645330][ T74] do_syscall_64+0xc6/0x1e0 [ 3228.645330][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3228.645330][ T74] [ 3228.647010][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3228.647286][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3228.647286][ T74] dst_init+0x84/0x4a0 [ 3228.647286][ T74] dst_alloc+0x97/0x150 [ 3228.647286][ T74] ip6_dst_alloc+0x23/0x90 [ 3228.647286][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3228.647286][ T74] ip6_pol_route+0x56f/0x840 [ 3228.647286][ T74] fib6_rule_lookup+0x456/0x630 [ 3228.647286][ T74] ip6_route_input+0x59c/0xa50 [ 3228.647286][ T74] ipv6_rcv+0x397/0x810 [ 3228.647286][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3228.647286][ T74] process_backlog+0x101/0x620 [ 3228.647286][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3228.647286][ T74] net_rx_action+0x495/0xbe0 [ 3228.647286][ T74] __do_softirq+0x1b5/0x7f6 [ 3228.647286][ T74] [ 3228.648917][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3228.648917][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3228.648917][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3228.648917][ T74] fib6_nh_init+0xa22/0x1580 [ 3228.648917][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3228.648917][ T74] ip6_route_add+0x1c/0x140 [ 3228.648917][ T74] inet6_rtm_newroute+0x104/0x110 [ 3228.648917][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3228.648917][ T74] netlink_rcv_skb+0x130/0x360 [ 3228.648917][ T74] netlink_unicast+0x449/0x710 [ 3228.648917][ T74] netlink_sendmsg+0x723/0xbe0 [ 3228.648917][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3228.648917][ T74] ___sys_sendmsg+0xee/0x170 [ 3228.648917][ T74] __sys_sendmsg+0xcd/0x170 [ 3228.648917][ T74] do_syscall_64+0xc6/0x1e0 [ 3228.648917][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3228.648917][ T74] [ 3228.650785][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3228.650785][ T74] netdev_get_by_index+0x5e/0x80 [ 3228.650785][ T74] fib6_nh_init+0x3d8/0x1580 [ 3228.650785][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3228.650785][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3228.650785][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3228.650785][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3228.650785][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3228.650785][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3228.650785][ T74] addrconf_dad_begin+0x310/0x670 [ 3228.650785][ T74] addrconf_dad_work+0x10b/0xab0 [ 3228.650785][ T74] process_one_work+0x84d/0x18a0 [ 3228.650785][ T74] worker_thread+0x587/0xd30 [ 3228.650785][ T74] kthread+0x28a/0x350 [ 3228.650785][ T74] ret_from_fork+0x31/0x70 [ 3228.650785][ T74] ret_from_fork_asm+0x1a/0x30 [ 3228.650785][ T74] [ 3228.652690][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3228.652690][ T74] netdev_get_by_index+0x5e/0x80 [ 3228.652690][ T74] fib6_nh_init+0x3d8/0x1580 [ 3228.652690][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3228.652690][ T74] ip6_route_add+0x1c/0x140 [ 3228.652690][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3228.652690][ T74] inet6_addr_add+0x4f8/0xa40 [ 3228.652690][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3228.652690][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3228.652690][ T74] netlink_rcv_skb+0x130/0x360 [ 3228.652690][ T74] netlink_unicast+0x449/0x710 [ 3228.652690][ T74] netlink_sendmsg+0x723/0xbe0 [ 3228.652690][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3228.652690][ T74] ___sys_sendmsg+0xee/0x170 [ 3228.652690][ T74] __sys_sendmsg+0xcd/0x170 [ 3228.652690][ T74] do_syscall_64+0xc6/0x1e0 [ 3228.652690][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3228.652690][ T74] [ 3228.655208][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3228.655208][ T74] netdev_get_by_index+0x5e/0x80 [ 3228.655208][ T74] fib6_nh_init+0x3d8/0x1580 [ 3228.655208][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3228.655208][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3228.655208][ T74] ipv6_add_addr+0x411/0x2000 [ 3228.655208][ T74] inet6_addr_add+0x30e/0xa40 [ 3228.655208][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3228.655208][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3228.655208][ T74] netlink_rcv_skb+0x130/0x360 [ 3228.655208][ T74] netlink_unicast+0x449/0x710 [ 3228.655208][ T74] netlink_sendmsg+0x723/0xbe0 [ 3228.655208][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3228.655208][ T74] ___sys_sendmsg+0xee/0x170 [ 3228.655208][ T74] __sys_sendmsg+0xcd/0x170 [ 3228.655208][ T74] do_syscall_64+0xc6/0x1e0 [ 3228.655208][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3228.655208][ T74] [ 3228.657196][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3228.657196][ T74] netdev_get_by_index+0x5e/0x80 [ 3228.657196][ T74] fib6_nh_init+0x3d8/0x1580 [ 3228.657196][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3228.657196][ T74] ip6_route_add+0x1c/0x140 [ 3228.657196][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3228.657196][ T74] addrconf_add_dev+0xe2/0x170 [ 3228.657196][ T74] inet6_addr_add+0x12f/0xa40 [ 3228.657196][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3228.657196][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3228.657196][ T74] netlink_rcv_skb+0x130/0x360 [ 3228.657196][ T74] netlink_unicast+0x449/0x710 [ 3228.657196][ T74] netlink_sendmsg+0x723/0xbe0 [ 3228.657196][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3228.657196][ T74] ___sys_sendmsg+0xee/0x170 [ 3228.657196][ T74] __sys_sendmsg+0xcd/0x170 [ 3228.657196][ T74] do_syscall_64+0xc6/0x1e0 [ 3228.657196][ T74] [ 3228.659144][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3228.659144][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3228.659144][ T74] ipv6_find_idev+0x102/0x170 [ 3228.659144][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3228.659144][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3228.659144][ T74] netlink_rcv_skb+0x130/0x360 [ 3228.659144][ T74] netlink_unicast+0x449/0x710 [ 3228.659144][ T74] netlink_sendmsg+0x723/0xbe0 [ 3228.659144][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3228.659144][ T74] ___sys_sendmsg+0xee/0x170 [ 3228.659144][ T74] __sys_sendmsg+0xcd/0x170 [ 3228.659144][ T74] do_syscall_64+0xc6/0x1e0 [ 3228.659144][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3228.659144][ T74] [ 3228.667697][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3228.667697][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3228.667697][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3228.667697][ T74] ipv6_find_idev+0x102/0x170 [ 3228.667697][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3228.667697][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3228.667697][ T74] netlink_rcv_skb+0x130/0x360 [ 3228.667697][ T74] netlink_unicast+0x449/0x710 [ 3228.667697][ T74] netlink_sendmsg+0x723/0xbe0 [ 3228.667697][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3228.667697][ T74] ___sys_sendmsg+0xee/0x170 [ 3228.667697][ T74] __sys_sendmsg+0xcd/0x170 [ 3228.667697][ T74] do_syscall_64+0xc6/0x1e0 [ 3228.667697][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3228.667697][ T74] [ 3228.669679][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3228.669978][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3228.669978][ T74] netdev_get_by_index+0x5e/0x80 [ 3228.669978][ T74] fib6_nh_init+0x3d8/0x1580 [ 3228.669978][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3228.669978][ T74] ip6_route_add+0x1c/0x140 [ 3228.669978][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3228.669978][ T74] inet6_addr_add+0x4f8/0xa40 [ 3228.669978][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3228.669978][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3228.669978][ T74] netlink_rcv_skb+0x130/0x360 [ 3228.669978][ T74] netlink_unicast+0x449/0x710 [ 3228.669978][ T74] netlink_sendmsg+0x723/0xbe0 [ 3228.669978][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3228.669978][ T74] ___sys_sendmsg+0xee/0x170 [ 3228.669978][ T74] __sys_sendmsg+0xcd/0x170 [ 3228.669978][ T74] do_syscall_64+0xc6/0x1e0 [ 3228.669978][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3228.669978][ T74] [ 3228.672103][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3228.672103][ T74] netdev_get_by_index+0x5e/0x80 [ 3228.672103][ T74] fib6_nh_init+0x3d8/0x1580 [ 3228.672103][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3228.672103][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3228.672103][ T74] ipv6_add_addr+0x411/0x2000 [ 3228.672103][ T74] inet6_addr_add+0x30e/0xa40 [ 3228.672103][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3228.672103][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3228.672103][ T74] netlink_rcv_skb+0x130/0x360 [ 3228.672103][ T74] netlink_unicast+0x449/0x710 [ 3228.672103][ T74] netlink_sendmsg+0x723/0xbe0 [ 3228.672103][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3228.672103][ T74] ___sys_sendmsg+0xee/0x170 [ 3228.672103][ T74] __sys_sendmsg+0xcd/0x170 [ 3228.672103][ T74] do_syscall_64+0xc6/0x1e0 [ 3228.672103][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3228.672103][ T74] [ 3228.674370][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3228.674370][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3228.674370][ T74] ipv6_find_idev+0x102/0x170 [ 3228.674370][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3228.674370][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3228.674370][ T74] netlink_rcv_skb+0x130/0x360 [ 3228.674370][ T74] netlink_unicast+0x449/0x710 [ 3228.674370][ T74] netlink_sendmsg+0x723/0xbe0 [ 3228.674370][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3228.674370][ T74] ___sys_sendmsg+0xee/0x170 [ 3228.674370][ T74] __sys_sendmsg+0xcd/0x170 [ 3228.674370][ T74] do_syscall_64+0xc6/0x1e0 [ 3228.674370][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3228.674370][ T74] [ 3228.676030][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3228.676030][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3228.676030][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3228.676030][ T74] ipv6_find_idev+0x102/0x170 [ 3228.676030][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3228.676030][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3228.676030][ T74] netlink_rcv_skb+0x130/0x360 [ 3228.676030][ T74] netlink_unicast+0x449/0x710 [ 3228.676030][ T74] netlink_sendmsg+0x723/0xbe0 [ 3228.676030][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3228.676030][ T74] ___sys_sendmsg+0xee/0x170 [ 3228.676030][ T74] __sys_sendmsg+0xcd/0x170 [ 3228.676030][ T74] do_syscall_64+0xc6/0x1e0 [ 3228.676030][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3228.676030][ T74] [ 3238.927985][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3238.928407][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3238.928407][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3238.928407][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3238.928407][ T74] fib6_nh_init+0xa22/0x1580 [ 3238.928407][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3238.928407][ T74] ip6_route_add+0x1c/0x140 [ 3238.928407][ T74] inet6_rtm_newroute+0x104/0x110 [ 3238.928407][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3238.928407][ T74] netlink_rcv_skb+0x130/0x360 [ 3238.928407][ T74] netlink_unicast+0x449/0x710 [ 3238.928407][ T74] netlink_sendmsg+0x723/0xbe0 [ 3238.928407][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3238.928407][ T74] ___sys_sendmsg+0xee/0x170 [ 3238.928407][ T74] __sys_sendmsg+0xcd/0x170 [ 3238.928407][ T74] do_syscall_64+0xc6/0x1e0 [ 3238.928407][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3238.928407][ T74] [ 3238.930353][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3238.930353][ T74] netdev_get_by_index+0x5e/0x80 [ 3238.930353][ T74] fib6_nh_init+0x3d8/0x1580 [ 3238.930353][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3238.930353][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3238.930353][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3238.930353][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3238.930353][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3238.930353][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3238.930353][ T74] addrconf_dad_begin+0x310/0x670 [ 3238.930353][ T74] addrconf_dad_work+0x10b/0xab0 [ 3238.930353][ T74] process_one_work+0x84d/0x18a0 [ 3238.930353][ T74] worker_thread+0x587/0xd30 [ 3238.930353][ T74] kthread+0x28a/0x350 [ 3238.930353][ T74] ret_from_fork+0x31/0x70 [ 3238.930353][ T74] ret_from_fork_asm+0x1a/0x30 [ 3238.930353][ T74] [ 3238.932276][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3238.932276][ T74] netdev_get_by_index+0x5e/0x80 [ 3238.932276][ T74] fib6_nh_init+0x3d8/0x1580 [ 3238.932276][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3238.932276][ T74] ip6_route_add+0x1c/0x140 [ 3238.932276][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3238.932276][ T74] inet6_addr_add+0x4f8/0xa40 [ 3238.932276][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3238.932276][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3238.932276][ T74] netlink_rcv_skb+0x130/0x360 [ 3238.932276][ T74] netlink_unicast+0x449/0x710 [ 3238.932276][ T74] netlink_sendmsg+0x723/0xbe0 [ 3238.932276][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3238.932276][ T74] ___sys_sendmsg+0xee/0x170 [ 3238.932276][ T74] __sys_sendmsg+0xcd/0x170 [ 3238.932276][ T74] do_syscall_64+0xc6/0x1e0 [ 3238.932276][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3238.932276][ T74] [ 3238.934302][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3238.934302][ T74] netdev_get_by_index+0x5e/0x80 [ 3238.934302][ T74] fib6_nh_init+0x3d8/0x1580 [ 3238.934302][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3238.934302][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3238.934302][ T74] ipv6_add_addr+0x411/0x2000 [ 3238.934302][ T74] inet6_addr_add+0x30e/0xa40 [ 3238.934302][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3238.934302][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3238.934302][ T74] netlink_rcv_skb+0x130/0x360 [ 3238.934302][ T74] netlink_unicast+0x449/0x710 [ 3238.934302][ T74] netlink_sendmsg+0x723/0xbe0 [ 3238.934302][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3238.934302][ T74] ___sys_sendmsg+0xee/0x170 [ 3238.934302][ T74] __sys_sendmsg+0xcd/0x170 [ 3238.934302][ T74] do_syscall_64+0xc6/0x1e0 [ 3238.934302][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3238.934302][ T74] [ 3238.936317][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3238.936317][ T74] netdev_get_by_index+0x5e/0x80 [ 3238.936317][ T74] fib6_nh_init+0x3d8/0x1580 [ 3238.936317][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3238.936317][ T74] ip6_route_add+0x1c/0x140 [ 3238.936317][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3238.936317][ T74] addrconf_add_dev+0xe2/0x170 [ 3238.936317][ T74] inet6_addr_add+0x12f/0xa40 [ 3238.936317][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3238.936317][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3238.936317][ T74] netlink_rcv_skb+0x130/0x360 [ 3238.936317][ T74] netlink_unicast+0x449/0x710 [ 3238.936317][ T74] netlink_sendmsg+0x723/0xbe0 [ 3238.936317][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3238.936317][ T74] ___sys_sendmsg+0xee/0x170 [ 3238.936317][ T74] __sys_sendmsg+0xcd/0x170 [ 3238.936317][ T74] do_syscall_64+0xc6/0x1e0 [ 3238.936317][ T74] [ 3238.938287][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3238.938287][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3238.938287][ T74] ipv6_find_idev+0x102/0x170 [ 3238.938287][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3238.938287][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3238.938287][ T74] netlink_rcv_skb+0x130/0x360 [ 3238.938287][ T74] netlink_unicast+0x449/0x710 [ 3238.938287][ T74] netlink_sendmsg+0x723/0xbe0 [ 3238.938287][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3238.938287][ T74] ___sys_sendmsg+0xee/0x170 [ 3238.938287][ T74] __sys_sendmsg+0xcd/0x170 [ 3238.938287][ T74] do_syscall_64+0xc6/0x1e0 [ 3238.938287][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3238.938287][ T74] [ 3238.939838][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3238.939838][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3238.939838][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3238.939838][ T74] ipv6_find_idev+0x102/0x170 [ 3238.939838][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3238.939838][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3238.939838][ T74] netlink_rcv_skb+0x130/0x360 [ 3238.939838][ T74] netlink_unicast+0x449/0x710 [ 3238.939838][ T74] netlink_sendmsg+0x723/0xbe0 [ 3238.939838][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3238.939838][ T74] ___sys_sendmsg+0xee/0x170 [ 3238.939838][ T74] __sys_sendmsg+0xcd/0x170 [ 3238.939838][ T74] do_syscall_64+0xc6/0x1e0 [ 3238.939838][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3238.939838][ T74] [ 3238.941535][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3238.941816][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3238.941816][ T74] dst_init+0x84/0x4a0 [ 3238.941816][ T74] dst_alloc+0x97/0x150 [ 3238.941816][ T74] ip6_dst_alloc+0x23/0x90 [ 3238.941816][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3238.941816][ T74] ip6_pol_route+0x56f/0x840 [ 3238.941816][ T74] fib6_rule_lookup+0x456/0x630 [ 3238.941816][ T74] ip6_route_input+0x59c/0xa50 [ 3238.941816][ T74] ipv6_rcv+0x397/0x810 [ 3238.941816][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3238.941816][ T74] process_backlog+0x101/0x620 [ 3238.941816][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3238.941816][ T74] net_rx_action+0x495/0xbe0 [ 3238.941816][ T74] __do_softirq+0x1b5/0x7f6 [ 3238.941816][ T74] [ 3238.945584][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3238.945584][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3238.945584][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3238.945584][ T74] fib6_nh_init+0xa22/0x1580 [ 3238.945584][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3238.945584][ T74] ip6_route_add+0x1c/0x140 [ 3238.945584][ T74] inet6_rtm_newroute+0x104/0x110 [ 3238.945584][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3238.945584][ T74] netlink_rcv_skb+0x130/0x360 [ 3238.945584][ T74] netlink_unicast+0x449/0x710 [ 3238.945584][ T74] netlink_sendmsg+0x723/0xbe0 [ 3238.945584][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3238.945584][ T74] ___sys_sendmsg+0xee/0x170 [ 3238.945584][ T74] __sys_sendmsg+0xcd/0x170 [ 3238.945584][ T74] do_syscall_64+0xc6/0x1e0 [ 3238.945584][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3238.945584][ T74] [ 3238.947470][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3238.947470][ T74] netdev_get_by_index+0x5e/0x80 [ 3238.947470][ T74] fib6_nh_init+0x3d8/0x1580 [ 3238.947470][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3238.947470][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3238.947470][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3238.947470][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3238.947470][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3238.947470][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3238.947470][ T74] addrconf_dad_begin+0x310/0x670 [ 3238.947470][ T74] addrconf_dad_work+0x10b/0xab0 [ 3238.947470][ T74] process_one_work+0x84d/0x18a0 [ 3238.947470][ T74] worker_thread+0x587/0xd30 [ 3238.947470][ T74] kthread+0x28a/0x350 [ 3238.947470][ T74] ret_from_fork+0x31/0x70 [ 3238.947470][ T74] ret_from_fork_asm+0x1a/0x30 [ 3238.947470][ T74] [ 3238.949391][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3238.949391][ T74] netdev_get_by_index+0x5e/0x80 [ 3238.949391][ T74] fib6_nh_init+0x3d8/0x1580 [ 3238.949391][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3238.949391][ T74] ip6_route_add+0x1c/0x140 [ 3238.949391][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3238.949391][ T74] inet6_addr_add+0x4f8/0xa40 [ 3238.949391][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3238.949391][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3238.949391][ T74] netlink_rcv_skb+0x130/0x360 [ 3238.949391][ T74] netlink_unicast+0x449/0x710 [ 3238.949391][ T74] netlink_sendmsg+0x723/0xbe0 [ 3238.949391][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3238.949391][ T74] ___sys_sendmsg+0xee/0x170 [ 3238.949391][ T74] __sys_sendmsg+0xcd/0x170 [ 3238.949391][ T74] do_syscall_64+0xc6/0x1e0 [ 3238.949391][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3238.949391][ T74] [ 3238.951412][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3238.951412][ T74] netdev_get_by_index+0x5e/0x80 [ 3238.951412][ T74] fib6_nh_init+0x3d8/0x1580 [ 3238.951412][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3238.951412][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3238.951412][ T74] ipv6_add_addr+0x411/0x2000 [ 3238.951412][ T74] inet6_addr_add+0x30e/0xa40 [ 3238.951412][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3238.951412][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3238.951412][ T74] netlink_rcv_skb+0x130/0x360 [ 3238.951412][ T74] netlink_unicast+0x449/0x710 [ 3238.951412][ T74] netlink_sendmsg+0x723/0xbe0 [ 3238.951412][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3238.951412][ T74] ___sys_sendmsg+0xee/0x170 [ 3238.951412][ T74] __sys_sendmsg+0xcd/0x170 [ 3238.951412][ T74] do_syscall_64+0xc6/0x1e0 [ 3238.951412][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3238.951412][ T74] [ 3238.953432][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3238.953432][ T74] netdev_get_by_index+0x5e/0x80 [ 3238.953432][ T74] fib6_nh_init+0x3d8/0x1580 [ 3238.953432][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3238.953432][ T74] ip6_route_add+0x1c/0x140 [ 3238.953432][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3238.953432][ T74] addrconf_add_dev+0xe2/0x170 [ 3238.953432][ T74] inet6_addr_add+0x12f/0xa40 [ 3238.953432][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3238.953432][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3238.953432][ T74] netlink_rcv_skb+0x130/0x360 [ 3238.953432][ T74] netlink_unicast+0x449/0x710 [ 3238.953432][ T74] netlink_sendmsg+0x723/0xbe0 [ 3238.953432][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3238.953432][ T74] ___sys_sendmsg+0xee/0x170 [ 3238.953432][ T74] __sys_sendmsg+0xcd/0x170 [ 3238.953432][ T74] do_syscall_64+0xc6/0x1e0 [ 3238.953432][ T74] [ 3238.955398][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3238.955398][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3238.955398][ T74] ipv6_find_idev+0x102/0x170 [ 3238.955398][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3238.955398][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3238.955398][ T74] netlink_rcv_skb+0x130/0x360 [ 3238.955398][ T74] netlink_unicast+0x449/0x710 [ 3238.955398][ T74] netlink_sendmsg+0x723/0xbe0 [ 3238.955398][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3238.955398][ T74] ___sys_sendmsg+0xee/0x170 [ 3238.955398][ T74] __sys_sendmsg+0xcd/0x170 [ 3238.955398][ T74] do_syscall_64+0xc6/0x1e0 [ 3238.955398][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3238.955398][ T74] [ 3238.957065][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3238.957065][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3238.957065][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3238.957065][ T74] ipv6_find_idev+0x102/0x170 [ 3238.957065][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3238.957065][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3238.957065][ T74] netlink_rcv_skb+0x130/0x360 [ 3238.957065][ T74] netlink_unicast+0x449/0x710 [ 3238.957065][ T74] netlink_sendmsg+0x723/0xbe0 [ 3238.957065][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3238.957065][ T74] ___sys_sendmsg+0xee/0x170 [ 3238.957065][ T74] __sys_sendmsg+0xcd/0x170 [ 3238.957065][ T74] do_syscall_64+0xc6/0x1e0 [ 3238.957065][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3238.957065][ T74] [ 3238.959078][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3238.959318][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3238.959318][ T74] netdev_get_by_index+0x5e/0x80 [ 3238.959318][ T74] fib6_nh_init+0x3d8/0x1580 [ 3238.959318][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3238.959318][ T74] ip6_route_add+0x1c/0x140 [ 3238.959318][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3238.959318][ T74] inet6_addr_add+0x4f8/0xa40 [ 3238.959318][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3238.959318][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3238.959318][ T74] netlink_rcv_skb+0x130/0x360 [ 3238.959318][ T74] netlink_unicast+0x449/0x710 [ 3238.959318][ T74] netlink_sendmsg+0x723/0xbe0 [ 3238.959318][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3238.959318][ T74] ___sys_sendmsg+0xee/0x170 [ 3238.959318][ T74] __sys_sendmsg+0xcd/0x170 [ 3238.959318][ T74] do_syscall_64+0xc6/0x1e0 [ 3238.959318][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3238.959318][ T74] [ 3238.961575][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3238.961575][ T74] netdev_get_by_index+0x5e/0x80 [ 3238.961575][ T74] fib6_nh_init+0x3d8/0x1580 [ 3238.961575][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3238.961575][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3238.961575][ T74] ipv6_add_addr+0x411/0x2000 [ 3238.961575][ T74] inet6_addr_add+0x30e/0xa40 [ 3238.961575][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3238.961575][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3238.961575][ T74] netlink_rcv_skb+0x130/0x360 [ 3238.961575][ T74] netlink_unicast+0x449/0x710 [ 3238.961575][ T74] netlink_sendmsg+0x723/0xbe0 [ 3238.961575][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3238.961575][ T74] ___sys_sendmsg+0xee/0x170 [ 3238.961575][ T74] __sys_sendmsg+0xcd/0x170 [ 3238.961575][ T74] do_syscall_64+0xc6/0x1e0 [ 3238.961575][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3238.961575][ T74] [ 3238.963829][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3238.963829][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3238.963829][ T74] ipv6_find_idev+0x102/0x170 [ 3238.963829][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3238.963829][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3238.963829][ T74] netlink_rcv_skb+0x130/0x360 [ 3238.963829][ T74] netlink_unicast+0x449/0x710 [ 3238.963829][ T74] netlink_sendmsg+0x723/0xbe0 [ 3238.963829][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3238.963829][ T74] ___sys_sendmsg+0xee/0x170 [ 3238.963829][ T74] __sys_sendmsg+0xcd/0x170 [ 3238.963829][ T74] do_syscall_64+0xc6/0x1e0 [ 3238.963829][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3238.963829][ T74] [ 3238.965435][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3238.965435][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3238.965435][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3238.965435][ T74] ipv6_find_idev+0x102/0x170 [ 3238.965435][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3238.965435][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3238.965435][ T74] netlink_rcv_skb+0x130/0x360 [ 3238.965435][ T74] netlink_unicast+0x449/0x710 [ 3238.965435][ T74] netlink_sendmsg+0x723/0xbe0 [ 3238.965435][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3238.965435][ T74] ___sys_sendmsg+0xee/0x170 [ 3238.965435][ T74] __sys_sendmsg+0xcd/0x170 [ 3238.965435][ T74] do_syscall_64+0xc6/0x1e0 [ 3238.965435][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3238.965435][ T74] [ 3249.152029][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3249.152489][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3249.152489][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3249.152489][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3249.152489][ T74] fib6_nh_init+0xa22/0x1580 [ 3249.152489][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3249.152489][ T74] ip6_route_add+0x1c/0x140 [ 3249.152489][ T74] inet6_rtm_newroute+0x104/0x110 [ 3249.152489][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3249.152489][ T74] netlink_rcv_skb+0x130/0x360 [ 3249.152489][ T74] netlink_unicast+0x449/0x710 [ 3249.152489][ T74] netlink_sendmsg+0x723/0xbe0 [ 3249.152489][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3249.152489][ T74] ___sys_sendmsg+0xee/0x170 [ 3249.152489][ T74] __sys_sendmsg+0xcd/0x170 [ 3249.152489][ T74] do_syscall_64+0xc6/0x1e0 [ 3249.152489][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3249.152489][ T74] [ 3249.154404][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3249.154404][ T74] netdev_get_by_index+0x5e/0x80 [ 3249.154404][ T74] fib6_nh_init+0x3d8/0x1580 [ 3249.154404][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3249.154404][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3249.154404][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3249.154404][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3249.154404][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3249.154404][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3249.154404][ T74] addrconf_dad_begin+0x310/0x670 [ 3249.154404][ T74] addrconf_dad_work+0x10b/0xab0 [ 3249.154404][ T74] process_one_work+0x84d/0x18a0 [ 3249.154404][ T74] worker_thread+0x587/0xd30 [ 3249.154404][ T74] kthread+0x28a/0x350 [ 3249.154404][ T74] ret_from_fork+0x31/0x70 [ 3249.154404][ T74] ret_from_fork_asm+0x1a/0x30 [ 3249.154404][ T74] [ 3249.156326][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3249.156326][ T74] netdev_get_by_index+0x5e/0x80 [ 3249.156326][ T74] fib6_nh_init+0x3d8/0x1580 [ 3249.156326][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3249.156326][ T74] ip6_route_add+0x1c/0x140 [ 3249.156326][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3249.156326][ T74] inet6_addr_add+0x4f8/0xa40 [ 3249.156326][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3249.156326][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3249.156326][ T74] netlink_rcv_skb+0x130/0x360 [ 3249.156326][ T74] netlink_unicast+0x449/0x710 [ 3249.156326][ T74] netlink_sendmsg+0x723/0xbe0 [ 3249.156326][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3249.156326][ T74] ___sys_sendmsg+0xee/0x170 [ 3249.156326][ T74] __sys_sendmsg+0xcd/0x170 [ 3249.156326][ T74] do_syscall_64+0xc6/0x1e0 [ 3249.156326][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3249.156326][ T74] [ 3249.158351][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3249.158351][ T74] netdev_get_by_index+0x5e/0x80 [ 3249.158351][ T74] fib6_nh_init+0x3d8/0x1580 [ 3249.158351][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3249.158351][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3249.158351][ T74] ipv6_add_addr+0x411/0x2000 [ 3249.158351][ T74] inet6_addr_add+0x30e/0xa40 [ 3249.158351][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3249.158351][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3249.158351][ T74] netlink_rcv_skb+0x130/0x360 [ 3249.158351][ T74] netlink_unicast+0x449/0x710 [ 3249.158351][ T74] netlink_sendmsg+0x723/0xbe0 [ 3249.158351][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3249.158351][ T74] ___sys_sendmsg+0xee/0x170 [ 3249.158351][ T74] __sys_sendmsg+0xcd/0x170 [ 3249.158351][ T74] do_syscall_64+0xc6/0x1e0 [ 3249.158351][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3249.158351][ T74] [ 3249.160356][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3249.160356][ T74] netdev_get_by_index+0x5e/0x80 [ 3249.160356][ T74] fib6_nh_init+0x3d8/0x1580 [ 3249.160356][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3249.160356][ T74] ip6_route_add+0x1c/0x140 [ 3249.160356][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3249.160356][ T74] addrconf_add_dev+0xe2/0x170 [ 3249.160356][ T74] inet6_addr_add+0x12f/0xa40 [ 3249.160356][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3249.160356][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3249.160356][ T74] netlink_rcv_skb+0x130/0x360 [ 3249.160356][ T74] netlink_unicast+0x449/0x710 [ 3249.160356][ T74] netlink_sendmsg+0x723/0xbe0 [ 3249.160356][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3249.160356][ T74] ___sys_sendmsg+0xee/0x170 [ 3249.160356][ T74] __sys_sendmsg+0xcd/0x170 [ 3249.160356][ T74] do_syscall_64+0xc6/0x1e0 [ 3249.160356][ T74] [ 3249.162314][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3249.162314][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3249.162314][ T74] ipv6_find_idev+0x102/0x170 [ 3249.162314][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3249.162314][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3249.162314][ T74] netlink_rcv_skb+0x130/0x360 [ 3249.162314][ T74] netlink_unicast+0x449/0x710 [ 3249.162314][ T74] netlink_sendmsg+0x723/0xbe0 [ 3249.162314][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3249.162314][ T74] ___sys_sendmsg+0xee/0x170 [ 3249.162314][ T74] __sys_sendmsg+0xcd/0x170 [ 3249.162314][ T74] do_syscall_64+0xc6/0x1e0 [ 3249.162314][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3249.162314][ T74] [ 3249.163857][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3249.163857][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3249.163857][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3249.163857][ T74] ipv6_find_idev+0x102/0x170 [ 3249.163857][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3249.163857][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3249.163857][ T74] netlink_rcv_skb+0x130/0x360 [ 3249.163857][ T74] netlink_unicast+0x449/0x710 [ 3249.163857][ T74] netlink_sendmsg+0x723/0xbe0 [ 3249.163857][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3249.163857][ T74] ___sys_sendmsg+0xee/0x170 [ 3249.163857][ T74] __sys_sendmsg+0xcd/0x170 [ 3249.163857][ T74] do_syscall_64+0xc6/0x1e0 [ 3249.163857][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3249.163857][ T74] [ 3249.165550][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3249.165825][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3249.165825][ T74] dst_init+0x84/0x4a0 [ 3249.165825][ T74] dst_alloc+0x97/0x150 [ 3249.165825][ T74] ip6_dst_alloc+0x23/0x90 [ 3249.165825][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3249.165825][ T74] ip6_pol_route+0x56f/0x840 [ 3249.165825][ T74] fib6_rule_lookup+0x456/0x630 [ 3249.165825][ T74] ip6_route_input+0x59c/0xa50 [ 3249.165825][ T74] ipv6_rcv+0x397/0x810 [ 3249.165825][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3249.165825][ T74] process_backlog+0x101/0x620 [ 3249.165825][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3249.165825][ T74] net_rx_action+0x495/0xbe0 [ 3249.165825][ T74] __do_softirq+0x1b5/0x7f6 [ 3249.165825][ T74] [ 3249.167495][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3249.167495][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3249.167495][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3249.167495][ T74] fib6_nh_init+0xa22/0x1580 [ 3249.167495][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3249.167495][ T74] ip6_route_add+0x1c/0x140 [ 3249.167495][ T74] inet6_rtm_newroute+0x104/0x110 [ 3249.167495][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3249.167495][ T74] netlink_rcv_skb+0x130/0x360 [ 3249.167495][ T74] netlink_unicast+0x449/0x710 [ 3249.167495][ T74] netlink_sendmsg+0x723/0xbe0 [ 3249.167495][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3249.167495][ T74] ___sys_sendmsg+0xee/0x170 [ 3249.167495][ T74] __sys_sendmsg+0xcd/0x170 [ 3249.167495][ T74] do_syscall_64+0xc6/0x1e0 [ 3249.167495][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3249.167495][ T74] [ 3249.169375][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3249.169375][ T74] netdev_get_by_index+0x5e/0x80 [ 3249.169375][ T74] fib6_nh_init+0x3d8/0x1580 [ 3249.169375][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3249.169375][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3249.169375][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3249.169375][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3249.169375][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3249.169375][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3249.169375][ T74] addrconf_dad_begin+0x310/0x670 [ 3249.169375][ T74] addrconf_dad_work+0x10b/0xab0 [ 3249.169375][ T74] process_one_work+0x84d/0x18a0 [ 3249.169375][ T74] worker_thread+0x587/0xd30 [ 3249.169375][ T74] kthread+0x28a/0x350 [ 3249.169375][ T74] ret_from_fork+0x31/0x70 [ 3249.169375][ T74] ret_from_fork_asm+0x1a/0x30 [ 3249.169375][ T74] [ 3249.173491][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3249.173491][ T74] netdev_get_by_index+0x5e/0x80 [ 3249.173491][ T74] fib6_nh_init+0x3d8/0x1580 [ 3249.173491][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3249.173491][ T74] ip6_route_add+0x1c/0x140 [ 3249.173491][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3249.173491][ T74] inet6_addr_add+0x4f8/0xa40 [ 3249.173491][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3249.173491][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3249.173491][ T74] netlink_rcv_skb+0x130/0x360 [ 3249.173491][ T74] netlink_unicast+0x449/0x710 [ 3249.173491][ T74] netlink_sendmsg+0x723/0xbe0 [ 3249.173491][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3249.173491][ T74] ___sys_sendmsg+0xee/0x170 [ 3249.173491][ T74] __sys_sendmsg+0xcd/0x170 [ 3249.173491][ T74] do_syscall_64+0xc6/0x1e0 [ 3249.173491][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3249.173491][ T74] [ 3249.175510][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3249.175510][ T74] netdev_get_by_index+0x5e/0x80 [ 3249.175510][ T74] fib6_nh_init+0x3d8/0x1580 [ 3249.175510][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3249.175510][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3249.175510][ T74] ipv6_add_addr+0x411/0x2000 [ 3249.175510][ T74] inet6_addr_add+0x30e/0xa40 [ 3249.175510][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3249.175510][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3249.175510][ T74] netlink_rcv_skb+0x130/0x360 [ 3249.175510][ T74] netlink_unicast+0x449/0x710 [ 3249.175510][ T74] netlink_sendmsg+0x723/0xbe0 [ 3249.175510][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3249.175510][ T74] ___sys_sendmsg+0xee/0x170 [ 3249.175510][ T74] __sys_sendmsg+0xcd/0x170 [ 3249.175510][ T74] do_syscall_64+0xc6/0x1e0 [ 3249.175510][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3249.175510][ T74] [ 3249.177533][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3249.177533][ T74] netdev_get_by_index+0x5e/0x80 [ 3249.177533][ T74] fib6_nh_init+0x3d8/0x1580 [ 3249.177533][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3249.177533][ T74] ip6_route_add+0x1c/0x140 [ 3249.177533][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3249.177533][ T74] addrconf_add_dev+0xe2/0x170 [ 3249.177533][ T74] inet6_addr_add+0x12f/0xa40 [ 3249.177533][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3249.177533][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3249.177533][ T74] netlink_rcv_skb+0x130/0x360 [ 3249.177533][ T74] netlink_unicast+0x449/0x710 [ 3249.177533][ T74] netlink_sendmsg+0x723/0xbe0 [ 3249.177533][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3249.177533][ T74] ___sys_sendmsg+0xee/0x170 [ 3249.177533][ T74] __sys_sendmsg+0xcd/0x170 [ 3249.177533][ T74] do_syscall_64+0xc6/0x1e0 [ 3249.177533][ T74] [ 3249.179500][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3249.179500][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3249.179500][ T74] ipv6_find_idev+0x102/0x170 [ 3249.179500][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3249.179500][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3249.179500][ T74] netlink_rcv_skb+0x130/0x360 [ 3249.179500][ T74] netlink_unicast+0x449/0x710 [ 3249.179500][ T74] netlink_sendmsg+0x723/0xbe0 [ 3249.179500][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3249.179500][ T74] ___sys_sendmsg+0xee/0x170 [ 3249.179500][ T74] __sys_sendmsg+0xcd/0x170 [ 3249.179500][ T74] do_syscall_64+0xc6/0x1e0 [ 3249.179500][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3249.179500][ T74] [ 3249.181219][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3249.181219][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3249.181219][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3249.181219][ T74] ipv6_find_idev+0x102/0x170 [ 3249.181219][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3249.181219][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3249.181219][ T74] netlink_rcv_skb+0x130/0x360 [ 3249.181219][ T74] netlink_unicast+0x449/0x710 [ 3249.181219][ T74] netlink_sendmsg+0x723/0xbe0 [ 3249.181219][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3249.181219][ T74] ___sys_sendmsg+0xee/0x170 [ 3249.181219][ T74] __sys_sendmsg+0xcd/0x170 [ 3249.181219][ T74] do_syscall_64+0xc6/0x1e0 [ 3249.181219][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3249.181219][ T74] [ 3249.183138][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3249.183381][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3249.183381][ T74] netdev_get_by_index+0x5e/0x80 [ 3249.183381][ T74] fib6_nh_init+0x3d8/0x1580 [ 3249.183381][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3249.183381][ T74] ip6_route_add+0x1c/0x140 [ 3249.183381][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3249.183381][ T74] inet6_addr_add+0x4f8/0xa40 [ 3249.183381][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3249.183381][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3249.183381][ T74] netlink_rcv_skb+0x130/0x360 [ 3249.183381][ T74] netlink_unicast+0x449/0x710 [ 3249.183381][ T74] netlink_sendmsg+0x723/0xbe0 [ 3249.183381][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3249.183381][ T74] ___sys_sendmsg+0xee/0x170 [ 3249.183381][ T74] __sys_sendmsg+0xcd/0x170 [ 3249.183381][ T74] do_syscall_64+0xc6/0x1e0 [ 3249.183381][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3249.183381][ T74] [ 3249.185611][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3249.185611][ T74] netdev_get_by_index+0x5e/0x80 [ 3249.185611][ T74] fib6_nh_init+0x3d8/0x1580 [ 3249.185611][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3249.185611][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3249.185611][ T74] ipv6_add_addr+0x411/0x2000 [ 3249.185611][ T74] inet6_addr_add+0x30e/0xa40 [ 3249.185611][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3249.185611][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3249.185611][ T74] netlink_rcv_skb+0x130/0x360 [ 3249.185611][ T74] netlink_unicast+0x449/0x710 [ 3249.185611][ T74] netlink_sendmsg+0x723/0xbe0 [ 3249.185611][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3249.185611][ T74] ___sys_sendmsg+0xee/0x170 [ 3249.185611][ T74] __sys_sendmsg+0xcd/0x170 [ 3249.185611][ T74] do_syscall_64+0xc6/0x1e0 [ 3249.185611][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3249.185611][ T74] [ 3249.187841][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3249.187841][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3249.187841][ T74] ipv6_find_idev+0x102/0x170 [ 3249.187841][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3249.187841][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3249.187841][ T74] netlink_rcv_skb+0x130/0x360 [ 3249.187841][ T74] netlink_unicast+0x449/0x710 [ 3249.187841][ T74] netlink_sendmsg+0x723/0xbe0 [ 3249.187841][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3249.187841][ T74] ___sys_sendmsg+0xee/0x170 [ 3249.187841][ T74] __sys_sendmsg+0xcd/0x170 [ 3249.187841][ T74] do_syscall_64+0xc6/0x1e0 [ 3249.187841][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3249.187841][ T74] [ 3249.189574][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3249.189574][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3249.189574][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3249.189574][ T74] ipv6_find_idev+0x102/0x170 [ 3249.189574][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3249.189574][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3249.189574][ T74] netlink_rcv_skb+0x130/0x360 [ 3249.189574][ T74] netlink_unicast+0x449/0x710 [ 3249.189574][ T74] netlink_sendmsg+0x723/0xbe0 [ 3249.189574][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3249.189574][ T74] ___sys_sendmsg+0xee/0x170 [ 3249.189574][ T74] __sys_sendmsg+0xcd/0x170 [ 3249.189574][ T74] do_syscall_64+0xc6/0x1e0 [ 3249.189574][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3249.189574][ T74] [ 3259.336029][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3259.336506][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3259.336506][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3259.336506][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3259.336506][ T74] fib6_nh_init+0xa22/0x1580 [ 3259.336506][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3259.336506][ T74] ip6_route_add+0x1c/0x140 [ 3259.336506][ T74] inet6_rtm_newroute+0x104/0x110 [ 3259.336506][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3259.336506][ T74] netlink_rcv_skb+0x130/0x360 [ 3259.336506][ T74] netlink_unicast+0x449/0x710 [ 3259.336506][ T74] netlink_sendmsg+0x723/0xbe0 [ 3259.336506][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3259.336506][ T74] ___sys_sendmsg+0xee/0x170 [ 3259.336506][ T74] __sys_sendmsg+0xcd/0x170 [ 3259.336506][ T74] do_syscall_64+0xc6/0x1e0 [ 3259.336506][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3259.336506][ T74] [ 3259.338551][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3259.338551][ T74] netdev_get_by_index+0x5e/0x80 [ 3259.338551][ T74] fib6_nh_init+0x3d8/0x1580 [ 3259.338551][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3259.338551][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3259.338551][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3259.338551][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3259.338551][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3259.338551][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3259.338551][ T74] addrconf_dad_begin+0x310/0x670 [ 3259.338551][ T74] addrconf_dad_work+0x10b/0xab0 [ 3259.338551][ T74] process_one_work+0x84d/0x18a0 [ 3259.338551][ T74] worker_thread+0x587/0xd30 [ 3259.338551][ T74] kthread+0x28a/0x350 [ 3259.338551][ T74] ret_from_fork+0x31/0x70 [ 3259.338551][ T74] ret_from_fork_asm+0x1a/0x30 [ 3259.338551][ T74] [ 3259.340649][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3259.340649][ T74] netdev_get_by_index+0x5e/0x80 [ 3259.340649][ T74] fib6_nh_init+0x3d8/0x1580 [ 3259.340649][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3259.340649][ T74] ip6_route_add+0x1c/0x140 [ 3259.340649][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3259.340649][ T74] inet6_addr_add+0x4f8/0xa40 [ 3259.340649][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3259.340649][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3259.340649][ T74] netlink_rcv_skb+0x130/0x360 [ 3259.340649][ T74] netlink_unicast+0x449/0x710 [ 3259.340649][ T74] netlink_sendmsg+0x723/0xbe0 [ 3259.340649][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3259.340649][ T74] ___sys_sendmsg+0xee/0x170 [ 3259.340649][ T74] __sys_sendmsg+0xcd/0x170 [ 3259.340649][ T74] do_syscall_64+0xc6/0x1e0 [ 3259.340649][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3259.340649][ T74] [ 3259.342825][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3259.342825][ T74] netdev_get_by_index+0x5e/0x80 [ 3259.342825][ T74] fib6_nh_init+0x3d8/0x1580 [ 3259.342825][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3259.342825][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3259.342825][ T74] ipv6_add_addr+0x411/0x2000 [ 3259.342825][ T74] inet6_addr_add+0x30e/0xa40 [ 3259.342825][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3259.342825][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3259.342825][ T74] netlink_rcv_skb+0x130/0x360 [ 3259.342825][ T74] netlink_unicast+0x449/0x710 [ 3259.342825][ T74] netlink_sendmsg+0x723/0xbe0 [ 3259.342825][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3259.342825][ T74] ___sys_sendmsg+0xee/0x170 [ 3259.342825][ T74] __sys_sendmsg+0xcd/0x170 [ 3259.342825][ T74] do_syscall_64+0xc6/0x1e0 [ 3259.342825][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3259.342825][ T74] [ 3259.344992][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3259.344992][ T74] netdev_get_by_index+0x5e/0x80 [ 3259.344992][ T74] fib6_nh_init+0x3d8/0x1580 [ 3259.344992][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3259.344992][ T74] ip6_route_add+0x1c/0x140 [ 3259.344992][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3259.344992][ T74] addrconf_add_dev+0xe2/0x170 [ 3259.344992][ T74] inet6_addr_add+0x12f/0xa40 [ 3259.344992][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3259.344992][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3259.344992][ T74] netlink_rcv_skb+0x130/0x360 [ 3259.344992][ T74] netlink_unicast+0x449/0x710 [ 3259.344992][ T74] netlink_sendmsg+0x723/0xbe0 [ 3259.344992][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3259.344992][ T74] ___sys_sendmsg+0xee/0x170 [ 3259.344992][ T74] __sys_sendmsg+0xcd/0x170 [ 3259.344992][ T74] do_syscall_64+0xc6/0x1e0 [ 3259.344992][ T74] [ 3259.346951][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3259.346951][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3259.346951][ T74] ipv6_find_idev+0x102/0x170 [ 3259.346951][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3259.346951][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3259.346951][ T74] netlink_rcv_skb+0x130/0x360 [ 3259.346951][ T74] netlink_unicast+0x449/0x710 [ 3259.346951][ T74] netlink_sendmsg+0x723/0xbe0 [ 3259.346951][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3259.346951][ T74] ___sys_sendmsg+0xee/0x170 [ 3259.346951][ T74] __sys_sendmsg+0xcd/0x170 [ 3259.346951][ T74] do_syscall_64+0xc6/0x1e0 [ 3259.346951][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3259.346951][ T74] [ 3259.348526][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3259.348526][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3259.348526][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3259.348526][ T74] ipv6_find_idev+0x102/0x170 [ 3259.348526][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3259.348526][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3259.348526][ T74] netlink_rcv_skb+0x130/0x360 [ 3259.348526][ T74] netlink_unicast+0x449/0x710 [ 3259.348526][ T74] netlink_sendmsg+0x723/0xbe0 [ 3259.348526][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3259.348526][ T74] ___sys_sendmsg+0xee/0x170 [ 3259.348526][ T74] __sys_sendmsg+0xcd/0x170 [ 3259.348526][ T74] do_syscall_64+0xc6/0x1e0 [ 3259.348526][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3259.348526][ T74] [ 3259.350363][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3259.350663][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3259.350663][ T74] dst_init+0x84/0x4a0 [ 3259.350663][ T74] dst_alloc+0x97/0x150 [ 3259.350663][ T74] ip6_dst_alloc+0x23/0x90 [ 3259.350663][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3259.350663][ T74] ip6_pol_route+0x56f/0x840 [ 3259.350663][ T74] fib6_rule_lookup+0x456/0x630 [ 3259.350663][ T74] ip6_route_input+0x59c/0xa50 [ 3259.350663][ T74] ipv6_rcv+0x397/0x810 [ 3259.350663][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3259.350663][ T74] process_backlog+0x101/0x620 [ 3259.350663][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3259.350663][ T74] net_rx_action+0x495/0xbe0 [ 3259.350663][ T74] __do_softirq+0x1b5/0x7f6 [ 3259.350663][ T74] [ 3259.352465][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3259.352465][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3259.352465][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3259.352465][ T74] fib6_nh_init+0xa22/0x1580 [ 3259.352465][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3259.352465][ T74] ip6_route_add+0x1c/0x140 [ 3259.352465][ T74] inet6_rtm_newroute+0x104/0x110 [ 3259.352465][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3259.352465][ T74] netlink_rcv_skb+0x130/0x360 [ 3259.352465][ T74] netlink_unicast+0x449/0x710 [ 3259.352465][ T74] netlink_sendmsg+0x723/0xbe0 [ 3259.352465][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3259.352465][ T74] ___sys_sendmsg+0xee/0x170 [ 3259.352465][ T74] __sys_sendmsg+0xcd/0x170 [ 3259.352465][ T74] do_syscall_64+0xc6/0x1e0 [ 3259.352465][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3259.352465][ T74] [ 3259.354530][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3259.354530][ T74] netdev_get_by_index+0x5e/0x80 [ 3259.354530][ T74] fib6_nh_init+0x3d8/0x1580 [ 3259.354530][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3259.354530][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3259.354530][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3259.354530][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3259.354530][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3259.354530][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3259.354530][ T74] addrconf_dad_begin+0x310/0x670 [ 3259.354530][ T74] addrconf_dad_work+0x10b/0xab0 [ 3259.354530][ T74] process_one_work+0x84d/0x18a0 [ 3259.354530][ T74] worker_thread+0x587/0xd30 [ 3259.354530][ T74] kthread+0x28a/0x350 [ 3259.354530][ T74] ret_from_fork+0x31/0x70 [ 3259.354530][ T74] ret_from_fork_asm+0x1a/0x30 [ 3259.354530][ T74] [ 3259.356620][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3259.356620][ T74] netdev_get_by_index+0x5e/0x80 [ 3259.356620][ T74] fib6_nh_init+0x3d8/0x1580 [ 3259.356620][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3259.356620][ T74] ip6_route_add+0x1c/0x140 [ 3259.356620][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3259.356620][ T74] inet6_addr_add+0x4f8/0xa40 [ 3259.356620][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3259.356620][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3259.356620][ T74] netlink_rcv_skb+0x130/0x360 [ 3259.356620][ T74] netlink_unicast+0x449/0x710 [ 3259.356620][ T74] netlink_sendmsg+0x723/0xbe0 [ 3259.356620][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3259.356620][ T74] ___sys_sendmsg+0xee/0x170 [ 3259.356620][ T74] __sys_sendmsg+0xcd/0x170 [ 3259.356620][ T74] do_syscall_64+0xc6/0x1e0 [ 3259.356620][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3259.356620][ T74] [ 3259.358805][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3259.358805][ T74] netdev_get_by_index+0x5e/0x80 [ 3259.358805][ T74] fib6_nh_init+0x3d8/0x1580 [ 3259.358805][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3259.358805][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3259.358805][ T74] ipv6_add_addr+0x411/0x2000 [ 3259.358805][ T74] inet6_addr_add+0x30e/0xa40 [ 3259.358805][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3259.358805][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3259.358805][ T74] netlink_rcv_skb+0x130/0x360 [ 3259.358805][ T74] netlink_unicast+0x449/0x710 [ 3259.358805][ T74] netlink_sendmsg+0x723/0xbe0 [ 3259.358805][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3259.358805][ T74] ___sys_sendmsg+0xee/0x170 [ 3259.358805][ T74] __sys_sendmsg+0xcd/0x170 [ 3259.358805][ T74] do_syscall_64+0xc6/0x1e0 [ 3259.358805][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3259.358805][ T74] [ 3259.360972][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3259.360972][ T74] netdev_get_by_index+0x5e/0x80 [ 3259.360972][ T74] fib6_nh_init+0x3d8/0x1580 [ 3259.360972][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3259.360972][ T74] ip6_route_add+0x1c/0x140 [ 3259.360972][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3259.360972][ T74] addrconf_add_dev+0xe2/0x170 [ 3259.360972][ T74] inet6_addr_add+0x12f/0xa40 [ 3259.360972][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3259.360972][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3259.360972][ T74] netlink_rcv_skb+0x130/0x360 [ 3259.360972][ T74] netlink_unicast+0x449/0x710 [ 3259.360972][ T74] netlink_sendmsg+0x723/0xbe0 [ 3259.360972][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3259.360972][ T74] ___sys_sendmsg+0xee/0x170 [ 3259.360972][ T74] __sys_sendmsg+0xcd/0x170 [ 3259.360972][ T74] do_syscall_64+0xc6/0x1e0 [ 3259.360972][ T74] [ 3259.363107][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3259.363107][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3259.363107][ T74] ipv6_find_idev+0x102/0x170 [ 3259.363107][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3259.363107][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3259.363107][ T74] netlink_rcv_skb+0x130/0x360 [ 3259.363107][ T74] netlink_unicast+0x449/0x710 [ 3259.363107][ T74] netlink_sendmsg+0x723/0xbe0 [ 3259.363107][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3259.363107][ T74] ___sys_sendmsg+0xee/0x170 [ 3259.363107][ T74] __sys_sendmsg+0xcd/0x170 [ 3259.363107][ T74] do_syscall_64+0xc6/0x1e0 [ 3259.363107][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3259.363107][ T74] [ 3259.364940][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3259.364940][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3259.364940][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3259.364940][ T74] ipv6_find_idev+0x102/0x170 [ 3259.364940][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3259.364940][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3259.364940][ T74] netlink_rcv_skb+0x130/0x360 [ 3259.364940][ T74] netlink_unicast+0x449/0x710 [ 3259.364940][ T74] netlink_sendmsg+0x723/0xbe0 [ 3259.364940][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3259.364940][ T74] ___sys_sendmsg+0xee/0x170 [ 3259.364940][ T74] __sys_sendmsg+0xcd/0x170 [ 3259.364940][ T74] do_syscall_64+0xc6/0x1e0 [ 3259.364940][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3259.364940][ T74] [ 3259.367048][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3259.367300][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3259.367300][ T74] netdev_get_by_index+0x5e/0x80 [ 3259.367300][ T74] fib6_nh_init+0x3d8/0x1580 [ 3259.367300][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3259.367300][ T74] ip6_route_add+0x1c/0x140 [ 3259.367300][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3259.367300][ T74] inet6_addr_add+0x4f8/0xa40 [ 3259.367300][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3259.367300][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3259.367300][ T74] netlink_rcv_skb+0x130/0x360 [ 3259.367300][ T74] netlink_unicast+0x449/0x710 [ 3259.367300][ T74] netlink_sendmsg+0x723/0xbe0 [ 3259.367300][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3259.367300][ T74] ___sys_sendmsg+0xee/0x170 [ 3259.367300][ T74] __sys_sendmsg+0xcd/0x170 [ 3259.367300][ T74] do_syscall_64+0xc6/0x1e0 [ 3259.367300][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3259.367300][ T74] [ 3259.369741][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3259.369741][ T74] netdev_get_by_index+0x5e/0x80 [ 3259.369741][ T74] fib6_nh_init+0x3d8/0x1580 [ 3259.369741][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3259.369741][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3259.369741][ T74] ipv6_add_addr+0x411/0x2000 [ 3259.369741][ T74] inet6_addr_add+0x30e/0xa40 [ 3259.369741][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3259.369741][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3259.369741][ T74] netlink_rcv_skb+0x130/0x360 [ 3259.369741][ T74] netlink_unicast+0x449/0x710 [ 3259.369741][ T74] netlink_sendmsg+0x723/0xbe0 [ 3259.369741][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3259.369741][ T74] ___sys_sendmsg+0xee/0x170 [ 3259.369741][ T74] __sys_sendmsg+0xcd/0x170 [ 3259.369741][ T74] do_syscall_64+0xc6/0x1e0 [ 3259.369741][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3259.369741][ T74] [ 3259.372151][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3259.372151][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3259.372151][ T74] ipv6_find_idev+0x102/0x170 [ 3259.372151][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3259.372151][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3259.372151][ T74] netlink_rcv_skb+0x130/0x360 [ 3259.372151][ T74] netlink_unicast+0x449/0x710 [ 3259.372151][ T74] netlink_sendmsg+0x723/0xbe0 [ 3259.372151][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3259.372151][ T74] ___sys_sendmsg+0xee/0x170 [ 3259.372151][ T74] __sys_sendmsg+0xcd/0x170 [ 3259.372151][ T74] do_syscall_64+0xc6/0x1e0 [ 3259.372151][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3259.372151][ T74] [ 3259.373992][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3259.373992][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3259.373992][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3259.373992][ T74] ipv6_find_idev+0x102/0x170 [ 3259.373992][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3259.373992][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3259.373992][ T74] netlink_rcv_skb+0x130/0x360 [ 3259.373992][ T74] netlink_unicast+0x449/0x710 [ 3259.373992][ T74] netlink_sendmsg+0x723/0xbe0 [ 3259.373992][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3259.373992][ T74] ___sys_sendmsg+0xee/0x170 [ 3259.373992][ T74] __sys_sendmsg+0xcd/0x170 [ 3259.373992][ T74] do_syscall_64+0xc6/0x1e0 [ 3259.373992][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3259.373992][ T74] [ 3269.455959][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3269.456354][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3269.456354][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3269.456354][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3269.456354][ T74] fib6_nh_init+0xa22/0x1580 [ 3269.456354][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3269.456354][ T74] ip6_route_add+0x1c/0x140 [ 3269.456354][ T74] inet6_rtm_newroute+0x104/0x110 [ 3269.456354][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3269.456354][ T74] netlink_rcv_skb+0x130/0x360 [ 3269.456354][ T74] netlink_unicast+0x449/0x710 [ 3269.456354][ T74] netlink_sendmsg+0x723/0xbe0 [ 3269.456354][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3269.456354][ T74] ___sys_sendmsg+0xee/0x170 [ 3269.456354][ T74] __sys_sendmsg+0xcd/0x170 [ 3269.456354][ T74] do_syscall_64+0xc6/0x1e0 [ 3269.456354][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3269.456354][ T74] [ 3269.458282][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3269.458282][ T74] netdev_get_by_index+0x5e/0x80 [ 3269.458282][ T74] fib6_nh_init+0x3d8/0x1580 [ 3269.458282][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3269.458282][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3269.458282][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3269.458282][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3269.458282][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3269.458282][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3269.458282][ T74] addrconf_dad_begin+0x310/0x670 [ 3269.458282][ T74] addrconf_dad_work+0x10b/0xab0 [ 3269.458282][ T74] process_one_work+0x84d/0x18a0 [ 3269.458282][ T74] worker_thread+0x587/0xd30 [ 3269.458282][ T74] kthread+0x28a/0x350 [ 3269.458282][ T74] ret_from_fork+0x31/0x70 [ 3269.458282][ T74] ret_from_fork_asm+0x1a/0x30 [ 3269.458282][ T74] [ 3269.460315][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3269.460315][ T74] netdev_get_by_index+0x5e/0x80 [ 3269.460315][ T74] fib6_nh_init+0x3d8/0x1580 [ 3269.460315][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3269.460315][ T74] ip6_route_add+0x1c/0x140 [ 3269.460315][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3269.460315][ T74] inet6_addr_add+0x4f8/0xa40 [ 3269.460315][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3269.460315][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3269.460315][ T74] netlink_rcv_skb+0x130/0x360 [ 3269.460315][ T74] netlink_unicast+0x449/0x710 [ 3269.460315][ T74] netlink_sendmsg+0x723/0xbe0 [ 3269.460315][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3269.460315][ T74] ___sys_sendmsg+0xee/0x170 [ 3269.460315][ T74] __sys_sendmsg+0xcd/0x170 [ 3269.460315][ T74] do_syscall_64+0xc6/0x1e0 [ 3269.460315][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3269.460315][ T74] [ 3269.462310][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3269.462310][ T74] netdev_get_by_index+0x5e/0x80 [ 3269.462310][ T74] fib6_nh_init+0x3d8/0x1580 [ 3269.462310][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3269.462310][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3269.462310][ T74] ipv6_add_addr+0x411/0x2000 [ 3269.462310][ T74] inet6_addr_add+0x30e/0xa40 [ 3269.462310][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3269.462310][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3269.462310][ T74] netlink_rcv_skb+0x130/0x360 [ 3269.462310][ T74] netlink_unicast+0x449/0x710 [ 3269.462310][ T74] netlink_sendmsg+0x723/0xbe0 [ 3269.462310][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3269.462310][ T74] ___sys_sendmsg+0xee/0x170 [ 3269.462310][ T74] __sys_sendmsg+0xcd/0x170 [ 3269.462310][ T74] do_syscall_64+0xc6/0x1e0 [ 3269.462310][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3269.462310][ T74] [ 3269.464307][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3269.464307][ T74] netdev_get_by_index+0x5e/0x80 [ 3269.464307][ T74] fib6_nh_init+0x3d8/0x1580 [ 3269.464307][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3269.464307][ T74] ip6_route_add+0x1c/0x140 [ 3269.464307][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3269.464307][ T74] addrconf_add_dev+0xe2/0x170 [ 3269.464307][ T74] inet6_addr_add+0x12f/0xa40 [ 3269.464307][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3269.464307][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3269.464307][ T74] netlink_rcv_skb+0x130/0x360 [ 3269.464307][ T74] netlink_unicast+0x449/0x710 [ 3269.464307][ T74] netlink_sendmsg+0x723/0xbe0 [ 3269.464307][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3269.464307][ T74] ___sys_sendmsg+0xee/0x170 [ 3269.464307][ T74] __sys_sendmsg+0xcd/0x170 [ 3269.464307][ T74] do_syscall_64+0xc6/0x1e0 [ 3269.464307][ T74] [ 3269.466280][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3269.466280][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3269.466280][ T74] ipv6_find_idev+0x102/0x170 [ 3269.466280][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3269.466280][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3269.466280][ T74] netlink_rcv_skb+0x130/0x360 [ 3269.466280][ T74] netlink_unicast+0x449/0x710 [ 3269.466280][ T74] netlink_sendmsg+0x723/0xbe0 [ 3269.466280][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3269.466280][ T74] ___sys_sendmsg+0xee/0x170 [ 3269.466280][ T74] __sys_sendmsg+0xcd/0x170 [ 3269.466280][ T74] do_syscall_64+0xc6/0x1e0 [ 3269.466280][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3269.466280][ T74] [ 3269.467834][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3269.467834][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3269.467834][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3269.467834][ T74] ipv6_find_idev+0x102/0x170 [ 3269.467834][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3269.467834][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3269.467834][ T74] netlink_rcv_skb+0x130/0x360 [ 3269.467834][ T74] netlink_unicast+0x449/0x710 [ 3269.467834][ T74] netlink_sendmsg+0x723/0xbe0 [ 3269.467834][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3269.467834][ T74] ___sys_sendmsg+0xee/0x170 [ 3269.467834][ T74] __sys_sendmsg+0xcd/0x170 [ 3269.467834][ T74] do_syscall_64+0xc6/0x1e0 [ 3269.467834][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3269.467834][ T74] [ 3269.469546][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3269.469817][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3269.469817][ T74] dst_init+0x84/0x4a0 [ 3269.469817][ T74] dst_alloc+0x97/0x150 [ 3269.469817][ T74] ip6_dst_alloc+0x23/0x90 [ 3269.469817][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3269.469817][ T74] ip6_pol_route+0x56f/0x840 [ 3269.469817][ T74] fib6_rule_lookup+0x456/0x630 [ 3269.469817][ T74] ip6_route_input+0x59c/0xa50 [ 3269.469817][ T74] ipv6_rcv+0x397/0x810 [ 3269.469817][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3269.469817][ T74] process_backlog+0x101/0x620 [ 3269.469817][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3269.469817][ T74] net_rx_action+0x495/0xbe0 [ 3269.469817][ T74] __do_softirq+0x1b5/0x7f6 [ 3269.469817][ T74] [ 3269.471466][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3269.471466][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3269.471466][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3269.471466][ T74] fib6_nh_init+0xa22/0x1580 [ 3269.471466][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3269.471466][ T74] ip6_route_add+0x1c/0x140 [ 3269.471466][ T74] inet6_rtm_newroute+0x104/0x110 [ 3269.471466][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3269.471466][ T74] netlink_rcv_skb+0x130/0x360 [ 3269.471466][ T74] netlink_unicast+0x449/0x710 [ 3269.471466][ T74] netlink_sendmsg+0x723/0xbe0 [ 3269.471466][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3269.471466][ T74] ___sys_sendmsg+0xee/0x170 [ 3269.471466][ T74] __sys_sendmsg+0xcd/0x170 [ 3269.471466][ T74] do_syscall_64+0xc6/0x1e0 [ 3269.471466][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3269.471466][ T74] [ 3269.473382][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3269.473382][ T74] netdev_get_by_index+0x5e/0x80 [ 3269.473382][ T74] fib6_nh_init+0x3d8/0x1580 [ 3269.473382][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3269.473382][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3269.473382][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3269.473382][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3269.473382][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3269.473382][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3269.473382][ T74] addrconf_dad_begin+0x310/0x670 [ 3269.473382][ T74] addrconf_dad_work+0x10b/0xab0 [ 3269.473382][ T74] process_one_work+0x84d/0x18a0 [ 3269.473382][ T74] worker_thread+0x587/0xd30 [ 3269.473382][ T74] kthread+0x28a/0x350 [ 3269.473382][ T74] ret_from_fork+0x31/0x70 [ 3269.473382][ T74] ret_from_fork_asm+0x1a/0x30 [ 3269.473382][ T74] [ 3269.475306][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3269.475306][ T74] netdev_get_by_index+0x5e/0x80 [ 3269.475306][ T74] fib6_nh_init+0x3d8/0x1580 [ 3269.475306][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3269.475306][ T74] ip6_route_add+0x1c/0x140 [ 3269.475306][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3269.475306][ T74] inet6_addr_add+0x4f8/0xa40 [ 3269.475306][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3269.475306][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3269.475306][ T74] netlink_rcv_skb+0x130/0x360 [ 3269.475306][ T74] netlink_unicast+0x449/0x710 [ 3269.475306][ T74] netlink_sendmsg+0x723/0xbe0 [ 3269.475306][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3269.475306][ T74] ___sys_sendmsg+0xee/0x170 [ 3269.475306][ T74] __sys_sendmsg+0xcd/0x170 [ 3269.475306][ T74] do_syscall_64+0xc6/0x1e0 [ 3269.475306][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3269.475306][ T74] [ 3269.477324][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3269.477324][ T74] netdev_get_by_index+0x5e/0x80 [ 3269.477324][ T74] fib6_nh_init+0x3d8/0x1580 [ 3269.477324][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3269.477324][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3269.477324][ T74] ipv6_add_addr+0x411/0x2000 [ 3269.477324][ T74] inet6_addr_add+0x30e/0xa40 [ 3269.477324][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3269.477324][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3269.477324][ T74] netlink_rcv_skb+0x130/0x360 [ 3269.477324][ T74] netlink_unicast+0x449/0x710 [ 3269.477324][ T74] netlink_sendmsg+0x723/0xbe0 [ 3269.477324][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3269.477324][ T74] ___sys_sendmsg+0xee/0x170 [ 3269.477324][ T74] __sys_sendmsg+0xcd/0x170 [ 3269.477324][ T74] do_syscall_64+0xc6/0x1e0 [ 3269.477324][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3269.477324][ T74] [ 3269.479328][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3269.479328][ T74] netdev_get_by_index+0x5e/0x80 [ 3269.479328][ T74] fib6_nh_init+0x3d8/0x1580 [ 3269.479328][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3269.479328][ T74] ip6_route_add+0x1c/0x140 [ 3269.479328][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3269.479328][ T74] addrconf_add_dev+0xe2/0x170 [ 3269.479328][ T74] inet6_addr_add+0x12f/0xa40 [ 3269.479328][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3269.479328][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3269.479328][ T74] netlink_rcv_skb+0x130/0x360 [ 3269.479328][ T74] netlink_unicast+0x449/0x710 [ 3269.479328][ T74] netlink_sendmsg+0x723/0xbe0 [ 3269.479328][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3269.479328][ T74] ___sys_sendmsg+0xee/0x170 [ 3269.479328][ T74] __sys_sendmsg+0xcd/0x170 [ 3269.479328][ T74] do_syscall_64+0xc6/0x1e0 [ 3269.479328][ T74] [ 3269.481302][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3269.481302][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3269.481302][ T74] ipv6_find_idev+0x102/0x170 [ 3269.481302][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3269.481302][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3269.481302][ T74] netlink_rcv_skb+0x130/0x360 [ 3269.481302][ T74] netlink_unicast+0x449/0x710 [ 3269.481302][ T74] netlink_sendmsg+0x723/0xbe0 [ 3269.481302][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3269.481302][ T74] ___sys_sendmsg+0xee/0x170 [ 3269.481302][ T74] __sys_sendmsg+0xcd/0x170 [ 3269.481302][ T74] do_syscall_64+0xc6/0x1e0 [ 3269.481302][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3269.481302][ T74] [ 3269.483052][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3269.483052][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3269.483052][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3269.483052][ T74] ipv6_find_idev+0x102/0x170 [ 3269.483052][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3269.483052][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3269.483052][ T74] netlink_rcv_skb+0x130/0x360 [ 3269.483052][ T74] netlink_unicast+0x449/0x710 [ 3269.483052][ T74] netlink_sendmsg+0x723/0xbe0 [ 3269.483052][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3269.483052][ T74] ___sys_sendmsg+0xee/0x170 [ 3269.483052][ T74] __sys_sendmsg+0xcd/0x170 [ 3269.483052][ T74] do_syscall_64+0xc6/0x1e0 [ 3269.483052][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3269.483052][ T74] [ 3269.485016][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3269.485257][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3269.485257][ T74] netdev_get_by_index+0x5e/0x80 [ 3269.485257][ T74] fib6_nh_init+0x3d8/0x1580 [ 3269.485257][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3269.485257][ T74] ip6_route_add+0x1c/0x140 [ 3269.485257][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3269.485257][ T74] inet6_addr_add+0x4f8/0xa40 [ 3269.485257][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3269.485257][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3269.485257][ T74] netlink_rcv_skb+0x130/0x360 [ 3269.485257][ T74] netlink_unicast+0x449/0x710 [ 3269.485257][ T74] netlink_sendmsg+0x723/0xbe0 [ 3269.485257][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3269.485257][ T74] ___sys_sendmsg+0xee/0x170 [ 3269.485257][ T74] __sys_sendmsg+0xcd/0x170 [ 3269.485257][ T74] do_syscall_64+0xc6/0x1e0 [ 3269.485257][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3269.485257][ T74] [ 3269.487538][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3269.487538][ T74] netdev_get_by_index+0x5e/0x80 [ 3269.487538][ T74] fib6_nh_init+0x3d8/0x1580 [ 3269.487538][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3269.487538][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3269.487538][ T74] ipv6_add_addr+0x411/0x2000 [ 3269.487538][ T74] inet6_addr_add+0x30e/0xa40 [ 3269.487538][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3269.487538][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3269.487538][ T74] netlink_rcv_skb+0x130/0x360 [ 3269.487538][ T74] netlink_unicast+0x449/0x710 [ 3269.487538][ T74] netlink_sendmsg+0x723/0xbe0 [ 3269.487538][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3269.487538][ T74] ___sys_sendmsg+0xee/0x170 [ 3269.487538][ T74] __sys_sendmsg+0xcd/0x170 [ 3269.487538][ T74] do_syscall_64+0xc6/0x1e0 [ 3269.487538][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3269.487538][ T74] [ 3269.489788][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3269.489788][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3269.489788][ T74] ipv6_find_idev+0x102/0x170 [ 3269.489788][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3269.489788][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3269.489788][ T74] netlink_rcv_skb+0x130/0x360 [ 3269.489788][ T74] netlink_unicast+0x449/0x710 [ 3269.489788][ T74] netlink_sendmsg+0x723/0xbe0 [ 3269.489788][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3269.489788][ T74] ___sys_sendmsg+0xee/0x170 [ 3269.489788][ T74] __sys_sendmsg+0xcd/0x170 [ 3269.489788][ T74] do_syscall_64+0xc6/0x1e0 [ 3269.489788][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3269.489788][ T74] [ 3269.491983][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3269.491983][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3269.491983][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3269.491983][ T74] ipv6_find_idev+0x102/0x170 [ 3269.491983][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3269.491983][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3269.491983][ T74] netlink_rcv_skb+0x130/0x360 [ 3269.491983][ T74] netlink_unicast+0x449/0x710 [ 3269.491983][ T74] netlink_sendmsg+0x723/0xbe0 [ 3269.491983][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3269.491983][ T74] ___sys_sendmsg+0xee/0x170 [ 3269.491983][ T74] __sys_sendmsg+0xcd/0x170 [ 3269.491983][ T74] do_syscall_64+0xc6/0x1e0 [ 3269.491983][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3269.491983][ T74] [ 3279.664002][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3279.664368][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3279.664368][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3279.664368][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3279.664368][ T74] fib6_nh_init+0xa22/0x1580 [ 3279.664368][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3279.664368][ T74] ip6_route_add+0x1c/0x140 [ 3279.664368][ T74] inet6_rtm_newroute+0x104/0x110 [ 3279.664368][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3279.664368][ T74] netlink_rcv_skb+0x130/0x360 [ 3279.664368][ T74] netlink_unicast+0x449/0x710 [ 3279.664368][ T74] netlink_sendmsg+0x723/0xbe0 [ 3279.664368][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3279.664368][ T74] ___sys_sendmsg+0xee/0x170 [ 3279.664368][ T74] __sys_sendmsg+0xcd/0x170 [ 3279.664368][ T74] do_syscall_64+0xc6/0x1e0 [ 3279.664368][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3279.664368][ T74] [ 3279.666320][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3279.666320][ T74] netdev_get_by_index+0x5e/0x80 [ 3279.666320][ T74] fib6_nh_init+0x3d8/0x1580 [ 3279.666320][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3279.666320][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3279.666320][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3279.666320][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3279.666320][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3279.666320][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3279.666320][ T74] addrconf_dad_begin+0x310/0x670 [ 3279.666320][ T74] addrconf_dad_work+0x10b/0xab0 [ 3279.666320][ T74] process_one_work+0x84d/0x18a0 [ 3279.666320][ T74] worker_thread+0x587/0xd30 [ 3279.666320][ T74] kthread+0x28a/0x350 [ 3279.666320][ T74] ret_from_fork+0x31/0x70 [ 3279.666320][ T74] ret_from_fork_asm+0x1a/0x30 [ 3279.666320][ T74] [ 3279.668243][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3279.668243][ T74] netdev_get_by_index+0x5e/0x80 [ 3279.668243][ T74] fib6_nh_init+0x3d8/0x1580 [ 3279.668243][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3279.668243][ T74] ip6_route_add+0x1c/0x140 [ 3279.668243][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3279.668243][ T74] inet6_addr_add+0x4f8/0xa40 [ 3279.668243][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3279.668243][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3279.668243][ T74] netlink_rcv_skb+0x130/0x360 [ 3279.668243][ T74] netlink_unicast+0x449/0x710 [ 3279.668243][ T74] netlink_sendmsg+0x723/0xbe0 [ 3279.668243][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3279.668243][ T74] ___sys_sendmsg+0xee/0x170 [ 3279.668243][ T74] __sys_sendmsg+0xcd/0x170 [ 3279.668243][ T74] do_syscall_64+0xc6/0x1e0 [ 3279.668243][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3279.668243][ T74] [ 3279.670244][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3279.670244][ T74] netdev_get_by_index+0x5e/0x80 [ 3279.670244][ T74] fib6_nh_init+0x3d8/0x1580 [ 3279.670244][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3279.670244][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3279.670244][ T74] ipv6_add_addr+0x411/0x2000 [ 3279.670244][ T74] inet6_addr_add+0x30e/0xa40 [ 3279.670244][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3279.670244][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3279.670244][ T74] netlink_rcv_skb+0x130/0x360 [ 3279.670244][ T74] netlink_unicast+0x449/0x710 [ 3279.670244][ T74] netlink_sendmsg+0x723/0xbe0 [ 3279.670244][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3279.670244][ T74] ___sys_sendmsg+0xee/0x170 [ 3279.670244][ T74] __sys_sendmsg+0xcd/0x170 [ 3279.670244][ T74] do_syscall_64+0xc6/0x1e0 [ 3279.670244][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3279.670244][ T74] [ 3279.672253][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3279.672253][ T74] netdev_get_by_index+0x5e/0x80 [ 3279.672253][ T74] fib6_nh_init+0x3d8/0x1580 [ 3279.672253][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3279.672253][ T74] ip6_route_add+0x1c/0x140 [ 3279.672253][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3279.672253][ T74] addrconf_add_dev+0xe2/0x170 [ 3279.672253][ T74] inet6_addr_add+0x12f/0xa40 [ 3279.672253][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3279.672253][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3279.672253][ T74] netlink_rcv_skb+0x130/0x360 [ 3279.672253][ T74] netlink_unicast+0x449/0x710 [ 3279.672253][ T74] netlink_sendmsg+0x723/0xbe0 [ 3279.672253][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3279.672253][ T74] ___sys_sendmsg+0xee/0x170 [ 3279.672253][ T74] __sys_sendmsg+0xcd/0x170 [ 3279.672253][ T74] do_syscall_64+0xc6/0x1e0 [ 3279.672253][ T74] [ 3279.674252][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3279.674252][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3279.674252][ T74] ipv6_find_idev+0x102/0x170 [ 3279.674252][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3279.674252][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3279.674252][ T74] netlink_rcv_skb+0x130/0x360 [ 3279.674252][ T74] netlink_unicast+0x449/0x710 [ 3279.674252][ T74] netlink_sendmsg+0x723/0xbe0 [ 3279.674252][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3279.674252][ T74] ___sys_sendmsg+0xee/0x170 [ 3279.674252][ T74] __sys_sendmsg+0xcd/0x170 [ 3279.674252][ T74] do_syscall_64+0xc6/0x1e0 [ 3279.674252][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3279.674252][ T74] [ 3279.675812][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3279.675812][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3279.675812][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3279.675812][ T74] ipv6_find_idev+0x102/0x170 [ 3279.675812][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3279.675812][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3279.675812][ T74] netlink_rcv_skb+0x130/0x360 [ 3279.675812][ T74] netlink_unicast+0x449/0x710 [ 3279.675812][ T74] netlink_sendmsg+0x723/0xbe0 [ 3279.675812][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3279.675812][ T74] ___sys_sendmsg+0xee/0x170 [ 3279.675812][ T74] __sys_sendmsg+0xcd/0x170 [ 3279.675812][ T74] do_syscall_64+0xc6/0x1e0 [ 3279.675812][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3279.675812][ T74] [ 3279.677522][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3279.677790][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3279.677790][ T74] dst_init+0x84/0x4a0 [ 3279.677790][ T74] dst_alloc+0x97/0x150 [ 3279.677790][ T74] ip6_dst_alloc+0x23/0x90 [ 3279.677790][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3279.677790][ T74] ip6_pol_route+0x56f/0x840 [ 3279.677790][ T74] fib6_rule_lookup+0x456/0x630 [ 3279.677790][ T74] ip6_route_input+0x59c/0xa50 [ 3279.677790][ T74] ipv6_rcv+0x397/0x810 [ 3279.677790][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3279.677790][ T74] process_backlog+0x101/0x620 [ 3279.677790][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3279.677790][ T74] net_rx_action+0x495/0xbe0 [ 3279.677790][ T74] __do_softirq+0x1b5/0x7f6 [ 3279.677790][ T74] [ 3279.679467][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3279.679467][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3279.679467][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3279.679467][ T74] fib6_nh_init+0xa22/0x1580 [ 3279.679467][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3279.679467][ T74] ip6_route_add+0x1c/0x140 [ 3279.679467][ T74] inet6_rtm_newroute+0x104/0x110 [ 3279.679467][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3279.679467][ T74] netlink_rcv_skb+0x130/0x360 [ 3279.679467][ T74] netlink_unicast+0x449/0x710 [ 3279.679467][ T74] netlink_sendmsg+0x723/0xbe0 [ 3279.679467][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3279.679467][ T74] ___sys_sendmsg+0xee/0x170 [ 3279.679467][ T74] __sys_sendmsg+0xcd/0x170 [ 3279.679467][ T74] do_syscall_64+0xc6/0x1e0 [ 3279.679467][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3279.679467][ T74] [ 3279.681373][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3279.681373][ T74] netdev_get_by_index+0x5e/0x80 [ 3279.681373][ T74] fib6_nh_init+0x3d8/0x1580 [ 3279.681373][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3279.681373][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3279.681373][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3279.681373][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3279.681373][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3279.681373][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3279.681373][ T74] addrconf_dad_begin+0x310/0x670 [ 3279.681373][ T74] addrconf_dad_work+0x10b/0xab0 [ 3279.681373][ T74] process_one_work+0x84d/0x18a0 [ 3279.681373][ T74] worker_thread+0x587/0xd30 [ 3279.681373][ T74] kthread+0x28a/0x350 [ 3279.681373][ T74] ret_from_fork+0x31/0x70 [ 3279.681373][ T74] ret_from_fork_asm+0x1a/0x30 [ 3279.681373][ T74] [ 3279.683316][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3279.683316][ T74] netdev_get_by_index+0x5e/0x80 [ 3279.683316][ T74] fib6_nh_init+0x3d8/0x1580 [ 3279.683316][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3279.683316][ T74] ip6_route_add+0x1c/0x140 [ 3279.683316][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3279.683316][ T74] inet6_addr_add+0x4f8/0xa40 [ 3279.683316][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3279.683316][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3279.683316][ T74] netlink_rcv_skb+0x130/0x360 [ 3279.683316][ T74] netlink_unicast+0x449/0x710 [ 3279.683316][ T74] netlink_sendmsg+0x723/0xbe0 [ 3279.683316][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3279.683316][ T74] ___sys_sendmsg+0xee/0x170 [ 3279.683316][ T74] __sys_sendmsg+0xcd/0x170 [ 3279.683316][ T74] do_syscall_64+0xc6/0x1e0 [ 3279.683316][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3279.683316][ T74] [ 3279.685330][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3279.685330][ T74] netdev_get_by_index+0x5e/0x80 [ 3279.685330][ T74] fib6_nh_init+0x3d8/0x1580 [ 3279.685330][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3279.685330][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3279.685330][ T74] ipv6_add_addr+0x411/0x2000 [ 3279.685330][ T74] inet6_addr_add+0x30e/0xa40 [ 3279.685330][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3279.685330][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3279.685330][ T74] netlink_rcv_skb+0x130/0x360 [ 3279.685330][ T74] netlink_unicast+0x449/0x710 [ 3279.685330][ T74] netlink_sendmsg+0x723/0xbe0 [ 3279.685330][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3279.685330][ T74] ___sys_sendmsg+0xee/0x170 [ 3279.685330][ T74] __sys_sendmsg+0xcd/0x170 [ 3279.685330][ T74] do_syscall_64+0xc6/0x1e0 [ 3279.685330][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3279.685330][ T74] [ 3279.687357][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3279.687357][ T74] netdev_get_by_index+0x5e/0x80 [ 3279.687357][ T74] fib6_nh_init+0x3d8/0x1580 [ 3279.687357][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3279.687357][ T74] ip6_route_add+0x1c/0x140 [ 3279.687357][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3279.687357][ T74] addrconf_add_dev+0xe2/0x170 [ 3279.687357][ T74] inet6_addr_add+0x12f/0xa40 [ 3279.687357][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3279.687357][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3279.687357][ T74] netlink_rcv_skb+0x130/0x360 [ 3279.687357][ T74] netlink_unicast+0x449/0x710 [ 3279.687357][ T74] netlink_sendmsg+0x723/0xbe0 [ 3279.687357][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3279.687357][ T74] ___sys_sendmsg+0xee/0x170 [ 3279.687357][ T74] __sys_sendmsg+0xcd/0x170 [ 3279.687357][ T74] do_syscall_64+0xc6/0x1e0 [ 3279.687357][ T74] [ 3279.689349][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3279.689349][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3279.689349][ T74] ipv6_find_idev+0x102/0x170 [ 3279.689349][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3279.689349][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3279.689349][ T74] netlink_rcv_skb+0x130/0x360 [ 3279.689349][ T74] netlink_unicast+0x449/0x710 [ 3279.689349][ T74] netlink_sendmsg+0x723/0xbe0 [ 3279.689349][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3279.689349][ T74] ___sys_sendmsg+0xee/0x170 [ 3279.689349][ T74] __sys_sendmsg+0xcd/0x170 [ 3279.689349][ T74] do_syscall_64+0xc6/0x1e0 [ 3279.689349][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3279.689349][ T74] [ 3279.691088][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3279.691088][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3279.691088][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3279.691088][ T74] ipv6_find_idev+0x102/0x170 [ 3279.691088][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3279.691088][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3279.691088][ T74] netlink_rcv_skb+0x130/0x360 [ 3279.691088][ T74] netlink_unicast+0x449/0x710 [ 3279.691088][ T74] netlink_sendmsg+0x723/0xbe0 [ 3279.691088][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3279.691088][ T74] ___sys_sendmsg+0xee/0x170 [ 3279.691088][ T74] __sys_sendmsg+0xcd/0x170 [ 3279.691088][ T74] do_syscall_64+0xc6/0x1e0 [ 3279.691088][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3279.691088][ T74] [ 3279.693041][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3279.693289][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3279.693289][ T74] netdev_get_by_index+0x5e/0x80 [ 3279.693289][ T74] fib6_nh_init+0x3d8/0x1580 [ 3279.693289][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3279.693289][ T74] ip6_route_add+0x1c/0x140 [ 3279.693289][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3279.693289][ T74] inet6_addr_add+0x4f8/0xa40 [ 3279.693289][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3279.693289][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3279.693289][ T74] netlink_rcv_skb+0x130/0x360 [ 3279.693289][ T74] netlink_unicast+0x449/0x710 [ 3279.693289][ T74] netlink_sendmsg+0x723/0xbe0 [ 3279.693289][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3279.693289][ T74] ___sys_sendmsg+0xee/0x170 [ 3279.693289][ T74] __sys_sendmsg+0xcd/0x170 [ 3279.693289][ T74] do_syscall_64+0xc6/0x1e0 [ 3279.693289][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3279.693289][ T74] [ 3279.695588][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3279.695588][ T74] netdev_get_by_index+0x5e/0x80 [ 3279.695588][ T74] fib6_nh_init+0x3d8/0x1580 [ 3279.695588][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3279.695588][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3279.695588][ T74] ipv6_add_addr+0x411/0x2000 [ 3279.695588][ T74] inet6_addr_add+0x30e/0xa40 [ 3279.695588][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3279.695588][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3279.695588][ T74] netlink_rcv_skb+0x130/0x360 [ 3279.695588][ T74] netlink_unicast+0x449/0x710 [ 3279.695588][ T74] netlink_sendmsg+0x723/0xbe0 [ 3279.695588][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3279.695588][ T74] ___sys_sendmsg+0xee/0x170 [ 3279.695588][ T74] __sys_sendmsg+0xcd/0x170 [ 3279.695588][ T74] do_syscall_64+0xc6/0x1e0 [ 3279.695588][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3279.695588][ T74] [ 3279.697857][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3279.697857][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3279.697857][ T74] ipv6_find_idev+0x102/0x170 [ 3279.697857][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3279.697857][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3279.697857][ T74] netlink_rcv_skb+0x130/0x360 [ 3279.697857][ T74] netlink_unicast+0x449/0x710 [ 3279.697857][ T74] netlink_sendmsg+0x723/0xbe0 [ 3279.697857][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3279.697857][ T74] ___sys_sendmsg+0xee/0x170 [ 3279.697857][ T74] __sys_sendmsg+0xcd/0x170 [ 3279.697857][ T74] do_syscall_64+0xc6/0x1e0 [ 3279.697857][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3279.697857][ T74] [ 3279.699595][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3279.699595][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3279.699595][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3279.699595][ T74] ipv6_find_idev+0x102/0x170 [ 3279.699595][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3279.699595][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3279.699595][ T74] netlink_rcv_skb+0x130/0x360 [ 3279.699595][ T74] netlink_unicast+0x449/0x710 [ 3279.699595][ T74] netlink_sendmsg+0x723/0xbe0 [ 3279.699595][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3279.699595][ T74] ___sys_sendmsg+0xee/0x170 [ 3279.699595][ T74] __sys_sendmsg+0xcd/0x170 [ 3279.699595][ T74] do_syscall_64+0xc6/0x1e0 [ 3279.699595][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3279.699595][ T74] [ 3289.944030][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3289.944402][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3289.944402][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3289.944402][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3289.944402][ T74] fib6_nh_init+0xa22/0x1580 [ 3289.944402][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3289.944402][ T74] ip6_route_add+0x1c/0x140 [ 3289.944402][ T74] inet6_rtm_newroute+0x104/0x110 [ 3289.944402][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3289.944402][ T74] netlink_rcv_skb+0x130/0x360 [ 3289.944402][ T74] netlink_unicast+0x449/0x710 [ 3289.944402][ T74] netlink_sendmsg+0x723/0xbe0 [ 3289.944402][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3289.944402][ T74] ___sys_sendmsg+0xee/0x170 [ 3289.944402][ T74] __sys_sendmsg+0xcd/0x170 [ 3289.944402][ T74] do_syscall_64+0xc6/0x1e0 [ 3289.944402][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3289.944402][ T74] [ 3289.946841][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3289.946841][ T74] netdev_get_by_index+0x5e/0x80 [ 3289.946841][ T74] fib6_nh_init+0x3d8/0x1580 [ 3289.946841][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3289.946841][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3289.946841][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3289.946841][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3289.946841][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3289.946841][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3289.946841][ T74] addrconf_dad_begin+0x310/0x670 [ 3289.946841][ T74] addrconf_dad_work+0x10b/0xab0 [ 3289.946841][ T74] process_one_work+0x84d/0x18a0 [ 3289.946841][ T74] worker_thread+0x587/0xd30 [ 3289.946841][ T74] kthread+0x28a/0x350 [ 3289.946841][ T74] ret_from_fork+0x31/0x70 [ 3289.946841][ T74] ret_from_fork_asm+0x1a/0x30 [ 3289.946841][ T74] [ 3289.948766][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3289.948766][ T74] netdev_get_by_index+0x5e/0x80 [ 3289.948766][ T74] fib6_nh_init+0x3d8/0x1580 [ 3289.948766][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3289.948766][ T74] ip6_route_add+0x1c/0x140 [ 3289.948766][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3289.948766][ T74] inet6_addr_add+0x4f8/0xa40 [ 3289.948766][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3289.948766][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3289.948766][ T74] netlink_rcv_skb+0x130/0x360 [ 3289.948766][ T74] netlink_unicast+0x449/0x710 [ 3289.948766][ T74] netlink_sendmsg+0x723/0xbe0 [ 3289.948766][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3289.948766][ T74] ___sys_sendmsg+0xee/0x170 [ 3289.948766][ T74] __sys_sendmsg+0xcd/0x170 [ 3289.948766][ T74] do_syscall_64+0xc6/0x1e0 [ 3289.948766][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3289.948766][ T74] [ 3289.950775][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3289.950775][ T74] netdev_get_by_index+0x5e/0x80 [ 3289.950775][ T74] fib6_nh_init+0x3d8/0x1580 [ 3289.950775][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3289.950775][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3289.950775][ T74] ipv6_add_addr+0x411/0x2000 [ 3289.950775][ T74] inet6_addr_add+0x30e/0xa40 [ 3289.950775][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3289.950775][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3289.950775][ T74] netlink_rcv_skb+0x130/0x360 [ 3289.950775][ T74] netlink_unicast+0x449/0x710 [ 3289.950775][ T74] netlink_sendmsg+0x723/0xbe0 [ 3289.950775][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3289.950775][ T74] ___sys_sendmsg+0xee/0x170 [ 3289.950775][ T74] __sys_sendmsg+0xcd/0x170 [ 3289.950775][ T74] do_syscall_64+0xc6/0x1e0 [ 3289.950775][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3289.950775][ T74] [ 3289.952777][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3289.952777][ T74] netdev_get_by_index+0x5e/0x80 [ 3289.952777][ T74] fib6_nh_init+0x3d8/0x1580 [ 3289.952777][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3289.952777][ T74] ip6_route_add+0x1c/0x140 [ 3289.952777][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3289.952777][ T74] addrconf_add_dev+0xe2/0x170 [ 3289.952777][ T74] inet6_addr_add+0x12f/0xa40 [ 3289.952777][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3289.952777][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3289.952777][ T74] netlink_rcv_skb+0x130/0x360 [ 3289.952777][ T74] netlink_unicast+0x449/0x710 [ 3289.952777][ T74] netlink_sendmsg+0x723/0xbe0 [ 3289.952777][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3289.952777][ T74] ___sys_sendmsg+0xee/0x170 [ 3289.952777][ T74] __sys_sendmsg+0xcd/0x170 [ 3289.952777][ T74] do_syscall_64+0xc6/0x1e0 [ 3289.952777][ T74] [ 3289.954750][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3289.954750][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3289.954750][ T74] ipv6_find_idev+0x102/0x170 [ 3289.954750][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3289.954750][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3289.954750][ T74] netlink_rcv_skb+0x130/0x360 [ 3289.954750][ T74] netlink_unicast+0x449/0x710 [ 3289.954750][ T74] netlink_sendmsg+0x723/0xbe0 [ 3289.954750][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3289.954750][ T74] ___sys_sendmsg+0xee/0x170 [ 3289.954750][ T74] __sys_sendmsg+0xcd/0x170 [ 3289.954750][ T74] do_syscall_64+0xc6/0x1e0 [ 3289.954750][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3289.954750][ T74] [ 3289.956286][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3289.956286][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3289.956286][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3289.956286][ T74] ipv6_find_idev+0x102/0x170 [ 3289.956286][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3289.956286][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3289.956286][ T74] netlink_rcv_skb+0x130/0x360 [ 3289.956286][ T74] netlink_unicast+0x449/0x710 [ 3289.956286][ T74] netlink_sendmsg+0x723/0xbe0 [ 3289.956286][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3289.956286][ T74] ___sys_sendmsg+0xee/0x170 [ 3289.956286][ T74] __sys_sendmsg+0xcd/0x170 [ 3289.956286][ T74] do_syscall_64+0xc6/0x1e0 [ 3289.956286][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3289.956286][ T74] [ 3289.958018][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3289.958293][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3289.958293][ T74] dst_init+0x84/0x4a0 [ 3289.958293][ T74] dst_alloc+0x97/0x150 [ 3289.958293][ T74] ip6_dst_alloc+0x23/0x90 [ 3289.958293][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3289.958293][ T74] ip6_pol_route+0x56f/0x840 [ 3289.958293][ T74] fib6_rule_lookup+0x456/0x630 [ 3289.958293][ T74] ip6_route_input+0x59c/0xa50 [ 3289.958293][ T74] ipv6_rcv+0x397/0x810 [ 3289.958293][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3289.958293][ T74] process_backlog+0x101/0x620 [ 3289.958293][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3289.958293][ T74] net_rx_action+0x495/0xbe0 [ 3289.958293][ T74] __do_softirq+0x1b5/0x7f6 [ 3289.958293][ T74] [ 3289.959923][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3289.959923][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3289.959923][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3289.959923][ T74] fib6_nh_init+0xa22/0x1580 [ 3289.959923][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3289.959923][ T74] ip6_route_add+0x1c/0x140 [ 3289.959923][ T74] inet6_rtm_newroute+0x104/0x110 [ 3289.959923][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3289.959923][ T74] netlink_rcv_skb+0x130/0x360 [ 3289.959923][ T74] netlink_unicast+0x449/0x710 [ 3289.959923][ T74] netlink_sendmsg+0x723/0xbe0 [ 3289.959923][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3289.959923][ T74] ___sys_sendmsg+0xee/0x170 [ 3289.959923][ T74] __sys_sendmsg+0xcd/0x170 [ 3289.959923][ T74] do_syscall_64+0xc6/0x1e0 [ 3289.959923][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3289.959923][ T74] [ 3289.963976][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3289.963976][ T74] netdev_get_by_index+0x5e/0x80 [ 3289.963976][ T74] fib6_nh_init+0x3d8/0x1580 [ 3289.963976][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3289.963976][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3289.963976][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3289.963976][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3289.963976][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3289.963976][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3289.963976][ T74] addrconf_dad_begin+0x310/0x670 [ 3289.963976][ T74] addrconf_dad_work+0x10b/0xab0 [ 3289.963976][ T74] process_one_work+0x84d/0x18a0 [ 3289.963976][ T74] worker_thread+0x587/0xd30 [ 3289.963976][ T74] kthread+0x28a/0x350 [ 3289.963976][ T74] ret_from_fork+0x31/0x70 [ 3289.963976][ T74] ret_from_fork_asm+0x1a/0x30 [ 3289.963976][ T74] [ 3289.965913][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3289.965913][ T74] netdev_get_by_index+0x5e/0x80 [ 3289.965913][ T74] fib6_nh_init+0x3d8/0x1580 [ 3289.965913][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3289.965913][ T74] ip6_route_add+0x1c/0x140 [ 3289.965913][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3289.965913][ T74] inet6_addr_add+0x4f8/0xa40 [ 3289.965913][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3289.965913][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3289.965913][ T74] netlink_rcv_skb+0x130/0x360 [ 3289.965913][ T74] netlink_unicast+0x449/0x710 [ 3289.965913][ T74] netlink_sendmsg+0x723/0xbe0 [ 3289.965913][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3289.965913][ T74] ___sys_sendmsg+0xee/0x170 [ 3289.965913][ T74] __sys_sendmsg+0xcd/0x170 [ 3289.965913][ T74] do_syscall_64+0xc6/0x1e0 [ 3289.965913][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3289.965913][ T74] [ 3289.967942][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3289.967942][ T74] netdev_get_by_index+0x5e/0x80 [ 3289.967942][ T74] fib6_nh_init+0x3d8/0x1580 [ 3289.967942][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3289.967942][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3289.967942][ T74] ipv6_add_addr+0x411/0x2000 [ 3289.967942][ T74] inet6_addr_add+0x30e/0xa40 [ 3289.967942][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3289.967942][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3289.967942][ T74] netlink_rcv_skb+0x130/0x360 [ 3289.967942][ T74] netlink_unicast+0x449/0x710 [ 3289.967942][ T74] netlink_sendmsg+0x723/0xbe0 [ 3289.967942][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3289.967942][ T74] ___sys_sendmsg+0xee/0x170 [ 3289.967942][ T74] __sys_sendmsg+0xcd/0x170 [ 3289.967942][ T74] do_syscall_64+0xc6/0x1e0 [ 3289.967942][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3289.967942][ T74] [ 3289.969955][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3289.969955][ T74] netdev_get_by_index+0x5e/0x80 [ 3289.969955][ T74] fib6_nh_init+0x3d8/0x1580 [ 3289.969955][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3289.969955][ T74] ip6_route_add+0x1c/0x140 [ 3289.969955][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3289.969955][ T74] addrconf_add_dev+0xe2/0x170 [ 3289.969955][ T74] inet6_addr_add+0x12f/0xa40 [ 3289.969955][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3289.969955][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3289.969955][ T74] netlink_rcv_skb+0x130/0x360 [ 3289.969955][ T74] netlink_unicast+0x449/0x710 [ 3289.969955][ T74] netlink_sendmsg+0x723/0xbe0 [ 3289.969955][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3289.969955][ T74] ___sys_sendmsg+0xee/0x170 [ 3289.969955][ T74] __sys_sendmsg+0xcd/0x170 [ 3289.969955][ T74] do_syscall_64+0xc6/0x1e0 [ 3289.969955][ T74] [ 3289.971938][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3289.971938][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3289.971938][ T74] ipv6_find_idev+0x102/0x170 [ 3289.971938][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3289.971938][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3289.971938][ T74] netlink_rcv_skb+0x130/0x360 [ 3289.971938][ T74] netlink_unicast+0x449/0x710 [ 3289.971938][ T74] netlink_sendmsg+0x723/0xbe0 [ 3289.971938][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3289.971938][ T74] ___sys_sendmsg+0xee/0x170 [ 3289.971938][ T74] __sys_sendmsg+0xcd/0x170 [ 3289.971938][ T74] do_syscall_64+0xc6/0x1e0 [ 3289.971938][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3289.971938][ T74] [ 3289.973684][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3289.973684][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3289.973684][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3289.973684][ T74] ipv6_find_idev+0x102/0x170 [ 3289.973684][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3289.973684][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3289.973684][ T74] netlink_rcv_skb+0x130/0x360 [ 3289.973684][ T74] netlink_unicast+0x449/0x710 [ 3289.973684][ T74] netlink_sendmsg+0x723/0xbe0 [ 3289.973684][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3289.973684][ T74] ___sys_sendmsg+0xee/0x170 [ 3289.973684][ T74] __sys_sendmsg+0xcd/0x170 [ 3289.973684][ T74] do_syscall_64+0xc6/0x1e0 [ 3289.973684][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3289.973684][ T74] [ 3289.975635][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3289.975890][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3289.975890][ T74] netdev_get_by_index+0x5e/0x80 [ 3289.975890][ T74] fib6_nh_init+0x3d8/0x1580 [ 3289.975890][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3289.975890][ T74] ip6_route_add+0x1c/0x140 [ 3289.975890][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3289.975890][ T74] inet6_addr_add+0x4f8/0xa40 [ 3289.975890][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3289.975890][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3289.975890][ T74] netlink_rcv_skb+0x130/0x360 [ 3289.975890][ T74] netlink_unicast+0x449/0x710 [ 3289.975890][ T74] netlink_sendmsg+0x723/0xbe0 [ 3289.975890][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3289.975890][ T74] ___sys_sendmsg+0xee/0x170 [ 3289.975890][ T74] __sys_sendmsg+0xcd/0x170 [ 3289.975890][ T74] do_syscall_64+0xc6/0x1e0 [ 3289.975890][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3289.975890][ T74] [ 3289.978153][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3289.978153][ T74] netdev_get_by_index+0x5e/0x80 [ 3289.978153][ T74] fib6_nh_init+0x3d8/0x1580 [ 3289.978153][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3289.978153][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3289.978153][ T74] ipv6_add_addr+0x411/0x2000 [ 3289.978153][ T74] inet6_addr_add+0x30e/0xa40 [ 3289.978153][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3289.978153][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3289.978153][ T74] netlink_rcv_skb+0x130/0x360 [ 3289.978153][ T74] netlink_unicast+0x449/0x710 [ 3289.978153][ T74] netlink_sendmsg+0x723/0xbe0 [ 3289.978153][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3289.978153][ T74] ___sys_sendmsg+0xee/0x170 [ 3289.978153][ T74] __sys_sendmsg+0xcd/0x170 [ 3289.978153][ T74] do_syscall_64+0xc6/0x1e0 [ 3289.978153][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3289.978153][ T74] [ 3289.980408][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3289.980408][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3289.980408][ T74] ipv6_find_idev+0x102/0x170 [ 3289.980408][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3289.980408][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3289.980408][ T74] netlink_rcv_skb+0x130/0x360 [ 3289.980408][ T74] netlink_unicast+0x449/0x710 [ 3289.980408][ T74] netlink_sendmsg+0x723/0xbe0 [ 3289.980408][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3289.980408][ T74] ___sys_sendmsg+0xee/0x170 [ 3289.980408][ T74] __sys_sendmsg+0xcd/0x170 [ 3289.980408][ T74] do_syscall_64+0xc6/0x1e0 [ 3289.980408][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3289.980408][ T74] [ 3289.982145][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3289.982145][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3289.982145][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3289.982145][ T74] ipv6_find_idev+0x102/0x170 [ 3289.982145][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3289.982145][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3289.982145][ T74] netlink_rcv_skb+0x130/0x360 [ 3289.982145][ T74] netlink_unicast+0x449/0x710 [ 3289.982145][ T74] netlink_sendmsg+0x723/0xbe0 [ 3289.982145][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3289.982145][ T74] ___sys_sendmsg+0xee/0x170 [ 3289.982145][ T74] __sys_sendmsg+0xcd/0x170 [ 3289.982145][ T74] do_syscall_64+0xc6/0x1e0 [ 3289.982145][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3289.982145][ T74] [ 3300.224001][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3300.224408][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3300.224408][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3300.224408][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3300.224408][ T74] fib6_nh_init+0xa22/0x1580 [ 3300.224408][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3300.224408][ T74] ip6_route_add+0x1c/0x140 [ 3300.224408][ T74] inet6_rtm_newroute+0x104/0x110 [ 3300.224408][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3300.224408][ T74] netlink_rcv_skb+0x130/0x360 [ 3300.224408][ T74] netlink_unicast+0x449/0x710 [ 3300.224408][ T74] netlink_sendmsg+0x723/0xbe0 [ 3300.224408][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3300.224408][ T74] ___sys_sendmsg+0xee/0x170 [ 3300.224408][ T74] __sys_sendmsg+0xcd/0x170 [ 3300.224408][ T74] do_syscall_64+0xc6/0x1e0 [ 3300.224408][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3300.224408][ T74] [ 3300.226326][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3300.226326][ T74] netdev_get_by_index+0x5e/0x80 [ 3300.226326][ T74] fib6_nh_init+0x3d8/0x1580 [ 3300.226326][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3300.226326][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3300.226326][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3300.226326][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3300.226326][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3300.226326][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3300.226326][ T74] addrconf_dad_begin+0x310/0x670 [ 3300.226326][ T74] addrconf_dad_work+0x10b/0xab0 [ 3300.226326][ T74] process_one_work+0x84d/0x18a0 [ 3300.226326][ T74] worker_thread+0x587/0xd30 [ 3300.226326][ T74] kthread+0x28a/0x350 [ 3300.226326][ T74] ret_from_fork+0x31/0x70 [ 3300.226326][ T74] ret_from_fork_asm+0x1a/0x30 [ 3300.226326][ T74] [ 3300.228259][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3300.228259][ T74] netdev_get_by_index+0x5e/0x80 [ 3300.228259][ T74] fib6_nh_init+0x3d8/0x1580 [ 3300.228259][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3300.228259][ T74] ip6_route_add+0x1c/0x140 [ 3300.228259][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3300.228259][ T74] inet6_addr_add+0x4f8/0xa40 [ 3300.228259][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3300.228259][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3300.228259][ T74] netlink_rcv_skb+0x130/0x360 [ 3300.228259][ T74] netlink_unicast+0x449/0x710 [ 3300.228259][ T74] netlink_sendmsg+0x723/0xbe0 [ 3300.228259][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3300.228259][ T74] ___sys_sendmsg+0xee/0x170 [ 3300.228259][ T74] __sys_sendmsg+0xcd/0x170 [ 3300.228259][ T74] do_syscall_64+0xc6/0x1e0 [ 3300.228259][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3300.228259][ T74] [ 3300.230274][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3300.230274][ T74] netdev_get_by_index+0x5e/0x80 [ 3300.230274][ T74] fib6_nh_init+0x3d8/0x1580 [ 3300.230274][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3300.230274][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3300.230274][ T74] ipv6_add_addr+0x411/0x2000 [ 3300.230274][ T74] inet6_addr_add+0x30e/0xa40 [ 3300.230274][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3300.230274][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3300.230274][ T74] netlink_rcv_skb+0x130/0x360 [ 3300.230274][ T74] netlink_unicast+0x449/0x710 [ 3300.230274][ T74] netlink_sendmsg+0x723/0xbe0 [ 3300.230274][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3300.230274][ T74] ___sys_sendmsg+0xee/0x170 [ 3300.230274][ T74] __sys_sendmsg+0xcd/0x170 [ 3300.230274][ T74] do_syscall_64+0xc6/0x1e0 [ 3300.230274][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3300.230274][ T74] [ 3300.232286][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3300.232286][ T74] netdev_get_by_index+0x5e/0x80 [ 3300.232286][ T74] fib6_nh_init+0x3d8/0x1580 [ 3300.232286][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3300.232286][ T74] ip6_route_add+0x1c/0x140 [ 3300.232286][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3300.232286][ T74] addrconf_add_dev+0xe2/0x170 [ 3300.232286][ T74] inet6_addr_add+0x12f/0xa40 [ 3300.232286][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3300.232286][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3300.232286][ T74] netlink_rcv_skb+0x130/0x360 [ 3300.232286][ T74] netlink_unicast+0x449/0x710 [ 3300.232286][ T74] netlink_sendmsg+0x723/0xbe0 [ 3300.232286][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3300.232286][ T74] ___sys_sendmsg+0xee/0x170 [ 3300.232286][ T74] __sys_sendmsg+0xcd/0x170 [ 3300.232286][ T74] do_syscall_64+0xc6/0x1e0 [ 3300.232286][ T74] [ 3300.234289][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3300.234289][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3300.234289][ T74] ipv6_find_idev+0x102/0x170 [ 3300.234289][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3300.234289][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3300.234289][ T74] netlink_rcv_skb+0x130/0x360 [ 3300.234289][ T74] netlink_unicast+0x449/0x710 [ 3300.234289][ T74] netlink_sendmsg+0x723/0xbe0 [ 3300.234289][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3300.234289][ T74] ___sys_sendmsg+0xee/0x170 [ 3300.234289][ T74] __sys_sendmsg+0xcd/0x170 [ 3300.234289][ T74] do_syscall_64+0xc6/0x1e0 [ 3300.234289][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3300.234289][ T74] [ 3300.235833][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3300.235833][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3300.235833][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3300.235833][ T74] ipv6_find_idev+0x102/0x170 [ 3300.235833][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3300.235833][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3300.235833][ T74] netlink_rcv_skb+0x130/0x360 [ 3300.235833][ T74] netlink_unicast+0x449/0x710 [ 3300.235833][ T74] netlink_sendmsg+0x723/0xbe0 [ 3300.235833][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3300.235833][ T74] ___sys_sendmsg+0xee/0x170 [ 3300.235833][ T74] __sys_sendmsg+0xcd/0x170 [ 3300.235833][ T74] do_syscall_64+0xc6/0x1e0 [ 3300.235833][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3300.235833][ T74] [ 3300.237538][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3300.237813][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3300.237813][ T74] dst_init+0x84/0x4a0 [ 3300.237813][ T74] dst_alloc+0x97/0x150 [ 3300.237813][ T74] ip6_dst_alloc+0x23/0x90 [ 3300.237813][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3300.237813][ T74] ip6_pol_route+0x56f/0x840 [ 3300.237813][ T74] fib6_rule_lookup+0x456/0x630 [ 3300.237813][ T74] ip6_route_input+0x59c/0xa50 [ 3300.237813][ T74] ipv6_rcv+0x397/0x810 [ 3300.237813][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3300.237813][ T74] process_backlog+0x101/0x620 [ 3300.237813][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3300.237813][ T74] net_rx_action+0x495/0xbe0 [ 3300.237813][ T74] __do_softirq+0x1b5/0x7f6 [ 3300.237813][ T74] [ 3300.239456][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3300.239456][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3300.239456][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3300.239456][ T74] fib6_nh_init+0xa22/0x1580 [ 3300.239456][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3300.239456][ T74] ip6_route_add+0x1c/0x140 [ 3300.239456][ T74] inet6_rtm_newroute+0x104/0x110 [ 3300.239456][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3300.239456][ T74] netlink_rcv_skb+0x130/0x360 [ 3300.239456][ T74] netlink_unicast+0x449/0x710 [ 3300.239456][ T74] netlink_sendmsg+0x723/0xbe0 [ 3300.239456][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3300.239456][ T74] ___sys_sendmsg+0xee/0x170 [ 3300.239456][ T74] __sys_sendmsg+0xcd/0x170 [ 3300.239456][ T74] do_syscall_64+0xc6/0x1e0 [ 3300.239456][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3300.239456][ T74] [ 3300.241353][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3300.241353][ T74] netdev_get_by_index+0x5e/0x80 [ 3300.241353][ T74] fib6_nh_init+0x3d8/0x1580 [ 3300.241353][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3300.241353][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3300.241353][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3300.241353][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3300.241353][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3300.241353][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3300.241353][ T74] addrconf_dad_begin+0x310/0x670 [ 3300.241353][ T74] addrconf_dad_work+0x10b/0xab0 [ 3300.241353][ T74] process_one_work+0x84d/0x18a0 [ 3300.241353][ T74] worker_thread+0x587/0xd30 [ 3300.241353][ T74] kthread+0x28a/0x350 [ 3300.241353][ T74] ret_from_fork+0x31/0x70 [ 3300.241353][ T74] ret_from_fork_asm+0x1a/0x30 [ 3300.241353][ T74] [ 3300.243279][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3300.243279][ T74] netdev_get_by_index+0x5e/0x80 [ 3300.243279][ T74] fib6_nh_init+0x3d8/0x1580 [ 3300.243279][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3300.243279][ T74] ip6_route_add+0x1c/0x140 [ 3300.243279][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3300.243279][ T74] inet6_addr_add+0x4f8/0xa40 [ 3300.243279][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3300.243279][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3300.243279][ T74] netlink_rcv_skb+0x130/0x360 [ 3300.243279][ T74] netlink_unicast+0x449/0x710 [ 3300.243279][ T74] netlink_sendmsg+0x723/0xbe0 [ 3300.243279][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3300.243279][ T74] ___sys_sendmsg+0xee/0x170 [ 3300.243279][ T74] __sys_sendmsg+0xcd/0x170 [ 3300.243279][ T74] do_syscall_64+0xc6/0x1e0 [ 3300.243279][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3300.243279][ T74] [ 3300.245287][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3300.245287][ T74] netdev_get_by_index+0x5e/0x80 [ 3300.245287][ T74] fib6_nh_init+0x3d8/0x1580 [ 3300.245287][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3300.245287][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3300.245287][ T74] ipv6_add_addr+0x411/0x2000 [ 3300.245287][ T74] inet6_addr_add+0x30e/0xa40 [ 3300.245287][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3300.245287][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3300.245287][ T74] netlink_rcv_skb+0x130/0x360 [ 3300.245287][ T74] netlink_unicast+0x449/0x710 [ 3300.245287][ T74] netlink_sendmsg+0x723/0xbe0 [ 3300.245287][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3300.245287][ T74] ___sys_sendmsg+0xee/0x170 [ 3300.245287][ T74] __sys_sendmsg+0xcd/0x170 [ 3300.245287][ T74] do_syscall_64+0xc6/0x1e0 [ 3300.245287][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3300.245287][ T74] [ 3300.247299][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3300.247299][ T74] netdev_get_by_index+0x5e/0x80 [ 3300.247299][ T74] fib6_nh_init+0x3d8/0x1580 [ 3300.247299][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3300.247299][ T74] ip6_route_add+0x1c/0x140 [ 3300.247299][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3300.247299][ T74] addrconf_add_dev+0xe2/0x170 [ 3300.247299][ T74] inet6_addr_add+0x12f/0xa40 [ 3300.247299][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3300.247299][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3300.247299][ T74] netlink_rcv_skb+0x130/0x360 [ 3300.247299][ T74] netlink_unicast+0x449/0x710 [ 3300.247299][ T74] netlink_sendmsg+0x723/0xbe0 [ 3300.247299][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3300.247299][ T74] ___sys_sendmsg+0xee/0x170 [ 3300.247299][ T74] __sys_sendmsg+0xcd/0x170 [ 3300.247299][ T74] do_syscall_64+0xc6/0x1e0 [ 3300.247299][ T74] [ 3300.249273][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3300.249273][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3300.249273][ T74] ipv6_find_idev+0x102/0x170 [ 3300.249273][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3300.249273][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3300.249273][ T74] netlink_rcv_skb+0x130/0x360 [ 3300.249273][ T74] netlink_unicast+0x449/0x710 [ 3300.249273][ T74] netlink_sendmsg+0x723/0xbe0 [ 3300.249273][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3300.249273][ T74] ___sys_sendmsg+0xee/0x170 [ 3300.249273][ T74] __sys_sendmsg+0xcd/0x170 [ 3300.249273][ T74] do_syscall_64+0xc6/0x1e0 [ 3300.249273][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3300.249273][ T74] [ 3300.251008][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3300.251008][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3300.251008][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3300.251008][ T74] ipv6_find_idev+0x102/0x170 [ 3300.251008][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3300.251008][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3300.251008][ T74] netlink_rcv_skb+0x130/0x360 [ 3300.251008][ T74] netlink_unicast+0x449/0x710 [ 3300.251008][ T74] netlink_sendmsg+0x723/0xbe0 [ 3300.251008][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3300.251008][ T74] ___sys_sendmsg+0xee/0x170 [ 3300.251008][ T74] __sys_sendmsg+0xcd/0x170 [ 3300.251008][ T74] do_syscall_64+0xc6/0x1e0 [ 3300.251008][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3300.251008][ T74] [ 3300.252950][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3300.253218][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3300.253218][ T74] netdev_get_by_index+0x5e/0x80 [ 3300.253218][ T74] fib6_nh_init+0x3d8/0x1580 [ 3300.253218][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3300.253218][ T74] ip6_route_add+0x1c/0x140 [ 3300.253218][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3300.253218][ T74] inet6_addr_add+0x4f8/0xa40 [ 3300.253218][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3300.253218][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3300.253218][ T74] netlink_rcv_skb+0x130/0x360 [ 3300.253218][ T74] netlink_unicast+0x449/0x710 [ 3300.253218][ T74] netlink_sendmsg+0x723/0xbe0 [ 3300.253218][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3300.253218][ T74] ___sys_sendmsg+0xee/0x170 [ 3300.253218][ T74] __sys_sendmsg+0xcd/0x170 [ 3300.253218][ T74] do_syscall_64+0xc6/0x1e0 [ 3300.253218][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3300.253218][ T74] [ 3300.255458][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3300.255458][ T74] netdev_get_by_index+0x5e/0x80 [ 3300.255458][ T74] fib6_nh_init+0x3d8/0x1580 [ 3300.255458][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3300.255458][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3300.255458][ T74] ipv6_add_addr+0x411/0x2000 [ 3300.255458][ T74] inet6_addr_add+0x30e/0xa40 [ 3300.255458][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3300.255458][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3300.255458][ T74] netlink_rcv_skb+0x130/0x360 [ 3300.255458][ T74] netlink_unicast+0x449/0x710 [ 3300.255458][ T74] netlink_sendmsg+0x723/0xbe0 [ 3300.255458][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3300.255458][ T74] ___sys_sendmsg+0xee/0x170 [ 3300.255458][ T74] __sys_sendmsg+0xcd/0x170 [ 3300.255458][ T74] do_syscall_64+0xc6/0x1e0 [ 3300.255458][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3300.255458][ T74] [ 3300.257708][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3300.257708][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3300.257708][ T74] ipv6_find_idev+0x102/0x170 [ 3300.257708][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3300.257708][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3300.257708][ T74] netlink_rcv_skb+0x130/0x360 [ 3300.257708][ T74] netlink_unicast+0x449/0x710 [ 3300.257708][ T74] netlink_sendmsg+0x723/0xbe0 [ 3300.257708][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3300.257708][ T74] ___sys_sendmsg+0xee/0x170 [ 3300.257708][ T74] __sys_sendmsg+0xcd/0x170 [ 3300.257708][ T74] do_syscall_64+0xc6/0x1e0 [ 3300.257708][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3300.257708][ T74] [ 3300.259442][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3300.259442][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3300.259442][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3300.259442][ T74] ipv6_find_idev+0x102/0x170 [ 3300.259442][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3300.259442][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3300.259442][ T74] netlink_rcv_skb+0x130/0x360 [ 3300.259442][ T74] netlink_unicast+0x449/0x710 [ 3300.259442][ T74] netlink_sendmsg+0x723/0xbe0 [ 3300.259442][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3300.259442][ T74] ___sys_sendmsg+0xee/0x170 [ 3300.259442][ T74] __sys_sendmsg+0xcd/0x170 [ 3300.259442][ T74] do_syscall_64+0xc6/0x1e0 [ 3300.259442][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3300.259442][ T74] [ 3310.503927][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3310.504303][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3310.504303][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3310.504303][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3310.504303][ T74] fib6_nh_init+0xa22/0x1580 [ 3310.504303][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3310.504303][ T74] ip6_route_add+0x1c/0x140 [ 3310.504303][ T74] inet6_rtm_newroute+0x104/0x110 [ 3310.504303][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3310.504303][ T74] netlink_rcv_skb+0x130/0x360 [ 3310.504303][ T74] netlink_unicast+0x449/0x710 [ 3310.504303][ T74] netlink_sendmsg+0x723/0xbe0 [ 3310.504303][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3310.504303][ T74] ___sys_sendmsg+0xee/0x170 [ 3310.504303][ T74] __sys_sendmsg+0xcd/0x170 [ 3310.504303][ T74] do_syscall_64+0xc6/0x1e0 [ 3310.504303][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3310.504303][ T74] [ 3310.506249][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3310.506249][ T74] netdev_get_by_index+0x5e/0x80 [ 3310.506249][ T74] fib6_nh_init+0x3d8/0x1580 [ 3310.506249][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3310.506249][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3310.506249][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3310.506249][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3310.506249][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3310.506249][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3310.506249][ T74] addrconf_dad_begin+0x310/0x670 [ 3310.506249][ T74] addrconf_dad_work+0x10b/0xab0 [ 3310.506249][ T74] process_one_work+0x84d/0x18a0 [ 3310.506249][ T74] worker_thread+0x587/0xd30 [ 3310.506249][ T74] kthread+0x28a/0x350 [ 3310.506249][ T74] ret_from_fork+0x31/0x70 [ 3310.506249][ T74] ret_from_fork_asm+0x1a/0x30 [ 3310.506249][ T74] [ 3310.508186][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3310.508186][ T74] netdev_get_by_index+0x5e/0x80 [ 3310.508186][ T74] fib6_nh_init+0x3d8/0x1580 [ 3310.508186][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3310.508186][ T74] ip6_route_add+0x1c/0x140 [ 3310.508186][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3310.508186][ T74] inet6_addr_add+0x4f8/0xa40 [ 3310.508186][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3310.508186][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3310.508186][ T74] netlink_rcv_skb+0x130/0x360 [ 3310.508186][ T74] netlink_unicast+0x449/0x710 [ 3310.508186][ T74] netlink_sendmsg+0x723/0xbe0 [ 3310.508186][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3310.508186][ T74] ___sys_sendmsg+0xee/0x170 [ 3310.508186][ T74] __sys_sendmsg+0xcd/0x170 [ 3310.508186][ T74] do_syscall_64+0xc6/0x1e0 [ 3310.508186][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3310.508186][ T74] [ 3310.510226][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3310.510226][ T74] netdev_get_by_index+0x5e/0x80 [ 3310.510226][ T74] fib6_nh_init+0x3d8/0x1580 [ 3310.510226][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3310.510226][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3310.510226][ T74] ipv6_add_addr+0x411/0x2000 [ 3310.510226][ T74] inet6_addr_add+0x30e/0xa40 [ 3310.510226][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3310.510226][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3310.510226][ T74] netlink_rcv_skb+0x130/0x360 [ 3310.510226][ T74] netlink_unicast+0x449/0x710 [ 3310.510226][ T74] netlink_sendmsg+0x723/0xbe0 [ 3310.510226][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3310.510226][ T74] ___sys_sendmsg+0xee/0x170 [ 3310.510226][ T74] __sys_sendmsg+0xcd/0x170 [ 3310.510226][ T74] do_syscall_64+0xc6/0x1e0 [ 3310.510226][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3310.510226][ T74] [ 3310.512246][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3310.512246][ T74] netdev_get_by_index+0x5e/0x80 [ 3310.512246][ T74] fib6_nh_init+0x3d8/0x1580 [ 3310.512246][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3310.512246][ T74] ip6_route_add+0x1c/0x140 [ 3310.512246][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3310.512246][ T74] addrconf_add_dev+0xe2/0x170 [ 3310.512246][ T74] inet6_addr_add+0x12f/0xa40 [ 3310.512246][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3310.512246][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3310.512246][ T74] netlink_rcv_skb+0x130/0x360 [ 3310.512246][ T74] netlink_unicast+0x449/0x710 [ 3310.512246][ T74] netlink_sendmsg+0x723/0xbe0 [ 3310.512246][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3310.512246][ T74] ___sys_sendmsg+0xee/0x170 [ 3310.512246][ T74] __sys_sendmsg+0xcd/0x170 [ 3310.512246][ T74] do_syscall_64+0xc6/0x1e0 [ 3310.512246][ T74] [ 3310.514255][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3310.514255][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3310.514255][ T74] ipv6_find_idev+0x102/0x170 [ 3310.514255][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3310.514255][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3310.514255][ T74] netlink_rcv_skb+0x130/0x360 [ 3310.514255][ T74] netlink_unicast+0x449/0x710 [ 3310.514255][ T74] netlink_sendmsg+0x723/0xbe0 [ 3310.514255][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3310.514255][ T74] ___sys_sendmsg+0xee/0x170 [ 3310.514255][ T74] __sys_sendmsg+0xcd/0x170 [ 3310.514255][ T74] do_syscall_64+0xc6/0x1e0 [ 3310.514255][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3310.514255][ T74] [ 3310.515812][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3310.515812][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3310.515812][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3310.515812][ T74] ipv6_find_idev+0x102/0x170 [ 3310.515812][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3310.515812][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3310.515812][ T74] netlink_rcv_skb+0x130/0x360 [ 3310.515812][ T74] netlink_unicast+0x449/0x710 [ 3310.515812][ T74] netlink_sendmsg+0x723/0xbe0 [ 3310.515812][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3310.515812][ T74] ___sys_sendmsg+0xee/0x170 [ 3310.515812][ T74] __sys_sendmsg+0xcd/0x170 [ 3310.515812][ T74] do_syscall_64+0xc6/0x1e0 [ 3310.515812][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3310.515812][ T74] [ 3310.517535][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3310.517805][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3310.517805][ T74] dst_init+0x84/0x4a0 [ 3310.517805][ T74] dst_alloc+0x97/0x150 [ 3310.517805][ T74] ip6_dst_alloc+0x23/0x90 [ 3310.517805][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3310.517805][ T74] ip6_pol_route+0x56f/0x840 [ 3310.517805][ T74] fib6_rule_lookup+0x456/0x630 [ 3310.517805][ T74] ip6_route_input+0x59c/0xa50 [ 3310.517805][ T74] ipv6_rcv+0x397/0x810 [ 3310.517805][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3310.517805][ T74] process_backlog+0x101/0x620 [ 3310.517805][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3310.517805][ T74] net_rx_action+0x495/0xbe0 [ 3310.517805][ T74] __do_softirq+0x1b5/0x7f6 [ 3310.517805][ T74] [ 3310.519480][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3310.519480][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3310.519480][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3310.519480][ T74] fib6_nh_init+0xa22/0x1580 [ 3310.519480][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3310.519480][ T74] ip6_route_add+0x1c/0x140 [ 3310.519480][ T74] inet6_rtm_newroute+0x104/0x110 [ 3310.519480][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3310.519480][ T74] netlink_rcv_skb+0x130/0x360 [ 3310.519480][ T74] netlink_unicast+0x449/0x710 [ 3310.519480][ T74] netlink_sendmsg+0x723/0xbe0 [ 3310.519480][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3310.519480][ T74] ___sys_sendmsg+0xee/0x170 [ 3310.519480][ T74] __sys_sendmsg+0xcd/0x170 [ 3310.519480][ T74] do_syscall_64+0xc6/0x1e0 [ 3310.519480][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3310.519480][ T74] [ 3310.521380][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3310.521380][ T74] netdev_get_by_index+0x5e/0x80 [ 3310.521380][ T74] fib6_nh_init+0x3d8/0x1580 [ 3310.521380][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3310.521380][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3310.521380][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3310.521380][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3310.521380][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3310.521380][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3310.521380][ T74] addrconf_dad_begin+0x310/0x670 [ 3310.521380][ T74] addrconf_dad_work+0x10b/0xab0 [ 3310.521380][ T74] process_one_work+0x84d/0x18a0 [ 3310.521380][ T74] worker_thread+0x587/0xd30 [ 3310.521380][ T74] kthread+0x28a/0x350 [ 3310.521380][ T74] ret_from_fork+0x31/0x70 [ 3310.521380][ T74] ret_from_fork_asm+0x1a/0x30 [ 3310.521380][ T74] [ 3310.523327][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3310.523327][ T74] netdev_get_by_index+0x5e/0x80 [ 3310.523327][ T74] fib6_nh_init+0x3d8/0x1580 [ 3310.523327][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3310.523327][ T74] ip6_route_add+0x1c/0x140 [ 3310.523327][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3310.523327][ T74] inet6_addr_add+0x4f8/0xa40 [ 3310.523327][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3310.523327][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3310.523327][ T74] netlink_rcv_skb+0x130/0x360 [ 3310.523327][ T74] netlink_unicast+0x449/0x710 [ 3310.523327][ T74] netlink_sendmsg+0x723/0xbe0 [ 3310.523327][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3310.523327][ T74] ___sys_sendmsg+0xee/0x170 [ 3310.523327][ T74] __sys_sendmsg+0xcd/0x170 [ 3310.523327][ T74] do_syscall_64+0xc6/0x1e0 [ 3310.523327][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3310.523327][ T74] [ 3310.525353][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3310.525353][ T74] netdev_get_by_index+0x5e/0x80 [ 3310.525353][ T74] fib6_nh_init+0x3d8/0x1580 [ 3310.525353][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3310.525353][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3310.525353][ T74] ipv6_add_addr+0x411/0x2000 [ 3310.525353][ T74] inet6_addr_add+0x30e/0xa40 [ 3310.525353][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3310.525353][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3310.525353][ T74] netlink_rcv_skb+0x130/0x360 [ 3310.525353][ T74] netlink_unicast+0x449/0x710 [ 3310.525353][ T74] netlink_sendmsg+0x723/0xbe0 [ 3310.525353][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3310.525353][ T74] ___sys_sendmsg+0xee/0x170 [ 3310.525353][ T74] __sys_sendmsg+0xcd/0x170 [ 3310.525353][ T74] do_syscall_64+0xc6/0x1e0 [ 3310.525353][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3310.525353][ T74] [ 3310.527385][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3310.527385][ T74] netdev_get_by_index+0x5e/0x80 [ 3310.527385][ T74] fib6_nh_init+0x3d8/0x1580 [ 3310.527385][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3310.527385][ T74] ip6_route_add+0x1c/0x140 [ 3310.527385][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3310.527385][ T74] addrconf_add_dev+0xe2/0x170 [ 3310.527385][ T74] inet6_addr_add+0x12f/0xa40 [ 3310.527385][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3310.527385][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3310.527385][ T74] netlink_rcv_skb+0x130/0x360 [ 3310.527385][ T74] netlink_unicast+0x449/0x710 [ 3310.527385][ T74] netlink_sendmsg+0x723/0xbe0 [ 3310.527385][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3310.527385][ T74] ___sys_sendmsg+0xee/0x170 [ 3310.527385][ T74] __sys_sendmsg+0xcd/0x170 [ 3310.527385][ T74] do_syscall_64+0xc6/0x1e0 [ 3310.527385][ T74] [ 3310.529362][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3310.529362][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3310.529362][ T74] ipv6_find_idev+0x102/0x170 [ 3310.529362][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3310.529362][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3310.529362][ T74] netlink_rcv_skb+0x130/0x360 [ 3310.529362][ T74] netlink_unicast+0x449/0x710 [ 3310.529362][ T74] netlink_sendmsg+0x723/0xbe0 [ 3310.529362][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3310.529362][ T74] ___sys_sendmsg+0xee/0x170 [ 3310.529362][ T74] __sys_sendmsg+0xcd/0x170 [ 3310.529362][ T74] do_syscall_64+0xc6/0x1e0 [ 3310.529362][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3310.529362][ T74] [ 3310.531112][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3310.531112][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3310.531112][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3310.531112][ T74] ipv6_find_idev+0x102/0x170 [ 3310.531112][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3310.531112][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3310.531112][ T74] netlink_rcv_skb+0x130/0x360 [ 3310.531112][ T74] netlink_unicast+0x449/0x710 [ 3310.531112][ T74] netlink_sendmsg+0x723/0xbe0 [ 3310.531112][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3310.531112][ T74] ___sys_sendmsg+0xee/0x170 [ 3310.531112][ T74] __sys_sendmsg+0xcd/0x170 [ 3310.531112][ T74] do_syscall_64+0xc6/0x1e0 [ 3310.531112][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3310.531112][ T74] [ 3310.533096][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3310.533345][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3310.533345][ T74] netdev_get_by_index+0x5e/0x80 [ 3310.533345][ T74] fib6_nh_init+0x3d8/0x1580 [ 3310.533345][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3310.533345][ T74] ip6_route_add+0x1c/0x140 [ 3310.533345][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3310.533345][ T74] inet6_addr_add+0x4f8/0xa40 [ 3310.533345][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3310.533345][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3310.533345][ T74] netlink_rcv_skb+0x130/0x360 [ 3310.533345][ T74] netlink_unicast+0x449/0x710 [ 3310.533345][ T74] netlink_sendmsg+0x723/0xbe0 [ 3310.533345][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3310.533345][ T74] ___sys_sendmsg+0xee/0x170 [ 3310.533345][ T74] __sys_sendmsg+0xcd/0x170 [ 3310.533345][ T74] do_syscall_64+0xc6/0x1e0 [ 3310.533345][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3310.533345][ T74] [ 3310.535612][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3310.535612][ T74] netdev_get_by_index+0x5e/0x80 [ 3310.535612][ T74] fib6_nh_init+0x3d8/0x1580 [ 3310.535612][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3310.535612][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3310.535612][ T74] ipv6_add_addr+0x411/0x2000 [ 3310.535612][ T74] inet6_addr_add+0x30e/0xa40 [ 3310.535612][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3310.535612][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3310.535612][ T74] netlink_rcv_skb+0x130/0x360 [ 3310.535612][ T74] netlink_unicast+0x449/0x710 [ 3310.535612][ T74] netlink_sendmsg+0x723/0xbe0 [ 3310.535612][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3310.535612][ T74] ___sys_sendmsg+0xee/0x170 [ 3310.535612][ T74] __sys_sendmsg+0xcd/0x170 [ 3310.535612][ T74] do_syscall_64+0xc6/0x1e0 [ 3310.535612][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3310.535612][ T74] [ 3310.537881][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3310.537881][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3310.537881][ T74] ipv6_find_idev+0x102/0x170 [ 3310.537881][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3310.537881][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3310.537881][ T74] netlink_rcv_skb+0x130/0x360 [ 3310.537881][ T74] netlink_unicast+0x449/0x710 [ 3310.537881][ T74] netlink_sendmsg+0x723/0xbe0 [ 3310.537881][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3310.537881][ T74] ___sys_sendmsg+0xee/0x170 [ 3310.537881][ T74] __sys_sendmsg+0xcd/0x170 [ 3310.537881][ T74] do_syscall_64+0xc6/0x1e0 [ 3310.537881][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3310.537881][ T74] [ 3310.539623][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3310.539623][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3310.539623][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3310.539623][ T74] ipv6_find_idev+0x102/0x170 [ 3310.539623][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3310.539623][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3310.539623][ T74] netlink_rcv_skb+0x130/0x360 [ 3310.539623][ T74] netlink_unicast+0x449/0x710 [ 3310.539623][ T74] netlink_sendmsg+0x723/0xbe0 [ 3310.539623][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3310.539623][ T74] ___sys_sendmsg+0xee/0x170 [ 3310.539623][ T74] __sys_sendmsg+0xcd/0x170 [ 3310.539623][ T74] do_syscall_64+0xc6/0x1e0 [ 3310.539623][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3310.539623][ T74] [ 3320.615971][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3320.616404][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3320.616404][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3320.616404][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3320.616404][ T74] fib6_nh_init+0xa22/0x1580 [ 3320.616404][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3320.616404][ T74] ip6_route_add+0x1c/0x140 [ 3320.616404][ T74] inet6_rtm_newroute+0x104/0x110 [ 3320.616404][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3320.616404][ T74] netlink_rcv_skb+0x130/0x360 [ 3320.616404][ T74] netlink_unicast+0x449/0x710 [ 3320.616404][ T74] netlink_sendmsg+0x723/0xbe0 [ 3320.616404][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3320.616404][ T74] ___sys_sendmsg+0xee/0x170 [ 3320.616404][ T74] __sys_sendmsg+0xcd/0x170 [ 3320.616404][ T74] do_syscall_64+0xc6/0x1e0 [ 3320.616404][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3320.616404][ T74] [ 3320.618348][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3320.618348][ T74] netdev_get_by_index+0x5e/0x80 [ 3320.618348][ T74] fib6_nh_init+0x3d8/0x1580 [ 3320.618348][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3320.618348][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3320.618348][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3320.618348][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3320.618348][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3320.618348][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3320.618348][ T74] addrconf_dad_begin+0x310/0x670 [ 3320.618348][ T74] addrconf_dad_work+0x10b/0xab0 [ 3320.618348][ T74] process_one_work+0x84d/0x18a0 [ 3320.618348][ T74] worker_thread+0x587/0xd30 [ 3320.618348][ T74] kthread+0x28a/0x350 [ 3320.618348][ T74] ret_from_fork+0x31/0x70 [ 3320.618348][ T74] ret_from_fork_asm+0x1a/0x30 [ 3320.618348][ T74] [ 3320.620277][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3320.620277][ T74] netdev_get_by_index+0x5e/0x80 [ 3320.620277][ T74] fib6_nh_init+0x3d8/0x1580 [ 3320.620277][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3320.620277][ T74] ip6_route_add+0x1c/0x140 [ 3320.620277][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3320.620277][ T74] inet6_addr_add+0x4f8/0xa40 [ 3320.620277][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3320.620277][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3320.620277][ T74] netlink_rcv_skb+0x130/0x360 [ 3320.620277][ T74] netlink_unicast+0x449/0x710 [ 3320.620277][ T74] netlink_sendmsg+0x723/0xbe0 [ 3320.620277][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3320.620277][ T74] ___sys_sendmsg+0xee/0x170 [ 3320.620277][ T74] __sys_sendmsg+0xcd/0x170 [ 3320.620277][ T74] do_syscall_64+0xc6/0x1e0 [ 3320.620277][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3320.620277][ T74] [ 3320.622274][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3320.622274][ T74] netdev_get_by_index+0x5e/0x80 [ 3320.622274][ T74] fib6_nh_init+0x3d8/0x1580 [ 3320.622274][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3320.622274][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3320.622274][ T74] ipv6_add_addr+0x411/0x2000 [ 3320.622274][ T74] inet6_addr_add+0x30e/0xa40 [ 3320.622274][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3320.622274][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3320.622274][ T74] netlink_rcv_skb+0x130/0x360 [ 3320.622274][ T74] netlink_unicast+0x449/0x710 [ 3320.622274][ T74] netlink_sendmsg+0x723/0xbe0 [ 3320.622274][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3320.622274][ T74] ___sys_sendmsg+0xee/0x170 [ 3320.622274][ T74] __sys_sendmsg+0xcd/0x170 [ 3320.622274][ T74] do_syscall_64+0xc6/0x1e0 [ 3320.622274][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3320.622274][ T74] [ 3320.624279][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3320.624279][ T74] netdev_get_by_index+0x5e/0x80 [ 3320.624279][ T74] fib6_nh_init+0x3d8/0x1580 [ 3320.624279][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3320.624279][ T74] ip6_route_add+0x1c/0x140 [ 3320.624279][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3320.624279][ T74] addrconf_add_dev+0xe2/0x170 [ 3320.624279][ T74] inet6_addr_add+0x12f/0xa40 [ 3320.624279][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3320.624279][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3320.624279][ T74] netlink_rcv_skb+0x130/0x360 [ 3320.624279][ T74] netlink_unicast+0x449/0x710 [ 3320.624279][ T74] netlink_sendmsg+0x723/0xbe0 [ 3320.624279][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3320.624279][ T74] ___sys_sendmsg+0xee/0x170 [ 3320.624279][ T74] __sys_sendmsg+0xcd/0x170 [ 3320.624279][ T74] do_syscall_64+0xc6/0x1e0 [ 3320.624279][ T74] [ 3320.626244][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3320.626244][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3320.626244][ T74] ipv6_find_idev+0x102/0x170 [ 3320.626244][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3320.626244][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3320.626244][ T74] netlink_rcv_skb+0x130/0x360 [ 3320.626244][ T74] netlink_unicast+0x449/0x710 [ 3320.626244][ T74] netlink_sendmsg+0x723/0xbe0 [ 3320.626244][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3320.626244][ T74] ___sys_sendmsg+0xee/0x170 [ 3320.626244][ T74] __sys_sendmsg+0xcd/0x170 [ 3320.626244][ T74] do_syscall_64+0xc6/0x1e0 [ 3320.626244][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3320.626244][ T74] [ 3320.627791][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3320.627791][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3320.627791][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3320.627791][ T74] ipv6_find_idev+0x102/0x170 [ 3320.627791][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3320.627791][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3320.627791][ T74] netlink_rcv_skb+0x130/0x360 [ 3320.627791][ T74] netlink_unicast+0x449/0x710 [ 3320.627791][ T74] netlink_sendmsg+0x723/0xbe0 [ 3320.627791][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3320.627791][ T74] ___sys_sendmsg+0xee/0x170 [ 3320.627791][ T74] __sys_sendmsg+0xcd/0x170 [ 3320.627791][ T74] do_syscall_64+0xc6/0x1e0 [ 3320.627791][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3320.627791][ T74] [ 3320.629488][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3320.629784][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3320.629784][ T74] dst_init+0x84/0x4a0 [ 3320.629784][ T74] dst_alloc+0x97/0x150 [ 3320.629784][ T74] ip6_dst_alloc+0x23/0x90 [ 3320.629784][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3320.629784][ T74] ip6_pol_route+0x56f/0x840 [ 3320.629784][ T74] fib6_rule_lookup+0x456/0x630 [ 3320.629784][ T74] ip6_route_input+0x59c/0xa50 [ 3320.629784][ T74] ipv6_rcv+0x397/0x810 [ 3320.629784][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3320.629784][ T74] process_backlog+0x101/0x620 [ 3320.629784][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3320.629784][ T74] net_rx_action+0x495/0xbe0 [ 3320.629784][ T74] __do_softirq+0x1b5/0x7f6 [ 3320.629784][ T74] [ 3320.631423][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3320.631423][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3320.631423][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3320.631423][ T74] fib6_nh_init+0xa22/0x1580 [ 3320.631423][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3320.631423][ T74] ip6_route_add+0x1c/0x140 [ 3320.631423][ T74] inet6_rtm_newroute+0x104/0x110 [ 3320.631423][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3320.631423][ T74] netlink_rcv_skb+0x130/0x360 [ 3320.631423][ T74] netlink_unicast+0x449/0x710 [ 3320.631423][ T74] netlink_sendmsg+0x723/0xbe0 [ 3320.631423][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3320.631423][ T74] ___sys_sendmsg+0xee/0x170 [ 3320.631423][ T74] __sys_sendmsg+0xcd/0x170 [ 3320.631423][ T74] do_syscall_64+0xc6/0x1e0 [ 3320.631423][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3320.631423][ T74] [ 3320.633321][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3320.633321][ T74] netdev_get_by_index+0x5e/0x80 [ 3320.633321][ T74] fib6_nh_init+0x3d8/0x1580 [ 3320.633321][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3320.633321][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3320.633321][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3320.633321][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3320.633321][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3320.633321][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3320.633321][ T74] addrconf_dad_begin+0x310/0x670 [ 3320.633321][ T74] addrconf_dad_work+0x10b/0xab0 [ 3320.633321][ T74] process_one_work+0x84d/0x18a0 [ 3320.633321][ T74] worker_thread+0x587/0xd30 [ 3320.633321][ T74] kthread+0x28a/0x350 [ 3320.633321][ T74] ret_from_fork+0x31/0x70 [ 3320.633321][ T74] ret_from_fork_asm+0x1a/0x30 [ 3320.633321][ T74] [ 3320.635230][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3320.635230][ T74] netdev_get_by_index+0x5e/0x80 [ 3320.635230][ T74] fib6_nh_init+0x3d8/0x1580 [ 3320.635230][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3320.635230][ T74] ip6_route_add+0x1c/0x140 [ 3320.635230][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3320.635230][ T74] inet6_addr_add+0x4f8/0xa40 [ 3320.635230][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3320.635230][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3320.635230][ T74] netlink_rcv_skb+0x130/0x360 [ 3320.635230][ T74] netlink_unicast+0x449/0x710 [ 3320.635230][ T74] netlink_sendmsg+0x723/0xbe0 [ 3320.635230][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3320.635230][ T74] ___sys_sendmsg+0xee/0x170 [ 3320.635230][ T74] __sys_sendmsg+0xcd/0x170 [ 3320.635230][ T74] do_syscall_64+0xc6/0x1e0 [ 3320.635230][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3320.635230][ T74] [ 3320.637236][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3320.637236][ T74] netdev_get_by_index+0x5e/0x80 [ 3320.637236][ T74] fib6_nh_init+0x3d8/0x1580 [ 3320.637236][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3320.637236][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3320.637236][ T74] ipv6_add_addr+0x411/0x2000 [ 3320.637236][ T74] inet6_addr_add+0x30e/0xa40 [ 3320.637236][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3320.637236][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3320.637236][ T74] netlink_rcv_skb+0x130/0x360 [ 3320.637236][ T74] netlink_unicast+0x449/0x710 [ 3320.637236][ T74] netlink_sendmsg+0x723/0xbe0 [ 3320.637236][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3320.637236][ T74] ___sys_sendmsg+0xee/0x170 [ 3320.637236][ T74] __sys_sendmsg+0xcd/0x170 [ 3320.637236][ T74] do_syscall_64+0xc6/0x1e0 [ 3320.637236][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3320.637236][ T74] [ 3320.639242][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3320.639242][ T74] netdev_get_by_index+0x5e/0x80 [ 3320.639242][ T74] fib6_nh_init+0x3d8/0x1580 [ 3320.639242][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3320.639242][ T74] ip6_route_add+0x1c/0x140 [ 3320.639242][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3320.639242][ T74] addrconf_add_dev+0xe2/0x170 [ 3320.639242][ T74] inet6_addr_add+0x12f/0xa40 [ 3320.639242][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3320.639242][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3320.639242][ T74] netlink_rcv_skb+0x130/0x360 [ 3320.639242][ T74] netlink_unicast+0x449/0x710 [ 3320.639242][ T74] netlink_sendmsg+0x723/0xbe0 [ 3320.639242][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3320.639242][ T74] ___sys_sendmsg+0xee/0x170 [ 3320.639242][ T74] __sys_sendmsg+0xcd/0x170 [ 3320.639242][ T74] do_syscall_64+0xc6/0x1e0 [ 3320.639242][ T74] [ 3320.641205][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3320.641205][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3320.641205][ T74] ipv6_find_idev+0x102/0x170 [ 3320.641205][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3320.641205][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3320.641205][ T74] netlink_rcv_skb+0x130/0x360 [ 3320.641205][ T74] netlink_unicast+0x449/0x710 [ 3320.641205][ T74] netlink_sendmsg+0x723/0xbe0 [ 3320.641205][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3320.641205][ T74] ___sys_sendmsg+0xee/0x170 [ 3320.641205][ T74] __sys_sendmsg+0xcd/0x170 [ 3320.641205][ T74] do_syscall_64+0xc6/0x1e0 [ 3320.641205][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3320.641205][ T74] [ 3320.642936][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3320.642936][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3320.642936][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3320.642936][ T74] ipv6_find_idev+0x102/0x170 [ 3320.642936][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3320.642936][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3320.642936][ T74] netlink_rcv_skb+0x130/0x360 [ 3320.642936][ T74] netlink_unicast+0x449/0x710 [ 3320.642936][ T74] netlink_sendmsg+0x723/0xbe0 [ 3320.642936][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3320.642936][ T74] ___sys_sendmsg+0xee/0x170 [ 3320.642936][ T74] __sys_sendmsg+0xcd/0x170 [ 3320.642936][ T74] do_syscall_64+0xc6/0x1e0 [ 3320.642936][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3320.642936][ T74] [ 3320.644884][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3320.645130][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3320.645130][ T74] netdev_get_by_index+0x5e/0x80 [ 3320.645130][ T74] fib6_nh_init+0x3d8/0x1580 [ 3320.645130][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3320.645130][ T74] ip6_route_add+0x1c/0x140 [ 3320.645130][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3320.645130][ T74] inet6_addr_add+0x4f8/0xa40 [ 3320.645130][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3320.645130][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3320.645130][ T74] netlink_rcv_skb+0x130/0x360 [ 3320.645130][ T74] netlink_unicast+0x449/0x710 [ 3320.645130][ T74] netlink_sendmsg+0x723/0xbe0 [ 3320.645130][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3320.645130][ T74] ___sys_sendmsg+0xee/0x170 [ 3320.645130][ T74] __sys_sendmsg+0xcd/0x170 [ 3320.645130][ T74] do_syscall_64+0xc6/0x1e0 [ 3320.645130][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3320.645130][ T74] [ 3320.647370][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3320.647370][ T74] netdev_get_by_index+0x5e/0x80 [ 3320.647370][ T74] fib6_nh_init+0x3d8/0x1580 [ 3320.647370][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3320.647370][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3320.647370][ T74] ipv6_add_addr+0x411/0x2000 [ 3320.647370][ T74] inet6_addr_add+0x30e/0xa40 [ 3320.647370][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3320.647370][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3320.647370][ T74] netlink_rcv_skb+0x130/0x360 [ 3320.647370][ T74] netlink_unicast+0x449/0x710 [ 3320.647370][ T74] netlink_sendmsg+0x723/0xbe0 [ 3320.647370][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3320.647370][ T74] ___sys_sendmsg+0xee/0x170 [ 3320.647370][ T74] __sys_sendmsg+0xcd/0x170 [ 3320.647370][ T74] do_syscall_64+0xc6/0x1e0 [ 3320.647370][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3320.647370][ T74] [ 3320.649607][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3320.649607][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3320.649607][ T74] ipv6_find_idev+0x102/0x170 [ 3320.649607][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3320.649607][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3320.649607][ T74] netlink_rcv_skb+0x130/0x360 [ 3320.649607][ T74] netlink_unicast+0x449/0x710 [ 3320.649607][ T74] netlink_sendmsg+0x723/0xbe0 [ 3320.649607][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3320.649607][ T74] ___sys_sendmsg+0xee/0x170 [ 3320.649607][ T74] __sys_sendmsg+0xcd/0x170 [ 3320.649607][ T74] do_syscall_64+0xc6/0x1e0 [ 3320.649607][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3320.649607][ T74] [ 3320.651278][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3320.651278][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3320.651278][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3320.651278][ T74] ipv6_find_idev+0x102/0x170 [ 3320.651278][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3320.651278][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3320.651278][ T74] netlink_rcv_skb+0x130/0x360 [ 3320.651278][ T74] netlink_unicast+0x449/0x710 [ 3320.651278][ T74] netlink_sendmsg+0x723/0xbe0 [ 3320.651278][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3320.651278][ T74] ___sys_sendmsg+0xee/0x170 [ 3320.651278][ T74] __sys_sendmsg+0xcd/0x170 [ 3320.651278][ T74] do_syscall_64+0xc6/0x1e0 [ 3320.651278][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3320.651278][ T74] [ 3330.895926][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3330.896389][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3330.896389][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3330.896389][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3330.896389][ T74] fib6_nh_init+0xa22/0x1580 [ 3330.896389][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3330.896389][ T74] ip6_route_add+0x1c/0x140 [ 3330.896389][ T74] inet6_rtm_newroute+0x104/0x110 [ 3330.896389][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3330.896389][ T74] netlink_rcv_skb+0x130/0x360 [ 3330.896389][ T74] netlink_unicast+0x449/0x710 [ 3330.896389][ T74] netlink_sendmsg+0x723/0xbe0 [ 3330.896389][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3330.896389][ T74] ___sys_sendmsg+0xee/0x170 [ 3330.896389][ T74] __sys_sendmsg+0xcd/0x170 [ 3330.896389][ T74] do_syscall_64+0xc6/0x1e0 [ 3330.896389][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3330.896389][ T74] [ 3330.898354][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3330.898354][ T74] netdev_get_by_index+0x5e/0x80 [ 3330.898354][ T74] fib6_nh_init+0x3d8/0x1580 [ 3330.898354][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3330.898354][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3330.898354][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3330.898354][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3330.898354][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3330.898354][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3330.898354][ T74] addrconf_dad_begin+0x310/0x670 [ 3330.898354][ T74] addrconf_dad_work+0x10b/0xab0 [ 3330.898354][ T74] process_one_work+0x84d/0x18a0 [ 3330.898354][ T74] worker_thread+0x587/0xd30 [ 3330.898354][ T74] kthread+0x28a/0x350 [ 3330.898354][ T74] ret_from_fork+0x31/0x70 [ 3330.898354][ T74] ret_from_fork_asm+0x1a/0x30 [ 3330.898354][ T74] [ 3330.900470][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3330.900470][ T74] netdev_get_by_index+0x5e/0x80 [ 3330.900470][ T74] fib6_nh_init+0x3d8/0x1580 [ 3330.900470][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3330.900470][ T74] ip6_route_add+0x1c/0x140 [ 3330.900470][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3330.900470][ T74] inet6_addr_add+0x4f8/0xa40 [ 3330.900470][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3330.900470][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3330.900470][ T74] netlink_rcv_skb+0x130/0x360 [ 3330.900470][ T74] netlink_unicast+0x449/0x710 [ 3330.900470][ T74] netlink_sendmsg+0x723/0xbe0 [ 3330.900470][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3330.900470][ T74] ___sys_sendmsg+0xee/0x170 [ 3330.900470][ T74] __sys_sendmsg+0xcd/0x170 [ 3330.900470][ T74] do_syscall_64+0xc6/0x1e0 [ 3330.900470][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3330.900470][ T74] [ 3330.902686][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3330.902686][ T74] netdev_get_by_index+0x5e/0x80 [ 3330.902686][ T74] fib6_nh_init+0x3d8/0x1580 [ 3330.902686][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3330.902686][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3330.902686][ T74] ipv6_add_addr+0x411/0x2000 [ 3330.902686][ T74] inet6_addr_add+0x30e/0xa40 [ 3330.902686][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3330.902686][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3330.902686][ T74] netlink_rcv_skb+0x130/0x360 [ 3330.902686][ T74] netlink_unicast+0x449/0x710 [ 3330.902686][ T74] netlink_sendmsg+0x723/0xbe0 [ 3330.902686][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3330.902686][ T74] ___sys_sendmsg+0xee/0x170 [ 3330.902686][ T74] __sys_sendmsg+0xcd/0x170 [ 3330.902686][ T74] do_syscall_64+0xc6/0x1e0 [ 3330.902686][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3330.902686][ T74] [ 3330.904894][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3330.904894][ T74] netdev_get_by_index+0x5e/0x80 [ 3330.904894][ T74] fib6_nh_init+0x3d8/0x1580 [ 3330.904894][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3330.904894][ T74] ip6_route_add+0x1c/0x140 [ 3330.904894][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3330.904894][ T74] addrconf_add_dev+0xe2/0x170 [ 3330.904894][ T74] inet6_addr_add+0x12f/0xa40 [ 3330.904894][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3330.904894][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3330.904894][ T74] netlink_rcv_skb+0x130/0x360 [ 3330.904894][ T74] netlink_unicast+0x449/0x710 [ 3330.904894][ T74] netlink_sendmsg+0x723/0xbe0 [ 3330.904894][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3330.904894][ T74] ___sys_sendmsg+0xee/0x170 [ 3330.904894][ T74] __sys_sendmsg+0xcd/0x170 [ 3330.904894][ T74] do_syscall_64+0xc6/0x1e0 [ 3330.904894][ T74] [ 3330.907057][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3330.907057][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3330.907057][ T74] ipv6_find_idev+0x102/0x170 [ 3330.907057][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3330.907057][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3330.907057][ T74] netlink_rcv_skb+0x130/0x360 [ 3330.907057][ T74] netlink_unicast+0x449/0x710 [ 3330.907057][ T74] netlink_sendmsg+0x723/0xbe0 [ 3330.907057][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3330.907057][ T74] ___sys_sendmsg+0xee/0x170 [ 3330.907057][ T74] __sys_sendmsg+0xcd/0x170 [ 3330.907057][ T74] do_syscall_64+0xc6/0x1e0 [ 3330.907057][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3330.907057][ T74] [ 3330.908753][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3330.908753][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3330.908753][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3330.908753][ T74] ipv6_find_idev+0x102/0x170 [ 3330.908753][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3330.908753][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3330.908753][ T74] netlink_rcv_skb+0x130/0x360 [ 3330.908753][ T74] netlink_unicast+0x449/0x710 [ 3330.908753][ T74] netlink_sendmsg+0x723/0xbe0 [ 3330.908753][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3330.908753][ T74] ___sys_sendmsg+0xee/0x170 [ 3330.908753][ T74] __sys_sendmsg+0xcd/0x170 [ 3330.908753][ T74] do_syscall_64+0xc6/0x1e0 [ 3330.908753][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3330.908753][ T74] [ 3330.910604][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3330.910896][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3330.910896][ T74] dst_init+0x84/0x4a0 [ 3330.910896][ T74] dst_alloc+0x97/0x150 [ 3330.910896][ T74] ip6_dst_alloc+0x23/0x90 [ 3330.910896][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3330.910896][ T74] ip6_pol_route+0x56f/0x840 [ 3330.910896][ T74] fib6_rule_lookup+0x456/0x630 [ 3330.910896][ T74] ip6_route_input+0x59c/0xa50 [ 3330.910896][ T74] ipv6_rcv+0x397/0x810 [ 3330.910896][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3330.910896][ T74] process_backlog+0x101/0x620 [ 3330.910896][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3330.910896][ T74] net_rx_action+0x495/0xbe0 [ 3330.910896][ T74] __do_softirq+0x1b5/0x7f6 [ 3330.910896][ T74] [ 3330.912693][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3330.912693][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3330.912693][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3330.912693][ T74] fib6_nh_init+0xa22/0x1580 [ 3330.912693][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3330.912693][ T74] ip6_route_add+0x1c/0x140 [ 3330.912693][ T74] inet6_rtm_newroute+0x104/0x110 [ 3330.912693][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3330.912693][ T74] netlink_rcv_skb+0x130/0x360 [ 3330.912693][ T74] netlink_unicast+0x449/0x710 [ 3330.912693][ T74] netlink_sendmsg+0x723/0xbe0 [ 3330.912693][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3330.912693][ T74] ___sys_sendmsg+0xee/0x170 [ 3330.912693][ T74] __sys_sendmsg+0xcd/0x170 [ 3330.912693][ T74] do_syscall_64+0xc6/0x1e0 [ 3330.912693][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3330.912693][ T74] [ 3330.914782][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3330.914782][ T74] netdev_get_by_index+0x5e/0x80 [ 3330.914782][ T74] fib6_nh_init+0x3d8/0x1580 [ 3330.914782][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3330.914782][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3330.914782][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3330.914782][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3330.914782][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3330.914782][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3330.914782][ T74] addrconf_dad_begin+0x310/0x670 [ 3330.914782][ T74] addrconf_dad_work+0x10b/0xab0 [ 3330.914782][ T74] process_one_work+0x84d/0x18a0 [ 3330.914782][ T74] worker_thread+0x587/0xd30 [ 3330.914782][ T74] kthread+0x28a/0x350 [ 3330.914782][ T74] ret_from_fork+0x31/0x70 [ 3330.914782][ T74] ret_from_fork_asm+0x1a/0x30 [ 3330.914782][ T74] [ 3330.916896][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3330.916896][ T74] netdev_get_by_index+0x5e/0x80 [ 3330.916896][ T74] fib6_nh_init+0x3d8/0x1580 [ 3330.916896][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3330.916896][ T74] ip6_route_add+0x1c/0x140 [ 3330.916896][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3330.916896][ T74] inet6_addr_add+0x4f8/0xa40 [ 3330.916896][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3330.916896][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3330.916896][ T74] netlink_rcv_skb+0x130/0x360 [ 3330.916896][ T74] netlink_unicast+0x449/0x710 [ 3330.916896][ T74] netlink_sendmsg+0x723/0xbe0 [ 3330.916896][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3330.916896][ T74] ___sys_sendmsg+0xee/0x170 [ 3330.916896][ T74] __sys_sendmsg+0xcd/0x170 [ 3330.916896][ T74] do_syscall_64+0xc6/0x1e0 [ 3330.916896][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3330.916896][ T74] [ 3330.919051][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3330.919051][ T74] netdev_get_by_index+0x5e/0x80 [ 3330.919051][ T74] fib6_nh_init+0x3d8/0x1580 [ 3330.919051][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3330.919051][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3330.919051][ T74] ipv6_add_addr+0x411/0x2000 [ 3330.919051][ T74] inet6_addr_add+0x30e/0xa40 [ 3330.919051][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3330.919051][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3330.919051][ T74] netlink_rcv_skb+0x130/0x360 [ 3330.919051][ T74] netlink_unicast+0x449/0x710 [ 3330.919051][ T74] netlink_sendmsg+0x723/0xbe0 [ 3330.919051][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3330.919051][ T74] ___sys_sendmsg+0xee/0x170 [ 3330.919051][ T74] __sys_sendmsg+0xcd/0x170 [ 3330.919051][ T74] do_syscall_64+0xc6/0x1e0 [ 3330.919051][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3330.919051][ T74] [ 3330.921213][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3330.921213][ T74] netdev_get_by_index+0x5e/0x80 [ 3330.921213][ T74] fib6_nh_init+0x3d8/0x1580 [ 3330.921213][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3330.921213][ T74] ip6_route_add+0x1c/0x140 [ 3330.921213][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3330.921213][ T74] addrconf_add_dev+0xe2/0x170 [ 3330.921213][ T74] inet6_addr_add+0x12f/0xa40 [ 3330.921213][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3330.921213][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3330.921213][ T74] netlink_rcv_skb+0x130/0x360 [ 3330.921213][ T74] netlink_unicast+0x449/0x710 [ 3330.921213][ T74] netlink_sendmsg+0x723/0xbe0 [ 3330.921213][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3330.921213][ T74] ___sys_sendmsg+0xee/0x170 [ 3330.921213][ T74] __sys_sendmsg+0xcd/0x170 [ 3330.921213][ T74] do_syscall_64+0xc6/0x1e0 [ 3330.921213][ T74] [ 3330.923378][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3330.923378][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3330.923378][ T74] ipv6_find_idev+0x102/0x170 [ 3330.923378][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3330.923378][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3330.923378][ T74] netlink_rcv_skb+0x130/0x360 [ 3330.923378][ T74] netlink_unicast+0x449/0x710 [ 3330.923378][ T74] netlink_sendmsg+0x723/0xbe0 [ 3330.923378][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3330.923378][ T74] ___sys_sendmsg+0xee/0x170 [ 3330.923378][ T74] __sys_sendmsg+0xcd/0x170 [ 3330.923378][ T74] do_syscall_64+0xc6/0x1e0 [ 3330.923378][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3330.923378][ T74] [ 3330.925255][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3330.925255][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3330.925255][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3330.925255][ T74] ipv6_find_idev+0x102/0x170 [ 3330.925255][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3330.925255][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3330.925255][ T74] netlink_rcv_skb+0x130/0x360 [ 3330.925255][ T74] netlink_unicast+0x449/0x710 [ 3330.925255][ T74] netlink_sendmsg+0x723/0xbe0 [ 3330.925255][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3330.925255][ T74] ___sys_sendmsg+0xee/0x170 [ 3330.925255][ T74] __sys_sendmsg+0xcd/0x170 [ 3330.925255][ T74] do_syscall_64+0xc6/0x1e0 [ 3330.925255][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3330.925255][ T74] [ 3330.927421][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3330.927685][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3330.927685][ T74] netdev_get_by_index+0x5e/0x80 [ 3330.927685][ T74] fib6_nh_init+0x3d8/0x1580 [ 3330.927685][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3330.927685][ T74] ip6_route_add+0x1c/0x140 [ 3330.927685][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3330.927685][ T74] inet6_addr_add+0x4f8/0xa40 [ 3330.927685][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3330.927685][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3330.927685][ T74] netlink_rcv_skb+0x130/0x360 [ 3330.927685][ T74] netlink_unicast+0x449/0x710 [ 3330.927685][ T74] netlink_sendmsg+0x723/0xbe0 [ 3330.927685][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3330.927685][ T74] ___sys_sendmsg+0xee/0x170 [ 3330.927685][ T74] __sys_sendmsg+0xcd/0x170 [ 3330.927685][ T74] do_syscall_64+0xc6/0x1e0 [ 3330.927685][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3330.927685][ T74] [ 3330.930142][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3330.930142][ T74] netdev_get_by_index+0x5e/0x80 [ 3330.930142][ T74] fib6_nh_init+0x3d8/0x1580 [ 3330.930142][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3330.930142][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3330.930142][ T74] ipv6_add_addr+0x411/0x2000 [ 3330.930142][ T74] inet6_addr_add+0x30e/0xa40 [ 3330.930142][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3330.930142][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3330.930142][ T74] netlink_rcv_skb+0x130/0x360 [ 3330.930142][ T74] netlink_unicast+0x449/0x710 [ 3330.930142][ T74] netlink_sendmsg+0x723/0xbe0 [ 3330.930142][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3330.930142][ T74] ___sys_sendmsg+0xee/0x170 [ 3330.930142][ T74] __sys_sendmsg+0xcd/0x170 [ 3330.930142][ T74] do_syscall_64+0xc6/0x1e0 [ 3330.930142][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3330.930142][ T74] [ 3330.932581][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3330.932581][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3330.932581][ T74] ipv6_find_idev+0x102/0x170 [ 3330.932581][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3330.932581][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3330.932581][ T74] netlink_rcv_skb+0x130/0x360 [ 3330.932581][ T74] netlink_unicast+0x449/0x710 [ 3330.932581][ T74] netlink_sendmsg+0x723/0xbe0 [ 3330.932581][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3330.932581][ T74] ___sys_sendmsg+0xee/0x170 [ 3330.932581][ T74] __sys_sendmsg+0xcd/0x170 [ 3330.932581][ T74] do_syscall_64+0xc6/0x1e0 [ 3330.932581][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3330.932581][ T74] [ 3330.934472][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3330.934472][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3330.934472][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3330.934472][ T74] ipv6_find_idev+0x102/0x170 [ 3330.934472][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3330.934472][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3330.934472][ T74] netlink_rcv_skb+0x130/0x360 [ 3330.934472][ T74] netlink_unicast+0x449/0x710 [ 3330.934472][ T74] netlink_sendmsg+0x723/0xbe0 [ 3330.934472][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3330.934472][ T74] ___sys_sendmsg+0xee/0x170 [ 3330.934472][ T74] __sys_sendmsg+0xcd/0x170 [ 3330.934472][ T74] do_syscall_64+0xc6/0x1e0 [ 3330.934472][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3330.934472][ T74] [ 3341.175913][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3341.176339][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3341.176339][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3341.176339][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3341.176339][ T74] fib6_nh_init+0xa22/0x1580 [ 3341.176339][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3341.176339][ T74] ip6_route_add+0x1c/0x140 [ 3341.176339][ T74] inet6_rtm_newroute+0x104/0x110 [ 3341.176339][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3341.176339][ T74] netlink_rcv_skb+0x130/0x360 [ 3341.176339][ T74] netlink_unicast+0x449/0x710 [ 3341.176339][ T74] netlink_sendmsg+0x723/0xbe0 [ 3341.176339][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3341.176339][ T74] ___sys_sendmsg+0xee/0x170 [ 3341.176339][ T74] __sys_sendmsg+0xcd/0x170 [ 3341.176339][ T74] do_syscall_64+0xc6/0x1e0 [ 3341.176339][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3341.176339][ T74] [ 3341.178411][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3341.178411][ T74] netdev_get_by_index+0x5e/0x80 [ 3341.178411][ T74] fib6_nh_init+0x3d8/0x1580 [ 3341.178411][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3341.178411][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3341.178411][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3341.178411][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3341.178411][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3341.178411][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3341.178411][ T74] addrconf_dad_begin+0x310/0x670 [ 3341.178411][ T74] addrconf_dad_work+0x10b/0xab0 [ 3341.178411][ T74] process_one_work+0x84d/0x18a0 [ 3341.178411][ T74] worker_thread+0x587/0xd30 [ 3341.178411][ T74] kthread+0x28a/0x350 [ 3341.178411][ T74] ret_from_fork+0x31/0x70 [ 3341.178411][ T74] ret_from_fork_asm+0x1a/0x30 [ 3341.178411][ T74] [ 3341.180537][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3341.180537][ T74] netdev_get_by_index+0x5e/0x80 [ 3341.180537][ T74] fib6_nh_init+0x3d8/0x1580 [ 3341.180537][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3341.180537][ T74] ip6_route_add+0x1c/0x140 [ 3341.180537][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3341.180537][ T74] inet6_addr_add+0x4f8/0xa40 [ 3341.180537][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3341.180537][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3341.180537][ T74] netlink_rcv_skb+0x130/0x360 [ 3341.180537][ T74] netlink_unicast+0x449/0x710 [ 3341.180537][ T74] netlink_sendmsg+0x723/0xbe0 [ 3341.180537][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3341.180537][ T74] ___sys_sendmsg+0xee/0x170 [ 3341.180537][ T74] __sys_sendmsg+0xcd/0x170 [ 3341.180537][ T74] do_syscall_64+0xc6/0x1e0 [ 3341.180537][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3341.180537][ T74] [ 3341.182745][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3341.182745][ T74] netdev_get_by_index+0x5e/0x80 [ 3341.182745][ T74] fib6_nh_init+0x3d8/0x1580 [ 3341.182745][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3341.182745][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3341.182745][ T74] ipv6_add_addr+0x411/0x2000 [ 3341.182745][ T74] inet6_addr_add+0x30e/0xa40 [ 3341.182745][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3341.182745][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3341.182745][ T74] netlink_rcv_skb+0x130/0x360 [ 3341.182745][ T74] netlink_unicast+0x449/0x710 [ 3341.182745][ T74] netlink_sendmsg+0x723/0xbe0 [ 3341.182745][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3341.182745][ T74] ___sys_sendmsg+0xee/0x170 [ 3341.182745][ T74] __sys_sendmsg+0xcd/0x170 [ 3341.182745][ T74] do_syscall_64+0xc6/0x1e0 [ 3341.182745][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3341.182745][ T74] [ 3341.184997][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3341.184997][ T74] netdev_get_by_index+0x5e/0x80 [ 3341.184997][ T74] fib6_nh_init+0x3d8/0x1580 [ 3341.184997][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3341.184997][ T74] ip6_route_add+0x1c/0x140 [ 3341.184997][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3341.184997][ T74] addrconf_add_dev+0xe2/0x170 [ 3341.184997][ T74] inet6_addr_add+0x12f/0xa40 [ 3341.184997][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3341.184997][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3341.184997][ T74] netlink_rcv_skb+0x130/0x360 [ 3341.184997][ T74] netlink_unicast+0x449/0x710 [ 3341.184997][ T74] netlink_sendmsg+0x723/0xbe0 [ 3341.184997][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3341.184997][ T74] ___sys_sendmsg+0xee/0x170 [ 3341.184997][ T74] __sys_sendmsg+0xcd/0x170 [ 3341.184997][ T74] do_syscall_64+0xc6/0x1e0 [ 3341.184997][ T74] [ 3341.187156][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3341.187156][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3341.187156][ T74] ipv6_find_idev+0x102/0x170 [ 3341.187156][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3341.187156][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3341.187156][ T74] netlink_rcv_skb+0x130/0x360 [ 3341.187156][ T74] netlink_unicast+0x449/0x710 [ 3341.187156][ T74] netlink_sendmsg+0x723/0xbe0 [ 3341.187156][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3341.187156][ T74] ___sys_sendmsg+0xee/0x170 [ 3341.187156][ T74] __sys_sendmsg+0xcd/0x170 [ 3341.187156][ T74] do_syscall_64+0xc6/0x1e0 [ 3341.187156][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3341.187156][ T74] [ 3341.188822][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3341.188822][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3341.188822][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3341.188822][ T74] ipv6_find_idev+0x102/0x170 [ 3341.188822][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3341.188822][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3341.188822][ T74] netlink_rcv_skb+0x130/0x360 [ 3341.188822][ T74] netlink_unicast+0x449/0x710 [ 3341.188822][ T74] netlink_sendmsg+0x723/0xbe0 [ 3341.188822][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3341.188822][ T74] ___sys_sendmsg+0xee/0x170 [ 3341.188822][ T74] __sys_sendmsg+0xcd/0x170 [ 3341.188822][ T74] do_syscall_64+0xc6/0x1e0 [ 3341.188822][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3341.188822][ T74] [ 3341.190673][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3341.190984][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3341.190984][ T74] dst_init+0x84/0x4a0 [ 3341.190984][ T74] dst_alloc+0x97/0x150 [ 3341.190984][ T74] ip6_dst_alloc+0x23/0x90 [ 3341.190984][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3341.190984][ T74] ip6_pol_route+0x56f/0x840 [ 3341.190984][ T74] fib6_rule_lookup+0x456/0x630 [ 3341.190984][ T74] ip6_route_input+0x59c/0xa50 [ 3341.190984][ T74] ipv6_rcv+0x397/0x810 [ 3341.190984][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3341.190984][ T74] process_backlog+0x101/0x620 [ 3341.190984][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3341.190984][ T74] net_rx_action+0x495/0xbe0 [ 3341.190984][ T74] __do_softirq+0x1b5/0x7f6 [ 3341.190984][ T74] [ 3341.192764][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3341.192764][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3341.192764][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3341.192764][ T74] fib6_nh_init+0xa22/0x1580 [ 3341.192764][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3341.192764][ T74] ip6_route_add+0x1c/0x140 [ 3341.192764][ T74] inet6_rtm_newroute+0x104/0x110 [ 3341.192764][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3341.192764][ T74] netlink_rcv_skb+0x130/0x360 [ 3341.192764][ T74] netlink_unicast+0x449/0x710 [ 3341.192764][ T74] netlink_sendmsg+0x723/0xbe0 [ 3341.192764][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3341.192764][ T74] ___sys_sendmsg+0xee/0x170 [ 3341.192764][ T74] __sys_sendmsg+0xcd/0x170 [ 3341.192764][ T74] do_syscall_64+0xc6/0x1e0 [ 3341.192764][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3341.192764][ T74] [ 3341.194841][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3341.194841][ T74] netdev_get_by_index+0x5e/0x80 [ 3341.194841][ T74] fib6_nh_init+0x3d8/0x1580 [ 3341.194841][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3341.194841][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3341.194841][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3341.194841][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3341.194841][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3341.194841][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3341.194841][ T74] addrconf_dad_begin+0x310/0x670 [ 3341.194841][ T74] addrconf_dad_work+0x10b/0xab0 [ 3341.194841][ T74] process_one_work+0x84d/0x18a0 [ 3341.194841][ T74] worker_thread+0x587/0xd30 [ 3341.194841][ T74] kthread+0x28a/0x350 [ 3341.194841][ T74] ret_from_fork+0x31/0x70 [ 3341.194841][ T74] ret_from_fork_asm+0x1a/0x30 [ 3341.194841][ T74] [ 3341.196916][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3341.196916][ T74] netdev_get_by_index+0x5e/0x80 [ 3341.196916][ T74] fib6_nh_init+0x3d8/0x1580 [ 3341.196916][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3341.196916][ T74] ip6_route_add+0x1c/0x140 [ 3341.196916][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3341.196916][ T74] inet6_addr_add+0x4f8/0xa40 [ 3341.196916][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3341.196916][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3341.196916][ T74] netlink_rcv_skb+0x130/0x360 [ 3341.196916][ T74] netlink_unicast+0x449/0x710 [ 3341.196916][ T74] netlink_sendmsg+0x723/0xbe0 [ 3341.196916][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3341.196916][ T74] ___sys_sendmsg+0xee/0x170 [ 3341.196916][ T74] __sys_sendmsg+0xcd/0x170 [ 3341.196916][ T74] do_syscall_64+0xc6/0x1e0 [ 3341.196916][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3341.196916][ T74] [ 3341.198930][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3341.198930][ T74] netdev_get_by_index+0x5e/0x80 [ 3341.198930][ T74] fib6_nh_init+0x3d8/0x1580 [ 3341.198930][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3341.198930][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3341.198930][ T74] ipv6_add_addr+0x411/0x2000 [ 3341.198930][ T74] inet6_addr_add+0x30e/0xa40 [ 3341.198930][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3341.198930][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3341.198930][ T74] netlink_rcv_skb+0x130/0x360 [ 3341.198930][ T74] netlink_unicast+0x449/0x710 [ 3341.198930][ T74] netlink_sendmsg+0x723/0xbe0 [ 3341.198930][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3341.198930][ T74] ___sys_sendmsg+0xee/0x170 [ 3341.198930][ T74] __sys_sendmsg+0xcd/0x170 [ 3341.198930][ T74] do_syscall_64+0xc6/0x1e0 [ 3341.198930][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3341.198930][ T74] [ 3341.200948][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3341.200948][ T74] netdev_get_by_index+0x5e/0x80 [ 3341.200948][ T74] fib6_nh_init+0x3d8/0x1580 [ 3341.200948][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3341.200948][ T74] ip6_route_add+0x1c/0x140 [ 3341.200948][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3341.200948][ T74] addrconf_add_dev+0xe2/0x170 [ 3341.200948][ T74] inet6_addr_add+0x12f/0xa40 [ 3341.200948][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3341.200948][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3341.200948][ T74] netlink_rcv_skb+0x130/0x360 [ 3341.200948][ T74] netlink_unicast+0x449/0x710 [ 3341.200948][ T74] netlink_sendmsg+0x723/0xbe0 [ 3341.200948][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3341.200948][ T74] ___sys_sendmsg+0xee/0x170 [ 3341.200948][ T74] __sys_sendmsg+0xcd/0x170 [ 3341.200948][ T74] do_syscall_64+0xc6/0x1e0 [ 3341.200948][ T74] [ 3341.202947][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3341.202947][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3341.202947][ T74] ipv6_find_idev+0x102/0x170 [ 3341.202947][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3341.202947][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3341.202947][ T74] netlink_rcv_skb+0x130/0x360 [ 3341.202947][ T74] netlink_unicast+0x449/0x710 [ 3341.202947][ T74] netlink_sendmsg+0x723/0xbe0 [ 3341.202947][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3341.202947][ T74] ___sys_sendmsg+0xee/0x170 [ 3341.202947][ T74] __sys_sendmsg+0xcd/0x170 [ 3341.202947][ T74] do_syscall_64+0xc6/0x1e0 [ 3341.202947][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3341.202947][ T74] [ 3341.204754][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3341.204754][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3341.204754][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3341.204754][ T74] ipv6_find_idev+0x102/0x170 [ 3341.204754][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3341.204754][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3341.204754][ T74] netlink_rcv_skb+0x130/0x360 [ 3341.204754][ T74] netlink_unicast+0x449/0x710 [ 3341.204754][ T74] netlink_sendmsg+0x723/0xbe0 [ 3341.204754][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3341.204754][ T74] ___sys_sendmsg+0xee/0x170 [ 3341.204754][ T74] __sys_sendmsg+0xcd/0x170 [ 3341.204754][ T74] do_syscall_64+0xc6/0x1e0 [ 3341.204754][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3341.204754][ T74] [ 3341.206699][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3341.207011][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3341.207011][ T74] netdev_get_by_index+0x5e/0x80 [ 3341.207011][ T74] fib6_nh_init+0x3d8/0x1580 [ 3341.207011][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3341.207011][ T74] ip6_route_add+0x1c/0x140 [ 3341.207011][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3341.207011][ T74] inet6_addr_add+0x4f8/0xa40 [ 3341.207011][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3341.207011][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3341.207011][ T74] netlink_rcv_skb+0x130/0x360 [ 3341.207011][ T74] netlink_unicast+0x449/0x710 [ 3341.207011][ T74] netlink_sendmsg+0x723/0xbe0 [ 3341.207011][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3341.207011][ T74] ___sys_sendmsg+0xee/0x170 [ 3341.207011][ T74] __sys_sendmsg+0xcd/0x170 [ 3341.207011][ T74] do_syscall_64+0xc6/0x1e0 [ 3341.207011][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3341.207011][ T74] [ 3341.209264][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3341.209264][ T74] netdev_get_by_index+0x5e/0x80 [ 3341.209264][ T74] fib6_nh_init+0x3d8/0x1580 [ 3341.209264][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3341.209264][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3341.209264][ T74] ipv6_add_addr+0x411/0x2000 [ 3341.209264][ T74] inet6_addr_add+0x30e/0xa40 [ 3341.209264][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3341.209264][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3341.209264][ T74] netlink_rcv_skb+0x130/0x360 [ 3341.209264][ T74] netlink_unicast+0x449/0x710 [ 3341.209264][ T74] netlink_sendmsg+0x723/0xbe0 [ 3341.209264][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3341.209264][ T74] ___sys_sendmsg+0xee/0x170 [ 3341.209264][ T74] __sys_sendmsg+0xcd/0x170 [ 3341.209264][ T74] do_syscall_64+0xc6/0x1e0 [ 3341.209264][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3341.209264][ T74] [ 3341.211505][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3341.211505][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3341.211505][ T74] ipv6_find_idev+0x102/0x170 [ 3341.211505][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3341.211505][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3341.211505][ T74] netlink_rcv_skb+0x130/0x360 [ 3341.211505][ T74] netlink_unicast+0x449/0x710 [ 3341.211505][ T74] netlink_sendmsg+0x723/0xbe0 [ 3341.211505][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3341.211505][ T74] ___sys_sendmsg+0xee/0x170 [ 3341.211505][ T74] __sys_sendmsg+0xcd/0x170 [ 3341.211505][ T74] do_syscall_64+0xc6/0x1e0 [ 3341.211505][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3341.211505][ T74] [ 3341.213255][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3341.213255][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3341.213255][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3341.213255][ T74] ipv6_find_idev+0x102/0x170 [ 3341.213255][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3341.213255][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3341.213255][ T74] netlink_rcv_skb+0x130/0x360 [ 3341.213255][ T74] netlink_unicast+0x449/0x710 [ 3341.213255][ T74] netlink_sendmsg+0x723/0xbe0 [ 3341.213255][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3341.213255][ T74] ___sys_sendmsg+0xee/0x170 [ 3341.213255][ T74] __sys_sendmsg+0xcd/0x170 [ 3341.213255][ T74] do_syscall_64+0xc6/0x1e0 [ 3341.213255][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3341.213255][ T74] [ 3351.455976][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3351.456441][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3351.456441][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3351.456441][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3351.456441][ T74] fib6_nh_init+0xa22/0x1580 [ 3351.456441][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3351.456441][ T74] ip6_route_add+0x1c/0x140 [ 3351.456441][ T74] inet6_rtm_newroute+0x104/0x110 [ 3351.456441][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3351.456441][ T74] netlink_rcv_skb+0x130/0x360 [ 3351.456441][ T74] netlink_unicast+0x449/0x710 [ 3351.456441][ T74] netlink_sendmsg+0x723/0xbe0 [ 3351.456441][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3351.456441][ T74] ___sys_sendmsg+0xee/0x170 [ 3351.456441][ T74] __sys_sendmsg+0xcd/0x170 [ 3351.456441][ T74] do_syscall_64+0xc6/0x1e0 [ 3351.456441][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3351.456441][ T74] [ 3351.459317][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3351.459317][ T74] netdev_get_by_index+0x5e/0x80 [ 3351.459317][ T74] fib6_nh_init+0x3d8/0x1580 [ 3351.459317][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3351.459317][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3351.459317][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3351.459317][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3351.459317][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3351.459317][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3351.459317][ T74] addrconf_dad_begin+0x310/0x670 [ 3351.459317][ T74] addrconf_dad_work+0x10b/0xab0 [ 3351.459317][ T74] process_one_work+0x84d/0x18a0 [ 3351.459317][ T74] worker_thread+0x587/0xd30 [ 3351.459317][ T74] kthread+0x28a/0x350 [ 3351.459317][ T74] ret_from_fork+0x31/0x70 [ 3351.459317][ T74] ret_from_fork_asm+0x1a/0x30 [ 3351.459317][ T74] [ 3351.461700][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3351.461700][ T74] netdev_get_by_index+0x5e/0x80 [ 3351.461700][ T74] fib6_nh_init+0x3d8/0x1580 [ 3351.461700][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3351.461700][ T74] ip6_route_add+0x1c/0x140 [ 3351.461700][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3351.461700][ T74] inet6_addr_add+0x4f8/0xa40 [ 3351.461700][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3351.461700][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3351.461700][ T74] netlink_rcv_skb+0x130/0x360 [ 3351.461700][ T74] netlink_unicast+0x449/0x710 [ 3351.461700][ T74] netlink_sendmsg+0x723/0xbe0 [ 3351.461700][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3351.461700][ T74] ___sys_sendmsg+0xee/0x170 [ 3351.461700][ T74] __sys_sendmsg+0xcd/0x170 [ 3351.461700][ T74] do_syscall_64+0xc6/0x1e0 [ 3351.461700][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3351.461700][ T74] [ 3351.464197][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3351.464197][ T74] netdev_get_by_index+0x5e/0x80 [ 3351.464197][ T74] fib6_nh_init+0x3d8/0x1580 [ 3351.464197][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3351.464197][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3351.464197][ T74] ipv6_add_addr+0x411/0x2000 [ 3351.464197][ T74] inet6_addr_add+0x30e/0xa40 [ 3351.464197][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3351.464197][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3351.464197][ T74] netlink_rcv_skb+0x130/0x360 [ 3351.464197][ T74] netlink_unicast+0x449/0x710 [ 3351.464197][ T74] netlink_sendmsg+0x723/0xbe0 [ 3351.464197][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3351.464197][ T74] ___sys_sendmsg+0xee/0x170 [ 3351.464197][ T74] __sys_sendmsg+0xcd/0x170 [ 3351.464197][ T74] do_syscall_64+0xc6/0x1e0 [ 3351.464197][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3351.464197][ T74] [ 3351.466696][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3351.466696][ T74] netdev_get_by_index+0x5e/0x80 [ 3351.466696][ T74] fib6_nh_init+0x3d8/0x1580 [ 3351.466696][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3351.466696][ T74] ip6_route_add+0x1c/0x140 [ 3351.466696][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3351.466696][ T74] addrconf_add_dev+0xe2/0x170 [ 3351.466696][ T74] inet6_addr_add+0x12f/0xa40 [ 3351.466696][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3351.466696][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3351.466696][ T74] netlink_rcv_skb+0x130/0x360 [ 3351.466696][ T74] netlink_unicast+0x449/0x710 [ 3351.466696][ T74] netlink_sendmsg+0x723/0xbe0 [ 3351.466696][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3351.466696][ T74] ___sys_sendmsg+0xee/0x170 [ 3351.466696][ T74] __sys_sendmsg+0xcd/0x170 [ 3351.466696][ T74] do_syscall_64+0xc6/0x1e0 [ 3351.466696][ T74] [ 3351.469122][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3351.469122][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3351.469122][ T74] ipv6_find_idev+0x102/0x170 [ 3351.469122][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3351.469122][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3351.469122][ T74] netlink_rcv_skb+0x130/0x360 [ 3351.469122][ T74] netlink_unicast+0x449/0x710 [ 3351.469122][ T74] netlink_sendmsg+0x723/0xbe0 [ 3351.469122][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3351.469122][ T74] ___sys_sendmsg+0xee/0x170 [ 3351.469122][ T74] __sys_sendmsg+0xcd/0x170 [ 3351.469122][ T74] do_syscall_64+0xc6/0x1e0 [ 3351.469122][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3351.469122][ T74] [ 3351.471029][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3351.471029][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3351.471029][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3351.471029][ T74] ipv6_find_idev+0x102/0x170 [ 3351.471029][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3351.471029][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3351.471029][ T74] netlink_rcv_skb+0x130/0x360 [ 3351.471029][ T74] netlink_unicast+0x449/0x710 [ 3351.471029][ T74] netlink_sendmsg+0x723/0xbe0 [ 3351.471029][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3351.471029][ T74] ___sys_sendmsg+0xee/0x170 [ 3351.471029][ T74] __sys_sendmsg+0xcd/0x170 [ 3351.471029][ T74] do_syscall_64+0xc6/0x1e0 [ 3351.471029][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3351.471029][ T74] [ 3351.473140][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3351.473462][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3351.473462][ T74] dst_init+0x84/0x4a0 [ 3351.473462][ T74] dst_alloc+0x97/0x150 [ 3351.473462][ T74] ip6_dst_alloc+0x23/0x90 [ 3351.473462][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3351.473462][ T74] ip6_pol_route+0x56f/0x840 [ 3351.473462][ T74] fib6_rule_lookup+0x456/0x630 [ 3351.473462][ T74] ip6_route_input+0x59c/0xa50 [ 3351.473462][ T74] ipv6_rcv+0x397/0x810 [ 3351.473462][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3351.473462][ T74] process_backlog+0x101/0x620 [ 3351.473462][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3351.473462][ T74] net_rx_action+0x495/0xbe0 [ 3351.473462][ T74] __do_softirq+0x1b5/0x7f6 [ 3351.473462][ T74] [ 3351.475497][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3351.475497][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3351.475497][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3351.475497][ T74] fib6_nh_init+0xa22/0x1580 [ 3351.475497][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3351.475497][ T74] ip6_route_add+0x1c/0x140 [ 3351.475497][ T74] inet6_rtm_newroute+0x104/0x110 [ 3351.475497][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3351.475497][ T74] netlink_rcv_skb+0x130/0x360 [ 3351.475497][ T74] netlink_unicast+0x449/0x710 [ 3351.475497][ T74] netlink_sendmsg+0x723/0xbe0 [ 3351.475497][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3351.475497][ T74] ___sys_sendmsg+0xee/0x170 [ 3351.475497][ T74] __sys_sendmsg+0xcd/0x170 [ 3351.475497][ T74] do_syscall_64+0xc6/0x1e0 [ 3351.475497][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3351.475497][ T74] [ 3351.480514][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3351.480514][ T74] netdev_get_by_index+0x5e/0x80 [ 3351.480514][ T74] fib6_nh_init+0x3d8/0x1580 [ 3351.480514][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3351.480514][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3351.480514][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3351.480514][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3351.480514][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3351.480514][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3351.480514][ T74] addrconf_dad_begin+0x310/0x670 [ 3351.480514][ T74] addrconf_dad_work+0x10b/0xab0 [ 3351.480514][ T74] process_one_work+0x84d/0x18a0 [ 3351.480514][ T74] worker_thread+0x587/0xd30 [ 3351.480514][ T74] kthread+0x28a/0x350 [ 3351.480514][ T74] ret_from_fork+0x31/0x70 [ 3351.480514][ T74] ret_from_fork_asm+0x1a/0x30 [ 3351.480514][ T74] [ 3351.482876][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3351.482876][ T74] netdev_get_by_index+0x5e/0x80 [ 3351.482876][ T74] fib6_nh_init+0x3d8/0x1580 [ 3351.482876][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3351.482876][ T74] ip6_route_add+0x1c/0x140 [ 3351.482876][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3351.482876][ T74] inet6_addr_add+0x4f8/0xa40 [ 3351.482876][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3351.482876][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3351.482876][ T74] netlink_rcv_skb+0x130/0x360 [ 3351.482876][ T74] netlink_unicast+0x449/0x710 [ 3351.482876][ T74] netlink_sendmsg+0x723/0xbe0 [ 3351.482876][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3351.482876][ T74] ___sys_sendmsg+0xee/0x170 [ 3351.482876][ T74] __sys_sendmsg+0xcd/0x170 [ 3351.482876][ T74] do_syscall_64+0xc6/0x1e0 [ 3351.482876][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3351.482876][ T74] [ 3351.485333][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3351.485333][ T74] netdev_get_by_index+0x5e/0x80 [ 3351.485333][ T74] fib6_nh_init+0x3d8/0x1580 [ 3351.485333][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3351.485333][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3351.485333][ T74] ipv6_add_addr+0x411/0x2000 [ 3351.485333][ T74] inet6_addr_add+0x30e/0xa40 [ 3351.485333][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3351.485333][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3351.485333][ T74] netlink_rcv_skb+0x130/0x360 [ 3351.485333][ T74] netlink_unicast+0x449/0x710 [ 3351.485333][ T74] netlink_sendmsg+0x723/0xbe0 [ 3351.485333][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3351.485333][ T74] ___sys_sendmsg+0xee/0x170 [ 3351.485333][ T74] __sys_sendmsg+0xcd/0x170 [ 3351.485333][ T74] do_syscall_64+0xc6/0x1e0 [ 3351.485333][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3351.485333][ T74] [ 3351.487792][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3351.487792][ T74] netdev_get_by_index+0x5e/0x80 [ 3351.487792][ T74] fib6_nh_init+0x3d8/0x1580 [ 3351.487792][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3351.487792][ T74] ip6_route_add+0x1c/0x140 [ 3351.487792][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3351.487792][ T74] addrconf_add_dev+0xe2/0x170 [ 3351.487792][ T74] inet6_addr_add+0x12f/0xa40 [ 3351.487792][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3351.487792][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3351.487792][ T74] netlink_rcv_skb+0x130/0x360 [ 3351.487792][ T74] netlink_unicast+0x449/0x710 [ 3351.487792][ T74] netlink_sendmsg+0x723/0xbe0 [ 3351.487792][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3351.487792][ T74] ___sys_sendmsg+0xee/0x170 [ 3351.487792][ T74] __sys_sendmsg+0xcd/0x170 [ 3351.487792][ T74] do_syscall_64+0xc6/0x1e0 [ 3351.487792][ T74] [ 3351.490200][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3351.490200][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3351.490200][ T74] ipv6_find_idev+0x102/0x170 [ 3351.490200][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3351.490200][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3351.490200][ T74] netlink_rcv_skb+0x130/0x360 [ 3351.490200][ T74] netlink_unicast+0x449/0x710 [ 3351.490200][ T74] netlink_sendmsg+0x723/0xbe0 [ 3351.490200][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3351.490200][ T74] ___sys_sendmsg+0xee/0x170 [ 3351.490200][ T74] __sys_sendmsg+0xcd/0x170 [ 3351.490200][ T74] do_syscall_64+0xc6/0x1e0 [ 3351.490200][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3351.490200][ T74] [ 3351.492283][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3351.492283][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3351.492283][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3351.492283][ T74] ipv6_find_idev+0x102/0x170 [ 3351.492283][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3351.492283][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3351.492283][ T74] netlink_rcv_skb+0x130/0x360 [ 3351.492283][ T74] netlink_unicast+0x449/0x710 [ 3351.492283][ T74] netlink_sendmsg+0x723/0xbe0 [ 3351.492283][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3351.492283][ T74] ___sys_sendmsg+0xee/0x170 [ 3351.492283][ T74] __sys_sendmsg+0xcd/0x170 [ 3351.492283][ T74] do_syscall_64+0xc6/0x1e0 [ 3351.492283][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3351.492283][ T74] [ 3351.494625][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3351.494997][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3351.494997][ T74] netdev_get_by_index+0x5e/0x80 [ 3351.494997][ T74] fib6_nh_init+0x3d8/0x1580 [ 3351.494997][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3351.494997][ T74] ip6_route_add+0x1c/0x140 [ 3351.494997][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3351.494997][ T74] inet6_addr_add+0x4f8/0xa40 [ 3351.494997][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3351.494997][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3351.494997][ T74] netlink_rcv_skb+0x130/0x360 [ 3351.494997][ T74] netlink_unicast+0x449/0x710 [ 3351.494997][ T74] netlink_sendmsg+0x723/0xbe0 [ 3351.494997][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3351.494997][ T74] ___sys_sendmsg+0xee/0x170 [ 3351.494997][ T74] __sys_sendmsg+0xcd/0x170 [ 3351.494997][ T74] do_syscall_64+0xc6/0x1e0 [ 3351.494997][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3351.494997][ T74] [ 3351.497652][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3351.497652][ T74] netdev_get_by_index+0x5e/0x80 [ 3351.497652][ T74] fib6_nh_init+0x3d8/0x1580 [ 3351.497652][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3351.497652][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3351.497652][ T74] ipv6_add_addr+0x411/0x2000 [ 3351.497652][ T74] inet6_addr_add+0x30e/0xa40 [ 3351.497652][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3351.497652][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3351.497652][ T74] netlink_rcv_skb+0x130/0x360 [ 3351.497652][ T74] netlink_unicast+0x449/0x710 [ 3351.497652][ T74] netlink_sendmsg+0x723/0xbe0 [ 3351.497652][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3351.497652][ T74] ___sys_sendmsg+0xee/0x170 [ 3351.497652][ T74] __sys_sendmsg+0xcd/0x170 [ 3351.497652][ T74] do_syscall_64+0xc6/0x1e0 [ 3351.497652][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3351.497652][ T74] [ 3351.500354][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3351.500354][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3351.500354][ T74] ipv6_find_idev+0x102/0x170 [ 3351.500354][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3351.500354][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3351.500354][ T74] netlink_rcv_skb+0x130/0x360 [ 3351.500354][ T74] netlink_unicast+0x449/0x710 [ 3351.500354][ T74] netlink_sendmsg+0x723/0xbe0 [ 3351.500354][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3351.500354][ T74] ___sys_sendmsg+0xee/0x170 [ 3351.500354][ T74] __sys_sendmsg+0xcd/0x170 [ 3351.500354][ T74] do_syscall_64+0xc6/0x1e0 [ 3351.500354][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3351.500354][ T74] [ 3351.502452][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3351.502452][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3351.502452][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3351.502452][ T74] ipv6_find_idev+0x102/0x170 [ 3351.502452][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3351.502452][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3351.502452][ T74] netlink_rcv_skb+0x130/0x360 [ 3351.502452][ T74] netlink_unicast+0x449/0x710 [ 3351.502452][ T74] netlink_sendmsg+0x723/0xbe0 [ 3351.502452][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3351.502452][ T74] ___sys_sendmsg+0xee/0x170 [ 3351.502452][ T74] __sys_sendmsg+0xcd/0x170 [ 3351.502452][ T74] do_syscall_64+0xc6/0x1e0 [ 3351.502452][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3351.502452][ T74] [ 3361.744108][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3361.744479][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3361.744479][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3361.744479][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3361.744479][ T74] fib6_nh_init+0xa22/0x1580 [ 3361.744479][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3361.744479][ T74] ip6_route_add+0x1c/0x140 [ 3361.744479][ T74] inet6_rtm_newroute+0x104/0x110 [ 3361.744479][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3361.744479][ T74] netlink_rcv_skb+0x130/0x360 [ 3361.744479][ T74] netlink_unicast+0x449/0x710 [ 3361.744479][ T74] netlink_sendmsg+0x723/0xbe0 [ 3361.744479][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3361.744479][ T74] ___sys_sendmsg+0xee/0x170 [ 3361.744479][ T74] __sys_sendmsg+0xcd/0x170 [ 3361.744479][ T74] do_syscall_64+0xc6/0x1e0 [ 3361.744479][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3361.744479][ T74] [ 3361.746410][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3361.746410][ T74] netdev_get_by_index+0x5e/0x80 [ 3361.746410][ T74] fib6_nh_init+0x3d8/0x1580 [ 3361.746410][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3361.746410][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3361.746410][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3361.746410][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3361.746410][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3361.746410][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3361.746410][ T74] addrconf_dad_begin+0x310/0x670 [ 3361.746410][ T74] addrconf_dad_work+0x10b/0xab0 [ 3361.746410][ T74] process_one_work+0x84d/0x18a0 [ 3361.746410][ T74] worker_thread+0x587/0xd30 [ 3361.746410][ T74] kthread+0x28a/0x350 [ 3361.746410][ T74] ret_from_fork+0x31/0x70 [ 3361.746410][ T74] ret_from_fork_asm+0x1a/0x30 [ 3361.746410][ T74] [ 3361.748353][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3361.748353][ T74] netdev_get_by_index+0x5e/0x80 [ 3361.748353][ T74] fib6_nh_init+0x3d8/0x1580 [ 3361.748353][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3361.748353][ T74] ip6_route_add+0x1c/0x140 [ 3361.748353][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3361.748353][ T74] inet6_addr_add+0x4f8/0xa40 [ 3361.748353][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3361.748353][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3361.748353][ T74] netlink_rcv_skb+0x130/0x360 [ 3361.748353][ T74] netlink_unicast+0x449/0x710 [ 3361.748353][ T74] netlink_sendmsg+0x723/0xbe0 [ 3361.748353][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3361.748353][ T74] ___sys_sendmsg+0xee/0x170 [ 3361.748353][ T74] __sys_sendmsg+0xcd/0x170 [ 3361.748353][ T74] do_syscall_64+0xc6/0x1e0 [ 3361.748353][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3361.748353][ T74] [ 3361.750368][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3361.750368][ T74] netdev_get_by_index+0x5e/0x80 [ 3361.750368][ T74] fib6_nh_init+0x3d8/0x1580 [ 3361.750368][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3361.750368][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3361.750368][ T74] ipv6_add_addr+0x411/0x2000 [ 3361.750368][ T74] inet6_addr_add+0x30e/0xa40 [ 3361.750368][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3361.750368][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3361.750368][ T74] netlink_rcv_skb+0x130/0x360 [ 3361.750368][ T74] netlink_unicast+0x449/0x710 [ 3361.750368][ T74] netlink_sendmsg+0x723/0xbe0 [ 3361.750368][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3361.750368][ T74] ___sys_sendmsg+0xee/0x170 [ 3361.750368][ T74] __sys_sendmsg+0xcd/0x170 [ 3361.750368][ T74] do_syscall_64+0xc6/0x1e0 [ 3361.750368][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3361.750368][ T74] [ 3361.752379][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3361.752379][ T74] netdev_get_by_index+0x5e/0x80 [ 3361.752379][ T74] fib6_nh_init+0x3d8/0x1580 [ 3361.752379][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3361.752379][ T74] ip6_route_add+0x1c/0x140 [ 3361.752379][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3361.752379][ T74] addrconf_add_dev+0xe2/0x170 [ 3361.752379][ T74] inet6_addr_add+0x12f/0xa40 [ 3361.752379][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3361.752379][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3361.752379][ T74] netlink_rcv_skb+0x130/0x360 [ 3361.752379][ T74] netlink_unicast+0x449/0x710 [ 3361.752379][ T74] netlink_sendmsg+0x723/0xbe0 [ 3361.752379][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3361.752379][ T74] ___sys_sendmsg+0xee/0x170 [ 3361.752379][ T74] __sys_sendmsg+0xcd/0x170 [ 3361.752379][ T74] do_syscall_64+0xc6/0x1e0 [ 3361.752379][ T74] [ 3361.754368][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3361.754368][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3361.754368][ T74] ipv6_find_idev+0x102/0x170 [ 3361.754368][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3361.754368][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3361.754368][ T74] netlink_rcv_skb+0x130/0x360 [ 3361.754368][ T74] netlink_unicast+0x449/0x710 [ 3361.754368][ T74] netlink_sendmsg+0x723/0xbe0 [ 3361.754368][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3361.754368][ T74] ___sys_sendmsg+0xee/0x170 [ 3361.754368][ T74] __sys_sendmsg+0xcd/0x170 [ 3361.754368][ T74] do_syscall_64+0xc6/0x1e0 [ 3361.754368][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3361.754368][ T74] [ 3361.755912][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3361.755912][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3361.755912][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3361.755912][ T74] ipv6_find_idev+0x102/0x170 [ 3361.755912][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3361.755912][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3361.755912][ T74] netlink_rcv_skb+0x130/0x360 [ 3361.755912][ T74] netlink_unicast+0x449/0x710 [ 3361.755912][ T74] netlink_sendmsg+0x723/0xbe0 [ 3361.755912][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3361.755912][ T74] ___sys_sendmsg+0xee/0x170 [ 3361.755912][ T74] __sys_sendmsg+0xcd/0x170 [ 3361.755912][ T74] do_syscall_64+0xc6/0x1e0 [ 3361.755912][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3361.755912][ T74] [ 3361.757606][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3361.757884][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3361.757884][ T74] dst_init+0x84/0x4a0 [ 3361.757884][ T74] dst_alloc+0x97/0x150 [ 3361.757884][ T74] ip6_dst_alloc+0x23/0x90 [ 3361.757884][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3361.757884][ T74] ip6_pol_route+0x56f/0x840 [ 3361.757884][ T74] fib6_rule_lookup+0x456/0x630 [ 3361.757884][ T74] ip6_route_input+0x59c/0xa50 [ 3361.757884][ T74] ipv6_rcv+0x397/0x810 [ 3361.757884][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3361.757884][ T74] process_backlog+0x101/0x620 [ 3361.757884][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3361.757884][ T74] net_rx_action+0x495/0xbe0 [ 3361.757884][ T74] __do_softirq+0x1b5/0x7f6 [ 3361.757884][ T74] [ 3361.759518][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3361.759518][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3361.759518][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3361.759518][ T74] fib6_nh_init+0xa22/0x1580 [ 3361.759518][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3361.759518][ T74] ip6_route_add+0x1c/0x140 [ 3361.759518][ T74] inet6_rtm_newroute+0x104/0x110 [ 3361.759518][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3361.759518][ T74] netlink_rcv_skb+0x130/0x360 [ 3361.759518][ T74] netlink_unicast+0x449/0x710 [ 3361.759518][ T74] netlink_sendmsg+0x723/0xbe0 [ 3361.759518][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3361.759518][ T74] ___sys_sendmsg+0xee/0x170 [ 3361.759518][ T74] __sys_sendmsg+0xcd/0x170 [ 3361.759518][ T74] do_syscall_64+0xc6/0x1e0 [ 3361.759518][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3361.759518][ T74] [ 3361.761425][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3361.761425][ T74] netdev_get_by_index+0x5e/0x80 [ 3361.761425][ T74] fib6_nh_init+0x3d8/0x1580 [ 3361.761425][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3361.761425][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3361.761425][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3361.761425][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3361.761425][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3361.761425][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3361.761425][ T74] addrconf_dad_begin+0x310/0x670 [ 3361.761425][ T74] addrconf_dad_work+0x10b/0xab0 [ 3361.761425][ T74] process_one_work+0x84d/0x18a0 [ 3361.761425][ T74] worker_thread+0x587/0xd30 [ 3361.761425][ T74] kthread+0x28a/0x350 [ 3361.761425][ T74] ret_from_fork+0x31/0x70 [ 3361.761425][ T74] ret_from_fork_asm+0x1a/0x30 [ 3361.761425][ T74] [ 3361.763389][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3361.763389][ T74] netdev_get_by_index+0x5e/0x80 [ 3361.763389][ T74] fib6_nh_init+0x3d8/0x1580 [ 3361.763389][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3361.763389][ T74] ip6_route_add+0x1c/0x140 [ 3361.763389][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3361.763389][ T74] inet6_addr_add+0x4f8/0xa40 [ 3361.763389][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3361.763389][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3361.763389][ T74] netlink_rcv_skb+0x130/0x360 [ 3361.763389][ T74] netlink_unicast+0x449/0x710 [ 3361.763389][ T74] netlink_sendmsg+0x723/0xbe0 [ 3361.763389][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3361.763389][ T74] ___sys_sendmsg+0xee/0x170 [ 3361.763389][ T74] __sys_sendmsg+0xcd/0x170 [ 3361.763389][ T74] do_syscall_64+0xc6/0x1e0 [ 3361.763389][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3361.763389][ T74] [ 3361.765402][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3361.765402][ T74] netdev_get_by_index+0x5e/0x80 [ 3361.765402][ T74] fib6_nh_init+0x3d8/0x1580 [ 3361.765402][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3361.765402][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3361.765402][ T74] ipv6_add_addr+0x411/0x2000 [ 3361.765402][ T74] inet6_addr_add+0x30e/0xa40 [ 3361.765402][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3361.765402][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3361.765402][ T74] netlink_rcv_skb+0x130/0x360 [ 3361.765402][ T74] netlink_unicast+0x449/0x710 [ 3361.765402][ T74] netlink_sendmsg+0x723/0xbe0 [ 3361.765402][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3361.765402][ T74] ___sys_sendmsg+0xee/0x170 [ 3361.765402][ T74] __sys_sendmsg+0xcd/0x170 [ 3361.765402][ T74] do_syscall_64+0xc6/0x1e0 [ 3361.765402][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3361.765402][ T74] [ 3361.767389][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3361.767389][ T74] netdev_get_by_index+0x5e/0x80 [ 3361.767389][ T74] fib6_nh_init+0x3d8/0x1580 [ 3361.767389][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3361.767389][ T74] ip6_route_add+0x1c/0x140 [ 3361.767389][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3361.767389][ T74] addrconf_add_dev+0xe2/0x170 [ 3361.767389][ T74] inet6_addr_add+0x12f/0xa40 [ 3361.767389][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3361.767389][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3361.767389][ T74] netlink_rcv_skb+0x130/0x360 [ 3361.767389][ T74] netlink_unicast+0x449/0x710 [ 3361.767389][ T74] netlink_sendmsg+0x723/0xbe0 [ 3361.767389][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3361.767389][ T74] ___sys_sendmsg+0xee/0x170 [ 3361.767389][ T74] __sys_sendmsg+0xcd/0x170 [ 3361.767389][ T74] do_syscall_64+0xc6/0x1e0 [ 3361.767389][ T74] [ 3361.769333][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3361.769333][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3361.769333][ T74] ipv6_find_idev+0x102/0x170 [ 3361.769333][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3361.769333][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3361.769333][ T74] netlink_rcv_skb+0x130/0x360 [ 3361.769333][ T74] netlink_unicast+0x449/0x710 [ 3361.769333][ T74] netlink_sendmsg+0x723/0xbe0 [ 3361.769333][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3361.769333][ T74] ___sys_sendmsg+0xee/0x170 [ 3361.769333][ T74] __sys_sendmsg+0xcd/0x170 [ 3361.769333][ T74] do_syscall_64+0xc6/0x1e0 [ 3361.769333][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3361.769333][ T74] [ 3361.770981][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3361.770981][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3361.770981][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3361.770981][ T74] ipv6_find_idev+0x102/0x170 [ 3361.770981][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3361.770981][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3361.770981][ T74] netlink_rcv_skb+0x130/0x360 [ 3361.770981][ T74] netlink_unicast+0x449/0x710 [ 3361.770981][ T74] netlink_sendmsg+0x723/0xbe0 [ 3361.770981][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3361.770981][ T74] ___sys_sendmsg+0xee/0x170 [ 3361.770981][ T74] __sys_sendmsg+0xcd/0x170 [ 3361.770981][ T74] do_syscall_64+0xc6/0x1e0 [ 3361.770981][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3361.770981][ T74] [ 3361.772964][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3361.773198][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3361.773198][ T74] netdev_get_by_index+0x5e/0x80 [ 3361.773198][ T74] fib6_nh_init+0x3d8/0x1580 [ 3361.773198][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3361.773198][ T74] ip6_route_add+0x1c/0x140 [ 3361.773198][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3361.773198][ T74] inet6_addr_add+0x4f8/0xa40 [ 3361.773198][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3361.773198][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3361.773198][ T74] netlink_rcv_skb+0x130/0x360 [ 3361.773198][ T74] netlink_unicast+0x449/0x710 [ 3361.773198][ T74] netlink_sendmsg+0x723/0xbe0 [ 3361.773198][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3361.773198][ T74] ___sys_sendmsg+0xee/0x170 [ 3361.773198][ T74] __sys_sendmsg+0xcd/0x170 [ 3361.773198][ T74] do_syscall_64+0xc6/0x1e0 [ 3361.773198][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3361.773198][ T74] [ 3361.775428][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3361.775428][ T74] netdev_get_by_index+0x5e/0x80 [ 3361.775428][ T74] fib6_nh_init+0x3d8/0x1580 [ 3361.775428][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3361.775428][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3361.775428][ T74] ipv6_add_addr+0x411/0x2000 [ 3361.775428][ T74] inet6_addr_add+0x30e/0xa40 [ 3361.775428][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3361.775428][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3361.775428][ T74] netlink_rcv_skb+0x130/0x360 [ 3361.775428][ T74] netlink_unicast+0x449/0x710 [ 3361.775428][ T74] netlink_sendmsg+0x723/0xbe0 [ 3361.775428][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3361.775428][ T74] ___sys_sendmsg+0xee/0x170 [ 3361.775428][ T74] __sys_sendmsg+0xcd/0x170 [ 3361.775428][ T74] do_syscall_64+0xc6/0x1e0 [ 3361.775428][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3361.775428][ T74] [ 3361.777656][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3361.777656][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3361.777656][ T74] ipv6_find_idev+0x102/0x170 [ 3361.777656][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3361.777656][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3361.777656][ T74] netlink_rcv_skb+0x130/0x360 [ 3361.777656][ T74] netlink_unicast+0x449/0x710 [ 3361.777656][ T74] netlink_sendmsg+0x723/0xbe0 [ 3361.777656][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3361.777656][ T74] ___sys_sendmsg+0xee/0x170 [ 3361.777656][ T74] __sys_sendmsg+0xcd/0x170 [ 3361.777656][ T74] do_syscall_64+0xc6/0x1e0 [ 3361.777656][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3361.777656][ T74] [ 3361.779308][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3361.779308][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3361.779308][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3361.779308][ T74] ipv6_find_idev+0x102/0x170 [ 3361.779308][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3361.779308][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3361.779308][ T74] netlink_rcv_skb+0x130/0x360 [ 3361.779308][ T74] netlink_unicast+0x449/0x710 [ 3361.779308][ T74] netlink_sendmsg+0x723/0xbe0 [ 3361.779308][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3361.779308][ T74] ___sys_sendmsg+0xee/0x170 [ 3361.779308][ T74] __sys_sendmsg+0xcd/0x170 [ 3361.779308][ T74] do_syscall_64+0xc6/0x1e0 [ 3361.779308][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3361.779308][ T74] [ 3372.023922][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3372.024316][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3372.024316][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3372.024316][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3372.024316][ T74] fib6_nh_init+0xa22/0x1580 [ 3372.024316][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3372.024316][ T74] ip6_route_add+0x1c/0x140 [ 3372.024316][ T74] inet6_rtm_newroute+0x104/0x110 [ 3372.024316][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3372.024316][ T74] netlink_rcv_skb+0x130/0x360 [ 3372.024316][ T74] netlink_unicast+0x449/0x710 [ 3372.024316][ T74] netlink_sendmsg+0x723/0xbe0 [ 3372.024316][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3372.024316][ T74] ___sys_sendmsg+0xee/0x170 [ 3372.024316][ T74] __sys_sendmsg+0xcd/0x170 [ 3372.024316][ T74] do_syscall_64+0xc6/0x1e0 [ 3372.024316][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3372.024316][ T74] [ 3372.026267][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3372.026267][ T74] netdev_get_by_index+0x5e/0x80 [ 3372.026267][ T74] fib6_nh_init+0x3d8/0x1580 [ 3372.026267][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3372.026267][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3372.026267][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3372.026267][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3372.026267][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3372.026267][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3372.026267][ T74] addrconf_dad_begin+0x310/0x670 [ 3372.026267][ T74] addrconf_dad_work+0x10b/0xab0 [ 3372.026267][ T74] process_one_work+0x84d/0x18a0 [ 3372.026267][ T74] worker_thread+0x587/0xd30 [ 3372.026267][ T74] kthread+0x28a/0x350 [ 3372.026267][ T74] ret_from_fork+0x31/0x70 [ 3372.026267][ T74] ret_from_fork_asm+0x1a/0x30 [ 3372.026267][ T74] [ 3372.028200][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3372.028200][ T74] netdev_get_by_index+0x5e/0x80 [ 3372.028200][ T74] fib6_nh_init+0x3d8/0x1580 [ 3372.028200][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3372.028200][ T74] ip6_route_add+0x1c/0x140 [ 3372.028200][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3372.028200][ T74] inet6_addr_add+0x4f8/0xa40 [ 3372.028200][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3372.028200][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3372.028200][ T74] netlink_rcv_skb+0x130/0x360 [ 3372.028200][ T74] netlink_unicast+0x449/0x710 [ 3372.028200][ T74] netlink_sendmsg+0x723/0xbe0 [ 3372.028200][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3372.028200][ T74] ___sys_sendmsg+0xee/0x170 [ 3372.028200][ T74] __sys_sendmsg+0xcd/0x170 [ 3372.028200][ T74] do_syscall_64+0xc6/0x1e0 [ 3372.028200][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3372.028200][ T74] [ 3372.030247][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3372.030247][ T74] netdev_get_by_index+0x5e/0x80 [ 3372.030247][ T74] fib6_nh_init+0x3d8/0x1580 [ 3372.030247][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3372.030247][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3372.030247][ T74] ipv6_add_addr+0x411/0x2000 [ 3372.030247][ T74] inet6_addr_add+0x30e/0xa40 [ 3372.030247][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3372.030247][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3372.030247][ T74] netlink_rcv_skb+0x130/0x360 [ 3372.030247][ T74] netlink_unicast+0x449/0x710 [ 3372.030247][ T74] netlink_sendmsg+0x723/0xbe0 [ 3372.030247][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3372.030247][ T74] ___sys_sendmsg+0xee/0x170 [ 3372.030247][ T74] __sys_sendmsg+0xcd/0x170 [ 3372.030247][ T74] do_syscall_64+0xc6/0x1e0 [ 3372.030247][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3372.030247][ T74] [ 3372.032272][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3372.032272][ T74] netdev_get_by_index+0x5e/0x80 [ 3372.032272][ T74] fib6_nh_init+0x3d8/0x1580 [ 3372.032272][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3372.032272][ T74] ip6_route_add+0x1c/0x140 [ 3372.032272][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3372.032272][ T74] addrconf_add_dev+0xe2/0x170 [ 3372.032272][ T74] inet6_addr_add+0x12f/0xa40 [ 3372.032272][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3372.032272][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3372.032272][ T74] netlink_rcv_skb+0x130/0x360 [ 3372.032272][ T74] netlink_unicast+0x449/0x710 [ 3372.032272][ T74] netlink_sendmsg+0x723/0xbe0 [ 3372.032272][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3372.032272][ T74] ___sys_sendmsg+0xee/0x170 [ 3372.032272][ T74] __sys_sendmsg+0xcd/0x170 [ 3372.032272][ T74] do_syscall_64+0xc6/0x1e0 [ 3372.032272][ T74] [ 3372.034282][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3372.034282][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3372.034282][ T74] ipv6_find_idev+0x102/0x170 [ 3372.034282][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3372.034282][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3372.034282][ T74] netlink_rcv_skb+0x130/0x360 [ 3372.034282][ T74] netlink_unicast+0x449/0x710 [ 3372.034282][ T74] netlink_sendmsg+0x723/0xbe0 [ 3372.034282][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3372.034282][ T74] ___sys_sendmsg+0xee/0x170 [ 3372.034282][ T74] __sys_sendmsg+0xcd/0x170 [ 3372.034282][ T74] do_syscall_64+0xc6/0x1e0 [ 3372.034282][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3372.034282][ T74] [ 3372.035855][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3372.035855][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3372.035855][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3372.035855][ T74] ipv6_find_idev+0x102/0x170 [ 3372.035855][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3372.035855][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3372.035855][ T74] netlink_rcv_skb+0x130/0x360 [ 3372.035855][ T74] netlink_unicast+0x449/0x710 [ 3372.035855][ T74] netlink_sendmsg+0x723/0xbe0 [ 3372.035855][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3372.035855][ T74] ___sys_sendmsg+0xee/0x170 [ 3372.035855][ T74] __sys_sendmsg+0xcd/0x170 [ 3372.035855][ T74] do_syscall_64+0xc6/0x1e0 [ 3372.035855][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3372.035855][ T74] [ 3372.037594][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3372.037873][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3372.037873][ T74] dst_init+0x84/0x4a0 [ 3372.037873][ T74] dst_alloc+0x97/0x150 [ 3372.037873][ T74] ip6_dst_alloc+0x23/0x90 [ 3372.037873][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3372.037873][ T74] ip6_pol_route+0x56f/0x840 [ 3372.037873][ T74] fib6_rule_lookup+0x456/0x630 [ 3372.037873][ T74] ip6_route_input+0x59c/0xa50 [ 3372.037873][ T74] ipv6_rcv+0x397/0x810 [ 3372.037873][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3372.037873][ T74] process_backlog+0x101/0x620 [ 3372.037873][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3372.037873][ T74] net_rx_action+0x495/0xbe0 [ 3372.037873][ T74] __do_softirq+0x1b5/0x7f6 [ 3372.037873][ T74] [ 3372.039526][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3372.039526][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3372.039526][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3372.039526][ T74] fib6_nh_init+0xa22/0x1580 [ 3372.039526][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3372.039526][ T74] ip6_route_add+0x1c/0x140 [ 3372.039526][ T74] inet6_rtm_newroute+0x104/0x110 [ 3372.039526][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3372.039526][ T74] netlink_rcv_skb+0x130/0x360 [ 3372.039526][ T74] netlink_unicast+0x449/0x710 [ 3372.039526][ T74] netlink_sendmsg+0x723/0xbe0 [ 3372.039526][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3372.039526][ T74] ___sys_sendmsg+0xee/0x170 [ 3372.039526][ T74] __sys_sendmsg+0xcd/0x170 [ 3372.039526][ T74] do_syscall_64+0xc6/0x1e0 [ 3372.039526][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3372.039526][ T74] [ 3372.041444][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3372.041444][ T74] netdev_get_by_index+0x5e/0x80 [ 3372.041444][ T74] fib6_nh_init+0x3d8/0x1580 [ 3372.041444][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3372.041444][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3372.041444][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3372.041444][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3372.041444][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3372.041444][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3372.041444][ T74] addrconf_dad_begin+0x310/0x670 [ 3372.041444][ T74] addrconf_dad_work+0x10b/0xab0 [ 3372.041444][ T74] process_one_work+0x84d/0x18a0 [ 3372.041444][ T74] worker_thread+0x587/0xd30 [ 3372.041444][ T74] kthread+0x28a/0x350 [ 3372.041444][ T74] ret_from_fork+0x31/0x70 [ 3372.041444][ T74] ret_from_fork_asm+0x1a/0x30 [ 3372.041444][ T74] [ 3372.043387][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3372.043387][ T74] netdev_get_by_index+0x5e/0x80 [ 3372.043387][ T74] fib6_nh_init+0x3d8/0x1580 [ 3372.043387][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3372.043387][ T74] ip6_route_add+0x1c/0x140 [ 3372.043387][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3372.043387][ T74] inet6_addr_add+0x4f8/0xa40 [ 3372.043387][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3372.043387][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3372.043387][ T74] netlink_rcv_skb+0x130/0x360 [ 3372.043387][ T74] netlink_unicast+0x449/0x710 [ 3372.043387][ T74] netlink_sendmsg+0x723/0xbe0 [ 3372.043387][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3372.043387][ T74] ___sys_sendmsg+0xee/0x170 [ 3372.043387][ T74] __sys_sendmsg+0xcd/0x170 [ 3372.043387][ T74] do_syscall_64+0xc6/0x1e0 [ 3372.043387][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3372.043387][ T74] [ 3372.045470][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3372.045470][ T74] netdev_get_by_index+0x5e/0x80 [ 3372.045470][ T74] fib6_nh_init+0x3d8/0x1580 [ 3372.045470][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3372.045470][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3372.045470][ T74] ipv6_add_addr+0x411/0x2000 [ 3372.045470][ T74] inet6_addr_add+0x30e/0xa40 [ 3372.045470][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3372.045470][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3372.045470][ T74] netlink_rcv_skb+0x130/0x360 [ 3372.045470][ T74] netlink_unicast+0x449/0x710 [ 3372.045470][ T74] netlink_sendmsg+0x723/0xbe0 [ 3372.045470][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3372.045470][ T74] ___sys_sendmsg+0xee/0x170 [ 3372.045470][ T74] __sys_sendmsg+0xcd/0x170 [ 3372.045470][ T74] do_syscall_64+0xc6/0x1e0 [ 3372.045470][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3372.045470][ T74] [ 3372.047493][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3372.047493][ T74] netdev_get_by_index+0x5e/0x80 [ 3372.047493][ T74] fib6_nh_init+0x3d8/0x1580 [ 3372.047493][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3372.047493][ T74] ip6_route_add+0x1c/0x140 [ 3372.047493][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3372.047493][ T74] addrconf_add_dev+0xe2/0x170 [ 3372.047493][ T74] inet6_addr_add+0x12f/0xa40 [ 3372.047493][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3372.047493][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3372.047493][ T74] netlink_rcv_skb+0x130/0x360 [ 3372.047493][ T74] netlink_unicast+0x449/0x710 [ 3372.047493][ T74] netlink_sendmsg+0x723/0xbe0 [ 3372.047493][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3372.047493][ T74] ___sys_sendmsg+0xee/0x170 [ 3372.047493][ T74] __sys_sendmsg+0xcd/0x170 [ 3372.047493][ T74] do_syscall_64+0xc6/0x1e0 [ 3372.047493][ T74] [ 3372.049517][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3372.049517][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3372.049517][ T74] ipv6_find_idev+0x102/0x170 [ 3372.049517][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3372.049517][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3372.049517][ T74] netlink_rcv_skb+0x130/0x360 [ 3372.049517][ T74] netlink_unicast+0x449/0x710 [ 3372.049517][ T74] netlink_sendmsg+0x723/0xbe0 [ 3372.049517][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3372.049517][ T74] ___sys_sendmsg+0xee/0x170 [ 3372.049517][ T74] __sys_sendmsg+0xcd/0x170 [ 3372.049517][ T74] do_syscall_64+0xc6/0x1e0 [ 3372.049517][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3372.049517][ T74] [ 3372.051220][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3372.051220][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3372.051220][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3372.051220][ T74] ipv6_find_idev+0x102/0x170 [ 3372.051220][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3372.051220][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3372.051220][ T74] netlink_rcv_skb+0x130/0x360 [ 3372.051220][ T74] netlink_unicast+0x449/0x710 [ 3372.051220][ T74] netlink_sendmsg+0x723/0xbe0 [ 3372.051220][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3372.051220][ T74] ___sys_sendmsg+0xee/0x170 [ 3372.051220][ T74] __sys_sendmsg+0xcd/0x170 [ 3372.051220][ T74] do_syscall_64+0xc6/0x1e0 [ 3372.051220][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3372.051220][ T74] [ 3372.053098][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3372.053347][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3372.053347][ T74] netdev_get_by_index+0x5e/0x80 [ 3372.053347][ T74] fib6_nh_init+0x3d8/0x1580 [ 3372.053347][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3372.053347][ T74] ip6_route_add+0x1c/0x140 [ 3372.053347][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3372.053347][ T74] inet6_addr_add+0x4f8/0xa40 [ 3372.053347][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3372.053347][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3372.053347][ T74] netlink_rcv_skb+0x130/0x360 [ 3372.053347][ T74] netlink_unicast+0x449/0x710 [ 3372.053347][ T74] netlink_sendmsg+0x723/0xbe0 [ 3372.053347][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3372.053347][ T74] ___sys_sendmsg+0xee/0x170 [ 3372.053347][ T74] __sys_sendmsg+0xcd/0x170 [ 3372.053347][ T74] do_syscall_64+0xc6/0x1e0 [ 3372.053347][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3372.053347][ T74] [ 3372.055623][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3372.055623][ T74] netdev_get_by_index+0x5e/0x80 [ 3372.055623][ T74] fib6_nh_init+0x3d8/0x1580 [ 3372.055623][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3372.055623][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3372.055623][ T74] ipv6_add_addr+0x411/0x2000 [ 3372.055623][ T74] inet6_addr_add+0x30e/0xa40 [ 3372.055623][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3372.055623][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3372.055623][ T74] netlink_rcv_skb+0x130/0x360 [ 3372.055623][ T74] netlink_unicast+0x449/0x710 [ 3372.055623][ T74] netlink_sendmsg+0x723/0xbe0 [ 3372.055623][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3372.055623][ T74] ___sys_sendmsg+0xee/0x170 [ 3372.055623][ T74] __sys_sendmsg+0xcd/0x170 [ 3372.055623][ T74] do_syscall_64+0xc6/0x1e0 [ 3372.055623][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3372.055623][ T74] [ 3372.057777][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3372.057777][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3372.057777][ T74] ipv6_find_idev+0x102/0x170 [ 3372.057777][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3372.057777][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3372.057777][ T74] netlink_rcv_skb+0x130/0x360 [ 3372.057777][ T74] netlink_unicast+0x449/0x710 [ 3372.057777][ T74] netlink_sendmsg+0x723/0xbe0 [ 3372.057777][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3372.057777][ T74] ___sys_sendmsg+0xee/0x170 [ 3372.057777][ T74] __sys_sendmsg+0xcd/0x170 [ 3372.057777][ T74] do_syscall_64+0xc6/0x1e0 [ 3372.057777][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3372.057777][ T74] [ 3372.059395][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3372.059395][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3372.059395][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3372.059395][ T74] ipv6_find_idev+0x102/0x170 [ 3372.059395][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3372.059395][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3372.059395][ T74] netlink_rcv_skb+0x130/0x360 [ 3372.059395][ T74] netlink_unicast+0x449/0x710 [ 3372.059395][ T74] netlink_sendmsg+0x723/0xbe0 [ 3372.059395][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3372.059395][ T74] ___sys_sendmsg+0xee/0x170 [ 3372.059395][ T74] __sys_sendmsg+0xcd/0x170 [ 3372.059395][ T74] do_syscall_64+0xc6/0x1e0 [ 3372.059395][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3372.059395][ T74] [ 3382.303935][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3382.304376][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3382.304376][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3382.304376][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3382.304376][ T74] fib6_nh_init+0xa22/0x1580 [ 3382.304376][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3382.304376][ T74] ip6_route_add+0x1c/0x140 [ 3382.304376][ T74] inet6_rtm_newroute+0x104/0x110 [ 3382.304376][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3382.304376][ T74] netlink_rcv_skb+0x130/0x360 [ 3382.304376][ T74] netlink_unicast+0x449/0x710 [ 3382.304376][ T74] netlink_sendmsg+0x723/0xbe0 [ 3382.304376][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3382.304376][ T74] ___sys_sendmsg+0xee/0x170 [ 3382.304376][ T74] __sys_sendmsg+0xcd/0x170 [ 3382.304376][ T74] do_syscall_64+0xc6/0x1e0 [ 3382.304376][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3382.304376][ T74] [ 3382.306267][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3382.306267][ T74] netdev_get_by_index+0x5e/0x80 [ 3382.306267][ T74] fib6_nh_init+0x3d8/0x1580 [ 3382.306267][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3382.306267][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3382.306267][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3382.306267][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3382.306267][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3382.306267][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3382.306267][ T74] addrconf_dad_begin+0x310/0x670 [ 3382.306267][ T74] addrconf_dad_work+0x10b/0xab0 [ 3382.306267][ T74] process_one_work+0x84d/0x18a0 [ 3382.306267][ T74] worker_thread+0x587/0xd30 [ 3382.306267][ T74] kthread+0x28a/0x350 [ 3382.306267][ T74] ret_from_fork+0x31/0x70 [ 3382.306267][ T74] ret_from_fork_asm+0x1a/0x30 [ 3382.306267][ T74] [ 3382.308207][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3382.308207][ T74] netdev_get_by_index+0x5e/0x80 [ 3382.308207][ T74] fib6_nh_init+0x3d8/0x1580 [ 3382.308207][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3382.308207][ T74] ip6_route_add+0x1c/0x140 [ 3382.308207][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3382.308207][ T74] inet6_addr_add+0x4f8/0xa40 [ 3382.308207][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3382.308207][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3382.308207][ T74] netlink_rcv_skb+0x130/0x360 [ 3382.308207][ T74] netlink_unicast+0x449/0x710 [ 3382.308207][ T74] netlink_sendmsg+0x723/0xbe0 [ 3382.308207][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3382.308207][ T74] ___sys_sendmsg+0xee/0x170 [ 3382.308207][ T74] __sys_sendmsg+0xcd/0x170 [ 3382.308207][ T74] do_syscall_64+0xc6/0x1e0 [ 3382.308207][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3382.308207][ T74] [ 3382.310212][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3382.310212][ T74] netdev_get_by_index+0x5e/0x80 [ 3382.310212][ T74] fib6_nh_init+0x3d8/0x1580 [ 3382.310212][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3382.310212][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3382.310212][ T74] ipv6_add_addr+0x411/0x2000 [ 3382.310212][ T74] inet6_addr_add+0x30e/0xa40 [ 3382.310212][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3382.310212][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3382.310212][ T74] netlink_rcv_skb+0x130/0x360 [ 3382.310212][ T74] netlink_unicast+0x449/0x710 [ 3382.310212][ T74] netlink_sendmsg+0x723/0xbe0 [ 3382.310212][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3382.310212][ T74] ___sys_sendmsg+0xee/0x170 [ 3382.310212][ T74] __sys_sendmsg+0xcd/0x170 [ 3382.310212][ T74] do_syscall_64+0xc6/0x1e0 [ 3382.310212][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3382.310212][ T74] [ 3382.312218][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3382.312218][ T74] netdev_get_by_index+0x5e/0x80 [ 3382.312218][ T74] fib6_nh_init+0x3d8/0x1580 [ 3382.312218][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3382.312218][ T74] ip6_route_add+0x1c/0x140 [ 3382.312218][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3382.312218][ T74] addrconf_add_dev+0xe2/0x170 [ 3382.312218][ T74] inet6_addr_add+0x12f/0xa40 [ 3382.312218][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3382.312218][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3382.312218][ T74] netlink_rcv_skb+0x130/0x360 [ 3382.312218][ T74] netlink_unicast+0x449/0x710 [ 3382.312218][ T74] netlink_sendmsg+0x723/0xbe0 [ 3382.312218][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3382.312218][ T74] ___sys_sendmsg+0xee/0x170 [ 3382.312218][ T74] __sys_sendmsg+0xcd/0x170 [ 3382.312218][ T74] do_syscall_64+0xc6/0x1e0 [ 3382.312218][ T74] [ 3382.314206][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3382.314206][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3382.314206][ T74] ipv6_find_idev+0x102/0x170 [ 3382.314206][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3382.314206][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3382.314206][ T74] netlink_rcv_skb+0x130/0x360 [ 3382.314206][ T74] netlink_unicast+0x449/0x710 [ 3382.314206][ T74] netlink_sendmsg+0x723/0xbe0 [ 3382.314206][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3382.314206][ T74] ___sys_sendmsg+0xee/0x170 [ 3382.314206][ T74] __sys_sendmsg+0xcd/0x170 [ 3382.314206][ T74] do_syscall_64+0xc6/0x1e0 [ 3382.314206][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3382.314206][ T74] [ 3382.315750][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3382.315750][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3382.315750][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3382.315750][ T74] ipv6_find_idev+0x102/0x170 [ 3382.315750][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3382.315750][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3382.315750][ T74] netlink_rcv_skb+0x130/0x360 [ 3382.315750][ T74] netlink_unicast+0x449/0x710 [ 3382.315750][ T74] netlink_sendmsg+0x723/0xbe0 [ 3382.315750][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3382.315750][ T74] ___sys_sendmsg+0xee/0x170 [ 3382.315750][ T74] __sys_sendmsg+0xcd/0x170 [ 3382.315750][ T74] do_syscall_64+0xc6/0x1e0 [ 3382.315750][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3382.315750][ T74] [ 3382.317450][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3382.317726][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3382.317726][ T74] dst_init+0x84/0x4a0 [ 3382.317726][ T74] dst_alloc+0x97/0x150 [ 3382.317726][ T74] ip6_dst_alloc+0x23/0x90 [ 3382.317726][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3382.317726][ T74] ip6_pol_route+0x56f/0x840 [ 3382.317726][ T74] fib6_rule_lookup+0x456/0x630 [ 3382.317726][ T74] ip6_route_input+0x59c/0xa50 [ 3382.317726][ T74] ipv6_rcv+0x397/0x810 [ 3382.317726][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3382.317726][ T74] process_backlog+0x101/0x620 [ 3382.317726][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3382.317726][ T74] net_rx_action+0x495/0xbe0 [ 3382.317726][ T74] __do_softirq+0x1b5/0x7f6 [ 3382.317726][ T74] [ 3382.319367][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3382.319367][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3382.319367][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3382.319367][ T74] fib6_nh_init+0xa22/0x1580 [ 3382.319367][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3382.319367][ T74] ip6_route_add+0x1c/0x140 [ 3382.319367][ T74] inet6_rtm_newroute+0x104/0x110 [ 3382.319367][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3382.319367][ T74] netlink_rcv_skb+0x130/0x360 [ 3382.319367][ T74] netlink_unicast+0x449/0x710 [ 3382.319367][ T74] netlink_sendmsg+0x723/0xbe0 [ 3382.319367][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3382.319367][ T74] ___sys_sendmsg+0xee/0x170 [ 3382.319367][ T74] __sys_sendmsg+0xcd/0x170 [ 3382.319367][ T74] do_syscall_64+0xc6/0x1e0 [ 3382.319367][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3382.319367][ T74] [ 3382.321259][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3382.321259][ T74] netdev_get_by_index+0x5e/0x80 [ 3382.321259][ T74] fib6_nh_init+0x3d8/0x1580 [ 3382.321259][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3382.321259][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3382.321259][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3382.321259][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3382.321259][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3382.321259][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3382.321259][ T74] addrconf_dad_begin+0x310/0x670 [ 3382.321259][ T74] addrconf_dad_work+0x10b/0xab0 [ 3382.321259][ T74] process_one_work+0x84d/0x18a0 [ 3382.321259][ T74] worker_thread+0x587/0xd30 [ 3382.321259][ T74] kthread+0x28a/0x350 [ 3382.321259][ T74] ret_from_fork+0x31/0x70 [ 3382.321259][ T74] ret_from_fork_asm+0x1a/0x30 [ 3382.321259][ T74] [ 3382.323178][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3382.323178][ T74] netdev_get_by_index+0x5e/0x80 [ 3382.323178][ T74] fib6_nh_init+0x3d8/0x1580 [ 3382.323178][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3382.323178][ T74] ip6_route_add+0x1c/0x140 [ 3382.323178][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3382.323178][ T74] inet6_addr_add+0x4f8/0xa40 [ 3382.323178][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3382.323178][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3382.323178][ T74] netlink_rcv_skb+0x130/0x360 [ 3382.323178][ T74] netlink_unicast+0x449/0x710 [ 3382.323178][ T74] netlink_sendmsg+0x723/0xbe0 [ 3382.323178][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3382.323178][ T74] ___sys_sendmsg+0xee/0x170 [ 3382.323178][ T74] __sys_sendmsg+0xcd/0x170 [ 3382.323178][ T74] do_syscall_64+0xc6/0x1e0 [ 3382.323178][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3382.323178][ T74] [ 3382.325190][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3382.325190][ T74] netdev_get_by_index+0x5e/0x80 [ 3382.325190][ T74] fib6_nh_init+0x3d8/0x1580 [ 3382.325190][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3382.325190][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3382.325190][ T74] ipv6_add_addr+0x411/0x2000 [ 3382.325190][ T74] inet6_addr_add+0x30e/0xa40 [ 3382.325190][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3382.325190][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3382.325190][ T74] netlink_rcv_skb+0x130/0x360 [ 3382.325190][ T74] netlink_unicast+0x449/0x710 [ 3382.325190][ T74] netlink_sendmsg+0x723/0xbe0 [ 3382.325190][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3382.325190][ T74] ___sys_sendmsg+0xee/0x170 [ 3382.325190][ T74] __sys_sendmsg+0xcd/0x170 [ 3382.325190][ T74] do_syscall_64+0xc6/0x1e0 [ 3382.325190][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3382.325190][ T74] [ 3382.327201][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3382.327201][ T74] netdev_get_by_index+0x5e/0x80 [ 3382.327201][ T74] fib6_nh_init+0x3d8/0x1580 [ 3382.327201][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3382.327201][ T74] ip6_route_add+0x1c/0x140 [ 3382.327201][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3382.327201][ T74] addrconf_add_dev+0xe2/0x170 [ 3382.327201][ T74] inet6_addr_add+0x12f/0xa40 [ 3382.327201][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3382.327201][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3382.327201][ T74] netlink_rcv_skb+0x130/0x360 [ 3382.327201][ T74] netlink_unicast+0x449/0x710 [ 3382.327201][ T74] netlink_sendmsg+0x723/0xbe0 [ 3382.327201][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3382.327201][ T74] ___sys_sendmsg+0xee/0x170 [ 3382.327201][ T74] __sys_sendmsg+0xcd/0x170 [ 3382.327201][ T74] do_syscall_64+0xc6/0x1e0 [ 3382.327201][ T74] [ 3382.329166][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3382.329166][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3382.329166][ T74] ipv6_find_idev+0x102/0x170 [ 3382.329166][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3382.329166][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3382.329166][ T74] netlink_rcv_skb+0x130/0x360 [ 3382.329166][ T74] netlink_unicast+0x449/0x710 [ 3382.329166][ T74] netlink_sendmsg+0x723/0xbe0 [ 3382.329166][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3382.329166][ T74] ___sys_sendmsg+0xee/0x170 [ 3382.329166][ T74] __sys_sendmsg+0xcd/0x170 [ 3382.329166][ T74] do_syscall_64+0xc6/0x1e0 [ 3382.329166][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3382.329166][ T74] [ 3382.330837][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3382.330837][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3382.330837][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3382.330837][ T74] ipv6_find_idev+0x102/0x170 [ 3382.330837][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3382.330837][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3382.330837][ T74] netlink_rcv_skb+0x130/0x360 [ 3382.330837][ T74] netlink_unicast+0x449/0x710 [ 3382.330837][ T74] netlink_sendmsg+0x723/0xbe0 [ 3382.330837][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3382.330837][ T74] ___sys_sendmsg+0xee/0x170 [ 3382.330837][ T74] __sys_sendmsg+0xcd/0x170 [ 3382.330837][ T74] do_syscall_64+0xc6/0x1e0 [ 3382.330837][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3382.330837][ T74] [ 3382.332781][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3382.333077][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3382.333077][ T74] netdev_get_by_index+0x5e/0x80 [ 3382.333077][ T74] fib6_nh_init+0x3d8/0x1580 [ 3382.333077][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3382.333077][ T74] ip6_route_add+0x1c/0x140 [ 3382.333077][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3382.333077][ T74] inet6_addr_add+0x4f8/0xa40 [ 3382.333077][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3382.333077][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3382.333077][ T74] netlink_rcv_skb+0x130/0x360 [ 3382.333077][ T74] netlink_unicast+0x449/0x710 [ 3382.333077][ T74] netlink_sendmsg+0x723/0xbe0 [ 3382.333077][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3382.333077][ T74] ___sys_sendmsg+0xee/0x170 [ 3382.333077][ T74] __sys_sendmsg+0xcd/0x170 [ 3382.333077][ T74] do_syscall_64+0xc6/0x1e0 [ 3382.333077][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3382.333077][ T74] [ 3382.335386][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3382.335386][ T74] netdev_get_by_index+0x5e/0x80 [ 3382.335386][ T74] fib6_nh_init+0x3d8/0x1580 [ 3382.335386][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3382.335386][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3382.335386][ T74] ipv6_add_addr+0x411/0x2000 [ 3382.335386][ T74] inet6_addr_add+0x30e/0xa40 [ 3382.335386][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3382.335386][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3382.335386][ T74] netlink_rcv_skb+0x130/0x360 [ 3382.335386][ T74] netlink_unicast+0x449/0x710 [ 3382.335386][ T74] netlink_sendmsg+0x723/0xbe0 [ 3382.335386][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3382.335386][ T74] ___sys_sendmsg+0xee/0x170 [ 3382.335386][ T74] __sys_sendmsg+0xcd/0x170 [ 3382.335386][ T74] do_syscall_64+0xc6/0x1e0 [ 3382.335386][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3382.335386][ T74] [ 3382.337563][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3382.337563][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3382.337563][ T74] ipv6_find_idev+0x102/0x170 [ 3382.337563][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3382.337563][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3382.337563][ T74] netlink_rcv_skb+0x130/0x360 [ 3382.337563][ T74] netlink_unicast+0x449/0x710 [ 3382.337563][ T74] netlink_sendmsg+0x723/0xbe0 [ 3382.337563][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3382.337563][ T74] ___sys_sendmsg+0xee/0x170 [ 3382.337563][ T74] __sys_sendmsg+0xcd/0x170 [ 3382.337563][ T74] do_syscall_64+0xc6/0x1e0 [ 3382.337563][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3382.337563][ T74] [ 3382.339223][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3382.339223][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3382.339223][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3382.339223][ T74] ipv6_find_idev+0x102/0x170 [ 3382.339223][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3382.339223][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3382.339223][ T74] netlink_rcv_skb+0x130/0x360 [ 3382.339223][ T74] netlink_unicast+0x449/0x710 [ 3382.339223][ T74] netlink_sendmsg+0x723/0xbe0 [ 3382.339223][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3382.339223][ T74] ___sys_sendmsg+0xee/0x170 [ 3382.339223][ T74] __sys_sendmsg+0xcd/0x170 [ 3382.339223][ T74] do_syscall_64+0xc6/0x1e0 [ 3382.339223][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3382.339223][ T74] [ 3392.377483][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3392.377905][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3392.377905][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3392.377905][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3392.377905][ T74] fib6_nh_init+0xa22/0x1580 [ 3392.377905][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3392.377905][ T74] ip6_route_add+0x1c/0x140 [ 3392.377905][ T74] inet6_rtm_newroute+0x104/0x110 [ 3392.377905][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3392.377905][ T74] netlink_rcv_skb+0x130/0x360 [ 3392.377905][ T74] netlink_unicast+0x449/0x710 [ 3392.377905][ T74] netlink_sendmsg+0x723/0xbe0 [ 3392.377905][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3392.377905][ T74] ___sys_sendmsg+0xee/0x170 [ 3392.377905][ T74] __sys_sendmsg+0xcd/0x170 [ 3392.377905][ T74] do_syscall_64+0xc6/0x1e0 [ 3392.377905][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3392.377905][ T74] [ 3392.379849][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3392.379849][ T74] netdev_get_by_index+0x5e/0x80 [ 3392.379849][ T74] fib6_nh_init+0x3d8/0x1580 [ 3392.379849][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3392.379849][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3392.379849][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3392.379849][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3392.379849][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3392.379849][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3392.379849][ T74] addrconf_dad_begin+0x310/0x670 [ 3392.379849][ T74] addrconf_dad_work+0x10b/0xab0 [ 3392.379849][ T74] process_one_work+0x84d/0x18a0 [ 3392.379849][ T74] worker_thread+0x587/0xd30 [ 3392.379849][ T74] kthread+0x28a/0x350 [ 3392.379849][ T74] ret_from_fork+0x31/0x70 [ 3392.379849][ T74] ret_from_fork_asm+0x1a/0x30 [ 3392.379849][ T74] [ 3392.381807][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3392.381807][ T74] netdev_get_by_index+0x5e/0x80 [ 3392.381807][ T74] fib6_nh_init+0x3d8/0x1580 [ 3392.381807][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3392.381807][ T74] ip6_route_add+0x1c/0x140 [ 3392.381807][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3392.381807][ T74] inet6_addr_add+0x4f8/0xa40 [ 3392.381807][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3392.381807][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3392.381807][ T74] netlink_rcv_skb+0x130/0x360 [ 3392.381807][ T74] netlink_unicast+0x449/0x710 [ 3392.381807][ T74] netlink_sendmsg+0x723/0xbe0 [ 3392.381807][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3392.381807][ T74] ___sys_sendmsg+0xee/0x170 [ 3392.381807][ T74] __sys_sendmsg+0xcd/0x170 [ 3392.381807][ T74] do_syscall_64+0xc6/0x1e0 [ 3392.381807][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3392.381807][ T74] [ 3392.383831][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3392.383831][ T74] netdev_get_by_index+0x5e/0x80 [ 3392.383831][ T74] fib6_nh_init+0x3d8/0x1580 [ 3392.383831][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3392.383831][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3392.383831][ T74] ipv6_add_addr+0x411/0x2000 [ 3392.383831][ T74] inet6_addr_add+0x30e/0xa40 [ 3392.383831][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3392.383831][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3392.383831][ T74] netlink_rcv_skb+0x130/0x360 [ 3392.383831][ T74] netlink_unicast+0x449/0x710 [ 3392.383831][ T74] netlink_sendmsg+0x723/0xbe0 [ 3392.383831][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3392.383831][ T74] ___sys_sendmsg+0xee/0x170 [ 3392.383831][ T74] __sys_sendmsg+0xcd/0x170 [ 3392.383831][ T74] do_syscall_64+0xc6/0x1e0 [ 3392.383831][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3392.383831][ T74] [ 3392.385843][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3392.385843][ T74] netdev_get_by_index+0x5e/0x80 [ 3392.385843][ T74] fib6_nh_init+0x3d8/0x1580 [ 3392.385843][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3392.385843][ T74] ip6_route_add+0x1c/0x140 [ 3392.385843][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3392.385843][ T74] addrconf_add_dev+0xe2/0x170 [ 3392.385843][ T74] inet6_addr_add+0x12f/0xa40 [ 3392.385843][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3392.385843][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3392.385843][ T74] netlink_rcv_skb+0x130/0x360 [ 3392.385843][ T74] netlink_unicast+0x449/0x710 [ 3392.385843][ T74] netlink_sendmsg+0x723/0xbe0 [ 3392.385843][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3392.385843][ T74] ___sys_sendmsg+0xee/0x170 [ 3392.385843][ T74] __sys_sendmsg+0xcd/0x170 [ 3392.385843][ T74] do_syscall_64+0xc6/0x1e0 [ 3392.385843][ T74] [ 3392.387826][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3392.387826][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3392.387826][ T74] ipv6_find_idev+0x102/0x170 [ 3392.387826][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3392.387826][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3392.387826][ T74] netlink_rcv_skb+0x130/0x360 [ 3392.387826][ T74] netlink_unicast+0x449/0x710 [ 3392.387826][ T74] netlink_sendmsg+0x723/0xbe0 [ 3392.387826][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3392.387826][ T74] ___sys_sendmsg+0xee/0x170 [ 3392.387826][ T74] __sys_sendmsg+0xcd/0x170 [ 3392.387826][ T74] do_syscall_64+0xc6/0x1e0 [ 3392.387826][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3392.387826][ T74] [ 3392.389376][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3392.389376][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3392.389376][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3392.389376][ T74] ipv6_find_idev+0x102/0x170 [ 3392.389376][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3392.389376][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3392.389376][ T74] netlink_rcv_skb+0x130/0x360 [ 3392.389376][ T74] netlink_unicast+0x449/0x710 [ 3392.389376][ T74] netlink_sendmsg+0x723/0xbe0 [ 3392.389376][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3392.389376][ T74] ___sys_sendmsg+0xee/0x170 [ 3392.389376][ T74] __sys_sendmsg+0xcd/0x170 [ 3392.389376][ T74] do_syscall_64+0xc6/0x1e0 [ 3392.389376][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3392.389376][ T74] [ 3392.391079][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3392.391356][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3392.391356][ T74] dst_init+0x84/0x4a0 [ 3392.391356][ T74] dst_alloc+0x97/0x150 [ 3392.391356][ T74] ip6_dst_alloc+0x23/0x90 [ 3392.391356][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3392.391356][ T74] ip6_pol_route+0x56f/0x840 [ 3392.391356][ T74] fib6_rule_lookup+0x456/0x630 [ 3392.391356][ T74] ip6_route_input+0x59c/0xa50 [ 3392.391356][ T74] ipv6_rcv+0x397/0x810 [ 3392.391356][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3392.391356][ T74] process_backlog+0x101/0x620 [ 3392.391356][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3392.391356][ T74] net_rx_action+0x495/0xbe0 [ 3392.391356][ T74] __do_softirq+0x1b5/0x7f6 [ 3392.391356][ T74] [ 3392.393015][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3392.393015][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3392.393015][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3392.393015][ T74] fib6_nh_init+0xa22/0x1580 [ 3392.393015][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3392.393015][ T74] ip6_route_add+0x1c/0x140 [ 3392.393015][ T74] inet6_rtm_newroute+0x104/0x110 [ 3392.393015][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3392.393015][ T74] netlink_rcv_skb+0x130/0x360 [ 3392.393015][ T74] netlink_unicast+0x449/0x710 [ 3392.393015][ T74] netlink_sendmsg+0x723/0xbe0 [ 3392.393015][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3392.393015][ T74] ___sys_sendmsg+0xee/0x170 [ 3392.393015][ T74] __sys_sendmsg+0xcd/0x170 [ 3392.393015][ T74] do_syscall_64+0xc6/0x1e0 [ 3392.393015][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3392.393015][ T74] [ 3392.394920][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3392.394920][ T74] netdev_get_by_index+0x5e/0x80 [ 3392.394920][ T74] fib6_nh_init+0x3d8/0x1580 [ 3392.394920][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3392.394920][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3392.394920][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3392.394920][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3392.394920][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3392.394920][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3392.394920][ T74] addrconf_dad_begin+0x310/0x670 [ 3392.394920][ T74] addrconf_dad_work+0x10b/0xab0 [ 3392.394920][ T74] process_one_work+0x84d/0x18a0 [ 3392.394920][ T74] worker_thread+0x587/0xd30 [ 3392.394920][ T74] kthread+0x28a/0x350 [ 3392.394920][ T74] ret_from_fork+0x31/0x70 [ 3392.394920][ T74] ret_from_fork_asm+0x1a/0x30 [ 3392.394920][ T74] [ 3392.396836][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3392.396836][ T74] netdev_get_by_index+0x5e/0x80 [ 3392.396836][ T74] fib6_nh_init+0x3d8/0x1580 [ 3392.396836][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3392.396836][ T74] ip6_route_add+0x1c/0x140 [ 3392.396836][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3392.396836][ T74] inet6_addr_add+0x4f8/0xa40 [ 3392.396836][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3392.396836][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3392.396836][ T74] netlink_rcv_skb+0x130/0x360 [ 3392.396836][ T74] netlink_unicast+0x449/0x710 [ 3392.396836][ T74] netlink_sendmsg+0x723/0xbe0 [ 3392.396836][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3392.396836][ T74] ___sys_sendmsg+0xee/0x170 [ 3392.396836][ T74] __sys_sendmsg+0xcd/0x170 [ 3392.396836][ T74] do_syscall_64+0xc6/0x1e0 [ 3392.396836][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3392.396836][ T74] [ 3392.398855][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3392.398855][ T74] netdev_get_by_index+0x5e/0x80 [ 3392.398855][ T74] fib6_nh_init+0x3d8/0x1580 [ 3392.398855][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3392.398855][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3392.398855][ T74] ipv6_add_addr+0x411/0x2000 [ 3392.398855][ T74] inet6_addr_add+0x30e/0xa40 [ 3392.398855][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3392.398855][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3392.398855][ T74] netlink_rcv_skb+0x130/0x360 [ 3392.398855][ T74] netlink_unicast+0x449/0x710 [ 3392.398855][ T74] netlink_sendmsg+0x723/0xbe0 [ 3392.398855][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3392.398855][ T74] ___sys_sendmsg+0xee/0x170 [ 3392.398855][ T74] __sys_sendmsg+0xcd/0x170 [ 3392.398855][ T74] do_syscall_64+0xc6/0x1e0 [ 3392.398855][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3392.398855][ T74] [ 3392.400869][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3392.400869][ T74] netdev_get_by_index+0x5e/0x80 [ 3392.400869][ T74] fib6_nh_init+0x3d8/0x1580 [ 3392.400869][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3392.400869][ T74] ip6_route_add+0x1c/0x140 [ 3392.400869][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3392.400869][ T74] addrconf_add_dev+0xe2/0x170 [ 3392.400869][ T74] inet6_addr_add+0x12f/0xa40 [ 3392.400869][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3392.400869][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3392.400869][ T74] netlink_rcv_skb+0x130/0x360 [ 3392.400869][ T74] netlink_unicast+0x449/0x710 [ 3392.400869][ T74] netlink_sendmsg+0x723/0xbe0 [ 3392.400869][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3392.400869][ T74] ___sys_sendmsg+0xee/0x170 [ 3392.400869][ T74] __sys_sendmsg+0xcd/0x170 [ 3392.400869][ T74] do_syscall_64+0xc6/0x1e0 [ 3392.400869][ T74] [ 3392.402857][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3392.402857][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3392.402857][ T74] ipv6_find_idev+0x102/0x170 [ 3392.402857][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3392.402857][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3392.402857][ T74] netlink_rcv_skb+0x130/0x360 [ 3392.402857][ T74] netlink_unicast+0x449/0x710 [ 3392.402857][ T74] netlink_sendmsg+0x723/0xbe0 [ 3392.402857][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3392.402857][ T74] ___sys_sendmsg+0xee/0x170 [ 3392.402857][ T74] __sys_sendmsg+0xcd/0x170 [ 3392.402857][ T74] do_syscall_64+0xc6/0x1e0 [ 3392.402857][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3392.402857][ T74] [ 3392.404522][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3392.404522][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3392.404522][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3392.404522][ T74] ipv6_find_idev+0x102/0x170 [ 3392.404522][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3392.404522][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3392.404522][ T74] netlink_rcv_skb+0x130/0x360 [ 3392.404522][ T74] netlink_unicast+0x449/0x710 [ 3392.404522][ T74] netlink_sendmsg+0x723/0xbe0 [ 3392.404522][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3392.404522][ T74] ___sys_sendmsg+0xee/0x170 [ 3392.404522][ T74] __sys_sendmsg+0xcd/0x170 [ 3392.404522][ T74] do_syscall_64+0xc6/0x1e0 [ 3392.404522][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3392.404522][ T74] [ 3392.406447][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3392.406701][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3392.406701][ T74] netdev_get_by_index+0x5e/0x80 [ 3392.406701][ T74] fib6_nh_init+0x3d8/0x1580 [ 3392.406701][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3392.406701][ T74] ip6_route_add+0x1c/0x140 [ 3392.406701][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3392.406701][ T74] inet6_addr_add+0x4f8/0xa40 [ 3392.406701][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3392.406701][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3392.406701][ T74] netlink_rcv_skb+0x130/0x360 [ 3392.406701][ T74] netlink_unicast+0x449/0x710 [ 3392.406701][ T74] netlink_sendmsg+0x723/0xbe0 [ 3392.406701][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3392.406701][ T74] ___sys_sendmsg+0xee/0x170 [ 3392.406701][ T74] __sys_sendmsg+0xcd/0x170 [ 3392.406701][ T74] do_syscall_64+0xc6/0x1e0 [ 3392.406701][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3392.406701][ T74] [ 3392.408951][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3392.408951][ T74] netdev_get_by_index+0x5e/0x80 [ 3392.408951][ T74] fib6_nh_init+0x3d8/0x1580 [ 3392.408951][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3392.408951][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3392.408951][ T74] ipv6_add_addr+0x411/0x2000 [ 3392.408951][ T74] inet6_addr_add+0x30e/0xa40 [ 3392.408951][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3392.408951][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3392.408951][ T74] netlink_rcv_skb+0x130/0x360 [ 3392.408951][ T74] netlink_unicast+0x449/0x710 [ 3392.408951][ T74] netlink_sendmsg+0x723/0xbe0 [ 3392.408951][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3392.408951][ T74] ___sys_sendmsg+0xee/0x170 [ 3392.408951][ T74] __sys_sendmsg+0xcd/0x170 [ 3392.408951][ T74] do_syscall_64+0xc6/0x1e0 [ 3392.408951][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3392.408951][ T74] [ 3392.411191][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3392.411191][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3392.411191][ T74] ipv6_find_idev+0x102/0x170 [ 3392.411191][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3392.411191][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3392.411191][ T74] netlink_rcv_skb+0x130/0x360 [ 3392.411191][ T74] netlink_unicast+0x449/0x710 [ 3392.411191][ T74] netlink_sendmsg+0x723/0xbe0 [ 3392.411191][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3392.411191][ T74] ___sys_sendmsg+0xee/0x170 [ 3392.411191][ T74] __sys_sendmsg+0xcd/0x170 [ 3392.411191][ T74] do_syscall_64+0xc6/0x1e0 [ 3392.411191][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3392.411191][ T74] [ 3392.412909][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3392.412909][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3392.412909][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3392.412909][ T74] ipv6_find_idev+0x102/0x170 [ 3392.412909][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3392.412909][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3392.412909][ T74] netlink_rcv_skb+0x130/0x360 [ 3392.412909][ T74] netlink_unicast+0x449/0x710 [ 3392.412909][ T74] netlink_sendmsg+0x723/0xbe0 [ 3392.412909][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3392.412909][ T74] ___sys_sendmsg+0xee/0x170 [ 3392.412909][ T74] __sys_sendmsg+0xcd/0x170 [ 3392.412909][ T74] do_syscall_64+0xc6/0x1e0 [ 3392.412909][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3392.412909][ T74] [ 3402.641514][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3402.641981][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3402.641981][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3402.641981][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3402.641981][ T74] fib6_nh_init+0xa22/0x1580 [ 3402.641981][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3402.641981][ T74] ip6_route_add+0x1c/0x140 [ 3402.641981][ T74] inet6_rtm_newroute+0x104/0x110 [ 3402.641981][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3402.641981][ T74] netlink_rcv_skb+0x130/0x360 [ 3402.641981][ T74] netlink_unicast+0x449/0x710 [ 3402.641981][ T74] netlink_sendmsg+0x723/0xbe0 [ 3402.641981][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3402.641981][ T74] ___sys_sendmsg+0xee/0x170 [ 3402.641981][ T74] __sys_sendmsg+0xcd/0x170 [ 3402.641981][ T74] do_syscall_64+0xc6/0x1e0 [ 3402.641981][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3402.641981][ T74] [ 3402.643912][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3402.643912][ T74] netdev_get_by_index+0x5e/0x80 [ 3402.643912][ T74] fib6_nh_init+0x3d8/0x1580 [ 3402.643912][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3402.643912][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3402.643912][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3402.643912][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3402.643912][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3402.643912][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3402.643912][ T74] addrconf_dad_begin+0x310/0x670 [ 3402.643912][ T74] addrconf_dad_work+0x10b/0xab0 [ 3402.643912][ T74] process_one_work+0x84d/0x18a0 [ 3402.643912][ T74] worker_thread+0x587/0xd30 [ 3402.643912][ T74] kthread+0x28a/0x350 [ 3402.643912][ T74] ret_from_fork+0x31/0x70 [ 3402.643912][ T74] ret_from_fork_asm+0x1a/0x30 [ 3402.643912][ T74] [ 3402.645814][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3402.645814][ T74] netdev_get_by_index+0x5e/0x80 [ 3402.645814][ T74] fib6_nh_init+0x3d8/0x1580 [ 3402.645814][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3402.645814][ T74] ip6_route_add+0x1c/0x140 [ 3402.645814][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3402.645814][ T74] inet6_addr_add+0x4f8/0xa40 [ 3402.645814][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3402.645814][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3402.645814][ T74] netlink_rcv_skb+0x130/0x360 [ 3402.645814][ T74] netlink_unicast+0x449/0x710 [ 3402.645814][ T74] netlink_sendmsg+0x723/0xbe0 [ 3402.645814][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3402.645814][ T74] ___sys_sendmsg+0xee/0x170 [ 3402.645814][ T74] __sys_sendmsg+0xcd/0x170 [ 3402.645814][ T74] do_syscall_64+0xc6/0x1e0 [ 3402.645814][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3402.645814][ T74] [ 3402.647817][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3402.647817][ T74] netdev_get_by_index+0x5e/0x80 [ 3402.647817][ T74] fib6_nh_init+0x3d8/0x1580 [ 3402.647817][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3402.647817][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3402.647817][ T74] ipv6_add_addr+0x411/0x2000 [ 3402.647817][ T74] inet6_addr_add+0x30e/0xa40 [ 3402.647817][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3402.647817][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3402.647817][ T74] netlink_rcv_skb+0x130/0x360 [ 3402.647817][ T74] netlink_unicast+0x449/0x710 [ 3402.647817][ T74] netlink_sendmsg+0x723/0xbe0 [ 3402.647817][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3402.647817][ T74] ___sys_sendmsg+0xee/0x170 [ 3402.647817][ T74] __sys_sendmsg+0xcd/0x170 [ 3402.647817][ T74] do_syscall_64+0xc6/0x1e0 [ 3402.647817][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3402.647817][ T74] [ 3402.649804][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3402.649804][ T74] netdev_get_by_index+0x5e/0x80 [ 3402.649804][ T74] fib6_nh_init+0x3d8/0x1580 [ 3402.649804][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3402.649804][ T74] ip6_route_add+0x1c/0x140 [ 3402.649804][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3402.649804][ T74] addrconf_add_dev+0xe2/0x170 [ 3402.649804][ T74] inet6_addr_add+0x12f/0xa40 [ 3402.649804][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3402.649804][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3402.649804][ T74] netlink_rcv_skb+0x130/0x360 [ 3402.649804][ T74] netlink_unicast+0x449/0x710 [ 3402.649804][ T74] netlink_sendmsg+0x723/0xbe0 [ 3402.649804][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3402.649804][ T74] ___sys_sendmsg+0xee/0x170 [ 3402.649804][ T74] __sys_sendmsg+0xcd/0x170 [ 3402.649804][ T74] do_syscall_64+0xc6/0x1e0 [ 3402.649804][ T74] [ 3402.651764][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3402.651764][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3402.651764][ T74] ipv6_find_idev+0x102/0x170 [ 3402.651764][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3402.651764][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3402.651764][ T74] netlink_rcv_skb+0x130/0x360 [ 3402.651764][ T74] netlink_unicast+0x449/0x710 [ 3402.651764][ T74] netlink_sendmsg+0x723/0xbe0 [ 3402.651764][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3402.651764][ T74] ___sys_sendmsg+0xee/0x170 [ 3402.651764][ T74] __sys_sendmsg+0xcd/0x170 [ 3402.651764][ T74] do_syscall_64+0xc6/0x1e0 [ 3402.651764][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3402.651764][ T74] [ 3402.653308][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3402.653308][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3402.653308][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3402.653308][ T74] ipv6_find_idev+0x102/0x170 [ 3402.653308][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3402.653308][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3402.653308][ T74] netlink_rcv_skb+0x130/0x360 [ 3402.653308][ T74] netlink_unicast+0x449/0x710 [ 3402.653308][ T74] netlink_sendmsg+0x723/0xbe0 [ 3402.653308][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3402.653308][ T74] ___sys_sendmsg+0xee/0x170 [ 3402.653308][ T74] __sys_sendmsg+0xcd/0x170 [ 3402.653308][ T74] do_syscall_64+0xc6/0x1e0 [ 3402.653308][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3402.653308][ T74] [ 3402.655002][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3402.655279][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3402.655279][ T74] dst_init+0x84/0x4a0 [ 3402.655279][ T74] dst_alloc+0x97/0x150 [ 3402.655279][ T74] ip6_dst_alloc+0x23/0x90 [ 3402.655279][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3402.655279][ T74] ip6_pol_route+0x56f/0x840 [ 3402.655279][ T74] fib6_rule_lookup+0x456/0x630 [ 3402.655279][ T74] ip6_route_input+0x59c/0xa50 [ 3402.655279][ T74] ipv6_rcv+0x397/0x810 [ 3402.655279][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3402.655279][ T74] process_backlog+0x101/0x620 [ 3402.655279][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3402.655279][ T74] net_rx_action+0x495/0xbe0 [ 3402.655279][ T74] __do_softirq+0x1b5/0x7f6 [ 3402.655279][ T74] [ 3402.656915][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3402.656915][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3402.656915][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3402.656915][ T74] fib6_nh_init+0xa22/0x1580 [ 3402.656915][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3402.656915][ T74] ip6_route_add+0x1c/0x140 [ 3402.656915][ T74] inet6_rtm_newroute+0x104/0x110 [ 3402.656915][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3402.656915][ T74] netlink_rcv_skb+0x130/0x360 [ 3402.656915][ T74] netlink_unicast+0x449/0x710 [ 3402.656915][ T74] netlink_sendmsg+0x723/0xbe0 [ 3402.656915][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3402.656915][ T74] ___sys_sendmsg+0xee/0x170 [ 3402.656915][ T74] __sys_sendmsg+0xcd/0x170 [ 3402.656915][ T74] do_syscall_64+0xc6/0x1e0 [ 3402.656915][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3402.656915][ T74] [ 3402.658784][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3402.658784][ T74] netdev_get_by_index+0x5e/0x80 [ 3402.658784][ T74] fib6_nh_init+0x3d8/0x1580 [ 3402.658784][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3402.658784][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3402.658784][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3402.658784][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3402.658784][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3402.658784][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3402.658784][ T74] addrconf_dad_begin+0x310/0x670 [ 3402.658784][ T74] addrconf_dad_work+0x10b/0xab0 [ 3402.658784][ T74] process_one_work+0x84d/0x18a0 [ 3402.658784][ T74] worker_thread+0x587/0xd30 [ 3402.658784][ T74] kthread+0x28a/0x350 [ 3402.658784][ T74] ret_from_fork+0x31/0x70 [ 3402.658784][ T74] ret_from_fork_asm+0x1a/0x30 [ 3402.658784][ T74] [ 3402.660686][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3402.660686][ T74] netdev_get_by_index+0x5e/0x80 [ 3402.660686][ T74] fib6_nh_init+0x3d8/0x1580 [ 3402.660686][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3402.660686][ T74] ip6_route_add+0x1c/0x140 [ 3402.660686][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3402.660686][ T74] inet6_addr_add+0x4f8/0xa40 [ 3402.660686][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3402.660686][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3402.660686][ T74] netlink_rcv_skb+0x130/0x360 [ 3402.660686][ T74] netlink_unicast+0x449/0x710 [ 3402.660686][ T74] netlink_sendmsg+0x723/0xbe0 [ 3402.660686][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3402.660686][ T74] ___sys_sendmsg+0xee/0x170 [ 3402.660686][ T74] __sys_sendmsg+0xcd/0x170 [ 3402.660686][ T74] do_syscall_64+0xc6/0x1e0 [ 3402.660686][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3402.660686][ T74] [ 3402.662675][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3402.662675][ T74] netdev_get_by_index+0x5e/0x80 [ 3402.662675][ T74] fib6_nh_init+0x3d8/0x1580 [ 3402.662675][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3402.662675][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3402.662675][ T74] ipv6_add_addr+0x411/0x2000 [ 3402.662675][ T74] inet6_addr_add+0x30e/0xa40 [ 3402.662675][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3402.662675][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3402.662675][ T74] netlink_rcv_skb+0x130/0x360 [ 3402.662675][ T74] netlink_unicast+0x449/0x710 [ 3402.662675][ T74] netlink_sendmsg+0x723/0xbe0 [ 3402.662675][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3402.662675][ T74] ___sys_sendmsg+0xee/0x170 [ 3402.662675][ T74] __sys_sendmsg+0xcd/0x170 [ 3402.662675][ T74] do_syscall_64+0xc6/0x1e0 [ 3402.662675][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3402.662675][ T74] [ 3402.664665][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3402.664665][ T74] netdev_get_by_index+0x5e/0x80 [ 3402.664665][ T74] fib6_nh_init+0x3d8/0x1580 [ 3402.664665][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3402.664665][ T74] ip6_route_add+0x1c/0x140 [ 3402.664665][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3402.664665][ T74] addrconf_add_dev+0xe2/0x170 [ 3402.664665][ T74] inet6_addr_add+0x12f/0xa40 [ 3402.664665][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3402.664665][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3402.664665][ T74] netlink_rcv_skb+0x130/0x360 [ 3402.664665][ T74] netlink_unicast+0x449/0x710 [ 3402.664665][ T74] netlink_sendmsg+0x723/0xbe0 [ 3402.664665][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3402.664665][ T74] ___sys_sendmsg+0xee/0x170 [ 3402.664665][ T74] __sys_sendmsg+0xcd/0x170 [ 3402.664665][ T74] do_syscall_64+0xc6/0x1e0 [ 3402.664665][ T74] [ 3402.666635][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3402.666635][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3402.666635][ T74] ipv6_find_idev+0x102/0x170 [ 3402.666635][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3402.666635][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3402.666635][ T74] netlink_rcv_skb+0x130/0x360 [ 3402.666635][ T74] netlink_unicast+0x449/0x710 [ 3402.666635][ T74] netlink_sendmsg+0x723/0xbe0 [ 3402.666635][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3402.666635][ T74] ___sys_sendmsg+0xee/0x170 [ 3402.666635][ T74] __sys_sendmsg+0xcd/0x170 [ 3402.666635][ T74] do_syscall_64+0xc6/0x1e0 [ 3402.666635][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3402.666635][ T74] [ 3402.668269][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3402.668269][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3402.668269][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3402.668269][ T74] ipv6_find_idev+0x102/0x170 [ 3402.668269][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3402.668269][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3402.668269][ T74] netlink_rcv_skb+0x130/0x360 [ 3402.668269][ T74] netlink_unicast+0x449/0x710 [ 3402.668269][ T74] netlink_sendmsg+0x723/0xbe0 [ 3402.668269][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3402.668269][ T74] ___sys_sendmsg+0xee/0x170 [ 3402.668269][ T74] __sys_sendmsg+0xcd/0x170 [ 3402.668269][ T74] do_syscall_64+0xc6/0x1e0 [ 3402.668269][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3402.668269][ T74] [ 3402.670275][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3402.670519][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3402.670519][ T74] netdev_get_by_index+0x5e/0x80 [ 3402.670519][ T74] fib6_nh_init+0x3d8/0x1580 [ 3402.670519][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3402.670519][ T74] ip6_route_add+0x1c/0x140 [ 3402.670519][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3402.670519][ T74] inet6_addr_add+0x4f8/0xa40 [ 3402.670519][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3402.670519][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3402.670519][ T74] netlink_rcv_skb+0x130/0x360 [ 3402.670519][ T74] netlink_unicast+0x449/0x710 [ 3402.670519][ T74] netlink_sendmsg+0x723/0xbe0 [ 3402.670519][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3402.670519][ T74] ___sys_sendmsg+0xee/0x170 [ 3402.670519][ T74] __sys_sendmsg+0xcd/0x170 [ 3402.670519][ T74] do_syscall_64+0xc6/0x1e0 [ 3402.670519][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3402.670519][ T74] [ 3402.672768][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3402.672768][ T74] netdev_get_by_index+0x5e/0x80 [ 3402.672768][ T74] fib6_nh_init+0x3d8/0x1580 [ 3402.672768][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3402.672768][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3402.672768][ T74] ipv6_add_addr+0x411/0x2000 [ 3402.672768][ T74] inet6_addr_add+0x30e/0xa40 [ 3402.672768][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3402.672768][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3402.672768][ T74] netlink_rcv_skb+0x130/0x360 [ 3402.672768][ T74] netlink_unicast+0x449/0x710 [ 3402.672768][ T74] netlink_sendmsg+0x723/0xbe0 [ 3402.672768][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3402.672768][ T74] ___sys_sendmsg+0xee/0x170 [ 3402.672768][ T74] __sys_sendmsg+0xcd/0x170 [ 3402.672768][ T74] do_syscall_64+0xc6/0x1e0 [ 3402.672768][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3402.672768][ T74] [ 3402.675014][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3402.675014][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3402.675014][ T74] ipv6_find_idev+0x102/0x170 [ 3402.675014][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3402.675014][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3402.675014][ T74] netlink_rcv_skb+0x130/0x360 [ 3402.675014][ T74] netlink_unicast+0x449/0x710 [ 3402.675014][ T74] netlink_sendmsg+0x723/0xbe0 [ 3402.675014][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3402.675014][ T74] ___sys_sendmsg+0xee/0x170 [ 3402.675014][ T74] __sys_sendmsg+0xcd/0x170 [ 3402.675014][ T74] do_syscall_64+0xc6/0x1e0 [ 3402.675014][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3402.675014][ T74] [ 3402.676679][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3402.676679][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3402.676679][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3402.676679][ T74] ipv6_find_idev+0x102/0x170 [ 3402.676679][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3402.676679][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3402.676679][ T74] netlink_rcv_skb+0x130/0x360 [ 3402.676679][ T74] netlink_unicast+0x449/0x710 [ 3402.676679][ T74] netlink_sendmsg+0x723/0xbe0 [ 3402.676679][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3402.676679][ T74] ___sys_sendmsg+0xee/0x170 [ 3402.676679][ T74] __sys_sendmsg+0xcd/0x170 [ 3402.676679][ T74] do_syscall_64+0xc6/0x1e0 [ 3402.676679][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3402.676679][ T74] [ 3412.752074][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3412.752466][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3412.752466][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3412.752466][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3412.752466][ T74] fib6_nh_init+0xa22/0x1580 [ 3412.752466][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3412.752466][ T74] ip6_route_add+0x1c/0x140 [ 3412.752466][ T74] inet6_rtm_newroute+0x104/0x110 [ 3412.752466][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3412.752466][ T74] netlink_rcv_skb+0x130/0x360 [ 3412.752466][ T74] netlink_unicast+0x449/0x710 [ 3412.752466][ T74] netlink_sendmsg+0x723/0xbe0 [ 3412.752466][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3412.752466][ T74] ___sys_sendmsg+0xee/0x170 [ 3412.752466][ T74] __sys_sendmsg+0xcd/0x170 [ 3412.752466][ T74] do_syscall_64+0xc6/0x1e0 [ 3412.752466][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3412.752466][ T74] [ 3412.754434][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3412.754434][ T74] netdev_get_by_index+0x5e/0x80 [ 3412.754434][ T74] fib6_nh_init+0x3d8/0x1580 [ 3412.754434][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3412.754434][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3412.754434][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3412.754434][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3412.754434][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3412.754434][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3412.754434][ T74] addrconf_dad_begin+0x310/0x670 [ 3412.754434][ T74] addrconf_dad_work+0x10b/0xab0 [ 3412.754434][ T74] process_one_work+0x84d/0x18a0 [ 3412.754434][ T74] worker_thread+0x587/0xd30 [ 3412.754434][ T74] kthread+0x28a/0x350 [ 3412.754434][ T74] ret_from_fork+0x31/0x70 [ 3412.754434][ T74] ret_from_fork_asm+0x1a/0x30 [ 3412.754434][ T74] [ 3412.756373][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3412.756373][ T74] netdev_get_by_index+0x5e/0x80 [ 3412.756373][ T74] fib6_nh_init+0x3d8/0x1580 [ 3412.756373][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3412.756373][ T74] ip6_route_add+0x1c/0x140 [ 3412.756373][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3412.756373][ T74] inet6_addr_add+0x4f8/0xa40 [ 3412.756373][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3412.756373][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3412.756373][ T74] netlink_rcv_skb+0x130/0x360 [ 3412.756373][ T74] netlink_unicast+0x449/0x710 [ 3412.756373][ T74] netlink_sendmsg+0x723/0xbe0 [ 3412.756373][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3412.756373][ T74] ___sys_sendmsg+0xee/0x170 [ 3412.756373][ T74] __sys_sendmsg+0xcd/0x170 [ 3412.756373][ T74] do_syscall_64+0xc6/0x1e0 [ 3412.756373][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3412.756373][ T74] [ 3412.764262][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3412.764262][ T74] netdev_get_by_index+0x5e/0x80 [ 3412.764262][ T74] fib6_nh_init+0x3d8/0x1580 [ 3412.764262][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3412.764262][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3412.764262][ T74] ipv6_add_addr+0x411/0x2000 [ 3412.764262][ T74] inet6_addr_add+0x30e/0xa40 [ 3412.764262][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3412.764262][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3412.764262][ T74] netlink_rcv_skb+0x130/0x360 [ 3412.764262][ T74] netlink_unicast+0x449/0x710 [ 3412.764262][ T74] netlink_sendmsg+0x723/0xbe0 [ 3412.764262][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3412.764262][ T74] ___sys_sendmsg+0xee/0x170 [ 3412.764262][ T74] __sys_sendmsg+0xcd/0x170 [ 3412.764262][ T74] do_syscall_64+0xc6/0x1e0 [ 3412.764262][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3412.764262][ T74] [ 3412.766297][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3412.766297][ T74] netdev_get_by_index+0x5e/0x80 [ 3412.766297][ T74] fib6_nh_init+0x3d8/0x1580 [ 3412.766297][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3412.766297][ T74] ip6_route_add+0x1c/0x140 [ 3412.766297][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3412.766297][ T74] addrconf_add_dev+0xe2/0x170 [ 3412.766297][ T74] inet6_addr_add+0x12f/0xa40 [ 3412.766297][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3412.766297][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3412.766297][ T74] netlink_rcv_skb+0x130/0x360 [ 3412.766297][ T74] netlink_unicast+0x449/0x710 [ 3412.766297][ T74] netlink_sendmsg+0x723/0xbe0 [ 3412.766297][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3412.766297][ T74] ___sys_sendmsg+0xee/0x170 [ 3412.766297][ T74] __sys_sendmsg+0xcd/0x170 [ 3412.766297][ T74] do_syscall_64+0xc6/0x1e0 [ 3412.766297][ T74] [ 3412.768313][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3412.768313][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3412.768313][ T74] ipv6_find_idev+0x102/0x170 [ 3412.768313][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3412.768313][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3412.768313][ T74] netlink_rcv_skb+0x130/0x360 [ 3412.768313][ T74] netlink_unicast+0x449/0x710 [ 3412.768313][ T74] netlink_sendmsg+0x723/0xbe0 [ 3412.768313][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3412.768313][ T74] ___sys_sendmsg+0xee/0x170 [ 3412.768313][ T74] __sys_sendmsg+0xcd/0x170 [ 3412.768313][ T74] do_syscall_64+0xc6/0x1e0 [ 3412.768313][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3412.768313][ T74] [ 3412.769869][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3412.769869][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3412.769869][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3412.769869][ T74] ipv6_find_idev+0x102/0x170 [ 3412.769869][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3412.769869][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3412.769869][ T74] netlink_rcv_skb+0x130/0x360 [ 3412.769869][ T74] netlink_unicast+0x449/0x710 [ 3412.769869][ T74] netlink_sendmsg+0x723/0xbe0 [ 3412.769869][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3412.769869][ T74] ___sys_sendmsg+0xee/0x170 [ 3412.769869][ T74] __sys_sendmsg+0xcd/0x170 [ 3412.769869][ T74] do_syscall_64+0xc6/0x1e0 [ 3412.769869][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3412.769869][ T74] [ 3412.771621][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3412.771918][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3412.771918][ T74] dst_init+0x84/0x4a0 [ 3412.771918][ T74] dst_alloc+0x97/0x150 [ 3412.771918][ T74] ip6_dst_alloc+0x23/0x90 [ 3412.771918][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3412.771918][ T74] ip6_pol_route+0x56f/0x840 [ 3412.771918][ T74] fib6_rule_lookup+0x456/0x630 [ 3412.771918][ T74] ip6_route_input+0x59c/0xa50 [ 3412.771918][ T74] ipv6_rcv+0x397/0x810 [ 3412.771918][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3412.771918][ T74] process_backlog+0x101/0x620 [ 3412.771918][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3412.771918][ T74] net_rx_action+0x495/0xbe0 [ 3412.771918][ T74] __do_softirq+0x1b5/0x7f6 [ 3412.771918][ T74] [ 3412.773606][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3412.773606][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3412.773606][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3412.773606][ T74] fib6_nh_init+0xa22/0x1580 [ 3412.773606][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3412.773606][ T74] ip6_route_add+0x1c/0x140 [ 3412.773606][ T74] inet6_rtm_newroute+0x104/0x110 [ 3412.773606][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3412.773606][ T74] netlink_rcv_skb+0x130/0x360 [ 3412.773606][ T74] netlink_unicast+0x449/0x710 [ 3412.773606][ T74] netlink_sendmsg+0x723/0xbe0 [ 3412.773606][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3412.773606][ T74] ___sys_sendmsg+0xee/0x170 [ 3412.773606][ T74] __sys_sendmsg+0xcd/0x170 [ 3412.773606][ T74] do_syscall_64+0xc6/0x1e0 [ 3412.773606][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3412.773606][ T74] [ 3412.775520][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3412.775520][ T74] netdev_get_by_index+0x5e/0x80 [ 3412.775520][ T74] fib6_nh_init+0x3d8/0x1580 [ 3412.775520][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3412.775520][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3412.775520][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3412.775520][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3412.775520][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3412.775520][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3412.775520][ T74] addrconf_dad_begin+0x310/0x670 [ 3412.775520][ T74] addrconf_dad_work+0x10b/0xab0 [ 3412.775520][ T74] process_one_work+0x84d/0x18a0 [ 3412.775520][ T74] worker_thread+0x587/0xd30 [ 3412.775520][ T74] kthread+0x28a/0x350 [ 3412.775520][ T74] ret_from_fork+0x31/0x70 [ 3412.775520][ T74] ret_from_fork_asm+0x1a/0x30 [ 3412.775520][ T74] [ 3412.777479][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3412.777479][ T74] netdev_get_by_index+0x5e/0x80 [ 3412.777479][ T74] fib6_nh_init+0x3d8/0x1580 [ 3412.777479][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3412.777479][ T74] ip6_route_add+0x1c/0x140 [ 3412.777479][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3412.777479][ T74] inet6_addr_add+0x4f8/0xa40 [ 3412.777479][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3412.777479][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3412.777479][ T74] netlink_rcv_skb+0x130/0x360 [ 3412.777479][ T74] netlink_unicast+0x449/0x710 [ 3412.777479][ T74] netlink_sendmsg+0x723/0xbe0 [ 3412.777479][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3412.777479][ T74] ___sys_sendmsg+0xee/0x170 [ 3412.777479][ T74] __sys_sendmsg+0xcd/0x170 [ 3412.777479][ T74] do_syscall_64+0xc6/0x1e0 [ 3412.777479][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3412.777479][ T74] [ 3412.779505][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3412.779505][ T74] netdev_get_by_index+0x5e/0x80 [ 3412.779505][ T74] fib6_nh_init+0x3d8/0x1580 [ 3412.779505][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3412.779505][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3412.779505][ T74] ipv6_add_addr+0x411/0x2000 [ 3412.779505][ T74] inet6_addr_add+0x30e/0xa40 [ 3412.779505][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3412.779505][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3412.779505][ T74] netlink_rcv_skb+0x130/0x360 [ 3412.779505][ T74] netlink_unicast+0x449/0x710 [ 3412.779505][ T74] netlink_sendmsg+0x723/0xbe0 [ 3412.779505][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3412.779505][ T74] ___sys_sendmsg+0xee/0x170 [ 3412.779505][ T74] __sys_sendmsg+0xcd/0x170 [ 3412.779505][ T74] do_syscall_64+0xc6/0x1e0 [ 3412.779505][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3412.779505][ T74] [ 3412.781642][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3412.781642][ T74] netdev_get_by_index+0x5e/0x80 [ 3412.781642][ T74] fib6_nh_init+0x3d8/0x1580 [ 3412.781642][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3412.781642][ T74] ip6_route_add+0x1c/0x140 [ 3412.781642][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3412.781642][ T74] addrconf_add_dev+0xe2/0x170 [ 3412.781642][ T74] inet6_addr_add+0x12f/0xa40 [ 3412.781642][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3412.781642][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3412.781642][ T74] netlink_rcv_skb+0x130/0x360 [ 3412.781642][ T74] netlink_unicast+0x449/0x710 [ 3412.781642][ T74] netlink_sendmsg+0x723/0xbe0 [ 3412.781642][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3412.781642][ T74] ___sys_sendmsg+0xee/0x170 [ 3412.781642][ T74] __sys_sendmsg+0xcd/0x170 [ 3412.781642][ T74] do_syscall_64+0xc6/0x1e0 [ 3412.781642][ T74] [ 3412.783644][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3412.783644][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3412.783644][ T74] ipv6_find_idev+0x102/0x170 [ 3412.783644][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3412.783644][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3412.783644][ T74] netlink_rcv_skb+0x130/0x360 [ 3412.783644][ T74] netlink_unicast+0x449/0x710 [ 3412.783644][ T74] netlink_sendmsg+0x723/0xbe0 [ 3412.783644][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3412.783644][ T74] ___sys_sendmsg+0xee/0x170 [ 3412.783644][ T74] __sys_sendmsg+0xcd/0x170 [ 3412.783644][ T74] do_syscall_64+0xc6/0x1e0 [ 3412.783644][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3412.783644][ T74] [ 3412.785386][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3412.785386][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3412.785386][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3412.785386][ T74] ipv6_find_idev+0x102/0x170 [ 3412.785386][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3412.785386][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3412.785386][ T74] netlink_rcv_skb+0x130/0x360 [ 3412.785386][ T74] netlink_unicast+0x449/0x710 [ 3412.785386][ T74] netlink_sendmsg+0x723/0xbe0 [ 3412.785386][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3412.785386][ T74] ___sys_sendmsg+0xee/0x170 [ 3412.785386][ T74] __sys_sendmsg+0xcd/0x170 [ 3412.785386][ T74] do_syscall_64+0xc6/0x1e0 [ 3412.785386][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3412.785386][ T74] [ 3412.787294][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3412.787532][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3412.787532][ T74] netdev_get_by_index+0x5e/0x80 [ 3412.787532][ T74] fib6_nh_init+0x3d8/0x1580 [ 3412.787532][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3412.787532][ T74] ip6_route_add+0x1c/0x140 [ 3412.787532][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3412.787532][ T74] inet6_addr_add+0x4f8/0xa40 [ 3412.787532][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3412.787532][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3412.787532][ T74] netlink_rcv_skb+0x130/0x360 [ 3412.787532][ T74] netlink_unicast+0x449/0x710 [ 3412.787532][ T74] netlink_sendmsg+0x723/0xbe0 [ 3412.787532][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3412.787532][ T74] ___sys_sendmsg+0xee/0x170 [ 3412.787532][ T74] __sys_sendmsg+0xcd/0x170 [ 3412.787532][ T74] do_syscall_64+0xc6/0x1e0 [ 3412.787532][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3412.787532][ T74] [ 3412.789819][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3412.789819][ T74] netdev_get_by_index+0x5e/0x80 [ 3412.789819][ T74] fib6_nh_init+0x3d8/0x1580 [ 3412.789819][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3412.789819][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3412.789819][ T74] ipv6_add_addr+0x411/0x2000 [ 3412.789819][ T74] inet6_addr_add+0x30e/0xa40 [ 3412.789819][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3412.789819][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3412.789819][ T74] netlink_rcv_skb+0x130/0x360 [ 3412.789819][ T74] netlink_unicast+0x449/0x710 [ 3412.789819][ T74] netlink_sendmsg+0x723/0xbe0 [ 3412.789819][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3412.789819][ T74] ___sys_sendmsg+0xee/0x170 [ 3412.789819][ T74] __sys_sendmsg+0xcd/0x170 [ 3412.789819][ T74] do_syscall_64+0xc6/0x1e0 [ 3412.789819][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3412.789819][ T74] [ 3412.792685][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3412.792685][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3412.792685][ T74] ipv6_find_idev+0x102/0x170 [ 3412.792685][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3412.792685][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3412.792685][ T74] netlink_rcv_skb+0x130/0x360 [ 3412.792685][ T74] netlink_unicast+0x449/0x710 [ 3412.792685][ T74] netlink_sendmsg+0x723/0xbe0 [ 3412.792685][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3412.792685][ T74] ___sys_sendmsg+0xee/0x170 [ 3412.792685][ T74] __sys_sendmsg+0xcd/0x170 [ 3412.792685][ T74] do_syscall_64+0xc6/0x1e0 [ 3412.792685][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3412.792685][ T74] [ 3412.794405][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3412.794405][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3412.794405][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3412.794405][ T74] ipv6_find_idev+0x102/0x170 [ 3412.794405][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3412.794405][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3412.794405][ T74] netlink_rcv_skb+0x130/0x360 [ 3412.794405][ T74] netlink_unicast+0x449/0x710 [ 3412.794405][ T74] netlink_sendmsg+0x723/0xbe0 [ 3412.794405][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3412.794405][ T74] ___sys_sendmsg+0xee/0x170 [ 3412.794405][ T74] __sys_sendmsg+0xcd/0x170 [ 3412.794405][ T74] do_syscall_64+0xc6/0x1e0 [ 3412.794405][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3412.794405][ T74] [ 3423.033506][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3423.033888][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3423.033888][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3423.033888][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3423.033888][ T74] fib6_nh_init+0xa22/0x1580 [ 3423.033888][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3423.033888][ T74] ip6_route_add+0x1c/0x140 [ 3423.033888][ T74] inet6_rtm_newroute+0x104/0x110 [ 3423.033888][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3423.033888][ T74] netlink_rcv_skb+0x130/0x360 [ 3423.033888][ T74] netlink_unicast+0x449/0x710 [ 3423.033888][ T74] netlink_sendmsg+0x723/0xbe0 [ 3423.033888][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3423.033888][ T74] ___sys_sendmsg+0xee/0x170 [ 3423.033888][ T74] __sys_sendmsg+0xcd/0x170 [ 3423.033888][ T74] do_syscall_64+0xc6/0x1e0 [ 3423.033888][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3423.033888][ T74] [ 3423.035809][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3423.035809][ T74] netdev_get_by_index+0x5e/0x80 [ 3423.035809][ T74] fib6_nh_init+0x3d8/0x1580 [ 3423.035809][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3423.035809][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3423.035809][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3423.035809][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3423.035809][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3423.035809][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3423.035809][ T74] addrconf_dad_begin+0x310/0x670 [ 3423.035809][ T74] addrconf_dad_work+0x10b/0xab0 [ 3423.035809][ T74] process_one_work+0x84d/0x18a0 [ 3423.035809][ T74] worker_thread+0x587/0xd30 [ 3423.035809][ T74] kthread+0x28a/0x350 [ 3423.035809][ T74] ret_from_fork+0x31/0x70 [ 3423.035809][ T74] ret_from_fork_asm+0x1a/0x30 [ 3423.035809][ T74] [ 3423.040090][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3423.040090][ T74] netdev_get_by_index+0x5e/0x80 [ 3423.040090][ T74] fib6_nh_init+0x3d8/0x1580 [ 3423.040090][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3423.040090][ T74] ip6_route_add+0x1c/0x140 [ 3423.040090][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3423.040090][ T74] inet6_addr_add+0x4f8/0xa40 [ 3423.040090][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3423.040090][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3423.040090][ T74] netlink_rcv_skb+0x130/0x360 [ 3423.040090][ T74] netlink_unicast+0x449/0x710 [ 3423.040090][ T74] netlink_sendmsg+0x723/0xbe0 [ 3423.040090][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3423.040090][ T74] ___sys_sendmsg+0xee/0x170 [ 3423.040090][ T74] __sys_sendmsg+0xcd/0x170 [ 3423.040090][ T74] do_syscall_64+0xc6/0x1e0 [ 3423.040090][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3423.040090][ T74] [ 3423.042113][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3423.042113][ T74] netdev_get_by_index+0x5e/0x80 [ 3423.042113][ T74] fib6_nh_init+0x3d8/0x1580 [ 3423.042113][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3423.042113][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3423.042113][ T74] ipv6_add_addr+0x411/0x2000 [ 3423.042113][ T74] inet6_addr_add+0x30e/0xa40 [ 3423.042113][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3423.042113][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3423.042113][ T74] netlink_rcv_skb+0x130/0x360 [ 3423.042113][ T74] netlink_unicast+0x449/0x710 [ 3423.042113][ T74] netlink_sendmsg+0x723/0xbe0 [ 3423.042113][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3423.042113][ T74] ___sys_sendmsg+0xee/0x170 [ 3423.042113][ T74] __sys_sendmsg+0xcd/0x170 [ 3423.042113][ T74] do_syscall_64+0xc6/0x1e0 [ 3423.042113][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3423.042113][ T74] [ 3423.044185][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3423.044185][ T74] netdev_get_by_index+0x5e/0x80 [ 3423.044185][ T74] fib6_nh_init+0x3d8/0x1580 [ 3423.044185][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3423.044185][ T74] ip6_route_add+0x1c/0x140 [ 3423.044185][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3423.044185][ T74] addrconf_add_dev+0xe2/0x170 [ 3423.044185][ T74] inet6_addr_add+0x12f/0xa40 [ 3423.044185][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3423.044185][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3423.044185][ T74] netlink_rcv_skb+0x130/0x360 [ 3423.044185][ T74] netlink_unicast+0x449/0x710 [ 3423.044185][ T74] netlink_sendmsg+0x723/0xbe0 [ 3423.044185][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3423.044185][ T74] ___sys_sendmsg+0xee/0x170 [ 3423.044185][ T74] __sys_sendmsg+0xcd/0x170 [ 3423.044185][ T74] do_syscall_64+0xc6/0x1e0 [ 3423.044185][ T74] [ 3423.046174][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3423.046174][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3423.046174][ T74] ipv6_find_idev+0x102/0x170 [ 3423.046174][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3423.046174][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3423.046174][ T74] netlink_rcv_skb+0x130/0x360 [ 3423.046174][ T74] netlink_unicast+0x449/0x710 [ 3423.046174][ T74] netlink_sendmsg+0x723/0xbe0 [ 3423.046174][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3423.046174][ T74] ___sys_sendmsg+0xee/0x170 [ 3423.046174][ T74] __sys_sendmsg+0xcd/0x170 [ 3423.046174][ T74] do_syscall_64+0xc6/0x1e0 [ 3423.046174][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3423.046174][ T74] [ 3423.047732][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3423.047732][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3423.047732][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3423.047732][ T74] ipv6_find_idev+0x102/0x170 [ 3423.047732][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3423.047732][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3423.047732][ T74] netlink_rcv_skb+0x130/0x360 [ 3423.047732][ T74] netlink_unicast+0x449/0x710 [ 3423.047732][ T74] netlink_sendmsg+0x723/0xbe0 [ 3423.047732][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3423.047732][ T74] ___sys_sendmsg+0xee/0x170 [ 3423.047732][ T74] __sys_sendmsg+0xcd/0x170 [ 3423.047732][ T74] do_syscall_64+0xc6/0x1e0 [ 3423.047732][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3423.047732][ T74] [ 3423.049469][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3423.049752][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3423.049752][ T74] dst_init+0x84/0x4a0 [ 3423.049752][ T74] dst_alloc+0x97/0x150 [ 3423.049752][ T74] ip6_dst_alloc+0x23/0x90 [ 3423.049752][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3423.049752][ T74] ip6_pol_route+0x56f/0x840 [ 3423.049752][ T74] fib6_rule_lookup+0x456/0x630 [ 3423.049752][ T74] ip6_route_input+0x59c/0xa50 [ 3423.049752][ T74] ipv6_rcv+0x397/0x810 [ 3423.049752][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3423.049752][ T74] process_backlog+0x101/0x620 [ 3423.049752][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3423.049752][ T74] net_rx_action+0x495/0xbe0 [ 3423.049752][ T74] __do_softirq+0x1b5/0x7f6 [ 3423.049752][ T74] [ 3423.051407][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3423.051407][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3423.051407][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3423.051407][ T74] fib6_nh_init+0xa22/0x1580 [ 3423.051407][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3423.051407][ T74] ip6_route_add+0x1c/0x140 [ 3423.051407][ T74] inet6_rtm_newroute+0x104/0x110 [ 3423.051407][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3423.051407][ T74] netlink_rcv_skb+0x130/0x360 [ 3423.051407][ T74] netlink_unicast+0x449/0x710 [ 3423.051407][ T74] netlink_sendmsg+0x723/0xbe0 [ 3423.051407][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3423.051407][ T74] ___sys_sendmsg+0xee/0x170 [ 3423.051407][ T74] __sys_sendmsg+0xcd/0x170 [ 3423.051407][ T74] do_syscall_64+0xc6/0x1e0 [ 3423.051407][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3423.051407][ T74] [ 3423.053338][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3423.053338][ T74] netdev_get_by_index+0x5e/0x80 [ 3423.053338][ T74] fib6_nh_init+0x3d8/0x1580 [ 3423.053338][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3423.053338][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3423.053338][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3423.053338][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3423.053338][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3423.053338][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3423.053338][ T74] addrconf_dad_begin+0x310/0x670 [ 3423.053338][ T74] addrconf_dad_work+0x10b/0xab0 [ 3423.053338][ T74] process_one_work+0x84d/0x18a0 [ 3423.053338][ T74] worker_thread+0x587/0xd30 [ 3423.053338][ T74] kthread+0x28a/0x350 [ 3423.053338][ T74] ret_from_fork+0x31/0x70 [ 3423.053338][ T74] ret_from_fork_asm+0x1a/0x30 [ 3423.053338][ T74] [ 3423.055268][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3423.055268][ T74] netdev_get_by_index+0x5e/0x80 [ 3423.055268][ T74] fib6_nh_init+0x3d8/0x1580 [ 3423.055268][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3423.055268][ T74] ip6_route_add+0x1c/0x140 [ 3423.055268][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3423.055268][ T74] inet6_addr_add+0x4f8/0xa40 [ 3423.055268][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3423.055268][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3423.055268][ T74] netlink_rcv_skb+0x130/0x360 [ 3423.055268][ T74] netlink_unicast+0x449/0x710 [ 3423.055268][ T74] netlink_sendmsg+0x723/0xbe0 [ 3423.055268][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3423.055268][ T74] ___sys_sendmsg+0xee/0x170 [ 3423.055268][ T74] __sys_sendmsg+0xcd/0x170 [ 3423.055268][ T74] do_syscall_64+0xc6/0x1e0 [ 3423.055268][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3423.055268][ T74] [ 3423.057282][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3423.057282][ T74] netdev_get_by_index+0x5e/0x80 [ 3423.057282][ T74] fib6_nh_init+0x3d8/0x1580 [ 3423.057282][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3423.057282][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3423.057282][ T74] ipv6_add_addr+0x411/0x2000 [ 3423.057282][ T74] inet6_addr_add+0x30e/0xa40 [ 3423.057282][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3423.057282][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3423.057282][ T74] netlink_rcv_skb+0x130/0x360 [ 3423.057282][ T74] netlink_unicast+0x449/0x710 [ 3423.057282][ T74] netlink_sendmsg+0x723/0xbe0 [ 3423.057282][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3423.057282][ T74] ___sys_sendmsg+0xee/0x170 [ 3423.057282][ T74] __sys_sendmsg+0xcd/0x170 [ 3423.057282][ T74] do_syscall_64+0xc6/0x1e0 [ 3423.057282][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3423.057282][ T74] [ 3423.059314][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3423.059314][ T74] netdev_get_by_index+0x5e/0x80 [ 3423.059314][ T74] fib6_nh_init+0x3d8/0x1580 [ 3423.059314][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3423.059314][ T74] ip6_route_add+0x1c/0x140 [ 3423.059314][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3423.059314][ T74] addrconf_add_dev+0xe2/0x170 [ 3423.059314][ T74] inet6_addr_add+0x12f/0xa40 [ 3423.059314][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3423.059314][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3423.059314][ T74] netlink_rcv_skb+0x130/0x360 [ 3423.059314][ T74] netlink_unicast+0x449/0x710 [ 3423.059314][ T74] netlink_sendmsg+0x723/0xbe0 [ 3423.059314][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3423.059314][ T74] ___sys_sendmsg+0xee/0x170 [ 3423.059314][ T74] __sys_sendmsg+0xcd/0x170 [ 3423.059314][ T74] do_syscall_64+0xc6/0x1e0 [ 3423.059314][ T74] [ 3423.061318][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3423.061318][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3423.061318][ T74] ipv6_find_idev+0x102/0x170 [ 3423.061318][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3423.061318][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3423.061318][ T74] netlink_rcv_skb+0x130/0x360 [ 3423.061318][ T74] netlink_unicast+0x449/0x710 [ 3423.061318][ T74] netlink_sendmsg+0x723/0xbe0 [ 3423.061318][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3423.061318][ T74] ___sys_sendmsg+0xee/0x170 [ 3423.061318][ T74] __sys_sendmsg+0xcd/0x170 [ 3423.061318][ T74] do_syscall_64+0xc6/0x1e0 [ 3423.061318][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3423.061318][ T74] [ 3423.063101][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3423.063101][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3423.063101][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3423.063101][ T74] ipv6_find_idev+0x102/0x170 [ 3423.063101][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3423.063101][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3423.063101][ T74] netlink_rcv_skb+0x130/0x360 [ 3423.063101][ T74] netlink_unicast+0x449/0x710 [ 3423.063101][ T74] netlink_sendmsg+0x723/0xbe0 [ 3423.063101][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3423.063101][ T74] ___sys_sendmsg+0xee/0x170 [ 3423.063101][ T74] __sys_sendmsg+0xcd/0x170 [ 3423.063101][ T74] do_syscall_64+0xc6/0x1e0 [ 3423.063101][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3423.063101][ T74] [ 3423.064993][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3423.065229][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3423.065229][ T74] netdev_get_by_index+0x5e/0x80 [ 3423.065229][ T74] fib6_nh_init+0x3d8/0x1580 [ 3423.065229][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3423.065229][ T74] ip6_route_add+0x1c/0x140 [ 3423.065229][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3423.065229][ T74] inet6_addr_add+0x4f8/0xa40 [ 3423.065229][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3423.065229][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3423.065229][ T74] netlink_rcv_skb+0x130/0x360 [ 3423.065229][ T74] netlink_unicast+0x449/0x710 [ 3423.065229][ T74] netlink_sendmsg+0x723/0xbe0 [ 3423.065229][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3423.065229][ T74] ___sys_sendmsg+0xee/0x170 [ 3423.065229][ T74] __sys_sendmsg+0xcd/0x170 [ 3423.065229][ T74] do_syscall_64+0xc6/0x1e0 [ 3423.065229][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3423.065229][ T74] [ 3423.067507][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3423.067507][ T74] netdev_get_by_index+0x5e/0x80 [ 3423.067507][ T74] fib6_nh_init+0x3d8/0x1580 [ 3423.067507][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3423.067507][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3423.067507][ T74] ipv6_add_addr+0x411/0x2000 [ 3423.067507][ T74] inet6_addr_add+0x30e/0xa40 [ 3423.067507][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3423.067507][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3423.067507][ T74] netlink_rcv_skb+0x130/0x360 [ 3423.067507][ T74] netlink_unicast+0x449/0x710 [ 3423.067507][ T74] netlink_sendmsg+0x723/0xbe0 [ 3423.067507][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3423.067507][ T74] ___sys_sendmsg+0xee/0x170 [ 3423.067507][ T74] __sys_sendmsg+0xcd/0x170 [ 3423.067507][ T74] do_syscall_64+0xc6/0x1e0 [ 3423.067507][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3423.067507][ T74] [ 3423.069763][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3423.069763][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3423.069763][ T74] ipv6_find_idev+0x102/0x170 [ 3423.069763][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3423.069763][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3423.069763][ T74] netlink_rcv_skb+0x130/0x360 [ 3423.069763][ T74] netlink_unicast+0x449/0x710 [ 3423.069763][ T74] netlink_sendmsg+0x723/0xbe0 [ 3423.069763][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3423.069763][ T74] ___sys_sendmsg+0xee/0x170 [ 3423.069763][ T74] __sys_sendmsg+0xcd/0x170 [ 3423.069763][ T74] do_syscall_64+0xc6/0x1e0 [ 3423.069763][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3423.069763][ T74] [ 3423.071566][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3423.071566][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3423.071566][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3423.071566][ T74] ipv6_find_idev+0x102/0x170 [ 3423.071566][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3423.071566][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3423.071566][ T74] netlink_rcv_skb+0x130/0x360 [ 3423.071566][ T74] netlink_unicast+0x449/0x710 [ 3423.071566][ T74] netlink_sendmsg+0x723/0xbe0 [ 3423.071566][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3423.071566][ T74] ___sys_sendmsg+0xee/0x170 [ 3423.071566][ T74] __sys_sendmsg+0xcd/0x170 [ 3423.071566][ T74] do_syscall_64+0xc6/0x1e0 [ 3423.071566][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3423.071566][ T74] [ 3433.199998][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3433.200475][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3433.200475][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3433.200475][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3433.200475][ T74] fib6_nh_init+0xa22/0x1580 [ 3433.200475][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3433.200475][ T74] ip6_route_add+0x1c/0x140 [ 3433.200475][ T74] inet6_rtm_newroute+0x104/0x110 [ 3433.200475][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3433.200475][ T74] netlink_rcv_skb+0x130/0x360 [ 3433.200475][ T74] netlink_unicast+0x449/0x710 [ 3433.200475][ T74] netlink_sendmsg+0x723/0xbe0 [ 3433.200475][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3433.200475][ T74] ___sys_sendmsg+0xee/0x170 [ 3433.200475][ T74] __sys_sendmsg+0xcd/0x170 [ 3433.200475][ T74] do_syscall_64+0xc6/0x1e0 [ 3433.200475][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3433.200475][ T74] [ 3433.202397][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3433.202397][ T74] netdev_get_by_index+0x5e/0x80 [ 3433.202397][ T74] fib6_nh_init+0x3d8/0x1580 [ 3433.202397][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3433.202397][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3433.202397][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3433.202397][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3433.202397][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3433.202397][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3433.202397][ T74] addrconf_dad_begin+0x310/0x670 [ 3433.202397][ T74] addrconf_dad_work+0x10b/0xab0 [ 3433.202397][ T74] process_one_work+0x84d/0x18a0 [ 3433.202397][ T74] worker_thread+0x587/0xd30 [ 3433.202397][ T74] kthread+0x28a/0x350 [ 3433.202397][ T74] ret_from_fork+0x31/0x70 [ 3433.202397][ T74] ret_from_fork_asm+0x1a/0x30 [ 3433.202397][ T74] [ 3433.204341][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3433.204341][ T74] netdev_get_by_index+0x5e/0x80 [ 3433.204341][ T74] fib6_nh_init+0x3d8/0x1580 [ 3433.204341][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3433.204341][ T74] ip6_route_add+0x1c/0x140 [ 3433.204341][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3433.204341][ T74] inet6_addr_add+0x4f8/0xa40 [ 3433.204341][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3433.204341][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3433.204341][ T74] netlink_rcv_skb+0x130/0x360 [ 3433.204341][ T74] netlink_unicast+0x449/0x710 [ 3433.204341][ T74] netlink_sendmsg+0x723/0xbe0 [ 3433.204341][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3433.204341][ T74] ___sys_sendmsg+0xee/0x170 [ 3433.204341][ T74] __sys_sendmsg+0xcd/0x170 [ 3433.204341][ T74] do_syscall_64+0xc6/0x1e0 [ 3433.204341][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3433.204341][ T74] [ 3433.206363][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3433.206363][ T74] netdev_get_by_index+0x5e/0x80 [ 3433.206363][ T74] fib6_nh_init+0x3d8/0x1580 [ 3433.206363][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3433.206363][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3433.206363][ T74] ipv6_add_addr+0x411/0x2000 [ 3433.206363][ T74] inet6_addr_add+0x30e/0xa40 [ 3433.206363][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3433.206363][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3433.206363][ T74] netlink_rcv_skb+0x130/0x360 [ 3433.206363][ T74] netlink_unicast+0x449/0x710 [ 3433.206363][ T74] netlink_sendmsg+0x723/0xbe0 [ 3433.206363][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3433.206363][ T74] ___sys_sendmsg+0xee/0x170 [ 3433.206363][ T74] __sys_sendmsg+0xcd/0x170 [ 3433.206363][ T74] do_syscall_64+0xc6/0x1e0 [ 3433.206363][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3433.206363][ T74] [ 3433.208380][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3433.208380][ T74] netdev_get_by_index+0x5e/0x80 [ 3433.208380][ T74] fib6_nh_init+0x3d8/0x1580 [ 3433.208380][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3433.208380][ T74] ip6_route_add+0x1c/0x140 [ 3433.208380][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3433.208380][ T74] addrconf_add_dev+0xe2/0x170 [ 3433.208380][ T74] inet6_addr_add+0x12f/0xa40 [ 3433.208380][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3433.208380][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3433.208380][ T74] netlink_rcv_skb+0x130/0x360 [ 3433.208380][ T74] netlink_unicast+0x449/0x710 [ 3433.208380][ T74] netlink_sendmsg+0x723/0xbe0 [ 3433.208380][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3433.208380][ T74] ___sys_sendmsg+0xee/0x170 [ 3433.208380][ T74] __sys_sendmsg+0xcd/0x170 [ 3433.208380][ T74] do_syscall_64+0xc6/0x1e0 [ 3433.208380][ T74] [ 3433.210348][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3433.210348][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3433.210348][ T74] ipv6_find_idev+0x102/0x170 [ 3433.210348][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3433.210348][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3433.210348][ T74] netlink_rcv_skb+0x130/0x360 [ 3433.210348][ T74] netlink_unicast+0x449/0x710 [ 3433.210348][ T74] netlink_sendmsg+0x723/0xbe0 [ 3433.210348][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3433.210348][ T74] ___sys_sendmsg+0xee/0x170 [ 3433.210348][ T74] __sys_sendmsg+0xcd/0x170 [ 3433.210348][ T74] do_syscall_64+0xc6/0x1e0 [ 3433.210348][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3433.210348][ T74] [ 3433.211902][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3433.211902][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3433.211902][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3433.211902][ T74] ipv6_find_idev+0x102/0x170 [ 3433.211902][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3433.211902][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3433.211902][ T74] netlink_rcv_skb+0x130/0x360 [ 3433.211902][ T74] netlink_unicast+0x449/0x710 [ 3433.211902][ T74] netlink_sendmsg+0x723/0xbe0 [ 3433.211902][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3433.211902][ T74] ___sys_sendmsg+0xee/0x170 [ 3433.211902][ T74] __sys_sendmsg+0xcd/0x170 [ 3433.211902][ T74] do_syscall_64+0xc6/0x1e0 [ 3433.211902][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3433.211902][ T74] [ 3433.213662][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3433.213989][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3433.213989][ T74] dst_init+0x84/0x4a0 [ 3433.213989][ T74] dst_alloc+0x97/0x150 [ 3433.213989][ T74] ip6_dst_alloc+0x23/0x90 [ 3433.213989][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3433.213989][ T74] ip6_pol_route+0x56f/0x840 [ 3433.213989][ T74] fib6_rule_lookup+0x456/0x630 [ 3433.213989][ T74] ip6_route_input+0x59c/0xa50 [ 3433.213989][ T74] ipv6_rcv+0x397/0x810 [ 3433.213989][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3433.213989][ T74] process_backlog+0x101/0x620 [ 3433.213989][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3433.213989][ T74] net_rx_action+0x495/0xbe0 [ 3433.213989][ T74] __do_softirq+0x1b5/0x7f6 [ 3433.213989][ T74] [ 3433.215655][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3433.215655][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3433.215655][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3433.215655][ T74] fib6_nh_init+0xa22/0x1580 [ 3433.215655][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3433.215655][ T74] ip6_route_add+0x1c/0x140 [ 3433.215655][ T74] inet6_rtm_newroute+0x104/0x110 [ 3433.215655][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3433.215655][ T74] netlink_rcv_skb+0x130/0x360 [ 3433.215655][ T74] netlink_unicast+0x449/0x710 [ 3433.215655][ T74] netlink_sendmsg+0x723/0xbe0 [ 3433.215655][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3433.215655][ T74] ___sys_sendmsg+0xee/0x170 [ 3433.215655][ T74] __sys_sendmsg+0xcd/0x170 [ 3433.215655][ T74] do_syscall_64+0xc6/0x1e0 [ 3433.215655][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3433.215655][ T74] [ 3433.217570][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3433.217570][ T74] netdev_get_by_index+0x5e/0x80 [ 3433.217570][ T74] fib6_nh_init+0x3d8/0x1580 [ 3433.217570][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3433.217570][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3433.217570][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3433.217570][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3433.217570][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3433.217570][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3433.217570][ T74] addrconf_dad_begin+0x310/0x670 [ 3433.217570][ T74] addrconf_dad_work+0x10b/0xab0 [ 3433.217570][ T74] process_one_work+0x84d/0x18a0 [ 3433.217570][ T74] worker_thread+0x587/0xd30 [ 3433.217570][ T74] kthread+0x28a/0x350 [ 3433.217570][ T74] ret_from_fork+0x31/0x70 [ 3433.217570][ T74] ret_from_fork_asm+0x1a/0x30 [ 3433.217570][ T74] [ 3433.219509][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3433.219509][ T74] netdev_get_by_index+0x5e/0x80 [ 3433.219509][ T74] fib6_nh_init+0x3d8/0x1580 [ 3433.219509][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3433.219509][ T74] ip6_route_add+0x1c/0x140 [ 3433.219509][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3433.219509][ T74] inet6_addr_add+0x4f8/0xa40 [ 3433.219509][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3433.219509][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3433.219509][ T74] netlink_rcv_skb+0x130/0x360 [ 3433.219509][ T74] netlink_unicast+0x449/0x710 [ 3433.219509][ T74] netlink_sendmsg+0x723/0xbe0 [ 3433.219509][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3433.219509][ T74] ___sys_sendmsg+0xee/0x170 [ 3433.219509][ T74] __sys_sendmsg+0xcd/0x170 [ 3433.219509][ T74] do_syscall_64+0xc6/0x1e0 [ 3433.219509][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3433.219509][ T74] [ 3433.221531][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3433.221531][ T74] netdev_get_by_index+0x5e/0x80 [ 3433.221531][ T74] fib6_nh_init+0x3d8/0x1580 [ 3433.221531][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3433.221531][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3433.221531][ T74] ipv6_add_addr+0x411/0x2000 [ 3433.221531][ T74] inet6_addr_add+0x30e/0xa40 [ 3433.221531][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3433.221531][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3433.221531][ T74] netlink_rcv_skb+0x130/0x360 [ 3433.221531][ T74] netlink_unicast+0x449/0x710 [ 3433.221531][ T74] netlink_sendmsg+0x723/0xbe0 [ 3433.221531][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3433.221531][ T74] ___sys_sendmsg+0xee/0x170 [ 3433.221531][ T74] __sys_sendmsg+0xcd/0x170 [ 3433.221531][ T74] do_syscall_64+0xc6/0x1e0 [ 3433.221531][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3433.221531][ T74] [ 3433.223547][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3433.223547][ T74] netdev_get_by_index+0x5e/0x80 [ 3433.223547][ T74] fib6_nh_init+0x3d8/0x1580 [ 3433.223547][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3433.223547][ T74] ip6_route_add+0x1c/0x140 [ 3433.223547][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3433.223547][ T74] addrconf_add_dev+0xe2/0x170 [ 3433.223547][ T74] inet6_addr_add+0x12f/0xa40 [ 3433.223547][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3433.223547][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3433.223547][ T74] netlink_rcv_skb+0x130/0x360 [ 3433.223547][ T74] netlink_unicast+0x449/0x710 [ 3433.223547][ T74] netlink_sendmsg+0x723/0xbe0 [ 3433.223547][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3433.223547][ T74] ___sys_sendmsg+0xee/0x170 [ 3433.223547][ T74] __sys_sendmsg+0xcd/0x170 [ 3433.223547][ T74] do_syscall_64+0xc6/0x1e0 [ 3433.223547][ T74] [ 3433.225527][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3433.225527][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3433.225527][ T74] ipv6_find_idev+0x102/0x170 [ 3433.225527][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3433.225527][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3433.225527][ T74] netlink_rcv_skb+0x130/0x360 [ 3433.225527][ T74] netlink_unicast+0x449/0x710 [ 3433.225527][ T74] netlink_sendmsg+0x723/0xbe0 [ 3433.225527][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3433.225527][ T74] ___sys_sendmsg+0xee/0x170 [ 3433.225527][ T74] __sys_sendmsg+0xcd/0x170 [ 3433.225527][ T74] do_syscall_64+0xc6/0x1e0 [ 3433.225527][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3433.225527][ T74] [ 3433.227256][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3433.227256][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3433.227256][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3433.227256][ T74] ipv6_find_idev+0x102/0x170 [ 3433.227256][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3433.227256][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3433.227256][ T74] netlink_rcv_skb+0x130/0x360 [ 3433.227256][ T74] netlink_unicast+0x449/0x710 [ 3433.227256][ T74] netlink_sendmsg+0x723/0xbe0 [ 3433.227256][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3433.227256][ T74] ___sys_sendmsg+0xee/0x170 [ 3433.227256][ T74] __sys_sendmsg+0xcd/0x170 [ 3433.227256][ T74] do_syscall_64+0xc6/0x1e0 [ 3433.227256][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3433.227256][ T74] [ 3433.229249][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3433.229488][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3433.229488][ T74] netdev_get_by_index+0x5e/0x80 [ 3433.229488][ T74] fib6_nh_init+0x3d8/0x1580 [ 3433.229488][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3433.229488][ T74] ip6_route_add+0x1c/0x140 [ 3433.229488][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3433.229488][ T74] inet6_addr_add+0x4f8/0xa40 [ 3433.229488][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3433.229488][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3433.229488][ T74] netlink_rcv_skb+0x130/0x360 [ 3433.229488][ T74] netlink_unicast+0x449/0x710 [ 3433.229488][ T74] netlink_sendmsg+0x723/0xbe0 [ 3433.229488][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3433.229488][ T74] ___sys_sendmsg+0xee/0x170 [ 3433.229488][ T74] __sys_sendmsg+0xcd/0x170 [ 3433.229488][ T74] do_syscall_64+0xc6/0x1e0 [ 3433.229488][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3433.229488][ T74] [ 3433.231709][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3433.231709][ T74] netdev_get_by_index+0x5e/0x80 [ 3433.231709][ T74] fib6_nh_init+0x3d8/0x1580 [ 3433.231709][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3433.231709][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3433.231709][ T74] ipv6_add_addr+0x411/0x2000 [ 3433.231709][ T74] inet6_addr_add+0x30e/0xa40 [ 3433.231709][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3433.231709][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3433.231709][ T74] netlink_rcv_skb+0x130/0x360 [ 3433.231709][ T74] netlink_unicast+0x449/0x710 [ 3433.231709][ T74] netlink_sendmsg+0x723/0xbe0 [ 3433.231709][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3433.231709][ T74] ___sys_sendmsg+0xee/0x170 [ 3433.231709][ T74] __sys_sendmsg+0xcd/0x170 [ 3433.231709][ T74] do_syscall_64+0xc6/0x1e0 [ 3433.231709][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3433.231709][ T74] [ 3433.233921][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3433.233921][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3433.233921][ T74] ipv6_find_idev+0x102/0x170 [ 3433.233921][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3433.233921][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3433.233921][ T74] netlink_rcv_skb+0x130/0x360 [ 3433.233921][ T74] netlink_unicast+0x449/0x710 [ 3433.233921][ T74] netlink_sendmsg+0x723/0xbe0 [ 3433.233921][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3433.233921][ T74] ___sys_sendmsg+0xee/0x170 [ 3433.233921][ T74] __sys_sendmsg+0xcd/0x170 [ 3433.233921][ T74] do_syscall_64+0xc6/0x1e0 [ 3433.233921][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3433.233921][ T74] [ 3433.235668][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3433.235668][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3433.235668][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3433.235668][ T74] ipv6_find_idev+0x102/0x170 [ 3433.235668][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3433.235668][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3433.235668][ T74] netlink_rcv_skb+0x130/0x360 [ 3433.235668][ T74] netlink_unicast+0x449/0x710 [ 3433.235668][ T74] netlink_sendmsg+0x723/0xbe0 [ 3433.235668][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3433.235668][ T74] ___sys_sendmsg+0xee/0x170 [ 3433.235668][ T74] __sys_sendmsg+0xcd/0x170 [ 3433.235668][ T74] do_syscall_64+0xc6/0x1e0 [ 3433.235668][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3433.235668][ T74] [ 3443.479980][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3443.480449][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3443.480449][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3443.480449][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3443.480449][ T74] fib6_nh_init+0xa22/0x1580 [ 3443.480449][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3443.480449][ T74] ip6_route_add+0x1c/0x140 [ 3443.480449][ T74] inet6_rtm_newroute+0x104/0x110 [ 3443.480449][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3443.480449][ T74] netlink_rcv_skb+0x130/0x360 [ 3443.480449][ T74] netlink_unicast+0x449/0x710 [ 3443.480449][ T74] netlink_sendmsg+0x723/0xbe0 [ 3443.480449][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3443.480449][ T74] ___sys_sendmsg+0xee/0x170 [ 3443.480449][ T74] __sys_sendmsg+0xcd/0x170 [ 3443.480449][ T74] do_syscall_64+0xc6/0x1e0 [ 3443.480449][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3443.480449][ T74] [ 3443.482413][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3443.482413][ T74] netdev_get_by_index+0x5e/0x80 [ 3443.482413][ T74] fib6_nh_init+0x3d8/0x1580 [ 3443.482413][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3443.482413][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3443.482413][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3443.482413][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3443.482413][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3443.482413][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3443.482413][ T74] addrconf_dad_begin+0x310/0x670 [ 3443.482413][ T74] addrconf_dad_work+0x10b/0xab0 [ 3443.482413][ T74] process_one_work+0x84d/0x18a0 [ 3443.482413][ T74] worker_thread+0x587/0xd30 [ 3443.482413][ T74] kthread+0x28a/0x350 [ 3443.482413][ T74] ret_from_fork+0x31/0x70 [ 3443.482413][ T74] ret_from_fork_asm+0x1a/0x30 [ 3443.482413][ T74] [ 3443.484361][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3443.484361][ T74] netdev_get_by_index+0x5e/0x80 [ 3443.484361][ T74] fib6_nh_init+0x3d8/0x1580 [ 3443.484361][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3443.484361][ T74] ip6_route_add+0x1c/0x140 [ 3443.484361][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3443.484361][ T74] inet6_addr_add+0x4f8/0xa40 [ 3443.484361][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3443.484361][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3443.484361][ T74] netlink_rcv_skb+0x130/0x360 [ 3443.484361][ T74] netlink_unicast+0x449/0x710 [ 3443.484361][ T74] netlink_sendmsg+0x723/0xbe0 [ 3443.484361][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3443.484361][ T74] ___sys_sendmsg+0xee/0x170 [ 3443.484361][ T74] __sys_sendmsg+0xcd/0x170 [ 3443.484361][ T74] do_syscall_64+0xc6/0x1e0 [ 3443.484361][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3443.484361][ T74] [ 3443.486382][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3443.486382][ T74] netdev_get_by_index+0x5e/0x80 [ 3443.486382][ T74] fib6_nh_init+0x3d8/0x1580 [ 3443.486382][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3443.486382][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3443.486382][ T74] ipv6_add_addr+0x411/0x2000 [ 3443.486382][ T74] inet6_addr_add+0x30e/0xa40 [ 3443.486382][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3443.486382][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3443.486382][ T74] netlink_rcv_skb+0x130/0x360 [ 3443.486382][ T74] netlink_unicast+0x449/0x710 [ 3443.486382][ T74] netlink_sendmsg+0x723/0xbe0 [ 3443.486382][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3443.486382][ T74] ___sys_sendmsg+0xee/0x170 [ 3443.486382][ T74] __sys_sendmsg+0xcd/0x170 [ 3443.486382][ T74] do_syscall_64+0xc6/0x1e0 [ 3443.486382][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3443.486382][ T74] [ 3443.488422][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3443.488422][ T74] netdev_get_by_index+0x5e/0x80 [ 3443.488422][ T74] fib6_nh_init+0x3d8/0x1580 [ 3443.488422][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3443.488422][ T74] ip6_route_add+0x1c/0x140 [ 3443.488422][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3443.488422][ T74] addrconf_add_dev+0xe2/0x170 [ 3443.488422][ T74] inet6_addr_add+0x12f/0xa40 [ 3443.488422][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3443.488422][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3443.488422][ T74] netlink_rcv_skb+0x130/0x360 [ 3443.488422][ T74] netlink_unicast+0x449/0x710 [ 3443.488422][ T74] netlink_sendmsg+0x723/0xbe0 [ 3443.488422][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3443.488422][ T74] ___sys_sendmsg+0xee/0x170 [ 3443.488422][ T74] __sys_sendmsg+0xcd/0x170 [ 3443.488422][ T74] do_syscall_64+0xc6/0x1e0 [ 3443.488422][ T74] [ 3443.490432][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3443.490432][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3443.490432][ T74] ipv6_find_idev+0x102/0x170 [ 3443.490432][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3443.490432][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3443.490432][ T74] netlink_rcv_skb+0x130/0x360 [ 3443.490432][ T74] netlink_unicast+0x449/0x710 [ 3443.490432][ T74] netlink_sendmsg+0x723/0xbe0 [ 3443.490432][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3443.490432][ T74] ___sys_sendmsg+0xee/0x170 [ 3443.490432][ T74] __sys_sendmsg+0xcd/0x170 [ 3443.490432][ T74] do_syscall_64+0xc6/0x1e0 [ 3443.490432][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3443.490432][ T74] [ 3443.491994][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3443.491994][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3443.491994][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3443.491994][ T74] ipv6_find_idev+0x102/0x170 [ 3443.491994][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3443.491994][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3443.491994][ T74] netlink_rcv_skb+0x130/0x360 [ 3443.491994][ T74] netlink_unicast+0x449/0x710 [ 3443.491994][ T74] netlink_sendmsg+0x723/0xbe0 [ 3443.491994][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3443.491994][ T74] ___sys_sendmsg+0xee/0x170 [ 3443.491994][ T74] __sys_sendmsg+0xcd/0x170 [ 3443.491994][ T74] do_syscall_64+0xc6/0x1e0 [ 3443.491994][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3443.491994][ T74] [ 3443.493735][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3443.494026][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3443.494026][ T74] dst_init+0x84/0x4a0 [ 3443.494026][ T74] dst_alloc+0x97/0x150 [ 3443.494026][ T74] ip6_dst_alloc+0x23/0x90 [ 3443.494026][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3443.494026][ T74] ip6_pol_route+0x56f/0x840 [ 3443.494026][ T74] fib6_rule_lookup+0x456/0x630 [ 3443.494026][ T74] ip6_route_input+0x59c/0xa50 [ 3443.494026][ T74] ipv6_rcv+0x397/0x810 [ 3443.494026][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3443.494026][ T74] process_backlog+0x101/0x620 [ 3443.494026][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3443.494026][ T74] net_rx_action+0x495/0xbe0 [ 3443.494026][ T74] __do_softirq+0x1b5/0x7f6 [ 3443.494026][ T74] [ 3443.495692][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3443.495692][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3443.495692][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3443.495692][ T74] fib6_nh_init+0xa22/0x1580 [ 3443.495692][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3443.495692][ T74] ip6_route_add+0x1c/0x140 [ 3443.495692][ T74] inet6_rtm_newroute+0x104/0x110 [ 3443.495692][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3443.495692][ T74] netlink_rcv_skb+0x130/0x360 [ 3443.495692][ T74] netlink_unicast+0x449/0x710 [ 3443.495692][ T74] netlink_sendmsg+0x723/0xbe0 [ 3443.495692][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3443.495692][ T74] ___sys_sendmsg+0xee/0x170 [ 3443.495692][ T74] __sys_sendmsg+0xcd/0x170 [ 3443.495692][ T74] do_syscall_64+0xc6/0x1e0 [ 3443.495692][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3443.495692][ T74] [ 3443.497611][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3443.497611][ T74] netdev_get_by_index+0x5e/0x80 [ 3443.497611][ T74] fib6_nh_init+0x3d8/0x1580 [ 3443.497611][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3443.497611][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3443.497611][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3443.497611][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3443.497611][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3443.497611][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3443.497611][ T74] addrconf_dad_begin+0x310/0x670 [ 3443.497611][ T74] addrconf_dad_work+0x10b/0xab0 [ 3443.497611][ T74] process_one_work+0x84d/0x18a0 [ 3443.497611][ T74] worker_thread+0x587/0xd30 [ 3443.497611][ T74] kthread+0x28a/0x350 [ 3443.497611][ T74] ret_from_fork+0x31/0x70 [ 3443.497611][ T74] ret_from_fork_asm+0x1a/0x30 [ 3443.497611][ T74] [ 3443.499541][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3443.499541][ T74] netdev_get_by_index+0x5e/0x80 [ 3443.499541][ T74] fib6_nh_init+0x3d8/0x1580 [ 3443.499541][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3443.499541][ T74] ip6_route_add+0x1c/0x140 [ 3443.499541][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3443.499541][ T74] inet6_addr_add+0x4f8/0xa40 [ 3443.499541][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3443.499541][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3443.499541][ T74] netlink_rcv_skb+0x130/0x360 [ 3443.499541][ T74] netlink_unicast+0x449/0x710 [ 3443.499541][ T74] netlink_sendmsg+0x723/0xbe0 [ 3443.499541][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3443.499541][ T74] ___sys_sendmsg+0xee/0x170 [ 3443.499541][ T74] __sys_sendmsg+0xcd/0x170 [ 3443.499541][ T74] do_syscall_64+0xc6/0x1e0 [ 3443.499541][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3443.499541][ T74] [ 3443.501568][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3443.501568][ T74] netdev_get_by_index+0x5e/0x80 [ 3443.501568][ T74] fib6_nh_init+0x3d8/0x1580 [ 3443.501568][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3443.501568][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3443.501568][ T74] ipv6_add_addr+0x411/0x2000 [ 3443.501568][ T74] inet6_addr_add+0x30e/0xa40 [ 3443.501568][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3443.501568][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3443.501568][ T74] netlink_rcv_skb+0x130/0x360 [ 3443.501568][ T74] netlink_unicast+0x449/0x710 [ 3443.501568][ T74] netlink_sendmsg+0x723/0xbe0 [ 3443.501568][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3443.501568][ T74] ___sys_sendmsg+0xee/0x170 [ 3443.501568][ T74] __sys_sendmsg+0xcd/0x170 [ 3443.501568][ T74] do_syscall_64+0xc6/0x1e0 [ 3443.501568][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3443.501568][ T74] [ 3443.503624][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3443.503624][ T74] netdev_get_by_index+0x5e/0x80 [ 3443.503624][ T74] fib6_nh_init+0x3d8/0x1580 [ 3443.503624][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3443.503624][ T74] ip6_route_add+0x1c/0x140 [ 3443.503624][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3443.503624][ T74] addrconf_add_dev+0xe2/0x170 [ 3443.503624][ T74] inet6_addr_add+0x12f/0xa40 [ 3443.503624][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3443.503624][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3443.503624][ T74] netlink_rcv_skb+0x130/0x360 [ 3443.503624][ T74] netlink_unicast+0x449/0x710 [ 3443.503624][ T74] netlink_sendmsg+0x723/0xbe0 [ 3443.503624][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3443.503624][ T74] ___sys_sendmsg+0xee/0x170 [ 3443.503624][ T74] __sys_sendmsg+0xcd/0x170 [ 3443.503624][ T74] do_syscall_64+0xc6/0x1e0 [ 3443.503624][ T74] [ 3443.505629][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3443.505629][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3443.505629][ T74] ipv6_find_idev+0x102/0x170 [ 3443.505629][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3443.505629][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3443.505629][ T74] netlink_rcv_skb+0x130/0x360 [ 3443.505629][ T74] netlink_unicast+0x449/0x710 [ 3443.505629][ T74] netlink_sendmsg+0x723/0xbe0 [ 3443.505629][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3443.505629][ T74] ___sys_sendmsg+0xee/0x170 [ 3443.505629][ T74] __sys_sendmsg+0xcd/0x170 [ 3443.505629][ T74] do_syscall_64+0xc6/0x1e0 [ 3443.505629][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3443.505629][ T74] [ 3443.507376][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3443.507376][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3443.507376][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3443.507376][ T74] ipv6_find_idev+0x102/0x170 [ 3443.507376][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3443.507376][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3443.507376][ T74] netlink_rcv_skb+0x130/0x360 [ 3443.507376][ T74] netlink_unicast+0x449/0x710 [ 3443.507376][ T74] netlink_sendmsg+0x723/0xbe0 [ 3443.507376][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3443.507376][ T74] ___sys_sendmsg+0xee/0x170 [ 3443.507376][ T74] __sys_sendmsg+0xcd/0x170 [ 3443.507376][ T74] do_syscall_64+0xc6/0x1e0 [ 3443.507376][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3443.507376][ T74] [ 3443.509267][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3443.509568][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3443.509568][ T74] netdev_get_by_index+0x5e/0x80 [ 3443.509568][ T74] fib6_nh_init+0x3d8/0x1580 [ 3443.509568][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3443.509568][ T74] ip6_route_add+0x1c/0x140 [ 3443.509568][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3443.509568][ T74] inet6_addr_add+0x4f8/0xa40 [ 3443.509568][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3443.509568][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3443.509568][ T74] netlink_rcv_skb+0x130/0x360 [ 3443.509568][ T74] netlink_unicast+0x449/0x710 [ 3443.509568][ T74] netlink_sendmsg+0x723/0xbe0 [ 3443.509568][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3443.509568][ T74] ___sys_sendmsg+0xee/0x170 [ 3443.509568][ T74] __sys_sendmsg+0xcd/0x170 [ 3443.509568][ T74] do_syscall_64+0xc6/0x1e0 [ 3443.509568][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3443.509568][ T74] [ 3443.511780][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3443.511780][ T74] netdev_get_by_index+0x5e/0x80 [ 3443.511780][ T74] fib6_nh_init+0x3d8/0x1580 [ 3443.511780][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3443.511780][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3443.511780][ T74] ipv6_add_addr+0x411/0x2000 [ 3443.511780][ T74] inet6_addr_add+0x30e/0xa40 [ 3443.511780][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3443.511780][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3443.511780][ T74] netlink_rcv_skb+0x130/0x360 [ 3443.511780][ T74] netlink_unicast+0x449/0x710 [ 3443.511780][ T74] netlink_sendmsg+0x723/0xbe0 [ 3443.511780][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3443.511780][ T74] ___sys_sendmsg+0xee/0x170 [ 3443.511780][ T74] __sys_sendmsg+0xcd/0x170 [ 3443.511780][ T74] do_syscall_64+0xc6/0x1e0 [ 3443.511780][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3443.511780][ T74] [ 3443.514131][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3443.514131][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3443.514131][ T74] ipv6_find_idev+0x102/0x170 [ 3443.514131][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3443.514131][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3443.514131][ T74] netlink_rcv_skb+0x130/0x360 [ 3443.514131][ T74] netlink_unicast+0x449/0x710 [ 3443.514131][ T74] netlink_sendmsg+0x723/0xbe0 [ 3443.514131][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3443.514131][ T74] ___sys_sendmsg+0xee/0x170 [ 3443.514131][ T74] __sys_sendmsg+0xcd/0x170 [ 3443.514131][ T74] do_syscall_64+0xc6/0x1e0 [ 3443.514131][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3443.514131][ T74] [ 3443.515873][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3443.515873][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3443.515873][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3443.515873][ T74] ipv6_find_idev+0x102/0x170 [ 3443.515873][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3443.515873][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3443.515873][ T74] netlink_rcv_skb+0x130/0x360 [ 3443.515873][ T74] netlink_unicast+0x449/0x710 [ 3443.515873][ T74] netlink_sendmsg+0x723/0xbe0 [ 3443.515873][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3443.515873][ T74] ___sys_sendmsg+0xee/0x170 [ 3443.515873][ T74] __sys_sendmsg+0xcd/0x170 [ 3443.515873][ T74] do_syscall_64+0xc6/0x1e0 [ 3443.515873][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3443.515873][ T74] [ 3453.759970][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3453.760422][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3453.760422][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3453.760422][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3453.760422][ T74] fib6_nh_init+0xa22/0x1580 [ 3453.760422][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3453.760422][ T74] ip6_route_add+0x1c/0x140 [ 3453.760422][ T74] inet6_rtm_newroute+0x104/0x110 [ 3453.760422][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3453.760422][ T74] netlink_rcv_skb+0x130/0x360 [ 3453.760422][ T74] netlink_unicast+0x449/0x710 [ 3453.760422][ T74] netlink_sendmsg+0x723/0xbe0 [ 3453.760422][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3453.760422][ T74] ___sys_sendmsg+0xee/0x170 [ 3453.760422][ T74] __sys_sendmsg+0xcd/0x170 [ 3453.760422][ T74] do_syscall_64+0xc6/0x1e0 [ 3453.760422][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3453.760422][ T74] [ 3453.762382][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3453.762382][ T74] netdev_get_by_index+0x5e/0x80 [ 3453.762382][ T74] fib6_nh_init+0x3d8/0x1580 [ 3453.762382][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3453.762382][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3453.762382][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3453.762382][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3453.762382][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3453.762382][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3453.762382][ T74] addrconf_dad_begin+0x310/0x670 [ 3453.762382][ T74] addrconf_dad_work+0x10b/0xab0 [ 3453.762382][ T74] process_one_work+0x84d/0x18a0 [ 3453.762382][ T74] worker_thread+0x587/0xd30 [ 3453.762382][ T74] kthread+0x28a/0x350 [ 3453.762382][ T74] ret_from_fork+0x31/0x70 [ 3453.762382][ T74] ret_from_fork_asm+0x1a/0x30 [ 3453.762382][ T74] [ 3453.764320][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3453.764320][ T74] netdev_get_by_index+0x5e/0x80 [ 3453.764320][ T74] fib6_nh_init+0x3d8/0x1580 [ 3453.764320][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3453.764320][ T74] ip6_route_add+0x1c/0x140 [ 3453.764320][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3453.764320][ T74] inet6_addr_add+0x4f8/0xa40 [ 3453.764320][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3453.764320][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3453.764320][ T74] netlink_rcv_skb+0x130/0x360 [ 3453.764320][ T74] netlink_unicast+0x449/0x710 [ 3453.764320][ T74] netlink_sendmsg+0x723/0xbe0 [ 3453.764320][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3453.764320][ T74] ___sys_sendmsg+0xee/0x170 [ 3453.764320][ T74] __sys_sendmsg+0xcd/0x170 [ 3453.764320][ T74] do_syscall_64+0xc6/0x1e0 [ 3453.764320][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3453.764320][ T74] [ 3453.766354][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3453.766354][ T74] netdev_get_by_index+0x5e/0x80 [ 3453.766354][ T74] fib6_nh_init+0x3d8/0x1580 [ 3453.766354][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3453.766354][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3453.766354][ T74] ipv6_add_addr+0x411/0x2000 [ 3453.766354][ T74] inet6_addr_add+0x30e/0xa40 [ 3453.766354][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3453.766354][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3453.766354][ T74] netlink_rcv_skb+0x130/0x360 [ 3453.766354][ T74] netlink_unicast+0x449/0x710 [ 3453.766354][ T74] netlink_sendmsg+0x723/0xbe0 [ 3453.766354][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3453.766354][ T74] ___sys_sendmsg+0xee/0x170 [ 3453.766354][ T74] __sys_sendmsg+0xcd/0x170 [ 3453.766354][ T74] do_syscall_64+0xc6/0x1e0 [ 3453.766354][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3453.766354][ T74] [ 3453.768379][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3453.768379][ T74] netdev_get_by_index+0x5e/0x80 [ 3453.768379][ T74] fib6_nh_init+0x3d8/0x1580 [ 3453.768379][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3453.768379][ T74] ip6_route_add+0x1c/0x140 [ 3453.768379][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3453.768379][ T74] addrconf_add_dev+0xe2/0x170 [ 3453.768379][ T74] inet6_addr_add+0x12f/0xa40 [ 3453.768379][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3453.768379][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3453.768379][ T74] netlink_rcv_skb+0x130/0x360 [ 3453.768379][ T74] netlink_unicast+0x449/0x710 [ 3453.768379][ T74] netlink_sendmsg+0x723/0xbe0 [ 3453.768379][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3453.768379][ T74] ___sys_sendmsg+0xee/0x170 [ 3453.768379][ T74] __sys_sendmsg+0xcd/0x170 [ 3453.768379][ T74] do_syscall_64+0xc6/0x1e0 [ 3453.768379][ T74] [ 3453.770366][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3453.770366][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3453.770366][ T74] ipv6_find_idev+0x102/0x170 [ 3453.770366][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3453.770366][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3453.770366][ T74] netlink_rcv_skb+0x130/0x360 [ 3453.770366][ T74] netlink_unicast+0x449/0x710 [ 3453.770366][ T74] netlink_sendmsg+0x723/0xbe0 [ 3453.770366][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3453.770366][ T74] ___sys_sendmsg+0xee/0x170 [ 3453.770366][ T74] __sys_sendmsg+0xcd/0x170 [ 3453.770366][ T74] do_syscall_64+0xc6/0x1e0 [ 3453.770366][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3453.770366][ T74] [ 3453.772034][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3453.772034][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3453.772034][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3453.772034][ T74] ipv6_find_idev+0x102/0x170 [ 3453.772034][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3453.772034][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3453.772034][ T74] netlink_rcv_skb+0x130/0x360 [ 3453.772034][ T74] netlink_unicast+0x449/0x710 [ 3453.772034][ T74] netlink_sendmsg+0x723/0xbe0 [ 3453.772034][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3453.772034][ T74] ___sys_sendmsg+0xee/0x170 [ 3453.772034][ T74] __sys_sendmsg+0xcd/0x170 [ 3453.772034][ T74] do_syscall_64+0xc6/0x1e0 [ 3453.772034][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3453.772034][ T74] [ 3453.773763][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3453.774053][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3453.774053][ T74] dst_init+0x84/0x4a0 [ 3453.774053][ T74] dst_alloc+0x97/0x150 [ 3453.774053][ T74] ip6_dst_alloc+0x23/0x90 [ 3453.774053][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3453.774053][ T74] ip6_pol_route+0x56f/0x840 [ 3453.774053][ T74] fib6_rule_lookup+0x456/0x630 [ 3453.774053][ T74] ip6_route_input+0x59c/0xa50 [ 3453.774053][ T74] ipv6_rcv+0x397/0x810 [ 3453.774053][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3453.774053][ T74] process_backlog+0x101/0x620 [ 3453.774053][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3453.774053][ T74] net_rx_action+0x495/0xbe0 [ 3453.774053][ T74] __do_softirq+0x1b5/0x7f6 [ 3453.774053][ T74] [ 3453.775707][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3453.775707][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3453.775707][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3453.775707][ T74] fib6_nh_init+0xa22/0x1580 [ 3453.775707][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3453.775707][ T74] ip6_route_add+0x1c/0x140 [ 3453.775707][ T74] inet6_rtm_newroute+0x104/0x110 [ 3453.775707][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3453.775707][ T74] netlink_rcv_skb+0x130/0x360 [ 3453.775707][ T74] netlink_unicast+0x449/0x710 [ 3453.775707][ T74] netlink_sendmsg+0x723/0xbe0 [ 3453.775707][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3453.775707][ T74] ___sys_sendmsg+0xee/0x170 [ 3453.775707][ T74] __sys_sendmsg+0xcd/0x170 [ 3453.775707][ T74] do_syscall_64+0xc6/0x1e0 [ 3453.775707][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3453.775707][ T74] [ 3453.777613][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3453.777613][ T74] netdev_get_by_index+0x5e/0x80 [ 3453.777613][ T74] fib6_nh_init+0x3d8/0x1580 [ 3453.777613][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3453.777613][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3453.777613][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3453.777613][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3453.777613][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3453.777613][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3453.777613][ T74] addrconf_dad_begin+0x310/0x670 [ 3453.777613][ T74] addrconf_dad_work+0x10b/0xab0 [ 3453.777613][ T74] process_one_work+0x84d/0x18a0 [ 3453.777613][ T74] worker_thread+0x587/0xd30 [ 3453.777613][ T74] kthread+0x28a/0x350 [ 3453.777613][ T74] ret_from_fork+0x31/0x70 [ 3453.777613][ T74] ret_from_fork_asm+0x1a/0x30 [ 3453.777613][ T74] [ 3453.779546][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3453.779546][ T74] netdev_get_by_index+0x5e/0x80 [ 3453.779546][ T74] fib6_nh_init+0x3d8/0x1580 [ 3453.779546][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3453.779546][ T74] ip6_route_add+0x1c/0x140 [ 3453.779546][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3453.779546][ T74] inet6_addr_add+0x4f8/0xa40 [ 3453.779546][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3453.779546][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3453.779546][ T74] netlink_rcv_skb+0x130/0x360 [ 3453.779546][ T74] netlink_unicast+0x449/0x710 [ 3453.779546][ T74] netlink_sendmsg+0x723/0xbe0 [ 3453.779546][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3453.779546][ T74] ___sys_sendmsg+0xee/0x170 [ 3453.779546][ T74] __sys_sendmsg+0xcd/0x170 [ 3453.779546][ T74] do_syscall_64+0xc6/0x1e0 [ 3453.779546][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3453.779546][ T74] [ 3453.781572][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3453.781572][ T74] netdev_get_by_index+0x5e/0x80 [ 3453.781572][ T74] fib6_nh_init+0x3d8/0x1580 [ 3453.781572][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3453.781572][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3453.781572][ T74] ipv6_add_addr+0x411/0x2000 [ 3453.781572][ T74] inet6_addr_add+0x30e/0xa40 [ 3453.781572][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3453.781572][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3453.781572][ T74] netlink_rcv_skb+0x130/0x360 [ 3453.781572][ T74] netlink_unicast+0x449/0x710 [ 3453.781572][ T74] netlink_sendmsg+0x723/0xbe0 [ 3453.781572][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3453.781572][ T74] ___sys_sendmsg+0xee/0x170 [ 3453.781572][ T74] __sys_sendmsg+0xcd/0x170 [ 3453.781572][ T74] do_syscall_64+0xc6/0x1e0 [ 3453.781572][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3453.781572][ T74] [ 3453.783585][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3453.783585][ T74] netdev_get_by_index+0x5e/0x80 [ 3453.783585][ T74] fib6_nh_init+0x3d8/0x1580 [ 3453.783585][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3453.783585][ T74] ip6_route_add+0x1c/0x140 [ 3453.783585][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3453.783585][ T74] addrconf_add_dev+0xe2/0x170 [ 3453.783585][ T74] inet6_addr_add+0x12f/0xa40 [ 3453.783585][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3453.783585][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3453.783585][ T74] netlink_rcv_skb+0x130/0x360 [ 3453.783585][ T74] netlink_unicast+0x449/0x710 [ 3453.783585][ T74] netlink_sendmsg+0x723/0xbe0 [ 3453.783585][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3453.783585][ T74] ___sys_sendmsg+0xee/0x170 [ 3453.783585][ T74] __sys_sendmsg+0xcd/0x170 [ 3453.783585][ T74] do_syscall_64+0xc6/0x1e0 [ 3453.783585][ T74] [ 3453.785567][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3453.785567][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3453.785567][ T74] ipv6_find_idev+0x102/0x170 [ 3453.785567][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3453.785567][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3453.785567][ T74] netlink_rcv_skb+0x130/0x360 [ 3453.785567][ T74] netlink_unicast+0x449/0x710 [ 3453.785567][ T74] netlink_sendmsg+0x723/0xbe0 [ 3453.785567][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3453.785567][ T74] ___sys_sendmsg+0xee/0x170 [ 3453.785567][ T74] __sys_sendmsg+0xcd/0x170 [ 3453.785567][ T74] do_syscall_64+0xc6/0x1e0 [ 3453.785567][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3453.785567][ T74] [ 3453.787327][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3453.787327][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3453.787327][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3453.787327][ T74] ipv6_find_idev+0x102/0x170 [ 3453.787327][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3453.787327][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3453.787327][ T74] netlink_rcv_skb+0x130/0x360 [ 3453.787327][ T74] netlink_unicast+0x449/0x710 [ 3453.787327][ T74] netlink_sendmsg+0x723/0xbe0 [ 3453.787327][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3453.787327][ T74] ___sys_sendmsg+0xee/0x170 [ 3453.787327][ T74] __sys_sendmsg+0xcd/0x170 [ 3453.787327][ T74] do_syscall_64+0xc6/0x1e0 [ 3453.787327][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3453.787327][ T74] [ 3453.789209][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3453.789446][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3453.789446][ T74] netdev_get_by_index+0x5e/0x80 [ 3453.789446][ T74] fib6_nh_init+0x3d8/0x1580 [ 3453.789446][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3453.789446][ T74] ip6_route_add+0x1c/0x140 [ 3453.789446][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3453.789446][ T74] inet6_addr_add+0x4f8/0xa40 [ 3453.789446][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3453.789446][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3453.789446][ T74] netlink_rcv_skb+0x130/0x360 [ 3453.789446][ T74] netlink_unicast+0x449/0x710 [ 3453.789446][ T74] netlink_sendmsg+0x723/0xbe0 [ 3453.789446][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3453.789446][ T74] ___sys_sendmsg+0xee/0x170 [ 3453.789446][ T74] __sys_sendmsg+0xcd/0x170 [ 3453.789446][ T74] do_syscall_64+0xc6/0x1e0 [ 3453.789446][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3453.789446][ T74] [ 3453.791727][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3453.791727][ T74] netdev_get_by_index+0x5e/0x80 [ 3453.791727][ T74] fib6_nh_init+0x3d8/0x1580 [ 3453.791727][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3453.791727][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3453.791727][ T74] ipv6_add_addr+0x411/0x2000 [ 3453.791727][ T74] inet6_addr_add+0x30e/0xa40 [ 3453.791727][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3453.791727][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3453.791727][ T74] netlink_rcv_skb+0x130/0x360 [ 3453.791727][ T74] netlink_unicast+0x449/0x710 [ 3453.791727][ T74] netlink_sendmsg+0x723/0xbe0 [ 3453.791727][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3453.791727][ T74] ___sys_sendmsg+0xee/0x170 [ 3453.791727][ T74] __sys_sendmsg+0xcd/0x170 [ 3453.791727][ T74] do_syscall_64+0xc6/0x1e0 [ 3453.791727][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3453.791727][ T74] [ 3453.793993][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3453.793993][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3453.793993][ T74] ipv6_find_idev+0x102/0x170 [ 3453.793993][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3453.793993][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3453.793993][ T74] netlink_rcv_skb+0x130/0x360 [ 3453.793993][ T74] netlink_unicast+0x449/0x710 [ 3453.793993][ T74] netlink_sendmsg+0x723/0xbe0 [ 3453.793993][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3453.793993][ T74] ___sys_sendmsg+0xee/0x170 [ 3453.793993][ T74] __sys_sendmsg+0xcd/0x170 [ 3453.793993][ T74] do_syscall_64+0xc6/0x1e0 [ 3453.793993][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3453.793993][ T74] [ 3453.795730][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3453.795730][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3453.795730][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3453.795730][ T74] ipv6_find_idev+0x102/0x170 [ 3453.795730][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3453.795730][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3453.795730][ T74] netlink_rcv_skb+0x130/0x360 [ 3453.795730][ T74] netlink_unicast+0x449/0x710 [ 3453.795730][ T74] netlink_sendmsg+0x723/0xbe0 [ 3453.795730][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3453.795730][ T74] ___sys_sendmsg+0xee/0x170 [ 3453.795730][ T74] __sys_sendmsg+0xcd/0x170 [ 3453.795730][ T74] do_syscall_64+0xc6/0x1e0 [ 3453.795730][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3453.795730][ T74] [ 3463.871961][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3463.872392][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3463.872392][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3463.872392][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3463.872392][ T74] fib6_nh_init+0xa22/0x1580 [ 3463.872392][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3463.872392][ T74] ip6_route_add+0x1c/0x140 [ 3463.872392][ T74] inet6_rtm_newroute+0x104/0x110 [ 3463.872392][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3463.872392][ T74] netlink_rcv_skb+0x130/0x360 [ 3463.872392][ T74] netlink_unicast+0x449/0x710 [ 3463.872392][ T74] netlink_sendmsg+0x723/0xbe0 [ 3463.872392][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3463.872392][ T74] ___sys_sendmsg+0xee/0x170 [ 3463.872392][ T74] __sys_sendmsg+0xcd/0x170 [ 3463.872392][ T74] do_syscall_64+0xc6/0x1e0 [ 3463.872392][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3463.872392][ T74] [ 3463.874337][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3463.874337][ T74] netdev_get_by_index+0x5e/0x80 [ 3463.874337][ T74] fib6_nh_init+0x3d8/0x1580 [ 3463.874337][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3463.874337][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3463.874337][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3463.874337][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3463.874337][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3463.874337][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3463.874337][ T74] addrconf_dad_begin+0x310/0x670 [ 3463.874337][ T74] addrconf_dad_work+0x10b/0xab0 [ 3463.874337][ T74] process_one_work+0x84d/0x18a0 [ 3463.874337][ T74] worker_thread+0x587/0xd30 [ 3463.874337][ T74] kthread+0x28a/0x350 [ 3463.874337][ T74] ret_from_fork+0x31/0x70 [ 3463.874337][ T74] ret_from_fork_asm+0x1a/0x30 [ 3463.874337][ T74] [ 3463.876271][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3463.876271][ T74] netdev_get_by_index+0x5e/0x80 [ 3463.876271][ T74] fib6_nh_init+0x3d8/0x1580 [ 3463.876271][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3463.876271][ T74] ip6_route_add+0x1c/0x140 [ 3463.876271][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3463.876271][ T74] inet6_addr_add+0x4f8/0xa40 [ 3463.876271][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3463.876271][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3463.876271][ T74] netlink_rcv_skb+0x130/0x360 [ 3463.876271][ T74] netlink_unicast+0x449/0x710 [ 3463.876271][ T74] netlink_sendmsg+0x723/0xbe0 [ 3463.876271][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3463.876271][ T74] ___sys_sendmsg+0xee/0x170 [ 3463.876271][ T74] __sys_sendmsg+0xcd/0x170 [ 3463.876271][ T74] do_syscall_64+0xc6/0x1e0 [ 3463.876271][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3463.876271][ T74] [ 3463.878283][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3463.878283][ T74] netdev_get_by_index+0x5e/0x80 [ 3463.878283][ T74] fib6_nh_init+0x3d8/0x1580 [ 3463.878283][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3463.878283][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3463.878283][ T74] ipv6_add_addr+0x411/0x2000 [ 3463.878283][ T74] inet6_addr_add+0x30e/0xa40 [ 3463.878283][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3463.878283][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3463.878283][ T74] netlink_rcv_skb+0x130/0x360 [ 3463.878283][ T74] netlink_unicast+0x449/0x710 [ 3463.878283][ T74] netlink_sendmsg+0x723/0xbe0 [ 3463.878283][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3463.878283][ T74] ___sys_sendmsg+0xee/0x170 [ 3463.878283][ T74] __sys_sendmsg+0xcd/0x170 [ 3463.878283][ T74] do_syscall_64+0xc6/0x1e0 [ 3463.878283][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3463.878283][ T74] [ 3463.880288][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3463.880288][ T74] netdev_get_by_index+0x5e/0x80 [ 3463.880288][ T74] fib6_nh_init+0x3d8/0x1580 [ 3463.880288][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3463.880288][ T74] ip6_route_add+0x1c/0x140 [ 3463.880288][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3463.880288][ T74] addrconf_add_dev+0xe2/0x170 [ 3463.880288][ T74] inet6_addr_add+0x12f/0xa40 [ 3463.880288][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3463.880288][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3463.880288][ T74] netlink_rcv_skb+0x130/0x360 [ 3463.880288][ T74] netlink_unicast+0x449/0x710 [ 3463.880288][ T74] netlink_sendmsg+0x723/0xbe0 [ 3463.880288][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3463.880288][ T74] ___sys_sendmsg+0xee/0x170 [ 3463.880288][ T74] __sys_sendmsg+0xcd/0x170 [ 3463.880288][ T74] do_syscall_64+0xc6/0x1e0 [ 3463.880288][ T74] [ 3463.882278][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3463.882278][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3463.882278][ T74] ipv6_find_idev+0x102/0x170 [ 3463.882278][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3463.882278][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3463.882278][ T74] netlink_rcv_skb+0x130/0x360 [ 3463.882278][ T74] netlink_unicast+0x449/0x710 [ 3463.882278][ T74] netlink_sendmsg+0x723/0xbe0 [ 3463.882278][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3463.882278][ T74] ___sys_sendmsg+0xee/0x170 [ 3463.882278][ T74] __sys_sendmsg+0xcd/0x170 [ 3463.882278][ T74] do_syscall_64+0xc6/0x1e0 [ 3463.882278][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3463.882278][ T74] [ 3463.883826][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3463.883826][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3463.883826][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3463.883826][ T74] ipv6_find_idev+0x102/0x170 [ 3463.883826][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3463.883826][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3463.883826][ T74] netlink_rcv_skb+0x130/0x360 [ 3463.883826][ T74] netlink_unicast+0x449/0x710 [ 3463.883826][ T74] netlink_sendmsg+0x723/0xbe0 [ 3463.883826][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3463.883826][ T74] ___sys_sendmsg+0xee/0x170 [ 3463.883826][ T74] __sys_sendmsg+0xcd/0x170 [ 3463.883826][ T74] do_syscall_64+0xc6/0x1e0 [ 3463.883826][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3463.883826][ T74] [ 3463.885536][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3463.885845][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3463.885845][ T74] dst_init+0x84/0x4a0 [ 3463.885845][ T74] dst_alloc+0x97/0x150 [ 3463.885845][ T74] ip6_dst_alloc+0x23/0x90 [ 3463.885845][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3463.885845][ T74] ip6_pol_route+0x56f/0x840 [ 3463.885845][ T74] fib6_rule_lookup+0x456/0x630 [ 3463.885845][ T74] ip6_route_input+0x59c/0xa50 [ 3463.885845][ T74] ipv6_rcv+0x397/0x810 [ 3463.885845][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3463.885845][ T74] process_backlog+0x101/0x620 [ 3463.885845][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3463.885845][ T74] net_rx_action+0x495/0xbe0 [ 3463.885845][ T74] __do_softirq+0x1b5/0x7f6 [ 3463.885845][ T74] [ 3463.887494][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3463.887494][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3463.887494][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3463.887494][ T74] fib6_nh_init+0xa22/0x1580 [ 3463.887494][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3463.887494][ T74] ip6_route_add+0x1c/0x140 [ 3463.887494][ T74] inet6_rtm_newroute+0x104/0x110 [ 3463.887494][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3463.887494][ T74] netlink_rcv_skb+0x130/0x360 [ 3463.887494][ T74] netlink_unicast+0x449/0x710 [ 3463.887494][ T74] netlink_sendmsg+0x723/0xbe0 [ 3463.887494][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3463.887494][ T74] ___sys_sendmsg+0xee/0x170 [ 3463.887494][ T74] __sys_sendmsg+0xcd/0x170 [ 3463.887494][ T74] do_syscall_64+0xc6/0x1e0 [ 3463.887494][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3463.887494][ T74] [ 3463.889428][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3463.889428][ T74] netdev_get_by_index+0x5e/0x80 [ 3463.889428][ T74] fib6_nh_init+0x3d8/0x1580 [ 3463.889428][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3463.889428][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3463.889428][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3463.889428][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3463.889428][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3463.889428][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3463.889428][ T74] addrconf_dad_begin+0x310/0x670 [ 3463.889428][ T74] addrconf_dad_work+0x10b/0xab0 [ 3463.889428][ T74] process_one_work+0x84d/0x18a0 [ 3463.889428][ T74] worker_thread+0x587/0xd30 [ 3463.889428][ T74] kthread+0x28a/0x350 [ 3463.889428][ T74] ret_from_fork+0x31/0x70 [ 3463.889428][ T74] ret_from_fork_asm+0x1a/0x30 [ 3463.889428][ T74] [ 3463.891350][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3463.891350][ T74] netdev_get_by_index+0x5e/0x80 [ 3463.891350][ T74] fib6_nh_init+0x3d8/0x1580 [ 3463.891350][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3463.891350][ T74] ip6_route_add+0x1c/0x140 [ 3463.891350][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3463.891350][ T74] inet6_addr_add+0x4f8/0xa40 [ 3463.891350][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3463.891350][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3463.891350][ T74] netlink_rcv_skb+0x130/0x360 [ 3463.891350][ T74] netlink_unicast+0x449/0x710 [ 3463.891350][ T74] netlink_sendmsg+0x723/0xbe0 [ 3463.891350][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3463.891350][ T74] ___sys_sendmsg+0xee/0x170 [ 3463.891350][ T74] __sys_sendmsg+0xcd/0x170 [ 3463.891350][ T74] do_syscall_64+0xc6/0x1e0 [ 3463.891350][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3463.891350][ T74] [ 3463.893367][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3463.893367][ T74] netdev_get_by_index+0x5e/0x80 [ 3463.893367][ T74] fib6_nh_init+0x3d8/0x1580 [ 3463.893367][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3463.893367][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3463.893367][ T74] ipv6_add_addr+0x411/0x2000 [ 3463.893367][ T74] inet6_addr_add+0x30e/0xa40 [ 3463.893367][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3463.893367][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3463.893367][ T74] netlink_rcv_skb+0x130/0x360 [ 3463.893367][ T74] netlink_unicast+0x449/0x710 [ 3463.893367][ T74] netlink_sendmsg+0x723/0xbe0 [ 3463.893367][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3463.893367][ T74] ___sys_sendmsg+0xee/0x170 [ 3463.893367][ T74] __sys_sendmsg+0xcd/0x170 [ 3463.893367][ T74] do_syscall_64+0xc6/0x1e0 [ 3463.893367][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3463.893367][ T74] [ 3463.895382][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3463.895382][ T74] netdev_get_by_index+0x5e/0x80 [ 3463.895382][ T74] fib6_nh_init+0x3d8/0x1580 [ 3463.895382][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3463.895382][ T74] ip6_route_add+0x1c/0x140 [ 3463.895382][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3463.895382][ T74] addrconf_add_dev+0xe2/0x170 [ 3463.895382][ T74] inet6_addr_add+0x12f/0xa40 [ 3463.895382][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3463.895382][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3463.895382][ T74] netlink_rcv_skb+0x130/0x360 [ 3463.895382][ T74] netlink_unicast+0x449/0x710 [ 3463.895382][ T74] netlink_sendmsg+0x723/0xbe0 [ 3463.895382][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3463.895382][ T74] ___sys_sendmsg+0xee/0x170 [ 3463.895382][ T74] __sys_sendmsg+0xcd/0x170 [ 3463.895382][ T74] do_syscall_64+0xc6/0x1e0 [ 3463.895382][ T74] [ 3463.897357][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3463.897357][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3463.897357][ T74] ipv6_find_idev+0x102/0x170 [ 3463.897357][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3463.897357][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3463.897357][ T74] netlink_rcv_skb+0x130/0x360 [ 3463.897357][ T74] netlink_unicast+0x449/0x710 [ 3463.897357][ T74] netlink_sendmsg+0x723/0xbe0 [ 3463.897357][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3463.897357][ T74] ___sys_sendmsg+0xee/0x170 [ 3463.897357][ T74] __sys_sendmsg+0xcd/0x170 [ 3463.897357][ T74] do_syscall_64+0xc6/0x1e0 [ 3463.897357][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3463.897357][ T74] [ 3463.899088][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3463.899088][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3463.899088][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3463.899088][ T74] ipv6_find_idev+0x102/0x170 [ 3463.899088][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3463.899088][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3463.899088][ T74] netlink_rcv_skb+0x130/0x360 [ 3463.899088][ T74] netlink_unicast+0x449/0x710 [ 3463.899088][ T74] netlink_sendmsg+0x723/0xbe0 [ 3463.899088][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3463.899088][ T74] ___sys_sendmsg+0xee/0x170 [ 3463.899088][ T74] __sys_sendmsg+0xcd/0x170 [ 3463.899088][ T74] do_syscall_64+0xc6/0x1e0 [ 3463.899088][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3463.899088][ T74] [ 3463.901041][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3463.901298][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3463.901298][ T74] netdev_get_by_index+0x5e/0x80 [ 3463.901298][ T74] fib6_nh_init+0x3d8/0x1580 [ 3463.901298][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3463.901298][ T74] ip6_route_add+0x1c/0x140 [ 3463.901298][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3463.901298][ T74] inet6_addr_add+0x4f8/0xa40 [ 3463.901298][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3463.901298][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3463.901298][ T74] netlink_rcv_skb+0x130/0x360 [ 3463.901298][ T74] netlink_unicast+0x449/0x710 [ 3463.901298][ T74] netlink_sendmsg+0x723/0xbe0 [ 3463.901298][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3463.901298][ T74] ___sys_sendmsg+0xee/0x170 [ 3463.901298][ T74] __sys_sendmsg+0xcd/0x170 [ 3463.901298][ T74] do_syscall_64+0xc6/0x1e0 [ 3463.901298][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3463.901298][ T74] [ 3463.903570][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3463.903570][ T74] netdev_get_by_index+0x5e/0x80 [ 3463.903570][ T74] fib6_nh_init+0x3d8/0x1580 [ 3463.903570][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3463.903570][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3463.903570][ T74] ipv6_add_addr+0x411/0x2000 [ 3463.903570][ T74] inet6_addr_add+0x30e/0xa40 [ 3463.903570][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3463.903570][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3463.903570][ T74] netlink_rcv_skb+0x130/0x360 [ 3463.903570][ T74] netlink_unicast+0x449/0x710 [ 3463.903570][ T74] netlink_sendmsg+0x723/0xbe0 [ 3463.903570][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3463.903570][ T74] ___sys_sendmsg+0xee/0x170 [ 3463.903570][ T74] __sys_sendmsg+0xcd/0x170 [ 3463.903570][ T74] do_syscall_64+0xc6/0x1e0 [ 3463.903570][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3463.903570][ T74] [ 3463.905835][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3463.905835][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3463.905835][ T74] ipv6_find_idev+0x102/0x170 [ 3463.905835][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3463.905835][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3463.905835][ T74] netlink_rcv_skb+0x130/0x360 [ 3463.905835][ T74] netlink_unicast+0x449/0x710 [ 3463.905835][ T74] netlink_sendmsg+0x723/0xbe0 [ 3463.905835][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3463.905835][ T74] ___sys_sendmsg+0xee/0x170 [ 3463.905835][ T74] __sys_sendmsg+0xcd/0x170 [ 3463.905835][ T74] do_syscall_64+0xc6/0x1e0 [ 3463.905835][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3463.905835][ T74] [ 3463.907573][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3463.907573][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3463.907573][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3463.907573][ T74] ipv6_find_idev+0x102/0x170 [ 3463.907573][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3463.907573][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3463.907573][ T74] netlink_rcv_skb+0x130/0x360 [ 3463.907573][ T74] netlink_unicast+0x449/0x710 [ 3463.907573][ T74] netlink_sendmsg+0x723/0xbe0 [ 3463.907573][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3463.907573][ T74] ___sys_sendmsg+0xee/0x170 [ 3463.907573][ T74] __sys_sendmsg+0xcd/0x170 [ 3463.907573][ T74] do_syscall_64+0xc6/0x1e0 [ 3463.907573][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3463.907573][ T74] [ 3474.127993][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3474.128362][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3474.128362][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3474.128362][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3474.128362][ T74] fib6_nh_init+0xa22/0x1580 [ 3474.128362][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3474.128362][ T74] ip6_route_add+0x1c/0x140 [ 3474.128362][ T74] inet6_rtm_newroute+0x104/0x110 [ 3474.128362][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3474.128362][ T74] netlink_rcv_skb+0x130/0x360 [ 3474.128362][ T74] netlink_unicast+0x449/0x710 [ 3474.128362][ T74] netlink_sendmsg+0x723/0xbe0 [ 3474.128362][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3474.128362][ T74] ___sys_sendmsg+0xee/0x170 [ 3474.128362][ T74] __sys_sendmsg+0xcd/0x170 [ 3474.128362][ T74] do_syscall_64+0xc6/0x1e0 [ 3474.128362][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3474.128362][ T74] [ 3474.130307][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3474.130307][ T74] netdev_get_by_index+0x5e/0x80 [ 3474.130307][ T74] fib6_nh_init+0x3d8/0x1580 [ 3474.130307][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3474.130307][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3474.130307][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3474.130307][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3474.130307][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3474.130307][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3474.130307][ T74] addrconf_dad_begin+0x310/0x670 [ 3474.130307][ T74] addrconf_dad_work+0x10b/0xab0 [ 3474.130307][ T74] process_one_work+0x84d/0x18a0 [ 3474.130307][ T74] worker_thread+0x587/0xd30 [ 3474.130307][ T74] kthread+0x28a/0x350 [ 3474.130307][ T74] ret_from_fork+0x31/0x70 [ 3474.130307][ T74] ret_from_fork_asm+0x1a/0x30 [ 3474.130307][ T74] [ 3474.132261][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3474.132261][ T74] netdev_get_by_index+0x5e/0x80 [ 3474.132261][ T74] fib6_nh_init+0x3d8/0x1580 [ 3474.132261][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3474.132261][ T74] ip6_route_add+0x1c/0x140 [ 3474.132261][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3474.132261][ T74] inet6_addr_add+0x4f8/0xa40 [ 3474.132261][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3474.132261][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3474.132261][ T74] netlink_rcv_skb+0x130/0x360 [ 3474.132261][ T74] netlink_unicast+0x449/0x710 [ 3474.132261][ T74] netlink_sendmsg+0x723/0xbe0 [ 3474.132261][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3474.132261][ T74] ___sys_sendmsg+0xee/0x170 [ 3474.132261][ T74] __sys_sendmsg+0xcd/0x170 [ 3474.132261][ T74] do_syscall_64+0xc6/0x1e0 [ 3474.132261][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3474.132261][ T74] [ 3474.134307][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3474.134307][ T74] netdev_get_by_index+0x5e/0x80 [ 3474.134307][ T74] fib6_nh_init+0x3d8/0x1580 [ 3474.134307][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3474.134307][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3474.134307][ T74] ipv6_add_addr+0x411/0x2000 [ 3474.134307][ T74] inet6_addr_add+0x30e/0xa40 [ 3474.134307][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3474.134307][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3474.134307][ T74] netlink_rcv_skb+0x130/0x360 [ 3474.134307][ T74] netlink_unicast+0x449/0x710 [ 3474.134307][ T74] netlink_sendmsg+0x723/0xbe0 [ 3474.134307][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3474.134307][ T74] ___sys_sendmsg+0xee/0x170 [ 3474.134307][ T74] __sys_sendmsg+0xcd/0x170 [ 3474.134307][ T74] do_syscall_64+0xc6/0x1e0 [ 3474.134307][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3474.134307][ T74] [ 3474.136321][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3474.136321][ T74] netdev_get_by_index+0x5e/0x80 [ 3474.136321][ T74] fib6_nh_init+0x3d8/0x1580 [ 3474.136321][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3474.136321][ T74] ip6_route_add+0x1c/0x140 [ 3474.136321][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3474.136321][ T74] addrconf_add_dev+0xe2/0x170 [ 3474.136321][ T74] inet6_addr_add+0x12f/0xa40 [ 3474.136321][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3474.136321][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3474.136321][ T74] netlink_rcv_skb+0x130/0x360 [ 3474.136321][ T74] netlink_unicast+0x449/0x710 [ 3474.136321][ T74] netlink_sendmsg+0x723/0xbe0 [ 3474.136321][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3474.136321][ T74] ___sys_sendmsg+0xee/0x170 [ 3474.136321][ T74] __sys_sendmsg+0xcd/0x170 [ 3474.136321][ T74] do_syscall_64+0xc6/0x1e0 [ 3474.136321][ T74] [ 3474.138308][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3474.138308][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3474.138308][ T74] ipv6_find_idev+0x102/0x170 [ 3474.138308][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3474.138308][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3474.138308][ T74] netlink_rcv_skb+0x130/0x360 [ 3474.138308][ T74] netlink_unicast+0x449/0x710 [ 3474.138308][ T74] netlink_sendmsg+0x723/0xbe0 [ 3474.138308][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3474.138308][ T74] ___sys_sendmsg+0xee/0x170 [ 3474.138308][ T74] __sys_sendmsg+0xcd/0x170 [ 3474.138308][ T74] do_syscall_64+0xc6/0x1e0 [ 3474.138308][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3474.138308][ T74] [ 3474.139861][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3474.139861][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3474.139861][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3474.139861][ T74] ipv6_find_idev+0x102/0x170 [ 3474.139861][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3474.139861][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3474.139861][ T74] netlink_rcv_skb+0x130/0x360 [ 3474.139861][ T74] netlink_unicast+0x449/0x710 [ 3474.139861][ T74] netlink_sendmsg+0x723/0xbe0 [ 3474.139861][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3474.139861][ T74] ___sys_sendmsg+0xee/0x170 [ 3474.139861][ T74] __sys_sendmsg+0xcd/0x170 [ 3474.139861][ T74] do_syscall_64+0xc6/0x1e0 [ 3474.139861][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3474.139861][ T74] [ 3474.141569][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3474.141837][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3474.141837][ T74] dst_init+0x84/0x4a0 [ 3474.141837][ T74] dst_alloc+0x97/0x150 [ 3474.141837][ T74] ip6_dst_alloc+0x23/0x90 [ 3474.141837][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3474.141837][ T74] ip6_pol_route+0x56f/0x840 [ 3474.141837][ T74] fib6_rule_lookup+0x456/0x630 [ 3474.141837][ T74] ip6_route_input+0x59c/0xa50 [ 3474.141837][ T74] ipv6_rcv+0x397/0x810 [ 3474.141837][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3474.141837][ T74] process_backlog+0x101/0x620 [ 3474.141837][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3474.141837][ T74] net_rx_action+0x495/0xbe0 [ 3474.141837][ T74] __do_softirq+0x1b5/0x7f6 [ 3474.141837][ T74] [ 3474.143511][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3474.143511][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3474.143511][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3474.143511][ T74] fib6_nh_init+0xa22/0x1580 [ 3474.143511][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3474.143511][ T74] ip6_route_add+0x1c/0x140 [ 3474.143511][ T74] inet6_rtm_newroute+0x104/0x110 [ 3474.143511][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3474.143511][ T74] netlink_rcv_skb+0x130/0x360 [ 3474.143511][ T74] netlink_unicast+0x449/0x710 [ 3474.143511][ T74] netlink_sendmsg+0x723/0xbe0 [ 3474.143511][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3474.143511][ T74] ___sys_sendmsg+0xee/0x170 [ 3474.143511][ T74] __sys_sendmsg+0xcd/0x170 [ 3474.143511][ T74] do_syscall_64+0xc6/0x1e0 [ 3474.143511][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3474.143511][ T74] [ 3474.145406][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3474.145406][ T74] netdev_get_by_index+0x5e/0x80 [ 3474.145406][ T74] fib6_nh_init+0x3d8/0x1580 [ 3474.145406][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3474.145406][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3474.145406][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3474.145406][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3474.145406][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3474.145406][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3474.145406][ T74] addrconf_dad_begin+0x310/0x670 [ 3474.145406][ T74] addrconf_dad_work+0x10b/0xab0 [ 3474.145406][ T74] process_one_work+0x84d/0x18a0 [ 3474.145406][ T74] worker_thread+0x587/0xd30 [ 3474.145406][ T74] kthread+0x28a/0x350 [ 3474.145406][ T74] ret_from_fork+0x31/0x70 [ 3474.145406][ T74] ret_from_fork_asm+0x1a/0x30 [ 3474.145406][ T74] [ 3474.147345][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3474.147345][ T74] netdev_get_by_index+0x5e/0x80 [ 3474.147345][ T74] fib6_nh_init+0x3d8/0x1580 [ 3474.147345][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3474.147345][ T74] ip6_route_add+0x1c/0x140 [ 3474.147345][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3474.147345][ T74] inet6_addr_add+0x4f8/0xa40 [ 3474.147345][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3474.147345][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3474.147345][ T74] netlink_rcv_skb+0x130/0x360 [ 3474.147345][ T74] netlink_unicast+0x449/0x710 [ 3474.147345][ T74] netlink_sendmsg+0x723/0xbe0 [ 3474.147345][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3474.147345][ T74] ___sys_sendmsg+0xee/0x170 [ 3474.147345][ T74] __sys_sendmsg+0xcd/0x170 [ 3474.147345][ T74] do_syscall_64+0xc6/0x1e0 [ 3474.147345][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3474.147345][ T74] [ 3474.149361][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3474.149361][ T74] netdev_get_by_index+0x5e/0x80 [ 3474.149361][ T74] fib6_nh_init+0x3d8/0x1580 [ 3474.149361][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3474.149361][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3474.149361][ T74] ipv6_add_addr+0x411/0x2000 [ 3474.149361][ T74] inet6_addr_add+0x30e/0xa40 [ 3474.149361][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3474.149361][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3474.149361][ T74] netlink_rcv_skb+0x130/0x360 [ 3474.149361][ T74] netlink_unicast+0x449/0x710 [ 3474.149361][ T74] netlink_sendmsg+0x723/0xbe0 [ 3474.149361][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3474.149361][ T74] ___sys_sendmsg+0xee/0x170 [ 3474.149361][ T74] __sys_sendmsg+0xcd/0x170 [ 3474.149361][ T74] do_syscall_64+0xc6/0x1e0 [ 3474.149361][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3474.149361][ T74] [ 3474.151386][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3474.151386][ T74] netdev_get_by_index+0x5e/0x80 [ 3474.151386][ T74] fib6_nh_init+0x3d8/0x1580 [ 3474.151386][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3474.151386][ T74] ip6_route_add+0x1c/0x140 [ 3474.151386][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3474.151386][ T74] addrconf_add_dev+0xe2/0x170 [ 3474.151386][ T74] inet6_addr_add+0x12f/0xa40 [ 3474.151386][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3474.151386][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3474.151386][ T74] netlink_rcv_skb+0x130/0x360 [ 3474.151386][ T74] netlink_unicast+0x449/0x710 [ 3474.151386][ T74] netlink_sendmsg+0x723/0xbe0 [ 3474.151386][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3474.151386][ T74] ___sys_sendmsg+0xee/0x170 [ 3474.151386][ T74] __sys_sendmsg+0xcd/0x170 [ 3474.151386][ T74] do_syscall_64+0xc6/0x1e0 [ 3474.151386][ T74] [ 3474.153415][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3474.153415][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3474.153415][ T74] ipv6_find_idev+0x102/0x170 [ 3474.153415][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3474.153415][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3474.153415][ T74] netlink_rcv_skb+0x130/0x360 [ 3474.153415][ T74] netlink_unicast+0x449/0x710 [ 3474.153415][ T74] netlink_sendmsg+0x723/0xbe0 [ 3474.153415][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3474.153415][ T74] ___sys_sendmsg+0xee/0x170 [ 3474.153415][ T74] __sys_sendmsg+0xcd/0x170 [ 3474.153415][ T74] do_syscall_64+0xc6/0x1e0 [ 3474.153415][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3474.153415][ T74] [ 3474.155168][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3474.155168][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3474.155168][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3474.155168][ T74] ipv6_find_idev+0x102/0x170 [ 3474.155168][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3474.155168][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3474.155168][ T74] netlink_rcv_skb+0x130/0x360 [ 3474.155168][ T74] netlink_unicast+0x449/0x710 [ 3474.155168][ T74] netlink_sendmsg+0x723/0xbe0 [ 3474.155168][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3474.155168][ T74] ___sys_sendmsg+0xee/0x170 [ 3474.155168][ T74] __sys_sendmsg+0xcd/0x170 [ 3474.155168][ T74] do_syscall_64+0xc6/0x1e0 [ 3474.155168][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3474.155168][ T74] [ 3474.157131][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3474.157377][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3474.157377][ T74] netdev_get_by_index+0x5e/0x80 [ 3474.157377][ T74] fib6_nh_init+0x3d8/0x1580 [ 3474.157377][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3474.157377][ T74] ip6_route_add+0x1c/0x140 [ 3474.157377][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3474.157377][ T74] inet6_addr_add+0x4f8/0xa40 [ 3474.157377][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3474.157377][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3474.157377][ T74] netlink_rcv_skb+0x130/0x360 [ 3474.157377][ T74] netlink_unicast+0x449/0x710 [ 3474.157377][ T74] netlink_sendmsg+0x723/0xbe0 [ 3474.157377][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3474.157377][ T74] ___sys_sendmsg+0xee/0x170 [ 3474.157377][ T74] __sys_sendmsg+0xcd/0x170 [ 3474.157377][ T74] do_syscall_64+0xc6/0x1e0 [ 3474.157377][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3474.157377][ T74] [ 3474.159644][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3474.159644][ T74] netdev_get_by_index+0x5e/0x80 [ 3474.159644][ T74] fib6_nh_init+0x3d8/0x1580 [ 3474.159644][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3474.159644][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3474.159644][ T74] ipv6_add_addr+0x411/0x2000 [ 3474.159644][ T74] inet6_addr_add+0x30e/0xa40 [ 3474.159644][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3474.159644][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3474.159644][ T74] netlink_rcv_skb+0x130/0x360 [ 3474.159644][ T74] netlink_unicast+0x449/0x710 [ 3474.159644][ T74] netlink_sendmsg+0x723/0xbe0 [ 3474.159644][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3474.159644][ T74] ___sys_sendmsg+0xee/0x170 [ 3474.159644][ T74] __sys_sendmsg+0xcd/0x170 [ 3474.159644][ T74] do_syscall_64+0xc6/0x1e0 [ 3474.159644][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3474.159644][ T74] [ 3474.161970][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3474.161970][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3474.161970][ T74] ipv6_find_idev+0x102/0x170 [ 3474.161970][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3474.161970][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3474.161970][ T74] netlink_rcv_skb+0x130/0x360 [ 3474.161970][ T74] netlink_unicast+0x449/0x710 [ 3474.161970][ T74] netlink_sendmsg+0x723/0xbe0 [ 3474.161970][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3474.161970][ T74] ___sys_sendmsg+0xee/0x170 [ 3474.161970][ T74] __sys_sendmsg+0xcd/0x170 [ 3474.161970][ T74] do_syscall_64+0xc6/0x1e0 [ 3474.161970][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3474.161970][ T74] [ 3474.163758][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3474.163758][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3474.163758][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3474.163758][ T74] ipv6_find_idev+0x102/0x170 [ 3474.163758][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3474.163758][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3474.163758][ T74] netlink_rcv_skb+0x130/0x360 [ 3474.163758][ T74] netlink_unicast+0x449/0x710 [ 3474.163758][ T74] netlink_sendmsg+0x723/0xbe0 [ 3474.163758][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3474.163758][ T74] ___sys_sendmsg+0xee/0x170 [ 3474.163758][ T74] __sys_sendmsg+0xcd/0x170 [ 3474.163758][ T74] do_syscall_64+0xc6/0x1e0 [ 3474.163758][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3474.163758][ T74] [ 3484.407939][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3484.408305][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3484.408305][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3484.408305][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3484.408305][ T74] fib6_nh_init+0xa22/0x1580 [ 3484.408305][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3484.408305][ T74] ip6_route_add+0x1c/0x140 [ 3484.408305][ T74] inet6_rtm_newroute+0x104/0x110 [ 3484.408305][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3484.408305][ T74] netlink_rcv_skb+0x130/0x360 [ 3484.408305][ T74] netlink_unicast+0x449/0x710 [ 3484.408305][ T74] netlink_sendmsg+0x723/0xbe0 [ 3484.408305][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3484.408305][ T74] ___sys_sendmsg+0xee/0x170 [ 3484.408305][ T74] __sys_sendmsg+0xcd/0x170 [ 3484.408305][ T74] do_syscall_64+0xc6/0x1e0 [ 3484.408305][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3484.408305][ T74] [ 3484.410258][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3484.410258][ T74] netdev_get_by_index+0x5e/0x80 [ 3484.410258][ T74] fib6_nh_init+0x3d8/0x1580 [ 3484.410258][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3484.410258][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3484.410258][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3484.410258][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3484.410258][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3484.410258][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3484.410258][ T74] addrconf_dad_begin+0x310/0x670 [ 3484.410258][ T74] addrconf_dad_work+0x10b/0xab0 [ 3484.410258][ T74] process_one_work+0x84d/0x18a0 [ 3484.410258][ T74] worker_thread+0x587/0xd30 [ 3484.410258][ T74] kthread+0x28a/0x350 [ 3484.410258][ T74] ret_from_fork+0x31/0x70 [ 3484.410258][ T74] ret_from_fork_asm+0x1a/0x30 [ 3484.410258][ T74] [ 3484.412199][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3484.412199][ T74] netdev_get_by_index+0x5e/0x80 [ 3484.412199][ T74] fib6_nh_init+0x3d8/0x1580 [ 3484.412199][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3484.412199][ T74] ip6_route_add+0x1c/0x140 [ 3484.412199][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3484.412199][ T74] inet6_addr_add+0x4f8/0xa40 [ 3484.412199][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3484.412199][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3484.412199][ T74] netlink_rcv_skb+0x130/0x360 [ 3484.412199][ T74] netlink_unicast+0x449/0x710 [ 3484.412199][ T74] netlink_sendmsg+0x723/0xbe0 [ 3484.412199][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3484.412199][ T74] ___sys_sendmsg+0xee/0x170 [ 3484.412199][ T74] __sys_sendmsg+0xcd/0x170 [ 3484.412199][ T74] do_syscall_64+0xc6/0x1e0 [ 3484.412199][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3484.412199][ T74] [ 3484.414224][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3484.414224][ T74] netdev_get_by_index+0x5e/0x80 [ 3484.414224][ T74] fib6_nh_init+0x3d8/0x1580 [ 3484.414224][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3484.414224][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3484.414224][ T74] ipv6_add_addr+0x411/0x2000 [ 3484.414224][ T74] inet6_addr_add+0x30e/0xa40 [ 3484.414224][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3484.414224][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3484.414224][ T74] netlink_rcv_skb+0x130/0x360 [ 3484.414224][ T74] netlink_unicast+0x449/0x710 [ 3484.414224][ T74] netlink_sendmsg+0x723/0xbe0 [ 3484.414224][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3484.414224][ T74] ___sys_sendmsg+0xee/0x170 [ 3484.414224][ T74] __sys_sendmsg+0xcd/0x170 [ 3484.414224][ T74] do_syscall_64+0xc6/0x1e0 [ 3484.414224][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3484.414224][ T74] [ 3484.416773][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3484.416773][ T74] netdev_get_by_index+0x5e/0x80 [ 3484.416773][ T74] fib6_nh_init+0x3d8/0x1580 [ 3484.416773][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3484.416773][ T74] ip6_route_add+0x1c/0x140 [ 3484.416773][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3484.416773][ T74] addrconf_add_dev+0xe2/0x170 [ 3484.416773][ T74] inet6_addr_add+0x12f/0xa40 [ 3484.416773][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3484.416773][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3484.416773][ T74] netlink_rcv_skb+0x130/0x360 [ 3484.416773][ T74] netlink_unicast+0x449/0x710 [ 3484.416773][ T74] netlink_sendmsg+0x723/0xbe0 [ 3484.416773][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3484.416773][ T74] ___sys_sendmsg+0xee/0x170 [ 3484.416773][ T74] __sys_sendmsg+0xcd/0x170 [ 3484.416773][ T74] do_syscall_64+0xc6/0x1e0 [ 3484.416773][ T74] [ 3484.418776][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3484.418776][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3484.418776][ T74] ipv6_find_idev+0x102/0x170 [ 3484.418776][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3484.418776][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3484.418776][ T74] netlink_rcv_skb+0x130/0x360 [ 3484.418776][ T74] netlink_unicast+0x449/0x710 [ 3484.418776][ T74] netlink_sendmsg+0x723/0xbe0 [ 3484.418776][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3484.418776][ T74] ___sys_sendmsg+0xee/0x170 [ 3484.418776][ T74] __sys_sendmsg+0xcd/0x170 [ 3484.418776][ T74] do_syscall_64+0xc6/0x1e0 [ 3484.418776][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3484.418776][ T74] [ 3484.420331][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3484.420331][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3484.420331][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3484.420331][ T74] ipv6_find_idev+0x102/0x170 [ 3484.420331][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3484.420331][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3484.420331][ T74] netlink_rcv_skb+0x130/0x360 [ 3484.420331][ T74] netlink_unicast+0x449/0x710 [ 3484.420331][ T74] netlink_sendmsg+0x723/0xbe0 [ 3484.420331][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3484.420331][ T74] ___sys_sendmsg+0xee/0x170 [ 3484.420331][ T74] __sys_sendmsg+0xcd/0x170 [ 3484.420331][ T74] do_syscall_64+0xc6/0x1e0 [ 3484.420331][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3484.420331][ T74] [ 3484.422051][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3484.422342][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3484.422342][ T74] dst_init+0x84/0x4a0 [ 3484.422342][ T74] dst_alloc+0x97/0x150 [ 3484.422342][ T74] ip6_dst_alloc+0x23/0x90 [ 3484.422342][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3484.422342][ T74] ip6_pol_route+0x56f/0x840 [ 3484.422342][ T74] fib6_rule_lookup+0x456/0x630 [ 3484.422342][ T74] ip6_route_input+0x59c/0xa50 [ 3484.422342][ T74] ipv6_rcv+0x397/0x810 [ 3484.422342][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3484.422342][ T74] process_backlog+0x101/0x620 [ 3484.422342][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3484.422342][ T74] net_rx_action+0x495/0xbe0 [ 3484.422342][ T74] __do_softirq+0x1b5/0x7f6 [ 3484.422342][ T74] [ 3484.424009][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3484.424009][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3484.424009][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3484.424009][ T74] fib6_nh_init+0xa22/0x1580 [ 3484.424009][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3484.424009][ T74] ip6_route_add+0x1c/0x140 [ 3484.424009][ T74] inet6_rtm_newroute+0x104/0x110 [ 3484.424009][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3484.424009][ T74] netlink_rcv_skb+0x130/0x360 [ 3484.424009][ T74] netlink_unicast+0x449/0x710 [ 3484.424009][ T74] netlink_sendmsg+0x723/0xbe0 [ 3484.424009][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3484.424009][ T74] ___sys_sendmsg+0xee/0x170 [ 3484.424009][ T74] __sys_sendmsg+0xcd/0x170 [ 3484.424009][ T74] do_syscall_64+0xc6/0x1e0 [ 3484.424009][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3484.424009][ T74] [ 3484.425911][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3484.425911][ T74] netdev_get_by_index+0x5e/0x80 [ 3484.425911][ T74] fib6_nh_init+0x3d8/0x1580 [ 3484.425911][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3484.425911][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3484.425911][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3484.425911][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3484.425911][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3484.425911][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3484.425911][ T74] addrconf_dad_begin+0x310/0x670 [ 3484.425911][ T74] addrconf_dad_work+0x10b/0xab0 [ 3484.425911][ T74] process_one_work+0x84d/0x18a0 [ 3484.425911][ T74] worker_thread+0x587/0xd30 [ 3484.425911][ T74] kthread+0x28a/0x350 [ 3484.425911][ T74] ret_from_fork+0x31/0x70 [ 3484.425911][ T74] ret_from_fork_asm+0x1a/0x30 [ 3484.425911][ T74] [ 3484.430197][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3484.430197][ T74] netdev_get_by_index+0x5e/0x80 [ 3484.430197][ T74] fib6_nh_init+0x3d8/0x1580 [ 3484.430197][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3484.430197][ T74] ip6_route_add+0x1c/0x140 [ 3484.430197][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3484.430197][ T74] inet6_addr_add+0x4f8/0xa40 [ 3484.430197][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3484.430197][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3484.430197][ T74] netlink_rcv_skb+0x130/0x360 [ 3484.430197][ T74] netlink_unicast+0x449/0x710 [ 3484.430197][ T74] netlink_sendmsg+0x723/0xbe0 [ 3484.430197][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3484.430197][ T74] ___sys_sendmsg+0xee/0x170 [ 3484.430197][ T74] __sys_sendmsg+0xcd/0x170 [ 3484.430197][ T74] do_syscall_64+0xc6/0x1e0 [ 3484.430197][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3484.430197][ T74] [ 3484.432215][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3484.432215][ T74] netdev_get_by_index+0x5e/0x80 [ 3484.432215][ T74] fib6_nh_init+0x3d8/0x1580 [ 3484.432215][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3484.432215][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3484.432215][ T74] ipv6_add_addr+0x411/0x2000 [ 3484.432215][ T74] inet6_addr_add+0x30e/0xa40 [ 3484.432215][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3484.432215][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3484.432215][ T74] netlink_rcv_skb+0x130/0x360 [ 3484.432215][ T74] netlink_unicast+0x449/0x710 [ 3484.432215][ T74] netlink_sendmsg+0x723/0xbe0 [ 3484.432215][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3484.432215][ T74] ___sys_sendmsg+0xee/0x170 [ 3484.432215][ T74] __sys_sendmsg+0xcd/0x170 [ 3484.432215][ T74] do_syscall_64+0xc6/0x1e0 [ 3484.432215][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3484.432215][ T74] [ 3484.434222][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3484.434222][ T74] netdev_get_by_index+0x5e/0x80 [ 3484.434222][ T74] fib6_nh_init+0x3d8/0x1580 [ 3484.434222][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3484.434222][ T74] ip6_route_add+0x1c/0x140 [ 3484.434222][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3484.434222][ T74] addrconf_add_dev+0xe2/0x170 [ 3484.434222][ T74] inet6_addr_add+0x12f/0xa40 [ 3484.434222][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3484.434222][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3484.434222][ T74] netlink_rcv_skb+0x130/0x360 [ 3484.434222][ T74] netlink_unicast+0x449/0x710 [ 3484.434222][ T74] netlink_sendmsg+0x723/0xbe0 [ 3484.434222][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3484.434222][ T74] ___sys_sendmsg+0xee/0x170 [ 3484.434222][ T74] __sys_sendmsg+0xcd/0x170 [ 3484.434222][ T74] do_syscall_64+0xc6/0x1e0 [ 3484.434222][ T74] [ 3484.436192][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3484.436192][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3484.436192][ T74] ipv6_find_idev+0x102/0x170 [ 3484.436192][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3484.436192][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3484.436192][ T74] netlink_rcv_skb+0x130/0x360 [ 3484.436192][ T74] netlink_unicast+0x449/0x710 [ 3484.436192][ T74] netlink_sendmsg+0x723/0xbe0 [ 3484.436192][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3484.436192][ T74] ___sys_sendmsg+0xee/0x170 [ 3484.436192][ T74] __sys_sendmsg+0xcd/0x170 [ 3484.436192][ T74] do_syscall_64+0xc6/0x1e0 [ 3484.436192][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3484.436192][ T74] [ 3484.437923][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3484.437923][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3484.437923][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3484.437923][ T74] ipv6_find_idev+0x102/0x170 [ 3484.437923][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3484.437923][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3484.437923][ T74] netlink_rcv_skb+0x130/0x360 [ 3484.437923][ T74] netlink_unicast+0x449/0x710 [ 3484.437923][ T74] netlink_sendmsg+0x723/0xbe0 [ 3484.437923][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3484.437923][ T74] ___sys_sendmsg+0xee/0x170 [ 3484.437923][ T74] __sys_sendmsg+0xcd/0x170 [ 3484.437923][ T74] do_syscall_64+0xc6/0x1e0 [ 3484.437923][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3484.437923][ T74] [ 3484.439890][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3484.440138][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3484.440138][ T74] netdev_get_by_index+0x5e/0x80 [ 3484.440138][ T74] fib6_nh_init+0x3d8/0x1580 [ 3484.440138][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3484.440138][ T74] ip6_route_add+0x1c/0x140 [ 3484.440138][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3484.440138][ T74] inet6_addr_add+0x4f8/0xa40 [ 3484.440138][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3484.440138][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3484.440138][ T74] netlink_rcv_skb+0x130/0x360 [ 3484.440138][ T74] netlink_unicast+0x449/0x710 [ 3484.440138][ T74] netlink_sendmsg+0x723/0xbe0 [ 3484.440138][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3484.440138][ T74] ___sys_sendmsg+0xee/0x170 [ 3484.440138][ T74] __sys_sendmsg+0xcd/0x170 [ 3484.440138][ T74] do_syscall_64+0xc6/0x1e0 [ 3484.440138][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3484.440138][ T74] [ 3484.442407][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3484.442407][ T74] netdev_get_by_index+0x5e/0x80 [ 3484.442407][ T74] fib6_nh_init+0x3d8/0x1580 [ 3484.442407][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3484.442407][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3484.442407][ T74] ipv6_add_addr+0x411/0x2000 [ 3484.442407][ T74] inet6_addr_add+0x30e/0xa40 [ 3484.442407][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3484.442407][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3484.442407][ T74] netlink_rcv_skb+0x130/0x360 [ 3484.442407][ T74] netlink_unicast+0x449/0x710 [ 3484.442407][ T74] netlink_sendmsg+0x723/0xbe0 [ 3484.442407][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3484.442407][ T74] ___sys_sendmsg+0xee/0x170 [ 3484.442407][ T74] __sys_sendmsg+0xcd/0x170 [ 3484.442407][ T74] do_syscall_64+0xc6/0x1e0 [ 3484.442407][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3484.442407][ T74] [ 3484.444653][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3484.444653][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3484.444653][ T74] ipv6_find_idev+0x102/0x170 [ 3484.444653][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3484.444653][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3484.444653][ T74] netlink_rcv_skb+0x130/0x360 [ 3484.444653][ T74] netlink_unicast+0x449/0x710 [ 3484.444653][ T74] netlink_sendmsg+0x723/0xbe0 [ 3484.444653][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3484.444653][ T74] ___sys_sendmsg+0xee/0x170 [ 3484.444653][ T74] __sys_sendmsg+0xcd/0x170 [ 3484.444653][ T74] do_syscall_64+0xc6/0x1e0 [ 3484.444653][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3484.444653][ T74] [ 3484.446337][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3484.446337][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3484.446337][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3484.446337][ T74] ipv6_find_idev+0x102/0x170 [ 3484.446337][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3484.446337][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3484.446337][ T74] netlink_rcv_skb+0x130/0x360 [ 3484.446337][ T74] netlink_unicast+0x449/0x710 [ 3484.446337][ T74] netlink_sendmsg+0x723/0xbe0 [ 3484.446337][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3484.446337][ T74] ___sys_sendmsg+0xee/0x170 [ 3484.446337][ T74] __sys_sendmsg+0xcd/0x170 [ 3484.446337][ T74] do_syscall_64+0xc6/0x1e0 [ 3484.446337][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3484.446337][ T74] [ 3494.688019][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3494.688536][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3494.688536][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3494.688536][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3494.688536][ T74] fib6_nh_init+0xa22/0x1580 [ 3494.688536][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3494.688536][ T74] ip6_route_add+0x1c/0x140 [ 3494.688536][ T74] inet6_rtm_newroute+0x104/0x110 [ 3494.688536][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3494.688536][ T74] netlink_rcv_skb+0x130/0x360 [ 3494.688536][ T74] netlink_unicast+0x449/0x710 [ 3494.688536][ T74] netlink_sendmsg+0x723/0xbe0 [ 3494.688536][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3494.688536][ T74] ___sys_sendmsg+0xee/0x170 [ 3494.688536][ T74] __sys_sendmsg+0xcd/0x170 [ 3494.688536][ T74] do_syscall_64+0xc6/0x1e0 [ 3494.688536][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3494.688536][ T74] [ 3494.691537][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3494.691537][ T74] netdev_get_by_index+0x5e/0x80 [ 3494.691537][ T74] fib6_nh_init+0x3d8/0x1580 [ 3494.691537][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3494.691537][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3494.691537][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3494.691537][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3494.691537][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3494.691537][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3494.691537][ T74] addrconf_dad_begin+0x310/0x670 [ 3494.691537][ T74] addrconf_dad_work+0x10b/0xab0 [ 3494.691537][ T74] process_one_work+0x84d/0x18a0 [ 3494.691537][ T74] worker_thread+0x587/0xd30 [ 3494.691537][ T74] kthread+0x28a/0x350 [ 3494.691537][ T74] ret_from_fork+0x31/0x70 [ 3494.691537][ T74] ret_from_fork_asm+0x1a/0x30 [ 3494.691537][ T74] [ 3494.694562][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3494.694562][ T74] netdev_get_by_index+0x5e/0x80 [ 3494.694562][ T74] fib6_nh_init+0x3d8/0x1580 [ 3494.694562][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3494.694562][ T74] ip6_route_add+0x1c/0x140 [ 3494.694562][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3494.694562][ T74] inet6_addr_add+0x4f8/0xa40 [ 3494.694562][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3494.694562][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3494.694562][ T74] netlink_rcv_skb+0x130/0x360 [ 3494.694562][ T74] netlink_unicast+0x449/0x710 [ 3494.694562][ T74] netlink_sendmsg+0x723/0xbe0 [ 3494.694562][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3494.694562][ T74] ___sys_sendmsg+0xee/0x170 [ 3494.694562][ T74] __sys_sendmsg+0xcd/0x170 [ 3494.694562][ T74] do_syscall_64+0xc6/0x1e0 [ 3494.694562][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3494.694562][ T74] [ 3494.697640][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3494.697640][ T74] netdev_get_by_index+0x5e/0x80 [ 3494.697640][ T74] fib6_nh_init+0x3d8/0x1580 [ 3494.697640][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3494.697640][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3494.697640][ T74] ipv6_add_addr+0x411/0x2000 [ 3494.697640][ T74] inet6_addr_add+0x30e/0xa40 [ 3494.697640][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3494.697640][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3494.697640][ T74] netlink_rcv_skb+0x130/0x360 [ 3494.697640][ T74] netlink_unicast+0x449/0x710 [ 3494.697640][ T74] netlink_sendmsg+0x723/0xbe0 [ 3494.697640][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3494.697640][ T74] ___sys_sendmsg+0xee/0x170 [ 3494.697640][ T74] __sys_sendmsg+0xcd/0x170 [ 3494.697640][ T74] do_syscall_64+0xc6/0x1e0 [ 3494.697640][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3494.697640][ T74] [ 3494.700651][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3494.700651][ T74] netdev_get_by_index+0x5e/0x80 [ 3494.700651][ T74] fib6_nh_init+0x3d8/0x1580 [ 3494.700651][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3494.700651][ T74] ip6_route_add+0x1c/0x140 [ 3494.700651][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3494.700651][ T74] addrconf_add_dev+0xe2/0x170 [ 3494.700651][ T74] inet6_addr_add+0x12f/0xa40 [ 3494.700651][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3494.700651][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3494.700651][ T74] netlink_rcv_skb+0x130/0x360 [ 3494.700651][ T74] netlink_unicast+0x449/0x710 [ 3494.700651][ T74] netlink_sendmsg+0x723/0xbe0 [ 3494.700651][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3494.700651][ T74] ___sys_sendmsg+0xee/0x170 [ 3494.700651][ T74] __sys_sendmsg+0xcd/0x170 [ 3494.700651][ T74] do_syscall_64+0xc6/0x1e0 [ 3494.700651][ T74] [ 3494.703579][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3494.703579][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3494.703579][ T74] ipv6_find_idev+0x102/0x170 [ 3494.703579][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3494.703579][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3494.703579][ T74] netlink_rcv_skb+0x130/0x360 [ 3494.703579][ T74] netlink_unicast+0x449/0x710 [ 3494.703579][ T74] netlink_sendmsg+0x723/0xbe0 [ 3494.703579][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3494.703579][ T74] ___sys_sendmsg+0xee/0x170 [ 3494.703579][ T74] __sys_sendmsg+0xcd/0x170 [ 3494.703579][ T74] do_syscall_64+0xc6/0x1e0 [ 3494.703579][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3494.703579][ T74] [ 3494.705965][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3494.705965][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3494.705965][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3494.705965][ T74] ipv6_find_idev+0x102/0x170 [ 3494.705965][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3494.705965][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3494.705965][ T74] netlink_rcv_skb+0x130/0x360 [ 3494.705965][ T74] netlink_unicast+0x449/0x710 [ 3494.705965][ T74] netlink_sendmsg+0x723/0xbe0 [ 3494.705965][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3494.705965][ T74] ___sys_sendmsg+0xee/0x170 [ 3494.705965][ T74] __sys_sendmsg+0xcd/0x170 [ 3494.705965][ T74] do_syscall_64+0xc6/0x1e0 [ 3494.705965][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3494.705965][ T74] [ 3494.708599][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3494.708983][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3494.708983][ T74] dst_init+0x84/0x4a0 [ 3494.708983][ T74] dst_alloc+0x97/0x150 [ 3494.708983][ T74] ip6_dst_alloc+0x23/0x90 [ 3494.708983][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3494.708983][ T74] ip6_pol_route+0x56f/0x840 [ 3494.708983][ T74] fib6_rule_lookup+0x456/0x630 [ 3494.708983][ T74] ip6_route_input+0x59c/0xa50 [ 3494.708983][ T74] ipv6_rcv+0x397/0x810 [ 3494.708983][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3494.708983][ T74] process_backlog+0x101/0x620 [ 3494.708983][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3494.708983][ T74] net_rx_action+0x495/0xbe0 [ 3494.708983][ T74] __do_softirq+0x1b5/0x7f6 [ 3494.708983][ T74] [ 3494.711381][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3494.711381][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3494.711381][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3494.711381][ T74] fib6_nh_init+0xa22/0x1580 [ 3494.711381][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3494.711381][ T74] ip6_route_add+0x1c/0x140 [ 3494.711381][ T74] inet6_rtm_newroute+0x104/0x110 [ 3494.711381][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3494.711381][ T74] netlink_rcv_skb+0x130/0x360 [ 3494.711381][ T74] netlink_unicast+0x449/0x710 [ 3494.711381][ T74] netlink_sendmsg+0x723/0xbe0 [ 3494.711381][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3494.711381][ T74] ___sys_sendmsg+0xee/0x170 [ 3494.711381][ T74] __sys_sendmsg+0xcd/0x170 [ 3494.711381][ T74] do_syscall_64+0xc6/0x1e0 [ 3494.711381][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3494.711381][ T74] [ 3494.714338][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3494.714338][ T74] netdev_get_by_index+0x5e/0x80 [ 3494.714338][ T74] fib6_nh_init+0x3d8/0x1580 [ 3494.714338][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3494.714338][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3494.714338][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3494.714338][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3494.714338][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3494.714338][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3494.714338][ T74] addrconf_dad_begin+0x310/0x670 [ 3494.714338][ T74] addrconf_dad_work+0x10b/0xab0 [ 3494.714338][ T74] process_one_work+0x84d/0x18a0 [ 3494.714338][ T74] worker_thread+0x587/0xd30 [ 3494.714338][ T74] kthread+0x28a/0x350 [ 3494.714338][ T74] ret_from_fork+0x31/0x70 [ 3494.714338][ T74] ret_from_fork_asm+0x1a/0x30 [ 3494.714338][ T74] [ 3494.717431][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3494.717431][ T74] netdev_get_by_index+0x5e/0x80 [ 3494.717431][ T74] fib6_nh_init+0x3d8/0x1580 [ 3494.717431][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3494.717431][ T74] ip6_route_add+0x1c/0x140 [ 3494.717431][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3494.717431][ T74] inet6_addr_add+0x4f8/0xa40 [ 3494.717431][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3494.717431][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3494.717431][ T74] netlink_rcv_skb+0x130/0x360 [ 3494.717431][ T74] netlink_unicast+0x449/0x710 [ 3494.717431][ T74] netlink_sendmsg+0x723/0xbe0 [ 3494.717431][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3494.717431][ T74] ___sys_sendmsg+0xee/0x170 [ 3494.717431][ T74] __sys_sendmsg+0xcd/0x170 [ 3494.717431][ T74] do_syscall_64+0xc6/0x1e0 [ 3494.717431][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3494.717431][ T74] [ 3494.723706][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3494.723706][ T74] netdev_get_by_index+0x5e/0x80 [ 3494.723706][ T74] fib6_nh_init+0x3d8/0x1580 [ 3494.723706][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3494.723706][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3494.723706][ T74] ipv6_add_addr+0x411/0x2000 [ 3494.723706][ T74] inet6_addr_add+0x30e/0xa40 [ 3494.723706][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3494.723706][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3494.723706][ T74] netlink_rcv_skb+0x130/0x360 [ 3494.723706][ T74] netlink_unicast+0x449/0x710 [ 3494.723706][ T74] netlink_sendmsg+0x723/0xbe0 [ 3494.723706][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3494.723706][ T74] ___sys_sendmsg+0xee/0x170 [ 3494.723706][ T74] __sys_sendmsg+0xcd/0x170 [ 3494.723706][ T74] do_syscall_64+0xc6/0x1e0 [ 3494.723706][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3494.723706][ T74] [ 3494.726744][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3494.726744][ T74] netdev_get_by_index+0x5e/0x80 [ 3494.726744][ T74] fib6_nh_init+0x3d8/0x1580 [ 3494.726744][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3494.726744][ T74] ip6_route_add+0x1c/0x140 [ 3494.726744][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3494.726744][ T74] addrconf_add_dev+0xe2/0x170 [ 3494.726744][ T74] inet6_addr_add+0x12f/0xa40 [ 3494.726744][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3494.726744][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3494.726744][ T74] netlink_rcv_skb+0x130/0x360 [ 3494.726744][ T74] netlink_unicast+0x449/0x710 [ 3494.726744][ T74] netlink_sendmsg+0x723/0xbe0 [ 3494.726744][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3494.726744][ T74] ___sys_sendmsg+0xee/0x170 [ 3494.726744][ T74] __sys_sendmsg+0xcd/0x170 [ 3494.726744][ T74] do_syscall_64+0xc6/0x1e0 [ 3494.726744][ T74] [ 3494.729703][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3494.729703][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3494.729703][ T74] ipv6_find_idev+0x102/0x170 [ 3494.729703][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3494.729703][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3494.729703][ T74] netlink_rcv_skb+0x130/0x360 [ 3494.729703][ T74] netlink_unicast+0x449/0x710 [ 3494.729703][ T74] netlink_sendmsg+0x723/0xbe0 [ 3494.729703][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3494.729703][ T74] ___sys_sendmsg+0xee/0x170 [ 3494.729703][ T74] __sys_sendmsg+0xcd/0x170 [ 3494.729703][ T74] do_syscall_64+0xc6/0x1e0 [ 3494.729703][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3494.729703][ T74] [ 3494.732470][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3494.732470][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3494.732470][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3494.732470][ T74] ipv6_find_idev+0x102/0x170 [ 3494.732470][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3494.732470][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3494.732470][ T74] netlink_rcv_skb+0x130/0x360 [ 3494.732470][ T74] netlink_unicast+0x449/0x710 [ 3494.732470][ T74] netlink_sendmsg+0x723/0xbe0 [ 3494.732470][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3494.732470][ T74] ___sys_sendmsg+0xee/0x170 [ 3494.732470][ T74] __sys_sendmsg+0xcd/0x170 [ 3494.732470][ T74] do_syscall_64+0xc6/0x1e0 [ 3494.732470][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3494.732470][ T74] [ 3494.735576][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3494.736093][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3494.736093][ T74] netdev_get_by_index+0x5e/0x80 [ 3494.736093][ T74] fib6_nh_init+0x3d8/0x1580 [ 3494.736093][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3494.736093][ T74] ip6_route_add+0x1c/0x140 [ 3494.736093][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3494.736093][ T74] inet6_addr_add+0x4f8/0xa40 [ 3494.736093][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3494.736093][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3494.736093][ T74] netlink_rcv_skb+0x130/0x360 [ 3494.736093][ T74] netlink_unicast+0x449/0x710 [ 3494.736093][ T74] netlink_sendmsg+0x723/0xbe0 [ 3494.736093][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3494.736093][ T74] ___sys_sendmsg+0xee/0x170 [ 3494.736093][ T74] __sys_sendmsg+0xcd/0x170 [ 3494.736093][ T74] do_syscall_64+0xc6/0x1e0 [ 3494.736093][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3494.736093][ T74] [ 3494.739394][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3494.739394][ T74] netdev_get_by_index+0x5e/0x80 [ 3494.739394][ T74] fib6_nh_init+0x3d8/0x1580 [ 3494.739394][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3494.739394][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3494.739394][ T74] ipv6_add_addr+0x411/0x2000 [ 3494.739394][ T74] inet6_addr_add+0x30e/0xa40 [ 3494.739394][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3494.739394][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3494.739394][ T74] netlink_rcv_skb+0x130/0x360 [ 3494.739394][ T74] netlink_unicast+0x449/0x710 [ 3494.739394][ T74] netlink_sendmsg+0x723/0xbe0 [ 3494.739394][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3494.739394][ T74] ___sys_sendmsg+0xee/0x170 [ 3494.739394][ T74] __sys_sendmsg+0xcd/0x170 [ 3494.739394][ T74] do_syscall_64+0xc6/0x1e0 [ 3494.739394][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3494.739394][ T74] [ 3494.742892][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3494.742892][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3494.742892][ T74] ipv6_find_idev+0x102/0x170 [ 3494.742892][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3494.742892][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3494.742892][ T74] netlink_rcv_skb+0x130/0x360 [ 3494.742892][ T74] netlink_unicast+0x449/0x710 [ 3494.742892][ T74] netlink_sendmsg+0x723/0xbe0 [ 3494.742892][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3494.742892][ T74] ___sys_sendmsg+0xee/0x170 [ 3494.742892][ T74] __sys_sendmsg+0xcd/0x170 [ 3494.742892][ T74] do_syscall_64+0xc6/0x1e0 [ 3494.742892][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3494.742892][ T74] [ 3494.745628][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3494.745628][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3494.745628][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3494.745628][ T74] ipv6_find_idev+0x102/0x170 [ 3494.745628][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3494.745628][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3494.745628][ T74] netlink_rcv_skb+0x130/0x360 [ 3494.745628][ T74] netlink_unicast+0x449/0x710 [ 3494.745628][ T74] netlink_sendmsg+0x723/0xbe0 [ 3494.745628][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3494.745628][ T74] ___sys_sendmsg+0xee/0x170 [ 3494.745628][ T74] __sys_sendmsg+0xcd/0x170 [ 3494.745628][ T74] do_syscall_64+0xc6/0x1e0 [ 3494.745628][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3494.745628][ T74] [ 3504.943909][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3504.944321][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3504.944321][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3504.944321][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3504.944321][ T74] fib6_nh_init+0xa22/0x1580 [ 3504.944321][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3504.944321][ T74] ip6_route_add+0x1c/0x140 [ 3504.944321][ T74] inet6_rtm_newroute+0x104/0x110 [ 3504.944321][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3504.944321][ T74] netlink_rcv_skb+0x130/0x360 [ 3504.944321][ T74] netlink_unicast+0x449/0x710 [ 3504.944321][ T74] netlink_sendmsg+0x723/0xbe0 [ 3504.944321][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3504.944321][ T74] ___sys_sendmsg+0xee/0x170 [ 3504.944321][ T74] __sys_sendmsg+0xcd/0x170 [ 3504.944321][ T74] do_syscall_64+0xc6/0x1e0 [ 3504.944321][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3504.944321][ T74] [ 3504.946244][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3504.946244][ T74] netdev_get_by_index+0x5e/0x80 [ 3504.946244][ T74] fib6_nh_init+0x3d8/0x1580 [ 3504.946244][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3504.946244][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3504.946244][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3504.946244][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3504.946244][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3504.946244][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3504.946244][ T74] addrconf_dad_begin+0x310/0x670 [ 3504.946244][ T74] addrconf_dad_work+0x10b/0xab0 [ 3504.946244][ T74] process_one_work+0x84d/0x18a0 [ 3504.946244][ T74] worker_thread+0x587/0xd30 [ 3504.946244][ T74] kthread+0x28a/0x350 [ 3504.946244][ T74] ret_from_fork+0x31/0x70 [ 3504.946244][ T74] ret_from_fork_asm+0x1a/0x30 [ 3504.946244][ T74] [ 3504.948159][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3504.948159][ T74] netdev_get_by_index+0x5e/0x80 [ 3504.948159][ T74] fib6_nh_init+0x3d8/0x1580 [ 3504.948159][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3504.948159][ T74] ip6_route_add+0x1c/0x140 [ 3504.948159][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3504.948159][ T74] inet6_addr_add+0x4f8/0xa40 [ 3504.948159][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3504.948159][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3504.948159][ T74] netlink_rcv_skb+0x130/0x360 [ 3504.948159][ T74] netlink_unicast+0x449/0x710 [ 3504.948159][ T74] netlink_sendmsg+0x723/0xbe0 [ 3504.948159][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3504.948159][ T74] ___sys_sendmsg+0xee/0x170 [ 3504.948159][ T74] __sys_sendmsg+0xcd/0x170 [ 3504.948159][ T74] do_syscall_64+0xc6/0x1e0 [ 3504.948159][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3504.948159][ T74] [ 3504.950173][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3504.950173][ T74] netdev_get_by_index+0x5e/0x80 [ 3504.950173][ T74] fib6_nh_init+0x3d8/0x1580 [ 3504.950173][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3504.950173][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3504.950173][ T74] ipv6_add_addr+0x411/0x2000 [ 3504.950173][ T74] inet6_addr_add+0x30e/0xa40 [ 3504.950173][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3504.950173][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3504.950173][ T74] netlink_rcv_skb+0x130/0x360 [ 3504.950173][ T74] netlink_unicast+0x449/0x710 [ 3504.950173][ T74] netlink_sendmsg+0x723/0xbe0 [ 3504.950173][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3504.950173][ T74] ___sys_sendmsg+0xee/0x170 [ 3504.950173][ T74] __sys_sendmsg+0xcd/0x170 [ 3504.950173][ T74] do_syscall_64+0xc6/0x1e0 [ 3504.950173][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3504.950173][ T74] [ 3504.952211][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3504.952211][ T74] netdev_get_by_index+0x5e/0x80 [ 3504.952211][ T74] fib6_nh_init+0x3d8/0x1580 [ 3504.952211][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3504.952211][ T74] ip6_route_add+0x1c/0x140 [ 3504.952211][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3504.952211][ T74] addrconf_add_dev+0xe2/0x170 [ 3504.952211][ T74] inet6_addr_add+0x12f/0xa40 [ 3504.952211][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3504.952211][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3504.952211][ T74] netlink_rcv_skb+0x130/0x360 [ 3504.952211][ T74] netlink_unicast+0x449/0x710 [ 3504.952211][ T74] netlink_sendmsg+0x723/0xbe0 [ 3504.952211][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3504.952211][ T74] ___sys_sendmsg+0xee/0x170 [ 3504.952211][ T74] __sys_sendmsg+0xcd/0x170 [ 3504.952211][ T74] do_syscall_64+0xc6/0x1e0 [ 3504.952211][ T74] [ 3504.954185][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3504.954185][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3504.954185][ T74] ipv6_find_idev+0x102/0x170 [ 3504.954185][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3504.954185][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3504.954185][ T74] netlink_rcv_skb+0x130/0x360 [ 3504.954185][ T74] netlink_unicast+0x449/0x710 [ 3504.954185][ T74] netlink_sendmsg+0x723/0xbe0 [ 3504.954185][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3504.954185][ T74] ___sys_sendmsg+0xee/0x170 [ 3504.954185][ T74] __sys_sendmsg+0xcd/0x170 [ 3504.954185][ T74] do_syscall_64+0xc6/0x1e0 [ 3504.954185][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3504.954185][ T74] [ 3504.955746][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3504.955746][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3504.955746][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3504.955746][ T74] ipv6_find_idev+0x102/0x170 [ 3504.955746][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3504.955746][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3504.955746][ T74] netlink_rcv_skb+0x130/0x360 [ 3504.955746][ T74] netlink_unicast+0x449/0x710 [ 3504.955746][ T74] netlink_sendmsg+0x723/0xbe0 [ 3504.955746][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3504.955746][ T74] ___sys_sendmsg+0xee/0x170 [ 3504.955746][ T74] __sys_sendmsg+0xcd/0x170 [ 3504.955746][ T74] do_syscall_64+0xc6/0x1e0 [ 3504.955746][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3504.955746][ T74] [ 3504.957460][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3504.957744][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3504.957744][ T74] dst_init+0x84/0x4a0 [ 3504.957744][ T74] dst_alloc+0x97/0x150 [ 3504.957744][ T74] ip6_dst_alloc+0x23/0x90 [ 3504.957744][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3504.957744][ T74] ip6_pol_route+0x56f/0x840 [ 3504.957744][ T74] fib6_rule_lookup+0x456/0x630 [ 3504.957744][ T74] ip6_route_input+0x59c/0xa50 [ 3504.957744][ T74] ipv6_rcv+0x397/0x810 [ 3504.957744][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3504.957744][ T74] process_backlog+0x101/0x620 [ 3504.957744][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3504.957744][ T74] net_rx_action+0x495/0xbe0 [ 3504.957744][ T74] __do_softirq+0x1b5/0x7f6 [ 3504.957744][ T74] [ 3504.959394][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3504.959394][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3504.959394][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3504.959394][ T74] fib6_nh_init+0xa22/0x1580 [ 3504.959394][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3504.959394][ T74] ip6_route_add+0x1c/0x140 [ 3504.959394][ T74] inet6_rtm_newroute+0x104/0x110 [ 3504.959394][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3504.959394][ T74] netlink_rcv_skb+0x130/0x360 [ 3504.959394][ T74] netlink_unicast+0x449/0x710 [ 3504.959394][ T74] netlink_sendmsg+0x723/0xbe0 [ 3504.959394][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3504.959394][ T74] ___sys_sendmsg+0xee/0x170 [ 3504.959394][ T74] __sys_sendmsg+0xcd/0x170 [ 3504.959394][ T74] do_syscall_64+0xc6/0x1e0 [ 3504.959394][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3504.959394][ T74] [ 3504.961288][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3504.961288][ T74] netdev_get_by_index+0x5e/0x80 [ 3504.961288][ T74] fib6_nh_init+0x3d8/0x1580 [ 3504.961288][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3504.961288][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3504.961288][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3504.961288][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3504.961288][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3504.961288][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3504.961288][ T74] addrconf_dad_begin+0x310/0x670 [ 3504.961288][ T74] addrconf_dad_work+0x10b/0xab0 [ 3504.961288][ T74] process_one_work+0x84d/0x18a0 [ 3504.961288][ T74] worker_thread+0x587/0xd30 [ 3504.961288][ T74] kthread+0x28a/0x350 [ 3504.961288][ T74] ret_from_fork+0x31/0x70 [ 3504.961288][ T74] ret_from_fork_asm+0x1a/0x30 [ 3504.961288][ T74] [ 3504.963230][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3504.963230][ T74] netdev_get_by_index+0x5e/0x80 [ 3504.963230][ T74] fib6_nh_init+0x3d8/0x1580 [ 3504.963230][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3504.963230][ T74] ip6_route_add+0x1c/0x140 [ 3504.963230][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3504.963230][ T74] inet6_addr_add+0x4f8/0xa40 [ 3504.963230][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3504.963230][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3504.963230][ T74] netlink_rcv_skb+0x130/0x360 [ 3504.963230][ T74] netlink_unicast+0x449/0x710 [ 3504.963230][ T74] netlink_sendmsg+0x723/0xbe0 [ 3504.963230][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3504.963230][ T74] ___sys_sendmsg+0xee/0x170 [ 3504.963230][ T74] __sys_sendmsg+0xcd/0x170 [ 3504.963230][ T74] do_syscall_64+0xc6/0x1e0 [ 3504.963230][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3504.963230][ T74] [ 3504.965263][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3504.965263][ T74] netdev_get_by_index+0x5e/0x80 [ 3504.965263][ T74] fib6_nh_init+0x3d8/0x1580 [ 3504.965263][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3504.965263][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3504.965263][ T74] ipv6_add_addr+0x411/0x2000 [ 3504.965263][ T74] inet6_addr_add+0x30e/0xa40 [ 3504.965263][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3504.965263][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3504.965263][ T74] netlink_rcv_skb+0x130/0x360 [ 3504.965263][ T74] netlink_unicast+0x449/0x710 [ 3504.965263][ T74] netlink_sendmsg+0x723/0xbe0 [ 3504.965263][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3504.965263][ T74] ___sys_sendmsg+0xee/0x170 [ 3504.965263][ T74] __sys_sendmsg+0xcd/0x170 [ 3504.965263][ T74] do_syscall_64+0xc6/0x1e0 [ 3504.965263][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3504.965263][ T74] [ 3504.967283][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3504.967283][ T74] netdev_get_by_index+0x5e/0x80 [ 3504.967283][ T74] fib6_nh_init+0x3d8/0x1580 [ 3504.967283][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3504.967283][ T74] ip6_route_add+0x1c/0x140 [ 3504.967283][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3504.967283][ T74] addrconf_add_dev+0xe2/0x170 [ 3504.967283][ T74] inet6_addr_add+0x12f/0xa40 [ 3504.967283][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3504.967283][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3504.967283][ T74] netlink_rcv_skb+0x130/0x360 [ 3504.967283][ T74] netlink_unicast+0x449/0x710 [ 3504.967283][ T74] netlink_sendmsg+0x723/0xbe0 [ 3504.967283][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3504.967283][ T74] ___sys_sendmsg+0xee/0x170 [ 3504.967283][ T74] __sys_sendmsg+0xcd/0x170 [ 3504.967283][ T74] do_syscall_64+0xc6/0x1e0 [ 3504.967283][ T74] [ 3504.969253][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3504.969253][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3504.969253][ T74] ipv6_find_idev+0x102/0x170 [ 3504.969253][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3504.969253][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3504.969253][ T74] netlink_rcv_skb+0x130/0x360 [ 3504.969253][ T74] netlink_unicast+0x449/0x710 [ 3504.969253][ T74] netlink_sendmsg+0x723/0xbe0 [ 3504.969253][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3504.969253][ T74] ___sys_sendmsg+0xee/0x170 [ 3504.969253][ T74] __sys_sendmsg+0xcd/0x170 [ 3504.969253][ T74] do_syscall_64+0xc6/0x1e0 [ 3504.969253][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3504.969253][ T74] [ 3504.970941][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3504.970941][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3504.970941][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3504.970941][ T74] ipv6_find_idev+0x102/0x170 [ 3504.970941][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3504.970941][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3504.970941][ T74] netlink_rcv_skb+0x130/0x360 [ 3504.970941][ T74] netlink_unicast+0x449/0x710 [ 3504.970941][ T74] netlink_sendmsg+0x723/0xbe0 [ 3504.970941][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3504.970941][ T74] ___sys_sendmsg+0xee/0x170 [ 3504.970941][ T74] __sys_sendmsg+0xcd/0x170 [ 3504.970941][ T74] do_syscall_64+0xc6/0x1e0 [ 3504.970941][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3504.970941][ T74] [ 3504.972795][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3504.973047][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3504.973047][ T74] netdev_get_by_index+0x5e/0x80 [ 3504.973047][ T74] fib6_nh_init+0x3d8/0x1580 [ 3504.973047][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3504.973047][ T74] ip6_route_add+0x1c/0x140 [ 3504.973047][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3504.973047][ T74] inet6_addr_add+0x4f8/0xa40 [ 3504.973047][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3504.973047][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3504.973047][ T74] netlink_rcv_skb+0x130/0x360 [ 3504.973047][ T74] netlink_unicast+0x449/0x710 [ 3504.973047][ T74] netlink_sendmsg+0x723/0xbe0 [ 3504.973047][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3504.973047][ T74] ___sys_sendmsg+0xee/0x170 [ 3504.973047][ T74] __sys_sendmsg+0xcd/0x170 [ 3504.973047][ T74] do_syscall_64+0xc6/0x1e0 [ 3504.973047][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3504.973047][ T74] [ 3504.975205][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3504.975205][ T74] netdev_get_by_index+0x5e/0x80 [ 3504.975205][ T74] fib6_nh_init+0x3d8/0x1580 [ 3504.975205][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3504.975205][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3504.975205][ T74] ipv6_add_addr+0x411/0x2000 [ 3504.975205][ T74] inet6_addr_add+0x30e/0xa40 [ 3504.975205][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3504.975205][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3504.975205][ T74] netlink_rcv_skb+0x130/0x360 [ 3504.975205][ T74] netlink_unicast+0x449/0x710 [ 3504.975205][ T74] netlink_sendmsg+0x723/0xbe0 [ 3504.975205][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3504.975205][ T74] ___sys_sendmsg+0xee/0x170 [ 3504.975205][ T74] __sys_sendmsg+0xcd/0x170 [ 3504.975205][ T74] do_syscall_64+0xc6/0x1e0 [ 3504.975205][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3504.975205][ T74] [ 3504.977347][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3504.977347][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3504.977347][ T74] ipv6_find_idev+0x102/0x170 [ 3504.977347][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3504.977347][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3504.977347][ T74] netlink_rcv_skb+0x130/0x360 [ 3504.977347][ T74] netlink_unicast+0x449/0x710 [ 3504.977347][ T74] netlink_sendmsg+0x723/0xbe0 [ 3504.977347][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3504.977347][ T74] ___sys_sendmsg+0xee/0x170 [ 3504.977347][ T74] __sys_sendmsg+0xcd/0x170 [ 3504.977347][ T74] do_syscall_64+0xc6/0x1e0 [ 3504.977347][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3504.977347][ T74] [ 3504.978970][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3504.978970][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3504.978970][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3504.978970][ T74] ipv6_find_idev+0x102/0x170 [ 3504.978970][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3504.978970][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3504.978970][ T74] netlink_rcv_skb+0x130/0x360 [ 3504.978970][ T74] netlink_unicast+0x449/0x710 [ 3504.978970][ T74] netlink_sendmsg+0x723/0xbe0 [ 3504.978970][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3504.978970][ T74] ___sys_sendmsg+0xee/0x170 [ 3504.978970][ T74] __sys_sendmsg+0xcd/0x170 [ 3504.978970][ T74] do_syscall_64+0xc6/0x1e0 [ 3504.978970][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3504.978970][ T74] [ 3515.215997][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3515.216428][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3515.216428][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3515.216428][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3515.216428][ T74] fib6_nh_init+0xa22/0x1580 [ 3515.216428][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3515.216428][ T74] ip6_route_add+0x1c/0x140 [ 3515.216428][ T74] inet6_rtm_newroute+0x104/0x110 [ 3515.216428][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3515.216428][ T74] netlink_rcv_skb+0x130/0x360 [ 3515.216428][ T74] netlink_unicast+0x449/0x710 [ 3515.216428][ T74] netlink_sendmsg+0x723/0xbe0 [ 3515.216428][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3515.216428][ T74] ___sys_sendmsg+0xee/0x170 [ 3515.216428][ T74] __sys_sendmsg+0xcd/0x170 [ 3515.216428][ T74] do_syscall_64+0xc6/0x1e0 [ 3515.216428][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3515.216428][ T74] [ 3515.218362][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3515.218362][ T74] netdev_get_by_index+0x5e/0x80 [ 3515.218362][ T74] fib6_nh_init+0x3d8/0x1580 [ 3515.218362][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3515.218362][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3515.218362][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3515.218362][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3515.218362][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3515.218362][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3515.218362][ T74] addrconf_dad_begin+0x310/0x670 [ 3515.218362][ T74] addrconf_dad_work+0x10b/0xab0 [ 3515.218362][ T74] process_one_work+0x84d/0x18a0 [ 3515.218362][ T74] worker_thread+0x587/0xd30 [ 3515.218362][ T74] kthread+0x28a/0x350 [ 3515.218362][ T74] ret_from_fork+0x31/0x70 [ 3515.218362][ T74] ret_from_fork_asm+0x1a/0x30 [ 3515.218362][ T74] [ 3515.220314][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3515.220314][ T74] netdev_get_by_index+0x5e/0x80 [ 3515.220314][ T74] fib6_nh_init+0x3d8/0x1580 [ 3515.220314][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3515.220314][ T74] ip6_route_add+0x1c/0x140 [ 3515.220314][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3515.220314][ T74] inet6_addr_add+0x4f8/0xa40 [ 3515.220314][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3515.220314][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3515.220314][ T74] netlink_rcv_skb+0x130/0x360 [ 3515.220314][ T74] netlink_unicast+0x449/0x710 [ 3515.220314][ T74] netlink_sendmsg+0x723/0xbe0 [ 3515.220314][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3515.220314][ T74] ___sys_sendmsg+0xee/0x170 [ 3515.220314][ T74] __sys_sendmsg+0xcd/0x170 [ 3515.220314][ T74] do_syscall_64+0xc6/0x1e0 [ 3515.220314][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3515.220314][ T74] [ 3515.222354][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3515.222354][ T74] netdev_get_by_index+0x5e/0x80 [ 3515.222354][ T74] fib6_nh_init+0x3d8/0x1580 [ 3515.222354][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3515.222354][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3515.222354][ T74] ipv6_add_addr+0x411/0x2000 [ 3515.222354][ T74] inet6_addr_add+0x30e/0xa40 [ 3515.222354][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3515.222354][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3515.222354][ T74] netlink_rcv_skb+0x130/0x360 [ 3515.222354][ T74] netlink_unicast+0x449/0x710 [ 3515.222354][ T74] netlink_sendmsg+0x723/0xbe0 [ 3515.222354][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3515.222354][ T74] ___sys_sendmsg+0xee/0x170 [ 3515.222354][ T74] __sys_sendmsg+0xcd/0x170 [ 3515.222354][ T74] do_syscall_64+0xc6/0x1e0 [ 3515.222354][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3515.222354][ T74] [ 3515.224390][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3515.224390][ T74] netdev_get_by_index+0x5e/0x80 [ 3515.224390][ T74] fib6_nh_init+0x3d8/0x1580 [ 3515.224390][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3515.224390][ T74] ip6_route_add+0x1c/0x140 [ 3515.224390][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3515.224390][ T74] addrconf_add_dev+0xe2/0x170 [ 3515.224390][ T74] inet6_addr_add+0x12f/0xa40 [ 3515.224390][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3515.224390][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3515.224390][ T74] netlink_rcv_skb+0x130/0x360 [ 3515.224390][ T74] netlink_unicast+0x449/0x710 [ 3515.224390][ T74] netlink_sendmsg+0x723/0xbe0 [ 3515.224390][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3515.224390][ T74] ___sys_sendmsg+0xee/0x170 [ 3515.224390][ T74] __sys_sendmsg+0xcd/0x170 [ 3515.224390][ T74] do_syscall_64+0xc6/0x1e0 [ 3515.224390][ T74] [ 3515.226383][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3515.226383][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3515.226383][ T74] ipv6_find_idev+0x102/0x170 [ 3515.226383][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3515.226383][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3515.226383][ T74] netlink_rcv_skb+0x130/0x360 [ 3515.226383][ T74] netlink_unicast+0x449/0x710 [ 3515.226383][ T74] netlink_sendmsg+0x723/0xbe0 [ 3515.226383][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3515.226383][ T74] ___sys_sendmsg+0xee/0x170 [ 3515.226383][ T74] __sys_sendmsg+0xcd/0x170 [ 3515.226383][ T74] do_syscall_64+0xc6/0x1e0 [ 3515.226383][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3515.226383][ T74] [ 3515.227950][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3515.227950][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3515.227950][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3515.227950][ T74] ipv6_find_idev+0x102/0x170 [ 3515.227950][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3515.227950][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3515.227950][ T74] netlink_rcv_skb+0x130/0x360 [ 3515.227950][ T74] netlink_unicast+0x449/0x710 [ 3515.227950][ T74] netlink_sendmsg+0x723/0xbe0 [ 3515.227950][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3515.227950][ T74] ___sys_sendmsg+0xee/0x170 [ 3515.227950][ T74] __sys_sendmsg+0xcd/0x170 [ 3515.227950][ T74] do_syscall_64+0xc6/0x1e0 [ 3515.227950][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3515.227950][ T74] [ 3515.229688][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3515.229979][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3515.229979][ T74] dst_init+0x84/0x4a0 [ 3515.229979][ T74] dst_alloc+0x97/0x150 [ 3515.229979][ T74] ip6_dst_alloc+0x23/0x90 [ 3515.229979][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3515.229979][ T74] ip6_pol_route+0x56f/0x840 [ 3515.229979][ T74] fib6_rule_lookup+0x456/0x630 [ 3515.229979][ T74] ip6_route_input+0x59c/0xa50 [ 3515.229979][ T74] ipv6_rcv+0x397/0x810 [ 3515.229979][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3515.229979][ T74] process_backlog+0x101/0x620 [ 3515.229979][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3515.229979][ T74] net_rx_action+0x495/0xbe0 [ 3515.229979][ T74] __do_softirq+0x1b5/0x7f6 [ 3515.229979][ T74] [ 3515.231635][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3515.231635][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3515.231635][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3515.231635][ T74] fib6_nh_init+0xa22/0x1580 [ 3515.231635][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3515.231635][ T74] ip6_route_add+0x1c/0x140 [ 3515.231635][ T74] inet6_rtm_newroute+0x104/0x110 [ 3515.231635][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3515.231635][ T74] netlink_rcv_skb+0x130/0x360 [ 3515.231635][ T74] netlink_unicast+0x449/0x710 [ 3515.231635][ T74] netlink_sendmsg+0x723/0xbe0 [ 3515.231635][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3515.231635][ T74] ___sys_sendmsg+0xee/0x170 [ 3515.231635][ T74] __sys_sendmsg+0xcd/0x170 [ 3515.231635][ T74] do_syscall_64+0xc6/0x1e0 [ 3515.231635][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3515.231635][ T74] [ 3515.233541][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3515.233541][ T74] netdev_get_by_index+0x5e/0x80 [ 3515.233541][ T74] fib6_nh_init+0x3d8/0x1580 [ 3515.233541][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3515.233541][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3515.233541][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3515.233541][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3515.233541][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3515.233541][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3515.233541][ T74] addrconf_dad_begin+0x310/0x670 [ 3515.233541][ T74] addrconf_dad_work+0x10b/0xab0 [ 3515.233541][ T74] process_one_work+0x84d/0x18a0 [ 3515.233541][ T74] worker_thread+0x587/0xd30 [ 3515.233541][ T74] kthread+0x28a/0x350 [ 3515.233541][ T74] ret_from_fork+0x31/0x70 [ 3515.233541][ T74] ret_from_fork_asm+0x1a/0x30 [ 3515.233541][ T74] [ 3515.235487][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3515.235487][ T74] netdev_get_by_index+0x5e/0x80 [ 3515.235487][ T74] fib6_nh_init+0x3d8/0x1580 [ 3515.235487][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3515.235487][ T74] ip6_route_add+0x1c/0x140 [ 3515.235487][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3515.235487][ T74] inet6_addr_add+0x4f8/0xa40 [ 3515.235487][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3515.235487][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3515.235487][ T74] netlink_rcv_skb+0x130/0x360 [ 3515.235487][ T74] netlink_unicast+0x449/0x710 [ 3515.235487][ T74] netlink_sendmsg+0x723/0xbe0 [ 3515.235487][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3515.235487][ T74] ___sys_sendmsg+0xee/0x170 [ 3515.235487][ T74] __sys_sendmsg+0xcd/0x170 [ 3515.235487][ T74] do_syscall_64+0xc6/0x1e0 [ 3515.235487][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3515.235487][ T74] [ 3515.237507][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3515.237507][ T74] netdev_get_by_index+0x5e/0x80 [ 3515.237507][ T74] fib6_nh_init+0x3d8/0x1580 [ 3515.237507][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3515.237507][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3515.237507][ T74] ipv6_add_addr+0x411/0x2000 [ 3515.237507][ T74] inet6_addr_add+0x30e/0xa40 [ 3515.237507][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3515.237507][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3515.237507][ T74] netlink_rcv_skb+0x130/0x360 [ 3515.237507][ T74] netlink_unicast+0x449/0x710 [ 3515.237507][ T74] netlink_sendmsg+0x723/0xbe0 [ 3515.237507][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3515.237507][ T74] ___sys_sendmsg+0xee/0x170 [ 3515.237507][ T74] __sys_sendmsg+0xcd/0x170 [ 3515.237507][ T74] do_syscall_64+0xc6/0x1e0 [ 3515.237507][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3515.237507][ T74] [ 3515.239530][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3515.239530][ T74] netdev_get_by_index+0x5e/0x80 [ 3515.239530][ T74] fib6_nh_init+0x3d8/0x1580 [ 3515.239530][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3515.239530][ T74] ip6_route_add+0x1c/0x140 [ 3515.239530][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3515.239530][ T74] addrconf_add_dev+0xe2/0x170 [ 3515.239530][ T74] inet6_addr_add+0x12f/0xa40 [ 3515.239530][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3515.239530][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3515.239530][ T74] netlink_rcv_skb+0x130/0x360 [ 3515.239530][ T74] netlink_unicast+0x449/0x710 [ 3515.239530][ T74] netlink_sendmsg+0x723/0xbe0 [ 3515.239530][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3515.239530][ T74] ___sys_sendmsg+0xee/0x170 [ 3515.239530][ T74] __sys_sendmsg+0xcd/0x170 [ 3515.239530][ T74] do_syscall_64+0xc6/0x1e0 [ 3515.239530][ T74] [ 3515.241533][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3515.241533][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3515.241533][ T74] ipv6_find_idev+0x102/0x170 [ 3515.241533][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3515.241533][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3515.241533][ T74] netlink_rcv_skb+0x130/0x360 [ 3515.241533][ T74] netlink_unicast+0x449/0x710 [ 3515.241533][ T74] netlink_sendmsg+0x723/0xbe0 [ 3515.241533][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3515.241533][ T74] ___sys_sendmsg+0xee/0x170 [ 3515.241533][ T74] __sys_sendmsg+0xcd/0x170 [ 3515.241533][ T74] do_syscall_64+0xc6/0x1e0 [ 3515.241533][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3515.241533][ T74] [ 3515.243277][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3515.243277][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3515.243277][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3515.243277][ T74] ipv6_find_idev+0x102/0x170 [ 3515.243277][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3515.243277][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3515.243277][ T74] netlink_rcv_skb+0x130/0x360 [ 3515.243277][ T74] netlink_unicast+0x449/0x710 [ 3515.243277][ T74] netlink_sendmsg+0x723/0xbe0 [ 3515.243277][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3515.243277][ T74] ___sys_sendmsg+0xee/0x170 [ 3515.243277][ T74] __sys_sendmsg+0xcd/0x170 [ 3515.243277][ T74] do_syscall_64+0xc6/0x1e0 [ 3515.243277][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3515.243277][ T74] [ 3515.245169][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3515.245415][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3515.245415][ T74] netdev_get_by_index+0x5e/0x80 [ 3515.245415][ T74] fib6_nh_init+0x3d8/0x1580 [ 3515.245415][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3515.245415][ T74] ip6_route_add+0x1c/0x140 [ 3515.245415][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3515.245415][ T74] inet6_addr_add+0x4f8/0xa40 [ 3515.245415][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3515.245415][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3515.245415][ T74] netlink_rcv_skb+0x130/0x360 [ 3515.245415][ T74] netlink_unicast+0x449/0x710 [ 3515.245415][ T74] netlink_sendmsg+0x723/0xbe0 [ 3515.245415][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3515.245415][ T74] ___sys_sendmsg+0xee/0x170 [ 3515.245415][ T74] __sys_sendmsg+0xcd/0x170 [ 3515.245415][ T74] do_syscall_64+0xc6/0x1e0 [ 3515.245415][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3515.245415][ T74] [ 3515.247762][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3515.247762][ T74] netdev_get_by_index+0x5e/0x80 [ 3515.247762][ T74] fib6_nh_init+0x3d8/0x1580 [ 3515.247762][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3515.247762][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3515.247762][ T74] ipv6_add_addr+0x411/0x2000 [ 3515.247762][ T74] inet6_addr_add+0x30e/0xa40 [ 3515.247762][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3515.247762][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3515.247762][ T74] netlink_rcv_skb+0x130/0x360 [ 3515.247762][ T74] netlink_unicast+0x449/0x710 [ 3515.247762][ T74] netlink_sendmsg+0x723/0xbe0 [ 3515.247762][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3515.247762][ T74] ___sys_sendmsg+0xee/0x170 [ 3515.247762][ T74] __sys_sendmsg+0xcd/0x170 [ 3515.247762][ T74] do_syscall_64+0xc6/0x1e0 [ 3515.247762][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3515.247762][ T74] [ 3515.250014][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3515.250014][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3515.250014][ T74] ipv6_find_idev+0x102/0x170 [ 3515.250014][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3515.250014][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3515.250014][ T74] netlink_rcv_skb+0x130/0x360 [ 3515.250014][ T74] netlink_unicast+0x449/0x710 [ 3515.250014][ T74] netlink_sendmsg+0x723/0xbe0 [ 3515.250014][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3515.250014][ T74] ___sys_sendmsg+0xee/0x170 [ 3515.250014][ T74] __sys_sendmsg+0xcd/0x170 [ 3515.250014][ T74] do_syscall_64+0xc6/0x1e0 [ 3515.250014][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3515.250014][ T74] [ 3515.251698][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3515.251698][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3515.251698][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3515.251698][ T74] ipv6_find_idev+0x102/0x170 [ 3515.251698][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3515.251698][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3515.251698][ T74] netlink_rcv_skb+0x130/0x360 [ 3515.251698][ T74] netlink_unicast+0x449/0x710 [ 3515.251698][ T74] netlink_sendmsg+0x723/0xbe0 [ 3515.251698][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3515.251698][ T74] ___sys_sendmsg+0xee/0x170 [ 3515.251698][ T74] __sys_sendmsg+0xcd/0x170 [ 3515.251698][ T74] do_syscall_64+0xc6/0x1e0 [ 3515.251698][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3515.251698][ T74] [ 3525.495984][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3525.496391][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3525.496391][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3525.496391][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3525.496391][ T74] fib6_nh_init+0xa22/0x1580 [ 3525.496391][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3525.496391][ T74] ip6_route_add+0x1c/0x140 [ 3525.496391][ T74] inet6_rtm_newroute+0x104/0x110 [ 3525.496391][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3525.496391][ T74] netlink_rcv_skb+0x130/0x360 [ 3525.496391][ T74] netlink_unicast+0x449/0x710 [ 3525.496391][ T74] netlink_sendmsg+0x723/0xbe0 [ 3525.496391][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3525.496391][ T74] ___sys_sendmsg+0xee/0x170 [ 3525.496391][ T74] __sys_sendmsg+0xcd/0x170 [ 3525.496391][ T74] do_syscall_64+0xc6/0x1e0 [ 3525.496391][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3525.496391][ T74] [ 3525.498305][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3525.498305][ T74] netdev_get_by_index+0x5e/0x80 [ 3525.498305][ T74] fib6_nh_init+0x3d8/0x1580 [ 3525.498305][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3525.498305][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3525.498305][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3525.498305][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3525.498305][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3525.498305][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3525.498305][ T74] addrconf_dad_begin+0x310/0x670 [ 3525.498305][ T74] addrconf_dad_work+0x10b/0xab0 [ 3525.498305][ T74] process_one_work+0x84d/0x18a0 [ 3525.498305][ T74] worker_thread+0x587/0xd30 [ 3525.498305][ T74] kthread+0x28a/0x350 [ 3525.498305][ T74] ret_from_fork+0x31/0x70 [ 3525.498305][ T74] ret_from_fork_asm+0x1a/0x30 [ 3525.498305][ T74] [ 3525.500247][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3525.500247][ T74] netdev_get_by_index+0x5e/0x80 [ 3525.500247][ T74] fib6_nh_init+0x3d8/0x1580 [ 3525.500247][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3525.500247][ T74] ip6_route_add+0x1c/0x140 [ 3525.500247][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3525.500247][ T74] inet6_addr_add+0x4f8/0xa40 [ 3525.500247][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3525.500247][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3525.500247][ T74] netlink_rcv_skb+0x130/0x360 [ 3525.500247][ T74] netlink_unicast+0x449/0x710 [ 3525.500247][ T74] netlink_sendmsg+0x723/0xbe0 [ 3525.500247][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3525.500247][ T74] ___sys_sendmsg+0xee/0x170 [ 3525.500247][ T74] __sys_sendmsg+0xcd/0x170 [ 3525.500247][ T74] do_syscall_64+0xc6/0x1e0 [ 3525.500247][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3525.500247][ T74] [ 3525.502278][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3525.502278][ T74] netdev_get_by_index+0x5e/0x80 [ 3525.502278][ T74] fib6_nh_init+0x3d8/0x1580 [ 3525.502278][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3525.502278][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3525.502278][ T74] ipv6_add_addr+0x411/0x2000 [ 3525.502278][ T74] inet6_addr_add+0x30e/0xa40 [ 3525.502278][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3525.502278][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3525.502278][ T74] netlink_rcv_skb+0x130/0x360 [ 3525.502278][ T74] netlink_unicast+0x449/0x710 [ 3525.502278][ T74] netlink_sendmsg+0x723/0xbe0 [ 3525.502278][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3525.502278][ T74] ___sys_sendmsg+0xee/0x170 [ 3525.502278][ T74] __sys_sendmsg+0xcd/0x170 [ 3525.502278][ T74] do_syscall_64+0xc6/0x1e0 [ 3525.502278][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3525.502278][ T74] [ 3525.504313][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3525.504313][ T74] netdev_get_by_index+0x5e/0x80 [ 3525.504313][ T74] fib6_nh_init+0x3d8/0x1580 [ 3525.504313][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3525.504313][ T74] ip6_route_add+0x1c/0x140 [ 3525.504313][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3525.504313][ T74] addrconf_add_dev+0xe2/0x170 [ 3525.504313][ T74] inet6_addr_add+0x12f/0xa40 [ 3525.504313][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3525.504313][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3525.504313][ T74] netlink_rcv_skb+0x130/0x360 [ 3525.504313][ T74] netlink_unicast+0x449/0x710 [ 3525.504313][ T74] netlink_sendmsg+0x723/0xbe0 [ 3525.504313][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3525.504313][ T74] ___sys_sendmsg+0xee/0x170 [ 3525.504313][ T74] __sys_sendmsg+0xcd/0x170 [ 3525.504313][ T74] do_syscall_64+0xc6/0x1e0 [ 3525.504313][ T74] [ 3525.506291][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3525.506291][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3525.506291][ T74] ipv6_find_idev+0x102/0x170 [ 3525.506291][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3525.506291][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3525.506291][ T74] netlink_rcv_skb+0x130/0x360 [ 3525.506291][ T74] netlink_unicast+0x449/0x710 [ 3525.506291][ T74] netlink_sendmsg+0x723/0xbe0 [ 3525.506291][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3525.506291][ T74] ___sys_sendmsg+0xee/0x170 [ 3525.506291][ T74] __sys_sendmsg+0xcd/0x170 [ 3525.506291][ T74] do_syscall_64+0xc6/0x1e0 [ 3525.506291][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3525.506291][ T74] [ 3525.507840][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3525.507840][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3525.507840][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3525.507840][ T74] ipv6_find_idev+0x102/0x170 [ 3525.507840][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3525.507840][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3525.507840][ T74] netlink_rcv_skb+0x130/0x360 [ 3525.507840][ T74] netlink_unicast+0x449/0x710 [ 3525.507840][ T74] netlink_sendmsg+0x723/0xbe0 [ 3525.507840][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3525.507840][ T74] ___sys_sendmsg+0xee/0x170 [ 3525.507840][ T74] __sys_sendmsg+0xcd/0x170 [ 3525.507840][ T74] do_syscall_64+0xc6/0x1e0 [ 3525.507840][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3525.507840][ T74] [ 3525.509561][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3525.509830][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3525.509830][ T74] dst_init+0x84/0x4a0 [ 3525.509830][ T74] dst_alloc+0x97/0x150 [ 3525.509830][ T74] ip6_dst_alloc+0x23/0x90 [ 3525.509830][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3525.509830][ T74] ip6_pol_route+0x56f/0x840 [ 3525.509830][ T74] fib6_rule_lookup+0x456/0x630 [ 3525.509830][ T74] ip6_route_input+0x59c/0xa50 [ 3525.509830][ T74] ipv6_rcv+0x397/0x810 [ 3525.509830][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3525.509830][ T74] process_backlog+0x101/0x620 [ 3525.509830][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3525.509830][ T74] net_rx_action+0x495/0xbe0 [ 3525.509830][ T74] __do_softirq+0x1b5/0x7f6 [ 3525.509830][ T74] [ 3525.511483][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3525.511483][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3525.511483][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3525.511483][ T74] fib6_nh_init+0xa22/0x1580 [ 3525.511483][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3525.511483][ T74] ip6_route_add+0x1c/0x140 [ 3525.511483][ T74] inet6_rtm_newroute+0x104/0x110 [ 3525.511483][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3525.511483][ T74] netlink_rcv_skb+0x130/0x360 [ 3525.511483][ T74] netlink_unicast+0x449/0x710 [ 3525.511483][ T74] netlink_sendmsg+0x723/0xbe0 [ 3525.511483][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3525.511483][ T74] ___sys_sendmsg+0xee/0x170 [ 3525.511483][ T74] __sys_sendmsg+0xcd/0x170 [ 3525.511483][ T74] do_syscall_64+0xc6/0x1e0 [ 3525.511483][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3525.511483][ T74] [ 3525.513403][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3525.513403][ T74] netdev_get_by_index+0x5e/0x80 [ 3525.513403][ T74] fib6_nh_init+0x3d8/0x1580 [ 3525.513403][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3525.513403][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3525.513403][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3525.513403][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3525.513403][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3525.513403][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3525.513403][ T74] addrconf_dad_begin+0x310/0x670 [ 3525.513403][ T74] addrconf_dad_work+0x10b/0xab0 [ 3525.513403][ T74] process_one_work+0x84d/0x18a0 [ 3525.513403][ T74] worker_thread+0x587/0xd30 [ 3525.513403][ T74] kthread+0x28a/0x350 [ 3525.513403][ T74] ret_from_fork+0x31/0x70 [ 3525.513403][ T74] ret_from_fork_asm+0x1a/0x30 [ 3525.513403][ T74] [ 3525.515333][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3525.515333][ T74] netdev_get_by_index+0x5e/0x80 [ 3525.515333][ T74] fib6_nh_init+0x3d8/0x1580 [ 3525.515333][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3525.515333][ T74] ip6_route_add+0x1c/0x140 [ 3525.515333][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3525.515333][ T74] inet6_addr_add+0x4f8/0xa40 [ 3525.515333][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3525.515333][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3525.515333][ T74] netlink_rcv_skb+0x130/0x360 [ 3525.515333][ T74] netlink_unicast+0x449/0x710 [ 3525.515333][ T74] netlink_sendmsg+0x723/0xbe0 [ 3525.515333][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3525.515333][ T74] ___sys_sendmsg+0xee/0x170 [ 3525.515333][ T74] __sys_sendmsg+0xcd/0x170 [ 3525.515333][ T74] do_syscall_64+0xc6/0x1e0 [ 3525.515333][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3525.515333][ T74] [ 3525.517467][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3525.517467][ T74] netdev_get_by_index+0x5e/0x80 [ 3525.517467][ T74] fib6_nh_init+0x3d8/0x1580 [ 3525.517467][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3525.517467][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3525.517467][ T74] ipv6_add_addr+0x411/0x2000 [ 3525.517467][ T74] inet6_addr_add+0x30e/0xa40 [ 3525.517467][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3525.517467][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3525.517467][ T74] netlink_rcv_skb+0x130/0x360 [ 3525.517467][ T74] netlink_unicast+0x449/0x710 [ 3525.517467][ T74] netlink_sendmsg+0x723/0xbe0 [ 3525.517467][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3525.517467][ T74] ___sys_sendmsg+0xee/0x170 [ 3525.517467][ T74] __sys_sendmsg+0xcd/0x170 [ 3525.517467][ T74] do_syscall_64+0xc6/0x1e0 [ 3525.517467][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3525.517467][ T74] [ 3525.519471][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3525.519471][ T74] netdev_get_by_index+0x5e/0x80 [ 3525.519471][ T74] fib6_nh_init+0x3d8/0x1580 [ 3525.519471][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3525.519471][ T74] ip6_route_add+0x1c/0x140 [ 3525.519471][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3525.519471][ T74] addrconf_add_dev+0xe2/0x170 [ 3525.519471][ T74] inet6_addr_add+0x12f/0xa40 [ 3525.519471][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3525.519471][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3525.519471][ T74] netlink_rcv_skb+0x130/0x360 [ 3525.519471][ T74] netlink_unicast+0x449/0x710 [ 3525.519471][ T74] netlink_sendmsg+0x723/0xbe0 [ 3525.519471][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3525.519471][ T74] ___sys_sendmsg+0xee/0x170 [ 3525.519471][ T74] __sys_sendmsg+0xcd/0x170 [ 3525.519471][ T74] do_syscall_64+0xc6/0x1e0 [ 3525.519471][ T74] [ 3525.521429][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3525.521429][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3525.521429][ T74] ipv6_find_idev+0x102/0x170 [ 3525.521429][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3525.521429][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3525.521429][ T74] netlink_rcv_skb+0x130/0x360 [ 3525.521429][ T74] netlink_unicast+0x449/0x710 [ 3525.521429][ T74] netlink_sendmsg+0x723/0xbe0 [ 3525.521429][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3525.521429][ T74] ___sys_sendmsg+0xee/0x170 [ 3525.521429][ T74] __sys_sendmsg+0xcd/0x170 [ 3525.521429][ T74] do_syscall_64+0xc6/0x1e0 [ 3525.521429][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3525.521429][ T74] [ 3525.523185][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3525.523185][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3525.523185][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3525.523185][ T74] ipv6_find_idev+0x102/0x170 [ 3525.523185][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3525.523185][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3525.523185][ T74] netlink_rcv_skb+0x130/0x360 [ 3525.523185][ T74] netlink_unicast+0x449/0x710 [ 3525.523185][ T74] netlink_sendmsg+0x723/0xbe0 [ 3525.523185][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3525.523185][ T74] ___sys_sendmsg+0xee/0x170 [ 3525.523185][ T74] __sys_sendmsg+0xcd/0x170 [ 3525.523185][ T74] do_syscall_64+0xc6/0x1e0 [ 3525.523185][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3525.523185][ T74] [ 3525.525074][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3525.525312][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3525.525312][ T74] netdev_get_by_index+0x5e/0x80 [ 3525.525312][ T74] fib6_nh_init+0x3d8/0x1580 [ 3525.525312][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3525.525312][ T74] ip6_route_add+0x1c/0x140 [ 3525.525312][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3525.525312][ T74] inet6_addr_add+0x4f8/0xa40 [ 3525.525312][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3525.525312][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3525.525312][ T74] netlink_rcv_skb+0x130/0x360 [ 3525.525312][ T74] netlink_unicast+0x449/0x710 [ 3525.525312][ T74] netlink_sendmsg+0x723/0xbe0 [ 3525.525312][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3525.525312][ T74] ___sys_sendmsg+0xee/0x170 [ 3525.525312][ T74] __sys_sendmsg+0xcd/0x170 [ 3525.525312][ T74] do_syscall_64+0xc6/0x1e0 [ 3525.525312][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3525.525312][ T74] [ 3525.527564][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3525.527564][ T74] netdev_get_by_index+0x5e/0x80 [ 3525.527564][ T74] fib6_nh_init+0x3d8/0x1580 [ 3525.527564][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3525.527564][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3525.527564][ T74] ipv6_add_addr+0x411/0x2000 [ 3525.527564][ T74] inet6_addr_add+0x30e/0xa40 [ 3525.527564][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3525.527564][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3525.527564][ T74] netlink_rcv_skb+0x130/0x360 [ 3525.527564][ T74] netlink_unicast+0x449/0x710 [ 3525.527564][ T74] netlink_sendmsg+0x723/0xbe0 [ 3525.527564][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3525.527564][ T74] ___sys_sendmsg+0xee/0x170 [ 3525.527564][ T74] __sys_sendmsg+0xcd/0x170 [ 3525.527564][ T74] do_syscall_64+0xc6/0x1e0 [ 3525.527564][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3525.527564][ T74] [ 3525.529814][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3525.529814][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3525.529814][ T74] ipv6_find_idev+0x102/0x170 [ 3525.529814][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3525.529814][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3525.529814][ T74] netlink_rcv_skb+0x130/0x360 [ 3525.529814][ T74] netlink_unicast+0x449/0x710 [ 3525.529814][ T74] netlink_sendmsg+0x723/0xbe0 [ 3525.529814][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3525.529814][ T74] ___sys_sendmsg+0xee/0x170 [ 3525.529814][ T74] __sys_sendmsg+0xcd/0x170 [ 3525.529814][ T74] do_syscall_64+0xc6/0x1e0 [ 3525.529814][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3525.529814][ T74] [ 3525.531615][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3525.531615][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3525.531615][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3525.531615][ T74] ipv6_find_idev+0x102/0x170 [ 3525.531615][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3525.531615][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3525.531615][ T74] netlink_rcv_skb+0x130/0x360 [ 3525.531615][ T74] netlink_unicast+0x449/0x710 [ 3525.531615][ T74] netlink_sendmsg+0x723/0xbe0 [ 3525.531615][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3525.531615][ T74] ___sys_sendmsg+0xee/0x170 [ 3525.531615][ T74] __sys_sendmsg+0xcd/0x170 [ 3525.531615][ T74] do_syscall_64+0xc6/0x1e0 [ 3525.531615][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3525.531615][ T74] [ 3535.775913][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3535.776388][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3535.776388][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3535.776388][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3535.776388][ T74] fib6_nh_init+0xa22/0x1580 [ 3535.776388][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3535.776388][ T74] ip6_route_add+0x1c/0x140 [ 3535.776388][ T74] inet6_rtm_newroute+0x104/0x110 [ 3535.776388][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3535.776388][ T74] netlink_rcv_skb+0x130/0x360 [ 3535.776388][ T74] netlink_unicast+0x449/0x710 [ 3535.776388][ T74] netlink_sendmsg+0x723/0xbe0 [ 3535.776388][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3535.776388][ T74] ___sys_sendmsg+0xee/0x170 [ 3535.776388][ T74] __sys_sendmsg+0xcd/0x170 [ 3535.776388][ T74] do_syscall_64+0xc6/0x1e0 [ 3535.776388][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3535.776388][ T74] [ 3535.778705][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3535.778705][ T74] netdev_get_by_index+0x5e/0x80 [ 3535.778705][ T74] fib6_nh_init+0x3d8/0x1580 [ 3535.778705][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3535.778705][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3535.778705][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3535.778705][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3535.778705][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3535.778705][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3535.778705][ T74] addrconf_dad_begin+0x310/0x670 [ 3535.778705][ T74] addrconf_dad_work+0x10b/0xab0 [ 3535.778705][ T74] process_one_work+0x84d/0x18a0 [ 3535.778705][ T74] worker_thread+0x587/0xd30 [ 3535.778705][ T74] kthread+0x28a/0x350 [ 3535.778705][ T74] ret_from_fork+0x31/0x70 [ 3535.778705][ T74] ret_from_fork_asm+0x1a/0x30 [ 3535.778705][ T74] [ 3535.781055][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3535.781055][ T74] netdev_get_by_index+0x5e/0x80 [ 3535.781055][ T74] fib6_nh_init+0x3d8/0x1580 [ 3535.781055][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3535.781055][ T74] ip6_route_add+0x1c/0x140 [ 3535.781055][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3535.781055][ T74] inet6_addr_add+0x4f8/0xa40 [ 3535.781055][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3535.781055][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3535.781055][ T74] netlink_rcv_skb+0x130/0x360 [ 3535.781055][ T74] netlink_unicast+0x449/0x710 [ 3535.781055][ T74] netlink_sendmsg+0x723/0xbe0 [ 3535.781055][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3535.781055][ T74] ___sys_sendmsg+0xee/0x170 [ 3535.781055][ T74] __sys_sendmsg+0xcd/0x170 [ 3535.781055][ T74] do_syscall_64+0xc6/0x1e0 [ 3535.781055][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3535.781055][ T74] [ 3535.783518][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3535.783518][ T74] netdev_get_by_index+0x5e/0x80 [ 3535.783518][ T74] fib6_nh_init+0x3d8/0x1580 [ 3535.783518][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3535.783518][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3535.783518][ T74] ipv6_add_addr+0x411/0x2000 [ 3535.783518][ T74] inet6_addr_add+0x30e/0xa40 [ 3535.783518][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3535.783518][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3535.783518][ T74] netlink_rcv_skb+0x130/0x360 [ 3535.783518][ T74] netlink_unicast+0x449/0x710 [ 3535.783518][ T74] netlink_sendmsg+0x723/0xbe0 [ 3535.783518][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3535.783518][ T74] ___sys_sendmsg+0xee/0x170 [ 3535.783518][ T74] __sys_sendmsg+0xcd/0x170 [ 3535.783518][ T74] do_syscall_64+0xc6/0x1e0 [ 3535.783518][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3535.783518][ T74] [ 3535.785970][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3535.785970][ T74] netdev_get_by_index+0x5e/0x80 [ 3535.785970][ T74] fib6_nh_init+0x3d8/0x1580 [ 3535.785970][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3535.785970][ T74] ip6_route_add+0x1c/0x140 [ 3535.785970][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3535.785970][ T74] addrconf_add_dev+0xe2/0x170 [ 3535.785970][ T74] inet6_addr_add+0x12f/0xa40 [ 3535.785970][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3535.785970][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3535.785970][ T74] netlink_rcv_skb+0x130/0x360 [ 3535.785970][ T74] netlink_unicast+0x449/0x710 [ 3535.785970][ T74] netlink_sendmsg+0x723/0xbe0 [ 3535.785970][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3535.785970][ T74] ___sys_sendmsg+0xee/0x170 [ 3535.785970][ T74] __sys_sendmsg+0xcd/0x170 [ 3535.785970][ T74] do_syscall_64+0xc6/0x1e0 [ 3535.785970][ T74] [ 3535.788381][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3535.788381][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3535.788381][ T74] ipv6_find_idev+0x102/0x170 [ 3535.788381][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3535.788381][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3535.788381][ T74] netlink_rcv_skb+0x130/0x360 [ 3535.788381][ T74] netlink_unicast+0x449/0x710 [ 3535.788381][ T74] netlink_sendmsg+0x723/0xbe0 [ 3535.788381][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3535.788381][ T74] ___sys_sendmsg+0xee/0x170 [ 3535.788381][ T74] __sys_sendmsg+0xcd/0x170 [ 3535.788381][ T74] do_syscall_64+0xc6/0x1e0 [ 3535.788381][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3535.788381][ T74] [ 3535.790270][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3535.790270][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3535.790270][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3535.790270][ T74] ipv6_find_idev+0x102/0x170 [ 3535.790270][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3535.790270][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3535.790270][ T74] netlink_rcv_skb+0x130/0x360 [ 3535.790270][ T74] netlink_unicast+0x449/0x710 [ 3535.790270][ T74] netlink_sendmsg+0x723/0xbe0 [ 3535.790270][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3535.790270][ T74] ___sys_sendmsg+0xee/0x170 [ 3535.790270][ T74] __sys_sendmsg+0xcd/0x170 [ 3535.790270][ T74] do_syscall_64+0xc6/0x1e0 [ 3535.790270][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3535.790270][ T74] [ 3535.792358][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3535.792693][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3535.792693][ T74] dst_init+0x84/0x4a0 [ 3535.792693][ T74] dst_alloc+0x97/0x150 [ 3535.792693][ T74] ip6_dst_alloc+0x23/0x90 [ 3535.792693][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3535.792693][ T74] ip6_pol_route+0x56f/0x840 [ 3535.792693][ T74] fib6_rule_lookup+0x456/0x630 [ 3535.792693][ T74] ip6_route_input+0x59c/0xa50 [ 3535.792693][ T74] ipv6_rcv+0x397/0x810 [ 3535.792693][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3535.792693][ T74] process_backlog+0x101/0x620 [ 3535.792693][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3535.792693][ T74] net_rx_action+0x495/0xbe0 [ 3535.792693][ T74] __do_softirq+0x1b5/0x7f6 [ 3535.792693][ T74] [ 3535.794686][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3535.794686][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3535.794686][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3535.794686][ T74] fib6_nh_init+0xa22/0x1580 [ 3535.794686][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3535.794686][ T74] ip6_route_add+0x1c/0x140 [ 3535.794686][ T74] inet6_rtm_newroute+0x104/0x110 [ 3535.794686][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3535.794686][ T74] netlink_rcv_skb+0x130/0x360 [ 3535.794686][ T74] netlink_unicast+0x449/0x710 [ 3535.794686][ T74] netlink_sendmsg+0x723/0xbe0 [ 3535.794686][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3535.794686][ T74] ___sys_sendmsg+0xee/0x170 [ 3535.794686][ T74] __sys_sendmsg+0xcd/0x170 [ 3535.794686][ T74] do_syscall_64+0xc6/0x1e0 [ 3535.794686][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3535.794686][ T74] [ 3535.796581][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3535.796581][ T74] netdev_get_by_index+0x5e/0x80 [ 3535.796581][ T74] fib6_nh_init+0x3d8/0x1580 [ 3535.796581][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3535.796581][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3535.796581][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3535.796581][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3535.796581][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3535.796581][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3535.796581][ T74] addrconf_dad_begin+0x310/0x670 [ 3535.796581][ T74] addrconf_dad_work+0x10b/0xab0 [ 3535.796581][ T74] process_one_work+0x84d/0x18a0 [ 3535.796581][ T74] worker_thread+0x587/0xd30 [ 3535.796581][ T74] kthread+0x28a/0x350 [ 3535.796581][ T74] ret_from_fork+0x31/0x70 [ 3535.796581][ T74] ret_from_fork_asm+0x1a/0x30 [ 3535.796581][ T74] [ 3535.798786][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3535.798786][ T74] netdev_get_by_index+0x5e/0x80 [ 3535.798786][ T74] fib6_nh_init+0x3d8/0x1580 [ 3535.798786][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3535.798786][ T74] ip6_route_add+0x1c/0x140 [ 3535.798786][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3535.798786][ T74] inet6_addr_add+0x4f8/0xa40 [ 3535.798786][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3535.798786][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3535.798786][ T74] netlink_rcv_skb+0x130/0x360 [ 3535.798786][ T74] netlink_unicast+0x449/0x710 [ 3535.798786][ T74] netlink_sendmsg+0x723/0xbe0 [ 3535.798786][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3535.798786][ T74] ___sys_sendmsg+0xee/0x170 [ 3535.798786][ T74] __sys_sendmsg+0xcd/0x170 [ 3535.798786][ T74] do_syscall_64+0xc6/0x1e0 [ 3535.798786][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3535.798786][ T74] [ 3535.801229][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3535.801229][ T74] netdev_get_by_index+0x5e/0x80 [ 3535.801229][ T74] fib6_nh_init+0x3d8/0x1580 [ 3535.801229][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3535.801229][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3535.801229][ T74] ipv6_add_addr+0x411/0x2000 [ 3535.801229][ T74] inet6_addr_add+0x30e/0xa40 [ 3535.801229][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3535.801229][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3535.801229][ T74] netlink_rcv_skb+0x130/0x360 [ 3535.801229][ T74] netlink_unicast+0x449/0x710 [ 3535.801229][ T74] netlink_sendmsg+0x723/0xbe0 [ 3535.801229][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3535.801229][ T74] ___sys_sendmsg+0xee/0x170 [ 3535.801229][ T74] __sys_sendmsg+0xcd/0x170 [ 3535.801229][ T74] do_syscall_64+0xc6/0x1e0 [ 3535.801229][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3535.801229][ T74] [ 3535.803688][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3535.803688][ T74] netdev_get_by_index+0x5e/0x80 [ 3535.803688][ T74] fib6_nh_init+0x3d8/0x1580 [ 3535.803688][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3535.803688][ T74] ip6_route_add+0x1c/0x140 [ 3535.803688][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3535.803688][ T74] addrconf_add_dev+0xe2/0x170 [ 3535.803688][ T74] inet6_addr_add+0x12f/0xa40 [ 3535.803688][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3535.803688][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3535.803688][ T74] netlink_rcv_skb+0x130/0x360 [ 3535.803688][ T74] netlink_unicast+0x449/0x710 [ 3535.803688][ T74] netlink_sendmsg+0x723/0xbe0 [ 3535.803688][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3535.803688][ T74] ___sys_sendmsg+0xee/0x170 [ 3535.803688][ T74] __sys_sendmsg+0xcd/0x170 [ 3535.803688][ T74] do_syscall_64+0xc6/0x1e0 [ 3535.803688][ T74] [ 3535.805807][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3535.805807][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3535.805807][ T74] ipv6_find_idev+0x102/0x170 [ 3535.805807][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3535.805807][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3535.805807][ T74] netlink_rcv_skb+0x130/0x360 [ 3535.805807][ T74] netlink_unicast+0x449/0x710 [ 3535.805807][ T74] netlink_sendmsg+0x723/0xbe0 [ 3535.805807][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3535.805807][ T74] ___sys_sendmsg+0xee/0x170 [ 3535.805807][ T74] __sys_sendmsg+0xcd/0x170 [ 3535.805807][ T74] do_syscall_64+0xc6/0x1e0 [ 3535.805807][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3535.805807][ T74] [ 3535.807409][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3535.807409][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3535.807409][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3535.807409][ T74] ipv6_find_idev+0x102/0x170 [ 3535.807409][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3535.807409][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3535.807409][ T74] netlink_rcv_skb+0x130/0x360 [ 3535.807409][ T74] netlink_unicast+0x449/0x710 [ 3535.807409][ T74] netlink_sendmsg+0x723/0xbe0 [ 3535.807409][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3535.807409][ T74] ___sys_sendmsg+0xee/0x170 [ 3535.807409][ T74] __sys_sendmsg+0xcd/0x170 [ 3535.807409][ T74] do_syscall_64+0xc6/0x1e0 [ 3535.807409][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3535.807409][ T74] [ 3535.809299][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3535.809537][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3535.809537][ T74] netdev_get_by_index+0x5e/0x80 [ 3535.809537][ T74] fib6_nh_init+0x3d8/0x1580 [ 3535.809537][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3535.809537][ T74] ip6_route_add+0x1c/0x140 [ 3535.809537][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3535.809537][ T74] inet6_addr_add+0x4f8/0xa40 [ 3535.809537][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3535.809537][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3535.809537][ T74] netlink_rcv_skb+0x130/0x360 [ 3535.809537][ T74] netlink_unicast+0x449/0x710 [ 3535.809537][ T74] netlink_sendmsg+0x723/0xbe0 [ 3535.809537][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3535.809537][ T74] ___sys_sendmsg+0xee/0x170 [ 3535.809537][ T74] __sys_sendmsg+0xcd/0x170 [ 3535.809537][ T74] do_syscall_64+0xc6/0x1e0 [ 3535.809537][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3535.809537][ T74] [ 3535.811687][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3535.811687][ T74] netdev_get_by_index+0x5e/0x80 [ 3535.811687][ T74] fib6_nh_init+0x3d8/0x1580 [ 3535.811687][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3535.811687][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3535.811687][ T74] ipv6_add_addr+0x411/0x2000 [ 3535.811687][ T74] inet6_addr_add+0x30e/0xa40 [ 3535.811687][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3535.811687][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3535.811687][ T74] netlink_rcv_skb+0x130/0x360 [ 3535.811687][ T74] netlink_unicast+0x449/0x710 [ 3535.811687][ T74] netlink_sendmsg+0x723/0xbe0 [ 3535.811687][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3535.811687][ T74] ___sys_sendmsg+0xee/0x170 [ 3535.811687][ T74] __sys_sendmsg+0xcd/0x170 [ 3535.811687][ T74] do_syscall_64+0xc6/0x1e0 [ 3535.811687][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3535.811687][ T74] [ 3535.813854][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3535.813854][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3535.813854][ T74] ipv6_find_idev+0x102/0x170 [ 3535.813854][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3535.813854][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3535.813854][ T74] netlink_rcv_skb+0x130/0x360 [ 3535.813854][ T74] netlink_unicast+0x449/0x710 [ 3535.813854][ T74] netlink_sendmsg+0x723/0xbe0 [ 3535.813854][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3535.813854][ T74] ___sys_sendmsg+0xee/0x170 [ 3535.813854][ T74] __sys_sendmsg+0xcd/0x170 [ 3535.813854][ T74] do_syscall_64+0xc6/0x1e0 [ 3535.813854][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3535.813854][ T74] [ 3535.815465][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3535.815465][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3535.815465][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3535.815465][ T74] ipv6_find_idev+0x102/0x170 [ 3535.815465][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3535.815465][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3535.815465][ T74] netlink_rcv_skb+0x130/0x360 [ 3535.815465][ T74] netlink_unicast+0x449/0x710 [ 3535.815465][ T74] netlink_sendmsg+0x723/0xbe0 [ 3535.815465][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3535.815465][ T74] ___sys_sendmsg+0xee/0x170 [ 3535.815465][ T74] __sys_sendmsg+0xcd/0x170 [ 3535.815465][ T74] do_syscall_64+0xc6/0x1e0 [ 3535.815465][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3535.815465][ T74] [ 3546.056006][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3546.056465][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3546.056465][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3546.056465][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3546.056465][ T74] fib6_nh_init+0xa22/0x1580 [ 3546.056465][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3546.056465][ T74] ip6_route_add+0x1c/0x140 [ 3546.056465][ T74] inet6_rtm_newroute+0x104/0x110 [ 3546.056465][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3546.056465][ T74] netlink_rcv_skb+0x130/0x360 [ 3546.056465][ T74] netlink_unicast+0x449/0x710 [ 3546.056465][ T74] netlink_sendmsg+0x723/0xbe0 [ 3546.056465][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3546.056465][ T74] ___sys_sendmsg+0xee/0x170 [ 3546.056465][ T74] __sys_sendmsg+0xcd/0x170 [ 3546.056465][ T74] do_syscall_64+0xc6/0x1e0 [ 3546.056465][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3546.056465][ T74] [ 3546.058389][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3546.058389][ T74] netdev_get_by_index+0x5e/0x80 [ 3546.058389][ T74] fib6_nh_init+0x3d8/0x1580 [ 3546.058389][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3546.058389][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3546.058389][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3546.058389][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3546.058389][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3546.058389][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3546.058389][ T74] addrconf_dad_begin+0x310/0x670 [ 3546.058389][ T74] addrconf_dad_work+0x10b/0xab0 [ 3546.058389][ T74] process_one_work+0x84d/0x18a0 [ 3546.058389][ T74] worker_thread+0x587/0xd30 [ 3546.058389][ T74] kthread+0x28a/0x350 [ 3546.058389][ T74] ret_from_fork+0x31/0x70 [ 3546.058389][ T74] ret_from_fork_asm+0x1a/0x30 [ 3546.058389][ T74] [ 3546.060360][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3546.060360][ T74] netdev_get_by_index+0x5e/0x80 [ 3546.060360][ T74] fib6_nh_init+0x3d8/0x1580 [ 3546.060360][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3546.060360][ T74] ip6_route_add+0x1c/0x140 [ 3546.060360][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3546.060360][ T74] inet6_addr_add+0x4f8/0xa40 [ 3546.060360][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3546.060360][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3546.060360][ T74] netlink_rcv_skb+0x130/0x360 [ 3546.060360][ T74] netlink_unicast+0x449/0x710 [ 3546.060360][ T74] netlink_sendmsg+0x723/0xbe0 [ 3546.060360][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3546.060360][ T74] ___sys_sendmsg+0xee/0x170 [ 3546.060360][ T74] __sys_sendmsg+0xcd/0x170 [ 3546.060360][ T74] do_syscall_64+0xc6/0x1e0 [ 3546.060360][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3546.060360][ T74] [ 3546.062527][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3546.062527][ T74] netdev_get_by_index+0x5e/0x80 [ 3546.062527][ T74] fib6_nh_init+0x3d8/0x1580 [ 3546.062527][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3546.062527][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3546.062527][ T74] ipv6_add_addr+0x411/0x2000 [ 3546.062527][ T74] inet6_addr_add+0x30e/0xa40 [ 3546.062527][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3546.062527][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3546.062527][ T74] netlink_rcv_skb+0x130/0x360 [ 3546.062527][ T74] netlink_unicast+0x449/0x710 [ 3546.062527][ T74] netlink_sendmsg+0x723/0xbe0 [ 3546.062527][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3546.062527][ T74] ___sys_sendmsg+0xee/0x170 [ 3546.062527][ T74] __sys_sendmsg+0xcd/0x170 [ 3546.062527][ T74] do_syscall_64+0xc6/0x1e0 [ 3546.062527][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3546.062527][ T74] [ 3546.064556][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3546.064556][ T74] netdev_get_by_index+0x5e/0x80 [ 3546.064556][ T74] fib6_nh_init+0x3d8/0x1580 [ 3546.064556][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3546.064556][ T74] ip6_route_add+0x1c/0x140 [ 3546.064556][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3546.064556][ T74] addrconf_add_dev+0xe2/0x170 [ 3546.064556][ T74] inet6_addr_add+0x12f/0xa40 [ 3546.064556][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3546.064556][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3546.064556][ T74] netlink_rcv_skb+0x130/0x360 [ 3546.064556][ T74] netlink_unicast+0x449/0x710 [ 3546.064556][ T74] netlink_sendmsg+0x723/0xbe0 [ 3546.064556][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3546.064556][ T74] ___sys_sendmsg+0xee/0x170 [ 3546.064556][ T74] __sys_sendmsg+0xcd/0x170 [ 3546.064556][ T74] do_syscall_64+0xc6/0x1e0 [ 3546.064556][ T74] [ 3546.069037][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3546.069037][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3546.069037][ T74] ipv6_find_idev+0x102/0x170 [ 3546.069037][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3546.069037][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3546.069037][ T74] netlink_rcv_skb+0x130/0x360 [ 3546.069037][ T74] netlink_unicast+0x449/0x710 [ 3546.069037][ T74] netlink_sendmsg+0x723/0xbe0 [ 3546.069037][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3546.069037][ T74] ___sys_sendmsg+0xee/0x170 [ 3546.069037][ T74] __sys_sendmsg+0xcd/0x170 [ 3546.069037][ T74] do_syscall_64+0xc6/0x1e0 [ 3546.069037][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3546.069037][ T74] [ 3546.070607][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3546.070607][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3546.070607][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3546.070607][ T74] ipv6_find_idev+0x102/0x170 [ 3546.070607][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3546.070607][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3546.070607][ T74] netlink_rcv_skb+0x130/0x360 [ 3546.070607][ T74] netlink_unicast+0x449/0x710 [ 3546.070607][ T74] netlink_sendmsg+0x723/0xbe0 [ 3546.070607][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3546.070607][ T74] ___sys_sendmsg+0xee/0x170 [ 3546.070607][ T74] __sys_sendmsg+0xcd/0x170 [ 3546.070607][ T74] do_syscall_64+0xc6/0x1e0 [ 3546.070607][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3546.070607][ T74] [ 3546.072361][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3546.072635][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3546.072635][ T74] dst_init+0x84/0x4a0 [ 3546.072635][ T74] dst_alloc+0x97/0x150 [ 3546.072635][ T74] ip6_dst_alloc+0x23/0x90 [ 3546.072635][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3546.072635][ T74] ip6_pol_route+0x56f/0x840 [ 3546.072635][ T74] fib6_rule_lookup+0x456/0x630 [ 3546.072635][ T74] ip6_route_input+0x59c/0xa50 [ 3546.072635][ T74] ipv6_rcv+0x397/0x810 [ 3546.072635][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3546.072635][ T74] process_backlog+0x101/0x620 [ 3546.072635][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3546.072635][ T74] net_rx_action+0x495/0xbe0 [ 3546.072635][ T74] __do_softirq+0x1b5/0x7f6 [ 3546.072635][ T74] [ 3546.074310][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3546.074310][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3546.074310][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3546.074310][ T74] fib6_nh_init+0xa22/0x1580 [ 3546.074310][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3546.074310][ T74] ip6_route_add+0x1c/0x140 [ 3546.074310][ T74] inet6_rtm_newroute+0x104/0x110 [ 3546.074310][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3546.074310][ T74] netlink_rcv_skb+0x130/0x360 [ 3546.074310][ T74] netlink_unicast+0x449/0x710 [ 3546.074310][ T74] netlink_sendmsg+0x723/0xbe0 [ 3546.074310][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3546.074310][ T74] ___sys_sendmsg+0xee/0x170 [ 3546.074310][ T74] __sys_sendmsg+0xcd/0x170 [ 3546.074310][ T74] do_syscall_64+0xc6/0x1e0 [ 3546.074310][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3546.074310][ T74] [ 3546.076232][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3546.076232][ T74] netdev_get_by_index+0x5e/0x80 [ 3546.076232][ T74] fib6_nh_init+0x3d8/0x1580 [ 3546.076232][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3546.076232][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3546.076232][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3546.076232][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3546.076232][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3546.076232][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3546.076232][ T74] addrconf_dad_begin+0x310/0x670 [ 3546.076232][ T74] addrconf_dad_work+0x10b/0xab0 [ 3546.076232][ T74] process_one_work+0x84d/0x18a0 [ 3546.076232][ T74] worker_thread+0x587/0xd30 [ 3546.076232][ T74] kthread+0x28a/0x350 [ 3546.076232][ T74] ret_from_fork+0x31/0x70 [ 3546.076232][ T74] ret_from_fork_asm+0x1a/0x30 [ 3546.076232][ T74] [ 3546.078173][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3546.078173][ T74] netdev_get_by_index+0x5e/0x80 [ 3546.078173][ T74] fib6_nh_init+0x3d8/0x1580 [ 3546.078173][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3546.078173][ T74] ip6_route_add+0x1c/0x140 [ 3546.078173][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3546.078173][ T74] inet6_addr_add+0x4f8/0xa40 [ 3546.078173][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3546.078173][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3546.078173][ T74] netlink_rcv_skb+0x130/0x360 [ 3546.078173][ T74] netlink_unicast+0x449/0x710 [ 3546.078173][ T74] netlink_sendmsg+0x723/0xbe0 [ 3546.078173][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3546.078173][ T74] ___sys_sendmsg+0xee/0x170 [ 3546.078173][ T74] __sys_sendmsg+0xcd/0x170 [ 3546.078173][ T74] do_syscall_64+0xc6/0x1e0 [ 3546.078173][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3546.078173][ T74] [ 3546.080234][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3546.080234][ T74] netdev_get_by_index+0x5e/0x80 [ 3546.080234][ T74] fib6_nh_init+0x3d8/0x1580 [ 3546.080234][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3546.080234][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3546.080234][ T74] ipv6_add_addr+0x411/0x2000 [ 3546.080234][ T74] inet6_addr_add+0x30e/0xa40 [ 3546.080234][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3546.080234][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3546.080234][ T74] netlink_rcv_skb+0x130/0x360 [ 3546.080234][ T74] netlink_unicast+0x449/0x710 [ 3546.080234][ T74] netlink_sendmsg+0x723/0xbe0 [ 3546.080234][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3546.080234][ T74] ___sys_sendmsg+0xee/0x170 [ 3546.080234][ T74] __sys_sendmsg+0xcd/0x170 [ 3546.080234][ T74] do_syscall_64+0xc6/0x1e0 [ 3546.080234][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3546.080234][ T74] [ 3546.082273][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3546.082273][ T74] netdev_get_by_index+0x5e/0x80 [ 3546.082273][ T74] fib6_nh_init+0x3d8/0x1580 [ 3546.082273][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3546.082273][ T74] ip6_route_add+0x1c/0x140 [ 3546.082273][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3546.082273][ T74] addrconf_add_dev+0xe2/0x170 [ 3546.082273][ T74] inet6_addr_add+0x12f/0xa40 [ 3546.082273][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3546.082273][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3546.082273][ T74] netlink_rcv_skb+0x130/0x360 [ 3546.082273][ T74] netlink_unicast+0x449/0x710 [ 3546.082273][ T74] netlink_sendmsg+0x723/0xbe0 [ 3546.082273][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3546.082273][ T74] ___sys_sendmsg+0xee/0x170 [ 3546.082273][ T74] __sys_sendmsg+0xcd/0x170 [ 3546.082273][ T74] do_syscall_64+0xc6/0x1e0 [ 3546.082273][ T74] [ 3546.084264][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3546.084264][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3546.084264][ T74] ipv6_find_idev+0x102/0x170 [ 3546.084264][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3546.084264][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3546.084264][ T74] netlink_rcv_skb+0x130/0x360 [ 3546.084264][ T74] netlink_unicast+0x449/0x710 [ 3546.084264][ T74] netlink_sendmsg+0x723/0xbe0 [ 3546.084264][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3546.084264][ T74] ___sys_sendmsg+0xee/0x170 [ 3546.084264][ T74] __sys_sendmsg+0xcd/0x170 [ 3546.084264][ T74] do_syscall_64+0xc6/0x1e0 [ 3546.084264][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3546.084264][ T74] [ 3546.086012][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3546.086012][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3546.086012][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3546.086012][ T74] ipv6_find_idev+0x102/0x170 [ 3546.086012][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3546.086012][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3546.086012][ T74] netlink_rcv_skb+0x130/0x360 [ 3546.086012][ T74] netlink_unicast+0x449/0x710 [ 3546.086012][ T74] netlink_sendmsg+0x723/0xbe0 [ 3546.086012][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3546.086012][ T74] ___sys_sendmsg+0xee/0x170 [ 3546.086012][ T74] __sys_sendmsg+0xcd/0x170 [ 3546.086012][ T74] do_syscall_64+0xc6/0x1e0 [ 3546.086012][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3546.086012][ T74] [ 3546.087984][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3546.088298][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3546.088298][ T74] netdev_get_by_index+0x5e/0x80 [ 3546.088298][ T74] fib6_nh_init+0x3d8/0x1580 [ 3546.088298][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3546.088298][ T74] ip6_route_add+0x1c/0x140 [ 3546.088298][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3546.088298][ T74] inet6_addr_add+0x4f8/0xa40 [ 3546.088298][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3546.088298][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3546.088298][ T74] netlink_rcv_skb+0x130/0x360 [ 3546.088298][ T74] netlink_unicast+0x449/0x710 [ 3546.088298][ T74] netlink_sendmsg+0x723/0xbe0 [ 3546.088298][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3546.088298][ T74] ___sys_sendmsg+0xee/0x170 [ 3546.088298][ T74] __sys_sendmsg+0xcd/0x170 [ 3546.088298][ T74] do_syscall_64+0xc6/0x1e0 [ 3546.088298][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3546.088298][ T74] [ 3546.090505][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3546.090505][ T74] netdev_get_by_index+0x5e/0x80 [ 3546.090505][ T74] fib6_nh_init+0x3d8/0x1580 [ 3546.090505][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3546.090505][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3546.090505][ T74] ipv6_add_addr+0x411/0x2000 [ 3546.090505][ T74] inet6_addr_add+0x30e/0xa40 [ 3546.090505][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3546.090505][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3546.090505][ T74] netlink_rcv_skb+0x130/0x360 [ 3546.090505][ T74] netlink_unicast+0x449/0x710 [ 3546.090505][ T74] netlink_sendmsg+0x723/0xbe0 [ 3546.090505][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3546.090505][ T74] ___sys_sendmsg+0xee/0x170 [ 3546.090505][ T74] __sys_sendmsg+0xcd/0x170 [ 3546.090505][ T74] do_syscall_64+0xc6/0x1e0 [ 3546.090505][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3546.090505][ T74] [ 3546.092778][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3546.092778][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3546.092778][ T74] ipv6_find_idev+0x102/0x170 [ 3546.092778][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3546.092778][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3546.092778][ T74] netlink_rcv_skb+0x130/0x360 [ 3546.092778][ T74] netlink_unicast+0x449/0x710 [ 3546.092778][ T74] netlink_sendmsg+0x723/0xbe0 [ 3546.092778][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3546.092778][ T74] ___sys_sendmsg+0xee/0x170 [ 3546.092778][ T74] __sys_sendmsg+0xcd/0x170 [ 3546.092778][ T74] do_syscall_64+0xc6/0x1e0 [ 3546.092778][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3546.092778][ T74] [ 3546.094535][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3546.094535][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3546.094535][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3546.094535][ T74] ipv6_find_idev+0x102/0x170 [ 3546.094535][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3546.094535][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3546.094535][ T74] netlink_rcv_skb+0x130/0x360 [ 3546.094535][ T74] netlink_unicast+0x449/0x710 [ 3546.094535][ T74] netlink_sendmsg+0x723/0xbe0 [ 3546.094535][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3546.094535][ T74] ___sys_sendmsg+0xee/0x170 [ 3546.094535][ T74] __sys_sendmsg+0xcd/0x170 [ 3546.094535][ T74] do_syscall_64+0xc6/0x1e0 [ 3546.094535][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3546.094535][ T74] [ 3556.335995][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3556.336445][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3556.336445][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3556.336445][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3556.336445][ T74] fib6_nh_init+0xa22/0x1580 [ 3556.336445][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3556.336445][ T74] ip6_route_add+0x1c/0x140 [ 3556.336445][ T74] inet6_rtm_newroute+0x104/0x110 [ 3556.336445][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3556.336445][ T74] netlink_rcv_skb+0x130/0x360 [ 3556.336445][ T74] netlink_unicast+0x449/0x710 [ 3556.336445][ T74] netlink_sendmsg+0x723/0xbe0 [ 3556.336445][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3556.336445][ T74] ___sys_sendmsg+0xee/0x170 [ 3556.336445][ T74] __sys_sendmsg+0xcd/0x170 [ 3556.336445][ T74] do_syscall_64+0xc6/0x1e0 [ 3556.336445][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3556.336445][ T74] [ 3556.338431][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3556.338431][ T74] netdev_get_by_index+0x5e/0x80 [ 3556.338431][ T74] fib6_nh_init+0x3d8/0x1580 [ 3556.338431][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3556.338431][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3556.338431][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3556.338431][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3556.338431][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3556.338431][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3556.338431][ T74] addrconf_dad_begin+0x310/0x670 [ 3556.338431][ T74] addrconf_dad_work+0x10b/0xab0 [ 3556.338431][ T74] process_one_work+0x84d/0x18a0 [ 3556.338431][ T74] worker_thread+0x587/0xd30 [ 3556.338431][ T74] kthread+0x28a/0x350 [ 3556.338431][ T74] ret_from_fork+0x31/0x70 [ 3556.338431][ T74] ret_from_fork_asm+0x1a/0x30 [ 3556.338431][ T74] [ 3556.340400][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3556.340400][ T74] netdev_get_by_index+0x5e/0x80 [ 3556.340400][ T74] fib6_nh_init+0x3d8/0x1580 [ 3556.340400][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3556.340400][ T74] ip6_route_add+0x1c/0x140 [ 3556.340400][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3556.340400][ T74] inet6_addr_add+0x4f8/0xa40 [ 3556.340400][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3556.340400][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3556.340400][ T74] netlink_rcv_skb+0x130/0x360 [ 3556.340400][ T74] netlink_unicast+0x449/0x710 [ 3556.340400][ T74] netlink_sendmsg+0x723/0xbe0 [ 3556.340400][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3556.340400][ T74] ___sys_sendmsg+0xee/0x170 [ 3556.340400][ T74] __sys_sendmsg+0xcd/0x170 [ 3556.340400][ T74] do_syscall_64+0xc6/0x1e0 [ 3556.340400][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3556.340400][ T74] [ 3556.342461][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3556.342461][ T74] netdev_get_by_index+0x5e/0x80 [ 3556.342461][ T74] fib6_nh_init+0x3d8/0x1580 [ 3556.342461][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3556.342461][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3556.342461][ T74] ipv6_add_addr+0x411/0x2000 [ 3556.342461][ T74] inet6_addr_add+0x30e/0xa40 [ 3556.342461][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3556.342461][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3556.342461][ T74] netlink_rcv_skb+0x130/0x360 [ 3556.342461][ T74] netlink_unicast+0x449/0x710 [ 3556.342461][ T74] netlink_sendmsg+0x723/0xbe0 [ 3556.342461][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3556.342461][ T74] ___sys_sendmsg+0xee/0x170 [ 3556.342461][ T74] __sys_sendmsg+0xcd/0x170 [ 3556.342461][ T74] do_syscall_64+0xc6/0x1e0 [ 3556.342461][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3556.342461][ T74] [ 3556.344502][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3556.344502][ T74] netdev_get_by_index+0x5e/0x80 [ 3556.344502][ T74] fib6_nh_init+0x3d8/0x1580 [ 3556.344502][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3556.344502][ T74] ip6_route_add+0x1c/0x140 [ 3556.344502][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3556.344502][ T74] addrconf_add_dev+0xe2/0x170 [ 3556.344502][ T74] inet6_addr_add+0x12f/0xa40 [ 3556.344502][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3556.344502][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3556.344502][ T74] netlink_rcv_skb+0x130/0x360 [ 3556.344502][ T74] netlink_unicast+0x449/0x710 [ 3556.344502][ T74] netlink_sendmsg+0x723/0xbe0 [ 3556.344502][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3556.344502][ T74] ___sys_sendmsg+0xee/0x170 [ 3556.344502][ T74] __sys_sendmsg+0xcd/0x170 [ 3556.344502][ T74] do_syscall_64+0xc6/0x1e0 [ 3556.344502][ T74] [ 3556.346521][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3556.346521][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3556.346521][ T74] ipv6_find_idev+0x102/0x170 [ 3556.346521][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3556.346521][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3556.346521][ T74] netlink_rcv_skb+0x130/0x360 [ 3556.346521][ T74] netlink_unicast+0x449/0x710 [ 3556.346521][ T74] netlink_sendmsg+0x723/0xbe0 [ 3556.346521][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3556.346521][ T74] ___sys_sendmsg+0xee/0x170 [ 3556.346521][ T74] __sys_sendmsg+0xcd/0x170 [ 3556.346521][ T74] do_syscall_64+0xc6/0x1e0 [ 3556.346521][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3556.346521][ T74] [ 3556.348130][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3556.348130][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3556.348130][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3556.348130][ T74] ipv6_find_idev+0x102/0x170 [ 3556.348130][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3556.348130][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3556.348130][ T74] netlink_rcv_skb+0x130/0x360 [ 3556.348130][ T74] netlink_unicast+0x449/0x710 [ 3556.348130][ T74] netlink_sendmsg+0x723/0xbe0 [ 3556.348130][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3556.348130][ T74] ___sys_sendmsg+0xee/0x170 [ 3556.348130][ T74] __sys_sendmsg+0xcd/0x170 [ 3556.348130][ T74] do_syscall_64+0xc6/0x1e0 [ 3556.348130][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3556.348130][ T74] [ 3556.349896][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3556.350183][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3556.350183][ T74] dst_init+0x84/0x4a0 [ 3556.350183][ T74] dst_alloc+0x97/0x150 [ 3556.350183][ T74] ip6_dst_alloc+0x23/0x90 [ 3556.350183][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3556.350183][ T74] ip6_pol_route+0x56f/0x840 [ 3556.350183][ T74] fib6_rule_lookup+0x456/0x630 [ 3556.350183][ T74] ip6_route_input+0x59c/0xa50 [ 3556.350183][ T74] ipv6_rcv+0x397/0x810 [ 3556.350183][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3556.350183][ T74] process_backlog+0x101/0x620 [ 3556.350183][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3556.350183][ T74] net_rx_action+0x495/0xbe0 [ 3556.350183][ T74] __do_softirq+0x1b5/0x7f6 [ 3556.350183][ T74] [ 3556.351871][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3556.351871][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3556.351871][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3556.351871][ T74] fib6_nh_init+0xa22/0x1580 [ 3556.351871][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3556.351871][ T74] ip6_route_add+0x1c/0x140 [ 3556.351871][ T74] inet6_rtm_newroute+0x104/0x110 [ 3556.351871][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3556.351871][ T74] netlink_rcv_skb+0x130/0x360 [ 3556.351871][ T74] netlink_unicast+0x449/0x710 [ 3556.351871][ T74] netlink_sendmsg+0x723/0xbe0 [ 3556.351871][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3556.351871][ T74] ___sys_sendmsg+0xee/0x170 [ 3556.351871][ T74] __sys_sendmsg+0xcd/0x170 [ 3556.351871][ T74] do_syscall_64+0xc6/0x1e0 [ 3556.351871][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3556.351871][ T74] [ 3556.353807][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3556.353807][ T74] netdev_get_by_index+0x5e/0x80 [ 3556.353807][ T74] fib6_nh_init+0x3d8/0x1580 [ 3556.353807][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3556.353807][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3556.353807][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3556.353807][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3556.353807][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3556.353807][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3556.353807][ T74] addrconf_dad_begin+0x310/0x670 [ 3556.353807][ T74] addrconf_dad_work+0x10b/0xab0 [ 3556.353807][ T74] process_one_work+0x84d/0x18a0 [ 3556.353807][ T74] worker_thread+0x587/0xd30 [ 3556.353807][ T74] kthread+0x28a/0x350 [ 3556.353807][ T74] ret_from_fork+0x31/0x70 [ 3556.353807][ T74] ret_from_fork_asm+0x1a/0x30 [ 3556.353807][ T74] [ 3556.355759][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3556.355759][ T74] netdev_get_by_index+0x5e/0x80 [ 3556.355759][ T74] fib6_nh_init+0x3d8/0x1580 [ 3556.355759][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3556.355759][ T74] ip6_route_add+0x1c/0x140 [ 3556.355759][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3556.355759][ T74] inet6_addr_add+0x4f8/0xa40 [ 3556.355759][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3556.355759][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3556.355759][ T74] netlink_rcv_skb+0x130/0x360 [ 3556.355759][ T74] netlink_unicast+0x449/0x710 [ 3556.355759][ T74] netlink_sendmsg+0x723/0xbe0 [ 3556.355759][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3556.355759][ T74] ___sys_sendmsg+0xee/0x170 [ 3556.355759][ T74] __sys_sendmsg+0xcd/0x170 [ 3556.355759][ T74] do_syscall_64+0xc6/0x1e0 [ 3556.355759][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3556.355759][ T74] [ 3556.357797][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3556.357797][ T74] netdev_get_by_index+0x5e/0x80 [ 3556.357797][ T74] fib6_nh_init+0x3d8/0x1580 [ 3556.357797][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3556.357797][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3556.357797][ T74] ipv6_add_addr+0x411/0x2000 [ 3556.357797][ T74] inet6_addr_add+0x30e/0xa40 [ 3556.357797][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3556.357797][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3556.357797][ T74] netlink_rcv_skb+0x130/0x360 [ 3556.357797][ T74] netlink_unicast+0x449/0x710 [ 3556.357797][ T74] netlink_sendmsg+0x723/0xbe0 [ 3556.357797][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3556.357797][ T74] ___sys_sendmsg+0xee/0x170 [ 3556.357797][ T74] __sys_sendmsg+0xcd/0x170 [ 3556.357797][ T74] do_syscall_64+0xc6/0x1e0 [ 3556.357797][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3556.357797][ T74] [ 3556.361828][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3556.361828][ T74] netdev_get_by_index+0x5e/0x80 [ 3556.361828][ T74] fib6_nh_init+0x3d8/0x1580 [ 3556.361828][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3556.361828][ T74] ip6_route_add+0x1c/0x140 [ 3556.361828][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3556.361828][ T74] addrconf_add_dev+0xe2/0x170 [ 3556.361828][ T74] inet6_addr_add+0x12f/0xa40 [ 3556.361828][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3556.361828][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3556.361828][ T74] netlink_rcv_skb+0x130/0x360 [ 3556.361828][ T74] netlink_unicast+0x449/0x710 [ 3556.361828][ T74] netlink_sendmsg+0x723/0xbe0 [ 3556.361828][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3556.361828][ T74] ___sys_sendmsg+0xee/0x170 [ 3556.361828][ T74] __sys_sendmsg+0xcd/0x170 [ 3556.361828][ T74] do_syscall_64+0xc6/0x1e0 [ 3556.361828][ T74] [ 3556.363817][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3556.363817][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3556.363817][ T74] ipv6_find_idev+0x102/0x170 [ 3556.363817][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3556.363817][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3556.363817][ T74] netlink_rcv_skb+0x130/0x360 [ 3556.363817][ T74] netlink_unicast+0x449/0x710 [ 3556.363817][ T74] netlink_sendmsg+0x723/0xbe0 [ 3556.363817][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3556.363817][ T74] ___sys_sendmsg+0xee/0x170 [ 3556.363817][ T74] __sys_sendmsg+0xcd/0x170 [ 3556.363817][ T74] do_syscall_64+0xc6/0x1e0 [ 3556.363817][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3556.363817][ T74] [ 3556.365573][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3556.365573][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3556.365573][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3556.365573][ T74] ipv6_find_idev+0x102/0x170 [ 3556.365573][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3556.365573][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3556.365573][ T74] netlink_rcv_skb+0x130/0x360 [ 3556.365573][ T74] netlink_unicast+0x449/0x710 [ 3556.365573][ T74] netlink_sendmsg+0x723/0xbe0 [ 3556.365573][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3556.365573][ T74] ___sys_sendmsg+0xee/0x170 [ 3556.365573][ T74] __sys_sendmsg+0xcd/0x170 [ 3556.365573][ T74] do_syscall_64+0xc6/0x1e0 [ 3556.365573][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3556.365573][ T74] [ 3556.367552][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3556.367866][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3556.367866][ T74] netdev_get_by_index+0x5e/0x80 [ 3556.367866][ T74] fib6_nh_init+0x3d8/0x1580 [ 3556.367866][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3556.367866][ T74] ip6_route_add+0x1c/0x140 [ 3556.367866][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3556.367866][ T74] inet6_addr_add+0x4f8/0xa40 [ 3556.367866][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3556.367866][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3556.367866][ T74] netlink_rcv_skb+0x130/0x360 [ 3556.367866][ T74] netlink_unicast+0x449/0x710 [ 3556.367866][ T74] netlink_sendmsg+0x723/0xbe0 [ 3556.367866][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3556.367866][ T74] ___sys_sendmsg+0xee/0x170 [ 3556.367866][ T74] __sys_sendmsg+0xcd/0x170 [ 3556.367866][ T74] do_syscall_64+0xc6/0x1e0 [ 3556.367866][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3556.367866][ T74] [ 3556.370101][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3556.370101][ T74] netdev_get_by_index+0x5e/0x80 [ 3556.370101][ T74] fib6_nh_init+0x3d8/0x1580 [ 3556.370101][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3556.370101][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3556.370101][ T74] ipv6_add_addr+0x411/0x2000 [ 3556.370101][ T74] inet6_addr_add+0x30e/0xa40 [ 3556.370101][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3556.370101][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3556.370101][ T74] netlink_rcv_skb+0x130/0x360 [ 3556.370101][ T74] netlink_unicast+0x449/0x710 [ 3556.370101][ T74] netlink_sendmsg+0x723/0xbe0 [ 3556.370101][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3556.370101][ T74] ___sys_sendmsg+0xee/0x170 [ 3556.370101][ T74] __sys_sendmsg+0xcd/0x170 [ 3556.370101][ T74] do_syscall_64+0xc6/0x1e0 [ 3556.370101][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3556.370101][ T74] [ 3556.372383][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3556.372383][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3556.372383][ T74] ipv6_find_idev+0x102/0x170 [ 3556.372383][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3556.372383][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3556.372383][ T74] netlink_rcv_skb+0x130/0x360 [ 3556.372383][ T74] netlink_unicast+0x449/0x710 [ 3556.372383][ T74] netlink_sendmsg+0x723/0xbe0 [ 3556.372383][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3556.372383][ T74] ___sys_sendmsg+0xee/0x170 [ 3556.372383][ T74] __sys_sendmsg+0xcd/0x170 [ 3556.372383][ T74] do_syscall_64+0xc6/0x1e0 [ 3556.372383][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3556.372383][ T74] [ 3556.374131][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3556.374131][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3556.374131][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3556.374131][ T74] ipv6_find_idev+0x102/0x170 [ 3556.374131][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3556.374131][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3556.374131][ T74] netlink_rcv_skb+0x130/0x360 [ 3556.374131][ T74] netlink_unicast+0x449/0x710 [ 3556.374131][ T74] netlink_sendmsg+0x723/0xbe0 [ 3556.374131][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3556.374131][ T74] ___sys_sendmsg+0xee/0x170 [ 3556.374131][ T74] __sys_sendmsg+0xcd/0x170 [ 3556.374131][ T74] do_syscall_64+0xc6/0x1e0 [ 3556.374131][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3556.374131][ T74] [ 3566.616082][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3566.616514][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3566.616514][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3566.616514][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3566.616514][ T74] fib6_nh_init+0xa22/0x1580 [ 3566.616514][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3566.616514][ T74] ip6_route_add+0x1c/0x140 [ 3566.616514][ T74] inet6_rtm_newroute+0x104/0x110 [ 3566.616514][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3566.616514][ T74] netlink_rcv_skb+0x130/0x360 [ 3566.616514][ T74] netlink_unicast+0x449/0x710 [ 3566.616514][ T74] netlink_sendmsg+0x723/0xbe0 [ 3566.616514][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3566.616514][ T74] ___sys_sendmsg+0xee/0x170 [ 3566.616514][ T74] __sys_sendmsg+0xcd/0x170 [ 3566.616514][ T74] do_syscall_64+0xc6/0x1e0 [ 3566.616514][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3566.616514][ T74] [ 3566.618468][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3566.618468][ T74] netdev_get_by_index+0x5e/0x80 [ 3566.618468][ T74] fib6_nh_init+0x3d8/0x1580 [ 3566.618468][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3566.618468][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3566.618468][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3566.618468][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3566.618468][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3566.618468][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3566.618468][ T74] addrconf_dad_begin+0x310/0x670 [ 3566.618468][ T74] addrconf_dad_work+0x10b/0xab0 [ 3566.618468][ T74] process_one_work+0x84d/0x18a0 [ 3566.618468][ T74] worker_thread+0x587/0xd30 [ 3566.618468][ T74] kthread+0x28a/0x350 [ 3566.618468][ T74] ret_from_fork+0x31/0x70 [ 3566.618468][ T74] ret_from_fork_asm+0x1a/0x30 [ 3566.618468][ T74] [ 3566.620402][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3566.620402][ T74] netdev_get_by_index+0x5e/0x80 [ 3566.620402][ T74] fib6_nh_init+0x3d8/0x1580 [ 3566.620402][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3566.620402][ T74] ip6_route_add+0x1c/0x140 [ 3566.620402][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3566.620402][ T74] inet6_addr_add+0x4f8/0xa40 [ 3566.620402][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3566.620402][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3566.620402][ T74] netlink_rcv_skb+0x130/0x360 [ 3566.620402][ T74] netlink_unicast+0x449/0x710 [ 3566.620402][ T74] netlink_sendmsg+0x723/0xbe0 [ 3566.620402][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3566.620402][ T74] ___sys_sendmsg+0xee/0x170 [ 3566.620402][ T74] __sys_sendmsg+0xcd/0x170 [ 3566.620402][ T74] do_syscall_64+0xc6/0x1e0 [ 3566.620402][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3566.620402][ T74] [ 3566.622524][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3566.622524][ T74] netdev_get_by_index+0x5e/0x80 [ 3566.622524][ T74] fib6_nh_init+0x3d8/0x1580 [ 3566.622524][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3566.622524][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3566.622524][ T74] ipv6_add_addr+0x411/0x2000 [ 3566.622524][ T74] inet6_addr_add+0x30e/0xa40 [ 3566.622524][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3566.622524][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3566.622524][ T74] netlink_rcv_skb+0x130/0x360 [ 3566.622524][ T74] netlink_unicast+0x449/0x710 [ 3566.622524][ T74] netlink_sendmsg+0x723/0xbe0 [ 3566.622524][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3566.622524][ T74] ___sys_sendmsg+0xee/0x170 [ 3566.622524][ T74] __sys_sendmsg+0xcd/0x170 [ 3566.622524][ T74] do_syscall_64+0xc6/0x1e0 [ 3566.622524][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3566.622524][ T74] [ 3566.624542][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3566.624542][ T74] netdev_get_by_index+0x5e/0x80 [ 3566.624542][ T74] fib6_nh_init+0x3d8/0x1580 [ 3566.624542][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3566.624542][ T74] ip6_route_add+0x1c/0x140 [ 3566.624542][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3566.624542][ T74] addrconf_add_dev+0xe2/0x170 [ 3566.624542][ T74] inet6_addr_add+0x12f/0xa40 [ 3566.624542][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3566.624542][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3566.624542][ T74] netlink_rcv_skb+0x130/0x360 [ 3566.624542][ T74] netlink_unicast+0x449/0x710 [ 3566.624542][ T74] netlink_sendmsg+0x723/0xbe0 [ 3566.624542][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3566.624542][ T74] ___sys_sendmsg+0xee/0x170 [ 3566.624542][ T74] __sys_sendmsg+0xcd/0x170 [ 3566.624542][ T74] do_syscall_64+0xc6/0x1e0 [ 3566.624542][ T74] [ 3566.626528][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3566.626528][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3566.626528][ T74] ipv6_find_idev+0x102/0x170 [ 3566.626528][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3566.626528][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3566.626528][ T74] netlink_rcv_skb+0x130/0x360 [ 3566.626528][ T74] netlink_unicast+0x449/0x710 [ 3566.626528][ T74] netlink_sendmsg+0x723/0xbe0 [ 3566.626528][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3566.626528][ T74] ___sys_sendmsg+0xee/0x170 [ 3566.626528][ T74] __sys_sendmsg+0xcd/0x170 [ 3566.626528][ T74] do_syscall_64+0xc6/0x1e0 [ 3566.626528][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3566.626528][ T74] [ 3566.628082][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3566.628082][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3566.628082][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3566.628082][ T74] ipv6_find_idev+0x102/0x170 [ 3566.628082][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3566.628082][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3566.628082][ T74] netlink_rcv_skb+0x130/0x360 [ 3566.628082][ T74] netlink_unicast+0x449/0x710 [ 3566.628082][ T74] netlink_sendmsg+0x723/0xbe0 [ 3566.628082][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3566.628082][ T74] ___sys_sendmsg+0xee/0x170 [ 3566.628082][ T74] __sys_sendmsg+0xcd/0x170 [ 3566.628082][ T74] do_syscall_64+0xc6/0x1e0 [ 3566.628082][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3566.628082][ T74] [ 3566.629793][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3566.630092][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3566.630092][ T74] dst_init+0x84/0x4a0 [ 3566.630092][ T74] dst_alloc+0x97/0x150 [ 3566.630092][ T74] ip6_dst_alloc+0x23/0x90 [ 3566.630092][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3566.630092][ T74] ip6_pol_route+0x56f/0x840 [ 3566.630092][ T74] fib6_rule_lookup+0x456/0x630 [ 3566.630092][ T74] ip6_route_input+0x59c/0xa50 [ 3566.630092][ T74] ipv6_rcv+0x397/0x810 [ 3566.630092][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3566.630092][ T74] process_backlog+0x101/0x620 [ 3566.630092][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3566.630092][ T74] net_rx_action+0x495/0xbe0 [ 3566.630092][ T74] __do_softirq+0x1b5/0x7f6 [ 3566.630092][ T74] [ 3566.631765][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3566.631765][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3566.631765][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3566.631765][ T74] fib6_nh_init+0xa22/0x1580 [ 3566.631765][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3566.631765][ T74] ip6_route_add+0x1c/0x140 [ 3566.631765][ T74] inet6_rtm_newroute+0x104/0x110 [ 3566.631765][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3566.631765][ T74] netlink_rcv_skb+0x130/0x360 [ 3566.631765][ T74] netlink_unicast+0x449/0x710 [ 3566.631765][ T74] netlink_sendmsg+0x723/0xbe0 [ 3566.631765][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3566.631765][ T74] ___sys_sendmsg+0xee/0x170 [ 3566.631765][ T74] __sys_sendmsg+0xcd/0x170 [ 3566.631765][ T74] do_syscall_64+0xc6/0x1e0 [ 3566.631765][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3566.631765][ T74] [ 3566.633675][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3566.633675][ T74] netdev_get_by_index+0x5e/0x80 [ 3566.633675][ T74] fib6_nh_init+0x3d8/0x1580 [ 3566.633675][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3566.633675][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3566.633675][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3566.633675][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3566.633675][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3566.633675][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3566.633675][ T74] addrconf_dad_begin+0x310/0x670 [ 3566.633675][ T74] addrconf_dad_work+0x10b/0xab0 [ 3566.633675][ T74] process_one_work+0x84d/0x18a0 [ 3566.633675][ T74] worker_thread+0x587/0xd30 [ 3566.633675][ T74] kthread+0x28a/0x350 [ 3566.633675][ T74] ret_from_fork+0x31/0x70 [ 3566.633675][ T74] ret_from_fork_asm+0x1a/0x30 [ 3566.633675][ T74] [ 3566.635609][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3566.635609][ T74] netdev_get_by_index+0x5e/0x80 [ 3566.635609][ T74] fib6_nh_init+0x3d8/0x1580 [ 3566.635609][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3566.635609][ T74] ip6_route_add+0x1c/0x140 [ 3566.635609][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3566.635609][ T74] inet6_addr_add+0x4f8/0xa40 [ 3566.635609][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3566.635609][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3566.635609][ T74] netlink_rcv_skb+0x130/0x360 [ 3566.635609][ T74] netlink_unicast+0x449/0x710 [ 3566.635609][ T74] netlink_sendmsg+0x723/0xbe0 [ 3566.635609][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3566.635609][ T74] ___sys_sendmsg+0xee/0x170 [ 3566.635609][ T74] __sys_sendmsg+0xcd/0x170 [ 3566.635609][ T74] do_syscall_64+0xc6/0x1e0 [ 3566.635609][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3566.635609][ T74] [ 3566.637620][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3566.637620][ T74] netdev_get_by_index+0x5e/0x80 [ 3566.637620][ T74] fib6_nh_init+0x3d8/0x1580 [ 3566.637620][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3566.637620][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3566.637620][ T74] ipv6_add_addr+0x411/0x2000 [ 3566.637620][ T74] inet6_addr_add+0x30e/0xa40 [ 3566.637620][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3566.637620][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3566.637620][ T74] netlink_rcv_skb+0x130/0x360 [ 3566.637620][ T74] netlink_unicast+0x449/0x710 [ 3566.637620][ T74] netlink_sendmsg+0x723/0xbe0 [ 3566.637620][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3566.637620][ T74] ___sys_sendmsg+0xee/0x170 [ 3566.637620][ T74] __sys_sendmsg+0xcd/0x170 [ 3566.637620][ T74] do_syscall_64+0xc6/0x1e0 [ 3566.637620][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3566.637620][ T74] [ 3566.639639][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3566.639639][ T74] netdev_get_by_index+0x5e/0x80 [ 3566.639639][ T74] fib6_nh_init+0x3d8/0x1580 [ 3566.639639][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3566.639639][ T74] ip6_route_add+0x1c/0x140 [ 3566.639639][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3566.639639][ T74] addrconf_add_dev+0xe2/0x170 [ 3566.639639][ T74] inet6_addr_add+0x12f/0xa40 [ 3566.639639][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3566.639639][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3566.639639][ T74] netlink_rcv_skb+0x130/0x360 [ 3566.639639][ T74] netlink_unicast+0x449/0x710 [ 3566.639639][ T74] netlink_sendmsg+0x723/0xbe0 [ 3566.639639][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3566.639639][ T74] ___sys_sendmsg+0xee/0x170 [ 3566.639639][ T74] __sys_sendmsg+0xcd/0x170 [ 3566.639639][ T74] do_syscall_64+0xc6/0x1e0 [ 3566.639639][ T74] [ 3566.641614][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3566.641614][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3566.641614][ T74] ipv6_find_idev+0x102/0x170 [ 3566.641614][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3566.641614][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3566.641614][ T74] netlink_rcv_skb+0x130/0x360 [ 3566.641614][ T74] netlink_unicast+0x449/0x710 [ 3566.641614][ T74] netlink_sendmsg+0x723/0xbe0 [ 3566.641614][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3566.641614][ T74] ___sys_sendmsg+0xee/0x170 [ 3566.641614][ T74] __sys_sendmsg+0xcd/0x170 [ 3566.641614][ T74] do_syscall_64+0xc6/0x1e0 [ 3566.641614][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3566.641614][ T74] [ 3566.643302][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3566.643302][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3566.643302][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3566.643302][ T74] ipv6_find_idev+0x102/0x170 [ 3566.643302][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3566.643302][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3566.643302][ T74] netlink_rcv_skb+0x130/0x360 [ 3566.643302][ T74] netlink_unicast+0x449/0x710 [ 3566.643302][ T74] netlink_sendmsg+0x723/0xbe0 [ 3566.643302][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3566.643302][ T74] ___sys_sendmsg+0xee/0x170 [ 3566.643302][ T74] __sys_sendmsg+0xcd/0x170 [ 3566.643302][ T74] do_syscall_64+0xc6/0x1e0 [ 3566.643302][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3566.643302][ T74] [ 3566.645308][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3566.645553][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3566.645553][ T74] netdev_get_by_index+0x5e/0x80 [ 3566.645553][ T74] fib6_nh_init+0x3d8/0x1580 [ 3566.645553][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3566.645553][ T74] ip6_route_add+0x1c/0x140 [ 3566.645553][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3566.645553][ T74] inet6_addr_add+0x4f8/0xa40 [ 3566.645553][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3566.645553][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3566.645553][ T74] netlink_rcv_skb+0x130/0x360 [ 3566.645553][ T74] netlink_unicast+0x449/0x710 [ 3566.645553][ T74] netlink_sendmsg+0x723/0xbe0 [ 3566.645553][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3566.645553][ T74] ___sys_sendmsg+0xee/0x170 [ 3566.645553][ T74] __sys_sendmsg+0xcd/0x170 [ 3566.645553][ T74] do_syscall_64+0xc6/0x1e0 [ 3566.645553][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3566.645553][ T74] [ 3566.647813][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3566.647813][ T74] netdev_get_by_index+0x5e/0x80 [ 3566.647813][ T74] fib6_nh_init+0x3d8/0x1580 [ 3566.647813][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3566.647813][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3566.647813][ T74] ipv6_add_addr+0x411/0x2000 [ 3566.647813][ T74] inet6_addr_add+0x30e/0xa40 [ 3566.647813][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3566.647813][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3566.647813][ T74] netlink_rcv_skb+0x130/0x360 [ 3566.647813][ T74] netlink_unicast+0x449/0x710 [ 3566.647813][ T74] netlink_sendmsg+0x723/0xbe0 [ 3566.647813][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3566.647813][ T74] ___sys_sendmsg+0xee/0x170 [ 3566.647813][ T74] __sys_sendmsg+0xcd/0x170 [ 3566.647813][ T74] do_syscall_64+0xc6/0x1e0 [ 3566.647813][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3566.647813][ T74] [ 3566.650072][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3566.650072][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3566.650072][ T74] ipv6_find_idev+0x102/0x170 [ 3566.650072][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3566.650072][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3566.650072][ T74] netlink_rcv_skb+0x130/0x360 [ 3566.650072][ T74] netlink_unicast+0x449/0x710 [ 3566.650072][ T74] netlink_sendmsg+0x723/0xbe0 [ 3566.650072][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3566.650072][ T74] ___sys_sendmsg+0xee/0x170 [ 3566.650072][ T74] __sys_sendmsg+0xcd/0x170 [ 3566.650072][ T74] do_syscall_64+0xc6/0x1e0 [ 3566.650072][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3566.650072][ T74] [ 3566.651748][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3566.651748][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3566.651748][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3566.651748][ T74] ipv6_find_idev+0x102/0x170 [ 3566.651748][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3566.651748][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3566.651748][ T74] netlink_rcv_skb+0x130/0x360 [ 3566.651748][ T74] netlink_unicast+0x449/0x710 [ 3566.651748][ T74] netlink_sendmsg+0x723/0xbe0 [ 3566.651748][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3566.651748][ T74] ___sys_sendmsg+0xee/0x170 [ 3566.651748][ T74] __sys_sendmsg+0xcd/0x170 [ 3566.651748][ T74] do_syscall_64+0xc6/0x1e0 [ 3566.651748][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3566.651748][ T74] [ 3576.895983][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3576.896413][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3576.896413][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3576.896413][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3576.896413][ T74] fib6_nh_init+0xa22/0x1580 [ 3576.896413][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3576.896413][ T74] ip6_route_add+0x1c/0x140 [ 3576.896413][ T74] inet6_rtm_newroute+0x104/0x110 [ 3576.896413][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3576.896413][ T74] netlink_rcv_skb+0x130/0x360 [ 3576.896413][ T74] netlink_unicast+0x449/0x710 [ 3576.896413][ T74] netlink_sendmsg+0x723/0xbe0 [ 3576.896413][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3576.896413][ T74] ___sys_sendmsg+0xee/0x170 [ 3576.896413][ T74] __sys_sendmsg+0xcd/0x170 [ 3576.896413][ T74] do_syscall_64+0xc6/0x1e0 [ 3576.896413][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3576.896413][ T74] [ 3576.898332][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3576.898332][ T74] netdev_get_by_index+0x5e/0x80 [ 3576.898332][ T74] fib6_nh_init+0x3d8/0x1580 [ 3576.898332][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3576.898332][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3576.898332][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3576.898332][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3576.898332][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3576.898332][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3576.898332][ T74] addrconf_dad_begin+0x310/0x670 [ 3576.898332][ T74] addrconf_dad_work+0x10b/0xab0 [ 3576.898332][ T74] process_one_work+0x84d/0x18a0 [ 3576.898332][ T74] worker_thread+0x587/0xd30 [ 3576.898332][ T74] kthread+0x28a/0x350 [ 3576.898332][ T74] ret_from_fork+0x31/0x70 [ 3576.898332][ T74] ret_from_fork_asm+0x1a/0x30 [ 3576.898332][ T74] [ 3576.900269][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3576.900269][ T74] netdev_get_by_index+0x5e/0x80 [ 3576.900269][ T74] fib6_nh_init+0x3d8/0x1580 [ 3576.900269][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3576.900269][ T74] ip6_route_add+0x1c/0x140 [ 3576.900269][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3576.900269][ T74] inet6_addr_add+0x4f8/0xa40 [ 3576.900269][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3576.900269][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3576.900269][ T74] netlink_rcv_skb+0x130/0x360 [ 3576.900269][ T74] netlink_unicast+0x449/0x710 [ 3576.900269][ T74] netlink_sendmsg+0x723/0xbe0 [ 3576.900269][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3576.900269][ T74] ___sys_sendmsg+0xee/0x170 [ 3576.900269][ T74] __sys_sendmsg+0xcd/0x170 [ 3576.900269][ T74] do_syscall_64+0xc6/0x1e0 [ 3576.900269][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3576.900269][ T74] [ 3576.902291][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3576.902291][ T74] netdev_get_by_index+0x5e/0x80 [ 3576.902291][ T74] fib6_nh_init+0x3d8/0x1580 [ 3576.902291][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3576.902291][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3576.902291][ T74] ipv6_add_addr+0x411/0x2000 [ 3576.902291][ T74] inet6_addr_add+0x30e/0xa40 [ 3576.902291][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3576.902291][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3576.902291][ T74] netlink_rcv_skb+0x130/0x360 [ 3576.902291][ T74] netlink_unicast+0x449/0x710 [ 3576.902291][ T74] netlink_sendmsg+0x723/0xbe0 [ 3576.902291][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3576.902291][ T74] ___sys_sendmsg+0xee/0x170 [ 3576.902291][ T74] __sys_sendmsg+0xcd/0x170 [ 3576.902291][ T74] do_syscall_64+0xc6/0x1e0 [ 3576.902291][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3576.902291][ T74] [ 3576.904290][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3576.904290][ T74] netdev_get_by_index+0x5e/0x80 [ 3576.904290][ T74] fib6_nh_init+0x3d8/0x1580 [ 3576.904290][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3576.904290][ T74] ip6_route_add+0x1c/0x140 [ 3576.904290][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3576.904290][ T74] addrconf_add_dev+0xe2/0x170 [ 3576.904290][ T74] inet6_addr_add+0x12f/0xa40 [ 3576.904290][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3576.904290][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3576.904290][ T74] netlink_rcv_skb+0x130/0x360 [ 3576.904290][ T74] netlink_unicast+0x449/0x710 [ 3576.904290][ T74] netlink_sendmsg+0x723/0xbe0 [ 3576.904290][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3576.904290][ T74] ___sys_sendmsg+0xee/0x170 [ 3576.904290][ T74] __sys_sendmsg+0xcd/0x170 [ 3576.904290][ T74] do_syscall_64+0xc6/0x1e0 [ 3576.904290][ T74] [ 3576.906243][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3576.906243][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3576.906243][ T74] ipv6_find_idev+0x102/0x170 [ 3576.906243][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3576.906243][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3576.906243][ T74] netlink_rcv_skb+0x130/0x360 [ 3576.906243][ T74] netlink_unicast+0x449/0x710 [ 3576.906243][ T74] netlink_sendmsg+0x723/0xbe0 [ 3576.906243][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3576.906243][ T74] ___sys_sendmsg+0xee/0x170 [ 3576.906243][ T74] __sys_sendmsg+0xcd/0x170 [ 3576.906243][ T74] do_syscall_64+0xc6/0x1e0 [ 3576.906243][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3576.906243][ T74] [ 3576.907809][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3576.907809][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3576.907809][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3576.907809][ T74] ipv6_find_idev+0x102/0x170 [ 3576.907809][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3576.907809][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3576.907809][ T74] netlink_rcv_skb+0x130/0x360 [ 3576.907809][ T74] netlink_unicast+0x449/0x710 [ 3576.907809][ T74] netlink_sendmsg+0x723/0xbe0 [ 3576.907809][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3576.907809][ T74] ___sys_sendmsg+0xee/0x170 [ 3576.907809][ T74] __sys_sendmsg+0xcd/0x170 [ 3576.907809][ T74] do_syscall_64+0xc6/0x1e0 [ 3576.907809][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3576.907809][ T74] [ 3576.909518][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3576.909804][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3576.909804][ T74] dst_init+0x84/0x4a0 [ 3576.909804][ T74] dst_alloc+0x97/0x150 [ 3576.909804][ T74] ip6_dst_alloc+0x23/0x90 [ 3576.909804][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3576.909804][ T74] ip6_pol_route+0x56f/0x840 [ 3576.909804][ T74] fib6_rule_lookup+0x456/0x630 [ 3576.909804][ T74] ip6_route_input+0x59c/0xa50 [ 3576.909804][ T74] ipv6_rcv+0x397/0x810 [ 3576.909804][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3576.909804][ T74] process_backlog+0x101/0x620 [ 3576.909804][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3576.909804][ T74] net_rx_action+0x495/0xbe0 [ 3576.909804][ T74] __do_softirq+0x1b5/0x7f6 [ 3576.909804][ T74] [ 3576.911455][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3576.911455][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3576.911455][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3576.911455][ T74] fib6_nh_init+0xa22/0x1580 [ 3576.911455][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3576.911455][ T74] ip6_route_add+0x1c/0x140 [ 3576.911455][ T74] inet6_rtm_newroute+0x104/0x110 [ 3576.911455][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3576.911455][ T74] netlink_rcv_skb+0x130/0x360 [ 3576.911455][ T74] netlink_unicast+0x449/0x710 [ 3576.911455][ T74] netlink_sendmsg+0x723/0xbe0 [ 3576.911455][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3576.911455][ T74] ___sys_sendmsg+0xee/0x170 [ 3576.911455][ T74] __sys_sendmsg+0xcd/0x170 [ 3576.911455][ T74] do_syscall_64+0xc6/0x1e0 [ 3576.911455][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3576.911455][ T74] [ 3576.913347][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3576.913347][ T74] netdev_get_by_index+0x5e/0x80 [ 3576.913347][ T74] fib6_nh_init+0x3d8/0x1580 [ 3576.913347][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3576.913347][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3576.913347][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3576.913347][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3576.913347][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3576.913347][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3576.913347][ T74] addrconf_dad_begin+0x310/0x670 [ 3576.913347][ T74] addrconf_dad_work+0x10b/0xab0 [ 3576.913347][ T74] process_one_work+0x84d/0x18a0 [ 3576.913347][ T74] worker_thread+0x587/0xd30 [ 3576.913347][ T74] kthread+0x28a/0x350 [ 3576.913347][ T74] ret_from_fork+0x31/0x70 [ 3576.913347][ T74] ret_from_fork_asm+0x1a/0x30 [ 3576.913347][ T74] [ 3576.915273][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3576.915273][ T74] netdev_get_by_index+0x5e/0x80 [ 3576.915273][ T74] fib6_nh_init+0x3d8/0x1580 [ 3576.915273][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3576.915273][ T74] ip6_route_add+0x1c/0x140 [ 3576.915273][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3576.915273][ T74] inet6_addr_add+0x4f8/0xa40 [ 3576.915273][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3576.915273][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3576.915273][ T74] netlink_rcv_skb+0x130/0x360 [ 3576.915273][ T74] netlink_unicast+0x449/0x710 [ 3576.915273][ T74] netlink_sendmsg+0x723/0xbe0 [ 3576.915273][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3576.915273][ T74] ___sys_sendmsg+0xee/0x170 [ 3576.915273][ T74] __sys_sendmsg+0xcd/0x170 [ 3576.915273][ T74] do_syscall_64+0xc6/0x1e0 [ 3576.915273][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3576.915273][ T74] [ 3576.917289][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3576.917289][ T74] netdev_get_by_index+0x5e/0x80 [ 3576.917289][ T74] fib6_nh_init+0x3d8/0x1580 [ 3576.917289][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3576.917289][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3576.917289][ T74] ipv6_add_addr+0x411/0x2000 [ 3576.917289][ T74] inet6_addr_add+0x30e/0xa40 [ 3576.917289][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3576.917289][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3576.917289][ T74] netlink_rcv_skb+0x130/0x360 [ 3576.917289][ T74] netlink_unicast+0x449/0x710 [ 3576.917289][ T74] netlink_sendmsg+0x723/0xbe0 [ 3576.917289][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3576.917289][ T74] ___sys_sendmsg+0xee/0x170 [ 3576.917289][ T74] __sys_sendmsg+0xcd/0x170 [ 3576.917289][ T74] do_syscall_64+0xc6/0x1e0 [ 3576.917289][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3576.917289][ T74] [ 3576.919304][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3576.919304][ T74] netdev_get_by_index+0x5e/0x80 [ 3576.919304][ T74] fib6_nh_init+0x3d8/0x1580 [ 3576.919304][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3576.919304][ T74] ip6_route_add+0x1c/0x140 [ 3576.919304][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3576.919304][ T74] addrconf_add_dev+0xe2/0x170 [ 3576.919304][ T74] inet6_addr_add+0x12f/0xa40 [ 3576.919304][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3576.919304][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3576.919304][ T74] netlink_rcv_skb+0x130/0x360 [ 3576.919304][ T74] netlink_unicast+0x449/0x710 [ 3576.919304][ T74] netlink_sendmsg+0x723/0xbe0 [ 3576.919304][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3576.919304][ T74] ___sys_sendmsg+0xee/0x170 [ 3576.919304][ T74] __sys_sendmsg+0xcd/0x170 [ 3576.919304][ T74] do_syscall_64+0xc6/0x1e0 [ 3576.919304][ T74] [ 3576.921274][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3576.921274][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3576.921274][ T74] ipv6_find_idev+0x102/0x170 [ 3576.921274][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3576.921274][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3576.921274][ T74] netlink_rcv_skb+0x130/0x360 [ 3576.921274][ T74] netlink_unicast+0x449/0x710 [ 3576.921274][ T74] netlink_sendmsg+0x723/0xbe0 [ 3576.921274][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3576.921274][ T74] ___sys_sendmsg+0xee/0x170 [ 3576.921274][ T74] __sys_sendmsg+0xcd/0x170 [ 3576.921274][ T74] do_syscall_64+0xc6/0x1e0 [ 3576.921274][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3576.921274][ T74] [ 3576.922977][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3576.922977][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3576.922977][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3576.922977][ T74] ipv6_find_idev+0x102/0x170 [ 3576.922977][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3576.922977][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3576.922977][ T74] netlink_rcv_skb+0x130/0x360 [ 3576.922977][ T74] netlink_unicast+0x449/0x710 [ 3576.922977][ T74] netlink_sendmsg+0x723/0xbe0 [ 3576.922977][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3576.922977][ T74] ___sys_sendmsg+0xee/0x170 [ 3576.922977][ T74] __sys_sendmsg+0xcd/0x170 [ 3576.922977][ T74] do_syscall_64+0xc6/0x1e0 [ 3576.922977][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3576.922977][ T74] [ 3576.924985][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3576.925219][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3576.925219][ T74] netdev_get_by_index+0x5e/0x80 [ 3576.925219][ T74] fib6_nh_init+0x3d8/0x1580 [ 3576.925219][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3576.925219][ T74] ip6_route_add+0x1c/0x140 [ 3576.925219][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3576.925219][ T74] inet6_addr_add+0x4f8/0xa40 [ 3576.925219][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3576.925219][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3576.925219][ T74] netlink_rcv_skb+0x130/0x360 [ 3576.925219][ T74] netlink_unicast+0x449/0x710 [ 3576.925219][ T74] netlink_sendmsg+0x723/0xbe0 [ 3576.925219][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3576.925219][ T74] ___sys_sendmsg+0xee/0x170 [ 3576.925219][ T74] __sys_sendmsg+0xcd/0x170 [ 3576.925219][ T74] do_syscall_64+0xc6/0x1e0 [ 3576.925219][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3576.925219][ T74] [ 3576.927475][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3576.927475][ T74] netdev_get_by_index+0x5e/0x80 [ 3576.927475][ T74] fib6_nh_init+0x3d8/0x1580 [ 3576.927475][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3576.927475][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3576.927475][ T74] ipv6_add_addr+0x411/0x2000 [ 3576.927475][ T74] inet6_addr_add+0x30e/0xa40 [ 3576.927475][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3576.927475][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3576.927475][ T74] netlink_rcv_skb+0x130/0x360 [ 3576.927475][ T74] netlink_unicast+0x449/0x710 [ 3576.927475][ T74] netlink_sendmsg+0x723/0xbe0 [ 3576.927475][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3576.927475][ T74] ___sys_sendmsg+0xee/0x170 [ 3576.927475][ T74] __sys_sendmsg+0xcd/0x170 [ 3576.927475][ T74] do_syscall_64+0xc6/0x1e0 [ 3576.927475][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3576.927475][ T74] [ 3576.929737][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3576.929737][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3576.929737][ T74] ipv6_find_idev+0x102/0x170 [ 3576.929737][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3576.929737][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3576.929737][ T74] netlink_rcv_skb+0x130/0x360 [ 3576.929737][ T74] netlink_unicast+0x449/0x710 [ 3576.929737][ T74] netlink_sendmsg+0x723/0xbe0 [ 3576.929737][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3576.929737][ T74] ___sys_sendmsg+0xee/0x170 [ 3576.929737][ T74] __sys_sendmsg+0xcd/0x170 [ 3576.929737][ T74] do_syscall_64+0xc6/0x1e0 [ 3576.929737][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3576.929737][ T74] [ 3576.931343][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3576.931343][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3576.931343][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3576.931343][ T74] ipv6_find_idev+0x102/0x170 [ 3576.931343][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3576.931343][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3576.931343][ T74] netlink_rcv_skb+0x130/0x360 [ 3576.931343][ T74] netlink_unicast+0x449/0x710 [ 3576.931343][ T74] netlink_sendmsg+0x723/0xbe0 [ 3576.931343][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3576.931343][ T74] ___sys_sendmsg+0xee/0x170 [ 3576.931343][ T74] __sys_sendmsg+0xcd/0x170 [ 3576.931343][ T74] do_syscall_64+0xc6/0x1e0 [ 3576.931343][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3576.931343][ T74] [ 3587.175985][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3587.176463][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3587.176463][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3587.176463][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3587.176463][ T74] fib6_nh_init+0xa22/0x1580 [ 3587.176463][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3587.176463][ T74] ip6_route_add+0x1c/0x140 [ 3587.176463][ T74] inet6_rtm_newroute+0x104/0x110 [ 3587.176463][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3587.176463][ T74] netlink_rcv_skb+0x130/0x360 [ 3587.176463][ T74] netlink_unicast+0x449/0x710 [ 3587.176463][ T74] netlink_sendmsg+0x723/0xbe0 [ 3587.176463][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3587.176463][ T74] ___sys_sendmsg+0xee/0x170 [ 3587.176463][ T74] __sys_sendmsg+0xcd/0x170 [ 3587.176463][ T74] do_syscall_64+0xc6/0x1e0 [ 3587.176463][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3587.176463][ T74] [ 3587.178387][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3587.178387][ T74] netdev_get_by_index+0x5e/0x80 [ 3587.178387][ T74] fib6_nh_init+0x3d8/0x1580 [ 3587.178387][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3587.178387][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3587.178387][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3587.178387][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3587.178387][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3587.178387][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3587.178387][ T74] addrconf_dad_begin+0x310/0x670 [ 3587.178387][ T74] addrconf_dad_work+0x10b/0xab0 [ 3587.178387][ T74] process_one_work+0x84d/0x18a0 [ 3587.178387][ T74] worker_thread+0x587/0xd30 [ 3587.178387][ T74] kthread+0x28a/0x350 [ 3587.178387][ T74] ret_from_fork+0x31/0x70 [ 3587.178387][ T74] ret_from_fork_asm+0x1a/0x30 [ 3587.178387][ T74] [ 3587.180316][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3587.180316][ T74] netdev_get_by_index+0x5e/0x80 [ 3587.180316][ T74] fib6_nh_init+0x3d8/0x1580 [ 3587.180316][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3587.180316][ T74] ip6_route_add+0x1c/0x140 [ 3587.180316][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3587.180316][ T74] inet6_addr_add+0x4f8/0xa40 [ 3587.180316][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3587.180316][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3587.180316][ T74] netlink_rcv_skb+0x130/0x360 [ 3587.180316][ T74] netlink_unicast+0x449/0x710 [ 3587.180316][ T74] netlink_sendmsg+0x723/0xbe0 [ 3587.180316][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3587.180316][ T74] ___sys_sendmsg+0xee/0x170 [ 3587.180316][ T74] __sys_sendmsg+0xcd/0x170 [ 3587.180316][ T74] do_syscall_64+0xc6/0x1e0 [ 3587.180316][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3587.180316][ T74] [ 3587.182347][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3587.182347][ T74] netdev_get_by_index+0x5e/0x80 [ 3587.182347][ T74] fib6_nh_init+0x3d8/0x1580 [ 3587.182347][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3587.182347][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3587.182347][ T74] ipv6_add_addr+0x411/0x2000 [ 3587.182347][ T74] inet6_addr_add+0x30e/0xa40 [ 3587.182347][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3587.182347][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3587.182347][ T74] netlink_rcv_skb+0x130/0x360 [ 3587.182347][ T74] netlink_unicast+0x449/0x710 [ 3587.182347][ T74] netlink_sendmsg+0x723/0xbe0 [ 3587.182347][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3587.182347][ T74] ___sys_sendmsg+0xee/0x170 [ 3587.182347][ T74] __sys_sendmsg+0xcd/0x170 [ 3587.182347][ T74] do_syscall_64+0xc6/0x1e0 [ 3587.182347][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3587.182347][ T74] [ 3587.184382][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3587.184382][ T74] netdev_get_by_index+0x5e/0x80 [ 3587.184382][ T74] fib6_nh_init+0x3d8/0x1580 [ 3587.184382][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3587.184382][ T74] ip6_route_add+0x1c/0x140 [ 3587.184382][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3587.184382][ T74] addrconf_add_dev+0xe2/0x170 [ 3587.184382][ T74] inet6_addr_add+0x12f/0xa40 [ 3587.184382][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3587.184382][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3587.184382][ T74] netlink_rcv_skb+0x130/0x360 [ 3587.184382][ T74] netlink_unicast+0x449/0x710 [ 3587.184382][ T74] netlink_sendmsg+0x723/0xbe0 [ 3587.184382][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3587.184382][ T74] ___sys_sendmsg+0xee/0x170 [ 3587.184382][ T74] __sys_sendmsg+0xcd/0x170 [ 3587.184382][ T74] do_syscall_64+0xc6/0x1e0 [ 3587.184382][ T74] [ 3587.186359][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3587.186359][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3587.186359][ T74] ipv6_find_idev+0x102/0x170 [ 3587.186359][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3587.186359][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3587.186359][ T74] netlink_rcv_skb+0x130/0x360 [ 3587.186359][ T74] netlink_unicast+0x449/0x710 [ 3587.186359][ T74] netlink_sendmsg+0x723/0xbe0 [ 3587.186359][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3587.186359][ T74] ___sys_sendmsg+0xee/0x170 [ 3587.186359][ T74] __sys_sendmsg+0xcd/0x170 [ 3587.186359][ T74] do_syscall_64+0xc6/0x1e0 [ 3587.186359][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3587.186359][ T74] [ 3587.187925][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3587.187925][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3587.187925][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3587.187925][ T74] ipv6_find_idev+0x102/0x170 [ 3587.187925][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3587.187925][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3587.187925][ T74] netlink_rcv_skb+0x130/0x360 [ 3587.187925][ T74] netlink_unicast+0x449/0x710 [ 3587.187925][ T74] netlink_sendmsg+0x723/0xbe0 [ 3587.187925][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3587.187925][ T74] ___sys_sendmsg+0xee/0x170 [ 3587.187925][ T74] __sys_sendmsg+0xcd/0x170 [ 3587.187925][ T74] do_syscall_64+0xc6/0x1e0 [ 3587.187925][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3587.187925][ T74] [ 3587.189628][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3587.189930][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3587.189930][ T74] dst_init+0x84/0x4a0 [ 3587.189930][ T74] dst_alloc+0x97/0x150 [ 3587.189930][ T74] ip6_dst_alloc+0x23/0x90 [ 3587.189930][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3587.189930][ T74] ip6_pol_route+0x56f/0x840 [ 3587.189930][ T74] fib6_rule_lookup+0x456/0x630 [ 3587.189930][ T74] ip6_route_input+0x59c/0xa50 [ 3587.189930][ T74] ipv6_rcv+0x397/0x810 [ 3587.189930][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3587.189930][ T74] process_backlog+0x101/0x620 [ 3587.189930][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3587.189930][ T74] net_rx_action+0x495/0xbe0 [ 3587.189930][ T74] __do_softirq+0x1b5/0x7f6 [ 3587.189930][ T74] [ 3587.191595][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3587.191595][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3587.191595][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3587.191595][ T74] fib6_nh_init+0xa22/0x1580 [ 3587.191595][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3587.191595][ T74] ip6_route_add+0x1c/0x140 [ 3587.191595][ T74] inet6_rtm_newroute+0x104/0x110 [ 3587.191595][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3587.191595][ T74] netlink_rcv_skb+0x130/0x360 [ 3587.191595][ T74] netlink_unicast+0x449/0x710 [ 3587.191595][ T74] netlink_sendmsg+0x723/0xbe0 [ 3587.191595][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3587.191595][ T74] ___sys_sendmsg+0xee/0x170 [ 3587.191595][ T74] __sys_sendmsg+0xcd/0x170 [ 3587.191595][ T74] do_syscall_64+0xc6/0x1e0 [ 3587.191595][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3587.191595][ T74] [ 3587.193726][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3587.193726][ T74] netdev_get_by_index+0x5e/0x80 [ 3587.193726][ T74] fib6_nh_init+0x3d8/0x1580 [ 3587.193726][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3587.193726][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3587.193726][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3587.193726][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3587.193726][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3587.193726][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3587.193726][ T74] addrconf_dad_begin+0x310/0x670 [ 3587.193726][ T74] addrconf_dad_work+0x10b/0xab0 [ 3587.193726][ T74] process_one_work+0x84d/0x18a0 [ 3587.193726][ T74] worker_thread+0x587/0xd30 [ 3587.193726][ T74] kthread+0x28a/0x350 [ 3587.193726][ T74] ret_from_fork+0x31/0x70 [ 3587.193726][ T74] ret_from_fork_asm+0x1a/0x30 [ 3587.193726][ T74] [ 3587.195812][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3587.195812][ T74] netdev_get_by_index+0x5e/0x80 [ 3587.195812][ T74] fib6_nh_init+0x3d8/0x1580 [ 3587.195812][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3587.195812][ T74] ip6_route_add+0x1c/0x140 [ 3587.195812][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3587.195812][ T74] inet6_addr_add+0x4f8/0xa40 [ 3587.195812][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3587.195812][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3587.195812][ T74] netlink_rcv_skb+0x130/0x360 [ 3587.195812][ T74] netlink_unicast+0x449/0x710 [ 3587.195812][ T74] netlink_sendmsg+0x723/0xbe0 [ 3587.195812][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3587.195812][ T74] ___sys_sendmsg+0xee/0x170 [ 3587.195812][ T74] __sys_sendmsg+0xcd/0x170 [ 3587.195812][ T74] do_syscall_64+0xc6/0x1e0 [ 3587.195812][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3587.195812][ T74] [ 3587.197999][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3587.197999][ T74] netdev_get_by_index+0x5e/0x80 [ 3587.197999][ T74] fib6_nh_init+0x3d8/0x1580 [ 3587.197999][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3587.197999][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3587.197999][ T74] ipv6_add_addr+0x411/0x2000 [ 3587.197999][ T74] inet6_addr_add+0x30e/0xa40 [ 3587.197999][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3587.197999][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3587.197999][ T74] netlink_rcv_skb+0x130/0x360 [ 3587.197999][ T74] netlink_unicast+0x449/0x710 [ 3587.197999][ T74] netlink_sendmsg+0x723/0xbe0 [ 3587.197999][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3587.197999][ T74] ___sys_sendmsg+0xee/0x170 [ 3587.197999][ T74] __sys_sendmsg+0xcd/0x170 [ 3587.197999][ T74] do_syscall_64+0xc6/0x1e0 [ 3587.197999][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3587.197999][ T74] [ 3587.200160][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3587.200160][ T74] netdev_get_by_index+0x5e/0x80 [ 3587.200160][ T74] fib6_nh_init+0x3d8/0x1580 [ 3587.200160][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3587.200160][ T74] ip6_route_add+0x1c/0x140 [ 3587.200160][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3587.200160][ T74] addrconf_add_dev+0xe2/0x170 [ 3587.200160][ T74] inet6_addr_add+0x12f/0xa40 [ 3587.200160][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3587.200160][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3587.200160][ T74] netlink_rcv_skb+0x130/0x360 [ 3587.200160][ T74] netlink_unicast+0x449/0x710 [ 3587.200160][ T74] netlink_sendmsg+0x723/0xbe0 [ 3587.200160][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3587.200160][ T74] ___sys_sendmsg+0xee/0x170 [ 3587.200160][ T74] __sys_sendmsg+0xcd/0x170 [ 3587.200160][ T74] do_syscall_64+0xc6/0x1e0 [ 3587.200160][ T74] [ 3587.202331][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3587.202331][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3587.202331][ T74] ipv6_find_idev+0x102/0x170 [ 3587.202331][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3587.202331][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3587.202331][ T74] netlink_rcv_skb+0x130/0x360 [ 3587.202331][ T74] netlink_unicast+0x449/0x710 [ 3587.202331][ T74] netlink_sendmsg+0x723/0xbe0 [ 3587.202331][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3587.202331][ T74] ___sys_sendmsg+0xee/0x170 [ 3587.202331][ T74] __sys_sendmsg+0xcd/0x170 [ 3587.202331][ T74] do_syscall_64+0xc6/0x1e0 [ 3587.202331][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3587.202331][ T74] [ 3587.204149][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3587.204149][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3587.204149][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3587.204149][ T74] ipv6_find_idev+0x102/0x170 [ 3587.204149][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3587.204149][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3587.204149][ T74] netlink_rcv_skb+0x130/0x360 [ 3587.204149][ T74] netlink_unicast+0x449/0x710 [ 3587.204149][ T74] netlink_sendmsg+0x723/0xbe0 [ 3587.204149][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3587.204149][ T74] ___sys_sendmsg+0xee/0x170 [ 3587.204149][ T74] __sys_sendmsg+0xcd/0x170 [ 3587.204149][ T74] do_syscall_64+0xc6/0x1e0 [ 3587.204149][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3587.204149][ T74] [ 3587.206308][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3587.206573][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3587.206573][ T74] netdev_get_by_index+0x5e/0x80 [ 3587.206573][ T74] fib6_nh_init+0x3d8/0x1580 [ 3587.206573][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3587.206573][ T74] ip6_route_add+0x1c/0x140 [ 3587.206573][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3587.206573][ T74] inet6_addr_add+0x4f8/0xa40 [ 3587.206573][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3587.206573][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3587.206573][ T74] netlink_rcv_skb+0x130/0x360 [ 3587.206573][ T74] netlink_unicast+0x449/0x710 [ 3587.206573][ T74] netlink_sendmsg+0x723/0xbe0 [ 3587.206573][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3587.206573][ T74] ___sys_sendmsg+0xee/0x170 [ 3587.206573][ T74] __sys_sendmsg+0xcd/0x170 [ 3587.206573][ T74] do_syscall_64+0xc6/0x1e0 [ 3587.206573][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3587.206573][ T74] [ 3587.209049][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3587.209049][ T74] netdev_get_by_index+0x5e/0x80 [ 3587.209049][ T74] fib6_nh_init+0x3d8/0x1580 [ 3587.209049][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3587.209049][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3587.209049][ T74] ipv6_add_addr+0x411/0x2000 [ 3587.209049][ T74] inet6_addr_add+0x30e/0xa40 [ 3587.209049][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3587.209049][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3587.209049][ T74] netlink_rcv_skb+0x130/0x360 [ 3587.209049][ T74] netlink_unicast+0x449/0x710 [ 3587.209049][ T74] netlink_sendmsg+0x723/0xbe0 [ 3587.209049][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3587.209049][ T74] ___sys_sendmsg+0xee/0x170 [ 3587.209049][ T74] __sys_sendmsg+0xcd/0x170 [ 3587.209049][ T74] do_syscall_64+0xc6/0x1e0 [ 3587.209049][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3587.209049][ T74] [ 3587.211490][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3587.211490][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3587.211490][ T74] ipv6_find_idev+0x102/0x170 [ 3587.211490][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3587.211490][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3587.211490][ T74] netlink_rcv_skb+0x130/0x360 [ 3587.211490][ T74] netlink_unicast+0x449/0x710 [ 3587.211490][ T74] netlink_sendmsg+0x723/0xbe0 [ 3587.211490][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3587.211490][ T74] ___sys_sendmsg+0xee/0x170 [ 3587.211490][ T74] __sys_sendmsg+0xcd/0x170 [ 3587.211490][ T74] do_syscall_64+0xc6/0x1e0 [ 3587.211490][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3587.211490][ T74] [ 3587.213327][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3587.213327][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3587.213327][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3587.213327][ T74] ipv6_find_idev+0x102/0x170 [ 3587.213327][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3587.213327][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3587.213327][ T74] netlink_rcv_skb+0x130/0x360 [ 3587.213327][ T74] netlink_unicast+0x449/0x710 [ 3587.213327][ T74] netlink_sendmsg+0x723/0xbe0 [ 3587.213327][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3587.213327][ T74] ___sys_sendmsg+0xee/0x170 [ 3587.213327][ T74] __sys_sendmsg+0xcd/0x170 [ 3587.213327][ T74] do_syscall_64+0xc6/0x1e0 [ 3587.213327][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3587.213327][ T74] [ 3597.456054][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3597.456514][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3597.456514][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3597.456514][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3597.456514][ T74] fib6_nh_init+0xa22/0x1580 [ 3597.456514][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3597.456514][ T74] ip6_route_add+0x1c/0x140 [ 3597.456514][ T74] inet6_rtm_newroute+0x104/0x110 [ 3597.456514][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3597.456514][ T74] netlink_rcv_skb+0x130/0x360 [ 3597.456514][ T74] netlink_unicast+0x449/0x710 [ 3597.456514][ T74] netlink_sendmsg+0x723/0xbe0 [ 3597.456514][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3597.456514][ T74] ___sys_sendmsg+0xee/0x170 [ 3597.456514][ T74] __sys_sendmsg+0xcd/0x170 [ 3597.456514][ T74] do_syscall_64+0xc6/0x1e0 [ 3597.456514][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3597.456514][ T74] [ 3597.458435][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3597.458435][ T74] netdev_get_by_index+0x5e/0x80 [ 3597.458435][ T74] fib6_nh_init+0x3d8/0x1580 [ 3597.458435][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3597.458435][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3597.458435][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3597.458435][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3597.458435][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3597.458435][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3597.458435][ T74] addrconf_dad_begin+0x310/0x670 [ 3597.458435][ T74] addrconf_dad_work+0x10b/0xab0 [ 3597.458435][ T74] process_one_work+0x84d/0x18a0 [ 3597.458435][ T74] worker_thread+0x587/0xd30 [ 3597.458435][ T74] kthread+0x28a/0x350 [ 3597.458435][ T74] ret_from_fork+0x31/0x70 [ 3597.458435][ T74] ret_from_fork_asm+0x1a/0x30 [ 3597.458435][ T74] [ 3597.460385][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3597.460385][ T74] netdev_get_by_index+0x5e/0x80 [ 3597.460385][ T74] fib6_nh_init+0x3d8/0x1580 [ 3597.460385][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3597.460385][ T74] ip6_route_add+0x1c/0x140 [ 3597.460385][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3597.460385][ T74] inet6_addr_add+0x4f8/0xa40 [ 3597.460385][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3597.460385][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3597.460385][ T74] netlink_rcv_skb+0x130/0x360 [ 3597.460385][ T74] netlink_unicast+0x449/0x710 [ 3597.460385][ T74] netlink_sendmsg+0x723/0xbe0 [ 3597.460385][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3597.460385][ T74] ___sys_sendmsg+0xee/0x170 [ 3597.460385][ T74] __sys_sendmsg+0xcd/0x170 [ 3597.460385][ T74] do_syscall_64+0xc6/0x1e0 [ 3597.460385][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3597.460385][ T74] [ 3597.462515][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3597.462515][ T74] netdev_get_by_index+0x5e/0x80 [ 3597.462515][ T74] fib6_nh_init+0x3d8/0x1580 [ 3597.462515][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3597.462515][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3597.462515][ T74] ipv6_add_addr+0x411/0x2000 [ 3597.462515][ T74] inet6_addr_add+0x30e/0xa40 [ 3597.462515][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3597.462515][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3597.462515][ T74] netlink_rcv_skb+0x130/0x360 [ 3597.462515][ T74] netlink_unicast+0x449/0x710 [ 3597.462515][ T74] netlink_sendmsg+0x723/0xbe0 [ 3597.462515][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3597.462515][ T74] ___sys_sendmsg+0xee/0x170 [ 3597.462515][ T74] __sys_sendmsg+0xcd/0x170 [ 3597.462515][ T74] do_syscall_64+0xc6/0x1e0 [ 3597.462515][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3597.462515][ T74] [ 3597.464546][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3597.464546][ T74] netdev_get_by_index+0x5e/0x80 [ 3597.464546][ T74] fib6_nh_init+0x3d8/0x1580 [ 3597.464546][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3597.464546][ T74] ip6_route_add+0x1c/0x140 [ 3597.464546][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3597.464546][ T74] addrconf_add_dev+0xe2/0x170 [ 3597.464546][ T74] inet6_addr_add+0x12f/0xa40 [ 3597.464546][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3597.464546][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3597.464546][ T74] netlink_rcv_skb+0x130/0x360 [ 3597.464546][ T74] netlink_unicast+0x449/0x710 [ 3597.464546][ T74] netlink_sendmsg+0x723/0xbe0 [ 3597.464546][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3597.464546][ T74] ___sys_sendmsg+0xee/0x170 [ 3597.464546][ T74] __sys_sendmsg+0xcd/0x170 [ 3597.464546][ T74] do_syscall_64+0xc6/0x1e0 [ 3597.464546][ T74] [ 3597.466517][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3597.466517][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3597.466517][ T74] ipv6_find_idev+0x102/0x170 [ 3597.466517][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3597.466517][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3597.466517][ T74] netlink_rcv_skb+0x130/0x360 [ 3597.466517][ T74] netlink_unicast+0x449/0x710 [ 3597.466517][ T74] netlink_sendmsg+0x723/0xbe0 [ 3597.466517][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3597.466517][ T74] ___sys_sendmsg+0xee/0x170 [ 3597.466517][ T74] __sys_sendmsg+0xcd/0x170 [ 3597.466517][ T74] do_syscall_64+0xc6/0x1e0 [ 3597.466517][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3597.466517][ T74] [ 3597.468081][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3597.468081][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3597.468081][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3597.468081][ T74] ipv6_find_idev+0x102/0x170 [ 3597.468081][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3597.468081][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3597.468081][ T74] netlink_rcv_skb+0x130/0x360 [ 3597.468081][ T74] netlink_unicast+0x449/0x710 [ 3597.468081][ T74] netlink_sendmsg+0x723/0xbe0 [ 3597.468081][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3597.468081][ T74] ___sys_sendmsg+0xee/0x170 [ 3597.468081][ T74] __sys_sendmsg+0xcd/0x170 [ 3597.468081][ T74] do_syscall_64+0xc6/0x1e0 [ 3597.468081][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3597.468081][ T74] [ 3597.469784][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3597.470075][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3597.470075][ T74] dst_init+0x84/0x4a0 [ 3597.470075][ T74] dst_alloc+0x97/0x150 [ 3597.470075][ T74] ip6_dst_alloc+0x23/0x90 [ 3597.470075][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3597.470075][ T74] ip6_pol_route+0x56f/0x840 [ 3597.470075][ T74] fib6_rule_lookup+0x456/0x630 [ 3597.470075][ T74] ip6_route_input+0x59c/0xa50 [ 3597.470075][ T74] ipv6_rcv+0x397/0x810 [ 3597.470075][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3597.470075][ T74] process_backlog+0x101/0x620 [ 3597.470075][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3597.470075][ T74] net_rx_action+0x495/0xbe0 [ 3597.470075][ T74] __do_softirq+0x1b5/0x7f6 [ 3597.470075][ T74] [ 3597.471719][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3597.471719][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3597.471719][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3597.471719][ T74] fib6_nh_init+0xa22/0x1580 [ 3597.471719][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3597.471719][ T74] ip6_route_add+0x1c/0x140 [ 3597.471719][ T74] inet6_rtm_newroute+0x104/0x110 [ 3597.471719][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3597.471719][ T74] netlink_rcv_skb+0x130/0x360 [ 3597.471719][ T74] netlink_unicast+0x449/0x710 [ 3597.471719][ T74] netlink_sendmsg+0x723/0xbe0 [ 3597.471719][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3597.471719][ T74] ___sys_sendmsg+0xee/0x170 [ 3597.471719][ T74] __sys_sendmsg+0xcd/0x170 [ 3597.471719][ T74] do_syscall_64+0xc6/0x1e0 [ 3597.471719][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3597.471719][ T74] [ 3597.473592][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3597.473592][ T74] netdev_get_by_index+0x5e/0x80 [ 3597.473592][ T74] fib6_nh_init+0x3d8/0x1580 [ 3597.473592][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3597.473592][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3597.473592][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3597.473592][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3597.473592][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3597.473592][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3597.473592][ T74] addrconf_dad_begin+0x310/0x670 [ 3597.473592][ T74] addrconf_dad_work+0x10b/0xab0 [ 3597.473592][ T74] process_one_work+0x84d/0x18a0 [ 3597.473592][ T74] worker_thread+0x587/0xd30 [ 3597.473592][ T74] kthread+0x28a/0x350 [ 3597.473592][ T74] ret_from_fork+0x31/0x70 [ 3597.473592][ T74] ret_from_fork_asm+0x1a/0x30 [ 3597.473592][ T74] [ 3597.475497][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3597.475497][ T74] netdev_get_by_index+0x5e/0x80 [ 3597.475497][ T74] fib6_nh_init+0x3d8/0x1580 [ 3597.475497][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3597.475497][ T74] ip6_route_add+0x1c/0x140 [ 3597.475497][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3597.475497][ T74] inet6_addr_add+0x4f8/0xa40 [ 3597.475497][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3597.475497][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3597.475497][ T74] netlink_rcv_skb+0x130/0x360 [ 3597.475497][ T74] netlink_unicast+0x449/0x710 [ 3597.475497][ T74] netlink_sendmsg+0x723/0xbe0 [ 3597.475497][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3597.475497][ T74] ___sys_sendmsg+0xee/0x170 [ 3597.475497][ T74] __sys_sendmsg+0xcd/0x170 [ 3597.475497][ T74] do_syscall_64+0xc6/0x1e0 [ 3597.475497][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3597.475497][ T74] [ 3597.477494][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3597.477494][ T74] netdev_get_by_index+0x5e/0x80 [ 3597.477494][ T74] fib6_nh_init+0x3d8/0x1580 [ 3597.477494][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3597.477494][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3597.477494][ T74] ipv6_add_addr+0x411/0x2000 [ 3597.477494][ T74] inet6_addr_add+0x30e/0xa40 [ 3597.477494][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3597.477494][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3597.477494][ T74] netlink_rcv_skb+0x130/0x360 [ 3597.477494][ T74] netlink_unicast+0x449/0x710 [ 3597.477494][ T74] netlink_sendmsg+0x723/0xbe0 [ 3597.477494][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3597.477494][ T74] ___sys_sendmsg+0xee/0x170 [ 3597.477494][ T74] __sys_sendmsg+0xcd/0x170 [ 3597.477494][ T74] do_syscall_64+0xc6/0x1e0 [ 3597.477494][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3597.477494][ T74] [ 3597.479484][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3597.479484][ T74] netdev_get_by_index+0x5e/0x80 [ 3597.479484][ T74] fib6_nh_init+0x3d8/0x1580 [ 3597.479484][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3597.479484][ T74] ip6_route_add+0x1c/0x140 [ 3597.479484][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3597.479484][ T74] addrconf_add_dev+0xe2/0x170 [ 3597.479484][ T74] inet6_addr_add+0x12f/0xa40 [ 3597.479484][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3597.479484][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3597.479484][ T74] netlink_rcv_skb+0x130/0x360 [ 3597.479484][ T74] netlink_unicast+0x449/0x710 [ 3597.479484][ T74] netlink_sendmsg+0x723/0xbe0 [ 3597.479484][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3597.479484][ T74] ___sys_sendmsg+0xee/0x170 [ 3597.479484][ T74] __sys_sendmsg+0xcd/0x170 [ 3597.479484][ T74] do_syscall_64+0xc6/0x1e0 [ 3597.479484][ T74] [ 3597.481447][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3597.481447][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3597.481447][ T74] ipv6_find_idev+0x102/0x170 [ 3597.481447][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3597.481447][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3597.481447][ T74] netlink_rcv_skb+0x130/0x360 [ 3597.481447][ T74] netlink_unicast+0x449/0x710 [ 3597.481447][ T74] netlink_sendmsg+0x723/0xbe0 [ 3597.481447][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3597.481447][ T74] ___sys_sendmsg+0xee/0x170 [ 3597.481447][ T74] __sys_sendmsg+0xcd/0x170 [ 3597.481447][ T74] do_syscall_64+0xc6/0x1e0 [ 3597.481447][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3597.481447][ T74] [ 3597.483648][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3597.483648][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3597.483648][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3597.483648][ T74] ipv6_find_idev+0x102/0x170 [ 3597.483648][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3597.483648][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3597.483648][ T74] netlink_rcv_skb+0x130/0x360 [ 3597.483648][ T74] netlink_unicast+0x449/0x710 [ 3597.483648][ T74] netlink_sendmsg+0x723/0xbe0 [ 3597.483648][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3597.483648][ T74] ___sys_sendmsg+0xee/0x170 [ 3597.483648][ T74] __sys_sendmsg+0xcd/0x170 [ 3597.483648][ T74] do_syscall_64+0xc6/0x1e0 [ 3597.483648][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3597.483648][ T74] [ 3597.485620][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3597.485865][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3597.485865][ T74] netdev_get_by_index+0x5e/0x80 [ 3597.485865][ T74] fib6_nh_init+0x3d8/0x1580 [ 3597.485865][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3597.485865][ T74] ip6_route_add+0x1c/0x140 [ 3597.485865][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3597.485865][ T74] inet6_addr_add+0x4f8/0xa40 [ 3597.485865][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3597.485865][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3597.485865][ T74] netlink_rcv_skb+0x130/0x360 [ 3597.485865][ T74] netlink_unicast+0x449/0x710 [ 3597.485865][ T74] netlink_sendmsg+0x723/0xbe0 [ 3597.485865][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3597.485865][ T74] ___sys_sendmsg+0xee/0x170 [ 3597.485865][ T74] __sys_sendmsg+0xcd/0x170 [ 3597.485865][ T74] do_syscall_64+0xc6/0x1e0 [ 3597.485865][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3597.485865][ T74] [ 3597.504010][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3597.504010][ T74] netdev_get_by_index+0x5e/0x80 [ 3597.504010][ T74] fib6_nh_init+0x3d8/0x1580 [ 3597.504010][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3597.504010][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3597.504010][ T74] ipv6_add_addr+0x411/0x2000 [ 3597.504010][ T74] inet6_addr_add+0x30e/0xa40 [ 3597.504010][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3597.504010][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3597.504010][ T74] netlink_rcv_skb+0x130/0x360 [ 3597.504010][ T74] netlink_unicast+0x449/0x710 [ 3597.504010][ T74] netlink_sendmsg+0x723/0xbe0 [ 3597.504010][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3597.504010][ T74] ___sys_sendmsg+0xee/0x170 [ 3597.504010][ T74] __sys_sendmsg+0xcd/0x170 [ 3597.504010][ T74] do_syscall_64+0xc6/0x1e0 [ 3597.504010][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3597.504010][ T74] [ 3597.506259][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3597.506259][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3597.506259][ T74] ipv6_find_idev+0x102/0x170 [ 3597.506259][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3597.506259][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3597.506259][ T74] netlink_rcv_skb+0x130/0x360 [ 3597.506259][ T74] netlink_unicast+0x449/0x710 [ 3597.506259][ T74] netlink_sendmsg+0x723/0xbe0 [ 3597.506259][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3597.506259][ T74] ___sys_sendmsg+0xee/0x170 [ 3597.506259][ T74] __sys_sendmsg+0xcd/0x170 [ 3597.506259][ T74] do_syscall_64+0xc6/0x1e0 [ 3597.506259][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3597.506259][ T74] [ 3597.507850][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3597.507850][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3597.507850][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3597.507850][ T74] ipv6_find_idev+0x102/0x170 [ 3597.507850][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3597.507850][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3597.507850][ T74] netlink_rcv_skb+0x130/0x360 [ 3597.507850][ T74] netlink_unicast+0x449/0x710 [ 3597.507850][ T74] netlink_sendmsg+0x723/0xbe0 [ 3597.507850][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3597.507850][ T74] ___sys_sendmsg+0xee/0x170 [ 3597.507850][ T74] __sys_sendmsg+0xcd/0x170 [ 3597.507850][ T74] do_syscall_64+0xc6/0x1e0 [ 3597.507850][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3597.507850][ T74] [ 3607.751905][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3607.752294][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3607.752294][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3607.752294][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3607.752294][ T74] fib6_nh_init+0xa22/0x1580 [ 3607.752294][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3607.752294][ T74] ip6_route_add+0x1c/0x140 [ 3607.752294][ T74] inet6_rtm_newroute+0x104/0x110 [ 3607.752294][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3607.752294][ T74] netlink_rcv_skb+0x130/0x360 [ 3607.752294][ T74] netlink_unicast+0x449/0x710 [ 3607.752294][ T74] netlink_sendmsg+0x723/0xbe0 [ 3607.752294][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3607.752294][ T74] ___sys_sendmsg+0xee/0x170 [ 3607.752294][ T74] __sys_sendmsg+0xcd/0x170 [ 3607.752294][ T74] do_syscall_64+0xc6/0x1e0 [ 3607.752294][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3607.752294][ T74] [ 3607.754192][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3607.754192][ T74] netdev_get_by_index+0x5e/0x80 [ 3607.754192][ T74] fib6_nh_init+0x3d8/0x1580 [ 3607.754192][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3607.754192][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3607.754192][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3607.754192][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3607.754192][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3607.754192][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3607.754192][ T74] addrconf_dad_begin+0x310/0x670 [ 3607.754192][ T74] addrconf_dad_work+0x10b/0xab0 [ 3607.754192][ T74] process_one_work+0x84d/0x18a0 [ 3607.754192][ T74] worker_thread+0x587/0xd30 [ 3607.754192][ T74] kthread+0x28a/0x350 [ 3607.754192][ T74] ret_from_fork+0x31/0x70 [ 3607.754192][ T74] ret_from_fork_asm+0x1a/0x30 [ 3607.754192][ T74] [ 3607.756095][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3607.756095][ T74] netdev_get_by_index+0x5e/0x80 [ 3607.756095][ T74] fib6_nh_init+0x3d8/0x1580 [ 3607.756095][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3607.756095][ T74] ip6_route_add+0x1c/0x140 [ 3607.756095][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3607.756095][ T74] inet6_addr_add+0x4f8/0xa40 [ 3607.756095][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3607.756095][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3607.756095][ T74] netlink_rcv_skb+0x130/0x360 [ 3607.756095][ T74] netlink_unicast+0x449/0x710 [ 3607.756095][ T74] netlink_sendmsg+0x723/0xbe0 [ 3607.756095][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3607.756095][ T74] ___sys_sendmsg+0xee/0x170 [ 3607.756095][ T74] __sys_sendmsg+0xcd/0x170 [ 3607.756095][ T74] do_syscall_64+0xc6/0x1e0 [ 3607.756095][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3607.756095][ T74] [ 3607.758098][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3607.758098][ T74] netdev_get_by_index+0x5e/0x80 [ 3607.758098][ T74] fib6_nh_init+0x3d8/0x1580 [ 3607.758098][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3607.758098][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3607.758098][ T74] ipv6_add_addr+0x411/0x2000 [ 3607.758098][ T74] inet6_addr_add+0x30e/0xa40 [ 3607.758098][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3607.758098][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3607.758098][ T74] netlink_rcv_skb+0x130/0x360 [ 3607.758098][ T74] netlink_unicast+0x449/0x710 [ 3607.758098][ T74] netlink_sendmsg+0x723/0xbe0 [ 3607.758098][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3607.758098][ T74] ___sys_sendmsg+0xee/0x170 [ 3607.758098][ T74] __sys_sendmsg+0xcd/0x170 [ 3607.758098][ T74] do_syscall_64+0xc6/0x1e0 [ 3607.758098][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3607.758098][ T74] [ 3607.760100][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3607.760100][ T74] netdev_get_by_index+0x5e/0x80 [ 3607.760100][ T74] fib6_nh_init+0x3d8/0x1580 [ 3607.760100][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3607.760100][ T74] ip6_route_add+0x1c/0x140 [ 3607.760100][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3607.760100][ T74] addrconf_add_dev+0xe2/0x170 [ 3607.760100][ T74] inet6_addr_add+0x12f/0xa40 [ 3607.760100][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3607.760100][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3607.760100][ T74] netlink_rcv_skb+0x130/0x360 [ 3607.760100][ T74] netlink_unicast+0x449/0x710 [ 3607.760100][ T74] netlink_sendmsg+0x723/0xbe0 [ 3607.760100][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3607.760100][ T74] ___sys_sendmsg+0xee/0x170 [ 3607.760100][ T74] __sys_sendmsg+0xcd/0x170 [ 3607.760100][ T74] do_syscall_64+0xc6/0x1e0 [ 3607.760100][ T74] [ 3607.762083][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3607.762083][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3607.762083][ T74] ipv6_find_idev+0x102/0x170 [ 3607.762083][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3607.762083][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3607.762083][ T74] netlink_rcv_skb+0x130/0x360 [ 3607.762083][ T74] netlink_unicast+0x449/0x710 [ 3607.762083][ T74] netlink_sendmsg+0x723/0xbe0 [ 3607.762083][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3607.762083][ T74] ___sys_sendmsg+0xee/0x170 [ 3607.762083][ T74] __sys_sendmsg+0xcd/0x170 [ 3607.762083][ T74] do_syscall_64+0xc6/0x1e0 [ 3607.762083][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3607.762083][ T74] [ 3607.763618][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3607.763618][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3607.763618][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3607.763618][ T74] ipv6_find_idev+0x102/0x170 [ 3607.763618][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3607.763618][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3607.763618][ T74] netlink_rcv_skb+0x130/0x360 [ 3607.763618][ T74] netlink_unicast+0x449/0x710 [ 3607.763618][ T74] netlink_sendmsg+0x723/0xbe0 [ 3607.763618][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3607.763618][ T74] ___sys_sendmsg+0xee/0x170 [ 3607.763618][ T74] __sys_sendmsg+0xcd/0x170 [ 3607.763618][ T74] do_syscall_64+0xc6/0x1e0 [ 3607.763618][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3607.763618][ T74] [ 3607.765310][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3607.765586][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3607.765586][ T74] dst_init+0x84/0x4a0 [ 3607.765586][ T74] dst_alloc+0x97/0x150 [ 3607.765586][ T74] ip6_dst_alloc+0x23/0x90 [ 3607.765586][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3607.765586][ T74] ip6_pol_route+0x56f/0x840 [ 3607.765586][ T74] fib6_rule_lookup+0x456/0x630 [ 3607.765586][ T74] ip6_route_input+0x59c/0xa50 [ 3607.765586][ T74] ipv6_rcv+0x397/0x810 [ 3607.765586][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3607.765586][ T74] process_backlog+0x101/0x620 [ 3607.765586][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3607.765586][ T74] net_rx_action+0x495/0xbe0 [ 3607.765586][ T74] __do_softirq+0x1b5/0x7f6 [ 3607.765586][ T74] [ 3607.767213][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3607.767213][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3607.767213][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3607.767213][ T74] fib6_nh_init+0xa22/0x1580 [ 3607.767213][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3607.767213][ T74] ip6_route_add+0x1c/0x140 [ 3607.767213][ T74] inet6_rtm_newroute+0x104/0x110 [ 3607.767213][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3607.767213][ T74] netlink_rcv_skb+0x130/0x360 [ 3607.767213][ T74] netlink_unicast+0x449/0x710 [ 3607.767213][ T74] netlink_sendmsg+0x723/0xbe0 [ 3607.767213][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3607.767213][ T74] ___sys_sendmsg+0xee/0x170 [ 3607.767213][ T74] __sys_sendmsg+0xcd/0x170 [ 3607.767213][ T74] do_syscall_64+0xc6/0x1e0 [ 3607.767213][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3607.767213][ T74] [ 3607.769094][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3607.769094][ T74] netdev_get_by_index+0x5e/0x80 [ 3607.769094][ T74] fib6_nh_init+0x3d8/0x1580 [ 3607.769094][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3607.769094][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3607.769094][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3607.769094][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3607.769094][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3607.769094][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3607.769094][ T74] addrconf_dad_begin+0x310/0x670 [ 3607.769094][ T74] addrconf_dad_work+0x10b/0xab0 [ 3607.769094][ T74] process_one_work+0x84d/0x18a0 [ 3607.769094][ T74] worker_thread+0x587/0xd30 [ 3607.769094][ T74] kthread+0x28a/0x350 [ 3607.769094][ T74] ret_from_fork+0x31/0x70 [ 3607.769094][ T74] ret_from_fork_asm+0x1a/0x30 [ 3607.769094][ T74] [ 3607.771006][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3607.771006][ T74] netdev_get_by_index+0x5e/0x80 [ 3607.771006][ T74] fib6_nh_init+0x3d8/0x1580 [ 3607.771006][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3607.771006][ T74] ip6_route_add+0x1c/0x140 [ 3607.771006][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3607.771006][ T74] inet6_addr_add+0x4f8/0xa40 [ 3607.771006][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3607.771006][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3607.771006][ T74] netlink_rcv_skb+0x130/0x360 [ 3607.771006][ T74] netlink_unicast+0x449/0x710 [ 3607.771006][ T74] netlink_sendmsg+0x723/0xbe0 [ 3607.771006][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3607.771006][ T74] ___sys_sendmsg+0xee/0x170 [ 3607.771006][ T74] __sys_sendmsg+0xcd/0x170 [ 3607.771006][ T74] do_syscall_64+0xc6/0x1e0 [ 3607.771006][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3607.771006][ T74] [ 3607.773008][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3607.773008][ T74] netdev_get_by_index+0x5e/0x80 [ 3607.773008][ T74] fib6_nh_init+0x3d8/0x1580 [ 3607.773008][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3607.773008][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3607.773008][ T74] ipv6_add_addr+0x411/0x2000 [ 3607.773008][ T74] inet6_addr_add+0x30e/0xa40 [ 3607.773008][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3607.773008][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3607.773008][ T74] netlink_rcv_skb+0x130/0x360 [ 3607.773008][ T74] netlink_unicast+0x449/0x710 [ 3607.773008][ T74] netlink_sendmsg+0x723/0xbe0 [ 3607.773008][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3607.773008][ T74] ___sys_sendmsg+0xee/0x170 [ 3607.773008][ T74] __sys_sendmsg+0xcd/0x170 [ 3607.773008][ T74] do_syscall_64+0xc6/0x1e0 [ 3607.773008][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3607.773008][ T74] [ 3607.775000][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3607.775000][ T74] netdev_get_by_index+0x5e/0x80 [ 3607.775000][ T74] fib6_nh_init+0x3d8/0x1580 [ 3607.775000][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3607.775000][ T74] ip6_route_add+0x1c/0x140 [ 3607.775000][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3607.775000][ T74] addrconf_add_dev+0xe2/0x170 [ 3607.775000][ T74] inet6_addr_add+0x12f/0xa40 [ 3607.775000][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3607.775000][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3607.775000][ T74] netlink_rcv_skb+0x130/0x360 [ 3607.775000][ T74] netlink_unicast+0x449/0x710 [ 3607.775000][ T74] netlink_sendmsg+0x723/0xbe0 [ 3607.775000][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3607.775000][ T74] ___sys_sendmsg+0xee/0x170 [ 3607.775000][ T74] __sys_sendmsg+0xcd/0x170 [ 3607.775000][ T74] do_syscall_64+0xc6/0x1e0 [ 3607.775000][ T74] [ 3607.776965][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3607.776965][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3607.776965][ T74] ipv6_find_idev+0x102/0x170 [ 3607.776965][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3607.776965][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3607.776965][ T74] netlink_rcv_skb+0x130/0x360 [ 3607.776965][ T74] netlink_unicast+0x449/0x710 [ 3607.776965][ T74] netlink_sendmsg+0x723/0xbe0 [ 3607.776965][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3607.776965][ T74] ___sys_sendmsg+0xee/0x170 [ 3607.776965][ T74] __sys_sendmsg+0xcd/0x170 [ 3607.776965][ T74] do_syscall_64+0xc6/0x1e0 [ 3607.776965][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3607.776965][ T74] [ 3607.778623][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3607.778623][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3607.778623][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3607.778623][ T74] ipv6_find_idev+0x102/0x170 [ 3607.778623][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3607.778623][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3607.778623][ T74] netlink_rcv_skb+0x130/0x360 [ 3607.778623][ T74] netlink_unicast+0x449/0x710 [ 3607.778623][ T74] netlink_sendmsg+0x723/0xbe0 [ 3607.778623][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3607.778623][ T74] ___sys_sendmsg+0xee/0x170 [ 3607.778623][ T74] __sys_sendmsg+0xcd/0x170 [ 3607.778623][ T74] do_syscall_64+0xc6/0x1e0 [ 3607.778623][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3607.778623][ T74] [ 3607.780608][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3607.780853][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3607.780853][ T74] netdev_get_by_index+0x5e/0x80 [ 3607.780853][ T74] fib6_nh_init+0x3d8/0x1580 [ 3607.780853][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3607.780853][ T74] ip6_route_add+0x1c/0x140 [ 3607.780853][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3607.780853][ T74] inet6_addr_add+0x4f8/0xa40 [ 3607.780853][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3607.780853][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3607.780853][ T74] netlink_rcv_skb+0x130/0x360 [ 3607.780853][ T74] netlink_unicast+0x449/0x710 [ 3607.780853][ T74] netlink_sendmsg+0x723/0xbe0 [ 3607.780853][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3607.780853][ T74] ___sys_sendmsg+0xee/0x170 [ 3607.780853][ T74] __sys_sendmsg+0xcd/0x170 [ 3607.780853][ T74] do_syscall_64+0xc6/0x1e0 [ 3607.780853][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3607.780853][ T74] [ 3607.783109][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3607.783109][ T74] netdev_get_by_index+0x5e/0x80 [ 3607.783109][ T74] fib6_nh_init+0x3d8/0x1580 [ 3607.783109][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3607.783109][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3607.783109][ T74] ipv6_add_addr+0x411/0x2000 [ 3607.783109][ T74] inet6_addr_add+0x30e/0xa40 [ 3607.783109][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3607.783109][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3607.783109][ T74] netlink_rcv_skb+0x130/0x360 [ 3607.783109][ T74] netlink_unicast+0x449/0x710 [ 3607.783109][ T74] netlink_sendmsg+0x723/0xbe0 [ 3607.783109][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3607.783109][ T74] ___sys_sendmsg+0xee/0x170 [ 3607.783109][ T74] __sys_sendmsg+0xcd/0x170 [ 3607.783109][ T74] do_syscall_64+0xc6/0x1e0 [ 3607.783109][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3607.783109][ T74] [ 3607.785343][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3607.785343][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3607.785343][ T74] ipv6_find_idev+0x102/0x170 [ 3607.785343][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3607.785343][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3607.785343][ T74] netlink_rcv_skb+0x130/0x360 [ 3607.785343][ T74] netlink_unicast+0x449/0x710 [ 3607.785343][ T74] netlink_sendmsg+0x723/0xbe0 [ 3607.785343][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3607.785343][ T74] ___sys_sendmsg+0xee/0x170 [ 3607.785343][ T74] __sys_sendmsg+0xcd/0x170 [ 3607.785343][ T74] do_syscall_64+0xc6/0x1e0 [ 3607.785343][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3607.785343][ T74] [ 3607.786952][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3607.786952][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3607.786952][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3607.786952][ T74] ipv6_find_idev+0x102/0x170 [ 3607.786952][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3607.786952][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3607.786952][ T74] netlink_rcv_skb+0x130/0x360 [ 3607.786952][ T74] netlink_unicast+0x449/0x710 [ 3607.786952][ T74] netlink_sendmsg+0x723/0xbe0 [ 3607.786952][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3607.786952][ T74] ___sys_sendmsg+0xee/0x170 [ 3607.786952][ T74] __sys_sendmsg+0xcd/0x170 [ 3607.786952][ T74] do_syscall_64+0xc6/0x1e0 [ 3607.786952][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3607.786952][ T74] [ 3618.031980][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3618.032354][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3618.032354][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3618.032354][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3618.032354][ T74] fib6_nh_init+0xa22/0x1580 [ 3618.032354][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3618.032354][ T74] ip6_route_add+0x1c/0x140 [ 3618.032354][ T74] inet6_rtm_newroute+0x104/0x110 [ 3618.032354][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3618.032354][ T74] netlink_rcv_skb+0x130/0x360 [ 3618.032354][ T74] netlink_unicast+0x449/0x710 [ 3618.032354][ T74] netlink_sendmsg+0x723/0xbe0 [ 3618.032354][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3618.032354][ T74] ___sys_sendmsg+0xee/0x170 [ 3618.032354][ T74] __sys_sendmsg+0xcd/0x170 [ 3618.032354][ T74] do_syscall_64+0xc6/0x1e0 [ 3618.032354][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3618.032354][ T74] [ 3618.034268][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3618.034268][ T74] netdev_get_by_index+0x5e/0x80 [ 3618.034268][ T74] fib6_nh_init+0x3d8/0x1580 [ 3618.034268][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3618.034268][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3618.034268][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3618.034268][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3618.034268][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3618.034268][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3618.034268][ T74] addrconf_dad_begin+0x310/0x670 [ 3618.034268][ T74] addrconf_dad_work+0x10b/0xab0 [ 3618.034268][ T74] process_one_work+0x84d/0x18a0 [ 3618.034268][ T74] worker_thread+0x587/0xd30 [ 3618.034268][ T74] kthread+0x28a/0x350 [ 3618.034268][ T74] ret_from_fork+0x31/0x70 [ 3618.034268][ T74] ret_from_fork_asm+0x1a/0x30 [ 3618.034268][ T74] [ 3618.036186][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3618.036186][ T74] netdev_get_by_index+0x5e/0x80 [ 3618.036186][ T74] fib6_nh_init+0x3d8/0x1580 [ 3618.036186][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3618.036186][ T74] ip6_route_add+0x1c/0x140 [ 3618.036186][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3618.036186][ T74] inet6_addr_add+0x4f8/0xa40 [ 3618.036186][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3618.036186][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3618.036186][ T74] netlink_rcv_skb+0x130/0x360 [ 3618.036186][ T74] netlink_unicast+0x449/0x710 [ 3618.036186][ T74] netlink_sendmsg+0x723/0xbe0 [ 3618.036186][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3618.036186][ T74] ___sys_sendmsg+0xee/0x170 [ 3618.036186][ T74] __sys_sendmsg+0xcd/0x170 [ 3618.036186][ T74] do_syscall_64+0xc6/0x1e0 [ 3618.036186][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3618.036186][ T74] [ 3618.038187][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3618.038187][ T74] netdev_get_by_index+0x5e/0x80 [ 3618.038187][ T74] fib6_nh_init+0x3d8/0x1580 [ 3618.038187][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3618.038187][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3618.038187][ T74] ipv6_add_addr+0x411/0x2000 [ 3618.038187][ T74] inet6_addr_add+0x30e/0xa40 [ 3618.038187][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3618.038187][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3618.038187][ T74] netlink_rcv_skb+0x130/0x360 [ 3618.038187][ T74] netlink_unicast+0x449/0x710 [ 3618.038187][ T74] netlink_sendmsg+0x723/0xbe0 [ 3618.038187][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3618.038187][ T74] ___sys_sendmsg+0xee/0x170 [ 3618.038187][ T74] __sys_sendmsg+0xcd/0x170 [ 3618.038187][ T74] do_syscall_64+0xc6/0x1e0 [ 3618.038187][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3618.038187][ T74] [ 3618.040195][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3618.040195][ T74] netdev_get_by_index+0x5e/0x80 [ 3618.040195][ T74] fib6_nh_init+0x3d8/0x1580 [ 3618.040195][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3618.040195][ T74] ip6_route_add+0x1c/0x140 [ 3618.040195][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3618.040195][ T74] addrconf_add_dev+0xe2/0x170 [ 3618.040195][ T74] inet6_addr_add+0x12f/0xa40 [ 3618.040195][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3618.040195][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3618.040195][ T74] netlink_rcv_skb+0x130/0x360 [ 3618.040195][ T74] netlink_unicast+0x449/0x710 [ 3618.040195][ T74] netlink_sendmsg+0x723/0xbe0 [ 3618.040195][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3618.040195][ T74] ___sys_sendmsg+0xee/0x170 [ 3618.040195][ T74] __sys_sendmsg+0xcd/0x170 [ 3618.040195][ T74] do_syscall_64+0xc6/0x1e0 [ 3618.040195][ T74] [ 3618.042174][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3618.042174][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3618.042174][ T74] ipv6_find_idev+0x102/0x170 [ 3618.042174][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3618.042174][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3618.042174][ T74] netlink_rcv_skb+0x130/0x360 [ 3618.042174][ T74] netlink_unicast+0x449/0x710 [ 3618.042174][ T74] netlink_sendmsg+0x723/0xbe0 [ 3618.042174][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3618.042174][ T74] ___sys_sendmsg+0xee/0x170 [ 3618.042174][ T74] __sys_sendmsg+0xcd/0x170 [ 3618.042174][ T74] do_syscall_64+0xc6/0x1e0 [ 3618.042174][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3618.042174][ T74] [ 3618.043722][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3618.043722][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3618.043722][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3618.043722][ T74] ipv6_find_idev+0x102/0x170 [ 3618.043722][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3618.043722][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3618.043722][ T74] netlink_rcv_skb+0x130/0x360 [ 3618.043722][ T74] netlink_unicast+0x449/0x710 [ 3618.043722][ T74] netlink_sendmsg+0x723/0xbe0 [ 3618.043722][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3618.043722][ T74] ___sys_sendmsg+0xee/0x170 [ 3618.043722][ T74] __sys_sendmsg+0xcd/0x170 [ 3618.043722][ T74] do_syscall_64+0xc6/0x1e0 [ 3618.043722][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3618.043722][ T74] [ 3618.045404][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3618.045677][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3618.045677][ T74] dst_init+0x84/0x4a0 [ 3618.045677][ T74] dst_alloc+0x97/0x150 [ 3618.045677][ T74] ip6_dst_alloc+0x23/0x90 [ 3618.045677][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3618.045677][ T74] ip6_pol_route+0x56f/0x840 [ 3618.045677][ T74] fib6_rule_lookup+0x456/0x630 [ 3618.045677][ T74] ip6_route_input+0x59c/0xa50 [ 3618.045677][ T74] ipv6_rcv+0x397/0x810 [ 3618.045677][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3618.045677][ T74] process_backlog+0x101/0x620 [ 3618.045677][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3618.045677][ T74] net_rx_action+0x495/0xbe0 [ 3618.045677][ T74] __do_softirq+0x1b5/0x7f6 [ 3618.045677][ T74] [ 3618.047314][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3618.047314][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3618.047314][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3618.047314][ T74] fib6_nh_init+0xa22/0x1580 [ 3618.047314][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3618.047314][ T74] ip6_route_add+0x1c/0x140 [ 3618.047314][ T74] inet6_rtm_newroute+0x104/0x110 [ 3618.047314][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3618.047314][ T74] netlink_rcv_skb+0x130/0x360 [ 3618.047314][ T74] netlink_unicast+0x449/0x710 [ 3618.047314][ T74] netlink_sendmsg+0x723/0xbe0 [ 3618.047314][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3618.047314][ T74] ___sys_sendmsg+0xee/0x170 [ 3618.047314][ T74] __sys_sendmsg+0xcd/0x170 [ 3618.047314][ T74] do_syscall_64+0xc6/0x1e0 [ 3618.047314][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3618.047314][ T74] [ 3618.049182][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3618.049182][ T74] netdev_get_by_index+0x5e/0x80 [ 3618.049182][ T74] fib6_nh_init+0x3d8/0x1580 [ 3618.049182][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3618.049182][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3618.049182][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3618.049182][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3618.049182][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3618.049182][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3618.049182][ T74] addrconf_dad_begin+0x310/0x670 [ 3618.049182][ T74] addrconf_dad_work+0x10b/0xab0 [ 3618.049182][ T74] process_one_work+0x84d/0x18a0 [ 3618.049182][ T74] worker_thread+0x587/0xd30 [ 3618.049182][ T74] kthread+0x28a/0x350 [ 3618.049182][ T74] ret_from_fork+0x31/0x70 [ 3618.049182][ T74] ret_from_fork_asm+0x1a/0x30 [ 3618.049182][ T74] [ 3618.051083][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3618.051083][ T74] netdev_get_by_index+0x5e/0x80 [ 3618.051083][ T74] fib6_nh_init+0x3d8/0x1580 [ 3618.051083][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3618.051083][ T74] ip6_route_add+0x1c/0x140 [ 3618.051083][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3618.051083][ T74] inet6_addr_add+0x4f8/0xa40 [ 3618.051083][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3618.051083][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3618.051083][ T74] netlink_rcv_skb+0x130/0x360 [ 3618.051083][ T74] netlink_unicast+0x449/0x710 [ 3618.051083][ T74] netlink_sendmsg+0x723/0xbe0 [ 3618.051083][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3618.051083][ T74] ___sys_sendmsg+0xee/0x170 [ 3618.051083][ T74] __sys_sendmsg+0xcd/0x170 [ 3618.051083][ T74] do_syscall_64+0xc6/0x1e0 [ 3618.051083][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3618.051083][ T74] [ 3618.053085][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3618.053085][ T74] netdev_get_by_index+0x5e/0x80 [ 3618.053085][ T74] fib6_nh_init+0x3d8/0x1580 [ 3618.053085][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3618.053085][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3618.053085][ T74] ipv6_add_addr+0x411/0x2000 [ 3618.053085][ T74] inet6_addr_add+0x30e/0xa40 [ 3618.053085][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3618.053085][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3618.053085][ T74] netlink_rcv_skb+0x130/0x360 [ 3618.053085][ T74] netlink_unicast+0x449/0x710 [ 3618.053085][ T74] netlink_sendmsg+0x723/0xbe0 [ 3618.053085][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3618.053085][ T74] ___sys_sendmsg+0xee/0x170 [ 3618.053085][ T74] __sys_sendmsg+0xcd/0x170 [ 3618.053085][ T74] do_syscall_64+0xc6/0x1e0 [ 3618.053085][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3618.053085][ T74] [ 3618.055081][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3618.055081][ T74] netdev_get_by_index+0x5e/0x80 [ 3618.055081][ T74] fib6_nh_init+0x3d8/0x1580 [ 3618.055081][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3618.055081][ T74] ip6_route_add+0x1c/0x140 [ 3618.055081][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3618.055081][ T74] addrconf_add_dev+0xe2/0x170 [ 3618.055081][ T74] inet6_addr_add+0x12f/0xa40 [ 3618.055081][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3618.055081][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3618.055081][ T74] netlink_rcv_skb+0x130/0x360 [ 3618.055081][ T74] netlink_unicast+0x449/0x710 [ 3618.055081][ T74] netlink_sendmsg+0x723/0xbe0 [ 3618.055081][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3618.055081][ T74] ___sys_sendmsg+0xee/0x170 [ 3618.055081][ T74] __sys_sendmsg+0xcd/0x170 [ 3618.055081][ T74] do_syscall_64+0xc6/0x1e0 [ 3618.055081][ T74] [ 3618.057038][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3618.057038][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3618.057038][ T74] ipv6_find_idev+0x102/0x170 [ 3618.057038][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3618.057038][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3618.057038][ T74] netlink_rcv_skb+0x130/0x360 [ 3618.057038][ T74] netlink_unicast+0x449/0x710 [ 3618.057038][ T74] netlink_sendmsg+0x723/0xbe0 [ 3618.057038][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3618.057038][ T74] ___sys_sendmsg+0xee/0x170 [ 3618.057038][ T74] __sys_sendmsg+0xcd/0x170 [ 3618.057038][ T74] do_syscall_64+0xc6/0x1e0 [ 3618.057038][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3618.057038][ T74] [ 3618.058694][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3618.058694][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3618.058694][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3618.058694][ T74] ipv6_find_idev+0x102/0x170 [ 3618.058694][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3618.058694][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3618.058694][ T74] netlink_rcv_skb+0x130/0x360 [ 3618.058694][ T74] netlink_unicast+0x449/0x710 [ 3618.058694][ T74] netlink_sendmsg+0x723/0xbe0 [ 3618.058694][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3618.058694][ T74] ___sys_sendmsg+0xee/0x170 [ 3618.058694][ T74] __sys_sendmsg+0xcd/0x170 [ 3618.058694][ T74] do_syscall_64+0xc6/0x1e0 [ 3618.058694][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3618.058694][ T74] [ 3618.060680][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3618.060926][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3618.060926][ T74] netdev_get_by_index+0x5e/0x80 [ 3618.060926][ T74] fib6_nh_init+0x3d8/0x1580 [ 3618.060926][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3618.060926][ T74] ip6_route_add+0x1c/0x140 [ 3618.060926][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3618.060926][ T74] inet6_addr_add+0x4f8/0xa40 [ 3618.060926][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3618.060926][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3618.060926][ T74] netlink_rcv_skb+0x130/0x360 [ 3618.060926][ T74] netlink_unicast+0x449/0x710 [ 3618.060926][ T74] netlink_sendmsg+0x723/0xbe0 [ 3618.060926][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3618.060926][ T74] ___sys_sendmsg+0xee/0x170 [ 3618.060926][ T74] __sys_sendmsg+0xcd/0x170 [ 3618.060926][ T74] do_syscall_64+0xc6/0x1e0 [ 3618.060926][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3618.060926][ T74] [ 3618.063217][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3618.063217][ T74] netdev_get_by_index+0x5e/0x80 [ 3618.063217][ T74] fib6_nh_init+0x3d8/0x1580 [ 3618.063217][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3618.063217][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3618.063217][ T74] ipv6_add_addr+0x411/0x2000 [ 3618.063217][ T74] inet6_addr_add+0x30e/0xa40 [ 3618.063217][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3618.063217][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3618.063217][ T74] netlink_rcv_skb+0x130/0x360 [ 3618.063217][ T74] netlink_unicast+0x449/0x710 [ 3618.063217][ T74] netlink_sendmsg+0x723/0xbe0 [ 3618.063217][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3618.063217][ T74] ___sys_sendmsg+0xee/0x170 [ 3618.063217][ T74] __sys_sendmsg+0xcd/0x170 [ 3618.063217][ T74] do_syscall_64+0xc6/0x1e0 [ 3618.063217][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3618.063217][ T74] [ 3618.065448][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3618.065448][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3618.065448][ T74] ipv6_find_idev+0x102/0x170 [ 3618.065448][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3618.065448][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3618.065448][ T74] netlink_rcv_skb+0x130/0x360 [ 3618.065448][ T74] netlink_unicast+0x449/0x710 [ 3618.065448][ T74] netlink_sendmsg+0x723/0xbe0 [ 3618.065448][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3618.065448][ T74] ___sys_sendmsg+0xee/0x170 [ 3618.065448][ T74] __sys_sendmsg+0xcd/0x170 [ 3618.065448][ T74] do_syscall_64+0xc6/0x1e0 [ 3618.065448][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3618.065448][ T74] [ 3618.067103][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3618.067103][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3618.067103][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3618.067103][ T74] ipv6_find_idev+0x102/0x170 [ 3618.067103][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3618.067103][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3618.067103][ T74] netlink_rcv_skb+0x130/0x360 [ 3618.067103][ T74] netlink_unicast+0x449/0x710 [ 3618.067103][ T74] netlink_sendmsg+0x723/0xbe0 [ 3618.067103][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3618.067103][ T74] ___sys_sendmsg+0xee/0x170 [ 3618.067103][ T74] __sys_sendmsg+0xcd/0x170 [ 3618.067103][ T74] do_syscall_64+0xc6/0x1e0 [ 3618.067103][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3618.067103][ T74] [ 3628.311936][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3628.312299][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3628.312299][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3628.312299][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3628.312299][ T74] fib6_nh_init+0xa22/0x1580 [ 3628.312299][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3628.312299][ T74] ip6_route_add+0x1c/0x140 [ 3628.312299][ T74] inet6_rtm_newroute+0x104/0x110 [ 3628.312299][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3628.312299][ T74] netlink_rcv_skb+0x130/0x360 [ 3628.312299][ T74] netlink_unicast+0x449/0x710 [ 3628.312299][ T74] netlink_sendmsg+0x723/0xbe0 [ 3628.312299][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3628.312299][ T74] ___sys_sendmsg+0xee/0x170 [ 3628.312299][ T74] __sys_sendmsg+0xcd/0x170 [ 3628.312299][ T74] do_syscall_64+0xc6/0x1e0 [ 3628.312299][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3628.312299][ T74] [ 3628.314211][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3628.314211][ T74] netdev_get_by_index+0x5e/0x80 [ 3628.314211][ T74] fib6_nh_init+0x3d8/0x1580 [ 3628.314211][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3628.314211][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3628.314211][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3628.314211][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3628.314211][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3628.314211][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3628.314211][ T74] addrconf_dad_begin+0x310/0x670 [ 3628.314211][ T74] addrconf_dad_work+0x10b/0xab0 [ 3628.314211][ T74] process_one_work+0x84d/0x18a0 [ 3628.314211][ T74] worker_thread+0x587/0xd30 [ 3628.314211][ T74] kthread+0x28a/0x350 [ 3628.314211][ T74] ret_from_fork+0x31/0x70 [ 3628.314211][ T74] ret_from_fork_asm+0x1a/0x30 [ 3628.314211][ T74] [ 3628.316122][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3628.316122][ T74] netdev_get_by_index+0x5e/0x80 [ 3628.316122][ T74] fib6_nh_init+0x3d8/0x1580 [ 3628.316122][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3628.316122][ T74] ip6_route_add+0x1c/0x140 [ 3628.316122][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3628.316122][ T74] inet6_addr_add+0x4f8/0xa40 [ 3628.316122][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3628.316122][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3628.316122][ T74] netlink_rcv_skb+0x130/0x360 [ 3628.316122][ T74] netlink_unicast+0x449/0x710 [ 3628.316122][ T74] netlink_sendmsg+0x723/0xbe0 [ 3628.316122][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3628.316122][ T74] ___sys_sendmsg+0xee/0x170 [ 3628.316122][ T74] __sys_sendmsg+0xcd/0x170 [ 3628.316122][ T74] do_syscall_64+0xc6/0x1e0 [ 3628.316122][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3628.316122][ T74] [ 3628.318109][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3628.318109][ T74] netdev_get_by_index+0x5e/0x80 [ 3628.318109][ T74] fib6_nh_init+0x3d8/0x1580 [ 3628.318109][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3628.318109][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3628.318109][ T74] ipv6_add_addr+0x411/0x2000 [ 3628.318109][ T74] inet6_addr_add+0x30e/0xa40 [ 3628.318109][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3628.318109][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3628.318109][ T74] netlink_rcv_skb+0x130/0x360 [ 3628.318109][ T74] netlink_unicast+0x449/0x710 [ 3628.318109][ T74] netlink_sendmsg+0x723/0xbe0 [ 3628.318109][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3628.318109][ T74] ___sys_sendmsg+0xee/0x170 [ 3628.318109][ T74] __sys_sendmsg+0xcd/0x170 [ 3628.318109][ T74] do_syscall_64+0xc6/0x1e0 [ 3628.318109][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3628.318109][ T74] [ 3628.320098][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3628.320098][ T74] netdev_get_by_index+0x5e/0x80 [ 3628.320098][ T74] fib6_nh_init+0x3d8/0x1580 [ 3628.320098][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3628.320098][ T74] ip6_route_add+0x1c/0x140 [ 3628.320098][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3628.320098][ T74] addrconf_add_dev+0xe2/0x170 [ 3628.320098][ T74] inet6_addr_add+0x12f/0xa40 [ 3628.320098][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3628.320098][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3628.320098][ T74] netlink_rcv_skb+0x130/0x360 [ 3628.320098][ T74] netlink_unicast+0x449/0x710 [ 3628.320098][ T74] netlink_sendmsg+0x723/0xbe0 [ 3628.320098][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3628.320098][ T74] ___sys_sendmsg+0xee/0x170 [ 3628.320098][ T74] __sys_sendmsg+0xcd/0x170 [ 3628.320098][ T74] do_syscall_64+0xc6/0x1e0 [ 3628.320098][ T74] [ 3628.322083][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3628.322083][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3628.322083][ T74] ipv6_find_idev+0x102/0x170 [ 3628.322083][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3628.322083][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3628.322083][ T74] netlink_rcv_skb+0x130/0x360 [ 3628.322083][ T74] netlink_unicast+0x449/0x710 [ 3628.322083][ T74] netlink_sendmsg+0x723/0xbe0 [ 3628.322083][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3628.322083][ T74] ___sys_sendmsg+0xee/0x170 [ 3628.322083][ T74] __sys_sendmsg+0xcd/0x170 [ 3628.322083][ T74] do_syscall_64+0xc6/0x1e0 [ 3628.322083][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3628.322083][ T74] [ 3628.323622][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3628.323622][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3628.323622][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3628.323622][ T74] ipv6_find_idev+0x102/0x170 [ 3628.323622][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3628.323622][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3628.323622][ T74] netlink_rcv_skb+0x130/0x360 [ 3628.323622][ T74] netlink_unicast+0x449/0x710 [ 3628.323622][ T74] netlink_sendmsg+0x723/0xbe0 [ 3628.323622][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3628.323622][ T74] ___sys_sendmsg+0xee/0x170 [ 3628.323622][ T74] __sys_sendmsg+0xcd/0x170 [ 3628.323622][ T74] do_syscall_64+0xc6/0x1e0 [ 3628.323622][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3628.323622][ T74] [ 3628.325322][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3628.325614][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3628.325614][ T74] dst_init+0x84/0x4a0 [ 3628.325614][ T74] dst_alloc+0x97/0x150 [ 3628.325614][ T74] ip6_dst_alloc+0x23/0x90 [ 3628.325614][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3628.325614][ T74] ip6_pol_route+0x56f/0x840 [ 3628.325614][ T74] fib6_rule_lookup+0x456/0x630 [ 3628.325614][ T74] ip6_route_input+0x59c/0xa50 [ 3628.325614][ T74] ipv6_rcv+0x397/0x810 [ 3628.325614][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3628.325614][ T74] process_backlog+0x101/0x620 [ 3628.325614][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3628.325614][ T74] net_rx_action+0x495/0xbe0 [ 3628.325614][ T74] __do_softirq+0x1b5/0x7f6 [ 3628.325614][ T74] [ 3628.327253][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3628.327253][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3628.327253][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3628.327253][ T74] fib6_nh_init+0xa22/0x1580 [ 3628.327253][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3628.327253][ T74] ip6_route_add+0x1c/0x140 [ 3628.327253][ T74] inet6_rtm_newroute+0x104/0x110 [ 3628.327253][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3628.327253][ T74] netlink_rcv_skb+0x130/0x360 [ 3628.327253][ T74] netlink_unicast+0x449/0x710 [ 3628.327253][ T74] netlink_sendmsg+0x723/0xbe0 [ 3628.327253][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3628.327253][ T74] ___sys_sendmsg+0xee/0x170 [ 3628.327253][ T74] __sys_sendmsg+0xcd/0x170 [ 3628.327253][ T74] do_syscall_64+0xc6/0x1e0 [ 3628.327253][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3628.327253][ T74] [ 3628.329136][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3628.329136][ T74] netdev_get_by_index+0x5e/0x80 [ 3628.329136][ T74] fib6_nh_init+0x3d8/0x1580 [ 3628.329136][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3628.329136][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3628.329136][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3628.329136][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3628.329136][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3628.329136][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3628.329136][ T74] addrconf_dad_begin+0x310/0x670 [ 3628.329136][ T74] addrconf_dad_work+0x10b/0xab0 [ 3628.329136][ T74] process_one_work+0x84d/0x18a0 [ 3628.329136][ T74] worker_thread+0x587/0xd30 [ 3628.329136][ T74] kthread+0x28a/0x350 [ 3628.329136][ T74] ret_from_fork+0x31/0x70 [ 3628.329136][ T74] ret_from_fork_asm+0x1a/0x30 [ 3628.329136][ T74] [ 3628.331057][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3628.331057][ T74] netdev_get_by_index+0x5e/0x80 [ 3628.331057][ T74] fib6_nh_init+0x3d8/0x1580 [ 3628.331057][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3628.331057][ T74] ip6_route_add+0x1c/0x140 [ 3628.331057][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3628.331057][ T74] inet6_addr_add+0x4f8/0xa40 [ 3628.331057][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3628.331057][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3628.331057][ T74] netlink_rcv_skb+0x130/0x360 [ 3628.331057][ T74] netlink_unicast+0x449/0x710 [ 3628.331057][ T74] netlink_sendmsg+0x723/0xbe0 [ 3628.331057][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3628.331057][ T74] ___sys_sendmsg+0xee/0x170 [ 3628.331057][ T74] __sys_sendmsg+0xcd/0x170 [ 3628.331057][ T74] do_syscall_64+0xc6/0x1e0 [ 3628.331057][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3628.331057][ T74] [ 3628.333067][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3628.333067][ T74] netdev_get_by_index+0x5e/0x80 [ 3628.333067][ T74] fib6_nh_init+0x3d8/0x1580 [ 3628.333067][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3628.333067][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3628.333067][ T74] ipv6_add_addr+0x411/0x2000 [ 3628.333067][ T74] inet6_addr_add+0x30e/0xa40 [ 3628.333067][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3628.333067][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3628.333067][ T74] netlink_rcv_skb+0x130/0x360 [ 3628.333067][ T74] netlink_unicast+0x449/0x710 [ 3628.333067][ T74] netlink_sendmsg+0x723/0xbe0 [ 3628.333067][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3628.333067][ T74] ___sys_sendmsg+0xee/0x170 [ 3628.333067][ T74] __sys_sendmsg+0xcd/0x170 [ 3628.333067][ T74] do_syscall_64+0xc6/0x1e0 [ 3628.333067][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3628.333067][ T74] [ 3628.335071][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3628.335071][ T74] netdev_get_by_index+0x5e/0x80 [ 3628.335071][ T74] fib6_nh_init+0x3d8/0x1580 [ 3628.335071][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3628.335071][ T74] ip6_route_add+0x1c/0x140 [ 3628.335071][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3628.335071][ T74] addrconf_add_dev+0xe2/0x170 [ 3628.335071][ T74] inet6_addr_add+0x12f/0xa40 [ 3628.335071][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3628.335071][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3628.335071][ T74] netlink_rcv_skb+0x130/0x360 [ 3628.335071][ T74] netlink_unicast+0x449/0x710 [ 3628.335071][ T74] netlink_sendmsg+0x723/0xbe0 [ 3628.335071][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3628.335071][ T74] ___sys_sendmsg+0xee/0x170 [ 3628.335071][ T74] __sys_sendmsg+0xcd/0x170 [ 3628.335071][ T74] do_syscall_64+0xc6/0x1e0 [ 3628.335071][ T74] [ 3628.337047][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3628.337047][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3628.337047][ T74] ipv6_find_idev+0x102/0x170 [ 3628.337047][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3628.337047][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3628.337047][ T74] netlink_rcv_skb+0x130/0x360 [ 3628.337047][ T74] netlink_unicast+0x449/0x710 [ 3628.337047][ T74] netlink_sendmsg+0x723/0xbe0 [ 3628.337047][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3628.337047][ T74] ___sys_sendmsg+0xee/0x170 [ 3628.337047][ T74] __sys_sendmsg+0xcd/0x170 [ 3628.337047][ T74] do_syscall_64+0xc6/0x1e0 [ 3628.337047][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3628.337047][ T74] [ 3628.338710][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3628.338710][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3628.338710][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3628.338710][ T74] ipv6_find_idev+0x102/0x170 [ 3628.338710][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3628.338710][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3628.338710][ T74] netlink_rcv_skb+0x130/0x360 [ 3628.338710][ T74] netlink_unicast+0x449/0x710 [ 3628.338710][ T74] netlink_sendmsg+0x723/0xbe0 [ 3628.338710][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3628.338710][ T74] ___sys_sendmsg+0xee/0x170 [ 3628.338710][ T74] __sys_sendmsg+0xcd/0x170 [ 3628.338710][ T74] do_syscall_64+0xc6/0x1e0 [ 3628.338710][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3628.338710][ T74] [ 3628.340695][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3628.340941][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3628.340941][ T74] netdev_get_by_index+0x5e/0x80 [ 3628.340941][ T74] fib6_nh_init+0x3d8/0x1580 [ 3628.340941][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3628.340941][ T74] ip6_route_add+0x1c/0x140 [ 3628.340941][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3628.340941][ T74] inet6_addr_add+0x4f8/0xa40 [ 3628.340941][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3628.340941][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3628.340941][ T74] netlink_rcv_skb+0x130/0x360 [ 3628.340941][ T74] netlink_unicast+0x449/0x710 [ 3628.340941][ T74] netlink_sendmsg+0x723/0xbe0 [ 3628.340941][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3628.340941][ T74] ___sys_sendmsg+0xee/0x170 [ 3628.340941][ T74] __sys_sendmsg+0xcd/0x170 [ 3628.340941][ T74] do_syscall_64+0xc6/0x1e0 [ 3628.340941][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3628.340941][ T74] [ 3628.343200][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3628.343200][ T74] netdev_get_by_index+0x5e/0x80 [ 3628.343200][ T74] fib6_nh_init+0x3d8/0x1580 [ 3628.343200][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3628.343200][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3628.343200][ T74] ipv6_add_addr+0x411/0x2000 [ 3628.343200][ T74] inet6_addr_add+0x30e/0xa40 [ 3628.343200][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3628.343200][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3628.343200][ T74] netlink_rcv_skb+0x130/0x360 [ 3628.343200][ T74] netlink_unicast+0x449/0x710 [ 3628.343200][ T74] netlink_sendmsg+0x723/0xbe0 [ 3628.343200][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3628.343200][ T74] ___sys_sendmsg+0xee/0x170 [ 3628.343200][ T74] __sys_sendmsg+0xcd/0x170 [ 3628.343200][ T74] do_syscall_64+0xc6/0x1e0 [ 3628.343200][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3628.343200][ T74] [ 3628.345432][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3628.345432][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3628.345432][ T74] ipv6_find_idev+0x102/0x170 [ 3628.345432][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3628.345432][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3628.345432][ T74] netlink_rcv_skb+0x130/0x360 [ 3628.345432][ T74] netlink_unicast+0x449/0x710 [ 3628.345432][ T74] netlink_sendmsg+0x723/0xbe0 [ 3628.345432][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3628.345432][ T74] ___sys_sendmsg+0xee/0x170 [ 3628.345432][ T74] __sys_sendmsg+0xcd/0x170 [ 3628.345432][ T74] do_syscall_64+0xc6/0x1e0 [ 3628.345432][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3628.345432][ T74] [ 3628.347091][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3628.347091][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3628.347091][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3628.347091][ T74] ipv6_find_idev+0x102/0x170 [ 3628.347091][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3628.347091][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3628.347091][ T74] netlink_rcv_skb+0x130/0x360 [ 3628.347091][ T74] netlink_unicast+0x449/0x710 [ 3628.347091][ T74] netlink_sendmsg+0x723/0xbe0 [ 3628.347091][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3628.347091][ T74] ___sys_sendmsg+0xee/0x170 [ 3628.347091][ T74] __sys_sendmsg+0xcd/0x170 [ 3628.347091][ T74] do_syscall_64+0xc6/0x1e0 [ 3628.347091][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3628.347091][ T74] [ 3638.471901][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3638.472275][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3638.472275][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3638.472275][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3638.472275][ T74] fib6_nh_init+0xa22/0x1580 [ 3638.472275][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3638.472275][ T74] ip6_route_add+0x1c/0x140 [ 3638.472275][ T74] inet6_rtm_newroute+0x104/0x110 [ 3638.472275][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3638.472275][ T74] netlink_rcv_skb+0x130/0x360 [ 3638.472275][ T74] netlink_unicast+0x449/0x710 [ 3638.472275][ T74] netlink_sendmsg+0x723/0xbe0 [ 3638.472275][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3638.472275][ T74] ___sys_sendmsg+0xee/0x170 [ 3638.472275][ T74] __sys_sendmsg+0xcd/0x170 [ 3638.472275][ T74] do_syscall_64+0xc6/0x1e0 [ 3638.472275][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3638.472275][ T74] [ 3638.474193][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3638.474193][ T74] netdev_get_by_index+0x5e/0x80 [ 3638.474193][ T74] fib6_nh_init+0x3d8/0x1580 [ 3638.474193][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3638.474193][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3638.474193][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3638.474193][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3638.474193][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3638.474193][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3638.474193][ T74] addrconf_dad_begin+0x310/0x670 [ 3638.474193][ T74] addrconf_dad_work+0x10b/0xab0 [ 3638.474193][ T74] process_one_work+0x84d/0x18a0 [ 3638.474193][ T74] worker_thread+0x587/0xd30 [ 3638.474193][ T74] kthread+0x28a/0x350 [ 3638.474193][ T74] ret_from_fork+0x31/0x70 [ 3638.474193][ T74] ret_from_fork_asm+0x1a/0x30 [ 3638.474193][ T74] [ 3638.476114][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3638.476114][ T74] netdev_get_by_index+0x5e/0x80 [ 3638.476114][ T74] fib6_nh_init+0x3d8/0x1580 [ 3638.476114][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3638.476114][ T74] ip6_route_add+0x1c/0x140 [ 3638.476114][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3638.476114][ T74] inet6_addr_add+0x4f8/0xa40 [ 3638.476114][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3638.476114][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3638.476114][ T74] netlink_rcv_skb+0x130/0x360 [ 3638.476114][ T74] netlink_unicast+0x449/0x710 [ 3638.476114][ T74] netlink_sendmsg+0x723/0xbe0 [ 3638.476114][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3638.476114][ T74] ___sys_sendmsg+0xee/0x170 [ 3638.476114][ T74] __sys_sendmsg+0xcd/0x170 [ 3638.476114][ T74] do_syscall_64+0xc6/0x1e0 [ 3638.476114][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3638.476114][ T74] [ 3638.478131][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3638.478131][ T74] netdev_get_by_index+0x5e/0x80 [ 3638.478131][ T74] fib6_nh_init+0x3d8/0x1580 [ 3638.478131][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3638.478131][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3638.478131][ T74] ipv6_add_addr+0x411/0x2000 [ 3638.478131][ T74] inet6_addr_add+0x30e/0xa40 [ 3638.478131][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3638.478131][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3638.478131][ T74] netlink_rcv_skb+0x130/0x360 [ 3638.478131][ T74] netlink_unicast+0x449/0x710 [ 3638.478131][ T74] netlink_sendmsg+0x723/0xbe0 [ 3638.478131][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3638.478131][ T74] ___sys_sendmsg+0xee/0x170 [ 3638.478131][ T74] __sys_sendmsg+0xcd/0x170 [ 3638.478131][ T74] do_syscall_64+0xc6/0x1e0 [ 3638.478131][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3638.478131][ T74] [ 3638.480147][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3638.480147][ T74] netdev_get_by_index+0x5e/0x80 [ 3638.480147][ T74] fib6_nh_init+0x3d8/0x1580 [ 3638.480147][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3638.480147][ T74] ip6_route_add+0x1c/0x140 [ 3638.480147][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3638.480147][ T74] addrconf_add_dev+0xe2/0x170 [ 3638.480147][ T74] inet6_addr_add+0x12f/0xa40 [ 3638.480147][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3638.480147][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3638.480147][ T74] netlink_rcv_skb+0x130/0x360 [ 3638.480147][ T74] netlink_unicast+0x449/0x710 [ 3638.480147][ T74] netlink_sendmsg+0x723/0xbe0 [ 3638.480147][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3638.480147][ T74] ___sys_sendmsg+0xee/0x170 [ 3638.480147][ T74] __sys_sendmsg+0xcd/0x170 [ 3638.480147][ T74] do_syscall_64+0xc6/0x1e0 [ 3638.480147][ T74] [ 3638.482234][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3638.482234][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3638.482234][ T74] ipv6_find_idev+0x102/0x170 [ 3638.482234][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3638.482234][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3638.482234][ T74] netlink_rcv_skb+0x130/0x360 [ 3638.482234][ T74] netlink_unicast+0x449/0x710 [ 3638.482234][ T74] netlink_sendmsg+0x723/0xbe0 [ 3638.482234][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3638.482234][ T74] ___sys_sendmsg+0xee/0x170 [ 3638.482234][ T74] __sys_sendmsg+0xcd/0x170 [ 3638.482234][ T74] do_syscall_64+0xc6/0x1e0 [ 3638.482234][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3638.482234][ T74] [ 3638.483776][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3638.483776][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3638.483776][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3638.483776][ T74] ipv6_find_idev+0x102/0x170 [ 3638.483776][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3638.483776][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3638.483776][ T74] netlink_rcv_skb+0x130/0x360 [ 3638.483776][ T74] netlink_unicast+0x449/0x710 [ 3638.483776][ T74] netlink_sendmsg+0x723/0xbe0 [ 3638.483776][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3638.483776][ T74] ___sys_sendmsg+0xee/0x170 [ 3638.483776][ T74] __sys_sendmsg+0xcd/0x170 [ 3638.483776][ T74] do_syscall_64+0xc6/0x1e0 [ 3638.483776][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3638.483776][ T74] [ 3638.485471][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3638.485741][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3638.485741][ T74] dst_init+0x84/0x4a0 [ 3638.485741][ T74] dst_alloc+0x97/0x150 [ 3638.485741][ T74] ip6_dst_alloc+0x23/0x90 [ 3638.485741][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3638.485741][ T74] ip6_pol_route+0x56f/0x840 [ 3638.485741][ T74] fib6_rule_lookup+0x456/0x630 [ 3638.485741][ T74] ip6_route_input+0x59c/0xa50 [ 3638.485741][ T74] ipv6_rcv+0x397/0x810 [ 3638.485741][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3638.485741][ T74] process_backlog+0x101/0x620 [ 3638.485741][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3638.485741][ T74] net_rx_action+0x495/0xbe0 [ 3638.485741][ T74] __do_softirq+0x1b5/0x7f6 [ 3638.485741][ T74] [ 3638.487378][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3638.487378][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3638.487378][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3638.487378][ T74] fib6_nh_init+0xa22/0x1580 [ 3638.487378][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3638.487378][ T74] ip6_route_add+0x1c/0x140 [ 3638.487378][ T74] inet6_rtm_newroute+0x104/0x110 [ 3638.487378][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3638.487378][ T74] netlink_rcv_skb+0x130/0x360 [ 3638.487378][ T74] netlink_unicast+0x449/0x710 [ 3638.487378][ T74] netlink_sendmsg+0x723/0xbe0 [ 3638.487378][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3638.487378][ T74] ___sys_sendmsg+0xee/0x170 [ 3638.487378][ T74] __sys_sendmsg+0xcd/0x170 [ 3638.487378][ T74] do_syscall_64+0xc6/0x1e0 [ 3638.487378][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3638.487378][ T74] [ 3638.489254][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3638.489254][ T74] netdev_get_by_index+0x5e/0x80 [ 3638.489254][ T74] fib6_nh_init+0x3d8/0x1580 [ 3638.489254][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3638.489254][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3638.489254][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3638.489254][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3638.489254][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3638.489254][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3638.489254][ T74] addrconf_dad_begin+0x310/0x670 [ 3638.489254][ T74] addrconf_dad_work+0x10b/0xab0 [ 3638.489254][ T74] process_one_work+0x84d/0x18a0 [ 3638.489254][ T74] worker_thread+0x587/0xd30 [ 3638.489254][ T74] kthread+0x28a/0x350 [ 3638.489254][ T74] ret_from_fork+0x31/0x70 [ 3638.489254][ T74] ret_from_fork_asm+0x1a/0x30 [ 3638.489254][ T74] [ 3638.491152][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3638.491152][ T74] netdev_get_by_index+0x5e/0x80 [ 3638.491152][ T74] fib6_nh_init+0x3d8/0x1580 [ 3638.491152][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3638.491152][ T74] ip6_route_add+0x1c/0x140 [ 3638.491152][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3638.491152][ T74] inet6_addr_add+0x4f8/0xa40 [ 3638.491152][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3638.491152][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3638.491152][ T74] netlink_rcv_skb+0x130/0x360 [ 3638.491152][ T74] netlink_unicast+0x449/0x710 [ 3638.491152][ T74] netlink_sendmsg+0x723/0xbe0 [ 3638.491152][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3638.491152][ T74] ___sys_sendmsg+0xee/0x170 [ 3638.491152][ T74] __sys_sendmsg+0xcd/0x170 [ 3638.491152][ T74] do_syscall_64+0xc6/0x1e0 [ 3638.491152][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3638.491152][ T74] [ 3638.493159][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3638.493159][ T74] netdev_get_by_index+0x5e/0x80 [ 3638.493159][ T74] fib6_nh_init+0x3d8/0x1580 [ 3638.493159][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3638.493159][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3638.493159][ T74] ipv6_add_addr+0x411/0x2000 [ 3638.493159][ T74] inet6_addr_add+0x30e/0xa40 [ 3638.493159][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3638.493159][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3638.493159][ T74] netlink_rcv_skb+0x130/0x360 [ 3638.493159][ T74] netlink_unicast+0x449/0x710 [ 3638.493159][ T74] netlink_sendmsg+0x723/0xbe0 [ 3638.493159][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3638.493159][ T74] ___sys_sendmsg+0xee/0x170 [ 3638.493159][ T74] __sys_sendmsg+0xcd/0x170 [ 3638.493159][ T74] do_syscall_64+0xc6/0x1e0 [ 3638.493159][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3638.493159][ T74] [ 3638.495159][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3638.495159][ T74] netdev_get_by_index+0x5e/0x80 [ 3638.495159][ T74] fib6_nh_init+0x3d8/0x1580 [ 3638.495159][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3638.495159][ T74] ip6_route_add+0x1c/0x140 [ 3638.495159][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3638.495159][ T74] addrconf_add_dev+0xe2/0x170 [ 3638.495159][ T74] inet6_addr_add+0x12f/0xa40 [ 3638.495159][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3638.495159][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3638.495159][ T74] netlink_rcv_skb+0x130/0x360 [ 3638.495159][ T74] netlink_unicast+0x449/0x710 [ 3638.495159][ T74] netlink_sendmsg+0x723/0xbe0 [ 3638.495159][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3638.495159][ T74] ___sys_sendmsg+0xee/0x170 [ 3638.495159][ T74] __sys_sendmsg+0xcd/0x170 [ 3638.495159][ T74] do_syscall_64+0xc6/0x1e0 [ 3638.495159][ T74] [ 3638.497116][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3638.497116][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3638.497116][ T74] ipv6_find_idev+0x102/0x170 [ 3638.497116][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3638.497116][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3638.497116][ T74] netlink_rcv_skb+0x130/0x360 [ 3638.497116][ T74] netlink_unicast+0x449/0x710 [ 3638.497116][ T74] netlink_sendmsg+0x723/0xbe0 [ 3638.497116][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3638.497116][ T74] ___sys_sendmsg+0xee/0x170 [ 3638.497116][ T74] __sys_sendmsg+0xcd/0x170 [ 3638.497116][ T74] do_syscall_64+0xc6/0x1e0 [ 3638.497116][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3638.497116][ T74] [ 3638.498776][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3638.498776][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3638.498776][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3638.498776][ T74] ipv6_find_idev+0x102/0x170 [ 3638.498776][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3638.498776][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3638.498776][ T74] netlink_rcv_skb+0x130/0x360 [ 3638.498776][ T74] netlink_unicast+0x449/0x710 [ 3638.498776][ T74] netlink_sendmsg+0x723/0xbe0 [ 3638.498776][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3638.498776][ T74] ___sys_sendmsg+0xee/0x170 [ 3638.498776][ T74] __sys_sendmsg+0xcd/0x170 [ 3638.498776][ T74] do_syscall_64+0xc6/0x1e0 [ 3638.498776][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3638.498776][ T74] [ 3638.500754][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3638.501005][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3638.501005][ T74] netdev_get_by_index+0x5e/0x80 [ 3638.501005][ T74] fib6_nh_init+0x3d8/0x1580 [ 3638.501005][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3638.501005][ T74] ip6_route_add+0x1c/0x140 [ 3638.501005][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3638.501005][ T74] inet6_addr_add+0x4f8/0xa40 [ 3638.501005][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3638.501005][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3638.501005][ T74] netlink_rcv_skb+0x130/0x360 [ 3638.501005][ T74] netlink_unicast+0x449/0x710 [ 3638.501005][ T74] netlink_sendmsg+0x723/0xbe0 [ 3638.501005][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3638.501005][ T74] ___sys_sendmsg+0xee/0x170 [ 3638.501005][ T74] __sys_sendmsg+0xcd/0x170 [ 3638.501005][ T74] do_syscall_64+0xc6/0x1e0 [ 3638.501005][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3638.501005][ T74] [ 3638.503249][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3638.503249][ T74] netdev_get_by_index+0x5e/0x80 [ 3638.503249][ T74] fib6_nh_init+0x3d8/0x1580 [ 3638.503249][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3638.503249][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3638.503249][ T74] ipv6_add_addr+0x411/0x2000 [ 3638.503249][ T74] inet6_addr_add+0x30e/0xa40 [ 3638.503249][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3638.503249][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3638.503249][ T74] netlink_rcv_skb+0x130/0x360 [ 3638.503249][ T74] netlink_unicast+0x449/0x710 [ 3638.503249][ T74] netlink_sendmsg+0x723/0xbe0 [ 3638.503249][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3638.503249][ T74] ___sys_sendmsg+0xee/0x170 [ 3638.503249][ T74] __sys_sendmsg+0xcd/0x170 [ 3638.503249][ T74] do_syscall_64+0xc6/0x1e0 [ 3638.503249][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3638.503249][ T74] [ 3638.505486][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3638.505486][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3638.505486][ T74] ipv6_find_idev+0x102/0x170 [ 3638.505486][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3638.505486][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3638.505486][ T74] netlink_rcv_skb+0x130/0x360 [ 3638.505486][ T74] netlink_unicast+0x449/0x710 [ 3638.505486][ T74] netlink_sendmsg+0x723/0xbe0 [ 3638.505486][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3638.505486][ T74] ___sys_sendmsg+0xee/0x170 [ 3638.505486][ T74] __sys_sendmsg+0xcd/0x170 [ 3638.505486][ T74] do_syscall_64+0xc6/0x1e0 [ 3638.505486][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3638.505486][ T74] [ 3638.507145][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3638.507145][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3638.507145][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3638.507145][ T74] ipv6_find_idev+0x102/0x170 [ 3638.507145][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3638.507145][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3638.507145][ T74] netlink_rcv_skb+0x130/0x360 [ 3638.507145][ T74] netlink_unicast+0x449/0x710 [ 3638.507145][ T74] netlink_sendmsg+0x723/0xbe0 [ 3638.507145][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3638.507145][ T74] ___sys_sendmsg+0xee/0x170 [ 3638.507145][ T74] __sys_sendmsg+0xcd/0x170 [ 3638.507145][ T74] do_syscall_64+0xc6/0x1e0 [ 3638.507145][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3638.507145][ T74] [ 3648.752012][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3648.752385][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3648.752385][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3648.752385][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3648.752385][ T74] fib6_nh_init+0xa22/0x1580 [ 3648.752385][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3648.752385][ T74] ip6_route_add+0x1c/0x140 [ 3648.752385][ T74] inet6_rtm_newroute+0x104/0x110 [ 3648.752385][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3648.752385][ T74] netlink_rcv_skb+0x130/0x360 [ 3648.752385][ T74] netlink_unicast+0x449/0x710 [ 3648.752385][ T74] netlink_sendmsg+0x723/0xbe0 [ 3648.752385][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3648.752385][ T74] ___sys_sendmsg+0xee/0x170 [ 3648.752385][ T74] __sys_sendmsg+0xcd/0x170 [ 3648.752385][ T74] do_syscall_64+0xc6/0x1e0 [ 3648.752385][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3648.752385][ T74] [ 3648.754352][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3648.754352][ T74] netdev_get_by_index+0x5e/0x80 [ 3648.754352][ T74] fib6_nh_init+0x3d8/0x1580 [ 3648.754352][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3648.754352][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3648.754352][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3648.754352][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3648.754352][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3648.754352][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3648.754352][ T74] addrconf_dad_begin+0x310/0x670 [ 3648.754352][ T74] addrconf_dad_work+0x10b/0xab0 [ 3648.754352][ T74] process_one_work+0x84d/0x18a0 [ 3648.754352][ T74] worker_thread+0x587/0xd30 [ 3648.754352][ T74] kthread+0x28a/0x350 [ 3648.754352][ T74] ret_from_fork+0x31/0x70 [ 3648.754352][ T74] ret_from_fork_asm+0x1a/0x30 [ 3648.754352][ T74] [ 3648.756327][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3648.756327][ T74] netdev_get_by_index+0x5e/0x80 [ 3648.756327][ T74] fib6_nh_init+0x3d8/0x1580 [ 3648.756327][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3648.756327][ T74] ip6_route_add+0x1c/0x140 [ 3648.756327][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3648.756327][ T74] inet6_addr_add+0x4f8/0xa40 [ 3648.756327][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3648.756327][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3648.756327][ T74] netlink_rcv_skb+0x130/0x360 [ 3648.756327][ T74] netlink_unicast+0x449/0x710 [ 3648.756327][ T74] netlink_sendmsg+0x723/0xbe0 [ 3648.756327][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3648.756327][ T74] ___sys_sendmsg+0xee/0x170 [ 3648.756327][ T74] __sys_sendmsg+0xcd/0x170 [ 3648.756327][ T74] do_syscall_64+0xc6/0x1e0 [ 3648.756327][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3648.756327][ T74] [ 3648.758877][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3648.758877][ T74] netdev_get_by_index+0x5e/0x80 [ 3648.758877][ T74] fib6_nh_init+0x3d8/0x1580 [ 3648.758877][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3648.758877][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3648.758877][ T74] ipv6_add_addr+0x411/0x2000 [ 3648.758877][ T74] inet6_addr_add+0x30e/0xa40 [ 3648.758877][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3648.758877][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3648.758877][ T74] netlink_rcv_skb+0x130/0x360 [ 3648.758877][ T74] netlink_unicast+0x449/0x710 [ 3648.758877][ T74] netlink_sendmsg+0x723/0xbe0 [ 3648.758877][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3648.758877][ T74] ___sys_sendmsg+0xee/0x170 [ 3648.758877][ T74] __sys_sendmsg+0xcd/0x170 [ 3648.758877][ T74] do_syscall_64+0xc6/0x1e0 [ 3648.758877][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3648.758877][ T74] [ 3648.760896][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3648.760896][ T74] netdev_get_by_index+0x5e/0x80 [ 3648.760896][ T74] fib6_nh_init+0x3d8/0x1580 [ 3648.760896][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3648.760896][ T74] ip6_route_add+0x1c/0x140 [ 3648.760896][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3648.760896][ T74] addrconf_add_dev+0xe2/0x170 [ 3648.760896][ T74] inet6_addr_add+0x12f/0xa40 [ 3648.760896][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3648.760896][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3648.760896][ T74] netlink_rcv_skb+0x130/0x360 [ 3648.760896][ T74] netlink_unicast+0x449/0x710 [ 3648.760896][ T74] netlink_sendmsg+0x723/0xbe0 [ 3648.760896][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3648.760896][ T74] ___sys_sendmsg+0xee/0x170 [ 3648.760896][ T74] __sys_sendmsg+0xcd/0x170 [ 3648.760896][ T74] do_syscall_64+0xc6/0x1e0 [ 3648.760896][ T74] [ 3648.762908][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3648.762908][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3648.762908][ T74] ipv6_find_idev+0x102/0x170 [ 3648.762908][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3648.762908][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3648.762908][ T74] netlink_rcv_skb+0x130/0x360 [ 3648.762908][ T74] netlink_unicast+0x449/0x710 [ 3648.762908][ T74] netlink_sendmsg+0x723/0xbe0 [ 3648.762908][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3648.762908][ T74] ___sys_sendmsg+0xee/0x170 [ 3648.762908][ T74] __sys_sendmsg+0xcd/0x170 [ 3648.762908][ T74] do_syscall_64+0xc6/0x1e0 [ 3648.762908][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3648.762908][ T74] [ 3648.764462][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3648.764462][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3648.764462][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3648.764462][ T74] ipv6_find_idev+0x102/0x170 [ 3648.764462][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3648.764462][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3648.764462][ T74] netlink_rcv_skb+0x130/0x360 [ 3648.764462][ T74] netlink_unicast+0x449/0x710 [ 3648.764462][ T74] netlink_sendmsg+0x723/0xbe0 [ 3648.764462][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3648.764462][ T74] ___sys_sendmsg+0xee/0x170 [ 3648.764462][ T74] __sys_sendmsg+0xcd/0x170 [ 3648.764462][ T74] do_syscall_64+0xc6/0x1e0 [ 3648.764462][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3648.764462][ T74] [ 3648.766171][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3648.766439][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3648.766439][ T74] dst_init+0x84/0x4a0 [ 3648.766439][ T74] dst_alloc+0x97/0x150 [ 3648.766439][ T74] ip6_dst_alloc+0x23/0x90 [ 3648.766439][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3648.766439][ T74] ip6_pol_route+0x56f/0x840 [ 3648.766439][ T74] fib6_rule_lookup+0x456/0x630 [ 3648.766439][ T74] ip6_route_input+0x59c/0xa50 [ 3648.766439][ T74] ipv6_rcv+0x397/0x810 [ 3648.766439][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3648.766439][ T74] process_backlog+0x101/0x620 [ 3648.766439][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3648.766439][ T74] net_rx_action+0x495/0xbe0 [ 3648.766439][ T74] __do_softirq+0x1b5/0x7f6 [ 3648.766439][ T74] [ 3648.768099][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3648.768099][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3648.768099][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3648.768099][ T74] fib6_nh_init+0xa22/0x1580 [ 3648.768099][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3648.768099][ T74] ip6_route_add+0x1c/0x140 [ 3648.768099][ T74] inet6_rtm_newroute+0x104/0x110 [ 3648.768099][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3648.768099][ T74] netlink_rcv_skb+0x130/0x360 [ 3648.768099][ T74] netlink_unicast+0x449/0x710 [ 3648.768099][ T74] netlink_sendmsg+0x723/0xbe0 [ 3648.768099][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3648.768099][ T74] ___sys_sendmsg+0xee/0x170 [ 3648.768099][ T74] __sys_sendmsg+0xcd/0x170 [ 3648.768099][ T74] do_syscall_64+0xc6/0x1e0 [ 3648.768099][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3648.768099][ T74] [ 3648.769987][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3648.769987][ T74] netdev_get_by_index+0x5e/0x80 [ 3648.769987][ T74] fib6_nh_init+0x3d8/0x1580 [ 3648.769987][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3648.769987][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3648.769987][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3648.769987][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3648.769987][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3648.769987][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3648.769987][ T74] addrconf_dad_begin+0x310/0x670 [ 3648.769987][ T74] addrconf_dad_work+0x10b/0xab0 [ 3648.769987][ T74] process_one_work+0x84d/0x18a0 [ 3648.769987][ T74] worker_thread+0x587/0xd30 [ 3648.769987][ T74] kthread+0x28a/0x350 [ 3648.769987][ T74] ret_from_fork+0x31/0x70 [ 3648.769987][ T74] ret_from_fork_asm+0x1a/0x30 [ 3648.769987][ T74] [ 3648.773887][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3648.773887][ T74] netdev_get_by_index+0x5e/0x80 [ 3648.773887][ T74] fib6_nh_init+0x3d8/0x1580 [ 3648.773887][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3648.773887][ T74] ip6_route_add+0x1c/0x140 [ 3648.773887][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3648.773887][ T74] inet6_addr_add+0x4f8/0xa40 [ 3648.773887][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3648.773887][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3648.773887][ T74] netlink_rcv_skb+0x130/0x360 [ 3648.773887][ T74] netlink_unicast+0x449/0x710 [ 3648.773887][ T74] netlink_sendmsg+0x723/0xbe0 [ 3648.773887][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3648.773887][ T74] ___sys_sendmsg+0xee/0x170 [ 3648.773887][ T74] __sys_sendmsg+0xcd/0x170 [ 3648.773887][ T74] do_syscall_64+0xc6/0x1e0 [ 3648.773887][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3648.773887][ T74] [ 3648.775912][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3648.775912][ T74] netdev_get_by_index+0x5e/0x80 [ 3648.775912][ T74] fib6_nh_init+0x3d8/0x1580 [ 3648.775912][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3648.775912][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3648.775912][ T74] ipv6_add_addr+0x411/0x2000 [ 3648.775912][ T74] inet6_addr_add+0x30e/0xa40 [ 3648.775912][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3648.775912][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3648.775912][ T74] netlink_rcv_skb+0x130/0x360 [ 3648.775912][ T74] netlink_unicast+0x449/0x710 [ 3648.775912][ T74] netlink_sendmsg+0x723/0xbe0 [ 3648.775912][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3648.775912][ T74] ___sys_sendmsg+0xee/0x170 [ 3648.775912][ T74] __sys_sendmsg+0xcd/0x170 [ 3648.775912][ T74] do_syscall_64+0xc6/0x1e0 [ 3648.775912][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3648.775912][ T74] [ 3648.777931][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3648.777931][ T74] netdev_get_by_index+0x5e/0x80 [ 3648.777931][ T74] fib6_nh_init+0x3d8/0x1580 [ 3648.777931][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3648.777931][ T74] ip6_route_add+0x1c/0x140 [ 3648.777931][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3648.777931][ T74] addrconf_add_dev+0xe2/0x170 [ 3648.777931][ T74] inet6_addr_add+0x12f/0xa40 [ 3648.777931][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3648.777931][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3648.777931][ T74] netlink_rcv_skb+0x130/0x360 [ 3648.777931][ T74] netlink_unicast+0x449/0x710 [ 3648.777931][ T74] netlink_sendmsg+0x723/0xbe0 [ 3648.777931][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3648.777931][ T74] ___sys_sendmsg+0xee/0x170 [ 3648.777931][ T74] __sys_sendmsg+0xcd/0x170 [ 3648.777931][ T74] do_syscall_64+0xc6/0x1e0 [ 3648.777931][ T74] [ 3648.779927][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3648.779927][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3648.779927][ T74] ipv6_find_idev+0x102/0x170 [ 3648.779927][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3648.779927][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3648.779927][ T74] netlink_rcv_skb+0x130/0x360 [ 3648.779927][ T74] netlink_unicast+0x449/0x710 [ 3648.779927][ T74] netlink_sendmsg+0x723/0xbe0 [ 3648.779927][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3648.779927][ T74] ___sys_sendmsg+0xee/0x170 [ 3648.779927][ T74] __sys_sendmsg+0xcd/0x170 [ 3648.779927][ T74] do_syscall_64+0xc6/0x1e0 [ 3648.779927][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3648.779927][ T74] [ 3648.781668][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3648.781668][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3648.781668][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3648.781668][ T74] ipv6_find_idev+0x102/0x170 [ 3648.781668][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3648.781668][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3648.781668][ T74] netlink_rcv_skb+0x130/0x360 [ 3648.781668][ T74] netlink_unicast+0x449/0x710 [ 3648.781668][ T74] netlink_sendmsg+0x723/0xbe0 [ 3648.781668][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3648.781668][ T74] ___sys_sendmsg+0xee/0x170 [ 3648.781668][ T74] __sys_sendmsg+0xcd/0x170 [ 3648.781668][ T74] do_syscall_64+0xc6/0x1e0 [ 3648.781668][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3648.781668][ T74] [ 3648.783638][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3648.783920][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3648.783920][ T74] netdev_get_by_index+0x5e/0x80 [ 3648.783920][ T74] fib6_nh_init+0x3d8/0x1580 [ 3648.783920][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3648.783920][ T74] ip6_route_add+0x1c/0x140 [ 3648.783920][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3648.783920][ T74] inet6_addr_add+0x4f8/0xa40 [ 3648.783920][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3648.783920][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3648.783920][ T74] netlink_rcv_skb+0x130/0x360 [ 3648.783920][ T74] netlink_unicast+0x449/0x710 [ 3648.783920][ T74] netlink_sendmsg+0x723/0xbe0 [ 3648.783920][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3648.783920][ T74] ___sys_sendmsg+0xee/0x170 [ 3648.783920][ T74] __sys_sendmsg+0xcd/0x170 [ 3648.783920][ T74] do_syscall_64+0xc6/0x1e0 [ 3648.783920][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3648.783920][ T74] [ 3648.786191][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3648.786191][ T74] netdev_get_by_index+0x5e/0x80 [ 3648.786191][ T74] fib6_nh_init+0x3d8/0x1580 [ 3648.786191][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3648.786191][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3648.786191][ T74] ipv6_add_addr+0x411/0x2000 [ 3648.786191][ T74] inet6_addr_add+0x30e/0xa40 [ 3648.786191][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3648.786191][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3648.786191][ T74] netlink_rcv_skb+0x130/0x360 [ 3648.786191][ T74] netlink_unicast+0x449/0x710 [ 3648.786191][ T74] netlink_sendmsg+0x723/0xbe0 [ 3648.786191][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3648.786191][ T74] ___sys_sendmsg+0xee/0x170 [ 3648.786191][ T74] __sys_sendmsg+0xcd/0x170 [ 3648.786191][ T74] do_syscall_64+0xc6/0x1e0 [ 3648.786191][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3648.786191][ T74] [ 3648.788444][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3648.788444][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3648.788444][ T74] ipv6_find_idev+0x102/0x170 [ 3648.788444][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3648.788444][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3648.788444][ T74] netlink_rcv_skb+0x130/0x360 [ 3648.788444][ T74] netlink_unicast+0x449/0x710 [ 3648.788444][ T74] netlink_sendmsg+0x723/0xbe0 [ 3648.788444][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3648.788444][ T74] ___sys_sendmsg+0xee/0x170 [ 3648.788444][ T74] __sys_sendmsg+0xcd/0x170 [ 3648.788444][ T74] do_syscall_64+0xc6/0x1e0 [ 3648.788444][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3648.788444][ T74] [ 3648.790165][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3648.790165][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3648.790165][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3648.790165][ T74] ipv6_find_idev+0x102/0x170 [ 3648.790165][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3648.790165][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3648.790165][ T74] netlink_rcv_skb+0x130/0x360 [ 3648.790165][ T74] netlink_unicast+0x449/0x710 [ 3648.790165][ T74] netlink_sendmsg+0x723/0xbe0 [ 3648.790165][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3648.790165][ T74] ___sys_sendmsg+0xee/0x170 [ 3648.790165][ T74] __sys_sendmsg+0xcd/0x170 [ 3648.790165][ T74] do_syscall_64+0xc6/0x1e0 [ 3648.790165][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3648.790165][ T74] [ 3659.031937][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3659.032335][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3659.032335][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3659.032335][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3659.032335][ T74] fib6_nh_init+0xa22/0x1580 [ 3659.032335][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3659.032335][ T74] ip6_route_add+0x1c/0x140 [ 3659.032335][ T74] inet6_rtm_newroute+0x104/0x110 [ 3659.032335][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3659.032335][ T74] netlink_rcv_skb+0x130/0x360 [ 3659.032335][ T74] netlink_unicast+0x449/0x710 [ 3659.032335][ T74] netlink_sendmsg+0x723/0xbe0 [ 3659.032335][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3659.032335][ T74] ___sys_sendmsg+0xee/0x170 [ 3659.032335][ T74] __sys_sendmsg+0xcd/0x170 [ 3659.032335][ T74] do_syscall_64+0xc6/0x1e0 [ 3659.032335][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3659.032335][ T74] [ 3659.034451][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3659.034451][ T74] netdev_get_by_index+0x5e/0x80 [ 3659.034451][ T74] fib6_nh_init+0x3d8/0x1580 [ 3659.034451][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3659.034451][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3659.034451][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3659.034451][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3659.034451][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3659.034451][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3659.034451][ T74] addrconf_dad_begin+0x310/0x670 [ 3659.034451][ T74] addrconf_dad_work+0x10b/0xab0 [ 3659.034451][ T74] process_one_work+0x84d/0x18a0 [ 3659.034451][ T74] worker_thread+0x587/0xd30 [ 3659.034451][ T74] kthread+0x28a/0x350 [ 3659.034451][ T74] ret_from_fork+0x31/0x70 [ 3659.034451][ T74] ret_from_fork_asm+0x1a/0x30 [ 3659.034451][ T74] [ 3659.036560][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3659.036560][ T74] netdev_get_by_index+0x5e/0x80 [ 3659.036560][ T74] fib6_nh_init+0x3d8/0x1580 [ 3659.036560][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3659.036560][ T74] ip6_route_add+0x1c/0x140 [ 3659.036560][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3659.036560][ T74] inet6_addr_add+0x4f8/0xa40 [ 3659.036560][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3659.036560][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3659.036560][ T74] netlink_rcv_skb+0x130/0x360 [ 3659.036560][ T74] netlink_unicast+0x449/0x710 [ 3659.036560][ T74] netlink_sendmsg+0x723/0xbe0 [ 3659.036560][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3659.036560][ T74] ___sys_sendmsg+0xee/0x170 [ 3659.036560][ T74] __sys_sendmsg+0xcd/0x170 [ 3659.036560][ T74] do_syscall_64+0xc6/0x1e0 [ 3659.036560][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3659.036560][ T74] [ 3659.038774][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3659.038774][ T74] netdev_get_by_index+0x5e/0x80 [ 3659.038774][ T74] fib6_nh_init+0x3d8/0x1580 [ 3659.038774][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3659.038774][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3659.038774][ T74] ipv6_add_addr+0x411/0x2000 [ 3659.038774][ T74] inet6_addr_add+0x30e/0xa40 [ 3659.038774][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3659.038774][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3659.038774][ T74] netlink_rcv_skb+0x130/0x360 [ 3659.038774][ T74] netlink_unicast+0x449/0x710 [ 3659.038774][ T74] netlink_sendmsg+0x723/0xbe0 [ 3659.038774][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3659.038774][ T74] ___sys_sendmsg+0xee/0x170 [ 3659.038774][ T74] __sys_sendmsg+0xcd/0x170 [ 3659.038774][ T74] do_syscall_64+0xc6/0x1e0 [ 3659.038774][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3659.038774][ T74] [ 3659.040980][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3659.040980][ T74] netdev_get_by_index+0x5e/0x80 [ 3659.040980][ T74] fib6_nh_init+0x3d8/0x1580 [ 3659.040980][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3659.040980][ T74] ip6_route_add+0x1c/0x140 [ 3659.040980][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3659.040980][ T74] addrconf_add_dev+0xe2/0x170 [ 3659.040980][ T74] inet6_addr_add+0x12f/0xa40 [ 3659.040980][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3659.040980][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3659.040980][ T74] netlink_rcv_skb+0x130/0x360 [ 3659.040980][ T74] netlink_unicast+0x449/0x710 [ 3659.040980][ T74] netlink_sendmsg+0x723/0xbe0 [ 3659.040980][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3659.040980][ T74] ___sys_sendmsg+0xee/0x170 [ 3659.040980][ T74] __sys_sendmsg+0xcd/0x170 [ 3659.040980][ T74] do_syscall_64+0xc6/0x1e0 [ 3659.040980][ T74] [ 3659.043185][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3659.043185][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3659.043185][ T74] ipv6_find_idev+0x102/0x170 [ 3659.043185][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3659.043185][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3659.043185][ T74] netlink_rcv_skb+0x130/0x360 [ 3659.043185][ T74] netlink_unicast+0x449/0x710 [ 3659.043185][ T74] netlink_sendmsg+0x723/0xbe0 [ 3659.043185][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3659.043185][ T74] ___sys_sendmsg+0xee/0x170 [ 3659.043185][ T74] __sys_sendmsg+0xcd/0x170 [ 3659.043185][ T74] do_syscall_64+0xc6/0x1e0 [ 3659.043185][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3659.043185][ T74] [ 3659.044888][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3659.044888][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3659.044888][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3659.044888][ T74] ipv6_find_idev+0x102/0x170 [ 3659.044888][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3659.044888][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3659.044888][ T74] netlink_rcv_skb+0x130/0x360 [ 3659.044888][ T74] netlink_unicast+0x449/0x710 [ 3659.044888][ T74] netlink_sendmsg+0x723/0xbe0 [ 3659.044888][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3659.044888][ T74] ___sys_sendmsg+0xee/0x170 [ 3659.044888][ T74] __sys_sendmsg+0xcd/0x170 [ 3659.044888][ T74] do_syscall_64+0xc6/0x1e0 [ 3659.044888][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3659.044888][ T74] [ 3659.046752][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3659.047061][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3659.047061][ T74] dst_init+0x84/0x4a0 [ 3659.047061][ T74] dst_alloc+0x97/0x150 [ 3659.047061][ T74] ip6_dst_alloc+0x23/0x90 [ 3659.047061][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3659.047061][ T74] ip6_pol_route+0x56f/0x840 [ 3659.047061][ T74] fib6_rule_lookup+0x456/0x630 [ 3659.047061][ T74] ip6_route_input+0x59c/0xa50 [ 3659.047061][ T74] ipv6_rcv+0x397/0x810 [ 3659.047061][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3659.047061][ T74] process_backlog+0x101/0x620 [ 3659.047061][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3659.047061][ T74] net_rx_action+0x495/0xbe0 [ 3659.047061][ T74] __do_softirq+0x1b5/0x7f6 [ 3659.047061][ T74] [ 3659.048832][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3659.048832][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3659.048832][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3659.048832][ T74] fib6_nh_init+0xa22/0x1580 [ 3659.048832][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3659.048832][ T74] ip6_route_add+0x1c/0x140 [ 3659.048832][ T74] inet6_rtm_newroute+0x104/0x110 [ 3659.048832][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3659.048832][ T74] netlink_rcv_skb+0x130/0x360 [ 3659.048832][ T74] netlink_unicast+0x449/0x710 [ 3659.048832][ T74] netlink_sendmsg+0x723/0xbe0 [ 3659.048832][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3659.048832][ T74] ___sys_sendmsg+0xee/0x170 [ 3659.048832][ T74] __sys_sendmsg+0xcd/0x170 [ 3659.048832][ T74] do_syscall_64+0xc6/0x1e0 [ 3659.048832][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3659.048832][ T74] [ 3659.050881][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3659.050881][ T74] netdev_get_by_index+0x5e/0x80 [ 3659.050881][ T74] fib6_nh_init+0x3d8/0x1580 [ 3659.050881][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3659.050881][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3659.050881][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3659.050881][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3659.050881][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3659.050881][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3659.050881][ T74] addrconf_dad_begin+0x310/0x670 [ 3659.050881][ T74] addrconf_dad_work+0x10b/0xab0 [ 3659.050881][ T74] process_one_work+0x84d/0x18a0 [ 3659.050881][ T74] worker_thread+0x587/0xd30 [ 3659.050881][ T74] kthread+0x28a/0x350 [ 3659.050881][ T74] ret_from_fork+0x31/0x70 [ 3659.050881][ T74] ret_from_fork_asm+0x1a/0x30 [ 3659.050881][ T74] [ 3659.052958][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3659.052958][ T74] netdev_get_by_index+0x5e/0x80 [ 3659.052958][ T74] fib6_nh_init+0x3d8/0x1580 [ 3659.052958][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3659.052958][ T74] ip6_route_add+0x1c/0x140 [ 3659.052958][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3659.052958][ T74] inet6_addr_add+0x4f8/0xa40 [ 3659.052958][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3659.052958][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3659.052958][ T74] netlink_rcv_skb+0x130/0x360 [ 3659.052958][ T74] netlink_unicast+0x449/0x710 [ 3659.052958][ T74] netlink_sendmsg+0x723/0xbe0 [ 3659.052958][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3659.052958][ T74] ___sys_sendmsg+0xee/0x170 [ 3659.052958][ T74] __sys_sendmsg+0xcd/0x170 [ 3659.052958][ T74] do_syscall_64+0xc6/0x1e0 [ 3659.052958][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3659.052958][ T74] [ 3659.055152][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3659.055152][ T74] netdev_get_by_index+0x5e/0x80 [ 3659.055152][ T74] fib6_nh_init+0x3d8/0x1580 [ 3659.055152][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3659.055152][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3659.055152][ T74] ipv6_add_addr+0x411/0x2000 [ 3659.055152][ T74] inet6_addr_add+0x30e/0xa40 [ 3659.055152][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3659.055152][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3659.055152][ T74] netlink_rcv_skb+0x130/0x360 [ 3659.055152][ T74] netlink_unicast+0x449/0x710 [ 3659.055152][ T74] netlink_sendmsg+0x723/0xbe0 [ 3659.055152][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3659.055152][ T74] ___sys_sendmsg+0xee/0x170 [ 3659.055152][ T74] __sys_sendmsg+0xcd/0x170 [ 3659.055152][ T74] do_syscall_64+0xc6/0x1e0 [ 3659.055152][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3659.055152][ T74] [ 3659.057320][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3659.057320][ T74] netdev_get_by_index+0x5e/0x80 [ 3659.057320][ T74] fib6_nh_init+0x3d8/0x1580 [ 3659.057320][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3659.057320][ T74] ip6_route_add+0x1c/0x140 [ 3659.057320][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3659.057320][ T74] addrconf_add_dev+0xe2/0x170 [ 3659.057320][ T74] inet6_addr_add+0x12f/0xa40 [ 3659.057320][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3659.057320][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3659.057320][ T74] netlink_rcv_skb+0x130/0x360 [ 3659.057320][ T74] netlink_unicast+0x449/0x710 [ 3659.057320][ T74] netlink_sendmsg+0x723/0xbe0 [ 3659.057320][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3659.057320][ T74] ___sys_sendmsg+0xee/0x170 [ 3659.057320][ T74] __sys_sendmsg+0xcd/0x170 [ 3659.057320][ T74] do_syscall_64+0xc6/0x1e0 [ 3659.057320][ T74] [ 3659.059300][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3659.059300][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3659.059300][ T74] ipv6_find_idev+0x102/0x170 [ 3659.059300][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3659.059300][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3659.059300][ T74] netlink_rcv_skb+0x130/0x360 [ 3659.059300][ T74] netlink_unicast+0x449/0x710 [ 3659.059300][ T74] netlink_sendmsg+0x723/0xbe0 [ 3659.059300][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3659.059300][ T74] ___sys_sendmsg+0xee/0x170 [ 3659.059300][ T74] __sys_sendmsg+0xcd/0x170 [ 3659.059300][ T74] do_syscall_64+0xc6/0x1e0 [ 3659.059300][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3659.059300][ T74] [ 3659.061044][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3659.061044][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3659.061044][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3659.061044][ T74] ipv6_find_idev+0x102/0x170 [ 3659.061044][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3659.061044][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3659.061044][ T74] netlink_rcv_skb+0x130/0x360 [ 3659.061044][ T74] netlink_unicast+0x449/0x710 [ 3659.061044][ T74] netlink_sendmsg+0x723/0xbe0 [ 3659.061044][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3659.061044][ T74] ___sys_sendmsg+0xee/0x170 [ 3659.061044][ T74] __sys_sendmsg+0xcd/0x170 [ 3659.061044][ T74] do_syscall_64+0xc6/0x1e0 [ 3659.061044][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3659.061044][ T74] [ 3659.063021][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3659.063260][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3659.063260][ T74] netdev_get_by_index+0x5e/0x80 [ 3659.063260][ T74] fib6_nh_init+0x3d8/0x1580 [ 3659.063260][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3659.063260][ T74] ip6_route_add+0x1c/0x140 [ 3659.063260][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3659.063260][ T74] inet6_addr_add+0x4f8/0xa40 [ 3659.063260][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3659.063260][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3659.063260][ T74] netlink_rcv_skb+0x130/0x360 [ 3659.063260][ T74] netlink_unicast+0x449/0x710 [ 3659.063260][ T74] netlink_sendmsg+0x723/0xbe0 [ 3659.063260][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3659.063260][ T74] ___sys_sendmsg+0xee/0x170 [ 3659.063260][ T74] __sys_sendmsg+0xcd/0x170 [ 3659.063260][ T74] do_syscall_64+0xc6/0x1e0 [ 3659.063260][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3659.063260][ T74] [ 3659.065519][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3659.065519][ T74] netdev_get_by_index+0x5e/0x80 [ 3659.065519][ T74] fib6_nh_init+0x3d8/0x1580 [ 3659.065519][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3659.065519][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3659.065519][ T74] ipv6_add_addr+0x411/0x2000 [ 3659.065519][ T74] inet6_addr_add+0x30e/0xa40 [ 3659.065519][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3659.065519][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3659.065519][ T74] netlink_rcv_skb+0x130/0x360 [ 3659.065519][ T74] netlink_unicast+0x449/0x710 [ 3659.065519][ T74] netlink_sendmsg+0x723/0xbe0 [ 3659.065519][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3659.065519][ T74] ___sys_sendmsg+0xee/0x170 [ 3659.065519][ T74] __sys_sendmsg+0xcd/0x170 [ 3659.065519][ T74] do_syscall_64+0xc6/0x1e0 [ 3659.065519][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3659.065519][ T74] [ 3659.067773][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3659.067773][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3659.067773][ T74] ipv6_find_idev+0x102/0x170 [ 3659.067773][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3659.067773][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3659.067773][ T74] netlink_rcv_skb+0x130/0x360 [ 3659.067773][ T74] netlink_unicast+0x449/0x710 [ 3659.067773][ T74] netlink_sendmsg+0x723/0xbe0 [ 3659.067773][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3659.067773][ T74] ___sys_sendmsg+0xee/0x170 [ 3659.067773][ T74] __sys_sendmsg+0xcd/0x170 [ 3659.067773][ T74] do_syscall_64+0xc6/0x1e0 [ 3659.067773][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3659.067773][ T74] [ 3659.069502][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3659.069502][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3659.069502][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3659.069502][ T74] ipv6_find_idev+0x102/0x170 [ 3659.069502][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3659.069502][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3659.069502][ T74] netlink_rcv_skb+0x130/0x360 [ 3659.069502][ T74] netlink_unicast+0x449/0x710 [ 3659.069502][ T74] netlink_sendmsg+0x723/0xbe0 [ 3659.069502][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3659.069502][ T74] ___sys_sendmsg+0xee/0x170 [ 3659.069502][ T74] __sys_sendmsg+0xcd/0x170 [ 3659.069502][ T74] do_syscall_64+0xc6/0x1e0 [ 3659.069502][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3659.069502][ T74] [ 3669.239966][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3669.240388][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3669.240388][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3669.240388][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3669.240388][ T74] fib6_nh_init+0xa22/0x1580 [ 3669.240388][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3669.240388][ T74] ip6_route_add+0x1c/0x140 [ 3669.240388][ T74] inet6_rtm_newroute+0x104/0x110 [ 3669.240388][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3669.240388][ T74] netlink_rcv_skb+0x130/0x360 [ 3669.240388][ T74] netlink_unicast+0x449/0x710 [ 3669.240388][ T74] netlink_sendmsg+0x723/0xbe0 [ 3669.240388][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3669.240388][ T74] ___sys_sendmsg+0xee/0x170 [ 3669.240388][ T74] __sys_sendmsg+0xcd/0x170 [ 3669.240388][ T74] do_syscall_64+0xc6/0x1e0 [ 3669.240388][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3669.240388][ T74] [ 3669.242333][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3669.242333][ T74] netdev_get_by_index+0x5e/0x80 [ 3669.242333][ T74] fib6_nh_init+0x3d8/0x1580 [ 3669.242333][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3669.242333][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3669.242333][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3669.242333][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3669.242333][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3669.242333][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3669.242333][ T74] addrconf_dad_begin+0x310/0x670 [ 3669.242333][ T74] addrconf_dad_work+0x10b/0xab0 [ 3669.242333][ T74] process_one_work+0x84d/0x18a0 [ 3669.242333][ T74] worker_thread+0x587/0xd30 [ 3669.242333][ T74] kthread+0x28a/0x350 [ 3669.242333][ T74] ret_from_fork+0x31/0x70 [ 3669.242333][ T74] ret_from_fork_asm+0x1a/0x30 [ 3669.242333][ T74] [ 3669.244258][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3669.244258][ T74] netdev_get_by_index+0x5e/0x80 [ 3669.244258][ T74] fib6_nh_init+0x3d8/0x1580 [ 3669.244258][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3669.244258][ T74] ip6_route_add+0x1c/0x140 [ 3669.244258][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3669.244258][ T74] inet6_addr_add+0x4f8/0xa40 [ 3669.244258][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3669.244258][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3669.244258][ T74] netlink_rcv_skb+0x130/0x360 [ 3669.244258][ T74] netlink_unicast+0x449/0x710 [ 3669.244258][ T74] netlink_sendmsg+0x723/0xbe0 [ 3669.244258][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3669.244258][ T74] ___sys_sendmsg+0xee/0x170 [ 3669.244258][ T74] __sys_sendmsg+0xcd/0x170 [ 3669.244258][ T74] do_syscall_64+0xc6/0x1e0 [ 3669.244258][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3669.244258][ T74] [ 3669.246274][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3669.246274][ T74] netdev_get_by_index+0x5e/0x80 [ 3669.246274][ T74] fib6_nh_init+0x3d8/0x1580 [ 3669.246274][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3669.246274][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3669.246274][ T74] ipv6_add_addr+0x411/0x2000 [ 3669.246274][ T74] inet6_addr_add+0x30e/0xa40 [ 3669.246274][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3669.246274][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3669.246274][ T74] netlink_rcv_skb+0x130/0x360 [ 3669.246274][ T74] netlink_unicast+0x449/0x710 [ 3669.246274][ T74] netlink_sendmsg+0x723/0xbe0 [ 3669.246274][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3669.246274][ T74] ___sys_sendmsg+0xee/0x170 [ 3669.246274][ T74] __sys_sendmsg+0xcd/0x170 [ 3669.246274][ T74] do_syscall_64+0xc6/0x1e0 [ 3669.246274][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3669.246274][ T74] [ 3669.248289][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3669.248289][ T74] netdev_get_by_index+0x5e/0x80 [ 3669.248289][ T74] fib6_nh_init+0x3d8/0x1580 [ 3669.248289][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3669.248289][ T74] ip6_route_add+0x1c/0x140 [ 3669.248289][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3669.248289][ T74] addrconf_add_dev+0xe2/0x170 [ 3669.248289][ T74] inet6_addr_add+0x12f/0xa40 [ 3669.248289][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3669.248289][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3669.248289][ T74] netlink_rcv_skb+0x130/0x360 [ 3669.248289][ T74] netlink_unicast+0x449/0x710 [ 3669.248289][ T74] netlink_sendmsg+0x723/0xbe0 [ 3669.248289][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3669.248289][ T74] ___sys_sendmsg+0xee/0x170 [ 3669.248289][ T74] __sys_sendmsg+0xcd/0x170 [ 3669.248289][ T74] do_syscall_64+0xc6/0x1e0 [ 3669.248289][ T74] [ 3669.250268][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3669.250268][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3669.250268][ T74] ipv6_find_idev+0x102/0x170 [ 3669.250268][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3669.250268][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3669.250268][ T74] netlink_rcv_skb+0x130/0x360 [ 3669.250268][ T74] netlink_unicast+0x449/0x710 [ 3669.250268][ T74] netlink_sendmsg+0x723/0xbe0 [ 3669.250268][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3669.250268][ T74] ___sys_sendmsg+0xee/0x170 [ 3669.250268][ T74] __sys_sendmsg+0xcd/0x170 [ 3669.250268][ T74] do_syscall_64+0xc6/0x1e0 [ 3669.250268][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3669.250268][ T74] [ 3669.251815][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3669.251815][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3669.251815][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3669.251815][ T74] ipv6_find_idev+0x102/0x170 [ 3669.251815][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3669.251815][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3669.251815][ T74] netlink_rcv_skb+0x130/0x360 [ 3669.251815][ T74] netlink_unicast+0x449/0x710 [ 3669.251815][ T74] netlink_sendmsg+0x723/0xbe0 [ 3669.251815][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3669.251815][ T74] ___sys_sendmsg+0xee/0x170 [ 3669.251815][ T74] __sys_sendmsg+0xcd/0x170 [ 3669.251815][ T74] do_syscall_64+0xc6/0x1e0 [ 3669.251815][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3669.251815][ T74] [ 3669.253507][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3669.253815][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3669.253815][ T74] dst_init+0x84/0x4a0 [ 3669.253815][ T74] dst_alloc+0x97/0x150 [ 3669.253815][ T74] ip6_dst_alloc+0x23/0x90 [ 3669.253815][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3669.253815][ T74] ip6_pol_route+0x56f/0x840 [ 3669.253815][ T74] fib6_rule_lookup+0x456/0x630 [ 3669.253815][ T74] ip6_route_input+0x59c/0xa50 [ 3669.253815][ T74] ipv6_rcv+0x397/0x810 [ 3669.253815][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3669.253815][ T74] process_backlog+0x101/0x620 [ 3669.253815][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3669.253815][ T74] net_rx_action+0x495/0xbe0 [ 3669.253815][ T74] __do_softirq+0x1b5/0x7f6 [ 3669.253815][ T74] [ 3669.255454][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3669.255454][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3669.255454][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3669.255454][ T74] fib6_nh_init+0xa22/0x1580 [ 3669.255454][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3669.255454][ T74] ip6_route_add+0x1c/0x140 [ 3669.255454][ T74] inet6_rtm_newroute+0x104/0x110 [ 3669.255454][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3669.255454][ T74] netlink_rcv_skb+0x130/0x360 [ 3669.255454][ T74] netlink_unicast+0x449/0x710 [ 3669.255454][ T74] netlink_sendmsg+0x723/0xbe0 [ 3669.255454][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3669.255454][ T74] ___sys_sendmsg+0xee/0x170 [ 3669.255454][ T74] __sys_sendmsg+0xcd/0x170 [ 3669.255454][ T74] do_syscall_64+0xc6/0x1e0 [ 3669.255454][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3669.255454][ T74] [ 3669.257958][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3669.257958][ T74] netdev_get_by_index+0x5e/0x80 [ 3669.257958][ T74] fib6_nh_init+0x3d8/0x1580 [ 3669.257958][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3669.257958][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3669.257958][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3669.257958][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3669.257958][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3669.257958][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3669.257958][ T74] addrconf_dad_begin+0x310/0x670 [ 3669.257958][ T74] addrconf_dad_work+0x10b/0xab0 [ 3669.257958][ T74] process_one_work+0x84d/0x18a0 [ 3669.257958][ T74] worker_thread+0x587/0xd30 [ 3669.257958][ T74] kthread+0x28a/0x350 [ 3669.257958][ T74] ret_from_fork+0x31/0x70 [ 3669.257958][ T74] ret_from_fork_asm+0x1a/0x30 [ 3669.257958][ T74] [ 3669.260114][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3669.260114][ T74] netdev_get_by_index+0x5e/0x80 [ 3669.260114][ T74] fib6_nh_init+0x3d8/0x1580 [ 3669.260114][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3669.260114][ T74] ip6_route_add+0x1c/0x140 [ 3669.260114][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3669.260114][ T74] inet6_addr_add+0x4f8/0xa40 [ 3669.260114][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3669.260114][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3669.260114][ T74] netlink_rcv_skb+0x130/0x360 [ 3669.260114][ T74] netlink_unicast+0x449/0x710 [ 3669.260114][ T74] netlink_sendmsg+0x723/0xbe0 [ 3669.260114][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3669.260114][ T74] ___sys_sendmsg+0xee/0x170 [ 3669.260114][ T74] __sys_sendmsg+0xcd/0x170 [ 3669.260114][ T74] do_syscall_64+0xc6/0x1e0 [ 3669.260114][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3669.260114][ T74] [ 3669.262324][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3669.262324][ T74] netdev_get_by_index+0x5e/0x80 [ 3669.262324][ T74] fib6_nh_init+0x3d8/0x1580 [ 3669.262324][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3669.262324][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3669.262324][ T74] ipv6_add_addr+0x411/0x2000 [ 3669.262324][ T74] inet6_addr_add+0x30e/0xa40 [ 3669.262324][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3669.262324][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3669.262324][ T74] netlink_rcv_skb+0x130/0x360 [ 3669.262324][ T74] netlink_unicast+0x449/0x710 [ 3669.262324][ T74] netlink_sendmsg+0x723/0xbe0 [ 3669.262324][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3669.262324][ T74] ___sys_sendmsg+0xee/0x170 [ 3669.262324][ T74] __sys_sendmsg+0xcd/0x170 [ 3669.262324][ T74] do_syscall_64+0xc6/0x1e0 [ 3669.262324][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3669.262324][ T74] [ 3669.264513][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3669.264513][ T74] netdev_get_by_index+0x5e/0x80 [ 3669.264513][ T74] fib6_nh_init+0x3d8/0x1580 [ 3669.264513][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3669.264513][ T74] ip6_route_add+0x1c/0x140 [ 3669.264513][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3669.264513][ T74] addrconf_add_dev+0xe2/0x170 [ 3669.264513][ T74] inet6_addr_add+0x12f/0xa40 [ 3669.264513][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3669.264513][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3669.264513][ T74] netlink_rcv_skb+0x130/0x360 [ 3669.264513][ T74] netlink_unicast+0x449/0x710 [ 3669.264513][ T74] netlink_sendmsg+0x723/0xbe0 [ 3669.264513][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3669.264513][ T74] ___sys_sendmsg+0xee/0x170 [ 3669.264513][ T74] __sys_sendmsg+0xcd/0x170 [ 3669.264513][ T74] do_syscall_64+0xc6/0x1e0 [ 3669.264513][ T74] [ 3669.266673][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3669.266673][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3669.266673][ T74] ipv6_find_idev+0x102/0x170 [ 3669.266673][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3669.266673][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3669.266673][ T74] netlink_rcv_skb+0x130/0x360 [ 3669.266673][ T74] netlink_unicast+0x449/0x710 [ 3669.266673][ T74] netlink_sendmsg+0x723/0xbe0 [ 3669.266673][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3669.266673][ T74] ___sys_sendmsg+0xee/0x170 [ 3669.266673][ T74] __sys_sendmsg+0xcd/0x170 [ 3669.266673][ T74] do_syscall_64+0xc6/0x1e0 [ 3669.266673][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3669.266673][ T74] [ 3669.268561][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3669.268561][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3669.268561][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3669.268561][ T74] ipv6_find_idev+0x102/0x170 [ 3669.268561][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3669.268561][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3669.268561][ T74] netlink_rcv_skb+0x130/0x360 [ 3669.268561][ T74] netlink_unicast+0x449/0x710 [ 3669.268561][ T74] netlink_sendmsg+0x723/0xbe0 [ 3669.268561][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3669.268561][ T74] ___sys_sendmsg+0xee/0x170 [ 3669.268561][ T74] __sys_sendmsg+0xcd/0x170 [ 3669.268561][ T74] do_syscall_64+0xc6/0x1e0 [ 3669.268561][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3669.268561][ T74] [ 3669.270667][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3669.271018][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3669.271018][ T74] netdev_get_by_index+0x5e/0x80 [ 3669.271018][ T74] fib6_nh_init+0x3d8/0x1580 [ 3669.271018][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3669.271018][ T74] ip6_route_add+0x1c/0x140 [ 3669.271018][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3669.271018][ T74] inet6_addr_add+0x4f8/0xa40 [ 3669.271018][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3669.271018][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3669.271018][ T74] netlink_rcv_skb+0x130/0x360 [ 3669.271018][ T74] netlink_unicast+0x449/0x710 [ 3669.271018][ T74] netlink_sendmsg+0x723/0xbe0 [ 3669.271018][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3669.271018][ T74] ___sys_sendmsg+0xee/0x170 [ 3669.271018][ T74] __sys_sendmsg+0xcd/0x170 [ 3669.271018][ T74] do_syscall_64+0xc6/0x1e0 [ 3669.271018][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3669.271018][ T74] [ 3669.273738][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3669.273738][ T74] netdev_get_by_index+0x5e/0x80 [ 3669.273738][ T74] fib6_nh_init+0x3d8/0x1580 [ 3669.273738][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3669.273738][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3669.273738][ T74] ipv6_add_addr+0x411/0x2000 [ 3669.273738][ T74] inet6_addr_add+0x30e/0xa40 [ 3669.273738][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3669.273738][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3669.273738][ T74] netlink_rcv_skb+0x130/0x360 [ 3669.273738][ T74] netlink_unicast+0x449/0x710 [ 3669.273738][ T74] netlink_sendmsg+0x723/0xbe0 [ 3669.273738][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3669.273738][ T74] ___sys_sendmsg+0xee/0x170 [ 3669.273738][ T74] __sys_sendmsg+0xcd/0x170 [ 3669.273738][ T74] do_syscall_64+0xc6/0x1e0 [ 3669.273738][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3669.273738][ T74] [ 3669.276129][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3669.276129][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3669.276129][ T74] ipv6_find_idev+0x102/0x170 [ 3669.276129][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3669.276129][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3669.276129][ T74] netlink_rcv_skb+0x130/0x360 [ 3669.276129][ T74] netlink_unicast+0x449/0x710 [ 3669.276129][ T74] netlink_sendmsg+0x723/0xbe0 [ 3669.276129][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3669.276129][ T74] ___sys_sendmsg+0xee/0x170 [ 3669.276129][ T74] __sys_sendmsg+0xcd/0x170 [ 3669.276129][ T74] do_syscall_64+0xc6/0x1e0 [ 3669.276129][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3669.276129][ T74] [ 3669.278069][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3669.278069][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3669.278069][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3669.278069][ T74] ipv6_find_idev+0x102/0x170 [ 3669.278069][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3669.278069][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3669.278069][ T74] netlink_rcv_skb+0x130/0x360 [ 3669.278069][ T74] netlink_unicast+0x449/0x710 [ 3669.278069][ T74] netlink_sendmsg+0x723/0xbe0 [ 3669.278069][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3669.278069][ T74] ___sys_sendmsg+0xee/0x170 [ 3669.278069][ T74] __sys_sendmsg+0xcd/0x170 [ 3669.278069][ T74] do_syscall_64+0xc6/0x1e0 [ 3669.278069][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3669.278069][ T74] [ 3679.535926][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3679.536366][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3679.536366][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3679.536366][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3679.536366][ T74] fib6_nh_init+0xa22/0x1580 [ 3679.536366][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3679.536366][ T74] ip6_route_add+0x1c/0x140 [ 3679.536366][ T74] inet6_rtm_newroute+0x104/0x110 [ 3679.536366][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3679.536366][ T74] netlink_rcv_skb+0x130/0x360 [ 3679.536366][ T74] netlink_unicast+0x449/0x710 [ 3679.536366][ T74] netlink_sendmsg+0x723/0xbe0 [ 3679.536366][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3679.536366][ T74] ___sys_sendmsg+0xee/0x170 [ 3679.536366][ T74] __sys_sendmsg+0xcd/0x170 [ 3679.536366][ T74] do_syscall_64+0xc6/0x1e0 [ 3679.536366][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3679.536366][ T74] [ 3679.538496][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3679.538496][ T74] netdev_get_by_index+0x5e/0x80 [ 3679.538496][ T74] fib6_nh_init+0x3d8/0x1580 [ 3679.538496][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3679.538496][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3679.538496][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3679.538496][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3679.538496][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3679.538496][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3679.538496][ T74] addrconf_dad_begin+0x310/0x670 [ 3679.538496][ T74] addrconf_dad_work+0x10b/0xab0 [ 3679.538496][ T74] process_one_work+0x84d/0x18a0 [ 3679.538496][ T74] worker_thread+0x587/0xd30 [ 3679.538496][ T74] kthread+0x28a/0x350 [ 3679.538496][ T74] ret_from_fork+0x31/0x70 [ 3679.538496][ T74] ret_from_fork_asm+0x1a/0x30 [ 3679.538496][ T74] [ 3679.540655][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3679.540655][ T74] netdev_get_by_index+0x5e/0x80 [ 3679.540655][ T74] fib6_nh_init+0x3d8/0x1580 [ 3679.540655][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3679.540655][ T74] ip6_route_add+0x1c/0x140 [ 3679.540655][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3679.540655][ T74] inet6_addr_add+0x4f8/0xa40 [ 3679.540655][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3679.540655][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3679.540655][ T74] netlink_rcv_skb+0x130/0x360 [ 3679.540655][ T74] netlink_unicast+0x449/0x710 [ 3679.540655][ T74] netlink_sendmsg+0x723/0xbe0 [ 3679.540655][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3679.540655][ T74] ___sys_sendmsg+0xee/0x170 [ 3679.540655][ T74] __sys_sendmsg+0xcd/0x170 [ 3679.540655][ T74] do_syscall_64+0xc6/0x1e0 [ 3679.540655][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3679.540655][ T74] [ 3679.542848][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3679.542848][ T74] netdev_get_by_index+0x5e/0x80 [ 3679.542848][ T74] fib6_nh_init+0x3d8/0x1580 [ 3679.542848][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3679.542848][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3679.542848][ T74] ipv6_add_addr+0x411/0x2000 [ 3679.542848][ T74] inet6_addr_add+0x30e/0xa40 [ 3679.542848][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3679.542848][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3679.542848][ T74] netlink_rcv_skb+0x130/0x360 [ 3679.542848][ T74] netlink_unicast+0x449/0x710 [ 3679.542848][ T74] netlink_sendmsg+0x723/0xbe0 [ 3679.542848][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3679.542848][ T74] ___sys_sendmsg+0xee/0x170 [ 3679.542848][ T74] __sys_sendmsg+0xcd/0x170 [ 3679.542848][ T74] do_syscall_64+0xc6/0x1e0 [ 3679.542848][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3679.542848][ T74] [ 3679.545099][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3679.545099][ T74] netdev_get_by_index+0x5e/0x80 [ 3679.545099][ T74] fib6_nh_init+0x3d8/0x1580 [ 3679.545099][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3679.545099][ T74] ip6_route_add+0x1c/0x140 [ 3679.545099][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3679.545099][ T74] addrconf_add_dev+0xe2/0x170 [ 3679.545099][ T74] inet6_addr_add+0x12f/0xa40 [ 3679.545099][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3679.545099][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3679.545099][ T74] netlink_rcv_skb+0x130/0x360 [ 3679.545099][ T74] netlink_unicast+0x449/0x710 [ 3679.545099][ T74] netlink_sendmsg+0x723/0xbe0 [ 3679.545099][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3679.545099][ T74] ___sys_sendmsg+0xee/0x170 [ 3679.545099][ T74] __sys_sendmsg+0xcd/0x170 [ 3679.545099][ T74] do_syscall_64+0xc6/0x1e0 [ 3679.545099][ T74] [ 3679.547296][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3679.547296][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3679.547296][ T74] ipv6_find_idev+0x102/0x170 [ 3679.547296][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3679.547296][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3679.547296][ T74] netlink_rcv_skb+0x130/0x360 [ 3679.547296][ T74] netlink_unicast+0x449/0x710 [ 3679.547296][ T74] netlink_sendmsg+0x723/0xbe0 [ 3679.547296][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3679.547296][ T74] ___sys_sendmsg+0xee/0x170 [ 3679.547296][ T74] __sys_sendmsg+0xcd/0x170 [ 3679.547296][ T74] do_syscall_64+0xc6/0x1e0 [ 3679.547296][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3679.547296][ T74] [ 3679.548992][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3679.548992][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3679.548992][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3679.548992][ T74] ipv6_find_idev+0x102/0x170 [ 3679.548992][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3679.548992][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3679.548992][ T74] netlink_rcv_skb+0x130/0x360 [ 3679.548992][ T74] netlink_unicast+0x449/0x710 [ 3679.548992][ T74] netlink_sendmsg+0x723/0xbe0 [ 3679.548992][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3679.548992][ T74] ___sys_sendmsg+0xee/0x170 [ 3679.548992][ T74] __sys_sendmsg+0xcd/0x170 [ 3679.548992][ T74] do_syscall_64+0xc6/0x1e0 [ 3679.548992][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3679.548992][ T74] [ 3679.550893][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3679.551229][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3679.551229][ T74] dst_init+0x84/0x4a0 [ 3679.551229][ T74] dst_alloc+0x97/0x150 [ 3679.551229][ T74] ip6_dst_alloc+0x23/0x90 [ 3679.551229][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3679.551229][ T74] ip6_pol_route+0x56f/0x840 [ 3679.551229][ T74] fib6_rule_lookup+0x456/0x630 [ 3679.551229][ T74] ip6_route_input+0x59c/0xa50 [ 3679.551229][ T74] ipv6_rcv+0x397/0x810 [ 3679.551229][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3679.551229][ T74] process_backlog+0x101/0x620 [ 3679.551229][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3679.551229][ T74] net_rx_action+0x495/0xbe0 [ 3679.551229][ T74] __do_softirq+0x1b5/0x7f6 [ 3679.551229][ T74] [ 3679.553057][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3679.553057][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3679.553057][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3679.553057][ T74] fib6_nh_init+0xa22/0x1580 [ 3679.553057][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3679.553057][ T74] ip6_route_add+0x1c/0x140 [ 3679.553057][ T74] inet6_rtm_newroute+0x104/0x110 [ 3679.553057][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3679.553057][ T74] netlink_rcv_skb+0x130/0x360 [ 3679.553057][ T74] netlink_unicast+0x449/0x710 [ 3679.553057][ T74] netlink_sendmsg+0x723/0xbe0 [ 3679.553057][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3679.553057][ T74] ___sys_sendmsg+0xee/0x170 [ 3679.553057][ T74] __sys_sendmsg+0xcd/0x170 [ 3679.553057][ T74] do_syscall_64+0xc6/0x1e0 [ 3679.553057][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3679.553057][ T74] [ 3679.554991][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3679.554991][ T74] netdev_get_by_index+0x5e/0x80 [ 3679.554991][ T74] fib6_nh_init+0x3d8/0x1580 [ 3679.554991][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3679.554991][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3679.554991][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3679.554991][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3679.554991][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3679.554991][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3679.554991][ T74] addrconf_dad_begin+0x310/0x670 [ 3679.554991][ T74] addrconf_dad_work+0x10b/0xab0 [ 3679.554991][ T74] process_one_work+0x84d/0x18a0 [ 3679.554991][ T74] worker_thread+0x587/0xd30 [ 3679.554991][ T74] kthread+0x28a/0x350 [ 3679.554991][ T74] ret_from_fork+0x31/0x70 [ 3679.554991][ T74] ret_from_fork_asm+0x1a/0x30 [ 3679.554991][ T74] [ 3679.557041][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3679.557041][ T74] netdev_get_by_index+0x5e/0x80 [ 3679.557041][ T74] fib6_nh_init+0x3d8/0x1580 [ 3679.557041][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3679.557041][ T74] ip6_route_add+0x1c/0x140 [ 3679.557041][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3679.557041][ T74] inet6_addr_add+0x4f8/0xa40 [ 3679.557041][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3679.557041][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3679.557041][ T74] netlink_rcv_skb+0x130/0x360 [ 3679.557041][ T74] netlink_unicast+0x449/0x710 [ 3679.557041][ T74] netlink_sendmsg+0x723/0xbe0 [ 3679.557041][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3679.557041][ T74] ___sys_sendmsg+0xee/0x170 [ 3679.557041][ T74] __sys_sendmsg+0xcd/0x170 [ 3679.557041][ T74] do_syscall_64+0xc6/0x1e0 [ 3679.557041][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3679.557041][ T74] [ 3679.559084][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3679.559084][ T74] netdev_get_by_index+0x5e/0x80 [ 3679.559084][ T74] fib6_nh_init+0x3d8/0x1580 [ 3679.559084][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3679.559084][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3679.559084][ T74] ipv6_add_addr+0x411/0x2000 [ 3679.559084][ T74] inet6_addr_add+0x30e/0xa40 [ 3679.559084][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3679.559084][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3679.559084][ T74] netlink_rcv_skb+0x130/0x360 [ 3679.559084][ T74] netlink_unicast+0x449/0x710 [ 3679.559084][ T74] netlink_sendmsg+0x723/0xbe0 [ 3679.559084][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3679.559084][ T74] ___sys_sendmsg+0xee/0x170 [ 3679.559084][ T74] __sys_sendmsg+0xcd/0x170 [ 3679.559084][ T74] do_syscall_64+0xc6/0x1e0 [ 3679.559084][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3679.559084][ T74] [ 3679.561109][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3679.561109][ T74] netdev_get_by_index+0x5e/0x80 [ 3679.561109][ T74] fib6_nh_init+0x3d8/0x1580 [ 3679.561109][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3679.561109][ T74] ip6_route_add+0x1c/0x140 [ 3679.561109][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3679.561109][ T74] addrconf_add_dev+0xe2/0x170 [ 3679.561109][ T74] inet6_addr_add+0x12f/0xa40 [ 3679.561109][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3679.561109][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3679.561109][ T74] netlink_rcv_skb+0x130/0x360 [ 3679.561109][ T74] netlink_unicast+0x449/0x710 [ 3679.561109][ T74] netlink_sendmsg+0x723/0xbe0 [ 3679.561109][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3679.561109][ T74] ___sys_sendmsg+0xee/0x170 [ 3679.561109][ T74] __sys_sendmsg+0xcd/0x170 [ 3679.561109][ T74] do_syscall_64+0xc6/0x1e0 [ 3679.561109][ T74] [ 3679.563144][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3679.563144][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3679.563144][ T74] ipv6_find_idev+0x102/0x170 [ 3679.563144][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3679.563144][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3679.563144][ T74] netlink_rcv_skb+0x130/0x360 [ 3679.563144][ T74] netlink_unicast+0x449/0x710 [ 3679.563144][ T74] netlink_sendmsg+0x723/0xbe0 [ 3679.563144][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3679.563144][ T74] ___sys_sendmsg+0xee/0x170 [ 3679.563144][ T74] __sys_sendmsg+0xcd/0x170 [ 3679.563144][ T74] do_syscall_64+0xc6/0x1e0 [ 3679.563144][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3679.563144][ T74] [ 3679.564890][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3679.564890][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3679.564890][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3679.564890][ T74] ipv6_find_idev+0x102/0x170 [ 3679.564890][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3679.564890][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3679.564890][ T74] netlink_rcv_skb+0x130/0x360 [ 3679.564890][ T74] netlink_unicast+0x449/0x710 [ 3679.564890][ T74] netlink_sendmsg+0x723/0xbe0 [ 3679.564890][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3679.564890][ T74] ___sys_sendmsg+0xee/0x170 [ 3679.564890][ T74] __sys_sendmsg+0xcd/0x170 [ 3679.564890][ T74] do_syscall_64+0xc6/0x1e0 [ 3679.564890][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3679.564890][ T74] [ 3679.566882][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3679.567201][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3679.567201][ T74] netdev_get_by_index+0x5e/0x80 [ 3679.567201][ T74] fib6_nh_init+0x3d8/0x1580 [ 3679.567201][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3679.567201][ T74] ip6_route_add+0x1c/0x140 [ 3679.567201][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3679.567201][ T74] inet6_addr_add+0x4f8/0xa40 [ 3679.567201][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3679.567201][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3679.567201][ T74] netlink_rcv_skb+0x130/0x360 [ 3679.567201][ T74] netlink_unicast+0x449/0x710 [ 3679.567201][ T74] netlink_sendmsg+0x723/0xbe0 [ 3679.567201][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3679.567201][ T74] ___sys_sendmsg+0xee/0x170 [ 3679.567201][ T74] __sys_sendmsg+0xcd/0x170 [ 3679.567201][ T74] do_syscall_64+0xc6/0x1e0 [ 3679.567201][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3679.567201][ T74] [ 3679.569458][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3679.569458][ T74] netdev_get_by_index+0x5e/0x80 [ 3679.569458][ T74] fib6_nh_init+0x3d8/0x1580 [ 3679.569458][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3679.569458][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3679.569458][ T74] ipv6_add_addr+0x411/0x2000 [ 3679.569458][ T74] inet6_addr_add+0x30e/0xa40 [ 3679.569458][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3679.569458][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3679.569458][ T74] netlink_rcv_skb+0x130/0x360 [ 3679.569458][ T74] netlink_unicast+0x449/0x710 [ 3679.569458][ T74] netlink_sendmsg+0x723/0xbe0 [ 3679.569458][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3679.569458][ T74] ___sys_sendmsg+0xee/0x170 [ 3679.569458][ T74] __sys_sendmsg+0xcd/0x170 [ 3679.569458][ T74] do_syscall_64+0xc6/0x1e0 [ 3679.569458][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3679.569458][ T74] [ 3679.571754][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3679.571754][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3679.571754][ T74] ipv6_find_idev+0x102/0x170 [ 3679.571754][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3679.571754][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3679.571754][ T74] netlink_rcv_skb+0x130/0x360 [ 3679.571754][ T74] netlink_unicast+0x449/0x710 [ 3679.571754][ T74] netlink_sendmsg+0x723/0xbe0 [ 3679.571754][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3679.571754][ T74] ___sys_sendmsg+0xee/0x170 [ 3679.571754][ T74] __sys_sendmsg+0xcd/0x170 [ 3679.571754][ T74] do_syscall_64+0xc6/0x1e0 [ 3679.571754][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3679.571754][ T74] [ 3679.573511][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3679.573511][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3679.573511][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3679.573511][ T74] ipv6_find_idev+0x102/0x170 [ 3679.573511][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3679.573511][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3679.573511][ T74] netlink_rcv_skb+0x130/0x360 [ 3679.573511][ T74] netlink_unicast+0x449/0x710 [ 3679.573511][ T74] netlink_sendmsg+0x723/0xbe0 [ 3679.573511][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3679.573511][ T74] ___sys_sendmsg+0xee/0x170 [ 3679.573511][ T74] __sys_sendmsg+0xcd/0x170 [ 3679.573511][ T74] do_syscall_64+0xc6/0x1e0 [ 3679.573511][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3679.573511][ T74] [ 3689.711944][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3689.712339][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3689.712339][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3689.712339][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3689.712339][ T74] fib6_nh_init+0xa22/0x1580 [ 3689.712339][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3689.712339][ T74] ip6_route_add+0x1c/0x140 [ 3689.712339][ T74] inet6_rtm_newroute+0x104/0x110 [ 3689.712339][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3689.712339][ T74] netlink_rcv_skb+0x130/0x360 [ 3689.712339][ T74] netlink_unicast+0x449/0x710 [ 3689.712339][ T74] netlink_sendmsg+0x723/0xbe0 [ 3689.712339][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3689.712339][ T74] ___sys_sendmsg+0xee/0x170 [ 3689.712339][ T74] __sys_sendmsg+0xcd/0x170 [ 3689.712339][ T74] do_syscall_64+0xc6/0x1e0 [ 3689.712339][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3689.712339][ T74] [ 3689.714277][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3689.714277][ T74] netdev_get_by_index+0x5e/0x80 [ 3689.714277][ T74] fib6_nh_init+0x3d8/0x1580 [ 3689.714277][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3689.714277][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3689.714277][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3689.714277][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3689.714277][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3689.714277][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3689.714277][ T74] addrconf_dad_begin+0x310/0x670 [ 3689.714277][ T74] addrconf_dad_work+0x10b/0xab0 [ 3689.714277][ T74] process_one_work+0x84d/0x18a0 [ 3689.714277][ T74] worker_thread+0x587/0xd30 [ 3689.714277][ T74] kthread+0x28a/0x350 [ 3689.714277][ T74] ret_from_fork+0x31/0x70 [ 3689.714277][ T74] ret_from_fork_asm+0x1a/0x30 [ 3689.714277][ T74] [ 3689.716226][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3689.716226][ T74] netdev_get_by_index+0x5e/0x80 [ 3689.716226][ T74] fib6_nh_init+0x3d8/0x1580 [ 3689.716226][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3689.716226][ T74] ip6_route_add+0x1c/0x140 [ 3689.716226][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3689.716226][ T74] inet6_addr_add+0x4f8/0xa40 [ 3689.716226][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3689.716226][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3689.716226][ T74] netlink_rcv_skb+0x130/0x360 [ 3689.716226][ T74] netlink_unicast+0x449/0x710 [ 3689.716226][ T74] netlink_sendmsg+0x723/0xbe0 [ 3689.716226][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3689.716226][ T74] ___sys_sendmsg+0xee/0x170 [ 3689.716226][ T74] __sys_sendmsg+0xcd/0x170 [ 3689.716226][ T74] do_syscall_64+0xc6/0x1e0 [ 3689.716226][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3689.716226][ T74] [ 3689.718265][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3689.718265][ T74] netdev_get_by_index+0x5e/0x80 [ 3689.718265][ T74] fib6_nh_init+0x3d8/0x1580 [ 3689.718265][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3689.718265][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3689.718265][ T74] ipv6_add_addr+0x411/0x2000 [ 3689.718265][ T74] inet6_addr_add+0x30e/0xa40 [ 3689.718265][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3689.718265][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3689.718265][ T74] netlink_rcv_skb+0x130/0x360 [ 3689.718265][ T74] netlink_unicast+0x449/0x710 [ 3689.718265][ T74] netlink_sendmsg+0x723/0xbe0 [ 3689.718265][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3689.718265][ T74] ___sys_sendmsg+0xee/0x170 [ 3689.718265][ T74] __sys_sendmsg+0xcd/0x170 [ 3689.718265][ T74] do_syscall_64+0xc6/0x1e0 [ 3689.718265][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3689.718265][ T74] [ 3689.720303][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3689.720303][ T74] netdev_get_by_index+0x5e/0x80 [ 3689.720303][ T74] fib6_nh_init+0x3d8/0x1580 [ 3689.720303][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3689.720303][ T74] ip6_route_add+0x1c/0x140 [ 3689.720303][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3689.720303][ T74] addrconf_add_dev+0xe2/0x170 [ 3689.720303][ T74] inet6_addr_add+0x12f/0xa40 [ 3689.720303][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3689.720303][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3689.720303][ T74] netlink_rcv_skb+0x130/0x360 [ 3689.720303][ T74] netlink_unicast+0x449/0x710 [ 3689.720303][ T74] netlink_sendmsg+0x723/0xbe0 [ 3689.720303][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3689.720303][ T74] ___sys_sendmsg+0xee/0x170 [ 3689.720303][ T74] __sys_sendmsg+0xcd/0x170 [ 3689.720303][ T74] do_syscall_64+0xc6/0x1e0 [ 3689.720303][ T74] [ 3689.722310][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3689.722310][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3689.722310][ T74] ipv6_find_idev+0x102/0x170 [ 3689.722310][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3689.722310][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3689.722310][ T74] netlink_rcv_skb+0x130/0x360 [ 3689.722310][ T74] netlink_unicast+0x449/0x710 [ 3689.722310][ T74] netlink_sendmsg+0x723/0xbe0 [ 3689.722310][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3689.722310][ T74] ___sys_sendmsg+0xee/0x170 [ 3689.722310][ T74] __sys_sendmsg+0xcd/0x170 [ 3689.722310][ T74] do_syscall_64+0xc6/0x1e0 [ 3689.722310][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3689.722310][ T74] [ 3689.723883][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3689.723883][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3689.723883][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3689.723883][ T74] ipv6_find_idev+0x102/0x170 [ 3689.723883][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3689.723883][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3689.723883][ T74] netlink_rcv_skb+0x130/0x360 [ 3689.723883][ T74] netlink_unicast+0x449/0x710 [ 3689.723883][ T74] netlink_sendmsg+0x723/0xbe0 [ 3689.723883][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3689.723883][ T74] ___sys_sendmsg+0xee/0x170 [ 3689.723883][ T74] __sys_sendmsg+0xcd/0x170 [ 3689.723883][ T74] do_syscall_64+0xc6/0x1e0 [ 3689.723883][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3689.723883][ T74] [ 3689.725636][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3689.725929][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3689.725929][ T74] dst_init+0x84/0x4a0 [ 3689.725929][ T74] dst_alloc+0x97/0x150 [ 3689.725929][ T74] ip6_dst_alloc+0x23/0x90 [ 3689.725929][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3689.725929][ T74] ip6_pol_route+0x56f/0x840 [ 3689.725929][ T74] fib6_rule_lookup+0x456/0x630 [ 3689.725929][ T74] ip6_route_input+0x59c/0xa50 [ 3689.725929][ T74] ipv6_rcv+0x397/0x810 [ 3689.725929][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3689.725929][ T74] process_backlog+0x101/0x620 [ 3689.725929][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3689.725929][ T74] net_rx_action+0x495/0xbe0 [ 3689.725929][ T74] __do_softirq+0x1b5/0x7f6 [ 3689.725929][ T74] [ 3689.727601][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3689.727601][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3689.727601][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3689.727601][ T74] fib6_nh_init+0xa22/0x1580 [ 3689.727601][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3689.727601][ T74] ip6_route_add+0x1c/0x140 [ 3689.727601][ T74] inet6_rtm_newroute+0x104/0x110 [ 3689.727601][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3689.727601][ T74] netlink_rcv_skb+0x130/0x360 [ 3689.727601][ T74] netlink_unicast+0x449/0x710 [ 3689.727601][ T74] netlink_sendmsg+0x723/0xbe0 [ 3689.727601][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3689.727601][ T74] ___sys_sendmsg+0xee/0x170 [ 3689.727601][ T74] __sys_sendmsg+0xcd/0x170 [ 3689.727601][ T74] do_syscall_64+0xc6/0x1e0 [ 3689.727601][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3689.727601][ T74] [ 3689.729635][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3689.729635][ T74] netdev_get_by_index+0x5e/0x80 [ 3689.729635][ T74] fib6_nh_init+0x3d8/0x1580 [ 3689.729635][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3689.729635][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3689.729635][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3689.729635][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3689.729635][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3689.729635][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3689.729635][ T74] addrconf_dad_begin+0x310/0x670 [ 3689.729635][ T74] addrconf_dad_work+0x10b/0xab0 [ 3689.729635][ T74] process_one_work+0x84d/0x18a0 [ 3689.729635][ T74] worker_thread+0x587/0xd30 [ 3689.729635][ T74] kthread+0x28a/0x350 [ 3689.729635][ T74] ret_from_fork+0x31/0x70 [ 3689.729635][ T74] ret_from_fork_asm+0x1a/0x30 [ 3689.729635][ T74] [ 3689.731702][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3689.731702][ T74] netdev_get_by_index+0x5e/0x80 [ 3689.731702][ T74] fib6_nh_init+0x3d8/0x1580 [ 3689.731702][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3689.731702][ T74] ip6_route_add+0x1c/0x140 [ 3689.731702][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3689.731702][ T74] inet6_addr_add+0x4f8/0xa40 [ 3689.731702][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3689.731702][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3689.731702][ T74] netlink_rcv_skb+0x130/0x360 [ 3689.731702][ T74] netlink_unicast+0x449/0x710 [ 3689.731702][ T74] netlink_sendmsg+0x723/0xbe0 [ 3689.731702][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3689.731702][ T74] ___sys_sendmsg+0xee/0x170 [ 3689.731702][ T74] __sys_sendmsg+0xcd/0x170 [ 3689.731702][ T74] do_syscall_64+0xc6/0x1e0 [ 3689.731702][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3689.731702][ T74] [ 3689.733854][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3689.733854][ T74] netdev_get_by_index+0x5e/0x80 [ 3689.733854][ T74] fib6_nh_init+0x3d8/0x1580 [ 3689.733854][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3689.733854][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3689.733854][ T74] ipv6_add_addr+0x411/0x2000 [ 3689.733854][ T74] inet6_addr_add+0x30e/0xa40 [ 3689.733854][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3689.733854][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3689.733854][ T74] netlink_rcv_skb+0x130/0x360 [ 3689.733854][ T74] netlink_unicast+0x449/0x710 [ 3689.733854][ T74] netlink_sendmsg+0x723/0xbe0 [ 3689.733854][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3689.733854][ T74] ___sys_sendmsg+0xee/0x170 [ 3689.733854][ T74] __sys_sendmsg+0xcd/0x170 [ 3689.733854][ T74] do_syscall_64+0xc6/0x1e0 [ 3689.733854][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3689.733854][ T74] [ 3689.735914][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3689.735914][ T74] netdev_get_by_index+0x5e/0x80 [ 3689.735914][ T74] fib6_nh_init+0x3d8/0x1580 [ 3689.735914][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3689.735914][ T74] ip6_route_add+0x1c/0x140 [ 3689.735914][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3689.735914][ T74] addrconf_add_dev+0xe2/0x170 [ 3689.735914][ T74] inet6_addr_add+0x12f/0xa40 [ 3689.735914][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3689.735914][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3689.735914][ T74] netlink_rcv_skb+0x130/0x360 [ 3689.735914][ T74] netlink_unicast+0x449/0x710 [ 3689.735914][ T74] netlink_sendmsg+0x723/0xbe0 [ 3689.735914][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3689.735914][ T74] ___sys_sendmsg+0xee/0x170 [ 3689.735914][ T74] __sys_sendmsg+0xcd/0x170 [ 3689.735914][ T74] do_syscall_64+0xc6/0x1e0 [ 3689.735914][ T74] [ 3689.737994][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3689.737994][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3689.737994][ T74] ipv6_find_idev+0x102/0x170 [ 3689.737994][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3689.737994][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3689.737994][ T74] netlink_rcv_skb+0x130/0x360 [ 3689.737994][ T74] netlink_unicast+0x449/0x710 [ 3689.737994][ T74] netlink_sendmsg+0x723/0xbe0 [ 3689.737994][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3689.737994][ T74] ___sys_sendmsg+0xee/0x170 [ 3689.737994][ T74] __sys_sendmsg+0xcd/0x170 [ 3689.737994][ T74] do_syscall_64+0xc6/0x1e0 [ 3689.737994][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3689.737994][ T74] [ 3689.739773][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3689.739773][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3689.739773][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3689.739773][ T74] ipv6_find_idev+0x102/0x170 [ 3689.739773][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3689.739773][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3689.739773][ T74] netlink_rcv_skb+0x130/0x360 [ 3689.739773][ T74] netlink_unicast+0x449/0x710 [ 3689.739773][ T74] netlink_sendmsg+0x723/0xbe0 [ 3689.739773][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3689.739773][ T74] ___sys_sendmsg+0xee/0x170 [ 3689.739773][ T74] __sys_sendmsg+0xcd/0x170 [ 3689.739773][ T74] do_syscall_64+0xc6/0x1e0 [ 3689.739773][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3689.739773][ T74] [ 3689.741761][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3689.742071][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3689.742071][ T74] netdev_get_by_index+0x5e/0x80 [ 3689.742071][ T74] fib6_nh_init+0x3d8/0x1580 [ 3689.742071][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3689.742071][ T74] ip6_route_add+0x1c/0x140 [ 3689.742071][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3689.742071][ T74] inet6_addr_add+0x4f8/0xa40 [ 3689.742071][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3689.742071][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3689.742071][ T74] netlink_rcv_skb+0x130/0x360 [ 3689.742071][ T74] netlink_unicast+0x449/0x710 [ 3689.742071][ T74] netlink_sendmsg+0x723/0xbe0 [ 3689.742071][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3689.742071][ T74] ___sys_sendmsg+0xee/0x170 [ 3689.742071][ T74] __sys_sendmsg+0xcd/0x170 [ 3689.742071][ T74] do_syscall_64+0xc6/0x1e0 [ 3689.742071][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3689.742071][ T74] [ 3689.744324][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3689.744324][ T74] netdev_get_by_index+0x5e/0x80 [ 3689.744324][ T74] fib6_nh_init+0x3d8/0x1580 [ 3689.744324][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3689.744324][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3689.744324][ T74] ipv6_add_addr+0x411/0x2000 [ 3689.744324][ T74] inet6_addr_add+0x30e/0xa40 [ 3689.744324][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3689.744324][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3689.744324][ T74] netlink_rcv_skb+0x130/0x360 [ 3689.744324][ T74] netlink_unicast+0x449/0x710 [ 3689.744324][ T74] netlink_sendmsg+0x723/0xbe0 [ 3689.744324][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3689.744324][ T74] ___sys_sendmsg+0xee/0x170 [ 3689.744324][ T74] __sys_sendmsg+0xcd/0x170 [ 3689.744324][ T74] do_syscall_64+0xc6/0x1e0 [ 3689.744324][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3689.744324][ T74] [ 3689.746740][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3689.746740][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3689.746740][ T74] ipv6_find_idev+0x102/0x170 [ 3689.746740][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3689.746740][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3689.746740][ T74] netlink_rcv_skb+0x130/0x360 [ 3689.746740][ T74] netlink_unicast+0x449/0x710 [ 3689.746740][ T74] netlink_sendmsg+0x723/0xbe0 [ 3689.746740][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3689.746740][ T74] ___sys_sendmsg+0xee/0x170 [ 3689.746740][ T74] __sys_sendmsg+0xcd/0x170 [ 3689.746740][ T74] do_syscall_64+0xc6/0x1e0 [ 3689.746740][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3689.746740][ T74] [ 3689.748597][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3689.748597][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3689.748597][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3689.748597][ T74] ipv6_find_idev+0x102/0x170 [ 3689.748597][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3689.748597][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3689.748597][ T74] netlink_rcv_skb+0x130/0x360 [ 3689.748597][ T74] netlink_unicast+0x449/0x710 [ 3689.748597][ T74] netlink_sendmsg+0x723/0xbe0 [ 3689.748597][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3689.748597][ T74] ___sys_sendmsg+0xee/0x170 [ 3689.748597][ T74] __sys_sendmsg+0xcd/0x170 [ 3689.748597][ T74] do_syscall_64+0xc6/0x1e0 [ 3689.748597][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3689.748597][ T74] [ 3699.991932][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3699.992403][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3699.992403][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3699.992403][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3699.992403][ T74] fib6_nh_init+0xa22/0x1580 [ 3699.992403][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3699.992403][ T74] ip6_route_add+0x1c/0x140 [ 3699.992403][ T74] inet6_rtm_newroute+0x104/0x110 [ 3699.992403][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3699.992403][ T74] netlink_rcv_skb+0x130/0x360 [ 3699.992403][ T74] netlink_unicast+0x449/0x710 [ 3699.992403][ T74] netlink_sendmsg+0x723/0xbe0 [ 3699.992403][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3699.992403][ T74] ___sys_sendmsg+0xee/0x170 [ 3699.992403][ T74] __sys_sendmsg+0xcd/0x170 [ 3699.992403][ T74] do_syscall_64+0xc6/0x1e0 [ 3699.992403][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3699.992403][ T74] [ 3699.994384][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3699.994384][ T74] netdev_get_by_index+0x5e/0x80 [ 3699.994384][ T74] fib6_nh_init+0x3d8/0x1580 [ 3699.994384][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3699.994384][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3699.994384][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3699.994384][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3699.994384][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3699.994384][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3699.994384][ T74] addrconf_dad_begin+0x310/0x670 [ 3699.994384][ T74] addrconf_dad_work+0x10b/0xab0 [ 3699.994384][ T74] process_one_work+0x84d/0x18a0 [ 3699.994384][ T74] worker_thread+0x587/0xd30 [ 3699.994384][ T74] kthread+0x28a/0x350 [ 3699.994384][ T74] ret_from_fork+0x31/0x70 [ 3699.994384][ T74] ret_from_fork_asm+0x1a/0x30 [ 3699.994384][ T74] [ 3699.996366][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3699.996366][ T74] netdev_get_by_index+0x5e/0x80 [ 3699.996366][ T74] fib6_nh_init+0x3d8/0x1580 [ 3699.996366][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3699.996366][ T74] ip6_route_add+0x1c/0x140 [ 3699.996366][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3699.996366][ T74] inet6_addr_add+0x4f8/0xa40 [ 3699.996366][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3699.996366][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3699.996366][ T74] netlink_rcv_skb+0x130/0x360 [ 3699.996366][ T74] netlink_unicast+0x449/0x710 [ 3699.996366][ T74] netlink_sendmsg+0x723/0xbe0 [ 3699.996366][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3699.996366][ T74] ___sys_sendmsg+0xee/0x170 [ 3699.996366][ T74] __sys_sendmsg+0xcd/0x170 [ 3699.996366][ T74] do_syscall_64+0xc6/0x1e0 [ 3699.996366][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3699.996366][ T74] [ 3699.998412][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3699.998412][ T74] netdev_get_by_index+0x5e/0x80 [ 3699.998412][ T74] fib6_nh_init+0x3d8/0x1580 [ 3699.998412][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3699.998412][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3699.998412][ T74] ipv6_add_addr+0x411/0x2000 [ 3699.998412][ T74] inet6_addr_add+0x30e/0xa40 [ 3699.998412][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3699.998412][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3699.998412][ T74] netlink_rcv_skb+0x130/0x360 [ 3699.998412][ T74] netlink_unicast+0x449/0x710 [ 3699.998412][ T74] netlink_sendmsg+0x723/0xbe0 [ 3699.998412][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3699.998412][ T74] ___sys_sendmsg+0xee/0x170 [ 3699.998412][ T74] __sys_sendmsg+0xcd/0x170 [ 3699.998412][ T74] do_syscall_64+0xc6/0x1e0 [ 3699.998412][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3699.998412][ T74] [ 3700.000479][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3700.000479][ T74] netdev_get_by_index+0x5e/0x80 [ 3700.000479][ T74] fib6_nh_init+0x3d8/0x1580 [ 3700.000479][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3700.000479][ T74] ip6_route_add+0x1c/0x140 [ 3700.000479][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3700.000479][ T74] addrconf_add_dev+0xe2/0x170 [ 3700.000479][ T74] inet6_addr_add+0x12f/0xa40 [ 3700.000479][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3700.000479][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3700.000479][ T74] netlink_rcv_skb+0x130/0x360 [ 3700.000479][ T74] netlink_unicast+0x449/0x710 [ 3700.000479][ T74] netlink_sendmsg+0x723/0xbe0 [ 3700.000479][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3700.000479][ T74] ___sys_sendmsg+0xee/0x170 [ 3700.000479][ T74] __sys_sendmsg+0xcd/0x170 [ 3700.000479][ T74] do_syscall_64+0xc6/0x1e0 [ 3700.000479][ T74] [ 3700.002531][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3700.002531][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3700.002531][ T74] ipv6_find_idev+0x102/0x170 [ 3700.002531][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3700.002531][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3700.002531][ T74] netlink_rcv_skb+0x130/0x360 [ 3700.002531][ T74] netlink_unicast+0x449/0x710 [ 3700.002531][ T74] netlink_sendmsg+0x723/0xbe0 [ 3700.002531][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3700.002531][ T74] ___sys_sendmsg+0xee/0x170 [ 3700.002531][ T74] __sys_sendmsg+0xcd/0x170 [ 3700.002531][ T74] do_syscall_64+0xc6/0x1e0 [ 3700.002531][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3700.002531][ T74] [ 3700.004103][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3700.004103][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3700.004103][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3700.004103][ T74] ipv6_find_idev+0x102/0x170 [ 3700.004103][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3700.004103][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3700.004103][ T74] netlink_rcv_skb+0x130/0x360 [ 3700.004103][ T74] netlink_unicast+0x449/0x710 [ 3700.004103][ T74] netlink_sendmsg+0x723/0xbe0 [ 3700.004103][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3700.004103][ T74] ___sys_sendmsg+0xee/0x170 [ 3700.004103][ T74] __sys_sendmsg+0xcd/0x170 [ 3700.004103][ T74] do_syscall_64+0xc6/0x1e0 [ 3700.004103][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3700.004103][ T74] [ 3700.005881][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3700.006159][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3700.006159][ T74] dst_init+0x84/0x4a0 [ 3700.006159][ T74] dst_alloc+0x97/0x150 [ 3700.006159][ T74] ip6_dst_alloc+0x23/0x90 [ 3700.006159][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3700.006159][ T74] ip6_pol_route+0x56f/0x840 [ 3700.006159][ T74] fib6_rule_lookup+0x456/0x630 [ 3700.006159][ T74] ip6_route_input+0x59c/0xa50 [ 3700.006159][ T74] ipv6_rcv+0x397/0x810 [ 3700.006159][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3700.006159][ T74] process_backlog+0x101/0x620 [ 3700.006159][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3700.006159][ T74] net_rx_action+0x495/0xbe0 [ 3700.006159][ T74] __do_softirq+0x1b5/0x7f6 [ 3700.006159][ T74] [ 3700.007840][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3700.007840][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3700.007840][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3700.007840][ T74] fib6_nh_init+0xa22/0x1580 [ 3700.007840][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3700.007840][ T74] ip6_route_add+0x1c/0x140 [ 3700.007840][ T74] inet6_rtm_newroute+0x104/0x110 [ 3700.007840][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3700.007840][ T74] netlink_rcv_skb+0x130/0x360 [ 3700.007840][ T74] netlink_unicast+0x449/0x710 [ 3700.007840][ T74] netlink_sendmsg+0x723/0xbe0 [ 3700.007840][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3700.007840][ T74] ___sys_sendmsg+0xee/0x170 [ 3700.007840][ T74] __sys_sendmsg+0xcd/0x170 [ 3700.007840][ T74] do_syscall_64+0xc6/0x1e0 [ 3700.007840][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3700.007840][ T74] [ 3700.009780][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3700.009780][ T74] netdev_get_by_index+0x5e/0x80 [ 3700.009780][ T74] fib6_nh_init+0x3d8/0x1580 [ 3700.009780][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3700.009780][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3700.009780][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3700.009780][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3700.009780][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3700.009780][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3700.009780][ T74] addrconf_dad_begin+0x310/0x670 [ 3700.009780][ T74] addrconf_dad_work+0x10b/0xab0 [ 3700.009780][ T74] process_one_work+0x84d/0x18a0 [ 3700.009780][ T74] worker_thread+0x587/0xd30 [ 3700.009780][ T74] kthread+0x28a/0x350 [ 3700.009780][ T74] ret_from_fork+0x31/0x70 [ 3700.009780][ T74] ret_from_fork_asm+0x1a/0x30 [ 3700.009780][ T74] [ 3700.011747][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3700.011747][ T74] netdev_get_by_index+0x5e/0x80 [ 3700.011747][ T74] fib6_nh_init+0x3d8/0x1580 [ 3700.011747][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3700.011747][ T74] ip6_route_add+0x1c/0x140 [ 3700.011747][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3700.011747][ T74] inet6_addr_add+0x4f8/0xa40 [ 3700.011747][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3700.011747][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3700.011747][ T74] netlink_rcv_skb+0x130/0x360 [ 3700.011747][ T74] netlink_unicast+0x449/0x710 [ 3700.011747][ T74] netlink_sendmsg+0x723/0xbe0 [ 3700.011747][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3700.011747][ T74] ___sys_sendmsg+0xee/0x170 [ 3700.011747][ T74] __sys_sendmsg+0xcd/0x170 [ 3700.011747][ T74] do_syscall_64+0xc6/0x1e0 [ 3700.011747][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3700.011747][ T74] [ 3700.013800][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3700.013800][ T74] netdev_get_by_index+0x5e/0x80 [ 3700.013800][ T74] fib6_nh_init+0x3d8/0x1580 [ 3700.013800][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3700.013800][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3700.013800][ T74] ipv6_add_addr+0x411/0x2000 [ 3700.013800][ T74] inet6_addr_add+0x30e/0xa40 [ 3700.013800][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3700.013800][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3700.013800][ T74] netlink_rcv_skb+0x130/0x360 [ 3700.013800][ T74] netlink_unicast+0x449/0x710 [ 3700.013800][ T74] netlink_sendmsg+0x723/0xbe0 [ 3700.013800][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3700.013800][ T74] ___sys_sendmsg+0xee/0x170 [ 3700.013800][ T74] __sys_sendmsg+0xcd/0x170 [ 3700.013800][ T74] do_syscall_64+0xc6/0x1e0 [ 3700.013800][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3700.013800][ T74] [ 3700.015830][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3700.015830][ T74] netdev_get_by_index+0x5e/0x80 [ 3700.015830][ T74] fib6_nh_init+0x3d8/0x1580 [ 3700.015830][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3700.015830][ T74] ip6_route_add+0x1c/0x140 [ 3700.015830][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3700.015830][ T74] addrconf_add_dev+0xe2/0x170 [ 3700.015830][ T74] inet6_addr_add+0x12f/0xa40 [ 3700.015830][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3700.015830][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3700.015830][ T74] netlink_rcv_skb+0x130/0x360 [ 3700.015830][ T74] netlink_unicast+0x449/0x710 [ 3700.015830][ T74] netlink_sendmsg+0x723/0xbe0 [ 3700.015830][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3700.015830][ T74] ___sys_sendmsg+0xee/0x170 [ 3700.015830][ T74] __sys_sendmsg+0xcd/0x170 [ 3700.015830][ T74] do_syscall_64+0xc6/0x1e0 [ 3700.015830][ T74] [ 3700.017854][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3700.017854][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3700.017854][ T74] ipv6_find_idev+0x102/0x170 [ 3700.017854][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3700.017854][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3700.017854][ T74] netlink_rcv_skb+0x130/0x360 [ 3700.017854][ T74] netlink_unicast+0x449/0x710 [ 3700.017854][ T74] netlink_sendmsg+0x723/0xbe0 [ 3700.017854][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3700.017854][ T74] ___sys_sendmsg+0xee/0x170 [ 3700.017854][ T74] __sys_sendmsg+0xcd/0x170 [ 3700.017854][ T74] do_syscall_64+0xc6/0x1e0 [ 3700.017854][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3700.017854][ T74] [ 3700.019636][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3700.019636][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3700.019636][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3700.019636][ T74] ipv6_find_idev+0x102/0x170 [ 3700.019636][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3700.019636][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3700.019636][ T74] netlink_rcv_skb+0x130/0x360 [ 3700.019636][ T74] netlink_unicast+0x449/0x710 [ 3700.019636][ T74] netlink_sendmsg+0x723/0xbe0 [ 3700.019636][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3700.019636][ T74] ___sys_sendmsg+0xee/0x170 [ 3700.019636][ T74] __sys_sendmsg+0xcd/0x170 [ 3700.019636][ T74] do_syscall_64+0xc6/0x1e0 [ 3700.019636][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3700.019636][ T74] [ 3700.021650][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3700.022006][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3700.022006][ T74] netdev_get_by_index+0x5e/0x80 [ 3700.022006][ T74] fib6_nh_init+0x3d8/0x1580 [ 3700.022006][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3700.022006][ T74] ip6_route_add+0x1c/0x140 [ 3700.022006][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3700.022006][ T74] inet6_addr_add+0x4f8/0xa40 [ 3700.022006][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3700.022006][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3700.022006][ T74] netlink_rcv_skb+0x130/0x360 [ 3700.022006][ T74] netlink_unicast+0x449/0x710 [ 3700.022006][ T74] netlink_sendmsg+0x723/0xbe0 [ 3700.022006][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3700.022006][ T74] ___sys_sendmsg+0xee/0x170 [ 3700.022006][ T74] __sys_sendmsg+0xcd/0x170 [ 3700.022006][ T74] do_syscall_64+0xc6/0x1e0 [ 3700.022006][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3700.022006][ T74] [ 3700.024250][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3700.024250][ T74] netdev_get_by_index+0x5e/0x80 [ 3700.024250][ T74] fib6_nh_init+0x3d8/0x1580 [ 3700.024250][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3700.024250][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3700.024250][ T74] ipv6_add_addr+0x411/0x2000 [ 3700.024250][ T74] inet6_addr_add+0x30e/0xa40 [ 3700.024250][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3700.024250][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3700.024250][ T74] netlink_rcv_skb+0x130/0x360 [ 3700.024250][ T74] netlink_unicast+0x449/0x710 [ 3700.024250][ T74] netlink_sendmsg+0x723/0xbe0 [ 3700.024250][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3700.024250][ T74] ___sys_sendmsg+0xee/0x170 [ 3700.024250][ T74] __sys_sendmsg+0xcd/0x170 [ 3700.024250][ T74] do_syscall_64+0xc6/0x1e0 [ 3700.024250][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3700.024250][ T74] [ 3700.026555][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3700.026555][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3700.026555][ T74] ipv6_find_idev+0x102/0x170 [ 3700.026555][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3700.026555][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3700.026555][ T74] netlink_rcv_skb+0x130/0x360 [ 3700.026555][ T74] netlink_unicast+0x449/0x710 [ 3700.026555][ T74] netlink_sendmsg+0x723/0xbe0 [ 3700.026555][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3700.026555][ T74] ___sys_sendmsg+0xee/0x170 [ 3700.026555][ T74] __sys_sendmsg+0xcd/0x170 [ 3700.026555][ T74] do_syscall_64+0xc6/0x1e0 [ 3700.026555][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3700.026555][ T74] [ 3700.028339][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3700.028339][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3700.028339][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3700.028339][ T74] ipv6_find_idev+0x102/0x170 [ 3700.028339][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3700.028339][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3700.028339][ T74] netlink_rcv_skb+0x130/0x360 [ 3700.028339][ T74] netlink_unicast+0x449/0x710 [ 3700.028339][ T74] netlink_sendmsg+0x723/0xbe0 [ 3700.028339][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3700.028339][ T74] ___sys_sendmsg+0xee/0x170 [ 3700.028339][ T74] __sys_sendmsg+0xcd/0x170 [ 3700.028339][ T74] do_syscall_64+0xc6/0x1e0 [ 3700.028339][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3700.028339][ T74] [ 3710.231914][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3710.232288][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3710.232288][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3710.232288][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3710.232288][ T74] fib6_nh_init+0xa22/0x1580 [ 3710.232288][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3710.232288][ T74] ip6_route_add+0x1c/0x140 [ 3710.232288][ T74] inet6_rtm_newroute+0x104/0x110 [ 3710.232288][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3710.232288][ T74] netlink_rcv_skb+0x130/0x360 [ 3710.232288][ T74] netlink_unicast+0x449/0x710 [ 3710.232288][ T74] netlink_sendmsg+0x723/0xbe0 [ 3710.232288][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3710.232288][ T74] ___sys_sendmsg+0xee/0x170 [ 3710.232288][ T74] __sys_sendmsg+0xcd/0x170 [ 3710.232288][ T74] do_syscall_64+0xc6/0x1e0 [ 3710.232288][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3710.232288][ T74] [ 3710.234223][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3710.234223][ T74] netdev_get_by_index+0x5e/0x80 [ 3710.234223][ T74] fib6_nh_init+0x3d8/0x1580 [ 3710.234223][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3710.234223][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3710.234223][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3710.234223][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3710.234223][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3710.234223][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3710.234223][ T74] addrconf_dad_begin+0x310/0x670 [ 3710.234223][ T74] addrconf_dad_work+0x10b/0xab0 [ 3710.234223][ T74] process_one_work+0x84d/0x18a0 [ 3710.234223][ T74] worker_thread+0x587/0xd30 [ 3710.234223][ T74] kthread+0x28a/0x350 [ 3710.234223][ T74] ret_from_fork+0x31/0x70 [ 3710.234223][ T74] ret_from_fork_asm+0x1a/0x30 [ 3710.234223][ T74] [ 3710.236176][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3710.236176][ T74] netdev_get_by_index+0x5e/0x80 [ 3710.236176][ T74] fib6_nh_init+0x3d8/0x1580 [ 3710.236176][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3710.236176][ T74] ip6_route_add+0x1c/0x140 [ 3710.236176][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3710.236176][ T74] inet6_addr_add+0x4f8/0xa40 [ 3710.236176][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3710.236176][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3710.236176][ T74] netlink_rcv_skb+0x130/0x360 [ 3710.236176][ T74] netlink_unicast+0x449/0x710 [ 3710.236176][ T74] netlink_sendmsg+0x723/0xbe0 [ 3710.236176][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3710.236176][ T74] ___sys_sendmsg+0xee/0x170 [ 3710.236176][ T74] __sys_sendmsg+0xcd/0x170 [ 3710.236176][ T74] do_syscall_64+0xc6/0x1e0 [ 3710.236176][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3710.236176][ T74] [ 3710.238757][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3710.238757][ T74] netdev_get_by_index+0x5e/0x80 [ 3710.238757][ T74] fib6_nh_init+0x3d8/0x1580 [ 3710.238757][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3710.238757][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3710.238757][ T74] ipv6_add_addr+0x411/0x2000 [ 3710.238757][ T74] inet6_addr_add+0x30e/0xa40 [ 3710.238757][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3710.238757][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3710.238757][ T74] netlink_rcv_skb+0x130/0x360 [ 3710.238757][ T74] netlink_unicast+0x449/0x710 [ 3710.238757][ T74] netlink_sendmsg+0x723/0xbe0 [ 3710.238757][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3710.238757][ T74] ___sys_sendmsg+0xee/0x170 [ 3710.238757][ T74] __sys_sendmsg+0xcd/0x170 [ 3710.238757][ T74] do_syscall_64+0xc6/0x1e0 [ 3710.238757][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3710.238757][ T74] [ 3710.240839][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3710.240839][ T74] netdev_get_by_index+0x5e/0x80 [ 3710.240839][ T74] fib6_nh_init+0x3d8/0x1580 [ 3710.240839][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3710.240839][ T74] ip6_route_add+0x1c/0x140 [ 3710.240839][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3710.240839][ T74] addrconf_add_dev+0xe2/0x170 [ 3710.240839][ T74] inet6_addr_add+0x12f/0xa40 [ 3710.240839][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3710.240839][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3710.240839][ T74] netlink_rcv_skb+0x130/0x360 [ 3710.240839][ T74] netlink_unicast+0x449/0x710 [ 3710.240839][ T74] netlink_sendmsg+0x723/0xbe0 [ 3710.240839][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3710.240839][ T74] ___sys_sendmsg+0xee/0x170 [ 3710.240839][ T74] __sys_sendmsg+0xcd/0x170 [ 3710.240839][ T74] do_syscall_64+0xc6/0x1e0 [ 3710.240839][ T74] [ 3710.242892][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3710.242892][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3710.242892][ T74] ipv6_find_idev+0x102/0x170 [ 3710.242892][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3710.242892][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3710.242892][ T74] netlink_rcv_skb+0x130/0x360 [ 3710.242892][ T74] netlink_unicast+0x449/0x710 [ 3710.242892][ T74] netlink_sendmsg+0x723/0xbe0 [ 3710.242892][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3710.242892][ T74] ___sys_sendmsg+0xee/0x170 [ 3710.242892][ T74] __sys_sendmsg+0xcd/0x170 [ 3710.242892][ T74] do_syscall_64+0xc6/0x1e0 [ 3710.242892][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3710.242892][ T74] [ 3710.244483][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3710.244483][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3710.244483][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3710.244483][ T74] ipv6_find_idev+0x102/0x170 [ 3710.244483][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3710.244483][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3710.244483][ T74] netlink_rcv_skb+0x130/0x360 [ 3710.244483][ T74] netlink_unicast+0x449/0x710 [ 3710.244483][ T74] netlink_sendmsg+0x723/0xbe0 [ 3710.244483][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3710.244483][ T74] ___sys_sendmsg+0xee/0x170 [ 3710.244483][ T74] __sys_sendmsg+0xcd/0x170 [ 3710.244483][ T74] do_syscall_64+0xc6/0x1e0 [ 3710.244483][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3710.244483][ T74] [ 3710.246250][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3710.246525][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3710.246525][ T74] dst_init+0x84/0x4a0 [ 3710.246525][ T74] dst_alloc+0x97/0x150 [ 3710.246525][ T74] ip6_dst_alloc+0x23/0x90 [ 3710.246525][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3710.246525][ T74] ip6_pol_route+0x56f/0x840 [ 3710.246525][ T74] fib6_rule_lookup+0x456/0x630 [ 3710.246525][ T74] ip6_route_input+0x59c/0xa50 [ 3710.246525][ T74] ipv6_rcv+0x397/0x810 [ 3710.246525][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3710.246525][ T74] process_backlog+0x101/0x620 [ 3710.246525][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3710.246525][ T74] net_rx_action+0x495/0xbe0 [ 3710.246525][ T74] __do_softirq+0x1b5/0x7f6 [ 3710.246525][ T74] [ 3710.248226][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3710.248226][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3710.248226][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3710.248226][ T74] fib6_nh_init+0xa22/0x1580 [ 3710.248226][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3710.248226][ T74] ip6_route_add+0x1c/0x140 [ 3710.248226][ T74] inet6_rtm_newroute+0x104/0x110 [ 3710.248226][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3710.248226][ T74] netlink_rcv_skb+0x130/0x360 [ 3710.248226][ T74] netlink_unicast+0x449/0x710 [ 3710.248226][ T74] netlink_sendmsg+0x723/0xbe0 [ 3710.248226][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3710.248226][ T74] ___sys_sendmsg+0xee/0x170 [ 3710.248226][ T74] __sys_sendmsg+0xcd/0x170 [ 3710.248226][ T74] do_syscall_64+0xc6/0x1e0 [ 3710.248226][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3710.248226][ T74] [ 3710.250168][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3710.250168][ T74] netdev_get_by_index+0x5e/0x80 [ 3710.250168][ T74] fib6_nh_init+0x3d8/0x1580 [ 3710.250168][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3710.250168][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3710.250168][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3710.250168][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3710.250168][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3710.250168][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3710.250168][ T74] addrconf_dad_begin+0x310/0x670 [ 3710.250168][ T74] addrconf_dad_work+0x10b/0xab0 [ 3710.250168][ T74] process_one_work+0x84d/0x18a0 [ 3710.250168][ T74] worker_thread+0x587/0xd30 [ 3710.250168][ T74] kthread+0x28a/0x350 [ 3710.250168][ T74] ret_from_fork+0x31/0x70 [ 3710.250168][ T74] ret_from_fork_asm+0x1a/0x30 [ 3710.250168][ T74] [ 3710.252495][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3710.252495][ T74] netdev_get_by_index+0x5e/0x80 [ 3710.252495][ T74] fib6_nh_init+0x3d8/0x1580 [ 3710.252495][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3710.252495][ T74] ip6_route_add+0x1c/0x140 [ 3710.252495][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3710.252495][ T74] inet6_addr_add+0x4f8/0xa40 [ 3710.252495][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3710.252495][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3710.252495][ T74] netlink_rcv_skb+0x130/0x360 [ 3710.252495][ T74] netlink_unicast+0x449/0x710 [ 3710.252495][ T74] netlink_sendmsg+0x723/0xbe0 [ 3710.252495][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3710.252495][ T74] ___sys_sendmsg+0xee/0x170 [ 3710.252495][ T74] __sys_sendmsg+0xcd/0x170 [ 3710.252495][ T74] do_syscall_64+0xc6/0x1e0 [ 3710.252495][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3710.252495][ T74] [ 3710.254508][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3710.254508][ T74] netdev_get_by_index+0x5e/0x80 [ 3710.254508][ T74] fib6_nh_init+0x3d8/0x1580 [ 3710.254508][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3710.254508][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3710.254508][ T74] ipv6_add_addr+0x411/0x2000 [ 3710.254508][ T74] inet6_addr_add+0x30e/0xa40 [ 3710.254508][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3710.254508][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3710.254508][ T74] netlink_rcv_skb+0x130/0x360 [ 3710.254508][ T74] netlink_unicast+0x449/0x710 [ 3710.254508][ T74] netlink_sendmsg+0x723/0xbe0 [ 3710.254508][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3710.254508][ T74] ___sys_sendmsg+0xee/0x170 [ 3710.254508][ T74] __sys_sendmsg+0xcd/0x170 [ 3710.254508][ T74] do_syscall_64+0xc6/0x1e0 [ 3710.254508][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3710.254508][ T74] [ 3710.256575][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3710.256575][ T74] netdev_get_by_index+0x5e/0x80 [ 3710.256575][ T74] fib6_nh_init+0x3d8/0x1580 [ 3710.256575][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3710.256575][ T74] ip6_route_add+0x1c/0x140 [ 3710.256575][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3710.256575][ T74] addrconf_add_dev+0xe2/0x170 [ 3710.256575][ T74] inet6_addr_add+0x12f/0xa40 [ 3710.256575][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3710.256575][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3710.256575][ T74] netlink_rcv_skb+0x130/0x360 [ 3710.256575][ T74] netlink_unicast+0x449/0x710 [ 3710.256575][ T74] netlink_sendmsg+0x723/0xbe0 [ 3710.256575][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3710.256575][ T74] ___sys_sendmsg+0xee/0x170 [ 3710.256575][ T74] __sys_sendmsg+0xcd/0x170 [ 3710.256575][ T74] do_syscall_64+0xc6/0x1e0 [ 3710.256575][ T74] [ 3710.258588][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3710.258588][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3710.258588][ T74] ipv6_find_idev+0x102/0x170 [ 3710.258588][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3710.258588][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3710.258588][ T74] netlink_rcv_skb+0x130/0x360 [ 3710.258588][ T74] netlink_unicast+0x449/0x710 [ 3710.258588][ T74] netlink_sendmsg+0x723/0xbe0 [ 3710.258588][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3710.258588][ T74] ___sys_sendmsg+0xee/0x170 [ 3710.258588][ T74] __sys_sendmsg+0xcd/0x170 [ 3710.258588][ T74] do_syscall_64+0xc6/0x1e0 [ 3710.258588][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3710.258588][ T74] [ 3710.260285][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3710.260285][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3710.260285][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3710.260285][ T74] ipv6_find_idev+0x102/0x170 [ 3710.260285][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3710.260285][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3710.260285][ T74] netlink_rcv_skb+0x130/0x360 [ 3710.260285][ T74] netlink_unicast+0x449/0x710 [ 3710.260285][ T74] netlink_sendmsg+0x723/0xbe0 [ 3710.260285][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3710.260285][ T74] ___sys_sendmsg+0xee/0x170 [ 3710.260285][ T74] __sys_sendmsg+0xcd/0x170 [ 3710.260285][ T74] do_syscall_64+0xc6/0x1e0 [ 3710.260285][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3710.260285][ T74] [ 3710.262179][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3710.262421][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3710.262421][ T74] netdev_get_by_index+0x5e/0x80 [ 3710.262421][ T74] fib6_nh_init+0x3d8/0x1580 [ 3710.262421][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3710.262421][ T74] ip6_route_add+0x1c/0x140 [ 3710.262421][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3710.262421][ T74] inet6_addr_add+0x4f8/0xa40 [ 3710.262421][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3710.262421][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3710.262421][ T74] netlink_rcv_skb+0x130/0x360 [ 3710.262421][ T74] netlink_unicast+0x449/0x710 [ 3710.262421][ T74] netlink_sendmsg+0x723/0xbe0 [ 3710.262421][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3710.262421][ T74] ___sys_sendmsg+0xee/0x170 [ 3710.262421][ T74] __sys_sendmsg+0xcd/0x170 [ 3710.262421][ T74] do_syscall_64+0xc6/0x1e0 [ 3710.262421][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3710.262421][ T74] [ 3710.264601][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3710.264601][ T74] netdev_get_by_index+0x5e/0x80 [ 3710.264601][ T74] fib6_nh_init+0x3d8/0x1580 [ 3710.264601][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3710.264601][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3710.264601][ T74] ipv6_add_addr+0x411/0x2000 [ 3710.264601][ T74] inet6_addr_add+0x30e/0xa40 [ 3710.264601][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3710.264601][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3710.264601][ T74] netlink_rcv_skb+0x130/0x360 [ 3710.264601][ T74] netlink_unicast+0x449/0x710 [ 3710.264601][ T74] netlink_sendmsg+0x723/0xbe0 [ 3710.264601][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3710.264601][ T74] ___sys_sendmsg+0xee/0x170 [ 3710.264601][ T74] __sys_sendmsg+0xcd/0x170 [ 3710.264601][ T74] do_syscall_64+0xc6/0x1e0 [ 3710.264601][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3710.264601][ T74] [ 3710.266752][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3710.266752][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3710.266752][ T74] ipv6_find_idev+0x102/0x170 [ 3710.266752][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3710.266752][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3710.266752][ T74] netlink_rcv_skb+0x130/0x360 [ 3710.266752][ T74] netlink_unicast+0x449/0x710 [ 3710.266752][ T74] netlink_sendmsg+0x723/0xbe0 [ 3710.266752][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3710.266752][ T74] ___sys_sendmsg+0xee/0x170 [ 3710.266752][ T74] __sys_sendmsg+0xcd/0x170 [ 3710.266752][ T74] do_syscall_64+0xc6/0x1e0 [ 3710.266752][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3710.266752][ T74] [ 3710.268377][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3710.268377][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3710.268377][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3710.268377][ T74] ipv6_find_idev+0x102/0x170 [ 3710.268377][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3710.268377][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3710.268377][ T74] netlink_rcv_skb+0x130/0x360 [ 3710.268377][ T74] netlink_unicast+0x449/0x710 [ 3710.268377][ T74] netlink_sendmsg+0x723/0xbe0 [ 3710.268377][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3710.268377][ T74] ___sys_sendmsg+0xee/0x170 [ 3710.268377][ T74] __sys_sendmsg+0xcd/0x170 [ 3710.268377][ T74] do_syscall_64+0xc6/0x1e0 [ 3710.268377][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3710.268377][ T74] [ 3720.513511][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3720.513893][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3720.513893][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3720.513893][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3720.513893][ T74] fib6_nh_init+0xa22/0x1580 [ 3720.513893][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3720.513893][ T74] ip6_route_add+0x1c/0x140 [ 3720.513893][ T74] inet6_rtm_newroute+0x104/0x110 [ 3720.513893][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3720.513893][ T74] netlink_rcv_skb+0x130/0x360 [ 3720.513893][ T74] netlink_unicast+0x449/0x710 [ 3720.513893][ T74] netlink_sendmsg+0x723/0xbe0 [ 3720.513893][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3720.513893][ T74] ___sys_sendmsg+0xee/0x170 [ 3720.513893][ T74] __sys_sendmsg+0xcd/0x170 [ 3720.513893][ T74] do_syscall_64+0xc6/0x1e0 [ 3720.513893][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3720.513893][ T74] [ 3720.515810][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3720.515810][ T74] netdev_get_by_index+0x5e/0x80 [ 3720.515810][ T74] fib6_nh_init+0x3d8/0x1580 [ 3720.515810][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3720.515810][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3720.515810][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3720.515810][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3720.515810][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3720.515810][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3720.515810][ T74] addrconf_dad_begin+0x310/0x670 [ 3720.515810][ T74] addrconf_dad_work+0x10b/0xab0 [ 3720.515810][ T74] process_one_work+0x84d/0x18a0 [ 3720.515810][ T74] worker_thread+0x587/0xd30 [ 3720.515810][ T74] kthread+0x28a/0x350 [ 3720.515810][ T74] ret_from_fork+0x31/0x70 [ 3720.515810][ T74] ret_from_fork_asm+0x1a/0x30 [ 3720.515810][ T74] [ 3720.517721][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3720.517721][ T74] netdev_get_by_index+0x5e/0x80 [ 3720.517721][ T74] fib6_nh_init+0x3d8/0x1580 [ 3720.517721][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3720.517721][ T74] ip6_route_add+0x1c/0x140 [ 3720.517721][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3720.517721][ T74] inet6_addr_add+0x4f8/0xa40 [ 3720.517721][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3720.517721][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3720.517721][ T74] netlink_rcv_skb+0x130/0x360 [ 3720.517721][ T74] netlink_unicast+0x449/0x710 [ 3720.517721][ T74] netlink_sendmsg+0x723/0xbe0 [ 3720.517721][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3720.517721][ T74] ___sys_sendmsg+0xee/0x170 [ 3720.517721][ T74] __sys_sendmsg+0xcd/0x170 [ 3720.517721][ T74] do_syscall_64+0xc6/0x1e0 [ 3720.517721][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3720.517721][ T74] [ 3720.519712][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3720.519712][ T74] netdev_get_by_index+0x5e/0x80 [ 3720.519712][ T74] fib6_nh_init+0x3d8/0x1580 [ 3720.519712][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3720.519712][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3720.519712][ T74] ipv6_add_addr+0x411/0x2000 [ 3720.519712][ T74] inet6_addr_add+0x30e/0xa40 [ 3720.519712][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3720.519712][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3720.519712][ T74] netlink_rcv_skb+0x130/0x360 [ 3720.519712][ T74] netlink_unicast+0x449/0x710 [ 3720.519712][ T74] netlink_sendmsg+0x723/0xbe0 [ 3720.519712][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3720.519712][ T74] ___sys_sendmsg+0xee/0x170 [ 3720.519712][ T74] __sys_sendmsg+0xcd/0x170 [ 3720.519712][ T74] do_syscall_64+0xc6/0x1e0 [ 3720.519712][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3720.519712][ T74] [ 3720.521721][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3720.521721][ T74] netdev_get_by_index+0x5e/0x80 [ 3720.521721][ T74] fib6_nh_init+0x3d8/0x1580 [ 3720.521721][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3720.521721][ T74] ip6_route_add+0x1c/0x140 [ 3720.521721][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3720.521721][ T74] addrconf_add_dev+0xe2/0x170 [ 3720.521721][ T74] inet6_addr_add+0x12f/0xa40 [ 3720.521721][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3720.521721][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3720.521721][ T74] netlink_rcv_skb+0x130/0x360 [ 3720.521721][ T74] netlink_unicast+0x449/0x710 [ 3720.521721][ T74] netlink_sendmsg+0x723/0xbe0 [ 3720.521721][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3720.521721][ T74] ___sys_sendmsg+0xee/0x170 [ 3720.521721][ T74] __sys_sendmsg+0xcd/0x170 [ 3720.521721][ T74] do_syscall_64+0xc6/0x1e0 [ 3720.521721][ T74] [ 3720.523687][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3720.523687][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3720.523687][ T74] ipv6_find_idev+0x102/0x170 [ 3720.523687][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3720.523687][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3720.523687][ T74] netlink_rcv_skb+0x130/0x360 [ 3720.523687][ T74] netlink_unicast+0x449/0x710 [ 3720.523687][ T74] netlink_sendmsg+0x723/0xbe0 [ 3720.523687][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3720.523687][ T74] ___sys_sendmsg+0xee/0x170 [ 3720.523687][ T74] __sys_sendmsg+0xcd/0x170 [ 3720.523687][ T74] do_syscall_64+0xc6/0x1e0 [ 3720.523687][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3720.523687][ T74] [ 3720.525222][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3720.525222][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3720.525222][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3720.525222][ T74] ipv6_find_idev+0x102/0x170 [ 3720.525222][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3720.525222][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3720.525222][ T74] netlink_rcv_skb+0x130/0x360 [ 3720.525222][ T74] netlink_unicast+0x449/0x710 [ 3720.525222][ T74] netlink_sendmsg+0x723/0xbe0 [ 3720.525222][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3720.525222][ T74] ___sys_sendmsg+0xee/0x170 [ 3720.525222][ T74] __sys_sendmsg+0xcd/0x170 [ 3720.525222][ T74] do_syscall_64+0xc6/0x1e0 [ 3720.525222][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3720.525222][ T74] [ 3720.526909][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3720.527189][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3720.527189][ T74] dst_init+0x84/0x4a0 [ 3720.527189][ T74] dst_alloc+0x97/0x150 [ 3720.527189][ T74] ip6_dst_alloc+0x23/0x90 [ 3720.527189][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3720.527189][ T74] ip6_pol_route+0x56f/0x840 [ 3720.527189][ T74] fib6_rule_lookup+0x456/0x630 [ 3720.527189][ T74] ip6_route_input+0x59c/0xa50 [ 3720.527189][ T74] ipv6_rcv+0x397/0x810 [ 3720.527189][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3720.527189][ T74] process_backlog+0x101/0x620 [ 3720.527189][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3720.527189][ T74] net_rx_action+0x495/0xbe0 [ 3720.527189][ T74] __do_softirq+0x1b5/0x7f6 [ 3720.527189][ T74] [ 3720.528821][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3720.528821][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3720.528821][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3720.528821][ T74] fib6_nh_init+0xa22/0x1580 [ 3720.528821][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3720.528821][ T74] ip6_route_add+0x1c/0x140 [ 3720.528821][ T74] inet6_rtm_newroute+0x104/0x110 [ 3720.528821][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3720.528821][ T74] netlink_rcv_skb+0x130/0x360 [ 3720.528821][ T74] netlink_unicast+0x449/0x710 [ 3720.528821][ T74] netlink_sendmsg+0x723/0xbe0 [ 3720.528821][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3720.528821][ T74] ___sys_sendmsg+0xee/0x170 [ 3720.528821][ T74] __sys_sendmsg+0xcd/0x170 [ 3720.528821][ T74] do_syscall_64+0xc6/0x1e0 [ 3720.528821][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3720.528821][ T74] [ 3720.530698][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3720.530698][ T74] netdev_get_by_index+0x5e/0x80 [ 3720.530698][ T74] fib6_nh_init+0x3d8/0x1580 [ 3720.530698][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3720.530698][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3720.530698][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3720.530698][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3720.530698][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3720.530698][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3720.530698][ T74] addrconf_dad_begin+0x310/0x670 [ 3720.530698][ T74] addrconf_dad_work+0x10b/0xab0 [ 3720.530698][ T74] process_one_work+0x84d/0x18a0 [ 3720.530698][ T74] worker_thread+0x587/0xd30 [ 3720.530698][ T74] kthread+0x28a/0x350 [ 3720.530698][ T74] ret_from_fork+0x31/0x70 [ 3720.530698][ T74] ret_from_fork_asm+0x1a/0x30 [ 3720.530698][ T74] [ 3720.532622][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3720.532622][ T74] netdev_get_by_index+0x5e/0x80 [ 3720.532622][ T74] fib6_nh_init+0x3d8/0x1580 [ 3720.532622][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3720.532622][ T74] ip6_route_add+0x1c/0x140 [ 3720.532622][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3720.532622][ T74] inet6_addr_add+0x4f8/0xa40 [ 3720.532622][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3720.532622][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3720.532622][ T74] netlink_rcv_skb+0x130/0x360 [ 3720.532622][ T74] netlink_unicast+0x449/0x710 [ 3720.532622][ T74] netlink_sendmsg+0x723/0xbe0 [ 3720.532622][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3720.532622][ T74] ___sys_sendmsg+0xee/0x170 [ 3720.532622][ T74] __sys_sendmsg+0xcd/0x170 [ 3720.532622][ T74] do_syscall_64+0xc6/0x1e0 [ 3720.532622][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3720.532622][ T74] [ 3720.534651][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3720.534651][ T74] netdev_get_by_index+0x5e/0x80 [ 3720.534651][ T74] fib6_nh_init+0x3d8/0x1580 [ 3720.534651][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3720.534651][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3720.534651][ T74] ipv6_add_addr+0x411/0x2000 [ 3720.534651][ T74] inet6_addr_add+0x30e/0xa40 [ 3720.534651][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3720.534651][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3720.534651][ T74] netlink_rcv_skb+0x130/0x360 [ 3720.534651][ T74] netlink_unicast+0x449/0x710 [ 3720.534651][ T74] netlink_sendmsg+0x723/0xbe0 [ 3720.534651][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3720.534651][ T74] ___sys_sendmsg+0xee/0x170 [ 3720.534651][ T74] __sys_sendmsg+0xcd/0x170 [ 3720.534651][ T74] do_syscall_64+0xc6/0x1e0 [ 3720.534651][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3720.534651][ T74] [ 3720.536653][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3720.536653][ T74] netdev_get_by_index+0x5e/0x80 [ 3720.536653][ T74] fib6_nh_init+0x3d8/0x1580 [ 3720.536653][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3720.536653][ T74] ip6_route_add+0x1c/0x140 [ 3720.536653][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3720.536653][ T74] addrconf_add_dev+0xe2/0x170 [ 3720.536653][ T74] inet6_addr_add+0x12f/0xa40 [ 3720.536653][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3720.536653][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3720.536653][ T74] netlink_rcv_skb+0x130/0x360 [ 3720.536653][ T74] netlink_unicast+0x449/0x710 [ 3720.536653][ T74] netlink_sendmsg+0x723/0xbe0 [ 3720.536653][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3720.536653][ T74] ___sys_sendmsg+0xee/0x170 [ 3720.536653][ T74] __sys_sendmsg+0xcd/0x170 [ 3720.536653][ T74] do_syscall_64+0xc6/0x1e0 [ 3720.536653][ T74] [ 3720.538672][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3720.538672][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3720.538672][ T74] ipv6_find_idev+0x102/0x170 [ 3720.538672][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3720.538672][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3720.538672][ T74] netlink_rcv_skb+0x130/0x360 [ 3720.538672][ T74] netlink_unicast+0x449/0x710 [ 3720.538672][ T74] netlink_sendmsg+0x723/0xbe0 [ 3720.538672][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3720.538672][ T74] ___sys_sendmsg+0xee/0x170 [ 3720.538672][ T74] __sys_sendmsg+0xcd/0x170 [ 3720.538672][ T74] do_syscall_64+0xc6/0x1e0 [ 3720.538672][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3720.538672][ T74] [ 3720.540438][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3720.540438][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3720.540438][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3720.540438][ T74] ipv6_find_idev+0x102/0x170 [ 3720.540438][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3720.540438][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3720.540438][ T74] netlink_rcv_skb+0x130/0x360 [ 3720.540438][ T74] netlink_unicast+0x449/0x710 [ 3720.540438][ T74] netlink_sendmsg+0x723/0xbe0 [ 3720.540438][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3720.540438][ T74] ___sys_sendmsg+0xee/0x170 [ 3720.540438][ T74] __sys_sendmsg+0xcd/0x170 [ 3720.540438][ T74] do_syscall_64+0xc6/0x1e0 [ 3720.540438][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3720.540438][ T74] [ 3720.542478][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3720.542727][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3720.542727][ T74] netdev_get_by_index+0x5e/0x80 [ 3720.542727][ T74] fib6_nh_init+0x3d8/0x1580 [ 3720.542727][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3720.542727][ T74] ip6_route_add+0x1c/0x140 [ 3720.542727][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3720.542727][ T74] inet6_addr_add+0x4f8/0xa40 [ 3720.542727][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3720.542727][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3720.542727][ T74] netlink_rcv_skb+0x130/0x360 [ 3720.542727][ T74] netlink_unicast+0x449/0x710 [ 3720.542727][ T74] netlink_sendmsg+0x723/0xbe0 [ 3720.542727][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3720.542727][ T74] ___sys_sendmsg+0xee/0x170 [ 3720.542727][ T74] __sys_sendmsg+0xcd/0x170 [ 3720.542727][ T74] do_syscall_64+0xc6/0x1e0 [ 3720.542727][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3720.542727][ T74] [ 3720.545198][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3720.545198][ T74] netdev_get_by_index+0x5e/0x80 [ 3720.545198][ T74] fib6_nh_init+0x3d8/0x1580 [ 3720.545198][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3720.545198][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3720.545198][ T74] ipv6_add_addr+0x411/0x2000 [ 3720.545198][ T74] inet6_addr_add+0x30e/0xa40 [ 3720.545198][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3720.545198][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3720.545198][ T74] netlink_rcv_skb+0x130/0x360 [ 3720.545198][ T74] netlink_unicast+0x449/0x710 [ 3720.545198][ T74] netlink_sendmsg+0x723/0xbe0 [ 3720.545198][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3720.545198][ T74] ___sys_sendmsg+0xee/0x170 [ 3720.545198][ T74] __sys_sendmsg+0xcd/0x170 [ 3720.545198][ T74] do_syscall_64+0xc6/0x1e0 [ 3720.545198][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3720.545198][ T74] [ 3720.547525][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3720.547525][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3720.547525][ T74] ipv6_find_idev+0x102/0x170 [ 3720.547525][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3720.547525][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3720.547525][ T74] netlink_rcv_skb+0x130/0x360 [ 3720.547525][ T74] netlink_unicast+0x449/0x710 [ 3720.547525][ T74] netlink_sendmsg+0x723/0xbe0 [ 3720.547525][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3720.547525][ T74] ___sys_sendmsg+0xee/0x170 [ 3720.547525][ T74] __sys_sendmsg+0xcd/0x170 [ 3720.547525][ T74] do_syscall_64+0xc6/0x1e0 [ 3720.547525][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3720.547525][ T74] [ 3720.549210][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3720.549210][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3720.549210][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3720.549210][ T74] ipv6_find_idev+0x102/0x170 [ 3720.549210][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3720.549210][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3720.549210][ T74] netlink_rcv_skb+0x130/0x360 [ 3720.549210][ T74] netlink_unicast+0x449/0x710 [ 3720.549210][ T74] netlink_sendmsg+0x723/0xbe0 [ 3720.549210][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3720.549210][ T74] ___sys_sendmsg+0xee/0x170 [ 3720.549210][ T74] __sys_sendmsg+0xcd/0x170 [ 3720.549210][ T74] do_syscall_64+0xc6/0x1e0 [ 3720.549210][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3720.549210][ T74] [ 3730.793538][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3730.794013][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3730.794013][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3730.794013][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3730.794013][ T74] fib6_nh_init+0xa22/0x1580 [ 3730.794013][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3730.794013][ T74] ip6_route_add+0x1c/0x140 [ 3730.794013][ T74] inet6_rtm_newroute+0x104/0x110 [ 3730.794013][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3730.794013][ T74] netlink_rcv_skb+0x130/0x360 [ 3730.794013][ T74] netlink_unicast+0x449/0x710 [ 3730.794013][ T74] netlink_sendmsg+0x723/0xbe0 [ 3730.794013][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3730.794013][ T74] ___sys_sendmsg+0xee/0x170 [ 3730.794013][ T74] __sys_sendmsg+0xcd/0x170 [ 3730.794013][ T74] do_syscall_64+0xc6/0x1e0 [ 3730.794013][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3730.794013][ T74] [ 3730.795915][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3730.795915][ T74] netdev_get_by_index+0x5e/0x80 [ 3730.795915][ T74] fib6_nh_init+0x3d8/0x1580 [ 3730.795915][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3730.795915][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3730.795915][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3730.795915][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3730.795915][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3730.795915][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3730.795915][ T74] addrconf_dad_begin+0x310/0x670 [ 3730.795915][ T74] addrconf_dad_work+0x10b/0xab0 [ 3730.795915][ T74] process_one_work+0x84d/0x18a0 [ 3730.795915][ T74] worker_thread+0x587/0xd30 [ 3730.795915][ T74] kthread+0x28a/0x350 [ 3730.795915][ T74] ret_from_fork+0x31/0x70 [ 3730.795915][ T74] ret_from_fork_asm+0x1a/0x30 [ 3730.795915][ T74] [ 3730.797832][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3730.797832][ T74] netdev_get_by_index+0x5e/0x80 [ 3730.797832][ T74] fib6_nh_init+0x3d8/0x1580 [ 3730.797832][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3730.797832][ T74] ip6_route_add+0x1c/0x140 [ 3730.797832][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3730.797832][ T74] inet6_addr_add+0x4f8/0xa40 [ 3730.797832][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3730.797832][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3730.797832][ T74] netlink_rcv_skb+0x130/0x360 [ 3730.797832][ T74] netlink_unicast+0x449/0x710 [ 3730.797832][ T74] netlink_sendmsg+0x723/0xbe0 [ 3730.797832][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3730.797832][ T74] ___sys_sendmsg+0xee/0x170 [ 3730.797832][ T74] __sys_sendmsg+0xcd/0x170 [ 3730.797832][ T74] do_syscall_64+0xc6/0x1e0 [ 3730.797832][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3730.797832][ T74] [ 3730.799825][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3730.799825][ T74] netdev_get_by_index+0x5e/0x80 [ 3730.799825][ T74] fib6_nh_init+0x3d8/0x1580 [ 3730.799825][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3730.799825][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3730.799825][ T74] ipv6_add_addr+0x411/0x2000 [ 3730.799825][ T74] inet6_addr_add+0x30e/0xa40 [ 3730.799825][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3730.799825][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3730.799825][ T74] netlink_rcv_skb+0x130/0x360 [ 3730.799825][ T74] netlink_unicast+0x449/0x710 [ 3730.799825][ T74] netlink_sendmsg+0x723/0xbe0 [ 3730.799825][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3730.799825][ T74] ___sys_sendmsg+0xee/0x170 [ 3730.799825][ T74] __sys_sendmsg+0xcd/0x170 [ 3730.799825][ T74] do_syscall_64+0xc6/0x1e0 [ 3730.799825][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3730.799825][ T74] [ 3730.801871][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3730.801871][ T74] netdev_get_by_index+0x5e/0x80 [ 3730.801871][ T74] fib6_nh_init+0x3d8/0x1580 [ 3730.801871][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3730.801871][ T74] ip6_route_add+0x1c/0x140 [ 3730.801871][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3730.801871][ T74] addrconf_add_dev+0xe2/0x170 [ 3730.801871][ T74] inet6_addr_add+0x12f/0xa40 [ 3730.801871][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3730.801871][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3730.801871][ T74] netlink_rcv_skb+0x130/0x360 [ 3730.801871][ T74] netlink_unicast+0x449/0x710 [ 3730.801871][ T74] netlink_sendmsg+0x723/0xbe0 [ 3730.801871][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3730.801871][ T74] ___sys_sendmsg+0xee/0x170 [ 3730.801871][ T74] __sys_sendmsg+0xcd/0x170 [ 3730.801871][ T74] do_syscall_64+0xc6/0x1e0 [ 3730.801871][ T74] [ 3730.803849][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3730.803849][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3730.803849][ T74] ipv6_find_idev+0x102/0x170 [ 3730.803849][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3730.803849][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3730.803849][ T74] netlink_rcv_skb+0x130/0x360 [ 3730.803849][ T74] netlink_unicast+0x449/0x710 [ 3730.803849][ T74] netlink_sendmsg+0x723/0xbe0 [ 3730.803849][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3730.803849][ T74] ___sys_sendmsg+0xee/0x170 [ 3730.803849][ T74] __sys_sendmsg+0xcd/0x170 [ 3730.803849][ T74] do_syscall_64+0xc6/0x1e0 [ 3730.803849][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3730.803849][ T74] [ 3730.805384][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3730.805384][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3730.805384][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3730.805384][ T74] ipv6_find_idev+0x102/0x170 [ 3730.805384][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3730.805384][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3730.805384][ T74] netlink_rcv_skb+0x130/0x360 [ 3730.805384][ T74] netlink_unicast+0x449/0x710 [ 3730.805384][ T74] netlink_sendmsg+0x723/0xbe0 [ 3730.805384][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3730.805384][ T74] ___sys_sendmsg+0xee/0x170 [ 3730.805384][ T74] __sys_sendmsg+0xcd/0x170 [ 3730.805384][ T74] do_syscall_64+0xc6/0x1e0 [ 3730.805384][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3730.805384][ T74] [ 3730.807077][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3730.807351][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3730.807351][ T74] dst_init+0x84/0x4a0 [ 3730.807351][ T74] dst_alloc+0x97/0x150 [ 3730.807351][ T74] ip6_dst_alloc+0x23/0x90 [ 3730.807351][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3730.807351][ T74] ip6_pol_route+0x56f/0x840 [ 3730.807351][ T74] fib6_rule_lookup+0x456/0x630 [ 3730.807351][ T74] ip6_route_input+0x59c/0xa50 [ 3730.807351][ T74] ipv6_rcv+0x397/0x810 [ 3730.807351][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3730.807351][ T74] process_backlog+0x101/0x620 [ 3730.807351][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3730.807351][ T74] net_rx_action+0x495/0xbe0 [ 3730.807351][ T74] __do_softirq+0x1b5/0x7f6 [ 3730.807351][ T74] [ 3730.809011][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3730.809011][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3730.809011][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3730.809011][ T74] fib6_nh_init+0xa22/0x1580 [ 3730.809011][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3730.809011][ T74] ip6_route_add+0x1c/0x140 [ 3730.809011][ T74] inet6_rtm_newroute+0x104/0x110 [ 3730.809011][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3730.809011][ T74] netlink_rcv_skb+0x130/0x360 [ 3730.809011][ T74] netlink_unicast+0x449/0x710 [ 3730.809011][ T74] netlink_sendmsg+0x723/0xbe0 [ 3730.809011][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3730.809011][ T74] ___sys_sendmsg+0xee/0x170 [ 3730.809011][ T74] __sys_sendmsg+0xcd/0x170 [ 3730.809011][ T74] do_syscall_64+0xc6/0x1e0 [ 3730.809011][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3730.809011][ T74] [ 3730.810880][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3730.810880][ T74] netdev_get_by_index+0x5e/0x80 [ 3730.810880][ T74] fib6_nh_init+0x3d8/0x1580 [ 3730.810880][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3730.810880][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3730.810880][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3730.810880][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3730.810880][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3730.810880][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3730.810880][ T74] addrconf_dad_begin+0x310/0x670 [ 3730.810880][ T74] addrconf_dad_work+0x10b/0xab0 [ 3730.810880][ T74] process_one_work+0x84d/0x18a0 [ 3730.810880][ T74] worker_thread+0x587/0xd30 [ 3730.810880][ T74] kthread+0x28a/0x350 [ 3730.810880][ T74] ret_from_fork+0x31/0x70 [ 3730.810880][ T74] ret_from_fork_asm+0x1a/0x30 [ 3730.810880][ T74] [ 3730.812812][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3730.812812][ T74] netdev_get_by_index+0x5e/0x80 [ 3730.812812][ T74] fib6_nh_init+0x3d8/0x1580 [ 3730.812812][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3730.812812][ T74] ip6_route_add+0x1c/0x140 [ 3730.812812][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3730.812812][ T74] inet6_addr_add+0x4f8/0xa40 [ 3730.812812][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3730.812812][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3730.812812][ T74] netlink_rcv_skb+0x130/0x360 [ 3730.812812][ T74] netlink_unicast+0x449/0x710 [ 3730.812812][ T74] netlink_sendmsg+0x723/0xbe0 [ 3730.812812][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3730.812812][ T74] ___sys_sendmsg+0xee/0x170 [ 3730.812812][ T74] __sys_sendmsg+0xcd/0x170 [ 3730.812812][ T74] do_syscall_64+0xc6/0x1e0 [ 3730.812812][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3730.812812][ T74] [ 3730.814960][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3730.814960][ T74] netdev_get_by_index+0x5e/0x80 [ 3730.814960][ T74] fib6_nh_init+0x3d8/0x1580 [ 3730.814960][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3730.814960][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3730.814960][ T74] ipv6_add_addr+0x411/0x2000 [ 3730.814960][ T74] inet6_addr_add+0x30e/0xa40 [ 3730.814960][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3730.814960][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3730.814960][ T74] netlink_rcv_skb+0x130/0x360 [ 3730.814960][ T74] netlink_unicast+0x449/0x710 [ 3730.814960][ T74] netlink_sendmsg+0x723/0xbe0 [ 3730.814960][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3730.814960][ T74] ___sys_sendmsg+0xee/0x170 [ 3730.814960][ T74] __sys_sendmsg+0xcd/0x170 [ 3730.814960][ T74] do_syscall_64+0xc6/0x1e0 [ 3730.814960][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3730.814960][ T74] [ 3730.817498][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3730.817498][ T74] netdev_get_by_index+0x5e/0x80 [ 3730.817498][ T74] fib6_nh_init+0x3d8/0x1580 [ 3730.817498][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3730.817498][ T74] ip6_route_add+0x1c/0x140 [ 3730.817498][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3730.817498][ T74] addrconf_add_dev+0xe2/0x170 [ 3730.817498][ T74] inet6_addr_add+0x12f/0xa40 [ 3730.817498][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3730.817498][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3730.817498][ T74] netlink_rcv_skb+0x130/0x360 [ 3730.817498][ T74] netlink_unicast+0x449/0x710 [ 3730.817498][ T74] netlink_sendmsg+0x723/0xbe0 [ 3730.817498][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3730.817498][ T74] ___sys_sendmsg+0xee/0x170 [ 3730.817498][ T74] __sys_sendmsg+0xcd/0x170 [ 3730.817498][ T74] do_syscall_64+0xc6/0x1e0 [ 3730.817498][ T74] [ 3730.819464][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3730.819464][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3730.819464][ T74] ipv6_find_idev+0x102/0x170 [ 3730.819464][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3730.819464][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3730.819464][ T74] netlink_rcv_skb+0x130/0x360 [ 3730.819464][ T74] netlink_unicast+0x449/0x710 [ 3730.819464][ T74] netlink_sendmsg+0x723/0xbe0 [ 3730.819464][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3730.819464][ T74] ___sys_sendmsg+0xee/0x170 [ 3730.819464][ T74] __sys_sendmsg+0xcd/0x170 [ 3730.819464][ T74] do_syscall_64+0xc6/0x1e0 [ 3730.819464][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3730.819464][ T74] [ 3730.821140][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3730.821140][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3730.821140][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3730.821140][ T74] ipv6_find_idev+0x102/0x170 [ 3730.821140][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3730.821140][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3730.821140][ T74] netlink_rcv_skb+0x130/0x360 [ 3730.821140][ T74] netlink_unicast+0x449/0x710 [ 3730.821140][ T74] netlink_sendmsg+0x723/0xbe0 [ 3730.821140][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3730.821140][ T74] ___sys_sendmsg+0xee/0x170 [ 3730.821140][ T74] __sys_sendmsg+0xcd/0x170 [ 3730.821140][ T74] do_syscall_64+0xc6/0x1e0 [ 3730.821140][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3730.821140][ T74] [ 3730.823049][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3730.823299][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3730.823299][ T74] netdev_get_by_index+0x5e/0x80 [ 3730.823299][ T74] fib6_nh_init+0x3d8/0x1580 [ 3730.823299][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3730.823299][ T74] ip6_route_add+0x1c/0x140 [ 3730.823299][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3730.823299][ T74] inet6_addr_add+0x4f8/0xa40 [ 3730.823299][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3730.823299][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3730.823299][ T74] netlink_rcv_skb+0x130/0x360 [ 3730.823299][ T74] netlink_unicast+0x449/0x710 [ 3730.823299][ T74] netlink_sendmsg+0x723/0xbe0 [ 3730.823299][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3730.823299][ T74] ___sys_sendmsg+0xee/0x170 [ 3730.823299][ T74] __sys_sendmsg+0xcd/0x170 [ 3730.823299][ T74] do_syscall_64+0xc6/0x1e0 [ 3730.823299][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3730.823299][ T74] [ 3730.825540][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3730.825540][ T74] netdev_get_by_index+0x5e/0x80 [ 3730.825540][ T74] fib6_nh_init+0x3d8/0x1580 [ 3730.825540][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3730.825540][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3730.825540][ T74] ipv6_add_addr+0x411/0x2000 [ 3730.825540][ T74] inet6_addr_add+0x30e/0xa40 [ 3730.825540][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3730.825540][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3730.825540][ T74] netlink_rcv_skb+0x130/0x360 [ 3730.825540][ T74] netlink_unicast+0x449/0x710 [ 3730.825540][ T74] netlink_sendmsg+0x723/0xbe0 [ 3730.825540][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3730.825540][ T74] ___sys_sendmsg+0xee/0x170 [ 3730.825540][ T74] __sys_sendmsg+0xcd/0x170 [ 3730.825540][ T74] do_syscall_64+0xc6/0x1e0 [ 3730.825540][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3730.825540][ T74] [ 3730.828168][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3730.828168][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3730.828168][ T74] ipv6_find_idev+0x102/0x170 [ 3730.828168][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3730.828168][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3730.828168][ T74] netlink_rcv_skb+0x130/0x360 [ 3730.828168][ T74] netlink_unicast+0x449/0x710 [ 3730.828168][ T74] netlink_sendmsg+0x723/0xbe0 [ 3730.828168][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3730.828168][ T74] ___sys_sendmsg+0xee/0x170 [ 3730.828168][ T74] __sys_sendmsg+0xcd/0x170 [ 3730.828168][ T74] do_syscall_64+0xc6/0x1e0 [ 3730.828168][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3730.828168][ T74] [ 3730.829905][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3730.829905][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3730.829905][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3730.829905][ T74] ipv6_find_idev+0x102/0x170 [ 3730.829905][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3730.829905][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3730.829905][ T74] netlink_rcv_skb+0x130/0x360 [ 3730.829905][ T74] netlink_unicast+0x449/0x710 [ 3730.829905][ T74] netlink_sendmsg+0x723/0xbe0 [ 3730.829905][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3730.829905][ T74] ___sys_sendmsg+0xee/0x170 [ 3730.829905][ T74] __sys_sendmsg+0xcd/0x170 [ 3730.829905][ T74] do_syscall_64+0xc6/0x1e0 [ 3730.829905][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3730.829905][ T74] [ 3741.071930][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3741.072388][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3741.072388][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3741.072388][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3741.072388][ T74] fib6_nh_init+0xa22/0x1580 [ 3741.072388][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3741.072388][ T74] ip6_route_add+0x1c/0x140 [ 3741.072388][ T74] inet6_rtm_newroute+0x104/0x110 [ 3741.072388][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3741.072388][ T74] netlink_rcv_skb+0x130/0x360 [ 3741.072388][ T74] netlink_unicast+0x449/0x710 [ 3741.072388][ T74] netlink_sendmsg+0x723/0xbe0 [ 3741.072388][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3741.072388][ T74] ___sys_sendmsg+0xee/0x170 [ 3741.072388][ T74] __sys_sendmsg+0xcd/0x170 [ 3741.072388][ T74] do_syscall_64+0xc6/0x1e0 [ 3741.072388][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3741.072388][ T74] [ 3741.074298][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3741.074298][ T74] netdev_get_by_index+0x5e/0x80 [ 3741.074298][ T74] fib6_nh_init+0x3d8/0x1580 [ 3741.074298][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3741.074298][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3741.074298][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3741.074298][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3741.074298][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3741.074298][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3741.074298][ T74] addrconf_dad_begin+0x310/0x670 [ 3741.074298][ T74] addrconf_dad_work+0x10b/0xab0 [ 3741.074298][ T74] process_one_work+0x84d/0x18a0 [ 3741.074298][ T74] worker_thread+0x587/0xd30 [ 3741.074298][ T74] kthread+0x28a/0x350 [ 3741.074298][ T74] ret_from_fork+0x31/0x70 [ 3741.074298][ T74] ret_from_fork_asm+0x1a/0x30 [ 3741.074298][ T74] [ 3741.076211][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3741.076211][ T74] netdev_get_by_index+0x5e/0x80 [ 3741.076211][ T74] fib6_nh_init+0x3d8/0x1580 [ 3741.076211][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3741.076211][ T74] ip6_route_add+0x1c/0x140 [ 3741.076211][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3741.076211][ T74] inet6_addr_add+0x4f8/0xa40 [ 3741.076211][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3741.076211][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3741.076211][ T74] netlink_rcv_skb+0x130/0x360 [ 3741.076211][ T74] netlink_unicast+0x449/0x710 [ 3741.076211][ T74] netlink_sendmsg+0x723/0xbe0 [ 3741.076211][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3741.076211][ T74] ___sys_sendmsg+0xee/0x170 [ 3741.076211][ T74] __sys_sendmsg+0xcd/0x170 [ 3741.076211][ T74] do_syscall_64+0xc6/0x1e0 [ 3741.076211][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3741.076211][ T74] [ 3741.078218][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3741.078218][ T74] netdev_get_by_index+0x5e/0x80 [ 3741.078218][ T74] fib6_nh_init+0x3d8/0x1580 [ 3741.078218][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3741.078218][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3741.078218][ T74] ipv6_add_addr+0x411/0x2000 [ 3741.078218][ T74] inet6_addr_add+0x30e/0xa40 [ 3741.078218][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3741.078218][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3741.078218][ T74] netlink_rcv_skb+0x130/0x360 [ 3741.078218][ T74] netlink_unicast+0x449/0x710 [ 3741.078218][ T74] netlink_sendmsg+0x723/0xbe0 [ 3741.078218][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3741.078218][ T74] ___sys_sendmsg+0xee/0x170 [ 3741.078218][ T74] __sys_sendmsg+0xcd/0x170 [ 3741.078218][ T74] do_syscall_64+0xc6/0x1e0 [ 3741.078218][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3741.078218][ T74] [ 3741.080244][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3741.080244][ T74] netdev_get_by_index+0x5e/0x80 [ 3741.080244][ T74] fib6_nh_init+0x3d8/0x1580 [ 3741.080244][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3741.080244][ T74] ip6_route_add+0x1c/0x140 [ 3741.080244][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3741.080244][ T74] addrconf_add_dev+0xe2/0x170 [ 3741.080244][ T74] inet6_addr_add+0x12f/0xa40 [ 3741.080244][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3741.080244][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3741.080244][ T74] netlink_rcv_skb+0x130/0x360 [ 3741.080244][ T74] netlink_unicast+0x449/0x710 [ 3741.080244][ T74] netlink_sendmsg+0x723/0xbe0 [ 3741.080244][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3741.080244][ T74] ___sys_sendmsg+0xee/0x170 [ 3741.080244][ T74] __sys_sendmsg+0xcd/0x170 [ 3741.080244][ T74] do_syscall_64+0xc6/0x1e0 [ 3741.080244][ T74] [ 3741.082245][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3741.082245][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3741.082245][ T74] ipv6_find_idev+0x102/0x170 [ 3741.082245][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3741.082245][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3741.082245][ T74] netlink_rcv_skb+0x130/0x360 [ 3741.082245][ T74] netlink_unicast+0x449/0x710 [ 3741.082245][ T74] netlink_sendmsg+0x723/0xbe0 [ 3741.082245][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3741.082245][ T74] ___sys_sendmsg+0xee/0x170 [ 3741.082245][ T74] __sys_sendmsg+0xcd/0x170 [ 3741.082245][ T74] do_syscall_64+0xc6/0x1e0 [ 3741.082245][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3741.082245][ T74] [ 3741.083803][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3741.083803][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3741.083803][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3741.083803][ T74] ipv6_find_idev+0x102/0x170 [ 3741.083803][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3741.083803][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3741.083803][ T74] netlink_rcv_skb+0x130/0x360 [ 3741.083803][ T74] netlink_unicast+0x449/0x710 [ 3741.083803][ T74] netlink_sendmsg+0x723/0xbe0 [ 3741.083803][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3741.083803][ T74] ___sys_sendmsg+0xee/0x170 [ 3741.083803][ T74] __sys_sendmsg+0xcd/0x170 [ 3741.083803][ T74] do_syscall_64+0xc6/0x1e0 [ 3741.083803][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3741.083803][ T74] [ 3741.085501][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3741.085777][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3741.085777][ T74] dst_init+0x84/0x4a0 [ 3741.085777][ T74] dst_alloc+0x97/0x150 [ 3741.085777][ T74] ip6_dst_alloc+0x23/0x90 [ 3741.085777][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3741.085777][ T74] ip6_pol_route+0x56f/0x840 [ 3741.085777][ T74] fib6_rule_lookup+0x456/0x630 [ 3741.085777][ T74] ip6_route_input+0x59c/0xa50 [ 3741.085777][ T74] ipv6_rcv+0x397/0x810 [ 3741.085777][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3741.085777][ T74] process_backlog+0x101/0x620 [ 3741.085777][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3741.085777][ T74] net_rx_action+0x495/0xbe0 [ 3741.085777][ T74] __do_softirq+0x1b5/0x7f6 [ 3741.085777][ T74] [ 3741.087819][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3741.087819][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3741.087819][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3741.087819][ T74] fib6_nh_init+0xa22/0x1580 [ 3741.087819][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3741.087819][ T74] ip6_route_add+0x1c/0x140 [ 3741.087819][ T74] inet6_rtm_newroute+0x104/0x110 [ 3741.087819][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3741.087819][ T74] netlink_rcv_skb+0x130/0x360 [ 3741.087819][ T74] netlink_unicast+0x449/0x710 [ 3741.087819][ T74] netlink_sendmsg+0x723/0xbe0 [ 3741.087819][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3741.087819][ T74] ___sys_sendmsg+0xee/0x170 [ 3741.087819][ T74] __sys_sendmsg+0xcd/0x170 [ 3741.087819][ T74] do_syscall_64+0xc6/0x1e0 [ 3741.087819][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3741.087819][ T74] [ 3741.089709][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3741.089709][ T74] netdev_get_by_index+0x5e/0x80 [ 3741.089709][ T74] fib6_nh_init+0x3d8/0x1580 [ 3741.089709][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3741.089709][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3741.089709][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3741.089709][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3741.089709][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3741.089709][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3741.089709][ T74] addrconf_dad_begin+0x310/0x670 [ 3741.089709][ T74] addrconf_dad_work+0x10b/0xab0 [ 3741.089709][ T74] process_one_work+0x84d/0x18a0 [ 3741.089709][ T74] worker_thread+0x587/0xd30 [ 3741.089709][ T74] kthread+0x28a/0x350 [ 3741.089709][ T74] ret_from_fork+0x31/0x70 [ 3741.089709][ T74] ret_from_fork_asm+0x1a/0x30 [ 3741.089709][ T74] [ 3741.091640][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3741.091640][ T74] netdev_get_by_index+0x5e/0x80 [ 3741.091640][ T74] fib6_nh_init+0x3d8/0x1580 [ 3741.091640][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3741.091640][ T74] ip6_route_add+0x1c/0x140 [ 3741.091640][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3741.091640][ T74] inet6_addr_add+0x4f8/0xa40 [ 3741.091640][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3741.091640][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3741.091640][ T74] netlink_rcv_skb+0x130/0x360 [ 3741.091640][ T74] netlink_unicast+0x449/0x710 [ 3741.091640][ T74] netlink_sendmsg+0x723/0xbe0 [ 3741.091640][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3741.091640][ T74] ___sys_sendmsg+0xee/0x170 [ 3741.091640][ T74] __sys_sendmsg+0xcd/0x170 [ 3741.091640][ T74] do_syscall_64+0xc6/0x1e0 [ 3741.091640][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3741.091640][ T74] [ 3741.093668][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3741.093668][ T74] netdev_get_by_index+0x5e/0x80 [ 3741.093668][ T74] fib6_nh_init+0x3d8/0x1580 [ 3741.093668][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3741.093668][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3741.093668][ T74] ipv6_add_addr+0x411/0x2000 [ 3741.093668][ T74] inet6_addr_add+0x30e/0xa40 [ 3741.093668][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3741.093668][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3741.093668][ T74] netlink_rcv_skb+0x130/0x360 [ 3741.093668][ T74] netlink_unicast+0x449/0x710 [ 3741.093668][ T74] netlink_sendmsg+0x723/0xbe0 [ 3741.093668][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3741.093668][ T74] ___sys_sendmsg+0xee/0x170 [ 3741.093668][ T74] __sys_sendmsg+0xcd/0x170 [ 3741.093668][ T74] do_syscall_64+0xc6/0x1e0 [ 3741.093668][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3741.093668][ T74] [ 3741.095685][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3741.095685][ T74] netdev_get_by_index+0x5e/0x80 [ 3741.095685][ T74] fib6_nh_init+0x3d8/0x1580 [ 3741.095685][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3741.095685][ T74] ip6_route_add+0x1c/0x140 [ 3741.095685][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3741.095685][ T74] addrconf_add_dev+0xe2/0x170 [ 3741.095685][ T74] inet6_addr_add+0x12f/0xa40 [ 3741.095685][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3741.095685][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3741.095685][ T74] netlink_rcv_skb+0x130/0x360 [ 3741.095685][ T74] netlink_unicast+0x449/0x710 [ 3741.095685][ T74] netlink_sendmsg+0x723/0xbe0 [ 3741.095685][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3741.095685][ T74] ___sys_sendmsg+0xee/0x170 [ 3741.095685][ T74] __sys_sendmsg+0xcd/0x170 [ 3741.095685][ T74] do_syscall_64+0xc6/0x1e0 [ 3741.095685][ T74] [ 3741.097656][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3741.097656][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3741.097656][ T74] ipv6_find_idev+0x102/0x170 [ 3741.097656][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3741.097656][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3741.097656][ T74] netlink_rcv_skb+0x130/0x360 [ 3741.097656][ T74] netlink_unicast+0x449/0x710 [ 3741.097656][ T74] netlink_sendmsg+0x723/0xbe0 [ 3741.097656][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3741.097656][ T74] ___sys_sendmsg+0xee/0x170 [ 3741.097656][ T74] __sys_sendmsg+0xcd/0x170 [ 3741.097656][ T74] do_syscall_64+0xc6/0x1e0 [ 3741.097656][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3741.097656][ T74] [ 3741.099269][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3741.099269][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3741.099269][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3741.099269][ T74] ipv6_find_idev+0x102/0x170 [ 3741.099269][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3741.099269][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3741.099269][ T74] netlink_rcv_skb+0x130/0x360 [ 3741.099269][ T74] netlink_unicast+0x449/0x710 [ 3741.099269][ T74] netlink_sendmsg+0x723/0xbe0 [ 3741.099269][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3741.099269][ T74] ___sys_sendmsg+0xee/0x170 [ 3741.099269][ T74] __sys_sendmsg+0xcd/0x170 [ 3741.099269][ T74] do_syscall_64+0xc6/0x1e0 [ 3741.099269][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3741.099269][ T74] [ 3741.101402][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3741.101647][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3741.101647][ T74] netdev_get_by_index+0x5e/0x80 [ 3741.101647][ T74] fib6_nh_init+0x3d8/0x1580 [ 3741.101647][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3741.101647][ T74] ip6_route_add+0x1c/0x140 [ 3741.101647][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3741.101647][ T74] inet6_addr_add+0x4f8/0xa40 [ 3741.101647][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3741.101647][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3741.101647][ T74] netlink_rcv_skb+0x130/0x360 [ 3741.101647][ T74] netlink_unicast+0x449/0x710 [ 3741.101647][ T74] netlink_sendmsg+0x723/0xbe0 [ 3741.101647][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3741.101647][ T74] ___sys_sendmsg+0xee/0x170 [ 3741.101647][ T74] __sys_sendmsg+0xcd/0x170 [ 3741.101647][ T74] do_syscall_64+0xc6/0x1e0 [ 3741.101647][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3741.101647][ T74] [ 3741.103915][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3741.103915][ T74] netdev_get_by_index+0x5e/0x80 [ 3741.103915][ T74] fib6_nh_init+0x3d8/0x1580 [ 3741.103915][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3741.103915][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3741.103915][ T74] ipv6_add_addr+0x411/0x2000 [ 3741.103915][ T74] inet6_addr_add+0x30e/0xa40 [ 3741.103915][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3741.103915][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3741.103915][ T74] netlink_rcv_skb+0x130/0x360 [ 3741.103915][ T74] netlink_unicast+0x449/0x710 [ 3741.103915][ T74] netlink_sendmsg+0x723/0xbe0 [ 3741.103915][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3741.103915][ T74] ___sys_sendmsg+0xee/0x170 [ 3741.103915][ T74] __sys_sendmsg+0xcd/0x170 [ 3741.103915][ T74] do_syscall_64+0xc6/0x1e0 [ 3741.103915][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3741.103915][ T74] [ 3741.106198][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3741.106198][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3741.106198][ T74] ipv6_find_idev+0x102/0x170 [ 3741.106198][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3741.106198][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3741.106198][ T74] netlink_rcv_skb+0x130/0x360 [ 3741.106198][ T74] netlink_unicast+0x449/0x710 [ 3741.106198][ T74] netlink_sendmsg+0x723/0xbe0 [ 3741.106198][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3741.106198][ T74] ___sys_sendmsg+0xee/0x170 [ 3741.106198][ T74] __sys_sendmsg+0xcd/0x170 [ 3741.106198][ T74] do_syscall_64+0xc6/0x1e0 [ 3741.106198][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3741.106198][ T74] [ 3741.107886][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3741.107886][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3741.107886][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3741.107886][ T74] ipv6_find_idev+0x102/0x170 [ 3741.107886][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3741.107886][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3741.107886][ T74] netlink_rcv_skb+0x130/0x360 [ 3741.107886][ T74] netlink_unicast+0x449/0x710 [ 3741.107886][ T74] netlink_sendmsg+0x723/0xbe0 [ 3741.107886][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3741.107886][ T74] ___sys_sendmsg+0xee/0x170 [ 3741.107886][ T74] __sys_sendmsg+0xcd/0x170 [ 3741.107886][ T74] do_syscall_64+0xc6/0x1e0 [ 3741.107886][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3741.107886][ T74] [ 3751.351902][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3751.352272][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3751.352272][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3751.352272][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3751.352272][ T74] fib6_nh_init+0xa22/0x1580 [ 3751.352272][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3751.352272][ T74] ip6_route_add+0x1c/0x140 [ 3751.352272][ T74] inet6_rtm_newroute+0x104/0x110 [ 3751.352272][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3751.352272][ T74] netlink_rcv_skb+0x130/0x360 [ 3751.352272][ T74] netlink_unicast+0x449/0x710 [ 3751.352272][ T74] netlink_sendmsg+0x723/0xbe0 [ 3751.352272][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3751.352272][ T74] ___sys_sendmsg+0xee/0x170 [ 3751.352272][ T74] __sys_sendmsg+0xcd/0x170 [ 3751.352272][ T74] do_syscall_64+0xc6/0x1e0 [ 3751.352272][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3751.352272][ T74] [ 3751.354195][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3751.354195][ T74] netdev_get_by_index+0x5e/0x80 [ 3751.354195][ T74] fib6_nh_init+0x3d8/0x1580 [ 3751.354195][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3751.354195][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3751.354195][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3751.354195][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3751.354195][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3751.354195][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3751.354195][ T74] addrconf_dad_begin+0x310/0x670 [ 3751.354195][ T74] addrconf_dad_work+0x10b/0xab0 [ 3751.354195][ T74] process_one_work+0x84d/0x18a0 [ 3751.354195][ T74] worker_thread+0x587/0xd30 [ 3751.354195][ T74] kthread+0x28a/0x350 [ 3751.354195][ T74] ret_from_fork+0x31/0x70 [ 3751.354195][ T74] ret_from_fork_asm+0x1a/0x30 [ 3751.354195][ T74] [ 3751.356207][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3751.356207][ T74] netdev_get_by_index+0x5e/0x80 [ 3751.356207][ T74] fib6_nh_init+0x3d8/0x1580 [ 3751.356207][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3751.356207][ T74] ip6_route_add+0x1c/0x140 [ 3751.356207][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3751.356207][ T74] inet6_addr_add+0x4f8/0xa40 [ 3751.356207][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3751.356207][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3751.356207][ T74] netlink_rcv_skb+0x130/0x360 [ 3751.356207][ T74] netlink_unicast+0x449/0x710 [ 3751.356207][ T74] netlink_sendmsg+0x723/0xbe0 [ 3751.356207][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3751.356207][ T74] ___sys_sendmsg+0xee/0x170 [ 3751.356207][ T74] __sys_sendmsg+0xcd/0x170 [ 3751.356207][ T74] do_syscall_64+0xc6/0x1e0 [ 3751.356207][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3751.356207][ T74] [ 3751.358203][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3751.358203][ T74] netdev_get_by_index+0x5e/0x80 [ 3751.358203][ T74] fib6_nh_init+0x3d8/0x1580 [ 3751.358203][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3751.358203][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3751.358203][ T74] ipv6_add_addr+0x411/0x2000 [ 3751.358203][ T74] inet6_addr_add+0x30e/0xa40 [ 3751.358203][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3751.358203][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3751.358203][ T74] netlink_rcv_skb+0x130/0x360 [ 3751.358203][ T74] netlink_unicast+0x449/0x710 [ 3751.358203][ T74] netlink_sendmsg+0x723/0xbe0 [ 3751.358203][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3751.358203][ T74] ___sys_sendmsg+0xee/0x170 [ 3751.358203][ T74] __sys_sendmsg+0xcd/0x170 [ 3751.358203][ T74] do_syscall_64+0xc6/0x1e0 [ 3751.358203][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3751.358203][ T74] [ 3751.360202][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3751.360202][ T74] netdev_get_by_index+0x5e/0x80 [ 3751.360202][ T74] fib6_nh_init+0x3d8/0x1580 [ 3751.360202][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3751.360202][ T74] ip6_route_add+0x1c/0x140 [ 3751.360202][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3751.360202][ T74] addrconf_add_dev+0xe2/0x170 [ 3751.360202][ T74] inet6_addr_add+0x12f/0xa40 [ 3751.360202][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3751.360202][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3751.360202][ T74] netlink_rcv_skb+0x130/0x360 [ 3751.360202][ T74] netlink_unicast+0x449/0x710 [ 3751.360202][ T74] netlink_sendmsg+0x723/0xbe0 [ 3751.360202][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3751.360202][ T74] ___sys_sendmsg+0xee/0x170 [ 3751.360202][ T74] __sys_sendmsg+0xcd/0x170 [ 3751.360202][ T74] do_syscall_64+0xc6/0x1e0 [ 3751.360202][ T74] [ 3751.362180][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3751.362180][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3751.362180][ T74] ipv6_find_idev+0x102/0x170 [ 3751.362180][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3751.362180][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3751.362180][ T74] netlink_rcv_skb+0x130/0x360 [ 3751.362180][ T74] netlink_unicast+0x449/0x710 [ 3751.362180][ T74] netlink_sendmsg+0x723/0xbe0 [ 3751.362180][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3751.362180][ T74] ___sys_sendmsg+0xee/0x170 [ 3751.362180][ T74] __sys_sendmsg+0xcd/0x170 [ 3751.362180][ T74] do_syscall_64+0xc6/0x1e0 [ 3751.362180][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3751.362180][ T74] [ 3751.363730][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3751.363730][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3751.363730][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3751.363730][ T74] ipv6_find_idev+0x102/0x170 [ 3751.363730][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3751.363730][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3751.363730][ T74] netlink_rcv_skb+0x130/0x360 [ 3751.363730][ T74] netlink_unicast+0x449/0x710 [ 3751.363730][ T74] netlink_sendmsg+0x723/0xbe0 [ 3751.363730][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3751.363730][ T74] ___sys_sendmsg+0xee/0x170 [ 3751.363730][ T74] __sys_sendmsg+0xcd/0x170 [ 3751.363730][ T74] do_syscall_64+0xc6/0x1e0 [ 3751.363730][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3751.363730][ T74] [ 3751.365429][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3751.365715][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3751.365715][ T74] dst_init+0x84/0x4a0 [ 3751.365715][ T74] dst_alloc+0x97/0x150 [ 3751.365715][ T74] ip6_dst_alloc+0x23/0x90 [ 3751.365715][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3751.365715][ T74] ip6_pol_route+0x56f/0x840 [ 3751.365715][ T74] fib6_rule_lookup+0x456/0x630 [ 3751.365715][ T74] ip6_route_input+0x59c/0xa50 [ 3751.365715][ T74] ipv6_rcv+0x397/0x810 [ 3751.365715][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3751.365715][ T74] process_backlog+0x101/0x620 [ 3751.365715][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3751.365715][ T74] net_rx_action+0x495/0xbe0 [ 3751.365715][ T74] __do_softirq+0x1b5/0x7f6 [ 3751.365715][ T74] [ 3751.367349][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3751.367349][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3751.367349][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3751.367349][ T74] fib6_nh_init+0xa22/0x1580 [ 3751.367349][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3751.367349][ T74] ip6_route_add+0x1c/0x140 [ 3751.367349][ T74] inet6_rtm_newroute+0x104/0x110 [ 3751.367349][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3751.367349][ T74] netlink_rcv_skb+0x130/0x360 [ 3751.367349][ T74] netlink_unicast+0x449/0x710 [ 3751.367349][ T74] netlink_sendmsg+0x723/0xbe0 [ 3751.367349][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3751.367349][ T74] ___sys_sendmsg+0xee/0x170 [ 3751.367349][ T74] __sys_sendmsg+0xcd/0x170 [ 3751.367349][ T74] do_syscall_64+0xc6/0x1e0 [ 3751.367349][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3751.367349][ T74] [ 3751.369235][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3751.369235][ T74] netdev_get_by_index+0x5e/0x80 [ 3751.369235][ T74] fib6_nh_init+0x3d8/0x1580 [ 3751.369235][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3751.369235][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3751.369235][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3751.369235][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3751.369235][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3751.369235][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3751.369235][ T74] addrconf_dad_begin+0x310/0x670 [ 3751.369235][ T74] addrconf_dad_work+0x10b/0xab0 [ 3751.369235][ T74] process_one_work+0x84d/0x18a0 [ 3751.369235][ T74] worker_thread+0x587/0xd30 [ 3751.369235][ T74] kthread+0x28a/0x350 [ 3751.369235][ T74] ret_from_fork+0x31/0x70 [ 3751.369235][ T74] ret_from_fork_asm+0x1a/0x30 [ 3751.369235][ T74] [ 3751.371160][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3751.371160][ T74] netdev_get_by_index+0x5e/0x80 [ 3751.371160][ T74] fib6_nh_init+0x3d8/0x1580 [ 3751.371160][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3751.371160][ T74] ip6_route_add+0x1c/0x140 [ 3751.371160][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3751.371160][ T74] inet6_addr_add+0x4f8/0xa40 [ 3751.371160][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3751.371160][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3751.371160][ T74] netlink_rcv_skb+0x130/0x360 [ 3751.371160][ T74] netlink_unicast+0x449/0x710 [ 3751.371160][ T74] netlink_sendmsg+0x723/0xbe0 [ 3751.371160][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3751.371160][ T74] ___sys_sendmsg+0xee/0x170 [ 3751.371160][ T74] __sys_sendmsg+0xcd/0x170 [ 3751.371160][ T74] do_syscall_64+0xc6/0x1e0 [ 3751.371160][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3751.371160][ T74] [ 3751.373156][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3751.373156][ T74] netdev_get_by_index+0x5e/0x80 [ 3751.373156][ T74] fib6_nh_init+0x3d8/0x1580 [ 3751.373156][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3751.373156][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3751.373156][ T74] ipv6_add_addr+0x411/0x2000 [ 3751.373156][ T74] inet6_addr_add+0x30e/0xa40 [ 3751.373156][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3751.373156][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3751.373156][ T74] netlink_rcv_skb+0x130/0x360 [ 3751.373156][ T74] netlink_unicast+0x449/0x710 [ 3751.373156][ T74] netlink_sendmsg+0x723/0xbe0 [ 3751.373156][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3751.373156][ T74] ___sys_sendmsg+0xee/0x170 [ 3751.373156][ T74] __sys_sendmsg+0xcd/0x170 [ 3751.373156][ T74] do_syscall_64+0xc6/0x1e0 [ 3751.373156][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3751.373156][ T74] [ 3751.375221][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3751.375221][ T74] netdev_get_by_index+0x5e/0x80 [ 3751.375221][ T74] fib6_nh_init+0x3d8/0x1580 [ 3751.375221][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3751.375221][ T74] ip6_route_add+0x1c/0x140 [ 3751.375221][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3751.375221][ T74] addrconf_add_dev+0xe2/0x170 [ 3751.375221][ T74] inet6_addr_add+0x12f/0xa40 [ 3751.375221][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3751.375221][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3751.375221][ T74] netlink_rcv_skb+0x130/0x360 [ 3751.375221][ T74] netlink_unicast+0x449/0x710 [ 3751.375221][ T74] netlink_sendmsg+0x723/0xbe0 [ 3751.375221][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3751.375221][ T74] ___sys_sendmsg+0xee/0x170 [ 3751.375221][ T74] __sys_sendmsg+0xcd/0x170 [ 3751.375221][ T74] do_syscall_64+0xc6/0x1e0 [ 3751.375221][ T74] [ 3751.377199][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3751.377199][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3751.377199][ T74] ipv6_find_idev+0x102/0x170 [ 3751.377199][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3751.377199][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3751.377199][ T74] netlink_rcv_skb+0x130/0x360 [ 3751.377199][ T74] netlink_unicast+0x449/0x710 [ 3751.377199][ T74] netlink_sendmsg+0x723/0xbe0 [ 3751.377199][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3751.377199][ T74] ___sys_sendmsg+0xee/0x170 [ 3751.377199][ T74] __sys_sendmsg+0xcd/0x170 [ 3751.377199][ T74] do_syscall_64+0xc6/0x1e0 [ 3751.377199][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3751.377199][ T74] [ 3751.378918][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3751.378918][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3751.378918][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3751.378918][ T74] ipv6_find_idev+0x102/0x170 [ 3751.378918][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3751.378918][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3751.378918][ T74] netlink_rcv_skb+0x130/0x360 [ 3751.378918][ T74] netlink_unicast+0x449/0x710 [ 3751.378918][ T74] netlink_sendmsg+0x723/0xbe0 [ 3751.378918][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3751.378918][ T74] ___sys_sendmsg+0xee/0x170 [ 3751.378918][ T74] __sys_sendmsg+0xcd/0x170 [ 3751.378918][ T74] do_syscall_64+0xc6/0x1e0 [ 3751.378918][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3751.378918][ T74] [ 3751.380784][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3751.381116][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3751.381116][ T74] netdev_get_by_index+0x5e/0x80 [ 3751.381116][ T74] fib6_nh_init+0x3d8/0x1580 [ 3751.381116][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3751.381116][ T74] ip6_route_add+0x1c/0x140 [ 3751.381116][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3751.381116][ T74] inet6_addr_add+0x4f8/0xa40 [ 3751.381116][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3751.381116][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3751.381116][ T74] netlink_rcv_skb+0x130/0x360 [ 3751.381116][ T74] netlink_unicast+0x449/0x710 [ 3751.381116][ T74] netlink_sendmsg+0x723/0xbe0 [ 3751.381116][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3751.381116][ T74] ___sys_sendmsg+0xee/0x170 [ 3751.381116][ T74] __sys_sendmsg+0xcd/0x170 [ 3751.381116][ T74] do_syscall_64+0xc6/0x1e0 [ 3751.381116][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3751.381116][ T74] [ 3751.383313][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3751.383313][ T74] netdev_get_by_index+0x5e/0x80 [ 3751.383313][ T74] fib6_nh_init+0x3d8/0x1580 [ 3751.383313][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3751.383313][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3751.383313][ T74] ipv6_add_addr+0x411/0x2000 [ 3751.383313][ T74] inet6_addr_add+0x30e/0xa40 [ 3751.383313][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3751.383313][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3751.383313][ T74] netlink_rcv_skb+0x130/0x360 [ 3751.383313][ T74] netlink_unicast+0x449/0x710 [ 3751.383313][ T74] netlink_sendmsg+0x723/0xbe0 [ 3751.383313][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3751.383313][ T74] ___sys_sendmsg+0xee/0x170 [ 3751.383313][ T74] __sys_sendmsg+0xcd/0x170 [ 3751.383313][ T74] do_syscall_64+0xc6/0x1e0 [ 3751.383313][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3751.383313][ T74] [ 3751.385619][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3751.385619][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3751.385619][ T74] ipv6_find_idev+0x102/0x170 [ 3751.385619][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3751.385619][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3751.385619][ T74] netlink_rcv_skb+0x130/0x360 [ 3751.385619][ T74] netlink_unicast+0x449/0x710 [ 3751.385619][ T74] netlink_sendmsg+0x723/0xbe0 [ 3751.385619][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3751.385619][ T74] ___sys_sendmsg+0xee/0x170 [ 3751.385619][ T74] __sys_sendmsg+0xcd/0x170 [ 3751.385619][ T74] do_syscall_64+0xc6/0x1e0 [ 3751.385619][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3751.385619][ T74] [ 3751.387293][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3751.387293][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3751.387293][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3751.387293][ T74] ipv6_find_idev+0x102/0x170 [ 3751.387293][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3751.387293][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3751.387293][ T74] netlink_rcv_skb+0x130/0x360 [ 3751.387293][ T74] netlink_unicast+0x449/0x710 [ 3751.387293][ T74] netlink_sendmsg+0x723/0xbe0 [ 3751.387293][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3751.387293][ T74] ___sys_sendmsg+0xee/0x170 [ 3751.387293][ T74] __sys_sendmsg+0xcd/0x170 [ 3751.387293][ T74] do_syscall_64+0xc6/0x1e0 [ 3751.387293][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3751.387293][ T74] [ 3761.631967][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3761.632407][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3761.632407][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3761.632407][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3761.632407][ T74] fib6_nh_init+0xa22/0x1580 [ 3761.632407][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3761.632407][ T74] ip6_route_add+0x1c/0x140 [ 3761.632407][ T74] inet6_rtm_newroute+0x104/0x110 [ 3761.632407][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3761.632407][ T74] netlink_rcv_skb+0x130/0x360 [ 3761.632407][ T74] netlink_unicast+0x449/0x710 [ 3761.632407][ T74] netlink_sendmsg+0x723/0xbe0 [ 3761.632407][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3761.632407][ T74] ___sys_sendmsg+0xee/0x170 [ 3761.632407][ T74] __sys_sendmsg+0xcd/0x170 [ 3761.632407][ T74] do_syscall_64+0xc6/0x1e0 [ 3761.632407][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3761.632407][ T74] [ 3761.634324][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3761.634324][ T74] netdev_get_by_index+0x5e/0x80 [ 3761.634324][ T74] fib6_nh_init+0x3d8/0x1580 [ 3761.634324][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3761.634324][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3761.634324][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3761.634324][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3761.634324][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3761.634324][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3761.634324][ T74] addrconf_dad_begin+0x310/0x670 [ 3761.634324][ T74] addrconf_dad_work+0x10b/0xab0 [ 3761.634324][ T74] process_one_work+0x84d/0x18a0 [ 3761.634324][ T74] worker_thread+0x587/0xd30 [ 3761.634324][ T74] kthread+0x28a/0x350 [ 3761.634324][ T74] ret_from_fork+0x31/0x70 [ 3761.634324][ T74] ret_from_fork_asm+0x1a/0x30 [ 3761.634324][ T74] [ 3761.636256][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3761.636256][ T74] netdev_get_by_index+0x5e/0x80 [ 3761.636256][ T74] fib6_nh_init+0x3d8/0x1580 [ 3761.636256][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3761.636256][ T74] ip6_route_add+0x1c/0x140 [ 3761.636256][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3761.636256][ T74] inet6_addr_add+0x4f8/0xa40 [ 3761.636256][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3761.636256][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3761.636256][ T74] netlink_rcv_skb+0x130/0x360 [ 3761.636256][ T74] netlink_unicast+0x449/0x710 [ 3761.636256][ T74] netlink_sendmsg+0x723/0xbe0 [ 3761.636256][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3761.636256][ T74] ___sys_sendmsg+0xee/0x170 [ 3761.636256][ T74] __sys_sendmsg+0xcd/0x170 [ 3761.636256][ T74] do_syscall_64+0xc6/0x1e0 [ 3761.636256][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3761.636256][ T74] [ 3761.638288][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3761.638288][ T74] netdev_get_by_index+0x5e/0x80 [ 3761.638288][ T74] fib6_nh_init+0x3d8/0x1580 [ 3761.638288][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3761.638288][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3761.638288][ T74] ipv6_add_addr+0x411/0x2000 [ 3761.638288][ T74] inet6_addr_add+0x30e/0xa40 [ 3761.638288][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3761.638288][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3761.638288][ T74] netlink_rcv_skb+0x130/0x360 [ 3761.638288][ T74] netlink_unicast+0x449/0x710 [ 3761.638288][ T74] netlink_sendmsg+0x723/0xbe0 [ 3761.638288][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3761.638288][ T74] ___sys_sendmsg+0xee/0x170 [ 3761.638288][ T74] __sys_sendmsg+0xcd/0x170 [ 3761.638288][ T74] do_syscall_64+0xc6/0x1e0 [ 3761.638288][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3761.638288][ T74] [ 3761.640316][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3761.640316][ T74] netdev_get_by_index+0x5e/0x80 [ 3761.640316][ T74] fib6_nh_init+0x3d8/0x1580 [ 3761.640316][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3761.640316][ T74] ip6_route_add+0x1c/0x140 [ 3761.640316][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3761.640316][ T74] addrconf_add_dev+0xe2/0x170 [ 3761.640316][ T74] inet6_addr_add+0x12f/0xa40 [ 3761.640316][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3761.640316][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3761.640316][ T74] netlink_rcv_skb+0x130/0x360 [ 3761.640316][ T74] netlink_unicast+0x449/0x710 [ 3761.640316][ T74] netlink_sendmsg+0x723/0xbe0 [ 3761.640316][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3761.640316][ T74] ___sys_sendmsg+0xee/0x170 [ 3761.640316][ T74] __sys_sendmsg+0xcd/0x170 [ 3761.640316][ T74] do_syscall_64+0xc6/0x1e0 [ 3761.640316][ T74] [ 3761.642299][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3761.642299][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3761.642299][ T74] ipv6_find_idev+0x102/0x170 [ 3761.642299][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3761.642299][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3761.642299][ T74] netlink_rcv_skb+0x130/0x360 [ 3761.642299][ T74] netlink_unicast+0x449/0x710 [ 3761.642299][ T74] netlink_sendmsg+0x723/0xbe0 [ 3761.642299][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3761.642299][ T74] ___sys_sendmsg+0xee/0x170 [ 3761.642299][ T74] __sys_sendmsg+0xcd/0x170 [ 3761.642299][ T74] do_syscall_64+0xc6/0x1e0 [ 3761.642299][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3761.642299][ T74] [ 3761.643866][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3761.643866][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3761.643866][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3761.643866][ T74] ipv6_find_idev+0x102/0x170 [ 3761.643866][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3761.643866][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3761.643866][ T74] netlink_rcv_skb+0x130/0x360 [ 3761.643866][ T74] netlink_unicast+0x449/0x710 [ 3761.643866][ T74] netlink_sendmsg+0x723/0xbe0 [ 3761.643866][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3761.643866][ T74] ___sys_sendmsg+0xee/0x170 [ 3761.643866][ T74] __sys_sendmsg+0xcd/0x170 [ 3761.643866][ T74] do_syscall_64+0xc6/0x1e0 [ 3761.643866][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3761.643866][ T74] [ 3761.645564][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3761.645838][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3761.645838][ T74] dst_init+0x84/0x4a0 [ 3761.645838][ T74] dst_alloc+0x97/0x150 [ 3761.645838][ T74] ip6_dst_alloc+0x23/0x90 [ 3761.645838][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3761.645838][ T74] ip6_pol_route+0x56f/0x840 [ 3761.645838][ T74] fib6_rule_lookup+0x456/0x630 [ 3761.645838][ T74] ip6_route_input+0x59c/0xa50 [ 3761.645838][ T74] ipv6_rcv+0x397/0x810 [ 3761.645838][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3761.645838][ T74] process_backlog+0x101/0x620 [ 3761.645838][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3761.645838][ T74] net_rx_action+0x495/0xbe0 [ 3761.645838][ T74] __do_softirq+0x1b5/0x7f6 [ 3761.645838][ T74] [ 3761.647473][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3761.647473][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3761.647473][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3761.647473][ T74] fib6_nh_init+0xa22/0x1580 [ 3761.647473][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3761.647473][ T74] ip6_route_add+0x1c/0x140 [ 3761.647473][ T74] inet6_rtm_newroute+0x104/0x110 [ 3761.647473][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3761.647473][ T74] netlink_rcv_skb+0x130/0x360 [ 3761.647473][ T74] netlink_unicast+0x449/0x710 [ 3761.647473][ T74] netlink_sendmsg+0x723/0xbe0 [ 3761.647473][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3761.647473][ T74] ___sys_sendmsg+0xee/0x170 [ 3761.647473][ T74] __sys_sendmsg+0xcd/0x170 [ 3761.647473][ T74] do_syscall_64+0xc6/0x1e0 [ 3761.647473][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3761.647473][ T74] [ 3761.649349][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3761.649349][ T74] netdev_get_by_index+0x5e/0x80 [ 3761.649349][ T74] fib6_nh_init+0x3d8/0x1580 [ 3761.649349][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3761.649349][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3761.649349][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3761.649349][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3761.649349][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3761.649349][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3761.649349][ T74] addrconf_dad_begin+0x310/0x670 [ 3761.649349][ T74] addrconf_dad_work+0x10b/0xab0 [ 3761.649349][ T74] process_one_work+0x84d/0x18a0 [ 3761.649349][ T74] worker_thread+0x587/0xd30 [ 3761.649349][ T74] kthread+0x28a/0x350 [ 3761.649349][ T74] ret_from_fork+0x31/0x70 [ 3761.649349][ T74] ret_from_fork_asm+0x1a/0x30 [ 3761.649349][ T74] [ 3761.651260][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3761.651260][ T74] netdev_get_by_index+0x5e/0x80 [ 3761.651260][ T74] fib6_nh_init+0x3d8/0x1580 [ 3761.651260][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3761.651260][ T74] ip6_route_add+0x1c/0x140 [ 3761.651260][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3761.651260][ T74] inet6_addr_add+0x4f8/0xa40 [ 3761.651260][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3761.651260][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3761.651260][ T74] netlink_rcv_skb+0x130/0x360 [ 3761.651260][ T74] netlink_unicast+0x449/0x710 [ 3761.651260][ T74] netlink_sendmsg+0x723/0xbe0 [ 3761.651260][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3761.651260][ T74] ___sys_sendmsg+0xee/0x170 [ 3761.651260][ T74] __sys_sendmsg+0xcd/0x170 [ 3761.651260][ T74] do_syscall_64+0xc6/0x1e0 [ 3761.651260][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3761.651260][ T74] [ 3761.653249][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3761.653249][ T74] netdev_get_by_index+0x5e/0x80 [ 3761.653249][ T74] fib6_nh_init+0x3d8/0x1580 [ 3761.653249][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3761.653249][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3761.653249][ T74] ipv6_add_addr+0x411/0x2000 [ 3761.653249][ T74] inet6_addr_add+0x30e/0xa40 [ 3761.653249][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3761.653249][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3761.653249][ T74] netlink_rcv_skb+0x130/0x360 [ 3761.653249][ T74] netlink_unicast+0x449/0x710 [ 3761.653249][ T74] netlink_sendmsg+0x723/0xbe0 [ 3761.653249][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3761.653249][ T74] ___sys_sendmsg+0xee/0x170 [ 3761.653249][ T74] __sys_sendmsg+0xcd/0x170 [ 3761.653249][ T74] do_syscall_64+0xc6/0x1e0 [ 3761.653249][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3761.653249][ T74] [ 3761.655257][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3761.655257][ T74] netdev_get_by_index+0x5e/0x80 [ 3761.655257][ T74] fib6_nh_init+0x3d8/0x1580 [ 3761.655257][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3761.655257][ T74] ip6_route_add+0x1c/0x140 [ 3761.655257][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3761.655257][ T74] addrconf_add_dev+0xe2/0x170 [ 3761.655257][ T74] inet6_addr_add+0x12f/0xa40 [ 3761.655257][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3761.655257][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3761.655257][ T74] netlink_rcv_skb+0x130/0x360 [ 3761.655257][ T74] netlink_unicast+0x449/0x710 [ 3761.655257][ T74] netlink_sendmsg+0x723/0xbe0 [ 3761.655257][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3761.655257][ T74] ___sys_sendmsg+0xee/0x170 [ 3761.655257][ T74] __sys_sendmsg+0xcd/0x170 [ 3761.655257][ T74] do_syscall_64+0xc6/0x1e0 [ 3761.655257][ T74] [ 3761.657215][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3761.657215][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3761.657215][ T74] ipv6_find_idev+0x102/0x170 [ 3761.657215][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3761.657215][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3761.657215][ T74] netlink_rcv_skb+0x130/0x360 [ 3761.657215][ T74] netlink_unicast+0x449/0x710 [ 3761.657215][ T74] netlink_sendmsg+0x723/0xbe0 [ 3761.657215][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3761.657215][ T74] ___sys_sendmsg+0xee/0x170 [ 3761.657215][ T74] __sys_sendmsg+0xcd/0x170 [ 3761.657215][ T74] do_syscall_64+0xc6/0x1e0 [ 3761.657215][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3761.657215][ T74] [ 3761.658942][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3761.658942][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3761.658942][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3761.658942][ T74] ipv6_find_idev+0x102/0x170 [ 3761.658942][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3761.658942][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3761.658942][ T74] netlink_rcv_skb+0x130/0x360 [ 3761.658942][ T74] netlink_unicast+0x449/0x710 [ 3761.658942][ T74] netlink_sendmsg+0x723/0xbe0 [ 3761.658942][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3761.658942][ T74] ___sys_sendmsg+0xee/0x170 [ 3761.658942][ T74] __sys_sendmsg+0xcd/0x170 [ 3761.658942][ T74] do_syscall_64+0xc6/0x1e0 [ 3761.658942][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3761.658942][ T74] [ 3761.660826][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3761.661151][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3761.661151][ T74] netdev_get_by_index+0x5e/0x80 [ 3761.661151][ T74] fib6_nh_init+0x3d8/0x1580 [ 3761.661151][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3761.661151][ T74] ip6_route_add+0x1c/0x140 [ 3761.661151][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3761.661151][ T74] inet6_addr_add+0x4f8/0xa40 [ 3761.661151][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3761.661151][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3761.661151][ T74] netlink_rcv_skb+0x130/0x360 [ 3761.661151][ T74] netlink_unicast+0x449/0x710 [ 3761.661151][ T74] netlink_sendmsg+0x723/0xbe0 [ 3761.661151][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3761.661151][ T74] ___sys_sendmsg+0xee/0x170 [ 3761.661151][ T74] __sys_sendmsg+0xcd/0x170 [ 3761.661151][ T74] do_syscall_64+0xc6/0x1e0 [ 3761.661151][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3761.661151][ T74] [ 3761.663338][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3761.663338][ T74] netdev_get_by_index+0x5e/0x80 [ 3761.663338][ T74] fib6_nh_init+0x3d8/0x1580 [ 3761.663338][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3761.663338][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3761.663338][ T74] ipv6_add_addr+0x411/0x2000 [ 3761.663338][ T74] inet6_addr_add+0x30e/0xa40 [ 3761.663338][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3761.663338][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3761.663338][ T74] netlink_rcv_skb+0x130/0x360 [ 3761.663338][ T74] netlink_unicast+0x449/0x710 [ 3761.663338][ T74] netlink_sendmsg+0x723/0xbe0 [ 3761.663338][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3761.663338][ T74] ___sys_sendmsg+0xee/0x170 [ 3761.663338][ T74] __sys_sendmsg+0xcd/0x170 [ 3761.663338][ T74] do_syscall_64+0xc6/0x1e0 [ 3761.663338][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3761.663338][ T74] [ 3761.665586][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3761.665586][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3761.665586][ T74] ipv6_find_idev+0x102/0x170 [ 3761.665586][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3761.665586][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3761.665586][ T74] netlink_rcv_skb+0x130/0x360 [ 3761.665586][ T74] netlink_unicast+0x449/0x710 [ 3761.665586][ T74] netlink_sendmsg+0x723/0xbe0 [ 3761.665586][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3761.665586][ T74] ___sys_sendmsg+0xee/0x170 [ 3761.665586][ T74] __sys_sendmsg+0xcd/0x170 [ 3761.665586][ T74] do_syscall_64+0xc6/0x1e0 [ 3761.665586][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3761.665586][ T74] [ 3761.667313][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3761.667313][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3761.667313][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3761.667313][ T74] ipv6_find_idev+0x102/0x170 [ 3761.667313][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3761.667313][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3761.667313][ T74] netlink_rcv_skb+0x130/0x360 [ 3761.667313][ T74] netlink_unicast+0x449/0x710 [ 3761.667313][ T74] netlink_sendmsg+0x723/0xbe0 [ 3761.667313][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3761.667313][ T74] ___sys_sendmsg+0xee/0x170 [ 3761.667313][ T74] __sys_sendmsg+0xcd/0x170 [ 3761.667313][ T74] do_syscall_64+0xc6/0x1e0 [ 3761.667313][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3761.667313][ T74] [ 3771.911907][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3771.912350][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3771.912350][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3771.912350][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3771.912350][ T74] fib6_nh_init+0xa22/0x1580 [ 3771.912350][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3771.912350][ T74] ip6_route_add+0x1c/0x140 [ 3771.912350][ T74] inet6_rtm_newroute+0x104/0x110 [ 3771.912350][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3771.912350][ T74] netlink_rcv_skb+0x130/0x360 [ 3771.912350][ T74] netlink_unicast+0x449/0x710 [ 3771.912350][ T74] netlink_sendmsg+0x723/0xbe0 [ 3771.912350][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3771.912350][ T74] ___sys_sendmsg+0xee/0x170 [ 3771.912350][ T74] __sys_sendmsg+0xcd/0x170 [ 3771.912350][ T74] do_syscall_64+0xc6/0x1e0 [ 3771.912350][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3771.912350][ T74] [ 3771.914278][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3771.914278][ T74] netdev_get_by_index+0x5e/0x80 [ 3771.914278][ T74] fib6_nh_init+0x3d8/0x1580 [ 3771.914278][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3771.914278][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3771.914278][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3771.914278][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3771.914278][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3771.914278][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3771.914278][ T74] addrconf_dad_begin+0x310/0x670 [ 3771.914278][ T74] addrconf_dad_work+0x10b/0xab0 [ 3771.914278][ T74] process_one_work+0x84d/0x18a0 [ 3771.914278][ T74] worker_thread+0x587/0xd30 [ 3771.914278][ T74] kthread+0x28a/0x350 [ 3771.914278][ T74] ret_from_fork+0x31/0x70 [ 3771.914278][ T74] ret_from_fork_asm+0x1a/0x30 [ 3771.914278][ T74] [ 3771.916334][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3771.916334][ T74] netdev_get_by_index+0x5e/0x80 [ 3771.916334][ T74] fib6_nh_init+0x3d8/0x1580 [ 3771.916334][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3771.916334][ T74] ip6_route_add+0x1c/0x140 [ 3771.916334][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3771.916334][ T74] inet6_addr_add+0x4f8/0xa40 [ 3771.916334][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3771.916334][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3771.916334][ T74] netlink_rcv_skb+0x130/0x360 [ 3771.916334][ T74] netlink_unicast+0x449/0x710 [ 3771.916334][ T74] netlink_sendmsg+0x723/0xbe0 [ 3771.916334][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3771.916334][ T74] ___sys_sendmsg+0xee/0x170 [ 3771.916334][ T74] __sys_sendmsg+0xcd/0x170 [ 3771.916334][ T74] do_syscall_64+0xc6/0x1e0 [ 3771.916334][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3771.916334][ T74] [ 3771.918334][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3771.918334][ T74] netdev_get_by_index+0x5e/0x80 [ 3771.918334][ T74] fib6_nh_init+0x3d8/0x1580 [ 3771.918334][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3771.918334][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3771.918334][ T74] ipv6_add_addr+0x411/0x2000 [ 3771.918334][ T74] inet6_addr_add+0x30e/0xa40 [ 3771.918334][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3771.918334][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3771.918334][ T74] netlink_rcv_skb+0x130/0x360 [ 3771.918334][ T74] netlink_unicast+0x449/0x710 [ 3771.918334][ T74] netlink_sendmsg+0x723/0xbe0 [ 3771.918334][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3771.918334][ T74] ___sys_sendmsg+0xee/0x170 [ 3771.918334][ T74] __sys_sendmsg+0xcd/0x170 [ 3771.918334][ T74] do_syscall_64+0xc6/0x1e0 [ 3771.918334][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3771.918334][ T74] [ 3771.920333][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3771.920333][ T74] netdev_get_by_index+0x5e/0x80 [ 3771.920333][ T74] fib6_nh_init+0x3d8/0x1580 [ 3771.920333][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3771.920333][ T74] ip6_route_add+0x1c/0x140 [ 3771.920333][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3771.920333][ T74] addrconf_add_dev+0xe2/0x170 [ 3771.920333][ T74] inet6_addr_add+0x12f/0xa40 [ 3771.920333][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3771.920333][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3771.920333][ T74] netlink_rcv_skb+0x130/0x360 [ 3771.920333][ T74] netlink_unicast+0x449/0x710 [ 3771.920333][ T74] netlink_sendmsg+0x723/0xbe0 [ 3771.920333][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3771.920333][ T74] ___sys_sendmsg+0xee/0x170 [ 3771.920333][ T74] __sys_sendmsg+0xcd/0x170 [ 3771.920333][ T74] do_syscall_64+0xc6/0x1e0 [ 3771.920333][ T74] [ 3771.922313][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3771.922313][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3771.922313][ T74] ipv6_find_idev+0x102/0x170 [ 3771.922313][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3771.922313][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3771.922313][ T74] netlink_rcv_skb+0x130/0x360 [ 3771.922313][ T74] netlink_unicast+0x449/0x710 [ 3771.922313][ T74] netlink_sendmsg+0x723/0xbe0 [ 3771.922313][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3771.922313][ T74] ___sys_sendmsg+0xee/0x170 [ 3771.922313][ T74] __sys_sendmsg+0xcd/0x170 [ 3771.922313][ T74] do_syscall_64+0xc6/0x1e0 [ 3771.922313][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3771.922313][ T74] [ 3771.923853][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3771.923853][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3771.923853][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3771.923853][ T74] ipv6_find_idev+0x102/0x170 [ 3771.923853][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3771.923853][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3771.923853][ T74] netlink_rcv_skb+0x130/0x360 [ 3771.923853][ T74] netlink_unicast+0x449/0x710 [ 3771.923853][ T74] netlink_sendmsg+0x723/0xbe0 [ 3771.923853][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3771.923853][ T74] ___sys_sendmsg+0xee/0x170 [ 3771.923853][ T74] __sys_sendmsg+0xcd/0x170 [ 3771.923853][ T74] do_syscall_64+0xc6/0x1e0 [ 3771.923853][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3771.923853][ T74] [ 3771.925557][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3771.925858][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3771.925858][ T74] dst_init+0x84/0x4a0 [ 3771.925858][ T74] dst_alloc+0x97/0x150 [ 3771.925858][ T74] ip6_dst_alloc+0x23/0x90 [ 3771.925858][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3771.925858][ T74] ip6_pol_route+0x56f/0x840 [ 3771.925858][ T74] fib6_rule_lookup+0x456/0x630 [ 3771.925858][ T74] ip6_route_input+0x59c/0xa50 [ 3771.925858][ T74] ipv6_rcv+0x397/0x810 [ 3771.925858][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3771.925858][ T74] process_backlog+0x101/0x620 [ 3771.925858][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3771.925858][ T74] net_rx_action+0x495/0xbe0 [ 3771.925858][ T74] __do_softirq+0x1b5/0x7f6 [ 3771.925858][ T74] [ 3771.927511][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3771.927511][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3771.927511][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3771.927511][ T74] fib6_nh_init+0xa22/0x1580 [ 3771.927511][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3771.927511][ T74] ip6_route_add+0x1c/0x140 [ 3771.927511][ T74] inet6_rtm_newroute+0x104/0x110 [ 3771.927511][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3771.927511][ T74] netlink_rcv_skb+0x130/0x360 [ 3771.927511][ T74] netlink_unicast+0x449/0x710 [ 3771.927511][ T74] netlink_sendmsg+0x723/0xbe0 [ 3771.927511][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3771.927511][ T74] ___sys_sendmsg+0xee/0x170 [ 3771.927511][ T74] __sys_sendmsg+0xcd/0x170 [ 3771.927511][ T74] do_syscall_64+0xc6/0x1e0 [ 3771.927511][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3771.927511][ T74] [ 3771.929394][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3771.929394][ T74] netdev_get_by_index+0x5e/0x80 [ 3771.929394][ T74] fib6_nh_init+0x3d8/0x1580 [ 3771.929394][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3771.929394][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3771.929394][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3771.929394][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3771.929394][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3771.929394][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3771.929394][ T74] addrconf_dad_begin+0x310/0x670 [ 3771.929394][ T74] addrconf_dad_work+0x10b/0xab0 [ 3771.929394][ T74] process_one_work+0x84d/0x18a0 [ 3771.929394][ T74] worker_thread+0x587/0xd30 [ 3771.929394][ T74] kthread+0x28a/0x350 [ 3771.929394][ T74] ret_from_fork+0x31/0x70 [ 3771.929394][ T74] ret_from_fork_asm+0x1a/0x30 [ 3771.929394][ T74] [ 3771.931343][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3771.931343][ T74] netdev_get_by_index+0x5e/0x80 [ 3771.931343][ T74] fib6_nh_init+0x3d8/0x1580 [ 3771.931343][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3771.931343][ T74] ip6_route_add+0x1c/0x140 [ 3771.931343][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3771.931343][ T74] inet6_addr_add+0x4f8/0xa40 [ 3771.931343][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3771.931343][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3771.931343][ T74] netlink_rcv_skb+0x130/0x360 [ 3771.931343][ T74] netlink_unicast+0x449/0x710 [ 3771.931343][ T74] netlink_sendmsg+0x723/0xbe0 [ 3771.931343][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3771.931343][ T74] ___sys_sendmsg+0xee/0x170 [ 3771.931343][ T74] __sys_sendmsg+0xcd/0x170 [ 3771.931343][ T74] do_syscall_64+0xc6/0x1e0 [ 3771.931343][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3771.931343][ T74] [ 3771.933366][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3771.933366][ T74] netdev_get_by_index+0x5e/0x80 [ 3771.933366][ T74] fib6_nh_init+0x3d8/0x1580 [ 3771.933366][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3771.933366][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3771.933366][ T74] ipv6_add_addr+0x411/0x2000 [ 3771.933366][ T74] inet6_addr_add+0x30e/0xa40 [ 3771.933366][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3771.933366][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3771.933366][ T74] netlink_rcv_skb+0x130/0x360 [ 3771.933366][ T74] netlink_unicast+0x449/0x710 [ 3771.933366][ T74] netlink_sendmsg+0x723/0xbe0 [ 3771.933366][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3771.933366][ T74] ___sys_sendmsg+0xee/0x170 [ 3771.933366][ T74] __sys_sendmsg+0xcd/0x170 [ 3771.933366][ T74] do_syscall_64+0xc6/0x1e0 [ 3771.933366][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3771.933366][ T74] [ 3771.935383][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3771.935383][ T74] netdev_get_by_index+0x5e/0x80 [ 3771.935383][ T74] fib6_nh_init+0x3d8/0x1580 [ 3771.935383][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3771.935383][ T74] ip6_route_add+0x1c/0x140 [ 3771.935383][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3771.935383][ T74] addrconf_add_dev+0xe2/0x170 [ 3771.935383][ T74] inet6_addr_add+0x12f/0xa40 [ 3771.935383][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3771.935383][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3771.935383][ T74] netlink_rcv_skb+0x130/0x360 [ 3771.935383][ T74] netlink_unicast+0x449/0x710 [ 3771.935383][ T74] netlink_sendmsg+0x723/0xbe0 [ 3771.935383][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3771.935383][ T74] ___sys_sendmsg+0xee/0x170 [ 3771.935383][ T74] __sys_sendmsg+0xcd/0x170 [ 3771.935383][ T74] do_syscall_64+0xc6/0x1e0 [ 3771.935383][ T74] [ 3771.937366][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3771.937366][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3771.937366][ T74] ipv6_find_idev+0x102/0x170 [ 3771.937366][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3771.937366][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3771.937366][ T74] netlink_rcv_skb+0x130/0x360 [ 3771.937366][ T74] netlink_unicast+0x449/0x710 [ 3771.937366][ T74] netlink_sendmsg+0x723/0xbe0 [ 3771.937366][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3771.937366][ T74] ___sys_sendmsg+0xee/0x170 [ 3771.937366][ T74] __sys_sendmsg+0xcd/0x170 [ 3771.937366][ T74] do_syscall_64+0xc6/0x1e0 [ 3771.937366][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3771.937366][ T74] [ 3771.939056][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3771.939056][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3771.939056][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3771.939056][ T74] ipv6_find_idev+0x102/0x170 [ 3771.939056][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3771.939056][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3771.939056][ T74] netlink_rcv_skb+0x130/0x360 [ 3771.939056][ T74] netlink_unicast+0x449/0x710 [ 3771.939056][ T74] netlink_sendmsg+0x723/0xbe0 [ 3771.939056][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3771.939056][ T74] ___sys_sendmsg+0xee/0x170 [ 3771.939056][ T74] __sys_sendmsg+0xcd/0x170 [ 3771.939056][ T74] do_syscall_64+0xc6/0x1e0 [ 3771.939056][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3771.939056][ T74] [ 3771.940895][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3771.941131][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3771.941131][ T74] netdev_get_by_index+0x5e/0x80 [ 3771.941131][ T74] fib6_nh_init+0x3d8/0x1580 [ 3771.941131][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3771.941131][ T74] ip6_route_add+0x1c/0x140 [ 3771.941131][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3771.941131][ T74] inet6_addr_add+0x4f8/0xa40 [ 3771.941131][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3771.941131][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3771.941131][ T74] netlink_rcv_skb+0x130/0x360 [ 3771.941131][ T74] netlink_unicast+0x449/0x710 [ 3771.941131][ T74] netlink_sendmsg+0x723/0xbe0 [ 3771.941131][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3771.941131][ T74] ___sys_sendmsg+0xee/0x170 [ 3771.941131][ T74] __sys_sendmsg+0xcd/0x170 [ 3771.941131][ T74] do_syscall_64+0xc6/0x1e0 [ 3771.941131][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3771.941131][ T74] [ 3771.943284][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3771.943284][ T74] netdev_get_by_index+0x5e/0x80 [ 3771.943284][ T74] fib6_nh_init+0x3d8/0x1580 [ 3771.943284][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3771.943284][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3771.943284][ T74] ipv6_add_addr+0x411/0x2000 [ 3771.943284][ T74] inet6_addr_add+0x30e/0xa40 [ 3771.943284][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3771.943284][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3771.943284][ T74] netlink_rcv_skb+0x130/0x360 [ 3771.943284][ T74] netlink_unicast+0x449/0x710 [ 3771.943284][ T74] netlink_sendmsg+0x723/0xbe0 [ 3771.943284][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3771.943284][ T74] ___sys_sendmsg+0xee/0x170 [ 3771.943284][ T74] __sys_sendmsg+0xcd/0x170 [ 3771.943284][ T74] do_syscall_64+0xc6/0x1e0 [ 3771.943284][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3771.943284][ T74] [ 3771.945416][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3771.945416][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3771.945416][ T74] ipv6_find_idev+0x102/0x170 [ 3771.945416][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3771.945416][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3771.945416][ T74] netlink_rcv_skb+0x130/0x360 [ 3771.945416][ T74] netlink_unicast+0x449/0x710 [ 3771.945416][ T74] netlink_sendmsg+0x723/0xbe0 [ 3771.945416][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3771.945416][ T74] ___sys_sendmsg+0xee/0x170 [ 3771.945416][ T74] __sys_sendmsg+0xcd/0x170 [ 3771.945416][ T74] do_syscall_64+0xc6/0x1e0 [ 3771.945416][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3771.945416][ T74] [ 3771.947039][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3771.947039][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3771.947039][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3771.947039][ T74] ipv6_find_idev+0x102/0x170 [ 3771.947039][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3771.947039][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3771.947039][ T74] netlink_rcv_skb+0x130/0x360 [ 3771.947039][ T74] netlink_unicast+0x449/0x710 [ 3771.947039][ T74] netlink_sendmsg+0x723/0xbe0 [ 3771.947039][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3771.947039][ T74] ___sys_sendmsg+0xee/0x170 [ 3771.947039][ T74] __sys_sendmsg+0xcd/0x170 [ 3771.947039][ T74] do_syscall_64+0xc6/0x1e0 [ 3771.947039][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3771.947039][ T74] [ 3782.184002][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3782.184445][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3782.184445][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3782.184445][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3782.184445][ T74] fib6_nh_init+0xa22/0x1580 [ 3782.184445][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3782.184445][ T74] ip6_route_add+0x1c/0x140 [ 3782.184445][ T74] inet6_rtm_newroute+0x104/0x110 [ 3782.184445][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3782.184445][ T74] netlink_rcv_skb+0x130/0x360 [ 3782.184445][ T74] netlink_unicast+0x449/0x710 [ 3782.184445][ T74] netlink_sendmsg+0x723/0xbe0 [ 3782.184445][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3782.184445][ T74] ___sys_sendmsg+0xee/0x170 [ 3782.184445][ T74] __sys_sendmsg+0xcd/0x170 [ 3782.184445][ T74] do_syscall_64+0xc6/0x1e0 [ 3782.184445][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3782.184445][ T74] [ 3782.186371][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3782.186371][ T74] netdev_get_by_index+0x5e/0x80 [ 3782.186371][ T74] fib6_nh_init+0x3d8/0x1580 [ 3782.186371][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3782.186371][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3782.186371][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3782.186371][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3782.186371][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3782.186371][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3782.186371][ T74] addrconf_dad_begin+0x310/0x670 [ 3782.186371][ T74] addrconf_dad_work+0x10b/0xab0 [ 3782.186371][ T74] process_one_work+0x84d/0x18a0 [ 3782.186371][ T74] worker_thread+0x587/0xd30 [ 3782.186371][ T74] kthread+0x28a/0x350 [ 3782.186371][ T74] ret_from_fork+0x31/0x70 [ 3782.186371][ T74] ret_from_fork_asm+0x1a/0x30 [ 3782.186371][ T74] [ 3782.188293][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3782.188293][ T74] netdev_get_by_index+0x5e/0x80 [ 3782.188293][ T74] fib6_nh_init+0x3d8/0x1580 [ 3782.188293][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3782.188293][ T74] ip6_route_add+0x1c/0x140 [ 3782.188293][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3782.188293][ T74] inet6_addr_add+0x4f8/0xa40 [ 3782.188293][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3782.188293][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3782.188293][ T74] netlink_rcv_skb+0x130/0x360 [ 3782.188293][ T74] netlink_unicast+0x449/0x710 [ 3782.188293][ T74] netlink_sendmsg+0x723/0xbe0 [ 3782.188293][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3782.188293][ T74] ___sys_sendmsg+0xee/0x170 [ 3782.188293][ T74] __sys_sendmsg+0xcd/0x170 [ 3782.188293][ T74] do_syscall_64+0xc6/0x1e0 [ 3782.188293][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3782.188293][ T74] [ 3782.190300][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3782.190300][ T74] netdev_get_by_index+0x5e/0x80 [ 3782.190300][ T74] fib6_nh_init+0x3d8/0x1580 [ 3782.190300][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3782.190300][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3782.190300][ T74] ipv6_add_addr+0x411/0x2000 [ 3782.190300][ T74] inet6_addr_add+0x30e/0xa40 [ 3782.190300][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3782.190300][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3782.190300][ T74] netlink_rcv_skb+0x130/0x360 [ 3782.190300][ T74] netlink_unicast+0x449/0x710 [ 3782.190300][ T74] netlink_sendmsg+0x723/0xbe0 [ 3782.190300][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3782.190300][ T74] ___sys_sendmsg+0xee/0x170 [ 3782.190300][ T74] __sys_sendmsg+0xcd/0x170 [ 3782.190300][ T74] do_syscall_64+0xc6/0x1e0 [ 3782.190300][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3782.190300][ T74] [ 3782.192361][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3782.192361][ T74] netdev_get_by_index+0x5e/0x80 [ 3782.192361][ T74] fib6_nh_init+0x3d8/0x1580 [ 3782.192361][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3782.192361][ T74] ip6_route_add+0x1c/0x140 [ 3782.192361][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3782.192361][ T74] addrconf_add_dev+0xe2/0x170 [ 3782.192361][ T74] inet6_addr_add+0x12f/0xa40 [ 3782.192361][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3782.192361][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3782.192361][ T74] netlink_rcv_skb+0x130/0x360 [ 3782.192361][ T74] netlink_unicast+0x449/0x710 [ 3782.192361][ T74] netlink_sendmsg+0x723/0xbe0 [ 3782.192361][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3782.192361][ T74] ___sys_sendmsg+0xee/0x170 [ 3782.192361][ T74] __sys_sendmsg+0xcd/0x170 [ 3782.192361][ T74] do_syscall_64+0xc6/0x1e0 [ 3782.192361][ T74] [ 3782.194331][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3782.194331][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3782.194331][ T74] ipv6_find_idev+0x102/0x170 [ 3782.194331][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3782.194331][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3782.194331][ T74] netlink_rcv_skb+0x130/0x360 [ 3782.194331][ T74] netlink_unicast+0x449/0x710 [ 3782.194331][ T74] netlink_sendmsg+0x723/0xbe0 [ 3782.194331][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3782.194331][ T74] ___sys_sendmsg+0xee/0x170 [ 3782.194331][ T74] __sys_sendmsg+0xcd/0x170 [ 3782.194331][ T74] do_syscall_64+0xc6/0x1e0 [ 3782.194331][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3782.194331][ T74] [ 3782.195884][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3782.195884][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3782.195884][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3782.195884][ T74] ipv6_find_idev+0x102/0x170 [ 3782.195884][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3782.195884][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3782.195884][ T74] netlink_rcv_skb+0x130/0x360 [ 3782.195884][ T74] netlink_unicast+0x449/0x710 [ 3782.195884][ T74] netlink_sendmsg+0x723/0xbe0 [ 3782.195884][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3782.195884][ T74] ___sys_sendmsg+0xee/0x170 [ 3782.195884][ T74] __sys_sendmsg+0xcd/0x170 [ 3782.195884][ T74] do_syscall_64+0xc6/0x1e0 [ 3782.195884][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3782.195884][ T74] [ 3782.197594][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3782.197867][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3782.197867][ T74] dst_init+0x84/0x4a0 [ 3782.197867][ T74] dst_alloc+0x97/0x150 [ 3782.197867][ T74] ip6_dst_alloc+0x23/0x90 [ 3782.197867][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3782.197867][ T74] ip6_pol_route+0x56f/0x840 [ 3782.197867][ T74] fib6_rule_lookup+0x456/0x630 [ 3782.197867][ T74] ip6_route_input+0x59c/0xa50 [ 3782.197867][ T74] ipv6_rcv+0x397/0x810 [ 3782.197867][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3782.197867][ T74] process_backlog+0x101/0x620 [ 3782.197867][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3782.197867][ T74] net_rx_action+0x495/0xbe0 [ 3782.197867][ T74] __do_softirq+0x1b5/0x7f6 [ 3782.197867][ T74] [ 3782.199513][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3782.199513][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3782.199513][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3782.199513][ T74] fib6_nh_init+0xa22/0x1580 [ 3782.199513][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3782.199513][ T74] ip6_route_add+0x1c/0x140 [ 3782.199513][ T74] inet6_rtm_newroute+0x104/0x110 [ 3782.199513][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3782.199513][ T74] netlink_rcv_skb+0x130/0x360 [ 3782.199513][ T74] netlink_unicast+0x449/0x710 [ 3782.199513][ T74] netlink_sendmsg+0x723/0xbe0 [ 3782.199513][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3782.199513][ T74] ___sys_sendmsg+0xee/0x170 [ 3782.199513][ T74] __sys_sendmsg+0xcd/0x170 [ 3782.199513][ T74] do_syscall_64+0xc6/0x1e0 [ 3782.199513][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3782.199513][ T74] [ 3782.201425][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3782.201425][ T74] netdev_get_by_index+0x5e/0x80 [ 3782.201425][ T74] fib6_nh_init+0x3d8/0x1580 [ 3782.201425][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3782.201425][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3782.201425][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3782.201425][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3782.201425][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3782.201425][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3782.201425][ T74] addrconf_dad_begin+0x310/0x670 [ 3782.201425][ T74] addrconf_dad_work+0x10b/0xab0 [ 3782.201425][ T74] process_one_work+0x84d/0x18a0 [ 3782.201425][ T74] worker_thread+0x587/0xd30 [ 3782.201425][ T74] kthread+0x28a/0x350 [ 3782.201425][ T74] ret_from_fork+0x31/0x70 [ 3782.201425][ T74] ret_from_fork_asm+0x1a/0x30 [ 3782.201425][ T74] [ 3782.203340][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3782.203340][ T74] netdev_get_by_index+0x5e/0x80 [ 3782.203340][ T74] fib6_nh_init+0x3d8/0x1580 [ 3782.203340][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3782.203340][ T74] ip6_route_add+0x1c/0x140 [ 3782.203340][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3782.203340][ T74] inet6_addr_add+0x4f8/0xa40 [ 3782.203340][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3782.203340][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3782.203340][ T74] netlink_rcv_skb+0x130/0x360 [ 3782.203340][ T74] netlink_unicast+0x449/0x710 [ 3782.203340][ T74] netlink_sendmsg+0x723/0xbe0 [ 3782.203340][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3782.203340][ T74] ___sys_sendmsg+0xee/0x170 [ 3782.203340][ T74] __sys_sendmsg+0xcd/0x170 [ 3782.203340][ T74] do_syscall_64+0xc6/0x1e0 [ 3782.203340][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3782.203340][ T74] [ 3782.205339][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3782.205339][ T74] netdev_get_by_index+0x5e/0x80 [ 3782.205339][ T74] fib6_nh_init+0x3d8/0x1580 [ 3782.205339][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3782.205339][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3782.205339][ T74] ipv6_add_addr+0x411/0x2000 [ 3782.205339][ T74] inet6_addr_add+0x30e/0xa40 [ 3782.205339][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3782.205339][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3782.205339][ T74] netlink_rcv_skb+0x130/0x360 [ 3782.205339][ T74] netlink_unicast+0x449/0x710 [ 3782.205339][ T74] netlink_sendmsg+0x723/0xbe0 [ 3782.205339][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3782.205339][ T74] ___sys_sendmsg+0xee/0x170 [ 3782.205339][ T74] __sys_sendmsg+0xcd/0x170 [ 3782.205339][ T74] do_syscall_64+0xc6/0x1e0 [ 3782.205339][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3782.205339][ T74] [ 3782.207440][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3782.207440][ T74] netdev_get_by_index+0x5e/0x80 [ 3782.207440][ T74] fib6_nh_init+0x3d8/0x1580 [ 3782.207440][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3782.207440][ T74] ip6_route_add+0x1c/0x140 [ 3782.207440][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3782.207440][ T74] addrconf_add_dev+0xe2/0x170 [ 3782.207440][ T74] inet6_addr_add+0x12f/0xa40 [ 3782.207440][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3782.207440][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3782.207440][ T74] netlink_rcv_skb+0x130/0x360 [ 3782.207440][ T74] netlink_unicast+0x449/0x710 [ 3782.207440][ T74] netlink_sendmsg+0x723/0xbe0 [ 3782.207440][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3782.207440][ T74] ___sys_sendmsg+0xee/0x170 [ 3782.207440][ T74] __sys_sendmsg+0xcd/0x170 [ 3782.207440][ T74] do_syscall_64+0xc6/0x1e0 [ 3782.207440][ T74] [ 3782.209411][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3782.209411][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3782.209411][ T74] ipv6_find_idev+0x102/0x170 [ 3782.209411][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3782.209411][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3782.209411][ T74] netlink_rcv_skb+0x130/0x360 [ 3782.209411][ T74] netlink_unicast+0x449/0x710 [ 3782.209411][ T74] netlink_sendmsg+0x723/0xbe0 [ 3782.209411][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3782.209411][ T74] ___sys_sendmsg+0xee/0x170 [ 3782.209411][ T74] __sys_sendmsg+0xcd/0x170 [ 3782.209411][ T74] do_syscall_64+0xc6/0x1e0 [ 3782.209411][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3782.209411][ T74] [ 3782.211148][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3782.211148][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3782.211148][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3782.211148][ T74] ipv6_find_idev+0x102/0x170 [ 3782.211148][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3782.211148][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3782.211148][ T74] netlink_rcv_skb+0x130/0x360 [ 3782.211148][ T74] netlink_unicast+0x449/0x710 [ 3782.211148][ T74] netlink_sendmsg+0x723/0xbe0 [ 3782.211148][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3782.211148][ T74] ___sys_sendmsg+0xee/0x170 [ 3782.211148][ T74] __sys_sendmsg+0xcd/0x170 [ 3782.211148][ T74] do_syscall_64+0xc6/0x1e0 [ 3782.211148][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3782.211148][ T74] [ 3782.213035][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3782.213273][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3782.213273][ T74] netdev_get_by_index+0x5e/0x80 [ 3782.213273][ T74] fib6_nh_init+0x3d8/0x1580 [ 3782.213273][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3782.213273][ T74] ip6_route_add+0x1c/0x140 [ 3782.213273][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3782.213273][ T74] inet6_addr_add+0x4f8/0xa40 [ 3782.213273][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3782.213273][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3782.213273][ T74] netlink_rcv_skb+0x130/0x360 [ 3782.213273][ T74] netlink_unicast+0x449/0x710 [ 3782.213273][ T74] netlink_sendmsg+0x723/0xbe0 [ 3782.213273][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3782.213273][ T74] ___sys_sendmsg+0xee/0x170 [ 3782.213273][ T74] __sys_sendmsg+0xcd/0x170 [ 3782.213273][ T74] do_syscall_64+0xc6/0x1e0 [ 3782.213273][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3782.213273][ T74] [ 3782.216108][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3782.216108][ T74] netdev_get_by_index+0x5e/0x80 [ 3782.216108][ T74] fib6_nh_init+0x3d8/0x1580 [ 3782.216108][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3782.216108][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3782.216108][ T74] ipv6_add_addr+0x411/0x2000 [ 3782.216108][ T74] inet6_addr_add+0x30e/0xa40 [ 3782.216108][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3782.216108][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3782.216108][ T74] netlink_rcv_skb+0x130/0x360 [ 3782.216108][ T74] netlink_unicast+0x449/0x710 [ 3782.216108][ T74] netlink_sendmsg+0x723/0xbe0 [ 3782.216108][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3782.216108][ T74] ___sys_sendmsg+0xee/0x170 [ 3782.216108][ T74] __sys_sendmsg+0xcd/0x170 [ 3782.216108][ T74] do_syscall_64+0xc6/0x1e0 [ 3782.216108][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3782.216108][ T74] [ 3782.218716][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3782.218716][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3782.218716][ T74] ipv6_find_idev+0x102/0x170 [ 3782.218716][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3782.218716][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3782.218716][ T74] netlink_rcv_skb+0x130/0x360 [ 3782.218716][ T74] netlink_unicast+0x449/0x710 [ 3782.218716][ T74] netlink_sendmsg+0x723/0xbe0 [ 3782.218716][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3782.218716][ T74] ___sys_sendmsg+0xee/0x170 [ 3782.218716][ T74] __sys_sendmsg+0xcd/0x170 [ 3782.218716][ T74] do_syscall_64+0xc6/0x1e0 [ 3782.218716][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3782.218716][ T74] [ 3782.220437][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3782.220437][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3782.220437][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3782.220437][ T74] ipv6_find_idev+0x102/0x170 [ 3782.220437][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3782.220437][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3782.220437][ T74] netlink_rcv_skb+0x130/0x360 [ 3782.220437][ T74] netlink_unicast+0x449/0x710 [ 3782.220437][ T74] netlink_sendmsg+0x723/0xbe0 [ 3782.220437][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3782.220437][ T74] ___sys_sendmsg+0xee/0x170 [ 3782.220437][ T74] __sys_sendmsg+0xcd/0x170 [ 3782.220437][ T74] do_syscall_64+0xc6/0x1e0 [ 3782.220437][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3782.220437][ T74] [ 3792.344051][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3792.344437][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3792.344437][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3792.344437][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3792.344437][ T74] fib6_nh_init+0xa22/0x1580 [ 3792.344437][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3792.344437][ T74] ip6_route_add+0x1c/0x140 [ 3792.344437][ T74] inet6_rtm_newroute+0x104/0x110 [ 3792.344437][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3792.344437][ T74] netlink_rcv_skb+0x130/0x360 [ 3792.344437][ T74] netlink_unicast+0x449/0x710 [ 3792.344437][ T74] netlink_sendmsg+0x723/0xbe0 [ 3792.344437][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3792.344437][ T74] ___sys_sendmsg+0xee/0x170 [ 3792.344437][ T74] __sys_sendmsg+0xcd/0x170 [ 3792.344437][ T74] do_syscall_64+0xc6/0x1e0 [ 3792.344437][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3792.344437][ T74] [ 3792.346373][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3792.346373][ T74] netdev_get_by_index+0x5e/0x80 [ 3792.346373][ T74] fib6_nh_init+0x3d8/0x1580 [ 3792.346373][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3792.346373][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3792.346373][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3792.346373][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3792.346373][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3792.346373][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3792.346373][ T74] addrconf_dad_begin+0x310/0x670 [ 3792.346373][ T74] addrconf_dad_work+0x10b/0xab0 [ 3792.346373][ T74] process_one_work+0x84d/0x18a0 [ 3792.346373][ T74] worker_thread+0x587/0xd30 [ 3792.346373][ T74] kthread+0x28a/0x350 [ 3792.346373][ T74] ret_from_fork+0x31/0x70 [ 3792.346373][ T74] ret_from_fork_asm+0x1a/0x30 [ 3792.346373][ T74] [ 3792.348329][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3792.348329][ T74] netdev_get_by_index+0x5e/0x80 [ 3792.348329][ T74] fib6_nh_init+0x3d8/0x1580 [ 3792.348329][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3792.348329][ T74] ip6_route_add+0x1c/0x140 [ 3792.348329][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3792.348329][ T74] inet6_addr_add+0x4f8/0xa40 [ 3792.348329][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3792.348329][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3792.348329][ T74] netlink_rcv_skb+0x130/0x360 [ 3792.348329][ T74] netlink_unicast+0x449/0x710 [ 3792.348329][ T74] netlink_sendmsg+0x723/0xbe0 [ 3792.348329][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3792.348329][ T74] ___sys_sendmsg+0xee/0x170 [ 3792.348329][ T74] __sys_sendmsg+0xcd/0x170 [ 3792.348329][ T74] do_syscall_64+0xc6/0x1e0 [ 3792.348329][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3792.348329][ T74] [ 3792.350328][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3792.350328][ T74] netdev_get_by_index+0x5e/0x80 [ 3792.350328][ T74] fib6_nh_init+0x3d8/0x1580 [ 3792.350328][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3792.350328][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3792.350328][ T74] ipv6_add_addr+0x411/0x2000 [ 3792.350328][ T74] inet6_addr_add+0x30e/0xa40 [ 3792.350328][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3792.350328][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3792.350328][ T74] netlink_rcv_skb+0x130/0x360 [ 3792.350328][ T74] netlink_unicast+0x449/0x710 [ 3792.350328][ T74] netlink_sendmsg+0x723/0xbe0 [ 3792.350328][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3792.350328][ T74] ___sys_sendmsg+0xee/0x170 [ 3792.350328][ T74] __sys_sendmsg+0xcd/0x170 [ 3792.350328][ T74] do_syscall_64+0xc6/0x1e0 [ 3792.350328][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3792.350328][ T74] [ 3792.352364][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3792.352364][ T74] netdev_get_by_index+0x5e/0x80 [ 3792.352364][ T74] fib6_nh_init+0x3d8/0x1580 [ 3792.352364][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3792.352364][ T74] ip6_route_add+0x1c/0x140 [ 3792.352364][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3792.352364][ T74] addrconf_add_dev+0xe2/0x170 [ 3792.352364][ T74] inet6_addr_add+0x12f/0xa40 [ 3792.352364][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3792.352364][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3792.352364][ T74] netlink_rcv_skb+0x130/0x360 [ 3792.352364][ T74] netlink_unicast+0x449/0x710 [ 3792.352364][ T74] netlink_sendmsg+0x723/0xbe0 [ 3792.352364][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3792.352364][ T74] ___sys_sendmsg+0xee/0x170 [ 3792.352364][ T74] __sys_sendmsg+0xcd/0x170 [ 3792.352364][ T74] do_syscall_64+0xc6/0x1e0 [ 3792.352364][ T74] [ 3792.354382][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3792.354382][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3792.354382][ T74] ipv6_find_idev+0x102/0x170 [ 3792.354382][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3792.354382][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3792.354382][ T74] netlink_rcv_skb+0x130/0x360 [ 3792.354382][ T74] netlink_unicast+0x449/0x710 [ 3792.354382][ T74] netlink_sendmsg+0x723/0xbe0 [ 3792.354382][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3792.354382][ T74] ___sys_sendmsg+0xee/0x170 [ 3792.354382][ T74] __sys_sendmsg+0xcd/0x170 [ 3792.354382][ T74] do_syscall_64+0xc6/0x1e0 [ 3792.354382][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3792.354382][ T74] [ 3792.355955][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3792.355955][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3792.355955][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3792.355955][ T74] ipv6_find_idev+0x102/0x170 [ 3792.355955][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3792.355955][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3792.355955][ T74] netlink_rcv_skb+0x130/0x360 [ 3792.355955][ T74] netlink_unicast+0x449/0x710 [ 3792.355955][ T74] netlink_sendmsg+0x723/0xbe0 [ 3792.355955][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3792.355955][ T74] ___sys_sendmsg+0xee/0x170 [ 3792.355955][ T74] __sys_sendmsg+0xcd/0x170 [ 3792.355955][ T74] do_syscall_64+0xc6/0x1e0 [ 3792.355955][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3792.355955][ T74] [ 3792.357728][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3792.358020][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3792.358020][ T74] dst_init+0x84/0x4a0 [ 3792.358020][ T74] dst_alloc+0x97/0x150 [ 3792.358020][ T74] ip6_dst_alloc+0x23/0x90 [ 3792.358020][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3792.358020][ T74] ip6_pol_route+0x56f/0x840 [ 3792.358020][ T74] fib6_rule_lookup+0x456/0x630 [ 3792.358020][ T74] ip6_route_input+0x59c/0xa50 [ 3792.358020][ T74] ipv6_rcv+0x397/0x810 [ 3792.358020][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3792.358020][ T74] process_backlog+0x101/0x620 [ 3792.358020][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3792.358020][ T74] net_rx_action+0x495/0xbe0 [ 3792.358020][ T74] __do_softirq+0x1b5/0x7f6 [ 3792.358020][ T74] [ 3792.359679][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3792.359679][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3792.359679][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3792.359679][ T74] fib6_nh_init+0xa22/0x1580 [ 3792.359679][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3792.359679][ T74] ip6_route_add+0x1c/0x140 [ 3792.359679][ T74] inet6_rtm_newroute+0x104/0x110 [ 3792.359679][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3792.359679][ T74] netlink_rcv_skb+0x130/0x360 [ 3792.359679][ T74] netlink_unicast+0x449/0x710 [ 3792.359679][ T74] netlink_sendmsg+0x723/0xbe0 [ 3792.359679][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3792.359679][ T74] ___sys_sendmsg+0xee/0x170 [ 3792.359679][ T74] __sys_sendmsg+0xcd/0x170 [ 3792.359679][ T74] do_syscall_64+0xc6/0x1e0 [ 3792.359679][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3792.359679][ T74] [ 3792.361580][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3792.361580][ T74] netdev_get_by_index+0x5e/0x80 [ 3792.361580][ T74] fib6_nh_init+0x3d8/0x1580 [ 3792.361580][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3792.361580][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3792.361580][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3792.361580][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3792.361580][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3792.361580][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3792.361580][ T74] addrconf_dad_begin+0x310/0x670 [ 3792.361580][ T74] addrconf_dad_work+0x10b/0xab0 [ 3792.361580][ T74] process_one_work+0x84d/0x18a0 [ 3792.361580][ T74] worker_thread+0x587/0xd30 [ 3792.361580][ T74] kthread+0x28a/0x350 [ 3792.361580][ T74] ret_from_fork+0x31/0x70 [ 3792.361580][ T74] ret_from_fork_asm+0x1a/0x30 [ 3792.361580][ T74] [ 3792.363496][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3792.363496][ T74] netdev_get_by_index+0x5e/0x80 [ 3792.363496][ T74] fib6_nh_init+0x3d8/0x1580 [ 3792.363496][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3792.363496][ T74] ip6_route_add+0x1c/0x140 [ 3792.363496][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3792.363496][ T74] inet6_addr_add+0x4f8/0xa40 [ 3792.363496][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3792.363496][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3792.363496][ T74] netlink_rcv_skb+0x130/0x360 [ 3792.363496][ T74] netlink_unicast+0x449/0x710 [ 3792.363496][ T74] netlink_sendmsg+0x723/0xbe0 [ 3792.363496][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3792.363496][ T74] ___sys_sendmsg+0xee/0x170 [ 3792.363496][ T74] __sys_sendmsg+0xcd/0x170 [ 3792.363496][ T74] do_syscall_64+0xc6/0x1e0 [ 3792.363496][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3792.363496][ T74] [ 3792.365543][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3792.365543][ T74] netdev_get_by_index+0x5e/0x80 [ 3792.365543][ T74] fib6_nh_init+0x3d8/0x1580 [ 3792.365543][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3792.365543][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3792.365543][ T74] ipv6_add_addr+0x411/0x2000 [ 3792.365543][ T74] inet6_addr_add+0x30e/0xa40 [ 3792.365543][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3792.365543][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3792.365543][ T74] netlink_rcv_skb+0x130/0x360 [ 3792.365543][ T74] netlink_unicast+0x449/0x710 [ 3792.365543][ T74] netlink_sendmsg+0x723/0xbe0 [ 3792.365543][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3792.365543][ T74] ___sys_sendmsg+0xee/0x170 [ 3792.365543][ T74] __sys_sendmsg+0xcd/0x170 [ 3792.365543][ T74] do_syscall_64+0xc6/0x1e0 [ 3792.365543][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3792.365543][ T74] [ 3792.367549][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3792.367549][ T74] netdev_get_by_index+0x5e/0x80 [ 3792.367549][ T74] fib6_nh_init+0x3d8/0x1580 [ 3792.367549][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3792.367549][ T74] ip6_route_add+0x1c/0x140 [ 3792.367549][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3792.367549][ T74] addrconf_add_dev+0xe2/0x170 [ 3792.367549][ T74] inet6_addr_add+0x12f/0xa40 [ 3792.367549][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3792.367549][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3792.367549][ T74] netlink_rcv_skb+0x130/0x360 [ 3792.367549][ T74] netlink_unicast+0x449/0x710 [ 3792.367549][ T74] netlink_sendmsg+0x723/0xbe0 [ 3792.367549][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3792.367549][ T74] ___sys_sendmsg+0xee/0x170 [ 3792.367549][ T74] __sys_sendmsg+0xcd/0x170 [ 3792.367549][ T74] do_syscall_64+0xc6/0x1e0 [ 3792.367549][ T74] [ 3792.369522][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3792.369522][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3792.369522][ T74] ipv6_find_idev+0x102/0x170 [ 3792.369522][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3792.369522][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3792.369522][ T74] netlink_rcv_skb+0x130/0x360 [ 3792.369522][ T74] netlink_unicast+0x449/0x710 [ 3792.369522][ T74] netlink_sendmsg+0x723/0xbe0 [ 3792.369522][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3792.369522][ T74] ___sys_sendmsg+0xee/0x170 [ 3792.369522][ T74] __sys_sendmsg+0xcd/0x170 [ 3792.369522][ T74] do_syscall_64+0xc6/0x1e0 [ 3792.369522][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3792.369522][ T74] [ 3792.371266][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3792.371266][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3792.371266][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3792.371266][ T74] ipv6_find_idev+0x102/0x170 [ 3792.371266][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3792.371266][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3792.371266][ T74] netlink_rcv_skb+0x130/0x360 [ 3792.371266][ T74] netlink_unicast+0x449/0x710 [ 3792.371266][ T74] netlink_sendmsg+0x723/0xbe0 [ 3792.371266][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3792.371266][ T74] ___sys_sendmsg+0xee/0x170 [ 3792.371266][ T74] __sys_sendmsg+0xcd/0x170 [ 3792.371266][ T74] do_syscall_64+0xc6/0x1e0 [ 3792.371266][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3792.371266][ T74] [ 3792.373163][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3792.373401][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3792.373401][ T74] netdev_get_by_index+0x5e/0x80 [ 3792.373401][ T74] fib6_nh_init+0x3d8/0x1580 [ 3792.373401][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3792.373401][ T74] ip6_route_add+0x1c/0x140 [ 3792.373401][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3792.373401][ T74] inet6_addr_add+0x4f8/0xa40 [ 3792.373401][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3792.373401][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3792.373401][ T74] netlink_rcv_skb+0x130/0x360 [ 3792.373401][ T74] netlink_unicast+0x449/0x710 [ 3792.373401][ T74] netlink_sendmsg+0x723/0xbe0 [ 3792.373401][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3792.373401][ T74] ___sys_sendmsg+0xee/0x170 [ 3792.373401][ T74] __sys_sendmsg+0xcd/0x170 [ 3792.373401][ T74] do_syscall_64+0xc6/0x1e0 [ 3792.373401][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3792.373401][ T74] [ 3792.376174][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3792.376174][ T74] netdev_get_by_index+0x5e/0x80 [ 3792.376174][ T74] fib6_nh_init+0x3d8/0x1580 [ 3792.376174][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3792.376174][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3792.376174][ T74] ipv6_add_addr+0x411/0x2000 [ 3792.376174][ T74] inet6_addr_add+0x30e/0xa40 [ 3792.376174][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3792.376174][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3792.376174][ T74] netlink_rcv_skb+0x130/0x360 [ 3792.376174][ T74] netlink_unicast+0x449/0x710 [ 3792.376174][ T74] netlink_sendmsg+0x723/0xbe0 [ 3792.376174][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3792.376174][ T74] ___sys_sendmsg+0xee/0x170 [ 3792.376174][ T74] __sys_sendmsg+0xcd/0x170 [ 3792.376174][ T74] do_syscall_64+0xc6/0x1e0 [ 3792.376174][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3792.376174][ T74] [ 3792.378809][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3792.378809][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3792.378809][ T74] ipv6_find_idev+0x102/0x170 [ 3792.378809][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3792.378809][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3792.378809][ T74] netlink_rcv_skb+0x130/0x360 [ 3792.378809][ T74] netlink_unicast+0x449/0x710 [ 3792.378809][ T74] netlink_sendmsg+0x723/0xbe0 [ 3792.378809][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3792.378809][ T74] ___sys_sendmsg+0xee/0x170 [ 3792.378809][ T74] __sys_sendmsg+0xcd/0x170 [ 3792.378809][ T74] do_syscall_64+0xc6/0x1e0 [ 3792.378809][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3792.378809][ T74] [ 3792.380606][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3792.380606][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3792.380606][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3792.380606][ T74] ipv6_find_idev+0x102/0x170 [ 3792.380606][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3792.380606][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3792.380606][ T74] netlink_rcv_skb+0x130/0x360 [ 3792.380606][ T74] netlink_unicast+0x449/0x710 [ 3792.380606][ T74] netlink_sendmsg+0x723/0xbe0 [ 3792.380606][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3792.380606][ T74] ___sys_sendmsg+0xee/0x170 [ 3792.380606][ T74] __sys_sendmsg+0xcd/0x170 [ 3792.380606][ T74] do_syscall_64+0xc6/0x1e0 [ 3792.380606][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3792.380606][ T74] [ 3802.432000][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3802.432458][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3802.432458][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3802.432458][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3802.432458][ T74] fib6_nh_init+0xa22/0x1580 [ 3802.432458][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3802.432458][ T74] ip6_route_add+0x1c/0x140 [ 3802.432458][ T74] inet6_rtm_newroute+0x104/0x110 [ 3802.432458][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3802.432458][ T74] netlink_rcv_skb+0x130/0x360 [ 3802.432458][ T74] netlink_unicast+0x449/0x710 [ 3802.432458][ T74] netlink_sendmsg+0x723/0xbe0 [ 3802.432458][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3802.432458][ T74] ___sys_sendmsg+0xee/0x170 [ 3802.432458][ T74] __sys_sendmsg+0xcd/0x170 [ 3802.432458][ T74] do_syscall_64+0xc6/0x1e0 [ 3802.432458][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3802.432458][ T74] [ 3802.434364][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3802.434364][ T74] netdev_get_by_index+0x5e/0x80 [ 3802.434364][ T74] fib6_nh_init+0x3d8/0x1580 [ 3802.434364][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3802.434364][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3802.434364][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3802.434364][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3802.434364][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3802.434364][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3802.434364][ T74] addrconf_dad_begin+0x310/0x670 [ 3802.434364][ T74] addrconf_dad_work+0x10b/0xab0 [ 3802.434364][ T74] process_one_work+0x84d/0x18a0 [ 3802.434364][ T74] worker_thread+0x587/0xd30 [ 3802.434364][ T74] kthread+0x28a/0x350 [ 3802.434364][ T74] ret_from_fork+0x31/0x70 [ 3802.434364][ T74] ret_from_fork_asm+0x1a/0x30 [ 3802.434364][ T74] [ 3802.436282][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3802.436282][ T74] netdev_get_by_index+0x5e/0x80 [ 3802.436282][ T74] fib6_nh_init+0x3d8/0x1580 [ 3802.436282][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3802.436282][ T74] ip6_route_add+0x1c/0x140 [ 3802.436282][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3802.436282][ T74] inet6_addr_add+0x4f8/0xa40 [ 3802.436282][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3802.436282][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3802.436282][ T74] netlink_rcv_skb+0x130/0x360 [ 3802.436282][ T74] netlink_unicast+0x449/0x710 [ 3802.436282][ T74] netlink_sendmsg+0x723/0xbe0 [ 3802.436282][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3802.436282][ T74] ___sys_sendmsg+0xee/0x170 [ 3802.436282][ T74] __sys_sendmsg+0xcd/0x170 [ 3802.436282][ T74] do_syscall_64+0xc6/0x1e0 [ 3802.436282][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3802.436282][ T74] [ 3802.438335][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3802.438335][ T74] netdev_get_by_index+0x5e/0x80 [ 3802.438335][ T74] fib6_nh_init+0x3d8/0x1580 [ 3802.438335][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3802.438335][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3802.438335][ T74] ipv6_add_addr+0x411/0x2000 [ 3802.438335][ T74] inet6_addr_add+0x30e/0xa40 [ 3802.438335][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3802.438335][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3802.438335][ T74] netlink_rcv_skb+0x130/0x360 [ 3802.438335][ T74] netlink_unicast+0x449/0x710 [ 3802.438335][ T74] netlink_sendmsg+0x723/0xbe0 [ 3802.438335][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3802.438335][ T74] ___sys_sendmsg+0xee/0x170 [ 3802.438335][ T74] __sys_sendmsg+0xcd/0x170 [ 3802.438335][ T74] do_syscall_64+0xc6/0x1e0 [ 3802.438335][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3802.438335][ T74] [ 3802.440349][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3802.440349][ T74] netdev_get_by_index+0x5e/0x80 [ 3802.440349][ T74] fib6_nh_init+0x3d8/0x1580 [ 3802.440349][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3802.440349][ T74] ip6_route_add+0x1c/0x140 [ 3802.440349][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3802.440349][ T74] addrconf_add_dev+0xe2/0x170 [ 3802.440349][ T74] inet6_addr_add+0x12f/0xa40 [ 3802.440349][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3802.440349][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3802.440349][ T74] netlink_rcv_skb+0x130/0x360 [ 3802.440349][ T74] netlink_unicast+0x449/0x710 [ 3802.440349][ T74] netlink_sendmsg+0x723/0xbe0 [ 3802.440349][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3802.440349][ T74] ___sys_sendmsg+0xee/0x170 [ 3802.440349][ T74] __sys_sendmsg+0xcd/0x170 [ 3802.440349][ T74] do_syscall_64+0xc6/0x1e0 [ 3802.440349][ T74] [ 3802.442351][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3802.442351][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3802.442351][ T74] ipv6_find_idev+0x102/0x170 [ 3802.442351][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3802.442351][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3802.442351][ T74] netlink_rcv_skb+0x130/0x360 [ 3802.442351][ T74] netlink_unicast+0x449/0x710 [ 3802.442351][ T74] netlink_sendmsg+0x723/0xbe0 [ 3802.442351][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3802.442351][ T74] ___sys_sendmsg+0xee/0x170 [ 3802.442351][ T74] __sys_sendmsg+0xcd/0x170 [ 3802.442351][ T74] do_syscall_64+0xc6/0x1e0 [ 3802.442351][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3802.442351][ T74] [ 3802.443889][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3802.443889][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3802.443889][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3802.443889][ T74] ipv6_find_idev+0x102/0x170 [ 3802.443889][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3802.443889][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3802.443889][ T74] netlink_rcv_skb+0x130/0x360 [ 3802.443889][ T74] netlink_unicast+0x449/0x710 [ 3802.443889][ T74] netlink_sendmsg+0x723/0xbe0 [ 3802.443889][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3802.443889][ T74] ___sys_sendmsg+0xee/0x170 [ 3802.443889][ T74] __sys_sendmsg+0xcd/0x170 [ 3802.443889][ T74] do_syscall_64+0xc6/0x1e0 [ 3802.443889][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3802.443889][ T74] [ 3802.445570][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3802.445846][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3802.445846][ T74] dst_init+0x84/0x4a0 [ 3802.445846][ T74] dst_alloc+0x97/0x150 [ 3802.445846][ T74] ip6_dst_alloc+0x23/0x90 [ 3802.445846][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3802.445846][ T74] ip6_pol_route+0x56f/0x840 [ 3802.445846][ T74] fib6_rule_lookup+0x456/0x630 [ 3802.445846][ T74] ip6_route_input+0x59c/0xa50 [ 3802.445846][ T74] ipv6_rcv+0x397/0x810 [ 3802.445846][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3802.445846][ T74] process_backlog+0x101/0x620 [ 3802.445846][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3802.445846][ T74] net_rx_action+0x495/0xbe0 [ 3802.445846][ T74] __do_softirq+0x1b5/0x7f6 [ 3802.445846][ T74] [ 3802.447483][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3802.447483][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3802.447483][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3802.447483][ T74] fib6_nh_init+0xa22/0x1580 [ 3802.447483][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3802.447483][ T74] ip6_route_add+0x1c/0x140 [ 3802.447483][ T74] inet6_rtm_newroute+0x104/0x110 [ 3802.447483][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3802.447483][ T74] netlink_rcv_skb+0x130/0x360 [ 3802.447483][ T74] netlink_unicast+0x449/0x710 [ 3802.447483][ T74] netlink_sendmsg+0x723/0xbe0 [ 3802.447483][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3802.447483][ T74] ___sys_sendmsg+0xee/0x170 [ 3802.447483][ T74] __sys_sendmsg+0xcd/0x170 [ 3802.447483][ T74] do_syscall_64+0xc6/0x1e0 [ 3802.447483][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3802.447483][ T74] [ 3802.449362][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3802.449362][ T74] netdev_get_by_index+0x5e/0x80 [ 3802.449362][ T74] fib6_nh_init+0x3d8/0x1580 [ 3802.449362][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3802.449362][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3802.449362][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3802.449362][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3802.449362][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3802.449362][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3802.449362][ T74] addrconf_dad_begin+0x310/0x670 [ 3802.449362][ T74] addrconf_dad_work+0x10b/0xab0 [ 3802.449362][ T74] process_one_work+0x84d/0x18a0 [ 3802.449362][ T74] worker_thread+0x587/0xd30 [ 3802.449362][ T74] kthread+0x28a/0x350 [ 3802.449362][ T74] ret_from_fork+0x31/0x70 [ 3802.449362][ T74] ret_from_fork_asm+0x1a/0x30 [ 3802.449362][ T74] [ 3802.451318][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3802.451318][ T74] netdev_get_by_index+0x5e/0x80 [ 3802.451318][ T74] fib6_nh_init+0x3d8/0x1580 [ 3802.451318][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3802.451318][ T74] ip6_route_add+0x1c/0x140 [ 3802.451318][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3802.451318][ T74] inet6_addr_add+0x4f8/0xa40 [ 3802.451318][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3802.451318][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3802.451318][ T74] netlink_rcv_skb+0x130/0x360 [ 3802.451318][ T74] netlink_unicast+0x449/0x710 [ 3802.451318][ T74] netlink_sendmsg+0x723/0xbe0 [ 3802.451318][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3802.451318][ T74] ___sys_sendmsg+0xee/0x170 [ 3802.451318][ T74] __sys_sendmsg+0xcd/0x170 [ 3802.451318][ T74] do_syscall_64+0xc6/0x1e0 [ 3802.451318][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3802.451318][ T74] [ 3802.453315][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3802.453315][ T74] netdev_get_by_index+0x5e/0x80 [ 3802.453315][ T74] fib6_nh_init+0x3d8/0x1580 [ 3802.453315][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3802.453315][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3802.453315][ T74] ipv6_add_addr+0x411/0x2000 [ 3802.453315][ T74] inet6_addr_add+0x30e/0xa40 [ 3802.453315][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3802.453315][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3802.453315][ T74] netlink_rcv_skb+0x130/0x360 [ 3802.453315][ T74] netlink_unicast+0x449/0x710 [ 3802.453315][ T74] netlink_sendmsg+0x723/0xbe0 [ 3802.453315][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3802.453315][ T74] ___sys_sendmsg+0xee/0x170 [ 3802.453315][ T74] __sys_sendmsg+0xcd/0x170 [ 3802.453315][ T74] do_syscall_64+0xc6/0x1e0 [ 3802.453315][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3802.453315][ T74] [ 3802.455316][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3802.455316][ T74] netdev_get_by_index+0x5e/0x80 [ 3802.455316][ T74] fib6_nh_init+0x3d8/0x1580 [ 3802.455316][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3802.455316][ T74] ip6_route_add+0x1c/0x140 [ 3802.455316][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3802.455316][ T74] addrconf_add_dev+0xe2/0x170 [ 3802.455316][ T74] inet6_addr_add+0x12f/0xa40 [ 3802.455316][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3802.455316][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3802.455316][ T74] netlink_rcv_skb+0x130/0x360 [ 3802.455316][ T74] netlink_unicast+0x449/0x710 [ 3802.455316][ T74] netlink_sendmsg+0x723/0xbe0 [ 3802.455316][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3802.455316][ T74] ___sys_sendmsg+0xee/0x170 [ 3802.455316][ T74] __sys_sendmsg+0xcd/0x170 [ 3802.455316][ T74] do_syscall_64+0xc6/0x1e0 [ 3802.455316][ T74] [ 3802.457285][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3802.457285][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3802.457285][ T74] ipv6_find_idev+0x102/0x170 [ 3802.457285][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3802.457285][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3802.457285][ T74] netlink_rcv_skb+0x130/0x360 [ 3802.457285][ T74] netlink_unicast+0x449/0x710 [ 3802.457285][ T74] netlink_sendmsg+0x723/0xbe0 [ 3802.457285][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3802.457285][ T74] ___sys_sendmsg+0xee/0x170 [ 3802.457285][ T74] __sys_sendmsg+0xcd/0x170 [ 3802.457285][ T74] do_syscall_64+0xc6/0x1e0 [ 3802.457285][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3802.457285][ T74] [ 3802.458888][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3802.458888][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3802.458888][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3802.458888][ T74] ipv6_find_idev+0x102/0x170 [ 3802.458888][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3802.458888][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3802.458888][ T74] netlink_rcv_skb+0x130/0x360 [ 3802.458888][ T74] netlink_unicast+0x449/0x710 [ 3802.458888][ T74] netlink_sendmsg+0x723/0xbe0 [ 3802.458888][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3802.458888][ T74] ___sys_sendmsg+0xee/0x170 [ 3802.458888][ T74] __sys_sendmsg+0xcd/0x170 [ 3802.458888][ T74] do_syscall_64+0xc6/0x1e0 [ 3802.458888][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3802.458888][ T74] [ 3802.460883][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3802.461131][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3802.461131][ T74] netdev_get_by_index+0x5e/0x80 [ 3802.461131][ T74] fib6_nh_init+0x3d8/0x1580 [ 3802.461131][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3802.461131][ T74] ip6_route_add+0x1c/0x140 [ 3802.461131][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3802.461131][ T74] inet6_addr_add+0x4f8/0xa40 [ 3802.461131][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3802.461131][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3802.461131][ T74] netlink_rcv_skb+0x130/0x360 [ 3802.461131][ T74] netlink_unicast+0x449/0x710 [ 3802.461131][ T74] netlink_sendmsg+0x723/0xbe0 [ 3802.461131][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3802.461131][ T74] ___sys_sendmsg+0xee/0x170 [ 3802.461131][ T74] __sys_sendmsg+0xcd/0x170 [ 3802.461131][ T74] do_syscall_64+0xc6/0x1e0 [ 3802.461131][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3802.461131][ T74] [ 3802.463377][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3802.463377][ T74] netdev_get_by_index+0x5e/0x80 [ 3802.463377][ T74] fib6_nh_init+0x3d8/0x1580 [ 3802.463377][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3802.463377][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3802.463377][ T74] ipv6_add_addr+0x411/0x2000 [ 3802.463377][ T74] inet6_addr_add+0x30e/0xa40 [ 3802.463377][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3802.463377][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3802.463377][ T74] netlink_rcv_skb+0x130/0x360 [ 3802.463377][ T74] netlink_unicast+0x449/0x710 [ 3802.463377][ T74] netlink_sendmsg+0x723/0xbe0 [ 3802.463377][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3802.463377][ T74] ___sys_sendmsg+0xee/0x170 [ 3802.463377][ T74] __sys_sendmsg+0xcd/0x170 [ 3802.463377][ T74] do_syscall_64+0xc6/0x1e0 [ 3802.463377][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3802.463377][ T74] [ 3802.465629][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3802.465629][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3802.465629][ T74] ipv6_find_idev+0x102/0x170 [ 3802.465629][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3802.465629][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3802.465629][ T74] netlink_rcv_skb+0x130/0x360 [ 3802.465629][ T74] netlink_unicast+0x449/0x710 [ 3802.465629][ T74] netlink_sendmsg+0x723/0xbe0 [ 3802.465629][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3802.465629][ T74] ___sys_sendmsg+0xee/0x170 [ 3802.465629][ T74] __sys_sendmsg+0xcd/0x170 [ 3802.465629][ T74] do_syscall_64+0xc6/0x1e0 [ 3802.465629][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3802.465629][ T74] [ 3802.467335][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3802.467335][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3802.467335][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3802.467335][ T74] ipv6_find_idev+0x102/0x170 [ 3802.467335][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3802.467335][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3802.467335][ T74] netlink_rcv_skb+0x130/0x360 [ 3802.467335][ T74] netlink_unicast+0x449/0x710 [ 3802.467335][ T74] netlink_sendmsg+0x723/0xbe0 [ 3802.467335][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3802.467335][ T74] ___sys_sendmsg+0xee/0x170 [ 3802.467335][ T74] __sys_sendmsg+0xcd/0x170 [ 3802.467335][ T74] do_syscall_64+0xc6/0x1e0 [ 3802.467335][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3802.467335][ T74] [ 3812.711941][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3812.712363][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3812.712363][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3812.712363][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3812.712363][ T74] fib6_nh_init+0xa22/0x1580 [ 3812.712363][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3812.712363][ T74] ip6_route_add+0x1c/0x140 [ 3812.712363][ T74] inet6_rtm_newroute+0x104/0x110 [ 3812.712363][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3812.712363][ T74] netlink_rcv_skb+0x130/0x360 [ 3812.712363][ T74] netlink_unicast+0x449/0x710 [ 3812.712363][ T74] netlink_sendmsg+0x723/0xbe0 [ 3812.712363][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3812.712363][ T74] ___sys_sendmsg+0xee/0x170 [ 3812.712363][ T74] __sys_sendmsg+0xcd/0x170 [ 3812.712363][ T74] do_syscall_64+0xc6/0x1e0 [ 3812.712363][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3812.712363][ T74] [ 3812.714310][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3812.714310][ T74] netdev_get_by_index+0x5e/0x80 [ 3812.714310][ T74] fib6_nh_init+0x3d8/0x1580 [ 3812.714310][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3812.714310][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3812.714310][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3812.714310][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3812.714310][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3812.714310][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3812.714310][ T74] addrconf_dad_begin+0x310/0x670 [ 3812.714310][ T74] addrconf_dad_work+0x10b/0xab0 [ 3812.714310][ T74] process_one_work+0x84d/0x18a0 [ 3812.714310][ T74] worker_thread+0x587/0xd30 [ 3812.714310][ T74] kthread+0x28a/0x350 [ 3812.714310][ T74] ret_from_fork+0x31/0x70 [ 3812.714310][ T74] ret_from_fork_asm+0x1a/0x30 [ 3812.714310][ T74] [ 3812.716367][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3812.716367][ T74] netdev_get_by_index+0x5e/0x80 [ 3812.716367][ T74] fib6_nh_init+0x3d8/0x1580 [ 3812.716367][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3812.716367][ T74] ip6_route_add+0x1c/0x140 [ 3812.716367][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3812.716367][ T74] inet6_addr_add+0x4f8/0xa40 [ 3812.716367][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3812.716367][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3812.716367][ T74] netlink_rcv_skb+0x130/0x360 [ 3812.716367][ T74] netlink_unicast+0x449/0x710 [ 3812.716367][ T74] netlink_sendmsg+0x723/0xbe0 [ 3812.716367][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3812.716367][ T74] ___sys_sendmsg+0xee/0x170 [ 3812.716367][ T74] __sys_sendmsg+0xcd/0x170 [ 3812.716367][ T74] do_syscall_64+0xc6/0x1e0 [ 3812.716367][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3812.716367][ T74] [ 3812.718555][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3812.718555][ T74] netdev_get_by_index+0x5e/0x80 [ 3812.718555][ T74] fib6_nh_init+0x3d8/0x1580 [ 3812.718555][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3812.718555][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3812.718555][ T74] ipv6_add_addr+0x411/0x2000 [ 3812.718555][ T74] inet6_addr_add+0x30e/0xa40 [ 3812.718555][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3812.718555][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3812.718555][ T74] netlink_rcv_skb+0x130/0x360 [ 3812.718555][ T74] netlink_unicast+0x449/0x710 [ 3812.718555][ T74] netlink_sendmsg+0x723/0xbe0 [ 3812.718555][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3812.718555][ T74] ___sys_sendmsg+0xee/0x170 [ 3812.718555][ T74] __sys_sendmsg+0xcd/0x170 [ 3812.718555][ T74] do_syscall_64+0xc6/0x1e0 [ 3812.718555][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3812.718555][ T74] [ 3812.720821][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3812.720821][ T74] netdev_get_by_index+0x5e/0x80 [ 3812.720821][ T74] fib6_nh_init+0x3d8/0x1580 [ 3812.720821][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3812.720821][ T74] ip6_route_add+0x1c/0x140 [ 3812.720821][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3812.720821][ T74] addrconf_add_dev+0xe2/0x170 [ 3812.720821][ T74] inet6_addr_add+0x12f/0xa40 [ 3812.720821][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3812.720821][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3812.720821][ T74] netlink_rcv_skb+0x130/0x360 [ 3812.720821][ T74] netlink_unicast+0x449/0x710 [ 3812.720821][ T74] netlink_sendmsg+0x723/0xbe0 [ 3812.720821][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3812.720821][ T74] ___sys_sendmsg+0xee/0x170 [ 3812.720821][ T74] __sys_sendmsg+0xcd/0x170 [ 3812.720821][ T74] do_syscall_64+0xc6/0x1e0 [ 3812.720821][ T74] [ 3812.723074][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3812.723074][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3812.723074][ T74] ipv6_find_idev+0x102/0x170 [ 3812.723074][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3812.723074][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3812.723074][ T74] netlink_rcv_skb+0x130/0x360 [ 3812.723074][ T74] netlink_unicast+0x449/0x710 [ 3812.723074][ T74] netlink_sendmsg+0x723/0xbe0 [ 3812.723074][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3812.723074][ T74] ___sys_sendmsg+0xee/0x170 [ 3812.723074][ T74] __sys_sendmsg+0xcd/0x170 [ 3812.723074][ T74] do_syscall_64+0xc6/0x1e0 [ 3812.723074][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3812.723074][ T74] [ 3812.724812][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3812.724812][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3812.724812][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3812.724812][ T74] ipv6_find_idev+0x102/0x170 [ 3812.724812][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3812.724812][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3812.724812][ T74] netlink_rcv_skb+0x130/0x360 [ 3812.724812][ T74] netlink_unicast+0x449/0x710 [ 3812.724812][ T74] netlink_sendmsg+0x723/0xbe0 [ 3812.724812][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3812.724812][ T74] ___sys_sendmsg+0xee/0x170 [ 3812.724812][ T74] __sys_sendmsg+0xcd/0x170 [ 3812.724812][ T74] do_syscall_64+0xc6/0x1e0 [ 3812.724812][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3812.724812][ T74] [ 3812.726706][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3812.727032][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3812.727032][ T74] dst_init+0x84/0x4a0 [ 3812.727032][ T74] dst_alloc+0x97/0x150 [ 3812.727032][ T74] ip6_dst_alloc+0x23/0x90 [ 3812.727032][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3812.727032][ T74] ip6_pol_route+0x56f/0x840 [ 3812.727032][ T74] fib6_rule_lookup+0x456/0x630 [ 3812.727032][ T74] ip6_route_input+0x59c/0xa50 [ 3812.727032][ T74] ipv6_rcv+0x397/0x810 [ 3812.727032][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3812.727032][ T74] process_backlog+0x101/0x620 [ 3812.727032][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3812.727032][ T74] net_rx_action+0x495/0xbe0 [ 3812.727032][ T74] __do_softirq+0x1b5/0x7f6 [ 3812.727032][ T74] [ 3812.728881][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3812.728881][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3812.728881][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3812.728881][ T74] fib6_nh_init+0xa22/0x1580 [ 3812.728881][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3812.728881][ T74] ip6_route_add+0x1c/0x140 [ 3812.728881][ T74] inet6_rtm_newroute+0x104/0x110 [ 3812.728881][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3812.728881][ T74] netlink_rcv_skb+0x130/0x360 [ 3812.728881][ T74] netlink_unicast+0x449/0x710 [ 3812.728881][ T74] netlink_sendmsg+0x723/0xbe0 [ 3812.728881][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3812.728881][ T74] ___sys_sendmsg+0xee/0x170 [ 3812.728881][ T74] __sys_sendmsg+0xcd/0x170 [ 3812.728881][ T74] do_syscall_64+0xc6/0x1e0 [ 3812.728881][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3812.728881][ T74] [ 3812.730979][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3812.730979][ T74] netdev_get_by_index+0x5e/0x80 [ 3812.730979][ T74] fib6_nh_init+0x3d8/0x1580 [ 3812.730979][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3812.730979][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3812.730979][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3812.730979][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3812.730979][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3812.730979][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3812.730979][ T74] addrconf_dad_begin+0x310/0x670 [ 3812.730979][ T74] addrconf_dad_work+0x10b/0xab0 [ 3812.730979][ T74] process_one_work+0x84d/0x18a0 [ 3812.730979][ T74] worker_thread+0x587/0xd30 [ 3812.730979][ T74] kthread+0x28a/0x350 [ 3812.730979][ T74] ret_from_fork+0x31/0x70 [ 3812.730979][ T74] ret_from_fork_asm+0x1a/0x30 [ 3812.730979][ T74] [ 3812.733152][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3812.733152][ T74] netdev_get_by_index+0x5e/0x80 [ 3812.733152][ T74] fib6_nh_init+0x3d8/0x1580 [ 3812.733152][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3812.733152][ T74] ip6_route_add+0x1c/0x140 [ 3812.733152][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3812.733152][ T74] inet6_addr_add+0x4f8/0xa40 [ 3812.733152][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3812.733152][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3812.733152][ T74] netlink_rcv_skb+0x130/0x360 [ 3812.733152][ T74] netlink_unicast+0x449/0x710 [ 3812.733152][ T74] netlink_sendmsg+0x723/0xbe0 [ 3812.733152][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3812.733152][ T74] ___sys_sendmsg+0xee/0x170 [ 3812.733152][ T74] __sys_sendmsg+0xcd/0x170 [ 3812.733152][ T74] do_syscall_64+0xc6/0x1e0 [ 3812.733152][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3812.733152][ T74] [ 3812.735326][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3812.735326][ T74] netdev_get_by_index+0x5e/0x80 [ 3812.735326][ T74] fib6_nh_init+0x3d8/0x1580 [ 3812.735326][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3812.735326][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3812.735326][ T74] ipv6_add_addr+0x411/0x2000 [ 3812.735326][ T74] inet6_addr_add+0x30e/0xa40 [ 3812.735326][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3812.735326][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3812.735326][ T74] netlink_rcv_skb+0x130/0x360 [ 3812.735326][ T74] netlink_unicast+0x449/0x710 [ 3812.735326][ T74] netlink_sendmsg+0x723/0xbe0 [ 3812.735326][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3812.735326][ T74] ___sys_sendmsg+0xee/0x170 [ 3812.735326][ T74] __sys_sendmsg+0xcd/0x170 [ 3812.735326][ T74] do_syscall_64+0xc6/0x1e0 [ 3812.735326][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3812.735326][ T74] [ 3812.737477][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3812.737477][ T74] netdev_get_by_index+0x5e/0x80 [ 3812.737477][ T74] fib6_nh_init+0x3d8/0x1580 [ 3812.737477][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3812.737477][ T74] ip6_route_add+0x1c/0x140 [ 3812.737477][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3812.737477][ T74] addrconf_add_dev+0xe2/0x170 [ 3812.737477][ T74] inet6_addr_add+0x12f/0xa40 [ 3812.737477][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3812.737477][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3812.737477][ T74] netlink_rcv_skb+0x130/0x360 [ 3812.737477][ T74] netlink_unicast+0x449/0x710 [ 3812.737477][ T74] netlink_sendmsg+0x723/0xbe0 [ 3812.737477][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3812.737477][ T74] ___sys_sendmsg+0xee/0x170 [ 3812.737477][ T74] __sys_sendmsg+0xcd/0x170 [ 3812.737477][ T74] do_syscall_64+0xc6/0x1e0 [ 3812.737477][ T74] [ 3812.739585][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3812.739585][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3812.739585][ T74] ipv6_find_idev+0x102/0x170 [ 3812.739585][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3812.739585][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3812.739585][ T74] netlink_rcv_skb+0x130/0x360 [ 3812.739585][ T74] netlink_unicast+0x449/0x710 [ 3812.739585][ T74] netlink_sendmsg+0x723/0xbe0 [ 3812.739585][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3812.739585][ T74] ___sys_sendmsg+0xee/0x170 [ 3812.739585][ T74] __sys_sendmsg+0xcd/0x170 [ 3812.739585][ T74] do_syscall_64+0xc6/0x1e0 [ 3812.739585][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3812.739585][ T74] [ 3812.741381][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3812.741381][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3812.741381][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3812.741381][ T74] ipv6_find_idev+0x102/0x170 [ 3812.741381][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3812.741381][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3812.741381][ T74] netlink_rcv_skb+0x130/0x360 [ 3812.741381][ T74] netlink_unicast+0x449/0x710 [ 3812.741381][ T74] netlink_sendmsg+0x723/0xbe0 [ 3812.741381][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3812.741381][ T74] ___sys_sendmsg+0xee/0x170 [ 3812.741381][ T74] __sys_sendmsg+0xcd/0x170 [ 3812.741381][ T74] do_syscall_64+0xc6/0x1e0 [ 3812.741381][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3812.741381][ T74] [ 3812.743475][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3812.743758][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3812.743758][ T74] netdev_get_by_index+0x5e/0x80 [ 3812.743758][ T74] fib6_nh_init+0x3d8/0x1580 [ 3812.743758][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3812.743758][ T74] ip6_route_add+0x1c/0x140 [ 3812.743758][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3812.743758][ T74] inet6_addr_add+0x4f8/0xa40 [ 3812.743758][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3812.743758][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3812.743758][ T74] netlink_rcv_skb+0x130/0x360 [ 3812.743758][ T74] netlink_unicast+0x449/0x710 [ 3812.743758][ T74] netlink_sendmsg+0x723/0xbe0 [ 3812.743758][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3812.743758][ T74] ___sys_sendmsg+0xee/0x170 [ 3812.743758][ T74] __sys_sendmsg+0xcd/0x170 [ 3812.743758][ T74] do_syscall_64+0xc6/0x1e0 [ 3812.743758][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3812.743758][ T74] [ 3812.746249][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3812.746249][ T74] netdev_get_by_index+0x5e/0x80 [ 3812.746249][ T74] fib6_nh_init+0x3d8/0x1580 [ 3812.746249][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3812.746249][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3812.746249][ T74] ipv6_add_addr+0x411/0x2000 [ 3812.746249][ T74] inet6_addr_add+0x30e/0xa40 [ 3812.746249][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3812.746249][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3812.746249][ T74] netlink_rcv_skb+0x130/0x360 [ 3812.746249][ T74] netlink_unicast+0x449/0x710 [ 3812.746249][ T74] netlink_sendmsg+0x723/0xbe0 [ 3812.746249][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3812.746249][ T74] ___sys_sendmsg+0xee/0x170 [ 3812.746249][ T74] __sys_sendmsg+0xcd/0x170 [ 3812.746249][ T74] do_syscall_64+0xc6/0x1e0 [ 3812.746249][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3812.746249][ T74] [ 3812.748707][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3812.748707][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3812.748707][ T74] ipv6_find_idev+0x102/0x170 [ 3812.748707][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3812.748707][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3812.748707][ T74] netlink_rcv_skb+0x130/0x360 [ 3812.748707][ T74] netlink_unicast+0x449/0x710 [ 3812.748707][ T74] netlink_sendmsg+0x723/0xbe0 [ 3812.748707][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3812.748707][ T74] ___sys_sendmsg+0xee/0x170 [ 3812.748707][ T74] __sys_sendmsg+0xcd/0x170 [ 3812.748707][ T74] do_syscall_64+0xc6/0x1e0 [ 3812.748707][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3812.748707][ T74] [ 3812.750560][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3812.750560][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3812.750560][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3812.750560][ T74] ipv6_find_idev+0x102/0x170 [ 3812.750560][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3812.750560][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3812.750560][ T74] netlink_rcv_skb+0x130/0x360 [ 3812.750560][ T74] netlink_unicast+0x449/0x710 [ 3812.750560][ T74] netlink_sendmsg+0x723/0xbe0 [ 3812.750560][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3812.750560][ T74] ___sys_sendmsg+0xee/0x170 [ 3812.750560][ T74] __sys_sendmsg+0xcd/0x170 [ 3812.750560][ T74] do_syscall_64+0xc6/0x1e0 [ 3812.750560][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3812.750560][ T74] [ 3822.991948][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3822.992370][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3822.992370][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3822.992370][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3822.992370][ T74] fib6_nh_init+0xa22/0x1580 [ 3822.992370][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3822.992370][ T74] ip6_route_add+0x1c/0x140 [ 3822.992370][ T74] inet6_rtm_newroute+0x104/0x110 [ 3822.992370][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3822.992370][ T74] netlink_rcv_skb+0x130/0x360 [ 3822.992370][ T74] netlink_unicast+0x449/0x710 [ 3822.992370][ T74] netlink_sendmsg+0x723/0xbe0 [ 3822.992370][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3822.992370][ T74] ___sys_sendmsg+0xee/0x170 [ 3822.992370][ T74] __sys_sendmsg+0xcd/0x170 [ 3822.992370][ T74] do_syscall_64+0xc6/0x1e0 [ 3822.992370][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3822.992370][ T74] [ 3822.994314][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3822.994314][ T74] netdev_get_by_index+0x5e/0x80 [ 3822.994314][ T74] fib6_nh_init+0x3d8/0x1580 [ 3822.994314][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3822.994314][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3822.994314][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3822.994314][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3822.994314][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3822.994314][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3822.994314][ T74] addrconf_dad_begin+0x310/0x670 [ 3822.994314][ T74] addrconf_dad_work+0x10b/0xab0 [ 3822.994314][ T74] process_one_work+0x84d/0x18a0 [ 3822.994314][ T74] worker_thread+0x587/0xd30 [ 3822.994314][ T74] kthread+0x28a/0x350 [ 3822.994314][ T74] ret_from_fork+0x31/0x70 [ 3822.994314][ T74] ret_from_fork_asm+0x1a/0x30 [ 3822.994314][ T74] [ 3822.996220][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3822.996220][ T74] netdev_get_by_index+0x5e/0x80 [ 3822.996220][ T74] fib6_nh_init+0x3d8/0x1580 [ 3822.996220][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3822.996220][ T74] ip6_route_add+0x1c/0x140 [ 3822.996220][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3822.996220][ T74] inet6_addr_add+0x4f8/0xa40 [ 3822.996220][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3822.996220][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3822.996220][ T74] netlink_rcv_skb+0x130/0x360 [ 3822.996220][ T74] netlink_unicast+0x449/0x710 [ 3822.996220][ T74] netlink_sendmsg+0x723/0xbe0 [ 3822.996220][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3822.996220][ T74] ___sys_sendmsg+0xee/0x170 [ 3822.996220][ T74] __sys_sendmsg+0xcd/0x170 [ 3822.996220][ T74] do_syscall_64+0xc6/0x1e0 [ 3822.996220][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3822.996220][ T74] [ 3822.998209][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3822.998209][ T74] netdev_get_by_index+0x5e/0x80 [ 3822.998209][ T74] fib6_nh_init+0x3d8/0x1580 [ 3822.998209][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3822.998209][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3822.998209][ T74] ipv6_add_addr+0x411/0x2000 [ 3822.998209][ T74] inet6_addr_add+0x30e/0xa40 [ 3822.998209][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3822.998209][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3822.998209][ T74] netlink_rcv_skb+0x130/0x360 [ 3822.998209][ T74] netlink_unicast+0x449/0x710 [ 3822.998209][ T74] netlink_sendmsg+0x723/0xbe0 [ 3822.998209][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3822.998209][ T74] ___sys_sendmsg+0xee/0x170 [ 3822.998209][ T74] __sys_sendmsg+0xcd/0x170 [ 3822.998209][ T74] do_syscall_64+0xc6/0x1e0 [ 3822.998209][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3822.998209][ T74] [ 3823.000202][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3823.000202][ T74] netdev_get_by_index+0x5e/0x80 [ 3823.000202][ T74] fib6_nh_init+0x3d8/0x1580 [ 3823.000202][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3823.000202][ T74] ip6_route_add+0x1c/0x140 [ 3823.000202][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3823.000202][ T74] addrconf_add_dev+0xe2/0x170 [ 3823.000202][ T74] inet6_addr_add+0x12f/0xa40 [ 3823.000202][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3823.000202][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3823.000202][ T74] netlink_rcv_skb+0x130/0x360 [ 3823.000202][ T74] netlink_unicast+0x449/0x710 [ 3823.000202][ T74] netlink_sendmsg+0x723/0xbe0 [ 3823.000202][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3823.000202][ T74] ___sys_sendmsg+0xee/0x170 [ 3823.000202][ T74] __sys_sendmsg+0xcd/0x170 [ 3823.000202][ T74] do_syscall_64+0xc6/0x1e0 [ 3823.000202][ T74] [ 3823.002181][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3823.002181][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3823.002181][ T74] ipv6_find_idev+0x102/0x170 [ 3823.002181][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3823.002181][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3823.002181][ T74] netlink_rcv_skb+0x130/0x360 [ 3823.002181][ T74] netlink_unicast+0x449/0x710 [ 3823.002181][ T74] netlink_sendmsg+0x723/0xbe0 [ 3823.002181][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3823.002181][ T74] ___sys_sendmsg+0xee/0x170 [ 3823.002181][ T74] __sys_sendmsg+0xcd/0x170 [ 3823.002181][ T74] do_syscall_64+0xc6/0x1e0 [ 3823.002181][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3823.002181][ T74] [ 3823.003723][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3823.003723][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3823.003723][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3823.003723][ T74] ipv6_find_idev+0x102/0x170 [ 3823.003723][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3823.003723][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3823.003723][ T74] netlink_rcv_skb+0x130/0x360 [ 3823.003723][ T74] netlink_unicast+0x449/0x710 [ 3823.003723][ T74] netlink_sendmsg+0x723/0xbe0 [ 3823.003723][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3823.003723][ T74] ___sys_sendmsg+0xee/0x170 [ 3823.003723][ T74] __sys_sendmsg+0xcd/0x170 [ 3823.003723][ T74] do_syscall_64+0xc6/0x1e0 [ 3823.003723][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3823.003723][ T74] [ 3823.005406][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3823.005681][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3823.005681][ T74] dst_init+0x84/0x4a0 [ 3823.005681][ T74] dst_alloc+0x97/0x150 [ 3823.005681][ T74] ip6_dst_alloc+0x23/0x90 [ 3823.005681][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3823.005681][ T74] ip6_pol_route+0x56f/0x840 [ 3823.005681][ T74] fib6_rule_lookup+0x456/0x630 [ 3823.005681][ T74] ip6_route_input+0x59c/0xa50 [ 3823.005681][ T74] ipv6_rcv+0x397/0x810 [ 3823.005681][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3823.005681][ T74] process_backlog+0x101/0x620 [ 3823.005681][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3823.005681][ T74] net_rx_action+0x495/0xbe0 [ 3823.005681][ T74] __do_softirq+0x1b5/0x7f6 [ 3823.005681][ T74] [ 3823.007310][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3823.007310][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3823.007310][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3823.007310][ T74] fib6_nh_init+0xa22/0x1580 [ 3823.007310][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3823.007310][ T74] ip6_route_add+0x1c/0x140 [ 3823.007310][ T74] inet6_rtm_newroute+0x104/0x110 [ 3823.007310][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3823.007310][ T74] netlink_rcv_skb+0x130/0x360 [ 3823.007310][ T74] netlink_unicast+0x449/0x710 [ 3823.007310][ T74] netlink_sendmsg+0x723/0xbe0 [ 3823.007310][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3823.007310][ T74] ___sys_sendmsg+0xee/0x170 [ 3823.007310][ T74] __sys_sendmsg+0xcd/0x170 [ 3823.007310][ T74] do_syscall_64+0xc6/0x1e0 [ 3823.007310][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3823.007310][ T74] [ 3823.009213][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3823.009213][ T74] netdev_get_by_index+0x5e/0x80 [ 3823.009213][ T74] fib6_nh_init+0x3d8/0x1580 [ 3823.009213][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3823.009213][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3823.009213][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3823.009213][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3823.009213][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3823.009213][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3823.009213][ T74] addrconf_dad_begin+0x310/0x670 [ 3823.009213][ T74] addrconf_dad_work+0x10b/0xab0 [ 3823.009213][ T74] process_one_work+0x84d/0x18a0 [ 3823.009213][ T74] worker_thread+0x587/0xd30 [ 3823.009213][ T74] kthread+0x28a/0x350 [ 3823.009213][ T74] ret_from_fork+0x31/0x70 [ 3823.009213][ T74] ret_from_fork_asm+0x1a/0x30 [ 3823.009213][ T74] [ 3823.011134][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3823.011134][ T74] netdev_get_by_index+0x5e/0x80 [ 3823.011134][ T74] fib6_nh_init+0x3d8/0x1580 [ 3823.011134][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3823.011134][ T74] ip6_route_add+0x1c/0x140 [ 3823.011134][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3823.011134][ T74] inet6_addr_add+0x4f8/0xa40 [ 3823.011134][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3823.011134][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3823.011134][ T74] netlink_rcv_skb+0x130/0x360 [ 3823.011134][ T74] netlink_unicast+0x449/0x710 [ 3823.011134][ T74] netlink_sendmsg+0x723/0xbe0 [ 3823.011134][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3823.011134][ T74] ___sys_sendmsg+0xee/0x170 [ 3823.011134][ T74] __sys_sendmsg+0xcd/0x170 [ 3823.011134][ T74] do_syscall_64+0xc6/0x1e0 [ 3823.011134][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3823.011134][ T74] [ 3823.013122][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3823.013122][ T74] netdev_get_by_index+0x5e/0x80 [ 3823.013122][ T74] fib6_nh_init+0x3d8/0x1580 [ 3823.013122][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3823.013122][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3823.013122][ T74] ipv6_add_addr+0x411/0x2000 [ 3823.013122][ T74] inet6_addr_add+0x30e/0xa40 [ 3823.013122][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3823.013122][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3823.013122][ T74] netlink_rcv_skb+0x130/0x360 [ 3823.013122][ T74] netlink_unicast+0x449/0x710 [ 3823.013122][ T74] netlink_sendmsg+0x723/0xbe0 [ 3823.013122][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3823.013122][ T74] ___sys_sendmsg+0xee/0x170 [ 3823.013122][ T74] __sys_sendmsg+0xcd/0x170 [ 3823.013122][ T74] do_syscall_64+0xc6/0x1e0 [ 3823.013122][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3823.013122][ T74] [ 3823.015107][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3823.015107][ T74] netdev_get_by_index+0x5e/0x80 [ 3823.015107][ T74] fib6_nh_init+0x3d8/0x1580 [ 3823.015107][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3823.015107][ T74] ip6_route_add+0x1c/0x140 [ 3823.015107][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3823.015107][ T74] addrconf_add_dev+0xe2/0x170 [ 3823.015107][ T74] inet6_addr_add+0x12f/0xa40 [ 3823.015107][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3823.015107][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3823.015107][ T74] netlink_rcv_skb+0x130/0x360 [ 3823.015107][ T74] netlink_unicast+0x449/0x710 [ 3823.015107][ T74] netlink_sendmsg+0x723/0xbe0 [ 3823.015107][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3823.015107][ T74] ___sys_sendmsg+0xee/0x170 [ 3823.015107][ T74] __sys_sendmsg+0xcd/0x170 [ 3823.015107][ T74] do_syscall_64+0xc6/0x1e0 [ 3823.015107][ T74] [ 3823.017067][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3823.017067][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3823.017067][ T74] ipv6_find_idev+0x102/0x170 [ 3823.017067][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3823.017067][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3823.017067][ T74] netlink_rcv_skb+0x130/0x360 [ 3823.017067][ T74] netlink_unicast+0x449/0x710 [ 3823.017067][ T74] netlink_sendmsg+0x723/0xbe0 [ 3823.017067][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3823.017067][ T74] ___sys_sendmsg+0xee/0x170 [ 3823.017067][ T74] __sys_sendmsg+0xcd/0x170 [ 3823.017067][ T74] do_syscall_64+0xc6/0x1e0 [ 3823.017067][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3823.017067][ T74] [ 3823.018718][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3823.018718][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3823.018718][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3823.018718][ T74] ipv6_find_idev+0x102/0x170 [ 3823.018718][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3823.018718][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3823.018718][ T74] netlink_rcv_skb+0x130/0x360 [ 3823.018718][ T74] netlink_unicast+0x449/0x710 [ 3823.018718][ T74] netlink_sendmsg+0x723/0xbe0 [ 3823.018718][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3823.018718][ T74] ___sys_sendmsg+0xee/0x170 [ 3823.018718][ T74] __sys_sendmsg+0xcd/0x170 [ 3823.018718][ T74] do_syscall_64+0xc6/0x1e0 [ 3823.018718][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3823.018718][ T74] [ 3823.020650][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3823.020915][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3823.020915][ T74] netdev_get_by_index+0x5e/0x80 [ 3823.020915][ T74] fib6_nh_init+0x3d8/0x1580 [ 3823.020915][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3823.020915][ T74] ip6_route_add+0x1c/0x140 [ 3823.020915][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3823.020915][ T74] inet6_addr_add+0x4f8/0xa40 [ 3823.020915][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3823.020915][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3823.020915][ T74] netlink_rcv_skb+0x130/0x360 [ 3823.020915][ T74] netlink_unicast+0x449/0x710 [ 3823.020915][ T74] netlink_sendmsg+0x723/0xbe0 [ 3823.020915][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3823.020915][ T74] ___sys_sendmsg+0xee/0x170 [ 3823.020915][ T74] __sys_sendmsg+0xcd/0x170 [ 3823.020915][ T74] do_syscall_64+0xc6/0x1e0 [ 3823.020915][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3823.020915][ T74] [ 3823.023150][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3823.023150][ T74] netdev_get_by_index+0x5e/0x80 [ 3823.023150][ T74] fib6_nh_init+0x3d8/0x1580 [ 3823.023150][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3823.023150][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3823.023150][ T74] ipv6_add_addr+0x411/0x2000 [ 3823.023150][ T74] inet6_addr_add+0x30e/0xa40 [ 3823.023150][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3823.023150][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3823.023150][ T74] netlink_rcv_skb+0x130/0x360 [ 3823.023150][ T74] netlink_unicast+0x449/0x710 [ 3823.023150][ T74] netlink_sendmsg+0x723/0xbe0 [ 3823.023150][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3823.023150][ T74] ___sys_sendmsg+0xee/0x170 [ 3823.023150][ T74] __sys_sendmsg+0xcd/0x170 [ 3823.023150][ T74] do_syscall_64+0xc6/0x1e0 [ 3823.023150][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3823.023150][ T74] [ 3823.025377][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3823.025377][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3823.025377][ T74] ipv6_find_idev+0x102/0x170 [ 3823.025377][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3823.025377][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3823.025377][ T74] netlink_rcv_skb+0x130/0x360 [ 3823.025377][ T74] netlink_unicast+0x449/0x710 [ 3823.025377][ T74] netlink_sendmsg+0x723/0xbe0 [ 3823.025377][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3823.025377][ T74] ___sys_sendmsg+0xee/0x170 [ 3823.025377][ T74] __sys_sendmsg+0xcd/0x170 [ 3823.025377][ T74] do_syscall_64+0xc6/0x1e0 [ 3823.025377][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3823.025377][ T74] [ 3823.027044][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3823.027044][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3823.027044][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3823.027044][ T74] ipv6_find_idev+0x102/0x170 [ 3823.027044][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3823.027044][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3823.027044][ T74] netlink_rcv_skb+0x130/0x360 [ 3823.027044][ T74] netlink_unicast+0x449/0x710 [ 3823.027044][ T74] netlink_sendmsg+0x723/0xbe0 [ 3823.027044][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3823.027044][ T74] ___sys_sendmsg+0xee/0x170 [ 3823.027044][ T74] __sys_sendmsg+0xcd/0x170 [ 3823.027044][ T74] do_syscall_64+0xc6/0x1e0 [ 3823.027044][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3823.027044][ T74] [ 3833.271992][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3833.272429][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3833.272429][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3833.272429][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3833.272429][ T74] fib6_nh_init+0xa22/0x1580 [ 3833.272429][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3833.272429][ T74] ip6_route_add+0x1c/0x140 [ 3833.272429][ T74] inet6_rtm_newroute+0x104/0x110 [ 3833.272429][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3833.272429][ T74] netlink_rcv_skb+0x130/0x360 [ 3833.272429][ T74] netlink_unicast+0x449/0x710 [ 3833.272429][ T74] netlink_sendmsg+0x723/0xbe0 [ 3833.272429][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3833.272429][ T74] ___sys_sendmsg+0xee/0x170 [ 3833.272429][ T74] __sys_sendmsg+0xcd/0x170 [ 3833.272429][ T74] do_syscall_64+0xc6/0x1e0 [ 3833.272429][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3833.272429][ T74] [ 3833.274336][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3833.274336][ T74] netdev_get_by_index+0x5e/0x80 [ 3833.274336][ T74] fib6_nh_init+0x3d8/0x1580 [ 3833.274336][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3833.274336][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3833.274336][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3833.274336][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3833.274336][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3833.274336][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3833.274336][ T74] addrconf_dad_begin+0x310/0x670 [ 3833.274336][ T74] addrconf_dad_work+0x10b/0xab0 [ 3833.274336][ T74] process_one_work+0x84d/0x18a0 [ 3833.274336][ T74] worker_thread+0x587/0xd30 [ 3833.274336][ T74] kthread+0x28a/0x350 [ 3833.274336][ T74] ret_from_fork+0x31/0x70 [ 3833.274336][ T74] ret_from_fork_asm+0x1a/0x30 [ 3833.274336][ T74] [ 3833.276252][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3833.276252][ T74] netdev_get_by_index+0x5e/0x80 [ 3833.276252][ T74] fib6_nh_init+0x3d8/0x1580 [ 3833.276252][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3833.276252][ T74] ip6_route_add+0x1c/0x140 [ 3833.276252][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3833.276252][ T74] inet6_addr_add+0x4f8/0xa40 [ 3833.276252][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3833.276252][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3833.276252][ T74] netlink_rcv_skb+0x130/0x360 [ 3833.276252][ T74] netlink_unicast+0x449/0x710 [ 3833.276252][ T74] netlink_sendmsg+0x723/0xbe0 [ 3833.276252][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3833.276252][ T74] ___sys_sendmsg+0xee/0x170 [ 3833.276252][ T74] __sys_sendmsg+0xcd/0x170 [ 3833.276252][ T74] do_syscall_64+0xc6/0x1e0 [ 3833.276252][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3833.276252][ T74] [ 3833.278266][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3833.278266][ T74] netdev_get_by_index+0x5e/0x80 [ 3833.278266][ T74] fib6_nh_init+0x3d8/0x1580 [ 3833.278266][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3833.278266][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3833.278266][ T74] ipv6_add_addr+0x411/0x2000 [ 3833.278266][ T74] inet6_addr_add+0x30e/0xa40 [ 3833.278266][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3833.278266][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3833.278266][ T74] netlink_rcv_skb+0x130/0x360 [ 3833.278266][ T74] netlink_unicast+0x449/0x710 [ 3833.278266][ T74] netlink_sendmsg+0x723/0xbe0 [ 3833.278266][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3833.278266][ T74] ___sys_sendmsg+0xee/0x170 [ 3833.278266][ T74] __sys_sendmsg+0xcd/0x170 [ 3833.278266][ T74] do_syscall_64+0xc6/0x1e0 [ 3833.278266][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3833.278266][ T74] [ 3833.280274][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3833.280274][ T74] netdev_get_by_index+0x5e/0x80 [ 3833.280274][ T74] fib6_nh_init+0x3d8/0x1580 [ 3833.280274][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3833.280274][ T74] ip6_route_add+0x1c/0x140 [ 3833.280274][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3833.280274][ T74] addrconf_add_dev+0xe2/0x170 [ 3833.280274][ T74] inet6_addr_add+0x12f/0xa40 [ 3833.280274][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3833.280274][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3833.280274][ T74] netlink_rcv_skb+0x130/0x360 [ 3833.280274][ T74] netlink_unicast+0x449/0x710 [ 3833.280274][ T74] netlink_sendmsg+0x723/0xbe0 [ 3833.280274][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3833.280274][ T74] ___sys_sendmsg+0xee/0x170 [ 3833.280274][ T74] __sys_sendmsg+0xcd/0x170 [ 3833.280274][ T74] do_syscall_64+0xc6/0x1e0 [ 3833.280274][ T74] [ 3833.282257][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3833.282257][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3833.282257][ T74] ipv6_find_idev+0x102/0x170 [ 3833.282257][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3833.282257][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3833.282257][ T74] netlink_rcv_skb+0x130/0x360 [ 3833.282257][ T74] netlink_unicast+0x449/0x710 [ 3833.282257][ T74] netlink_sendmsg+0x723/0xbe0 [ 3833.282257][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3833.282257][ T74] ___sys_sendmsg+0xee/0x170 [ 3833.282257][ T74] __sys_sendmsg+0xcd/0x170 [ 3833.282257][ T74] do_syscall_64+0xc6/0x1e0 [ 3833.282257][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3833.282257][ T74] [ 3833.283804][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3833.283804][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3833.283804][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3833.283804][ T74] ipv6_find_idev+0x102/0x170 [ 3833.283804][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3833.283804][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3833.283804][ T74] netlink_rcv_skb+0x130/0x360 [ 3833.283804][ T74] netlink_unicast+0x449/0x710 [ 3833.283804][ T74] netlink_sendmsg+0x723/0xbe0 [ 3833.283804][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3833.283804][ T74] ___sys_sendmsg+0xee/0x170 [ 3833.283804][ T74] __sys_sendmsg+0xcd/0x170 [ 3833.283804][ T74] do_syscall_64+0xc6/0x1e0 [ 3833.283804][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3833.283804][ T74] [ 3833.285497][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3833.285772][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3833.285772][ T74] dst_init+0x84/0x4a0 [ 3833.285772][ T74] dst_alloc+0x97/0x150 [ 3833.285772][ T74] ip6_dst_alloc+0x23/0x90 [ 3833.285772][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3833.285772][ T74] ip6_pol_route+0x56f/0x840 [ 3833.285772][ T74] fib6_rule_lookup+0x456/0x630 [ 3833.285772][ T74] ip6_route_input+0x59c/0xa50 [ 3833.285772][ T74] ipv6_rcv+0x397/0x810 [ 3833.285772][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3833.285772][ T74] process_backlog+0x101/0x620 [ 3833.285772][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3833.285772][ T74] net_rx_action+0x495/0xbe0 [ 3833.285772][ T74] __do_softirq+0x1b5/0x7f6 [ 3833.285772][ T74] [ 3833.287417][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3833.287417][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3833.287417][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3833.287417][ T74] fib6_nh_init+0xa22/0x1580 [ 3833.287417][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3833.287417][ T74] ip6_route_add+0x1c/0x140 [ 3833.287417][ T74] inet6_rtm_newroute+0x104/0x110 [ 3833.287417][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3833.287417][ T74] netlink_rcv_skb+0x130/0x360 [ 3833.287417][ T74] netlink_unicast+0x449/0x710 [ 3833.287417][ T74] netlink_sendmsg+0x723/0xbe0 [ 3833.287417][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3833.287417][ T74] ___sys_sendmsg+0xee/0x170 [ 3833.287417][ T74] __sys_sendmsg+0xcd/0x170 [ 3833.287417][ T74] do_syscall_64+0xc6/0x1e0 [ 3833.287417][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3833.287417][ T74] [ 3833.289291][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3833.289291][ T74] netdev_get_by_index+0x5e/0x80 [ 3833.289291][ T74] fib6_nh_init+0x3d8/0x1580 [ 3833.289291][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3833.289291][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3833.289291][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3833.289291][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3833.289291][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3833.289291][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3833.289291][ T74] addrconf_dad_begin+0x310/0x670 [ 3833.289291][ T74] addrconf_dad_work+0x10b/0xab0 [ 3833.289291][ T74] process_one_work+0x84d/0x18a0 [ 3833.289291][ T74] worker_thread+0x587/0xd30 [ 3833.289291][ T74] kthread+0x28a/0x350 [ 3833.289291][ T74] ret_from_fork+0x31/0x70 [ 3833.289291][ T74] ret_from_fork_asm+0x1a/0x30 [ 3833.289291][ T74] [ 3833.291213][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3833.291213][ T74] netdev_get_by_index+0x5e/0x80 [ 3833.291213][ T74] fib6_nh_init+0x3d8/0x1580 [ 3833.291213][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3833.291213][ T74] ip6_route_add+0x1c/0x140 [ 3833.291213][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3833.291213][ T74] inet6_addr_add+0x4f8/0xa40 [ 3833.291213][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3833.291213][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3833.291213][ T74] netlink_rcv_skb+0x130/0x360 [ 3833.291213][ T74] netlink_unicast+0x449/0x710 [ 3833.291213][ T74] netlink_sendmsg+0x723/0xbe0 [ 3833.291213][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3833.291213][ T74] ___sys_sendmsg+0xee/0x170 [ 3833.291213][ T74] __sys_sendmsg+0xcd/0x170 [ 3833.291213][ T74] do_syscall_64+0xc6/0x1e0 [ 3833.291213][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3833.291213][ T74] [ 3833.293211][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3833.293211][ T74] netdev_get_by_index+0x5e/0x80 [ 3833.293211][ T74] fib6_nh_init+0x3d8/0x1580 [ 3833.293211][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3833.293211][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3833.293211][ T74] ipv6_add_addr+0x411/0x2000 [ 3833.293211][ T74] inet6_addr_add+0x30e/0xa40 [ 3833.293211][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3833.293211][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3833.293211][ T74] netlink_rcv_skb+0x130/0x360 [ 3833.293211][ T74] netlink_unicast+0x449/0x710 [ 3833.293211][ T74] netlink_sendmsg+0x723/0xbe0 [ 3833.293211][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3833.293211][ T74] ___sys_sendmsg+0xee/0x170 [ 3833.293211][ T74] __sys_sendmsg+0xcd/0x170 [ 3833.293211][ T74] do_syscall_64+0xc6/0x1e0 [ 3833.293211][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3833.293211][ T74] [ 3833.295226][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3833.295226][ T74] netdev_get_by_index+0x5e/0x80 [ 3833.295226][ T74] fib6_nh_init+0x3d8/0x1580 [ 3833.295226][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3833.295226][ T74] ip6_route_add+0x1c/0x140 [ 3833.295226][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3833.295226][ T74] addrconf_add_dev+0xe2/0x170 [ 3833.295226][ T74] inet6_addr_add+0x12f/0xa40 [ 3833.295226][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3833.295226][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3833.295226][ T74] netlink_rcv_skb+0x130/0x360 [ 3833.295226][ T74] netlink_unicast+0x449/0x710 [ 3833.295226][ T74] netlink_sendmsg+0x723/0xbe0 [ 3833.295226][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3833.295226][ T74] ___sys_sendmsg+0xee/0x170 [ 3833.295226][ T74] __sys_sendmsg+0xcd/0x170 [ 3833.295226][ T74] do_syscall_64+0xc6/0x1e0 [ 3833.295226][ T74] [ 3833.297186][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3833.297186][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3833.297186][ T74] ipv6_find_idev+0x102/0x170 [ 3833.297186][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3833.297186][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3833.297186][ T74] netlink_rcv_skb+0x130/0x360 [ 3833.297186][ T74] netlink_unicast+0x449/0x710 [ 3833.297186][ T74] netlink_sendmsg+0x723/0xbe0 [ 3833.297186][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3833.297186][ T74] ___sys_sendmsg+0xee/0x170 [ 3833.297186][ T74] __sys_sendmsg+0xcd/0x170 [ 3833.297186][ T74] do_syscall_64+0xc6/0x1e0 [ 3833.297186][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3833.297186][ T74] [ 3833.298845][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3833.298845][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3833.298845][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3833.298845][ T74] ipv6_find_idev+0x102/0x170 [ 3833.298845][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3833.298845][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3833.298845][ T74] netlink_rcv_skb+0x130/0x360 [ 3833.298845][ T74] netlink_unicast+0x449/0x710 [ 3833.298845][ T74] netlink_sendmsg+0x723/0xbe0 [ 3833.298845][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3833.298845][ T74] ___sys_sendmsg+0xee/0x170 [ 3833.298845][ T74] __sys_sendmsg+0xcd/0x170 [ 3833.298845][ T74] do_syscall_64+0xc6/0x1e0 [ 3833.298845][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3833.298845][ T74] [ 3833.300866][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3833.301102][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3833.301102][ T74] netdev_get_by_index+0x5e/0x80 [ 3833.301102][ T74] fib6_nh_init+0x3d8/0x1580 [ 3833.301102][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3833.301102][ T74] ip6_route_add+0x1c/0x140 [ 3833.301102][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3833.301102][ T74] inet6_addr_add+0x4f8/0xa40 [ 3833.301102][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3833.301102][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3833.301102][ T74] netlink_rcv_skb+0x130/0x360 [ 3833.301102][ T74] netlink_unicast+0x449/0x710 [ 3833.301102][ T74] netlink_sendmsg+0x723/0xbe0 [ 3833.301102][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3833.301102][ T74] ___sys_sendmsg+0xee/0x170 [ 3833.301102][ T74] __sys_sendmsg+0xcd/0x170 [ 3833.301102][ T74] do_syscall_64+0xc6/0x1e0 [ 3833.301102][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3833.301102][ T74] [ 3833.303338][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3833.303338][ T74] netdev_get_by_index+0x5e/0x80 [ 3833.303338][ T74] fib6_nh_init+0x3d8/0x1580 [ 3833.303338][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3833.303338][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3833.303338][ T74] ipv6_add_addr+0x411/0x2000 [ 3833.303338][ T74] inet6_addr_add+0x30e/0xa40 [ 3833.303338][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3833.303338][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3833.303338][ T74] netlink_rcv_skb+0x130/0x360 [ 3833.303338][ T74] netlink_unicast+0x449/0x710 [ 3833.303338][ T74] netlink_sendmsg+0x723/0xbe0 [ 3833.303338][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3833.303338][ T74] ___sys_sendmsg+0xee/0x170 [ 3833.303338][ T74] __sys_sendmsg+0xcd/0x170 [ 3833.303338][ T74] do_syscall_64+0xc6/0x1e0 [ 3833.303338][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3833.303338][ T74] [ 3833.305576][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3833.305576][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3833.305576][ T74] ipv6_find_idev+0x102/0x170 [ 3833.305576][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3833.305576][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3833.305576][ T74] netlink_rcv_skb+0x130/0x360 [ 3833.305576][ T74] netlink_unicast+0x449/0x710 [ 3833.305576][ T74] netlink_sendmsg+0x723/0xbe0 [ 3833.305576][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3833.305576][ T74] ___sys_sendmsg+0xee/0x170 [ 3833.305576][ T74] __sys_sendmsg+0xcd/0x170 [ 3833.305576][ T74] do_syscall_64+0xc6/0x1e0 [ 3833.305576][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3833.305576][ T74] [ 3833.307177][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3833.307177][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3833.307177][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3833.307177][ T74] ipv6_find_idev+0x102/0x170 [ 3833.307177][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3833.307177][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3833.307177][ T74] netlink_rcv_skb+0x130/0x360 [ 3833.307177][ T74] netlink_unicast+0x449/0x710 [ 3833.307177][ T74] netlink_sendmsg+0x723/0xbe0 [ 3833.307177][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3833.307177][ T74] ___sys_sendmsg+0xee/0x170 [ 3833.307177][ T74] __sys_sendmsg+0xcd/0x170 [ 3833.307177][ T74] do_syscall_64+0xc6/0x1e0 [ 3833.307177][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3833.307177][ T74] [ 3843.552034][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3843.552445][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3843.552445][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3843.552445][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3843.552445][ T74] fib6_nh_init+0xa22/0x1580 [ 3843.552445][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3843.552445][ T74] ip6_route_add+0x1c/0x140 [ 3843.552445][ T74] inet6_rtm_newroute+0x104/0x110 [ 3843.552445][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3843.552445][ T74] netlink_rcv_skb+0x130/0x360 [ 3843.552445][ T74] netlink_unicast+0x449/0x710 [ 3843.552445][ T74] netlink_sendmsg+0x723/0xbe0 [ 3843.552445][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3843.552445][ T74] ___sys_sendmsg+0xee/0x170 [ 3843.552445][ T74] __sys_sendmsg+0xcd/0x170 [ 3843.552445][ T74] do_syscall_64+0xc6/0x1e0 [ 3843.552445][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3843.552445][ T74] [ 3843.554538][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3843.554538][ T74] netdev_get_by_index+0x5e/0x80 [ 3843.554538][ T74] fib6_nh_init+0x3d8/0x1580 [ 3843.554538][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3843.554538][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3843.554538][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3843.554538][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3843.554538][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3843.554538][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3843.554538][ T74] addrconf_dad_begin+0x310/0x670 [ 3843.554538][ T74] addrconf_dad_work+0x10b/0xab0 [ 3843.554538][ T74] process_one_work+0x84d/0x18a0 [ 3843.554538][ T74] worker_thread+0x587/0xd30 [ 3843.554538][ T74] kthread+0x28a/0x350 [ 3843.554538][ T74] ret_from_fork+0x31/0x70 [ 3843.554538][ T74] ret_from_fork_asm+0x1a/0x30 [ 3843.554538][ T74] [ 3843.556633][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3843.556633][ T74] netdev_get_by_index+0x5e/0x80 [ 3843.556633][ T74] fib6_nh_init+0x3d8/0x1580 [ 3843.556633][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3843.556633][ T74] ip6_route_add+0x1c/0x140 [ 3843.556633][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3843.556633][ T74] inet6_addr_add+0x4f8/0xa40 [ 3843.556633][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3843.556633][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3843.556633][ T74] netlink_rcv_skb+0x130/0x360 [ 3843.556633][ T74] netlink_unicast+0x449/0x710 [ 3843.556633][ T74] netlink_sendmsg+0x723/0xbe0 [ 3843.556633][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3843.556633][ T74] ___sys_sendmsg+0xee/0x170 [ 3843.556633][ T74] __sys_sendmsg+0xcd/0x170 [ 3843.556633][ T74] do_syscall_64+0xc6/0x1e0 [ 3843.556633][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3843.556633][ T74] [ 3843.558851][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3843.558851][ T74] netdev_get_by_index+0x5e/0x80 [ 3843.558851][ T74] fib6_nh_init+0x3d8/0x1580 [ 3843.558851][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3843.558851][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3843.558851][ T74] ipv6_add_addr+0x411/0x2000 [ 3843.558851][ T74] inet6_addr_add+0x30e/0xa40 [ 3843.558851][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3843.558851][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3843.558851][ T74] netlink_rcv_skb+0x130/0x360 [ 3843.558851][ T74] netlink_unicast+0x449/0x710 [ 3843.558851][ T74] netlink_sendmsg+0x723/0xbe0 [ 3843.558851][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3843.558851][ T74] ___sys_sendmsg+0xee/0x170 [ 3843.558851][ T74] __sys_sendmsg+0xcd/0x170 [ 3843.558851][ T74] do_syscall_64+0xc6/0x1e0 [ 3843.558851][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3843.558851][ T74] [ 3843.561074][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3843.561074][ T74] netdev_get_by_index+0x5e/0x80 [ 3843.561074][ T74] fib6_nh_init+0x3d8/0x1580 [ 3843.561074][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3843.561074][ T74] ip6_route_add+0x1c/0x140 [ 3843.561074][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3843.561074][ T74] addrconf_add_dev+0xe2/0x170 [ 3843.561074][ T74] inet6_addr_add+0x12f/0xa40 [ 3843.561074][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3843.561074][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3843.561074][ T74] netlink_rcv_skb+0x130/0x360 [ 3843.561074][ T74] netlink_unicast+0x449/0x710 [ 3843.561074][ T74] netlink_sendmsg+0x723/0xbe0 [ 3843.561074][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3843.561074][ T74] ___sys_sendmsg+0xee/0x170 [ 3843.561074][ T74] __sys_sendmsg+0xcd/0x170 [ 3843.561074][ T74] do_syscall_64+0xc6/0x1e0 [ 3843.561074][ T74] [ 3843.563240][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3843.563240][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3843.563240][ T74] ipv6_find_idev+0x102/0x170 [ 3843.563240][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3843.563240][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3843.563240][ T74] netlink_rcv_skb+0x130/0x360 [ 3843.563240][ T74] netlink_unicast+0x449/0x710 [ 3843.563240][ T74] netlink_sendmsg+0x723/0xbe0 [ 3843.563240][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3843.563240][ T74] ___sys_sendmsg+0xee/0x170 [ 3843.563240][ T74] __sys_sendmsg+0xcd/0x170 [ 3843.563240][ T74] do_syscall_64+0xc6/0x1e0 [ 3843.563240][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3843.563240][ T74] [ 3843.564923][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3843.564923][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3843.564923][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3843.564923][ T74] ipv6_find_idev+0x102/0x170 [ 3843.564923][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3843.564923][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3843.564923][ T74] netlink_rcv_skb+0x130/0x360 [ 3843.564923][ T74] netlink_unicast+0x449/0x710 [ 3843.564923][ T74] netlink_sendmsg+0x723/0xbe0 [ 3843.564923][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3843.564923][ T74] ___sys_sendmsg+0xee/0x170 [ 3843.564923][ T74] __sys_sendmsg+0xcd/0x170 [ 3843.564923][ T74] do_syscall_64+0xc6/0x1e0 [ 3843.564923][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3843.564923][ T74] [ 3843.566773][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3843.567097][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3843.567097][ T74] dst_init+0x84/0x4a0 [ 3843.567097][ T74] dst_alloc+0x97/0x150 [ 3843.567097][ T74] ip6_dst_alloc+0x23/0x90 [ 3843.567097][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3843.567097][ T74] ip6_pol_route+0x56f/0x840 [ 3843.567097][ T74] fib6_rule_lookup+0x456/0x630 [ 3843.567097][ T74] ip6_route_input+0x59c/0xa50 [ 3843.567097][ T74] ipv6_rcv+0x397/0x810 [ 3843.567097][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3843.567097][ T74] process_backlog+0x101/0x620 [ 3843.567097][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3843.567097][ T74] net_rx_action+0x495/0xbe0 [ 3843.567097][ T74] __do_softirq+0x1b5/0x7f6 [ 3843.567097][ T74] [ 3843.568898][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3843.568898][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3843.568898][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3843.568898][ T74] fib6_nh_init+0xa22/0x1580 [ 3843.568898][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3843.568898][ T74] ip6_route_add+0x1c/0x140 [ 3843.568898][ T74] inet6_rtm_newroute+0x104/0x110 [ 3843.568898][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3843.568898][ T74] netlink_rcv_skb+0x130/0x360 [ 3843.568898][ T74] netlink_unicast+0x449/0x710 [ 3843.568898][ T74] netlink_sendmsg+0x723/0xbe0 [ 3843.568898][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3843.568898][ T74] ___sys_sendmsg+0xee/0x170 [ 3843.568898][ T74] __sys_sendmsg+0xcd/0x170 [ 3843.568898][ T74] do_syscall_64+0xc6/0x1e0 [ 3843.568898][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3843.568898][ T74] [ 3843.570959][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3843.570959][ T74] netdev_get_by_index+0x5e/0x80 [ 3843.570959][ T74] fib6_nh_init+0x3d8/0x1580 [ 3843.570959][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3843.570959][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3843.570959][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3843.570959][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3843.570959][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3843.570959][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3843.570959][ T74] addrconf_dad_begin+0x310/0x670 [ 3843.570959][ T74] addrconf_dad_work+0x10b/0xab0 [ 3843.570959][ T74] process_one_work+0x84d/0x18a0 [ 3843.570959][ T74] worker_thread+0x587/0xd30 [ 3843.570959][ T74] kthread+0x28a/0x350 [ 3843.570959][ T74] ret_from_fork+0x31/0x70 [ 3843.570959][ T74] ret_from_fork_asm+0x1a/0x30 [ 3843.570959][ T74] [ 3843.573057][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3843.573057][ T74] netdev_get_by_index+0x5e/0x80 [ 3843.573057][ T74] fib6_nh_init+0x3d8/0x1580 [ 3843.573057][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3843.573057][ T74] ip6_route_add+0x1c/0x140 [ 3843.573057][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3843.573057][ T74] inet6_addr_add+0x4f8/0xa40 [ 3843.573057][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3843.573057][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3843.573057][ T74] netlink_rcv_skb+0x130/0x360 [ 3843.573057][ T74] netlink_unicast+0x449/0x710 [ 3843.573057][ T74] netlink_sendmsg+0x723/0xbe0 [ 3843.573057][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3843.573057][ T74] ___sys_sendmsg+0xee/0x170 [ 3843.573057][ T74] __sys_sendmsg+0xcd/0x170 [ 3843.573057][ T74] do_syscall_64+0xc6/0x1e0 [ 3843.573057][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3843.573057][ T74] [ 3843.575236][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3843.575236][ T74] netdev_get_by_index+0x5e/0x80 [ 3843.575236][ T74] fib6_nh_init+0x3d8/0x1580 [ 3843.575236][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3843.575236][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3843.575236][ T74] ipv6_add_addr+0x411/0x2000 [ 3843.575236][ T74] inet6_addr_add+0x30e/0xa40 [ 3843.575236][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3843.575236][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3843.575236][ T74] netlink_rcv_skb+0x130/0x360 [ 3843.575236][ T74] netlink_unicast+0x449/0x710 [ 3843.575236][ T74] netlink_sendmsg+0x723/0xbe0 [ 3843.575236][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3843.575236][ T74] ___sys_sendmsg+0xee/0x170 [ 3843.575236][ T74] __sys_sendmsg+0xcd/0x170 [ 3843.575236][ T74] do_syscall_64+0xc6/0x1e0 [ 3843.575236][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3843.575236][ T74] [ 3843.577414][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3843.577414][ T74] netdev_get_by_index+0x5e/0x80 [ 3843.577414][ T74] fib6_nh_init+0x3d8/0x1580 [ 3843.577414][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3843.577414][ T74] ip6_route_add+0x1c/0x140 [ 3843.577414][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3843.577414][ T74] addrconf_add_dev+0xe2/0x170 [ 3843.577414][ T74] inet6_addr_add+0x12f/0xa40 [ 3843.577414][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3843.577414][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3843.577414][ T74] netlink_rcv_skb+0x130/0x360 [ 3843.577414][ T74] netlink_unicast+0x449/0x710 [ 3843.577414][ T74] netlink_sendmsg+0x723/0xbe0 [ 3843.577414][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3843.577414][ T74] ___sys_sendmsg+0xee/0x170 [ 3843.577414][ T74] __sys_sendmsg+0xcd/0x170 [ 3843.577414][ T74] do_syscall_64+0xc6/0x1e0 [ 3843.577414][ T74] [ 3843.579563][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3843.579563][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3843.579563][ T74] ipv6_find_idev+0x102/0x170 [ 3843.579563][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3843.579563][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3843.579563][ T74] netlink_rcv_skb+0x130/0x360 [ 3843.579563][ T74] netlink_unicast+0x449/0x710 [ 3843.579563][ T74] netlink_sendmsg+0x723/0xbe0 [ 3843.579563][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3843.579563][ T74] ___sys_sendmsg+0xee/0x170 [ 3843.579563][ T74] __sys_sendmsg+0xcd/0x170 [ 3843.579563][ T74] do_syscall_64+0xc6/0x1e0 [ 3843.579563][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3843.579563][ T74] [ 3843.581371][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3843.581371][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3843.581371][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3843.581371][ T74] ipv6_find_idev+0x102/0x170 [ 3843.581371][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3843.581371][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3843.581371][ T74] netlink_rcv_skb+0x130/0x360 [ 3843.581371][ T74] netlink_unicast+0x449/0x710 [ 3843.581371][ T74] netlink_sendmsg+0x723/0xbe0 [ 3843.581371][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3843.581371][ T74] ___sys_sendmsg+0xee/0x170 [ 3843.581371][ T74] __sys_sendmsg+0xcd/0x170 [ 3843.581371][ T74] do_syscall_64+0xc6/0x1e0 [ 3843.581371][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3843.581371][ T74] [ 3843.583522][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3843.583777][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3843.583777][ T74] netdev_get_by_index+0x5e/0x80 [ 3843.583777][ T74] fib6_nh_init+0x3d8/0x1580 [ 3843.583777][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3843.583777][ T74] ip6_route_add+0x1c/0x140 [ 3843.583777][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3843.583777][ T74] inet6_addr_add+0x4f8/0xa40 [ 3843.583777][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3843.583777][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3843.583777][ T74] netlink_rcv_skb+0x130/0x360 [ 3843.583777][ T74] netlink_unicast+0x449/0x710 [ 3843.583777][ T74] netlink_sendmsg+0x723/0xbe0 [ 3843.583777][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3843.583777][ T74] ___sys_sendmsg+0xee/0x170 [ 3843.583777][ T74] __sys_sendmsg+0xcd/0x170 [ 3843.583777][ T74] do_syscall_64+0xc6/0x1e0 [ 3843.583777][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3843.583777][ T74] [ 3843.586721][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3843.586721][ T74] netdev_get_by_index+0x5e/0x80 [ 3843.586721][ T74] fib6_nh_init+0x3d8/0x1580 [ 3843.586721][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3843.586721][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3843.586721][ T74] ipv6_add_addr+0x411/0x2000 [ 3843.586721][ T74] inet6_addr_add+0x30e/0xa40 [ 3843.586721][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3843.586721][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3843.586721][ T74] netlink_rcv_skb+0x130/0x360 [ 3843.586721][ T74] netlink_unicast+0x449/0x710 [ 3843.586721][ T74] netlink_sendmsg+0x723/0xbe0 [ 3843.586721][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3843.586721][ T74] ___sys_sendmsg+0xee/0x170 [ 3843.586721][ T74] __sys_sendmsg+0xcd/0x170 [ 3843.586721][ T74] do_syscall_64+0xc6/0x1e0 [ 3843.586721][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3843.586721][ T74] [ 3843.589137][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3843.589137][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3843.589137][ T74] ipv6_find_idev+0x102/0x170 [ 3843.589137][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3843.589137][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3843.589137][ T74] netlink_rcv_skb+0x130/0x360 [ 3843.589137][ T74] netlink_unicast+0x449/0x710 [ 3843.589137][ T74] netlink_sendmsg+0x723/0xbe0 [ 3843.589137][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3843.589137][ T74] ___sys_sendmsg+0xee/0x170 [ 3843.589137][ T74] __sys_sendmsg+0xcd/0x170 [ 3843.589137][ T74] do_syscall_64+0xc6/0x1e0 [ 3843.589137][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3843.589137][ T74] [ 3843.591340][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3843.591340][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3843.591340][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3843.591340][ T74] ipv6_find_idev+0x102/0x170 [ 3843.591340][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3843.591340][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3843.591340][ T74] netlink_rcv_skb+0x130/0x360 [ 3843.591340][ T74] netlink_unicast+0x449/0x710 [ 3843.591340][ T74] netlink_sendmsg+0x723/0xbe0 [ 3843.591340][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3843.591340][ T74] ___sys_sendmsg+0xee/0x170 [ 3843.591340][ T74] __sys_sendmsg+0xcd/0x170 [ 3843.591340][ T74] do_syscall_64+0xc6/0x1e0 [ 3843.591340][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3843.591340][ T74] [ 3853.831963][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3853.832393][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3853.832393][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3853.832393][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3853.832393][ T74] fib6_nh_init+0xa22/0x1580 [ 3853.832393][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3853.832393][ T74] ip6_route_add+0x1c/0x140 [ 3853.832393][ T74] inet6_rtm_newroute+0x104/0x110 [ 3853.832393][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3853.832393][ T74] netlink_rcv_skb+0x130/0x360 [ 3853.832393][ T74] netlink_unicast+0x449/0x710 [ 3853.832393][ T74] netlink_sendmsg+0x723/0xbe0 [ 3853.832393][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3853.832393][ T74] ___sys_sendmsg+0xee/0x170 [ 3853.832393][ T74] __sys_sendmsg+0xcd/0x170 [ 3853.832393][ T74] do_syscall_64+0xc6/0x1e0 [ 3853.832393][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3853.832393][ T74] [ 3853.834286][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3853.834286][ T74] netdev_get_by_index+0x5e/0x80 [ 3853.834286][ T74] fib6_nh_init+0x3d8/0x1580 [ 3853.834286][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3853.834286][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3853.834286][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3853.834286][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3853.834286][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3853.834286][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3853.834286][ T74] addrconf_dad_begin+0x310/0x670 [ 3853.834286][ T74] addrconf_dad_work+0x10b/0xab0 [ 3853.834286][ T74] process_one_work+0x84d/0x18a0 [ 3853.834286][ T74] worker_thread+0x587/0xd30 [ 3853.834286][ T74] kthread+0x28a/0x350 [ 3853.834286][ T74] ret_from_fork+0x31/0x70 [ 3853.834286][ T74] ret_from_fork_asm+0x1a/0x30 [ 3853.834286][ T74] [ 3853.836197][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3853.836197][ T74] netdev_get_by_index+0x5e/0x80 [ 3853.836197][ T74] fib6_nh_init+0x3d8/0x1580 [ 3853.836197][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3853.836197][ T74] ip6_route_add+0x1c/0x140 [ 3853.836197][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3853.836197][ T74] inet6_addr_add+0x4f8/0xa40 [ 3853.836197][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3853.836197][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3853.836197][ T74] netlink_rcv_skb+0x130/0x360 [ 3853.836197][ T74] netlink_unicast+0x449/0x710 [ 3853.836197][ T74] netlink_sendmsg+0x723/0xbe0 [ 3853.836197][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3853.836197][ T74] ___sys_sendmsg+0xee/0x170 [ 3853.836197][ T74] __sys_sendmsg+0xcd/0x170 [ 3853.836197][ T74] do_syscall_64+0xc6/0x1e0 [ 3853.836197][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3853.836197][ T74] [ 3853.838182][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3853.838182][ T74] netdev_get_by_index+0x5e/0x80 [ 3853.838182][ T74] fib6_nh_init+0x3d8/0x1580 [ 3853.838182][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3853.838182][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3853.838182][ T74] ipv6_add_addr+0x411/0x2000 [ 3853.838182][ T74] inet6_addr_add+0x30e/0xa40 [ 3853.838182][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3853.838182][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3853.838182][ T74] netlink_rcv_skb+0x130/0x360 [ 3853.838182][ T74] netlink_unicast+0x449/0x710 [ 3853.838182][ T74] netlink_sendmsg+0x723/0xbe0 [ 3853.838182][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3853.838182][ T74] ___sys_sendmsg+0xee/0x170 [ 3853.838182][ T74] __sys_sendmsg+0xcd/0x170 [ 3853.838182][ T74] do_syscall_64+0xc6/0x1e0 [ 3853.838182][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3853.838182][ T74] [ 3853.840187][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3853.840187][ T74] netdev_get_by_index+0x5e/0x80 [ 3853.840187][ T74] fib6_nh_init+0x3d8/0x1580 [ 3853.840187][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3853.840187][ T74] ip6_route_add+0x1c/0x140 [ 3853.840187][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3853.840187][ T74] addrconf_add_dev+0xe2/0x170 [ 3853.840187][ T74] inet6_addr_add+0x12f/0xa40 [ 3853.840187][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3853.840187][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3853.840187][ T74] netlink_rcv_skb+0x130/0x360 [ 3853.840187][ T74] netlink_unicast+0x449/0x710 [ 3853.840187][ T74] netlink_sendmsg+0x723/0xbe0 [ 3853.840187][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3853.840187][ T74] ___sys_sendmsg+0xee/0x170 [ 3853.840187][ T74] __sys_sendmsg+0xcd/0x170 [ 3853.840187][ T74] do_syscall_64+0xc6/0x1e0 [ 3853.840187][ T74] [ 3853.842196][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3853.842196][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3853.842196][ T74] ipv6_find_idev+0x102/0x170 [ 3853.842196][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3853.842196][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3853.842196][ T74] netlink_rcv_skb+0x130/0x360 [ 3853.842196][ T74] netlink_unicast+0x449/0x710 [ 3853.842196][ T74] netlink_sendmsg+0x723/0xbe0 [ 3853.842196][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3853.842196][ T74] ___sys_sendmsg+0xee/0x170 [ 3853.842196][ T74] __sys_sendmsg+0xcd/0x170 [ 3853.842196][ T74] do_syscall_64+0xc6/0x1e0 [ 3853.842196][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3853.842196][ T74] [ 3853.843731][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3853.843731][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3853.843731][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3853.843731][ T74] ipv6_find_idev+0x102/0x170 [ 3853.843731][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3853.843731][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3853.843731][ T74] netlink_rcv_skb+0x130/0x360 [ 3853.843731][ T74] netlink_unicast+0x449/0x710 [ 3853.843731][ T74] netlink_sendmsg+0x723/0xbe0 [ 3853.843731][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3853.843731][ T74] ___sys_sendmsg+0xee/0x170 [ 3853.843731][ T74] __sys_sendmsg+0xcd/0x170 [ 3853.843731][ T74] do_syscall_64+0xc6/0x1e0 [ 3853.843731][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3853.843731][ T74] [ 3853.845412][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3853.845684][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3853.845684][ T74] dst_init+0x84/0x4a0 [ 3853.845684][ T74] dst_alloc+0x97/0x150 [ 3853.845684][ T74] ip6_dst_alloc+0x23/0x90 [ 3853.845684][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3853.845684][ T74] ip6_pol_route+0x56f/0x840 [ 3853.845684][ T74] fib6_rule_lookup+0x456/0x630 [ 3853.845684][ T74] ip6_route_input+0x59c/0xa50 [ 3853.845684][ T74] ipv6_rcv+0x397/0x810 [ 3853.845684][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3853.845684][ T74] process_backlog+0x101/0x620 [ 3853.845684][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3853.845684][ T74] net_rx_action+0x495/0xbe0 [ 3853.845684][ T74] __do_softirq+0x1b5/0x7f6 [ 3853.845684][ T74] [ 3853.847465][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3853.847465][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3853.847465][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3853.847465][ T74] fib6_nh_init+0xa22/0x1580 [ 3853.847465][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3853.847465][ T74] ip6_route_add+0x1c/0x140 [ 3853.847465][ T74] inet6_rtm_newroute+0x104/0x110 [ 3853.847465][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3853.847465][ T74] netlink_rcv_skb+0x130/0x360 [ 3853.847465][ T74] netlink_unicast+0x449/0x710 [ 3853.847465][ T74] netlink_sendmsg+0x723/0xbe0 [ 3853.847465][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3853.847465][ T74] ___sys_sendmsg+0xee/0x170 [ 3853.847465][ T74] __sys_sendmsg+0xcd/0x170 [ 3853.847465][ T74] do_syscall_64+0xc6/0x1e0 [ 3853.847465][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3853.847465][ T74] [ 3853.850316][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3853.850316][ T74] netdev_get_by_index+0x5e/0x80 [ 3853.850316][ T74] fib6_nh_init+0x3d8/0x1580 [ 3853.850316][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3853.850316][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3853.850316][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3853.850316][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3853.850316][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3853.850316][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3853.850316][ T74] addrconf_dad_begin+0x310/0x670 [ 3853.850316][ T74] addrconf_dad_work+0x10b/0xab0 [ 3853.850316][ T74] process_one_work+0x84d/0x18a0 [ 3853.850316][ T74] worker_thread+0x587/0xd30 [ 3853.850316][ T74] kthread+0x28a/0x350 [ 3853.850316][ T74] ret_from_fork+0x31/0x70 [ 3853.850316][ T74] ret_from_fork_asm+0x1a/0x30 [ 3853.850316][ T74] [ 3853.853360][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3853.853360][ T74] netdev_get_by_index+0x5e/0x80 [ 3853.853360][ T74] fib6_nh_init+0x3d8/0x1580 [ 3853.853360][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3853.853360][ T74] ip6_route_add+0x1c/0x140 [ 3853.853360][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3853.853360][ T74] inet6_addr_add+0x4f8/0xa40 [ 3853.853360][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3853.853360][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3853.853360][ T74] netlink_rcv_skb+0x130/0x360 [ 3853.853360][ T74] netlink_unicast+0x449/0x710 [ 3853.853360][ T74] netlink_sendmsg+0x723/0xbe0 [ 3853.853360][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3853.853360][ T74] ___sys_sendmsg+0xee/0x170 [ 3853.853360][ T74] __sys_sendmsg+0xcd/0x170 [ 3853.853360][ T74] do_syscall_64+0xc6/0x1e0 [ 3853.853360][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3853.853360][ T74] [ 3853.856465][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3853.856465][ T74] netdev_get_by_index+0x5e/0x80 [ 3853.856465][ T74] fib6_nh_init+0x3d8/0x1580 [ 3853.856465][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3853.856465][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3853.856465][ T74] ipv6_add_addr+0x411/0x2000 [ 3853.856465][ T74] inet6_addr_add+0x30e/0xa40 [ 3853.856465][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3853.856465][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3853.856465][ T74] netlink_rcv_skb+0x130/0x360 [ 3853.856465][ T74] netlink_unicast+0x449/0x710 [ 3853.856465][ T74] netlink_sendmsg+0x723/0xbe0 [ 3853.856465][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3853.856465][ T74] ___sys_sendmsg+0xee/0x170 [ 3853.856465][ T74] __sys_sendmsg+0xcd/0x170 [ 3853.856465][ T74] do_syscall_64+0xc6/0x1e0 [ 3853.856465][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3853.856465][ T74] [ 3853.859489][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3853.859489][ T74] netdev_get_by_index+0x5e/0x80 [ 3853.859489][ T74] fib6_nh_init+0x3d8/0x1580 [ 3853.859489][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3853.859489][ T74] ip6_route_add+0x1c/0x140 [ 3853.859489][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3853.859489][ T74] addrconf_add_dev+0xe2/0x170 [ 3853.859489][ T74] inet6_addr_add+0x12f/0xa40 [ 3853.859489][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3853.859489][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3853.859489][ T74] netlink_rcv_skb+0x130/0x360 [ 3853.859489][ T74] netlink_unicast+0x449/0x710 [ 3853.859489][ T74] netlink_sendmsg+0x723/0xbe0 [ 3853.859489][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3853.859489][ T74] ___sys_sendmsg+0xee/0x170 [ 3853.859489][ T74] __sys_sendmsg+0xcd/0x170 [ 3853.859489][ T74] do_syscall_64+0xc6/0x1e0 [ 3853.859489][ T74] [ 3853.862435][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3853.862435][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3853.862435][ T74] ipv6_find_idev+0x102/0x170 [ 3853.862435][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3853.862435][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3853.862435][ T74] netlink_rcv_skb+0x130/0x360 [ 3853.862435][ T74] netlink_unicast+0x449/0x710 [ 3853.862435][ T74] netlink_sendmsg+0x723/0xbe0 [ 3853.862435][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3853.862435][ T74] ___sys_sendmsg+0xee/0x170 [ 3853.862435][ T74] __sys_sendmsg+0xcd/0x170 [ 3853.862435][ T74] do_syscall_64+0xc6/0x1e0 [ 3853.862435][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3853.862435][ T74] [ 3853.864981][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3853.864981][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3853.864981][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3853.864981][ T74] ipv6_find_idev+0x102/0x170 [ 3853.864981][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3853.864981][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3853.864981][ T74] netlink_rcv_skb+0x130/0x360 [ 3853.864981][ T74] netlink_unicast+0x449/0x710 [ 3853.864981][ T74] netlink_sendmsg+0x723/0xbe0 [ 3853.864981][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3853.864981][ T74] ___sys_sendmsg+0xee/0x170 [ 3853.864981][ T74] __sys_sendmsg+0xcd/0x170 [ 3853.864981][ T74] do_syscall_64+0xc6/0x1e0 [ 3853.864981][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3853.864981][ T74] [ 3853.868014][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3853.868401][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3853.868401][ T74] netdev_get_by_index+0x5e/0x80 [ 3853.868401][ T74] fib6_nh_init+0x3d8/0x1580 [ 3853.868401][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3853.868401][ T74] ip6_route_add+0x1c/0x140 [ 3853.868401][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3853.868401][ T74] inet6_addr_add+0x4f8/0xa40 [ 3853.868401][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3853.868401][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3853.868401][ T74] netlink_rcv_skb+0x130/0x360 [ 3853.868401][ T74] netlink_unicast+0x449/0x710 [ 3853.868401][ T74] netlink_sendmsg+0x723/0xbe0 [ 3853.868401][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3853.868401][ T74] ___sys_sendmsg+0xee/0x170 [ 3853.868401][ T74] __sys_sendmsg+0xcd/0x170 [ 3853.868401][ T74] do_syscall_64+0xc6/0x1e0 [ 3853.868401][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3853.868401][ T74] [ 3853.871776][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3853.871776][ T74] netdev_get_by_index+0x5e/0x80 [ 3853.871776][ T74] fib6_nh_init+0x3d8/0x1580 [ 3853.871776][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3853.871776][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3853.871776][ T74] ipv6_add_addr+0x411/0x2000 [ 3853.871776][ T74] inet6_addr_add+0x30e/0xa40 [ 3853.871776][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3853.871776][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3853.871776][ T74] netlink_rcv_skb+0x130/0x360 [ 3853.871776][ T74] netlink_unicast+0x449/0x710 [ 3853.871776][ T74] netlink_sendmsg+0x723/0xbe0 [ 3853.871776][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3853.871776][ T74] ___sys_sendmsg+0xee/0x170 [ 3853.871776][ T74] __sys_sendmsg+0xcd/0x170 [ 3853.871776][ T74] do_syscall_64+0xc6/0x1e0 [ 3853.871776][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3853.871776][ T74] [ 3853.875159][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3853.875159][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3853.875159][ T74] ipv6_find_idev+0x102/0x170 [ 3853.875159][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3853.875159][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3853.875159][ T74] netlink_rcv_skb+0x130/0x360 [ 3853.875159][ T74] netlink_unicast+0x449/0x710 [ 3853.875159][ T74] netlink_sendmsg+0x723/0xbe0 [ 3853.875159][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3853.875159][ T74] ___sys_sendmsg+0xee/0x170 [ 3853.875159][ T74] __sys_sendmsg+0xcd/0x170 [ 3853.875159][ T74] do_syscall_64+0xc6/0x1e0 [ 3853.875159][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3853.875159][ T74] [ 3853.877767][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3853.877767][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3853.877767][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3853.877767][ T74] ipv6_find_idev+0x102/0x170 [ 3853.877767][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3853.877767][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3853.877767][ T74] netlink_rcv_skb+0x130/0x360 [ 3853.877767][ T74] netlink_unicast+0x449/0x710 [ 3853.877767][ T74] netlink_sendmsg+0x723/0xbe0 [ 3853.877767][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3853.877767][ T74] ___sys_sendmsg+0xee/0x170 [ 3853.877767][ T74] __sys_sendmsg+0xcd/0x170 [ 3853.877767][ T74] do_syscall_64+0xc6/0x1e0 [ 3853.877767][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3853.877767][ T74] [ 3864.120021][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3864.120393][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3864.120393][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3864.120393][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3864.120393][ T74] fib6_nh_init+0xa22/0x1580 [ 3864.120393][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3864.120393][ T74] ip6_route_add+0x1c/0x140 [ 3864.120393][ T74] inet6_rtm_newroute+0x104/0x110 [ 3864.120393][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3864.120393][ T74] netlink_rcv_skb+0x130/0x360 [ 3864.120393][ T74] netlink_unicast+0x449/0x710 [ 3864.120393][ T74] netlink_sendmsg+0x723/0xbe0 [ 3864.120393][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3864.120393][ T74] ___sys_sendmsg+0xee/0x170 [ 3864.120393][ T74] __sys_sendmsg+0xcd/0x170 [ 3864.120393][ T74] do_syscall_64+0xc6/0x1e0 [ 3864.120393][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3864.120393][ T74] [ 3864.122286][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3864.122286][ T74] netdev_get_by_index+0x5e/0x80 [ 3864.122286][ T74] fib6_nh_init+0x3d8/0x1580 [ 3864.122286][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3864.122286][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3864.122286][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3864.122286][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3864.122286][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3864.122286][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3864.122286][ T74] addrconf_dad_begin+0x310/0x670 [ 3864.122286][ T74] addrconf_dad_work+0x10b/0xab0 [ 3864.122286][ T74] process_one_work+0x84d/0x18a0 [ 3864.122286][ T74] worker_thread+0x587/0xd30 [ 3864.122286][ T74] kthread+0x28a/0x350 [ 3864.122286][ T74] ret_from_fork+0x31/0x70 [ 3864.122286][ T74] ret_from_fork_asm+0x1a/0x30 [ 3864.122286][ T74] [ 3864.124206][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3864.124206][ T74] netdev_get_by_index+0x5e/0x80 [ 3864.124206][ T74] fib6_nh_init+0x3d8/0x1580 [ 3864.124206][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3864.124206][ T74] ip6_route_add+0x1c/0x140 [ 3864.124206][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3864.124206][ T74] inet6_addr_add+0x4f8/0xa40 [ 3864.124206][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3864.124206][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3864.124206][ T74] netlink_rcv_skb+0x130/0x360 [ 3864.124206][ T74] netlink_unicast+0x449/0x710 [ 3864.124206][ T74] netlink_sendmsg+0x723/0xbe0 [ 3864.124206][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3864.124206][ T74] ___sys_sendmsg+0xee/0x170 [ 3864.124206][ T74] __sys_sendmsg+0xcd/0x170 [ 3864.124206][ T74] do_syscall_64+0xc6/0x1e0 [ 3864.124206][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3864.124206][ T74] [ 3864.126201][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3864.126201][ T74] netdev_get_by_index+0x5e/0x80 [ 3864.126201][ T74] fib6_nh_init+0x3d8/0x1580 [ 3864.126201][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3864.126201][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3864.126201][ T74] ipv6_add_addr+0x411/0x2000 [ 3864.126201][ T74] inet6_addr_add+0x30e/0xa40 [ 3864.126201][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3864.126201][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3864.126201][ T74] netlink_rcv_skb+0x130/0x360 [ 3864.126201][ T74] netlink_unicast+0x449/0x710 [ 3864.126201][ T74] netlink_sendmsg+0x723/0xbe0 [ 3864.126201][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3864.126201][ T74] ___sys_sendmsg+0xee/0x170 [ 3864.126201][ T74] __sys_sendmsg+0xcd/0x170 [ 3864.126201][ T74] do_syscall_64+0xc6/0x1e0 [ 3864.126201][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3864.126201][ T74] [ 3864.128205][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3864.128205][ T74] netdev_get_by_index+0x5e/0x80 [ 3864.128205][ T74] fib6_nh_init+0x3d8/0x1580 [ 3864.128205][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3864.128205][ T74] ip6_route_add+0x1c/0x140 [ 3864.128205][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3864.128205][ T74] addrconf_add_dev+0xe2/0x170 [ 3864.128205][ T74] inet6_addr_add+0x12f/0xa40 [ 3864.128205][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3864.128205][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3864.128205][ T74] netlink_rcv_skb+0x130/0x360 [ 3864.128205][ T74] netlink_unicast+0x449/0x710 [ 3864.128205][ T74] netlink_sendmsg+0x723/0xbe0 [ 3864.128205][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3864.128205][ T74] ___sys_sendmsg+0xee/0x170 [ 3864.128205][ T74] __sys_sendmsg+0xcd/0x170 [ 3864.128205][ T74] do_syscall_64+0xc6/0x1e0 [ 3864.128205][ T74] [ 3864.130157][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3864.130157][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3864.130157][ T74] ipv6_find_idev+0x102/0x170 [ 3864.130157][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3864.130157][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3864.130157][ T74] netlink_rcv_skb+0x130/0x360 [ 3864.130157][ T74] netlink_unicast+0x449/0x710 [ 3864.130157][ T74] netlink_sendmsg+0x723/0xbe0 [ 3864.130157][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3864.130157][ T74] ___sys_sendmsg+0xee/0x170 [ 3864.130157][ T74] __sys_sendmsg+0xcd/0x170 [ 3864.130157][ T74] do_syscall_64+0xc6/0x1e0 [ 3864.130157][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3864.130157][ T74] [ 3864.131709][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3864.131709][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3864.131709][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3864.131709][ T74] ipv6_find_idev+0x102/0x170 [ 3864.131709][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3864.131709][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3864.131709][ T74] netlink_rcv_skb+0x130/0x360 [ 3864.131709][ T74] netlink_unicast+0x449/0x710 [ 3864.131709][ T74] netlink_sendmsg+0x723/0xbe0 [ 3864.131709][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3864.131709][ T74] ___sys_sendmsg+0xee/0x170 [ 3864.131709][ T74] __sys_sendmsg+0xcd/0x170 [ 3864.131709][ T74] do_syscall_64+0xc6/0x1e0 [ 3864.131709][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3864.131709][ T74] [ 3864.133418][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3864.133691][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3864.133691][ T74] dst_init+0x84/0x4a0 [ 3864.133691][ T74] dst_alloc+0x97/0x150 [ 3864.133691][ T74] ip6_dst_alloc+0x23/0x90 [ 3864.133691][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3864.133691][ T74] ip6_pol_route+0x56f/0x840 [ 3864.133691][ T74] fib6_rule_lookup+0x456/0x630 [ 3864.133691][ T74] ip6_route_input+0x59c/0xa50 [ 3864.133691][ T74] ipv6_rcv+0x397/0x810 [ 3864.133691][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3864.133691][ T74] process_backlog+0x101/0x620 [ 3864.133691][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3864.133691][ T74] net_rx_action+0x495/0xbe0 [ 3864.133691][ T74] __do_softirq+0x1b5/0x7f6 [ 3864.133691][ T74] [ 3864.135321][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3864.135321][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3864.135321][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3864.135321][ T74] fib6_nh_init+0xa22/0x1580 [ 3864.135321][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3864.135321][ T74] ip6_route_add+0x1c/0x140 [ 3864.135321][ T74] inet6_rtm_newroute+0x104/0x110 [ 3864.135321][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3864.135321][ T74] netlink_rcv_skb+0x130/0x360 [ 3864.135321][ T74] netlink_unicast+0x449/0x710 [ 3864.135321][ T74] netlink_sendmsg+0x723/0xbe0 [ 3864.135321][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3864.135321][ T74] ___sys_sendmsg+0xee/0x170 [ 3864.135321][ T74] __sys_sendmsg+0xcd/0x170 [ 3864.135321][ T74] do_syscall_64+0xc6/0x1e0 [ 3864.135321][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3864.135321][ T74] [ 3864.137286][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3864.137286][ T74] netdev_get_by_index+0x5e/0x80 [ 3864.137286][ T74] fib6_nh_init+0x3d8/0x1580 [ 3864.137286][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3864.137286][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3864.137286][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3864.137286][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3864.137286][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3864.137286][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3864.137286][ T74] addrconf_dad_begin+0x310/0x670 [ 3864.137286][ T74] addrconf_dad_work+0x10b/0xab0 [ 3864.137286][ T74] process_one_work+0x84d/0x18a0 [ 3864.137286][ T74] worker_thread+0x587/0xd30 [ 3864.137286][ T74] kthread+0x28a/0x350 [ 3864.137286][ T74] ret_from_fork+0x31/0x70 [ 3864.137286][ T74] ret_from_fork_asm+0x1a/0x30 [ 3864.137286][ T74] [ 3864.139188][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3864.139188][ T74] netdev_get_by_index+0x5e/0x80 [ 3864.139188][ T74] fib6_nh_init+0x3d8/0x1580 [ 3864.139188][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3864.139188][ T74] ip6_route_add+0x1c/0x140 [ 3864.139188][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3864.139188][ T74] inet6_addr_add+0x4f8/0xa40 [ 3864.139188][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3864.139188][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3864.139188][ T74] netlink_rcv_skb+0x130/0x360 [ 3864.139188][ T74] netlink_unicast+0x449/0x710 [ 3864.139188][ T74] netlink_sendmsg+0x723/0xbe0 [ 3864.139188][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3864.139188][ T74] ___sys_sendmsg+0xee/0x170 [ 3864.139188][ T74] __sys_sendmsg+0xcd/0x170 [ 3864.139188][ T74] do_syscall_64+0xc6/0x1e0 [ 3864.139188][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3864.139188][ T74] [ 3864.141212][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3864.141212][ T74] netdev_get_by_index+0x5e/0x80 [ 3864.141212][ T74] fib6_nh_init+0x3d8/0x1580 [ 3864.141212][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3864.141212][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3864.141212][ T74] ipv6_add_addr+0x411/0x2000 [ 3864.141212][ T74] inet6_addr_add+0x30e/0xa40 [ 3864.141212][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3864.141212][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3864.141212][ T74] netlink_rcv_skb+0x130/0x360 [ 3864.141212][ T74] netlink_unicast+0x449/0x710 [ 3864.141212][ T74] netlink_sendmsg+0x723/0xbe0 [ 3864.141212][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3864.141212][ T74] ___sys_sendmsg+0xee/0x170 [ 3864.141212][ T74] __sys_sendmsg+0xcd/0x170 [ 3864.141212][ T74] do_syscall_64+0xc6/0x1e0 [ 3864.141212][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3864.141212][ T74] [ 3864.143221][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3864.143221][ T74] netdev_get_by_index+0x5e/0x80 [ 3864.143221][ T74] fib6_nh_init+0x3d8/0x1580 [ 3864.143221][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3864.143221][ T74] ip6_route_add+0x1c/0x140 [ 3864.143221][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3864.143221][ T74] addrconf_add_dev+0xe2/0x170 [ 3864.143221][ T74] inet6_addr_add+0x12f/0xa40 [ 3864.143221][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3864.143221][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3864.143221][ T74] netlink_rcv_skb+0x130/0x360 [ 3864.143221][ T74] netlink_unicast+0x449/0x710 [ 3864.143221][ T74] netlink_sendmsg+0x723/0xbe0 [ 3864.143221][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3864.143221][ T74] ___sys_sendmsg+0xee/0x170 [ 3864.143221][ T74] __sys_sendmsg+0xcd/0x170 [ 3864.143221][ T74] do_syscall_64+0xc6/0x1e0 [ 3864.143221][ T74] [ 3864.145168][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3864.145168][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3864.145168][ T74] ipv6_find_idev+0x102/0x170 [ 3864.145168][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3864.145168][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3864.145168][ T74] netlink_rcv_skb+0x130/0x360 [ 3864.145168][ T74] netlink_unicast+0x449/0x710 [ 3864.145168][ T74] netlink_sendmsg+0x723/0xbe0 [ 3864.145168][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3864.145168][ T74] ___sys_sendmsg+0xee/0x170 [ 3864.145168][ T74] __sys_sendmsg+0xcd/0x170 [ 3864.145168][ T74] do_syscall_64+0xc6/0x1e0 [ 3864.145168][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3864.145168][ T74] [ 3864.146826][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3864.146826][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3864.146826][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3864.146826][ T74] ipv6_find_idev+0x102/0x170 [ 3864.146826][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3864.146826][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3864.146826][ T74] netlink_rcv_skb+0x130/0x360 [ 3864.146826][ T74] netlink_unicast+0x449/0x710 [ 3864.146826][ T74] netlink_sendmsg+0x723/0xbe0 [ 3864.146826][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3864.146826][ T74] ___sys_sendmsg+0xee/0x170 [ 3864.146826][ T74] __sys_sendmsg+0xcd/0x170 [ 3864.146826][ T74] do_syscall_64+0xc6/0x1e0 [ 3864.146826][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3864.146826][ T74] [ 3864.148797][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3864.149045][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3864.149045][ T74] netdev_get_by_index+0x5e/0x80 [ 3864.149045][ T74] fib6_nh_init+0x3d8/0x1580 [ 3864.149045][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3864.149045][ T74] ip6_route_add+0x1c/0x140 [ 3864.149045][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3864.149045][ T74] inet6_addr_add+0x4f8/0xa40 [ 3864.149045][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3864.149045][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3864.149045][ T74] netlink_rcv_skb+0x130/0x360 [ 3864.149045][ T74] netlink_unicast+0x449/0x710 [ 3864.149045][ T74] netlink_sendmsg+0x723/0xbe0 [ 3864.149045][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3864.149045][ T74] ___sys_sendmsg+0xee/0x170 [ 3864.149045][ T74] __sys_sendmsg+0xcd/0x170 [ 3864.149045][ T74] do_syscall_64+0xc6/0x1e0 [ 3864.149045][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3864.149045][ T74] [ 3864.151364][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3864.151364][ T74] netdev_get_by_index+0x5e/0x80 [ 3864.151364][ T74] fib6_nh_init+0x3d8/0x1580 [ 3864.151364][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3864.151364][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3864.151364][ T74] ipv6_add_addr+0x411/0x2000 [ 3864.151364][ T74] inet6_addr_add+0x30e/0xa40 [ 3864.151364][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3864.151364][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3864.151364][ T74] netlink_rcv_skb+0x130/0x360 [ 3864.151364][ T74] netlink_unicast+0x449/0x710 [ 3864.151364][ T74] netlink_sendmsg+0x723/0xbe0 [ 3864.151364][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3864.151364][ T74] ___sys_sendmsg+0xee/0x170 [ 3864.151364][ T74] __sys_sendmsg+0xcd/0x170 [ 3864.151364][ T74] do_syscall_64+0xc6/0x1e0 [ 3864.151364][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3864.151364][ T74] [ 3864.153601][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3864.153601][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3864.153601][ T74] ipv6_find_idev+0x102/0x170 [ 3864.153601][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3864.153601][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3864.153601][ T74] netlink_rcv_skb+0x130/0x360 [ 3864.153601][ T74] netlink_unicast+0x449/0x710 [ 3864.153601][ T74] netlink_sendmsg+0x723/0xbe0 [ 3864.153601][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3864.153601][ T74] ___sys_sendmsg+0xee/0x170 [ 3864.153601][ T74] __sys_sendmsg+0xcd/0x170 [ 3864.153601][ T74] do_syscall_64+0xc6/0x1e0 [ 3864.153601][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3864.153601][ T74] [ 3864.155251][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3864.155251][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3864.155251][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3864.155251][ T74] ipv6_find_idev+0x102/0x170 [ 3864.155251][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3864.155251][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3864.155251][ T74] netlink_rcv_skb+0x130/0x360 [ 3864.155251][ T74] netlink_unicast+0x449/0x710 [ 3864.155251][ T74] netlink_sendmsg+0x723/0xbe0 [ 3864.155251][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3864.155251][ T74] ___sys_sendmsg+0xee/0x170 [ 3864.155251][ T74] __sys_sendmsg+0xcd/0x170 [ 3864.155251][ T74] do_syscall_64+0xc6/0x1e0 [ 3864.155251][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3864.155251][ T74] [ 3874.399930][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3874.400376][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3874.400376][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3874.400376][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3874.400376][ T74] fib6_nh_init+0xa22/0x1580 [ 3874.400376][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3874.400376][ T74] ip6_route_add+0x1c/0x140 [ 3874.400376][ T74] inet6_rtm_newroute+0x104/0x110 [ 3874.400376][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3874.400376][ T74] netlink_rcv_skb+0x130/0x360 [ 3874.400376][ T74] netlink_unicast+0x449/0x710 [ 3874.400376][ T74] netlink_sendmsg+0x723/0xbe0 [ 3874.400376][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3874.400376][ T74] ___sys_sendmsg+0xee/0x170 [ 3874.400376][ T74] __sys_sendmsg+0xcd/0x170 [ 3874.400376][ T74] do_syscall_64+0xc6/0x1e0 [ 3874.400376][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3874.400376][ T74] [ 3874.402267][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3874.402267][ T74] netdev_get_by_index+0x5e/0x80 [ 3874.402267][ T74] fib6_nh_init+0x3d8/0x1580 [ 3874.402267][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3874.402267][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3874.402267][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3874.402267][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3874.402267][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3874.402267][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3874.402267][ T74] addrconf_dad_begin+0x310/0x670 [ 3874.402267][ T74] addrconf_dad_work+0x10b/0xab0 [ 3874.402267][ T74] process_one_work+0x84d/0x18a0 [ 3874.402267][ T74] worker_thread+0x587/0xd30 [ 3874.402267][ T74] kthread+0x28a/0x350 [ 3874.402267][ T74] ret_from_fork+0x31/0x70 [ 3874.402267][ T74] ret_from_fork_asm+0x1a/0x30 [ 3874.402267][ T74] [ 3874.404196][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3874.404196][ T74] netdev_get_by_index+0x5e/0x80 [ 3874.404196][ T74] fib6_nh_init+0x3d8/0x1580 [ 3874.404196][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3874.404196][ T74] ip6_route_add+0x1c/0x140 [ 3874.404196][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3874.404196][ T74] inet6_addr_add+0x4f8/0xa40 [ 3874.404196][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3874.404196][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3874.404196][ T74] netlink_rcv_skb+0x130/0x360 [ 3874.404196][ T74] netlink_unicast+0x449/0x710 [ 3874.404196][ T74] netlink_sendmsg+0x723/0xbe0 [ 3874.404196][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3874.404196][ T74] ___sys_sendmsg+0xee/0x170 [ 3874.404196][ T74] __sys_sendmsg+0xcd/0x170 [ 3874.404196][ T74] do_syscall_64+0xc6/0x1e0 [ 3874.404196][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3874.404196][ T74] [ 3874.406187][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3874.406187][ T74] netdev_get_by_index+0x5e/0x80 [ 3874.406187][ T74] fib6_nh_init+0x3d8/0x1580 [ 3874.406187][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3874.406187][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3874.406187][ T74] ipv6_add_addr+0x411/0x2000 [ 3874.406187][ T74] inet6_addr_add+0x30e/0xa40 [ 3874.406187][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3874.406187][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3874.406187][ T74] netlink_rcv_skb+0x130/0x360 [ 3874.406187][ T74] netlink_unicast+0x449/0x710 [ 3874.406187][ T74] netlink_sendmsg+0x723/0xbe0 [ 3874.406187][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3874.406187][ T74] ___sys_sendmsg+0xee/0x170 [ 3874.406187][ T74] __sys_sendmsg+0xcd/0x170 [ 3874.406187][ T74] do_syscall_64+0xc6/0x1e0 [ 3874.406187][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3874.406187][ T74] [ 3874.408191][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3874.408191][ T74] netdev_get_by_index+0x5e/0x80 [ 3874.408191][ T74] fib6_nh_init+0x3d8/0x1580 [ 3874.408191][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3874.408191][ T74] ip6_route_add+0x1c/0x140 [ 3874.408191][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3874.408191][ T74] addrconf_add_dev+0xe2/0x170 [ 3874.408191][ T74] inet6_addr_add+0x12f/0xa40 [ 3874.408191][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3874.408191][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3874.408191][ T74] netlink_rcv_skb+0x130/0x360 [ 3874.408191][ T74] netlink_unicast+0x449/0x710 [ 3874.408191][ T74] netlink_sendmsg+0x723/0xbe0 [ 3874.408191][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3874.408191][ T74] ___sys_sendmsg+0xee/0x170 [ 3874.408191][ T74] __sys_sendmsg+0xcd/0x170 [ 3874.408191][ T74] do_syscall_64+0xc6/0x1e0 [ 3874.408191][ T74] [ 3874.410148][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3874.410148][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3874.410148][ T74] ipv6_find_idev+0x102/0x170 [ 3874.410148][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3874.410148][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3874.410148][ T74] netlink_rcv_skb+0x130/0x360 [ 3874.410148][ T74] netlink_unicast+0x449/0x710 [ 3874.410148][ T74] netlink_sendmsg+0x723/0xbe0 [ 3874.410148][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3874.410148][ T74] ___sys_sendmsg+0xee/0x170 [ 3874.410148][ T74] __sys_sendmsg+0xcd/0x170 [ 3874.410148][ T74] do_syscall_64+0xc6/0x1e0 [ 3874.410148][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3874.410148][ T74] [ 3874.411699][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3874.411699][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3874.411699][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3874.411699][ T74] ipv6_find_idev+0x102/0x170 [ 3874.411699][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3874.411699][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3874.411699][ T74] netlink_rcv_skb+0x130/0x360 [ 3874.411699][ T74] netlink_unicast+0x449/0x710 [ 3874.411699][ T74] netlink_sendmsg+0x723/0xbe0 [ 3874.411699][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3874.411699][ T74] ___sys_sendmsg+0xee/0x170 [ 3874.411699][ T74] __sys_sendmsg+0xcd/0x170 [ 3874.411699][ T74] do_syscall_64+0xc6/0x1e0 [ 3874.411699][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3874.411699][ T74] [ 3874.413384][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3874.413681][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3874.413681][ T74] dst_init+0x84/0x4a0 [ 3874.413681][ T74] dst_alloc+0x97/0x150 [ 3874.413681][ T74] ip6_dst_alloc+0x23/0x90 [ 3874.413681][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3874.413681][ T74] ip6_pol_route+0x56f/0x840 [ 3874.413681][ T74] fib6_rule_lookup+0x456/0x630 [ 3874.413681][ T74] ip6_route_input+0x59c/0xa50 [ 3874.413681][ T74] ipv6_rcv+0x397/0x810 [ 3874.413681][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3874.413681][ T74] process_backlog+0x101/0x620 [ 3874.413681][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3874.413681][ T74] net_rx_action+0x495/0xbe0 [ 3874.413681][ T74] __do_softirq+0x1b5/0x7f6 [ 3874.413681][ T74] [ 3874.415366][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3874.415366][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3874.415366][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3874.415366][ T74] fib6_nh_init+0xa22/0x1580 [ 3874.415366][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3874.415366][ T74] ip6_route_add+0x1c/0x140 [ 3874.415366][ T74] inet6_rtm_newroute+0x104/0x110 [ 3874.415366][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3874.415366][ T74] netlink_rcv_skb+0x130/0x360 [ 3874.415366][ T74] netlink_unicast+0x449/0x710 [ 3874.415366][ T74] netlink_sendmsg+0x723/0xbe0 [ 3874.415366][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3874.415366][ T74] ___sys_sendmsg+0xee/0x170 [ 3874.415366][ T74] __sys_sendmsg+0xcd/0x170 [ 3874.415366][ T74] do_syscall_64+0xc6/0x1e0 [ 3874.415366][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3874.415366][ T74] [ 3874.417250][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3874.417250][ T74] netdev_get_by_index+0x5e/0x80 [ 3874.417250][ T74] fib6_nh_init+0x3d8/0x1580 [ 3874.417250][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3874.417250][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3874.417250][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3874.417250][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3874.417250][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3874.417250][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3874.417250][ T74] addrconf_dad_begin+0x310/0x670 [ 3874.417250][ T74] addrconf_dad_work+0x10b/0xab0 [ 3874.417250][ T74] process_one_work+0x84d/0x18a0 [ 3874.417250][ T74] worker_thread+0x587/0xd30 [ 3874.417250][ T74] kthread+0x28a/0x350 [ 3874.417250][ T74] ret_from_fork+0x31/0x70 [ 3874.417250][ T74] ret_from_fork_asm+0x1a/0x30 [ 3874.417250][ T74] [ 3874.419159][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3874.419159][ T74] netdev_get_by_index+0x5e/0x80 [ 3874.419159][ T74] fib6_nh_init+0x3d8/0x1580 [ 3874.419159][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3874.419159][ T74] ip6_route_add+0x1c/0x140 [ 3874.419159][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3874.419159][ T74] inet6_addr_add+0x4f8/0xa40 [ 3874.419159][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3874.419159][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3874.419159][ T74] netlink_rcv_skb+0x130/0x360 [ 3874.419159][ T74] netlink_unicast+0x449/0x710 [ 3874.419159][ T74] netlink_sendmsg+0x723/0xbe0 [ 3874.419159][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3874.419159][ T74] ___sys_sendmsg+0xee/0x170 [ 3874.419159][ T74] __sys_sendmsg+0xcd/0x170 [ 3874.419159][ T74] do_syscall_64+0xc6/0x1e0 [ 3874.419159][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3874.419159][ T74] [ 3874.421163][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3874.421163][ T74] netdev_get_by_index+0x5e/0x80 [ 3874.421163][ T74] fib6_nh_init+0x3d8/0x1580 [ 3874.421163][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3874.421163][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3874.421163][ T74] ipv6_add_addr+0x411/0x2000 [ 3874.421163][ T74] inet6_addr_add+0x30e/0xa40 [ 3874.421163][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3874.421163][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3874.421163][ T74] netlink_rcv_skb+0x130/0x360 [ 3874.421163][ T74] netlink_unicast+0x449/0x710 [ 3874.421163][ T74] netlink_sendmsg+0x723/0xbe0 [ 3874.421163][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3874.421163][ T74] ___sys_sendmsg+0xee/0x170 [ 3874.421163][ T74] __sys_sendmsg+0xcd/0x170 [ 3874.421163][ T74] do_syscall_64+0xc6/0x1e0 [ 3874.421163][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3874.421163][ T74] [ 3874.423170][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3874.423170][ T74] netdev_get_by_index+0x5e/0x80 [ 3874.423170][ T74] fib6_nh_init+0x3d8/0x1580 [ 3874.423170][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3874.423170][ T74] ip6_route_add+0x1c/0x140 [ 3874.423170][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3874.423170][ T74] addrconf_add_dev+0xe2/0x170 [ 3874.423170][ T74] inet6_addr_add+0x12f/0xa40 [ 3874.423170][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3874.423170][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3874.423170][ T74] netlink_rcv_skb+0x130/0x360 [ 3874.423170][ T74] netlink_unicast+0x449/0x710 [ 3874.423170][ T74] netlink_sendmsg+0x723/0xbe0 [ 3874.423170][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3874.423170][ T74] ___sys_sendmsg+0xee/0x170 [ 3874.423170][ T74] __sys_sendmsg+0xcd/0x170 [ 3874.423170][ T74] do_syscall_64+0xc6/0x1e0 [ 3874.423170][ T74] [ 3874.425133][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3874.425133][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3874.425133][ T74] ipv6_find_idev+0x102/0x170 [ 3874.425133][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3874.425133][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3874.425133][ T74] netlink_rcv_skb+0x130/0x360 [ 3874.425133][ T74] netlink_unicast+0x449/0x710 [ 3874.425133][ T74] netlink_sendmsg+0x723/0xbe0 [ 3874.425133][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3874.425133][ T74] ___sys_sendmsg+0xee/0x170 [ 3874.425133][ T74] __sys_sendmsg+0xcd/0x170 [ 3874.425133][ T74] do_syscall_64+0xc6/0x1e0 [ 3874.425133][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3874.425133][ T74] [ 3874.426726][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3874.426726][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3874.426726][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3874.426726][ T74] ipv6_find_idev+0x102/0x170 [ 3874.426726][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3874.426726][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3874.426726][ T74] netlink_rcv_skb+0x130/0x360 [ 3874.426726][ T74] netlink_unicast+0x449/0x710 [ 3874.426726][ T74] netlink_sendmsg+0x723/0xbe0 [ 3874.426726][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3874.426726][ T74] ___sys_sendmsg+0xee/0x170 [ 3874.426726][ T74] __sys_sendmsg+0xcd/0x170 [ 3874.426726][ T74] do_syscall_64+0xc6/0x1e0 [ 3874.426726][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3874.426726][ T74] [ 3874.428588][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3874.428830][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3874.428830][ T74] netdev_get_by_index+0x5e/0x80 [ 3874.428830][ T74] fib6_nh_init+0x3d8/0x1580 [ 3874.428830][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3874.428830][ T74] ip6_route_add+0x1c/0x140 [ 3874.428830][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3874.428830][ T74] inet6_addr_add+0x4f8/0xa40 [ 3874.428830][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3874.428830][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3874.428830][ T74] netlink_rcv_skb+0x130/0x360 [ 3874.428830][ T74] netlink_unicast+0x449/0x710 [ 3874.428830][ T74] netlink_sendmsg+0x723/0xbe0 [ 3874.428830][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3874.428830][ T74] ___sys_sendmsg+0xee/0x170 [ 3874.428830][ T74] __sys_sendmsg+0xcd/0x170 [ 3874.428830][ T74] do_syscall_64+0xc6/0x1e0 [ 3874.428830][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3874.428830][ T74] [ 3874.431632][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3874.431632][ T74] netdev_get_by_index+0x5e/0x80 [ 3874.431632][ T74] fib6_nh_init+0x3d8/0x1580 [ 3874.431632][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3874.431632][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3874.431632][ T74] ipv6_add_addr+0x411/0x2000 [ 3874.431632][ T74] inet6_addr_add+0x30e/0xa40 [ 3874.431632][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3874.431632][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3874.431632][ T74] netlink_rcv_skb+0x130/0x360 [ 3874.431632][ T74] netlink_unicast+0x449/0x710 [ 3874.431632][ T74] netlink_sendmsg+0x723/0xbe0 [ 3874.431632][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3874.431632][ T74] ___sys_sendmsg+0xee/0x170 [ 3874.431632][ T74] __sys_sendmsg+0xcd/0x170 [ 3874.431632][ T74] do_syscall_64+0xc6/0x1e0 [ 3874.431632][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3874.431632][ T74] [ 3874.434948][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3874.434948][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3874.434948][ T74] ipv6_find_idev+0x102/0x170 [ 3874.434948][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3874.434948][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3874.434948][ T74] netlink_rcv_skb+0x130/0x360 [ 3874.434948][ T74] netlink_unicast+0x449/0x710 [ 3874.434948][ T74] netlink_sendmsg+0x723/0xbe0 [ 3874.434948][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3874.434948][ T74] ___sys_sendmsg+0xee/0x170 [ 3874.434948][ T74] __sys_sendmsg+0xcd/0x170 [ 3874.434948][ T74] do_syscall_64+0xc6/0x1e0 [ 3874.434948][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3874.434948][ T74] [ 3874.437357][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3874.437357][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3874.437357][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3874.437357][ T74] ipv6_find_idev+0x102/0x170 [ 3874.437357][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3874.437357][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3874.437357][ T74] netlink_rcv_skb+0x130/0x360 [ 3874.437357][ T74] netlink_unicast+0x449/0x710 [ 3874.437357][ T74] netlink_sendmsg+0x723/0xbe0 [ 3874.437357][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3874.437357][ T74] ___sys_sendmsg+0xee/0x170 [ 3874.437357][ T74] __sys_sendmsg+0xcd/0x170 [ 3874.437357][ T74] do_syscall_64+0xc6/0x1e0 [ 3874.437357][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3874.437357][ T74] [ 3884.679978][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3884.680411][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3884.680411][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3884.680411][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3884.680411][ T74] fib6_nh_init+0xa22/0x1580 [ 3884.680411][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3884.680411][ T74] ip6_route_add+0x1c/0x140 [ 3884.680411][ T74] inet6_rtm_newroute+0x104/0x110 [ 3884.680411][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3884.680411][ T74] netlink_rcv_skb+0x130/0x360 [ 3884.680411][ T74] netlink_unicast+0x449/0x710 [ 3884.680411][ T74] netlink_sendmsg+0x723/0xbe0 [ 3884.680411][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3884.680411][ T74] ___sys_sendmsg+0xee/0x170 [ 3884.680411][ T74] __sys_sendmsg+0xcd/0x170 [ 3884.680411][ T74] do_syscall_64+0xc6/0x1e0 [ 3884.680411][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3884.680411][ T74] [ 3884.682310][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3884.682310][ T74] netdev_get_by_index+0x5e/0x80 [ 3884.682310][ T74] fib6_nh_init+0x3d8/0x1580 [ 3884.682310][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3884.682310][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3884.682310][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3884.682310][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3884.682310][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3884.682310][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3884.682310][ T74] addrconf_dad_begin+0x310/0x670 [ 3884.682310][ T74] addrconf_dad_work+0x10b/0xab0 [ 3884.682310][ T74] process_one_work+0x84d/0x18a0 [ 3884.682310][ T74] worker_thread+0x587/0xd30 [ 3884.682310][ T74] kthread+0x28a/0x350 [ 3884.682310][ T74] ret_from_fork+0x31/0x70 [ 3884.682310][ T74] ret_from_fork_asm+0x1a/0x30 [ 3884.682310][ T74] [ 3884.684221][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3884.684221][ T74] netdev_get_by_index+0x5e/0x80 [ 3884.684221][ T74] fib6_nh_init+0x3d8/0x1580 [ 3884.684221][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3884.684221][ T74] ip6_route_add+0x1c/0x140 [ 3884.684221][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3884.684221][ T74] inet6_addr_add+0x4f8/0xa40 [ 3884.684221][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3884.684221][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3884.684221][ T74] netlink_rcv_skb+0x130/0x360 [ 3884.684221][ T74] netlink_unicast+0x449/0x710 [ 3884.684221][ T74] netlink_sendmsg+0x723/0xbe0 [ 3884.684221][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3884.684221][ T74] ___sys_sendmsg+0xee/0x170 [ 3884.684221][ T74] __sys_sendmsg+0xcd/0x170 [ 3884.684221][ T74] do_syscall_64+0xc6/0x1e0 [ 3884.684221][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3884.684221][ T74] [ 3884.686225][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3884.686225][ T74] netdev_get_by_index+0x5e/0x80 [ 3884.686225][ T74] fib6_nh_init+0x3d8/0x1580 [ 3884.686225][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3884.686225][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3884.686225][ T74] ipv6_add_addr+0x411/0x2000 [ 3884.686225][ T74] inet6_addr_add+0x30e/0xa40 [ 3884.686225][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3884.686225][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3884.686225][ T74] netlink_rcv_skb+0x130/0x360 [ 3884.686225][ T74] netlink_unicast+0x449/0x710 [ 3884.686225][ T74] netlink_sendmsg+0x723/0xbe0 [ 3884.686225][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3884.686225][ T74] ___sys_sendmsg+0xee/0x170 [ 3884.686225][ T74] __sys_sendmsg+0xcd/0x170 [ 3884.686225][ T74] do_syscall_64+0xc6/0x1e0 [ 3884.686225][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3884.686225][ T74] [ 3884.688224][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3884.688224][ T74] netdev_get_by_index+0x5e/0x80 [ 3884.688224][ T74] fib6_nh_init+0x3d8/0x1580 [ 3884.688224][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3884.688224][ T74] ip6_route_add+0x1c/0x140 [ 3884.688224][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3884.688224][ T74] addrconf_add_dev+0xe2/0x170 [ 3884.688224][ T74] inet6_addr_add+0x12f/0xa40 [ 3884.688224][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3884.688224][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3884.688224][ T74] netlink_rcv_skb+0x130/0x360 [ 3884.688224][ T74] netlink_unicast+0x449/0x710 [ 3884.688224][ T74] netlink_sendmsg+0x723/0xbe0 [ 3884.688224][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3884.688224][ T74] ___sys_sendmsg+0xee/0x170 [ 3884.688224][ T74] __sys_sendmsg+0xcd/0x170 [ 3884.688224][ T74] do_syscall_64+0xc6/0x1e0 [ 3884.688224][ T74] [ 3884.690183][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3884.690183][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3884.690183][ T74] ipv6_find_idev+0x102/0x170 [ 3884.690183][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3884.690183][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3884.690183][ T74] netlink_rcv_skb+0x130/0x360 [ 3884.690183][ T74] netlink_unicast+0x449/0x710 [ 3884.690183][ T74] netlink_sendmsg+0x723/0xbe0 [ 3884.690183][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3884.690183][ T74] ___sys_sendmsg+0xee/0x170 [ 3884.690183][ T74] __sys_sendmsg+0xcd/0x170 [ 3884.690183][ T74] do_syscall_64+0xc6/0x1e0 [ 3884.690183][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3884.690183][ T74] [ 3884.691735][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3884.691735][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3884.691735][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3884.691735][ T74] ipv6_find_idev+0x102/0x170 [ 3884.691735][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3884.691735][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3884.691735][ T74] netlink_rcv_skb+0x130/0x360 [ 3884.691735][ T74] netlink_unicast+0x449/0x710 [ 3884.691735][ T74] netlink_sendmsg+0x723/0xbe0 [ 3884.691735][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3884.691735][ T74] ___sys_sendmsg+0xee/0x170 [ 3884.691735][ T74] __sys_sendmsg+0xcd/0x170 [ 3884.691735][ T74] do_syscall_64+0xc6/0x1e0 [ 3884.691735][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3884.691735][ T74] [ 3884.693419][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3884.693688][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3884.693688][ T74] dst_init+0x84/0x4a0 [ 3884.693688][ T74] dst_alloc+0x97/0x150 [ 3884.693688][ T74] ip6_dst_alloc+0x23/0x90 [ 3884.693688][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3884.693688][ T74] ip6_pol_route+0x56f/0x840 [ 3884.693688][ T74] fib6_rule_lookup+0x456/0x630 [ 3884.693688][ T74] ip6_route_input+0x59c/0xa50 [ 3884.693688][ T74] ipv6_rcv+0x397/0x810 [ 3884.693688][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3884.693688][ T74] process_backlog+0x101/0x620 [ 3884.693688][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3884.693688][ T74] net_rx_action+0x495/0xbe0 [ 3884.693688][ T74] __do_softirq+0x1b5/0x7f6 [ 3884.693688][ T74] [ 3884.695360][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3884.695360][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3884.695360][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3884.695360][ T74] fib6_nh_init+0xa22/0x1580 [ 3884.695360][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3884.695360][ T74] ip6_route_add+0x1c/0x140 [ 3884.695360][ T74] inet6_rtm_newroute+0x104/0x110 [ 3884.695360][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3884.695360][ T74] netlink_rcv_skb+0x130/0x360 [ 3884.695360][ T74] netlink_unicast+0x449/0x710 [ 3884.695360][ T74] netlink_sendmsg+0x723/0xbe0 [ 3884.695360][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3884.695360][ T74] ___sys_sendmsg+0xee/0x170 [ 3884.695360][ T74] __sys_sendmsg+0xcd/0x170 [ 3884.695360][ T74] do_syscall_64+0xc6/0x1e0 [ 3884.695360][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3884.695360][ T74] [ 3884.697265][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3884.697265][ T74] netdev_get_by_index+0x5e/0x80 [ 3884.697265][ T74] fib6_nh_init+0x3d8/0x1580 [ 3884.697265][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3884.697265][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3884.697265][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3884.697265][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3884.697265][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3884.697265][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3884.697265][ T74] addrconf_dad_begin+0x310/0x670 [ 3884.697265][ T74] addrconf_dad_work+0x10b/0xab0 [ 3884.697265][ T74] process_one_work+0x84d/0x18a0 [ 3884.697265][ T74] worker_thread+0x587/0xd30 [ 3884.697265][ T74] kthread+0x28a/0x350 [ 3884.697265][ T74] ret_from_fork+0x31/0x70 [ 3884.697265][ T74] ret_from_fork_asm+0x1a/0x30 [ 3884.697265][ T74] [ 3884.699203][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3884.699203][ T74] netdev_get_by_index+0x5e/0x80 [ 3884.699203][ T74] fib6_nh_init+0x3d8/0x1580 [ 3884.699203][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3884.699203][ T74] ip6_route_add+0x1c/0x140 [ 3884.699203][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3884.699203][ T74] inet6_addr_add+0x4f8/0xa40 [ 3884.699203][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3884.699203][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3884.699203][ T74] netlink_rcv_skb+0x130/0x360 [ 3884.699203][ T74] netlink_unicast+0x449/0x710 [ 3884.699203][ T74] netlink_sendmsg+0x723/0xbe0 [ 3884.699203][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3884.699203][ T74] ___sys_sendmsg+0xee/0x170 [ 3884.699203][ T74] __sys_sendmsg+0xcd/0x170 [ 3884.699203][ T74] do_syscall_64+0xc6/0x1e0 [ 3884.699203][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3884.699203][ T74] [ 3884.701244][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3884.701244][ T74] netdev_get_by_index+0x5e/0x80 [ 3884.701244][ T74] fib6_nh_init+0x3d8/0x1580 [ 3884.701244][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3884.701244][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3884.701244][ T74] ipv6_add_addr+0x411/0x2000 [ 3884.701244][ T74] inet6_addr_add+0x30e/0xa40 [ 3884.701244][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3884.701244][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3884.701244][ T74] netlink_rcv_skb+0x130/0x360 [ 3884.701244][ T74] netlink_unicast+0x449/0x710 [ 3884.701244][ T74] netlink_sendmsg+0x723/0xbe0 [ 3884.701244][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3884.701244][ T74] ___sys_sendmsg+0xee/0x170 [ 3884.701244][ T74] __sys_sendmsg+0xcd/0x170 [ 3884.701244][ T74] do_syscall_64+0xc6/0x1e0 [ 3884.701244][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3884.701244][ T74] [ 3884.703232][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3884.703232][ T74] netdev_get_by_index+0x5e/0x80 [ 3884.703232][ T74] fib6_nh_init+0x3d8/0x1580 [ 3884.703232][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3884.703232][ T74] ip6_route_add+0x1c/0x140 [ 3884.703232][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3884.703232][ T74] addrconf_add_dev+0xe2/0x170 [ 3884.703232][ T74] inet6_addr_add+0x12f/0xa40 [ 3884.703232][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3884.703232][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3884.703232][ T74] netlink_rcv_skb+0x130/0x360 [ 3884.703232][ T74] netlink_unicast+0x449/0x710 [ 3884.703232][ T74] netlink_sendmsg+0x723/0xbe0 [ 3884.703232][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3884.703232][ T74] ___sys_sendmsg+0xee/0x170 [ 3884.703232][ T74] __sys_sendmsg+0xcd/0x170 [ 3884.703232][ T74] do_syscall_64+0xc6/0x1e0 [ 3884.703232][ T74] [ 3884.705184][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3884.705184][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3884.705184][ T74] ipv6_find_idev+0x102/0x170 [ 3884.705184][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3884.705184][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3884.705184][ T74] netlink_rcv_skb+0x130/0x360 [ 3884.705184][ T74] netlink_unicast+0x449/0x710 [ 3884.705184][ T74] netlink_sendmsg+0x723/0xbe0 [ 3884.705184][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3884.705184][ T74] ___sys_sendmsg+0xee/0x170 [ 3884.705184][ T74] __sys_sendmsg+0xcd/0x170 [ 3884.705184][ T74] do_syscall_64+0xc6/0x1e0 [ 3884.705184][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3884.705184][ T74] [ 3884.706836][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3884.706836][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3884.706836][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3884.706836][ T74] ipv6_find_idev+0x102/0x170 [ 3884.706836][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3884.706836][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3884.706836][ T74] netlink_rcv_skb+0x130/0x360 [ 3884.706836][ T74] netlink_unicast+0x449/0x710 [ 3884.706836][ T74] netlink_sendmsg+0x723/0xbe0 [ 3884.706836][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3884.706836][ T74] ___sys_sendmsg+0xee/0x170 [ 3884.706836][ T74] __sys_sendmsg+0xcd/0x170 [ 3884.706836][ T74] do_syscall_64+0xc6/0x1e0 [ 3884.706836][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3884.706836][ T74] [ 3884.708749][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3884.708995][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3884.708995][ T74] netdev_get_by_index+0x5e/0x80 [ 3884.708995][ T74] fib6_nh_init+0x3d8/0x1580 [ 3884.708995][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3884.708995][ T74] ip6_route_add+0x1c/0x140 [ 3884.708995][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3884.708995][ T74] inet6_addr_add+0x4f8/0xa40 [ 3884.708995][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3884.708995][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3884.708995][ T74] netlink_rcv_skb+0x130/0x360 [ 3884.708995][ T74] netlink_unicast+0x449/0x710 [ 3884.708995][ T74] netlink_sendmsg+0x723/0xbe0 [ 3884.708995][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3884.708995][ T74] ___sys_sendmsg+0xee/0x170 [ 3884.708995][ T74] __sys_sendmsg+0xcd/0x170 [ 3884.708995][ T74] do_syscall_64+0xc6/0x1e0 [ 3884.708995][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3884.708995][ T74] [ 3884.711300][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3884.711300][ T74] netdev_get_by_index+0x5e/0x80 [ 3884.711300][ T74] fib6_nh_init+0x3d8/0x1580 [ 3884.711300][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3884.711300][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3884.711300][ T74] ipv6_add_addr+0x411/0x2000 [ 3884.711300][ T74] inet6_addr_add+0x30e/0xa40 [ 3884.711300][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3884.711300][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3884.711300][ T74] netlink_rcv_skb+0x130/0x360 [ 3884.711300][ T74] netlink_unicast+0x449/0x710 [ 3884.711300][ T74] netlink_sendmsg+0x723/0xbe0 [ 3884.711300][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3884.711300][ T74] ___sys_sendmsg+0xee/0x170 [ 3884.711300][ T74] __sys_sendmsg+0xcd/0x170 [ 3884.711300][ T74] do_syscall_64+0xc6/0x1e0 [ 3884.711300][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3884.711300][ T74] [ 3884.713536][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3884.713536][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3884.713536][ T74] ipv6_find_idev+0x102/0x170 [ 3884.713536][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3884.713536][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3884.713536][ T74] netlink_rcv_skb+0x130/0x360 [ 3884.713536][ T74] netlink_unicast+0x449/0x710 [ 3884.713536][ T74] netlink_sendmsg+0x723/0xbe0 [ 3884.713536][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3884.713536][ T74] ___sys_sendmsg+0xee/0x170 [ 3884.713536][ T74] __sys_sendmsg+0xcd/0x170 [ 3884.713536][ T74] do_syscall_64+0xc6/0x1e0 [ 3884.713536][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3884.713536][ T74] [ 3884.715182][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3884.715182][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3884.715182][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3884.715182][ T74] ipv6_find_idev+0x102/0x170 [ 3884.715182][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3884.715182][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3884.715182][ T74] netlink_rcv_skb+0x130/0x360 [ 3884.715182][ T74] netlink_unicast+0x449/0x710 [ 3884.715182][ T74] netlink_sendmsg+0x723/0xbe0 [ 3884.715182][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3884.715182][ T74] ___sys_sendmsg+0xee/0x170 [ 3884.715182][ T74] __sys_sendmsg+0xcd/0x170 [ 3884.715182][ T74] do_syscall_64+0xc6/0x1e0 [ 3884.715182][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3884.715182][ T74] [ 3894.959929][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3894.960308][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3894.960308][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3894.960308][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3894.960308][ T74] fib6_nh_init+0xa22/0x1580 [ 3894.960308][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3894.960308][ T74] ip6_route_add+0x1c/0x140 [ 3894.960308][ T74] inet6_rtm_newroute+0x104/0x110 [ 3894.960308][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3894.960308][ T74] netlink_rcv_skb+0x130/0x360 [ 3894.960308][ T74] netlink_unicast+0x449/0x710 [ 3894.960308][ T74] netlink_sendmsg+0x723/0xbe0 [ 3894.960308][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3894.960308][ T74] ___sys_sendmsg+0xee/0x170 [ 3894.960308][ T74] __sys_sendmsg+0xcd/0x170 [ 3894.960308][ T74] do_syscall_64+0xc6/0x1e0 [ 3894.960308][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3894.960308][ T74] [ 3894.962262][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3894.962262][ T74] netdev_get_by_index+0x5e/0x80 [ 3894.962262][ T74] fib6_nh_init+0x3d8/0x1580 [ 3894.962262][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3894.962262][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3894.962262][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3894.962262][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3894.962262][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3894.962262][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3894.962262][ T74] addrconf_dad_begin+0x310/0x670 [ 3894.962262][ T74] addrconf_dad_work+0x10b/0xab0 [ 3894.962262][ T74] process_one_work+0x84d/0x18a0 [ 3894.962262][ T74] worker_thread+0x587/0xd30 [ 3894.962262][ T74] kthread+0x28a/0x350 [ 3894.962262][ T74] ret_from_fork+0x31/0x70 [ 3894.962262][ T74] ret_from_fork_asm+0x1a/0x30 [ 3894.962262][ T74] [ 3894.964205][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3894.964205][ T74] netdev_get_by_index+0x5e/0x80 [ 3894.964205][ T74] fib6_nh_init+0x3d8/0x1580 [ 3894.964205][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3894.964205][ T74] ip6_route_add+0x1c/0x140 [ 3894.964205][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3894.964205][ T74] inet6_addr_add+0x4f8/0xa40 [ 3894.964205][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3894.964205][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3894.964205][ T74] netlink_rcv_skb+0x130/0x360 [ 3894.964205][ T74] netlink_unicast+0x449/0x710 [ 3894.964205][ T74] netlink_sendmsg+0x723/0xbe0 [ 3894.964205][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3894.964205][ T74] ___sys_sendmsg+0xee/0x170 [ 3894.964205][ T74] __sys_sendmsg+0xcd/0x170 [ 3894.964205][ T74] do_syscall_64+0xc6/0x1e0 [ 3894.964205][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3894.964205][ T74] [ 3894.966253][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3894.966253][ T74] netdev_get_by_index+0x5e/0x80 [ 3894.966253][ T74] fib6_nh_init+0x3d8/0x1580 [ 3894.966253][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3894.966253][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3894.966253][ T74] ipv6_add_addr+0x411/0x2000 [ 3894.966253][ T74] inet6_addr_add+0x30e/0xa40 [ 3894.966253][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3894.966253][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3894.966253][ T74] netlink_rcv_skb+0x130/0x360 [ 3894.966253][ T74] netlink_unicast+0x449/0x710 [ 3894.966253][ T74] netlink_sendmsg+0x723/0xbe0 [ 3894.966253][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3894.966253][ T74] ___sys_sendmsg+0xee/0x170 [ 3894.966253][ T74] __sys_sendmsg+0xcd/0x170 [ 3894.966253][ T74] do_syscall_64+0xc6/0x1e0 [ 3894.966253][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3894.966253][ T74] [ 3894.968303][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3894.968303][ T74] netdev_get_by_index+0x5e/0x80 [ 3894.968303][ T74] fib6_nh_init+0x3d8/0x1580 [ 3894.968303][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3894.968303][ T74] ip6_route_add+0x1c/0x140 [ 3894.968303][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3894.968303][ T74] addrconf_add_dev+0xe2/0x170 [ 3894.968303][ T74] inet6_addr_add+0x12f/0xa40 [ 3894.968303][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3894.968303][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3894.968303][ T74] netlink_rcv_skb+0x130/0x360 [ 3894.968303][ T74] netlink_unicast+0x449/0x710 [ 3894.968303][ T74] netlink_sendmsg+0x723/0xbe0 [ 3894.968303][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3894.968303][ T74] ___sys_sendmsg+0xee/0x170 [ 3894.968303][ T74] __sys_sendmsg+0xcd/0x170 [ 3894.968303][ T74] do_syscall_64+0xc6/0x1e0 [ 3894.968303][ T74] [ 3894.970290][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3894.970290][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3894.970290][ T74] ipv6_find_idev+0x102/0x170 [ 3894.970290][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3894.970290][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3894.970290][ T74] netlink_rcv_skb+0x130/0x360 [ 3894.970290][ T74] netlink_unicast+0x449/0x710 [ 3894.970290][ T74] netlink_sendmsg+0x723/0xbe0 [ 3894.970290][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3894.970290][ T74] ___sys_sendmsg+0xee/0x170 [ 3894.970290][ T74] __sys_sendmsg+0xcd/0x170 [ 3894.970290][ T74] do_syscall_64+0xc6/0x1e0 [ 3894.970290][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3894.970290][ T74] [ 3894.971888][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3894.971888][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3894.971888][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3894.971888][ T74] ipv6_find_idev+0x102/0x170 [ 3894.971888][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3894.971888][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3894.971888][ T74] netlink_rcv_skb+0x130/0x360 [ 3894.971888][ T74] netlink_unicast+0x449/0x710 [ 3894.971888][ T74] netlink_sendmsg+0x723/0xbe0 [ 3894.971888][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3894.971888][ T74] ___sys_sendmsg+0xee/0x170 [ 3894.971888][ T74] __sys_sendmsg+0xcd/0x170 [ 3894.971888][ T74] do_syscall_64+0xc6/0x1e0 [ 3894.971888][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3894.971888][ T74] [ 3894.973613][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3894.973890][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3894.973890][ T74] dst_init+0x84/0x4a0 [ 3894.973890][ T74] dst_alloc+0x97/0x150 [ 3894.973890][ T74] ip6_dst_alloc+0x23/0x90 [ 3894.973890][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3894.973890][ T74] ip6_pol_route+0x56f/0x840 [ 3894.973890][ T74] fib6_rule_lookup+0x456/0x630 [ 3894.973890][ T74] ip6_route_input+0x59c/0xa50 [ 3894.973890][ T74] ipv6_rcv+0x397/0x810 [ 3894.973890][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3894.973890][ T74] process_backlog+0x101/0x620 [ 3894.973890][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3894.973890][ T74] net_rx_action+0x495/0xbe0 [ 3894.973890][ T74] __do_softirq+0x1b5/0x7f6 [ 3894.973890][ T74] [ 3894.975515][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3894.975515][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3894.975515][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3894.975515][ T74] fib6_nh_init+0xa22/0x1580 [ 3894.975515][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3894.975515][ T74] ip6_route_add+0x1c/0x140 [ 3894.975515][ T74] inet6_rtm_newroute+0x104/0x110 [ 3894.975515][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3894.975515][ T74] netlink_rcv_skb+0x130/0x360 [ 3894.975515][ T74] netlink_unicast+0x449/0x710 [ 3894.975515][ T74] netlink_sendmsg+0x723/0xbe0 [ 3894.975515][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3894.975515][ T74] ___sys_sendmsg+0xee/0x170 [ 3894.975515][ T74] __sys_sendmsg+0xcd/0x170 [ 3894.975515][ T74] do_syscall_64+0xc6/0x1e0 [ 3894.975515][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3894.975515][ T74] [ 3894.977390][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3894.977390][ T74] netdev_get_by_index+0x5e/0x80 [ 3894.977390][ T74] fib6_nh_init+0x3d8/0x1580 [ 3894.977390][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3894.977390][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3894.977390][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3894.977390][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3894.977390][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3894.977390][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3894.977390][ T74] addrconf_dad_begin+0x310/0x670 [ 3894.977390][ T74] addrconf_dad_work+0x10b/0xab0 [ 3894.977390][ T74] process_one_work+0x84d/0x18a0 [ 3894.977390][ T74] worker_thread+0x587/0xd30 [ 3894.977390][ T74] kthread+0x28a/0x350 [ 3894.977390][ T74] ret_from_fork+0x31/0x70 [ 3894.977390][ T74] ret_from_fork_asm+0x1a/0x30 [ 3894.977390][ T74] [ 3894.979322][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3894.979322][ T74] netdev_get_by_index+0x5e/0x80 [ 3894.979322][ T74] fib6_nh_init+0x3d8/0x1580 [ 3894.979322][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3894.979322][ T74] ip6_route_add+0x1c/0x140 [ 3894.979322][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3894.979322][ T74] inet6_addr_add+0x4f8/0xa40 [ 3894.979322][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3894.979322][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3894.979322][ T74] netlink_rcv_skb+0x130/0x360 [ 3894.979322][ T74] netlink_unicast+0x449/0x710 [ 3894.979322][ T74] netlink_sendmsg+0x723/0xbe0 [ 3894.979322][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3894.979322][ T74] ___sys_sendmsg+0xee/0x170 [ 3894.979322][ T74] __sys_sendmsg+0xcd/0x170 [ 3894.979322][ T74] do_syscall_64+0xc6/0x1e0 [ 3894.979322][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3894.979322][ T74] [ 3894.981380][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3894.981380][ T74] netdev_get_by_index+0x5e/0x80 [ 3894.981380][ T74] fib6_nh_init+0x3d8/0x1580 [ 3894.981380][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3894.981380][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3894.981380][ T74] ipv6_add_addr+0x411/0x2000 [ 3894.981380][ T74] inet6_addr_add+0x30e/0xa40 [ 3894.981380][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3894.981380][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3894.981380][ T74] netlink_rcv_skb+0x130/0x360 [ 3894.981380][ T74] netlink_unicast+0x449/0x710 [ 3894.981380][ T74] netlink_sendmsg+0x723/0xbe0 [ 3894.981380][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3894.981380][ T74] ___sys_sendmsg+0xee/0x170 [ 3894.981380][ T74] __sys_sendmsg+0xcd/0x170 [ 3894.981380][ T74] do_syscall_64+0xc6/0x1e0 [ 3894.981380][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3894.981380][ T74] [ 3894.983432][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3894.983432][ T74] netdev_get_by_index+0x5e/0x80 [ 3894.983432][ T74] fib6_nh_init+0x3d8/0x1580 [ 3894.983432][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3894.983432][ T74] ip6_route_add+0x1c/0x140 [ 3894.983432][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3894.983432][ T74] addrconf_add_dev+0xe2/0x170 [ 3894.983432][ T74] inet6_addr_add+0x12f/0xa40 [ 3894.983432][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3894.983432][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3894.983432][ T74] netlink_rcv_skb+0x130/0x360 [ 3894.983432][ T74] netlink_unicast+0x449/0x710 [ 3894.983432][ T74] netlink_sendmsg+0x723/0xbe0 [ 3894.983432][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3894.983432][ T74] ___sys_sendmsg+0xee/0x170 [ 3894.983432][ T74] __sys_sendmsg+0xcd/0x170 [ 3894.983432][ T74] do_syscall_64+0xc6/0x1e0 [ 3894.983432][ T74] [ 3894.985418][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3894.985418][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3894.985418][ T74] ipv6_find_idev+0x102/0x170 [ 3894.985418][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3894.985418][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3894.985418][ T74] netlink_rcv_skb+0x130/0x360 [ 3894.985418][ T74] netlink_unicast+0x449/0x710 [ 3894.985418][ T74] netlink_sendmsg+0x723/0xbe0 [ 3894.985418][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3894.985418][ T74] ___sys_sendmsg+0xee/0x170 [ 3894.985418][ T74] __sys_sendmsg+0xcd/0x170 [ 3894.985418][ T74] do_syscall_64+0xc6/0x1e0 [ 3894.985418][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3894.985418][ T74] [ 3894.987091][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3894.987091][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3894.987091][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3894.987091][ T74] ipv6_find_idev+0x102/0x170 [ 3894.987091][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3894.987091][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3894.987091][ T74] netlink_rcv_skb+0x130/0x360 [ 3894.987091][ T74] netlink_unicast+0x449/0x710 [ 3894.987091][ T74] netlink_sendmsg+0x723/0xbe0 [ 3894.987091][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3894.987091][ T74] ___sys_sendmsg+0xee/0x170 [ 3894.987091][ T74] __sys_sendmsg+0xcd/0x170 [ 3894.987091][ T74] do_syscall_64+0xc6/0x1e0 [ 3894.987091][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3894.987091][ T74] [ 3894.989042][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3894.989283][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3894.989283][ T74] netdev_get_by_index+0x5e/0x80 [ 3894.989283][ T74] fib6_nh_init+0x3d8/0x1580 [ 3894.989283][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3894.989283][ T74] ip6_route_add+0x1c/0x140 [ 3894.989283][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3894.989283][ T74] inet6_addr_add+0x4f8/0xa40 [ 3894.989283][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3894.989283][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3894.989283][ T74] netlink_rcv_skb+0x130/0x360 [ 3894.989283][ T74] netlink_unicast+0x449/0x710 [ 3894.989283][ T74] netlink_sendmsg+0x723/0xbe0 [ 3894.989283][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3894.989283][ T74] ___sys_sendmsg+0xee/0x170 [ 3894.989283][ T74] __sys_sendmsg+0xcd/0x170 [ 3894.989283][ T74] do_syscall_64+0xc6/0x1e0 [ 3894.989283][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3894.989283][ T74] [ 3894.991547][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3894.991547][ T74] netdev_get_by_index+0x5e/0x80 [ 3894.991547][ T74] fib6_nh_init+0x3d8/0x1580 [ 3894.991547][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3894.991547][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3894.991547][ T74] ipv6_add_addr+0x411/0x2000 [ 3894.991547][ T74] inet6_addr_add+0x30e/0xa40 [ 3894.991547][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3894.991547][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3894.991547][ T74] netlink_rcv_skb+0x130/0x360 [ 3894.991547][ T74] netlink_unicast+0x449/0x710 [ 3894.991547][ T74] netlink_sendmsg+0x723/0xbe0 [ 3894.991547][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3894.991547][ T74] ___sys_sendmsg+0xee/0x170 [ 3894.991547][ T74] __sys_sendmsg+0xcd/0x170 [ 3894.991547][ T74] do_syscall_64+0xc6/0x1e0 [ 3894.991547][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3894.991547][ T74] [ 3894.993795][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3894.993795][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3894.993795][ T74] ipv6_find_idev+0x102/0x170 [ 3894.993795][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3894.993795][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3894.993795][ T74] netlink_rcv_skb+0x130/0x360 [ 3894.993795][ T74] netlink_unicast+0x449/0x710 [ 3894.993795][ T74] netlink_sendmsg+0x723/0xbe0 [ 3894.993795][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3894.993795][ T74] ___sys_sendmsg+0xee/0x170 [ 3894.993795][ T74] __sys_sendmsg+0xcd/0x170 [ 3894.993795][ T74] do_syscall_64+0xc6/0x1e0 [ 3894.993795][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3894.993795][ T74] [ 3894.995507][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3894.995507][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3894.995507][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3894.995507][ T74] ipv6_find_idev+0x102/0x170 [ 3894.995507][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3894.995507][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3894.995507][ T74] netlink_rcv_skb+0x130/0x360 [ 3894.995507][ T74] netlink_unicast+0x449/0x710 [ 3894.995507][ T74] netlink_sendmsg+0x723/0xbe0 [ 3894.995507][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3894.995507][ T74] ___sys_sendmsg+0xee/0x170 [ 3894.995507][ T74] __sys_sendmsg+0xcd/0x170 [ 3894.995507][ T74] do_syscall_64+0xc6/0x1e0 [ 3894.995507][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3894.995507][ T74] [ 3905.239899][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3905.240354][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3905.240354][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3905.240354][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3905.240354][ T74] fib6_nh_init+0xa22/0x1580 [ 3905.240354][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3905.240354][ T74] ip6_route_add+0x1c/0x140 [ 3905.240354][ T74] inet6_rtm_newroute+0x104/0x110 [ 3905.240354][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3905.240354][ T74] netlink_rcv_skb+0x130/0x360 [ 3905.240354][ T74] netlink_unicast+0x449/0x710 [ 3905.240354][ T74] netlink_sendmsg+0x723/0xbe0 [ 3905.240354][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3905.240354][ T74] ___sys_sendmsg+0xee/0x170 [ 3905.240354][ T74] __sys_sendmsg+0xcd/0x170 [ 3905.240354][ T74] do_syscall_64+0xc6/0x1e0 [ 3905.240354][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3905.240354][ T74] [ 3905.242318][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3905.242318][ T74] netdev_get_by_index+0x5e/0x80 [ 3905.242318][ T74] fib6_nh_init+0x3d8/0x1580 [ 3905.242318][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3905.242318][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3905.242318][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3905.242318][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3905.242318][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3905.242318][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3905.242318][ T74] addrconf_dad_begin+0x310/0x670 [ 3905.242318][ T74] addrconf_dad_work+0x10b/0xab0 [ 3905.242318][ T74] process_one_work+0x84d/0x18a0 [ 3905.242318][ T74] worker_thread+0x587/0xd30 [ 3905.242318][ T74] kthread+0x28a/0x350 [ 3905.242318][ T74] ret_from_fork+0x31/0x70 [ 3905.242318][ T74] ret_from_fork_asm+0x1a/0x30 [ 3905.242318][ T74] [ 3905.244269][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3905.244269][ T74] netdev_get_by_index+0x5e/0x80 [ 3905.244269][ T74] fib6_nh_init+0x3d8/0x1580 [ 3905.244269][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3905.244269][ T74] ip6_route_add+0x1c/0x140 [ 3905.244269][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3905.244269][ T74] inet6_addr_add+0x4f8/0xa40 [ 3905.244269][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3905.244269][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3905.244269][ T74] netlink_rcv_skb+0x130/0x360 [ 3905.244269][ T74] netlink_unicast+0x449/0x710 [ 3905.244269][ T74] netlink_sendmsg+0x723/0xbe0 [ 3905.244269][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3905.244269][ T74] ___sys_sendmsg+0xee/0x170 [ 3905.244269][ T74] __sys_sendmsg+0xcd/0x170 [ 3905.244269][ T74] do_syscall_64+0xc6/0x1e0 [ 3905.244269][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3905.244269][ T74] [ 3905.246339][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3905.246339][ T74] netdev_get_by_index+0x5e/0x80 [ 3905.246339][ T74] fib6_nh_init+0x3d8/0x1580 [ 3905.246339][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3905.246339][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3905.246339][ T74] ipv6_add_addr+0x411/0x2000 [ 3905.246339][ T74] inet6_addr_add+0x30e/0xa40 [ 3905.246339][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3905.246339][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3905.246339][ T74] netlink_rcv_skb+0x130/0x360 [ 3905.246339][ T74] netlink_unicast+0x449/0x710 [ 3905.246339][ T74] netlink_sendmsg+0x723/0xbe0 [ 3905.246339][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3905.246339][ T74] ___sys_sendmsg+0xee/0x170 [ 3905.246339][ T74] __sys_sendmsg+0xcd/0x170 [ 3905.246339][ T74] do_syscall_64+0xc6/0x1e0 [ 3905.246339][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3905.246339][ T74] [ 3905.248386][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3905.248386][ T74] netdev_get_by_index+0x5e/0x80 [ 3905.248386][ T74] fib6_nh_init+0x3d8/0x1580 [ 3905.248386][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3905.248386][ T74] ip6_route_add+0x1c/0x140 [ 3905.248386][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3905.248386][ T74] addrconf_add_dev+0xe2/0x170 [ 3905.248386][ T74] inet6_addr_add+0x12f/0xa40 [ 3905.248386][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3905.248386][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3905.248386][ T74] netlink_rcv_skb+0x130/0x360 [ 3905.248386][ T74] netlink_unicast+0x449/0x710 [ 3905.248386][ T74] netlink_sendmsg+0x723/0xbe0 [ 3905.248386][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3905.248386][ T74] ___sys_sendmsg+0xee/0x170 [ 3905.248386][ T74] __sys_sendmsg+0xcd/0x170 [ 3905.248386][ T74] do_syscall_64+0xc6/0x1e0 [ 3905.248386][ T74] [ 3905.250410][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3905.250410][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3905.250410][ T74] ipv6_find_idev+0x102/0x170 [ 3905.250410][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3905.250410][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3905.250410][ T74] netlink_rcv_skb+0x130/0x360 [ 3905.250410][ T74] netlink_unicast+0x449/0x710 [ 3905.250410][ T74] netlink_sendmsg+0x723/0xbe0 [ 3905.250410][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3905.250410][ T74] ___sys_sendmsg+0xee/0x170 [ 3905.250410][ T74] __sys_sendmsg+0xcd/0x170 [ 3905.250410][ T74] do_syscall_64+0xc6/0x1e0 [ 3905.250410][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3905.250410][ T74] [ 3905.251983][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3905.251983][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3905.251983][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3905.251983][ T74] ipv6_find_idev+0x102/0x170 [ 3905.251983][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3905.251983][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3905.251983][ T74] netlink_rcv_skb+0x130/0x360 [ 3905.251983][ T74] netlink_unicast+0x449/0x710 [ 3905.251983][ T74] netlink_sendmsg+0x723/0xbe0 [ 3905.251983][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3905.251983][ T74] ___sys_sendmsg+0xee/0x170 [ 3905.251983][ T74] __sys_sendmsg+0xcd/0x170 [ 3905.251983][ T74] do_syscall_64+0xc6/0x1e0 [ 3905.251983][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3905.251983][ T74] [ 3905.253723][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3905.254010][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3905.254010][ T74] dst_init+0x84/0x4a0 [ 3905.254010][ T74] dst_alloc+0x97/0x150 [ 3905.254010][ T74] ip6_dst_alloc+0x23/0x90 [ 3905.254010][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3905.254010][ T74] ip6_pol_route+0x56f/0x840 [ 3905.254010][ T74] fib6_rule_lookup+0x456/0x630 [ 3905.254010][ T74] ip6_route_input+0x59c/0xa50 [ 3905.254010][ T74] ipv6_rcv+0x397/0x810 [ 3905.254010][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3905.254010][ T74] process_backlog+0x101/0x620 [ 3905.254010][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3905.254010][ T74] net_rx_action+0x495/0xbe0 [ 3905.254010][ T74] __do_softirq+0x1b5/0x7f6 [ 3905.254010][ T74] [ 3905.255696][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3905.255696][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3905.255696][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3905.255696][ T74] fib6_nh_init+0xa22/0x1580 [ 3905.255696][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3905.255696][ T74] ip6_route_add+0x1c/0x140 [ 3905.255696][ T74] inet6_rtm_newroute+0x104/0x110 [ 3905.255696][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3905.255696][ T74] netlink_rcv_skb+0x130/0x360 [ 3905.255696][ T74] netlink_unicast+0x449/0x710 [ 3905.255696][ T74] netlink_sendmsg+0x723/0xbe0 [ 3905.255696][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3905.255696][ T74] ___sys_sendmsg+0xee/0x170 [ 3905.255696][ T74] __sys_sendmsg+0xcd/0x170 [ 3905.255696][ T74] do_syscall_64+0xc6/0x1e0 [ 3905.255696][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3905.255696][ T74] [ 3905.257628][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3905.257628][ T74] netdev_get_by_index+0x5e/0x80 [ 3905.257628][ T74] fib6_nh_init+0x3d8/0x1580 [ 3905.257628][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3905.257628][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3905.257628][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3905.257628][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3905.257628][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3905.257628][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3905.257628][ T74] addrconf_dad_begin+0x310/0x670 [ 3905.257628][ T74] addrconf_dad_work+0x10b/0xab0 [ 3905.257628][ T74] process_one_work+0x84d/0x18a0 [ 3905.257628][ T74] worker_thread+0x587/0xd30 [ 3905.257628][ T74] kthread+0x28a/0x350 [ 3905.257628][ T74] ret_from_fork+0x31/0x70 [ 3905.257628][ T74] ret_from_fork_asm+0x1a/0x30 [ 3905.257628][ T74] [ 3905.259581][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3905.259581][ T74] netdev_get_by_index+0x5e/0x80 [ 3905.259581][ T74] fib6_nh_init+0x3d8/0x1580 [ 3905.259581][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3905.259581][ T74] ip6_route_add+0x1c/0x140 [ 3905.259581][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3905.259581][ T74] inet6_addr_add+0x4f8/0xa40 [ 3905.259581][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3905.259581][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3905.259581][ T74] netlink_rcv_skb+0x130/0x360 [ 3905.259581][ T74] netlink_unicast+0x449/0x710 [ 3905.259581][ T74] netlink_sendmsg+0x723/0xbe0 [ 3905.259581][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3905.259581][ T74] ___sys_sendmsg+0xee/0x170 [ 3905.259581][ T74] __sys_sendmsg+0xcd/0x170 [ 3905.259581][ T74] do_syscall_64+0xc6/0x1e0 [ 3905.259581][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3905.259581][ T74] [ 3905.261634][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3905.261634][ T74] netdev_get_by_index+0x5e/0x80 [ 3905.261634][ T74] fib6_nh_init+0x3d8/0x1580 [ 3905.261634][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3905.261634][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3905.261634][ T74] ipv6_add_addr+0x411/0x2000 [ 3905.261634][ T74] inet6_addr_add+0x30e/0xa40 [ 3905.261634][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3905.261634][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3905.261634][ T74] netlink_rcv_skb+0x130/0x360 [ 3905.261634][ T74] netlink_unicast+0x449/0x710 [ 3905.261634][ T74] netlink_sendmsg+0x723/0xbe0 [ 3905.261634][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3905.261634][ T74] ___sys_sendmsg+0xee/0x170 [ 3905.261634][ T74] __sys_sendmsg+0xcd/0x170 [ 3905.261634][ T74] do_syscall_64+0xc6/0x1e0 [ 3905.261634][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3905.261634][ T74] [ 3905.263689][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3905.263689][ T74] netdev_get_by_index+0x5e/0x80 [ 3905.263689][ T74] fib6_nh_init+0x3d8/0x1580 [ 3905.263689][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3905.263689][ T74] ip6_route_add+0x1c/0x140 [ 3905.263689][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3905.263689][ T74] addrconf_add_dev+0xe2/0x170 [ 3905.263689][ T74] inet6_addr_add+0x12f/0xa40 [ 3905.263689][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3905.263689][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3905.263689][ T74] netlink_rcv_skb+0x130/0x360 [ 3905.263689][ T74] netlink_unicast+0x449/0x710 [ 3905.263689][ T74] netlink_sendmsg+0x723/0xbe0 [ 3905.263689][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3905.263689][ T74] ___sys_sendmsg+0xee/0x170 [ 3905.263689][ T74] __sys_sendmsg+0xcd/0x170 [ 3905.263689][ T74] do_syscall_64+0xc6/0x1e0 [ 3905.263689][ T74] [ 3905.265676][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3905.265676][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3905.265676][ T74] ipv6_find_idev+0x102/0x170 [ 3905.265676][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3905.265676][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3905.265676][ T74] netlink_rcv_skb+0x130/0x360 [ 3905.265676][ T74] netlink_unicast+0x449/0x710 [ 3905.265676][ T74] netlink_sendmsg+0x723/0xbe0 [ 3905.265676][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3905.265676][ T74] ___sys_sendmsg+0xee/0x170 [ 3905.265676][ T74] __sys_sendmsg+0xcd/0x170 [ 3905.265676][ T74] do_syscall_64+0xc6/0x1e0 [ 3905.265676][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3905.265676][ T74] [ 3905.267314][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3905.267314][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3905.267314][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3905.267314][ T74] ipv6_find_idev+0x102/0x170 [ 3905.267314][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3905.267314][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3905.267314][ T74] netlink_rcv_skb+0x130/0x360 [ 3905.267314][ T74] netlink_unicast+0x449/0x710 [ 3905.267314][ T74] netlink_sendmsg+0x723/0xbe0 [ 3905.267314][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3905.267314][ T74] ___sys_sendmsg+0xee/0x170 [ 3905.267314][ T74] __sys_sendmsg+0xcd/0x170 [ 3905.267314][ T74] do_syscall_64+0xc6/0x1e0 [ 3905.267314][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3905.267314][ T74] [ 3905.269164][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3905.269502][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3905.269502][ T74] netdev_get_by_index+0x5e/0x80 [ 3905.269502][ T74] fib6_nh_init+0x3d8/0x1580 [ 3905.269502][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3905.269502][ T74] ip6_route_add+0x1c/0x140 [ 3905.269502][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3905.269502][ T74] inet6_addr_add+0x4f8/0xa40 [ 3905.269502][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3905.269502][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3905.269502][ T74] netlink_rcv_skb+0x130/0x360 [ 3905.269502][ T74] netlink_unicast+0x449/0x710 [ 3905.269502][ T74] netlink_sendmsg+0x723/0xbe0 [ 3905.269502][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3905.269502][ T74] ___sys_sendmsg+0xee/0x170 [ 3905.269502][ T74] __sys_sendmsg+0xcd/0x170 [ 3905.269502][ T74] do_syscall_64+0xc6/0x1e0 [ 3905.269502][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3905.269502][ T74] [ 3905.271599][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3905.271599][ T74] netdev_get_by_index+0x5e/0x80 [ 3905.271599][ T74] fib6_nh_init+0x3d8/0x1580 [ 3905.271599][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3905.271599][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3905.271599][ T74] ipv6_add_addr+0x411/0x2000 [ 3905.271599][ T74] inet6_addr_add+0x30e/0xa40 [ 3905.271599][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3905.271599][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3905.271599][ T74] netlink_rcv_skb+0x130/0x360 [ 3905.271599][ T74] netlink_unicast+0x449/0x710 [ 3905.271599][ T74] netlink_sendmsg+0x723/0xbe0 [ 3905.271599][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3905.271599][ T74] ___sys_sendmsg+0xee/0x170 [ 3905.271599][ T74] __sys_sendmsg+0xcd/0x170 [ 3905.271599][ T74] do_syscall_64+0xc6/0x1e0 [ 3905.271599][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3905.271599][ T74] [ 3905.273753][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3905.273753][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3905.273753][ T74] ipv6_find_idev+0x102/0x170 [ 3905.273753][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3905.273753][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3905.273753][ T74] netlink_rcv_skb+0x130/0x360 [ 3905.273753][ T74] netlink_unicast+0x449/0x710 [ 3905.273753][ T74] netlink_sendmsg+0x723/0xbe0 [ 3905.273753][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3905.273753][ T74] ___sys_sendmsg+0xee/0x170 [ 3905.273753][ T74] __sys_sendmsg+0xcd/0x170 [ 3905.273753][ T74] do_syscall_64+0xc6/0x1e0 [ 3905.273753][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3905.273753][ T74] [ 3905.275445][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3905.275445][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3905.275445][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3905.275445][ T74] ipv6_find_idev+0x102/0x170 [ 3905.275445][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3905.275445][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3905.275445][ T74] netlink_rcv_skb+0x130/0x360 [ 3905.275445][ T74] netlink_unicast+0x449/0x710 [ 3905.275445][ T74] netlink_sendmsg+0x723/0xbe0 [ 3905.275445][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3905.275445][ T74] ___sys_sendmsg+0xee/0x170 [ 3905.275445][ T74] __sys_sendmsg+0xcd/0x170 [ 3905.275445][ T74] do_syscall_64+0xc6/0x1e0 [ 3905.275445][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3905.275445][ T74] [ 3915.298621][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3915.299024][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3915.299024][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3915.299024][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3915.299024][ T74] fib6_nh_init+0xa22/0x1580 [ 3915.299024][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3915.299024][ T74] ip6_route_add+0x1c/0x140 [ 3915.299024][ T74] inet6_rtm_newroute+0x104/0x110 [ 3915.299024][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3915.299024][ T74] netlink_rcv_skb+0x130/0x360 [ 3915.299024][ T74] netlink_unicast+0x449/0x710 [ 3915.299024][ T74] netlink_sendmsg+0x723/0xbe0 [ 3915.299024][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3915.299024][ T74] ___sys_sendmsg+0xee/0x170 [ 3915.299024][ T74] __sys_sendmsg+0xcd/0x170 [ 3915.299024][ T74] do_syscall_64+0xc6/0x1e0 [ 3915.299024][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3915.299024][ T74] [ 3915.300977][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3915.300977][ T74] netdev_get_by_index+0x5e/0x80 [ 3915.300977][ T74] fib6_nh_init+0x3d8/0x1580 [ 3915.300977][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3915.300977][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3915.300977][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3915.300977][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3915.300977][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3915.300977][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3915.300977][ T74] addrconf_dad_begin+0x310/0x670 [ 3915.300977][ T74] addrconf_dad_work+0x10b/0xab0 [ 3915.300977][ T74] process_one_work+0x84d/0x18a0 [ 3915.300977][ T74] worker_thread+0x587/0xd30 [ 3915.300977][ T74] kthread+0x28a/0x350 [ 3915.300977][ T74] ret_from_fork+0x31/0x70 [ 3915.300977][ T74] ret_from_fork_asm+0x1a/0x30 [ 3915.300977][ T74] [ 3915.302904][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3915.302904][ T74] netdev_get_by_index+0x5e/0x80 [ 3915.302904][ T74] fib6_nh_init+0x3d8/0x1580 [ 3915.302904][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3915.302904][ T74] ip6_route_add+0x1c/0x140 [ 3915.302904][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3915.302904][ T74] inet6_addr_add+0x4f8/0xa40 [ 3915.302904][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3915.302904][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3915.302904][ T74] netlink_rcv_skb+0x130/0x360 [ 3915.302904][ T74] netlink_unicast+0x449/0x710 [ 3915.302904][ T74] netlink_sendmsg+0x723/0xbe0 [ 3915.302904][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3915.302904][ T74] ___sys_sendmsg+0xee/0x170 [ 3915.302904][ T74] __sys_sendmsg+0xcd/0x170 [ 3915.302904][ T74] do_syscall_64+0xc6/0x1e0 [ 3915.302904][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3915.302904][ T74] [ 3915.304922][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3915.304922][ T74] netdev_get_by_index+0x5e/0x80 [ 3915.304922][ T74] fib6_nh_init+0x3d8/0x1580 [ 3915.304922][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3915.304922][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3915.304922][ T74] ipv6_add_addr+0x411/0x2000 [ 3915.304922][ T74] inet6_addr_add+0x30e/0xa40 [ 3915.304922][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3915.304922][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3915.304922][ T74] netlink_rcv_skb+0x130/0x360 [ 3915.304922][ T74] netlink_unicast+0x449/0x710 [ 3915.304922][ T74] netlink_sendmsg+0x723/0xbe0 [ 3915.304922][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3915.304922][ T74] ___sys_sendmsg+0xee/0x170 [ 3915.304922][ T74] __sys_sendmsg+0xcd/0x170 [ 3915.304922][ T74] do_syscall_64+0xc6/0x1e0 [ 3915.304922][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3915.304922][ T74] [ 3915.306940][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3915.306940][ T74] netdev_get_by_index+0x5e/0x80 [ 3915.306940][ T74] fib6_nh_init+0x3d8/0x1580 [ 3915.306940][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3915.306940][ T74] ip6_route_add+0x1c/0x140 [ 3915.306940][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3915.306940][ T74] addrconf_add_dev+0xe2/0x170 [ 3915.306940][ T74] inet6_addr_add+0x12f/0xa40 [ 3915.306940][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3915.306940][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3915.306940][ T74] netlink_rcv_skb+0x130/0x360 [ 3915.306940][ T74] netlink_unicast+0x449/0x710 [ 3915.306940][ T74] netlink_sendmsg+0x723/0xbe0 [ 3915.306940][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3915.306940][ T74] ___sys_sendmsg+0xee/0x170 [ 3915.306940][ T74] __sys_sendmsg+0xcd/0x170 [ 3915.306940][ T74] do_syscall_64+0xc6/0x1e0 [ 3915.306940][ T74] [ 3915.308926][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3915.308926][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3915.308926][ T74] ipv6_find_idev+0x102/0x170 [ 3915.308926][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3915.308926][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3915.308926][ T74] netlink_rcv_skb+0x130/0x360 [ 3915.308926][ T74] netlink_unicast+0x449/0x710 [ 3915.308926][ T74] netlink_sendmsg+0x723/0xbe0 [ 3915.308926][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3915.308926][ T74] ___sys_sendmsg+0xee/0x170 [ 3915.308926][ T74] __sys_sendmsg+0xcd/0x170 [ 3915.308926][ T74] do_syscall_64+0xc6/0x1e0 [ 3915.308926][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3915.308926][ T74] [ 3915.310495][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3915.310495][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3915.310495][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3915.310495][ T74] ipv6_find_idev+0x102/0x170 [ 3915.310495][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3915.310495][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3915.310495][ T74] netlink_rcv_skb+0x130/0x360 [ 3915.310495][ T74] netlink_unicast+0x449/0x710 [ 3915.310495][ T74] netlink_sendmsg+0x723/0xbe0 [ 3915.310495][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3915.310495][ T74] ___sys_sendmsg+0xee/0x170 [ 3915.310495][ T74] __sys_sendmsg+0xcd/0x170 [ 3915.310495][ T74] do_syscall_64+0xc6/0x1e0 [ 3915.310495][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3915.310495][ T74] [ 3915.312214][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3915.312491][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3915.312491][ T74] dst_init+0x84/0x4a0 [ 3915.312491][ T74] dst_alloc+0x97/0x150 [ 3915.312491][ T74] ip6_dst_alloc+0x23/0x90 [ 3915.312491][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3915.312491][ T74] ip6_pol_route+0x56f/0x840 [ 3915.312491][ T74] fib6_rule_lookup+0x456/0x630 [ 3915.312491][ T74] ip6_route_input+0x59c/0xa50 [ 3915.312491][ T74] ipv6_rcv+0x397/0x810 [ 3915.312491][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3915.312491][ T74] process_backlog+0x101/0x620 [ 3915.312491][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3915.312491][ T74] net_rx_action+0x495/0xbe0 [ 3915.312491][ T74] __do_softirq+0x1b5/0x7f6 [ 3915.312491][ T74] [ 3915.314145][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3915.314145][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3915.314145][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3915.314145][ T74] fib6_nh_init+0xa22/0x1580 [ 3915.314145][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3915.314145][ T74] ip6_route_add+0x1c/0x140 [ 3915.314145][ T74] inet6_rtm_newroute+0x104/0x110 [ 3915.314145][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3915.314145][ T74] netlink_rcv_skb+0x130/0x360 [ 3915.314145][ T74] netlink_unicast+0x449/0x710 [ 3915.314145][ T74] netlink_sendmsg+0x723/0xbe0 [ 3915.314145][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3915.314145][ T74] ___sys_sendmsg+0xee/0x170 [ 3915.314145][ T74] __sys_sendmsg+0xcd/0x170 [ 3915.314145][ T74] do_syscall_64+0xc6/0x1e0 [ 3915.314145][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3915.314145][ T74] [ 3915.316041][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3915.316041][ T74] netdev_get_by_index+0x5e/0x80 [ 3915.316041][ T74] fib6_nh_init+0x3d8/0x1580 [ 3915.316041][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3915.316041][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3915.316041][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3915.316041][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3915.316041][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3915.316041][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3915.316041][ T74] addrconf_dad_begin+0x310/0x670 [ 3915.316041][ T74] addrconf_dad_work+0x10b/0xab0 [ 3915.316041][ T74] process_one_work+0x84d/0x18a0 [ 3915.316041][ T74] worker_thread+0x587/0xd30 [ 3915.316041][ T74] kthread+0x28a/0x350 [ 3915.316041][ T74] ret_from_fork+0x31/0x70 [ 3915.316041][ T74] ret_from_fork_asm+0x1a/0x30 [ 3915.316041][ T74] [ 3915.317972][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3915.317972][ T74] netdev_get_by_index+0x5e/0x80 [ 3915.317972][ T74] fib6_nh_init+0x3d8/0x1580 [ 3915.317972][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3915.317972][ T74] ip6_route_add+0x1c/0x140 [ 3915.317972][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3915.317972][ T74] inet6_addr_add+0x4f8/0xa40 [ 3915.317972][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3915.317972][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3915.317972][ T74] netlink_rcv_skb+0x130/0x360 [ 3915.317972][ T74] netlink_unicast+0x449/0x710 [ 3915.317972][ T74] netlink_sendmsg+0x723/0xbe0 [ 3915.317972][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3915.317972][ T74] ___sys_sendmsg+0xee/0x170 [ 3915.317972][ T74] __sys_sendmsg+0xcd/0x170 [ 3915.317972][ T74] do_syscall_64+0xc6/0x1e0 [ 3915.317972][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3915.317972][ T74] [ 3915.320044][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3915.320044][ T74] netdev_get_by_index+0x5e/0x80 [ 3915.320044][ T74] fib6_nh_init+0x3d8/0x1580 [ 3915.320044][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3915.320044][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3915.320044][ T74] ipv6_add_addr+0x411/0x2000 [ 3915.320044][ T74] inet6_addr_add+0x30e/0xa40 [ 3915.320044][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3915.320044][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3915.320044][ T74] netlink_rcv_skb+0x130/0x360 [ 3915.320044][ T74] netlink_unicast+0x449/0x710 [ 3915.320044][ T74] netlink_sendmsg+0x723/0xbe0 [ 3915.320044][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3915.320044][ T74] ___sys_sendmsg+0xee/0x170 [ 3915.320044][ T74] __sys_sendmsg+0xcd/0x170 [ 3915.320044][ T74] do_syscall_64+0xc6/0x1e0 [ 3915.320044][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3915.320044][ T74] [ 3915.322081][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3915.322081][ T74] netdev_get_by_index+0x5e/0x80 [ 3915.322081][ T74] fib6_nh_init+0x3d8/0x1580 [ 3915.322081][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3915.322081][ T74] ip6_route_add+0x1c/0x140 [ 3915.322081][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3915.322081][ T74] addrconf_add_dev+0xe2/0x170 [ 3915.322081][ T74] inet6_addr_add+0x12f/0xa40 [ 3915.322081][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3915.322081][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3915.322081][ T74] netlink_rcv_skb+0x130/0x360 [ 3915.322081][ T74] netlink_unicast+0x449/0x710 [ 3915.322081][ T74] netlink_sendmsg+0x723/0xbe0 [ 3915.322081][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3915.322081][ T74] ___sys_sendmsg+0xee/0x170 [ 3915.322081][ T74] __sys_sendmsg+0xcd/0x170 [ 3915.322081][ T74] do_syscall_64+0xc6/0x1e0 [ 3915.322081][ T74] [ 3915.324062][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3915.324062][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3915.324062][ T74] ipv6_find_idev+0x102/0x170 [ 3915.324062][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3915.324062][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3915.324062][ T74] netlink_rcv_skb+0x130/0x360 [ 3915.324062][ T74] netlink_unicast+0x449/0x710 [ 3915.324062][ T74] netlink_sendmsg+0x723/0xbe0 [ 3915.324062][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3915.324062][ T74] ___sys_sendmsg+0xee/0x170 [ 3915.324062][ T74] __sys_sendmsg+0xcd/0x170 [ 3915.324062][ T74] do_syscall_64+0xc6/0x1e0 [ 3915.324062][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3915.324062][ T74] [ 3915.325703][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3915.325703][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3915.325703][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3915.325703][ T74] ipv6_find_idev+0x102/0x170 [ 3915.325703][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3915.325703][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3915.325703][ T74] netlink_rcv_skb+0x130/0x360 [ 3915.325703][ T74] netlink_unicast+0x449/0x710 [ 3915.325703][ T74] netlink_sendmsg+0x723/0xbe0 [ 3915.325703][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3915.325703][ T74] ___sys_sendmsg+0xee/0x170 [ 3915.325703][ T74] __sys_sendmsg+0xcd/0x170 [ 3915.325703][ T74] do_syscall_64+0xc6/0x1e0 [ 3915.325703][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3915.325703][ T74] [ 3915.327499][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3915.327819][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3915.327819][ T74] netdev_get_by_index+0x5e/0x80 [ 3915.327819][ T74] fib6_nh_init+0x3d8/0x1580 [ 3915.327819][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3915.327819][ T74] ip6_route_add+0x1c/0x140 [ 3915.327819][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3915.327819][ T74] inet6_addr_add+0x4f8/0xa40 [ 3915.327819][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3915.327819][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3915.327819][ T74] netlink_rcv_skb+0x130/0x360 [ 3915.327819][ T74] netlink_unicast+0x449/0x710 [ 3915.327819][ T74] netlink_sendmsg+0x723/0xbe0 [ 3915.327819][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3915.327819][ T74] ___sys_sendmsg+0xee/0x170 [ 3915.327819][ T74] __sys_sendmsg+0xcd/0x170 [ 3915.327819][ T74] do_syscall_64+0xc6/0x1e0 [ 3915.327819][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3915.327819][ T74] [ 3915.329913][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3915.329913][ T74] netdev_get_by_index+0x5e/0x80 [ 3915.329913][ T74] fib6_nh_init+0x3d8/0x1580 [ 3915.329913][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3915.329913][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3915.329913][ T74] ipv6_add_addr+0x411/0x2000 [ 3915.329913][ T74] inet6_addr_add+0x30e/0xa40 [ 3915.329913][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3915.329913][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3915.329913][ T74] netlink_rcv_skb+0x130/0x360 [ 3915.329913][ T74] netlink_unicast+0x449/0x710 [ 3915.329913][ T74] netlink_sendmsg+0x723/0xbe0 [ 3915.329913][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3915.329913][ T74] ___sys_sendmsg+0xee/0x170 [ 3915.329913][ T74] __sys_sendmsg+0xcd/0x170 [ 3915.329913][ T74] do_syscall_64+0xc6/0x1e0 [ 3915.329913][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3915.329913][ T74] [ 3915.332026][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3915.332026][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3915.332026][ T74] ipv6_find_idev+0x102/0x170 [ 3915.332026][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3915.332026][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3915.332026][ T74] netlink_rcv_skb+0x130/0x360 [ 3915.332026][ T74] netlink_unicast+0x449/0x710 [ 3915.332026][ T74] netlink_sendmsg+0x723/0xbe0 [ 3915.332026][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3915.332026][ T74] ___sys_sendmsg+0xee/0x170 [ 3915.332026][ T74] __sys_sendmsg+0xcd/0x170 [ 3915.332026][ T74] do_syscall_64+0xc6/0x1e0 [ 3915.332026][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3915.332026][ T74] [ 3915.334156][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3915.334156][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3915.334156][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3915.334156][ T74] ipv6_find_idev+0x102/0x170 [ 3915.334156][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3915.334156][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3915.334156][ T74] netlink_rcv_skb+0x130/0x360 [ 3915.334156][ T74] netlink_unicast+0x449/0x710 [ 3915.334156][ T74] netlink_sendmsg+0x723/0xbe0 [ 3915.334156][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3915.334156][ T74] ___sys_sendmsg+0xee/0x170 [ 3915.334156][ T74] __sys_sendmsg+0xcd/0x170 [ 3915.334156][ T74] do_syscall_64+0xc6/0x1e0 [ 3915.334156][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3915.334156][ T74] [ 3925.575971][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3925.576348][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3925.576348][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3925.576348][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3925.576348][ T74] fib6_nh_init+0xa22/0x1580 [ 3925.576348][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3925.576348][ T74] ip6_route_add+0x1c/0x140 [ 3925.576348][ T74] inet6_rtm_newroute+0x104/0x110 [ 3925.576348][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3925.576348][ T74] netlink_rcv_skb+0x130/0x360 [ 3925.576348][ T74] netlink_unicast+0x449/0x710 [ 3925.576348][ T74] netlink_sendmsg+0x723/0xbe0 [ 3925.576348][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3925.576348][ T74] ___sys_sendmsg+0xee/0x170 [ 3925.576348][ T74] __sys_sendmsg+0xcd/0x170 [ 3925.576348][ T74] do_syscall_64+0xc6/0x1e0 [ 3925.576348][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3925.576348][ T74] [ 3925.578274][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3925.578274][ T74] netdev_get_by_index+0x5e/0x80 [ 3925.578274][ T74] fib6_nh_init+0x3d8/0x1580 [ 3925.578274][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3925.578274][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3925.578274][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3925.578274][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3925.578274][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3925.578274][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3925.578274][ T74] addrconf_dad_begin+0x310/0x670 [ 3925.578274][ T74] addrconf_dad_work+0x10b/0xab0 [ 3925.578274][ T74] process_one_work+0x84d/0x18a0 [ 3925.578274][ T74] worker_thread+0x587/0xd30 [ 3925.578274][ T74] kthread+0x28a/0x350 [ 3925.578274][ T74] ret_from_fork+0x31/0x70 [ 3925.578274][ T74] ret_from_fork_asm+0x1a/0x30 [ 3925.578274][ T74] [ 3925.580244][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3925.580244][ T74] netdev_get_by_index+0x5e/0x80 [ 3925.580244][ T74] fib6_nh_init+0x3d8/0x1580 [ 3925.580244][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3925.580244][ T74] ip6_route_add+0x1c/0x140 [ 3925.580244][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3925.580244][ T74] inet6_addr_add+0x4f8/0xa40 [ 3925.580244][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3925.580244][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3925.580244][ T74] netlink_rcv_skb+0x130/0x360 [ 3925.580244][ T74] netlink_unicast+0x449/0x710 [ 3925.580244][ T74] netlink_sendmsg+0x723/0xbe0 [ 3925.580244][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3925.580244][ T74] ___sys_sendmsg+0xee/0x170 [ 3925.580244][ T74] __sys_sendmsg+0xcd/0x170 [ 3925.580244][ T74] do_syscall_64+0xc6/0x1e0 [ 3925.580244][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3925.580244][ T74] [ 3925.582312][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3925.582312][ T74] netdev_get_by_index+0x5e/0x80 [ 3925.582312][ T74] fib6_nh_init+0x3d8/0x1580 [ 3925.582312][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3925.582312][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3925.582312][ T74] ipv6_add_addr+0x411/0x2000 [ 3925.582312][ T74] inet6_addr_add+0x30e/0xa40 [ 3925.582312][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3925.582312][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3925.582312][ T74] netlink_rcv_skb+0x130/0x360 [ 3925.582312][ T74] netlink_unicast+0x449/0x710 [ 3925.582312][ T74] netlink_sendmsg+0x723/0xbe0 [ 3925.582312][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3925.582312][ T74] ___sys_sendmsg+0xee/0x170 [ 3925.582312][ T74] __sys_sendmsg+0xcd/0x170 [ 3925.582312][ T74] do_syscall_64+0xc6/0x1e0 [ 3925.582312][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3925.582312][ T74] [ 3925.584379][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3925.584379][ T74] netdev_get_by_index+0x5e/0x80 [ 3925.584379][ T74] fib6_nh_init+0x3d8/0x1580 [ 3925.584379][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3925.584379][ T74] ip6_route_add+0x1c/0x140 [ 3925.584379][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3925.584379][ T74] addrconf_add_dev+0xe2/0x170 [ 3925.584379][ T74] inet6_addr_add+0x12f/0xa40 [ 3925.584379][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3925.584379][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3925.584379][ T74] netlink_rcv_skb+0x130/0x360 [ 3925.584379][ T74] netlink_unicast+0x449/0x710 [ 3925.584379][ T74] netlink_sendmsg+0x723/0xbe0 [ 3925.584379][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3925.584379][ T74] ___sys_sendmsg+0xee/0x170 [ 3925.584379][ T74] __sys_sendmsg+0xcd/0x170 [ 3925.584379][ T74] do_syscall_64+0xc6/0x1e0 [ 3925.584379][ T74] [ 3925.586380][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3925.586380][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3925.586380][ T74] ipv6_find_idev+0x102/0x170 [ 3925.586380][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3925.586380][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3925.586380][ T74] netlink_rcv_skb+0x130/0x360 [ 3925.586380][ T74] netlink_unicast+0x449/0x710 [ 3925.586380][ T74] netlink_sendmsg+0x723/0xbe0 [ 3925.586380][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3925.586380][ T74] ___sys_sendmsg+0xee/0x170 [ 3925.586380][ T74] __sys_sendmsg+0xcd/0x170 [ 3925.586380][ T74] do_syscall_64+0xc6/0x1e0 [ 3925.586380][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3925.586380][ T74] [ 3925.587930][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3925.587930][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3925.587930][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3925.587930][ T74] ipv6_find_idev+0x102/0x170 [ 3925.587930][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3925.587930][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3925.587930][ T74] netlink_rcv_skb+0x130/0x360 [ 3925.587930][ T74] netlink_unicast+0x449/0x710 [ 3925.587930][ T74] netlink_sendmsg+0x723/0xbe0 [ 3925.587930][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3925.587930][ T74] ___sys_sendmsg+0xee/0x170 [ 3925.587930][ T74] __sys_sendmsg+0xcd/0x170 [ 3925.587930][ T74] do_syscall_64+0xc6/0x1e0 [ 3925.587930][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3925.587930][ T74] [ 3925.589642][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3925.589934][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3925.589934][ T74] dst_init+0x84/0x4a0 [ 3925.589934][ T74] dst_alloc+0x97/0x150 [ 3925.589934][ T74] ip6_dst_alloc+0x23/0x90 [ 3925.589934][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3925.589934][ T74] ip6_pol_route+0x56f/0x840 [ 3925.589934][ T74] fib6_rule_lookup+0x456/0x630 [ 3925.589934][ T74] ip6_route_input+0x59c/0xa50 [ 3925.589934][ T74] ipv6_rcv+0x397/0x810 [ 3925.589934][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3925.589934][ T74] process_backlog+0x101/0x620 [ 3925.589934][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3925.589934][ T74] net_rx_action+0x495/0xbe0 [ 3925.589934][ T74] __do_softirq+0x1b5/0x7f6 [ 3925.589934][ T74] [ 3925.591593][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3925.591593][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3925.591593][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3925.591593][ T74] fib6_nh_init+0xa22/0x1580 [ 3925.591593][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3925.591593][ T74] ip6_route_add+0x1c/0x140 [ 3925.591593][ T74] inet6_rtm_newroute+0x104/0x110 [ 3925.591593][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3925.591593][ T74] netlink_rcv_skb+0x130/0x360 [ 3925.591593][ T74] netlink_unicast+0x449/0x710 [ 3925.591593][ T74] netlink_sendmsg+0x723/0xbe0 [ 3925.591593][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3925.591593][ T74] ___sys_sendmsg+0xee/0x170 [ 3925.591593][ T74] __sys_sendmsg+0xcd/0x170 [ 3925.591593][ T74] do_syscall_64+0xc6/0x1e0 [ 3925.591593][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3925.591593][ T74] [ 3925.593522][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3925.593522][ T74] netdev_get_by_index+0x5e/0x80 [ 3925.593522][ T74] fib6_nh_init+0x3d8/0x1580 [ 3925.593522][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3925.593522][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3925.593522][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3925.593522][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3925.593522][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3925.593522][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3925.593522][ T74] addrconf_dad_begin+0x310/0x670 [ 3925.593522][ T74] addrconf_dad_work+0x10b/0xab0 [ 3925.593522][ T74] process_one_work+0x84d/0x18a0 [ 3925.593522][ T74] worker_thread+0x587/0xd30 [ 3925.593522][ T74] kthread+0x28a/0x350 [ 3925.593522][ T74] ret_from_fork+0x31/0x70 [ 3925.593522][ T74] ret_from_fork_asm+0x1a/0x30 [ 3925.593522][ T74] [ 3925.595467][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3925.595467][ T74] netdev_get_by_index+0x5e/0x80 [ 3925.595467][ T74] fib6_nh_init+0x3d8/0x1580 [ 3925.595467][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3925.595467][ T74] ip6_route_add+0x1c/0x140 [ 3925.595467][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3925.595467][ T74] inet6_addr_add+0x4f8/0xa40 [ 3925.595467][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3925.595467][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3925.595467][ T74] netlink_rcv_skb+0x130/0x360 [ 3925.595467][ T74] netlink_unicast+0x449/0x710 [ 3925.595467][ T74] netlink_sendmsg+0x723/0xbe0 [ 3925.595467][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3925.595467][ T74] ___sys_sendmsg+0xee/0x170 [ 3925.595467][ T74] __sys_sendmsg+0xcd/0x170 [ 3925.595467][ T74] do_syscall_64+0xc6/0x1e0 [ 3925.595467][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3925.595467][ T74] [ 3925.597506][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3925.597506][ T74] netdev_get_by_index+0x5e/0x80 [ 3925.597506][ T74] fib6_nh_init+0x3d8/0x1580 [ 3925.597506][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3925.597506][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3925.597506][ T74] ipv6_add_addr+0x411/0x2000 [ 3925.597506][ T74] inet6_addr_add+0x30e/0xa40 [ 3925.597506][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3925.597506][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3925.597506][ T74] netlink_rcv_skb+0x130/0x360 [ 3925.597506][ T74] netlink_unicast+0x449/0x710 [ 3925.597506][ T74] netlink_sendmsg+0x723/0xbe0 [ 3925.597506][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3925.597506][ T74] ___sys_sendmsg+0xee/0x170 [ 3925.597506][ T74] __sys_sendmsg+0xcd/0x170 [ 3925.597506][ T74] do_syscall_64+0xc6/0x1e0 [ 3925.597506][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3925.597506][ T74] [ 3925.599541][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3925.599541][ T74] netdev_get_by_index+0x5e/0x80 [ 3925.599541][ T74] fib6_nh_init+0x3d8/0x1580 [ 3925.599541][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3925.599541][ T74] ip6_route_add+0x1c/0x140 [ 3925.599541][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3925.599541][ T74] addrconf_add_dev+0xe2/0x170 [ 3925.599541][ T74] inet6_addr_add+0x12f/0xa40 [ 3925.599541][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3925.599541][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3925.599541][ T74] netlink_rcv_skb+0x130/0x360 [ 3925.599541][ T74] netlink_unicast+0x449/0x710 [ 3925.599541][ T74] netlink_sendmsg+0x723/0xbe0 [ 3925.599541][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3925.599541][ T74] ___sys_sendmsg+0xee/0x170 [ 3925.599541][ T74] __sys_sendmsg+0xcd/0x170 [ 3925.599541][ T74] do_syscall_64+0xc6/0x1e0 [ 3925.599541][ T74] [ 3925.601891][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3925.601891][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3925.601891][ T74] ipv6_find_idev+0x102/0x170 [ 3925.601891][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3925.601891][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3925.601891][ T74] netlink_rcv_skb+0x130/0x360 [ 3925.601891][ T74] netlink_unicast+0x449/0x710 [ 3925.601891][ T74] netlink_sendmsg+0x723/0xbe0 [ 3925.601891][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3925.601891][ T74] ___sys_sendmsg+0xee/0x170 [ 3925.601891][ T74] __sys_sendmsg+0xcd/0x170 [ 3925.601891][ T74] do_syscall_64+0xc6/0x1e0 [ 3925.601891][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3925.601891][ T74] [ 3925.603601][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3925.603601][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3925.603601][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3925.603601][ T74] ipv6_find_idev+0x102/0x170 [ 3925.603601][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3925.603601][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3925.603601][ T74] netlink_rcv_skb+0x130/0x360 [ 3925.603601][ T74] netlink_unicast+0x449/0x710 [ 3925.603601][ T74] netlink_sendmsg+0x723/0xbe0 [ 3925.603601][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3925.603601][ T74] ___sys_sendmsg+0xee/0x170 [ 3925.603601][ T74] __sys_sendmsg+0xcd/0x170 [ 3925.603601][ T74] do_syscall_64+0xc6/0x1e0 [ 3925.603601][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3925.603601][ T74] [ 3925.605379][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3925.605687][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3925.605687][ T74] netdev_get_by_index+0x5e/0x80 [ 3925.605687][ T74] fib6_nh_init+0x3d8/0x1580 [ 3925.605687][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3925.605687][ T74] ip6_route_add+0x1c/0x140 [ 3925.605687][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3925.605687][ T74] inet6_addr_add+0x4f8/0xa40 [ 3925.605687][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3925.605687][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3925.605687][ T74] netlink_rcv_skb+0x130/0x360 [ 3925.605687][ T74] netlink_unicast+0x449/0x710 [ 3925.605687][ T74] netlink_sendmsg+0x723/0xbe0 [ 3925.605687][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3925.605687][ T74] ___sys_sendmsg+0xee/0x170 [ 3925.605687][ T74] __sys_sendmsg+0xcd/0x170 [ 3925.605687][ T74] do_syscall_64+0xc6/0x1e0 [ 3925.605687][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3925.605687][ T74] [ 3925.607774][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3925.607774][ T74] netdev_get_by_index+0x5e/0x80 [ 3925.607774][ T74] fib6_nh_init+0x3d8/0x1580 [ 3925.607774][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3925.607774][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3925.607774][ T74] ipv6_add_addr+0x411/0x2000 [ 3925.607774][ T74] inet6_addr_add+0x30e/0xa40 [ 3925.607774][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3925.607774][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3925.607774][ T74] netlink_rcv_skb+0x130/0x360 [ 3925.607774][ T74] netlink_unicast+0x449/0x710 [ 3925.607774][ T74] netlink_sendmsg+0x723/0xbe0 [ 3925.607774][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3925.607774][ T74] ___sys_sendmsg+0xee/0x170 [ 3925.607774][ T74] __sys_sendmsg+0xcd/0x170 [ 3925.607774][ T74] do_syscall_64+0xc6/0x1e0 [ 3925.607774][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3925.607774][ T74] [ 3925.609923][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3925.609923][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3925.609923][ T74] ipv6_find_idev+0x102/0x170 [ 3925.609923][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3925.609923][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3925.609923][ T74] netlink_rcv_skb+0x130/0x360 [ 3925.609923][ T74] netlink_unicast+0x449/0x710 [ 3925.609923][ T74] netlink_sendmsg+0x723/0xbe0 [ 3925.609923][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3925.609923][ T74] ___sys_sendmsg+0xee/0x170 [ 3925.609923][ T74] __sys_sendmsg+0xcd/0x170 [ 3925.609923][ T74] do_syscall_64+0xc6/0x1e0 [ 3925.609923][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3925.609923][ T74] [ 3925.611649][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3925.611649][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3925.611649][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3925.611649][ T74] ipv6_find_idev+0x102/0x170 [ 3925.611649][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3925.611649][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3925.611649][ T74] netlink_rcv_skb+0x130/0x360 [ 3925.611649][ T74] netlink_unicast+0x449/0x710 [ 3925.611649][ T74] netlink_sendmsg+0x723/0xbe0 [ 3925.611649][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3925.611649][ T74] ___sys_sendmsg+0xee/0x170 [ 3925.611649][ T74] __sys_sendmsg+0xcd/0x170 [ 3925.611649][ T74] do_syscall_64+0xc6/0x1e0 [ 3925.611649][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3925.611649][ T74] [ 3935.807952][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3935.808329][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3935.808329][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3935.808329][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3935.808329][ T74] fib6_nh_init+0xa22/0x1580 [ 3935.808329][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3935.808329][ T74] ip6_route_add+0x1c/0x140 [ 3935.808329][ T74] inet6_rtm_newroute+0x104/0x110 [ 3935.808329][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3935.808329][ T74] netlink_rcv_skb+0x130/0x360 [ 3935.808329][ T74] netlink_unicast+0x449/0x710 [ 3935.808329][ T74] netlink_sendmsg+0x723/0xbe0 [ 3935.808329][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3935.808329][ T74] ___sys_sendmsg+0xee/0x170 [ 3935.808329][ T74] __sys_sendmsg+0xcd/0x170 [ 3935.808329][ T74] do_syscall_64+0xc6/0x1e0 [ 3935.808329][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3935.808329][ T74] [ 3935.810284][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3935.810284][ T74] netdev_get_by_index+0x5e/0x80 [ 3935.810284][ T74] fib6_nh_init+0x3d8/0x1580 [ 3935.810284][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3935.810284][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3935.810284][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3935.810284][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3935.810284][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3935.810284][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3935.810284][ T74] addrconf_dad_begin+0x310/0x670 [ 3935.810284][ T74] addrconf_dad_work+0x10b/0xab0 [ 3935.810284][ T74] process_one_work+0x84d/0x18a0 [ 3935.810284][ T74] worker_thread+0x587/0xd30 [ 3935.810284][ T74] kthread+0x28a/0x350 [ 3935.810284][ T74] ret_from_fork+0x31/0x70 [ 3935.810284][ T74] ret_from_fork_asm+0x1a/0x30 [ 3935.810284][ T74] [ 3935.812741][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3935.812741][ T74] netdev_get_by_index+0x5e/0x80 [ 3935.812741][ T74] fib6_nh_init+0x3d8/0x1580 [ 3935.812741][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3935.812741][ T74] ip6_route_add+0x1c/0x140 [ 3935.812741][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3935.812741][ T74] inet6_addr_add+0x4f8/0xa40 [ 3935.812741][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3935.812741][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3935.812741][ T74] netlink_rcv_skb+0x130/0x360 [ 3935.812741][ T74] netlink_unicast+0x449/0x710 [ 3935.812741][ T74] netlink_sendmsg+0x723/0xbe0 [ 3935.812741][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3935.812741][ T74] ___sys_sendmsg+0xee/0x170 [ 3935.812741][ T74] __sys_sendmsg+0xcd/0x170 [ 3935.812741][ T74] do_syscall_64+0xc6/0x1e0 [ 3935.812741][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3935.812741][ T74] [ 3935.814735][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3935.814735][ T74] netdev_get_by_index+0x5e/0x80 [ 3935.814735][ T74] fib6_nh_init+0x3d8/0x1580 [ 3935.814735][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3935.814735][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3935.814735][ T74] ipv6_add_addr+0x411/0x2000 [ 3935.814735][ T74] inet6_addr_add+0x30e/0xa40 [ 3935.814735][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3935.814735][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3935.814735][ T74] netlink_rcv_skb+0x130/0x360 [ 3935.814735][ T74] netlink_unicast+0x449/0x710 [ 3935.814735][ T74] netlink_sendmsg+0x723/0xbe0 [ 3935.814735][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3935.814735][ T74] ___sys_sendmsg+0xee/0x170 [ 3935.814735][ T74] __sys_sendmsg+0xcd/0x170 [ 3935.814735][ T74] do_syscall_64+0xc6/0x1e0 [ 3935.814735][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3935.814735][ T74] [ 3935.816880][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3935.816880][ T74] netdev_get_by_index+0x5e/0x80 [ 3935.816880][ T74] fib6_nh_init+0x3d8/0x1580 [ 3935.816880][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3935.816880][ T74] ip6_route_add+0x1c/0x140 [ 3935.816880][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3935.816880][ T74] addrconf_add_dev+0xe2/0x170 [ 3935.816880][ T74] inet6_addr_add+0x12f/0xa40 [ 3935.816880][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3935.816880][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3935.816880][ T74] netlink_rcv_skb+0x130/0x360 [ 3935.816880][ T74] netlink_unicast+0x449/0x710 [ 3935.816880][ T74] netlink_sendmsg+0x723/0xbe0 [ 3935.816880][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3935.816880][ T74] ___sys_sendmsg+0xee/0x170 [ 3935.816880][ T74] __sys_sendmsg+0xcd/0x170 [ 3935.816880][ T74] do_syscall_64+0xc6/0x1e0 [ 3935.816880][ T74] [ 3935.818833][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3935.818833][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3935.818833][ T74] ipv6_find_idev+0x102/0x170 [ 3935.818833][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3935.818833][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3935.818833][ T74] netlink_rcv_skb+0x130/0x360 [ 3935.818833][ T74] netlink_unicast+0x449/0x710 [ 3935.818833][ T74] netlink_sendmsg+0x723/0xbe0 [ 3935.818833][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3935.818833][ T74] ___sys_sendmsg+0xee/0x170 [ 3935.818833][ T74] __sys_sendmsg+0xcd/0x170 [ 3935.818833][ T74] do_syscall_64+0xc6/0x1e0 [ 3935.818833][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3935.818833][ T74] [ 3935.820429][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3935.820429][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3935.820429][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3935.820429][ T74] ipv6_find_idev+0x102/0x170 [ 3935.820429][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3935.820429][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3935.820429][ T74] netlink_rcv_skb+0x130/0x360 [ 3935.820429][ T74] netlink_unicast+0x449/0x710 [ 3935.820429][ T74] netlink_sendmsg+0x723/0xbe0 [ 3935.820429][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3935.820429][ T74] ___sys_sendmsg+0xee/0x170 [ 3935.820429][ T74] __sys_sendmsg+0xcd/0x170 [ 3935.820429][ T74] do_syscall_64+0xc6/0x1e0 [ 3935.820429][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3935.820429][ T74] [ 3935.822160][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3935.822447][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3935.822447][ T74] dst_init+0x84/0x4a0 [ 3935.822447][ T74] dst_alloc+0x97/0x150 [ 3935.822447][ T74] ip6_dst_alloc+0x23/0x90 [ 3935.822447][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3935.822447][ T74] ip6_pol_route+0x56f/0x840 [ 3935.822447][ T74] fib6_rule_lookup+0x456/0x630 [ 3935.822447][ T74] ip6_route_input+0x59c/0xa50 [ 3935.822447][ T74] ipv6_rcv+0x397/0x810 [ 3935.822447][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3935.822447][ T74] process_backlog+0x101/0x620 [ 3935.822447][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3935.822447][ T74] net_rx_action+0x495/0xbe0 [ 3935.822447][ T74] __do_softirq+0x1b5/0x7f6 [ 3935.822447][ T74] [ 3935.824102][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3935.824102][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3935.824102][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3935.824102][ T74] fib6_nh_init+0xa22/0x1580 [ 3935.824102][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3935.824102][ T74] ip6_route_add+0x1c/0x140 [ 3935.824102][ T74] inet6_rtm_newroute+0x104/0x110 [ 3935.824102][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3935.824102][ T74] netlink_rcv_skb+0x130/0x360 [ 3935.824102][ T74] netlink_unicast+0x449/0x710 [ 3935.824102][ T74] netlink_sendmsg+0x723/0xbe0 [ 3935.824102][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3935.824102][ T74] ___sys_sendmsg+0xee/0x170 [ 3935.824102][ T74] __sys_sendmsg+0xcd/0x170 [ 3935.824102][ T74] do_syscall_64+0xc6/0x1e0 [ 3935.824102][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3935.824102][ T74] [ 3935.826019][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3935.826019][ T74] netdev_get_by_index+0x5e/0x80 [ 3935.826019][ T74] fib6_nh_init+0x3d8/0x1580 [ 3935.826019][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3935.826019][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3935.826019][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3935.826019][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3935.826019][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3935.826019][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3935.826019][ T74] addrconf_dad_begin+0x310/0x670 [ 3935.826019][ T74] addrconf_dad_work+0x10b/0xab0 [ 3935.826019][ T74] process_one_work+0x84d/0x18a0 [ 3935.826019][ T74] worker_thread+0x587/0xd30 [ 3935.826019][ T74] kthread+0x28a/0x350 [ 3935.826019][ T74] ret_from_fork+0x31/0x70 [ 3935.826019][ T74] ret_from_fork_asm+0x1a/0x30 [ 3935.826019][ T74] [ 3935.828313][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3935.828313][ T74] netdev_get_by_index+0x5e/0x80 [ 3935.828313][ T74] fib6_nh_init+0x3d8/0x1580 [ 3935.828313][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3935.828313][ T74] ip6_route_add+0x1c/0x140 [ 3935.828313][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3935.828313][ T74] inet6_addr_add+0x4f8/0xa40 [ 3935.828313][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3935.828313][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3935.828313][ T74] netlink_rcv_skb+0x130/0x360 [ 3935.828313][ T74] netlink_unicast+0x449/0x710 [ 3935.828313][ T74] netlink_sendmsg+0x723/0xbe0 [ 3935.828313][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3935.828313][ T74] ___sys_sendmsg+0xee/0x170 [ 3935.828313][ T74] __sys_sendmsg+0xcd/0x170 [ 3935.828313][ T74] do_syscall_64+0xc6/0x1e0 [ 3935.828313][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3935.828313][ T74] [ 3935.830318][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3935.830318][ T74] netdev_get_by_index+0x5e/0x80 [ 3935.830318][ T74] fib6_nh_init+0x3d8/0x1580 [ 3935.830318][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3935.830318][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3935.830318][ T74] ipv6_add_addr+0x411/0x2000 [ 3935.830318][ T74] inet6_addr_add+0x30e/0xa40 [ 3935.830318][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3935.830318][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3935.830318][ T74] netlink_rcv_skb+0x130/0x360 [ 3935.830318][ T74] netlink_unicast+0x449/0x710 [ 3935.830318][ T74] netlink_sendmsg+0x723/0xbe0 [ 3935.830318][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3935.830318][ T74] ___sys_sendmsg+0xee/0x170 [ 3935.830318][ T74] __sys_sendmsg+0xcd/0x170 [ 3935.830318][ T74] do_syscall_64+0xc6/0x1e0 [ 3935.830318][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3935.830318][ T74] [ 3935.832343][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3935.832343][ T74] netdev_get_by_index+0x5e/0x80 [ 3935.832343][ T74] fib6_nh_init+0x3d8/0x1580 [ 3935.832343][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3935.832343][ T74] ip6_route_add+0x1c/0x140 [ 3935.832343][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3935.832343][ T74] addrconf_add_dev+0xe2/0x170 [ 3935.832343][ T74] inet6_addr_add+0x12f/0xa40 [ 3935.832343][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3935.832343][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3935.832343][ T74] netlink_rcv_skb+0x130/0x360 [ 3935.832343][ T74] netlink_unicast+0x449/0x710 [ 3935.832343][ T74] netlink_sendmsg+0x723/0xbe0 [ 3935.832343][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3935.832343][ T74] ___sys_sendmsg+0xee/0x170 [ 3935.832343][ T74] __sys_sendmsg+0xcd/0x170 [ 3935.832343][ T74] do_syscall_64+0xc6/0x1e0 [ 3935.832343][ T74] [ 3935.834328][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3935.834328][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3935.834328][ T74] ipv6_find_idev+0x102/0x170 [ 3935.834328][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3935.834328][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3935.834328][ T74] netlink_rcv_skb+0x130/0x360 [ 3935.834328][ T74] netlink_unicast+0x449/0x710 [ 3935.834328][ T74] netlink_sendmsg+0x723/0xbe0 [ 3935.834328][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3935.834328][ T74] ___sys_sendmsg+0xee/0x170 [ 3935.834328][ T74] __sys_sendmsg+0xcd/0x170 [ 3935.834328][ T74] do_syscall_64+0xc6/0x1e0 [ 3935.834328][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3935.834328][ T74] [ 3935.836028][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3935.836028][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3935.836028][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3935.836028][ T74] ipv6_find_idev+0x102/0x170 [ 3935.836028][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3935.836028][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3935.836028][ T74] netlink_rcv_skb+0x130/0x360 [ 3935.836028][ T74] netlink_unicast+0x449/0x710 [ 3935.836028][ T74] netlink_sendmsg+0x723/0xbe0 [ 3935.836028][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3935.836028][ T74] ___sys_sendmsg+0xee/0x170 [ 3935.836028][ T74] __sys_sendmsg+0xcd/0x170 [ 3935.836028][ T74] do_syscall_64+0xc6/0x1e0 [ 3935.836028][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3935.836028][ T74] [ 3935.837978][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3935.838216][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3935.838216][ T74] netdev_get_by_index+0x5e/0x80 [ 3935.838216][ T74] fib6_nh_init+0x3d8/0x1580 [ 3935.838216][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3935.838216][ T74] ip6_route_add+0x1c/0x140 [ 3935.838216][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3935.838216][ T74] inet6_addr_add+0x4f8/0xa40 [ 3935.838216][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3935.838216][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3935.838216][ T74] netlink_rcv_skb+0x130/0x360 [ 3935.838216][ T74] netlink_unicast+0x449/0x710 [ 3935.838216][ T74] netlink_sendmsg+0x723/0xbe0 [ 3935.838216][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3935.838216][ T74] ___sys_sendmsg+0xee/0x170 [ 3935.838216][ T74] __sys_sendmsg+0xcd/0x170 [ 3935.838216][ T74] do_syscall_64+0xc6/0x1e0 [ 3935.838216][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3935.838216][ T74] [ 3935.840395][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3935.840395][ T74] netdev_get_by_index+0x5e/0x80 [ 3935.840395][ T74] fib6_nh_init+0x3d8/0x1580 [ 3935.840395][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3935.840395][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3935.840395][ T74] ipv6_add_addr+0x411/0x2000 [ 3935.840395][ T74] inet6_addr_add+0x30e/0xa40 [ 3935.840395][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3935.840395][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3935.840395][ T74] netlink_rcv_skb+0x130/0x360 [ 3935.840395][ T74] netlink_unicast+0x449/0x710 [ 3935.840395][ T74] netlink_sendmsg+0x723/0xbe0 [ 3935.840395][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3935.840395][ T74] ___sys_sendmsg+0xee/0x170 [ 3935.840395][ T74] __sys_sendmsg+0xcd/0x170 [ 3935.840395][ T74] do_syscall_64+0xc6/0x1e0 [ 3935.840395][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3935.840395][ T74] [ 3935.842448][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3935.842448][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3935.842448][ T74] ipv6_find_idev+0x102/0x170 [ 3935.842448][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3935.842448][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3935.842448][ T74] netlink_rcv_skb+0x130/0x360 [ 3935.842448][ T74] netlink_unicast+0x449/0x710 [ 3935.842448][ T74] netlink_sendmsg+0x723/0xbe0 [ 3935.842448][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3935.842448][ T74] ___sys_sendmsg+0xee/0x170 [ 3935.842448][ T74] __sys_sendmsg+0xcd/0x170 [ 3935.842448][ T74] do_syscall_64+0xc6/0x1e0 [ 3935.842448][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3935.842448][ T74] [ 3935.844043][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3935.844043][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3935.844043][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3935.844043][ T74] ipv6_find_idev+0x102/0x170 [ 3935.844043][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3935.844043][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3935.844043][ T74] netlink_rcv_skb+0x130/0x360 [ 3935.844043][ T74] netlink_unicast+0x449/0x710 [ 3935.844043][ T74] netlink_sendmsg+0x723/0xbe0 [ 3935.844043][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3935.844043][ T74] ___sys_sendmsg+0xee/0x170 [ 3935.844043][ T74] __sys_sendmsg+0xcd/0x170 [ 3935.844043][ T74] do_syscall_64+0xc6/0x1e0 [ 3935.844043][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3935.844043][ T74] [ 3946.071971][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3946.072408][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3946.072408][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3946.072408][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3946.072408][ T74] fib6_nh_init+0xa22/0x1580 [ 3946.072408][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3946.072408][ T74] ip6_route_add+0x1c/0x140 [ 3946.072408][ T74] inet6_rtm_newroute+0x104/0x110 [ 3946.072408][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3946.072408][ T74] netlink_rcv_skb+0x130/0x360 [ 3946.072408][ T74] netlink_unicast+0x449/0x710 [ 3946.072408][ T74] netlink_sendmsg+0x723/0xbe0 [ 3946.072408][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3946.072408][ T74] ___sys_sendmsg+0xee/0x170 [ 3946.072408][ T74] __sys_sendmsg+0xcd/0x170 [ 3946.072408][ T74] do_syscall_64+0xc6/0x1e0 [ 3946.072408][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3946.072408][ T74] [ 3946.074335][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3946.074335][ T74] netdev_get_by_index+0x5e/0x80 [ 3946.074335][ T74] fib6_nh_init+0x3d8/0x1580 [ 3946.074335][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3946.074335][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3946.074335][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3946.074335][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3946.074335][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3946.074335][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3946.074335][ T74] addrconf_dad_begin+0x310/0x670 [ 3946.074335][ T74] addrconf_dad_work+0x10b/0xab0 [ 3946.074335][ T74] process_one_work+0x84d/0x18a0 [ 3946.074335][ T74] worker_thread+0x587/0xd30 [ 3946.074335][ T74] kthread+0x28a/0x350 [ 3946.074335][ T74] ret_from_fork+0x31/0x70 [ 3946.074335][ T74] ret_from_fork_asm+0x1a/0x30 [ 3946.074335][ T74] [ 3946.076245][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3946.076245][ T74] netdev_get_by_index+0x5e/0x80 [ 3946.076245][ T74] fib6_nh_init+0x3d8/0x1580 [ 3946.076245][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3946.076245][ T74] ip6_route_add+0x1c/0x140 [ 3946.076245][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3946.076245][ T74] inet6_addr_add+0x4f8/0xa40 [ 3946.076245][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3946.076245][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3946.076245][ T74] netlink_rcv_skb+0x130/0x360 [ 3946.076245][ T74] netlink_unicast+0x449/0x710 [ 3946.076245][ T74] netlink_sendmsg+0x723/0xbe0 [ 3946.076245][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3946.076245][ T74] ___sys_sendmsg+0xee/0x170 [ 3946.076245][ T74] __sys_sendmsg+0xcd/0x170 [ 3946.076245][ T74] do_syscall_64+0xc6/0x1e0 [ 3946.076245][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3946.076245][ T74] [ 3946.078240][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3946.078240][ T74] netdev_get_by_index+0x5e/0x80 [ 3946.078240][ T74] fib6_nh_init+0x3d8/0x1580 [ 3946.078240][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3946.078240][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3946.078240][ T74] ipv6_add_addr+0x411/0x2000 [ 3946.078240][ T74] inet6_addr_add+0x30e/0xa40 [ 3946.078240][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3946.078240][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3946.078240][ T74] netlink_rcv_skb+0x130/0x360 [ 3946.078240][ T74] netlink_unicast+0x449/0x710 [ 3946.078240][ T74] netlink_sendmsg+0x723/0xbe0 [ 3946.078240][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3946.078240][ T74] ___sys_sendmsg+0xee/0x170 [ 3946.078240][ T74] __sys_sendmsg+0xcd/0x170 [ 3946.078240][ T74] do_syscall_64+0xc6/0x1e0 [ 3946.078240][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3946.078240][ T74] [ 3946.080270][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3946.080270][ T74] netdev_get_by_index+0x5e/0x80 [ 3946.080270][ T74] fib6_nh_init+0x3d8/0x1580 [ 3946.080270][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3946.080270][ T74] ip6_route_add+0x1c/0x140 [ 3946.080270][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3946.080270][ T74] addrconf_add_dev+0xe2/0x170 [ 3946.080270][ T74] inet6_addr_add+0x12f/0xa40 [ 3946.080270][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3946.080270][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3946.080270][ T74] netlink_rcv_skb+0x130/0x360 [ 3946.080270][ T74] netlink_unicast+0x449/0x710 [ 3946.080270][ T74] netlink_sendmsg+0x723/0xbe0 [ 3946.080270][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3946.080270][ T74] ___sys_sendmsg+0xee/0x170 [ 3946.080270][ T74] __sys_sendmsg+0xcd/0x170 [ 3946.080270][ T74] do_syscall_64+0xc6/0x1e0 [ 3946.080270][ T74] [ 3946.082234][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3946.082234][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3946.082234][ T74] ipv6_find_idev+0x102/0x170 [ 3946.082234][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3946.082234][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3946.082234][ T74] netlink_rcv_skb+0x130/0x360 [ 3946.082234][ T74] netlink_unicast+0x449/0x710 [ 3946.082234][ T74] netlink_sendmsg+0x723/0xbe0 [ 3946.082234][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3946.082234][ T74] ___sys_sendmsg+0xee/0x170 [ 3946.082234][ T74] __sys_sendmsg+0xcd/0x170 [ 3946.082234][ T74] do_syscall_64+0xc6/0x1e0 [ 3946.082234][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3946.082234][ T74] [ 3946.083774][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3946.083774][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3946.083774][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3946.083774][ T74] ipv6_find_idev+0x102/0x170 [ 3946.083774][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3946.083774][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3946.083774][ T74] netlink_rcv_skb+0x130/0x360 [ 3946.083774][ T74] netlink_unicast+0x449/0x710 [ 3946.083774][ T74] netlink_sendmsg+0x723/0xbe0 [ 3946.083774][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3946.083774][ T74] ___sys_sendmsg+0xee/0x170 [ 3946.083774][ T74] __sys_sendmsg+0xcd/0x170 [ 3946.083774][ T74] do_syscall_64+0xc6/0x1e0 [ 3946.083774][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3946.083774][ T74] [ 3946.085477][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3946.085752][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3946.085752][ T74] dst_init+0x84/0x4a0 [ 3946.085752][ T74] dst_alloc+0x97/0x150 [ 3946.085752][ T74] ip6_dst_alloc+0x23/0x90 [ 3946.085752][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3946.085752][ T74] ip6_pol_route+0x56f/0x840 [ 3946.085752][ T74] fib6_rule_lookup+0x456/0x630 [ 3946.085752][ T74] ip6_route_input+0x59c/0xa50 [ 3946.085752][ T74] ipv6_rcv+0x397/0x810 [ 3946.085752][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3946.085752][ T74] process_backlog+0x101/0x620 [ 3946.085752][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3946.085752][ T74] net_rx_action+0x495/0xbe0 [ 3946.085752][ T74] __do_softirq+0x1b5/0x7f6 [ 3946.085752][ T74] [ 3946.087385][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3946.087385][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3946.087385][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3946.087385][ T74] fib6_nh_init+0xa22/0x1580 [ 3946.087385][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3946.087385][ T74] ip6_route_add+0x1c/0x140 [ 3946.087385][ T74] inet6_rtm_newroute+0x104/0x110 [ 3946.087385][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3946.087385][ T74] netlink_rcv_skb+0x130/0x360 [ 3946.087385][ T74] netlink_unicast+0x449/0x710 [ 3946.087385][ T74] netlink_sendmsg+0x723/0xbe0 [ 3946.087385][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3946.087385][ T74] ___sys_sendmsg+0xee/0x170 [ 3946.087385][ T74] __sys_sendmsg+0xcd/0x170 [ 3946.087385][ T74] do_syscall_64+0xc6/0x1e0 [ 3946.087385][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3946.087385][ T74] [ 3946.089263][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3946.089263][ T74] netdev_get_by_index+0x5e/0x80 [ 3946.089263][ T74] fib6_nh_init+0x3d8/0x1580 [ 3946.089263][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3946.089263][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3946.089263][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3946.089263][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3946.089263][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3946.089263][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3946.089263][ T74] addrconf_dad_begin+0x310/0x670 [ 3946.089263][ T74] addrconf_dad_work+0x10b/0xab0 [ 3946.089263][ T74] process_one_work+0x84d/0x18a0 [ 3946.089263][ T74] worker_thread+0x587/0xd30 [ 3946.089263][ T74] kthread+0x28a/0x350 [ 3946.089263][ T74] ret_from_fork+0x31/0x70 [ 3946.089263][ T74] ret_from_fork_asm+0x1a/0x30 [ 3946.089263][ T74] [ 3946.091177][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3946.091177][ T74] netdev_get_by_index+0x5e/0x80 [ 3946.091177][ T74] fib6_nh_init+0x3d8/0x1580 [ 3946.091177][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3946.091177][ T74] ip6_route_add+0x1c/0x140 [ 3946.091177][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3946.091177][ T74] inet6_addr_add+0x4f8/0xa40 [ 3946.091177][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3946.091177][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3946.091177][ T74] netlink_rcv_skb+0x130/0x360 [ 3946.091177][ T74] netlink_unicast+0x449/0x710 [ 3946.091177][ T74] netlink_sendmsg+0x723/0xbe0 [ 3946.091177][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3946.091177][ T74] ___sys_sendmsg+0xee/0x170 [ 3946.091177][ T74] __sys_sendmsg+0xcd/0x170 [ 3946.091177][ T74] do_syscall_64+0xc6/0x1e0 [ 3946.091177][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3946.091177][ T74] [ 3946.093173][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3946.093173][ T74] netdev_get_by_index+0x5e/0x80 [ 3946.093173][ T74] fib6_nh_init+0x3d8/0x1580 [ 3946.093173][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3946.093173][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3946.093173][ T74] ipv6_add_addr+0x411/0x2000 [ 3946.093173][ T74] inet6_addr_add+0x30e/0xa40 [ 3946.093173][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3946.093173][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3946.093173][ T74] netlink_rcv_skb+0x130/0x360 [ 3946.093173][ T74] netlink_unicast+0x449/0x710 [ 3946.093173][ T74] netlink_sendmsg+0x723/0xbe0 [ 3946.093173][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3946.093173][ T74] ___sys_sendmsg+0xee/0x170 [ 3946.093173][ T74] __sys_sendmsg+0xcd/0x170 [ 3946.093173][ T74] do_syscall_64+0xc6/0x1e0 [ 3946.093173][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3946.093173][ T74] [ 3946.095161][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3946.095161][ T74] netdev_get_by_index+0x5e/0x80 [ 3946.095161][ T74] fib6_nh_init+0x3d8/0x1580 [ 3946.095161][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3946.095161][ T74] ip6_route_add+0x1c/0x140 [ 3946.095161][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3946.095161][ T74] addrconf_add_dev+0xe2/0x170 [ 3946.095161][ T74] inet6_addr_add+0x12f/0xa40 [ 3946.095161][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3946.095161][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3946.095161][ T74] netlink_rcv_skb+0x130/0x360 [ 3946.095161][ T74] netlink_unicast+0x449/0x710 [ 3946.095161][ T74] netlink_sendmsg+0x723/0xbe0 [ 3946.095161][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3946.095161][ T74] ___sys_sendmsg+0xee/0x170 [ 3946.095161][ T74] __sys_sendmsg+0xcd/0x170 [ 3946.095161][ T74] do_syscall_64+0xc6/0x1e0 [ 3946.095161][ T74] [ 3946.097117][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3946.097117][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3946.097117][ T74] ipv6_find_idev+0x102/0x170 [ 3946.097117][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3946.097117][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3946.097117][ T74] netlink_rcv_skb+0x130/0x360 [ 3946.097117][ T74] netlink_unicast+0x449/0x710 [ 3946.097117][ T74] netlink_sendmsg+0x723/0xbe0 [ 3946.097117][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3946.097117][ T74] ___sys_sendmsg+0xee/0x170 [ 3946.097117][ T74] __sys_sendmsg+0xcd/0x170 [ 3946.097117][ T74] do_syscall_64+0xc6/0x1e0 [ 3946.097117][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3946.097117][ T74] [ 3946.098825][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3946.098825][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3946.098825][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3946.098825][ T74] ipv6_find_idev+0x102/0x170 [ 3946.098825][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3946.098825][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3946.098825][ T74] netlink_rcv_skb+0x130/0x360 [ 3946.098825][ T74] netlink_unicast+0x449/0x710 [ 3946.098825][ T74] netlink_sendmsg+0x723/0xbe0 [ 3946.098825][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3946.098825][ T74] ___sys_sendmsg+0xee/0x170 [ 3946.098825][ T74] __sys_sendmsg+0xcd/0x170 [ 3946.098825][ T74] do_syscall_64+0xc6/0x1e0 [ 3946.098825][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3946.098825][ T74] [ 3946.100706][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3946.100956][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3946.100956][ T74] netdev_get_by_index+0x5e/0x80 [ 3946.100956][ T74] fib6_nh_init+0x3d8/0x1580 [ 3946.100956][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3946.100956][ T74] ip6_route_add+0x1c/0x140 [ 3946.100956][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3946.100956][ T74] inet6_addr_add+0x4f8/0xa40 [ 3946.100956][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3946.100956][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3946.100956][ T74] netlink_rcv_skb+0x130/0x360 [ 3946.100956][ T74] netlink_unicast+0x449/0x710 [ 3946.100956][ T74] netlink_sendmsg+0x723/0xbe0 [ 3946.100956][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3946.100956][ T74] ___sys_sendmsg+0xee/0x170 [ 3946.100956][ T74] __sys_sendmsg+0xcd/0x170 [ 3946.100956][ T74] do_syscall_64+0xc6/0x1e0 [ 3946.100956][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3946.100956][ T74] [ 3946.103281][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3946.103281][ T74] netdev_get_by_index+0x5e/0x80 [ 3946.103281][ T74] fib6_nh_init+0x3d8/0x1580 [ 3946.103281][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3946.103281][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3946.103281][ T74] ipv6_add_addr+0x411/0x2000 [ 3946.103281][ T74] inet6_addr_add+0x30e/0xa40 [ 3946.103281][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3946.103281][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3946.103281][ T74] netlink_rcv_skb+0x130/0x360 [ 3946.103281][ T74] netlink_unicast+0x449/0x710 [ 3946.103281][ T74] netlink_sendmsg+0x723/0xbe0 [ 3946.103281][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3946.103281][ T74] ___sys_sendmsg+0xee/0x170 [ 3946.103281][ T74] __sys_sendmsg+0xcd/0x170 [ 3946.103281][ T74] do_syscall_64+0xc6/0x1e0 [ 3946.103281][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3946.103281][ T74] [ 3946.105517][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3946.105517][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3946.105517][ T74] ipv6_find_idev+0x102/0x170 [ 3946.105517][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3946.105517][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3946.105517][ T74] netlink_rcv_skb+0x130/0x360 [ 3946.105517][ T74] netlink_unicast+0x449/0x710 [ 3946.105517][ T74] netlink_sendmsg+0x723/0xbe0 [ 3946.105517][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3946.105517][ T74] ___sys_sendmsg+0xee/0x170 [ 3946.105517][ T74] __sys_sendmsg+0xcd/0x170 [ 3946.105517][ T74] do_syscall_64+0xc6/0x1e0 [ 3946.105517][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3946.105517][ T74] [ 3946.107226][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3946.107226][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3946.107226][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3946.107226][ T74] ipv6_find_idev+0x102/0x170 [ 3946.107226][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3946.107226][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3946.107226][ T74] netlink_rcv_skb+0x130/0x360 [ 3946.107226][ T74] netlink_unicast+0x449/0x710 [ 3946.107226][ T74] netlink_sendmsg+0x723/0xbe0 [ 3946.107226][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3946.107226][ T74] ___sys_sendmsg+0xee/0x170 [ 3946.107226][ T74] __sys_sendmsg+0xcd/0x170 [ 3946.107226][ T74] do_syscall_64+0xc6/0x1e0 [ 3946.107226][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3946.107226][ T74] [ 3956.352023][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3956.352465][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3956.352465][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3956.352465][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3956.352465][ T74] fib6_nh_init+0xa22/0x1580 [ 3956.352465][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3956.352465][ T74] ip6_route_add+0x1c/0x140 [ 3956.352465][ T74] inet6_rtm_newroute+0x104/0x110 [ 3956.352465][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3956.352465][ T74] netlink_rcv_skb+0x130/0x360 [ 3956.352465][ T74] netlink_unicast+0x449/0x710 [ 3956.352465][ T74] netlink_sendmsg+0x723/0xbe0 [ 3956.352465][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3956.352465][ T74] ___sys_sendmsg+0xee/0x170 [ 3956.352465][ T74] __sys_sendmsg+0xcd/0x170 [ 3956.352465][ T74] do_syscall_64+0xc6/0x1e0 [ 3956.352465][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3956.352465][ T74] [ 3956.354387][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3956.354387][ T74] netdev_get_by_index+0x5e/0x80 [ 3956.354387][ T74] fib6_nh_init+0x3d8/0x1580 [ 3956.354387][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3956.354387][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3956.354387][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3956.354387][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3956.354387][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3956.354387][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3956.354387][ T74] addrconf_dad_begin+0x310/0x670 [ 3956.354387][ T74] addrconf_dad_work+0x10b/0xab0 [ 3956.354387][ T74] process_one_work+0x84d/0x18a0 [ 3956.354387][ T74] worker_thread+0x587/0xd30 [ 3956.354387][ T74] kthread+0x28a/0x350 [ 3956.354387][ T74] ret_from_fork+0x31/0x70 [ 3956.354387][ T74] ret_from_fork_asm+0x1a/0x30 [ 3956.354387][ T74] [ 3956.356314][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3956.356314][ T74] netdev_get_by_index+0x5e/0x80 [ 3956.356314][ T74] fib6_nh_init+0x3d8/0x1580 [ 3956.356314][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3956.356314][ T74] ip6_route_add+0x1c/0x140 [ 3956.356314][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3956.356314][ T74] inet6_addr_add+0x4f8/0xa40 [ 3956.356314][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3956.356314][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3956.356314][ T74] netlink_rcv_skb+0x130/0x360 [ 3956.356314][ T74] netlink_unicast+0x449/0x710 [ 3956.356314][ T74] netlink_sendmsg+0x723/0xbe0 [ 3956.356314][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3956.356314][ T74] ___sys_sendmsg+0xee/0x170 [ 3956.356314][ T74] __sys_sendmsg+0xcd/0x170 [ 3956.356314][ T74] do_syscall_64+0xc6/0x1e0 [ 3956.356314][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3956.356314][ T74] [ 3956.358340][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3956.358340][ T74] netdev_get_by_index+0x5e/0x80 [ 3956.358340][ T74] fib6_nh_init+0x3d8/0x1580 [ 3956.358340][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3956.358340][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3956.358340][ T74] ipv6_add_addr+0x411/0x2000 [ 3956.358340][ T74] inet6_addr_add+0x30e/0xa40 [ 3956.358340][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3956.358340][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3956.358340][ T74] netlink_rcv_skb+0x130/0x360 [ 3956.358340][ T74] netlink_unicast+0x449/0x710 [ 3956.358340][ T74] netlink_sendmsg+0x723/0xbe0 [ 3956.358340][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3956.358340][ T74] ___sys_sendmsg+0xee/0x170 [ 3956.358340][ T74] __sys_sendmsg+0xcd/0x170 [ 3956.358340][ T74] do_syscall_64+0xc6/0x1e0 [ 3956.358340][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3956.358340][ T74] [ 3956.360384][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3956.360384][ T74] netdev_get_by_index+0x5e/0x80 [ 3956.360384][ T74] fib6_nh_init+0x3d8/0x1580 [ 3956.360384][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3956.360384][ T74] ip6_route_add+0x1c/0x140 [ 3956.360384][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3956.360384][ T74] addrconf_add_dev+0xe2/0x170 [ 3956.360384][ T74] inet6_addr_add+0x12f/0xa40 [ 3956.360384][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3956.360384][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3956.360384][ T74] netlink_rcv_skb+0x130/0x360 [ 3956.360384][ T74] netlink_unicast+0x449/0x710 [ 3956.360384][ T74] netlink_sendmsg+0x723/0xbe0 [ 3956.360384][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3956.360384][ T74] ___sys_sendmsg+0xee/0x170 [ 3956.360384][ T74] __sys_sendmsg+0xcd/0x170 [ 3956.360384][ T74] do_syscall_64+0xc6/0x1e0 [ 3956.360384][ T74] [ 3956.362365][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3956.362365][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3956.362365][ T74] ipv6_find_idev+0x102/0x170 [ 3956.362365][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3956.362365][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3956.362365][ T74] netlink_rcv_skb+0x130/0x360 [ 3956.362365][ T74] netlink_unicast+0x449/0x710 [ 3956.362365][ T74] netlink_sendmsg+0x723/0xbe0 [ 3956.362365][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3956.362365][ T74] ___sys_sendmsg+0xee/0x170 [ 3956.362365][ T74] __sys_sendmsg+0xcd/0x170 [ 3956.362365][ T74] do_syscall_64+0xc6/0x1e0 [ 3956.362365][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3956.362365][ T74] [ 3956.363932][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3956.363932][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3956.363932][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3956.363932][ T74] ipv6_find_idev+0x102/0x170 [ 3956.363932][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3956.363932][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3956.363932][ T74] netlink_rcv_skb+0x130/0x360 [ 3956.363932][ T74] netlink_unicast+0x449/0x710 [ 3956.363932][ T74] netlink_sendmsg+0x723/0xbe0 [ 3956.363932][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3956.363932][ T74] ___sys_sendmsg+0xee/0x170 [ 3956.363932][ T74] __sys_sendmsg+0xcd/0x170 [ 3956.363932][ T74] do_syscall_64+0xc6/0x1e0 [ 3956.363932][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3956.363932][ T74] [ 3956.365688][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3956.365983][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3956.365983][ T74] dst_init+0x84/0x4a0 [ 3956.365983][ T74] dst_alloc+0x97/0x150 [ 3956.365983][ T74] ip6_dst_alloc+0x23/0x90 [ 3956.365983][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3956.365983][ T74] ip6_pol_route+0x56f/0x840 [ 3956.365983][ T74] fib6_rule_lookup+0x456/0x630 [ 3956.365983][ T74] ip6_route_input+0x59c/0xa50 [ 3956.365983][ T74] ipv6_rcv+0x397/0x810 [ 3956.365983][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3956.365983][ T74] process_backlog+0x101/0x620 [ 3956.365983][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3956.365983][ T74] net_rx_action+0x495/0xbe0 [ 3956.365983][ T74] __do_softirq+0x1b5/0x7f6 [ 3956.365983][ T74] [ 3956.367661][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3956.367661][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3956.367661][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3956.367661][ T74] fib6_nh_init+0xa22/0x1580 [ 3956.367661][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3956.367661][ T74] ip6_route_add+0x1c/0x140 [ 3956.367661][ T74] inet6_rtm_newroute+0x104/0x110 [ 3956.367661][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3956.367661][ T74] netlink_rcv_skb+0x130/0x360 [ 3956.367661][ T74] netlink_unicast+0x449/0x710 [ 3956.367661][ T74] netlink_sendmsg+0x723/0xbe0 [ 3956.367661][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3956.367661][ T74] ___sys_sendmsg+0xee/0x170 [ 3956.367661][ T74] __sys_sendmsg+0xcd/0x170 [ 3956.367661][ T74] do_syscall_64+0xc6/0x1e0 [ 3956.367661][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3956.367661][ T74] [ 3956.369594][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3956.369594][ T74] netdev_get_by_index+0x5e/0x80 [ 3956.369594][ T74] fib6_nh_init+0x3d8/0x1580 [ 3956.369594][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3956.369594][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3956.369594][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3956.369594][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3956.369594][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3956.369594][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3956.369594][ T74] addrconf_dad_begin+0x310/0x670 [ 3956.369594][ T74] addrconf_dad_work+0x10b/0xab0 [ 3956.369594][ T74] process_one_work+0x84d/0x18a0 [ 3956.369594][ T74] worker_thread+0x587/0xd30 [ 3956.369594][ T74] kthread+0x28a/0x350 [ 3956.369594][ T74] ret_from_fork+0x31/0x70 [ 3956.369594][ T74] ret_from_fork_asm+0x1a/0x30 [ 3956.369594][ T74] [ 3956.371520][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3956.371520][ T74] netdev_get_by_index+0x5e/0x80 [ 3956.371520][ T74] fib6_nh_init+0x3d8/0x1580 [ 3956.371520][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3956.371520][ T74] ip6_route_add+0x1c/0x140 [ 3956.371520][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3956.371520][ T74] inet6_addr_add+0x4f8/0xa40 [ 3956.371520][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3956.371520][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3956.371520][ T74] netlink_rcv_skb+0x130/0x360 [ 3956.371520][ T74] netlink_unicast+0x449/0x710 [ 3956.371520][ T74] netlink_sendmsg+0x723/0xbe0 [ 3956.371520][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3956.371520][ T74] ___sys_sendmsg+0xee/0x170 [ 3956.371520][ T74] __sys_sendmsg+0xcd/0x170 [ 3956.371520][ T74] do_syscall_64+0xc6/0x1e0 [ 3956.371520][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3956.371520][ T74] [ 3956.373564][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3956.373564][ T74] netdev_get_by_index+0x5e/0x80 [ 3956.373564][ T74] fib6_nh_init+0x3d8/0x1580 [ 3956.373564][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3956.373564][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3956.373564][ T74] ipv6_add_addr+0x411/0x2000 [ 3956.373564][ T74] inet6_addr_add+0x30e/0xa40 [ 3956.373564][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3956.373564][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3956.373564][ T74] netlink_rcv_skb+0x130/0x360 [ 3956.373564][ T74] netlink_unicast+0x449/0x710 [ 3956.373564][ T74] netlink_sendmsg+0x723/0xbe0 [ 3956.373564][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3956.373564][ T74] ___sys_sendmsg+0xee/0x170 [ 3956.373564][ T74] __sys_sendmsg+0xcd/0x170 [ 3956.373564][ T74] do_syscall_64+0xc6/0x1e0 [ 3956.373564][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3956.373564][ T74] [ 3956.375622][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3956.375622][ T74] netdev_get_by_index+0x5e/0x80 [ 3956.375622][ T74] fib6_nh_init+0x3d8/0x1580 [ 3956.375622][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3956.375622][ T74] ip6_route_add+0x1c/0x140 [ 3956.375622][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3956.375622][ T74] addrconf_add_dev+0xe2/0x170 [ 3956.375622][ T74] inet6_addr_add+0x12f/0xa40 [ 3956.375622][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3956.375622][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3956.375622][ T74] netlink_rcv_skb+0x130/0x360 [ 3956.375622][ T74] netlink_unicast+0x449/0x710 [ 3956.375622][ T74] netlink_sendmsg+0x723/0xbe0 [ 3956.375622][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3956.375622][ T74] ___sys_sendmsg+0xee/0x170 [ 3956.375622][ T74] __sys_sendmsg+0xcd/0x170 [ 3956.375622][ T74] do_syscall_64+0xc6/0x1e0 [ 3956.375622][ T74] [ 3956.377646][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3956.377646][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3956.377646][ T74] ipv6_find_idev+0x102/0x170 [ 3956.377646][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3956.377646][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3956.377646][ T74] netlink_rcv_skb+0x130/0x360 [ 3956.377646][ T74] netlink_unicast+0x449/0x710 [ 3956.377646][ T74] netlink_sendmsg+0x723/0xbe0 [ 3956.377646][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3956.377646][ T74] ___sys_sendmsg+0xee/0x170 [ 3956.377646][ T74] __sys_sendmsg+0xcd/0x170 [ 3956.377646][ T74] do_syscall_64+0xc6/0x1e0 [ 3956.377646][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3956.377646][ T74] [ 3956.379419][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3956.379419][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3956.379419][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3956.379419][ T74] ipv6_find_idev+0x102/0x170 [ 3956.379419][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3956.379419][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3956.379419][ T74] netlink_rcv_skb+0x130/0x360 [ 3956.379419][ T74] netlink_unicast+0x449/0x710 [ 3956.379419][ T74] netlink_sendmsg+0x723/0xbe0 [ 3956.379419][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3956.379419][ T74] ___sys_sendmsg+0xee/0x170 [ 3956.379419][ T74] __sys_sendmsg+0xcd/0x170 [ 3956.379419][ T74] do_syscall_64+0xc6/0x1e0 [ 3956.379419][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3956.379419][ T74] [ 3956.381357][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3956.381660][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3956.381660][ T74] netdev_get_by_index+0x5e/0x80 [ 3956.381660][ T74] fib6_nh_init+0x3d8/0x1580 [ 3956.381660][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3956.381660][ T74] ip6_route_add+0x1c/0x140 [ 3956.381660][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3956.381660][ T74] inet6_addr_add+0x4f8/0xa40 [ 3956.381660][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3956.381660][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3956.381660][ T74] netlink_rcv_skb+0x130/0x360 [ 3956.381660][ T74] netlink_unicast+0x449/0x710 [ 3956.381660][ T74] netlink_sendmsg+0x723/0xbe0 [ 3956.381660][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3956.381660][ T74] ___sys_sendmsg+0xee/0x170 [ 3956.381660][ T74] __sys_sendmsg+0xcd/0x170 [ 3956.381660][ T74] do_syscall_64+0xc6/0x1e0 [ 3956.381660][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3956.381660][ T74] [ 3956.383887][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3956.383887][ T74] netdev_get_by_index+0x5e/0x80 [ 3956.383887][ T74] fib6_nh_init+0x3d8/0x1580 [ 3956.383887][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3956.383887][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3956.383887][ T74] ipv6_add_addr+0x411/0x2000 [ 3956.383887][ T74] inet6_addr_add+0x30e/0xa40 [ 3956.383887][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3956.383887][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3956.383887][ T74] netlink_rcv_skb+0x130/0x360 [ 3956.383887][ T74] netlink_unicast+0x449/0x710 [ 3956.383887][ T74] netlink_sendmsg+0x723/0xbe0 [ 3956.383887][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3956.383887][ T74] ___sys_sendmsg+0xee/0x170 [ 3956.383887][ T74] __sys_sendmsg+0xcd/0x170 [ 3956.383887][ T74] do_syscall_64+0xc6/0x1e0 [ 3956.383887][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3956.383887][ T74] [ 3956.386141][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3956.386141][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3956.386141][ T74] ipv6_find_idev+0x102/0x170 [ 3956.386141][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3956.386141][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3956.386141][ T74] netlink_rcv_skb+0x130/0x360 [ 3956.386141][ T74] netlink_unicast+0x449/0x710 [ 3956.386141][ T74] netlink_sendmsg+0x723/0xbe0 [ 3956.386141][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3956.386141][ T74] ___sys_sendmsg+0xee/0x170 [ 3956.386141][ T74] __sys_sendmsg+0xcd/0x170 [ 3956.386141][ T74] do_syscall_64+0xc6/0x1e0 [ 3956.386141][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3956.386141][ T74] [ 3956.387939][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3956.387939][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3956.387939][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3956.387939][ T74] ipv6_find_idev+0x102/0x170 [ 3956.387939][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3956.387939][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3956.387939][ T74] netlink_rcv_skb+0x130/0x360 [ 3956.387939][ T74] netlink_unicast+0x449/0x710 [ 3956.387939][ T74] netlink_sendmsg+0x723/0xbe0 [ 3956.387939][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3956.387939][ T74] ___sys_sendmsg+0xee/0x170 [ 3956.387939][ T74] __sys_sendmsg+0xcd/0x170 [ 3956.387939][ T74] do_syscall_64+0xc6/0x1e0 [ 3956.387939][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3956.387939][ T74] [ 3966.632086][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3966.632479][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3966.632479][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3966.632479][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3966.632479][ T74] fib6_nh_init+0xa22/0x1580 [ 3966.632479][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3966.632479][ T74] ip6_route_add+0x1c/0x140 [ 3966.632479][ T74] inet6_rtm_newroute+0x104/0x110 [ 3966.632479][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3966.632479][ T74] netlink_rcv_skb+0x130/0x360 [ 3966.632479][ T74] netlink_unicast+0x449/0x710 [ 3966.632479][ T74] netlink_sendmsg+0x723/0xbe0 [ 3966.632479][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3966.632479][ T74] ___sys_sendmsg+0xee/0x170 [ 3966.632479][ T74] __sys_sendmsg+0xcd/0x170 [ 3966.632479][ T74] do_syscall_64+0xc6/0x1e0 [ 3966.632479][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3966.632479][ T74] [ 3966.634448][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3966.634448][ T74] netdev_get_by_index+0x5e/0x80 [ 3966.634448][ T74] fib6_nh_init+0x3d8/0x1580 [ 3966.634448][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3966.634448][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3966.634448][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3966.634448][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3966.634448][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3966.634448][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3966.634448][ T74] addrconf_dad_begin+0x310/0x670 [ 3966.634448][ T74] addrconf_dad_work+0x10b/0xab0 [ 3966.634448][ T74] process_one_work+0x84d/0x18a0 [ 3966.634448][ T74] worker_thread+0x587/0xd30 [ 3966.634448][ T74] kthread+0x28a/0x350 [ 3966.634448][ T74] ret_from_fork+0x31/0x70 [ 3966.634448][ T74] ret_from_fork_asm+0x1a/0x30 [ 3966.634448][ T74] [ 3966.636381][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3966.636381][ T74] netdev_get_by_index+0x5e/0x80 [ 3966.636381][ T74] fib6_nh_init+0x3d8/0x1580 [ 3966.636381][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3966.636381][ T74] ip6_route_add+0x1c/0x140 [ 3966.636381][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3966.636381][ T74] inet6_addr_add+0x4f8/0xa40 [ 3966.636381][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3966.636381][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3966.636381][ T74] netlink_rcv_skb+0x130/0x360 [ 3966.636381][ T74] netlink_unicast+0x449/0x710 [ 3966.636381][ T74] netlink_sendmsg+0x723/0xbe0 [ 3966.636381][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3966.636381][ T74] ___sys_sendmsg+0xee/0x170 [ 3966.636381][ T74] __sys_sendmsg+0xcd/0x170 [ 3966.636381][ T74] do_syscall_64+0xc6/0x1e0 [ 3966.636381][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3966.636381][ T74] [ 3966.638421][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3966.638421][ T74] netdev_get_by_index+0x5e/0x80 [ 3966.638421][ T74] fib6_nh_init+0x3d8/0x1580 [ 3966.638421][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3966.638421][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3966.638421][ T74] ipv6_add_addr+0x411/0x2000 [ 3966.638421][ T74] inet6_addr_add+0x30e/0xa40 [ 3966.638421][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3966.638421][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3966.638421][ T74] netlink_rcv_skb+0x130/0x360 [ 3966.638421][ T74] netlink_unicast+0x449/0x710 [ 3966.638421][ T74] netlink_sendmsg+0x723/0xbe0 [ 3966.638421][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3966.638421][ T74] ___sys_sendmsg+0xee/0x170 [ 3966.638421][ T74] __sys_sendmsg+0xcd/0x170 [ 3966.638421][ T74] do_syscall_64+0xc6/0x1e0 [ 3966.638421][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3966.638421][ T74] [ 3966.640491][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3966.640491][ T74] netdev_get_by_index+0x5e/0x80 [ 3966.640491][ T74] fib6_nh_init+0x3d8/0x1580 [ 3966.640491][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3966.640491][ T74] ip6_route_add+0x1c/0x140 [ 3966.640491][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3966.640491][ T74] addrconf_add_dev+0xe2/0x170 [ 3966.640491][ T74] inet6_addr_add+0x12f/0xa40 [ 3966.640491][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3966.640491][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3966.640491][ T74] netlink_rcv_skb+0x130/0x360 [ 3966.640491][ T74] netlink_unicast+0x449/0x710 [ 3966.640491][ T74] netlink_sendmsg+0x723/0xbe0 [ 3966.640491][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3966.640491][ T74] ___sys_sendmsg+0xee/0x170 [ 3966.640491][ T74] __sys_sendmsg+0xcd/0x170 [ 3966.640491][ T74] do_syscall_64+0xc6/0x1e0 [ 3966.640491][ T74] [ 3966.642514][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3966.642514][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3966.642514][ T74] ipv6_find_idev+0x102/0x170 [ 3966.642514][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3966.642514][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3966.642514][ T74] netlink_rcv_skb+0x130/0x360 [ 3966.642514][ T74] netlink_unicast+0x449/0x710 [ 3966.642514][ T74] netlink_sendmsg+0x723/0xbe0 [ 3966.642514][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3966.642514][ T74] ___sys_sendmsg+0xee/0x170 [ 3966.642514][ T74] __sys_sendmsg+0xcd/0x170 [ 3966.642514][ T74] do_syscall_64+0xc6/0x1e0 [ 3966.642514][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3966.642514][ T74] [ 3966.644084][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3966.644084][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3966.644084][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3966.644084][ T74] ipv6_find_idev+0x102/0x170 [ 3966.644084][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3966.644084][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3966.644084][ T74] netlink_rcv_skb+0x130/0x360 [ 3966.644084][ T74] netlink_unicast+0x449/0x710 [ 3966.644084][ T74] netlink_sendmsg+0x723/0xbe0 [ 3966.644084][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3966.644084][ T74] ___sys_sendmsg+0xee/0x170 [ 3966.644084][ T74] __sys_sendmsg+0xcd/0x170 [ 3966.644084][ T74] do_syscall_64+0xc6/0x1e0 [ 3966.644084][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3966.644084][ T74] [ 3966.645836][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3966.646137][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3966.646137][ T74] dst_init+0x84/0x4a0 [ 3966.646137][ T74] dst_alloc+0x97/0x150 [ 3966.646137][ T74] ip6_dst_alloc+0x23/0x90 [ 3966.646137][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3966.646137][ T74] ip6_pol_route+0x56f/0x840 [ 3966.646137][ T74] fib6_rule_lookup+0x456/0x630 [ 3966.646137][ T74] ip6_route_input+0x59c/0xa50 [ 3966.646137][ T74] ipv6_rcv+0x397/0x810 [ 3966.646137][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3966.646137][ T74] process_backlog+0x101/0x620 [ 3966.646137][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3966.646137][ T74] net_rx_action+0x495/0xbe0 [ 3966.646137][ T74] __do_softirq+0x1b5/0x7f6 [ 3966.646137][ T74] [ 3966.647781][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3966.647781][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3966.647781][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3966.647781][ T74] fib6_nh_init+0xa22/0x1580 [ 3966.647781][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3966.647781][ T74] ip6_route_add+0x1c/0x140 [ 3966.647781][ T74] inet6_rtm_newroute+0x104/0x110 [ 3966.647781][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3966.647781][ T74] netlink_rcv_skb+0x130/0x360 [ 3966.647781][ T74] netlink_unicast+0x449/0x710 [ 3966.647781][ T74] netlink_sendmsg+0x723/0xbe0 [ 3966.647781][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3966.647781][ T74] ___sys_sendmsg+0xee/0x170 [ 3966.647781][ T74] __sys_sendmsg+0xcd/0x170 [ 3966.647781][ T74] do_syscall_64+0xc6/0x1e0 [ 3966.647781][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3966.647781][ T74] [ 3966.649678][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3966.649678][ T74] netdev_get_by_index+0x5e/0x80 [ 3966.649678][ T74] fib6_nh_init+0x3d8/0x1580 [ 3966.649678][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3966.649678][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3966.649678][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3966.649678][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3966.649678][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3966.649678][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3966.649678][ T74] addrconf_dad_begin+0x310/0x670 [ 3966.649678][ T74] addrconf_dad_work+0x10b/0xab0 [ 3966.649678][ T74] process_one_work+0x84d/0x18a0 [ 3966.649678][ T74] worker_thread+0x587/0xd30 [ 3966.649678][ T74] kthread+0x28a/0x350 [ 3966.649678][ T74] ret_from_fork+0x31/0x70 [ 3966.649678][ T74] ret_from_fork_asm+0x1a/0x30 [ 3966.649678][ T74] [ 3966.651704][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3966.651704][ T74] netdev_get_by_index+0x5e/0x80 [ 3966.651704][ T74] fib6_nh_init+0x3d8/0x1580 [ 3966.651704][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3966.651704][ T74] ip6_route_add+0x1c/0x140 [ 3966.651704][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3966.651704][ T74] inet6_addr_add+0x4f8/0xa40 [ 3966.651704][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3966.651704][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3966.651704][ T74] netlink_rcv_skb+0x130/0x360 [ 3966.651704][ T74] netlink_unicast+0x449/0x710 [ 3966.651704][ T74] netlink_sendmsg+0x723/0xbe0 [ 3966.651704][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3966.651704][ T74] ___sys_sendmsg+0xee/0x170 [ 3966.651704][ T74] __sys_sendmsg+0xcd/0x170 [ 3966.651704][ T74] do_syscall_64+0xc6/0x1e0 [ 3966.651704][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3966.651704][ T74] [ 3966.653713][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3966.653713][ T74] netdev_get_by_index+0x5e/0x80 [ 3966.653713][ T74] fib6_nh_init+0x3d8/0x1580 [ 3966.653713][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3966.653713][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3966.653713][ T74] ipv6_add_addr+0x411/0x2000 [ 3966.653713][ T74] inet6_addr_add+0x30e/0xa40 [ 3966.653713][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3966.653713][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3966.653713][ T74] netlink_rcv_skb+0x130/0x360 [ 3966.653713][ T74] netlink_unicast+0x449/0x710 [ 3966.653713][ T74] netlink_sendmsg+0x723/0xbe0 [ 3966.653713][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3966.653713][ T74] ___sys_sendmsg+0xee/0x170 [ 3966.653713][ T74] __sys_sendmsg+0xcd/0x170 [ 3966.653713][ T74] do_syscall_64+0xc6/0x1e0 [ 3966.653713][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3966.653713][ T74] [ 3966.655716][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3966.655716][ T74] netdev_get_by_index+0x5e/0x80 [ 3966.655716][ T74] fib6_nh_init+0x3d8/0x1580 [ 3966.655716][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3966.655716][ T74] ip6_route_add+0x1c/0x140 [ 3966.655716][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3966.655716][ T74] addrconf_add_dev+0xe2/0x170 [ 3966.655716][ T74] inet6_addr_add+0x12f/0xa40 [ 3966.655716][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3966.655716][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3966.655716][ T74] netlink_rcv_skb+0x130/0x360 [ 3966.655716][ T74] netlink_unicast+0x449/0x710 [ 3966.655716][ T74] netlink_sendmsg+0x723/0xbe0 [ 3966.655716][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3966.655716][ T74] ___sys_sendmsg+0xee/0x170 [ 3966.655716][ T74] __sys_sendmsg+0xcd/0x170 [ 3966.655716][ T74] do_syscall_64+0xc6/0x1e0 [ 3966.655716][ T74] [ 3966.657703][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3966.657703][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3966.657703][ T74] ipv6_find_idev+0x102/0x170 [ 3966.657703][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3966.657703][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3966.657703][ T74] netlink_rcv_skb+0x130/0x360 [ 3966.657703][ T74] netlink_unicast+0x449/0x710 [ 3966.657703][ T74] netlink_sendmsg+0x723/0xbe0 [ 3966.657703][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3966.657703][ T74] ___sys_sendmsg+0xee/0x170 [ 3966.657703][ T74] __sys_sendmsg+0xcd/0x170 [ 3966.657703][ T74] do_syscall_64+0xc6/0x1e0 [ 3966.657703][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3966.657703][ T74] [ 3966.659371][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3966.659371][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3966.659371][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3966.659371][ T74] ipv6_find_idev+0x102/0x170 [ 3966.659371][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3966.659371][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3966.659371][ T74] netlink_rcv_skb+0x130/0x360 [ 3966.659371][ T74] netlink_unicast+0x449/0x710 [ 3966.659371][ T74] netlink_sendmsg+0x723/0xbe0 [ 3966.659371][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3966.659371][ T74] ___sys_sendmsg+0xee/0x170 [ 3966.659371][ T74] __sys_sendmsg+0xcd/0x170 [ 3966.659371][ T74] do_syscall_64+0xc6/0x1e0 [ 3966.659371][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3966.659371][ T74] [ 3966.661320][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3966.661622][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3966.661622][ T74] netdev_get_by_index+0x5e/0x80 [ 3966.661622][ T74] fib6_nh_init+0x3d8/0x1580 [ 3966.661622][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3966.661622][ T74] ip6_route_add+0x1c/0x140 [ 3966.661622][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3966.661622][ T74] inet6_addr_add+0x4f8/0xa40 [ 3966.661622][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3966.661622][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3966.661622][ T74] netlink_rcv_skb+0x130/0x360 [ 3966.661622][ T74] netlink_unicast+0x449/0x710 [ 3966.661622][ T74] netlink_sendmsg+0x723/0xbe0 [ 3966.661622][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3966.661622][ T74] ___sys_sendmsg+0xee/0x170 [ 3966.661622][ T74] __sys_sendmsg+0xcd/0x170 [ 3966.661622][ T74] do_syscall_64+0xc6/0x1e0 [ 3966.661622][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3966.661622][ T74] [ 3966.663823][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3966.663823][ T74] netdev_get_by_index+0x5e/0x80 [ 3966.663823][ T74] fib6_nh_init+0x3d8/0x1580 [ 3966.663823][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3966.663823][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3966.663823][ T74] ipv6_add_addr+0x411/0x2000 [ 3966.663823][ T74] inet6_addr_add+0x30e/0xa40 [ 3966.663823][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3966.663823][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3966.663823][ T74] netlink_rcv_skb+0x130/0x360 [ 3966.663823][ T74] netlink_unicast+0x449/0x710 [ 3966.663823][ T74] netlink_sendmsg+0x723/0xbe0 [ 3966.663823][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3966.663823][ T74] ___sys_sendmsg+0xee/0x170 [ 3966.663823][ T74] __sys_sendmsg+0xcd/0x170 [ 3966.663823][ T74] do_syscall_64+0xc6/0x1e0 [ 3966.663823][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3966.663823][ T74] [ 3966.666075][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3966.666075][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3966.666075][ T74] ipv6_find_idev+0x102/0x170 [ 3966.666075][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3966.666075][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3966.666075][ T74] netlink_rcv_skb+0x130/0x360 [ 3966.666075][ T74] netlink_unicast+0x449/0x710 [ 3966.666075][ T74] netlink_sendmsg+0x723/0xbe0 [ 3966.666075][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3966.666075][ T74] ___sys_sendmsg+0xee/0x170 [ 3966.666075][ T74] __sys_sendmsg+0xcd/0x170 [ 3966.666075][ T74] do_syscall_64+0xc6/0x1e0 [ 3966.666075][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3966.666075][ T74] [ 3966.667804][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3966.667804][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3966.667804][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3966.667804][ T74] ipv6_find_idev+0x102/0x170 [ 3966.667804][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3966.667804][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3966.667804][ T74] netlink_rcv_skb+0x130/0x360 [ 3966.667804][ T74] netlink_unicast+0x449/0x710 [ 3966.667804][ T74] netlink_sendmsg+0x723/0xbe0 [ 3966.667804][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3966.667804][ T74] ___sys_sendmsg+0xee/0x170 [ 3966.667804][ T74] __sys_sendmsg+0xcd/0x170 [ 3966.667804][ T74] do_syscall_64+0xc6/0x1e0 [ 3966.667804][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3966.667804][ T74] [ 3976.911907][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3976.912332][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3976.912332][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3976.912332][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3976.912332][ T74] fib6_nh_init+0xa22/0x1580 [ 3976.912332][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3976.912332][ T74] ip6_route_add+0x1c/0x140 [ 3976.912332][ T74] inet6_rtm_newroute+0x104/0x110 [ 3976.912332][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3976.912332][ T74] netlink_rcv_skb+0x130/0x360 [ 3976.912332][ T74] netlink_unicast+0x449/0x710 [ 3976.912332][ T74] netlink_sendmsg+0x723/0xbe0 [ 3976.912332][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3976.912332][ T74] ___sys_sendmsg+0xee/0x170 [ 3976.912332][ T74] __sys_sendmsg+0xcd/0x170 [ 3976.912332][ T74] do_syscall_64+0xc6/0x1e0 [ 3976.912332][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3976.912332][ T74] [ 3976.914252][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3976.914252][ T74] netdev_get_by_index+0x5e/0x80 [ 3976.914252][ T74] fib6_nh_init+0x3d8/0x1580 [ 3976.914252][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3976.914252][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3976.914252][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3976.914252][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3976.914252][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3976.914252][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3976.914252][ T74] addrconf_dad_begin+0x310/0x670 [ 3976.914252][ T74] addrconf_dad_work+0x10b/0xab0 [ 3976.914252][ T74] process_one_work+0x84d/0x18a0 [ 3976.914252][ T74] worker_thread+0x587/0xd30 [ 3976.914252][ T74] kthread+0x28a/0x350 [ 3976.914252][ T74] ret_from_fork+0x31/0x70 [ 3976.914252][ T74] ret_from_fork_asm+0x1a/0x30 [ 3976.914252][ T74] [ 3976.916154][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3976.916154][ T74] netdev_get_by_index+0x5e/0x80 [ 3976.916154][ T74] fib6_nh_init+0x3d8/0x1580 [ 3976.916154][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3976.916154][ T74] ip6_route_add+0x1c/0x140 [ 3976.916154][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3976.916154][ T74] inet6_addr_add+0x4f8/0xa40 [ 3976.916154][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3976.916154][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3976.916154][ T74] netlink_rcv_skb+0x130/0x360 [ 3976.916154][ T74] netlink_unicast+0x449/0x710 [ 3976.916154][ T74] netlink_sendmsg+0x723/0xbe0 [ 3976.916154][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3976.916154][ T74] ___sys_sendmsg+0xee/0x170 [ 3976.916154][ T74] __sys_sendmsg+0xcd/0x170 [ 3976.916154][ T74] do_syscall_64+0xc6/0x1e0 [ 3976.916154][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3976.916154][ T74] [ 3976.918152][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3976.918152][ T74] netdev_get_by_index+0x5e/0x80 [ 3976.918152][ T74] fib6_nh_init+0x3d8/0x1580 [ 3976.918152][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3976.918152][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3976.918152][ T74] ipv6_add_addr+0x411/0x2000 [ 3976.918152][ T74] inet6_addr_add+0x30e/0xa40 [ 3976.918152][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3976.918152][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3976.918152][ T74] netlink_rcv_skb+0x130/0x360 [ 3976.918152][ T74] netlink_unicast+0x449/0x710 [ 3976.918152][ T74] netlink_sendmsg+0x723/0xbe0 [ 3976.918152][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3976.918152][ T74] ___sys_sendmsg+0xee/0x170 [ 3976.918152][ T74] __sys_sendmsg+0xcd/0x170 [ 3976.918152][ T74] do_syscall_64+0xc6/0x1e0 [ 3976.918152][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3976.918152][ T74] [ 3976.920143][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3976.920143][ T74] netdev_get_by_index+0x5e/0x80 [ 3976.920143][ T74] fib6_nh_init+0x3d8/0x1580 [ 3976.920143][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3976.920143][ T74] ip6_route_add+0x1c/0x140 [ 3976.920143][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3976.920143][ T74] addrconf_add_dev+0xe2/0x170 [ 3976.920143][ T74] inet6_addr_add+0x12f/0xa40 [ 3976.920143][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3976.920143][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3976.920143][ T74] netlink_rcv_skb+0x130/0x360 [ 3976.920143][ T74] netlink_unicast+0x449/0x710 [ 3976.920143][ T74] netlink_sendmsg+0x723/0xbe0 [ 3976.920143][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3976.920143][ T74] ___sys_sendmsg+0xee/0x170 [ 3976.920143][ T74] __sys_sendmsg+0xcd/0x170 [ 3976.920143][ T74] do_syscall_64+0xc6/0x1e0 [ 3976.920143][ T74] [ 3976.922097][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3976.922097][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3976.922097][ T74] ipv6_find_idev+0x102/0x170 [ 3976.922097][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3976.922097][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3976.922097][ T74] netlink_rcv_skb+0x130/0x360 [ 3976.922097][ T74] netlink_unicast+0x449/0x710 [ 3976.922097][ T74] netlink_sendmsg+0x723/0xbe0 [ 3976.922097][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3976.922097][ T74] ___sys_sendmsg+0xee/0x170 [ 3976.922097][ T74] __sys_sendmsg+0xcd/0x170 [ 3976.922097][ T74] do_syscall_64+0xc6/0x1e0 [ 3976.922097][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3976.922097][ T74] [ 3976.923658][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3976.923658][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3976.923658][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3976.923658][ T74] ipv6_find_idev+0x102/0x170 [ 3976.923658][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3976.923658][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3976.923658][ T74] netlink_rcv_skb+0x130/0x360 [ 3976.923658][ T74] netlink_unicast+0x449/0x710 [ 3976.923658][ T74] netlink_sendmsg+0x723/0xbe0 [ 3976.923658][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3976.923658][ T74] ___sys_sendmsg+0xee/0x170 [ 3976.923658][ T74] __sys_sendmsg+0xcd/0x170 [ 3976.923658][ T74] do_syscall_64+0xc6/0x1e0 [ 3976.923658][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3976.923658][ T74] [ 3976.925464][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3976.925743][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3976.925743][ T74] dst_init+0x84/0x4a0 [ 3976.925743][ T74] dst_alloc+0x97/0x150 [ 3976.925743][ T74] ip6_dst_alloc+0x23/0x90 [ 3976.925743][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3976.925743][ T74] ip6_pol_route+0x56f/0x840 [ 3976.925743][ T74] fib6_rule_lookup+0x456/0x630 [ 3976.925743][ T74] ip6_route_input+0x59c/0xa50 [ 3976.925743][ T74] ipv6_rcv+0x397/0x810 [ 3976.925743][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3976.925743][ T74] process_backlog+0x101/0x620 [ 3976.925743][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3976.925743][ T74] net_rx_action+0x495/0xbe0 [ 3976.925743][ T74] __do_softirq+0x1b5/0x7f6 [ 3976.925743][ T74] [ 3976.927391][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3976.927391][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3976.927391][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3976.927391][ T74] fib6_nh_init+0xa22/0x1580 [ 3976.927391][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3976.927391][ T74] ip6_route_add+0x1c/0x140 [ 3976.927391][ T74] inet6_rtm_newroute+0x104/0x110 [ 3976.927391][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3976.927391][ T74] netlink_rcv_skb+0x130/0x360 [ 3976.927391][ T74] netlink_unicast+0x449/0x710 [ 3976.927391][ T74] netlink_sendmsg+0x723/0xbe0 [ 3976.927391][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3976.927391][ T74] ___sys_sendmsg+0xee/0x170 [ 3976.927391][ T74] __sys_sendmsg+0xcd/0x170 [ 3976.927391][ T74] do_syscall_64+0xc6/0x1e0 [ 3976.927391][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3976.927391][ T74] [ 3976.929273][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3976.929273][ T74] netdev_get_by_index+0x5e/0x80 [ 3976.929273][ T74] fib6_nh_init+0x3d8/0x1580 [ 3976.929273][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3976.929273][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3976.929273][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3976.929273][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3976.929273][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3976.929273][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3976.929273][ T74] addrconf_dad_begin+0x310/0x670 [ 3976.929273][ T74] addrconf_dad_work+0x10b/0xab0 [ 3976.929273][ T74] process_one_work+0x84d/0x18a0 [ 3976.929273][ T74] worker_thread+0x587/0xd30 [ 3976.929273][ T74] kthread+0x28a/0x350 [ 3976.929273][ T74] ret_from_fork+0x31/0x70 [ 3976.929273][ T74] ret_from_fork_asm+0x1a/0x30 [ 3976.929273][ T74] [ 3976.931183][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3976.931183][ T74] netdev_get_by_index+0x5e/0x80 [ 3976.931183][ T74] fib6_nh_init+0x3d8/0x1580 [ 3976.931183][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3976.931183][ T74] ip6_route_add+0x1c/0x140 [ 3976.931183][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3976.931183][ T74] inet6_addr_add+0x4f8/0xa40 [ 3976.931183][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3976.931183][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3976.931183][ T74] netlink_rcv_skb+0x130/0x360 [ 3976.931183][ T74] netlink_unicast+0x449/0x710 [ 3976.931183][ T74] netlink_sendmsg+0x723/0xbe0 [ 3976.931183][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3976.931183][ T74] ___sys_sendmsg+0xee/0x170 [ 3976.931183][ T74] __sys_sendmsg+0xcd/0x170 [ 3976.931183][ T74] do_syscall_64+0xc6/0x1e0 [ 3976.931183][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3976.931183][ T74] [ 3976.933183][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3976.933183][ T74] netdev_get_by_index+0x5e/0x80 [ 3976.933183][ T74] fib6_nh_init+0x3d8/0x1580 [ 3976.933183][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3976.933183][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3976.933183][ T74] ipv6_add_addr+0x411/0x2000 [ 3976.933183][ T74] inet6_addr_add+0x30e/0xa40 [ 3976.933183][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3976.933183][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3976.933183][ T74] netlink_rcv_skb+0x130/0x360 [ 3976.933183][ T74] netlink_unicast+0x449/0x710 [ 3976.933183][ T74] netlink_sendmsg+0x723/0xbe0 [ 3976.933183][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3976.933183][ T74] ___sys_sendmsg+0xee/0x170 [ 3976.933183][ T74] __sys_sendmsg+0xcd/0x170 [ 3976.933183][ T74] do_syscall_64+0xc6/0x1e0 [ 3976.933183][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3976.933183][ T74] [ 3976.935176][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3976.935176][ T74] netdev_get_by_index+0x5e/0x80 [ 3976.935176][ T74] fib6_nh_init+0x3d8/0x1580 [ 3976.935176][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3976.935176][ T74] ip6_route_add+0x1c/0x140 [ 3976.935176][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3976.935176][ T74] addrconf_add_dev+0xe2/0x170 [ 3976.935176][ T74] inet6_addr_add+0x12f/0xa40 [ 3976.935176][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3976.935176][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3976.935176][ T74] netlink_rcv_skb+0x130/0x360 [ 3976.935176][ T74] netlink_unicast+0x449/0x710 [ 3976.935176][ T74] netlink_sendmsg+0x723/0xbe0 [ 3976.935176][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3976.935176][ T74] ___sys_sendmsg+0xee/0x170 [ 3976.935176][ T74] __sys_sendmsg+0xcd/0x170 [ 3976.935176][ T74] do_syscall_64+0xc6/0x1e0 [ 3976.935176][ T74] [ 3976.937234][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3976.937234][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3976.937234][ T74] ipv6_find_idev+0x102/0x170 [ 3976.937234][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3976.937234][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3976.937234][ T74] netlink_rcv_skb+0x130/0x360 [ 3976.937234][ T74] netlink_unicast+0x449/0x710 [ 3976.937234][ T74] netlink_sendmsg+0x723/0xbe0 [ 3976.937234][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3976.937234][ T74] ___sys_sendmsg+0xee/0x170 [ 3976.937234][ T74] __sys_sendmsg+0xcd/0x170 [ 3976.937234][ T74] do_syscall_64+0xc6/0x1e0 [ 3976.937234][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3976.937234][ T74] [ 3976.938888][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3976.938888][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3976.938888][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3976.938888][ T74] ipv6_find_idev+0x102/0x170 [ 3976.938888][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3976.938888][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3976.938888][ T74] netlink_rcv_skb+0x130/0x360 [ 3976.938888][ T74] netlink_unicast+0x449/0x710 [ 3976.938888][ T74] netlink_sendmsg+0x723/0xbe0 [ 3976.938888][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3976.938888][ T74] ___sys_sendmsg+0xee/0x170 [ 3976.938888][ T74] __sys_sendmsg+0xcd/0x170 [ 3976.938888][ T74] do_syscall_64+0xc6/0x1e0 [ 3976.938888][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3976.938888][ T74] [ 3976.940804][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3976.941052][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3976.941052][ T74] netdev_get_by_index+0x5e/0x80 [ 3976.941052][ T74] fib6_nh_init+0x3d8/0x1580 [ 3976.941052][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3976.941052][ T74] ip6_route_add+0x1c/0x140 [ 3976.941052][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3976.941052][ T74] inet6_addr_add+0x4f8/0xa40 [ 3976.941052][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3976.941052][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3976.941052][ T74] netlink_rcv_skb+0x130/0x360 [ 3976.941052][ T74] netlink_unicast+0x449/0x710 [ 3976.941052][ T74] netlink_sendmsg+0x723/0xbe0 [ 3976.941052][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3976.941052][ T74] ___sys_sendmsg+0xee/0x170 [ 3976.941052][ T74] __sys_sendmsg+0xcd/0x170 [ 3976.941052][ T74] do_syscall_64+0xc6/0x1e0 [ 3976.941052][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3976.941052][ T74] [ 3976.943283][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3976.943283][ T74] netdev_get_by_index+0x5e/0x80 [ 3976.943283][ T74] fib6_nh_init+0x3d8/0x1580 [ 3976.943283][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3976.943283][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3976.943283][ T74] ipv6_add_addr+0x411/0x2000 [ 3976.943283][ T74] inet6_addr_add+0x30e/0xa40 [ 3976.943283][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3976.943283][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3976.943283][ T74] netlink_rcv_skb+0x130/0x360 [ 3976.943283][ T74] netlink_unicast+0x449/0x710 [ 3976.943283][ T74] netlink_sendmsg+0x723/0xbe0 [ 3976.943283][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3976.943283][ T74] ___sys_sendmsg+0xee/0x170 [ 3976.943283][ T74] __sys_sendmsg+0xcd/0x170 [ 3976.943283][ T74] do_syscall_64+0xc6/0x1e0 [ 3976.943283][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3976.943283][ T74] [ 3976.945569][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3976.945569][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3976.945569][ T74] ipv6_find_idev+0x102/0x170 [ 3976.945569][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3976.945569][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3976.945569][ T74] netlink_rcv_skb+0x130/0x360 [ 3976.945569][ T74] netlink_unicast+0x449/0x710 [ 3976.945569][ T74] netlink_sendmsg+0x723/0xbe0 [ 3976.945569][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3976.945569][ T74] ___sys_sendmsg+0xee/0x170 [ 3976.945569][ T74] __sys_sendmsg+0xcd/0x170 [ 3976.945569][ T74] do_syscall_64+0xc6/0x1e0 [ 3976.945569][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3976.945569][ T74] [ 3976.947736][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3976.947736][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3976.947736][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3976.947736][ T74] ipv6_find_idev+0x102/0x170 [ 3976.947736][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3976.947736][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3976.947736][ T74] netlink_rcv_skb+0x130/0x360 [ 3976.947736][ T74] netlink_unicast+0x449/0x710 [ 3976.947736][ T74] netlink_sendmsg+0x723/0xbe0 [ 3976.947736][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3976.947736][ T74] ___sys_sendmsg+0xee/0x170 [ 3976.947736][ T74] __sys_sendmsg+0xcd/0x170 [ 3976.947736][ T74] do_syscall_64+0xc6/0x1e0 [ 3976.947736][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3976.947736][ T74] [ 3987.192014][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3987.192383][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3987.192383][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3987.192383][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3987.192383][ T74] fib6_nh_init+0xa22/0x1580 [ 3987.192383][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3987.192383][ T74] ip6_route_add+0x1c/0x140 [ 3987.192383][ T74] inet6_rtm_newroute+0x104/0x110 [ 3987.192383][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3987.192383][ T74] netlink_rcv_skb+0x130/0x360 [ 3987.192383][ T74] netlink_unicast+0x449/0x710 [ 3987.192383][ T74] netlink_sendmsg+0x723/0xbe0 [ 3987.192383][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3987.192383][ T74] ___sys_sendmsg+0xee/0x170 [ 3987.192383][ T74] __sys_sendmsg+0xcd/0x170 [ 3987.192383][ T74] do_syscall_64+0xc6/0x1e0 [ 3987.192383][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3987.192383][ T74] [ 3987.194276][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3987.194276][ T74] netdev_get_by_index+0x5e/0x80 [ 3987.194276][ T74] fib6_nh_init+0x3d8/0x1580 [ 3987.194276][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3987.194276][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3987.194276][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3987.194276][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3987.194276][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3987.194276][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3987.194276][ T74] addrconf_dad_begin+0x310/0x670 [ 3987.194276][ T74] addrconf_dad_work+0x10b/0xab0 [ 3987.194276][ T74] process_one_work+0x84d/0x18a0 [ 3987.194276][ T74] worker_thread+0x587/0xd30 [ 3987.194276][ T74] kthread+0x28a/0x350 [ 3987.194276][ T74] ret_from_fork+0x31/0x70 [ 3987.194276][ T74] ret_from_fork_asm+0x1a/0x30 [ 3987.194276][ T74] [ 3987.196189][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3987.196189][ T74] netdev_get_by_index+0x5e/0x80 [ 3987.196189][ T74] fib6_nh_init+0x3d8/0x1580 [ 3987.196189][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3987.196189][ T74] ip6_route_add+0x1c/0x140 [ 3987.196189][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3987.196189][ T74] inet6_addr_add+0x4f8/0xa40 [ 3987.196189][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3987.196189][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3987.196189][ T74] netlink_rcv_skb+0x130/0x360 [ 3987.196189][ T74] netlink_unicast+0x449/0x710 [ 3987.196189][ T74] netlink_sendmsg+0x723/0xbe0 [ 3987.196189][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3987.196189][ T74] ___sys_sendmsg+0xee/0x170 [ 3987.196189][ T74] __sys_sendmsg+0xcd/0x170 [ 3987.196189][ T74] do_syscall_64+0xc6/0x1e0 [ 3987.196189][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3987.196189][ T74] [ 3987.198182][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3987.198182][ T74] netdev_get_by_index+0x5e/0x80 [ 3987.198182][ T74] fib6_nh_init+0x3d8/0x1580 [ 3987.198182][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3987.198182][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3987.198182][ T74] ipv6_add_addr+0x411/0x2000 [ 3987.198182][ T74] inet6_addr_add+0x30e/0xa40 [ 3987.198182][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3987.198182][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3987.198182][ T74] netlink_rcv_skb+0x130/0x360 [ 3987.198182][ T74] netlink_unicast+0x449/0x710 [ 3987.198182][ T74] netlink_sendmsg+0x723/0xbe0 [ 3987.198182][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3987.198182][ T74] ___sys_sendmsg+0xee/0x170 [ 3987.198182][ T74] __sys_sendmsg+0xcd/0x170 [ 3987.198182][ T74] do_syscall_64+0xc6/0x1e0 [ 3987.198182][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3987.198182][ T74] [ 3987.200209][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3987.200209][ T74] netdev_get_by_index+0x5e/0x80 [ 3987.200209][ T74] fib6_nh_init+0x3d8/0x1580 [ 3987.200209][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3987.200209][ T74] ip6_route_add+0x1c/0x140 [ 3987.200209][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3987.200209][ T74] addrconf_add_dev+0xe2/0x170 [ 3987.200209][ T74] inet6_addr_add+0x12f/0xa40 [ 3987.200209][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3987.200209][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3987.200209][ T74] netlink_rcv_skb+0x130/0x360 [ 3987.200209][ T74] netlink_unicast+0x449/0x710 [ 3987.200209][ T74] netlink_sendmsg+0x723/0xbe0 [ 3987.200209][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3987.200209][ T74] ___sys_sendmsg+0xee/0x170 [ 3987.200209][ T74] __sys_sendmsg+0xcd/0x170 [ 3987.200209][ T74] do_syscall_64+0xc6/0x1e0 [ 3987.200209][ T74] [ 3987.202170][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3987.202170][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3987.202170][ T74] ipv6_find_idev+0x102/0x170 [ 3987.202170][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3987.202170][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3987.202170][ T74] netlink_rcv_skb+0x130/0x360 [ 3987.202170][ T74] netlink_unicast+0x449/0x710 [ 3987.202170][ T74] netlink_sendmsg+0x723/0xbe0 [ 3987.202170][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3987.202170][ T74] ___sys_sendmsg+0xee/0x170 [ 3987.202170][ T74] __sys_sendmsg+0xcd/0x170 [ 3987.202170][ T74] do_syscall_64+0xc6/0x1e0 [ 3987.202170][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3987.202170][ T74] [ 3987.203704][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3987.203704][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3987.203704][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3987.203704][ T74] ipv6_find_idev+0x102/0x170 [ 3987.203704][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3987.203704][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3987.203704][ T74] netlink_rcv_skb+0x130/0x360 [ 3987.203704][ T74] netlink_unicast+0x449/0x710 [ 3987.203704][ T74] netlink_sendmsg+0x723/0xbe0 [ 3987.203704][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3987.203704][ T74] ___sys_sendmsg+0xee/0x170 [ 3987.203704][ T74] __sys_sendmsg+0xcd/0x170 [ 3987.203704][ T74] do_syscall_64+0xc6/0x1e0 [ 3987.203704][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3987.203704][ T74] [ 3987.205407][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3987.205682][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3987.205682][ T74] dst_init+0x84/0x4a0 [ 3987.205682][ T74] dst_alloc+0x97/0x150 [ 3987.205682][ T74] ip6_dst_alloc+0x23/0x90 [ 3987.205682][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3987.205682][ T74] ip6_pol_route+0x56f/0x840 [ 3987.205682][ T74] fib6_rule_lookup+0x456/0x630 [ 3987.205682][ T74] ip6_route_input+0x59c/0xa50 [ 3987.205682][ T74] ipv6_rcv+0x397/0x810 [ 3987.205682][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3987.205682][ T74] process_backlog+0x101/0x620 [ 3987.205682][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3987.205682][ T74] net_rx_action+0x495/0xbe0 [ 3987.205682][ T74] __do_softirq+0x1b5/0x7f6 [ 3987.205682][ T74] [ 3987.207314][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3987.207314][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3987.207314][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3987.207314][ T74] fib6_nh_init+0xa22/0x1580 [ 3987.207314][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3987.207314][ T74] ip6_route_add+0x1c/0x140 [ 3987.207314][ T74] inet6_rtm_newroute+0x104/0x110 [ 3987.207314][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3987.207314][ T74] netlink_rcv_skb+0x130/0x360 [ 3987.207314][ T74] netlink_unicast+0x449/0x710 [ 3987.207314][ T74] netlink_sendmsg+0x723/0xbe0 [ 3987.207314][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3987.207314][ T74] ___sys_sendmsg+0xee/0x170 [ 3987.207314][ T74] __sys_sendmsg+0xcd/0x170 [ 3987.207314][ T74] do_syscall_64+0xc6/0x1e0 [ 3987.207314][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3987.207314][ T74] [ 3987.209184][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3987.209184][ T74] netdev_get_by_index+0x5e/0x80 [ 3987.209184][ T74] fib6_nh_init+0x3d8/0x1580 [ 3987.209184][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3987.209184][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3987.209184][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3987.209184][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3987.209184][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3987.209184][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3987.209184][ T74] addrconf_dad_begin+0x310/0x670 [ 3987.209184][ T74] addrconf_dad_work+0x10b/0xab0 [ 3987.209184][ T74] process_one_work+0x84d/0x18a0 [ 3987.209184][ T74] worker_thread+0x587/0xd30 [ 3987.209184][ T74] kthread+0x28a/0x350 [ 3987.209184][ T74] ret_from_fork+0x31/0x70 [ 3987.209184][ T74] ret_from_fork_asm+0x1a/0x30 [ 3987.209184][ T74] [ 3987.211091][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3987.211091][ T74] netdev_get_by_index+0x5e/0x80 [ 3987.211091][ T74] fib6_nh_init+0x3d8/0x1580 [ 3987.211091][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3987.211091][ T74] ip6_route_add+0x1c/0x140 [ 3987.211091][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3987.211091][ T74] inet6_addr_add+0x4f8/0xa40 [ 3987.211091][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3987.211091][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3987.211091][ T74] netlink_rcv_skb+0x130/0x360 [ 3987.211091][ T74] netlink_unicast+0x449/0x710 [ 3987.211091][ T74] netlink_sendmsg+0x723/0xbe0 [ 3987.211091][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3987.211091][ T74] ___sys_sendmsg+0xee/0x170 [ 3987.211091][ T74] __sys_sendmsg+0xcd/0x170 [ 3987.211091][ T74] do_syscall_64+0xc6/0x1e0 [ 3987.211091][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3987.211091][ T74] [ 3987.213082][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3987.213082][ T74] netdev_get_by_index+0x5e/0x80 [ 3987.213082][ T74] fib6_nh_init+0x3d8/0x1580 [ 3987.213082][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3987.213082][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3987.213082][ T74] ipv6_add_addr+0x411/0x2000 [ 3987.213082][ T74] inet6_addr_add+0x30e/0xa40 [ 3987.213082][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3987.213082][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3987.213082][ T74] netlink_rcv_skb+0x130/0x360 [ 3987.213082][ T74] netlink_unicast+0x449/0x710 [ 3987.213082][ T74] netlink_sendmsg+0x723/0xbe0 [ 3987.213082][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3987.213082][ T74] ___sys_sendmsg+0xee/0x170 [ 3987.213082][ T74] __sys_sendmsg+0xcd/0x170 [ 3987.213082][ T74] do_syscall_64+0xc6/0x1e0 [ 3987.213082][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3987.213082][ T74] [ 3987.215069][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3987.215069][ T74] netdev_get_by_index+0x5e/0x80 [ 3987.215069][ T74] fib6_nh_init+0x3d8/0x1580 [ 3987.215069][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3987.215069][ T74] ip6_route_add+0x1c/0x140 [ 3987.215069][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3987.215069][ T74] addrconf_add_dev+0xe2/0x170 [ 3987.215069][ T74] inet6_addr_add+0x12f/0xa40 [ 3987.215069][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3987.215069][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3987.215069][ T74] netlink_rcv_skb+0x130/0x360 [ 3987.215069][ T74] netlink_unicast+0x449/0x710 [ 3987.215069][ T74] netlink_sendmsg+0x723/0xbe0 [ 3987.215069][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3987.215069][ T74] ___sys_sendmsg+0xee/0x170 [ 3987.215069][ T74] __sys_sendmsg+0xcd/0x170 [ 3987.215069][ T74] do_syscall_64+0xc6/0x1e0 [ 3987.215069][ T74] [ 3987.217025][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3987.217025][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3987.217025][ T74] ipv6_find_idev+0x102/0x170 [ 3987.217025][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3987.217025][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3987.217025][ T74] netlink_rcv_skb+0x130/0x360 [ 3987.217025][ T74] netlink_unicast+0x449/0x710 [ 3987.217025][ T74] netlink_sendmsg+0x723/0xbe0 [ 3987.217025][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3987.217025][ T74] ___sys_sendmsg+0xee/0x170 [ 3987.217025][ T74] __sys_sendmsg+0xcd/0x170 [ 3987.217025][ T74] do_syscall_64+0xc6/0x1e0 [ 3987.217025][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3987.217025][ T74] [ 3987.218681][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3987.218681][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3987.218681][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3987.218681][ T74] ipv6_find_idev+0x102/0x170 [ 3987.218681][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3987.218681][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3987.218681][ T74] netlink_rcv_skb+0x130/0x360 [ 3987.218681][ T74] netlink_unicast+0x449/0x710 [ 3987.218681][ T74] netlink_sendmsg+0x723/0xbe0 [ 3987.218681][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3987.218681][ T74] ___sys_sendmsg+0xee/0x170 [ 3987.218681][ T74] __sys_sendmsg+0xcd/0x170 [ 3987.218681][ T74] do_syscall_64+0xc6/0x1e0 [ 3987.218681][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3987.218681][ T74] [ 3987.220593][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3987.220832][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3987.220832][ T74] netdev_get_by_index+0x5e/0x80 [ 3987.220832][ T74] fib6_nh_init+0x3d8/0x1580 [ 3987.220832][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3987.220832][ T74] ip6_route_add+0x1c/0x140 [ 3987.220832][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3987.220832][ T74] inet6_addr_add+0x4f8/0xa40 [ 3987.220832][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3987.220832][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3987.220832][ T74] netlink_rcv_skb+0x130/0x360 [ 3987.220832][ T74] netlink_unicast+0x449/0x710 [ 3987.220832][ T74] netlink_sendmsg+0x723/0xbe0 [ 3987.220832][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3987.220832][ T74] ___sys_sendmsg+0xee/0x170 [ 3987.220832][ T74] __sys_sendmsg+0xcd/0x170 [ 3987.220832][ T74] do_syscall_64+0xc6/0x1e0 [ 3987.220832][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3987.220832][ T74] [ 3987.223062][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3987.223062][ T74] netdev_get_by_index+0x5e/0x80 [ 3987.223062][ T74] fib6_nh_init+0x3d8/0x1580 [ 3987.223062][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3987.223062][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3987.223062][ T74] ipv6_add_addr+0x411/0x2000 [ 3987.223062][ T74] inet6_addr_add+0x30e/0xa40 [ 3987.223062][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3987.223062][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3987.223062][ T74] netlink_rcv_skb+0x130/0x360 [ 3987.223062][ T74] netlink_unicast+0x449/0x710 [ 3987.223062][ T74] netlink_sendmsg+0x723/0xbe0 [ 3987.223062][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3987.223062][ T74] ___sys_sendmsg+0xee/0x170 [ 3987.223062][ T74] __sys_sendmsg+0xcd/0x170 [ 3987.223062][ T74] do_syscall_64+0xc6/0x1e0 [ 3987.223062][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3987.223062][ T74] [ 3987.225282][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3987.225282][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3987.225282][ T74] ipv6_find_idev+0x102/0x170 [ 3987.225282][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3987.225282][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3987.225282][ T74] netlink_rcv_skb+0x130/0x360 [ 3987.225282][ T74] netlink_unicast+0x449/0x710 [ 3987.225282][ T74] netlink_sendmsg+0x723/0xbe0 [ 3987.225282][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3987.225282][ T74] ___sys_sendmsg+0xee/0x170 [ 3987.225282][ T74] __sys_sendmsg+0xcd/0x170 [ 3987.225282][ T74] do_syscall_64+0xc6/0x1e0 [ 3987.225282][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3987.225282][ T74] [ 3987.226935][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3987.226935][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3987.226935][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3987.226935][ T74] ipv6_find_idev+0x102/0x170 [ 3987.226935][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3987.226935][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3987.226935][ T74] netlink_rcv_skb+0x130/0x360 [ 3987.226935][ T74] netlink_unicast+0x449/0x710 [ 3987.226935][ T74] netlink_sendmsg+0x723/0xbe0 [ 3987.226935][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3987.226935][ T74] ___sys_sendmsg+0xee/0x170 [ 3987.226935][ T74] __sys_sendmsg+0xcd/0x170 [ 3987.226935][ T74] do_syscall_64+0xc6/0x1e0 [ 3987.226935][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3987.226935][ T74] [ 3997.471994][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 3997.472423][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3997.472423][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3997.472423][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3997.472423][ T74] fib6_nh_init+0xa22/0x1580 [ 3997.472423][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3997.472423][ T74] ip6_route_add+0x1c/0x140 [ 3997.472423][ T74] inet6_rtm_newroute+0x104/0x110 [ 3997.472423][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3997.472423][ T74] netlink_rcv_skb+0x130/0x360 [ 3997.472423][ T74] netlink_unicast+0x449/0x710 [ 3997.472423][ T74] netlink_sendmsg+0x723/0xbe0 [ 3997.472423][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3997.472423][ T74] ___sys_sendmsg+0xee/0x170 [ 3997.472423][ T74] __sys_sendmsg+0xcd/0x170 [ 3997.472423][ T74] do_syscall_64+0xc6/0x1e0 [ 3997.472423][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3997.472423][ T74] [ 3997.474326][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3997.474326][ T74] netdev_get_by_index+0x5e/0x80 [ 3997.474326][ T74] fib6_nh_init+0x3d8/0x1580 [ 3997.474326][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3997.474326][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3997.474326][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3997.474326][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3997.474326][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3997.474326][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3997.474326][ T74] addrconf_dad_begin+0x310/0x670 [ 3997.474326][ T74] addrconf_dad_work+0x10b/0xab0 [ 3997.474326][ T74] process_one_work+0x84d/0x18a0 [ 3997.474326][ T74] worker_thread+0x587/0xd30 [ 3997.474326][ T74] kthread+0x28a/0x350 [ 3997.474326][ T74] ret_from_fork+0x31/0x70 [ 3997.474326][ T74] ret_from_fork_asm+0x1a/0x30 [ 3997.474326][ T74] [ 3997.476234][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3997.476234][ T74] netdev_get_by_index+0x5e/0x80 [ 3997.476234][ T74] fib6_nh_init+0x3d8/0x1580 [ 3997.476234][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3997.476234][ T74] ip6_route_add+0x1c/0x140 [ 3997.476234][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3997.476234][ T74] inet6_addr_add+0x4f8/0xa40 [ 3997.476234][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3997.476234][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3997.476234][ T74] netlink_rcv_skb+0x130/0x360 [ 3997.476234][ T74] netlink_unicast+0x449/0x710 [ 3997.476234][ T74] netlink_sendmsg+0x723/0xbe0 [ 3997.476234][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3997.476234][ T74] ___sys_sendmsg+0xee/0x170 [ 3997.476234][ T74] __sys_sendmsg+0xcd/0x170 [ 3997.476234][ T74] do_syscall_64+0xc6/0x1e0 [ 3997.476234][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3997.476234][ T74] [ 3997.478234][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3997.478234][ T74] netdev_get_by_index+0x5e/0x80 [ 3997.478234][ T74] fib6_nh_init+0x3d8/0x1580 [ 3997.478234][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3997.478234][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3997.478234][ T74] ipv6_add_addr+0x411/0x2000 [ 3997.478234][ T74] inet6_addr_add+0x30e/0xa40 [ 3997.478234][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3997.478234][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3997.478234][ T74] netlink_rcv_skb+0x130/0x360 [ 3997.478234][ T74] netlink_unicast+0x449/0x710 [ 3997.478234][ T74] netlink_sendmsg+0x723/0xbe0 [ 3997.478234][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3997.478234][ T74] ___sys_sendmsg+0xee/0x170 [ 3997.478234][ T74] __sys_sendmsg+0xcd/0x170 [ 3997.478234][ T74] do_syscall_64+0xc6/0x1e0 [ 3997.478234][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3997.478234][ T74] [ 3997.480249][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3997.480249][ T74] netdev_get_by_index+0x5e/0x80 [ 3997.480249][ T74] fib6_nh_init+0x3d8/0x1580 [ 3997.480249][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3997.480249][ T74] ip6_route_add+0x1c/0x140 [ 3997.480249][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3997.480249][ T74] addrconf_add_dev+0xe2/0x170 [ 3997.480249][ T74] inet6_addr_add+0x12f/0xa40 [ 3997.480249][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3997.480249][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3997.480249][ T74] netlink_rcv_skb+0x130/0x360 [ 3997.480249][ T74] netlink_unicast+0x449/0x710 [ 3997.480249][ T74] netlink_sendmsg+0x723/0xbe0 [ 3997.480249][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3997.480249][ T74] ___sys_sendmsg+0xee/0x170 [ 3997.480249][ T74] __sys_sendmsg+0xcd/0x170 [ 3997.480249][ T74] do_syscall_64+0xc6/0x1e0 [ 3997.480249][ T74] [ 3997.482728][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3997.482728][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3997.482728][ T74] ipv6_find_idev+0x102/0x170 [ 3997.482728][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3997.482728][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3997.482728][ T74] netlink_rcv_skb+0x130/0x360 [ 3997.482728][ T74] netlink_unicast+0x449/0x710 [ 3997.482728][ T74] netlink_sendmsg+0x723/0xbe0 [ 3997.482728][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3997.482728][ T74] ___sys_sendmsg+0xee/0x170 [ 3997.482728][ T74] __sys_sendmsg+0xcd/0x170 [ 3997.482728][ T74] do_syscall_64+0xc6/0x1e0 [ 3997.482728][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3997.482728][ T74] [ 3997.484263][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 3997.484263][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3997.484263][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3997.484263][ T74] ipv6_find_idev+0x102/0x170 [ 3997.484263][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3997.484263][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3997.484263][ T74] netlink_rcv_skb+0x130/0x360 [ 3997.484263][ T74] netlink_unicast+0x449/0x710 [ 3997.484263][ T74] netlink_sendmsg+0x723/0xbe0 [ 3997.484263][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3997.484263][ T74] ___sys_sendmsg+0xee/0x170 [ 3997.484263][ T74] __sys_sendmsg+0xcd/0x170 [ 3997.484263][ T74] do_syscall_64+0xc6/0x1e0 [ 3997.484263][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3997.484263][ T74] [ 3997.485961][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 3997.486237][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 3997.486237][ T74] dst_init+0x84/0x4a0 [ 3997.486237][ T74] dst_alloc+0x97/0x150 [ 3997.486237][ T74] ip6_dst_alloc+0x23/0x90 [ 3997.486237][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 3997.486237][ T74] ip6_pol_route+0x56f/0x840 [ 3997.486237][ T74] fib6_rule_lookup+0x456/0x630 [ 3997.486237][ T74] ip6_route_input+0x59c/0xa50 [ 3997.486237][ T74] ipv6_rcv+0x397/0x810 [ 3997.486237][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 3997.486237][ T74] process_backlog+0x101/0x620 [ 3997.486237][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 3997.486237][ T74] net_rx_action+0x495/0xbe0 [ 3997.486237][ T74] __do_softirq+0x1b5/0x7f6 [ 3997.486237][ T74] [ 3997.487866][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3997.487866][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 3997.487866][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 3997.487866][ T74] fib6_nh_init+0xa22/0x1580 [ 3997.487866][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3997.487866][ T74] ip6_route_add+0x1c/0x140 [ 3997.487866][ T74] inet6_rtm_newroute+0x104/0x110 [ 3997.487866][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3997.487866][ T74] netlink_rcv_skb+0x130/0x360 [ 3997.487866][ T74] netlink_unicast+0x449/0x710 [ 3997.487866][ T74] netlink_sendmsg+0x723/0xbe0 [ 3997.487866][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3997.487866][ T74] ___sys_sendmsg+0xee/0x170 [ 3997.487866][ T74] __sys_sendmsg+0xcd/0x170 [ 3997.487866][ T74] do_syscall_64+0xc6/0x1e0 [ 3997.487866][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3997.487866][ T74] [ 3997.489750][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3997.489750][ T74] netdev_get_by_index+0x5e/0x80 [ 3997.489750][ T74] fib6_nh_init+0x3d8/0x1580 [ 3997.489750][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3997.489750][ T74] addrconf_f6i_alloc+0x265/0x560 [ 3997.489750][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 3997.489750][ T74] addrconf_join_anycast+0x1c0/0x220 [ 3997.489750][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 3997.489750][ T74] addrconf_dad_completed+0x12b/0xe20 [ 3997.489750][ T74] addrconf_dad_begin+0x310/0x670 [ 3997.489750][ T74] addrconf_dad_work+0x10b/0xab0 [ 3997.489750][ T74] process_one_work+0x84d/0x18a0 [ 3997.489750][ T74] worker_thread+0x587/0xd30 [ 3997.489750][ T74] kthread+0x28a/0x350 [ 3997.489750][ T74] ret_from_fork+0x31/0x70 [ 3997.489750][ T74] ret_from_fork_asm+0x1a/0x30 [ 3997.489750][ T74] [ 3997.492041][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3997.492041][ T74] netdev_get_by_index+0x5e/0x80 [ 3997.492041][ T74] fib6_nh_init+0x3d8/0x1580 [ 3997.492041][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3997.492041][ T74] ip6_route_add+0x1c/0x140 [ 3997.492041][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3997.492041][ T74] inet6_addr_add+0x4f8/0xa40 [ 3997.492041][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3997.492041][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3997.492041][ T74] netlink_rcv_skb+0x130/0x360 [ 3997.492041][ T74] netlink_unicast+0x449/0x710 [ 3997.492041][ T74] netlink_sendmsg+0x723/0xbe0 [ 3997.492041][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3997.492041][ T74] ___sys_sendmsg+0xee/0x170 [ 3997.492041][ T74] __sys_sendmsg+0xcd/0x170 [ 3997.492041][ T74] do_syscall_64+0xc6/0x1e0 [ 3997.492041][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3997.492041][ T74] [ 3997.494042][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3997.494042][ T74] netdev_get_by_index+0x5e/0x80 [ 3997.494042][ T74] fib6_nh_init+0x3d8/0x1580 [ 3997.494042][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3997.494042][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3997.494042][ T74] ipv6_add_addr+0x411/0x2000 [ 3997.494042][ T74] inet6_addr_add+0x30e/0xa40 [ 3997.494042][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3997.494042][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3997.494042][ T74] netlink_rcv_skb+0x130/0x360 [ 3997.494042][ T74] netlink_unicast+0x449/0x710 [ 3997.494042][ T74] netlink_sendmsg+0x723/0xbe0 [ 3997.494042][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3997.494042][ T74] ___sys_sendmsg+0xee/0x170 [ 3997.494042][ T74] __sys_sendmsg+0xcd/0x170 [ 3997.494042][ T74] do_syscall_64+0xc6/0x1e0 [ 3997.494042][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3997.494042][ T74] [ 3997.496039][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3997.496039][ T74] netdev_get_by_index+0x5e/0x80 [ 3997.496039][ T74] fib6_nh_init+0x3d8/0x1580 [ 3997.496039][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3997.496039][ T74] ip6_route_add+0x1c/0x140 [ 3997.496039][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 3997.496039][ T74] addrconf_add_dev+0xe2/0x170 [ 3997.496039][ T74] inet6_addr_add+0x12f/0xa40 [ 3997.496039][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3997.496039][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3997.496039][ T74] netlink_rcv_skb+0x130/0x360 [ 3997.496039][ T74] netlink_unicast+0x449/0x710 [ 3997.496039][ T74] netlink_sendmsg+0x723/0xbe0 [ 3997.496039][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3997.496039][ T74] ___sys_sendmsg+0xee/0x170 [ 3997.496039][ T74] __sys_sendmsg+0xcd/0x170 [ 3997.496039][ T74] do_syscall_64+0xc6/0x1e0 [ 3997.496039][ T74] [ 3997.497990][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3997.497990][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3997.497990][ T74] ipv6_find_idev+0x102/0x170 [ 3997.497990][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3997.497990][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3997.497990][ T74] netlink_rcv_skb+0x130/0x360 [ 3997.497990][ T74] netlink_unicast+0x449/0x710 [ 3997.497990][ T74] netlink_sendmsg+0x723/0xbe0 [ 3997.497990][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3997.497990][ T74] ___sys_sendmsg+0xee/0x170 [ 3997.497990][ T74] __sys_sendmsg+0xcd/0x170 [ 3997.497990][ T74] do_syscall_64+0xc6/0x1e0 [ 3997.497990][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3997.497990][ T74] [ 3997.499712][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 3997.499712][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3997.499712][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3997.499712][ T74] ipv6_find_idev+0x102/0x170 [ 3997.499712][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3997.499712][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3997.499712][ T74] netlink_rcv_skb+0x130/0x360 [ 3997.499712][ T74] netlink_unicast+0x449/0x710 [ 3997.499712][ T74] netlink_sendmsg+0x723/0xbe0 [ 3997.499712][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3997.499712][ T74] ___sys_sendmsg+0xee/0x170 [ 3997.499712][ T74] __sys_sendmsg+0xcd/0x170 [ 3997.499712][ T74] do_syscall_64+0xc6/0x1e0 [ 3997.499712][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3997.499712][ T74] [ 3997.501633][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 3997.501876][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3997.501876][ T74] netdev_get_by_index+0x5e/0x80 [ 3997.501876][ T74] fib6_nh_init+0x3d8/0x1580 [ 3997.501876][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3997.501876][ T74] ip6_route_add+0x1c/0x140 [ 3997.501876][ T74] addrconf_prefix_route+0x2a6/0x430 [ 3997.501876][ T74] inet6_addr_add+0x4f8/0xa40 [ 3997.501876][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3997.501876][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3997.501876][ T74] netlink_rcv_skb+0x130/0x360 [ 3997.501876][ T74] netlink_unicast+0x449/0x710 [ 3997.501876][ T74] netlink_sendmsg+0x723/0xbe0 [ 3997.501876][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3997.501876][ T74] ___sys_sendmsg+0xee/0x170 [ 3997.501876][ T74] __sys_sendmsg+0xcd/0x170 [ 3997.501876][ T74] do_syscall_64+0xc6/0x1e0 [ 3997.501876][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3997.501876][ T74] [ 3997.504110][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3997.504110][ T74] netdev_get_by_index+0x5e/0x80 [ 3997.504110][ T74] fib6_nh_init+0x3d8/0x1580 [ 3997.504110][ T74] ip6_route_info_create+0xf18/0x17d0 [ 3997.504110][ T74] addrconf_f6i_alloc+0x315/0x560 [ 3997.504110][ T74] ipv6_add_addr+0x411/0x2000 [ 3997.504110][ T74] inet6_addr_add+0x30e/0xa40 [ 3997.504110][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 3997.504110][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3997.504110][ T74] netlink_rcv_skb+0x130/0x360 [ 3997.504110][ T74] netlink_unicast+0x449/0x710 [ 3997.504110][ T74] netlink_sendmsg+0x723/0xbe0 [ 3997.504110][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3997.504110][ T74] ___sys_sendmsg+0xee/0x170 [ 3997.504110][ T74] __sys_sendmsg+0xcd/0x170 [ 3997.504110][ T74] do_syscall_64+0xc6/0x1e0 [ 3997.504110][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3997.504110][ T74] [ 3997.506375][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3997.506375][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 3997.506375][ T74] ipv6_find_idev+0x102/0x170 [ 3997.506375][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3997.506375][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3997.506375][ T74] netlink_rcv_skb+0x130/0x360 [ 3997.506375][ T74] netlink_unicast+0x449/0x710 [ 3997.506375][ T74] netlink_sendmsg+0x723/0xbe0 [ 3997.506375][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3997.506375][ T74] ___sys_sendmsg+0xee/0x170 [ 3997.506375][ T74] __sys_sendmsg+0xcd/0x170 [ 3997.506375][ T74] do_syscall_64+0xc6/0x1e0 [ 3997.506375][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3997.506375][ T74] [ 3997.508088][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 3997.508088][ T74] neigh_parms_alloc+0x1e5/0x510 [ 3997.508088][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 3997.508088][ T74] ipv6_find_idev+0x102/0x170 [ 3997.508088][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 3997.508088][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3997.508088][ T74] netlink_rcv_skb+0x130/0x360 [ 3997.508088][ T74] netlink_unicast+0x449/0x710 [ 3997.508088][ T74] netlink_sendmsg+0x723/0xbe0 [ 3997.508088][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 3997.508088][ T74] ___sys_sendmsg+0xee/0x170 [ 3997.508088][ T74] __sys_sendmsg+0xcd/0x170 [ 3997.508088][ T74] do_syscall_64+0xc6/0x1e0 [ 3997.508088][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3997.508088][ T74] [ 4007.751989][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4007.752408][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4007.752408][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4007.752408][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4007.752408][ T74] fib6_nh_init+0xa22/0x1580 [ 4007.752408][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4007.752408][ T74] ip6_route_add+0x1c/0x140 [ 4007.752408][ T74] inet6_rtm_newroute+0x104/0x110 [ 4007.752408][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4007.752408][ T74] netlink_rcv_skb+0x130/0x360 [ 4007.752408][ T74] netlink_unicast+0x449/0x710 [ 4007.752408][ T74] netlink_sendmsg+0x723/0xbe0 [ 4007.752408][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4007.752408][ T74] ___sys_sendmsg+0xee/0x170 [ 4007.752408][ T74] __sys_sendmsg+0xcd/0x170 [ 4007.752408][ T74] do_syscall_64+0xc6/0x1e0 [ 4007.752408][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4007.752408][ T74] [ 4007.754396][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4007.754396][ T74] netdev_get_by_index+0x5e/0x80 [ 4007.754396][ T74] fib6_nh_init+0x3d8/0x1580 [ 4007.754396][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4007.754396][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4007.754396][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4007.754396][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4007.754396][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4007.754396][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4007.754396][ T74] addrconf_dad_begin+0x310/0x670 [ 4007.754396][ T74] addrconf_dad_work+0x10b/0xab0 [ 4007.754396][ T74] process_one_work+0x84d/0x18a0 [ 4007.754396][ T74] worker_thread+0x587/0xd30 [ 4007.754396][ T74] kthread+0x28a/0x350 [ 4007.754396][ T74] ret_from_fork+0x31/0x70 [ 4007.754396][ T74] ret_from_fork_asm+0x1a/0x30 [ 4007.754396][ T74] [ 4007.756315][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4007.756315][ T74] netdev_get_by_index+0x5e/0x80 [ 4007.756315][ T74] fib6_nh_init+0x3d8/0x1580 [ 4007.756315][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4007.756315][ T74] ip6_route_add+0x1c/0x140 [ 4007.756315][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4007.756315][ T74] inet6_addr_add+0x4f8/0xa40 [ 4007.756315][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4007.756315][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4007.756315][ T74] netlink_rcv_skb+0x130/0x360 [ 4007.756315][ T74] netlink_unicast+0x449/0x710 [ 4007.756315][ T74] netlink_sendmsg+0x723/0xbe0 [ 4007.756315][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4007.756315][ T74] ___sys_sendmsg+0xee/0x170 [ 4007.756315][ T74] __sys_sendmsg+0xcd/0x170 [ 4007.756315][ T74] do_syscall_64+0xc6/0x1e0 [ 4007.756315][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4007.756315][ T74] [ 4007.758334][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4007.758334][ T74] netdev_get_by_index+0x5e/0x80 [ 4007.758334][ T74] fib6_nh_init+0x3d8/0x1580 [ 4007.758334][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4007.758334][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4007.758334][ T74] ipv6_add_addr+0x411/0x2000 [ 4007.758334][ T74] inet6_addr_add+0x30e/0xa40 [ 4007.758334][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4007.758334][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4007.758334][ T74] netlink_rcv_skb+0x130/0x360 [ 4007.758334][ T74] netlink_unicast+0x449/0x710 [ 4007.758334][ T74] netlink_sendmsg+0x723/0xbe0 [ 4007.758334][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4007.758334][ T74] ___sys_sendmsg+0xee/0x170 [ 4007.758334][ T74] __sys_sendmsg+0xcd/0x170 [ 4007.758334][ T74] do_syscall_64+0xc6/0x1e0 [ 4007.758334][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4007.758334][ T74] [ 4007.760353][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4007.760353][ T74] netdev_get_by_index+0x5e/0x80 [ 4007.760353][ T74] fib6_nh_init+0x3d8/0x1580 [ 4007.760353][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4007.760353][ T74] ip6_route_add+0x1c/0x140 [ 4007.760353][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4007.760353][ T74] addrconf_add_dev+0xe2/0x170 [ 4007.760353][ T74] inet6_addr_add+0x12f/0xa40 [ 4007.760353][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4007.760353][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4007.760353][ T74] netlink_rcv_skb+0x130/0x360 [ 4007.760353][ T74] netlink_unicast+0x449/0x710 [ 4007.760353][ T74] netlink_sendmsg+0x723/0xbe0 [ 4007.760353][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4007.760353][ T74] ___sys_sendmsg+0xee/0x170 [ 4007.760353][ T74] __sys_sendmsg+0xcd/0x170 [ 4007.760353][ T74] do_syscall_64+0xc6/0x1e0 [ 4007.760353][ T74] [ 4007.762312][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4007.762312][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4007.762312][ T74] ipv6_find_idev+0x102/0x170 [ 4007.762312][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4007.762312][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4007.762312][ T74] netlink_rcv_skb+0x130/0x360 [ 4007.762312][ T74] netlink_unicast+0x449/0x710 [ 4007.762312][ T74] netlink_sendmsg+0x723/0xbe0 [ 4007.762312][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4007.762312][ T74] ___sys_sendmsg+0xee/0x170 [ 4007.762312][ T74] __sys_sendmsg+0xcd/0x170 [ 4007.762312][ T74] do_syscall_64+0xc6/0x1e0 [ 4007.762312][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4007.762312][ T74] [ 4007.763849][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4007.763849][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4007.763849][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4007.763849][ T74] ipv6_find_idev+0x102/0x170 [ 4007.763849][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4007.763849][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4007.763849][ T74] netlink_rcv_skb+0x130/0x360 [ 4007.763849][ T74] netlink_unicast+0x449/0x710 [ 4007.763849][ T74] netlink_sendmsg+0x723/0xbe0 [ 4007.763849][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4007.763849][ T74] ___sys_sendmsg+0xee/0x170 [ 4007.763849][ T74] __sys_sendmsg+0xcd/0x170 [ 4007.763849][ T74] do_syscall_64+0xc6/0x1e0 [ 4007.763849][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4007.763849][ T74] [ 4007.765535][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4007.765809][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4007.765809][ T74] dst_init+0x84/0x4a0 [ 4007.765809][ T74] dst_alloc+0x97/0x150 [ 4007.765809][ T74] ip6_dst_alloc+0x23/0x90 [ 4007.765809][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4007.765809][ T74] ip6_pol_route+0x56f/0x840 [ 4007.765809][ T74] fib6_rule_lookup+0x456/0x630 [ 4007.765809][ T74] ip6_route_input+0x59c/0xa50 [ 4007.765809][ T74] ipv6_rcv+0x397/0x810 [ 4007.765809][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4007.765809][ T74] process_backlog+0x101/0x620 [ 4007.765809][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4007.765809][ T74] net_rx_action+0x495/0xbe0 [ 4007.765809][ T74] __do_softirq+0x1b5/0x7f6 [ 4007.765809][ T74] [ 4007.767440][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4007.767440][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4007.767440][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4007.767440][ T74] fib6_nh_init+0xa22/0x1580 [ 4007.767440][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4007.767440][ T74] ip6_route_add+0x1c/0x140 [ 4007.767440][ T74] inet6_rtm_newroute+0x104/0x110 [ 4007.767440][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4007.767440][ T74] netlink_rcv_skb+0x130/0x360 [ 4007.767440][ T74] netlink_unicast+0x449/0x710 [ 4007.767440][ T74] netlink_sendmsg+0x723/0xbe0 [ 4007.767440][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4007.767440][ T74] ___sys_sendmsg+0xee/0x170 [ 4007.767440][ T74] __sys_sendmsg+0xcd/0x170 [ 4007.767440][ T74] do_syscall_64+0xc6/0x1e0 [ 4007.767440][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4007.767440][ T74] [ 4007.769323][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4007.769323][ T74] netdev_get_by_index+0x5e/0x80 [ 4007.769323][ T74] fib6_nh_init+0x3d8/0x1580 [ 4007.769323][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4007.769323][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4007.769323][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4007.769323][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4007.769323][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4007.769323][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4007.769323][ T74] addrconf_dad_begin+0x310/0x670 [ 4007.769323][ T74] addrconf_dad_work+0x10b/0xab0 [ 4007.769323][ T74] process_one_work+0x84d/0x18a0 [ 4007.769323][ T74] worker_thread+0x587/0xd30 [ 4007.769323][ T74] kthread+0x28a/0x350 [ 4007.769323][ T74] ret_from_fork+0x31/0x70 [ 4007.769323][ T74] ret_from_fork_asm+0x1a/0x30 [ 4007.769323][ T74] [ 4007.771226][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4007.771226][ T74] netdev_get_by_index+0x5e/0x80 [ 4007.771226][ T74] fib6_nh_init+0x3d8/0x1580 [ 4007.771226][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4007.771226][ T74] ip6_route_add+0x1c/0x140 [ 4007.771226][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4007.771226][ T74] inet6_addr_add+0x4f8/0xa40 [ 4007.771226][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4007.771226][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4007.771226][ T74] netlink_rcv_skb+0x130/0x360 [ 4007.771226][ T74] netlink_unicast+0x449/0x710 [ 4007.771226][ T74] netlink_sendmsg+0x723/0xbe0 [ 4007.771226][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4007.771226][ T74] ___sys_sendmsg+0xee/0x170 [ 4007.771226][ T74] __sys_sendmsg+0xcd/0x170 [ 4007.771226][ T74] do_syscall_64+0xc6/0x1e0 [ 4007.771226][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4007.771226][ T74] [ 4007.773216][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4007.773216][ T74] netdev_get_by_index+0x5e/0x80 [ 4007.773216][ T74] fib6_nh_init+0x3d8/0x1580 [ 4007.773216][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4007.773216][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4007.773216][ T74] ipv6_add_addr+0x411/0x2000 [ 4007.773216][ T74] inet6_addr_add+0x30e/0xa40 [ 4007.773216][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4007.773216][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4007.773216][ T74] netlink_rcv_skb+0x130/0x360 [ 4007.773216][ T74] netlink_unicast+0x449/0x710 [ 4007.773216][ T74] netlink_sendmsg+0x723/0xbe0 [ 4007.773216][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4007.773216][ T74] ___sys_sendmsg+0xee/0x170 [ 4007.773216][ T74] __sys_sendmsg+0xcd/0x170 [ 4007.773216][ T74] do_syscall_64+0xc6/0x1e0 [ 4007.773216][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4007.773216][ T74] [ 4007.775200][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4007.775200][ T74] netdev_get_by_index+0x5e/0x80 [ 4007.775200][ T74] fib6_nh_init+0x3d8/0x1580 [ 4007.775200][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4007.775200][ T74] ip6_route_add+0x1c/0x140 [ 4007.775200][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4007.775200][ T74] addrconf_add_dev+0xe2/0x170 [ 4007.775200][ T74] inet6_addr_add+0x12f/0xa40 [ 4007.775200][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4007.775200][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4007.775200][ T74] netlink_rcv_skb+0x130/0x360 [ 4007.775200][ T74] netlink_unicast+0x449/0x710 [ 4007.775200][ T74] netlink_sendmsg+0x723/0xbe0 [ 4007.775200][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4007.775200][ T74] ___sys_sendmsg+0xee/0x170 [ 4007.775200][ T74] __sys_sendmsg+0xcd/0x170 [ 4007.775200][ T74] do_syscall_64+0xc6/0x1e0 [ 4007.775200][ T74] [ 4007.777147][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4007.777147][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4007.777147][ T74] ipv6_find_idev+0x102/0x170 [ 4007.777147][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4007.777147][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4007.777147][ T74] netlink_rcv_skb+0x130/0x360 [ 4007.777147][ T74] netlink_unicast+0x449/0x710 [ 4007.777147][ T74] netlink_sendmsg+0x723/0xbe0 [ 4007.777147][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4007.777147][ T74] ___sys_sendmsg+0xee/0x170 [ 4007.777147][ T74] __sys_sendmsg+0xcd/0x170 [ 4007.777147][ T74] do_syscall_64+0xc6/0x1e0 [ 4007.777147][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4007.777147][ T74] [ 4007.778865][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4007.778865][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4007.778865][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4007.778865][ T74] ipv6_find_idev+0x102/0x170 [ 4007.778865][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4007.778865][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4007.778865][ T74] netlink_rcv_skb+0x130/0x360 [ 4007.778865][ T74] netlink_unicast+0x449/0x710 [ 4007.778865][ T74] netlink_sendmsg+0x723/0xbe0 [ 4007.778865][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4007.778865][ T74] ___sys_sendmsg+0xee/0x170 [ 4007.778865][ T74] __sys_sendmsg+0xcd/0x170 [ 4007.778865][ T74] do_syscall_64+0xc6/0x1e0 [ 4007.778865][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4007.778865][ T74] [ 4007.780813][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4007.781070][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4007.781070][ T74] netdev_get_by_index+0x5e/0x80 [ 4007.781070][ T74] fib6_nh_init+0x3d8/0x1580 [ 4007.781070][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4007.781070][ T74] ip6_route_add+0x1c/0x140 [ 4007.781070][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4007.781070][ T74] inet6_addr_add+0x4f8/0xa40 [ 4007.781070][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4007.781070][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4007.781070][ T74] netlink_rcv_skb+0x130/0x360 [ 4007.781070][ T74] netlink_unicast+0x449/0x710 [ 4007.781070][ T74] netlink_sendmsg+0x723/0xbe0 [ 4007.781070][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4007.781070][ T74] ___sys_sendmsg+0xee/0x170 [ 4007.781070][ T74] __sys_sendmsg+0xcd/0x170 [ 4007.781070][ T74] do_syscall_64+0xc6/0x1e0 [ 4007.781070][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4007.781070][ T74] [ 4007.783304][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4007.783304][ T74] netdev_get_by_index+0x5e/0x80 [ 4007.783304][ T74] fib6_nh_init+0x3d8/0x1580 [ 4007.783304][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4007.783304][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4007.783304][ T74] ipv6_add_addr+0x411/0x2000 [ 4007.783304][ T74] inet6_addr_add+0x30e/0xa40 [ 4007.783304][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4007.783304][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4007.783304][ T74] netlink_rcv_skb+0x130/0x360 [ 4007.783304][ T74] netlink_unicast+0x449/0x710 [ 4007.783304][ T74] netlink_sendmsg+0x723/0xbe0 [ 4007.783304][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4007.783304][ T74] ___sys_sendmsg+0xee/0x170 [ 4007.783304][ T74] __sys_sendmsg+0xcd/0x170 [ 4007.783304][ T74] do_syscall_64+0xc6/0x1e0 [ 4007.783304][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4007.783304][ T74] [ 4007.785541][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4007.785541][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4007.785541][ T74] ipv6_find_idev+0x102/0x170 [ 4007.785541][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4007.785541][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4007.785541][ T74] netlink_rcv_skb+0x130/0x360 [ 4007.785541][ T74] netlink_unicast+0x449/0x710 [ 4007.785541][ T74] netlink_sendmsg+0x723/0xbe0 [ 4007.785541][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4007.785541][ T74] ___sys_sendmsg+0xee/0x170 [ 4007.785541][ T74] __sys_sendmsg+0xcd/0x170 [ 4007.785541][ T74] do_syscall_64+0xc6/0x1e0 [ 4007.785541][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4007.785541][ T74] [ 4007.787197][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4007.787197][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4007.787197][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4007.787197][ T74] ipv6_find_idev+0x102/0x170 [ 4007.787197][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4007.787197][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4007.787197][ T74] netlink_rcv_skb+0x130/0x360 [ 4007.787197][ T74] netlink_unicast+0x449/0x710 [ 4007.787197][ T74] netlink_sendmsg+0x723/0xbe0 [ 4007.787197][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4007.787197][ T74] ___sys_sendmsg+0xee/0x170 [ 4007.787197][ T74] __sys_sendmsg+0xcd/0x170 [ 4007.787197][ T74] do_syscall_64+0xc6/0x1e0 [ 4007.787197][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4007.787197][ T74] [ 4018.031947][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4018.032393][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4018.032393][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4018.032393][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4018.032393][ T74] fib6_nh_init+0xa22/0x1580 [ 4018.032393][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4018.032393][ T74] ip6_route_add+0x1c/0x140 [ 4018.032393][ T74] inet6_rtm_newroute+0x104/0x110 [ 4018.032393][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4018.032393][ T74] netlink_rcv_skb+0x130/0x360 [ 4018.032393][ T74] netlink_unicast+0x449/0x710 [ 4018.032393][ T74] netlink_sendmsg+0x723/0xbe0 [ 4018.032393][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4018.032393][ T74] ___sys_sendmsg+0xee/0x170 [ 4018.032393][ T74] __sys_sendmsg+0xcd/0x170 [ 4018.032393][ T74] do_syscall_64+0xc6/0x1e0 [ 4018.032393][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4018.032393][ T74] [ 4018.034284][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4018.034284][ T74] netdev_get_by_index+0x5e/0x80 [ 4018.034284][ T74] fib6_nh_init+0x3d8/0x1580 [ 4018.034284][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4018.034284][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4018.034284][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4018.034284][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4018.034284][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4018.034284][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4018.034284][ T74] addrconf_dad_begin+0x310/0x670 [ 4018.034284][ T74] addrconf_dad_work+0x10b/0xab0 [ 4018.034284][ T74] process_one_work+0x84d/0x18a0 [ 4018.034284][ T74] worker_thread+0x587/0xd30 [ 4018.034284][ T74] kthread+0x28a/0x350 [ 4018.034284][ T74] ret_from_fork+0x31/0x70 [ 4018.034284][ T74] ret_from_fork_asm+0x1a/0x30 [ 4018.034284][ T74] [ 4018.036191][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4018.036191][ T74] netdev_get_by_index+0x5e/0x80 [ 4018.036191][ T74] fib6_nh_init+0x3d8/0x1580 [ 4018.036191][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4018.036191][ T74] ip6_route_add+0x1c/0x140 [ 4018.036191][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4018.036191][ T74] inet6_addr_add+0x4f8/0xa40 [ 4018.036191][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4018.036191][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4018.036191][ T74] netlink_rcv_skb+0x130/0x360 [ 4018.036191][ T74] netlink_unicast+0x449/0x710 [ 4018.036191][ T74] netlink_sendmsg+0x723/0xbe0 [ 4018.036191][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4018.036191][ T74] ___sys_sendmsg+0xee/0x170 [ 4018.036191][ T74] __sys_sendmsg+0xcd/0x170 [ 4018.036191][ T74] do_syscall_64+0xc6/0x1e0 [ 4018.036191][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4018.036191][ T74] [ 4018.038184][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4018.038184][ T74] netdev_get_by_index+0x5e/0x80 [ 4018.038184][ T74] fib6_nh_init+0x3d8/0x1580 [ 4018.038184][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4018.038184][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4018.038184][ T74] ipv6_add_addr+0x411/0x2000 [ 4018.038184][ T74] inet6_addr_add+0x30e/0xa40 [ 4018.038184][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4018.038184][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4018.038184][ T74] netlink_rcv_skb+0x130/0x360 [ 4018.038184][ T74] netlink_unicast+0x449/0x710 [ 4018.038184][ T74] netlink_sendmsg+0x723/0xbe0 [ 4018.038184][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4018.038184][ T74] ___sys_sendmsg+0xee/0x170 [ 4018.038184][ T74] __sys_sendmsg+0xcd/0x170 [ 4018.038184][ T74] do_syscall_64+0xc6/0x1e0 [ 4018.038184][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4018.038184][ T74] [ 4018.040191][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4018.040191][ T74] netdev_get_by_index+0x5e/0x80 [ 4018.040191][ T74] fib6_nh_init+0x3d8/0x1580 [ 4018.040191][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4018.040191][ T74] ip6_route_add+0x1c/0x140 [ 4018.040191][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4018.040191][ T74] addrconf_add_dev+0xe2/0x170 [ 4018.040191][ T74] inet6_addr_add+0x12f/0xa40 [ 4018.040191][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4018.040191][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4018.040191][ T74] netlink_rcv_skb+0x130/0x360 [ 4018.040191][ T74] netlink_unicast+0x449/0x710 [ 4018.040191][ T74] netlink_sendmsg+0x723/0xbe0 [ 4018.040191][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4018.040191][ T74] ___sys_sendmsg+0xee/0x170 [ 4018.040191][ T74] __sys_sendmsg+0xcd/0x170 [ 4018.040191][ T74] do_syscall_64+0xc6/0x1e0 [ 4018.040191][ T74] [ 4018.042147][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4018.042147][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4018.042147][ T74] ipv6_find_idev+0x102/0x170 [ 4018.042147][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4018.042147][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4018.042147][ T74] netlink_rcv_skb+0x130/0x360 [ 4018.042147][ T74] netlink_unicast+0x449/0x710 [ 4018.042147][ T74] netlink_sendmsg+0x723/0xbe0 [ 4018.042147][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4018.042147][ T74] ___sys_sendmsg+0xee/0x170 [ 4018.042147][ T74] __sys_sendmsg+0xcd/0x170 [ 4018.042147][ T74] do_syscall_64+0xc6/0x1e0 [ 4018.042147][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4018.042147][ T74] [ 4018.043681][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4018.043681][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4018.043681][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4018.043681][ T74] ipv6_find_idev+0x102/0x170 [ 4018.043681][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4018.043681][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4018.043681][ T74] netlink_rcv_skb+0x130/0x360 [ 4018.043681][ T74] netlink_unicast+0x449/0x710 [ 4018.043681][ T74] netlink_sendmsg+0x723/0xbe0 [ 4018.043681][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4018.043681][ T74] ___sys_sendmsg+0xee/0x170 [ 4018.043681][ T74] __sys_sendmsg+0xcd/0x170 [ 4018.043681][ T74] do_syscall_64+0xc6/0x1e0 [ 4018.043681][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4018.043681][ T74] [ 4018.045364][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4018.046168][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4018.046168][ T74] dst_init+0x84/0x4a0 [ 4018.046168][ T74] dst_alloc+0x97/0x150 [ 4018.046168][ T74] ip6_dst_alloc+0x23/0x90 [ 4018.046168][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4018.046168][ T74] ip6_pol_route+0x56f/0x840 [ 4018.046168][ T74] fib6_rule_lookup+0x456/0x630 [ 4018.046168][ T74] ip6_route_input+0x59c/0xa50 [ 4018.046168][ T74] ipv6_rcv+0x397/0x810 [ 4018.046168][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4018.046168][ T74] process_backlog+0x101/0x620 [ 4018.046168][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4018.046168][ T74] net_rx_action+0x495/0xbe0 [ 4018.046168][ T74] __do_softirq+0x1b5/0x7f6 [ 4018.046168][ T74] [ 4018.047802][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4018.047802][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4018.047802][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4018.047802][ T74] fib6_nh_init+0xa22/0x1580 [ 4018.047802][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4018.047802][ T74] ip6_route_add+0x1c/0x140 [ 4018.047802][ T74] inet6_rtm_newroute+0x104/0x110 [ 4018.047802][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4018.047802][ T74] netlink_rcv_skb+0x130/0x360 [ 4018.047802][ T74] netlink_unicast+0x449/0x710 [ 4018.047802][ T74] netlink_sendmsg+0x723/0xbe0 [ 4018.047802][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4018.047802][ T74] ___sys_sendmsg+0xee/0x170 [ 4018.047802][ T74] __sys_sendmsg+0xcd/0x170 [ 4018.047802][ T74] do_syscall_64+0xc6/0x1e0 [ 4018.047802][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4018.047802][ T74] [ 4018.049676][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4018.049676][ T74] netdev_get_by_index+0x5e/0x80 [ 4018.049676][ T74] fib6_nh_init+0x3d8/0x1580 [ 4018.049676][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4018.049676][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4018.049676][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4018.049676][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4018.049676][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4018.049676][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4018.049676][ T74] addrconf_dad_begin+0x310/0x670 [ 4018.049676][ T74] addrconf_dad_work+0x10b/0xab0 [ 4018.049676][ T74] process_one_work+0x84d/0x18a0 [ 4018.049676][ T74] worker_thread+0x587/0xd30 [ 4018.049676][ T74] kthread+0x28a/0x350 [ 4018.049676][ T74] ret_from_fork+0x31/0x70 [ 4018.049676][ T74] ret_from_fork_asm+0x1a/0x30 [ 4018.049676][ T74] [ 4018.051581][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4018.051581][ T74] netdev_get_by_index+0x5e/0x80 [ 4018.051581][ T74] fib6_nh_init+0x3d8/0x1580 [ 4018.051581][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4018.051581][ T74] ip6_route_add+0x1c/0x140 [ 4018.051581][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4018.051581][ T74] inet6_addr_add+0x4f8/0xa40 [ 4018.051581][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4018.051581][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4018.051581][ T74] netlink_rcv_skb+0x130/0x360 [ 4018.051581][ T74] netlink_unicast+0x449/0x710 [ 4018.051581][ T74] netlink_sendmsg+0x723/0xbe0 [ 4018.051581][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4018.051581][ T74] ___sys_sendmsg+0xee/0x170 [ 4018.051581][ T74] __sys_sendmsg+0xcd/0x170 [ 4018.051581][ T74] do_syscall_64+0xc6/0x1e0 [ 4018.051581][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4018.051581][ T74] [ 4018.053575][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4018.053575][ T74] netdev_get_by_index+0x5e/0x80 [ 4018.053575][ T74] fib6_nh_init+0x3d8/0x1580 [ 4018.053575][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4018.053575][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4018.053575][ T74] ipv6_add_addr+0x411/0x2000 [ 4018.053575][ T74] inet6_addr_add+0x30e/0xa40 [ 4018.053575][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4018.053575][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4018.053575][ T74] netlink_rcv_skb+0x130/0x360 [ 4018.053575][ T74] netlink_unicast+0x449/0x710 [ 4018.053575][ T74] netlink_sendmsg+0x723/0xbe0 [ 4018.053575][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4018.053575][ T74] ___sys_sendmsg+0xee/0x170 [ 4018.053575][ T74] __sys_sendmsg+0xcd/0x170 [ 4018.053575][ T74] do_syscall_64+0xc6/0x1e0 [ 4018.053575][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4018.053575][ T74] [ 4018.055558][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4018.055558][ T74] netdev_get_by_index+0x5e/0x80 [ 4018.055558][ T74] fib6_nh_init+0x3d8/0x1580 [ 4018.055558][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4018.055558][ T74] ip6_route_add+0x1c/0x140 [ 4018.055558][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4018.055558][ T74] addrconf_add_dev+0xe2/0x170 [ 4018.055558][ T74] inet6_addr_add+0x12f/0xa40 [ 4018.055558][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4018.055558][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4018.055558][ T74] netlink_rcv_skb+0x130/0x360 [ 4018.055558][ T74] netlink_unicast+0x449/0x710 [ 4018.055558][ T74] netlink_sendmsg+0x723/0xbe0 [ 4018.055558][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4018.055558][ T74] ___sys_sendmsg+0xee/0x170 [ 4018.055558][ T74] __sys_sendmsg+0xcd/0x170 [ 4018.055558][ T74] do_syscall_64+0xc6/0x1e0 [ 4018.055558][ T74] [ 4018.057515][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4018.057515][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4018.057515][ T74] ipv6_find_idev+0x102/0x170 [ 4018.057515][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4018.057515][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4018.057515][ T74] netlink_rcv_skb+0x130/0x360 [ 4018.057515][ T74] netlink_unicast+0x449/0x710 [ 4018.057515][ T74] netlink_sendmsg+0x723/0xbe0 [ 4018.057515][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4018.057515][ T74] ___sys_sendmsg+0xee/0x170 [ 4018.057515][ T74] __sys_sendmsg+0xcd/0x170 [ 4018.057515][ T74] do_syscall_64+0xc6/0x1e0 [ 4018.057515][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4018.057515][ T74] [ 4018.059225][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4018.059225][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4018.059225][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4018.059225][ T74] ipv6_find_idev+0x102/0x170 [ 4018.059225][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4018.059225][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4018.059225][ T74] netlink_rcv_skb+0x130/0x360 [ 4018.059225][ T74] netlink_unicast+0x449/0x710 [ 4018.059225][ T74] netlink_sendmsg+0x723/0xbe0 [ 4018.059225][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4018.059225][ T74] ___sys_sendmsg+0xee/0x170 [ 4018.059225][ T74] __sys_sendmsg+0xcd/0x170 [ 4018.059225][ T74] do_syscall_64+0xc6/0x1e0 [ 4018.059225][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4018.059225][ T74] [ 4018.061180][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4018.061428][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4018.061428][ T74] netdev_get_by_index+0x5e/0x80 [ 4018.061428][ T74] fib6_nh_init+0x3d8/0x1580 [ 4018.061428][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4018.061428][ T74] ip6_route_add+0x1c/0x140 [ 4018.061428][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4018.061428][ T74] inet6_addr_add+0x4f8/0xa40 [ 4018.061428][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4018.061428][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4018.061428][ T74] netlink_rcv_skb+0x130/0x360 [ 4018.061428][ T74] netlink_unicast+0x449/0x710 [ 4018.061428][ T74] netlink_sendmsg+0x723/0xbe0 [ 4018.061428][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4018.061428][ T74] ___sys_sendmsg+0xee/0x170 [ 4018.061428][ T74] __sys_sendmsg+0xcd/0x170 [ 4018.061428][ T74] do_syscall_64+0xc6/0x1e0 [ 4018.061428][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4018.061428][ T74] [ 4018.063657][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4018.063657][ T74] netdev_get_by_index+0x5e/0x80 [ 4018.063657][ T74] fib6_nh_init+0x3d8/0x1580 [ 4018.063657][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4018.063657][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4018.063657][ T74] ipv6_add_addr+0x411/0x2000 [ 4018.063657][ T74] inet6_addr_add+0x30e/0xa40 [ 4018.063657][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4018.063657][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4018.063657][ T74] netlink_rcv_skb+0x130/0x360 [ 4018.063657][ T74] netlink_unicast+0x449/0x710 [ 4018.063657][ T74] netlink_sendmsg+0x723/0xbe0 [ 4018.063657][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4018.063657][ T74] ___sys_sendmsg+0xee/0x170 [ 4018.063657][ T74] __sys_sendmsg+0xcd/0x170 [ 4018.063657][ T74] do_syscall_64+0xc6/0x1e0 [ 4018.063657][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4018.063657][ T74] [ 4018.065872][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4018.065872][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4018.065872][ T74] ipv6_find_idev+0x102/0x170 [ 4018.065872][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4018.065872][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4018.065872][ T74] netlink_rcv_skb+0x130/0x360 [ 4018.065872][ T74] netlink_unicast+0x449/0x710 [ 4018.065872][ T74] netlink_sendmsg+0x723/0xbe0 [ 4018.065872][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4018.065872][ T74] ___sys_sendmsg+0xee/0x170 [ 4018.065872][ T74] __sys_sendmsg+0xcd/0x170 [ 4018.065872][ T74] do_syscall_64+0xc6/0x1e0 [ 4018.065872][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4018.065872][ T74] [ 4018.067578][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4018.067578][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4018.067578][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4018.067578][ T74] ipv6_find_idev+0x102/0x170 [ 4018.067578][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4018.067578][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4018.067578][ T74] netlink_rcv_skb+0x130/0x360 [ 4018.067578][ T74] netlink_unicast+0x449/0x710 [ 4018.067578][ T74] netlink_sendmsg+0x723/0xbe0 [ 4018.067578][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4018.067578][ T74] ___sys_sendmsg+0xee/0x170 [ 4018.067578][ T74] __sys_sendmsg+0xcd/0x170 [ 4018.067578][ T74] do_syscall_64+0xc6/0x1e0 [ 4018.067578][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4018.067578][ T74] [ 4028.311977][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4028.312338][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4028.312338][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4028.312338][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4028.312338][ T74] fib6_nh_init+0xa22/0x1580 [ 4028.312338][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4028.312338][ T74] ip6_route_add+0x1c/0x140 [ 4028.312338][ T74] inet6_rtm_newroute+0x104/0x110 [ 4028.312338][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4028.312338][ T74] netlink_rcv_skb+0x130/0x360 [ 4028.312338][ T74] netlink_unicast+0x449/0x710 [ 4028.312338][ T74] netlink_sendmsg+0x723/0xbe0 [ 4028.312338][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4028.312338][ T74] ___sys_sendmsg+0xee/0x170 [ 4028.312338][ T74] __sys_sendmsg+0xcd/0x170 [ 4028.312338][ T74] do_syscall_64+0xc6/0x1e0 [ 4028.312338][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4028.312338][ T74] [ 4028.314279][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4028.314279][ T74] netdev_get_by_index+0x5e/0x80 [ 4028.314279][ T74] fib6_nh_init+0x3d8/0x1580 [ 4028.314279][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4028.314279][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4028.314279][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4028.314279][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4028.314279][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4028.314279][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4028.314279][ T74] addrconf_dad_begin+0x310/0x670 [ 4028.314279][ T74] addrconf_dad_work+0x10b/0xab0 [ 4028.314279][ T74] process_one_work+0x84d/0x18a0 [ 4028.314279][ T74] worker_thread+0x587/0xd30 [ 4028.314279][ T74] kthread+0x28a/0x350 [ 4028.314279][ T74] ret_from_fork+0x31/0x70 [ 4028.314279][ T74] ret_from_fork_asm+0x1a/0x30 [ 4028.314279][ T74] [ 4028.316188][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4028.316188][ T74] netdev_get_by_index+0x5e/0x80 [ 4028.316188][ T74] fib6_nh_init+0x3d8/0x1580 [ 4028.316188][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4028.316188][ T74] ip6_route_add+0x1c/0x140 [ 4028.316188][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4028.316188][ T74] inet6_addr_add+0x4f8/0xa40 [ 4028.316188][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4028.316188][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4028.316188][ T74] netlink_rcv_skb+0x130/0x360 [ 4028.316188][ T74] netlink_unicast+0x449/0x710 [ 4028.316188][ T74] netlink_sendmsg+0x723/0xbe0 [ 4028.316188][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4028.316188][ T74] ___sys_sendmsg+0xee/0x170 [ 4028.316188][ T74] __sys_sendmsg+0xcd/0x170 [ 4028.316188][ T74] do_syscall_64+0xc6/0x1e0 [ 4028.316188][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4028.316188][ T74] [ 4028.318180][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4028.318180][ T74] netdev_get_by_index+0x5e/0x80 [ 4028.318180][ T74] fib6_nh_init+0x3d8/0x1580 [ 4028.318180][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4028.318180][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4028.318180][ T74] ipv6_add_addr+0x411/0x2000 [ 4028.318180][ T74] inet6_addr_add+0x30e/0xa40 [ 4028.318180][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4028.318180][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4028.318180][ T74] netlink_rcv_skb+0x130/0x360 [ 4028.318180][ T74] netlink_unicast+0x449/0x710 [ 4028.318180][ T74] netlink_sendmsg+0x723/0xbe0 [ 4028.318180][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4028.318180][ T74] ___sys_sendmsg+0xee/0x170 [ 4028.318180][ T74] __sys_sendmsg+0xcd/0x170 [ 4028.318180][ T74] do_syscall_64+0xc6/0x1e0 [ 4028.318180][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4028.318180][ T74] [ 4028.320217][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4028.320217][ T74] netdev_get_by_index+0x5e/0x80 [ 4028.320217][ T74] fib6_nh_init+0x3d8/0x1580 [ 4028.320217][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4028.320217][ T74] ip6_route_add+0x1c/0x140 [ 4028.320217][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4028.320217][ T74] addrconf_add_dev+0xe2/0x170 [ 4028.320217][ T74] inet6_addr_add+0x12f/0xa40 [ 4028.320217][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4028.320217][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4028.320217][ T74] netlink_rcv_skb+0x130/0x360 [ 4028.320217][ T74] netlink_unicast+0x449/0x710 [ 4028.320217][ T74] netlink_sendmsg+0x723/0xbe0 [ 4028.320217][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4028.320217][ T74] ___sys_sendmsg+0xee/0x170 [ 4028.320217][ T74] __sys_sendmsg+0xcd/0x170 [ 4028.320217][ T74] do_syscall_64+0xc6/0x1e0 [ 4028.320217][ T74] [ 4028.322198][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4028.322198][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4028.322198][ T74] ipv6_find_idev+0x102/0x170 [ 4028.322198][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4028.322198][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4028.322198][ T74] netlink_rcv_skb+0x130/0x360 [ 4028.322198][ T74] netlink_unicast+0x449/0x710 [ 4028.322198][ T74] netlink_sendmsg+0x723/0xbe0 [ 4028.322198][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4028.322198][ T74] ___sys_sendmsg+0xee/0x170 [ 4028.322198][ T74] __sys_sendmsg+0xcd/0x170 [ 4028.322198][ T74] do_syscall_64+0xc6/0x1e0 [ 4028.322198][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4028.322198][ T74] [ 4028.323763][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4028.323763][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4028.323763][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4028.323763][ T74] ipv6_find_idev+0x102/0x170 [ 4028.323763][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4028.323763][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4028.323763][ T74] netlink_rcv_skb+0x130/0x360 [ 4028.323763][ T74] netlink_unicast+0x449/0x710 [ 4028.323763][ T74] netlink_sendmsg+0x723/0xbe0 [ 4028.323763][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4028.323763][ T74] ___sys_sendmsg+0xee/0x170 [ 4028.323763][ T74] __sys_sendmsg+0xcd/0x170 [ 4028.323763][ T74] do_syscall_64+0xc6/0x1e0 [ 4028.323763][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4028.323763][ T74] [ 4028.325484][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4028.325752][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4028.325752][ T74] dst_init+0x84/0x4a0 [ 4028.325752][ T74] dst_alloc+0x97/0x150 [ 4028.325752][ T74] ip6_dst_alloc+0x23/0x90 [ 4028.325752][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4028.325752][ T74] ip6_pol_route+0x56f/0x840 [ 4028.325752][ T74] fib6_rule_lookup+0x456/0x630 [ 4028.325752][ T74] ip6_route_input+0x59c/0xa50 [ 4028.325752][ T74] ipv6_rcv+0x397/0x810 [ 4028.325752][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4028.325752][ T74] process_backlog+0x101/0x620 [ 4028.325752][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4028.325752][ T74] net_rx_action+0x495/0xbe0 [ 4028.325752][ T74] __do_softirq+0x1b5/0x7f6 [ 4028.325752][ T74] [ 4028.327381][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4028.327381][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4028.327381][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4028.327381][ T74] fib6_nh_init+0xa22/0x1580 [ 4028.327381][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4028.327381][ T74] ip6_route_add+0x1c/0x140 [ 4028.327381][ T74] inet6_rtm_newroute+0x104/0x110 [ 4028.327381][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4028.327381][ T74] netlink_rcv_skb+0x130/0x360 [ 4028.327381][ T74] netlink_unicast+0x449/0x710 [ 4028.327381][ T74] netlink_sendmsg+0x723/0xbe0 [ 4028.327381][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4028.327381][ T74] ___sys_sendmsg+0xee/0x170 [ 4028.327381][ T74] __sys_sendmsg+0xcd/0x170 [ 4028.327381][ T74] do_syscall_64+0xc6/0x1e0 [ 4028.327381][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4028.327381][ T74] [ 4028.329261][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4028.329261][ T74] netdev_get_by_index+0x5e/0x80 [ 4028.329261][ T74] fib6_nh_init+0x3d8/0x1580 [ 4028.329261][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4028.329261][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4028.329261][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4028.329261][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4028.329261][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4028.329261][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4028.329261][ T74] addrconf_dad_begin+0x310/0x670 [ 4028.329261][ T74] addrconf_dad_work+0x10b/0xab0 [ 4028.329261][ T74] process_one_work+0x84d/0x18a0 [ 4028.329261][ T74] worker_thread+0x587/0xd30 [ 4028.329261][ T74] kthread+0x28a/0x350 [ 4028.329261][ T74] ret_from_fork+0x31/0x70 [ 4028.329261][ T74] ret_from_fork_asm+0x1a/0x30 [ 4028.329261][ T74] [ 4028.331207][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4028.331207][ T74] netdev_get_by_index+0x5e/0x80 [ 4028.331207][ T74] fib6_nh_init+0x3d8/0x1580 [ 4028.331207][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4028.331207][ T74] ip6_route_add+0x1c/0x140 [ 4028.331207][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4028.331207][ T74] inet6_addr_add+0x4f8/0xa40 [ 4028.331207][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4028.331207][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4028.331207][ T74] netlink_rcv_skb+0x130/0x360 [ 4028.331207][ T74] netlink_unicast+0x449/0x710 [ 4028.331207][ T74] netlink_sendmsg+0x723/0xbe0 [ 4028.331207][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4028.331207][ T74] ___sys_sendmsg+0xee/0x170 [ 4028.331207][ T74] __sys_sendmsg+0xcd/0x170 [ 4028.331207][ T74] do_syscall_64+0xc6/0x1e0 [ 4028.331207][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4028.331207][ T74] [ 4028.333197][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4028.333197][ T74] netdev_get_by_index+0x5e/0x80 [ 4028.333197][ T74] fib6_nh_init+0x3d8/0x1580 [ 4028.333197][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4028.333197][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4028.333197][ T74] ipv6_add_addr+0x411/0x2000 [ 4028.333197][ T74] inet6_addr_add+0x30e/0xa40 [ 4028.333197][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4028.333197][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4028.333197][ T74] netlink_rcv_skb+0x130/0x360 [ 4028.333197][ T74] netlink_unicast+0x449/0x710 [ 4028.333197][ T74] netlink_sendmsg+0x723/0xbe0 [ 4028.333197][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4028.333197][ T74] ___sys_sendmsg+0xee/0x170 [ 4028.333197][ T74] __sys_sendmsg+0xcd/0x170 [ 4028.333197][ T74] do_syscall_64+0xc6/0x1e0 [ 4028.333197][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4028.333197][ T74] [ 4028.335181][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4028.335181][ T74] netdev_get_by_index+0x5e/0x80 [ 4028.335181][ T74] fib6_nh_init+0x3d8/0x1580 [ 4028.335181][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4028.335181][ T74] ip6_route_add+0x1c/0x140 [ 4028.335181][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4028.335181][ T74] addrconf_add_dev+0xe2/0x170 [ 4028.335181][ T74] inet6_addr_add+0x12f/0xa40 [ 4028.335181][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4028.335181][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4028.335181][ T74] netlink_rcv_skb+0x130/0x360 [ 4028.335181][ T74] netlink_unicast+0x449/0x710 [ 4028.335181][ T74] netlink_sendmsg+0x723/0xbe0 [ 4028.335181][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4028.335181][ T74] ___sys_sendmsg+0xee/0x170 [ 4028.335181][ T74] __sys_sendmsg+0xcd/0x170 [ 4028.335181][ T74] do_syscall_64+0xc6/0x1e0 [ 4028.335181][ T74] [ 4028.337183][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4028.337183][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4028.337183][ T74] ipv6_find_idev+0x102/0x170 [ 4028.337183][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4028.337183][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4028.337183][ T74] netlink_rcv_skb+0x130/0x360 [ 4028.337183][ T74] netlink_unicast+0x449/0x710 [ 4028.337183][ T74] netlink_sendmsg+0x723/0xbe0 [ 4028.337183][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4028.337183][ T74] ___sys_sendmsg+0xee/0x170 [ 4028.337183][ T74] __sys_sendmsg+0xcd/0x170 [ 4028.337183][ T74] do_syscall_64+0xc6/0x1e0 [ 4028.337183][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4028.337183][ T74] [ 4028.338941][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4028.338941][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4028.338941][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4028.338941][ T74] ipv6_find_idev+0x102/0x170 [ 4028.338941][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4028.338941][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4028.338941][ T74] netlink_rcv_skb+0x130/0x360 [ 4028.338941][ T74] netlink_unicast+0x449/0x710 [ 4028.338941][ T74] netlink_sendmsg+0x723/0xbe0 [ 4028.338941][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4028.338941][ T74] ___sys_sendmsg+0xee/0x170 [ 4028.338941][ T74] __sys_sendmsg+0xcd/0x170 [ 4028.338941][ T74] do_syscall_64+0xc6/0x1e0 [ 4028.338941][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4028.338941][ T74] [ 4028.340879][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4028.341119][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4028.341119][ T74] netdev_get_by_index+0x5e/0x80 [ 4028.341119][ T74] fib6_nh_init+0x3d8/0x1580 [ 4028.341119][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4028.341119][ T74] ip6_route_add+0x1c/0x140 [ 4028.341119][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4028.341119][ T74] inet6_addr_add+0x4f8/0xa40 [ 4028.341119][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4028.341119][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4028.341119][ T74] netlink_rcv_skb+0x130/0x360 [ 4028.341119][ T74] netlink_unicast+0x449/0x710 [ 4028.341119][ T74] netlink_sendmsg+0x723/0xbe0 [ 4028.341119][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4028.341119][ T74] ___sys_sendmsg+0xee/0x170 [ 4028.341119][ T74] __sys_sendmsg+0xcd/0x170 [ 4028.341119][ T74] do_syscall_64+0xc6/0x1e0 [ 4028.341119][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4028.341119][ T74] [ 4028.343375][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4028.343375][ T74] netdev_get_by_index+0x5e/0x80 [ 4028.343375][ T74] fib6_nh_init+0x3d8/0x1580 [ 4028.343375][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4028.343375][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4028.343375][ T74] ipv6_add_addr+0x411/0x2000 [ 4028.343375][ T74] inet6_addr_add+0x30e/0xa40 [ 4028.343375][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4028.343375][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4028.343375][ T74] netlink_rcv_skb+0x130/0x360 [ 4028.343375][ T74] netlink_unicast+0x449/0x710 [ 4028.343375][ T74] netlink_sendmsg+0x723/0xbe0 [ 4028.343375][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4028.343375][ T74] ___sys_sendmsg+0xee/0x170 [ 4028.343375][ T74] __sys_sendmsg+0xcd/0x170 [ 4028.343375][ T74] do_syscall_64+0xc6/0x1e0 [ 4028.343375][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4028.343375][ T74] [ 4028.345622][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4028.345622][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4028.345622][ T74] ipv6_find_idev+0x102/0x170 [ 4028.345622][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4028.345622][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4028.345622][ T74] netlink_rcv_skb+0x130/0x360 [ 4028.345622][ T74] netlink_unicast+0x449/0x710 [ 4028.345622][ T74] netlink_sendmsg+0x723/0xbe0 [ 4028.345622][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4028.345622][ T74] ___sys_sendmsg+0xee/0x170 [ 4028.345622][ T74] __sys_sendmsg+0xcd/0x170 [ 4028.345622][ T74] do_syscall_64+0xc6/0x1e0 [ 4028.345622][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4028.345622][ T74] [ 4028.347360][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4028.347360][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4028.347360][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4028.347360][ T74] ipv6_find_idev+0x102/0x170 [ 4028.347360][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4028.347360][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4028.347360][ T74] netlink_rcv_skb+0x130/0x360 [ 4028.347360][ T74] netlink_unicast+0x449/0x710 [ 4028.347360][ T74] netlink_sendmsg+0x723/0xbe0 [ 4028.347360][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4028.347360][ T74] ___sys_sendmsg+0xee/0x170 [ 4028.347360][ T74] __sys_sendmsg+0xcd/0x170 [ 4028.347360][ T74] do_syscall_64+0xc6/0x1e0 [ 4028.347360][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4028.347360][ T74] [ 4038.431958][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4038.432332][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4038.432332][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4038.432332][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4038.432332][ T74] fib6_nh_init+0xa22/0x1580 [ 4038.432332][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4038.432332][ T74] ip6_route_add+0x1c/0x140 [ 4038.432332][ T74] inet6_rtm_newroute+0x104/0x110 [ 4038.432332][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4038.432332][ T74] netlink_rcv_skb+0x130/0x360 [ 4038.432332][ T74] netlink_unicast+0x449/0x710 [ 4038.432332][ T74] netlink_sendmsg+0x723/0xbe0 [ 4038.432332][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4038.432332][ T74] ___sys_sendmsg+0xee/0x170 [ 4038.432332][ T74] __sys_sendmsg+0xcd/0x170 [ 4038.432332][ T74] do_syscall_64+0xc6/0x1e0 [ 4038.432332][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4038.432332][ T74] [ 4038.434303][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4038.434303][ T74] netdev_get_by_index+0x5e/0x80 [ 4038.434303][ T74] fib6_nh_init+0x3d8/0x1580 [ 4038.434303][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4038.434303][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4038.434303][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4038.434303][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4038.434303][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4038.434303][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4038.434303][ T74] addrconf_dad_begin+0x310/0x670 [ 4038.434303][ T74] addrconf_dad_work+0x10b/0xab0 [ 4038.434303][ T74] process_one_work+0x84d/0x18a0 [ 4038.434303][ T74] worker_thread+0x587/0xd30 [ 4038.434303][ T74] kthread+0x28a/0x350 [ 4038.434303][ T74] ret_from_fork+0x31/0x70 [ 4038.434303][ T74] ret_from_fork_asm+0x1a/0x30 [ 4038.434303][ T74] [ 4038.436265][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4038.436265][ T74] netdev_get_by_index+0x5e/0x80 [ 4038.436265][ T74] fib6_nh_init+0x3d8/0x1580 [ 4038.436265][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4038.436265][ T74] ip6_route_add+0x1c/0x140 [ 4038.436265][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4038.436265][ T74] inet6_addr_add+0x4f8/0xa40 [ 4038.436265][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4038.436265][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4038.436265][ T74] netlink_rcv_skb+0x130/0x360 [ 4038.436265][ T74] netlink_unicast+0x449/0x710 [ 4038.436265][ T74] netlink_sendmsg+0x723/0xbe0 [ 4038.436265][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4038.436265][ T74] ___sys_sendmsg+0xee/0x170 [ 4038.436265][ T74] __sys_sendmsg+0xcd/0x170 [ 4038.436265][ T74] do_syscall_64+0xc6/0x1e0 [ 4038.436265][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4038.436265][ T74] [ 4038.438314][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4038.438314][ T74] netdev_get_by_index+0x5e/0x80 [ 4038.438314][ T74] fib6_nh_init+0x3d8/0x1580 [ 4038.438314][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4038.438314][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4038.438314][ T74] ipv6_add_addr+0x411/0x2000 [ 4038.438314][ T74] inet6_addr_add+0x30e/0xa40 [ 4038.438314][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4038.438314][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4038.438314][ T74] netlink_rcv_skb+0x130/0x360 [ 4038.438314][ T74] netlink_unicast+0x449/0x710 [ 4038.438314][ T74] netlink_sendmsg+0x723/0xbe0 [ 4038.438314][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4038.438314][ T74] ___sys_sendmsg+0xee/0x170 [ 4038.438314][ T74] __sys_sendmsg+0xcd/0x170 [ 4038.438314][ T74] do_syscall_64+0xc6/0x1e0 [ 4038.438314][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4038.438314][ T74] [ 4038.440358][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4038.440358][ T74] netdev_get_by_index+0x5e/0x80 [ 4038.440358][ T74] fib6_nh_init+0x3d8/0x1580 [ 4038.440358][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4038.440358][ T74] ip6_route_add+0x1c/0x140 [ 4038.440358][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4038.440358][ T74] addrconf_add_dev+0xe2/0x170 [ 4038.440358][ T74] inet6_addr_add+0x12f/0xa40 [ 4038.440358][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4038.440358][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4038.440358][ T74] netlink_rcv_skb+0x130/0x360 [ 4038.440358][ T74] netlink_unicast+0x449/0x710 [ 4038.440358][ T74] netlink_sendmsg+0x723/0xbe0 [ 4038.440358][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4038.440358][ T74] ___sys_sendmsg+0xee/0x170 [ 4038.440358][ T74] __sys_sendmsg+0xcd/0x170 [ 4038.440358][ T74] do_syscall_64+0xc6/0x1e0 [ 4038.440358][ T74] [ 4038.442328][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4038.442328][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4038.442328][ T74] ipv6_find_idev+0x102/0x170 [ 4038.442328][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4038.442328][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4038.442328][ T74] netlink_rcv_skb+0x130/0x360 [ 4038.442328][ T74] netlink_unicast+0x449/0x710 [ 4038.442328][ T74] netlink_sendmsg+0x723/0xbe0 [ 4038.442328][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4038.442328][ T74] ___sys_sendmsg+0xee/0x170 [ 4038.442328][ T74] __sys_sendmsg+0xcd/0x170 [ 4038.442328][ T74] do_syscall_64+0xc6/0x1e0 [ 4038.442328][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4038.442328][ T74] [ 4038.443862][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4038.443862][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4038.443862][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4038.443862][ T74] ipv6_find_idev+0x102/0x170 [ 4038.443862][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4038.443862][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4038.443862][ T74] netlink_rcv_skb+0x130/0x360 [ 4038.443862][ T74] netlink_unicast+0x449/0x710 [ 4038.443862][ T74] netlink_sendmsg+0x723/0xbe0 [ 4038.443862][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4038.443862][ T74] ___sys_sendmsg+0xee/0x170 [ 4038.443862][ T74] __sys_sendmsg+0xcd/0x170 [ 4038.443862][ T74] do_syscall_64+0xc6/0x1e0 [ 4038.443862][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4038.443862][ T74] [ 4038.445570][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4038.445884][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4038.445884][ T74] dst_init+0x84/0x4a0 [ 4038.445884][ T74] dst_alloc+0x97/0x150 [ 4038.445884][ T74] ip6_dst_alloc+0x23/0x90 [ 4038.445884][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4038.445884][ T74] ip6_pol_route+0x56f/0x840 [ 4038.445884][ T74] fib6_rule_lookup+0x456/0x630 [ 4038.445884][ T74] ip6_route_input+0x59c/0xa50 [ 4038.445884][ T74] ipv6_rcv+0x397/0x810 [ 4038.445884][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4038.445884][ T74] process_backlog+0x101/0x620 [ 4038.445884][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4038.445884][ T74] net_rx_action+0x495/0xbe0 [ 4038.445884][ T74] __do_softirq+0x1b5/0x7f6 [ 4038.445884][ T74] [ 4038.447571][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4038.447571][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4038.447571][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4038.447571][ T74] fib6_nh_init+0xa22/0x1580 [ 4038.447571][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4038.447571][ T74] ip6_route_add+0x1c/0x140 [ 4038.447571][ T74] inet6_rtm_newroute+0x104/0x110 [ 4038.447571][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4038.447571][ T74] netlink_rcv_skb+0x130/0x360 [ 4038.447571][ T74] netlink_unicast+0x449/0x710 [ 4038.447571][ T74] netlink_sendmsg+0x723/0xbe0 [ 4038.447571][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4038.447571][ T74] ___sys_sendmsg+0xee/0x170 [ 4038.447571][ T74] __sys_sendmsg+0xcd/0x170 [ 4038.447571][ T74] do_syscall_64+0xc6/0x1e0 [ 4038.447571][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4038.447571][ T74] [ 4038.449507][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4038.449507][ T74] netdev_get_by_index+0x5e/0x80 [ 4038.449507][ T74] fib6_nh_init+0x3d8/0x1580 [ 4038.449507][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4038.449507][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4038.449507][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4038.449507][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4038.449507][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4038.449507][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4038.449507][ T74] addrconf_dad_begin+0x310/0x670 [ 4038.449507][ T74] addrconf_dad_work+0x10b/0xab0 [ 4038.449507][ T74] process_one_work+0x84d/0x18a0 [ 4038.449507][ T74] worker_thread+0x587/0xd30 [ 4038.449507][ T74] kthread+0x28a/0x350 [ 4038.449507][ T74] ret_from_fork+0x31/0x70 [ 4038.449507][ T74] ret_from_fork_asm+0x1a/0x30 [ 4038.449507][ T74] [ 4038.451457][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4038.451457][ T74] netdev_get_by_index+0x5e/0x80 [ 4038.451457][ T74] fib6_nh_init+0x3d8/0x1580 [ 4038.451457][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4038.451457][ T74] ip6_route_add+0x1c/0x140 [ 4038.451457][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4038.451457][ T74] inet6_addr_add+0x4f8/0xa40 [ 4038.451457][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4038.451457][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4038.451457][ T74] netlink_rcv_skb+0x130/0x360 [ 4038.451457][ T74] netlink_unicast+0x449/0x710 [ 4038.451457][ T74] netlink_sendmsg+0x723/0xbe0 [ 4038.451457][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4038.451457][ T74] ___sys_sendmsg+0xee/0x170 [ 4038.451457][ T74] __sys_sendmsg+0xcd/0x170 [ 4038.451457][ T74] do_syscall_64+0xc6/0x1e0 [ 4038.451457][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4038.451457][ T74] [ 4038.453514][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4038.453514][ T74] netdev_get_by_index+0x5e/0x80 [ 4038.453514][ T74] fib6_nh_init+0x3d8/0x1580 [ 4038.453514][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4038.453514][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4038.453514][ T74] ipv6_add_addr+0x411/0x2000 [ 4038.453514][ T74] inet6_addr_add+0x30e/0xa40 [ 4038.453514][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4038.453514][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4038.453514][ T74] netlink_rcv_skb+0x130/0x360 [ 4038.453514][ T74] netlink_unicast+0x449/0x710 [ 4038.453514][ T74] netlink_sendmsg+0x723/0xbe0 [ 4038.453514][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4038.453514][ T74] ___sys_sendmsg+0xee/0x170 [ 4038.453514][ T74] __sys_sendmsg+0xcd/0x170 [ 4038.453514][ T74] do_syscall_64+0xc6/0x1e0 [ 4038.453514][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4038.453514][ T74] [ 4038.455587][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4038.455587][ T74] netdev_get_by_index+0x5e/0x80 [ 4038.455587][ T74] fib6_nh_init+0x3d8/0x1580 [ 4038.455587][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4038.455587][ T74] ip6_route_add+0x1c/0x140 [ 4038.455587][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4038.455587][ T74] addrconf_add_dev+0xe2/0x170 [ 4038.455587][ T74] inet6_addr_add+0x12f/0xa40 [ 4038.455587][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4038.455587][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4038.455587][ T74] netlink_rcv_skb+0x130/0x360 [ 4038.455587][ T74] netlink_unicast+0x449/0x710 [ 4038.455587][ T74] netlink_sendmsg+0x723/0xbe0 [ 4038.455587][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4038.455587][ T74] ___sys_sendmsg+0xee/0x170 [ 4038.455587][ T74] __sys_sendmsg+0xcd/0x170 [ 4038.455587][ T74] do_syscall_64+0xc6/0x1e0 [ 4038.455587][ T74] [ 4038.457603][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4038.457603][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4038.457603][ T74] ipv6_find_idev+0x102/0x170 [ 4038.457603][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4038.457603][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4038.457603][ T74] netlink_rcv_skb+0x130/0x360 [ 4038.457603][ T74] netlink_unicast+0x449/0x710 [ 4038.457603][ T74] netlink_sendmsg+0x723/0xbe0 [ 4038.457603][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4038.457603][ T74] ___sys_sendmsg+0xee/0x170 [ 4038.457603][ T74] __sys_sendmsg+0xcd/0x170 [ 4038.457603][ T74] do_syscall_64+0xc6/0x1e0 [ 4038.457603][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4038.457603][ T74] [ 4038.459335][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4038.459335][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4038.459335][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4038.459335][ T74] ipv6_find_idev+0x102/0x170 [ 4038.459335][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4038.459335][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4038.459335][ T74] netlink_rcv_skb+0x130/0x360 [ 4038.459335][ T74] netlink_unicast+0x449/0x710 [ 4038.459335][ T74] netlink_sendmsg+0x723/0xbe0 [ 4038.459335][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4038.459335][ T74] ___sys_sendmsg+0xee/0x170 [ 4038.459335][ T74] __sys_sendmsg+0xcd/0x170 [ 4038.459335][ T74] do_syscall_64+0xc6/0x1e0 [ 4038.459335][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4038.459335][ T74] [ 4038.461262][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4038.461501][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4038.461501][ T74] netdev_get_by_index+0x5e/0x80 [ 4038.461501][ T74] fib6_nh_init+0x3d8/0x1580 [ 4038.461501][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4038.461501][ T74] ip6_route_add+0x1c/0x140 [ 4038.461501][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4038.461501][ T74] inet6_addr_add+0x4f8/0xa40 [ 4038.461501][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4038.461501][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4038.461501][ T74] netlink_rcv_skb+0x130/0x360 [ 4038.461501][ T74] netlink_unicast+0x449/0x710 [ 4038.461501][ T74] netlink_sendmsg+0x723/0xbe0 [ 4038.461501][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4038.461501][ T74] ___sys_sendmsg+0xee/0x170 [ 4038.461501][ T74] __sys_sendmsg+0xcd/0x170 [ 4038.461501][ T74] do_syscall_64+0xc6/0x1e0 [ 4038.461501][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4038.461501][ T74] [ 4038.463710][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4038.463710][ T74] netdev_get_by_index+0x5e/0x80 [ 4038.463710][ T74] fib6_nh_init+0x3d8/0x1580 [ 4038.463710][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4038.463710][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4038.463710][ T74] ipv6_add_addr+0x411/0x2000 [ 4038.463710][ T74] inet6_addr_add+0x30e/0xa40 [ 4038.463710][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4038.463710][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4038.463710][ T74] netlink_rcv_skb+0x130/0x360 [ 4038.463710][ T74] netlink_unicast+0x449/0x710 [ 4038.463710][ T74] netlink_sendmsg+0x723/0xbe0 [ 4038.463710][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4038.463710][ T74] ___sys_sendmsg+0xee/0x170 [ 4038.463710][ T74] __sys_sendmsg+0xcd/0x170 [ 4038.463710][ T74] do_syscall_64+0xc6/0x1e0 [ 4038.463710][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4038.463710][ T74] [ 4038.466027][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4038.466027][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4038.466027][ T74] ipv6_find_idev+0x102/0x170 [ 4038.466027][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4038.466027][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4038.466027][ T74] netlink_rcv_skb+0x130/0x360 [ 4038.466027][ T74] netlink_unicast+0x449/0x710 [ 4038.466027][ T74] netlink_sendmsg+0x723/0xbe0 [ 4038.466027][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4038.466027][ T74] ___sys_sendmsg+0xee/0x170 [ 4038.466027][ T74] __sys_sendmsg+0xcd/0x170 [ 4038.466027][ T74] do_syscall_64+0xc6/0x1e0 [ 4038.466027][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4038.466027][ T74] [ 4038.467724][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4038.467724][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4038.467724][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4038.467724][ T74] ipv6_find_idev+0x102/0x170 [ 4038.467724][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4038.467724][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4038.467724][ T74] netlink_rcv_skb+0x130/0x360 [ 4038.467724][ T74] netlink_unicast+0x449/0x710 [ 4038.467724][ T74] netlink_sendmsg+0x723/0xbe0 [ 4038.467724][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4038.467724][ T74] ___sys_sendmsg+0xee/0x170 [ 4038.467724][ T74] __sys_sendmsg+0xcd/0x170 [ 4038.467724][ T74] do_syscall_64+0xc6/0x1e0 [ 4038.467724][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4038.467724][ T74] [ 4048.519908][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4048.520317][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4048.520317][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4048.520317][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4048.520317][ T74] fib6_nh_init+0xa22/0x1580 [ 4048.520317][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4048.520317][ T74] ip6_route_add+0x1c/0x140 [ 4048.520317][ T74] inet6_rtm_newroute+0x104/0x110 [ 4048.520317][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4048.520317][ T74] netlink_rcv_skb+0x130/0x360 [ 4048.520317][ T74] netlink_unicast+0x449/0x710 [ 4048.520317][ T74] netlink_sendmsg+0x723/0xbe0 [ 4048.520317][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4048.520317][ T74] ___sys_sendmsg+0xee/0x170 [ 4048.520317][ T74] __sys_sendmsg+0xcd/0x170 [ 4048.520317][ T74] do_syscall_64+0xc6/0x1e0 [ 4048.520317][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4048.520317][ T74] [ 4048.522246][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4048.522246][ T74] netdev_get_by_index+0x5e/0x80 [ 4048.522246][ T74] fib6_nh_init+0x3d8/0x1580 [ 4048.522246][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4048.522246][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4048.522246][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4048.522246][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4048.522246][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4048.522246][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4048.522246][ T74] addrconf_dad_begin+0x310/0x670 [ 4048.522246][ T74] addrconf_dad_work+0x10b/0xab0 [ 4048.522246][ T74] process_one_work+0x84d/0x18a0 [ 4048.522246][ T74] worker_thread+0x587/0xd30 [ 4048.522246][ T74] kthread+0x28a/0x350 [ 4048.522246][ T74] ret_from_fork+0x31/0x70 [ 4048.522246][ T74] ret_from_fork_asm+0x1a/0x30 [ 4048.522246][ T74] [ 4048.524191][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4048.524191][ T74] netdev_get_by_index+0x5e/0x80 [ 4048.524191][ T74] fib6_nh_init+0x3d8/0x1580 [ 4048.524191][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4048.524191][ T74] ip6_route_add+0x1c/0x140 [ 4048.524191][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4048.524191][ T74] inet6_addr_add+0x4f8/0xa40 [ 4048.524191][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4048.524191][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4048.524191][ T74] netlink_rcv_skb+0x130/0x360 [ 4048.524191][ T74] netlink_unicast+0x449/0x710 [ 4048.524191][ T74] netlink_sendmsg+0x723/0xbe0 [ 4048.524191][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4048.524191][ T74] ___sys_sendmsg+0xee/0x170 [ 4048.524191][ T74] __sys_sendmsg+0xcd/0x170 [ 4048.524191][ T74] do_syscall_64+0xc6/0x1e0 [ 4048.524191][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4048.524191][ T74] [ 4048.526250][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4048.526250][ T74] netdev_get_by_index+0x5e/0x80 [ 4048.526250][ T74] fib6_nh_init+0x3d8/0x1580 [ 4048.526250][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4048.526250][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4048.526250][ T74] ipv6_add_addr+0x411/0x2000 [ 4048.526250][ T74] inet6_addr_add+0x30e/0xa40 [ 4048.526250][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4048.526250][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4048.526250][ T74] netlink_rcv_skb+0x130/0x360 [ 4048.526250][ T74] netlink_unicast+0x449/0x710 [ 4048.526250][ T74] netlink_sendmsg+0x723/0xbe0 [ 4048.526250][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4048.526250][ T74] ___sys_sendmsg+0xee/0x170 [ 4048.526250][ T74] __sys_sendmsg+0xcd/0x170 [ 4048.526250][ T74] do_syscall_64+0xc6/0x1e0 [ 4048.526250][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4048.526250][ T74] [ 4048.528290][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4048.528290][ T74] netdev_get_by_index+0x5e/0x80 [ 4048.528290][ T74] fib6_nh_init+0x3d8/0x1580 [ 4048.528290][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4048.528290][ T74] ip6_route_add+0x1c/0x140 [ 4048.528290][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4048.528290][ T74] addrconf_add_dev+0xe2/0x170 [ 4048.528290][ T74] inet6_addr_add+0x12f/0xa40 [ 4048.528290][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4048.528290][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4048.528290][ T74] netlink_rcv_skb+0x130/0x360 [ 4048.528290][ T74] netlink_unicast+0x449/0x710 [ 4048.528290][ T74] netlink_sendmsg+0x723/0xbe0 [ 4048.528290][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4048.528290][ T74] ___sys_sendmsg+0xee/0x170 [ 4048.528290][ T74] __sys_sendmsg+0xcd/0x170 [ 4048.528290][ T74] do_syscall_64+0xc6/0x1e0 [ 4048.528290][ T74] [ 4048.530268][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4048.530268][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4048.530268][ T74] ipv6_find_idev+0x102/0x170 [ 4048.530268][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4048.530268][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4048.530268][ T74] netlink_rcv_skb+0x130/0x360 [ 4048.530268][ T74] netlink_unicast+0x449/0x710 [ 4048.530268][ T74] netlink_sendmsg+0x723/0xbe0 [ 4048.530268][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4048.530268][ T74] ___sys_sendmsg+0xee/0x170 [ 4048.530268][ T74] __sys_sendmsg+0xcd/0x170 [ 4048.530268][ T74] do_syscall_64+0xc6/0x1e0 [ 4048.530268][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4048.530268][ T74] [ 4048.531797][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4048.531797][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4048.531797][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4048.531797][ T74] ipv6_find_idev+0x102/0x170 [ 4048.531797][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4048.531797][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4048.531797][ T74] netlink_rcv_skb+0x130/0x360 [ 4048.531797][ T74] netlink_unicast+0x449/0x710 [ 4048.531797][ T74] netlink_sendmsg+0x723/0xbe0 [ 4048.531797][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4048.531797][ T74] ___sys_sendmsg+0xee/0x170 [ 4048.531797][ T74] __sys_sendmsg+0xcd/0x170 [ 4048.531797][ T74] do_syscall_64+0xc6/0x1e0 [ 4048.531797][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4048.531797][ T74] [ 4048.533475][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4048.533743][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4048.533743][ T74] dst_init+0x84/0x4a0 [ 4048.533743][ T74] dst_alloc+0x97/0x150 [ 4048.533743][ T74] ip6_dst_alloc+0x23/0x90 [ 4048.533743][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4048.533743][ T74] ip6_pol_route+0x56f/0x840 [ 4048.533743][ T74] fib6_rule_lookup+0x456/0x630 [ 4048.533743][ T74] ip6_route_input+0x59c/0xa50 [ 4048.533743][ T74] ipv6_rcv+0x397/0x810 [ 4048.533743][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4048.533743][ T74] process_backlog+0x101/0x620 [ 4048.533743][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4048.533743][ T74] net_rx_action+0x495/0xbe0 [ 4048.533743][ T74] __do_softirq+0x1b5/0x7f6 [ 4048.533743][ T74] [ 4048.535422][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4048.535422][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4048.535422][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4048.535422][ T74] fib6_nh_init+0xa22/0x1580 [ 4048.535422][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4048.535422][ T74] ip6_route_add+0x1c/0x140 [ 4048.535422][ T74] inet6_rtm_newroute+0x104/0x110 [ 4048.535422][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4048.535422][ T74] netlink_rcv_skb+0x130/0x360 [ 4048.535422][ T74] netlink_unicast+0x449/0x710 [ 4048.535422][ T74] netlink_sendmsg+0x723/0xbe0 [ 4048.535422][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4048.535422][ T74] ___sys_sendmsg+0xee/0x170 [ 4048.535422][ T74] __sys_sendmsg+0xcd/0x170 [ 4048.535422][ T74] do_syscall_64+0xc6/0x1e0 [ 4048.535422][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4048.535422][ T74] [ 4048.537319][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4048.537319][ T74] netdev_get_by_index+0x5e/0x80 [ 4048.537319][ T74] fib6_nh_init+0x3d8/0x1580 [ 4048.537319][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4048.537319][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4048.537319][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4048.537319][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4048.537319][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4048.537319][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4048.537319][ T74] addrconf_dad_begin+0x310/0x670 [ 4048.537319][ T74] addrconf_dad_work+0x10b/0xab0 [ 4048.537319][ T74] process_one_work+0x84d/0x18a0 [ 4048.537319][ T74] worker_thread+0x587/0xd30 [ 4048.537319][ T74] kthread+0x28a/0x350 [ 4048.537319][ T74] ret_from_fork+0x31/0x70 [ 4048.537319][ T74] ret_from_fork_asm+0x1a/0x30 [ 4048.537319][ T74] [ 4048.539244][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4048.539244][ T74] netdev_get_by_index+0x5e/0x80 [ 4048.539244][ T74] fib6_nh_init+0x3d8/0x1580 [ 4048.539244][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4048.539244][ T74] ip6_route_add+0x1c/0x140 [ 4048.539244][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4048.539244][ T74] inet6_addr_add+0x4f8/0xa40 [ 4048.539244][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4048.539244][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4048.539244][ T74] netlink_rcv_skb+0x130/0x360 [ 4048.539244][ T74] netlink_unicast+0x449/0x710 [ 4048.539244][ T74] netlink_sendmsg+0x723/0xbe0 [ 4048.539244][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4048.539244][ T74] ___sys_sendmsg+0xee/0x170 [ 4048.539244][ T74] __sys_sendmsg+0xcd/0x170 [ 4048.539244][ T74] do_syscall_64+0xc6/0x1e0 [ 4048.539244][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4048.539244][ T74] [ 4048.541306][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4048.541306][ T74] netdev_get_by_index+0x5e/0x80 [ 4048.541306][ T74] fib6_nh_init+0x3d8/0x1580 [ 4048.541306][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4048.541306][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4048.541306][ T74] ipv6_add_addr+0x411/0x2000 [ 4048.541306][ T74] inet6_addr_add+0x30e/0xa40 [ 4048.541306][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4048.541306][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4048.541306][ T74] netlink_rcv_skb+0x130/0x360 [ 4048.541306][ T74] netlink_unicast+0x449/0x710 [ 4048.541306][ T74] netlink_sendmsg+0x723/0xbe0 [ 4048.541306][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4048.541306][ T74] ___sys_sendmsg+0xee/0x170 [ 4048.541306][ T74] __sys_sendmsg+0xcd/0x170 [ 4048.541306][ T74] do_syscall_64+0xc6/0x1e0 [ 4048.541306][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4048.541306][ T74] [ 4048.543333][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4048.543333][ T74] netdev_get_by_index+0x5e/0x80 [ 4048.543333][ T74] fib6_nh_init+0x3d8/0x1580 [ 4048.543333][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4048.543333][ T74] ip6_route_add+0x1c/0x140 [ 4048.543333][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4048.543333][ T74] addrconf_add_dev+0xe2/0x170 [ 4048.543333][ T74] inet6_addr_add+0x12f/0xa40 [ 4048.543333][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4048.543333][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4048.543333][ T74] netlink_rcv_skb+0x130/0x360 [ 4048.543333][ T74] netlink_unicast+0x449/0x710 [ 4048.543333][ T74] netlink_sendmsg+0x723/0xbe0 [ 4048.543333][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4048.543333][ T74] ___sys_sendmsg+0xee/0x170 [ 4048.543333][ T74] __sys_sendmsg+0xcd/0x170 [ 4048.543333][ T74] do_syscall_64+0xc6/0x1e0 [ 4048.543333][ T74] [ 4048.545333][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4048.545333][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4048.545333][ T74] ipv6_find_idev+0x102/0x170 [ 4048.545333][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4048.545333][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4048.545333][ T74] netlink_rcv_skb+0x130/0x360 [ 4048.545333][ T74] netlink_unicast+0x449/0x710 [ 4048.545333][ T74] netlink_sendmsg+0x723/0xbe0 [ 4048.545333][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4048.545333][ T74] ___sys_sendmsg+0xee/0x170 [ 4048.545333][ T74] __sys_sendmsg+0xcd/0x170 [ 4048.545333][ T74] do_syscall_64+0xc6/0x1e0 [ 4048.545333][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4048.545333][ T74] [ 4048.547057][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4048.547057][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4048.547057][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4048.547057][ T74] ipv6_find_idev+0x102/0x170 [ 4048.547057][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4048.547057][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4048.547057][ T74] netlink_rcv_skb+0x130/0x360 [ 4048.547057][ T74] netlink_unicast+0x449/0x710 [ 4048.547057][ T74] netlink_sendmsg+0x723/0xbe0 [ 4048.547057][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4048.547057][ T74] ___sys_sendmsg+0xee/0x170 [ 4048.547057][ T74] __sys_sendmsg+0xcd/0x170 [ 4048.547057][ T74] do_syscall_64+0xc6/0x1e0 [ 4048.547057][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4048.547057][ T74] [ 4048.548985][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4048.549228][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4048.549228][ T74] netdev_get_by_index+0x5e/0x80 [ 4048.549228][ T74] fib6_nh_init+0x3d8/0x1580 [ 4048.549228][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4048.549228][ T74] ip6_route_add+0x1c/0x140 [ 4048.549228][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4048.549228][ T74] inet6_addr_add+0x4f8/0xa40 [ 4048.549228][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4048.549228][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4048.549228][ T74] netlink_rcv_skb+0x130/0x360 [ 4048.549228][ T74] netlink_unicast+0x449/0x710 [ 4048.549228][ T74] netlink_sendmsg+0x723/0xbe0 [ 4048.549228][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4048.549228][ T74] ___sys_sendmsg+0xee/0x170 [ 4048.549228][ T74] __sys_sendmsg+0xcd/0x170 [ 4048.549228][ T74] do_syscall_64+0xc6/0x1e0 [ 4048.549228][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4048.549228][ T74] [ 4048.551474][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4048.551474][ T74] netdev_get_by_index+0x5e/0x80 [ 4048.551474][ T74] fib6_nh_init+0x3d8/0x1580 [ 4048.551474][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4048.551474][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4048.551474][ T74] ipv6_add_addr+0x411/0x2000 [ 4048.551474][ T74] inet6_addr_add+0x30e/0xa40 [ 4048.551474][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4048.551474][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4048.551474][ T74] netlink_rcv_skb+0x130/0x360 [ 4048.551474][ T74] netlink_unicast+0x449/0x710 [ 4048.551474][ T74] netlink_sendmsg+0x723/0xbe0 [ 4048.551474][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4048.551474][ T74] ___sys_sendmsg+0xee/0x170 [ 4048.551474][ T74] __sys_sendmsg+0xcd/0x170 [ 4048.551474][ T74] do_syscall_64+0xc6/0x1e0 [ 4048.551474][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4048.551474][ T74] [ 4048.553707][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4048.553707][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4048.553707][ T74] ipv6_find_idev+0x102/0x170 [ 4048.553707][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4048.553707][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4048.553707][ T74] netlink_rcv_skb+0x130/0x360 [ 4048.553707][ T74] netlink_unicast+0x449/0x710 [ 4048.553707][ T74] netlink_sendmsg+0x723/0xbe0 [ 4048.553707][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4048.553707][ T74] ___sys_sendmsg+0xee/0x170 [ 4048.553707][ T74] __sys_sendmsg+0xcd/0x170 [ 4048.553707][ T74] do_syscall_64+0xc6/0x1e0 [ 4048.553707][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4048.553707][ T74] [ 4048.555413][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4048.555413][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4048.555413][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4048.555413][ T74] ipv6_find_idev+0x102/0x170 [ 4048.555413][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4048.555413][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4048.555413][ T74] netlink_rcv_skb+0x130/0x360 [ 4048.555413][ T74] netlink_unicast+0x449/0x710 [ 4048.555413][ T74] netlink_sendmsg+0x723/0xbe0 [ 4048.555413][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4048.555413][ T74] ___sys_sendmsg+0xee/0x170 [ 4048.555413][ T74] __sys_sendmsg+0xcd/0x170 [ 4048.555413][ T74] do_syscall_64+0xc6/0x1e0 [ 4048.555413][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4048.555413][ T74] [ 4058.800011][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4058.800383][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4058.800383][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4058.800383][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4058.800383][ T74] fib6_nh_init+0xa22/0x1580 [ 4058.800383][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4058.800383][ T74] ip6_route_add+0x1c/0x140 [ 4058.800383][ T74] inet6_rtm_newroute+0x104/0x110 [ 4058.800383][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4058.800383][ T74] netlink_rcv_skb+0x130/0x360 [ 4058.800383][ T74] netlink_unicast+0x449/0x710 [ 4058.800383][ T74] netlink_sendmsg+0x723/0xbe0 [ 4058.800383][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4058.800383][ T74] ___sys_sendmsg+0xee/0x170 [ 4058.800383][ T74] __sys_sendmsg+0xcd/0x170 [ 4058.800383][ T74] do_syscall_64+0xc6/0x1e0 [ 4058.800383][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4058.800383][ T74] [ 4058.802319][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4058.802319][ T74] netdev_get_by_index+0x5e/0x80 [ 4058.802319][ T74] fib6_nh_init+0x3d8/0x1580 [ 4058.802319][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4058.802319][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4058.802319][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4058.802319][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4058.802319][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4058.802319][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4058.802319][ T74] addrconf_dad_begin+0x310/0x670 [ 4058.802319][ T74] addrconf_dad_work+0x10b/0xab0 [ 4058.802319][ T74] process_one_work+0x84d/0x18a0 [ 4058.802319][ T74] worker_thread+0x587/0xd30 [ 4058.802319][ T74] kthread+0x28a/0x350 [ 4058.802319][ T74] ret_from_fork+0x31/0x70 [ 4058.802319][ T74] ret_from_fork_asm+0x1a/0x30 [ 4058.802319][ T74] [ 4058.804279][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4058.804279][ T74] netdev_get_by_index+0x5e/0x80 [ 4058.804279][ T74] fib6_nh_init+0x3d8/0x1580 [ 4058.804279][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4058.804279][ T74] ip6_route_add+0x1c/0x140 [ 4058.804279][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4058.804279][ T74] inet6_addr_add+0x4f8/0xa40 [ 4058.804279][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4058.804279][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4058.804279][ T74] netlink_rcv_skb+0x130/0x360 [ 4058.804279][ T74] netlink_unicast+0x449/0x710 [ 4058.804279][ T74] netlink_sendmsg+0x723/0xbe0 [ 4058.804279][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4058.804279][ T74] ___sys_sendmsg+0xee/0x170 [ 4058.804279][ T74] __sys_sendmsg+0xcd/0x170 [ 4058.804279][ T74] do_syscall_64+0xc6/0x1e0 [ 4058.804279][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4058.804279][ T74] [ 4058.806312][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4058.806312][ T74] netdev_get_by_index+0x5e/0x80 [ 4058.806312][ T74] fib6_nh_init+0x3d8/0x1580 [ 4058.806312][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4058.806312][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4058.806312][ T74] ipv6_add_addr+0x411/0x2000 [ 4058.806312][ T74] inet6_addr_add+0x30e/0xa40 [ 4058.806312][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4058.806312][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4058.806312][ T74] netlink_rcv_skb+0x130/0x360 [ 4058.806312][ T74] netlink_unicast+0x449/0x710 [ 4058.806312][ T74] netlink_sendmsg+0x723/0xbe0 [ 4058.806312][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4058.806312][ T74] ___sys_sendmsg+0xee/0x170 [ 4058.806312][ T74] __sys_sendmsg+0xcd/0x170 [ 4058.806312][ T74] do_syscall_64+0xc6/0x1e0 [ 4058.806312][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4058.806312][ T74] [ 4058.808318][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4058.808318][ T74] netdev_get_by_index+0x5e/0x80 [ 4058.808318][ T74] fib6_nh_init+0x3d8/0x1580 [ 4058.808318][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4058.808318][ T74] ip6_route_add+0x1c/0x140 [ 4058.808318][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4058.808318][ T74] addrconf_add_dev+0xe2/0x170 [ 4058.808318][ T74] inet6_addr_add+0x12f/0xa40 [ 4058.808318][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4058.808318][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4058.808318][ T74] netlink_rcv_skb+0x130/0x360 [ 4058.808318][ T74] netlink_unicast+0x449/0x710 [ 4058.808318][ T74] netlink_sendmsg+0x723/0xbe0 [ 4058.808318][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4058.808318][ T74] ___sys_sendmsg+0xee/0x170 [ 4058.808318][ T74] __sys_sendmsg+0xcd/0x170 [ 4058.808318][ T74] do_syscall_64+0xc6/0x1e0 [ 4058.808318][ T74] [ 4058.810293][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4058.810293][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4058.810293][ T74] ipv6_find_idev+0x102/0x170 [ 4058.810293][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4058.810293][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4058.810293][ T74] netlink_rcv_skb+0x130/0x360 [ 4058.810293][ T74] netlink_unicast+0x449/0x710 [ 4058.810293][ T74] netlink_sendmsg+0x723/0xbe0 [ 4058.810293][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4058.810293][ T74] ___sys_sendmsg+0xee/0x170 [ 4058.810293][ T74] __sys_sendmsg+0xcd/0x170 [ 4058.810293][ T74] do_syscall_64+0xc6/0x1e0 [ 4058.810293][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4058.810293][ T74] [ 4058.811846][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4058.811846][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4058.811846][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4058.811846][ T74] ipv6_find_idev+0x102/0x170 [ 4058.811846][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4058.811846][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4058.811846][ T74] netlink_rcv_skb+0x130/0x360 [ 4058.811846][ T74] netlink_unicast+0x449/0x710 [ 4058.811846][ T74] netlink_sendmsg+0x723/0xbe0 [ 4058.811846][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4058.811846][ T74] ___sys_sendmsg+0xee/0x170 [ 4058.811846][ T74] __sys_sendmsg+0xcd/0x170 [ 4058.811846][ T74] do_syscall_64+0xc6/0x1e0 [ 4058.811846][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4058.811846][ T74] [ 4058.813544][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4058.813844][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4058.813844][ T74] dst_init+0x84/0x4a0 [ 4058.813844][ T74] dst_alloc+0x97/0x150 [ 4058.813844][ T74] ip6_dst_alloc+0x23/0x90 [ 4058.813844][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4058.813844][ T74] ip6_pol_route+0x56f/0x840 [ 4058.813844][ T74] fib6_rule_lookup+0x456/0x630 [ 4058.813844][ T74] ip6_route_input+0x59c/0xa50 [ 4058.813844][ T74] ipv6_rcv+0x397/0x810 [ 4058.813844][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4058.813844][ T74] process_backlog+0x101/0x620 [ 4058.813844][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4058.813844][ T74] net_rx_action+0x495/0xbe0 [ 4058.813844][ T74] __do_softirq+0x1b5/0x7f6 [ 4058.813844][ T74] [ 4058.815512][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4058.815512][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4058.815512][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4058.815512][ T74] fib6_nh_init+0xa22/0x1580 [ 4058.815512][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4058.815512][ T74] ip6_route_add+0x1c/0x140 [ 4058.815512][ T74] inet6_rtm_newroute+0x104/0x110 [ 4058.815512][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4058.815512][ T74] netlink_rcv_skb+0x130/0x360 [ 4058.815512][ T74] netlink_unicast+0x449/0x710 [ 4058.815512][ T74] netlink_sendmsg+0x723/0xbe0 [ 4058.815512][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4058.815512][ T74] ___sys_sendmsg+0xee/0x170 [ 4058.815512][ T74] __sys_sendmsg+0xcd/0x170 [ 4058.815512][ T74] do_syscall_64+0xc6/0x1e0 [ 4058.815512][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4058.815512][ T74] [ 4058.817426][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4058.817426][ T74] netdev_get_by_index+0x5e/0x80 [ 4058.817426][ T74] fib6_nh_init+0x3d8/0x1580 [ 4058.817426][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4058.817426][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4058.817426][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4058.817426][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4058.817426][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4058.817426][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4058.817426][ T74] addrconf_dad_begin+0x310/0x670 [ 4058.817426][ T74] addrconf_dad_work+0x10b/0xab0 [ 4058.817426][ T74] process_one_work+0x84d/0x18a0 [ 4058.817426][ T74] worker_thread+0x587/0xd30 [ 4058.817426][ T74] kthread+0x28a/0x350 [ 4058.817426][ T74] ret_from_fork+0x31/0x70 [ 4058.817426][ T74] ret_from_fork_asm+0x1a/0x30 [ 4058.817426][ T74] [ 4058.819333][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4058.819333][ T74] netdev_get_by_index+0x5e/0x80 [ 4058.819333][ T74] fib6_nh_init+0x3d8/0x1580 [ 4058.819333][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4058.819333][ T74] ip6_route_add+0x1c/0x140 [ 4058.819333][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4058.819333][ T74] inet6_addr_add+0x4f8/0xa40 [ 4058.819333][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4058.819333][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4058.819333][ T74] netlink_rcv_skb+0x130/0x360 [ 4058.819333][ T74] netlink_unicast+0x449/0x710 [ 4058.819333][ T74] netlink_sendmsg+0x723/0xbe0 [ 4058.819333][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4058.819333][ T74] ___sys_sendmsg+0xee/0x170 [ 4058.819333][ T74] __sys_sendmsg+0xcd/0x170 [ 4058.819333][ T74] do_syscall_64+0xc6/0x1e0 [ 4058.819333][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4058.819333][ T74] [ 4058.821367][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4058.821367][ T74] netdev_get_by_index+0x5e/0x80 [ 4058.821367][ T74] fib6_nh_init+0x3d8/0x1580 [ 4058.821367][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4058.821367][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4058.821367][ T74] ipv6_add_addr+0x411/0x2000 [ 4058.821367][ T74] inet6_addr_add+0x30e/0xa40 [ 4058.821367][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4058.821367][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4058.821367][ T74] netlink_rcv_skb+0x130/0x360 [ 4058.821367][ T74] netlink_unicast+0x449/0x710 [ 4058.821367][ T74] netlink_sendmsg+0x723/0xbe0 [ 4058.821367][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4058.821367][ T74] ___sys_sendmsg+0xee/0x170 [ 4058.821367][ T74] __sys_sendmsg+0xcd/0x170 [ 4058.821367][ T74] do_syscall_64+0xc6/0x1e0 [ 4058.821367][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4058.821367][ T74] [ 4058.823356][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4058.823356][ T74] netdev_get_by_index+0x5e/0x80 [ 4058.823356][ T74] fib6_nh_init+0x3d8/0x1580 [ 4058.823356][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4058.823356][ T74] ip6_route_add+0x1c/0x140 [ 4058.823356][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4058.823356][ T74] addrconf_add_dev+0xe2/0x170 [ 4058.823356][ T74] inet6_addr_add+0x12f/0xa40 [ 4058.823356][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4058.823356][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4058.823356][ T74] netlink_rcv_skb+0x130/0x360 [ 4058.823356][ T74] netlink_unicast+0x449/0x710 [ 4058.823356][ T74] netlink_sendmsg+0x723/0xbe0 [ 4058.823356][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4058.823356][ T74] ___sys_sendmsg+0xee/0x170 [ 4058.823356][ T74] __sys_sendmsg+0xcd/0x170 [ 4058.823356][ T74] do_syscall_64+0xc6/0x1e0 [ 4058.823356][ T74] [ 4058.825312][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4058.825312][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4058.825312][ T74] ipv6_find_idev+0x102/0x170 [ 4058.825312][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4058.825312][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4058.825312][ T74] netlink_rcv_skb+0x130/0x360 [ 4058.825312][ T74] netlink_unicast+0x449/0x710 [ 4058.825312][ T74] netlink_sendmsg+0x723/0xbe0 [ 4058.825312][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4058.825312][ T74] ___sys_sendmsg+0xee/0x170 [ 4058.825312][ T74] __sys_sendmsg+0xcd/0x170 [ 4058.825312][ T74] do_syscall_64+0xc6/0x1e0 [ 4058.825312][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4058.825312][ T74] [ 4058.827072][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4058.827072][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4058.827072][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4058.827072][ T74] ipv6_find_idev+0x102/0x170 [ 4058.827072][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4058.827072][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4058.827072][ T74] netlink_rcv_skb+0x130/0x360 [ 4058.827072][ T74] netlink_unicast+0x449/0x710 [ 4058.827072][ T74] netlink_sendmsg+0x723/0xbe0 [ 4058.827072][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4058.827072][ T74] ___sys_sendmsg+0xee/0x170 [ 4058.827072][ T74] __sys_sendmsg+0xcd/0x170 [ 4058.827072][ T74] do_syscall_64+0xc6/0x1e0 [ 4058.827072][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4058.827072][ T74] [ 4058.829025][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4058.829268][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4058.829268][ T74] netdev_get_by_index+0x5e/0x80 [ 4058.829268][ T74] fib6_nh_init+0x3d8/0x1580 [ 4058.829268][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4058.829268][ T74] ip6_route_add+0x1c/0x140 [ 4058.829268][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4058.829268][ T74] inet6_addr_add+0x4f8/0xa40 [ 4058.829268][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4058.829268][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4058.829268][ T74] netlink_rcv_skb+0x130/0x360 [ 4058.829268][ T74] netlink_unicast+0x449/0x710 [ 4058.829268][ T74] netlink_sendmsg+0x723/0xbe0 [ 4058.829268][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4058.829268][ T74] ___sys_sendmsg+0xee/0x170 [ 4058.829268][ T74] __sys_sendmsg+0xcd/0x170 [ 4058.829268][ T74] do_syscall_64+0xc6/0x1e0 [ 4058.829268][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4058.829268][ T74] [ 4058.831556][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4058.831556][ T74] netdev_get_by_index+0x5e/0x80 [ 4058.831556][ T74] fib6_nh_init+0x3d8/0x1580 [ 4058.831556][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4058.831556][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4058.831556][ T74] ipv6_add_addr+0x411/0x2000 [ 4058.831556][ T74] inet6_addr_add+0x30e/0xa40 [ 4058.831556][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4058.831556][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4058.831556][ T74] netlink_rcv_skb+0x130/0x360 [ 4058.831556][ T74] netlink_unicast+0x449/0x710 [ 4058.831556][ T74] netlink_sendmsg+0x723/0xbe0 [ 4058.831556][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4058.831556][ T74] ___sys_sendmsg+0xee/0x170 [ 4058.831556][ T74] __sys_sendmsg+0xcd/0x170 [ 4058.831556][ T74] do_syscall_64+0xc6/0x1e0 [ 4058.831556][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4058.831556][ T74] [ 4058.833844][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4058.833844][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4058.833844][ T74] ipv6_find_idev+0x102/0x170 [ 4058.833844][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4058.833844][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4058.833844][ T74] netlink_rcv_skb+0x130/0x360 [ 4058.833844][ T74] netlink_unicast+0x449/0x710 [ 4058.833844][ T74] netlink_sendmsg+0x723/0xbe0 [ 4058.833844][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4058.833844][ T74] ___sys_sendmsg+0xee/0x170 [ 4058.833844][ T74] __sys_sendmsg+0xcd/0x170 [ 4058.833844][ T74] do_syscall_64+0xc6/0x1e0 [ 4058.833844][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4058.833844][ T74] [ 4058.835608][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4058.835608][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4058.835608][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4058.835608][ T74] ipv6_find_idev+0x102/0x170 [ 4058.835608][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4058.835608][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4058.835608][ T74] netlink_rcv_skb+0x130/0x360 [ 4058.835608][ T74] netlink_unicast+0x449/0x710 [ 4058.835608][ T74] netlink_sendmsg+0x723/0xbe0 [ 4058.835608][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4058.835608][ T74] ___sys_sendmsg+0xee/0x170 [ 4058.835608][ T74] __sys_sendmsg+0xcd/0x170 [ 4058.835608][ T74] do_syscall_64+0xc6/0x1e0 [ 4058.835608][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4058.835608][ T74] [ 4069.079940][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4069.080391][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4069.080391][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4069.080391][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4069.080391][ T74] fib6_nh_init+0xa22/0x1580 [ 4069.080391][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4069.080391][ T74] ip6_route_add+0x1c/0x140 [ 4069.080391][ T74] inet6_rtm_newroute+0x104/0x110 [ 4069.080391][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4069.080391][ T74] netlink_rcv_skb+0x130/0x360 [ 4069.080391][ T74] netlink_unicast+0x449/0x710 [ 4069.080391][ T74] netlink_sendmsg+0x723/0xbe0 [ 4069.080391][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4069.080391][ T74] ___sys_sendmsg+0xee/0x170 [ 4069.080391][ T74] __sys_sendmsg+0xcd/0x170 [ 4069.080391][ T74] do_syscall_64+0xc6/0x1e0 [ 4069.080391][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4069.080391][ T74] [ 4069.082402][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4069.082402][ T74] netdev_get_by_index+0x5e/0x80 [ 4069.082402][ T74] fib6_nh_init+0x3d8/0x1580 [ 4069.082402][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4069.082402][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4069.082402][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4069.082402][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4069.082402][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4069.082402][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4069.082402][ T74] addrconf_dad_begin+0x310/0x670 [ 4069.082402][ T74] addrconf_dad_work+0x10b/0xab0 [ 4069.082402][ T74] process_one_work+0x84d/0x18a0 [ 4069.082402][ T74] worker_thread+0x587/0xd30 [ 4069.082402][ T74] kthread+0x28a/0x350 [ 4069.082402][ T74] ret_from_fork+0x31/0x70 [ 4069.082402][ T74] ret_from_fork_asm+0x1a/0x30 [ 4069.082402][ T74] [ 4069.084445][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4069.084445][ T74] netdev_get_by_index+0x5e/0x80 [ 4069.084445][ T74] fib6_nh_init+0x3d8/0x1580 [ 4069.084445][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4069.084445][ T74] ip6_route_add+0x1c/0x140 [ 4069.084445][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4069.084445][ T74] inet6_addr_add+0x4f8/0xa40 [ 4069.084445][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4069.084445][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4069.084445][ T74] netlink_rcv_skb+0x130/0x360 [ 4069.084445][ T74] netlink_unicast+0x449/0x710 [ 4069.084445][ T74] netlink_sendmsg+0x723/0xbe0 [ 4069.084445][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4069.084445][ T74] ___sys_sendmsg+0xee/0x170 [ 4069.084445][ T74] __sys_sendmsg+0xcd/0x170 [ 4069.084445][ T74] do_syscall_64+0xc6/0x1e0 [ 4069.084445][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4069.084445][ T74] [ 4069.086562][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4069.086562][ T74] netdev_get_by_index+0x5e/0x80 [ 4069.086562][ T74] fib6_nh_init+0x3d8/0x1580 [ 4069.086562][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4069.086562][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4069.086562][ T74] ipv6_add_addr+0x411/0x2000 [ 4069.086562][ T74] inet6_addr_add+0x30e/0xa40 [ 4069.086562][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4069.086562][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4069.086562][ T74] netlink_rcv_skb+0x130/0x360 [ 4069.086562][ T74] netlink_unicast+0x449/0x710 [ 4069.086562][ T74] netlink_sendmsg+0x723/0xbe0 [ 4069.086562][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4069.086562][ T74] ___sys_sendmsg+0xee/0x170 [ 4069.086562][ T74] __sys_sendmsg+0xcd/0x170 [ 4069.086562][ T74] do_syscall_64+0xc6/0x1e0 [ 4069.086562][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4069.086562][ T74] [ 4069.088678][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4069.088678][ T74] netdev_get_by_index+0x5e/0x80 [ 4069.088678][ T74] fib6_nh_init+0x3d8/0x1580 [ 4069.088678][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4069.088678][ T74] ip6_route_add+0x1c/0x140 [ 4069.088678][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4069.088678][ T74] addrconf_add_dev+0xe2/0x170 [ 4069.088678][ T74] inet6_addr_add+0x12f/0xa40 [ 4069.088678][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4069.088678][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4069.088678][ T74] netlink_rcv_skb+0x130/0x360 [ 4069.088678][ T74] netlink_unicast+0x449/0x710 [ 4069.088678][ T74] netlink_sendmsg+0x723/0xbe0 [ 4069.088678][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4069.088678][ T74] ___sys_sendmsg+0xee/0x170 [ 4069.088678][ T74] __sys_sendmsg+0xcd/0x170 [ 4069.088678][ T74] do_syscall_64+0xc6/0x1e0 [ 4069.088678][ T74] [ 4069.090746][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4069.090746][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4069.090746][ T74] ipv6_find_idev+0x102/0x170 [ 4069.090746][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4069.090746][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4069.090746][ T74] netlink_rcv_skb+0x130/0x360 [ 4069.090746][ T74] netlink_unicast+0x449/0x710 [ 4069.090746][ T74] netlink_sendmsg+0x723/0xbe0 [ 4069.090746][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4069.090746][ T74] ___sys_sendmsg+0xee/0x170 [ 4069.090746][ T74] __sys_sendmsg+0xcd/0x170 [ 4069.090746][ T74] do_syscall_64+0xc6/0x1e0 [ 4069.090746][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4069.090746][ T74] [ 4069.092420][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4069.092420][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4069.092420][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4069.092420][ T74] ipv6_find_idev+0x102/0x170 [ 4069.092420][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4069.092420][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4069.092420][ T74] netlink_rcv_skb+0x130/0x360 [ 4069.092420][ T74] netlink_unicast+0x449/0x710 [ 4069.092420][ T74] netlink_sendmsg+0x723/0xbe0 [ 4069.092420][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4069.092420][ T74] ___sys_sendmsg+0xee/0x170 [ 4069.092420][ T74] __sys_sendmsg+0xcd/0x170 [ 4069.092420][ T74] do_syscall_64+0xc6/0x1e0 [ 4069.092420][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4069.092420][ T74] [ 4069.094211][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4069.094498][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4069.094498][ T74] dst_init+0x84/0x4a0 [ 4069.094498][ T74] dst_alloc+0x97/0x150 [ 4069.094498][ T74] ip6_dst_alloc+0x23/0x90 [ 4069.094498][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4069.094498][ T74] ip6_pol_route+0x56f/0x840 [ 4069.094498][ T74] fib6_rule_lookup+0x456/0x630 [ 4069.094498][ T74] ip6_route_input+0x59c/0xa50 [ 4069.094498][ T74] ipv6_rcv+0x397/0x810 [ 4069.094498][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4069.094498][ T74] process_backlog+0x101/0x620 [ 4069.094498][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4069.094498][ T74] net_rx_action+0x495/0xbe0 [ 4069.094498][ T74] __do_softirq+0x1b5/0x7f6 [ 4069.094498][ T74] [ 4069.096227][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4069.096227][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4069.096227][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4069.096227][ T74] fib6_nh_init+0xa22/0x1580 [ 4069.096227][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4069.096227][ T74] ip6_route_add+0x1c/0x140 [ 4069.096227][ T74] inet6_rtm_newroute+0x104/0x110 [ 4069.096227][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4069.096227][ T74] netlink_rcv_skb+0x130/0x360 [ 4069.096227][ T74] netlink_unicast+0x449/0x710 [ 4069.096227][ T74] netlink_sendmsg+0x723/0xbe0 [ 4069.096227][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4069.096227][ T74] ___sys_sendmsg+0xee/0x170 [ 4069.096227][ T74] __sys_sendmsg+0xcd/0x170 [ 4069.096227][ T74] do_syscall_64+0xc6/0x1e0 [ 4069.096227][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4069.096227][ T74] [ 4069.098100][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4069.098100][ T74] netdev_get_by_index+0x5e/0x80 [ 4069.098100][ T74] fib6_nh_init+0x3d8/0x1580 [ 4069.098100][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4069.098100][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4069.098100][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4069.098100][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4069.098100][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4069.098100][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4069.098100][ T74] addrconf_dad_begin+0x310/0x670 [ 4069.098100][ T74] addrconf_dad_work+0x10b/0xab0 [ 4069.098100][ T74] process_one_work+0x84d/0x18a0 [ 4069.098100][ T74] worker_thread+0x587/0xd30 [ 4069.098100][ T74] kthread+0x28a/0x350 [ 4069.098100][ T74] ret_from_fork+0x31/0x70 [ 4069.098100][ T74] ret_from_fork_asm+0x1a/0x30 [ 4069.098100][ T74] [ 4069.100003][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4069.100003][ T74] netdev_get_by_index+0x5e/0x80 [ 4069.100003][ T74] fib6_nh_init+0x3d8/0x1580 [ 4069.100003][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4069.100003][ T74] ip6_route_add+0x1c/0x140 [ 4069.100003][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4069.100003][ T74] inet6_addr_add+0x4f8/0xa40 [ 4069.100003][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4069.100003][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4069.100003][ T74] netlink_rcv_skb+0x130/0x360 [ 4069.100003][ T74] netlink_unicast+0x449/0x710 [ 4069.100003][ T74] netlink_sendmsg+0x723/0xbe0 [ 4069.100003][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4069.100003][ T74] ___sys_sendmsg+0xee/0x170 [ 4069.100003][ T74] __sys_sendmsg+0xcd/0x170 [ 4069.100003][ T74] do_syscall_64+0xc6/0x1e0 [ 4069.100003][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4069.100003][ T74] [ 4069.102082][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4069.102082][ T74] netdev_get_by_index+0x5e/0x80 [ 4069.102082][ T74] fib6_nh_init+0x3d8/0x1580 [ 4069.102082][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4069.102082][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4069.102082][ T74] ipv6_add_addr+0x411/0x2000 [ 4069.102082][ T74] inet6_addr_add+0x30e/0xa40 [ 4069.102082][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4069.102082][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4069.102082][ T74] netlink_rcv_skb+0x130/0x360 [ 4069.102082][ T74] netlink_unicast+0x449/0x710 [ 4069.102082][ T74] netlink_sendmsg+0x723/0xbe0 [ 4069.102082][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4069.102082][ T74] ___sys_sendmsg+0xee/0x170 [ 4069.102082][ T74] __sys_sendmsg+0xcd/0x170 [ 4069.102082][ T74] do_syscall_64+0xc6/0x1e0 [ 4069.102082][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4069.102082][ T74] [ 4069.104099][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4069.104099][ T74] netdev_get_by_index+0x5e/0x80 [ 4069.104099][ T74] fib6_nh_init+0x3d8/0x1580 [ 4069.104099][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4069.104099][ T74] ip6_route_add+0x1c/0x140 [ 4069.104099][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4069.104099][ T74] addrconf_add_dev+0xe2/0x170 [ 4069.104099][ T74] inet6_addr_add+0x12f/0xa40 [ 4069.104099][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4069.104099][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4069.104099][ T74] netlink_rcv_skb+0x130/0x360 [ 4069.104099][ T74] netlink_unicast+0x449/0x710 [ 4069.104099][ T74] netlink_sendmsg+0x723/0xbe0 [ 4069.104099][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4069.104099][ T74] ___sys_sendmsg+0xee/0x170 [ 4069.104099][ T74] __sys_sendmsg+0xcd/0x170 [ 4069.104099][ T74] do_syscall_64+0xc6/0x1e0 [ 4069.104099][ T74] [ 4069.106219][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4069.106219][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4069.106219][ T74] ipv6_find_idev+0x102/0x170 [ 4069.106219][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4069.106219][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4069.106219][ T74] netlink_rcv_skb+0x130/0x360 [ 4069.106219][ T74] netlink_unicast+0x449/0x710 [ 4069.106219][ T74] netlink_sendmsg+0x723/0xbe0 [ 4069.106219][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4069.106219][ T74] ___sys_sendmsg+0xee/0x170 [ 4069.106219][ T74] __sys_sendmsg+0xcd/0x170 [ 4069.106219][ T74] do_syscall_64+0xc6/0x1e0 [ 4069.106219][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4069.106219][ T74] [ 4069.107992][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4069.107992][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4069.107992][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4069.107992][ T74] ipv6_find_idev+0x102/0x170 [ 4069.107992][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4069.107992][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4069.107992][ T74] netlink_rcv_skb+0x130/0x360 [ 4069.107992][ T74] netlink_unicast+0x449/0x710 [ 4069.107992][ T74] netlink_sendmsg+0x723/0xbe0 [ 4069.107992][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4069.107992][ T74] ___sys_sendmsg+0xee/0x170 [ 4069.107992][ T74] __sys_sendmsg+0xcd/0x170 [ 4069.107992][ T74] do_syscall_64+0xc6/0x1e0 [ 4069.107992][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4069.107992][ T74] [ 4069.109930][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4069.110172][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4069.110172][ T74] netdev_get_by_index+0x5e/0x80 [ 4069.110172][ T74] fib6_nh_init+0x3d8/0x1580 [ 4069.110172][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4069.110172][ T74] ip6_route_add+0x1c/0x140 [ 4069.110172][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4069.110172][ T74] inet6_addr_add+0x4f8/0xa40 [ 4069.110172][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4069.110172][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4069.110172][ T74] netlink_rcv_skb+0x130/0x360 [ 4069.110172][ T74] netlink_unicast+0x449/0x710 [ 4069.110172][ T74] netlink_sendmsg+0x723/0xbe0 [ 4069.110172][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4069.110172][ T74] ___sys_sendmsg+0xee/0x170 [ 4069.110172][ T74] __sys_sendmsg+0xcd/0x170 [ 4069.110172][ T74] do_syscall_64+0xc6/0x1e0 [ 4069.110172][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4069.110172][ T74] [ 4069.112457][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4069.112457][ T74] netdev_get_by_index+0x5e/0x80 [ 4069.112457][ T74] fib6_nh_init+0x3d8/0x1580 [ 4069.112457][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4069.112457][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4069.112457][ T74] ipv6_add_addr+0x411/0x2000 [ 4069.112457][ T74] inet6_addr_add+0x30e/0xa40 [ 4069.112457][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4069.112457][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4069.112457][ T74] netlink_rcv_skb+0x130/0x360 [ 4069.112457][ T74] netlink_unicast+0x449/0x710 [ 4069.112457][ T74] netlink_sendmsg+0x723/0xbe0 [ 4069.112457][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4069.112457][ T74] ___sys_sendmsg+0xee/0x170 [ 4069.112457][ T74] __sys_sendmsg+0xcd/0x170 [ 4069.112457][ T74] do_syscall_64+0xc6/0x1e0 [ 4069.112457][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4069.112457][ T74] [ 4069.114665][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4069.114665][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4069.114665][ T74] ipv6_find_idev+0x102/0x170 [ 4069.114665][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4069.114665][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4069.114665][ T74] netlink_rcv_skb+0x130/0x360 [ 4069.114665][ T74] netlink_unicast+0x449/0x710 [ 4069.114665][ T74] netlink_sendmsg+0x723/0xbe0 [ 4069.114665][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4069.114665][ T74] ___sys_sendmsg+0xee/0x170 [ 4069.114665][ T74] __sys_sendmsg+0xcd/0x170 [ 4069.114665][ T74] do_syscall_64+0xc6/0x1e0 [ 4069.114665][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4069.114665][ T74] [ 4069.116775][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4069.116775][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4069.116775][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4069.116775][ T74] ipv6_find_idev+0x102/0x170 [ 4069.116775][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4069.116775][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4069.116775][ T74] netlink_rcv_skb+0x130/0x360 [ 4069.116775][ T74] netlink_unicast+0x449/0x710 [ 4069.116775][ T74] netlink_sendmsg+0x723/0xbe0 [ 4069.116775][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4069.116775][ T74] ___sys_sendmsg+0xee/0x170 [ 4069.116775][ T74] __sys_sendmsg+0xcd/0x170 [ 4069.116775][ T74] do_syscall_64+0xc6/0x1e0 [ 4069.116775][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4069.116775][ T74] [ 4079.359913][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4079.360293][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4079.360293][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4079.360293][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4079.360293][ T74] fib6_nh_init+0xa22/0x1580 [ 4079.360293][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4079.360293][ T74] ip6_route_add+0x1c/0x140 [ 4079.360293][ T74] inet6_rtm_newroute+0x104/0x110 [ 4079.360293][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4079.360293][ T74] netlink_rcv_skb+0x130/0x360 [ 4079.360293][ T74] netlink_unicast+0x449/0x710 [ 4079.360293][ T74] netlink_sendmsg+0x723/0xbe0 [ 4079.360293][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4079.360293][ T74] ___sys_sendmsg+0xee/0x170 [ 4079.360293][ T74] __sys_sendmsg+0xcd/0x170 [ 4079.360293][ T74] do_syscall_64+0xc6/0x1e0 [ 4079.360293][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4079.360293][ T74] [ 4079.362264][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4079.362264][ T74] netdev_get_by_index+0x5e/0x80 [ 4079.362264][ T74] fib6_nh_init+0x3d8/0x1580 [ 4079.362264][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4079.362264][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4079.362264][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4079.362264][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4079.362264][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4079.362264][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4079.362264][ T74] addrconf_dad_begin+0x310/0x670 [ 4079.362264][ T74] addrconf_dad_work+0x10b/0xab0 [ 4079.362264][ T74] process_one_work+0x84d/0x18a0 [ 4079.362264][ T74] worker_thread+0x587/0xd30 [ 4079.362264][ T74] kthread+0x28a/0x350 [ 4079.362264][ T74] ret_from_fork+0x31/0x70 [ 4079.362264][ T74] ret_from_fork_asm+0x1a/0x30 [ 4079.362264][ T74] [ 4079.364219][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4079.364219][ T74] netdev_get_by_index+0x5e/0x80 [ 4079.364219][ T74] fib6_nh_init+0x3d8/0x1580 [ 4079.364219][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4079.364219][ T74] ip6_route_add+0x1c/0x140 [ 4079.364219][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4079.364219][ T74] inet6_addr_add+0x4f8/0xa40 [ 4079.364219][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4079.364219][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4079.364219][ T74] netlink_rcv_skb+0x130/0x360 [ 4079.364219][ T74] netlink_unicast+0x449/0x710 [ 4079.364219][ T74] netlink_sendmsg+0x723/0xbe0 [ 4079.364219][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4079.364219][ T74] ___sys_sendmsg+0xee/0x170 [ 4079.364219][ T74] __sys_sendmsg+0xcd/0x170 [ 4079.364219][ T74] do_syscall_64+0xc6/0x1e0 [ 4079.364219][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4079.364219][ T74] [ 4079.366247][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4079.366247][ T74] netdev_get_by_index+0x5e/0x80 [ 4079.366247][ T74] fib6_nh_init+0x3d8/0x1580 [ 4079.366247][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4079.366247][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4079.366247][ T74] ipv6_add_addr+0x411/0x2000 [ 4079.366247][ T74] inet6_addr_add+0x30e/0xa40 [ 4079.366247][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4079.366247][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4079.366247][ T74] netlink_rcv_skb+0x130/0x360 [ 4079.366247][ T74] netlink_unicast+0x449/0x710 [ 4079.366247][ T74] netlink_sendmsg+0x723/0xbe0 [ 4079.366247][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4079.366247][ T74] ___sys_sendmsg+0xee/0x170 [ 4079.366247][ T74] __sys_sendmsg+0xcd/0x170 [ 4079.366247][ T74] do_syscall_64+0xc6/0x1e0 [ 4079.366247][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4079.366247][ T74] [ 4079.368266][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4079.368266][ T74] netdev_get_by_index+0x5e/0x80 [ 4079.368266][ T74] fib6_nh_init+0x3d8/0x1580 [ 4079.368266][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4079.368266][ T74] ip6_route_add+0x1c/0x140 [ 4079.368266][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4079.368266][ T74] addrconf_add_dev+0xe2/0x170 [ 4079.368266][ T74] inet6_addr_add+0x12f/0xa40 [ 4079.368266][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4079.368266][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4079.368266][ T74] netlink_rcv_skb+0x130/0x360 [ 4079.368266][ T74] netlink_unicast+0x449/0x710 [ 4079.368266][ T74] netlink_sendmsg+0x723/0xbe0 [ 4079.368266][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4079.368266][ T74] ___sys_sendmsg+0xee/0x170 [ 4079.368266][ T74] __sys_sendmsg+0xcd/0x170 [ 4079.368266][ T74] do_syscall_64+0xc6/0x1e0 [ 4079.368266][ T74] [ 4079.370259][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4079.370259][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4079.370259][ T74] ipv6_find_idev+0x102/0x170 [ 4079.370259][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4079.370259][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4079.370259][ T74] netlink_rcv_skb+0x130/0x360 [ 4079.370259][ T74] netlink_unicast+0x449/0x710 [ 4079.370259][ T74] netlink_sendmsg+0x723/0xbe0 [ 4079.370259][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4079.370259][ T74] ___sys_sendmsg+0xee/0x170 [ 4079.370259][ T74] __sys_sendmsg+0xcd/0x170 [ 4079.370259][ T74] do_syscall_64+0xc6/0x1e0 [ 4079.370259][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4079.370259][ T74] [ 4079.371814][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4079.371814][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4079.371814][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4079.371814][ T74] ipv6_find_idev+0x102/0x170 [ 4079.371814][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4079.371814][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4079.371814][ T74] netlink_rcv_skb+0x130/0x360 [ 4079.371814][ T74] netlink_unicast+0x449/0x710 [ 4079.371814][ T74] netlink_sendmsg+0x723/0xbe0 [ 4079.371814][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4079.371814][ T74] ___sys_sendmsg+0xee/0x170 [ 4079.371814][ T74] __sys_sendmsg+0xcd/0x170 [ 4079.371814][ T74] do_syscall_64+0xc6/0x1e0 [ 4079.371814][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4079.371814][ T74] [ 4079.373541][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4079.373861][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4079.373861][ T74] dst_init+0x84/0x4a0 [ 4079.373861][ T74] dst_alloc+0x97/0x150 [ 4079.373861][ T74] ip6_dst_alloc+0x23/0x90 [ 4079.373861][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4079.373861][ T74] ip6_pol_route+0x56f/0x840 [ 4079.373861][ T74] fib6_rule_lookup+0x456/0x630 [ 4079.373861][ T74] ip6_route_input+0x59c/0xa50 [ 4079.373861][ T74] ipv6_rcv+0x397/0x810 [ 4079.373861][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4079.373861][ T74] process_backlog+0x101/0x620 [ 4079.373861][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4079.373861][ T74] net_rx_action+0x495/0xbe0 [ 4079.373861][ T74] __do_softirq+0x1b5/0x7f6 [ 4079.373861][ T74] [ 4079.375518][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4079.375518][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4079.375518][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4079.375518][ T74] fib6_nh_init+0xa22/0x1580 [ 4079.375518][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4079.375518][ T74] ip6_route_add+0x1c/0x140 [ 4079.375518][ T74] inet6_rtm_newroute+0x104/0x110 [ 4079.375518][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4079.375518][ T74] netlink_rcv_skb+0x130/0x360 [ 4079.375518][ T74] netlink_unicast+0x449/0x710 [ 4079.375518][ T74] netlink_sendmsg+0x723/0xbe0 [ 4079.375518][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4079.375518][ T74] ___sys_sendmsg+0xee/0x170 [ 4079.375518][ T74] __sys_sendmsg+0xcd/0x170 [ 4079.375518][ T74] do_syscall_64+0xc6/0x1e0 [ 4079.375518][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4079.375518][ T74] [ 4079.377411][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4079.377411][ T74] netdev_get_by_index+0x5e/0x80 [ 4079.377411][ T74] fib6_nh_init+0x3d8/0x1580 [ 4079.377411][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4079.377411][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4079.377411][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4079.377411][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4079.377411][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4079.377411][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4079.377411][ T74] addrconf_dad_begin+0x310/0x670 [ 4079.377411][ T74] addrconf_dad_work+0x10b/0xab0 [ 4079.377411][ T74] process_one_work+0x84d/0x18a0 [ 4079.377411][ T74] worker_thread+0x587/0xd30 [ 4079.377411][ T74] kthread+0x28a/0x350 [ 4079.377411][ T74] ret_from_fork+0x31/0x70 [ 4079.377411][ T74] ret_from_fork_asm+0x1a/0x30 [ 4079.377411][ T74] [ 4079.379341][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4079.379341][ T74] netdev_get_by_index+0x5e/0x80 [ 4079.379341][ T74] fib6_nh_init+0x3d8/0x1580 [ 4079.379341][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4079.379341][ T74] ip6_route_add+0x1c/0x140 [ 4079.379341][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4079.379341][ T74] inet6_addr_add+0x4f8/0xa40 [ 4079.379341][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4079.379341][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4079.379341][ T74] netlink_rcv_skb+0x130/0x360 [ 4079.379341][ T74] netlink_unicast+0x449/0x710 [ 4079.379341][ T74] netlink_sendmsg+0x723/0xbe0 [ 4079.379341][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4079.379341][ T74] ___sys_sendmsg+0xee/0x170 [ 4079.379341][ T74] __sys_sendmsg+0xcd/0x170 [ 4079.379341][ T74] do_syscall_64+0xc6/0x1e0 [ 4079.379341][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4079.379341][ T74] [ 4079.381366][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4079.381366][ T74] netdev_get_by_index+0x5e/0x80 [ 4079.381366][ T74] fib6_nh_init+0x3d8/0x1580 [ 4079.381366][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4079.381366][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4079.381366][ T74] ipv6_add_addr+0x411/0x2000 [ 4079.381366][ T74] inet6_addr_add+0x30e/0xa40 [ 4079.381366][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4079.381366][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4079.381366][ T74] netlink_rcv_skb+0x130/0x360 [ 4079.381366][ T74] netlink_unicast+0x449/0x710 [ 4079.381366][ T74] netlink_sendmsg+0x723/0xbe0 [ 4079.381366][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4079.381366][ T74] ___sys_sendmsg+0xee/0x170 [ 4079.381366][ T74] __sys_sendmsg+0xcd/0x170 [ 4079.381366][ T74] do_syscall_64+0xc6/0x1e0 [ 4079.381366][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4079.381366][ T74] [ 4079.383392][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4079.383392][ T74] netdev_get_by_index+0x5e/0x80 [ 4079.383392][ T74] fib6_nh_init+0x3d8/0x1580 [ 4079.383392][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4079.383392][ T74] ip6_route_add+0x1c/0x140 [ 4079.383392][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4079.383392][ T74] addrconf_add_dev+0xe2/0x170 [ 4079.383392][ T74] inet6_addr_add+0x12f/0xa40 [ 4079.383392][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4079.383392][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4079.383392][ T74] netlink_rcv_skb+0x130/0x360 [ 4079.383392][ T74] netlink_unicast+0x449/0x710 [ 4079.383392][ T74] netlink_sendmsg+0x723/0xbe0 [ 4079.383392][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4079.383392][ T74] ___sys_sendmsg+0xee/0x170 [ 4079.383392][ T74] __sys_sendmsg+0xcd/0x170 [ 4079.383392][ T74] do_syscall_64+0xc6/0x1e0 [ 4079.383392][ T74] [ 4079.385367][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4079.385367][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4079.385367][ T74] ipv6_find_idev+0x102/0x170 [ 4079.385367][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4079.385367][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4079.385367][ T74] netlink_rcv_skb+0x130/0x360 [ 4079.385367][ T74] netlink_unicast+0x449/0x710 [ 4079.385367][ T74] netlink_sendmsg+0x723/0xbe0 [ 4079.385367][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4079.385367][ T74] ___sys_sendmsg+0xee/0x170 [ 4079.385367][ T74] __sys_sendmsg+0xcd/0x170 [ 4079.385367][ T74] do_syscall_64+0xc6/0x1e0 [ 4079.385367][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4079.385367][ T74] [ 4079.387106][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4079.387106][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4079.387106][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4079.387106][ T74] ipv6_find_idev+0x102/0x170 [ 4079.387106][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4079.387106][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4079.387106][ T74] netlink_rcv_skb+0x130/0x360 [ 4079.387106][ T74] netlink_unicast+0x449/0x710 [ 4079.387106][ T74] netlink_sendmsg+0x723/0xbe0 [ 4079.387106][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4079.387106][ T74] ___sys_sendmsg+0xee/0x170 [ 4079.387106][ T74] __sys_sendmsg+0xcd/0x170 [ 4079.387106][ T74] do_syscall_64+0xc6/0x1e0 [ 4079.387106][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4079.387106][ T74] [ 4079.389020][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4079.389329][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4079.389329][ T74] netdev_get_by_index+0x5e/0x80 [ 4079.389329][ T74] fib6_nh_init+0x3d8/0x1580 [ 4079.389329][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4079.389329][ T74] ip6_route_add+0x1c/0x140 [ 4079.389329][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4079.389329][ T74] inet6_addr_add+0x4f8/0xa40 [ 4079.389329][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4079.389329][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4079.389329][ T74] netlink_rcv_skb+0x130/0x360 [ 4079.389329][ T74] netlink_unicast+0x449/0x710 [ 4079.389329][ T74] netlink_sendmsg+0x723/0xbe0 [ 4079.389329][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4079.389329][ T74] ___sys_sendmsg+0xee/0x170 [ 4079.389329][ T74] __sys_sendmsg+0xcd/0x170 [ 4079.389329][ T74] do_syscall_64+0xc6/0x1e0 [ 4079.389329][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4079.389329][ T74] [ 4079.391582][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4079.391582][ T74] netdev_get_by_index+0x5e/0x80 [ 4079.391582][ T74] fib6_nh_init+0x3d8/0x1580 [ 4079.391582][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4079.391582][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4079.391582][ T74] ipv6_add_addr+0x411/0x2000 [ 4079.391582][ T74] inet6_addr_add+0x30e/0xa40 [ 4079.391582][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4079.391582][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4079.391582][ T74] netlink_rcv_skb+0x130/0x360 [ 4079.391582][ T74] netlink_unicast+0x449/0x710 [ 4079.391582][ T74] netlink_sendmsg+0x723/0xbe0 [ 4079.391582][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4079.391582][ T74] ___sys_sendmsg+0xee/0x170 [ 4079.391582][ T74] __sys_sendmsg+0xcd/0x170 [ 4079.391582][ T74] do_syscall_64+0xc6/0x1e0 [ 4079.391582][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4079.391582][ T74] [ 4079.393837][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4079.393837][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4079.393837][ T74] ipv6_find_idev+0x102/0x170 [ 4079.393837][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4079.393837][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4079.393837][ T74] netlink_rcv_skb+0x130/0x360 [ 4079.393837][ T74] netlink_unicast+0x449/0x710 [ 4079.393837][ T74] netlink_sendmsg+0x723/0xbe0 [ 4079.393837][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4079.393837][ T74] ___sys_sendmsg+0xee/0x170 [ 4079.393837][ T74] __sys_sendmsg+0xcd/0x170 [ 4079.393837][ T74] do_syscall_64+0xc6/0x1e0 [ 4079.393837][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4079.393837][ T74] [ 4079.395600][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4079.395600][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4079.395600][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4079.395600][ T74] ipv6_find_idev+0x102/0x170 [ 4079.395600][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4079.395600][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4079.395600][ T74] netlink_rcv_skb+0x130/0x360 [ 4079.395600][ T74] netlink_unicast+0x449/0x710 [ 4079.395600][ T74] netlink_sendmsg+0x723/0xbe0 [ 4079.395600][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4079.395600][ T74] ___sys_sendmsg+0xee/0x170 [ 4079.395600][ T74] __sys_sendmsg+0xcd/0x170 [ 4079.395600][ T74] do_syscall_64+0xc6/0x1e0 [ 4079.395600][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4079.395600][ T74] [ 4089.639943][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4089.640319][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4089.640319][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4089.640319][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4089.640319][ T74] fib6_nh_init+0xa22/0x1580 [ 4089.640319][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4089.640319][ T74] ip6_route_add+0x1c/0x140 [ 4089.640319][ T74] inet6_rtm_newroute+0x104/0x110 [ 4089.640319][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4089.640319][ T74] netlink_rcv_skb+0x130/0x360 [ 4089.640319][ T74] netlink_unicast+0x449/0x710 [ 4089.640319][ T74] netlink_sendmsg+0x723/0xbe0 [ 4089.640319][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4089.640319][ T74] ___sys_sendmsg+0xee/0x170 [ 4089.640319][ T74] __sys_sendmsg+0xcd/0x170 [ 4089.640319][ T74] do_syscall_64+0xc6/0x1e0 [ 4089.640319][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4089.640319][ T74] [ 4089.642209][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4089.642209][ T74] netdev_get_by_index+0x5e/0x80 [ 4089.642209][ T74] fib6_nh_init+0x3d8/0x1580 [ 4089.642209][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4089.642209][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4089.642209][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4089.642209][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4089.642209][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4089.642209][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4089.642209][ T74] addrconf_dad_begin+0x310/0x670 [ 4089.642209][ T74] addrconf_dad_work+0x10b/0xab0 [ 4089.642209][ T74] process_one_work+0x84d/0x18a0 [ 4089.642209][ T74] worker_thread+0x587/0xd30 [ 4089.642209][ T74] kthread+0x28a/0x350 [ 4089.642209][ T74] ret_from_fork+0x31/0x70 [ 4089.642209][ T74] ret_from_fork_asm+0x1a/0x30 [ 4089.642209][ T74] [ 4089.644110][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4089.644110][ T74] netdev_get_by_index+0x5e/0x80 [ 4089.644110][ T74] fib6_nh_init+0x3d8/0x1580 [ 4089.644110][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4089.644110][ T74] ip6_route_add+0x1c/0x140 [ 4089.644110][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4089.644110][ T74] inet6_addr_add+0x4f8/0xa40 [ 4089.644110][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4089.644110][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4089.644110][ T74] netlink_rcv_skb+0x130/0x360 [ 4089.644110][ T74] netlink_unicast+0x449/0x710 [ 4089.644110][ T74] netlink_sendmsg+0x723/0xbe0 [ 4089.644110][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4089.644110][ T74] ___sys_sendmsg+0xee/0x170 [ 4089.644110][ T74] __sys_sendmsg+0xcd/0x170 [ 4089.644110][ T74] do_syscall_64+0xc6/0x1e0 [ 4089.644110][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4089.644110][ T74] [ 4089.646109][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4089.646109][ T74] netdev_get_by_index+0x5e/0x80 [ 4089.646109][ T74] fib6_nh_init+0x3d8/0x1580 [ 4089.646109][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4089.646109][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4089.646109][ T74] ipv6_add_addr+0x411/0x2000 [ 4089.646109][ T74] inet6_addr_add+0x30e/0xa40 [ 4089.646109][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4089.646109][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4089.646109][ T74] netlink_rcv_skb+0x130/0x360 [ 4089.646109][ T74] netlink_unicast+0x449/0x710 [ 4089.646109][ T74] netlink_sendmsg+0x723/0xbe0 [ 4089.646109][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4089.646109][ T74] ___sys_sendmsg+0xee/0x170 [ 4089.646109][ T74] __sys_sendmsg+0xcd/0x170 [ 4089.646109][ T74] do_syscall_64+0xc6/0x1e0 [ 4089.646109][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4089.646109][ T74] [ 4089.648110][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4089.648110][ T74] netdev_get_by_index+0x5e/0x80 [ 4089.648110][ T74] fib6_nh_init+0x3d8/0x1580 [ 4089.648110][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4089.648110][ T74] ip6_route_add+0x1c/0x140 [ 4089.648110][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4089.648110][ T74] addrconf_add_dev+0xe2/0x170 [ 4089.648110][ T74] inet6_addr_add+0x12f/0xa40 [ 4089.648110][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4089.648110][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4089.648110][ T74] netlink_rcv_skb+0x130/0x360 [ 4089.648110][ T74] netlink_unicast+0x449/0x710 [ 4089.648110][ T74] netlink_sendmsg+0x723/0xbe0 [ 4089.648110][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4089.648110][ T74] ___sys_sendmsg+0xee/0x170 [ 4089.648110][ T74] __sys_sendmsg+0xcd/0x170 [ 4089.648110][ T74] do_syscall_64+0xc6/0x1e0 [ 4089.648110][ T74] [ 4089.650075][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4089.650075][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4089.650075][ T74] ipv6_find_idev+0x102/0x170 [ 4089.650075][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4089.650075][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4089.650075][ T74] netlink_rcv_skb+0x130/0x360 [ 4089.650075][ T74] netlink_unicast+0x449/0x710 [ 4089.650075][ T74] netlink_sendmsg+0x723/0xbe0 [ 4089.650075][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4089.650075][ T74] ___sys_sendmsg+0xee/0x170 [ 4089.650075][ T74] __sys_sendmsg+0xcd/0x170 [ 4089.650075][ T74] do_syscall_64+0xc6/0x1e0 [ 4089.650075][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4089.650075][ T74] [ 4089.651615][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4089.651615][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4089.651615][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4089.651615][ T74] ipv6_find_idev+0x102/0x170 [ 4089.651615][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4089.651615][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4089.651615][ T74] netlink_rcv_skb+0x130/0x360 [ 4089.651615][ T74] netlink_unicast+0x449/0x710 [ 4089.651615][ T74] netlink_sendmsg+0x723/0xbe0 [ 4089.651615][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4089.651615][ T74] ___sys_sendmsg+0xee/0x170 [ 4089.651615][ T74] __sys_sendmsg+0xcd/0x170 [ 4089.651615][ T74] do_syscall_64+0xc6/0x1e0 [ 4089.651615][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4089.651615][ T74] [ 4089.653312][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4089.653587][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4089.653587][ T74] dst_init+0x84/0x4a0 [ 4089.653587][ T74] dst_alloc+0x97/0x150 [ 4089.653587][ T74] ip6_dst_alloc+0x23/0x90 [ 4089.653587][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4089.653587][ T74] ip6_pol_route+0x56f/0x840 [ 4089.653587][ T74] fib6_rule_lookup+0x456/0x630 [ 4089.653587][ T74] ip6_route_input+0x59c/0xa50 [ 4089.653587][ T74] ipv6_rcv+0x397/0x810 [ 4089.653587][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4089.653587][ T74] process_backlog+0x101/0x620 [ 4089.653587][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4089.653587][ T74] net_rx_action+0x495/0xbe0 [ 4089.653587][ T74] __do_softirq+0x1b5/0x7f6 [ 4089.653587][ T74] [ 4089.655220][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4089.655220][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4089.655220][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4089.655220][ T74] fib6_nh_init+0xa22/0x1580 [ 4089.655220][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4089.655220][ T74] ip6_route_add+0x1c/0x140 [ 4089.655220][ T74] inet6_rtm_newroute+0x104/0x110 [ 4089.655220][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4089.655220][ T74] netlink_rcv_skb+0x130/0x360 [ 4089.655220][ T74] netlink_unicast+0x449/0x710 [ 4089.655220][ T74] netlink_sendmsg+0x723/0xbe0 [ 4089.655220][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4089.655220][ T74] ___sys_sendmsg+0xee/0x170 [ 4089.655220][ T74] __sys_sendmsg+0xcd/0x170 [ 4089.655220][ T74] do_syscall_64+0xc6/0x1e0 [ 4089.655220][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4089.655220][ T74] [ 4089.657088][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4089.657088][ T74] netdev_get_by_index+0x5e/0x80 [ 4089.657088][ T74] fib6_nh_init+0x3d8/0x1580 [ 4089.657088][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4089.657088][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4089.657088][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4089.657088][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4089.657088][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4089.657088][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4089.657088][ T74] addrconf_dad_begin+0x310/0x670 [ 4089.657088][ T74] addrconf_dad_work+0x10b/0xab0 [ 4089.657088][ T74] process_one_work+0x84d/0x18a0 [ 4089.657088][ T74] worker_thread+0x587/0xd30 [ 4089.657088][ T74] kthread+0x28a/0x350 [ 4089.657088][ T74] ret_from_fork+0x31/0x70 [ 4089.657088][ T74] ret_from_fork_asm+0x1a/0x30 [ 4089.657088][ T74] [ 4089.658989][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4089.658989][ T74] netdev_get_by_index+0x5e/0x80 [ 4089.658989][ T74] fib6_nh_init+0x3d8/0x1580 [ 4089.658989][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4089.658989][ T74] ip6_route_add+0x1c/0x140 [ 4089.658989][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4089.658989][ T74] inet6_addr_add+0x4f8/0xa40 [ 4089.658989][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4089.658989][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4089.658989][ T74] netlink_rcv_skb+0x130/0x360 [ 4089.658989][ T74] netlink_unicast+0x449/0x710 [ 4089.658989][ T74] netlink_sendmsg+0x723/0xbe0 [ 4089.658989][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4089.658989][ T74] ___sys_sendmsg+0xee/0x170 [ 4089.658989][ T74] __sys_sendmsg+0xcd/0x170 [ 4089.658989][ T74] do_syscall_64+0xc6/0x1e0 [ 4089.658989][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4089.658989][ T74] [ 4089.660987][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4089.660987][ T74] netdev_get_by_index+0x5e/0x80 [ 4089.660987][ T74] fib6_nh_init+0x3d8/0x1580 [ 4089.660987][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4089.660987][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4089.660987][ T74] ipv6_add_addr+0x411/0x2000 [ 4089.660987][ T74] inet6_addr_add+0x30e/0xa40 [ 4089.660987][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4089.660987][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4089.660987][ T74] netlink_rcv_skb+0x130/0x360 [ 4089.660987][ T74] netlink_unicast+0x449/0x710 [ 4089.660987][ T74] netlink_sendmsg+0x723/0xbe0 [ 4089.660987][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4089.660987][ T74] ___sys_sendmsg+0xee/0x170 [ 4089.660987][ T74] __sys_sendmsg+0xcd/0x170 [ 4089.660987][ T74] do_syscall_64+0xc6/0x1e0 [ 4089.660987][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4089.660987][ T74] [ 4089.662973][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4089.662973][ T74] netdev_get_by_index+0x5e/0x80 [ 4089.662973][ T74] fib6_nh_init+0x3d8/0x1580 [ 4089.662973][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4089.662973][ T74] ip6_route_add+0x1c/0x140 [ 4089.662973][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4089.662973][ T74] addrconf_add_dev+0xe2/0x170 [ 4089.662973][ T74] inet6_addr_add+0x12f/0xa40 [ 4089.662973][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4089.662973][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4089.662973][ T74] netlink_rcv_skb+0x130/0x360 [ 4089.662973][ T74] netlink_unicast+0x449/0x710 [ 4089.662973][ T74] netlink_sendmsg+0x723/0xbe0 [ 4089.662973][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4089.662973][ T74] ___sys_sendmsg+0xee/0x170 [ 4089.662973][ T74] __sys_sendmsg+0xcd/0x170 [ 4089.662973][ T74] do_syscall_64+0xc6/0x1e0 [ 4089.662973][ T74] [ 4089.664922][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4089.664922][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4089.664922][ T74] ipv6_find_idev+0x102/0x170 [ 4089.664922][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4089.664922][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4089.664922][ T74] netlink_rcv_skb+0x130/0x360 [ 4089.664922][ T74] netlink_unicast+0x449/0x710 [ 4089.664922][ T74] netlink_sendmsg+0x723/0xbe0 [ 4089.664922][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4089.664922][ T74] ___sys_sendmsg+0xee/0x170 [ 4089.664922][ T74] __sys_sendmsg+0xcd/0x170 [ 4089.664922][ T74] do_syscall_64+0xc6/0x1e0 [ 4089.664922][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4089.664922][ T74] [ 4089.666637][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4089.666637][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4089.666637][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4089.666637][ T74] ipv6_find_idev+0x102/0x170 [ 4089.666637][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4089.666637][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4089.666637][ T74] netlink_rcv_skb+0x130/0x360 [ 4089.666637][ T74] netlink_unicast+0x449/0x710 [ 4089.666637][ T74] netlink_sendmsg+0x723/0xbe0 [ 4089.666637][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4089.666637][ T74] ___sys_sendmsg+0xee/0x170 [ 4089.666637][ T74] __sys_sendmsg+0xcd/0x170 [ 4089.666637][ T74] do_syscall_64+0xc6/0x1e0 [ 4089.666637][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4089.666637][ T74] [ 4089.668498][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4089.668736][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4089.668736][ T74] netdev_get_by_index+0x5e/0x80 [ 4089.668736][ T74] fib6_nh_init+0x3d8/0x1580 [ 4089.668736][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4089.668736][ T74] ip6_route_add+0x1c/0x140 [ 4089.668736][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4089.668736][ T74] inet6_addr_add+0x4f8/0xa40 [ 4089.668736][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4089.668736][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4089.668736][ T74] netlink_rcv_skb+0x130/0x360 [ 4089.668736][ T74] netlink_unicast+0x449/0x710 [ 4089.668736][ T74] netlink_sendmsg+0x723/0xbe0 [ 4089.668736][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4089.668736][ T74] ___sys_sendmsg+0xee/0x170 [ 4089.668736][ T74] __sys_sendmsg+0xcd/0x170 [ 4089.668736][ T74] do_syscall_64+0xc6/0x1e0 [ 4089.668736][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4089.668736][ T74] [ 4089.670971][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4089.670971][ T74] netdev_get_by_index+0x5e/0x80 [ 4089.670971][ T74] fib6_nh_init+0x3d8/0x1580 [ 4089.670971][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4089.670971][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4089.670971][ T74] ipv6_add_addr+0x411/0x2000 [ 4089.670971][ T74] inet6_addr_add+0x30e/0xa40 [ 4089.670971][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4089.670971][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4089.670971][ T74] netlink_rcv_skb+0x130/0x360 [ 4089.670971][ T74] netlink_unicast+0x449/0x710 [ 4089.670971][ T74] netlink_sendmsg+0x723/0xbe0 [ 4089.670971][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4089.670971][ T74] ___sys_sendmsg+0xee/0x170 [ 4089.670971][ T74] __sys_sendmsg+0xcd/0x170 [ 4089.670971][ T74] do_syscall_64+0xc6/0x1e0 [ 4089.670971][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4089.670971][ T74] [ 4089.673198][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4089.673198][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4089.673198][ T74] ipv6_find_idev+0x102/0x170 [ 4089.673198][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4089.673198][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4089.673198][ T74] netlink_rcv_skb+0x130/0x360 [ 4089.673198][ T74] netlink_unicast+0x449/0x710 [ 4089.673198][ T74] netlink_sendmsg+0x723/0xbe0 [ 4089.673198][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4089.673198][ T74] ___sys_sendmsg+0xee/0x170 [ 4089.673198][ T74] __sys_sendmsg+0xcd/0x170 [ 4089.673198][ T74] do_syscall_64+0xc6/0x1e0 [ 4089.673198][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4089.673198][ T74] [ 4089.674971][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4089.674971][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4089.674971][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4089.674971][ T74] ipv6_find_idev+0x102/0x170 [ 4089.674971][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4089.674971][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4089.674971][ T74] netlink_rcv_skb+0x130/0x360 [ 4089.674971][ T74] netlink_unicast+0x449/0x710 [ 4089.674971][ T74] netlink_sendmsg+0x723/0xbe0 [ 4089.674971][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4089.674971][ T74] ___sys_sendmsg+0xee/0x170 [ 4089.674971][ T74] __sys_sendmsg+0xcd/0x170 [ 4089.674971][ T74] do_syscall_64+0xc6/0x1e0 [ 4089.674971][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4089.674971][ T74] [ 4099.911899][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4099.912326][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4099.912326][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4099.912326][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4099.912326][ T74] fib6_nh_init+0xa22/0x1580 [ 4099.912326][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4099.912326][ T74] ip6_route_add+0x1c/0x140 [ 4099.912326][ T74] inet6_rtm_newroute+0x104/0x110 [ 4099.912326][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4099.912326][ T74] netlink_rcv_skb+0x130/0x360 [ 4099.912326][ T74] netlink_unicast+0x449/0x710 [ 4099.912326][ T74] netlink_sendmsg+0x723/0xbe0 [ 4099.912326][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4099.912326][ T74] ___sys_sendmsg+0xee/0x170 [ 4099.912326][ T74] __sys_sendmsg+0xcd/0x170 [ 4099.912326][ T74] do_syscall_64+0xc6/0x1e0 [ 4099.912326][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4099.912326][ T74] [ 4099.914211][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4099.914211][ T74] netdev_get_by_index+0x5e/0x80 [ 4099.914211][ T74] fib6_nh_init+0x3d8/0x1580 [ 4099.914211][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4099.914211][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4099.914211][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4099.914211][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4099.914211][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4099.914211][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4099.914211][ T74] addrconf_dad_begin+0x310/0x670 [ 4099.914211][ T74] addrconf_dad_work+0x10b/0xab0 [ 4099.914211][ T74] process_one_work+0x84d/0x18a0 [ 4099.914211][ T74] worker_thread+0x587/0xd30 [ 4099.914211][ T74] kthread+0x28a/0x350 [ 4099.914211][ T74] ret_from_fork+0x31/0x70 [ 4099.914211][ T74] ret_from_fork_asm+0x1a/0x30 [ 4099.914211][ T74] [ 4099.916115][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4099.916115][ T74] netdev_get_by_index+0x5e/0x80 [ 4099.916115][ T74] fib6_nh_init+0x3d8/0x1580 [ 4099.916115][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4099.916115][ T74] ip6_route_add+0x1c/0x140 [ 4099.916115][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4099.916115][ T74] inet6_addr_add+0x4f8/0xa40 [ 4099.916115][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4099.916115][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4099.916115][ T74] netlink_rcv_skb+0x130/0x360 [ 4099.916115][ T74] netlink_unicast+0x449/0x710 [ 4099.916115][ T74] netlink_sendmsg+0x723/0xbe0 [ 4099.916115][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4099.916115][ T74] ___sys_sendmsg+0xee/0x170 [ 4099.916115][ T74] __sys_sendmsg+0xcd/0x170 [ 4099.916115][ T74] do_syscall_64+0xc6/0x1e0 [ 4099.916115][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4099.916115][ T74] [ 4099.918107][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4099.918107][ T74] netdev_get_by_index+0x5e/0x80 [ 4099.918107][ T74] fib6_nh_init+0x3d8/0x1580 [ 4099.918107][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4099.918107][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4099.918107][ T74] ipv6_add_addr+0x411/0x2000 [ 4099.918107][ T74] inet6_addr_add+0x30e/0xa40 [ 4099.918107][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4099.918107][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4099.918107][ T74] netlink_rcv_skb+0x130/0x360 [ 4099.918107][ T74] netlink_unicast+0x449/0x710 [ 4099.918107][ T74] netlink_sendmsg+0x723/0xbe0 [ 4099.918107][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4099.918107][ T74] ___sys_sendmsg+0xee/0x170 [ 4099.918107][ T74] __sys_sendmsg+0xcd/0x170 [ 4099.918107][ T74] do_syscall_64+0xc6/0x1e0 [ 4099.918107][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4099.918107][ T74] [ 4099.920108][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4099.920108][ T74] netdev_get_by_index+0x5e/0x80 [ 4099.920108][ T74] fib6_nh_init+0x3d8/0x1580 [ 4099.920108][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4099.920108][ T74] ip6_route_add+0x1c/0x140 [ 4099.920108][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4099.920108][ T74] addrconf_add_dev+0xe2/0x170 [ 4099.920108][ T74] inet6_addr_add+0x12f/0xa40 [ 4099.920108][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4099.920108][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4099.920108][ T74] netlink_rcv_skb+0x130/0x360 [ 4099.920108][ T74] netlink_unicast+0x449/0x710 [ 4099.920108][ T74] netlink_sendmsg+0x723/0xbe0 [ 4099.920108][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4099.920108][ T74] ___sys_sendmsg+0xee/0x170 [ 4099.920108][ T74] __sys_sendmsg+0xcd/0x170 [ 4099.920108][ T74] do_syscall_64+0xc6/0x1e0 [ 4099.920108][ T74] [ 4099.922087][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4099.922087][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4099.922087][ T74] ipv6_find_idev+0x102/0x170 [ 4099.922087][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4099.922087][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4099.922087][ T74] netlink_rcv_skb+0x130/0x360 [ 4099.922087][ T74] netlink_unicast+0x449/0x710 [ 4099.922087][ T74] netlink_sendmsg+0x723/0xbe0 [ 4099.922087][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4099.922087][ T74] ___sys_sendmsg+0xee/0x170 [ 4099.922087][ T74] __sys_sendmsg+0xcd/0x170 [ 4099.922087][ T74] do_syscall_64+0xc6/0x1e0 [ 4099.922087][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4099.922087][ T74] [ 4099.923624][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4099.923624][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4099.923624][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4099.923624][ T74] ipv6_find_idev+0x102/0x170 [ 4099.923624][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4099.923624][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4099.923624][ T74] netlink_rcv_skb+0x130/0x360 [ 4099.923624][ T74] netlink_unicast+0x449/0x710 [ 4099.923624][ T74] netlink_sendmsg+0x723/0xbe0 [ 4099.923624][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4099.923624][ T74] ___sys_sendmsg+0xee/0x170 [ 4099.923624][ T74] __sys_sendmsg+0xcd/0x170 [ 4099.923624][ T74] do_syscall_64+0xc6/0x1e0 [ 4099.923624][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4099.923624][ T74] [ 4099.925316][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4099.925591][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4099.925591][ T74] dst_init+0x84/0x4a0 [ 4099.925591][ T74] dst_alloc+0x97/0x150 [ 4099.925591][ T74] ip6_dst_alloc+0x23/0x90 [ 4099.925591][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4099.925591][ T74] ip6_pol_route+0x56f/0x840 [ 4099.925591][ T74] fib6_rule_lookup+0x456/0x630 [ 4099.925591][ T74] ip6_route_input+0x59c/0xa50 [ 4099.925591][ T74] ipv6_rcv+0x397/0x810 [ 4099.925591][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4099.925591][ T74] process_backlog+0x101/0x620 [ 4099.925591][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4099.925591][ T74] net_rx_action+0x495/0xbe0 [ 4099.925591][ T74] __do_softirq+0x1b5/0x7f6 [ 4099.925591][ T74] [ 4099.927230][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4099.927230][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4099.927230][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4099.927230][ T74] fib6_nh_init+0xa22/0x1580 [ 4099.927230][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4099.927230][ T74] ip6_route_add+0x1c/0x140 [ 4099.927230][ T74] inet6_rtm_newroute+0x104/0x110 [ 4099.927230][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4099.927230][ T74] netlink_rcv_skb+0x130/0x360 [ 4099.927230][ T74] netlink_unicast+0x449/0x710 [ 4099.927230][ T74] netlink_sendmsg+0x723/0xbe0 [ 4099.927230][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4099.927230][ T74] ___sys_sendmsg+0xee/0x170 [ 4099.927230][ T74] __sys_sendmsg+0xcd/0x170 [ 4099.927230][ T74] do_syscall_64+0xc6/0x1e0 [ 4099.927230][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4099.927230][ T74] [ 4099.929098][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4099.929098][ T74] netdev_get_by_index+0x5e/0x80 [ 4099.929098][ T74] fib6_nh_init+0x3d8/0x1580 [ 4099.929098][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4099.929098][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4099.929098][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4099.929098][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4099.929098][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4099.929098][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4099.929098][ T74] addrconf_dad_begin+0x310/0x670 [ 4099.929098][ T74] addrconf_dad_work+0x10b/0xab0 [ 4099.929098][ T74] process_one_work+0x84d/0x18a0 [ 4099.929098][ T74] worker_thread+0x587/0xd30 [ 4099.929098][ T74] kthread+0x28a/0x350 [ 4099.929098][ T74] ret_from_fork+0x31/0x70 [ 4099.929098][ T74] ret_from_fork_asm+0x1a/0x30 [ 4099.929098][ T74] [ 4099.931003][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4099.931003][ T74] netdev_get_by_index+0x5e/0x80 [ 4099.931003][ T74] fib6_nh_init+0x3d8/0x1580 [ 4099.931003][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4099.931003][ T74] ip6_route_add+0x1c/0x140 [ 4099.931003][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4099.931003][ T74] inet6_addr_add+0x4f8/0xa40 [ 4099.931003][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4099.931003][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4099.931003][ T74] netlink_rcv_skb+0x130/0x360 [ 4099.931003][ T74] netlink_unicast+0x449/0x710 [ 4099.931003][ T74] netlink_sendmsg+0x723/0xbe0 [ 4099.931003][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4099.931003][ T74] ___sys_sendmsg+0xee/0x170 [ 4099.931003][ T74] __sys_sendmsg+0xcd/0x170 [ 4099.931003][ T74] do_syscall_64+0xc6/0x1e0 [ 4099.931003][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4099.931003][ T74] [ 4099.932988][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4099.932988][ T74] netdev_get_by_index+0x5e/0x80 [ 4099.932988][ T74] fib6_nh_init+0x3d8/0x1580 [ 4099.932988][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4099.932988][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4099.932988][ T74] ipv6_add_addr+0x411/0x2000 [ 4099.932988][ T74] inet6_addr_add+0x30e/0xa40 [ 4099.932988][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4099.932988][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4099.932988][ T74] netlink_rcv_skb+0x130/0x360 [ 4099.932988][ T74] netlink_unicast+0x449/0x710 [ 4099.932988][ T74] netlink_sendmsg+0x723/0xbe0 [ 4099.932988][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4099.932988][ T74] ___sys_sendmsg+0xee/0x170 [ 4099.932988][ T74] __sys_sendmsg+0xcd/0x170 [ 4099.932988][ T74] do_syscall_64+0xc6/0x1e0 [ 4099.932988][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4099.932988][ T74] [ 4099.934979][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4099.934979][ T74] netdev_get_by_index+0x5e/0x80 [ 4099.934979][ T74] fib6_nh_init+0x3d8/0x1580 [ 4099.934979][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4099.934979][ T74] ip6_route_add+0x1c/0x140 [ 4099.934979][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4099.934979][ T74] addrconf_add_dev+0xe2/0x170 [ 4099.934979][ T74] inet6_addr_add+0x12f/0xa40 [ 4099.934979][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4099.934979][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4099.934979][ T74] netlink_rcv_skb+0x130/0x360 [ 4099.934979][ T74] netlink_unicast+0x449/0x710 [ 4099.934979][ T74] netlink_sendmsg+0x723/0xbe0 [ 4099.934979][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4099.934979][ T74] ___sys_sendmsg+0xee/0x170 [ 4099.934979][ T74] __sys_sendmsg+0xcd/0x170 [ 4099.934979][ T74] do_syscall_64+0xc6/0x1e0 [ 4099.934979][ T74] [ 4099.936926][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4099.936926][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4099.936926][ T74] ipv6_find_idev+0x102/0x170 [ 4099.936926][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4099.936926][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4099.936926][ T74] netlink_rcv_skb+0x130/0x360 [ 4099.936926][ T74] netlink_unicast+0x449/0x710 [ 4099.936926][ T74] netlink_sendmsg+0x723/0xbe0 [ 4099.936926][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4099.936926][ T74] ___sys_sendmsg+0xee/0x170 [ 4099.936926][ T74] __sys_sendmsg+0xcd/0x170 [ 4099.936926][ T74] do_syscall_64+0xc6/0x1e0 [ 4099.936926][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4099.936926][ T74] [ 4099.938576][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4099.938576][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4099.938576][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4099.938576][ T74] ipv6_find_idev+0x102/0x170 [ 4099.938576][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4099.938576][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4099.938576][ T74] netlink_rcv_skb+0x130/0x360 [ 4099.938576][ T74] netlink_unicast+0x449/0x710 [ 4099.938576][ T74] netlink_sendmsg+0x723/0xbe0 [ 4099.938576][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4099.938576][ T74] ___sys_sendmsg+0xee/0x170 [ 4099.938576][ T74] __sys_sendmsg+0xcd/0x170 [ 4099.938576][ T74] do_syscall_64+0xc6/0x1e0 [ 4099.938576][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4099.938576][ T74] [ 4099.940636][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4099.940877][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4099.940877][ T74] netdev_get_by_index+0x5e/0x80 [ 4099.940877][ T74] fib6_nh_init+0x3d8/0x1580 [ 4099.940877][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4099.940877][ T74] ip6_route_add+0x1c/0x140 [ 4099.940877][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4099.940877][ T74] inet6_addr_add+0x4f8/0xa40 [ 4099.940877][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4099.940877][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4099.940877][ T74] netlink_rcv_skb+0x130/0x360 [ 4099.940877][ T74] netlink_unicast+0x449/0x710 [ 4099.940877][ T74] netlink_sendmsg+0x723/0xbe0 [ 4099.940877][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4099.940877][ T74] ___sys_sendmsg+0xee/0x170 [ 4099.940877][ T74] __sys_sendmsg+0xcd/0x170 [ 4099.940877][ T74] do_syscall_64+0xc6/0x1e0 [ 4099.940877][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4099.940877][ T74] [ 4099.943109][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4099.943109][ T74] netdev_get_by_index+0x5e/0x80 [ 4099.943109][ T74] fib6_nh_init+0x3d8/0x1580 [ 4099.943109][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4099.943109][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4099.943109][ T74] ipv6_add_addr+0x411/0x2000 [ 4099.943109][ T74] inet6_addr_add+0x30e/0xa40 [ 4099.943109][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4099.943109][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4099.943109][ T74] netlink_rcv_skb+0x130/0x360 [ 4099.943109][ T74] netlink_unicast+0x449/0x710 [ 4099.943109][ T74] netlink_sendmsg+0x723/0xbe0 [ 4099.943109][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4099.943109][ T74] ___sys_sendmsg+0xee/0x170 [ 4099.943109][ T74] __sys_sendmsg+0xcd/0x170 [ 4099.943109][ T74] do_syscall_64+0xc6/0x1e0 [ 4099.943109][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4099.943109][ T74] [ 4099.945347][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4099.945347][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4099.945347][ T74] ipv6_find_idev+0x102/0x170 [ 4099.945347][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4099.945347][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4099.945347][ T74] netlink_rcv_skb+0x130/0x360 [ 4099.945347][ T74] netlink_unicast+0x449/0x710 [ 4099.945347][ T74] netlink_sendmsg+0x723/0xbe0 [ 4099.945347][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4099.945347][ T74] ___sys_sendmsg+0xee/0x170 [ 4099.945347][ T74] __sys_sendmsg+0xcd/0x170 [ 4099.945347][ T74] do_syscall_64+0xc6/0x1e0 [ 4099.945347][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4099.945347][ T74] [ 4099.947064][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4099.947064][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4099.947064][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4099.947064][ T74] ipv6_find_idev+0x102/0x170 [ 4099.947064][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4099.947064][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4099.947064][ T74] netlink_rcv_skb+0x130/0x360 [ 4099.947064][ T74] netlink_unicast+0x449/0x710 [ 4099.947064][ T74] netlink_sendmsg+0x723/0xbe0 [ 4099.947064][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4099.947064][ T74] ___sys_sendmsg+0xee/0x170 [ 4099.947064][ T74] __sys_sendmsg+0xcd/0x170 [ 4099.947064][ T74] do_syscall_64+0xc6/0x1e0 [ 4099.947064][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4099.947064][ T74] [ 4110.191910][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4110.192293][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4110.192293][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4110.192293][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4110.192293][ T74] fib6_nh_init+0xa22/0x1580 [ 4110.192293][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4110.192293][ T74] ip6_route_add+0x1c/0x140 [ 4110.192293][ T74] inet6_rtm_newroute+0x104/0x110 [ 4110.192293][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4110.192293][ T74] netlink_rcv_skb+0x130/0x360 [ 4110.192293][ T74] netlink_unicast+0x449/0x710 [ 4110.192293][ T74] netlink_sendmsg+0x723/0xbe0 [ 4110.192293][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4110.192293][ T74] ___sys_sendmsg+0xee/0x170 [ 4110.192293][ T74] __sys_sendmsg+0xcd/0x170 [ 4110.192293][ T74] do_syscall_64+0xc6/0x1e0 [ 4110.192293][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4110.192293][ T74] [ 4110.194176][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4110.194176][ T74] netdev_get_by_index+0x5e/0x80 [ 4110.194176][ T74] fib6_nh_init+0x3d8/0x1580 [ 4110.194176][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4110.194176][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4110.194176][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4110.194176][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4110.194176][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4110.194176][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4110.194176][ T74] addrconf_dad_begin+0x310/0x670 [ 4110.194176][ T74] addrconf_dad_work+0x10b/0xab0 [ 4110.194176][ T74] process_one_work+0x84d/0x18a0 [ 4110.194176][ T74] worker_thread+0x587/0xd30 [ 4110.194176][ T74] kthread+0x28a/0x350 [ 4110.194176][ T74] ret_from_fork+0x31/0x70 [ 4110.194176][ T74] ret_from_fork_asm+0x1a/0x30 [ 4110.194176][ T74] [ 4110.196079][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4110.196079][ T74] netdev_get_by_index+0x5e/0x80 [ 4110.196079][ T74] fib6_nh_init+0x3d8/0x1580 [ 4110.196079][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4110.196079][ T74] ip6_route_add+0x1c/0x140 [ 4110.196079][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4110.196079][ T74] inet6_addr_add+0x4f8/0xa40 [ 4110.196079][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4110.196079][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4110.196079][ T74] netlink_rcv_skb+0x130/0x360 [ 4110.196079][ T74] netlink_unicast+0x449/0x710 [ 4110.196079][ T74] netlink_sendmsg+0x723/0xbe0 [ 4110.196079][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4110.196079][ T74] ___sys_sendmsg+0xee/0x170 [ 4110.196079][ T74] __sys_sendmsg+0xcd/0x170 [ 4110.196079][ T74] do_syscall_64+0xc6/0x1e0 [ 4110.196079][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4110.196079][ T74] [ 4110.198066][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4110.198066][ T74] netdev_get_by_index+0x5e/0x80 [ 4110.198066][ T74] fib6_nh_init+0x3d8/0x1580 [ 4110.198066][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4110.198066][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4110.198066][ T74] ipv6_add_addr+0x411/0x2000 [ 4110.198066][ T74] inet6_addr_add+0x30e/0xa40 [ 4110.198066][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4110.198066][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4110.198066][ T74] netlink_rcv_skb+0x130/0x360 [ 4110.198066][ T74] netlink_unicast+0x449/0x710 [ 4110.198066][ T74] netlink_sendmsg+0x723/0xbe0 [ 4110.198066][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4110.198066][ T74] ___sys_sendmsg+0xee/0x170 [ 4110.198066][ T74] __sys_sendmsg+0xcd/0x170 [ 4110.198066][ T74] do_syscall_64+0xc6/0x1e0 [ 4110.198066][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4110.198066][ T74] [ 4110.200086][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4110.200086][ T74] netdev_get_by_index+0x5e/0x80 [ 4110.200086][ T74] fib6_nh_init+0x3d8/0x1580 [ 4110.200086][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4110.200086][ T74] ip6_route_add+0x1c/0x140 [ 4110.200086][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4110.200086][ T74] addrconf_add_dev+0xe2/0x170 [ 4110.200086][ T74] inet6_addr_add+0x12f/0xa40 [ 4110.200086][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4110.200086][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4110.200086][ T74] netlink_rcv_skb+0x130/0x360 [ 4110.200086][ T74] netlink_unicast+0x449/0x710 [ 4110.200086][ T74] netlink_sendmsg+0x723/0xbe0 [ 4110.200086][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4110.200086][ T74] ___sys_sendmsg+0xee/0x170 [ 4110.200086][ T74] __sys_sendmsg+0xcd/0x170 [ 4110.200086][ T74] do_syscall_64+0xc6/0x1e0 [ 4110.200086][ T74] [ 4110.202052][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4110.202052][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4110.202052][ T74] ipv6_find_idev+0x102/0x170 [ 4110.202052][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4110.202052][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4110.202052][ T74] netlink_rcv_skb+0x130/0x360 [ 4110.202052][ T74] netlink_unicast+0x449/0x710 [ 4110.202052][ T74] netlink_sendmsg+0x723/0xbe0 [ 4110.202052][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4110.202052][ T74] ___sys_sendmsg+0xee/0x170 [ 4110.202052][ T74] __sys_sendmsg+0xcd/0x170 [ 4110.202052][ T74] do_syscall_64+0xc6/0x1e0 [ 4110.202052][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4110.202052][ T74] [ 4110.203580][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4110.203580][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4110.203580][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4110.203580][ T74] ipv6_find_idev+0x102/0x170 [ 4110.203580][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4110.203580][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4110.203580][ T74] netlink_rcv_skb+0x130/0x360 [ 4110.203580][ T74] netlink_unicast+0x449/0x710 [ 4110.203580][ T74] netlink_sendmsg+0x723/0xbe0 [ 4110.203580][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4110.203580][ T74] ___sys_sendmsg+0xee/0x170 [ 4110.203580][ T74] __sys_sendmsg+0xcd/0x170 [ 4110.203580][ T74] do_syscall_64+0xc6/0x1e0 [ 4110.203580][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4110.203580][ T74] [ 4110.205266][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4110.205545][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4110.205545][ T74] dst_init+0x84/0x4a0 [ 4110.205545][ T74] dst_alloc+0x97/0x150 [ 4110.205545][ T74] ip6_dst_alloc+0x23/0x90 [ 4110.205545][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4110.205545][ T74] ip6_pol_route+0x56f/0x840 [ 4110.205545][ T74] fib6_rule_lookup+0x456/0x630 [ 4110.205545][ T74] ip6_route_input+0x59c/0xa50 [ 4110.205545][ T74] ipv6_rcv+0x397/0x810 [ 4110.205545][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4110.205545][ T74] process_backlog+0x101/0x620 [ 4110.205545][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4110.205545][ T74] net_rx_action+0x495/0xbe0 [ 4110.205545][ T74] __do_softirq+0x1b5/0x7f6 [ 4110.205545][ T74] [ 4110.207178][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4110.207178][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4110.207178][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4110.207178][ T74] fib6_nh_init+0xa22/0x1580 [ 4110.207178][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4110.207178][ T74] ip6_route_add+0x1c/0x140 [ 4110.207178][ T74] inet6_rtm_newroute+0x104/0x110 [ 4110.207178][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4110.207178][ T74] netlink_rcv_skb+0x130/0x360 [ 4110.207178][ T74] netlink_unicast+0x449/0x710 [ 4110.207178][ T74] netlink_sendmsg+0x723/0xbe0 [ 4110.207178][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4110.207178][ T74] ___sys_sendmsg+0xee/0x170 [ 4110.207178][ T74] __sys_sendmsg+0xcd/0x170 [ 4110.207178][ T74] do_syscall_64+0xc6/0x1e0 [ 4110.207178][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4110.207178][ T74] [ 4110.209194][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4110.209194][ T74] netdev_get_by_index+0x5e/0x80 [ 4110.209194][ T74] fib6_nh_init+0x3d8/0x1580 [ 4110.209194][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4110.209194][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4110.209194][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4110.209194][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4110.209194][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4110.209194][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4110.209194][ T74] addrconf_dad_begin+0x310/0x670 [ 4110.209194][ T74] addrconf_dad_work+0x10b/0xab0 [ 4110.209194][ T74] process_one_work+0x84d/0x18a0 [ 4110.209194][ T74] worker_thread+0x587/0xd30 [ 4110.209194][ T74] kthread+0x28a/0x350 [ 4110.209194][ T74] ret_from_fork+0x31/0x70 [ 4110.209194][ T74] ret_from_fork_asm+0x1a/0x30 [ 4110.209194][ T74] [ 4110.211114][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4110.211114][ T74] netdev_get_by_index+0x5e/0x80 [ 4110.211114][ T74] fib6_nh_init+0x3d8/0x1580 [ 4110.211114][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4110.211114][ T74] ip6_route_add+0x1c/0x140 [ 4110.211114][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4110.211114][ T74] inet6_addr_add+0x4f8/0xa40 [ 4110.211114][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4110.211114][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4110.211114][ T74] netlink_rcv_skb+0x130/0x360 [ 4110.211114][ T74] netlink_unicast+0x449/0x710 [ 4110.211114][ T74] netlink_sendmsg+0x723/0xbe0 [ 4110.211114][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4110.211114][ T74] ___sys_sendmsg+0xee/0x170 [ 4110.211114][ T74] __sys_sendmsg+0xcd/0x170 [ 4110.211114][ T74] do_syscall_64+0xc6/0x1e0 [ 4110.211114][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4110.211114][ T74] [ 4110.213107][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4110.213107][ T74] netdev_get_by_index+0x5e/0x80 [ 4110.213107][ T74] fib6_nh_init+0x3d8/0x1580 [ 4110.213107][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4110.213107][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4110.213107][ T74] ipv6_add_addr+0x411/0x2000 [ 4110.213107][ T74] inet6_addr_add+0x30e/0xa40 [ 4110.213107][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4110.213107][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4110.213107][ T74] netlink_rcv_skb+0x130/0x360 [ 4110.213107][ T74] netlink_unicast+0x449/0x710 [ 4110.213107][ T74] netlink_sendmsg+0x723/0xbe0 [ 4110.213107][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4110.213107][ T74] ___sys_sendmsg+0xee/0x170 [ 4110.213107][ T74] __sys_sendmsg+0xcd/0x170 [ 4110.213107][ T74] do_syscall_64+0xc6/0x1e0 [ 4110.213107][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4110.213107][ T74] [ 4110.215131][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4110.215131][ T74] netdev_get_by_index+0x5e/0x80 [ 4110.215131][ T74] fib6_nh_init+0x3d8/0x1580 [ 4110.215131][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4110.215131][ T74] ip6_route_add+0x1c/0x140 [ 4110.215131][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4110.215131][ T74] addrconf_add_dev+0xe2/0x170 [ 4110.215131][ T74] inet6_addr_add+0x12f/0xa40 [ 4110.215131][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4110.215131][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4110.215131][ T74] netlink_rcv_skb+0x130/0x360 [ 4110.215131][ T74] netlink_unicast+0x449/0x710 [ 4110.215131][ T74] netlink_sendmsg+0x723/0xbe0 [ 4110.215131][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4110.215131][ T74] ___sys_sendmsg+0xee/0x170 [ 4110.215131][ T74] __sys_sendmsg+0xcd/0x170 [ 4110.215131][ T74] do_syscall_64+0xc6/0x1e0 [ 4110.215131][ T74] [ 4110.217110][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4110.217110][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4110.217110][ T74] ipv6_find_idev+0x102/0x170 [ 4110.217110][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4110.217110][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4110.217110][ T74] netlink_rcv_skb+0x130/0x360 [ 4110.217110][ T74] netlink_unicast+0x449/0x710 [ 4110.217110][ T74] netlink_sendmsg+0x723/0xbe0 [ 4110.217110][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4110.217110][ T74] ___sys_sendmsg+0xee/0x170 [ 4110.217110][ T74] __sys_sendmsg+0xcd/0x170 [ 4110.217110][ T74] do_syscall_64+0xc6/0x1e0 [ 4110.217110][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4110.217110][ T74] [ 4110.218831][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4110.218831][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4110.218831][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4110.218831][ T74] ipv6_find_idev+0x102/0x170 [ 4110.218831][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4110.218831][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4110.218831][ T74] netlink_rcv_skb+0x130/0x360 [ 4110.218831][ T74] netlink_unicast+0x449/0x710 [ 4110.218831][ T74] netlink_sendmsg+0x723/0xbe0 [ 4110.218831][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4110.218831][ T74] ___sys_sendmsg+0xee/0x170 [ 4110.218831][ T74] __sys_sendmsg+0xcd/0x170 [ 4110.218831][ T74] do_syscall_64+0xc6/0x1e0 [ 4110.218831][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4110.218831][ T74] [ 4110.220719][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4110.221082][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4110.221082][ T74] netdev_get_by_index+0x5e/0x80 [ 4110.221082][ T74] fib6_nh_init+0x3d8/0x1580 [ 4110.221082][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4110.221082][ T74] ip6_route_add+0x1c/0x140 [ 4110.221082][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4110.221082][ T74] inet6_addr_add+0x4f8/0xa40 [ 4110.221082][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4110.221082][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4110.221082][ T74] netlink_rcv_skb+0x130/0x360 [ 4110.221082][ T74] netlink_unicast+0x449/0x710 [ 4110.221082][ T74] netlink_sendmsg+0x723/0xbe0 [ 4110.221082][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4110.221082][ T74] ___sys_sendmsg+0xee/0x170 [ 4110.221082][ T74] __sys_sendmsg+0xcd/0x170 [ 4110.221082][ T74] do_syscall_64+0xc6/0x1e0 [ 4110.221082][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4110.221082][ T74] [ 4110.223266][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4110.223266][ T74] netdev_get_by_index+0x5e/0x80 [ 4110.223266][ T74] fib6_nh_init+0x3d8/0x1580 [ 4110.223266][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4110.223266][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4110.223266][ T74] ipv6_add_addr+0x411/0x2000 [ 4110.223266][ T74] inet6_addr_add+0x30e/0xa40 [ 4110.223266][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4110.223266][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4110.223266][ T74] netlink_rcv_skb+0x130/0x360 [ 4110.223266][ T74] netlink_unicast+0x449/0x710 [ 4110.223266][ T74] netlink_sendmsg+0x723/0xbe0 [ 4110.223266][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4110.223266][ T74] ___sys_sendmsg+0xee/0x170 [ 4110.223266][ T74] __sys_sendmsg+0xcd/0x170 [ 4110.223266][ T74] do_syscall_64+0xc6/0x1e0 [ 4110.223266][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4110.223266][ T74] [ 4110.225555][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4110.225555][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4110.225555][ T74] ipv6_find_idev+0x102/0x170 [ 4110.225555][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4110.225555][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4110.225555][ T74] netlink_rcv_skb+0x130/0x360 [ 4110.225555][ T74] netlink_unicast+0x449/0x710 [ 4110.225555][ T74] netlink_sendmsg+0x723/0xbe0 [ 4110.225555][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4110.225555][ T74] ___sys_sendmsg+0xee/0x170 [ 4110.225555][ T74] __sys_sendmsg+0xcd/0x170 [ 4110.225555][ T74] do_syscall_64+0xc6/0x1e0 [ 4110.225555][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4110.225555][ T74] [ 4110.227208][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4110.227208][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4110.227208][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4110.227208][ T74] ipv6_find_idev+0x102/0x170 [ 4110.227208][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4110.227208][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4110.227208][ T74] netlink_rcv_skb+0x130/0x360 [ 4110.227208][ T74] netlink_unicast+0x449/0x710 [ 4110.227208][ T74] netlink_sendmsg+0x723/0xbe0 [ 4110.227208][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4110.227208][ T74] ___sys_sendmsg+0xee/0x170 [ 4110.227208][ T74] __sys_sendmsg+0xcd/0x170 [ 4110.227208][ T74] do_syscall_64+0xc6/0x1e0 [ 4110.227208][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4110.227208][ T74] [ 4120.471958][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4120.472329][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4120.472329][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4120.472329][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4120.472329][ T74] fib6_nh_init+0xa22/0x1580 [ 4120.472329][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4120.472329][ T74] ip6_route_add+0x1c/0x140 [ 4120.472329][ T74] inet6_rtm_newroute+0x104/0x110 [ 4120.472329][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4120.472329][ T74] netlink_rcv_skb+0x130/0x360 [ 4120.472329][ T74] netlink_unicast+0x449/0x710 [ 4120.472329][ T74] netlink_sendmsg+0x723/0xbe0 [ 4120.472329][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4120.472329][ T74] ___sys_sendmsg+0xee/0x170 [ 4120.472329][ T74] __sys_sendmsg+0xcd/0x170 [ 4120.472329][ T74] do_syscall_64+0xc6/0x1e0 [ 4120.472329][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4120.472329][ T74] [ 4120.474219][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4120.474219][ T74] netdev_get_by_index+0x5e/0x80 [ 4120.474219][ T74] fib6_nh_init+0x3d8/0x1580 [ 4120.474219][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4120.474219][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4120.474219][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4120.474219][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4120.474219][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4120.474219][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4120.474219][ T74] addrconf_dad_begin+0x310/0x670 [ 4120.474219][ T74] addrconf_dad_work+0x10b/0xab0 [ 4120.474219][ T74] process_one_work+0x84d/0x18a0 [ 4120.474219][ T74] worker_thread+0x587/0xd30 [ 4120.474219][ T74] kthread+0x28a/0x350 [ 4120.474219][ T74] ret_from_fork+0x31/0x70 [ 4120.474219][ T74] ret_from_fork_asm+0x1a/0x30 [ 4120.474219][ T74] [ 4120.476198][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4120.476198][ T74] netdev_get_by_index+0x5e/0x80 [ 4120.476198][ T74] fib6_nh_init+0x3d8/0x1580 [ 4120.476198][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4120.476198][ T74] ip6_route_add+0x1c/0x140 [ 4120.476198][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4120.476198][ T74] inet6_addr_add+0x4f8/0xa40 [ 4120.476198][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4120.476198][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4120.476198][ T74] netlink_rcv_skb+0x130/0x360 [ 4120.476198][ T74] netlink_unicast+0x449/0x710 [ 4120.476198][ T74] netlink_sendmsg+0x723/0xbe0 [ 4120.476198][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4120.476198][ T74] ___sys_sendmsg+0xee/0x170 [ 4120.476198][ T74] __sys_sendmsg+0xcd/0x170 [ 4120.476198][ T74] do_syscall_64+0xc6/0x1e0 [ 4120.476198][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4120.476198][ T74] [ 4120.478235][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4120.478235][ T74] netdev_get_by_index+0x5e/0x80 [ 4120.478235][ T74] fib6_nh_init+0x3d8/0x1580 [ 4120.478235][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4120.478235][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4120.478235][ T74] ipv6_add_addr+0x411/0x2000 [ 4120.478235][ T74] inet6_addr_add+0x30e/0xa40 [ 4120.478235][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4120.478235][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4120.478235][ T74] netlink_rcv_skb+0x130/0x360 [ 4120.478235][ T74] netlink_unicast+0x449/0x710 [ 4120.478235][ T74] netlink_sendmsg+0x723/0xbe0 [ 4120.478235][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4120.478235][ T74] ___sys_sendmsg+0xee/0x170 [ 4120.478235][ T74] __sys_sendmsg+0xcd/0x170 [ 4120.478235][ T74] do_syscall_64+0xc6/0x1e0 [ 4120.478235][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4120.478235][ T74] [ 4120.480238][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4120.480238][ T74] netdev_get_by_index+0x5e/0x80 [ 4120.480238][ T74] fib6_nh_init+0x3d8/0x1580 [ 4120.480238][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4120.480238][ T74] ip6_route_add+0x1c/0x140 [ 4120.480238][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4120.480238][ T74] addrconf_add_dev+0xe2/0x170 [ 4120.480238][ T74] inet6_addr_add+0x12f/0xa40 [ 4120.480238][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4120.480238][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4120.480238][ T74] netlink_rcv_skb+0x130/0x360 [ 4120.480238][ T74] netlink_unicast+0x449/0x710 [ 4120.480238][ T74] netlink_sendmsg+0x723/0xbe0 [ 4120.480238][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4120.480238][ T74] ___sys_sendmsg+0xee/0x170 [ 4120.480238][ T74] __sys_sendmsg+0xcd/0x170 [ 4120.480238][ T74] do_syscall_64+0xc6/0x1e0 [ 4120.480238][ T74] [ 4120.482211][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4120.482211][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4120.482211][ T74] ipv6_find_idev+0x102/0x170 [ 4120.482211][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4120.482211][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4120.482211][ T74] netlink_rcv_skb+0x130/0x360 [ 4120.482211][ T74] netlink_unicast+0x449/0x710 [ 4120.482211][ T74] netlink_sendmsg+0x723/0xbe0 [ 4120.482211][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4120.482211][ T74] ___sys_sendmsg+0xee/0x170 [ 4120.482211][ T74] __sys_sendmsg+0xcd/0x170 [ 4120.482211][ T74] do_syscall_64+0xc6/0x1e0 [ 4120.482211][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4120.482211][ T74] [ 4120.483798][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4120.483798][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4120.483798][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4120.483798][ T74] ipv6_find_idev+0x102/0x170 [ 4120.483798][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4120.483798][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4120.483798][ T74] netlink_rcv_skb+0x130/0x360 [ 4120.483798][ T74] netlink_unicast+0x449/0x710 [ 4120.483798][ T74] netlink_sendmsg+0x723/0xbe0 [ 4120.483798][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4120.483798][ T74] ___sys_sendmsg+0xee/0x170 [ 4120.483798][ T74] __sys_sendmsg+0xcd/0x170 [ 4120.483798][ T74] do_syscall_64+0xc6/0x1e0 [ 4120.483798][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4120.483798][ T74] [ 4120.485519][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4120.485802][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4120.485802][ T74] dst_init+0x84/0x4a0 [ 4120.485802][ T74] dst_alloc+0x97/0x150 [ 4120.485802][ T74] ip6_dst_alloc+0x23/0x90 [ 4120.485802][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4120.485802][ T74] ip6_pol_route+0x56f/0x840 [ 4120.485802][ T74] fib6_rule_lookup+0x456/0x630 [ 4120.485802][ T74] ip6_route_input+0x59c/0xa50 [ 4120.485802][ T74] ipv6_rcv+0x397/0x810 [ 4120.485802][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4120.485802][ T74] process_backlog+0x101/0x620 [ 4120.485802][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4120.485802][ T74] net_rx_action+0x495/0xbe0 [ 4120.485802][ T74] __do_softirq+0x1b5/0x7f6 [ 4120.485802][ T74] [ 4120.487471][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4120.487471][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4120.487471][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4120.487471][ T74] fib6_nh_init+0xa22/0x1580 [ 4120.487471][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4120.487471][ T74] ip6_route_add+0x1c/0x140 [ 4120.487471][ T74] inet6_rtm_newroute+0x104/0x110 [ 4120.487471][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4120.487471][ T74] netlink_rcv_skb+0x130/0x360 [ 4120.487471][ T74] netlink_unicast+0x449/0x710 [ 4120.487471][ T74] netlink_sendmsg+0x723/0xbe0 [ 4120.487471][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4120.487471][ T74] ___sys_sendmsg+0xee/0x170 [ 4120.487471][ T74] __sys_sendmsg+0xcd/0x170 [ 4120.487471][ T74] do_syscall_64+0xc6/0x1e0 [ 4120.487471][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4120.487471][ T74] [ 4120.489376][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4120.489376][ T74] netdev_get_by_index+0x5e/0x80 [ 4120.489376][ T74] fib6_nh_init+0x3d8/0x1580 [ 4120.489376][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4120.489376][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4120.489376][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4120.489376][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4120.489376][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4120.489376][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4120.489376][ T74] addrconf_dad_begin+0x310/0x670 [ 4120.489376][ T74] addrconf_dad_work+0x10b/0xab0 [ 4120.489376][ T74] process_one_work+0x84d/0x18a0 [ 4120.489376][ T74] worker_thread+0x587/0xd30 [ 4120.489376][ T74] kthread+0x28a/0x350 [ 4120.489376][ T74] ret_from_fork+0x31/0x70 [ 4120.489376][ T74] ret_from_fork_asm+0x1a/0x30 [ 4120.489376][ T74] [ 4120.491304][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4120.491304][ T74] netdev_get_by_index+0x5e/0x80 [ 4120.491304][ T74] fib6_nh_init+0x3d8/0x1580 [ 4120.491304][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4120.491304][ T74] ip6_route_add+0x1c/0x140 [ 4120.491304][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4120.491304][ T74] inet6_addr_add+0x4f8/0xa40 [ 4120.491304][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4120.491304][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4120.491304][ T74] netlink_rcv_skb+0x130/0x360 [ 4120.491304][ T74] netlink_unicast+0x449/0x710 [ 4120.491304][ T74] netlink_sendmsg+0x723/0xbe0 [ 4120.491304][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4120.491304][ T74] ___sys_sendmsg+0xee/0x170 [ 4120.491304][ T74] __sys_sendmsg+0xcd/0x170 [ 4120.491304][ T74] do_syscall_64+0xc6/0x1e0 [ 4120.491304][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4120.491304][ T74] [ 4120.493358][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4120.493358][ T74] netdev_get_by_index+0x5e/0x80 [ 4120.493358][ T74] fib6_nh_init+0x3d8/0x1580 [ 4120.493358][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4120.493358][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4120.493358][ T74] ipv6_add_addr+0x411/0x2000 [ 4120.493358][ T74] inet6_addr_add+0x30e/0xa40 [ 4120.493358][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4120.493358][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4120.493358][ T74] netlink_rcv_skb+0x130/0x360 [ 4120.493358][ T74] netlink_unicast+0x449/0x710 [ 4120.493358][ T74] netlink_sendmsg+0x723/0xbe0 [ 4120.493358][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4120.493358][ T74] ___sys_sendmsg+0xee/0x170 [ 4120.493358][ T74] __sys_sendmsg+0xcd/0x170 [ 4120.493358][ T74] do_syscall_64+0xc6/0x1e0 [ 4120.493358][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4120.493358][ T74] [ 4120.495389][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4120.495389][ T74] netdev_get_by_index+0x5e/0x80 [ 4120.495389][ T74] fib6_nh_init+0x3d8/0x1580 [ 4120.495389][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4120.495389][ T74] ip6_route_add+0x1c/0x140 [ 4120.495389][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4120.495389][ T74] addrconf_add_dev+0xe2/0x170 [ 4120.495389][ T74] inet6_addr_add+0x12f/0xa40 [ 4120.495389][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4120.495389][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4120.495389][ T74] netlink_rcv_skb+0x130/0x360 [ 4120.495389][ T74] netlink_unicast+0x449/0x710 [ 4120.495389][ T74] netlink_sendmsg+0x723/0xbe0 [ 4120.495389][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4120.495389][ T74] ___sys_sendmsg+0xee/0x170 [ 4120.495389][ T74] __sys_sendmsg+0xcd/0x170 [ 4120.495389][ T74] do_syscall_64+0xc6/0x1e0 [ 4120.495389][ T74] [ 4120.497355][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4120.497355][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4120.497355][ T74] ipv6_find_idev+0x102/0x170 [ 4120.497355][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4120.497355][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4120.497355][ T74] netlink_rcv_skb+0x130/0x360 [ 4120.497355][ T74] netlink_unicast+0x449/0x710 [ 4120.497355][ T74] netlink_sendmsg+0x723/0xbe0 [ 4120.497355][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4120.497355][ T74] ___sys_sendmsg+0xee/0x170 [ 4120.497355][ T74] __sys_sendmsg+0xcd/0x170 [ 4120.497355][ T74] do_syscall_64+0xc6/0x1e0 [ 4120.497355][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4120.497355][ T74] [ 4120.499073][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4120.499073][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4120.499073][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4120.499073][ T74] ipv6_find_idev+0x102/0x170 [ 4120.499073][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4120.499073][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4120.499073][ T74] netlink_rcv_skb+0x130/0x360 [ 4120.499073][ T74] netlink_unicast+0x449/0x710 [ 4120.499073][ T74] netlink_sendmsg+0x723/0xbe0 [ 4120.499073][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4120.499073][ T74] ___sys_sendmsg+0xee/0x170 [ 4120.499073][ T74] __sys_sendmsg+0xcd/0x170 [ 4120.499073][ T74] do_syscall_64+0xc6/0x1e0 [ 4120.499073][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4120.499073][ T74] [ 4120.500976][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4120.501224][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4120.501224][ T74] netdev_get_by_index+0x5e/0x80 [ 4120.501224][ T74] fib6_nh_init+0x3d8/0x1580 [ 4120.501224][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4120.501224][ T74] ip6_route_add+0x1c/0x140 [ 4120.501224][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4120.501224][ T74] inet6_addr_add+0x4f8/0xa40 [ 4120.501224][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4120.501224][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4120.501224][ T74] netlink_rcv_skb+0x130/0x360 [ 4120.501224][ T74] netlink_unicast+0x449/0x710 [ 4120.501224][ T74] netlink_sendmsg+0x723/0xbe0 [ 4120.501224][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4120.501224][ T74] ___sys_sendmsg+0xee/0x170 [ 4120.501224][ T74] __sys_sendmsg+0xcd/0x170 [ 4120.501224][ T74] do_syscall_64+0xc6/0x1e0 [ 4120.501224][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4120.501224][ T74] [ 4120.503501][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4120.503501][ T74] netdev_get_by_index+0x5e/0x80 [ 4120.503501][ T74] fib6_nh_init+0x3d8/0x1580 [ 4120.503501][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4120.503501][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4120.503501][ T74] ipv6_add_addr+0x411/0x2000 [ 4120.503501][ T74] inet6_addr_add+0x30e/0xa40 [ 4120.503501][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4120.503501][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4120.503501][ T74] netlink_rcv_skb+0x130/0x360 [ 4120.503501][ T74] netlink_unicast+0x449/0x710 [ 4120.503501][ T74] netlink_sendmsg+0x723/0xbe0 [ 4120.503501][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4120.503501][ T74] ___sys_sendmsg+0xee/0x170 [ 4120.503501][ T74] __sys_sendmsg+0xcd/0x170 [ 4120.503501][ T74] do_syscall_64+0xc6/0x1e0 [ 4120.503501][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4120.503501][ T74] [ 4120.505770][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4120.505770][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4120.505770][ T74] ipv6_find_idev+0x102/0x170 [ 4120.505770][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4120.505770][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4120.505770][ T74] netlink_rcv_skb+0x130/0x360 [ 4120.505770][ T74] netlink_unicast+0x449/0x710 [ 4120.505770][ T74] netlink_sendmsg+0x723/0xbe0 [ 4120.505770][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4120.505770][ T74] ___sys_sendmsg+0xee/0x170 [ 4120.505770][ T74] __sys_sendmsg+0xcd/0x170 [ 4120.505770][ T74] do_syscall_64+0xc6/0x1e0 [ 4120.505770][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4120.505770][ T74] [ 4120.507606][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4120.507606][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4120.507606][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4120.507606][ T74] ipv6_find_idev+0x102/0x170 [ 4120.507606][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4120.507606][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4120.507606][ T74] netlink_rcv_skb+0x130/0x360 [ 4120.507606][ T74] netlink_unicast+0x449/0x710 [ 4120.507606][ T74] netlink_sendmsg+0x723/0xbe0 [ 4120.507606][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4120.507606][ T74] ___sys_sendmsg+0xee/0x170 [ 4120.507606][ T74] __sys_sendmsg+0xcd/0x170 [ 4120.507606][ T74] do_syscall_64+0xc6/0x1e0 [ 4120.507606][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4120.507606][ T74] [ 4130.751968][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4130.752391][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4130.752391][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4130.752391][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4130.752391][ T74] fib6_nh_init+0xa22/0x1580 [ 4130.752391][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4130.752391][ T74] ip6_route_add+0x1c/0x140 [ 4130.752391][ T74] inet6_rtm_newroute+0x104/0x110 [ 4130.752391][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4130.752391][ T74] netlink_rcv_skb+0x130/0x360 [ 4130.752391][ T74] netlink_unicast+0x449/0x710 [ 4130.752391][ T74] netlink_sendmsg+0x723/0xbe0 [ 4130.752391][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4130.752391][ T74] ___sys_sendmsg+0xee/0x170 [ 4130.752391][ T74] __sys_sendmsg+0xcd/0x170 [ 4130.752391][ T74] do_syscall_64+0xc6/0x1e0 [ 4130.752391][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4130.752391][ T74] [ 4130.754295][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4130.754295][ T74] netdev_get_by_index+0x5e/0x80 [ 4130.754295][ T74] fib6_nh_init+0x3d8/0x1580 [ 4130.754295][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4130.754295][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4130.754295][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4130.754295][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4130.754295][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4130.754295][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4130.754295][ T74] addrconf_dad_begin+0x310/0x670 [ 4130.754295][ T74] addrconf_dad_work+0x10b/0xab0 [ 4130.754295][ T74] process_one_work+0x84d/0x18a0 [ 4130.754295][ T74] worker_thread+0x587/0xd30 [ 4130.754295][ T74] kthread+0x28a/0x350 [ 4130.754295][ T74] ret_from_fork+0x31/0x70 [ 4130.754295][ T74] ret_from_fork_asm+0x1a/0x30 [ 4130.754295][ T74] [ 4130.756203][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4130.756203][ T74] netdev_get_by_index+0x5e/0x80 [ 4130.756203][ T74] fib6_nh_init+0x3d8/0x1580 [ 4130.756203][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4130.756203][ T74] ip6_route_add+0x1c/0x140 [ 4130.756203][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4130.756203][ T74] inet6_addr_add+0x4f8/0xa40 [ 4130.756203][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4130.756203][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4130.756203][ T74] netlink_rcv_skb+0x130/0x360 [ 4130.756203][ T74] netlink_unicast+0x449/0x710 [ 4130.756203][ T74] netlink_sendmsg+0x723/0xbe0 [ 4130.756203][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4130.756203][ T74] ___sys_sendmsg+0xee/0x170 [ 4130.756203][ T74] __sys_sendmsg+0xcd/0x170 [ 4130.756203][ T74] do_syscall_64+0xc6/0x1e0 [ 4130.756203][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4130.756203][ T74] [ 4130.758192][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4130.758192][ T74] netdev_get_by_index+0x5e/0x80 [ 4130.758192][ T74] fib6_nh_init+0x3d8/0x1580 [ 4130.758192][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4130.758192][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4130.758192][ T74] ipv6_add_addr+0x411/0x2000 [ 4130.758192][ T74] inet6_addr_add+0x30e/0xa40 [ 4130.758192][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4130.758192][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4130.758192][ T74] netlink_rcv_skb+0x130/0x360 [ 4130.758192][ T74] netlink_unicast+0x449/0x710 [ 4130.758192][ T74] netlink_sendmsg+0x723/0xbe0 [ 4130.758192][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4130.758192][ T74] ___sys_sendmsg+0xee/0x170 [ 4130.758192][ T74] __sys_sendmsg+0xcd/0x170 [ 4130.758192][ T74] do_syscall_64+0xc6/0x1e0 [ 4130.758192][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4130.758192][ T74] [ 4130.760213][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4130.760213][ T74] netdev_get_by_index+0x5e/0x80 [ 4130.760213][ T74] fib6_nh_init+0x3d8/0x1580 [ 4130.760213][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4130.760213][ T74] ip6_route_add+0x1c/0x140 [ 4130.760213][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4130.760213][ T74] addrconf_add_dev+0xe2/0x170 [ 4130.760213][ T74] inet6_addr_add+0x12f/0xa40 [ 4130.760213][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4130.760213][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4130.760213][ T74] netlink_rcv_skb+0x130/0x360 [ 4130.760213][ T74] netlink_unicast+0x449/0x710 [ 4130.760213][ T74] netlink_sendmsg+0x723/0xbe0 [ 4130.760213][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4130.760213][ T74] ___sys_sendmsg+0xee/0x170 [ 4130.760213][ T74] __sys_sendmsg+0xcd/0x170 [ 4130.760213][ T74] do_syscall_64+0xc6/0x1e0 [ 4130.760213][ T74] [ 4130.762177][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4130.762177][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4130.762177][ T74] ipv6_find_idev+0x102/0x170 [ 4130.762177][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4130.762177][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4130.762177][ T74] netlink_rcv_skb+0x130/0x360 [ 4130.762177][ T74] netlink_unicast+0x449/0x710 [ 4130.762177][ T74] netlink_sendmsg+0x723/0xbe0 [ 4130.762177][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4130.762177][ T74] ___sys_sendmsg+0xee/0x170 [ 4130.762177][ T74] __sys_sendmsg+0xcd/0x170 [ 4130.762177][ T74] do_syscall_64+0xc6/0x1e0 [ 4130.762177][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4130.762177][ T74] [ 4130.763715][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4130.763715][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4130.763715][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4130.763715][ T74] ipv6_find_idev+0x102/0x170 [ 4130.763715][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4130.763715][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4130.763715][ T74] netlink_rcv_skb+0x130/0x360 [ 4130.763715][ T74] netlink_unicast+0x449/0x710 [ 4130.763715][ T74] netlink_sendmsg+0x723/0xbe0 [ 4130.763715][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4130.763715][ T74] ___sys_sendmsg+0xee/0x170 [ 4130.763715][ T74] __sys_sendmsg+0xcd/0x170 [ 4130.763715][ T74] do_syscall_64+0xc6/0x1e0 [ 4130.763715][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4130.763715][ T74] [ 4130.765417][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4130.765692][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4130.765692][ T74] dst_init+0x84/0x4a0 [ 4130.765692][ T74] dst_alloc+0x97/0x150 [ 4130.765692][ T74] ip6_dst_alloc+0x23/0x90 [ 4130.765692][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4130.765692][ T74] ip6_pol_route+0x56f/0x840 [ 4130.765692][ T74] fib6_rule_lookup+0x456/0x630 [ 4130.765692][ T74] ip6_route_input+0x59c/0xa50 [ 4130.765692][ T74] ipv6_rcv+0x397/0x810 [ 4130.765692][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4130.765692][ T74] process_backlog+0x101/0x620 [ 4130.765692][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4130.765692][ T74] net_rx_action+0x495/0xbe0 [ 4130.765692][ T74] __do_softirq+0x1b5/0x7f6 [ 4130.765692][ T74] [ 4130.767319][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4130.767319][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4130.767319][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4130.767319][ T74] fib6_nh_init+0xa22/0x1580 [ 4130.767319][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4130.767319][ T74] ip6_route_add+0x1c/0x140 [ 4130.767319][ T74] inet6_rtm_newroute+0x104/0x110 [ 4130.767319][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4130.767319][ T74] netlink_rcv_skb+0x130/0x360 [ 4130.767319][ T74] netlink_unicast+0x449/0x710 [ 4130.767319][ T74] netlink_sendmsg+0x723/0xbe0 [ 4130.767319][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4130.767319][ T74] ___sys_sendmsg+0xee/0x170 [ 4130.767319][ T74] __sys_sendmsg+0xcd/0x170 [ 4130.767319][ T74] do_syscall_64+0xc6/0x1e0 [ 4130.767319][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4130.767319][ T74] [ 4130.769207][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4130.769207][ T74] netdev_get_by_index+0x5e/0x80 [ 4130.769207][ T74] fib6_nh_init+0x3d8/0x1580 [ 4130.769207][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4130.769207][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4130.769207][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4130.769207][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4130.769207][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4130.769207][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4130.769207][ T74] addrconf_dad_begin+0x310/0x670 [ 4130.769207][ T74] addrconf_dad_work+0x10b/0xab0 [ 4130.769207][ T74] process_one_work+0x84d/0x18a0 [ 4130.769207][ T74] worker_thread+0x587/0xd30 [ 4130.769207][ T74] kthread+0x28a/0x350 [ 4130.769207][ T74] ret_from_fork+0x31/0x70 [ 4130.769207][ T74] ret_from_fork_asm+0x1a/0x30 [ 4130.769207][ T74] [ 4130.771124][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4130.771124][ T74] netdev_get_by_index+0x5e/0x80 [ 4130.771124][ T74] fib6_nh_init+0x3d8/0x1580 [ 4130.771124][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4130.771124][ T74] ip6_route_add+0x1c/0x140 [ 4130.771124][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4130.771124][ T74] inet6_addr_add+0x4f8/0xa40 [ 4130.771124][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4130.771124][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4130.771124][ T74] netlink_rcv_skb+0x130/0x360 [ 4130.771124][ T74] netlink_unicast+0x449/0x710 [ 4130.771124][ T74] netlink_sendmsg+0x723/0xbe0 [ 4130.771124][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4130.771124][ T74] ___sys_sendmsg+0xee/0x170 [ 4130.771124][ T74] __sys_sendmsg+0xcd/0x170 [ 4130.771124][ T74] do_syscall_64+0xc6/0x1e0 [ 4130.771124][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4130.771124][ T74] [ 4130.773113][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4130.773113][ T74] netdev_get_by_index+0x5e/0x80 [ 4130.773113][ T74] fib6_nh_init+0x3d8/0x1580 [ 4130.773113][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4130.773113][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4130.773113][ T74] ipv6_add_addr+0x411/0x2000 [ 4130.773113][ T74] inet6_addr_add+0x30e/0xa40 [ 4130.773113][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4130.773113][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4130.773113][ T74] netlink_rcv_skb+0x130/0x360 [ 4130.773113][ T74] netlink_unicast+0x449/0x710 [ 4130.773113][ T74] netlink_sendmsg+0x723/0xbe0 [ 4130.773113][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4130.773113][ T74] ___sys_sendmsg+0xee/0x170 [ 4130.773113][ T74] __sys_sendmsg+0xcd/0x170 [ 4130.773113][ T74] do_syscall_64+0xc6/0x1e0 [ 4130.773113][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4130.773113][ T74] [ 4130.775107][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4130.775107][ T74] netdev_get_by_index+0x5e/0x80 [ 4130.775107][ T74] fib6_nh_init+0x3d8/0x1580 [ 4130.775107][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4130.775107][ T74] ip6_route_add+0x1c/0x140 [ 4130.775107][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4130.775107][ T74] addrconf_add_dev+0xe2/0x170 [ 4130.775107][ T74] inet6_addr_add+0x12f/0xa40 [ 4130.775107][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4130.775107][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4130.775107][ T74] netlink_rcv_skb+0x130/0x360 [ 4130.775107][ T74] netlink_unicast+0x449/0x710 [ 4130.775107][ T74] netlink_sendmsg+0x723/0xbe0 [ 4130.775107][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4130.775107][ T74] ___sys_sendmsg+0xee/0x170 [ 4130.775107][ T74] __sys_sendmsg+0xcd/0x170 [ 4130.775107][ T74] do_syscall_64+0xc6/0x1e0 [ 4130.775107][ T74] [ 4130.777587][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4130.777587][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4130.777587][ T74] ipv6_find_idev+0x102/0x170 [ 4130.777587][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4130.777587][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4130.777587][ T74] netlink_rcv_skb+0x130/0x360 [ 4130.777587][ T74] netlink_unicast+0x449/0x710 [ 4130.777587][ T74] netlink_sendmsg+0x723/0xbe0 [ 4130.777587][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4130.777587][ T74] ___sys_sendmsg+0xee/0x170 [ 4130.777587][ T74] __sys_sendmsg+0xcd/0x170 [ 4130.777587][ T74] do_syscall_64+0xc6/0x1e0 [ 4130.777587][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4130.777587][ T74] [ 4130.779309][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4130.779309][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4130.779309][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4130.779309][ T74] ipv6_find_idev+0x102/0x170 [ 4130.779309][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4130.779309][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4130.779309][ T74] netlink_rcv_skb+0x130/0x360 [ 4130.779309][ T74] netlink_unicast+0x449/0x710 [ 4130.779309][ T74] netlink_sendmsg+0x723/0xbe0 [ 4130.779309][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4130.779309][ T74] ___sys_sendmsg+0xee/0x170 [ 4130.779309][ T74] __sys_sendmsg+0xcd/0x170 [ 4130.779309][ T74] do_syscall_64+0xc6/0x1e0 [ 4130.779309][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4130.779309][ T74] [ 4130.781245][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4130.781484][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4130.781484][ T74] netdev_get_by_index+0x5e/0x80 [ 4130.781484][ T74] fib6_nh_init+0x3d8/0x1580 [ 4130.781484][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4130.781484][ T74] ip6_route_add+0x1c/0x140 [ 4130.781484][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4130.781484][ T74] inet6_addr_add+0x4f8/0xa40 [ 4130.781484][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4130.781484][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4130.781484][ T74] netlink_rcv_skb+0x130/0x360 [ 4130.781484][ T74] netlink_unicast+0x449/0x710 [ 4130.781484][ T74] netlink_sendmsg+0x723/0xbe0 [ 4130.781484][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4130.781484][ T74] ___sys_sendmsg+0xee/0x170 [ 4130.781484][ T74] __sys_sendmsg+0xcd/0x170 [ 4130.781484][ T74] do_syscall_64+0xc6/0x1e0 [ 4130.781484][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4130.781484][ T74] [ 4130.783715][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4130.783715][ T74] netdev_get_by_index+0x5e/0x80 [ 4130.783715][ T74] fib6_nh_init+0x3d8/0x1580 [ 4130.783715][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4130.783715][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4130.783715][ T74] ipv6_add_addr+0x411/0x2000 [ 4130.783715][ T74] inet6_addr_add+0x30e/0xa40 [ 4130.783715][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4130.783715][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4130.783715][ T74] netlink_rcv_skb+0x130/0x360 [ 4130.783715][ T74] netlink_unicast+0x449/0x710 [ 4130.783715][ T74] netlink_sendmsg+0x723/0xbe0 [ 4130.783715][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4130.783715][ T74] ___sys_sendmsg+0xee/0x170 [ 4130.783715][ T74] __sys_sendmsg+0xcd/0x170 [ 4130.783715][ T74] do_syscall_64+0xc6/0x1e0 [ 4130.783715][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4130.783715][ T74] [ 4130.785952][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4130.785952][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4130.785952][ T74] ipv6_find_idev+0x102/0x170 [ 4130.785952][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4130.785952][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4130.785952][ T74] netlink_rcv_skb+0x130/0x360 [ 4130.785952][ T74] netlink_unicast+0x449/0x710 [ 4130.785952][ T74] netlink_sendmsg+0x723/0xbe0 [ 4130.785952][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4130.785952][ T74] ___sys_sendmsg+0xee/0x170 [ 4130.785952][ T74] __sys_sendmsg+0xcd/0x170 [ 4130.785952][ T74] do_syscall_64+0xc6/0x1e0 [ 4130.785952][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4130.785952][ T74] [ 4130.787662][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4130.787662][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4130.787662][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4130.787662][ T74] ipv6_find_idev+0x102/0x170 [ 4130.787662][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4130.787662][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4130.787662][ T74] netlink_rcv_skb+0x130/0x360 [ 4130.787662][ T74] netlink_unicast+0x449/0x710 [ 4130.787662][ T74] netlink_sendmsg+0x723/0xbe0 [ 4130.787662][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4130.787662][ T74] ___sys_sendmsg+0xee/0x170 [ 4130.787662][ T74] __sys_sendmsg+0xcd/0x170 [ 4130.787662][ T74] do_syscall_64+0xc6/0x1e0 [ 4130.787662][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4130.787662][ T74] [ 4140.807964][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4140.808434][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4140.808434][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4140.808434][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4140.808434][ T74] fib6_nh_init+0xa22/0x1580 [ 4140.808434][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4140.808434][ T74] ip6_route_add+0x1c/0x140 [ 4140.808434][ T74] inet6_rtm_newroute+0x104/0x110 [ 4140.808434][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4140.808434][ T74] netlink_rcv_skb+0x130/0x360 [ 4140.808434][ T74] netlink_unicast+0x449/0x710 [ 4140.808434][ T74] netlink_sendmsg+0x723/0xbe0 [ 4140.808434][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4140.808434][ T74] ___sys_sendmsg+0xee/0x170 [ 4140.808434][ T74] __sys_sendmsg+0xcd/0x170 [ 4140.808434][ T74] do_syscall_64+0xc6/0x1e0 [ 4140.808434][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4140.808434][ T74] [ 4140.810336][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4140.810336][ T74] netdev_get_by_index+0x5e/0x80 [ 4140.810336][ T74] fib6_nh_init+0x3d8/0x1580 [ 4140.810336][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4140.810336][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4140.810336][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4140.810336][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4140.810336][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4140.810336][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4140.810336][ T74] addrconf_dad_begin+0x310/0x670 [ 4140.810336][ T74] addrconf_dad_work+0x10b/0xab0 [ 4140.810336][ T74] process_one_work+0x84d/0x18a0 [ 4140.810336][ T74] worker_thread+0x587/0xd30 [ 4140.810336][ T74] kthread+0x28a/0x350 [ 4140.810336][ T74] ret_from_fork+0x31/0x70 [ 4140.810336][ T74] ret_from_fork_asm+0x1a/0x30 [ 4140.810336][ T74] [ 4140.812266][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4140.812266][ T74] netdev_get_by_index+0x5e/0x80 [ 4140.812266][ T74] fib6_nh_init+0x3d8/0x1580 [ 4140.812266][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4140.812266][ T74] ip6_route_add+0x1c/0x140 [ 4140.812266][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4140.812266][ T74] inet6_addr_add+0x4f8/0xa40 [ 4140.812266][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4140.812266][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4140.812266][ T74] netlink_rcv_skb+0x130/0x360 [ 4140.812266][ T74] netlink_unicast+0x449/0x710 [ 4140.812266][ T74] netlink_sendmsg+0x723/0xbe0 [ 4140.812266][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4140.812266][ T74] ___sys_sendmsg+0xee/0x170 [ 4140.812266][ T74] __sys_sendmsg+0xcd/0x170 [ 4140.812266][ T74] do_syscall_64+0xc6/0x1e0 [ 4140.812266][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4140.812266][ T74] [ 4140.814264][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4140.814264][ T74] netdev_get_by_index+0x5e/0x80 [ 4140.814264][ T74] fib6_nh_init+0x3d8/0x1580 [ 4140.814264][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4140.814264][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4140.814264][ T74] ipv6_add_addr+0x411/0x2000 [ 4140.814264][ T74] inet6_addr_add+0x30e/0xa40 [ 4140.814264][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4140.814264][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4140.814264][ T74] netlink_rcv_skb+0x130/0x360 [ 4140.814264][ T74] netlink_unicast+0x449/0x710 [ 4140.814264][ T74] netlink_sendmsg+0x723/0xbe0 [ 4140.814264][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4140.814264][ T74] ___sys_sendmsg+0xee/0x170 [ 4140.814264][ T74] __sys_sendmsg+0xcd/0x170 [ 4140.814264][ T74] do_syscall_64+0xc6/0x1e0 [ 4140.814264][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4140.814264][ T74] [ 4140.816268][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4140.816268][ T74] netdev_get_by_index+0x5e/0x80 [ 4140.816268][ T74] fib6_nh_init+0x3d8/0x1580 [ 4140.816268][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4140.816268][ T74] ip6_route_add+0x1c/0x140 [ 4140.816268][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4140.816268][ T74] addrconf_add_dev+0xe2/0x170 [ 4140.816268][ T74] inet6_addr_add+0x12f/0xa40 [ 4140.816268][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4140.816268][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4140.816268][ T74] netlink_rcv_skb+0x130/0x360 [ 4140.816268][ T74] netlink_unicast+0x449/0x710 [ 4140.816268][ T74] netlink_sendmsg+0x723/0xbe0 [ 4140.816268][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4140.816268][ T74] ___sys_sendmsg+0xee/0x170 [ 4140.816268][ T74] __sys_sendmsg+0xcd/0x170 [ 4140.816268][ T74] do_syscall_64+0xc6/0x1e0 [ 4140.816268][ T74] [ 4140.818618][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4140.818618][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4140.818618][ T74] ipv6_find_idev+0x102/0x170 [ 4140.818618][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4140.818618][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4140.818618][ T74] netlink_rcv_skb+0x130/0x360 [ 4140.818618][ T74] netlink_unicast+0x449/0x710 [ 4140.818618][ T74] netlink_sendmsg+0x723/0xbe0 [ 4140.818618][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4140.818618][ T74] ___sys_sendmsg+0xee/0x170 [ 4140.818618][ T74] __sys_sendmsg+0xcd/0x170 [ 4140.818618][ T74] do_syscall_64+0xc6/0x1e0 [ 4140.818618][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4140.818618][ T74] [ 4140.820161][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4140.820161][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4140.820161][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4140.820161][ T74] ipv6_find_idev+0x102/0x170 [ 4140.820161][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4140.820161][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4140.820161][ T74] netlink_rcv_skb+0x130/0x360 [ 4140.820161][ T74] netlink_unicast+0x449/0x710 [ 4140.820161][ T74] netlink_sendmsg+0x723/0xbe0 [ 4140.820161][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4140.820161][ T74] ___sys_sendmsg+0xee/0x170 [ 4140.820161][ T74] __sys_sendmsg+0xcd/0x170 [ 4140.820161][ T74] do_syscall_64+0xc6/0x1e0 [ 4140.820161][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4140.820161][ T74] [ 4140.821957][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4140.822232][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4140.822232][ T74] dst_init+0x84/0x4a0 [ 4140.822232][ T74] dst_alloc+0x97/0x150 [ 4140.822232][ T74] ip6_dst_alloc+0x23/0x90 [ 4140.822232][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4140.822232][ T74] ip6_pol_route+0x56f/0x840 [ 4140.822232][ T74] fib6_rule_lookup+0x456/0x630 [ 4140.822232][ T74] ip6_route_input+0x59c/0xa50 [ 4140.822232][ T74] ipv6_rcv+0x397/0x810 [ 4140.822232][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4140.822232][ T74] process_backlog+0x101/0x620 [ 4140.822232][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4140.822232][ T74] net_rx_action+0x495/0xbe0 [ 4140.822232][ T74] __do_softirq+0x1b5/0x7f6 [ 4140.822232][ T74] [ 4140.823869][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4140.823869][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4140.823869][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4140.823869][ T74] fib6_nh_init+0xa22/0x1580 [ 4140.823869][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4140.823869][ T74] ip6_route_add+0x1c/0x140 [ 4140.823869][ T74] inet6_rtm_newroute+0x104/0x110 [ 4140.823869][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4140.823869][ T74] netlink_rcv_skb+0x130/0x360 [ 4140.823869][ T74] netlink_unicast+0x449/0x710 [ 4140.823869][ T74] netlink_sendmsg+0x723/0xbe0 [ 4140.823869][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4140.823869][ T74] ___sys_sendmsg+0xee/0x170 [ 4140.823869][ T74] __sys_sendmsg+0xcd/0x170 [ 4140.823869][ T74] do_syscall_64+0xc6/0x1e0 [ 4140.823869][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4140.823869][ T74] [ 4140.825739][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4140.825739][ T74] netdev_get_by_index+0x5e/0x80 [ 4140.825739][ T74] fib6_nh_init+0x3d8/0x1580 [ 4140.825739][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4140.825739][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4140.825739][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4140.825739][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4140.825739][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4140.825739][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4140.825739][ T74] addrconf_dad_begin+0x310/0x670 [ 4140.825739][ T74] addrconf_dad_work+0x10b/0xab0 [ 4140.825739][ T74] process_one_work+0x84d/0x18a0 [ 4140.825739][ T74] worker_thread+0x587/0xd30 [ 4140.825739][ T74] kthread+0x28a/0x350 [ 4140.825739][ T74] ret_from_fork+0x31/0x70 [ 4140.825739][ T74] ret_from_fork_asm+0x1a/0x30 [ 4140.825739][ T74] [ 4140.827647][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4140.827647][ T74] netdev_get_by_index+0x5e/0x80 [ 4140.827647][ T74] fib6_nh_init+0x3d8/0x1580 [ 4140.827647][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4140.827647][ T74] ip6_route_add+0x1c/0x140 [ 4140.827647][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4140.827647][ T74] inet6_addr_add+0x4f8/0xa40 [ 4140.827647][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4140.827647][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4140.827647][ T74] netlink_rcv_skb+0x130/0x360 [ 4140.827647][ T74] netlink_unicast+0x449/0x710 [ 4140.827647][ T74] netlink_sendmsg+0x723/0xbe0 [ 4140.827647][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4140.827647][ T74] ___sys_sendmsg+0xee/0x170 [ 4140.827647][ T74] __sys_sendmsg+0xcd/0x170 [ 4140.827647][ T74] do_syscall_64+0xc6/0x1e0 [ 4140.827647][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4140.827647][ T74] [ 4140.829654][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4140.829654][ T74] netdev_get_by_index+0x5e/0x80 [ 4140.829654][ T74] fib6_nh_init+0x3d8/0x1580 [ 4140.829654][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4140.829654][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4140.829654][ T74] ipv6_add_addr+0x411/0x2000 [ 4140.829654][ T74] inet6_addr_add+0x30e/0xa40 [ 4140.829654][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4140.829654][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4140.829654][ T74] netlink_rcv_skb+0x130/0x360 [ 4140.829654][ T74] netlink_unicast+0x449/0x710 [ 4140.829654][ T74] netlink_sendmsg+0x723/0xbe0 [ 4140.829654][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4140.829654][ T74] ___sys_sendmsg+0xee/0x170 [ 4140.829654][ T74] __sys_sendmsg+0xcd/0x170 [ 4140.829654][ T74] do_syscall_64+0xc6/0x1e0 [ 4140.829654][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4140.829654][ T74] [ 4140.831654][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4140.831654][ T74] netdev_get_by_index+0x5e/0x80 [ 4140.831654][ T74] fib6_nh_init+0x3d8/0x1580 [ 4140.831654][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4140.831654][ T74] ip6_route_add+0x1c/0x140 [ 4140.831654][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4140.831654][ T74] addrconf_add_dev+0xe2/0x170 [ 4140.831654][ T74] inet6_addr_add+0x12f/0xa40 [ 4140.831654][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4140.831654][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4140.831654][ T74] netlink_rcv_skb+0x130/0x360 [ 4140.831654][ T74] netlink_unicast+0x449/0x710 [ 4140.831654][ T74] netlink_sendmsg+0x723/0xbe0 [ 4140.831654][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4140.831654][ T74] ___sys_sendmsg+0xee/0x170 [ 4140.831654][ T74] __sys_sendmsg+0xcd/0x170 [ 4140.831654][ T74] do_syscall_64+0xc6/0x1e0 [ 4140.831654][ T74] [ 4140.833618][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4140.833618][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4140.833618][ T74] ipv6_find_idev+0x102/0x170 [ 4140.833618][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4140.833618][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4140.833618][ T74] netlink_rcv_skb+0x130/0x360 [ 4140.833618][ T74] netlink_unicast+0x449/0x710 [ 4140.833618][ T74] netlink_sendmsg+0x723/0xbe0 [ 4140.833618][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4140.833618][ T74] ___sys_sendmsg+0xee/0x170 [ 4140.833618][ T74] __sys_sendmsg+0xcd/0x170 [ 4140.833618][ T74] do_syscall_64+0xc6/0x1e0 [ 4140.833618][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4140.833618][ T74] [ 4140.835333][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4140.835333][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4140.835333][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4140.835333][ T74] ipv6_find_idev+0x102/0x170 [ 4140.835333][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4140.835333][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4140.835333][ T74] netlink_rcv_skb+0x130/0x360 [ 4140.835333][ T74] netlink_unicast+0x449/0x710 [ 4140.835333][ T74] netlink_sendmsg+0x723/0xbe0 [ 4140.835333][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4140.835333][ T74] ___sys_sendmsg+0xee/0x170 [ 4140.835333][ T74] __sys_sendmsg+0xcd/0x170 [ 4140.835333][ T74] do_syscall_64+0xc6/0x1e0 [ 4140.835333][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4140.835333][ T74] [ 4140.837264][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4140.837500][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4140.837500][ T74] netdev_get_by_index+0x5e/0x80 [ 4140.837500][ T74] fib6_nh_init+0x3d8/0x1580 [ 4140.837500][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4140.837500][ T74] ip6_route_add+0x1c/0x140 [ 4140.837500][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4140.837500][ T74] inet6_addr_add+0x4f8/0xa40 [ 4140.837500][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4140.837500][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4140.837500][ T74] netlink_rcv_skb+0x130/0x360 [ 4140.837500][ T74] netlink_unicast+0x449/0x710 [ 4140.837500][ T74] netlink_sendmsg+0x723/0xbe0 [ 4140.837500][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4140.837500][ T74] ___sys_sendmsg+0xee/0x170 [ 4140.837500][ T74] __sys_sendmsg+0xcd/0x170 [ 4140.837500][ T74] do_syscall_64+0xc6/0x1e0 [ 4140.837500][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4140.837500][ T74] [ 4140.839740][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4140.839740][ T74] netdev_get_by_index+0x5e/0x80 [ 4140.839740][ T74] fib6_nh_init+0x3d8/0x1580 [ 4140.839740][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4140.839740][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4140.839740][ T74] ipv6_add_addr+0x411/0x2000 [ 4140.839740][ T74] inet6_addr_add+0x30e/0xa40 [ 4140.839740][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4140.839740][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4140.839740][ T74] netlink_rcv_skb+0x130/0x360 [ 4140.839740][ T74] netlink_unicast+0x449/0x710 [ 4140.839740][ T74] netlink_sendmsg+0x723/0xbe0 [ 4140.839740][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4140.839740][ T74] ___sys_sendmsg+0xee/0x170 [ 4140.839740][ T74] __sys_sendmsg+0xcd/0x170 [ 4140.839740][ T74] do_syscall_64+0xc6/0x1e0 [ 4140.839740][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4140.839740][ T74] [ 4140.841977][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4140.841977][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4140.841977][ T74] ipv6_find_idev+0x102/0x170 [ 4140.841977][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4140.841977][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4140.841977][ T74] netlink_rcv_skb+0x130/0x360 [ 4140.841977][ T74] netlink_unicast+0x449/0x710 [ 4140.841977][ T74] netlink_sendmsg+0x723/0xbe0 [ 4140.841977][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4140.841977][ T74] ___sys_sendmsg+0xee/0x170 [ 4140.841977][ T74] __sys_sendmsg+0xcd/0x170 [ 4140.841977][ T74] do_syscall_64+0xc6/0x1e0 [ 4140.841977][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4140.841977][ T74] [ 4140.843732][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4140.843732][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4140.843732][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4140.843732][ T74] ipv6_find_idev+0x102/0x170 [ 4140.843732][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4140.843732][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4140.843732][ T74] netlink_rcv_skb+0x130/0x360 [ 4140.843732][ T74] netlink_unicast+0x449/0x710 [ 4140.843732][ T74] netlink_sendmsg+0x723/0xbe0 [ 4140.843732][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4140.843732][ T74] ___sys_sendmsg+0xee/0x170 [ 4140.843732][ T74] __sys_sendmsg+0xcd/0x170 [ 4140.843732][ T74] do_syscall_64+0xc6/0x1e0 [ 4140.843732][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4140.843732][ T74] [ 4151.087974][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4151.088396][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4151.088396][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4151.088396][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4151.088396][ T74] fib6_nh_init+0xa22/0x1580 [ 4151.088396][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4151.088396][ T74] ip6_route_add+0x1c/0x140 [ 4151.088396][ T74] inet6_rtm_newroute+0x104/0x110 [ 4151.088396][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4151.088396][ T74] netlink_rcv_skb+0x130/0x360 [ 4151.088396][ T74] netlink_unicast+0x449/0x710 [ 4151.088396][ T74] netlink_sendmsg+0x723/0xbe0 [ 4151.088396][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4151.088396][ T74] ___sys_sendmsg+0xee/0x170 [ 4151.088396][ T74] __sys_sendmsg+0xcd/0x170 [ 4151.088396][ T74] do_syscall_64+0xc6/0x1e0 [ 4151.088396][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4151.088396][ T74] [ 4151.090353][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4151.090353][ T74] netdev_get_by_index+0x5e/0x80 [ 4151.090353][ T74] fib6_nh_init+0x3d8/0x1580 [ 4151.090353][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4151.090353][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4151.090353][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4151.090353][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4151.090353][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4151.090353][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4151.090353][ T74] addrconf_dad_begin+0x310/0x670 [ 4151.090353][ T74] addrconf_dad_work+0x10b/0xab0 [ 4151.090353][ T74] process_one_work+0x84d/0x18a0 [ 4151.090353][ T74] worker_thread+0x587/0xd30 [ 4151.090353][ T74] kthread+0x28a/0x350 [ 4151.090353][ T74] ret_from_fork+0x31/0x70 [ 4151.090353][ T74] ret_from_fork_asm+0x1a/0x30 [ 4151.090353][ T74] [ 4151.092329][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4151.092329][ T74] netdev_get_by_index+0x5e/0x80 [ 4151.092329][ T74] fib6_nh_init+0x3d8/0x1580 [ 4151.092329][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4151.092329][ T74] ip6_route_add+0x1c/0x140 [ 4151.092329][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4151.092329][ T74] inet6_addr_add+0x4f8/0xa40 [ 4151.092329][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4151.092329][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4151.092329][ T74] netlink_rcv_skb+0x130/0x360 [ 4151.092329][ T74] netlink_unicast+0x449/0x710 [ 4151.092329][ T74] netlink_sendmsg+0x723/0xbe0 [ 4151.092329][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4151.092329][ T74] ___sys_sendmsg+0xee/0x170 [ 4151.092329][ T74] __sys_sendmsg+0xcd/0x170 [ 4151.092329][ T74] do_syscall_64+0xc6/0x1e0 [ 4151.092329][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4151.092329][ T74] [ 4151.094398][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4151.094398][ T74] netdev_get_by_index+0x5e/0x80 [ 4151.094398][ T74] fib6_nh_init+0x3d8/0x1580 [ 4151.094398][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4151.094398][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4151.094398][ T74] ipv6_add_addr+0x411/0x2000 [ 4151.094398][ T74] inet6_addr_add+0x30e/0xa40 [ 4151.094398][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4151.094398][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4151.094398][ T74] netlink_rcv_skb+0x130/0x360 [ 4151.094398][ T74] netlink_unicast+0x449/0x710 [ 4151.094398][ T74] netlink_sendmsg+0x723/0xbe0 [ 4151.094398][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4151.094398][ T74] ___sys_sendmsg+0xee/0x170 [ 4151.094398][ T74] __sys_sendmsg+0xcd/0x170 [ 4151.094398][ T74] do_syscall_64+0xc6/0x1e0 [ 4151.094398][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4151.094398][ T74] [ 4151.096448][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4151.096448][ T74] netdev_get_by_index+0x5e/0x80 [ 4151.096448][ T74] fib6_nh_init+0x3d8/0x1580 [ 4151.096448][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4151.096448][ T74] ip6_route_add+0x1c/0x140 [ 4151.096448][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4151.096448][ T74] addrconf_add_dev+0xe2/0x170 [ 4151.096448][ T74] inet6_addr_add+0x12f/0xa40 [ 4151.096448][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4151.096448][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4151.096448][ T74] netlink_rcv_skb+0x130/0x360 [ 4151.096448][ T74] netlink_unicast+0x449/0x710 [ 4151.096448][ T74] netlink_sendmsg+0x723/0xbe0 [ 4151.096448][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4151.096448][ T74] ___sys_sendmsg+0xee/0x170 [ 4151.096448][ T74] __sys_sendmsg+0xcd/0x170 [ 4151.096448][ T74] do_syscall_64+0xc6/0x1e0 [ 4151.096448][ T74] [ 4151.098480][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4151.098480][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4151.098480][ T74] ipv6_find_idev+0x102/0x170 [ 4151.098480][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4151.098480][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4151.098480][ T74] netlink_rcv_skb+0x130/0x360 [ 4151.098480][ T74] netlink_unicast+0x449/0x710 [ 4151.098480][ T74] netlink_sendmsg+0x723/0xbe0 [ 4151.098480][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4151.098480][ T74] ___sys_sendmsg+0xee/0x170 [ 4151.098480][ T74] __sys_sendmsg+0xcd/0x170 [ 4151.098480][ T74] do_syscall_64+0xc6/0x1e0 [ 4151.098480][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4151.098480][ T74] [ 4151.100067][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4151.100067][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4151.100067][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4151.100067][ T74] ipv6_find_idev+0x102/0x170 [ 4151.100067][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4151.100067][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4151.100067][ T74] netlink_rcv_skb+0x130/0x360 [ 4151.100067][ T74] netlink_unicast+0x449/0x710 [ 4151.100067][ T74] netlink_sendmsg+0x723/0xbe0 [ 4151.100067][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4151.100067][ T74] ___sys_sendmsg+0xee/0x170 [ 4151.100067][ T74] __sys_sendmsg+0xcd/0x170 [ 4151.100067][ T74] do_syscall_64+0xc6/0x1e0 [ 4151.100067][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4151.100067][ T74] [ 4151.101829][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4151.102130][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4151.102130][ T74] dst_init+0x84/0x4a0 [ 4151.102130][ T74] dst_alloc+0x97/0x150 [ 4151.102130][ T74] ip6_dst_alloc+0x23/0x90 [ 4151.102130][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4151.102130][ T74] ip6_pol_route+0x56f/0x840 [ 4151.102130][ T74] fib6_rule_lookup+0x456/0x630 [ 4151.102130][ T74] ip6_route_input+0x59c/0xa50 [ 4151.102130][ T74] ipv6_rcv+0x397/0x810 [ 4151.102130][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4151.102130][ T74] process_backlog+0x101/0x620 [ 4151.102130][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4151.102130][ T74] net_rx_action+0x495/0xbe0 [ 4151.102130][ T74] __do_softirq+0x1b5/0x7f6 [ 4151.102130][ T74] [ 4151.103805][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4151.103805][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4151.103805][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4151.103805][ T74] fib6_nh_init+0xa22/0x1580 [ 4151.103805][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4151.103805][ T74] ip6_route_add+0x1c/0x140 [ 4151.103805][ T74] inet6_rtm_newroute+0x104/0x110 [ 4151.103805][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4151.103805][ T74] netlink_rcv_skb+0x130/0x360 [ 4151.103805][ T74] netlink_unicast+0x449/0x710 [ 4151.103805][ T74] netlink_sendmsg+0x723/0xbe0 [ 4151.103805][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4151.103805][ T74] ___sys_sendmsg+0xee/0x170 [ 4151.103805][ T74] __sys_sendmsg+0xcd/0x170 [ 4151.103805][ T74] do_syscall_64+0xc6/0x1e0 [ 4151.103805][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4151.103805][ T74] [ 4151.105696][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4151.105696][ T74] netdev_get_by_index+0x5e/0x80 [ 4151.105696][ T74] fib6_nh_init+0x3d8/0x1580 [ 4151.105696][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4151.105696][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4151.105696][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4151.105696][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4151.105696][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4151.105696][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4151.105696][ T74] addrconf_dad_begin+0x310/0x670 [ 4151.105696][ T74] addrconf_dad_work+0x10b/0xab0 [ 4151.105696][ T74] process_one_work+0x84d/0x18a0 [ 4151.105696][ T74] worker_thread+0x587/0xd30 [ 4151.105696][ T74] kthread+0x28a/0x350 [ 4151.105696][ T74] ret_from_fork+0x31/0x70 [ 4151.105696][ T74] ret_from_fork_asm+0x1a/0x30 [ 4151.105696][ T74] [ 4151.107613][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4151.107613][ T74] netdev_get_by_index+0x5e/0x80 [ 4151.107613][ T74] fib6_nh_init+0x3d8/0x1580 [ 4151.107613][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4151.107613][ T74] ip6_route_add+0x1c/0x140 [ 4151.107613][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4151.107613][ T74] inet6_addr_add+0x4f8/0xa40 [ 4151.107613][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4151.107613][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4151.107613][ T74] netlink_rcv_skb+0x130/0x360 [ 4151.107613][ T74] netlink_unicast+0x449/0x710 [ 4151.107613][ T74] netlink_sendmsg+0x723/0xbe0 [ 4151.107613][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4151.107613][ T74] ___sys_sendmsg+0xee/0x170 [ 4151.107613][ T74] __sys_sendmsg+0xcd/0x170 [ 4151.107613][ T74] do_syscall_64+0xc6/0x1e0 [ 4151.107613][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4151.107613][ T74] [ 4151.109652][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4151.109652][ T74] netdev_get_by_index+0x5e/0x80 [ 4151.109652][ T74] fib6_nh_init+0x3d8/0x1580 [ 4151.109652][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4151.109652][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4151.109652][ T74] ipv6_add_addr+0x411/0x2000 [ 4151.109652][ T74] inet6_addr_add+0x30e/0xa40 [ 4151.109652][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4151.109652][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4151.109652][ T74] netlink_rcv_skb+0x130/0x360 [ 4151.109652][ T74] netlink_unicast+0x449/0x710 [ 4151.109652][ T74] netlink_sendmsg+0x723/0xbe0 [ 4151.109652][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4151.109652][ T74] ___sys_sendmsg+0xee/0x170 [ 4151.109652][ T74] __sys_sendmsg+0xcd/0x170 [ 4151.109652][ T74] do_syscall_64+0xc6/0x1e0 [ 4151.109652][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4151.109652][ T74] [ 4151.111698][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4151.111698][ T74] netdev_get_by_index+0x5e/0x80 [ 4151.111698][ T74] fib6_nh_init+0x3d8/0x1580 [ 4151.111698][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4151.111698][ T74] ip6_route_add+0x1c/0x140 [ 4151.111698][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4151.111698][ T74] addrconf_add_dev+0xe2/0x170 [ 4151.111698][ T74] inet6_addr_add+0x12f/0xa40 [ 4151.111698][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4151.111698][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4151.111698][ T74] netlink_rcv_skb+0x130/0x360 [ 4151.111698][ T74] netlink_unicast+0x449/0x710 [ 4151.111698][ T74] netlink_sendmsg+0x723/0xbe0 [ 4151.111698][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4151.111698][ T74] ___sys_sendmsg+0xee/0x170 [ 4151.111698][ T74] __sys_sendmsg+0xcd/0x170 [ 4151.111698][ T74] do_syscall_64+0xc6/0x1e0 [ 4151.111698][ T74] [ 4151.113707][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4151.113707][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4151.113707][ T74] ipv6_find_idev+0x102/0x170 [ 4151.113707][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4151.113707][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4151.113707][ T74] netlink_rcv_skb+0x130/0x360 [ 4151.113707][ T74] netlink_unicast+0x449/0x710 [ 4151.113707][ T74] netlink_sendmsg+0x723/0xbe0 [ 4151.113707][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4151.113707][ T74] ___sys_sendmsg+0xee/0x170 [ 4151.113707][ T74] __sys_sendmsg+0xcd/0x170 [ 4151.113707][ T74] do_syscall_64+0xc6/0x1e0 [ 4151.113707][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4151.113707][ T74] [ 4151.115469][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4151.115469][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4151.115469][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4151.115469][ T74] ipv6_find_idev+0x102/0x170 [ 4151.115469][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4151.115469][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4151.115469][ T74] netlink_rcv_skb+0x130/0x360 [ 4151.115469][ T74] netlink_unicast+0x449/0x710 [ 4151.115469][ T74] netlink_sendmsg+0x723/0xbe0 [ 4151.115469][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4151.115469][ T74] ___sys_sendmsg+0xee/0x170 [ 4151.115469][ T74] __sys_sendmsg+0xcd/0x170 [ 4151.115469][ T74] do_syscall_64+0xc6/0x1e0 [ 4151.115469][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4151.115469][ T74] [ 4151.117462][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4151.117766][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4151.117766][ T74] netdev_get_by_index+0x5e/0x80 [ 4151.117766][ T74] fib6_nh_init+0x3d8/0x1580 [ 4151.117766][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4151.117766][ T74] ip6_route_add+0x1c/0x140 [ 4151.117766][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4151.117766][ T74] inet6_addr_add+0x4f8/0xa40 [ 4151.117766][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4151.117766][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4151.117766][ T74] netlink_rcv_skb+0x130/0x360 [ 4151.117766][ T74] netlink_unicast+0x449/0x710 [ 4151.117766][ T74] netlink_sendmsg+0x723/0xbe0 [ 4151.117766][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4151.117766][ T74] ___sys_sendmsg+0xee/0x170 [ 4151.117766][ T74] __sys_sendmsg+0xcd/0x170 [ 4151.117766][ T74] do_syscall_64+0xc6/0x1e0 [ 4151.117766][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4151.117766][ T74] [ 4151.119999][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4151.119999][ T74] netdev_get_by_index+0x5e/0x80 [ 4151.119999][ T74] fib6_nh_init+0x3d8/0x1580 [ 4151.119999][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4151.119999][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4151.119999][ T74] ipv6_add_addr+0x411/0x2000 [ 4151.119999][ T74] inet6_addr_add+0x30e/0xa40 [ 4151.119999][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4151.119999][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4151.119999][ T74] netlink_rcv_skb+0x130/0x360 [ 4151.119999][ T74] netlink_unicast+0x449/0x710 [ 4151.119999][ T74] netlink_sendmsg+0x723/0xbe0 [ 4151.119999][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4151.119999][ T74] ___sys_sendmsg+0xee/0x170 [ 4151.119999][ T74] __sys_sendmsg+0xcd/0x170 [ 4151.119999][ T74] do_syscall_64+0xc6/0x1e0 [ 4151.119999][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4151.119999][ T74] [ 4151.122275][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4151.122275][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4151.122275][ T74] ipv6_find_idev+0x102/0x170 [ 4151.122275][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4151.122275][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4151.122275][ T74] netlink_rcv_skb+0x130/0x360 [ 4151.122275][ T74] netlink_unicast+0x449/0x710 [ 4151.122275][ T74] netlink_sendmsg+0x723/0xbe0 [ 4151.122275][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4151.122275][ T74] ___sys_sendmsg+0xee/0x170 [ 4151.122275][ T74] __sys_sendmsg+0xcd/0x170 [ 4151.122275][ T74] do_syscall_64+0xc6/0x1e0 [ 4151.122275][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4151.122275][ T74] [ 4151.124011][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4151.124011][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4151.124011][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4151.124011][ T74] ipv6_find_idev+0x102/0x170 [ 4151.124011][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4151.124011][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4151.124011][ T74] netlink_rcv_skb+0x130/0x360 [ 4151.124011][ T74] netlink_unicast+0x449/0x710 [ 4151.124011][ T74] netlink_sendmsg+0x723/0xbe0 [ 4151.124011][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4151.124011][ T74] ___sys_sendmsg+0xee/0x170 [ 4151.124011][ T74] __sys_sendmsg+0xcd/0x170 [ 4151.124011][ T74] do_syscall_64+0xc6/0x1e0 [ 4151.124011][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4151.124011][ T74] [ 4161.367980][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4161.368375][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4161.368375][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4161.368375][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4161.368375][ T74] fib6_nh_init+0xa22/0x1580 [ 4161.368375][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4161.368375][ T74] ip6_route_add+0x1c/0x140 [ 4161.368375][ T74] inet6_rtm_newroute+0x104/0x110 [ 4161.368375][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4161.368375][ T74] netlink_rcv_skb+0x130/0x360 [ 4161.368375][ T74] netlink_unicast+0x449/0x710 [ 4161.368375][ T74] netlink_sendmsg+0x723/0xbe0 [ 4161.368375][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4161.368375][ T74] ___sys_sendmsg+0xee/0x170 [ 4161.368375][ T74] __sys_sendmsg+0xcd/0x170 [ 4161.368375][ T74] do_syscall_64+0xc6/0x1e0 [ 4161.368375][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4161.368375][ T74] [ 4161.370305][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4161.370305][ T74] netdev_get_by_index+0x5e/0x80 [ 4161.370305][ T74] fib6_nh_init+0x3d8/0x1580 [ 4161.370305][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4161.370305][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4161.370305][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4161.370305][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4161.370305][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4161.370305][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4161.370305][ T74] addrconf_dad_begin+0x310/0x670 [ 4161.370305][ T74] addrconf_dad_work+0x10b/0xab0 [ 4161.370305][ T74] process_one_work+0x84d/0x18a0 [ 4161.370305][ T74] worker_thread+0x587/0xd30 [ 4161.370305][ T74] kthread+0x28a/0x350 [ 4161.370305][ T74] ret_from_fork+0x31/0x70 [ 4161.370305][ T74] ret_from_fork_asm+0x1a/0x30 [ 4161.370305][ T74] [ 4161.372249][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4161.372249][ T74] netdev_get_by_index+0x5e/0x80 [ 4161.372249][ T74] fib6_nh_init+0x3d8/0x1580 [ 4161.372249][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4161.372249][ T74] ip6_route_add+0x1c/0x140 [ 4161.372249][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4161.372249][ T74] inet6_addr_add+0x4f8/0xa40 [ 4161.372249][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4161.372249][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4161.372249][ T74] netlink_rcv_skb+0x130/0x360 [ 4161.372249][ T74] netlink_unicast+0x449/0x710 [ 4161.372249][ T74] netlink_sendmsg+0x723/0xbe0 [ 4161.372249][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4161.372249][ T74] ___sys_sendmsg+0xee/0x170 [ 4161.372249][ T74] __sys_sendmsg+0xcd/0x170 [ 4161.372249][ T74] do_syscall_64+0xc6/0x1e0 [ 4161.372249][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4161.372249][ T74] [ 4161.374792][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4161.374792][ T74] netdev_get_by_index+0x5e/0x80 [ 4161.374792][ T74] fib6_nh_init+0x3d8/0x1580 [ 4161.374792][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4161.374792][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4161.374792][ T74] ipv6_add_addr+0x411/0x2000 [ 4161.374792][ T74] inet6_addr_add+0x30e/0xa40 [ 4161.374792][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4161.374792][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4161.374792][ T74] netlink_rcv_skb+0x130/0x360 [ 4161.374792][ T74] netlink_unicast+0x449/0x710 [ 4161.374792][ T74] netlink_sendmsg+0x723/0xbe0 [ 4161.374792][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4161.374792][ T74] ___sys_sendmsg+0xee/0x170 [ 4161.374792][ T74] __sys_sendmsg+0xcd/0x170 [ 4161.374792][ T74] do_syscall_64+0xc6/0x1e0 [ 4161.374792][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4161.374792][ T74] [ 4161.376813][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4161.376813][ T74] netdev_get_by_index+0x5e/0x80 [ 4161.376813][ T74] fib6_nh_init+0x3d8/0x1580 [ 4161.376813][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4161.376813][ T74] ip6_route_add+0x1c/0x140 [ 4161.376813][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4161.376813][ T74] addrconf_add_dev+0xe2/0x170 [ 4161.376813][ T74] inet6_addr_add+0x12f/0xa40 [ 4161.376813][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4161.376813][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4161.376813][ T74] netlink_rcv_skb+0x130/0x360 [ 4161.376813][ T74] netlink_unicast+0x449/0x710 [ 4161.376813][ T74] netlink_sendmsg+0x723/0xbe0 [ 4161.376813][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4161.376813][ T74] ___sys_sendmsg+0xee/0x170 [ 4161.376813][ T74] __sys_sendmsg+0xcd/0x170 [ 4161.376813][ T74] do_syscall_64+0xc6/0x1e0 [ 4161.376813][ T74] [ 4161.378807][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4161.378807][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4161.378807][ T74] ipv6_find_idev+0x102/0x170 [ 4161.378807][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4161.378807][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4161.378807][ T74] netlink_rcv_skb+0x130/0x360 [ 4161.378807][ T74] netlink_unicast+0x449/0x710 [ 4161.378807][ T74] netlink_sendmsg+0x723/0xbe0 [ 4161.378807][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4161.378807][ T74] ___sys_sendmsg+0xee/0x170 [ 4161.378807][ T74] __sys_sendmsg+0xcd/0x170 [ 4161.378807][ T74] do_syscall_64+0xc6/0x1e0 [ 4161.378807][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4161.378807][ T74] [ 4161.380371][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4161.380371][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4161.380371][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4161.380371][ T74] ipv6_find_idev+0x102/0x170 [ 4161.380371][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4161.380371][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4161.380371][ T74] netlink_rcv_skb+0x130/0x360 [ 4161.380371][ T74] netlink_unicast+0x449/0x710 [ 4161.380371][ T74] netlink_sendmsg+0x723/0xbe0 [ 4161.380371][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4161.380371][ T74] ___sys_sendmsg+0xee/0x170 [ 4161.380371][ T74] __sys_sendmsg+0xcd/0x170 [ 4161.380371][ T74] do_syscall_64+0xc6/0x1e0 [ 4161.380371][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4161.380371][ T74] [ 4161.384334][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4161.384619][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4161.384619][ T74] dst_init+0x84/0x4a0 [ 4161.384619][ T74] dst_alloc+0x97/0x150 [ 4161.384619][ T74] ip6_dst_alloc+0x23/0x90 [ 4161.384619][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4161.384619][ T74] ip6_pol_route+0x56f/0x840 [ 4161.384619][ T74] fib6_rule_lookup+0x456/0x630 [ 4161.384619][ T74] ip6_route_input+0x59c/0xa50 [ 4161.384619][ T74] ipv6_rcv+0x397/0x810 [ 4161.384619][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4161.384619][ T74] process_backlog+0x101/0x620 [ 4161.384619][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4161.384619][ T74] net_rx_action+0x495/0xbe0 [ 4161.384619][ T74] __do_softirq+0x1b5/0x7f6 [ 4161.384619][ T74] [ 4161.386297][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4161.386297][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4161.386297][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4161.386297][ T74] fib6_nh_init+0xa22/0x1580 [ 4161.386297][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4161.386297][ T74] ip6_route_add+0x1c/0x140 [ 4161.386297][ T74] inet6_rtm_newroute+0x104/0x110 [ 4161.386297][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4161.386297][ T74] netlink_rcv_skb+0x130/0x360 [ 4161.386297][ T74] netlink_unicast+0x449/0x710 [ 4161.386297][ T74] netlink_sendmsg+0x723/0xbe0 [ 4161.386297][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4161.386297][ T74] ___sys_sendmsg+0xee/0x170 [ 4161.386297][ T74] __sys_sendmsg+0xcd/0x170 [ 4161.386297][ T74] do_syscall_64+0xc6/0x1e0 [ 4161.386297][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4161.386297][ T74] [ 4161.388202][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4161.388202][ T74] netdev_get_by_index+0x5e/0x80 [ 4161.388202][ T74] fib6_nh_init+0x3d8/0x1580 [ 4161.388202][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4161.388202][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4161.388202][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4161.388202][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4161.388202][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4161.388202][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4161.388202][ T74] addrconf_dad_begin+0x310/0x670 [ 4161.388202][ T74] addrconf_dad_work+0x10b/0xab0 [ 4161.388202][ T74] process_one_work+0x84d/0x18a0 [ 4161.388202][ T74] worker_thread+0x587/0xd30 [ 4161.388202][ T74] kthread+0x28a/0x350 [ 4161.388202][ T74] ret_from_fork+0x31/0x70 [ 4161.388202][ T74] ret_from_fork_asm+0x1a/0x30 [ 4161.388202][ T74] [ 4161.390142][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4161.390142][ T74] netdev_get_by_index+0x5e/0x80 [ 4161.390142][ T74] fib6_nh_init+0x3d8/0x1580 [ 4161.390142][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4161.390142][ T74] ip6_route_add+0x1c/0x140 [ 4161.390142][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4161.390142][ T74] inet6_addr_add+0x4f8/0xa40 [ 4161.390142][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4161.390142][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4161.390142][ T74] netlink_rcv_skb+0x130/0x360 [ 4161.390142][ T74] netlink_unicast+0x449/0x710 [ 4161.390142][ T74] netlink_sendmsg+0x723/0xbe0 [ 4161.390142][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4161.390142][ T74] ___sys_sendmsg+0xee/0x170 [ 4161.390142][ T74] __sys_sendmsg+0xcd/0x170 [ 4161.390142][ T74] do_syscall_64+0xc6/0x1e0 [ 4161.390142][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4161.390142][ T74] [ 4161.392168][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4161.392168][ T74] netdev_get_by_index+0x5e/0x80 [ 4161.392168][ T74] fib6_nh_init+0x3d8/0x1580 [ 4161.392168][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4161.392168][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4161.392168][ T74] ipv6_add_addr+0x411/0x2000 [ 4161.392168][ T74] inet6_addr_add+0x30e/0xa40 [ 4161.392168][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4161.392168][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4161.392168][ T74] netlink_rcv_skb+0x130/0x360 [ 4161.392168][ T74] netlink_unicast+0x449/0x710 [ 4161.392168][ T74] netlink_sendmsg+0x723/0xbe0 [ 4161.392168][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4161.392168][ T74] ___sys_sendmsg+0xee/0x170 [ 4161.392168][ T74] __sys_sendmsg+0xcd/0x170 [ 4161.392168][ T74] do_syscall_64+0xc6/0x1e0 [ 4161.392168][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4161.392168][ T74] [ 4161.394210][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4161.394210][ T74] netdev_get_by_index+0x5e/0x80 [ 4161.394210][ T74] fib6_nh_init+0x3d8/0x1580 [ 4161.394210][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4161.394210][ T74] ip6_route_add+0x1c/0x140 [ 4161.394210][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4161.394210][ T74] addrconf_add_dev+0xe2/0x170 [ 4161.394210][ T74] inet6_addr_add+0x12f/0xa40 [ 4161.394210][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4161.394210][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4161.394210][ T74] netlink_rcv_skb+0x130/0x360 [ 4161.394210][ T74] netlink_unicast+0x449/0x710 [ 4161.394210][ T74] netlink_sendmsg+0x723/0xbe0 [ 4161.394210][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4161.394210][ T74] ___sys_sendmsg+0xee/0x170 [ 4161.394210][ T74] __sys_sendmsg+0xcd/0x170 [ 4161.394210][ T74] do_syscall_64+0xc6/0x1e0 [ 4161.394210][ T74] [ 4161.396204][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4161.396204][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4161.396204][ T74] ipv6_find_idev+0x102/0x170 [ 4161.396204][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4161.396204][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4161.396204][ T74] netlink_rcv_skb+0x130/0x360 [ 4161.396204][ T74] netlink_unicast+0x449/0x710 [ 4161.396204][ T74] netlink_sendmsg+0x723/0xbe0 [ 4161.396204][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4161.396204][ T74] ___sys_sendmsg+0xee/0x170 [ 4161.396204][ T74] __sys_sendmsg+0xcd/0x170 [ 4161.396204][ T74] do_syscall_64+0xc6/0x1e0 [ 4161.396204][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4161.396204][ T74] [ 4161.397952][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4161.397952][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4161.397952][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4161.397952][ T74] ipv6_find_idev+0x102/0x170 [ 4161.397952][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4161.397952][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4161.397952][ T74] netlink_rcv_skb+0x130/0x360 [ 4161.397952][ T74] netlink_unicast+0x449/0x710 [ 4161.397952][ T74] netlink_sendmsg+0x723/0xbe0 [ 4161.397952][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4161.397952][ T74] ___sys_sendmsg+0xee/0x170 [ 4161.397952][ T74] __sys_sendmsg+0xcd/0x170 [ 4161.397952][ T74] do_syscall_64+0xc6/0x1e0 [ 4161.397952][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4161.397952][ T74] [ 4161.399913][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4161.400225][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4161.400225][ T74] netdev_get_by_index+0x5e/0x80 [ 4161.400225][ T74] fib6_nh_init+0x3d8/0x1580 [ 4161.400225][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4161.400225][ T74] ip6_route_add+0x1c/0x140 [ 4161.400225][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4161.400225][ T74] inet6_addr_add+0x4f8/0xa40 [ 4161.400225][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4161.400225][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4161.400225][ T74] netlink_rcv_skb+0x130/0x360 [ 4161.400225][ T74] netlink_unicast+0x449/0x710 [ 4161.400225][ T74] netlink_sendmsg+0x723/0xbe0 [ 4161.400225][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4161.400225][ T74] ___sys_sendmsg+0xee/0x170 [ 4161.400225][ T74] __sys_sendmsg+0xcd/0x170 [ 4161.400225][ T74] do_syscall_64+0xc6/0x1e0 [ 4161.400225][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4161.400225][ T74] [ 4161.402435][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4161.402435][ T74] netdev_get_by_index+0x5e/0x80 [ 4161.402435][ T74] fib6_nh_init+0x3d8/0x1580 [ 4161.402435][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4161.402435][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4161.402435][ T74] ipv6_add_addr+0x411/0x2000 [ 4161.402435][ T74] inet6_addr_add+0x30e/0xa40 [ 4161.402435][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4161.402435][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4161.402435][ T74] netlink_rcv_skb+0x130/0x360 [ 4161.402435][ T74] netlink_unicast+0x449/0x710 [ 4161.402435][ T74] netlink_sendmsg+0x723/0xbe0 [ 4161.402435][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4161.402435][ T74] ___sys_sendmsg+0xee/0x170 [ 4161.402435][ T74] __sys_sendmsg+0xcd/0x170 [ 4161.402435][ T74] do_syscall_64+0xc6/0x1e0 [ 4161.402435][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4161.402435][ T74] [ 4161.404699][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4161.404699][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4161.404699][ T74] ipv6_find_idev+0x102/0x170 [ 4161.404699][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4161.404699][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4161.404699][ T74] netlink_rcv_skb+0x130/0x360 [ 4161.404699][ T74] netlink_unicast+0x449/0x710 [ 4161.404699][ T74] netlink_sendmsg+0x723/0xbe0 [ 4161.404699][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4161.404699][ T74] ___sys_sendmsg+0xee/0x170 [ 4161.404699][ T74] __sys_sendmsg+0xcd/0x170 [ 4161.404699][ T74] do_syscall_64+0xc6/0x1e0 [ 4161.404699][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4161.404699][ T74] [ 4161.406452][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4161.406452][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4161.406452][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4161.406452][ T74] ipv6_find_idev+0x102/0x170 [ 4161.406452][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4161.406452][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4161.406452][ T74] netlink_rcv_skb+0x130/0x360 [ 4161.406452][ T74] netlink_unicast+0x449/0x710 [ 4161.406452][ T74] netlink_sendmsg+0x723/0xbe0 [ 4161.406452][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4161.406452][ T74] ___sys_sendmsg+0xee/0x170 [ 4161.406452][ T74] __sys_sendmsg+0xcd/0x170 [ 4161.406452][ T74] do_syscall_64+0xc6/0x1e0 [ 4161.406452][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4161.406452][ T74] [ 4171.647975][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4171.648402][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4171.648402][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4171.648402][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4171.648402][ T74] fib6_nh_init+0xa22/0x1580 [ 4171.648402][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4171.648402][ T74] ip6_route_add+0x1c/0x140 [ 4171.648402][ T74] inet6_rtm_newroute+0x104/0x110 [ 4171.648402][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4171.648402][ T74] netlink_rcv_skb+0x130/0x360 [ 4171.648402][ T74] netlink_unicast+0x449/0x710 [ 4171.648402][ T74] netlink_sendmsg+0x723/0xbe0 [ 4171.648402][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4171.648402][ T74] ___sys_sendmsg+0xee/0x170 [ 4171.648402][ T74] __sys_sendmsg+0xcd/0x170 [ 4171.648402][ T74] do_syscall_64+0xc6/0x1e0 [ 4171.648402][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4171.648402][ T74] [ 4171.650325][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4171.650325][ T74] netdev_get_by_index+0x5e/0x80 [ 4171.650325][ T74] fib6_nh_init+0x3d8/0x1580 [ 4171.650325][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4171.650325][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4171.650325][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4171.650325][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4171.650325][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4171.650325][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4171.650325][ T74] addrconf_dad_begin+0x310/0x670 [ 4171.650325][ T74] addrconf_dad_work+0x10b/0xab0 [ 4171.650325][ T74] process_one_work+0x84d/0x18a0 [ 4171.650325][ T74] worker_thread+0x587/0xd30 [ 4171.650325][ T74] kthread+0x28a/0x350 [ 4171.650325][ T74] ret_from_fork+0x31/0x70 [ 4171.650325][ T74] ret_from_fork_asm+0x1a/0x30 [ 4171.650325][ T74] [ 4171.652232][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4171.652232][ T74] netdev_get_by_index+0x5e/0x80 [ 4171.652232][ T74] fib6_nh_init+0x3d8/0x1580 [ 4171.652232][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4171.652232][ T74] ip6_route_add+0x1c/0x140 [ 4171.652232][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4171.652232][ T74] inet6_addr_add+0x4f8/0xa40 [ 4171.652232][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4171.652232][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4171.652232][ T74] netlink_rcv_skb+0x130/0x360 [ 4171.652232][ T74] netlink_unicast+0x449/0x710 [ 4171.652232][ T74] netlink_sendmsg+0x723/0xbe0 [ 4171.652232][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4171.652232][ T74] ___sys_sendmsg+0xee/0x170 [ 4171.652232][ T74] __sys_sendmsg+0xcd/0x170 [ 4171.652232][ T74] do_syscall_64+0xc6/0x1e0 [ 4171.652232][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4171.652232][ T74] [ 4171.654241][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4171.654241][ T74] netdev_get_by_index+0x5e/0x80 [ 4171.654241][ T74] fib6_nh_init+0x3d8/0x1580 [ 4171.654241][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4171.654241][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4171.654241][ T74] ipv6_add_addr+0x411/0x2000 [ 4171.654241][ T74] inet6_addr_add+0x30e/0xa40 [ 4171.654241][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4171.654241][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4171.654241][ T74] netlink_rcv_skb+0x130/0x360 [ 4171.654241][ T74] netlink_unicast+0x449/0x710 [ 4171.654241][ T74] netlink_sendmsg+0x723/0xbe0 [ 4171.654241][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4171.654241][ T74] ___sys_sendmsg+0xee/0x170 [ 4171.654241][ T74] __sys_sendmsg+0xcd/0x170 [ 4171.654241][ T74] do_syscall_64+0xc6/0x1e0 [ 4171.654241][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4171.654241][ T74] [ 4171.656246][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4171.656246][ T74] netdev_get_by_index+0x5e/0x80 [ 4171.656246][ T74] fib6_nh_init+0x3d8/0x1580 [ 4171.656246][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4171.656246][ T74] ip6_route_add+0x1c/0x140 [ 4171.656246][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4171.656246][ T74] addrconf_add_dev+0xe2/0x170 [ 4171.656246][ T74] inet6_addr_add+0x12f/0xa40 [ 4171.656246][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4171.656246][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4171.656246][ T74] netlink_rcv_skb+0x130/0x360 [ 4171.656246][ T74] netlink_unicast+0x449/0x710 [ 4171.656246][ T74] netlink_sendmsg+0x723/0xbe0 [ 4171.656246][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4171.656246][ T74] ___sys_sendmsg+0xee/0x170 [ 4171.656246][ T74] __sys_sendmsg+0xcd/0x170 [ 4171.656246][ T74] do_syscall_64+0xc6/0x1e0 [ 4171.656246][ T74] [ 4171.658208][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4171.658208][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4171.658208][ T74] ipv6_find_idev+0x102/0x170 [ 4171.658208][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4171.658208][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4171.658208][ T74] netlink_rcv_skb+0x130/0x360 [ 4171.658208][ T74] netlink_unicast+0x449/0x710 [ 4171.658208][ T74] netlink_sendmsg+0x723/0xbe0 [ 4171.658208][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4171.658208][ T74] ___sys_sendmsg+0xee/0x170 [ 4171.658208][ T74] __sys_sendmsg+0xcd/0x170 [ 4171.658208][ T74] do_syscall_64+0xc6/0x1e0 [ 4171.658208][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4171.658208][ T74] [ 4171.662279][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4171.662279][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4171.662279][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4171.662279][ T74] ipv6_find_idev+0x102/0x170 [ 4171.662279][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4171.662279][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4171.662279][ T74] netlink_rcv_skb+0x130/0x360 [ 4171.662279][ T74] netlink_unicast+0x449/0x710 [ 4171.662279][ T74] netlink_sendmsg+0x723/0xbe0 [ 4171.662279][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4171.662279][ T74] ___sys_sendmsg+0xee/0x170 [ 4171.662279][ T74] __sys_sendmsg+0xcd/0x170 [ 4171.662279][ T74] do_syscall_64+0xc6/0x1e0 [ 4171.662279][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4171.662279][ T74] [ 4171.663979][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4171.664254][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4171.664254][ T74] dst_init+0x84/0x4a0 [ 4171.664254][ T74] dst_alloc+0x97/0x150 [ 4171.664254][ T74] ip6_dst_alloc+0x23/0x90 [ 4171.664254][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4171.664254][ T74] ip6_pol_route+0x56f/0x840 [ 4171.664254][ T74] fib6_rule_lookup+0x456/0x630 [ 4171.664254][ T74] ip6_route_input+0x59c/0xa50 [ 4171.664254][ T74] ipv6_rcv+0x397/0x810 [ 4171.664254][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4171.664254][ T74] process_backlog+0x101/0x620 [ 4171.664254][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4171.664254][ T74] net_rx_action+0x495/0xbe0 [ 4171.664254][ T74] __do_softirq+0x1b5/0x7f6 [ 4171.664254][ T74] [ 4171.665899][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4171.665899][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4171.665899][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4171.665899][ T74] fib6_nh_init+0xa22/0x1580 [ 4171.665899][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4171.665899][ T74] ip6_route_add+0x1c/0x140 [ 4171.665899][ T74] inet6_rtm_newroute+0x104/0x110 [ 4171.665899][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4171.665899][ T74] netlink_rcv_skb+0x130/0x360 [ 4171.665899][ T74] netlink_unicast+0x449/0x710 [ 4171.665899][ T74] netlink_sendmsg+0x723/0xbe0 [ 4171.665899][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4171.665899][ T74] ___sys_sendmsg+0xee/0x170 [ 4171.665899][ T74] __sys_sendmsg+0xcd/0x170 [ 4171.665899][ T74] do_syscall_64+0xc6/0x1e0 [ 4171.665899][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4171.665899][ T74] [ 4171.667797][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4171.667797][ T74] netdev_get_by_index+0x5e/0x80 [ 4171.667797][ T74] fib6_nh_init+0x3d8/0x1580 [ 4171.667797][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4171.667797][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4171.667797][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4171.667797][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4171.667797][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4171.667797][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4171.667797][ T74] addrconf_dad_begin+0x310/0x670 [ 4171.667797][ T74] addrconf_dad_work+0x10b/0xab0 [ 4171.667797][ T74] process_one_work+0x84d/0x18a0 [ 4171.667797][ T74] worker_thread+0x587/0xd30 [ 4171.667797][ T74] kthread+0x28a/0x350 [ 4171.667797][ T74] ret_from_fork+0x31/0x70 [ 4171.667797][ T74] ret_from_fork_asm+0x1a/0x30 [ 4171.667797][ T74] [ 4171.669712][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4171.669712][ T74] netdev_get_by_index+0x5e/0x80 [ 4171.669712][ T74] fib6_nh_init+0x3d8/0x1580 [ 4171.669712][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4171.669712][ T74] ip6_route_add+0x1c/0x140 [ 4171.669712][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4171.669712][ T74] inet6_addr_add+0x4f8/0xa40 [ 4171.669712][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4171.669712][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4171.669712][ T74] netlink_rcv_skb+0x130/0x360 [ 4171.669712][ T74] netlink_unicast+0x449/0x710 [ 4171.669712][ T74] netlink_sendmsg+0x723/0xbe0 [ 4171.669712][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4171.669712][ T74] ___sys_sendmsg+0xee/0x170 [ 4171.669712][ T74] __sys_sendmsg+0xcd/0x170 [ 4171.669712][ T74] do_syscall_64+0xc6/0x1e0 [ 4171.669712][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4171.669712][ T74] [ 4171.673193][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4171.673193][ T74] netdev_get_by_index+0x5e/0x80 [ 4171.673193][ T74] fib6_nh_init+0x3d8/0x1580 [ 4171.673193][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4171.673193][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4171.673193][ T74] ipv6_add_addr+0x411/0x2000 [ 4171.673193][ T74] inet6_addr_add+0x30e/0xa40 [ 4171.673193][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4171.673193][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4171.673193][ T74] netlink_rcv_skb+0x130/0x360 [ 4171.673193][ T74] netlink_unicast+0x449/0x710 [ 4171.673193][ T74] netlink_sendmsg+0x723/0xbe0 [ 4171.673193][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4171.673193][ T74] ___sys_sendmsg+0xee/0x170 [ 4171.673193][ T74] __sys_sendmsg+0xcd/0x170 [ 4171.673193][ T74] do_syscall_64+0xc6/0x1e0 [ 4171.673193][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4171.673193][ T74] [ 4171.675245][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4171.675245][ T74] netdev_get_by_index+0x5e/0x80 [ 4171.675245][ T74] fib6_nh_init+0x3d8/0x1580 [ 4171.675245][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4171.675245][ T74] ip6_route_add+0x1c/0x140 [ 4171.675245][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4171.675245][ T74] addrconf_add_dev+0xe2/0x170 [ 4171.675245][ T74] inet6_addr_add+0x12f/0xa40 [ 4171.675245][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4171.675245][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4171.675245][ T74] netlink_rcv_skb+0x130/0x360 [ 4171.675245][ T74] netlink_unicast+0x449/0x710 [ 4171.675245][ T74] netlink_sendmsg+0x723/0xbe0 [ 4171.675245][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4171.675245][ T74] ___sys_sendmsg+0xee/0x170 [ 4171.675245][ T74] __sys_sendmsg+0xcd/0x170 [ 4171.675245][ T74] do_syscall_64+0xc6/0x1e0 [ 4171.675245][ T74] [ 4171.677225][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4171.677225][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4171.677225][ T74] ipv6_find_idev+0x102/0x170 [ 4171.677225][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4171.677225][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4171.677225][ T74] netlink_rcv_skb+0x130/0x360 [ 4171.677225][ T74] netlink_unicast+0x449/0x710 [ 4171.677225][ T74] netlink_sendmsg+0x723/0xbe0 [ 4171.677225][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4171.677225][ T74] ___sys_sendmsg+0xee/0x170 [ 4171.677225][ T74] __sys_sendmsg+0xcd/0x170 [ 4171.677225][ T74] do_syscall_64+0xc6/0x1e0 [ 4171.677225][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4171.677225][ T74] [ 4171.678978][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4171.678978][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4171.678978][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4171.678978][ T74] ipv6_find_idev+0x102/0x170 [ 4171.678978][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4171.678978][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4171.678978][ T74] netlink_rcv_skb+0x130/0x360 [ 4171.678978][ T74] netlink_unicast+0x449/0x710 [ 4171.678978][ T74] netlink_sendmsg+0x723/0xbe0 [ 4171.678978][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4171.678978][ T74] ___sys_sendmsg+0xee/0x170 [ 4171.678978][ T74] __sys_sendmsg+0xcd/0x170 [ 4171.678978][ T74] do_syscall_64+0xc6/0x1e0 [ 4171.678978][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4171.678978][ T74] [ 4171.680964][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4171.681208][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4171.681208][ T74] netdev_get_by_index+0x5e/0x80 [ 4171.681208][ T74] fib6_nh_init+0x3d8/0x1580 [ 4171.681208][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4171.681208][ T74] ip6_route_add+0x1c/0x140 [ 4171.681208][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4171.681208][ T74] inet6_addr_add+0x4f8/0xa40 [ 4171.681208][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4171.681208][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4171.681208][ T74] netlink_rcv_skb+0x130/0x360 [ 4171.681208][ T74] netlink_unicast+0x449/0x710 [ 4171.681208][ T74] netlink_sendmsg+0x723/0xbe0 [ 4171.681208][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4171.681208][ T74] ___sys_sendmsg+0xee/0x170 [ 4171.681208][ T74] __sys_sendmsg+0xcd/0x170 [ 4171.681208][ T74] do_syscall_64+0xc6/0x1e0 [ 4171.681208][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4171.681208][ T74] [ 4171.683467][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4171.683467][ T74] netdev_get_by_index+0x5e/0x80 [ 4171.683467][ T74] fib6_nh_init+0x3d8/0x1580 [ 4171.683467][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4171.683467][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4171.683467][ T74] ipv6_add_addr+0x411/0x2000 [ 4171.683467][ T74] inet6_addr_add+0x30e/0xa40 [ 4171.683467][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4171.683467][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4171.683467][ T74] netlink_rcv_skb+0x130/0x360 [ 4171.683467][ T74] netlink_unicast+0x449/0x710 [ 4171.683467][ T74] netlink_sendmsg+0x723/0xbe0 [ 4171.683467][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4171.683467][ T74] ___sys_sendmsg+0xee/0x170 [ 4171.683467][ T74] __sys_sendmsg+0xcd/0x170 [ 4171.683467][ T74] do_syscall_64+0xc6/0x1e0 [ 4171.683467][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4171.683467][ T74] [ 4171.685729][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4171.685729][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4171.685729][ T74] ipv6_find_idev+0x102/0x170 [ 4171.685729][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4171.685729][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4171.685729][ T74] netlink_rcv_skb+0x130/0x360 [ 4171.685729][ T74] netlink_unicast+0x449/0x710 [ 4171.685729][ T74] netlink_sendmsg+0x723/0xbe0 [ 4171.685729][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4171.685729][ T74] ___sys_sendmsg+0xee/0x170 [ 4171.685729][ T74] __sys_sendmsg+0xcd/0x170 [ 4171.685729][ T74] do_syscall_64+0xc6/0x1e0 [ 4171.685729][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4171.685729][ T74] [ 4171.687459][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4171.687459][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4171.687459][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4171.687459][ T74] ipv6_find_idev+0x102/0x170 [ 4171.687459][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4171.687459][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4171.687459][ T74] netlink_rcv_skb+0x130/0x360 [ 4171.687459][ T74] netlink_unicast+0x449/0x710 [ 4171.687459][ T74] netlink_sendmsg+0x723/0xbe0 [ 4171.687459][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4171.687459][ T74] ___sys_sendmsg+0xee/0x170 [ 4171.687459][ T74] __sys_sendmsg+0xcd/0x170 [ 4171.687459][ T74] do_syscall_64+0xc6/0x1e0 [ 4171.687459][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4171.687459][ T74] [ 4181.927988][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4181.928358][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4181.928358][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4181.928358][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4181.928358][ T74] fib6_nh_init+0xa22/0x1580 [ 4181.928358][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4181.928358][ T74] ip6_route_add+0x1c/0x140 [ 4181.928358][ T74] inet6_rtm_newroute+0x104/0x110 [ 4181.928358][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4181.928358][ T74] netlink_rcv_skb+0x130/0x360 [ 4181.928358][ T74] netlink_unicast+0x449/0x710 [ 4181.928358][ T74] netlink_sendmsg+0x723/0xbe0 [ 4181.928358][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4181.928358][ T74] ___sys_sendmsg+0xee/0x170 [ 4181.928358][ T74] __sys_sendmsg+0xcd/0x170 [ 4181.928358][ T74] do_syscall_64+0xc6/0x1e0 [ 4181.928358][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4181.928358][ T74] [ 4181.930317][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4181.930317][ T74] netdev_get_by_index+0x5e/0x80 [ 4181.930317][ T74] fib6_nh_init+0x3d8/0x1580 [ 4181.930317][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4181.930317][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4181.930317][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4181.930317][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4181.930317][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4181.930317][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4181.930317][ T74] addrconf_dad_begin+0x310/0x670 [ 4181.930317][ T74] addrconf_dad_work+0x10b/0xab0 [ 4181.930317][ T74] process_one_work+0x84d/0x18a0 [ 4181.930317][ T74] worker_thread+0x587/0xd30 [ 4181.930317][ T74] kthread+0x28a/0x350 [ 4181.930317][ T74] ret_from_fork+0x31/0x70 [ 4181.930317][ T74] ret_from_fork_asm+0x1a/0x30 [ 4181.930317][ T74] [ 4181.932269][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4181.932269][ T74] netdev_get_by_index+0x5e/0x80 [ 4181.932269][ T74] fib6_nh_init+0x3d8/0x1580 [ 4181.932269][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4181.932269][ T74] ip6_route_add+0x1c/0x140 [ 4181.932269][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4181.932269][ T74] inet6_addr_add+0x4f8/0xa40 [ 4181.932269][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4181.932269][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4181.932269][ T74] netlink_rcv_skb+0x130/0x360 [ 4181.932269][ T74] netlink_unicast+0x449/0x710 [ 4181.932269][ T74] netlink_sendmsg+0x723/0xbe0 [ 4181.932269][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4181.932269][ T74] ___sys_sendmsg+0xee/0x170 [ 4181.932269][ T74] __sys_sendmsg+0xcd/0x170 [ 4181.932269][ T74] do_syscall_64+0xc6/0x1e0 [ 4181.932269][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4181.932269][ T74] [ 4181.934292][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4181.934292][ T74] netdev_get_by_index+0x5e/0x80 [ 4181.934292][ T74] fib6_nh_init+0x3d8/0x1580 [ 4181.934292][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4181.934292][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4181.934292][ T74] ipv6_add_addr+0x411/0x2000 [ 4181.934292][ T74] inet6_addr_add+0x30e/0xa40 [ 4181.934292][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4181.934292][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4181.934292][ T74] netlink_rcv_skb+0x130/0x360 [ 4181.934292][ T74] netlink_unicast+0x449/0x710 [ 4181.934292][ T74] netlink_sendmsg+0x723/0xbe0 [ 4181.934292][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4181.934292][ T74] ___sys_sendmsg+0xee/0x170 [ 4181.934292][ T74] __sys_sendmsg+0xcd/0x170 [ 4181.934292][ T74] do_syscall_64+0xc6/0x1e0 [ 4181.934292][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4181.934292][ T74] [ 4181.936333][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4181.936333][ T74] netdev_get_by_index+0x5e/0x80 [ 4181.936333][ T74] fib6_nh_init+0x3d8/0x1580 [ 4181.936333][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4181.936333][ T74] ip6_route_add+0x1c/0x140 [ 4181.936333][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4181.936333][ T74] addrconf_add_dev+0xe2/0x170 [ 4181.936333][ T74] inet6_addr_add+0x12f/0xa40 [ 4181.936333][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4181.936333][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4181.936333][ T74] netlink_rcv_skb+0x130/0x360 [ 4181.936333][ T74] netlink_unicast+0x449/0x710 [ 4181.936333][ T74] netlink_sendmsg+0x723/0xbe0 [ 4181.936333][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4181.936333][ T74] ___sys_sendmsg+0xee/0x170 [ 4181.936333][ T74] __sys_sendmsg+0xcd/0x170 [ 4181.936333][ T74] do_syscall_64+0xc6/0x1e0 [ 4181.936333][ T74] [ 4181.938330][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4181.938330][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4181.938330][ T74] ipv6_find_idev+0x102/0x170 [ 4181.938330][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4181.938330][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4181.938330][ T74] netlink_rcv_skb+0x130/0x360 [ 4181.938330][ T74] netlink_unicast+0x449/0x710 [ 4181.938330][ T74] netlink_sendmsg+0x723/0xbe0 [ 4181.938330][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4181.938330][ T74] ___sys_sendmsg+0xee/0x170 [ 4181.938330][ T74] __sys_sendmsg+0xcd/0x170 [ 4181.938330][ T74] do_syscall_64+0xc6/0x1e0 [ 4181.938330][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4181.938330][ T74] [ 4181.939893][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4181.939893][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4181.939893][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4181.939893][ T74] ipv6_find_idev+0x102/0x170 [ 4181.939893][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4181.939893][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4181.939893][ T74] netlink_rcv_skb+0x130/0x360 [ 4181.939893][ T74] netlink_unicast+0x449/0x710 [ 4181.939893][ T74] netlink_sendmsg+0x723/0xbe0 [ 4181.939893][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4181.939893][ T74] ___sys_sendmsg+0xee/0x170 [ 4181.939893][ T74] __sys_sendmsg+0xcd/0x170 [ 4181.939893][ T74] do_syscall_64+0xc6/0x1e0 [ 4181.939893][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4181.939893][ T74] [ 4181.941607][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4181.941911][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4181.941911][ T74] dst_init+0x84/0x4a0 [ 4181.941911][ T74] dst_alloc+0x97/0x150 [ 4181.941911][ T74] ip6_dst_alloc+0x23/0x90 [ 4181.941911][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4181.941911][ T74] ip6_pol_route+0x56f/0x840 [ 4181.941911][ T74] fib6_rule_lookup+0x456/0x630 [ 4181.941911][ T74] ip6_route_input+0x59c/0xa50 [ 4181.941911][ T74] ipv6_rcv+0x397/0x810 [ 4181.941911][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4181.941911][ T74] process_backlog+0x101/0x620 [ 4181.941911][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4181.941911][ T74] net_rx_action+0x495/0xbe0 [ 4181.941911][ T74] __do_softirq+0x1b5/0x7f6 [ 4181.941911][ T74] [ 4181.943667][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4181.943667][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4181.943667][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4181.943667][ T74] fib6_nh_init+0xa22/0x1580 [ 4181.943667][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4181.943667][ T74] ip6_route_add+0x1c/0x140 [ 4181.943667][ T74] inet6_rtm_newroute+0x104/0x110 [ 4181.943667][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4181.943667][ T74] netlink_rcv_skb+0x130/0x360 [ 4181.943667][ T74] netlink_unicast+0x449/0x710 [ 4181.943667][ T74] netlink_sendmsg+0x723/0xbe0 [ 4181.943667][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4181.943667][ T74] ___sys_sendmsg+0xee/0x170 [ 4181.943667][ T74] __sys_sendmsg+0xcd/0x170 [ 4181.943667][ T74] do_syscall_64+0xc6/0x1e0 [ 4181.943667][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4181.943667][ T74] [ 4181.945572][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4181.945572][ T74] netdev_get_by_index+0x5e/0x80 [ 4181.945572][ T74] fib6_nh_init+0x3d8/0x1580 [ 4181.945572][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4181.945572][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4181.945572][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4181.945572][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4181.945572][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4181.945572][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4181.945572][ T74] addrconf_dad_begin+0x310/0x670 [ 4181.945572][ T74] addrconf_dad_work+0x10b/0xab0 [ 4181.945572][ T74] process_one_work+0x84d/0x18a0 [ 4181.945572][ T74] worker_thread+0x587/0xd30 [ 4181.945572][ T74] kthread+0x28a/0x350 [ 4181.945572][ T74] ret_from_fork+0x31/0x70 [ 4181.945572][ T74] ret_from_fork_asm+0x1a/0x30 [ 4181.945572][ T74] [ 4181.947500][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4181.947500][ T74] netdev_get_by_index+0x5e/0x80 [ 4181.947500][ T74] fib6_nh_init+0x3d8/0x1580 [ 4181.947500][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4181.947500][ T74] ip6_route_add+0x1c/0x140 [ 4181.947500][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4181.947500][ T74] inet6_addr_add+0x4f8/0xa40 [ 4181.947500][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4181.947500][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4181.947500][ T74] netlink_rcv_skb+0x130/0x360 [ 4181.947500][ T74] netlink_unicast+0x449/0x710 [ 4181.947500][ T74] netlink_sendmsg+0x723/0xbe0 [ 4181.947500][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4181.947500][ T74] ___sys_sendmsg+0xee/0x170 [ 4181.947500][ T74] __sys_sendmsg+0xcd/0x170 [ 4181.947500][ T74] do_syscall_64+0xc6/0x1e0 [ 4181.947500][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4181.947500][ T74] [ 4181.949516][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4181.949516][ T74] netdev_get_by_index+0x5e/0x80 [ 4181.949516][ T74] fib6_nh_init+0x3d8/0x1580 [ 4181.949516][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4181.949516][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4181.949516][ T74] ipv6_add_addr+0x411/0x2000 [ 4181.949516][ T74] inet6_addr_add+0x30e/0xa40 [ 4181.949516][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4181.949516][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4181.949516][ T74] netlink_rcv_skb+0x130/0x360 [ 4181.949516][ T74] netlink_unicast+0x449/0x710 [ 4181.949516][ T74] netlink_sendmsg+0x723/0xbe0 [ 4181.949516][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4181.949516][ T74] ___sys_sendmsg+0xee/0x170 [ 4181.949516][ T74] __sys_sendmsg+0xcd/0x170 [ 4181.949516][ T74] do_syscall_64+0xc6/0x1e0 [ 4181.949516][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4181.949516][ T74] [ 4181.951533][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4181.951533][ T74] netdev_get_by_index+0x5e/0x80 [ 4181.951533][ T74] fib6_nh_init+0x3d8/0x1580 [ 4181.951533][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4181.951533][ T74] ip6_route_add+0x1c/0x140 [ 4181.951533][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4181.951533][ T74] addrconf_add_dev+0xe2/0x170 [ 4181.951533][ T74] inet6_addr_add+0x12f/0xa40 [ 4181.951533][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4181.951533][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4181.951533][ T74] netlink_rcv_skb+0x130/0x360 [ 4181.951533][ T74] netlink_unicast+0x449/0x710 [ 4181.951533][ T74] netlink_sendmsg+0x723/0xbe0 [ 4181.951533][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4181.951533][ T74] ___sys_sendmsg+0xee/0x170 [ 4181.951533][ T74] __sys_sendmsg+0xcd/0x170 [ 4181.951533][ T74] do_syscall_64+0xc6/0x1e0 [ 4181.951533][ T74] [ 4181.953513][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4181.953513][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4181.953513][ T74] ipv6_find_idev+0x102/0x170 [ 4181.953513][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4181.953513][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4181.953513][ T74] netlink_rcv_skb+0x130/0x360 [ 4181.953513][ T74] netlink_unicast+0x449/0x710 [ 4181.953513][ T74] netlink_sendmsg+0x723/0xbe0 [ 4181.953513][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4181.953513][ T74] ___sys_sendmsg+0xee/0x170 [ 4181.953513][ T74] __sys_sendmsg+0xcd/0x170 [ 4181.953513][ T74] do_syscall_64+0xc6/0x1e0 [ 4181.953513][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4181.953513][ T74] [ 4181.955205][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4181.955205][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4181.955205][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4181.955205][ T74] ipv6_find_idev+0x102/0x170 [ 4181.955205][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4181.955205][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4181.955205][ T74] netlink_rcv_skb+0x130/0x360 [ 4181.955205][ T74] netlink_unicast+0x449/0x710 [ 4181.955205][ T74] netlink_sendmsg+0x723/0xbe0 [ 4181.955205][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4181.955205][ T74] ___sys_sendmsg+0xee/0x170 [ 4181.955205][ T74] __sys_sendmsg+0xcd/0x170 [ 4181.955205][ T74] do_syscall_64+0xc6/0x1e0 [ 4181.955205][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4181.955205][ T74] [ 4181.957046][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4181.957285][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4181.957285][ T74] netdev_get_by_index+0x5e/0x80 [ 4181.957285][ T74] fib6_nh_init+0x3d8/0x1580 [ 4181.957285][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4181.957285][ T74] ip6_route_add+0x1c/0x140 [ 4181.957285][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4181.957285][ T74] inet6_addr_add+0x4f8/0xa40 [ 4181.957285][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4181.957285][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4181.957285][ T74] netlink_rcv_skb+0x130/0x360 [ 4181.957285][ T74] netlink_unicast+0x449/0x710 [ 4181.957285][ T74] netlink_sendmsg+0x723/0xbe0 [ 4181.957285][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4181.957285][ T74] ___sys_sendmsg+0xee/0x170 [ 4181.957285][ T74] __sys_sendmsg+0xcd/0x170 [ 4181.957285][ T74] do_syscall_64+0xc6/0x1e0 [ 4181.957285][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4181.957285][ T74] [ 4181.959442][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4181.959442][ T74] netdev_get_by_index+0x5e/0x80 [ 4181.959442][ T74] fib6_nh_init+0x3d8/0x1580 [ 4181.959442][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4181.959442][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4181.959442][ T74] ipv6_add_addr+0x411/0x2000 [ 4181.959442][ T74] inet6_addr_add+0x30e/0xa40 [ 4181.959442][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4181.959442][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4181.959442][ T74] netlink_rcv_skb+0x130/0x360 [ 4181.959442][ T74] netlink_unicast+0x449/0x710 [ 4181.959442][ T74] netlink_sendmsg+0x723/0xbe0 [ 4181.959442][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4181.959442][ T74] ___sys_sendmsg+0xee/0x170 [ 4181.959442][ T74] __sys_sendmsg+0xcd/0x170 [ 4181.959442][ T74] do_syscall_64+0xc6/0x1e0 [ 4181.959442][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4181.959442][ T74] [ 4181.961564][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4181.961564][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4181.961564][ T74] ipv6_find_idev+0x102/0x170 [ 4181.961564][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4181.961564][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4181.961564][ T74] netlink_rcv_skb+0x130/0x360 [ 4181.961564][ T74] netlink_unicast+0x449/0x710 [ 4181.961564][ T74] netlink_sendmsg+0x723/0xbe0 [ 4181.961564][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4181.961564][ T74] ___sys_sendmsg+0xee/0x170 [ 4181.961564][ T74] __sys_sendmsg+0xcd/0x170 [ 4181.961564][ T74] do_syscall_64+0xc6/0x1e0 [ 4181.961564][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4181.961564][ T74] [ 4181.963176][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4181.963176][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4181.963176][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4181.963176][ T74] ipv6_find_idev+0x102/0x170 [ 4181.963176][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4181.963176][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4181.963176][ T74] netlink_rcv_skb+0x130/0x360 [ 4181.963176][ T74] netlink_unicast+0x449/0x710 [ 4181.963176][ T74] netlink_sendmsg+0x723/0xbe0 [ 4181.963176][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4181.963176][ T74] ___sys_sendmsg+0xee/0x170 [ 4181.963176][ T74] __sys_sendmsg+0xcd/0x170 [ 4181.963176][ T74] do_syscall_64+0xc6/0x1e0 [ 4181.963176][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4181.963176][ T74] [ 4192.063978][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4192.064343][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4192.064343][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4192.064343][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4192.064343][ T74] fib6_nh_init+0xa22/0x1580 [ 4192.064343][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4192.064343][ T74] ip6_route_add+0x1c/0x140 [ 4192.064343][ T74] inet6_rtm_newroute+0x104/0x110 [ 4192.064343][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4192.064343][ T74] netlink_rcv_skb+0x130/0x360 [ 4192.064343][ T74] netlink_unicast+0x449/0x710 [ 4192.064343][ T74] netlink_sendmsg+0x723/0xbe0 [ 4192.064343][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4192.064343][ T74] ___sys_sendmsg+0xee/0x170 [ 4192.064343][ T74] __sys_sendmsg+0xcd/0x170 [ 4192.064343][ T74] do_syscall_64+0xc6/0x1e0 [ 4192.064343][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4192.064343][ T74] [ 4192.066275][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4192.066275][ T74] netdev_get_by_index+0x5e/0x80 [ 4192.066275][ T74] fib6_nh_init+0x3d8/0x1580 [ 4192.066275][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4192.066275][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4192.066275][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4192.066275][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4192.066275][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4192.066275][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4192.066275][ T74] addrconf_dad_begin+0x310/0x670 [ 4192.066275][ T74] addrconf_dad_work+0x10b/0xab0 [ 4192.066275][ T74] process_one_work+0x84d/0x18a0 [ 4192.066275][ T74] worker_thread+0x587/0xd30 [ 4192.066275][ T74] kthread+0x28a/0x350 [ 4192.066275][ T74] ret_from_fork+0x31/0x70 [ 4192.066275][ T74] ret_from_fork_asm+0x1a/0x30 [ 4192.066275][ T74] [ 4192.068230][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4192.068230][ T74] netdev_get_by_index+0x5e/0x80 [ 4192.068230][ T74] fib6_nh_init+0x3d8/0x1580 [ 4192.068230][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4192.068230][ T74] ip6_route_add+0x1c/0x140 [ 4192.068230][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4192.068230][ T74] inet6_addr_add+0x4f8/0xa40 [ 4192.068230][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4192.068230][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4192.068230][ T74] netlink_rcv_skb+0x130/0x360 [ 4192.068230][ T74] netlink_unicast+0x449/0x710 [ 4192.068230][ T74] netlink_sendmsg+0x723/0xbe0 [ 4192.068230][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4192.068230][ T74] ___sys_sendmsg+0xee/0x170 [ 4192.068230][ T74] __sys_sendmsg+0xcd/0x170 [ 4192.068230][ T74] do_syscall_64+0xc6/0x1e0 [ 4192.068230][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4192.068230][ T74] [ 4192.070309][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4192.070309][ T74] netdev_get_by_index+0x5e/0x80 [ 4192.070309][ T74] fib6_nh_init+0x3d8/0x1580 [ 4192.070309][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4192.070309][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4192.070309][ T74] ipv6_add_addr+0x411/0x2000 [ 4192.070309][ T74] inet6_addr_add+0x30e/0xa40 [ 4192.070309][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4192.070309][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4192.070309][ T74] netlink_rcv_skb+0x130/0x360 [ 4192.070309][ T74] netlink_unicast+0x449/0x710 [ 4192.070309][ T74] netlink_sendmsg+0x723/0xbe0 [ 4192.070309][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4192.070309][ T74] ___sys_sendmsg+0xee/0x170 [ 4192.070309][ T74] __sys_sendmsg+0xcd/0x170 [ 4192.070309][ T74] do_syscall_64+0xc6/0x1e0 [ 4192.070309][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4192.070309][ T74] [ 4192.072330][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4192.072330][ T74] netdev_get_by_index+0x5e/0x80 [ 4192.072330][ T74] fib6_nh_init+0x3d8/0x1580 [ 4192.072330][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4192.072330][ T74] ip6_route_add+0x1c/0x140 [ 4192.072330][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4192.072330][ T74] addrconf_add_dev+0xe2/0x170 [ 4192.072330][ T74] inet6_addr_add+0x12f/0xa40 [ 4192.072330][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4192.072330][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4192.072330][ T74] netlink_rcv_skb+0x130/0x360 [ 4192.072330][ T74] netlink_unicast+0x449/0x710 [ 4192.072330][ T74] netlink_sendmsg+0x723/0xbe0 [ 4192.072330][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4192.072330][ T74] ___sys_sendmsg+0xee/0x170 [ 4192.072330][ T74] __sys_sendmsg+0xcd/0x170 [ 4192.072330][ T74] do_syscall_64+0xc6/0x1e0 [ 4192.072330][ T74] [ 4192.074312][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4192.074312][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4192.074312][ T74] ipv6_find_idev+0x102/0x170 [ 4192.074312][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4192.074312][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4192.074312][ T74] netlink_rcv_skb+0x130/0x360 [ 4192.074312][ T74] netlink_unicast+0x449/0x710 [ 4192.074312][ T74] netlink_sendmsg+0x723/0xbe0 [ 4192.074312][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4192.074312][ T74] ___sys_sendmsg+0xee/0x170 [ 4192.074312][ T74] __sys_sendmsg+0xcd/0x170 [ 4192.074312][ T74] do_syscall_64+0xc6/0x1e0 [ 4192.074312][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4192.074312][ T74] [ 4192.075867][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4192.075867][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4192.075867][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4192.075867][ T74] ipv6_find_idev+0x102/0x170 [ 4192.075867][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4192.075867][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4192.075867][ T74] netlink_rcv_skb+0x130/0x360 [ 4192.075867][ T74] netlink_unicast+0x449/0x710 [ 4192.075867][ T74] netlink_sendmsg+0x723/0xbe0 [ 4192.075867][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4192.075867][ T74] ___sys_sendmsg+0xee/0x170 [ 4192.075867][ T74] __sys_sendmsg+0xcd/0x170 [ 4192.075867][ T74] do_syscall_64+0xc6/0x1e0 [ 4192.075867][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4192.075867][ T74] [ 4192.077573][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4192.077854][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4192.077854][ T74] dst_init+0x84/0x4a0 [ 4192.077854][ T74] dst_alloc+0x97/0x150 [ 4192.077854][ T74] ip6_dst_alloc+0x23/0x90 [ 4192.077854][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4192.077854][ T74] ip6_pol_route+0x56f/0x840 [ 4192.077854][ T74] fib6_rule_lookup+0x456/0x630 [ 4192.077854][ T74] ip6_route_input+0x59c/0xa50 [ 4192.077854][ T74] ipv6_rcv+0x397/0x810 [ 4192.077854][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4192.077854][ T74] process_backlog+0x101/0x620 [ 4192.077854][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4192.077854][ T74] net_rx_action+0x495/0xbe0 [ 4192.077854][ T74] __do_softirq+0x1b5/0x7f6 [ 4192.077854][ T74] [ 4192.079524][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4192.079524][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4192.079524][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4192.079524][ T74] fib6_nh_init+0xa22/0x1580 [ 4192.079524][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4192.079524][ T74] ip6_route_add+0x1c/0x140 [ 4192.079524][ T74] inet6_rtm_newroute+0x104/0x110 [ 4192.079524][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4192.079524][ T74] netlink_rcv_skb+0x130/0x360 [ 4192.079524][ T74] netlink_unicast+0x449/0x710 [ 4192.079524][ T74] netlink_sendmsg+0x723/0xbe0 [ 4192.079524][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4192.079524][ T74] ___sys_sendmsg+0xee/0x170 [ 4192.079524][ T74] __sys_sendmsg+0xcd/0x170 [ 4192.079524][ T74] do_syscall_64+0xc6/0x1e0 [ 4192.079524][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4192.079524][ T74] [ 4192.081416][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4192.081416][ T74] netdev_get_by_index+0x5e/0x80 [ 4192.081416][ T74] fib6_nh_init+0x3d8/0x1580 [ 4192.081416][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4192.081416][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4192.081416][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4192.081416][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4192.081416][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4192.081416][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4192.081416][ T74] addrconf_dad_begin+0x310/0x670 [ 4192.081416][ T74] addrconf_dad_work+0x10b/0xab0 [ 4192.081416][ T74] process_one_work+0x84d/0x18a0 [ 4192.081416][ T74] worker_thread+0x587/0xd30 [ 4192.081416][ T74] kthread+0x28a/0x350 [ 4192.081416][ T74] ret_from_fork+0x31/0x70 [ 4192.081416][ T74] ret_from_fork_asm+0x1a/0x30 [ 4192.081416][ T74] [ 4192.083848][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4192.083848][ T74] netdev_get_by_index+0x5e/0x80 [ 4192.083848][ T74] fib6_nh_init+0x3d8/0x1580 [ 4192.083848][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4192.083848][ T74] ip6_route_add+0x1c/0x140 [ 4192.083848][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4192.083848][ T74] inet6_addr_add+0x4f8/0xa40 [ 4192.083848][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4192.083848][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4192.083848][ T74] netlink_rcv_skb+0x130/0x360 [ 4192.083848][ T74] netlink_unicast+0x449/0x710 [ 4192.083848][ T74] netlink_sendmsg+0x723/0xbe0 [ 4192.083848][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4192.083848][ T74] ___sys_sendmsg+0xee/0x170 [ 4192.083848][ T74] __sys_sendmsg+0xcd/0x170 [ 4192.083848][ T74] do_syscall_64+0xc6/0x1e0 [ 4192.083848][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4192.083848][ T74] [ 4192.085857][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4192.085857][ T74] netdev_get_by_index+0x5e/0x80 [ 4192.085857][ T74] fib6_nh_init+0x3d8/0x1580 [ 4192.085857][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4192.085857][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4192.085857][ T74] ipv6_add_addr+0x411/0x2000 [ 4192.085857][ T74] inet6_addr_add+0x30e/0xa40 [ 4192.085857][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4192.085857][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4192.085857][ T74] netlink_rcv_skb+0x130/0x360 [ 4192.085857][ T74] netlink_unicast+0x449/0x710 [ 4192.085857][ T74] netlink_sendmsg+0x723/0xbe0 [ 4192.085857][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4192.085857][ T74] ___sys_sendmsg+0xee/0x170 [ 4192.085857][ T74] __sys_sendmsg+0xcd/0x170 [ 4192.085857][ T74] do_syscall_64+0xc6/0x1e0 [ 4192.085857][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4192.085857][ T74] [ 4192.088252][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4192.088252][ T74] netdev_get_by_index+0x5e/0x80 [ 4192.088252][ T74] fib6_nh_init+0x3d8/0x1580 [ 4192.088252][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4192.088252][ T74] ip6_route_add+0x1c/0x140 [ 4192.088252][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4192.088252][ T74] addrconf_add_dev+0xe2/0x170 [ 4192.088252][ T74] inet6_addr_add+0x12f/0xa40 [ 4192.088252][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4192.088252][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4192.088252][ T74] netlink_rcv_skb+0x130/0x360 [ 4192.088252][ T74] netlink_unicast+0x449/0x710 [ 4192.088252][ T74] netlink_sendmsg+0x723/0xbe0 [ 4192.088252][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4192.088252][ T74] ___sys_sendmsg+0xee/0x170 [ 4192.088252][ T74] __sys_sendmsg+0xcd/0x170 [ 4192.088252][ T74] do_syscall_64+0xc6/0x1e0 [ 4192.088252][ T74] [ 4192.090257][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4192.090257][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4192.090257][ T74] ipv6_find_idev+0x102/0x170 [ 4192.090257][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4192.090257][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4192.090257][ T74] netlink_rcv_skb+0x130/0x360 [ 4192.090257][ T74] netlink_unicast+0x449/0x710 [ 4192.090257][ T74] netlink_sendmsg+0x723/0xbe0 [ 4192.090257][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4192.090257][ T74] ___sys_sendmsg+0xee/0x170 [ 4192.090257][ T74] __sys_sendmsg+0xcd/0x170 [ 4192.090257][ T74] do_syscall_64+0xc6/0x1e0 [ 4192.090257][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4192.090257][ T74] [ 4192.091917][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4192.091917][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4192.091917][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4192.091917][ T74] ipv6_find_idev+0x102/0x170 [ 4192.091917][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4192.091917][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4192.091917][ T74] netlink_rcv_skb+0x130/0x360 [ 4192.091917][ T74] netlink_unicast+0x449/0x710 [ 4192.091917][ T74] netlink_sendmsg+0x723/0xbe0 [ 4192.091917][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4192.091917][ T74] ___sys_sendmsg+0xee/0x170 [ 4192.091917][ T74] __sys_sendmsg+0xcd/0x170 [ 4192.091917][ T74] do_syscall_64+0xc6/0x1e0 [ 4192.091917][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4192.091917][ T74] [ 4192.093667][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4192.093916][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4192.093916][ T74] netdev_get_by_index+0x5e/0x80 [ 4192.093916][ T74] fib6_nh_init+0x3d8/0x1580 [ 4192.093916][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4192.093916][ T74] ip6_route_add+0x1c/0x140 [ 4192.093916][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4192.093916][ T74] inet6_addr_add+0x4f8/0xa40 [ 4192.093916][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4192.093916][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4192.093916][ T74] netlink_rcv_skb+0x130/0x360 [ 4192.093916][ T74] netlink_unicast+0x449/0x710 [ 4192.093916][ T74] netlink_sendmsg+0x723/0xbe0 [ 4192.093916][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4192.093916][ T74] ___sys_sendmsg+0xee/0x170 [ 4192.093916][ T74] __sys_sendmsg+0xcd/0x170 [ 4192.093916][ T74] do_syscall_64+0xc6/0x1e0 [ 4192.093916][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4192.093916][ T74] [ 4192.096057][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4192.096057][ T74] netdev_get_by_index+0x5e/0x80 [ 4192.096057][ T74] fib6_nh_init+0x3d8/0x1580 [ 4192.096057][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4192.096057][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4192.096057][ T74] ipv6_add_addr+0x411/0x2000 [ 4192.096057][ T74] inet6_addr_add+0x30e/0xa40 [ 4192.096057][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4192.096057][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4192.096057][ T74] netlink_rcv_skb+0x130/0x360 [ 4192.096057][ T74] netlink_unicast+0x449/0x710 [ 4192.096057][ T74] netlink_sendmsg+0x723/0xbe0 [ 4192.096057][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4192.096057][ T74] ___sys_sendmsg+0xee/0x170 [ 4192.096057][ T74] __sys_sendmsg+0xcd/0x170 [ 4192.096057][ T74] do_syscall_64+0xc6/0x1e0 [ 4192.096057][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4192.096057][ T74] [ 4192.098186][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4192.098186][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4192.098186][ T74] ipv6_find_idev+0x102/0x170 [ 4192.098186][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4192.098186][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4192.098186][ T74] netlink_rcv_skb+0x130/0x360 [ 4192.098186][ T74] netlink_unicast+0x449/0x710 [ 4192.098186][ T74] netlink_sendmsg+0x723/0xbe0 [ 4192.098186][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4192.098186][ T74] ___sys_sendmsg+0xee/0x170 [ 4192.098186][ T74] __sys_sendmsg+0xcd/0x170 [ 4192.098186][ T74] do_syscall_64+0xc6/0x1e0 [ 4192.098186][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4192.098186][ T74] [ 4192.099874][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4192.099874][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4192.099874][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4192.099874][ T74] ipv6_find_idev+0x102/0x170 [ 4192.099874][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4192.099874][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4192.099874][ T74] netlink_rcv_skb+0x130/0x360 [ 4192.099874][ T74] netlink_unicast+0x449/0x710 [ 4192.099874][ T74] netlink_sendmsg+0x723/0xbe0 [ 4192.099874][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4192.099874][ T74] ___sys_sendmsg+0xee/0x170 [ 4192.099874][ T74] __sys_sendmsg+0xcd/0x170 [ 4192.099874][ T74] do_syscall_64+0xc6/0x1e0 [ 4192.099874][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4192.099874][ T74] [ 4202.343970][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4202.344411][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4202.344411][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4202.344411][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4202.344411][ T74] fib6_nh_init+0xa22/0x1580 [ 4202.344411][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4202.344411][ T74] ip6_route_add+0x1c/0x140 [ 4202.344411][ T74] inet6_rtm_newroute+0x104/0x110 [ 4202.344411][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4202.344411][ T74] netlink_rcv_skb+0x130/0x360 [ 4202.344411][ T74] netlink_unicast+0x449/0x710 [ 4202.344411][ T74] netlink_sendmsg+0x723/0xbe0 [ 4202.344411][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4202.344411][ T74] ___sys_sendmsg+0xee/0x170 [ 4202.344411][ T74] __sys_sendmsg+0xcd/0x170 [ 4202.344411][ T74] do_syscall_64+0xc6/0x1e0 [ 4202.344411][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4202.344411][ T74] [ 4202.346335][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4202.346335][ T74] netdev_get_by_index+0x5e/0x80 [ 4202.346335][ T74] fib6_nh_init+0x3d8/0x1580 [ 4202.346335][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4202.346335][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4202.346335][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4202.346335][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4202.346335][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4202.346335][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4202.346335][ T74] addrconf_dad_begin+0x310/0x670 [ 4202.346335][ T74] addrconf_dad_work+0x10b/0xab0 [ 4202.346335][ T74] process_one_work+0x84d/0x18a0 [ 4202.346335][ T74] worker_thread+0x587/0xd30 [ 4202.346335][ T74] kthread+0x28a/0x350 [ 4202.346335][ T74] ret_from_fork+0x31/0x70 [ 4202.346335][ T74] ret_from_fork_asm+0x1a/0x30 [ 4202.346335][ T74] [ 4202.348254][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4202.348254][ T74] netdev_get_by_index+0x5e/0x80 [ 4202.348254][ T74] fib6_nh_init+0x3d8/0x1580 [ 4202.348254][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4202.348254][ T74] ip6_route_add+0x1c/0x140 [ 4202.348254][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4202.348254][ T74] inet6_addr_add+0x4f8/0xa40 [ 4202.348254][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4202.348254][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4202.348254][ T74] netlink_rcv_skb+0x130/0x360 [ 4202.348254][ T74] netlink_unicast+0x449/0x710 [ 4202.348254][ T74] netlink_sendmsg+0x723/0xbe0 [ 4202.348254][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4202.348254][ T74] ___sys_sendmsg+0xee/0x170 [ 4202.348254][ T74] __sys_sendmsg+0xcd/0x170 [ 4202.348254][ T74] do_syscall_64+0xc6/0x1e0 [ 4202.348254][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4202.348254][ T74] [ 4202.350266][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4202.350266][ T74] netdev_get_by_index+0x5e/0x80 [ 4202.350266][ T74] fib6_nh_init+0x3d8/0x1580 [ 4202.350266][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4202.350266][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4202.350266][ T74] ipv6_add_addr+0x411/0x2000 [ 4202.350266][ T74] inet6_addr_add+0x30e/0xa40 [ 4202.350266][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4202.350266][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4202.350266][ T74] netlink_rcv_skb+0x130/0x360 [ 4202.350266][ T74] netlink_unicast+0x449/0x710 [ 4202.350266][ T74] netlink_sendmsg+0x723/0xbe0 [ 4202.350266][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4202.350266][ T74] ___sys_sendmsg+0xee/0x170 [ 4202.350266][ T74] __sys_sendmsg+0xcd/0x170 [ 4202.350266][ T74] do_syscall_64+0xc6/0x1e0 [ 4202.350266][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4202.350266][ T74] [ 4202.352258][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4202.352258][ T74] netdev_get_by_index+0x5e/0x80 [ 4202.352258][ T74] fib6_nh_init+0x3d8/0x1580 [ 4202.352258][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4202.352258][ T74] ip6_route_add+0x1c/0x140 [ 4202.352258][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4202.352258][ T74] addrconf_add_dev+0xe2/0x170 [ 4202.352258][ T74] inet6_addr_add+0x12f/0xa40 [ 4202.352258][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4202.352258][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4202.352258][ T74] netlink_rcv_skb+0x130/0x360 [ 4202.352258][ T74] netlink_unicast+0x449/0x710 [ 4202.352258][ T74] netlink_sendmsg+0x723/0xbe0 [ 4202.352258][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4202.352258][ T74] ___sys_sendmsg+0xee/0x170 [ 4202.352258][ T74] __sys_sendmsg+0xcd/0x170 [ 4202.352258][ T74] do_syscall_64+0xc6/0x1e0 [ 4202.352258][ T74] [ 4202.354230][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4202.354230][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4202.354230][ T74] ipv6_find_idev+0x102/0x170 [ 4202.354230][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4202.354230][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4202.354230][ T74] netlink_rcv_skb+0x130/0x360 [ 4202.354230][ T74] netlink_unicast+0x449/0x710 [ 4202.354230][ T74] netlink_sendmsg+0x723/0xbe0 [ 4202.354230][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4202.354230][ T74] ___sys_sendmsg+0xee/0x170 [ 4202.354230][ T74] __sys_sendmsg+0xcd/0x170 [ 4202.354230][ T74] do_syscall_64+0xc6/0x1e0 [ 4202.354230][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4202.354230][ T74] [ 4202.355767][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4202.355767][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4202.355767][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4202.355767][ T74] ipv6_find_idev+0x102/0x170 [ 4202.355767][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4202.355767][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4202.355767][ T74] netlink_rcv_skb+0x130/0x360 [ 4202.355767][ T74] netlink_unicast+0x449/0x710 [ 4202.355767][ T74] netlink_sendmsg+0x723/0xbe0 [ 4202.355767][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4202.355767][ T74] ___sys_sendmsg+0xee/0x170 [ 4202.355767][ T74] __sys_sendmsg+0xcd/0x170 [ 4202.355767][ T74] do_syscall_64+0xc6/0x1e0 [ 4202.355767][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4202.355767][ T74] [ 4202.357469][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4202.357745][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4202.357745][ T74] dst_init+0x84/0x4a0 [ 4202.357745][ T74] dst_alloc+0x97/0x150 [ 4202.357745][ T74] ip6_dst_alloc+0x23/0x90 [ 4202.357745][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4202.357745][ T74] ip6_pol_route+0x56f/0x840 [ 4202.357745][ T74] fib6_rule_lookup+0x456/0x630 [ 4202.357745][ T74] ip6_route_input+0x59c/0xa50 [ 4202.357745][ T74] ipv6_rcv+0x397/0x810 [ 4202.357745][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4202.357745][ T74] process_backlog+0x101/0x620 [ 4202.357745][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4202.357745][ T74] net_rx_action+0x495/0xbe0 [ 4202.357745][ T74] __do_softirq+0x1b5/0x7f6 [ 4202.357745][ T74] [ 4202.359392][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4202.359392][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4202.359392][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4202.359392][ T74] fib6_nh_init+0xa22/0x1580 [ 4202.359392][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4202.359392][ T74] ip6_route_add+0x1c/0x140 [ 4202.359392][ T74] inet6_rtm_newroute+0x104/0x110 [ 4202.359392][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4202.359392][ T74] netlink_rcv_skb+0x130/0x360 [ 4202.359392][ T74] netlink_unicast+0x449/0x710 [ 4202.359392][ T74] netlink_sendmsg+0x723/0xbe0 [ 4202.359392][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4202.359392][ T74] ___sys_sendmsg+0xee/0x170 [ 4202.359392][ T74] __sys_sendmsg+0xcd/0x170 [ 4202.359392][ T74] do_syscall_64+0xc6/0x1e0 [ 4202.359392][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4202.359392][ T74] [ 4202.361271][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4202.361271][ T74] netdev_get_by_index+0x5e/0x80 [ 4202.361271][ T74] fib6_nh_init+0x3d8/0x1580 [ 4202.361271][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4202.361271][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4202.361271][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4202.361271][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4202.361271][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4202.361271][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4202.361271][ T74] addrconf_dad_begin+0x310/0x670 [ 4202.361271][ T74] addrconf_dad_work+0x10b/0xab0 [ 4202.361271][ T74] process_one_work+0x84d/0x18a0 [ 4202.361271][ T74] worker_thread+0x587/0xd30 [ 4202.361271][ T74] kthread+0x28a/0x350 [ 4202.361271][ T74] ret_from_fork+0x31/0x70 [ 4202.361271][ T74] ret_from_fork_asm+0x1a/0x30 [ 4202.361271][ T74] [ 4202.363190][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4202.363190][ T74] netdev_get_by_index+0x5e/0x80 [ 4202.363190][ T74] fib6_nh_init+0x3d8/0x1580 [ 4202.363190][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4202.363190][ T74] ip6_route_add+0x1c/0x140 [ 4202.363190][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4202.363190][ T74] inet6_addr_add+0x4f8/0xa40 [ 4202.363190][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4202.363190][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4202.363190][ T74] netlink_rcv_skb+0x130/0x360 [ 4202.363190][ T74] netlink_unicast+0x449/0x710 [ 4202.363190][ T74] netlink_sendmsg+0x723/0xbe0 [ 4202.363190][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4202.363190][ T74] ___sys_sendmsg+0xee/0x170 [ 4202.363190][ T74] __sys_sendmsg+0xcd/0x170 [ 4202.363190][ T74] do_syscall_64+0xc6/0x1e0 [ 4202.363190][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4202.363190][ T74] [ 4202.365189][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4202.365189][ T74] netdev_get_by_index+0x5e/0x80 [ 4202.365189][ T74] fib6_nh_init+0x3d8/0x1580 [ 4202.365189][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4202.365189][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4202.365189][ T74] ipv6_add_addr+0x411/0x2000 [ 4202.365189][ T74] inet6_addr_add+0x30e/0xa40 [ 4202.365189][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4202.365189][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4202.365189][ T74] netlink_rcv_skb+0x130/0x360 [ 4202.365189][ T74] netlink_unicast+0x449/0x710 [ 4202.365189][ T74] netlink_sendmsg+0x723/0xbe0 [ 4202.365189][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4202.365189][ T74] ___sys_sendmsg+0xee/0x170 [ 4202.365189][ T74] __sys_sendmsg+0xcd/0x170 [ 4202.365189][ T74] do_syscall_64+0xc6/0x1e0 [ 4202.365189][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4202.365189][ T74] [ 4202.367185][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4202.367185][ T74] netdev_get_by_index+0x5e/0x80 [ 4202.367185][ T74] fib6_nh_init+0x3d8/0x1580 [ 4202.367185][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4202.367185][ T74] ip6_route_add+0x1c/0x140 [ 4202.367185][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4202.367185][ T74] addrconf_add_dev+0xe2/0x170 [ 4202.367185][ T74] inet6_addr_add+0x12f/0xa40 [ 4202.367185][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4202.367185][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4202.367185][ T74] netlink_rcv_skb+0x130/0x360 [ 4202.367185][ T74] netlink_unicast+0x449/0x710 [ 4202.367185][ T74] netlink_sendmsg+0x723/0xbe0 [ 4202.367185][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4202.367185][ T74] ___sys_sendmsg+0xee/0x170 [ 4202.367185][ T74] __sys_sendmsg+0xcd/0x170 [ 4202.367185][ T74] do_syscall_64+0xc6/0x1e0 [ 4202.367185][ T74] [ 4202.369196][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4202.369196][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4202.369196][ T74] ipv6_find_idev+0x102/0x170 [ 4202.369196][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4202.369196][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4202.369196][ T74] netlink_rcv_skb+0x130/0x360 [ 4202.369196][ T74] netlink_unicast+0x449/0x710 [ 4202.369196][ T74] netlink_sendmsg+0x723/0xbe0 [ 4202.369196][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4202.369196][ T74] ___sys_sendmsg+0xee/0x170 [ 4202.369196][ T74] __sys_sendmsg+0xcd/0x170 [ 4202.369196][ T74] do_syscall_64+0xc6/0x1e0 [ 4202.369196][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4202.369196][ T74] [ 4202.370941][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4202.370941][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4202.370941][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4202.370941][ T74] ipv6_find_idev+0x102/0x170 [ 4202.370941][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4202.370941][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4202.370941][ T74] netlink_rcv_skb+0x130/0x360 [ 4202.370941][ T74] netlink_unicast+0x449/0x710 [ 4202.370941][ T74] netlink_sendmsg+0x723/0xbe0 [ 4202.370941][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4202.370941][ T74] ___sys_sendmsg+0xee/0x170 [ 4202.370941][ T74] __sys_sendmsg+0xcd/0x170 [ 4202.370941][ T74] do_syscall_64+0xc6/0x1e0 [ 4202.370941][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4202.370941][ T74] [ 4202.372829][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4202.373081][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4202.373081][ T74] netdev_get_by_index+0x5e/0x80 [ 4202.373081][ T74] fib6_nh_init+0x3d8/0x1580 [ 4202.373081][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4202.373081][ T74] ip6_route_add+0x1c/0x140 [ 4202.373081][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4202.373081][ T74] inet6_addr_add+0x4f8/0xa40 [ 4202.373081][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4202.373081][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4202.373081][ T74] netlink_rcv_skb+0x130/0x360 [ 4202.373081][ T74] netlink_unicast+0x449/0x710 [ 4202.373081][ T74] netlink_sendmsg+0x723/0xbe0 [ 4202.373081][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4202.373081][ T74] ___sys_sendmsg+0xee/0x170 [ 4202.373081][ T74] __sys_sendmsg+0xcd/0x170 [ 4202.373081][ T74] do_syscall_64+0xc6/0x1e0 [ 4202.373081][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4202.373081][ T74] [ 4202.375345][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4202.375345][ T74] netdev_get_by_index+0x5e/0x80 [ 4202.375345][ T74] fib6_nh_init+0x3d8/0x1580 [ 4202.375345][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4202.375345][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4202.375345][ T74] ipv6_add_addr+0x411/0x2000 [ 4202.375345][ T74] inet6_addr_add+0x30e/0xa40 [ 4202.375345][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4202.375345][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4202.375345][ T74] netlink_rcv_skb+0x130/0x360 [ 4202.375345][ T74] netlink_unicast+0x449/0x710 [ 4202.375345][ T74] netlink_sendmsg+0x723/0xbe0 [ 4202.375345][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4202.375345][ T74] ___sys_sendmsg+0xee/0x170 [ 4202.375345][ T74] __sys_sendmsg+0xcd/0x170 [ 4202.375345][ T74] do_syscall_64+0xc6/0x1e0 [ 4202.375345][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4202.375345][ T74] [ 4202.377579][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4202.377579][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4202.377579][ T74] ipv6_find_idev+0x102/0x170 [ 4202.377579][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4202.377579][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4202.377579][ T74] netlink_rcv_skb+0x130/0x360 [ 4202.377579][ T74] netlink_unicast+0x449/0x710 [ 4202.377579][ T74] netlink_sendmsg+0x723/0xbe0 [ 4202.377579][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4202.377579][ T74] ___sys_sendmsg+0xee/0x170 [ 4202.377579][ T74] __sys_sendmsg+0xcd/0x170 [ 4202.377579][ T74] do_syscall_64+0xc6/0x1e0 [ 4202.377579][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4202.377579][ T74] [ 4202.379329][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4202.379329][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4202.379329][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4202.379329][ T74] ipv6_find_idev+0x102/0x170 [ 4202.379329][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4202.379329][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4202.379329][ T74] netlink_rcv_skb+0x130/0x360 [ 4202.379329][ T74] netlink_unicast+0x449/0x710 [ 4202.379329][ T74] netlink_sendmsg+0x723/0xbe0 [ 4202.379329][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4202.379329][ T74] ___sys_sendmsg+0xee/0x170 [ 4202.379329][ T74] __sys_sendmsg+0xcd/0x170 [ 4202.379329][ T74] do_syscall_64+0xc6/0x1e0 [ 4202.379329][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4202.379329][ T74] [ 4212.431979][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4212.432403][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4212.432403][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4212.432403][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4212.432403][ T74] fib6_nh_init+0xa22/0x1580 [ 4212.432403][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4212.432403][ T74] ip6_route_add+0x1c/0x140 [ 4212.432403][ T74] inet6_rtm_newroute+0x104/0x110 [ 4212.432403][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4212.432403][ T74] netlink_rcv_skb+0x130/0x360 [ 4212.432403][ T74] netlink_unicast+0x449/0x710 [ 4212.432403][ T74] netlink_sendmsg+0x723/0xbe0 [ 4212.432403][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4212.432403][ T74] ___sys_sendmsg+0xee/0x170 [ 4212.432403][ T74] __sys_sendmsg+0xcd/0x170 [ 4212.432403][ T74] do_syscall_64+0xc6/0x1e0 [ 4212.432403][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4212.432403][ T74] [ 4212.434297][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4212.434297][ T74] netdev_get_by_index+0x5e/0x80 [ 4212.434297][ T74] fib6_nh_init+0x3d8/0x1580 [ 4212.434297][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4212.434297][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4212.434297][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4212.434297][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4212.434297][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4212.434297][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4212.434297][ T74] addrconf_dad_begin+0x310/0x670 [ 4212.434297][ T74] addrconf_dad_work+0x10b/0xab0 [ 4212.434297][ T74] process_one_work+0x84d/0x18a0 [ 4212.434297][ T74] worker_thread+0x587/0xd30 [ 4212.434297][ T74] kthread+0x28a/0x350 [ 4212.434297][ T74] ret_from_fork+0x31/0x70 [ 4212.434297][ T74] ret_from_fork_asm+0x1a/0x30 [ 4212.434297][ T74] [ 4212.436298][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4212.436298][ T74] netdev_get_by_index+0x5e/0x80 [ 4212.436298][ T74] fib6_nh_init+0x3d8/0x1580 [ 4212.436298][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4212.436298][ T74] ip6_route_add+0x1c/0x140 [ 4212.436298][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4212.436298][ T74] inet6_addr_add+0x4f8/0xa40 [ 4212.436298][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4212.436298][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4212.436298][ T74] netlink_rcv_skb+0x130/0x360 [ 4212.436298][ T74] netlink_unicast+0x449/0x710 [ 4212.436298][ T74] netlink_sendmsg+0x723/0xbe0 [ 4212.436298][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4212.436298][ T74] ___sys_sendmsg+0xee/0x170 [ 4212.436298][ T74] __sys_sendmsg+0xcd/0x170 [ 4212.436298][ T74] do_syscall_64+0xc6/0x1e0 [ 4212.436298][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4212.436298][ T74] [ 4212.438292][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4212.438292][ T74] netdev_get_by_index+0x5e/0x80 [ 4212.438292][ T74] fib6_nh_init+0x3d8/0x1580 [ 4212.438292][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4212.438292][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4212.438292][ T74] ipv6_add_addr+0x411/0x2000 [ 4212.438292][ T74] inet6_addr_add+0x30e/0xa40 [ 4212.438292][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4212.438292][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4212.438292][ T74] netlink_rcv_skb+0x130/0x360 [ 4212.438292][ T74] netlink_unicast+0x449/0x710 [ 4212.438292][ T74] netlink_sendmsg+0x723/0xbe0 [ 4212.438292][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4212.438292][ T74] ___sys_sendmsg+0xee/0x170 [ 4212.438292][ T74] __sys_sendmsg+0xcd/0x170 [ 4212.438292][ T74] do_syscall_64+0xc6/0x1e0 [ 4212.438292][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4212.438292][ T74] [ 4212.440308][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4212.440308][ T74] netdev_get_by_index+0x5e/0x80 [ 4212.440308][ T74] fib6_nh_init+0x3d8/0x1580 [ 4212.440308][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4212.440308][ T74] ip6_route_add+0x1c/0x140 [ 4212.440308][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4212.440308][ T74] addrconf_add_dev+0xe2/0x170 [ 4212.440308][ T74] inet6_addr_add+0x12f/0xa40 [ 4212.440308][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4212.440308][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4212.440308][ T74] netlink_rcv_skb+0x130/0x360 [ 4212.440308][ T74] netlink_unicast+0x449/0x710 [ 4212.440308][ T74] netlink_sendmsg+0x723/0xbe0 [ 4212.440308][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4212.440308][ T74] ___sys_sendmsg+0xee/0x170 [ 4212.440308][ T74] __sys_sendmsg+0xcd/0x170 [ 4212.440308][ T74] do_syscall_64+0xc6/0x1e0 [ 4212.440308][ T74] [ 4212.442261][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4212.442261][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4212.442261][ T74] ipv6_find_idev+0x102/0x170 [ 4212.442261][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4212.442261][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4212.442261][ T74] netlink_rcv_skb+0x130/0x360 [ 4212.442261][ T74] netlink_unicast+0x449/0x710 [ 4212.442261][ T74] netlink_sendmsg+0x723/0xbe0 [ 4212.442261][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4212.442261][ T74] ___sys_sendmsg+0xee/0x170 [ 4212.442261][ T74] __sys_sendmsg+0xcd/0x170 [ 4212.442261][ T74] do_syscall_64+0xc6/0x1e0 [ 4212.442261][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4212.442261][ T74] [ 4212.443827][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4212.443827][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4212.443827][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4212.443827][ T74] ipv6_find_idev+0x102/0x170 [ 4212.443827][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4212.443827][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4212.443827][ T74] netlink_rcv_skb+0x130/0x360 [ 4212.443827][ T74] netlink_unicast+0x449/0x710 [ 4212.443827][ T74] netlink_sendmsg+0x723/0xbe0 [ 4212.443827][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4212.443827][ T74] ___sys_sendmsg+0xee/0x170 [ 4212.443827][ T74] __sys_sendmsg+0xcd/0x170 [ 4212.443827][ T74] do_syscall_64+0xc6/0x1e0 [ 4212.443827][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4212.443827][ T74] [ 4212.445536][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4212.445810][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4212.445810][ T74] dst_init+0x84/0x4a0 [ 4212.445810][ T74] dst_alloc+0x97/0x150 [ 4212.445810][ T74] ip6_dst_alloc+0x23/0x90 [ 4212.445810][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4212.445810][ T74] ip6_pol_route+0x56f/0x840 [ 4212.445810][ T74] fib6_rule_lookup+0x456/0x630 [ 4212.445810][ T74] ip6_route_input+0x59c/0xa50 [ 4212.445810][ T74] ipv6_rcv+0x397/0x810 [ 4212.445810][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4212.445810][ T74] process_backlog+0x101/0x620 [ 4212.445810][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4212.445810][ T74] net_rx_action+0x495/0xbe0 [ 4212.445810][ T74] __do_softirq+0x1b5/0x7f6 [ 4212.445810][ T74] [ 4212.447450][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4212.447450][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4212.447450][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4212.447450][ T74] fib6_nh_init+0xa22/0x1580 [ 4212.447450][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4212.447450][ T74] ip6_route_add+0x1c/0x140 [ 4212.447450][ T74] inet6_rtm_newroute+0x104/0x110 [ 4212.447450][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4212.447450][ T74] netlink_rcv_skb+0x130/0x360 [ 4212.447450][ T74] netlink_unicast+0x449/0x710 [ 4212.447450][ T74] netlink_sendmsg+0x723/0xbe0 [ 4212.447450][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4212.447450][ T74] ___sys_sendmsg+0xee/0x170 [ 4212.447450][ T74] __sys_sendmsg+0xcd/0x170 [ 4212.447450][ T74] do_syscall_64+0xc6/0x1e0 [ 4212.447450][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4212.447450][ T74] [ 4212.449320][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4212.449320][ T74] netdev_get_by_index+0x5e/0x80 [ 4212.449320][ T74] fib6_nh_init+0x3d8/0x1580 [ 4212.449320][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4212.449320][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4212.449320][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4212.449320][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4212.449320][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4212.449320][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4212.449320][ T74] addrconf_dad_begin+0x310/0x670 [ 4212.449320][ T74] addrconf_dad_work+0x10b/0xab0 [ 4212.449320][ T74] process_one_work+0x84d/0x18a0 [ 4212.449320][ T74] worker_thread+0x587/0xd30 [ 4212.449320][ T74] kthread+0x28a/0x350 [ 4212.449320][ T74] ret_from_fork+0x31/0x70 [ 4212.449320][ T74] ret_from_fork_asm+0x1a/0x30 [ 4212.449320][ T74] [ 4212.451223][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4212.451223][ T74] netdev_get_by_index+0x5e/0x80 [ 4212.451223][ T74] fib6_nh_init+0x3d8/0x1580 [ 4212.451223][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4212.451223][ T74] ip6_route_add+0x1c/0x140 [ 4212.451223][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4212.451223][ T74] inet6_addr_add+0x4f8/0xa40 [ 4212.451223][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4212.451223][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4212.451223][ T74] netlink_rcv_skb+0x130/0x360 [ 4212.451223][ T74] netlink_unicast+0x449/0x710 [ 4212.451223][ T74] netlink_sendmsg+0x723/0xbe0 [ 4212.451223][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4212.451223][ T74] ___sys_sendmsg+0xee/0x170 [ 4212.451223][ T74] __sys_sendmsg+0xcd/0x170 [ 4212.451223][ T74] do_syscall_64+0xc6/0x1e0 [ 4212.451223][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4212.451223][ T74] [ 4212.453225][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4212.453225][ T74] netdev_get_by_index+0x5e/0x80 [ 4212.453225][ T74] fib6_nh_init+0x3d8/0x1580 [ 4212.453225][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4212.453225][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4212.453225][ T74] ipv6_add_addr+0x411/0x2000 [ 4212.453225][ T74] inet6_addr_add+0x30e/0xa40 [ 4212.453225][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4212.453225][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4212.453225][ T74] netlink_rcv_skb+0x130/0x360 [ 4212.453225][ T74] netlink_unicast+0x449/0x710 [ 4212.453225][ T74] netlink_sendmsg+0x723/0xbe0 [ 4212.453225][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4212.453225][ T74] ___sys_sendmsg+0xee/0x170 [ 4212.453225][ T74] __sys_sendmsg+0xcd/0x170 [ 4212.453225][ T74] do_syscall_64+0xc6/0x1e0 [ 4212.453225][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4212.453225][ T74] [ 4212.455222][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4212.455222][ T74] netdev_get_by_index+0x5e/0x80 [ 4212.455222][ T74] fib6_nh_init+0x3d8/0x1580 [ 4212.455222][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4212.455222][ T74] ip6_route_add+0x1c/0x140 [ 4212.455222][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4212.455222][ T74] addrconf_add_dev+0xe2/0x170 [ 4212.455222][ T74] inet6_addr_add+0x12f/0xa40 [ 4212.455222][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4212.455222][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4212.455222][ T74] netlink_rcv_skb+0x130/0x360 [ 4212.455222][ T74] netlink_unicast+0x449/0x710 [ 4212.455222][ T74] netlink_sendmsg+0x723/0xbe0 [ 4212.455222][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4212.455222][ T74] ___sys_sendmsg+0xee/0x170 [ 4212.455222][ T74] __sys_sendmsg+0xcd/0x170 [ 4212.455222][ T74] do_syscall_64+0xc6/0x1e0 [ 4212.455222][ T74] [ 4212.457187][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4212.457187][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4212.457187][ T74] ipv6_find_idev+0x102/0x170 [ 4212.457187][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4212.457187][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4212.457187][ T74] netlink_rcv_skb+0x130/0x360 [ 4212.457187][ T74] netlink_unicast+0x449/0x710 [ 4212.457187][ T74] netlink_sendmsg+0x723/0xbe0 [ 4212.457187][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4212.457187][ T74] ___sys_sendmsg+0xee/0x170 [ 4212.457187][ T74] __sys_sendmsg+0xcd/0x170 [ 4212.457187][ T74] do_syscall_64+0xc6/0x1e0 [ 4212.457187][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4212.457187][ T74] [ 4212.458801][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4212.458801][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4212.458801][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4212.458801][ T74] ipv6_find_idev+0x102/0x170 [ 4212.458801][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4212.458801][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4212.458801][ T74] netlink_rcv_skb+0x130/0x360 [ 4212.458801][ T74] netlink_unicast+0x449/0x710 [ 4212.458801][ T74] netlink_sendmsg+0x723/0xbe0 [ 4212.458801][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4212.458801][ T74] ___sys_sendmsg+0xee/0x170 [ 4212.458801][ T74] __sys_sendmsg+0xcd/0x170 [ 4212.458801][ T74] do_syscall_64+0xc6/0x1e0 [ 4212.458801][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4212.458801][ T74] [ 4212.460774][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4212.461025][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4212.461025][ T74] netdev_get_by_index+0x5e/0x80 [ 4212.461025][ T74] fib6_nh_init+0x3d8/0x1580 [ 4212.461025][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4212.461025][ T74] ip6_route_add+0x1c/0x140 [ 4212.461025][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4212.461025][ T74] inet6_addr_add+0x4f8/0xa40 [ 4212.461025][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4212.461025][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4212.461025][ T74] netlink_rcv_skb+0x130/0x360 [ 4212.461025][ T74] netlink_unicast+0x449/0x710 [ 4212.461025][ T74] netlink_sendmsg+0x723/0xbe0 [ 4212.461025][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4212.461025][ T74] ___sys_sendmsg+0xee/0x170 [ 4212.461025][ T74] __sys_sendmsg+0xcd/0x170 [ 4212.461025][ T74] do_syscall_64+0xc6/0x1e0 [ 4212.461025][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4212.461025][ T74] [ 4212.463279][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4212.463279][ T74] netdev_get_by_index+0x5e/0x80 [ 4212.463279][ T74] fib6_nh_init+0x3d8/0x1580 [ 4212.463279][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4212.463279][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4212.463279][ T74] ipv6_add_addr+0x411/0x2000 [ 4212.463279][ T74] inet6_addr_add+0x30e/0xa40 [ 4212.463279][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4212.463279][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4212.463279][ T74] netlink_rcv_skb+0x130/0x360 [ 4212.463279][ T74] netlink_unicast+0x449/0x710 [ 4212.463279][ T74] netlink_sendmsg+0x723/0xbe0 [ 4212.463279][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4212.463279][ T74] ___sys_sendmsg+0xee/0x170 [ 4212.463279][ T74] __sys_sendmsg+0xcd/0x170 [ 4212.463279][ T74] do_syscall_64+0xc6/0x1e0 [ 4212.463279][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4212.463279][ T74] [ 4212.465527][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4212.465527][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4212.465527][ T74] ipv6_find_idev+0x102/0x170 [ 4212.465527][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4212.465527][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4212.465527][ T74] netlink_rcv_skb+0x130/0x360 [ 4212.465527][ T74] netlink_unicast+0x449/0x710 [ 4212.465527][ T74] netlink_sendmsg+0x723/0xbe0 [ 4212.465527][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4212.465527][ T74] ___sys_sendmsg+0xee/0x170 [ 4212.465527][ T74] __sys_sendmsg+0xcd/0x170 [ 4212.465527][ T74] do_syscall_64+0xc6/0x1e0 [ 4212.465527][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4212.465527][ T74] [ 4212.467280][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4212.467280][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4212.467280][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4212.467280][ T74] ipv6_find_idev+0x102/0x170 [ 4212.467280][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4212.467280][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4212.467280][ T74] netlink_rcv_skb+0x130/0x360 [ 4212.467280][ T74] netlink_unicast+0x449/0x710 [ 4212.467280][ T74] netlink_sendmsg+0x723/0xbe0 [ 4212.467280][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4212.467280][ T74] ___sys_sendmsg+0xee/0x170 [ 4212.467280][ T74] __sys_sendmsg+0xcd/0x170 [ 4212.467280][ T74] do_syscall_64+0xc6/0x1e0 [ 4212.467280][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4212.467280][ T74] [ 4222.719987][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4222.720429][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4222.720429][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4222.720429][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4222.720429][ T74] fib6_nh_init+0xa22/0x1580 [ 4222.720429][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4222.720429][ T74] ip6_route_add+0x1c/0x140 [ 4222.720429][ T74] inet6_rtm_newroute+0x104/0x110 [ 4222.720429][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4222.720429][ T74] netlink_rcv_skb+0x130/0x360 [ 4222.720429][ T74] netlink_unicast+0x449/0x710 [ 4222.720429][ T74] netlink_sendmsg+0x723/0xbe0 [ 4222.720429][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4222.720429][ T74] ___sys_sendmsg+0xee/0x170 [ 4222.720429][ T74] __sys_sendmsg+0xcd/0x170 [ 4222.720429][ T74] do_syscall_64+0xc6/0x1e0 [ 4222.720429][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4222.720429][ T74] [ 4222.722391][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4222.722391][ T74] netdev_get_by_index+0x5e/0x80 [ 4222.722391][ T74] fib6_nh_init+0x3d8/0x1580 [ 4222.722391][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4222.722391][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4222.722391][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4222.722391][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4222.722391][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4222.722391][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4222.722391][ T74] addrconf_dad_begin+0x310/0x670 [ 4222.722391][ T74] addrconf_dad_work+0x10b/0xab0 [ 4222.722391][ T74] process_one_work+0x84d/0x18a0 [ 4222.722391][ T74] worker_thread+0x587/0xd30 [ 4222.722391][ T74] kthread+0x28a/0x350 [ 4222.722391][ T74] ret_from_fork+0x31/0x70 [ 4222.722391][ T74] ret_from_fork_asm+0x1a/0x30 [ 4222.722391][ T74] [ 4222.724347][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4222.724347][ T74] netdev_get_by_index+0x5e/0x80 [ 4222.724347][ T74] fib6_nh_init+0x3d8/0x1580 [ 4222.724347][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4222.724347][ T74] ip6_route_add+0x1c/0x140 [ 4222.724347][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4222.724347][ T74] inet6_addr_add+0x4f8/0xa40 [ 4222.724347][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4222.724347][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4222.724347][ T74] netlink_rcv_skb+0x130/0x360 [ 4222.724347][ T74] netlink_unicast+0x449/0x710 [ 4222.724347][ T74] netlink_sendmsg+0x723/0xbe0 [ 4222.724347][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4222.724347][ T74] ___sys_sendmsg+0xee/0x170 [ 4222.724347][ T74] __sys_sendmsg+0xcd/0x170 [ 4222.724347][ T74] do_syscall_64+0xc6/0x1e0 [ 4222.724347][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4222.724347][ T74] [ 4222.726363][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4222.726363][ T74] netdev_get_by_index+0x5e/0x80 [ 4222.726363][ T74] fib6_nh_init+0x3d8/0x1580 [ 4222.726363][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4222.726363][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4222.726363][ T74] ipv6_add_addr+0x411/0x2000 [ 4222.726363][ T74] inet6_addr_add+0x30e/0xa40 [ 4222.726363][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4222.726363][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4222.726363][ T74] netlink_rcv_skb+0x130/0x360 [ 4222.726363][ T74] netlink_unicast+0x449/0x710 [ 4222.726363][ T74] netlink_sendmsg+0x723/0xbe0 [ 4222.726363][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4222.726363][ T74] ___sys_sendmsg+0xee/0x170 [ 4222.726363][ T74] __sys_sendmsg+0xcd/0x170 [ 4222.726363][ T74] do_syscall_64+0xc6/0x1e0 [ 4222.726363][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4222.726363][ T74] [ 4222.728394][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4222.728394][ T74] netdev_get_by_index+0x5e/0x80 [ 4222.728394][ T74] fib6_nh_init+0x3d8/0x1580 [ 4222.728394][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4222.728394][ T74] ip6_route_add+0x1c/0x140 [ 4222.728394][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4222.728394][ T74] addrconf_add_dev+0xe2/0x170 [ 4222.728394][ T74] inet6_addr_add+0x12f/0xa40 [ 4222.728394][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4222.728394][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4222.728394][ T74] netlink_rcv_skb+0x130/0x360 [ 4222.728394][ T74] netlink_unicast+0x449/0x710 [ 4222.728394][ T74] netlink_sendmsg+0x723/0xbe0 [ 4222.728394][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4222.728394][ T74] ___sys_sendmsg+0xee/0x170 [ 4222.728394][ T74] __sys_sendmsg+0xcd/0x170 [ 4222.728394][ T74] do_syscall_64+0xc6/0x1e0 [ 4222.728394][ T74] [ 4222.730378][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4222.730378][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4222.730378][ T74] ipv6_find_idev+0x102/0x170 [ 4222.730378][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4222.730378][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4222.730378][ T74] netlink_rcv_skb+0x130/0x360 [ 4222.730378][ T74] netlink_unicast+0x449/0x710 [ 4222.730378][ T74] netlink_sendmsg+0x723/0xbe0 [ 4222.730378][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4222.730378][ T74] ___sys_sendmsg+0xee/0x170 [ 4222.730378][ T74] __sys_sendmsg+0xcd/0x170 [ 4222.730378][ T74] do_syscall_64+0xc6/0x1e0 [ 4222.730378][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4222.730378][ T74] [ 4222.731923][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4222.731923][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4222.731923][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4222.731923][ T74] ipv6_find_idev+0x102/0x170 [ 4222.731923][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4222.731923][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4222.731923][ T74] netlink_rcv_skb+0x130/0x360 [ 4222.731923][ T74] netlink_unicast+0x449/0x710 [ 4222.731923][ T74] netlink_sendmsg+0x723/0xbe0 [ 4222.731923][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4222.731923][ T74] ___sys_sendmsg+0xee/0x170 [ 4222.731923][ T74] __sys_sendmsg+0xcd/0x170 [ 4222.731923][ T74] do_syscall_64+0xc6/0x1e0 [ 4222.731923][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4222.731923][ T74] [ 4222.733646][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4222.733930][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4222.733930][ T74] dst_init+0x84/0x4a0 [ 4222.733930][ T74] dst_alloc+0x97/0x150 [ 4222.733930][ T74] ip6_dst_alloc+0x23/0x90 [ 4222.733930][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4222.733930][ T74] ip6_pol_route+0x56f/0x840 [ 4222.733930][ T74] fib6_rule_lookup+0x456/0x630 [ 4222.733930][ T74] ip6_route_input+0x59c/0xa50 [ 4222.733930][ T74] ipv6_rcv+0x397/0x810 [ 4222.733930][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4222.733930][ T74] process_backlog+0x101/0x620 [ 4222.733930][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4222.733930][ T74] net_rx_action+0x495/0xbe0 [ 4222.733930][ T74] __do_softirq+0x1b5/0x7f6 [ 4222.733930][ T74] [ 4222.735586][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4222.735586][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4222.735586][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4222.735586][ T74] fib6_nh_init+0xa22/0x1580 [ 4222.735586][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4222.735586][ T74] ip6_route_add+0x1c/0x140 [ 4222.735586][ T74] inet6_rtm_newroute+0x104/0x110 [ 4222.735586][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4222.735586][ T74] netlink_rcv_skb+0x130/0x360 [ 4222.735586][ T74] netlink_unicast+0x449/0x710 [ 4222.735586][ T74] netlink_sendmsg+0x723/0xbe0 [ 4222.735586][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4222.735586][ T74] ___sys_sendmsg+0xee/0x170 [ 4222.735586][ T74] __sys_sendmsg+0xcd/0x170 [ 4222.735586][ T74] do_syscall_64+0xc6/0x1e0 [ 4222.735586][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4222.735586][ T74] [ 4222.737502][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4222.737502][ T74] netdev_get_by_index+0x5e/0x80 [ 4222.737502][ T74] fib6_nh_init+0x3d8/0x1580 [ 4222.737502][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4222.737502][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4222.737502][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4222.737502][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4222.737502][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4222.737502][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4222.737502][ T74] addrconf_dad_begin+0x310/0x670 [ 4222.737502][ T74] addrconf_dad_work+0x10b/0xab0 [ 4222.737502][ T74] process_one_work+0x84d/0x18a0 [ 4222.737502][ T74] worker_thread+0x587/0xd30 [ 4222.737502][ T74] kthread+0x28a/0x350 [ 4222.737502][ T74] ret_from_fork+0x31/0x70 [ 4222.737502][ T74] ret_from_fork_asm+0x1a/0x30 [ 4222.737502][ T74] [ 4222.739437][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4222.739437][ T74] netdev_get_by_index+0x5e/0x80 [ 4222.739437][ T74] fib6_nh_init+0x3d8/0x1580 [ 4222.739437][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4222.739437][ T74] ip6_route_add+0x1c/0x140 [ 4222.739437][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4222.739437][ T74] inet6_addr_add+0x4f8/0xa40 [ 4222.739437][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4222.739437][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4222.739437][ T74] netlink_rcv_skb+0x130/0x360 [ 4222.739437][ T74] netlink_unicast+0x449/0x710 [ 4222.739437][ T74] netlink_sendmsg+0x723/0xbe0 [ 4222.739437][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4222.739437][ T74] ___sys_sendmsg+0xee/0x170 [ 4222.739437][ T74] __sys_sendmsg+0xcd/0x170 [ 4222.739437][ T74] do_syscall_64+0xc6/0x1e0 [ 4222.739437][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4222.739437][ T74] [ 4222.741464][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4222.741464][ T74] netdev_get_by_index+0x5e/0x80 [ 4222.741464][ T74] fib6_nh_init+0x3d8/0x1580 [ 4222.741464][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4222.741464][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4222.741464][ T74] ipv6_add_addr+0x411/0x2000 [ 4222.741464][ T74] inet6_addr_add+0x30e/0xa40 [ 4222.741464][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4222.741464][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4222.741464][ T74] netlink_rcv_skb+0x130/0x360 [ 4222.741464][ T74] netlink_unicast+0x449/0x710 [ 4222.741464][ T74] netlink_sendmsg+0x723/0xbe0 [ 4222.741464][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4222.741464][ T74] ___sys_sendmsg+0xee/0x170 [ 4222.741464][ T74] __sys_sendmsg+0xcd/0x170 [ 4222.741464][ T74] do_syscall_64+0xc6/0x1e0 [ 4222.741464][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4222.741464][ T74] [ 4222.743488][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4222.743488][ T74] netdev_get_by_index+0x5e/0x80 [ 4222.743488][ T74] fib6_nh_init+0x3d8/0x1580 [ 4222.743488][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4222.743488][ T74] ip6_route_add+0x1c/0x140 [ 4222.743488][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4222.743488][ T74] addrconf_add_dev+0xe2/0x170 [ 4222.743488][ T74] inet6_addr_add+0x12f/0xa40 [ 4222.743488][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4222.743488][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4222.743488][ T74] netlink_rcv_skb+0x130/0x360 [ 4222.743488][ T74] netlink_unicast+0x449/0x710 [ 4222.743488][ T74] netlink_sendmsg+0x723/0xbe0 [ 4222.743488][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4222.743488][ T74] ___sys_sendmsg+0xee/0x170 [ 4222.743488][ T74] __sys_sendmsg+0xcd/0x170 [ 4222.743488][ T74] do_syscall_64+0xc6/0x1e0 [ 4222.743488][ T74] [ 4222.745461][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4222.745461][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4222.745461][ T74] ipv6_find_idev+0x102/0x170 [ 4222.745461][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4222.745461][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4222.745461][ T74] netlink_rcv_skb+0x130/0x360 [ 4222.745461][ T74] netlink_unicast+0x449/0x710 [ 4222.745461][ T74] netlink_sendmsg+0x723/0xbe0 [ 4222.745461][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4222.745461][ T74] ___sys_sendmsg+0xee/0x170 [ 4222.745461][ T74] __sys_sendmsg+0xcd/0x170 [ 4222.745461][ T74] do_syscall_64+0xc6/0x1e0 [ 4222.745461][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4222.745461][ T74] [ 4222.747221][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4222.747221][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4222.747221][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4222.747221][ T74] ipv6_find_idev+0x102/0x170 [ 4222.747221][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4222.747221][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4222.747221][ T74] netlink_rcv_skb+0x130/0x360 [ 4222.747221][ T74] netlink_unicast+0x449/0x710 [ 4222.747221][ T74] netlink_sendmsg+0x723/0xbe0 [ 4222.747221][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4222.747221][ T74] ___sys_sendmsg+0xee/0x170 [ 4222.747221][ T74] __sys_sendmsg+0xcd/0x170 [ 4222.747221][ T74] do_syscall_64+0xc6/0x1e0 [ 4222.747221][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4222.747221][ T74] [ 4222.749115][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4222.749413][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4222.749413][ T74] netdev_get_by_index+0x5e/0x80 [ 4222.749413][ T74] fib6_nh_init+0x3d8/0x1580 [ 4222.749413][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4222.749413][ T74] ip6_route_add+0x1c/0x140 [ 4222.749413][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4222.749413][ T74] inet6_addr_add+0x4f8/0xa40 [ 4222.749413][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4222.749413][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4222.749413][ T74] netlink_rcv_skb+0x130/0x360 [ 4222.749413][ T74] netlink_unicast+0x449/0x710 [ 4222.749413][ T74] netlink_sendmsg+0x723/0xbe0 [ 4222.749413][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4222.749413][ T74] ___sys_sendmsg+0xee/0x170 [ 4222.749413][ T74] __sys_sendmsg+0xcd/0x170 [ 4222.749413][ T74] do_syscall_64+0xc6/0x1e0 [ 4222.749413][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4222.749413][ T74] [ 4222.751600][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4222.751600][ T74] netdev_get_by_index+0x5e/0x80 [ 4222.751600][ T74] fib6_nh_init+0x3d8/0x1580 [ 4222.751600][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4222.751600][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4222.751600][ T74] ipv6_add_addr+0x411/0x2000 [ 4222.751600][ T74] inet6_addr_add+0x30e/0xa40 [ 4222.751600][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4222.751600][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4222.751600][ T74] netlink_rcv_skb+0x130/0x360 [ 4222.751600][ T74] netlink_unicast+0x449/0x710 [ 4222.751600][ T74] netlink_sendmsg+0x723/0xbe0 [ 4222.751600][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4222.751600][ T74] ___sys_sendmsg+0xee/0x170 [ 4222.751600][ T74] __sys_sendmsg+0xcd/0x170 [ 4222.751600][ T74] do_syscall_64+0xc6/0x1e0 [ 4222.751600][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4222.751600][ T74] [ 4222.753922][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4222.753922][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4222.753922][ T74] ipv6_find_idev+0x102/0x170 [ 4222.753922][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4222.753922][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4222.753922][ T74] netlink_rcv_skb+0x130/0x360 [ 4222.753922][ T74] netlink_unicast+0x449/0x710 [ 4222.753922][ T74] netlink_sendmsg+0x723/0xbe0 [ 4222.753922][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4222.753922][ T74] ___sys_sendmsg+0xee/0x170 [ 4222.753922][ T74] __sys_sendmsg+0xcd/0x170 [ 4222.753922][ T74] do_syscall_64+0xc6/0x1e0 [ 4222.753922][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4222.753922][ T74] [ 4222.755660][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4222.755660][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4222.755660][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4222.755660][ T74] ipv6_find_idev+0x102/0x170 [ 4222.755660][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4222.755660][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4222.755660][ T74] netlink_rcv_skb+0x130/0x360 [ 4222.755660][ T74] netlink_unicast+0x449/0x710 [ 4222.755660][ T74] netlink_sendmsg+0x723/0xbe0 [ 4222.755660][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4222.755660][ T74] ___sys_sendmsg+0xee/0x170 [ 4222.755660][ T74] __sys_sendmsg+0xcd/0x170 [ 4222.755660][ T74] do_syscall_64+0xc6/0x1e0 [ 4222.755660][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4222.755660][ T74] [ 4233.007965][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4233.008413][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4233.008413][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4233.008413][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4233.008413][ T74] fib6_nh_init+0xa22/0x1580 [ 4233.008413][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4233.008413][ T74] ip6_route_add+0x1c/0x140 [ 4233.008413][ T74] inet6_rtm_newroute+0x104/0x110 [ 4233.008413][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4233.008413][ T74] netlink_rcv_skb+0x130/0x360 [ 4233.008413][ T74] netlink_unicast+0x449/0x710 [ 4233.008413][ T74] netlink_sendmsg+0x723/0xbe0 [ 4233.008413][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4233.008413][ T74] ___sys_sendmsg+0xee/0x170 [ 4233.008413][ T74] __sys_sendmsg+0xcd/0x170 [ 4233.008413][ T74] do_syscall_64+0xc6/0x1e0 [ 4233.008413][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4233.008413][ T74] [ 4233.010376][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4233.010376][ T74] netdev_get_by_index+0x5e/0x80 [ 4233.010376][ T74] fib6_nh_init+0x3d8/0x1580 [ 4233.010376][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4233.010376][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4233.010376][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4233.010376][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4233.010376][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4233.010376][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4233.010376][ T74] addrconf_dad_begin+0x310/0x670 [ 4233.010376][ T74] addrconf_dad_work+0x10b/0xab0 [ 4233.010376][ T74] process_one_work+0x84d/0x18a0 [ 4233.010376][ T74] worker_thread+0x587/0xd30 [ 4233.010376][ T74] kthread+0x28a/0x350 [ 4233.010376][ T74] ret_from_fork+0x31/0x70 [ 4233.010376][ T74] ret_from_fork_asm+0x1a/0x30 [ 4233.010376][ T74] [ 4233.012306][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4233.012306][ T74] netdev_get_by_index+0x5e/0x80 [ 4233.012306][ T74] fib6_nh_init+0x3d8/0x1580 [ 4233.012306][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4233.012306][ T74] ip6_route_add+0x1c/0x140 [ 4233.012306][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4233.012306][ T74] inet6_addr_add+0x4f8/0xa40 [ 4233.012306][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4233.012306][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4233.012306][ T74] netlink_rcv_skb+0x130/0x360 [ 4233.012306][ T74] netlink_unicast+0x449/0x710 [ 4233.012306][ T74] netlink_sendmsg+0x723/0xbe0 [ 4233.012306][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4233.012306][ T74] ___sys_sendmsg+0xee/0x170 [ 4233.012306][ T74] __sys_sendmsg+0xcd/0x170 [ 4233.012306][ T74] do_syscall_64+0xc6/0x1e0 [ 4233.012306][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4233.012306][ T74] [ 4233.014335][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4233.014335][ T74] netdev_get_by_index+0x5e/0x80 [ 4233.014335][ T74] fib6_nh_init+0x3d8/0x1580 [ 4233.014335][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4233.014335][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4233.014335][ T74] ipv6_add_addr+0x411/0x2000 [ 4233.014335][ T74] inet6_addr_add+0x30e/0xa40 [ 4233.014335][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4233.014335][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4233.014335][ T74] netlink_rcv_skb+0x130/0x360 [ 4233.014335][ T74] netlink_unicast+0x449/0x710 [ 4233.014335][ T74] netlink_sendmsg+0x723/0xbe0 [ 4233.014335][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4233.014335][ T74] ___sys_sendmsg+0xee/0x170 [ 4233.014335][ T74] __sys_sendmsg+0xcd/0x170 [ 4233.014335][ T74] do_syscall_64+0xc6/0x1e0 [ 4233.014335][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4233.014335][ T74] [ 4233.016356][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4233.016356][ T74] netdev_get_by_index+0x5e/0x80 [ 4233.016356][ T74] fib6_nh_init+0x3d8/0x1580 [ 4233.016356][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4233.016356][ T74] ip6_route_add+0x1c/0x140 [ 4233.016356][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4233.016356][ T74] addrconf_add_dev+0xe2/0x170 [ 4233.016356][ T74] inet6_addr_add+0x12f/0xa40 [ 4233.016356][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4233.016356][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4233.016356][ T74] netlink_rcv_skb+0x130/0x360 [ 4233.016356][ T74] netlink_unicast+0x449/0x710 [ 4233.016356][ T74] netlink_sendmsg+0x723/0xbe0 [ 4233.016356][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4233.016356][ T74] ___sys_sendmsg+0xee/0x170 [ 4233.016356][ T74] __sys_sendmsg+0xcd/0x170 [ 4233.016356][ T74] do_syscall_64+0xc6/0x1e0 [ 4233.016356][ T74] [ 4233.018382][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4233.018382][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4233.018382][ T74] ipv6_find_idev+0x102/0x170 [ 4233.018382][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4233.018382][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4233.018382][ T74] netlink_rcv_skb+0x130/0x360 [ 4233.018382][ T74] netlink_unicast+0x449/0x710 [ 4233.018382][ T74] netlink_sendmsg+0x723/0xbe0 [ 4233.018382][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4233.018382][ T74] ___sys_sendmsg+0xee/0x170 [ 4233.018382][ T74] __sys_sendmsg+0xcd/0x170 [ 4233.018382][ T74] do_syscall_64+0xc6/0x1e0 [ 4233.018382][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4233.018382][ T74] [ 4233.020029][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4233.020029][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4233.020029][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4233.020029][ T74] ipv6_find_idev+0x102/0x170 [ 4233.020029][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4233.020029][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4233.020029][ T74] netlink_rcv_skb+0x130/0x360 [ 4233.020029][ T74] netlink_unicast+0x449/0x710 [ 4233.020029][ T74] netlink_sendmsg+0x723/0xbe0 [ 4233.020029][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4233.020029][ T74] ___sys_sendmsg+0xee/0x170 [ 4233.020029][ T74] __sys_sendmsg+0xcd/0x170 [ 4233.020029][ T74] do_syscall_64+0xc6/0x1e0 [ 4233.020029][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4233.020029][ T74] [ 4233.021757][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4233.022050][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4233.022050][ T74] dst_init+0x84/0x4a0 [ 4233.022050][ T74] dst_alloc+0x97/0x150 [ 4233.022050][ T74] ip6_dst_alloc+0x23/0x90 [ 4233.022050][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4233.022050][ T74] ip6_pol_route+0x56f/0x840 [ 4233.022050][ T74] fib6_rule_lookup+0x456/0x630 [ 4233.022050][ T74] ip6_route_input+0x59c/0xa50 [ 4233.022050][ T74] ipv6_rcv+0x397/0x810 [ 4233.022050][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4233.022050][ T74] process_backlog+0x101/0x620 [ 4233.022050][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4233.022050][ T74] net_rx_action+0x495/0xbe0 [ 4233.022050][ T74] __do_softirq+0x1b5/0x7f6 [ 4233.022050][ T74] [ 4233.023735][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4233.023735][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4233.023735][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4233.023735][ T74] fib6_nh_init+0xa22/0x1580 [ 4233.023735][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4233.023735][ T74] ip6_route_add+0x1c/0x140 [ 4233.023735][ T74] inet6_rtm_newroute+0x104/0x110 [ 4233.023735][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4233.023735][ T74] netlink_rcv_skb+0x130/0x360 [ 4233.023735][ T74] netlink_unicast+0x449/0x710 [ 4233.023735][ T74] netlink_sendmsg+0x723/0xbe0 [ 4233.023735][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4233.023735][ T74] ___sys_sendmsg+0xee/0x170 [ 4233.023735][ T74] __sys_sendmsg+0xcd/0x170 [ 4233.023735][ T74] do_syscall_64+0xc6/0x1e0 [ 4233.023735][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4233.023735][ T74] [ 4233.025641][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4233.025641][ T74] netdev_get_by_index+0x5e/0x80 [ 4233.025641][ T74] fib6_nh_init+0x3d8/0x1580 [ 4233.025641][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4233.025641][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4233.025641][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4233.025641][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4233.025641][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4233.025641][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4233.025641][ T74] addrconf_dad_begin+0x310/0x670 [ 4233.025641][ T74] addrconf_dad_work+0x10b/0xab0 [ 4233.025641][ T74] process_one_work+0x84d/0x18a0 [ 4233.025641][ T74] worker_thread+0x587/0xd30 [ 4233.025641][ T74] kthread+0x28a/0x350 [ 4233.025641][ T74] ret_from_fork+0x31/0x70 [ 4233.025641][ T74] ret_from_fork_asm+0x1a/0x30 [ 4233.025641][ T74] [ 4233.027575][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4233.027575][ T74] netdev_get_by_index+0x5e/0x80 [ 4233.027575][ T74] fib6_nh_init+0x3d8/0x1580 [ 4233.027575][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4233.027575][ T74] ip6_route_add+0x1c/0x140 [ 4233.027575][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4233.027575][ T74] inet6_addr_add+0x4f8/0xa40 [ 4233.027575][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4233.027575][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4233.027575][ T74] netlink_rcv_skb+0x130/0x360 [ 4233.027575][ T74] netlink_unicast+0x449/0x710 [ 4233.027575][ T74] netlink_sendmsg+0x723/0xbe0 [ 4233.027575][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4233.027575][ T74] ___sys_sendmsg+0xee/0x170 [ 4233.027575][ T74] __sys_sendmsg+0xcd/0x170 [ 4233.027575][ T74] do_syscall_64+0xc6/0x1e0 [ 4233.027575][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4233.027575][ T74] [ 4233.029602][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4233.029602][ T74] netdev_get_by_index+0x5e/0x80 [ 4233.029602][ T74] fib6_nh_init+0x3d8/0x1580 [ 4233.029602][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4233.029602][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4233.029602][ T74] ipv6_add_addr+0x411/0x2000 [ 4233.029602][ T74] inet6_addr_add+0x30e/0xa40 [ 4233.029602][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4233.029602][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4233.029602][ T74] netlink_rcv_skb+0x130/0x360 [ 4233.029602][ T74] netlink_unicast+0x449/0x710 [ 4233.029602][ T74] netlink_sendmsg+0x723/0xbe0 [ 4233.029602][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4233.029602][ T74] ___sys_sendmsg+0xee/0x170 [ 4233.029602][ T74] __sys_sendmsg+0xcd/0x170 [ 4233.029602][ T74] do_syscall_64+0xc6/0x1e0 [ 4233.029602][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4233.029602][ T74] [ 4233.031632][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4233.031632][ T74] netdev_get_by_index+0x5e/0x80 [ 4233.031632][ T74] fib6_nh_init+0x3d8/0x1580 [ 4233.031632][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4233.031632][ T74] ip6_route_add+0x1c/0x140 [ 4233.031632][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4233.031632][ T74] addrconf_add_dev+0xe2/0x170 [ 4233.031632][ T74] inet6_addr_add+0x12f/0xa40 [ 4233.031632][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4233.031632][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4233.031632][ T74] netlink_rcv_skb+0x130/0x360 [ 4233.031632][ T74] netlink_unicast+0x449/0x710 [ 4233.031632][ T74] netlink_sendmsg+0x723/0xbe0 [ 4233.031632][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4233.031632][ T74] ___sys_sendmsg+0xee/0x170 [ 4233.031632][ T74] __sys_sendmsg+0xcd/0x170 [ 4233.031632][ T74] do_syscall_64+0xc6/0x1e0 [ 4233.031632][ T74] [ 4233.033627][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4233.033627][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4233.033627][ T74] ipv6_find_idev+0x102/0x170 [ 4233.033627][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4233.033627][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4233.033627][ T74] netlink_rcv_skb+0x130/0x360 [ 4233.033627][ T74] netlink_unicast+0x449/0x710 [ 4233.033627][ T74] netlink_sendmsg+0x723/0xbe0 [ 4233.033627][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4233.033627][ T74] ___sys_sendmsg+0xee/0x170 [ 4233.033627][ T74] __sys_sendmsg+0xcd/0x170 [ 4233.033627][ T74] do_syscall_64+0xc6/0x1e0 [ 4233.033627][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4233.033627][ T74] [ 4233.035373][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4233.035373][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4233.035373][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4233.035373][ T74] ipv6_find_idev+0x102/0x170 [ 4233.035373][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4233.035373][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4233.035373][ T74] netlink_rcv_skb+0x130/0x360 [ 4233.035373][ T74] netlink_unicast+0x449/0x710 [ 4233.035373][ T74] netlink_sendmsg+0x723/0xbe0 [ 4233.035373][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4233.035373][ T74] ___sys_sendmsg+0xee/0x170 [ 4233.035373][ T74] __sys_sendmsg+0xcd/0x170 [ 4233.035373][ T74] do_syscall_64+0xc6/0x1e0 [ 4233.035373][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4233.035373][ T74] [ 4233.037283][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4233.037595][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4233.037595][ T74] netdev_get_by_index+0x5e/0x80 [ 4233.037595][ T74] fib6_nh_init+0x3d8/0x1580 [ 4233.037595][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4233.037595][ T74] ip6_route_add+0x1c/0x140 [ 4233.037595][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4233.037595][ T74] inet6_addr_add+0x4f8/0xa40 [ 4233.037595][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4233.037595][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4233.037595][ T74] netlink_rcv_skb+0x130/0x360 [ 4233.037595][ T74] netlink_unicast+0x449/0x710 [ 4233.037595][ T74] netlink_sendmsg+0x723/0xbe0 [ 4233.037595][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4233.037595][ T74] ___sys_sendmsg+0xee/0x170 [ 4233.037595][ T74] __sys_sendmsg+0xcd/0x170 [ 4233.037595][ T74] do_syscall_64+0xc6/0x1e0 [ 4233.037595][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4233.037595][ T74] [ 4233.039814][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4233.039814][ T74] netdev_get_by_index+0x5e/0x80 [ 4233.039814][ T74] fib6_nh_init+0x3d8/0x1580 [ 4233.039814][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4233.039814][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4233.039814][ T74] ipv6_add_addr+0x411/0x2000 [ 4233.039814][ T74] inet6_addr_add+0x30e/0xa40 [ 4233.039814][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4233.039814][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4233.039814][ T74] netlink_rcv_skb+0x130/0x360 [ 4233.039814][ T74] netlink_unicast+0x449/0x710 [ 4233.039814][ T74] netlink_sendmsg+0x723/0xbe0 [ 4233.039814][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4233.039814][ T74] ___sys_sendmsg+0xee/0x170 [ 4233.039814][ T74] __sys_sendmsg+0xcd/0x170 [ 4233.039814][ T74] do_syscall_64+0xc6/0x1e0 [ 4233.039814][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4233.039814][ T74] [ 4233.042028][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4233.042028][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4233.042028][ T74] ipv6_find_idev+0x102/0x170 [ 4233.042028][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4233.042028][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4233.042028][ T74] netlink_rcv_skb+0x130/0x360 [ 4233.042028][ T74] netlink_unicast+0x449/0x710 [ 4233.042028][ T74] netlink_sendmsg+0x723/0xbe0 [ 4233.042028][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4233.042028][ T74] ___sys_sendmsg+0xee/0x170 [ 4233.042028][ T74] __sys_sendmsg+0xcd/0x170 [ 4233.042028][ T74] do_syscall_64+0xc6/0x1e0 [ 4233.042028][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4233.042028][ T74] [ 4233.043849][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4233.043849][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4233.043849][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4233.043849][ T74] ipv6_find_idev+0x102/0x170 [ 4233.043849][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4233.043849][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4233.043849][ T74] netlink_rcv_skb+0x130/0x360 [ 4233.043849][ T74] netlink_unicast+0x449/0x710 [ 4233.043849][ T74] netlink_sendmsg+0x723/0xbe0 [ 4233.043849][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4233.043849][ T74] ___sys_sendmsg+0xee/0x170 [ 4233.043849][ T74] __sys_sendmsg+0xcd/0x170 [ 4233.043849][ T74] do_syscall_64+0xc6/0x1e0 [ 4233.043849][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4233.043849][ T74] [ 4243.055972][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4243.056335][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4243.056335][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4243.056335][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4243.056335][ T74] fib6_nh_init+0xa22/0x1580 [ 4243.056335][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4243.056335][ T74] ip6_route_add+0x1c/0x140 [ 4243.056335][ T74] inet6_rtm_newroute+0x104/0x110 [ 4243.056335][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4243.056335][ T74] netlink_rcv_skb+0x130/0x360 [ 4243.056335][ T74] netlink_unicast+0x449/0x710 [ 4243.056335][ T74] netlink_sendmsg+0x723/0xbe0 [ 4243.056335][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4243.056335][ T74] ___sys_sendmsg+0xee/0x170 [ 4243.056335][ T74] __sys_sendmsg+0xcd/0x170 [ 4243.056335][ T74] do_syscall_64+0xc6/0x1e0 [ 4243.056335][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4243.056335][ T74] [ 4243.058241][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4243.058241][ T74] netdev_get_by_index+0x5e/0x80 [ 4243.058241][ T74] fib6_nh_init+0x3d8/0x1580 [ 4243.058241][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4243.058241][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4243.058241][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4243.058241][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4243.058241][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4243.058241][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4243.058241][ T74] addrconf_dad_begin+0x310/0x670 [ 4243.058241][ T74] addrconf_dad_work+0x10b/0xab0 [ 4243.058241][ T74] process_one_work+0x84d/0x18a0 [ 4243.058241][ T74] worker_thread+0x587/0xd30 [ 4243.058241][ T74] kthread+0x28a/0x350 [ 4243.058241][ T74] ret_from_fork+0x31/0x70 [ 4243.058241][ T74] ret_from_fork_asm+0x1a/0x30 [ 4243.058241][ T74] [ 4243.060165][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4243.060165][ T74] netdev_get_by_index+0x5e/0x80 [ 4243.060165][ T74] fib6_nh_init+0x3d8/0x1580 [ 4243.060165][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4243.060165][ T74] ip6_route_add+0x1c/0x140 [ 4243.060165][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4243.060165][ T74] inet6_addr_add+0x4f8/0xa40 [ 4243.060165][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4243.060165][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4243.060165][ T74] netlink_rcv_skb+0x130/0x360 [ 4243.060165][ T74] netlink_unicast+0x449/0x710 [ 4243.060165][ T74] netlink_sendmsg+0x723/0xbe0 [ 4243.060165][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4243.060165][ T74] ___sys_sendmsg+0xee/0x170 [ 4243.060165][ T74] __sys_sendmsg+0xcd/0x170 [ 4243.060165][ T74] do_syscall_64+0xc6/0x1e0 [ 4243.060165][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4243.060165][ T74] [ 4243.062166][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4243.062166][ T74] netdev_get_by_index+0x5e/0x80 [ 4243.062166][ T74] fib6_nh_init+0x3d8/0x1580 [ 4243.062166][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4243.062166][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4243.062166][ T74] ipv6_add_addr+0x411/0x2000 [ 4243.062166][ T74] inet6_addr_add+0x30e/0xa40 [ 4243.062166][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4243.062166][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4243.062166][ T74] netlink_rcv_skb+0x130/0x360 [ 4243.062166][ T74] netlink_unicast+0x449/0x710 [ 4243.062166][ T74] netlink_sendmsg+0x723/0xbe0 [ 4243.062166][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4243.062166][ T74] ___sys_sendmsg+0xee/0x170 [ 4243.062166][ T74] __sys_sendmsg+0xcd/0x170 [ 4243.062166][ T74] do_syscall_64+0xc6/0x1e0 [ 4243.062166][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4243.062166][ T74] [ 4243.064162][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4243.064162][ T74] netdev_get_by_index+0x5e/0x80 [ 4243.064162][ T74] fib6_nh_init+0x3d8/0x1580 [ 4243.064162][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4243.064162][ T74] ip6_route_add+0x1c/0x140 [ 4243.064162][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4243.064162][ T74] addrconf_add_dev+0xe2/0x170 [ 4243.064162][ T74] inet6_addr_add+0x12f/0xa40 [ 4243.064162][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4243.064162][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4243.064162][ T74] netlink_rcv_skb+0x130/0x360 [ 4243.064162][ T74] netlink_unicast+0x449/0x710 [ 4243.064162][ T74] netlink_sendmsg+0x723/0xbe0 [ 4243.064162][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4243.064162][ T74] ___sys_sendmsg+0xee/0x170 [ 4243.064162][ T74] __sys_sendmsg+0xcd/0x170 [ 4243.064162][ T74] do_syscall_64+0xc6/0x1e0 [ 4243.064162][ T74] [ 4243.066238][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4243.066238][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4243.066238][ T74] ipv6_find_idev+0x102/0x170 [ 4243.066238][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4243.066238][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4243.066238][ T74] netlink_rcv_skb+0x130/0x360 [ 4243.066238][ T74] netlink_unicast+0x449/0x710 [ 4243.066238][ T74] netlink_sendmsg+0x723/0xbe0 [ 4243.066238][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4243.066238][ T74] ___sys_sendmsg+0xee/0x170 [ 4243.066238][ T74] __sys_sendmsg+0xcd/0x170 [ 4243.066238][ T74] do_syscall_64+0xc6/0x1e0 [ 4243.066238][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4243.066238][ T74] [ 4243.067771][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4243.067771][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4243.067771][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4243.067771][ T74] ipv6_find_idev+0x102/0x170 [ 4243.067771][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4243.067771][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4243.067771][ T74] netlink_rcv_skb+0x130/0x360 [ 4243.067771][ T74] netlink_unicast+0x449/0x710 [ 4243.067771][ T74] netlink_sendmsg+0x723/0xbe0 [ 4243.067771][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4243.067771][ T74] ___sys_sendmsg+0xee/0x170 [ 4243.067771][ T74] __sys_sendmsg+0xcd/0x170 [ 4243.067771][ T74] do_syscall_64+0xc6/0x1e0 [ 4243.067771][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4243.067771][ T74] [ 4243.069466][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4243.069738][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4243.069738][ T74] dst_init+0x84/0x4a0 [ 4243.069738][ T74] dst_alloc+0x97/0x150 [ 4243.069738][ T74] ip6_dst_alloc+0x23/0x90 [ 4243.069738][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4243.069738][ T74] ip6_pol_route+0x56f/0x840 [ 4243.069738][ T74] fib6_rule_lookup+0x456/0x630 [ 4243.069738][ T74] ip6_route_input+0x59c/0xa50 [ 4243.069738][ T74] ipv6_rcv+0x397/0x810 [ 4243.069738][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4243.069738][ T74] process_backlog+0x101/0x620 [ 4243.069738][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4243.069738][ T74] net_rx_action+0x495/0xbe0 [ 4243.069738][ T74] __do_softirq+0x1b5/0x7f6 [ 4243.069738][ T74] [ 4243.071373][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4243.071373][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4243.071373][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4243.071373][ T74] fib6_nh_init+0xa22/0x1580 [ 4243.071373][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4243.071373][ T74] ip6_route_add+0x1c/0x140 [ 4243.071373][ T74] inet6_rtm_newroute+0x104/0x110 [ 4243.071373][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4243.071373][ T74] netlink_rcv_skb+0x130/0x360 [ 4243.071373][ T74] netlink_unicast+0x449/0x710 [ 4243.071373][ T74] netlink_sendmsg+0x723/0xbe0 [ 4243.071373][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4243.071373][ T74] ___sys_sendmsg+0xee/0x170 [ 4243.071373][ T74] __sys_sendmsg+0xcd/0x170 [ 4243.071373][ T74] do_syscall_64+0xc6/0x1e0 [ 4243.071373][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4243.071373][ T74] [ 4243.073247][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4243.073247][ T74] netdev_get_by_index+0x5e/0x80 [ 4243.073247][ T74] fib6_nh_init+0x3d8/0x1580 [ 4243.073247][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4243.073247][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4243.073247][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4243.073247][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4243.073247][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4243.073247][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4243.073247][ T74] addrconf_dad_begin+0x310/0x670 [ 4243.073247][ T74] addrconf_dad_work+0x10b/0xab0 [ 4243.073247][ T74] process_one_work+0x84d/0x18a0 [ 4243.073247][ T74] worker_thread+0x587/0xd30 [ 4243.073247][ T74] kthread+0x28a/0x350 [ 4243.073247][ T74] ret_from_fork+0x31/0x70 [ 4243.073247][ T74] ret_from_fork_asm+0x1a/0x30 [ 4243.073247][ T74] [ 4243.075154][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4243.075154][ T74] netdev_get_by_index+0x5e/0x80 [ 4243.075154][ T74] fib6_nh_init+0x3d8/0x1580 [ 4243.075154][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4243.075154][ T74] ip6_route_add+0x1c/0x140 [ 4243.075154][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4243.075154][ T74] inet6_addr_add+0x4f8/0xa40 [ 4243.075154][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4243.075154][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4243.075154][ T74] netlink_rcv_skb+0x130/0x360 [ 4243.075154][ T74] netlink_unicast+0x449/0x710 [ 4243.075154][ T74] netlink_sendmsg+0x723/0xbe0 [ 4243.075154][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4243.075154][ T74] ___sys_sendmsg+0xee/0x170 [ 4243.075154][ T74] __sys_sendmsg+0xcd/0x170 [ 4243.075154][ T74] do_syscall_64+0xc6/0x1e0 [ 4243.075154][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4243.075154][ T74] [ 4243.077149][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4243.077149][ T74] netdev_get_by_index+0x5e/0x80 [ 4243.077149][ T74] fib6_nh_init+0x3d8/0x1580 [ 4243.077149][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4243.077149][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4243.077149][ T74] ipv6_add_addr+0x411/0x2000 [ 4243.077149][ T74] inet6_addr_add+0x30e/0xa40 [ 4243.077149][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4243.077149][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4243.077149][ T74] netlink_rcv_skb+0x130/0x360 [ 4243.077149][ T74] netlink_unicast+0x449/0x710 [ 4243.077149][ T74] netlink_sendmsg+0x723/0xbe0 [ 4243.077149][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4243.077149][ T74] ___sys_sendmsg+0xee/0x170 [ 4243.077149][ T74] __sys_sendmsg+0xcd/0x170 [ 4243.077149][ T74] do_syscall_64+0xc6/0x1e0 [ 4243.077149][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4243.077149][ T74] [ 4243.079192][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4243.079192][ T74] netdev_get_by_index+0x5e/0x80 [ 4243.079192][ T74] fib6_nh_init+0x3d8/0x1580 [ 4243.079192][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4243.079192][ T74] ip6_route_add+0x1c/0x140 [ 4243.079192][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4243.079192][ T74] addrconf_add_dev+0xe2/0x170 [ 4243.079192][ T74] inet6_addr_add+0x12f/0xa40 [ 4243.079192][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4243.079192][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4243.079192][ T74] netlink_rcv_skb+0x130/0x360 [ 4243.079192][ T74] netlink_unicast+0x449/0x710 [ 4243.079192][ T74] netlink_sendmsg+0x723/0xbe0 [ 4243.079192][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4243.079192][ T74] ___sys_sendmsg+0xee/0x170 [ 4243.079192][ T74] __sys_sendmsg+0xcd/0x170 [ 4243.079192][ T74] do_syscall_64+0xc6/0x1e0 [ 4243.079192][ T74] [ 4243.081161][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4243.081161][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4243.081161][ T74] ipv6_find_idev+0x102/0x170 [ 4243.081161][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4243.081161][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4243.081161][ T74] netlink_rcv_skb+0x130/0x360 [ 4243.081161][ T74] netlink_unicast+0x449/0x710 [ 4243.081161][ T74] netlink_sendmsg+0x723/0xbe0 [ 4243.081161][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4243.081161][ T74] ___sys_sendmsg+0xee/0x170 [ 4243.081161][ T74] __sys_sendmsg+0xcd/0x170 [ 4243.081161][ T74] do_syscall_64+0xc6/0x1e0 [ 4243.081161][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4243.081161][ T74] [ 4243.082890][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4243.082890][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4243.082890][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4243.082890][ T74] ipv6_find_idev+0x102/0x170 [ 4243.082890][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4243.082890][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4243.082890][ T74] netlink_rcv_skb+0x130/0x360 [ 4243.082890][ T74] netlink_unicast+0x449/0x710 [ 4243.082890][ T74] netlink_sendmsg+0x723/0xbe0 [ 4243.082890][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4243.082890][ T74] ___sys_sendmsg+0xee/0x170 [ 4243.082890][ T74] __sys_sendmsg+0xcd/0x170 [ 4243.082890][ T74] do_syscall_64+0xc6/0x1e0 [ 4243.082890][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4243.082890][ T74] [ 4243.084828][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4243.085150][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4243.085150][ T74] netdev_get_by_index+0x5e/0x80 [ 4243.085150][ T74] fib6_nh_init+0x3d8/0x1580 [ 4243.085150][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4243.085150][ T74] ip6_route_add+0x1c/0x140 [ 4243.085150][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4243.085150][ T74] inet6_addr_add+0x4f8/0xa40 [ 4243.085150][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4243.085150][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4243.085150][ T74] netlink_rcv_skb+0x130/0x360 [ 4243.085150][ T74] netlink_unicast+0x449/0x710 [ 4243.085150][ T74] netlink_sendmsg+0x723/0xbe0 [ 4243.085150][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4243.085150][ T74] ___sys_sendmsg+0xee/0x170 [ 4243.085150][ T74] __sys_sendmsg+0xcd/0x170 [ 4243.085150][ T74] do_syscall_64+0xc6/0x1e0 [ 4243.085150][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4243.085150][ T74] [ 4243.087329][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4243.087329][ T74] netdev_get_by_index+0x5e/0x80 [ 4243.087329][ T74] fib6_nh_init+0x3d8/0x1580 [ 4243.087329][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4243.087329][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4243.087329][ T74] ipv6_add_addr+0x411/0x2000 [ 4243.087329][ T74] inet6_addr_add+0x30e/0xa40 [ 4243.087329][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4243.087329][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4243.087329][ T74] netlink_rcv_skb+0x130/0x360 [ 4243.087329][ T74] netlink_unicast+0x449/0x710 [ 4243.087329][ T74] netlink_sendmsg+0x723/0xbe0 [ 4243.087329][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4243.087329][ T74] ___sys_sendmsg+0xee/0x170 [ 4243.087329][ T74] __sys_sendmsg+0xcd/0x170 [ 4243.087329][ T74] do_syscall_64+0xc6/0x1e0 [ 4243.087329][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4243.087329][ T74] [ 4243.089581][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4243.089581][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4243.089581][ T74] ipv6_find_idev+0x102/0x170 [ 4243.089581][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4243.089581][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4243.089581][ T74] netlink_rcv_skb+0x130/0x360 [ 4243.089581][ T74] netlink_unicast+0x449/0x710 [ 4243.089581][ T74] netlink_sendmsg+0x723/0xbe0 [ 4243.089581][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4243.089581][ T74] ___sys_sendmsg+0xee/0x170 [ 4243.089581][ T74] __sys_sendmsg+0xcd/0x170 [ 4243.089581][ T74] do_syscall_64+0xc6/0x1e0 [ 4243.089581][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4243.089581][ T74] [ 4243.091303][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4243.091303][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4243.091303][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4243.091303][ T74] ipv6_find_idev+0x102/0x170 [ 4243.091303][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4243.091303][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4243.091303][ T74] netlink_rcv_skb+0x130/0x360 [ 4243.091303][ T74] netlink_unicast+0x449/0x710 [ 4243.091303][ T74] netlink_sendmsg+0x723/0xbe0 [ 4243.091303][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4243.091303][ T74] ___sys_sendmsg+0xee/0x170 [ 4243.091303][ T74] __sys_sendmsg+0xcd/0x170 [ 4243.091303][ T74] do_syscall_64+0xc6/0x1e0 [ 4243.091303][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4243.091303][ T74] [ 4253.335984][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4253.336454][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4253.336454][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4253.336454][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4253.336454][ T74] fib6_nh_init+0xa22/0x1580 [ 4253.336454][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4253.336454][ T74] ip6_route_add+0x1c/0x140 [ 4253.336454][ T74] inet6_rtm_newroute+0x104/0x110 [ 4253.336454][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4253.336454][ T74] netlink_rcv_skb+0x130/0x360 [ 4253.336454][ T74] netlink_unicast+0x449/0x710 [ 4253.336454][ T74] netlink_sendmsg+0x723/0xbe0 [ 4253.336454][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4253.336454][ T74] ___sys_sendmsg+0xee/0x170 [ 4253.336454][ T74] __sys_sendmsg+0xcd/0x170 [ 4253.336454][ T74] do_syscall_64+0xc6/0x1e0 [ 4253.336454][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4253.336454][ T74] [ 4253.338385][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4253.338385][ T74] netdev_get_by_index+0x5e/0x80 [ 4253.338385][ T74] fib6_nh_init+0x3d8/0x1580 [ 4253.338385][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4253.338385][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4253.338385][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4253.338385][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4253.338385][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4253.338385][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4253.338385][ T74] addrconf_dad_begin+0x310/0x670 [ 4253.338385][ T74] addrconf_dad_work+0x10b/0xab0 [ 4253.338385][ T74] process_one_work+0x84d/0x18a0 [ 4253.338385][ T74] worker_thread+0x587/0xd30 [ 4253.338385][ T74] kthread+0x28a/0x350 [ 4253.338385][ T74] ret_from_fork+0x31/0x70 [ 4253.338385][ T74] ret_from_fork_asm+0x1a/0x30 [ 4253.338385][ T74] [ 4253.340315][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4253.340315][ T74] netdev_get_by_index+0x5e/0x80 [ 4253.340315][ T74] fib6_nh_init+0x3d8/0x1580 [ 4253.340315][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4253.340315][ T74] ip6_route_add+0x1c/0x140 [ 4253.340315][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4253.340315][ T74] inet6_addr_add+0x4f8/0xa40 [ 4253.340315][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4253.340315][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4253.340315][ T74] netlink_rcv_skb+0x130/0x360 [ 4253.340315][ T74] netlink_unicast+0x449/0x710 [ 4253.340315][ T74] netlink_sendmsg+0x723/0xbe0 [ 4253.340315][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4253.340315][ T74] ___sys_sendmsg+0xee/0x170 [ 4253.340315][ T74] __sys_sendmsg+0xcd/0x170 [ 4253.340315][ T74] do_syscall_64+0xc6/0x1e0 [ 4253.340315][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4253.340315][ T74] [ 4253.342330][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4253.342330][ T74] netdev_get_by_index+0x5e/0x80 [ 4253.342330][ T74] fib6_nh_init+0x3d8/0x1580 [ 4253.342330][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4253.342330][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4253.342330][ T74] ipv6_add_addr+0x411/0x2000 [ 4253.342330][ T74] inet6_addr_add+0x30e/0xa40 [ 4253.342330][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4253.342330][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4253.342330][ T74] netlink_rcv_skb+0x130/0x360 [ 4253.342330][ T74] netlink_unicast+0x449/0x710 [ 4253.342330][ T74] netlink_sendmsg+0x723/0xbe0 [ 4253.342330][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4253.342330][ T74] ___sys_sendmsg+0xee/0x170 [ 4253.342330][ T74] __sys_sendmsg+0xcd/0x170 [ 4253.342330][ T74] do_syscall_64+0xc6/0x1e0 [ 4253.342330][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4253.342330][ T74] [ 4253.344329][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4253.344329][ T74] netdev_get_by_index+0x5e/0x80 [ 4253.344329][ T74] fib6_nh_init+0x3d8/0x1580 [ 4253.344329][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4253.344329][ T74] ip6_route_add+0x1c/0x140 [ 4253.344329][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4253.344329][ T74] addrconf_add_dev+0xe2/0x170 [ 4253.344329][ T74] inet6_addr_add+0x12f/0xa40 [ 4253.344329][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4253.344329][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4253.344329][ T74] netlink_rcv_skb+0x130/0x360 [ 4253.344329][ T74] netlink_unicast+0x449/0x710 [ 4253.344329][ T74] netlink_sendmsg+0x723/0xbe0 [ 4253.344329][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4253.344329][ T74] ___sys_sendmsg+0xee/0x170 [ 4253.344329][ T74] __sys_sendmsg+0xcd/0x170 [ 4253.344329][ T74] do_syscall_64+0xc6/0x1e0 [ 4253.344329][ T74] [ 4253.346311][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4253.346311][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4253.346311][ T74] ipv6_find_idev+0x102/0x170 [ 4253.346311][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4253.346311][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4253.346311][ T74] netlink_rcv_skb+0x130/0x360 [ 4253.346311][ T74] netlink_unicast+0x449/0x710 [ 4253.346311][ T74] netlink_sendmsg+0x723/0xbe0 [ 4253.346311][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4253.346311][ T74] ___sys_sendmsg+0xee/0x170 [ 4253.346311][ T74] __sys_sendmsg+0xcd/0x170 [ 4253.346311][ T74] do_syscall_64+0xc6/0x1e0 [ 4253.346311][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4253.346311][ T74] [ 4253.347866][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4253.347866][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4253.347866][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4253.347866][ T74] ipv6_find_idev+0x102/0x170 [ 4253.347866][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4253.347866][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4253.347866][ T74] netlink_rcv_skb+0x130/0x360 [ 4253.347866][ T74] netlink_unicast+0x449/0x710 [ 4253.347866][ T74] netlink_sendmsg+0x723/0xbe0 [ 4253.347866][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4253.347866][ T74] ___sys_sendmsg+0xee/0x170 [ 4253.347866][ T74] __sys_sendmsg+0xcd/0x170 [ 4253.347866][ T74] do_syscall_64+0xc6/0x1e0 [ 4253.347866][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4253.347866][ T74] [ 4253.349571][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4253.349857][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4253.349857][ T74] dst_init+0x84/0x4a0 [ 4253.349857][ T74] dst_alloc+0x97/0x150 [ 4253.349857][ T74] ip6_dst_alloc+0x23/0x90 [ 4253.349857][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4253.349857][ T74] ip6_pol_route+0x56f/0x840 [ 4253.349857][ T74] fib6_rule_lookup+0x456/0x630 [ 4253.349857][ T74] ip6_route_input+0x59c/0xa50 [ 4253.349857][ T74] ipv6_rcv+0x397/0x810 [ 4253.349857][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4253.349857][ T74] process_backlog+0x101/0x620 [ 4253.349857][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4253.349857][ T74] net_rx_action+0x495/0xbe0 [ 4253.349857][ T74] __do_softirq+0x1b5/0x7f6 [ 4253.349857][ T74] [ 4253.351509][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4253.351509][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4253.351509][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4253.351509][ T74] fib6_nh_init+0xa22/0x1580 [ 4253.351509][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4253.351509][ T74] ip6_route_add+0x1c/0x140 [ 4253.351509][ T74] inet6_rtm_newroute+0x104/0x110 [ 4253.351509][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4253.351509][ T74] netlink_rcv_skb+0x130/0x360 [ 4253.351509][ T74] netlink_unicast+0x449/0x710 [ 4253.351509][ T74] netlink_sendmsg+0x723/0xbe0 [ 4253.351509][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4253.351509][ T74] ___sys_sendmsg+0xee/0x170 [ 4253.351509][ T74] __sys_sendmsg+0xcd/0x170 [ 4253.351509][ T74] do_syscall_64+0xc6/0x1e0 [ 4253.351509][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4253.351509][ T74] [ 4253.353393][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4253.353393][ T74] netdev_get_by_index+0x5e/0x80 [ 4253.353393][ T74] fib6_nh_init+0x3d8/0x1580 [ 4253.353393][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4253.353393][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4253.353393][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4253.353393][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4253.353393][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4253.353393][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4253.353393][ T74] addrconf_dad_begin+0x310/0x670 [ 4253.353393][ T74] addrconf_dad_work+0x10b/0xab0 [ 4253.353393][ T74] process_one_work+0x84d/0x18a0 [ 4253.353393][ T74] worker_thread+0x587/0xd30 [ 4253.353393][ T74] kthread+0x28a/0x350 [ 4253.353393][ T74] ret_from_fork+0x31/0x70 [ 4253.353393][ T74] ret_from_fork_asm+0x1a/0x30 [ 4253.353393][ T74] [ 4253.355307][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4253.355307][ T74] netdev_get_by_index+0x5e/0x80 [ 4253.355307][ T74] fib6_nh_init+0x3d8/0x1580 [ 4253.355307][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4253.355307][ T74] ip6_route_add+0x1c/0x140 [ 4253.355307][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4253.355307][ T74] inet6_addr_add+0x4f8/0xa40 [ 4253.355307][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4253.355307][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4253.355307][ T74] netlink_rcv_skb+0x130/0x360 [ 4253.355307][ T74] netlink_unicast+0x449/0x710 [ 4253.355307][ T74] netlink_sendmsg+0x723/0xbe0 [ 4253.355307][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4253.355307][ T74] ___sys_sendmsg+0xee/0x170 [ 4253.355307][ T74] __sys_sendmsg+0xcd/0x170 [ 4253.355307][ T74] do_syscall_64+0xc6/0x1e0 [ 4253.355307][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4253.355307][ T74] [ 4253.357305][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4253.357305][ T74] netdev_get_by_index+0x5e/0x80 [ 4253.357305][ T74] fib6_nh_init+0x3d8/0x1580 [ 4253.357305][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4253.357305][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4253.357305][ T74] ipv6_add_addr+0x411/0x2000 [ 4253.357305][ T74] inet6_addr_add+0x30e/0xa40 [ 4253.357305][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4253.357305][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4253.357305][ T74] netlink_rcv_skb+0x130/0x360 [ 4253.357305][ T74] netlink_unicast+0x449/0x710 [ 4253.357305][ T74] netlink_sendmsg+0x723/0xbe0 [ 4253.357305][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4253.357305][ T74] ___sys_sendmsg+0xee/0x170 [ 4253.357305][ T74] __sys_sendmsg+0xcd/0x170 [ 4253.357305][ T74] do_syscall_64+0xc6/0x1e0 [ 4253.357305][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4253.357305][ T74] [ 4253.359317][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4253.359317][ T74] netdev_get_by_index+0x5e/0x80 [ 4253.359317][ T74] fib6_nh_init+0x3d8/0x1580 [ 4253.359317][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4253.359317][ T74] ip6_route_add+0x1c/0x140 [ 4253.359317][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4253.359317][ T74] addrconf_add_dev+0xe2/0x170 [ 4253.359317][ T74] inet6_addr_add+0x12f/0xa40 [ 4253.359317][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4253.359317][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4253.359317][ T74] netlink_rcv_skb+0x130/0x360 [ 4253.359317][ T74] netlink_unicast+0x449/0x710 [ 4253.359317][ T74] netlink_sendmsg+0x723/0xbe0 [ 4253.359317][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4253.359317][ T74] ___sys_sendmsg+0xee/0x170 [ 4253.359317][ T74] __sys_sendmsg+0xcd/0x170 [ 4253.359317][ T74] do_syscall_64+0xc6/0x1e0 [ 4253.359317][ T74] [ 4253.361279][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4253.361279][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4253.361279][ T74] ipv6_find_idev+0x102/0x170 [ 4253.361279][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4253.361279][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4253.361279][ T74] netlink_rcv_skb+0x130/0x360 [ 4253.361279][ T74] netlink_unicast+0x449/0x710 [ 4253.361279][ T74] netlink_sendmsg+0x723/0xbe0 [ 4253.361279][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4253.361279][ T74] ___sys_sendmsg+0xee/0x170 [ 4253.361279][ T74] __sys_sendmsg+0xcd/0x170 [ 4253.361279][ T74] do_syscall_64+0xc6/0x1e0 [ 4253.361279][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4253.361279][ T74] [ 4253.363004][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4253.363004][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4253.363004][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4253.363004][ T74] ipv6_find_idev+0x102/0x170 [ 4253.363004][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4253.363004][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4253.363004][ T74] netlink_rcv_skb+0x130/0x360 [ 4253.363004][ T74] netlink_unicast+0x449/0x710 [ 4253.363004][ T74] netlink_sendmsg+0x723/0xbe0 [ 4253.363004][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4253.363004][ T74] ___sys_sendmsg+0xee/0x170 [ 4253.363004][ T74] __sys_sendmsg+0xcd/0x170 [ 4253.363004][ T74] do_syscall_64+0xc6/0x1e0 [ 4253.363004][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4253.363004][ T74] [ 4253.364933][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4253.365181][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4253.365181][ T74] netdev_get_by_index+0x5e/0x80 [ 4253.365181][ T74] fib6_nh_init+0x3d8/0x1580 [ 4253.365181][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4253.365181][ T74] ip6_route_add+0x1c/0x140 [ 4253.365181][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4253.365181][ T74] inet6_addr_add+0x4f8/0xa40 [ 4253.365181][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4253.365181][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4253.365181][ T74] netlink_rcv_skb+0x130/0x360 [ 4253.365181][ T74] netlink_unicast+0x449/0x710 [ 4253.365181][ T74] netlink_sendmsg+0x723/0xbe0 [ 4253.365181][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4253.365181][ T74] ___sys_sendmsg+0xee/0x170 [ 4253.365181][ T74] __sys_sendmsg+0xcd/0x170 [ 4253.365181][ T74] do_syscall_64+0xc6/0x1e0 [ 4253.365181][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4253.365181][ T74] [ 4253.367425][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4253.367425][ T74] netdev_get_by_index+0x5e/0x80 [ 4253.367425][ T74] fib6_nh_init+0x3d8/0x1580 [ 4253.367425][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4253.367425][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4253.367425][ T74] ipv6_add_addr+0x411/0x2000 [ 4253.367425][ T74] inet6_addr_add+0x30e/0xa40 [ 4253.367425][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4253.367425][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4253.367425][ T74] netlink_rcv_skb+0x130/0x360 [ 4253.367425][ T74] netlink_unicast+0x449/0x710 [ 4253.367425][ T74] netlink_sendmsg+0x723/0xbe0 [ 4253.367425][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4253.367425][ T74] ___sys_sendmsg+0xee/0x170 [ 4253.367425][ T74] __sys_sendmsg+0xcd/0x170 [ 4253.367425][ T74] do_syscall_64+0xc6/0x1e0 [ 4253.367425][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4253.367425][ T74] [ 4253.369679][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4253.369679][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4253.369679][ T74] ipv6_find_idev+0x102/0x170 [ 4253.369679][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4253.369679][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4253.369679][ T74] netlink_rcv_skb+0x130/0x360 [ 4253.369679][ T74] netlink_unicast+0x449/0x710 [ 4253.369679][ T74] netlink_sendmsg+0x723/0xbe0 [ 4253.369679][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4253.369679][ T74] ___sys_sendmsg+0xee/0x170 [ 4253.369679][ T74] __sys_sendmsg+0xcd/0x170 [ 4253.369679][ T74] do_syscall_64+0xc6/0x1e0 [ 4253.369679][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4253.369679][ T74] [ 4253.371345][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4253.371345][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4253.371345][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4253.371345][ T74] ipv6_find_idev+0x102/0x170 [ 4253.371345][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4253.371345][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4253.371345][ T74] netlink_rcv_skb+0x130/0x360 [ 4253.371345][ T74] netlink_unicast+0x449/0x710 [ 4253.371345][ T74] netlink_sendmsg+0x723/0xbe0 [ 4253.371345][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4253.371345][ T74] ___sys_sendmsg+0xee/0x170 [ 4253.371345][ T74] __sys_sendmsg+0xcd/0x170 [ 4253.371345][ T74] do_syscall_64+0xc6/0x1e0 [ 4253.371345][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4253.371345][ T74] [ 4263.656017][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4263.656432][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4263.656432][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4263.656432][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4263.656432][ T74] fib6_nh_init+0xa22/0x1580 [ 4263.656432][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4263.656432][ T74] ip6_route_add+0x1c/0x140 [ 4263.656432][ T74] inet6_rtm_newroute+0x104/0x110 [ 4263.656432][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4263.656432][ T74] netlink_rcv_skb+0x130/0x360 [ 4263.656432][ T74] netlink_unicast+0x449/0x710 [ 4263.656432][ T74] netlink_sendmsg+0x723/0xbe0 [ 4263.656432][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4263.656432][ T74] ___sys_sendmsg+0xee/0x170 [ 4263.656432][ T74] __sys_sendmsg+0xcd/0x170 [ 4263.656432][ T74] do_syscall_64+0xc6/0x1e0 [ 4263.656432][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4263.656432][ T74] [ 4263.658365][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4263.658365][ T74] netdev_get_by_index+0x5e/0x80 [ 4263.658365][ T74] fib6_nh_init+0x3d8/0x1580 [ 4263.658365][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4263.658365][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4263.658365][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4263.658365][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4263.658365][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4263.658365][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4263.658365][ T74] addrconf_dad_begin+0x310/0x670 [ 4263.658365][ T74] addrconf_dad_work+0x10b/0xab0 [ 4263.658365][ T74] process_one_work+0x84d/0x18a0 [ 4263.658365][ T74] worker_thread+0x587/0xd30 [ 4263.658365][ T74] kthread+0x28a/0x350 [ 4263.658365][ T74] ret_from_fork+0x31/0x70 [ 4263.658365][ T74] ret_from_fork_asm+0x1a/0x30 [ 4263.658365][ T74] [ 4263.660292][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4263.660292][ T74] netdev_get_by_index+0x5e/0x80 [ 4263.660292][ T74] fib6_nh_init+0x3d8/0x1580 [ 4263.660292][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4263.660292][ T74] ip6_route_add+0x1c/0x140 [ 4263.660292][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4263.660292][ T74] inet6_addr_add+0x4f8/0xa40 [ 4263.660292][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4263.660292][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4263.660292][ T74] netlink_rcv_skb+0x130/0x360 [ 4263.660292][ T74] netlink_unicast+0x449/0x710 [ 4263.660292][ T74] netlink_sendmsg+0x723/0xbe0 [ 4263.660292][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4263.660292][ T74] ___sys_sendmsg+0xee/0x170 [ 4263.660292][ T74] __sys_sendmsg+0xcd/0x170 [ 4263.660292][ T74] do_syscall_64+0xc6/0x1e0 [ 4263.660292][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4263.660292][ T74] [ 4263.662308][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4263.662308][ T74] netdev_get_by_index+0x5e/0x80 [ 4263.662308][ T74] fib6_nh_init+0x3d8/0x1580 [ 4263.662308][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4263.662308][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4263.662308][ T74] ipv6_add_addr+0x411/0x2000 [ 4263.662308][ T74] inet6_addr_add+0x30e/0xa40 [ 4263.662308][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4263.662308][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4263.662308][ T74] netlink_rcv_skb+0x130/0x360 [ 4263.662308][ T74] netlink_unicast+0x449/0x710 [ 4263.662308][ T74] netlink_sendmsg+0x723/0xbe0 [ 4263.662308][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4263.662308][ T74] ___sys_sendmsg+0xee/0x170 [ 4263.662308][ T74] __sys_sendmsg+0xcd/0x170 [ 4263.662308][ T74] do_syscall_64+0xc6/0x1e0 [ 4263.662308][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4263.662308][ T74] [ 4263.664314][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4263.664314][ T74] netdev_get_by_index+0x5e/0x80 [ 4263.664314][ T74] fib6_nh_init+0x3d8/0x1580 [ 4263.664314][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4263.664314][ T74] ip6_route_add+0x1c/0x140 [ 4263.664314][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4263.664314][ T74] addrconf_add_dev+0xe2/0x170 [ 4263.664314][ T74] inet6_addr_add+0x12f/0xa40 [ 4263.664314][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4263.664314][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4263.664314][ T74] netlink_rcv_skb+0x130/0x360 [ 4263.664314][ T74] netlink_unicast+0x449/0x710 [ 4263.664314][ T74] netlink_sendmsg+0x723/0xbe0 [ 4263.664314][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4263.664314][ T74] ___sys_sendmsg+0xee/0x170 [ 4263.664314][ T74] __sys_sendmsg+0xcd/0x170 [ 4263.664314][ T74] do_syscall_64+0xc6/0x1e0 [ 4263.664314][ T74] [ 4263.666271][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4263.666271][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4263.666271][ T74] ipv6_find_idev+0x102/0x170 [ 4263.666271][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4263.666271][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4263.666271][ T74] netlink_rcv_skb+0x130/0x360 [ 4263.666271][ T74] netlink_unicast+0x449/0x710 [ 4263.666271][ T74] netlink_sendmsg+0x723/0xbe0 [ 4263.666271][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4263.666271][ T74] ___sys_sendmsg+0xee/0x170 [ 4263.666271][ T74] __sys_sendmsg+0xcd/0x170 [ 4263.666271][ T74] do_syscall_64+0xc6/0x1e0 [ 4263.666271][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4263.666271][ T74] [ 4263.667802][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4263.667802][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4263.667802][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4263.667802][ T74] ipv6_find_idev+0x102/0x170 [ 4263.667802][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4263.667802][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4263.667802][ T74] netlink_rcv_skb+0x130/0x360 [ 4263.667802][ T74] netlink_unicast+0x449/0x710 [ 4263.667802][ T74] netlink_sendmsg+0x723/0xbe0 [ 4263.667802][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4263.667802][ T74] ___sys_sendmsg+0xee/0x170 [ 4263.667802][ T74] __sys_sendmsg+0xcd/0x170 [ 4263.667802][ T74] do_syscall_64+0xc6/0x1e0 [ 4263.667802][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4263.667802][ T74] [ 4263.669499][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4263.669771][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4263.669771][ T74] dst_init+0x84/0x4a0 [ 4263.669771][ T74] dst_alloc+0x97/0x150 [ 4263.669771][ T74] ip6_dst_alloc+0x23/0x90 [ 4263.669771][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4263.669771][ T74] ip6_pol_route+0x56f/0x840 [ 4263.669771][ T74] fib6_rule_lookup+0x456/0x630 [ 4263.669771][ T74] ip6_route_input+0x59c/0xa50 [ 4263.669771][ T74] ipv6_rcv+0x397/0x810 [ 4263.669771][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4263.669771][ T74] process_backlog+0x101/0x620 [ 4263.669771][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4263.669771][ T74] net_rx_action+0x495/0xbe0 [ 4263.669771][ T74] __do_softirq+0x1b5/0x7f6 [ 4263.669771][ T74] [ 4263.671400][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4263.671400][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4263.671400][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4263.671400][ T74] fib6_nh_init+0xa22/0x1580 [ 4263.671400][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4263.671400][ T74] ip6_route_add+0x1c/0x140 [ 4263.671400][ T74] inet6_rtm_newroute+0x104/0x110 [ 4263.671400][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4263.671400][ T74] netlink_rcv_skb+0x130/0x360 [ 4263.671400][ T74] netlink_unicast+0x449/0x710 [ 4263.671400][ T74] netlink_sendmsg+0x723/0xbe0 [ 4263.671400][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4263.671400][ T74] ___sys_sendmsg+0xee/0x170 [ 4263.671400][ T74] __sys_sendmsg+0xcd/0x170 [ 4263.671400][ T74] do_syscall_64+0xc6/0x1e0 [ 4263.671400][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4263.671400][ T74] [ 4263.673262][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4263.673262][ T74] netdev_get_by_index+0x5e/0x80 [ 4263.673262][ T74] fib6_nh_init+0x3d8/0x1580 [ 4263.673262][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4263.673262][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4263.673262][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4263.673262][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4263.673262][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4263.673262][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4263.673262][ T74] addrconf_dad_begin+0x310/0x670 [ 4263.673262][ T74] addrconf_dad_work+0x10b/0xab0 [ 4263.673262][ T74] process_one_work+0x84d/0x18a0 [ 4263.673262][ T74] worker_thread+0x587/0xd30 [ 4263.673262][ T74] kthread+0x28a/0x350 [ 4263.673262][ T74] ret_from_fork+0x31/0x70 [ 4263.673262][ T74] ret_from_fork_asm+0x1a/0x30 [ 4263.673262][ T74] [ 4263.675159][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4263.675159][ T74] netdev_get_by_index+0x5e/0x80 [ 4263.675159][ T74] fib6_nh_init+0x3d8/0x1580 [ 4263.675159][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4263.675159][ T74] ip6_route_add+0x1c/0x140 [ 4263.675159][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4263.675159][ T74] inet6_addr_add+0x4f8/0xa40 [ 4263.675159][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4263.675159][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4263.675159][ T74] netlink_rcv_skb+0x130/0x360 [ 4263.675159][ T74] netlink_unicast+0x449/0x710 [ 4263.675159][ T74] netlink_sendmsg+0x723/0xbe0 [ 4263.675159][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4263.675159][ T74] ___sys_sendmsg+0xee/0x170 [ 4263.675159][ T74] __sys_sendmsg+0xcd/0x170 [ 4263.675159][ T74] do_syscall_64+0xc6/0x1e0 [ 4263.675159][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4263.675159][ T74] [ 4263.677141][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4263.677141][ T74] netdev_get_by_index+0x5e/0x80 [ 4263.677141][ T74] fib6_nh_init+0x3d8/0x1580 [ 4263.677141][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4263.677141][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4263.677141][ T74] ipv6_add_addr+0x411/0x2000 [ 4263.677141][ T74] inet6_addr_add+0x30e/0xa40 [ 4263.677141][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4263.677141][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4263.677141][ T74] netlink_rcv_skb+0x130/0x360 [ 4263.677141][ T74] netlink_unicast+0x449/0x710 [ 4263.677141][ T74] netlink_sendmsg+0x723/0xbe0 [ 4263.677141][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4263.677141][ T74] ___sys_sendmsg+0xee/0x170 [ 4263.677141][ T74] __sys_sendmsg+0xcd/0x170 [ 4263.677141][ T74] do_syscall_64+0xc6/0x1e0 [ 4263.677141][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4263.677141][ T74] [ 4263.679151][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4263.679151][ T74] netdev_get_by_index+0x5e/0x80 [ 4263.679151][ T74] fib6_nh_init+0x3d8/0x1580 [ 4263.679151][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4263.679151][ T74] ip6_route_add+0x1c/0x140 [ 4263.679151][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4263.679151][ T74] addrconf_add_dev+0xe2/0x170 [ 4263.679151][ T74] inet6_addr_add+0x12f/0xa40 [ 4263.679151][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4263.679151][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4263.679151][ T74] netlink_rcv_skb+0x130/0x360 [ 4263.679151][ T74] netlink_unicast+0x449/0x710 [ 4263.679151][ T74] netlink_sendmsg+0x723/0xbe0 [ 4263.679151][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4263.679151][ T74] ___sys_sendmsg+0xee/0x170 [ 4263.679151][ T74] __sys_sendmsg+0xcd/0x170 [ 4263.679151][ T74] do_syscall_64+0xc6/0x1e0 [ 4263.679151][ T74] [ 4263.681100][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4263.681100][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4263.681100][ T74] ipv6_find_idev+0x102/0x170 [ 4263.681100][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4263.681100][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4263.681100][ T74] netlink_rcv_skb+0x130/0x360 [ 4263.681100][ T74] netlink_unicast+0x449/0x710 [ 4263.681100][ T74] netlink_sendmsg+0x723/0xbe0 [ 4263.681100][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4263.681100][ T74] ___sys_sendmsg+0xee/0x170 [ 4263.681100][ T74] __sys_sendmsg+0xcd/0x170 [ 4263.681100][ T74] do_syscall_64+0xc6/0x1e0 [ 4263.681100][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4263.681100][ T74] [ 4263.682817][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4263.682817][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4263.682817][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4263.682817][ T74] ipv6_find_idev+0x102/0x170 [ 4263.682817][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4263.682817][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4263.682817][ T74] netlink_rcv_skb+0x130/0x360 [ 4263.682817][ T74] netlink_unicast+0x449/0x710 [ 4263.682817][ T74] netlink_sendmsg+0x723/0xbe0 [ 4263.682817][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4263.682817][ T74] ___sys_sendmsg+0xee/0x170 [ 4263.682817][ T74] __sys_sendmsg+0xcd/0x170 [ 4263.682817][ T74] do_syscall_64+0xc6/0x1e0 [ 4263.682817][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4263.682817][ T74] [ 4263.684759][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4263.685070][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4263.685070][ T74] netdev_get_by_index+0x5e/0x80 [ 4263.685070][ T74] fib6_nh_init+0x3d8/0x1580 [ 4263.685070][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4263.685070][ T74] ip6_route_add+0x1c/0x140 [ 4263.685070][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4263.685070][ T74] inet6_addr_add+0x4f8/0xa40 [ 4263.685070][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4263.685070][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4263.685070][ T74] netlink_rcv_skb+0x130/0x360 [ 4263.685070][ T74] netlink_unicast+0x449/0x710 [ 4263.685070][ T74] netlink_sendmsg+0x723/0xbe0 [ 4263.685070][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4263.685070][ T74] ___sys_sendmsg+0xee/0x170 [ 4263.685070][ T74] __sys_sendmsg+0xcd/0x170 [ 4263.685070][ T74] do_syscall_64+0xc6/0x1e0 [ 4263.685070][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4263.685070][ T74] [ 4263.687242][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4263.687242][ T74] netdev_get_by_index+0x5e/0x80 [ 4263.687242][ T74] fib6_nh_init+0x3d8/0x1580 [ 4263.687242][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4263.687242][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4263.687242][ T74] ipv6_add_addr+0x411/0x2000 [ 4263.687242][ T74] inet6_addr_add+0x30e/0xa40 [ 4263.687242][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4263.687242][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4263.687242][ T74] netlink_rcv_skb+0x130/0x360 [ 4263.687242][ T74] netlink_unicast+0x449/0x710 [ 4263.687242][ T74] netlink_sendmsg+0x723/0xbe0 [ 4263.687242][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4263.687242][ T74] ___sys_sendmsg+0xee/0x170 [ 4263.687242][ T74] __sys_sendmsg+0xcd/0x170 [ 4263.687242][ T74] do_syscall_64+0xc6/0x1e0 [ 4263.687242][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4263.687242][ T74] [ 4263.689468][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4263.689468][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4263.689468][ T74] ipv6_find_idev+0x102/0x170 [ 4263.689468][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4263.689468][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4263.689468][ T74] netlink_rcv_skb+0x130/0x360 [ 4263.689468][ T74] netlink_unicast+0x449/0x710 [ 4263.689468][ T74] netlink_sendmsg+0x723/0xbe0 [ 4263.689468][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4263.689468][ T74] ___sys_sendmsg+0xee/0x170 [ 4263.689468][ T74] __sys_sendmsg+0xcd/0x170 [ 4263.689468][ T74] do_syscall_64+0xc6/0x1e0 [ 4263.689468][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4263.689468][ T74] [ 4263.691180][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4263.691180][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4263.691180][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4263.691180][ T74] ipv6_find_idev+0x102/0x170 [ 4263.691180][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4263.691180][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4263.691180][ T74] netlink_rcv_skb+0x130/0x360 [ 4263.691180][ T74] netlink_unicast+0x449/0x710 [ 4263.691180][ T74] netlink_sendmsg+0x723/0xbe0 [ 4263.691180][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4263.691180][ T74] ___sys_sendmsg+0xee/0x170 [ 4263.691180][ T74] __sys_sendmsg+0xcd/0x170 [ 4263.691180][ T74] do_syscall_64+0xc6/0x1e0 [ 4263.691180][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4263.691180][ T74] [ 4273.703995][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4273.704453][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4273.704453][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4273.704453][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4273.704453][ T74] fib6_nh_init+0xa22/0x1580 [ 4273.704453][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4273.704453][ T74] ip6_route_add+0x1c/0x140 [ 4273.704453][ T74] inet6_rtm_newroute+0x104/0x110 [ 4273.704453][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4273.704453][ T74] netlink_rcv_skb+0x130/0x360 [ 4273.704453][ T74] netlink_unicast+0x449/0x710 [ 4273.704453][ T74] netlink_sendmsg+0x723/0xbe0 [ 4273.704453][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4273.704453][ T74] ___sys_sendmsg+0xee/0x170 [ 4273.704453][ T74] __sys_sendmsg+0xcd/0x170 [ 4273.704453][ T74] do_syscall_64+0xc6/0x1e0 [ 4273.704453][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4273.704453][ T74] [ 4273.706344][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4273.706344][ T74] netdev_get_by_index+0x5e/0x80 [ 4273.706344][ T74] fib6_nh_init+0x3d8/0x1580 [ 4273.706344][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4273.706344][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4273.706344][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4273.706344][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4273.706344][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4273.706344][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4273.706344][ T74] addrconf_dad_begin+0x310/0x670 [ 4273.706344][ T74] addrconf_dad_work+0x10b/0xab0 [ 4273.706344][ T74] process_one_work+0x84d/0x18a0 [ 4273.706344][ T74] worker_thread+0x587/0xd30 [ 4273.706344][ T74] kthread+0x28a/0x350 [ 4273.706344][ T74] ret_from_fork+0x31/0x70 [ 4273.706344][ T74] ret_from_fork_asm+0x1a/0x30 [ 4273.706344][ T74] [ 4273.708259][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4273.708259][ T74] netdev_get_by_index+0x5e/0x80 [ 4273.708259][ T74] fib6_nh_init+0x3d8/0x1580 [ 4273.708259][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4273.708259][ T74] ip6_route_add+0x1c/0x140 [ 4273.708259][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4273.708259][ T74] inet6_addr_add+0x4f8/0xa40 [ 4273.708259][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4273.708259][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4273.708259][ T74] netlink_rcv_skb+0x130/0x360 [ 4273.708259][ T74] netlink_unicast+0x449/0x710 [ 4273.708259][ T74] netlink_sendmsg+0x723/0xbe0 [ 4273.708259][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4273.708259][ T74] ___sys_sendmsg+0xee/0x170 [ 4273.708259][ T74] __sys_sendmsg+0xcd/0x170 [ 4273.708259][ T74] do_syscall_64+0xc6/0x1e0 [ 4273.708259][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4273.708259][ T74] [ 4273.710271][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4273.710271][ T74] netdev_get_by_index+0x5e/0x80 [ 4273.710271][ T74] fib6_nh_init+0x3d8/0x1580 [ 4273.710271][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4273.710271][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4273.710271][ T74] ipv6_add_addr+0x411/0x2000 [ 4273.710271][ T74] inet6_addr_add+0x30e/0xa40 [ 4273.710271][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4273.710271][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4273.710271][ T74] netlink_rcv_skb+0x130/0x360 [ 4273.710271][ T74] netlink_unicast+0x449/0x710 [ 4273.710271][ T74] netlink_sendmsg+0x723/0xbe0 [ 4273.710271][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4273.710271][ T74] ___sys_sendmsg+0xee/0x170 [ 4273.710271][ T74] __sys_sendmsg+0xcd/0x170 [ 4273.710271][ T74] do_syscall_64+0xc6/0x1e0 [ 4273.710271][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4273.710271][ T74] [ 4273.712261][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4273.712261][ T74] netdev_get_by_index+0x5e/0x80 [ 4273.712261][ T74] fib6_nh_init+0x3d8/0x1580 [ 4273.712261][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4273.712261][ T74] ip6_route_add+0x1c/0x140 [ 4273.712261][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4273.712261][ T74] addrconf_add_dev+0xe2/0x170 [ 4273.712261][ T74] inet6_addr_add+0x12f/0xa40 [ 4273.712261][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4273.712261][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4273.712261][ T74] netlink_rcv_skb+0x130/0x360 [ 4273.712261][ T74] netlink_unicast+0x449/0x710 [ 4273.712261][ T74] netlink_sendmsg+0x723/0xbe0 [ 4273.712261][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4273.712261][ T74] ___sys_sendmsg+0xee/0x170 [ 4273.712261][ T74] __sys_sendmsg+0xcd/0x170 [ 4273.712261][ T74] do_syscall_64+0xc6/0x1e0 [ 4273.712261][ T74] [ 4273.714249][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4273.714249][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4273.714249][ T74] ipv6_find_idev+0x102/0x170 [ 4273.714249][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4273.714249][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4273.714249][ T74] netlink_rcv_skb+0x130/0x360 [ 4273.714249][ T74] netlink_unicast+0x449/0x710 [ 4273.714249][ T74] netlink_sendmsg+0x723/0xbe0 [ 4273.714249][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4273.714249][ T74] ___sys_sendmsg+0xee/0x170 [ 4273.714249][ T74] __sys_sendmsg+0xcd/0x170 [ 4273.714249][ T74] do_syscall_64+0xc6/0x1e0 [ 4273.714249][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4273.714249][ T74] [ 4273.715780][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4273.715780][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4273.715780][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4273.715780][ T74] ipv6_find_idev+0x102/0x170 [ 4273.715780][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4273.715780][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4273.715780][ T74] netlink_rcv_skb+0x130/0x360 [ 4273.715780][ T74] netlink_unicast+0x449/0x710 [ 4273.715780][ T74] netlink_sendmsg+0x723/0xbe0 [ 4273.715780][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4273.715780][ T74] ___sys_sendmsg+0xee/0x170 [ 4273.715780][ T74] __sys_sendmsg+0xcd/0x170 [ 4273.715780][ T74] do_syscall_64+0xc6/0x1e0 [ 4273.715780][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4273.715780][ T74] [ 4273.717476][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4273.717753][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4273.717753][ T74] dst_init+0x84/0x4a0 [ 4273.717753][ T74] dst_alloc+0x97/0x150 [ 4273.717753][ T74] ip6_dst_alloc+0x23/0x90 [ 4273.717753][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4273.717753][ T74] ip6_pol_route+0x56f/0x840 [ 4273.717753][ T74] fib6_rule_lookup+0x456/0x630 [ 4273.717753][ T74] ip6_route_input+0x59c/0xa50 [ 4273.717753][ T74] ipv6_rcv+0x397/0x810 [ 4273.717753][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4273.717753][ T74] process_backlog+0x101/0x620 [ 4273.717753][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4273.717753][ T74] net_rx_action+0x495/0xbe0 [ 4273.717753][ T74] __do_softirq+0x1b5/0x7f6 [ 4273.717753][ T74] [ 4273.719385][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4273.719385][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4273.719385][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4273.719385][ T74] fib6_nh_init+0xa22/0x1580 [ 4273.719385][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4273.719385][ T74] ip6_route_add+0x1c/0x140 [ 4273.719385][ T74] inet6_rtm_newroute+0x104/0x110 [ 4273.719385][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4273.719385][ T74] netlink_rcv_skb+0x130/0x360 [ 4273.719385][ T74] netlink_unicast+0x449/0x710 [ 4273.719385][ T74] netlink_sendmsg+0x723/0xbe0 [ 4273.719385][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4273.719385][ T74] ___sys_sendmsg+0xee/0x170 [ 4273.719385][ T74] __sys_sendmsg+0xcd/0x170 [ 4273.719385][ T74] do_syscall_64+0xc6/0x1e0 [ 4273.719385][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4273.719385][ T74] [ 4273.721256][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4273.721256][ T74] netdev_get_by_index+0x5e/0x80 [ 4273.721256][ T74] fib6_nh_init+0x3d8/0x1580 [ 4273.721256][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4273.721256][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4273.721256][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4273.721256][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4273.721256][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4273.721256][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4273.721256][ T74] addrconf_dad_begin+0x310/0x670 [ 4273.721256][ T74] addrconf_dad_work+0x10b/0xab0 [ 4273.721256][ T74] process_one_work+0x84d/0x18a0 [ 4273.721256][ T74] worker_thread+0x587/0xd30 [ 4273.721256][ T74] kthread+0x28a/0x350 [ 4273.721256][ T74] ret_from_fork+0x31/0x70 [ 4273.721256][ T74] ret_from_fork_asm+0x1a/0x30 [ 4273.721256][ T74] [ 4273.723157][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4273.723157][ T74] netdev_get_by_index+0x5e/0x80 [ 4273.723157][ T74] fib6_nh_init+0x3d8/0x1580 [ 4273.723157][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4273.723157][ T74] ip6_route_add+0x1c/0x140 [ 4273.723157][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4273.723157][ T74] inet6_addr_add+0x4f8/0xa40 [ 4273.723157][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4273.723157][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4273.723157][ T74] netlink_rcv_skb+0x130/0x360 [ 4273.723157][ T74] netlink_unicast+0x449/0x710 [ 4273.723157][ T74] netlink_sendmsg+0x723/0xbe0 [ 4273.723157][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4273.723157][ T74] ___sys_sendmsg+0xee/0x170 [ 4273.723157][ T74] __sys_sendmsg+0xcd/0x170 [ 4273.723157][ T74] do_syscall_64+0xc6/0x1e0 [ 4273.723157][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4273.723157][ T74] [ 4273.725145][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4273.725145][ T74] netdev_get_by_index+0x5e/0x80 [ 4273.725145][ T74] fib6_nh_init+0x3d8/0x1580 [ 4273.725145][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4273.725145][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4273.725145][ T74] ipv6_add_addr+0x411/0x2000 [ 4273.725145][ T74] inet6_addr_add+0x30e/0xa40 [ 4273.725145][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4273.725145][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4273.725145][ T74] netlink_rcv_skb+0x130/0x360 [ 4273.725145][ T74] netlink_unicast+0x449/0x710 [ 4273.725145][ T74] netlink_sendmsg+0x723/0xbe0 [ 4273.725145][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4273.725145][ T74] ___sys_sendmsg+0xee/0x170 [ 4273.725145][ T74] __sys_sendmsg+0xcd/0x170 [ 4273.725145][ T74] do_syscall_64+0xc6/0x1e0 [ 4273.725145][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4273.725145][ T74] [ 4273.727134][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4273.727134][ T74] netdev_get_by_index+0x5e/0x80 [ 4273.727134][ T74] fib6_nh_init+0x3d8/0x1580 [ 4273.727134][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4273.727134][ T74] ip6_route_add+0x1c/0x140 [ 4273.727134][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4273.727134][ T74] addrconf_add_dev+0xe2/0x170 [ 4273.727134][ T74] inet6_addr_add+0x12f/0xa40 [ 4273.727134][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4273.727134][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4273.727134][ T74] netlink_rcv_skb+0x130/0x360 [ 4273.727134][ T74] netlink_unicast+0x449/0x710 [ 4273.727134][ T74] netlink_sendmsg+0x723/0xbe0 [ 4273.727134][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4273.727134][ T74] ___sys_sendmsg+0xee/0x170 [ 4273.727134][ T74] __sys_sendmsg+0xcd/0x170 [ 4273.727134][ T74] do_syscall_64+0xc6/0x1e0 [ 4273.727134][ T74] [ 4273.729104][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4273.729104][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4273.729104][ T74] ipv6_find_idev+0x102/0x170 [ 4273.729104][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4273.729104][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4273.729104][ T74] netlink_rcv_skb+0x130/0x360 [ 4273.729104][ T74] netlink_unicast+0x449/0x710 [ 4273.729104][ T74] netlink_sendmsg+0x723/0xbe0 [ 4273.729104][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4273.729104][ T74] ___sys_sendmsg+0xee/0x170 [ 4273.729104][ T74] __sys_sendmsg+0xcd/0x170 [ 4273.729104][ T74] do_syscall_64+0xc6/0x1e0 [ 4273.729104][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4273.729104][ T74] [ 4273.730759][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4273.730759][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4273.730759][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4273.730759][ T74] ipv6_find_idev+0x102/0x170 [ 4273.730759][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4273.730759][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4273.730759][ T74] netlink_rcv_skb+0x130/0x360 [ 4273.730759][ T74] netlink_unicast+0x449/0x710 [ 4273.730759][ T74] netlink_sendmsg+0x723/0xbe0 [ 4273.730759][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4273.730759][ T74] ___sys_sendmsg+0xee/0x170 [ 4273.730759][ T74] __sys_sendmsg+0xcd/0x170 [ 4273.730759][ T74] do_syscall_64+0xc6/0x1e0 [ 4273.730759][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4273.730759][ T74] [ 4273.732718][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4273.732966][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4273.732966][ T74] netdev_get_by_index+0x5e/0x80 [ 4273.732966][ T74] fib6_nh_init+0x3d8/0x1580 [ 4273.732966][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4273.732966][ T74] ip6_route_add+0x1c/0x140 [ 4273.732966][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4273.732966][ T74] inet6_addr_add+0x4f8/0xa40 [ 4273.732966][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4273.732966][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4273.732966][ T74] netlink_rcv_skb+0x130/0x360 [ 4273.732966][ T74] netlink_unicast+0x449/0x710 [ 4273.732966][ T74] netlink_sendmsg+0x723/0xbe0 [ 4273.732966][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4273.732966][ T74] ___sys_sendmsg+0xee/0x170 [ 4273.732966][ T74] __sys_sendmsg+0xcd/0x170 [ 4273.732966][ T74] do_syscall_64+0xc6/0x1e0 [ 4273.732966][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4273.732966][ T74] [ 4273.735201][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4273.735201][ T74] netdev_get_by_index+0x5e/0x80 [ 4273.735201][ T74] fib6_nh_init+0x3d8/0x1580 [ 4273.735201][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4273.735201][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4273.735201][ T74] ipv6_add_addr+0x411/0x2000 [ 4273.735201][ T74] inet6_addr_add+0x30e/0xa40 [ 4273.735201][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4273.735201][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4273.735201][ T74] netlink_rcv_skb+0x130/0x360 [ 4273.735201][ T74] netlink_unicast+0x449/0x710 [ 4273.735201][ T74] netlink_sendmsg+0x723/0xbe0 [ 4273.735201][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4273.735201][ T74] ___sys_sendmsg+0xee/0x170 [ 4273.735201][ T74] __sys_sendmsg+0xcd/0x170 [ 4273.735201][ T74] do_syscall_64+0xc6/0x1e0 [ 4273.735201][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4273.735201][ T74] [ 4273.737445][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4273.737445][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4273.737445][ T74] ipv6_find_idev+0x102/0x170 [ 4273.737445][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4273.737445][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4273.737445][ T74] netlink_rcv_skb+0x130/0x360 [ 4273.737445][ T74] netlink_unicast+0x449/0x710 [ 4273.737445][ T74] netlink_sendmsg+0x723/0xbe0 [ 4273.737445][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4273.737445][ T74] ___sys_sendmsg+0xee/0x170 [ 4273.737445][ T74] __sys_sendmsg+0xcd/0x170 [ 4273.737445][ T74] do_syscall_64+0xc6/0x1e0 [ 4273.737445][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4273.737445][ T74] [ 4273.739104][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4273.739104][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4273.739104][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4273.739104][ T74] ipv6_find_idev+0x102/0x170 [ 4273.739104][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4273.739104][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4273.739104][ T74] netlink_rcv_skb+0x130/0x360 [ 4273.739104][ T74] netlink_unicast+0x449/0x710 [ 4273.739104][ T74] netlink_sendmsg+0x723/0xbe0 [ 4273.739104][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4273.739104][ T74] ___sys_sendmsg+0xee/0x170 [ 4273.739104][ T74] __sys_sendmsg+0xcd/0x170 [ 4273.739104][ T74] do_syscall_64+0xc6/0x1e0 [ 4273.739104][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4273.739104][ T74] [ 4283.879952][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4283.880380][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4283.880380][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4283.880380][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4283.880380][ T74] fib6_nh_init+0xa22/0x1580 [ 4283.880380][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4283.880380][ T74] ip6_route_add+0x1c/0x140 [ 4283.880380][ T74] inet6_rtm_newroute+0x104/0x110 [ 4283.880380][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4283.880380][ T74] netlink_rcv_skb+0x130/0x360 [ 4283.880380][ T74] netlink_unicast+0x449/0x710 [ 4283.880380][ T74] netlink_sendmsg+0x723/0xbe0 [ 4283.880380][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4283.880380][ T74] ___sys_sendmsg+0xee/0x170 [ 4283.880380][ T74] __sys_sendmsg+0xcd/0x170 [ 4283.880380][ T74] do_syscall_64+0xc6/0x1e0 [ 4283.880380][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4283.880380][ T74] [ 4283.882277][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4283.882277][ T74] netdev_get_by_index+0x5e/0x80 [ 4283.882277][ T74] fib6_nh_init+0x3d8/0x1580 [ 4283.882277][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4283.882277][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4283.882277][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4283.882277][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4283.882277][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4283.882277][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4283.882277][ T74] addrconf_dad_begin+0x310/0x670 [ 4283.882277][ T74] addrconf_dad_work+0x10b/0xab0 [ 4283.882277][ T74] process_one_work+0x84d/0x18a0 [ 4283.882277][ T74] worker_thread+0x587/0xd30 [ 4283.882277][ T74] kthread+0x28a/0x350 [ 4283.882277][ T74] ret_from_fork+0x31/0x70 [ 4283.882277][ T74] ret_from_fork_asm+0x1a/0x30 [ 4283.882277][ T74] [ 4283.884187][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4283.884187][ T74] netdev_get_by_index+0x5e/0x80 [ 4283.884187][ T74] fib6_nh_init+0x3d8/0x1580 [ 4283.884187][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4283.884187][ T74] ip6_route_add+0x1c/0x140 [ 4283.884187][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4283.884187][ T74] inet6_addr_add+0x4f8/0xa40 [ 4283.884187][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4283.884187][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4283.884187][ T74] netlink_rcv_skb+0x130/0x360 [ 4283.884187][ T74] netlink_unicast+0x449/0x710 [ 4283.884187][ T74] netlink_sendmsg+0x723/0xbe0 [ 4283.884187][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4283.884187][ T74] ___sys_sendmsg+0xee/0x170 [ 4283.884187][ T74] __sys_sendmsg+0xcd/0x170 [ 4283.884187][ T74] do_syscall_64+0xc6/0x1e0 [ 4283.884187][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4283.884187][ T74] [ 4283.886174][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4283.886174][ T74] netdev_get_by_index+0x5e/0x80 [ 4283.886174][ T74] fib6_nh_init+0x3d8/0x1580 [ 4283.886174][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4283.886174][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4283.886174][ T74] ipv6_add_addr+0x411/0x2000 [ 4283.886174][ T74] inet6_addr_add+0x30e/0xa40 [ 4283.886174][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4283.886174][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4283.886174][ T74] netlink_rcv_skb+0x130/0x360 [ 4283.886174][ T74] netlink_unicast+0x449/0x710 [ 4283.886174][ T74] netlink_sendmsg+0x723/0xbe0 [ 4283.886174][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4283.886174][ T74] ___sys_sendmsg+0xee/0x170 [ 4283.886174][ T74] __sys_sendmsg+0xcd/0x170 [ 4283.886174][ T74] do_syscall_64+0xc6/0x1e0 [ 4283.886174][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4283.886174][ T74] [ 4283.888169][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4283.888169][ T74] netdev_get_by_index+0x5e/0x80 [ 4283.888169][ T74] fib6_nh_init+0x3d8/0x1580 [ 4283.888169][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4283.888169][ T74] ip6_route_add+0x1c/0x140 [ 4283.888169][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4283.888169][ T74] addrconf_add_dev+0xe2/0x170 [ 4283.888169][ T74] inet6_addr_add+0x12f/0xa40 [ 4283.888169][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4283.888169][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4283.888169][ T74] netlink_rcv_skb+0x130/0x360 [ 4283.888169][ T74] netlink_unicast+0x449/0x710 [ 4283.888169][ T74] netlink_sendmsg+0x723/0xbe0 [ 4283.888169][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4283.888169][ T74] ___sys_sendmsg+0xee/0x170 [ 4283.888169][ T74] __sys_sendmsg+0xcd/0x170 [ 4283.888169][ T74] do_syscall_64+0xc6/0x1e0 [ 4283.888169][ T74] [ 4283.890135][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4283.890135][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4283.890135][ T74] ipv6_find_idev+0x102/0x170 [ 4283.890135][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4283.890135][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4283.890135][ T74] netlink_rcv_skb+0x130/0x360 [ 4283.890135][ T74] netlink_unicast+0x449/0x710 [ 4283.890135][ T74] netlink_sendmsg+0x723/0xbe0 [ 4283.890135][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4283.890135][ T74] ___sys_sendmsg+0xee/0x170 [ 4283.890135][ T74] __sys_sendmsg+0xcd/0x170 [ 4283.890135][ T74] do_syscall_64+0xc6/0x1e0 [ 4283.890135][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4283.890135][ T74] [ 4283.891670][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4283.891670][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4283.891670][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4283.891670][ T74] ipv6_find_idev+0x102/0x170 [ 4283.891670][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4283.891670][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4283.891670][ T74] netlink_rcv_skb+0x130/0x360 [ 4283.891670][ T74] netlink_unicast+0x449/0x710 [ 4283.891670][ T74] netlink_sendmsg+0x723/0xbe0 [ 4283.891670][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4283.891670][ T74] ___sys_sendmsg+0xee/0x170 [ 4283.891670][ T74] __sys_sendmsg+0xcd/0x170 [ 4283.891670][ T74] do_syscall_64+0xc6/0x1e0 [ 4283.891670][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4283.891670][ T74] [ 4283.893365][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4283.893639][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4283.893639][ T74] dst_init+0x84/0x4a0 [ 4283.893639][ T74] dst_alloc+0x97/0x150 [ 4283.893639][ T74] ip6_dst_alloc+0x23/0x90 [ 4283.893639][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4283.893639][ T74] ip6_pol_route+0x56f/0x840 [ 4283.893639][ T74] fib6_rule_lookup+0x456/0x630 [ 4283.893639][ T74] ip6_route_input+0x59c/0xa50 [ 4283.893639][ T74] ipv6_rcv+0x397/0x810 [ 4283.893639][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4283.893639][ T74] process_backlog+0x101/0x620 [ 4283.893639][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4283.893639][ T74] net_rx_action+0x495/0xbe0 [ 4283.893639][ T74] __do_softirq+0x1b5/0x7f6 [ 4283.893639][ T74] [ 4283.895264][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4283.895264][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4283.895264][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4283.895264][ T74] fib6_nh_init+0xa22/0x1580 [ 4283.895264][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4283.895264][ T74] ip6_route_add+0x1c/0x140 [ 4283.895264][ T74] inet6_rtm_newroute+0x104/0x110 [ 4283.895264][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4283.895264][ T74] netlink_rcv_skb+0x130/0x360 [ 4283.895264][ T74] netlink_unicast+0x449/0x710 [ 4283.895264][ T74] netlink_sendmsg+0x723/0xbe0 [ 4283.895264][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4283.895264][ T74] ___sys_sendmsg+0xee/0x170 [ 4283.895264][ T74] __sys_sendmsg+0xcd/0x170 [ 4283.895264][ T74] do_syscall_64+0xc6/0x1e0 [ 4283.895264][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4283.895264][ T74] [ 4283.897135][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4283.897135][ T74] netdev_get_by_index+0x5e/0x80 [ 4283.897135][ T74] fib6_nh_init+0x3d8/0x1580 [ 4283.897135][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4283.897135][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4283.897135][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4283.897135][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4283.897135][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4283.897135][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4283.897135][ T74] addrconf_dad_begin+0x310/0x670 [ 4283.897135][ T74] addrconf_dad_work+0x10b/0xab0 [ 4283.897135][ T74] process_one_work+0x84d/0x18a0 [ 4283.897135][ T74] worker_thread+0x587/0xd30 [ 4283.897135][ T74] kthread+0x28a/0x350 [ 4283.897135][ T74] ret_from_fork+0x31/0x70 [ 4283.897135][ T74] ret_from_fork_asm+0x1a/0x30 [ 4283.897135][ T74] [ 4283.899051][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4283.899051][ T74] netdev_get_by_index+0x5e/0x80 [ 4283.899051][ T74] fib6_nh_init+0x3d8/0x1580 [ 4283.899051][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4283.899051][ T74] ip6_route_add+0x1c/0x140 [ 4283.899051][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4283.899051][ T74] inet6_addr_add+0x4f8/0xa40 [ 4283.899051][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4283.899051][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4283.899051][ T74] netlink_rcv_skb+0x130/0x360 [ 4283.899051][ T74] netlink_unicast+0x449/0x710 [ 4283.899051][ T74] netlink_sendmsg+0x723/0xbe0 [ 4283.899051][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4283.899051][ T74] ___sys_sendmsg+0xee/0x170 [ 4283.899051][ T74] __sys_sendmsg+0xcd/0x170 [ 4283.899051][ T74] do_syscall_64+0xc6/0x1e0 [ 4283.899051][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4283.899051][ T74] [ 4283.901042][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4283.901042][ T74] netdev_get_by_index+0x5e/0x80 [ 4283.901042][ T74] fib6_nh_init+0x3d8/0x1580 [ 4283.901042][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4283.901042][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4283.901042][ T74] ipv6_add_addr+0x411/0x2000 [ 4283.901042][ T74] inet6_addr_add+0x30e/0xa40 [ 4283.901042][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4283.901042][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4283.901042][ T74] netlink_rcv_skb+0x130/0x360 [ 4283.901042][ T74] netlink_unicast+0x449/0x710 [ 4283.901042][ T74] netlink_sendmsg+0x723/0xbe0 [ 4283.901042][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4283.901042][ T74] ___sys_sendmsg+0xee/0x170 [ 4283.901042][ T74] __sys_sendmsg+0xcd/0x170 [ 4283.901042][ T74] do_syscall_64+0xc6/0x1e0 [ 4283.901042][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4283.901042][ T74] [ 4283.903029][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4283.903029][ T74] netdev_get_by_index+0x5e/0x80 [ 4283.903029][ T74] fib6_nh_init+0x3d8/0x1580 [ 4283.903029][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4283.903029][ T74] ip6_route_add+0x1c/0x140 [ 4283.903029][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4283.903029][ T74] addrconf_add_dev+0xe2/0x170 [ 4283.903029][ T74] inet6_addr_add+0x12f/0xa40 [ 4283.903029][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4283.903029][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4283.903029][ T74] netlink_rcv_skb+0x130/0x360 [ 4283.903029][ T74] netlink_unicast+0x449/0x710 [ 4283.903029][ T74] netlink_sendmsg+0x723/0xbe0 [ 4283.903029][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4283.903029][ T74] ___sys_sendmsg+0xee/0x170 [ 4283.903029][ T74] __sys_sendmsg+0xcd/0x170 [ 4283.903029][ T74] do_syscall_64+0xc6/0x1e0 [ 4283.903029][ T74] [ 4283.904982][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4283.904982][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4283.904982][ T74] ipv6_find_idev+0x102/0x170 [ 4283.904982][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4283.904982][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4283.904982][ T74] netlink_rcv_skb+0x130/0x360 [ 4283.904982][ T74] netlink_unicast+0x449/0x710 [ 4283.904982][ T74] netlink_sendmsg+0x723/0xbe0 [ 4283.904982][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4283.904982][ T74] ___sys_sendmsg+0xee/0x170 [ 4283.904982][ T74] __sys_sendmsg+0xcd/0x170 [ 4283.904982][ T74] do_syscall_64+0xc6/0x1e0 [ 4283.904982][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4283.904982][ T74] [ 4283.906656][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4283.906656][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4283.906656][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4283.906656][ T74] ipv6_find_idev+0x102/0x170 [ 4283.906656][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4283.906656][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4283.906656][ T74] netlink_rcv_skb+0x130/0x360 [ 4283.906656][ T74] netlink_unicast+0x449/0x710 [ 4283.906656][ T74] netlink_sendmsg+0x723/0xbe0 [ 4283.906656][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4283.906656][ T74] ___sys_sendmsg+0xee/0x170 [ 4283.906656][ T74] __sys_sendmsg+0xcd/0x170 [ 4283.906656][ T74] do_syscall_64+0xc6/0x1e0 [ 4283.906656][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4283.906656][ T74] [ 4283.908648][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4283.908887][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4283.908887][ T74] netdev_get_by_index+0x5e/0x80 [ 4283.908887][ T74] fib6_nh_init+0x3d8/0x1580 [ 4283.908887][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4283.908887][ T74] ip6_route_add+0x1c/0x140 [ 4283.908887][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4283.908887][ T74] inet6_addr_add+0x4f8/0xa40 [ 4283.908887][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4283.908887][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4283.908887][ T74] netlink_rcv_skb+0x130/0x360 [ 4283.908887][ T74] netlink_unicast+0x449/0x710 [ 4283.908887][ T74] netlink_sendmsg+0x723/0xbe0 [ 4283.908887][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4283.908887][ T74] ___sys_sendmsg+0xee/0x170 [ 4283.908887][ T74] __sys_sendmsg+0xcd/0x170 [ 4283.908887][ T74] do_syscall_64+0xc6/0x1e0 [ 4283.908887][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4283.908887][ T74] [ 4283.911137][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4283.911137][ T74] netdev_get_by_index+0x5e/0x80 [ 4283.911137][ T74] fib6_nh_init+0x3d8/0x1580 [ 4283.911137][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4283.911137][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4283.911137][ T74] ipv6_add_addr+0x411/0x2000 [ 4283.911137][ T74] inet6_addr_add+0x30e/0xa40 [ 4283.911137][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4283.911137][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4283.911137][ T74] netlink_rcv_skb+0x130/0x360 [ 4283.911137][ T74] netlink_unicast+0x449/0x710 [ 4283.911137][ T74] netlink_sendmsg+0x723/0xbe0 [ 4283.911137][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4283.911137][ T74] ___sys_sendmsg+0xee/0x170 [ 4283.911137][ T74] __sys_sendmsg+0xcd/0x170 [ 4283.911137][ T74] do_syscall_64+0xc6/0x1e0 [ 4283.911137][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4283.911137][ T74] [ 4283.913372][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4283.913372][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4283.913372][ T74] ipv6_find_idev+0x102/0x170 [ 4283.913372][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4283.913372][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4283.913372][ T74] netlink_rcv_skb+0x130/0x360 [ 4283.913372][ T74] netlink_unicast+0x449/0x710 [ 4283.913372][ T74] netlink_sendmsg+0x723/0xbe0 [ 4283.913372][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4283.913372][ T74] ___sys_sendmsg+0xee/0x170 [ 4283.913372][ T74] __sys_sendmsg+0xcd/0x170 [ 4283.913372][ T74] do_syscall_64+0xc6/0x1e0 [ 4283.913372][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4283.913372][ T74] [ 4283.915037][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4283.915037][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4283.915037][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4283.915037][ T74] ipv6_find_idev+0x102/0x170 [ 4283.915037][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4283.915037][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4283.915037][ T74] netlink_rcv_skb+0x130/0x360 [ 4283.915037][ T74] netlink_unicast+0x449/0x710 [ 4283.915037][ T74] netlink_sendmsg+0x723/0xbe0 [ 4283.915037][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4283.915037][ T74] ___sys_sendmsg+0xee/0x170 [ 4283.915037][ T74] __sys_sendmsg+0xcd/0x170 [ 4283.915037][ T74] do_syscall_64+0xc6/0x1e0 [ 4283.915037][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4283.915037][ T74] [ 4294.159987][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4294.160456][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4294.160456][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4294.160456][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4294.160456][ T74] fib6_nh_init+0xa22/0x1580 [ 4294.160456][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4294.160456][ T74] ip6_route_add+0x1c/0x140 [ 4294.160456][ T74] inet6_rtm_newroute+0x104/0x110 [ 4294.160456][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4294.160456][ T74] netlink_rcv_skb+0x130/0x360 [ 4294.160456][ T74] netlink_unicast+0x449/0x710 [ 4294.160456][ T74] netlink_sendmsg+0x723/0xbe0 [ 4294.160456][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4294.160456][ T74] ___sys_sendmsg+0xee/0x170 [ 4294.160456][ T74] __sys_sendmsg+0xcd/0x170 [ 4294.160456][ T74] do_syscall_64+0xc6/0x1e0 [ 4294.160456][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4294.160456][ T74] [ 4294.162345][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4294.162345][ T74] netdev_get_by_index+0x5e/0x80 [ 4294.162345][ T74] fib6_nh_init+0x3d8/0x1580 [ 4294.162345][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4294.162345][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4294.162345][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4294.162345][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4294.162345][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4294.162345][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4294.162345][ T74] addrconf_dad_begin+0x310/0x670 [ 4294.162345][ T74] addrconf_dad_work+0x10b/0xab0 [ 4294.162345][ T74] process_one_work+0x84d/0x18a0 [ 4294.162345][ T74] worker_thread+0x587/0xd30 [ 4294.162345][ T74] kthread+0x28a/0x350 [ 4294.162345][ T74] ret_from_fork+0x31/0x70 [ 4294.162345][ T74] ret_from_fork_asm+0x1a/0x30 [ 4294.162345][ T74] [ 4294.164261][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4294.164261][ T74] netdev_get_by_index+0x5e/0x80 [ 4294.164261][ T74] fib6_nh_init+0x3d8/0x1580 [ 4294.164261][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4294.164261][ T74] ip6_route_add+0x1c/0x140 [ 4294.164261][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4294.164261][ T74] inet6_addr_add+0x4f8/0xa40 [ 4294.164261][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4294.164261][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4294.164261][ T74] netlink_rcv_skb+0x130/0x360 [ 4294.164261][ T74] netlink_unicast+0x449/0x710 [ 4294.164261][ T74] netlink_sendmsg+0x723/0xbe0 [ 4294.164261][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4294.164261][ T74] ___sys_sendmsg+0xee/0x170 [ 4294.164261][ T74] __sys_sendmsg+0xcd/0x170 [ 4294.164261][ T74] do_syscall_64+0xc6/0x1e0 [ 4294.164261][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4294.164261][ T74] [ 4294.166256][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4294.166256][ T74] netdev_get_by_index+0x5e/0x80 [ 4294.166256][ T74] fib6_nh_init+0x3d8/0x1580 [ 4294.166256][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4294.166256][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4294.166256][ T74] ipv6_add_addr+0x411/0x2000 [ 4294.166256][ T74] inet6_addr_add+0x30e/0xa40 [ 4294.166256][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4294.166256][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4294.166256][ T74] netlink_rcv_skb+0x130/0x360 [ 4294.166256][ T74] netlink_unicast+0x449/0x710 [ 4294.166256][ T74] netlink_sendmsg+0x723/0xbe0 [ 4294.166256][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4294.166256][ T74] ___sys_sendmsg+0xee/0x170 [ 4294.166256][ T74] __sys_sendmsg+0xcd/0x170 [ 4294.166256][ T74] do_syscall_64+0xc6/0x1e0 [ 4294.166256][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4294.166256][ T74] [ 4294.168258][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4294.168258][ T74] netdev_get_by_index+0x5e/0x80 [ 4294.168258][ T74] fib6_nh_init+0x3d8/0x1580 [ 4294.168258][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4294.168258][ T74] ip6_route_add+0x1c/0x140 [ 4294.168258][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4294.168258][ T74] addrconf_add_dev+0xe2/0x170 [ 4294.168258][ T74] inet6_addr_add+0x12f/0xa40 [ 4294.168258][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4294.168258][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4294.168258][ T74] netlink_rcv_skb+0x130/0x360 [ 4294.168258][ T74] netlink_unicast+0x449/0x710 [ 4294.168258][ T74] netlink_sendmsg+0x723/0xbe0 [ 4294.168258][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4294.168258][ T74] ___sys_sendmsg+0xee/0x170 [ 4294.168258][ T74] __sys_sendmsg+0xcd/0x170 [ 4294.168258][ T74] do_syscall_64+0xc6/0x1e0 [ 4294.168258][ T74] [ 4294.170228][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4294.170228][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4294.170228][ T74] ipv6_find_idev+0x102/0x170 [ 4294.170228][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4294.170228][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4294.170228][ T74] netlink_rcv_skb+0x130/0x360 [ 4294.170228][ T74] netlink_unicast+0x449/0x710 [ 4294.170228][ T74] netlink_sendmsg+0x723/0xbe0 [ 4294.170228][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4294.170228][ T74] ___sys_sendmsg+0xee/0x170 [ 4294.170228][ T74] __sys_sendmsg+0xcd/0x170 [ 4294.170228][ T74] do_syscall_64+0xc6/0x1e0 [ 4294.170228][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4294.170228][ T74] [ 4294.171799][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4294.171799][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4294.171799][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4294.171799][ T74] ipv6_find_idev+0x102/0x170 [ 4294.171799][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4294.171799][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4294.171799][ T74] netlink_rcv_skb+0x130/0x360 [ 4294.171799][ T74] netlink_unicast+0x449/0x710 [ 4294.171799][ T74] netlink_sendmsg+0x723/0xbe0 [ 4294.171799][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4294.171799][ T74] ___sys_sendmsg+0xee/0x170 [ 4294.171799][ T74] __sys_sendmsg+0xcd/0x170 [ 4294.171799][ T74] do_syscall_64+0xc6/0x1e0 [ 4294.171799][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4294.171799][ T74] [ 4294.173512][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4294.173787][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4294.173787][ T74] dst_init+0x84/0x4a0 [ 4294.173787][ T74] dst_alloc+0x97/0x150 [ 4294.173787][ T74] ip6_dst_alloc+0x23/0x90 [ 4294.173787][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4294.173787][ T74] ip6_pol_route+0x56f/0x840 [ 4294.173787][ T74] fib6_rule_lookup+0x456/0x630 [ 4294.173787][ T74] ip6_route_input+0x59c/0xa50 [ 4294.173787][ T74] ipv6_rcv+0x397/0x810 [ 4294.173787][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4294.173787][ T74] process_backlog+0x101/0x620 [ 4294.173787][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4294.173787][ T74] net_rx_action+0x495/0xbe0 [ 4294.173787][ T74] __do_softirq+0x1b5/0x7f6 [ 4294.173787][ T74] [ 4294.175428][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4294.175428][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4294.175428][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4294.175428][ T74] fib6_nh_init+0xa22/0x1580 [ 4294.175428][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4294.175428][ T74] ip6_route_add+0x1c/0x140 [ 4294.175428][ T74] inet6_rtm_newroute+0x104/0x110 [ 4294.175428][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4294.175428][ T74] netlink_rcv_skb+0x130/0x360 [ 4294.175428][ T74] netlink_unicast+0x449/0x710 [ 4294.175428][ T74] netlink_sendmsg+0x723/0xbe0 [ 4294.175428][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4294.175428][ T74] ___sys_sendmsg+0xee/0x170 [ 4294.175428][ T74] __sys_sendmsg+0xcd/0x170 [ 4294.175428][ T74] do_syscall_64+0xc6/0x1e0 [ 4294.175428][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4294.175428][ T74] [ 4294.177320][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4294.177320][ T74] netdev_get_by_index+0x5e/0x80 [ 4294.177320][ T74] fib6_nh_init+0x3d8/0x1580 [ 4294.177320][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4294.177320][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4294.177320][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4294.177320][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4294.177320][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4294.177320][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4294.177320][ T74] addrconf_dad_begin+0x310/0x670 [ 4294.177320][ T74] addrconf_dad_work+0x10b/0xab0 [ 4294.177320][ T74] process_one_work+0x84d/0x18a0 [ 4294.177320][ T74] worker_thread+0x587/0xd30 [ 4294.177320][ T74] kthread+0x28a/0x350 [ 4294.177320][ T74] ret_from_fork+0x31/0x70 [ 4294.177320][ T74] ret_from_fork_asm+0x1a/0x30 [ 4294.177320][ T74] [ 4294.179251][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4294.179251][ T74] netdev_get_by_index+0x5e/0x80 [ 4294.179251][ T74] fib6_nh_init+0x3d8/0x1580 [ 4294.179251][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4294.179251][ T74] ip6_route_add+0x1c/0x140 [ 4294.179251][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4294.179251][ T74] inet6_addr_add+0x4f8/0xa40 [ 4294.179251][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4294.179251][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4294.179251][ T74] netlink_rcv_skb+0x130/0x360 [ 4294.179251][ T74] netlink_unicast+0x449/0x710 [ 4294.179251][ T74] netlink_sendmsg+0x723/0xbe0 [ 4294.179251][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4294.179251][ T74] ___sys_sendmsg+0xee/0x170 [ 4294.179251][ T74] __sys_sendmsg+0xcd/0x170 [ 4294.179251][ T74] do_syscall_64+0xc6/0x1e0 [ 4294.179251][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4294.179251][ T74] [ 4294.181256][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4294.181256][ T74] netdev_get_by_index+0x5e/0x80 [ 4294.181256][ T74] fib6_nh_init+0x3d8/0x1580 [ 4294.181256][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4294.181256][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4294.181256][ T74] ipv6_add_addr+0x411/0x2000 [ 4294.181256][ T74] inet6_addr_add+0x30e/0xa40 [ 4294.181256][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4294.181256][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4294.181256][ T74] netlink_rcv_skb+0x130/0x360 [ 4294.181256][ T74] netlink_unicast+0x449/0x710 [ 4294.181256][ T74] netlink_sendmsg+0x723/0xbe0 [ 4294.181256][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4294.181256][ T74] ___sys_sendmsg+0xee/0x170 [ 4294.181256][ T74] __sys_sendmsg+0xcd/0x170 [ 4294.181256][ T74] do_syscall_64+0xc6/0x1e0 [ 4294.181256][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4294.181256][ T74] [ 4294.183255][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4294.183255][ T74] netdev_get_by_index+0x5e/0x80 [ 4294.183255][ T74] fib6_nh_init+0x3d8/0x1580 [ 4294.183255][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4294.183255][ T74] ip6_route_add+0x1c/0x140 [ 4294.183255][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4294.183255][ T74] addrconf_add_dev+0xe2/0x170 [ 4294.183255][ T74] inet6_addr_add+0x12f/0xa40 [ 4294.183255][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4294.183255][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4294.183255][ T74] netlink_rcv_skb+0x130/0x360 [ 4294.183255][ T74] netlink_unicast+0x449/0x710 [ 4294.183255][ T74] netlink_sendmsg+0x723/0xbe0 [ 4294.183255][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4294.183255][ T74] ___sys_sendmsg+0xee/0x170 [ 4294.183255][ T74] __sys_sendmsg+0xcd/0x170 [ 4294.183255][ T74] do_syscall_64+0xc6/0x1e0 [ 4294.183255][ T74] [ 4294.185222][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4294.185222][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4294.185222][ T74] ipv6_find_idev+0x102/0x170 [ 4294.185222][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4294.185222][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4294.185222][ T74] netlink_rcv_skb+0x130/0x360 [ 4294.185222][ T74] netlink_unicast+0x449/0x710 [ 4294.185222][ T74] netlink_sendmsg+0x723/0xbe0 [ 4294.185222][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4294.185222][ T74] ___sys_sendmsg+0xee/0x170 [ 4294.185222][ T74] __sys_sendmsg+0xcd/0x170 [ 4294.185222][ T74] do_syscall_64+0xc6/0x1e0 [ 4294.185222][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4294.185222][ T74] [ 4294.186947][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4294.186947][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4294.186947][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4294.186947][ T74] ipv6_find_idev+0x102/0x170 [ 4294.186947][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4294.186947][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4294.186947][ T74] netlink_rcv_skb+0x130/0x360 [ 4294.186947][ T74] netlink_unicast+0x449/0x710 [ 4294.186947][ T74] netlink_sendmsg+0x723/0xbe0 [ 4294.186947][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4294.186947][ T74] ___sys_sendmsg+0xee/0x170 [ 4294.186947][ T74] __sys_sendmsg+0xcd/0x170 [ 4294.186947][ T74] do_syscall_64+0xc6/0x1e0 [ 4294.186947][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4294.186947][ T74] [ 4294.188891][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4294.189127][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4294.189127][ T74] netdev_get_by_index+0x5e/0x80 [ 4294.189127][ T74] fib6_nh_init+0x3d8/0x1580 [ 4294.189127][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4294.189127][ T74] ip6_route_add+0x1c/0x140 [ 4294.189127][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4294.189127][ T74] inet6_addr_add+0x4f8/0xa40 [ 4294.189127][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4294.189127][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4294.189127][ T74] netlink_rcv_skb+0x130/0x360 [ 4294.189127][ T74] netlink_unicast+0x449/0x710 [ 4294.189127][ T74] netlink_sendmsg+0x723/0xbe0 [ 4294.189127][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4294.189127][ T74] ___sys_sendmsg+0xee/0x170 [ 4294.189127][ T74] __sys_sendmsg+0xcd/0x170 [ 4294.189127][ T74] do_syscall_64+0xc6/0x1e0 [ 4294.189127][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4294.189127][ T74] [ 4294.191375][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4294.191375][ T74] netdev_get_by_index+0x5e/0x80 [ 4294.191375][ T74] fib6_nh_init+0x3d8/0x1580 [ 4294.191375][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4294.191375][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4294.191375][ T74] ipv6_add_addr+0x411/0x2000 [ 4294.191375][ T74] inet6_addr_add+0x30e/0xa40 [ 4294.191375][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4294.191375][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4294.191375][ T74] netlink_rcv_skb+0x130/0x360 [ 4294.191375][ T74] netlink_unicast+0x449/0x710 [ 4294.191375][ T74] netlink_sendmsg+0x723/0xbe0 [ 4294.191375][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4294.191375][ T74] ___sys_sendmsg+0xee/0x170 [ 4294.191375][ T74] __sys_sendmsg+0xcd/0x170 [ 4294.191375][ T74] do_syscall_64+0xc6/0x1e0 [ 4294.191375][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4294.191375][ T74] [ 4294.193616][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4294.193616][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4294.193616][ T74] ipv6_find_idev+0x102/0x170 [ 4294.193616][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4294.193616][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4294.193616][ T74] netlink_rcv_skb+0x130/0x360 [ 4294.193616][ T74] netlink_unicast+0x449/0x710 [ 4294.193616][ T74] netlink_sendmsg+0x723/0xbe0 [ 4294.193616][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4294.193616][ T74] ___sys_sendmsg+0xee/0x170 [ 4294.193616][ T74] __sys_sendmsg+0xcd/0x170 [ 4294.193616][ T74] do_syscall_64+0xc6/0x1e0 [ 4294.193616][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4294.193616][ T74] [ 4294.195285][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4294.195285][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4294.195285][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4294.195285][ T74] ipv6_find_idev+0x102/0x170 [ 4294.195285][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4294.195285][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4294.195285][ T74] netlink_rcv_skb+0x130/0x360 [ 4294.195285][ T74] netlink_unicast+0x449/0x710 [ 4294.195285][ T74] netlink_sendmsg+0x723/0xbe0 [ 4294.195285][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4294.195285][ T74] ___sys_sendmsg+0xee/0x170 [ 4294.195285][ T74] __sys_sendmsg+0xcd/0x170 [ 4294.195285][ T74] do_syscall_64+0xc6/0x1e0 [ 4294.195285][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4294.195285][ T74] [ 4304.439953][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4304.440376][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4304.440376][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4304.440376][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4304.440376][ T74] fib6_nh_init+0xa22/0x1580 [ 4304.440376][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4304.440376][ T74] ip6_route_add+0x1c/0x140 [ 4304.440376][ T74] inet6_rtm_newroute+0x104/0x110 [ 4304.440376][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4304.440376][ T74] netlink_rcv_skb+0x130/0x360 [ 4304.440376][ T74] netlink_unicast+0x449/0x710 [ 4304.440376][ T74] netlink_sendmsg+0x723/0xbe0 [ 4304.440376][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4304.440376][ T74] ___sys_sendmsg+0xee/0x170 [ 4304.440376][ T74] __sys_sendmsg+0xcd/0x170 [ 4304.440376][ T74] do_syscall_64+0xc6/0x1e0 [ 4304.440376][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4304.440376][ T74] [ 4304.442300][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4304.442300][ T74] netdev_get_by_index+0x5e/0x80 [ 4304.442300][ T74] fib6_nh_init+0x3d8/0x1580 [ 4304.442300][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4304.442300][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4304.442300][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4304.442300][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4304.442300][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4304.442300][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4304.442300][ T74] addrconf_dad_begin+0x310/0x670 [ 4304.442300][ T74] addrconf_dad_work+0x10b/0xab0 [ 4304.442300][ T74] process_one_work+0x84d/0x18a0 [ 4304.442300][ T74] worker_thread+0x587/0xd30 [ 4304.442300][ T74] kthread+0x28a/0x350 [ 4304.442300][ T74] ret_from_fork+0x31/0x70 [ 4304.442300][ T74] ret_from_fork_asm+0x1a/0x30 [ 4304.442300][ T74] [ 4304.444238][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4304.444238][ T74] netdev_get_by_index+0x5e/0x80 [ 4304.444238][ T74] fib6_nh_init+0x3d8/0x1580 [ 4304.444238][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4304.444238][ T74] ip6_route_add+0x1c/0x140 [ 4304.444238][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4304.444238][ T74] inet6_addr_add+0x4f8/0xa40 [ 4304.444238][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4304.444238][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4304.444238][ T74] netlink_rcv_skb+0x130/0x360 [ 4304.444238][ T74] netlink_unicast+0x449/0x710 [ 4304.444238][ T74] netlink_sendmsg+0x723/0xbe0 [ 4304.444238][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4304.444238][ T74] ___sys_sendmsg+0xee/0x170 [ 4304.444238][ T74] __sys_sendmsg+0xcd/0x170 [ 4304.444238][ T74] do_syscall_64+0xc6/0x1e0 [ 4304.444238][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4304.444238][ T74] [ 4304.446222][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4304.446222][ T74] netdev_get_by_index+0x5e/0x80 [ 4304.446222][ T74] fib6_nh_init+0x3d8/0x1580 [ 4304.446222][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4304.446222][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4304.446222][ T74] ipv6_add_addr+0x411/0x2000 [ 4304.446222][ T74] inet6_addr_add+0x30e/0xa40 [ 4304.446222][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4304.446222][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4304.446222][ T74] netlink_rcv_skb+0x130/0x360 [ 4304.446222][ T74] netlink_unicast+0x449/0x710 [ 4304.446222][ T74] netlink_sendmsg+0x723/0xbe0 [ 4304.446222][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4304.446222][ T74] ___sys_sendmsg+0xee/0x170 [ 4304.446222][ T74] __sys_sendmsg+0xcd/0x170 [ 4304.446222][ T74] do_syscall_64+0xc6/0x1e0 [ 4304.446222][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4304.446222][ T74] [ 4304.448213][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4304.448213][ T74] netdev_get_by_index+0x5e/0x80 [ 4304.448213][ T74] fib6_nh_init+0x3d8/0x1580 [ 4304.448213][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4304.448213][ T74] ip6_route_add+0x1c/0x140 [ 4304.448213][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4304.448213][ T74] addrconf_add_dev+0xe2/0x170 [ 4304.448213][ T74] inet6_addr_add+0x12f/0xa40 [ 4304.448213][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4304.448213][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4304.448213][ T74] netlink_rcv_skb+0x130/0x360 [ 4304.448213][ T74] netlink_unicast+0x449/0x710 [ 4304.448213][ T74] netlink_sendmsg+0x723/0xbe0 [ 4304.448213][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4304.448213][ T74] ___sys_sendmsg+0xee/0x170 [ 4304.448213][ T74] __sys_sendmsg+0xcd/0x170 [ 4304.448213][ T74] do_syscall_64+0xc6/0x1e0 [ 4304.448213][ T74] [ 4304.450179][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4304.450179][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4304.450179][ T74] ipv6_find_idev+0x102/0x170 [ 4304.450179][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4304.450179][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4304.450179][ T74] netlink_rcv_skb+0x130/0x360 [ 4304.450179][ T74] netlink_unicast+0x449/0x710 [ 4304.450179][ T74] netlink_sendmsg+0x723/0xbe0 [ 4304.450179][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4304.450179][ T74] ___sys_sendmsg+0xee/0x170 [ 4304.450179][ T74] __sys_sendmsg+0xcd/0x170 [ 4304.450179][ T74] do_syscall_64+0xc6/0x1e0 [ 4304.450179][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4304.450179][ T74] [ 4304.451711][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4304.451711][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4304.451711][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4304.451711][ T74] ipv6_find_idev+0x102/0x170 [ 4304.451711][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4304.451711][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4304.451711][ T74] netlink_rcv_skb+0x130/0x360 [ 4304.451711][ T74] netlink_unicast+0x449/0x710 [ 4304.451711][ T74] netlink_sendmsg+0x723/0xbe0 [ 4304.451711][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4304.451711][ T74] ___sys_sendmsg+0xee/0x170 [ 4304.451711][ T74] __sys_sendmsg+0xcd/0x170 [ 4304.451711][ T74] do_syscall_64+0xc6/0x1e0 [ 4304.451711][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4304.451711][ T74] [ 4304.453390][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4304.453674][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4304.453674][ T74] dst_init+0x84/0x4a0 [ 4304.453674][ T74] dst_alloc+0x97/0x150 [ 4304.453674][ T74] ip6_dst_alloc+0x23/0x90 [ 4304.453674][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4304.453674][ T74] ip6_pol_route+0x56f/0x840 [ 4304.453674][ T74] fib6_rule_lookup+0x456/0x630 [ 4304.453674][ T74] ip6_route_input+0x59c/0xa50 [ 4304.453674][ T74] ipv6_rcv+0x397/0x810 [ 4304.453674][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4304.453674][ T74] process_backlog+0x101/0x620 [ 4304.453674][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4304.453674][ T74] net_rx_action+0x495/0xbe0 [ 4304.453674][ T74] __do_softirq+0x1b5/0x7f6 [ 4304.453674][ T74] [ 4304.455305][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4304.455305][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4304.455305][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4304.455305][ T74] fib6_nh_init+0xa22/0x1580 [ 4304.455305][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4304.455305][ T74] ip6_route_add+0x1c/0x140 [ 4304.455305][ T74] inet6_rtm_newroute+0x104/0x110 [ 4304.455305][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4304.455305][ T74] netlink_rcv_skb+0x130/0x360 [ 4304.455305][ T74] netlink_unicast+0x449/0x710 [ 4304.455305][ T74] netlink_sendmsg+0x723/0xbe0 [ 4304.455305][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4304.455305][ T74] ___sys_sendmsg+0xee/0x170 [ 4304.455305][ T74] __sys_sendmsg+0xcd/0x170 [ 4304.455305][ T74] do_syscall_64+0xc6/0x1e0 [ 4304.455305][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4304.455305][ T74] [ 4304.457175][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4304.457175][ T74] netdev_get_by_index+0x5e/0x80 [ 4304.457175][ T74] fib6_nh_init+0x3d8/0x1580 [ 4304.457175][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4304.457175][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4304.457175][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4304.457175][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4304.457175][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4304.457175][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4304.457175][ T74] addrconf_dad_begin+0x310/0x670 [ 4304.457175][ T74] addrconf_dad_work+0x10b/0xab0 [ 4304.457175][ T74] process_one_work+0x84d/0x18a0 [ 4304.457175][ T74] worker_thread+0x587/0xd30 [ 4304.457175][ T74] kthread+0x28a/0x350 [ 4304.457175][ T74] ret_from_fork+0x31/0x70 [ 4304.457175][ T74] ret_from_fork_asm+0x1a/0x30 [ 4304.457175][ T74] [ 4304.459079][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4304.459079][ T74] netdev_get_by_index+0x5e/0x80 [ 4304.459079][ T74] fib6_nh_init+0x3d8/0x1580 [ 4304.459079][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4304.459079][ T74] ip6_route_add+0x1c/0x140 [ 4304.459079][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4304.459079][ T74] inet6_addr_add+0x4f8/0xa40 [ 4304.459079][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4304.459079][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4304.459079][ T74] netlink_rcv_skb+0x130/0x360 [ 4304.459079][ T74] netlink_unicast+0x449/0x710 [ 4304.459079][ T74] netlink_sendmsg+0x723/0xbe0 [ 4304.459079][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4304.459079][ T74] ___sys_sendmsg+0xee/0x170 [ 4304.459079][ T74] __sys_sendmsg+0xcd/0x170 [ 4304.459079][ T74] do_syscall_64+0xc6/0x1e0 [ 4304.459079][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4304.459079][ T74] [ 4304.461064][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4304.461064][ T74] netdev_get_by_index+0x5e/0x80 [ 4304.461064][ T74] fib6_nh_init+0x3d8/0x1580 [ 4304.461064][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4304.461064][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4304.461064][ T74] ipv6_add_addr+0x411/0x2000 [ 4304.461064][ T74] inet6_addr_add+0x30e/0xa40 [ 4304.461064][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4304.461064][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4304.461064][ T74] netlink_rcv_skb+0x130/0x360 [ 4304.461064][ T74] netlink_unicast+0x449/0x710 [ 4304.461064][ T74] netlink_sendmsg+0x723/0xbe0 [ 4304.461064][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4304.461064][ T74] ___sys_sendmsg+0xee/0x170 [ 4304.461064][ T74] __sys_sendmsg+0xcd/0x170 [ 4304.461064][ T74] do_syscall_64+0xc6/0x1e0 [ 4304.461064][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4304.461064][ T74] [ 4304.463048][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4304.463048][ T74] netdev_get_by_index+0x5e/0x80 [ 4304.463048][ T74] fib6_nh_init+0x3d8/0x1580 [ 4304.463048][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4304.463048][ T74] ip6_route_add+0x1c/0x140 [ 4304.463048][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4304.463048][ T74] addrconf_add_dev+0xe2/0x170 [ 4304.463048][ T74] inet6_addr_add+0x12f/0xa40 [ 4304.463048][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4304.463048][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4304.463048][ T74] netlink_rcv_skb+0x130/0x360 [ 4304.463048][ T74] netlink_unicast+0x449/0x710 [ 4304.463048][ T74] netlink_sendmsg+0x723/0xbe0 [ 4304.463048][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4304.463048][ T74] ___sys_sendmsg+0xee/0x170 [ 4304.463048][ T74] __sys_sendmsg+0xcd/0x170 [ 4304.463048][ T74] do_syscall_64+0xc6/0x1e0 [ 4304.463048][ T74] [ 4304.465009][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4304.465009][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4304.465009][ T74] ipv6_find_idev+0x102/0x170 [ 4304.465009][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4304.465009][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4304.465009][ T74] netlink_rcv_skb+0x130/0x360 [ 4304.465009][ T74] netlink_unicast+0x449/0x710 [ 4304.465009][ T74] netlink_sendmsg+0x723/0xbe0 [ 4304.465009][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4304.465009][ T74] ___sys_sendmsg+0xee/0x170 [ 4304.465009][ T74] __sys_sendmsg+0xcd/0x170 [ 4304.465009][ T74] do_syscall_64+0xc6/0x1e0 [ 4304.465009][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4304.465009][ T74] [ 4304.466672][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4304.466672][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4304.466672][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4304.466672][ T74] ipv6_find_idev+0x102/0x170 [ 4304.466672][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4304.466672][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4304.466672][ T74] netlink_rcv_skb+0x130/0x360 [ 4304.466672][ T74] netlink_unicast+0x449/0x710 [ 4304.466672][ T74] netlink_sendmsg+0x723/0xbe0 [ 4304.466672][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4304.466672][ T74] ___sys_sendmsg+0xee/0x170 [ 4304.466672][ T74] __sys_sendmsg+0xcd/0x170 [ 4304.466672][ T74] do_syscall_64+0xc6/0x1e0 [ 4304.466672][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4304.466672][ T74] [ 4304.468632][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4304.468871][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4304.468871][ T74] netdev_get_by_index+0x5e/0x80 [ 4304.468871][ T74] fib6_nh_init+0x3d8/0x1580 [ 4304.468871][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4304.468871][ T74] ip6_route_add+0x1c/0x140 [ 4304.468871][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4304.468871][ T74] inet6_addr_add+0x4f8/0xa40 [ 4304.468871][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4304.468871][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4304.468871][ T74] netlink_rcv_skb+0x130/0x360 [ 4304.468871][ T74] netlink_unicast+0x449/0x710 [ 4304.468871][ T74] netlink_sendmsg+0x723/0xbe0 [ 4304.468871][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4304.468871][ T74] ___sys_sendmsg+0xee/0x170 [ 4304.468871][ T74] __sys_sendmsg+0xcd/0x170 [ 4304.468871][ T74] do_syscall_64+0xc6/0x1e0 [ 4304.468871][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4304.468871][ T74] [ 4304.471097][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4304.471097][ T74] netdev_get_by_index+0x5e/0x80 [ 4304.471097][ T74] fib6_nh_init+0x3d8/0x1580 [ 4304.471097][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4304.471097][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4304.471097][ T74] ipv6_add_addr+0x411/0x2000 [ 4304.471097][ T74] inet6_addr_add+0x30e/0xa40 [ 4304.471097][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4304.471097][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4304.471097][ T74] netlink_rcv_skb+0x130/0x360 [ 4304.471097][ T74] netlink_unicast+0x449/0x710 [ 4304.471097][ T74] netlink_sendmsg+0x723/0xbe0 [ 4304.471097][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4304.471097][ T74] ___sys_sendmsg+0xee/0x170 [ 4304.471097][ T74] __sys_sendmsg+0xcd/0x170 [ 4304.471097][ T74] do_syscall_64+0xc6/0x1e0 [ 4304.471097][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4304.471097][ T74] [ 4304.473325][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4304.473325][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4304.473325][ T74] ipv6_find_idev+0x102/0x170 [ 4304.473325][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4304.473325][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4304.473325][ T74] netlink_rcv_skb+0x130/0x360 [ 4304.473325][ T74] netlink_unicast+0x449/0x710 [ 4304.473325][ T74] netlink_sendmsg+0x723/0xbe0 [ 4304.473325][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4304.473325][ T74] ___sys_sendmsg+0xee/0x170 [ 4304.473325][ T74] __sys_sendmsg+0xcd/0x170 [ 4304.473325][ T74] do_syscall_64+0xc6/0x1e0 [ 4304.473325][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4304.473325][ T74] [ 4304.474913][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4304.474913][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4304.474913][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4304.474913][ T74] ipv6_find_idev+0x102/0x170 [ 4304.474913][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4304.474913][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4304.474913][ T74] netlink_rcv_skb+0x130/0x360 [ 4304.474913][ T74] netlink_unicast+0x449/0x710 [ 4304.474913][ T74] netlink_sendmsg+0x723/0xbe0 [ 4304.474913][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4304.474913][ T74] ___sys_sendmsg+0xee/0x170 [ 4304.474913][ T74] __sys_sendmsg+0xcd/0x170 [ 4304.474913][ T74] do_syscall_64+0xc6/0x1e0 [ 4304.474913][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4304.474913][ T74] [ 4314.551985][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4314.552411][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4314.552411][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4314.552411][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4314.552411][ T74] fib6_nh_init+0xa22/0x1580 [ 4314.552411][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4314.552411][ T74] ip6_route_add+0x1c/0x140 [ 4314.552411][ T74] inet6_rtm_newroute+0x104/0x110 [ 4314.552411][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4314.552411][ T74] netlink_rcv_skb+0x130/0x360 [ 4314.552411][ T74] netlink_unicast+0x449/0x710 [ 4314.552411][ T74] netlink_sendmsg+0x723/0xbe0 [ 4314.552411][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4314.552411][ T74] ___sys_sendmsg+0xee/0x170 [ 4314.552411][ T74] __sys_sendmsg+0xcd/0x170 [ 4314.552411][ T74] do_syscall_64+0xc6/0x1e0 [ 4314.552411][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4314.552411][ T74] [ 4314.554338][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4314.554338][ T74] netdev_get_by_index+0x5e/0x80 [ 4314.554338][ T74] fib6_nh_init+0x3d8/0x1580 [ 4314.554338][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4314.554338][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4314.554338][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4314.554338][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4314.554338][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4314.554338][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4314.554338][ T74] addrconf_dad_begin+0x310/0x670 [ 4314.554338][ T74] addrconf_dad_work+0x10b/0xab0 [ 4314.554338][ T74] process_one_work+0x84d/0x18a0 [ 4314.554338][ T74] worker_thread+0x587/0xd30 [ 4314.554338][ T74] kthread+0x28a/0x350 [ 4314.554338][ T74] ret_from_fork+0x31/0x70 [ 4314.554338][ T74] ret_from_fork_asm+0x1a/0x30 [ 4314.554338][ T74] [ 4314.556257][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4314.556257][ T74] netdev_get_by_index+0x5e/0x80 [ 4314.556257][ T74] fib6_nh_init+0x3d8/0x1580 [ 4314.556257][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4314.556257][ T74] ip6_route_add+0x1c/0x140 [ 4314.556257][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4314.556257][ T74] inet6_addr_add+0x4f8/0xa40 [ 4314.556257][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4314.556257][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4314.556257][ T74] netlink_rcv_skb+0x130/0x360 [ 4314.556257][ T74] netlink_unicast+0x449/0x710 [ 4314.556257][ T74] netlink_sendmsg+0x723/0xbe0 [ 4314.556257][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4314.556257][ T74] ___sys_sendmsg+0xee/0x170 [ 4314.556257][ T74] __sys_sendmsg+0xcd/0x170 [ 4314.556257][ T74] do_syscall_64+0xc6/0x1e0 [ 4314.556257][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4314.556257][ T74] [ 4314.558274][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4314.558274][ T74] netdev_get_by_index+0x5e/0x80 [ 4314.558274][ T74] fib6_nh_init+0x3d8/0x1580 [ 4314.558274][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4314.558274][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4314.558274][ T74] ipv6_add_addr+0x411/0x2000 [ 4314.558274][ T74] inet6_addr_add+0x30e/0xa40 [ 4314.558274][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4314.558274][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4314.558274][ T74] netlink_rcv_skb+0x130/0x360 [ 4314.558274][ T74] netlink_unicast+0x449/0x710 [ 4314.558274][ T74] netlink_sendmsg+0x723/0xbe0 [ 4314.558274][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4314.558274][ T74] ___sys_sendmsg+0xee/0x170 [ 4314.558274][ T74] __sys_sendmsg+0xcd/0x170 [ 4314.558274][ T74] do_syscall_64+0xc6/0x1e0 [ 4314.558274][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4314.558274][ T74] [ 4314.560275][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4314.560275][ T74] netdev_get_by_index+0x5e/0x80 [ 4314.560275][ T74] fib6_nh_init+0x3d8/0x1580 [ 4314.560275][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4314.560275][ T74] ip6_route_add+0x1c/0x140 [ 4314.560275][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4314.560275][ T74] addrconf_add_dev+0xe2/0x170 [ 4314.560275][ T74] inet6_addr_add+0x12f/0xa40 [ 4314.560275][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4314.560275][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4314.560275][ T74] netlink_rcv_skb+0x130/0x360 [ 4314.560275][ T74] netlink_unicast+0x449/0x710 [ 4314.560275][ T74] netlink_sendmsg+0x723/0xbe0 [ 4314.560275][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4314.560275][ T74] ___sys_sendmsg+0xee/0x170 [ 4314.560275][ T74] __sys_sendmsg+0xcd/0x170 [ 4314.560275][ T74] do_syscall_64+0xc6/0x1e0 [ 4314.560275][ T74] [ 4314.562239][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4314.562239][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4314.562239][ T74] ipv6_find_idev+0x102/0x170 [ 4314.562239][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4314.562239][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4314.562239][ T74] netlink_rcv_skb+0x130/0x360 [ 4314.562239][ T74] netlink_unicast+0x449/0x710 [ 4314.562239][ T74] netlink_sendmsg+0x723/0xbe0 [ 4314.562239][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4314.562239][ T74] ___sys_sendmsg+0xee/0x170 [ 4314.562239][ T74] __sys_sendmsg+0xcd/0x170 [ 4314.562239][ T74] do_syscall_64+0xc6/0x1e0 [ 4314.562239][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4314.562239][ T74] [ 4314.563785][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4314.563785][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4314.563785][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4314.563785][ T74] ipv6_find_idev+0x102/0x170 [ 4314.563785][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4314.563785][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4314.563785][ T74] netlink_rcv_skb+0x130/0x360 [ 4314.563785][ T74] netlink_unicast+0x449/0x710 [ 4314.563785][ T74] netlink_sendmsg+0x723/0xbe0 [ 4314.563785][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4314.563785][ T74] ___sys_sendmsg+0xee/0x170 [ 4314.563785][ T74] __sys_sendmsg+0xcd/0x170 [ 4314.563785][ T74] do_syscall_64+0xc6/0x1e0 [ 4314.563785][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4314.563785][ T74] [ 4314.565490][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4314.565760][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4314.565760][ T74] dst_init+0x84/0x4a0 [ 4314.565760][ T74] dst_alloc+0x97/0x150 [ 4314.565760][ T74] ip6_dst_alloc+0x23/0x90 [ 4314.565760][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4314.565760][ T74] ip6_pol_route+0x56f/0x840 [ 4314.565760][ T74] fib6_rule_lookup+0x456/0x630 [ 4314.565760][ T74] ip6_route_input+0x59c/0xa50 [ 4314.565760][ T74] ipv6_rcv+0x397/0x810 [ 4314.565760][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4314.565760][ T74] process_backlog+0x101/0x620 [ 4314.565760][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4314.565760][ T74] net_rx_action+0x495/0xbe0 [ 4314.565760][ T74] __do_softirq+0x1b5/0x7f6 [ 4314.565760][ T74] [ 4314.567407][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4314.567407][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4314.567407][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4314.567407][ T74] fib6_nh_init+0xa22/0x1580 [ 4314.567407][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4314.567407][ T74] ip6_route_add+0x1c/0x140 [ 4314.567407][ T74] inet6_rtm_newroute+0x104/0x110 [ 4314.567407][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4314.567407][ T74] netlink_rcv_skb+0x130/0x360 [ 4314.567407][ T74] netlink_unicast+0x449/0x710 [ 4314.567407][ T74] netlink_sendmsg+0x723/0xbe0 [ 4314.567407][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4314.567407][ T74] ___sys_sendmsg+0xee/0x170 [ 4314.567407][ T74] __sys_sendmsg+0xcd/0x170 [ 4314.567407][ T74] do_syscall_64+0xc6/0x1e0 [ 4314.567407][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4314.567407][ T74] [ 4314.569311][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4314.569311][ T74] netdev_get_by_index+0x5e/0x80 [ 4314.569311][ T74] fib6_nh_init+0x3d8/0x1580 [ 4314.569311][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4314.569311][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4314.569311][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4314.569311][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4314.569311][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4314.569311][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4314.569311][ T74] addrconf_dad_begin+0x310/0x670 [ 4314.569311][ T74] addrconf_dad_work+0x10b/0xab0 [ 4314.569311][ T74] process_one_work+0x84d/0x18a0 [ 4314.569311][ T74] worker_thread+0x587/0xd30 [ 4314.569311][ T74] kthread+0x28a/0x350 [ 4314.569311][ T74] ret_from_fork+0x31/0x70 [ 4314.569311][ T74] ret_from_fork_asm+0x1a/0x30 [ 4314.569311][ T74] [ 4314.571861][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4314.571861][ T74] netdev_get_by_index+0x5e/0x80 [ 4314.571861][ T74] fib6_nh_init+0x3d8/0x1580 [ 4314.571861][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4314.571861][ T74] ip6_route_add+0x1c/0x140 [ 4314.571861][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4314.571861][ T74] inet6_addr_add+0x4f8/0xa40 [ 4314.571861][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4314.571861][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4314.571861][ T74] netlink_rcv_skb+0x130/0x360 [ 4314.571861][ T74] netlink_unicast+0x449/0x710 [ 4314.571861][ T74] netlink_sendmsg+0x723/0xbe0 [ 4314.571861][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4314.571861][ T74] ___sys_sendmsg+0xee/0x170 [ 4314.571861][ T74] __sys_sendmsg+0xcd/0x170 [ 4314.571861][ T74] do_syscall_64+0xc6/0x1e0 [ 4314.571861][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4314.571861][ T74] [ 4314.573872][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4314.573872][ T74] netdev_get_by_index+0x5e/0x80 [ 4314.573872][ T74] fib6_nh_init+0x3d8/0x1580 [ 4314.573872][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4314.573872][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4314.573872][ T74] ipv6_add_addr+0x411/0x2000 [ 4314.573872][ T74] inet6_addr_add+0x30e/0xa40 [ 4314.573872][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4314.573872][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4314.573872][ T74] netlink_rcv_skb+0x130/0x360 [ 4314.573872][ T74] netlink_unicast+0x449/0x710 [ 4314.573872][ T74] netlink_sendmsg+0x723/0xbe0 [ 4314.573872][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4314.573872][ T74] ___sys_sendmsg+0xee/0x170 [ 4314.573872][ T74] __sys_sendmsg+0xcd/0x170 [ 4314.573872][ T74] do_syscall_64+0xc6/0x1e0 [ 4314.573872][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4314.573872][ T74] [ 4314.578396][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4314.578396][ T74] netdev_get_by_index+0x5e/0x80 [ 4314.578396][ T74] fib6_nh_init+0x3d8/0x1580 [ 4314.578396][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4314.578396][ T74] ip6_route_add+0x1c/0x140 [ 4314.578396][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4314.578396][ T74] addrconf_add_dev+0xe2/0x170 [ 4314.578396][ T74] inet6_addr_add+0x12f/0xa40 [ 4314.578396][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4314.578396][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4314.578396][ T74] netlink_rcv_skb+0x130/0x360 [ 4314.578396][ T74] netlink_unicast+0x449/0x710 [ 4314.578396][ T74] netlink_sendmsg+0x723/0xbe0 [ 4314.578396][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4314.578396][ T74] ___sys_sendmsg+0xee/0x170 [ 4314.578396][ T74] __sys_sendmsg+0xcd/0x170 [ 4314.578396][ T74] do_syscall_64+0xc6/0x1e0 [ 4314.578396][ T74] [ 4314.580372][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4314.580372][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4314.580372][ T74] ipv6_find_idev+0x102/0x170 [ 4314.580372][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4314.580372][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4314.580372][ T74] netlink_rcv_skb+0x130/0x360 [ 4314.580372][ T74] netlink_unicast+0x449/0x710 [ 4314.580372][ T74] netlink_sendmsg+0x723/0xbe0 [ 4314.580372][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4314.580372][ T74] ___sys_sendmsg+0xee/0x170 [ 4314.580372][ T74] __sys_sendmsg+0xcd/0x170 [ 4314.580372][ T74] do_syscall_64+0xc6/0x1e0 [ 4314.580372][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4314.580372][ T74] [ 4314.582052][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4314.582052][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4314.582052][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4314.582052][ T74] ipv6_find_idev+0x102/0x170 [ 4314.582052][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4314.582052][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4314.582052][ T74] netlink_rcv_skb+0x130/0x360 [ 4314.582052][ T74] netlink_unicast+0x449/0x710 [ 4314.582052][ T74] netlink_sendmsg+0x723/0xbe0 [ 4314.582052][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4314.582052][ T74] ___sys_sendmsg+0xee/0x170 [ 4314.582052][ T74] __sys_sendmsg+0xcd/0x170 [ 4314.582052][ T74] do_syscall_64+0xc6/0x1e0 [ 4314.582052][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4314.582052][ T74] [ 4314.583885][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4314.584145][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4314.584145][ T74] netdev_get_by_index+0x5e/0x80 [ 4314.584145][ T74] fib6_nh_init+0x3d8/0x1580 [ 4314.584145][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4314.584145][ T74] ip6_route_add+0x1c/0x140 [ 4314.584145][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4314.584145][ T74] inet6_addr_add+0x4f8/0xa40 [ 4314.584145][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4314.584145][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4314.584145][ T74] netlink_rcv_skb+0x130/0x360 [ 4314.584145][ T74] netlink_unicast+0x449/0x710 [ 4314.584145][ T74] netlink_sendmsg+0x723/0xbe0 [ 4314.584145][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4314.584145][ T74] ___sys_sendmsg+0xee/0x170 [ 4314.584145][ T74] __sys_sendmsg+0xcd/0x170 [ 4314.584145][ T74] do_syscall_64+0xc6/0x1e0 [ 4314.584145][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4314.584145][ T74] [ 4314.586270][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4314.586270][ T74] netdev_get_by_index+0x5e/0x80 [ 4314.586270][ T74] fib6_nh_init+0x3d8/0x1580 [ 4314.586270][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4314.586270][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4314.586270][ T74] ipv6_add_addr+0x411/0x2000 [ 4314.586270][ T74] inet6_addr_add+0x30e/0xa40 [ 4314.586270][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4314.586270][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4314.586270][ T74] netlink_rcv_skb+0x130/0x360 [ 4314.586270][ T74] netlink_unicast+0x449/0x710 [ 4314.586270][ T74] netlink_sendmsg+0x723/0xbe0 [ 4314.586270][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4314.586270][ T74] ___sys_sendmsg+0xee/0x170 [ 4314.586270][ T74] __sys_sendmsg+0xcd/0x170 [ 4314.586270][ T74] do_syscall_64+0xc6/0x1e0 [ 4314.586270][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4314.586270][ T74] [ 4314.588405][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4314.588405][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4314.588405][ T74] ipv6_find_idev+0x102/0x170 [ 4314.588405][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4314.588405][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4314.588405][ T74] netlink_rcv_skb+0x130/0x360 [ 4314.588405][ T74] netlink_unicast+0x449/0x710 [ 4314.588405][ T74] netlink_sendmsg+0x723/0xbe0 [ 4314.588405][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4314.588405][ T74] ___sys_sendmsg+0xee/0x170 [ 4314.588405][ T74] __sys_sendmsg+0xcd/0x170 [ 4314.588405][ T74] do_syscall_64+0xc6/0x1e0 [ 4314.588405][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4314.588405][ T74] [ 4314.590009][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4314.590009][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4314.590009][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4314.590009][ T74] ipv6_find_idev+0x102/0x170 [ 4314.590009][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4314.590009][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4314.590009][ T74] netlink_rcv_skb+0x130/0x360 [ 4314.590009][ T74] netlink_unicast+0x449/0x710 [ 4314.590009][ T74] netlink_sendmsg+0x723/0xbe0 [ 4314.590009][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4314.590009][ T74] ___sys_sendmsg+0xee/0x170 [ 4314.590009][ T74] __sys_sendmsg+0xcd/0x170 [ 4314.590009][ T74] do_syscall_64+0xc6/0x1e0 [ 4314.590009][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4314.590009][ T74] [ 4324.592012][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4324.592461][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4324.592461][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4324.592461][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4324.592461][ T74] fib6_nh_init+0xa22/0x1580 [ 4324.592461][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4324.592461][ T74] ip6_route_add+0x1c/0x140 [ 4324.592461][ T74] inet6_rtm_newroute+0x104/0x110 [ 4324.592461][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4324.592461][ T74] netlink_rcv_skb+0x130/0x360 [ 4324.592461][ T74] netlink_unicast+0x449/0x710 [ 4324.592461][ T74] netlink_sendmsg+0x723/0xbe0 [ 4324.592461][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4324.592461][ T74] ___sys_sendmsg+0xee/0x170 [ 4324.592461][ T74] __sys_sendmsg+0xcd/0x170 [ 4324.592461][ T74] do_syscall_64+0xc6/0x1e0 [ 4324.592461][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4324.592461][ T74] [ 4324.594431][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4324.594431][ T74] netdev_get_by_index+0x5e/0x80 [ 4324.594431][ T74] fib6_nh_init+0x3d8/0x1580 [ 4324.594431][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4324.594431][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4324.594431][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4324.594431][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4324.594431][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4324.594431][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4324.594431][ T74] addrconf_dad_begin+0x310/0x670 [ 4324.594431][ T74] addrconf_dad_work+0x10b/0xab0 [ 4324.594431][ T74] process_one_work+0x84d/0x18a0 [ 4324.594431][ T74] worker_thread+0x587/0xd30 [ 4324.594431][ T74] kthread+0x28a/0x350 [ 4324.594431][ T74] ret_from_fork+0x31/0x70 [ 4324.594431][ T74] ret_from_fork_asm+0x1a/0x30 [ 4324.594431][ T74] [ 4324.596463][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4324.596463][ T74] netdev_get_by_index+0x5e/0x80 [ 4324.596463][ T74] fib6_nh_init+0x3d8/0x1580 [ 4324.596463][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4324.596463][ T74] ip6_route_add+0x1c/0x140 [ 4324.596463][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4324.596463][ T74] inet6_addr_add+0x4f8/0xa40 [ 4324.596463][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4324.596463][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4324.596463][ T74] netlink_rcv_skb+0x130/0x360 [ 4324.596463][ T74] netlink_unicast+0x449/0x710 [ 4324.596463][ T74] netlink_sendmsg+0x723/0xbe0 [ 4324.596463][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4324.596463][ T74] ___sys_sendmsg+0xee/0x170 [ 4324.596463][ T74] __sys_sendmsg+0xcd/0x170 [ 4324.596463][ T74] do_syscall_64+0xc6/0x1e0 [ 4324.596463][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4324.596463][ T74] [ 4324.598508][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4324.598508][ T74] netdev_get_by_index+0x5e/0x80 [ 4324.598508][ T74] fib6_nh_init+0x3d8/0x1580 [ 4324.598508][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4324.598508][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4324.598508][ T74] ipv6_add_addr+0x411/0x2000 [ 4324.598508][ T74] inet6_addr_add+0x30e/0xa40 [ 4324.598508][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4324.598508][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4324.598508][ T74] netlink_rcv_skb+0x130/0x360 [ 4324.598508][ T74] netlink_unicast+0x449/0x710 [ 4324.598508][ T74] netlink_sendmsg+0x723/0xbe0 [ 4324.598508][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4324.598508][ T74] ___sys_sendmsg+0xee/0x170 [ 4324.598508][ T74] __sys_sendmsg+0xcd/0x170 [ 4324.598508][ T74] do_syscall_64+0xc6/0x1e0 [ 4324.598508][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4324.598508][ T74] [ 4324.600532][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4324.600532][ T74] netdev_get_by_index+0x5e/0x80 [ 4324.600532][ T74] fib6_nh_init+0x3d8/0x1580 [ 4324.600532][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4324.600532][ T74] ip6_route_add+0x1c/0x140 [ 4324.600532][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4324.600532][ T74] addrconf_add_dev+0xe2/0x170 [ 4324.600532][ T74] inet6_addr_add+0x12f/0xa40 [ 4324.600532][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4324.600532][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4324.600532][ T74] netlink_rcv_skb+0x130/0x360 [ 4324.600532][ T74] netlink_unicast+0x449/0x710 [ 4324.600532][ T74] netlink_sendmsg+0x723/0xbe0 [ 4324.600532][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4324.600532][ T74] ___sys_sendmsg+0xee/0x170 [ 4324.600532][ T74] __sys_sendmsg+0xcd/0x170 [ 4324.600532][ T74] do_syscall_64+0xc6/0x1e0 [ 4324.600532][ T74] [ 4324.602535][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4324.602535][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4324.602535][ T74] ipv6_find_idev+0x102/0x170 [ 4324.602535][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4324.602535][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4324.602535][ T74] netlink_rcv_skb+0x130/0x360 [ 4324.602535][ T74] netlink_unicast+0x449/0x710 [ 4324.602535][ T74] netlink_sendmsg+0x723/0xbe0 [ 4324.602535][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4324.602535][ T74] ___sys_sendmsg+0xee/0x170 [ 4324.602535][ T74] __sys_sendmsg+0xcd/0x170 [ 4324.602535][ T74] do_syscall_64+0xc6/0x1e0 [ 4324.602535][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4324.602535][ T74] [ 4324.604093][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4324.604093][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4324.604093][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4324.604093][ T74] ipv6_find_idev+0x102/0x170 [ 4324.604093][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4324.604093][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4324.604093][ T74] netlink_rcv_skb+0x130/0x360 [ 4324.604093][ T74] netlink_unicast+0x449/0x710 [ 4324.604093][ T74] netlink_sendmsg+0x723/0xbe0 [ 4324.604093][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4324.604093][ T74] ___sys_sendmsg+0xee/0x170 [ 4324.604093][ T74] __sys_sendmsg+0xcd/0x170 [ 4324.604093][ T74] do_syscall_64+0xc6/0x1e0 [ 4324.604093][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4324.604093][ T74] [ 4324.605830][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4324.606120][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4324.606120][ T74] dst_init+0x84/0x4a0 [ 4324.606120][ T74] dst_alloc+0x97/0x150 [ 4324.606120][ T74] ip6_dst_alloc+0x23/0x90 [ 4324.606120][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4324.606120][ T74] ip6_pol_route+0x56f/0x840 [ 4324.606120][ T74] fib6_rule_lookup+0x456/0x630 [ 4324.606120][ T74] ip6_route_input+0x59c/0xa50 [ 4324.606120][ T74] ipv6_rcv+0x397/0x810 [ 4324.606120][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4324.606120][ T74] process_backlog+0x101/0x620 [ 4324.606120][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4324.606120][ T74] net_rx_action+0x495/0xbe0 [ 4324.606120][ T74] __do_softirq+0x1b5/0x7f6 [ 4324.606120][ T74] [ 4324.607783][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4324.607783][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4324.607783][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4324.607783][ T74] fib6_nh_init+0xa22/0x1580 [ 4324.607783][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4324.607783][ T74] ip6_route_add+0x1c/0x140 [ 4324.607783][ T74] inet6_rtm_newroute+0x104/0x110 [ 4324.607783][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4324.607783][ T74] netlink_rcv_skb+0x130/0x360 [ 4324.607783][ T74] netlink_unicast+0x449/0x710 [ 4324.607783][ T74] netlink_sendmsg+0x723/0xbe0 [ 4324.607783][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4324.607783][ T74] ___sys_sendmsg+0xee/0x170 [ 4324.607783][ T74] __sys_sendmsg+0xcd/0x170 [ 4324.607783][ T74] do_syscall_64+0xc6/0x1e0 [ 4324.607783][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4324.607783][ T74] [ 4324.609706][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4324.609706][ T74] netdev_get_by_index+0x5e/0x80 [ 4324.609706][ T74] fib6_nh_init+0x3d8/0x1580 [ 4324.609706][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4324.609706][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4324.609706][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4324.609706][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4324.609706][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4324.609706][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4324.609706][ T74] addrconf_dad_begin+0x310/0x670 [ 4324.609706][ T74] addrconf_dad_work+0x10b/0xab0 [ 4324.609706][ T74] process_one_work+0x84d/0x18a0 [ 4324.609706][ T74] worker_thread+0x587/0xd30 [ 4324.609706][ T74] kthread+0x28a/0x350 [ 4324.609706][ T74] ret_from_fork+0x31/0x70 [ 4324.609706][ T74] ret_from_fork_asm+0x1a/0x30 [ 4324.609706][ T74] [ 4324.611647][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4324.611647][ T74] netdev_get_by_index+0x5e/0x80 [ 4324.611647][ T74] fib6_nh_init+0x3d8/0x1580 [ 4324.611647][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4324.611647][ T74] ip6_route_add+0x1c/0x140 [ 4324.611647][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4324.611647][ T74] inet6_addr_add+0x4f8/0xa40 [ 4324.611647][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4324.611647][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4324.611647][ T74] netlink_rcv_skb+0x130/0x360 [ 4324.611647][ T74] netlink_unicast+0x449/0x710 [ 4324.611647][ T74] netlink_sendmsg+0x723/0xbe0 [ 4324.611647][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4324.611647][ T74] ___sys_sendmsg+0xee/0x170 [ 4324.611647][ T74] __sys_sendmsg+0xcd/0x170 [ 4324.611647][ T74] do_syscall_64+0xc6/0x1e0 [ 4324.611647][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4324.611647][ T74] [ 4324.613680][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4324.613680][ T74] netdev_get_by_index+0x5e/0x80 [ 4324.613680][ T74] fib6_nh_init+0x3d8/0x1580 [ 4324.613680][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4324.613680][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4324.613680][ T74] ipv6_add_addr+0x411/0x2000 [ 4324.613680][ T74] inet6_addr_add+0x30e/0xa40 [ 4324.613680][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4324.613680][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4324.613680][ T74] netlink_rcv_skb+0x130/0x360 [ 4324.613680][ T74] netlink_unicast+0x449/0x710 [ 4324.613680][ T74] netlink_sendmsg+0x723/0xbe0 [ 4324.613680][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4324.613680][ T74] ___sys_sendmsg+0xee/0x170 [ 4324.613680][ T74] __sys_sendmsg+0xcd/0x170 [ 4324.613680][ T74] do_syscall_64+0xc6/0x1e0 [ 4324.613680][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4324.613680][ T74] [ 4324.615716][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4324.615716][ T74] netdev_get_by_index+0x5e/0x80 [ 4324.615716][ T74] fib6_nh_init+0x3d8/0x1580 [ 4324.615716][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4324.615716][ T74] ip6_route_add+0x1c/0x140 [ 4324.615716][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4324.615716][ T74] addrconf_add_dev+0xe2/0x170 [ 4324.615716][ T74] inet6_addr_add+0x12f/0xa40 [ 4324.615716][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4324.615716][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4324.615716][ T74] netlink_rcv_skb+0x130/0x360 [ 4324.615716][ T74] netlink_unicast+0x449/0x710 [ 4324.615716][ T74] netlink_sendmsg+0x723/0xbe0 [ 4324.615716][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4324.615716][ T74] ___sys_sendmsg+0xee/0x170 [ 4324.615716][ T74] __sys_sendmsg+0xcd/0x170 [ 4324.615716][ T74] do_syscall_64+0xc6/0x1e0 [ 4324.615716][ T74] [ 4324.617706][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4324.617706][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4324.617706][ T74] ipv6_find_idev+0x102/0x170 [ 4324.617706][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4324.617706][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4324.617706][ T74] netlink_rcv_skb+0x130/0x360 [ 4324.617706][ T74] netlink_unicast+0x449/0x710 [ 4324.617706][ T74] netlink_sendmsg+0x723/0xbe0 [ 4324.617706][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4324.617706][ T74] ___sys_sendmsg+0xee/0x170 [ 4324.617706][ T74] __sys_sendmsg+0xcd/0x170 [ 4324.617706][ T74] do_syscall_64+0xc6/0x1e0 [ 4324.617706][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4324.617706][ T74] [ 4324.619472][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4324.619472][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4324.619472][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4324.619472][ T74] ipv6_find_idev+0x102/0x170 [ 4324.619472][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4324.619472][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4324.619472][ T74] netlink_rcv_skb+0x130/0x360 [ 4324.619472][ T74] netlink_unicast+0x449/0x710 [ 4324.619472][ T74] netlink_sendmsg+0x723/0xbe0 [ 4324.619472][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4324.619472][ T74] ___sys_sendmsg+0xee/0x170 [ 4324.619472][ T74] __sys_sendmsg+0xcd/0x170 [ 4324.619472][ T74] do_syscall_64+0xc6/0x1e0 [ 4324.619472][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4324.619472][ T74] [ 4324.621366][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4324.621674][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4324.621674][ T74] netdev_get_by_index+0x5e/0x80 [ 4324.621674][ T74] fib6_nh_init+0x3d8/0x1580 [ 4324.621674][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4324.621674][ T74] ip6_route_add+0x1c/0x140 [ 4324.621674][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4324.621674][ T74] inet6_addr_add+0x4f8/0xa40 [ 4324.621674][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4324.621674][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4324.621674][ T74] netlink_rcv_skb+0x130/0x360 [ 4324.621674][ T74] netlink_unicast+0x449/0x710 [ 4324.621674][ T74] netlink_sendmsg+0x723/0xbe0 [ 4324.621674][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4324.621674][ T74] ___sys_sendmsg+0xee/0x170 [ 4324.621674][ T74] __sys_sendmsg+0xcd/0x170 [ 4324.621674][ T74] do_syscall_64+0xc6/0x1e0 [ 4324.621674][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4324.621674][ T74] [ 4324.623937][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4324.623937][ T74] netdev_get_by_index+0x5e/0x80 [ 4324.623937][ T74] fib6_nh_init+0x3d8/0x1580 [ 4324.623937][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4324.623937][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4324.623937][ T74] ipv6_add_addr+0x411/0x2000 [ 4324.623937][ T74] inet6_addr_add+0x30e/0xa40 [ 4324.623937][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4324.623937][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4324.623937][ T74] netlink_rcv_skb+0x130/0x360 [ 4324.623937][ T74] netlink_unicast+0x449/0x710 [ 4324.623937][ T74] netlink_sendmsg+0x723/0xbe0 [ 4324.623937][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4324.623937][ T74] ___sys_sendmsg+0xee/0x170 [ 4324.623937][ T74] __sys_sendmsg+0xcd/0x170 [ 4324.623937][ T74] do_syscall_64+0xc6/0x1e0 [ 4324.623937][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4324.623937][ T74] [ 4324.626213][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4324.626213][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4324.626213][ T74] ipv6_find_idev+0x102/0x170 [ 4324.626213][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4324.626213][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4324.626213][ T74] netlink_rcv_skb+0x130/0x360 [ 4324.626213][ T74] netlink_unicast+0x449/0x710 [ 4324.626213][ T74] netlink_sendmsg+0x723/0xbe0 [ 4324.626213][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4324.626213][ T74] ___sys_sendmsg+0xee/0x170 [ 4324.626213][ T74] __sys_sendmsg+0xcd/0x170 [ 4324.626213][ T74] do_syscall_64+0xc6/0x1e0 [ 4324.626213][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4324.626213][ T74] [ 4324.627956][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4324.627956][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4324.627956][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4324.627956][ T74] ipv6_find_idev+0x102/0x170 [ 4324.627956][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4324.627956][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4324.627956][ T74] netlink_rcv_skb+0x130/0x360 [ 4324.627956][ T74] netlink_unicast+0x449/0x710 [ 4324.627956][ T74] netlink_sendmsg+0x723/0xbe0 [ 4324.627956][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4324.627956][ T74] ___sys_sendmsg+0xee/0x170 [ 4324.627956][ T74] __sys_sendmsg+0xcd/0x170 [ 4324.627956][ T74] do_syscall_64+0xc6/0x1e0 [ 4324.627956][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4324.627956][ T74] [ 4334.871976][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4334.872421][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4334.872421][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4334.872421][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4334.872421][ T74] fib6_nh_init+0xa22/0x1580 [ 4334.872421][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4334.872421][ T74] ip6_route_add+0x1c/0x140 [ 4334.872421][ T74] inet6_rtm_newroute+0x104/0x110 [ 4334.872421][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4334.872421][ T74] netlink_rcv_skb+0x130/0x360 [ 4334.872421][ T74] netlink_unicast+0x449/0x710 [ 4334.872421][ T74] netlink_sendmsg+0x723/0xbe0 [ 4334.872421][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4334.872421][ T74] ___sys_sendmsg+0xee/0x170 [ 4334.872421][ T74] __sys_sendmsg+0xcd/0x170 [ 4334.872421][ T74] do_syscall_64+0xc6/0x1e0 [ 4334.872421][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4334.872421][ T74] [ 4334.874385][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4334.874385][ T74] netdev_get_by_index+0x5e/0x80 [ 4334.874385][ T74] fib6_nh_init+0x3d8/0x1580 [ 4334.874385][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4334.874385][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4334.874385][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4334.874385][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4334.874385][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4334.874385][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4334.874385][ T74] addrconf_dad_begin+0x310/0x670 [ 4334.874385][ T74] addrconf_dad_work+0x10b/0xab0 [ 4334.874385][ T74] process_one_work+0x84d/0x18a0 [ 4334.874385][ T74] worker_thread+0x587/0xd30 [ 4334.874385][ T74] kthread+0x28a/0x350 [ 4334.874385][ T74] ret_from_fork+0x31/0x70 [ 4334.874385][ T74] ret_from_fork_asm+0x1a/0x30 [ 4334.874385][ T74] [ 4334.876328][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4334.876328][ T74] netdev_get_by_index+0x5e/0x80 [ 4334.876328][ T74] fib6_nh_init+0x3d8/0x1580 [ 4334.876328][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4334.876328][ T74] ip6_route_add+0x1c/0x140 [ 4334.876328][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4334.876328][ T74] inet6_addr_add+0x4f8/0xa40 [ 4334.876328][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4334.876328][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4334.876328][ T74] netlink_rcv_skb+0x130/0x360 [ 4334.876328][ T74] netlink_unicast+0x449/0x710 [ 4334.876328][ T74] netlink_sendmsg+0x723/0xbe0 [ 4334.876328][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4334.876328][ T74] ___sys_sendmsg+0xee/0x170 [ 4334.876328][ T74] __sys_sendmsg+0xcd/0x170 [ 4334.876328][ T74] do_syscall_64+0xc6/0x1e0 [ 4334.876328][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4334.876328][ T74] [ 4334.878379][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4334.878379][ T74] netdev_get_by_index+0x5e/0x80 [ 4334.878379][ T74] fib6_nh_init+0x3d8/0x1580 [ 4334.878379][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4334.878379][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4334.878379][ T74] ipv6_add_addr+0x411/0x2000 [ 4334.878379][ T74] inet6_addr_add+0x30e/0xa40 [ 4334.878379][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4334.878379][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4334.878379][ T74] netlink_rcv_skb+0x130/0x360 [ 4334.878379][ T74] netlink_unicast+0x449/0x710 [ 4334.878379][ T74] netlink_sendmsg+0x723/0xbe0 [ 4334.878379][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4334.878379][ T74] ___sys_sendmsg+0xee/0x170 [ 4334.878379][ T74] __sys_sendmsg+0xcd/0x170 [ 4334.878379][ T74] do_syscall_64+0xc6/0x1e0 [ 4334.878379][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4334.878379][ T74] [ 4334.880412][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4334.880412][ T74] netdev_get_by_index+0x5e/0x80 [ 4334.880412][ T74] fib6_nh_init+0x3d8/0x1580 [ 4334.880412][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4334.880412][ T74] ip6_route_add+0x1c/0x140 [ 4334.880412][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4334.880412][ T74] addrconf_add_dev+0xe2/0x170 [ 4334.880412][ T74] inet6_addr_add+0x12f/0xa40 [ 4334.880412][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4334.880412][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4334.880412][ T74] netlink_rcv_skb+0x130/0x360 [ 4334.880412][ T74] netlink_unicast+0x449/0x710 [ 4334.880412][ T74] netlink_sendmsg+0x723/0xbe0 [ 4334.880412][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4334.880412][ T74] ___sys_sendmsg+0xee/0x170 [ 4334.880412][ T74] __sys_sendmsg+0xcd/0x170 [ 4334.880412][ T74] do_syscall_64+0xc6/0x1e0 [ 4334.880412][ T74] [ 4334.882429][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4334.882429][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4334.882429][ T74] ipv6_find_idev+0x102/0x170 [ 4334.882429][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4334.882429][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4334.882429][ T74] netlink_rcv_skb+0x130/0x360 [ 4334.882429][ T74] netlink_unicast+0x449/0x710 [ 4334.882429][ T74] netlink_sendmsg+0x723/0xbe0 [ 4334.882429][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4334.882429][ T74] ___sys_sendmsg+0xee/0x170 [ 4334.882429][ T74] __sys_sendmsg+0xcd/0x170 [ 4334.882429][ T74] do_syscall_64+0xc6/0x1e0 [ 4334.882429][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4334.882429][ T74] [ 4334.884009][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4334.884009][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4334.884009][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4334.884009][ T74] ipv6_find_idev+0x102/0x170 [ 4334.884009][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4334.884009][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4334.884009][ T74] netlink_rcv_skb+0x130/0x360 [ 4334.884009][ T74] netlink_unicast+0x449/0x710 [ 4334.884009][ T74] netlink_sendmsg+0x723/0xbe0 [ 4334.884009][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4334.884009][ T74] ___sys_sendmsg+0xee/0x170 [ 4334.884009][ T74] __sys_sendmsg+0xcd/0x170 [ 4334.884009][ T74] do_syscall_64+0xc6/0x1e0 [ 4334.884009][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4334.884009][ T74] [ 4334.885747][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4334.886047][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4334.886047][ T74] dst_init+0x84/0x4a0 [ 4334.886047][ T74] dst_alloc+0x97/0x150 [ 4334.886047][ T74] ip6_dst_alloc+0x23/0x90 [ 4334.886047][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4334.886047][ T74] ip6_pol_route+0x56f/0x840 [ 4334.886047][ T74] fib6_rule_lookup+0x456/0x630 [ 4334.886047][ T74] ip6_route_input+0x59c/0xa50 [ 4334.886047][ T74] ipv6_rcv+0x397/0x810 [ 4334.886047][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4334.886047][ T74] process_backlog+0x101/0x620 [ 4334.886047][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4334.886047][ T74] net_rx_action+0x495/0xbe0 [ 4334.886047][ T74] __do_softirq+0x1b5/0x7f6 [ 4334.886047][ T74] [ 4334.887729][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4334.887729][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4334.887729][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4334.887729][ T74] fib6_nh_init+0xa22/0x1580 [ 4334.887729][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4334.887729][ T74] ip6_route_add+0x1c/0x140 [ 4334.887729][ T74] inet6_rtm_newroute+0x104/0x110 [ 4334.887729][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4334.887729][ T74] netlink_rcv_skb+0x130/0x360 [ 4334.887729][ T74] netlink_unicast+0x449/0x710 [ 4334.887729][ T74] netlink_sendmsg+0x723/0xbe0 [ 4334.887729][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4334.887729][ T74] ___sys_sendmsg+0xee/0x170 [ 4334.887729][ T74] __sys_sendmsg+0xcd/0x170 [ 4334.887729][ T74] do_syscall_64+0xc6/0x1e0 [ 4334.887729][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4334.887729][ T74] [ 4334.889642][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4334.889642][ T74] netdev_get_by_index+0x5e/0x80 [ 4334.889642][ T74] fib6_nh_init+0x3d8/0x1580 [ 4334.889642][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4334.889642][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4334.889642][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4334.889642][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4334.889642][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4334.889642][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4334.889642][ T74] addrconf_dad_begin+0x310/0x670 [ 4334.889642][ T74] addrconf_dad_work+0x10b/0xab0 [ 4334.889642][ T74] process_one_work+0x84d/0x18a0 [ 4334.889642][ T74] worker_thread+0x587/0xd30 [ 4334.889642][ T74] kthread+0x28a/0x350 [ 4334.889642][ T74] ret_from_fork+0x31/0x70 [ 4334.889642][ T74] ret_from_fork_asm+0x1a/0x30 [ 4334.889642][ T74] [ 4334.891574][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4334.891574][ T74] netdev_get_by_index+0x5e/0x80 [ 4334.891574][ T74] fib6_nh_init+0x3d8/0x1580 [ 4334.891574][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4334.891574][ T74] ip6_route_add+0x1c/0x140 [ 4334.891574][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4334.891574][ T74] inet6_addr_add+0x4f8/0xa40 [ 4334.891574][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4334.891574][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4334.891574][ T74] netlink_rcv_skb+0x130/0x360 [ 4334.891574][ T74] netlink_unicast+0x449/0x710 [ 4334.891574][ T74] netlink_sendmsg+0x723/0xbe0 [ 4334.891574][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4334.891574][ T74] ___sys_sendmsg+0xee/0x170 [ 4334.891574][ T74] __sys_sendmsg+0xcd/0x170 [ 4334.891574][ T74] do_syscall_64+0xc6/0x1e0 [ 4334.891574][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4334.891574][ T74] [ 4334.893595][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4334.893595][ T74] netdev_get_by_index+0x5e/0x80 [ 4334.893595][ T74] fib6_nh_init+0x3d8/0x1580 [ 4334.893595][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4334.893595][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4334.893595][ T74] ipv6_add_addr+0x411/0x2000 [ 4334.893595][ T74] inet6_addr_add+0x30e/0xa40 [ 4334.893595][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4334.893595][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4334.893595][ T74] netlink_rcv_skb+0x130/0x360 [ 4334.893595][ T74] netlink_unicast+0x449/0x710 [ 4334.893595][ T74] netlink_sendmsg+0x723/0xbe0 [ 4334.893595][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4334.893595][ T74] ___sys_sendmsg+0xee/0x170 [ 4334.893595][ T74] __sys_sendmsg+0xcd/0x170 [ 4334.893595][ T74] do_syscall_64+0xc6/0x1e0 [ 4334.893595][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4334.893595][ T74] [ 4334.895626][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4334.895626][ T74] netdev_get_by_index+0x5e/0x80 [ 4334.895626][ T74] fib6_nh_init+0x3d8/0x1580 [ 4334.895626][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4334.895626][ T74] ip6_route_add+0x1c/0x140 [ 4334.895626][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4334.895626][ T74] addrconf_add_dev+0xe2/0x170 [ 4334.895626][ T74] inet6_addr_add+0x12f/0xa40 [ 4334.895626][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4334.895626][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4334.895626][ T74] netlink_rcv_skb+0x130/0x360 [ 4334.895626][ T74] netlink_unicast+0x449/0x710 [ 4334.895626][ T74] netlink_sendmsg+0x723/0xbe0 [ 4334.895626][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4334.895626][ T74] ___sys_sendmsg+0xee/0x170 [ 4334.895626][ T74] __sys_sendmsg+0xcd/0x170 [ 4334.895626][ T74] do_syscall_64+0xc6/0x1e0 [ 4334.895626][ T74] [ 4334.897621][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4334.897621][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4334.897621][ T74] ipv6_find_idev+0x102/0x170 [ 4334.897621][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4334.897621][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4334.897621][ T74] netlink_rcv_skb+0x130/0x360 [ 4334.897621][ T74] netlink_unicast+0x449/0x710 [ 4334.897621][ T74] netlink_sendmsg+0x723/0xbe0 [ 4334.897621][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4334.897621][ T74] ___sys_sendmsg+0xee/0x170 [ 4334.897621][ T74] __sys_sendmsg+0xcd/0x170 [ 4334.897621][ T74] do_syscall_64+0xc6/0x1e0 [ 4334.897621][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4334.897621][ T74] [ 4334.899358][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4334.899358][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4334.899358][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4334.899358][ T74] ipv6_find_idev+0x102/0x170 [ 4334.899358][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4334.899358][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4334.899358][ T74] netlink_rcv_skb+0x130/0x360 [ 4334.899358][ T74] netlink_unicast+0x449/0x710 [ 4334.899358][ T74] netlink_sendmsg+0x723/0xbe0 [ 4334.899358][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4334.899358][ T74] ___sys_sendmsg+0xee/0x170 [ 4334.899358][ T74] __sys_sendmsg+0xcd/0x170 [ 4334.899358][ T74] do_syscall_64+0xc6/0x1e0 [ 4334.899358][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4334.899358][ T74] [ 4334.903855][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4334.904193][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4334.904193][ T74] netdev_get_by_index+0x5e/0x80 [ 4334.904193][ T74] fib6_nh_init+0x3d8/0x1580 [ 4334.904193][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4334.904193][ T74] ip6_route_add+0x1c/0x140 [ 4334.904193][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4334.904193][ T74] inet6_addr_add+0x4f8/0xa40 [ 4334.904193][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4334.904193][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4334.904193][ T74] netlink_rcv_skb+0x130/0x360 [ 4334.904193][ T74] netlink_unicast+0x449/0x710 [ 4334.904193][ T74] netlink_sendmsg+0x723/0xbe0 [ 4334.904193][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4334.904193][ T74] ___sys_sendmsg+0xee/0x170 [ 4334.904193][ T74] __sys_sendmsg+0xcd/0x170 [ 4334.904193][ T74] do_syscall_64+0xc6/0x1e0 [ 4334.904193][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4334.904193][ T74] [ 4334.906411][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4334.906411][ T74] netdev_get_by_index+0x5e/0x80 [ 4334.906411][ T74] fib6_nh_init+0x3d8/0x1580 [ 4334.906411][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4334.906411][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4334.906411][ T74] ipv6_add_addr+0x411/0x2000 [ 4334.906411][ T74] inet6_addr_add+0x30e/0xa40 [ 4334.906411][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4334.906411][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4334.906411][ T74] netlink_rcv_skb+0x130/0x360 [ 4334.906411][ T74] netlink_unicast+0x449/0x710 [ 4334.906411][ T74] netlink_sendmsg+0x723/0xbe0 [ 4334.906411][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4334.906411][ T74] ___sys_sendmsg+0xee/0x170 [ 4334.906411][ T74] __sys_sendmsg+0xcd/0x170 [ 4334.906411][ T74] do_syscall_64+0xc6/0x1e0 [ 4334.906411][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4334.906411][ T74] [ 4334.908697][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4334.908697][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4334.908697][ T74] ipv6_find_idev+0x102/0x170 [ 4334.908697][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4334.908697][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4334.908697][ T74] netlink_rcv_skb+0x130/0x360 [ 4334.908697][ T74] netlink_unicast+0x449/0x710 [ 4334.908697][ T74] netlink_sendmsg+0x723/0xbe0 [ 4334.908697][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4334.908697][ T74] ___sys_sendmsg+0xee/0x170 [ 4334.908697][ T74] __sys_sendmsg+0xcd/0x170 [ 4334.908697][ T74] do_syscall_64+0xc6/0x1e0 [ 4334.908697][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4334.908697][ T74] [ 4334.910503][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4334.910503][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4334.910503][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4334.910503][ T74] ipv6_find_idev+0x102/0x170 [ 4334.910503][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4334.910503][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4334.910503][ T74] netlink_rcv_skb+0x130/0x360 [ 4334.910503][ T74] netlink_unicast+0x449/0x710 [ 4334.910503][ T74] netlink_sendmsg+0x723/0xbe0 [ 4334.910503][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4334.910503][ T74] ___sys_sendmsg+0xee/0x170 [ 4334.910503][ T74] __sys_sendmsg+0xcd/0x170 [ 4334.910503][ T74] do_syscall_64+0xc6/0x1e0 [ 4334.910503][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4334.910503][ T74] [ 4344.967920][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4344.968358][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4344.968358][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4344.968358][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4344.968358][ T74] fib6_nh_init+0xa22/0x1580 [ 4344.968358][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4344.968358][ T74] ip6_route_add+0x1c/0x140 [ 4344.968358][ T74] inet6_rtm_newroute+0x104/0x110 [ 4344.968358][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4344.968358][ T74] netlink_rcv_skb+0x130/0x360 [ 4344.968358][ T74] netlink_unicast+0x449/0x710 [ 4344.968358][ T74] netlink_sendmsg+0x723/0xbe0 [ 4344.968358][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4344.968358][ T74] ___sys_sendmsg+0xee/0x170 [ 4344.968358][ T74] __sys_sendmsg+0xcd/0x170 [ 4344.968358][ T74] do_syscall_64+0xc6/0x1e0 [ 4344.968358][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4344.968358][ T74] [ 4344.970308][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4344.970308][ T74] netdev_get_by_index+0x5e/0x80 [ 4344.970308][ T74] fib6_nh_init+0x3d8/0x1580 [ 4344.970308][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4344.970308][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4344.970308][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4344.970308][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4344.970308][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4344.970308][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4344.970308][ T74] addrconf_dad_begin+0x310/0x670 [ 4344.970308][ T74] addrconf_dad_work+0x10b/0xab0 [ 4344.970308][ T74] process_one_work+0x84d/0x18a0 [ 4344.970308][ T74] worker_thread+0x587/0xd30 [ 4344.970308][ T74] kthread+0x28a/0x350 [ 4344.970308][ T74] ret_from_fork+0x31/0x70 [ 4344.970308][ T74] ret_from_fork_asm+0x1a/0x30 [ 4344.970308][ T74] [ 4344.972224][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4344.972224][ T74] netdev_get_by_index+0x5e/0x80 [ 4344.972224][ T74] fib6_nh_init+0x3d8/0x1580 [ 4344.972224][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4344.972224][ T74] ip6_route_add+0x1c/0x140 [ 4344.972224][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4344.972224][ T74] inet6_addr_add+0x4f8/0xa40 [ 4344.972224][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4344.972224][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4344.972224][ T74] netlink_rcv_skb+0x130/0x360 [ 4344.972224][ T74] netlink_unicast+0x449/0x710 [ 4344.972224][ T74] netlink_sendmsg+0x723/0xbe0 [ 4344.972224][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4344.972224][ T74] ___sys_sendmsg+0xee/0x170 [ 4344.972224][ T74] __sys_sendmsg+0xcd/0x170 [ 4344.972224][ T74] do_syscall_64+0xc6/0x1e0 [ 4344.972224][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4344.972224][ T74] [ 4344.974259][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4344.974259][ T74] netdev_get_by_index+0x5e/0x80 [ 4344.974259][ T74] fib6_nh_init+0x3d8/0x1580 [ 4344.974259][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4344.974259][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4344.974259][ T74] ipv6_add_addr+0x411/0x2000 [ 4344.974259][ T74] inet6_addr_add+0x30e/0xa40 [ 4344.974259][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4344.974259][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4344.974259][ T74] netlink_rcv_skb+0x130/0x360 [ 4344.974259][ T74] netlink_unicast+0x449/0x710 [ 4344.974259][ T74] netlink_sendmsg+0x723/0xbe0 [ 4344.974259][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4344.974259][ T74] ___sys_sendmsg+0xee/0x170 [ 4344.974259][ T74] __sys_sendmsg+0xcd/0x170 [ 4344.974259][ T74] do_syscall_64+0xc6/0x1e0 [ 4344.974259][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4344.974259][ T74] [ 4344.976280][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4344.976280][ T74] netdev_get_by_index+0x5e/0x80 [ 4344.976280][ T74] fib6_nh_init+0x3d8/0x1580 [ 4344.976280][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4344.976280][ T74] ip6_route_add+0x1c/0x140 [ 4344.976280][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4344.976280][ T74] addrconf_add_dev+0xe2/0x170 [ 4344.976280][ T74] inet6_addr_add+0x12f/0xa40 [ 4344.976280][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4344.976280][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4344.976280][ T74] netlink_rcv_skb+0x130/0x360 [ 4344.976280][ T74] netlink_unicast+0x449/0x710 [ 4344.976280][ T74] netlink_sendmsg+0x723/0xbe0 [ 4344.976280][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4344.976280][ T74] ___sys_sendmsg+0xee/0x170 [ 4344.976280][ T74] __sys_sendmsg+0xcd/0x170 [ 4344.976280][ T74] do_syscall_64+0xc6/0x1e0 [ 4344.976280][ T74] [ 4344.978260][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4344.978260][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4344.978260][ T74] ipv6_find_idev+0x102/0x170 [ 4344.978260][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4344.978260][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4344.978260][ T74] netlink_rcv_skb+0x130/0x360 [ 4344.978260][ T74] netlink_unicast+0x449/0x710 [ 4344.978260][ T74] netlink_sendmsg+0x723/0xbe0 [ 4344.978260][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4344.978260][ T74] ___sys_sendmsg+0xee/0x170 [ 4344.978260][ T74] __sys_sendmsg+0xcd/0x170 [ 4344.978260][ T74] do_syscall_64+0xc6/0x1e0 [ 4344.978260][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4344.978260][ T74] [ 4344.979801][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4344.979801][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4344.979801][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4344.979801][ T74] ipv6_find_idev+0x102/0x170 [ 4344.979801][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4344.979801][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4344.979801][ T74] netlink_rcv_skb+0x130/0x360 [ 4344.979801][ T74] netlink_unicast+0x449/0x710 [ 4344.979801][ T74] netlink_sendmsg+0x723/0xbe0 [ 4344.979801][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4344.979801][ T74] ___sys_sendmsg+0xee/0x170 [ 4344.979801][ T74] __sys_sendmsg+0xcd/0x170 [ 4344.979801][ T74] do_syscall_64+0xc6/0x1e0 [ 4344.979801][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4344.979801][ T74] [ 4344.981501][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4344.981777][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4344.981777][ T74] dst_init+0x84/0x4a0 [ 4344.981777][ T74] dst_alloc+0x97/0x150 [ 4344.981777][ T74] ip6_dst_alloc+0x23/0x90 [ 4344.981777][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4344.981777][ T74] ip6_pol_route+0x56f/0x840 [ 4344.981777][ T74] fib6_rule_lookup+0x456/0x630 [ 4344.981777][ T74] ip6_route_input+0x59c/0xa50 [ 4344.981777][ T74] ipv6_rcv+0x397/0x810 [ 4344.981777][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4344.981777][ T74] process_backlog+0x101/0x620 [ 4344.981777][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4344.981777][ T74] net_rx_action+0x495/0xbe0 [ 4344.981777][ T74] __do_softirq+0x1b5/0x7f6 [ 4344.981777][ T74] [ 4344.983431][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4344.983431][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4344.983431][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4344.983431][ T74] fib6_nh_init+0xa22/0x1580 [ 4344.983431][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4344.983431][ T74] ip6_route_add+0x1c/0x140 [ 4344.983431][ T74] inet6_rtm_newroute+0x104/0x110 [ 4344.983431][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4344.983431][ T74] netlink_rcv_skb+0x130/0x360 [ 4344.983431][ T74] netlink_unicast+0x449/0x710 [ 4344.983431][ T74] netlink_sendmsg+0x723/0xbe0 [ 4344.983431][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4344.983431][ T74] ___sys_sendmsg+0xee/0x170 [ 4344.983431][ T74] __sys_sendmsg+0xcd/0x170 [ 4344.983431][ T74] do_syscall_64+0xc6/0x1e0 [ 4344.983431][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4344.983431][ T74] [ 4344.985322][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4344.985322][ T74] netdev_get_by_index+0x5e/0x80 [ 4344.985322][ T74] fib6_nh_init+0x3d8/0x1580 [ 4344.985322][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4344.985322][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4344.985322][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4344.985322][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4344.985322][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4344.985322][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4344.985322][ T74] addrconf_dad_begin+0x310/0x670 [ 4344.985322][ T74] addrconf_dad_work+0x10b/0xab0 [ 4344.985322][ T74] process_one_work+0x84d/0x18a0 [ 4344.985322][ T74] worker_thread+0x587/0xd30 [ 4344.985322][ T74] kthread+0x28a/0x350 [ 4344.985322][ T74] ret_from_fork+0x31/0x70 [ 4344.985322][ T74] ret_from_fork_asm+0x1a/0x30 [ 4344.985322][ T74] [ 4344.987258][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4344.987258][ T74] netdev_get_by_index+0x5e/0x80 [ 4344.987258][ T74] fib6_nh_init+0x3d8/0x1580 [ 4344.987258][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4344.987258][ T74] ip6_route_add+0x1c/0x140 [ 4344.987258][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4344.987258][ T74] inet6_addr_add+0x4f8/0xa40 [ 4344.987258][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4344.987258][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4344.987258][ T74] netlink_rcv_skb+0x130/0x360 [ 4344.987258][ T74] netlink_unicast+0x449/0x710 [ 4344.987258][ T74] netlink_sendmsg+0x723/0xbe0 [ 4344.987258][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4344.987258][ T74] ___sys_sendmsg+0xee/0x170 [ 4344.987258][ T74] __sys_sendmsg+0xcd/0x170 [ 4344.987258][ T74] do_syscall_64+0xc6/0x1e0 [ 4344.987258][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4344.987258][ T74] [ 4344.989276][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4344.989276][ T74] netdev_get_by_index+0x5e/0x80 [ 4344.989276][ T74] fib6_nh_init+0x3d8/0x1580 [ 4344.989276][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4344.989276][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4344.989276][ T74] ipv6_add_addr+0x411/0x2000 [ 4344.989276][ T74] inet6_addr_add+0x30e/0xa40 [ 4344.989276][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4344.989276][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4344.989276][ T74] netlink_rcv_skb+0x130/0x360 [ 4344.989276][ T74] netlink_unicast+0x449/0x710 [ 4344.989276][ T74] netlink_sendmsg+0x723/0xbe0 [ 4344.989276][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4344.989276][ T74] ___sys_sendmsg+0xee/0x170 [ 4344.989276][ T74] __sys_sendmsg+0xcd/0x170 [ 4344.989276][ T74] do_syscall_64+0xc6/0x1e0 [ 4344.989276][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4344.989276][ T74] [ 4344.991292][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4344.991292][ T74] netdev_get_by_index+0x5e/0x80 [ 4344.991292][ T74] fib6_nh_init+0x3d8/0x1580 [ 4344.991292][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4344.991292][ T74] ip6_route_add+0x1c/0x140 [ 4344.991292][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4344.991292][ T74] addrconf_add_dev+0xe2/0x170 [ 4344.991292][ T74] inet6_addr_add+0x12f/0xa40 [ 4344.991292][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4344.991292][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4344.991292][ T74] netlink_rcv_skb+0x130/0x360 [ 4344.991292][ T74] netlink_unicast+0x449/0x710 [ 4344.991292][ T74] netlink_sendmsg+0x723/0xbe0 [ 4344.991292][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4344.991292][ T74] ___sys_sendmsg+0xee/0x170 [ 4344.991292][ T74] __sys_sendmsg+0xcd/0x170 [ 4344.991292][ T74] do_syscall_64+0xc6/0x1e0 [ 4344.991292][ T74] [ 4344.993245][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4344.993245][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4344.993245][ T74] ipv6_find_idev+0x102/0x170 [ 4344.993245][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4344.993245][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4344.993245][ T74] netlink_rcv_skb+0x130/0x360 [ 4344.993245][ T74] netlink_unicast+0x449/0x710 [ 4344.993245][ T74] netlink_sendmsg+0x723/0xbe0 [ 4344.993245][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4344.993245][ T74] ___sys_sendmsg+0xee/0x170 [ 4344.993245][ T74] __sys_sendmsg+0xcd/0x170 [ 4344.993245][ T74] do_syscall_64+0xc6/0x1e0 [ 4344.993245][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4344.993245][ T74] [ 4344.994855][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4344.994855][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4344.994855][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4344.994855][ T74] ipv6_find_idev+0x102/0x170 [ 4344.994855][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4344.994855][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4344.994855][ T74] netlink_rcv_skb+0x130/0x360 [ 4344.994855][ T74] netlink_unicast+0x449/0x710 [ 4344.994855][ T74] netlink_sendmsg+0x723/0xbe0 [ 4344.994855][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4344.994855][ T74] ___sys_sendmsg+0xee/0x170 [ 4344.994855][ T74] __sys_sendmsg+0xcd/0x170 [ 4344.994855][ T74] do_syscall_64+0xc6/0x1e0 [ 4344.994855][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4344.994855][ T74] [ 4344.996676][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4344.997001][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4344.997001][ T74] netdev_get_by_index+0x5e/0x80 [ 4344.997001][ T74] fib6_nh_init+0x3d8/0x1580 [ 4344.997001][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4344.997001][ T74] ip6_route_add+0x1c/0x140 [ 4344.997001][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4344.997001][ T74] inet6_addr_add+0x4f8/0xa40 [ 4344.997001][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4344.997001][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4344.997001][ T74] netlink_rcv_skb+0x130/0x360 [ 4344.997001][ T74] netlink_unicast+0x449/0x710 [ 4344.997001][ T74] netlink_sendmsg+0x723/0xbe0 [ 4344.997001][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4344.997001][ T74] ___sys_sendmsg+0xee/0x170 [ 4344.997001][ T74] __sys_sendmsg+0xcd/0x170 [ 4344.997001][ T74] do_syscall_64+0xc6/0x1e0 [ 4344.997001][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4344.997001][ T74] [ 4344.999083][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4344.999083][ T74] netdev_get_by_index+0x5e/0x80 [ 4344.999083][ T74] fib6_nh_init+0x3d8/0x1580 [ 4344.999083][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4344.999083][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4344.999083][ T74] ipv6_add_addr+0x411/0x2000 [ 4344.999083][ T74] inet6_addr_add+0x30e/0xa40 [ 4344.999083][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4344.999083][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4344.999083][ T74] netlink_rcv_skb+0x130/0x360 [ 4344.999083][ T74] netlink_unicast+0x449/0x710 [ 4344.999083][ T74] netlink_sendmsg+0x723/0xbe0 [ 4344.999083][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4344.999083][ T74] ___sys_sendmsg+0xee/0x170 [ 4344.999083][ T74] __sys_sendmsg+0xcd/0x170 [ 4344.999083][ T74] do_syscall_64+0xc6/0x1e0 [ 4344.999083][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4344.999083][ T74] [ 4345.001198][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4345.001198][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4345.001198][ T74] ipv6_find_idev+0x102/0x170 [ 4345.001198][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4345.001198][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4345.001198][ T74] netlink_rcv_skb+0x130/0x360 [ 4345.001198][ T74] netlink_unicast+0x449/0x710 [ 4345.001198][ T74] netlink_sendmsg+0x723/0xbe0 [ 4345.001198][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4345.001198][ T74] ___sys_sendmsg+0xee/0x170 [ 4345.001198][ T74] __sys_sendmsg+0xcd/0x170 [ 4345.001198][ T74] do_syscall_64+0xc6/0x1e0 [ 4345.001198][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4345.001198][ T74] [ 4345.002858][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4345.002858][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4345.002858][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4345.002858][ T74] ipv6_find_idev+0x102/0x170 [ 4345.002858][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4345.002858][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4345.002858][ T74] netlink_rcv_skb+0x130/0x360 [ 4345.002858][ T74] netlink_unicast+0x449/0x710 [ 4345.002858][ T74] netlink_sendmsg+0x723/0xbe0 [ 4345.002858][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4345.002858][ T74] ___sys_sendmsg+0xee/0x170 [ 4345.002858][ T74] __sys_sendmsg+0xcd/0x170 [ 4345.002858][ T74] do_syscall_64+0xc6/0x1e0 [ 4345.002858][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4345.002858][ T74] [ 4355.239986][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4355.240483][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4355.240483][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4355.240483][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4355.240483][ T74] fib6_nh_init+0xa22/0x1580 [ 4355.240483][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4355.240483][ T74] ip6_route_add+0x1c/0x140 [ 4355.240483][ T74] inet6_rtm_newroute+0x104/0x110 [ 4355.240483][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4355.240483][ T74] netlink_rcv_skb+0x130/0x360 [ 4355.240483][ T74] netlink_unicast+0x449/0x710 [ 4355.240483][ T74] netlink_sendmsg+0x723/0xbe0 [ 4355.240483][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4355.240483][ T74] ___sys_sendmsg+0xee/0x170 [ 4355.240483][ T74] __sys_sendmsg+0xcd/0x170 [ 4355.240483][ T74] do_syscall_64+0xc6/0x1e0 [ 4355.240483][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4355.240483][ T74] [ 4355.242411][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4355.242411][ T74] netdev_get_by_index+0x5e/0x80 [ 4355.242411][ T74] fib6_nh_init+0x3d8/0x1580 [ 4355.242411][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4355.242411][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4355.242411][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4355.242411][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4355.242411][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4355.242411][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4355.242411][ T74] addrconf_dad_begin+0x310/0x670 [ 4355.242411][ T74] addrconf_dad_work+0x10b/0xab0 [ 4355.242411][ T74] process_one_work+0x84d/0x18a0 [ 4355.242411][ T74] worker_thread+0x587/0xd30 [ 4355.242411][ T74] kthread+0x28a/0x350 [ 4355.242411][ T74] ret_from_fork+0x31/0x70 [ 4355.242411][ T74] ret_from_fork_asm+0x1a/0x30 [ 4355.242411][ T74] [ 4355.244326][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4355.244326][ T74] netdev_get_by_index+0x5e/0x80 [ 4355.244326][ T74] fib6_nh_init+0x3d8/0x1580 [ 4355.244326][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4355.244326][ T74] ip6_route_add+0x1c/0x140 [ 4355.244326][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4355.244326][ T74] inet6_addr_add+0x4f8/0xa40 [ 4355.244326][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4355.244326][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4355.244326][ T74] netlink_rcv_skb+0x130/0x360 [ 4355.244326][ T74] netlink_unicast+0x449/0x710 [ 4355.244326][ T74] netlink_sendmsg+0x723/0xbe0 [ 4355.244326][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4355.244326][ T74] ___sys_sendmsg+0xee/0x170 [ 4355.244326][ T74] __sys_sendmsg+0xcd/0x170 [ 4355.244326][ T74] do_syscall_64+0xc6/0x1e0 [ 4355.244326][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4355.244326][ T74] [ 4355.246324][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4355.246324][ T74] netdev_get_by_index+0x5e/0x80 [ 4355.246324][ T74] fib6_nh_init+0x3d8/0x1580 [ 4355.246324][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4355.246324][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4355.246324][ T74] ipv6_add_addr+0x411/0x2000 [ 4355.246324][ T74] inet6_addr_add+0x30e/0xa40 [ 4355.246324][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4355.246324][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4355.246324][ T74] netlink_rcv_skb+0x130/0x360 [ 4355.246324][ T74] netlink_unicast+0x449/0x710 [ 4355.246324][ T74] netlink_sendmsg+0x723/0xbe0 [ 4355.246324][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4355.246324][ T74] ___sys_sendmsg+0xee/0x170 [ 4355.246324][ T74] __sys_sendmsg+0xcd/0x170 [ 4355.246324][ T74] do_syscall_64+0xc6/0x1e0 [ 4355.246324][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4355.246324][ T74] [ 4355.248365][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4355.248365][ T74] netdev_get_by_index+0x5e/0x80 [ 4355.248365][ T74] fib6_nh_init+0x3d8/0x1580 [ 4355.248365][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4355.248365][ T74] ip6_route_add+0x1c/0x140 [ 4355.248365][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4355.248365][ T74] addrconf_add_dev+0xe2/0x170 [ 4355.248365][ T74] inet6_addr_add+0x12f/0xa40 [ 4355.248365][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4355.248365][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4355.248365][ T74] netlink_rcv_skb+0x130/0x360 [ 4355.248365][ T74] netlink_unicast+0x449/0x710 [ 4355.248365][ T74] netlink_sendmsg+0x723/0xbe0 [ 4355.248365][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4355.248365][ T74] ___sys_sendmsg+0xee/0x170 [ 4355.248365][ T74] __sys_sendmsg+0xcd/0x170 [ 4355.248365][ T74] do_syscall_64+0xc6/0x1e0 [ 4355.248365][ T74] [ 4355.250340][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4355.250340][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4355.250340][ T74] ipv6_find_idev+0x102/0x170 [ 4355.250340][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4355.250340][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4355.250340][ T74] netlink_rcv_skb+0x130/0x360 [ 4355.250340][ T74] netlink_unicast+0x449/0x710 [ 4355.250340][ T74] netlink_sendmsg+0x723/0xbe0 [ 4355.250340][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4355.250340][ T74] ___sys_sendmsg+0xee/0x170 [ 4355.250340][ T74] __sys_sendmsg+0xcd/0x170 [ 4355.250340][ T74] do_syscall_64+0xc6/0x1e0 [ 4355.250340][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4355.250340][ T74] [ 4355.251901][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4355.251901][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4355.251901][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4355.251901][ T74] ipv6_find_idev+0x102/0x170 [ 4355.251901][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4355.251901][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4355.251901][ T74] netlink_rcv_skb+0x130/0x360 [ 4355.251901][ T74] netlink_unicast+0x449/0x710 [ 4355.251901][ T74] netlink_sendmsg+0x723/0xbe0 [ 4355.251901][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4355.251901][ T74] ___sys_sendmsg+0xee/0x170 [ 4355.251901][ T74] __sys_sendmsg+0xcd/0x170 [ 4355.251901][ T74] do_syscall_64+0xc6/0x1e0 [ 4355.251901][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4355.251901][ T74] [ 4355.253602][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4355.253882][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4355.253882][ T74] dst_init+0x84/0x4a0 [ 4355.253882][ T74] dst_alloc+0x97/0x150 [ 4355.253882][ T74] ip6_dst_alloc+0x23/0x90 [ 4355.253882][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4355.253882][ T74] ip6_pol_route+0x56f/0x840 [ 4355.253882][ T74] fib6_rule_lookup+0x456/0x630 [ 4355.253882][ T74] ip6_route_input+0x59c/0xa50 [ 4355.253882][ T74] ipv6_rcv+0x397/0x810 [ 4355.253882][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4355.253882][ T74] process_backlog+0x101/0x620 [ 4355.253882][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4355.253882][ T74] net_rx_action+0x495/0xbe0 [ 4355.253882][ T74] __do_softirq+0x1b5/0x7f6 [ 4355.253882][ T74] [ 4355.255529][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4355.255529][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4355.255529][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4355.255529][ T74] fib6_nh_init+0xa22/0x1580 [ 4355.255529][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4355.255529][ T74] ip6_route_add+0x1c/0x140 [ 4355.255529][ T74] inet6_rtm_newroute+0x104/0x110 [ 4355.255529][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4355.255529][ T74] netlink_rcv_skb+0x130/0x360 [ 4355.255529][ T74] netlink_unicast+0x449/0x710 [ 4355.255529][ T74] netlink_sendmsg+0x723/0xbe0 [ 4355.255529][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4355.255529][ T74] ___sys_sendmsg+0xee/0x170 [ 4355.255529][ T74] __sys_sendmsg+0xcd/0x170 [ 4355.255529][ T74] do_syscall_64+0xc6/0x1e0 [ 4355.255529][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4355.255529][ T74] [ 4355.257421][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4355.257421][ T74] netdev_get_by_index+0x5e/0x80 [ 4355.257421][ T74] fib6_nh_init+0x3d8/0x1580 [ 4355.257421][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4355.257421][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4355.257421][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4355.257421][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4355.257421][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4355.257421][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4355.257421][ T74] addrconf_dad_begin+0x310/0x670 [ 4355.257421][ T74] addrconf_dad_work+0x10b/0xab0 [ 4355.257421][ T74] process_one_work+0x84d/0x18a0 [ 4355.257421][ T74] worker_thread+0x587/0xd30 [ 4355.257421][ T74] kthread+0x28a/0x350 [ 4355.257421][ T74] ret_from_fork+0x31/0x70 [ 4355.257421][ T74] ret_from_fork_asm+0x1a/0x30 [ 4355.257421][ T74] [ 4355.259355][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4355.259355][ T74] netdev_get_by_index+0x5e/0x80 [ 4355.259355][ T74] fib6_nh_init+0x3d8/0x1580 [ 4355.259355][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4355.259355][ T74] ip6_route_add+0x1c/0x140 [ 4355.259355][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4355.259355][ T74] inet6_addr_add+0x4f8/0xa40 [ 4355.259355][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4355.259355][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4355.259355][ T74] netlink_rcv_skb+0x130/0x360 [ 4355.259355][ T74] netlink_unicast+0x449/0x710 [ 4355.259355][ T74] netlink_sendmsg+0x723/0xbe0 [ 4355.259355][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4355.259355][ T74] ___sys_sendmsg+0xee/0x170 [ 4355.259355][ T74] __sys_sendmsg+0xcd/0x170 [ 4355.259355][ T74] do_syscall_64+0xc6/0x1e0 [ 4355.259355][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4355.259355][ T74] [ 4355.261364][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4355.261364][ T74] netdev_get_by_index+0x5e/0x80 [ 4355.261364][ T74] fib6_nh_init+0x3d8/0x1580 [ 4355.261364][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4355.261364][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4355.261364][ T74] ipv6_add_addr+0x411/0x2000 [ 4355.261364][ T74] inet6_addr_add+0x30e/0xa40 [ 4355.261364][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4355.261364][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4355.261364][ T74] netlink_rcv_skb+0x130/0x360 [ 4355.261364][ T74] netlink_unicast+0x449/0x710 [ 4355.261364][ T74] netlink_sendmsg+0x723/0xbe0 [ 4355.261364][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4355.261364][ T74] ___sys_sendmsg+0xee/0x170 [ 4355.261364][ T74] __sys_sendmsg+0xcd/0x170 [ 4355.261364][ T74] do_syscall_64+0xc6/0x1e0 [ 4355.261364][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4355.261364][ T74] [ 4355.263394][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4355.263394][ T74] netdev_get_by_index+0x5e/0x80 [ 4355.263394][ T74] fib6_nh_init+0x3d8/0x1580 [ 4355.263394][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4355.263394][ T74] ip6_route_add+0x1c/0x140 [ 4355.263394][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4355.263394][ T74] addrconf_add_dev+0xe2/0x170 [ 4355.263394][ T74] inet6_addr_add+0x12f/0xa40 [ 4355.263394][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4355.263394][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4355.263394][ T74] netlink_rcv_skb+0x130/0x360 [ 4355.263394][ T74] netlink_unicast+0x449/0x710 [ 4355.263394][ T74] netlink_sendmsg+0x723/0xbe0 [ 4355.263394][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4355.263394][ T74] ___sys_sendmsg+0xee/0x170 [ 4355.263394][ T74] __sys_sendmsg+0xcd/0x170 [ 4355.263394][ T74] do_syscall_64+0xc6/0x1e0 [ 4355.263394][ T74] [ 4355.265366][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4355.265366][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4355.265366][ T74] ipv6_find_idev+0x102/0x170 [ 4355.265366][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4355.265366][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4355.265366][ T74] netlink_rcv_skb+0x130/0x360 [ 4355.265366][ T74] netlink_unicast+0x449/0x710 [ 4355.265366][ T74] netlink_sendmsg+0x723/0xbe0 [ 4355.265366][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4355.265366][ T74] ___sys_sendmsg+0xee/0x170 [ 4355.265366][ T74] __sys_sendmsg+0xcd/0x170 [ 4355.265366][ T74] do_syscall_64+0xc6/0x1e0 [ 4355.265366][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4355.265366][ T74] [ 4355.267216][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4355.267216][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4355.267216][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4355.267216][ T74] ipv6_find_idev+0x102/0x170 [ 4355.267216][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4355.267216][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4355.267216][ T74] netlink_rcv_skb+0x130/0x360 [ 4355.267216][ T74] netlink_unicast+0x449/0x710 [ 4355.267216][ T74] netlink_sendmsg+0x723/0xbe0 [ 4355.267216][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4355.267216][ T74] ___sys_sendmsg+0xee/0x170 [ 4355.267216][ T74] __sys_sendmsg+0xcd/0x170 [ 4355.267216][ T74] do_syscall_64+0xc6/0x1e0 [ 4355.267216][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4355.267216][ T74] [ 4355.269174][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4355.269412][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4355.269412][ T74] netdev_get_by_index+0x5e/0x80 [ 4355.269412][ T74] fib6_nh_init+0x3d8/0x1580 [ 4355.269412][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4355.269412][ T74] ip6_route_add+0x1c/0x140 [ 4355.269412][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4355.269412][ T74] inet6_addr_add+0x4f8/0xa40 [ 4355.269412][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4355.269412][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4355.269412][ T74] netlink_rcv_skb+0x130/0x360 [ 4355.269412][ T74] netlink_unicast+0x449/0x710 [ 4355.269412][ T74] netlink_sendmsg+0x723/0xbe0 [ 4355.269412][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4355.269412][ T74] ___sys_sendmsg+0xee/0x170 [ 4355.269412][ T74] __sys_sendmsg+0xcd/0x170 [ 4355.269412][ T74] do_syscall_64+0xc6/0x1e0 [ 4355.269412][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4355.269412][ T74] [ 4355.271689][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4355.271689][ T74] netdev_get_by_index+0x5e/0x80 [ 4355.271689][ T74] fib6_nh_init+0x3d8/0x1580 [ 4355.271689][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4355.271689][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4355.271689][ T74] ipv6_add_addr+0x411/0x2000 [ 4355.271689][ T74] inet6_addr_add+0x30e/0xa40 [ 4355.271689][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4355.271689][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4355.271689][ T74] netlink_rcv_skb+0x130/0x360 [ 4355.271689][ T74] netlink_unicast+0x449/0x710 [ 4355.271689][ T74] netlink_sendmsg+0x723/0xbe0 [ 4355.271689][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4355.271689][ T74] ___sys_sendmsg+0xee/0x170 [ 4355.271689][ T74] __sys_sendmsg+0xcd/0x170 [ 4355.271689][ T74] do_syscall_64+0xc6/0x1e0 [ 4355.271689][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4355.271689][ T74] [ 4355.273938][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4355.273938][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4355.273938][ T74] ipv6_find_idev+0x102/0x170 [ 4355.273938][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4355.273938][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4355.273938][ T74] netlink_rcv_skb+0x130/0x360 [ 4355.273938][ T74] netlink_unicast+0x449/0x710 [ 4355.273938][ T74] netlink_sendmsg+0x723/0xbe0 [ 4355.273938][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4355.273938][ T74] ___sys_sendmsg+0xee/0x170 [ 4355.273938][ T74] __sys_sendmsg+0xcd/0x170 [ 4355.273938][ T74] do_syscall_64+0xc6/0x1e0 [ 4355.273938][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4355.273938][ T74] [ 4355.275684][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4355.275684][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4355.275684][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4355.275684][ T74] ipv6_find_idev+0x102/0x170 [ 4355.275684][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4355.275684][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4355.275684][ T74] netlink_rcv_skb+0x130/0x360 [ 4355.275684][ T74] netlink_unicast+0x449/0x710 [ 4355.275684][ T74] netlink_sendmsg+0x723/0xbe0 [ 4355.275684][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4355.275684][ T74] ___sys_sendmsg+0xee/0x170 [ 4355.275684][ T74] __sys_sendmsg+0xcd/0x170 [ 4355.275684][ T74] do_syscall_64+0xc6/0x1e0 [ 4355.275684][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4355.275684][ T74] [ 4365.375995][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4365.376433][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4365.376433][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4365.376433][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4365.376433][ T74] fib6_nh_init+0xa22/0x1580 [ 4365.376433][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4365.376433][ T74] ip6_route_add+0x1c/0x140 [ 4365.376433][ T74] inet6_rtm_newroute+0x104/0x110 [ 4365.376433][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4365.376433][ T74] netlink_rcv_skb+0x130/0x360 [ 4365.376433][ T74] netlink_unicast+0x449/0x710 [ 4365.376433][ T74] netlink_sendmsg+0x723/0xbe0 [ 4365.376433][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4365.376433][ T74] ___sys_sendmsg+0xee/0x170 [ 4365.376433][ T74] __sys_sendmsg+0xcd/0x170 [ 4365.376433][ T74] do_syscall_64+0xc6/0x1e0 [ 4365.376433][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4365.376433][ T74] [ 4365.378348][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4365.378348][ T74] netdev_get_by_index+0x5e/0x80 [ 4365.378348][ T74] fib6_nh_init+0x3d8/0x1580 [ 4365.378348][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4365.378348][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4365.378348][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4365.378348][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4365.378348][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4365.378348][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4365.378348][ T74] addrconf_dad_begin+0x310/0x670 [ 4365.378348][ T74] addrconf_dad_work+0x10b/0xab0 [ 4365.378348][ T74] process_one_work+0x84d/0x18a0 [ 4365.378348][ T74] worker_thread+0x587/0xd30 [ 4365.378348][ T74] kthread+0x28a/0x350 [ 4365.378348][ T74] ret_from_fork+0x31/0x70 [ 4365.378348][ T74] ret_from_fork_asm+0x1a/0x30 [ 4365.378348][ T74] [ 4365.380882][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4365.380882][ T74] netdev_get_by_index+0x5e/0x80 [ 4365.380882][ T74] fib6_nh_init+0x3d8/0x1580 [ 4365.380882][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4365.380882][ T74] ip6_route_add+0x1c/0x140 [ 4365.380882][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4365.380882][ T74] inet6_addr_add+0x4f8/0xa40 [ 4365.380882][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4365.380882][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4365.380882][ T74] netlink_rcv_skb+0x130/0x360 [ 4365.380882][ T74] netlink_unicast+0x449/0x710 [ 4365.380882][ T74] netlink_sendmsg+0x723/0xbe0 [ 4365.380882][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4365.380882][ T74] ___sys_sendmsg+0xee/0x170 [ 4365.380882][ T74] __sys_sendmsg+0xcd/0x170 [ 4365.380882][ T74] do_syscall_64+0xc6/0x1e0 [ 4365.380882][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4365.380882][ T74] [ 4365.382868][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4365.382868][ T74] netdev_get_by_index+0x5e/0x80 [ 4365.382868][ T74] fib6_nh_init+0x3d8/0x1580 [ 4365.382868][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4365.382868][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4365.382868][ T74] ipv6_add_addr+0x411/0x2000 [ 4365.382868][ T74] inet6_addr_add+0x30e/0xa40 [ 4365.382868][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4365.382868][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4365.382868][ T74] netlink_rcv_skb+0x130/0x360 [ 4365.382868][ T74] netlink_unicast+0x449/0x710 [ 4365.382868][ T74] netlink_sendmsg+0x723/0xbe0 [ 4365.382868][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4365.382868][ T74] ___sys_sendmsg+0xee/0x170 [ 4365.382868][ T74] __sys_sendmsg+0xcd/0x170 [ 4365.382868][ T74] do_syscall_64+0xc6/0x1e0 [ 4365.382868][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4365.382868][ T74] [ 4365.384851][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4365.384851][ T74] netdev_get_by_index+0x5e/0x80 [ 4365.384851][ T74] fib6_nh_init+0x3d8/0x1580 [ 4365.384851][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4365.384851][ T74] ip6_route_add+0x1c/0x140 [ 4365.384851][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4365.384851][ T74] addrconf_add_dev+0xe2/0x170 [ 4365.384851][ T74] inet6_addr_add+0x12f/0xa40 [ 4365.384851][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4365.384851][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4365.384851][ T74] netlink_rcv_skb+0x130/0x360 [ 4365.384851][ T74] netlink_unicast+0x449/0x710 [ 4365.384851][ T74] netlink_sendmsg+0x723/0xbe0 [ 4365.384851][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4365.384851][ T74] ___sys_sendmsg+0xee/0x170 [ 4365.384851][ T74] __sys_sendmsg+0xcd/0x170 [ 4365.384851][ T74] do_syscall_64+0xc6/0x1e0 [ 4365.384851][ T74] [ 4365.386807][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4365.386807][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4365.386807][ T74] ipv6_find_idev+0x102/0x170 [ 4365.386807][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4365.386807][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4365.386807][ T74] netlink_rcv_skb+0x130/0x360 [ 4365.386807][ T74] netlink_unicast+0x449/0x710 [ 4365.386807][ T74] netlink_sendmsg+0x723/0xbe0 [ 4365.386807][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4365.386807][ T74] ___sys_sendmsg+0xee/0x170 [ 4365.386807][ T74] __sys_sendmsg+0xcd/0x170 [ 4365.386807][ T74] do_syscall_64+0xc6/0x1e0 [ 4365.386807][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4365.386807][ T74] [ 4365.388356][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4365.388356][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4365.388356][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4365.388356][ T74] ipv6_find_idev+0x102/0x170 [ 4365.388356][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4365.388356][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4365.388356][ T74] netlink_rcv_skb+0x130/0x360 [ 4365.388356][ T74] netlink_unicast+0x449/0x710 [ 4365.388356][ T74] netlink_sendmsg+0x723/0xbe0 [ 4365.388356][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4365.388356][ T74] ___sys_sendmsg+0xee/0x170 [ 4365.388356][ T74] __sys_sendmsg+0xcd/0x170 [ 4365.388356][ T74] do_syscall_64+0xc6/0x1e0 [ 4365.388356][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4365.388356][ T74] [ 4365.390038][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4365.390693][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4365.390693][ T74] dst_init+0x84/0x4a0 [ 4365.390693][ T74] dst_alloc+0x97/0x150 [ 4365.390693][ T74] ip6_dst_alloc+0x23/0x90 [ 4365.390693][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4365.390693][ T74] ip6_pol_route+0x56f/0x840 [ 4365.390693][ T74] fib6_rule_lookup+0x456/0x630 [ 4365.390693][ T74] ip6_route_input+0x59c/0xa50 [ 4365.390693][ T74] ipv6_rcv+0x397/0x810 [ 4365.390693][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4365.390693][ T74] process_backlog+0x101/0x620 [ 4365.390693][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4365.390693][ T74] net_rx_action+0x495/0xbe0 [ 4365.390693][ T74] __do_softirq+0x1b5/0x7f6 [ 4365.390693][ T74] [ 4365.392322][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4365.392322][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4365.392322][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4365.392322][ T74] fib6_nh_init+0xa22/0x1580 [ 4365.392322][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4365.392322][ T74] ip6_route_add+0x1c/0x140 [ 4365.392322][ T74] inet6_rtm_newroute+0x104/0x110 [ 4365.392322][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4365.392322][ T74] netlink_rcv_skb+0x130/0x360 [ 4365.392322][ T74] netlink_unicast+0x449/0x710 [ 4365.392322][ T74] netlink_sendmsg+0x723/0xbe0 [ 4365.392322][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4365.392322][ T74] ___sys_sendmsg+0xee/0x170 [ 4365.392322][ T74] __sys_sendmsg+0xcd/0x170 [ 4365.392322][ T74] do_syscall_64+0xc6/0x1e0 [ 4365.392322][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4365.392322][ T74] [ 4365.394190][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4365.394190][ T74] netdev_get_by_index+0x5e/0x80 [ 4365.394190][ T74] fib6_nh_init+0x3d8/0x1580 [ 4365.394190][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4365.394190][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4365.394190][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4365.394190][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4365.394190][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4365.394190][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4365.394190][ T74] addrconf_dad_begin+0x310/0x670 [ 4365.394190][ T74] addrconf_dad_work+0x10b/0xab0 [ 4365.394190][ T74] process_one_work+0x84d/0x18a0 [ 4365.394190][ T74] worker_thread+0x587/0xd30 [ 4365.394190][ T74] kthread+0x28a/0x350 [ 4365.394190][ T74] ret_from_fork+0x31/0x70 [ 4365.394190][ T74] ret_from_fork_asm+0x1a/0x30 [ 4365.394190][ T74] [ 4365.396090][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4365.396090][ T74] netdev_get_by_index+0x5e/0x80 [ 4365.396090][ T74] fib6_nh_init+0x3d8/0x1580 [ 4365.396090][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4365.396090][ T74] ip6_route_add+0x1c/0x140 [ 4365.396090][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4365.396090][ T74] inet6_addr_add+0x4f8/0xa40 [ 4365.396090][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4365.396090][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4365.396090][ T74] netlink_rcv_skb+0x130/0x360 [ 4365.396090][ T74] netlink_unicast+0x449/0x710 [ 4365.396090][ T74] netlink_sendmsg+0x723/0xbe0 [ 4365.396090][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4365.396090][ T74] ___sys_sendmsg+0xee/0x170 [ 4365.396090][ T74] __sys_sendmsg+0xcd/0x170 [ 4365.396090][ T74] do_syscall_64+0xc6/0x1e0 [ 4365.396090][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4365.396090][ T74] [ 4365.398080][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4365.398080][ T74] netdev_get_by_index+0x5e/0x80 [ 4365.398080][ T74] fib6_nh_init+0x3d8/0x1580 [ 4365.398080][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4365.398080][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4365.398080][ T74] ipv6_add_addr+0x411/0x2000 [ 4365.398080][ T74] inet6_addr_add+0x30e/0xa40 [ 4365.398080][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4365.398080][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4365.398080][ T74] netlink_rcv_skb+0x130/0x360 [ 4365.398080][ T74] netlink_unicast+0x449/0x710 [ 4365.398080][ T74] netlink_sendmsg+0x723/0xbe0 [ 4365.398080][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4365.398080][ T74] ___sys_sendmsg+0xee/0x170 [ 4365.398080][ T74] __sys_sendmsg+0xcd/0x170 [ 4365.398080][ T74] do_syscall_64+0xc6/0x1e0 [ 4365.398080][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4365.398080][ T74] [ 4365.400063][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4365.400063][ T74] netdev_get_by_index+0x5e/0x80 [ 4365.400063][ T74] fib6_nh_init+0x3d8/0x1580 [ 4365.400063][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4365.400063][ T74] ip6_route_add+0x1c/0x140 [ 4365.400063][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4365.400063][ T74] addrconf_add_dev+0xe2/0x170 [ 4365.400063][ T74] inet6_addr_add+0x12f/0xa40 [ 4365.400063][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4365.400063][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4365.400063][ T74] netlink_rcv_skb+0x130/0x360 [ 4365.400063][ T74] netlink_unicast+0x449/0x710 [ 4365.400063][ T74] netlink_sendmsg+0x723/0xbe0 [ 4365.400063][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4365.400063][ T74] ___sys_sendmsg+0xee/0x170 [ 4365.400063][ T74] __sys_sendmsg+0xcd/0x170 [ 4365.400063][ T74] do_syscall_64+0xc6/0x1e0 [ 4365.400063][ T74] [ 4365.402009][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4365.402009][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4365.402009][ T74] ipv6_find_idev+0x102/0x170 [ 4365.402009][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4365.402009][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4365.402009][ T74] netlink_rcv_skb+0x130/0x360 [ 4365.402009][ T74] netlink_unicast+0x449/0x710 [ 4365.402009][ T74] netlink_sendmsg+0x723/0xbe0 [ 4365.402009][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4365.402009][ T74] ___sys_sendmsg+0xee/0x170 [ 4365.402009][ T74] __sys_sendmsg+0xcd/0x170 [ 4365.402009][ T74] do_syscall_64+0xc6/0x1e0 [ 4365.402009][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4365.402009][ T74] [ 4365.403664][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4365.403664][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4365.403664][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4365.403664][ T74] ipv6_find_idev+0x102/0x170 [ 4365.403664][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4365.403664][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4365.403664][ T74] netlink_rcv_skb+0x130/0x360 [ 4365.403664][ T74] netlink_unicast+0x449/0x710 [ 4365.403664][ T74] netlink_sendmsg+0x723/0xbe0 [ 4365.403664][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4365.403664][ T74] ___sys_sendmsg+0xee/0x170 [ 4365.403664][ T74] __sys_sendmsg+0xcd/0x170 [ 4365.403664][ T74] do_syscall_64+0xc6/0x1e0 [ 4365.403664][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4365.403664][ T74] [ 4365.405628][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4365.405865][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4365.405865][ T74] netdev_get_by_index+0x5e/0x80 [ 4365.405865][ T74] fib6_nh_init+0x3d8/0x1580 [ 4365.405865][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4365.405865][ T74] ip6_route_add+0x1c/0x140 [ 4365.405865][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4365.405865][ T74] inet6_addr_add+0x4f8/0xa40 [ 4365.405865][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4365.405865][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4365.405865][ T74] netlink_rcv_skb+0x130/0x360 [ 4365.405865][ T74] netlink_unicast+0x449/0x710 [ 4365.405865][ T74] netlink_sendmsg+0x723/0xbe0 [ 4365.405865][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4365.405865][ T74] ___sys_sendmsg+0xee/0x170 [ 4365.405865][ T74] __sys_sendmsg+0xcd/0x170 [ 4365.405865][ T74] do_syscall_64+0xc6/0x1e0 [ 4365.405865][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4365.405865][ T74] [ 4365.408097][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4365.408097][ T74] netdev_get_by_index+0x5e/0x80 [ 4365.408097][ T74] fib6_nh_init+0x3d8/0x1580 [ 4365.408097][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4365.408097][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4365.408097][ T74] ipv6_add_addr+0x411/0x2000 [ 4365.408097][ T74] inet6_addr_add+0x30e/0xa40 [ 4365.408097][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4365.408097][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4365.408097][ T74] netlink_rcv_skb+0x130/0x360 [ 4365.408097][ T74] netlink_unicast+0x449/0x710 [ 4365.408097][ T74] netlink_sendmsg+0x723/0xbe0 [ 4365.408097][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4365.408097][ T74] ___sys_sendmsg+0xee/0x170 [ 4365.408097][ T74] __sys_sendmsg+0xcd/0x170 [ 4365.408097][ T74] do_syscall_64+0xc6/0x1e0 [ 4365.408097][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4365.408097][ T74] [ 4365.410319][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4365.410319][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4365.410319][ T74] ipv6_find_idev+0x102/0x170 [ 4365.410319][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4365.410319][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4365.410319][ T74] netlink_rcv_skb+0x130/0x360 [ 4365.410319][ T74] netlink_unicast+0x449/0x710 [ 4365.410319][ T74] netlink_sendmsg+0x723/0xbe0 [ 4365.410319][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4365.410319][ T74] ___sys_sendmsg+0xee/0x170 [ 4365.410319][ T74] __sys_sendmsg+0xcd/0x170 [ 4365.410319][ T74] do_syscall_64+0xc6/0x1e0 [ 4365.410319][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4365.410319][ T74] [ 4365.411913][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4365.411913][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4365.411913][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4365.411913][ T74] ipv6_find_idev+0x102/0x170 [ 4365.411913][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4365.411913][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4365.411913][ T74] netlink_rcv_skb+0x130/0x360 [ 4365.411913][ T74] netlink_unicast+0x449/0x710 [ 4365.411913][ T74] netlink_sendmsg+0x723/0xbe0 [ 4365.411913][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4365.411913][ T74] ___sys_sendmsg+0xee/0x170 [ 4365.411913][ T74] __sys_sendmsg+0xcd/0x170 [ 4365.411913][ T74] do_syscall_64+0xc6/0x1e0 [ 4365.411913][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4365.411913][ T74] [ 4375.655973][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4375.656427][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4375.656427][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4375.656427][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4375.656427][ T74] fib6_nh_init+0xa22/0x1580 [ 4375.656427][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4375.656427][ T74] ip6_route_add+0x1c/0x140 [ 4375.656427][ T74] inet6_rtm_newroute+0x104/0x110 [ 4375.656427][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4375.656427][ T74] netlink_rcv_skb+0x130/0x360 [ 4375.656427][ T74] netlink_unicast+0x449/0x710 [ 4375.656427][ T74] netlink_sendmsg+0x723/0xbe0 [ 4375.656427][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4375.656427][ T74] ___sys_sendmsg+0xee/0x170 [ 4375.656427][ T74] __sys_sendmsg+0xcd/0x170 [ 4375.656427][ T74] do_syscall_64+0xc6/0x1e0 [ 4375.656427][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4375.656427][ T74] [ 4375.658361][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4375.658361][ T74] netdev_get_by_index+0x5e/0x80 [ 4375.658361][ T74] fib6_nh_init+0x3d8/0x1580 [ 4375.658361][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4375.658361][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4375.658361][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4375.658361][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4375.658361][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4375.658361][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4375.658361][ T74] addrconf_dad_begin+0x310/0x670 [ 4375.658361][ T74] addrconf_dad_work+0x10b/0xab0 [ 4375.658361][ T74] process_one_work+0x84d/0x18a0 [ 4375.658361][ T74] worker_thread+0x587/0xd30 [ 4375.658361][ T74] kthread+0x28a/0x350 [ 4375.658361][ T74] ret_from_fork+0x31/0x70 [ 4375.658361][ T74] ret_from_fork_asm+0x1a/0x30 [ 4375.658361][ T74] [ 4375.660315][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4375.660315][ T74] netdev_get_by_index+0x5e/0x80 [ 4375.660315][ T74] fib6_nh_init+0x3d8/0x1580 [ 4375.660315][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4375.660315][ T74] ip6_route_add+0x1c/0x140 [ 4375.660315][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4375.660315][ T74] inet6_addr_add+0x4f8/0xa40 [ 4375.660315][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4375.660315][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4375.660315][ T74] netlink_rcv_skb+0x130/0x360 [ 4375.660315][ T74] netlink_unicast+0x449/0x710 [ 4375.660315][ T74] netlink_sendmsg+0x723/0xbe0 [ 4375.660315][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4375.660315][ T74] ___sys_sendmsg+0xee/0x170 [ 4375.660315][ T74] __sys_sendmsg+0xcd/0x170 [ 4375.660315][ T74] do_syscall_64+0xc6/0x1e0 [ 4375.660315][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4375.660315][ T74] [ 4375.662327][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4375.662327][ T74] netdev_get_by_index+0x5e/0x80 [ 4375.662327][ T74] fib6_nh_init+0x3d8/0x1580 [ 4375.662327][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4375.662327][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4375.662327][ T74] ipv6_add_addr+0x411/0x2000 [ 4375.662327][ T74] inet6_addr_add+0x30e/0xa40 [ 4375.662327][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4375.662327][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4375.662327][ T74] netlink_rcv_skb+0x130/0x360 [ 4375.662327][ T74] netlink_unicast+0x449/0x710 [ 4375.662327][ T74] netlink_sendmsg+0x723/0xbe0 [ 4375.662327][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4375.662327][ T74] ___sys_sendmsg+0xee/0x170 [ 4375.662327][ T74] __sys_sendmsg+0xcd/0x170 [ 4375.662327][ T74] do_syscall_64+0xc6/0x1e0 [ 4375.662327][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4375.662327][ T74] [ 4375.664355][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4375.664355][ T74] netdev_get_by_index+0x5e/0x80 [ 4375.664355][ T74] fib6_nh_init+0x3d8/0x1580 [ 4375.664355][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4375.664355][ T74] ip6_route_add+0x1c/0x140 [ 4375.664355][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4375.664355][ T74] addrconf_add_dev+0xe2/0x170 [ 4375.664355][ T74] inet6_addr_add+0x12f/0xa40 [ 4375.664355][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4375.664355][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4375.664355][ T74] netlink_rcv_skb+0x130/0x360 [ 4375.664355][ T74] netlink_unicast+0x449/0x710 [ 4375.664355][ T74] netlink_sendmsg+0x723/0xbe0 [ 4375.664355][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4375.664355][ T74] ___sys_sendmsg+0xee/0x170 [ 4375.664355][ T74] __sys_sendmsg+0xcd/0x170 [ 4375.664355][ T74] do_syscall_64+0xc6/0x1e0 [ 4375.664355][ T74] [ 4375.666327][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4375.666327][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4375.666327][ T74] ipv6_find_idev+0x102/0x170 [ 4375.666327][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4375.666327][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4375.666327][ T74] netlink_rcv_skb+0x130/0x360 [ 4375.666327][ T74] netlink_unicast+0x449/0x710 [ 4375.666327][ T74] netlink_sendmsg+0x723/0xbe0 [ 4375.666327][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4375.666327][ T74] ___sys_sendmsg+0xee/0x170 [ 4375.666327][ T74] __sys_sendmsg+0xcd/0x170 [ 4375.666327][ T74] do_syscall_64+0xc6/0x1e0 [ 4375.666327][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4375.666327][ T74] [ 4375.667865][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4375.667865][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4375.667865][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4375.667865][ T74] ipv6_find_idev+0x102/0x170 [ 4375.667865][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4375.667865][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4375.667865][ T74] netlink_rcv_skb+0x130/0x360 [ 4375.667865][ T74] netlink_unicast+0x449/0x710 [ 4375.667865][ T74] netlink_sendmsg+0x723/0xbe0 [ 4375.667865][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4375.667865][ T74] ___sys_sendmsg+0xee/0x170 [ 4375.667865][ T74] __sys_sendmsg+0xcd/0x170 [ 4375.667865][ T74] do_syscall_64+0xc6/0x1e0 [ 4375.667865][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4375.667865][ T74] [ 4375.671670][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4375.671985][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4375.671985][ T74] dst_init+0x84/0x4a0 [ 4375.671985][ T74] dst_alloc+0x97/0x150 [ 4375.671985][ T74] ip6_dst_alloc+0x23/0x90 [ 4375.671985][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4375.671985][ T74] ip6_pol_route+0x56f/0x840 [ 4375.671985][ T74] fib6_rule_lookup+0x456/0x630 [ 4375.671985][ T74] ip6_route_input+0x59c/0xa50 [ 4375.671985][ T74] ipv6_rcv+0x397/0x810 [ 4375.671985][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4375.671985][ T74] process_backlog+0x101/0x620 [ 4375.671985][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4375.671985][ T74] net_rx_action+0x495/0xbe0 [ 4375.671985][ T74] __do_softirq+0x1b5/0x7f6 [ 4375.671985][ T74] [ 4375.673637][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4375.673637][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4375.673637][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4375.673637][ T74] fib6_nh_init+0xa22/0x1580 [ 4375.673637][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4375.673637][ T74] ip6_route_add+0x1c/0x140 [ 4375.673637][ T74] inet6_rtm_newroute+0x104/0x110 [ 4375.673637][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4375.673637][ T74] netlink_rcv_skb+0x130/0x360 [ 4375.673637][ T74] netlink_unicast+0x449/0x710 [ 4375.673637][ T74] netlink_sendmsg+0x723/0xbe0 [ 4375.673637][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4375.673637][ T74] ___sys_sendmsg+0xee/0x170 [ 4375.673637][ T74] __sys_sendmsg+0xcd/0x170 [ 4375.673637][ T74] do_syscall_64+0xc6/0x1e0 [ 4375.673637][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4375.673637][ T74] [ 4375.675519][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4375.675519][ T74] netdev_get_by_index+0x5e/0x80 [ 4375.675519][ T74] fib6_nh_init+0x3d8/0x1580 [ 4375.675519][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4375.675519][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4375.675519][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4375.675519][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4375.675519][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4375.675519][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4375.675519][ T74] addrconf_dad_begin+0x310/0x670 [ 4375.675519][ T74] addrconf_dad_work+0x10b/0xab0 [ 4375.675519][ T74] process_one_work+0x84d/0x18a0 [ 4375.675519][ T74] worker_thread+0x587/0xd30 [ 4375.675519][ T74] kthread+0x28a/0x350 [ 4375.675519][ T74] ret_from_fork+0x31/0x70 [ 4375.675519][ T74] ret_from_fork_asm+0x1a/0x30 [ 4375.675519][ T74] [ 4375.677418][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4375.677418][ T74] netdev_get_by_index+0x5e/0x80 [ 4375.677418][ T74] fib6_nh_init+0x3d8/0x1580 [ 4375.677418][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4375.677418][ T74] ip6_route_add+0x1c/0x140 [ 4375.677418][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4375.677418][ T74] inet6_addr_add+0x4f8/0xa40 [ 4375.677418][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4375.677418][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4375.677418][ T74] netlink_rcv_skb+0x130/0x360 [ 4375.677418][ T74] netlink_unicast+0x449/0x710 [ 4375.677418][ T74] netlink_sendmsg+0x723/0xbe0 [ 4375.677418][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4375.677418][ T74] ___sys_sendmsg+0xee/0x170 [ 4375.677418][ T74] __sys_sendmsg+0xcd/0x170 [ 4375.677418][ T74] do_syscall_64+0xc6/0x1e0 [ 4375.677418][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4375.677418][ T74] [ 4375.679417][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4375.679417][ T74] netdev_get_by_index+0x5e/0x80 [ 4375.679417][ T74] fib6_nh_init+0x3d8/0x1580 [ 4375.679417][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4375.679417][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4375.679417][ T74] ipv6_add_addr+0x411/0x2000 [ 4375.679417][ T74] inet6_addr_add+0x30e/0xa40 [ 4375.679417][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4375.679417][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4375.679417][ T74] netlink_rcv_skb+0x130/0x360 [ 4375.679417][ T74] netlink_unicast+0x449/0x710 [ 4375.679417][ T74] netlink_sendmsg+0x723/0xbe0 [ 4375.679417][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4375.679417][ T74] ___sys_sendmsg+0xee/0x170 [ 4375.679417][ T74] __sys_sendmsg+0xcd/0x170 [ 4375.679417][ T74] do_syscall_64+0xc6/0x1e0 [ 4375.679417][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4375.679417][ T74] [ 4375.681409][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4375.681409][ T74] netdev_get_by_index+0x5e/0x80 [ 4375.681409][ T74] fib6_nh_init+0x3d8/0x1580 [ 4375.681409][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4375.681409][ T74] ip6_route_add+0x1c/0x140 [ 4375.681409][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4375.681409][ T74] addrconf_add_dev+0xe2/0x170 [ 4375.681409][ T74] inet6_addr_add+0x12f/0xa40 [ 4375.681409][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4375.681409][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4375.681409][ T74] netlink_rcv_skb+0x130/0x360 [ 4375.681409][ T74] netlink_unicast+0x449/0x710 [ 4375.681409][ T74] netlink_sendmsg+0x723/0xbe0 [ 4375.681409][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4375.681409][ T74] ___sys_sendmsg+0xee/0x170 [ 4375.681409][ T74] __sys_sendmsg+0xcd/0x170 [ 4375.681409][ T74] do_syscall_64+0xc6/0x1e0 [ 4375.681409][ T74] [ 4375.683373][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4375.683373][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4375.683373][ T74] ipv6_find_idev+0x102/0x170 [ 4375.683373][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4375.683373][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4375.683373][ T74] netlink_rcv_skb+0x130/0x360 [ 4375.683373][ T74] netlink_unicast+0x449/0x710 [ 4375.683373][ T74] netlink_sendmsg+0x723/0xbe0 [ 4375.683373][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4375.683373][ T74] ___sys_sendmsg+0xee/0x170 [ 4375.683373][ T74] __sys_sendmsg+0xcd/0x170 [ 4375.683373][ T74] do_syscall_64+0xc6/0x1e0 [ 4375.683373][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4375.683373][ T74] [ 4375.685102][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4375.685102][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4375.685102][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4375.685102][ T74] ipv6_find_idev+0x102/0x170 [ 4375.685102][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4375.685102][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4375.685102][ T74] netlink_rcv_skb+0x130/0x360 [ 4375.685102][ T74] netlink_unicast+0x449/0x710 [ 4375.685102][ T74] netlink_sendmsg+0x723/0xbe0 [ 4375.685102][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4375.685102][ T74] ___sys_sendmsg+0xee/0x170 [ 4375.685102][ T74] __sys_sendmsg+0xcd/0x170 [ 4375.685102][ T74] do_syscall_64+0xc6/0x1e0 [ 4375.685102][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4375.685102][ T74] [ 4375.687035][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4375.687276][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4375.687276][ T74] netdev_get_by_index+0x5e/0x80 [ 4375.687276][ T74] fib6_nh_init+0x3d8/0x1580 [ 4375.687276][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4375.687276][ T74] ip6_route_add+0x1c/0x140 [ 4375.687276][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4375.687276][ T74] inet6_addr_add+0x4f8/0xa40 [ 4375.687276][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4375.687276][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4375.687276][ T74] netlink_rcv_skb+0x130/0x360 [ 4375.687276][ T74] netlink_unicast+0x449/0x710 [ 4375.687276][ T74] netlink_sendmsg+0x723/0xbe0 [ 4375.687276][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4375.687276][ T74] ___sys_sendmsg+0xee/0x170 [ 4375.687276][ T74] __sys_sendmsg+0xcd/0x170 [ 4375.687276][ T74] do_syscall_64+0xc6/0x1e0 [ 4375.687276][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4375.687276][ T74] [ 4375.689548][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4375.689548][ T74] netdev_get_by_index+0x5e/0x80 [ 4375.689548][ T74] fib6_nh_init+0x3d8/0x1580 [ 4375.689548][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4375.689548][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4375.689548][ T74] ipv6_add_addr+0x411/0x2000 [ 4375.689548][ T74] inet6_addr_add+0x30e/0xa40 [ 4375.689548][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4375.689548][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4375.689548][ T74] netlink_rcv_skb+0x130/0x360 [ 4375.689548][ T74] netlink_unicast+0x449/0x710 [ 4375.689548][ T74] netlink_sendmsg+0x723/0xbe0 [ 4375.689548][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4375.689548][ T74] ___sys_sendmsg+0xee/0x170 [ 4375.689548][ T74] __sys_sendmsg+0xcd/0x170 [ 4375.689548][ T74] do_syscall_64+0xc6/0x1e0 [ 4375.689548][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4375.689548][ T74] [ 4375.691783][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4375.691783][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4375.691783][ T74] ipv6_find_idev+0x102/0x170 [ 4375.691783][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4375.691783][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4375.691783][ T74] netlink_rcv_skb+0x130/0x360 [ 4375.691783][ T74] netlink_unicast+0x449/0x710 [ 4375.691783][ T74] netlink_sendmsg+0x723/0xbe0 [ 4375.691783][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4375.691783][ T74] ___sys_sendmsg+0xee/0x170 [ 4375.691783][ T74] __sys_sendmsg+0xcd/0x170 [ 4375.691783][ T74] do_syscall_64+0xc6/0x1e0 [ 4375.691783][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4375.691783][ T74] [ 4375.693522][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4375.693522][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4375.693522][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4375.693522][ T74] ipv6_find_idev+0x102/0x170 [ 4375.693522][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4375.693522][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4375.693522][ T74] netlink_rcv_skb+0x130/0x360 [ 4375.693522][ T74] netlink_unicast+0x449/0x710 [ 4375.693522][ T74] netlink_sendmsg+0x723/0xbe0 [ 4375.693522][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4375.693522][ T74] ___sys_sendmsg+0xee/0x170 [ 4375.693522][ T74] __sys_sendmsg+0xcd/0x170 [ 4375.693522][ T74] do_syscall_64+0xc6/0x1e0 [ 4375.693522][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4375.693522][ T74] [ 4385.935982][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4385.936405][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4385.936405][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4385.936405][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4385.936405][ T74] fib6_nh_init+0xa22/0x1580 [ 4385.936405][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4385.936405][ T74] ip6_route_add+0x1c/0x140 [ 4385.936405][ T74] inet6_rtm_newroute+0x104/0x110 [ 4385.936405][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4385.936405][ T74] netlink_rcv_skb+0x130/0x360 [ 4385.936405][ T74] netlink_unicast+0x449/0x710 [ 4385.936405][ T74] netlink_sendmsg+0x723/0xbe0 [ 4385.936405][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4385.936405][ T74] ___sys_sendmsg+0xee/0x170 [ 4385.936405][ T74] __sys_sendmsg+0xcd/0x170 [ 4385.936405][ T74] do_syscall_64+0xc6/0x1e0 [ 4385.936405][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4385.936405][ T74] [ 4385.938342][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4385.938342][ T74] netdev_get_by_index+0x5e/0x80 [ 4385.938342][ T74] fib6_nh_init+0x3d8/0x1580 [ 4385.938342][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4385.938342][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4385.938342][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4385.938342][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4385.938342][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4385.938342][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4385.938342][ T74] addrconf_dad_begin+0x310/0x670 [ 4385.938342][ T74] addrconf_dad_work+0x10b/0xab0 [ 4385.938342][ T74] process_one_work+0x84d/0x18a0 [ 4385.938342][ T74] worker_thread+0x587/0xd30 [ 4385.938342][ T74] kthread+0x28a/0x350 [ 4385.938342][ T74] ret_from_fork+0x31/0x70 [ 4385.938342][ T74] ret_from_fork_asm+0x1a/0x30 [ 4385.938342][ T74] [ 4385.940258][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4385.940258][ T74] netdev_get_by_index+0x5e/0x80 [ 4385.940258][ T74] fib6_nh_init+0x3d8/0x1580 [ 4385.940258][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4385.940258][ T74] ip6_route_add+0x1c/0x140 [ 4385.940258][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4385.940258][ T74] inet6_addr_add+0x4f8/0xa40 [ 4385.940258][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4385.940258][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4385.940258][ T74] netlink_rcv_skb+0x130/0x360 [ 4385.940258][ T74] netlink_unicast+0x449/0x710 [ 4385.940258][ T74] netlink_sendmsg+0x723/0xbe0 [ 4385.940258][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4385.940258][ T74] ___sys_sendmsg+0xee/0x170 [ 4385.940258][ T74] __sys_sendmsg+0xcd/0x170 [ 4385.940258][ T74] do_syscall_64+0xc6/0x1e0 [ 4385.940258][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4385.940258][ T74] [ 4385.942245][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4385.942245][ T74] netdev_get_by_index+0x5e/0x80 [ 4385.942245][ T74] fib6_nh_init+0x3d8/0x1580 [ 4385.942245][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4385.942245][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4385.942245][ T74] ipv6_add_addr+0x411/0x2000 [ 4385.942245][ T74] inet6_addr_add+0x30e/0xa40 [ 4385.942245][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4385.942245][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4385.942245][ T74] netlink_rcv_skb+0x130/0x360 [ 4385.942245][ T74] netlink_unicast+0x449/0x710 [ 4385.942245][ T74] netlink_sendmsg+0x723/0xbe0 [ 4385.942245][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4385.942245][ T74] ___sys_sendmsg+0xee/0x170 [ 4385.942245][ T74] __sys_sendmsg+0xcd/0x170 [ 4385.942245][ T74] do_syscall_64+0xc6/0x1e0 [ 4385.942245][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4385.942245][ T74] [ 4385.944255][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4385.944255][ T74] netdev_get_by_index+0x5e/0x80 [ 4385.944255][ T74] fib6_nh_init+0x3d8/0x1580 [ 4385.944255][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4385.944255][ T74] ip6_route_add+0x1c/0x140 [ 4385.944255][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4385.944255][ T74] addrconf_add_dev+0xe2/0x170 [ 4385.944255][ T74] inet6_addr_add+0x12f/0xa40 [ 4385.944255][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4385.944255][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4385.944255][ T74] netlink_rcv_skb+0x130/0x360 [ 4385.944255][ T74] netlink_unicast+0x449/0x710 [ 4385.944255][ T74] netlink_sendmsg+0x723/0xbe0 [ 4385.944255][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4385.944255][ T74] ___sys_sendmsg+0xee/0x170 [ 4385.944255][ T74] __sys_sendmsg+0xcd/0x170 [ 4385.944255][ T74] do_syscall_64+0xc6/0x1e0 [ 4385.944255][ T74] [ 4385.946741][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4385.946741][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4385.946741][ T74] ipv6_find_idev+0x102/0x170 [ 4385.946741][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4385.946741][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4385.946741][ T74] netlink_rcv_skb+0x130/0x360 [ 4385.946741][ T74] netlink_unicast+0x449/0x710 [ 4385.946741][ T74] netlink_sendmsg+0x723/0xbe0 [ 4385.946741][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4385.946741][ T74] ___sys_sendmsg+0xee/0x170 [ 4385.946741][ T74] __sys_sendmsg+0xcd/0x170 [ 4385.946741][ T74] do_syscall_64+0xc6/0x1e0 [ 4385.946741][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4385.946741][ T74] [ 4385.948291][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4385.948291][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4385.948291][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4385.948291][ T74] ipv6_find_idev+0x102/0x170 [ 4385.948291][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4385.948291][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4385.948291][ T74] netlink_rcv_skb+0x130/0x360 [ 4385.948291][ T74] netlink_unicast+0x449/0x710 [ 4385.948291][ T74] netlink_sendmsg+0x723/0xbe0 [ 4385.948291][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4385.948291][ T74] ___sys_sendmsg+0xee/0x170 [ 4385.948291][ T74] __sys_sendmsg+0xcd/0x170 [ 4385.948291][ T74] do_syscall_64+0xc6/0x1e0 [ 4385.948291][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4385.948291][ T74] [ 4385.949984][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4385.952365][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4385.952365][ T74] dst_init+0x84/0x4a0 [ 4385.952365][ T74] dst_alloc+0x97/0x150 [ 4385.952365][ T74] ip6_dst_alloc+0x23/0x90 [ 4385.952365][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4385.952365][ T74] ip6_pol_route+0x56f/0x840 [ 4385.952365][ T74] fib6_rule_lookup+0x456/0x630 [ 4385.952365][ T74] ip6_route_input+0x59c/0xa50 [ 4385.952365][ T74] ipv6_rcv+0x397/0x810 [ 4385.952365][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4385.952365][ T74] process_backlog+0x101/0x620 [ 4385.952365][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4385.952365][ T74] net_rx_action+0x495/0xbe0 [ 4385.952365][ T74] __do_softirq+0x1b5/0x7f6 [ 4385.952365][ T74] [ 4385.954029][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4385.954029][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4385.954029][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4385.954029][ T74] fib6_nh_init+0xa22/0x1580 [ 4385.954029][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4385.954029][ T74] ip6_route_add+0x1c/0x140 [ 4385.954029][ T74] inet6_rtm_newroute+0x104/0x110 [ 4385.954029][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4385.954029][ T74] netlink_rcv_skb+0x130/0x360 [ 4385.954029][ T74] netlink_unicast+0x449/0x710 [ 4385.954029][ T74] netlink_sendmsg+0x723/0xbe0 [ 4385.954029][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4385.954029][ T74] ___sys_sendmsg+0xee/0x170 [ 4385.954029][ T74] __sys_sendmsg+0xcd/0x170 [ 4385.954029][ T74] do_syscall_64+0xc6/0x1e0 [ 4385.954029][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4385.954029][ T74] [ 4385.955936][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4385.955936][ T74] netdev_get_by_index+0x5e/0x80 [ 4385.955936][ T74] fib6_nh_init+0x3d8/0x1580 [ 4385.955936][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4385.955936][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4385.955936][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4385.955936][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4385.955936][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4385.955936][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4385.955936][ T74] addrconf_dad_begin+0x310/0x670 [ 4385.955936][ T74] addrconf_dad_work+0x10b/0xab0 [ 4385.955936][ T74] process_one_work+0x84d/0x18a0 [ 4385.955936][ T74] worker_thread+0x587/0xd30 [ 4385.955936][ T74] kthread+0x28a/0x350 [ 4385.955936][ T74] ret_from_fork+0x31/0x70 [ 4385.955936][ T74] ret_from_fork_asm+0x1a/0x30 [ 4385.955936][ T74] [ 4385.957850][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4385.957850][ T74] netdev_get_by_index+0x5e/0x80 [ 4385.957850][ T74] fib6_nh_init+0x3d8/0x1580 [ 4385.957850][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4385.957850][ T74] ip6_route_add+0x1c/0x140 [ 4385.957850][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4385.957850][ T74] inet6_addr_add+0x4f8/0xa40 [ 4385.957850][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4385.957850][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4385.957850][ T74] netlink_rcv_skb+0x130/0x360 [ 4385.957850][ T74] netlink_unicast+0x449/0x710 [ 4385.957850][ T74] netlink_sendmsg+0x723/0xbe0 [ 4385.957850][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4385.957850][ T74] ___sys_sendmsg+0xee/0x170 [ 4385.957850][ T74] __sys_sendmsg+0xcd/0x170 [ 4385.957850][ T74] do_syscall_64+0xc6/0x1e0 [ 4385.957850][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4385.957850][ T74] [ 4385.959886][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4385.959886][ T74] netdev_get_by_index+0x5e/0x80 [ 4385.959886][ T74] fib6_nh_init+0x3d8/0x1580 [ 4385.959886][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4385.959886][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4385.959886][ T74] ipv6_add_addr+0x411/0x2000 [ 4385.959886][ T74] inet6_addr_add+0x30e/0xa40 [ 4385.959886][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4385.959886][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4385.959886][ T74] netlink_rcv_skb+0x130/0x360 [ 4385.959886][ T74] netlink_unicast+0x449/0x710 [ 4385.959886][ T74] netlink_sendmsg+0x723/0xbe0 [ 4385.959886][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4385.959886][ T74] ___sys_sendmsg+0xee/0x170 [ 4385.959886][ T74] __sys_sendmsg+0xcd/0x170 [ 4385.959886][ T74] do_syscall_64+0xc6/0x1e0 [ 4385.959886][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4385.959886][ T74] [ 4385.961903][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4385.961903][ T74] netdev_get_by_index+0x5e/0x80 [ 4385.961903][ T74] fib6_nh_init+0x3d8/0x1580 [ 4385.961903][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4385.961903][ T74] ip6_route_add+0x1c/0x140 [ 4385.961903][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4385.961903][ T74] addrconf_add_dev+0xe2/0x170 [ 4385.961903][ T74] inet6_addr_add+0x12f/0xa40 [ 4385.961903][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4385.961903][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4385.961903][ T74] netlink_rcv_skb+0x130/0x360 [ 4385.961903][ T74] netlink_unicast+0x449/0x710 [ 4385.961903][ T74] netlink_sendmsg+0x723/0xbe0 [ 4385.961903][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4385.961903][ T74] ___sys_sendmsg+0xee/0x170 [ 4385.961903][ T74] __sys_sendmsg+0xcd/0x170 [ 4385.961903][ T74] do_syscall_64+0xc6/0x1e0 [ 4385.961903][ T74] [ 4385.963891][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4385.963891][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4385.963891][ T74] ipv6_find_idev+0x102/0x170 [ 4385.963891][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4385.963891][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4385.963891][ T74] netlink_rcv_skb+0x130/0x360 [ 4385.963891][ T74] netlink_unicast+0x449/0x710 [ 4385.963891][ T74] netlink_sendmsg+0x723/0xbe0 [ 4385.963891][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4385.963891][ T74] ___sys_sendmsg+0xee/0x170 [ 4385.963891][ T74] __sys_sendmsg+0xcd/0x170 [ 4385.963891][ T74] do_syscall_64+0xc6/0x1e0 [ 4385.963891][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4385.963891][ T74] [ 4385.965624][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4385.965624][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4385.965624][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4385.965624][ T74] ipv6_find_idev+0x102/0x170 [ 4385.965624][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4385.965624][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4385.965624][ T74] netlink_rcv_skb+0x130/0x360 [ 4385.965624][ T74] netlink_unicast+0x449/0x710 [ 4385.965624][ T74] netlink_sendmsg+0x723/0xbe0 [ 4385.965624][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4385.965624][ T74] ___sys_sendmsg+0xee/0x170 [ 4385.965624][ T74] __sys_sendmsg+0xcd/0x170 [ 4385.965624][ T74] do_syscall_64+0xc6/0x1e0 [ 4385.965624][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4385.965624][ T74] [ 4385.967573][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4385.967811][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4385.967811][ T74] netdev_get_by_index+0x5e/0x80 [ 4385.967811][ T74] fib6_nh_init+0x3d8/0x1580 [ 4385.967811][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4385.967811][ T74] ip6_route_add+0x1c/0x140 [ 4385.967811][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4385.967811][ T74] inet6_addr_add+0x4f8/0xa40 [ 4385.967811][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4385.967811][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4385.967811][ T74] netlink_rcv_skb+0x130/0x360 [ 4385.967811][ T74] netlink_unicast+0x449/0x710 [ 4385.967811][ T74] netlink_sendmsg+0x723/0xbe0 [ 4385.967811][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4385.967811][ T74] ___sys_sendmsg+0xee/0x170 [ 4385.967811][ T74] __sys_sendmsg+0xcd/0x170 [ 4385.967811][ T74] do_syscall_64+0xc6/0x1e0 [ 4385.967811][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4385.967811][ T74] [ 4385.970081][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4385.970081][ T74] netdev_get_by_index+0x5e/0x80 [ 4385.970081][ T74] fib6_nh_init+0x3d8/0x1580 [ 4385.970081][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4385.970081][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4385.970081][ T74] ipv6_add_addr+0x411/0x2000 [ 4385.970081][ T74] inet6_addr_add+0x30e/0xa40 [ 4385.970081][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4385.970081][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4385.970081][ T74] netlink_rcv_skb+0x130/0x360 [ 4385.970081][ T74] netlink_unicast+0x449/0x710 [ 4385.970081][ T74] netlink_sendmsg+0x723/0xbe0 [ 4385.970081][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4385.970081][ T74] ___sys_sendmsg+0xee/0x170 [ 4385.970081][ T74] __sys_sendmsg+0xcd/0x170 [ 4385.970081][ T74] do_syscall_64+0xc6/0x1e0 [ 4385.970081][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4385.970081][ T74] [ 4385.972358][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4385.972358][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4385.972358][ T74] ipv6_find_idev+0x102/0x170 [ 4385.972358][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4385.972358][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4385.972358][ T74] netlink_rcv_skb+0x130/0x360 [ 4385.972358][ T74] netlink_unicast+0x449/0x710 [ 4385.972358][ T74] netlink_sendmsg+0x723/0xbe0 [ 4385.972358][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4385.972358][ T74] ___sys_sendmsg+0xee/0x170 [ 4385.972358][ T74] __sys_sendmsg+0xcd/0x170 [ 4385.972358][ T74] do_syscall_64+0xc6/0x1e0 [ 4385.972358][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4385.972358][ T74] [ 4385.974104][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4385.974104][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4385.974104][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4385.974104][ T74] ipv6_find_idev+0x102/0x170 [ 4385.974104][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4385.974104][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4385.974104][ T74] netlink_rcv_skb+0x130/0x360 [ 4385.974104][ T74] netlink_unicast+0x449/0x710 [ 4385.974104][ T74] netlink_sendmsg+0x723/0xbe0 [ 4385.974104][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4385.974104][ T74] ___sys_sendmsg+0xee/0x170 [ 4385.974104][ T74] __sys_sendmsg+0xcd/0x170 [ 4385.974104][ T74] do_syscall_64+0xc6/0x1e0 [ 4385.974104][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4385.974104][ T74] [ 4396.199998][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4396.200424][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4396.200424][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4396.200424][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4396.200424][ T74] fib6_nh_init+0xa22/0x1580 [ 4396.200424][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4396.200424][ T74] ip6_route_add+0x1c/0x140 [ 4396.200424][ T74] inet6_rtm_newroute+0x104/0x110 [ 4396.200424][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4396.200424][ T74] netlink_rcv_skb+0x130/0x360 [ 4396.200424][ T74] netlink_unicast+0x449/0x710 [ 4396.200424][ T74] netlink_sendmsg+0x723/0xbe0 [ 4396.200424][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4396.200424][ T74] ___sys_sendmsg+0xee/0x170 [ 4396.200424][ T74] __sys_sendmsg+0xcd/0x170 [ 4396.200424][ T74] do_syscall_64+0xc6/0x1e0 [ 4396.200424][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4396.200424][ T74] [ 4396.202369][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4396.202369][ T74] netdev_get_by_index+0x5e/0x80 [ 4396.202369][ T74] fib6_nh_init+0x3d8/0x1580 [ 4396.202369][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4396.202369][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4396.202369][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4396.202369][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4396.202369][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4396.202369][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4396.202369][ T74] addrconf_dad_begin+0x310/0x670 [ 4396.202369][ T74] addrconf_dad_work+0x10b/0xab0 [ 4396.202369][ T74] process_one_work+0x84d/0x18a0 [ 4396.202369][ T74] worker_thread+0x587/0xd30 [ 4396.202369][ T74] kthread+0x28a/0x350 [ 4396.202369][ T74] ret_from_fork+0x31/0x70 [ 4396.202369][ T74] ret_from_fork_asm+0x1a/0x30 [ 4396.202369][ T74] [ 4396.204313][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4396.204313][ T74] netdev_get_by_index+0x5e/0x80 [ 4396.204313][ T74] fib6_nh_init+0x3d8/0x1580 [ 4396.204313][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4396.204313][ T74] ip6_route_add+0x1c/0x140 [ 4396.204313][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4396.204313][ T74] inet6_addr_add+0x4f8/0xa40 [ 4396.204313][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4396.204313][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4396.204313][ T74] netlink_rcv_skb+0x130/0x360 [ 4396.204313][ T74] netlink_unicast+0x449/0x710 [ 4396.204313][ T74] netlink_sendmsg+0x723/0xbe0 [ 4396.204313][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4396.204313][ T74] ___sys_sendmsg+0xee/0x170 [ 4396.204313][ T74] __sys_sendmsg+0xcd/0x170 [ 4396.204313][ T74] do_syscall_64+0xc6/0x1e0 [ 4396.204313][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4396.204313][ T74] [ 4396.206333][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4396.206333][ T74] netdev_get_by_index+0x5e/0x80 [ 4396.206333][ T74] fib6_nh_init+0x3d8/0x1580 [ 4396.206333][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4396.206333][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4396.206333][ T74] ipv6_add_addr+0x411/0x2000 [ 4396.206333][ T74] inet6_addr_add+0x30e/0xa40 [ 4396.206333][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4396.206333][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4396.206333][ T74] netlink_rcv_skb+0x130/0x360 [ 4396.206333][ T74] netlink_unicast+0x449/0x710 [ 4396.206333][ T74] netlink_sendmsg+0x723/0xbe0 [ 4396.206333][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4396.206333][ T74] ___sys_sendmsg+0xee/0x170 [ 4396.206333][ T74] __sys_sendmsg+0xcd/0x170 [ 4396.206333][ T74] do_syscall_64+0xc6/0x1e0 [ 4396.206333][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4396.206333][ T74] [ 4396.208364][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4396.208364][ T74] netdev_get_by_index+0x5e/0x80 [ 4396.208364][ T74] fib6_nh_init+0x3d8/0x1580 [ 4396.208364][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4396.208364][ T74] ip6_route_add+0x1c/0x140 [ 4396.208364][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4396.208364][ T74] addrconf_add_dev+0xe2/0x170 [ 4396.208364][ T74] inet6_addr_add+0x12f/0xa40 [ 4396.208364][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4396.208364][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4396.208364][ T74] netlink_rcv_skb+0x130/0x360 [ 4396.208364][ T74] netlink_unicast+0x449/0x710 [ 4396.208364][ T74] netlink_sendmsg+0x723/0xbe0 [ 4396.208364][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4396.208364][ T74] ___sys_sendmsg+0xee/0x170 [ 4396.208364][ T74] __sys_sendmsg+0xcd/0x170 [ 4396.208364][ T74] do_syscall_64+0xc6/0x1e0 [ 4396.208364][ T74] [ 4396.210367][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4396.210367][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4396.210367][ T74] ipv6_find_idev+0x102/0x170 [ 4396.210367][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4396.210367][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4396.210367][ T74] netlink_rcv_skb+0x130/0x360 [ 4396.210367][ T74] netlink_unicast+0x449/0x710 [ 4396.210367][ T74] netlink_sendmsg+0x723/0xbe0 [ 4396.210367][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4396.210367][ T74] ___sys_sendmsg+0xee/0x170 [ 4396.210367][ T74] __sys_sendmsg+0xcd/0x170 [ 4396.210367][ T74] do_syscall_64+0xc6/0x1e0 [ 4396.210367][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4396.210367][ T74] [ 4396.211918][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4396.211918][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4396.211918][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4396.211918][ T74] ipv6_find_idev+0x102/0x170 [ 4396.211918][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4396.211918][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4396.211918][ T74] netlink_rcv_skb+0x130/0x360 [ 4396.211918][ T74] netlink_unicast+0x449/0x710 [ 4396.211918][ T74] netlink_sendmsg+0x723/0xbe0 [ 4396.211918][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4396.211918][ T74] ___sys_sendmsg+0xee/0x170 [ 4396.211918][ T74] __sys_sendmsg+0xcd/0x170 [ 4396.211918][ T74] do_syscall_64+0xc6/0x1e0 [ 4396.211918][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4396.211918][ T74] [ 4396.213643][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4396.213936][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4396.213936][ T74] dst_init+0x84/0x4a0 [ 4396.213936][ T74] dst_alloc+0x97/0x150 [ 4396.213936][ T74] ip6_dst_alloc+0x23/0x90 [ 4396.213936][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4396.213936][ T74] ip6_pol_route+0x56f/0x840 [ 4396.213936][ T74] fib6_rule_lookup+0x456/0x630 [ 4396.213936][ T74] ip6_route_input+0x59c/0xa50 [ 4396.213936][ T74] ipv6_rcv+0x397/0x810 [ 4396.213936][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4396.213936][ T74] process_backlog+0x101/0x620 [ 4396.213936][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4396.213936][ T74] net_rx_action+0x495/0xbe0 [ 4396.213936][ T74] __do_softirq+0x1b5/0x7f6 [ 4396.213936][ T74] [ 4396.215584][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4396.215584][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4396.215584][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4396.215584][ T74] fib6_nh_init+0xa22/0x1580 [ 4396.215584][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4396.215584][ T74] ip6_route_add+0x1c/0x140 [ 4396.215584][ T74] inet6_rtm_newroute+0x104/0x110 [ 4396.215584][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4396.215584][ T74] netlink_rcv_skb+0x130/0x360 [ 4396.215584][ T74] netlink_unicast+0x449/0x710 [ 4396.215584][ T74] netlink_sendmsg+0x723/0xbe0 [ 4396.215584][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4396.215584][ T74] ___sys_sendmsg+0xee/0x170 [ 4396.215584][ T74] __sys_sendmsg+0xcd/0x170 [ 4396.215584][ T74] do_syscall_64+0xc6/0x1e0 [ 4396.215584][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4396.215584][ T74] [ 4396.217487][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4396.217487][ T74] netdev_get_by_index+0x5e/0x80 [ 4396.217487][ T74] fib6_nh_init+0x3d8/0x1580 [ 4396.217487][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4396.217487][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4396.217487][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4396.217487][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4396.217487][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4396.217487][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4396.217487][ T74] addrconf_dad_begin+0x310/0x670 [ 4396.217487][ T74] addrconf_dad_work+0x10b/0xab0 [ 4396.217487][ T74] process_one_work+0x84d/0x18a0 [ 4396.217487][ T74] worker_thread+0x587/0xd30 [ 4396.217487][ T74] kthread+0x28a/0x350 [ 4396.217487][ T74] ret_from_fork+0x31/0x70 [ 4396.217487][ T74] ret_from_fork_asm+0x1a/0x30 [ 4396.217487][ T74] [ 4396.219416][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4396.219416][ T74] netdev_get_by_index+0x5e/0x80 [ 4396.219416][ T74] fib6_nh_init+0x3d8/0x1580 [ 4396.219416][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4396.219416][ T74] ip6_route_add+0x1c/0x140 [ 4396.219416][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4396.219416][ T74] inet6_addr_add+0x4f8/0xa40 [ 4396.219416][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4396.219416][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4396.219416][ T74] netlink_rcv_skb+0x130/0x360 [ 4396.219416][ T74] netlink_unicast+0x449/0x710 [ 4396.219416][ T74] netlink_sendmsg+0x723/0xbe0 [ 4396.219416][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4396.219416][ T74] ___sys_sendmsg+0xee/0x170 [ 4396.219416][ T74] __sys_sendmsg+0xcd/0x170 [ 4396.219416][ T74] do_syscall_64+0xc6/0x1e0 [ 4396.219416][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4396.219416][ T74] [ 4396.221432][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4396.221432][ T74] netdev_get_by_index+0x5e/0x80 [ 4396.221432][ T74] fib6_nh_init+0x3d8/0x1580 [ 4396.221432][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4396.221432][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4396.221432][ T74] ipv6_add_addr+0x411/0x2000 [ 4396.221432][ T74] inet6_addr_add+0x30e/0xa40 [ 4396.221432][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4396.221432][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4396.221432][ T74] netlink_rcv_skb+0x130/0x360 [ 4396.221432][ T74] netlink_unicast+0x449/0x710 [ 4396.221432][ T74] netlink_sendmsg+0x723/0xbe0 [ 4396.221432][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4396.221432][ T74] ___sys_sendmsg+0xee/0x170 [ 4396.221432][ T74] __sys_sendmsg+0xcd/0x170 [ 4396.221432][ T74] do_syscall_64+0xc6/0x1e0 [ 4396.221432][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4396.221432][ T74] [ 4396.223515][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4396.223515][ T74] netdev_get_by_index+0x5e/0x80 [ 4396.223515][ T74] fib6_nh_init+0x3d8/0x1580 [ 4396.223515][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4396.223515][ T74] ip6_route_add+0x1c/0x140 [ 4396.223515][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4396.223515][ T74] addrconf_add_dev+0xe2/0x170 [ 4396.223515][ T74] inet6_addr_add+0x12f/0xa40 [ 4396.223515][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4396.223515][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4396.223515][ T74] netlink_rcv_skb+0x130/0x360 [ 4396.223515][ T74] netlink_unicast+0x449/0x710 [ 4396.223515][ T74] netlink_sendmsg+0x723/0xbe0 [ 4396.223515][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4396.223515][ T74] ___sys_sendmsg+0xee/0x170 [ 4396.223515][ T74] __sys_sendmsg+0xcd/0x170 [ 4396.223515][ T74] do_syscall_64+0xc6/0x1e0 [ 4396.223515][ T74] [ 4396.225485][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4396.225485][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4396.225485][ T74] ipv6_find_idev+0x102/0x170 [ 4396.225485][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4396.225485][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4396.225485][ T74] netlink_rcv_skb+0x130/0x360 [ 4396.225485][ T74] netlink_unicast+0x449/0x710 [ 4396.225485][ T74] netlink_sendmsg+0x723/0xbe0 [ 4396.225485][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4396.225485][ T74] ___sys_sendmsg+0xee/0x170 [ 4396.225485][ T74] __sys_sendmsg+0xcd/0x170 [ 4396.225485][ T74] do_syscall_64+0xc6/0x1e0 [ 4396.225485][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4396.225485][ T74] [ 4396.227207][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4396.227207][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4396.227207][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4396.227207][ T74] ipv6_find_idev+0x102/0x170 [ 4396.227207][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4396.227207][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4396.227207][ T74] netlink_rcv_skb+0x130/0x360 [ 4396.227207][ T74] netlink_unicast+0x449/0x710 [ 4396.227207][ T74] netlink_sendmsg+0x723/0xbe0 [ 4396.227207][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4396.227207][ T74] ___sys_sendmsg+0xee/0x170 [ 4396.227207][ T74] __sys_sendmsg+0xcd/0x170 [ 4396.227207][ T74] do_syscall_64+0xc6/0x1e0 [ 4396.227207][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4396.227207][ T74] [ 4396.229145][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4396.229395][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4396.229395][ T74] netdev_get_by_index+0x5e/0x80 [ 4396.229395][ T74] fib6_nh_init+0x3d8/0x1580 [ 4396.229395][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4396.229395][ T74] ip6_route_add+0x1c/0x140 [ 4396.229395][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4396.229395][ T74] inet6_addr_add+0x4f8/0xa40 [ 4396.229395][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4396.229395][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4396.229395][ T74] netlink_rcv_skb+0x130/0x360 [ 4396.229395][ T74] netlink_unicast+0x449/0x710 [ 4396.229395][ T74] netlink_sendmsg+0x723/0xbe0 [ 4396.229395][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4396.229395][ T74] ___sys_sendmsg+0xee/0x170 [ 4396.229395][ T74] __sys_sendmsg+0xcd/0x170 [ 4396.229395][ T74] do_syscall_64+0xc6/0x1e0 [ 4396.229395][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4396.229395][ T74] [ 4396.231643][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4396.231643][ T74] netdev_get_by_index+0x5e/0x80 [ 4396.231643][ T74] fib6_nh_init+0x3d8/0x1580 [ 4396.231643][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4396.231643][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4396.231643][ T74] ipv6_add_addr+0x411/0x2000 [ 4396.231643][ T74] inet6_addr_add+0x30e/0xa40 [ 4396.231643][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4396.231643][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4396.231643][ T74] netlink_rcv_skb+0x130/0x360 [ 4396.231643][ T74] netlink_unicast+0x449/0x710 [ 4396.231643][ T74] netlink_sendmsg+0x723/0xbe0 [ 4396.231643][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4396.231643][ T74] ___sys_sendmsg+0xee/0x170 [ 4396.231643][ T74] __sys_sendmsg+0xcd/0x170 [ 4396.231643][ T74] do_syscall_64+0xc6/0x1e0 [ 4396.231643][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4396.231643][ T74] [ 4396.233878][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4396.233878][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4396.233878][ T74] ipv6_find_idev+0x102/0x170 [ 4396.233878][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4396.233878][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4396.233878][ T74] netlink_rcv_skb+0x130/0x360 [ 4396.233878][ T74] netlink_unicast+0x449/0x710 [ 4396.233878][ T74] netlink_sendmsg+0x723/0xbe0 [ 4396.233878][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4396.233878][ T74] ___sys_sendmsg+0xee/0x170 [ 4396.233878][ T74] __sys_sendmsg+0xcd/0x170 [ 4396.233878][ T74] do_syscall_64+0xc6/0x1e0 [ 4396.233878][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4396.233878][ T74] [ 4396.235615][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4396.235615][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4396.235615][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4396.235615][ T74] ipv6_find_idev+0x102/0x170 [ 4396.235615][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4396.235615][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4396.235615][ T74] netlink_rcv_skb+0x130/0x360 [ 4396.235615][ T74] netlink_unicast+0x449/0x710 [ 4396.235615][ T74] netlink_sendmsg+0x723/0xbe0 [ 4396.235615][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4396.235615][ T74] ___sys_sendmsg+0xee/0x170 [ 4396.235615][ T74] __sys_sendmsg+0xcd/0x170 [ 4396.235615][ T74] do_syscall_64+0xc6/0x1e0 [ 4396.235615][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4396.235615][ T74] [ 4406.479900][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4406.480340][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4406.480340][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4406.480340][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4406.480340][ T74] fib6_nh_init+0xa22/0x1580 [ 4406.480340][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4406.480340][ T74] ip6_route_add+0x1c/0x140 [ 4406.480340][ T74] inet6_rtm_newroute+0x104/0x110 [ 4406.480340][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4406.480340][ T74] netlink_rcv_skb+0x130/0x360 [ 4406.480340][ T74] netlink_unicast+0x449/0x710 [ 4406.480340][ T74] netlink_sendmsg+0x723/0xbe0 [ 4406.480340][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4406.480340][ T74] ___sys_sendmsg+0xee/0x170 [ 4406.480340][ T74] __sys_sendmsg+0xcd/0x170 [ 4406.480340][ T74] do_syscall_64+0xc6/0x1e0 [ 4406.480340][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4406.480340][ T74] [ 4406.482793][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4406.482793][ T74] netdev_get_by_index+0x5e/0x80 [ 4406.482793][ T74] fib6_nh_init+0x3d8/0x1580 [ 4406.482793][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4406.482793][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4406.482793][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4406.482793][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4406.482793][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4406.482793][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4406.482793][ T74] addrconf_dad_begin+0x310/0x670 [ 4406.482793][ T74] addrconf_dad_work+0x10b/0xab0 [ 4406.482793][ T74] process_one_work+0x84d/0x18a0 [ 4406.482793][ T74] worker_thread+0x587/0xd30 [ 4406.482793][ T74] kthread+0x28a/0x350 [ 4406.482793][ T74] ret_from_fork+0x31/0x70 [ 4406.482793][ T74] ret_from_fork_asm+0x1a/0x30 [ 4406.482793][ T74] [ 4406.484725][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4406.484725][ T74] netdev_get_by_index+0x5e/0x80 [ 4406.484725][ T74] fib6_nh_init+0x3d8/0x1580 [ 4406.484725][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4406.484725][ T74] ip6_route_add+0x1c/0x140 [ 4406.484725][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4406.484725][ T74] inet6_addr_add+0x4f8/0xa40 [ 4406.484725][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4406.484725][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4406.484725][ T74] netlink_rcv_skb+0x130/0x360 [ 4406.484725][ T74] netlink_unicast+0x449/0x710 [ 4406.484725][ T74] netlink_sendmsg+0x723/0xbe0 [ 4406.484725][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4406.484725][ T74] ___sys_sendmsg+0xee/0x170 [ 4406.484725][ T74] __sys_sendmsg+0xcd/0x170 [ 4406.484725][ T74] do_syscall_64+0xc6/0x1e0 [ 4406.484725][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4406.484725][ T74] [ 4406.486748][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4406.486748][ T74] netdev_get_by_index+0x5e/0x80 [ 4406.486748][ T74] fib6_nh_init+0x3d8/0x1580 [ 4406.486748][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4406.486748][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4406.486748][ T74] ipv6_add_addr+0x411/0x2000 [ 4406.486748][ T74] inet6_addr_add+0x30e/0xa40 [ 4406.486748][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4406.486748][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4406.486748][ T74] netlink_rcv_skb+0x130/0x360 [ 4406.486748][ T74] netlink_unicast+0x449/0x710 [ 4406.486748][ T74] netlink_sendmsg+0x723/0xbe0 [ 4406.486748][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4406.486748][ T74] ___sys_sendmsg+0xee/0x170 [ 4406.486748][ T74] __sys_sendmsg+0xcd/0x170 [ 4406.486748][ T74] do_syscall_64+0xc6/0x1e0 [ 4406.486748][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4406.486748][ T74] [ 4406.488775][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4406.488775][ T74] netdev_get_by_index+0x5e/0x80 [ 4406.488775][ T74] fib6_nh_init+0x3d8/0x1580 [ 4406.488775][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4406.488775][ T74] ip6_route_add+0x1c/0x140 [ 4406.488775][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4406.488775][ T74] addrconf_add_dev+0xe2/0x170 [ 4406.488775][ T74] inet6_addr_add+0x12f/0xa40 [ 4406.488775][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4406.488775][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4406.488775][ T74] netlink_rcv_skb+0x130/0x360 [ 4406.488775][ T74] netlink_unicast+0x449/0x710 [ 4406.488775][ T74] netlink_sendmsg+0x723/0xbe0 [ 4406.488775][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4406.488775][ T74] ___sys_sendmsg+0xee/0x170 [ 4406.488775][ T74] __sys_sendmsg+0xcd/0x170 [ 4406.488775][ T74] do_syscall_64+0xc6/0x1e0 [ 4406.488775][ T74] [ 4406.490900][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4406.490900][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4406.490900][ T74] ipv6_find_idev+0x102/0x170 [ 4406.490900][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4406.490900][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4406.490900][ T74] netlink_rcv_skb+0x130/0x360 [ 4406.490900][ T74] netlink_unicast+0x449/0x710 [ 4406.490900][ T74] netlink_sendmsg+0x723/0xbe0 [ 4406.490900][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4406.490900][ T74] ___sys_sendmsg+0xee/0x170 [ 4406.490900][ T74] __sys_sendmsg+0xcd/0x170 [ 4406.490900][ T74] do_syscall_64+0xc6/0x1e0 [ 4406.490900][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4406.490900][ T74] [ 4406.492462][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4406.492462][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4406.492462][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4406.492462][ T74] ipv6_find_idev+0x102/0x170 [ 4406.492462][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4406.492462][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4406.492462][ T74] netlink_rcv_skb+0x130/0x360 [ 4406.492462][ T74] netlink_unicast+0x449/0x710 [ 4406.492462][ T74] netlink_sendmsg+0x723/0xbe0 [ 4406.492462][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4406.492462][ T74] ___sys_sendmsg+0xee/0x170 [ 4406.492462][ T74] __sys_sendmsg+0xcd/0x170 [ 4406.492462][ T74] do_syscall_64+0xc6/0x1e0 [ 4406.492462][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4406.492462][ T74] [ 4406.494170][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4406.494444][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4406.494444][ T74] dst_init+0x84/0x4a0 [ 4406.494444][ T74] dst_alloc+0x97/0x150 [ 4406.494444][ T74] ip6_dst_alloc+0x23/0x90 [ 4406.494444][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4406.494444][ T74] ip6_pol_route+0x56f/0x840 [ 4406.494444][ T74] fib6_rule_lookup+0x456/0x630 [ 4406.494444][ T74] ip6_route_input+0x59c/0xa50 [ 4406.494444][ T74] ipv6_rcv+0x397/0x810 [ 4406.494444][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4406.494444][ T74] process_backlog+0x101/0x620 [ 4406.494444][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4406.494444][ T74] net_rx_action+0x495/0xbe0 [ 4406.494444][ T74] __do_softirq+0x1b5/0x7f6 [ 4406.494444][ T74] [ 4406.496085][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4406.496085][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4406.496085][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4406.496085][ T74] fib6_nh_init+0xa22/0x1580 [ 4406.496085][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4406.496085][ T74] ip6_route_add+0x1c/0x140 [ 4406.496085][ T74] inet6_rtm_newroute+0x104/0x110 [ 4406.496085][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4406.496085][ T74] netlink_rcv_skb+0x130/0x360 [ 4406.496085][ T74] netlink_unicast+0x449/0x710 [ 4406.496085][ T74] netlink_sendmsg+0x723/0xbe0 [ 4406.496085][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4406.496085][ T74] ___sys_sendmsg+0xee/0x170 [ 4406.496085][ T74] __sys_sendmsg+0xcd/0x170 [ 4406.496085][ T74] do_syscall_64+0xc6/0x1e0 [ 4406.496085][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4406.496085][ T74] [ 4406.498010][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4406.498010][ T74] netdev_get_by_index+0x5e/0x80 [ 4406.498010][ T74] fib6_nh_init+0x3d8/0x1580 [ 4406.498010][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4406.498010][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4406.498010][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4406.498010][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4406.498010][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4406.498010][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4406.498010][ T74] addrconf_dad_begin+0x310/0x670 [ 4406.498010][ T74] addrconf_dad_work+0x10b/0xab0 [ 4406.498010][ T74] process_one_work+0x84d/0x18a0 [ 4406.498010][ T74] worker_thread+0x587/0xd30 [ 4406.498010][ T74] kthread+0x28a/0x350 [ 4406.498010][ T74] ret_from_fork+0x31/0x70 [ 4406.498010][ T74] ret_from_fork_asm+0x1a/0x30 [ 4406.498010][ T74] [ 4406.499942][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4406.499942][ T74] netdev_get_by_index+0x5e/0x80 [ 4406.499942][ T74] fib6_nh_init+0x3d8/0x1580 [ 4406.499942][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4406.499942][ T74] ip6_route_add+0x1c/0x140 [ 4406.499942][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4406.499942][ T74] inet6_addr_add+0x4f8/0xa40 [ 4406.499942][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4406.499942][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4406.499942][ T74] netlink_rcv_skb+0x130/0x360 [ 4406.499942][ T74] netlink_unicast+0x449/0x710 [ 4406.499942][ T74] netlink_sendmsg+0x723/0xbe0 [ 4406.499942][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4406.499942][ T74] ___sys_sendmsg+0xee/0x170 [ 4406.499942][ T74] __sys_sendmsg+0xcd/0x170 [ 4406.499942][ T74] do_syscall_64+0xc6/0x1e0 [ 4406.499942][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4406.499942][ T74] [ 4406.501976][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4406.501976][ T74] netdev_get_by_index+0x5e/0x80 [ 4406.501976][ T74] fib6_nh_init+0x3d8/0x1580 [ 4406.501976][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4406.501976][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4406.501976][ T74] ipv6_add_addr+0x411/0x2000 [ 4406.501976][ T74] inet6_addr_add+0x30e/0xa40 [ 4406.501976][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4406.501976][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4406.501976][ T74] netlink_rcv_skb+0x130/0x360 [ 4406.501976][ T74] netlink_unicast+0x449/0x710 [ 4406.501976][ T74] netlink_sendmsg+0x723/0xbe0 [ 4406.501976][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4406.501976][ T74] ___sys_sendmsg+0xee/0x170 [ 4406.501976][ T74] __sys_sendmsg+0xcd/0x170 [ 4406.501976][ T74] do_syscall_64+0xc6/0x1e0 [ 4406.501976][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4406.501976][ T74] [ 4406.506354][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4406.506354][ T74] netdev_get_by_index+0x5e/0x80 [ 4406.506354][ T74] fib6_nh_init+0x3d8/0x1580 [ 4406.506354][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4406.506354][ T74] ip6_route_add+0x1c/0x140 [ 4406.506354][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4406.506354][ T74] addrconf_add_dev+0xe2/0x170 [ 4406.506354][ T74] inet6_addr_add+0x12f/0xa40 [ 4406.506354][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4406.506354][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4406.506354][ T74] netlink_rcv_skb+0x130/0x360 [ 4406.506354][ T74] netlink_unicast+0x449/0x710 [ 4406.506354][ T74] netlink_sendmsg+0x723/0xbe0 [ 4406.506354][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4406.506354][ T74] ___sys_sendmsg+0xee/0x170 [ 4406.506354][ T74] __sys_sendmsg+0xcd/0x170 [ 4406.506354][ T74] do_syscall_64+0xc6/0x1e0 [ 4406.506354][ T74] [ 4406.508331][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4406.508331][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4406.508331][ T74] ipv6_find_idev+0x102/0x170 [ 4406.508331][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4406.508331][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4406.508331][ T74] netlink_rcv_skb+0x130/0x360 [ 4406.508331][ T74] netlink_unicast+0x449/0x710 [ 4406.508331][ T74] netlink_sendmsg+0x723/0xbe0 [ 4406.508331][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4406.508331][ T74] ___sys_sendmsg+0xee/0x170 [ 4406.508331][ T74] __sys_sendmsg+0xcd/0x170 [ 4406.508331][ T74] do_syscall_64+0xc6/0x1e0 [ 4406.508331][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4406.508331][ T74] [ 4406.510014][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4406.510014][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4406.510014][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4406.510014][ T74] ipv6_find_idev+0x102/0x170 [ 4406.510014][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4406.510014][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4406.510014][ T74] netlink_rcv_skb+0x130/0x360 [ 4406.510014][ T74] netlink_unicast+0x449/0x710 [ 4406.510014][ T74] netlink_sendmsg+0x723/0xbe0 [ 4406.510014][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4406.510014][ T74] ___sys_sendmsg+0xee/0x170 [ 4406.510014][ T74] __sys_sendmsg+0xcd/0x170 [ 4406.510014][ T74] do_syscall_64+0xc6/0x1e0 [ 4406.510014][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4406.510014][ T74] [ 4406.511855][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4406.512114][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4406.512114][ T74] netdev_get_by_index+0x5e/0x80 [ 4406.512114][ T74] fib6_nh_init+0x3d8/0x1580 [ 4406.512114][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4406.512114][ T74] ip6_route_add+0x1c/0x140 [ 4406.512114][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4406.512114][ T74] inet6_addr_add+0x4f8/0xa40 [ 4406.512114][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4406.512114][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4406.512114][ T74] netlink_rcv_skb+0x130/0x360 [ 4406.512114][ T74] netlink_unicast+0x449/0x710 [ 4406.512114][ T74] netlink_sendmsg+0x723/0xbe0 [ 4406.512114][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4406.512114][ T74] ___sys_sendmsg+0xee/0x170 [ 4406.512114][ T74] __sys_sendmsg+0xcd/0x170 [ 4406.512114][ T74] do_syscall_64+0xc6/0x1e0 [ 4406.512114][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4406.512114][ T74] [ 4406.514253][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4406.514253][ T74] netdev_get_by_index+0x5e/0x80 [ 4406.514253][ T74] fib6_nh_init+0x3d8/0x1580 [ 4406.514253][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4406.514253][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4406.514253][ T74] ipv6_add_addr+0x411/0x2000 [ 4406.514253][ T74] inet6_addr_add+0x30e/0xa40 [ 4406.514253][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4406.514253][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4406.514253][ T74] netlink_rcv_skb+0x130/0x360 [ 4406.514253][ T74] netlink_unicast+0x449/0x710 [ 4406.514253][ T74] netlink_sendmsg+0x723/0xbe0 [ 4406.514253][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4406.514253][ T74] ___sys_sendmsg+0xee/0x170 [ 4406.514253][ T74] __sys_sendmsg+0xcd/0x170 [ 4406.514253][ T74] do_syscall_64+0xc6/0x1e0 [ 4406.514253][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4406.514253][ T74] [ 4406.516398][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4406.516398][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4406.516398][ T74] ipv6_find_idev+0x102/0x170 [ 4406.516398][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4406.516398][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4406.516398][ T74] netlink_rcv_skb+0x130/0x360 [ 4406.516398][ T74] netlink_unicast+0x449/0x710 [ 4406.516398][ T74] netlink_sendmsg+0x723/0xbe0 [ 4406.516398][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4406.516398][ T74] ___sys_sendmsg+0xee/0x170 [ 4406.516398][ T74] __sys_sendmsg+0xcd/0x170 [ 4406.516398][ T74] do_syscall_64+0xc6/0x1e0 [ 4406.516398][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4406.516398][ T74] [ 4406.519576][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4406.519576][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4406.519576][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4406.519576][ T74] ipv6_find_idev+0x102/0x170 [ 4406.519576][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4406.519576][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4406.519576][ T74] netlink_rcv_skb+0x130/0x360 [ 4406.519576][ T74] netlink_unicast+0x449/0x710 [ 4406.519576][ T74] netlink_sendmsg+0x723/0xbe0 [ 4406.519576][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4406.519576][ T74] ___sys_sendmsg+0xee/0x170 [ 4406.519576][ T74] __sys_sendmsg+0xcd/0x170 [ 4406.519576][ T74] do_syscall_64+0xc6/0x1e0 [ 4406.519576][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4406.519576][ T74] [ 4416.663966][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4416.664434][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4416.664434][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4416.664434][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4416.664434][ T74] fib6_nh_init+0xa22/0x1580 [ 4416.664434][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4416.664434][ T74] ip6_route_add+0x1c/0x140 [ 4416.664434][ T74] inet6_rtm_newroute+0x104/0x110 [ 4416.664434][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4416.664434][ T74] netlink_rcv_skb+0x130/0x360 [ 4416.664434][ T74] netlink_unicast+0x449/0x710 [ 4416.664434][ T74] netlink_sendmsg+0x723/0xbe0 [ 4416.664434][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4416.664434][ T74] ___sys_sendmsg+0xee/0x170 [ 4416.664434][ T74] __sys_sendmsg+0xcd/0x170 [ 4416.664434][ T74] do_syscall_64+0xc6/0x1e0 [ 4416.664434][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4416.664434][ T74] [ 4416.666383][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4416.666383][ T74] netdev_get_by_index+0x5e/0x80 [ 4416.666383][ T74] fib6_nh_init+0x3d8/0x1580 [ 4416.666383][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4416.666383][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4416.666383][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4416.666383][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4416.666383][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4416.666383][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4416.666383][ T74] addrconf_dad_begin+0x310/0x670 [ 4416.666383][ T74] addrconf_dad_work+0x10b/0xab0 [ 4416.666383][ T74] process_one_work+0x84d/0x18a0 [ 4416.666383][ T74] worker_thread+0x587/0xd30 [ 4416.666383][ T74] kthread+0x28a/0x350 [ 4416.666383][ T74] ret_from_fork+0x31/0x70 [ 4416.666383][ T74] ret_from_fork_asm+0x1a/0x30 [ 4416.666383][ T74] [ 4416.668344][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4416.668344][ T74] netdev_get_by_index+0x5e/0x80 [ 4416.668344][ T74] fib6_nh_init+0x3d8/0x1580 [ 4416.668344][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4416.668344][ T74] ip6_route_add+0x1c/0x140 [ 4416.668344][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4416.668344][ T74] inet6_addr_add+0x4f8/0xa40 [ 4416.668344][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4416.668344][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4416.668344][ T74] netlink_rcv_skb+0x130/0x360 [ 4416.668344][ T74] netlink_unicast+0x449/0x710 [ 4416.668344][ T74] netlink_sendmsg+0x723/0xbe0 [ 4416.668344][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4416.668344][ T74] ___sys_sendmsg+0xee/0x170 [ 4416.668344][ T74] __sys_sendmsg+0xcd/0x170 [ 4416.668344][ T74] do_syscall_64+0xc6/0x1e0 [ 4416.668344][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4416.668344][ T74] [ 4416.670371][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4416.670371][ T74] netdev_get_by_index+0x5e/0x80 [ 4416.670371][ T74] fib6_nh_init+0x3d8/0x1580 [ 4416.670371][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4416.670371][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4416.670371][ T74] ipv6_add_addr+0x411/0x2000 [ 4416.670371][ T74] inet6_addr_add+0x30e/0xa40 [ 4416.670371][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4416.670371][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4416.670371][ T74] netlink_rcv_skb+0x130/0x360 [ 4416.670371][ T74] netlink_unicast+0x449/0x710 [ 4416.670371][ T74] netlink_sendmsg+0x723/0xbe0 [ 4416.670371][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4416.670371][ T74] ___sys_sendmsg+0xee/0x170 [ 4416.670371][ T74] __sys_sendmsg+0xcd/0x170 [ 4416.670371][ T74] do_syscall_64+0xc6/0x1e0 [ 4416.670371][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4416.670371][ T74] [ 4416.672386][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4416.672386][ T74] netdev_get_by_index+0x5e/0x80 [ 4416.672386][ T74] fib6_nh_init+0x3d8/0x1580 [ 4416.672386][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4416.672386][ T74] ip6_route_add+0x1c/0x140 [ 4416.672386][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4416.672386][ T74] addrconf_add_dev+0xe2/0x170 [ 4416.672386][ T74] inet6_addr_add+0x12f/0xa40 [ 4416.672386][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4416.672386][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4416.672386][ T74] netlink_rcv_skb+0x130/0x360 [ 4416.672386][ T74] netlink_unicast+0x449/0x710 [ 4416.672386][ T74] netlink_sendmsg+0x723/0xbe0 [ 4416.672386][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4416.672386][ T74] ___sys_sendmsg+0xee/0x170 [ 4416.672386][ T74] __sys_sendmsg+0xcd/0x170 [ 4416.672386][ T74] do_syscall_64+0xc6/0x1e0 [ 4416.672386][ T74] [ 4416.674380][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4416.674380][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4416.674380][ T74] ipv6_find_idev+0x102/0x170 [ 4416.674380][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4416.674380][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4416.674380][ T74] netlink_rcv_skb+0x130/0x360 [ 4416.674380][ T74] netlink_unicast+0x449/0x710 [ 4416.674380][ T74] netlink_sendmsg+0x723/0xbe0 [ 4416.674380][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4416.674380][ T74] ___sys_sendmsg+0xee/0x170 [ 4416.674380][ T74] __sys_sendmsg+0xcd/0x170 [ 4416.674380][ T74] do_syscall_64+0xc6/0x1e0 [ 4416.674380][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4416.674380][ T74] [ 4416.675930][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4416.675930][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4416.675930][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4416.675930][ T74] ipv6_find_idev+0x102/0x170 [ 4416.675930][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4416.675930][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4416.675930][ T74] netlink_rcv_skb+0x130/0x360 [ 4416.675930][ T74] netlink_unicast+0x449/0x710 [ 4416.675930][ T74] netlink_sendmsg+0x723/0xbe0 [ 4416.675930][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4416.675930][ T74] ___sys_sendmsg+0xee/0x170 [ 4416.675930][ T74] __sys_sendmsg+0xcd/0x170 [ 4416.675930][ T74] do_syscall_64+0xc6/0x1e0 [ 4416.675930][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4416.675930][ T74] [ 4416.677609][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4416.677895][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4416.677895][ T74] dst_init+0x84/0x4a0 [ 4416.677895][ T74] dst_alloc+0x97/0x150 [ 4416.677895][ T74] ip6_dst_alloc+0x23/0x90 [ 4416.677895][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4416.677895][ T74] ip6_pol_route+0x56f/0x840 [ 4416.677895][ T74] fib6_rule_lookup+0x456/0x630 [ 4416.677895][ T74] ip6_route_input+0x59c/0xa50 [ 4416.677895][ T74] ipv6_rcv+0x397/0x810 [ 4416.677895][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4416.677895][ T74] process_backlog+0x101/0x620 [ 4416.677895][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4416.677895][ T74] net_rx_action+0x495/0xbe0 [ 4416.677895][ T74] __do_softirq+0x1b5/0x7f6 [ 4416.677895][ T74] [ 4416.679524][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4416.679524][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4416.679524][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4416.679524][ T74] fib6_nh_init+0xa22/0x1580 [ 4416.679524][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4416.679524][ T74] ip6_route_add+0x1c/0x140 [ 4416.679524][ T74] inet6_rtm_newroute+0x104/0x110 [ 4416.679524][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4416.679524][ T74] netlink_rcv_skb+0x130/0x360 [ 4416.679524][ T74] netlink_unicast+0x449/0x710 [ 4416.679524][ T74] netlink_sendmsg+0x723/0xbe0 [ 4416.679524][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4416.679524][ T74] ___sys_sendmsg+0xee/0x170 [ 4416.679524][ T74] __sys_sendmsg+0xcd/0x170 [ 4416.679524][ T74] do_syscall_64+0xc6/0x1e0 [ 4416.679524][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4416.679524][ T74] [ 4416.681389][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4416.681389][ T74] netdev_get_by_index+0x5e/0x80 [ 4416.681389][ T74] fib6_nh_init+0x3d8/0x1580 [ 4416.681389][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4416.681389][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4416.681389][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4416.681389][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4416.681389][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4416.681389][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4416.681389][ T74] addrconf_dad_begin+0x310/0x670 [ 4416.681389][ T74] addrconf_dad_work+0x10b/0xab0 [ 4416.681389][ T74] process_one_work+0x84d/0x18a0 [ 4416.681389][ T74] worker_thread+0x587/0xd30 [ 4416.681389][ T74] kthread+0x28a/0x350 [ 4416.681389][ T74] ret_from_fork+0x31/0x70 [ 4416.681389][ T74] ret_from_fork_asm+0x1a/0x30 [ 4416.681389][ T74] [ 4416.683281][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4416.683281][ T74] netdev_get_by_index+0x5e/0x80 [ 4416.683281][ T74] fib6_nh_init+0x3d8/0x1580 [ 4416.683281][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4416.683281][ T74] ip6_route_add+0x1c/0x140 [ 4416.683281][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4416.683281][ T74] inet6_addr_add+0x4f8/0xa40 [ 4416.683281][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4416.683281][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4416.683281][ T74] netlink_rcv_skb+0x130/0x360 [ 4416.683281][ T74] netlink_unicast+0x449/0x710 [ 4416.683281][ T74] netlink_sendmsg+0x723/0xbe0 [ 4416.683281][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4416.683281][ T74] ___sys_sendmsg+0xee/0x170 [ 4416.683281][ T74] __sys_sendmsg+0xcd/0x170 [ 4416.683281][ T74] do_syscall_64+0xc6/0x1e0 [ 4416.683281][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4416.683281][ T74] [ 4416.685265][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4416.685265][ T74] netdev_get_by_index+0x5e/0x80 [ 4416.685265][ T74] fib6_nh_init+0x3d8/0x1580 [ 4416.685265][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4416.685265][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4416.685265][ T74] ipv6_add_addr+0x411/0x2000 [ 4416.685265][ T74] inet6_addr_add+0x30e/0xa40 [ 4416.685265][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4416.685265][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4416.685265][ T74] netlink_rcv_skb+0x130/0x360 [ 4416.685265][ T74] netlink_unicast+0x449/0x710 [ 4416.685265][ T74] netlink_sendmsg+0x723/0xbe0 [ 4416.685265][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4416.685265][ T74] ___sys_sendmsg+0xee/0x170 [ 4416.685265][ T74] __sys_sendmsg+0xcd/0x170 [ 4416.685265][ T74] do_syscall_64+0xc6/0x1e0 [ 4416.685265][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4416.685265][ T74] [ 4416.687249][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4416.687249][ T74] netdev_get_by_index+0x5e/0x80 [ 4416.687249][ T74] fib6_nh_init+0x3d8/0x1580 [ 4416.687249][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4416.687249][ T74] ip6_route_add+0x1c/0x140 [ 4416.687249][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4416.687249][ T74] addrconf_add_dev+0xe2/0x170 [ 4416.687249][ T74] inet6_addr_add+0x12f/0xa40 [ 4416.687249][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4416.687249][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4416.687249][ T74] netlink_rcv_skb+0x130/0x360 [ 4416.687249][ T74] netlink_unicast+0x449/0x710 [ 4416.687249][ T74] netlink_sendmsg+0x723/0xbe0 [ 4416.687249][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4416.687249][ T74] ___sys_sendmsg+0xee/0x170 [ 4416.687249][ T74] __sys_sendmsg+0xcd/0x170 [ 4416.687249][ T74] do_syscall_64+0xc6/0x1e0 [ 4416.687249][ T74] [ 4416.689368][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4416.689368][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4416.689368][ T74] ipv6_find_idev+0x102/0x170 [ 4416.689368][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4416.689368][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4416.689368][ T74] netlink_rcv_skb+0x130/0x360 [ 4416.689368][ T74] netlink_unicast+0x449/0x710 [ 4416.689368][ T74] netlink_sendmsg+0x723/0xbe0 [ 4416.689368][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4416.689368][ T74] ___sys_sendmsg+0xee/0x170 [ 4416.689368][ T74] __sys_sendmsg+0xcd/0x170 [ 4416.689368][ T74] do_syscall_64+0xc6/0x1e0 [ 4416.689368][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4416.689368][ T74] [ 4416.691095][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4416.691095][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4416.691095][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4416.691095][ T74] ipv6_find_idev+0x102/0x170 [ 4416.691095][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4416.691095][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4416.691095][ T74] netlink_rcv_skb+0x130/0x360 [ 4416.691095][ T74] netlink_unicast+0x449/0x710 [ 4416.691095][ T74] netlink_sendmsg+0x723/0xbe0 [ 4416.691095][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4416.691095][ T74] ___sys_sendmsg+0xee/0x170 [ 4416.691095][ T74] __sys_sendmsg+0xcd/0x170 [ 4416.691095][ T74] do_syscall_64+0xc6/0x1e0 [ 4416.691095][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4416.691095][ T74] [ 4416.692951][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4416.693228][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4416.693228][ T74] netdev_get_by_index+0x5e/0x80 [ 4416.693228][ T74] fib6_nh_init+0x3d8/0x1580 [ 4416.693228][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4416.693228][ T74] ip6_route_add+0x1c/0x140 [ 4416.693228][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4416.693228][ T74] inet6_addr_add+0x4f8/0xa40 [ 4416.693228][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4416.693228][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4416.693228][ T74] netlink_rcv_skb+0x130/0x360 [ 4416.693228][ T74] netlink_unicast+0x449/0x710 [ 4416.693228][ T74] netlink_sendmsg+0x723/0xbe0 [ 4416.693228][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4416.693228][ T74] ___sys_sendmsg+0xee/0x170 [ 4416.693228][ T74] __sys_sendmsg+0xcd/0x170 [ 4416.693228][ T74] do_syscall_64+0xc6/0x1e0 [ 4416.693228][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4416.693228][ T74] [ 4416.695533][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4416.695533][ T74] netdev_get_by_index+0x5e/0x80 [ 4416.695533][ T74] fib6_nh_init+0x3d8/0x1580 [ 4416.695533][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4416.695533][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4416.695533][ T74] ipv6_add_addr+0x411/0x2000 [ 4416.695533][ T74] inet6_addr_add+0x30e/0xa40 [ 4416.695533][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4416.695533][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4416.695533][ T74] netlink_rcv_skb+0x130/0x360 [ 4416.695533][ T74] netlink_unicast+0x449/0x710 [ 4416.695533][ T74] netlink_sendmsg+0x723/0xbe0 [ 4416.695533][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4416.695533][ T74] ___sys_sendmsg+0xee/0x170 [ 4416.695533][ T74] __sys_sendmsg+0xcd/0x170 [ 4416.695533][ T74] do_syscall_64+0xc6/0x1e0 [ 4416.695533][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4416.695533][ T74] [ 4416.697771][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4416.697771][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4416.697771][ T74] ipv6_find_idev+0x102/0x170 [ 4416.697771][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4416.697771][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4416.697771][ T74] netlink_rcv_skb+0x130/0x360 [ 4416.697771][ T74] netlink_unicast+0x449/0x710 [ 4416.697771][ T74] netlink_sendmsg+0x723/0xbe0 [ 4416.697771][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4416.697771][ T74] ___sys_sendmsg+0xee/0x170 [ 4416.697771][ T74] __sys_sendmsg+0xcd/0x170 [ 4416.697771][ T74] do_syscall_64+0xc6/0x1e0 [ 4416.697771][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4416.697771][ T74] [ 4416.699508][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4416.699508][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4416.699508][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4416.699508][ T74] ipv6_find_idev+0x102/0x170 [ 4416.699508][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4416.699508][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4416.699508][ T74] netlink_rcv_skb+0x130/0x360 [ 4416.699508][ T74] netlink_unicast+0x449/0x710 [ 4416.699508][ T74] netlink_sendmsg+0x723/0xbe0 [ 4416.699508][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4416.699508][ T74] ___sys_sendmsg+0xee/0x170 [ 4416.699508][ T74] __sys_sendmsg+0xcd/0x170 [ 4416.699508][ T74] do_syscall_64+0xc6/0x1e0 [ 4416.699508][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4416.699508][ T74] [ 4426.943919][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4426.944349][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4426.944349][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4426.944349][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4426.944349][ T74] fib6_nh_init+0xa22/0x1580 [ 4426.944349][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4426.944349][ T74] ip6_route_add+0x1c/0x140 [ 4426.944349][ T74] inet6_rtm_newroute+0x104/0x110 [ 4426.944349][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4426.944349][ T74] netlink_rcv_skb+0x130/0x360 [ 4426.944349][ T74] netlink_unicast+0x449/0x710 [ 4426.944349][ T74] netlink_sendmsg+0x723/0xbe0 [ 4426.944349][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4426.944349][ T74] ___sys_sendmsg+0xee/0x170 [ 4426.944349][ T74] __sys_sendmsg+0xcd/0x170 [ 4426.944349][ T74] do_syscall_64+0xc6/0x1e0 [ 4426.944349][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4426.944349][ T74] [ 4426.946303][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4426.946303][ T74] netdev_get_by_index+0x5e/0x80 [ 4426.946303][ T74] fib6_nh_init+0x3d8/0x1580 [ 4426.946303][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4426.946303][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4426.946303][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4426.946303][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4426.946303][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4426.946303][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4426.946303][ T74] addrconf_dad_begin+0x310/0x670 [ 4426.946303][ T74] addrconf_dad_work+0x10b/0xab0 [ 4426.946303][ T74] process_one_work+0x84d/0x18a0 [ 4426.946303][ T74] worker_thread+0x587/0xd30 [ 4426.946303][ T74] kthread+0x28a/0x350 [ 4426.946303][ T74] ret_from_fork+0x31/0x70 [ 4426.946303][ T74] ret_from_fork_asm+0x1a/0x30 [ 4426.946303][ T74] [ 4426.948258][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4426.948258][ T74] netdev_get_by_index+0x5e/0x80 [ 4426.948258][ T74] fib6_nh_init+0x3d8/0x1580 [ 4426.948258][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4426.948258][ T74] ip6_route_add+0x1c/0x140 [ 4426.948258][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4426.948258][ T74] inet6_addr_add+0x4f8/0xa40 [ 4426.948258][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4426.948258][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4426.948258][ T74] netlink_rcv_skb+0x130/0x360 [ 4426.948258][ T74] netlink_unicast+0x449/0x710 [ 4426.948258][ T74] netlink_sendmsg+0x723/0xbe0 [ 4426.948258][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4426.948258][ T74] ___sys_sendmsg+0xee/0x170 [ 4426.948258][ T74] __sys_sendmsg+0xcd/0x170 [ 4426.948258][ T74] do_syscall_64+0xc6/0x1e0 [ 4426.948258][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4426.948258][ T74] [ 4426.950296][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4426.950296][ T74] netdev_get_by_index+0x5e/0x80 [ 4426.950296][ T74] fib6_nh_init+0x3d8/0x1580 [ 4426.950296][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4426.950296][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4426.950296][ T74] ipv6_add_addr+0x411/0x2000 [ 4426.950296][ T74] inet6_addr_add+0x30e/0xa40 [ 4426.950296][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4426.950296][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4426.950296][ T74] netlink_rcv_skb+0x130/0x360 [ 4426.950296][ T74] netlink_unicast+0x449/0x710 [ 4426.950296][ T74] netlink_sendmsg+0x723/0xbe0 [ 4426.950296][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4426.950296][ T74] ___sys_sendmsg+0xee/0x170 [ 4426.950296][ T74] __sys_sendmsg+0xcd/0x170 [ 4426.950296][ T74] do_syscall_64+0xc6/0x1e0 [ 4426.950296][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4426.950296][ T74] [ 4426.952320][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4426.952320][ T74] netdev_get_by_index+0x5e/0x80 [ 4426.952320][ T74] fib6_nh_init+0x3d8/0x1580 [ 4426.952320][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4426.952320][ T74] ip6_route_add+0x1c/0x140 [ 4426.952320][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4426.952320][ T74] addrconf_add_dev+0xe2/0x170 [ 4426.952320][ T74] inet6_addr_add+0x12f/0xa40 [ 4426.952320][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4426.952320][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4426.952320][ T74] netlink_rcv_skb+0x130/0x360 [ 4426.952320][ T74] netlink_unicast+0x449/0x710 [ 4426.952320][ T74] netlink_sendmsg+0x723/0xbe0 [ 4426.952320][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4426.952320][ T74] ___sys_sendmsg+0xee/0x170 [ 4426.952320][ T74] __sys_sendmsg+0xcd/0x170 [ 4426.952320][ T74] do_syscall_64+0xc6/0x1e0 [ 4426.952320][ T74] [ 4426.954304][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4426.954304][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4426.954304][ T74] ipv6_find_idev+0x102/0x170 [ 4426.954304][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4426.954304][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4426.954304][ T74] netlink_rcv_skb+0x130/0x360 [ 4426.954304][ T74] netlink_unicast+0x449/0x710 [ 4426.954304][ T74] netlink_sendmsg+0x723/0xbe0 [ 4426.954304][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4426.954304][ T74] ___sys_sendmsg+0xee/0x170 [ 4426.954304][ T74] __sys_sendmsg+0xcd/0x170 [ 4426.954304][ T74] do_syscall_64+0xc6/0x1e0 [ 4426.954304][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4426.954304][ T74] [ 4426.955973][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4426.955973][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4426.955973][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4426.955973][ T74] ipv6_find_idev+0x102/0x170 [ 4426.955973][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4426.955973][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4426.955973][ T74] netlink_rcv_skb+0x130/0x360 [ 4426.955973][ T74] netlink_unicast+0x449/0x710 [ 4426.955973][ T74] netlink_sendmsg+0x723/0xbe0 [ 4426.955973][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4426.955973][ T74] ___sys_sendmsg+0xee/0x170 [ 4426.955973][ T74] __sys_sendmsg+0xcd/0x170 [ 4426.955973][ T74] do_syscall_64+0xc6/0x1e0 [ 4426.955973][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4426.955973][ T74] [ 4426.957696][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4426.958012][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4426.958012][ T74] dst_init+0x84/0x4a0 [ 4426.958012][ T74] dst_alloc+0x97/0x150 [ 4426.958012][ T74] ip6_dst_alloc+0x23/0x90 [ 4426.958012][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4426.958012][ T74] ip6_pol_route+0x56f/0x840 [ 4426.958012][ T74] fib6_rule_lookup+0x456/0x630 [ 4426.958012][ T74] ip6_route_input+0x59c/0xa50 [ 4426.958012][ T74] ipv6_rcv+0x397/0x810 [ 4426.958012][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4426.958012][ T74] process_backlog+0x101/0x620 [ 4426.958012][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4426.958012][ T74] net_rx_action+0x495/0xbe0 [ 4426.958012][ T74] __do_softirq+0x1b5/0x7f6 [ 4426.958012][ T74] [ 4426.959687][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4426.959687][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4426.959687][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4426.959687][ T74] fib6_nh_init+0xa22/0x1580 [ 4426.959687][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4426.959687][ T74] ip6_route_add+0x1c/0x140 [ 4426.959687][ T74] inet6_rtm_newroute+0x104/0x110 [ 4426.959687][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4426.959687][ T74] netlink_rcv_skb+0x130/0x360 [ 4426.959687][ T74] netlink_unicast+0x449/0x710 [ 4426.959687][ T74] netlink_sendmsg+0x723/0xbe0 [ 4426.959687][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4426.959687][ T74] ___sys_sendmsg+0xee/0x170 [ 4426.959687][ T74] __sys_sendmsg+0xcd/0x170 [ 4426.959687][ T74] do_syscall_64+0xc6/0x1e0 [ 4426.959687][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4426.959687][ T74] [ 4426.961600][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4426.961600][ T74] netdev_get_by_index+0x5e/0x80 [ 4426.961600][ T74] fib6_nh_init+0x3d8/0x1580 [ 4426.961600][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4426.961600][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4426.961600][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4426.961600][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4426.961600][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4426.961600][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4426.961600][ T74] addrconf_dad_begin+0x310/0x670 [ 4426.961600][ T74] addrconf_dad_work+0x10b/0xab0 [ 4426.961600][ T74] process_one_work+0x84d/0x18a0 [ 4426.961600][ T74] worker_thread+0x587/0xd30 [ 4426.961600][ T74] kthread+0x28a/0x350 [ 4426.961600][ T74] ret_from_fork+0x31/0x70 [ 4426.961600][ T74] ret_from_fork_asm+0x1a/0x30 [ 4426.961600][ T74] [ 4426.963533][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4426.963533][ T74] netdev_get_by_index+0x5e/0x80 [ 4426.963533][ T74] fib6_nh_init+0x3d8/0x1580 [ 4426.963533][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4426.963533][ T74] ip6_route_add+0x1c/0x140 [ 4426.963533][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4426.963533][ T74] inet6_addr_add+0x4f8/0xa40 [ 4426.963533][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4426.963533][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4426.963533][ T74] netlink_rcv_skb+0x130/0x360 [ 4426.963533][ T74] netlink_unicast+0x449/0x710 [ 4426.963533][ T74] netlink_sendmsg+0x723/0xbe0 [ 4426.963533][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4426.963533][ T74] ___sys_sendmsg+0xee/0x170 [ 4426.963533][ T74] __sys_sendmsg+0xcd/0x170 [ 4426.963533][ T74] do_syscall_64+0xc6/0x1e0 [ 4426.963533][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4426.963533][ T74] [ 4426.965562][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4426.965562][ T74] netdev_get_by_index+0x5e/0x80 [ 4426.965562][ T74] fib6_nh_init+0x3d8/0x1580 [ 4426.965562][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4426.965562][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4426.965562][ T74] ipv6_add_addr+0x411/0x2000 [ 4426.965562][ T74] inet6_addr_add+0x30e/0xa40 [ 4426.965562][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4426.965562][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4426.965562][ T74] netlink_rcv_skb+0x130/0x360 [ 4426.965562][ T74] netlink_unicast+0x449/0x710 [ 4426.965562][ T74] netlink_sendmsg+0x723/0xbe0 [ 4426.965562][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4426.965562][ T74] ___sys_sendmsg+0xee/0x170 [ 4426.965562][ T74] __sys_sendmsg+0xcd/0x170 [ 4426.965562][ T74] do_syscall_64+0xc6/0x1e0 [ 4426.965562][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4426.965562][ T74] [ 4426.967587][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4426.967587][ T74] netdev_get_by_index+0x5e/0x80 [ 4426.967587][ T74] fib6_nh_init+0x3d8/0x1580 [ 4426.967587][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4426.967587][ T74] ip6_route_add+0x1c/0x140 [ 4426.967587][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4426.967587][ T74] addrconf_add_dev+0xe2/0x170 [ 4426.967587][ T74] inet6_addr_add+0x12f/0xa40 [ 4426.967587][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4426.967587][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4426.967587][ T74] netlink_rcv_skb+0x130/0x360 [ 4426.967587][ T74] netlink_unicast+0x449/0x710 [ 4426.967587][ T74] netlink_sendmsg+0x723/0xbe0 [ 4426.967587][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4426.967587][ T74] ___sys_sendmsg+0xee/0x170 [ 4426.967587][ T74] __sys_sendmsg+0xcd/0x170 [ 4426.967587][ T74] do_syscall_64+0xc6/0x1e0 [ 4426.967587][ T74] [ 4426.969595][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4426.969595][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4426.969595][ T74] ipv6_find_idev+0x102/0x170 [ 4426.969595][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4426.969595][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4426.969595][ T74] netlink_rcv_skb+0x130/0x360 [ 4426.969595][ T74] netlink_unicast+0x449/0x710 [ 4426.969595][ T74] netlink_sendmsg+0x723/0xbe0 [ 4426.969595][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4426.969595][ T74] ___sys_sendmsg+0xee/0x170 [ 4426.969595][ T74] __sys_sendmsg+0xcd/0x170 [ 4426.969595][ T74] do_syscall_64+0xc6/0x1e0 [ 4426.969595][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4426.969595][ T74] [ 4426.971291][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4426.971291][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4426.971291][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4426.971291][ T74] ipv6_find_idev+0x102/0x170 [ 4426.971291][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4426.971291][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4426.971291][ T74] netlink_rcv_skb+0x130/0x360 [ 4426.971291][ T74] netlink_unicast+0x449/0x710 [ 4426.971291][ T74] netlink_sendmsg+0x723/0xbe0 [ 4426.971291][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4426.971291][ T74] ___sys_sendmsg+0xee/0x170 [ 4426.971291][ T74] __sys_sendmsg+0xcd/0x170 [ 4426.971291][ T74] do_syscall_64+0xc6/0x1e0 [ 4426.971291][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4426.971291][ T74] [ 4426.973071][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4426.973309][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4426.973309][ T74] netdev_get_by_index+0x5e/0x80 [ 4426.973309][ T74] fib6_nh_init+0x3d8/0x1580 [ 4426.973309][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4426.973309][ T74] ip6_route_add+0x1c/0x140 [ 4426.973309][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4426.973309][ T74] inet6_addr_add+0x4f8/0xa40 [ 4426.973309][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4426.973309][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4426.973309][ T74] netlink_rcv_skb+0x130/0x360 [ 4426.973309][ T74] netlink_unicast+0x449/0x710 [ 4426.973309][ T74] netlink_sendmsg+0x723/0xbe0 [ 4426.973309][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4426.973309][ T74] ___sys_sendmsg+0xee/0x170 [ 4426.973309][ T74] __sys_sendmsg+0xcd/0x170 [ 4426.973309][ T74] do_syscall_64+0xc6/0x1e0 [ 4426.973309][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4426.973309][ T74] [ 4426.975460][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4426.975460][ T74] netdev_get_by_index+0x5e/0x80 [ 4426.975460][ T74] fib6_nh_init+0x3d8/0x1580 [ 4426.975460][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4426.975460][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4426.975460][ T74] ipv6_add_addr+0x411/0x2000 [ 4426.975460][ T74] inet6_addr_add+0x30e/0xa40 [ 4426.975460][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4426.975460][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4426.975460][ T74] netlink_rcv_skb+0x130/0x360 [ 4426.975460][ T74] netlink_unicast+0x449/0x710 [ 4426.975460][ T74] netlink_sendmsg+0x723/0xbe0 [ 4426.975460][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4426.975460][ T74] ___sys_sendmsg+0xee/0x170 [ 4426.975460][ T74] __sys_sendmsg+0xcd/0x170 [ 4426.975460][ T74] do_syscall_64+0xc6/0x1e0 [ 4426.975460][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4426.975460][ T74] [ 4426.977624][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4426.977624][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4426.977624][ T74] ipv6_find_idev+0x102/0x170 [ 4426.977624][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4426.977624][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4426.977624][ T74] netlink_rcv_skb+0x130/0x360 [ 4426.977624][ T74] netlink_unicast+0x449/0x710 [ 4426.977624][ T74] netlink_sendmsg+0x723/0xbe0 [ 4426.977624][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4426.977624][ T74] ___sys_sendmsg+0xee/0x170 [ 4426.977624][ T74] __sys_sendmsg+0xcd/0x170 [ 4426.977624][ T74] do_syscall_64+0xc6/0x1e0 [ 4426.977624][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4426.977624][ T74] [ 4426.979322][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4426.979322][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4426.979322][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4426.979322][ T74] ipv6_find_idev+0x102/0x170 [ 4426.979322][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4426.979322][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4426.979322][ T74] netlink_rcv_skb+0x130/0x360 [ 4426.979322][ T74] netlink_unicast+0x449/0x710 [ 4426.979322][ T74] netlink_sendmsg+0x723/0xbe0 [ 4426.979322][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4426.979322][ T74] ___sys_sendmsg+0xee/0x170 [ 4426.979322][ T74] __sys_sendmsg+0xcd/0x170 [ 4426.979322][ T74] do_syscall_64+0xc6/0x1e0 [ 4426.979322][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4426.979322][ T74] [ 4437.223913][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4437.224344][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4437.224344][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4437.224344][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4437.224344][ T74] fib6_nh_init+0xa22/0x1580 [ 4437.224344][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4437.224344][ T74] ip6_route_add+0x1c/0x140 [ 4437.224344][ T74] inet6_rtm_newroute+0x104/0x110 [ 4437.224344][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4437.224344][ T74] netlink_rcv_skb+0x130/0x360 [ 4437.224344][ T74] netlink_unicast+0x449/0x710 [ 4437.224344][ T74] netlink_sendmsg+0x723/0xbe0 [ 4437.224344][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4437.224344][ T74] ___sys_sendmsg+0xee/0x170 [ 4437.224344][ T74] __sys_sendmsg+0xcd/0x170 [ 4437.224344][ T74] do_syscall_64+0xc6/0x1e0 [ 4437.224344][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4437.224344][ T74] [ 4437.226795][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4437.226795][ T74] netdev_get_by_index+0x5e/0x80 [ 4437.226795][ T74] fib6_nh_init+0x3d8/0x1580 [ 4437.226795][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4437.226795][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4437.226795][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4437.226795][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4437.226795][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4437.226795][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4437.226795][ T74] addrconf_dad_begin+0x310/0x670 [ 4437.226795][ T74] addrconf_dad_work+0x10b/0xab0 [ 4437.226795][ T74] process_one_work+0x84d/0x18a0 [ 4437.226795][ T74] worker_thread+0x587/0xd30 [ 4437.226795][ T74] kthread+0x28a/0x350 [ 4437.226795][ T74] ret_from_fork+0x31/0x70 [ 4437.226795][ T74] ret_from_fork_asm+0x1a/0x30 [ 4437.226795][ T74] [ 4437.228752][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4437.228752][ T74] netdev_get_by_index+0x5e/0x80 [ 4437.228752][ T74] fib6_nh_init+0x3d8/0x1580 [ 4437.228752][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4437.228752][ T74] ip6_route_add+0x1c/0x140 [ 4437.228752][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4437.228752][ T74] inet6_addr_add+0x4f8/0xa40 [ 4437.228752][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4437.228752][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4437.228752][ T74] netlink_rcv_skb+0x130/0x360 [ 4437.228752][ T74] netlink_unicast+0x449/0x710 [ 4437.228752][ T74] netlink_sendmsg+0x723/0xbe0 [ 4437.228752][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4437.228752][ T74] ___sys_sendmsg+0xee/0x170 [ 4437.228752][ T74] __sys_sendmsg+0xcd/0x170 [ 4437.228752][ T74] do_syscall_64+0xc6/0x1e0 [ 4437.228752][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4437.228752][ T74] [ 4437.230777][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4437.230777][ T74] netdev_get_by_index+0x5e/0x80 [ 4437.230777][ T74] fib6_nh_init+0x3d8/0x1580 [ 4437.230777][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4437.230777][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4437.230777][ T74] ipv6_add_addr+0x411/0x2000 [ 4437.230777][ T74] inet6_addr_add+0x30e/0xa40 [ 4437.230777][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4437.230777][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4437.230777][ T74] netlink_rcv_skb+0x130/0x360 [ 4437.230777][ T74] netlink_unicast+0x449/0x710 [ 4437.230777][ T74] netlink_sendmsg+0x723/0xbe0 [ 4437.230777][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4437.230777][ T74] ___sys_sendmsg+0xee/0x170 [ 4437.230777][ T74] __sys_sendmsg+0xcd/0x170 [ 4437.230777][ T74] do_syscall_64+0xc6/0x1e0 [ 4437.230777][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4437.230777][ T74] [ 4437.232812][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4437.232812][ T74] netdev_get_by_index+0x5e/0x80 [ 4437.232812][ T74] fib6_nh_init+0x3d8/0x1580 [ 4437.232812][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4437.232812][ T74] ip6_route_add+0x1c/0x140 [ 4437.232812][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4437.232812][ T74] addrconf_add_dev+0xe2/0x170 [ 4437.232812][ T74] inet6_addr_add+0x12f/0xa40 [ 4437.232812][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4437.232812][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4437.232812][ T74] netlink_rcv_skb+0x130/0x360 [ 4437.232812][ T74] netlink_unicast+0x449/0x710 [ 4437.232812][ T74] netlink_sendmsg+0x723/0xbe0 [ 4437.232812][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4437.232812][ T74] ___sys_sendmsg+0xee/0x170 [ 4437.232812][ T74] __sys_sendmsg+0xcd/0x170 [ 4437.232812][ T74] do_syscall_64+0xc6/0x1e0 [ 4437.232812][ T74] [ 4437.234791][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4437.234791][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4437.234791][ T74] ipv6_find_idev+0x102/0x170 [ 4437.234791][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4437.234791][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4437.234791][ T74] netlink_rcv_skb+0x130/0x360 [ 4437.234791][ T74] netlink_unicast+0x449/0x710 [ 4437.234791][ T74] netlink_sendmsg+0x723/0xbe0 [ 4437.234791][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4437.234791][ T74] ___sys_sendmsg+0xee/0x170 [ 4437.234791][ T74] __sys_sendmsg+0xcd/0x170 [ 4437.234791][ T74] do_syscall_64+0xc6/0x1e0 [ 4437.234791][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4437.234791][ T74] [ 4437.236364][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4437.236364][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4437.236364][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4437.236364][ T74] ipv6_find_idev+0x102/0x170 [ 4437.236364][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4437.236364][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4437.236364][ T74] netlink_rcv_skb+0x130/0x360 [ 4437.236364][ T74] netlink_unicast+0x449/0x710 [ 4437.236364][ T74] netlink_sendmsg+0x723/0xbe0 [ 4437.236364][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4437.236364][ T74] ___sys_sendmsg+0xee/0x170 [ 4437.236364][ T74] __sys_sendmsg+0xcd/0x170 [ 4437.236364][ T74] do_syscall_64+0xc6/0x1e0 [ 4437.236364][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4437.236364][ T74] [ 4437.238079][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4437.238365][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4437.238365][ T74] dst_init+0x84/0x4a0 [ 4437.238365][ T74] dst_alloc+0x97/0x150 [ 4437.238365][ T74] ip6_dst_alloc+0x23/0x90 [ 4437.238365][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4437.238365][ T74] ip6_pol_route+0x56f/0x840 [ 4437.238365][ T74] fib6_rule_lookup+0x456/0x630 [ 4437.238365][ T74] ip6_route_input+0x59c/0xa50 [ 4437.238365][ T74] ipv6_rcv+0x397/0x810 [ 4437.238365][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4437.238365][ T74] process_backlog+0x101/0x620 [ 4437.238365][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4437.238365][ T74] net_rx_action+0x495/0xbe0 [ 4437.238365][ T74] __do_softirq+0x1b5/0x7f6 [ 4437.238365][ T74] [ 4437.240028][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4437.240028][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4437.240028][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4437.240028][ T74] fib6_nh_init+0xa22/0x1580 [ 4437.240028][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4437.240028][ T74] ip6_route_add+0x1c/0x140 [ 4437.240028][ T74] inet6_rtm_newroute+0x104/0x110 [ 4437.240028][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4437.240028][ T74] netlink_rcv_skb+0x130/0x360 [ 4437.240028][ T74] netlink_unicast+0x449/0x710 [ 4437.240028][ T74] netlink_sendmsg+0x723/0xbe0 [ 4437.240028][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4437.240028][ T74] ___sys_sendmsg+0xee/0x170 [ 4437.240028][ T74] __sys_sendmsg+0xcd/0x170 [ 4437.240028][ T74] do_syscall_64+0xc6/0x1e0 [ 4437.240028][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4437.240028][ T74] [ 4437.241927][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4437.241927][ T74] netdev_get_by_index+0x5e/0x80 [ 4437.241927][ T74] fib6_nh_init+0x3d8/0x1580 [ 4437.241927][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4437.241927][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4437.241927][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4437.241927][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4437.241927][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4437.241927][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4437.241927][ T74] addrconf_dad_begin+0x310/0x670 [ 4437.241927][ T74] addrconf_dad_work+0x10b/0xab0 [ 4437.241927][ T74] process_one_work+0x84d/0x18a0 [ 4437.241927][ T74] worker_thread+0x587/0xd30 [ 4437.241927][ T74] kthread+0x28a/0x350 [ 4437.241927][ T74] ret_from_fork+0x31/0x70 [ 4437.241927][ T74] ret_from_fork_asm+0x1a/0x30 [ 4437.241927][ T74] [ 4437.243975][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4437.243975][ T74] netdev_get_by_index+0x5e/0x80 [ 4437.243975][ T74] fib6_nh_init+0x3d8/0x1580 [ 4437.243975][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4437.243975][ T74] ip6_route_add+0x1c/0x140 [ 4437.243975][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4437.243975][ T74] inet6_addr_add+0x4f8/0xa40 [ 4437.243975][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4437.243975][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4437.243975][ T74] netlink_rcv_skb+0x130/0x360 [ 4437.243975][ T74] netlink_unicast+0x449/0x710 [ 4437.243975][ T74] netlink_sendmsg+0x723/0xbe0 [ 4437.243975][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4437.243975][ T74] ___sys_sendmsg+0xee/0x170 [ 4437.243975][ T74] __sys_sendmsg+0xcd/0x170 [ 4437.243975][ T74] do_syscall_64+0xc6/0x1e0 [ 4437.243975][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4437.243975][ T74] [ 4437.246027][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4437.246027][ T74] netdev_get_by_index+0x5e/0x80 [ 4437.246027][ T74] fib6_nh_init+0x3d8/0x1580 [ 4437.246027][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4437.246027][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4437.246027][ T74] ipv6_add_addr+0x411/0x2000 [ 4437.246027][ T74] inet6_addr_add+0x30e/0xa40 [ 4437.246027][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4437.246027][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4437.246027][ T74] netlink_rcv_skb+0x130/0x360 [ 4437.246027][ T74] netlink_unicast+0x449/0x710 [ 4437.246027][ T74] netlink_sendmsg+0x723/0xbe0 [ 4437.246027][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4437.246027][ T74] ___sys_sendmsg+0xee/0x170 [ 4437.246027][ T74] __sys_sendmsg+0xcd/0x170 [ 4437.246027][ T74] do_syscall_64+0xc6/0x1e0 [ 4437.246027][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4437.246027][ T74] [ 4437.248078][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4437.248078][ T74] netdev_get_by_index+0x5e/0x80 [ 4437.248078][ T74] fib6_nh_init+0x3d8/0x1580 [ 4437.248078][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4437.248078][ T74] ip6_route_add+0x1c/0x140 [ 4437.248078][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4437.248078][ T74] addrconf_add_dev+0xe2/0x170 [ 4437.248078][ T74] inet6_addr_add+0x12f/0xa40 [ 4437.248078][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4437.248078][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4437.248078][ T74] netlink_rcv_skb+0x130/0x360 [ 4437.248078][ T74] netlink_unicast+0x449/0x710 [ 4437.248078][ T74] netlink_sendmsg+0x723/0xbe0 [ 4437.248078][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4437.248078][ T74] ___sys_sendmsg+0xee/0x170 [ 4437.248078][ T74] __sys_sendmsg+0xcd/0x170 [ 4437.248078][ T74] do_syscall_64+0xc6/0x1e0 [ 4437.248078][ T74] [ 4437.250058][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4437.250058][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4437.250058][ T74] ipv6_find_idev+0x102/0x170 [ 4437.250058][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4437.250058][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4437.250058][ T74] netlink_rcv_skb+0x130/0x360 [ 4437.250058][ T74] netlink_unicast+0x449/0x710 [ 4437.250058][ T74] netlink_sendmsg+0x723/0xbe0 [ 4437.250058][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4437.250058][ T74] ___sys_sendmsg+0xee/0x170 [ 4437.250058][ T74] __sys_sendmsg+0xcd/0x170 [ 4437.250058][ T74] do_syscall_64+0xc6/0x1e0 [ 4437.250058][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4437.250058][ T74] [ 4437.251734][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4437.251734][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4437.251734][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4437.251734][ T74] ipv6_find_idev+0x102/0x170 [ 4437.251734][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4437.251734][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4437.251734][ T74] netlink_rcv_skb+0x130/0x360 [ 4437.251734][ T74] netlink_unicast+0x449/0x710 [ 4437.251734][ T74] netlink_sendmsg+0x723/0xbe0 [ 4437.251734][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4437.251734][ T74] ___sys_sendmsg+0xee/0x170 [ 4437.251734][ T74] __sys_sendmsg+0xcd/0x170 [ 4437.251734][ T74] do_syscall_64+0xc6/0x1e0 [ 4437.251734][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4437.251734][ T74] [ 4437.253700][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4437.253952][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4437.253952][ T74] netdev_get_by_index+0x5e/0x80 [ 4437.253952][ T74] fib6_nh_init+0x3d8/0x1580 [ 4437.253952][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4437.253952][ T74] ip6_route_add+0x1c/0x140 [ 4437.253952][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4437.253952][ T74] inet6_addr_add+0x4f8/0xa40 [ 4437.253952][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4437.253952][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4437.253952][ T74] netlink_rcv_skb+0x130/0x360 [ 4437.253952][ T74] netlink_unicast+0x449/0x710 [ 4437.253952][ T74] netlink_sendmsg+0x723/0xbe0 [ 4437.253952][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4437.253952][ T74] ___sys_sendmsg+0xee/0x170 [ 4437.253952][ T74] __sys_sendmsg+0xcd/0x170 [ 4437.253952][ T74] do_syscall_64+0xc6/0x1e0 [ 4437.253952][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4437.253952][ T74] [ 4437.256235][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4437.256235][ T74] netdev_get_by_index+0x5e/0x80 [ 4437.256235][ T74] fib6_nh_init+0x3d8/0x1580 [ 4437.256235][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4437.256235][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4437.256235][ T74] ipv6_add_addr+0x411/0x2000 [ 4437.256235][ T74] inet6_addr_add+0x30e/0xa40 [ 4437.256235][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4437.256235][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4437.256235][ T74] netlink_rcv_skb+0x130/0x360 [ 4437.256235][ T74] netlink_unicast+0x449/0x710 [ 4437.256235][ T74] netlink_sendmsg+0x723/0xbe0 [ 4437.256235][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4437.256235][ T74] ___sys_sendmsg+0xee/0x170 [ 4437.256235][ T74] __sys_sendmsg+0xcd/0x170 [ 4437.256235][ T74] do_syscall_64+0xc6/0x1e0 [ 4437.256235][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4437.256235][ T74] [ 4437.258522][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4437.258522][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4437.258522][ T74] ipv6_find_idev+0x102/0x170 [ 4437.258522][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4437.258522][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4437.258522][ T74] netlink_rcv_skb+0x130/0x360 [ 4437.258522][ T74] netlink_unicast+0x449/0x710 [ 4437.258522][ T74] netlink_sendmsg+0x723/0xbe0 [ 4437.258522][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4437.258522][ T74] ___sys_sendmsg+0xee/0x170 [ 4437.258522][ T74] __sys_sendmsg+0xcd/0x170 [ 4437.258522][ T74] do_syscall_64+0xc6/0x1e0 [ 4437.258522][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4437.258522][ T74] [ 4437.260226][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4437.260226][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4437.260226][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4437.260226][ T74] ipv6_find_idev+0x102/0x170 [ 4437.260226][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4437.260226][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4437.260226][ T74] netlink_rcv_skb+0x130/0x360 [ 4437.260226][ T74] netlink_unicast+0x449/0x710 [ 4437.260226][ T74] netlink_sendmsg+0x723/0xbe0 [ 4437.260226][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4437.260226][ T74] ___sys_sendmsg+0xee/0x170 [ 4437.260226][ T74] __sys_sendmsg+0xcd/0x170 [ 4437.260226][ T74] do_syscall_64+0xc6/0x1e0 [ 4437.260226][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4437.260226][ T74] [ 4447.359953][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4447.360411][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4447.360411][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4447.360411][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4447.360411][ T74] fib6_nh_init+0xa22/0x1580 [ 4447.360411][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4447.360411][ T74] ip6_route_add+0x1c/0x140 [ 4447.360411][ T74] inet6_rtm_newroute+0x104/0x110 [ 4447.360411][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4447.360411][ T74] netlink_rcv_skb+0x130/0x360 [ 4447.360411][ T74] netlink_unicast+0x449/0x710 [ 4447.360411][ T74] netlink_sendmsg+0x723/0xbe0 [ 4447.360411][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4447.360411][ T74] ___sys_sendmsg+0xee/0x170 [ 4447.360411][ T74] __sys_sendmsg+0xcd/0x170 [ 4447.360411][ T74] do_syscall_64+0xc6/0x1e0 [ 4447.360411][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4447.360411][ T74] [ 4447.362322][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4447.362322][ T74] netdev_get_by_index+0x5e/0x80 [ 4447.362322][ T74] fib6_nh_init+0x3d8/0x1580 [ 4447.362322][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4447.362322][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4447.362322][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4447.362322][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4447.362322][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4447.362322][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4447.362322][ T74] addrconf_dad_begin+0x310/0x670 [ 4447.362322][ T74] addrconf_dad_work+0x10b/0xab0 [ 4447.362322][ T74] process_one_work+0x84d/0x18a0 [ 4447.362322][ T74] worker_thread+0x587/0xd30 [ 4447.362322][ T74] kthread+0x28a/0x350 [ 4447.362322][ T74] ret_from_fork+0x31/0x70 [ 4447.362322][ T74] ret_from_fork_asm+0x1a/0x30 [ 4447.362322][ T74] [ 4447.364255][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4447.364255][ T74] netdev_get_by_index+0x5e/0x80 [ 4447.364255][ T74] fib6_nh_init+0x3d8/0x1580 [ 4447.364255][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4447.364255][ T74] ip6_route_add+0x1c/0x140 [ 4447.364255][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4447.364255][ T74] inet6_addr_add+0x4f8/0xa40 [ 4447.364255][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4447.364255][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4447.364255][ T74] netlink_rcv_skb+0x130/0x360 [ 4447.364255][ T74] netlink_unicast+0x449/0x710 [ 4447.364255][ T74] netlink_sendmsg+0x723/0xbe0 [ 4447.364255][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4447.364255][ T74] ___sys_sendmsg+0xee/0x170 [ 4447.364255][ T74] __sys_sendmsg+0xcd/0x170 [ 4447.364255][ T74] do_syscall_64+0xc6/0x1e0 [ 4447.364255][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4447.364255][ T74] [ 4447.366266][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4447.366266][ T74] netdev_get_by_index+0x5e/0x80 [ 4447.366266][ T74] fib6_nh_init+0x3d8/0x1580 [ 4447.366266][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4447.366266][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4447.366266][ T74] ipv6_add_addr+0x411/0x2000 [ 4447.366266][ T74] inet6_addr_add+0x30e/0xa40 [ 4447.366266][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4447.366266][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4447.366266][ T74] netlink_rcv_skb+0x130/0x360 [ 4447.366266][ T74] netlink_unicast+0x449/0x710 [ 4447.366266][ T74] netlink_sendmsg+0x723/0xbe0 [ 4447.366266][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4447.366266][ T74] ___sys_sendmsg+0xee/0x170 [ 4447.366266][ T74] __sys_sendmsg+0xcd/0x170 [ 4447.366266][ T74] do_syscall_64+0xc6/0x1e0 [ 4447.366266][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4447.366266][ T74] [ 4447.368293][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4447.368293][ T74] netdev_get_by_index+0x5e/0x80 [ 4447.368293][ T74] fib6_nh_init+0x3d8/0x1580 [ 4447.368293][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4447.368293][ T74] ip6_route_add+0x1c/0x140 [ 4447.368293][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4447.368293][ T74] addrconf_add_dev+0xe2/0x170 [ 4447.368293][ T74] inet6_addr_add+0x12f/0xa40 [ 4447.368293][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4447.368293][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4447.368293][ T74] netlink_rcv_skb+0x130/0x360 [ 4447.368293][ T74] netlink_unicast+0x449/0x710 [ 4447.368293][ T74] netlink_sendmsg+0x723/0xbe0 [ 4447.368293][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4447.368293][ T74] ___sys_sendmsg+0xee/0x170 [ 4447.368293][ T74] __sys_sendmsg+0xcd/0x170 [ 4447.368293][ T74] do_syscall_64+0xc6/0x1e0 [ 4447.368293][ T74] [ 4447.370256][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4447.370256][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4447.370256][ T74] ipv6_find_idev+0x102/0x170 [ 4447.370256][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4447.370256][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4447.370256][ T74] netlink_rcv_skb+0x130/0x360 [ 4447.370256][ T74] netlink_unicast+0x449/0x710 [ 4447.370256][ T74] netlink_sendmsg+0x723/0xbe0 [ 4447.370256][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4447.370256][ T74] ___sys_sendmsg+0xee/0x170 [ 4447.370256][ T74] __sys_sendmsg+0xcd/0x170 [ 4447.370256][ T74] do_syscall_64+0xc6/0x1e0 [ 4447.370256][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4447.370256][ T74] [ 4447.371798][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4447.371798][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4447.371798][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4447.371798][ T74] ipv6_find_idev+0x102/0x170 [ 4447.371798][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4447.371798][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4447.371798][ T74] netlink_rcv_skb+0x130/0x360 [ 4447.371798][ T74] netlink_unicast+0x449/0x710 [ 4447.371798][ T74] netlink_sendmsg+0x723/0xbe0 [ 4447.371798][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4447.371798][ T74] ___sys_sendmsg+0xee/0x170 [ 4447.371798][ T74] __sys_sendmsg+0xcd/0x170 [ 4447.371798][ T74] do_syscall_64+0xc6/0x1e0 [ 4447.371798][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4447.371798][ T74] [ 4447.373510][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4447.373784][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4447.373784][ T74] dst_init+0x84/0x4a0 [ 4447.373784][ T74] dst_alloc+0x97/0x150 [ 4447.373784][ T74] ip6_dst_alloc+0x23/0x90 [ 4447.373784][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4447.373784][ T74] ip6_pol_route+0x56f/0x840 [ 4447.373784][ T74] fib6_rule_lookup+0x456/0x630 [ 4447.373784][ T74] ip6_route_input+0x59c/0xa50 [ 4447.373784][ T74] ipv6_rcv+0x397/0x810 [ 4447.373784][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4447.373784][ T74] process_backlog+0x101/0x620 [ 4447.373784][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4447.373784][ T74] net_rx_action+0x495/0xbe0 [ 4447.373784][ T74] __do_softirq+0x1b5/0x7f6 [ 4447.373784][ T74] [ 4447.375415][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4447.375415][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4447.375415][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4447.375415][ T74] fib6_nh_init+0xa22/0x1580 [ 4447.375415][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4447.375415][ T74] ip6_route_add+0x1c/0x140 [ 4447.375415][ T74] inet6_rtm_newroute+0x104/0x110 [ 4447.375415][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4447.375415][ T74] netlink_rcv_skb+0x130/0x360 [ 4447.375415][ T74] netlink_unicast+0x449/0x710 [ 4447.375415][ T74] netlink_sendmsg+0x723/0xbe0 [ 4447.375415][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4447.375415][ T74] ___sys_sendmsg+0xee/0x170 [ 4447.375415][ T74] __sys_sendmsg+0xcd/0x170 [ 4447.375415][ T74] do_syscall_64+0xc6/0x1e0 [ 4447.375415][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4447.375415][ T74] [ 4447.377290][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4447.377290][ T74] netdev_get_by_index+0x5e/0x80 [ 4447.377290][ T74] fib6_nh_init+0x3d8/0x1580 [ 4447.377290][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4447.377290][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4447.377290][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4447.377290][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4447.377290][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4447.377290][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4447.377290][ T74] addrconf_dad_begin+0x310/0x670 [ 4447.377290][ T74] addrconf_dad_work+0x10b/0xab0 [ 4447.377290][ T74] process_one_work+0x84d/0x18a0 [ 4447.377290][ T74] worker_thread+0x587/0xd30 [ 4447.377290][ T74] kthread+0x28a/0x350 [ 4447.377290][ T74] ret_from_fork+0x31/0x70 [ 4447.377290][ T74] ret_from_fork_asm+0x1a/0x30 [ 4447.377290][ T74] [ 4447.379209][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4447.379209][ T74] netdev_get_by_index+0x5e/0x80 [ 4447.379209][ T74] fib6_nh_init+0x3d8/0x1580 [ 4447.379209][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4447.379209][ T74] ip6_route_add+0x1c/0x140 [ 4447.379209][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4447.379209][ T74] inet6_addr_add+0x4f8/0xa40 [ 4447.379209][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4447.379209][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4447.379209][ T74] netlink_rcv_skb+0x130/0x360 [ 4447.379209][ T74] netlink_unicast+0x449/0x710 [ 4447.379209][ T74] netlink_sendmsg+0x723/0xbe0 [ 4447.379209][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4447.379209][ T74] ___sys_sendmsg+0xee/0x170 [ 4447.379209][ T74] __sys_sendmsg+0xcd/0x170 [ 4447.379209][ T74] do_syscall_64+0xc6/0x1e0 [ 4447.379209][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4447.379209][ T74] [ 4447.381210][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4447.381210][ T74] netdev_get_by_index+0x5e/0x80 [ 4447.381210][ T74] fib6_nh_init+0x3d8/0x1580 [ 4447.381210][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4447.381210][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4447.381210][ T74] ipv6_add_addr+0x411/0x2000 [ 4447.381210][ T74] inet6_addr_add+0x30e/0xa40 [ 4447.381210][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4447.381210][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4447.381210][ T74] netlink_rcv_skb+0x130/0x360 [ 4447.381210][ T74] netlink_unicast+0x449/0x710 [ 4447.381210][ T74] netlink_sendmsg+0x723/0xbe0 [ 4447.381210][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4447.381210][ T74] ___sys_sendmsg+0xee/0x170 [ 4447.381210][ T74] __sys_sendmsg+0xcd/0x170 [ 4447.381210][ T74] do_syscall_64+0xc6/0x1e0 [ 4447.381210][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4447.381210][ T74] [ 4447.383221][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4447.383221][ T74] netdev_get_by_index+0x5e/0x80 [ 4447.383221][ T74] fib6_nh_init+0x3d8/0x1580 [ 4447.383221][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4447.383221][ T74] ip6_route_add+0x1c/0x140 [ 4447.383221][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4447.383221][ T74] addrconf_add_dev+0xe2/0x170 [ 4447.383221][ T74] inet6_addr_add+0x12f/0xa40 [ 4447.383221][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4447.383221][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4447.383221][ T74] netlink_rcv_skb+0x130/0x360 [ 4447.383221][ T74] netlink_unicast+0x449/0x710 [ 4447.383221][ T74] netlink_sendmsg+0x723/0xbe0 [ 4447.383221][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4447.383221][ T74] ___sys_sendmsg+0xee/0x170 [ 4447.383221][ T74] __sys_sendmsg+0xcd/0x170 [ 4447.383221][ T74] do_syscall_64+0xc6/0x1e0 [ 4447.383221][ T74] [ 4447.385203][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4447.385203][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4447.385203][ T74] ipv6_find_idev+0x102/0x170 [ 4447.385203][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4447.385203][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4447.385203][ T74] netlink_rcv_skb+0x130/0x360 [ 4447.385203][ T74] netlink_unicast+0x449/0x710 [ 4447.385203][ T74] netlink_sendmsg+0x723/0xbe0 [ 4447.385203][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4447.385203][ T74] ___sys_sendmsg+0xee/0x170 [ 4447.385203][ T74] __sys_sendmsg+0xcd/0x170 [ 4447.385203][ T74] do_syscall_64+0xc6/0x1e0 [ 4447.385203][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4447.385203][ T74] [ 4447.386932][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4447.386932][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4447.386932][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4447.386932][ T74] ipv6_find_idev+0x102/0x170 [ 4447.386932][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4447.386932][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4447.386932][ T74] netlink_rcv_skb+0x130/0x360 [ 4447.386932][ T74] netlink_unicast+0x449/0x710 [ 4447.386932][ T74] netlink_sendmsg+0x723/0xbe0 [ 4447.386932][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4447.386932][ T74] ___sys_sendmsg+0xee/0x170 [ 4447.386932][ T74] __sys_sendmsg+0xcd/0x170 [ 4447.386932][ T74] do_syscall_64+0xc6/0x1e0 [ 4447.386932][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4447.386932][ T74] [ 4447.388809][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4447.389126][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4447.389126][ T74] netdev_get_by_index+0x5e/0x80 [ 4447.389126][ T74] fib6_nh_init+0x3d8/0x1580 [ 4447.389126][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4447.389126][ T74] ip6_route_add+0x1c/0x140 [ 4447.389126][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4447.389126][ T74] inet6_addr_add+0x4f8/0xa40 [ 4447.389126][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4447.389126][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4447.389126][ T74] netlink_rcv_skb+0x130/0x360 [ 4447.389126][ T74] netlink_unicast+0x449/0x710 [ 4447.389126][ T74] netlink_sendmsg+0x723/0xbe0 [ 4447.389126][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4447.389126][ T74] ___sys_sendmsg+0xee/0x170 [ 4447.389126][ T74] __sys_sendmsg+0xcd/0x170 [ 4447.389126][ T74] do_syscall_64+0xc6/0x1e0 [ 4447.389126][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4447.389126][ T74] [ 4447.391314][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4447.391314][ T74] netdev_get_by_index+0x5e/0x80 [ 4447.391314][ T74] fib6_nh_init+0x3d8/0x1580 [ 4447.391314][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4447.391314][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4447.391314][ T74] ipv6_add_addr+0x411/0x2000 [ 4447.391314][ T74] inet6_addr_add+0x30e/0xa40 [ 4447.391314][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4447.391314][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4447.391314][ T74] netlink_rcv_skb+0x130/0x360 [ 4447.391314][ T74] netlink_unicast+0x449/0x710 [ 4447.391314][ T74] netlink_sendmsg+0x723/0xbe0 [ 4447.391314][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4447.391314][ T74] ___sys_sendmsg+0xee/0x170 [ 4447.391314][ T74] __sys_sendmsg+0xcd/0x170 [ 4447.391314][ T74] do_syscall_64+0xc6/0x1e0 [ 4447.391314][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4447.391314][ T74] [ 4447.393617][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4447.393617][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4447.393617][ T74] ipv6_find_idev+0x102/0x170 [ 4447.393617][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4447.393617][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4447.393617][ T74] netlink_rcv_skb+0x130/0x360 [ 4447.393617][ T74] netlink_unicast+0x449/0x710 [ 4447.393617][ T74] netlink_sendmsg+0x723/0xbe0 [ 4447.393617][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4447.393617][ T74] ___sys_sendmsg+0xee/0x170 [ 4447.393617][ T74] __sys_sendmsg+0xcd/0x170 [ 4447.393617][ T74] do_syscall_64+0xc6/0x1e0 [ 4447.393617][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4447.393617][ T74] [ 4447.395305][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4447.395305][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4447.395305][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4447.395305][ T74] ipv6_find_idev+0x102/0x170 [ 4447.395305][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4447.395305][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4447.395305][ T74] netlink_rcv_skb+0x130/0x360 [ 4447.395305][ T74] netlink_unicast+0x449/0x710 [ 4447.395305][ T74] netlink_sendmsg+0x723/0xbe0 [ 4447.395305][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4447.395305][ T74] ___sys_sendmsg+0xee/0x170 [ 4447.395305][ T74] __sys_sendmsg+0xcd/0x170 [ 4447.395305][ T74] do_syscall_64+0xc6/0x1e0 [ 4447.395305][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4447.395305][ T74] [ 4457.647907][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4457.648542][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4457.648542][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4457.648542][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4457.648542][ T74] fib6_nh_init+0xa22/0x1580 [ 4457.648542][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4457.648542][ T74] ip6_route_add+0x1c/0x140 [ 4457.648542][ T74] inet6_rtm_newroute+0x104/0x110 [ 4457.648542][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4457.648542][ T74] netlink_rcv_skb+0x130/0x360 [ 4457.648542][ T74] netlink_unicast+0x449/0x710 [ 4457.648542][ T74] netlink_sendmsg+0x723/0xbe0 [ 4457.648542][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4457.648542][ T74] ___sys_sendmsg+0xee/0x170 [ 4457.648542][ T74] __sys_sendmsg+0xcd/0x170 [ 4457.648542][ T74] do_syscall_64+0xc6/0x1e0 [ 4457.648542][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4457.648542][ T74] [ 4457.651314][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4457.651314][ T74] netdev_get_by_index+0x5e/0x80 [ 4457.651314][ T74] fib6_nh_init+0x3d8/0x1580 [ 4457.651314][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4457.651314][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4457.651314][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4457.651314][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4457.651314][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4457.651314][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4457.651314][ T74] addrconf_dad_begin+0x310/0x670 [ 4457.651314][ T74] addrconf_dad_work+0x10b/0xab0 [ 4457.651314][ T74] process_one_work+0x84d/0x18a0 [ 4457.651314][ T74] worker_thread+0x587/0xd30 [ 4457.651314][ T74] kthread+0x28a/0x350 [ 4457.651314][ T74] ret_from_fork+0x31/0x70 [ 4457.651314][ T74] ret_from_fork_asm+0x1a/0x30 [ 4457.651314][ T74] [ 4457.654167][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4457.654167][ T74] netdev_get_by_index+0x5e/0x80 [ 4457.654167][ T74] fib6_nh_init+0x3d8/0x1580 [ 4457.654167][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4457.654167][ T74] ip6_route_add+0x1c/0x140 [ 4457.654167][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4457.654167][ T74] inet6_addr_add+0x4f8/0xa40 [ 4457.654167][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4457.654167][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4457.654167][ T74] netlink_rcv_skb+0x130/0x360 [ 4457.654167][ T74] netlink_unicast+0x449/0x710 [ 4457.654167][ T74] netlink_sendmsg+0x723/0xbe0 [ 4457.654167][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4457.654167][ T74] ___sys_sendmsg+0xee/0x170 [ 4457.654167][ T74] __sys_sendmsg+0xcd/0x170 [ 4457.654167][ T74] do_syscall_64+0xc6/0x1e0 [ 4457.654167][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4457.654167][ T74] [ 4457.657207][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4457.657207][ T74] netdev_get_by_index+0x5e/0x80 [ 4457.657207][ T74] fib6_nh_init+0x3d8/0x1580 [ 4457.657207][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4457.657207][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4457.657207][ T74] ipv6_add_addr+0x411/0x2000 [ 4457.657207][ T74] inet6_addr_add+0x30e/0xa40 [ 4457.657207][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4457.657207][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4457.657207][ T74] netlink_rcv_skb+0x130/0x360 [ 4457.657207][ T74] netlink_unicast+0x449/0x710 [ 4457.657207][ T74] netlink_sendmsg+0x723/0xbe0 [ 4457.657207][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4457.657207][ T74] ___sys_sendmsg+0xee/0x170 [ 4457.657207][ T74] __sys_sendmsg+0xcd/0x170 [ 4457.657207][ T74] do_syscall_64+0xc6/0x1e0 [ 4457.657207][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4457.657207][ T74] [ 4457.660144][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4457.660144][ T74] netdev_get_by_index+0x5e/0x80 [ 4457.660144][ T74] fib6_nh_init+0x3d8/0x1580 [ 4457.660144][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4457.660144][ T74] ip6_route_add+0x1c/0x140 [ 4457.660144][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4457.660144][ T74] addrconf_add_dev+0xe2/0x170 [ 4457.660144][ T74] inet6_addr_add+0x12f/0xa40 [ 4457.660144][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4457.660144][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4457.660144][ T74] netlink_rcv_skb+0x130/0x360 [ 4457.660144][ T74] netlink_unicast+0x449/0x710 [ 4457.660144][ T74] netlink_sendmsg+0x723/0xbe0 [ 4457.660144][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4457.660144][ T74] ___sys_sendmsg+0xee/0x170 [ 4457.660144][ T74] __sys_sendmsg+0xcd/0x170 [ 4457.660144][ T74] do_syscall_64+0xc6/0x1e0 [ 4457.660144][ T74] [ 4457.663188][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4457.663188][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4457.663188][ T74] ipv6_find_idev+0x102/0x170 [ 4457.663188][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4457.663188][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4457.663188][ T74] netlink_rcv_skb+0x130/0x360 [ 4457.663188][ T74] netlink_unicast+0x449/0x710 [ 4457.663188][ T74] netlink_sendmsg+0x723/0xbe0 [ 4457.663188][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4457.663188][ T74] ___sys_sendmsg+0xee/0x170 [ 4457.663188][ T74] __sys_sendmsg+0xcd/0x170 [ 4457.663188][ T74] do_syscall_64+0xc6/0x1e0 [ 4457.663188][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4457.663188][ T74] [ 4457.665604][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4457.665604][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4457.665604][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4457.665604][ T74] ipv6_find_idev+0x102/0x170 [ 4457.665604][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4457.665604][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4457.665604][ T74] netlink_rcv_skb+0x130/0x360 [ 4457.665604][ T74] netlink_unicast+0x449/0x710 [ 4457.665604][ T74] netlink_sendmsg+0x723/0xbe0 [ 4457.665604][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4457.665604][ T74] ___sys_sendmsg+0xee/0x170 [ 4457.665604][ T74] __sys_sendmsg+0xcd/0x170 [ 4457.665604][ T74] do_syscall_64+0xc6/0x1e0 [ 4457.665604][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4457.665604][ T74] [ 4457.668274][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4457.668687][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4457.668687][ T74] dst_init+0x84/0x4a0 [ 4457.668687][ T74] dst_alloc+0x97/0x150 [ 4457.668687][ T74] ip6_dst_alloc+0x23/0x90 [ 4457.668687][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4457.668687][ T74] ip6_pol_route+0x56f/0x840 [ 4457.668687][ T74] fib6_rule_lookup+0x456/0x630 [ 4457.668687][ T74] ip6_route_input+0x59c/0xa50 [ 4457.668687][ T74] ipv6_rcv+0x397/0x810 [ 4457.668687][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4457.668687][ T74] process_backlog+0x101/0x620 [ 4457.668687][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4457.668687][ T74] net_rx_action+0x495/0xbe0 [ 4457.668687][ T74] __do_softirq+0x1b5/0x7f6 [ 4457.668687][ T74] [ 4457.671240][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4457.671240][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4457.671240][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4457.671240][ T74] fib6_nh_init+0xa22/0x1580 [ 4457.671240][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4457.671240][ T74] ip6_route_add+0x1c/0x140 [ 4457.671240][ T74] inet6_rtm_newroute+0x104/0x110 [ 4457.671240][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4457.671240][ T74] netlink_rcv_skb+0x130/0x360 [ 4457.671240][ T74] netlink_unicast+0x449/0x710 [ 4457.671240][ T74] netlink_sendmsg+0x723/0xbe0 [ 4457.671240][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4457.671240][ T74] ___sys_sendmsg+0xee/0x170 [ 4457.671240][ T74] __sys_sendmsg+0xcd/0x170 [ 4457.671240][ T74] do_syscall_64+0xc6/0x1e0 [ 4457.671240][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4457.671240][ T74] [ 4457.675105][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4457.675105][ T74] netdev_get_by_index+0x5e/0x80 [ 4457.675105][ T74] fib6_nh_init+0x3d8/0x1580 [ 4457.675105][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4457.675105][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4457.675105][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4457.675105][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4457.675105][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4457.675105][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4457.675105][ T74] addrconf_dad_begin+0x310/0x670 [ 4457.675105][ T74] addrconf_dad_work+0x10b/0xab0 [ 4457.675105][ T74] process_one_work+0x84d/0x18a0 [ 4457.675105][ T74] worker_thread+0x587/0xd30 [ 4457.675105][ T74] kthread+0x28a/0x350 [ 4457.675105][ T74] ret_from_fork+0x31/0x70 [ 4457.675105][ T74] ret_from_fork_asm+0x1a/0x30 [ 4457.675105][ T74] [ 4457.678079][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4457.678079][ T74] netdev_get_by_index+0x5e/0x80 [ 4457.678079][ T74] fib6_nh_init+0x3d8/0x1580 [ 4457.678079][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4457.678079][ T74] ip6_route_add+0x1c/0x140 [ 4457.678079][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4457.678079][ T74] inet6_addr_add+0x4f8/0xa40 [ 4457.678079][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4457.678079][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4457.678079][ T74] netlink_rcv_skb+0x130/0x360 [ 4457.678079][ T74] netlink_unicast+0x449/0x710 [ 4457.678079][ T74] netlink_sendmsg+0x723/0xbe0 [ 4457.678079][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4457.678079][ T74] ___sys_sendmsg+0xee/0x170 [ 4457.678079][ T74] __sys_sendmsg+0xcd/0x170 [ 4457.678079][ T74] do_syscall_64+0xc6/0x1e0 [ 4457.678079][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4457.678079][ T74] [ 4457.681217][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4457.681217][ T74] netdev_get_by_index+0x5e/0x80 [ 4457.681217][ T74] fib6_nh_init+0x3d8/0x1580 [ 4457.681217][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4457.681217][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4457.681217][ T74] ipv6_add_addr+0x411/0x2000 [ 4457.681217][ T74] inet6_addr_add+0x30e/0xa40 [ 4457.681217][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4457.681217][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4457.681217][ T74] netlink_rcv_skb+0x130/0x360 [ 4457.681217][ T74] netlink_unicast+0x449/0x710 [ 4457.681217][ T74] netlink_sendmsg+0x723/0xbe0 [ 4457.681217][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4457.681217][ T74] ___sys_sendmsg+0xee/0x170 [ 4457.681217][ T74] __sys_sendmsg+0xcd/0x170 [ 4457.681217][ T74] do_syscall_64+0xc6/0x1e0 [ 4457.681217][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4457.681217][ T74] [ 4457.684341][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4457.684341][ T74] netdev_get_by_index+0x5e/0x80 [ 4457.684341][ T74] fib6_nh_init+0x3d8/0x1580 [ 4457.684341][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4457.684341][ T74] ip6_route_add+0x1c/0x140 [ 4457.684341][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4457.684341][ T74] addrconf_add_dev+0xe2/0x170 [ 4457.684341][ T74] inet6_addr_add+0x12f/0xa40 [ 4457.684341][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4457.684341][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4457.684341][ T74] netlink_rcv_skb+0x130/0x360 [ 4457.684341][ T74] netlink_unicast+0x449/0x710 [ 4457.684341][ T74] netlink_sendmsg+0x723/0xbe0 [ 4457.684341][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4457.684341][ T74] ___sys_sendmsg+0xee/0x170 [ 4457.684341][ T74] __sys_sendmsg+0xcd/0x170 [ 4457.684341][ T74] do_syscall_64+0xc6/0x1e0 [ 4457.684341][ T74] [ 4457.687734][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4457.687734][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4457.687734][ T74] ipv6_find_idev+0x102/0x170 [ 4457.687734][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4457.687734][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4457.687734][ T74] netlink_rcv_skb+0x130/0x360 [ 4457.687734][ T74] netlink_unicast+0x449/0x710 [ 4457.687734][ T74] netlink_sendmsg+0x723/0xbe0 [ 4457.687734][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4457.687734][ T74] ___sys_sendmsg+0xee/0x170 [ 4457.687734][ T74] __sys_sendmsg+0xcd/0x170 [ 4457.687734][ T74] do_syscall_64+0xc6/0x1e0 [ 4457.687734][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4457.687734][ T74] [ 4457.690331][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4457.690331][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4457.690331][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4457.690331][ T74] ipv6_find_idev+0x102/0x170 [ 4457.690331][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4457.690331][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4457.690331][ T74] netlink_rcv_skb+0x130/0x360 [ 4457.690331][ T74] netlink_unicast+0x449/0x710 [ 4457.690331][ T74] netlink_sendmsg+0x723/0xbe0 [ 4457.690331][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4457.690331][ T74] ___sys_sendmsg+0xee/0x170 [ 4457.690331][ T74] __sys_sendmsg+0xcd/0x170 [ 4457.690331][ T74] do_syscall_64+0xc6/0x1e0 [ 4457.690331][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4457.690331][ T74] [ 4457.693310][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4457.693684][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4457.693684][ T74] netdev_get_by_index+0x5e/0x80 [ 4457.693684][ T74] fib6_nh_init+0x3d8/0x1580 [ 4457.693684][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4457.693684][ T74] ip6_route_add+0x1c/0x140 [ 4457.693684][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4457.693684][ T74] inet6_addr_add+0x4f8/0xa40 [ 4457.693684][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4457.693684][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4457.693684][ T74] netlink_rcv_skb+0x130/0x360 [ 4457.693684][ T74] netlink_unicast+0x449/0x710 [ 4457.693684][ T74] netlink_sendmsg+0x723/0xbe0 [ 4457.693684][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4457.693684][ T74] ___sys_sendmsg+0xee/0x170 [ 4457.693684][ T74] __sys_sendmsg+0xcd/0x170 [ 4457.693684][ T74] do_syscall_64+0xc6/0x1e0 [ 4457.693684][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4457.693684][ T74] [ 4457.697205][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4457.697205][ T74] netdev_get_by_index+0x5e/0x80 [ 4457.697205][ T74] fib6_nh_init+0x3d8/0x1580 [ 4457.697205][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4457.697205][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4457.697205][ T74] ipv6_add_addr+0x411/0x2000 [ 4457.697205][ T74] inet6_addr_add+0x30e/0xa40 [ 4457.697205][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4457.697205][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4457.697205][ T74] netlink_rcv_skb+0x130/0x360 [ 4457.697205][ T74] netlink_unicast+0x449/0x710 [ 4457.697205][ T74] netlink_sendmsg+0x723/0xbe0 [ 4457.697205][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4457.697205][ T74] ___sys_sendmsg+0xee/0x170 [ 4457.697205][ T74] __sys_sendmsg+0xcd/0x170 [ 4457.697205][ T74] do_syscall_64+0xc6/0x1e0 [ 4457.697205][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4457.697205][ T74] [ 4457.700758][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4457.700758][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4457.700758][ T74] ipv6_find_idev+0x102/0x170 [ 4457.700758][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4457.700758][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4457.700758][ T74] netlink_rcv_skb+0x130/0x360 [ 4457.700758][ T74] netlink_unicast+0x449/0x710 [ 4457.700758][ T74] netlink_sendmsg+0x723/0xbe0 [ 4457.700758][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4457.700758][ T74] ___sys_sendmsg+0xee/0x170 [ 4457.700758][ T74] __sys_sendmsg+0xcd/0x170 [ 4457.700758][ T74] do_syscall_64+0xc6/0x1e0 [ 4457.700758][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4457.700758][ T74] [ 4457.703607][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4457.703607][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4457.703607][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4457.703607][ T74] ipv6_find_idev+0x102/0x170 [ 4457.703607][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4457.703607][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4457.703607][ T74] netlink_rcv_skb+0x130/0x360 [ 4457.703607][ T74] netlink_unicast+0x449/0x710 [ 4457.703607][ T74] netlink_sendmsg+0x723/0xbe0 [ 4457.703607][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4457.703607][ T74] ___sys_sendmsg+0xee/0x170 [ 4457.703607][ T74] __sys_sendmsg+0xcd/0x170 [ 4457.703607][ T74] do_syscall_64+0xc6/0x1e0 [ 4457.703607][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4457.703607][ T74] [ 4467.959966][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4467.960395][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4467.960395][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4467.960395][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4467.960395][ T74] fib6_nh_init+0xa22/0x1580 [ 4467.960395][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4467.960395][ T74] ip6_route_add+0x1c/0x140 [ 4467.960395][ T74] inet6_rtm_newroute+0x104/0x110 [ 4467.960395][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4467.960395][ T74] netlink_rcv_skb+0x130/0x360 [ 4467.960395][ T74] netlink_unicast+0x449/0x710 [ 4467.960395][ T74] netlink_sendmsg+0x723/0xbe0 [ 4467.960395][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4467.960395][ T74] ___sys_sendmsg+0xee/0x170 [ 4467.960395][ T74] __sys_sendmsg+0xcd/0x170 [ 4467.960395][ T74] do_syscall_64+0xc6/0x1e0 [ 4467.960395][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4467.960395][ T74] [ 4467.962334][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4467.962334][ T74] netdev_get_by_index+0x5e/0x80 [ 4467.962334][ T74] fib6_nh_init+0x3d8/0x1580 [ 4467.962334][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4467.962334][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4467.962334][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4467.962334][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4467.962334][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4467.962334][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4467.962334][ T74] addrconf_dad_begin+0x310/0x670 [ 4467.962334][ T74] addrconf_dad_work+0x10b/0xab0 [ 4467.962334][ T74] process_one_work+0x84d/0x18a0 [ 4467.962334][ T74] worker_thread+0x587/0xd30 [ 4467.962334][ T74] kthread+0x28a/0x350 [ 4467.962334][ T74] ret_from_fork+0x31/0x70 [ 4467.962334][ T74] ret_from_fork_asm+0x1a/0x30 [ 4467.962334][ T74] [ 4467.964256][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4467.964256][ T74] netdev_get_by_index+0x5e/0x80 [ 4467.964256][ T74] fib6_nh_init+0x3d8/0x1580 [ 4467.964256][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4467.964256][ T74] ip6_route_add+0x1c/0x140 [ 4467.964256][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4467.964256][ T74] inet6_addr_add+0x4f8/0xa40 [ 4467.964256][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4467.964256][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4467.964256][ T74] netlink_rcv_skb+0x130/0x360 [ 4467.964256][ T74] netlink_unicast+0x449/0x710 [ 4467.964256][ T74] netlink_sendmsg+0x723/0xbe0 [ 4467.964256][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4467.964256][ T74] ___sys_sendmsg+0xee/0x170 [ 4467.964256][ T74] __sys_sendmsg+0xcd/0x170 [ 4467.964256][ T74] do_syscall_64+0xc6/0x1e0 [ 4467.964256][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4467.964256][ T74] [ 4467.966246][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4467.966246][ T74] netdev_get_by_index+0x5e/0x80 [ 4467.966246][ T74] fib6_nh_init+0x3d8/0x1580 [ 4467.966246][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4467.966246][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4467.966246][ T74] ipv6_add_addr+0x411/0x2000 [ 4467.966246][ T74] inet6_addr_add+0x30e/0xa40 [ 4467.966246][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4467.966246][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4467.966246][ T74] netlink_rcv_skb+0x130/0x360 [ 4467.966246][ T74] netlink_unicast+0x449/0x710 [ 4467.966246][ T74] netlink_sendmsg+0x723/0xbe0 [ 4467.966246][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4467.966246][ T74] ___sys_sendmsg+0xee/0x170 [ 4467.966246][ T74] __sys_sendmsg+0xcd/0x170 [ 4467.966246][ T74] do_syscall_64+0xc6/0x1e0 [ 4467.966246][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4467.966246][ T74] [ 4467.968248][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4467.968248][ T74] netdev_get_by_index+0x5e/0x80 [ 4467.968248][ T74] fib6_nh_init+0x3d8/0x1580 [ 4467.968248][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4467.968248][ T74] ip6_route_add+0x1c/0x140 [ 4467.968248][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4467.968248][ T74] addrconf_add_dev+0xe2/0x170 [ 4467.968248][ T74] inet6_addr_add+0x12f/0xa40 [ 4467.968248][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4467.968248][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4467.968248][ T74] netlink_rcv_skb+0x130/0x360 [ 4467.968248][ T74] netlink_unicast+0x449/0x710 [ 4467.968248][ T74] netlink_sendmsg+0x723/0xbe0 [ 4467.968248][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4467.968248][ T74] ___sys_sendmsg+0xee/0x170 [ 4467.968248][ T74] __sys_sendmsg+0xcd/0x170 [ 4467.968248][ T74] do_syscall_64+0xc6/0x1e0 [ 4467.968248][ T74] [ 4467.970227][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4467.970227][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4467.970227][ T74] ipv6_find_idev+0x102/0x170 [ 4467.970227][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4467.970227][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4467.970227][ T74] netlink_rcv_skb+0x130/0x360 [ 4467.970227][ T74] netlink_unicast+0x449/0x710 [ 4467.970227][ T74] netlink_sendmsg+0x723/0xbe0 [ 4467.970227][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4467.970227][ T74] ___sys_sendmsg+0xee/0x170 [ 4467.970227][ T74] __sys_sendmsg+0xcd/0x170 [ 4467.970227][ T74] do_syscall_64+0xc6/0x1e0 [ 4467.970227][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4467.970227][ T74] [ 4467.971764][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4467.971764][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4467.971764][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4467.971764][ T74] ipv6_find_idev+0x102/0x170 [ 4467.971764][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4467.971764][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4467.971764][ T74] netlink_rcv_skb+0x130/0x360 [ 4467.971764][ T74] netlink_unicast+0x449/0x710 [ 4467.971764][ T74] netlink_sendmsg+0x723/0xbe0 [ 4467.971764][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4467.971764][ T74] ___sys_sendmsg+0xee/0x170 [ 4467.971764][ T74] __sys_sendmsg+0xcd/0x170 [ 4467.971764][ T74] do_syscall_64+0xc6/0x1e0 [ 4467.971764][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4467.971764][ T74] [ 4467.973487][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4467.973764][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4467.973764][ T74] dst_init+0x84/0x4a0 [ 4467.973764][ T74] dst_alloc+0x97/0x150 [ 4467.973764][ T74] ip6_dst_alloc+0x23/0x90 [ 4467.973764][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4467.973764][ T74] ip6_pol_route+0x56f/0x840 [ 4467.973764][ T74] fib6_rule_lookup+0x456/0x630 [ 4467.973764][ T74] ip6_route_input+0x59c/0xa50 [ 4467.973764][ T74] ipv6_rcv+0x397/0x810 [ 4467.973764][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4467.973764][ T74] process_backlog+0x101/0x620 [ 4467.973764][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4467.973764][ T74] net_rx_action+0x495/0xbe0 [ 4467.973764][ T74] __do_softirq+0x1b5/0x7f6 [ 4467.973764][ T74] [ 4467.975402][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4467.975402][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4467.975402][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4467.975402][ T74] fib6_nh_init+0xa22/0x1580 [ 4467.975402][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4467.975402][ T74] ip6_route_add+0x1c/0x140 [ 4467.975402][ T74] inet6_rtm_newroute+0x104/0x110 [ 4467.975402][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4467.975402][ T74] netlink_rcv_skb+0x130/0x360 [ 4467.975402][ T74] netlink_unicast+0x449/0x710 [ 4467.975402][ T74] netlink_sendmsg+0x723/0xbe0 [ 4467.975402][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4467.975402][ T74] ___sys_sendmsg+0xee/0x170 [ 4467.975402][ T74] __sys_sendmsg+0xcd/0x170 [ 4467.975402][ T74] do_syscall_64+0xc6/0x1e0 [ 4467.975402][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4467.975402][ T74] [ 4467.977319][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4467.977319][ T74] netdev_get_by_index+0x5e/0x80 [ 4467.977319][ T74] fib6_nh_init+0x3d8/0x1580 [ 4467.977319][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4467.977319][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4467.977319][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4467.977319][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4467.977319][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4467.977319][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4467.977319][ T74] addrconf_dad_begin+0x310/0x670 [ 4467.977319][ T74] addrconf_dad_work+0x10b/0xab0 [ 4467.977319][ T74] process_one_work+0x84d/0x18a0 [ 4467.977319][ T74] worker_thread+0x587/0xd30 [ 4467.977319][ T74] kthread+0x28a/0x350 [ 4467.977319][ T74] ret_from_fork+0x31/0x70 [ 4467.977319][ T74] ret_from_fork_asm+0x1a/0x30 [ 4467.977319][ T74] [ 4467.979257][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4467.979257][ T74] netdev_get_by_index+0x5e/0x80 [ 4467.979257][ T74] fib6_nh_init+0x3d8/0x1580 [ 4467.979257][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4467.979257][ T74] ip6_route_add+0x1c/0x140 [ 4467.979257][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4467.979257][ T74] inet6_addr_add+0x4f8/0xa40 [ 4467.979257][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4467.979257][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4467.979257][ T74] netlink_rcv_skb+0x130/0x360 [ 4467.979257][ T74] netlink_unicast+0x449/0x710 [ 4467.979257][ T74] netlink_sendmsg+0x723/0xbe0 [ 4467.979257][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4467.979257][ T74] ___sys_sendmsg+0xee/0x170 [ 4467.979257][ T74] __sys_sendmsg+0xcd/0x170 [ 4467.979257][ T74] do_syscall_64+0xc6/0x1e0 [ 4467.979257][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4467.979257][ T74] [ 4467.981269][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4467.981269][ T74] netdev_get_by_index+0x5e/0x80 [ 4467.981269][ T74] fib6_nh_init+0x3d8/0x1580 [ 4467.981269][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4467.981269][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4467.981269][ T74] ipv6_add_addr+0x411/0x2000 [ 4467.981269][ T74] inet6_addr_add+0x30e/0xa40 [ 4467.981269][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4467.981269][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4467.981269][ T74] netlink_rcv_skb+0x130/0x360 [ 4467.981269][ T74] netlink_unicast+0x449/0x710 [ 4467.981269][ T74] netlink_sendmsg+0x723/0xbe0 [ 4467.981269][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4467.981269][ T74] ___sys_sendmsg+0xee/0x170 [ 4467.981269][ T74] __sys_sendmsg+0xcd/0x170 [ 4467.981269][ T74] do_syscall_64+0xc6/0x1e0 [ 4467.981269][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4467.981269][ T74] [ 4467.983289][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4467.983289][ T74] netdev_get_by_index+0x5e/0x80 [ 4467.983289][ T74] fib6_nh_init+0x3d8/0x1580 [ 4467.983289][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4467.983289][ T74] ip6_route_add+0x1c/0x140 [ 4467.983289][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4467.983289][ T74] addrconf_add_dev+0xe2/0x170 [ 4467.983289][ T74] inet6_addr_add+0x12f/0xa40 [ 4467.983289][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4467.983289][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4467.983289][ T74] netlink_rcv_skb+0x130/0x360 [ 4467.983289][ T74] netlink_unicast+0x449/0x710 [ 4467.983289][ T74] netlink_sendmsg+0x723/0xbe0 [ 4467.983289][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4467.983289][ T74] ___sys_sendmsg+0xee/0x170 [ 4467.983289][ T74] __sys_sendmsg+0xcd/0x170 [ 4467.983289][ T74] do_syscall_64+0xc6/0x1e0 [ 4467.983289][ T74] [ 4467.985267][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4467.985267][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4467.985267][ T74] ipv6_find_idev+0x102/0x170 [ 4467.985267][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4467.985267][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4467.985267][ T74] netlink_rcv_skb+0x130/0x360 [ 4467.985267][ T74] netlink_unicast+0x449/0x710 [ 4467.985267][ T74] netlink_sendmsg+0x723/0xbe0 [ 4467.985267][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4467.985267][ T74] ___sys_sendmsg+0xee/0x170 [ 4467.985267][ T74] __sys_sendmsg+0xcd/0x170 [ 4467.985267][ T74] do_syscall_64+0xc6/0x1e0 [ 4467.985267][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4467.985267][ T74] [ 4467.986995][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4467.986995][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4467.986995][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4467.986995][ T74] ipv6_find_idev+0x102/0x170 [ 4467.986995][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4467.986995][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4467.986995][ T74] netlink_rcv_skb+0x130/0x360 [ 4467.986995][ T74] netlink_unicast+0x449/0x710 [ 4467.986995][ T74] netlink_sendmsg+0x723/0xbe0 [ 4467.986995][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4467.986995][ T74] ___sys_sendmsg+0xee/0x170 [ 4467.986995][ T74] __sys_sendmsg+0xcd/0x170 [ 4467.986995][ T74] do_syscall_64+0xc6/0x1e0 [ 4467.986995][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4467.986995][ T74] [ 4467.988959][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4467.989198][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4467.989198][ T74] netdev_get_by_index+0x5e/0x80 [ 4467.989198][ T74] fib6_nh_init+0x3d8/0x1580 [ 4467.989198][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4467.989198][ T74] ip6_route_add+0x1c/0x140 [ 4467.989198][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4467.989198][ T74] inet6_addr_add+0x4f8/0xa40 [ 4467.989198][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4467.989198][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4467.989198][ T74] netlink_rcv_skb+0x130/0x360 [ 4467.989198][ T74] netlink_unicast+0x449/0x710 [ 4467.989198][ T74] netlink_sendmsg+0x723/0xbe0 [ 4467.989198][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4467.989198][ T74] ___sys_sendmsg+0xee/0x170 [ 4467.989198][ T74] __sys_sendmsg+0xcd/0x170 [ 4467.989198][ T74] do_syscall_64+0xc6/0x1e0 [ 4467.989198][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4467.989198][ T74] [ 4467.991445][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4467.991445][ T74] netdev_get_by_index+0x5e/0x80 [ 4467.991445][ T74] fib6_nh_init+0x3d8/0x1580 [ 4467.991445][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4467.991445][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4467.991445][ T74] ipv6_add_addr+0x411/0x2000 [ 4467.991445][ T74] inet6_addr_add+0x30e/0xa40 [ 4467.991445][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4467.991445][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4467.991445][ T74] netlink_rcv_skb+0x130/0x360 [ 4467.991445][ T74] netlink_unicast+0x449/0x710 [ 4467.991445][ T74] netlink_sendmsg+0x723/0xbe0 [ 4467.991445][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4467.991445][ T74] ___sys_sendmsg+0xee/0x170 [ 4467.991445][ T74] __sys_sendmsg+0xcd/0x170 [ 4467.991445][ T74] do_syscall_64+0xc6/0x1e0 [ 4467.991445][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4467.991445][ T74] [ 4467.993672][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4467.993672][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4467.993672][ T74] ipv6_find_idev+0x102/0x170 [ 4467.993672][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4467.993672][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4467.993672][ T74] netlink_rcv_skb+0x130/0x360 [ 4467.993672][ T74] netlink_unicast+0x449/0x710 [ 4467.993672][ T74] netlink_sendmsg+0x723/0xbe0 [ 4467.993672][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4467.993672][ T74] ___sys_sendmsg+0xee/0x170 [ 4467.993672][ T74] __sys_sendmsg+0xcd/0x170 [ 4467.993672][ T74] do_syscall_64+0xc6/0x1e0 [ 4467.993672][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4467.993672][ T74] [ 4467.995344][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4467.995344][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4467.995344][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4467.995344][ T74] ipv6_find_idev+0x102/0x170 [ 4467.995344][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4467.995344][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4467.995344][ T74] netlink_rcv_skb+0x130/0x360 [ 4467.995344][ T74] netlink_unicast+0x449/0x710 [ 4467.995344][ T74] netlink_sendmsg+0x723/0xbe0 [ 4467.995344][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4467.995344][ T74] ___sys_sendmsg+0xee/0x170 [ 4467.995344][ T74] __sys_sendmsg+0xcd/0x170 [ 4467.995344][ T74] do_syscall_64+0xc6/0x1e0 [ 4467.995344][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4467.995344][ T74] [ 4478.247940][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4478.248312][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4478.248312][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4478.248312][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4478.248312][ T74] fib6_nh_init+0xa22/0x1580 [ 4478.248312][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4478.248312][ T74] ip6_route_add+0x1c/0x140 [ 4478.248312][ T74] inet6_rtm_newroute+0x104/0x110 [ 4478.248312][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4478.248312][ T74] netlink_rcv_skb+0x130/0x360 [ 4478.248312][ T74] netlink_unicast+0x449/0x710 [ 4478.248312][ T74] netlink_sendmsg+0x723/0xbe0 [ 4478.248312][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4478.248312][ T74] ___sys_sendmsg+0xee/0x170 [ 4478.248312][ T74] __sys_sendmsg+0xcd/0x170 [ 4478.248312][ T74] do_syscall_64+0xc6/0x1e0 [ 4478.248312][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4478.248312][ T74] [ 4478.250257][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4478.250257][ T74] netdev_get_by_index+0x5e/0x80 [ 4478.250257][ T74] fib6_nh_init+0x3d8/0x1580 [ 4478.250257][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4478.250257][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4478.250257][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4478.250257][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4478.250257][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4478.250257][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4478.250257][ T74] addrconf_dad_begin+0x310/0x670 [ 4478.250257][ T74] addrconf_dad_work+0x10b/0xab0 [ 4478.250257][ T74] process_one_work+0x84d/0x18a0 [ 4478.250257][ T74] worker_thread+0x587/0xd30 [ 4478.250257][ T74] kthread+0x28a/0x350 [ 4478.250257][ T74] ret_from_fork+0x31/0x70 [ 4478.250257][ T74] ret_from_fork_asm+0x1a/0x30 [ 4478.250257][ T74] [ 4478.252197][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4478.252197][ T74] netdev_get_by_index+0x5e/0x80 [ 4478.252197][ T74] fib6_nh_init+0x3d8/0x1580 [ 4478.252197][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4478.252197][ T74] ip6_route_add+0x1c/0x140 [ 4478.252197][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4478.252197][ T74] inet6_addr_add+0x4f8/0xa40 [ 4478.252197][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4478.252197][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4478.252197][ T74] netlink_rcv_skb+0x130/0x360 [ 4478.252197][ T74] netlink_unicast+0x449/0x710 [ 4478.252197][ T74] netlink_sendmsg+0x723/0xbe0 [ 4478.252197][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4478.252197][ T74] ___sys_sendmsg+0xee/0x170 [ 4478.252197][ T74] __sys_sendmsg+0xcd/0x170 [ 4478.252197][ T74] do_syscall_64+0xc6/0x1e0 [ 4478.252197][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4478.252197][ T74] [ 4478.254219][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4478.254219][ T74] netdev_get_by_index+0x5e/0x80 [ 4478.254219][ T74] fib6_nh_init+0x3d8/0x1580 [ 4478.254219][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4478.254219][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4478.254219][ T74] ipv6_add_addr+0x411/0x2000 [ 4478.254219][ T74] inet6_addr_add+0x30e/0xa40 [ 4478.254219][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4478.254219][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4478.254219][ T74] netlink_rcv_skb+0x130/0x360 [ 4478.254219][ T74] netlink_unicast+0x449/0x710 [ 4478.254219][ T74] netlink_sendmsg+0x723/0xbe0 [ 4478.254219][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4478.254219][ T74] ___sys_sendmsg+0xee/0x170 [ 4478.254219][ T74] __sys_sendmsg+0xcd/0x170 [ 4478.254219][ T74] do_syscall_64+0xc6/0x1e0 [ 4478.254219][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4478.254219][ T74] [ 4478.256234][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4478.256234][ T74] netdev_get_by_index+0x5e/0x80 [ 4478.256234][ T74] fib6_nh_init+0x3d8/0x1580 [ 4478.256234][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4478.256234][ T74] ip6_route_add+0x1c/0x140 [ 4478.256234][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4478.256234][ T74] addrconf_add_dev+0xe2/0x170 [ 4478.256234][ T74] inet6_addr_add+0x12f/0xa40 [ 4478.256234][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4478.256234][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4478.256234][ T74] netlink_rcv_skb+0x130/0x360 [ 4478.256234][ T74] netlink_unicast+0x449/0x710 [ 4478.256234][ T74] netlink_sendmsg+0x723/0xbe0 [ 4478.256234][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4478.256234][ T74] ___sys_sendmsg+0xee/0x170 [ 4478.256234][ T74] __sys_sendmsg+0xcd/0x170 [ 4478.256234][ T74] do_syscall_64+0xc6/0x1e0 [ 4478.256234][ T74] [ 4478.258227][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4478.258227][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4478.258227][ T74] ipv6_find_idev+0x102/0x170 [ 4478.258227][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4478.258227][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4478.258227][ T74] netlink_rcv_skb+0x130/0x360 [ 4478.258227][ T74] netlink_unicast+0x449/0x710 [ 4478.258227][ T74] netlink_sendmsg+0x723/0xbe0 [ 4478.258227][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4478.258227][ T74] ___sys_sendmsg+0xee/0x170 [ 4478.258227][ T74] __sys_sendmsg+0xcd/0x170 [ 4478.258227][ T74] do_syscall_64+0xc6/0x1e0 [ 4478.258227][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4478.258227][ T74] [ 4478.259775][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4478.259775][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4478.259775][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4478.259775][ T74] ipv6_find_idev+0x102/0x170 [ 4478.259775][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4478.259775][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4478.259775][ T74] netlink_rcv_skb+0x130/0x360 [ 4478.259775][ T74] netlink_unicast+0x449/0x710 [ 4478.259775][ T74] netlink_sendmsg+0x723/0xbe0 [ 4478.259775][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4478.259775][ T74] ___sys_sendmsg+0xee/0x170 [ 4478.259775][ T74] __sys_sendmsg+0xcd/0x170 [ 4478.259775][ T74] do_syscall_64+0xc6/0x1e0 [ 4478.259775][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4478.259775][ T74] [ 4478.261477][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4478.261751][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4478.261751][ T74] dst_init+0x84/0x4a0 [ 4478.261751][ T74] dst_alloc+0x97/0x150 [ 4478.261751][ T74] ip6_dst_alloc+0x23/0x90 [ 4478.261751][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4478.261751][ T74] ip6_pol_route+0x56f/0x840 [ 4478.261751][ T74] fib6_rule_lookup+0x456/0x630 [ 4478.261751][ T74] ip6_route_input+0x59c/0xa50 [ 4478.261751][ T74] ipv6_rcv+0x397/0x810 [ 4478.261751][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4478.261751][ T74] process_backlog+0x101/0x620 [ 4478.261751][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4478.261751][ T74] net_rx_action+0x495/0xbe0 [ 4478.261751][ T74] __do_softirq+0x1b5/0x7f6 [ 4478.261751][ T74] [ 4478.263409][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4478.263409][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4478.263409][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4478.263409][ T74] fib6_nh_init+0xa22/0x1580 [ 4478.263409][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4478.263409][ T74] ip6_route_add+0x1c/0x140 [ 4478.263409][ T74] inet6_rtm_newroute+0x104/0x110 [ 4478.263409][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4478.263409][ T74] netlink_rcv_skb+0x130/0x360 [ 4478.263409][ T74] netlink_unicast+0x449/0x710 [ 4478.263409][ T74] netlink_sendmsg+0x723/0xbe0 [ 4478.263409][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4478.263409][ T74] ___sys_sendmsg+0xee/0x170 [ 4478.263409][ T74] __sys_sendmsg+0xcd/0x170 [ 4478.263409][ T74] do_syscall_64+0xc6/0x1e0 [ 4478.263409][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4478.263409][ T74] [ 4478.265309][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4478.265309][ T74] netdev_get_by_index+0x5e/0x80 [ 4478.265309][ T74] fib6_nh_init+0x3d8/0x1580 [ 4478.265309][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4478.265309][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4478.265309][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4478.265309][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4478.265309][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4478.265309][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4478.265309][ T74] addrconf_dad_begin+0x310/0x670 [ 4478.265309][ T74] addrconf_dad_work+0x10b/0xab0 [ 4478.265309][ T74] process_one_work+0x84d/0x18a0 [ 4478.265309][ T74] worker_thread+0x587/0xd30 [ 4478.265309][ T74] kthread+0x28a/0x350 [ 4478.265309][ T74] ret_from_fork+0x31/0x70 [ 4478.265309][ T74] ret_from_fork_asm+0x1a/0x30 [ 4478.265309][ T74] [ 4478.267229][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4478.267229][ T74] netdev_get_by_index+0x5e/0x80 [ 4478.267229][ T74] fib6_nh_init+0x3d8/0x1580 [ 4478.267229][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4478.267229][ T74] ip6_route_add+0x1c/0x140 [ 4478.267229][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4478.267229][ T74] inet6_addr_add+0x4f8/0xa40 [ 4478.267229][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4478.267229][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4478.267229][ T74] netlink_rcv_skb+0x130/0x360 [ 4478.267229][ T74] netlink_unicast+0x449/0x710 [ 4478.267229][ T74] netlink_sendmsg+0x723/0xbe0 [ 4478.267229][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4478.267229][ T74] ___sys_sendmsg+0xee/0x170 [ 4478.267229][ T74] __sys_sendmsg+0xcd/0x170 [ 4478.267229][ T74] do_syscall_64+0xc6/0x1e0 [ 4478.267229][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4478.267229][ T74] [ 4478.269242][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4478.269242][ T74] netdev_get_by_index+0x5e/0x80 [ 4478.269242][ T74] fib6_nh_init+0x3d8/0x1580 [ 4478.269242][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4478.269242][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4478.269242][ T74] ipv6_add_addr+0x411/0x2000 [ 4478.269242][ T74] inet6_addr_add+0x30e/0xa40 [ 4478.269242][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4478.269242][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4478.269242][ T74] netlink_rcv_skb+0x130/0x360 [ 4478.269242][ T74] netlink_unicast+0x449/0x710 [ 4478.269242][ T74] netlink_sendmsg+0x723/0xbe0 [ 4478.269242][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4478.269242][ T74] ___sys_sendmsg+0xee/0x170 [ 4478.269242][ T74] __sys_sendmsg+0xcd/0x170 [ 4478.269242][ T74] do_syscall_64+0xc6/0x1e0 [ 4478.269242][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4478.269242][ T74] [ 4478.271254][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4478.271254][ T74] netdev_get_by_index+0x5e/0x80 [ 4478.271254][ T74] fib6_nh_init+0x3d8/0x1580 [ 4478.271254][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4478.271254][ T74] ip6_route_add+0x1c/0x140 [ 4478.271254][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4478.271254][ T74] addrconf_add_dev+0xe2/0x170 [ 4478.271254][ T74] inet6_addr_add+0x12f/0xa40 [ 4478.271254][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4478.271254][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4478.271254][ T74] netlink_rcv_skb+0x130/0x360 [ 4478.271254][ T74] netlink_unicast+0x449/0x710 [ 4478.271254][ T74] netlink_sendmsg+0x723/0xbe0 [ 4478.271254][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4478.271254][ T74] ___sys_sendmsg+0xee/0x170 [ 4478.271254][ T74] __sys_sendmsg+0xcd/0x170 [ 4478.271254][ T74] do_syscall_64+0xc6/0x1e0 [ 4478.271254][ T74] [ 4478.273242][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4478.273242][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4478.273242][ T74] ipv6_find_idev+0x102/0x170 [ 4478.273242][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4478.273242][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4478.273242][ T74] netlink_rcv_skb+0x130/0x360 [ 4478.273242][ T74] netlink_unicast+0x449/0x710 [ 4478.273242][ T74] netlink_sendmsg+0x723/0xbe0 [ 4478.273242][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4478.273242][ T74] ___sys_sendmsg+0xee/0x170 [ 4478.273242][ T74] __sys_sendmsg+0xcd/0x170 [ 4478.273242][ T74] do_syscall_64+0xc6/0x1e0 [ 4478.273242][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4478.273242][ T74] [ 4478.274980][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4478.274980][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4478.274980][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4478.274980][ T74] ipv6_find_idev+0x102/0x170 [ 4478.274980][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4478.274980][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4478.274980][ T74] netlink_rcv_skb+0x130/0x360 [ 4478.274980][ T74] netlink_unicast+0x449/0x710 [ 4478.274980][ T74] netlink_sendmsg+0x723/0xbe0 [ 4478.274980][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4478.274980][ T74] ___sys_sendmsg+0xee/0x170 [ 4478.274980][ T74] __sys_sendmsg+0xcd/0x170 [ 4478.274980][ T74] do_syscall_64+0xc6/0x1e0 [ 4478.274980][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4478.274980][ T74] [ 4478.276914][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4478.277149][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4478.277149][ T74] netdev_get_by_index+0x5e/0x80 [ 4478.277149][ T74] fib6_nh_init+0x3d8/0x1580 [ 4478.277149][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4478.277149][ T74] ip6_route_add+0x1c/0x140 [ 4478.277149][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4478.277149][ T74] inet6_addr_add+0x4f8/0xa40 [ 4478.277149][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4478.277149][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4478.277149][ T74] netlink_rcv_skb+0x130/0x360 [ 4478.277149][ T74] netlink_unicast+0x449/0x710 [ 4478.277149][ T74] netlink_sendmsg+0x723/0xbe0 [ 4478.277149][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4478.277149][ T74] ___sys_sendmsg+0xee/0x170 [ 4478.277149][ T74] __sys_sendmsg+0xcd/0x170 [ 4478.277149][ T74] do_syscall_64+0xc6/0x1e0 [ 4478.277149][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4478.277149][ T74] [ 4478.279410][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4478.279410][ T74] netdev_get_by_index+0x5e/0x80 [ 4478.279410][ T74] fib6_nh_init+0x3d8/0x1580 [ 4478.279410][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4478.279410][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4478.279410][ T74] ipv6_add_addr+0x411/0x2000 [ 4478.279410][ T74] inet6_addr_add+0x30e/0xa40 [ 4478.279410][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4478.279410][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4478.279410][ T74] netlink_rcv_skb+0x130/0x360 [ 4478.279410][ T74] netlink_unicast+0x449/0x710 [ 4478.279410][ T74] netlink_sendmsg+0x723/0xbe0 [ 4478.279410][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4478.279410][ T74] ___sys_sendmsg+0xee/0x170 [ 4478.279410][ T74] __sys_sendmsg+0xcd/0x170 [ 4478.279410][ T74] do_syscall_64+0xc6/0x1e0 [ 4478.279410][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4478.279410][ T74] [ 4478.281711][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4478.281711][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4478.281711][ T74] ipv6_find_idev+0x102/0x170 [ 4478.281711][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4478.281711][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4478.281711][ T74] netlink_rcv_skb+0x130/0x360 [ 4478.281711][ T74] netlink_unicast+0x449/0x710 [ 4478.281711][ T74] netlink_sendmsg+0x723/0xbe0 [ 4478.281711][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4478.281711][ T74] ___sys_sendmsg+0xee/0x170 [ 4478.281711][ T74] __sys_sendmsg+0xcd/0x170 [ 4478.281711][ T74] do_syscall_64+0xc6/0x1e0 [ 4478.281711][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4478.281711][ T74] [ 4478.283497][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4478.283497][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4478.283497][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4478.283497][ T74] ipv6_find_idev+0x102/0x170 [ 4478.283497][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4478.283497][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4478.283497][ T74] netlink_rcv_skb+0x130/0x360 [ 4478.283497][ T74] netlink_unicast+0x449/0x710 [ 4478.283497][ T74] netlink_sendmsg+0x723/0xbe0 [ 4478.283497][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4478.283497][ T74] ___sys_sendmsg+0xee/0x170 [ 4478.283497][ T74] __sys_sendmsg+0xcd/0x170 [ 4478.283497][ T74] do_syscall_64+0xc6/0x1e0 [ 4478.283497][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4478.283497][ T74] [ 4488.336029][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4488.336453][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4488.336453][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4488.336453][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4488.336453][ T74] fib6_nh_init+0xa22/0x1580 [ 4488.336453][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4488.336453][ T74] ip6_route_add+0x1c/0x140 [ 4488.336453][ T74] inet6_rtm_newroute+0x104/0x110 [ 4488.336453][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4488.336453][ T74] netlink_rcv_skb+0x130/0x360 [ 4488.336453][ T74] netlink_unicast+0x449/0x710 [ 4488.336453][ T74] netlink_sendmsg+0x723/0xbe0 [ 4488.336453][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4488.336453][ T74] ___sys_sendmsg+0xee/0x170 [ 4488.336453][ T74] __sys_sendmsg+0xcd/0x170 [ 4488.336453][ T74] do_syscall_64+0xc6/0x1e0 [ 4488.336453][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4488.336453][ T74] [ 4488.338415][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4488.338415][ T74] netdev_get_by_index+0x5e/0x80 [ 4488.338415][ T74] fib6_nh_init+0x3d8/0x1580 [ 4488.338415][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4488.338415][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4488.338415][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4488.338415][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4488.338415][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4488.338415][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4488.338415][ T74] addrconf_dad_begin+0x310/0x670 [ 4488.338415][ T74] addrconf_dad_work+0x10b/0xab0 [ 4488.338415][ T74] process_one_work+0x84d/0x18a0 [ 4488.338415][ T74] worker_thread+0x587/0xd30 [ 4488.338415][ T74] kthread+0x28a/0x350 [ 4488.338415][ T74] ret_from_fork+0x31/0x70 [ 4488.338415][ T74] ret_from_fork_asm+0x1a/0x30 [ 4488.338415][ T74] [ 4488.340341][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4488.340341][ T74] netdev_get_by_index+0x5e/0x80 [ 4488.340341][ T74] fib6_nh_init+0x3d8/0x1580 [ 4488.340341][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4488.340341][ T74] ip6_route_add+0x1c/0x140 [ 4488.340341][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4488.340341][ T74] inet6_addr_add+0x4f8/0xa40 [ 4488.340341][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4488.340341][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4488.340341][ T74] netlink_rcv_skb+0x130/0x360 [ 4488.340341][ T74] netlink_unicast+0x449/0x710 [ 4488.340341][ T74] netlink_sendmsg+0x723/0xbe0 [ 4488.340341][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4488.340341][ T74] ___sys_sendmsg+0xee/0x170 [ 4488.340341][ T74] __sys_sendmsg+0xcd/0x170 [ 4488.340341][ T74] do_syscall_64+0xc6/0x1e0 [ 4488.340341][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4488.340341][ T74] [ 4488.342359][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4488.342359][ T74] netdev_get_by_index+0x5e/0x80 [ 4488.342359][ T74] fib6_nh_init+0x3d8/0x1580 [ 4488.342359][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4488.342359][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4488.342359][ T74] ipv6_add_addr+0x411/0x2000 [ 4488.342359][ T74] inet6_addr_add+0x30e/0xa40 [ 4488.342359][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4488.342359][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4488.342359][ T74] netlink_rcv_skb+0x130/0x360 [ 4488.342359][ T74] netlink_unicast+0x449/0x710 [ 4488.342359][ T74] netlink_sendmsg+0x723/0xbe0 [ 4488.342359][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4488.342359][ T74] ___sys_sendmsg+0xee/0x170 [ 4488.342359][ T74] __sys_sendmsg+0xcd/0x170 [ 4488.342359][ T74] do_syscall_64+0xc6/0x1e0 [ 4488.342359][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4488.342359][ T74] [ 4488.344365][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4488.344365][ T74] netdev_get_by_index+0x5e/0x80 [ 4488.344365][ T74] fib6_nh_init+0x3d8/0x1580 [ 4488.344365][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4488.344365][ T74] ip6_route_add+0x1c/0x140 [ 4488.344365][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4488.344365][ T74] addrconf_add_dev+0xe2/0x170 [ 4488.344365][ T74] inet6_addr_add+0x12f/0xa40 [ 4488.344365][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4488.344365][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4488.344365][ T74] netlink_rcv_skb+0x130/0x360 [ 4488.344365][ T74] netlink_unicast+0x449/0x710 [ 4488.344365][ T74] netlink_sendmsg+0x723/0xbe0 [ 4488.344365][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4488.344365][ T74] ___sys_sendmsg+0xee/0x170 [ 4488.344365][ T74] __sys_sendmsg+0xcd/0x170 [ 4488.344365][ T74] do_syscall_64+0xc6/0x1e0 [ 4488.344365][ T74] [ 4488.346341][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4488.346341][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4488.346341][ T74] ipv6_find_idev+0x102/0x170 [ 4488.346341][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4488.346341][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4488.346341][ T74] netlink_rcv_skb+0x130/0x360 [ 4488.346341][ T74] netlink_unicast+0x449/0x710 [ 4488.346341][ T74] netlink_sendmsg+0x723/0xbe0 [ 4488.346341][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4488.346341][ T74] ___sys_sendmsg+0xee/0x170 [ 4488.346341][ T74] __sys_sendmsg+0xcd/0x170 [ 4488.346341][ T74] do_syscall_64+0xc6/0x1e0 [ 4488.346341][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4488.346341][ T74] [ 4488.347890][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4488.347890][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4488.347890][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4488.347890][ T74] ipv6_find_idev+0x102/0x170 [ 4488.347890][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4488.347890][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4488.347890][ T74] netlink_rcv_skb+0x130/0x360 [ 4488.347890][ T74] netlink_unicast+0x449/0x710 [ 4488.347890][ T74] netlink_sendmsg+0x723/0xbe0 [ 4488.347890][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4488.347890][ T74] ___sys_sendmsg+0xee/0x170 [ 4488.347890][ T74] __sys_sendmsg+0xcd/0x170 [ 4488.347890][ T74] do_syscall_64+0xc6/0x1e0 [ 4488.347890][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4488.347890][ T74] [ 4488.349611][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4488.349921][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4488.349921][ T74] dst_init+0x84/0x4a0 [ 4488.349921][ T74] dst_alloc+0x97/0x150 [ 4488.349921][ T74] ip6_dst_alloc+0x23/0x90 [ 4488.349921][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4488.349921][ T74] ip6_pol_route+0x56f/0x840 [ 4488.349921][ T74] fib6_rule_lookup+0x456/0x630 [ 4488.349921][ T74] ip6_route_input+0x59c/0xa50 [ 4488.349921][ T74] ipv6_rcv+0x397/0x810 [ 4488.349921][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4488.349921][ T74] process_backlog+0x101/0x620 [ 4488.349921][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4488.349921][ T74] net_rx_action+0x495/0xbe0 [ 4488.349921][ T74] __do_softirq+0x1b5/0x7f6 [ 4488.349921][ T74] [ 4488.351556][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4488.351556][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4488.351556][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4488.351556][ T74] fib6_nh_init+0xa22/0x1580 [ 4488.351556][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4488.351556][ T74] ip6_route_add+0x1c/0x140 [ 4488.351556][ T74] inet6_rtm_newroute+0x104/0x110 [ 4488.351556][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4488.351556][ T74] netlink_rcv_skb+0x130/0x360 [ 4488.351556][ T74] netlink_unicast+0x449/0x710 [ 4488.351556][ T74] netlink_sendmsg+0x723/0xbe0 [ 4488.351556][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4488.351556][ T74] ___sys_sendmsg+0xee/0x170 [ 4488.351556][ T74] __sys_sendmsg+0xcd/0x170 [ 4488.351556][ T74] do_syscall_64+0xc6/0x1e0 [ 4488.351556][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4488.351556][ T74] [ 4488.353447][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4488.353447][ T74] netdev_get_by_index+0x5e/0x80 [ 4488.353447][ T74] fib6_nh_init+0x3d8/0x1580 [ 4488.353447][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4488.353447][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4488.353447][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4488.353447][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4488.353447][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4488.353447][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4488.353447][ T74] addrconf_dad_begin+0x310/0x670 [ 4488.353447][ T74] addrconf_dad_work+0x10b/0xab0 [ 4488.353447][ T74] process_one_work+0x84d/0x18a0 [ 4488.353447][ T74] worker_thread+0x587/0xd30 [ 4488.353447][ T74] kthread+0x28a/0x350 [ 4488.353447][ T74] ret_from_fork+0x31/0x70 [ 4488.353447][ T74] ret_from_fork_asm+0x1a/0x30 [ 4488.353447][ T74] [ 4488.355390][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4488.355390][ T74] netdev_get_by_index+0x5e/0x80 [ 4488.355390][ T74] fib6_nh_init+0x3d8/0x1580 [ 4488.355390][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4488.355390][ T74] ip6_route_add+0x1c/0x140 [ 4488.355390][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4488.355390][ T74] inet6_addr_add+0x4f8/0xa40 [ 4488.355390][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4488.355390][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4488.355390][ T74] netlink_rcv_skb+0x130/0x360 [ 4488.355390][ T74] netlink_unicast+0x449/0x710 [ 4488.355390][ T74] netlink_sendmsg+0x723/0xbe0 [ 4488.355390][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4488.355390][ T74] ___sys_sendmsg+0xee/0x170 [ 4488.355390][ T74] __sys_sendmsg+0xcd/0x170 [ 4488.355390][ T74] do_syscall_64+0xc6/0x1e0 [ 4488.355390][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4488.355390][ T74] [ 4488.357404][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4488.357404][ T74] netdev_get_by_index+0x5e/0x80 [ 4488.357404][ T74] fib6_nh_init+0x3d8/0x1580 [ 4488.357404][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4488.357404][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4488.357404][ T74] ipv6_add_addr+0x411/0x2000 [ 4488.357404][ T74] inet6_addr_add+0x30e/0xa40 [ 4488.357404][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4488.357404][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4488.357404][ T74] netlink_rcv_skb+0x130/0x360 [ 4488.357404][ T74] netlink_unicast+0x449/0x710 [ 4488.357404][ T74] netlink_sendmsg+0x723/0xbe0 [ 4488.357404][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4488.357404][ T74] ___sys_sendmsg+0xee/0x170 [ 4488.357404][ T74] __sys_sendmsg+0xcd/0x170 [ 4488.357404][ T74] do_syscall_64+0xc6/0x1e0 [ 4488.357404][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4488.357404][ T74] [ 4488.359407][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4488.359407][ T74] netdev_get_by_index+0x5e/0x80 [ 4488.359407][ T74] fib6_nh_init+0x3d8/0x1580 [ 4488.359407][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4488.359407][ T74] ip6_route_add+0x1c/0x140 [ 4488.359407][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4488.359407][ T74] addrconf_add_dev+0xe2/0x170 [ 4488.359407][ T74] inet6_addr_add+0x12f/0xa40 [ 4488.359407][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4488.359407][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4488.359407][ T74] netlink_rcv_skb+0x130/0x360 [ 4488.359407][ T74] netlink_unicast+0x449/0x710 [ 4488.359407][ T74] netlink_sendmsg+0x723/0xbe0 [ 4488.359407][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4488.359407][ T74] ___sys_sendmsg+0xee/0x170 [ 4488.359407][ T74] __sys_sendmsg+0xcd/0x170 [ 4488.359407][ T74] do_syscall_64+0xc6/0x1e0 [ 4488.359407][ T74] [ 4488.361361][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4488.361361][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4488.361361][ T74] ipv6_find_idev+0x102/0x170 [ 4488.361361][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4488.361361][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4488.361361][ T74] netlink_rcv_skb+0x130/0x360 [ 4488.361361][ T74] netlink_unicast+0x449/0x710 [ 4488.361361][ T74] netlink_sendmsg+0x723/0xbe0 [ 4488.361361][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4488.361361][ T74] ___sys_sendmsg+0xee/0x170 [ 4488.361361][ T74] __sys_sendmsg+0xcd/0x170 [ 4488.361361][ T74] do_syscall_64+0xc6/0x1e0 [ 4488.361361][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4488.361361][ T74] [ 4488.363077][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4488.363077][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4488.363077][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4488.363077][ T74] ipv6_find_idev+0x102/0x170 [ 4488.363077][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4488.363077][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4488.363077][ T74] netlink_rcv_skb+0x130/0x360 [ 4488.363077][ T74] netlink_unicast+0x449/0x710 [ 4488.363077][ T74] netlink_sendmsg+0x723/0xbe0 [ 4488.363077][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4488.363077][ T74] ___sys_sendmsg+0xee/0x170 [ 4488.363077][ T74] __sys_sendmsg+0xcd/0x170 [ 4488.363077][ T74] do_syscall_64+0xc6/0x1e0 [ 4488.363077][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4488.363077][ T74] [ 4488.364998][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4488.365239][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4488.365239][ T74] netdev_get_by_index+0x5e/0x80 [ 4488.365239][ T74] fib6_nh_init+0x3d8/0x1580 [ 4488.365239][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4488.365239][ T74] ip6_route_add+0x1c/0x140 [ 4488.365239][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4488.365239][ T74] inet6_addr_add+0x4f8/0xa40 [ 4488.365239][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4488.365239][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4488.365239][ T74] netlink_rcv_skb+0x130/0x360 [ 4488.365239][ T74] netlink_unicast+0x449/0x710 [ 4488.365239][ T74] netlink_sendmsg+0x723/0xbe0 [ 4488.365239][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4488.365239][ T74] ___sys_sendmsg+0xee/0x170 [ 4488.365239][ T74] __sys_sendmsg+0xcd/0x170 [ 4488.365239][ T74] do_syscall_64+0xc6/0x1e0 [ 4488.365239][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4488.365239][ T74] [ 4488.367479][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4488.367479][ T74] netdev_get_by_index+0x5e/0x80 [ 4488.367479][ T74] fib6_nh_init+0x3d8/0x1580 [ 4488.367479][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4488.367479][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4488.367479][ T74] ipv6_add_addr+0x411/0x2000 [ 4488.367479][ T74] inet6_addr_add+0x30e/0xa40 [ 4488.367479][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4488.367479][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4488.367479][ T74] netlink_rcv_skb+0x130/0x360 [ 4488.367479][ T74] netlink_unicast+0x449/0x710 [ 4488.367479][ T74] netlink_sendmsg+0x723/0xbe0 [ 4488.367479][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4488.367479][ T74] ___sys_sendmsg+0xee/0x170 [ 4488.367479][ T74] __sys_sendmsg+0xcd/0x170 [ 4488.367479][ T74] do_syscall_64+0xc6/0x1e0 [ 4488.367479][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4488.367479][ T74] [ 4488.369699][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4488.369699][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4488.369699][ T74] ipv6_find_idev+0x102/0x170 [ 4488.369699][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4488.369699][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4488.369699][ T74] netlink_rcv_skb+0x130/0x360 [ 4488.369699][ T74] netlink_unicast+0x449/0x710 [ 4488.369699][ T74] netlink_sendmsg+0x723/0xbe0 [ 4488.369699][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4488.369699][ T74] ___sys_sendmsg+0xee/0x170 [ 4488.369699][ T74] __sys_sendmsg+0xcd/0x170 [ 4488.369699][ T74] do_syscall_64+0xc6/0x1e0 [ 4488.369699][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4488.369699][ T74] [ 4488.371409][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4488.371409][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4488.371409][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4488.371409][ T74] ipv6_find_idev+0x102/0x170 [ 4488.371409][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4488.371409][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4488.371409][ T74] netlink_rcv_skb+0x130/0x360 [ 4488.371409][ T74] netlink_unicast+0x449/0x710 [ 4488.371409][ T74] netlink_sendmsg+0x723/0xbe0 [ 4488.371409][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4488.371409][ T74] ___sys_sendmsg+0xee/0x170 [ 4488.371409][ T74] __sys_sendmsg+0xcd/0x170 [ 4488.371409][ T74] do_syscall_64+0xc6/0x1e0 [ 4488.371409][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4488.371409][ T74] [ 4498.615985][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4498.616408][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4498.616408][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4498.616408][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4498.616408][ T74] fib6_nh_init+0xa22/0x1580 [ 4498.616408][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4498.616408][ T74] ip6_route_add+0x1c/0x140 [ 4498.616408][ T74] inet6_rtm_newroute+0x104/0x110 [ 4498.616408][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4498.616408][ T74] netlink_rcv_skb+0x130/0x360 [ 4498.616408][ T74] netlink_unicast+0x449/0x710 [ 4498.616408][ T74] netlink_sendmsg+0x723/0xbe0 [ 4498.616408][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4498.616408][ T74] ___sys_sendmsg+0xee/0x170 [ 4498.616408][ T74] __sys_sendmsg+0xcd/0x170 [ 4498.616408][ T74] do_syscall_64+0xc6/0x1e0 [ 4498.616408][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4498.616408][ T74] [ 4498.618373][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4498.618373][ T74] netdev_get_by_index+0x5e/0x80 [ 4498.618373][ T74] fib6_nh_init+0x3d8/0x1580 [ 4498.618373][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4498.618373][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4498.618373][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4498.618373][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4498.618373][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4498.618373][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4498.618373][ T74] addrconf_dad_begin+0x310/0x670 [ 4498.618373][ T74] addrconf_dad_work+0x10b/0xab0 [ 4498.618373][ T74] process_one_work+0x84d/0x18a0 [ 4498.618373][ T74] worker_thread+0x587/0xd30 [ 4498.618373][ T74] kthread+0x28a/0x350 [ 4498.618373][ T74] ret_from_fork+0x31/0x70 [ 4498.618373][ T74] ret_from_fork_asm+0x1a/0x30 [ 4498.618373][ T74] [ 4498.620291][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4498.620291][ T74] netdev_get_by_index+0x5e/0x80 [ 4498.620291][ T74] fib6_nh_init+0x3d8/0x1580 [ 4498.620291][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4498.620291][ T74] ip6_route_add+0x1c/0x140 [ 4498.620291][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4498.620291][ T74] inet6_addr_add+0x4f8/0xa40 [ 4498.620291][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4498.620291][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4498.620291][ T74] netlink_rcv_skb+0x130/0x360 [ 4498.620291][ T74] netlink_unicast+0x449/0x710 [ 4498.620291][ T74] netlink_sendmsg+0x723/0xbe0 [ 4498.620291][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4498.620291][ T74] ___sys_sendmsg+0xee/0x170 [ 4498.620291][ T74] __sys_sendmsg+0xcd/0x170 [ 4498.620291][ T74] do_syscall_64+0xc6/0x1e0 [ 4498.620291][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4498.620291][ T74] [ 4498.622305][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4498.622305][ T74] netdev_get_by_index+0x5e/0x80 [ 4498.622305][ T74] fib6_nh_init+0x3d8/0x1580 [ 4498.622305][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4498.622305][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4498.622305][ T74] ipv6_add_addr+0x411/0x2000 [ 4498.622305][ T74] inet6_addr_add+0x30e/0xa40 [ 4498.622305][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4498.622305][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4498.622305][ T74] netlink_rcv_skb+0x130/0x360 [ 4498.622305][ T74] netlink_unicast+0x449/0x710 [ 4498.622305][ T74] netlink_sendmsg+0x723/0xbe0 [ 4498.622305][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4498.622305][ T74] ___sys_sendmsg+0xee/0x170 [ 4498.622305][ T74] __sys_sendmsg+0xcd/0x170 [ 4498.622305][ T74] do_syscall_64+0xc6/0x1e0 [ 4498.622305][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4498.622305][ T74] [ 4498.624326][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4498.624326][ T74] netdev_get_by_index+0x5e/0x80 [ 4498.624326][ T74] fib6_nh_init+0x3d8/0x1580 [ 4498.624326][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4498.624326][ T74] ip6_route_add+0x1c/0x140 [ 4498.624326][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4498.624326][ T74] addrconf_add_dev+0xe2/0x170 [ 4498.624326][ T74] inet6_addr_add+0x12f/0xa40 [ 4498.624326][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4498.624326][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4498.624326][ T74] netlink_rcv_skb+0x130/0x360 [ 4498.624326][ T74] netlink_unicast+0x449/0x710 [ 4498.624326][ T74] netlink_sendmsg+0x723/0xbe0 [ 4498.624326][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4498.624326][ T74] ___sys_sendmsg+0xee/0x170 [ 4498.624326][ T74] __sys_sendmsg+0xcd/0x170 [ 4498.624326][ T74] do_syscall_64+0xc6/0x1e0 [ 4498.624326][ T74] [ 4498.626312][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4498.626312][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4498.626312][ T74] ipv6_find_idev+0x102/0x170 [ 4498.626312][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4498.626312][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4498.626312][ T74] netlink_rcv_skb+0x130/0x360 [ 4498.626312][ T74] netlink_unicast+0x449/0x710 [ 4498.626312][ T74] netlink_sendmsg+0x723/0xbe0 [ 4498.626312][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4498.626312][ T74] ___sys_sendmsg+0xee/0x170 [ 4498.626312][ T74] __sys_sendmsg+0xcd/0x170 [ 4498.626312][ T74] do_syscall_64+0xc6/0x1e0 [ 4498.626312][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4498.626312][ T74] [ 4498.627868][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4498.627868][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4498.627868][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4498.627868][ T74] ipv6_find_idev+0x102/0x170 [ 4498.627868][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4498.627868][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4498.627868][ T74] netlink_rcv_skb+0x130/0x360 [ 4498.627868][ T74] netlink_unicast+0x449/0x710 [ 4498.627868][ T74] netlink_sendmsg+0x723/0xbe0 [ 4498.627868][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4498.627868][ T74] ___sys_sendmsg+0xee/0x170 [ 4498.627868][ T74] __sys_sendmsg+0xcd/0x170 [ 4498.627868][ T74] do_syscall_64+0xc6/0x1e0 [ 4498.627868][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4498.627868][ T74] [ 4498.629567][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4498.629835][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4498.629835][ T74] dst_init+0x84/0x4a0 [ 4498.629835][ T74] dst_alloc+0x97/0x150 [ 4498.629835][ T74] ip6_dst_alloc+0x23/0x90 [ 4498.629835][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4498.629835][ T74] ip6_pol_route+0x56f/0x840 [ 4498.629835][ T74] fib6_rule_lookup+0x456/0x630 [ 4498.629835][ T74] ip6_route_input+0x59c/0xa50 [ 4498.629835][ T74] ipv6_rcv+0x397/0x810 [ 4498.629835][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4498.629835][ T74] process_backlog+0x101/0x620 [ 4498.629835][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4498.629835][ T74] net_rx_action+0x495/0xbe0 [ 4498.629835][ T74] __do_softirq+0x1b5/0x7f6 [ 4498.629835][ T74] [ 4498.631491][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4498.631491][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4498.631491][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4498.631491][ T74] fib6_nh_init+0xa22/0x1580 [ 4498.631491][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4498.631491][ T74] ip6_route_add+0x1c/0x140 [ 4498.631491][ T74] inet6_rtm_newroute+0x104/0x110 [ 4498.631491][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4498.631491][ T74] netlink_rcv_skb+0x130/0x360 [ 4498.631491][ T74] netlink_unicast+0x449/0x710 [ 4498.631491][ T74] netlink_sendmsg+0x723/0xbe0 [ 4498.631491][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4498.631491][ T74] ___sys_sendmsg+0xee/0x170 [ 4498.631491][ T74] __sys_sendmsg+0xcd/0x170 [ 4498.631491][ T74] do_syscall_64+0xc6/0x1e0 [ 4498.631491][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4498.631491][ T74] [ 4498.633374][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4498.633374][ T74] netdev_get_by_index+0x5e/0x80 [ 4498.633374][ T74] fib6_nh_init+0x3d8/0x1580 [ 4498.633374][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4498.633374][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4498.633374][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4498.633374][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4498.633374][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4498.633374][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4498.633374][ T74] addrconf_dad_begin+0x310/0x670 [ 4498.633374][ T74] addrconf_dad_work+0x10b/0xab0 [ 4498.633374][ T74] process_one_work+0x84d/0x18a0 [ 4498.633374][ T74] worker_thread+0x587/0xd30 [ 4498.633374][ T74] kthread+0x28a/0x350 [ 4498.633374][ T74] ret_from_fork+0x31/0x70 [ 4498.633374][ T74] ret_from_fork_asm+0x1a/0x30 [ 4498.633374][ T74] [ 4498.635282][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4498.635282][ T74] netdev_get_by_index+0x5e/0x80 [ 4498.635282][ T74] fib6_nh_init+0x3d8/0x1580 [ 4498.635282][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4498.635282][ T74] ip6_route_add+0x1c/0x140 [ 4498.635282][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4498.635282][ T74] inet6_addr_add+0x4f8/0xa40 [ 4498.635282][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4498.635282][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4498.635282][ T74] netlink_rcv_skb+0x130/0x360 [ 4498.635282][ T74] netlink_unicast+0x449/0x710 [ 4498.635282][ T74] netlink_sendmsg+0x723/0xbe0 [ 4498.635282][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4498.635282][ T74] ___sys_sendmsg+0xee/0x170 [ 4498.635282][ T74] __sys_sendmsg+0xcd/0x170 [ 4498.635282][ T74] do_syscall_64+0xc6/0x1e0 [ 4498.635282][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4498.635282][ T74] [ 4498.637281][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4498.637281][ T74] netdev_get_by_index+0x5e/0x80 [ 4498.637281][ T74] fib6_nh_init+0x3d8/0x1580 [ 4498.637281][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4498.637281][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4498.637281][ T74] ipv6_add_addr+0x411/0x2000 [ 4498.637281][ T74] inet6_addr_add+0x30e/0xa40 [ 4498.637281][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4498.637281][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4498.637281][ T74] netlink_rcv_skb+0x130/0x360 [ 4498.637281][ T74] netlink_unicast+0x449/0x710 [ 4498.637281][ T74] netlink_sendmsg+0x723/0xbe0 [ 4498.637281][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4498.637281][ T74] ___sys_sendmsg+0xee/0x170 [ 4498.637281][ T74] __sys_sendmsg+0xcd/0x170 [ 4498.637281][ T74] do_syscall_64+0xc6/0x1e0 [ 4498.637281][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4498.637281][ T74] [ 4498.639304][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4498.639304][ T74] netdev_get_by_index+0x5e/0x80 [ 4498.639304][ T74] fib6_nh_init+0x3d8/0x1580 [ 4498.639304][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4498.639304][ T74] ip6_route_add+0x1c/0x140 [ 4498.639304][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4498.639304][ T74] addrconf_add_dev+0xe2/0x170 [ 4498.639304][ T74] inet6_addr_add+0x12f/0xa40 [ 4498.639304][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4498.639304][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4498.639304][ T74] netlink_rcv_skb+0x130/0x360 [ 4498.639304][ T74] netlink_unicast+0x449/0x710 [ 4498.639304][ T74] netlink_sendmsg+0x723/0xbe0 [ 4498.639304][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4498.639304][ T74] ___sys_sendmsg+0xee/0x170 [ 4498.639304][ T74] __sys_sendmsg+0xcd/0x170 [ 4498.639304][ T74] do_syscall_64+0xc6/0x1e0 [ 4498.639304][ T74] [ 4498.641262][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4498.641262][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4498.641262][ T74] ipv6_find_idev+0x102/0x170 [ 4498.641262][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4498.641262][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4498.641262][ T74] netlink_rcv_skb+0x130/0x360 [ 4498.641262][ T74] netlink_unicast+0x449/0x710 [ 4498.641262][ T74] netlink_sendmsg+0x723/0xbe0 [ 4498.641262][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4498.641262][ T74] ___sys_sendmsg+0xee/0x170 [ 4498.641262][ T74] __sys_sendmsg+0xcd/0x170 [ 4498.641262][ T74] do_syscall_64+0xc6/0x1e0 [ 4498.641262][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4498.641262][ T74] [ 4498.642999][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4498.642999][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4498.642999][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4498.642999][ T74] ipv6_find_idev+0x102/0x170 [ 4498.642999][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4498.642999][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4498.642999][ T74] netlink_rcv_skb+0x130/0x360 [ 4498.642999][ T74] netlink_unicast+0x449/0x710 [ 4498.642999][ T74] netlink_sendmsg+0x723/0xbe0 [ 4498.642999][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4498.642999][ T74] ___sys_sendmsg+0xee/0x170 [ 4498.642999][ T74] __sys_sendmsg+0xcd/0x170 [ 4498.642999][ T74] do_syscall_64+0xc6/0x1e0 [ 4498.642999][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4498.642999][ T74] [ 4498.644920][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4498.645159][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4498.645159][ T74] netdev_get_by_index+0x5e/0x80 [ 4498.645159][ T74] fib6_nh_init+0x3d8/0x1580 [ 4498.645159][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4498.645159][ T74] ip6_route_add+0x1c/0x140 [ 4498.645159][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4498.645159][ T74] inet6_addr_add+0x4f8/0xa40 [ 4498.645159][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4498.645159][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4498.645159][ T74] netlink_rcv_skb+0x130/0x360 [ 4498.645159][ T74] netlink_unicast+0x449/0x710 [ 4498.645159][ T74] netlink_sendmsg+0x723/0xbe0 [ 4498.645159][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4498.645159][ T74] ___sys_sendmsg+0xee/0x170 [ 4498.645159][ T74] __sys_sendmsg+0xcd/0x170 [ 4498.645159][ T74] do_syscall_64+0xc6/0x1e0 [ 4498.645159][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4498.645159][ T74] [ 4498.647410][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4498.647410][ T74] netdev_get_by_index+0x5e/0x80 [ 4498.647410][ T74] fib6_nh_init+0x3d8/0x1580 [ 4498.647410][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4498.647410][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4498.647410][ T74] ipv6_add_addr+0x411/0x2000 [ 4498.647410][ T74] inet6_addr_add+0x30e/0xa40 [ 4498.647410][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4498.647410][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4498.647410][ T74] netlink_rcv_skb+0x130/0x360 [ 4498.647410][ T74] netlink_unicast+0x449/0x710 [ 4498.647410][ T74] netlink_sendmsg+0x723/0xbe0 [ 4498.647410][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4498.647410][ T74] ___sys_sendmsg+0xee/0x170 [ 4498.647410][ T74] __sys_sendmsg+0xcd/0x170 [ 4498.647410][ T74] do_syscall_64+0xc6/0x1e0 [ 4498.647410][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4498.647410][ T74] [ 4498.649642][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4498.649642][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4498.649642][ T74] ipv6_find_idev+0x102/0x170 [ 4498.649642][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4498.649642][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4498.649642][ T74] netlink_rcv_skb+0x130/0x360 [ 4498.649642][ T74] netlink_unicast+0x449/0x710 [ 4498.649642][ T74] netlink_sendmsg+0x723/0xbe0 [ 4498.649642][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4498.649642][ T74] ___sys_sendmsg+0xee/0x170 [ 4498.649642][ T74] __sys_sendmsg+0xcd/0x170 [ 4498.649642][ T74] do_syscall_64+0xc6/0x1e0 [ 4498.649642][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4498.649642][ T74] [ 4498.651307][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4498.651307][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4498.651307][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4498.651307][ T74] ipv6_find_idev+0x102/0x170 [ 4498.651307][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4498.651307][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4498.651307][ T74] netlink_rcv_skb+0x130/0x360 [ 4498.651307][ T74] netlink_unicast+0x449/0x710 [ 4498.651307][ T74] netlink_sendmsg+0x723/0xbe0 [ 4498.651307][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4498.651307][ T74] ___sys_sendmsg+0xee/0x170 [ 4498.651307][ T74] __sys_sendmsg+0xcd/0x170 [ 4498.651307][ T74] do_syscall_64+0xc6/0x1e0 [ 4498.651307][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4498.651307][ T74] [ 4508.895978][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4508.896444][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4508.896444][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4508.896444][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4508.896444][ T74] fib6_nh_init+0xa22/0x1580 [ 4508.896444][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4508.896444][ T74] ip6_route_add+0x1c/0x140 [ 4508.896444][ T74] inet6_rtm_newroute+0x104/0x110 [ 4508.896444][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4508.896444][ T74] netlink_rcv_skb+0x130/0x360 [ 4508.896444][ T74] netlink_unicast+0x449/0x710 [ 4508.896444][ T74] netlink_sendmsg+0x723/0xbe0 [ 4508.896444][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4508.896444][ T74] ___sys_sendmsg+0xee/0x170 [ 4508.896444][ T74] __sys_sendmsg+0xcd/0x170 [ 4508.896444][ T74] do_syscall_64+0xc6/0x1e0 [ 4508.896444][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4508.896444][ T74] [ 4508.898401][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4508.898401][ T74] netdev_get_by_index+0x5e/0x80 [ 4508.898401][ T74] fib6_nh_init+0x3d8/0x1580 [ 4508.898401][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4508.898401][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4508.898401][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4508.898401][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4508.898401][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4508.898401][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4508.898401][ T74] addrconf_dad_begin+0x310/0x670 [ 4508.898401][ T74] addrconf_dad_work+0x10b/0xab0 [ 4508.898401][ T74] process_one_work+0x84d/0x18a0 [ 4508.898401][ T74] worker_thread+0x587/0xd30 [ 4508.898401][ T74] kthread+0x28a/0x350 [ 4508.898401][ T74] ret_from_fork+0x31/0x70 [ 4508.898401][ T74] ret_from_fork_asm+0x1a/0x30 [ 4508.898401][ T74] [ 4508.900323][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4508.900323][ T74] netdev_get_by_index+0x5e/0x80 [ 4508.900323][ T74] fib6_nh_init+0x3d8/0x1580 [ 4508.900323][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4508.900323][ T74] ip6_route_add+0x1c/0x140 [ 4508.900323][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4508.900323][ T74] inet6_addr_add+0x4f8/0xa40 [ 4508.900323][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4508.900323][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4508.900323][ T74] netlink_rcv_skb+0x130/0x360 [ 4508.900323][ T74] netlink_unicast+0x449/0x710 [ 4508.900323][ T74] netlink_sendmsg+0x723/0xbe0 [ 4508.900323][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4508.900323][ T74] ___sys_sendmsg+0xee/0x170 [ 4508.900323][ T74] __sys_sendmsg+0xcd/0x170 [ 4508.900323][ T74] do_syscall_64+0xc6/0x1e0 [ 4508.900323][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4508.900323][ T74] [ 4508.902319][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4508.902319][ T74] netdev_get_by_index+0x5e/0x80 [ 4508.902319][ T74] fib6_nh_init+0x3d8/0x1580 [ 4508.902319][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4508.902319][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4508.902319][ T74] ipv6_add_addr+0x411/0x2000 [ 4508.902319][ T74] inet6_addr_add+0x30e/0xa40 [ 4508.902319][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4508.902319][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4508.902319][ T74] netlink_rcv_skb+0x130/0x360 [ 4508.902319][ T74] netlink_unicast+0x449/0x710 [ 4508.902319][ T74] netlink_sendmsg+0x723/0xbe0 [ 4508.902319][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4508.902319][ T74] ___sys_sendmsg+0xee/0x170 [ 4508.902319][ T74] __sys_sendmsg+0xcd/0x170 [ 4508.902319][ T74] do_syscall_64+0xc6/0x1e0 [ 4508.902319][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4508.902319][ T74] [ 4508.904314][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4508.904314][ T74] netdev_get_by_index+0x5e/0x80 [ 4508.904314][ T74] fib6_nh_init+0x3d8/0x1580 [ 4508.904314][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4508.904314][ T74] ip6_route_add+0x1c/0x140 [ 4508.904314][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4508.904314][ T74] addrconf_add_dev+0xe2/0x170 [ 4508.904314][ T74] inet6_addr_add+0x12f/0xa40 [ 4508.904314][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4508.904314][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4508.904314][ T74] netlink_rcv_skb+0x130/0x360 [ 4508.904314][ T74] netlink_unicast+0x449/0x710 [ 4508.904314][ T74] netlink_sendmsg+0x723/0xbe0 [ 4508.904314][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4508.904314][ T74] ___sys_sendmsg+0xee/0x170 [ 4508.904314][ T74] __sys_sendmsg+0xcd/0x170 [ 4508.904314][ T74] do_syscall_64+0xc6/0x1e0 [ 4508.904314][ T74] [ 4508.906274][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4508.906274][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4508.906274][ T74] ipv6_find_idev+0x102/0x170 [ 4508.906274][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4508.906274][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4508.906274][ T74] netlink_rcv_skb+0x130/0x360 [ 4508.906274][ T74] netlink_unicast+0x449/0x710 [ 4508.906274][ T74] netlink_sendmsg+0x723/0xbe0 [ 4508.906274][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4508.906274][ T74] ___sys_sendmsg+0xee/0x170 [ 4508.906274][ T74] __sys_sendmsg+0xcd/0x170 [ 4508.906274][ T74] do_syscall_64+0xc6/0x1e0 [ 4508.906274][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4508.906274][ T74] [ 4508.907813][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4508.907813][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4508.907813][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4508.907813][ T74] ipv6_find_idev+0x102/0x170 [ 4508.907813][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4508.907813][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4508.907813][ T74] netlink_rcv_skb+0x130/0x360 [ 4508.907813][ T74] netlink_unicast+0x449/0x710 [ 4508.907813][ T74] netlink_sendmsg+0x723/0xbe0 [ 4508.907813][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4508.907813][ T74] ___sys_sendmsg+0xee/0x170 [ 4508.907813][ T74] __sys_sendmsg+0xcd/0x170 [ 4508.907813][ T74] do_syscall_64+0xc6/0x1e0 [ 4508.907813][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4508.907813][ T74] [ 4508.909512][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4508.909794][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4508.909794][ T74] dst_init+0x84/0x4a0 [ 4508.909794][ T74] dst_alloc+0x97/0x150 [ 4508.909794][ T74] ip6_dst_alloc+0x23/0x90 [ 4508.909794][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4508.909794][ T74] ip6_pol_route+0x56f/0x840 [ 4508.909794][ T74] fib6_rule_lookup+0x456/0x630 [ 4508.909794][ T74] ip6_route_input+0x59c/0xa50 [ 4508.909794][ T74] ipv6_rcv+0x397/0x810 [ 4508.909794][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4508.909794][ T74] process_backlog+0x101/0x620 [ 4508.909794][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4508.909794][ T74] net_rx_action+0x495/0xbe0 [ 4508.909794][ T74] __do_softirq+0x1b5/0x7f6 [ 4508.909794][ T74] [ 4508.911431][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4508.911431][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4508.911431][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4508.911431][ T74] fib6_nh_init+0xa22/0x1580 [ 4508.911431][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4508.911431][ T74] ip6_route_add+0x1c/0x140 [ 4508.911431][ T74] inet6_rtm_newroute+0x104/0x110 [ 4508.911431][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4508.911431][ T74] netlink_rcv_skb+0x130/0x360 [ 4508.911431][ T74] netlink_unicast+0x449/0x710 [ 4508.911431][ T74] netlink_sendmsg+0x723/0xbe0 [ 4508.911431][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4508.911431][ T74] ___sys_sendmsg+0xee/0x170 [ 4508.911431][ T74] __sys_sendmsg+0xcd/0x170 [ 4508.911431][ T74] do_syscall_64+0xc6/0x1e0 [ 4508.911431][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4508.911431][ T74] [ 4508.913306][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4508.913306][ T74] netdev_get_by_index+0x5e/0x80 [ 4508.913306][ T74] fib6_nh_init+0x3d8/0x1580 [ 4508.913306][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4508.913306][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4508.913306][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4508.913306][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4508.913306][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4508.913306][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4508.913306][ T74] addrconf_dad_begin+0x310/0x670 [ 4508.913306][ T74] addrconf_dad_work+0x10b/0xab0 [ 4508.913306][ T74] process_one_work+0x84d/0x18a0 [ 4508.913306][ T74] worker_thread+0x587/0xd30 [ 4508.913306][ T74] kthread+0x28a/0x350 [ 4508.913306][ T74] ret_from_fork+0x31/0x70 [ 4508.913306][ T74] ret_from_fork_asm+0x1a/0x30 [ 4508.913306][ T74] [ 4508.915214][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4508.915214][ T74] netdev_get_by_index+0x5e/0x80 [ 4508.915214][ T74] fib6_nh_init+0x3d8/0x1580 [ 4508.915214][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4508.915214][ T74] ip6_route_add+0x1c/0x140 [ 4508.915214][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4508.915214][ T74] inet6_addr_add+0x4f8/0xa40 [ 4508.915214][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4508.915214][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4508.915214][ T74] netlink_rcv_skb+0x130/0x360 [ 4508.915214][ T74] netlink_unicast+0x449/0x710 [ 4508.915214][ T74] netlink_sendmsg+0x723/0xbe0 [ 4508.915214][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4508.915214][ T74] ___sys_sendmsg+0xee/0x170 [ 4508.915214][ T74] __sys_sendmsg+0xcd/0x170 [ 4508.915214][ T74] do_syscall_64+0xc6/0x1e0 [ 4508.915214][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4508.915214][ T74] [ 4508.917209][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4508.917209][ T74] netdev_get_by_index+0x5e/0x80 [ 4508.917209][ T74] fib6_nh_init+0x3d8/0x1580 [ 4508.917209][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4508.917209][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4508.917209][ T74] ipv6_add_addr+0x411/0x2000 [ 4508.917209][ T74] inet6_addr_add+0x30e/0xa40 [ 4508.917209][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4508.917209][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4508.917209][ T74] netlink_rcv_skb+0x130/0x360 [ 4508.917209][ T74] netlink_unicast+0x449/0x710 [ 4508.917209][ T74] netlink_sendmsg+0x723/0xbe0 [ 4508.917209][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4508.917209][ T74] ___sys_sendmsg+0xee/0x170 [ 4508.917209][ T74] __sys_sendmsg+0xcd/0x170 [ 4508.917209][ T74] do_syscall_64+0xc6/0x1e0 [ 4508.917209][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4508.917209][ T74] [ 4508.919215][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4508.919215][ T74] netdev_get_by_index+0x5e/0x80 [ 4508.919215][ T74] fib6_nh_init+0x3d8/0x1580 [ 4508.919215][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4508.919215][ T74] ip6_route_add+0x1c/0x140 [ 4508.919215][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4508.919215][ T74] addrconf_add_dev+0xe2/0x170 [ 4508.919215][ T74] inet6_addr_add+0x12f/0xa40 [ 4508.919215][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4508.919215][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4508.919215][ T74] netlink_rcv_skb+0x130/0x360 [ 4508.919215][ T74] netlink_unicast+0x449/0x710 [ 4508.919215][ T74] netlink_sendmsg+0x723/0xbe0 [ 4508.919215][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4508.919215][ T74] ___sys_sendmsg+0xee/0x170 [ 4508.919215][ T74] __sys_sendmsg+0xcd/0x170 [ 4508.919215][ T74] do_syscall_64+0xc6/0x1e0 [ 4508.919215][ T74] [ 4508.921171][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4508.921171][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4508.921171][ T74] ipv6_find_idev+0x102/0x170 [ 4508.921171][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4508.921171][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4508.921171][ T74] netlink_rcv_skb+0x130/0x360 [ 4508.921171][ T74] netlink_unicast+0x449/0x710 [ 4508.921171][ T74] netlink_sendmsg+0x723/0xbe0 [ 4508.921171][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4508.921171][ T74] ___sys_sendmsg+0xee/0x170 [ 4508.921171][ T74] __sys_sendmsg+0xcd/0x170 [ 4508.921171][ T74] do_syscall_64+0xc6/0x1e0 [ 4508.921171][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4508.921171][ T74] [ 4508.922929][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4508.922929][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4508.922929][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4508.922929][ T74] ipv6_find_idev+0x102/0x170 [ 4508.922929][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4508.922929][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4508.922929][ T74] netlink_rcv_skb+0x130/0x360 [ 4508.922929][ T74] netlink_unicast+0x449/0x710 [ 4508.922929][ T74] netlink_sendmsg+0x723/0xbe0 [ 4508.922929][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4508.922929][ T74] ___sys_sendmsg+0xee/0x170 [ 4508.922929][ T74] __sys_sendmsg+0xcd/0x170 [ 4508.922929][ T74] do_syscall_64+0xc6/0x1e0 [ 4508.922929][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4508.922929][ T74] [ 4508.924872][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4508.925112][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4508.925112][ T74] netdev_get_by_index+0x5e/0x80 [ 4508.925112][ T74] fib6_nh_init+0x3d8/0x1580 [ 4508.925112][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4508.925112][ T74] ip6_route_add+0x1c/0x140 [ 4508.925112][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4508.925112][ T74] inet6_addr_add+0x4f8/0xa40 [ 4508.925112][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4508.925112][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4508.925112][ T74] netlink_rcv_skb+0x130/0x360 [ 4508.925112][ T74] netlink_unicast+0x449/0x710 [ 4508.925112][ T74] netlink_sendmsg+0x723/0xbe0 [ 4508.925112][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4508.925112][ T74] ___sys_sendmsg+0xee/0x170 [ 4508.925112][ T74] __sys_sendmsg+0xcd/0x170 [ 4508.925112][ T74] do_syscall_64+0xc6/0x1e0 [ 4508.925112][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4508.925112][ T74] [ 4508.927356][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4508.927356][ T74] netdev_get_by_index+0x5e/0x80 [ 4508.927356][ T74] fib6_nh_init+0x3d8/0x1580 [ 4508.927356][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4508.927356][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4508.927356][ T74] ipv6_add_addr+0x411/0x2000 [ 4508.927356][ T74] inet6_addr_add+0x30e/0xa40 [ 4508.927356][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4508.927356][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4508.927356][ T74] netlink_rcv_skb+0x130/0x360 [ 4508.927356][ T74] netlink_unicast+0x449/0x710 [ 4508.927356][ T74] netlink_sendmsg+0x723/0xbe0 [ 4508.927356][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4508.927356][ T74] ___sys_sendmsg+0xee/0x170 [ 4508.927356][ T74] __sys_sendmsg+0xcd/0x170 [ 4508.927356][ T74] do_syscall_64+0xc6/0x1e0 [ 4508.927356][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4508.927356][ T74] [ 4508.929617][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4508.929617][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4508.929617][ T74] ipv6_find_idev+0x102/0x170 [ 4508.929617][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4508.929617][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4508.929617][ T74] netlink_rcv_skb+0x130/0x360 [ 4508.929617][ T74] netlink_unicast+0x449/0x710 [ 4508.929617][ T74] netlink_sendmsg+0x723/0xbe0 [ 4508.929617][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4508.929617][ T74] ___sys_sendmsg+0xee/0x170 [ 4508.929617][ T74] __sys_sendmsg+0xcd/0x170 [ 4508.929617][ T74] do_syscall_64+0xc6/0x1e0 [ 4508.929617][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4508.929617][ T74] [ 4508.931283][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4508.931283][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4508.931283][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4508.931283][ T74] ipv6_find_idev+0x102/0x170 [ 4508.931283][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4508.931283][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4508.931283][ T74] netlink_rcv_skb+0x130/0x360 [ 4508.931283][ T74] netlink_unicast+0x449/0x710 [ 4508.931283][ T74] netlink_sendmsg+0x723/0xbe0 [ 4508.931283][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4508.931283][ T74] ___sys_sendmsg+0xee/0x170 [ 4508.931283][ T74] __sys_sendmsg+0xcd/0x170 [ 4508.931283][ T74] do_syscall_64+0xc6/0x1e0 [ 4508.931283][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4508.931283][ T74] [ 4519.175974][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4519.176452][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4519.176452][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4519.176452][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4519.176452][ T74] fib6_nh_init+0xa22/0x1580 [ 4519.176452][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4519.176452][ T74] ip6_route_add+0x1c/0x140 [ 4519.176452][ T74] inet6_rtm_newroute+0x104/0x110 [ 4519.176452][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4519.176452][ T74] netlink_rcv_skb+0x130/0x360 [ 4519.176452][ T74] netlink_unicast+0x449/0x710 [ 4519.176452][ T74] netlink_sendmsg+0x723/0xbe0 [ 4519.176452][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4519.176452][ T74] ___sys_sendmsg+0xee/0x170 [ 4519.176452][ T74] __sys_sendmsg+0xcd/0x170 [ 4519.176452][ T74] do_syscall_64+0xc6/0x1e0 [ 4519.176452][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4519.176452][ T74] [ 4519.178387][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4519.178387][ T74] netdev_get_by_index+0x5e/0x80 [ 4519.178387][ T74] fib6_nh_init+0x3d8/0x1580 [ 4519.178387][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4519.178387][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4519.178387][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4519.178387][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4519.178387][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4519.178387][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4519.178387][ T74] addrconf_dad_begin+0x310/0x670 [ 4519.178387][ T74] addrconf_dad_work+0x10b/0xab0 [ 4519.178387][ T74] process_one_work+0x84d/0x18a0 [ 4519.178387][ T74] worker_thread+0x587/0xd30 [ 4519.178387][ T74] kthread+0x28a/0x350 [ 4519.178387][ T74] ret_from_fork+0x31/0x70 [ 4519.178387][ T74] ret_from_fork_asm+0x1a/0x30 [ 4519.178387][ T74] [ 4519.180314][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4519.180314][ T74] netdev_get_by_index+0x5e/0x80 [ 4519.180314][ T74] fib6_nh_init+0x3d8/0x1580 [ 4519.180314][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4519.180314][ T74] ip6_route_add+0x1c/0x140 [ 4519.180314][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4519.180314][ T74] inet6_addr_add+0x4f8/0xa40 [ 4519.180314][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4519.180314][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4519.180314][ T74] netlink_rcv_skb+0x130/0x360 [ 4519.180314][ T74] netlink_unicast+0x449/0x710 [ 4519.180314][ T74] netlink_sendmsg+0x723/0xbe0 [ 4519.180314][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4519.180314][ T74] ___sys_sendmsg+0xee/0x170 [ 4519.180314][ T74] __sys_sendmsg+0xcd/0x170 [ 4519.180314][ T74] do_syscall_64+0xc6/0x1e0 [ 4519.180314][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4519.180314][ T74] [ 4519.182338][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4519.182338][ T74] netdev_get_by_index+0x5e/0x80 [ 4519.182338][ T74] fib6_nh_init+0x3d8/0x1580 [ 4519.182338][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4519.182338][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4519.182338][ T74] ipv6_add_addr+0x411/0x2000 [ 4519.182338][ T74] inet6_addr_add+0x30e/0xa40 [ 4519.182338][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4519.182338][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4519.182338][ T74] netlink_rcv_skb+0x130/0x360 [ 4519.182338][ T74] netlink_unicast+0x449/0x710 [ 4519.182338][ T74] netlink_sendmsg+0x723/0xbe0 [ 4519.182338][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4519.182338][ T74] ___sys_sendmsg+0xee/0x170 [ 4519.182338][ T74] __sys_sendmsg+0xcd/0x170 [ 4519.182338][ T74] do_syscall_64+0xc6/0x1e0 [ 4519.182338][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4519.182338][ T74] [ 4519.184370][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4519.184370][ T74] netdev_get_by_index+0x5e/0x80 [ 4519.184370][ T74] fib6_nh_init+0x3d8/0x1580 [ 4519.184370][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4519.184370][ T74] ip6_route_add+0x1c/0x140 [ 4519.184370][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4519.184370][ T74] addrconf_add_dev+0xe2/0x170 [ 4519.184370][ T74] inet6_addr_add+0x12f/0xa40 [ 4519.184370][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4519.184370][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4519.184370][ T74] netlink_rcv_skb+0x130/0x360 [ 4519.184370][ T74] netlink_unicast+0x449/0x710 [ 4519.184370][ T74] netlink_sendmsg+0x723/0xbe0 [ 4519.184370][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4519.184370][ T74] ___sys_sendmsg+0xee/0x170 [ 4519.184370][ T74] __sys_sendmsg+0xcd/0x170 [ 4519.184370][ T74] do_syscall_64+0xc6/0x1e0 [ 4519.184370][ T74] [ 4519.186349][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4519.186349][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4519.186349][ T74] ipv6_find_idev+0x102/0x170 [ 4519.186349][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4519.186349][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4519.186349][ T74] netlink_rcv_skb+0x130/0x360 [ 4519.186349][ T74] netlink_unicast+0x449/0x710 [ 4519.186349][ T74] netlink_sendmsg+0x723/0xbe0 [ 4519.186349][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4519.186349][ T74] ___sys_sendmsg+0xee/0x170 [ 4519.186349][ T74] __sys_sendmsg+0xcd/0x170 [ 4519.186349][ T74] do_syscall_64+0xc6/0x1e0 [ 4519.186349][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4519.186349][ T74] [ 4519.187917][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4519.187917][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4519.187917][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4519.187917][ T74] ipv6_find_idev+0x102/0x170 [ 4519.187917][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4519.187917][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4519.187917][ T74] netlink_rcv_skb+0x130/0x360 [ 4519.187917][ T74] netlink_unicast+0x449/0x710 [ 4519.187917][ T74] netlink_sendmsg+0x723/0xbe0 [ 4519.187917][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4519.187917][ T74] ___sys_sendmsg+0xee/0x170 [ 4519.187917][ T74] __sys_sendmsg+0xcd/0x170 [ 4519.187917][ T74] do_syscall_64+0xc6/0x1e0 [ 4519.187917][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4519.187917][ T74] [ 4519.189717][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4519.190020][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4519.190020][ T74] dst_init+0x84/0x4a0 [ 4519.190020][ T74] dst_alloc+0x97/0x150 [ 4519.190020][ T74] ip6_dst_alloc+0x23/0x90 [ 4519.190020][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4519.190020][ T74] ip6_pol_route+0x56f/0x840 [ 4519.190020][ T74] fib6_rule_lookup+0x456/0x630 [ 4519.190020][ T74] ip6_route_input+0x59c/0xa50 [ 4519.190020][ T74] ipv6_rcv+0x397/0x810 [ 4519.190020][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4519.190020][ T74] process_backlog+0x101/0x620 [ 4519.190020][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4519.190020][ T74] net_rx_action+0x495/0xbe0 [ 4519.190020][ T74] __do_softirq+0x1b5/0x7f6 [ 4519.190020][ T74] [ 4519.191671][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4519.191671][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4519.191671][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4519.191671][ T74] fib6_nh_init+0xa22/0x1580 [ 4519.191671][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4519.191671][ T74] ip6_route_add+0x1c/0x140 [ 4519.191671][ T74] inet6_rtm_newroute+0x104/0x110 [ 4519.191671][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4519.191671][ T74] netlink_rcv_skb+0x130/0x360 [ 4519.191671][ T74] netlink_unicast+0x449/0x710 [ 4519.191671][ T74] netlink_sendmsg+0x723/0xbe0 [ 4519.191671][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4519.191671][ T74] ___sys_sendmsg+0xee/0x170 [ 4519.191671][ T74] __sys_sendmsg+0xcd/0x170 [ 4519.191671][ T74] do_syscall_64+0xc6/0x1e0 [ 4519.191671][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4519.191671][ T74] [ 4519.193560][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4519.193560][ T74] netdev_get_by_index+0x5e/0x80 [ 4519.193560][ T74] fib6_nh_init+0x3d8/0x1580 [ 4519.193560][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4519.193560][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4519.193560][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4519.193560][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4519.193560][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4519.193560][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4519.193560][ T74] addrconf_dad_begin+0x310/0x670 [ 4519.193560][ T74] addrconf_dad_work+0x10b/0xab0 [ 4519.193560][ T74] process_one_work+0x84d/0x18a0 [ 4519.193560][ T74] worker_thread+0x587/0xd30 [ 4519.193560][ T74] kthread+0x28a/0x350 [ 4519.193560][ T74] ret_from_fork+0x31/0x70 [ 4519.193560][ T74] ret_from_fork_asm+0x1a/0x30 [ 4519.193560][ T74] [ 4519.195492][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4519.195492][ T74] netdev_get_by_index+0x5e/0x80 [ 4519.195492][ T74] fib6_nh_init+0x3d8/0x1580 [ 4519.195492][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4519.195492][ T74] ip6_route_add+0x1c/0x140 [ 4519.195492][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4519.195492][ T74] inet6_addr_add+0x4f8/0xa40 [ 4519.195492][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4519.195492][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4519.195492][ T74] netlink_rcv_skb+0x130/0x360 [ 4519.195492][ T74] netlink_unicast+0x449/0x710 [ 4519.195492][ T74] netlink_sendmsg+0x723/0xbe0 [ 4519.195492][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4519.195492][ T74] ___sys_sendmsg+0xee/0x170 [ 4519.195492][ T74] __sys_sendmsg+0xcd/0x170 [ 4519.195492][ T74] do_syscall_64+0xc6/0x1e0 [ 4519.195492][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4519.195492][ T74] [ 4519.197515][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4519.197515][ T74] netdev_get_by_index+0x5e/0x80 [ 4519.197515][ T74] fib6_nh_init+0x3d8/0x1580 [ 4519.197515][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4519.197515][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4519.197515][ T74] ipv6_add_addr+0x411/0x2000 [ 4519.197515][ T74] inet6_addr_add+0x30e/0xa40 [ 4519.197515][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4519.197515][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4519.197515][ T74] netlink_rcv_skb+0x130/0x360 [ 4519.197515][ T74] netlink_unicast+0x449/0x710 [ 4519.197515][ T74] netlink_sendmsg+0x723/0xbe0 [ 4519.197515][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4519.197515][ T74] ___sys_sendmsg+0xee/0x170 [ 4519.197515][ T74] __sys_sendmsg+0xcd/0x170 [ 4519.197515][ T74] do_syscall_64+0xc6/0x1e0 [ 4519.197515][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4519.197515][ T74] [ 4519.199527][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4519.199527][ T74] netdev_get_by_index+0x5e/0x80 [ 4519.199527][ T74] fib6_nh_init+0x3d8/0x1580 [ 4519.199527][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4519.199527][ T74] ip6_route_add+0x1c/0x140 [ 4519.199527][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4519.199527][ T74] addrconf_add_dev+0xe2/0x170 [ 4519.199527][ T74] inet6_addr_add+0x12f/0xa40 [ 4519.199527][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4519.199527][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4519.199527][ T74] netlink_rcv_skb+0x130/0x360 [ 4519.199527][ T74] netlink_unicast+0x449/0x710 [ 4519.199527][ T74] netlink_sendmsg+0x723/0xbe0 [ 4519.199527][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4519.199527][ T74] ___sys_sendmsg+0xee/0x170 [ 4519.199527][ T74] __sys_sendmsg+0xcd/0x170 [ 4519.199527][ T74] do_syscall_64+0xc6/0x1e0 [ 4519.199527][ T74] [ 4519.201500][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4519.201500][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4519.201500][ T74] ipv6_find_idev+0x102/0x170 [ 4519.201500][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4519.201500][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4519.201500][ T74] netlink_rcv_skb+0x130/0x360 [ 4519.201500][ T74] netlink_unicast+0x449/0x710 [ 4519.201500][ T74] netlink_sendmsg+0x723/0xbe0 [ 4519.201500][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4519.201500][ T74] ___sys_sendmsg+0xee/0x170 [ 4519.201500][ T74] __sys_sendmsg+0xcd/0x170 [ 4519.201500][ T74] do_syscall_64+0xc6/0x1e0 [ 4519.201500][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4519.201500][ T74] [ 4519.203131][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4519.203131][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4519.203131][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4519.203131][ T74] ipv6_find_idev+0x102/0x170 [ 4519.203131][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4519.203131][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4519.203131][ T74] netlink_rcv_skb+0x130/0x360 [ 4519.203131][ T74] netlink_unicast+0x449/0x710 [ 4519.203131][ T74] netlink_sendmsg+0x723/0xbe0 [ 4519.203131][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4519.203131][ T74] ___sys_sendmsg+0xee/0x170 [ 4519.203131][ T74] __sys_sendmsg+0xcd/0x170 [ 4519.203131][ T74] do_syscall_64+0xc6/0x1e0 [ 4519.203131][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4519.203131][ T74] [ 4519.204879][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4519.205148][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4519.205148][ T74] netdev_get_by_index+0x5e/0x80 [ 4519.205148][ T74] fib6_nh_init+0x3d8/0x1580 [ 4519.205148][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4519.205148][ T74] ip6_route_add+0x1c/0x140 [ 4519.205148][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4519.205148][ T74] inet6_addr_add+0x4f8/0xa40 [ 4519.205148][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4519.205148][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4519.205148][ T74] netlink_rcv_skb+0x130/0x360 [ 4519.205148][ T74] netlink_unicast+0x449/0x710 [ 4519.205148][ T74] netlink_sendmsg+0x723/0xbe0 [ 4519.205148][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4519.205148][ T74] ___sys_sendmsg+0xee/0x170 [ 4519.205148][ T74] __sys_sendmsg+0xcd/0x170 [ 4519.205148][ T74] do_syscall_64+0xc6/0x1e0 [ 4519.205148][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4519.205148][ T74] [ 4519.207220][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4519.207220][ T74] netdev_get_by_index+0x5e/0x80 [ 4519.207220][ T74] fib6_nh_init+0x3d8/0x1580 [ 4519.207220][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4519.207220][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4519.207220][ T74] ipv6_add_addr+0x411/0x2000 [ 4519.207220][ T74] inet6_addr_add+0x30e/0xa40 [ 4519.207220][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4519.207220][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4519.207220][ T74] netlink_rcv_skb+0x130/0x360 [ 4519.207220][ T74] netlink_unicast+0x449/0x710 [ 4519.207220][ T74] netlink_sendmsg+0x723/0xbe0 [ 4519.207220][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4519.207220][ T74] ___sys_sendmsg+0xee/0x170 [ 4519.207220][ T74] __sys_sendmsg+0xcd/0x170 [ 4519.207220][ T74] do_syscall_64+0xc6/0x1e0 [ 4519.207220][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4519.207220][ T74] [ 4519.209295][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4519.209295][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4519.209295][ T74] ipv6_find_idev+0x102/0x170 [ 4519.209295][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4519.209295][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4519.209295][ T74] netlink_rcv_skb+0x130/0x360 [ 4519.209295][ T74] netlink_unicast+0x449/0x710 [ 4519.209295][ T74] netlink_sendmsg+0x723/0xbe0 [ 4519.209295][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4519.209295][ T74] ___sys_sendmsg+0xee/0x170 [ 4519.209295][ T74] __sys_sendmsg+0xcd/0x170 [ 4519.209295][ T74] do_syscall_64+0xc6/0x1e0 [ 4519.209295][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4519.209295][ T74] [ 4519.210975][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4519.210975][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4519.210975][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4519.210975][ T74] ipv6_find_idev+0x102/0x170 [ 4519.210975][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4519.210975][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4519.210975][ T74] netlink_rcv_skb+0x130/0x360 [ 4519.210975][ T74] netlink_unicast+0x449/0x710 [ 4519.210975][ T74] netlink_sendmsg+0x723/0xbe0 [ 4519.210975][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4519.210975][ T74] ___sys_sendmsg+0xee/0x170 [ 4519.210975][ T74] __sys_sendmsg+0xcd/0x170 [ 4519.210975][ T74] do_syscall_64+0xc6/0x1e0 [ 4519.210975][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4519.210975][ T74] [ 4529.455924][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4529.456362][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4529.456362][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4529.456362][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4529.456362][ T74] fib6_nh_init+0xa22/0x1580 [ 4529.456362][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4529.456362][ T74] ip6_route_add+0x1c/0x140 [ 4529.456362][ T74] inet6_rtm_newroute+0x104/0x110 [ 4529.456362][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4529.456362][ T74] netlink_rcv_skb+0x130/0x360 [ 4529.456362][ T74] netlink_unicast+0x449/0x710 [ 4529.456362][ T74] netlink_sendmsg+0x723/0xbe0 [ 4529.456362][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4529.456362][ T74] ___sys_sendmsg+0xee/0x170 [ 4529.456362][ T74] __sys_sendmsg+0xcd/0x170 [ 4529.456362][ T74] do_syscall_64+0xc6/0x1e0 [ 4529.456362][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4529.456362][ T74] [ 4529.458292][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4529.458292][ T74] netdev_get_by_index+0x5e/0x80 [ 4529.458292][ T74] fib6_nh_init+0x3d8/0x1580 [ 4529.458292][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4529.458292][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4529.458292][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4529.458292][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4529.458292][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4529.458292][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4529.458292][ T74] addrconf_dad_begin+0x310/0x670 [ 4529.458292][ T74] addrconf_dad_work+0x10b/0xab0 [ 4529.458292][ T74] process_one_work+0x84d/0x18a0 [ 4529.458292][ T74] worker_thread+0x587/0xd30 [ 4529.458292][ T74] kthread+0x28a/0x350 [ 4529.458292][ T74] ret_from_fork+0x31/0x70 [ 4529.458292][ T74] ret_from_fork_asm+0x1a/0x30 [ 4529.458292][ T74] [ 4529.460204][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4529.460204][ T74] netdev_get_by_index+0x5e/0x80 [ 4529.460204][ T74] fib6_nh_init+0x3d8/0x1580 [ 4529.460204][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4529.460204][ T74] ip6_route_add+0x1c/0x140 [ 4529.460204][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4529.460204][ T74] inet6_addr_add+0x4f8/0xa40 [ 4529.460204][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4529.460204][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4529.460204][ T74] netlink_rcv_skb+0x130/0x360 [ 4529.460204][ T74] netlink_unicast+0x449/0x710 [ 4529.460204][ T74] netlink_sendmsg+0x723/0xbe0 [ 4529.460204][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4529.460204][ T74] ___sys_sendmsg+0xee/0x170 [ 4529.460204][ T74] __sys_sendmsg+0xcd/0x170 [ 4529.460204][ T74] do_syscall_64+0xc6/0x1e0 [ 4529.460204][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4529.460204][ T74] [ 4529.462209][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4529.462209][ T74] netdev_get_by_index+0x5e/0x80 [ 4529.462209][ T74] fib6_nh_init+0x3d8/0x1580 [ 4529.462209][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4529.462209][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4529.462209][ T74] ipv6_add_addr+0x411/0x2000 [ 4529.462209][ T74] inet6_addr_add+0x30e/0xa40 [ 4529.462209][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4529.462209][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4529.462209][ T74] netlink_rcv_skb+0x130/0x360 [ 4529.462209][ T74] netlink_unicast+0x449/0x710 [ 4529.462209][ T74] netlink_sendmsg+0x723/0xbe0 [ 4529.462209][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4529.462209][ T74] ___sys_sendmsg+0xee/0x170 [ 4529.462209][ T74] __sys_sendmsg+0xcd/0x170 [ 4529.462209][ T74] do_syscall_64+0xc6/0x1e0 [ 4529.462209][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4529.462209][ T74] [ 4529.464226][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4529.464226][ T74] netdev_get_by_index+0x5e/0x80 [ 4529.464226][ T74] fib6_nh_init+0x3d8/0x1580 [ 4529.464226][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4529.464226][ T74] ip6_route_add+0x1c/0x140 [ 4529.464226][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4529.464226][ T74] addrconf_add_dev+0xe2/0x170 [ 4529.464226][ T74] inet6_addr_add+0x12f/0xa40 [ 4529.464226][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4529.464226][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4529.464226][ T74] netlink_rcv_skb+0x130/0x360 [ 4529.464226][ T74] netlink_unicast+0x449/0x710 [ 4529.464226][ T74] netlink_sendmsg+0x723/0xbe0 [ 4529.464226][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4529.464226][ T74] ___sys_sendmsg+0xee/0x170 [ 4529.464226][ T74] __sys_sendmsg+0xcd/0x170 [ 4529.464226][ T74] do_syscall_64+0xc6/0x1e0 [ 4529.464226][ T74] [ 4529.466334][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4529.466334][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4529.466334][ T74] ipv6_find_idev+0x102/0x170 [ 4529.466334][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4529.466334][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4529.466334][ T74] netlink_rcv_skb+0x130/0x360 [ 4529.466334][ T74] netlink_unicast+0x449/0x710 [ 4529.466334][ T74] netlink_sendmsg+0x723/0xbe0 [ 4529.466334][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4529.466334][ T74] ___sys_sendmsg+0xee/0x170 [ 4529.466334][ T74] __sys_sendmsg+0xcd/0x170 [ 4529.466334][ T74] do_syscall_64+0xc6/0x1e0 [ 4529.466334][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4529.466334][ T74] [ 4529.467888][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4529.467888][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4529.467888][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4529.467888][ T74] ipv6_find_idev+0x102/0x170 [ 4529.467888][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4529.467888][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4529.467888][ T74] netlink_rcv_skb+0x130/0x360 [ 4529.467888][ T74] netlink_unicast+0x449/0x710 [ 4529.467888][ T74] netlink_sendmsg+0x723/0xbe0 [ 4529.467888][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4529.467888][ T74] ___sys_sendmsg+0xee/0x170 [ 4529.467888][ T74] __sys_sendmsg+0xcd/0x170 [ 4529.467888][ T74] do_syscall_64+0xc6/0x1e0 [ 4529.467888][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4529.467888][ T74] [ 4529.469585][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4529.469872][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4529.469872][ T74] dst_init+0x84/0x4a0 [ 4529.469872][ T74] dst_alloc+0x97/0x150 [ 4529.469872][ T74] ip6_dst_alloc+0x23/0x90 [ 4529.469872][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4529.469872][ T74] ip6_pol_route+0x56f/0x840 [ 4529.469872][ T74] fib6_rule_lookup+0x456/0x630 [ 4529.469872][ T74] ip6_route_input+0x59c/0xa50 [ 4529.469872][ T74] ipv6_rcv+0x397/0x810 [ 4529.469872][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4529.469872][ T74] process_backlog+0x101/0x620 [ 4529.469872][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4529.469872][ T74] net_rx_action+0x495/0xbe0 [ 4529.469872][ T74] __do_softirq+0x1b5/0x7f6 [ 4529.469872][ T74] [ 4529.471511][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4529.471511][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4529.471511][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4529.471511][ T74] fib6_nh_init+0xa22/0x1580 [ 4529.471511][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4529.471511][ T74] ip6_route_add+0x1c/0x140 [ 4529.471511][ T74] inet6_rtm_newroute+0x104/0x110 [ 4529.471511][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4529.471511][ T74] netlink_rcv_skb+0x130/0x360 [ 4529.471511][ T74] netlink_unicast+0x449/0x710 [ 4529.471511][ T74] netlink_sendmsg+0x723/0xbe0 [ 4529.471511][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4529.471511][ T74] ___sys_sendmsg+0xee/0x170 [ 4529.471511][ T74] __sys_sendmsg+0xcd/0x170 [ 4529.471511][ T74] do_syscall_64+0xc6/0x1e0 [ 4529.471511][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4529.471511][ T74] [ 4529.473383][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4529.473383][ T74] netdev_get_by_index+0x5e/0x80 [ 4529.473383][ T74] fib6_nh_init+0x3d8/0x1580 [ 4529.473383][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4529.473383][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4529.473383][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4529.473383][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4529.473383][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4529.473383][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4529.473383][ T74] addrconf_dad_begin+0x310/0x670 [ 4529.473383][ T74] addrconf_dad_work+0x10b/0xab0 [ 4529.473383][ T74] process_one_work+0x84d/0x18a0 [ 4529.473383][ T74] worker_thread+0x587/0xd30 [ 4529.473383][ T74] kthread+0x28a/0x350 [ 4529.473383][ T74] ret_from_fork+0x31/0x70 [ 4529.473383][ T74] ret_from_fork_asm+0x1a/0x30 [ 4529.473383][ T74] [ 4529.475336][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4529.475336][ T74] netdev_get_by_index+0x5e/0x80 [ 4529.475336][ T74] fib6_nh_init+0x3d8/0x1580 [ 4529.475336][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4529.475336][ T74] ip6_route_add+0x1c/0x140 [ 4529.475336][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4529.475336][ T74] inet6_addr_add+0x4f8/0xa40 [ 4529.475336][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4529.475336][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4529.475336][ T74] netlink_rcv_skb+0x130/0x360 [ 4529.475336][ T74] netlink_unicast+0x449/0x710 [ 4529.475336][ T74] netlink_sendmsg+0x723/0xbe0 [ 4529.475336][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4529.475336][ T74] ___sys_sendmsg+0xee/0x170 [ 4529.475336][ T74] __sys_sendmsg+0xcd/0x170 [ 4529.475336][ T74] do_syscall_64+0xc6/0x1e0 [ 4529.475336][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4529.475336][ T74] [ 4529.477360][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4529.477360][ T74] netdev_get_by_index+0x5e/0x80 [ 4529.477360][ T74] fib6_nh_init+0x3d8/0x1580 [ 4529.477360][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4529.477360][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4529.477360][ T74] ipv6_add_addr+0x411/0x2000 [ 4529.477360][ T74] inet6_addr_add+0x30e/0xa40 [ 4529.477360][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4529.477360][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4529.477360][ T74] netlink_rcv_skb+0x130/0x360 [ 4529.477360][ T74] netlink_unicast+0x449/0x710 [ 4529.477360][ T74] netlink_sendmsg+0x723/0xbe0 [ 4529.477360][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4529.477360][ T74] ___sys_sendmsg+0xee/0x170 [ 4529.477360][ T74] __sys_sendmsg+0xcd/0x170 [ 4529.477360][ T74] do_syscall_64+0xc6/0x1e0 [ 4529.477360][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4529.477360][ T74] [ 4529.479371][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4529.479371][ T74] netdev_get_by_index+0x5e/0x80 [ 4529.479371][ T74] fib6_nh_init+0x3d8/0x1580 [ 4529.479371][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4529.479371][ T74] ip6_route_add+0x1c/0x140 [ 4529.479371][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4529.479371][ T74] addrconf_add_dev+0xe2/0x170 [ 4529.479371][ T74] inet6_addr_add+0x12f/0xa40 [ 4529.479371][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4529.479371][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4529.479371][ T74] netlink_rcv_skb+0x130/0x360 [ 4529.479371][ T74] netlink_unicast+0x449/0x710 [ 4529.479371][ T74] netlink_sendmsg+0x723/0xbe0 [ 4529.479371][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4529.479371][ T74] ___sys_sendmsg+0xee/0x170 [ 4529.479371][ T74] __sys_sendmsg+0xcd/0x170 [ 4529.479371][ T74] do_syscall_64+0xc6/0x1e0 [ 4529.479371][ T74] [ 4529.481340][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4529.481340][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4529.481340][ T74] ipv6_find_idev+0x102/0x170 [ 4529.481340][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4529.481340][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4529.481340][ T74] netlink_rcv_skb+0x130/0x360 [ 4529.481340][ T74] netlink_unicast+0x449/0x710 [ 4529.481340][ T74] netlink_sendmsg+0x723/0xbe0 [ 4529.481340][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4529.481340][ T74] ___sys_sendmsg+0xee/0x170 [ 4529.481340][ T74] __sys_sendmsg+0xcd/0x170 [ 4529.481340][ T74] do_syscall_64+0xc6/0x1e0 [ 4529.481340][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4529.481340][ T74] [ 4529.483019][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4529.483019][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4529.483019][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4529.483019][ T74] ipv6_find_idev+0x102/0x170 [ 4529.483019][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4529.483019][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4529.483019][ T74] netlink_rcv_skb+0x130/0x360 [ 4529.483019][ T74] netlink_unicast+0x449/0x710 [ 4529.483019][ T74] netlink_sendmsg+0x723/0xbe0 [ 4529.483019][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4529.483019][ T74] ___sys_sendmsg+0xee/0x170 [ 4529.483019][ T74] __sys_sendmsg+0xcd/0x170 [ 4529.483019][ T74] do_syscall_64+0xc6/0x1e0 [ 4529.483019][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4529.483019][ T74] [ 4529.484993][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4529.485236][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4529.485236][ T74] netdev_get_by_index+0x5e/0x80 [ 4529.485236][ T74] fib6_nh_init+0x3d8/0x1580 [ 4529.485236][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4529.485236][ T74] ip6_route_add+0x1c/0x140 [ 4529.485236][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4529.485236][ T74] inet6_addr_add+0x4f8/0xa40 [ 4529.485236][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4529.485236][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4529.485236][ T74] netlink_rcv_skb+0x130/0x360 [ 4529.485236][ T74] netlink_unicast+0x449/0x710 [ 4529.485236][ T74] netlink_sendmsg+0x723/0xbe0 [ 4529.485236][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4529.485236][ T74] ___sys_sendmsg+0xee/0x170 [ 4529.485236][ T74] __sys_sendmsg+0xcd/0x170 [ 4529.485236][ T74] do_syscall_64+0xc6/0x1e0 [ 4529.485236][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4529.485236][ T74] [ 4529.487487][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4529.487487][ T74] netdev_get_by_index+0x5e/0x80 [ 4529.487487][ T74] fib6_nh_init+0x3d8/0x1580 [ 4529.487487][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4529.487487][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4529.487487][ T74] ipv6_add_addr+0x411/0x2000 [ 4529.487487][ T74] inet6_addr_add+0x30e/0xa40 [ 4529.487487][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4529.487487][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4529.487487][ T74] netlink_rcv_skb+0x130/0x360 [ 4529.487487][ T74] netlink_unicast+0x449/0x710 [ 4529.487487][ T74] netlink_sendmsg+0x723/0xbe0 [ 4529.487487][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4529.487487][ T74] ___sys_sendmsg+0xee/0x170 [ 4529.487487][ T74] __sys_sendmsg+0xcd/0x170 [ 4529.487487][ T74] do_syscall_64+0xc6/0x1e0 [ 4529.487487][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4529.487487][ T74] [ 4529.489714][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4529.489714][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4529.489714][ T74] ipv6_find_idev+0x102/0x170 [ 4529.489714][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4529.489714][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4529.489714][ T74] netlink_rcv_skb+0x130/0x360 [ 4529.489714][ T74] netlink_unicast+0x449/0x710 [ 4529.489714][ T74] netlink_sendmsg+0x723/0xbe0 [ 4529.489714][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4529.489714][ T74] ___sys_sendmsg+0xee/0x170 [ 4529.489714][ T74] __sys_sendmsg+0xcd/0x170 [ 4529.489714][ T74] do_syscall_64+0xc6/0x1e0 [ 4529.489714][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4529.489714][ T74] [ 4529.491377][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4529.491377][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4529.491377][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4529.491377][ T74] ipv6_find_idev+0x102/0x170 [ 4529.491377][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4529.491377][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4529.491377][ T74] netlink_rcv_skb+0x130/0x360 [ 4529.491377][ T74] netlink_unicast+0x449/0x710 [ 4529.491377][ T74] netlink_sendmsg+0x723/0xbe0 [ 4529.491377][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4529.491377][ T74] ___sys_sendmsg+0xee/0x170 [ 4529.491377][ T74] __sys_sendmsg+0xcd/0x170 [ 4529.491377][ T74] do_syscall_64+0xc6/0x1e0 [ 4529.491377][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4529.491377][ T74] [ 4539.736008][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4539.736466][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4539.736466][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4539.736466][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4539.736466][ T74] fib6_nh_init+0xa22/0x1580 [ 4539.736466][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4539.736466][ T74] ip6_route_add+0x1c/0x140 [ 4539.736466][ T74] inet6_rtm_newroute+0x104/0x110 [ 4539.736466][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4539.736466][ T74] netlink_rcv_skb+0x130/0x360 [ 4539.736466][ T74] netlink_unicast+0x449/0x710 [ 4539.736466][ T74] netlink_sendmsg+0x723/0xbe0 [ 4539.736466][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4539.736466][ T74] ___sys_sendmsg+0xee/0x170 [ 4539.736466][ T74] __sys_sendmsg+0xcd/0x170 [ 4539.736466][ T74] do_syscall_64+0xc6/0x1e0 [ 4539.736466][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4539.736466][ T74] [ 4539.738406][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4539.738406][ T74] netdev_get_by_index+0x5e/0x80 [ 4539.738406][ T74] fib6_nh_init+0x3d8/0x1580 [ 4539.738406][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4539.738406][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4539.738406][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4539.738406][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4539.738406][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4539.738406][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4539.738406][ T74] addrconf_dad_begin+0x310/0x670 [ 4539.738406][ T74] addrconf_dad_work+0x10b/0xab0 [ 4539.738406][ T74] process_one_work+0x84d/0x18a0 [ 4539.738406][ T74] worker_thread+0x587/0xd30 [ 4539.738406][ T74] kthread+0x28a/0x350 [ 4539.738406][ T74] ret_from_fork+0x31/0x70 [ 4539.738406][ T74] ret_from_fork_asm+0x1a/0x30 [ 4539.738406][ T74] [ 4539.740354][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4539.740354][ T74] netdev_get_by_index+0x5e/0x80 [ 4539.740354][ T74] fib6_nh_init+0x3d8/0x1580 [ 4539.740354][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4539.740354][ T74] ip6_route_add+0x1c/0x140 [ 4539.740354][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4539.740354][ T74] inet6_addr_add+0x4f8/0xa40 [ 4539.740354][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4539.740354][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4539.740354][ T74] netlink_rcv_skb+0x130/0x360 [ 4539.740354][ T74] netlink_unicast+0x449/0x710 [ 4539.740354][ T74] netlink_sendmsg+0x723/0xbe0 [ 4539.740354][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4539.740354][ T74] ___sys_sendmsg+0xee/0x170 [ 4539.740354][ T74] __sys_sendmsg+0xcd/0x170 [ 4539.740354][ T74] do_syscall_64+0xc6/0x1e0 [ 4539.740354][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4539.740354][ T74] [ 4539.742387][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4539.742387][ T74] netdev_get_by_index+0x5e/0x80 [ 4539.742387][ T74] fib6_nh_init+0x3d8/0x1580 [ 4539.742387][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4539.742387][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4539.742387][ T74] ipv6_add_addr+0x411/0x2000 [ 4539.742387][ T74] inet6_addr_add+0x30e/0xa40 [ 4539.742387][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4539.742387][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4539.742387][ T74] netlink_rcv_skb+0x130/0x360 [ 4539.742387][ T74] netlink_unicast+0x449/0x710 [ 4539.742387][ T74] netlink_sendmsg+0x723/0xbe0 [ 4539.742387][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4539.742387][ T74] ___sys_sendmsg+0xee/0x170 [ 4539.742387][ T74] __sys_sendmsg+0xcd/0x170 [ 4539.742387][ T74] do_syscall_64+0xc6/0x1e0 [ 4539.742387][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4539.742387][ T74] [ 4539.744430][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4539.744430][ T74] netdev_get_by_index+0x5e/0x80 [ 4539.744430][ T74] fib6_nh_init+0x3d8/0x1580 [ 4539.744430][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4539.744430][ T74] ip6_route_add+0x1c/0x140 [ 4539.744430][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4539.744430][ T74] addrconf_add_dev+0xe2/0x170 [ 4539.744430][ T74] inet6_addr_add+0x12f/0xa40 [ 4539.744430][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4539.744430][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4539.744430][ T74] netlink_rcv_skb+0x130/0x360 [ 4539.744430][ T74] netlink_unicast+0x449/0x710 [ 4539.744430][ T74] netlink_sendmsg+0x723/0xbe0 [ 4539.744430][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4539.744430][ T74] ___sys_sendmsg+0xee/0x170 [ 4539.744430][ T74] __sys_sendmsg+0xcd/0x170 [ 4539.744430][ T74] do_syscall_64+0xc6/0x1e0 [ 4539.744430][ T74] [ 4539.746429][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4539.746429][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4539.746429][ T74] ipv6_find_idev+0x102/0x170 [ 4539.746429][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4539.746429][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4539.746429][ T74] netlink_rcv_skb+0x130/0x360 [ 4539.746429][ T74] netlink_unicast+0x449/0x710 [ 4539.746429][ T74] netlink_sendmsg+0x723/0xbe0 [ 4539.746429][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4539.746429][ T74] ___sys_sendmsg+0xee/0x170 [ 4539.746429][ T74] __sys_sendmsg+0xcd/0x170 [ 4539.746429][ T74] do_syscall_64+0xc6/0x1e0 [ 4539.746429][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4539.746429][ T74] [ 4539.747995][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4539.747995][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4539.747995][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4539.747995][ T74] ipv6_find_idev+0x102/0x170 [ 4539.747995][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4539.747995][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4539.747995][ T74] netlink_rcv_skb+0x130/0x360 [ 4539.747995][ T74] netlink_unicast+0x449/0x710 [ 4539.747995][ T74] netlink_sendmsg+0x723/0xbe0 [ 4539.747995][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4539.747995][ T74] ___sys_sendmsg+0xee/0x170 [ 4539.747995][ T74] __sys_sendmsg+0xcd/0x170 [ 4539.747995][ T74] do_syscall_64+0xc6/0x1e0 [ 4539.747995][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4539.747995][ T74] [ 4539.749724][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4539.750016][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4539.750016][ T74] dst_init+0x84/0x4a0 [ 4539.750016][ T74] dst_alloc+0x97/0x150 [ 4539.750016][ T74] ip6_dst_alloc+0x23/0x90 [ 4539.750016][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4539.750016][ T74] ip6_pol_route+0x56f/0x840 [ 4539.750016][ T74] fib6_rule_lookup+0x456/0x630 [ 4539.750016][ T74] ip6_route_input+0x59c/0xa50 [ 4539.750016][ T74] ipv6_rcv+0x397/0x810 [ 4539.750016][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4539.750016][ T74] process_backlog+0x101/0x620 [ 4539.750016][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4539.750016][ T74] net_rx_action+0x495/0xbe0 [ 4539.750016][ T74] __do_softirq+0x1b5/0x7f6 [ 4539.750016][ T74] [ 4539.751684][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4539.751684][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4539.751684][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4539.751684][ T74] fib6_nh_init+0xa22/0x1580 [ 4539.751684][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4539.751684][ T74] ip6_route_add+0x1c/0x140 [ 4539.751684][ T74] inet6_rtm_newroute+0x104/0x110 [ 4539.751684][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4539.751684][ T74] netlink_rcv_skb+0x130/0x360 [ 4539.751684][ T74] netlink_unicast+0x449/0x710 [ 4539.751684][ T74] netlink_sendmsg+0x723/0xbe0 [ 4539.751684][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4539.751684][ T74] ___sys_sendmsg+0xee/0x170 [ 4539.751684][ T74] __sys_sendmsg+0xcd/0x170 [ 4539.751684][ T74] do_syscall_64+0xc6/0x1e0 [ 4539.751684][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4539.751684][ T74] [ 4539.753604][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4539.753604][ T74] netdev_get_by_index+0x5e/0x80 [ 4539.753604][ T74] fib6_nh_init+0x3d8/0x1580 [ 4539.753604][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4539.753604][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4539.753604][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4539.753604][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4539.753604][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4539.753604][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4539.753604][ T74] addrconf_dad_begin+0x310/0x670 [ 4539.753604][ T74] addrconf_dad_work+0x10b/0xab0 [ 4539.753604][ T74] process_one_work+0x84d/0x18a0 [ 4539.753604][ T74] worker_thread+0x587/0xd30 [ 4539.753604][ T74] kthread+0x28a/0x350 [ 4539.753604][ T74] ret_from_fork+0x31/0x70 [ 4539.753604][ T74] ret_from_fork_asm+0x1a/0x30 [ 4539.753604][ T74] [ 4539.755566][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4539.755566][ T74] netdev_get_by_index+0x5e/0x80 [ 4539.755566][ T74] fib6_nh_init+0x3d8/0x1580 [ 4539.755566][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4539.755566][ T74] ip6_route_add+0x1c/0x140 [ 4539.755566][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4539.755566][ T74] inet6_addr_add+0x4f8/0xa40 [ 4539.755566][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4539.755566][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4539.755566][ T74] netlink_rcv_skb+0x130/0x360 [ 4539.755566][ T74] netlink_unicast+0x449/0x710 [ 4539.755566][ T74] netlink_sendmsg+0x723/0xbe0 [ 4539.755566][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4539.755566][ T74] ___sys_sendmsg+0xee/0x170 [ 4539.755566][ T74] __sys_sendmsg+0xcd/0x170 [ 4539.755566][ T74] do_syscall_64+0xc6/0x1e0 [ 4539.755566][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4539.755566][ T74] [ 4539.757612][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4539.757612][ T74] netdev_get_by_index+0x5e/0x80 [ 4539.757612][ T74] fib6_nh_init+0x3d8/0x1580 [ 4539.757612][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4539.757612][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4539.757612][ T74] ipv6_add_addr+0x411/0x2000 [ 4539.757612][ T74] inet6_addr_add+0x30e/0xa40 [ 4539.757612][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4539.757612][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4539.757612][ T74] netlink_rcv_skb+0x130/0x360 [ 4539.757612][ T74] netlink_unicast+0x449/0x710 [ 4539.757612][ T74] netlink_sendmsg+0x723/0xbe0 [ 4539.757612][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4539.757612][ T74] ___sys_sendmsg+0xee/0x170 [ 4539.757612][ T74] __sys_sendmsg+0xcd/0x170 [ 4539.757612][ T74] do_syscall_64+0xc6/0x1e0 [ 4539.757612][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4539.757612][ T74] [ 4539.759638][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4539.759638][ T74] netdev_get_by_index+0x5e/0x80 [ 4539.759638][ T74] fib6_nh_init+0x3d8/0x1580 [ 4539.759638][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4539.759638][ T74] ip6_route_add+0x1c/0x140 [ 4539.759638][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4539.759638][ T74] addrconf_add_dev+0xe2/0x170 [ 4539.759638][ T74] inet6_addr_add+0x12f/0xa40 [ 4539.759638][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4539.759638][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4539.759638][ T74] netlink_rcv_skb+0x130/0x360 [ 4539.759638][ T74] netlink_unicast+0x449/0x710 [ 4539.759638][ T74] netlink_sendmsg+0x723/0xbe0 [ 4539.759638][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4539.759638][ T74] ___sys_sendmsg+0xee/0x170 [ 4539.759638][ T74] __sys_sendmsg+0xcd/0x170 [ 4539.759638][ T74] do_syscall_64+0xc6/0x1e0 [ 4539.759638][ T74] [ 4539.761653][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4539.761653][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4539.761653][ T74] ipv6_find_idev+0x102/0x170 [ 4539.761653][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4539.761653][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4539.761653][ T74] netlink_rcv_skb+0x130/0x360 [ 4539.761653][ T74] netlink_unicast+0x449/0x710 [ 4539.761653][ T74] netlink_sendmsg+0x723/0xbe0 [ 4539.761653][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4539.761653][ T74] ___sys_sendmsg+0xee/0x170 [ 4539.761653][ T74] __sys_sendmsg+0xcd/0x170 [ 4539.761653][ T74] do_syscall_64+0xc6/0x1e0 [ 4539.761653][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4539.761653][ T74] [ 4539.763353][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4539.763353][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4539.763353][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4539.763353][ T74] ipv6_find_idev+0x102/0x170 [ 4539.763353][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4539.763353][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4539.763353][ T74] netlink_rcv_skb+0x130/0x360 [ 4539.763353][ T74] netlink_unicast+0x449/0x710 [ 4539.763353][ T74] netlink_sendmsg+0x723/0xbe0 [ 4539.763353][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4539.763353][ T74] ___sys_sendmsg+0xee/0x170 [ 4539.763353][ T74] __sys_sendmsg+0xcd/0x170 [ 4539.763353][ T74] do_syscall_64+0xc6/0x1e0 [ 4539.763353][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4539.763353][ T74] [ 4539.765373][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4539.765612][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4539.765612][ T74] netdev_get_by_index+0x5e/0x80 [ 4539.765612][ T74] fib6_nh_init+0x3d8/0x1580 [ 4539.765612][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4539.765612][ T74] ip6_route_add+0x1c/0x140 [ 4539.765612][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4539.765612][ T74] inet6_addr_add+0x4f8/0xa40 [ 4539.765612][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4539.765612][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4539.765612][ T74] netlink_rcv_skb+0x130/0x360 [ 4539.765612][ T74] netlink_unicast+0x449/0x710 [ 4539.765612][ T74] netlink_sendmsg+0x723/0xbe0 [ 4539.765612][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4539.765612][ T74] ___sys_sendmsg+0xee/0x170 [ 4539.765612][ T74] __sys_sendmsg+0xcd/0x170 [ 4539.765612][ T74] do_syscall_64+0xc6/0x1e0 [ 4539.765612][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4539.765612][ T74] [ 4539.767911][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4539.767911][ T74] netdev_get_by_index+0x5e/0x80 [ 4539.767911][ T74] fib6_nh_init+0x3d8/0x1580 [ 4539.767911][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4539.767911][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4539.767911][ T74] ipv6_add_addr+0x411/0x2000 [ 4539.767911][ T74] inet6_addr_add+0x30e/0xa40 [ 4539.767911][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4539.767911][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4539.767911][ T74] netlink_rcv_skb+0x130/0x360 [ 4539.767911][ T74] netlink_unicast+0x449/0x710 [ 4539.767911][ T74] netlink_sendmsg+0x723/0xbe0 [ 4539.767911][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4539.767911][ T74] ___sys_sendmsg+0xee/0x170 [ 4539.767911][ T74] __sys_sendmsg+0xcd/0x170 [ 4539.767911][ T74] do_syscall_64+0xc6/0x1e0 [ 4539.767911][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4539.767911][ T74] [ 4539.770206][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4539.770206][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4539.770206][ T74] ipv6_find_idev+0x102/0x170 [ 4539.770206][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4539.770206][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4539.770206][ T74] netlink_rcv_skb+0x130/0x360 [ 4539.770206][ T74] netlink_unicast+0x449/0x710 [ 4539.770206][ T74] netlink_sendmsg+0x723/0xbe0 [ 4539.770206][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4539.770206][ T74] ___sys_sendmsg+0xee/0x170 [ 4539.770206][ T74] __sys_sendmsg+0xcd/0x170 [ 4539.770206][ T74] do_syscall_64+0xc6/0x1e0 [ 4539.770206][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4539.770206][ T74] [ 4539.771848][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4539.771848][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4539.771848][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4539.771848][ T74] ipv6_find_idev+0x102/0x170 [ 4539.771848][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4539.771848][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4539.771848][ T74] netlink_rcv_skb+0x130/0x360 [ 4539.771848][ T74] netlink_unicast+0x449/0x710 [ 4539.771848][ T74] netlink_sendmsg+0x723/0xbe0 [ 4539.771848][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4539.771848][ T74] ___sys_sendmsg+0xee/0x170 [ 4539.771848][ T74] __sys_sendmsg+0xcd/0x170 [ 4539.771848][ T74] do_syscall_64+0xc6/0x1e0 [ 4539.771848][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4539.771848][ T74] [ 4549.983973][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4549.984418][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4549.984418][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4549.984418][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4549.984418][ T74] fib6_nh_init+0xa22/0x1580 [ 4549.984418][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4549.984418][ T74] ip6_route_add+0x1c/0x140 [ 4549.984418][ T74] inet6_rtm_newroute+0x104/0x110 [ 4549.984418][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4549.984418][ T74] netlink_rcv_skb+0x130/0x360 [ 4549.984418][ T74] netlink_unicast+0x449/0x710 [ 4549.984418][ T74] netlink_sendmsg+0x723/0xbe0 [ 4549.984418][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4549.984418][ T74] ___sys_sendmsg+0xee/0x170 [ 4549.984418][ T74] __sys_sendmsg+0xcd/0x170 [ 4549.984418][ T74] do_syscall_64+0xc6/0x1e0 [ 4549.984418][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4549.984418][ T74] [ 4549.986358][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4549.986358][ T74] netdev_get_by_index+0x5e/0x80 [ 4549.986358][ T74] fib6_nh_init+0x3d8/0x1580 [ 4549.986358][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4549.986358][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4549.986358][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4549.986358][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4549.986358][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4549.986358][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4549.986358][ T74] addrconf_dad_begin+0x310/0x670 [ 4549.986358][ T74] addrconf_dad_work+0x10b/0xab0 [ 4549.986358][ T74] process_one_work+0x84d/0x18a0 [ 4549.986358][ T74] worker_thread+0x587/0xd30 [ 4549.986358][ T74] kthread+0x28a/0x350 [ 4549.986358][ T74] ret_from_fork+0x31/0x70 [ 4549.986358][ T74] ret_from_fork_asm+0x1a/0x30 [ 4549.986358][ T74] [ 4549.988341][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4549.988341][ T74] netdev_get_by_index+0x5e/0x80 [ 4549.988341][ T74] fib6_nh_init+0x3d8/0x1580 [ 4549.988341][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4549.988341][ T74] ip6_route_add+0x1c/0x140 [ 4549.988341][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4549.988341][ T74] inet6_addr_add+0x4f8/0xa40 [ 4549.988341][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4549.988341][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4549.988341][ T74] netlink_rcv_skb+0x130/0x360 [ 4549.988341][ T74] netlink_unicast+0x449/0x710 [ 4549.988341][ T74] netlink_sendmsg+0x723/0xbe0 [ 4549.988341][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4549.988341][ T74] ___sys_sendmsg+0xee/0x170 [ 4549.988341][ T74] __sys_sendmsg+0xcd/0x170 [ 4549.988341][ T74] do_syscall_64+0xc6/0x1e0 [ 4549.988341][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4549.988341][ T74] [ 4549.990376][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4549.990376][ T74] netdev_get_by_index+0x5e/0x80 [ 4549.990376][ T74] fib6_nh_init+0x3d8/0x1580 [ 4549.990376][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4549.990376][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4549.990376][ T74] ipv6_add_addr+0x411/0x2000 [ 4549.990376][ T74] inet6_addr_add+0x30e/0xa40 [ 4549.990376][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4549.990376][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4549.990376][ T74] netlink_rcv_skb+0x130/0x360 [ 4549.990376][ T74] netlink_unicast+0x449/0x710 [ 4549.990376][ T74] netlink_sendmsg+0x723/0xbe0 [ 4549.990376][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4549.990376][ T74] ___sys_sendmsg+0xee/0x170 [ 4549.990376][ T74] __sys_sendmsg+0xcd/0x170 [ 4549.990376][ T74] do_syscall_64+0xc6/0x1e0 [ 4549.990376][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4549.990376][ T74] [ 4549.992420][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4549.992420][ T74] netdev_get_by_index+0x5e/0x80 [ 4549.992420][ T74] fib6_nh_init+0x3d8/0x1580 [ 4549.992420][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4549.992420][ T74] ip6_route_add+0x1c/0x140 [ 4549.992420][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4549.992420][ T74] addrconf_add_dev+0xe2/0x170 [ 4549.992420][ T74] inet6_addr_add+0x12f/0xa40 [ 4549.992420][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4549.992420][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4549.992420][ T74] netlink_rcv_skb+0x130/0x360 [ 4549.992420][ T74] netlink_unicast+0x449/0x710 [ 4549.992420][ T74] netlink_sendmsg+0x723/0xbe0 [ 4549.992420][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4549.992420][ T74] ___sys_sendmsg+0xee/0x170 [ 4549.992420][ T74] __sys_sendmsg+0xcd/0x170 [ 4549.992420][ T74] do_syscall_64+0xc6/0x1e0 [ 4549.992420][ T74] [ 4549.994416][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4549.994416][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4549.994416][ T74] ipv6_find_idev+0x102/0x170 [ 4549.994416][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4549.994416][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4549.994416][ T74] netlink_rcv_skb+0x130/0x360 [ 4549.994416][ T74] netlink_unicast+0x449/0x710 [ 4549.994416][ T74] netlink_sendmsg+0x723/0xbe0 [ 4549.994416][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4549.994416][ T74] ___sys_sendmsg+0xee/0x170 [ 4549.994416][ T74] __sys_sendmsg+0xcd/0x170 [ 4549.994416][ T74] do_syscall_64+0xc6/0x1e0 [ 4549.994416][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4549.994416][ T74] [ 4549.995992][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4549.995992][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4549.995992][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4549.995992][ T74] ipv6_find_idev+0x102/0x170 [ 4549.995992][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4549.995992][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4549.995992][ T74] netlink_rcv_skb+0x130/0x360 [ 4549.995992][ T74] netlink_unicast+0x449/0x710 [ 4549.995992][ T74] netlink_sendmsg+0x723/0xbe0 [ 4549.995992][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4549.995992][ T74] ___sys_sendmsg+0xee/0x170 [ 4549.995992][ T74] __sys_sendmsg+0xcd/0x170 [ 4549.995992][ T74] do_syscall_64+0xc6/0x1e0 [ 4549.995992][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4549.995992][ T74] [ 4549.997735][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4549.998029][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4549.998029][ T74] dst_init+0x84/0x4a0 [ 4549.998029][ T74] dst_alloc+0x97/0x150 [ 4549.998029][ T74] ip6_dst_alloc+0x23/0x90 [ 4549.998029][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4549.998029][ T74] ip6_pol_route+0x56f/0x840 [ 4549.998029][ T74] fib6_rule_lookup+0x456/0x630 [ 4549.998029][ T74] ip6_route_input+0x59c/0xa50 [ 4549.998029][ T74] ipv6_rcv+0x397/0x810 [ 4549.998029][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4549.998029][ T74] process_backlog+0x101/0x620 [ 4549.998029][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4549.998029][ T74] net_rx_action+0x495/0xbe0 [ 4549.998029][ T74] __do_softirq+0x1b5/0x7f6 [ 4549.998029][ T74] [ 4549.999712][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4549.999712][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4549.999712][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4549.999712][ T74] fib6_nh_init+0xa22/0x1580 [ 4549.999712][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4549.999712][ T74] ip6_route_add+0x1c/0x140 [ 4549.999712][ T74] inet6_rtm_newroute+0x104/0x110 [ 4549.999712][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4549.999712][ T74] netlink_rcv_skb+0x130/0x360 [ 4549.999712][ T74] netlink_unicast+0x449/0x710 [ 4549.999712][ T74] netlink_sendmsg+0x723/0xbe0 [ 4549.999712][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4549.999712][ T74] ___sys_sendmsg+0xee/0x170 [ 4549.999712][ T74] __sys_sendmsg+0xcd/0x170 [ 4549.999712][ T74] do_syscall_64+0xc6/0x1e0 [ 4549.999712][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4549.999712][ T74] [ 4550.001629][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4550.001629][ T74] netdev_get_by_index+0x5e/0x80 [ 4550.001629][ T74] fib6_nh_init+0x3d8/0x1580 [ 4550.001629][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4550.001629][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4550.001629][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4550.001629][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4550.001629][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4550.001629][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4550.001629][ T74] addrconf_dad_begin+0x310/0x670 [ 4550.001629][ T74] addrconf_dad_work+0x10b/0xab0 [ 4550.001629][ T74] process_one_work+0x84d/0x18a0 [ 4550.001629][ T74] worker_thread+0x587/0xd30 [ 4550.001629][ T74] kthread+0x28a/0x350 [ 4550.001629][ T74] ret_from_fork+0x31/0x70 [ 4550.001629][ T74] ret_from_fork_asm+0x1a/0x30 [ 4550.001629][ T74] [ 4550.003575][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4550.003575][ T74] netdev_get_by_index+0x5e/0x80 [ 4550.003575][ T74] fib6_nh_init+0x3d8/0x1580 [ 4550.003575][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4550.003575][ T74] ip6_route_add+0x1c/0x140 [ 4550.003575][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4550.003575][ T74] inet6_addr_add+0x4f8/0xa40 [ 4550.003575][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4550.003575][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4550.003575][ T74] netlink_rcv_skb+0x130/0x360 [ 4550.003575][ T74] netlink_unicast+0x449/0x710 [ 4550.003575][ T74] netlink_sendmsg+0x723/0xbe0 [ 4550.003575][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4550.003575][ T74] ___sys_sendmsg+0xee/0x170 [ 4550.003575][ T74] __sys_sendmsg+0xcd/0x170 [ 4550.003575][ T74] do_syscall_64+0xc6/0x1e0 [ 4550.003575][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4550.003575][ T74] [ 4550.005614][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4550.005614][ T74] netdev_get_by_index+0x5e/0x80 [ 4550.005614][ T74] fib6_nh_init+0x3d8/0x1580 [ 4550.005614][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4550.005614][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4550.005614][ T74] ipv6_add_addr+0x411/0x2000 [ 4550.005614][ T74] inet6_addr_add+0x30e/0xa40 [ 4550.005614][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4550.005614][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4550.005614][ T74] netlink_rcv_skb+0x130/0x360 [ 4550.005614][ T74] netlink_unicast+0x449/0x710 [ 4550.005614][ T74] netlink_sendmsg+0x723/0xbe0 [ 4550.005614][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4550.005614][ T74] ___sys_sendmsg+0xee/0x170 [ 4550.005614][ T74] __sys_sendmsg+0xcd/0x170 [ 4550.005614][ T74] do_syscall_64+0xc6/0x1e0 [ 4550.005614][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4550.005614][ T74] [ 4550.007657][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4550.007657][ T74] netdev_get_by_index+0x5e/0x80 [ 4550.007657][ T74] fib6_nh_init+0x3d8/0x1580 [ 4550.007657][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4550.007657][ T74] ip6_route_add+0x1c/0x140 [ 4550.007657][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4550.007657][ T74] addrconf_add_dev+0xe2/0x170 [ 4550.007657][ T74] inet6_addr_add+0x12f/0xa40 [ 4550.007657][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4550.007657][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4550.007657][ T74] netlink_rcv_skb+0x130/0x360 [ 4550.007657][ T74] netlink_unicast+0x449/0x710 [ 4550.007657][ T74] netlink_sendmsg+0x723/0xbe0 [ 4550.007657][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4550.007657][ T74] ___sys_sendmsg+0xee/0x170 [ 4550.007657][ T74] __sys_sendmsg+0xcd/0x170 [ 4550.007657][ T74] do_syscall_64+0xc6/0x1e0 [ 4550.007657][ T74] [ 4550.009655][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4550.009655][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4550.009655][ T74] ipv6_find_idev+0x102/0x170 [ 4550.009655][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4550.009655][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4550.009655][ T74] netlink_rcv_skb+0x130/0x360 [ 4550.009655][ T74] netlink_unicast+0x449/0x710 [ 4550.009655][ T74] netlink_sendmsg+0x723/0xbe0 [ 4550.009655][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4550.009655][ T74] ___sys_sendmsg+0xee/0x170 [ 4550.009655][ T74] __sys_sendmsg+0xcd/0x170 [ 4550.009655][ T74] do_syscall_64+0xc6/0x1e0 [ 4550.009655][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4550.009655][ T74] [ 4550.011364][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4550.011364][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4550.011364][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4550.011364][ T74] ipv6_find_idev+0x102/0x170 [ 4550.011364][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4550.011364][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4550.011364][ T74] netlink_rcv_skb+0x130/0x360 [ 4550.011364][ T74] netlink_unicast+0x449/0x710 [ 4550.011364][ T74] netlink_sendmsg+0x723/0xbe0 [ 4550.011364][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4550.011364][ T74] ___sys_sendmsg+0xee/0x170 [ 4550.011364][ T74] __sys_sendmsg+0xcd/0x170 [ 4550.011364][ T74] do_syscall_64+0xc6/0x1e0 [ 4550.011364][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4550.011364][ T74] [ 4550.013372][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4550.013609][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4550.013609][ T74] netdev_get_by_index+0x5e/0x80 [ 4550.013609][ T74] fib6_nh_init+0x3d8/0x1580 [ 4550.013609][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4550.013609][ T74] ip6_route_add+0x1c/0x140 [ 4550.013609][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4550.013609][ T74] inet6_addr_add+0x4f8/0xa40 [ 4550.013609][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4550.013609][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4550.013609][ T74] netlink_rcv_skb+0x130/0x360 [ 4550.013609][ T74] netlink_unicast+0x449/0x710 [ 4550.013609][ T74] netlink_sendmsg+0x723/0xbe0 [ 4550.013609][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4550.013609][ T74] ___sys_sendmsg+0xee/0x170 [ 4550.013609][ T74] __sys_sendmsg+0xcd/0x170 [ 4550.013609][ T74] do_syscall_64+0xc6/0x1e0 [ 4550.013609][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4550.013609][ T74] [ 4550.015898][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4550.015898][ T74] netdev_get_by_index+0x5e/0x80 [ 4550.015898][ T74] fib6_nh_init+0x3d8/0x1580 [ 4550.015898][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4550.015898][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4550.015898][ T74] ipv6_add_addr+0x411/0x2000 [ 4550.015898][ T74] inet6_addr_add+0x30e/0xa40 [ 4550.015898][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4550.015898][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4550.015898][ T74] netlink_rcv_skb+0x130/0x360 [ 4550.015898][ T74] netlink_unicast+0x449/0x710 [ 4550.015898][ T74] netlink_sendmsg+0x723/0xbe0 [ 4550.015898][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4550.015898][ T74] ___sys_sendmsg+0xee/0x170 [ 4550.015898][ T74] __sys_sendmsg+0xcd/0x170 [ 4550.015898][ T74] do_syscall_64+0xc6/0x1e0 [ 4550.015898][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4550.015898][ T74] [ 4550.018200][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4550.018200][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4550.018200][ T74] ipv6_find_idev+0x102/0x170 [ 4550.018200][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4550.018200][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4550.018200][ T74] netlink_rcv_skb+0x130/0x360 [ 4550.018200][ T74] netlink_unicast+0x449/0x710 [ 4550.018200][ T74] netlink_sendmsg+0x723/0xbe0 [ 4550.018200][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4550.018200][ T74] ___sys_sendmsg+0xee/0x170 [ 4550.018200][ T74] __sys_sendmsg+0xcd/0x170 [ 4550.018200][ T74] do_syscall_64+0xc6/0x1e0 [ 4550.018200][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4550.018200][ T74] [ 4550.019832][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4550.019832][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4550.019832][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4550.019832][ T74] ipv6_find_idev+0x102/0x170 [ 4550.019832][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4550.019832][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4550.019832][ T74] netlink_rcv_skb+0x130/0x360 [ 4550.019832][ T74] netlink_unicast+0x449/0x710 [ 4550.019832][ T74] netlink_sendmsg+0x723/0xbe0 [ 4550.019832][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4550.019832][ T74] ___sys_sendmsg+0xee/0x170 [ 4550.019832][ T74] __sys_sendmsg+0xcd/0x170 [ 4550.019832][ T74] do_syscall_64+0xc6/0x1e0 [ 4550.019832][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4550.019832][ T74] [ 4560.143971][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4560.144445][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4560.144445][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4560.144445][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4560.144445][ T74] fib6_nh_init+0xa22/0x1580 [ 4560.144445][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4560.144445][ T74] ip6_route_add+0x1c/0x140 [ 4560.144445][ T74] inet6_rtm_newroute+0x104/0x110 [ 4560.144445][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4560.144445][ T74] netlink_rcv_skb+0x130/0x360 [ 4560.144445][ T74] netlink_unicast+0x449/0x710 [ 4560.144445][ T74] netlink_sendmsg+0x723/0xbe0 [ 4560.144445][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4560.144445][ T74] ___sys_sendmsg+0xee/0x170 [ 4560.144445][ T74] __sys_sendmsg+0xcd/0x170 [ 4560.144445][ T74] do_syscall_64+0xc6/0x1e0 [ 4560.144445][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4560.144445][ T74] [ 4560.146413][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4560.146413][ T74] netdev_get_by_index+0x5e/0x80 [ 4560.146413][ T74] fib6_nh_init+0x3d8/0x1580 [ 4560.146413][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4560.146413][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4560.146413][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4560.146413][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4560.146413][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4560.146413][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4560.146413][ T74] addrconf_dad_begin+0x310/0x670 [ 4560.146413][ T74] addrconf_dad_work+0x10b/0xab0 [ 4560.146413][ T74] process_one_work+0x84d/0x18a0 [ 4560.146413][ T74] worker_thread+0x587/0xd30 [ 4560.146413][ T74] kthread+0x28a/0x350 [ 4560.146413][ T74] ret_from_fork+0x31/0x70 [ 4560.146413][ T74] ret_from_fork_asm+0x1a/0x30 [ 4560.146413][ T74] [ 4560.148387][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4560.148387][ T74] netdev_get_by_index+0x5e/0x80 [ 4560.148387][ T74] fib6_nh_init+0x3d8/0x1580 [ 4560.148387][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4560.148387][ T74] ip6_route_add+0x1c/0x140 [ 4560.148387][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4560.148387][ T74] inet6_addr_add+0x4f8/0xa40 [ 4560.148387][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4560.148387][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4560.148387][ T74] netlink_rcv_skb+0x130/0x360 [ 4560.148387][ T74] netlink_unicast+0x449/0x710 [ 4560.148387][ T74] netlink_sendmsg+0x723/0xbe0 [ 4560.148387][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4560.148387][ T74] ___sys_sendmsg+0xee/0x170 [ 4560.148387][ T74] __sys_sendmsg+0xcd/0x170 [ 4560.148387][ T74] do_syscall_64+0xc6/0x1e0 [ 4560.148387][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4560.148387][ T74] [ 4560.150423][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4560.150423][ T74] netdev_get_by_index+0x5e/0x80 [ 4560.150423][ T74] fib6_nh_init+0x3d8/0x1580 [ 4560.150423][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4560.150423][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4560.150423][ T74] ipv6_add_addr+0x411/0x2000 [ 4560.150423][ T74] inet6_addr_add+0x30e/0xa40 [ 4560.150423][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4560.150423][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4560.150423][ T74] netlink_rcv_skb+0x130/0x360 [ 4560.150423][ T74] netlink_unicast+0x449/0x710 [ 4560.150423][ T74] netlink_sendmsg+0x723/0xbe0 [ 4560.150423][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4560.150423][ T74] ___sys_sendmsg+0xee/0x170 [ 4560.150423][ T74] __sys_sendmsg+0xcd/0x170 [ 4560.150423][ T74] do_syscall_64+0xc6/0x1e0 [ 4560.150423][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4560.150423][ T74] [ 4560.152477][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4560.152477][ T74] netdev_get_by_index+0x5e/0x80 [ 4560.152477][ T74] fib6_nh_init+0x3d8/0x1580 [ 4560.152477][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4560.152477][ T74] ip6_route_add+0x1c/0x140 [ 4560.152477][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4560.152477][ T74] addrconf_add_dev+0xe2/0x170 [ 4560.152477][ T74] inet6_addr_add+0x12f/0xa40 [ 4560.152477][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4560.152477][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4560.152477][ T74] netlink_rcv_skb+0x130/0x360 [ 4560.152477][ T74] netlink_unicast+0x449/0x710 [ 4560.152477][ T74] netlink_sendmsg+0x723/0xbe0 [ 4560.152477][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4560.152477][ T74] ___sys_sendmsg+0xee/0x170 [ 4560.152477][ T74] __sys_sendmsg+0xcd/0x170 [ 4560.152477][ T74] do_syscall_64+0xc6/0x1e0 [ 4560.152477][ T74] [ 4560.154542][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4560.154542][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4560.154542][ T74] ipv6_find_idev+0x102/0x170 [ 4560.154542][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4560.154542][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4560.154542][ T74] netlink_rcv_skb+0x130/0x360 [ 4560.154542][ T74] netlink_unicast+0x449/0x710 [ 4560.154542][ T74] netlink_sendmsg+0x723/0xbe0 [ 4560.154542][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4560.154542][ T74] ___sys_sendmsg+0xee/0x170 [ 4560.154542][ T74] __sys_sendmsg+0xcd/0x170 [ 4560.154542][ T74] do_syscall_64+0xc6/0x1e0 [ 4560.154542][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4560.154542][ T74] [ 4560.156109][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4560.156109][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4560.156109][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4560.156109][ T74] ipv6_find_idev+0x102/0x170 [ 4560.156109][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4560.156109][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4560.156109][ T74] netlink_rcv_skb+0x130/0x360 [ 4560.156109][ T74] netlink_unicast+0x449/0x710 [ 4560.156109][ T74] netlink_sendmsg+0x723/0xbe0 [ 4560.156109][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4560.156109][ T74] ___sys_sendmsg+0xee/0x170 [ 4560.156109][ T74] __sys_sendmsg+0xcd/0x170 [ 4560.156109][ T74] do_syscall_64+0xc6/0x1e0 [ 4560.156109][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4560.156109][ T74] [ 4560.157859][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4560.158148][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4560.158148][ T74] dst_init+0x84/0x4a0 [ 4560.158148][ T74] dst_alloc+0x97/0x150 [ 4560.158148][ T74] ip6_dst_alloc+0x23/0x90 [ 4560.158148][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4560.158148][ T74] ip6_pol_route+0x56f/0x840 [ 4560.158148][ T74] fib6_rule_lookup+0x456/0x630 [ 4560.158148][ T74] ip6_route_input+0x59c/0xa50 [ 4560.158148][ T74] ipv6_rcv+0x397/0x810 [ 4560.158148][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4560.158148][ T74] process_backlog+0x101/0x620 [ 4560.158148][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4560.158148][ T74] net_rx_action+0x495/0xbe0 [ 4560.158148][ T74] __do_softirq+0x1b5/0x7f6 [ 4560.158148][ T74] [ 4560.159827][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4560.159827][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4560.159827][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4560.159827][ T74] fib6_nh_init+0xa22/0x1580 [ 4560.159827][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4560.159827][ T74] ip6_route_add+0x1c/0x140 [ 4560.159827][ T74] inet6_rtm_newroute+0x104/0x110 [ 4560.159827][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4560.159827][ T74] netlink_rcv_skb+0x130/0x360 [ 4560.159827][ T74] netlink_unicast+0x449/0x710 [ 4560.159827][ T74] netlink_sendmsg+0x723/0xbe0 [ 4560.159827][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4560.159827][ T74] ___sys_sendmsg+0xee/0x170 [ 4560.159827][ T74] __sys_sendmsg+0xcd/0x170 [ 4560.159827][ T74] do_syscall_64+0xc6/0x1e0 [ 4560.159827][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4560.159827][ T74] [ 4560.161757][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4560.161757][ T74] netdev_get_by_index+0x5e/0x80 [ 4560.161757][ T74] fib6_nh_init+0x3d8/0x1580 [ 4560.161757][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4560.161757][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4560.161757][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4560.161757][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4560.161757][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4560.161757][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4560.161757][ T74] addrconf_dad_begin+0x310/0x670 [ 4560.161757][ T74] addrconf_dad_work+0x10b/0xab0 [ 4560.161757][ T74] process_one_work+0x84d/0x18a0 [ 4560.161757][ T74] worker_thread+0x587/0xd30 [ 4560.161757][ T74] kthread+0x28a/0x350 [ 4560.161757][ T74] ret_from_fork+0x31/0x70 [ 4560.161757][ T74] ret_from_fork_asm+0x1a/0x30 [ 4560.161757][ T74] [ 4560.163713][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4560.163713][ T74] netdev_get_by_index+0x5e/0x80 [ 4560.163713][ T74] fib6_nh_init+0x3d8/0x1580 [ 4560.163713][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4560.163713][ T74] ip6_route_add+0x1c/0x140 [ 4560.163713][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4560.163713][ T74] inet6_addr_add+0x4f8/0xa40 [ 4560.163713][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4560.163713][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4560.163713][ T74] netlink_rcv_skb+0x130/0x360 [ 4560.163713][ T74] netlink_unicast+0x449/0x710 [ 4560.163713][ T74] netlink_sendmsg+0x723/0xbe0 [ 4560.163713][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4560.163713][ T74] ___sys_sendmsg+0xee/0x170 [ 4560.163713][ T74] __sys_sendmsg+0xcd/0x170 [ 4560.163713][ T74] do_syscall_64+0xc6/0x1e0 [ 4560.163713][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4560.163713][ T74] [ 4560.165750][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4560.165750][ T74] netdev_get_by_index+0x5e/0x80 [ 4560.165750][ T74] fib6_nh_init+0x3d8/0x1580 [ 4560.165750][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4560.165750][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4560.165750][ T74] ipv6_add_addr+0x411/0x2000 [ 4560.165750][ T74] inet6_addr_add+0x30e/0xa40 [ 4560.165750][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4560.165750][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4560.165750][ T74] netlink_rcv_skb+0x130/0x360 [ 4560.165750][ T74] netlink_unicast+0x449/0x710 [ 4560.165750][ T74] netlink_sendmsg+0x723/0xbe0 [ 4560.165750][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4560.165750][ T74] ___sys_sendmsg+0xee/0x170 [ 4560.165750][ T74] __sys_sendmsg+0xcd/0x170 [ 4560.165750][ T74] do_syscall_64+0xc6/0x1e0 [ 4560.165750][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4560.165750][ T74] [ 4560.167780][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4560.167780][ T74] netdev_get_by_index+0x5e/0x80 [ 4560.167780][ T74] fib6_nh_init+0x3d8/0x1580 [ 4560.167780][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4560.167780][ T74] ip6_route_add+0x1c/0x140 [ 4560.167780][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4560.167780][ T74] addrconf_add_dev+0xe2/0x170 [ 4560.167780][ T74] inet6_addr_add+0x12f/0xa40 [ 4560.167780][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4560.167780][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4560.167780][ T74] netlink_rcv_skb+0x130/0x360 [ 4560.167780][ T74] netlink_unicast+0x449/0x710 [ 4560.167780][ T74] netlink_sendmsg+0x723/0xbe0 [ 4560.167780][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4560.167780][ T74] ___sys_sendmsg+0xee/0x170 [ 4560.167780][ T74] __sys_sendmsg+0xcd/0x170 [ 4560.167780][ T74] do_syscall_64+0xc6/0x1e0 [ 4560.167780][ T74] [ 4560.169783][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4560.169783][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4560.169783][ T74] ipv6_find_idev+0x102/0x170 [ 4560.169783][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4560.169783][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4560.169783][ T74] netlink_rcv_skb+0x130/0x360 [ 4560.169783][ T74] netlink_unicast+0x449/0x710 [ 4560.169783][ T74] netlink_sendmsg+0x723/0xbe0 [ 4560.169783][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4560.169783][ T74] ___sys_sendmsg+0xee/0x170 [ 4560.169783][ T74] __sys_sendmsg+0xcd/0x170 [ 4560.169783][ T74] do_syscall_64+0xc6/0x1e0 [ 4560.169783][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4560.169783][ T74] [ 4560.171470][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4560.171470][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4560.171470][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4560.171470][ T74] ipv6_find_idev+0x102/0x170 [ 4560.171470][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4560.171470][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4560.171470][ T74] netlink_rcv_skb+0x130/0x360 [ 4560.171470][ T74] netlink_unicast+0x449/0x710 [ 4560.171470][ T74] netlink_sendmsg+0x723/0xbe0 [ 4560.171470][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4560.171470][ T74] ___sys_sendmsg+0xee/0x170 [ 4560.171470][ T74] __sys_sendmsg+0xcd/0x170 [ 4560.171470][ T74] do_syscall_64+0xc6/0x1e0 [ 4560.171470][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4560.171470][ T74] [ 4560.173547][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4560.173788][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4560.173788][ T74] netdev_get_by_index+0x5e/0x80 [ 4560.173788][ T74] fib6_nh_init+0x3d8/0x1580 [ 4560.173788][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4560.173788][ T74] ip6_route_add+0x1c/0x140 [ 4560.173788][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4560.173788][ T74] inet6_addr_add+0x4f8/0xa40 [ 4560.173788][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4560.173788][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4560.173788][ T74] netlink_rcv_skb+0x130/0x360 [ 4560.173788][ T74] netlink_unicast+0x449/0x710 [ 4560.173788][ T74] netlink_sendmsg+0x723/0xbe0 [ 4560.173788][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4560.173788][ T74] ___sys_sendmsg+0xee/0x170 [ 4560.173788][ T74] __sys_sendmsg+0xcd/0x170 [ 4560.173788][ T74] do_syscall_64+0xc6/0x1e0 [ 4560.173788][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4560.173788][ T74] [ 4560.176082][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4560.176082][ T74] netdev_get_by_index+0x5e/0x80 [ 4560.176082][ T74] fib6_nh_init+0x3d8/0x1580 [ 4560.176082][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4560.176082][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4560.176082][ T74] ipv6_add_addr+0x411/0x2000 [ 4560.176082][ T74] inet6_addr_add+0x30e/0xa40 [ 4560.176082][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4560.176082][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4560.176082][ T74] netlink_rcv_skb+0x130/0x360 [ 4560.176082][ T74] netlink_unicast+0x449/0x710 [ 4560.176082][ T74] netlink_sendmsg+0x723/0xbe0 [ 4560.176082][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4560.176082][ T74] ___sys_sendmsg+0xee/0x170 [ 4560.176082][ T74] __sys_sendmsg+0xcd/0x170 [ 4560.176082][ T74] do_syscall_64+0xc6/0x1e0 [ 4560.176082][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4560.176082][ T74] [ 4560.178366][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4560.178366][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4560.178366][ T74] ipv6_find_idev+0x102/0x170 [ 4560.178366][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4560.178366][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4560.178366][ T74] netlink_rcv_skb+0x130/0x360 [ 4560.178366][ T74] netlink_unicast+0x449/0x710 [ 4560.178366][ T74] netlink_sendmsg+0x723/0xbe0 [ 4560.178366][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4560.178366][ T74] ___sys_sendmsg+0xee/0x170 [ 4560.178366][ T74] __sys_sendmsg+0xcd/0x170 [ 4560.178366][ T74] do_syscall_64+0xc6/0x1e0 [ 4560.178366][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4560.178366][ T74] [ 4560.180033][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4560.180033][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4560.180033][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4560.180033][ T74] ipv6_find_idev+0x102/0x170 [ 4560.180033][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4560.180033][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4560.180033][ T74] netlink_rcv_skb+0x130/0x360 [ 4560.180033][ T74] netlink_unicast+0x449/0x710 [ 4560.180033][ T74] netlink_sendmsg+0x723/0xbe0 [ 4560.180033][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4560.180033][ T74] ___sys_sendmsg+0xee/0x170 [ 4560.180033][ T74] __sys_sendmsg+0xcd/0x170 [ 4560.180033][ T74] do_syscall_64+0xc6/0x1e0 [ 4560.180033][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4560.180033][ T74] [ 4570.431995][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4570.432418][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4570.432418][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4570.432418][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4570.432418][ T74] fib6_nh_init+0xa22/0x1580 [ 4570.432418][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4570.432418][ T74] ip6_route_add+0x1c/0x140 [ 4570.432418][ T74] inet6_rtm_newroute+0x104/0x110 [ 4570.432418][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4570.432418][ T74] netlink_rcv_skb+0x130/0x360 [ 4570.432418][ T74] netlink_unicast+0x449/0x710 [ 4570.432418][ T74] netlink_sendmsg+0x723/0xbe0 [ 4570.432418][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4570.432418][ T74] ___sys_sendmsg+0xee/0x170 [ 4570.432418][ T74] __sys_sendmsg+0xcd/0x170 [ 4570.432418][ T74] do_syscall_64+0xc6/0x1e0 [ 4570.432418][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4570.432418][ T74] [ 4570.434361][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4570.434361][ T74] netdev_get_by_index+0x5e/0x80 [ 4570.434361][ T74] fib6_nh_init+0x3d8/0x1580 [ 4570.434361][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4570.434361][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4570.434361][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4570.434361][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4570.434361][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4570.434361][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4570.434361][ T74] addrconf_dad_begin+0x310/0x670 [ 4570.434361][ T74] addrconf_dad_work+0x10b/0xab0 [ 4570.434361][ T74] process_one_work+0x84d/0x18a0 [ 4570.434361][ T74] worker_thread+0x587/0xd30 [ 4570.434361][ T74] kthread+0x28a/0x350 [ 4570.434361][ T74] ret_from_fork+0x31/0x70 [ 4570.434361][ T74] ret_from_fork_asm+0x1a/0x30 [ 4570.434361][ T74] [ 4570.436317][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4570.436317][ T74] netdev_get_by_index+0x5e/0x80 [ 4570.436317][ T74] fib6_nh_init+0x3d8/0x1580 [ 4570.436317][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4570.436317][ T74] ip6_route_add+0x1c/0x140 [ 4570.436317][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4570.436317][ T74] inet6_addr_add+0x4f8/0xa40 [ 4570.436317][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4570.436317][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4570.436317][ T74] netlink_rcv_skb+0x130/0x360 [ 4570.436317][ T74] netlink_unicast+0x449/0x710 [ 4570.436317][ T74] netlink_sendmsg+0x723/0xbe0 [ 4570.436317][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4570.436317][ T74] ___sys_sendmsg+0xee/0x170 [ 4570.436317][ T74] __sys_sendmsg+0xcd/0x170 [ 4570.436317][ T74] do_syscall_64+0xc6/0x1e0 [ 4570.436317][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4570.436317][ T74] [ 4570.438351][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4570.438351][ T74] netdev_get_by_index+0x5e/0x80 [ 4570.438351][ T74] fib6_nh_init+0x3d8/0x1580 [ 4570.438351][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4570.438351][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4570.438351][ T74] ipv6_add_addr+0x411/0x2000 [ 4570.438351][ T74] inet6_addr_add+0x30e/0xa40 [ 4570.438351][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4570.438351][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4570.438351][ T74] netlink_rcv_skb+0x130/0x360 [ 4570.438351][ T74] netlink_unicast+0x449/0x710 [ 4570.438351][ T74] netlink_sendmsg+0x723/0xbe0 [ 4570.438351][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4570.438351][ T74] ___sys_sendmsg+0xee/0x170 [ 4570.438351][ T74] __sys_sendmsg+0xcd/0x170 [ 4570.438351][ T74] do_syscall_64+0xc6/0x1e0 [ 4570.438351][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4570.438351][ T74] [ 4570.440376][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4570.440376][ T74] netdev_get_by_index+0x5e/0x80 [ 4570.440376][ T74] fib6_nh_init+0x3d8/0x1580 [ 4570.440376][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4570.440376][ T74] ip6_route_add+0x1c/0x140 [ 4570.440376][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4570.440376][ T74] addrconf_add_dev+0xe2/0x170 [ 4570.440376][ T74] inet6_addr_add+0x12f/0xa40 [ 4570.440376][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4570.440376][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4570.440376][ T74] netlink_rcv_skb+0x130/0x360 [ 4570.440376][ T74] netlink_unicast+0x449/0x710 [ 4570.440376][ T74] netlink_sendmsg+0x723/0xbe0 [ 4570.440376][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4570.440376][ T74] ___sys_sendmsg+0xee/0x170 [ 4570.440376][ T74] __sys_sendmsg+0xcd/0x170 [ 4570.440376][ T74] do_syscall_64+0xc6/0x1e0 [ 4570.440376][ T74] [ 4570.442360][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4570.442360][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4570.442360][ T74] ipv6_find_idev+0x102/0x170 [ 4570.442360][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4570.442360][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4570.442360][ T74] netlink_rcv_skb+0x130/0x360 [ 4570.442360][ T74] netlink_unicast+0x449/0x710 [ 4570.442360][ T74] netlink_sendmsg+0x723/0xbe0 [ 4570.442360][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4570.442360][ T74] ___sys_sendmsg+0xee/0x170 [ 4570.442360][ T74] __sys_sendmsg+0xcd/0x170 [ 4570.442360][ T74] do_syscall_64+0xc6/0x1e0 [ 4570.442360][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4570.442360][ T74] [ 4570.443917][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4570.443917][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4570.443917][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4570.443917][ T74] ipv6_find_idev+0x102/0x170 [ 4570.443917][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4570.443917][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4570.443917][ T74] netlink_rcv_skb+0x130/0x360 [ 4570.443917][ T74] netlink_unicast+0x449/0x710 [ 4570.443917][ T74] netlink_sendmsg+0x723/0xbe0 [ 4570.443917][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4570.443917][ T74] ___sys_sendmsg+0xee/0x170 [ 4570.443917][ T74] __sys_sendmsg+0xcd/0x170 [ 4570.443917][ T74] do_syscall_64+0xc6/0x1e0 [ 4570.443917][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4570.443917][ T74] [ 4570.445627][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4570.445916][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4570.445916][ T74] dst_init+0x84/0x4a0 [ 4570.445916][ T74] dst_alloc+0x97/0x150 [ 4570.445916][ T74] ip6_dst_alloc+0x23/0x90 [ 4570.445916][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4570.445916][ T74] ip6_pol_route+0x56f/0x840 [ 4570.445916][ T74] fib6_rule_lookup+0x456/0x630 [ 4570.445916][ T74] ip6_route_input+0x59c/0xa50 [ 4570.445916][ T74] ipv6_rcv+0x397/0x810 [ 4570.445916][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4570.445916][ T74] process_backlog+0x101/0x620 [ 4570.445916][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4570.445916][ T74] net_rx_action+0x495/0xbe0 [ 4570.445916][ T74] __do_softirq+0x1b5/0x7f6 [ 4570.445916][ T74] [ 4570.447611][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4570.447611][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4570.447611][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4570.447611][ T74] fib6_nh_init+0xa22/0x1580 [ 4570.447611][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4570.447611][ T74] ip6_route_add+0x1c/0x140 [ 4570.447611][ T74] inet6_rtm_newroute+0x104/0x110 [ 4570.447611][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4570.447611][ T74] netlink_rcv_skb+0x130/0x360 [ 4570.447611][ T74] netlink_unicast+0x449/0x710 [ 4570.447611][ T74] netlink_sendmsg+0x723/0xbe0 [ 4570.447611][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4570.447611][ T74] ___sys_sendmsg+0xee/0x170 [ 4570.447611][ T74] __sys_sendmsg+0xcd/0x170 [ 4570.447611][ T74] do_syscall_64+0xc6/0x1e0 [ 4570.447611][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4570.447611][ T74] [ 4570.449513][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4570.449513][ T74] netdev_get_by_index+0x5e/0x80 [ 4570.449513][ T74] fib6_nh_init+0x3d8/0x1580 [ 4570.449513][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4570.449513][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4570.449513][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4570.449513][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4570.449513][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4570.449513][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4570.449513][ T74] addrconf_dad_begin+0x310/0x670 [ 4570.449513][ T74] addrconf_dad_work+0x10b/0xab0 [ 4570.449513][ T74] process_one_work+0x84d/0x18a0 [ 4570.449513][ T74] worker_thread+0x587/0xd30 [ 4570.449513][ T74] kthread+0x28a/0x350 [ 4570.449513][ T74] ret_from_fork+0x31/0x70 [ 4570.449513][ T74] ret_from_fork_asm+0x1a/0x30 [ 4570.449513][ T74] [ 4570.451483][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4570.451483][ T74] netdev_get_by_index+0x5e/0x80 [ 4570.451483][ T74] fib6_nh_init+0x3d8/0x1580 [ 4570.451483][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4570.451483][ T74] ip6_route_add+0x1c/0x140 [ 4570.451483][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4570.451483][ T74] inet6_addr_add+0x4f8/0xa40 [ 4570.451483][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4570.451483][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4570.451483][ T74] netlink_rcv_skb+0x130/0x360 [ 4570.451483][ T74] netlink_unicast+0x449/0x710 [ 4570.451483][ T74] netlink_sendmsg+0x723/0xbe0 [ 4570.451483][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4570.451483][ T74] ___sys_sendmsg+0xee/0x170 [ 4570.451483][ T74] __sys_sendmsg+0xcd/0x170 [ 4570.451483][ T74] do_syscall_64+0xc6/0x1e0 [ 4570.451483][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4570.451483][ T74] [ 4570.453505][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4570.453505][ T74] netdev_get_by_index+0x5e/0x80 [ 4570.453505][ T74] fib6_nh_init+0x3d8/0x1580 [ 4570.453505][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4570.453505][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4570.453505][ T74] ipv6_add_addr+0x411/0x2000 [ 4570.453505][ T74] inet6_addr_add+0x30e/0xa40 [ 4570.453505][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4570.453505][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4570.453505][ T74] netlink_rcv_skb+0x130/0x360 [ 4570.453505][ T74] netlink_unicast+0x449/0x710 [ 4570.453505][ T74] netlink_sendmsg+0x723/0xbe0 [ 4570.453505][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4570.453505][ T74] ___sys_sendmsg+0xee/0x170 [ 4570.453505][ T74] __sys_sendmsg+0xcd/0x170 [ 4570.453505][ T74] do_syscall_64+0xc6/0x1e0 [ 4570.453505][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4570.453505][ T74] [ 4570.455534][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4570.455534][ T74] netdev_get_by_index+0x5e/0x80 [ 4570.455534][ T74] fib6_nh_init+0x3d8/0x1580 [ 4570.455534][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4570.455534][ T74] ip6_route_add+0x1c/0x140 [ 4570.455534][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4570.455534][ T74] addrconf_add_dev+0xe2/0x170 [ 4570.455534][ T74] inet6_addr_add+0x12f/0xa40 [ 4570.455534][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4570.455534][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4570.455534][ T74] netlink_rcv_skb+0x130/0x360 [ 4570.455534][ T74] netlink_unicast+0x449/0x710 [ 4570.455534][ T74] netlink_sendmsg+0x723/0xbe0 [ 4570.455534][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4570.455534][ T74] ___sys_sendmsg+0xee/0x170 [ 4570.455534][ T74] __sys_sendmsg+0xcd/0x170 [ 4570.455534][ T74] do_syscall_64+0xc6/0x1e0 [ 4570.455534][ T74] [ 4570.457524][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4570.457524][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4570.457524][ T74] ipv6_find_idev+0x102/0x170 [ 4570.457524][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4570.457524][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4570.457524][ T74] netlink_rcv_skb+0x130/0x360 [ 4570.457524][ T74] netlink_unicast+0x449/0x710 [ 4570.457524][ T74] netlink_sendmsg+0x723/0xbe0 [ 4570.457524][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4570.457524][ T74] ___sys_sendmsg+0xee/0x170 [ 4570.457524][ T74] __sys_sendmsg+0xcd/0x170 [ 4570.457524][ T74] do_syscall_64+0xc6/0x1e0 [ 4570.457524][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4570.457524][ T74] [ 4570.459298][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4570.459298][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4570.459298][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4570.459298][ T74] ipv6_find_idev+0x102/0x170 [ 4570.459298][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4570.459298][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4570.459298][ T74] netlink_rcv_skb+0x130/0x360 [ 4570.459298][ T74] netlink_unicast+0x449/0x710 [ 4570.459298][ T74] netlink_sendmsg+0x723/0xbe0 [ 4570.459298][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4570.459298][ T74] ___sys_sendmsg+0xee/0x170 [ 4570.459298][ T74] __sys_sendmsg+0xcd/0x170 [ 4570.459298][ T74] do_syscall_64+0xc6/0x1e0 [ 4570.459298][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4570.459298][ T74] [ 4570.461326][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4570.461576][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4570.461576][ T74] netdev_get_by_index+0x5e/0x80 [ 4570.461576][ T74] fib6_nh_init+0x3d8/0x1580 [ 4570.461576][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4570.461576][ T74] ip6_route_add+0x1c/0x140 [ 4570.461576][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4570.461576][ T74] inet6_addr_add+0x4f8/0xa40 [ 4570.461576][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4570.461576][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4570.461576][ T74] netlink_rcv_skb+0x130/0x360 [ 4570.461576][ T74] netlink_unicast+0x449/0x710 [ 4570.461576][ T74] netlink_sendmsg+0x723/0xbe0 [ 4570.461576][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4570.461576][ T74] ___sys_sendmsg+0xee/0x170 [ 4570.461576][ T74] __sys_sendmsg+0xcd/0x170 [ 4570.461576][ T74] do_syscall_64+0xc6/0x1e0 [ 4570.461576][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4570.461576][ T74] [ 4570.463843][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4570.463843][ T74] netdev_get_by_index+0x5e/0x80 [ 4570.463843][ T74] fib6_nh_init+0x3d8/0x1580 [ 4570.463843][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4570.463843][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4570.463843][ T74] ipv6_add_addr+0x411/0x2000 [ 4570.463843][ T74] inet6_addr_add+0x30e/0xa40 [ 4570.463843][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4570.463843][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4570.463843][ T74] netlink_rcv_skb+0x130/0x360 [ 4570.463843][ T74] netlink_unicast+0x449/0x710 [ 4570.463843][ T74] netlink_sendmsg+0x723/0xbe0 [ 4570.463843][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4570.463843][ T74] ___sys_sendmsg+0xee/0x170 [ 4570.463843][ T74] __sys_sendmsg+0xcd/0x170 [ 4570.463843][ T74] do_syscall_64+0xc6/0x1e0 [ 4570.463843][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4570.463843][ T74] [ 4570.466116][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4570.466116][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4570.466116][ T74] ipv6_find_idev+0x102/0x170 [ 4570.466116][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4570.466116][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4570.466116][ T74] netlink_rcv_skb+0x130/0x360 [ 4570.466116][ T74] netlink_unicast+0x449/0x710 [ 4570.466116][ T74] netlink_sendmsg+0x723/0xbe0 [ 4570.466116][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4570.466116][ T74] ___sys_sendmsg+0xee/0x170 [ 4570.466116][ T74] __sys_sendmsg+0xcd/0x170 [ 4570.466116][ T74] do_syscall_64+0xc6/0x1e0 [ 4570.466116][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4570.466116][ T74] [ 4570.467810][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4570.467810][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4570.467810][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4570.467810][ T74] ipv6_find_idev+0x102/0x170 [ 4570.467810][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4570.467810][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4570.467810][ T74] netlink_rcv_skb+0x130/0x360 [ 4570.467810][ T74] netlink_unicast+0x449/0x710 [ 4570.467810][ T74] netlink_sendmsg+0x723/0xbe0 [ 4570.467810][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4570.467810][ T74] ___sys_sendmsg+0xee/0x170 [ 4570.467810][ T74] __sys_sendmsg+0xcd/0x170 [ 4570.467810][ T74] do_syscall_64+0xc6/0x1e0 [ 4570.467810][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4570.467810][ T74] [ 4580.471956][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4580.472382][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4580.472382][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4580.472382][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4580.472382][ T74] fib6_nh_init+0xa22/0x1580 [ 4580.472382][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4580.472382][ T74] ip6_route_add+0x1c/0x140 [ 4580.472382][ T74] inet6_rtm_newroute+0x104/0x110 [ 4580.472382][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4580.472382][ T74] netlink_rcv_skb+0x130/0x360 [ 4580.472382][ T74] netlink_unicast+0x449/0x710 [ 4580.472382][ T74] netlink_sendmsg+0x723/0xbe0 [ 4580.472382][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4580.472382][ T74] ___sys_sendmsg+0xee/0x170 [ 4580.472382][ T74] __sys_sendmsg+0xcd/0x170 [ 4580.472382][ T74] do_syscall_64+0xc6/0x1e0 [ 4580.472382][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4580.472382][ T74] [ 4580.474311][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4580.474311][ T74] netdev_get_by_index+0x5e/0x80 [ 4580.474311][ T74] fib6_nh_init+0x3d8/0x1580 [ 4580.474311][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4580.474311][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4580.474311][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4580.474311][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4580.474311][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4580.474311][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4580.474311][ T74] addrconf_dad_begin+0x310/0x670 [ 4580.474311][ T74] addrconf_dad_work+0x10b/0xab0 [ 4580.474311][ T74] process_one_work+0x84d/0x18a0 [ 4580.474311][ T74] worker_thread+0x587/0xd30 [ 4580.474311][ T74] kthread+0x28a/0x350 [ 4580.474311][ T74] ret_from_fork+0x31/0x70 [ 4580.474311][ T74] ret_from_fork_asm+0x1a/0x30 [ 4580.474311][ T74] [ 4580.476253][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4580.476253][ T74] netdev_get_by_index+0x5e/0x80 [ 4580.476253][ T74] fib6_nh_init+0x3d8/0x1580 [ 4580.476253][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4580.476253][ T74] ip6_route_add+0x1c/0x140 [ 4580.476253][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4580.476253][ T74] inet6_addr_add+0x4f8/0xa40 [ 4580.476253][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4580.476253][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4580.476253][ T74] netlink_rcv_skb+0x130/0x360 [ 4580.476253][ T74] netlink_unicast+0x449/0x710 [ 4580.476253][ T74] netlink_sendmsg+0x723/0xbe0 [ 4580.476253][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4580.476253][ T74] ___sys_sendmsg+0xee/0x170 [ 4580.476253][ T74] __sys_sendmsg+0xcd/0x170 [ 4580.476253][ T74] do_syscall_64+0xc6/0x1e0 [ 4580.476253][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4580.476253][ T74] [ 4580.478304][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4580.478304][ T74] netdev_get_by_index+0x5e/0x80 [ 4580.478304][ T74] fib6_nh_init+0x3d8/0x1580 [ 4580.478304][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4580.478304][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4580.478304][ T74] ipv6_add_addr+0x411/0x2000 [ 4580.478304][ T74] inet6_addr_add+0x30e/0xa40 [ 4580.478304][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4580.478304][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4580.478304][ T74] netlink_rcv_skb+0x130/0x360 [ 4580.478304][ T74] netlink_unicast+0x449/0x710 [ 4580.478304][ T74] netlink_sendmsg+0x723/0xbe0 [ 4580.478304][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4580.478304][ T74] ___sys_sendmsg+0xee/0x170 [ 4580.478304][ T74] __sys_sendmsg+0xcd/0x170 [ 4580.478304][ T74] do_syscall_64+0xc6/0x1e0 [ 4580.478304][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4580.478304][ T74] [ 4580.480330][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4580.480330][ T74] netdev_get_by_index+0x5e/0x80 [ 4580.480330][ T74] fib6_nh_init+0x3d8/0x1580 [ 4580.480330][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4580.480330][ T74] ip6_route_add+0x1c/0x140 [ 4580.480330][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4580.480330][ T74] addrconf_add_dev+0xe2/0x170 [ 4580.480330][ T74] inet6_addr_add+0x12f/0xa40 [ 4580.480330][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4580.480330][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4580.480330][ T74] netlink_rcv_skb+0x130/0x360 [ 4580.480330][ T74] netlink_unicast+0x449/0x710 [ 4580.480330][ T74] netlink_sendmsg+0x723/0xbe0 [ 4580.480330][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4580.480330][ T74] ___sys_sendmsg+0xee/0x170 [ 4580.480330][ T74] __sys_sendmsg+0xcd/0x170 [ 4580.480330][ T74] do_syscall_64+0xc6/0x1e0 [ 4580.480330][ T74] [ 4580.482333][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4580.482333][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4580.482333][ T74] ipv6_find_idev+0x102/0x170 [ 4580.482333][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4580.482333][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4580.482333][ T74] netlink_rcv_skb+0x130/0x360 [ 4580.482333][ T74] netlink_unicast+0x449/0x710 [ 4580.482333][ T74] netlink_sendmsg+0x723/0xbe0 [ 4580.482333][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4580.482333][ T74] ___sys_sendmsg+0xee/0x170 [ 4580.482333][ T74] __sys_sendmsg+0xcd/0x170 [ 4580.482333][ T74] do_syscall_64+0xc6/0x1e0 [ 4580.482333][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4580.482333][ T74] [ 4580.483910][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4580.483910][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4580.483910][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4580.483910][ T74] ipv6_find_idev+0x102/0x170 [ 4580.483910][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4580.483910][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4580.483910][ T74] netlink_rcv_skb+0x130/0x360 [ 4580.483910][ T74] netlink_unicast+0x449/0x710 [ 4580.483910][ T74] netlink_sendmsg+0x723/0xbe0 [ 4580.483910][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4580.483910][ T74] ___sys_sendmsg+0xee/0x170 [ 4580.483910][ T74] __sys_sendmsg+0xcd/0x170 [ 4580.483910][ T74] do_syscall_64+0xc6/0x1e0 [ 4580.483910][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4580.483910][ T74] [ 4580.485617][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4580.485893][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4580.485893][ T74] dst_init+0x84/0x4a0 [ 4580.485893][ T74] dst_alloc+0x97/0x150 [ 4580.485893][ T74] ip6_dst_alloc+0x23/0x90 [ 4580.485893][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4580.485893][ T74] ip6_pol_route+0x56f/0x840 [ 4580.485893][ T74] fib6_rule_lookup+0x456/0x630 [ 4580.485893][ T74] ip6_route_input+0x59c/0xa50 [ 4580.485893][ T74] ipv6_rcv+0x397/0x810 [ 4580.485893][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4580.485893][ T74] process_backlog+0x101/0x620 [ 4580.485893][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4580.485893][ T74] net_rx_action+0x495/0xbe0 [ 4580.485893][ T74] __do_softirq+0x1b5/0x7f6 [ 4580.485893][ T74] [ 4580.487555][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4580.487555][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4580.487555][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4580.487555][ T74] fib6_nh_init+0xa22/0x1580 [ 4580.487555][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4580.487555][ T74] ip6_route_add+0x1c/0x140 [ 4580.487555][ T74] inet6_rtm_newroute+0x104/0x110 [ 4580.487555][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4580.487555][ T74] netlink_rcv_skb+0x130/0x360 [ 4580.487555][ T74] netlink_unicast+0x449/0x710 [ 4580.487555][ T74] netlink_sendmsg+0x723/0xbe0 [ 4580.487555][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4580.487555][ T74] ___sys_sendmsg+0xee/0x170 [ 4580.487555][ T74] __sys_sendmsg+0xcd/0x170 [ 4580.487555][ T74] do_syscall_64+0xc6/0x1e0 [ 4580.487555][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4580.487555][ T74] [ 4580.489511][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4580.489511][ T74] netdev_get_by_index+0x5e/0x80 [ 4580.489511][ T74] fib6_nh_init+0x3d8/0x1580 [ 4580.489511][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4580.489511][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4580.489511][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4580.489511][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4580.489511][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4580.489511][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4580.489511][ T74] addrconf_dad_begin+0x310/0x670 [ 4580.489511][ T74] addrconf_dad_work+0x10b/0xab0 [ 4580.489511][ T74] process_one_work+0x84d/0x18a0 [ 4580.489511][ T74] worker_thread+0x587/0xd30 [ 4580.489511][ T74] kthread+0x28a/0x350 [ 4580.489511][ T74] ret_from_fork+0x31/0x70 [ 4580.489511][ T74] ret_from_fork_asm+0x1a/0x30 [ 4580.489511][ T74] [ 4580.491492][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4580.491492][ T74] netdev_get_by_index+0x5e/0x80 [ 4580.491492][ T74] fib6_nh_init+0x3d8/0x1580 [ 4580.491492][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4580.491492][ T74] ip6_route_add+0x1c/0x140 [ 4580.491492][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4580.491492][ T74] inet6_addr_add+0x4f8/0xa40 [ 4580.491492][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4580.491492][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4580.491492][ T74] netlink_rcv_skb+0x130/0x360 [ 4580.491492][ T74] netlink_unicast+0x449/0x710 [ 4580.491492][ T74] netlink_sendmsg+0x723/0xbe0 [ 4580.491492][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4580.491492][ T74] ___sys_sendmsg+0xee/0x170 [ 4580.491492][ T74] __sys_sendmsg+0xcd/0x170 [ 4580.491492][ T74] do_syscall_64+0xc6/0x1e0 [ 4580.491492][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4580.491492][ T74] [ 4580.493545][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4580.493545][ T74] netdev_get_by_index+0x5e/0x80 [ 4580.493545][ T74] fib6_nh_init+0x3d8/0x1580 [ 4580.493545][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4580.493545][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4580.493545][ T74] ipv6_add_addr+0x411/0x2000 [ 4580.493545][ T74] inet6_addr_add+0x30e/0xa40 [ 4580.493545][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4580.493545][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4580.493545][ T74] netlink_rcv_skb+0x130/0x360 [ 4580.493545][ T74] netlink_unicast+0x449/0x710 [ 4580.493545][ T74] netlink_sendmsg+0x723/0xbe0 [ 4580.493545][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4580.493545][ T74] ___sys_sendmsg+0xee/0x170 [ 4580.493545][ T74] __sys_sendmsg+0xcd/0x170 [ 4580.493545][ T74] do_syscall_64+0xc6/0x1e0 [ 4580.493545][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4580.493545][ T74] [ 4580.495603][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4580.495603][ T74] netdev_get_by_index+0x5e/0x80 [ 4580.495603][ T74] fib6_nh_init+0x3d8/0x1580 [ 4580.495603][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4580.495603][ T74] ip6_route_add+0x1c/0x140 [ 4580.495603][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4580.495603][ T74] addrconf_add_dev+0xe2/0x170 [ 4580.495603][ T74] inet6_addr_add+0x12f/0xa40 [ 4580.495603][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4580.495603][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4580.495603][ T74] netlink_rcv_skb+0x130/0x360 [ 4580.495603][ T74] netlink_unicast+0x449/0x710 [ 4580.495603][ T74] netlink_sendmsg+0x723/0xbe0 [ 4580.495603][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4580.495603][ T74] ___sys_sendmsg+0xee/0x170 [ 4580.495603][ T74] __sys_sendmsg+0xcd/0x170 [ 4580.495603][ T74] do_syscall_64+0xc6/0x1e0 [ 4580.495603][ T74] [ 4580.497609][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4580.497609][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4580.497609][ T74] ipv6_find_idev+0x102/0x170 [ 4580.497609][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4580.497609][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4580.497609][ T74] netlink_rcv_skb+0x130/0x360 [ 4580.497609][ T74] netlink_unicast+0x449/0x710 [ 4580.497609][ T74] netlink_sendmsg+0x723/0xbe0 [ 4580.497609][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4580.497609][ T74] ___sys_sendmsg+0xee/0x170 [ 4580.497609][ T74] __sys_sendmsg+0xcd/0x170 [ 4580.497609][ T74] do_syscall_64+0xc6/0x1e0 [ 4580.497609][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4580.497609][ T74] [ 4580.499265][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4580.499265][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4580.499265][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4580.499265][ T74] ipv6_find_idev+0x102/0x170 [ 4580.499265][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4580.499265][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4580.499265][ T74] netlink_rcv_skb+0x130/0x360 [ 4580.499265][ T74] netlink_unicast+0x449/0x710 [ 4580.499265][ T74] netlink_sendmsg+0x723/0xbe0 [ 4580.499265][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4580.499265][ T74] ___sys_sendmsg+0xee/0x170 [ 4580.499265][ T74] __sys_sendmsg+0xcd/0x170 [ 4580.499265][ T74] do_syscall_64+0xc6/0x1e0 [ 4580.499265][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4580.499265][ T74] [ 4580.501215][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4580.501473][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4580.501473][ T74] netdev_get_by_index+0x5e/0x80 [ 4580.501473][ T74] fib6_nh_init+0x3d8/0x1580 [ 4580.501473][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4580.501473][ T74] ip6_route_add+0x1c/0x140 [ 4580.501473][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4580.501473][ T74] inet6_addr_add+0x4f8/0xa40 [ 4580.501473][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4580.501473][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4580.501473][ T74] netlink_rcv_skb+0x130/0x360 [ 4580.501473][ T74] netlink_unicast+0x449/0x710 [ 4580.501473][ T74] netlink_sendmsg+0x723/0xbe0 [ 4580.501473][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4580.501473][ T74] ___sys_sendmsg+0xee/0x170 [ 4580.501473][ T74] __sys_sendmsg+0xcd/0x170 [ 4580.501473][ T74] do_syscall_64+0xc6/0x1e0 [ 4580.501473][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4580.501473][ T74] [ 4580.503653][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4580.503653][ T74] netdev_get_by_index+0x5e/0x80 [ 4580.503653][ T74] fib6_nh_init+0x3d8/0x1580 [ 4580.503653][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4580.503653][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4580.503653][ T74] ipv6_add_addr+0x411/0x2000 [ 4580.503653][ T74] inet6_addr_add+0x30e/0xa40 [ 4580.503653][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4580.503653][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4580.503653][ T74] netlink_rcv_skb+0x130/0x360 [ 4580.503653][ T74] netlink_unicast+0x449/0x710 [ 4580.503653][ T74] netlink_sendmsg+0x723/0xbe0 [ 4580.503653][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4580.503653][ T74] ___sys_sendmsg+0xee/0x170 [ 4580.503653][ T74] __sys_sendmsg+0xcd/0x170 [ 4580.503653][ T74] do_syscall_64+0xc6/0x1e0 [ 4580.503653][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4580.503653][ T74] [ 4580.505832][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4580.505832][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4580.505832][ T74] ipv6_find_idev+0x102/0x170 [ 4580.505832][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4580.505832][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4580.505832][ T74] netlink_rcv_skb+0x130/0x360 [ 4580.505832][ T74] netlink_unicast+0x449/0x710 [ 4580.505832][ T74] netlink_sendmsg+0x723/0xbe0 [ 4580.505832][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4580.505832][ T74] ___sys_sendmsg+0xee/0x170 [ 4580.505832][ T74] __sys_sendmsg+0xcd/0x170 [ 4580.505832][ T74] do_syscall_64+0xc6/0x1e0 [ 4580.505832][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4580.505832][ T74] [ 4580.507485][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4580.507485][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4580.507485][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4580.507485][ T74] ipv6_find_idev+0x102/0x170 [ 4580.507485][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4580.507485][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4580.507485][ T74] netlink_rcv_skb+0x130/0x360 [ 4580.507485][ T74] netlink_unicast+0x449/0x710 [ 4580.507485][ T74] netlink_sendmsg+0x723/0xbe0 [ 4580.507485][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4580.507485][ T74] ___sys_sendmsg+0xee/0x170 [ 4580.507485][ T74] __sys_sendmsg+0xcd/0x170 [ 4580.507485][ T74] do_syscall_64+0xc6/0x1e0 [ 4580.507485][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4580.507485][ T74] [ 4590.591989][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4590.592426][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4590.592426][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4590.592426][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4590.592426][ T74] fib6_nh_init+0xa22/0x1580 [ 4590.592426][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4590.592426][ T74] ip6_route_add+0x1c/0x140 [ 4590.592426][ T74] inet6_rtm_newroute+0x104/0x110 [ 4590.592426][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4590.592426][ T74] netlink_rcv_skb+0x130/0x360 [ 4590.592426][ T74] netlink_unicast+0x449/0x710 [ 4590.592426][ T74] netlink_sendmsg+0x723/0xbe0 [ 4590.592426][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4590.592426][ T74] ___sys_sendmsg+0xee/0x170 [ 4590.592426][ T74] __sys_sendmsg+0xcd/0x170 [ 4590.592426][ T74] do_syscall_64+0xc6/0x1e0 [ 4590.592426][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4590.592426][ T74] [ 4590.594374][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4590.594374][ T74] netdev_get_by_index+0x5e/0x80 [ 4590.594374][ T74] fib6_nh_init+0x3d8/0x1580 [ 4590.594374][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4590.594374][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4590.594374][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4590.594374][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4590.594374][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4590.594374][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4590.594374][ T74] addrconf_dad_begin+0x310/0x670 [ 4590.594374][ T74] addrconf_dad_work+0x10b/0xab0 [ 4590.594374][ T74] process_one_work+0x84d/0x18a0 [ 4590.594374][ T74] worker_thread+0x587/0xd30 [ 4590.594374][ T74] kthread+0x28a/0x350 [ 4590.594374][ T74] ret_from_fork+0x31/0x70 [ 4590.594374][ T74] ret_from_fork_asm+0x1a/0x30 [ 4590.594374][ T74] [ 4590.596329][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4590.596329][ T74] netdev_get_by_index+0x5e/0x80 [ 4590.596329][ T74] fib6_nh_init+0x3d8/0x1580 [ 4590.596329][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4590.596329][ T74] ip6_route_add+0x1c/0x140 [ 4590.596329][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4590.596329][ T74] inet6_addr_add+0x4f8/0xa40 [ 4590.596329][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4590.596329][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4590.596329][ T74] netlink_rcv_skb+0x130/0x360 [ 4590.596329][ T74] netlink_unicast+0x449/0x710 [ 4590.596329][ T74] netlink_sendmsg+0x723/0xbe0 [ 4590.596329][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4590.596329][ T74] ___sys_sendmsg+0xee/0x170 [ 4590.596329][ T74] __sys_sendmsg+0xcd/0x170 [ 4590.596329][ T74] do_syscall_64+0xc6/0x1e0 [ 4590.596329][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4590.596329][ T74] [ 4590.598373][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4590.598373][ T74] netdev_get_by_index+0x5e/0x80 [ 4590.598373][ T74] fib6_nh_init+0x3d8/0x1580 [ 4590.598373][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4590.598373][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4590.598373][ T74] ipv6_add_addr+0x411/0x2000 [ 4590.598373][ T74] inet6_addr_add+0x30e/0xa40 [ 4590.598373][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4590.598373][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4590.598373][ T74] netlink_rcv_skb+0x130/0x360 [ 4590.598373][ T74] netlink_unicast+0x449/0x710 [ 4590.598373][ T74] netlink_sendmsg+0x723/0xbe0 [ 4590.598373][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4590.598373][ T74] ___sys_sendmsg+0xee/0x170 [ 4590.598373][ T74] __sys_sendmsg+0xcd/0x170 [ 4590.598373][ T74] do_syscall_64+0xc6/0x1e0 [ 4590.598373][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4590.598373][ T74] [ 4590.600402][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4590.600402][ T74] netdev_get_by_index+0x5e/0x80 [ 4590.600402][ T74] fib6_nh_init+0x3d8/0x1580 [ 4590.600402][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4590.600402][ T74] ip6_route_add+0x1c/0x140 [ 4590.600402][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4590.600402][ T74] addrconf_add_dev+0xe2/0x170 [ 4590.600402][ T74] inet6_addr_add+0x12f/0xa40 [ 4590.600402][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4590.600402][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4590.600402][ T74] netlink_rcv_skb+0x130/0x360 [ 4590.600402][ T74] netlink_unicast+0x449/0x710 [ 4590.600402][ T74] netlink_sendmsg+0x723/0xbe0 [ 4590.600402][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4590.600402][ T74] ___sys_sendmsg+0xee/0x170 [ 4590.600402][ T74] __sys_sendmsg+0xcd/0x170 [ 4590.600402][ T74] do_syscall_64+0xc6/0x1e0 [ 4590.600402][ T74] [ 4590.602405][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4590.602405][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4590.602405][ T74] ipv6_find_idev+0x102/0x170 [ 4590.602405][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4590.602405][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4590.602405][ T74] netlink_rcv_skb+0x130/0x360 [ 4590.602405][ T74] netlink_unicast+0x449/0x710 [ 4590.602405][ T74] netlink_sendmsg+0x723/0xbe0 [ 4590.602405][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4590.602405][ T74] ___sys_sendmsg+0xee/0x170 [ 4590.602405][ T74] __sys_sendmsg+0xcd/0x170 [ 4590.602405][ T74] do_syscall_64+0xc6/0x1e0 [ 4590.602405][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4590.602405][ T74] [ 4590.603980][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4590.603980][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4590.603980][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4590.603980][ T74] ipv6_find_idev+0x102/0x170 [ 4590.603980][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4590.603980][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4590.603980][ T74] netlink_rcv_skb+0x130/0x360 [ 4590.603980][ T74] netlink_unicast+0x449/0x710 [ 4590.603980][ T74] netlink_sendmsg+0x723/0xbe0 [ 4590.603980][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4590.603980][ T74] ___sys_sendmsg+0xee/0x170 [ 4590.603980][ T74] __sys_sendmsg+0xcd/0x170 [ 4590.603980][ T74] do_syscall_64+0xc6/0x1e0 [ 4590.603980][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4590.603980][ T74] [ 4590.605701][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4590.605998][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4590.605998][ T74] dst_init+0x84/0x4a0 [ 4590.605998][ T74] dst_alloc+0x97/0x150 [ 4590.605998][ T74] ip6_dst_alloc+0x23/0x90 [ 4590.605998][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4590.605998][ T74] ip6_pol_route+0x56f/0x840 [ 4590.605998][ T74] fib6_rule_lookup+0x456/0x630 [ 4590.605998][ T74] ip6_route_input+0x59c/0xa50 [ 4590.605998][ T74] ipv6_rcv+0x397/0x810 [ 4590.605998][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4590.605998][ T74] process_backlog+0x101/0x620 [ 4590.605998][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4590.605998][ T74] net_rx_action+0x495/0xbe0 [ 4590.605998][ T74] __do_softirq+0x1b5/0x7f6 [ 4590.605998][ T74] [ 4590.607690][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4590.607690][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4590.607690][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4590.607690][ T74] fib6_nh_init+0xa22/0x1580 [ 4590.607690][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4590.607690][ T74] ip6_route_add+0x1c/0x140 [ 4590.607690][ T74] inet6_rtm_newroute+0x104/0x110 [ 4590.607690][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4590.607690][ T74] netlink_rcv_skb+0x130/0x360 [ 4590.607690][ T74] netlink_unicast+0x449/0x710 [ 4590.607690][ T74] netlink_sendmsg+0x723/0xbe0 [ 4590.607690][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4590.607690][ T74] ___sys_sendmsg+0xee/0x170 [ 4590.607690][ T74] __sys_sendmsg+0xcd/0x170 [ 4590.607690][ T74] do_syscall_64+0xc6/0x1e0 [ 4590.607690][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4590.607690][ T74] [ 4590.609593][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4590.609593][ T74] netdev_get_by_index+0x5e/0x80 [ 4590.609593][ T74] fib6_nh_init+0x3d8/0x1580 [ 4590.609593][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4590.609593][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4590.609593][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4590.609593][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4590.609593][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4590.609593][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4590.609593][ T74] addrconf_dad_begin+0x310/0x670 [ 4590.609593][ T74] addrconf_dad_work+0x10b/0xab0 [ 4590.609593][ T74] process_one_work+0x84d/0x18a0 [ 4590.609593][ T74] worker_thread+0x587/0xd30 [ 4590.609593][ T74] kthread+0x28a/0x350 [ 4590.609593][ T74] ret_from_fork+0x31/0x70 [ 4590.609593][ T74] ret_from_fork_asm+0x1a/0x30 [ 4590.609593][ T74] [ 4590.611542][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4590.611542][ T74] netdev_get_by_index+0x5e/0x80 [ 4590.611542][ T74] fib6_nh_init+0x3d8/0x1580 [ 4590.611542][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4590.611542][ T74] ip6_route_add+0x1c/0x140 [ 4590.611542][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4590.611542][ T74] inet6_addr_add+0x4f8/0xa40 [ 4590.611542][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4590.611542][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4590.611542][ T74] netlink_rcv_skb+0x130/0x360 [ 4590.611542][ T74] netlink_unicast+0x449/0x710 [ 4590.611542][ T74] netlink_sendmsg+0x723/0xbe0 [ 4590.611542][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4590.611542][ T74] ___sys_sendmsg+0xee/0x170 [ 4590.611542][ T74] __sys_sendmsg+0xcd/0x170 [ 4590.611542][ T74] do_syscall_64+0xc6/0x1e0 [ 4590.611542][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4590.611542][ T74] [ 4590.613570][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4590.613570][ T74] netdev_get_by_index+0x5e/0x80 [ 4590.613570][ T74] fib6_nh_init+0x3d8/0x1580 [ 4590.613570][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4590.613570][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4590.613570][ T74] ipv6_add_addr+0x411/0x2000 [ 4590.613570][ T74] inet6_addr_add+0x30e/0xa40 [ 4590.613570][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4590.613570][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4590.613570][ T74] netlink_rcv_skb+0x130/0x360 [ 4590.613570][ T74] netlink_unicast+0x449/0x710 [ 4590.613570][ T74] netlink_sendmsg+0x723/0xbe0 [ 4590.613570][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4590.613570][ T74] ___sys_sendmsg+0xee/0x170 [ 4590.613570][ T74] __sys_sendmsg+0xcd/0x170 [ 4590.613570][ T74] do_syscall_64+0xc6/0x1e0 [ 4590.613570][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4590.613570][ T74] [ 4590.615606][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4590.615606][ T74] netdev_get_by_index+0x5e/0x80 [ 4590.615606][ T74] fib6_nh_init+0x3d8/0x1580 [ 4590.615606][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4590.615606][ T74] ip6_route_add+0x1c/0x140 [ 4590.615606][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4590.615606][ T74] addrconf_add_dev+0xe2/0x170 [ 4590.615606][ T74] inet6_addr_add+0x12f/0xa40 [ 4590.615606][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4590.615606][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4590.615606][ T74] netlink_rcv_skb+0x130/0x360 [ 4590.615606][ T74] netlink_unicast+0x449/0x710 [ 4590.615606][ T74] netlink_sendmsg+0x723/0xbe0 [ 4590.615606][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4590.615606][ T74] ___sys_sendmsg+0xee/0x170 [ 4590.615606][ T74] __sys_sendmsg+0xcd/0x170 [ 4590.615606][ T74] do_syscall_64+0xc6/0x1e0 [ 4590.615606][ T74] [ 4590.617598][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4590.617598][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4590.617598][ T74] ipv6_find_idev+0x102/0x170 [ 4590.617598][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4590.617598][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4590.617598][ T74] netlink_rcv_skb+0x130/0x360 [ 4590.617598][ T74] netlink_unicast+0x449/0x710 [ 4590.617598][ T74] netlink_sendmsg+0x723/0xbe0 [ 4590.617598][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4590.617598][ T74] ___sys_sendmsg+0xee/0x170 [ 4590.617598][ T74] __sys_sendmsg+0xcd/0x170 [ 4590.617598][ T74] do_syscall_64+0xc6/0x1e0 [ 4590.617598][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4590.617598][ T74] [ 4590.619283][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4590.619283][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4590.619283][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4590.619283][ T74] ipv6_find_idev+0x102/0x170 [ 4590.619283][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4590.619283][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4590.619283][ T74] netlink_rcv_skb+0x130/0x360 [ 4590.619283][ T74] netlink_unicast+0x449/0x710 [ 4590.619283][ T74] netlink_sendmsg+0x723/0xbe0 [ 4590.619283][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4590.619283][ T74] ___sys_sendmsg+0xee/0x170 [ 4590.619283][ T74] __sys_sendmsg+0xcd/0x170 [ 4590.619283][ T74] do_syscall_64+0xc6/0x1e0 [ 4590.619283][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4590.619283][ T74] [ 4590.621238][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4590.621490][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4590.621490][ T74] netdev_get_by_index+0x5e/0x80 [ 4590.621490][ T74] fib6_nh_init+0x3d8/0x1580 [ 4590.621490][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4590.621490][ T74] ip6_route_add+0x1c/0x140 [ 4590.621490][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4590.621490][ T74] inet6_addr_add+0x4f8/0xa40 [ 4590.621490][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4590.621490][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4590.621490][ T74] netlink_rcv_skb+0x130/0x360 [ 4590.621490][ T74] netlink_unicast+0x449/0x710 [ 4590.621490][ T74] netlink_sendmsg+0x723/0xbe0 [ 4590.621490][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4590.621490][ T74] ___sys_sendmsg+0xee/0x170 [ 4590.621490][ T74] __sys_sendmsg+0xcd/0x170 [ 4590.621490][ T74] do_syscall_64+0xc6/0x1e0 [ 4590.621490][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4590.621490][ T74] [ 4590.623820][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4590.623820][ T74] netdev_get_by_index+0x5e/0x80 [ 4590.623820][ T74] fib6_nh_init+0x3d8/0x1580 [ 4590.623820][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4590.623820][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4590.623820][ T74] ipv6_add_addr+0x411/0x2000 [ 4590.623820][ T74] inet6_addr_add+0x30e/0xa40 [ 4590.623820][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4590.623820][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4590.623820][ T74] netlink_rcv_skb+0x130/0x360 [ 4590.623820][ T74] netlink_unicast+0x449/0x710 [ 4590.623820][ T74] netlink_sendmsg+0x723/0xbe0 [ 4590.623820][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4590.623820][ T74] ___sys_sendmsg+0xee/0x170 [ 4590.623820][ T74] __sys_sendmsg+0xcd/0x170 [ 4590.623820][ T74] do_syscall_64+0xc6/0x1e0 [ 4590.623820][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4590.623820][ T74] [ 4590.626133][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4590.626133][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4590.626133][ T74] ipv6_find_idev+0x102/0x170 [ 4590.626133][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4590.626133][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4590.626133][ T74] netlink_rcv_skb+0x130/0x360 [ 4590.626133][ T74] netlink_unicast+0x449/0x710 [ 4590.626133][ T74] netlink_sendmsg+0x723/0xbe0 [ 4590.626133][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4590.626133][ T74] ___sys_sendmsg+0xee/0x170 [ 4590.626133][ T74] __sys_sendmsg+0xcd/0x170 [ 4590.626133][ T74] do_syscall_64+0xc6/0x1e0 [ 4590.626133][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4590.626133][ T74] [ 4590.627774][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4590.627774][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4590.627774][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4590.627774][ T74] ipv6_find_idev+0x102/0x170 [ 4590.627774][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4590.627774][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4590.627774][ T74] netlink_rcv_skb+0x130/0x360 [ 4590.627774][ T74] netlink_unicast+0x449/0x710 [ 4590.627774][ T74] netlink_sendmsg+0x723/0xbe0 [ 4590.627774][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4590.627774][ T74] ___sys_sendmsg+0xee/0x170 [ 4590.627774][ T74] __sys_sendmsg+0xcd/0x170 [ 4590.627774][ T74] do_syscall_64+0xc6/0x1e0 [ 4590.627774][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4590.627774][ T74] [ 4600.871979][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4600.872474][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4600.872474][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4600.872474][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4600.872474][ T74] fib6_nh_init+0xa22/0x1580 [ 4600.872474][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4600.872474][ T74] ip6_route_add+0x1c/0x140 [ 4600.872474][ T74] inet6_rtm_newroute+0x104/0x110 [ 4600.872474][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4600.872474][ T74] netlink_rcv_skb+0x130/0x360 [ 4600.872474][ T74] netlink_unicast+0x449/0x710 [ 4600.872474][ T74] netlink_sendmsg+0x723/0xbe0 [ 4600.872474][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4600.872474][ T74] ___sys_sendmsg+0xee/0x170 [ 4600.872474][ T74] __sys_sendmsg+0xcd/0x170 [ 4600.872474][ T74] do_syscall_64+0xc6/0x1e0 [ 4600.872474][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4600.872474][ T74] [ 4600.874672][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4600.874672][ T74] netdev_get_by_index+0x5e/0x80 [ 4600.874672][ T74] fib6_nh_init+0x3d8/0x1580 [ 4600.874672][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4600.874672][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4600.874672][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4600.874672][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4600.874672][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4600.874672][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4600.874672][ T74] addrconf_dad_begin+0x310/0x670 [ 4600.874672][ T74] addrconf_dad_work+0x10b/0xab0 [ 4600.874672][ T74] process_one_work+0x84d/0x18a0 [ 4600.874672][ T74] worker_thread+0x587/0xd30 [ 4600.874672][ T74] kthread+0x28a/0x350 [ 4600.874672][ T74] ret_from_fork+0x31/0x70 [ 4600.874672][ T74] ret_from_fork_asm+0x1a/0x30 [ 4600.874672][ T74] [ 4600.876921][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4600.876921][ T74] netdev_get_by_index+0x5e/0x80 [ 4600.876921][ T74] fib6_nh_init+0x3d8/0x1580 [ 4600.876921][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4600.876921][ T74] ip6_route_add+0x1c/0x140 [ 4600.876921][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4600.876921][ T74] inet6_addr_add+0x4f8/0xa40 [ 4600.876921][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4600.876921][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4600.876921][ T74] netlink_rcv_skb+0x130/0x360 [ 4600.876921][ T74] netlink_unicast+0x449/0x710 [ 4600.876921][ T74] netlink_sendmsg+0x723/0xbe0 [ 4600.876921][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4600.876921][ T74] ___sys_sendmsg+0xee/0x170 [ 4600.876921][ T74] __sys_sendmsg+0xcd/0x170 [ 4600.876921][ T74] do_syscall_64+0xc6/0x1e0 [ 4600.876921][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4600.876921][ T74] [ 4600.879209][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4600.879209][ T74] netdev_get_by_index+0x5e/0x80 [ 4600.879209][ T74] fib6_nh_init+0x3d8/0x1580 [ 4600.879209][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4600.879209][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4600.879209][ T74] ipv6_add_addr+0x411/0x2000 [ 4600.879209][ T74] inet6_addr_add+0x30e/0xa40 [ 4600.879209][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4600.879209][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4600.879209][ T74] netlink_rcv_skb+0x130/0x360 [ 4600.879209][ T74] netlink_unicast+0x449/0x710 [ 4600.879209][ T74] netlink_sendmsg+0x723/0xbe0 [ 4600.879209][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4600.879209][ T74] ___sys_sendmsg+0xee/0x170 [ 4600.879209][ T74] __sys_sendmsg+0xcd/0x170 [ 4600.879209][ T74] do_syscall_64+0xc6/0x1e0 [ 4600.879209][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4600.879209][ T74] [ 4600.881525][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4600.881525][ T74] netdev_get_by_index+0x5e/0x80 [ 4600.881525][ T74] fib6_nh_init+0x3d8/0x1580 [ 4600.881525][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4600.881525][ T74] ip6_route_add+0x1c/0x140 [ 4600.881525][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4600.881525][ T74] addrconf_add_dev+0xe2/0x170 [ 4600.881525][ T74] inet6_addr_add+0x12f/0xa40 [ 4600.881525][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4600.881525][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4600.881525][ T74] netlink_rcv_skb+0x130/0x360 [ 4600.881525][ T74] netlink_unicast+0x449/0x710 [ 4600.881525][ T74] netlink_sendmsg+0x723/0xbe0 [ 4600.881525][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4600.881525][ T74] ___sys_sendmsg+0xee/0x170 [ 4600.881525][ T74] __sys_sendmsg+0xcd/0x170 [ 4600.881525][ T74] do_syscall_64+0xc6/0x1e0 [ 4600.881525][ T74] [ 4600.883789][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4600.883789][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4600.883789][ T74] ipv6_find_idev+0x102/0x170 [ 4600.883789][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4600.883789][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4600.883789][ T74] netlink_rcv_skb+0x130/0x360 [ 4600.883789][ T74] netlink_unicast+0x449/0x710 [ 4600.883789][ T74] netlink_sendmsg+0x723/0xbe0 [ 4600.883789][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4600.883789][ T74] ___sys_sendmsg+0xee/0x170 [ 4600.883789][ T74] __sys_sendmsg+0xcd/0x170 [ 4600.883789][ T74] do_syscall_64+0xc6/0x1e0 [ 4600.883789][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4600.883789][ T74] [ 4600.885566][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4600.885566][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4600.885566][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4600.885566][ T74] ipv6_find_idev+0x102/0x170 [ 4600.885566][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4600.885566][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4600.885566][ T74] netlink_rcv_skb+0x130/0x360 [ 4600.885566][ T74] netlink_unicast+0x449/0x710 [ 4600.885566][ T74] netlink_sendmsg+0x723/0xbe0 [ 4600.885566][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4600.885566][ T74] ___sys_sendmsg+0xee/0x170 [ 4600.885566][ T74] __sys_sendmsg+0xcd/0x170 [ 4600.885566][ T74] do_syscall_64+0xc6/0x1e0 [ 4600.885566][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4600.885566][ T74] [ 4600.888074][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4600.888396][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4600.888396][ T74] dst_init+0x84/0x4a0 [ 4600.888396][ T74] dst_alloc+0x97/0x150 [ 4600.888396][ T74] ip6_dst_alloc+0x23/0x90 [ 4600.888396][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4600.888396][ T74] ip6_pol_route+0x56f/0x840 [ 4600.888396][ T74] fib6_rule_lookup+0x456/0x630 [ 4600.888396][ T74] ip6_route_input+0x59c/0xa50 [ 4600.888396][ T74] ipv6_rcv+0x397/0x810 [ 4600.888396][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4600.888396][ T74] process_backlog+0x101/0x620 [ 4600.888396][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4600.888396][ T74] net_rx_action+0x495/0xbe0 [ 4600.888396][ T74] __do_softirq+0x1b5/0x7f6 [ 4600.888396][ T74] [ 4600.890259][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4600.890259][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4600.890259][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4600.890259][ T74] fib6_nh_init+0xa22/0x1580 [ 4600.890259][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4600.890259][ T74] ip6_route_add+0x1c/0x140 [ 4600.890259][ T74] inet6_rtm_newroute+0x104/0x110 [ 4600.890259][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4600.890259][ T74] netlink_rcv_skb+0x130/0x360 [ 4600.890259][ T74] netlink_unicast+0x449/0x710 [ 4600.890259][ T74] netlink_sendmsg+0x723/0xbe0 [ 4600.890259][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4600.890259][ T74] ___sys_sendmsg+0xee/0x170 [ 4600.890259][ T74] __sys_sendmsg+0xcd/0x170 [ 4600.890259][ T74] do_syscall_64+0xc6/0x1e0 [ 4600.890259][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4600.890259][ T74] [ 4600.892400][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4600.892400][ T74] netdev_get_by_index+0x5e/0x80 [ 4600.892400][ T74] fib6_nh_init+0x3d8/0x1580 [ 4600.892400][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4600.892400][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4600.892400][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4600.892400][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4600.892400][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4600.892400][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4600.892400][ T74] addrconf_dad_begin+0x310/0x670 [ 4600.892400][ T74] addrconf_dad_work+0x10b/0xab0 [ 4600.892400][ T74] process_one_work+0x84d/0x18a0 [ 4600.892400][ T74] worker_thread+0x587/0xd30 [ 4600.892400][ T74] kthread+0x28a/0x350 [ 4600.892400][ T74] ret_from_fork+0x31/0x70 [ 4600.892400][ T74] ret_from_fork_asm+0x1a/0x30 [ 4600.892400][ T74] [ 4600.894582][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4600.894582][ T74] netdev_get_by_index+0x5e/0x80 [ 4600.894582][ T74] fib6_nh_init+0x3d8/0x1580 [ 4600.894582][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4600.894582][ T74] ip6_route_add+0x1c/0x140 [ 4600.894582][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4600.894582][ T74] inet6_addr_add+0x4f8/0xa40 [ 4600.894582][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4600.894582][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4600.894582][ T74] netlink_rcv_skb+0x130/0x360 [ 4600.894582][ T74] netlink_unicast+0x449/0x710 [ 4600.894582][ T74] netlink_sendmsg+0x723/0xbe0 [ 4600.894582][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4600.894582][ T74] ___sys_sendmsg+0xee/0x170 [ 4600.894582][ T74] __sys_sendmsg+0xcd/0x170 [ 4600.894582][ T74] do_syscall_64+0xc6/0x1e0 [ 4600.894582][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4600.894582][ T74] [ 4600.896874][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4600.896874][ T74] netdev_get_by_index+0x5e/0x80 [ 4600.896874][ T74] fib6_nh_init+0x3d8/0x1580 [ 4600.896874][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4600.896874][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4600.896874][ T74] ipv6_add_addr+0x411/0x2000 [ 4600.896874][ T74] inet6_addr_add+0x30e/0xa40 [ 4600.896874][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4600.896874][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4600.896874][ T74] netlink_rcv_skb+0x130/0x360 [ 4600.896874][ T74] netlink_unicast+0x449/0x710 [ 4600.896874][ T74] netlink_sendmsg+0x723/0xbe0 [ 4600.896874][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4600.896874][ T74] ___sys_sendmsg+0xee/0x170 [ 4600.896874][ T74] __sys_sendmsg+0xcd/0x170 [ 4600.896874][ T74] do_syscall_64+0xc6/0x1e0 [ 4600.896874][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4600.896874][ T74] [ 4600.899159][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4600.899159][ T74] netdev_get_by_index+0x5e/0x80 [ 4600.899159][ T74] fib6_nh_init+0x3d8/0x1580 [ 4600.899159][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4600.899159][ T74] ip6_route_add+0x1c/0x140 [ 4600.899159][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4600.899159][ T74] addrconf_add_dev+0xe2/0x170 [ 4600.899159][ T74] inet6_addr_add+0x12f/0xa40 [ 4600.899159][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4600.899159][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4600.899159][ T74] netlink_rcv_skb+0x130/0x360 [ 4600.899159][ T74] netlink_unicast+0x449/0x710 [ 4600.899159][ T74] netlink_sendmsg+0x723/0xbe0 [ 4600.899159][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4600.899159][ T74] ___sys_sendmsg+0xee/0x170 [ 4600.899159][ T74] __sys_sendmsg+0xcd/0x170 [ 4600.899159][ T74] do_syscall_64+0xc6/0x1e0 [ 4600.899159][ T74] [ 4600.901401][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4600.901401][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4600.901401][ T74] ipv6_find_idev+0x102/0x170 [ 4600.901401][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4600.901401][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4600.901401][ T74] netlink_rcv_skb+0x130/0x360 [ 4600.901401][ T74] netlink_unicast+0x449/0x710 [ 4600.901401][ T74] netlink_sendmsg+0x723/0xbe0 [ 4600.901401][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4600.901401][ T74] ___sys_sendmsg+0xee/0x170 [ 4600.901401][ T74] __sys_sendmsg+0xcd/0x170 [ 4600.901401][ T74] do_syscall_64+0xc6/0x1e0 [ 4600.901401][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4600.901401][ T74] [ 4600.903367][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4600.903367][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4600.903367][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4600.903367][ T74] ipv6_find_idev+0x102/0x170 [ 4600.903367][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4600.903367][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4600.903367][ T74] netlink_rcv_skb+0x130/0x360 [ 4600.903367][ T74] netlink_unicast+0x449/0x710 [ 4600.903367][ T74] netlink_sendmsg+0x723/0xbe0 [ 4600.903367][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4600.903367][ T74] ___sys_sendmsg+0xee/0x170 [ 4600.903367][ T74] __sys_sendmsg+0xcd/0x170 [ 4600.903367][ T74] do_syscall_64+0xc6/0x1e0 [ 4600.903367][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4600.903367][ T74] [ 4600.908713][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4600.909077][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4600.909077][ T74] netdev_get_by_index+0x5e/0x80 [ 4600.909077][ T74] fib6_nh_init+0x3d8/0x1580 [ 4600.909077][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4600.909077][ T74] ip6_route_add+0x1c/0x140 [ 4600.909077][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4600.909077][ T74] inet6_addr_add+0x4f8/0xa40 [ 4600.909077][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4600.909077][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4600.909077][ T74] netlink_rcv_skb+0x130/0x360 [ 4600.909077][ T74] netlink_unicast+0x449/0x710 [ 4600.909077][ T74] netlink_sendmsg+0x723/0xbe0 [ 4600.909077][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4600.909077][ T74] ___sys_sendmsg+0xee/0x170 [ 4600.909077][ T74] __sys_sendmsg+0xcd/0x170 [ 4600.909077][ T74] do_syscall_64+0xc6/0x1e0 [ 4600.909077][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4600.909077][ T74] [ 4600.911591][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4600.911591][ T74] netdev_get_by_index+0x5e/0x80 [ 4600.911591][ T74] fib6_nh_init+0x3d8/0x1580 [ 4600.911591][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4600.911591][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4600.911591][ T74] ipv6_add_addr+0x411/0x2000 [ 4600.911591][ T74] inet6_addr_add+0x30e/0xa40 [ 4600.911591][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4600.911591][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4600.911591][ T74] netlink_rcv_skb+0x130/0x360 [ 4600.911591][ T74] netlink_unicast+0x449/0x710 [ 4600.911591][ T74] netlink_sendmsg+0x723/0xbe0 [ 4600.911591][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4600.911591][ T74] ___sys_sendmsg+0xee/0x170 [ 4600.911591][ T74] __sys_sendmsg+0xcd/0x170 [ 4600.911591][ T74] do_syscall_64+0xc6/0x1e0 [ 4600.911591][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4600.911591][ T74] [ 4600.914148][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4600.914148][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4600.914148][ T74] ipv6_find_idev+0x102/0x170 [ 4600.914148][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4600.914148][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4600.914148][ T74] netlink_rcv_skb+0x130/0x360 [ 4600.914148][ T74] netlink_unicast+0x449/0x710 [ 4600.914148][ T74] netlink_sendmsg+0x723/0xbe0 [ 4600.914148][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4600.914148][ T74] ___sys_sendmsg+0xee/0x170 [ 4600.914148][ T74] __sys_sendmsg+0xcd/0x170 [ 4600.914148][ T74] do_syscall_64+0xc6/0x1e0 [ 4600.914148][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4600.914148][ T74] [ 4600.916170][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4600.916170][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4600.916170][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4600.916170][ T74] ipv6_find_idev+0x102/0x170 [ 4600.916170][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4600.916170][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4600.916170][ T74] netlink_rcv_skb+0x130/0x360 [ 4600.916170][ T74] netlink_unicast+0x449/0x710 [ 4600.916170][ T74] netlink_sendmsg+0x723/0xbe0 [ 4600.916170][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4600.916170][ T74] ___sys_sendmsg+0xee/0x170 [ 4600.916170][ T74] __sys_sendmsg+0xcd/0x170 [ 4600.916170][ T74] do_syscall_64+0xc6/0x1e0 [ 4600.916170][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4600.916170][ T74] [ 4611.103981][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4611.104432][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4611.104432][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4611.104432][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4611.104432][ T74] fib6_nh_init+0xa22/0x1580 [ 4611.104432][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4611.104432][ T74] ip6_route_add+0x1c/0x140 [ 4611.104432][ T74] inet6_rtm_newroute+0x104/0x110 [ 4611.104432][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4611.104432][ T74] netlink_rcv_skb+0x130/0x360 [ 4611.104432][ T74] netlink_unicast+0x449/0x710 [ 4611.104432][ T74] netlink_sendmsg+0x723/0xbe0 [ 4611.104432][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4611.104432][ T74] ___sys_sendmsg+0xee/0x170 [ 4611.104432][ T74] __sys_sendmsg+0xcd/0x170 [ 4611.104432][ T74] do_syscall_64+0xc6/0x1e0 [ 4611.104432][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4611.104432][ T74] [ 4611.106397][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4611.106397][ T74] netdev_get_by_index+0x5e/0x80 [ 4611.106397][ T74] fib6_nh_init+0x3d8/0x1580 [ 4611.106397][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4611.106397][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4611.106397][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4611.106397][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4611.106397][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4611.106397][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4611.106397][ T74] addrconf_dad_begin+0x310/0x670 [ 4611.106397][ T74] addrconf_dad_work+0x10b/0xab0 [ 4611.106397][ T74] process_one_work+0x84d/0x18a0 [ 4611.106397][ T74] worker_thread+0x587/0xd30 [ 4611.106397][ T74] kthread+0x28a/0x350 [ 4611.106397][ T74] ret_from_fork+0x31/0x70 [ 4611.106397][ T74] ret_from_fork_asm+0x1a/0x30 [ 4611.106397][ T74] [ 4611.108347][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4611.108347][ T74] netdev_get_by_index+0x5e/0x80 [ 4611.108347][ T74] fib6_nh_init+0x3d8/0x1580 [ 4611.108347][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4611.108347][ T74] ip6_route_add+0x1c/0x140 [ 4611.108347][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4611.108347][ T74] inet6_addr_add+0x4f8/0xa40 [ 4611.108347][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4611.108347][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4611.108347][ T74] netlink_rcv_skb+0x130/0x360 [ 4611.108347][ T74] netlink_unicast+0x449/0x710 [ 4611.108347][ T74] netlink_sendmsg+0x723/0xbe0 [ 4611.108347][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4611.108347][ T74] ___sys_sendmsg+0xee/0x170 [ 4611.108347][ T74] __sys_sendmsg+0xcd/0x170 [ 4611.108347][ T74] do_syscall_64+0xc6/0x1e0 [ 4611.108347][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4611.108347][ T74] [ 4611.110378][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4611.110378][ T74] netdev_get_by_index+0x5e/0x80 [ 4611.110378][ T74] fib6_nh_init+0x3d8/0x1580 [ 4611.110378][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4611.110378][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4611.110378][ T74] ipv6_add_addr+0x411/0x2000 [ 4611.110378][ T74] inet6_addr_add+0x30e/0xa40 [ 4611.110378][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4611.110378][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4611.110378][ T74] netlink_rcv_skb+0x130/0x360 [ 4611.110378][ T74] netlink_unicast+0x449/0x710 [ 4611.110378][ T74] netlink_sendmsg+0x723/0xbe0 [ 4611.110378][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4611.110378][ T74] ___sys_sendmsg+0xee/0x170 [ 4611.110378][ T74] __sys_sendmsg+0xcd/0x170 [ 4611.110378][ T74] do_syscall_64+0xc6/0x1e0 [ 4611.110378][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4611.110378][ T74] [ 4611.112411][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4611.112411][ T74] netdev_get_by_index+0x5e/0x80 [ 4611.112411][ T74] fib6_nh_init+0x3d8/0x1580 [ 4611.112411][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4611.112411][ T74] ip6_route_add+0x1c/0x140 [ 4611.112411][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4611.112411][ T74] addrconf_add_dev+0xe2/0x170 [ 4611.112411][ T74] inet6_addr_add+0x12f/0xa40 [ 4611.112411][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4611.112411][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4611.112411][ T74] netlink_rcv_skb+0x130/0x360 [ 4611.112411][ T74] netlink_unicast+0x449/0x710 [ 4611.112411][ T74] netlink_sendmsg+0x723/0xbe0 [ 4611.112411][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4611.112411][ T74] ___sys_sendmsg+0xee/0x170 [ 4611.112411][ T74] __sys_sendmsg+0xcd/0x170 [ 4611.112411][ T74] do_syscall_64+0xc6/0x1e0 [ 4611.112411][ T74] [ 4611.114396][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4611.114396][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4611.114396][ T74] ipv6_find_idev+0x102/0x170 [ 4611.114396][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4611.114396][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4611.114396][ T74] netlink_rcv_skb+0x130/0x360 [ 4611.114396][ T74] netlink_unicast+0x449/0x710 [ 4611.114396][ T74] netlink_sendmsg+0x723/0xbe0 [ 4611.114396][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4611.114396][ T74] ___sys_sendmsg+0xee/0x170 [ 4611.114396][ T74] __sys_sendmsg+0xcd/0x170 [ 4611.114396][ T74] do_syscall_64+0xc6/0x1e0 [ 4611.114396][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4611.114396][ T74] [ 4611.115967][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4611.115967][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4611.115967][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4611.115967][ T74] ipv6_find_idev+0x102/0x170 [ 4611.115967][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4611.115967][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4611.115967][ T74] netlink_rcv_skb+0x130/0x360 [ 4611.115967][ T74] netlink_unicast+0x449/0x710 [ 4611.115967][ T74] netlink_sendmsg+0x723/0xbe0 [ 4611.115967][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4611.115967][ T74] ___sys_sendmsg+0xee/0x170 [ 4611.115967][ T74] __sys_sendmsg+0xcd/0x170 [ 4611.115967][ T74] do_syscall_64+0xc6/0x1e0 [ 4611.115967][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4611.115967][ T74] [ 4611.117686][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4611.117985][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4611.117985][ T74] dst_init+0x84/0x4a0 [ 4611.117985][ T74] dst_alloc+0x97/0x150 [ 4611.117985][ T74] ip6_dst_alloc+0x23/0x90 [ 4611.117985][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4611.117985][ T74] ip6_pol_route+0x56f/0x840 [ 4611.117985][ T74] fib6_rule_lookup+0x456/0x630 [ 4611.117985][ T74] ip6_route_input+0x59c/0xa50 [ 4611.117985][ T74] ipv6_rcv+0x397/0x810 [ 4611.117985][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4611.117985][ T74] process_backlog+0x101/0x620 [ 4611.117985][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4611.117985][ T74] net_rx_action+0x495/0xbe0 [ 4611.117985][ T74] __do_softirq+0x1b5/0x7f6 [ 4611.117985][ T74] [ 4611.121678][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4611.121678][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4611.121678][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4611.121678][ T74] fib6_nh_init+0xa22/0x1580 [ 4611.121678][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4611.121678][ T74] ip6_route_add+0x1c/0x140 [ 4611.121678][ T74] inet6_rtm_newroute+0x104/0x110 [ 4611.121678][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4611.121678][ T74] netlink_rcv_skb+0x130/0x360 [ 4611.121678][ T74] netlink_unicast+0x449/0x710 [ 4611.121678][ T74] netlink_sendmsg+0x723/0xbe0 [ 4611.121678][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4611.121678][ T74] ___sys_sendmsg+0xee/0x170 [ 4611.121678][ T74] __sys_sendmsg+0xcd/0x170 [ 4611.121678][ T74] do_syscall_64+0xc6/0x1e0 [ 4611.121678][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4611.121678][ T74] [ 4611.123604][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4611.123604][ T74] netdev_get_by_index+0x5e/0x80 [ 4611.123604][ T74] fib6_nh_init+0x3d8/0x1580 [ 4611.123604][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4611.123604][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4611.123604][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4611.123604][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4611.123604][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4611.123604][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4611.123604][ T74] addrconf_dad_begin+0x310/0x670 [ 4611.123604][ T74] addrconf_dad_work+0x10b/0xab0 [ 4611.123604][ T74] process_one_work+0x84d/0x18a0 [ 4611.123604][ T74] worker_thread+0x587/0xd30 [ 4611.123604][ T74] kthread+0x28a/0x350 [ 4611.123604][ T74] ret_from_fork+0x31/0x70 [ 4611.123604][ T74] ret_from_fork_asm+0x1a/0x30 [ 4611.123604][ T74] [ 4611.125558][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4611.125558][ T74] netdev_get_by_index+0x5e/0x80 [ 4611.125558][ T74] fib6_nh_init+0x3d8/0x1580 [ 4611.125558][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4611.125558][ T74] ip6_route_add+0x1c/0x140 [ 4611.125558][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4611.125558][ T74] inet6_addr_add+0x4f8/0xa40 [ 4611.125558][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4611.125558][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4611.125558][ T74] netlink_rcv_skb+0x130/0x360 [ 4611.125558][ T74] netlink_unicast+0x449/0x710 [ 4611.125558][ T74] netlink_sendmsg+0x723/0xbe0 [ 4611.125558][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4611.125558][ T74] ___sys_sendmsg+0xee/0x170 [ 4611.125558][ T74] __sys_sendmsg+0xcd/0x170 [ 4611.125558][ T74] do_syscall_64+0xc6/0x1e0 [ 4611.125558][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4611.125558][ T74] [ 4611.127590][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4611.127590][ T74] netdev_get_by_index+0x5e/0x80 [ 4611.127590][ T74] fib6_nh_init+0x3d8/0x1580 [ 4611.127590][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4611.127590][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4611.127590][ T74] ipv6_add_addr+0x411/0x2000 [ 4611.127590][ T74] inet6_addr_add+0x30e/0xa40 [ 4611.127590][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4611.127590][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4611.127590][ T74] netlink_rcv_skb+0x130/0x360 [ 4611.127590][ T74] netlink_unicast+0x449/0x710 [ 4611.127590][ T74] netlink_sendmsg+0x723/0xbe0 [ 4611.127590][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4611.127590][ T74] ___sys_sendmsg+0xee/0x170 [ 4611.127590][ T74] __sys_sendmsg+0xcd/0x170 [ 4611.127590][ T74] do_syscall_64+0xc6/0x1e0 [ 4611.127590][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4611.127590][ T74] [ 4611.129627][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4611.129627][ T74] netdev_get_by_index+0x5e/0x80 [ 4611.129627][ T74] fib6_nh_init+0x3d8/0x1580 [ 4611.129627][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4611.129627][ T74] ip6_route_add+0x1c/0x140 [ 4611.129627][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4611.129627][ T74] addrconf_add_dev+0xe2/0x170 [ 4611.129627][ T74] inet6_addr_add+0x12f/0xa40 [ 4611.129627][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4611.129627][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4611.129627][ T74] netlink_rcv_skb+0x130/0x360 [ 4611.129627][ T74] netlink_unicast+0x449/0x710 [ 4611.129627][ T74] netlink_sendmsg+0x723/0xbe0 [ 4611.129627][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4611.129627][ T74] ___sys_sendmsg+0xee/0x170 [ 4611.129627][ T74] __sys_sendmsg+0xcd/0x170 [ 4611.129627][ T74] do_syscall_64+0xc6/0x1e0 [ 4611.129627][ T74] [ 4611.131625][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4611.131625][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4611.131625][ T74] ipv6_find_idev+0x102/0x170 [ 4611.131625][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4611.131625][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4611.131625][ T74] netlink_rcv_skb+0x130/0x360 [ 4611.131625][ T74] netlink_unicast+0x449/0x710 [ 4611.131625][ T74] netlink_sendmsg+0x723/0xbe0 [ 4611.131625][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4611.131625][ T74] ___sys_sendmsg+0xee/0x170 [ 4611.131625][ T74] __sys_sendmsg+0xcd/0x170 [ 4611.131625][ T74] do_syscall_64+0xc6/0x1e0 [ 4611.131625][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4611.131625][ T74] [ 4611.133311][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4611.133311][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4611.133311][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4611.133311][ T74] ipv6_find_idev+0x102/0x170 [ 4611.133311][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4611.133311][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4611.133311][ T74] netlink_rcv_skb+0x130/0x360 [ 4611.133311][ T74] netlink_unicast+0x449/0x710 [ 4611.133311][ T74] netlink_sendmsg+0x723/0xbe0 [ 4611.133311][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4611.133311][ T74] ___sys_sendmsg+0xee/0x170 [ 4611.133311][ T74] __sys_sendmsg+0xcd/0x170 [ 4611.133311][ T74] do_syscall_64+0xc6/0x1e0 [ 4611.133311][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4611.133311][ T74] [ 4611.135270][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4611.135512][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4611.135512][ T74] netdev_get_by_index+0x5e/0x80 [ 4611.135512][ T74] fib6_nh_init+0x3d8/0x1580 [ 4611.135512][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4611.135512][ T74] ip6_route_add+0x1c/0x140 [ 4611.135512][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4611.135512][ T74] inet6_addr_add+0x4f8/0xa40 [ 4611.135512][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4611.135512][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4611.135512][ T74] netlink_rcv_skb+0x130/0x360 [ 4611.135512][ T74] netlink_unicast+0x449/0x710 [ 4611.135512][ T74] netlink_sendmsg+0x723/0xbe0 [ 4611.135512][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4611.135512][ T74] ___sys_sendmsg+0xee/0x170 [ 4611.135512][ T74] __sys_sendmsg+0xcd/0x170 [ 4611.135512][ T74] do_syscall_64+0xc6/0x1e0 [ 4611.135512][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4611.135512][ T74] [ 4611.137795][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4611.137795][ T74] netdev_get_by_index+0x5e/0x80 [ 4611.137795][ T74] fib6_nh_init+0x3d8/0x1580 [ 4611.137795][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4611.137795][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4611.137795][ T74] ipv6_add_addr+0x411/0x2000 [ 4611.137795][ T74] inet6_addr_add+0x30e/0xa40 [ 4611.137795][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4611.137795][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4611.137795][ T74] netlink_rcv_skb+0x130/0x360 [ 4611.137795][ T74] netlink_unicast+0x449/0x710 [ 4611.137795][ T74] netlink_sendmsg+0x723/0xbe0 [ 4611.137795][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4611.137795][ T74] ___sys_sendmsg+0xee/0x170 [ 4611.137795][ T74] __sys_sendmsg+0xcd/0x170 [ 4611.137795][ T74] do_syscall_64+0xc6/0x1e0 [ 4611.137795][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4611.137795][ T74] [ 4611.140056][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4611.140056][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4611.140056][ T74] ipv6_find_idev+0x102/0x170 [ 4611.140056][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4611.140056][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4611.140056][ T74] netlink_rcv_skb+0x130/0x360 [ 4611.140056][ T74] netlink_unicast+0x449/0x710 [ 4611.140056][ T74] netlink_sendmsg+0x723/0xbe0 [ 4611.140056][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4611.140056][ T74] ___sys_sendmsg+0xee/0x170 [ 4611.140056][ T74] __sys_sendmsg+0xcd/0x170 [ 4611.140056][ T74] do_syscall_64+0xc6/0x1e0 [ 4611.140056][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4611.140056][ T74] [ 4611.141760][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4611.141760][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4611.141760][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4611.141760][ T74] ipv6_find_idev+0x102/0x170 [ 4611.141760][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4611.141760][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4611.141760][ T74] netlink_rcv_skb+0x130/0x360 [ 4611.141760][ T74] netlink_unicast+0x449/0x710 [ 4611.141760][ T74] netlink_sendmsg+0x723/0xbe0 [ 4611.141760][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4611.141760][ T74] ___sys_sendmsg+0xee/0x170 [ 4611.141760][ T74] __sys_sendmsg+0xcd/0x170 [ 4611.141760][ T74] do_syscall_64+0xc6/0x1e0 [ 4611.141760][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4611.141760][ T74] [ 4621.359949][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4621.360390][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4621.360390][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4621.360390][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4621.360390][ T74] fib6_nh_init+0xa22/0x1580 [ 4621.360390][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4621.360390][ T74] ip6_route_add+0x1c/0x140 [ 4621.360390][ T74] inet6_rtm_newroute+0x104/0x110 [ 4621.360390][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4621.360390][ T74] netlink_rcv_skb+0x130/0x360 [ 4621.360390][ T74] netlink_unicast+0x449/0x710 [ 4621.360390][ T74] netlink_sendmsg+0x723/0xbe0 [ 4621.360390][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4621.360390][ T74] ___sys_sendmsg+0xee/0x170 [ 4621.360390][ T74] __sys_sendmsg+0xcd/0x170 [ 4621.360390][ T74] do_syscall_64+0xc6/0x1e0 [ 4621.360390][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4621.360390][ T74] [ 4621.362329][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4621.362329][ T74] netdev_get_by_index+0x5e/0x80 [ 4621.362329][ T74] fib6_nh_init+0x3d8/0x1580 [ 4621.362329][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4621.362329][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4621.362329][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4621.362329][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4621.362329][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4621.362329][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4621.362329][ T74] addrconf_dad_begin+0x310/0x670 [ 4621.362329][ T74] addrconf_dad_work+0x10b/0xab0 [ 4621.362329][ T74] process_one_work+0x84d/0x18a0 [ 4621.362329][ T74] worker_thread+0x587/0xd30 [ 4621.362329][ T74] kthread+0x28a/0x350 [ 4621.362329][ T74] ret_from_fork+0x31/0x70 [ 4621.362329][ T74] ret_from_fork_asm+0x1a/0x30 [ 4621.362329][ T74] [ 4621.364304][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4621.364304][ T74] netdev_get_by_index+0x5e/0x80 [ 4621.364304][ T74] fib6_nh_init+0x3d8/0x1580 [ 4621.364304][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4621.364304][ T74] ip6_route_add+0x1c/0x140 [ 4621.364304][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4621.364304][ T74] inet6_addr_add+0x4f8/0xa40 [ 4621.364304][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4621.364304][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4621.364304][ T74] netlink_rcv_skb+0x130/0x360 [ 4621.364304][ T74] netlink_unicast+0x449/0x710 [ 4621.364304][ T74] netlink_sendmsg+0x723/0xbe0 [ 4621.364304][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4621.364304][ T74] ___sys_sendmsg+0xee/0x170 [ 4621.364304][ T74] __sys_sendmsg+0xcd/0x170 [ 4621.364304][ T74] do_syscall_64+0xc6/0x1e0 [ 4621.364304][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4621.364304][ T74] [ 4621.366341][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4621.366341][ T74] netdev_get_by_index+0x5e/0x80 [ 4621.366341][ T74] fib6_nh_init+0x3d8/0x1580 [ 4621.366341][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4621.366341][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4621.366341][ T74] ipv6_add_addr+0x411/0x2000 [ 4621.366341][ T74] inet6_addr_add+0x30e/0xa40 [ 4621.366341][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4621.366341][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4621.366341][ T74] netlink_rcv_skb+0x130/0x360 [ 4621.366341][ T74] netlink_unicast+0x449/0x710 [ 4621.366341][ T74] netlink_sendmsg+0x723/0xbe0 [ 4621.366341][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4621.366341][ T74] ___sys_sendmsg+0xee/0x170 [ 4621.366341][ T74] __sys_sendmsg+0xcd/0x170 [ 4621.366341][ T74] do_syscall_64+0xc6/0x1e0 [ 4621.366341][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4621.366341][ T74] [ 4621.368401][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4621.368401][ T74] netdev_get_by_index+0x5e/0x80 [ 4621.368401][ T74] fib6_nh_init+0x3d8/0x1580 [ 4621.368401][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4621.368401][ T74] ip6_route_add+0x1c/0x140 [ 4621.368401][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4621.368401][ T74] addrconf_add_dev+0xe2/0x170 [ 4621.368401][ T74] inet6_addr_add+0x12f/0xa40 [ 4621.368401][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4621.368401][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4621.368401][ T74] netlink_rcv_skb+0x130/0x360 [ 4621.368401][ T74] netlink_unicast+0x449/0x710 [ 4621.368401][ T74] netlink_sendmsg+0x723/0xbe0 [ 4621.368401][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4621.368401][ T74] ___sys_sendmsg+0xee/0x170 [ 4621.368401][ T74] __sys_sendmsg+0xcd/0x170 [ 4621.368401][ T74] do_syscall_64+0xc6/0x1e0 [ 4621.368401][ T74] [ 4621.370428][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4621.370428][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4621.370428][ T74] ipv6_find_idev+0x102/0x170 [ 4621.370428][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4621.370428][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4621.370428][ T74] netlink_rcv_skb+0x130/0x360 [ 4621.370428][ T74] netlink_unicast+0x449/0x710 [ 4621.370428][ T74] netlink_sendmsg+0x723/0xbe0 [ 4621.370428][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4621.370428][ T74] ___sys_sendmsg+0xee/0x170 [ 4621.370428][ T74] __sys_sendmsg+0xcd/0x170 [ 4621.370428][ T74] do_syscall_64+0xc6/0x1e0 [ 4621.370428][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4621.370428][ T74] [ 4621.371999][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4621.371999][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4621.371999][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4621.371999][ T74] ipv6_find_idev+0x102/0x170 [ 4621.371999][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4621.371999][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4621.371999][ T74] netlink_rcv_skb+0x130/0x360 [ 4621.371999][ T74] netlink_unicast+0x449/0x710 [ 4621.371999][ T74] netlink_sendmsg+0x723/0xbe0 [ 4621.371999][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4621.371999][ T74] ___sys_sendmsg+0xee/0x170 [ 4621.371999][ T74] __sys_sendmsg+0xcd/0x170 [ 4621.371999][ T74] do_syscall_64+0xc6/0x1e0 [ 4621.371999][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4621.371999][ T74] [ 4621.373720][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4621.374014][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4621.374014][ T74] dst_init+0x84/0x4a0 [ 4621.374014][ T74] dst_alloc+0x97/0x150 [ 4621.374014][ T74] ip6_dst_alloc+0x23/0x90 [ 4621.374014][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4621.374014][ T74] ip6_pol_route+0x56f/0x840 [ 4621.374014][ T74] fib6_rule_lookup+0x456/0x630 [ 4621.374014][ T74] ip6_route_input+0x59c/0xa50 [ 4621.374014][ T74] ipv6_rcv+0x397/0x810 [ 4621.374014][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4621.374014][ T74] process_backlog+0x101/0x620 [ 4621.374014][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4621.374014][ T74] net_rx_action+0x495/0xbe0 [ 4621.374014][ T74] __do_softirq+0x1b5/0x7f6 [ 4621.374014][ T74] [ 4621.375680][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4621.375680][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4621.375680][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4621.375680][ T74] fib6_nh_init+0xa22/0x1580 [ 4621.375680][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4621.375680][ T74] ip6_route_add+0x1c/0x140 [ 4621.375680][ T74] inet6_rtm_newroute+0x104/0x110 [ 4621.375680][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4621.375680][ T74] netlink_rcv_skb+0x130/0x360 [ 4621.375680][ T74] netlink_unicast+0x449/0x710 [ 4621.375680][ T74] netlink_sendmsg+0x723/0xbe0 [ 4621.375680][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4621.375680][ T74] ___sys_sendmsg+0xee/0x170 [ 4621.375680][ T74] __sys_sendmsg+0xcd/0x170 [ 4621.375680][ T74] do_syscall_64+0xc6/0x1e0 [ 4621.375680][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4621.375680][ T74] [ 4621.377611][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4621.377611][ T74] netdev_get_by_index+0x5e/0x80 [ 4621.377611][ T74] fib6_nh_init+0x3d8/0x1580 [ 4621.377611][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4621.377611][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4621.377611][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4621.377611][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4621.377611][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4621.377611][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4621.377611][ T74] addrconf_dad_begin+0x310/0x670 [ 4621.377611][ T74] addrconf_dad_work+0x10b/0xab0 [ 4621.377611][ T74] process_one_work+0x84d/0x18a0 [ 4621.377611][ T74] worker_thread+0x587/0xd30 [ 4621.377611][ T74] kthread+0x28a/0x350 [ 4621.377611][ T74] ret_from_fork+0x31/0x70 [ 4621.377611][ T74] ret_from_fork_asm+0x1a/0x30 [ 4621.377611][ T74] [ 4621.379565][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4621.379565][ T74] netdev_get_by_index+0x5e/0x80 [ 4621.379565][ T74] fib6_nh_init+0x3d8/0x1580 [ 4621.379565][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4621.379565][ T74] ip6_route_add+0x1c/0x140 [ 4621.379565][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4621.379565][ T74] inet6_addr_add+0x4f8/0xa40 [ 4621.379565][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4621.379565][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4621.379565][ T74] netlink_rcv_skb+0x130/0x360 [ 4621.379565][ T74] netlink_unicast+0x449/0x710 [ 4621.379565][ T74] netlink_sendmsg+0x723/0xbe0 [ 4621.379565][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4621.379565][ T74] ___sys_sendmsg+0xee/0x170 [ 4621.379565][ T74] __sys_sendmsg+0xcd/0x170 [ 4621.379565][ T74] do_syscall_64+0xc6/0x1e0 [ 4621.379565][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4621.379565][ T74] [ 4621.381593][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4621.381593][ T74] netdev_get_by_index+0x5e/0x80 [ 4621.381593][ T74] fib6_nh_init+0x3d8/0x1580 [ 4621.381593][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4621.381593][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4621.381593][ T74] ipv6_add_addr+0x411/0x2000 [ 4621.381593][ T74] inet6_addr_add+0x30e/0xa40 [ 4621.381593][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4621.381593][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4621.381593][ T74] netlink_rcv_skb+0x130/0x360 [ 4621.381593][ T74] netlink_unicast+0x449/0x710 [ 4621.381593][ T74] netlink_sendmsg+0x723/0xbe0 [ 4621.381593][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4621.381593][ T74] ___sys_sendmsg+0xee/0x170 [ 4621.381593][ T74] __sys_sendmsg+0xcd/0x170 [ 4621.381593][ T74] do_syscall_64+0xc6/0x1e0 [ 4621.381593][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4621.381593][ T74] [ 4621.383640][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4621.383640][ T74] netdev_get_by_index+0x5e/0x80 [ 4621.383640][ T74] fib6_nh_init+0x3d8/0x1580 [ 4621.383640][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4621.383640][ T74] ip6_route_add+0x1c/0x140 [ 4621.383640][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4621.383640][ T74] addrconf_add_dev+0xe2/0x170 [ 4621.383640][ T74] inet6_addr_add+0x12f/0xa40 [ 4621.383640][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4621.383640][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4621.383640][ T74] netlink_rcv_skb+0x130/0x360 [ 4621.383640][ T74] netlink_unicast+0x449/0x710 [ 4621.383640][ T74] netlink_sendmsg+0x723/0xbe0 [ 4621.383640][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4621.383640][ T74] ___sys_sendmsg+0xee/0x170 [ 4621.383640][ T74] __sys_sendmsg+0xcd/0x170 [ 4621.383640][ T74] do_syscall_64+0xc6/0x1e0 [ 4621.383640][ T74] [ 4621.385656][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4621.385656][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4621.385656][ T74] ipv6_find_idev+0x102/0x170 [ 4621.385656][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4621.385656][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4621.385656][ T74] netlink_rcv_skb+0x130/0x360 [ 4621.385656][ T74] netlink_unicast+0x449/0x710 [ 4621.385656][ T74] netlink_sendmsg+0x723/0xbe0 [ 4621.385656][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4621.385656][ T74] ___sys_sendmsg+0xee/0x170 [ 4621.385656][ T74] __sys_sendmsg+0xcd/0x170 [ 4621.385656][ T74] do_syscall_64+0xc6/0x1e0 [ 4621.385656][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4621.385656][ T74] [ 4621.387430][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4621.387430][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4621.387430][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4621.387430][ T74] ipv6_find_idev+0x102/0x170 [ 4621.387430][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4621.387430][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4621.387430][ T74] netlink_rcv_skb+0x130/0x360 [ 4621.387430][ T74] netlink_unicast+0x449/0x710 [ 4621.387430][ T74] netlink_sendmsg+0x723/0xbe0 [ 4621.387430][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4621.387430][ T74] ___sys_sendmsg+0xee/0x170 [ 4621.387430][ T74] __sys_sendmsg+0xcd/0x170 [ 4621.387430][ T74] do_syscall_64+0xc6/0x1e0 [ 4621.387430][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4621.387430][ T74] [ 4621.389329][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4621.389592][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4621.389592][ T74] netdev_get_by_index+0x5e/0x80 [ 4621.389592][ T74] fib6_nh_init+0x3d8/0x1580 [ 4621.389592][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4621.389592][ T74] ip6_route_add+0x1c/0x140 [ 4621.389592][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4621.389592][ T74] inet6_addr_add+0x4f8/0xa40 [ 4621.389592][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4621.389592][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4621.389592][ T74] netlink_rcv_skb+0x130/0x360 [ 4621.389592][ T74] netlink_unicast+0x449/0x710 [ 4621.389592][ T74] netlink_sendmsg+0x723/0xbe0 [ 4621.389592][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4621.389592][ T74] ___sys_sendmsg+0xee/0x170 [ 4621.389592][ T74] __sys_sendmsg+0xcd/0x170 [ 4621.389592][ T74] do_syscall_64+0xc6/0x1e0 [ 4621.389592][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4621.389592][ T74] [ 4621.391889][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4621.391889][ T74] netdev_get_by_index+0x5e/0x80 [ 4621.391889][ T74] fib6_nh_init+0x3d8/0x1580 [ 4621.391889][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4621.391889][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4621.391889][ T74] ipv6_add_addr+0x411/0x2000 [ 4621.391889][ T74] inet6_addr_add+0x30e/0xa40 [ 4621.391889][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4621.391889][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4621.391889][ T74] netlink_rcv_skb+0x130/0x360 [ 4621.391889][ T74] netlink_unicast+0x449/0x710 [ 4621.391889][ T74] netlink_sendmsg+0x723/0xbe0 [ 4621.391889][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4621.391889][ T74] ___sys_sendmsg+0xee/0x170 [ 4621.391889][ T74] __sys_sendmsg+0xcd/0x170 [ 4621.391889][ T74] do_syscall_64+0xc6/0x1e0 [ 4621.391889][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4621.391889][ T74] [ 4621.394232][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4621.394232][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4621.394232][ T74] ipv6_find_idev+0x102/0x170 [ 4621.394232][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4621.394232][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4621.394232][ T74] netlink_rcv_skb+0x130/0x360 [ 4621.394232][ T74] netlink_unicast+0x449/0x710 [ 4621.394232][ T74] netlink_sendmsg+0x723/0xbe0 [ 4621.394232][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4621.394232][ T74] ___sys_sendmsg+0xee/0x170 [ 4621.394232][ T74] __sys_sendmsg+0xcd/0x170 [ 4621.394232][ T74] do_syscall_64+0xc6/0x1e0 [ 4621.394232][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4621.394232][ T74] [ 4621.395989][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4621.395989][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4621.395989][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4621.395989][ T74] ipv6_find_idev+0x102/0x170 [ 4621.395989][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4621.395989][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4621.395989][ T74] netlink_rcv_skb+0x130/0x360 [ 4621.395989][ T74] netlink_unicast+0x449/0x710 [ 4621.395989][ T74] netlink_sendmsg+0x723/0xbe0 [ 4621.395989][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4621.395989][ T74] ___sys_sendmsg+0xee/0x170 [ 4621.395989][ T74] __sys_sendmsg+0xcd/0x170 [ 4621.395989][ T74] do_syscall_64+0xc6/0x1e0 [ 4621.395989][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4621.395989][ T74] [ 4631.407952][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4631.408427][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4631.408427][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4631.408427][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4631.408427][ T74] fib6_nh_init+0xa22/0x1580 [ 4631.408427][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4631.408427][ T74] ip6_route_add+0x1c/0x140 [ 4631.408427][ T74] inet6_rtm_newroute+0x104/0x110 [ 4631.408427][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4631.408427][ T74] netlink_rcv_skb+0x130/0x360 [ 4631.408427][ T74] netlink_unicast+0x449/0x710 [ 4631.408427][ T74] netlink_sendmsg+0x723/0xbe0 [ 4631.408427][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4631.408427][ T74] ___sys_sendmsg+0xee/0x170 [ 4631.408427][ T74] __sys_sendmsg+0xcd/0x170 [ 4631.408427][ T74] do_syscall_64+0xc6/0x1e0 [ 4631.408427][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4631.408427][ T74] [ 4631.410371][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4631.410371][ T74] netdev_get_by_index+0x5e/0x80 [ 4631.410371][ T74] fib6_nh_init+0x3d8/0x1580 [ 4631.410371][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4631.410371][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4631.410371][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4631.410371][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4631.410371][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4631.410371][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4631.410371][ T74] addrconf_dad_begin+0x310/0x670 [ 4631.410371][ T74] addrconf_dad_work+0x10b/0xab0 [ 4631.410371][ T74] process_one_work+0x84d/0x18a0 [ 4631.410371][ T74] worker_thread+0x587/0xd30 [ 4631.410371][ T74] kthread+0x28a/0x350 [ 4631.410371][ T74] ret_from_fork+0x31/0x70 [ 4631.410371][ T74] ret_from_fork_asm+0x1a/0x30 [ 4631.410371][ T74] [ 4631.412340][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4631.412340][ T74] netdev_get_by_index+0x5e/0x80 [ 4631.412340][ T74] fib6_nh_init+0x3d8/0x1580 [ 4631.412340][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4631.412340][ T74] ip6_route_add+0x1c/0x140 [ 4631.412340][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4631.412340][ T74] inet6_addr_add+0x4f8/0xa40 [ 4631.412340][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4631.412340][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4631.412340][ T74] netlink_rcv_skb+0x130/0x360 [ 4631.412340][ T74] netlink_unicast+0x449/0x710 [ 4631.412340][ T74] netlink_sendmsg+0x723/0xbe0 [ 4631.412340][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4631.412340][ T74] ___sys_sendmsg+0xee/0x170 [ 4631.412340][ T74] __sys_sendmsg+0xcd/0x170 [ 4631.412340][ T74] do_syscall_64+0xc6/0x1e0 [ 4631.412340][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4631.412340][ T74] [ 4631.414369][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4631.414369][ T74] netdev_get_by_index+0x5e/0x80 [ 4631.414369][ T74] fib6_nh_init+0x3d8/0x1580 [ 4631.414369][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4631.414369][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4631.414369][ T74] ipv6_add_addr+0x411/0x2000 [ 4631.414369][ T74] inet6_addr_add+0x30e/0xa40 [ 4631.414369][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4631.414369][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4631.414369][ T74] netlink_rcv_skb+0x130/0x360 [ 4631.414369][ T74] netlink_unicast+0x449/0x710 [ 4631.414369][ T74] netlink_sendmsg+0x723/0xbe0 [ 4631.414369][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4631.414369][ T74] ___sys_sendmsg+0xee/0x170 [ 4631.414369][ T74] __sys_sendmsg+0xcd/0x170 [ 4631.414369][ T74] do_syscall_64+0xc6/0x1e0 [ 4631.414369][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4631.414369][ T74] [ 4631.416411][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4631.416411][ T74] netdev_get_by_index+0x5e/0x80 [ 4631.416411][ T74] fib6_nh_init+0x3d8/0x1580 [ 4631.416411][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4631.416411][ T74] ip6_route_add+0x1c/0x140 [ 4631.416411][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4631.416411][ T74] addrconf_add_dev+0xe2/0x170 [ 4631.416411][ T74] inet6_addr_add+0x12f/0xa40 [ 4631.416411][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4631.416411][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4631.416411][ T74] netlink_rcv_skb+0x130/0x360 [ 4631.416411][ T74] netlink_unicast+0x449/0x710 [ 4631.416411][ T74] netlink_sendmsg+0x723/0xbe0 [ 4631.416411][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4631.416411][ T74] ___sys_sendmsg+0xee/0x170 [ 4631.416411][ T74] __sys_sendmsg+0xcd/0x170 [ 4631.416411][ T74] do_syscall_64+0xc6/0x1e0 [ 4631.416411][ T74] [ 4631.418426][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4631.418426][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4631.418426][ T74] ipv6_find_idev+0x102/0x170 [ 4631.418426][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4631.418426][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4631.418426][ T74] netlink_rcv_skb+0x130/0x360 [ 4631.418426][ T74] netlink_unicast+0x449/0x710 [ 4631.418426][ T74] netlink_sendmsg+0x723/0xbe0 [ 4631.418426][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4631.418426][ T74] ___sys_sendmsg+0xee/0x170 [ 4631.418426][ T74] __sys_sendmsg+0xcd/0x170 [ 4631.418426][ T74] do_syscall_64+0xc6/0x1e0 [ 4631.418426][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4631.418426][ T74] [ 4631.419991][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4631.419991][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4631.419991][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4631.419991][ T74] ipv6_find_idev+0x102/0x170 [ 4631.419991][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4631.419991][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4631.419991][ T74] netlink_rcv_skb+0x130/0x360 [ 4631.419991][ T74] netlink_unicast+0x449/0x710 [ 4631.419991][ T74] netlink_sendmsg+0x723/0xbe0 [ 4631.419991][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4631.419991][ T74] ___sys_sendmsg+0xee/0x170 [ 4631.419991][ T74] __sys_sendmsg+0xcd/0x170 [ 4631.419991][ T74] do_syscall_64+0xc6/0x1e0 [ 4631.419991][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4631.419991][ T74] [ 4631.421722][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4631.422006][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4631.422006][ T74] dst_init+0x84/0x4a0 [ 4631.422006][ T74] dst_alloc+0x97/0x150 [ 4631.422006][ T74] ip6_dst_alloc+0x23/0x90 [ 4631.422006][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4631.422006][ T74] ip6_pol_route+0x56f/0x840 [ 4631.422006][ T74] fib6_rule_lookup+0x456/0x630 [ 4631.422006][ T74] ip6_route_input+0x59c/0xa50 [ 4631.422006][ T74] ipv6_rcv+0x397/0x810 [ 4631.422006][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4631.422006][ T74] process_backlog+0x101/0x620 [ 4631.422006][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4631.422006][ T74] net_rx_action+0x495/0xbe0 [ 4631.422006][ T74] __do_softirq+0x1b5/0x7f6 [ 4631.422006][ T74] [ 4631.423693][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4631.423693][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4631.423693][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4631.423693][ T74] fib6_nh_init+0xa22/0x1580 [ 4631.423693][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4631.423693][ T74] ip6_route_add+0x1c/0x140 [ 4631.423693][ T74] inet6_rtm_newroute+0x104/0x110 [ 4631.423693][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4631.423693][ T74] netlink_rcv_skb+0x130/0x360 [ 4631.423693][ T74] netlink_unicast+0x449/0x710 [ 4631.423693][ T74] netlink_sendmsg+0x723/0xbe0 [ 4631.423693][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4631.423693][ T74] ___sys_sendmsg+0xee/0x170 [ 4631.423693][ T74] __sys_sendmsg+0xcd/0x170 [ 4631.423693][ T74] do_syscall_64+0xc6/0x1e0 [ 4631.423693][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4631.423693][ T74] [ 4631.425635][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4631.425635][ T74] netdev_get_by_index+0x5e/0x80 [ 4631.425635][ T74] fib6_nh_init+0x3d8/0x1580 [ 4631.425635][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4631.425635][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4631.425635][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4631.425635][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4631.425635][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4631.425635][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4631.425635][ T74] addrconf_dad_begin+0x310/0x670 [ 4631.425635][ T74] addrconf_dad_work+0x10b/0xab0 [ 4631.425635][ T74] process_one_work+0x84d/0x18a0 [ 4631.425635][ T74] worker_thread+0x587/0xd30 [ 4631.425635][ T74] kthread+0x28a/0x350 [ 4631.425635][ T74] ret_from_fork+0x31/0x70 [ 4631.425635][ T74] ret_from_fork_asm+0x1a/0x30 [ 4631.425635][ T74] [ 4631.427627][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4631.427627][ T74] netdev_get_by_index+0x5e/0x80 [ 4631.427627][ T74] fib6_nh_init+0x3d8/0x1580 [ 4631.427627][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4631.427627][ T74] ip6_route_add+0x1c/0x140 [ 4631.427627][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4631.427627][ T74] inet6_addr_add+0x4f8/0xa40 [ 4631.427627][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4631.427627][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4631.427627][ T74] netlink_rcv_skb+0x130/0x360 [ 4631.427627][ T74] netlink_unicast+0x449/0x710 [ 4631.427627][ T74] netlink_sendmsg+0x723/0xbe0 [ 4631.427627][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4631.427627][ T74] ___sys_sendmsg+0xee/0x170 [ 4631.427627][ T74] __sys_sendmsg+0xcd/0x170 [ 4631.427627][ T74] do_syscall_64+0xc6/0x1e0 [ 4631.427627][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4631.427627][ T74] [ 4631.429669][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4631.429669][ T74] netdev_get_by_index+0x5e/0x80 [ 4631.429669][ T74] fib6_nh_init+0x3d8/0x1580 [ 4631.429669][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4631.429669][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4631.429669][ T74] ipv6_add_addr+0x411/0x2000 [ 4631.429669][ T74] inet6_addr_add+0x30e/0xa40 [ 4631.429669][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4631.429669][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4631.429669][ T74] netlink_rcv_skb+0x130/0x360 [ 4631.429669][ T74] netlink_unicast+0x449/0x710 [ 4631.429669][ T74] netlink_sendmsg+0x723/0xbe0 [ 4631.429669][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4631.429669][ T74] ___sys_sendmsg+0xee/0x170 [ 4631.429669][ T74] __sys_sendmsg+0xcd/0x170 [ 4631.429669][ T74] do_syscall_64+0xc6/0x1e0 [ 4631.429669][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4631.429669][ T74] [ 4631.431702][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4631.431702][ T74] netdev_get_by_index+0x5e/0x80 [ 4631.431702][ T74] fib6_nh_init+0x3d8/0x1580 [ 4631.431702][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4631.431702][ T74] ip6_route_add+0x1c/0x140 [ 4631.431702][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4631.431702][ T74] addrconf_add_dev+0xe2/0x170 [ 4631.431702][ T74] inet6_addr_add+0x12f/0xa40 [ 4631.431702][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4631.431702][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4631.431702][ T74] netlink_rcv_skb+0x130/0x360 [ 4631.431702][ T74] netlink_unicast+0x449/0x710 [ 4631.431702][ T74] netlink_sendmsg+0x723/0xbe0 [ 4631.431702][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4631.431702][ T74] ___sys_sendmsg+0xee/0x170 [ 4631.431702][ T74] __sys_sendmsg+0xcd/0x170 [ 4631.431702][ T74] do_syscall_64+0xc6/0x1e0 [ 4631.431702][ T74] [ 4631.433713][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4631.433713][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4631.433713][ T74] ipv6_find_idev+0x102/0x170 [ 4631.433713][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4631.433713][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4631.433713][ T74] netlink_rcv_skb+0x130/0x360 [ 4631.433713][ T74] netlink_unicast+0x449/0x710 [ 4631.433713][ T74] netlink_sendmsg+0x723/0xbe0 [ 4631.433713][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4631.433713][ T74] ___sys_sendmsg+0xee/0x170 [ 4631.433713][ T74] __sys_sendmsg+0xcd/0x170 [ 4631.433713][ T74] do_syscall_64+0xc6/0x1e0 [ 4631.433713][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4631.433713][ T74] [ 4631.435423][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4631.435423][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4631.435423][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4631.435423][ T74] ipv6_find_idev+0x102/0x170 [ 4631.435423][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4631.435423][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4631.435423][ T74] netlink_rcv_skb+0x130/0x360 [ 4631.435423][ T74] netlink_unicast+0x449/0x710 [ 4631.435423][ T74] netlink_sendmsg+0x723/0xbe0 [ 4631.435423][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4631.435423][ T74] ___sys_sendmsg+0xee/0x170 [ 4631.435423][ T74] __sys_sendmsg+0xcd/0x170 [ 4631.435423][ T74] do_syscall_64+0xc6/0x1e0 [ 4631.435423][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4631.435423][ T74] [ 4631.437223][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4631.437464][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4631.437464][ T74] netdev_get_by_index+0x5e/0x80 [ 4631.437464][ T74] fib6_nh_init+0x3d8/0x1580 [ 4631.437464][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4631.437464][ T74] ip6_route_add+0x1c/0x140 [ 4631.437464][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4631.437464][ T74] inet6_addr_add+0x4f8/0xa40 [ 4631.437464][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4631.437464][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4631.437464][ T74] netlink_rcv_skb+0x130/0x360 [ 4631.437464][ T74] netlink_unicast+0x449/0x710 [ 4631.437464][ T74] netlink_sendmsg+0x723/0xbe0 [ 4631.437464][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4631.437464][ T74] ___sys_sendmsg+0xee/0x170 [ 4631.437464][ T74] __sys_sendmsg+0xcd/0x170 [ 4631.437464][ T74] do_syscall_64+0xc6/0x1e0 [ 4631.437464][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4631.437464][ T74] [ 4631.439636][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4631.439636][ T74] netdev_get_by_index+0x5e/0x80 [ 4631.439636][ T74] fib6_nh_init+0x3d8/0x1580 [ 4631.439636][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4631.439636][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4631.439636][ T74] ipv6_add_addr+0x411/0x2000 [ 4631.439636][ T74] inet6_addr_add+0x30e/0xa40 [ 4631.439636][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4631.439636][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4631.439636][ T74] netlink_rcv_skb+0x130/0x360 [ 4631.439636][ T74] netlink_unicast+0x449/0x710 [ 4631.439636][ T74] netlink_sendmsg+0x723/0xbe0 [ 4631.439636][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4631.439636][ T74] ___sys_sendmsg+0xee/0x170 [ 4631.439636][ T74] __sys_sendmsg+0xcd/0x170 [ 4631.439636][ T74] do_syscall_64+0xc6/0x1e0 [ 4631.439636][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4631.439636][ T74] [ 4631.441795][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4631.441795][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4631.441795][ T74] ipv6_find_idev+0x102/0x170 [ 4631.441795][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4631.441795][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4631.441795][ T74] netlink_rcv_skb+0x130/0x360 [ 4631.441795][ T74] netlink_unicast+0x449/0x710 [ 4631.441795][ T74] netlink_sendmsg+0x723/0xbe0 [ 4631.441795][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4631.441795][ T74] ___sys_sendmsg+0xee/0x170 [ 4631.441795][ T74] __sys_sendmsg+0xcd/0x170 [ 4631.441795][ T74] do_syscall_64+0xc6/0x1e0 [ 4631.441795][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4631.441795][ T74] [ 4631.443575][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4631.443575][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4631.443575][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4631.443575][ T74] ipv6_find_idev+0x102/0x170 [ 4631.443575][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4631.443575][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4631.443575][ T74] netlink_rcv_skb+0x130/0x360 [ 4631.443575][ T74] netlink_unicast+0x449/0x710 [ 4631.443575][ T74] netlink_sendmsg+0x723/0xbe0 [ 4631.443575][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4631.443575][ T74] ___sys_sendmsg+0xee/0x170 [ 4631.443575][ T74] __sys_sendmsg+0xcd/0x170 [ 4631.443575][ T74] do_syscall_64+0xc6/0x1e0 [ 4631.443575][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4631.443575][ T74] [ 4641.687983][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4641.688401][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4641.688401][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4641.688401][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4641.688401][ T74] fib6_nh_init+0xa22/0x1580 [ 4641.688401][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4641.688401][ T74] ip6_route_add+0x1c/0x140 [ 4641.688401][ T74] inet6_rtm_newroute+0x104/0x110 [ 4641.688401][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4641.688401][ T74] netlink_rcv_skb+0x130/0x360 [ 4641.688401][ T74] netlink_unicast+0x449/0x710 [ 4641.688401][ T74] netlink_sendmsg+0x723/0xbe0 [ 4641.688401][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4641.688401][ T74] ___sys_sendmsg+0xee/0x170 [ 4641.688401][ T74] __sys_sendmsg+0xcd/0x170 [ 4641.688401][ T74] do_syscall_64+0xc6/0x1e0 [ 4641.688401][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4641.688401][ T74] [ 4641.690349][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4641.690349][ T74] netdev_get_by_index+0x5e/0x80 [ 4641.690349][ T74] fib6_nh_init+0x3d8/0x1580 [ 4641.690349][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4641.690349][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4641.690349][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4641.690349][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4641.690349][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4641.690349][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4641.690349][ T74] addrconf_dad_begin+0x310/0x670 [ 4641.690349][ T74] addrconf_dad_work+0x10b/0xab0 [ 4641.690349][ T74] process_one_work+0x84d/0x18a0 [ 4641.690349][ T74] worker_thread+0x587/0xd30 [ 4641.690349][ T74] kthread+0x28a/0x350 [ 4641.690349][ T74] ret_from_fork+0x31/0x70 [ 4641.690349][ T74] ret_from_fork_asm+0x1a/0x30 [ 4641.690349][ T74] [ 4641.692316][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4641.692316][ T74] netdev_get_by_index+0x5e/0x80 [ 4641.692316][ T74] fib6_nh_init+0x3d8/0x1580 [ 4641.692316][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4641.692316][ T74] ip6_route_add+0x1c/0x140 [ 4641.692316][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4641.692316][ T74] inet6_addr_add+0x4f8/0xa40 [ 4641.692316][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4641.692316][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4641.692316][ T74] netlink_rcv_skb+0x130/0x360 [ 4641.692316][ T74] netlink_unicast+0x449/0x710 [ 4641.692316][ T74] netlink_sendmsg+0x723/0xbe0 [ 4641.692316][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4641.692316][ T74] ___sys_sendmsg+0xee/0x170 [ 4641.692316][ T74] __sys_sendmsg+0xcd/0x170 [ 4641.692316][ T74] do_syscall_64+0xc6/0x1e0 [ 4641.692316][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4641.692316][ T74] [ 4641.694351][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4641.694351][ T74] netdev_get_by_index+0x5e/0x80 [ 4641.694351][ T74] fib6_nh_init+0x3d8/0x1580 [ 4641.694351][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4641.694351][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4641.694351][ T74] ipv6_add_addr+0x411/0x2000 [ 4641.694351][ T74] inet6_addr_add+0x30e/0xa40 [ 4641.694351][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4641.694351][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4641.694351][ T74] netlink_rcv_skb+0x130/0x360 [ 4641.694351][ T74] netlink_unicast+0x449/0x710 [ 4641.694351][ T74] netlink_sendmsg+0x723/0xbe0 [ 4641.694351][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4641.694351][ T74] ___sys_sendmsg+0xee/0x170 [ 4641.694351][ T74] __sys_sendmsg+0xcd/0x170 [ 4641.694351][ T74] do_syscall_64+0xc6/0x1e0 [ 4641.694351][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4641.694351][ T74] [ 4641.696395][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4641.696395][ T74] netdev_get_by_index+0x5e/0x80 [ 4641.696395][ T74] fib6_nh_init+0x3d8/0x1580 [ 4641.696395][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4641.696395][ T74] ip6_route_add+0x1c/0x140 [ 4641.696395][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4641.696395][ T74] addrconf_add_dev+0xe2/0x170 [ 4641.696395][ T74] inet6_addr_add+0x12f/0xa40 [ 4641.696395][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4641.696395][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4641.696395][ T74] netlink_rcv_skb+0x130/0x360 [ 4641.696395][ T74] netlink_unicast+0x449/0x710 [ 4641.696395][ T74] netlink_sendmsg+0x723/0xbe0 [ 4641.696395][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4641.696395][ T74] ___sys_sendmsg+0xee/0x170 [ 4641.696395][ T74] __sys_sendmsg+0xcd/0x170 [ 4641.696395][ T74] do_syscall_64+0xc6/0x1e0 [ 4641.696395][ T74] [ 4641.698410][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4641.698410][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4641.698410][ T74] ipv6_find_idev+0x102/0x170 [ 4641.698410][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4641.698410][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4641.698410][ T74] netlink_rcv_skb+0x130/0x360 [ 4641.698410][ T74] netlink_unicast+0x449/0x710 [ 4641.698410][ T74] netlink_sendmsg+0x723/0xbe0 [ 4641.698410][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4641.698410][ T74] ___sys_sendmsg+0xee/0x170 [ 4641.698410][ T74] __sys_sendmsg+0xcd/0x170 [ 4641.698410][ T74] do_syscall_64+0xc6/0x1e0 [ 4641.698410][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4641.698410][ T74] [ 4641.699982][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4641.699982][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4641.699982][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4641.699982][ T74] ipv6_find_idev+0x102/0x170 [ 4641.699982][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4641.699982][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4641.699982][ T74] netlink_rcv_skb+0x130/0x360 [ 4641.699982][ T74] netlink_unicast+0x449/0x710 [ 4641.699982][ T74] netlink_sendmsg+0x723/0xbe0 [ 4641.699982][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4641.699982][ T74] ___sys_sendmsg+0xee/0x170 [ 4641.699982][ T74] __sys_sendmsg+0xcd/0x170 [ 4641.699982][ T74] do_syscall_64+0xc6/0x1e0 [ 4641.699982][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4641.699982][ T74] [ 4641.701704][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4641.701989][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4641.701989][ T74] dst_init+0x84/0x4a0 [ 4641.701989][ T74] dst_alloc+0x97/0x150 [ 4641.701989][ T74] ip6_dst_alloc+0x23/0x90 [ 4641.701989][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4641.701989][ T74] ip6_pol_route+0x56f/0x840 [ 4641.701989][ T74] fib6_rule_lookup+0x456/0x630 [ 4641.701989][ T74] ip6_route_input+0x59c/0xa50 [ 4641.701989][ T74] ipv6_rcv+0x397/0x810 [ 4641.701989][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4641.701989][ T74] process_backlog+0x101/0x620 [ 4641.701989][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4641.701989][ T74] net_rx_action+0x495/0xbe0 [ 4641.701989][ T74] __do_softirq+0x1b5/0x7f6 [ 4641.701989][ T74] [ 4641.703660][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4641.703660][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4641.703660][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4641.703660][ T74] fib6_nh_init+0xa22/0x1580 [ 4641.703660][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4641.703660][ T74] ip6_route_add+0x1c/0x140 [ 4641.703660][ T74] inet6_rtm_newroute+0x104/0x110 [ 4641.703660][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4641.703660][ T74] netlink_rcv_skb+0x130/0x360 [ 4641.703660][ T74] netlink_unicast+0x449/0x710 [ 4641.703660][ T74] netlink_sendmsg+0x723/0xbe0 [ 4641.703660][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4641.703660][ T74] ___sys_sendmsg+0xee/0x170 [ 4641.703660][ T74] __sys_sendmsg+0xcd/0x170 [ 4641.703660][ T74] do_syscall_64+0xc6/0x1e0 [ 4641.703660][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4641.703660][ T74] [ 4641.705582][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4641.705582][ T74] netdev_get_by_index+0x5e/0x80 [ 4641.705582][ T74] fib6_nh_init+0x3d8/0x1580 [ 4641.705582][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4641.705582][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4641.705582][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4641.705582][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4641.705582][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4641.705582][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4641.705582][ T74] addrconf_dad_begin+0x310/0x670 [ 4641.705582][ T74] addrconf_dad_work+0x10b/0xab0 [ 4641.705582][ T74] process_one_work+0x84d/0x18a0 [ 4641.705582][ T74] worker_thread+0x587/0xd30 [ 4641.705582][ T74] kthread+0x28a/0x350 [ 4641.705582][ T74] ret_from_fork+0x31/0x70 [ 4641.705582][ T74] ret_from_fork_asm+0x1a/0x30 [ 4641.705582][ T74] [ 4641.707529][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4641.707529][ T74] netdev_get_by_index+0x5e/0x80 [ 4641.707529][ T74] fib6_nh_init+0x3d8/0x1580 [ 4641.707529][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4641.707529][ T74] ip6_route_add+0x1c/0x140 [ 4641.707529][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4641.707529][ T74] inet6_addr_add+0x4f8/0xa40 [ 4641.707529][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4641.707529][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4641.707529][ T74] netlink_rcv_skb+0x130/0x360 [ 4641.707529][ T74] netlink_unicast+0x449/0x710 [ 4641.707529][ T74] netlink_sendmsg+0x723/0xbe0 [ 4641.707529][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4641.707529][ T74] ___sys_sendmsg+0xee/0x170 [ 4641.707529][ T74] __sys_sendmsg+0xcd/0x170 [ 4641.707529][ T74] do_syscall_64+0xc6/0x1e0 [ 4641.707529][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4641.707529][ T74] [ 4641.709570][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4641.709570][ T74] netdev_get_by_index+0x5e/0x80 [ 4641.709570][ T74] fib6_nh_init+0x3d8/0x1580 [ 4641.709570][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4641.709570][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4641.709570][ T74] ipv6_add_addr+0x411/0x2000 [ 4641.709570][ T74] inet6_addr_add+0x30e/0xa40 [ 4641.709570][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4641.709570][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4641.709570][ T74] netlink_rcv_skb+0x130/0x360 [ 4641.709570][ T74] netlink_unicast+0x449/0x710 [ 4641.709570][ T74] netlink_sendmsg+0x723/0xbe0 [ 4641.709570][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4641.709570][ T74] ___sys_sendmsg+0xee/0x170 [ 4641.709570][ T74] __sys_sendmsg+0xcd/0x170 [ 4641.709570][ T74] do_syscall_64+0xc6/0x1e0 [ 4641.709570][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4641.709570][ T74] [ 4641.711603][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4641.711603][ T74] netdev_get_by_index+0x5e/0x80 [ 4641.711603][ T74] fib6_nh_init+0x3d8/0x1580 [ 4641.711603][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4641.711603][ T74] ip6_route_add+0x1c/0x140 [ 4641.711603][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4641.711603][ T74] addrconf_add_dev+0xe2/0x170 [ 4641.711603][ T74] inet6_addr_add+0x12f/0xa40 [ 4641.711603][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4641.711603][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4641.711603][ T74] netlink_rcv_skb+0x130/0x360 [ 4641.711603][ T74] netlink_unicast+0x449/0x710 [ 4641.711603][ T74] netlink_sendmsg+0x723/0xbe0 [ 4641.711603][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4641.711603][ T74] ___sys_sendmsg+0xee/0x170 [ 4641.711603][ T74] __sys_sendmsg+0xcd/0x170 [ 4641.711603][ T74] do_syscall_64+0xc6/0x1e0 [ 4641.711603][ T74] [ 4641.713608][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4641.713608][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4641.713608][ T74] ipv6_find_idev+0x102/0x170 [ 4641.713608][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4641.713608][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4641.713608][ T74] netlink_rcv_skb+0x130/0x360 [ 4641.713608][ T74] netlink_unicast+0x449/0x710 [ 4641.713608][ T74] netlink_sendmsg+0x723/0xbe0 [ 4641.713608][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4641.713608][ T74] ___sys_sendmsg+0xee/0x170 [ 4641.713608][ T74] __sys_sendmsg+0xcd/0x170 [ 4641.713608][ T74] do_syscall_64+0xc6/0x1e0 [ 4641.713608][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4641.713608][ T74] [ 4641.715379][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4641.715379][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4641.715379][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4641.715379][ T74] ipv6_find_idev+0x102/0x170 [ 4641.715379][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4641.715379][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4641.715379][ T74] netlink_rcv_skb+0x130/0x360 [ 4641.715379][ T74] netlink_unicast+0x449/0x710 [ 4641.715379][ T74] netlink_sendmsg+0x723/0xbe0 [ 4641.715379][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4641.715379][ T74] ___sys_sendmsg+0xee/0x170 [ 4641.715379][ T74] __sys_sendmsg+0xcd/0x170 [ 4641.715379][ T74] do_syscall_64+0xc6/0x1e0 [ 4641.715379][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4641.715379][ T74] [ 4641.717392][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4641.717632][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4641.717632][ T74] netdev_get_by_index+0x5e/0x80 [ 4641.717632][ T74] fib6_nh_init+0x3d8/0x1580 [ 4641.717632][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4641.717632][ T74] ip6_route_add+0x1c/0x140 [ 4641.717632][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4641.717632][ T74] inet6_addr_add+0x4f8/0xa40 [ 4641.717632][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4641.717632][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4641.717632][ T74] netlink_rcv_skb+0x130/0x360 [ 4641.717632][ T74] netlink_unicast+0x449/0x710 [ 4641.717632][ T74] netlink_sendmsg+0x723/0xbe0 [ 4641.717632][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4641.717632][ T74] ___sys_sendmsg+0xee/0x170 [ 4641.717632][ T74] __sys_sendmsg+0xcd/0x170 [ 4641.717632][ T74] do_syscall_64+0xc6/0x1e0 [ 4641.717632][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4641.717632][ T74] [ 4641.719921][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4641.719921][ T74] netdev_get_by_index+0x5e/0x80 [ 4641.719921][ T74] fib6_nh_init+0x3d8/0x1580 [ 4641.719921][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4641.719921][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4641.719921][ T74] ipv6_add_addr+0x411/0x2000 [ 4641.719921][ T74] inet6_addr_add+0x30e/0xa40 [ 4641.719921][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4641.719921][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4641.719921][ T74] netlink_rcv_skb+0x130/0x360 [ 4641.719921][ T74] netlink_unicast+0x449/0x710 [ 4641.719921][ T74] netlink_sendmsg+0x723/0xbe0 [ 4641.719921][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4641.719921][ T74] ___sys_sendmsg+0xee/0x170 [ 4641.719921][ T74] __sys_sendmsg+0xcd/0x170 [ 4641.719921][ T74] do_syscall_64+0xc6/0x1e0 [ 4641.719921][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4641.719921][ T74] [ 4641.722193][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4641.722193][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4641.722193][ T74] ipv6_find_idev+0x102/0x170 [ 4641.722193][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4641.722193][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4641.722193][ T74] netlink_rcv_skb+0x130/0x360 [ 4641.722193][ T74] netlink_unicast+0x449/0x710 [ 4641.722193][ T74] netlink_sendmsg+0x723/0xbe0 [ 4641.722193][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4641.722193][ T74] ___sys_sendmsg+0xee/0x170 [ 4641.722193][ T74] __sys_sendmsg+0xcd/0x170 [ 4641.722193][ T74] do_syscall_64+0xc6/0x1e0 [ 4641.722193][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4641.722193][ T74] [ 4641.723949][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4641.723949][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4641.723949][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4641.723949][ T74] ipv6_find_idev+0x102/0x170 [ 4641.723949][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4641.723949][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4641.723949][ T74] netlink_rcv_skb+0x130/0x360 [ 4641.723949][ T74] netlink_unicast+0x449/0x710 [ 4641.723949][ T74] netlink_sendmsg+0x723/0xbe0 [ 4641.723949][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4641.723949][ T74] ___sys_sendmsg+0xee/0x170 [ 4641.723949][ T74] __sys_sendmsg+0xcd/0x170 [ 4641.723949][ T74] do_syscall_64+0xc6/0x1e0 [ 4641.723949][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4641.723949][ T74] [ 4651.967953][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4651.968369][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4651.968369][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4651.968369][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4651.968369][ T74] fib6_nh_init+0xa22/0x1580 [ 4651.968369][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4651.968369][ T74] ip6_route_add+0x1c/0x140 [ 4651.968369][ T74] inet6_rtm_newroute+0x104/0x110 [ 4651.968369][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4651.968369][ T74] netlink_rcv_skb+0x130/0x360 [ 4651.968369][ T74] netlink_unicast+0x449/0x710 [ 4651.968369][ T74] netlink_sendmsg+0x723/0xbe0 [ 4651.968369][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4651.968369][ T74] ___sys_sendmsg+0xee/0x170 [ 4651.968369][ T74] __sys_sendmsg+0xcd/0x170 [ 4651.968369][ T74] do_syscall_64+0xc6/0x1e0 [ 4651.968369][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4651.968369][ T74] [ 4651.970327][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4651.970327][ T74] netdev_get_by_index+0x5e/0x80 [ 4651.970327][ T74] fib6_nh_init+0x3d8/0x1580 [ 4651.970327][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4651.970327][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4651.970327][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4651.970327][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4651.970327][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4651.970327][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4651.970327][ T74] addrconf_dad_begin+0x310/0x670 [ 4651.970327][ T74] addrconf_dad_work+0x10b/0xab0 [ 4651.970327][ T74] process_one_work+0x84d/0x18a0 [ 4651.970327][ T74] worker_thread+0x587/0xd30 [ 4651.970327][ T74] kthread+0x28a/0x350 [ 4651.970327][ T74] ret_from_fork+0x31/0x70 [ 4651.970327][ T74] ret_from_fork_asm+0x1a/0x30 [ 4651.970327][ T74] [ 4651.972395][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4651.972395][ T74] netdev_get_by_index+0x5e/0x80 [ 4651.972395][ T74] fib6_nh_init+0x3d8/0x1580 [ 4651.972395][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4651.972395][ T74] ip6_route_add+0x1c/0x140 [ 4651.972395][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4651.972395][ T74] inet6_addr_add+0x4f8/0xa40 [ 4651.972395][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4651.972395][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4651.972395][ T74] netlink_rcv_skb+0x130/0x360 [ 4651.972395][ T74] netlink_unicast+0x449/0x710 [ 4651.972395][ T74] netlink_sendmsg+0x723/0xbe0 [ 4651.972395][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4651.972395][ T74] ___sys_sendmsg+0xee/0x170 [ 4651.972395][ T74] __sys_sendmsg+0xcd/0x170 [ 4651.972395][ T74] do_syscall_64+0xc6/0x1e0 [ 4651.972395][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4651.972395][ T74] [ 4651.974441][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4651.974441][ T74] netdev_get_by_index+0x5e/0x80 [ 4651.974441][ T74] fib6_nh_init+0x3d8/0x1580 [ 4651.974441][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4651.974441][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4651.974441][ T74] ipv6_add_addr+0x411/0x2000 [ 4651.974441][ T74] inet6_addr_add+0x30e/0xa40 [ 4651.974441][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4651.974441][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4651.974441][ T74] netlink_rcv_skb+0x130/0x360 [ 4651.974441][ T74] netlink_unicast+0x449/0x710 [ 4651.974441][ T74] netlink_sendmsg+0x723/0xbe0 [ 4651.974441][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4651.974441][ T74] ___sys_sendmsg+0xee/0x170 [ 4651.974441][ T74] __sys_sendmsg+0xcd/0x170 [ 4651.974441][ T74] do_syscall_64+0xc6/0x1e0 [ 4651.974441][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4651.974441][ T74] [ 4651.976473][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4651.976473][ T74] netdev_get_by_index+0x5e/0x80 [ 4651.976473][ T74] fib6_nh_init+0x3d8/0x1580 [ 4651.976473][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4651.976473][ T74] ip6_route_add+0x1c/0x140 [ 4651.976473][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4651.976473][ T74] addrconf_add_dev+0xe2/0x170 [ 4651.976473][ T74] inet6_addr_add+0x12f/0xa40 [ 4651.976473][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4651.976473][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4651.976473][ T74] netlink_rcv_skb+0x130/0x360 [ 4651.976473][ T74] netlink_unicast+0x449/0x710 [ 4651.976473][ T74] netlink_sendmsg+0x723/0xbe0 [ 4651.976473][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4651.976473][ T74] ___sys_sendmsg+0xee/0x170 [ 4651.976473][ T74] __sys_sendmsg+0xcd/0x170 [ 4651.976473][ T74] do_syscall_64+0xc6/0x1e0 [ 4651.976473][ T74] [ 4651.978487][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4651.978487][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4651.978487][ T74] ipv6_find_idev+0x102/0x170 [ 4651.978487][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4651.978487][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4651.978487][ T74] netlink_rcv_skb+0x130/0x360 [ 4651.978487][ T74] netlink_unicast+0x449/0x710 [ 4651.978487][ T74] netlink_sendmsg+0x723/0xbe0 [ 4651.978487][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4651.978487][ T74] ___sys_sendmsg+0xee/0x170 [ 4651.978487][ T74] __sys_sendmsg+0xcd/0x170 [ 4651.978487][ T74] do_syscall_64+0xc6/0x1e0 [ 4651.978487][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4651.978487][ T74] [ 4651.980072][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4651.980072][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4651.980072][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4651.980072][ T74] ipv6_find_idev+0x102/0x170 [ 4651.980072][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4651.980072][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4651.980072][ T74] netlink_rcv_skb+0x130/0x360 [ 4651.980072][ T74] netlink_unicast+0x449/0x710 [ 4651.980072][ T74] netlink_sendmsg+0x723/0xbe0 [ 4651.980072][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4651.980072][ T74] ___sys_sendmsg+0xee/0x170 [ 4651.980072][ T74] __sys_sendmsg+0xcd/0x170 [ 4651.980072][ T74] do_syscall_64+0xc6/0x1e0 [ 4651.980072][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4651.980072][ T74] [ 4651.981801][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4651.982094][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4651.982094][ T74] dst_init+0x84/0x4a0 [ 4651.982094][ T74] dst_alloc+0x97/0x150 [ 4651.982094][ T74] ip6_dst_alloc+0x23/0x90 [ 4651.982094][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4651.982094][ T74] ip6_pol_route+0x56f/0x840 [ 4651.982094][ T74] fib6_rule_lookup+0x456/0x630 [ 4651.982094][ T74] ip6_route_input+0x59c/0xa50 [ 4651.982094][ T74] ipv6_rcv+0x397/0x810 [ 4651.982094][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4651.982094][ T74] process_backlog+0x101/0x620 [ 4651.982094][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4651.982094][ T74] net_rx_action+0x495/0xbe0 [ 4651.982094][ T74] __do_softirq+0x1b5/0x7f6 [ 4651.982094][ T74] [ 4651.983769][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4651.983769][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4651.983769][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4651.983769][ T74] fib6_nh_init+0xa22/0x1580 [ 4651.983769][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4651.983769][ T74] ip6_route_add+0x1c/0x140 [ 4651.983769][ T74] inet6_rtm_newroute+0x104/0x110 [ 4651.983769][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4651.983769][ T74] netlink_rcv_skb+0x130/0x360 [ 4651.983769][ T74] netlink_unicast+0x449/0x710 [ 4651.983769][ T74] netlink_sendmsg+0x723/0xbe0 [ 4651.983769][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4651.983769][ T74] ___sys_sendmsg+0xee/0x170 [ 4651.983769][ T74] __sys_sendmsg+0xcd/0x170 [ 4651.983769][ T74] do_syscall_64+0xc6/0x1e0 [ 4651.983769][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4651.983769][ T74] [ 4651.985704][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4651.985704][ T74] netdev_get_by_index+0x5e/0x80 [ 4651.985704][ T74] fib6_nh_init+0x3d8/0x1580 [ 4651.985704][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4651.985704][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4651.985704][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4651.985704][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4651.985704][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4651.985704][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4651.985704][ T74] addrconf_dad_begin+0x310/0x670 [ 4651.985704][ T74] addrconf_dad_work+0x10b/0xab0 [ 4651.985704][ T74] process_one_work+0x84d/0x18a0 [ 4651.985704][ T74] worker_thread+0x587/0xd30 [ 4651.985704][ T74] kthread+0x28a/0x350 [ 4651.985704][ T74] ret_from_fork+0x31/0x70 [ 4651.985704][ T74] ret_from_fork_asm+0x1a/0x30 [ 4651.985704][ T74] [ 4651.987657][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4651.987657][ T74] netdev_get_by_index+0x5e/0x80 [ 4651.987657][ T74] fib6_nh_init+0x3d8/0x1580 [ 4651.987657][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4651.987657][ T74] ip6_route_add+0x1c/0x140 [ 4651.987657][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4651.987657][ T74] inet6_addr_add+0x4f8/0xa40 [ 4651.987657][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4651.987657][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4651.987657][ T74] netlink_rcv_skb+0x130/0x360 [ 4651.987657][ T74] netlink_unicast+0x449/0x710 [ 4651.987657][ T74] netlink_sendmsg+0x723/0xbe0 [ 4651.987657][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4651.987657][ T74] ___sys_sendmsg+0xee/0x170 [ 4651.987657][ T74] __sys_sendmsg+0xcd/0x170 [ 4651.987657][ T74] do_syscall_64+0xc6/0x1e0 [ 4651.987657][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4651.987657][ T74] [ 4651.990226][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4651.990226][ T74] netdev_get_by_index+0x5e/0x80 [ 4651.990226][ T74] fib6_nh_init+0x3d8/0x1580 [ 4651.990226][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4651.990226][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4651.990226][ T74] ipv6_add_addr+0x411/0x2000 [ 4651.990226][ T74] inet6_addr_add+0x30e/0xa40 [ 4651.990226][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4651.990226][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4651.990226][ T74] netlink_rcv_skb+0x130/0x360 [ 4651.990226][ T74] netlink_unicast+0x449/0x710 [ 4651.990226][ T74] netlink_sendmsg+0x723/0xbe0 [ 4651.990226][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4651.990226][ T74] ___sys_sendmsg+0xee/0x170 [ 4651.990226][ T74] __sys_sendmsg+0xcd/0x170 [ 4651.990226][ T74] do_syscall_64+0xc6/0x1e0 [ 4651.990226][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4651.990226][ T74] [ 4651.992257][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4651.992257][ T74] netdev_get_by_index+0x5e/0x80 [ 4651.992257][ T74] fib6_nh_init+0x3d8/0x1580 [ 4651.992257][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4651.992257][ T74] ip6_route_add+0x1c/0x140 [ 4651.992257][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4651.992257][ T74] addrconf_add_dev+0xe2/0x170 [ 4651.992257][ T74] inet6_addr_add+0x12f/0xa40 [ 4651.992257][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4651.992257][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4651.992257][ T74] netlink_rcv_skb+0x130/0x360 [ 4651.992257][ T74] netlink_unicast+0x449/0x710 [ 4651.992257][ T74] netlink_sendmsg+0x723/0xbe0 [ 4651.992257][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4651.992257][ T74] ___sys_sendmsg+0xee/0x170 [ 4651.992257][ T74] __sys_sendmsg+0xcd/0x170 [ 4651.992257][ T74] do_syscall_64+0xc6/0x1e0 [ 4651.992257][ T74] [ 4651.994262][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4651.994262][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4651.994262][ T74] ipv6_find_idev+0x102/0x170 [ 4651.994262][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4651.994262][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4651.994262][ T74] netlink_rcv_skb+0x130/0x360 [ 4651.994262][ T74] netlink_unicast+0x449/0x710 [ 4651.994262][ T74] netlink_sendmsg+0x723/0xbe0 [ 4651.994262][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4651.994262][ T74] ___sys_sendmsg+0xee/0x170 [ 4651.994262][ T74] __sys_sendmsg+0xcd/0x170 [ 4651.994262][ T74] do_syscall_64+0xc6/0x1e0 [ 4651.994262][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4651.994262][ T74] [ 4651.996018][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4651.996018][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4651.996018][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4651.996018][ T74] ipv6_find_idev+0x102/0x170 [ 4651.996018][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4651.996018][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4651.996018][ T74] netlink_rcv_skb+0x130/0x360 [ 4651.996018][ T74] netlink_unicast+0x449/0x710 [ 4651.996018][ T74] netlink_sendmsg+0x723/0xbe0 [ 4651.996018][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4651.996018][ T74] ___sys_sendmsg+0xee/0x170 [ 4651.996018][ T74] __sys_sendmsg+0xcd/0x170 [ 4651.996018][ T74] do_syscall_64+0xc6/0x1e0 [ 4651.996018][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4651.996018][ T74] [ 4651.998000][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4651.998239][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4651.998239][ T74] netdev_get_by_index+0x5e/0x80 [ 4651.998239][ T74] fib6_nh_init+0x3d8/0x1580 [ 4651.998239][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4651.998239][ T74] ip6_route_add+0x1c/0x140 [ 4651.998239][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4651.998239][ T74] inet6_addr_add+0x4f8/0xa40 [ 4651.998239][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4651.998239][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4651.998239][ T74] netlink_rcv_skb+0x130/0x360 [ 4651.998239][ T74] netlink_unicast+0x449/0x710 [ 4651.998239][ T74] netlink_sendmsg+0x723/0xbe0 [ 4651.998239][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4651.998239][ T74] ___sys_sendmsg+0xee/0x170 [ 4651.998239][ T74] __sys_sendmsg+0xcd/0x170 [ 4651.998239][ T74] do_syscall_64+0xc6/0x1e0 [ 4651.998239][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4651.998239][ T74] [ 4652.000542][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4652.000542][ T74] netdev_get_by_index+0x5e/0x80 [ 4652.000542][ T74] fib6_nh_init+0x3d8/0x1580 [ 4652.000542][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4652.000542][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4652.000542][ T74] ipv6_add_addr+0x411/0x2000 [ 4652.000542][ T74] inet6_addr_add+0x30e/0xa40 [ 4652.000542][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4652.000542][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4652.000542][ T74] netlink_rcv_skb+0x130/0x360 [ 4652.000542][ T74] netlink_unicast+0x449/0x710 [ 4652.000542][ T74] netlink_sendmsg+0x723/0xbe0 [ 4652.000542][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4652.000542][ T74] ___sys_sendmsg+0xee/0x170 [ 4652.000542][ T74] __sys_sendmsg+0xcd/0x170 [ 4652.000542][ T74] do_syscall_64+0xc6/0x1e0 [ 4652.000542][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4652.000542][ T74] [ 4652.002837][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4652.002837][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4652.002837][ T74] ipv6_find_idev+0x102/0x170 [ 4652.002837][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4652.002837][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4652.002837][ T74] netlink_rcv_skb+0x130/0x360 [ 4652.002837][ T74] netlink_unicast+0x449/0x710 [ 4652.002837][ T74] netlink_sendmsg+0x723/0xbe0 [ 4652.002837][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4652.002837][ T74] ___sys_sendmsg+0xee/0x170 [ 4652.002837][ T74] __sys_sendmsg+0xcd/0x170 [ 4652.002837][ T74] do_syscall_64+0xc6/0x1e0 [ 4652.002837][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4652.002837][ T74] [ 4652.004590][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4652.004590][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4652.004590][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4652.004590][ T74] ipv6_find_idev+0x102/0x170 [ 4652.004590][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4652.004590][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4652.004590][ T74] netlink_rcv_skb+0x130/0x360 [ 4652.004590][ T74] netlink_unicast+0x449/0x710 [ 4652.004590][ T74] netlink_sendmsg+0x723/0xbe0 [ 4652.004590][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4652.004590][ T74] ___sys_sendmsg+0xee/0x170 [ 4652.004590][ T74] __sys_sendmsg+0xcd/0x170 [ 4652.004590][ T74] do_syscall_64+0xc6/0x1e0 [ 4652.004590][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4652.004590][ T74] [ 4662.336086][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4662.336520][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4662.336520][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4662.336520][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4662.336520][ T74] fib6_nh_init+0xa22/0x1580 [ 4662.336520][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4662.336520][ T74] ip6_route_add+0x1c/0x140 [ 4662.336520][ T74] inet6_rtm_newroute+0x104/0x110 [ 4662.336520][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4662.336520][ T74] netlink_rcv_skb+0x130/0x360 [ 4662.336520][ T74] netlink_unicast+0x449/0x710 [ 4662.336520][ T74] netlink_sendmsg+0x723/0xbe0 [ 4662.336520][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4662.336520][ T74] ___sys_sendmsg+0xee/0x170 [ 4662.336520][ T74] __sys_sendmsg+0xcd/0x170 [ 4662.336520][ T74] do_syscall_64+0xc6/0x1e0 [ 4662.336520][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4662.336520][ T74] [ 4662.338489][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4662.338489][ T74] netdev_get_by_index+0x5e/0x80 [ 4662.338489][ T74] fib6_nh_init+0x3d8/0x1580 [ 4662.338489][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4662.338489][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4662.338489][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4662.338489][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4662.338489][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4662.338489][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4662.338489][ T74] addrconf_dad_begin+0x310/0x670 [ 4662.338489][ T74] addrconf_dad_work+0x10b/0xab0 [ 4662.338489][ T74] process_one_work+0x84d/0x18a0 [ 4662.338489][ T74] worker_thread+0x587/0xd30 [ 4662.338489][ T74] kthread+0x28a/0x350 [ 4662.338489][ T74] ret_from_fork+0x31/0x70 [ 4662.338489][ T74] ret_from_fork_asm+0x1a/0x30 [ 4662.338489][ T74] [ 4662.340439][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4662.340439][ T74] netdev_get_by_index+0x5e/0x80 [ 4662.340439][ T74] fib6_nh_init+0x3d8/0x1580 [ 4662.340439][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4662.340439][ T74] ip6_route_add+0x1c/0x140 [ 4662.340439][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4662.340439][ T74] inet6_addr_add+0x4f8/0xa40 [ 4662.340439][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4662.340439][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4662.340439][ T74] netlink_rcv_skb+0x130/0x360 [ 4662.340439][ T74] netlink_unicast+0x449/0x710 [ 4662.340439][ T74] netlink_sendmsg+0x723/0xbe0 [ 4662.340439][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4662.340439][ T74] ___sys_sendmsg+0xee/0x170 [ 4662.340439][ T74] __sys_sendmsg+0xcd/0x170 [ 4662.340439][ T74] do_syscall_64+0xc6/0x1e0 [ 4662.340439][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4662.340439][ T74] [ 4662.342499][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4662.342499][ T74] netdev_get_by_index+0x5e/0x80 [ 4662.342499][ T74] fib6_nh_init+0x3d8/0x1580 [ 4662.342499][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4662.342499][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4662.342499][ T74] ipv6_add_addr+0x411/0x2000 [ 4662.342499][ T74] inet6_addr_add+0x30e/0xa40 [ 4662.342499][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4662.342499][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4662.342499][ T74] netlink_rcv_skb+0x130/0x360 [ 4662.342499][ T74] netlink_unicast+0x449/0x710 [ 4662.342499][ T74] netlink_sendmsg+0x723/0xbe0 [ 4662.342499][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4662.342499][ T74] ___sys_sendmsg+0xee/0x170 [ 4662.342499][ T74] __sys_sendmsg+0xcd/0x170 [ 4662.342499][ T74] do_syscall_64+0xc6/0x1e0 [ 4662.342499][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4662.342499][ T74] [ 4662.344554][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4662.344554][ T74] netdev_get_by_index+0x5e/0x80 [ 4662.344554][ T74] fib6_nh_init+0x3d8/0x1580 [ 4662.344554][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4662.344554][ T74] ip6_route_add+0x1c/0x140 [ 4662.344554][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4662.344554][ T74] addrconf_add_dev+0xe2/0x170 [ 4662.344554][ T74] inet6_addr_add+0x12f/0xa40 [ 4662.344554][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4662.344554][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4662.344554][ T74] netlink_rcv_skb+0x130/0x360 [ 4662.344554][ T74] netlink_unicast+0x449/0x710 [ 4662.344554][ T74] netlink_sendmsg+0x723/0xbe0 [ 4662.344554][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4662.344554][ T74] ___sys_sendmsg+0xee/0x170 [ 4662.344554][ T74] __sys_sendmsg+0xcd/0x170 [ 4662.344554][ T74] do_syscall_64+0xc6/0x1e0 [ 4662.344554][ T74] [ 4662.346569][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4662.346569][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4662.346569][ T74] ipv6_find_idev+0x102/0x170 [ 4662.346569][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4662.346569][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4662.346569][ T74] netlink_rcv_skb+0x130/0x360 [ 4662.346569][ T74] netlink_unicast+0x449/0x710 [ 4662.346569][ T74] netlink_sendmsg+0x723/0xbe0 [ 4662.346569][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4662.346569][ T74] ___sys_sendmsg+0xee/0x170 [ 4662.346569][ T74] __sys_sendmsg+0xcd/0x170 [ 4662.346569][ T74] do_syscall_64+0xc6/0x1e0 [ 4662.346569][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4662.346569][ T74] [ 4662.348141][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4662.348141][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4662.348141][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4662.348141][ T74] ipv6_find_idev+0x102/0x170 [ 4662.348141][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4662.348141][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4662.348141][ T74] netlink_rcv_skb+0x130/0x360 [ 4662.348141][ T74] netlink_unicast+0x449/0x710 [ 4662.348141][ T74] netlink_sendmsg+0x723/0xbe0 [ 4662.348141][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4662.348141][ T74] ___sys_sendmsg+0xee/0x170 [ 4662.348141][ T74] __sys_sendmsg+0xcd/0x170 [ 4662.348141][ T74] do_syscall_64+0xc6/0x1e0 [ 4662.348141][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4662.348141][ T74] [ 4662.349885][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4662.350168][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4662.350168][ T74] dst_init+0x84/0x4a0 [ 4662.350168][ T74] dst_alloc+0x97/0x150 [ 4662.350168][ T74] ip6_dst_alloc+0x23/0x90 [ 4662.350168][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4662.350168][ T74] ip6_pol_route+0x56f/0x840 [ 4662.350168][ T74] fib6_rule_lookup+0x456/0x630 [ 4662.350168][ T74] ip6_route_input+0x59c/0xa50 [ 4662.350168][ T74] ipv6_rcv+0x397/0x810 [ 4662.350168][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4662.350168][ T74] process_backlog+0x101/0x620 [ 4662.350168][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4662.350168][ T74] net_rx_action+0x495/0xbe0 [ 4662.350168][ T74] __do_softirq+0x1b5/0x7f6 [ 4662.350168][ T74] [ 4662.351829][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4662.351829][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4662.351829][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4662.351829][ T74] fib6_nh_init+0xa22/0x1580 [ 4662.351829][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4662.351829][ T74] ip6_route_add+0x1c/0x140 [ 4662.351829][ T74] inet6_rtm_newroute+0x104/0x110 [ 4662.351829][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4662.351829][ T74] netlink_rcv_skb+0x130/0x360 [ 4662.351829][ T74] netlink_unicast+0x449/0x710 [ 4662.351829][ T74] netlink_sendmsg+0x723/0xbe0 [ 4662.351829][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4662.351829][ T74] ___sys_sendmsg+0xee/0x170 [ 4662.351829][ T74] __sys_sendmsg+0xcd/0x170 [ 4662.351829][ T74] do_syscall_64+0xc6/0x1e0 [ 4662.351829][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4662.351829][ T74] [ 4662.353739][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4662.353739][ T74] netdev_get_by_index+0x5e/0x80 [ 4662.353739][ T74] fib6_nh_init+0x3d8/0x1580 [ 4662.353739][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4662.353739][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4662.353739][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4662.353739][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4662.353739][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4662.353739][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4662.353739][ T74] addrconf_dad_begin+0x310/0x670 [ 4662.353739][ T74] addrconf_dad_work+0x10b/0xab0 [ 4662.353739][ T74] process_one_work+0x84d/0x18a0 [ 4662.353739][ T74] worker_thread+0x587/0xd30 [ 4662.353739][ T74] kthread+0x28a/0x350 [ 4662.353739][ T74] ret_from_fork+0x31/0x70 [ 4662.353739][ T74] ret_from_fork_asm+0x1a/0x30 [ 4662.353739][ T74] [ 4662.355673][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4662.355673][ T74] netdev_get_by_index+0x5e/0x80 [ 4662.355673][ T74] fib6_nh_init+0x3d8/0x1580 [ 4662.355673][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4662.355673][ T74] ip6_route_add+0x1c/0x140 [ 4662.355673][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4662.355673][ T74] inet6_addr_add+0x4f8/0xa40 [ 4662.355673][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4662.355673][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4662.355673][ T74] netlink_rcv_skb+0x130/0x360 [ 4662.355673][ T74] netlink_unicast+0x449/0x710 [ 4662.355673][ T74] netlink_sendmsg+0x723/0xbe0 [ 4662.355673][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4662.355673][ T74] ___sys_sendmsg+0xee/0x170 [ 4662.355673][ T74] __sys_sendmsg+0xcd/0x170 [ 4662.355673][ T74] do_syscall_64+0xc6/0x1e0 [ 4662.355673][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4662.355673][ T74] [ 4662.357710][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4662.357710][ T74] netdev_get_by_index+0x5e/0x80 [ 4662.357710][ T74] fib6_nh_init+0x3d8/0x1580 [ 4662.357710][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4662.357710][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4662.357710][ T74] ipv6_add_addr+0x411/0x2000 [ 4662.357710][ T74] inet6_addr_add+0x30e/0xa40 [ 4662.357710][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4662.357710][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4662.357710][ T74] netlink_rcv_skb+0x130/0x360 [ 4662.357710][ T74] netlink_unicast+0x449/0x710 [ 4662.357710][ T74] netlink_sendmsg+0x723/0xbe0 [ 4662.357710][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4662.357710][ T74] ___sys_sendmsg+0xee/0x170 [ 4662.357710][ T74] __sys_sendmsg+0xcd/0x170 [ 4662.357710][ T74] do_syscall_64+0xc6/0x1e0 [ 4662.357710][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4662.357710][ T74] [ 4662.361989][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4662.361989][ T74] netdev_get_by_index+0x5e/0x80 [ 4662.361989][ T74] fib6_nh_init+0x3d8/0x1580 [ 4662.361989][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4662.361989][ T74] ip6_route_add+0x1c/0x140 [ 4662.361989][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4662.361989][ T74] addrconf_add_dev+0xe2/0x170 [ 4662.361989][ T74] inet6_addr_add+0x12f/0xa40 [ 4662.361989][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4662.361989][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4662.361989][ T74] netlink_rcv_skb+0x130/0x360 [ 4662.361989][ T74] netlink_unicast+0x449/0x710 [ 4662.361989][ T74] netlink_sendmsg+0x723/0xbe0 [ 4662.361989][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4662.361989][ T74] ___sys_sendmsg+0xee/0x170 [ 4662.361989][ T74] __sys_sendmsg+0xcd/0x170 [ 4662.361989][ T74] do_syscall_64+0xc6/0x1e0 [ 4662.361989][ T74] [ 4662.364002][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4662.364002][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4662.364002][ T74] ipv6_find_idev+0x102/0x170 [ 4662.364002][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4662.364002][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4662.364002][ T74] netlink_rcv_skb+0x130/0x360 [ 4662.364002][ T74] netlink_unicast+0x449/0x710 [ 4662.364002][ T74] netlink_sendmsg+0x723/0xbe0 [ 4662.364002][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4662.364002][ T74] ___sys_sendmsg+0xee/0x170 [ 4662.364002][ T74] __sys_sendmsg+0xcd/0x170 [ 4662.364002][ T74] do_syscall_64+0xc6/0x1e0 [ 4662.364002][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4662.364002][ T74] [ 4662.365703][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4662.365703][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4662.365703][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4662.365703][ T74] ipv6_find_idev+0x102/0x170 [ 4662.365703][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4662.365703][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4662.365703][ T74] netlink_rcv_skb+0x130/0x360 [ 4662.365703][ T74] netlink_unicast+0x449/0x710 [ 4662.365703][ T74] netlink_sendmsg+0x723/0xbe0 [ 4662.365703][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4662.365703][ T74] ___sys_sendmsg+0xee/0x170 [ 4662.365703][ T74] __sys_sendmsg+0xcd/0x170 [ 4662.365703][ T74] do_syscall_64+0xc6/0x1e0 [ 4662.365703][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4662.365703][ T74] [ 4662.367717][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4662.367985][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4662.367985][ T74] netdev_get_by_index+0x5e/0x80 [ 4662.367985][ T74] fib6_nh_init+0x3d8/0x1580 [ 4662.367985][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4662.367985][ T74] ip6_route_add+0x1c/0x140 [ 4662.367985][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4662.367985][ T74] inet6_addr_add+0x4f8/0xa40 [ 4662.367985][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4662.367985][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4662.367985][ T74] netlink_rcv_skb+0x130/0x360 [ 4662.367985][ T74] netlink_unicast+0x449/0x710 [ 4662.367985][ T74] netlink_sendmsg+0x723/0xbe0 [ 4662.367985][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4662.367985][ T74] ___sys_sendmsg+0xee/0x170 [ 4662.367985][ T74] __sys_sendmsg+0xcd/0x170 [ 4662.367985][ T74] do_syscall_64+0xc6/0x1e0 [ 4662.367985][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4662.367985][ T74] [ 4662.370258][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4662.370258][ T74] netdev_get_by_index+0x5e/0x80 [ 4662.370258][ T74] fib6_nh_init+0x3d8/0x1580 [ 4662.370258][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4662.370258][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4662.370258][ T74] ipv6_add_addr+0x411/0x2000 [ 4662.370258][ T74] inet6_addr_add+0x30e/0xa40 [ 4662.370258][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4662.370258][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4662.370258][ T74] netlink_rcv_skb+0x130/0x360 [ 4662.370258][ T74] netlink_unicast+0x449/0x710 [ 4662.370258][ T74] netlink_sendmsg+0x723/0xbe0 [ 4662.370258][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4662.370258][ T74] ___sys_sendmsg+0xee/0x170 [ 4662.370258][ T74] __sys_sendmsg+0xcd/0x170 [ 4662.370258][ T74] do_syscall_64+0xc6/0x1e0 [ 4662.370258][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4662.370258][ T74] [ 4662.372537][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4662.372537][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4662.372537][ T74] ipv6_find_idev+0x102/0x170 [ 4662.372537][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4662.372537][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4662.372537][ T74] netlink_rcv_skb+0x130/0x360 [ 4662.372537][ T74] netlink_unicast+0x449/0x710 [ 4662.372537][ T74] netlink_sendmsg+0x723/0xbe0 [ 4662.372537][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4662.372537][ T74] ___sys_sendmsg+0xee/0x170 [ 4662.372537][ T74] __sys_sendmsg+0xcd/0x170 [ 4662.372537][ T74] do_syscall_64+0xc6/0x1e0 [ 4662.372537][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4662.372537][ T74] [ 4662.374222][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4662.374222][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4662.374222][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4662.374222][ T74] ipv6_find_idev+0x102/0x170 [ 4662.374222][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4662.374222][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4662.374222][ T74] netlink_rcv_skb+0x130/0x360 [ 4662.374222][ T74] netlink_unicast+0x449/0x710 [ 4662.374222][ T74] netlink_sendmsg+0x723/0xbe0 [ 4662.374222][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4662.374222][ T74] ___sys_sendmsg+0xee/0x170 [ 4662.374222][ T74] __sys_sendmsg+0xcd/0x170 [ 4662.374222][ T74] do_syscall_64+0xc6/0x1e0 [ 4662.374222][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4662.374222][ T74] [ 4672.399961][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4672.400382][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4672.400382][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4672.400382][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4672.400382][ T74] fib6_nh_init+0xa22/0x1580 [ 4672.400382][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4672.400382][ T74] ip6_route_add+0x1c/0x140 [ 4672.400382][ T74] inet6_rtm_newroute+0x104/0x110 [ 4672.400382][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4672.400382][ T74] netlink_rcv_skb+0x130/0x360 [ 4672.400382][ T74] netlink_unicast+0x449/0x710 [ 4672.400382][ T74] netlink_sendmsg+0x723/0xbe0 [ 4672.400382][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4672.400382][ T74] ___sys_sendmsg+0xee/0x170 [ 4672.400382][ T74] __sys_sendmsg+0xcd/0x170 [ 4672.400382][ T74] do_syscall_64+0xc6/0x1e0 [ 4672.400382][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4672.400382][ T74] [ 4672.402357][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4672.402357][ T74] netdev_get_by_index+0x5e/0x80 [ 4672.402357][ T74] fib6_nh_init+0x3d8/0x1580 [ 4672.402357][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4672.402357][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4672.402357][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4672.402357][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4672.402357][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4672.402357][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4672.402357][ T74] addrconf_dad_begin+0x310/0x670 [ 4672.402357][ T74] addrconf_dad_work+0x10b/0xab0 [ 4672.402357][ T74] process_one_work+0x84d/0x18a0 [ 4672.402357][ T74] worker_thread+0x587/0xd30 [ 4672.402357][ T74] kthread+0x28a/0x350 [ 4672.402357][ T74] ret_from_fork+0x31/0x70 [ 4672.402357][ T74] ret_from_fork_asm+0x1a/0x30 [ 4672.402357][ T74] [ 4672.404325][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4672.404325][ T74] netdev_get_by_index+0x5e/0x80 [ 4672.404325][ T74] fib6_nh_init+0x3d8/0x1580 [ 4672.404325][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4672.404325][ T74] ip6_route_add+0x1c/0x140 [ 4672.404325][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4672.404325][ T74] inet6_addr_add+0x4f8/0xa40 [ 4672.404325][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4672.404325][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4672.404325][ T74] netlink_rcv_skb+0x130/0x360 [ 4672.404325][ T74] netlink_unicast+0x449/0x710 [ 4672.404325][ T74] netlink_sendmsg+0x723/0xbe0 [ 4672.404325][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4672.404325][ T74] ___sys_sendmsg+0xee/0x170 [ 4672.404325][ T74] __sys_sendmsg+0xcd/0x170 [ 4672.404325][ T74] do_syscall_64+0xc6/0x1e0 [ 4672.404325][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4672.404325][ T74] [ 4672.406385][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4672.406385][ T74] netdev_get_by_index+0x5e/0x80 [ 4672.406385][ T74] fib6_nh_init+0x3d8/0x1580 [ 4672.406385][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4672.406385][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4672.406385][ T74] ipv6_add_addr+0x411/0x2000 [ 4672.406385][ T74] inet6_addr_add+0x30e/0xa40 [ 4672.406385][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4672.406385][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4672.406385][ T74] netlink_rcv_skb+0x130/0x360 [ 4672.406385][ T74] netlink_unicast+0x449/0x710 [ 4672.406385][ T74] netlink_sendmsg+0x723/0xbe0 [ 4672.406385][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4672.406385][ T74] ___sys_sendmsg+0xee/0x170 [ 4672.406385][ T74] __sys_sendmsg+0xcd/0x170 [ 4672.406385][ T74] do_syscall_64+0xc6/0x1e0 [ 4672.406385][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4672.406385][ T74] [ 4672.408453][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4672.408453][ T74] netdev_get_by_index+0x5e/0x80 [ 4672.408453][ T74] fib6_nh_init+0x3d8/0x1580 [ 4672.408453][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4672.408453][ T74] ip6_route_add+0x1c/0x140 [ 4672.408453][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4672.408453][ T74] addrconf_add_dev+0xe2/0x170 [ 4672.408453][ T74] inet6_addr_add+0x12f/0xa40 [ 4672.408453][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4672.408453][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4672.408453][ T74] netlink_rcv_skb+0x130/0x360 [ 4672.408453][ T74] netlink_unicast+0x449/0x710 [ 4672.408453][ T74] netlink_sendmsg+0x723/0xbe0 [ 4672.408453][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4672.408453][ T74] ___sys_sendmsg+0xee/0x170 [ 4672.408453][ T74] __sys_sendmsg+0xcd/0x170 [ 4672.408453][ T74] do_syscall_64+0xc6/0x1e0 [ 4672.408453][ T74] [ 4672.410477][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4672.410477][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4672.410477][ T74] ipv6_find_idev+0x102/0x170 [ 4672.410477][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4672.410477][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4672.410477][ T74] netlink_rcv_skb+0x130/0x360 [ 4672.410477][ T74] netlink_unicast+0x449/0x710 [ 4672.410477][ T74] netlink_sendmsg+0x723/0xbe0 [ 4672.410477][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4672.410477][ T74] ___sys_sendmsg+0xee/0x170 [ 4672.410477][ T74] __sys_sendmsg+0xcd/0x170 [ 4672.410477][ T74] do_syscall_64+0xc6/0x1e0 [ 4672.410477][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4672.410477][ T74] [ 4672.412073][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4672.412073][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4672.412073][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4672.412073][ T74] ipv6_find_idev+0x102/0x170 [ 4672.412073][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4672.412073][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4672.412073][ T74] netlink_rcv_skb+0x130/0x360 [ 4672.412073][ T74] netlink_unicast+0x449/0x710 [ 4672.412073][ T74] netlink_sendmsg+0x723/0xbe0 [ 4672.412073][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4672.412073][ T74] ___sys_sendmsg+0xee/0x170 [ 4672.412073][ T74] __sys_sendmsg+0xcd/0x170 [ 4672.412073][ T74] do_syscall_64+0xc6/0x1e0 [ 4672.412073][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4672.412073][ T74] [ 4672.413817][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4672.414107][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4672.414107][ T74] dst_init+0x84/0x4a0 [ 4672.414107][ T74] dst_alloc+0x97/0x150 [ 4672.414107][ T74] ip6_dst_alloc+0x23/0x90 [ 4672.414107][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4672.414107][ T74] ip6_pol_route+0x56f/0x840 [ 4672.414107][ T74] fib6_rule_lookup+0x456/0x630 [ 4672.414107][ T74] ip6_route_input+0x59c/0xa50 [ 4672.414107][ T74] ipv6_rcv+0x397/0x810 [ 4672.414107][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4672.414107][ T74] process_backlog+0x101/0x620 [ 4672.414107][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4672.414107][ T74] net_rx_action+0x495/0xbe0 [ 4672.414107][ T74] __do_softirq+0x1b5/0x7f6 [ 4672.414107][ T74] [ 4672.415804][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4672.415804][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4672.415804][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4672.415804][ T74] fib6_nh_init+0xa22/0x1580 [ 4672.415804][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4672.415804][ T74] ip6_route_add+0x1c/0x140 [ 4672.415804][ T74] inet6_rtm_newroute+0x104/0x110 [ 4672.415804][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4672.415804][ T74] netlink_rcv_skb+0x130/0x360 [ 4672.415804][ T74] netlink_unicast+0x449/0x710 [ 4672.415804][ T74] netlink_sendmsg+0x723/0xbe0 [ 4672.415804][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4672.415804][ T74] ___sys_sendmsg+0xee/0x170 [ 4672.415804][ T74] __sys_sendmsg+0xcd/0x170 [ 4672.415804][ T74] do_syscall_64+0xc6/0x1e0 [ 4672.415804][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4672.415804][ T74] [ 4672.417748][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4672.417748][ T74] netdev_get_by_index+0x5e/0x80 [ 4672.417748][ T74] fib6_nh_init+0x3d8/0x1580 [ 4672.417748][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4672.417748][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4672.417748][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4672.417748][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4672.417748][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4672.417748][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4672.417748][ T74] addrconf_dad_begin+0x310/0x670 [ 4672.417748][ T74] addrconf_dad_work+0x10b/0xab0 [ 4672.417748][ T74] process_one_work+0x84d/0x18a0 [ 4672.417748][ T74] worker_thread+0x587/0xd30 [ 4672.417748][ T74] kthread+0x28a/0x350 [ 4672.417748][ T74] ret_from_fork+0x31/0x70 [ 4672.417748][ T74] ret_from_fork_asm+0x1a/0x30 [ 4672.417748][ T74] [ 4672.419699][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4672.419699][ T74] netdev_get_by_index+0x5e/0x80 [ 4672.419699][ T74] fib6_nh_init+0x3d8/0x1580 [ 4672.419699][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4672.419699][ T74] ip6_route_add+0x1c/0x140 [ 4672.419699][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4672.419699][ T74] inet6_addr_add+0x4f8/0xa40 [ 4672.419699][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4672.419699][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4672.419699][ T74] netlink_rcv_skb+0x130/0x360 [ 4672.419699][ T74] netlink_unicast+0x449/0x710 [ 4672.419699][ T74] netlink_sendmsg+0x723/0xbe0 [ 4672.419699][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4672.419699][ T74] ___sys_sendmsg+0xee/0x170 [ 4672.419699][ T74] __sys_sendmsg+0xcd/0x170 [ 4672.419699][ T74] do_syscall_64+0xc6/0x1e0 [ 4672.419699][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4672.419699][ T74] [ 4672.422489][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4672.422489][ T74] netdev_get_by_index+0x5e/0x80 [ 4672.422489][ T74] fib6_nh_init+0x3d8/0x1580 [ 4672.422489][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4672.422489][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4672.422489][ T74] ipv6_add_addr+0x411/0x2000 [ 4672.422489][ T74] inet6_addr_add+0x30e/0xa40 [ 4672.422489][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4672.422489][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4672.422489][ T74] netlink_rcv_skb+0x130/0x360 [ 4672.422489][ T74] netlink_unicast+0x449/0x710 [ 4672.422489][ T74] netlink_sendmsg+0x723/0xbe0 [ 4672.422489][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4672.422489][ T74] ___sys_sendmsg+0xee/0x170 [ 4672.422489][ T74] __sys_sendmsg+0xcd/0x170 [ 4672.422489][ T74] do_syscall_64+0xc6/0x1e0 [ 4672.422489][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4672.422489][ T74] [ 4672.424526][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4672.424526][ T74] netdev_get_by_index+0x5e/0x80 [ 4672.424526][ T74] fib6_nh_init+0x3d8/0x1580 [ 4672.424526][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4672.424526][ T74] ip6_route_add+0x1c/0x140 [ 4672.424526][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4672.424526][ T74] addrconf_add_dev+0xe2/0x170 [ 4672.424526][ T74] inet6_addr_add+0x12f/0xa40 [ 4672.424526][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4672.424526][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4672.424526][ T74] netlink_rcv_skb+0x130/0x360 [ 4672.424526][ T74] netlink_unicast+0x449/0x710 [ 4672.424526][ T74] netlink_sendmsg+0x723/0xbe0 [ 4672.424526][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4672.424526][ T74] ___sys_sendmsg+0xee/0x170 [ 4672.424526][ T74] __sys_sendmsg+0xcd/0x170 [ 4672.424526][ T74] do_syscall_64+0xc6/0x1e0 [ 4672.424526][ T74] [ 4672.426867][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4672.426867][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4672.426867][ T74] ipv6_find_idev+0x102/0x170 [ 4672.426867][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4672.426867][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4672.426867][ T74] netlink_rcv_skb+0x130/0x360 [ 4672.426867][ T74] netlink_unicast+0x449/0x710 [ 4672.426867][ T74] netlink_sendmsg+0x723/0xbe0 [ 4672.426867][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4672.426867][ T74] ___sys_sendmsg+0xee/0x170 [ 4672.426867][ T74] __sys_sendmsg+0xcd/0x170 [ 4672.426867][ T74] do_syscall_64+0xc6/0x1e0 [ 4672.426867][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4672.426867][ T74] [ 4672.428909][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4672.428909][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4672.428909][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4672.428909][ T74] ipv6_find_idev+0x102/0x170 [ 4672.428909][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4672.428909][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4672.428909][ T74] netlink_rcv_skb+0x130/0x360 [ 4672.428909][ T74] netlink_unicast+0x449/0x710 [ 4672.428909][ T74] netlink_sendmsg+0x723/0xbe0 [ 4672.428909][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4672.428909][ T74] ___sys_sendmsg+0xee/0x170 [ 4672.428909][ T74] __sys_sendmsg+0xcd/0x170 [ 4672.428909][ T74] do_syscall_64+0xc6/0x1e0 [ 4672.428909][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4672.428909][ T74] [ 4672.431236][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4672.431486][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4672.431486][ T74] netdev_get_by_index+0x5e/0x80 [ 4672.431486][ T74] fib6_nh_init+0x3d8/0x1580 [ 4672.431486][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4672.431486][ T74] ip6_route_add+0x1c/0x140 [ 4672.431486][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4672.431486][ T74] inet6_addr_add+0x4f8/0xa40 [ 4672.431486][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4672.431486][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4672.431486][ T74] netlink_rcv_skb+0x130/0x360 [ 4672.431486][ T74] netlink_unicast+0x449/0x710 [ 4672.431486][ T74] netlink_sendmsg+0x723/0xbe0 [ 4672.431486][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4672.431486][ T74] ___sys_sendmsg+0xee/0x170 [ 4672.431486][ T74] __sys_sendmsg+0xcd/0x170 [ 4672.431486][ T74] do_syscall_64+0xc6/0x1e0 [ 4672.431486][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4672.431486][ T74] [ 4672.433768][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4672.433768][ T74] netdev_get_by_index+0x5e/0x80 [ 4672.433768][ T74] fib6_nh_init+0x3d8/0x1580 [ 4672.433768][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4672.433768][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4672.433768][ T74] ipv6_add_addr+0x411/0x2000 [ 4672.433768][ T74] inet6_addr_add+0x30e/0xa40 [ 4672.433768][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4672.433768][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4672.433768][ T74] netlink_rcv_skb+0x130/0x360 [ 4672.433768][ T74] netlink_unicast+0x449/0x710 [ 4672.433768][ T74] netlink_sendmsg+0x723/0xbe0 [ 4672.433768][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4672.433768][ T74] ___sys_sendmsg+0xee/0x170 [ 4672.433768][ T74] __sys_sendmsg+0xcd/0x170 [ 4672.433768][ T74] do_syscall_64+0xc6/0x1e0 [ 4672.433768][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4672.433768][ T74] [ 4672.436101][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4672.436101][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4672.436101][ T74] ipv6_find_idev+0x102/0x170 [ 4672.436101][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4672.436101][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4672.436101][ T74] netlink_rcv_skb+0x130/0x360 [ 4672.436101][ T74] netlink_unicast+0x449/0x710 [ 4672.436101][ T74] netlink_sendmsg+0x723/0xbe0 [ 4672.436101][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4672.436101][ T74] ___sys_sendmsg+0xee/0x170 [ 4672.436101][ T74] __sys_sendmsg+0xcd/0x170 [ 4672.436101][ T74] do_syscall_64+0xc6/0x1e0 [ 4672.436101][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4672.436101][ T74] [ 4672.437856][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4672.437856][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4672.437856][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4672.437856][ T74] ipv6_find_idev+0x102/0x170 [ 4672.437856][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4672.437856][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4672.437856][ T74] netlink_rcv_skb+0x130/0x360 [ 4672.437856][ T74] netlink_unicast+0x449/0x710 [ 4672.437856][ T74] netlink_sendmsg+0x723/0xbe0 [ 4672.437856][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4672.437856][ T74] ___sys_sendmsg+0xee/0x170 [ 4672.437856][ T74] __sys_sendmsg+0xcd/0x170 [ 4672.437856][ T74] do_syscall_64+0xc6/0x1e0 [ 4672.437856][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4672.437856][ T74] [ 4682.607932][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4682.608377][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4682.608377][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4682.608377][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4682.608377][ T74] fib6_nh_init+0xa22/0x1580 [ 4682.608377][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4682.608377][ T74] ip6_route_add+0x1c/0x140 [ 4682.608377][ T74] inet6_rtm_newroute+0x104/0x110 [ 4682.608377][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4682.608377][ T74] netlink_rcv_skb+0x130/0x360 [ 4682.608377][ T74] netlink_unicast+0x449/0x710 [ 4682.608377][ T74] netlink_sendmsg+0x723/0xbe0 [ 4682.608377][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4682.608377][ T74] ___sys_sendmsg+0xee/0x170 [ 4682.608377][ T74] __sys_sendmsg+0xcd/0x170 [ 4682.608377][ T74] do_syscall_64+0xc6/0x1e0 [ 4682.608377][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4682.608377][ T74] [ 4682.610380][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4682.610380][ T74] netdev_get_by_index+0x5e/0x80 [ 4682.610380][ T74] fib6_nh_init+0x3d8/0x1580 [ 4682.610380][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4682.610380][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4682.610380][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4682.610380][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4682.610380][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4682.610380][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4682.610380][ T74] addrconf_dad_begin+0x310/0x670 [ 4682.610380][ T74] addrconf_dad_work+0x10b/0xab0 [ 4682.610380][ T74] process_one_work+0x84d/0x18a0 [ 4682.610380][ T74] worker_thread+0x587/0xd30 [ 4682.610380][ T74] kthread+0x28a/0x350 [ 4682.610380][ T74] ret_from_fork+0x31/0x70 [ 4682.610380][ T74] ret_from_fork_asm+0x1a/0x30 [ 4682.610380][ T74] [ 4682.612342][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4682.612342][ T74] netdev_get_by_index+0x5e/0x80 [ 4682.612342][ T74] fib6_nh_init+0x3d8/0x1580 [ 4682.612342][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4682.612342][ T74] ip6_route_add+0x1c/0x140 [ 4682.612342][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4682.612342][ T74] inet6_addr_add+0x4f8/0xa40 [ 4682.612342][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4682.612342][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4682.612342][ T74] netlink_rcv_skb+0x130/0x360 [ 4682.612342][ T74] netlink_unicast+0x449/0x710 [ 4682.612342][ T74] netlink_sendmsg+0x723/0xbe0 [ 4682.612342][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4682.612342][ T74] ___sys_sendmsg+0xee/0x170 [ 4682.612342][ T74] __sys_sendmsg+0xcd/0x170 [ 4682.612342][ T74] do_syscall_64+0xc6/0x1e0 [ 4682.612342][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4682.612342][ T74] [ 4682.614400][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4682.614400][ T74] netdev_get_by_index+0x5e/0x80 [ 4682.614400][ T74] fib6_nh_init+0x3d8/0x1580 [ 4682.614400][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4682.614400][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4682.614400][ T74] ipv6_add_addr+0x411/0x2000 [ 4682.614400][ T74] inet6_addr_add+0x30e/0xa40 [ 4682.614400][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4682.614400][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4682.614400][ T74] netlink_rcv_skb+0x130/0x360 [ 4682.614400][ T74] netlink_unicast+0x449/0x710 [ 4682.614400][ T74] netlink_sendmsg+0x723/0xbe0 [ 4682.614400][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4682.614400][ T74] ___sys_sendmsg+0xee/0x170 [ 4682.614400][ T74] __sys_sendmsg+0xcd/0x170 [ 4682.614400][ T74] do_syscall_64+0xc6/0x1e0 [ 4682.614400][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4682.614400][ T74] [ 4682.616438][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4682.616438][ T74] netdev_get_by_index+0x5e/0x80 [ 4682.616438][ T74] fib6_nh_init+0x3d8/0x1580 [ 4682.616438][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4682.616438][ T74] ip6_route_add+0x1c/0x140 [ 4682.616438][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4682.616438][ T74] addrconf_add_dev+0xe2/0x170 [ 4682.616438][ T74] inet6_addr_add+0x12f/0xa40 [ 4682.616438][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4682.616438][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4682.616438][ T74] netlink_rcv_skb+0x130/0x360 [ 4682.616438][ T74] netlink_unicast+0x449/0x710 [ 4682.616438][ T74] netlink_sendmsg+0x723/0xbe0 [ 4682.616438][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4682.616438][ T74] ___sys_sendmsg+0xee/0x170 [ 4682.616438][ T74] __sys_sendmsg+0xcd/0x170 [ 4682.616438][ T74] do_syscall_64+0xc6/0x1e0 [ 4682.616438][ T74] [ 4682.618837][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4682.618837][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4682.618837][ T74] ipv6_find_idev+0x102/0x170 [ 4682.618837][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4682.618837][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4682.618837][ T74] netlink_rcv_skb+0x130/0x360 [ 4682.618837][ T74] netlink_unicast+0x449/0x710 [ 4682.618837][ T74] netlink_sendmsg+0x723/0xbe0 [ 4682.618837][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4682.618837][ T74] ___sys_sendmsg+0xee/0x170 [ 4682.618837][ T74] __sys_sendmsg+0xcd/0x170 [ 4682.618837][ T74] do_syscall_64+0xc6/0x1e0 [ 4682.618837][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4682.618837][ T74] [ 4682.620405][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4682.620405][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4682.620405][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4682.620405][ T74] ipv6_find_idev+0x102/0x170 [ 4682.620405][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4682.620405][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4682.620405][ T74] netlink_rcv_skb+0x130/0x360 [ 4682.620405][ T74] netlink_unicast+0x449/0x710 [ 4682.620405][ T74] netlink_sendmsg+0x723/0xbe0 [ 4682.620405][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4682.620405][ T74] ___sys_sendmsg+0xee/0x170 [ 4682.620405][ T74] __sys_sendmsg+0xcd/0x170 [ 4682.620405][ T74] do_syscall_64+0xc6/0x1e0 [ 4682.620405][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4682.620405][ T74] [ 4682.622128][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4682.622417][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4682.622417][ T74] dst_init+0x84/0x4a0 [ 4682.622417][ T74] dst_alloc+0x97/0x150 [ 4682.622417][ T74] ip6_dst_alloc+0x23/0x90 [ 4682.622417][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4682.622417][ T74] ip6_pol_route+0x56f/0x840 [ 4682.622417][ T74] fib6_rule_lookup+0x456/0x630 [ 4682.622417][ T74] ip6_route_input+0x59c/0xa50 [ 4682.622417][ T74] ipv6_rcv+0x397/0x810 [ 4682.622417][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4682.622417][ T74] process_backlog+0x101/0x620 [ 4682.622417][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4682.622417][ T74] net_rx_action+0x495/0xbe0 [ 4682.622417][ T74] __do_softirq+0x1b5/0x7f6 [ 4682.622417][ T74] [ 4682.624084][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4682.624084][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4682.624084][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4682.624084][ T74] fib6_nh_init+0xa22/0x1580 [ 4682.624084][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4682.624084][ T74] ip6_route_add+0x1c/0x140 [ 4682.624084][ T74] inet6_rtm_newroute+0x104/0x110 [ 4682.624084][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4682.624084][ T74] netlink_rcv_skb+0x130/0x360 [ 4682.624084][ T74] netlink_unicast+0x449/0x710 [ 4682.624084][ T74] netlink_sendmsg+0x723/0xbe0 [ 4682.624084][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4682.624084][ T74] ___sys_sendmsg+0xee/0x170 [ 4682.624084][ T74] __sys_sendmsg+0xcd/0x170 [ 4682.624084][ T74] do_syscall_64+0xc6/0x1e0 [ 4682.624084][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4682.624084][ T74] [ 4682.625996][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4682.625996][ T74] netdev_get_by_index+0x5e/0x80 [ 4682.625996][ T74] fib6_nh_init+0x3d8/0x1580 [ 4682.625996][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4682.625996][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4682.625996][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4682.625996][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4682.625996][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4682.625996][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4682.625996][ T74] addrconf_dad_begin+0x310/0x670 [ 4682.625996][ T74] addrconf_dad_work+0x10b/0xab0 [ 4682.625996][ T74] process_one_work+0x84d/0x18a0 [ 4682.625996][ T74] worker_thread+0x587/0xd30 [ 4682.625996][ T74] kthread+0x28a/0x350 [ 4682.625996][ T74] ret_from_fork+0x31/0x70 [ 4682.625996][ T74] ret_from_fork_asm+0x1a/0x30 [ 4682.625996][ T74] [ 4682.627945][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4682.627945][ T74] netdev_get_by_index+0x5e/0x80 [ 4682.627945][ T74] fib6_nh_init+0x3d8/0x1580 [ 4682.627945][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4682.627945][ T74] ip6_route_add+0x1c/0x140 [ 4682.627945][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4682.627945][ T74] inet6_addr_add+0x4f8/0xa40 [ 4682.627945][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4682.627945][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4682.627945][ T74] netlink_rcv_skb+0x130/0x360 [ 4682.627945][ T74] netlink_unicast+0x449/0x710 [ 4682.627945][ T74] netlink_sendmsg+0x723/0xbe0 [ 4682.627945][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4682.627945][ T74] ___sys_sendmsg+0xee/0x170 [ 4682.627945][ T74] __sys_sendmsg+0xcd/0x170 [ 4682.627945][ T74] do_syscall_64+0xc6/0x1e0 [ 4682.627945][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4682.627945][ T74] [ 4682.629967][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4682.629967][ T74] netdev_get_by_index+0x5e/0x80 [ 4682.629967][ T74] fib6_nh_init+0x3d8/0x1580 [ 4682.629967][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4682.629967][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4682.629967][ T74] ipv6_add_addr+0x411/0x2000 [ 4682.629967][ T74] inet6_addr_add+0x30e/0xa40 [ 4682.629967][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4682.629967][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4682.629967][ T74] netlink_rcv_skb+0x130/0x360 [ 4682.629967][ T74] netlink_unicast+0x449/0x710 [ 4682.629967][ T74] netlink_sendmsg+0x723/0xbe0 [ 4682.629967][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4682.629967][ T74] ___sys_sendmsg+0xee/0x170 [ 4682.629967][ T74] __sys_sendmsg+0xcd/0x170 [ 4682.629967][ T74] do_syscall_64+0xc6/0x1e0 [ 4682.629967][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4682.629967][ T74] [ 4682.631986][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4682.631986][ T74] netdev_get_by_index+0x5e/0x80 [ 4682.631986][ T74] fib6_nh_init+0x3d8/0x1580 [ 4682.631986][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4682.631986][ T74] ip6_route_add+0x1c/0x140 [ 4682.631986][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4682.631986][ T74] addrconf_add_dev+0xe2/0x170 [ 4682.631986][ T74] inet6_addr_add+0x12f/0xa40 [ 4682.631986][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4682.631986][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4682.631986][ T74] netlink_rcv_skb+0x130/0x360 [ 4682.631986][ T74] netlink_unicast+0x449/0x710 [ 4682.631986][ T74] netlink_sendmsg+0x723/0xbe0 [ 4682.631986][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4682.631986][ T74] ___sys_sendmsg+0xee/0x170 [ 4682.631986][ T74] __sys_sendmsg+0xcd/0x170 [ 4682.631986][ T74] do_syscall_64+0xc6/0x1e0 [ 4682.631986][ T74] [ 4682.633978][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4682.633978][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4682.633978][ T74] ipv6_find_idev+0x102/0x170 [ 4682.633978][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4682.633978][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4682.633978][ T74] netlink_rcv_skb+0x130/0x360 [ 4682.633978][ T74] netlink_unicast+0x449/0x710 [ 4682.633978][ T74] netlink_sendmsg+0x723/0xbe0 [ 4682.633978][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4682.633978][ T74] ___sys_sendmsg+0xee/0x170 [ 4682.633978][ T74] __sys_sendmsg+0xcd/0x170 [ 4682.633978][ T74] do_syscall_64+0xc6/0x1e0 [ 4682.633978][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4682.633978][ T74] [ 4682.635711][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4682.635711][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4682.635711][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4682.635711][ T74] ipv6_find_idev+0x102/0x170 [ 4682.635711][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4682.635711][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4682.635711][ T74] netlink_rcv_skb+0x130/0x360 [ 4682.635711][ T74] netlink_unicast+0x449/0x710 [ 4682.635711][ T74] netlink_sendmsg+0x723/0xbe0 [ 4682.635711][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4682.635711][ T74] ___sys_sendmsg+0xee/0x170 [ 4682.635711][ T74] __sys_sendmsg+0xcd/0x170 [ 4682.635711][ T74] do_syscall_64+0xc6/0x1e0 [ 4682.635711][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4682.635711][ T74] [ 4682.637680][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4682.637931][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4682.637931][ T74] netdev_get_by_index+0x5e/0x80 [ 4682.637931][ T74] fib6_nh_init+0x3d8/0x1580 [ 4682.637931][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4682.637931][ T74] ip6_route_add+0x1c/0x140 [ 4682.637931][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4682.637931][ T74] inet6_addr_add+0x4f8/0xa40 [ 4682.637931][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4682.637931][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4682.637931][ T74] netlink_rcv_skb+0x130/0x360 [ 4682.637931][ T74] netlink_unicast+0x449/0x710 [ 4682.637931][ T74] netlink_sendmsg+0x723/0xbe0 [ 4682.637931][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4682.637931][ T74] ___sys_sendmsg+0xee/0x170 [ 4682.637931][ T74] __sys_sendmsg+0xcd/0x170 [ 4682.637931][ T74] do_syscall_64+0xc6/0x1e0 [ 4682.637931][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4682.637931][ T74] [ 4682.640160][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4682.640160][ T74] netdev_get_by_index+0x5e/0x80 [ 4682.640160][ T74] fib6_nh_init+0x3d8/0x1580 [ 4682.640160][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4682.640160][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4682.640160][ T74] ipv6_add_addr+0x411/0x2000 [ 4682.640160][ T74] inet6_addr_add+0x30e/0xa40 [ 4682.640160][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4682.640160][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4682.640160][ T74] netlink_rcv_skb+0x130/0x360 [ 4682.640160][ T74] netlink_unicast+0x449/0x710 [ 4682.640160][ T74] netlink_sendmsg+0x723/0xbe0 [ 4682.640160][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4682.640160][ T74] ___sys_sendmsg+0xee/0x170 [ 4682.640160][ T74] __sys_sendmsg+0xcd/0x170 [ 4682.640160][ T74] do_syscall_64+0xc6/0x1e0 [ 4682.640160][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4682.640160][ T74] [ 4682.642435][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4682.642435][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4682.642435][ T74] ipv6_find_idev+0x102/0x170 [ 4682.642435][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4682.642435][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4682.642435][ T74] netlink_rcv_skb+0x130/0x360 [ 4682.642435][ T74] netlink_unicast+0x449/0x710 [ 4682.642435][ T74] netlink_sendmsg+0x723/0xbe0 [ 4682.642435][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4682.642435][ T74] ___sys_sendmsg+0xee/0x170 [ 4682.642435][ T74] __sys_sendmsg+0xcd/0x170 [ 4682.642435][ T74] do_syscall_64+0xc6/0x1e0 [ 4682.642435][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4682.642435][ T74] [ 4682.644205][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4682.644205][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4682.644205][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4682.644205][ T74] ipv6_find_idev+0x102/0x170 [ 4682.644205][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4682.644205][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4682.644205][ T74] netlink_rcv_skb+0x130/0x360 [ 4682.644205][ T74] netlink_unicast+0x449/0x710 [ 4682.644205][ T74] netlink_sendmsg+0x723/0xbe0 [ 4682.644205][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4682.644205][ T74] ___sys_sendmsg+0xee/0x170 [ 4682.644205][ T74] __sys_sendmsg+0xcd/0x170 [ 4682.644205][ T74] do_syscall_64+0xc6/0x1e0 [ 4682.644205][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4682.644205][ T74] [ 4692.799989][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4692.800407][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4692.800407][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4692.800407][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4692.800407][ T74] fib6_nh_init+0xa22/0x1580 [ 4692.800407][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4692.800407][ T74] ip6_route_add+0x1c/0x140 [ 4692.800407][ T74] inet6_rtm_newroute+0x104/0x110 [ 4692.800407][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4692.800407][ T74] netlink_rcv_skb+0x130/0x360 [ 4692.800407][ T74] netlink_unicast+0x449/0x710 [ 4692.800407][ T74] netlink_sendmsg+0x723/0xbe0 [ 4692.800407][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4692.800407][ T74] ___sys_sendmsg+0xee/0x170 [ 4692.800407][ T74] __sys_sendmsg+0xcd/0x170 [ 4692.800407][ T74] do_syscall_64+0xc6/0x1e0 [ 4692.800407][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4692.800407][ T74] [ 4692.802374][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4692.802374][ T74] netdev_get_by_index+0x5e/0x80 [ 4692.802374][ T74] fib6_nh_init+0x3d8/0x1580 [ 4692.802374][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4692.802374][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4692.802374][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4692.802374][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4692.802374][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4692.802374][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4692.802374][ T74] addrconf_dad_begin+0x310/0x670 [ 4692.802374][ T74] addrconf_dad_work+0x10b/0xab0 [ 4692.802374][ T74] process_one_work+0x84d/0x18a0 [ 4692.802374][ T74] worker_thread+0x587/0xd30 [ 4692.802374][ T74] kthread+0x28a/0x350 [ 4692.802374][ T74] ret_from_fork+0x31/0x70 [ 4692.802374][ T74] ret_from_fork_asm+0x1a/0x30 [ 4692.802374][ T74] [ 4692.804320][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4692.804320][ T74] netdev_get_by_index+0x5e/0x80 [ 4692.804320][ T74] fib6_nh_init+0x3d8/0x1580 [ 4692.804320][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4692.804320][ T74] ip6_route_add+0x1c/0x140 [ 4692.804320][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4692.804320][ T74] inet6_addr_add+0x4f8/0xa40 [ 4692.804320][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4692.804320][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4692.804320][ T74] netlink_rcv_skb+0x130/0x360 [ 4692.804320][ T74] netlink_unicast+0x449/0x710 [ 4692.804320][ T74] netlink_sendmsg+0x723/0xbe0 [ 4692.804320][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4692.804320][ T74] ___sys_sendmsg+0xee/0x170 [ 4692.804320][ T74] __sys_sendmsg+0xcd/0x170 [ 4692.804320][ T74] do_syscall_64+0xc6/0x1e0 [ 4692.804320][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4692.804320][ T74] [ 4692.806382][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4692.806382][ T74] netdev_get_by_index+0x5e/0x80 [ 4692.806382][ T74] fib6_nh_init+0x3d8/0x1580 [ 4692.806382][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4692.806382][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4692.806382][ T74] ipv6_add_addr+0x411/0x2000 [ 4692.806382][ T74] inet6_addr_add+0x30e/0xa40 [ 4692.806382][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4692.806382][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4692.806382][ T74] netlink_rcv_skb+0x130/0x360 [ 4692.806382][ T74] netlink_unicast+0x449/0x710 [ 4692.806382][ T74] netlink_sendmsg+0x723/0xbe0 [ 4692.806382][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4692.806382][ T74] ___sys_sendmsg+0xee/0x170 [ 4692.806382][ T74] __sys_sendmsg+0xcd/0x170 [ 4692.806382][ T74] do_syscall_64+0xc6/0x1e0 [ 4692.806382][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4692.806382][ T74] [ 4692.808429][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4692.808429][ T74] netdev_get_by_index+0x5e/0x80 [ 4692.808429][ T74] fib6_nh_init+0x3d8/0x1580 [ 4692.808429][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4692.808429][ T74] ip6_route_add+0x1c/0x140 [ 4692.808429][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4692.808429][ T74] addrconf_add_dev+0xe2/0x170 [ 4692.808429][ T74] inet6_addr_add+0x12f/0xa40 [ 4692.808429][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4692.808429][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4692.808429][ T74] netlink_rcv_skb+0x130/0x360 [ 4692.808429][ T74] netlink_unicast+0x449/0x710 [ 4692.808429][ T74] netlink_sendmsg+0x723/0xbe0 [ 4692.808429][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4692.808429][ T74] ___sys_sendmsg+0xee/0x170 [ 4692.808429][ T74] __sys_sendmsg+0xcd/0x170 [ 4692.808429][ T74] do_syscall_64+0xc6/0x1e0 [ 4692.808429][ T74] [ 4692.810429][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4692.810429][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4692.810429][ T74] ipv6_find_idev+0x102/0x170 [ 4692.810429][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4692.810429][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4692.810429][ T74] netlink_rcv_skb+0x130/0x360 [ 4692.810429][ T74] netlink_unicast+0x449/0x710 [ 4692.810429][ T74] netlink_sendmsg+0x723/0xbe0 [ 4692.810429][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4692.810429][ T74] ___sys_sendmsg+0xee/0x170 [ 4692.810429][ T74] __sys_sendmsg+0xcd/0x170 [ 4692.810429][ T74] do_syscall_64+0xc6/0x1e0 [ 4692.810429][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4692.810429][ T74] [ 4692.812004][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4692.812004][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4692.812004][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4692.812004][ T74] ipv6_find_idev+0x102/0x170 [ 4692.812004][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4692.812004][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4692.812004][ T74] netlink_rcv_skb+0x130/0x360 [ 4692.812004][ T74] netlink_unicast+0x449/0x710 [ 4692.812004][ T74] netlink_sendmsg+0x723/0xbe0 [ 4692.812004][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4692.812004][ T74] ___sys_sendmsg+0xee/0x170 [ 4692.812004][ T74] __sys_sendmsg+0xcd/0x170 [ 4692.812004][ T74] do_syscall_64+0xc6/0x1e0 [ 4692.812004][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4692.812004][ T74] [ 4692.813738][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4692.814058][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4692.814058][ T74] dst_init+0x84/0x4a0 [ 4692.814058][ T74] dst_alloc+0x97/0x150 [ 4692.814058][ T74] ip6_dst_alloc+0x23/0x90 [ 4692.814058][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4692.814058][ T74] ip6_pol_route+0x56f/0x840 [ 4692.814058][ T74] fib6_rule_lookup+0x456/0x630 [ 4692.814058][ T74] ip6_route_input+0x59c/0xa50 [ 4692.814058][ T74] ipv6_rcv+0x397/0x810 [ 4692.814058][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4692.814058][ T74] process_backlog+0x101/0x620 [ 4692.814058][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4692.814058][ T74] net_rx_action+0x495/0xbe0 [ 4692.814058][ T74] __do_softirq+0x1b5/0x7f6 [ 4692.814058][ T74] [ 4692.815723][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4692.815723][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4692.815723][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4692.815723][ T74] fib6_nh_init+0xa22/0x1580 [ 4692.815723][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4692.815723][ T74] ip6_route_add+0x1c/0x140 [ 4692.815723][ T74] inet6_rtm_newroute+0x104/0x110 [ 4692.815723][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4692.815723][ T74] netlink_rcv_skb+0x130/0x360 [ 4692.815723][ T74] netlink_unicast+0x449/0x710 [ 4692.815723][ T74] netlink_sendmsg+0x723/0xbe0 [ 4692.815723][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4692.815723][ T74] ___sys_sendmsg+0xee/0x170 [ 4692.815723][ T74] __sys_sendmsg+0xcd/0x170 [ 4692.815723][ T74] do_syscall_64+0xc6/0x1e0 [ 4692.815723][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4692.815723][ T74] [ 4692.817757][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4692.817757][ T74] netdev_get_by_index+0x5e/0x80 [ 4692.817757][ T74] fib6_nh_init+0x3d8/0x1580 [ 4692.817757][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4692.817757][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4692.817757][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4692.817757][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4692.817757][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4692.817757][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4692.817757][ T74] addrconf_dad_begin+0x310/0x670 [ 4692.817757][ T74] addrconf_dad_work+0x10b/0xab0 [ 4692.817757][ T74] process_one_work+0x84d/0x18a0 [ 4692.817757][ T74] worker_thread+0x587/0xd30 [ 4692.817757][ T74] kthread+0x28a/0x350 [ 4692.817757][ T74] ret_from_fork+0x31/0x70 [ 4692.817757][ T74] ret_from_fork_asm+0x1a/0x30 [ 4692.817757][ T74] [ 4692.819687][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4692.819687][ T74] netdev_get_by_index+0x5e/0x80 [ 4692.819687][ T74] fib6_nh_init+0x3d8/0x1580 [ 4692.819687][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4692.819687][ T74] ip6_route_add+0x1c/0x140 [ 4692.819687][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4692.819687][ T74] inet6_addr_add+0x4f8/0xa40 [ 4692.819687][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4692.819687][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4692.819687][ T74] netlink_rcv_skb+0x130/0x360 [ 4692.819687][ T74] netlink_unicast+0x449/0x710 [ 4692.819687][ T74] netlink_sendmsg+0x723/0xbe0 [ 4692.819687][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4692.819687][ T74] ___sys_sendmsg+0xee/0x170 [ 4692.819687][ T74] __sys_sendmsg+0xcd/0x170 [ 4692.819687][ T74] do_syscall_64+0xc6/0x1e0 [ 4692.819687][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4692.819687][ T74] [ 4692.821712][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4692.821712][ T74] netdev_get_by_index+0x5e/0x80 [ 4692.821712][ T74] fib6_nh_init+0x3d8/0x1580 [ 4692.821712][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4692.821712][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4692.821712][ T74] ipv6_add_addr+0x411/0x2000 [ 4692.821712][ T74] inet6_addr_add+0x30e/0xa40 [ 4692.821712][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4692.821712][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4692.821712][ T74] netlink_rcv_skb+0x130/0x360 [ 4692.821712][ T74] netlink_unicast+0x449/0x710 [ 4692.821712][ T74] netlink_sendmsg+0x723/0xbe0 [ 4692.821712][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4692.821712][ T74] ___sys_sendmsg+0xee/0x170 [ 4692.821712][ T74] __sys_sendmsg+0xcd/0x170 [ 4692.821712][ T74] do_syscall_64+0xc6/0x1e0 [ 4692.821712][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4692.821712][ T74] [ 4692.823744][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4692.823744][ T74] netdev_get_by_index+0x5e/0x80 [ 4692.823744][ T74] fib6_nh_init+0x3d8/0x1580 [ 4692.823744][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4692.823744][ T74] ip6_route_add+0x1c/0x140 [ 4692.823744][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4692.823744][ T74] addrconf_add_dev+0xe2/0x170 [ 4692.823744][ T74] inet6_addr_add+0x12f/0xa40 [ 4692.823744][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4692.823744][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4692.823744][ T74] netlink_rcv_skb+0x130/0x360 [ 4692.823744][ T74] netlink_unicast+0x449/0x710 [ 4692.823744][ T74] netlink_sendmsg+0x723/0xbe0 [ 4692.823744][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4692.823744][ T74] ___sys_sendmsg+0xee/0x170 [ 4692.823744][ T74] __sys_sendmsg+0xcd/0x170 [ 4692.823744][ T74] do_syscall_64+0xc6/0x1e0 [ 4692.823744][ T74] [ 4692.825725][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4692.825725][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4692.825725][ T74] ipv6_find_idev+0x102/0x170 [ 4692.825725][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4692.825725][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4692.825725][ T74] netlink_rcv_skb+0x130/0x360 [ 4692.825725][ T74] netlink_unicast+0x449/0x710 [ 4692.825725][ T74] netlink_sendmsg+0x723/0xbe0 [ 4692.825725][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4692.825725][ T74] ___sys_sendmsg+0xee/0x170 [ 4692.825725][ T74] __sys_sendmsg+0xcd/0x170 [ 4692.825725][ T74] do_syscall_64+0xc6/0x1e0 [ 4692.825725][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4692.825725][ T74] [ 4692.827474][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4692.827474][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4692.827474][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4692.827474][ T74] ipv6_find_idev+0x102/0x170 [ 4692.827474][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4692.827474][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4692.827474][ T74] netlink_rcv_skb+0x130/0x360 [ 4692.827474][ T74] netlink_unicast+0x449/0x710 [ 4692.827474][ T74] netlink_sendmsg+0x723/0xbe0 [ 4692.827474][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4692.827474][ T74] ___sys_sendmsg+0xee/0x170 [ 4692.827474][ T74] __sys_sendmsg+0xcd/0x170 [ 4692.827474][ T74] do_syscall_64+0xc6/0x1e0 [ 4692.827474][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4692.827474][ T74] [ 4692.829424][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4692.829661][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4692.829661][ T74] netdev_get_by_index+0x5e/0x80 [ 4692.829661][ T74] fib6_nh_init+0x3d8/0x1580 [ 4692.829661][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4692.829661][ T74] ip6_route_add+0x1c/0x140 [ 4692.829661][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4692.829661][ T74] inet6_addr_add+0x4f8/0xa40 [ 4692.829661][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4692.829661][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4692.829661][ T74] netlink_rcv_skb+0x130/0x360 [ 4692.829661][ T74] netlink_unicast+0x449/0x710 [ 4692.829661][ T74] netlink_sendmsg+0x723/0xbe0 [ 4692.829661][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4692.829661][ T74] ___sys_sendmsg+0xee/0x170 [ 4692.829661][ T74] __sys_sendmsg+0xcd/0x170 [ 4692.829661][ T74] do_syscall_64+0xc6/0x1e0 [ 4692.829661][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4692.829661][ T74] [ 4692.831933][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4692.831933][ T74] netdev_get_by_index+0x5e/0x80 [ 4692.831933][ T74] fib6_nh_init+0x3d8/0x1580 [ 4692.831933][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4692.831933][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4692.831933][ T74] ipv6_add_addr+0x411/0x2000 [ 4692.831933][ T74] inet6_addr_add+0x30e/0xa40 [ 4692.831933][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4692.831933][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4692.831933][ T74] netlink_rcv_skb+0x130/0x360 [ 4692.831933][ T74] netlink_unicast+0x449/0x710 [ 4692.831933][ T74] netlink_sendmsg+0x723/0xbe0 [ 4692.831933][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4692.831933][ T74] ___sys_sendmsg+0xee/0x170 [ 4692.831933][ T74] __sys_sendmsg+0xcd/0x170 [ 4692.831933][ T74] do_syscall_64+0xc6/0x1e0 [ 4692.831933][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4692.831933][ T74] [ 4692.834191][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4692.834191][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4692.834191][ T74] ipv6_find_idev+0x102/0x170 [ 4692.834191][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4692.834191][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4692.834191][ T74] netlink_rcv_skb+0x130/0x360 [ 4692.834191][ T74] netlink_unicast+0x449/0x710 [ 4692.834191][ T74] netlink_sendmsg+0x723/0xbe0 [ 4692.834191][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4692.834191][ T74] ___sys_sendmsg+0xee/0x170 [ 4692.834191][ T74] __sys_sendmsg+0xcd/0x170 [ 4692.834191][ T74] do_syscall_64+0xc6/0x1e0 [ 4692.834191][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4692.834191][ T74] [ 4692.835940][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4692.835940][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4692.835940][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4692.835940][ T74] ipv6_find_idev+0x102/0x170 [ 4692.835940][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4692.835940][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4692.835940][ T74] netlink_rcv_skb+0x130/0x360 [ 4692.835940][ T74] netlink_unicast+0x449/0x710 [ 4692.835940][ T74] netlink_sendmsg+0x723/0xbe0 [ 4692.835940][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4692.835940][ T74] ___sys_sendmsg+0xee/0x170 [ 4692.835940][ T74] __sys_sendmsg+0xcd/0x170 [ 4692.835940][ T74] do_syscall_64+0xc6/0x1e0 [ 4692.835940][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4692.835940][ T74] [ 4703.080004][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4703.080535][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4703.080535][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4703.080535][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4703.080535][ T74] fib6_nh_init+0xa22/0x1580 [ 4703.080535][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4703.080535][ T74] ip6_route_add+0x1c/0x140 [ 4703.080535][ T74] inet6_rtm_newroute+0x104/0x110 [ 4703.080535][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4703.080535][ T74] netlink_rcv_skb+0x130/0x360 [ 4703.080535][ T74] netlink_unicast+0x449/0x710 [ 4703.080535][ T74] netlink_sendmsg+0x723/0xbe0 [ 4703.080535][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4703.080535][ T74] ___sys_sendmsg+0xee/0x170 [ 4703.080535][ T74] __sys_sendmsg+0xcd/0x170 [ 4703.080535][ T74] do_syscall_64+0xc6/0x1e0 [ 4703.080535][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4703.080535][ T74] [ 4703.082748][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4703.082748][ T74] netdev_get_by_index+0x5e/0x80 [ 4703.082748][ T74] fib6_nh_init+0x3d8/0x1580 [ 4703.082748][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4703.082748][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4703.082748][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4703.082748][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4703.082748][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4703.082748][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4703.082748][ T74] addrconf_dad_begin+0x310/0x670 [ 4703.082748][ T74] addrconf_dad_work+0x10b/0xab0 [ 4703.082748][ T74] process_one_work+0x84d/0x18a0 [ 4703.082748][ T74] worker_thread+0x587/0xd30 [ 4703.082748][ T74] kthread+0x28a/0x350 [ 4703.082748][ T74] ret_from_fork+0x31/0x70 [ 4703.082748][ T74] ret_from_fork_asm+0x1a/0x30 [ 4703.082748][ T74] [ 4703.084968][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4703.084968][ T74] netdev_get_by_index+0x5e/0x80 [ 4703.084968][ T74] fib6_nh_init+0x3d8/0x1580 [ 4703.084968][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4703.084968][ T74] ip6_route_add+0x1c/0x140 [ 4703.084968][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4703.084968][ T74] inet6_addr_add+0x4f8/0xa40 [ 4703.084968][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4703.084968][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4703.084968][ T74] netlink_rcv_skb+0x130/0x360 [ 4703.084968][ T74] netlink_unicast+0x449/0x710 [ 4703.084968][ T74] netlink_sendmsg+0x723/0xbe0 [ 4703.084968][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4703.084968][ T74] ___sys_sendmsg+0xee/0x170 [ 4703.084968][ T74] __sys_sendmsg+0xcd/0x170 [ 4703.084968][ T74] do_syscall_64+0xc6/0x1e0 [ 4703.084968][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4703.084968][ T74] [ 4703.087394][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4703.087394][ T74] netdev_get_by_index+0x5e/0x80 [ 4703.087394][ T74] fib6_nh_init+0x3d8/0x1580 [ 4703.087394][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4703.087394][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4703.087394][ T74] ipv6_add_addr+0x411/0x2000 [ 4703.087394][ T74] inet6_addr_add+0x30e/0xa40 [ 4703.087394][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4703.087394][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4703.087394][ T74] netlink_rcv_skb+0x130/0x360 [ 4703.087394][ T74] netlink_unicast+0x449/0x710 [ 4703.087394][ T74] netlink_sendmsg+0x723/0xbe0 [ 4703.087394][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4703.087394][ T74] ___sys_sendmsg+0xee/0x170 [ 4703.087394][ T74] __sys_sendmsg+0xcd/0x170 [ 4703.087394][ T74] do_syscall_64+0xc6/0x1e0 [ 4703.087394][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4703.087394][ T74] [ 4703.089720][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4703.089720][ T74] netdev_get_by_index+0x5e/0x80 [ 4703.089720][ T74] fib6_nh_init+0x3d8/0x1580 [ 4703.089720][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4703.089720][ T74] ip6_route_add+0x1c/0x140 [ 4703.089720][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4703.089720][ T74] addrconf_add_dev+0xe2/0x170 [ 4703.089720][ T74] inet6_addr_add+0x12f/0xa40 [ 4703.089720][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4703.089720][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4703.089720][ T74] netlink_rcv_skb+0x130/0x360 [ 4703.089720][ T74] netlink_unicast+0x449/0x710 [ 4703.089720][ T74] netlink_sendmsg+0x723/0xbe0 [ 4703.089720][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4703.089720][ T74] ___sys_sendmsg+0xee/0x170 [ 4703.089720][ T74] __sys_sendmsg+0xcd/0x170 [ 4703.089720][ T74] do_syscall_64+0xc6/0x1e0 [ 4703.089720][ T74] [ 4703.092010][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4703.092010][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4703.092010][ T74] ipv6_find_idev+0x102/0x170 [ 4703.092010][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4703.092010][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4703.092010][ T74] netlink_rcv_skb+0x130/0x360 [ 4703.092010][ T74] netlink_unicast+0x449/0x710 [ 4703.092010][ T74] netlink_sendmsg+0x723/0xbe0 [ 4703.092010][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4703.092010][ T74] ___sys_sendmsg+0xee/0x170 [ 4703.092010][ T74] __sys_sendmsg+0xcd/0x170 [ 4703.092010][ T74] do_syscall_64+0xc6/0x1e0 [ 4703.092010][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4703.092010][ T74] [ 4703.093780][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4703.093780][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4703.093780][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4703.093780][ T74] ipv6_find_idev+0x102/0x170 [ 4703.093780][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4703.093780][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4703.093780][ T74] netlink_rcv_skb+0x130/0x360 [ 4703.093780][ T74] netlink_unicast+0x449/0x710 [ 4703.093780][ T74] netlink_sendmsg+0x723/0xbe0 [ 4703.093780][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4703.093780][ T74] ___sys_sendmsg+0xee/0x170 [ 4703.093780][ T74] __sys_sendmsg+0xcd/0x170 [ 4703.093780][ T74] do_syscall_64+0xc6/0x1e0 [ 4703.093780][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4703.093780][ T74] [ 4703.095785][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4703.096146][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4703.096146][ T74] dst_init+0x84/0x4a0 [ 4703.096146][ T74] dst_alloc+0x97/0x150 [ 4703.096146][ T74] ip6_dst_alloc+0x23/0x90 [ 4703.096146][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4703.096146][ T74] ip6_pol_route+0x56f/0x840 [ 4703.096146][ T74] fib6_rule_lookup+0x456/0x630 [ 4703.096146][ T74] ip6_route_input+0x59c/0xa50 [ 4703.096146][ T74] ipv6_rcv+0x397/0x810 [ 4703.096146][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4703.096146][ T74] process_backlog+0x101/0x620 [ 4703.096146][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4703.096146][ T74] net_rx_action+0x495/0xbe0 [ 4703.096146][ T74] __do_softirq+0x1b5/0x7f6 [ 4703.096146][ T74] [ 4703.098062][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4703.098062][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4703.098062][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4703.098062][ T74] fib6_nh_init+0xa22/0x1580 [ 4703.098062][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4703.098062][ T74] ip6_route_add+0x1c/0x140 [ 4703.098062][ T74] inet6_rtm_newroute+0x104/0x110 [ 4703.098062][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4703.098062][ T74] netlink_rcv_skb+0x130/0x360 [ 4703.098062][ T74] netlink_unicast+0x449/0x710 [ 4703.098062][ T74] netlink_sendmsg+0x723/0xbe0 [ 4703.098062][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4703.098062][ T74] ___sys_sendmsg+0xee/0x170 [ 4703.098062][ T74] __sys_sendmsg+0xcd/0x170 [ 4703.098062][ T74] do_syscall_64+0xc6/0x1e0 [ 4703.098062][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4703.098062][ T74] [ 4703.100263][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4703.100263][ T74] netdev_get_by_index+0x5e/0x80 [ 4703.100263][ T74] fib6_nh_init+0x3d8/0x1580 [ 4703.100263][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4703.100263][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4703.100263][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4703.100263][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4703.100263][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4703.100263][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4703.100263][ T74] addrconf_dad_begin+0x310/0x670 [ 4703.100263][ T74] addrconf_dad_work+0x10b/0xab0 [ 4703.100263][ T74] process_one_work+0x84d/0x18a0 [ 4703.100263][ T74] worker_thread+0x587/0xd30 [ 4703.100263][ T74] kthread+0x28a/0x350 [ 4703.100263][ T74] ret_from_fork+0x31/0x70 [ 4703.100263][ T74] ret_from_fork_asm+0x1a/0x30 [ 4703.100263][ T74] [ 4703.102468][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4703.102468][ T74] netdev_get_by_index+0x5e/0x80 [ 4703.102468][ T74] fib6_nh_init+0x3d8/0x1580 [ 4703.102468][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4703.102468][ T74] ip6_route_add+0x1c/0x140 [ 4703.102468][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4703.102468][ T74] inet6_addr_add+0x4f8/0xa40 [ 4703.102468][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4703.102468][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4703.102468][ T74] netlink_rcv_skb+0x130/0x360 [ 4703.102468][ T74] netlink_unicast+0x449/0x710 [ 4703.102468][ T74] netlink_sendmsg+0x723/0xbe0 [ 4703.102468][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4703.102468][ T74] ___sys_sendmsg+0xee/0x170 [ 4703.102468][ T74] __sys_sendmsg+0xcd/0x170 [ 4703.102468][ T74] do_syscall_64+0xc6/0x1e0 [ 4703.102468][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4703.102468][ T74] [ 4703.104767][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4703.104767][ T74] netdev_get_by_index+0x5e/0x80 [ 4703.104767][ T74] fib6_nh_init+0x3d8/0x1580 [ 4703.104767][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4703.104767][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4703.104767][ T74] ipv6_add_addr+0x411/0x2000 [ 4703.104767][ T74] inet6_addr_add+0x30e/0xa40 [ 4703.104767][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4703.104767][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4703.104767][ T74] netlink_rcv_skb+0x130/0x360 [ 4703.104767][ T74] netlink_unicast+0x449/0x710 [ 4703.104767][ T74] netlink_sendmsg+0x723/0xbe0 [ 4703.104767][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4703.104767][ T74] ___sys_sendmsg+0xee/0x170 [ 4703.104767][ T74] __sys_sendmsg+0xcd/0x170 [ 4703.104767][ T74] do_syscall_64+0xc6/0x1e0 [ 4703.104767][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4703.104767][ T74] [ 4703.107086][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4703.107086][ T74] netdev_get_by_index+0x5e/0x80 [ 4703.107086][ T74] fib6_nh_init+0x3d8/0x1580 [ 4703.107086][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4703.107086][ T74] ip6_route_add+0x1c/0x140 [ 4703.107086][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4703.107086][ T74] addrconf_add_dev+0xe2/0x170 [ 4703.107086][ T74] inet6_addr_add+0x12f/0xa40 [ 4703.107086][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4703.107086][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4703.107086][ T74] netlink_rcv_skb+0x130/0x360 [ 4703.107086][ T74] netlink_unicast+0x449/0x710 [ 4703.107086][ T74] netlink_sendmsg+0x723/0xbe0 [ 4703.107086][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4703.107086][ T74] ___sys_sendmsg+0xee/0x170 [ 4703.107086][ T74] __sys_sendmsg+0xcd/0x170 [ 4703.107086][ T74] do_syscall_64+0xc6/0x1e0 [ 4703.107086][ T74] [ 4703.109416][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4703.109416][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4703.109416][ T74] ipv6_find_idev+0x102/0x170 [ 4703.109416][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4703.109416][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4703.109416][ T74] netlink_rcv_skb+0x130/0x360 [ 4703.109416][ T74] netlink_unicast+0x449/0x710 [ 4703.109416][ T74] netlink_sendmsg+0x723/0xbe0 [ 4703.109416][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4703.109416][ T74] ___sys_sendmsg+0xee/0x170 [ 4703.109416][ T74] __sys_sendmsg+0xcd/0x170 [ 4703.109416][ T74] do_syscall_64+0xc6/0x1e0 [ 4703.109416][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4703.109416][ T74] [ 4703.111389][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4703.111389][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4703.111389][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4703.111389][ T74] ipv6_find_idev+0x102/0x170 [ 4703.111389][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4703.111389][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4703.111389][ T74] netlink_rcv_skb+0x130/0x360 [ 4703.111389][ T74] netlink_unicast+0x449/0x710 [ 4703.111389][ T74] netlink_sendmsg+0x723/0xbe0 [ 4703.111389][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4703.111389][ T74] ___sys_sendmsg+0xee/0x170 [ 4703.111389][ T74] __sys_sendmsg+0xcd/0x170 [ 4703.111389][ T74] do_syscall_64+0xc6/0x1e0 [ 4703.111389][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4703.111389][ T74] [ 4703.113610][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4703.113961][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4703.113961][ T74] netdev_get_by_index+0x5e/0x80 [ 4703.113961][ T74] fib6_nh_init+0x3d8/0x1580 [ 4703.113961][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4703.113961][ T74] ip6_route_add+0x1c/0x140 [ 4703.113961][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4703.113961][ T74] inet6_addr_add+0x4f8/0xa40 [ 4703.113961][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4703.113961][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4703.113961][ T74] netlink_rcv_skb+0x130/0x360 [ 4703.113961][ T74] netlink_unicast+0x449/0x710 [ 4703.113961][ T74] netlink_sendmsg+0x723/0xbe0 [ 4703.113961][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4703.113961][ T74] ___sys_sendmsg+0xee/0x170 [ 4703.113961][ T74] __sys_sendmsg+0xcd/0x170 [ 4703.113961][ T74] do_syscall_64+0xc6/0x1e0 [ 4703.113961][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4703.113961][ T74] [ 4703.116475][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4703.116475][ T74] netdev_get_by_index+0x5e/0x80 [ 4703.116475][ T74] fib6_nh_init+0x3d8/0x1580 [ 4703.116475][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4703.116475][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4703.116475][ T74] ipv6_add_addr+0x411/0x2000 [ 4703.116475][ T74] inet6_addr_add+0x30e/0xa40 [ 4703.116475][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4703.116475][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4703.116475][ T74] netlink_rcv_skb+0x130/0x360 [ 4703.116475][ T74] netlink_unicast+0x449/0x710 [ 4703.116475][ T74] netlink_sendmsg+0x723/0xbe0 [ 4703.116475][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4703.116475][ T74] ___sys_sendmsg+0xee/0x170 [ 4703.116475][ T74] __sys_sendmsg+0xcd/0x170 [ 4703.116475][ T74] do_syscall_64+0xc6/0x1e0 [ 4703.116475][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4703.116475][ T74] [ 4703.119012][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4703.119012][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4703.119012][ T74] ipv6_find_idev+0x102/0x170 [ 4703.119012][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4703.119012][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4703.119012][ T74] netlink_rcv_skb+0x130/0x360 [ 4703.119012][ T74] netlink_unicast+0x449/0x710 [ 4703.119012][ T74] netlink_sendmsg+0x723/0xbe0 [ 4703.119012][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4703.119012][ T74] ___sys_sendmsg+0xee/0x170 [ 4703.119012][ T74] __sys_sendmsg+0xcd/0x170 [ 4703.119012][ T74] do_syscall_64+0xc6/0x1e0 [ 4703.119012][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4703.119012][ T74] [ 4703.120985][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4703.120985][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4703.120985][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4703.120985][ T74] ipv6_find_idev+0x102/0x170 [ 4703.120985][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4703.120985][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4703.120985][ T74] netlink_rcv_skb+0x130/0x360 [ 4703.120985][ T74] netlink_unicast+0x449/0x710 [ 4703.120985][ T74] netlink_sendmsg+0x723/0xbe0 [ 4703.120985][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4703.120985][ T74] ___sys_sendmsg+0xee/0x170 [ 4703.120985][ T74] __sys_sendmsg+0xcd/0x170 [ 4703.120985][ T74] do_syscall_64+0xc6/0x1e0 [ 4703.120985][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4703.120985][ T74] [ 4713.360521][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4713.361020][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4713.361020][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4713.361020][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4713.361020][ T74] fib6_nh_init+0xa22/0x1580 [ 4713.361020][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4713.361020][ T74] ip6_route_add+0x1c/0x140 [ 4713.361020][ T74] inet6_rtm_newroute+0x104/0x110 [ 4713.361020][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4713.361020][ T74] netlink_rcv_skb+0x130/0x360 [ 4713.361020][ T74] netlink_unicast+0x449/0x710 [ 4713.361020][ T74] netlink_sendmsg+0x723/0xbe0 [ 4713.361020][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4713.361020][ T74] ___sys_sendmsg+0xee/0x170 [ 4713.361020][ T74] __sys_sendmsg+0xcd/0x170 [ 4713.361020][ T74] do_syscall_64+0xc6/0x1e0 [ 4713.361020][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4713.361020][ T74] [ 4713.362968][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4713.362968][ T74] netdev_get_by_index+0x5e/0x80 [ 4713.362968][ T74] fib6_nh_init+0x3d8/0x1580 [ 4713.362968][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4713.362968][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4713.362968][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4713.362968][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4713.362968][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4713.362968][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4713.362968][ T74] addrconf_dad_begin+0x310/0x670 [ 4713.362968][ T74] addrconf_dad_work+0x10b/0xab0 [ 4713.362968][ T74] process_one_work+0x84d/0x18a0 [ 4713.362968][ T74] worker_thread+0x587/0xd30 [ 4713.362968][ T74] kthread+0x28a/0x350 [ 4713.362968][ T74] ret_from_fork+0x31/0x70 [ 4713.362968][ T74] ret_from_fork_asm+0x1a/0x30 [ 4713.362968][ T74] [ 4713.364949][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4713.364949][ T74] netdev_get_by_index+0x5e/0x80 [ 4713.364949][ T74] fib6_nh_init+0x3d8/0x1580 [ 4713.364949][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4713.364949][ T74] ip6_route_add+0x1c/0x140 [ 4713.364949][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4713.364949][ T74] inet6_addr_add+0x4f8/0xa40 [ 4713.364949][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4713.364949][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4713.364949][ T74] netlink_rcv_skb+0x130/0x360 [ 4713.364949][ T74] netlink_unicast+0x449/0x710 [ 4713.364949][ T74] netlink_sendmsg+0x723/0xbe0 [ 4713.364949][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4713.364949][ T74] ___sys_sendmsg+0xee/0x170 [ 4713.364949][ T74] __sys_sendmsg+0xcd/0x170 [ 4713.364949][ T74] do_syscall_64+0xc6/0x1e0 [ 4713.364949][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4713.364949][ T74] [ 4713.366995][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4713.366995][ T74] netdev_get_by_index+0x5e/0x80 [ 4713.366995][ T74] fib6_nh_init+0x3d8/0x1580 [ 4713.366995][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4713.366995][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4713.366995][ T74] ipv6_add_addr+0x411/0x2000 [ 4713.366995][ T74] inet6_addr_add+0x30e/0xa40 [ 4713.366995][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4713.366995][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4713.366995][ T74] netlink_rcv_skb+0x130/0x360 [ 4713.366995][ T74] netlink_unicast+0x449/0x710 [ 4713.366995][ T74] netlink_sendmsg+0x723/0xbe0 [ 4713.366995][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4713.366995][ T74] ___sys_sendmsg+0xee/0x170 [ 4713.366995][ T74] __sys_sendmsg+0xcd/0x170 [ 4713.366995][ T74] do_syscall_64+0xc6/0x1e0 [ 4713.366995][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4713.366995][ T74] [ 4713.369046][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4713.369046][ T74] netdev_get_by_index+0x5e/0x80 [ 4713.369046][ T74] fib6_nh_init+0x3d8/0x1580 [ 4713.369046][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4713.369046][ T74] ip6_route_add+0x1c/0x140 [ 4713.369046][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4713.369046][ T74] addrconf_add_dev+0xe2/0x170 [ 4713.369046][ T74] inet6_addr_add+0x12f/0xa40 [ 4713.369046][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4713.369046][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4713.369046][ T74] netlink_rcv_skb+0x130/0x360 [ 4713.369046][ T74] netlink_unicast+0x449/0x710 [ 4713.369046][ T74] netlink_sendmsg+0x723/0xbe0 [ 4713.369046][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4713.369046][ T74] ___sys_sendmsg+0xee/0x170 [ 4713.369046][ T74] __sys_sendmsg+0xcd/0x170 [ 4713.369046][ T74] do_syscall_64+0xc6/0x1e0 [ 4713.369046][ T74] [ 4713.371047][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4713.371047][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4713.371047][ T74] ipv6_find_idev+0x102/0x170 [ 4713.371047][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4713.371047][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4713.371047][ T74] netlink_rcv_skb+0x130/0x360 [ 4713.371047][ T74] netlink_unicast+0x449/0x710 [ 4713.371047][ T74] netlink_sendmsg+0x723/0xbe0 [ 4713.371047][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4713.371047][ T74] ___sys_sendmsg+0xee/0x170 [ 4713.371047][ T74] __sys_sendmsg+0xcd/0x170 [ 4713.371047][ T74] do_syscall_64+0xc6/0x1e0 [ 4713.371047][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4713.371047][ T74] [ 4713.372632][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4713.372632][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4713.372632][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4713.372632][ T74] ipv6_find_idev+0x102/0x170 [ 4713.372632][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4713.372632][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4713.372632][ T74] netlink_rcv_skb+0x130/0x360 [ 4713.372632][ T74] netlink_unicast+0x449/0x710 [ 4713.372632][ T74] netlink_sendmsg+0x723/0xbe0 [ 4713.372632][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4713.372632][ T74] ___sys_sendmsg+0xee/0x170 [ 4713.372632][ T74] __sys_sendmsg+0xcd/0x170 [ 4713.372632][ T74] do_syscall_64+0xc6/0x1e0 [ 4713.372632][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4713.372632][ T74] [ 4713.374355][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4713.374630][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4713.374630][ T74] dst_init+0x84/0x4a0 [ 4713.374630][ T74] dst_alloc+0x97/0x150 [ 4713.374630][ T74] ip6_dst_alloc+0x23/0x90 [ 4713.374630][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4713.374630][ T74] ip6_pol_route+0x56f/0x840 [ 4713.374630][ T74] fib6_rule_lookup+0x456/0x630 [ 4713.374630][ T74] ip6_route_input+0x59c/0xa50 [ 4713.374630][ T74] ipv6_rcv+0x397/0x810 [ 4713.374630][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4713.374630][ T74] process_backlog+0x101/0x620 [ 4713.374630][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4713.374630][ T74] net_rx_action+0x495/0xbe0 [ 4713.374630][ T74] __do_softirq+0x1b5/0x7f6 [ 4713.374630][ T74] [ 4713.376367][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4713.376367][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4713.376367][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4713.376367][ T74] fib6_nh_init+0xa22/0x1580 [ 4713.376367][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4713.376367][ T74] ip6_route_add+0x1c/0x140 [ 4713.376367][ T74] inet6_rtm_newroute+0x104/0x110 [ 4713.376367][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4713.376367][ T74] netlink_rcv_skb+0x130/0x360 [ 4713.376367][ T74] netlink_unicast+0x449/0x710 [ 4713.376367][ T74] netlink_sendmsg+0x723/0xbe0 [ 4713.376367][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4713.376367][ T74] ___sys_sendmsg+0xee/0x170 [ 4713.376367][ T74] __sys_sendmsg+0xcd/0x170 [ 4713.376367][ T74] do_syscall_64+0xc6/0x1e0 [ 4713.376367][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4713.376367][ T74] [ 4713.378295][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4713.378295][ T74] netdev_get_by_index+0x5e/0x80 [ 4713.378295][ T74] fib6_nh_init+0x3d8/0x1580 [ 4713.378295][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4713.378295][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4713.378295][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4713.378295][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4713.378295][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4713.378295][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4713.378295][ T74] addrconf_dad_begin+0x310/0x670 [ 4713.378295][ T74] addrconf_dad_work+0x10b/0xab0 [ 4713.378295][ T74] process_one_work+0x84d/0x18a0 [ 4713.378295][ T74] worker_thread+0x587/0xd30 [ 4713.378295][ T74] kthread+0x28a/0x350 [ 4713.378295][ T74] ret_from_fork+0x31/0x70 [ 4713.378295][ T74] ret_from_fork_asm+0x1a/0x30 [ 4713.378295][ T74] [ 4713.380250][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4713.380250][ T74] netdev_get_by_index+0x5e/0x80 [ 4713.380250][ T74] fib6_nh_init+0x3d8/0x1580 [ 4713.380250][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4713.380250][ T74] ip6_route_add+0x1c/0x140 [ 4713.380250][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4713.380250][ T74] inet6_addr_add+0x4f8/0xa40 [ 4713.380250][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4713.380250][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4713.380250][ T74] netlink_rcv_skb+0x130/0x360 [ 4713.380250][ T74] netlink_unicast+0x449/0x710 [ 4713.380250][ T74] netlink_sendmsg+0x723/0xbe0 [ 4713.380250][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4713.380250][ T74] ___sys_sendmsg+0xee/0x170 [ 4713.380250][ T74] __sys_sendmsg+0xcd/0x170 [ 4713.380250][ T74] do_syscall_64+0xc6/0x1e0 [ 4713.380250][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4713.380250][ T74] [ 4713.382293][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4713.382293][ T74] netdev_get_by_index+0x5e/0x80 [ 4713.382293][ T74] fib6_nh_init+0x3d8/0x1580 [ 4713.382293][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4713.382293][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4713.382293][ T74] ipv6_add_addr+0x411/0x2000 [ 4713.382293][ T74] inet6_addr_add+0x30e/0xa40 [ 4713.382293][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4713.382293][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4713.382293][ T74] netlink_rcv_skb+0x130/0x360 [ 4713.382293][ T74] netlink_unicast+0x449/0x710 [ 4713.382293][ T74] netlink_sendmsg+0x723/0xbe0 [ 4713.382293][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4713.382293][ T74] ___sys_sendmsg+0xee/0x170 [ 4713.382293][ T74] __sys_sendmsg+0xcd/0x170 [ 4713.382293][ T74] do_syscall_64+0xc6/0x1e0 [ 4713.382293][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4713.382293][ T74] [ 4713.384376][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4713.384376][ T74] netdev_get_by_index+0x5e/0x80 [ 4713.384376][ T74] fib6_nh_init+0x3d8/0x1580 [ 4713.384376][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4713.384376][ T74] ip6_route_add+0x1c/0x140 [ 4713.384376][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4713.384376][ T74] addrconf_add_dev+0xe2/0x170 [ 4713.384376][ T74] inet6_addr_add+0x12f/0xa40 [ 4713.384376][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4713.384376][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4713.384376][ T74] netlink_rcv_skb+0x130/0x360 [ 4713.384376][ T74] netlink_unicast+0x449/0x710 [ 4713.384376][ T74] netlink_sendmsg+0x723/0xbe0 [ 4713.384376][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4713.384376][ T74] ___sys_sendmsg+0xee/0x170 [ 4713.384376][ T74] __sys_sendmsg+0xcd/0x170 [ 4713.384376][ T74] do_syscall_64+0xc6/0x1e0 [ 4713.384376][ T74] [ 4713.386396][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4713.386396][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4713.386396][ T74] ipv6_find_idev+0x102/0x170 [ 4713.386396][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4713.386396][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4713.386396][ T74] netlink_rcv_skb+0x130/0x360 [ 4713.386396][ T74] netlink_unicast+0x449/0x710 [ 4713.386396][ T74] netlink_sendmsg+0x723/0xbe0 [ 4713.386396][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4713.386396][ T74] ___sys_sendmsg+0xee/0x170 [ 4713.386396][ T74] __sys_sendmsg+0xcd/0x170 [ 4713.386396][ T74] do_syscall_64+0xc6/0x1e0 [ 4713.386396][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4713.386396][ T74] [ 4713.388160][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4713.388160][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4713.388160][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4713.388160][ T74] ipv6_find_idev+0x102/0x170 [ 4713.388160][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4713.388160][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4713.388160][ T74] netlink_rcv_skb+0x130/0x360 [ 4713.388160][ T74] netlink_unicast+0x449/0x710 [ 4713.388160][ T74] netlink_sendmsg+0x723/0xbe0 [ 4713.388160][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4713.388160][ T74] ___sys_sendmsg+0xee/0x170 [ 4713.388160][ T74] __sys_sendmsg+0xcd/0x170 [ 4713.388160][ T74] do_syscall_64+0xc6/0x1e0 [ 4713.388160][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4713.388160][ T74] [ 4713.390155][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4713.390396][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4713.390396][ T74] netdev_get_by_index+0x5e/0x80 [ 4713.390396][ T74] fib6_nh_init+0x3d8/0x1580 [ 4713.390396][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4713.390396][ T74] ip6_route_add+0x1c/0x140 [ 4713.390396][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4713.390396][ T74] inet6_addr_add+0x4f8/0xa40 [ 4713.390396][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4713.390396][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4713.390396][ T74] netlink_rcv_skb+0x130/0x360 [ 4713.390396][ T74] netlink_unicast+0x449/0x710 [ 4713.390396][ T74] netlink_sendmsg+0x723/0xbe0 [ 4713.390396][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4713.390396][ T74] ___sys_sendmsg+0xee/0x170 [ 4713.390396][ T74] __sys_sendmsg+0xcd/0x170 [ 4713.390396][ T74] do_syscall_64+0xc6/0x1e0 [ 4713.390396][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4713.390396][ T74] [ 4713.392684][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4713.392684][ T74] netdev_get_by_index+0x5e/0x80 [ 4713.392684][ T74] fib6_nh_init+0x3d8/0x1580 [ 4713.392684][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4713.392684][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4713.392684][ T74] ipv6_add_addr+0x411/0x2000 [ 4713.392684][ T74] inet6_addr_add+0x30e/0xa40 [ 4713.392684][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4713.392684][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4713.392684][ T74] netlink_rcv_skb+0x130/0x360 [ 4713.392684][ T74] netlink_unicast+0x449/0x710 [ 4713.392684][ T74] netlink_sendmsg+0x723/0xbe0 [ 4713.392684][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4713.392684][ T74] ___sys_sendmsg+0xee/0x170 [ 4713.392684][ T74] __sys_sendmsg+0xcd/0x170 [ 4713.392684][ T74] do_syscall_64+0xc6/0x1e0 [ 4713.392684][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4713.392684][ T74] [ 4713.394952][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4713.394952][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4713.394952][ T74] ipv6_find_idev+0x102/0x170 [ 4713.394952][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4713.394952][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4713.394952][ T74] netlink_rcv_skb+0x130/0x360 [ 4713.394952][ T74] netlink_unicast+0x449/0x710 [ 4713.394952][ T74] netlink_sendmsg+0x723/0xbe0 [ 4713.394952][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4713.394952][ T74] ___sys_sendmsg+0xee/0x170 [ 4713.394952][ T74] __sys_sendmsg+0xcd/0x170 [ 4713.394952][ T74] do_syscall_64+0xc6/0x1e0 [ 4713.394952][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4713.394952][ T74] [ 4713.396705][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4713.396705][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4713.396705][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4713.396705][ T74] ipv6_find_idev+0x102/0x170 [ 4713.396705][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4713.396705][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4713.396705][ T74] netlink_rcv_skb+0x130/0x360 [ 4713.396705][ T74] netlink_unicast+0x449/0x710 [ 4713.396705][ T74] netlink_sendmsg+0x723/0xbe0 [ 4713.396705][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4713.396705][ T74] ___sys_sendmsg+0xee/0x170 [ 4713.396705][ T74] __sys_sendmsg+0xcd/0x170 [ 4713.396705][ T74] do_syscall_64+0xc6/0x1e0 [ 4713.396705][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4713.396705][ T74] [ 4723.640501][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4723.640980][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4723.640980][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4723.640980][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4723.640980][ T74] fib6_nh_init+0xa22/0x1580 [ 4723.640980][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4723.640980][ T74] ip6_route_add+0x1c/0x140 [ 4723.640980][ T74] inet6_rtm_newroute+0x104/0x110 [ 4723.640980][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4723.640980][ T74] netlink_rcv_skb+0x130/0x360 [ 4723.640980][ T74] netlink_unicast+0x449/0x710 [ 4723.640980][ T74] netlink_sendmsg+0x723/0xbe0 [ 4723.640980][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4723.640980][ T74] ___sys_sendmsg+0xee/0x170 [ 4723.640980][ T74] __sys_sendmsg+0xcd/0x170 [ 4723.640980][ T74] do_syscall_64+0xc6/0x1e0 [ 4723.640980][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4723.640980][ T74] [ 4723.642919][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4723.642919][ T74] netdev_get_by_index+0x5e/0x80 [ 4723.642919][ T74] fib6_nh_init+0x3d8/0x1580 [ 4723.642919][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4723.642919][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4723.642919][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4723.642919][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4723.642919][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4723.642919][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4723.642919][ T74] addrconf_dad_begin+0x310/0x670 [ 4723.642919][ T74] addrconf_dad_work+0x10b/0xab0 [ 4723.642919][ T74] process_one_work+0x84d/0x18a0 [ 4723.642919][ T74] worker_thread+0x587/0xd30 [ 4723.642919][ T74] kthread+0x28a/0x350 [ 4723.642919][ T74] ret_from_fork+0x31/0x70 [ 4723.642919][ T74] ret_from_fork_asm+0x1a/0x30 [ 4723.642919][ T74] [ 4723.644864][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4723.644864][ T74] netdev_get_by_index+0x5e/0x80 [ 4723.644864][ T74] fib6_nh_init+0x3d8/0x1580 [ 4723.644864][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4723.644864][ T74] ip6_route_add+0x1c/0x140 [ 4723.644864][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4723.644864][ T74] inet6_addr_add+0x4f8/0xa40 [ 4723.644864][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4723.644864][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4723.644864][ T74] netlink_rcv_skb+0x130/0x360 [ 4723.644864][ T74] netlink_unicast+0x449/0x710 [ 4723.644864][ T74] netlink_sendmsg+0x723/0xbe0 [ 4723.644864][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4723.644864][ T74] ___sys_sendmsg+0xee/0x170 [ 4723.644864][ T74] __sys_sendmsg+0xcd/0x170 [ 4723.644864][ T74] do_syscall_64+0xc6/0x1e0 [ 4723.644864][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4723.644864][ T74] [ 4723.646898][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4723.646898][ T74] netdev_get_by_index+0x5e/0x80 [ 4723.646898][ T74] fib6_nh_init+0x3d8/0x1580 [ 4723.646898][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4723.646898][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4723.646898][ T74] ipv6_add_addr+0x411/0x2000 [ 4723.646898][ T74] inet6_addr_add+0x30e/0xa40 [ 4723.646898][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4723.646898][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4723.646898][ T74] netlink_rcv_skb+0x130/0x360 [ 4723.646898][ T74] netlink_unicast+0x449/0x710 [ 4723.646898][ T74] netlink_sendmsg+0x723/0xbe0 [ 4723.646898][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4723.646898][ T74] ___sys_sendmsg+0xee/0x170 [ 4723.646898][ T74] __sys_sendmsg+0xcd/0x170 [ 4723.646898][ T74] do_syscall_64+0xc6/0x1e0 [ 4723.646898][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4723.646898][ T74] [ 4723.648925][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4723.648925][ T74] netdev_get_by_index+0x5e/0x80 [ 4723.648925][ T74] fib6_nh_init+0x3d8/0x1580 [ 4723.648925][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4723.648925][ T74] ip6_route_add+0x1c/0x140 [ 4723.648925][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4723.648925][ T74] addrconf_add_dev+0xe2/0x170 [ 4723.648925][ T74] inet6_addr_add+0x12f/0xa40 [ 4723.648925][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4723.648925][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4723.648925][ T74] netlink_rcv_skb+0x130/0x360 [ 4723.648925][ T74] netlink_unicast+0x449/0x710 [ 4723.648925][ T74] netlink_sendmsg+0x723/0xbe0 [ 4723.648925][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4723.648925][ T74] ___sys_sendmsg+0xee/0x170 [ 4723.648925][ T74] __sys_sendmsg+0xcd/0x170 [ 4723.648925][ T74] do_syscall_64+0xc6/0x1e0 [ 4723.648925][ T74] [ 4723.650915][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4723.650915][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4723.650915][ T74] ipv6_find_idev+0x102/0x170 [ 4723.650915][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4723.650915][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4723.650915][ T74] netlink_rcv_skb+0x130/0x360 [ 4723.650915][ T74] netlink_unicast+0x449/0x710 [ 4723.650915][ T74] netlink_sendmsg+0x723/0xbe0 [ 4723.650915][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4723.650915][ T74] ___sys_sendmsg+0xee/0x170 [ 4723.650915][ T74] __sys_sendmsg+0xcd/0x170 [ 4723.650915][ T74] do_syscall_64+0xc6/0x1e0 [ 4723.650915][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4723.650915][ T74] [ 4723.652484][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4723.652484][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4723.652484][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4723.652484][ T74] ipv6_find_idev+0x102/0x170 [ 4723.652484][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4723.652484][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4723.652484][ T74] netlink_rcv_skb+0x130/0x360 [ 4723.652484][ T74] netlink_unicast+0x449/0x710 [ 4723.652484][ T74] netlink_sendmsg+0x723/0xbe0 [ 4723.652484][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4723.652484][ T74] ___sys_sendmsg+0xee/0x170 [ 4723.652484][ T74] __sys_sendmsg+0xcd/0x170 [ 4723.652484][ T74] do_syscall_64+0xc6/0x1e0 [ 4723.652484][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4723.652484][ T74] [ 4723.654199][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4723.654481][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4723.654481][ T74] dst_init+0x84/0x4a0 [ 4723.654481][ T74] dst_alloc+0x97/0x150 [ 4723.654481][ T74] ip6_dst_alloc+0x23/0x90 [ 4723.654481][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4723.654481][ T74] ip6_pol_route+0x56f/0x840 [ 4723.654481][ T74] fib6_rule_lookup+0x456/0x630 [ 4723.654481][ T74] ip6_route_input+0x59c/0xa50 [ 4723.654481][ T74] ipv6_rcv+0x397/0x810 [ 4723.654481][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4723.654481][ T74] process_backlog+0x101/0x620 [ 4723.654481][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4723.654481][ T74] net_rx_action+0x495/0xbe0 [ 4723.654481][ T74] __do_softirq+0x1b5/0x7f6 [ 4723.654481][ T74] [ 4723.656141][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4723.656141][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4723.656141][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4723.656141][ T74] fib6_nh_init+0xa22/0x1580 [ 4723.656141][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4723.656141][ T74] ip6_route_add+0x1c/0x140 [ 4723.656141][ T74] inet6_rtm_newroute+0x104/0x110 [ 4723.656141][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4723.656141][ T74] netlink_rcv_skb+0x130/0x360 [ 4723.656141][ T74] netlink_unicast+0x449/0x710 [ 4723.656141][ T74] netlink_sendmsg+0x723/0xbe0 [ 4723.656141][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4723.656141][ T74] ___sys_sendmsg+0xee/0x170 [ 4723.656141][ T74] __sys_sendmsg+0xcd/0x170 [ 4723.656141][ T74] do_syscall_64+0xc6/0x1e0 [ 4723.656141][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4723.656141][ T74] [ 4723.658064][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4723.658064][ T74] netdev_get_by_index+0x5e/0x80 [ 4723.658064][ T74] fib6_nh_init+0x3d8/0x1580 [ 4723.658064][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4723.658064][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4723.658064][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4723.658064][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4723.658064][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4723.658064][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4723.658064][ T74] addrconf_dad_begin+0x310/0x670 [ 4723.658064][ T74] addrconf_dad_work+0x10b/0xab0 [ 4723.658064][ T74] process_one_work+0x84d/0x18a0 [ 4723.658064][ T74] worker_thread+0x587/0xd30 [ 4723.658064][ T74] kthread+0x28a/0x350 [ 4723.658064][ T74] ret_from_fork+0x31/0x70 [ 4723.658064][ T74] ret_from_fork_asm+0x1a/0x30 [ 4723.658064][ T74] [ 4723.660004][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4723.660004][ T74] netdev_get_by_index+0x5e/0x80 [ 4723.660004][ T74] fib6_nh_init+0x3d8/0x1580 [ 4723.660004][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4723.660004][ T74] ip6_route_add+0x1c/0x140 [ 4723.660004][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4723.660004][ T74] inet6_addr_add+0x4f8/0xa40 [ 4723.660004][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4723.660004][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4723.660004][ T74] netlink_rcv_skb+0x130/0x360 [ 4723.660004][ T74] netlink_unicast+0x449/0x710 [ 4723.660004][ T74] netlink_sendmsg+0x723/0xbe0 [ 4723.660004][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4723.660004][ T74] ___sys_sendmsg+0xee/0x170 [ 4723.660004][ T74] __sys_sendmsg+0xcd/0x170 [ 4723.660004][ T74] do_syscall_64+0xc6/0x1e0 [ 4723.660004][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4723.660004][ T74] [ 4723.662030][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4723.662030][ T74] netdev_get_by_index+0x5e/0x80 [ 4723.662030][ T74] fib6_nh_init+0x3d8/0x1580 [ 4723.662030][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4723.662030][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4723.662030][ T74] ipv6_add_addr+0x411/0x2000 [ 4723.662030][ T74] inet6_addr_add+0x30e/0xa40 [ 4723.662030][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4723.662030][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4723.662030][ T74] netlink_rcv_skb+0x130/0x360 [ 4723.662030][ T74] netlink_unicast+0x449/0x710 [ 4723.662030][ T74] netlink_sendmsg+0x723/0xbe0 [ 4723.662030][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4723.662030][ T74] ___sys_sendmsg+0xee/0x170 [ 4723.662030][ T74] __sys_sendmsg+0xcd/0x170 [ 4723.662030][ T74] do_syscall_64+0xc6/0x1e0 [ 4723.662030][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4723.662030][ T74] [ 4723.664050][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4723.664050][ T74] netdev_get_by_index+0x5e/0x80 [ 4723.664050][ T74] fib6_nh_init+0x3d8/0x1580 [ 4723.664050][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4723.664050][ T74] ip6_route_add+0x1c/0x140 [ 4723.664050][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4723.664050][ T74] addrconf_add_dev+0xe2/0x170 [ 4723.664050][ T74] inet6_addr_add+0x12f/0xa40 [ 4723.664050][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4723.664050][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4723.664050][ T74] netlink_rcv_skb+0x130/0x360 [ 4723.664050][ T74] netlink_unicast+0x449/0x710 [ 4723.664050][ T74] netlink_sendmsg+0x723/0xbe0 [ 4723.664050][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4723.664050][ T74] ___sys_sendmsg+0xee/0x170 [ 4723.664050][ T74] __sys_sendmsg+0xcd/0x170 [ 4723.664050][ T74] do_syscall_64+0xc6/0x1e0 [ 4723.664050][ T74] [ 4723.666149][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4723.666149][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4723.666149][ T74] ipv6_find_idev+0x102/0x170 [ 4723.666149][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4723.666149][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4723.666149][ T74] netlink_rcv_skb+0x130/0x360 [ 4723.666149][ T74] netlink_unicast+0x449/0x710 [ 4723.666149][ T74] netlink_sendmsg+0x723/0xbe0 [ 4723.666149][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4723.666149][ T74] ___sys_sendmsg+0xee/0x170 [ 4723.666149][ T74] __sys_sendmsg+0xcd/0x170 [ 4723.666149][ T74] do_syscall_64+0xc6/0x1e0 [ 4723.666149][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4723.666149][ T74] [ 4723.667908][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4723.667908][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4723.667908][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4723.667908][ T74] ipv6_find_idev+0x102/0x170 [ 4723.667908][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4723.667908][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4723.667908][ T74] netlink_rcv_skb+0x130/0x360 [ 4723.667908][ T74] netlink_unicast+0x449/0x710 [ 4723.667908][ T74] netlink_sendmsg+0x723/0xbe0 [ 4723.667908][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4723.667908][ T74] ___sys_sendmsg+0xee/0x170 [ 4723.667908][ T74] __sys_sendmsg+0xcd/0x170 [ 4723.667908][ T74] do_syscall_64+0xc6/0x1e0 [ 4723.667908][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4723.667908][ T74] [ 4723.669869][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4723.670142][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4723.670142][ T74] netdev_get_by_index+0x5e/0x80 [ 4723.670142][ T74] fib6_nh_init+0x3d8/0x1580 [ 4723.670142][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4723.670142][ T74] ip6_route_add+0x1c/0x140 [ 4723.670142][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4723.670142][ T74] inet6_addr_add+0x4f8/0xa40 [ 4723.670142][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4723.670142][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4723.670142][ T74] netlink_rcv_skb+0x130/0x360 [ 4723.670142][ T74] netlink_unicast+0x449/0x710 [ 4723.670142][ T74] netlink_sendmsg+0x723/0xbe0 [ 4723.670142][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4723.670142][ T74] ___sys_sendmsg+0xee/0x170 [ 4723.670142][ T74] __sys_sendmsg+0xcd/0x170 [ 4723.670142][ T74] do_syscall_64+0xc6/0x1e0 [ 4723.670142][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4723.670142][ T74] [ 4723.672411][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4723.672411][ T74] netdev_get_by_index+0x5e/0x80 [ 4723.672411][ T74] fib6_nh_init+0x3d8/0x1580 [ 4723.672411][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4723.672411][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4723.672411][ T74] ipv6_add_addr+0x411/0x2000 [ 4723.672411][ T74] inet6_addr_add+0x30e/0xa40 [ 4723.672411][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4723.672411][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4723.672411][ T74] netlink_rcv_skb+0x130/0x360 [ 4723.672411][ T74] netlink_unicast+0x449/0x710 [ 4723.672411][ T74] netlink_sendmsg+0x723/0xbe0 [ 4723.672411][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4723.672411][ T74] ___sys_sendmsg+0xee/0x170 [ 4723.672411][ T74] __sys_sendmsg+0xcd/0x170 [ 4723.672411][ T74] do_syscall_64+0xc6/0x1e0 [ 4723.672411][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4723.672411][ T74] [ 4723.674667][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4723.674667][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4723.674667][ T74] ipv6_find_idev+0x102/0x170 [ 4723.674667][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4723.674667][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4723.674667][ T74] netlink_rcv_skb+0x130/0x360 [ 4723.674667][ T74] netlink_unicast+0x449/0x710 [ 4723.674667][ T74] netlink_sendmsg+0x723/0xbe0 [ 4723.674667][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4723.674667][ T74] ___sys_sendmsg+0xee/0x170 [ 4723.674667][ T74] __sys_sendmsg+0xcd/0x170 [ 4723.674667][ T74] do_syscall_64+0xc6/0x1e0 [ 4723.674667][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4723.674667][ T74] [ 4723.676376][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4723.676376][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4723.676376][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4723.676376][ T74] ipv6_find_idev+0x102/0x170 [ 4723.676376][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4723.676376][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4723.676376][ T74] netlink_rcv_skb+0x130/0x360 [ 4723.676376][ T74] netlink_unicast+0x449/0x710 [ 4723.676376][ T74] netlink_sendmsg+0x723/0xbe0 [ 4723.676376][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4723.676376][ T74] ___sys_sendmsg+0xee/0x170 [ 4723.676376][ T74] __sys_sendmsg+0xcd/0x170 [ 4723.676376][ T74] do_syscall_64+0xc6/0x1e0 [ 4723.676376][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4723.676376][ T74] [ 4733.919974][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4733.920424][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4733.920424][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4733.920424][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4733.920424][ T74] fib6_nh_init+0xa22/0x1580 [ 4733.920424][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4733.920424][ T74] ip6_route_add+0x1c/0x140 [ 4733.920424][ T74] inet6_rtm_newroute+0x104/0x110 [ 4733.920424][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4733.920424][ T74] netlink_rcv_skb+0x130/0x360 [ 4733.920424][ T74] netlink_unicast+0x449/0x710 [ 4733.920424][ T74] netlink_sendmsg+0x723/0xbe0 [ 4733.920424][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4733.920424][ T74] ___sys_sendmsg+0xee/0x170 [ 4733.920424][ T74] __sys_sendmsg+0xcd/0x170 [ 4733.920424][ T74] do_syscall_64+0xc6/0x1e0 [ 4733.920424][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4733.920424][ T74] [ 4733.922357][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4733.922357][ T74] netdev_get_by_index+0x5e/0x80 [ 4733.922357][ T74] fib6_nh_init+0x3d8/0x1580 [ 4733.922357][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4733.922357][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4733.922357][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4733.922357][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4733.922357][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4733.922357][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4733.922357][ T74] addrconf_dad_begin+0x310/0x670 [ 4733.922357][ T74] addrconf_dad_work+0x10b/0xab0 [ 4733.922357][ T74] process_one_work+0x84d/0x18a0 [ 4733.922357][ T74] worker_thread+0x587/0xd30 [ 4733.922357][ T74] kthread+0x28a/0x350 [ 4733.922357][ T74] ret_from_fork+0x31/0x70 [ 4733.922357][ T74] ret_from_fork_asm+0x1a/0x30 [ 4733.922357][ T74] [ 4733.924317][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4733.924317][ T74] netdev_get_by_index+0x5e/0x80 [ 4733.924317][ T74] fib6_nh_init+0x3d8/0x1580 [ 4733.924317][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4733.924317][ T74] ip6_route_add+0x1c/0x140 [ 4733.924317][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4733.924317][ T74] inet6_addr_add+0x4f8/0xa40 [ 4733.924317][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4733.924317][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4733.924317][ T74] netlink_rcv_skb+0x130/0x360 [ 4733.924317][ T74] netlink_unicast+0x449/0x710 [ 4733.924317][ T74] netlink_sendmsg+0x723/0xbe0 [ 4733.924317][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4733.924317][ T74] ___sys_sendmsg+0xee/0x170 [ 4733.924317][ T74] __sys_sendmsg+0xcd/0x170 [ 4733.924317][ T74] do_syscall_64+0xc6/0x1e0 [ 4733.924317][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4733.924317][ T74] [ 4733.926362][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4733.926362][ T74] netdev_get_by_index+0x5e/0x80 [ 4733.926362][ T74] fib6_nh_init+0x3d8/0x1580 [ 4733.926362][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4733.926362][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4733.926362][ T74] ipv6_add_addr+0x411/0x2000 [ 4733.926362][ T74] inet6_addr_add+0x30e/0xa40 [ 4733.926362][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4733.926362][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4733.926362][ T74] netlink_rcv_skb+0x130/0x360 [ 4733.926362][ T74] netlink_unicast+0x449/0x710 [ 4733.926362][ T74] netlink_sendmsg+0x723/0xbe0 [ 4733.926362][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4733.926362][ T74] ___sys_sendmsg+0xee/0x170 [ 4733.926362][ T74] __sys_sendmsg+0xcd/0x170 [ 4733.926362][ T74] do_syscall_64+0xc6/0x1e0 [ 4733.926362][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4733.926362][ T74] [ 4733.928408][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4733.928408][ T74] netdev_get_by_index+0x5e/0x80 [ 4733.928408][ T74] fib6_nh_init+0x3d8/0x1580 [ 4733.928408][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4733.928408][ T74] ip6_route_add+0x1c/0x140 [ 4733.928408][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4733.928408][ T74] addrconf_add_dev+0xe2/0x170 [ 4733.928408][ T74] inet6_addr_add+0x12f/0xa40 [ 4733.928408][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4733.928408][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4733.928408][ T74] netlink_rcv_skb+0x130/0x360 [ 4733.928408][ T74] netlink_unicast+0x449/0x710 [ 4733.928408][ T74] netlink_sendmsg+0x723/0xbe0 [ 4733.928408][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4733.928408][ T74] ___sys_sendmsg+0xee/0x170 [ 4733.928408][ T74] __sys_sendmsg+0xcd/0x170 [ 4733.928408][ T74] do_syscall_64+0xc6/0x1e0 [ 4733.928408][ T74] [ 4733.930398][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4733.930398][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4733.930398][ T74] ipv6_find_idev+0x102/0x170 [ 4733.930398][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4733.930398][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4733.930398][ T74] netlink_rcv_skb+0x130/0x360 [ 4733.930398][ T74] netlink_unicast+0x449/0x710 [ 4733.930398][ T74] netlink_sendmsg+0x723/0xbe0 [ 4733.930398][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4733.930398][ T74] ___sys_sendmsg+0xee/0x170 [ 4733.930398][ T74] __sys_sendmsg+0xcd/0x170 [ 4733.930398][ T74] do_syscall_64+0xc6/0x1e0 [ 4733.930398][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4733.930398][ T74] [ 4733.931961][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4733.931961][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4733.931961][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4733.931961][ T74] ipv6_find_idev+0x102/0x170 [ 4733.931961][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4733.931961][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4733.931961][ T74] netlink_rcv_skb+0x130/0x360 [ 4733.931961][ T74] netlink_unicast+0x449/0x710 [ 4733.931961][ T74] netlink_sendmsg+0x723/0xbe0 [ 4733.931961][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4733.931961][ T74] ___sys_sendmsg+0xee/0x170 [ 4733.931961][ T74] __sys_sendmsg+0xcd/0x170 [ 4733.931961][ T74] do_syscall_64+0xc6/0x1e0 [ 4733.931961][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4733.931961][ T74] [ 4733.933679][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4733.933978][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4733.933978][ T74] dst_init+0x84/0x4a0 [ 4733.933978][ T74] dst_alloc+0x97/0x150 [ 4733.933978][ T74] ip6_dst_alloc+0x23/0x90 [ 4733.933978][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4733.933978][ T74] ip6_pol_route+0x56f/0x840 [ 4733.933978][ T74] fib6_rule_lookup+0x456/0x630 [ 4733.933978][ T74] ip6_route_input+0x59c/0xa50 [ 4733.933978][ T74] ipv6_rcv+0x397/0x810 [ 4733.933978][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4733.933978][ T74] process_backlog+0x101/0x620 [ 4733.933978][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4733.933978][ T74] net_rx_action+0x495/0xbe0 [ 4733.933978][ T74] __do_softirq+0x1b5/0x7f6 [ 4733.933978][ T74] [ 4733.935637][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4733.935637][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4733.935637][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4733.935637][ T74] fib6_nh_init+0xa22/0x1580 [ 4733.935637][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4733.935637][ T74] ip6_route_add+0x1c/0x140 [ 4733.935637][ T74] inet6_rtm_newroute+0x104/0x110 [ 4733.935637][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4733.935637][ T74] netlink_rcv_skb+0x130/0x360 [ 4733.935637][ T74] netlink_unicast+0x449/0x710 [ 4733.935637][ T74] netlink_sendmsg+0x723/0xbe0 [ 4733.935637][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4733.935637][ T74] ___sys_sendmsg+0xee/0x170 [ 4733.935637][ T74] __sys_sendmsg+0xcd/0x170 [ 4733.935637][ T74] do_syscall_64+0xc6/0x1e0 [ 4733.935637][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4733.935637][ T74] [ 4733.937554][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4733.937554][ T74] netdev_get_by_index+0x5e/0x80 [ 4733.937554][ T74] fib6_nh_init+0x3d8/0x1580 [ 4733.937554][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4733.937554][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4733.937554][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4733.937554][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4733.937554][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4733.937554][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4733.937554][ T74] addrconf_dad_begin+0x310/0x670 [ 4733.937554][ T74] addrconf_dad_work+0x10b/0xab0 [ 4733.937554][ T74] process_one_work+0x84d/0x18a0 [ 4733.937554][ T74] worker_thread+0x587/0xd30 [ 4733.937554][ T74] kthread+0x28a/0x350 [ 4733.937554][ T74] ret_from_fork+0x31/0x70 [ 4733.937554][ T74] ret_from_fork_asm+0x1a/0x30 [ 4733.937554][ T74] [ 4733.939485][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4733.939485][ T74] netdev_get_by_index+0x5e/0x80 [ 4733.939485][ T74] fib6_nh_init+0x3d8/0x1580 [ 4733.939485][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4733.939485][ T74] ip6_route_add+0x1c/0x140 [ 4733.939485][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4733.939485][ T74] inet6_addr_add+0x4f8/0xa40 [ 4733.939485][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4733.939485][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4733.939485][ T74] netlink_rcv_skb+0x130/0x360 [ 4733.939485][ T74] netlink_unicast+0x449/0x710 [ 4733.939485][ T74] netlink_sendmsg+0x723/0xbe0 [ 4733.939485][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4733.939485][ T74] ___sys_sendmsg+0xee/0x170 [ 4733.939485][ T74] __sys_sendmsg+0xcd/0x170 [ 4733.939485][ T74] do_syscall_64+0xc6/0x1e0 [ 4733.939485][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4733.939485][ T74] [ 4733.941508][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4733.941508][ T74] netdev_get_by_index+0x5e/0x80 [ 4733.941508][ T74] fib6_nh_init+0x3d8/0x1580 [ 4733.941508][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4733.941508][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4733.941508][ T74] ipv6_add_addr+0x411/0x2000 [ 4733.941508][ T74] inet6_addr_add+0x30e/0xa40 [ 4733.941508][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4733.941508][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4733.941508][ T74] netlink_rcv_skb+0x130/0x360 [ 4733.941508][ T74] netlink_unicast+0x449/0x710 [ 4733.941508][ T74] netlink_sendmsg+0x723/0xbe0 [ 4733.941508][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4733.941508][ T74] ___sys_sendmsg+0xee/0x170 [ 4733.941508][ T74] __sys_sendmsg+0xcd/0x170 [ 4733.941508][ T74] do_syscall_64+0xc6/0x1e0 [ 4733.941508][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4733.941508][ T74] [ 4733.943532][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4733.943532][ T74] netdev_get_by_index+0x5e/0x80 [ 4733.943532][ T74] fib6_nh_init+0x3d8/0x1580 [ 4733.943532][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4733.943532][ T74] ip6_route_add+0x1c/0x140 [ 4733.943532][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4733.943532][ T74] addrconf_add_dev+0xe2/0x170 [ 4733.943532][ T74] inet6_addr_add+0x12f/0xa40 [ 4733.943532][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4733.943532][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4733.943532][ T74] netlink_rcv_skb+0x130/0x360 [ 4733.943532][ T74] netlink_unicast+0x449/0x710 [ 4733.943532][ T74] netlink_sendmsg+0x723/0xbe0 [ 4733.943532][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4733.943532][ T74] ___sys_sendmsg+0xee/0x170 [ 4733.943532][ T74] __sys_sendmsg+0xcd/0x170 [ 4733.943532][ T74] do_syscall_64+0xc6/0x1e0 [ 4733.943532][ T74] [ 4733.945525][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4733.945525][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4733.945525][ T74] ipv6_find_idev+0x102/0x170 [ 4733.945525][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4733.945525][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4733.945525][ T74] netlink_rcv_skb+0x130/0x360 [ 4733.945525][ T74] netlink_unicast+0x449/0x710 [ 4733.945525][ T74] netlink_sendmsg+0x723/0xbe0 [ 4733.945525][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4733.945525][ T74] ___sys_sendmsg+0xee/0x170 [ 4733.945525][ T74] __sys_sendmsg+0xcd/0x170 [ 4733.945525][ T74] do_syscall_64+0xc6/0x1e0 [ 4733.945525][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4733.945525][ T74] [ 4733.947377][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4733.947377][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4733.947377][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4733.947377][ T74] ipv6_find_idev+0x102/0x170 [ 4733.947377][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4733.947377][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4733.947377][ T74] netlink_rcv_skb+0x130/0x360 [ 4733.947377][ T74] netlink_unicast+0x449/0x710 [ 4733.947377][ T74] netlink_sendmsg+0x723/0xbe0 [ 4733.947377][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4733.947377][ T74] ___sys_sendmsg+0xee/0x170 [ 4733.947377][ T74] __sys_sendmsg+0xcd/0x170 [ 4733.947377][ T74] do_syscall_64+0xc6/0x1e0 [ 4733.947377][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4733.947377][ T74] [ 4733.949339][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4733.949585][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4733.949585][ T74] netdev_get_by_index+0x5e/0x80 [ 4733.949585][ T74] fib6_nh_init+0x3d8/0x1580 [ 4733.949585][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4733.949585][ T74] ip6_route_add+0x1c/0x140 [ 4733.949585][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4733.949585][ T74] inet6_addr_add+0x4f8/0xa40 [ 4733.949585][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4733.949585][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4733.949585][ T74] netlink_rcv_skb+0x130/0x360 [ 4733.949585][ T74] netlink_unicast+0x449/0x710 [ 4733.949585][ T74] netlink_sendmsg+0x723/0xbe0 [ 4733.949585][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4733.949585][ T74] ___sys_sendmsg+0xee/0x170 [ 4733.949585][ T74] __sys_sendmsg+0xcd/0x170 [ 4733.949585][ T74] do_syscall_64+0xc6/0x1e0 [ 4733.949585][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4733.949585][ T74] [ 4733.951853][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4733.951853][ T74] netdev_get_by_index+0x5e/0x80 [ 4733.951853][ T74] fib6_nh_init+0x3d8/0x1580 [ 4733.951853][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4733.951853][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4733.951853][ T74] ipv6_add_addr+0x411/0x2000 [ 4733.951853][ T74] inet6_addr_add+0x30e/0xa40 [ 4733.951853][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4733.951853][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4733.951853][ T74] netlink_rcv_skb+0x130/0x360 [ 4733.951853][ T74] netlink_unicast+0x449/0x710 [ 4733.951853][ T74] netlink_sendmsg+0x723/0xbe0 [ 4733.951853][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4733.951853][ T74] ___sys_sendmsg+0xee/0x170 [ 4733.951853][ T74] __sys_sendmsg+0xcd/0x170 [ 4733.951853][ T74] do_syscall_64+0xc6/0x1e0 [ 4733.951853][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4733.951853][ T74] [ 4733.954118][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4733.954118][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4733.954118][ T74] ipv6_find_idev+0x102/0x170 [ 4733.954118][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4733.954118][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4733.954118][ T74] netlink_rcv_skb+0x130/0x360 [ 4733.954118][ T74] netlink_unicast+0x449/0x710 [ 4733.954118][ T74] netlink_sendmsg+0x723/0xbe0 [ 4733.954118][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4733.954118][ T74] ___sys_sendmsg+0xee/0x170 [ 4733.954118][ T74] __sys_sendmsg+0xcd/0x170 [ 4733.954118][ T74] do_syscall_64+0xc6/0x1e0 [ 4733.954118][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4733.954118][ T74] [ 4733.955864][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4733.955864][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4733.955864][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4733.955864][ T74] ipv6_find_idev+0x102/0x170 [ 4733.955864][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4733.955864][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4733.955864][ T74] netlink_rcv_skb+0x130/0x360 [ 4733.955864][ T74] netlink_unicast+0x449/0x710 [ 4733.955864][ T74] netlink_sendmsg+0x723/0xbe0 [ 4733.955864][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4733.955864][ T74] ___sys_sendmsg+0xee/0x170 [ 4733.955864][ T74] __sys_sendmsg+0xcd/0x170 [ 4733.955864][ T74] do_syscall_64+0xc6/0x1e0 [ 4733.955864][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4733.955864][ T74] [ 4744.040511][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4744.040979][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4744.040979][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4744.040979][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4744.040979][ T74] fib6_nh_init+0xa22/0x1580 [ 4744.040979][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4744.040979][ T74] ip6_route_add+0x1c/0x140 [ 4744.040979][ T74] inet6_rtm_newroute+0x104/0x110 [ 4744.040979][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4744.040979][ T74] netlink_rcv_skb+0x130/0x360 [ 4744.040979][ T74] netlink_unicast+0x449/0x710 [ 4744.040979][ T74] netlink_sendmsg+0x723/0xbe0 [ 4744.040979][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4744.040979][ T74] ___sys_sendmsg+0xee/0x170 [ 4744.040979][ T74] __sys_sendmsg+0xcd/0x170 [ 4744.040979][ T74] do_syscall_64+0xc6/0x1e0 [ 4744.040979][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4744.040979][ T74] [ 4744.042923][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4744.042923][ T74] netdev_get_by_index+0x5e/0x80 [ 4744.042923][ T74] fib6_nh_init+0x3d8/0x1580 [ 4744.042923][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4744.042923][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4744.042923][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4744.042923][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4744.042923][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4744.042923][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4744.042923][ T74] addrconf_dad_begin+0x310/0x670 [ 4744.042923][ T74] addrconf_dad_work+0x10b/0xab0 [ 4744.042923][ T74] process_one_work+0x84d/0x18a0 [ 4744.042923][ T74] worker_thread+0x587/0xd30 [ 4744.042923][ T74] kthread+0x28a/0x350 [ 4744.042923][ T74] ret_from_fork+0x31/0x70 [ 4744.042923][ T74] ret_from_fork_asm+0x1a/0x30 [ 4744.042923][ T74] [ 4744.044863][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4744.044863][ T74] netdev_get_by_index+0x5e/0x80 [ 4744.044863][ T74] fib6_nh_init+0x3d8/0x1580 [ 4744.044863][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4744.044863][ T74] ip6_route_add+0x1c/0x140 [ 4744.044863][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4744.044863][ T74] inet6_addr_add+0x4f8/0xa40 [ 4744.044863][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4744.044863][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4744.044863][ T74] netlink_rcv_skb+0x130/0x360 [ 4744.044863][ T74] netlink_unicast+0x449/0x710 [ 4744.044863][ T74] netlink_sendmsg+0x723/0xbe0 [ 4744.044863][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4744.044863][ T74] ___sys_sendmsg+0xee/0x170 [ 4744.044863][ T74] __sys_sendmsg+0xcd/0x170 [ 4744.044863][ T74] do_syscall_64+0xc6/0x1e0 [ 4744.044863][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4744.044863][ T74] [ 4744.046911][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4744.046911][ T74] netdev_get_by_index+0x5e/0x80 [ 4744.046911][ T74] fib6_nh_init+0x3d8/0x1580 [ 4744.046911][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4744.046911][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4744.046911][ T74] ipv6_add_addr+0x411/0x2000 [ 4744.046911][ T74] inet6_addr_add+0x30e/0xa40 [ 4744.046911][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4744.046911][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4744.046911][ T74] netlink_rcv_skb+0x130/0x360 [ 4744.046911][ T74] netlink_unicast+0x449/0x710 [ 4744.046911][ T74] netlink_sendmsg+0x723/0xbe0 [ 4744.046911][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4744.046911][ T74] ___sys_sendmsg+0xee/0x170 [ 4744.046911][ T74] __sys_sendmsg+0xcd/0x170 [ 4744.046911][ T74] do_syscall_64+0xc6/0x1e0 [ 4744.046911][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4744.046911][ T74] [ 4744.048939][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4744.048939][ T74] netdev_get_by_index+0x5e/0x80 [ 4744.048939][ T74] fib6_nh_init+0x3d8/0x1580 [ 4744.048939][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4744.048939][ T74] ip6_route_add+0x1c/0x140 [ 4744.048939][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4744.048939][ T74] addrconf_add_dev+0xe2/0x170 [ 4744.048939][ T74] inet6_addr_add+0x12f/0xa40 [ 4744.048939][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4744.048939][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4744.048939][ T74] netlink_rcv_skb+0x130/0x360 [ 4744.048939][ T74] netlink_unicast+0x449/0x710 [ 4744.048939][ T74] netlink_sendmsg+0x723/0xbe0 [ 4744.048939][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4744.048939][ T74] ___sys_sendmsg+0xee/0x170 [ 4744.048939][ T74] __sys_sendmsg+0xcd/0x170 [ 4744.048939][ T74] do_syscall_64+0xc6/0x1e0 [ 4744.048939][ T74] [ 4744.050929][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4744.050929][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4744.050929][ T74] ipv6_find_idev+0x102/0x170 [ 4744.050929][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4744.050929][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4744.050929][ T74] netlink_rcv_skb+0x130/0x360 [ 4744.050929][ T74] netlink_unicast+0x449/0x710 [ 4744.050929][ T74] netlink_sendmsg+0x723/0xbe0 [ 4744.050929][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4744.050929][ T74] ___sys_sendmsg+0xee/0x170 [ 4744.050929][ T74] __sys_sendmsg+0xcd/0x170 [ 4744.050929][ T74] do_syscall_64+0xc6/0x1e0 [ 4744.050929][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4744.050929][ T74] [ 4744.052484][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4744.052484][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4744.052484][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4744.052484][ T74] ipv6_find_idev+0x102/0x170 [ 4744.052484][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4744.052484][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4744.052484][ T74] netlink_rcv_skb+0x130/0x360 [ 4744.052484][ T74] netlink_unicast+0x449/0x710 [ 4744.052484][ T74] netlink_sendmsg+0x723/0xbe0 [ 4744.052484][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4744.052484][ T74] ___sys_sendmsg+0xee/0x170 [ 4744.052484][ T74] __sys_sendmsg+0xcd/0x170 [ 4744.052484][ T74] do_syscall_64+0xc6/0x1e0 [ 4744.052484][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4744.052484][ T74] [ 4744.054210][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4744.054482][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4744.054482][ T74] dst_init+0x84/0x4a0 [ 4744.054482][ T74] dst_alloc+0x97/0x150 [ 4744.054482][ T74] ip6_dst_alloc+0x23/0x90 [ 4744.054482][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4744.054482][ T74] ip6_pol_route+0x56f/0x840 [ 4744.054482][ T74] fib6_rule_lookup+0x456/0x630 [ 4744.054482][ T74] ip6_route_input+0x59c/0xa50 [ 4744.054482][ T74] ipv6_rcv+0x397/0x810 [ 4744.054482][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4744.054482][ T74] process_backlog+0x101/0x620 [ 4744.054482][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4744.054482][ T74] net_rx_action+0x495/0xbe0 [ 4744.054482][ T74] __do_softirq+0x1b5/0x7f6 [ 4744.054482][ T74] [ 4744.056141][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4744.056141][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4744.056141][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4744.056141][ T74] fib6_nh_init+0xa22/0x1580 [ 4744.056141][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4744.056141][ T74] ip6_route_add+0x1c/0x140 [ 4744.056141][ T74] inet6_rtm_newroute+0x104/0x110 [ 4744.056141][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4744.056141][ T74] netlink_rcv_skb+0x130/0x360 [ 4744.056141][ T74] netlink_unicast+0x449/0x710 [ 4744.056141][ T74] netlink_sendmsg+0x723/0xbe0 [ 4744.056141][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4744.056141][ T74] ___sys_sendmsg+0xee/0x170 [ 4744.056141][ T74] __sys_sendmsg+0xcd/0x170 [ 4744.056141][ T74] do_syscall_64+0xc6/0x1e0 [ 4744.056141][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4744.056141][ T74] [ 4744.058057][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4744.058057][ T74] netdev_get_by_index+0x5e/0x80 [ 4744.058057][ T74] fib6_nh_init+0x3d8/0x1580 [ 4744.058057][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4744.058057][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4744.058057][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4744.058057][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4744.058057][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4744.058057][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4744.058057][ T74] addrconf_dad_begin+0x310/0x670 [ 4744.058057][ T74] addrconf_dad_work+0x10b/0xab0 [ 4744.058057][ T74] process_one_work+0x84d/0x18a0 [ 4744.058057][ T74] worker_thread+0x587/0xd30 [ 4744.058057][ T74] kthread+0x28a/0x350 [ 4744.058057][ T74] ret_from_fork+0x31/0x70 [ 4744.058057][ T74] ret_from_fork_asm+0x1a/0x30 [ 4744.058057][ T74] [ 4744.059988][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4744.059988][ T74] netdev_get_by_index+0x5e/0x80 [ 4744.059988][ T74] fib6_nh_init+0x3d8/0x1580 [ 4744.059988][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4744.059988][ T74] ip6_route_add+0x1c/0x140 [ 4744.059988][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4744.059988][ T74] inet6_addr_add+0x4f8/0xa40 [ 4744.059988][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4744.059988][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4744.059988][ T74] netlink_rcv_skb+0x130/0x360 [ 4744.059988][ T74] netlink_unicast+0x449/0x710 [ 4744.059988][ T74] netlink_sendmsg+0x723/0xbe0 [ 4744.059988][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4744.059988][ T74] ___sys_sendmsg+0xee/0x170 [ 4744.059988][ T74] __sys_sendmsg+0xcd/0x170 [ 4744.059988][ T74] do_syscall_64+0xc6/0x1e0 [ 4744.059988][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4744.059988][ T74] [ 4744.062015][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4744.062015][ T74] netdev_get_by_index+0x5e/0x80 [ 4744.062015][ T74] fib6_nh_init+0x3d8/0x1580 [ 4744.062015][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4744.062015][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4744.062015][ T74] ipv6_add_addr+0x411/0x2000 [ 4744.062015][ T74] inet6_addr_add+0x30e/0xa40 [ 4744.062015][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4744.062015][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4744.062015][ T74] netlink_rcv_skb+0x130/0x360 [ 4744.062015][ T74] netlink_unicast+0x449/0x710 [ 4744.062015][ T74] netlink_sendmsg+0x723/0xbe0 [ 4744.062015][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4744.062015][ T74] ___sys_sendmsg+0xee/0x170 [ 4744.062015][ T74] __sys_sendmsg+0xcd/0x170 [ 4744.062015][ T74] do_syscall_64+0xc6/0x1e0 [ 4744.062015][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4744.062015][ T74] [ 4744.064052][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4744.064052][ T74] netdev_get_by_index+0x5e/0x80 [ 4744.064052][ T74] fib6_nh_init+0x3d8/0x1580 [ 4744.064052][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4744.064052][ T74] ip6_route_add+0x1c/0x140 [ 4744.064052][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4744.064052][ T74] addrconf_add_dev+0xe2/0x170 [ 4744.064052][ T74] inet6_addr_add+0x12f/0xa40 [ 4744.064052][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4744.064052][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4744.064052][ T74] netlink_rcv_skb+0x130/0x360 [ 4744.064052][ T74] netlink_unicast+0x449/0x710 [ 4744.064052][ T74] netlink_sendmsg+0x723/0xbe0 [ 4744.064052][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4744.064052][ T74] ___sys_sendmsg+0xee/0x170 [ 4744.064052][ T74] __sys_sendmsg+0xcd/0x170 [ 4744.064052][ T74] do_syscall_64+0xc6/0x1e0 [ 4744.064052][ T74] [ 4744.066038][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4744.066038][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4744.066038][ T74] ipv6_find_idev+0x102/0x170 [ 4744.066038][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4744.066038][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4744.066038][ T74] netlink_rcv_skb+0x130/0x360 [ 4744.066038][ T74] netlink_unicast+0x449/0x710 [ 4744.066038][ T74] netlink_sendmsg+0x723/0xbe0 [ 4744.066038][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4744.066038][ T74] ___sys_sendmsg+0xee/0x170 [ 4744.066038][ T74] __sys_sendmsg+0xcd/0x170 [ 4744.066038][ T74] do_syscall_64+0xc6/0x1e0 [ 4744.066038][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4744.066038][ T74] [ 4744.067799][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4744.067799][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4744.067799][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4744.067799][ T74] ipv6_find_idev+0x102/0x170 [ 4744.067799][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4744.067799][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4744.067799][ T74] netlink_rcv_skb+0x130/0x360 [ 4744.067799][ T74] netlink_unicast+0x449/0x710 [ 4744.067799][ T74] netlink_sendmsg+0x723/0xbe0 [ 4744.067799][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4744.067799][ T74] ___sys_sendmsg+0xee/0x170 [ 4744.067799][ T74] __sys_sendmsg+0xcd/0x170 [ 4744.067799][ T74] do_syscall_64+0xc6/0x1e0 [ 4744.067799][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4744.067799][ T74] [ 4744.069761][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4744.070112][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4744.070112][ T74] netdev_get_by_index+0x5e/0x80 [ 4744.070112][ T74] fib6_nh_init+0x3d8/0x1580 [ 4744.070112][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4744.070112][ T74] ip6_route_add+0x1c/0x140 [ 4744.070112][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4744.070112][ T74] inet6_addr_add+0x4f8/0xa40 [ 4744.070112][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4744.070112][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4744.070112][ T74] netlink_rcv_skb+0x130/0x360 [ 4744.070112][ T74] netlink_unicast+0x449/0x710 [ 4744.070112][ T74] netlink_sendmsg+0x723/0xbe0 [ 4744.070112][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4744.070112][ T74] ___sys_sendmsg+0xee/0x170 [ 4744.070112][ T74] __sys_sendmsg+0xcd/0x170 [ 4744.070112][ T74] do_syscall_64+0xc6/0x1e0 [ 4744.070112][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4744.070112][ T74] [ 4744.072340][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4744.072340][ T74] netdev_get_by_index+0x5e/0x80 [ 4744.072340][ T74] fib6_nh_init+0x3d8/0x1580 [ 4744.072340][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4744.072340][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4744.072340][ T74] ipv6_add_addr+0x411/0x2000 [ 4744.072340][ T74] inet6_addr_add+0x30e/0xa40 [ 4744.072340][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4744.072340][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4744.072340][ T74] netlink_rcv_skb+0x130/0x360 [ 4744.072340][ T74] netlink_unicast+0x449/0x710 [ 4744.072340][ T74] netlink_sendmsg+0x723/0xbe0 [ 4744.072340][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4744.072340][ T74] ___sys_sendmsg+0xee/0x170 [ 4744.072340][ T74] __sys_sendmsg+0xcd/0x170 [ 4744.072340][ T74] do_syscall_64+0xc6/0x1e0 [ 4744.072340][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4744.072340][ T74] [ 4744.074609][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4744.074609][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4744.074609][ T74] ipv6_find_idev+0x102/0x170 [ 4744.074609][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4744.074609][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4744.074609][ T74] netlink_rcv_skb+0x130/0x360 [ 4744.074609][ T74] netlink_unicast+0x449/0x710 [ 4744.074609][ T74] netlink_sendmsg+0x723/0xbe0 [ 4744.074609][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4744.074609][ T74] ___sys_sendmsg+0xee/0x170 [ 4744.074609][ T74] __sys_sendmsg+0xcd/0x170 [ 4744.074609][ T74] do_syscall_64+0xc6/0x1e0 [ 4744.074609][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4744.074609][ T74] [ 4744.076356][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4744.076356][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4744.076356][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4744.076356][ T74] ipv6_find_idev+0x102/0x170 [ 4744.076356][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4744.076356][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4744.076356][ T74] netlink_rcv_skb+0x130/0x360 [ 4744.076356][ T74] netlink_unicast+0x449/0x710 [ 4744.076356][ T74] netlink_sendmsg+0x723/0xbe0 [ 4744.076356][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4744.076356][ T74] ___sys_sendmsg+0xee/0x170 [ 4744.076356][ T74] __sys_sendmsg+0xcd/0x170 [ 4744.076356][ T74] do_syscall_64+0xc6/0x1e0 [ 4744.076356][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4744.076356][ T74] [ 4754.320040][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4754.320403][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4754.320403][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4754.320403][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4754.320403][ T74] fib6_nh_init+0xa22/0x1580 [ 4754.320403][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4754.320403][ T74] ip6_route_add+0x1c/0x140 [ 4754.320403][ T74] inet6_rtm_newroute+0x104/0x110 [ 4754.320403][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4754.320403][ T74] netlink_rcv_skb+0x130/0x360 [ 4754.320403][ T74] netlink_unicast+0x449/0x710 [ 4754.320403][ T74] netlink_sendmsg+0x723/0xbe0 [ 4754.320403][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4754.320403][ T74] ___sys_sendmsg+0xee/0x170 [ 4754.320403][ T74] __sys_sendmsg+0xcd/0x170 [ 4754.320403][ T74] do_syscall_64+0xc6/0x1e0 [ 4754.320403][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4754.320403][ T74] [ 4754.322345][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4754.322345][ T74] netdev_get_by_index+0x5e/0x80 [ 4754.322345][ T74] fib6_nh_init+0x3d8/0x1580 [ 4754.322345][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4754.322345][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4754.322345][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4754.322345][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4754.322345][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4754.322345][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4754.322345][ T74] addrconf_dad_begin+0x310/0x670 [ 4754.322345][ T74] addrconf_dad_work+0x10b/0xab0 [ 4754.322345][ T74] process_one_work+0x84d/0x18a0 [ 4754.322345][ T74] worker_thread+0x587/0xd30 [ 4754.322345][ T74] kthread+0x28a/0x350 [ 4754.322345][ T74] ret_from_fork+0x31/0x70 [ 4754.322345][ T74] ret_from_fork_asm+0x1a/0x30 [ 4754.322345][ T74] [ 4754.324289][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4754.324289][ T74] netdev_get_by_index+0x5e/0x80 [ 4754.324289][ T74] fib6_nh_init+0x3d8/0x1580 [ 4754.324289][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4754.324289][ T74] ip6_route_add+0x1c/0x140 [ 4754.324289][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4754.324289][ T74] inet6_addr_add+0x4f8/0xa40 [ 4754.324289][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4754.324289][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4754.324289][ T74] netlink_rcv_skb+0x130/0x360 [ 4754.324289][ T74] netlink_unicast+0x449/0x710 [ 4754.324289][ T74] netlink_sendmsg+0x723/0xbe0 [ 4754.324289][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4754.324289][ T74] ___sys_sendmsg+0xee/0x170 [ 4754.324289][ T74] __sys_sendmsg+0xcd/0x170 [ 4754.324289][ T74] do_syscall_64+0xc6/0x1e0 [ 4754.324289][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4754.324289][ T74] [ 4754.326339][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4754.326339][ T74] netdev_get_by_index+0x5e/0x80 [ 4754.326339][ T74] fib6_nh_init+0x3d8/0x1580 [ 4754.326339][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4754.326339][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4754.326339][ T74] ipv6_add_addr+0x411/0x2000 [ 4754.326339][ T74] inet6_addr_add+0x30e/0xa40 [ 4754.326339][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4754.326339][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4754.326339][ T74] netlink_rcv_skb+0x130/0x360 [ 4754.326339][ T74] netlink_unicast+0x449/0x710 [ 4754.326339][ T74] netlink_sendmsg+0x723/0xbe0 [ 4754.326339][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4754.326339][ T74] ___sys_sendmsg+0xee/0x170 [ 4754.326339][ T74] __sys_sendmsg+0xcd/0x170 [ 4754.326339][ T74] do_syscall_64+0xc6/0x1e0 [ 4754.326339][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4754.326339][ T74] [ 4754.328362][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4754.328362][ T74] netdev_get_by_index+0x5e/0x80 [ 4754.328362][ T74] fib6_nh_init+0x3d8/0x1580 [ 4754.328362][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4754.328362][ T74] ip6_route_add+0x1c/0x140 [ 4754.328362][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4754.328362][ T74] addrconf_add_dev+0xe2/0x170 [ 4754.328362][ T74] inet6_addr_add+0x12f/0xa40 [ 4754.328362][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4754.328362][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4754.328362][ T74] netlink_rcv_skb+0x130/0x360 [ 4754.328362][ T74] netlink_unicast+0x449/0x710 [ 4754.328362][ T74] netlink_sendmsg+0x723/0xbe0 [ 4754.328362][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4754.328362][ T74] ___sys_sendmsg+0xee/0x170 [ 4754.328362][ T74] __sys_sendmsg+0xcd/0x170 [ 4754.328362][ T74] do_syscall_64+0xc6/0x1e0 [ 4754.328362][ T74] [ 4754.330355][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4754.330355][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4754.330355][ T74] ipv6_find_idev+0x102/0x170 [ 4754.330355][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4754.330355][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4754.330355][ T74] netlink_rcv_skb+0x130/0x360 [ 4754.330355][ T74] netlink_unicast+0x449/0x710 [ 4754.330355][ T74] netlink_sendmsg+0x723/0xbe0 [ 4754.330355][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4754.330355][ T74] ___sys_sendmsg+0xee/0x170 [ 4754.330355][ T74] __sys_sendmsg+0xcd/0x170 [ 4754.330355][ T74] do_syscall_64+0xc6/0x1e0 [ 4754.330355][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4754.330355][ T74] [ 4754.331923][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4754.331923][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4754.331923][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4754.331923][ T74] ipv6_find_idev+0x102/0x170 [ 4754.331923][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4754.331923][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4754.331923][ T74] netlink_rcv_skb+0x130/0x360 [ 4754.331923][ T74] netlink_unicast+0x449/0x710 [ 4754.331923][ T74] netlink_sendmsg+0x723/0xbe0 [ 4754.331923][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4754.331923][ T74] ___sys_sendmsg+0xee/0x170 [ 4754.331923][ T74] __sys_sendmsg+0xcd/0x170 [ 4754.331923][ T74] do_syscall_64+0xc6/0x1e0 [ 4754.331923][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4754.331923][ T74] [ 4754.334210][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4754.334489][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4754.334489][ T74] dst_init+0x84/0x4a0 [ 4754.334489][ T74] dst_alloc+0x97/0x150 [ 4754.334489][ T74] ip6_dst_alloc+0x23/0x90 [ 4754.334489][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4754.334489][ T74] ip6_pol_route+0x56f/0x840 [ 4754.334489][ T74] fib6_rule_lookup+0x456/0x630 [ 4754.334489][ T74] ip6_route_input+0x59c/0xa50 [ 4754.334489][ T74] ipv6_rcv+0x397/0x810 [ 4754.334489][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4754.334489][ T74] process_backlog+0x101/0x620 [ 4754.334489][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4754.334489][ T74] net_rx_action+0x495/0xbe0 [ 4754.334489][ T74] __do_softirq+0x1b5/0x7f6 [ 4754.334489][ T74] [ 4754.336155][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4754.336155][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4754.336155][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4754.336155][ T74] fib6_nh_init+0xa22/0x1580 [ 4754.336155][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4754.336155][ T74] ip6_route_add+0x1c/0x140 [ 4754.336155][ T74] inet6_rtm_newroute+0x104/0x110 [ 4754.336155][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4754.336155][ T74] netlink_rcv_skb+0x130/0x360 [ 4754.336155][ T74] netlink_unicast+0x449/0x710 [ 4754.336155][ T74] netlink_sendmsg+0x723/0xbe0 [ 4754.336155][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4754.336155][ T74] ___sys_sendmsg+0xee/0x170 [ 4754.336155][ T74] __sys_sendmsg+0xcd/0x170 [ 4754.336155][ T74] do_syscall_64+0xc6/0x1e0 [ 4754.336155][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4754.336155][ T74] [ 4754.338064][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4754.338064][ T74] netdev_get_by_index+0x5e/0x80 [ 4754.338064][ T74] fib6_nh_init+0x3d8/0x1580 [ 4754.338064][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4754.338064][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4754.338064][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4754.338064][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4754.338064][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4754.338064][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4754.338064][ T74] addrconf_dad_begin+0x310/0x670 [ 4754.338064][ T74] addrconf_dad_work+0x10b/0xab0 [ 4754.338064][ T74] process_one_work+0x84d/0x18a0 [ 4754.338064][ T74] worker_thread+0x587/0xd30 [ 4754.338064][ T74] kthread+0x28a/0x350 [ 4754.338064][ T74] ret_from_fork+0x31/0x70 [ 4754.338064][ T74] ret_from_fork_asm+0x1a/0x30 [ 4754.338064][ T74] [ 4754.340000][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4754.340000][ T74] netdev_get_by_index+0x5e/0x80 [ 4754.340000][ T74] fib6_nh_init+0x3d8/0x1580 [ 4754.340000][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4754.340000][ T74] ip6_route_add+0x1c/0x140 [ 4754.340000][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4754.340000][ T74] inet6_addr_add+0x4f8/0xa40 [ 4754.340000][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4754.340000][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4754.340000][ T74] netlink_rcv_skb+0x130/0x360 [ 4754.340000][ T74] netlink_unicast+0x449/0x710 [ 4754.340000][ T74] netlink_sendmsg+0x723/0xbe0 [ 4754.340000][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4754.340000][ T74] ___sys_sendmsg+0xee/0x170 [ 4754.340000][ T74] __sys_sendmsg+0xcd/0x170 [ 4754.340000][ T74] do_syscall_64+0xc6/0x1e0 [ 4754.340000][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4754.340000][ T74] [ 4754.342022][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4754.342022][ T74] netdev_get_by_index+0x5e/0x80 [ 4754.342022][ T74] fib6_nh_init+0x3d8/0x1580 [ 4754.342022][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4754.342022][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4754.342022][ T74] ipv6_add_addr+0x411/0x2000 [ 4754.342022][ T74] inet6_addr_add+0x30e/0xa40 [ 4754.342022][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4754.342022][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4754.342022][ T74] netlink_rcv_skb+0x130/0x360 [ 4754.342022][ T74] netlink_unicast+0x449/0x710 [ 4754.342022][ T74] netlink_sendmsg+0x723/0xbe0 [ 4754.342022][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4754.342022][ T74] ___sys_sendmsg+0xee/0x170 [ 4754.342022][ T74] __sys_sendmsg+0xcd/0x170 [ 4754.342022][ T74] do_syscall_64+0xc6/0x1e0 [ 4754.342022][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4754.342022][ T74] [ 4754.344042][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4754.344042][ T74] netdev_get_by_index+0x5e/0x80 [ 4754.344042][ T74] fib6_nh_init+0x3d8/0x1580 [ 4754.344042][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4754.344042][ T74] ip6_route_add+0x1c/0x140 [ 4754.344042][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4754.344042][ T74] addrconf_add_dev+0xe2/0x170 [ 4754.344042][ T74] inet6_addr_add+0x12f/0xa40 [ 4754.344042][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4754.344042][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4754.344042][ T74] netlink_rcv_skb+0x130/0x360 [ 4754.344042][ T74] netlink_unicast+0x449/0x710 [ 4754.344042][ T74] netlink_sendmsg+0x723/0xbe0 [ 4754.344042][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4754.344042][ T74] ___sys_sendmsg+0xee/0x170 [ 4754.344042][ T74] __sys_sendmsg+0xcd/0x170 [ 4754.344042][ T74] do_syscall_64+0xc6/0x1e0 [ 4754.344042][ T74] [ 4754.346031][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4754.346031][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4754.346031][ T74] ipv6_find_idev+0x102/0x170 [ 4754.346031][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4754.346031][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4754.346031][ T74] netlink_rcv_skb+0x130/0x360 [ 4754.346031][ T74] netlink_unicast+0x449/0x710 [ 4754.346031][ T74] netlink_sendmsg+0x723/0xbe0 [ 4754.346031][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4754.346031][ T74] ___sys_sendmsg+0xee/0x170 [ 4754.346031][ T74] __sys_sendmsg+0xcd/0x170 [ 4754.346031][ T74] do_syscall_64+0xc6/0x1e0 [ 4754.346031][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4754.346031][ T74] [ 4754.347779][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4754.347779][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4754.347779][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4754.347779][ T74] ipv6_find_idev+0x102/0x170 [ 4754.347779][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4754.347779][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4754.347779][ T74] netlink_rcv_skb+0x130/0x360 [ 4754.347779][ T74] netlink_unicast+0x449/0x710 [ 4754.347779][ T74] netlink_sendmsg+0x723/0xbe0 [ 4754.347779][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4754.347779][ T74] ___sys_sendmsg+0xee/0x170 [ 4754.347779][ T74] __sys_sendmsg+0xcd/0x170 [ 4754.347779][ T74] do_syscall_64+0xc6/0x1e0 [ 4754.347779][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4754.347779][ T74] [ 4754.349728][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4754.350063][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4754.350063][ T74] netdev_get_by_index+0x5e/0x80 [ 4754.350063][ T74] fib6_nh_init+0x3d8/0x1580 [ 4754.350063][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4754.350063][ T74] ip6_route_add+0x1c/0x140 [ 4754.350063][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4754.350063][ T74] inet6_addr_add+0x4f8/0xa40 [ 4754.350063][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4754.350063][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4754.350063][ T74] netlink_rcv_skb+0x130/0x360 [ 4754.350063][ T74] netlink_unicast+0x449/0x710 [ 4754.350063][ T74] netlink_sendmsg+0x723/0xbe0 [ 4754.350063][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4754.350063][ T74] ___sys_sendmsg+0xee/0x170 [ 4754.350063][ T74] __sys_sendmsg+0xcd/0x170 [ 4754.350063][ T74] do_syscall_64+0xc6/0x1e0 [ 4754.350063][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4754.350063][ T74] [ 4754.352267][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4754.352267][ T74] netdev_get_by_index+0x5e/0x80 [ 4754.352267][ T74] fib6_nh_init+0x3d8/0x1580 [ 4754.352267][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4754.352267][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4754.352267][ T74] ipv6_add_addr+0x411/0x2000 [ 4754.352267][ T74] inet6_addr_add+0x30e/0xa40 [ 4754.352267][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4754.352267][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4754.352267][ T74] netlink_rcv_skb+0x130/0x360 [ 4754.352267][ T74] netlink_unicast+0x449/0x710 [ 4754.352267][ T74] netlink_sendmsg+0x723/0xbe0 [ 4754.352267][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4754.352267][ T74] ___sys_sendmsg+0xee/0x170 [ 4754.352267][ T74] __sys_sendmsg+0xcd/0x170 [ 4754.352267][ T74] do_syscall_64+0xc6/0x1e0 [ 4754.352267][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4754.352267][ T74] [ 4754.354523][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4754.354523][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4754.354523][ T74] ipv6_find_idev+0x102/0x170 [ 4754.354523][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4754.354523][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4754.354523][ T74] netlink_rcv_skb+0x130/0x360 [ 4754.354523][ T74] netlink_unicast+0x449/0x710 [ 4754.354523][ T74] netlink_sendmsg+0x723/0xbe0 [ 4754.354523][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4754.354523][ T74] ___sys_sendmsg+0xee/0x170 [ 4754.354523][ T74] __sys_sendmsg+0xcd/0x170 [ 4754.354523][ T74] do_syscall_64+0xc6/0x1e0 [ 4754.354523][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4754.354523][ T74] [ 4754.356275][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4754.356275][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4754.356275][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4754.356275][ T74] ipv6_find_idev+0x102/0x170 [ 4754.356275][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4754.356275][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4754.356275][ T74] netlink_rcv_skb+0x130/0x360 [ 4754.356275][ T74] netlink_unicast+0x449/0x710 [ 4754.356275][ T74] netlink_sendmsg+0x723/0xbe0 [ 4754.356275][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4754.356275][ T74] ___sys_sendmsg+0xee/0x170 [ 4754.356275][ T74] __sys_sendmsg+0xcd/0x170 [ 4754.356275][ T74] do_syscall_64+0xc6/0x1e0 [ 4754.356275][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4754.356275][ T74] [ 4764.600490][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4764.600959][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4764.600959][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4764.600959][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4764.600959][ T74] fib6_nh_init+0xa22/0x1580 [ 4764.600959][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4764.600959][ T74] ip6_route_add+0x1c/0x140 [ 4764.600959][ T74] inet6_rtm_newroute+0x104/0x110 [ 4764.600959][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4764.600959][ T74] netlink_rcv_skb+0x130/0x360 [ 4764.600959][ T74] netlink_unicast+0x449/0x710 [ 4764.600959][ T74] netlink_sendmsg+0x723/0xbe0 [ 4764.600959][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4764.600959][ T74] ___sys_sendmsg+0xee/0x170 [ 4764.600959][ T74] __sys_sendmsg+0xcd/0x170 [ 4764.600959][ T74] do_syscall_64+0xc6/0x1e0 [ 4764.600959][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4764.600959][ T74] [ 4764.602927][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4764.602927][ T74] netdev_get_by_index+0x5e/0x80 [ 4764.602927][ T74] fib6_nh_init+0x3d8/0x1580 [ 4764.602927][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4764.602927][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4764.602927][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4764.602927][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4764.602927][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4764.602927][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4764.602927][ T74] addrconf_dad_begin+0x310/0x670 [ 4764.602927][ T74] addrconf_dad_work+0x10b/0xab0 [ 4764.602927][ T74] process_one_work+0x84d/0x18a0 [ 4764.602927][ T74] worker_thread+0x587/0xd30 [ 4764.602927][ T74] kthread+0x28a/0x350 [ 4764.602927][ T74] ret_from_fork+0x31/0x70 [ 4764.602927][ T74] ret_from_fork_asm+0x1a/0x30 [ 4764.602927][ T74] [ 4764.604988][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4764.604988][ T74] netdev_get_by_index+0x5e/0x80 [ 4764.604988][ T74] fib6_nh_init+0x3d8/0x1580 [ 4764.604988][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4764.604988][ T74] ip6_route_add+0x1c/0x140 [ 4764.604988][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4764.604988][ T74] inet6_addr_add+0x4f8/0xa40 [ 4764.604988][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4764.604988][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4764.604988][ T74] netlink_rcv_skb+0x130/0x360 [ 4764.604988][ T74] netlink_unicast+0x449/0x710 [ 4764.604988][ T74] netlink_sendmsg+0x723/0xbe0 [ 4764.604988][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4764.604988][ T74] ___sys_sendmsg+0xee/0x170 [ 4764.604988][ T74] __sys_sendmsg+0xcd/0x170 [ 4764.604988][ T74] do_syscall_64+0xc6/0x1e0 [ 4764.604988][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4764.604988][ T74] [ 4764.607098][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4764.607098][ T74] netdev_get_by_index+0x5e/0x80 [ 4764.607098][ T74] fib6_nh_init+0x3d8/0x1580 [ 4764.607098][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4764.607098][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4764.607098][ T74] ipv6_add_addr+0x411/0x2000 [ 4764.607098][ T74] inet6_addr_add+0x30e/0xa40 [ 4764.607098][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4764.607098][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4764.607098][ T74] netlink_rcv_skb+0x130/0x360 [ 4764.607098][ T74] netlink_unicast+0x449/0x710 [ 4764.607098][ T74] netlink_sendmsg+0x723/0xbe0 [ 4764.607098][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4764.607098][ T74] ___sys_sendmsg+0xee/0x170 [ 4764.607098][ T74] __sys_sendmsg+0xcd/0x170 [ 4764.607098][ T74] do_syscall_64+0xc6/0x1e0 [ 4764.607098][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4764.607098][ T74] [ 4764.609132][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4764.609132][ T74] netdev_get_by_index+0x5e/0x80 [ 4764.609132][ T74] fib6_nh_init+0x3d8/0x1580 [ 4764.609132][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4764.609132][ T74] ip6_route_add+0x1c/0x140 [ 4764.609132][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4764.609132][ T74] addrconf_add_dev+0xe2/0x170 [ 4764.609132][ T74] inet6_addr_add+0x12f/0xa40 [ 4764.609132][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4764.609132][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4764.609132][ T74] netlink_rcv_skb+0x130/0x360 [ 4764.609132][ T74] netlink_unicast+0x449/0x710 [ 4764.609132][ T74] netlink_sendmsg+0x723/0xbe0 [ 4764.609132][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4764.609132][ T74] ___sys_sendmsg+0xee/0x170 [ 4764.609132][ T74] __sys_sendmsg+0xcd/0x170 [ 4764.609132][ T74] do_syscall_64+0xc6/0x1e0 [ 4764.609132][ T74] [ 4764.611137][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4764.611137][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4764.611137][ T74] ipv6_find_idev+0x102/0x170 [ 4764.611137][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4764.611137][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4764.611137][ T74] netlink_rcv_skb+0x130/0x360 [ 4764.611137][ T74] netlink_unicast+0x449/0x710 [ 4764.611137][ T74] netlink_sendmsg+0x723/0xbe0 [ 4764.611137][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4764.611137][ T74] ___sys_sendmsg+0xee/0x170 [ 4764.611137][ T74] __sys_sendmsg+0xcd/0x170 [ 4764.611137][ T74] do_syscall_64+0xc6/0x1e0 [ 4764.611137][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4764.611137][ T74] [ 4764.612727][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4764.612727][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4764.612727][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4764.612727][ T74] ipv6_find_idev+0x102/0x170 [ 4764.612727][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4764.612727][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4764.612727][ T74] netlink_rcv_skb+0x130/0x360 [ 4764.612727][ T74] netlink_unicast+0x449/0x710 [ 4764.612727][ T74] netlink_sendmsg+0x723/0xbe0 [ 4764.612727][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4764.612727][ T74] ___sys_sendmsg+0xee/0x170 [ 4764.612727][ T74] __sys_sendmsg+0xcd/0x170 [ 4764.612727][ T74] do_syscall_64+0xc6/0x1e0 [ 4764.612727][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4764.612727][ T74] [ 4764.614456][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4764.614735][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4764.614735][ T74] dst_init+0x84/0x4a0 [ 4764.614735][ T74] dst_alloc+0x97/0x150 [ 4764.614735][ T74] ip6_dst_alloc+0x23/0x90 [ 4764.614735][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4764.614735][ T74] ip6_pol_route+0x56f/0x840 [ 4764.614735][ T74] fib6_rule_lookup+0x456/0x630 [ 4764.614735][ T74] ip6_route_input+0x59c/0xa50 [ 4764.614735][ T74] ipv6_rcv+0x397/0x810 [ 4764.614735][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4764.614735][ T74] process_backlog+0x101/0x620 [ 4764.614735][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4764.614735][ T74] net_rx_action+0x495/0xbe0 [ 4764.614735][ T74] __do_softirq+0x1b5/0x7f6 [ 4764.614735][ T74] [ 4764.616424][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4764.616424][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4764.616424][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4764.616424][ T74] fib6_nh_init+0xa22/0x1580 [ 4764.616424][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4764.616424][ T74] ip6_route_add+0x1c/0x140 [ 4764.616424][ T74] inet6_rtm_newroute+0x104/0x110 [ 4764.616424][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4764.616424][ T74] netlink_rcv_skb+0x130/0x360 [ 4764.616424][ T74] netlink_unicast+0x449/0x710 [ 4764.616424][ T74] netlink_sendmsg+0x723/0xbe0 [ 4764.616424][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4764.616424][ T74] ___sys_sendmsg+0xee/0x170 [ 4764.616424][ T74] __sys_sendmsg+0xcd/0x170 [ 4764.616424][ T74] do_syscall_64+0xc6/0x1e0 [ 4764.616424][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4764.616424][ T74] [ 4764.618373][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4764.618373][ T74] netdev_get_by_index+0x5e/0x80 [ 4764.618373][ T74] fib6_nh_init+0x3d8/0x1580 [ 4764.618373][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4764.618373][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4764.618373][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4764.618373][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4764.618373][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4764.618373][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4764.618373][ T74] addrconf_dad_begin+0x310/0x670 [ 4764.618373][ T74] addrconf_dad_work+0x10b/0xab0 [ 4764.618373][ T74] process_one_work+0x84d/0x18a0 [ 4764.618373][ T74] worker_thread+0x587/0xd30 [ 4764.618373][ T74] kthread+0x28a/0x350 [ 4764.618373][ T74] ret_from_fork+0x31/0x70 [ 4764.618373][ T74] ret_from_fork_asm+0x1a/0x30 [ 4764.618373][ T74] [ 4764.620325][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4764.620325][ T74] netdev_get_by_index+0x5e/0x80 [ 4764.620325][ T74] fib6_nh_init+0x3d8/0x1580 [ 4764.620325][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4764.620325][ T74] ip6_route_add+0x1c/0x140 [ 4764.620325][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4764.620325][ T74] inet6_addr_add+0x4f8/0xa40 [ 4764.620325][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4764.620325][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4764.620325][ T74] netlink_rcv_skb+0x130/0x360 [ 4764.620325][ T74] netlink_unicast+0x449/0x710 [ 4764.620325][ T74] netlink_sendmsg+0x723/0xbe0 [ 4764.620325][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4764.620325][ T74] ___sys_sendmsg+0xee/0x170 [ 4764.620325][ T74] __sys_sendmsg+0xcd/0x170 [ 4764.620325][ T74] do_syscall_64+0xc6/0x1e0 [ 4764.620325][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4764.620325][ T74] [ 4764.622355][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4764.622355][ T74] netdev_get_by_index+0x5e/0x80 [ 4764.622355][ T74] fib6_nh_init+0x3d8/0x1580 [ 4764.622355][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4764.622355][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4764.622355][ T74] ipv6_add_addr+0x411/0x2000 [ 4764.622355][ T74] inet6_addr_add+0x30e/0xa40 [ 4764.622355][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4764.622355][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4764.622355][ T74] netlink_rcv_skb+0x130/0x360 [ 4764.622355][ T74] netlink_unicast+0x449/0x710 [ 4764.622355][ T74] netlink_sendmsg+0x723/0xbe0 [ 4764.622355][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4764.622355][ T74] ___sys_sendmsg+0xee/0x170 [ 4764.622355][ T74] __sys_sendmsg+0xcd/0x170 [ 4764.622355][ T74] do_syscall_64+0xc6/0x1e0 [ 4764.622355][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4764.622355][ T74] [ 4764.624397][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4764.624397][ T74] netdev_get_by_index+0x5e/0x80 [ 4764.624397][ T74] fib6_nh_init+0x3d8/0x1580 [ 4764.624397][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4764.624397][ T74] ip6_route_add+0x1c/0x140 [ 4764.624397][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4764.624397][ T74] addrconf_add_dev+0xe2/0x170 [ 4764.624397][ T74] inet6_addr_add+0x12f/0xa40 [ 4764.624397][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4764.624397][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4764.624397][ T74] netlink_rcv_skb+0x130/0x360 [ 4764.624397][ T74] netlink_unicast+0x449/0x710 [ 4764.624397][ T74] netlink_sendmsg+0x723/0xbe0 [ 4764.624397][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4764.624397][ T74] ___sys_sendmsg+0xee/0x170 [ 4764.624397][ T74] __sys_sendmsg+0xcd/0x170 [ 4764.624397][ T74] do_syscall_64+0xc6/0x1e0 [ 4764.624397][ T74] [ 4764.626429][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4764.626429][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4764.626429][ T74] ipv6_find_idev+0x102/0x170 [ 4764.626429][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4764.626429][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4764.626429][ T74] netlink_rcv_skb+0x130/0x360 [ 4764.626429][ T74] netlink_unicast+0x449/0x710 [ 4764.626429][ T74] netlink_sendmsg+0x723/0xbe0 [ 4764.626429][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4764.626429][ T74] ___sys_sendmsg+0xee/0x170 [ 4764.626429][ T74] __sys_sendmsg+0xcd/0x170 [ 4764.626429][ T74] do_syscall_64+0xc6/0x1e0 [ 4764.626429][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4764.626429][ T74] [ 4764.628201][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4764.628201][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4764.628201][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4764.628201][ T74] ipv6_find_idev+0x102/0x170 [ 4764.628201][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4764.628201][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4764.628201][ T74] netlink_rcv_skb+0x130/0x360 [ 4764.628201][ T74] netlink_unicast+0x449/0x710 [ 4764.628201][ T74] netlink_sendmsg+0x723/0xbe0 [ 4764.628201][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4764.628201][ T74] ___sys_sendmsg+0xee/0x170 [ 4764.628201][ T74] __sys_sendmsg+0xcd/0x170 [ 4764.628201][ T74] do_syscall_64+0xc6/0x1e0 [ 4764.628201][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4764.628201][ T74] [ 4764.630162][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4764.630413][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4764.630413][ T74] netdev_get_by_index+0x5e/0x80 [ 4764.630413][ T74] fib6_nh_init+0x3d8/0x1580 [ 4764.630413][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4764.630413][ T74] ip6_route_add+0x1c/0x140 [ 4764.630413][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4764.630413][ T74] inet6_addr_add+0x4f8/0xa40 [ 4764.630413][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4764.630413][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4764.630413][ T74] netlink_rcv_skb+0x130/0x360 [ 4764.630413][ T74] netlink_unicast+0x449/0x710 [ 4764.630413][ T74] netlink_sendmsg+0x723/0xbe0 [ 4764.630413][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4764.630413][ T74] ___sys_sendmsg+0xee/0x170 [ 4764.630413][ T74] __sys_sendmsg+0xcd/0x170 [ 4764.630413][ T74] do_syscall_64+0xc6/0x1e0 [ 4764.630413][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4764.630413][ T74] [ 4764.632683][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4764.632683][ T74] netdev_get_by_index+0x5e/0x80 [ 4764.632683][ T74] fib6_nh_init+0x3d8/0x1580 [ 4764.632683][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4764.632683][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4764.632683][ T74] ipv6_add_addr+0x411/0x2000 [ 4764.632683][ T74] inet6_addr_add+0x30e/0xa40 [ 4764.632683][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4764.632683][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4764.632683][ T74] netlink_rcv_skb+0x130/0x360 [ 4764.632683][ T74] netlink_unicast+0x449/0x710 [ 4764.632683][ T74] netlink_sendmsg+0x723/0xbe0 [ 4764.632683][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4764.632683][ T74] ___sys_sendmsg+0xee/0x170 [ 4764.632683][ T74] __sys_sendmsg+0xcd/0x170 [ 4764.632683][ T74] do_syscall_64+0xc6/0x1e0 [ 4764.632683][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4764.632683][ T74] [ 4764.634998][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4764.634998][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4764.634998][ T74] ipv6_find_idev+0x102/0x170 [ 4764.634998][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4764.634998][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4764.634998][ T74] netlink_rcv_skb+0x130/0x360 [ 4764.634998][ T74] netlink_unicast+0x449/0x710 [ 4764.634998][ T74] netlink_sendmsg+0x723/0xbe0 [ 4764.634998][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4764.634998][ T74] ___sys_sendmsg+0xee/0x170 [ 4764.634998][ T74] __sys_sendmsg+0xcd/0x170 [ 4764.634998][ T74] do_syscall_64+0xc6/0x1e0 [ 4764.634998][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4764.634998][ T74] [ 4764.636705][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4764.636705][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4764.636705][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4764.636705][ T74] ipv6_find_idev+0x102/0x170 [ 4764.636705][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4764.636705][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4764.636705][ T74] netlink_rcv_skb+0x130/0x360 [ 4764.636705][ T74] netlink_unicast+0x449/0x710 [ 4764.636705][ T74] netlink_sendmsg+0x723/0xbe0 [ 4764.636705][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4764.636705][ T74] ___sys_sendmsg+0xee/0x170 [ 4764.636705][ T74] __sys_sendmsg+0xcd/0x170 [ 4764.636705][ T74] do_syscall_64+0xc6/0x1e0 [ 4764.636705][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4764.636705][ T74] [ 4774.639907][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4774.640327][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4774.640327][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4774.640327][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4774.640327][ T74] fib6_nh_init+0xa22/0x1580 [ 4774.640327][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4774.640327][ T74] ip6_route_add+0x1c/0x140 [ 4774.640327][ T74] inet6_rtm_newroute+0x104/0x110 [ 4774.640327][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4774.640327][ T74] netlink_rcv_skb+0x130/0x360 [ 4774.640327][ T74] netlink_unicast+0x449/0x710 [ 4774.640327][ T74] netlink_sendmsg+0x723/0xbe0 [ 4774.640327][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4774.640327][ T74] ___sys_sendmsg+0xee/0x170 [ 4774.640327][ T74] __sys_sendmsg+0xcd/0x170 [ 4774.640327][ T74] do_syscall_64+0xc6/0x1e0 [ 4774.640327][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4774.640327][ T74] [ 4774.642289][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4774.642289][ T74] netdev_get_by_index+0x5e/0x80 [ 4774.642289][ T74] fib6_nh_init+0x3d8/0x1580 [ 4774.642289][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4774.642289][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4774.642289][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4774.642289][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4774.642289][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4774.642289][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4774.642289][ T74] addrconf_dad_begin+0x310/0x670 [ 4774.642289][ T74] addrconf_dad_work+0x10b/0xab0 [ 4774.642289][ T74] process_one_work+0x84d/0x18a0 [ 4774.642289][ T74] worker_thread+0x587/0xd30 [ 4774.642289][ T74] kthread+0x28a/0x350 [ 4774.642289][ T74] ret_from_fork+0x31/0x70 [ 4774.642289][ T74] ret_from_fork_asm+0x1a/0x30 [ 4774.642289][ T74] [ 4774.644246][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4774.644246][ T74] netdev_get_by_index+0x5e/0x80 [ 4774.644246][ T74] fib6_nh_init+0x3d8/0x1580 [ 4774.644246][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4774.644246][ T74] ip6_route_add+0x1c/0x140 [ 4774.644246][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4774.644246][ T74] inet6_addr_add+0x4f8/0xa40 [ 4774.644246][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4774.644246][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4774.644246][ T74] netlink_rcv_skb+0x130/0x360 [ 4774.644246][ T74] netlink_unicast+0x449/0x710 [ 4774.644246][ T74] netlink_sendmsg+0x723/0xbe0 [ 4774.644246][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4774.644246][ T74] ___sys_sendmsg+0xee/0x170 [ 4774.644246][ T74] __sys_sendmsg+0xcd/0x170 [ 4774.644246][ T74] do_syscall_64+0xc6/0x1e0 [ 4774.644246][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4774.644246][ T74] [ 4774.646309][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4774.646309][ T74] netdev_get_by_index+0x5e/0x80 [ 4774.646309][ T74] fib6_nh_init+0x3d8/0x1580 [ 4774.646309][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4774.646309][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4774.646309][ T74] ipv6_add_addr+0x411/0x2000 [ 4774.646309][ T74] inet6_addr_add+0x30e/0xa40 [ 4774.646309][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4774.646309][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4774.646309][ T74] netlink_rcv_skb+0x130/0x360 [ 4774.646309][ T74] netlink_unicast+0x449/0x710 [ 4774.646309][ T74] netlink_sendmsg+0x723/0xbe0 [ 4774.646309][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4774.646309][ T74] ___sys_sendmsg+0xee/0x170 [ 4774.646309][ T74] __sys_sendmsg+0xcd/0x170 [ 4774.646309][ T74] do_syscall_64+0xc6/0x1e0 [ 4774.646309][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4774.646309][ T74] [ 4774.648348][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4774.648348][ T74] netdev_get_by_index+0x5e/0x80 [ 4774.648348][ T74] fib6_nh_init+0x3d8/0x1580 [ 4774.648348][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4774.648348][ T74] ip6_route_add+0x1c/0x140 [ 4774.648348][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4774.648348][ T74] addrconf_add_dev+0xe2/0x170 [ 4774.648348][ T74] inet6_addr_add+0x12f/0xa40 [ 4774.648348][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4774.648348][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4774.648348][ T74] netlink_rcv_skb+0x130/0x360 [ 4774.648348][ T74] netlink_unicast+0x449/0x710 [ 4774.648348][ T74] netlink_sendmsg+0x723/0xbe0 [ 4774.648348][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4774.648348][ T74] ___sys_sendmsg+0xee/0x170 [ 4774.648348][ T74] __sys_sendmsg+0xcd/0x170 [ 4774.648348][ T74] do_syscall_64+0xc6/0x1e0 [ 4774.648348][ T74] [ 4774.650349][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4774.650349][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4774.650349][ T74] ipv6_find_idev+0x102/0x170 [ 4774.650349][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4774.650349][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4774.650349][ T74] netlink_rcv_skb+0x130/0x360 [ 4774.650349][ T74] netlink_unicast+0x449/0x710 [ 4774.650349][ T74] netlink_sendmsg+0x723/0xbe0 [ 4774.650349][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4774.650349][ T74] ___sys_sendmsg+0xee/0x170 [ 4774.650349][ T74] __sys_sendmsg+0xcd/0x170 [ 4774.650349][ T74] do_syscall_64+0xc6/0x1e0 [ 4774.650349][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4774.650349][ T74] [ 4774.651909][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4774.651909][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4774.651909][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4774.651909][ T74] ipv6_find_idev+0x102/0x170 [ 4774.651909][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4774.651909][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4774.651909][ T74] netlink_rcv_skb+0x130/0x360 [ 4774.651909][ T74] netlink_unicast+0x449/0x710 [ 4774.651909][ T74] netlink_sendmsg+0x723/0xbe0 [ 4774.651909][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4774.651909][ T74] ___sys_sendmsg+0xee/0x170 [ 4774.651909][ T74] __sys_sendmsg+0xcd/0x170 [ 4774.651909][ T74] do_syscall_64+0xc6/0x1e0 [ 4774.651909][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4774.651909][ T74] [ 4774.653643][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4774.653939][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4774.653939][ T74] dst_init+0x84/0x4a0 [ 4774.653939][ T74] dst_alloc+0x97/0x150 [ 4774.653939][ T74] ip6_dst_alloc+0x23/0x90 [ 4774.653939][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4774.653939][ T74] ip6_pol_route+0x56f/0x840 [ 4774.653939][ T74] fib6_rule_lookup+0x456/0x630 [ 4774.653939][ T74] ip6_route_input+0x59c/0xa50 [ 4774.653939][ T74] ipv6_rcv+0x397/0x810 [ 4774.653939][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4774.653939][ T74] process_backlog+0x101/0x620 [ 4774.653939][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4774.653939][ T74] net_rx_action+0x495/0xbe0 [ 4774.653939][ T74] __do_softirq+0x1b5/0x7f6 [ 4774.653939][ T74] [ 4774.655612][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4774.655612][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4774.655612][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4774.655612][ T74] fib6_nh_init+0xa22/0x1580 [ 4774.655612][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4774.655612][ T74] ip6_route_add+0x1c/0x140 [ 4774.655612][ T74] inet6_rtm_newroute+0x104/0x110 [ 4774.655612][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4774.655612][ T74] netlink_rcv_skb+0x130/0x360 [ 4774.655612][ T74] netlink_unicast+0x449/0x710 [ 4774.655612][ T74] netlink_sendmsg+0x723/0xbe0 [ 4774.655612][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4774.655612][ T74] ___sys_sendmsg+0xee/0x170 [ 4774.655612][ T74] __sys_sendmsg+0xcd/0x170 [ 4774.655612][ T74] do_syscall_64+0xc6/0x1e0 [ 4774.655612][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4774.655612][ T74] [ 4774.657532][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4774.657532][ T74] netdev_get_by_index+0x5e/0x80 [ 4774.657532][ T74] fib6_nh_init+0x3d8/0x1580 [ 4774.657532][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4774.657532][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4774.657532][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4774.657532][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4774.657532][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4774.657532][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4774.657532][ T74] addrconf_dad_begin+0x310/0x670 [ 4774.657532][ T74] addrconf_dad_work+0x10b/0xab0 [ 4774.657532][ T74] process_one_work+0x84d/0x18a0 [ 4774.657532][ T74] worker_thread+0x587/0xd30 [ 4774.657532][ T74] kthread+0x28a/0x350 [ 4774.657532][ T74] ret_from_fork+0x31/0x70 [ 4774.657532][ T74] ret_from_fork_asm+0x1a/0x30 [ 4774.657532][ T74] [ 4774.659482][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4774.659482][ T74] netdev_get_by_index+0x5e/0x80 [ 4774.659482][ T74] fib6_nh_init+0x3d8/0x1580 [ 4774.659482][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4774.659482][ T74] ip6_route_add+0x1c/0x140 [ 4774.659482][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4774.659482][ T74] inet6_addr_add+0x4f8/0xa40 [ 4774.659482][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4774.659482][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4774.659482][ T74] netlink_rcv_skb+0x130/0x360 [ 4774.659482][ T74] netlink_unicast+0x449/0x710 [ 4774.659482][ T74] netlink_sendmsg+0x723/0xbe0 [ 4774.659482][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4774.659482][ T74] ___sys_sendmsg+0xee/0x170 [ 4774.659482][ T74] __sys_sendmsg+0xcd/0x170 [ 4774.659482][ T74] do_syscall_64+0xc6/0x1e0 [ 4774.659482][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4774.659482][ T74] [ 4774.661510][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4774.661510][ T74] netdev_get_by_index+0x5e/0x80 [ 4774.661510][ T74] fib6_nh_init+0x3d8/0x1580 [ 4774.661510][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4774.661510][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4774.661510][ T74] ipv6_add_addr+0x411/0x2000 [ 4774.661510][ T74] inet6_addr_add+0x30e/0xa40 [ 4774.661510][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4774.661510][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4774.661510][ T74] netlink_rcv_skb+0x130/0x360 [ 4774.661510][ T74] netlink_unicast+0x449/0x710 [ 4774.661510][ T74] netlink_sendmsg+0x723/0xbe0 [ 4774.661510][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4774.661510][ T74] ___sys_sendmsg+0xee/0x170 [ 4774.661510][ T74] __sys_sendmsg+0xcd/0x170 [ 4774.661510][ T74] do_syscall_64+0xc6/0x1e0 [ 4774.661510][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4774.661510][ T74] [ 4774.663546][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4774.663546][ T74] netdev_get_by_index+0x5e/0x80 [ 4774.663546][ T74] fib6_nh_init+0x3d8/0x1580 [ 4774.663546][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4774.663546][ T74] ip6_route_add+0x1c/0x140 [ 4774.663546][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4774.663546][ T74] addrconf_add_dev+0xe2/0x170 [ 4774.663546][ T74] inet6_addr_add+0x12f/0xa40 [ 4774.663546][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4774.663546][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4774.663546][ T74] netlink_rcv_skb+0x130/0x360 [ 4774.663546][ T74] netlink_unicast+0x449/0x710 [ 4774.663546][ T74] netlink_sendmsg+0x723/0xbe0 [ 4774.663546][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4774.663546][ T74] ___sys_sendmsg+0xee/0x170 [ 4774.663546][ T74] __sys_sendmsg+0xcd/0x170 [ 4774.663546][ T74] do_syscall_64+0xc6/0x1e0 [ 4774.663546][ T74] [ 4774.665542][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4774.665542][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4774.665542][ T74] ipv6_find_idev+0x102/0x170 [ 4774.665542][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4774.665542][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4774.665542][ T74] netlink_rcv_skb+0x130/0x360 [ 4774.665542][ T74] netlink_unicast+0x449/0x710 [ 4774.665542][ T74] netlink_sendmsg+0x723/0xbe0 [ 4774.665542][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4774.665542][ T74] ___sys_sendmsg+0xee/0x170 [ 4774.665542][ T74] __sys_sendmsg+0xcd/0x170 [ 4774.665542][ T74] do_syscall_64+0xc6/0x1e0 [ 4774.665542][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4774.665542][ T74] [ 4774.667302][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4774.667302][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4774.667302][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4774.667302][ T74] ipv6_find_idev+0x102/0x170 [ 4774.667302][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4774.667302][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4774.667302][ T74] netlink_rcv_skb+0x130/0x360 [ 4774.667302][ T74] netlink_unicast+0x449/0x710 [ 4774.667302][ T74] netlink_sendmsg+0x723/0xbe0 [ 4774.667302][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4774.667302][ T74] ___sys_sendmsg+0xee/0x170 [ 4774.667302][ T74] __sys_sendmsg+0xcd/0x170 [ 4774.667302][ T74] do_syscall_64+0xc6/0x1e0 [ 4774.667302][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4774.667302][ T74] [ 4774.669297][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4774.669539][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4774.669539][ T74] netdev_get_by_index+0x5e/0x80 [ 4774.669539][ T74] fib6_nh_init+0x3d8/0x1580 [ 4774.669539][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4774.669539][ T74] ip6_route_add+0x1c/0x140 [ 4774.669539][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4774.669539][ T74] inet6_addr_add+0x4f8/0xa40 [ 4774.669539][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4774.669539][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4774.669539][ T74] netlink_rcv_skb+0x130/0x360 [ 4774.669539][ T74] netlink_unicast+0x449/0x710 [ 4774.669539][ T74] netlink_sendmsg+0x723/0xbe0 [ 4774.669539][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4774.669539][ T74] ___sys_sendmsg+0xee/0x170 [ 4774.669539][ T74] __sys_sendmsg+0xcd/0x170 [ 4774.669539][ T74] do_syscall_64+0xc6/0x1e0 [ 4774.669539][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4774.669539][ T74] [ 4774.671845][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4774.671845][ T74] netdev_get_by_index+0x5e/0x80 [ 4774.671845][ T74] fib6_nh_init+0x3d8/0x1580 [ 4774.671845][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4774.671845][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4774.671845][ T74] ipv6_add_addr+0x411/0x2000 [ 4774.671845][ T74] inet6_addr_add+0x30e/0xa40 [ 4774.671845][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4774.671845][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4774.671845][ T74] netlink_rcv_skb+0x130/0x360 [ 4774.671845][ T74] netlink_unicast+0x449/0x710 [ 4774.671845][ T74] netlink_sendmsg+0x723/0xbe0 [ 4774.671845][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4774.671845][ T74] ___sys_sendmsg+0xee/0x170 [ 4774.671845][ T74] __sys_sendmsg+0xcd/0x170 [ 4774.671845][ T74] do_syscall_64+0xc6/0x1e0 [ 4774.671845][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4774.671845][ T74] [ 4774.674106][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4774.674106][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4774.674106][ T74] ipv6_find_idev+0x102/0x170 [ 4774.674106][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4774.674106][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4774.674106][ T74] netlink_rcv_skb+0x130/0x360 [ 4774.674106][ T74] netlink_unicast+0x449/0x710 [ 4774.674106][ T74] netlink_sendmsg+0x723/0xbe0 [ 4774.674106][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4774.674106][ T74] ___sys_sendmsg+0xee/0x170 [ 4774.674106][ T74] __sys_sendmsg+0xcd/0x170 [ 4774.674106][ T74] do_syscall_64+0xc6/0x1e0 [ 4774.674106][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4774.674106][ T74] [ 4774.675862][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4774.675862][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4774.675862][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4774.675862][ T74] ipv6_find_idev+0x102/0x170 [ 4774.675862][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4774.675862][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4774.675862][ T74] netlink_rcv_skb+0x130/0x360 [ 4774.675862][ T74] netlink_unicast+0x449/0x710 [ 4774.675862][ T74] netlink_sendmsg+0x723/0xbe0 [ 4774.675862][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4774.675862][ T74] ___sys_sendmsg+0xee/0x170 [ 4774.675862][ T74] __sys_sendmsg+0xcd/0x170 [ 4774.675862][ T74] do_syscall_64+0xc6/0x1e0 [ 4774.675862][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4774.675862][ T74] [ 4784.735961][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4784.736371][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4784.736371][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4784.736371][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4784.736371][ T74] fib6_nh_init+0xa22/0x1580 [ 4784.736371][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4784.736371][ T74] ip6_route_add+0x1c/0x140 [ 4784.736371][ T74] inet6_rtm_newroute+0x104/0x110 [ 4784.736371][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4784.736371][ T74] netlink_rcv_skb+0x130/0x360 [ 4784.736371][ T74] netlink_unicast+0x449/0x710 [ 4784.736371][ T74] netlink_sendmsg+0x723/0xbe0 [ 4784.736371][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4784.736371][ T74] ___sys_sendmsg+0xee/0x170 [ 4784.736371][ T74] __sys_sendmsg+0xcd/0x170 [ 4784.736371][ T74] do_syscall_64+0xc6/0x1e0 [ 4784.736371][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4784.736371][ T74] [ 4784.738272][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4784.738272][ T74] netdev_get_by_index+0x5e/0x80 [ 4784.738272][ T74] fib6_nh_init+0x3d8/0x1580 [ 4784.738272][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4784.738272][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4784.738272][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4784.738272][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4784.738272][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4784.738272][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4784.738272][ T74] addrconf_dad_begin+0x310/0x670 [ 4784.738272][ T74] addrconf_dad_work+0x10b/0xab0 [ 4784.738272][ T74] process_one_work+0x84d/0x18a0 [ 4784.738272][ T74] worker_thread+0x587/0xd30 [ 4784.738272][ T74] kthread+0x28a/0x350 [ 4784.738272][ T74] ret_from_fork+0x31/0x70 [ 4784.738272][ T74] ret_from_fork_asm+0x1a/0x30 [ 4784.738272][ T74] [ 4784.740186][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4784.740186][ T74] netdev_get_by_index+0x5e/0x80 [ 4784.740186][ T74] fib6_nh_init+0x3d8/0x1580 [ 4784.740186][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4784.740186][ T74] ip6_route_add+0x1c/0x140 [ 4784.740186][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4784.740186][ T74] inet6_addr_add+0x4f8/0xa40 [ 4784.740186][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4784.740186][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4784.740186][ T74] netlink_rcv_skb+0x130/0x360 [ 4784.740186][ T74] netlink_unicast+0x449/0x710 [ 4784.740186][ T74] netlink_sendmsg+0x723/0xbe0 [ 4784.740186][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4784.740186][ T74] ___sys_sendmsg+0xee/0x170 [ 4784.740186][ T74] __sys_sendmsg+0xcd/0x170 [ 4784.740186][ T74] do_syscall_64+0xc6/0x1e0 [ 4784.740186][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4784.740186][ T74] [ 4784.742188][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4784.742188][ T74] netdev_get_by_index+0x5e/0x80 [ 4784.742188][ T74] fib6_nh_init+0x3d8/0x1580 [ 4784.742188][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4784.742188][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4784.742188][ T74] ipv6_add_addr+0x411/0x2000 [ 4784.742188][ T74] inet6_addr_add+0x30e/0xa40 [ 4784.742188][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4784.742188][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4784.742188][ T74] netlink_rcv_skb+0x130/0x360 [ 4784.742188][ T74] netlink_unicast+0x449/0x710 [ 4784.742188][ T74] netlink_sendmsg+0x723/0xbe0 [ 4784.742188][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4784.742188][ T74] ___sys_sendmsg+0xee/0x170 [ 4784.742188][ T74] __sys_sendmsg+0xcd/0x170 [ 4784.742188][ T74] do_syscall_64+0xc6/0x1e0 [ 4784.742188][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4784.742188][ T74] [ 4784.744194][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4784.744194][ T74] netdev_get_by_index+0x5e/0x80 [ 4784.744194][ T74] fib6_nh_init+0x3d8/0x1580 [ 4784.744194][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4784.744194][ T74] ip6_route_add+0x1c/0x140 [ 4784.744194][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4784.744194][ T74] addrconf_add_dev+0xe2/0x170 [ 4784.744194][ T74] inet6_addr_add+0x12f/0xa40 [ 4784.744194][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4784.744194][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4784.744194][ T74] netlink_rcv_skb+0x130/0x360 [ 4784.744194][ T74] netlink_unicast+0x449/0x710 [ 4784.744194][ T74] netlink_sendmsg+0x723/0xbe0 [ 4784.744194][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4784.744194][ T74] ___sys_sendmsg+0xee/0x170 [ 4784.744194][ T74] __sys_sendmsg+0xcd/0x170 [ 4784.744194][ T74] do_syscall_64+0xc6/0x1e0 [ 4784.744194][ T74] [ 4784.746158][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4784.746158][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4784.746158][ T74] ipv6_find_idev+0x102/0x170 [ 4784.746158][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4784.746158][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4784.746158][ T74] netlink_rcv_skb+0x130/0x360 [ 4784.746158][ T74] netlink_unicast+0x449/0x710 [ 4784.746158][ T74] netlink_sendmsg+0x723/0xbe0 [ 4784.746158][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4784.746158][ T74] ___sys_sendmsg+0xee/0x170 [ 4784.746158][ T74] __sys_sendmsg+0xcd/0x170 [ 4784.746158][ T74] do_syscall_64+0xc6/0x1e0 [ 4784.746158][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4784.746158][ T74] [ 4784.747698][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4784.747698][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4784.747698][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4784.747698][ T74] ipv6_find_idev+0x102/0x170 [ 4784.747698][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4784.747698][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4784.747698][ T74] netlink_rcv_skb+0x130/0x360 [ 4784.747698][ T74] netlink_unicast+0x449/0x710 [ 4784.747698][ T74] netlink_sendmsg+0x723/0xbe0 [ 4784.747698][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4784.747698][ T74] ___sys_sendmsg+0xee/0x170 [ 4784.747698][ T74] __sys_sendmsg+0xcd/0x170 [ 4784.747698][ T74] do_syscall_64+0xc6/0x1e0 [ 4784.747698][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4784.747698][ T74] [ 4784.749386][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4784.749657][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4784.749657][ T74] dst_init+0x84/0x4a0 [ 4784.749657][ T74] dst_alloc+0x97/0x150 [ 4784.749657][ T74] ip6_dst_alloc+0x23/0x90 [ 4784.749657][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4784.749657][ T74] ip6_pol_route+0x56f/0x840 [ 4784.749657][ T74] fib6_rule_lookup+0x456/0x630 [ 4784.749657][ T74] ip6_route_input+0x59c/0xa50 [ 4784.749657][ T74] ipv6_rcv+0x397/0x810 [ 4784.749657][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4784.749657][ T74] process_backlog+0x101/0x620 [ 4784.749657][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4784.749657][ T74] net_rx_action+0x495/0xbe0 [ 4784.749657][ T74] __do_softirq+0x1b5/0x7f6 [ 4784.749657][ T74] [ 4784.751294][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4784.751294][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4784.751294][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4784.751294][ T74] fib6_nh_init+0xa22/0x1580 [ 4784.751294][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4784.751294][ T74] ip6_route_add+0x1c/0x140 [ 4784.751294][ T74] inet6_rtm_newroute+0x104/0x110 [ 4784.751294][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4784.751294][ T74] netlink_rcv_skb+0x130/0x360 [ 4784.751294][ T74] netlink_unicast+0x449/0x710 [ 4784.751294][ T74] netlink_sendmsg+0x723/0xbe0 [ 4784.751294][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4784.751294][ T74] ___sys_sendmsg+0xee/0x170 [ 4784.751294][ T74] __sys_sendmsg+0xcd/0x170 [ 4784.751294][ T74] do_syscall_64+0xc6/0x1e0 [ 4784.751294][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4784.751294][ T74] [ 4784.753195][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4784.753195][ T74] netdev_get_by_index+0x5e/0x80 [ 4784.753195][ T74] fib6_nh_init+0x3d8/0x1580 [ 4784.753195][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4784.753195][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4784.753195][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4784.753195][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4784.753195][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4784.753195][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4784.753195][ T74] addrconf_dad_begin+0x310/0x670 [ 4784.753195][ T74] addrconf_dad_work+0x10b/0xab0 [ 4784.753195][ T74] process_one_work+0x84d/0x18a0 [ 4784.753195][ T74] worker_thread+0x587/0xd30 [ 4784.753195][ T74] kthread+0x28a/0x350 [ 4784.753195][ T74] ret_from_fork+0x31/0x70 [ 4784.753195][ T74] ret_from_fork_asm+0x1a/0x30 [ 4784.753195][ T74] [ 4784.755110][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4784.755110][ T74] netdev_get_by_index+0x5e/0x80 [ 4784.755110][ T74] fib6_nh_init+0x3d8/0x1580 [ 4784.755110][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4784.755110][ T74] ip6_route_add+0x1c/0x140 [ 4784.755110][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4784.755110][ T74] inet6_addr_add+0x4f8/0xa40 [ 4784.755110][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4784.755110][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4784.755110][ T74] netlink_rcv_skb+0x130/0x360 [ 4784.755110][ T74] netlink_unicast+0x449/0x710 [ 4784.755110][ T74] netlink_sendmsg+0x723/0xbe0 [ 4784.755110][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4784.755110][ T74] ___sys_sendmsg+0xee/0x170 [ 4784.755110][ T74] __sys_sendmsg+0xcd/0x170 [ 4784.755110][ T74] do_syscall_64+0xc6/0x1e0 [ 4784.755110][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4784.755110][ T74] [ 4784.757100][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4784.757100][ T74] netdev_get_by_index+0x5e/0x80 [ 4784.757100][ T74] fib6_nh_init+0x3d8/0x1580 [ 4784.757100][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4784.757100][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4784.757100][ T74] ipv6_add_addr+0x411/0x2000 [ 4784.757100][ T74] inet6_addr_add+0x30e/0xa40 [ 4784.757100][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4784.757100][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4784.757100][ T74] netlink_rcv_skb+0x130/0x360 [ 4784.757100][ T74] netlink_unicast+0x449/0x710 [ 4784.757100][ T74] netlink_sendmsg+0x723/0xbe0 [ 4784.757100][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4784.757100][ T74] ___sys_sendmsg+0xee/0x170 [ 4784.757100][ T74] __sys_sendmsg+0xcd/0x170 [ 4784.757100][ T74] do_syscall_64+0xc6/0x1e0 [ 4784.757100][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4784.757100][ T74] [ 4784.759105][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4784.759105][ T74] netdev_get_by_index+0x5e/0x80 [ 4784.759105][ T74] fib6_nh_init+0x3d8/0x1580 [ 4784.759105][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4784.759105][ T74] ip6_route_add+0x1c/0x140 [ 4784.759105][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4784.759105][ T74] addrconf_add_dev+0xe2/0x170 [ 4784.759105][ T74] inet6_addr_add+0x12f/0xa40 [ 4784.759105][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4784.759105][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4784.759105][ T74] netlink_rcv_skb+0x130/0x360 [ 4784.759105][ T74] netlink_unicast+0x449/0x710 [ 4784.759105][ T74] netlink_sendmsg+0x723/0xbe0 [ 4784.759105][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4784.759105][ T74] ___sys_sendmsg+0xee/0x170 [ 4784.759105][ T74] __sys_sendmsg+0xcd/0x170 [ 4784.759105][ T74] do_syscall_64+0xc6/0x1e0 [ 4784.759105][ T74] [ 4784.761065][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4784.761065][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4784.761065][ T74] ipv6_find_idev+0x102/0x170 [ 4784.761065][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4784.761065][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4784.761065][ T74] netlink_rcv_skb+0x130/0x360 [ 4784.761065][ T74] netlink_unicast+0x449/0x710 [ 4784.761065][ T74] netlink_sendmsg+0x723/0xbe0 [ 4784.761065][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4784.761065][ T74] ___sys_sendmsg+0xee/0x170 [ 4784.761065][ T74] __sys_sendmsg+0xcd/0x170 [ 4784.761065][ T74] do_syscall_64+0xc6/0x1e0 [ 4784.761065][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4784.761065][ T74] [ 4784.762788][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4784.762788][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4784.762788][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4784.762788][ T74] ipv6_find_idev+0x102/0x170 [ 4784.762788][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4784.762788][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4784.762788][ T74] netlink_rcv_skb+0x130/0x360 [ 4784.762788][ T74] netlink_unicast+0x449/0x710 [ 4784.762788][ T74] netlink_sendmsg+0x723/0xbe0 [ 4784.762788][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4784.762788][ T74] ___sys_sendmsg+0xee/0x170 [ 4784.762788][ T74] __sys_sendmsg+0xcd/0x170 [ 4784.762788][ T74] do_syscall_64+0xc6/0x1e0 [ 4784.762788][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4784.762788][ T74] [ 4784.764717][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4784.765035][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4784.765035][ T74] netdev_get_by_index+0x5e/0x80 [ 4784.765035][ T74] fib6_nh_init+0x3d8/0x1580 [ 4784.765035][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4784.765035][ T74] ip6_route_add+0x1c/0x140 [ 4784.765035][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4784.765035][ T74] inet6_addr_add+0x4f8/0xa40 [ 4784.765035][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4784.765035][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4784.765035][ T74] netlink_rcv_skb+0x130/0x360 [ 4784.765035][ T74] netlink_unicast+0x449/0x710 [ 4784.765035][ T74] netlink_sendmsg+0x723/0xbe0 [ 4784.765035][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4784.765035][ T74] ___sys_sendmsg+0xee/0x170 [ 4784.765035][ T74] __sys_sendmsg+0xcd/0x170 [ 4784.765035][ T74] do_syscall_64+0xc6/0x1e0 [ 4784.765035][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4784.765035][ T74] [ 4784.767311][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4784.767311][ T74] netdev_get_by_index+0x5e/0x80 [ 4784.767311][ T74] fib6_nh_init+0x3d8/0x1580 [ 4784.767311][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4784.767311][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4784.767311][ T74] ipv6_add_addr+0x411/0x2000 [ 4784.767311][ T74] inet6_addr_add+0x30e/0xa40 [ 4784.767311][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4784.767311][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4784.767311][ T74] netlink_rcv_skb+0x130/0x360 [ 4784.767311][ T74] netlink_unicast+0x449/0x710 [ 4784.767311][ T74] netlink_sendmsg+0x723/0xbe0 [ 4784.767311][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4784.767311][ T74] ___sys_sendmsg+0xee/0x170 [ 4784.767311][ T74] __sys_sendmsg+0xcd/0x170 [ 4784.767311][ T74] do_syscall_64+0xc6/0x1e0 [ 4784.767311][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4784.767311][ T74] [ 4784.769579][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4784.769579][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4784.769579][ T74] ipv6_find_idev+0x102/0x170 [ 4784.769579][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4784.769579][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4784.769579][ T74] netlink_rcv_skb+0x130/0x360 [ 4784.769579][ T74] netlink_unicast+0x449/0x710 [ 4784.769579][ T74] netlink_sendmsg+0x723/0xbe0 [ 4784.769579][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4784.769579][ T74] ___sys_sendmsg+0xee/0x170 [ 4784.769579][ T74] __sys_sendmsg+0xcd/0x170 [ 4784.769579][ T74] do_syscall_64+0xc6/0x1e0 [ 4784.769579][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4784.769579][ T74] [ 4784.771295][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4784.771295][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4784.771295][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4784.771295][ T74] ipv6_find_idev+0x102/0x170 [ 4784.771295][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4784.771295][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4784.771295][ T74] netlink_rcv_skb+0x130/0x360 [ 4784.771295][ T74] netlink_unicast+0x449/0x710 [ 4784.771295][ T74] netlink_sendmsg+0x723/0xbe0 [ 4784.771295][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4784.771295][ T74] ___sys_sendmsg+0xee/0x170 [ 4784.771295][ T74] __sys_sendmsg+0xcd/0x170 [ 4784.771295][ T74] do_syscall_64+0xc6/0x1e0 [ 4784.771295][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4784.771295][ T74] [ 4795.015976][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4795.016344][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4795.016344][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4795.016344][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4795.016344][ T74] fib6_nh_init+0xa22/0x1580 [ 4795.016344][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4795.016344][ T74] ip6_route_add+0x1c/0x140 [ 4795.016344][ T74] inet6_rtm_newroute+0x104/0x110 [ 4795.016344][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4795.016344][ T74] netlink_rcv_skb+0x130/0x360 [ 4795.016344][ T74] netlink_unicast+0x449/0x710 [ 4795.016344][ T74] netlink_sendmsg+0x723/0xbe0 [ 4795.016344][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4795.016344][ T74] ___sys_sendmsg+0xee/0x170 [ 4795.016344][ T74] __sys_sendmsg+0xcd/0x170 [ 4795.016344][ T74] do_syscall_64+0xc6/0x1e0 [ 4795.016344][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4795.016344][ T74] [ 4795.018242][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4795.018242][ T74] netdev_get_by_index+0x5e/0x80 [ 4795.018242][ T74] fib6_nh_init+0x3d8/0x1580 [ 4795.018242][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4795.018242][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4795.018242][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4795.018242][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4795.018242][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4795.018242][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4795.018242][ T74] addrconf_dad_begin+0x310/0x670 [ 4795.018242][ T74] addrconf_dad_work+0x10b/0xab0 [ 4795.018242][ T74] process_one_work+0x84d/0x18a0 [ 4795.018242][ T74] worker_thread+0x587/0xd30 [ 4795.018242][ T74] kthread+0x28a/0x350 [ 4795.018242][ T74] ret_from_fork+0x31/0x70 [ 4795.018242][ T74] ret_from_fork_asm+0x1a/0x30 [ 4795.018242][ T74] [ 4795.020151][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4795.020151][ T74] netdev_get_by_index+0x5e/0x80 [ 4795.020151][ T74] fib6_nh_init+0x3d8/0x1580 [ 4795.020151][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4795.020151][ T74] ip6_route_add+0x1c/0x140 [ 4795.020151][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4795.020151][ T74] inet6_addr_add+0x4f8/0xa40 [ 4795.020151][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4795.020151][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4795.020151][ T74] netlink_rcv_skb+0x130/0x360 [ 4795.020151][ T74] netlink_unicast+0x449/0x710 [ 4795.020151][ T74] netlink_sendmsg+0x723/0xbe0 [ 4795.020151][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4795.020151][ T74] ___sys_sendmsg+0xee/0x170 [ 4795.020151][ T74] __sys_sendmsg+0xcd/0x170 [ 4795.020151][ T74] do_syscall_64+0xc6/0x1e0 [ 4795.020151][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4795.020151][ T74] [ 4795.022164][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4795.022164][ T74] netdev_get_by_index+0x5e/0x80 [ 4795.022164][ T74] fib6_nh_init+0x3d8/0x1580 [ 4795.022164][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4795.022164][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4795.022164][ T74] ipv6_add_addr+0x411/0x2000 [ 4795.022164][ T74] inet6_addr_add+0x30e/0xa40 [ 4795.022164][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4795.022164][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4795.022164][ T74] netlink_rcv_skb+0x130/0x360 [ 4795.022164][ T74] netlink_unicast+0x449/0x710 [ 4795.022164][ T74] netlink_sendmsg+0x723/0xbe0 [ 4795.022164][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4795.022164][ T74] ___sys_sendmsg+0xee/0x170 [ 4795.022164][ T74] __sys_sendmsg+0xcd/0x170 [ 4795.022164][ T74] do_syscall_64+0xc6/0x1e0 [ 4795.022164][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4795.022164][ T74] [ 4795.024156][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4795.024156][ T74] netdev_get_by_index+0x5e/0x80 [ 4795.024156][ T74] fib6_nh_init+0x3d8/0x1580 [ 4795.024156][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4795.024156][ T74] ip6_route_add+0x1c/0x140 [ 4795.024156][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4795.024156][ T74] addrconf_add_dev+0xe2/0x170 [ 4795.024156][ T74] inet6_addr_add+0x12f/0xa40 [ 4795.024156][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4795.024156][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4795.024156][ T74] netlink_rcv_skb+0x130/0x360 [ 4795.024156][ T74] netlink_unicast+0x449/0x710 [ 4795.024156][ T74] netlink_sendmsg+0x723/0xbe0 [ 4795.024156][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4795.024156][ T74] ___sys_sendmsg+0xee/0x170 [ 4795.024156][ T74] __sys_sendmsg+0xcd/0x170 [ 4795.024156][ T74] do_syscall_64+0xc6/0x1e0 [ 4795.024156][ T74] [ 4795.026114][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4795.026114][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4795.026114][ T74] ipv6_find_idev+0x102/0x170 [ 4795.026114][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4795.026114][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4795.026114][ T74] netlink_rcv_skb+0x130/0x360 [ 4795.026114][ T74] netlink_unicast+0x449/0x710 [ 4795.026114][ T74] netlink_sendmsg+0x723/0xbe0 [ 4795.026114][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4795.026114][ T74] ___sys_sendmsg+0xee/0x170 [ 4795.026114][ T74] __sys_sendmsg+0xcd/0x170 [ 4795.026114][ T74] do_syscall_64+0xc6/0x1e0 [ 4795.026114][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4795.026114][ T74] [ 4795.027648][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4795.027648][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4795.027648][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4795.027648][ T74] ipv6_find_idev+0x102/0x170 [ 4795.027648][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4795.027648][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4795.027648][ T74] netlink_rcv_skb+0x130/0x360 [ 4795.027648][ T74] netlink_unicast+0x449/0x710 [ 4795.027648][ T74] netlink_sendmsg+0x723/0xbe0 [ 4795.027648][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4795.027648][ T74] ___sys_sendmsg+0xee/0x170 [ 4795.027648][ T74] __sys_sendmsg+0xcd/0x170 [ 4795.027648][ T74] do_syscall_64+0xc6/0x1e0 [ 4795.027648][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4795.027648][ T74] [ 4795.029360][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4795.029669][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4795.029669][ T74] dst_init+0x84/0x4a0 [ 4795.029669][ T74] dst_alloc+0x97/0x150 [ 4795.029669][ T74] ip6_dst_alloc+0x23/0x90 [ 4795.029669][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4795.029669][ T74] ip6_pol_route+0x56f/0x840 [ 4795.029669][ T74] fib6_rule_lookup+0x456/0x630 [ 4795.029669][ T74] ip6_route_input+0x59c/0xa50 [ 4795.029669][ T74] ipv6_rcv+0x397/0x810 [ 4795.029669][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4795.029669][ T74] process_backlog+0x101/0x620 [ 4795.029669][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4795.029669][ T74] net_rx_action+0x495/0xbe0 [ 4795.029669][ T74] __do_softirq+0x1b5/0x7f6 [ 4795.029669][ T74] [ 4795.031304][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4795.031304][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4795.031304][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4795.031304][ T74] fib6_nh_init+0xa22/0x1580 [ 4795.031304][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4795.031304][ T74] ip6_route_add+0x1c/0x140 [ 4795.031304][ T74] inet6_rtm_newroute+0x104/0x110 [ 4795.031304][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4795.031304][ T74] netlink_rcv_skb+0x130/0x360 [ 4795.031304][ T74] netlink_unicast+0x449/0x710 [ 4795.031304][ T74] netlink_sendmsg+0x723/0xbe0 [ 4795.031304][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4795.031304][ T74] ___sys_sendmsg+0xee/0x170 [ 4795.031304][ T74] __sys_sendmsg+0xcd/0x170 [ 4795.031304][ T74] do_syscall_64+0xc6/0x1e0 [ 4795.031304][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4795.031304][ T74] [ 4795.033187][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4795.033187][ T74] netdev_get_by_index+0x5e/0x80 [ 4795.033187][ T74] fib6_nh_init+0x3d8/0x1580 [ 4795.033187][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4795.033187][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4795.033187][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4795.033187][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4795.033187][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4795.033187][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4795.033187][ T74] addrconf_dad_begin+0x310/0x670 [ 4795.033187][ T74] addrconf_dad_work+0x10b/0xab0 [ 4795.033187][ T74] process_one_work+0x84d/0x18a0 [ 4795.033187][ T74] worker_thread+0x587/0xd30 [ 4795.033187][ T74] kthread+0x28a/0x350 [ 4795.033187][ T74] ret_from_fork+0x31/0x70 [ 4795.033187][ T74] ret_from_fork_asm+0x1a/0x30 [ 4795.033187][ T74] [ 4795.035095][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4795.035095][ T74] netdev_get_by_index+0x5e/0x80 [ 4795.035095][ T74] fib6_nh_init+0x3d8/0x1580 [ 4795.035095][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4795.035095][ T74] ip6_route_add+0x1c/0x140 [ 4795.035095][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4795.035095][ T74] inet6_addr_add+0x4f8/0xa40 [ 4795.035095][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4795.035095][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4795.035095][ T74] netlink_rcv_skb+0x130/0x360 [ 4795.035095][ T74] netlink_unicast+0x449/0x710 [ 4795.035095][ T74] netlink_sendmsg+0x723/0xbe0 [ 4795.035095][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4795.035095][ T74] ___sys_sendmsg+0xee/0x170 [ 4795.035095][ T74] __sys_sendmsg+0xcd/0x170 [ 4795.035095][ T74] do_syscall_64+0xc6/0x1e0 [ 4795.035095][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4795.035095][ T74] [ 4795.037090][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4795.037090][ T74] netdev_get_by_index+0x5e/0x80 [ 4795.037090][ T74] fib6_nh_init+0x3d8/0x1580 [ 4795.037090][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4795.037090][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4795.037090][ T74] ipv6_add_addr+0x411/0x2000 [ 4795.037090][ T74] inet6_addr_add+0x30e/0xa40 [ 4795.037090][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4795.037090][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4795.037090][ T74] netlink_rcv_skb+0x130/0x360 [ 4795.037090][ T74] netlink_unicast+0x449/0x710 [ 4795.037090][ T74] netlink_sendmsg+0x723/0xbe0 [ 4795.037090][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4795.037090][ T74] ___sys_sendmsg+0xee/0x170 [ 4795.037090][ T74] __sys_sendmsg+0xcd/0x170 [ 4795.037090][ T74] do_syscall_64+0xc6/0x1e0 [ 4795.037090][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4795.037090][ T74] [ 4795.039081][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4795.039081][ T74] netdev_get_by_index+0x5e/0x80 [ 4795.039081][ T74] fib6_nh_init+0x3d8/0x1580 [ 4795.039081][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4795.039081][ T74] ip6_route_add+0x1c/0x140 [ 4795.039081][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4795.039081][ T74] addrconf_add_dev+0xe2/0x170 [ 4795.039081][ T74] inet6_addr_add+0x12f/0xa40 [ 4795.039081][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4795.039081][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4795.039081][ T74] netlink_rcv_skb+0x130/0x360 [ 4795.039081][ T74] netlink_unicast+0x449/0x710 [ 4795.039081][ T74] netlink_sendmsg+0x723/0xbe0 [ 4795.039081][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4795.039081][ T74] ___sys_sendmsg+0xee/0x170 [ 4795.039081][ T74] __sys_sendmsg+0xcd/0x170 [ 4795.039081][ T74] do_syscall_64+0xc6/0x1e0 [ 4795.039081][ T74] [ 4795.041033][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4795.041033][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4795.041033][ T74] ipv6_find_idev+0x102/0x170 [ 4795.041033][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4795.041033][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4795.041033][ T74] netlink_rcv_skb+0x130/0x360 [ 4795.041033][ T74] netlink_unicast+0x449/0x710 [ 4795.041033][ T74] netlink_sendmsg+0x723/0xbe0 [ 4795.041033][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4795.041033][ T74] ___sys_sendmsg+0xee/0x170 [ 4795.041033][ T74] __sys_sendmsg+0xcd/0x170 [ 4795.041033][ T74] do_syscall_64+0xc6/0x1e0 [ 4795.041033][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4795.041033][ T74] [ 4795.042702][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4795.042702][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4795.042702][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4795.042702][ T74] ipv6_find_idev+0x102/0x170 [ 4795.042702][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4795.042702][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4795.042702][ T74] netlink_rcv_skb+0x130/0x360 [ 4795.042702][ T74] netlink_unicast+0x449/0x710 [ 4795.042702][ T74] netlink_sendmsg+0x723/0xbe0 [ 4795.042702][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4795.042702][ T74] ___sys_sendmsg+0xee/0x170 [ 4795.042702][ T74] __sys_sendmsg+0xcd/0x170 [ 4795.042702][ T74] do_syscall_64+0xc6/0x1e0 [ 4795.042702][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4795.042702][ T74] [ 4795.044511][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4795.044754][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4795.044754][ T74] netdev_get_by_index+0x5e/0x80 [ 4795.044754][ T74] fib6_nh_init+0x3d8/0x1580 [ 4795.044754][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4795.044754][ T74] ip6_route_add+0x1c/0x140 [ 4795.044754][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4795.044754][ T74] inet6_addr_add+0x4f8/0xa40 [ 4795.044754][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4795.044754][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4795.044754][ T74] netlink_rcv_skb+0x130/0x360 [ 4795.044754][ T74] netlink_unicast+0x449/0x710 [ 4795.044754][ T74] netlink_sendmsg+0x723/0xbe0 [ 4795.044754][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4795.044754][ T74] ___sys_sendmsg+0xee/0x170 [ 4795.044754][ T74] __sys_sendmsg+0xcd/0x170 [ 4795.044754][ T74] do_syscall_64+0xc6/0x1e0 [ 4795.044754][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4795.044754][ T74] [ 4795.046892][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4795.046892][ T74] netdev_get_by_index+0x5e/0x80 [ 4795.046892][ T74] fib6_nh_init+0x3d8/0x1580 [ 4795.046892][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4795.046892][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4795.046892][ T74] ipv6_add_addr+0x411/0x2000 [ 4795.046892][ T74] inet6_addr_add+0x30e/0xa40 [ 4795.046892][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4795.046892][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4795.046892][ T74] netlink_rcv_skb+0x130/0x360 [ 4795.046892][ T74] netlink_unicast+0x449/0x710 [ 4795.046892][ T74] netlink_sendmsg+0x723/0xbe0 [ 4795.046892][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4795.046892][ T74] ___sys_sendmsg+0xee/0x170 [ 4795.046892][ T74] __sys_sendmsg+0xcd/0x170 [ 4795.046892][ T74] do_syscall_64+0xc6/0x1e0 [ 4795.046892][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4795.046892][ T74] [ 4795.049012][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4795.049012][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4795.049012][ T74] ipv6_find_idev+0x102/0x170 [ 4795.049012][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4795.049012][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4795.049012][ T74] netlink_rcv_skb+0x130/0x360 [ 4795.049012][ T74] netlink_unicast+0x449/0x710 [ 4795.049012][ T74] netlink_sendmsg+0x723/0xbe0 [ 4795.049012][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4795.049012][ T74] ___sys_sendmsg+0xee/0x170 [ 4795.049012][ T74] __sys_sendmsg+0xcd/0x170 [ 4795.049012][ T74] do_syscall_64+0xc6/0x1e0 [ 4795.049012][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4795.049012][ T74] [ 4795.050604][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4795.050604][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4795.050604][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4795.050604][ T74] ipv6_find_idev+0x102/0x170 [ 4795.050604][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4795.050604][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4795.050604][ T74] netlink_rcv_skb+0x130/0x360 [ 4795.050604][ T74] netlink_unicast+0x449/0x710 [ 4795.050604][ T74] netlink_sendmsg+0x723/0xbe0 [ 4795.050604][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4795.050604][ T74] ___sys_sendmsg+0xee/0x170 [ 4795.050604][ T74] __sys_sendmsg+0xcd/0x170 [ 4795.050604][ T74] do_syscall_64+0xc6/0x1e0 [ 4795.050604][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4795.050604][ T74] [ 4805.287988][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4805.288463][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4805.288463][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4805.288463][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4805.288463][ T74] fib6_nh_init+0xa22/0x1580 [ 4805.288463][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4805.288463][ T74] ip6_route_add+0x1c/0x140 [ 4805.288463][ T74] inet6_rtm_newroute+0x104/0x110 [ 4805.288463][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4805.288463][ T74] netlink_rcv_skb+0x130/0x360 [ 4805.288463][ T74] netlink_unicast+0x449/0x710 [ 4805.288463][ T74] netlink_sendmsg+0x723/0xbe0 [ 4805.288463][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4805.288463][ T74] ___sys_sendmsg+0xee/0x170 [ 4805.288463][ T74] __sys_sendmsg+0xcd/0x170 [ 4805.288463][ T74] do_syscall_64+0xc6/0x1e0 [ 4805.288463][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4805.288463][ T74] [ 4805.290358][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4805.290358][ T74] netdev_get_by_index+0x5e/0x80 [ 4805.290358][ T74] fib6_nh_init+0x3d8/0x1580 [ 4805.290358][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4805.290358][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4805.290358][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4805.290358][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4805.290358][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4805.290358][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4805.290358][ T74] addrconf_dad_begin+0x310/0x670 [ 4805.290358][ T74] addrconf_dad_work+0x10b/0xab0 [ 4805.290358][ T74] process_one_work+0x84d/0x18a0 [ 4805.290358][ T74] worker_thread+0x587/0xd30 [ 4805.290358][ T74] kthread+0x28a/0x350 [ 4805.290358][ T74] ret_from_fork+0x31/0x70 [ 4805.290358][ T74] ret_from_fork_asm+0x1a/0x30 [ 4805.290358][ T74] [ 4805.292276][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4805.292276][ T74] netdev_get_by_index+0x5e/0x80 [ 4805.292276][ T74] fib6_nh_init+0x3d8/0x1580 [ 4805.292276][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4805.292276][ T74] ip6_route_add+0x1c/0x140 [ 4805.292276][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4805.292276][ T74] inet6_addr_add+0x4f8/0xa40 [ 4805.292276][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4805.292276][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4805.292276][ T74] netlink_rcv_skb+0x130/0x360 [ 4805.292276][ T74] netlink_unicast+0x449/0x710 [ 4805.292276][ T74] netlink_sendmsg+0x723/0xbe0 [ 4805.292276][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4805.292276][ T74] ___sys_sendmsg+0xee/0x170 [ 4805.292276][ T74] __sys_sendmsg+0xcd/0x170 [ 4805.292276][ T74] do_syscall_64+0xc6/0x1e0 [ 4805.292276][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4805.292276][ T74] [ 4805.294272][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4805.294272][ T74] netdev_get_by_index+0x5e/0x80 [ 4805.294272][ T74] fib6_nh_init+0x3d8/0x1580 [ 4805.294272][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4805.294272][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4805.294272][ T74] ipv6_add_addr+0x411/0x2000 [ 4805.294272][ T74] inet6_addr_add+0x30e/0xa40 [ 4805.294272][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4805.294272][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4805.294272][ T74] netlink_rcv_skb+0x130/0x360 [ 4805.294272][ T74] netlink_unicast+0x449/0x710 [ 4805.294272][ T74] netlink_sendmsg+0x723/0xbe0 [ 4805.294272][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4805.294272][ T74] ___sys_sendmsg+0xee/0x170 [ 4805.294272][ T74] __sys_sendmsg+0xcd/0x170 [ 4805.294272][ T74] do_syscall_64+0xc6/0x1e0 [ 4805.294272][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4805.294272][ T74] [ 4805.296287][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4805.296287][ T74] netdev_get_by_index+0x5e/0x80 [ 4805.296287][ T74] fib6_nh_init+0x3d8/0x1580 [ 4805.296287][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4805.296287][ T74] ip6_route_add+0x1c/0x140 [ 4805.296287][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4805.296287][ T74] addrconf_add_dev+0xe2/0x170 [ 4805.296287][ T74] inet6_addr_add+0x12f/0xa40 [ 4805.296287][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4805.296287][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4805.296287][ T74] netlink_rcv_skb+0x130/0x360 [ 4805.296287][ T74] netlink_unicast+0x449/0x710 [ 4805.296287][ T74] netlink_sendmsg+0x723/0xbe0 [ 4805.296287][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4805.296287][ T74] ___sys_sendmsg+0xee/0x170 [ 4805.296287][ T74] __sys_sendmsg+0xcd/0x170 [ 4805.296287][ T74] do_syscall_64+0xc6/0x1e0 [ 4805.296287][ T74] [ 4805.298246][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4805.298246][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4805.298246][ T74] ipv6_find_idev+0x102/0x170 [ 4805.298246][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4805.298246][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4805.298246][ T74] netlink_rcv_skb+0x130/0x360 [ 4805.298246][ T74] netlink_unicast+0x449/0x710 [ 4805.298246][ T74] netlink_sendmsg+0x723/0xbe0 [ 4805.298246][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4805.298246][ T74] ___sys_sendmsg+0xee/0x170 [ 4805.298246][ T74] __sys_sendmsg+0xcd/0x170 [ 4805.298246][ T74] do_syscall_64+0xc6/0x1e0 [ 4805.298246][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4805.298246][ T74] [ 4805.299791][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4805.299791][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4805.299791][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4805.299791][ T74] ipv6_find_idev+0x102/0x170 [ 4805.299791][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4805.299791][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4805.299791][ T74] netlink_rcv_skb+0x130/0x360 [ 4805.299791][ T74] netlink_unicast+0x449/0x710 [ 4805.299791][ T74] netlink_sendmsg+0x723/0xbe0 [ 4805.299791][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4805.299791][ T74] ___sys_sendmsg+0xee/0x170 [ 4805.299791][ T74] __sys_sendmsg+0xcd/0x170 [ 4805.299791][ T74] do_syscall_64+0xc6/0x1e0 [ 4805.299791][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4805.299791][ T74] [ 4805.301489][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4805.301764][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4805.301764][ T74] dst_init+0x84/0x4a0 [ 4805.301764][ T74] dst_alloc+0x97/0x150 [ 4805.301764][ T74] ip6_dst_alloc+0x23/0x90 [ 4805.301764][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4805.301764][ T74] ip6_pol_route+0x56f/0x840 [ 4805.301764][ T74] fib6_rule_lookup+0x456/0x630 [ 4805.301764][ T74] ip6_route_input+0x59c/0xa50 [ 4805.301764][ T74] ipv6_rcv+0x397/0x810 [ 4805.301764][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4805.301764][ T74] process_backlog+0x101/0x620 [ 4805.301764][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4805.301764][ T74] net_rx_action+0x495/0xbe0 [ 4805.301764][ T74] __do_softirq+0x1b5/0x7f6 [ 4805.301764][ T74] [ 4805.303385][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4805.303385][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4805.303385][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4805.303385][ T74] fib6_nh_init+0xa22/0x1580 [ 4805.303385][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4805.303385][ T74] ip6_route_add+0x1c/0x140 [ 4805.303385][ T74] inet6_rtm_newroute+0x104/0x110 [ 4805.303385][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4805.303385][ T74] netlink_rcv_skb+0x130/0x360 [ 4805.303385][ T74] netlink_unicast+0x449/0x710 [ 4805.303385][ T74] netlink_sendmsg+0x723/0xbe0 [ 4805.303385][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4805.303385][ T74] ___sys_sendmsg+0xee/0x170 [ 4805.303385][ T74] __sys_sendmsg+0xcd/0x170 [ 4805.303385][ T74] do_syscall_64+0xc6/0x1e0 [ 4805.303385][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4805.303385][ T74] [ 4805.305244][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4805.305244][ T74] netdev_get_by_index+0x5e/0x80 [ 4805.305244][ T74] fib6_nh_init+0x3d8/0x1580 [ 4805.305244][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4805.305244][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4805.305244][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4805.305244][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4805.305244][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4805.305244][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4805.305244][ T74] addrconf_dad_begin+0x310/0x670 [ 4805.305244][ T74] addrconf_dad_work+0x10b/0xab0 [ 4805.305244][ T74] process_one_work+0x84d/0x18a0 [ 4805.305244][ T74] worker_thread+0x587/0xd30 [ 4805.305244][ T74] kthread+0x28a/0x350 [ 4805.305244][ T74] ret_from_fork+0x31/0x70 [ 4805.305244][ T74] ret_from_fork_asm+0x1a/0x30 [ 4805.305244][ T74] [ 4805.307140][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4805.307140][ T74] netdev_get_by_index+0x5e/0x80 [ 4805.307140][ T74] fib6_nh_init+0x3d8/0x1580 [ 4805.307140][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4805.307140][ T74] ip6_route_add+0x1c/0x140 [ 4805.307140][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4805.307140][ T74] inet6_addr_add+0x4f8/0xa40 [ 4805.307140][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4805.307140][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4805.307140][ T74] netlink_rcv_skb+0x130/0x360 [ 4805.307140][ T74] netlink_unicast+0x449/0x710 [ 4805.307140][ T74] netlink_sendmsg+0x723/0xbe0 [ 4805.307140][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4805.307140][ T74] ___sys_sendmsg+0xee/0x170 [ 4805.307140][ T74] __sys_sendmsg+0xcd/0x170 [ 4805.307140][ T74] do_syscall_64+0xc6/0x1e0 [ 4805.307140][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4805.307140][ T74] [ 4805.309118][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4805.309118][ T74] netdev_get_by_index+0x5e/0x80 [ 4805.309118][ T74] fib6_nh_init+0x3d8/0x1580 [ 4805.309118][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4805.309118][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4805.309118][ T74] ipv6_add_addr+0x411/0x2000 [ 4805.309118][ T74] inet6_addr_add+0x30e/0xa40 [ 4805.309118][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4805.309118][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4805.309118][ T74] netlink_rcv_skb+0x130/0x360 [ 4805.309118][ T74] netlink_unicast+0x449/0x710 [ 4805.309118][ T74] netlink_sendmsg+0x723/0xbe0 [ 4805.309118][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4805.309118][ T74] ___sys_sendmsg+0xee/0x170 [ 4805.309118][ T74] __sys_sendmsg+0xcd/0x170 [ 4805.309118][ T74] do_syscall_64+0xc6/0x1e0 [ 4805.309118][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4805.309118][ T74] [ 4805.311101][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4805.311101][ T74] netdev_get_by_index+0x5e/0x80 [ 4805.311101][ T74] fib6_nh_init+0x3d8/0x1580 [ 4805.311101][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4805.311101][ T74] ip6_route_add+0x1c/0x140 [ 4805.311101][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4805.311101][ T74] addrconf_add_dev+0xe2/0x170 [ 4805.311101][ T74] inet6_addr_add+0x12f/0xa40 [ 4805.311101][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4805.311101][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4805.311101][ T74] netlink_rcv_skb+0x130/0x360 [ 4805.311101][ T74] netlink_unicast+0x449/0x710 [ 4805.311101][ T74] netlink_sendmsg+0x723/0xbe0 [ 4805.311101][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4805.311101][ T74] ___sys_sendmsg+0xee/0x170 [ 4805.311101][ T74] __sys_sendmsg+0xcd/0x170 [ 4805.311101][ T74] do_syscall_64+0xc6/0x1e0 [ 4805.311101][ T74] [ 4805.313052][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4805.313052][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4805.313052][ T74] ipv6_find_idev+0x102/0x170 [ 4805.313052][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4805.313052][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4805.313052][ T74] netlink_rcv_skb+0x130/0x360 [ 4805.313052][ T74] netlink_unicast+0x449/0x710 [ 4805.313052][ T74] netlink_sendmsg+0x723/0xbe0 [ 4805.313052][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4805.313052][ T74] ___sys_sendmsg+0xee/0x170 [ 4805.313052][ T74] __sys_sendmsg+0xcd/0x170 [ 4805.313052][ T74] do_syscall_64+0xc6/0x1e0 [ 4805.313052][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4805.313052][ T74] [ 4805.314698][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4805.314698][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4805.314698][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4805.314698][ T74] ipv6_find_idev+0x102/0x170 [ 4805.314698][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4805.314698][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4805.314698][ T74] netlink_rcv_skb+0x130/0x360 [ 4805.314698][ T74] netlink_unicast+0x449/0x710 [ 4805.314698][ T74] netlink_sendmsg+0x723/0xbe0 [ 4805.314698][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4805.314698][ T74] ___sys_sendmsg+0xee/0x170 [ 4805.314698][ T74] __sys_sendmsg+0xcd/0x170 [ 4805.314698][ T74] do_syscall_64+0xc6/0x1e0 [ 4805.314698][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4805.314698][ T74] [ 4805.316617][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4805.316857][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4805.316857][ T74] netdev_get_by_index+0x5e/0x80 [ 4805.316857][ T74] fib6_nh_init+0x3d8/0x1580 [ 4805.316857][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4805.316857][ T74] ip6_route_add+0x1c/0x140 [ 4805.316857][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4805.316857][ T74] inet6_addr_add+0x4f8/0xa40 [ 4805.316857][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4805.316857][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4805.316857][ T74] netlink_rcv_skb+0x130/0x360 [ 4805.316857][ T74] netlink_unicast+0x449/0x710 [ 4805.316857][ T74] netlink_sendmsg+0x723/0xbe0 [ 4805.316857][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4805.316857][ T74] ___sys_sendmsg+0xee/0x170 [ 4805.316857][ T74] __sys_sendmsg+0xcd/0x170 [ 4805.316857][ T74] do_syscall_64+0xc6/0x1e0 [ 4805.316857][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4805.316857][ T74] [ 4805.319135][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4805.319135][ T74] netdev_get_by_index+0x5e/0x80 [ 4805.319135][ T74] fib6_nh_init+0x3d8/0x1580 [ 4805.319135][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4805.319135][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4805.319135][ T74] ipv6_add_addr+0x411/0x2000 [ 4805.319135][ T74] inet6_addr_add+0x30e/0xa40 [ 4805.319135][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4805.319135][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4805.319135][ T74] netlink_rcv_skb+0x130/0x360 [ 4805.319135][ T74] netlink_unicast+0x449/0x710 [ 4805.319135][ T74] netlink_sendmsg+0x723/0xbe0 [ 4805.319135][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4805.319135][ T74] ___sys_sendmsg+0xee/0x170 [ 4805.319135][ T74] __sys_sendmsg+0xcd/0x170 [ 4805.319135][ T74] do_syscall_64+0xc6/0x1e0 [ 4805.319135][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4805.319135][ T74] [ 4805.321340][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4805.321340][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4805.321340][ T74] ipv6_find_idev+0x102/0x170 [ 4805.321340][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4805.321340][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4805.321340][ T74] netlink_rcv_skb+0x130/0x360 [ 4805.321340][ T74] netlink_unicast+0x449/0x710 [ 4805.321340][ T74] netlink_sendmsg+0x723/0xbe0 [ 4805.321340][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4805.321340][ T74] ___sys_sendmsg+0xee/0x170 [ 4805.321340][ T74] __sys_sendmsg+0xcd/0x170 [ 4805.321340][ T74] do_syscall_64+0xc6/0x1e0 [ 4805.321340][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4805.321340][ T74] [ 4805.322915][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4805.322915][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4805.322915][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4805.322915][ T74] ipv6_find_idev+0x102/0x170 [ 4805.322915][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4805.322915][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4805.322915][ T74] netlink_rcv_skb+0x130/0x360 [ 4805.322915][ T74] netlink_unicast+0x449/0x710 [ 4805.322915][ T74] netlink_sendmsg+0x723/0xbe0 [ 4805.322915][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4805.322915][ T74] ___sys_sendmsg+0xee/0x170 [ 4805.322915][ T74] __sys_sendmsg+0xcd/0x170 [ 4805.322915][ T74] do_syscall_64+0xc6/0x1e0 [ 4805.322915][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4805.322915][ T74] [ 4815.559965][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4815.560387][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4815.560387][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4815.560387][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4815.560387][ T74] fib6_nh_init+0xa22/0x1580 [ 4815.560387][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4815.560387][ T74] ip6_route_add+0x1c/0x140 [ 4815.560387][ T74] inet6_rtm_newroute+0x104/0x110 [ 4815.560387][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4815.560387][ T74] netlink_rcv_skb+0x130/0x360 [ 4815.560387][ T74] netlink_unicast+0x449/0x710 [ 4815.560387][ T74] netlink_sendmsg+0x723/0xbe0 [ 4815.560387][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4815.560387][ T74] ___sys_sendmsg+0xee/0x170 [ 4815.560387][ T74] __sys_sendmsg+0xcd/0x170 [ 4815.560387][ T74] do_syscall_64+0xc6/0x1e0 [ 4815.560387][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4815.560387][ T74] [ 4815.562281][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4815.562281][ T74] netdev_get_by_index+0x5e/0x80 [ 4815.562281][ T74] fib6_nh_init+0x3d8/0x1580 [ 4815.562281][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4815.562281][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4815.562281][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4815.562281][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4815.562281][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4815.562281][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4815.562281][ T74] addrconf_dad_begin+0x310/0x670 [ 4815.562281][ T74] addrconf_dad_work+0x10b/0xab0 [ 4815.562281][ T74] process_one_work+0x84d/0x18a0 [ 4815.562281][ T74] worker_thread+0x587/0xd30 [ 4815.562281][ T74] kthread+0x28a/0x350 [ 4815.562281][ T74] ret_from_fork+0x31/0x70 [ 4815.562281][ T74] ret_from_fork_asm+0x1a/0x30 [ 4815.562281][ T74] [ 4815.564288][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4815.564288][ T74] netdev_get_by_index+0x5e/0x80 [ 4815.564288][ T74] fib6_nh_init+0x3d8/0x1580 [ 4815.564288][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4815.564288][ T74] ip6_route_add+0x1c/0x140 [ 4815.564288][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4815.564288][ T74] inet6_addr_add+0x4f8/0xa40 [ 4815.564288][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4815.564288][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4815.564288][ T74] netlink_rcv_skb+0x130/0x360 [ 4815.564288][ T74] netlink_unicast+0x449/0x710 [ 4815.564288][ T74] netlink_sendmsg+0x723/0xbe0 [ 4815.564288][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4815.564288][ T74] ___sys_sendmsg+0xee/0x170 [ 4815.564288][ T74] __sys_sendmsg+0xcd/0x170 [ 4815.564288][ T74] do_syscall_64+0xc6/0x1e0 [ 4815.564288][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4815.564288][ T74] [ 4815.566280][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4815.566280][ T74] netdev_get_by_index+0x5e/0x80 [ 4815.566280][ T74] fib6_nh_init+0x3d8/0x1580 [ 4815.566280][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4815.566280][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4815.566280][ T74] ipv6_add_addr+0x411/0x2000 [ 4815.566280][ T74] inet6_addr_add+0x30e/0xa40 [ 4815.566280][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4815.566280][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4815.566280][ T74] netlink_rcv_skb+0x130/0x360 [ 4815.566280][ T74] netlink_unicast+0x449/0x710 [ 4815.566280][ T74] netlink_sendmsg+0x723/0xbe0 [ 4815.566280][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4815.566280][ T74] ___sys_sendmsg+0xee/0x170 [ 4815.566280][ T74] __sys_sendmsg+0xcd/0x170 [ 4815.566280][ T74] do_syscall_64+0xc6/0x1e0 [ 4815.566280][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4815.566280][ T74] [ 4815.568275][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4815.568275][ T74] netdev_get_by_index+0x5e/0x80 [ 4815.568275][ T74] fib6_nh_init+0x3d8/0x1580 [ 4815.568275][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4815.568275][ T74] ip6_route_add+0x1c/0x140 [ 4815.568275][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4815.568275][ T74] addrconf_add_dev+0xe2/0x170 [ 4815.568275][ T74] inet6_addr_add+0x12f/0xa40 [ 4815.568275][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4815.568275][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4815.568275][ T74] netlink_rcv_skb+0x130/0x360 [ 4815.568275][ T74] netlink_unicast+0x449/0x710 [ 4815.568275][ T74] netlink_sendmsg+0x723/0xbe0 [ 4815.568275][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4815.568275][ T74] ___sys_sendmsg+0xee/0x170 [ 4815.568275][ T74] __sys_sendmsg+0xcd/0x170 [ 4815.568275][ T74] do_syscall_64+0xc6/0x1e0 [ 4815.568275][ T74] [ 4815.570237][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4815.570237][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4815.570237][ T74] ipv6_find_idev+0x102/0x170 [ 4815.570237][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4815.570237][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4815.570237][ T74] netlink_rcv_skb+0x130/0x360 [ 4815.570237][ T74] netlink_unicast+0x449/0x710 [ 4815.570237][ T74] netlink_sendmsg+0x723/0xbe0 [ 4815.570237][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4815.570237][ T74] ___sys_sendmsg+0xee/0x170 [ 4815.570237][ T74] __sys_sendmsg+0xcd/0x170 [ 4815.570237][ T74] do_syscall_64+0xc6/0x1e0 [ 4815.570237][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4815.570237][ T74] [ 4815.571804][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4815.571804][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4815.571804][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4815.571804][ T74] ipv6_find_idev+0x102/0x170 [ 4815.571804][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4815.571804][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4815.571804][ T74] netlink_rcv_skb+0x130/0x360 [ 4815.571804][ T74] netlink_unicast+0x449/0x710 [ 4815.571804][ T74] netlink_sendmsg+0x723/0xbe0 [ 4815.571804][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4815.571804][ T74] ___sys_sendmsg+0xee/0x170 [ 4815.571804][ T74] __sys_sendmsg+0xcd/0x170 [ 4815.571804][ T74] do_syscall_64+0xc6/0x1e0 [ 4815.571804][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4815.571804][ T74] [ 4815.573476][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4815.573750][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4815.573750][ T74] dst_init+0x84/0x4a0 [ 4815.573750][ T74] dst_alloc+0x97/0x150 [ 4815.573750][ T74] ip6_dst_alloc+0x23/0x90 [ 4815.573750][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4815.573750][ T74] ip6_pol_route+0x56f/0x840 [ 4815.573750][ T74] fib6_rule_lookup+0x456/0x630 [ 4815.573750][ T74] ip6_route_input+0x59c/0xa50 [ 4815.573750][ T74] ipv6_rcv+0x397/0x810 [ 4815.573750][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4815.573750][ T74] process_backlog+0x101/0x620 [ 4815.573750][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4815.573750][ T74] net_rx_action+0x495/0xbe0 [ 4815.573750][ T74] __do_softirq+0x1b5/0x7f6 [ 4815.573750][ T74] [ 4815.575402][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4815.575402][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4815.575402][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4815.575402][ T74] fib6_nh_init+0xa22/0x1580 [ 4815.575402][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4815.575402][ T74] ip6_route_add+0x1c/0x140 [ 4815.575402][ T74] inet6_rtm_newroute+0x104/0x110 [ 4815.575402][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4815.575402][ T74] netlink_rcv_skb+0x130/0x360 [ 4815.575402][ T74] netlink_unicast+0x449/0x710 [ 4815.575402][ T74] netlink_sendmsg+0x723/0xbe0 [ 4815.575402][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4815.575402][ T74] ___sys_sendmsg+0xee/0x170 [ 4815.575402][ T74] __sys_sendmsg+0xcd/0x170 [ 4815.575402][ T74] do_syscall_64+0xc6/0x1e0 [ 4815.575402][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4815.575402][ T74] [ 4815.577279][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4815.577279][ T74] netdev_get_by_index+0x5e/0x80 [ 4815.577279][ T74] fib6_nh_init+0x3d8/0x1580 [ 4815.577279][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4815.577279][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4815.577279][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4815.577279][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4815.577279][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4815.577279][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4815.577279][ T74] addrconf_dad_begin+0x310/0x670 [ 4815.577279][ T74] addrconf_dad_work+0x10b/0xab0 [ 4815.577279][ T74] process_one_work+0x84d/0x18a0 [ 4815.577279][ T74] worker_thread+0x587/0xd30 [ 4815.577279][ T74] kthread+0x28a/0x350 [ 4815.577279][ T74] ret_from_fork+0x31/0x70 [ 4815.577279][ T74] ret_from_fork_asm+0x1a/0x30 [ 4815.577279][ T74] [ 4815.579180][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4815.579180][ T74] netdev_get_by_index+0x5e/0x80 [ 4815.579180][ T74] fib6_nh_init+0x3d8/0x1580 [ 4815.579180][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4815.579180][ T74] ip6_route_add+0x1c/0x140 [ 4815.579180][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4815.579180][ T74] inet6_addr_add+0x4f8/0xa40 [ 4815.579180][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4815.579180][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4815.579180][ T74] netlink_rcv_skb+0x130/0x360 [ 4815.579180][ T74] netlink_unicast+0x449/0x710 [ 4815.579180][ T74] netlink_sendmsg+0x723/0xbe0 [ 4815.579180][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4815.579180][ T74] ___sys_sendmsg+0xee/0x170 [ 4815.579180][ T74] __sys_sendmsg+0xcd/0x170 [ 4815.579180][ T74] do_syscall_64+0xc6/0x1e0 [ 4815.579180][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4815.579180][ T74] [ 4815.581174][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4815.581174][ T74] netdev_get_by_index+0x5e/0x80 [ 4815.581174][ T74] fib6_nh_init+0x3d8/0x1580 [ 4815.581174][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4815.581174][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4815.581174][ T74] ipv6_add_addr+0x411/0x2000 [ 4815.581174][ T74] inet6_addr_add+0x30e/0xa40 [ 4815.581174][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4815.581174][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4815.581174][ T74] netlink_rcv_skb+0x130/0x360 [ 4815.581174][ T74] netlink_unicast+0x449/0x710 [ 4815.581174][ T74] netlink_sendmsg+0x723/0xbe0 [ 4815.581174][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4815.581174][ T74] ___sys_sendmsg+0xee/0x170 [ 4815.581174][ T74] __sys_sendmsg+0xcd/0x170 [ 4815.581174][ T74] do_syscall_64+0xc6/0x1e0 [ 4815.581174][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4815.581174][ T74] [ 4815.583164][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4815.583164][ T74] netdev_get_by_index+0x5e/0x80 [ 4815.583164][ T74] fib6_nh_init+0x3d8/0x1580 [ 4815.583164][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4815.583164][ T74] ip6_route_add+0x1c/0x140 [ 4815.583164][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4815.583164][ T74] addrconf_add_dev+0xe2/0x170 [ 4815.583164][ T74] inet6_addr_add+0x12f/0xa40 [ 4815.583164][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4815.583164][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4815.583164][ T74] netlink_rcv_skb+0x130/0x360 [ 4815.583164][ T74] netlink_unicast+0x449/0x710 [ 4815.583164][ T74] netlink_sendmsg+0x723/0xbe0 [ 4815.583164][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4815.583164][ T74] ___sys_sendmsg+0xee/0x170 [ 4815.583164][ T74] __sys_sendmsg+0xcd/0x170 [ 4815.583164][ T74] do_syscall_64+0xc6/0x1e0 [ 4815.583164][ T74] [ 4815.585127][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4815.585127][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4815.585127][ T74] ipv6_find_idev+0x102/0x170 [ 4815.585127][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4815.585127][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4815.585127][ T74] netlink_rcv_skb+0x130/0x360 [ 4815.585127][ T74] netlink_unicast+0x449/0x710 [ 4815.585127][ T74] netlink_sendmsg+0x723/0xbe0 [ 4815.585127][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4815.585127][ T74] ___sys_sendmsg+0xee/0x170 [ 4815.585127][ T74] __sys_sendmsg+0xcd/0x170 [ 4815.585127][ T74] do_syscall_64+0xc6/0x1e0 [ 4815.585127][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4815.585127][ T74] [ 4815.586795][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4815.586795][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4815.586795][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4815.586795][ T74] ipv6_find_idev+0x102/0x170 [ 4815.586795][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4815.586795][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4815.586795][ T74] netlink_rcv_skb+0x130/0x360 [ 4815.586795][ T74] netlink_unicast+0x449/0x710 [ 4815.586795][ T74] netlink_sendmsg+0x723/0xbe0 [ 4815.586795][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4815.586795][ T74] ___sys_sendmsg+0xee/0x170 [ 4815.586795][ T74] __sys_sendmsg+0xcd/0x170 [ 4815.586795][ T74] do_syscall_64+0xc6/0x1e0 [ 4815.586795][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4815.586795][ T74] [ 4815.588707][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4815.588953][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4815.588953][ T74] netdev_get_by_index+0x5e/0x80 [ 4815.588953][ T74] fib6_nh_init+0x3d8/0x1580 [ 4815.588953][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4815.588953][ T74] ip6_route_add+0x1c/0x140 [ 4815.588953][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4815.588953][ T74] inet6_addr_add+0x4f8/0xa40 [ 4815.588953][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4815.588953][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4815.588953][ T74] netlink_rcv_skb+0x130/0x360 [ 4815.588953][ T74] netlink_unicast+0x449/0x710 [ 4815.588953][ T74] netlink_sendmsg+0x723/0xbe0 [ 4815.588953][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4815.588953][ T74] ___sys_sendmsg+0xee/0x170 [ 4815.588953][ T74] __sys_sendmsg+0xcd/0x170 [ 4815.588953][ T74] do_syscall_64+0xc6/0x1e0 [ 4815.588953][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4815.588953][ T74] [ 4815.591185][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4815.591185][ T74] netdev_get_by_index+0x5e/0x80 [ 4815.591185][ T74] fib6_nh_init+0x3d8/0x1580 [ 4815.591185][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4815.591185][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4815.591185][ T74] ipv6_add_addr+0x411/0x2000 [ 4815.591185][ T74] inet6_addr_add+0x30e/0xa40 [ 4815.591185][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4815.591185][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4815.591185][ T74] netlink_rcv_skb+0x130/0x360 [ 4815.591185][ T74] netlink_unicast+0x449/0x710 [ 4815.591185][ T74] netlink_sendmsg+0x723/0xbe0 [ 4815.591185][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4815.591185][ T74] ___sys_sendmsg+0xee/0x170 [ 4815.591185][ T74] __sys_sendmsg+0xcd/0x170 [ 4815.591185][ T74] do_syscall_64+0xc6/0x1e0 [ 4815.591185][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4815.591185][ T74] [ 4815.593427][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4815.593427][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4815.593427][ T74] ipv6_find_idev+0x102/0x170 [ 4815.593427][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4815.593427][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4815.593427][ T74] netlink_rcv_skb+0x130/0x360 [ 4815.593427][ T74] netlink_unicast+0x449/0x710 [ 4815.593427][ T74] netlink_sendmsg+0x723/0xbe0 [ 4815.593427][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4815.593427][ T74] ___sys_sendmsg+0xee/0x170 [ 4815.593427][ T74] __sys_sendmsg+0xcd/0x170 [ 4815.593427][ T74] do_syscall_64+0xc6/0x1e0 [ 4815.593427][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4815.593427][ T74] [ 4815.595172][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4815.595172][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4815.595172][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4815.595172][ T74] ipv6_find_idev+0x102/0x170 [ 4815.595172][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4815.595172][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4815.595172][ T74] netlink_rcv_skb+0x130/0x360 [ 4815.595172][ T74] netlink_unicast+0x449/0x710 [ 4815.595172][ T74] netlink_sendmsg+0x723/0xbe0 [ 4815.595172][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4815.595172][ T74] ___sys_sendmsg+0xee/0x170 [ 4815.595172][ T74] __sys_sendmsg+0xcd/0x170 [ 4815.595172][ T74] do_syscall_64+0xc6/0x1e0 [ 4815.595172][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4815.595172][ T74] [ 4825.839961][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4825.840382][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4825.840382][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4825.840382][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4825.840382][ T74] fib6_nh_init+0xa22/0x1580 [ 4825.840382][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4825.840382][ T74] ip6_route_add+0x1c/0x140 [ 4825.840382][ T74] inet6_rtm_newroute+0x104/0x110 [ 4825.840382][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4825.840382][ T74] netlink_rcv_skb+0x130/0x360 [ 4825.840382][ T74] netlink_unicast+0x449/0x710 [ 4825.840382][ T74] netlink_sendmsg+0x723/0xbe0 [ 4825.840382][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4825.840382][ T74] ___sys_sendmsg+0xee/0x170 [ 4825.840382][ T74] __sys_sendmsg+0xcd/0x170 [ 4825.840382][ T74] do_syscall_64+0xc6/0x1e0 [ 4825.840382][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4825.840382][ T74] [ 4825.842300][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4825.842300][ T74] netdev_get_by_index+0x5e/0x80 [ 4825.842300][ T74] fib6_nh_init+0x3d8/0x1580 [ 4825.842300][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4825.842300][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4825.842300][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4825.842300][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4825.842300][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4825.842300][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4825.842300][ T74] addrconf_dad_begin+0x310/0x670 [ 4825.842300][ T74] addrconf_dad_work+0x10b/0xab0 [ 4825.842300][ T74] process_one_work+0x84d/0x18a0 [ 4825.842300][ T74] worker_thread+0x587/0xd30 [ 4825.842300][ T74] kthread+0x28a/0x350 [ 4825.842300][ T74] ret_from_fork+0x31/0x70 [ 4825.842300][ T74] ret_from_fork_asm+0x1a/0x30 [ 4825.842300][ T74] [ 4825.844212][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4825.844212][ T74] netdev_get_by_index+0x5e/0x80 [ 4825.844212][ T74] fib6_nh_init+0x3d8/0x1580 [ 4825.844212][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4825.844212][ T74] ip6_route_add+0x1c/0x140 [ 4825.844212][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4825.844212][ T74] inet6_addr_add+0x4f8/0xa40 [ 4825.844212][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4825.844212][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4825.844212][ T74] netlink_rcv_skb+0x130/0x360 [ 4825.844212][ T74] netlink_unicast+0x449/0x710 [ 4825.844212][ T74] netlink_sendmsg+0x723/0xbe0 [ 4825.844212][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4825.844212][ T74] ___sys_sendmsg+0xee/0x170 [ 4825.844212][ T74] __sys_sendmsg+0xcd/0x170 [ 4825.844212][ T74] do_syscall_64+0xc6/0x1e0 [ 4825.844212][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4825.844212][ T74] [ 4825.846235][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4825.846235][ T74] netdev_get_by_index+0x5e/0x80 [ 4825.846235][ T74] fib6_nh_init+0x3d8/0x1580 [ 4825.846235][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4825.846235][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4825.846235][ T74] ipv6_add_addr+0x411/0x2000 [ 4825.846235][ T74] inet6_addr_add+0x30e/0xa40 [ 4825.846235][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4825.846235][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4825.846235][ T74] netlink_rcv_skb+0x130/0x360 [ 4825.846235][ T74] netlink_unicast+0x449/0x710 [ 4825.846235][ T74] netlink_sendmsg+0x723/0xbe0 [ 4825.846235][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4825.846235][ T74] ___sys_sendmsg+0xee/0x170 [ 4825.846235][ T74] __sys_sendmsg+0xcd/0x170 [ 4825.846235][ T74] do_syscall_64+0xc6/0x1e0 [ 4825.846235][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4825.846235][ T74] [ 4825.848241][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4825.848241][ T74] netdev_get_by_index+0x5e/0x80 [ 4825.848241][ T74] fib6_nh_init+0x3d8/0x1580 [ 4825.848241][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4825.848241][ T74] ip6_route_add+0x1c/0x140 [ 4825.848241][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4825.848241][ T74] addrconf_add_dev+0xe2/0x170 [ 4825.848241][ T74] inet6_addr_add+0x12f/0xa40 [ 4825.848241][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4825.848241][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4825.848241][ T74] netlink_rcv_skb+0x130/0x360 [ 4825.848241][ T74] netlink_unicast+0x449/0x710 [ 4825.848241][ T74] netlink_sendmsg+0x723/0xbe0 [ 4825.848241][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4825.848241][ T74] ___sys_sendmsg+0xee/0x170 [ 4825.848241][ T74] __sys_sendmsg+0xcd/0x170 [ 4825.848241][ T74] do_syscall_64+0xc6/0x1e0 [ 4825.848241][ T74] [ 4825.850237][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4825.850237][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4825.850237][ T74] ipv6_find_idev+0x102/0x170 [ 4825.850237][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4825.850237][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4825.850237][ T74] netlink_rcv_skb+0x130/0x360 [ 4825.850237][ T74] netlink_unicast+0x449/0x710 [ 4825.850237][ T74] netlink_sendmsg+0x723/0xbe0 [ 4825.850237][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4825.850237][ T74] ___sys_sendmsg+0xee/0x170 [ 4825.850237][ T74] __sys_sendmsg+0xcd/0x170 [ 4825.850237][ T74] do_syscall_64+0xc6/0x1e0 [ 4825.850237][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4825.850237][ T74] [ 4825.851804][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4825.851804][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4825.851804][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4825.851804][ T74] ipv6_find_idev+0x102/0x170 [ 4825.851804][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4825.851804][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4825.851804][ T74] netlink_rcv_skb+0x130/0x360 [ 4825.851804][ T74] netlink_unicast+0x449/0x710 [ 4825.851804][ T74] netlink_sendmsg+0x723/0xbe0 [ 4825.851804][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4825.851804][ T74] ___sys_sendmsg+0xee/0x170 [ 4825.851804][ T74] __sys_sendmsg+0xcd/0x170 [ 4825.851804][ T74] do_syscall_64+0xc6/0x1e0 [ 4825.851804][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4825.851804][ T74] [ 4825.853514][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4825.853795][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4825.853795][ T74] dst_init+0x84/0x4a0 [ 4825.853795][ T74] dst_alloc+0x97/0x150 [ 4825.853795][ T74] ip6_dst_alloc+0x23/0x90 [ 4825.853795][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4825.853795][ T74] ip6_pol_route+0x56f/0x840 [ 4825.853795][ T74] fib6_rule_lookup+0x456/0x630 [ 4825.853795][ T74] ip6_route_input+0x59c/0xa50 [ 4825.853795][ T74] ipv6_rcv+0x397/0x810 [ 4825.853795][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4825.853795][ T74] process_backlog+0x101/0x620 [ 4825.853795][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4825.853795][ T74] net_rx_action+0x495/0xbe0 [ 4825.853795][ T74] __do_softirq+0x1b5/0x7f6 [ 4825.853795][ T74] [ 4825.855434][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4825.855434][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4825.855434][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4825.855434][ T74] fib6_nh_init+0xa22/0x1580 [ 4825.855434][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4825.855434][ T74] ip6_route_add+0x1c/0x140 [ 4825.855434][ T74] inet6_rtm_newroute+0x104/0x110 [ 4825.855434][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4825.855434][ T74] netlink_rcv_skb+0x130/0x360 [ 4825.855434][ T74] netlink_unicast+0x449/0x710 [ 4825.855434][ T74] netlink_sendmsg+0x723/0xbe0 [ 4825.855434][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4825.855434][ T74] ___sys_sendmsg+0xee/0x170 [ 4825.855434][ T74] __sys_sendmsg+0xcd/0x170 [ 4825.855434][ T74] do_syscall_64+0xc6/0x1e0 [ 4825.855434][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4825.855434][ T74] [ 4825.857340][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4825.857340][ T74] netdev_get_by_index+0x5e/0x80 [ 4825.857340][ T74] fib6_nh_init+0x3d8/0x1580 [ 4825.857340][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4825.857340][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4825.857340][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4825.857340][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4825.857340][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4825.857340][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4825.857340][ T74] addrconf_dad_begin+0x310/0x670 [ 4825.857340][ T74] addrconf_dad_work+0x10b/0xab0 [ 4825.857340][ T74] process_one_work+0x84d/0x18a0 [ 4825.857340][ T74] worker_thread+0x587/0xd30 [ 4825.857340][ T74] kthread+0x28a/0x350 [ 4825.857340][ T74] ret_from_fork+0x31/0x70 [ 4825.857340][ T74] ret_from_fork_asm+0x1a/0x30 [ 4825.857340][ T74] [ 4825.859266][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4825.859266][ T74] netdev_get_by_index+0x5e/0x80 [ 4825.859266][ T74] fib6_nh_init+0x3d8/0x1580 [ 4825.859266][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4825.859266][ T74] ip6_route_add+0x1c/0x140 [ 4825.859266][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4825.859266][ T74] inet6_addr_add+0x4f8/0xa40 [ 4825.859266][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4825.859266][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4825.859266][ T74] netlink_rcv_skb+0x130/0x360 [ 4825.859266][ T74] netlink_unicast+0x449/0x710 [ 4825.859266][ T74] netlink_sendmsg+0x723/0xbe0 [ 4825.859266][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4825.859266][ T74] ___sys_sendmsg+0xee/0x170 [ 4825.859266][ T74] __sys_sendmsg+0xcd/0x170 [ 4825.859266][ T74] do_syscall_64+0xc6/0x1e0 [ 4825.859266][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4825.859266][ T74] [ 4825.861314][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4825.861314][ T74] netdev_get_by_index+0x5e/0x80 [ 4825.861314][ T74] fib6_nh_init+0x3d8/0x1580 [ 4825.861314][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4825.861314][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4825.861314][ T74] ipv6_add_addr+0x411/0x2000 [ 4825.861314][ T74] inet6_addr_add+0x30e/0xa40 [ 4825.861314][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4825.861314][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4825.861314][ T74] netlink_rcv_skb+0x130/0x360 [ 4825.861314][ T74] netlink_unicast+0x449/0x710 [ 4825.861314][ T74] netlink_sendmsg+0x723/0xbe0 [ 4825.861314][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4825.861314][ T74] ___sys_sendmsg+0xee/0x170 [ 4825.861314][ T74] __sys_sendmsg+0xcd/0x170 [ 4825.861314][ T74] do_syscall_64+0xc6/0x1e0 [ 4825.861314][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4825.861314][ T74] [ 4825.863313][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4825.863313][ T74] netdev_get_by_index+0x5e/0x80 [ 4825.863313][ T74] fib6_nh_init+0x3d8/0x1580 [ 4825.863313][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4825.863313][ T74] ip6_route_add+0x1c/0x140 [ 4825.863313][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4825.863313][ T74] addrconf_add_dev+0xe2/0x170 [ 4825.863313][ T74] inet6_addr_add+0x12f/0xa40 [ 4825.863313][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4825.863313][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4825.863313][ T74] netlink_rcv_skb+0x130/0x360 [ 4825.863313][ T74] netlink_unicast+0x449/0x710 [ 4825.863313][ T74] netlink_sendmsg+0x723/0xbe0 [ 4825.863313][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4825.863313][ T74] ___sys_sendmsg+0xee/0x170 [ 4825.863313][ T74] __sys_sendmsg+0xcd/0x170 [ 4825.863313][ T74] do_syscall_64+0xc6/0x1e0 [ 4825.863313][ T74] [ 4825.865269][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4825.865269][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4825.865269][ T74] ipv6_find_idev+0x102/0x170 [ 4825.865269][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4825.865269][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4825.865269][ T74] netlink_rcv_skb+0x130/0x360 [ 4825.865269][ T74] netlink_unicast+0x449/0x710 [ 4825.865269][ T74] netlink_sendmsg+0x723/0xbe0 [ 4825.865269][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4825.865269][ T74] ___sys_sendmsg+0xee/0x170 [ 4825.865269][ T74] __sys_sendmsg+0xcd/0x170 [ 4825.865269][ T74] do_syscall_64+0xc6/0x1e0 [ 4825.865269][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4825.865269][ T74] [ 4825.866896][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4825.866896][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4825.866896][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4825.866896][ T74] ipv6_find_idev+0x102/0x170 [ 4825.866896][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4825.866896][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4825.866896][ T74] netlink_rcv_skb+0x130/0x360 [ 4825.866896][ T74] netlink_unicast+0x449/0x710 [ 4825.866896][ T74] netlink_sendmsg+0x723/0xbe0 [ 4825.866896][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4825.866896][ T74] ___sys_sendmsg+0xee/0x170 [ 4825.866896][ T74] __sys_sendmsg+0xcd/0x170 [ 4825.866896][ T74] do_syscall_64+0xc6/0x1e0 [ 4825.866896][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4825.866896][ T74] [ 4825.868875][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4825.869159][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4825.869159][ T74] netdev_get_by_index+0x5e/0x80 [ 4825.869159][ T74] fib6_nh_init+0x3d8/0x1580 [ 4825.869159][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4825.869159][ T74] ip6_route_add+0x1c/0x140 [ 4825.869159][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4825.869159][ T74] inet6_addr_add+0x4f8/0xa40 [ 4825.869159][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4825.869159][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4825.869159][ T74] netlink_rcv_skb+0x130/0x360 [ 4825.869159][ T74] netlink_unicast+0x449/0x710 [ 4825.869159][ T74] netlink_sendmsg+0x723/0xbe0 [ 4825.869159][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4825.869159][ T74] ___sys_sendmsg+0xee/0x170 [ 4825.869159][ T74] __sys_sendmsg+0xcd/0x170 [ 4825.869159][ T74] do_syscall_64+0xc6/0x1e0 [ 4825.869159][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4825.869159][ T74] [ 4825.871391][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4825.871391][ T74] netdev_get_by_index+0x5e/0x80 [ 4825.871391][ T74] fib6_nh_init+0x3d8/0x1580 [ 4825.871391][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4825.871391][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4825.871391][ T74] ipv6_add_addr+0x411/0x2000 [ 4825.871391][ T74] inet6_addr_add+0x30e/0xa40 [ 4825.871391][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4825.871391][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4825.871391][ T74] netlink_rcv_skb+0x130/0x360 [ 4825.871391][ T74] netlink_unicast+0x449/0x710 [ 4825.871391][ T74] netlink_sendmsg+0x723/0xbe0 [ 4825.871391][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4825.871391][ T74] ___sys_sendmsg+0xee/0x170 [ 4825.871391][ T74] __sys_sendmsg+0xcd/0x170 [ 4825.871391][ T74] do_syscall_64+0xc6/0x1e0 [ 4825.871391][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4825.871391][ T74] [ 4825.873619][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4825.873619][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4825.873619][ T74] ipv6_find_idev+0x102/0x170 [ 4825.873619][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4825.873619][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4825.873619][ T74] netlink_rcv_skb+0x130/0x360 [ 4825.873619][ T74] netlink_unicast+0x449/0x710 [ 4825.873619][ T74] netlink_sendmsg+0x723/0xbe0 [ 4825.873619][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4825.873619][ T74] ___sys_sendmsg+0xee/0x170 [ 4825.873619][ T74] __sys_sendmsg+0xcd/0x170 [ 4825.873619][ T74] do_syscall_64+0xc6/0x1e0 [ 4825.873619][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4825.873619][ T74] [ 4825.875207][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4825.875207][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4825.875207][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4825.875207][ T74] ipv6_find_idev+0x102/0x170 [ 4825.875207][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4825.875207][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4825.875207][ T74] netlink_rcv_skb+0x130/0x360 [ 4825.875207][ T74] netlink_unicast+0x449/0x710 [ 4825.875207][ T74] netlink_sendmsg+0x723/0xbe0 [ 4825.875207][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4825.875207][ T74] ___sys_sendmsg+0xee/0x170 [ 4825.875207][ T74] __sys_sendmsg+0xcd/0x170 [ 4825.875207][ T74] do_syscall_64+0xc6/0x1e0 [ 4825.875207][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4825.875207][ T74] [ 4836.119968][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4836.120333][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4836.120333][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4836.120333][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4836.120333][ T74] fib6_nh_init+0xa22/0x1580 [ 4836.120333][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4836.120333][ T74] ip6_route_add+0x1c/0x140 [ 4836.120333][ T74] inet6_rtm_newroute+0x104/0x110 [ 4836.120333][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4836.120333][ T74] netlink_rcv_skb+0x130/0x360 [ 4836.120333][ T74] netlink_unicast+0x449/0x710 [ 4836.120333][ T74] netlink_sendmsg+0x723/0xbe0 [ 4836.120333][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4836.120333][ T74] ___sys_sendmsg+0xee/0x170 [ 4836.120333][ T74] __sys_sendmsg+0xcd/0x170 [ 4836.120333][ T74] do_syscall_64+0xc6/0x1e0 [ 4836.120333][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4836.120333][ T74] [ 4836.122226][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4836.122226][ T74] netdev_get_by_index+0x5e/0x80 [ 4836.122226][ T74] fib6_nh_init+0x3d8/0x1580 [ 4836.122226][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4836.122226][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4836.122226][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4836.122226][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4836.122226][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4836.122226][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4836.122226][ T74] addrconf_dad_begin+0x310/0x670 [ 4836.122226][ T74] addrconf_dad_work+0x10b/0xab0 [ 4836.122226][ T74] process_one_work+0x84d/0x18a0 [ 4836.122226][ T74] worker_thread+0x587/0xd30 [ 4836.122226][ T74] kthread+0x28a/0x350 [ 4836.122226][ T74] ret_from_fork+0x31/0x70 [ 4836.122226][ T74] ret_from_fork_asm+0x1a/0x30 [ 4836.122226][ T74] [ 4836.124135][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4836.124135][ T74] netdev_get_by_index+0x5e/0x80 [ 4836.124135][ T74] fib6_nh_init+0x3d8/0x1580 [ 4836.124135][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4836.124135][ T74] ip6_route_add+0x1c/0x140 [ 4836.124135][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4836.124135][ T74] inet6_addr_add+0x4f8/0xa40 [ 4836.124135][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4836.124135][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4836.124135][ T74] netlink_rcv_skb+0x130/0x360 [ 4836.124135][ T74] netlink_unicast+0x449/0x710 [ 4836.124135][ T74] netlink_sendmsg+0x723/0xbe0 [ 4836.124135][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4836.124135][ T74] ___sys_sendmsg+0xee/0x170 [ 4836.124135][ T74] __sys_sendmsg+0xcd/0x170 [ 4836.124135][ T74] do_syscall_64+0xc6/0x1e0 [ 4836.124135][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4836.124135][ T74] [ 4836.126144][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4836.126144][ T74] netdev_get_by_index+0x5e/0x80 [ 4836.126144][ T74] fib6_nh_init+0x3d8/0x1580 [ 4836.126144][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4836.126144][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4836.126144][ T74] ipv6_add_addr+0x411/0x2000 [ 4836.126144][ T74] inet6_addr_add+0x30e/0xa40 [ 4836.126144][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4836.126144][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4836.126144][ T74] netlink_rcv_skb+0x130/0x360 [ 4836.126144][ T74] netlink_unicast+0x449/0x710 [ 4836.126144][ T74] netlink_sendmsg+0x723/0xbe0 [ 4836.126144][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4836.126144][ T74] ___sys_sendmsg+0xee/0x170 [ 4836.126144][ T74] __sys_sendmsg+0xcd/0x170 [ 4836.126144][ T74] do_syscall_64+0xc6/0x1e0 [ 4836.126144][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4836.126144][ T74] [ 4836.128141][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4836.128141][ T74] netdev_get_by_index+0x5e/0x80 [ 4836.128141][ T74] fib6_nh_init+0x3d8/0x1580 [ 4836.128141][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4836.128141][ T74] ip6_route_add+0x1c/0x140 [ 4836.128141][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4836.128141][ T74] addrconf_add_dev+0xe2/0x170 [ 4836.128141][ T74] inet6_addr_add+0x12f/0xa40 [ 4836.128141][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4836.128141][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4836.128141][ T74] netlink_rcv_skb+0x130/0x360 [ 4836.128141][ T74] netlink_unicast+0x449/0x710 [ 4836.128141][ T74] netlink_sendmsg+0x723/0xbe0 [ 4836.128141][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4836.128141][ T74] ___sys_sendmsg+0xee/0x170 [ 4836.128141][ T74] __sys_sendmsg+0xcd/0x170 [ 4836.128141][ T74] do_syscall_64+0xc6/0x1e0 [ 4836.128141][ T74] [ 4836.130099][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4836.130099][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4836.130099][ T74] ipv6_find_idev+0x102/0x170 [ 4836.130099][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4836.130099][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4836.130099][ T74] netlink_rcv_skb+0x130/0x360 [ 4836.130099][ T74] netlink_unicast+0x449/0x710 [ 4836.130099][ T74] netlink_sendmsg+0x723/0xbe0 [ 4836.130099][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4836.130099][ T74] ___sys_sendmsg+0xee/0x170 [ 4836.130099][ T74] __sys_sendmsg+0xcd/0x170 [ 4836.130099][ T74] do_syscall_64+0xc6/0x1e0 [ 4836.130099][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4836.130099][ T74] [ 4836.131642][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4836.131642][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4836.131642][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4836.131642][ T74] ipv6_find_idev+0x102/0x170 [ 4836.131642][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4836.131642][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4836.131642][ T74] netlink_rcv_skb+0x130/0x360 [ 4836.131642][ T74] netlink_unicast+0x449/0x710 [ 4836.131642][ T74] netlink_sendmsg+0x723/0xbe0 [ 4836.131642][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4836.131642][ T74] ___sys_sendmsg+0xee/0x170 [ 4836.131642][ T74] __sys_sendmsg+0xcd/0x170 [ 4836.131642][ T74] do_syscall_64+0xc6/0x1e0 [ 4836.131642][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4836.131642][ T74] [ 4836.133330][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4836.133602][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4836.133602][ T74] dst_init+0x84/0x4a0 [ 4836.133602][ T74] dst_alloc+0x97/0x150 [ 4836.133602][ T74] ip6_dst_alloc+0x23/0x90 [ 4836.133602][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4836.133602][ T74] ip6_pol_route+0x56f/0x840 [ 4836.133602][ T74] fib6_rule_lookup+0x456/0x630 [ 4836.133602][ T74] ip6_route_input+0x59c/0xa50 [ 4836.133602][ T74] ipv6_rcv+0x397/0x810 [ 4836.133602][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4836.133602][ T74] process_backlog+0x101/0x620 [ 4836.133602][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4836.133602][ T74] net_rx_action+0x495/0xbe0 [ 4836.133602][ T74] __do_softirq+0x1b5/0x7f6 [ 4836.133602][ T74] [ 4836.135232][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4836.135232][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4836.135232][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4836.135232][ T74] fib6_nh_init+0xa22/0x1580 [ 4836.135232][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4836.135232][ T74] ip6_route_add+0x1c/0x140 [ 4836.135232][ T74] inet6_rtm_newroute+0x104/0x110 [ 4836.135232][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4836.135232][ T74] netlink_rcv_skb+0x130/0x360 [ 4836.135232][ T74] netlink_unicast+0x449/0x710 [ 4836.135232][ T74] netlink_sendmsg+0x723/0xbe0 [ 4836.135232][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4836.135232][ T74] ___sys_sendmsg+0xee/0x170 [ 4836.135232][ T74] __sys_sendmsg+0xcd/0x170 [ 4836.135232][ T74] do_syscall_64+0xc6/0x1e0 [ 4836.135232][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4836.135232][ T74] [ 4836.137115][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4836.137115][ T74] netdev_get_by_index+0x5e/0x80 [ 4836.137115][ T74] fib6_nh_init+0x3d8/0x1580 [ 4836.137115][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4836.137115][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4836.137115][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4836.137115][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4836.137115][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4836.137115][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4836.137115][ T74] addrconf_dad_begin+0x310/0x670 [ 4836.137115][ T74] addrconf_dad_work+0x10b/0xab0 [ 4836.137115][ T74] process_one_work+0x84d/0x18a0 [ 4836.137115][ T74] worker_thread+0x587/0xd30 [ 4836.137115][ T74] kthread+0x28a/0x350 [ 4836.137115][ T74] ret_from_fork+0x31/0x70 [ 4836.137115][ T74] ret_from_fork_asm+0x1a/0x30 [ 4836.137115][ T74] [ 4836.139024][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4836.139024][ T74] netdev_get_by_index+0x5e/0x80 [ 4836.139024][ T74] fib6_nh_init+0x3d8/0x1580 [ 4836.139024][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4836.139024][ T74] ip6_route_add+0x1c/0x140 [ 4836.139024][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4836.139024][ T74] inet6_addr_add+0x4f8/0xa40 [ 4836.139024][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4836.139024][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4836.139024][ T74] netlink_rcv_skb+0x130/0x360 [ 4836.139024][ T74] netlink_unicast+0x449/0x710 [ 4836.139024][ T74] netlink_sendmsg+0x723/0xbe0 [ 4836.139024][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4836.139024][ T74] ___sys_sendmsg+0xee/0x170 [ 4836.139024][ T74] __sys_sendmsg+0xcd/0x170 [ 4836.139024][ T74] do_syscall_64+0xc6/0x1e0 [ 4836.139024][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4836.139024][ T74] [ 4836.141007][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4836.141007][ T74] netdev_get_by_index+0x5e/0x80 [ 4836.141007][ T74] fib6_nh_init+0x3d8/0x1580 [ 4836.141007][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4836.141007][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4836.141007][ T74] ipv6_add_addr+0x411/0x2000 [ 4836.141007][ T74] inet6_addr_add+0x30e/0xa40 [ 4836.141007][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4836.141007][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4836.141007][ T74] netlink_rcv_skb+0x130/0x360 [ 4836.141007][ T74] netlink_unicast+0x449/0x710 [ 4836.141007][ T74] netlink_sendmsg+0x723/0xbe0 [ 4836.141007][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4836.141007][ T74] ___sys_sendmsg+0xee/0x170 [ 4836.141007][ T74] __sys_sendmsg+0xcd/0x170 [ 4836.141007][ T74] do_syscall_64+0xc6/0x1e0 [ 4836.141007][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4836.141007][ T74] [ 4836.142997][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4836.142997][ T74] netdev_get_by_index+0x5e/0x80 [ 4836.142997][ T74] fib6_nh_init+0x3d8/0x1580 [ 4836.142997][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4836.142997][ T74] ip6_route_add+0x1c/0x140 [ 4836.142997][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4836.142997][ T74] addrconf_add_dev+0xe2/0x170 [ 4836.142997][ T74] inet6_addr_add+0x12f/0xa40 [ 4836.142997][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4836.142997][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4836.142997][ T74] netlink_rcv_skb+0x130/0x360 [ 4836.142997][ T74] netlink_unicast+0x449/0x710 [ 4836.142997][ T74] netlink_sendmsg+0x723/0xbe0 [ 4836.142997][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4836.142997][ T74] ___sys_sendmsg+0xee/0x170 [ 4836.142997][ T74] __sys_sendmsg+0xcd/0x170 [ 4836.142997][ T74] do_syscall_64+0xc6/0x1e0 [ 4836.142997][ T74] [ 4836.144966][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4836.144966][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4836.144966][ T74] ipv6_find_idev+0x102/0x170 [ 4836.144966][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4836.144966][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4836.144966][ T74] netlink_rcv_skb+0x130/0x360 [ 4836.144966][ T74] netlink_unicast+0x449/0x710 [ 4836.144966][ T74] netlink_sendmsg+0x723/0xbe0 [ 4836.144966][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4836.144966][ T74] ___sys_sendmsg+0xee/0x170 [ 4836.144966][ T74] __sys_sendmsg+0xcd/0x170 [ 4836.144966][ T74] do_syscall_64+0xc6/0x1e0 [ 4836.144966][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4836.144966][ T74] [ 4836.146696][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4836.146696][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4836.146696][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4836.146696][ T74] ipv6_find_idev+0x102/0x170 [ 4836.146696][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4836.146696][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4836.146696][ T74] netlink_rcv_skb+0x130/0x360 [ 4836.146696][ T74] netlink_unicast+0x449/0x710 [ 4836.146696][ T74] netlink_sendmsg+0x723/0xbe0 [ 4836.146696][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4836.146696][ T74] ___sys_sendmsg+0xee/0x170 [ 4836.146696][ T74] __sys_sendmsg+0xcd/0x170 [ 4836.146696][ T74] do_syscall_64+0xc6/0x1e0 [ 4836.146696][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4836.146696][ T74] [ 4836.148545][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4836.148797][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4836.148797][ T74] netdev_get_by_index+0x5e/0x80 [ 4836.148797][ T74] fib6_nh_init+0x3d8/0x1580 [ 4836.148797][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4836.148797][ T74] ip6_route_add+0x1c/0x140 [ 4836.148797][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4836.148797][ T74] inet6_addr_add+0x4f8/0xa40 [ 4836.148797][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4836.148797][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4836.148797][ T74] netlink_rcv_skb+0x130/0x360 [ 4836.148797][ T74] netlink_unicast+0x449/0x710 [ 4836.148797][ T74] netlink_sendmsg+0x723/0xbe0 [ 4836.148797][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4836.148797][ T74] ___sys_sendmsg+0xee/0x170 [ 4836.148797][ T74] __sys_sendmsg+0xcd/0x170 [ 4836.148797][ T74] do_syscall_64+0xc6/0x1e0 [ 4836.148797][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4836.148797][ T74] [ 4836.150964][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4836.150964][ T74] netdev_get_by_index+0x5e/0x80 [ 4836.150964][ T74] fib6_nh_init+0x3d8/0x1580 [ 4836.150964][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4836.150964][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4836.150964][ T74] ipv6_add_addr+0x411/0x2000 [ 4836.150964][ T74] inet6_addr_add+0x30e/0xa40 [ 4836.150964][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4836.150964][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4836.150964][ T74] netlink_rcv_skb+0x130/0x360 [ 4836.150964][ T74] netlink_unicast+0x449/0x710 [ 4836.150964][ T74] netlink_sendmsg+0x723/0xbe0 [ 4836.150964][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4836.150964][ T74] ___sys_sendmsg+0xee/0x170 [ 4836.150964][ T74] __sys_sendmsg+0xcd/0x170 [ 4836.150964][ T74] do_syscall_64+0xc6/0x1e0 [ 4836.150964][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4836.150964][ T74] [ 4836.153253][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4836.153253][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4836.153253][ T74] ipv6_find_idev+0x102/0x170 [ 4836.153253][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4836.153253][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4836.153253][ T74] netlink_rcv_skb+0x130/0x360 [ 4836.153253][ T74] netlink_unicast+0x449/0x710 [ 4836.153253][ T74] netlink_sendmsg+0x723/0xbe0 [ 4836.153253][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4836.153253][ T74] ___sys_sendmsg+0xee/0x170 [ 4836.153253][ T74] __sys_sendmsg+0xcd/0x170 [ 4836.153253][ T74] do_syscall_64+0xc6/0x1e0 [ 4836.153253][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4836.153253][ T74] [ 4836.154919][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4836.154919][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4836.154919][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4836.154919][ T74] ipv6_find_idev+0x102/0x170 [ 4836.154919][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4836.154919][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4836.154919][ T74] netlink_rcv_skb+0x130/0x360 [ 4836.154919][ T74] netlink_unicast+0x449/0x710 [ 4836.154919][ T74] netlink_sendmsg+0x723/0xbe0 [ 4836.154919][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4836.154919][ T74] ___sys_sendmsg+0xee/0x170 [ 4836.154919][ T74] __sys_sendmsg+0xcd/0x170 [ 4836.154919][ T74] do_syscall_64+0xc6/0x1e0 [ 4836.154919][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4836.154919][ T74] [ 4846.175977][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4846.176398][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4846.176398][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4846.176398][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4846.176398][ T74] fib6_nh_init+0xa22/0x1580 [ 4846.176398][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4846.176398][ T74] ip6_route_add+0x1c/0x140 [ 4846.176398][ T74] inet6_rtm_newroute+0x104/0x110 [ 4846.176398][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4846.176398][ T74] netlink_rcv_skb+0x130/0x360 [ 4846.176398][ T74] netlink_unicast+0x449/0x710 [ 4846.176398][ T74] netlink_sendmsg+0x723/0xbe0 [ 4846.176398][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4846.176398][ T74] ___sys_sendmsg+0xee/0x170 [ 4846.176398][ T74] __sys_sendmsg+0xcd/0x170 [ 4846.176398][ T74] do_syscall_64+0xc6/0x1e0 [ 4846.176398][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4846.176398][ T74] [ 4846.178299][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4846.178299][ T74] netdev_get_by_index+0x5e/0x80 [ 4846.178299][ T74] fib6_nh_init+0x3d8/0x1580 [ 4846.178299][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4846.178299][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4846.178299][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4846.178299][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4846.178299][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4846.178299][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4846.178299][ T74] addrconf_dad_begin+0x310/0x670 [ 4846.178299][ T74] addrconf_dad_work+0x10b/0xab0 [ 4846.178299][ T74] process_one_work+0x84d/0x18a0 [ 4846.178299][ T74] worker_thread+0x587/0xd30 [ 4846.178299][ T74] kthread+0x28a/0x350 [ 4846.178299][ T74] ret_from_fork+0x31/0x70 [ 4846.178299][ T74] ret_from_fork_asm+0x1a/0x30 [ 4846.178299][ T74] [ 4846.180201][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4846.180201][ T74] netdev_get_by_index+0x5e/0x80 [ 4846.180201][ T74] fib6_nh_init+0x3d8/0x1580 [ 4846.180201][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4846.180201][ T74] ip6_route_add+0x1c/0x140 [ 4846.180201][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4846.180201][ T74] inet6_addr_add+0x4f8/0xa40 [ 4846.180201][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4846.180201][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4846.180201][ T74] netlink_rcv_skb+0x130/0x360 [ 4846.180201][ T74] netlink_unicast+0x449/0x710 [ 4846.180201][ T74] netlink_sendmsg+0x723/0xbe0 [ 4846.180201][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4846.180201][ T74] ___sys_sendmsg+0xee/0x170 [ 4846.180201][ T74] __sys_sendmsg+0xcd/0x170 [ 4846.180201][ T74] do_syscall_64+0xc6/0x1e0 [ 4846.180201][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4846.180201][ T74] [ 4846.182198][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4846.182198][ T74] netdev_get_by_index+0x5e/0x80 [ 4846.182198][ T74] fib6_nh_init+0x3d8/0x1580 [ 4846.182198][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4846.182198][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4846.182198][ T74] ipv6_add_addr+0x411/0x2000 [ 4846.182198][ T74] inet6_addr_add+0x30e/0xa40 [ 4846.182198][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4846.182198][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4846.182198][ T74] netlink_rcv_skb+0x130/0x360 [ 4846.182198][ T74] netlink_unicast+0x449/0x710 [ 4846.182198][ T74] netlink_sendmsg+0x723/0xbe0 [ 4846.182198][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4846.182198][ T74] ___sys_sendmsg+0xee/0x170 [ 4846.182198][ T74] __sys_sendmsg+0xcd/0x170 [ 4846.182198][ T74] do_syscall_64+0xc6/0x1e0 [ 4846.182198][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4846.182198][ T74] [ 4846.184203][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4846.184203][ T74] netdev_get_by_index+0x5e/0x80 [ 4846.184203][ T74] fib6_nh_init+0x3d8/0x1580 [ 4846.184203][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4846.184203][ T74] ip6_route_add+0x1c/0x140 [ 4846.184203][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4846.184203][ T74] addrconf_add_dev+0xe2/0x170 [ 4846.184203][ T74] inet6_addr_add+0x12f/0xa40 [ 4846.184203][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4846.184203][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4846.184203][ T74] netlink_rcv_skb+0x130/0x360 [ 4846.184203][ T74] netlink_unicast+0x449/0x710 [ 4846.184203][ T74] netlink_sendmsg+0x723/0xbe0 [ 4846.184203][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4846.184203][ T74] ___sys_sendmsg+0xee/0x170 [ 4846.184203][ T74] __sys_sendmsg+0xcd/0x170 [ 4846.184203][ T74] do_syscall_64+0xc6/0x1e0 [ 4846.184203][ T74] [ 4846.186173][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4846.186173][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4846.186173][ T74] ipv6_find_idev+0x102/0x170 [ 4846.186173][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4846.186173][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4846.186173][ T74] netlink_rcv_skb+0x130/0x360 [ 4846.186173][ T74] netlink_unicast+0x449/0x710 [ 4846.186173][ T74] netlink_sendmsg+0x723/0xbe0 [ 4846.186173][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4846.186173][ T74] ___sys_sendmsg+0xee/0x170 [ 4846.186173][ T74] __sys_sendmsg+0xcd/0x170 [ 4846.186173][ T74] do_syscall_64+0xc6/0x1e0 [ 4846.186173][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4846.186173][ T74] [ 4846.187705][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4846.187705][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4846.187705][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4846.187705][ T74] ipv6_find_idev+0x102/0x170 [ 4846.187705][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4846.187705][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4846.187705][ T74] netlink_rcv_skb+0x130/0x360 [ 4846.187705][ T74] netlink_unicast+0x449/0x710 [ 4846.187705][ T74] netlink_sendmsg+0x723/0xbe0 [ 4846.187705][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4846.187705][ T74] ___sys_sendmsg+0xee/0x170 [ 4846.187705][ T74] __sys_sendmsg+0xcd/0x170 [ 4846.187705][ T74] do_syscall_64+0xc6/0x1e0 [ 4846.187705][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4846.187705][ T74] [ 4846.189394][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4846.189662][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4846.189662][ T74] dst_init+0x84/0x4a0 [ 4846.189662][ T74] dst_alloc+0x97/0x150 [ 4846.189662][ T74] ip6_dst_alloc+0x23/0x90 [ 4846.189662][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4846.189662][ T74] ip6_pol_route+0x56f/0x840 [ 4846.189662][ T74] fib6_rule_lookup+0x456/0x630 [ 4846.189662][ T74] ip6_route_input+0x59c/0xa50 [ 4846.189662][ T74] ipv6_rcv+0x397/0x810 [ 4846.189662][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4846.189662][ T74] process_backlog+0x101/0x620 [ 4846.189662][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4846.189662][ T74] net_rx_action+0x495/0xbe0 [ 4846.189662][ T74] __do_softirq+0x1b5/0x7f6 [ 4846.189662][ T74] [ 4846.191295][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4846.191295][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4846.191295][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4846.191295][ T74] fib6_nh_init+0xa22/0x1580 [ 4846.191295][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4846.191295][ T74] ip6_route_add+0x1c/0x140 [ 4846.191295][ T74] inet6_rtm_newroute+0x104/0x110 [ 4846.191295][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4846.191295][ T74] netlink_rcv_skb+0x130/0x360 [ 4846.191295][ T74] netlink_unicast+0x449/0x710 [ 4846.191295][ T74] netlink_sendmsg+0x723/0xbe0 [ 4846.191295][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4846.191295][ T74] ___sys_sendmsg+0xee/0x170 [ 4846.191295][ T74] __sys_sendmsg+0xcd/0x170 [ 4846.191295][ T74] do_syscall_64+0xc6/0x1e0 [ 4846.191295][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4846.191295][ T74] [ 4846.193158][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4846.193158][ T74] netdev_get_by_index+0x5e/0x80 [ 4846.193158][ T74] fib6_nh_init+0x3d8/0x1580 [ 4846.193158][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4846.193158][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4846.193158][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4846.193158][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4846.193158][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4846.193158][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4846.193158][ T74] addrconf_dad_begin+0x310/0x670 [ 4846.193158][ T74] addrconf_dad_work+0x10b/0xab0 [ 4846.193158][ T74] process_one_work+0x84d/0x18a0 [ 4846.193158][ T74] worker_thread+0x587/0xd30 [ 4846.193158][ T74] kthread+0x28a/0x350 [ 4846.193158][ T74] ret_from_fork+0x31/0x70 [ 4846.193158][ T74] ret_from_fork_asm+0x1a/0x30 [ 4846.193158][ T74] [ 4846.195098][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4846.195098][ T74] netdev_get_by_index+0x5e/0x80 [ 4846.195098][ T74] fib6_nh_init+0x3d8/0x1580 [ 4846.195098][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4846.195098][ T74] ip6_route_add+0x1c/0x140 [ 4846.195098][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4846.195098][ T74] inet6_addr_add+0x4f8/0xa40 [ 4846.195098][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4846.195098][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4846.195098][ T74] netlink_rcv_skb+0x130/0x360 [ 4846.195098][ T74] netlink_unicast+0x449/0x710 [ 4846.195098][ T74] netlink_sendmsg+0x723/0xbe0 [ 4846.195098][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4846.195098][ T74] ___sys_sendmsg+0xee/0x170 [ 4846.195098][ T74] __sys_sendmsg+0xcd/0x170 [ 4846.195098][ T74] do_syscall_64+0xc6/0x1e0 [ 4846.195098][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4846.195098][ T74] [ 4846.197098][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4846.197098][ T74] netdev_get_by_index+0x5e/0x80 [ 4846.197098][ T74] fib6_nh_init+0x3d8/0x1580 [ 4846.197098][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4846.197098][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4846.197098][ T74] ipv6_add_addr+0x411/0x2000 [ 4846.197098][ T74] inet6_addr_add+0x30e/0xa40 [ 4846.197098][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4846.197098][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4846.197098][ T74] netlink_rcv_skb+0x130/0x360 [ 4846.197098][ T74] netlink_unicast+0x449/0x710 [ 4846.197098][ T74] netlink_sendmsg+0x723/0xbe0 [ 4846.197098][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4846.197098][ T74] ___sys_sendmsg+0xee/0x170 [ 4846.197098][ T74] __sys_sendmsg+0xcd/0x170 [ 4846.197098][ T74] do_syscall_64+0xc6/0x1e0 [ 4846.197098][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4846.197098][ T74] [ 4846.199089][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4846.199089][ T74] netdev_get_by_index+0x5e/0x80 [ 4846.199089][ T74] fib6_nh_init+0x3d8/0x1580 [ 4846.199089][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4846.199089][ T74] ip6_route_add+0x1c/0x140 [ 4846.199089][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4846.199089][ T74] addrconf_add_dev+0xe2/0x170 [ 4846.199089][ T74] inet6_addr_add+0x12f/0xa40 [ 4846.199089][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4846.199089][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4846.199089][ T74] netlink_rcv_skb+0x130/0x360 [ 4846.199089][ T74] netlink_unicast+0x449/0x710 [ 4846.199089][ T74] netlink_sendmsg+0x723/0xbe0 [ 4846.199089][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4846.199089][ T74] ___sys_sendmsg+0xee/0x170 [ 4846.199089][ T74] __sys_sendmsg+0xcd/0x170 [ 4846.199089][ T74] do_syscall_64+0xc6/0x1e0 [ 4846.199089][ T74] [ 4846.201039][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4846.201039][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4846.201039][ T74] ipv6_find_idev+0x102/0x170 [ 4846.201039][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4846.201039][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4846.201039][ T74] netlink_rcv_skb+0x130/0x360 [ 4846.201039][ T74] netlink_unicast+0x449/0x710 [ 4846.201039][ T74] netlink_sendmsg+0x723/0xbe0 [ 4846.201039][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4846.201039][ T74] ___sys_sendmsg+0xee/0x170 [ 4846.201039][ T74] __sys_sendmsg+0xcd/0x170 [ 4846.201039][ T74] do_syscall_64+0xc6/0x1e0 [ 4846.201039][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4846.201039][ T74] [ 4846.203228][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4846.203228][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4846.203228][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4846.203228][ T74] ipv6_find_idev+0x102/0x170 [ 4846.203228][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4846.203228][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4846.203228][ T74] netlink_rcv_skb+0x130/0x360 [ 4846.203228][ T74] netlink_unicast+0x449/0x710 [ 4846.203228][ T74] netlink_sendmsg+0x723/0xbe0 [ 4846.203228][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4846.203228][ T74] ___sys_sendmsg+0xee/0x170 [ 4846.203228][ T74] __sys_sendmsg+0xcd/0x170 [ 4846.203228][ T74] do_syscall_64+0xc6/0x1e0 [ 4846.203228][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4846.203228][ T74] [ 4846.205143][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4846.205386][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4846.205386][ T74] netdev_get_by_index+0x5e/0x80 [ 4846.205386][ T74] fib6_nh_init+0x3d8/0x1580 [ 4846.205386][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4846.205386][ T74] ip6_route_add+0x1c/0x140 [ 4846.205386][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4846.205386][ T74] inet6_addr_add+0x4f8/0xa40 [ 4846.205386][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4846.205386][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4846.205386][ T74] netlink_rcv_skb+0x130/0x360 [ 4846.205386][ T74] netlink_unicast+0x449/0x710 [ 4846.205386][ T74] netlink_sendmsg+0x723/0xbe0 [ 4846.205386][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4846.205386][ T74] ___sys_sendmsg+0xee/0x170 [ 4846.205386][ T74] __sys_sendmsg+0xcd/0x170 [ 4846.205386][ T74] do_syscall_64+0xc6/0x1e0 [ 4846.205386][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4846.205386][ T74] [ 4846.207632][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4846.207632][ T74] netdev_get_by_index+0x5e/0x80 [ 4846.207632][ T74] fib6_nh_init+0x3d8/0x1580 [ 4846.207632][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4846.207632][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4846.207632][ T74] ipv6_add_addr+0x411/0x2000 [ 4846.207632][ T74] inet6_addr_add+0x30e/0xa40 [ 4846.207632][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4846.207632][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4846.207632][ T74] netlink_rcv_skb+0x130/0x360 [ 4846.207632][ T74] netlink_unicast+0x449/0x710 [ 4846.207632][ T74] netlink_sendmsg+0x723/0xbe0 [ 4846.207632][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4846.207632][ T74] ___sys_sendmsg+0xee/0x170 [ 4846.207632][ T74] __sys_sendmsg+0xcd/0x170 [ 4846.207632][ T74] do_syscall_64+0xc6/0x1e0 [ 4846.207632][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4846.207632][ T74] [ 4846.209852][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4846.209852][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4846.209852][ T74] ipv6_find_idev+0x102/0x170 [ 4846.209852][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4846.209852][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4846.209852][ T74] netlink_rcv_skb+0x130/0x360 [ 4846.209852][ T74] netlink_unicast+0x449/0x710 [ 4846.209852][ T74] netlink_sendmsg+0x723/0xbe0 [ 4846.209852][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4846.209852][ T74] ___sys_sendmsg+0xee/0x170 [ 4846.209852][ T74] __sys_sendmsg+0xcd/0x170 [ 4846.209852][ T74] do_syscall_64+0xc6/0x1e0 [ 4846.209852][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4846.209852][ T74] [ 4846.211656][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4846.211656][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4846.211656][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4846.211656][ T74] ipv6_find_idev+0x102/0x170 [ 4846.211656][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4846.211656][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4846.211656][ T74] netlink_rcv_skb+0x130/0x360 [ 4846.211656][ T74] netlink_unicast+0x449/0x710 [ 4846.211656][ T74] netlink_sendmsg+0x723/0xbe0 [ 4846.211656][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4846.211656][ T74] ___sys_sendmsg+0xee/0x170 [ 4846.211656][ T74] __sys_sendmsg+0xcd/0x170 [ 4846.211656][ T74] do_syscall_64+0xc6/0x1e0 [ 4846.211656][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4846.211656][ T74] [ 4856.383969][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4856.384404][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4856.384404][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4856.384404][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4856.384404][ T74] fib6_nh_init+0xa22/0x1580 [ 4856.384404][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4856.384404][ T74] ip6_route_add+0x1c/0x140 [ 4856.384404][ T74] inet6_rtm_newroute+0x104/0x110 [ 4856.384404][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4856.384404][ T74] netlink_rcv_skb+0x130/0x360 [ 4856.384404][ T74] netlink_unicast+0x449/0x710 [ 4856.384404][ T74] netlink_sendmsg+0x723/0xbe0 [ 4856.384404][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4856.384404][ T74] ___sys_sendmsg+0xee/0x170 [ 4856.384404][ T74] __sys_sendmsg+0xcd/0x170 [ 4856.384404][ T74] do_syscall_64+0xc6/0x1e0 [ 4856.384404][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4856.384404][ T74] [ 4856.386345][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4856.386345][ T74] netdev_get_by_index+0x5e/0x80 [ 4856.386345][ T74] fib6_nh_init+0x3d8/0x1580 [ 4856.386345][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4856.386345][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4856.386345][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4856.386345][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4856.386345][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4856.386345][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4856.386345][ T74] addrconf_dad_begin+0x310/0x670 [ 4856.386345][ T74] addrconf_dad_work+0x10b/0xab0 [ 4856.386345][ T74] process_one_work+0x84d/0x18a0 [ 4856.386345][ T74] worker_thread+0x587/0xd30 [ 4856.386345][ T74] kthread+0x28a/0x350 [ 4856.386345][ T74] ret_from_fork+0x31/0x70 [ 4856.386345][ T74] ret_from_fork_asm+0x1a/0x30 [ 4856.386345][ T74] [ 4856.388247][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4856.388247][ T74] netdev_get_by_index+0x5e/0x80 [ 4856.388247][ T74] fib6_nh_init+0x3d8/0x1580 [ 4856.388247][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4856.388247][ T74] ip6_route_add+0x1c/0x140 [ 4856.388247][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4856.388247][ T74] inet6_addr_add+0x4f8/0xa40 [ 4856.388247][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4856.388247][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4856.388247][ T74] netlink_rcv_skb+0x130/0x360 [ 4856.388247][ T74] netlink_unicast+0x449/0x710 [ 4856.388247][ T74] netlink_sendmsg+0x723/0xbe0 [ 4856.388247][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4856.388247][ T74] ___sys_sendmsg+0xee/0x170 [ 4856.388247][ T74] __sys_sendmsg+0xcd/0x170 [ 4856.388247][ T74] do_syscall_64+0xc6/0x1e0 [ 4856.388247][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4856.388247][ T74] [ 4856.390230][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4856.390230][ T74] netdev_get_by_index+0x5e/0x80 [ 4856.390230][ T74] fib6_nh_init+0x3d8/0x1580 [ 4856.390230][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4856.390230][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4856.390230][ T74] ipv6_add_addr+0x411/0x2000 [ 4856.390230][ T74] inet6_addr_add+0x30e/0xa40 [ 4856.390230][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4856.390230][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4856.390230][ T74] netlink_rcv_skb+0x130/0x360 [ 4856.390230][ T74] netlink_unicast+0x449/0x710 [ 4856.390230][ T74] netlink_sendmsg+0x723/0xbe0 [ 4856.390230][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4856.390230][ T74] ___sys_sendmsg+0xee/0x170 [ 4856.390230][ T74] __sys_sendmsg+0xcd/0x170 [ 4856.390230][ T74] do_syscall_64+0xc6/0x1e0 [ 4856.390230][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4856.390230][ T74] [ 4856.392225][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4856.392225][ T74] netdev_get_by_index+0x5e/0x80 [ 4856.392225][ T74] fib6_nh_init+0x3d8/0x1580 [ 4856.392225][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4856.392225][ T74] ip6_route_add+0x1c/0x140 [ 4856.392225][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4856.392225][ T74] addrconf_add_dev+0xe2/0x170 [ 4856.392225][ T74] inet6_addr_add+0x12f/0xa40 [ 4856.392225][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4856.392225][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4856.392225][ T74] netlink_rcv_skb+0x130/0x360 [ 4856.392225][ T74] netlink_unicast+0x449/0x710 [ 4856.392225][ T74] netlink_sendmsg+0x723/0xbe0 [ 4856.392225][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4856.392225][ T74] ___sys_sendmsg+0xee/0x170 [ 4856.392225][ T74] __sys_sendmsg+0xcd/0x170 [ 4856.392225][ T74] do_syscall_64+0xc6/0x1e0 [ 4856.392225][ T74] [ 4856.394164][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4856.394164][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4856.394164][ T74] ipv6_find_idev+0x102/0x170 [ 4856.394164][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4856.394164][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4856.394164][ T74] netlink_rcv_skb+0x130/0x360 [ 4856.394164][ T74] netlink_unicast+0x449/0x710 [ 4856.394164][ T74] netlink_sendmsg+0x723/0xbe0 [ 4856.394164][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4856.394164][ T74] ___sys_sendmsg+0xee/0x170 [ 4856.394164][ T74] __sys_sendmsg+0xcd/0x170 [ 4856.394164][ T74] do_syscall_64+0xc6/0x1e0 [ 4856.394164][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4856.394164][ T74] [ 4856.395694][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4856.395694][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4856.395694][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4856.395694][ T74] ipv6_find_idev+0x102/0x170 [ 4856.395694][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4856.395694][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4856.395694][ T74] netlink_rcv_skb+0x130/0x360 [ 4856.395694][ T74] netlink_unicast+0x449/0x710 [ 4856.395694][ T74] netlink_sendmsg+0x723/0xbe0 [ 4856.395694][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4856.395694][ T74] ___sys_sendmsg+0xee/0x170 [ 4856.395694][ T74] __sys_sendmsg+0xcd/0x170 [ 4856.395694][ T74] do_syscall_64+0xc6/0x1e0 [ 4856.395694][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4856.395694][ T74] [ 4856.397384][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4856.397664][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4856.397664][ T74] dst_init+0x84/0x4a0 [ 4856.397664][ T74] dst_alloc+0x97/0x150 [ 4856.397664][ T74] ip6_dst_alloc+0x23/0x90 [ 4856.397664][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4856.397664][ T74] ip6_pol_route+0x56f/0x840 [ 4856.397664][ T74] fib6_rule_lookup+0x456/0x630 [ 4856.397664][ T74] ip6_route_input+0x59c/0xa50 [ 4856.397664][ T74] ipv6_rcv+0x397/0x810 [ 4856.397664][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4856.397664][ T74] process_backlog+0x101/0x620 [ 4856.397664][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4856.397664][ T74] net_rx_action+0x495/0xbe0 [ 4856.397664][ T74] __do_softirq+0x1b5/0x7f6 [ 4856.397664][ T74] [ 4856.399284][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4856.399284][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4856.399284][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4856.399284][ T74] fib6_nh_init+0xa22/0x1580 [ 4856.399284][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4856.399284][ T74] ip6_route_add+0x1c/0x140 [ 4856.399284][ T74] inet6_rtm_newroute+0x104/0x110 [ 4856.399284][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4856.399284][ T74] netlink_rcv_skb+0x130/0x360 [ 4856.399284][ T74] netlink_unicast+0x449/0x710 [ 4856.399284][ T74] netlink_sendmsg+0x723/0xbe0 [ 4856.399284][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4856.399284][ T74] ___sys_sendmsg+0xee/0x170 [ 4856.399284][ T74] __sys_sendmsg+0xcd/0x170 [ 4856.399284][ T74] do_syscall_64+0xc6/0x1e0 [ 4856.399284][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4856.399284][ T74] [ 4856.401141][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4856.401141][ T74] netdev_get_by_index+0x5e/0x80 [ 4856.401141][ T74] fib6_nh_init+0x3d8/0x1580 [ 4856.401141][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4856.401141][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4856.401141][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4856.401141][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4856.401141][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4856.401141][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4856.401141][ T74] addrconf_dad_begin+0x310/0x670 [ 4856.401141][ T74] addrconf_dad_work+0x10b/0xab0 [ 4856.401141][ T74] process_one_work+0x84d/0x18a0 [ 4856.401141][ T74] worker_thread+0x587/0xd30 [ 4856.401141][ T74] kthread+0x28a/0x350 [ 4856.401141][ T74] ret_from_fork+0x31/0x70 [ 4856.401141][ T74] ret_from_fork_asm+0x1a/0x30 [ 4856.401141][ T74] [ 4856.403034][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4856.403034][ T74] netdev_get_by_index+0x5e/0x80 [ 4856.403034][ T74] fib6_nh_init+0x3d8/0x1580 [ 4856.403034][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4856.403034][ T74] ip6_route_add+0x1c/0x140 [ 4856.403034][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4856.403034][ T74] inet6_addr_add+0x4f8/0xa40 [ 4856.403034][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4856.403034][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4856.403034][ T74] netlink_rcv_skb+0x130/0x360 [ 4856.403034][ T74] netlink_unicast+0x449/0x710 [ 4856.403034][ T74] netlink_sendmsg+0x723/0xbe0 [ 4856.403034][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4856.403034][ T74] ___sys_sendmsg+0xee/0x170 [ 4856.403034][ T74] __sys_sendmsg+0xcd/0x170 [ 4856.403034][ T74] do_syscall_64+0xc6/0x1e0 [ 4856.403034][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4856.403034][ T74] [ 4856.405039][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4856.405039][ T74] netdev_get_by_index+0x5e/0x80 [ 4856.405039][ T74] fib6_nh_init+0x3d8/0x1580 [ 4856.405039][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4856.405039][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4856.405039][ T74] ipv6_add_addr+0x411/0x2000 [ 4856.405039][ T74] inet6_addr_add+0x30e/0xa40 [ 4856.405039][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4856.405039][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4856.405039][ T74] netlink_rcv_skb+0x130/0x360 [ 4856.405039][ T74] netlink_unicast+0x449/0x710 [ 4856.405039][ T74] netlink_sendmsg+0x723/0xbe0 [ 4856.405039][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4856.405039][ T74] ___sys_sendmsg+0xee/0x170 [ 4856.405039][ T74] __sys_sendmsg+0xcd/0x170 [ 4856.405039][ T74] do_syscall_64+0xc6/0x1e0 [ 4856.405039][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4856.405039][ T74] [ 4856.407027][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4856.407027][ T74] netdev_get_by_index+0x5e/0x80 [ 4856.407027][ T74] fib6_nh_init+0x3d8/0x1580 [ 4856.407027][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4856.407027][ T74] ip6_route_add+0x1c/0x140 [ 4856.407027][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4856.407027][ T74] addrconf_add_dev+0xe2/0x170 [ 4856.407027][ T74] inet6_addr_add+0x12f/0xa40 [ 4856.407027][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4856.407027][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4856.407027][ T74] netlink_rcv_skb+0x130/0x360 [ 4856.407027][ T74] netlink_unicast+0x449/0x710 [ 4856.407027][ T74] netlink_sendmsg+0x723/0xbe0 [ 4856.407027][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4856.407027][ T74] ___sys_sendmsg+0xee/0x170 [ 4856.407027][ T74] __sys_sendmsg+0xcd/0x170 [ 4856.407027][ T74] do_syscall_64+0xc6/0x1e0 [ 4856.407027][ T74] [ 4856.408958][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4856.408958][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4856.408958][ T74] ipv6_find_idev+0x102/0x170 [ 4856.408958][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4856.408958][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4856.408958][ T74] netlink_rcv_skb+0x130/0x360 [ 4856.408958][ T74] netlink_unicast+0x449/0x710 [ 4856.408958][ T74] netlink_sendmsg+0x723/0xbe0 [ 4856.408958][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4856.408958][ T74] ___sys_sendmsg+0xee/0x170 [ 4856.408958][ T74] __sys_sendmsg+0xcd/0x170 [ 4856.408958][ T74] do_syscall_64+0xc6/0x1e0 [ 4856.408958][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4856.408958][ T74] [ 4856.410660][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4856.410660][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4856.410660][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4856.410660][ T74] ipv6_find_idev+0x102/0x170 [ 4856.410660][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4856.410660][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4856.410660][ T74] netlink_rcv_skb+0x130/0x360 [ 4856.410660][ T74] netlink_unicast+0x449/0x710 [ 4856.410660][ T74] netlink_sendmsg+0x723/0xbe0 [ 4856.410660][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4856.410660][ T74] ___sys_sendmsg+0xee/0x170 [ 4856.410660][ T74] __sys_sendmsg+0xcd/0x170 [ 4856.410660][ T74] do_syscall_64+0xc6/0x1e0 [ 4856.410660][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4856.410660][ T74] [ 4856.412568][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4856.412807][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4856.412807][ T74] netdev_get_by_index+0x5e/0x80 [ 4856.412807][ T74] fib6_nh_init+0x3d8/0x1580 [ 4856.412807][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4856.412807][ T74] ip6_route_add+0x1c/0x140 [ 4856.412807][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4856.412807][ T74] inet6_addr_add+0x4f8/0xa40 [ 4856.412807][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4856.412807][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4856.412807][ T74] netlink_rcv_skb+0x130/0x360 [ 4856.412807][ T74] netlink_unicast+0x449/0x710 [ 4856.412807][ T74] netlink_sendmsg+0x723/0xbe0 [ 4856.412807][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4856.412807][ T74] ___sys_sendmsg+0xee/0x170 [ 4856.412807][ T74] __sys_sendmsg+0xcd/0x170 [ 4856.412807][ T74] do_syscall_64+0xc6/0x1e0 [ 4856.412807][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4856.412807][ T74] [ 4856.415020][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4856.415020][ T74] netdev_get_by_index+0x5e/0x80 [ 4856.415020][ T74] fib6_nh_init+0x3d8/0x1580 [ 4856.415020][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4856.415020][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4856.415020][ T74] ipv6_add_addr+0x411/0x2000 [ 4856.415020][ T74] inet6_addr_add+0x30e/0xa40 [ 4856.415020][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4856.415020][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4856.415020][ T74] netlink_rcv_skb+0x130/0x360 [ 4856.415020][ T74] netlink_unicast+0x449/0x710 [ 4856.415020][ T74] netlink_sendmsg+0x723/0xbe0 [ 4856.415020][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4856.415020][ T74] ___sys_sendmsg+0xee/0x170 [ 4856.415020][ T74] __sys_sendmsg+0xcd/0x170 [ 4856.415020][ T74] do_syscall_64+0xc6/0x1e0 [ 4856.415020][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4856.415020][ T74] [ 4856.417238][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4856.417238][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4856.417238][ T74] ipv6_find_idev+0x102/0x170 [ 4856.417238][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4856.417238][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4856.417238][ T74] netlink_rcv_skb+0x130/0x360 [ 4856.417238][ T74] netlink_unicast+0x449/0x710 [ 4856.417238][ T74] netlink_sendmsg+0x723/0xbe0 [ 4856.417238][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4856.417238][ T74] ___sys_sendmsg+0xee/0x170 [ 4856.417238][ T74] __sys_sendmsg+0xcd/0x170 [ 4856.417238][ T74] do_syscall_64+0xc6/0x1e0 [ 4856.417238][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4856.417238][ T74] [ 4856.418950][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4856.418950][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4856.418950][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4856.418950][ T74] ipv6_find_idev+0x102/0x170 [ 4856.418950][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4856.418950][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4856.418950][ T74] netlink_rcv_skb+0x130/0x360 [ 4856.418950][ T74] netlink_unicast+0x449/0x710 [ 4856.418950][ T74] netlink_sendmsg+0x723/0xbe0 [ 4856.418950][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4856.418950][ T74] ___sys_sendmsg+0xee/0x170 [ 4856.418950][ T74] __sys_sendmsg+0xcd/0x170 [ 4856.418950][ T74] do_syscall_64+0xc6/0x1e0 [ 4856.418950][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4856.418950][ T74] [ 4866.608063][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4866.608570][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4866.608570][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4866.608570][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4866.608570][ T74] fib6_nh_init+0xa22/0x1580 [ 4866.608570][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4866.608570][ T74] ip6_route_add+0x1c/0x140 [ 4866.608570][ T74] inet6_rtm_newroute+0x104/0x110 [ 4866.608570][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4866.608570][ T74] netlink_rcv_skb+0x130/0x360 [ 4866.608570][ T74] netlink_unicast+0x449/0x710 [ 4866.608570][ T74] netlink_sendmsg+0x723/0xbe0 [ 4866.608570][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4866.608570][ T74] ___sys_sendmsg+0xee/0x170 [ 4866.608570][ T74] __sys_sendmsg+0xcd/0x170 [ 4866.608570][ T74] do_syscall_64+0xc6/0x1e0 [ 4866.608570][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4866.608570][ T74] [ 4866.610523][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4866.610523][ T74] netdev_get_by_index+0x5e/0x80 [ 4866.610523][ T74] fib6_nh_init+0x3d8/0x1580 [ 4866.610523][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4866.610523][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4866.610523][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4866.610523][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4866.610523][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4866.610523][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4866.610523][ T74] addrconf_dad_begin+0x310/0x670 [ 4866.610523][ T74] addrconf_dad_work+0x10b/0xab0 [ 4866.610523][ T74] process_one_work+0x84d/0x18a0 [ 4866.610523][ T74] worker_thread+0x587/0xd30 [ 4866.610523][ T74] kthread+0x28a/0x350 [ 4866.610523][ T74] ret_from_fork+0x31/0x70 [ 4866.610523][ T74] ret_from_fork_asm+0x1a/0x30 [ 4866.610523][ T74] [ 4866.612481][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4866.612481][ T74] netdev_get_by_index+0x5e/0x80 [ 4866.612481][ T74] fib6_nh_init+0x3d8/0x1580 [ 4866.612481][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4866.612481][ T74] ip6_route_add+0x1c/0x140 [ 4866.612481][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4866.612481][ T74] inet6_addr_add+0x4f8/0xa40 [ 4866.612481][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4866.612481][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4866.612481][ T74] netlink_rcv_skb+0x130/0x360 [ 4866.612481][ T74] netlink_unicast+0x449/0x710 [ 4866.612481][ T74] netlink_sendmsg+0x723/0xbe0 [ 4866.612481][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4866.612481][ T74] ___sys_sendmsg+0xee/0x170 [ 4866.612481][ T74] __sys_sendmsg+0xcd/0x170 [ 4866.612481][ T74] do_syscall_64+0xc6/0x1e0 [ 4866.612481][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4866.612481][ T74] [ 4866.614508][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4866.614508][ T74] netdev_get_by_index+0x5e/0x80 [ 4866.614508][ T74] fib6_nh_init+0x3d8/0x1580 [ 4866.614508][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4866.614508][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4866.614508][ T74] ipv6_add_addr+0x411/0x2000 [ 4866.614508][ T74] inet6_addr_add+0x30e/0xa40 [ 4866.614508][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4866.614508][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4866.614508][ T74] netlink_rcv_skb+0x130/0x360 [ 4866.614508][ T74] netlink_unicast+0x449/0x710 [ 4866.614508][ T74] netlink_sendmsg+0x723/0xbe0 [ 4866.614508][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4866.614508][ T74] ___sys_sendmsg+0xee/0x170 [ 4866.614508][ T74] __sys_sendmsg+0xcd/0x170 [ 4866.614508][ T74] do_syscall_64+0xc6/0x1e0 [ 4866.614508][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4866.614508][ T74] [ 4866.616544][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4866.616544][ T74] netdev_get_by_index+0x5e/0x80 [ 4866.616544][ T74] fib6_nh_init+0x3d8/0x1580 [ 4866.616544][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4866.616544][ T74] ip6_route_add+0x1c/0x140 [ 4866.616544][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4866.616544][ T74] addrconf_add_dev+0xe2/0x170 [ 4866.616544][ T74] inet6_addr_add+0x12f/0xa40 [ 4866.616544][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4866.616544][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4866.616544][ T74] netlink_rcv_skb+0x130/0x360 [ 4866.616544][ T74] netlink_unicast+0x449/0x710 [ 4866.616544][ T74] netlink_sendmsg+0x723/0xbe0 [ 4866.616544][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4866.616544][ T74] ___sys_sendmsg+0xee/0x170 [ 4866.616544][ T74] __sys_sendmsg+0xcd/0x170 [ 4866.616544][ T74] do_syscall_64+0xc6/0x1e0 [ 4866.616544][ T74] [ 4866.618531][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4866.618531][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4866.618531][ T74] ipv6_find_idev+0x102/0x170 [ 4866.618531][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4866.618531][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4866.618531][ T74] netlink_rcv_skb+0x130/0x360 [ 4866.618531][ T74] netlink_unicast+0x449/0x710 [ 4866.618531][ T74] netlink_sendmsg+0x723/0xbe0 [ 4866.618531][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4866.618531][ T74] ___sys_sendmsg+0xee/0x170 [ 4866.618531][ T74] __sys_sendmsg+0xcd/0x170 [ 4866.618531][ T74] do_syscall_64+0xc6/0x1e0 [ 4866.618531][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4866.618531][ T74] [ 4866.620110][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4866.620110][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4866.620110][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4866.620110][ T74] ipv6_find_idev+0x102/0x170 [ 4866.620110][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4866.620110][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4866.620110][ T74] netlink_rcv_skb+0x130/0x360 [ 4866.620110][ T74] netlink_unicast+0x449/0x710 [ 4866.620110][ T74] netlink_sendmsg+0x723/0xbe0 [ 4866.620110][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4866.620110][ T74] ___sys_sendmsg+0xee/0x170 [ 4866.620110][ T74] __sys_sendmsg+0xcd/0x170 [ 4866.620110][ T74] do_syscall_64+0xc6/0x1e0 [ 4866.620110][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4866.620110][ T74] [ 4866.621866][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4866.622146][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4866.622146][ T74] dst_init+0x84/0x4a0 [ 4866.622146][ T74] dst_alloc+0x97/0x150 [ 4866.622146][ T74] ip6_dst_alloc+0x23/0x90 [ 4866.622146][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4866.622146][ T74] ip6_pol_route+0x56f/0x840 [ 4866.622146][ T74] fib6_rule_lookup+0x456/0x630 [ 4866.622146][ T74] ip6_route_input+0x59c/0xa50 [ 4866.622146][ T74] ipv6_rcv+0x397/0x810 [ 4866.622146][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4866.622146][ T74] process_backlog+0x101/0x620 [ 4866.622146][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4866.622146][ T74] net_rx_action+0x495/0xbe0 [ 4866.622146][ T74] __do_softirq+0x1b5/0x7f6 [ 4866.622146][ T74] [ 4866.623815][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4866.623815][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4866.623815][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4866.623815][ T74] fib6_nh_init+0xa22/0x1580 [ 4866.623815][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4866.623815][ T74] ip6_route_add+0x1c/0x140 [ 4866.623815][ T74] inet6_rtm_newroute+0x104/0x110 [ 4866.623815][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4866.623815][ T74] netlink_rcv_skb+0x130/0x360 [ 4866.623815][ T74] netlink_unicast+0x449/0x710 [ 4866.623815][ T74] netlink_sendmsg+0x723/0xbe0 [ 4866.623815][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4866.623815][ T74] ___sys_sendmsg+0xee/0x170 [ 4866.623815][ T74] __sys_sendmsg+0xcd/0x170 [ 4866.623815][ T74] do_syscall_64+0xc6/0x1e0 [ 4866.623815][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4866.623815][ T74] [ 4866.625725][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4866.625725][ T74] netdev_get_by_index+0x5e/0x80 [ 4866.625725][ T74] fib6_nh_init+0x3d8/0x1580 [ 4866.625725][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4866.625725][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4866.625725][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4866.625725][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4866.625725][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4866.625725][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4866.625725][ T74] addrconf_dad_begin+0x310/0x670 [ 4866.625725][ T74] addrconf_dad_work+0x10b/0xab0 [ 4866.625725][ T74] process_one_work+0x84d/0x18a0 [ 4866.625725][ T74] worker_thread+0x587/0xd30 [ 4866.625725][ T74] kthread+0x28a/0x350 [ 4866.625725][ T74] ret_from_fork+0x31/0x70 [ 4866.625725][ T74] ret_from_fork_asm+0x1a/0x30 [ 4866.625725][ T74] [ 4866.627656][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4866.627656][ T74] netdev_get_by_index+0x5e/0x80 [ 4866.627656][ T74] fib6_nh_init+0x3d8/0x1580 [ 4866.627656][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4866.627656][ T74] ip6_route_add+0x1c/0x140 [ 4866.627656][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4866.627656][ T74] inet6_addr_add+0x4f8/0xa40 [ 4866.627656][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4866.627656][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4866.627656][ T74] netlink_rcv_skb+0x130/0x360 [ 4866.627656][ T74] netlink_unicast+0x449/0x710 [ 4866.627656][ T74] netlink_sendmsg+0x723/0xbe0 [ 4866.627656][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4866.627656][ T74] ___sys_sendmsg+0xee/0x170 [ 4866.627656][ T74] __sys_sendmsg+0xcd/0x170 [ 4866.627656][ T74] do_syscall_64+0xc6/0x1e0 [ 4866.627656][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4866.627656][ T74] [ 4866.629677][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4866.629677][ T74] netdev_get_by_index+0x5e/0x80 [ 4866.629677][ T74] fib6_nh_init+0x3d8/0x1580 [ 4866.629677][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4866.629677][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4866.629677][ T74] ipv6_add_addr+0x411/0x2000 [ 4866.629677][ T74] inet6_addr_add+0x30e/0xa40 [ 4866.629677][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4866.629677][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4866.629677][ T74] netlink_rcv_skb+0x130/0x360 [ 4866.629677][ T74] netlink_unicast+0x449/0x710 [ 4866.629677][ T74] netlink_sendmsg+0x723/0xbe0 [ 4866.629677][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4866.629677][ T74] ___sys_sendmsg+0xee/0x170 [ 4866.629677][ T74] __sys_sendmsg+0xcd/0x170 [ 4866.629677][ T74] do_syscall_64+0xc6/0x1e0 [ 4866.629677][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4866.629677][ T74] [ 4866.631697][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4866.631697][ T74] netdev_get_by_index+0x5e/0x80 [ 4866.631697][ T74] fib6_nh_init+0x3d8/0x1580 [ 4866.631697][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4866.631697][ T74] ip6_route_add+0x1c/0x140 [ 4866.631697][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4866.631697][ T74] addrconf_add_dev+0xe2/0x170 [ 4866.631697][ T74] inet6_addr_add+0x12f/0xa40 [ 4866.631697][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4866.631697][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4866.631697][ T74] netlink_rcv_skb+0x130/0x360 [ 4866.631697][ T74] netlink_unicast+0x449/0x710 [ 4866.631697][ T74] netlink_sendmsg+0x723/0xbe0 [ 4866.631697][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4866.631697][ T74] ___sys_sendmsg+0xee/0x170 [ 4866.631697][ T74] __sys_sendmsg+0xcd/0x170 [ 4866.631697][ T74] do_syscall_64+0xc6/0x1e0 [ 4866.631697][ T74] [ 4866.633684][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4866.633684][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4866.633684][ T74] ipv6_find_idev+0x102/0x170 [ 4866.633684][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4866.633684][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4866.633684][ T74] netlink_rcv_skb+0x130/0x360 [ 4866.633684][ T74] netlink_unicast+0x449/0x710 [ 4866.633684][ T74] netlink_sendmsg+0x723/0xbe0 [ 4866.633684][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4866.633684][ T74] ___sys_sendmsg+0xee/0x170 [ 4866.633684][ T74] __sys_sendmsg+0xcd/0x170 [ 4866.633684][ T74] do_syscall_64+0xc6/0x1e0 [ 4866.633684][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4866.633684][ T74] [ 4866.635432][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4866.635432][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4866.635432][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4866.635432][ T74] ipv6_find_idev+0x102/0x170 [ 4866.635432][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4866.635432][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4866.635432][ T74] netlink_rcv_skb+0x130/0x360 [ 4866.635432][ T74] netlink_unicast+0x449/0x710 [ 4866.635432][ T74] netlink_sendmsg+0x723/0xbe0 [ 4866.635432][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4866.635432][ T74] ___sys_sendmsg+0xee/0x170 [ 4866.635432][ T74] __sys_sendmsg+0xcd/0x170 [ 4866.635432][ T74] do_syscall_64+0xc6/0x1e0 [ 4866.635432][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4866.635432][ T74] [ 4866.637414][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4866.637713][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4866.637713][ T74] netdev_get_by_index+0x5e/0x80 [ 4866.637713][ T74] fib6_nh_init+0x3d8/0x1580 [ 4866.637713][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4866.637713][ T74] ip6_route_add+0x1c/0x140 [ 4866.637713][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4866.637713][ T74] inet6_addr_add+0x4f8/0xa40 [ 4866.637713][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4866.637713][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4866.637713][ T74] netlink_rcv_skb+0x130/0x360 [ 4866.637713][ T74] netlink_unicast+0x449/0x710 [ 4866.637713][ T74] netlink_sendmsg+0x723/0xbe0 [ 4866.637713][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4866.637713][ T74] ___sys_sendmsg+0xee/0x170 [ 4866.637713][ T74] __sys_sendmsg+0xcd/0x170 [ 4866.637713][ T74] do_syscall_64+0xc6/0x1e0 [ 4866.637713][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4866.637713][ T74] [ 4866.639923][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4866.639923][ T74] netdev_get_by_index+0x5e/0x80 [ 4866.639923][ T74] fib6_nh_init+0x3d8/0x1580 [ 4866.639923][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4866.639923][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4866.639923][ T74] ipv6_add_addr+0x411/0x2000 [ 4866.639923][ T74] inet6_addr_add+0x30e/0xa40 [ 4866.639923][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4866.639923][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4866.639923][ T74] netlink_rcv_skb+0x130/0x360 [ 4866.639923][ T74] netlink_unicast+0x449/0x710 [ 4866.639923][ T74] netlink_sendmsg+0x723/0xbe0 [ 4866.639923][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4866.639923][ T74] ___sys_sendmsg+0xee/0x170 [ 4866.639923][ T74] __sys_sendmsg+0xcd/0x170 [ 4866.639923][ T74] do_syscall_64+0xc6/0x1e0 [ 4866.639923][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4866.639923][ T74] [ 4866.642185][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4866.642185][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4866.642185][ T74] ipv6_find_idev+0x102/0x170 [ 4866.642185][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4866.642185][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4866.642185][ T74] netlink_rcv_skb+0x130/0x360 [ 4866.642185][ T74] netlink_unicast+0x449/0x710 [ 4866.642185][ T74] netlink_sendmsg+0x723/0xbe0 [ 4866.642185][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4866.642185][ T74] ___sys_sendmsg+0xee/0x170 [ 4866.642185][ T74] __sys_sendmsg+0xcd/0x170 [ 4866.642185][ T74] do_syscall_64+0xc6/0x1e0 [ 4866.642185][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4866.642185][ T74] [ 4866.643929][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4866.643929][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4866.643929][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4866.643929][ T74] ipv6_find_idev+0x102/0x170 [ 4866.643929][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4866.643929][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4866.643929][ T74] netlink_rcv_skb+0x130/0x360 [ 4866.643929][ T74] netlink_unicast+0x449/0x710 [ 4866.643929][ T74] netlink_sendmsg+0x723/0xbe0 [ 4866.643929][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4866.643929][ T74] ___sys_sendmsg+0xee/0x170 [ 4866.643929][ T74] __sys_sendmsg+0xcd/0x170 [ 4866.643929][ T74] do_syscall_64+0xc6/0x1e0 [ 4866.643929][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4866.643929][ T74] [ 4876.887963][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4876.888433][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4876.888433][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4876.888433][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4876.888433][ T74] fib6_nh_init+0xa22/0x1580 [ 4876.888433][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4876.888433][ T74] ip6_route_add+0x1c/0x140 [ 4876.888433][ T74] inet6_rtm_newroute+0x104/0x110 [ 4876.888433][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4876.888433][ T74] netlink_rcv_skb+0x130/0x360 [ 4876.888433][ T74] netlink_unicast+0x449/0x710 [ 4876.888433][ T74] netlink_sendmsg+0x723/0xbe0 [ 4876.888433][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4876.888433][ T74] ___sys_sendmsg+0xee/0x170 [ 4876.888433][ T74] __sys_sendmsg+0xcd/0x170 [ 4876.888433][ T74] do_syscall_64+0xc6/0x1e0 [ 4876.888433][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4876.888433][ T74] [ 4876.890363][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4876.890363][ T74] netdev_get_by_index+0x5e/0x80 [ 4876.890363][ T74] fib6_nh_init+0x3d8/0x1580 [ 4876.890363][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4876.890363][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4876.890363][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4876.890363][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4876.890363][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4876.890363][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4876.890363][ T74] addrconf_dad_begin+0x310/0x670 [ 4876.890363][ T74] addrconf_dad_work+0x10b/0xab0 [ 4876.890363][ T74] process_one_work+0x84d/0x18a0 [ 4876.890363][ T74] worker_thread+0x587/0xd30 [ 4876.890363][ T74] kthread+0x28a/0x350 [ 4876.890363][ T74] ret_from_fork+0x31/0x70 [ 4876.890363][ T74] ret_from_fork_asm+0x1a/0x30 [ 4876.890363][ T74] [ 4876.892302][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4876.892302][ T74] netdev_get_by_index+0x5e/0x80 [ 4876.892302][ T74] fib6_nh_init+0x3d8/0x1580 [ 4876.892302][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4876.892302][ T74] ip6_route_add+0x1c/0x140 [ 4876.892302][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4876.892302][ T74] inet6_addr_add+0x4f8/0xa40 [ 4876.892302][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4876.892302][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4876.892302][ T74] netlink_rcv_skb+0x130/0x360 [ 4876.892302][ T74] netlink_unicast+0x449/0x710 [ 4876.892302][ T74] netlink_sendmsg+0x723/0xbe0 [ 4876.892302][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4876.892302][ T74] ___sys_sendmsg+0xee/0x170 [ 4876.892302][ T74] __sys_sendmsg+0xcd/0x170 [ 4876.892302][ T74] do_syscall_64+0xc6/0x1e0 [ 4876.892302][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4876.892302][ T74] [ 4876.894320][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4876.894320][ T74] netdev_get_by_index+0x5e/0x80 [ 4876.894320][ T74] fib6_nh_init+0x3d8/0x1580 [ 4876.894320][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4876.894320][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4876.894320][ T74] ipv6_add_addr+0x411/0x2000 [ 4876.894320][ T74] inet6_addr_add+0x30e/0xa40 [ 4876.894320][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4876.894320][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4876.894320][ T74] netlink_rcv_skb+0x130/0x360 [ 4876.894320][ T74] netlink_unicast+0x449/0x710 [ 4876.894320][ T74] netlink_sendmsg+0x723/0xbe0 [ 4876.894320][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4876.894320][ T74] ___sys_sendmsg+0xee/0x170 [ 4876.894320][ T74] __sys_sendmsg+0xcd/0x170 [ 4876.894320][ T74] do_syscall_64+0xc6/0x1e0 [ 4876.894320][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4876.894320][ T74] [ 4876.896365][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4876.896365][ T74] netdev_get_by_index+0x5e/0x80 [ 4876.896365][ T74] fib6_nh_init+0x3d8/0x1580 [ 4876.896365][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4876.896365][ T74] ip6_route_add+0x1c/0x140 [ 4876.896365][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4876.896365][ T74] addrconf_add_dev+0xe2/0x170 [ 4876.896365][ T74] inet6_addr_add+0x12f/0xa40 [ 4876.896365][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4876.896365][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4876.896365][ T74] netlink_rcv_skb+0x130/0x360 [ 4876.896365][ T74] netlink_unicast+0x449/0x710 [ 4876.896365][ T74] netlink_sendmsg+0x723/0xbe0 [ 4876.896365][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4876.896365][ T74] ___sys_sendmsg+0xee/0x170 [ 4876.896365][ T74] __sys_sendmsg+0xcd/0x170 [ 4876.896365][ T74] do_syscall_64+0xc6/0x1e0 [ 4876.896365][ T74] [ 4876.898455][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4876.898455][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4876.898455][ T74] ipv6_find_idev+0x102/0x170 [ 4876.898455][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4876.898455][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4876.898455][ T74] netlink_rcv_skb+0x130/0x360 [ 4876.898455][ T74] netlink_unicast+0x449/0x710 [ 4876.898455][ T74] netlink_sendmsg+0x723/0xbe0 [ 4876.898455][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4876.898455][ T74] ___sys_sendmsg+0xee/0x170 [ 4876.898455][ T74] __sys_sendmsg+0xcd/0x170 [ 4876.898455][ T74] do_syscall_64+0xc6/0x1e0 [ 4876.898455][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4876.898455][ T74] [ 4876.900038][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4876.900038][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4876.900038][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4876.900038][ T74] ipv6_find_idev+0x102/0x170 [ 4876.900038][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4876.900038][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4876.900038][ T74] netlink_rcv_skb+0x130/0x360 [ 4876.900038][ T74] netlink_unicast+0x449/0x710 [ 4876.900038][ T74] netlink_sendmsg+0x723/0xbe0 [ 4876.900038][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4876.900038][ T74] ___sys_sendmsg+0xee/0x170 [ 4876.900038][ T74] __sys_sendmsg+0xcd/0x170 [ 4876.900038][ T74] do_syscall_64+0xc6/0x1e0 [ 4876.900038][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4876.900038][ T74] [ 4876.901754][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4876.902058][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4876.902058][ T74] dst_init+0x84/0x4a0 [ 4876.902058][ T74] dst_alloc+0x97/0x150 [ 4876.902058][ T74] ip6_dst_alloc+0x23/0x90 [ 4876.902058][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4876.902058][ T74] ip6_pol_route+0x56f/0x840 [ 4876.902058][ T74] fib6_rule_lookup+0x456/0x630 [ 4876.902058][ T74] ip6_route_input+0x59c/0xa50 [ 4876.902058][ T74] ipv6_rcv+0x397/0x810 [ 4876.902058][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4876.902058][ T74] process_backlog+0x101/0x620 [ 4876.902058][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4876.902058][ T74] net_rx_action+0x495/0xbe0 [ 4876.902058][ T74] __do_softirq+0x1b5/0x7f6 [ 4876.902058][ T74] [ 4876.903716][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4876.903716][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4876.903716][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4876.903716][ T74] fib6_nh_init+0xa22/0x1580 [ 4876.903716][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4876.903716][ T74] ip6_route_add+0x1c/0x140 [ 4876.903716][ T74] inet6_rtm_newroute+0x104/0x110 [ 4876.903716][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4876.903716][ T74] netlink_rcv_skb+0x130/0x360 [ 4876.903716][ T74] netlink_unicast+0x449/0x710 [ 4876.903716][ T74] netlink_sendmsg+0x723/0xbe0 [ 4876.903716][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4876.903716][ T74] ___sys_sendmsg+0xee/0x170 [ 4876.903716][ T74] __sys_sendmsg+0xcd/0x170 [ 4876.903716][ T74] do_syscall_64+0xc6/0x1e0 [ 4876.903716][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4876.903716][ T74] [ 4876.905631][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4876.905631][ T74] netdev_get_by_index+0x5e/0x80 [ 4876.905631][ T74] fib6_nh_init+0x3d8/0x1580 [ 4876.905631][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4876.905631][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4876.905631][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4876.905631][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4876.905631][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4876.905631][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4876.905631][ T74] addrconf_dad_begin+0x310/0x670 [ 4876.905631][ T74] addrconf_dad_work+0x10b/0xab0 [ 4876.905631][ T74] process_one_work+0x84d/0x18a0 [ 4876.905631][ T74] worker_thread+0x587/0xd30 [ 4876.905631][ T74] kthread+0x28a/0x350 [ 4876.905631][ T74] ret_from_fork+0x31/0x70 [ 4876.905631][ T74] ret_from_fork_asm+0x1a/0x30 [ 4876.905631][ T74] [ 4876.907573][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4876.907573][ T74] netdev_get_by_index+0x5e/0x80 [ 4876.907573][ T74] fib6_nh_init+0x3d8/0x1580 [ 4876.907573][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4876.907573][ T74] ip6_route_add+0x1c/0x140 [ 4876.907573][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4876.907573][ T74] inet6_addr_add+0x4f8/0xa40 [ 4876.907573][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4876.907573][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4876.907573][ T74] netlink_rcv_skb+0x130/0x360 [ 4876.907573][ T74] netlink_unicast+0x449/0x710 [ 4876.907573][ T74] netlink_sendmsg+0x723/0xbe0 [ 4876.907573][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4876.907573][ T74] ___sys_sendmsg+0xee/0x170 [ 4876.907573][ T74] __sys_sendmsg+0xcd/0x170 [ 4876.907573][ T74] do_syscall_64+0xc6/0x1e0 [ 4876.907573][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4876.907573][ T74] [ 4876.909592][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4876.909592][ T74] netdev_get_by_index+0x5e/0x80 [ 4876.909592][ T74] fib6_nh_init+0x3d8/0x1580 [ 4876.909592][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4876.909592][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4876.909592][ T74] ipv6_add_addr+0x411/0x2000 [ 4876.909592][ T74] inet6_addr_add+0x30e/0xa40 [ 4876.909592][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4876.909592][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4876.909592][ T74] netlink_rcv_skb+0x130/0x360 [ 4876.909592][ T74] netlink_unicast+0x449/0x710 [ 4876.909592][ T74] netlink_sendmsg+0x723/0xbe0 [ 4876.909592][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4876.909592][ T74] ___sys_sendmsg+0xee/0x170 [ 4876.909592][ T74] __sys_sendmsg+0xcd/0x170 [ 4876.909592][ T74] do_syscall_64+0xc6/0x1e0 [ 4876.909592][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4876.909592][ T74] [ 4876.911620][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4876.911620][ T74] netdev_get_by_index+0x5e/0x80 [ 4876.911620][ T74] fib6_nh_init+0x3d8/0x1580 [ 4876.911620][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4876.911620][ T74] ip6_route_add+0x1c/0x140 [ 4876.911620][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4876.911620][ T74] addrconf_add_dev+0xe2/0x170 [ 4876.911620][ T74] inet6_addr_add+0x12f/0xa40 [ 4876.911620][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4876.911620][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4876.911620][ T74] netlink_rcv_skb+0x130/0x360 [ 4876.911620][ T74] netlink_unicast+0x449/0x710 [ 4876.911620][ T74] netlink_sendmsg+0x723/0xbe0 [ 4876.911620][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4876.911620][ T74] ___sys_sendmsg+0xee/0x170 [ 4876.911620][ T74] __sys_sendmsg+0xcd/0x170 [ 4876.911620][ T74] do_syscall_64+0xc6/0x1e0 [ 4876.911620][ T74] [ 4876.913615][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4876.913615][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4876.913615][ T74] ipv6_find_idev+0x102/0x170 [ 4876.913615][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4876.913615][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4876.913615][ T74] netlink_rcv_skb+0x130/0x360 [ 4876.913615][ T74] netlink_unicast+0x449/0x710 [ 4876.913615][ T74] netlink_sendmsg+0x723/0xbe0 [ 4876.913615][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4876.913615][ T74] ___sys_sendmsg+0xee/0x170 [ 4876.913615][ T74] __sys_sendmsg+0xcd/0x170 [ 4876.913615][ T74] do_syscall_64+0xc6/0x1e0 [ 4876.913615][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4876.913615][ T74] [ 4876.915362][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4876.915362][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4876.915362][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4876.915362][ T74] ipv6_find_idev+0x102/0x170 [ 4876.915362][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4876.915362][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4876.915362][ T74] netlink_rcv_skb+0x130/0x360 [ 4876.915362][ T74] netlink_unicast+0x449/0x710 [ 4876.915362][ T74] netlink_sendmsg+0x723/0xbe0 [ 4876.915362][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4876.915362][ T74] ___sys_sendmsg+0xee/0x170 [ 4876.915362][ T74] __sys_sendmsg+0xcd/0x170 [ 4876.915362][ T74] do_syscall_64+0xc6/0x1e0 [ 4876.915362][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4876.915362][ T74] [ 4876.917317][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4876.917630][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4876.917630][ T74] netdev_get_by_index+0x5e/0x80 [ 4876.917630][ T74] fib6_nh_init+0x3d8/0x1580 [ 4876.917630][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4876.917630][ T74] ip6_route_add+0x1c/0x140 [ 4876.917630][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4876.917630][ T74] inet6_addr_add+0x4f8/0xa40 [ 4876.917630][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4876.917630][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4876.917630][ T74] netlink_rcv_skb+0x130/0x360 [ 4876.917630][ T74] netlink_unicast+0x449/0x710 [ 4876.917630][ T74] netlink_sendmsg+0x723/0xbe0 [ 4876.917630][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4876.917630][ T74] ___sys_sendmsg+0xee/0x170 [ 4876.917630][ T74] __sys_sendmsg+0xcd/0x170 [ 4876.917630][ T74] do_syscall_64+0xc6/0x1e0 [ 4876.917630][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4876.917630][ T74] [ 4876.919838][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4876.919838][ T74] netdev_get_by_index+0x5e/0x80 [ 4876.919838][ T74] fib6_nh_init+0x3d8/0x1580 [ 4876.919838][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4876.919838][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4876.919838][ T74] ipv6_add_addr+0x411/0x2000 [ 4876.919838][ T74] inet6_addr_add+0x30e/0xa40 [ 4876.919838][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4876.919838][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4876.919838][ T74] netlink_rcv_skb+0x130/0x360 [ 4876.919838][ T74] netlink_unicast+0x449/0x710 [ 4876.919838][ T74] netlink_sendmsg+0x723/0xbe0 [ 4876.919838][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4876.919838][ T74] ___sys_sendmsg+0xee/0x170 [ 4876.919838][ T74] __sys_sendmsg+0xcd/0x170 [ 4876.919838][ T74] do_syscall_64+0xc6/0x1e0 [ 4876.919838][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4876.919838][ T74] [ 4876.922101][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4876.922101][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4876.922101][ T74] ipv6_find_idev+0x102/0x170 [ 4876.922101][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4876.922101][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4876.922101][ T74] netlink_rcv_skb+0x130/0x360 [ 4876.922101][ T74] netlink_unicast+0x449/0x710 [ 4876.922101][ T74] netlink_sendmsg+0x723/0xbe0 [ 4876.922101][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4876.922101][ T74] ___sys_sendmsg+0xee/0x170 [ 4876.922101][ T74] __sys_sendmsg+0xcd/0x170 [ 4876.922101][ T74] do_syscall_64+0xc6/0x1e0 [ 4876.922101][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4876.922101][ T74] [ 4876.923851][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4876.923851][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4876.923851][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4876.923851][ T74] ipv6_find_idev+0x102/0x170 [ 4876.923851][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4876.923851][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4876.923851][ T74] netlink_rcv_skb+0x130/0x360 [ 4876.923851][ T74] netlink_unicast+0x449/0x710 [ 4876.923851][ T74] netlink_sendmsg+0x723/0xbe0 [ 4876.923851][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4876.923851][ T74] ___sys_sendmsg+0xee/0x170 [ 4876.923851][ T74] __sys_sendmsg+0xcd/0x170 [ 4876.923851][ T74] do_syscall_64+0xc6/0x1e0 [ 4876.923851][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4876.923851][ T74] [ 4887.120002][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4887.120454][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4887.120454][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4887.120454][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4887.120454][ T74] fib6_nh_init+0xa22/0x1580 [ 4887.120454][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4887.120454][ T74] ip6_route_add+0x1c/0x140 [ 4887.120454][ T74] inet6_rtm_newroute+0x104/0x110 [ 4887.120454][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4887.120454][ T74] netlink_rcv_skb+0x130/0x360 [ 4887.120454][ T74] netlink_unicast+0x449/0x710 [ 4887.120454][ T74] netlink_sendmsg+0x723/0xbe0 [ 4887.120454][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4887.120454][ T74] ___sys_sendmsg+0xee/0x170 [ 4887.120454][ T74] __sys_sendmsg+0xcd/0x170 [ 4887.120454][ T74] do_syscall_64+0xc6/0x1e0 [ 4887.120454][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4887.120454][ T74] [ 4887.122360][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4887.122360][ T74] netdev_get_by_index+0x5e/0x80 [ 4887.122360][ T74] fib6_nh_init+0x3d8/0x1580 [ 4887.122360][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4887.122360][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4887.122360][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4887.122360][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4887.122360][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4887.122360][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4887.122360][ T74] addrconf_dad_begin+0x310/0x670 [ 4887.122360][ T74] addrconf_dad_work+0x10b/0xab0 [ 4887.122360][ T74] process_one_work+0x84d/0x18a0 [ 4887.122360][ T74] worker_thread+0x587/0xd30 [ 4887.122360][ T74] kthread+0x28a/0x350 [ 4887.122360][ T74] ret_from_fork+0x31/0x70 [ 4887.122360][ T74] ret_from_fork_asm+0x1a/0x30 [ 4887.122360][ T74] [ 4887.124284][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4887.124284][ T74] netdev_get_by_index+0x5e/0x80 [ 4887.124284][ T74] fib6_nh_init+0x3d8/0x1580 [ 4887.124284][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4887.124284][ T74] ip6_route_add+0x1c/0x140 [ 4887.124284][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4887.124284][ T74] inet6_addr_add+0x4f8/0xa40 [ 4887.124284][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4887.124284][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4887.124284][ T74] netlink_rcv_skb+0x130/0x360 [ 4887.124284][ T74] netlink_unicast+0x449/0x710 [ 4887.124284][ T74] netlink_sendmsg+0x723/0xbe0 [ 4887.124284][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4887.124284][ T74] ___sys_sendmsg+0xee/0x170 [ 4887.124284][ T74] __sys_sendmsg+0xcd/0x170 [ 4887.124284][ T74] do_syscall_64+0xc6/0x1e0 [ 4887.124284][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4887.124284][ T74] [ 4887.126290][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4887.126290][ T74] netdev_get_by_index+0x5e/0x80 [ 4887.126290][ T74] fib6_nh_init+0x3d8/0x1580 [ 4887.126290][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4887.126290][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4887.126290][ T74] ipv6_add_addr+0x411/0x2000 [ 4887.126290][ T74] inet6_addr_add+0x30e/0xa40 [ 4887.126290][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4887.126290][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4887.126290][ T74] netlink_rcv_skb+0x130/0x360 [ 4887.126290][ T74] netlink_unicast+0x449/0x710 [ 4887.126290][ T74] netlink_sendmsg+0x723/0xbe0 [ 4887.126290][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4887.126290][ T74] ___sys_sendmsg+0xee/0x170 [ 4887.126290][ T74] __sys_sendmsg+0xcd/0x170 [ 4887.126290][ T74] do_syscall_64+0xc6/0x1e0 [ 4887.126290][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4887.126290][ T74] [ 4887.128298][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4887.128298][ T74] netdev_get_by_index+0x5e/0x80 [ 4887.128298][ T74] fib6_nh_init+0x3d8/0x1580 [ 4887.128298][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4887.128298][ T74] ip6_route_add+0x1c/0x140 [ 4887.128298][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4887.128298][ T74] addrconf_add_dev+0xe2/0x170 [ 4887.128298][ T74] inet6_addr_add+0x12f/0xa40 [ 4887.128298][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4887.128298][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4887.128298][ T74] netlink_rcv_skb+0x130/0x360 [ 4887.128298][ T74] netlink_unicast+0x449/0x710 [ 4887.128298][ T74] netlink_sendmsg+0x723/0xbe0 [ 4887.128298][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4887.128298][ T74] ___sys_sendmsg+0xee/0x170 [ 4887.128298][ T74] __sys_sendmsg+0xcd/0x170 [ 4887.128298][ T74] do_syscall_64+0xc6/0x1e0 [ 4887.128298][ T74] [ 4887.130267][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4887.130267][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4887.130267][ T74] ipv6_find_idev+0x102/0x170 [ 4887.130267][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4887.130267][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4887.130267][ T74] netlink_rcv_skb+0x130/0x360 [ 4887.130267][ T74] netlink_unicast+0x449/0x710 [ 4887.130267][ T74] netlink_sendmsg+0x723/0xbe0 [ 4887.130267][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4887.130267][ T74] ___sys_sendmsg+0xee/0x170 [ 4887.130267][ T74] __sys_sendmsg+0xcd/0x170 [ 4887.130267][ T74] do_syscall_64+0xc6/0x1e0 [ 4887.130267][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4887.130267][ T74] [ 4887.131827][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4887.131827][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4887.131827][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4887.131827][ T74] ipv6_find_idev+0x102/0x170 [ 4887.131827][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4887.131827][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4887.131827][ T74] netlink_rcv_skb+0x130/0x360 [ 4887.131827][ T74] netlink_unicast+0x449/0x710 [ 4887.131827][ T74] netlink_sendmsg+0x723/0xbe0 [ 4887.131827][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4887.131827][ T74] ___sys_sendmsg+0xee/0x170 [ 4887.131827][ T74] __sys_sendmsg+0xcd/0x170 [ 4887.131827][ T74] do_syscall_64+0xc6/0x1e0 [ 4887.131827][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4887.131827][ T74] [ 4887.133513][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4887.133788][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4887.133788][ T74] dst_init+0x84/0x4a0 [ 4887.133788][ T74] dst_alloc+0x97/0x150 [ 4887.133788][ T74] ip6_dst_alloc+0x23/0x90 [ 4887.133788][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4887.133788][ T74] ip6_pol_route+0x56f/0x840 [ 4887.133788][ T74] fib6_rule_lookup+0x456/0x630 [ 4887.133788][ T74] ip6_route_input+0x59c/0xa50 [ 4887.133788][ T74] ipv6_rcv+0x397/0x810 [ 4887.133788][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4887.133788][ T74] process_backlog+0x101/0x620 [ 4887.133788][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4887.133788][ T74] net_rx_action+0x495/0xbe0 [ 4887.133788][ T74] __do_softirq+0x1b5/0x7f6 [ 4887.133788][ T74] [ 4887.135428][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4887.135428][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4887.135428][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4887.135428][ T74] fib6_nh_init+0xa22/0x1580 [ 4887.135428][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4887.135428][ T74] ip6_route_add+0x1c/0x140 [ 4887.135428][ T74] inet6_rtm_newroute+0x104/0x110 [ 4887.135428][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4887.135428][ T74] netlink_rcv_skb+0x130/0x360 [ 4887.135428][ T74] netlink_unicast+0x449/0x710 [ 4887.135428][ T74] netlink_sendmsg+0x723/0xbe0 [ 4887.135428][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4887.135428][ T74] ___sys_sendmsg+0xee/0x170 [ 4887.135428][ T74] __sys_sendmsg+0xcd/0x170 [ 4887.135428][ T74] do_syscall_64+0xc6/0x1e0 [ 4887.135428][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4887.135428][ T74] [ 4887.137306][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4887.137306][ T74] netdev_get_by_index+0x5e/0x80 [ 4887.137306][ T74] fib6_nh_init+0x3d8/0x1580 [ 4887.137306][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4887.137306][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4887.137306][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4887.137306][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4887.137306][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4887.137306][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4887.137306][ T74] addrconf_dad_begin+0x310/0x670 [ 4887.137306][ T74] addrconf_dad_work+0x10b/0xab0 [ 4887.137306][ T74] process_one_work+0x84d/0x18a0 [ 4887.137306][ T74] worker_thread+0x587/0xd30 [ 4887.137306][ T74] kthread+0x28a/0x350 [ 4887.137306][ T74] ret_from_fork+0x31/0x70 [ 4887.137306][ T74] ret_from_fork_asm+0x1a/0x30 [ 4887.137306][ T74] [ 4887.139194][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4887.139194][ T74] netdev_get_by_index+0x5e/0x80 [ 4887.139194][ T74] fib6_nh_init+0x3d8/0x1580 [ 4887.139194][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4887.139194][ T74] ip6_route_add+0x1c/0x140 [ 4887.139194][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4887.139194][ T74] inet6_addr_add+0x4f8/0xa40 [ 4887.139194][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4887.139194][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4887.139194][ T74] netlink_rcv_skb+0x130/0x360 [ 4887.139194][ T74] netlink_unicast+0x449/0x710 [ 4887.139194][ T74] netlink_sendmsg+0x723/0xbe0 [ 4887.139194][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4887.139194][ T74] ___sys_sendmsg+0xee/0x170 [ 4887.139194][ T74] __sys_sendmsg+0xcd/0x170 [ 4887.139194][ T74] do_syscall_64+0xc6/0x1e0 [ 4887.139194][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4887.139194][ T74] [ 4887.141180][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4887.141180][ T74] netdev_get_by_index+0x5e/0x80 [ 4887.141180][ T74] fib6_nh_init+0x3d8/0x1580 [ 4887.141180][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4887.141180][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4887.141180][ T74] ipv6_add_addr+0x411/0x2000 [ 4887.141180][ T74] inet6_addr_add+0x30e/0xa40 [ 4887.141180][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4887.141180][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4887.141180][ T74] netlink_rcv_skb+0x130/0x360 [ 4887.141180][ T74] netlink_unicast+0x449/0x710 [ 4887.141180][ T74] netlink_sendmsg+0x723/0xbe0 [ 4887.141180][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4887.141180][ T74] ___sys_sendmsg+0xee/0x170 [ 4887.141180][ T74] __sys_sendmsg+0xcd/0x170 [ 4887.141180][ T74] do_syscall_64+0xc6/0x1e0 [ 4887.141180][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4887.141180][ T74] [ 4887.143154][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4887.143154][ T74] netdev_get_by_index+0x5e/0x80 [ 4887.143154][ T74] fib6_nh_init+0x3d8/0x1580 [ 4887.143154][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4887.143154][ T74] ip6_route_add+0x1c/0x140 [ 4887.143154][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4887.143154][ T74] addrconf_add_dev+0xe2/0x170 [ 4887.143154][ T74] inet6_addr_add+0x12f/0xa40 [ 4887.143154][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4887.143154][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4887.143154][ T74] netlink_rcv_skb+0x130/0x360 [ 4887.143154][ T74] netlink_unicast+0x449/0x710 [ 4887.143154][ T74] netlink_sendmsg+0x723/0xbe0 [ 4887.143154][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4887.143154][ T74] ___sys_sendmsg+0xee/0x170 [ 4887.143154][ T74] __sys_sendmsg+0xcd/0x170 [ 4887.143154][ T74] do_syscall_64+0xc6/0x1e0 [ 4887.143154][ T74] [ 4887.145097][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4887.145097][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4887.145097][ T74] ipv6_find_idev+0x102/0x170 [ 4887.145097][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4887.145097][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4887.145097][ T74] netlink_rcv_skb+0x130/0x360 [ 4887.145097][ T74] netlink_unicast+0x449/0x710 [ 4887.145097][ T74] netlink_sendmsg+0x723/0xbe0 [ 4887.145097][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4887.145097][ T74] ___sys_sendmsg+0xee/0x170 [ 4887.145097][ T74] __sys_sendmsg+0xcd/0x170 [ 4887.145097][ T74] do_syscall_64+0xc6/0x1e0 [ 4887.145097][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4887.145097][ T74] [ 4887.146807][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4887.146807][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4887.146807][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4887.146807][ T74] ipv6_find_idev+0x102/0x170 [ 4887.146807][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4887.146807][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4887.146807][ T74] netlink_rcv_skb+0x130/0x360 [ 4887.146807][ T74] netlink_unicast+0x449/0x710 [ 4887.146807][ T74] netlink_sendmsg+0x723/0xbe0 [ 4887.146807][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4887.146807][ T74] ___sys_sendmsg+0xee/0x170 [ 4887.146807][ T74] __sys_sendmsg+0xcd/0x170 [ 4887.146807][ T74] do_syscall_64+0xc6/0x1e0 [ 4887.146807][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4887.146807][ T74] [ 4887.148723][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4887.148973][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4887.148973][ T74] netdev_get_by_index+0x5e/0x80 [ 4887.148973][ T74] fib6_nh_init+0x3d8/0x1580 [ 4887.148973][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4887.148973][ T74] ip6_route_add+0x1c/0x140 [ 4887.148973][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4887.148973][ T74] inet6_addr_add+0x4f8/0xa40 [ 4887.148973][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4887.148973][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4887.148973][ T74] netlink_rcv_skb+0x130/0x360 [ 4887.148973][ T74] netlink_unicast+0x449/0x710 [ 4887.148973][ T74] netlink_sendmsg+0x723/0xbe0 [ 4887.148973][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4887.148973][ T74] ___sys_sendmsg+0xee/0x170 [ 4887.148973][ T74] __sys_sendmsg+0xcd/0x170 [ 4887.148973][ T74] do_syscall_64+0xc6/0x1e0 [ 4887.148973][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4887.148973][ T74] [ 4887.151192][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4887.151192][ T74] netdev_get_by_index+0x5e/0x80 [ 4887.151192][ T74] fib6_nh_init+0x3d8/0x1580 [ 4887.151192][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4887.151192][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4887.151192][ T74] ipv6_add_addr+0x411/0x2000 [ 4887.151192][ T74] inet6_addr_add+0x30e/0xa40 [ 4887.151192][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4887.151192][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4887.151192][ T74] netlink_rcv_skb+0x130/0x360 [ 4887.151192][ T74] netlink_unicast+0x449/0x710 [ 4887.151192][ T74] netlink_sendmsg+0x723/0xbe0 [ 4887.151192][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4887.151192][ T74] ___sys_sendmsg+0xee/0x170 [ 4887.151192][ T74] __sys_sendmsg+0xcd/0x170 [ 4887.151192][ T74] do_syscall_64+0xc6/0x1e0 [ 4887.151192][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4887.151192][ T74] [ 4887.153420][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4887.153420][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4887.153420][ T74] ipv6_find_idev+0x102/0x170 [ 4887.153420][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4887.153420][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4887.153420][ T74] netlink_rcv_skb+0x130/0x360 [ 4887.153420][ T74] netlink_unicast+0x449/0x710 [ 4887.153420][ T74] netlink_sendmsg+0x723/0xbe0 [ 4887.153420][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4887.153420][ T74] ___sys_sendmsg+0xee/0x170 [ 4887.153420][ T74] __sys_sendmsg+0xcd/0x170 [ 4887.153420][ T74] do_syscall_64+0xc6/0x1e0 [ 4887.153420][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4887.153420][ T74] [ 4887.155132][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4887.155132][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4887.155132][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4887.155132][ T74] ipv6_find_idev+0x102/0x170 [ 4887.155132][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4887.155132][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4887.155132][ T74] netlink_rcv_skb+0x130/0x360 [ 4887.155132][ T74] netlink_unicast+0x449/0x710 [ 4887.155132][ T74] netlink_sendmsg+0x723/0xbe0 [ 4887.155132][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4887.155132][ T74] ___sys_sendmsg+0xee/0x170 [ 4887.155132][ T74] __sys_sendmsg+0xcd/0x170 [ 4887.155132][ T74] do_syscall_64+0xc6/0x1e0 [ 4887.155132][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4887.155132][ T74] [ 4897.199996][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4897.200394][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4897.200394][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4897.200394][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4897.200394][ T74] fib6_nh_init+0xa22/0x1580 [ 4897.200394][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4897.200394][ T74] ip6_route_add+0x1c/0x140 [ 4897.200394][ T74] inet6_rtm_newroute+0x104/0x110 [ 4897.200394][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4897.200394][ T74] netlink_rcv_skb+0x130/0x360 [ 4897.200394][ T74] netlink_unicast+0x449/0x710 [ 4897.200394][ T74] netlink_sendmsg+0x723/0xbe0 [ 4897.200394][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4897.200394][ T74] ___sys_sendmsg+0xee/0x170 [ 4897.200394][ T74] __sys_sendmsg+0xcd/0x170 [ 4897.200394][ T74] do_syscall_64+0xc6/0x1e0 [ 4897.200394][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4897.200394][ T74] [ 4897.202290][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4897.202290][ T74] netdev_get_by_index+0x5e/0x80 [ 4897.202290][ T74] fib6_nh_init+0x3d8/0x1580 [ 4897.202290][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4897.202290][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4897.202290][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4897.202290][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4897.202290][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4897.202290][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4897.202290][ T74] addrconf_dad_begin+0x310/0x670 [ 4897.202290][ T74] addrconf_dad_work+0x10b/0xab0 [ 4897.202290][ T74] process_one_work+0x84d/0x18a0 [ 4897.202290][ T74] worker_thread+0x587/0xd30 [ 4897.202290][ T74] kthread+0x28a/0x350 [ 4897.202290][ T74] ret_from_fork+0x31/0x70 [ 4897.202290][ T74] ret_from_fork_asm+0x1a/0x30 [ 4897.202290][ T74] [ 4897.204194][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4897.204194][ T74] netdev_get_by_index+0x5e/0x80 [ 4897.204194][ T74] fib6_nh_init+0x3d8/0x1580 [ 4897.204194][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4897.204194][ T74] ip6_route_add+0x1c/0x140 [ 4897.204194][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4897.204194][ T74] inet6_addr_add+0x4f8/0xa40 [ 4897.204194][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4897.204194][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4897.204194][ T74] netlink_rcv_skb+0x130/0x360 [ 4897.204194][ T74] netlink_unicast+0x449/0x710 [ 4897.204194][ T74] netlink_sendmsg+0x723/0xbe0 [ 4897.204194][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4897.204194][ T74] ___sys_sendmsg+0xee/0x170 [ 4897.204194][ T74] __sys_sendmsg+0xcd/0x170 [ 4897.204194][ T74] do_syscall_64+0xc6/0x1e0 [ 4897.204194][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4897.204194][ T74] [ 4897.206183][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4897.206183][ T74] netdev_get_by_index+0x5e/0x80 [ 4897.206183][ T74] fib6_nh_init+0x3d8/0x1580 [ 4897.206183][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4897.206183][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4897.206183][ T74] ipv6_add_addr+0x411/0x2000 [ 4897.206183][ T74] inet6_addr_add+0x30e/0xa40 [ 4897.206183][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4897.206183][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4897.206183][ T74] netlink_rcv_skb+0x130/0x360 [ 4897.206183][ T74] netlink_unicast+0x449/0x710 [ 4897.206183][ T74] netlink_sendmsg+0x723/0xbe0 [ 4897.206183][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4897.206183][ T74] ___sys_sendmsg+0xee/0x170 [ 4897.206183][ T74] __sys_sendmsg+0xcd/0x170 [ 4897.206183][ T74] do_syscall_64+0xc6/0x1e0 [ 4897.206183][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4897.206183][ T74] [ 4897.208170][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4897.208170][ T74] netdev_get_by_index+0x5e/0x80 [ 4897.208170][ T74] fib6_nh_init+0x3d8/0x1580 [ 4897.208170][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4897.208170][ T74] ip6_route_add+0x1c/0x140 [ 4897.208170][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4897.208170][ T74] addrconf_add_dev+0xe2/0x170 [ 4897.208170][ T74] inet6_addr_add+0x12f/0xa40 [ 4897.208170][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4897.208170][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4897.208170][ T74] netlink_rcv_skb+0x130/0x360 [ 4897.208170][ T74] netlink_unicast+0x449/0x710 [ 4897.208170][ T74] netlink_sendmsg+0x723/0xbe0 [ 4897.208170][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4897.208170][ T74] ___sys_sendmsg+0xee/0x170 [ 4897.208170][ T74] __sys_sendmsg+0xcd/0x170 [ 4897.208170][ T74] do_syscall_64+0xc6/0x1e0 [ 4897.208170][ T74] [ 4897.210137][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4897.210137][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4897.210137][ T74] ipv6_find_idev+0x102/0x170 [ 4897.210137][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4897.210137][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4897.210137][ T74] netlink_rcv_skb+0x130/0x360 [ 4897.210137][ T74] netlink_unicast+0x449/0x710 [ 4897.210137][ T74] netlink_sendmsg+0x723/0xbe0 [ 4897.210137][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4897.210137][ T74] ___sys_sendmsg+0xee/0x170 [ 4897.210137][ T74] __sys_sendmsg+0xcd/0x170 [ 4897.210137][ T74] do_syscall_64+0xc6/0x1e0 [ 4897.210137][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4897.210137][ T74] [ 4897.211668][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4897.211668][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4897.211668][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4897.211668][ T74] ipv6_find_idev+0x102/0x170 [ 4897.211668][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4897.211668][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4897.211668][ T74] netlink_rcv_skb+0x130/0x360 [ 4897.211668][ T74] netlink_unicast+0x449/0x710 [ 4897.211668][ T74] netlink_sendmsg+0x723/0xbe0 [ 4897.211668][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4897.211668][ T74] ___sys_sendmsg+0xee/0x170 [ 4897.211668][ T74] __sys_sendmsg+0xcd/0x170 [ 4897.211668][ T74] do_syscall_64+0xc6/0x1e0 [ 4897.211668][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4897.211668][ T74] [ 4897.213345][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4897.213640][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4897.213640][ T74] dst_init+0x84/0x4a0 [ 4897.213640][ T74] dst_alloc+0x97/0x150 [ 4897.213640][ T74] ip6_dst_alloc+0x23/0x90 [ 4897.213640][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4897.213640][ T74] ip6_pol_route+0x56f/0x840 [ 4897.213640][ T74] fib6_rule_lookup+0x456/0x630 [ 4897.213640][ T74] ip6_route_input+0x59c/0xa50 [ 4897.213640][ T74] ipv6_rcv+0x397/0x810 [ 4897.213640][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4897.213640][ T74] process_backlog+0x101/0x620 [ 4897.213640][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4897.213640][ T74] net_rx_action+0x495/0xbe0 [ 4897.213640][ T74] __do_softirq+0x1b5/0x7f6 [ 4897.213640][ T74] [ 4897.215268][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4897.215268][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4897.215268][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4897.215268][ T74] fib6_nh_init+0xa22/0x1580 [ 4897.215268][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4897.215268][ T74] ip6_route_add+0x1c/0x140 [ 4897.215268][ T74] inet6_rtm_newroute+0x104/0x110 [ 4897.215268][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4897.215268][ T74] netlink_rcv_skb+0x130/0x360 [ 4897.215268][ T74] netlink_unicast+0x449/0x710 [ 4897.215268][ T74] netlink_sendmsg+0x723/0xbe0 [ 4897.215268][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4897.215268][ T74] ___sys_sendmsg+0xee/0x170 [ 4897.215268][ T74] __sys_sendmsg+0xcd/0x170 [ 4897.215268][ T74] do_syscall_64+0xc6/0x1e0 [ 4897.215268][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4897.215268][ T74] [ 4897.217152][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4897.217152][ T74] netdev_get_by_index+0x5e/0x80 [ 4897.217152][ T74] fib6_nh_init+0x3d8/0x1580 [ 4897.217152][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4897.217152][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4897.217152][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4897.217152][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4897.217152][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4897.217152][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4897.217152][ T74] addrconf_dad_begin+0x310/0x670 [ 4897.217152][ T74] addrconf_dad_work+0x10b/0xab0 [ 4897.217152][ T74] process_one_work+0x84d/0x18a0 [ 4897.217152][ T74] worker_thread+0x587/0xd30 [ 4897.217152][ T74] kthread+0x28a/0x350 [ 4897.217152][ T74] ret_from_fork+0x31/0x70 [ 4897.217152][ T74] ret_from_fork_asm+0x1a/0x30 [ 4897.217152][ T74] [ 4897.219046][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4897.219046][ T74] netdev_get_by_index+0x5e/0x80 [ 4897.219046][ T74] fib6_nh_init+0x3d8/0x1580 [ 4897.219046][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4897.219046][ T74] ip6_route_add+0x1c/0x140 [ 4897.219046][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4897.219046][ T74] inet6_addr_add+0x4f8/0xa40 [ 4897.219046][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4897.219046][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4897.219046][ T74] netlink_rcv_skb+0x130/0x360 [ 4897.219046][ T74] netlink_unicast+0x449/0x710 [ 4897.219046][ T74] netlink_sendmsg+0x723/0xbe0 [ 4897.219046][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4897.219046][ T74] ___sys_sendmsg+0xee/0x170 [ 4897.219046][ T74] __sys_sendmsg+0xcd/0x170 [ 4897.219046][ T74] do_syscall_64+0xc6/0x1e0 [ 4897.219046][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4897.219046][ T74] [ 4897.221029][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4897.221029][ T74] netdev_get_by_index+0x5e/0x80 [ 4897.221029][ T74] fib6_nh_init+0x3d8/0x1580 [ 4897.221029][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4897.221029][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4897.221029][ T74] ipv6_add_addr+0x411/0x2000 [ 4897.221029][ T74] inet6_addr_add+0x30e/0xa40 [ 4897.221029][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4897.221029][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4897.221029][ T74] netlink_rcv_skb+0x130/0x360 [ 4897.221029][ T74] netlink_unicast+0x449/0x710 [ 4897.221029][ T74] netlink_sendmsg+0x723/0xbe0 [ 4897.221029][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4897.221029][ T74] ___sys_sendmsg+0xee/0x170 [ 4897.221029][ T74] __sys_sendmsg+0xcd/0x170 [ 4897.221029][ T74] do_syscall_64+0xc6/0x1e0 [ 4897.221029][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4897.221029][ T74] [ 4897.223008][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4897.223008][ T74] netdev_get_by_index+0x5e/0x80 [ 4897.223008][ T74] fib6_nh_init+0x3d8/0x1580 [ 4897.223008][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4897.223008][ T74] ip6_route_add+0x1c/0x140 [ 4897.223008][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4897.223008][ T74] addrconf_add_dev+0xe2/0x170 [ 4897.223008][ T74] inet6_addr_add+0x12f/0xa40 [ 4897.223008][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4897.223008][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4897.223008][ T74] netlink_rcv_skb+0x130/0x360 [ 4897.223008][ T74] netlink_unicast+0x449/0x710 [ 4897.223008][ T74] netlink_sendmsg+0x723/0xbe0 [ 4897.223008][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4897.223008][ T74] ___sys_sendmsg+0xee/0x170 [ 4897.223008][ T74] __sys_sendmsg+0xcd/0x170 [ 4897.223008][ T74] do_syscall_64+0xc6/0x1e0 [ 4897.223008][ T74] [ 4897.224956][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4897.224956][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4897.224956][ T74] ipv6_find_idev+0x102/0x170 [ 4897.224956][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4897.224956][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4897.224956][ T74] netlink_rcv_skb+0x130/0x360 [ 4897.224956][ T74] netlink_unicast+0x449/0x710 [ 4897.224956][ T74] netlink_sendmsg+0x723/0xbe0 [ 4897.224956][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4897.224956][ T74] ___sys_sendmsg+0xee/0x170 [ 4897.224956][ T74] __sys_sendmsg+0xcd/0x170 [ 4897.224956][ T74] do_syscall_64+0xc6/0x1e0 [ 4897.224956][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4897.224956][ T74] [ 4897.226664][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4897.226664][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4897.226664][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4897.226664][ T74] ipv6_find_idev+0x102/0x170 [ 4897.226664][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4897.226664][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4897.226664][ T74] netlink_rcv_skb+0x130/0x360 [ 4897.226664][ T74] netlink_unicast+0x449/0x710 [ 4897.226664][ T74] netlink_sendmsg+0x723/0xbe0 [ 4897.226664][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4897.226664][ T74] ___sys_sendmsg+0xee/0x170 [ 4897.226664][ T74] __sys_sendmsg+0xcd/0x170 [ 4897.226664][ T74] do_syscall_64+0xc6/0x1e0 [ 4897.226664][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4897.226664][ T74] [ 4897.228577][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4897.228811][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4897.228811][ T74] netdev_get_by_index+0x5e/0x80 [ 4897.228811][ T74] fib6_nh_init+0x3d8/0x1580 [ 4897.228811][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4897.228811][ T74] ip6_route_add+0x1c/0x140 [ 4897.228811][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4897.228811][ T74] inet6_addr_add+0x4f8/0xa40 [ 4897.228811][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4897.228811][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4897.228811][ T74] netlink_rcv_skb+0x130/0x360 [ 4897.228811][ T74] netlink_unicast+0x449/0x710 [ 4897.228811][ T74] netlink_sendmsg+0x723/0xbe0 [ 4897.228811][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4897.228811][ T74] ___sys_sendmsg+0xee/0x170 [ 4897.228811][ T74] __sys_sendmsg+0xcd/0x170 [ 4897.228811][ T74] do_syscall_64+0xc6/0x1e0 [ 4897.228811][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4897.228811][ T74] [ 4897.231048][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4897.231048][ T74] netdev_get_by_index+0x5e/0x80 [ 4897.231048][ T74] fib6_nh_init+0x3d8/0x1580 [ 4897.231048][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4897.231048][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4897.231048][ T74] ipv6_add_addr+0x411/0x2000 [ 4897.231048][ T74] inet6_addr_add+0x30e/0xa40 [ 4897.231048][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4897.231048][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4897.231048][ T74] netlink_rcv_skb+0x130/0x360 [ 4897.231048][ T74] netlink_unicast+0x449/0x710 [ 4897.231048][ T74] netlink_sendmsg+0x723/0xbe0 [ 4897.231048][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4897.231048][ T74] ___sys_sendmsg+0xee/0x170 [ 4897.231048][ T74] __sys_sendmsg+0xcd/0x170 [ 4897.231048][ T74] do_syscall_64+0xc6/0x1e0 [ 4897.231048][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4897.231048][ T74] [ 4897.233265][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4897.233265][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4897.233265][ T74] ipv6_find_idev+0x102/0x170 [ 4897.233265][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4897.233265][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4897.233265][ T74] netlink_rcv_skb+0x130/0x360 [ 4897.233265][ T74] netlink_unicast+0x449/0x710 [ 4897.233265][ T74] netlink_sendmsg+0x723/0xbe0 [ 4897.233265][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4897.233265][ T74] ___sys_sendmsg+0xee/0x170 [ 4897.233265][ T74] __sys_sendmsg+0xcd/0x170 [ 4897.233265][ T74] do_syscall_64+0xc6/0x1e0 [ 4897.233265][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4897.233265][ T74] [ 4897.234971][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4897.234971][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4897.234971][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4897.234971][ T74] ipv6_find_idev+0x102/0x170 [ 4897.234971][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4897.234971][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4897.234971][ T74] netlink_rcv_skb+0x130/0x360 [ 4897.234971][ T74] netlink_unicast+0x449/0x710 [ 4897.234971][ T74] netlink_sendmsg+0x723/0xbe0 [ 4897.234971][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4897.234971][ T74] ___sys_sendmsg+0xee/0x170 [ 4897.234971][ T74] __sys_sendmsg+0xcd/0x170 [ 4897.234971][ T74] do_syscall_64+0xc6/0x1e0 [ 4897.234971][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4897.234971][ T74] [ 4907.359948][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4907.360307][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4907.360307][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4907.360307][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4907.360307][ T74] fib6_nh_init+0xa22/0x1580 [ 4907.360307][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4907.360307][ T74] ip6_route_add+0x1c/0x140 [ 4907.360307][ T74] inet6_rtm_newroute+0x104/0x110 [ 4907.360307][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4907.360307][ T74] netlink_rcv_skb+0x130/0x360 [ 4907.360307][ T74] netlink_unicast+0x449/0x710 [ 4907.360307][ T74] netlink_sendmsg+0x723/0xbe0 [ 4907.360307][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4907.360307][ T74] ___sys_sendmsg+0xee/0x170 [ 4907.360307][ T74] __sys_sendmsg+0xcd/0x170 [ 4907.360307][ T74] do_syscall_64+0xc6/0x1e0 [ 4907.360307][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4907.360307][ T74] [ 4907.362202][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4907.362202][ T74] netdev_get_by_index+0x5e/0x80 [ 4907.362202][ T74] fib6_nh_init+0x3d8/0x1580 [ 4907.362202][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4907.362202][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4907.362202][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4907.362202][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4907.362202][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4907.362202][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4907.362202][ T74] addrconf_dad_begin+0x310/0x670 [ 4907.362202][ T74] addrconf_dad_work+0x10b/0xab0 [ 4907.362202][ T74] process_one_work+0x84d/0x18a0 [ 4907.362202][ T74] worker_thread+0x587/0xd30 [ 4907.362202][ T74] kthread+0x28a/0x350 [ 4907.362202][ T74] ret_from_fork+0x31/0x70 [ 4907.362202][ T74] ret_from_fork_asm+0x1a/0x30 [ 4907.362202][ T74] [ 4907.364116][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4907.364116][ T74] netdev_get_by_index+0x5e/0x80 [ 4907.364116][ T74] fib6_nh_init+0x3d8/0x1580 [ 4907.364116][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4907.364116][ T74] ip6_route_add+0x1c/0x140 [ 4907.364116][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4907.364116][ T74] inet6_addr_add+0x4f8/0xa40 [ 4907.364116][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4907.364116][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4907.364116][ T74] netlink_rcv_skb+0x130/0x360 [ 4907.364116][ T74] netlink_unicast+0x449/0x710 [ 4907.364116][ T74] netlink_sendmsg+0x723/0xbe0 [ 4907.364116][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4907.364116][ T74] ___sys_sendmsg+0xee/0x170 [ 4907.364116][ T74] __sys_sendmsg+0xcd/0x170 [ 4907.364116][ T74] do_syscall_64+0xc6/0x1e0 [ 4907.364116][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4907.364116][ T74] [ 4907.366153][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4907.366153][ T74] netdev_get_by_index+0x5e/0x80 [ 4907.366153][ T74] fib6_nh_init+0x3d8/0x1580 [ 4907.366153][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4907.366153][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4907.366153][ T74] ipv6_add_addr+0x411/0x2000 [ 4907.366153][ T74] inet6_addr_add+0x30e/0xa40 [ 4907.366153][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4907.366153][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4907.366153][ T74] netlink_rcv_skb+0x130/0x360 [ 4907.366153][ T74] netlink_unicast+0x449/0x710 [ 4907.366153][ T74] netlink_sendmsg+0x723/0xbe0 [ 4907.366153][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4907.366153][ T74] ___sys_sendmsg+0xee/0x170 [ 4907.366153][ T74] __sys_sendmsg+0xcd/0x170 [ 4907.366153][ T74] do_syscall_64+0xc6/0x1e0 [ 4907.366153][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4907.366153][ T74] [ 4907.368137][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4907.368137][ T74] netdev_get_by_index+0x5e/0x80 [ 4907.368137][ T74] fib6_nh_init+0x3d8/0x1580 [ 4907.368137][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4907.368137][ T74] ip6_route_add+0x1c/0x140 [ 4907.368137][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4907.368137][ T74] addrconf_add_dev+0xe2/0x170 [ 4907.368137][ T74] inet6_addr_add+0x12f/0xa40 [ 4907.368137][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4907.368137][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4907.368137][ T74] netlink_rcv_skb+0x130/0x360 [ 4907.368137][ T74] netlink_unicast+0x449/0x710 [ 4907.368137][ T74] netlink_sendmsg+0x723/0xbe0 [ 4907.368137][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4907.368137][ T74] ___sys_sendmsg+0xee/0x170 [ 4907.368137][ T74] __sys_sendmsg+0xcd/0x170 [ 4907.368137][ T74] do_syscall_64+0xc6/0x1e0 [ 4907.368137][ T74] [ 4907.370086][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4907.370086][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4907.370086][ T74] ipv6_find_idev+0x102/0x170 [ 4907.370086][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4907.370086][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4907.370086][ T74] netlink_rcv_skb+0x130/0x360 [ 4907.370086][ T74] netlink_unicast+0x449/0x710 [ 4907.370086][ T74] netlink_sendmsg+0x723/0xbe0 [ 4907.370086][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4907.370086][ T74] ___sys_sendmsg+0xee/0x170 [ 4907.370086][ T74] __sys_sendmsg+0xcd/0x170 [ 4907.370086][ T74] do_syscall_64+0xc6/0x1e0 [ 4907.370086][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4907.370086][ T74] [ 4907.371620][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4907.371620][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4907.371620][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4907.371620][ T74] ipv6_find_idev+0x102/0x170 [ 4907.371620][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4907.371620][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4907.371620][ T74] netlink_rcv_skb+0x130/0x360 [ 4907.371620][ T74] netlink_unicast+0x449/0x710 [ 4907.371620][ T74] netlink_sendmsg+0x723/0xbe0 [ 4907.371620][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4907.371620][ T74] ___sys_sendmsg+0xee/0x170 [ 4907.371620][ T74] __sys_sendmsg+0xcd/0x170 [ 4907.371620][ T74] do_syscall_64+0xc6/0x1e0 [ 4907.371620][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4907.371620][ T74] [ 4907.373303][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4907.373665][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4907.373665][ T74] dst_init+0x84/0x4a0 [ 4907.373665][ T74] dst_alloc+0x97/0x150 [ 4907.373665][ T74] ip6_dst_alloc+0x23/0x90 [ 4907.373665][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4907.373665][ T74] ip6_pol_route+0x56f/0x840 [ 4907.373665][ T74] fib6_rule_lookup+0x456/0x630 [ 4907.373665][ T74] ip6_route_input+0x59c/0xa50 [ 4907.373665][ T74] ipv6_rcv+0x397/0x810 [ 4907.373665][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4907.373665][ T74] process_backlog+0x101/0x620 [ 4907.373665][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4907.373665][ T74] net_rx_action+0x495/0xbe0 [ 4907.373665][ T74] __do_softirq+0x1b5/0x7f6 [ 4907.373665][ T74] [ 4907.375287][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4907.375287][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4907.375287][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4907.375287][ T74] fib6_nh_init+0xa22/0x1580 [ 4907.375287][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4907.375287][ T74] ip6_route_add+0x1c/0x140 [ 4907.375287][ T74] inet6_rtm_newroute+0x104/0x110 [ 4907.375287][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4907.375287][ T74] netlink_rcv_skb+0x130/0x360 [ 4907.375287][ T74] netlink_unicast+0x449/0x710 [ 4907.375287][ T74] netlink_sendmsg+0x723/0xbe0 [ 4907.375287][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4907.375287][ T74] ___sys_sendmsg+0xee/0x170 [ 4907.375287][ T74] __sys_sendmsg+0xcd/0x170 [ 4907.375287][ T74] do_syscall_64+0xc6/0x1e0 [ 4907.375287][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4907.375287][ T74] [ 4907.377152][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4907.377152][ T74] netdev_get_by_index+0x5e/0x80 [ 4907.377152][ T74] fib6_nh_init+0x3d8/0x1580 [ 4907.377152][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4907.377152][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4907.377152][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4907.377152][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4907.377152][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4907.377152][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4907.377152][ T74] addrconf_dad_begin+0x310/0x670 [ 4907.377152][ T74] addrconf_dad_work+0x10b/0xab0 [ 4907.377152][ T74] process_one_work+0x84d/0x18a0 [ 4907.377152][ T74] worker_thread+0x587/0xd30 [ 4907.377152][ T74] kthread+0x28a/0x350 [ 4907.377152][ T74] ret_from_fork+0x31/0x70 [ 4907.377152][ T74] ret_from_fork_asm+0x1a/0x30 [ 4907.377152][ T74] [ 4907.379036][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4907.379036][ T74] netdev_get_by_index+0x5e/0x80 [ 4907.379036][ T74] fib6_nh_init+0x3d8/0x1580 [ 4907.379036][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4907.379036][ T74] ip6_route_add+0x1c/0x140 [ 4907.379036][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4907.379036][ T74] inet6_addr_add+0x4f8/0xa40 [ 4907.379036][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4907.379036][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4907.379036][ T74] netlink_rcv_skb+0x130/0x360 [ 4907.379036][ T74] netlink_unicast+0x449/0x710 [ 4907.379036][ T74] netlink_sendmsg+0x723/0xbe0 [ 4907.379036][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4907.379036][ T74] ___sys_sendmsg+0xee/0x170 [ 4907.379036][ T74] __sys_sendmsg+0xcd/0x170 [ 4907.379036][ T74] do_syscall_64+0xc6/0x1e0 [ 4907.379036][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4907.379036][ T74] [ 4907.381011][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4907.381011][ T74] netdev_get_by_index+0x5e/0x80 [ 4907.381011][ T74] fib6_nh_init+0x3d8/0x1580 [ 4907.381011][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4907.381011][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4907.381011][ T74] ipv6_add_addr+0x411/0x2000 [ 4907.381011][ T74] inet6_addr_add+0x30e/0xa40 [ 4907.381011][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4907.381011][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4907.381011][ T74] netlink_rcv_skb+0x130/0x360 [ 4907.381011][ T74] netlink_unicast+0x449/0x710 [ 4907.381011][ T74] netlink_sendmsg+0x723/0xbe0 [ 4907.381011][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4907.381011][ T74] ___sys_sendmsg+0xee/0x170 [ 4907.381011][ T74] __sys_sendmsg+0xcd/0x170 [ 4907.381011][ T74] do_syscall_64+0xc6/0x1e0 [ 4907.381011][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4907.381011][ T74] [ 4907.382991][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4907.382991][ T74] netdev_get_by_index+0x5e/0x80 [ 4907.382991][ T74] fib6_nh_init+0x3d8/0x1580 [ 4907.382991][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4907.382991][ T74] ip6_route_add+0x1c/0x140 [ 4907.382991][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4907.382991][ T74] addrconf_add_dev+0xe2/0x170 [ 4907.382991][ T74] inet6_addr_add+0x12f/0xa40 [ 4907.382991][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4907.382991][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4907.382991][ T74] netlink_rcv_skb+0x130/0x360 [ 4907.382991][ T74] netlink_unicast+0x449/0x710 [ 4907.382991][ T74] netlink_sendmsg+0x723/0xbe0 [ 4907.382991][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4907.382991][ T74] ___sys_sendmsg+0xee/0x170 [ 4907.382991][ T74] __sys_sendmsg+0xcd/0x170 [ 4907.382991][ T74] do_syscall_64+0xc6/0x1e0 [ 4907.382991][ T74] [ 4907.384939][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4907.384939][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4907.384939][ T74] ipv6_find_idev+0x102/0x170 [ 4907.384939][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4907.384939][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4907.384939][ T74] netlink_rcv_skb+0x130/0x360 [ 4907.384939][ T74] netlink_unicast+0x449/0x710 [ 4907.384939][ T74] netlink_sendmsg+0x723/0xbe0 [ 4907.384939][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4907.384939][ T74] ___sys_sendmsg+0xee/0x170 [ 4907.384939][ T74] __sys_sendmsg+0xcd/0x170 [ 4907.384939][ T74] do_syscall_64+0xc6/0x1e0 [ 4907.384939][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4907.384939][ T74] [ 4907.386655][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4907.386655][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4907.386655][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4907.386655][ T74] ipv6_find_idev+0x102/0x170 [ 4907.386655][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4907.386655][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4907.386655][ T74] netlink_rcv_skb+0x130/0x360 [ 4907.386655][ T74] netlink_unicast+0x449/0x710 [ 4907.386655][ T74] netlink_sendmsg+0x723/0xbe0 [ 4907.386655][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4907.386655][ T74] ___sys_sendmsg+0xee/0x170 [ 4907.386655][ T74] __sys_sendmsg+0xcd/0x170 [ 4907.386655][ T74] do_syscall_64+0xc6/0x1e0 [ 4907.386655][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4907.386655][ T74] [ 4907.388561][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4907.388838][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4907.388838][ T74] netdev_get_by_index+0x5e/0x80 [ 4907.388838][ T74] fib6_nh_init+0x3d8/0x1580 [ 4907.388838][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4907.388838][ T74] ip6_route_add+0x1c/0x140 [ 4907.388838][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4907.388838][ T74] inet6_addr_add+0x4f8/0xa40 [ 4907.388838][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4907.388838][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4907.388838][ T74] netlink_rcv_skb+0x130/0x360 [ 4907.388838][ T74] netlink_unicast+0x449/0x710 [ 4907.388838][ T74] netlink_sendmsg+0x723/0xbe0 [ 4907.388838][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4907.388838][ T74] ___sys_sendmsg+0xee/0x170 [ 4907.388838][ T74] __sys_sendmsg+0xcd/0x170 [ 4907.388838][ T74] do_syscall_64+0xc6/0x1e0 [ 4907.388838][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4907.388838][ T74] [ 4907.391067][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4907.391067][ T74] netdev_get_by_index+0x5e/0x80 [ 4907.391067][ T74] fib6_nh_init+0x3d8/0x1580 [ 4907.391067][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4907.391067][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4907.391067][ T74] ipv6_add_addr+0x411/0x2000 [ 4907.391067][ T74] inet6_addr_add+0x30e/0xa40 [ 4907.391067][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4907.391067][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4907.391067][ T74] netlink_rcv_skb+0x130/0x360 [ 4907.391067][ T74] netlink_unicast+0x449/0x710 [ 4907.391067][ T74] netlink_sendmsg+0x723/0xbe0 [ 4907.391067][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4907.391067][ T74] ___sys_sendmsg+0xee/0x170 [ 4907.391067][ T74] __sys_sendmsg+0xcd/0x170 [ 4907.391067][ T74] do_syscall_64+0xc6/0x1e0 [ 4907.391067][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4907.391067][ T74] [ 4907.393281][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4907.393281][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4907.393281][ T74] ipv6_find_idev+0x102/0x170 [ 4907.393281][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4907.393281][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4907.393281][ T74] netlink_rcv_skb+0x130/0x360 [ 4907.393281][ T74] netlink_unicast+0x449/0x710 [ 4907.393281][ T74] netlink_sendmsg+0x723/0xbe0 [ 4907.393281][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4907.393281][ T74] ___sys_sendmsg+0xee/0x170 [ 4907.393281][ T74] __sys_sendmsg+0xcd/0x170 [ 4907.393281][ T74] do_syscall_64+0xc6/0x1e0 [ 4907.393281][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4907.393281][ T74] [ 4907.394993][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4907.394993][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4907.394993][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4907.394993][ T74] ipv6_find_idev+0x102/0x170 [ 4907.394993][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4907.394993][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4907.394993][ T74] netlink_rcv_skb+0x130/0x360 [ 4907.394993][ T74] netlink_unicast+0x449/0x710 [ 4907.394993][ T74] netlink_sendmsg+0x723/0xbe0 [ 4907.394993][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4907.394993][ T74] ___sys_sendmsg+0xee/0x170 [ 4907.394993][ T74] __sys_sendmsg+0xcd/0x170 [ 4907.394993][ T74] do_syscall_64+0xc6/0x1e0 [ 4907.394993][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4907.394993][ T74] [ 4917.607964][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4917.608397][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4917.608397][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4917.608397][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4917.608397][ T74] fib6_nh_init+0xa22/0x1580 [ 4917.608397][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4917.608397][ T74] ip6_route_add+0x1c/0x140 [ 4917.608397][ T74] inet6_rtm_newroute+0x104/0x110 [ 4917.608397][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4917.608397][ T74] netlink_rcv_skb+0x130/0x360 [ 4917.608397][ T74] netlink_unicast+0x449/0x710 [ 4917.608397][ T74] netlink_sendmsg+0x723/0xbe0 [ 4917.608397][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4917.608397][ T74] ___sys_sendmsg+0xee/0x170 [ 4917.608397][ T74] __sys_sendmsg+0xcd/0x170 [ 4917.608397][ T74] do_syscall_64+0xc6/0x1e0 [ 4917.608397][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4917.608397][ T74] [ 4917.610279][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4917.610279][ T74] netdev_get_by_index+0x5e/0x80 [ 4917.610279][ T74] fib6_nh_init+0x3d8/0x1580 [ 4917.610279][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4917.610279][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4917.610279][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4917.610279][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4917.610279][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4917.610279][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4917.610279][ T74] addrconf_dad_begin+0x310/0x670 [ 4917.610279][ T74] addrconf_dad_work+0x10b/0xab0 [ 4917.610279][ T74] process_one_work+0x84d/0x18a0 [ 4917.610279][ T74] worker_thread+0x587/0xd30 [ 4917.610279][ T74] kthread+0x28a/0x350 [ 4917.610279][ T74] ret_from_fork+0x31/0x70 [ 4917.610279][ T74] ret_from_fork_asm+0x1a/0x30 [ 4917.610279][ T74] [ 4917.612184][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4917.612184][ T74] netdev_get_by_index+0x5e/0x80 [ 4917.612184][ T74] fib6_nh_init+0x3d8/0x1580 [ 4917.612184][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4917.612184][ T74] ip6_route_add+0x1c/0x140 [ 4917.612184][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4917.612184][ T74] inet6_addr_add+0x4f8/0xa40 [ 4917.612184][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4917.612184][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4917.612184][ T74] netlink_rcv_skb+0x130/0x360 [ 4917.612184][ T74] netlink_unicast+0x449/0x710 [ 4917.612184][ T74] netlink_sendmsg+0x723/0xbe0 [ 4917.612184][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4917.612184][ T74] ___sys_sendmsg+0xee/0x170 [ 4917.612184][ T74] __sys_sendmsg+0xcd/0x170 [ 4917.612184][ T74] do_syscall_64+0xc6/0x1e0 [ 4917.612184][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4917.612184][ T74] [ 4917.614161][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4917.614161][ T74] netdev_get_by_index+0x5e/0x80 [ 4917.614161][ T74] fib6_nh_init+0x3d8/0x1580 [ 4917.614161][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4917.614161][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4917.614161][ T74] ipv6_add_addr+0x411/0x2000 [ 4917.614161][ T74] inet6_addr_add+0x30e/0xa40 [ 4917.614161][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4917.614161][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4917.614161][ T74] netlink_rcv_skb+0x130/0x360 [ 4917.614161][ T74] netlink_unicast+0x449/0x710 [ 4917.614161][ T74] netlink_sendmsg+0x723/0xbe0 [ 4917.614161][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4917.614161][ T74] ___sys_sendmsg+0xee/0x170 [ 4917.614161][ T74] __sys_sendmsg+0xcd/0x170 [ 4917.614161][ T74] do_syscall_64+0xc6/0x1e0 [ 4917.614161][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4917.614161][ T74] [ 4917.616170][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4917.616170][ T74] netdev_get_by_index+0x5e/0x80 [ 4917.616170][ T74] fib6_nh_init+0x3d8/0x1580 [ 4917.616170][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4917.616170][ T74] ip6_route_add+0x1c/0x140 [ 4917.616170][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4917.616170][ T74] addrconf_add_dev+0xe2/0x170 [ 4917.616170][ T74] inet6_addr_add+0x12f/0xa40 [ 4917.616170][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4917.616170][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4917.616170][ T74] netlink_rcv_skb+0x130/0x360 [ 4917.616170][ T74] netlink_unicast+0x449/0x710 [ 4917.616170][ T74] netlink_sendmsg+0x723/0xbe0 [ 4917.616170][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4917.616170][ T74] ___sys_sendmsg+0xee/0x170 [ 4917.616170][ T74] __sys_sendmsg+0xcd/0x170 [ 4917.616170][ T74] do_syscall_64+0xc6/0x1e0 [ 4917.616170][ T74] [ 4917.618116][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4917.618116][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4917.618116][ T74] ipv6_find_idev+0x102/0x170 [ 4917.618116][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4917.618116][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4917.618116][ T74] netlink_rcv_skb+0x130/0x360 [ 4917.618116][ T74] netlink_unicast+0x449/0x710 [ 4917.618116][ T74] netlink_sendmsg+0x723/0xbe0 [ 4917.618116][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4917.618116][ T74] ___sys_sendmsg+0xee/0x170 [ 4917.618116][ T74] __sys_sendmsg+0xcd/0x170 [ 4917.618116][ T74] do_syscall_64+0xc6/0x1e0 [ 4917.618116][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4917.618116][ T74] [ 4917.619637][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4917.619637][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4917.619637][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4917.619637][ T74] ipv6_find_idev+0x102/0x170 [ 4917.619637][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4917.619637][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4917.619637][ T74] netlink_rcv_skb+0x130/0x360 [ 4917.619637][ T74] netlink_unicast+0x449/0x710 [ 4917.619637][ T74] netlink_sendmsg+0x723/0xbe0 [ 4917.619637][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4917.619637][ T74] ___sys_sendmsg+0xee/0x170 [ 4917.619637][ T74] __sys_sendmsg+0xcd/0x170 [ 4917.619637][ T74] do_syscall_64+0xc6/0x1e0 [ 4917.619637][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4917.619637][ T74] [ 4917.621346][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4917.621621][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4917.621621][ T74] dst_init+0x84/0x4a0 [ 4917.621621][ T74] dst_alloc+0x97/0x150 [ 4917.621621][ T74] ip6_dst_alloc+0x23/0x90 [ 4917.621621][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4917.621621][ T74] ip6_pol_route+0x56f/0x840 [ 4917.621621][ T74] fib6_rule_lookup+0x456/0x630 [ 4917.621621][ T74] ip6_route_input+0x59c/0xa50 [ 4917.621621][ T74] ipv6_rcv+0x397/0x810 [ 4917.621621][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4917.621621][ T74] process_backlog+0x101/0x620 [ 4917.621621][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4917.621621][ T74] net_rx_action+0x495/0xbe0 [ 4917.621621][ T74] __do_softirq+0x1b5/0x7f6 [ 4917.621621][ T74] [ 4917.623243][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4917.623243][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4917.623243][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4917.623243][ T74] fib6_nh_init+0xa22/0x1580 [ 4917.623243][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4917.623243][ T74] ip6_route_add+0x1c/0x140 [ 4917.623243][ T74] inet6_rtm_newroute+0x104/0x110 [ 4917.623243][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4917.623243][ T74] netlink_rcv_skb+0x130/0x360 [ 4917.623243][ T74] netlink_unicast+0x449/0x710 [ 4917.623243][ T74] netlink_sendmsg+0x723/0xbe0 [ 4917.623243][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4917.623243][ T74] ___sys_sendmsg+0xee/0x170 [ 4917.623243][ T74] __sys_sendmsg+0xcd/0x170 [ 4917.623243][ T74] do_syscall_64+0xc6/0x1e0 [ 4917.623243][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4917.623243][ T74] [ 4917.625121][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4917.625121][ T74] netdev_get_by_index+0x5e/0x80 [ 4917.625121][ T74] fib6_nh_init+0x3d8/0x1580 [ 4917.625121][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4917.625121][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4917.625121][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4917.625121][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4917.625121][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4917.625121][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4917.625121][ T74] addrconf_dad_begin+0x310/0x670 [ 4917.625121][ T74] addrconf_dad_work+0x10b/0xab0 [ 4917.625121][ T74] process_one_work+0x84d/0x18a0 [ 4917.625121][ T74] worker_thread+0x587/0xd30 [ 4917.625121][ T74] kthread+0x28a/0x350 [ 4917.625121][ T74] ret_from_fork+0x31/0x70 [ 4917.625121][ T74] ret_from_fork_asm+0x1a/0x30 [ 4917.625121][ T74] [ 4917.627019][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4917.627019][ T74] netdev_get_by_index+0x5e/0x80 [ 4917.627019][ T74] fib6_nh_init+0x3d8/0x1580 [ 4917.627019][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4917.627019][ T74] ip6_route_add+0x1c/0x140 [ 4917.627019][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4917.627019][ T74] inet6_addr_add+0x4f8/0xa40 [ 4917.627019][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4917.627019][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4917.627019][ T74] netlink_rcv_skb+0x130/0x360 [ 4917.627019][ T74] netlink_unicast+0x449/0x710 [ 4917.627019][ T74] netlink_sendmsg+0x723/0xbe0 [ 4917.627019][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4917.627019][ T74] ___sys_sendmsg+0xee/0x170 [ 4917.627019][ T74] __sys_sendmsg+0xcd/0x170 [ 4917.627019][ T74] do_syscall_64+0xc6/0x1e0 [ 4917.627019][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4917.627019][ T74] [ 4917.628991][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4917.628991][ T74] netdev_get_by_index+0x5e/0x80 [ 4917.628991][ T74] fib6_nh_init+0x3d8/0x1580 [ 4917.628991][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4917.628991][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4917.628991][ T74] ipv6_add_addr+0x411/0x2000 [ 4917.628991][ T74] inet6_addr_add+0x30e/0xa40 [ 4917.628991][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4917.628991][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4917.628991][ T74] netlink_rcv_skb+0x130/0x360 [ 4917.628991][ T74] netlink_unicast+0x449/0x710 [ 4917.628991][ T74] netlink_sendmsg+0x723/0xbe0 [ 4917.628991][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4917.628991][ T74] ___sys_sendmsg+0xee/0x170 [ 4917.628991][ T74] __sys_sendmsg+0xcd/0x170 [ 4917.628991][ T74] do_syscall_64+0xc6/0x1e0 [ 4917.628991][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4917.628991][ T74] [ 4917.630966][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4917.630966][ T74] netdev_get_by_index+0x5e/0x80 [ 4917.630966][ T74] fib6_nh_init+0x3d8/0x1580 [ 4917.630966][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4917.630966][ T74] ip6_route_add+0x1c/0x140 [ 4917.630966][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4917.630966][ T74] addrconf_add_dev+0xe2/0x170 [ 4917.630966][ T74] inet6_addr_add+0x12f/0xa40 [ 4917.630966][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4917.630966][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4917.630966][ T74] netlink_rcv_skb+0x130/0x360 [ 4917.630966][ T74] netlink_unicast+0x449/0x710 [ 4917.630966][ T74] netlink_sendmsg+0x723/0xbe0 [ 4917.630966][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4917.630966][ T74] ___sys_sendmsg+0xee/0x170 [ 4917.630966][ T74] __sys_sendmsg+0xcd/0x170 [ 4917.630966][ T74] do_syscall_64+0xc6/0x1e0 [ 4917.630966][ T74] [ 4917.632901][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4917.632901][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4917.632901][ T74] ipv6_find_idev+0x102/0x170 [ 4917.632901][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4917.632901][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4917.632901][ T74] netlink_rcv_skb+0x130/0x360 [ 4917.632901][ T74] netlink_unicast+0x449/0x710 [ 4917.632901][ T74] netlink_sendmsg+0x723/0xbe0 [ 4917.632901][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4917.632901][ T74] ___sys_sendmsg+0xee/0x170 [ 4917.632901][ T74] __sys_sendmsg+0xcd/0x170 [ 4917.632901][ T74] do_syscall_64+0xc6/0x1e0 [ 4917.632901][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4917.632901][ T74] [ 4917.634618][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4917.634618][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4917.634618][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4917.634618][ T74] ipv6_find_idev+0x102/0x170 [ 4917.634618][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4917.634618][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4917.634618][ T74] netlink_rcv_skb+0x130/0x360 [ 4917.634618][ T74] netlink_unicast+0x449/0x710 [ 4917.634618][ T74] netlink_sendmsg+0x723/0xbe0 [ 4917.634618][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4917.634618][ T74] ___sys_sendmsg+0xee/0x170 [ 4917.634618][ T74] __sys_sendmsg+0xcd/0x170 [ 4917.634618][ T74] do_syscall_64+0xc6/0x1e0 [ 4917.634618][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4917.634618][ T74] [ 4917.636528][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4917.636779][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4917.636779][ T74] netdev_get_by_index+0x5e/0x80 [ 4917.636779][ T74] fib6_nh_init+0x3d8/0x1580 [ 4917.636779][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4917.636779][ T74] ip6_route_add+0x1c/0x140 [ 4917.636779][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4917.636779][ T74] inet6_addr_add+0x4f8/0xa40 [ 4917.636779][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4917.636779][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4917.636779][ T74] netlink_rcv_skb+0x130/0x360 [ 4917.636779][ T74] netlink_unicast+0x449/0x710 [ 4917.636779][ T74] netlink_sendmsg+0x723/0xbe0 [ 4917.636779][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4917.636779][ T74] ___sys_sendmsg+0xee/0x170 [ 4917.636779][ T74] __sys_sendmsg+0xcd/0x170 [ 4917.636779][ T74] do_syscall_64+0xc6/0x1e0 [ 4917.636779][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4917.636779][ T74] [ 4917.639000][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4917.639000][ T74] netdev_get_by_index+0x5e/0x80 [ 4917.639000][ T74] fib6_nh_init+0x3d8/0x1580 [ 4917.639000][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4917.639000][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4917.639000][ T74] ipv6_add_addr+0x411/0x2000 [ 4917.639000][ T74] inet6_addr_add+0x30e/0xa40 [ 4917.639000][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4917.639000][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4917.639000][ T74] netlink_rcv_skb+0x130/0x360 [ 4917.639000][ T74] netlink_unicast+0x449/0x710 [ 4917.639000][ T74] netlink_sendmsg+0x723/0xbe0 [ 4917.639000][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4917.639000][ T74] ___sys_sendmsg+0xee/0x170 [ 4917.639000][ T74] __sys_sendmsg+0xcd/0x170 [ 4917.639000][ T74] do_syscall_64+0xc6/0x1e0 [ 4917.639000][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4917.639000][ T74] [ 4917.641216][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4917.641216][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4917.641216][ T74] ipv6_find_idev+0x102/0x170 [ 4917.641216][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4917.641216][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4917.641216][ T74] netlink_rcv_skb+0x130/0x360 [ 4917.641216][ T74] netlink_unicast+0x449/0x710 [ 4917.641216][ T74] netlink_sendmsg+0x723/0xbe0 [ 4917.641216][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4917.641216][ T74] ___sys_sendmsg+0xee/0x170 [ 4917.641216][ T74] __sys_sendmsg+0xcd/0x170 [ 4917.641216][ T74] do_syscall_64+0xc6/0x1e0 [ 4917.641216][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4917.641216][ T74] [ 4917.642924][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4917.642924][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4917.642924][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4917.642924][ T74] ipv6_find_idev+0x102/0x170 [ 4917.642924][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4917.642924][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4917.642924][ T74] netlink_rcv_skb+0x130/0x360 [ 4917.642924][ T74] netlink_unicast+0x449/0x710 [ 4917.642924][ T74] netlink_sendmsg+0x723/0xbe0 [ 4917.642924][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4917.642924][ T74] ___sys_sendmsg+0xee/0x170 [ 4917.642924][ T74] __sys_sendmsg+0xcd/0x170 [ 4917.642924][ T74] do_syscall_64+0xc6/0x1e0 [ 4917.642924][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4917.642924][ T74] [ 4927.711985][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4927.712414][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4927.712414][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4927.712414][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4927.712414][ T74] fib6_nh_init+0xa22/0x1580 [ 4927.712414][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4927.712414][ T74] ip6_route_add+0x1c/0x140 [ 4927.712414][ T74] inet6_rtm_newroute+0x104/0x110 [ 4927.712414][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4927.712414][ T74] netlink_rcv_skb+0x130/0x360 [ 4927.712414][ T74] netlink_unicast+0x449/0x710 [ 4927.712414][ T74] netlink_sendmsg+0x723/0xbe0 [ 4927.712414][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4927.712414][ T74] ___sys_sendmsg+0xee/0x170 [ 4927.712414][ T74] __sys_sendmsg+0xcd/0x170 [ 4927.712414][ T74] do_syscall_64+0xc6/0x1e0 [ 4927.712414][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4927.712414][ T74] [ 4927.714303][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4927.714303][ T74] netdev_get_by_index+0x5e/0x80 [ 4927.714303][ T74] fib6_nh_init+0x3d8/0x1580 [ 4927.714303][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4927.714303][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4927.714303][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4927.714303][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4927.714303][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4927.714303][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4927.714303][ T74] addrconf_dad_begin+0x310/0x670 [ 4927.714303][ T74] addrconf_dad_work+0x10b/0xab0 [ 4927.714303][ T74] process_one_work+0x84d/0x18a0 [ 4927.714303][ T74] worker_thread+0x587/0xd30 [ 4927.714303][ T74] kthread+0x28a/0x350 [ 4927.714303][ T74] ret_from_fork+0x31/0x70 [ 4927.714303][ T74] ret_from_fork_asm+0x1a/0x30 [ 4927.714303][ T74] [ 4927.716215][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4927.716215][ T74] netdev_get_by_index+0x5e/0x80 [ 4927.716215][ T74] fib6_nh_init+0x3d8/0x1580 [ 4927.716215][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4927.716215][ T74] ip6_route_add+0x1c/0x140 [ 4927.716215][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4927.716215][ T74] inet6_addr_add+0x4f8/0xa40 [ 4927.716215][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4927.716215][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4927.716215][ T74] netlink_rcv_skb+0x130/0x360 [ 4927.716215][ T74] netlink_unicast+0x449/0x710 [ 4927.716215][ T74] netlink_sendmsg+0x723/0xbe0 [ 4927.716215][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4927.716215][ T74] ___sys_sendmsg+0xee/0x170 [ 4927.716215][ T74] __sys_sendmsg+0xcd/0x170 [ 4927.716215][ T74] do_syscall_64+0xc6/0x1e0 [ 4927.716215][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4927.716215][ T74] [ 4927.718203][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4927.718203][ T74] netdev_get_by_index+0x5e/0x80 [ 4927.718203][ T74] fib6_nh_init+0x3d8/0x1580 [ 4927.718203][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4927.718203][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4927.718203][ T74] ipv6_add_addr+0x411/0x2000 [ 4927.718203][ T74] inet6_addr_add+0x30e/0xa40 [ 4927.718203][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4927.718203][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4927.718203][ T74] netlink_rcv_skb+0x130/0x360 [ 4927.718203][ T74] netlink_unicast+0x449/0x710 [ 4927.718203][ T74] netlink_sendmsg+0x723/0xbe0 [ 4927.718203][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4927.718203][ T74] ___sys_sendmsg+0xee/0x170 [ 4927.718203][ T74] __sys_sendmsg+0xcd/0x170 [ 4927.718203][ T74] do_syscall_64+0xc6/0x1e0 [ 4927.718203][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4927.718203][ T74] [ 4927.720189][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4927.720189][ T74] netdev_get_by_index+0x5e/0x80 [ 4927.720189][ T74] fib6_nh_init+0x3d8/0x1580 [ 4927.720189][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4927.720189][ T74] ip6_route_add+0x1c/0x140 [ 4927.720189][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4927.720189][ T74] addrconf_add_dev+0xe2/0x170 [ 4927.720189][ T74] inet6_addr_add+0x12f/0xa40 [ 4927.720189][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4927.720189][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4927.720189][ T74] netlink_rcv_skb+0x130/0x360 [ 4927.720189][ T74] netlink_unicast+0x449/0x710 [ 4927.720189][ T74] netlink_sendmsg+0x723/0xbe0 [ 4927.720189][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4927.720189][ T74] ___sys_sendmsg+0xee/0x170 [ 4927.720189][ T74] __sys_sendmsg+0xcd/0x170 [ 4927.720189][ T74] do_syscall_64+0xc6/0x1e0 [ 4927.720189][ T74] [ 4927.722134][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4927.722134][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4927.722134][ T74] ipv6_find_idev+0x102/0x170 [ 4927.722134][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4927.722134][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4927.722134][ T74] netlink_rcv_skb+0x130/0x360 [ 4927.722134][ T74] netlink_unicast+0x449/0x710 [ 4927.722134][ T74] netlink_sendmsg+0x723/0xbe0 [ 4927.722134][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4927.722134][ T74] ___sys_sendmsg+0xee/0x170 [ 4927.722134][ T74] __sys_sendmsg+0xcd/0x170 [ 4927.722134][ T74] do_syscall_64+0xc6/0x1e0 [ 4927.722134][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4927.722134][ T74] [ 4927.723808][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4927.723808][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4927.723808][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4927.723808][ T74] ipv6_find_idev+0x102/0x170 [ 4927.723808][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4927.723808][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4927.723808][ T74] netlink_rcv_skb+0x130/0x360 [ 4927.723808][ T74] netlink_unicast+0x449/0x710 [ 4927.723808][ T74] netlink_sendmsg+0x723/0xbe0 [ 4927.723808][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4927.723808][ T74] ___sys_sendmsg+0xee/0x170 [ 4927.723808][ T74] __sys_sendmsg+0xcd/0x170 [ 4927.723808][ T74] do_syscall_64+0xc6/0x1e0 [ 4927.723808][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4927.723808][ T74] [ 4927.725494][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4927.725771][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4927.725771][ T74] dst_init+0x84/0x4a0 [ 4927.725771][ T74] dst_alloc+0x97/0x150 [ 4927.725771][ T74] ip6_dst_alloc+0x23/0x90 [ 4927.725771][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4927.725771][ T74] ip6_pol_route+0x56f/0x840 [ 4927.725771][ T74] fib6_rule_lookup+0x456/0x630 [ 4927.725771][ T74] ip6_route_input+0x59c/0xa50 [ 4927.725771][ T74] ipv6_rcv+0x397/0x810 [ 4927.725771][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4927.725771][ T74] process_backlog+0x101/0x620 [ 4927.725771][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4927.725771][ T74] net_rx_action+0x495/0xbe0 [ 4927.725771][ T74] __do_softirq+0x1b5/0x7f6 [ 4927.725771][ T74] [ 4927.727399][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4927.727399][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4927.727399][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4927.727399][ T74] fib6_nh_init+0xa22/0x1580 [ 4927.727399][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4927.727399][ T74] ip6_route_add+0x1c/0x140 [ 4927.727399][ T74] inet6_rtm_newroute+0x104/0x110 [ 4927.727399][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4927.727399][ T74] netlink_rcv_skb+0x130/0x360 [ 4927.727399][ T74] netlink_unicast+0x449/0x710 [ 4927.727399][ T74] netlink_sendmsg+0x723/0xbe0 [ 4927.727399][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4927.727399][ T74] ___sys_sendmsg+0xee/0x170 [ 4927.727399][ T74] __sys_sendmsg+0xcd/0x170 [ 4927.727399][ T74] do_syscall_64+0xc6/0x1e0 [ 4927.727399][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4927.727399][ T74] [ 4927.729261][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4927.729261][ T74] netdev_get_by_index+0x5e/0x80 [ 4927.729261][ T74] fib6_nh_init+0x3d8/0x1580 [ 4927.729261][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4927.729261][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4927.729261][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4927.729261][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4927.729261][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4927.729261][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4927.729261][ T74] addrconf_dad_begin+0x310/0x670 [ 4927.729261][ T74] addrconf_dad_work+0x10b/0xab0 [ 4927.729261][ T74] process_one_work+0x84d/0x18a0 [ 4927.729261][ T74] worker_thread+0x587/0xd30 [ 4927.729261][ T74] kthread+0x28a/0x350 [ 4927.729261][ T74] ret_from_fork+0x31/0x70 [ 4927.729261][ T74] ret_from_fork_asm+0x1a/0x30 [ 4927.729261][ T74] [ 4927.731145][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4927.731145][ T74] netdev_get_by_index+0x5e/0x80 [ 4927.731145][ T74] fib6_nh_init+0x3d8/0x1580 [ 4927.731145][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4927.731145][ T74] ip6_route_add+0x1c/0x140 [ 4927.731145][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4927.731145][ T74] inet6_addr_add+0x4f8/0xa40 [ 4927.731145][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4927.731145][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4927.731145][ T74] netlink_rcv_skb+0x130/0x360 [ 4927.731145][ T74] netlink_unicast+0x449/0x710 [ 4927.731145][ T74] netlink_sendmsg+0x723/0xbe0 [ 4927.731145][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4927.731145][ T74] ___sys_sendmsg+0xee/0x170 [ 4927.731145][ T74] __sys_sendmsg+0xcd/0x170 [ 4927.731145][ T74] do_syscall_64+0xc6/0x1e0 [ 4927.731145][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4927.731145][ T74] [ 4927.733118][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4927.733118][ T74] netdev_get_by_index+0x5e/0x80 [ 4927.733118][ T74] fib6_nh_init+0x3d8/0x1580 [ 4927.733118][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4927.733118][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4927.733118][ T74] ipv6_add_addr+0x411/0x2000 [ 4927.733118][ T74] inet6_addr_add+0x30e/0xa40 [ 4927.733118][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4927.733118][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4927.733118][ T74] netlink_rcv_skb+0x130/0x360 [ 4927.733118][ T74] netlink_unicast+0x449/0x710 [ 4927.733118][ T74] netlink_sendmsg+0x723/0xbe0 [ 4927.733118][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4927.733118][ T74] ___sys_sendmsg+0xee/0x170 [ 4927.733118][ T74] __sys_sendmsg+0xcd/0x170 [ 4927.733118][ T74] do_syscall_64+0xc6/0x1e0 [ 4927.733118][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4927.733118][ T74] [ 4927.735093][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4927.735093][ T74] netdev_get_by_index+0x5e/0x80 [ 4927.735093][ T74] fib6_nh_init+0x3d8/0x1580 [ 4927.735093][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4927.735093][ T74] ip6_route_add+0x1c/0x140 [ 4927.735093][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4927.735093][ T74] addrconf_add_dev+0xe2/0x170 [ 4927.735093][ T74] inet6_addr_add+0x12f/0xa40 [ 4927.735093][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4927.735093][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4927.735093][ T74] netlink_rcv_skb+0x130/0x360 [ 4927.735093][ T74] netlink_unicast+0x449/0x710 [ 4927.735093][ T74] netlink_sendmsg+0x723/0xbe0 [ 4927.735093][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4927.735093][ T74] ___sys_sendmsg+0xee/0x170 [ 4927.735093][ T74] __sys_sendmsg+0xcd/0x170 [ 4927.735093][ T74] do_syscall_64+0xc6/0x1e0 [ 4927.735093][ T74] [ 4927.737037][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4927.737037][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4927.737037][ T74] ipv6_find_idev+0x102/0x170 [ 4927.737037][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4927.737037][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4927.737037][ T74] netlink_rcv_skb+0x130/0x360 [ 4927.737037][ T74] netlink_unicast+0x449/0x710 [ 4927.737037][ T74] netlink_sendmsg+0x723/0xbe0 [ 4927.737037][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4927.737037][ T74] ___sys_sendmsg+0xee/0x170 [ 4927.737037][ T74] __sys_sendmsg+0xcd/0x170 [ 4927.737037][ T74] do_syscall_64+0xc6/0x1e0 [ 4927.737037][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4927.737037][ T74] [ 4927.738737][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4927.738737][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4927.738737][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4927.738737][ T74] ipv6_find_idev+0x102/0x170 [ 4927.738737][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4927.738737][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4927.738737][ T74] netlink_rcv_skb+0x130/0x360 [ 4927.738737][ T74] netlink_unicast+0x449/0x710 [ 4927.738737][ T74] netlink_sendmsg+0x723/0xbe0 [ 4927.738737][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4927.738737][ T74] ___sys_sendmsg+0xee/0x170 [ 4927.738737][ T74] __sys_sendmsg+0xcd/0x170 [ 4927.738737][ T74] do_syscall_64+0xc6/0x1e0 [ 4927.738737][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4927.738737][ T74] [ 4927.740638][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4927.740890][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4927.740890][ T74] netdev_get_by_index+0x5e/0x80 [ 4927.740890][ T74] fib6_nh_init+0x3d8/0x1580 [ 4927.740890][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4927.740890][ T74] ip6_route_add+0x1c/0x140 [ 4927.740890][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4927.740890][ T74] inet6_addr_add+0x4f8/0xa40 [ 4927.740890][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4927.740890][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4927.740890][ T74] netlink_rcv_skb+0x130/0x360 [ 4927.740890][ T74] netlink_unicast+0x449/0x710 [ 4927.740890][ T74] netlink_sendmsg+0x723/0xbe0 [ 4927.740890][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4927.740890][ T74] ___sys_sendmsg+0xee/0x170 [ 4927.740890][ T74] __sys_sendmsg+0xcd/0x170 [ 4927.740890][ T74] do_syscall_64+0xc6/0x1e0 [ 4927.740890][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4927.740890][ T74] [ 4927.743107][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4927.743107][ T74] netdev_get_by_index+0x5e/0x80 [ 4927.743107][ T74] fib6_nh_init+0x3d8/0x1580 [ 4927.743107][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4927.743107][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4927.743107][ T74] ipv6_add_addr+0x411/0x2000 [ 4927.743107][ T74] inet6_addr_add+0x30e/0xa40 [ 4927.743107][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4927.743107][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4927.743107][ T74] netlink_rcv_skb+0x130/0x360 [ 4927.743107][ T74] netlink_unicast+0x449/0x710 [ 4927.743107][ T74] netlink_sendmsg+0x723/0xbe0 [ 4927.743107][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4927.743107][ T74] ___sys_sendmsg+0xee/0x170 [ 4927.743107][ T74] __sys_sendmsg+0xcd/0x170 [ 4927.743107][ T74] do_syscall_64+0xc6/0x1e0 [ 4927.743107][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4927.743107][ T74] [ 4927.745313][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4927.745313][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4927.745313][ T74] ipv6_find_idev+0x102/0x170 [ 4927.745313][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4927.745313][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4927.745313][ T74] netlink_rcv_skb+0x130/0x360 [ 4927.745313][ T74] netlink_unicast+0x449/0x710 [ 4927.745313][ T74] netlink_sendmsg+0x723/0xbe0 [ 4927.745313][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4927.745313][ T74] ___sys_sendmsg+0xee/0x170 [ 4927.745313][ T74] __sys_sendmsg+0xcd/0x170 [ 4927.745313][ T74] do_syscall_64+0xc6/0x1e0 [ 4927.745313][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4927.745313][ T74] [ 4927.747030][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4927.747030][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4927.747030][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4927.747030][ T74] ipv6_find_idev+0x102/0x170 [ 4927.747030][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4927.747030][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4927.747030][ T74] netlink_rcv_skb+0x130/0x360 [ 4927.747030][ T74] netlink_unicast+0x449/0x710 [ 4927.747030][ T74] netlink_sendmsg+0x723/0xbe0 [ 4927.747030][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4927.747030][ T74] ___sys_sendmsg+0xee/0x170 [ 4927.747030][ T74] __sys_sendmsg+0xcd/0x170 [ 4927.747030][ T74] do_syscall_64+0xc6/0x1e0 [ 4927.747030][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4927.747030][ T74] [ 4937.871969][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4937.872396][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4937.872396][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4937.872396][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4937.872396][ T74] fib6_nh_init+0xa22/0x1580 [ 4937.872396][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4937.872396][ T74] ip6_route_add+0x1c/0x140 [ 4937.872396][ T74] inet6_rtm_newroute+0x104/0x110 [ 4937.872396][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4937.872396][ T74] netlink_rcv_skb+0x130/0x360 [ 4937.872396][ T74] netlink_unicast+0x449/0x710 [ 4937.872396][ T74] netlink_sendmsg+0x723/0xbe0 [ 4937.872396][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4937.872396][ T74] ___sys_sendmsg+0xee/0x170 [ 4937.872396][ T74] __sys_sendmsg+0xcd/0x170 [ 4937.872396][ T74] do_syscall_64+0xc6/0x1e0 [ 4937.872396][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4937.872396][ T74] [ 4937.874314][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4937.874314][ T74] netdev_get_by_index+0x5e/0x80 [ 4937.874314][ T74] fib6_nh_init+0x3d8/0x1580 [ 4937.874314][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4937.874314][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4937.874314][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4937.874314][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4937.874314][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4937.874314][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4937.874314][ T74] addrconf_dad_begin+0x310/0x670 [ 4937.874314][ T74] addrconf_dad_work+0x10b/0xab0 [ 4937.874314][ T74] process_one_work+0x84d/0x18a0 [ 4937.874314][ T74] worker_thread+0x587/0xd30 [ 4937.874314][ T74] kthread+0x28a/0x350 [ 4937.874314][ T74] ret_from_fork+0x31/0x70 [ 4937.874314][ T74] ret_from_fork_asm+0x1a/0x30 [ 4937.874314][ T74] [ 4937.876253][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4937.876253][ T74] netdev_get_by_index+0x5e/0x80 [ 4937.876253][ T74] fib6_nh_init+0x3d8/0x1580 [ 4937.876253][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4937.876253][ T74] ip6_route_add+0x1c/0x140 [ 4937.876253][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4937.876253][ T74] inet6_addr_add+0x4f8/0xa40 [ 4937.876253][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4937.876253][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4937.876253][ T74] netlink_rcv_skb+0x130/0x360 [ 4937.876253][ T74] netlink_unicast+0x449/0x710 [ 4937.876253][ T74] netlink_sendmsg+0x723/0xbe0 [ 4937.876253][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4937.876253][ T74] ___sys_sendmsg+0xee/0x170 [ 4937.876253][ T74] __sys_sendmsg+0xcd/0x170 [ 4937.876253][ T74] do_syscall_64+0xc6/0x1e0 [ 4937.876253][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4937.876253][ T74] [ 4937.878267][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4937.878267][ T74] netdev_get_by_index+0x5e/0x80 [ 4937.878267][ T74] fib6_nh_init+0x3d8/0x1580 [ 4937.878267][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4937.878267][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4937.878267][ T74] ipv6_add_addr+0x411/0x2000 [ 4937.878267][ T74] inet6_addr_add+0x30e/0xa40 [ 4937.878267][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4937.878267][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4937.878267][ T74] netlink_rcv_skb+0x130/0x360 [ 4937.878267][ T74] netlink_unicast+0x449/0x710 [ 4937.878267][ T74] netlink_sendmsg+0x723/0xbe0 [ 4937.878267][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4937.878267][ T74] ___sys_sendmsg+0xee/0x170 [ 4937.878267][ T74] __sys_sendmsg+0xcd/0x170 [ 4937.878267][ T74] do_syscall_64+0xc6/0x1e0 [ 4937.878267][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4937.878267][ T74] [ 4937.880282][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4937.880282][ T74] netdev_get_by_index+0x5e/0x80 [ 4937.880282][ T74] fib6_nh_init+0x3d8/0x1580 [ 4937.880282][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4937.880282][ T74] ip6_route_add+0x1c/0x140 [ 4937.880282][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4937.880282][ T74] addrconf_add_dev+0xe2/0x170 [ 4937.880282][ T74] inet6_addr_add+0x12f/0xa40 [ 4937.880282][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4937.880282][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4937.880282][ T74] netlink_rcv_skb+0x130/0x360 [ 4937.880282][ T74] netlink_unicast+0x449/0x710 [ 4937.880282][ T74] netlink_sendmsg+0x723/0xbe0 [ 4937.880282][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4937.880282][ T74] ___sys_sendmsg+0xee/0x170 [ 4937.880282][ T74] __sys_sendmsg+0xcd/0x170 [ 4937.880282][ T74] do_syscall_64+0xc6/0x1e0 [ 4937.880282][ T74] [ 4937.882262][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4937.882262][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4937.882262][ T74] ipv6_find_idev+0x102/0x170 [ 4937.882262][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4937.882262][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4937.882262][ T74] netlink_rcv_skb+0x130/0x360 [ 4937.882262][ T74] netlink_unicast+0x449/0x710 [ 4937.882262][ T74] netlink_sendmsg+0x723/0xbe0 [ 4937.882262][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4937.882262][ T74] ___sys_sendmsg+0xee/0x170 [ 4937.882262][ T74] __sys_sendmsg+0xcd/0x170 [ 4937.882262][ T74] do_syscall_64+0xc6/0x1e0 [ 4937.882262][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4937.882262][ T74] [ 4937.883811][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4937.883811][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4937.883811][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4937.883811][ T74] ipv6_find_idev+0x102/0x170 [ 4937.883811][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4937.883811][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4937.883811][ T74] netlink_rcv_skb+0x130/0x360 [ 4937.883811][ T74] netlink_unicast+0x449/0x710 [ 4937.883811][ T74] netlink_sendmsg+0x723/0xbe0 [ 4937.883811][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4937.883811][ T74] ___sys_sendmsg+0xee/0x170 [ 4937.883811][ T74] __sys_sendmsg+0xcd/0x170 [ 4937.883811][ T74] do_syscall_64+0xc6/0x1e0 [ 4937.883811][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4937.883811][ T74] [ 4937.885527][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4937.885806][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4937.885806][ T74] dst_init+0x84/0x4a0 [ 4937.885806][ T74] dst_alloc+0x97/0x150 [ 4937.885806][ T74] ip6_dst_alloc+0x23/0x90 [ 4937.885806][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4937.885806][ T74] ip6_pol_route+0x56f/0x840 [ 4937.885806][ T74] fib6_rule_lookup+0x456/0x630 [ 4937.885806][ T74] ip6_route_input+0x59c/0xa50 [ 4937.885806][ T74] ipv6_rcv+0x397/0x810 [ 4937.885806][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4937.885806][ T74] process_backlog+0x101/0x620 [ 4937.885806][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4937.885806][ T74] net_rx_action+0x495/0xbe0 [ 4937.885806][ T74] __do_softirq+0x1b5/0x7f6 [ 4937.885806][ T74] [ 4937.887447][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4937.887447][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4937.887447][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4937.887447][ T74] fib6_nh_init+0xa22/0x1580 [ 4937.887447][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4937.887447][ T74] ip6_route_add+0x1c/0x140 [ 4937.887447][ T74] inet6_rtm_newroute+0x104/0x110 [ 4937.887447][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4937.887447][ T74] netlink_rcv_skb+0x130/0x360 [ 4937.887447][ T74] netlink_unicast+0x449/0x710 [ 4937.887447][ T74] netlink_sendmsg+0x723/0xbe0 [ 4937.887447][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4937.887447][ T74] ___sys_sendmsg+0xee/0x170 [ 4937.887447][ T74] __sys_sendmsg+0xcd/0x170 [ 4937.887447][ T74] do_syscall_64+0xc6/0x1e0 [ 4937.887447][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4937.887447][ T74] [ 4937.889327][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4937.889327][ T74] netdev_get_by_index+0x5e/0x80 [ 4937.889327][ T74] fib6_nh_init+0x3d8/0x1580 [ 4937.889327][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4937.889327][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4937.889327][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4937.889327][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4937.889327][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4937.889327][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4937.889327][ T74] addrconf_dad_begin+0x310/0x670 [ 4937.889327][ T74] addrconf_dad_work+0x10b/0xab0 [ 4937.889327][ T74] process_one_work+0x84d/0x18a0 [ 4937.889327][ T74] worker_thread+0x587/0xd30 [ 4937.889327][ T74] kthread+0x28a/0x350 [ 4937.889327][ T74] ret_from_fork+0x31/0x70 [ 4937.889327][ T74] ret_from_fork_asm+0x1a/0x30 [ 4937.889327][ T74] [ 4937.891241][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4937.891241][ T74] netdev_get_by_index+0x5e/0x80 [ 4937.891241][ T74] fib6_nh_init+0x3d8/0x1580 [ 4937.891241][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4937.891241][ T74] ip6_route_add+0x1c/0x140 [ 4937.891241][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4937.891241][ T74] inet6_addr_add+0x4f8/0xa40 [ 4937.891241][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4937.891241][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4937.891241][ T74] netlink_rcv_skb+0x130/0x360 [ 4937.891241][ T74] netlink_unicast+0x449/0x710 [ 4937.891241][ T74] netlink_sendmsg+0x723/0xbe0 [ 4937.891241][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4937.891241][ T74] ___sys_sendmsg+0xee/0x170 [ 4937.891241][ T74] __sys_sendmsg+0xcd/0x170 [ 4937.891241][ T74] do_syscall_64+0xc6/0x1e0 [ 4937.891241][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4937.891241][ T74] [ 4937.893254][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4937.893254][ T74] netdev_get_by_index+0x5e/0x80 [ 4937.893254][ T74] fib6_nh_init+0x3d8/0x1580 [ 4937.893254][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4937.893254][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4937.893254][ T74] ipv6_add_addr+0x411/0x2000 [ 4937.893254][ T74] inet6_addr_add+0x30e/0xa40 [ 4937.893254][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4937.893254][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4937.893254][ T74] netlink_rcv_skb+0x130/0x360 [ 4937.893254][ T74] netlink_unicast+0x449/0x710 [ 4937.893254][ T74] netlink_sendmsg+0x723/0xbe0 [ 4937.893254][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4937.893254][ T74] ___sys_sendmsg+0xee/0x170 [ 4937.893254][ T74] __sys_sendmsg+0xcd/0x170 [ 4937.893254][ T74] do_syscall_64+0xc6/0x1e0 [ 4937.893254][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4937.893254][ T74] [ 4937.895289][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4937.895289][ T74] netdev_get_by_index+0x5e/0x80 [ 4937.895289][ T74] fib6_nh_init+0x3d8/0x1580 [ 4937.895289][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4937.895289][ T74] ip6_route_add+0x1c/0x140 [ 4937.895289][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4937.895289][ T74] addrconf_add_dev+0xe2/0x170 [ 4937.895289][ T74] inet6_addr_add+0x12f/0xa40 [ 4937.895289][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4937.895289][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4937.895289][ T74] netlink_rcv_skb+0x130/0x360 [ 4937.895289][ T74] netlink_unicast+0x449/0x710 [ 4937.895289][ T74] netlink_sendmsg+0x723/0xbe0 [ 4937.895289][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4937.895289][ T74] ___sys_sendmsg+0xee/0x170 [ 4937.895289][ T74] __sys_sendmsg+0xcd/0x170 [ 4937.895289][ T74] do_syscall_64+0xc6/0x1e0 [ 4937.895289][ T74] [ 4937.897257][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4937.897257][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4937.897257][ T74] ipv6_find_idev+0x102/0x170 [ 4937.897257][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4937.897257][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4937.897257][ T74] netlink_rcv_skb+0x130/0x360 [ 4937.897257][ T74] netlink_unicast+0x449/0x710 [ 4937.897257][ T74] netlink_sendmsg+0x723/0xbe0 [ 4937.897257][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4937.897257][ T74] ___sys_sendmsg+0xee/0x170 [ 4937.897257][ T74] __sys_sendmsg+0xcd/0x170 [ 4937.897257][ T74] do_syscall_64+0xc6/0x1e0 [ 4937.897257][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4937.897257][ T74] [ 4937.898982][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4937.898982][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4937.898982][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4937.898982][ T74] ipv6_find_idev+0x102/0x170 [ 4937.898982][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4937.898982][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4937.898982][ T74] netlink_rcv_skb+0x130/0x360 [ 4937.898982][ T74] netlink_unicast+0x449/0x710 [ 4937.898982][ T74] netlink_sendmsg+0x723/0xbe0 [ 4937.898982][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4937.898982][ T74] ___sys_sendmsg+0xee/0x170 [ 4937.898982][ T74] __sys_sendmsg+0xcd/0x170 [ 4937.898982][ T74] do_syscall_64+0xc6/0x1e0 [ 4937.898982][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4937.898982][ T74] [ 4937.900925][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4937.901222][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4937.901222][ T74] netdev_get_by_index+0x5e/0x80 [ 4937.901222][ T74] fib6_nh_init+0x3d8/0x1580 [ 4937.901222][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4937.901222][ T74] ip6_route_add+0x1c/0x140 [ 4937.901222][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4937.901222][ T74] inet6_addr_add+0x4f8/0xa40 [ 4937.901222][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4937.901222][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4937.901222][ T74] netlink_rcv_skb+0x130/0x360 [ 4937.901222][ T74] netlink_unicast+0x449/0x710 [ 4937.901222][ T74] netlink_sendmsg+0x723/0xbe0 [ 4937.901222][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4937.901222][ T74] ___sys_sendmsg+0xee/0x170 [ 4937.901222][ T74] __sys_sendmsg+0xcd/0x170 [ 4937.901222][ T74] do_syscall_64+0xc6/0x1e0 [ 4937.901222][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4937.901222][ T74] [ 4937.903399][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4937.903399][ T74] netdev_get_by_index+0x5e/0x80 [ 4937.903399][ T74] fib6_nh_init+0x3d8/0x1580 [ 4937.903399][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4937.903399][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4937.903399][ T74] ipv6_add_addr+0x411/0x2000 [ 4937.903399][ T74] inet6_addr_add+0x30e/0xa40 [ 4937.903399][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4937.903399][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4937.903399][ T74] netlink_rcv_skb+0x130/0x360 [ 4937.903399][ T74] netlink_unicast+0x449/0x710 [ 4937.903399][ T74] netlink_sendmsg+0x723/0xbe0 [ 4937.903399][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4937.903399][ T74] ___sys_sendmsg+0xee/0x170 [ 4937.903399][ T74] __sys_sendmsg+0xcd/0x170 [ 4937.903399][ T74] do_syscall_64+0xc6/0x1e0 [ 4937.903399][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4937.903399][ T74] [ 4937.905652][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4937.905652][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4937.905652][ T74] ipv6_find_idev+0x102/0x170 [ 4937.905652][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4937.905652][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4937.905652][ T74] netlink_rcv_skb+0x130/0x360 [ 4937.905652][ T74] netlink_unicast+0x449/0x710 [ 4937.905652][ T74] netlink_sendmsg+0x723/0xbe0 [ 4937.905652][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4937.905652][ T74] ___sys_sendmsg+0xee/0x170 [ 4937.905652][ T74] __sys_sendmsg+0xcd/0x170 [ 4937.905652][ T74] do_syscall_64+0xc6/0x1e0 [ 4937.905652][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4937.905652][ T74] [ 4937.907385][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4937.907385][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4937.907385][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4937.907385][ T74] ipv6_find_idev+0x102/0x170 [ 4937.907385][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4937.907385][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4937.907385][ T74] netlink_rcv_skb+0x130/0x360 [ 4937.907385][ T74] netlink_unicast+0x449/0x710 [ 4937.907385][ T74] netlink_sendmsg+0x723/0xbe0 [ 4937.907385][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4937.907385][ T74] ___sys_sendmsg+0xee/0x170 [ 4937.907385][ T74] __sys_sendmsg+0xcd/0x170 [ 4937.907385][ T74] do_syscall_64+0xc6/0x1e0 [ 4937.907385][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4937.907385][ T74] [ 4948.143939][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4948.144358][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4948.144358][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4948.144358][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4948.144358][ T74] fib6_nh_init+0xa22/0x1580 [ 4948.144358][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4948.144358][ T74] ip6_route_add+0x1c/0x140 [ 4948.144358][ T74] inet6_rtm_newroute+0x104/0x110 [ 4948.144358][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4948.144358][ T74] netlink_rcv_skb+0x130/0x360 [ 4948.144358][ T74] netlink_unicast+0x449/0x710 [ 4948.144358][ T74] netlink_sendmsg+0x723/0xbe0 [ 4948.144358][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4948.144358][ T74] ___sys_sendmsg+0xee/0x170 [ 4948.144358][ T74] __sys_sendmsg+0xcd/0x170 [ 4948.144358][ T74] do_syscall_64+0xc6/0x1e0 [ 4948.144358][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4948.144358][ T74] [ 4948.146309][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4948.146309][ T74] netdev_get_by_index+0x5e/0x80 [ 4948.146309][ T74] fib6_nh_init+0x3d8/0x1580 [ 4948.146309][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4948.146309][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4948.146309][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4948.146309][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4948.146309][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4948.146309][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4948.146309][ T74] addrconf_dad_begin+0x310/0x670 [ 4948.146309][ T74] addrconf_dad_work+0x10b/0xab0 [ 4948.146309][ T74] process_one_work+0x84d/0x18a0 [ 4948.146309][ T74] worker_thread+0x587/0xd30 [ 4948.146309][ T74] kthread+0x28a/0x350 [ 4948.146309][ T74] ret_from_fork+0x31/0x70 [ 4948.146309][ T74] ret_from_fork_asm+0x1a/0x30 [ 4948.146309][ T74] [ 4948.148214][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4948.148214][ T74] netdev_get_by_index+0x5e/0x80 [ 4948.148214][ T74] fib6_nh_init+0x3d8/0x1580 [ 4948.148214][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4948.148214][ T74] ip6_route_add+0x1c/0x140 [ 4948.148214][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4948.148214][ T74] inet6_addr_add+0x4f8/0xa40 [ 4948.148214][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4948.148214][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4948.148214][ T74] netlink_rcv_skb+0x130/0x360 [ 4948.148214][ T74] netlink_unicast+0x449/0x710 [ 4948.148214][ T74] netlink_sendmsg+0x723/0xbe0 [ 4948.148214][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4948.148214][ T74] ___sys_sendmsg+0xee/0x170 [ 4948.148214][ T74] __sys_sendmsg+0xcd/0x170 [ 4948.148214][ T74] do_syscall_64+0xc6/0x1e0 [ 4948.148214][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4948.148214][ T74] [ 4948.150192][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4948.150192][ T74] netdev_get_by_index+0x5e/0x80 [ 4948.150192][ T74] fib6_nh_init+0x3d8/0x1580 [ 4948.150192][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4948.150192][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4948.150192][ T74] ipv6_add_addr+0x411/0x2000 [ 4948.150192][ T74] inet6_addr_add+0x30e/0xa40 [ 4948.150192][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4948.150192][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4948.150192][ T74] netlink_rcv_skb+0x130/0x360 [ 4948.150192][ T74] netlink_unicast+0x449/0x710 [ 4948.150192][ T74] netlink_sendmsg+0x723/0xbe0 [ 4948.150192][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4948.150192][ T74] ___sys_sendmsg+0xee/0x170 [ 4948.150192][ T74] __sys_sendmsg+0xcd/0x170 [ 4948.150192][ T74] do_syscall_64+0xc6/0x1e0 [ 4948.150192][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4948.150192][ T74] [ 4948.152178][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4948.152178][ T74] netdev_get_by_index+0x5e/0x80 [ 4948.152178][ T74] fib6_nh_init+0x3d8/0x1580 [ 4948.152178][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4948.152178][ T74] ip6_route_add+0x1c/0x140 [ 4948.152178][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4948.152178][ T74] addrconf_add_dev+0xe2/0x170 [ 4948.152178][ T74] inet6_addr_add+0x12f/0xa40 [ 4948.152178][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4948.152178][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4948.152178][ T74] netlink_rcv_skb+0x130/0x360 [ 4948.152178][ T74] netlink_unicast+0x449/0x710 [ 4948.152178][ T74] netlink_sendmsg+0x723/0xbe0 [ 4948.152178][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4948.152178][ T74] ___sys_sendmsg+0xee/0x170 [ 4948.152178][ T74] __sys_sendmsg+0xcd/0x170 [ 4948.152178][ T74] do_syscall_64+0xc6/0x1e0 [ 4948.152178][ T74] [ 4948.154121][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4948.154121][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4948.154121][ T74] ipv6_find_idev+0x102/0x170 [ 4948.154121][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4948.154121][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4948.154121][ T74] netlink_rcv_skb+0x130/0x360 [ 4948.154121][ T74] netlink_unicast+0x449/0x710 [ 4948.154121][ T74] netlink_sendmsg+0x723/0xbe0 [ 4948.154121][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4948.154121][ T74] ___sys_sendmsg+0xee/0x170 [ 4948.154121][ T74] __sys_sendmsg+0xcd/0x170 [ 4948.154121][ T74] do_syscall_64+0xc6/0x1e0 [ 4948.154121][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4948.154121][ T74] [ 4948.155658][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4948.155658][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4948.155658][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4948.155658][ T74] ipv6_find_idev+0x102/0x170 [ 4948.155658][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4948.155658][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4948.155658][ T74] netlink_rcv_skb+0x130/0x360 [ 4948.155658][ T74] netlink_unicast+0x449/0x710 [ 4948.155658][ T74] netlink_sendmsg+0x723/0xbe0 [ 4948.155658][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4948.155658][ T74] ___sys_sendmsg+0xee/0x170 [ 4948.155658][ T74] __sys_sendmsg+0xcd/0x170 [ 4948.155658][ T74] do_syscall_64+0xc6/0x1e0 [ 4948.155658][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4948.155658][ T74] [ 4948.157328][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4948.157607][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4948.157607][ T74] dst_init+0x84/0x4a0 [ 4948.157607][ T74] dst_alloc+0x97/0x150 [ 4948.157607][ T74] ip6_dst_alloc+0x23/0x90 [ 4948.157607][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4948.157607][ T74] ip6_pol_route+0x56f/0x840 [ 4948.157607][ T74] fib6_rule_lookup+0x456/0x630 [ 4948.157607][ T74] ip6_route_input+0x59c/0xa50 [ 4948.157607][ T74] ipv6_rcv+0x397/0x810 [ 4948.157607][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4948.157607][ T74] process_backlog+0x101/0x620 [ 4948.157607][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4948.157607][ T74] net_rx_action+0x495/0xbe0 [ 4948.157607][ T74] __do_softirq+0x1b5/0x7f6 [ 4948.157607][ T74] [ 4948.159235][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4948.159235][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4948.159235][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4948.159235][ T74] fib6_nh_init+0xa22/0x1580 [ 4948.159235][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4948.159235][ T74] ip6_route_add+0x1c/0x140 [ 4948.159235][ T74] inet6_rtm_newroute+0x104/0x110 [ 4948.159235][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4948.159235][ T74] netlink_rcv_skb+0x130/0x360 [ 4948.159235][ T74] netlink_unicast+0x449/0x710 [ 4948.159235][ T74] netlink_sendmsg+0x723/0xbe0 [ 4948.159235][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4948.159235][ T74] ___sys_sendmsg+0xee/0x170 [ 4948.159235][ T74] __sys_sendmsg+0xcd/0x170 [ 4948.159235][ T74] do_syscall_64+0xc6/0x1e0 [ 4948.159235][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4948.159235][ T74] [ 4948.161096][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4948.161096][ T74] netdev_get_by_index+0x5e/0x80 [ 4948.161096][ T74] fib6_nh_init+0x3d8/0x1580 [ 4948.161096][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4948.161096][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4948.161096][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4948.161096][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4948.161096][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4948.161096][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4948.161096][ T74] addrconf_dad_begin+0x310/0x670 [ 4948.161096][ T74] addrconf_dad_work+0x10b/0xab0 [ 4948.161096][ T74] process_one_work+0x84d/0x18a0 [ 4948.161096][ T74] worker_thread+0x587/0xd30 [ 4948.161096][ T74] kthread+0x28a/0x350 [ 4948.161096][ T74] ret_from_fork+0x31/0x70 [ 4948.161096][ T74] ret_from_fork_asm+0x1a/0x30 [ 4948.161096][ T74] [ 4948.162984][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4948.162984][ T74] netdev_get_by_index+0x5e/0x80 [ 4948.162984][ T74] fib6_nh_init+0x3d8/0x1580 [ 4948.162984][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4948.162984][ T74] ip6_route_add+0x1c/0x140 [ 4948.162984][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4948.162984][ T74] inet6_addr_add+0x4f8/0xa40 [ 4948.162984][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4948.162984][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4948.162984][ T74] netlink_rcv_skb+0x130/0x360 [ 4948.162984][ T74] netlink_unicast+0x449/0x710 [ 4948.162984][ T74] netlink_sendmsg+0x723/0xbe0 [ 4948.162984][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4948.162984][ T74] ___sys_sendmsg+0xee/0x170 [ 4948.162984][ T74] __sys_sendmsg+0xcd/0x170 [ 4948.162984][ T74] do_syscall_64+0xc6/0x1e0 [ 4948.162984][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4948.162984][ T74] [ 4948.164964][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4948.164964][ T74] netdev_get_by_index+0x5e/0x80 [ 4948.164964][ T74] fib6_nh_init+0x3d8/0x1580 [ 4948.164964][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4948.164964][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4948.164964][ T74] ipv6_add_addr+0x411/0x2000 [ 4948.164964][ T74] inet6_addr_add+0x30e/0xa40 [ 4948.164964][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4948.164964][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4948.164964][ T74] netlink_rcv_skb+0x130/0x360 [ 4948.164964][ T74] netlink_unicast+0x449/0x710 [ 4948.164964][ T74] netlink_sendmsg+0x723/0xbe0 [ 4948.164964][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4948.164964][ T74] ___sys_sendmsg+0xee/0x170 [ 4948.164964][ T74] __sys_sendmsg+0xcd/0x170 [ 4948.164964][ T74] do_syscall_64+0xc6/0x1e0 [ 4948.164964][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4948.164964][ T74] [ 4948.166954][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4948.166954][ T74] netdev_get_by_index+0x5e/0x80 [ 4948.166954][ T74] fib6_nh_init+0x3d8/0x1580 [ 4948.166954][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4948.166954][ T74] ip6_route_add+0x1c/0x140 [ 4948.166954][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4948.166954][ T74] addrconf_add_dev+0xe2/0x170 [ 4948.166954][ T74] inet6_addr_add+0x12f/0xa40 [ 4948.166954][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4948.166954][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4948.166954][ T74] netlink_rcv_skb+0x130/0x360 [ 4948.166954][ T74] netlink_unicast+0x449/0x710 [ 4948.166954][ T74] netlink_sendmsg+0x723/0xbe0 [ 4948.166954][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4948.166954][ T74] ___sys_sendmsg+0xee/0x170 [ 4948.166954][ T74] __sys_sendmsg+0xcd/0x170 [ 4948.166954][ T74] do_syscall_64+0xc6/0x1e0 [ 4948.166954][ T74] [ 4948.168894][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4948.168894][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4948.168894][ T74] ipv6_find_idev+0x102/0x170 [ 4948.168894][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4948.168894][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4948.168894][ T74] netlink_rcv_skb+0x130/0x360 [ 4948.168894][ T74] netlink_unicast+0x449/0x710 [ 4948.168894][ T74] netlink_sendmsg+0x723/0xbe0 [ 4948.168894][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4948.168894][ T74] ___sys_sendmsg+0xee/0x170 [ 4948.168894][ T74] __sys_sendmsg+0xcd/0x170 [ 4948.168894][ T74] do_syscall_64+0xc6/0x1e0 [ 4948.168894][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4948.168894][ T74] [ 4948.170598][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4948.170598][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4948.170598][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4948.170598][ T74] ipv6_find_idev+0x102/0x170 [ 4948.170598][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4948.170598][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4948.170598][ T74] netlink_rcv_skb+0x130/0x360 [ 4948.170598][ T74] netlink_unicast+0x449/0x710 [ 4948.170598][ T74] netlink_sendmsg+0x723/0xbe0 [ 4948.170598][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4948.170598][ T74] ___sys_sendmsg+0xee/0x170 [ 4948.170598][ T74] __sys_sendmsg+0xcd/0x170 [ 4948.170598][ T74] do_syscall_64+0xc6/0x1e0 [ 4948.170598][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4948.170598][ T74] [ 4948.172513][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4948.172755][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4948.172755][ T74] netdev_get_by_index+0x5e/0x80 [ 4948.172755][ T74] fib6_nh_init+0x3d8/0x1580 [ 4948.172755][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4948.172755][ T74] ip6_route_add+0x1c/0x140 [ 4948.172755][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4948.172755][ T74] inet6_addr_add+0x4f8/0xa40 [ 4948.172755][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4948.172755][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4948.172755][ T74] netlink_rcv_skb+0x130/0x360 [ 4948.172755][ T74] netlink_unicast+0x449/0x710 [ 4948.172755][ T74] netlink_sendmsg+0x723/0xbe0 [ 4948.172755][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4948.172755][ T74] ___sys_sendmsg+0xee/0x170 [ 4948.172755][ T74] __sys_sendmsg+0xcd/0x170 [ 4948.172755][ T74] do_syscall_64+0xc6/0x1e0 [ 4948.172755][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4948.172755][ T74] [ 4948.174966][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4948.174966][ T74] netdev_get_by_index+0x5e/0x80 [ 4948.174966][ T74] fib6_nh_init+0x3d8/0x1580 [ 4948.174966][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4948.174966][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4948.174966][ T74] ipv6_add_addr+0x411/0x2000 [ 4948.174966][ T74] inet6_addr_add+0x30e/0xa40 [ 4948.174966][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4948.174966][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4948.174966][ T74] netlink_rcv_skb+0x130/0x360 [ 4948.174966][ T74] netlink_unicast+0x449/0x710 [ 4948.174966][ T74] netlink_sendmsg+0x723/0xbe0 [ 4948.174966][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4948.174966][ T74] ___sys_sendmsg+0xee/0x170 [ 4948.174966][ T74] __sys_sendmsg+0xcd/0x170 [ 4948.174966][ T74] do_syscall_64+0xc6/0x1e0 [ 4948.174966][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4948.174966][ T74] [ 4948.177182][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4948.177182][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4948.177182][ T74] ipv6_find_idev+0x102/0x170 [ 4948.177182][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4948.177182][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4948.177182][ T74] netlink_rcv_skb+0x130/0x360 [ 4948.177182][ T74] netlink_unicast+0x449/0x710 [ 4948.177182][ T74] netlink_sendmsg+0x723/0xbe0 [ 4948.177182][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4948.177182][ T74] ___sys_sendmsg+0xee/0x170 [ 4948.177182][ T74] __sys_sendmsg+0xcd/0x170 [ 4948.177182][ T74] do_syscall_64+0xc6/0x1e0 [ 4948.177182][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4948.177182][ T74] [ 4948.178884][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4948.178884][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4948.178884][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4948.178884][ T74] ipv6_find_idev+0x102/0x170 [ 4948.178884][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4948.178884][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4948.178884][ T74] netlink_rcv_skb+0x130/0x360 [ 4948.178884][ T74] netlink_unicast+0x449/0x710 [ 4948.178884][ T74] netlink_sendmsg+0x723/0xbe0 [ 4948.178884][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4948.178884][ T74] ___sys_sendmsg+0xee/0x170 [ 4948.178884][ T74] __sys_sendmsg+0xcd/0x170 [ 4948.178884][ T74] do_syscall_64+0xc6/0x1e0 [ 4948.178884][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4948.178884][ T74] [ 4958.287990][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4958.288409][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4958.288409][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4958.288409][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4958.288409][ T74] fib6_nh_init+0xa22/0x1580 [ 4958.288409][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4958.288409][ T74] ip6_route_add+0x1c/0x140 [ 4958.288409][ T74] inet6_rtm_newroute+0x104/0x110 [ 4958.288409][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4958.288409][ T74] netlink_rcv_skb+0x130/0x360 [ 4958.288409][ T74] netlink_unicast+0x449/0x710 [ 4958.288409][ T74] netlink_sendmsg+0x723/0xbe0 [ 4958.288409][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4958.288409][ T74] ___sys_sendmsg+0xee/0x170 [ 4958.288409][ T74] __sys_sendmsg+0xcd/0x170 [ 4958.288409][ T74] do_syscall_64+0xc6/0x1e0 [ 4958.288409][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4958.288409][ T74] [ 4958.290284][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4958.290284][ T74] netdev_get_by_index+0x5e/0x80 [ 4958.290284][ T74] fib6_nh_init+0x3d8/0x1580 [ 4958.290284][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4958.290284][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4958.290284][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4958.290284][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4958.290284][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4958.290284][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4958.290284][ T74] addrconf_dad_begin+0x310/0x670 [ 4958.290284][ T74] addrconf_dad_work+0x10b/0xab0 [ 4958.290284][ T74] process_one_work+0x84d/0x18a0 [ 4958.290284][ T74] worker_thread+0x587/0xd30 [ 4958.290284][ T74] kthread+0x28a/0x350 [ 4958.290284][ T74] ret_from_fork+0x31/0x70 [ 4958.290284][ T74] ret_from_fork_asm+0x1a/0x30 [ 4958.290284][ T74] [ 4958.292178][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4958.292178][ T74] netdev_get_by_index+0x5e/0x80 [ 4958.292178][ T74] fib6_nh_init+0x3d8/0x1580 [ 4958.292178][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4958.292178][ T74] ip6_route_add+0x1c/0x140 [ 4958.292178][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4958.292178][ T74] inet6_addr_add+0x4f8/0xa40 [ 4958.292178][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4958.292178][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4958.292178][ T74] netlink_rcv_skb+0x130/0x360 [ 4958.292178][ T74] netlink_unicast+0x449/0x710 [ 4958.292178][ T74] netlink_sendmsg+0x723/0xbe0 [ 4958.292178][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4958.292178][ T74] ___sys_sendmsg+0xee/0x170 [ 4958.292178][ T74] __sys_sendmsg+0xcd/0x170 [ 4958.292178][ T74] do_syscall_64+0xc6/0x1e0 [ 4958.292178][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4958.292178][ T74] [ 4958.294154][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4958.294154][ T74] netdev_get_by_index+0x5e/0x80 [ 4958.294154][ T74] fib6_nh_init+0x3d8/0x1580 [ 4958.294154][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4958.294154][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4958.294154][ T74] ipv6_add_addr+0x411/0x2000 [ 4958.294154][ T74] inet6_addr_add+0x30e/0xa40 [ 4958.294154][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4958.294154][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4958.294154][ T74] netlink_rcv_skb+0x130/0x360 [ 4958.294154][ T74] netlink_unicast+0x449/0x710 [ 4958.294154][ T74] netlink_sendmsg+0x723/0xbe0 [ 4958.294154][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4958.294154][ T74] ___sys_sendmsg+0xee/0x170 [ 4958.294154][ T74] __sys_sendmsg+0xcd/0x170 [ 4958.294154][ T74] do_syscall_64+0xc6/0x1e0 [ 4958.294154][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4958.294154][ T74] [ 4958.296143][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4958.296143][ T74] netdev_get_by_index+0x5e/0x80 [ 4958.296143][ T74] fib6_nh_init+0x3d8/0x1580 [ 4958.296143][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4958.296143][ T74] ip6_route_add+0x1c/0x140 [ 4958.296143][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4958.296143][ T74] addrconf_add_dev+0xe2/0x170 [ 4958.296143][ T74] inet6_addr_add+0x12f/0xa40 [ 4958.296143][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4958.296143][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4958.296143][ T74] netlink_rcv_skb+0x130/0x360 [ 4958.296143][ T74] netlink_unicast+0x449/0x710 [ 4958.296143][ T74] netlink_sendmsg+0x723/0xbe0 [ 4958.296143][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4958.296143][ T74] ___sys_sendmsg+0xee/0x170 [ 4958.296143][ T74] __sys_sendmsg+0xcd/0x170 [ 4958.296143][ T74] do_syscall_64+0xc6/0x1e0 [ 4958.296143][ T74] [ 4958.298080][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4958.298080][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4958.298080][ T74] ipv6_find_idev+0x102/0x170 [ 4958.298080][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4958.298080][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4958.298080][ T74] netlink_rcv_skb+0x130/0x360 [ 4958.298080][ T74] netlink_unicast+0x449/0x710 [ 4958.298080][ T74] netlink_sendmsg+0x723/0xbe0 [ 4958.298080][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4958.298080][ T74] ___sys_sendmsg+0xee/0x170 [ 4958.298080][ T74] __sys_sendmsg+0xcd/0x170 [ 4958.298080][ T74] do_syscall_64+0xc6/0x1e0 [ 4958.298080][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4958.298080][ T74] [ 4958.299604][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4958.299604][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4958.299604][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4958.299604][ T74] ipv6_find_idev+0x102/0x170 [ 4958.299604][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4958.299604][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4958.299604][ T74] netlink_rcv_skb+0x130/0x360 [ 4958.299604][ T74] netlink_unicast+0x449/0x710 [ 4958.299604][ T74] netlink_sendmsg+0x723/0xbe0 [ 4958.299604][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4958.299604][ T74] ___sys_sendmsg+0xee/0x170 [ 4958.299604][ T74] __sys_sendmsg+0xcd/0x170 [ 4958.299604][ T74] do_syscall_64+0xc6/0x1e0 [ 4958.299604][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4958.299604][ T74] [ 4958.301308][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4958.301586][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4958.301586][ T74] dst_init+0x84/0x4a0 [ 4958.301586][ T74] dst_alloc+0x97/0x150 [ 4958.301586][ T74] ip6_dst_alloc+0x23/0x90 [ 4958.301586][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4958.301586][ T74] ip6_pol_route+0x56f/0x840 [ 4958.301586][ T74] fib6_rule_lookup+0x456/0x630 [ 4958.301586][ T74] ip6_route_input+0x59c/0xa50 [ 4958.301586][ T74] ipv6_rcv+0x397/0x810 [ 4958.301586][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4958.301586][ T74] process_backlog+0x101/0x620 [ 4958.301586][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4958.301586][ T74] net_rx_action+0x495/0xbe0 [ 4958.301586][ T74] __do_softirq+0x1b5/0x7f6 [ 4958.301586][ T74] [ 4958.303234][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4958.303234][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4958.303234][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4958.303234][ T74] fib6_nh_init+0xa22/0x1580 [ 4958.303234][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4958.303234][ T74] ip6_route_add+0x1c/0x140 [ 4958.303234][ T74] inet6_rtm_newroute+0x104/0x110 [ 4958.303234][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4958.303234][ T74] netlink_rcv_skb+0x130/0x360 [ 4958.303234][ T74] netlink_unicast+0x449/0x710 [ 4958.303234][ T74] netlink_sendmsg+0x723/0xbe0 [ 4958.303234][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4958.303234][ T74] ___sys_sendmsg+0xee/0x170 [ 4958.303234][ T74] __sys_sendmsg+0xcd/0x170 [ 4958.303234][ T74] do_syscall_64+0xc6/0x1e0 [ 4958.303234][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4958.303234][ T74] [ 4958.305099][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4958.305099][ T74] netdev_get_by_index+0x5e/0x80 [ 4958.305099][ T74] fib6_nh_init+0x3d8/0x1580 [ 4958.305099][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4958.305099][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4958.305099][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4958.305099][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4958.305099][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4958.305099][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4958.305099][ T74] addrconf_dad_begin+0x310/0x670 [ 4958.305099][ T74] addrconf_dad_work+0x10b/0xab0 [ 4958.305099][ T74] process_one_work+0x84d/0x18a0 [ 4958.305099][ T74] worker_thread+0x587/0xd30 [ 4958.305099][ T74] kthread+0x28a/0x350 [ 4958.305099][ T74] ret_from_fork+0x31/0x70 [ 4958.305099][ T74] ret_from_fork_asm+0x1a/0x30 [ 4958.305099][ T74] [ 4958.306994][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4958.306994][ T74] netdev_get_by_index+0x5e/0x80 [ 4958.306994][ T74] fib6_nh_init+0x3d8/0x1580 [ 4958.306994][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4958.306994][ T74] ip6_route_add+0x1c/0x140 [ 4958.306994][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4958.306994][ T74] inet6_addr_add+0x4f8/0xa40 [ 4958.306994][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4958.306994][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4958.306994][ T74] netlink_rcv_skb+0x130/0x360 [ 4958.306994][ T74] netlink_unicast+0x449/0x710 [ 4958.306994][ T74] netlink_sendmsg+0x723/0xbe0 [ 4958.306994][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4958.306994][ T74] ___sys_sendmsg+0xee/0x170 [ 4958.306994][ T74] __sys_sendmsg+0xcd/0x170 [ 4958.306994][ T74] do_syscall_64+0xc6/0x1e0 [ 4958.306994][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4958.306994][ T74] [ 4958.308974][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4958.308974][ T74] netdev_get_by_index+0x5e/0x80 [ 4958.308974][ T74] fib6_nh_init+0x3d8/0x1580 [ 4958.308974][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4958.308974][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4958.308974][ T74] ipv6_add_addr+0x411/0x2000 [ 4958.308974][ T74] inet6_addr_add+0x30e/0xa40 [ 4958.308974][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4958.308974][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4958.308974][ T74] netlink_rcv_skb+0x130/0x360 [ 4958.308974][ T74] netlink_unicast+0x449/0x710 [ 4958.308974][ T74] netlink_sendmsg+0x723/0xbe0 [ 4958.308974][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4958.308974][ T74] ___sys_sendmsg+0xee/0x170 [ 4958.308974][ T74] __sys_sendmsg+0xcd/0x170 [ 4958.308974][ T74] do_syscall_64+0xc6/0x1e0 [ 4958.308974][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4958.308974][ T74] [ 4958.310953][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4958.310953][ T74] netdev_get_by_index+0x5e/0x80 [ 4958.310953][ T74] fib6_nh_init+0x3d8/0x1580 [ 4958.310953][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4958.310953][ T74] ip6_route_add+0x1c/0x140 [ 4958.310953][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4958.310953][ T74] addrconf_add_dev+0xe2/0x170 [ 4958.310953][ T74] inet6_addr_add+0x12f/0xa40 [ 4958.310953][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4958.310953][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4958.310953][ T74] netlink_rcv_skb+0x130/0x360 [ 4958.310953][ T74] netlink_unicast+0x449/0x710 [ 4958.310953][ T74] netlink_sendmsg+0x723/0xbe0 [ 4958.310953][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4958.310953][ T74] ___sys_sendmsg+0xee/0x170 [ 4958.310953][ T74] __sys_sendmsg+0xcd/0x170 [ 4958.310953][ T74] do_syscall_64+0xc6/0x1e0 [ 4958.310953][ T74] [ 4958.312893][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4958.312893][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4958.312893][ T74] ipv6_find_idev+0x102/0x170 [ 4958.312893][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4958.312893][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4958.312893][ T74] netlink_rcv_skb+0x130/0x360 [ 4958.312893][ T74] netlink_unicast+0x449/0x710 [ 4958.312893][ T74] netlink_sendmsg+0x723/0xbe0 [ 4958.312893][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4958.312893][ T74] ___sys_sendmsg+0xee/0x170 [ 4958.312893][ T74] __sys_sendmsg+0xcd/0x170 [ 4958.312893][ T74] do_syscall_64+0xc6/0x1e0 [ 4958.312893][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4958.312893][ T74] [ 4958.314597][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4958.314597][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4958.314597][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4958.314597][ T74] ipv6_find_idev+0x102/0x170 [ 4958.314597][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4958.314597][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4958.314597][ T74] netlink_rcv_skb+0x130/0x360 [ 4958.314597][ T74] netlink_unicast+0x449/0x710 [ 4958.314597][ T74] netlink_sendmsg+0x723/0xbe0 [ 4958.314597][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4958.314597][ T74] ___sys_sendmsg+0xee/0x170 [ 4958.314597][ T74] __sys_sendmsg+0xcd/0x170 [ 4958.314597][ T74] do_syscall_64+0xc6/0x1e0 [ 4958.314597][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4958.314597][ T74] [ 4958.316510][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4958.316752][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4958.316752][ T74] netdev_get_by_index+0x5e/0x80 [ 4958.316752][ T74] fib6_nh_init+0x3d8/0x1580 [ 4958.316752][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4958.316752][ T74] ip6_route_add+0x1c/0x140 [ 4958.316752][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4958.316752][ T74] inet6_addr_add+0x4f8/0xa40 [ 4958.316752][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4958.316752][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4958.316752][ T74] netlink_rcv_skb+0x130/0x360 [ 4958.316752][ T74] netlink_unicast+0x449/0x710 [ 4958.316752][ T74] netlink_sendmsg+0x723/0xbe0 [ 4958.316752][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4958.316752][ T74] ___sys_sendmsg+0xee/0x170 [ 4958.316752][ T74] __sys_sendmsg+0xcd/0x170 [ 4958.316752][ T74] do_syscall_64+0xc6/0x1e0 [ 4958.316752][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4958.316752][ T74] [ 4958.318976][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4958.318976][ T74] netdev_get_by_index+0x5e/0x80 [ 4958.318976][ T74] fib6_nh_init+0x3d8/0x1580 [ 4958.318976][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4958.318976][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4958.318976][ T74] ipv6_add_addr+0x411/0x2000 [ 4958.318976][ T74] inet6_addr_add+0x30e/0xa40 [ 4958.318976][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4958.318976][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4958.318976][ T74] netlink_rcv_skb+0x130/0x360 [ 4958.318976][ T74] netlink_unicast+0x449/0x710 [ 4958.318976][ T74] netlink_sendmsg+0x723/0xbe0 [ 4958.318976][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4958.318976][ T74] ___sys_sendmsg+0xee/0x170 [ 4958.318976][ T74] __sys_sendmsg+0xcd/0x170 [ 4958.318976][ T74] do_syscall_64+0xc6/0x1e0 [ 4958.318976][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4958.318976][ T74] [ 4958.321182][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4958.321182][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4958.321182][ T74] ipv6_find_idev+0x102/0x170 [ 4958.321182][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4958.321182][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4958.321182][ T74] netlink_rcv_skb+0x130/0x360 [ 4958.321182][ T74] netlink_unicast+0x449/0x710 [ 4958.321182][ T74] netlink_sendmsg+0x723/0xbe0 [ 4958.321182][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4958.321182][ T74] ___sys_sendmsg+0xee/0x170 [ 4958.321182][ T74] __sys_sendmsg+0xcd/0x170 [ 4958.321182][ T74] do_syscall_64+0xc6/0x1e0 [ 4958.321182][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4958.321182][ T74] [ 4958.322875][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4958.322875][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4958.322875][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4958.322875][ T74] ipv6_find_idev+0x102/0x170 [ 4958.322875][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4958.322875][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4958.322875][ T74] netlink_rcv_skb+0x130/0x360 [ 4958.322875][ T74] netlink_unicast+0x449/0x710 [ 4958.322875][ T74] netlink_sendmsg+0x723/0xbe0 [ 4958.322875][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4958.322875][ T74] ___sys_sendmsg+0xee/0x170 [ 4958.322875][ T74] __sys_sendmsg+0xcd/0x170 [ 4958.322875][ T74] do_syscall_64+0xc6/0x1e0 [ 4958.322875][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4958.322875][ T74] [ 4968.383989][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4968.384421][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4968.384421][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4968.384421][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4968.384421][ T74] fib6_nh_init+0xa22/0x1580 [ 4968.384421][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4968.384421][ T74] ip6_route_add+0x1c/0x140 [ 4968.384421][ T74] inet6_rtm_newroute+0x104/0x110 [ 4968.384421][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4968.384421][ T74] netlink_rcv_skb+0x130/0x360 [ 4968.384421][ T74] netlink_unicast+0x449/0x710 [ 4968.384421][ T74] netlink_sendmsg+0x723/0xbe0 [ 4968.384421][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4968.384421][ T74] ___sys_sendmsg+0xee/0x170 [ 4968.384421][ T74] __sys_sendmsg+0xcd/0x170 [ 4968.384421][ T74] do_syscall_64+0xc6/0x1e0 [ 4968.384421][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4968.384421][ T74] [ 4968.386329][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4968.386329][ T74] netdev_get_by_index+0x5e/0x80 [ 4968.386329][ T74] fib6_nh_init+0x3d8/0x1580 [ 4968.386329][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4968.386329][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4968.386329][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4968.386329][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4968.386329][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4968.386329][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4968.386329][ T74] addrconf_dad_begin+0x310/0x670 [ 4968.386329][ T74] addrconf_dad_work+0x10b/0xab0 [ 4968.386329][ T74] process_one_work+0x84d/0x18a0 [ 4968.386329][ T74] worker_thread+0x587/0xd30 [ 4968.386329][ T74] kthread+0x28a/0x350 [ 4968.386329][ T74] ret_from_fork+0x31/0x70 [ 4968.386329][ T74] ret_from_fork_asm+0x1a/0x30 [ 4968.386329][ T74] [ 4968.388226][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4968.388226][ T74] netdev_get_by_index+0x5e/0x80 [ 4968.388226][ T74] fib6_nh_init+0x3d8/0x1580 [ 4968.388226][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4968.388226][ T74] ip6_route_add+0x1c/0x140 [ 4968.388226][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4968.388226][ T74] inet6_addr_add+0x4f8/0xa40 [ 4968.388226][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4968.388226][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4968.388226][ T74] netlink_rcv_skb+0x130/0x360 [ 4968.388226][ T74] netlink_unicast+0x449/0x710 [ 4968.388226][ T74] netlink_sendmsg+0x723/0xbe0 [ 4968.388226][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4968.388226][ T74] ___sys_sendmsg+0xee/0x170 [ 4968.388226][ T74] __sys_sendmsg+0xcd/0x170 [ 4968.388226][ T74] do_syscall_64+0xc6/0x1e0 [ 4968.388226][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4968.388226][ T74] [ 4968.390206][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4968.390206][ T74] netdev_get_by_index+0x5e/0x80 [ 4968.390206][ T74] fib6_nh_init+0x3d8/0x1580 [ 4968.390206][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4968.390206][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4968.390206][ T74] ipv6_add_addr+0x411/0x2000 [ 4968.390206][ T74] inet6_addr_add+0x30e/0xa40 [ 4968.390206][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4968.390206][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4968.390206][ T74] netlink_rcv_skb+0x130/0x360 [ 4968.390206][ T74] netlink_unicast+0x449/0x710 [ 4968.390206][ T74] netlink_sendmsg+0x723/0xbe0 [ 4968.390206][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4968.390206][ T74] ___sys_sendmsg+0xee/0x170 [ 4968.390206][ T74] __sys_sendmsg+0xcd/0x170 [ 4968.390206][ T74] do_syscall_64+0xc6/0x1e0 [ 4968.390206][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4968.390206][ T74] [ 4968.392188][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4968.392188][ T74] netdev_get_by_index+0x5e/0x80 [ 4968.392188][ T74] fib6_nh_init+0x3d8/0x1580 [ 4968.392188][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4968.392188][ T74] ip6_route_add+0x1c/0x140 [ 4968.392188][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4968.392188][ T74] addrconf_add_dev+0xe2/0x170 [ 4968.392188][ T74] inet6_addr_add+0x12f/0xa40 [ 4968.392188][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4968.392188][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4968.392188][ T74] netlink_rcv_skb+0x130/0x360 [ 4968.392188][ T74] netlink_unicast+0x449/0x710 [ 4968.392188][ T74] netlink_sendmsg+0x723/0xbe0 [ 4968.392188][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4968.392188][ T74] ___sys_sendmsg+0xee/0x170 [ 4968.392188][ T74] __sys_sendmsg+0xcd/0x170 [ 4968.392188][ T74] do_syscall_64+0xc6/0x1e0 [ 4968.392188][ T74] [ 4968.394129][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4968.394129][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4968.394129][ T74] ipv6_find_idev+0x102/0x170 [ 4968.394129][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4968.394129][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4968.394129][ T74] netlink_rcv_skb+0x130/0x360 [ 4968.394129][ T74] netlink_unicast+0x449/0x710 [ 4968.394129][ T74] netlink_sendmsg+0x723/0xbe0 [ 4968.394129][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4968.394129][ T74] ___sys_sendmsg+0xee/0x170 [ 4968.394129][ T74] __sys_sendmsg+0xcd/0x170 [ 4968.394129][ T74] do_syscall_64+0xc6/0x1e0 [ 4968.394129][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4968.394129][ T74] [ 4968.395655][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4968.395655][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4968.395655][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4968.395655][ T74] ipv6_find_idev+0x102/0x170 [ 4968.395655][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4968.395655][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4968.395655][ T74] netlink_rcv_skb+0x130/0x360 [ 4968.395655][ T74] netlink_unicast+0x449/0x710 [ 4968.395655][ T74] netlink_sendmsg+0x723/0xbe0 [ 4968.395655][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4968.395655][ T74] ___sys_sendmsg+0xee/0x170 [ 4968.395655][ T74] __sys_sendmsg+0xcd/0x170 [ 4968.395655][ T74] do_syscall_64+0xc6/0x1e0 [ 4968.395655][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4968.395655][ T74] [ 4968.397365][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4968.397643][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4968.397643][ T74] dst_init+0x84/0x4a0 [ 4968.397643][ T74] dst_alloc+0x97/0x150 [ 4968.397643][ T74] ip6_dst_alloc+0x23/0x90 [ 4968.397643][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4968.397643][ T74] ip6_pol_route+0x56f/0x840 [ 4968.397643][ T74] fib6_rule_lookup+0x456/0x630 [ 4968.397643][ T74] ip6_route_input+0x59c/0xa50 [ 4968.397643][ T74] ipv6_rcv+0x397/0x810 [ 4968.397643][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4968.397643][ T74] process_backlog+0x101/0x620 [ 4968.397643][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4968.397643][ T74] net_rx_action+0x495/0xbe0 [ 4968.397643][ T74] __do_softirq+0x1b5/0x7f6 [ 4968.397643][ T74] [ 4968.399280][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4968.399280][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4968.399280][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4968.399280][ T74] fib6_nh_init+0xa22/0x1580 [ 4968.399280][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4968.399280][ T74] ip6_route_add+0x1c/0x140 [ 4968.399280][ T74] inet6_rtm_newroute+0x104/0x110 [ 4968.399280][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4968.399280][ T74] netlink_rcv_skb+0x130/0x360 [ 4968.399280][ T74] netlink_unicast+0x449/0x710 [ 4968.399280][ T74] netlink_sendmsg+0x723/0xbe0 [ 4968.399280][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4968.399280][ T74] ___sys_sendmsg+0xee/0x170 [ 4968.399280][ T74] __sys_sendmsg+0xcd/0x170 [ 4968.399280][ T74] do_syscall_64+0xc6/0x1e0 [ 4968.399280][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4968.399280][ T74] [ 4968.401154][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4968.401154][ T74] netdev_get_by_index+0x5e/0x80 [ 4968.401154][ T74] fib6_nh_init+0x3d8/0x1580 [ 4968.401154][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4968.401154][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4968.401154][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4968.401154][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4968.401154][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4968.401154][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4968.401154][ T74] addrconf_dad_begin+0x310/0x670 [ 4968.401154][ T74] addrconf_dad_work+0x10b/0xab0 [ 4968.401154][ T74] process_one_work+0x84d/0x18a0 [ 4968.401154][ T74] worker_thread+0x587/0xd30 [ 4968.401154][ T74] kthread+0x28a/0x350 [ 4968.401154][ T74] ret_from_fork+0x31/0x70 [ 4968.401154][ T74] ret_from_fork_asm+0x1a/0x30 [ 4968.401154][ T74] [ 4968.403046][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4968.403046][ T74] netdev_get_by_index+0x5e/0x80 [ 4968.403046][ T74] fib6_nh_init+0x3d8/0x1580 [ 4968.403046][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4968.403046][ T74] ip6_route_add+0x1c/0x140 [ 4968.403046][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4968.403046][ T74] inet6_addr_add+0x4f8/0xa40 [ 4968.403046][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4968.403046][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4968.403046][ T74] netlink_rcv_skb+0x130/0x360 [ 4968.403046][ T74] netlink_unicast+0x449/0x710 [ 4968.403046][ T74] netlink_sendmsg+0x723/0xbe0 [ 4968.403046][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4968.403046][ T74] ___sys_sendmsg+0xee/0x170 [ 4968.403046][ T74] __sys_sendmsg+0xcd/0x170 [ 4968.403046][ T74] do_syscall_64+0xc6/0x1e0 [ 4968.403046][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4968.403046][ T74] [ 4968.405050][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4968.405050][ T74] netdev_get_by_index+0x5e/0x80 [ 4968.405050][ T74] fib6_nh_init+0x3d8/0x1580 [ 4968.405050][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4968.405050][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4968.405050][ T74] ipv6_add_addr+0x411/0x2000 [ 4968.405050][ T74] inet6_addr_add+0x30e/0xa40 [ 4968.405050][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4968.405050][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4968.405050][ T74] netlink_rcv_skb+0x130/0x360 [ 4968.405050][ T74] netlink_unicast+0x449/0x710 [ 4968.405050][ T74] netlink_sendmsg+0x723/0xbe0 [ 4968.405050][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4968.405050][ T74] ___sys_sendmsg+0xee/0x170 [ 4968.405050][ T74] __sys_sendmsg+0xcd/0x170 [ 4968.405050][ T74] do_syscall_64+0xc6/0x1e0 [ 4968.405050][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4968.405050][ T74] [ 4968.407036][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4968.407036][ T74] netdev_get_by_index+0x5e/0x80 [ 4968.407036][ T74] fib6_nh_init+0x3d8/0x1580 [ 4968.407036][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4968.407036][ T74] ip6_route_add+0x1c/0x140 [ 4968.407036][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4968.407036][ T74] addrconf_add_dev+0xe2/0x170 [ 4968.407036][ T74] inet6_addr_add+0x12f/0xa40 [ 4968.407036][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4968.407036][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4968.407036][ T74] netlink_rcv_skb+0x130/0x360 [ 4968.407036][ T74] netlink_unicast+0x449/0x710 [ 4968.407036][ T74] netlink_sendmsg+0x723/0xbe0 [ 4968.407036][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4968.407036][ T74] ___sys_sendmsg+0xee/0x170 [ 4968.407036][ T74] __sys_sendmsg+0xcd/0x170 [ 4968.407036][ T74] do_syscall_64+0xc6/0x1e0 [ 4968.407036][ T74] [ 4968.408989][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4968.408989][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4968.408989][ T74] ipv6_find_idev+0x102/0x170 [ 4968.408989][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4968.408989][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4968.408989][ T74] netlink_rcv_skb+0x130/0x360 [ 4968.408989][ T74] netlink_unicast+0x449/0x710 [ 4968.408989][ T74] netlink_sendmsg+0x723/0xbe0 [ 4968.408989][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4968.408989][ T74] ___sys_sendmsg+0xee/0x170 [ 4968.408989][ T74] __sys_sendmsg+0xcd/0x170 [ 4968.408989][ T74] do_syscall_64+0xc6/0x1e0 [ 4968.408989][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4968.408989][ T74] [ 4968.410691][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4968.410691][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4968.410691][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4968.410691][ T74] ipv6_find_idev+0x102/0x170 [ 4968.410691][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4968.410691][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4968.410691][ T74] netlink_rcv_skb+0x130/0x360 [ 4968.410691][ T74] netlink_unicast+0x449/0x710 [ 4968.410691][ T74] netlink_sendmsg+0x723/0xbe0 [ 4968.410691][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4968.410691][ T74] ___sys_sendmsg+0xee/0x170 [ 4968.410691][ T74] __sys_sendmsg+0xcd/0x170 [ 4968.410691][ T74] do_syscall_64+0xc6/0x1e0 [ 4968.410691][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4968.410691][ T74] [ 4968.412613][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4968.412849][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4968.412849][ T74] netdev_get_by_index+0x5e/0x80 [ 4968.412849][ T74] fib6_nh_init+0x3d8/0x1580 [ 4968.412849][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4968.412849][ T74] ip6_route_add+0x1c/0x140 [ 4968.412849][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4968.412849][ T74] inet6_addr_add+0x4f8/0xa40 [ 4968.412849][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4968.412849][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4968.412849][ T74] netlink_rcv_skb+0x130/0x360 [ 4968.412849][ T74] netlink_unicast+0x449/0x710 [ 4968.412849][ T74] netlink_sendmsg+0x723/0xbe0 [ 4968.412849][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4968.412849][ T74] ___sys_sendmsg+0xee/0x170 [ 4968.412849][ T74] __sys_sendmsg+0xcd/0x170 [ 4968.412849][ T74] do_syscall_64+0xc6/0x1e0 [ 4968.412849][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4968.412849][ T74] [ 4968.415068][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4968.415068][ T74] netdev_get_by_index+0x5e/0x80 [ 4968.415068][ T74] fib6_nh_init+0x3d8/0x1580 [ 4968.415068][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4968.415068][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4968.415068][ T74] ipv6_add_addr+0x411/0x2000 [ 4968.415068][ T74] inet6_addr_add+0x30e/0xa40 [ 4968.415068][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4968.415068][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4968.415068][ T74] netlink_rcv_skb+0x130/0x360 [ 4968.415068][ T74] netlink_unicast+0x449/0x710 [ 4968.415068][ T74] netlink_sendmsg+0x723/0xbe0 [ 4968.415068][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4968.415068][ T74] ___sys_sendmsg+0xee/0x170 [ 4968.415068][ T74] __sys_sendmsg+0xcd/0x170 [ 4968.415068][ T74] do_syscall_64+0xc6/0x1e0 [ 4968.415068][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4968.415068][ T74] [ 4968.417400][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4968.417400][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4968.417400][ T74] ipv6_find_idev+0x102/0x170 [ 4968.417400][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4968.417400][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4968.417400][ T74] netlink_rcv_skb+0x130/0x360 [ 4968.417400][ T74] netlink_unicast+0x449/0x710 [ 4968.417400][ T74] netlink_sendmsg+0x723/0xbe0 [ 4968.417400][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4968.417400][ T74] ___sys_sendmsg+0xee/0x170 [ 4968.417400][ T74] __sys_sendmsg+0xcd/0x170 [ 4968.417400][ T74] do_syscall_64+0xc6/0x1e0 [ 4968.417400][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4968.417400][ T74] [ 4968.419105][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4968.419105][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4968.419105][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4968.419105][ T74] ipv6_find_idev+0x102/0x170 [ 4968.419105][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4968.419105][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4968.419105][ T74] netlink_rcv_skb+0x130/0x360 [ 4968.419105][ T74] netlink_unicast+0x449/0x710 [ 4968.419105][ T74] netlink_sendmsg+0x723/0xbe0 [ 4968.419105][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4968.419105][ T74] ___sys_sendmsg+0xee/0x170 [ 4968.419105][ T74] __sys_sendmsg+0xcd/0x170 [ 4968.419105][ T74] do_syscall_64+0xc6/0x1e0 [ 4968.419105][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4968.419105][ T74] [ 4978.607917][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4978.608331][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4978.608331][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4978.608331][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4978.608331][ T74] fib6_nh_init+0xa22/0x1580 [ 4978.608331][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4978.608331][ T74] ip6_route_add+0x1c/0x140 [ 4978.608331][ T74] inet6_rtm_newroute+0x104/0x110 [ 4978.608331][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4978.608331][ T74] netlink_rcv_skb+0x130/0x360 [ 4978.608331][ T74] netlink_unicast+0x449/0x710 [ 4978.608331][ T74] netlink_sendmsg+0x723/0xbe0 [ 4978.608331][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4978.608331][ T74] ___sys_sendmsg+0xee/0x170 [ 4978.608331][ T74] __sys_sendmsg+0xcd/0x170 [ 4978.608331][ T74] do_syscall_64+0xc6/0x1e0 [ 4978.608331][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4978.608331][ T74] [ 4978.610213][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4978.610213][ T74] netdev_get_by_index+0x5e/0x80 [ 4978.610213][ T74] fib6_nh_init+0x3d8/0x1580 [ 4978.610213][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4978.610213][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4978.610213][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4978.610213][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4978.610213][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4978.610213][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4978.610213][ T74] addrconf_dad_begin+0x310/0x670 [ 4978.610213][ T74] addrconf_dad_work+0x10b/0xab0 [ 4978.610213][ T74] process_one_work+0x84d/0x18a0 [ 4978.610213][ T74] worker_thread+0x587/0xd30 [ 4978.610213][ T74] kthread+0x28a/0x350 [ 4978.610213][ T74] ret_from_fork+0x31/0x70 [ 4978.610213][ T74] ret_from_fork_asm+0x1a/0x30 [ 4978.610213][ T74] [ 4978.612108][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4978.612108][ T74] netdev_get_by_index+0x5e/0x80 [ 4978.612108][ T74] fib6_nh_init+0x3d8/0x1580 [ 4978.612108][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4978.612108][ T74] ip6_route_add+0x1c/0x140 [ 4978.612108][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4978.612108][ T74] inet6_addr_add+0x4f8/0xa40 [ 4978.612108][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4978.612108][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4978.612108][ T74] netlink_rcv_skb+0x130/0x360 [ 4978.612108][ T74] netlink_unicast+0x449/0x710 [ 4978.612108][ T74] netlink_sendmsg+0x723/0xbe0 [ 4978.612108][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4978.612108][ T74] ___sys_sendmsg+0xee/0x170 [ 4978.612108][ T74] __sys_sendmsg+0xcd/0x170 [ 4978.612108][ T74] do_syscall_64+0xc6/0x1e0 [ 4978.612108][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4978.612108][ T74] [ 4978.614086][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4978.614086][ T74] netdev_get_by_index+0x5e/0x80 [ 4978.614086][ T74] fib6_nh_init+0x3d8/0x1580 [ 4978.614086][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4978.614086][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4978.614086][ T74] ipv6_add_addr+0x411/0x2000 [ 4978.614086][ T74] inet6_addr_add+0x30e/0xa40 [ 4978.614086][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4978.614086][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4978.614086][ T74] netlink_rcv_skb+0x130/0x360 [ 4978.614086][ T74] netlink_unicast+0x449/0x710 [ 4978.614086][ T74] netlink_sendmsg+0x723/0xbe0 [ 4978.614086][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4978.614086][ T74] ___sys_sendmsg+0xee/0x170 [ 4978.614086][ T74] __sys_sendmsg+0xcd/0x170 [ 4978.614086][ T74] do_syscall_64+0xc6/0x1e0 [ 4978.614086][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4978.614086][ T74] [ 4978.616073][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4978.616073][ T74] netdev_get_by_index+0x5e/0x80 [ 4978.616073][ T74] fib6_nh_init+0x3d8/0x1580 [ 4978.616073][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4978.616073][ T74] ip6_route_add+0x1c/0x140 [ 4978.616073][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4978.616073][ T74] addrconf_add_dev+0xe2/0x170 [ 4978.616073][ T74] inet6_addr_add+0x12f/0xa40 [ 4978.616073][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4978.616073][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4978.616073][ T74] netlink_rcv_skb+0x130/0x360 [ 4978.616073][ T74] netlink_unicast+0x449/0x710 [ 4978.616073][ T74] netlink_sendmsg+0x723/0xbe0 [ 4978.616073][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4978.616073][ T74] ___sys_sendmsg+0xee/0x170 [ 4978.616073][ T74] __sys_sendmsg+0xcd/0x170 [ 4978.616073][ T74] do_syscall_64+0xc6/0x1e0 [ 4978.616073][ T74] [ 4978.618011][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4978.618011][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4978.618011][ T74] ipv6_find_idev+0x102/0x170 [ 4978.618011][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4978.618011][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4978.618011][ T74] netlink_rcv_skb+0x130/0x360 [ 4978.618011][ T74] netlink_unicast+0x449/0x710 [ 4978.618011][ T74] netlink_sendmsg+0x723/0xbe0 [ 4978.618011][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4978.618011][ T74] ___sys_sendmsg+0xee/0x170 [ 4978.618011][ T74] __sys_sendmsg+0xcd/0x170 [ 4978.618011][ T74] do_syscall_64+0xc6/0x1e0 [ 4978.618011][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4978.618011][ T74] [ 4978.619537][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4978.619537][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4978.619537][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4978.619537][ T74] ipv6_find_idev+0x102/0x170 [ 4978.619537][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4978.619537][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4978.619537][ T74] netlink_rcv_skb+0x130/0x360 [ 4978.619537][ T74] netlink_unicast+0x449/0x710 [ 4978.619537][ T74] netlink_sendmsg+0x723/0xbe0 [ 4978.619537][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4978.619537][ T74] ___sys_sendmsg+0xee/0x170 [ 4978.619537][ T74] __sys_sendmsg+0xcd/0x170 [ 4978.619537][ T74] do_syscall_64+0xc6/0x1e0 [ 4978.619537][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4978.619537][ T74] [ 4978.621210][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4978.621487][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4978.621487][ T74] dst_init+0x84/0x4a0 [ 4978.621487][ T74] dst_alloc+0x97/0x150 [ 4978.621487][ T74] ip6_dst_alloc+0x23/0x90 [ 4978.621487][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4978.621487][ T74] ip6_pol_route+0x56f/0x840 [ 4978.621487][ T74] fib6_rule_lookup+0x456/0x630 [ 4978.621487][ T74] ip6_route_input+0x59c/0xa50 [ 4978.621487][ T74] ipv6_rcv+0x397/0x810 [ 4978.621487][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4978.621487][ T74] process_backlog+0x101/0x620 [ 4978.621487][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4978.621487][ T74] net_rx_action+0x495/0xbe0 [ 4978.621487][ T74] __do_softirq+0x1b5/0x7f6 [ 4978.621487][ T74] [ 4978.623102][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4978.623102][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4978.623102][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4978.623102][ T74] fib6_nh_init+0xa22/0x1580 [ 4978.623102][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4978.623102][ T74] ip6_route_add+0x1c/0x140 [ 4978.623102][ T74] inet6_rtm_newroute+0x104/0x110 [ 4978.623102][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4978.623102][ T74] netlink_rcv_skb+0x130/0x360 [ 4978.623102][ T74] netlink_unicast+0x449/0x710 [ 4978.623102][ T74] netlink_sendmsg+0x723/0xbe0 [ 4978.623102][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4978.623102][ T74] ___sys_sendmsg+0xee/0x170 [ 4978.623102][ T74] __sys_sendmsg+0xcd/0x170 [ 4978.623102][ T74] do_syscall_64+0xc6/0x1e0 [ 4978.623102][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4978.623102][ T74] [ 4978.624960][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4978.624960][ T74] netdev_get_by_index+0x5e/0x80 [ 4978.624960][ T74] fib6_nh_init+0x3d8/0x1580 [ 4978.624960][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4978.624960][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4978.624960][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4978.624960][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4978.624960][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4978.624960][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4978.624960][ T74] addrconf_dad_begin+0x310/0x670 [ 4978.624960][ T74] addrconf_dad_work+0x10b/0xab0 [ 4978.624960][ T74] process_one_work+0x84d/0x18a0 [ 4978.624960][ T74] worker_thread+0x587/0xd30 [ 4978.624960][ T74] kthread+0x28a/0x350 [ 4978.624960][ T74] ret_from_fork+0x31/0x70 [ 4978.624960][ T74] ret_from_fork_asm+0x1a/0x30 [ 4978.624960][ T74] [ 4978.626865][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4978.626865][ T74] netdev_get_by_index+0x5e/0x80 [ 4978.626865][ T74] fib6_nh_init+0x3d8/0x1580 [ 4978.626865][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4978.626865][ T74] ip6_route_add+0x1c/0x140 [ 4978.626865][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4978.626865][ T74] inet6_addr_add+0x4f8/0xa40 [ 4978.626865][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4978.626865][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4978.626865][ T74] netlink_rcv_skb+0x130/0x360 [ 4978.626865][ T74] netlink_unicast+0x449/0x710 [ 4978.626865][ T74] netlink_sendmsg+0x723/0xbe0 [ 4978.626865][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4978.626865][ T74] ___sys_sendmsg+0xee/0x170 [ 4978.626865][ T74] __sys_sendmsg+0xcd/0x170 [ 4978.626865][ T74] do_syscall_64+0xc6/0x1e0 [ 4978.626865][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4978.626865][ T74] [ 4978.628845][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4978.628845][ T74] netdev_get_by_index+0x5e/0x80 [ 4978.628845][ T74] fib6_nh_init+0x3d8/0x1580 [ 4978.628845][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4978.628845][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4978.628845][ T74] ipv6_add_addr+0x411/0x2000 [ 4978.628845][ T74] inet6_addr_add+0x30e/0xa40 [ 4978.628845][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4978.628845][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4978.628845][ T74] netlink_rcv_skb+0x130/0x360 [ 4978.628845][ T74] netlink_unicast+0x449/0x710 [ 4978.628845][ T74] netlink_sendmsg+0x723/0xbe0 [ 4978.628845][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4978.628845][ T74] ___sys_sendmsg+0xee/0x170 [ 4978.628845][ T74] __sys_sendmsg+0xcd/0x170 [ 4978.628845][ T74] do_syscall_64+0xc6/0x1e0 [ 4978.628845][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4978.628845][ T74] [ 4978.630835][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4978.630835][ T74] netdev_get_by_index+0x5e/0x80 [ 4978.630835][ T74] fib6_nh_init+0x3d8/0x1580 [ 4978.630835][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4978.630835][ T74] ip6_route_add+0x1c/0x140 [ 4978.630835][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4978.630835][ T74] addrconf_add_dev+0xe2/0x170 [ 4978.630835][ T74] inet6_addr_add+0x12f/0xa40 [ 4978.630835][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4978.630835][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4978.630835][ T74] netlink_rcv_skb+0x130/0x360 [ 4978.630835][ T74] netlink_unicast+0x449/0x710 [ 4978.630835][ T74] netlink_sendmsg+0x723/0xbe0 [ 4978.630835][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4978.630835][ T74] ___sys_sendmsg+0xee/0x170 [ 4978.630835][ T74] __sys_sendmsg+0xcd/0x170 [ 4978.630835][ T74] do_syscall_64+0xc6/0x1e0 [ 4978.630835][ T74] [ 4978.632785][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4978.632785][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4978.632785][ T74] ipv6_find_idev+0x102/0x170 [ 4978.632785][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4978.632785][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4978.632785][ T74] netlink_rcv_skb+0x130/0x360 [ 4978.632785][ T74] netlink_unicast+0x449/0x710 [ 4978.632785][ T74] netlink_sendmsg+0x723/0xbe0 [ 4978.632785][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4978.632785][ T74] ___sys_sendmsg+0xee/0x170 [ 4978.632785][ T74] __sys_sendmsg+0xcd/0x170 [ 4978.632785][ T74] do_syscall_64+0xc6/0x1e0 [ 4978.632785][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4978.632785][ T74] [ 4978.634372][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4978.634372][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4978.634372][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4978.634372][ T74] ipv6_find_idev+0x102/0x170 [ 4978.634372][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4978.634372][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4978.634372][ T74] netlink_rcv_skb+0x130/0x360 [ 4978.634372][ T74] netlink_unicast+0x449/0x710 [ 4978.634372][ T74] netlink_sendmsg+0x723/0xbe0 [ 4978.634372][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4978.634372][ T74] ___sys_sendmsg+0xee/0x170 [ 4978.634372][ T74] __sys_sendmsg+0xcd/0x170 [ 4978.634372][ T74] do_syscall_64+0xc6/0x1e0 [ 4978.634372][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4978.634372][ T74] [ 4978.636109][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4978.636349][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4978.636349][ T74] netdev_get_by_index+0x5e/0x80 [ 4978.636349][ T74] fib6_nh_init+0x3d8/0x1580 [ 4978.636349][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4978.636349][ T74] ip6_route_add+0x1c/0x140 [ 4978.636349][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4978.636349][ T74] inet6_addr_add+0x4f8/0xa40 [ 4978.636349][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4978.636349][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4978.636349][ T74] netlink_rcv_skb+0x130/0x360 [ 4978.636349][ T74] netlink_unicast+0x449/0x710 [ 4978.636349][ T74] netlink_sendmsg+0x723/0xbe0 [ 4978.636349][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4978.636349][ T74] ___sys_sendmsg+0xee/0x170 [ 4978.636349][ T74] __sys_sendmsg+0xcd/0x170 [ 4978.636349][ T74] do_syscall_64+0xc6/0x1e0 [ 4978.636349][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4978.636349][ T74] [ 4978.638458][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4978.638458][ T74] netdev_get_by_index+0x5e/0x80 [ 4978.638458][ T74] fib6_nh_init+0x3d8/0x1580 [ 4978.638458][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4978.638458][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4978.638458][ T74] ipv6_add_addr+0x411/0x2000 [ 4978.638458][ T74] inet6_addr_add+0x30e/0xa40 [ 4978.638458][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4978.638458][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4978.638458][ T74] netlink_rcv_skb+0x130/0x360 [ 4978.638458][ T74] netlink_unicast+0x449/0x710 [ 4978.638458][ T74] netlink_sendmsg+0x723/0xbe0 [ 4978.638458][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4978.638458][ T74] ___sys_sendmsg+0xee/0x170 [ 4978.638458][ T74] __sys_sendmsg+0xcd/0x170 [ 4978.638458][ T74] do_syscall_64+0xc6/0x1e0 [ 4978.638458][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4978.638458][ T74] [ 4978.640483][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4978.640483][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4978.640483][ T74] ipv6_find_idev+0x102/0x170 [ 4978.640483][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4978.640483][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4978.640483][ T74] netlink_rcv_skb+0x130/0x360 [ 4978.640483][ T74] netlink_unicast+0x449/0x710 [ 4978.640483][ T74] netlink_sendmsg+0x723/0xbe0 [ 4978.640483][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4978.640483][ T74] ___sys_sendmsg+0xee/0x170 [ 4978.640483][ T74] __sys_sendmsg+0xcd/0x170 [ 4978.640483][ T74] do_syscall_64+0xc6/0x1e0 [ 4978.640483][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4978.640483][ T74] [ 4978.642064][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4978.642064][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4978.642064][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4978.642064][ T74] ipv6_find_idev+0x102/0x170 [ 4978.642064][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4978.642064][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4978.642064][ T74] netlink_rcv_skb+0x130/0x360 [ 4978.642064][ T74] netlink_unicast+0x449/0x710 [ 4978.642064][ T74] netlink_sendmsg+0x723/0xbe0 [ 4978.642064][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4978.642064][ T74] ___sys_sendmsg+0xee/0x170 [ 4978.642064][ T74] __sys_sendmsg+0xcd/0x170 [ 4978.642064][ T74] do_syscall_64+0xc6/0x1e0 [ 4978.642064][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4978.642064][ T74] [ 4988.703956][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4988.704368][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4988.704368][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4988.704368][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4988.704368][ T74] fib6_nh_init+0xa22/0x1580 [ 4988.704368][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4988.704368][ T74] ip6_route_add+0x1c/0x140 [ 4988.704368][ T74] inet6_rtm_newroute+0x104/0x110 [ 4988.704368][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4988.704368][ T74] netlink_rcv_skb+0x130/0x360 [ 4988.704368][ T74] netlink_unicast+0x449/0x710 [ 4988.704368][ T74] netlink_sendmsg+0x723/0xbe0 [ 4988.704368][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4988.704368][ T74] ___sys_sendmsg+0xee/0x170 [ 4988.704368][ T74] __sys_sendmsg+0xcd/0x170 [ 4988.704368][ T74] do_syscall_64+0xc6/0x1e0 [ 4988.704368][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4988.704368][ T74] [ 4988.706275][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4988.706275][ T74] netdev_get_by_index+0x5e/0x80 [ 4988.706275][ T74] fib6_nh_init+0x3d8/0x1580 [ 4988.706275][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4988.706275][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4988.706275][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4988.706275][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4988.706275][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4988.706275][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4988.706275][ T74] addrconf_dad_begin+0x310/0x670 [ 4988.706275][ T74] addrconf_dad_work+0x10b/0xab0 [ 4988.706275][ T74] process_one_work+0x84d/0x18a0 [ 4988.706275][ T74] worker_thread+0x587/0xd30 [ 4988.706275][ T74] kthread+0x28a/0x350 [ 4988.706275][ T74] ret_from_fork+0x31/0x70 [ 4988.706275][ T74] ret_from_fork_asm+0x1a/0x30 [ 4988.706275][ T74] [ 4988.708184][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4988.708184][ T74] netdev_get_by_index+0x5e/0x80 [ 4988.708184][ T74] fib6_nh_init+0x3d8/0x1580 [ 4988.708184][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4988.708184][ T74] ip6_route_add+0x1c/0x140 [ 4988.708184][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4988.708184][ T74] inet6_addr_add+0x4f8/0xa40 [ 4988.708184][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4988.708184][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4988.708184][ T74] netlink_rcv_skb+0x130/0x360 [ 4988.708184][ T74] netlink_unicast+0x449/0x710 [ 4988.708184][ T74] netlink_sendmsg+0x723/0xbe0 [ 4988.708184][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4988.708184][ T74] ___sys_sendmsg+0xee/0x170 [ 4988.708184][ T74] __sys_sendmsg+0xcd/0x170 [ 4988.708184][ T74] do_syscall_64+0xc6/0x1e0 [ 4988.708184][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4988.708184][ T74] [ 4988.710160][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4988.710160][ T74] netdev_get_by_index+0x5e/0x80 [ 4988.710160][ T74] fib6_nh_init+0x3d8/0x1580 [ 4988.710160][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4988.710160][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4988.710160][ T74] ipv6_add_addr+0x411/0x2000 [ 4988.710160][ T74] inet6_addr_add+0x30e/0xa40 [ 4988.710160][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4988.710160][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4988.710160][ T74] netlink_rcv_skb+0x130/0x360 [ 4988.710160][ T74] netlink_unicast+0x449/0x710 [ 4988.710160][ T74] netlink_sendmsg+0x723/0xbe0 [ 4988.710160][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4988.710160][ T74] ___sys_sendmsg+0xee/0x170 [ 4988.710160][ T74] __sys_sendmsg+0xcd/0x170 [ 4988.710160][ T74] do_syscall_64+0xc6/0x1e0 [ 4988.710160][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4988.710160][ T74] [ 4988.712139][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4988.712139][ T74] netdev_get_by_index+0x5e/0x80 [ 4988.712139][ T74] fib6_nh_init+0x3d8/0x1580 [ 4988.712139][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4988.712139][ T74] ip6_route_add+0x1c/0x140 [ 4988.712139][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4988.712139][ T74] addrconf_add_dev+0xe2/0x170 [ 4988.712139][ T74] inet6_addr_add+0x12f/0xa40 [ 4988.712139][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4988.712139][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4988.712139][ T74] netlink_rcv_skb+0x130/0x360 [ 4988.712139][ T74] netlink_unicast+0x449/0x710 [ 4988.712139][ T74] netlink_sendmsg+0x723/0xbe0 [ 4988.712139][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4988.712139][ T74] ___sys_sendmsg+0xee/0x170 [ 4988.712139][ T74] __sys_sendmsg+0xcd/0x170 [ 4988.712139][ T74] do_syscall_64+0xc6/0x1e0 [ 4988.712139][ T74] [ 4988.714103][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4988.714103][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4988.714103][ T74] ipv6_find_idev+0x102/0x170 [ 4988.714103][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4988.714103][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4988.714103][ T74] netlink_rcv_skb+0x130/0x360 [ 4988.714103][ T74] netlink_unicast+0x449/0x710 [ 4988.714103][ T74] netlink_sendmsg+0x723/0xbe0 [ 4988.714103][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4988.714103][ T74] ___sys_sendmsg+0xee/0x170 [ 4988.714103][ T74] __sys_sendmsg+0xcd/0x170 [ 4988.714103][ T74] do_syscall_64+0xc6/0x1e0 [ 4988.714103][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4988.714103][ T74] [ 4988.715630][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4988.715630][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4988.715630][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4988.715630][ T74] ipv6_find_idev+0x102/0x170 [ 4988.715630][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4988.715630][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4988.715630][ T74] netlink_rcv_skb+0x130/0x360 [ 4988.715630][ T74] netlink_unicast+0x449/0x710 [ 4988.715630][ T74] netlink_sendmsg+0x723/0xbe0 [ 4988.715630][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4988.715630][ T74] ___sys_sendmsg+0xee/0x170 [ 4988.715630][ T74] __sys_sendmsg+0xcd/0x170 [ 4988.715630][ T74] do_syscall_64+0xc6/0x1e0 [ 4988.715630][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4988.715630][ T74] [ 4988.717310][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4988.717584][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4988.717584][ T74] dst_init+0x84/0x4a0 [ 4988.717584][ T74] dst_alloc+0x97/0x150 [ 4988.717584][ T74] ip6_dst_alloc+0x23/0x90 [ 4988.717584][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4988.717584][ T74] ip6_pol_route+0x56f/0x840 [ 4988.717584][ T74] fib6_rule_lookup+0x456/0x630 [ 4988.717584][ T74] ip6_route_input+0x59c/0xa50 [ 4988.717584][ T74] ipv6_rcv+0x397/0x810 [ 4988.717584][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4988.717584][ T74] process_backlog+0x101/0x620 [ 4988.717584][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4988.717584][ T74] net_rx_action+0x495/0xbe0 [ 4988.717584][ T74] __do_softirq+0x1b5/0x7f6 [ 4988.717584][ T74] [ 4988.719209][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4988.719209][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4988.719209][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4988.719209][ T74] fib6_nh_init+0xa22/0x1580 [ 4988.719209][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4988.719209][ T74] ip6_route_add+0x1c/0x140 [ 4988.719209][ T74] inet6_rtm_newroute+0x104/0x110 [ 4988.719209][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4988.719209][ T74] netlink_rcv_skb+0x130/0x360 [ 4988.719209][ T74] netlink_unicast+0x449/0x710 [ 4988.719209][ T74] netlink_sendmsg+0x723/0xbe0 [ 4988.719209][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4988.719209][ T74] ___sys_sendmsg+0xee/0x170 [ 4988.719209][ T74] __sys_sendmsg+0xcd/0x170 [ 4988.719209][ T74] do_syscall_64+0xc6/0x1e0 [ 4988.719209][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4988.719209][ T74] [ 4988.721080][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4988.721080][ T74] netdev_get_by_index+0x5e/0x80 [ 4988.721080][ T74] fib6_nh_init+0x3d8/0x1580 [ 4988.721080][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4988.721080][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4988.721080][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4988.721080][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4988.721080][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4988.721080][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4988.721080][ T74] addrconf_dad_begin+0x310/0x670 [ 4988.721080][ T74] addrconf_dad_work+0x10b/0xab0 [ 4988.721080][ T74] process_one_work+0x84d/0x18a0 [ 4988.721080][ T74] worker_thread+0x587/0xd30 [ 4988.721080][ T74] kthread+0x28a/0x350 [ 4988.721080][ T74] ret_from_fork+0x31/0x70 [ 4988.721080][ T74] ret_from_fork_asm+0x1a/0x30 [ 4988.721080][ T74] [ 4988.722968][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4988.722968][ T74] netdev_get_by_index+0x5e/0x80 [ 4988.722968][ T74] fib6_nh_init+0x3d8/0x1580 [ 4988.722968][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4988.722968][ T74] ip6_route_add+0x1c/0x140 [ 4988.722968][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4988.722968][ T74] inet6_addr_add+0x4f8/0xa40 [ 4988.722968][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4988.722968][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4988.722968][ T74] netlink_rcv_skb+0x130/0x360 [ 4988.722968][ T74] netlink_unicast+0x449/0x710 [ 4988.722968][ T74] netlink_sendmsg+0x723/0xbe0 [ 4988.722968][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4988.722968][ T74] ___sys_sendmsg+0xee/0x170 [ 4988.722968][ T74] __sys_sendmsg+0xcd/0x170 [ 4988.722968][ T74] do_syscall_64+0xc6/0x1e0 [ 4988.722968][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4988.722968][ T74] [ 4988.724946][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4988.724946][ T74] netdev_get_by_index+0x5e/0x80 [ 4988.724946][ T74] fib6_nh_init+0x3d8/0x1580 [ 4988.724946][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4988.724946][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4988.724946][ T74] ipv6_add_addr+0x411/0x2000 [ 4988.724946][ T74] inet6_addr_add+0x30e/0xa40 [ 4988.724946][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4988.724946][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4988.724946][ T74] netlink_rcv_skb+0x130/0x360 [ 4988.724946][ T74] netlink_unicast+0x449/0x710 [ 4988.724946][ T74] netlink_sendmsg+0x723/0xbe0 [ 4988.724946][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4988.724946][ T74] ___sys_sendmsg+0xee/0x170 [ 4988.724946][ T74] __sys_sendmsg+0xcd/0x170 [ 4988.724946][ T74] do_syscall_64+0xc6/0x1e0 [ 4988.724946][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4988.724946][ T74] [ 4988.726931][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4988.726931][ T74] netdev_get_by_index+0x5e/0x80 [ 4988.726931][ T74] fib6_nh_init+0x3d8/0x1580 [ 4988.726931][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4988.726931][ T74] ip6_route_add+0x1c/0x140 [ 4988.726931][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4988.726931][ T74] addrconf_add_dev+0xe2/0x170 [ 4988.726931][ T74] inet6_addr_add+0x12f/0xa40 [ 4988.726931][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4988.726931][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4988.726931][ T74] netlink_rcv_skb+0x130/0x360 [ 4988.726931][ T74] netlink_unicast+0x449/0x710 [ 4988.726931][ T74] netlink_sendmsg+0x723/0xbe0 [ 4988.726931][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4988.726931][ T74] ___sys_sendmsg+0xee/0x170 [ 4988.726931][ T74] __sys_sendmsg+0xcd/0x170 [ 4988.726931][ T74] do_syscall_64+0xc6/0x1e0 [ 4988.726931][ T74] [ 4988.728874][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4988.728874][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4988.728874][ T74] ipv6_find_idev+0x102/0x170 [ 4988.728874][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4988.728874][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4988.728874][ T74] netlink_rcv_skb+0x130/0x360 [ 4988.728874][ T74] netlink_unicast+0x449/0x710 [ 4988.728874][ T74] netlink_sendmsg+0x723/0xbe0 [ 4988.728874][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4988.728874][ T74] ___sys_sendmsg+0xee/0x170 [ 4988.728874][ T74] __sys_sendmsg+0xcd/0x170 [ 4988.728874][ T74] do_syscall_64+0xc6/0x1e0 [ 4988.728874][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4988.728874][ T74] [ 4988.730670][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4988.730670][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4988.730670][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4988.730670][ T74] ipv6_find_idev+0x102/0x170 [ 4988.730670][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4988.730670][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4988.730670][ T74] netlink_rcv_skb+0x130/0x360 [ 4988.730670][ T74] netlink_unicast+0x449/0x710 [ 4988.730670][ T74] netlink_sendmsg+0x723/0xbe0 [ 4988.730670][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4988.730670][ T74] ___sys_sendmsg+0xee/0x170 [ 4988.730670][ T74] __sys_sendmsg+0xcd/0x170 [ 4988.730670][ T74] do_syscall_64+0xc6/0x1e0 [ 4988.730670][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4988.730670][ T74] [ 4988.732570][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4988.732807][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4988.732807][ T74] netdev_get_by_index+0x5e/0x80 [ 4988.732807][ T74] fib6_nh_init+0x3d8/0x1580 [ 4988.732807][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4988.732807][ T74] ip6_route_add+0x1c/0x140 [ 4988.732807][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4988.732807][ T74] inet6_addr_add+0x4f8/0xa40 [ 4988.732807][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4988.732807][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4988.732807][ T74] netlink_rcv_skb+0x130/0x360 [ 4988.732807][ T74] netlink_unicast+0x449/0x710 [ 4988.732807][ T74] netlink_sendmsg+0x723/0xbe0 [ 4988.732807][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4988.732807][ T74] ___sys_sendmsg+0xee/0x170 [ 4988.732807][ T74] __sys_sendmsg+0xcd/0x170 [ 4988.732807][ T74] do_syscall_64+0xc6/0x1e0 [ 4988.732807][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4988.732807][ T74] [ 4988.735038][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4988.735038][ T74] netdev_get_by_index+0x5e/0x80 [ 4988.735038][ T74] fib6_nh_init+0x3d8/0x1580 [ 4988.735038][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4988.735038][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4988.735038][ T74] ipv6_add_addr+0x411/0x2000 [ 4988.735038][ T74] inet6_addr_add+0x30e/0xa40 [ 4988.735038][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4988.735038][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4988.735038][ T74] netlink_rcv_skb+0x130/0x360 [ 4988.735038][ T74] netlink_unicast+0x449/0x710 [ 4988.735038][ T74] netlink_sendmsg+0x723/0xbe0 [ 4988.735038][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4988.735038][ T74] ___sys_sendmsg+0xee/0x170 [ 4988.735038][ T74] __sys_sendmsg+0xcd/0x170 [ 4988.735038][ T74] do_syscall_64+0xc6/0x1e0 [ 4988.735038][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4988.735038][ T74] [ 4988.737244][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4988.737244][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4988.737244][ T74] ipv6_find_idev+0x102/0x170 [ 4988.737244][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4988.737244][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4988.737244][ T74] netlink_rcv_skb+0x130/0x360 [ 4988.737244][ T74] netlink_unicast+0x449/0x710 [ 4988.737244][ T74] netlink_sendmsg+0x723/0xbe0 [ 4988.737244][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4988.737244][ T74] ___sys_sendmsg+0xee/0x170 [ 4988.737244][ T74] __sys_sendmsg+0xcd/0x170 [ 4988.737244][ T74] do_syscall_64+0xc6/0x1e0 [ 4988.737244][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4988.737244][ T74] [ 4988.738883][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4988.738883][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4988.738883][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4988.738883][ T74] ipv6_find_idev+0x102/0x170 [ 4988.738883][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4988.738883][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4988.738883][ T74] netlink_rcv_skb+0x130/0x360 [ 4988.738883][ T74] netlink_unicast+0x449/0x710 [ 4988.738883][ T74] netlink_sendmsg+0x723/0xbe0 [ 4988.738883][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4988.738883][ T74] ___sys_sendmsg+0xee/0x170 [ 4988.738883][ T74] __sys_sendmsg+0xcd/0x170 [ 4988.738883][ T74] do_syscall_64+0xc6/0x1e0 [ 4988.738883][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4988.738883][ T74] [ 4998.911956][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 4998.912365][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4998.912365][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4998.912365][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4998.912365][ T74] fib6_nh_init+0xa22/0x1580 [ 4998.912365][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4998.912365][ T74] ip6_route_add+0x1c/0x140 [ 4998.912365][ T74] inet6_rtm_newroute+0x104/0x110 [ 4998.912365][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4998.912365][ T74] netlink_rcv_skb+0x130/0x360 [ 4998.912365][ T74] netlink_unicast+0x449/0x710 [ 4998.912365][ T74] netlink_sendmsg+0x723/0xbe0 [ 4998.912365][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4998.912365][ T74] ___sys_sendmsg+0xee/0x170 [ 4998.912365][ T74] __sys_sendmsg+0xcd/0x170 [ 4998.912365][ T74] do_syscall_64+0xc6/0x1e0 [ 4998.912365][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4998.912365][ T74] [ 4998.914260][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4998.914260][ T74] netdev_get_by_index+0x5e/0x80 [ 4998.914260][ T74] fib6_nh_init+0x3d8/0x1580 [ 4998.914260][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4998.914260][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4998.914260][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4998.914260][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4998.914260][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4998.914260][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4998.914260][ T74] addrconf_dad_begin+0x310/0x670 [ 4998.914260][ T74] addrconf_dad_work+0x10b/0xab0 [ 4998.914260][ T74] process_one_work+0x84d/0x18a0 [ 4998.914260][ T74] worker_thread+0x587/0xd30 [ 4998.914260][ T74] kthread+0x28a/0x350 [ 4998.914260][ T74] ret_from_fork+0x31/0x70 [ 4998.914260][ T74] ret_from_fork_asm+0x1a/0x30 [ 4998.914260][ T74] [ 4998.916167][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4998.916167][ T74] netdev_get_by_index+0x5e/0x80 [ 4998.916167][ T74] fib6_nh_init+0x3d8/0x1580 [ 4998.916167][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4998.916167][ T74] ip6_route_add+0x1c/0x140 [ 4998.916167][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4998.916167][ T74] inet6_addr_add+0x4f8/0xa40 [ 4998.916167][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4998.916167][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4998.916167][ T74] netlink_rcv_skb+0x130/0x360 [ 4998.916167][ T74] netlink_unicast+0x449/0x710 [ 4998.916167][ T74] netlink_sendmsg+0x723/0xbe0 [ 4998.916167][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4998.916167][ T74] ___sys_sendmsg+0xee/0x170 [ 4998.916167][ T74] __sys_sendmsg+0xcd/0x170 [ 4998.916167][ T74] do_syscall_64+0xc6/0x1e0 [ 4998.916167][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4998.916167][ T74] [ 4998.918152][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4998.918152][ T74] netdev_get_by_index+0x5e/0x80 [ 4998.918152][ T74] fib6_nh_init+0x3d8/0x1580 [ 4998.918152][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4998.918152][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4998.918152][ T74] ipv6_add_addr+0x411/0x2000 [ 4998.918152][ T74] inet6_addr_add+0x30e/0xa40 [ 4998.918152][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4998.918152][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4998.918152][ T74] netlink_rcv_skb+0x130/0x360 [ 4998.918152][ T74] netlink_unicast+0x449/0x710 [ 4998.918152][ T74] netlink_sendmsg+0x723/0xbe0 [ 4998.918152][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4998.918152][ T74] ___sys_sendmsg+0xee/0x170 [ 4998.918152][ T74] __sys_sendmsg+0xcd/0x170 [ 4998.918152][ T74] do_syscall_64+0xc6/0x1e0 [ 4998.918152][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4998.918152][ T74] [ 4998.920129][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4998.920129][ T74] netdev_get_by_index+0x5e/0x80 [ 4998.920129][ T74] fib6_nh_init+0x3d8/0x1580 [ 4998.920129][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4998.920129][ T74] ip6_route_add+0x1c/0x140 [ 4998.920129][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4998.920129][ T74] addrconf_add_dev+0xe2/0x170 [ 4998.920129][ T74] inet6_addr_add+0x12f/0xa40 [ 4998.920129][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4998.920129][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4998.920129][ T74] netlink_rcv_skb+0x130/0x360 [ 4998.920129][ T74] netlink_unicast+0x449/0x710 [ 4998.920129][ T74] netlink_sendmsg+0x723/0xbe0 [ 4998.920129][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4998.920129][ T74] ___sys_sendmsg+0xee/0x170 [ 4998.920129][ T74] __sys_sendmsg+0xcd/0x170 [ 4998.920129][ T74] do_syscall_64+0xc6/0x1e0 [ 4998.920129][ T74] [ 4998.922104][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4998.922104][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4998.922104][ T74] ipv6_find_idev+0x102/0x170 [ 4998.922104][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4998.922104][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4998.922104][ T74] netlink_rcv_skb+0x130/0x360 [ 4998.922104][ T74] netlink_unicast+0x449/0x710 [ 4998.922104][ T74] netlink_sendmsg+0x723/0xbe0 [ 4998.922104][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4998.922104][ T74] ___sys_sendmsg+0xee/0x170 [ 4998.922104][ T74] __sys_sendmsg+0xcd/0x170 [ 4998.922104][ T74] do_syscall_64+0xc6/0x1e0 [ 4998.922104][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4998.922104][ T74] [ 4998.923635][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 4998.923635][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4998.923635][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4998.923635][ T74] ipv6_find_idev+0x102/0x170 [ 4998.923635][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4998.923635][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4998.923635][ T74] netlink_rcv_skb+0x130/0x360 [ 4998.923635][ T74] netlink_unicast+0x449/0x710 [ 4998.923635][ T74] netlink_sendmsg+0x723/0xbe0 [ 4998.923635][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4998.923635][ T74] ___sys_sendmsg+0xee/0x170 [ 4998.923635][ T74] __sys_sendmsg+0xcd/0x170 [ 4998.923635][ T74] do_syscall_64+0xc6/0x1e0 [ 4998.923635][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4998.923635][ T74] [ 4998.925315][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 4998.925594][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 4998.925594][ T74] dst_init+0x84/0x4a0 [ 4998.925594][ T74] dst_alloc+0x97/0x150 [ 4998.925594][ T74] ip6_dst_alloc+0x23/0x90 [ 4998.925594][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 4998.925594][ T74] ip6_pol_route+0x56f/0x840 [ 4998.925594][ T74] fib6_rule_lookup+0x456/0x630 [ 4998.925594][ T74] ip6_route_input+0x59c/0xa50 [ 4998.925594][ T74] ipv6_rcv+0x397/0x810 [ 4998.925594][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 4998.925594][ T74] process_backlog+0x101/0x620 [ 4998.925594][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 4998.925594][ T74] net_rx_action+0x495/0xbe0 [ 4998.925594][ T74] __do_softirq+0x1b5/0x7f6 [ 4998.925594][ T74] [ 4998.927213][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4998.927213][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 4998.927213][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 4998.927213][ T74] fib6_nh_init+0xa22/0x1580 [ 4998.927213][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4998.927213][ T74] ip6_route_add+0x1c/0x140 [ 4998.927213][ T74] inet6_rtm_newroute+0x104/0x110 [ 4998.927213][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4998.927213][ T74] netlink_rcv_skb+0x130/0x360 [ 4998.927213][ T74] netlink_unicast+0x449/0x710 [ 4998.927213][ T74] netlink_sendmsg+0x723/0xbe0 [ 4998.927213][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4998.927213][ T74] ___sys_sendmsg+0xee/0x170 [ 4998.927213][ T74] __sys_sendmsg+0xcd/0x170 [ 4998.927213][ T74] do_syscall_64+0xc6/0x1e0 [ 4998.927213][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4998.927213][ T74] [ 4998.929073][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4998.929073][ T74] netdev_get_by_index+0x5e/0x80 [ 4998.929073][ T74] fib6_nh_init+0x3d8/0x1580 [ 4998.929073][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4998.929073][ T74] addrconf_f6i_alloc+0x265/0x560 [ 4998.929073][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 4998.929073][ T74] addrconf_join_anycast+0x1c0/0x220 [ 4998.929073][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 4998.929073][ T74] addrconf_dad_completed+0x12b/0xe20 [ 4998.929073][ T74] addrconf_dad_begin+0x310/0x670 [ 4998.929073][ T74] addrconf_dad_work+0x10b/0xab0 [ 4998.929073][ T74] process_one_work+0x84d/0x18a0 [ 4998.929073][ T74] worker_thread+0x587/0xd30 [ 4998.929073][ T74] kthread+0x28a/0x350 [ 4998.929073][ T74] ret_from_fork+0x31/0x70 [ 4998.929073][ T74] ret_from_fork_asm+0x1a/0x30 [ 4998.929073][ T74] [ 4998.930963][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4998.930963][ T74] netdev_get_by_index+0x5e/0x80 [ 4998.930963][ T74] fib6_nh_init+0x3d8/0x1580 [ 4998.930963][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4998.930963][ T74] ip6_route_add+0x1c/0x140 [ 4998.930963][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4998.930963][ T74] inet6_addr_add+0x4f8/0xa40 [ 4998.930963][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4998.930963][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4998.930963][ T74] netlink_rcv_skb+0x130/0x360 [ 4998.930963][ T74] netlink_unicast+0x449/0x710 [ 4998.930963][ T74] netlink_sendmsg+0x723/0xbe0 [ 4998.930963][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4998.930963][ T74] ___sys_sendmsg+0xee/0x170 [ 4998.930963][ T74] __sys_sendmsg+0xcd/0x170 [ 4998.930963][ T74] do_syscall_64+0xc6/0x1e0 [ 4998.930963][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4998.930963][ T74] [ 4998.932948][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4998.932948][ T74] netdev_get_by_index+0x5e/0x80 [ 4998.932948][ T74] fib6_nh_init+0x3d8/0x1580 [ 4998.932948][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4998.932948][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4998.932948][ T74] ipv6_add_addr+0x411/0x2000 [ 4998.932948][ T74] inet6_addr_add+0x30e/0xa40 [ 4998.932948][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4998.932948][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4998.932948][ T74] netlink_rcv_skb+0x130/0x360 [ 4998.932948][ T74] netlink_unicast+0x449/0x710 [ 4998.932948][ T74] netlink_sendmsg+0x723/0xbe0 [ 4998.932948][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4998.932948][ T74] ___sys_sendmsg+0xee/0x170 [ 4998.932948][ T74] __sys_sendmsg+0xcd/0x170 [ 4998.932948][ T74] do_syscall_64+0xc6/0x1e0 [ 4998.932948][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4998.932948][ T74] [ 4998.934931][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4998.934931][ T74] netdev_get_by_index+0x5e/0x80 [ 4998.934931][ T74] fib6_nh_init+0x3d8/0x1580 [ 4998.934931][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4998.934931][ T74] ip6_route_add+0x1c/0x140 [ 4998.934931][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 4998.934931][ T74] addrconf_add_dev+0xe2/0x170 [ 4998.934931][ T74] inet6_addr_add+0x12f/0xa40 [ 4998.934931][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4998.934931][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4998.934931][ T74] netlink_rcv_skb+0x130/0x360 [ 4998.934931][ T74] netlink_unicast+0x449/0x710 [ 4998.934931][ T74] netlink_sendmsg+0x723/0xbe0 [ 4998.934931][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4998.934931][ T74] ___sys_sendmsg+0xee/0x170 [ 4998.934931][ T74] __sys_sendmsg+0xcd/0x170 [ 4998.934931][ T74] do_syscall_64+0xc6/0x1e0 [ 4998.934931][ T74] [ 4998.936877][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4998.936877][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4998.936877][ T74] ipv6_find_idev+0x102/0x170 [ 4998.936877][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4998.936877][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4998.936877][ T74] netlink_rcv_skb+0x130/0x360 [ 4998.936877][ T74] netlink_unicast+0x449/0x710 [ 4998.936877][ T74] netlink_sendmsg+0x723/0xbe0 [ 4998.936877][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4998.936877][ T74] ___sys_sendmsg+0xee/0x170 [ 4998.936877][ T74] __sys_sendmsg+0xcd/0x170 [ 4998.936877][ T74] do_syscall_64+0xc6/0x1e0 [ 4998.936877][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4998.936877][ T74] [ 4998.938578][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 4998.938578][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4998.938578][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4998.938578][ T74] ipv6_find_idev+0x102/0x170 [ 4998.938578][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4998.938578][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4998.938578][ T74] netlink_rcv_skb+0x130/0x360 [ 4998.938578][ T74] netlink_unicast+0x449/0x710 [ 4998.938578][ T74] netlink_sendmsg+0x723/0xbe0 [ 4998.938578][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4998.938578][ T74] ___sys_sendmsg+0xee/0x170 [ 4998.938578][ T74] __sys_sendmsg+0xcd/0x170 [ 4998.938578][ T74] do_syscall_64+0xc6/0x1e0 [ 4998.938578][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4998.938578][ T74] [ 4998.940419][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 4998.940663][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4998.940663][ T74] netdev_get_by_index+0x5e/0x80 [ 4998.940663][ T74] fib6_nh_init+0x3d8/0x1580 [ 4998.940663][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4998.940663][ T74] ip6_route_add+0x1c/0x140 [ 4998.940663][ T74] addrconf_prefix_route+0x2a6/0x430 [ 4998.940663][ T74] inet6_addr_add+0x4f8/0xa40 [ 4998.940663][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4998.940663][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4998.940663][ T74] netlink_rcv_skb+0x130/0x360 [ 4998.940663][ T74] netlink_unicast+0x449/0x710 [ 4998.940663][ T74] netlink_sendmsg+0x723/0xbe0 [ 4998.940663][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4998.940663][ T74] ___sys_sendmsg+0xee/0x170 [ 4998.940663][ T74] __sys_sendmsg+0xcd/0x170 [ 4998.940663][ T74] do_syscall_64+0xc6/0x1e0 [ 4998.940663][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4998.940663][ T74] [ 4998.942939][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4998.942939][ T74] netdev_get_by_index+0x5e/0x80 [ 4998.942939][ T74] fib6_nh_init+0x3d8/0x1580 [ 4998.942939][ T74] ip6_route_info_create+0xf18/0x17d0 [ 4998.942939][ T74] addrconf_f6i_alloc+0x315/0x560 [ 4998.942939][ T74] ipv6_add_addr+0x411/0x2000 [ 4998.942939][ T74] inet6_addr_add+0x30e/0xa40 [ 4998.942939][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 4998.942939][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4998.942939][ T74] netlink_rcv_skb+0x130/0x360 [ 4998.942939][ T74] netlink_unicast+0x449/0x710 [ 4998.942939][ T74] netlink_sendmsg+0x723/0xbe0 [ 4998.942939][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4998.942939][ T74] ___sys_sendmsg+0xee/0x170 [ 4998.942939][ T74] __sys_sendmsg+0xcd/0x170 [ 4998.942939][ T74] do_syscall_64+0xc6/0x1e0 [ 4998.942939][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4998.942939][ T74] [ 4998.945159][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4998.945159][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 4998.945159][ T74] ipv6_find_idev+0x102/0x170 [ 4998.945159][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4998.945159][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4998.945159][ T74] netlink_rcv_skb+0x130/0x360 [ 4998.945159][ T74] netlink_unicast+0x449/0x710 [ 4998.945159][ T74] netlink_sendmsg+0x723/0xbe0 [ 4998.945159][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4998.945159][ T74] ___sys_sendmsg+0xee/0x170 [ 4998.945159][ T74] __sys_sendmsg+0xcd/0x170 [ 4998.945159][ T74] do_syscall_64+0xc6/0x1e0 [ 4998.945159][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4998.945159][ T74] [ 4998.946862][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 4998.946862][ T74] neigh_parms_alloc+0x1e5/0x510 [ 4998.946862][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 4998.946862][ T74] ipv6_find_idev+0x102/0x170 [ 4998.946862][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 4998.946862][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4998.946862][ T74] netlink_rcv_skb+0x130/0x360 [ 4998.946862][ T74] netlink_unicast+0x449/0x710 [ 4998.946862][ T74] netlink_sendmsg+0x723/0xbe0 [ 4998.946862][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 4998.946862][ T74] ___sys_sendmsg+0xee/0x170 [ 4998.946862][ T74] __sys_sendmsg+0xcd/0x170 [ 4998.946862][ T74] do_syscall_64+0xc6/0x1e0 [ 4998.946862][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4998.946862][ T74] [ 5009.007975][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5009.008424][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5009.008424][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5009.008424][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5009.008424][ T74] fib6_nh_init+0xa22/0x1580 [ 5009.008424][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5009.008424][ T74] ip6_route_add+0x1c/0x140 [ 5009.008424][ T74] inet6_rtm_newroute+0x104/0x110 [ 5009.008424][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5009.008424][ T74] netlink_rcv_skb+0x130/0x360 [ 5009.008424][ T74] netlink_unicast+0x449/0x710 [ 5009.008424][ T74] netlink_sendmsg+0x723/0xbe0 [ 5009.008424][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5009.008424][ T74] ___sys_sendmsg+0xee/0x170 [ 5009.008424][ T74] __sys_sendmsg+0xcd/0x170 [ 5009.008424][ T74] do_syscall_64+0xc6/0x1e0 [ 5009.008424][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5009.008424][ T74] [ 5009.010341][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5009.010341][ T74] netdev_get_by_index+0x5e/0x80 [ 5009.010341][ T74] fib6_nh_init+0x3d8/0x1580 [ 5009.010341][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5009.010341][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5009.010341][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5009.010341][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5009.010341][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5009.010341][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5009.010341][ T74] addrconf_dad_begin+0x310/0x670 [ 5009.010341][ T74] addrconf_dad_work+0x10b/0xab0 [ 5009.010341][ T74] process_one_work+0x84d/0x18a0 [ 5009.010341][ T74] worker_thread+0x587/0xd30 [ 5009.010341][ T74] kthread+0x28a/0x350 [ 5009.010341][ T74] ret_from_fork+0x31/0x70 [ 5009.010341][ T74] ret_from_fork_asm+0x1a/0x30 [ 5009.010341][ T74] [ 5009.012274][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5009.012274][ T74] netdev_get_by_index+0x5e/0x80 [ 5009.012274][ T74] fib6_nh_init+0x3d8/0x1580 [ 5009.012274][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5009.012274][ T74] ip6_route_add+0x1c/0x140 [ 5009.012274][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5009.012274][ T74] inet6_addr_add+0x4f8/0xa40 [ 5009.012274][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5009.012274][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5009.012274][ T74] netlink_rcv_skb+0x130/0x360 [ 5009.012274][ T74] netlink_unicast+0x449/0x710 [ 5009.012274][ T74] netlink_sendmsg+0x723/0xbe0 [ 5009.012274][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5009.012274][ T74] ___sys_sendmsg+0xee/0x170 [ 5009.012274][ T74] __sys_sendmsg+0xcd/0x170 [ 5009.012274][ T74] do_syscall_64+0xc6/0x1e0 [ 5009.012274][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5009.012274][ T74] [ 5009.014398][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5009.014398][ T74] netdev_get_by_index+0x5e/0x80 [ 5009.014398][ T74] fib6_nh_init+0x3d8/0x1580 [ 5009.014398][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5009.014398][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5009.014398][ T74] ipv6_add_addr+0x411/0x2000 [ 5009.014398][ T74] inet6_addr_add+0x30e/0xa40 [ 5009.014398][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5009.014398][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5009.014398][ T74] netlink_rcv_skb+0x130/0x360 [ 5009.014398][ T74] netlink_unicast+0x449/0x710 [ 5009.014398][ T74] netlink_sendmsg+0x723/0xbe0 [ 5009.014398][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5009.014398][ T74] ___sys_sendmsg+0xee/0x170 [ 5009.014398][ T74] __sys_sendmsg+0xcd/0x170 [ 5009.014398][ T74] do_syscall_64+0xc6/0x1e0 [ 5009.014398][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5009.014398][ T74] [ 5009.016411][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5009.016411][ T74] netdev_get_by_index+0x5e/0x80 [ 5009.016411][ T74] fib6_nh_init+0x3d8/0x1580 [ 5009.016411][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5009.016411][ T74] ip6_route_add+0x1c/0x140 [ 5009.016411][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5009.016411][ T74] addrconf_add_dev+0xe2/0x170 [ 5009.016411][ T74] inet6_addr_add+0x12f/0xa40 [ 5009.016411][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5009.016411][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5009.016411][ T74] netlink_rcv_skb+0x130/0x360 [ 5009.016411][ T74] netlink_unicast+0x449/0x710 [ 5009.016411][ T74] netlink_sendmsg+0x723/0xbe0 [ 5009.016411][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5009.016411][ T74] ___sys_sendmsg+0xee/0x170 [ 5009.016411][ T74] __sys_sendmsg+0xcd/0x170 [ 5009.016411][ T74] do_syscall_64+0xc6/0x1e0 [ 5009.016411][ T74] [ 5009.018385][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5009.018385][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5009.018385][ T74] ipv6_find_idev+0x102/0x170 [ 5009.018385][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5009.018385][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5009.018385][ T74] netlink_rcv_skb+0x130/0x360 [ 5009.018385][ T74] netlink_unicast+0x449/0x710 [ 5009.018385][ T74] netlink_sendmsg+0x723/0xbe0 [ 5009.018385][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5009.018385][ T74] ___sys_sendmsg+0xee/0x170 [ 5009.018385][ T74] __sys_sendmsg+0xcd/0x170 [ 5009.018385][ T74] do_syscall_64+0xc6/0x1e0 [ 5009.018385][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5009.018385][ T74] [ 5009.019934][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5009.019934][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5009.019934][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5009.019934][ T74] ipv6_find_idev+0x102/0x170 [ 5009.019934][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5009.019934][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5009.019934][ T74] netlink_rcv_skb+0x130/0x360 [ 5009.019934][ T74] netlink_unicast+0x449/0x710 [ 5009.019934][ T74] netlink_sendmsg+0x723/0xbe0 [ 5009.019934][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5009.019934][ T74] ___sys_sendmsg+0xee/0x170 [ 5009.019934][ T74] __sys_sendmsg+0xcd/0x170 [ 5009.019934][ T74] do_syscall_64+0xc6/0x1e0 [ 5009.019934][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5009.019934][ T74] [ 5009.021643][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5009.021926][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5009.021926][ T74] dst_init+0x84/0x4a0 [ 5009.021926][ T74] dst_alloc+0x97/0x150 [ 5009.021926][ T74] ip6_dst_alloc+0x23/0x90 [ 5009.021926][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5009.021926][ T74] ip6_pol_route+0x56f/0x840 [ 5009.021926][ T74] fib6_rule_lookup+0x456/0x630 [ 5009.021926][ T74] ip6_route_input+0x59c/0xa50 [ 5009.021926][ T74] ipv6_rcv+0x397/0x810 [ 5009.021926][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5009.021926][ T74] process_backlog+0x101/0x620 [ 5009.021926][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5009.021926][ T74] net_rx_action+0x495/0xbe0 [ 5009.021926][ T74] __do_softirq+0x1b5/0x7f6 [ 5009.021926][ T74] [ 5009.023573][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5009.023573][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5009.023573][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5009.023573][ T74] fib6_nh_init+0xa22/0x1580 [ 5009.023573][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5009.023573][ T74] ip6_route_add+0x1c/0x140 [ 5009.023573][ T74] inet6_rtm_newroute+0x104/0x110 [ 5009.023573][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5009.023573][ T74] netlink_rcv_skb+0x130/0x360 [ 5009.023573][ T74] netlink_unicast+0x449/0x710 [ 5009.023573][ T74] netlink_sendmsg+0x723/0xbe0 [ 5009.023573][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5009.023573][ T74] ___sys_sendmsg+0xee/0x170 [ 5009.023573][ T74] __sys_sendmsg+0xcd/0x170 [ 5009.023573][ T74] do_syscall_64+0xc6/0x1e0 [ 5009.023573][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5009.023573][ T74] [ 5009.025464][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5009.025464][ T74] netdev_get_by_index+0x5e/0x80 [ 5009.025464][ T74] fib6_nh_init+0x3d8/0x1580 [ 5009.025464][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5009.025464][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5009.025464][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5009.025464][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5009.025464][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5009.025464][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5009.025464][ T74] addrconf_dad_begin+0x310/0x670 [ 5009.025464][ T74] addrconf_dad_work+0x10b/0xab0 [ 5009.025464][ T74] process_one_work+0x84d/0x18a0 [ 5009.025464][ T74] worker_thread+0x587/0xd30 [ 5009.025464][ T74] kthread+0x28a/0x350 [ 5009.025464][ T74] ret_from_fork+0x31/0x70 [ 5009.025464][ T74] ret_from_fork_asm+0x1a/0x30 [ 5009.025464][ T74] [ 5009.027389][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5009.027389][ T74] netdev_get_by_index+0x5e/0x80 [ 5009.027389][ T74] fib6_nh_init+0x3d8/0x1580 [ 5009.027389][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5009.027389][ T74] ip6_route_add+0x1c/0x140 [ 5009.027389][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5009.027389][ T74] inet6_addr_add+0x4f8/0xa40 [ 5009.027389][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5009.027389][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5009.027389][ T74] netlink_rcv_skb+0x130/0x360 [ 5009.027389][ T74] netlink_unicast+0x449/0x710 [ 5009.027389][ T74] netlink_sendmsg+0x723/0xbe0 [ 5009.027389][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5009.027389][ T74] ___sys_sendmsg+0xee/0x170 [ 5009.027389][ T74] __sys_sendmsg+0xcd/0x170 [ 5009.027389][ T74] do_syscall_64+0xc6/0x1e0 [ 5009.027389][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5009.027389][ T74] [ 5009.029402][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5009.029402][ T74] netdev_get_by_index+0x5e/0x80 [ 5009.029402][ T74] fib6_nh_init+0x3d8/0x1580 [ 5009.029402][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5009.029402][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5009.029402][ T74] ipv6_add_addr+0x411/0x2000 [ 5009.029402][ T74] inet6_addr_add+0x30e/0xa40 [ 5009.029402][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5009.029402][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5009.029402][ T74] netlink_rcv_skb+0x130/0x360 [ 5009.029402][ T74] netlink_unicast+0x449/0x710 [ 5009.029402][ T74] netlink_sendmsg+0x723/0xbe0 [ 5009.029402][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5009.029402][ T74] ___sys_sendmsg+0xee/0x170 [ 5009.029402][ T74] __sys_sendmsg+0xcd/0x170 [ 5009.029402][ T74] do_syscall_64+0xc6/0x1e0 [ 5009.029402][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5009.029402][ T74] [ 5009.031406][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5009.031406][ T74] netdev_get_by_index+0x5e/0x80 [ 5009.031406][ T74] fib6_nh_init+0x3d8/0x1580 [ 5009.031406][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5009.031406][ T74] ip6_route_add+0x1c/0x140 [ 5009.031406][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5009.031406][ T74] addrconf_add_dev+0xe2/0x170 [ 5009.031406][ T74] inet6_addr_add+0x12f/0xa40 [ 5009.031406][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5009.031406][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5009.031406][ T74] netlink_rcv_skb+0x130/0x360 [ 5009.031406][ T74] netlink_unicast+0x449/0x710 [ 5009.031406][ T74] netlink_sendmsg+0x723/0xbe0 [ 5009.031406][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5009.031406][ T74] ___sys_sendmsg+0xee/0x170 [ 5009.031406][ T74] __sys_sendmsg+0xcd/0x170 [ 5009.031406][ T74] do_syscall_64+0xc6/0x1e0 [ 5009.031406][ T74] [ 5009.033386][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5009.033386][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5009.033386][ T74] ipv6_find_idev+0x102/0x170 [ 5009.033386][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5009.033386][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5009.033386][ T74] netlink_rcv_skb+0x130/0x360 [ 5009.033386][ T74] netlink_unicast+0x449/0x710 [ 5009.033386][ T74] netlink_sendmsg+0x723/0xbe0 [ 5009.033386][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5009.033386][ T74] ___sys_sendmsg+0xee/0x170 [ 5009.033386][ T74] __sys_sendmsg+0xcd/0x170 [ 5009.033386][ T74] do_syscall_64+0xc6/0x1e0 [ 5009.033386][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5009.033386][ T74] [ 5009.035124][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5009.035124][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5009.035124][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5009.035124][ T74] ipv6_find_idev+0x102/0x170 [ 5009.035124][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5009.035124][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5009.035124][ T74] netlink_rcv_skb+0x130/0x360 [ 5009.035124][ T74] netlink_unicast+0x449/0x710 [ 5009.035124][ T74] netlink_sendmsg+0x723/0xbe0 [ 5009.035124][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5009.035124][ T74] ___sys_sendmsg+0xee/0x170 [ 5009.035124][ T74] __sys_sendmsg+0xcd/0x170 [ 5009.035124][ T74] do_syscall_64+0xc6/0x1e0 [ 5009.035124][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5009.035124][ T74] [ 5009.037009][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5009.037608][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5009.037608][ T74] netdev_get_by_index+0x5e/0x80 [ 5009.037608][ T74] fib6_nh_init+0x3d8/0x1580 [ 5009.037608][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5009.037608][ T74] ip6_route_add+0x1c/0x140 [ 5009.037608][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5009.037608][ T74] inet6_addr_add+0x4f8/0xa40 [ 5009.037608][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5009.037608][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5009.037608][ T74] netlink_rcv_skb+0x130/0x360 [ 5009.037608][ T74] netlink_unicast+0x449/0x710 [ 5009.037608][ T74] netlink_sendmsg+0x723/0xbe0 [ 5009.037608][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5009.037608][ T74] ___sys_sendmsg+0xee/0x170 [ 5009.037608][ T74] __sys_sendmsg+0xcd/0x170 [ 5009.037608][ T74] do_syscall_64+0xc6/0x1e0 [ 5009.037608][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5009.037608][ T74] [ 5009.039789][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5009.039789][ T74] netdev_get_by_index+0x5e/0x80 [ 5009.039789][ T74] fib6_nh_init+0x3d8/0x1580 [ 5009.039789][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5009.039789][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5009.039789][ T74] ipv6_add_addr+0x411/0x2000 [ 5009.039789][ T74] inet6_addr_add+0x30e/0xa40 [ 5009.039789][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5009.039789][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5009.039789][ T74] netlink_rcv_skb+0x130/0x360 [ 5009.039789][ T74] netlink_unicast+0x449/0x710 [ 5009.039789][ T74] netlink_sendmsg+0x723/0xbe0 [ 5009.039789][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5009.039789][ T74] ___sys_sendmsg+0xee/0x170 [ 5009.039789][ T74] __sys_sendmsg+0xcd/0x170 [ 5009.039789][ T74] do_syscall_64+0xc6/0x1e0 [ 5009.039789][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5009.039789][ T74] [ 5009.042030][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5009.042030][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5009.042030][ T74] ipv6_find_idev+0x102/0x170 [ 5009.042030][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5009.042030][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5009.042030][ T74] netlink_rcv_skb+0x130/0x360 [ 5009.042030][ T74] netlink_unicast+0x449/0x710 [ 5009.042030][ T74] netlink_sendmsg+0x723/0xbe0 [ 5009.042030][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5009.042030][ T74] ___sys_sendmsg+0xee/0x170 [ 5009.042030][ T74] __sys_sendmsg+0xcd/0x170 [ 5009.042030][ T74] do_syscall_64+0xc6/0x1e0 [ 5009.042030][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5009.042030][ T74] [ 5009.043816][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5009.043816][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5009.043816][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5009.043816][ T74] ipv6_find_idev+0x102/0x170 [ 5009.043816][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5009.043816][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5009.043816][ T74] netlink_rcv_skb+0x130/0x360 [ 5009.043816][ T74] netlink_unicast+0x449/0x710 [ 5009.043816][ T74] netlink_sendmsg+0x723/0xbe0 [ 5009.043816][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5009.043816][ T74] ___sys_sendmsg+0xee/0x170 [ 5009.043816][ T74] __sys_sendmsg+0xcd/0x170 [ 5009.043816][ T74] do_syscall_64+0xc6/0x1e0 [ 5009.043816][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5009.043816][ T74] [ 5019.151975][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5019.152388][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5019.152388][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5019.152388][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5019.152388][ T74] fib6_nh_init+0xa22/0x1580 [ 5019.152388][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5019.152388][ T74] ip6_route_add+0x1c/0x140 [ 5019.152388][ T74] inet6_rtm_newroute+0x104/0x110 [ 5019.152388][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5019.152388][ T74] netlink_rcv_skb+0x130/0x360 [ 5019.152388][ T74] netlink_unicast+0x449/0x710 [ 5019.152388][ T74] netlink_sendmsg+0x723/0xbe0 [ 5019.152388][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5019.152388][ T74] ___sys_sendmsg+0xee/0x170 [ 5019.152388][ T74] __sys_sendmsg+0xcd/0x170 [ 5019.152388][ T74] do_syscall_64+0xc6/0x1e0 [ 5019.152388][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5019.152388][ T74] [ 5019.154273][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5019.154273][ T74] netdev_get_by_index+0x5e/0x80 [ 5019.154273][ T74] fib6_nh_init+0x3d8/0x1580 [ 5019.154273][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5019.154273][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5019.154273][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5019.154273][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5019.154273][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5019.154273][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5019.154273][ T74] addrconf_dad_begin+0x310/0x670 [ 5019.154273][ T74] addrconf_dad_work+0x10b/0xab0 [ 5019.154273][ T74] process_one_work+0x84d/0x18a0 [ 5019.154273][ T74] worker_thread+0x587/0xd30 [ 5019.154273][ T74] kthread+0x28a/0x350 [ 5019.154273][ T74] ret_from_fork+0x31/0x70 [ 5019.154273][ T74] ret_from_fork_asm+0x1a/0x30 [ 5019.154273][ T74] [ 5019.156200][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5019.156200][ T74] netdev_get_by_index+0x5e/0x80 [ 5019.156200][ T74] fib6_nh_init+0x3d8/0x1580 [ 5019.156200][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5019.156200][ T74] ip6_route_add+0x1c/0x140 [ 5019.156200][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5019.156200][ T74] inet6_addr_add+0x4f8/0xa40 [ 5019.156200][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5019.156200][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5019.156200][ T74] netlink_rcv_skb+0x130/0x360 [ 5019.156200][ T74] netlink_unicast+0x449/0x710 [ 5019.156200][ T74] netlink_sendmsg+0x723/0xbe0 [ 5019.156200][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5019.156200][ T74] ___sys_sendmsg+0xee/0x170 [ 5019.156200][ T74] __sys_sendmsg+0xcd/0x170 [ 5019.156200][ T74] do_syscall_64+0xc6/0x1e0 [ 5019.156200][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5019.156200][ T74] [ 5019.158177][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5019.158177][ T74] netdev_get_by_index+0x5e/0x80 [ 5019.158177][ T74] fib6_nh_init+0x3d8/0x1580 [ 5019.158177][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5019.158177][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5019.158177][ T74] ipv6_add_addr+0x411/0x2000 [ 5019.158177][ T74] inet6_addr_add+0x30e/0xa40 [ 5019.158177][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5019.158177][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5019.158177][ T74] netlink_rcv_skb+0x130/0x360 [ 5019.158177][ T74] netlink_unicast+0x449/0x710 [ 5019.158177][ T74] netlink_sendmsg+0x723/0xbe0 [ 5019.158177][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5019.158177][ T74] ___sys_sendmsg+0xee/0x170 [ 5019.158177][ T74] __sys_sendmsg+0xcd/0x170 [ 5019.158177][ T74] do_syscall_64+0xc6/0x1e0 [ 5019.158177][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5019.158177][ T74] [ 5019.160154][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5019.160154][ T74] netdev_get_by_index+0x5e/0x80 [ 5019.160154][ T74] fib6_nh_init+0x3d8/0x1580 [ 5019.160154][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5019.160154][ T74] ip6_route_add+0x1c/0x140 [ 5019.160154][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5019.160154][ T74] addrconf_add_dev+0xe2/0x170 [ 5019.160154][ T74] inet6_addr_add+0x12f/0xa40 [ 5019.160154][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5019.160154][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5019.160154][ T74] netlink_rcv_skb+0x130/0x360 [ 5019.160154][ T74] netlink_unicast+0x449/0x710 [ 5019.160154][ T74] netlink_sendmsg+0x723/0xbe0 [ 5019.160154][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5019.160154][ T74] ___sys_sendmsg+0xee/0x170 [ 5019.160154][ T74] __sys_sendmsg+0xcd/0x170 [ 5019.160154][ T74] do_syscall_64+0xc6/0x1e0 [ 5019.160154][ T74] [ 5019.162095][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5019.162095][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5019.162095][ T74] ipv6_find_idev+0x102/0x170 [ 5019.162095][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5019.162095][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5019.162095][ T74] netlink_rcv_skb+0x130/0x360 [ 5019.162095][ T74] netlink_unicast+0x449/0x710 [ 5019.162095][ T74] netlink_sendmsg+0x723/0xbe0 [ 5019.162095][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5019.162095][ T74] ___sys_sendmsg+0xee/0x170 [ 5019.162095][ T74] __sys_sendmsg+0xcd/0x170 [ 5019.162095][ T74] do_syscall_64+0xc6/0x1e0 [ 5019.162095][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5019.162095][ T74] [ 5019.163618][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5019.163618][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5019.163618][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5019.163618][ T74] ipv6_find_idev+0x102/0x170 [ 5019.163618][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5019.163618][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5019.163618][ T74] netlink_rcv_skb+0x130/0x360 [ 5019.163618][ T74] netlink_unicast+0x449/0x710 [ 5019.163618][ T74] netlink_sendmsg+0x723/0xbe0 [ 5019.163618][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5019.163618][ T74] ___sys_sendmsg+0xee/0x170 [ 5019.163618][ T74] __sys_sendmsg+0xcd/0x170 [ 5019.163618][ T74] do_syscall_64+0xc6/0x1e0 [ 5019.163618][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5019.163618][ T74] [ 5019.165297][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5019.165605][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5019.165605][ T74] dst_init+0x84/0x4a0 [ 5019.165605][ T74] dst_alloc+0x97/0x150 [ 5019.165605][ T74] ip6_dst_alloc+0x23/0x90 [ 5019.165605][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5019.165605][ T74] ip6_pol_route+0x56f/0x840 [ 5019.165605][ T74] fib6_rule_lookup+0x456/0x630 [ 5019.165605][ T74] ip6_route_input+0x59c/0xa50 [ 5019.165605][ T74] ipv6_rcv+0x397/0x810 [ 5019.165605][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5019.165605][ T74] process_backlog+0x101/0x620 [ 5019.165605][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5019.165605][ T74] net_rx_action+0x495/0xbe0 [ 5019.165605][ T74] __do_softirq+0x1b5/0x7f6 [ 5019.165605][ T74] [ 5019.167226][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5019.167226][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5019.167226][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5019.167226][ T74] fib6_nh_init+0xa22/0x1580 [ 5019.167226][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5019.167226][ T74] ip6_route_add+0x1c/0x140 [ 5019.167226][ T74] inet6_rtm_newroute+0x104/0x110 [ 5019.167226][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5019.167226][ T74] netlink_rcv_skb+0x130/0x360 [ 5019.167226][ T74] netlink_unicast+0x449/0x710 [ 5019.167226][ T74] netlink_sendmsg+0x723/0xbe0 [ 5019.167226][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5019.167226][ T74] ___sys_sendmsg+0xee/0x170 [ 5019.167226][ T74] __sys_sendmsg+0xcd/0x170 [ 5019.167226][ T74] do_syscall_64+0xc6/0x1e0 [ 5019.167226][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5019.167226][ T74] [ 5019.169084][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5019.169084][ T74] netdev_get_by_index+0x5e/0x80 [ 5019.169084][ T74] fib6_nh_init+0x3d8/0x1580 [ 5019.169084][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5019.169084][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5019.169084][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5019.169084][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5019.169084][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5019.169084][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5019.169084][ T74] addrconf_dad_begin+0x310/0x670 [ 5019.169084][ T74] addrconf_dad_work+0x10b/0xab0 [ 5019.169084][ T74] process_one_work+0x84d/0x18a0 [ 5019.169084][ T74] worker_thread+0x587/0xd30 [ 5019.169084][ T74] kthread+0x28a/0x350 [ 5019.169084][ T74] ret_from_fork+0x31/0x70 [ 5019.169084][ T74] ret_from_fork_asm+0x1a/0x30 [ 5019.169084][ T74] [ 5019.170978][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5019.170978][ T74] netdev_get_by_index+0x5e/0x80 [ 5019.170978][ T74] fib6_nh_init+0x3d8/0x1580 [ 5019.170978][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5019.170978][ T74] ip6_route_add+0x1c/0x140 [ 5019.170978][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5019.170978][ T74] inet6_addr_add+0x4f8/0xa40 [ 5019.170978][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5019.170978][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5019.170978][ T74] netlink_rcv_skb+0x130/0x360 [ 5019.170978][ T74] netlink_unicast+0x449/0x710 [ 5019.170978][ T74] netlink_sendmsg+0x723/0xbe0 [ 5019.170978][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5019.170978][ T74] ___sys_sendmsg+0xee/0x170 [ 5019.170978][ T74] __sys_sendmsg+0xcd/0x170 [ 5019.170978][ T74] do_syscall_64+0xc6/0x1e0 [ 5019.170978][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5019.170978][ T74] [ 5019.172962][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5019.172962][ T74] netdev_get_by_index+0x5e/0x80 [ 5019.172962][ T74] fib6_nh_init+0x3d8/0x1580 [ 5019.172962][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5019.172962][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5019.172962][ T74] ipv6_add_addr+0x411/0x2000 [ 5019.172962][ T74] inet6_addr_add+0x30e/0xa40 [ 5019.172962][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5019.172962][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5019.172962][ T74] netlink_rcv_skb+0x130/0x360 [ 5019.172962][ T74] netlink_unicast+0x449/0x710 [ 5019.172962][ T74] netlink_sendmsg+0x723/0xbe0 [ 5019.172962][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5019.172962][ T74] ___sys_sendmsg+0xee/0x170 [ 5019.172962][ T74] __sys_sendmsg+0xcd/0x170 [ 5019.172962][ T74] do_syscall_64+0xc6/0x1e0 [ 5019.172962][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5019.172962][ T74] [ 5019.174943][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5019.174943][ T74] netdev_get_by_index+0x5e/0x80 [ 5019.174943][ T74] fib6_nh_init+0x3d8/0x1580 [ 5019.174943][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5019.174943][ T74] ip6_route_add+0x1c/0x140 [ 5019.174943][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5019.174943][ T74] addrconf_add_dev+0xe2/0x170 [ 5019.174943][ T74] inet6_addr_add+0x12f/0xa40 [ 5019.174943][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5019.174943][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5019.174943][ T74] netlink_rcv_skb+0x130/0x360 [ 5019.174943][ T74] netlink_unicast+0x449/0x710 [ 5019.174943][ T74] netlink_sendmsg+0x723/0xbe0 [ 5019.174943][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5019.174943][ T74] ___sys_sendmsg+0xee/0x170 [ 5019.174943][ T74] __sys_sendmsg+0xcd/0x170 [ 5019.174943][ T74] do_syscall_64+0xc6/0x1e0 [ 5019.174943][ T74] [ 5019.176879][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5019.176879][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5019.176879][ T74] ipv6_find_idev+0x102/0x170 [ 5019.176879][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5019.176879][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5019.176879][ T74] netlink_rcv_skb+0x130/0x360 [ 5019.176879][ T74] netlink_unicast+0x449/0x710 [ 5019.176879][ T74] netlink_sendmsg+0x723/0xbe0 [ 5019.176879][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5019.176879][ T74] ___sys_sendmsg+0xee/0x170 [ 5019.176879][ T74] __sys_sendmsg+0xcd/0x170 [ 5019.176879][ T74] do_syscall_64+0xc6/0x1e0 [ 5019.176879][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5019.176879][ T74] [ 5019.178520][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5019.178520][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5019.178520][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5019.178520][ T74] ipv6_find_idev+0x102/0x170 [ 5019.178520][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5019.178520][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5019.178520][ T74] netlink_rcv_skb+0x130/0x360 [ 5019.178520][ T74] netlink_unicast+0x449/0x710 [ 5019.178520][ T74] netlink_sendmsg+0x723/0xbe0 [ 5019.178520][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5019.178520][ T74] ___sys_sendmsg+0xee/0x170 [ 5019.178520][ T74] __sys_sendmsg+0xcd/0x170 [ 5019.178520][ T74] do_syscall_64+0xc6/0x1e0 [ 5019.178520][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5019.178520][ T74] [ 5019.180426][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5019.180670][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5019.180670][ T74] netdev_get_by_index+0x5e/0x80 [ 5019.180670][ T74] fib6_nh_init+0x3d8/0x1580 [ 5019.180670][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5019.180670][ T74] ip6_route_add+0x1c/0x140 [ 5019.180670][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5019.180670][ T74] inet6_addr_add+0x4f8/0xa40 [ 5019.180670][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5019.180670][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5019.180670][ T74] netlink_rcv_skb+0x130/0x360 [ 5019.180670][ T74] netlink_unicast+0x449/0x710 [ 5019.180670][ T74] netlink_sendmsg+0x723/0xbe0 [ 5019.180670][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5019.180670][ T74] ___sys_sendmsg+0xee/0x170 [ 5019.180670][ T74] __sys_sendmsg+0xcd/0x170 [ 5019.180670][ T74] do_syscall_64+0xc6/0x1e0 [ 5019.180670][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5019.180670][ T74] [ 5019.182905][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5019.182905][ T74] netdev_get_by_index+0x5e/0x80 [ 5019.182905][ T74] fib6_nh_init+0x3d8/0x1580 [ 5019.182905][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5019.182905][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5019.182905][ T74] ipv6_add_addr+0x411/0x2000 [ 5019.182905][ T74] inet6_addr_add+0x30e/0xa40 [ 5019.182905][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5019.182905][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5019.182905][ T74] netlink_rcv_skb+0x130/0x360 [ 5019.182905][ T74] netlink_unicast+0x449/0x710 [ 5019.182905][ T74] netlink_sendmsg+0x723/0xbe0 [ 5019.182905][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5019.182905][ T74] ___sys_sendmsg+0xee/0x170 [ 5019.182905][ T74] __sys_sendmsg+0xcd/0x170 [ 5019.182905][ T74] do_syscall_64+0xc6/0x1e0 [ 5019.182905][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5019.182905][ T74] [ 5019.185123][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5019.185123][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5019.185123][ T74] ipv6_find_idev+0x102/0x170 [ 5019.185123][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5019.185123][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5019.185123][ T74] netlink_rcv_skb+0x130/0x360 [ 5019.185123][ T74] netlink_unicast+0x449/0x710 [ 5019.185123][ T74] netlink_sendmsg+0x723/0xbe0 [ 5019.185123][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5019.185123][ T74] ___sys_sendmsg+0xee/0x170 [ 5019.185123][ T74] __sys_sendmsg+0xcd/0x170 [ 5019.185123][ T74] do_syscall_64+0xc6/0x1e0 [ 5019.185123][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5019.185123][ T74] [ 5019.186829][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5019.186829][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5019.186829][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5019.186829][ T74] ipv6_find_idev+0x102/0x170 [ 5019.186829][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5019.186829][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5019.186829][ T74] netlink_rcv_skb+0x130/0x360 [ 5019.186829][ T74] netlink_unicast+0x449/0x710 [ 5019.186829][ T74] netlink_sendmsg+0x723/0xbe0 [ 5019.186829][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5019.186829][ T74] ___sys_sendmsg+0xee/0x170 [ 5019.186829][ T74] __sys_sendmsg+0xcd/0x170 [ 5019.186829][ T74] do_syscall_64+0xc6/0x1e0 [ 5019.186829][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5019.186829][ T74] [ 5029.423979][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5029.424393][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5029.424393][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5029.424393][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5029.424393][ T74] fib6_nh_init+0xa22/0x1580 [ 5029.424393][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5029.424393][ T74] ip6_route_add+0x1c/0x140 [ 5029.424393][ T74] inet6_rtm_newroute+0x104/0x110 [ 5029.424393][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5029.424393][ T74] netlink_rcv_skb+0x130/0x360 [ 5029.424393][ T74] netlink_unicast+0x449/0x710 [ 5029.424393][ T74] netlink_sendmsg+0x723/0xbe0 [ 5029.424393][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5029.424393][ T74] ___sys_sendmsg+0xee/0x170 [ 5029.424393][ T74] __sys_sendmsg+0xcd/0x170 [ 5029.424393][ T74] do_syscall_64+0xc6/0x1e0 [ 5029.424393][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5029.424393][ T74] [ 5029.426294][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5029.426294][ T74] netdev_get_by_index+0x5e/0x80 [ 5029.426294][ T74] fib6_nh_init+0x3d8/0x1580 [ 5029.426294][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5029.426294][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5029.426294][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5029.426294][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5029.426294][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5029.426294][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5029.426294][ T74] addrconf_dad_begin+0x310/0x670 [ 5029.426294][ T74] addrconf_dad_work+0x10b/0xab0 [ 5029.426294][ T74] process_one_work+0x84d/0x18a0 [ 5029.426294][ T74] worker_thread+0x587/0xd30 [ 5029.426294][ T74] kthread+0x28a/0x350 [ 5029.426294][ T74] ret_from_fork+0x31/0x70 [ 5029.426294][ T74] ret_from_fork_asm+0x1a/0x30 [ 5029.426294][ T74] [ 5029.428188][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5029.428188][ T74] netdev_get_by_index+0x5e/0x80 [ 5029.428188][ T74] fib6_nh_init+0x3d8/0x1580 [ 5029.428188][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5029.428188][ T74] ip6_route_add+0x1c/0x140 [ 5029.428188][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5029.428188][ T74] inet6_addr_add+0x4f8/0xa40 [ 5029.428188][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5029.428188][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5029.428188][ T74] netlink_rcv_skb+0x130/0x360 [ 5029.428188][ T74] netlink_unicast+0x449/0x710 [ 5029.428188][ T74] netlink_sendmsg+0x723/0xbe0 [ 5029.428188][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5029.428188][ T74] ___sys_sendmsg+0xee/0x170 [ 5029.428188][ T74] __sys_sendmsg+0xcd/0x170 [ 5029.428188][ T74] do_syscall_64+0xc6/0x1e0 [ 5029.428188][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5029.428188][ T74] [ 5029.430206][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5029.430206][ T74] netdev_get_by_index+0x5e/0x80 [ 5029.430206][ T74] fib6_nh_init+0x3d8/0x1580 [ 5029.430206][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5029.430206][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5029.430206][ T74] ipv6_add_addr+0x411/0x2000 [ 5029.430206][ T74] inet6_addr_add+0x30e/0xa40 [ 5029.430206][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5029.430206][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5029.430206][ T74] netlink_rcv_skb+0x130/0x360 [ 5029.430206][ T74] netlink_unicast+0x449/0x710 [ 5029.430206][ T74] netlink_sendmsg+0x723/0xbe0 [ 5029.430206][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5029.430206][ T74] ___sys_sendmsg+0xee/0x170 [ 5029.430206][ T74] __sys_sendmsg+0xcd/0x170 [ 5029.430206][ T74] do_syscall_64+0xc6/0x1e0 [ 5029.430206][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5029.430206][ T74] [ 5029.432194][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5029.432194][ T74] netdev_get_by_index+0x5e/0x80 [ 5029.432194][ T74] fib6_nh_init+0x3d8/0x1580 [ 5029.432194][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5029.432194][ T74] ip6_route_add+0x1c/0x140 [ 5029.432194][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5029.432194][ T74] addrconf_add_dev+0xe2/0x170 [ 5029.432194][ T74] inet6_addr_add+0x12f/0xa40 [ 5029.432194][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5029.432194][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5029.432194][ T74] netlink_rcv_skb+0x130/0x360 [ 5029.432194][ T74] netlink_unicast+0x449/0x710 [ 5029.432194][ T74] netlink_sendmsg+0x723/0xbe0 [ 5029.432194][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5029.432194][ T74] ___sys_sendmsg+0xee/0x170 [ 5029.432194][ T74] __sys_sendmsg+0xcd/0x170 [ 5029.432194][ T74] do_syscall_64+0xc6/0x1e0 [ 5029.432194][ T74] [ 5029.434136][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5029.434136][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5029.434136][ T74] ipv6_find_idev+0x102/0x170 [ 5029.434136][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5029.434136][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5029.434136][ T74] netlink_rcv_skb+0x130/0x360 [ 5029.434136][ T74] netlink_unicast+0x449/0x710 [ 5029.434136][ T74] netlink_sendmsg+0x723/0xbe0 [ 5029.434136][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5029.434136][ T74] ___sys_sendmsg+0xee/0x170 [ 5029.434136][ T74] __sys_sendmsg+0xcd/0x170 [ 5029.434136][ T74] do_syscall_64+0xc6/0x1e0 [ 5029.434136][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5029.434136][ T74] [ 5029.435675][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5029.435675][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5029.435675][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5029.435675][ T74] ipv6_find_idev+0x102/0x170 [ 5029.435675][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5029.435675][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5029.435675][ T74] netlink_rcv_skb+0x130/0x360 [ 5029.435675][ T74] netlink_unicast+0x449/0x710 [ 5029.435675][ T74] netlink_sendmsg+0x723/0xbe0 [ 5029.435675][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5029.435675][ T74] ___sys_sendmsg+0xee/0x170 [ 5029.435675][ T74] __sys_sendmsg+0xcd/0x170 [ 5029.435675][ T74] do_syscall_64+0xc6/0x1e0 [ 5029.435675][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5029.435675][ T74] [ 5029.437360][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5029.437637][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5029.437637][ T74] dst_init+0x84/0x4a0 [ 5029.437637][ T74] dst_alloc+0x97/0x150 [ 5029.437637][ T74] ip6_dst_alloc+0x23/0x90 [ 5029.437637][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5029.437637][ T74] ip6_pol_route+0x56f/0x840 [ 5029.437637][ T74] fib6_rule_lookup+0x456/0x630 [ 5029.437637][ T74] ip6_route_input+0x59c/0xa50 [ 5029.437637][ T74] ipv6_rcv+0x397/0x810 [ 5029.437637][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5029.437637][ T74] process_backlog+0x101/0x620 [ 5029.437637][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5029.437637][ T74] net_rx_action+0x495/0xbe0 [ 5029.437637][ T74] __do_softirq+0x1b5/0x7f6 [ 5029.437637][ T74] [ 5029.439258][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5029.439258][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5029.439258][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5029.439258][ T74] fib6_nh_init+0xa22/0x1580 [ 5029.439258][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5029.439258][ T74] ip6_route_add+0x1c/0x140 [ 5029.439258][ T74] inet6_rtm_newroute+0x104/0x110 [ 5029.439258][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5029.439258][ T74] netlink_rcv_skb+0x130/0x360 [ 5029.439258][ T74] netlink_unicast+0x449/0x710 [ 5029.439258][ T74] netlink_sendmsg+0x723/0xbe0 [ 5029.439258][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5029.439258][ T74] ___sys_sendmsg+0xee/0x170 [ 5029.439258][ T74] __sys_sendmsg+0xcd/0x170 [ 5029.439258][ T74] do_syscall_64+0xc6/0x1e0 [ 5029.439258][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5029.439258][ T74] [ 5029.441119][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5029.441119][ T74] netdev_get_by_index+0x5e/0x80 [ 5029.441119][ T74] fib6_nh_init+0x3d8/0x1580 [ 5029.441119][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5029.441119][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5029.441119][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5029.441119][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5029.441119][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5029.441119][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5029.441119][ T74] addrconf_dad_begin+0x310/0x670 [ 5029.441119][ T74] addrconf_dad_work+0x10b/0xab0 [ 5029.441119][ T74] process_one_work+0x84d/0x18a0 [ 5029.441119][ T74] worker_thread+0x587/0xd30 [ 5029.441119][ T74] kthread+0x28a/0x350 [ 5029.441119][ T74] ret_from_fork+0x31/0x70 [ 5029.441119][ T74] ret_from_fork_asm+0x1a/0x30 [ 5029.441119][ T74] [ 5029.443014][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5029.443014][ T74] netdev_get_by_index+0x5e/0x80 [ 5029.443014][ T74] fib6_nh_init+0x3d8/0x1580 [ 5029.443014][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5029.443014][ T74] ip6_route_add+0x1c/0x140 [ 5029.443014][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5029.443014][ T74] inet6_addr_add+0x4f8/0xa40 [ 5029.443014][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5029.443014][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5029.443014][ T74] netlink_rcv_skb+0x130/0x360 [ 5029.443014][ T74] netlink_unicast+0x449/0x710 [ 5029.443014][ T74] netlink_sendmsg+0x723/0xbe0 [ 5029.443014][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5029.443014][ T74] ___sys_sendmsg+0xee/0x170 [ 5029.443014][ T74] __sys_sendmsg+0xcd/0x170 [ 5029.443014][ T74] do_syscall_64+0xc6/0x1e0 [ 5029.443014][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5029.443014][ T74] [ 5029.445009][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5029.445009][ T74] netdev_get_by_index+0x5e/0x80 [ 5029.445009][ T74] fib6_nh_init+0x3d8/0x1580 [ 5029.445009][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5029.445009][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5029.445009][ T74] ipv6_add_addr+0x411/0x2000 [ 5029.445009][ T74] inet6_addr_add+0x30e/0xa40 [ 5029.445009][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5029.445009][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5029.445009][ T74] netlink_rcv_skb+0x130/0x360 [ 5029.445009][ T74] netlink_unicast+0x449/0x710 [ 5029.445009][ T74] netlink_sendmsg+0x723/0xbe0 [ 5029.445009][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5029.445009][ T74] ___sys_sendmsg+0xee/0x170 [ 5029.445009][ T74] __sys_sendmsg+0xcd/0x170 [ 5029.445009][ T74] do_syscall_64+0xc6/0x1e0 [ 5029.445009][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5029.445009][ T74] [ 5029.446994][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5029.446994][ T74] netdev_get_by_index+0x5e/0x80 [ 5029.446994][ T74] fib6_nh_init+0x3d8/0x1580 [ 5029.446994][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5029.446994][ T74] ip6_route_add+0x1c/0x140 [ 5029.446994][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5029.446994][ T74] addrconf_add_dev+0xe2/0x170 [ 5029.446994][ T74] inet6_addr_add+0x12f/0xa40 [ 5029.446994][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5029.446994][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5029.446994][ T74] netlink_rcv_skb+0x130/0x360 [ 5029.446994][ T74] netlink_unicast+0x449/0x710 [ 5029.446994][ T74] netlink_sendmsg+0x723/0xbe0 [ 5029.446994][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5029.446994][ T74] ___sys_sendmsg+0xee/0x170 [ 5029.446994][ T74] __sys_sendmsg+0xcd/0x170 [ 5029.446994][ T74] do_syscall_64+0xc6/0x1e0 [ 5029.446994][ T74] [ 5029.448944][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5029.448944][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5029.448944][ T74] ipv6_find_idev+0x102/0x170 [ 5029.448944][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5029.448944][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5029.448944][ T74] netlink_rcv_skb+0x130/0x360 [ 5029.448944][ T74] netlink_unicast+0x449/0x710 [ 5029.448944][ T74] netlink_sendmsg+0x723/0xbe0 [ 5029.448944][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5029.448944][ T74] ___sys_sendmsg+0xee/0x170 [ 5029.448944][ T74] __sys_sendmsg+0xcd/0x170 [ 5029.448944][ T74] do_syscall_64+0xc6/0x1e0 [ 5029.448944][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5029.448944][ T74] [ 5029.450661][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5029.450661][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5029.450661][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5029.450661][ T74] ipv6_find_idev+0x102/0x170 [ 5029.450661][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5029.450661][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5029.450661][ T74] netlink_rcv_skb+0x130/0x360 [ 5029.450661][ T74] netlink_unicast+0x449/0x710 [ 5029.450661][ T74] netlink_sendmsg+0x723/0xbe0 [ 5029.450661][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5029.450661][ T74] ___sys_sendmsg+0xee/0x170 [ 5029.450661][ T74] __sys_sendmsg+0xcd/0x170 [ 5029.450661][ T74] do_syscall_64+0xc6/0x1e0 [ 5029.450661][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5029.450661][ T74] [ 5029.452520][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5029.452761][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5029.452761][ T74] netdev_get_by_index+0x5e/0x80 [ 5029.452761][ T74] fib6_nh_init+0x3d8/0x1580 [ 5029.452761][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5029.452761][ T74] ip6_route_add+0x1c/0x140 [ 5029.452761][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5029.452761][ T74] inet6_addr_add+0x4f8/0xa40 [ 5029.452761][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5029.452761][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5029.452761][ T74] netlink_rcv_skb+0x130/0x360 [ 5029.452761][ T74] netlink_unicast+0x449/0x710 [ 5029.452761][ T74] netlink_sendmsg+0x723/0xbe0 [ 5029.452761][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5029.452761][ T74] ___sys_sendmsg+0xee/0x170 [ 5029.452761][ T74] __sys_sendmsg+0xcd/0x170 [ 5029.452761][ T74] do_syscall_64+0xc6/0x1e0 [ 5029.452761][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5029.452761][ T74] [ 5029.454995][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5029.454995][ T74] netdev_get_by_index+0x5e/0x80 [ 5029.454995][ T74] fib6_nh_init+0x3d8/0x1580 [ 5029.454995][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5029.454995][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5029.454995][ T74] ipv6_add_addr+0x411/0x2000 [ 5029.454995][ T74] inet6_addr_add+0x30e/0xa40 [ 5029.454995][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5029.454995][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5029.454995][ T74] netlink_rcv_skb+0x130/0x360 [ 5029.454995][ T74] netlink_unicast+0x449/0x710 [ 5029.454995][ T74] netlink_sendmsg+0x723/0xbe0 [ 5029.454995][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5029.454995][ T74] ___sys_sendmsg+0xee/0x170 [ 5029.454995][ T74] __sys_sendmsg+0xcd/0x170 [ 5029.454995][ T74] do_syscall_64+0xc6/0x1e0 [ 5029.454995][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5029.454995][ T74] [ 5029.457279][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5029.457279][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5029.457279][ T74] ipv6_find_idev+0x102/0x170 [ 5029.457279][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5029.457279][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5029.457279][ T74] netlink_rcv_skb+0x130/0x360 [ 5029.457279][ T74] netlink_unicast+0x449/0x710 [ 5029.457279][ T74] netlink_sendmsg+0x723/0xbe0 [ 5029.457279][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5029.457279][ T74] ___sys_sendmsg+0xee/0x170 [ 5029.457279][ T74] __sys_sendmsg+0xcd/0x170 [ 5029.457279][ T74] do_syscall_64+0xc6/0x1e0 [ 5029.457279][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5029.457279][ T74] [ 5029.458992][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5029.458992][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5029.458992][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5029.458992][ T74] ipv6_find_idev+0x102/0x170 [ 5029.458992][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5029.458992][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5029.458992][ T74] netlink_rcv_skb+0x130/0x360 [ 5029.458992][ T74] netlink_unicast+0x449/0x710 [ 5029.458992][ T74] netlink_sendmsg+0x723/0xbe0 [ 5029.458992][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5029.458992][ T74] ___sys_sendmsg+0xee/0x170 [ 5029.458992][ T74] __sys_sendmsg+0xcd/0x170 [ 5029.458992][ T74] do_syscall_64+0xc6/0x1e0 [ 5029.458992][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5029.458992][ T74] [ 5039.679977][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5039.680420][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5039.680420][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5039.680420][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5039.680420][ T74] fib6_nh_init+0xa22/0x1580 [ 5039.680420][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5039.680420][ T74] ip6_route_add+0x1c/0x140 [ 5039.680420][ T74] inet6_rtm_newroute+0x104/0x110 [ 5039.680420][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5039.680420][ T74] netlink_rcv_skb+0x130/0x360 [ 5039.680420][ T74] netlink_unicast+0x449/0x710 [ 5039.680420][ T74] netlink_sendmsg+0x723/0xbe0 [ 5039.680420][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5039.680420][ T74] ___sys_sendmsg+0xee/0x170 [ 5039.680420][ T74] __sys_sendmsg+0xcd/0x170 [ 5039.680420][ T74] do_syscall_64+0xc6/0x1e0 [ 5039.680420][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5039.680420][ T74] [ 5039.682308][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5039.682308][ T74] netdev_get_by_index+0x5e/0x80 [ 5039.682308][ T74] fib6_nh_init+0x3d8/0x1580 [ 5039.682308][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5039.682308][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5039.682308][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5039.682308][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5039.682308][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5039.682308][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5039.682308][ T74] addrconf_dad_begin+0x310/0x670 [ 5039.682308][ T74] addrconf_dad_work+0x10b/0xab0 [ 5039.682308][ T74] process_one_work+0x84d/0x18a0 [ 5039.682308][ T74] worker_thread+0x587/0xd30 [ 5039.682308][ T74] kthread+0x28a/0x350 [ 5039.682308][ T74] ret_from_fork+0x31/0x70 [ 5039.682308][ T74] ret_from_fork_asm+0x1a/0x30 [ 5039.682308][ T74] [ 5039.684206][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5039.684206][ T74] netdev_get_by_index+0x5e/0x80 [ 5039.684206][ T74] fib6_nh_init+0x3d8/0x1580 [ 5039.684206][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5039.684206][ T74] ip6_route_add+0x1c/0x140 [ 5039.684206][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5039.684206][ T74] inet6_addr_add+0x4f8/0xa40 [ 5039.684206][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5039.684206][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5039.684206][ T74] netlink_rcv_skb+0x130/0x360 [ 5039.684206][ T74] netlink_unicast+0x449/0x710 [ 5039.684206][ T74] netlink_sendmsg+0x723/0xbe0 [ 5039.684206][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5039.684206][ T74] ___sys_sendmsg+0xee/0x170 [ 5039.684206][ T74] __sys_sendmsg+0xcd/0x170 [ 5039.684206][ T74] do_syscall_64+0xc6/0x1e0 [ 5039.684206][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5039.684206][ T74] [ 5039.686193][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5039.686193][ T74] netdev_get_by_index+0x5e/0x80 [ 5039.686193][ T74] fib6_nh_init+0x3d8/0x1580 [ 5039.686193][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5039.686193][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5039.686193][ T74] ipv6_add_addr+0x411/0x2000 [ 5039.686193][ T74] inet6_addr_add+0x30e/0xa40 [ 5039.686193][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5039.686193][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5039.686193][ T74] netlink_rcv_skb+0x130/0x360 [ 5039.686193][ T74] netlink_unicast+0x449/0x710 [ 5039.686193][ T74] netlink_sendmsg+0x723/0xbe0 [ 5039.686193][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5039.686193][ T74] ___sys_sendmsg+0xee/0x170 [ 5039.686193][ T74] __sys_sendmsg+0xcd/0x170 [ 5039.686193][ T74] do_syscall_64+0xc6/0x1e0 [ 5039.686193][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5039.686193][ T74] [ 5039.688178][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5039.688178][ T74] netdev_get_by_index+0x5e/0x80 [ 5039.688178][ T74] fib6_nh_init+0x3d8/0x1580 [ 5039.688178][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5039.688178][ T74] ip6_route_add+0x1c/0x140 [ 5039.688178][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5039.688178][ T74] addrconf_add_dev+0xe2/0x170 [ 5039.688178][ T74] inet6_addr_add+0x12f/0xa40 [ 5039.688178][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5039.688178][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5039.688178][ T74] netlink_rcv_skb+0x130/0x360 [ 5039.688178][ T74] netlink_unicast+0x449/0x710 [ 5039.688178][ T74] netlink_sendmsg+0x723/0xbe0 [ 5039.688178][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5039.688178][ T74] ___sys_sendmsg+0xee/0x170 [ 5039.688178][ T74] __sys_sendmsg+0xcd/0x170 [ 5039.688178][ T74] do_syscall_64+0xc6/0x1e0 [ 5039.688178][ T74] [ 5039.690116][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5039.690116][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5039.690116][ T74] ipv6_find_idev+0x102/0x170 [ 5039.690116][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5039.690116][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5039.690116][ T74] netlink_rcv_skb+0x130/0x360 [ 5039.690116][ T74] netlink_unicast+0x449/0x710 [ 5039.690116][ T74] netlink_sendmsg+0x723/0xbe0 [ 5039.690116][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5039.690116][ T74] ___sys_sendmsg+0xee/0x170 [ 5039.690116][ T74] __sys_sendmsg+0xcd/0x170 [ 5039.690116][ T74] do_syscall_64+0xc6/0x1e0 [ 5039.690116][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5039.690116][ T74] [ 5039.691633][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5039.691633][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5039.691633][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5039.691633][ T74] ipv6_find_idev+0x102/0x170 [ 5039.691633][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5039.691633][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5039.691633][ T74] netlink_rcv_skb+0x130/0x360 [ 5039.691633][ T74] netlink_unicast+0x449/0x710 [ 5039.691633][ T74] netlink_sendmsg+0x723/0xbe0 [ 5039.691633][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5039.691633][ T74] ___sys_sendmsg+0xee/0x170 [ 5039.691633][ T74] __sys_sendmsg+0xcd/0x170 [ 5039.691633][ T74] do_syscall_64+0xc6/0x1e0 [ 5039.691633][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5039.691633][ T74] [ 5039.693314][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5039.693601][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5039.693601][ T74] dst_init+0x84/0x4a0 [ 5039.693601][ T74] dst_alloc+0x97/0x150 [ 5039.693601][ T74] ip6_dst_alloc+0x23/0x90 [ 5039.693601][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5039.693601][ T74] ip6_pol_route+0x56f/0x840 [ 5039.693601][ T74] fib6_rule_lookup+0x456/0x630 [ 5039.693601][ T74] ip6_route_input+0x59c/0xa50 [ 5039.693601][ T74] ipv6_rcv+0x397/0x810 [ 5039.693601][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5039.693601][ T74] process_backlog+0x101/0x620 [ 5039.693601][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5039.693601][ T74] net_rx_action+0x495/0xbe0 [ 5039.693601][ T74] __do_softirq+0x1b5/0x7f6 [ 5039.693601][ T74] [ 5039.695220][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5039.695220][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5039.695220][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5039.695220][ T74] fib6_nh_init+0xa22/0x1580 [ 5039.695220][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5039.695220][ T74] ip6_route_add+0x1c/0x140 [ 5039.695220][ T74] inet6_rtm_newroute+0x104/0x110 [ 5039.695220][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5039.695220][ T74] netlink_rcv_skb+0x130/0x360 [ 5039.695220][ T74] netlink_unicast+0x449/0x710 [ 5039.695220][ T74] netlink_sendmsg+0x723/0xbe0 [ 5039.695220][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5039.695220][ T74] ___sys_sendmsg+0xee/0x170 [ 5039.695220][ T74] __sys_sendmsg+0xcd/0x170 [ 5039.695220][ T74] do_syscall_64+0xc6/0x1e0 [ 5039.695220][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5039.695220][ T74] [ 5039.697075][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5039.697075][ T74] netdev_get_by_index+0x5e/0x80 [ 5039.697075][ T74] fib6_nh_init+0x3d8/0x1580 [ 5039.697075][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5039.697075][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5039.697075][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5039.697075][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5039.697075][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5039.697075][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5039.697075][ T74] addrconf_dad_begin+0x310/0x670 [ 5039.697075][ T74] addrconf_dad_work+0x10b/0xab0 [ 5039.697075][ T74] process_one_work+0x84d/0x18a0 [ 5039.697075][ T74] worker_thread+0x587/0xd30 [ 5039.697075][ T74] kthread+0x28a/0x350 [ 5039.697075][ T74] ret_from_fork+0x31/0x70 [ 5039.697075][ T74] ret_from_fork_asm+0x1a/0x30 [ 5039.697075][ T74] [ 5039.698963][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5039.698963][ T74] netdev_get_by_index+0x5e/0x80 [ 5039.698963][ T74] fib6_nh_init+0x3d8/0x1580 [ 5039.698963][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5039.698963][ T74] ip6_route_add+0x1c/0x140 [ 5039.698963][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5039.698963][ T74] inet6_addr_add+0x4f8/0xa40 [ 5039.698963][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5039.698963][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5039.698963][ T74] netlink_rcv_skb+0x130/0x360 [ 5039.698963][ T74] netlink_unicast+0x449/0x710 [ 5039.698963][ T74] netlink_sendmsg+0x723/0xbe0 [ 5039.698963][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5039.698963][ T74] ___sys_sendmsg+0xee/0x170 [ 5039.698963][ T74] __sys_sendmsg+0xcd/0x170 [ 5039.698963][ T74] do_syscall_64+0xc6/0x1e0 [ 5039.698963][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5039.698963][ T74] [ 5039.700936][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5039.700936][ T74] netdev_get_by_index+0x5e/0x80 [ 5039.700936][ T74] fib6_nh_init+0x3d8/0x1580 [ 5039.700936][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5039.700936][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5039.700936][ T74] ipv6_add_addr+0x411/0x2000 [ 5039.700936][ T74] inet6_addr_add+0x30e/0xa40 [ 5039.700936][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5039.700936][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5039.700936][ T74] netlink_rcv_skb+0x130/0x360 [ 5039.700936][ T74] netlink_unicast+0x449/0x710 [ 5039.700936][ T74] netlink_sendmsg+0x723/0xbe0 [ 5039.700936][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5039.700936][ T74] ___sys_sendmsg+0xee/0x170 [ 5039.700936][ T74] __sys_sendmsg+0xcd/0x170 [ 5039.700936][ T74] do_syscall_64+0xc6/0x1e0 [ 5039.700936][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5039.700936][ T74] [ 5039.702912][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5039.702912][ T74] netdev_get_by_index+0x5e/0x80 [ 5039.702912][ T74] fib6_nh_init+0x3d8/0x1580 [ 5039.702912][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5039.702912][ T74] ip6_route_add+0x1c/0x140 [ 5039.702912][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5039.702912][ T74] addrconf_add_dev+0xe2/0x170 [ 5039.702912][ T74] inet6_addr_add+0x12f/0xa40 [ 5039.702912][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5039.702912][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5039.702912][ T74] netlink_rcv_skb+0x130/0x360 [ 5039.702912][ T74] netlink_unicast+0x449/0x710 [ 5039.702912][ T74] netlink_sendmsg+0x723/0xbe0 [ 5039.702912][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5039.702912][ T74] ___sys_sendmsg+0xee/0x170 [ 5039.702912][ T74] __sys_sendmsg+0xcd/0x170 [ 5039.702912][ T74] do_syscall_64+0xc6/0x1e0 [ 5039.702912][ T74] [ 5039.704858][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5039.704858][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5039.704858][ T74] ipv6_find_idev+0x102/0x170 [ 5039.704858][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5039.704858][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5039.704858][ T74] netlink_rcv_skb+0x130/0x360 [ 5039.704858][ T74] netlink_unicast+0x449/0x710 [ 5039.704858][ T74] netlink_sendmsg+0x723/0xbe0 [ 5039.704858][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5039.704858][ T74] ___sys_sendmsg+0xee/0x170 [ 5039.704858][ T74] __sys_sendmsg+0xcd/0x170 [ 5039.704858][ T74] do_syscall_64+0xc6/0x1e0 [ 5039.704858][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5039.704858][ T74] [ 5039.706536][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5039.706536][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5039.706536][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5039.706536][ T74] ipv6_find_idev+0x102/0x170 [ 5039.706536][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5039.706536][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5039.706536][ T74] netlink_rcv_skb+0x130/0x360 [ 5039.706536][ T74] netlink_unicast+0x449/0x710 [ 5039.706536][ T74] netlink_sendmsg+0x723/0xbe0 [ 5039.706536][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5039.706536][ T74] ___sys_sendmsg+0xee/0x170 [ 5039.706536][ T74] __sys_sendmsg+0xcd/0x170 [ 5039.706536][ T74] do_syscall_64+0xc6/0x1e0 [ 5039.706536][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5039.706536][ T74] [ 5039.708435][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5039.708671][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5039.708671][ T74] netdev_get_by_index+0x5e/0x80 [ 5039.708671][ T74] fib6_nh_init+0x3d8/0x1580 [ 5039.708671][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5039.708671][ T74] ip6_route_add+0x1c/0x140 [ 5039.708671][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5039.708671][ T74] inet6_addr_add+0x4f8/0xa40 [ 5039.708671][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5039.708671][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5039.708671][ T74] netlink_rcv_skb+0x130/0x360 [ 5039.708671][ T74] netlink_unicast+0x449/0x710 [ 5039.708671][ T74] netlink_sendmsg+0x723/0xbe0 [ 5039.708671][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5039.708671][ T74] ___sys_sendmsg+0xee/0x170 [ 5039.708671][ T74] __sys_sendmsg+0xcd/0x170 [ 5039.708671][ T74] do_syscall_64+0xc6/0x1e0 [ 5039.708671][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5039.708671][ T74] [ 5039.710895][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5039.710895][ T74] netdev_get_by_index+0x5e/0x80 [ 5039.710895][ T74] fib6_nh_init+0x3d8/0x1580 [ 5039.710895][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5039.710895][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5039.710895][ T74] ipv6_add_addr+0x411/0x2000 [ 5039.710895][ T74] inet6_addr_add+0x30e/0xa40 [ 5039.710895][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5039.710895][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5039.710895][ T74] netlink_rcv_skb+0x130/0x360 [ 5039.710895][ T74] netlink_unicast+0x449/0x710 [ 5039.710895][ T74] netlink_sendmsg+0x723/0xbe0 [ 5039.710895][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5039.710895][ T74] ___sys_sendmsg+0xee/0x170 [ 5039.710895][ T74] __sys_sendmsg+0xcd/0x170 [ 5039.710895][ T74] do_syscall_64+0xc6/0x1e0 [ 5039.710895][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5039.710895][ T74] [ 5039.713110][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5039.713110][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5039.713110][ T74] ipv6_find_idev+0x102/0x170 [ 5039.713110][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5039.713110][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5039.713110][ T74] netlink_rcv_skb+0x130/0x360 [ 5039.713110][ T74] netlink_unicast+0x449/0x710 [ 5039.713110][ T74] netlink_sendmsg+0x723/0xbe0 [ 5039.713110][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5039.713110][ T74] ___sys_sendmsg+0xee/0x170 [ 5039.713110][ T74] __sys_sendmsg+0xcd/0x170 [ 5039.713110][ T74] do_syscall_64+0xc6/0x1e0 [ 5039.713110][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5039.713110][ T74] [ 5039.714692][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5039.714692][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5039.714692][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5039.714692][ T74] ipv6_find_idev+0x102/0x170 [ 5039.714692][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5039.714692][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5039.714692][ T74] netlink_rcv_skb+0x130/0x360 [ 5039.714692][ T74] netlink_unicast+0x449/0x710 [ 5039.714692][ T74] netlink_sendmsg+0x723/0xbe0 [ 5039.714692][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5039.714692][ T74] ___sys_sendmsg+0xee/0x170 [ 5039.714692][ T74] __sys_sendmsg+0xcd/0x170 [ 5039.714692][ T74] do_syscall_64+0xc6/0x1e0 [ 5039.714692][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5039.714692][ T74] [ 5049.727960][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5049.728321][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5049.728321][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5049.728321][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5049.728321][ T74] fib6_nh_init+0xa22/0x1580 [ 5049.728321][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5049.728321][ T74] ip6_route_add+0x1c/0x140 [ 5049.728321][ T74] inet6_rtm_newroute+0x104/0x110 [ 5049.728321][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5049.728321][ T74] netlink_rcv_skb+0x130/0x360 [ 5049.728321][ T74] netlink_unicast+0x449/0x710 [ 5049.728321][ T74] netlink_sendmsg+0x723/0xbe0 [ 5049.728321][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5049.728321][ T74] ___sys_sendmsg+0xee/0x170 [ 5049.728321][ T74] __sys_sendmsg+0xcd/0x170 [ 5049.728321][ T74] do_syscall_64+0xc6/0x1e0 [ 5049.728321][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5049.728321][ T74] [ 5049.730195][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5049.730195][ T74] netdev_get_by_index+0x5e/0x80 [ 5049.730195][ T74] fib6_nh_init+0x3d8/0x1580 [ 5049.730195][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5049.730195][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5049.730195][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5049.730195][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5049.730195][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5049.730195][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5049.730195][ T74] addrconf_dad_begin+0x310/0x670 [ 5049.730195][ T74] addrconf_dad_work+0x10b/0xab0 [ 5049.730195][ T74] process_one_work+0x84d/0x18a0 [ 5049.730195][ T74] worker_thread+0x587/0xd30 [ 5049.730195][ T74] kthread+0x28a/0x350 [ 5049.730195][ T74] ret_from_fork+0x31/0x70 [ 5049.730195][ T74] ret_from_fork_asm+0x1a/0x30 [ 5049.730195][ T74] [ 5049.732088][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5049.732088][ T74] netdev_get_by_index+0x5e/0x80 [ 5049.732088][ T74] fib6_nh_init+0x3d8/0x1580 [ 5049.732088][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5049.732088][ T74] ip6_route_add+0x1c/0x140 [ 5049.732088][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5049.732088][ T74] inet6_addr_add+0x4f8/0xa40 [ 5049.732088][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5049.732088][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5049.732088][ T74] netlink_rcv_skb+0x130/0x360 [ 5049.732088][ T74] netlink_unicast+0x449/0x710 [ 5049.732088][ T74] netlink_sendmsg+0x723/0xbe0 [ 5049.732088][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5049.732088][ T74] ___sys_sendmsg+0xee/0x170 [ 5049.732088][ T74] __sys_sendmsg+0xcd/0x170 [ 5049.732088][ T74] do_syscall_64+0xc6/0x1e0 [ 5049.732088][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5049.732088][ T74] [ 5049.734070][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5049.734070][ T74] netdev_get_by_index+0x5e/0x80 [ 5049.734070][ T74] fib6_nh_init+0x3d8/0x1580 [ 5049.734070][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5049.734070][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5049.734070][ T74] ipv6_add_addr+0x411/0x2000 [ 5049.734070][ T74] inet6_addr_add+0x30e/0xa40 [ 5049.734070][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5049.734070][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5049.734070][ T74] netlink_rcv_skb+0x130/0x360 [ 5049.734070][ T74] netlink_unicast+0x449/0x710 [ 5049.734070][ T74] netlink_sendmsg+0x723/0xbe0 [ 5049.734070][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5049.734070][ T74] ___sys_sendmsg+0xee/0x170 [ 5049.734070][ T74] __sys_sendmsg+0xcd/0x170 [ 5049.734070][ T74] do_syscall_64+0xc6/0x1e0 [ 5049.734070][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5049.734070][ T74] [ 5049.736067][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5049.736067][ T74] netdev_get_by_index+0x5e/0x80 [ 5049.736067][ T74] fib6_nh_init+0x3d8/0x1580 [ 5049.736067][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5049.736067][ T74] ip6_route_add+0x1c/0x140 [ 5049.736067][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5049.736067][ T74] addrconf_add_dev+0xe2/0x170 [ 5049.736067][ T74] inet6_addr_add+0x12f/0xa40 [ 5049.736067][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5049.736067][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5049.736067][ T74] netlink_rcv_skb+0x130/0x360 [ 5049.736067][ T74] netlink_unicast+0x449/0x710 [ 5049.736067][ T74] netlink_sendmsg+0x723/0xbe0 [ 5049.736067][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5049.736067][ T74] ___sys_sendmsg+0xee/0x170 [ 5049.736067][ T74] __sys_sendmsg+0xcd/0x170 [ 5049.736067][ T74] do_syscall_64+0xc6/0x1e0 [ 5049.736067][ T74] [ 5049.738012][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5049.738012][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5049.738012][ T74] ipv6_find_idev+0x102/0x170 [ 5049.738012][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5049.738012][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5049.738012][ T74] netlink_rcv_skb+0x130/0x360 [ 5049.738012][ T74] netlink_unicast+0x449/0x710 [ 5049.738012][ T74] netlink_sendmsg+0x723/0xbe0 [ 5049.738012][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5049.738012][ T74] ___sys_sendmsg+0xee/0x170 [ 5049.738012][ T74] __sys_sendmsg+0xcd/0x170 [ 5049.738012][ T74] do_syscall_64+0xc6/0x1e0 [ 5049.738012][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5049.738012][ T74] [ 5049.739537][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5049.739537][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5049.739537][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5049.739537][ T74] ipv6_find_idev+0x102/0x170 [ 5049.739537][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5049.739537][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5049.739537][ T74] netlink_rcv_skb+0x130/0x360 [ 5049.739537][ T74] netlink_unicast+0x449/0x710 [ 5049.739537][ T74] netlink_sendmsg+0x723/0xbe0 [ 5049.739537][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5049.739537][ T74] ___sys_sendmsg+0xee/0x170 [ 5049.739537][ T74] __sys_sendmsg+0xcd/0x170 [ 5049.739537][ T74] do_syscall_64+0xc6/0x1e0 [ 5049.739537][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5049.739537][ T74] [ 5049.741219][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5049.741495][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5049.741495][ T74] dst_init+0x84/0x4a0 [ 5049.741495][ T74] dst_alloc+0x97/0x150 [ 5049.741495][ T74] ip6_dst_alloc+0x23/0x90 [ 5049.741495][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5049.741495][ T74] ip6_pol_route+0x56f/0x840 [ 5049.741495][ T74] fib6_rule_lookup+0x456/0x630 [ 5049.741495][ T74] ip6_route_input+0x59c/0xa50 [ 5049.741495][ T74] ipv6_rcv+0x397/0x810 [ 5049.741495][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5049.741495][ T74] process_backlog+0x101/0x620 [ 5049.741495][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5049.741495][ T74] net_rx_action+0x495/0xbe0 [ 5049.741495][ T74] __do_softirq+0x1b5/0x7f6 [ 5049.741495][ T74] [ 5049.743115][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5049.743115][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5049.743115][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5049.743115][ T74] fib6_nh_init+0xa22/0x1580 [ 5049.743115][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5049.743115][ T74] ip6_route_add+0x1c/0x140 [ 5049.743115][ T74] inet6_rtm_newroute+0x104/0x110 [ 5049.743115][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5049.743115][ T74] netlink_rcv_skb+0x130/0x360 [ 5049.743115][ T74] netlink_unicast+0x449/0x710 [ 5049.743115][ T74] netlink_sendmsg+0x723/0xbe0 [ 5049.743115][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5049.743115][ T74] ___sys_sendmsg+0xee/0x170 [ 5049.743115][ T74] __sys_sendmsg+0xcd/0x170 [ 5049.743115][ T74] do_syscall_64+0xc6/0x1e0 [ 5049.743115][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5049.743115][ T74] [ 5049.744990][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5049.744990][ T74] netdev_get_by_index+0x5e/0x80 [ 5049.744990][ T74] fib6_nh_init+0x3d8/0x1580 [ 5049.744990][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5049.744990][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5049.744990][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5049.744990][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5049.744990][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5049.744990][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5049.744990][ T74] addrconf_dad_begin+0x310/0x670 [ 5049.744990][ T74] addrconf_dad_work+0x10b/0xab0 [ 5049.744990][ T74] process_one_work+0x84d/0x18a0 [ 5049.744990][ T74] worker_thread+0x587/0xd30 [ 5049.744990][ T74] kthread+0x28a/0x350 [ 5049.744990][ T74] ret_from_fork+0x31/0x70 [ 5049.744990][ T74] ret_from_fork_asm+0x1a/0x30 [ 5049.744990][ T74] [ 5049.746880][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5049.746880][ T74] netdev_get_by_index+0x5e/0x80 [ 5049.746880][ T74] fib6_nh_init+0x3d8/0x1580 [ 5049.746880][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5049.746880][ T74] ip6_route_add+0x1c/0x140 [ 5049.746880][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5049.746880][ T74] inet6_addr_add+0x4f8/0xa40 [ 5049.746880][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5049.746880][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5049.746880][ T74] netlink_rcv_skb+0x130/0x360 [ 5049.746880][ T74] netlink_unicast+0x449/0x710 [ 5049.746880][ T74] netlink_sendmsg+0x723/0xbe0 [ 5049.746880][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5049.746880][ T74] ___sys_sendmsg+0xee/0x170 [ 5049.746880][ T74] __sys_sendmsg+0xcd/0x170 [ 5049.746880][ T74] do_syscall_64+0xc6/0x1e0 [ 5049.746880][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5049.746880][ T74] [ 5049.748859][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5049.748859][ T74] netdev_get_by_index+0x5e/0x80 [ 5049.748859][ T74] fib6_nh_init+0x3d8/0x1580 [ 5049.748859][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5049.748859][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5049.748859][ T74] ipv6_add_addr+0x411/0x2000 [ 5049.748859][ T74] inet6_addr_add+0x30e/0xa40 [ 5049.748859][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5049.748859][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5049.748859][ T74] netlink_rcv_skb+0x130/0x360 [ 5049.748859][ T74] netlink_unicast+0x449/0x710 [ 5049.748859][ T74] netlink_sendmsg+0x723/0xbe0 [ 5049.748859][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5049.748859][ T74] ___sys_sendmsg+0xee/0x170 [ 5049.748859][ T74] __sys_sendmsg+0xcd/0x170 [ 5049.748859][ T74] do_syscall_64+0xc6/0x1e0 [ 5049.748859][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5049.748859][ T74] [ 5049.750833][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5049.750833][ T74] netdev_get_by_index+0x5e/0x80 [ 5049.750833][ T74] fib6_nh_init+0x3d8/0x1580 [ 5049.750833][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5049.750833][ T74] ip6_route_add+0x1c/0x140 [ 5049.750833][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5049.750833][ T74] addrconf_add_dev+0xe2/0x170 [ 5049.750833][ T74] inet6_addr_add+0x12f/0xa40 [ 5049.750833][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5049.750833][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5049.750833][ T74] netlink_rcv_skb+0x130/0x360 [ 5049.750833][ T74] netlink_unicast+0x449/0x710 [ 5049.750833][ T74] netlink_sendmsg+0x723/0xbe0 [ 5049.750833][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5049.750833][ T74] ___sys_sendmsg+0xee/0x170 [ 5049.750833][ T74] __sys_sendmsg+0xcd/0x170 [ 5049.750833][ T74] do_syscall_64+0xc6/0x1e0 [ 5049.750833][ T74] [ 5049.752770][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5049.752770][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5049.752770][ T74] ipv6_find_idev+0x102/0x170 [ 5049.752770][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5049.752770][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5049.752770][ T74] netlink_rcv_skb+0x130/0x360 [ 5049.752770][ T74] netlink_unicast+0x449/0x710 [ 5049.752770][ T74] netlink_sendmsg+0x723/0xbe0 [ 5049.752770][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5049.752770][ T74] ___sys_sendmsg+0xee/0x170 [ 5049.752770][ T74] __sys_sendmsg+0xcd/0x170 [ 5049.752770][ T74] do_syscall_64+0xc6/0x1e0 [ 5049.752770][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5049.752770][ T74] [ 5049.754413][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5049.754413][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5049.754413][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5049.754413][ T74] ipv6_find_idev+0x102/0x170 [ 5049.754413][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5049.754413][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5049.754413][ T74] netlink_rcv_skb+0x130/0x360 [ 5049.754413][ T74] netlink_unicast+0x449/0x710 [ 5049.754413][ T74] netlink_sendmsg+0x723/0xbe0 [ 5049.754413][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5049.754413][ T74] ___sys_sendmsg+0xee/0x170 [ 5049.754413][ T74] __sys_sendmsg+0xcd/0x170 [ 5049.754413][ T74] do_syscall_64+0xc6/0x1e0 [ 5049.754413][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5049.754413][ T74] [ 5049.756371][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5049.756603][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5049.756603][ T74] netdev_get_by_index+0x5e/0x80 [ 5049.756603][ T74] fib6_nh_init+0x3d8/0x1580 [ 5049.756603][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5049.756603][ T74] ip6_route_add+0x1c/0x140 [ 5049.756603][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5049.756603][ T74] inet6_addr_add+0x4f8/0xa40 [ 5049.756603][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5049.756603][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5049.756603][ T74] netlink_rcv_skb+0x130/0x360 [ 5049.756603][ T74] netlink_unicast+0x449/0x710 [ 5049.756603][ T74] netlink_sendmsg+0x723/0xbe0 [ 5049.756603][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5049.756603][ T74] ___sys_sendmsg+0xee/0x170 [ 5049.756603][ T74] __sys_sendmsg+0xcd/0x170 [ 5049.756603][ T74] do_syscall_64+0xc6/0x1e0 [ 5049.756603][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5049.756603][ T74] [ 5049.758831][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5049.758831][ T74] netdev_get_by_index+0x5e/0x80 [ 5049.758831][ T74] fib6_nh_init+0x3d8/0x1580 [ 5049.758831][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5049.758831][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5049.758831][ T74] ipv6_add_addr+0x411/0x2000 [ 5049.758831][ T74] inet6_addr_add+0x30e/0xa40 [ 5049.758831][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5049.758831][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5049.758831][ T74] netlink_rcv_skb+0x130/0x360 [ 5049.758831][ T74] netlink_unicast+0x449/0x710 [ 5049.758831][ T74] netlink_sendmsg+0x723/0xbe0 [ 5049.758831][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5049.758831][ T74] ___sys_sendmsg+0xee/0x170 [ 5049.758831][ T74] __sys_sendmsg+0xcd/0x170 [ 5049.758831][ T74] do_syscall_64+0xc6/0x1e0 [ 5049.758831][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5049.758831][ T74] [ 5049.761032][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5049.761032][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5049.761032][ T74] ipv6_find_idev+0x102/0x170 [ 5049.761032][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5049.761032][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5049.761032][ T74] netlink_rcv_skb+0x130/0x360 [ 5049.761032][ T74] netlink_unicast+0x449/0x710 [ 5049.761032][ T74] netlink_sendmsg+0x723/0xbe0 [ 5049.761032][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5049.761032][ T74] ___sys_sendmsg+0xee/0x170 [ 5049.761032][ T74] __sys_sendmsg+0xcd/0x170 [ 5049.761032][ T74] do_syscall_64+0xc6/0x1e0 [ 5049.761032][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5049.761032][ T74] [ 5049.762666][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5049.762666][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5049.762666][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5049.762666][ T74] ipv6_find_idev+0x102/0x170 [ 5049.762666][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5049.762666][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5049.762666][ T74] netlink_rcv_skb+0x130/0x360 [ 5049.762666][ T74] netlink_unicast+0x449/0x710 [ 5049.762666][ T74] netlink_sendmsg+0x723/0xbe0 [ 5049.762666][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5049.762666][ T74] ___sys_sendmsg+0xee/0x170 [ 5049.762666][ T74] __sys_sendmsg+0xcd/0x170 [ 5049.762666][ T74] do_syscall_64+0xc6/0x1e0 [ 5049.762666][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5049.762666][ T74] [ 5059.840032][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5059.840471][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5059.840471][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5059.840471][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5059.840471][ T74] fib6_nh_init+0xa22/0x1580 [ 5059.840471][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5059.840471][ T74] ip6_route_add+0x1c/0x140 [ 5059.840471][ T74] inet6_rtm_newroute+0x104/0x110 [ 5059.840471][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5059.840471][ T74] netlink_rcv_skb+0x130/0x360 [ 5059.840471][ T74] netlink_unicast+0x449/0x710 [ 5059.840471][ T74] netlink_sendmsg+0x723/0xbe0 [ 5059.840471][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5059.840471][ T74] ___sys_sendmsg+0xee/0x170 [ 5059.840471][ T74] __sys_sendmsg+0xcd/0x170 [ 5059.840471][ T74] do_syscall_64+0xc6/0x1e0 [ 5059.840471][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5059.840471][ T74] [ 5059.842349][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5059.842349][ T74] netdev_get_by_index+0x5e/0x80 [ 5059.842349][ T74] fib6_nh_init+0x3d8/0x1580 [ 5059.842349][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5059.842349][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5059.842349][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5059.842349][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5059.842349][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5059.842349][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5059.842349][ T74] addrconf_dad_begin+0x310/0x670 [ 5059.842349][ T74] addrconf_dad_work+0x10b/0xab0 [ 5059.842349][ T74] process_one_work+0x84d/0x18a0 [ 5059.842349][ T74] worker_thread+0x587/0xd30 [ 5059.842349][ T74] kthread+0x28a/0x350 [ 5059.842349][ T74] ret_from_fork+0x31/0x70 [ 5059.842349][ T74] ret_from_fork_asm+0x1a/0x30 [ 5059.842349][ T74] [ 5059.844257][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5059.844257][ T74] netdev_get_by_index+0x5e/0x80 [ 5059.844257][ T74] fib6_nh_init+0x3d8/0x1580 [ 5059.844257][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5059.844257][ T74] ip6_route_add+0x1c/0x140 [ 5059.844257][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5059.844257][ T74] inet6_addr_add+0x4f8/0xa40 [ 5059.844257][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5059.844257][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5059.844257][ T74] netlink_rcv_skb+0x130/0x360 [ 5059.844257][ T74] netlink_unicast+0x449/0x710 [ 5059.844257][ T74] netlink_sendmsg+0x723/0xbe0 [ 5059.844257][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5059.844257][ T74] ___sys_sendmsg+0xee/0x170 [ 5059.844257][ T74] __sys_sendmsg+0xcd/0x170 [ 5059.844257][ T74] do_syscall_64+0xc6/0x1e0 [ 5059.844257][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5059.844257][ T74] [ 5059.846240][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5059.846240][ T74] netdev_get_by_index+0x5e/0x80 [ 5059.846240][ T74] fib6_nh_init+0x3d8/0x1580 [ 5059.846240][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5059.846240][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5059.846240][ T74] ipv6_add_addr+0x411/0x2000 [ 5059.846240][ T74] inet6_addr_add+0x30e/0xa40 [ 5059.846240][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5059.846240][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5059.846240][ T74] netlink_rcv_skb+0x130/0x360 [ 5059.846240][ T74] netlink_unicast+0x449/0x710 [ 5059.846240][ T74] netlink_sendmsg+0x723/0xbe0 [ 5059.846240][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5059.846240][ T74] ___sys_sendmsg+0xee/0x170 [ 5059.846240][ T74] __sys_sendmsg+0xcd/0x170 [ 5059.846240][ T74] do_syscall_64+0xc6/0x1e0 [ 5059.846240][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5059.846240][ T74] [ 5059.848219][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5059.848219][ T74] netdev_get_by_index+0x5e/0x80 [ 5059.848219][ T74] fib6_nh_init+0x3d8/0x1580 [ 5059.848219][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5059.848219][ T74] ip6_route_add+0x1c/0x140 [ 5059.848219][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5059.848219][ T74] addrconf_add_dev+0xe2/0x170 [ 5059.848219][ T74] inet6_addr_add+0x12f/0xa40 [ 5059.848219][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5059.848219][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5059.848219][ T74] netlink_rcv_skb+0x130/0x360 [ 5059.848219][ T74] netlink_unicast+0x449/0x710 [ 5059.848219][ T74] netlink_sendmsg+0x723/0xbe0 [ 5059.848219][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5059.848219][ T74] ___sys_sendmsg+0xee/0x170 [ 5059.848219][ T74] __sys_sendmsg+0xcd/0x170 [ 5059.848219][ T74] do_syscall_64+0xc6/0x1e0 [ 5059.848219][ T74] [ 5059.850162][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5059.850162][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5059.850162][ T74] ipv6_find_idev+0x102/0x170 [ 5059.850162][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5059.850162][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5059.850162][ T74] netlink_rcv_skb+0x130/0x360 [ 5059.850162][ T74] netlink_unicast+0x449/0x710 [ 5059.850162][ T74] netlink_sendmsg+0x723/0xbe0 [ 5059.850162][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5059.850162][ T74] ___sys_sendmsg+0xee/0x170 [ 5059.850162][ T74] __sys_sendmsg+0xcd/0x170 [ 5059.850162][ T74] do_syscall_64+0xc6/0x1e0 [ 5059.850162][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5059.850162][ T74] [ 5059.851688][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5059.851688][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5059.851688][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5059.851688][ T74] ipv6_find_idev+0x102/0x170 [ 5059.851688][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5059.851688][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5059.851688][ T74] netlink_rcv_skb+0x130/0x360 [ 5059.851688][ T74] netlink_unicast+0x449/0x710 [ 5059.851688][ T74] netlink_sendmsg+0x723/0xbe0 [ 5059.851688][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5059.851688][ T74] ___sys_sendmsg+0xee/0x170 [ 5059.851688][ T74] __sys_sendmsg+0xcd/0x170 [ 5059.851688][ T74] do_syscall_64+0xc6/0x1e0 [ 5059.851688][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5059.851688][ T74] [ 5059.853368][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5059.853637][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5059.853637][ T74] dst_init+0x84/0x4a0 [ 5059.853637][ T74] dst_alloc+0x97/0x150 [ 5059.853637][ T74] ip6_dst_alloc+0x23/0x90 [ 5059.853637][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5059.853637][ T74] ip6_pol_route+0x56f/0x840 [ 5059.853637][ T74] fib6_rule_lookup+0x456/0x630 [ 5059.853637][ T74] ip6_route_input+0x59c/0xa50 [ 5059.853637][ T74] ipv6_rcv+0x397/0x810 [ 5059.853637][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5059.853637][ T74] process_backlog+0x101/0x620 [ 5059.853637][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5059.853637][ T74] net_rx_action+0x495/0xbe0 [ 5059.853637][ T74] __do_softirq+0x1b5/0x7f6 [ 5059.853637][ T74] [ 5059.855264][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5059.855264][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5059.855264][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5059.855264][ T74] fib6_nh_init+0xa22/0x1580 [ 5059.855264][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5059.855264][ T74] ip6_route_add+0x1c/0x140 [ 5059.855264][ T74] inet6_rtm_newroute+0x104/0x110 [ 5059.855264][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5059.855264][ T74] netlink_rcv_skb+0x130/0x360 [ 5059.855264][ T74] netlink_unicast+0x449/0x710 [ 5059.855264][ T74] netlink_sendmsg+0x723/0xbe0 [ 5059.855264][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5059.855264][ T74] ___sys_sendmsg+0xee/0x170 [ 5059.855264][ T74] __sys_sendmsg+0xcd/0x170 [ 5059.855264][ T74] do_syscall_64+0xc6/0x1e0 [ 5059.855264][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5059.855264][ T74] [ 5059.857120][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5059.857120][ T74] netdev_get_by_index+0x5e/0x80 [ 5059.857120][ T74] fib6_nh_init+0x3d8/0x1580 [ 5059.857120][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5059.857120][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5059.857120][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5059.857120][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5059.857120][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5059.857120][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5059.857120][ T74] addrconf_dad_begin+0x310/0x670 [ 5059.857120][ T74] addrconf_dad_work+0x10b/0xab0 [ 5059.857120][ T74] process_one_work+0x84d/0x18a0 [ 5059.857120][ T74] worker_thread+0x587/0xd30 [ 5059.857120][ T74] kthread+0x28a/0x350 [ 5059.857120][ T74] ret_from_fork+0x31/0x70 [ 5059.857120][ T74] ret_from_fork_asm+0x1a/0x30 [ 5059.857120][ T74] [ 5059.859005][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5059.859005][ T74] netdev_get_by_index+0x5e/0x80 [ 5059.859005][ T74] fib6_nh_init+0x3d8/0x1580 [ 5059.859005][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5059.859005][ T74] ip6_route_add+0x1c/0x140 [ 5059.859005][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5059.859005][ T74] inet6_addr_add+0x4f8/0xa40 [ 5059.859005][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5059.859005][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5059.859005][ T74] netlink_rcv_skb+0x130/0x360 [ 5059.859005][ T74] netlink_unicast+0x449/0x710 [ 5059.859005][ T74] netlink_sendmsg+0x723/0xbe0 [ 5059.859005][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5059.859005][ T74] ___sys_sendmsg+0xee/0x170 [ 5059.859005][ T74] __sys_sendmsg+0xcd/0x170 [ 5059.859005][ T74] do_syscall_64+0xc6/0x1e0 [ 5059.859005][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5059.859005][ T74] [ 5059.860983][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5059.860983][ T74] netdev_get_by_index+0x5e/0x80 [ 5059.860983][ T74] fib6_nh_init+0x3d8/0x1580 [ 5059.860983][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5059.860983][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5059.860983][ T74] ipv6_add_addr+0x411/0x2000 [ 5059.860983][ T74] inet6_addr_add+0x30e/0xa40 [ 5059.860983][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5059.860983][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5059.860983][ T74] netlink_rcv_skb+0x130/0x360 [ 5059.860983][ T74] netlink_unicast+0x449/0x710 [ 5059.860983][ T74] netlink_sendmsg+0x723/0xbe0 [ 5059.860983][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5059.860983][ T74] ___sys_sendmsg+0xee/0x170 [ 5059.860983][ T74] __sys_sendmsg+0xcd/0x170 [ 5059.860983][ T74] do_syscall_64+0xc6/0x1e0 [ 5059.860983][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5059.860983][ T74] [ 5059.862958][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5059.862958][ T74] netdev_get_by_index+0x5e/0x80 [ 5059.862958][ T74] fib6_nh_init+0x3d8/0x1580 [ 5059.862958][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5059.862958][ T74] ip6_route_add+0x1c/0x140 [ 5059.862958][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5059.862958][ T74] addrconf_add_dev+0xe2/0x170 [ 5059.862958][ T74] inet6_addr_add+0x12f/0xa40 [ 5059.862958][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5059.862958][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5059.862958][ T74] netlink_rcv_skb+0x130/0x360 [ 5059.862958][ T74] netlink_unicast+0x449/0x710 [ 5059.862958][ T74] netlink_sendmsg+0x723/0xbe0 [ 5059.862958][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5059.862958][ T74] ___sys_sendmsg+0xee/0x170 [ 5059.862958][ T74] __sys_sendmsg+0xcd/0x170 [ 5059.862958][ T74] do_syscall_64+0xc6/0x1e0 [ 5059.862958][ T74] [ 5059.864896][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5059.864896][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5059.864896][ T74] ipv6_find_idev+0x102/0x170 [ 5059.864896][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5059.864896][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5059.864896][ T74] netlink_rcv_skb+0x130/0x360 [ 5059.864896][ T74] netlink_unicast+0x449/0x710 [ 5059.864896][ T74] netlink_sendmsg+0x723/0xbe0 [ 5059.864896][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5059.864896][ T74] ___sys_sendmsg+0xee/0x170 [ 5059.864896][ T74] __sys_sendmsg+0xcd/0x170 [ 5059.864896][ T74] do_syscall_64+0xc6/0x1e0 [ 5059.864896][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5059.864896][ T74] [ 5059.866534][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5059.866534][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5059.866534][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5059.866534][ T74] ipv6_find_idev+0x102/0x170 [ 5059.866534][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5059.866534][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5059.866534][ T74] netlink_rcv_skb+0x130/0x360 [ 5059.866534][ T74] netlink_unicast+0x449/0x710 [ 5059.866534][ T74] netlink_sendmsg+0x723/0xbe0 [ 5059.866534][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5059.866534][ T74] ___sys_sendmsg+0xee/0x170 [ 5059.866534][ T74] __sys_sendmsg+0xcd/0x170 [ 5059.866534][ T74] do_syscall_64+0xc6/0x1e0 [ 5059.866534][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5059.866534][ T74] [ 5059.868494][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5059.868732][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5059.868732][ T74] netdev_get_by_index+0x5e/0x80 [ 5059.868732][ T74] fib6_nh_init+0x3d8/0x1580 [ 5059.868732][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5059.868732][ T74] ip6_route_add+0x1c/0x140 [ 5059.868732][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5059.868732][ T74] inet6_addr_add+0x4f8/0xa40 [ 5059.868732][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5059.868732][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5059.868732][ T74] netlink_rcv_skb+0x130/0x360 [ 5059.868732][ T74] netlink_unicast+0x449/0x710 [ 5059.868732][ T74] netlink_sendmsg+0x723/0xbe0 [ 5059.868732][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5059.868732][ T74] ___sys_sendmsg+0xee/0x170 [ 5059.868732][ T74] __sys_sendmsg+0xcd/0x170 [ 5059.868732][ T74] do_syscall_64+0xc6/0x1e0 [ 5059.868732][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5059.868732][ T74] [ 5059.870954][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5059.870954][ T74] netdev_get_by_index+0x5e/0x80 [ 5059.870954][ T74] fib6_nh_init+0x3d8/0x1580 [ 5059.870954][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5059.870954][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5059.870954][ T74] ipv6_add_addr+0x411/0x2000 [ 5059.870954][ T74] inet6_addr_add+0x30e/0xa40 [ 5059.870954][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5059.870954][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5059.870954][ T74] netlink_rcv_skb+0x130/0x360 [ 5059.870954][ T74] netlink_unicast+0x449/0x710 [ 5059.870954][ T74] netlink_sendmsg+0x723/0xbe0 [ 5059.870954][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5059.870954][ T74] ___sys_sendmsg+0xee/0x170 [ 5059.870954][ T74] __sys_sendmsg+0xcd/0x170 [ 5059.870954][ T74] do_syscall_64+0xc6/0x1e0 [ 5059.870954][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5059.870954][ T74] [ 5059.873154][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5059.873154][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5059.873154][ T74] ipv6_find_idev+0x102/0x170 [ 5059.873154][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5059.873154][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5059.873154][ T74] netlink_rcv_skb+0x130/0x360 [ 5059.873154][ T74] netlink_unicast+0x449/0x710 [ 5059.873154][ T74] netlink_sendmsg+0x723/0xbe0 [ 5059.873154][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5059.873154][ T74] ___sys_sendmsg+0xee/0x170 [ 5059.873154][ T74] __sys_sendmsg+0xcd/0x170 [ 5059.873154][ T74] do_syscall_64+0xc6/0x1e0 [ 5059.873154][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5059.873154][ T74] [ 5059.874795][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5059.874795][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5059.874795][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5059.874795][ T74] ipv6_find_idev+0x102/0x170 [ 5059.874795][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5059.874795][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5059.874795][ T74] netlink_rcv_skb+0x130/0x360 [ 5059.874795][ T74] netlink_unicast+0x449/0x710 [ 5059.874795][ T74] netlink_sendmsg+0x723/0xbe0 [ 5059.874795][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5059.874795][ T74] ___sys_sendmsg+0xee/0x170 [ 5059.874795][ T74] __sys_sendmsg+0xcd/0x170 [ 5059.874795][ T74] do_syscall_64+0xc6/0x1e0 [ 5059.874795][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5059.874795][ T74] [ 5070.127967][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5070.128382][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5070.128382][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5070.128382][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5070.128382][ T74] fib6_nh_init+0xa22/0x1580 [ 5070.128382][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5070.128382][ T74] ip6_route_add+0x1c/0x140 [ 5070.128382][ T74] inet6_rtm_newroute+0x104/0x110 [ 5070.128382][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5070.128382][ T74] netlink_rcv_skb+0x130/0x360 [ 5070.128382][ T74] netlink_unicast+0x449/0x710 [ 5070.128382][ T74] netlink_sendmsg+0x723/0xbe0 [ 5070.128382][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5070.128382][ T74] ___sys_sendmsg+0xee/0x170 [ 5070.128382][ T74] __sys_sendmsg+0xcd/0x170 [ 5070.128382][ T74] do_syscall_64+0xc6/0x1e0 [ 5070.128382][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5070.128382][ T74] [ 5070.130256][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5070.130256][ T74] netdev_get_by_index+0x5e/0x80 [ 5070.130256][ T74] fib6_nh_init+0x3d8/0x1580 [ 5070.130256][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5070.130256][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5070.130256][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5070.130256][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5070.130256][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5070.130256][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5070.130256][ T74] addrconf_dad_begin+0x310/0x670 [ 5070.130256][ T74] addrconf_dad_work+0x10b/0xab0 [ 5070.130256][ T74] process_one_work+0x84d/0x18a0 [ 5070.130256][ T74] worker_thread+0x587/0xd30 [ 5070.130256][ T74] kthread+0x28a/0x350 [ 5070.130256][ T74] ret_from_fork+0x31/0x70 [ 5070.130256][ T74] ret_from_fork_asm+0x1a/0x30 [ 5070.130256][ T74] [ 5070.132156][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5070.132156][ T74] netdev_get_by_index+0x5e/0x80 [ 5070.132156][ T74] fib6_nh_init+0x3d8/0x1580 [ 5070.132156][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5070.132156][ T74] ip6_route_add+0x1c/0x140 [ 5070.132156][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5070.132156][ T74] inet6_addr_add+0x4f8/0xa40 [ 5070.132156][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5070.132156][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5070.132156][ T74] netlink_rcv_skb+0x130/0x360 [ 5070.132156][ T74] netlink_unicast+0x449/0x710 [ 5070.132156][ T74] netlink_sendmsg+0x723/0xbe0 [ 5070.132156][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5070.132156][ T74] ___sys_sendmsg+0xee/0x170 [ 5070.132156][ T74] __sys_sendmsg+0xcd/0x170 [ 5070.132156][ T74] do_syscall_64+0xc6/0x1e0 [ 5070.132156][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5070.132156][ T74] [ 5070.134138][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5070.134138][ T74] netdev_get_by_index+0x5e/0x80 [ 5070.134138][ T74] fib6_nh_init+0x3d8/0x1580 [ 5070.134138][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5070.134138][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5070.134138][ T74] ipv6_add_addr+0x411/0x2000 [ 5070.134138][ T74] inet6_addr_add+0x30e/0xa40 [ 5070.134138][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5070.134138][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5070.134138][ T74] netlink_rcv_skb+0x130/0x360 [ 5070.134138][ T74] netlink_unicast+0x449/0x710 [ 5070.134138][ T74] netlink_sendmsg+0x723/0xbe0 [ 5070.134138][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5070.134138][ T74] ___sys_sendmsg+0xee/0x170 [ 5070.134138][ T74] __sys_sendmsg+0xcd/0x170 [ 5070.134138][ T74] do_syscall_64+0xc6/0x1e0 [ 5070.134138][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5070.134138][ T74] [ 5070.136139][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5070.136139][ T74] netdev_get_by_index+0x5e/0x80 [ 5070.136139][ T74] fib6_nh_init+0x3d8/0x1580 [ 5070.136139][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5070.136139][ T74] ip6_route_add+0x1c/0x140 [ 5070.136139][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5070.136139][ T74] addrconf_add_dev+0xe2/0x170 [ 5070.136139][ T74] inet6_addr_add+0x12f/0xa40 [ 5070.136139][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5070.136139][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5070.136139][ T74] netlink_rcv_skb+0x130/0x360 [ 5070.136139][ T74] netlink_unicast+0x449/0x710 [ 5070.136139][ T74] netlink_sendmsg+0x723/0xbe0 [ 5070.136139][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5070.136139][ T74] ___sys_sendmsg+0xee/0x170 [ 5070.136139][ T74] __sys_sendmsg+0xcd/0x170 [ 5070.136139][ T74] do_syscall_64+0xc6/0x1e0 [ 5070.136139][ T74] [ 5070.138087][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5070.138087][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5070.138087][ T74] ipv6_find_idev+0x102/0x170 [ 5070.138087][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5070.138087][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5070.138087][ T74] netlink_rcv_skb+0x130/0x360 [ 5070.138087][ T74] netlink_unicast+0x449/0x710 [ 5070.138087][ T74] netlink_sendmsg+0x723/0xbe0 [ 5070.138087][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5070.138087][ T74] ___sys_sendmsg+0xee/0x170 [ 5070.138087][ T74] __sys_sendmsg+0xcd/0x170 [ 5070.138087][ T74] do_syscall_64+0xc6/0x1e0 [ 5070.138087][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5070.138087][ T74] [ 5070.139610][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5070.139610][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5070.139610][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5070.139610][ T74] ipv6_find_idev+0x102/0x170 [ 5070.139610][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5070.139610][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5070.139610][ T74] netlink_rcv_skb+0x130/0x360 [ 5070.139610][ T74] netlink_unicast+0x449/0x710 [ 5070.139610][ T74] netlink_sendmsg+0x723/0xbe0 [ 5070.139610][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5070.139610][ T74] ___sys_sendmsg+0xee/0x170 [ 5070.139610][ T74] __sys_sendmsg+0xcd/0x170 [ 5070.139610][ T74] do_syscall_64+0xc6/0x1e0 [ 5070.139610][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5070.139610][ T74] [ 5070.141287][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5070.141556][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5070.141556][ T74] dst_init+0x84/0x4a0 [ 5070.141556][ T74] dst_alloc+0x97/0x150 [ 5070.141556][ T74] ip6_dst_alloc+0x23/0x90 [ 5070.141556][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5070.141556][ T74] ip6_pol_route+0x56f/0x840 [ 5070.141556][ T74] fib6_rule_lookup+0x456/0x630 [ 5070.141556][ T74] ip6_route_input+0x59c/0xa50 [ 5070.141556][ T74] ipv6_rcv+0x397/0x810 [ 5070.141556][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5070.141556][ T74] process_backlog+0x101/0x620 [ 5070.141556][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5070.141556][ T74] net_rx_action+0x495/0xbe0 [ 5070.141556][ T74] __do_softirq+0x1b5/0x7f6 [ 5070.141556][ T74] [ 5070.143179][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5070.143179][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5070.143179][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5070.143179][ T74] fib6_nh_init+0xa22/0x1580 [ 5070.143179][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5070.143179][ T74] ip6_route_add+0x1c/0x140 [ 5070.143179][ T74] inet6_rtm_newroute+0x104/0x110 [ 5070.143179][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5070.143179][ T74] netlink_rcv_skb+0x130/0x360 [ 5070.143179][ T74] netlink_unicast+0x449/0x710 [ 5070.143179][ T74] netlink_sendmsg+0x723/0xbe0 [ 5070.143179][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5070.143179][ T74] ___sys_sendmsg+0xee/0x170 [ 5070.143179][ T74] __sys_sendmsg+0xcd/0x170 [ 5070.143179][ T74] do_syscall_64+0xc6/0x1e0 [ 5070.143179][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5070.143179][ T74] [ 5070.145038][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5070.145038][ T74] netdev_get_by_index+0x5e/0x80 [ 5070.145038][ T74] fib6_nh_init+0x3d8/0x1580 [ 5070.145038][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5070.145038][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5070.145038][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5070.145038][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5070.145038][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5070.145038][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5070.145038][ T74] addrconf_dad_begin+0x310/0x670 [ 5070.145038][ T74] addrconf_dad_work+0x10b/0xab0 [ 5070.145038][ T74] process_one_work+0x84d/0x18a0 [ 5070.145038][ T74] worker_thread+0x587/0xd30 [ 5070.145038][ T74] kthread+0x28a/0x350 [ 5070.145038][ T74] ret_from_fork+0x31/0x70 [ 5070.145038][ T74] ret_from_fork_asm+0x1a/0x30 [ 5070.145038][ T74] [ 5070.146920][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5070.146920][ T74] netdev_get_by_index+0x5e/0x80 [ 5070.146920][ T74] fib6_nh_init+0x3d8/0x1580 [ 5070.146920][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5070.146920][ T74] ip6_route_add+0x1c/0x140 [ 5070.146920][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5070.146920][ T74] inet6_addr_add+0x4f8/0xa40 [ 5070.146920][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5070.146920][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5070.146920][ T74] netlink_rcv_skb+0x130/0x360 [ 5070.146920][ T74] netlink_unicast+0x449/0x710 [ 5070.146920][ T74] netlink_sendmsg+0x723/0xbe0 [ 5070.146920][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5070.146920][ T74] ___sys_sendmsg+0xee/0x170 [ 5070.146920][ T74] __sys_sendmsg+0xcd/0x170 [ 5070.146920][ T74] do_syscall_64+0xc6/0x1e0 [ 5070.146920][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5070.146920][ T74] [ 5070.148894][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5070.148894][ T74] netdev_get_by_index+0x5e/0x80 [ 5070.148894][ T74] fib6_nh_init+0x3d8/0x1580 [ 5070.148894][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5070.148894][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5070.148894][ T74] ipv6_add_addr+0x411/0x2000 [ 5070.148894][ T74] inet6_addr_add+0x30e/0xa40 [ 5070.148894][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5070.148894][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5070.148894][ T74] netlink_rcv_skb+0x130/0x360 [ 5070.148894][ T74] netlink_unicast+0x449/0x710 [ 5070.148894][ T74] netlink_sendmsg+0x723/0xbe0 [ 5070.148894][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5070.148894][ T74] ___sys_sendmsg+0xee/0x170 [ 5070.148894][ T74] __sys_sendmsg+0xcd/0x170 [ 5070.148894][ T74] do_syscall_64+0xc6/0x1e0 [ 5070.148894][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5070.148894][ T74] [ 5070.150867][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5070.150867][ T74] netdev_get_by_index+0x5e/0x80 [ 5070.150867][ T74] fib6_nh_init+0x3d8/0x1580 [ 5070.150867][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5070.150867][ T74] ip6_route_add+0x1c/0x140 [ 5070.150867][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5070.150867][ T74] addrconf_add_dev+0xe2/0x170 [ 5070.150867][ T74] inet6_addr_add+0x12f/0xa40 [ 5070.150867][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5070.150867][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5070.150867][ T74] netlink_rcv_skb+0x130/0x360 [ 5070.150867][ T74] netlink_unicast+0x449/0x710 [ 5070.150867][ T74] netlink_sendmsg+0x723/0xbe0 [ 5070.150867][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5070.150867][ T74] ___sys_sendmsg+0xee/0x170 [ 5070.150867][ T74] __sys_sendmsg+0xcd/0x170 [ 5070.150867][ T74] do_syscall_64+0xc6/0x1e0 [ 5070.150867][ T74] [ 5070.152805][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5070.152805][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5070.152805][ T74] ipv6_find_idev+0x102/0x170 [ 5070.152805][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5070.152805][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5070.152805][ T74] netlink_rcv_skb+0x130/0x360 [ 5070.152805][ T74] netlink_unicast+0x449/0x710 [ 5070.152805][ T74] netlink_sendmsg+0x723/0xbe0 [ 5070.152805][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5070.152805][ T74] ___sys_sendmsg+0xee/0x170 [ 5070.152805][ T74] __sys_sendmsg+0xcd/0x170 [ 5070.152805][ T74] do_syscall_64+0xc6/0x1e0 [ 5070.152805][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5070.152805][ T74] [ 5070.154459][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5070.154459][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5070.154459][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5070.154459][ T74] ipv6_find_idev+0x102/0x170 [ 5070.154459][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5070.154459][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5070.154459][ T74] netlink_rcv_skb+0x130/0x360 [ 5070.154459][ T74] netlink_unicast+0x449/0x710 [ 5070.154459][ T74] netlink_sendmsg+0x723/0xbe0 [ 5070.154459][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5070.154459][ T74] ___sys_sendmsg+0xee/0x170 [ 5070.154459][ T74] __sys_sendmsg+0xcd/0x170 [ 5070.154459][ T74] do_syscall_64+0xc6/0x1e0 [ 5070.154459][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5070.154459][ T74] [ 5070.156423][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5070.156660][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5070.156660][ T74] netdev_get_by_index+0x5e/0x80 [ 5070.156660][ T74] fib6_nh_init+0x3d8/0x1580 [ 5070.156660][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5070.156660][ T74] ip6_route_add+0x1c/0x140 [ 5070.156660][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5070.156660][ T74] inet6_addr_add+0x4f8/0xa40 [ 5070.156660][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5070.156660][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5070.156660][ T74] netlink_rcv_skb+0x130/0x360 [ 5070.156660][ T74] netlink_unicast+0x449/0x710 [ 5070.156660][ T74] netlink_sendmsg+0x723/0xbe0 [ 5070.156660][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5070.156660][ T74] ___sys_sendmsg+0xee/0x170 [ 5070.156660][ T74] __sys_sendmsg+0xcd/0x170 [ 5070.156660][ T74] do_syscall_64+0xc6/0x1e0 [ 5070.156660][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5070.156660][ T74] [ 5070.158886][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5070.158886][ T74] netdev_get_by_index+0x5e/0x80 [ 5070.158886][ T74] fib6_nh_init+0x3d8/0x1580 [ 5070.158886][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5070.158886][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5070.158886][ T74] ipv6_add_addr+0x411/0x2000 [ 5070.158886][ T74] inet6_addr_add+0x30e/0xa40 [ 5070.158886][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5070.158886][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5070.158886][ T74] netlink_rcv_skb+0x130/0x360 [ 5070.158886][ T74] netlink_unicast+0x449/0x710 [ 5070.158886][ T74] netlink_sendmsg+0x723/0xbe0 [ 5070.158886][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5070.158886][ T74] ___sys_sendmsg+0xee/0x170 [ 5070.158886][ T74] __sys_sendmsg+0xcd/0x170 [ 5070.158886][ T74] do_syscall_64+0xc6/0x1e0 [ 5070.158886][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5070.158886][ T74] [ 5070.161093][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5070.161093][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5070.161093][ T74] ipv6_find_idev+0x102/0x170 [ 5070.161093][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5070.161093][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5070.161093][ T74] netlink_rcv_skb+0x130/0x360 [ 5070.161093][ T74] netlink_unicast+0x449/0x710 [ 5070.161093][ T74] netlink_sendmsg+0x723/0xbe0 [ 5070.161093][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5070.161093][ T74] ___sys_sendmsg+0xee/0x170 [ 5070.161093][ T74] __sys_sendmsg+0xcd/0x170 [ 5070.161093][ T74] do_syscall_64+0xc6/0x1e0 [ 5070.161093][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5070.161093][ T74] [ 5070.162730][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5070.162730][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5070.162730][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5070.162730][ T74] ipv6_find_idev+0x102/0x170 [ 5070.162730][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5070.162730][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5070.162730][ T74] netlink_rcv_skb+0x130/0x360 [ 5070.162730][ T74] netlink_unicast+0x449/0x710 [ 5070.162730][ T74] netlink_sendmsg+0x723/0xbe0 [ 5070.162730][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5070.162730][ T74] ___sys_sendmsg+0xee/0x170 [ 5070.162730][ T74] __sys_sendmsg+0xcd/0x170 [ 5070.162730][ T74] do_syscall_64+0xc6/0x1e0 [ 5070.162730][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5070.162730][ T74] [ 5080.336065][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5080.336489][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5080.336489][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5080.336489][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5080.336489][ T74] fib6_nh_init+0xa22/0x1580 [ 5080.336489][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5080.336489][ T74] ip6_route_add+0x1c/0x140 [ 5080.336489][ T74] inet6_rtm_newroute+0x104/0x110 [ 5080.336489][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5080.336489][ T74] netlink_rcv_skb+0x130/0x360 [ 5080.336489][ T74] netlink_unicast+0x449/0x710 [ 5080.336489][ T74] netlink_sendmsg+0x723/0xbe0 [ 5080.336489][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5080.336489][ T74] ___sys_sendmsg+0xee/0x170 [ 5080.336489][ T74] __sys_sendmsg+0xcd/0x170 [ 5080.336489][ T74] do_syscall_64+0xc6/0x1e0 [ 5080.336489][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5080.336489][ T74] [ 5080.338372][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5080.338372][ T74] netdev_get_by_index+0x5e/0x80 [ 5080.338372][ T74] fib6_nh_init+0x3d8/0x1580 [ 5080.338372][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5080.338372][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5080.338372][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5080.338372][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5080.338372][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5080.338372][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5080.338372][ T74] addrconf_dad_begin+0x310/0x670 [ 5080.338372][ T74] addrconf_dad_work+0x10b/0xab0 [ 5080.338372][ T74] process_one_work+0x84d/0x18a0 [ 5080.338372][ T74] worker_thread+0x587/0xd30 [ 5080.338372][ T74] kthread+0x28a/0x350 [ 5080.338372][ T74] ret_from_fork+0x31/0x70 [ 5080.338372][ T74] ret_from_fork_asm+0x1a/0x30 [ 5080.338372][ T74] [ 5080.340267][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5080.340267][ T74] netdev_get_by_index+0x5e/0x80 [ 5080.340267][ T74] fib6_nh_init+0x3d8/0x1580 [ 5080.340267][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5080.340267][ T74] ip6_route_add+0x1c/0x140 [ 5080.340267][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5080.340267][ T74] inet6_addr_add+0x4f8/0xa40 [ 5080.340267][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5080.340267][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5080.340267][ T74] netlink_rcv_skb+0x130/0x360 [ 5080.340267][ T74] netlink_unicast+0x449/0x710 [ 5080.340267][ T74] netlink_sendmsg+0x723/0xbe0 [ 5080.340267][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5080.340267][ T74] ___sys_sendmsg+0xee/0x170 [ 5080.340267][ T74] __sys_sendmsg+0xcd/0x170 [ 5080.340267][ T74] do_syscall_64+0xc6/0x1e0 [ 5080.340267][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5080.340267][ T74] [ 5080.342244][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5080.342244][ T74] netdev_get_by_index+0x5e/0x80 [ 5080.342244][ T74] fib6_nh_init+0x3d8/0x1580 [ 5080.342244][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5080.342244][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5080.342244][ T74] ipv6_add_addr+0x411/0x2000 [ 5080.342244][ T74] inet6_addr_add+0x30e/0xa40 [ 5080.342244][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5080.342244][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5080.342244][ T74] netlink_rcv_skb+0x130/0x360 [ 5080.342244][ T74] netlink_unicast+0x449/0x710 [ 5080.342244][ T74] netlink_sendmsg+0x723/0xbe0 [ 5080.342244][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5080.342244][ T74] ___sys_sendmsg+0xee/0x170 [ 5080.342244][ T74] __sys_sendmsg+0xcd/0x170 [ 5080.342244][ T74] do_syscall_64+0xc6/0x1e0 [ 5080.342244][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5080.342244][ T74] [ 5080.344217][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5080.344217][ T74] netdev_get_by_index+0x5e/0x80 [ 5080.344217][ T74] fib6_nh_init+0x3d8/0x1580 [ 5080.344217][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5080.344217][ T74] ip6_route_add+0x1c/0x140 [ 5080.344217][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5080.344217][ T74] addrconf_add_dev+0xe2/0x170 [ 5080.344217][ T74] inet6_addr_add+0x12f/0xa40 [ 5080.344217][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5080.344217][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5080.344217][ T74] netlink_rcv_skb+0x130/0x360 [ 5080.344217][ T74] netlink_unicast+0x449/0x710 [ 5080.344217][ T74] netlink_sendmsg+0x723/0xbe0 [ 5080.344217][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5080.344217][ T74] ___sys_sendmsg+0xee/0x170 [ 5080.344217][ T74] __sys_sendmsg+0xcd/0x170 [ 5080.344217][ T74] do_syscall_64+0xc6/0x1e0 [ 5080.344217][ T74] [ 5080.346166][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5080.346166][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5080.346166][ T74] ipv6_find_idev+0x102/0x170 [ 5080.346166][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5080.346166][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5080.346166][ T74] netlink_rcv_skb+0x130/0x360 [ 5080.346166][ T74] netlink_unicast+0x449/0x710 [ 5080.346166][ T74] netlink_sendmsg+0x723/0xbe0 [ 5080.346166][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5080.346166][ T74] ___sys_sendmsg+0xee/0x170 [ 5080.346166][ T74] __sys_sendmsg+0xcd/0x170 [ 5080.346166][ T74] do_syscall_64+0xc6/0x1e0 [ 5080.346166][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5080.346166][ T74] [ 5080.347686][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5080.347686][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5080.347686][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5080.347686][ T74] ipv6_find_idev+0x102/0x170 [ 5080.347686][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5080.347686][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5080.347686][ T74] netlink_rcv_skb+0x130/0x360 [ 5080.347686][ T74] netlink_unicast+0x449/0x710 [ 5080.347686][ T74] netlink_sendmsg+0x723/0xbe0 [ 5080.347686][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5080.347686][ T74] ___sys_sendmsg+0xee/0x170 [ 5080.347686][ T74] __sys_sendmsg+0xcd/0x170 [ 5080.347686][ T74] do_syscall_64+0xc6/0x1e0 [ 5080.347686][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5080.347686][ T74] [ 5080.349377][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5080.349647][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5080.349647][ T74] dst_init+0x84/0x4a0 [ 5080.349647][ T74] dst_alloc+0x97/0x150 [ 5080.349647][ T74] ip6_dst_alloc+0x23/0x90 [ 5080.349647][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5080.349647][ T74] ip6_pol_route+0x56f/0x840 [ 5080.349647][ T74] fib6_rule_lookup+0x456/0x630 [ 5080.349647][ T74] ip6_route_input+0x59c/0xa50 [ 5080.349647][ T74] ipv6_rcv+0x397/0x810 [ 5080.349647][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5080.349647][ T74] process_backlog+0x101/0x620 [ 5080.349647][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5080.349647][ T74] net_rx_action+0x495/0xbe0 [ 5080.349647][ T74] __do_softirq+0x1b5/0x7f6 [ 5080.349647][ T74] [ 5080.351264][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5080.351264][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5080.351264][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5080.351264][ T74] fib6_nh_init+0xa22/0x1580 [ 5080.351264][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5080.351264][ T74] ip6_route_add+0x1c/0x140 [ 5080.351264][ T74] inet6_rtm_newroute+0x104/0x110 [ 5080.351264][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5080.351264][ T74] netlink_rcv_skb+0x130/0x360 [ 5080.351264][ T74] netlink_unicast+0x449/0x710 [ 5080.351264][ T74] netlink_sendmsg+0x723/0xbe0 [ 5080.351264][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5080.351264][ T74] ___sys_sendmsg+0xee/0x170 [ 5080.351264][ T74] __sys_sendmsg+0xcd/0x170 [ 5080.351264][ T74] do_syscall_64+0xc6/0x1e0 [ 5080.351264][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5080.351264][ T74] [ 5080.353112][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5080.353112][ T74] netdev_get_by_index+0x5e/0x80 [ 5080.353112][ T74] fib6_nh_init+0x3d8/0x1580 [ 5080.353112][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5080.353112][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5080.353112][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5080.353112][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5080.353112][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5080.353112][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5080.353112][ T74] addrconf_dad_begin+0x310/0x670 [ 5080.353112][ T74] addrconf_dad_work+0x10b/0xab0 [ 5080.353112][ T74] process_one_work+0x84d/0x18a0 [ 5080.353112][ T74] worker_thread+0x587/0xd30 [ 5080.353112][ T74] kthread+0x28a/0x350 [ 5080.353112][ T74] ret_from_fork+0x31/0x70 [ 5080.353112][ T74] ret_from_fork_asm+0x1a/0x30 [ 5080.353112][ T74] [ 5080.355003][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5080.355003][ T74] netdev_get_by_index+0x5e/0x80 [ 5080.355003][ T74] fib6_nh_init+0x3d8/0x1580 [ 5080.355003][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5080.355003][ T74] ip6_route_add+0x1c/0x140 [ 5080.355003][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5080.355003][ T74] inet6_addr_add+0x4f8/0xa40 [ 5080.355003][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5080.355003][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5080.355003][ T74] netlink_rcv_skb+0x130/0x360 [ 5080.355003][ T74] netlink_unicast+0x449/0x710 [ 5080.355003][ T74] netlink_sendmsg+0x723/0xbe0 [ 5080.355003][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5080.355003][ T74] ___sys_sendmsg+0xee/0x170 [ 5080.355003][ T74] __sys_sendmsg+0xcd/0x170 [ 5080.355003][ T74] do_syscall_64+0xc6/0x1e0 [ 5080.355003][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5080.355003][ T74] [ 5080.356973][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5080.356973][ T74] netdev_get_by_index+0x5e/0x80 [ 5080.356973][ T74] fib6_nh_init+0x3d8/0x1580 [ 5080.356973][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5080.356973][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5080.356973][ T74] ipv6_add_addr+0x411/0x2000 [ 5080.356973][ T74] inet6_addr_add+0x30e/0xa40 [ 5080.356973][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5080.356973][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5080.356973][ T74] netlink_rcv_skb+0x130/0x360 [ 5080.356973][ T74] netlink_unicast+0x449/0x710 [ 5080.356973][ T74] netlink_sendmsg+0x723/0xbe0 [ 5080.356973][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5080.356973][ T74] ___sys_sendmsg+0xee/0x170 [ 5080.356973][ T74] __sys_sendmsg+0xcd/0x170 [ 5080.356973][ T74] do_syscall_64+0xc6/0x1e0 [ 5080.356973][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5080.356973][ T74] [ 5080.358944][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5080.358944][ T74] netdev_get_by_index+0x5e/0x80 [ 5080.358944][ T74] fib6_nh_init+0x3d8/0x1580 [ 5080.358944][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5080.358944][ T74] ip6_route_add+0x1c/0x140 [ 5080.358944][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5080.358944][ T74] addrconf_add_dev+0xe2/0x170 [ 5080.358944][ T74] inet6_addr_add+0x12f/0xa40 [ 5080.358944][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5080.358944][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5080.358944][ T74] netlink_rcv_skb+0x130/0x360 [ 5080.358944][ T74] netlink_unicast+0x449/0x710 [ 5080.358944][ T74] netlink_sendmsg+0x723/0xbe0 [ 5080.358944][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5080.358944][ T74] ___sys_sendmsg+0xee/0x170 [ 5080.358944][ T74] __sys_sendmsg+0xcd/0x170 [ 5080.358944][ T74] do_syscall_64+0xc6/0x1e0 [ 5080.358944][ T74] [ 5080.360875][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5080.360875][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5080.360875][ T74] ipv6_find_idev+0x102/0x170 [ 5080.360875][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5080.360875][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5080.360875][ T74] netlink_rcv_skb+0x130/0x360 [ 5080.360875][ T74] netlink_unicast+0x449/0x710 [ 5080.360875][ T74] netlink_sendmsg+0x723/0xbe0 [ 5080.360875][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5080.360875][ T74] ___sys_sendmsg+0xee/0x170 [ 5080.360875][ T74] __sys_sendmsg+0xcd/0x170 [ 5080.360875][ T74] do_syscall_64+0xc6/0x1e0 [ 5080.360875][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5080.360875][ T74] [ 5080.362526][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5080.362526][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5080.362526][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5080.362526][ T74] ipv6_find_idev+0x102/0x170 [ 5080.362526][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5080.362526][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5080.362526][ T74] netlink_rcv_skb+0x130/0x360 [ 5080.362526][ T74] netlink_unicast+0x449/0x710 [ 5080.362526][ T74] netlink_sendmsg+0x723/0xbe0 [ 5080.362526][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5080.362526][ T74] ___sys_sendmsg+0xee/0x170 [ 5080.362526][ T74] __sys_sendmsg+0xcd/0x170 [ 5080.362526][ T74] do_syscall_64+0xc6/0x1e0 [ 5080.362526][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5080.362526][ T74] [ 5080.364476][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5080.364718][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5080.364718][ T74] netdev_get_by_index+0x5e/0x80 [ 5080.364718][ T74] fib6_nh_init+0x3d8/0x1580 [ 5080.364718][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5080.364718][ T74] ip6_route_add+0x1c/0x140 [ 5080.364718][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5080.364718][ T74] inet6_addr_add+0x4f8/0xa40 [ 5080.364718][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5080.364718][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5080.364718][ T74] netlink_rcv_skb+0x130/0x360 [ 5080.364718][ T74] netlink_unicast+0x449/0x710 [ 5080.364718][ T74] netlink_sendmsg+0x723/0xbe0 [ 5080.364718][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5080.364718][ T74] ___sys_sendmsg+0xee/0x170 [ 5080.364718][ T74] __sys_sendmsg+0xcd/0x170 [ 5080.364718][ T74] do_syscall_64+0xc6/0x1e0 [ 5080.364718][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5080.364718][ T74] [ 5080.366944][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5080.366944][ T74] netdev_get_by_index+0x5e/0x80 [ 5080.366944][ T74] fib6_nh_init+0x3d8/0x1580 [ 5080.366944][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5080.366944][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5080.366944][ T74] ipv6_add_addr+0x411/0x2000 [ 5080.366944][ T74] inet6_addr_add+0x30e/0xa40 [ 5080.366944][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5080.366944][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5080.366944][ T74] netlink_rcv_skb+0x130/0x360 [ 5080.366944][ T74] netlink_unicast+0x449/0x710 [ 5080.366944][ T74] netlink_sendmsg+0x723/0xbe0 [ 5080.366944][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5080.366944][ T74] ___sys_sendmsg+0xee/0x170 [ 5080.366944][ T74] __sys_sendmsg+0xcd/0x170 [ 5080.366944][ T74] do_syscall_64+0xc6/0x1e0 [ 5080.366944][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5080.366944][ T74] [ 5080.369148][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5080.369148][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5080.369148][ T74] ipv6_find_idev+0x102/0x170 [ 5080.369148][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5080.369148][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5080.369148][ T74] netlink_rcv_skb+0x130/0x360 [ 5080.369148][ T74] netlink_unicast+0x449/0x710 [ 5080.369148][ T74] netlink_sendmsg+0x723/0xbe0 [ 5080.369148][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5080.369148][ T74] ___sys_sendmsg+0xee/0x170 [ 5080.369148][ T74] __sys_sendmsg+0xcd/0x170 [ 5080.369148][ T74] do_syscall_64+0xc6/0x1e0 [ 5080.369148][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5080.369148][ T74] [ 5080.370788][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5080.370788][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5080.370788][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5080.370788][ T74] ipv6_find_idev+0x102/0x170 [ 5080.370788][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5080.370788][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5080.370788][ T74] netlink_rcv_skb+0x130/0x360 [ 5080.370788][ T74] netlink_unicast+0x449/0x710 [ 5080.370788][ T74] netlink_sendmsg+0x723/0xbe0 [ 5080.370788][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5080.370788][ T74] ___sys_sendmsg+0xee/0x170 [ 5080.370788][ T74] __sys_sendmsg+0xcd/0x170 [ 5080.370788][ T74] do_syscall_64+0xc6/0x1e0 [ 5080.370788][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5080.370788][ T74] [ 5090.496001][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5090.496417][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5090.496417][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5090.496417][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5090.496417][ T74] fib6_nh_init+0xa22/0x1580 [ 5090.496417][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5090.496417][ T74] ip6_route_add+0x1c/0x140 [ 5090.496417][ T74] inet6_rtm_newroute+0x104/0x110 [ 5090.496417][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5090.496417][ T74] netlink_rcv_skb+0x130/0x360 [ 5090.496417][ T74] netlink_unicast+0x449/0x710 [ 5090.496417][ T74] netlink_sendmsg+0x723/0xbe0 [ 5090.496417][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5090.496417][ T74] ___sys_sendmsg+0xee/0x170 [ 5090.496417][ T74] __sys_sendmsg+0xcd/0x170 [ 5090.496417][ T74] do_syscall_64+0xc6/0x1e0 [ 5090.496417][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5090.496417][ T74] [ 5090.498293][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5090.498293][ T74] netdev_get_by_index+0x5e/0x80 [ 5090.498293][ T74] fib6_nh_init+0x3d8/0x1580 [ 5090.498293][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5090.498293][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5090.498293][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5090.498293][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5090.498293][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5090.498293][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5090.498293][ T74] addrconf_dad_begin+0x310/0x670 [ 5090.498293][ T74] addrconf_dad_work+0x10b/0xab0 [ 5090.498293][ T74] process_one_work+0x84d/0x18a0 [ 5090.498293][ T74] worker_thread+0x587/0xd30 [ 5090.498293][ T74] kthread+0x28a/0x350 [ 5090.498293][ T74] ret_from_fork+0x31/0x70 [ 5090.498293][ T74] ret_from_fork_asm+0x1a/0x30 [ 5090.498293][ T74] [ 5090.500191][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5090.500191][ T74] netdev_get_by_index+0x5e/0x80 [ 5090.500191][ T74] fib6_nh_init+0x3d8/0x1580 [ 5090.500191][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5090.500191][ T74] ip6_route_add+0x1c/0x140 [ 5090.500191][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5090.500191][ T74] inet6_addr_add+0x4f8/0xa40 [ 5090.500191][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5090.500191][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5090.500191][ T74] netlink_rcv_skb+0x130/0x360 [ 5090.500191][ T74] netlink_unicast+0x449/0x710 [ 5090.500191][ T74] netlink_sendmsg+0x723/0xbe0 [ 5090.500191][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5090.500191][ T74] ___sys_sendmsg+0xee/0x170 [ 5090.500191][ T74] __sys_sendmsg+0xcd/0x170 [ 5090.500191][ T74] do_syscall_64+0xc6/0x1e0 [ 5090.500191][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5090.500191][ T74] [ 5090.502186][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5090.502186][ T74] netdev_get_by_index+0x5e/0x80 [ 5090.502186][ T74] fib6_nh_init+0x3d8/0x1580 [ 5090.502186][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5090.502186][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5090.502186][ T74] ipv6_add_addr+0x411/0x2000 [ 5090.502186][ T74] inet6_addr_add+0x30e/0xa40 [ 5090.502186][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5090.502186][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5090.502186][ T74] netlink_rcv_skb+0x130/0x360 [ 5090.502186][ T74] netlink_unicast+0x449/0x710 [ 5090.502186][ T74] netlink_sendmsg+0x723/0xbe0 [ 5090.502186][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5090.502186][ T74] ___sys_sendmsg+0xee/0x170 [ 5090.502186][ T74] __sys_sendmsg+0xcd/0x170 [ 5090.502186][ T74] do_syscall_64+0xc6/0x1e0 [ 5090.502186][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5090.502186][ T74] [ 5090.504169][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5090.504169][ T74] netdev_get_by_index+0x5e/0x80 [ 5090.504169][ T74] fib6_nh_init+0x3d8/0x1580 [ 5090.504169][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5090.504169][ T74] ip6_route_add+0x1c/0x140 [ 5090.504169][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5090.504169][ T74] addrconf_add_dev+0xe2/0x170 [ 5090.504169][ T74] inet6_addr_add+0x12f/0xa40 [ 5090.504169][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5090.504169][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5090.504169][ T74] netlink_rcv_skb+0x130/0x360 [ 5090.504169][ T74] netlink_unicast+0x449/0x710 [ 5090.504169][ T74] netlink_sendmsg+0x723/0xbe0 [ 5090.504169][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5090.504169][ T74] ___sys_sendmsg+0xee/0x170 [ 5090.504169][ T74] __sys_sendmsg+0xcd/0x170 [ 5090.504169][ T74] do_syscall_64+0xc6/0x1e0 [ 5090.504169][ T74] [ 5090.506144][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5090.506144][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5090.506144][ T74] ipv6_find_idev+0x102/0x170 [ 5090.506144][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5090.506144][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5090.506144][ T74] netlink_rcv_skb+0x130/0x360 [ 5090.506144][ T74] netlink_unicast+0x449/0x710 [ 5090.506144][ T74] netlink_sendmsg+0x723/0xbe0 [ 5090.506144][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5090.506144][ T74] ___sys_sendmsg+0xee/0x170 [ 5090.506144][ T74] __sys_sendmsg+0xcd/0x170 [ 5090.506144][ T74] do_syscall_64+0xc6/0x1e0 [ 5090.506144][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5090.506144][ T74] [ 5090.507675][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5090.507675][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5090.507675][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5090.507675][ T74] ipv6_find_idev+0x102/0x170 [ 5090.507675][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5090.507675][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5090.507675][ T74] netlink_rcv_skb+0x130/0x360 [ 5090.507675][ T74] netlink_unicast+0x449/0x710 [ 5090.507675][ T74] netlink_sendmsg+0x723/0xbe0 [ 5090.507675][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5090.507675][ T74] ___sys_sendmsg+0xee/0x170 [ 5090.507675][ T74] __sys_sendmsg+0xcd/0x170 [ 5090.507675][ T74] do_syscall_64+0xc6/0x1e0 [ 5090.507675][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5090.507675][ T74] [ 5090.509338][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5090.509607][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5090.509607][ T74] dst_init+0x84/0x4a0 [ 5090.509607][ T74] dst_alloc+0x97/0x150 [ 5090.509607][ T74] ip6_dst_alloc+0x23/0x90 [ 5090.509607][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5090.509607][ T74] ip6_pol_route+0x56f/0x840 [ 5090.509607][ T74] fib6_rule_lookup+0x456/0x630 [ 5090.509607][ T74] ip6_route_input+0x59c/0xa50 [ 5090.509607][ T74] ipv6_rcv+0x397/0x810 [ 5090.509607][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5090.509607][ T74] process_backlog+0x101/0x620 [ 5090.509607][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5090.509607][ T74] net_rx_action+0x495/0xbe0 [ 5090.509607][ T74] __do_softirq+0x1b5/0x7f6 [ 5090.509607][ T74] [ 5090.511223][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5090.511223][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5090.511223][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5090.511223][ T74] fib6_nh_init+0xa22/0x1580 [ 5090.511223][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5090.511223][ T74] ip6_route_add+0x1c/0x140 [ 5090.511223][ T74] inet6_rtm_newroute+0x104/0x110 [ 5090.511223][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5090.511223][ T74] netlink_rcv_skb+0x130/0x360 [ 5090.511223][ T74] netlink_unicast+0x449/0x710 [ 5090.511223][ T74] netlink_sendmsg+0x723/0xbe0 [ 5090.511223][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5090.511223][ T74] ___sys_sendmsg+0xee/0x170 [ 5090.511223][ T74] __sys_sendmsg+0xcd/0x170 [ 5090.511223][ T74] do_syscall_64+0xc6/0x1e0 [ 5090.511223][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5090.511223][ T74] [ 5090.513077][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5090.513077][ T74] netdev_get_by_index+0x5e/0x80 [ 5090.513077][ T74] fib6_nh_init+0x3d8/0x1580 [ 5090.513077][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5090.513077][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5090.513077][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5090.513077][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5090.513077][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5090.513077][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5090.513077][ T74] addrconf_dad_begin+0x310/0x670 [ 5090.513077][ T74] addrconf_dad_work+0x10b/0xab0 [ 5090.513077][ T74] process_one_work+0x84d/0x18a0 [ 5090.513077][ T74] worker_thread+0x587/0xd30 [ 5090.513077][ T74] kthread+0x28a/0x350 [ 5090.513077][ T74] ret_from_fork+0x31/0x70 [ 5090.513077][ T74] ret_from_fork_asm+0x1a/0x30 [ 5090.513077][ T74] [ 5090.514966][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5090.514966][ T74] netdev_get_by_index+0x5e/0x80 [ 5090.514966][ T74] fib6_nh_init+0x3d8/0x1580 [ 5090.514966][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5090.514966][ T74] ip6_route_add+0x1c/0x140 [ 5090.514966][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5090.514966][ T74] inet6_addr_add+0x4f8/0xa40 [ 5090.514966][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5090.514966][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5090.514966][ T74] netlink_rcv_skb+0x130/0x360 [ 5090.514966][ T74] netlink_unicast+0x449/0x710 [ 5090.514966][ T74] netlink_sendmsg+0x723/0xbe0 [ 5090.514966][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5090.514966][ T74] ___sys_sendmsg+0xee/0x170 [ 5090.514966][ T74] __sys_sendmsg+0xcd/0x170 [ 5090.514966][ T74] do_syscall_64+0xc6/0x1e0 [ 5090.514966][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5090.514966][ T74] [ 5090.516944][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5090.516944][ T74] netdev_get_by_index+0x5e/0x80 [ 5090.516944][ T74] fib6_nh_init+0x3d8/0x1580 [ 5090.516944][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5090.516944][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5090.516944][ T74] ipv6_add_addr+0x411/0x2000 [ 5090.516944][ T74] inet6_addr_add+0x30e/0xa40 [ 5090.516944][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5090.516944][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5090.516944][ T74] netlink_rcv_skb+0x130/0x360 [ 5090.516944][ T74] netlink_unicast+0x449/0x710 [ 5090.516944][ T74] netlink_sendmsg+0x723/0xbe0 [ 5090.516944][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5090.516944][ T74] ___sys_sendmsg+0xee/0x170 [ 5090.516944][ T74] __sys_sendmsg+0xcd/0x170 [ 5090.516944][ T74] do_syscall_64+0xc6/0x1e0 [ 5090.516944][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5090.516944][ T74] [ 5090.518924][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5090.518924][ T74] netdev_get_by_index+0x5e/0x80 [ 5090.518924][ T74] fib6_nh_init+0x3d8/0x1580 [ 5090.518924][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5090.518924][ T74] ip6_route_add+0x1c/0x140 [ 5090.518924][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5090.518924][ T74] addrconf_add_dev+0xe2/0x170 [ 5090.518924][ T74] inet6_addr_add+0x12f/0xa40 [ 5090.518924][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5090.518924][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5090.518924][ T74] netlink_rcv_skb+0x130/0x360 [ 5090.518924][ T74] netlink_unicast+0x449/0x710 [ 5090.518924][ T74] netlink_sendmsg+0x723/0xbe0 [ 5090.518924][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5090.518924][ T74] ___sys_sendmsg+0xee/0x170 [ 5090.518924][ T74] __sys_sendmsg+0xcd/0x170 [ 5090.518924][ T74] do_syscall_64+0xc6/0x1e0 [ 5090.518924][ T74] [ 5090.520858][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5090.520858][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5090.520858][ T74] ipv6_find_idev+0x102/0x170 [ 5090.520858][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5090.520858][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5090.520858][ T74] netlink_rcv_skb+0x130/0x360 [ 5090.520858][ T74] netlink_unicast+0x449/0x710 [ 5090.520858][ T74] netlink_sendmsg+0x723/0xbe0 [ 5090.520858][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5090.520858][ T74] ___sys_sendmsg+0xee/0x170 [ 5090.520858][ T74] __sys_sendmsg+0xcd/0x170 [ 5090.520858][ T74] do_syscall_64+0xc6/0x1e0 [ 5090.520858][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5090.520858][ T74] [ 5090.522440][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5090.522440][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5090.522440][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5090.522440][ T74] ipv6_find_idev+0x102/0x170 [ 5090.522440][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5090.522440][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5090.522440][ T74] netlink_rcv_skb+0x130/0x360 [ 5090.522440][ T74] netlink_unicast+0x449/0x710 [ 5090.522440][ T74] netlink_sendmsg+0x723/0xbe0 [ 5090.522440][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5090.522440][ T74] ___sys_sendmsg+0xee/0x170 [ 5090.522440][ T74] __sys_sendmsg+0xcd/0x170 [ 5090.522440][ T74] do_syscall_64+0xc6/0x1e0 [ 5090.522440][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5090.522440][ T74] [ 5090.524284][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5090.524528][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5090.524528][ T74] netdev_get_by_index+0x5e/0x80 [ 5090.524528][ T74] fib6_nh_init+0x3d8/0x1580 [ 5090.524528][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5090.524528][ T74] ip6_route_add+0x1c/0x140 [ 5090.524528][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5090.524528][ T74] inet6_addr_add+0x4f8/0xa40 [ 5090.524528][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5090.524528][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5090.524528][ T74] netlink_rcv_skb+0x130/0x360 [ 5090.524528][ T74] netlink_unicast+0x449/0x710 [ 5090.524528][ T74] netlink_sendmsg+0x723/0xbe0 [ 5090.524528][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5090.524528][ T74] ___sys_sendmsg+0xee/0x170 [ 5090.524528][ T74] __sys_sendmsg+0xcd/0x170 [ 5090.524528][ T74] do_syscall_64+0xc6/0x1e0 [ 5090.524528][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5090.524528][ T74] [ 5090.526630][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5090.526630][ T74] netdev_get_by_index+0x5e/0x80 [ 5090.526630][ T74] fib6_nh_init+0x3d8/0x1580 [ 5090.526630][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5090.526630][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5090.526630][ T74] ipv6_add_addr+0x411/0x2000 [ 5090.526630][ T74] inet6_addr_add+0x30e/0xa40 [ 5090.526630][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5090.526630][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5090.526630][ T74] netlink_rcv_skb+0x130/0x360 [ 5090.526630][ T74] netlink_unicast+0x449/0x710 [ 5090.526630][ T74] netlink_sendmsg+0x723/0xbe0 [ 5090.526630][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5090.526630][ T74] ___sys_sendmsg+0xee/0x170 [ 5090.526630][ T74] __sys_sendmsg+0xcd/0x170 [ 5090.526630][ T74] do_syscall_64+0xc6/0x1e0 [ 5090.526630][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5090.526630][ T74] [ 5090.528722][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5090.528722][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5090.528722][ T74] ipv6_find_idev+0x102/0x170 [ 5090.528722][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5090.528722][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5090.528722][ T74] netlink_rcv_skb+0x130/0x360 [ 5090.528722][ T74] netlink_unicast+0x449/0x710 [ 5090.528722][ T74] netlink_sendmsg+0x723/0xbe0 [ 5090.528722][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5090.528722][ T74] ___sys_sendmsg+0xee/0x170 [ 5090.528722][ T74] __sys_sendmsg+0xcd/0x170 [ 5090.528722][ T74] do_syscall_64+0xc6/0x1e0 [ 5090.528722][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5090.528722][ T74] [ 5090.530307][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5090.530307][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5090.530307][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5090.530307][ T74] ipv6_find_idev+0x102/0x170 [ 5090.530307][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5090.530307][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5090.530307][ T74] netlink_rcv_skb+0x130/0x360 [ 5090.530307][ T74] netlink_unicast+0x449/0x710 [ 5090.530307][ T74] netlink_sendmsg+0x723/0xbe0 [ 5090.530307][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5090.530307][ T74] ___sys_sendmsg+0xee/0x170 [ 5090.530307][ T74] __sys_sendmsg+0xcd/0x170 [ 5090.530307][ T74] do_syscall_64+0xc6/0x1e0 [ 5090.530307][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5090.530307][ T74] [ 5100.703896][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5100.704328][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5100.704328][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5100.704328][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5100.704328][ T74] fib6_nh_init+0xa22/0x1580 [ 5100.704328][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5100.704328][ T74] ip6_route_add+0x1c/0x140 [ 5100.704328][ T74] inet6_rtm_newroute+0x104/0x110 [ 5100.704328][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5100.704328][ T74] netlink_rcv_skb+0x130/0x360 [ 5100.704328][ T74] netlink_unicast+0x449/0x710 [ 5100.704328][ T74] netlink_sendmsg+0x723/0xbe0 [ 5100.704328][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5100.704328][ T74] ___sys_sendmsg+0xee/0x170 [ 5100.704328][ T74] __sys_sendmsg+0xcd/0x170 [ 5100.704328][ T74] do_syscall_64+0xc6/0x1e0 [ 5100.704328][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5100.704328][ T74] [ 5100.706219][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5100.706219][ T74] netdev_get_by_index+0x5e/0x80 [ 5100.706219][ T74] fib6_nh_init+0x3d8/0x1580 [ 5100.706219][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5100.706219][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5100.706219][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5100.706219][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5100.706219][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5100.706219][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5100.706219][ T74] addrconf_dad_begin+0x310/0x670 [ 5100.706219][ T74] addrconf_dad_work+0x10b/0xab0 [ 5100.706219][ T74] process_one_work+0x84d/0x18a0 [ 5100.706219][ T74] worker_thread+0x587/0xd30 [ 5100.706219][ T74] kthread+0x28a/0x350 [ 5100.706219][ T74] ret_from_fork+0x31/0x70 [ 5100.706219][ T74] ret_from_fork_asm+0x1a/0x30 [ 5100.706219][ T74] [ 5100.708183][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5100.708183][ T74] netdev_get_by_index+0x5e/0x80 [ 5100.708183][ T74] fib6_nh_init+0x3d8/0x1580 [ 5100.708183][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5100.708183][ T74] ip6_route_add+0x1c/0x140 [ 5100.708183][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5100.708183][ T74] inet6_addr_add+0x4f8/0xa40 [ 5100.708183][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5100.708183][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5100.708183][ T74] netlink_rcv_skb+0x130/0x360 [ 5100.708183][ T74] netlink_unicast+0x449/0x710 [ 5100.708183][ T74] netlink_sendmsg+0x723/0xbe0 [ 5100.708183][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5100.708183][ T74] ___sys_sendmsg+0xee/0x170 [ 5100.708183][ T74] __sys_sendmsg+0xcd/0x170 [ 5100.708183][ T74] do_syscall_64+0xc6/0x1e0 [ 5100.708183][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5100.708183][ T74] [ 5100.710182][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5100.710182][ T74] netdev_get_by_index+0x5e/0x80 [ 5100.710182][ T74] fib6_nh_init+0x3d8/0x1580 [ 5100.710182][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5100.710182][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5100.710182][ T74] ipv6_add_addr+0x411/0x2000 [ 5100.710182][ T74] inet6_addr_add+0x30e/0xa40 [ 5100.710182][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5100.710182][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5100.710182][ T74] netlink_rcv_skb+0x130/0x360 [ 5100.710182][ T74] netlink_unicast+0x449/0x710 [ 5100.710182][ T74] netlink_sendmsg+0x723/0xbe0 [ 5100.710182][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5100.710182][ T74] ___sys_sendmsg+0xee/0x170 [ 5100.710182][ T74] __sys_sendmsg+0xcd/0x170 [ 5100.710182][ T74] do_syscall_64+0xc6/0x1e0 [ 5100.710182][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5100.710182][ T74] [ 5100.712168][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5100.712168][ T74] netdev_get_by_index+0x5e/0x80 [ 5100.712168][ T74] fib6_nh_init+0x3d8/0x1580 [ 5100.712168][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5100.712168][ T74] ip6_route_add+0x1c/0x140 [ 5100.712168][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5100.712168][ T74] addrconf_add_dev+0xe2/0x170 [ 5100.712168][ T74] inet6_addr_add+0x12f/0xa40 [ 5100.712168][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5100.712168][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5100.712168][ T74] netlink_rcv_skb+0x130/0x360 [ 5100.712168][ T74] netlink_unicast+0x449/0x710 [ 5100.712168][ T74] netlink_sendmsg+0x723/0xbe0 [ 5100.712168][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5100.712168][ T74] ___sys_sendmsg+0xee/0x170 [ 5100.712168][ T74] __sys_sendmsg+0xcd/0x170 [ 5100.712168][ T74] do_syscall_64+0xc6/0x1e0 [ 5100.712168][ T74] [ 5100.714124][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5100.714124][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5100.714124][ T74] ipv6_find_idev+0x102/0x170 [ 5100.714124][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5100.714124][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5100.714124][ T74] netlink_rcv_skb+0x130/0x360 [ 5100.714124][ T74] netlink_unicast+0x449/0x710 [ 5100.714124][ T74] netlink_sendmsg+0x723/0xbe0 [ 5100.714124][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5100.714124][ T74] ___sys_sendmsg+0xee/0x170 [ 5100.714124][ T74] __sys_sendmsg+0xcd/0x170 [ 5100.714124][ T74] do_syscall_64+0xc6/0x1e0 [ 5100.714124][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5100.714124][ T74] [ 5100.715660][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5100.715660][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5100.715660][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5100.715660][ T74] ipv6_find_idev+0x102/0x170 [ 5100.715660][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5100.715660][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5100.715660][ T74] netlink_rcv_skb+0x130/0x360 [ 5100.715660][ T74] netlink_unicast+0x449/0x710 [ 5100.715660][ T74] netlink_sendmsg+0x723/0xbe0 [ 5100.715660][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5100.715660][ T74] ___sys_sendmsg+0xee/0x170 [ 5100.715660][ T74] __sys_sendmsg+0xcd/0x170 [ 5100.715660][ T74] do_syscall_64+0xc6/0x1e0 [ 5100.715660][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5100.715660][ T74] [ 5100.717329][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5100.717641][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5100.717641][ T74] dst_init+0x84/0x4a0 [ 5100.717641][ T74] dst_alloc+0x97/0x150 [ 5100.717641][ T74] ip6_dst_alloc+0x23/0x90 [ 5100.717641][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5100.717641][ T74] ip6_pol_route+0x56f/0x840 [ 5100.717641][ T74] fib6_rule_lookup+0x456/0x630 [ 5100.717641][ T74] ip6_route_input+0x59c/0xa50 [ 5100.717641][ T74] ipv6_rcv+0x397/0x810 [ 5100.717641][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5100.717641][ T74] process_backlog+0x101/0x620 [ 5100.717641][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5100.717641][ T74] net_rx_action+0x495/0xbe0 [ 5100.717641][ T74] __do_softirq+0x1b5/0x7f6 [ 5100.717641][ T74] [ 5100.719493][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5100.719493][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5100.719493][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5100.719493][ T74] fib6_nh_init+0xa22/0x1580 [ 5100.719493][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5100.719493][ T74] ip6_route_add+0x1c/0x140 [ 5100.719493][ T74] inet6_rtm_newroute+0x104/0x110 [ 5100.719493][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5100.719493][ T74] netlink_rcv_skb+0x130/0x360 [ 5100.719493][ T74] netlink_unicast+0x449/0x710 [ 5100.719493][ T74] netlink_sendmsg+0x723/0xbe0 [ 5100.719493][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5100.719493][ T74] ___sys_sendmsg+0xee/0x170 [ 5100.719493][ T74] __sys_sendmsg+0xcd/0x170 [ 5100.719493][ T74] do_syscall_64+0xc6/0x1e0 [ 5100.719493][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5100.719493][ T74] [ 5100.722084][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5100.722084][ T74] netdev_get_by_index+0x5e/0x80 [ 5100.722084][ T74] fib6_nh_init+0x3d8/0x1580 [ 5100.722084][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5100.722084][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5100.722084][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5100.722084][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5100.722084][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5100.722084][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5100.722084][ T74] addrconf_dad_begin+0x310/0x670 [ 5100.722084][ T74] addrconf_dad_work+0x10b/0xab0 [ 5100.722084][ T74] process_one_work+0x84d/0x18a0 [ 5100.722084][ T74] worker_thread+0x587/0xd30 [ 5100.722084][ T74] kthread+0x28a/0x350 [ 5100.722084][ T74] ret_from_fork+0x31/0x70 [ 5100.722084][ T74] ret_from_fork_asm+0x1a/0x30 [ 5100.722084][ T74] [ 5100.724583][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5100.724583][ T74] netdev_get_by_index+0x5e/0x80 [ 5100.724583][ T74] fib6_nh_init+0x3d8/0x1580 [ 5100.724583][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5100.724583][ T74] ip6_route_add+0x1c/0x140 [ 5100.724583][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5100.724583][ T74] inet6_addr_add+0x4f8/0xa40 [ 5100.724583][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5100.724583][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5100.724583][ T74] netlink_rcv_skb+0x130/0x360 [ 5100.724583][ T74] netlink_unicast+0x449/0x710 [ 5100.724583][ T74] netlink_sendmsg+0x723/0xbe0 [ 5100.724583][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5100.724583][ T74] ___sys_sendmsg+0xee/0x170 [ 5100.724583][ T74] __sys_sendmsg+0xcd/0x170 [ 5100.724583][ T74] do_syscall_64+0xc6/0x1e0 [ 5100.724583][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5100.724583][ T74] [ 5100.727037][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5100.727037][ T74] netdev_get_by_index+0x5e/0x80 [ 5100.727037][ T74] fib6_nh_init+0x3d8/0x1580 [ 5100.727037][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5100.727037][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5100.727037][ T74] ipv6_add_addr+0x411/0x2000 [ 5100.727037][ T74] inet6_addr_add+0x30e/0xa40 [ 5100.727037][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5100.727037][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5100.727037][ T74] netlink_rcv_skb+0x130/0x360 [ 5100.727037][ T74] netlink_unicast+0x449/0x710 [ 5100.727037][ T74] netlink_sendmsg+0x723/0xbe0 [ 5100.727037][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5100.727037][ T74] ___sys_sendmsg+0xee/0x170 [ 5100.727037][ T74] __sys_sendmsg+0xcd/0x170 [ 5100.727037][ T74] do_syscall_64+0xc6/0x1e0 [ 5100.727037][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5100.727037][ T74] [ 5100.729508][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5100.729508][ T74] netdev_get_by_index+0x5e/0x80 [ 5100.729508][ T74] fib6_nh_init+0x3d8/0x1580 [ 5100.729508][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5100.729508][ T74] ip6_route_add+0x1c/0x140 [ 5100.729508][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5100.729508][ T74] addrconf_add_dev+0xe2/0x170 [ 5100.729508][ T74] inet6_addr_add+0x12f/0xa40 [ 5100.729508][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5100.729508][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5100.729508][ T74] netlink_rcv_skb+0x130/0x360 [ 5100.729508][ T74] netlink_unicast+0x449/0x710 [ 5100.729508][ T74] netlink_sendmsg+0x723/0xbe0 [ 5100.729508][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5100.729508][ T74] ___sys_sendmsg+0xee/0x170 [ 5100.729508][ T74] __sys_sendmsg+0xcd/0x170 [ 5100.729508][ T74] do_syscall_64+0xc6/0x1e0 [ 5100.729508][ T74] [ 5100.732144][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5100.732144][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5100.732144][ T74] ipv6_find_idev+0x102/0x170 [ 5100.732144][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5100.732144][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5100.732144][ T74] netlink_rcv_skb+0x130/0x360 [ 5100.732144][ T74] netlink_unicast+0x449/0x710 [ 5100.732144][ T74] netlink_sendmsg+0x723/0xbe0 [ 5100.732144][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5100.732144][ T74] ___sys_sendmsg+0xee/0x170 [ 5100.732144][ T74] __sys_sendmsg+0xcd/0x170 [ 5100.732144][ T74] do_syscall_64+0xc6/0x1e0 [ 5100.732144][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5100.732144][ T74] [ 5100.734236][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5100.734236][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5100.734236][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5100.734236][ T74] ipv6_find_idev+0x102/0x170 [ 5100.734236][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5100.734236][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5100.734236][ T74] netlink_rcv_skb+0x130/0x360 [ 5100.734236][ T74] netlink_unicast+0x449/0x710 [ 5100.734236][ T74] netlink_sendmsg+0x723/0xbe0 [ 5100.734236][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5100.734236][ T74] ___sys_sendmsg+0xee/0x170 [ 5100.734236][ T74] __sys_sendmsg+0xcd/0x170 [ 5100.734236][ T74] do_syscall_64+0xc6/0x1e0 [ 5100.734236][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5100.734236][ T74] [ 5100.736555][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5100.736875][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5100.736875][ T74] netdev_get_by_index+0x5e/0x80 [ 5100.736875][ T74] fib6_nh_init+0x3d8/0x1580 [ 5100.736875][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5100.736875][ T74] ip6_route_add+0x1c/0x140 [ 5100.736875][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5100.736875][ T74] inet6_addr_add+0x4f8/0xa40 [ 5100.736875][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5100.736875][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5100.736875][ T74] netlink_rcv_skb+0x130/0x360 [ 5100.736875][ T74] netlink_unicast+0x449/0x710 [ 5100.736875][ T74] netlink_sendmsg+0x723/0xbe0 [ 5100.736875][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5100.736875][ T74] ___sys_sendmsg+0xee/0x170 [ 5100.736875][ T74] __sys_sendmsg+0xcd/0x170 [ 5100.736875][ T74] do_syscall_64+0xc6/0x1e0 [ 5100.736875][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5100.736875][ T74] [ 5100.739523][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5100.739523][ T74] netdev_get_by_index+0x5e/0x80 [ 5100.739523][ T74] fib6_nh_init+0x3d8/0x1580 [ 5100.739523][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5100.739523][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5100.739523][ T74] ipv6_add_addr+0x411/0x2000 [ 5100.739523][ T74] inet6_addr_add+0x30e/0xa40 [ 5100.739523][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5100.739523][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5100.739523][ T74] netlink_rcv_skb+0x130/0x360 [ 5100.739523][ T74] netlink_unicast+0x449/0x710 [ 5100.739523][ T74] netlink_sendmsg+0x723/0xbe0 [ 5100.739523][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5100.739523][ T74] ___sys_sendmsg+0xee/0x170 [ 5100.739523][ T74] __sys_sendmsg+0xcd/0x170 [ 5100.739523][ T74] do_syscall_64+0xc6/0x1e0 [ 5100.739523][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5100.739523][ T74] [ 5100.742175][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5100.742175][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5100.742175][ T74] ipv6_find_idev+0x102/0x170 [ 5100.742175][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5100.742175][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5100.742175][ T74] netlink_rcv_skb+0x130/0x360 [ 5100.742175][ T74] netlink_unicast+0x449/0x710 [ 5100.742175][ T74] netlink_sendmsg+0x723/0xbe0 [ 5100.742175][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5100.742175][ T74] ___sys_sendmsg+0xee/0x170 [ 5100.742175][ T74] __sys_sendmsg+0xcd/0x170 [ 5100.742175][ T74] do_syscall_64+0xc6/0x1e0 [ 5100.742175][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5100.742175][ T74] [ 5100.744166][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5100.744166][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5100.744166][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5100.744166][ T74] ipv6_find_idev+0x102/0x170 [ 5100.744166][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5100.744166][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5100.744166][ T74] netlink_rcv_skb+0x130/0x360 [ 5100.744166][ T74] netlink_unicast+0x449/0x710 [ 5100.744166][ T74] netlink_sendmsg+0x723/0xbe0 [ 5100.744166][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5100.744166][ T74] ___sys_sendmsg+0xee/0x170 [ 5100.744166][ T74] __sys_sendmsg+0xcd/0x170 [ 5100.744166][ T74] do_syscall_64+0xc6/0x1e0 [ 5100.744166][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5100.744166][ T74] [ 5110.775996][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5110.776419][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5110.776419][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5110.776419][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5110.776419][ T74] fib6_nh_init+0xa22/0x1580 [ 5110.776419][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5110.776419][ T74] ip6_route_add+0x1c/0x140 [ 5110.776419][ T74] inet6_rtm_newroute+0x104/0x110 [ 5110.776419][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5110.776419][ T74] netlink_rcv_skb+0x130/0x360 [ 5110.776419][ T74] netlink_unicast+0x449/0x710 [ 5110.776419][ T74] netlink_sendmsg+0x723/0xbe0 [ 5110.776419][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5110.776419][ T74] ___sys_sendmsg+0xee/0x170 [ 5110.776419][ T74] __sys_sendmsg+0xcd/0x170 [ 5110.776419][ T74] do_syscall_64+0xc6/0x1e0 [ 5110.776419][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5110.776419][ T74] [ 5110.778359][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5110.778359][ T74] netdev_get_by_index+0x5e/0x80 [ 5110.778359][ T74] fib6_nh_init+0x3d8/0x1580 [ 5110.778359][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5110.778359][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5110.778359][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5110.778359][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5110.778359][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5110.778359][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5110.778359][ T74] addrconf_dad_begin+0x310/0x670 [ 5110.778359][ T74] addrconf_dad_work+0x10b/0xab0 [ 5110.778359][ T74] process_one_work+0x84d/0x18a0 [ 5110.778359][ T74] worker_thread+0x587/0xd30 [ 5110.778359][ T74] kthread+0x28a/0x350 [ 5110.778359][ T74] ret_from_fork+0x31/0x70 [ 5110.778359][ T74] ret_from_fork_asm+0x1a/0x30 [ 5110.778359][ T74] [ 5110.780339][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5110.780339][ T74] netdev_get_by_index+0x5e/0x80 [ 5110.780339][ T74] fib6_nh_init+0x3d8/0x1580 [ 5110.780339][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5110.780339][ T74] ip6_route_add+0x1c/0x140 [ 5110.780339][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5110.780339][ T74] inet6_addr_add+0x4f8/0xa40 [ 5110.780339][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5110.780339][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5110.780339][ T74] netlink_rcv_skb+0x130/0x360 [ 5110.780339][ T74] netlink_unicast+0x449/0x710 [ 5110.780339][ T74] netlink_sendmsg+0x723/0xbe0 [ 5110.780339][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5110.780339][ T74] ___sys_sendmsg+0xee/0x170 [ 5110.780339][ T74] __sys_sendmsg+0xcd/0x170 [ 5110.780339][ T74] do_syscall_64+0xc6/0x1e0 [ 5110.780339][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5110.780339][ T74] [ 5110.782401][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5110.782401][ T74] netdev_get_by_index+0x5e/0x80 [ 5110.782401][ T74] fib6_nh_init+0x3d8/0x1580 [ 5110.782401][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5110.782401][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5110.782401][ T74] ipv6_add_addr+0x411/0x2000 [ 5110.782401][ T74] inet6_addr_add+0x30e/0xa40 [ 5110.782401][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5110.782401][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5110.782401][ T74] netlink_rcv_skb+0x130/0x360 [ 5110.782401][ T74] netlink_unicast+0x449/0x710 [ 5110.782401][ T74] netlink_sendmsg+0x723/0xbe0 [ 5110.782401][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5110.782401][ T74] ___sys_sendmsg+0xee/0x170 [ 5110.782401][ T74] __sys_sendmsg+0xcd/0x170 [ 5110.782401][ T74] do_syscall_64+0xc6/0x1e0 [ 5110.782401][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5110.782401][ T74] [ 5110.784427][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5110.784427][ T74] netdev_get_by_index+0x5e/0x80 [ 5110.784427][ T74] fib6_nh_init+0x3d8/0x1580 [ 5110.784427][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5110.784427][ T74] ip6_route_add+0x1c/0x140 [ 5110.784427][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5110.784427][ T74] addrconf_add_dev+0xe2/0x170 [ 5110.784427][ T74] inet6_addr_add+0x12f/0xa40 [ 5110.784427][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5110.784427][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5110.784427][ T74] netlink_rcv_skb+0x130/0x360 [ 5110.784427][ T74] netlink_unicast+0x449/0x710 [ 5110.784427][ T74] netlink_sendmsg+0x723/0xbe0 [ 5110.784427][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5110.784427][ T74] ___sys_sendmsg+0xee/0x170 [ 5110.784427][ T74] __sys_sendmsg+0xcd/0x170 [ 5110.784427][ T74] do_syscall_64+0xc6/0x1e0 [ 5110.784427][ T74] [ 5110.786417][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5110.786417][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5110.786417][ T74] ipv6_find_idev+0x102/0x170 [ 5110.786417][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5110.786417][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5110.786417][ T74] netlink_rcv_skb+0x130/0x360 [ 5110.786417][ T74] netlink_unicast+0x449/0x710 [ 5110.786417][ T74] netlink_sendmsg+0x723/0xbe0 [ 5110.786417][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5110.786417][ T74] ___sys_sendmsg+0xee/0x170 [ 5110.786417][ T74] __sys_sendmsg+0xcd/0x170 [ 5110.786417][ T74] do_syscall_64+0xc6/0x1e0 [ 5110.786417][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5110.786417][ T74] [ 5110.787977][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5110.787977][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5110.787977][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5110.787977][ T74] ipv6_find_idev+0x102/0x170 [ 5110.787977][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5110.787977][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5110.787977][ T74] netlink_rcv_skb+0x130/0x360 [ 5110.787977][ T74] netlink_unicast+0x449/0x710 [ 5110.787977][ T74] netlink_sendmsg+0x723/0xbe0 [ 5110.787977][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5110.787977][ T74] ___sys_sendmsg+0xee/0x170 [ 5110.787977][ T74] __sys_sendmsg+0xcd/0x170 [ 5110.787977][ T74] do_syscall_64+0xc6/0x1e0 [ 5110.787977][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5110.787977][ T74] [ 5110.789664][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5110.789949][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5110.789949][ T74] dst_init+0x84/0x4a0 [ 5110.789949][ T74] dst_alloc+0x97/0x150 [ 5110.789949][ T74] ip6_dst_alloc+0x23/0x90 [ 5110.789949][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5110.789949][ T74] ip6_pol_route+0x56f/0x840 [ 5110.789949][ T74] fib6_rule_lookup+0x456/0x630 [ 5110.789949][ T74] ip6_route_input+0x59c/0xa50 [ 5110.789949][ T74] ipv6_rcv+0x397/0x810 [ 5110.789949][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5110.789949][ T74] process_backlog+0x101/0x620 [ 5110.789949][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5110.789949][ T74] net_rx_action+0x495/0xbe0 [ 5110.789949][ T74] __do_softirq+0x1b5/0x7f6 [ 5110.789949][ T74] [ 5110.791604][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5110.791604][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5110.791604][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5110.791604][ T74] fib6_nh_init+0xa22/0x1580 [ 5110.791604][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5110.791604][ T74] ip6_route_add+0x1c/0x140 [ 5110.791604][ T74] inet6_rtm_newroute+0x104/0x110 [ 5110.791604][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5110.791604][ T74] netlink_rcv_skb+0x130/0x360 [ 5110.791604][ T74] netlink_unicast+0x449/0x710 [ 5110.791604][ T74] netlink_sendmsg+0x723/0xbe0 [ 5110.791604][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5110.791604][ T74] ___sys_sendmsg+0xee/0x170 [ 5110.791604][ T74] __sys_sendmsg+0xcd/0x170 [ 5110.791604][ T74] do_syscall_64+0xc6/0x1e0 [ 5110.791604][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5110.791604][ T74] [ 5110.793486][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5110.793486][ T74] netdev_get_by_index+0x5e/0x80 [ 5110.793486][ T74] fib6_nh_init+0x3d8/0x1580 [ 5110.793486][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5110.793486][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5110.793486][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5110.793486][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5110.793486][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5110.793486][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5110.793486][ T74] addrconf_dad_begin+0x310/0x670 [ 5110.793486][ T74] addrconf_dad_work+0x10b/0xab0 [ 5110.793486][ T74] process_one_work+0x84d/0x18a0 [ 5110.793486][ T74] worker_thread+0x587/0xd30 [ 5110.793486][ T74] kthread+0x28a/0x350 [ 5110.793486][ T74] ret_from_fork+0x31/0x70 [ 5110.793486][ T74] ret_from_fork_asm+0x1a/0x30 [ 5110.793486][ T74] [ 5110.795407][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5110.795407][ T74] netdev_get_by_index+0x5e/0x80 [ 5110.795407][ T74] fib6_nh_init+0x3d8/0x1580 [ 5110.795407][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5110.795407][ T74] ip6_route_add+0x1c/0x140 [ 5110.795407][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5110.795407][ T74] inet6_addr_add+0x4f8/0xa40 [ 5110.795407][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5110.795407][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5110.795407][ T74] netlink_rcv_skb+0x130/0x360 [ 5110.795407][ T74] netlink_unicast+0x449/0x710 [ 5110.795407][ T74] netlink_sendmsg+0x723/0xbe0 [ 5110.795407][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5110.795407][ T74] ___sys_sendmsg+0xee/0x170 [ 5110.795407][ T74] __sys_sendmsg+0xcd/0x170 [ 5110.795407][ T74] do_syscall_64+0xc6/0x1e0 [ 5110.795407][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5110.795407][ T74] [ 5110.797414][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5110.797414][ T74] netdev_get_by_index+0x5e/0x80 [ 5110.797414][ T74] fib6_nh_init+0x3d8/0x1580 [ 5110.797414][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5110.797414][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5110.797414][ T74] ipv6_add_addr+0x411/0x2000 [ 5110.797414][ T74] inet6_addr_add+0x30e/0xa40 [ 5110.797414][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5110.797414][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5110.797414][ T74] netlink_rcv_skb+0x130/0x360 [ 5110.797414][ T74] netlink_unicast+0x449/0x710 [ 5110.797414][ T74] netlink_sendmsg+0x723/0xbe0 [ 5110.797414][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5110.797414][ T74] ___sys_sendmsg+0xee/0x170 [ 5110.797414][ T74] __sys_sendmsg+0xcd/0x170 [ 5110.797414][ T74] do_syscall_64+0xc6/0x1e0 [ 5110.797414][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5110.797414][ T74] [ 5110.799438][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5110.799438][ T74] netdev_get_by_index+0x5e/0x80 [ 5110.799438][ T74] fib6_nh_init+0x3d8/0x1580 [ 5110.799438][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5110.799438][ T74] ip6_route_add+0x1c/0x140 [ 5110.799438][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5110.799438][ T74] addrconf_add_dev+0xe2/0x170 [ 5110.799438][ T74] inet6_addr_add+0x12f/0xa40 [ 5110.799438][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5110.799438][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5110.799438][ T74] netlink_rcv_skb+0x130/0x360 [ 5110.799438][ T74] netlink_unicast+0x449/0x710 [ 5110.799438][ T74] netlink_sendmsg+0x723/0xbe0 [ 5110.799438][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5110.799438][ T74] ___sys_sendmsg+0xee/0x170 [ 5110.799438][ T74] __sys_sendmsg+0xcd/0x170 [ 5110.799438][ T74] do_syscall_64+0xc6/0x1e0 [ 5110.799438][ T74] [ 5110.801414][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5110.801414][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5110.801414][ T74] ipv6_find_idev+0x102/0x170 [ 5110.801414][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5110.801414][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5110.801414][ T74] netlink_rcv_skb+0x130/0x360 [ 5110.801414][ T74] netlink_unicast+0x449/0x710 [ 5110.801414][ T74] netlink_sendmsg+0x723/0xbe0 [ 5110.801414][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5110.801414][ T74] ___sys_sendmsg+0xee/0x170 [ 5110.801414][ T74] __sys_sendmsg+0xcd/0x170 [ 5110.801414][ T74] do_syscall_64+0xc6/0x1e0 [ 5110.801414][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5110.801414][ T74] [ 5110.803089][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5110.803089][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5110.803089][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5110.803089][ T74] ipv6_find_idev+0x102/0x170 [ 5110.803089][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5110.803089][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5110.803089][ T74] netlink_rcv_skb+0x130/0x360 [ 5110.803089][ T74] netlink_unicast+0x449/0x710 [ 5110.803089][ T74] netlink_sendmsg+0x723/0xbe0 [ 5110.803089][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5110.803089][ T74] ___sys_sendmsg+0xee/0x170 [ 5110.803089][ T74] __sys_sendmsg+0xcd/0x170 [ 5110.803089][ T74] do_syscall_64+0xc6/0x1e0 [ 5110.803089][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5110.803089][ T74] [ 5110.805084][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5110.805326][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5110.805326][ T74] netdev_get_by_index+0x5e/0x80 [ 5110.805326][ T74] fib6_nh_init+0x3d8/0x1580 [ 5110.805326][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5110.805326][ T74] ip6_route_add+0x1c/0x140 [ 5110.805326][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5110.805326][ T74] inet6_addr_add+0x4f8/0xa40 [ 5110.805326][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5110.805326][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5110.805326][ T74] netlink_rcv_skb+0x130/0x360 [ 5110.805326][ T74] netlink_unicast+0x449/0x710 [ 5110.805326][ T74] netlink_sendmsg+0x723/0xbe0 [ 5110.805326][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5110.805326][ T74] ___sys_sendmsg+0xee/0x170 [ 5110.805326][ T74] __sys_sendmsg+0xcd/0x170 [ 5110.805326][ T74] do_syscall_64+0xc6/0x1e0 [ 5110.805326][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5110.805326][ T74] [ 5110.807571][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5110.807571][ T74] netdev_get_by_index+0x5e/0x80 [ 5110.807571][ T74] fib6_nh_init+0x3d8/0x1580 [ 5110.807571][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5110.807571][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5110.807571][ T74] ipv6_add_addr+0x411/0x2000 [ 5110.807571][ T74] inet6_addr_add+0x30e/0xa40 [ 5110.807571][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5110.807571][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5110.807571][ T74] netlink_rcv_skb+0x130/0x360 [ 5110.807571][ T74] netlink_unicast+0x449/0x710 [ 5110.807571][ T74] netlink_sendmsg+0x723/0xbe0 [ 5110.807571][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5110.807571][ T74] ___sys_sendmsg+0xee/0x170 [ 5110.807571][ T74] __sys_sendmsg+0xcd/0x170 [ 5110.807571][ T74] do_syscall_64+0xc6/0x1e0 [ 5110.807571][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5110.807571][ T74] [ 5110.809812][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5110.809812][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5110.809812][ T74] ipv6_find_idev+0x102/0x170 [ 5110.809812][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5110.809812][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5110.809812][ T74] netlink_rcv_skb+0x130/0x360 [ 5110.809812][ T74] netlink_unicast+0x449/0x710 [ 5110.809812][ T74] netlink_sendmsg+0x723/0xbe0 [ 5110.809812][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5110.809812][ T74] ___sys_sendmsg+0xee/0x170 [ 5110.809812][ T74] __sys_sendmsg+0xcd/0x170 [ 5110.809812][ T74] do_syscall_64+0xc6/0x1e0 [ 5110.809812][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5110.809812][ T74] [ 5110.811412][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5110.811412][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5110.811412][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5110.811412][ T74] ipv6_find_idev+0x102/0x170 [ 5110.811412][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5110.811412][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5110.811412][ T74] netlink_rcv_skb+0x130/0x360 [ 5110.811412][ T74] netlink_unicast+0x449/0x710 [ 5110.811412][ T74] netlink_sendmsg+0x723/0xbe0 [ 5110.811412][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5110.811412][ T74] ___sys_sendmsg+0xee/0x170 [ 5110.811412][ T74] __sys_sendmsg+0xcd/0x170 [ 5110.811412][ T74] do_syscall_64+0xc6/0x1e0 [ 5110.811412][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5110.811412][ T74] [ 5121.055972][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5121.056389][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5121.056389][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5121.056389][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5121.056389][ T74] fib6_nh_init+0xa22/0x1580 [ 5121.056389][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5121.056389][ T74] ip6_route_add+0x1c/0x140 [ 5121.056389][ T74] inet6_rtm_newroute+0x104/0x110 [ 5121.056389][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5121.056389][ T74] netlink_rcv_skb+0x130/0x360 [ 5121.056389][ T74] netlink_unicast+0x449/0x710 [ 5121.056389][ T74] netlink_sendmsg+0x723/0xbe0 [ 5121.056389][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5121.056389][ T74] ___sys_sendmsg+0xee/0x170 [ 5121.056389][ T74] __sys_sendmsg+0xcd/0x170 [ 5121.056389][ T74] do_syscall_64+0xc6/0x1e0 [ 5121.056389][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5121.056389][ T74] [ 5121.058288][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5121.058288][ T74] netdev_get_by_index+0x5e/0x80 [ 5121.058288][ T74] fib6_nh_init+0x3d8/0x1580 [ 5121.058288][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5121.058288][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5121.058288][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5121.058288][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5121.058288][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5121.058288][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5121.058288][ T74] addrconf_dad_begin+0x310/0x670 [ 5121.058288][ T74] addrconf_dad_work+0x10b/0xab0 [ 5121.058288][ T74] process_one_work+0x84d/0x18a0 [ 5121.058288][ T74] worker_thread+0x587/0xd30 [ 5121.058288][ T74] kthread+0x28a/0x350 [ 5121.058288][ T74] ret_from_fork+0x31/0x70 [ 5121.058288][ T74] ret_from_fork_asm+0x1a/0x30 [ 5121.058288][ T74] [ 5121.060222][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5121.060222][ T74] netdev_get_by_index+0x5e/0x80 [ 5121.060222][ T74] fib6_nh_init+0x3d8/0x1580 [ 5121.060222][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5121.060222][ T74] ip6_route_add+0x1c/0x140 [ 5121.060222][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5121.060222][ T74] inet6_addr_add+0x4f8/0xa40 [ 5121.060222][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5121.060222][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5121.060222][ T74] netlink_rcv_skb+0x130/0x360 [ 5121.060222][ T74] netlink_unicast+0x449/0x710 [ 5121.060222][ T74] netlink_sendmsg+0x723/0xbe0 [ 5121.060222][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5121.060222][ T74] ___sys_sendmsg+0xee/0x170 [ 5121.060222][ T74] __sys_sendmsg+0xcd/0x170 [ 5121.060222][ T74] do_syscall_64+0xc6/0x1e0 [ 5121.060222][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5121.060222][ T74] [ 5121.062222][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5121.062222][ T74] netdev_get_by_index+0x5e/0x80 [ 5121.062222][ T74] fib6_nh_init+0x3d8/0x1580 [ 5121.062222][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5121.062222][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5121.062222][ T74] ipv6_add_addr+0x411/0x2000 [ 5121.062222][ T74] inet6_addr_add+0x30e/0xa40 [ 5121.062222][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5121.062222][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5121.062222][ T74] netlink_rcv_skb+0x130/0x360 [ 5121.062222][ T74] netlink_unicast+0x449/0x710 [ 5121.062222][ T74] netlink_sendmsg+0x723/0xbe0 [ 5121.062222][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5121.062222][ T74] ___sys_sendmsg+0xee/0x170 [ 5121.062222][ T74] __sys_sendmsg+0xcd/0x170 [ 5121.062222][ T74] do_syscall_64+0xc6/0x1e0 [ 5121.062222][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5121.062222][ T74] [ 5121.064330][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5121.064330][ T74] netdev_get_by_index+0x5e/0x80 [ 5121.064330][ T74] fib6_nh_init+0x3d8/0x1580 [ 5121.064330][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5121.064330][ T74] ip6_route_add+0x1c/0x140 [ 5121.064330][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5121.064330][ T74] addrconf_add_dev+0xe2/0x170 [ 5121.064330][ T74] inet6_addr_add+0x12f/0xa40 [ 5121.064330][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5121.064330][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5121.064330][ T74] netlink_rcv_skb+0x130/0x360 [ 5121.064330][ T74] netlink_unicast+0x449/0x710 [ 5121.064330][ T74] netlink_sendmsg+0x723/0xbe0 [ 5121.064330][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5121.064330][ T74] ___sys_sendmsg+0xee/0x170 [ 5121.064330][ T74] __sys_sendmsg+0xcd/0x170 [ 5121.064330][ T74] do_syscall_64+0xc6/0x1e0 [ 5121.064330][ T74] [ 5121.066319][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5121.066319][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5121.066319][ T74] ipv6_find_idev+0x102/0x170 [ 5121.066319][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5121.066319][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5121.066319][ T74] netlink_rcv_skb+0x130/0x360 [ 5121.066319][ T74] netlink_unicast+0x449/0x710 [ 5121.066319][ T74] netlink_sendmsg+0x723/0xbe0 [ 5121.066319][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5121.066319][ T74] ___sys_sendmsg+0xee/0x170 [ 5121.066319][ T74] __sys_sendmsg+0xcd/0x170 [ 5121.066319][ T74] do_syscall_64+0xc6/0x1e0 [ 5121.066319][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5121.066319][ T74] [ 5121.067876][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5121.067876][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5121.067876][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5121.067876][ T74] ipv6_find_idev+0x102/0x170 [ 5121.067876][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5121.067876][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5121.067876][ T74] netlink_rcv_skb+0x130/0x360 [ 5121.067876][ T74] netlink_unicast+0x449/0x710 [ 5121.067876][ T74] netlink_sendmsg+0x723/0xbe0 [ 5121.067876][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5121.067876][ T74] ___sys_sendmsg+0xee/0x170 [ 5121.067876][ T74] __sys_sendmsg+0xcd/0x170 [ 5121.067876][ T74] do_syscall_64+0xc6/0x1e0 [ 5121.067876][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5121.067876][ T74] [ 5121.069569][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5121.069848][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5121.069848][ T74] dst_init+0x84/0x4a0 [ 5121.069848][ T74] dst_alloc+0x97/0x150 [ 5121.069848][ T74] ip6_dst_alloc+0x23/0x90 [ 5121.069848][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5121.069848][ T74] ip6_pol_route+0x56f/0x840 [ 5121.069848][ T74] fib6_rule_lookup+0x456/0x630 [ 5121.069848][ T74] ip6_route_input+0x59c/0xa50 [ 5121.069848][ T74] ipv6_rcv+0x397/0x810 [ 5121.069848][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5121.069848][ T74] process_backlog+0x101/0x620 [ 5121.069848][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5121.069848][ T74] net_rx_action+0x495/0xbe0 [ 5121.069848][ T74] __do_softirq+0x1b5/0x7f6 [ 5121.069848][ T74] [ 5121.071496][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5121.071496][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5121.071496][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5121.071496][ T74] fib6_nh_init+0xa22/0x1580 [ 5121.071496][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5121.071496][ T74] ip6_route_add+0x1c/0x140 [ 5121.071496][ T74] inet6_rtm_newroute+0x104/0x110 [ 5121.071496][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5121.071496][ T74] netlink_rcv_skb+0x130/0x360 [ 5121.071496][ T74] netlink_unicast+0x449/0x710 [ 5121.071496][ T74] netlink_sendmsg+0x723/0xbe0 [ 5121.071496][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5121.071496][ T74] ___sys_sendmsg+0xee/0x170 [ 5121.071496][ T74] __sys_sendmsg+0xcd/0x170 [ 5121.071496][ T74] do_syscall_64+0xc6/0x1e0 [ 5121.071496][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5121.071496][ T74] [ 5121.073387][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5121.073387][ T74] netdev_get_by_index+0x5e/0x80 [ 5121.073387][ T74] fib6_nh_init+0x3d8/0x1580 [ 5121.073387][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5121.073387][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5121.073387][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5121.073387][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5121.073387][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5121.073387][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5121.073387][ T74] addrconf_dad_begin+0x310/0x670 [ 5121.073387][ T74] addrconf_dad_work+0x10b/0xab0 [ 5121.073387][ T74] process_one_work+0x84d/0x18a0 [ 5121.073387][ T74] worker_thread+0x587/0xd30 [ 5121.073387][ T74] kthread+0x28a/0x350 [ 5121.073387][ T74] ret_from_fork+0x31/0x70 [ 5121.073387][ T74] ret_from_fork_asm+0x1a/0x30 [ 5121.073387][ T74] [ 5121.075324][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5121.075324][ T74] netdev_get_by_index+0x5e/0x80 [ 5121.075324][ T74] fib6_nh_init+0x3d8/0x1580 [ 5121.075324][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5121.075324][ T74] ip6_route_add+0x1c/0x140 [ 5121.075324][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5121.075324][ T74] inet6_addr_add+0x4f8/0xa40 [ 5121.075324][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5121.075324][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5121.075324][ T74] netlink_rcv_skb+0x130/0x360 [ 5121.075324][ T74] netlink_unicast+0x449/0x710 [ 5121.075324][ T74] netlink_sendmsg+0x723/0xbe0 [ 5121.075324][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5121.075324][ T74] ___sys_sendmsg+0xee/0x170 [ 5121.075324][ T74] __sys_sendmsg+0xcd/0x170 [ 5121.075324][ T74] do_syscall_64+0xc6/0x1e0 [ 5121.075324][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5121.075324][ T74] [ 5121.077327][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5121.077327][ T74] netdev_get_by_index+0x5e/0x80 [ 5121.077327][ T74] fib6_nh_init+0x3d8/0x1580 [ 5121.077327][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5121.077327][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5121.077327][ T74] ipv6_add_addr+0x411/0x2000 [ 5121.077327][ T74] inet6_addr_add+0x30e/0xa40 [ 5121.077327][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5121.077327][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5121.077327][ T74] netlink_rcv_skb+0x130/0x360 [ 5121.077327][ T74] netlink_unicast+0x449/0x710 [ 5121.077327][ T74] netlink_sendmsg+0x723/0xbe0 [ 5121.077327][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5121.077327][ T74] ___sys_sendmsg+0xee/0x170 [ 5121.077327][ T74] __sys_sendmsg+0xcd/0x170 [ 5121.077327][ T74] do_syscall_64+0xc6/0x1e0 [ 5121.077327][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5121.077327][ T74] [ 5121.079334][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5121.079334][ T74] netdev_get_by_index+0x5e/0x80 [ 5121.079334][ T74] fib6_nh_init+0x3d8/0x1580 [ 5121.079334][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5121.079334][ T74] ip6_route_add+0x1c/0x140 [ 5121.079334][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5121.079334][ T74] addrconf_add_dev+0xe2/0x170 [ 5121.079334][ T74] inet6_addr_add+0x12f/0xa40 [ 5121.079334][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5121.079334][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5121.079334][ T74] netlink_rcv_skb+0x130/0x360 [ 5121.079334][ T74] netlink_unicast+0x449/0x710 [ 5121.079334][ T74] netlink_sendmsg+0x723/0xbe0 [ 5121.079334][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5121.079334][ T74] ___sys_sendmsg+0xee/0x170 [ 5121.079334][ T74] __sys_sendmsg+0xcd/0x170 [ 5121.079334][ T74] do_syscall_64+0xc6/0x1e0 [ 5121.079334][ T74] [ 5121.081286][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5121.081286][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5121.081286][ T74] ipv6_find_idev+0x102/0x170 [ 5121.081286][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5121.081286][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5121.081286][ T74] netlink_rcv_skb+0x130/0x360 [ 5121.081286][ T74] netlink_unicast+0x449/0x710 [ 5121.081286][ T74] netlink_sendmsg+0x723/0xbe0 [ 5121.081286][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5121.081286][ T74] ___sys_sendmsg+0xee/0x170 [ 5121.081286][ T74] __sys_sendmsg+0xcd/0x170 [ 5121.081286][ T74] do_syscall_64+0xc6/0x1e0 [ 5121.081286][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5121.081286][ T74] [ 5121.082953][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5121.082953][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5121.082953][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5121.082953][ T74] ipv6_find_idev+0x102/0x170 [ 5121.082953][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5121.082953][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5121.082953][ T74] netlink_rcv_skb+0x130/0x360 [ 5121.082953][ T74] netlink_unicast+0x449/0x710 [ 5121.082953][ T74] netlink_sendmsg+0x723/0xbe0 [ 5121.082953][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5121.082953][ T74] ___sys_sendmsg+0xee/0x170 [ 5121.082953][ T74] __sys_sendmsg+0xcd/0x170 [ 5121.082953][ T74] do_syscall_64+0xc6/0x1e0 [ 5121.082953][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5121.082953][ T74] [ 5121.084945][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5121.085190][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5121.085190][ T74] netdev_get_by_index+0x5e/0x80 [ 5121.085190][ T74] fib6_nh_init+0x3d8/0x1580 [ 5121.085190][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5121.085190][ T74] ip6_route_add+0x1c/0x140 [ 5121.085190][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5121.085190][ T74] inet6_addr_add+0x4f8/0xa40 [ 5121.085190][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5121.085190][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5121.085190][ T74] netlink_rcv_skb+0x130/0x360 [ 5121.085190][ T74] netlink_unicast+0x449/0x710 [ 5121.085190][ T74] netlink_sendmsg+0x723/0xbe0 [ 5121.085190][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5121.085190][ T74] ___sys_sendmsg+0xee/0x170 [ 5121.085190][ T74] __sys_sendmsg+0xcd/0x170 [ 5121.085190][ T74] do_syscall_64+0xc6/0x1e0 [ 5121.085190][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5121.085190][ T74] [ 5121.087449][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5121.087449][ T74] netdev_get_by_index+0x5e/0x80 [ 5121.087449][ T74] fib6_nh_init+0x3d8/0x1580 [ 5121.087449][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5121.087449][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5121.087449][ T74] ipv6_add_addr+0x411/0x2000 [ 5121.087449][ T74] inet6_addr_add+0x30e/0xa40 [ 5121.087449][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5121.087449][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5121.087449][ T74] netlink_rcv_skb+0x130/0x360 [ 5121.087449][ T74] netlink_unicast+0x449/0x710 [ 5121.087449][ T74] netlink_sendmsg+0x723/0xbe0 [ 5121.087449][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5121.087449][ T74] ___sys_sendmsg+0xee/0x170 [ 5121.087449][ T74] __sys_sendmsg+0xcd/0x170 [ 5121.087449][ T74] do_syscall_64+0xc6/0x1e0 [ 5121.087449][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5121.087449][ T74] [ 5121.089721][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5121.089721][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5121.089721][ T74] ipv6_find_idev+0x102/0x170 [ 5121.089721][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5121.089721][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5121.089721][ T74] netlink_rcv_skb+0x130/0x360 [ 5121.089721][ T74] netlink_unicast+0x449/0x710 [ 5121.089721][ T74] netlink_sendmsg+0x723/0xbe0 [ 5121.089721][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5121.089721][ T74] ___sys_sendmsg+0xee/0x170 [ 5121.089721][ T74] __sys_sendmsg+0xcd/0x170 [ 5121.089721][ T74] do_syscall_64+0xc6/0x1e0 [ 5121.089721][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5121.089721][ T74] [ 5121.091400][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5121.091400][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5121.091400][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5121.091400][ T74] ipv6_find_idev+0x102/0x170 [ 5121.091400][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5121.091400][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5121.091400][ T74] netlink_rcv_skb+0x130/0x360 [ 5121.091400][ T74] netlink_unicast+0x449/0x710 [ 5121.091400][ T74] netlink_sendmsg+0x723/0xbe0 [ 5121.091400][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5121.091400][ T74] ___sys_sendmsg+0xee/0x170 [ 5121.091400][ T74] __sys_sendmsg+0xcd/0x170 [ 5121.091400][ T74] do_syscall_64+0xc6/0x1e0 [ 5121.091400][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5121.091400][ T74] [ 5131.335959][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5131.336332][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5131.336332][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5131.336332][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5131.336332][ T74] fib6_nh_init+0xa22/0x1580 [ 5131.336332][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5131.336332][ T74] ip6_route_add+0x1c/0x140 [ 5131.336332][ T74] inet6_rtm_newroute+0x104/0x110 [ 5131.336332][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5131.336332][ T74] netlink_rcv_skb+0x130/0x360 [ 5131.336332][ T74] netlink_unicast+0x449/0x710 [ 5131.336332][ T74] netlink_sendmsg+0x723/0xbe0 [ 5131.336332][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5131.336332][ T74] ___sys_sendmsg+0xee/0x170 [ 5131.336332][ T74] __sys_sendmsg+0xcd/0x170 [ 5131.336332][ T74] do_syscall_64+0xc6/0x1e0 [ 5131.336332][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5131.336332][ T74] [ 5131.338242][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5131.338242][ T74] netdev_get_by_index+0x5e/0x80 [ 5131.338242][ T74] fib6_nh_init+0x3d8/0x1580 [ 5131.338242][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5131.338242][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5131.338242][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5131.338242][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5131.338242][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5131.338242][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5131.338242][ T74] addrconf_dad_begin+0x310/0x670 [ 5131.338242][ T74] addrconf_dad_work+0x10b/0xab0 [ 5131.338242][ T74] process_one_work+0x84d/0x18a0 [ 5131.338242][ T74] worker_thread+0x587/0xd30 [ 5131.338242][ T74] kthread+0x28a/0x350 [ 5131.338242][ T74] ret_from_fork+0x31/0x70 [ 5131.338242][ T74] ret_from_fork_asm+0x1a/0x30 [ 5131.338242][ T74] [ 5131.340180][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5131.340180][ T74] netdev_get_by_index+0x5e/0x80 [ 5131.340180][ T74] fib6_nh_init+0x3d8/0x1580 [ 5131.340180][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5131.340180][ T74] ip6_route_add+0x1c/0x140 [ 5131.340180][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5131.340180][ T74] inet6_addr_add+0x4f8/0xa40 [ 5131.340180][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5131.340180][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5131.340180][ T74] netlink_rcv_skb+0x130/0x360 [ 5131.340180][ T74] netlink_unicast+0x449/0x710 [ 5131.340180][ T74] netlink_sendmsg+0x723/0xbe0 [ 5131.340180][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5131.340180][ T74] ___sys_sendmsg+0xee/0x170 [ 5131.340180][ T74] __sys_sendmsg+0xcd/0x170 [ 5131.340180][ T74] do_syscall_64+0xc6/0x1e0 [ 5131.340180][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5131.340180][ T74] [ 5131.342178][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5131.342178][ T74] netdev_get_by_index+0x5e/0x80 [ 5131.342178][ T74] fib6_nh_init+0x3d8/0x1580 [ 5131.342178][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5131.342178][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5131.342178][ T74] ipv6_add_addr+0x411/0x2000 [ 5131.342178][ T74] inet6_addr_add+0x30e/0xa40 [ 5131.342178][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5131.342178][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5131.342178][ T74] netlink_rcv_skb+0x130/0x360 [ 5131.342178][ T74] netlink_unicast+0x449/0x710 [ 5131.342178][ T74] netlink_sendmsg+0x723/0xbe0 [ 5131.342178][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5131.342178][ T74] ___sys_sendmsg+0xee/0x170 [ 5131.342178][ T74] __sys_sendmsg+0xcd/0x170 [ 5131.342178][ T74] do_syscall_64+0xc6/0x1e0 [ 5131.342178][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5131.342178][ T74] [ 5131.344179][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5131.344179][ T74] netdev_get_by_index+0x5e/0x80 [ 5131.344179][ T74] fib6_nh_init+0x3d8/0x1580 [ 5131.344179][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5131.344179][ T74] ip6_route_add+0x1c/0x140 [ 5131.344179][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5131.344179][ T74] addrconf_add_dev+0xe2/0x170 [ 5131.344179][ T74] inet6_addr_add+0x12f/0xa40 [ 5131.344179][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5131.344179][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5131.344179][ T74] netlink_rcv_skb+0x130/0x360 [ 5131.344179][ T74] netlink_unicast+0x449/0x710 [ 5131.344179][ T74] netlink_sendmsg+0x723/0xbe0 [ 5131.344179][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5131.344179][ T74] ___sys_sendmsg+0xee/0x170 [ 5131.344179][ T74] __sys_sendmsg+0xcd/0x170 [ 5131.344179][ T74] do_syscall_64+0xc6/0x1e0 [ 5131.344179][ T74] [ 5131.346157][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5131.346157][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5131.346157][ T74] ipv6_find_idev+0x102/0x170 [ 5131.346157][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5131.346157][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5131.346157][ T74] netlink_rcv_skb+0x130/0x360 [ 5131.346157][ T74] netlink_unicast+0x449/0x710 [ 5131.346157][ T74] netlink_sendmsg+0x723/0xbe0 [ 5131.346157][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5131.346157][ T74] ___sys_sendmsg+0xee/0x170 [ 5131.346157][ T74] __sys_sendmsg+0xcd/0x170 [ 5131.346157][ T74] do_syscall_64+0xc6/0x1e0 [ 5131.346157][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5131.346157][ T74] [ 5131.347691][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5131.347691][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5131.347691][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5131.347691][ T74] ipv6_find_idev+0x102/0x170 [ 5131.347691][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5131.347691][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5131.347691][ T74] netlink_rcv_skb+0x130/0x360 [ 5131.347691][ T74] netlink_unicast+0x449/0x710 [ 5131.347691][ T74] netlink_sendmsg+0x723/0xbe0 [ 5131.347691][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5131.347691][ T74] ___sys_sendmsg+0xee/0x170 [ 5131.347691][ T74] __sys_sendmsg+0xcd/0x170 [ 5131.347691][ T74] do_syscall_64+0xc6/0x1e0 [ 5131.347691][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5131.347691][ T74] [ 5131.349380][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5131.349658][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5131.349658][ T74] dst_init+0x84/0x4a0 [ 5131.349658][ T74] dst_alloc+0x97/0x150 [ 5131.349658][ T74] ip6_dst_alloc+0x23/0x90 [ 5131.349658][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5131.349658][ T74] ip6_pol_route+0x56f/0x840 [ 5131.349658][ T74] fib6_rule_lookup+0x456/0x630 [ 5131.349658][ T74] ip6_route_input+0x59c/0xa50 [ 5131.349658][ T74] ipv6_rcv+0x397/0x810 [ 5131.349658][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5131.349658][ T74] process_backlog+0x101/0x620 [ 5131.349658][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5131.349658][ T74] net_rx_action+0x495/0xbe0 [ 5131.349658][ T74] __do_softirq+0x1b5/0x7f6 [ 5131.349658][ T74] [ 5131.351317][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5131.351317][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5131.351317][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5131.351317][ T74] fib6_nh_init+0xa22/0x1580 [ 5131.351317][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5131.351317][ T74] ip6_route_add+0x1c/0x140 [ 5131.351317][ T74] inet6_rtm_newroute+0x104/0x110 [ 5131.351317][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5131.351317][ T74] netlink_rcv_skb+0x130/0x360 [ 5131.351317][ T74] netlink_unicast+0x449/0x710 [ 5131.351317][ T74] netlink_sendmsg+0x723/0xbe0 [ 5131.351317][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5131.351317][ T74] ___sys_sendmsg+0xee/0x170 [ 5131.351317][ T74] __sys_sendmsg+0xcd/0x170 [ 5131.351317][ T74] do_syscall_64+0xc6/0x1e0 [ 5131.351317][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5131.351317][ T74] [ 5131.353208][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5131.353208][ T74] netdev_get_by_index+0x5e/0x80 [ 5131.353208][ T74] fib6_nh_init+0x3d8/0x1580 [ 5131.353208][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5131.353208][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5131.353208][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5131.353208][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5131.353208][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5131.353208][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5131.353208][ T74] addrconf_dad_begin+0x310/0x670 [ 5131.353208][ T74] addrconf_dad_work+0x10b/0xab0 [ 5131.353208][ T74] process_one_work+0x84d/0x18a0 [ 5131.353208][ T74] worker_thread+0x587/0xd30 [ 5131.353208][ T74] kthread+0x28a/0x350 [ 5131.353208][ T74] ret_from_fork+0x31/0x70 [ 5131.353208][ T74] ret_from_fork_asm+0x1a/0x30 [ 5131.353208][ T74] [ 5131.355138][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5131.355138][ T74] netdev_get_by_index+0x5e/0x80 [ 5131.355138][ T74] fib6_nh_init+0x3d8/0x1580 [ 5131.355138][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5131.355138][ T74] ip6_route_add+0x1c/0x140 [ 5131.355138][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5131.355138][ T74] inet6_addr_add+0x4f8/0xa40 [ 5131.355138][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5131.355138][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5131.355138][ T74] netlink_rcv_skb+0x130/0x360 [ 5131.355138][ T74] netlink_unicast+0x449/0x710 [ 5131.355138][ T74] netlink_sendmsg+0x723/0xbe0 [ 5131.355138][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5131.355138][ T74] ___sys_sendmsg+0xee/0x170 [ 5131.355138][ T74] __sys_sendmsg+0xcd/0x170 [ 5131.355138][ T74] do_syscall_64+0xc6/0x1e0 [ 5131.355138][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5131.355138][ T74] [ 5131.357194][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5131.357194][ T74] netdev_get_by_index+0x5e/0x80 [ 5131.357194][ T74] fib6_nh_init+0x3d8/0x1580 [ 5131.357194][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5131.357194][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5131.357194][ T74] ipv6_add_addr+0x411/0x2000 [ 5131.357194][ T74] inet6_addr_add+0x30e/0xa40 [ 5131.357194][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5131.357194][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5131.357194][ T74] netlink_rcv_skb+0x130/0x360 [ 5131.357194][ T74] netlink_unicast+0x449/0x710 [ 5131.357194][ T74] netlink_sendmsg+0x723/0xbe0 [ 5131.357194][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5131.357194][ T74] ___sys_sendmsg+0xee/0x170 [ 5131.357194][ T74] __sys_sendmsg+0xcd/0x170 [ 5131.357194][ T74] do_syscall_64+0xc6/0x1e0 [ 5131.357194][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5131.357194][ T74] [ 5131.359198][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5131.359198][ T74] netdev_get_by_index+0x5e/0x80 [ 5131.359198][ T74] fib6_nh_init+0x3d8/0x1580 [ 5131.359198][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5131.359198][ T74] ip6_route_add+0x1c/0x140 [ 5131.359198][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5131.359198][ T74] addrconf_add_dev+0xe2/0x170 [ 5131.359198][ T74] inet6_addr_add+0x12f/0xa40 [ 5131.359198][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5131.359198][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5131.359198][ T74] netlink_rcv_skb+0x130/0x360 [ 5131.359198][ T74] netlink_unicast+0x449/0x710 [ 5131.359198][ T74] netlink_sendmsg+0x723/0xbe0 [ 5131.359198][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5131.359198][ T74] ___sys_sendmsg+0xee/0x170 [ 5131.359198][ T74] __sys_sendmsg+0xcd/0x170 [ 5131.359198][ T74] do_syscall_64+0xc6/0x1e0 [ 5131.359198][ T74] [ 5131.361168][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5131.361168][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5131.361168][ T74] ipv6_find_idev+0x102/0x170 [ 5131.361168][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5131.361168][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5131.361168][ T74] netlink_rcv_skb+0x130/0x360 [ 5131.361168][ T74] netlink_unicast+0x449/0x710 [ 5131.361168][ T74] netlink_sendmsg+0x723/0xbe0 [ 5131.361168][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5131.361168][ T74] ___sys_sendmsg+0xee/0x170 [ 5131.361168][ T74] __sys_sendmsg+0xcd/0x170 [ 5131.361168][ T74] do_syscall_64+0xc6/0x1e0 [ 5131.361168][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5131.361168][ T74] [ 5131.362845][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5131.362845][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5131.362845][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5131.362845][ T74] ipv6_find_idev+0x102/0x170 [ 5131.362845][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5131.362845][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5131.362845][ T74] netlink_rcv_skb+0x130/0x360 [ 5131.362845][ T74] netlink_unicast+0x449/0x710 [ 5131.362845][ T74] netlink_sendmsg+0x723/0xbe0 [ 5131.362845][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5131.362845][ T74] ___sys_sendmsg+0xee/0x170 [ 5131.362845][ T74] __sys_sendmsg+0xcd/0x170 [ 5131.362845][ T74] do_syscall_64+0xc6/0x1e0 [ 5131.362845][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5131.362845][ T74] [ 5131.364945][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5131.365190][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5131.365190][ T74] netdev_get_by_index+0x5e/0x80 [ 5131.365190][ T74] fib6_nh_init+0x3d8/0x1580 [ 5131.365190][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5131.365190][ T74] ip6_route_add+0x1c/0x140 [ 5131.365190][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5131.365190][ T74] inet6_addr_add+0x4f8/0xa40 [ 5131.365190][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5131.365190][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5131.365190][ T74] netlink_rcv_skb+0x130/0x360 [ 5131.365190][ T74] netlink_unicast+0x449/0x710 [ 5131.365190][ T74] netlink_sendmsg+0x723/0xbe0 [ 5131.365190][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5131.365190][ T74] ___sys_sendmsg+0xee/0x170 [ 5131.365190][ T74] __sys_sendmsg+0xcd/0x170 [ 5131.365190][ T74] do_syscall_64+0xc6/0x1e0 [ 5131.365190][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5131.365190][ T74] [ 5131.367438][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5131.367438][ T74] netdev_get_by_index+0x5e/0x80 [ 5131.367438][ T74] fib6_nh_init+0x3d8/0x1580 [ 5131.367438][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5131.367438][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5131.367438][ T74] ipv6_add_addr+0x411/0x2000 [ 5131.367438][ T74] inet6_addr_add+0x30e/0xa40 [ 5131.367438][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5131.367438][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5131.367438][ T74] netlink_rcv_skb+0x130/0x360 [ 5131.367438][ T74] netlink_unicast+0x449/0x710 [ 5131.367438][ T74] netlink_sendmsg+0x723/0xbe0 [ 5131.367438][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5131.367438][ T74] ___sys_sendmsg+0xee/0x170 [ 5131.367438][ T74] __sys_sendmsg+0xcd/0x170 [ 5131.367438][ T74] do_syscall_64+0xc6/0x1e0 [ 5131.367438][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5131.367438][ T74] [ 5131.369684][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5131.369684][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5131.369684][ T74] ipv6_find_idev+0x102/0x170 [ 5131.369684][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5131.369684][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5131.369684][ T74] netlink_rcv_skb+0x130/0x360 [ 5131.369684][ T74] netlink_unicast+0x449/0x710 [ 5131.369684][ T74] netlink_sendmsg+0x723/0xbe0 [ 5131.369684][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5131.369684][ T74] ___sys_sendmsg+0xee/0x170 [ 5131.369684][ T74] __sys_sendmsg+0xcd/0x170 [ 5131.369684][ T74] do_syscall_64+0xc6/0x1e0 [ 5131.369684][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5131.369684][ T74] [ 5131.371342][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5131.371342][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5131.371342][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5131.371342][ T74] ipv6_find_idev+0x102/0x170 [ 5131.371342][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5131.371342][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5131.371342][ T74] netlink_rcv_skb+0x130/0x360 [ 5131.371342][ T74] netlink_unicast+0x449/0x710 [ 5131.371342][ T74] netlink_sendmsg+0x723/0xbe0 [ 5131.371342][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5131.371342][ T74] ___sys_sendmsg+0xee/0x170 [ 5131.371342][ T74] __sys_sendmsg+0xcd/0x170 [ 5131.371342][ T74] do_syscall_64+0xc6/0x1e0 [ 5131.371342][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5131.371342][ T74] [ 5141.407981][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5141.408413][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5141.408413][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5141.408413][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5141.408413][ T74] fib6_nh_init+0xa22/0x1580 [ 5141.408413][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5141.408413][ T74] ip6_route_add+0x1c/0x140 [ 5141.408413][ T74] inet6_rtm_newroute+0x104/0x110 [ 5141.408413][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5141.408413][ T74] netlink_rcv_skb+0x130/0x360 [ 5141.408413][ T74] netlink_unicast+0x449/0x710 [ 5141.408413][ T74] netlink_sendmsg+0x723/0xbe0 [ 5141.408413][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5141.408413][ T74] ___sys_sendmsg+0xee/0x170 [ 5141.408413][ T74] __sys_sendmsg+0xcd/0x170 [ 5141.408413][ T74] do_syscall_64+0xc6/0x1e0 [ 5141.408413][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5141.408413][ T74] [ 5141.410328][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5141.410328][ T74] netdev_get_by_index+0x5e/0x80 [ 5141.410328][ T74] fib6_nh_init+0x3d8/0x1580 [ 5141.410328][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5141.410328][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5141.410328][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5141.410328][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5141.410328][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5141.410328][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5141.410328][ T74] addrconf_dad_begin+0x310/0x670 [ 5141.410328][ T74] addrconf_dad_work+0x10b/0xab0 [ 5141.410328][ T74] process_one_work+0x84d/0x18a0 [ 5141.410328][ T74] worker_thread+0x587/0xd30 [ 5141.410328][ T74] kthread+0x28a/0x350 [ 5141.410328][ T74] ret_from_fork+0x31/0x70 [ 5141.410328][ T74] ret_from_fork_asm+0x1a/0x30 [ 5141.410328][ T74] [ 5141.412252][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5141.412252][ T74] netdev_get_by_index+0x5e/0x80 [ 5141.412252][ T74] fib6_nh_init+0x3d8/0x1580 [ 5141.412252][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5141.412252][ T74] ip6_route_add+0x1c/0x140 [ 5141.412252][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5141.412252][ T74] inet6_addr_add+0x4f8/0xa40 [ 5141.412252][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5141.412252][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5141.412252][ T74] netlink_rcv_skb+0x130/0x360 [ 5141.412252][ T74] netlink_unicast+0x449/0x710 [ 5141.412252][ T74] netlink_sendmsg+0x723/0xbe0 [ 5141.412252][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5141.412252][ T74] ___sys_sendmsg+0xee/0x170 [ 5141.412252][ T74] __sys_sendmsg+0xcd/0x170 [ 5141.412252][ T74] do_syscall_64+0xc6/0x1e0 [ 5141.412252][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5141.412252][ T74] [ 5141.414262][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5141.414262][ T74] netdev_get_by_index+0x5e/0x80 [ 5141.414262][ T74] fib6_nh_init+0x3d8/0x1580 [ 5141.414262][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5141.414262][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5141.414262][ T74] ipv6_add_addr+0x411/0x2000 [ 5141.414262][ T74] inet6_addr_add+0x30e/0xa40 [ 5141.414262][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5141.414262][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5141.414262][ T74] netlink_rcv_skb+0x130/0x360 [ 5141.414262][ T74] netlink_unicast+0x449/0x710 [ 5141.414262][ T74] netlink_sendmsg+0x723/0xbe0 [ 5141.414262][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5141.414262][ T74] ___sys_sendmsg+0xee/0x170 [ 5141.414262][ T74] __sys_sendmsg+0xcd/0x170 [ 5141.414262][ T74] do_syscall_64+0xc6/0x1e0 [ 5141.414262][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5141.414262][ T74] [ 5141.416267][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5141.416267][ T74] netdev_get_by_index+0x5e/0x80 [ 5141.416267][ T74] fib6_nh_init+0x3d8/0x1580 [ 5141.416267][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5141.416267][ T74] ip6_route_add+0x1c/0x140 [ 5141.416267][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5141.416267][ T74] addrconf_add_dev+0xe2/0x170 [ 5141.416267][ T74] inet6_addr_add+0x12f/0xa40 [ 5141.416267][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5141.416267][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5141.416267][ T74] netlink_rcv_skb+0x130/0x360 [ 5141.416267][ T74] netlink_unicast+0x449/0x710 [ 5141.416267][ T74] netlink_sendmsg+0x723/0xbe0 [ 5141.416267][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5141.416267][ T74] ___sys_sendmsg+0xee/0x170 [ 5141.416267][ T74] __sys_sendmsg+0xcd/0x170 [ 5141.416267][ T74] do_syscall_64+0xc6/0x1e0 [ 5141.416267][ T74] [ 5141.418251][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5141.418251][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5141.418251][ T74] ipv6_find_idev+0x102/0x170 [ 5141.418251][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5141.418251][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5141.418251][ T74] netlink_rcv_skb+0x130/0x360 [ 5141.418251][ T74] netlink_unicast+0x449/0x710 [ 5141.418251][ T74] netlink_sendmsg+0x723/0xbe0 [ 5141.418251][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5141.418251][ T74] ___sys_sendmsg+0xee/0x170 [ 5141.418251][ T74] __sys_sendmsg+0xcd/0x170 [ 5141.418251][ T74] do_syscall_64+0xc6/0x1e0 [ 5141.418251][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5141.418251][ T74] [ 5141.419798][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5141.419798][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5141.419798][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5141.419798][ T74] ipv6_find_idev+0x102/0x170 [ 5141.419798][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5141.419798][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5141.419798][ T74] netlink_rcv_skb+0x130/0x360 [ 5141.419798][ T74] netlink_unicast+0x449/0x710 [ 5141.419798][ T74] netlink_sendmsg+0x723/0xbe0 [ 5141.419798][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5141.419798][ T74] ___sys_sendmsg+0xee/0x170 [ 5141.419798][ T74] __sys_sendmsg+0xcd/0x170 [ 5141.419798][ T74] do_syscall_64+0xc6/0x1e0 [ 5141.419798][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5141.419798][ T74] [ 5141.421480][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5141.421751][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5141.421751][ T74] dst_init+0x84/0x4a0 [ 5141.421751][ T74] dst_alloc+0x97/0x150 [ 5141.421751][ T74] ip6_dst_alloc+0x23/0x90 [ 5141.421751][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5141.421751][ T74] ip6_pol_route+0x56f/0x840 [ 5141.421751][ T74] fib6_rule_lookup+0x456/0x630 [ 5141.421751][ T74] ip6_route_input+0x59c/0xa50 [ 5141.421751][ T74] ipv6_rcv+0x397/0x810 [ 5141.421751][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5141.421751][ T74] process_backlog+0x101/0x620 [ 5141.421751][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5141.421751][ T74] net_rx_action+0x495/0xbe0 [ 5141.421751][ T74] __do_softirq+0x1b5/0x7f6 [ 5141.421751][ T74] [ 5141.423382][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5141.423382][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5141.423382][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5141.423382][ T74] fib6_nh_init+0xa22/0x1580 [ 5141.423382][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5141.423382][ T74] ip6_route_add+0x1c/0x140 [ 5141.423382][ T74] inet6_rtm_newroute+0x104/0x110 [ 5141.423382][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5141.423382][ T74] netlink_rcv_skb+0x130/0x360 [ 5141.423382][ T74] netlink_unicast+0x449/0x710 [ 5141.423382][ T74] netlink_sendmsg+0x723/0xbe0 [ 5141.423382][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5141.423382][ T74] ___sys_sendmsg+0xee/0x170 [ 5141.423382][ T74] __sys_sendmsg+0xcd/0x170 [ 5141.423382][ T74] do_syscall_64+0xc6/0x1e0 [ 5141.423382][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5141.423382][ T74] [ 5141.425269][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5141.425269][ T74] netdev_get_by_index+0x5e/0x80 [ 5141.425269][ T74] fib6_nh_init+0x3d8/0x1580 [ 5141.425269][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5141.425269][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5141.425269][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5141.425269][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5141.425269][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5141.425269][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5141.425269][ T74] addrconf_dad_begin+0x310/0x670 [ 5141.425269][ T74] addrconf_dad_work+0x10b/0xab0 [ 5141.425269][ T74] process_one_work+0x84d/0x18a0 [ 5141.425269][ T74] worker_thread+0x587/0xd30 [ 5141.425269][ T74] kthread+0x28a/0x350 [ 5141.425269][ T74] ret_from_fork+0x31/0x70 [ 5141.425269][ T74] ret_from_fork_asm+0x1a/0x30 [ 5141.425269][ T74] [ 5141.427169][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5141.427169][ T74] netdev_get_by_index+0x5e/0x80 [ 5141.427169][ T74] fib6_nh_init+0x3d8/0x1580 [ 5141.427169][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5141.427169][ T74] ip6_route_add+0x1c/0x140 [ 5141.427169][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5141.427169][ T74] inet6_addr_add+0x4f8/0xa40 [ 5141.427169][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5141.427169][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5141.427169][ T74] netlink_rcv_skb+0x130/0x360 [ 5141.427169][ T74] netlink_unicast+0x449/0x710 [ 5141.427169][ T74] netlink_sendmsg+0x723/0xbe0 [ 5141.427169][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5141.427169][ T74] ___sys_sendmsg+0xee/0x170 [ 5141.427169][ T74] __sys_sendmsg+0xcd/0x170 [ 5141.427169][ T74] do_syscall_64+0xc6/0x1e0 [ 5141.427169][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5141.427169][ T74] [ 5141.429179][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5141.429179][ T74] netdev_get_by_index+0x5e/0x80 [ 5141.429179][ T74] fib6_nh_init+0x3d8/0x1580 [ 5141.429179][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5141.429179][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5141.429179][ T74] ipv6_add_addr+0x411/0x2000 [ 5141.429179][ T74] inet6_addr_add+0x30e/0xa40 [ 5141.429179][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5141.429179][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5141.429179][ T74] netlink_rcv_skb+0x130/0x360 [ 5141.429179][ T74] netlink_unicast+0x449/0x710 [ 5141.429179][ T74] netlink_sendmsg+0x723/0xbe0 [ 5141.429179][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5141.429179][ T74] ___sys_sendmsg+0xee/0x170 [ 5141.429179][ T74] __sys_sendmsg+0xcd/0x170 [ 5141.429179][ T74] do_syscall_64+0xc6/0x1e0 [ 5141.429179][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5141.429179][ T74] [ 5141.431179][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5141.431179][ T74] netdev_get_by_index+0x5e/0x80 [ 5141.431179][ T74] fib6_nh_init+0x3d8/0x1580 [ 5141.431179][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5141.431179][ T74] ip6_route_add+0x1c/0x140 [ 5141.431179][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5141.431179][ T74] addrconf_add_dev+0xe2/0x170 [ 5141.431179][ T74] inet6_addr_add+0x12f/0xa40 [ 5141.431179][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5141.431179][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5141.431179][ T74] netlink_rcv_skb+0x130/0x360 [ 5141.431179][ T74] netlink_unicast+0x449/0x710 [ 5141.431179][ T74] netlink_sendmsg+0x723/0xbe0 [ 5141.431179][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5141.431179][ T74] ___sys_sendmsg+0xee/0x170 [ 5141.431179][ T74] __sys_sendmsg+0xcd/0x170 [ 5141.431179][ T74] do_syscall_64+0xc6/0x1e0 [ 5141.431179][ T74] [ 5141.433149][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5141.433149][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5141.433149][ T74] ipv6_find_idev+0x102/0x170 [ 5141.433149][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5141.433149][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5141.433149][ T74] netlink_rcv_skb+0x130/0x360 [ 5141.433149][ T74] netlink_unicast+0x449/0x710 [ 5141.433149][ T74] netlink_sendmsg+0x723/0xbe0 [ 5141.433149][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5141.433149][ T74] ___sys_sendmsg+0xee/0x170 [ 5141.433149][ T74] __sys_sendmsg+0xcd/0x170 [ 5141.433149][ T74] do_syscall_64+0xc6/0x1e0 [ 5141.433149][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5141.433149][ T74] [ 5141.434827][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5141.434827][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5141.434827][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5141.434827][ T74] ipv6_find_idev+0x102/0x170 [ 5141.434827][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5141.434827][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5141.434827][ T74] netlink_rcv_skb+0x130/0x360 [ 5141.434827][ T74] netlink_unicast+0x449/0x710 [ 5141.434827][ T74] netlink_sendmsg+0x723/0xbe0 [ 5141.434827][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5141.434827][ T74] ___sys_sendmsg+0xee/0x170 [ 5141.434827][ T74] __sys_sendmsg+0xcd/0x170 [ 5141.434827][ T74] do_syscall_64+0xc6/0x1e0 [ 5141.434827][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5141.434827][ T74] [ 5141.436771][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5141.437083][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5141.437083][ T74] netdev_get_by_index+0x5e/0x80 [ 5141.437083][ T74] fib6_nh_init+0x3d8/0x1580 [ 5141.437083][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5141.437083][ T74] ip6_route_add+0x1c/0x140 [ 5141.437083][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5141.437083][ T74] inet6_addr_add+0x4f8/0xa40 [ 5141.437083][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5141.437083][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5141.437083][ T74] netlink_rcv_skb+0x130/0x360 [ 5141.437083][ T74] netlink_unicast+0x449/0x710 [ 5141.437083][ T74] netlink_sendmsg+0x723/0xbe0 [ 5141.437083][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5141.437083][ T74] ___sys_sendmsg+0xee/0x170 [ 5141.437083][ T74] __sys_sendmsg+0xcd/0x170 [ 5141.437083][ T74] do_syscall_64+0xc6/0x1e0 [ 5141.437083][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5141.437083][ T74] [ 5141.439210][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5141.439210][ T74] netdev_get_by_index+0x5e/0x80 [ 5141.439210][ T74] fib6_nh_init+0x3d8/0x1580 [ 5141.439210][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5141.439210][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5141.439210][ T74] ipv6_add_addr+0x411/0x2000 [ 5141.439210][ T74] inet6_addr_add+0x30e/0xa40 [ 5141.439210][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5141.439210][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5141.439210][ T74] netlink_rcv_skb+0x130/0x360 [ 5141.439210][ T74] netlink_unicast+0x449/0x710 [ 5141.439210][ T74] netlink_sendmsg+0x723/0xbe0 [ 5141.439210][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5141.439210][ T74] ___sys_sendmsg+0xee/0x170 [ 5141.439210][ T74] __sys_sendmsg+0xcd/0x170 [ 5141.439210][ T74] do_syscall_64+0xc6/0x1e0 [ 5141.439210][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5141.439210][ T74] [ 5141.441452][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5141.441452][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5141.441452][ T74] ipv6_find_idev+0x102/0x170 [ 5141.441452][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5141.441452][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5141.441452][ T74] netlink_rcv_skb+0x130/0x360 [ 5141.441452][ T74] netlink_unicast+0x449/0x710 [ 5141.441452][ T74] netlink_sendmsg+0x723/0xbe0 [ 5141.441452][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5141.441452][ T74] ___sys_sendmsg+0xee/0x170 [ 5141.441452][ T74] __sys_sendmsg+0xcd/0x170 [ 5141.441452][ T74] do_syscall_64+0xc6/0x1e0 [ 5141.441452][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5141.441452][ T74] [ 5141.443175][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5141.443175][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5141.443175][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5141.443175][ T74] ipv6_find_idev+0x102/0x170 [ 5141.443175][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5141.443175][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5141.443175][ T74] netlink_rcv_skb+0x130/0x360 [ 5141.443175][ T74] netlink_unicast+0x449/0x710 [ 5141.443175][ T74] netlink_sendmsg+0x723/0xbe0 [ 5141.443175][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5141.443175][ T74] ___sys_sendmsg+0xee/0x170 [ 5141.443175][ T74] __sys_sendmsg+0xcd/0x170 [ 5141.443175][ T74] do_syscall_64+0xc6/0x1e0 [ 5141.443175][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5141.443175][ T74] [ 5151.687959][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5151.688426][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5151.688426][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5151.688426][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5151.688426][ T74] fib6_nh_init+0xa22/0x1580 [ 5151.688426][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5151.688426][ T74] ip6_route_add+0x1c/0x140 [ 5151.688426][ T74] inet6_rtm_newroute+0x104/0x110 [ 5151.688426][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5151.688426][ T74] netlink_rcv_skb+0x130/0x360 [ 5151.688426][ T74] netlink_unicast+0x449/0x710 [ 5151.688426][ T74] netlink_sendmsg+0x723/0xbe0 [ 5151.688426][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5151.688426][ T74] ___sys_sendmsg+0xee/0x170 [ 5151.688426][ T74] __sys_sendmsg+0xcd/0x170 [ 5151.688426][ T74] do_syscall_64+0xc6/0x1e0 [ 5151.688426][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5151.688426][ T74] [ 5151.690329][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5151.690329][ T74] netdev_get_by_index+0x5e/0x80 [ 5151.690329][ T74] fib6_nh_init+0x3d8/0x1580 [ 5151.690329][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5151.690329][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5151.690329][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5151.690329][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5151.690329][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5151.690329][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5151.690329][ T74] addrconf_dad_begin+0x310/0x670 [ 5151.690329][ T74] addrconf_dad_work+0x10b/0xab0 [ 5151.690329][ T74] process_one_work+0x84d/0x18a0 [ 5151.690329][ T74] worker_thread+0x587/0xd30 [ 5151.690329][ T74] kthread+0x28a/0x350 [ 5151.690329][ T74] ret_from_fork+0x31/0x70 [ 5151.690329][ T74] ret_from_fork_asm+0x1a/0x30 [ 5151.690329][ T74] [ 5151.692248][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5151.692248][ T74] netdev_get_by_index+0x5e/0x80 [ 5151.692248][ T74] fib6_nh_init+0x3d8/0x1580 [ 5151.692248][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5151.692248][ T74] ip6_route_add+0x1c/0x140 [ 5151.692248][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5151.692248][ T74] inet6_addr_add+0x4f8/0xa40 [ 5151.692248][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5151.692248][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5151.692248][ T74] netlink_rcv_skb+0x130/0x360 [ 5151.692248][ T74] netlink_unicast+0x449/0x710 [ 5151.692248][ T74] netlink_sendmsg+0x723/0xbe0 [ 5151.692248][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5151.692248][ T74] ___sys_sendmsg+0xee/0x170 [ 5151.692248][ T74] __sys_sendmsg+0xcd/0x170 [ 5151.692248][ T74] do_syscall_64+0xc6/0x1e0 [ 5151.692248][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5151.692248][ T74] [ 5151.694247][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5151.694247][ T74] netdev_get_by_index+0x5e/0x80 [ 5151.694247][ T74] fib6_nh_init+0x3d8/0x1580 [ 5151.694247][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5151.694247][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5151.694247][ T74] ipv6_add_addr+0x411/0x2000 [ 5151.694247][ T74] inet6_addr_add+0x30e/0xa40 [ 5151.694247][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5151.694247][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5151.694247][ T74] netlink_rcv_skb+0x130/0x360 [ 5151.694247][ T74] netlink_unicast+0x449/0x710 [ 5151.694247][ T74] netlink_sendmsg+0x723/0xbe0 [ 5151.694247][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5151.694247][ T74] ___sys_sendmsg+0xee/0x170 [ 5151.694247][ T74] __sys_sendmsg+0xcd/0x170 [ 5151.694247][ T74] do_syscall_64+0xc6/0x1e0 [ 5151.694247][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5151.694247][ T74] [ 5151.696250][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5151.696250][ T74] netdev_get_by_index+0x5e/0x80 [ 5151.696250][ T74] fib6_nh_init+0x3d8/0x1580 [ 5151.696250][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5151.696250][ T74] ip6_route_add+0x1c/0x140 [ 5151.696250][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5151.696250][ T74] addrconf_add_dev+0xe2/0x170 [ 5151.696250][ T74] inet6_addr_add+0x12f/0xa40 [ 5151.696250][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5151.696250][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5151.696250][ T74] netlink_rcv_skb+0x130/0x360 [ 5151.696250][ T74] netlink_unicast+0x449/0x710 [ 5151.696250][ T74] netlink_sendmsg+0x723/0xbe0 [ 5151.696250][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5151.696250][ T74] ___sys_sendmsg+0xee/0x170 [ 5151.696250][ T74] __sys_sendmsg+0xcd/0x170 [ 5151.696250][ T74] do_syscall_64+0xc6/0x1e0 [ 5151.696250][ T74] [ 5151.698219][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5151.698219][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5151.698219][ T74] ipv6_find_idev+0x102/0x170 [ 5151.698219][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5151.698219][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5151.698219][ T74] netlink_rcv_skb+0x130/0x360 [ 5151.698219][ T74] netlink_unicast+0x449/0x710 [ 5151.698219][ T74] netlink_sendmsg+0x723/0xbe0 [ 5151.698219][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5151.698219][ T74] ___sys_sendmsg+0xee/0x170 [ 5151.698219][ T74] __sys_sendmsg+0xcd/0x170 [ 5151.698219][ T74] do_syscall_64+0xc6/0x1e0 [ 5151.698219][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5151.698219][ T74] [ 5151.699752][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5151.699752][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5151.699752][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5151.699752][ T74] ipv6_find_idev+0x102/0x170 [ 5151.699752][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5151.699752][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5151.699752][ T74] netlink_rcv_skb+0x130/0x360 [ 5151.699752][ T74] netlink_unicast+0x449/0x710 [ 5151.699752][ T74] netlink_sendmsg+0x723/0xbe0 [ 5151.699752][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5151.699752][ T74] ___sys_sendmsg+0xee/0x170 [ 5151.699752][ T74] __sys_sendmsg+0xcd/0x170 [ 5151.699752][ T74] do_syscall_64+0xc6/0x1e0 [ 5151.699752][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5151.699752][ T74] [ 5151.701449][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5151.701736][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5151.701736][ T74] dst_init+0x84/0x4a0 [ 5151.701736][ T74] dst_alloc+0x97/0x150 [ 5151.701736][ T74] ip6_dst_alloc+0x23/0x90 [ 5151.701736][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5151.701736][ T74] ip6_pol_route+0x56f/0x840 [ 5151.701736][ T74] fib6_rule_lookup+0x456/0x630 [ 5151.701736][ T74] ip6_route_input+0x59c/0xa50 [ 5151.701736][ T74] ipv6_rcv+0x397/0x810 [ 5151.701736][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5151.701736][ T74] process_backlog+0x101/0x620 [ 5151.701736][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5151.701736][ T74] net_rx_action+0x495/0xbe0 [ 5151.701736][ T74] __do_softirq+0x1b5/0x7f6 [ 5151.701736][ T74] [ 5151.703373][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5151.703373][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5151.703373][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5151.703373][ T74] fib6_nh_init+0xa22/0x1580 [ 5151.703373][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5151.703373][ T74] ip6_route_add+0x1c/0x140 [ 5151.703373][ T74] inet6_rtm_newroute+0x104/0x110 [ 5151.703373][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5151.703373][ T74] netlink_rcv_skb+0x130/0x360 [ 5151.703373][ T74] netlink_unicast+0x449/0x710 [ 5151.703373][ T74] netlink_sendmsg+0x723/0xbe0 [ 5151.703373][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5151.703373][ T74] ___sys_sendmsg+0xee/0x170 [ 5151.703373][ T74] __sys_sendmsg+0xcd/0x170 [ 5151.703373][ T74] do_syscall_64+0xc6/0x1e0 [ 5151.703373][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5151.703373][ T74] [ 5151.705264][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5151.705264][ T74] netdev_get_by_index+0x5e/0x80 [ 5151.705264][ T74] fib6_nh_init+0x3d8/0x1580 [ 5151.705264][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5151.705264][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5151.705264][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5151.705264][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5151.705264][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5151.705264][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5151.705264][ T74] addrconf_dad_begin+0x310/0x670 [ 5151.705264][ T74] addrconf_dad_work+0x10b/0xab0 [ 5151.705264][ T74] process_one_work+0x84d/0x18a0 [ 5151.705264][ T74] worker_thread+0x587/0xd30 [ 5151.705264][ T74] kthread+0x28a/0x350 [ 5151.705264][ T74] ret_from_fork+0x31/0x70 [ 5151.705264][ T74] ret_from_fork_asm+0x1a/0x30 [ 5151.705264][ T74] [ 5151.707202][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5151.707202][ T74] netdev_get_by_index+0x5e/0x80 [ 5151.707202][ T74] fib6_nh_init+0x3d8/0x1580 [ 5151.707202][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5151.707202][ T74] ip6_route_add+0x1c/0x140 [ 5151.707202][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5151.707202][ T74] inet6_addr_add+0x4f8/0xa40 [ 5151.707202][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5151.707202][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5151.707202][ T74] netlink_rcv_skb+0x130/0x360 [ 5151.707202][ T74] netlink_unicast+0x449/0x710 [ 5151.707202][ T74] netlink_sendmsg+0x723/0xbe0 [ 5151.707202][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5151.707202][ T74] ___sys_sendmsg+0xee/0x170 [ 5151.707202][ T74] __sys_sendmsg+0xcd/0x170 [ 5151.707202][ T74] do_syscall_64+0xc6/0x1e0 [ 5151.707202][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5151.707202][ T74] [ 5151.709198][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5151.709198][ T74] netdev_get_by_index+0x5e/0x80 [ 5151.709198][ T74] fib6_nh_init+0x3d8/0x1580 [ 5151.709198][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5151.709198][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5151.709198][ T74] ipv6_add_addr+0x411/0x2000 [ 5151.709198][ T74] inet6_addr_add+0x30e/0xa40 [ 5151.709198][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5151.709198][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5151.709198][ T74] netlink_rcv_skb+0x130/0x360 [ 5151.709198][ T74] netlink_unicast+0x449/0x710 [ 5151.709198][ T74] netlink_sendmsg+0x723/0xbe0 [ 5151.709198][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5151.709198][ T74] ___sys_sendmsg+0xee/0x170 [ 5151.709198][ T74] __sys_sendmsg+0xcd/0x170 [ 5151.709198][ T74] do_syscall_64+0xc6/0x1e0 [ 5151.709198][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5151.709198][ T74] [ 5151.711191][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5151.711191][ T74] netdev_get_by_index+0x5e/0x80 [ 5151.711191][ T74] fib6_nh_init+0x3d8/0x1580 [ 5151.711191][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5151.711191][ T74] ip6_route_add+0x1c/0x140 [ 5151.711191][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5151.711191][ T74] addrconf_add_dev+0xe2/0x170 [ 5151.711191][ T74] inet6_addr_add+0x12f/0xa40 [ 5151.711191][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5151.711191][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5151.711191][ T74] netlink_rcv_skb+0x130/0x360 [ 5151.711191][ T74] netlink_unicast+0x449/0x710 [ 5151.711191][ T74] netlink_sendmsg+0x723/0xbe0 [ 5151.711191][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5151.711191][ T74] ___sys_sendmsg+0xee/0x170 [ 5151.711191][ T74] __sys_sendmsg+0xcd/0x170 [ 5151.711191][ T74] do_syscall_64+0xc6/0x1e0 [ 5151.711191][ T74] [ 5151.713162][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5151.713162][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5151.713162][ T74] ipv6_find_idev+0x102/0x170 [ 5151.713162][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5151.713162][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5151.713162][ T74] netlink_rcv_skb+0x130/0x360 [ 5151.713162][ T74] netlink_unicast+0x449/0x710 [ 5151.713162][ T74] netlink_sendmsg+0x723/0xbe0 [ 5151.713162][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5151.713162][ T74] ___sys_sendmsg+0xee/0x170 [ 5151.713162][ T74] __sys_sendmsg+0xcd/0x170 [ 5151.713162][ T74] do_syscall_64+0xc6/0x1e0 [ 5151.713162][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5151.713162][ T74] [ 5151.714832][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5151.714832][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5151.714832][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5151.714832][ T74] ipv6_find_idev+0x102/0x170 [ 5151.714832][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5151.714832][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5151.714832][ T74] netlink_rcv_skb+0x130/0x360 [ 5151.714832][ T74] netlink_unicast+0x449/0x710 [ 5151.714832][ T74] netlink_sendmsg+0x723/0xbe0 [ 5151.714832][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5151.714832][ T74] ___sys_sendmsg+0xee/0x170 [ 5151.714832][ T74] __sys_sendmsg+0xcd/0x170 [ 5151.714832][ T74] do_syscall_64+0xc6/0x1e0 [ 5151.714832][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5151.714832][ T74] [ 5151.716855][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5151.717100][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5151.717100][ T74] netdev_get_by_index+0x5e/0x80 [ 5151.717100][ T74] fib6_nh_init+0x3d8/0x1580 [ 5151.717100][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5151.717100][ T74] ip6_route_add+0x1c/0x140 [ 5151.717100][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5151.717100][ T74] inet6_addr_add+0x4f8/0xa40 [ 5151.717100][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5151.717100][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5151.717100][ T74] netlink_rcv_skb+0x130/0x360 [ 5151.717100][ T74] netlink_unicast+0x449/0x710 [ 5151.717100][ T74] netlink_sendmsg+0x723/0xbe0 [ 5151.717100][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5151.717100][ T74] ___sys_sendmsg+0xee/0x170 [ 5151.717100][ T74] __sys_sendmsg+0xcd/0x170 [ 5151.717100][ T74] do_syscall_64+0xc6/0x1e0 [ 5151.717100][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5151.717100][ T74] [ 5151.719340][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5151.719340][ T74] netdev_get_by_index+0x5e/0x80 [ 5151.719340][ T74] fib6_nh_init+0x3d8/0x1580 [ 5151.719340][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5151.719340][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5151.719340][ T74] ipv6_add_addr+0x411/0x2000 [ 5151.719340][ T74] inet6_addr_add+0x30e/0xa40 [ 5151.719340][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5151.719340][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5151.719340][ T74] netlink_rcv_skb+0x130/0x360 [ 5151.719340][ T74] netlink_unicast+0x449/0x710 [ 5151.719340][ T74] netlink_sendmsg+0x723/0xbe0 [ 5151.719340][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5151.719340][ T74] ___sys_sendmsg+0xee/0x170 [ 5151.719340][ T74] __sys_sendmsg+0xcd/0x170 [ 5151.719340][ T74] do_syscall_64+0xc6/0x1e0 [ 5151.719340][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5151.719340][ T74] [ 5151.721570][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5151.721570][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5151.721570][ T74] ipv6_find_idev+0x102/0x170 [ 5151.721570][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5151.721570][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5151.721570][ T74] netlink_rcv_skb+0x130/0x360 [ 5151.721570][ T74] netlink_unicast+0x449/0x710 [ 5151.721570][ T74] netlink_sendmsg+0x723/0xbe0 [ 5151.721570][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5151.721570][ T74] ___sys_sendmsg+0xee/0x170 [ 5151.721570][ T74] __sys_sendmsg+0xcd/0x170 [ 5151.721570][ T74] do_syscall_64+0xc6/0x1e0 [ 5151.721570][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5151.721570][ T74] [ 5151.723288][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5151.723288][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5151.723288][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5151.723288][ T74] ipv6_find_idev+0x102/0x170 [ 5151.723288][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5151.723288][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5151.723288][ T74] netlink_rcv_skb+0x130/0x360 [ 5151.723288][ T74] netlink_unicast+0x449/0x710 [ 5151.723288][ T74] netlink_sendmsg+0x723/0xbe0 [ 5151.723288][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5151.723288][ T74] ___sys_sendmsg+0xee/0x170 [ 5151.723288][ T74] __sys_sendmsg+0xcd/0x170 [ 5151.723288][ T74] do_syscall_64+0xc6/0x1e0 [ 5151.723288][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5151.723288][ T74] [ 5161.975966][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5161.976410][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5161.976410][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5161.976410][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5161.976410][ T74] fib6_nh_init+0xa22/0x1580 [ 5161.976410][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5161.976410][ T74] ip6_route_add+0x1c/0x140 [ 5161.976410][ T74] inet6_rtm_newroute+0x104/0x110 [ 5161.976410][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5161.976410][ T74] netlink_rcv_skb+0x130/0x360 [ 5161.976410][ T74] netlink_unicast+0x449/0x710 [ 5161.976410][ T74] netlink_sendmsg+0x723/0xbe0 [ 5161.976410][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5161.976410][ T74] ___sys_sendmsg+0xee/0x170 [ 5161.976410][ T74] __sys_sendmsg+0xcd/0x170 [ 5161.976410][ T74] do_syscall_64+0xc6/0x1e0 [ 5161.976410][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5161.976410][ T74] [ 5161.978339][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5161.978339][ T74] netdev_get_by_index+0x5e/0x80 [ 5161.978339][ T74] fib6_nh_init+0x3d8/0x1580 [ 5161.978339][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5161.978339][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5161.978339][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5161.978339][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5161.978339][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5161.978339][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5161.978339][ T74] addrconf_dad_begin+0x310/0x670 [ 5161.978339][ T74] addrconf_dad_work+0x10b/0xab0 [ 5161.978339][ T74] process_one_work+0x84d/0x18a0 [ 5161.978339][ T74] worker_thread+0x587/0xd30 [ 5161.978339][ T74] kthread+0x28a/0x350 [ 5161.978339][ T74] ret_from_fork+0x31/0x70 [ 5161.978339][ T74] ret_from_fork_asm+0x1a/0x30 [ 5161.978339][ T74] [ 5161.980271][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5161.980271][ T74] netdev_get_by_index+0x5e/0x80 [ 5161.980271][ T74] fib6_nh_init+0x3d8/0x1580 [ 5161.980271][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5161.980271][ T74] ip6_route_add+0x1c/0x140 [ 5161.980271][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5161.980271][ T74] inet6_addr_add+0x4f8/0xa40 [ 5161.980271][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5161.980271][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5161.980271][ T74] netlink_rcv_skb+0x130/0x360 [ 5161.980271][ T74] netlink_unicast+0x449/0x710 [ 5161.980271][ T74] netlink_sendmsg+0x723/0xbe0 [ 5161.980271][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5161.980271][ T74] ___sys_sendmsg+0xee/0x170 [ 5161.980271][ T74] __sys_sendmsg+0xcd/0x170 [ 5161.980271][ T74] do_syscall_64+0xc6/0x1e0 [ 5161.980271][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5161.980271][ T74] [ 5161.982323][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5161.982323][ T74] netdev_get_by_index+0x5e/0x80 [ 5161.982323][ T74] fib6_nh_init+0x3d8/0x1580 [ 5161.982323][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5161.982323][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5161.982323][ T74] ipv6_add_addr+0x411/0x2000 [ 5161.982323][ T74] inet6_addr_add+0x30e/0xa40 [ 5161.982323][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5161.982323][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5161.982323][ T74] netlink_rcv_skb+0x130/0x360 [ 5161.982323][ T74] netlink_unicast+0x449/0x710 [ 5161.982323][ T74] netlink_sendmsg+0x723/0xbe0 [ 5161.982323][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5161.982323][ T74] ___sys_sendmsg+0xee/0x170 [ 5161.982323][ T74] __sys_sendmsg+0xcd/0x170 [ 5161.982323][ T74] do_syscall_64+0xc6/0x1e0 [ 5161.982323][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5161.982323][ T74] [ 5161.984346][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5161.984346][ T74] netdev_get_by_index+0x5e/0x80 [ 5161.984346][ T74] fib6_nh_init+0x3d8/0x1580 [ 5161.984346][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5161.984346][ T74] ip6_route_add+0x1c/0x140 [ 5161.984346][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5161.984346][ T74] addrconf_add_dev+0xe2/0x170 [ 5161.984346][ T74] inet6_addr_add+0x12f/0xa40 [ 5161.984346][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5161.984346][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5161.984346][ T74] netlink_rcv_skb+0x130/0x360 [ 5161.984346][ T74] netlink_unicast+0x449/0x710 [ 5161.984346][ T74] netlink_sendmsg+0x723/0xbe0 [ 5161.984346][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5161.984346][ T74] ___sys_sendmsg+0xee/0x170 [ 5161.984346][ T74] __sys_sendmsg+0xcd/0x170 [ 5161.984346][ T74] do_syscall_64+0xc6/0x1e0 [ 5161.984346][ T74] [ 5161.986331][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5161.986331][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5161.986331][ T74] ipv6_find_idev+0x102/0x170 [ 5161.986331][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5161.986331][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5161.986331][ T74] netlink_rcv_skb+0x130/0x360 [ 5161.986331][ T74] netlink_unicast+0x449/0x710 [ 5161.986331][ T74] netlink_sendmsg+0x723/0xbe0 [ 5161.986331][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5161.986331][ T74] ___sys_sendmsg+0xee/0x170 [ 5161.986331][ T74] __sys_sendmsg+0xcd/0x170 [ 5161.986331][ T74] do_syscall_64+0xc6/0x1e0 [ 5161.986331][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5161.986331][ T74] [ 5161.987885][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5161.987885][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5161.987885][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5161.987885][ T74] ipv6_find_idev+0x102/0x170 [ 5161.987885][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5161.987885][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5161.987885][ T74] netlink_rcv_skb+0x130/0x360 [ 5161.987885][ T74] netlink_unicast+0x449/0x710 [ 5161.987885][ T74] netlink_sendmsg+0x723/0xbe0 [ 5161.987885][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5161.987885][ T74] ___sys_sendmsg+0xee/0x170 [ 5161.987885][ T74] __sys_sendmsg+0xcd/0x170 [ 5161.987885][ T74] do_syscall_64+0xc6/0x1e0 [ 5161.987885][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5161.987885][ T74] [ 5161.989601][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5161.989883][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5161.989883][ T74] dst_init+0x84/0x4a0 [ 5161.989883][ T74] dst_alloc+0x97/0x150 [ 5161.989883][ T74] ip6_dst_alloc+0x23/0x90 [ 5161.989883][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5161.989883][ T74] ip6_pol_route+0x56f/0x840 [ 5161.989883][ T74] fib6_rule_lookup+0x456/0x630 [ 5161.989883][ T74] ip6_route_input+0x59c/0xa50 [ 5161.989883][ T74] ipv6_rcv+0x397/0x810 [ 5161.989883][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5161.989883][ T74] process_backlog+0x101/0x620 [ 5161.989883][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5161.989883][ T74] net_rx_action+0x495/0xbe0 [ 5161.989883][ T74] __do_softirq+0x1b5/0x7f6 [ 5161.989883][ T74] [ 5161.991528][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5161.991528][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5161.991528][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5161.991528][ T74] fib6_nh_init+0xa22/0x1580 [ 5161.991528][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5161.991528][ T74] ip6_route_add+0x1c/0x140 [ 5161.991528][ T74] inet6_rtm_newroute+0x104/0x110 [ 5161.991528][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5161.991528][ T74] netlink_rcv_skb+0x130/0x360 [ 5161.991528][ T74] netlink_unicast+0x449/0x710 [ 5161.991528][ T74] netlink_sendmsg+0x723/0xbe0 [ 5161.991528][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5161.991528][ T74] ___sys_sendmsg+0xee/0x170 [ 5161.991528][ T74] __sys_sendmsg+0xcd/0x170 [ 5161.991528][ T74] do_syscall_64+0xc6/0x1e0 [ 5161.991528][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5161.991528][ T74] [ 5161.993413][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5161.993413][ T74] netdev_get_by_index+0x5e/0x80 [ 5161.993413][ T74] fib6_nh_init+0x3d8/0x1580 [ 5161.993413][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5161.993413][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5161.993413][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5161.993413][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5161.993413][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5161.993413][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5161.993413][ T74] addrconf_dad_begin+0x310/0x670 [ 5161.993413][ T74] addrconf_dad_work+0x10b/0xab0 [ 5161.993413][ T74] process_one_work+0x84d/0x18a0 [ 5161.993413][ T74] worker_thread+0x587/0xd30 [ 5161.993413][ T74] kthread+0x28a/0x350 [ 5161.993413][ T74] ret_from_fork+0x31/0x70 [ 5161.993413][ T74] ret_from_fork_asm+0x1a/0x30 [ 5161.993413][ T74] [ 5161.995346][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5161.995346][ T74] netdev_get_by_index+0x5e/0x80 [ 5161.995346][ T74] fib6_nh_init+0x3d8/0x1580 [ 5161.995346][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5161.995346][ T74] ip6_route_add+0x1c/0x140 [ 5161.995346][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5161.995346][ T74] inet6_addr_add+0x4f8/0xa40 [ 5161.995346][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5161.995346][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5161.995346][ T74] netlink_rcv_skb+0x130/0x360 [ 5161.995346][ T74] netlink_unicast+0x449/0x710 [ 5161.995346][ T74] netlink_sendmsg+0x723/0xbe0 [ 5161.995346][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5161.995346][ T74] ___sys_sendmsg+0xee/0x170 [ 5161.995346][ T74] __sys_sendmsg+0xcd/0x170 [ 5161.995346][ T74] do_syscall_64+0xc6/0x1e0 [ 5161.995346][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5161.995346][ T74] [ 5161.997377][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5161.997377][ T74] netdev_get_by_index+0x5e/0x80 [ 5161.997377][ T74] fib6_nh_init+0x3d8/0x1580 [ 5161.997377][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5161.997377][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5161.997377][ T74] ipv6_add_addr+0x411/0x2000 [ 5161.997377][ T74] inet6_addr_add+0x30e/0xa40 [ 5161.997377][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5161.997377][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5161.997377][ T74] netlink_rcv_skb+0x130/0x360 [ 5161.997377][ T74] netlink_unicast+0x449/0x710 [ 5161.997377][ T74] netlink_sendmsg+0x723/0xbe0 [ 5161.997377][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5161.997377][ T74] ___sys_sendmsg+0xee/0x170 [ 5161.997377][ T74] __sys_sendmsg+0xcd/0x170 [ 5161.997377][ T74] do_syscall_64+0xc6/0x1e0 [ 5161.997377][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5161.997377][ T74] [ 5161.999370][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5161.999370][ T74] netdev_get_by_index+0x5e/0x80 [ 5161.999370][ T74] fib6_nh_init+0x3d8/0x1580 [ 5161.999370][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5161.999370][ T74] ip6_route_add+0x1c/0x140 [ 5161.999370][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5161.999370][ T74] addrconf_add_dev+0xe2/0x170 [ 5161.999370][ T74] inet6_addr_add+0x12f/0xa40 [ 5161.999370][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5161.999370][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5161.999370][ T74] netlink_rcv_skb+0x130/0x360 [ 5161.999370][ T74] netlink_unicast+0x449/0x710 [ 5161.999370][ T74] netlink_sendmsg+0x723/0xbe0 [ 5161.999370][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5161.999370][ T74] ___sys_sendmsg+0xee/0x170 [ 5161.999370][ T74] __sys_sendmsg+0xcd/0x170 [ 5161.999370][ T74] do_syscall_64+0xc6/0x1e0 [ 5161.999370][ T74] [ 5162.001338][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5162.001338][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5162.001338][ T74] ipv6_find_idev+0x102/0x170 [ 5162.001338][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5162.001338][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5162.001338][ T74] netlink_rcv_skb+0x130/0x360 [ 5162.001338][ T74] netlink_unicast+0x449/0x710 [ 5162.001338][ T74] netlink_sendmsg+0x723/0xbe0 [ 5162.001338][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5162.001338][ T74] ___sys_sendmsg+0xee/0x170 [ 5162.001338][ T74] __sys_sendmsg+0xcd/0x170 [ 5162.001338][ T74] do_syscall_64+0xc6/0x1e0 [ 5162.001338][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5162.001338][ T74] [ 5162.003006][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5162.003006][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5162.003006][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5162.003006][ T74] ipv6_find_idev+0x102/0x170 [ 5162.003006][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5162.003006][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5162.003006][ T74] netlink_rcv_skb+0x130/0x360 [ 5162.003006][ T74] netlink_unicast+0x449/0x710 [ 5162.003006][ T74] netlink_sendmsg+0x723/0xbe0 [ 5162.003006][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5162.003006][ T74] ___sys_sendmsg+0xee/0x170 [ 5162.003006][ T74] __sys_sendmsg+0xcd/0x170 [ 5162.003006][ T74] do_syscall_64+0xc6/0x1e0 [ 5162.003006][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5162.003006][ T74] [ 5162.005013][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5162.005254][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5162.005254][ T74] netdev_get_by_index+0x5e/0x80 [ 5162.005254][ T74] fib6_nh_init+0x3d8/0x1580 [ 5162.005254][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5162.005254][ T74] ip6_route_add+0x1c/0x140 [ 5162.005254][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5162.005254][ T74] inet6_addr_add+0x4f8/0xa40 [ 5162.005254][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5162.005254][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5162.005254][ T74] netlink_rcv_skb+0x130/0x360 [ 5162.005254][ T74] netlink_unicast+0x449/0x710 [ 5162.005254][ T74] netlink_sendmsg+0x723/0xbe0 [ 5162.005254][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5162.005254][ T74] ___sys_sendmsg+0xee/0x170 [ 5162.005254][ T74] __sys_sendmsg+0xcd/0x170 [ 5162.005254][ T74] do_syscall_64+0xc6/0x1e0 [ 5162.005254][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5162.005254][ T74] [ 5162.007508][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5162.007508][ T74] netdev_get_by_index+0x5e/0x80 [ 5162.007508][ T74] fib6_nh_init+0x3d8/0x1580 [ 5162.007508][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5162.007508][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5162.007508][ T74] ipv6_add_addr+0x411/0x2000 [ 5162.007508][ T74] inet6_addr_add+0x30e/0xa40 [ 5162.007508][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5162.007508][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5162.007508][ T74] netlink_rcv_skb+0x130/0x360 [ 5162.007508][ T74] netlink_unicast+0x449/0x710 [ 5162.007508][ T74] netlink_sendmsg+0x723/0xbe0 [ 5162.007508][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5162.007508][ T74] ___sys_sendmsg+0xee/0x170 [ 5162.007508][ T74] __sys_sendmsg+0xcd/0x170 [ 5162.007508][ T74] do_syscall_64+0xc6/0x1e0 [ 5162.007508][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5162.007508][ T74] [ 5162.009789][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5162.009789][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5162.009789][ T74] ipv6_find_idev+0x102/0x170 [ 5162.009789][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5162.009789][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5162.009789][ T74] netlink_rcv_skb+0x130/0x360 [ 5162.009789][ T74] netlink_unicast+0x449/0x710 [ 5162.009789][ T74] netlink_sendmsg+0x723/0xbe0 [ 5162.009789][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5162.009789][ T74] ___sys_sendmsg+0xee/0x170 [ 5162.009789][ T74] __sys_sendmsg+0xcd/0x170 [ 5162.009789][ T74] do_syscall_64+0xc6/0x1e0 [ 5162.009789][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5162.009789][ T74] [ 5162.011569][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5162.011569][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5162.011569][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5162.011569][ T74] ipv6_find_idev+0x102/0x170 [ 5162.011569][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5162.011569][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5162.011569][ T74] netlink_rcv_skb+0x130/0x360 [ 5162.011569][ T74] netlink_unicast+0x449/0x710 [ 5162.011569][ T74] netlink_sendmsg+0x723/0xbe0 [ 5162.011569][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5162.011569][ T74] ___sys_sendmsg+0xee/0x170 [ 5162.011569][ T74] __sys_sendmsg+0xcd/0x170 [ 5162.011569][ T74] do_syscall_64+0xc6/0x1e0 [ 5162.011569][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5162.011569][ T74] [ 5172.263953][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5172.264385][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5172.264385][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5172.264385][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5172.264385][ T74] fib6_nh_init+0xa22/0x1580 [ 5172.264385][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5172.264385][ T74] ip6_route_add+0x1c/0x140 [ 5172.264385][ T74] inet6_rtm_newroute+0x104/0x110 [ 5172.264385][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5172.264385][ T74] netlink_rcv_skb+0x130/0x360 [ 5172.264385][ T74] netlink_unicast+0x449/0x710 [ 5172.264385][ T74] netlink_sendmsg+0x723/0xbe0 [ 5172.264385][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5172.264385][ T74] ___sys_sendmsg+0xee/0x170 [ 5172.264385][ T74] __sys_sendmsg+0xcd/0x170 [ 5172.264385][ T74] do_syscall_64+0xc6/0x1e0 [ 5172.264385][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5172.264385][ T74] [ 5172.266300][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5172.266300][ T74] netdev_get_by_index+0x5e/0x80 [ 5172.266300][ T74] fib6_nh_init+0x3d8/0x1580 [ 5172.266300][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5172.266300][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5172.266300][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5172.266300][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5172.266300][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5172.266300][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5172.266300][ T74] addrconf_dad_begin+0x310/0x670 [ 5172.266300][ T74] addrconf_dad_work+0x10b/0xab0 [ 5172.266300][ T74] process_one_work+0x84d/0x18a0 [ 5172.266300][ T74] worker_thread+0x587/0xd30 [ 5172.266300][ T74] kthread+0x28a/0x350 [ 5172.266300][ T74] ret_from_fork+0x31/0x70 [ 5172.266300][ T74] ret_from_fork_asm+0x1a/0x30 [ 5172.266300][ T74] [ 5172.268222][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5172.268222][ T74] netdev_get_by_index+0x5e/0x80 [ 5172.268222][ T74] fib6_nh_init+0x3d8/0x1580 [ 5172.268222][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5172.268222][ T74] ip6_route_add+0x1c/0x140 [ 5172.268222][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5172.268222][ T74] inet6_addr_add+0x4f8/0xa40 [ 5172.268222][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5172.268222][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5172.268222][ T74] netlink_rcv_skb+0x130/0x360 [ 5172.268222][ T74] netlink_unicast+0x449/0x710 [ 5172.268222][ T74] netlink_sendmsg+0x723/0xbe0 [ 5172.268222][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5172.268222][ T74] ___sys_sendmsg+0xee/0x170 [ 5172.268222][ T74] __sys_sendmsg+0xcd/0x170 [ 5172.268222][ T74] do_syscall_64+0xc6/0x1e0 [ 5172.268222][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5172.268222][ T74] [ 5172.270240][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5172.270240][ T74] netdev_get_by_index+0x5e/0x80 [ 5172.270240][ T74] fib6_nh_init+0x3d8/0x1580 [ 5172.270240][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5172.270240][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5172.270240][ T74] ipv6_add_addr+0x411/0x2000 [ 5172.270240][ T74] inet6_addr_add+0x30e/0xa40 [ 5172.270240][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5172.270240][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5172.270240][ T74] netlink_rcv_skb+0x130/0x360 [ 5172.270240][ T74] netlink_unicast+0x449/0x710 [ 5172.270240][ T74] netlink_sendmsg+0x723/0xbe0 [ 5172.270240][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5172.270240][ T74] ___sys_sendmsg+0xee/0x170 [ 5172.270240][ T74] __sys_sendmsg+0xcd/0x170 [ 5172.270240][ T74] do_syscall_64+0xc6/0x1e0 [ 5172.270240][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5172.270240][ T74] [ 5172.272258][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5172.272258][ T74] netdev_get_by_index+0x5e/0x80 [ 5172.272258][ T74] fib6_nh_init+0x3d8/0x1580 [ 5172.272258][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5172.272258][ T74] ip6_route_add+0x1c/0x140 [ 5172.272258][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5172.272258][ T74] addrconf_add_dev+0xe2/0x170 [ 5172.272258][ T74] inet6_addr_add+0x12f/0xa40 [ 5172.272258][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5172.272258][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5172.272258][ T74] netlink_rcv_skb+0x130/0x360 [ 5172.272258][ T74] netlink_unicast+0x449/0x710 [ 5172.272258][ T74] netlink_sendmsg+0x723/0xbe0 [ 5172.272258][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5172.272258][ T74] ___sys_sendmsg+0xee/0x170 [ 5172.272258][ T74] __sys_sendmsg+0xcd/0x170 [ 5172.272258][ T74] do_syscall_64+0xc6/0x1e0 [ 5172.272258][ T74] [ 5172.274242][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5172.274242][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5172.274242][ T74] ipv6_find_idev+0x102/0x170 [ 5172.274242][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5172.274242][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5172.274242][ T74] netlink_rcv_skb+0x130/0x360 [ 5172.274242][ T74] netlink_unicast+0x449/0x710 [ 5172.274242][ T74] netlink_sendmsg+0x723/0xbe0 [ 5172.274242][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5172.274242][ T74] ___sys_sendmsg+0xee/0x170 [ 5172.274242][ T74] __sys_sendmsg+0xcd/0x170 [ 5172.274242][ T74] do_syscall_64+0xc6/0x1e0 [ 5172.274242][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5172.274242][ T74] [ 5172.275790][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5172.275790][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5172.275790][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5172.275790][ T74] ipv6_find_idev+0x102/0x170 [ 5172.275790][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5172.275790][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5172.275790][ T74] netlink_rcv_skb+0x130/0x360 [ 5172.275790][ T74] netlink_unicast+0x449/0x710 [ 5172.275790][ T74] netlink_sendmsg+0x723/0xbe0 [ 5172.275790][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5172.275790][ T74] ___sys_sendmsg+0xee/0x170 [ 5172.275790][ T74] __sys_sendmsg+0xcd/0x170 [ 5172.275790][ T74] do_syscall_64+0xc6/0x1e0 [ 5172.275790][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5172.275790][ T74] [ 5172.277488][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5172.277764][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5172.277764][ T74] dst_init+0x84/0x4a0 [ 5172.277764][ T74] dst_alloc+0x97/0x150 [ 5172.277764][ T74] ip6_dst_alloc+0x23/0x90 [ 5172.277764][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5172.277764][ T74] ip6_pol_route+0x56f/0x840 [ 5172.277764][ T74] fib6_rule_lookup+0x456/0x630 [ 5172.277764][ T74] ip6_route_input+0x59c/0xa50 [ 5172.277764][ T74] ipv6_rcv+0x397/0x810 [ 5172.277764][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5172.277764][ T74] process_backlog+0x101/0x620 [ 5172.277764][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5172.277764][ T74] net_rx_action+0x495/0xbe0 [ 5172.277764][ T74] __do_softirq+0x1b5/0x7f6 [ 5172.277764][ T74] [ 5172.279428][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5172.279428][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5172.279428][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5172.279428][ T74] fib6_nh_init+0xa22/0x1580 [ 5172.279428][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5172.279428][ T74] ip6_route_add+0x1c/0x140 [ 5172.279428][ T74] inet6_rtm_newroute+0x104/0x110 [ 5172.279428][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5172.279428][ T74] netlink_rcv_skb+0x130/0x360 [ 5172.279428][ T74] netlink_unicast+0x449/0x710 [ 5172.279428][ T74] netlink_sendmsg+0x723/0xbe0 [ 5172.279428][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5172.279428][ T74] ___sys_sendmsg+0xee/0x170 [ 5172.279428][ T74] __sys_sendmsg+0xcd/0x170 [ 5172.279428][ T74] do_syscall_64+0xc6/0x1e0 [ 5172.279428][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5172.279428][ T74] [ 5172.281303][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5172.281303][ T74] netdev_get_by_index+0x5e/0x80 [ 5172.281303][ T74] fib6_nh_init+0x3d8/0x1580 [ 5172.281303][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5172.281303][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5172.281303][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5172.281303][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5172.281303][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5172.281303][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5172.281303][ T74] addrconf_dad_begin+0x310/0x670 [ 5172.281303][ T74] addrconf_dad_work+0x10b/0xab0 [ 5172.281303][ T74] process_one_work+0x84d/0x18a0 [ 5172.281303][ T74] worker_thread+0x587/0xd30 [ 5172.281303][ T74] kthread+0x28a/0x350 [ 5172.281303][ T74] ret_from_fork+0x31/0x70 [ 5172.281303][ T74] ret_from_fork_asm+0x1a/0x30 [ 5172.281303][ T74] [ 5172.283230][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5172.283230][ T74] netdev_get_by_index+0x5e/0x80 [ 5172.283230][ T74] fib6_nh_init+0x3d8/0x1580 [ 5172.283230][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5172.283230][ T74] ip6_route_add+0x1c/0x140 [ 5172.283230][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5172.283230][ T74] inet6_addr_add+0x4f8/0xa40 [ 5172.283230][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5172.283230][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5172.283230][ T74] netlink_rcv_skb+0x130/0x360 [ 5172.283230][ T74] netlink_unicast+0x449/0x710 [ 5172.283230][ T74] netlink_sendmsg+0x723/0xbe0 [ 5172.283230][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5172.283230][ T74] ___sys_sendmsg+0xee/0x170 [ 5172.283230][ T74] __sys_sendmsg+0xcd/0x170 [ 5172.283230][ T74] do_syscall_64+0xc6/0x1e0 [ 5172.283230][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5172.283230][ T74] [ 5172.285237][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5172.285237][ T74] netdev_get_by_index+0x5e/0x80 [ 5172.285237][ T74] fib6_nh_init+0x3d8/0x1580 [ 5172.285237][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5172.285237][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5172.285237][ T74] ipv6_add_addr+0x411/0x2000 [ 5172.285237][ T74] inet6_addr_add+0x30e/0xa40 [ 5172.285237][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5172.285237][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5172.285237][ T74] netlink_rcv_skb+0x130/0x360 [ 5172.285237][ T74] netlink_unicast+0x449/0x710 [ 5172.285237][ T74] netlink_sendmsg+0x723/0xbe0 [ 5172.285237][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5172.285237][ T74] ___sys_sendmsg+0xee/0x170 [ 5172.285237][ T74] __sys_sendmsg+0xcd/0x170 [ 5172.285237][ T74] do_syscall_64+0xc6/0x1e0 [ 5172.285237][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5172.285237][ T74] [ 5172.287235][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5172.287235][ T74] netdev_get_by_index+0x5e/0x80 [ 5172.287235][ T74] fib6_nh_init+0x3d8/0x1580 [ 5172.287235][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5172.287235][ T74] ip6_route_add+0x1c/0x140 [ 5172.287235][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5172.287235][ T74] addrconf_add_dev+0xe2/0x170 [ 5172.287235][ T74] inet6_addr_add+0x12f/0xa40 [ 5172.287235][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5172.287235][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5172.287235][ T74] netlink_rcv_skb+0x130/0x360 [ 5172.287235][ T74] netlink_unicast+0x449/0x710 [ 5172.287235][ T74] netlink_sendmsg+0x723/0xbe0 [ 5172.287235][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5172.287235][ T74] ___sys_sendmsg+0xee/0x170 [ 5172.287235][ T74] __sys_sendmsg+0xcd/0x170 [ 5172.287235][ T74] do_syscall_64+0xc6/0x1e0 [ 5172.287235][ T74] [ 5172.289201][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5172.289201][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5172.289201][ T74] ipv6_find_idev+0x102/0x170 [ 5172.289201][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5172.289201][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5172.289201][ T74] netlink_rcv_skb+0x130/0x360 [ 5172.289201][ T74] netlink_unicast+0x449/0x710 [ 5172.289201][ T74] netlink_sendmsg+0x723/0xbe0 [ 5172.289201][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5172.289201][ T74] ___sys_sendmsg+0xee/0x170 [ 5172.289201][ T74] __sys_sendmsg+0xcd/0x170 [ 5172.289201][ T74] do_syscall_64+0xc6/0x1e0 [ 5172.289201][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5172.289201][ T74] [ 5172.290803][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5172.290803][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5172.290803][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5172.290803][ T74] ipv6_find_idev+0x102/0x170 [ 5172.290803][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5172.290803][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5172.290803][ T74] netlink_rcv_skb+0x130/0x360 [ 5172.290803][ T74] netlink_unicast+0x449/0x710 [ 5172.290803][ T74] netlink_sendmsg+0x723/0xbe0 [ 5172.290803][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5172.290803][ T74] ___sys_sendmsg+0xee/0x170 [ 5172.290803][ T74] __sys_sendmsg+0xcd/0x170 [ 5172.290803][ T74] do_syscall_64+0xc6/0x1e0 [ 5172.290803][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5172.290803][ T74] [ 5172.292705][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5172.292955][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5172.292955][ T74] netdev_get_by_index+0x5e/0x80 [ 5172.292955][ T74] fib6_nh_init+0x3d8/0x1580 [ 5172.292955][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5172.292955][ T74] ip6_route_add+0x1c/0x140 [ 5172.292955][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5172.292955][ T74] inet6_addr_add+0x4f8/0xa40 [ 5172.292955][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5172.292955][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5172.292955][ T74] netlink_rcv_skb+0x130/0x360 [ 5172.292955][ T74] netlink_unicast+0x449/0x710 [ 5172.292955][ T74] netlink_sendmsg+0x723/0xbe0 [ 5172.292955][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5172.292955][ T74] ___sys_sendmsg+0xee/0x170 [ 5172.292955][ T74] __sys_sendmsg+0xcd/0x170 [ 5172.292955][ T74] do_syscall_64+0xc6/0x1e0 [ 5172.292955][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5172.292955][ T74] [ 5172.295102][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5172.295102][ T74] netdev_get_by_index+0x5e/0x80 [ 5172.295102][ T74] fib6_nh_init+0x3d8/0x1580 [ 5172.295102][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5172.295102][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5172.295102][ T74] ipv6_add_addr+0x411/0x2000 [ 5172.295102][ T74] inet6_addr_add+0x30e/0xa40 [ 5172.295102][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5172.295102][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5172.295102][ T74] netlink_rcv_skb+0x130/0x360 [ 5172.295102][ T74] netlink_unicast+0x449/0x710 [ 5172.295102][ T74] netlink_sendmsg+0x723/0xbe0 [ 5172.295102][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5172.295102][ T74] ___sys_sendmsg+0xee/0x170 [ 5172.295102][ T74] __sys_sendmsg+0xcd/0x170 [ 5172.295102][ T74] do_syscall_64+0xc6/0x1e0 [ 5172.295102][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5172.295102][ T74] [ 5172.297224][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5172.297224][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5172.297224][ T74] ipv6_find_idev+0x102/0x170 [ 5172.297224][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5172.297224][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5172.297224][ T74] netlink_rcv_skb+0x130/0x360 [ 5172.297224][ T74] netlink_unicast+0x449/0x710 [ 5172.297224][ T74] netlink_sendmsg+0x723/0xbe0 [ 5172.297224][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5172.297224][ T74] ___sys_sendmsg+0xee/0x170 [ 5172.297224][ T74] __sys_sendmsg+0xcd/0x170 [ 5172.297224][ T74] do_syscall_64+0xc6/0x1e0 [ 5172.297224][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5172.297224][ T74] [ 5172.298841][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5172.298841][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5172.298841][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5172.298841][ T74] ipv6_find_idev+0x102/0x170 [ 5172.298841][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5172.298841][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5172.298841][ T74] netlink_rcv_skb+0x130/0x360 [ 5172.298841][ T74] netlink_unicast+0x449/0x710 [ 5172.298841][ T74] netlink_sendmsg+0x723/0xbe0 [ 5172.298841][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5172.298841][ T74] ___sys_sendmsg+0xee/0x170 [ 5172.298841][ T74] __sys_sendmsg+0xcd/0x170 [ 5172.298841][ T74] do_syscall_64+0xc6/0x1e0 [ 5172.298841][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5172.298841][ T74] [ 5182.336979][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5182.337429][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5182.337429][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5182.337429][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5182.337429][ T74] fib6_nh_init+0xa22/0x1580 [ 5182.337429][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5182.337429][ T74] ip6_route_add+0x1c/0x140 [ 5182.337429][ T74] inet6_rtm_newroute+0x104/0x110 [ 5182.337429][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5182.337429][ T74] netlink_rcv_skb+0x130/0x360 [ 5182.337429][ T74] netlink_unicast+0x449/0x710 [ 5182.337429][ T74] netlink_sendmsg+0x723/0xbe0 [ 5182.337429][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5182.337429][ T74] ___sys_sendmsg+0xee/0x170 [ 5182.337429][ T74] __sys_sendmsg+0xcd/0x170 [ 5182.337429][ T74] do_syscall_64+0xc6/0x1e0 [ 5182.337429][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5182.337429][ T74] [ 5182.339356][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5182.339356][ T74] netdev_get_by_index+0x5e/0x80 [ 5182.339356][ T74] fib6_nh_init+0x3d8/0x1580 [ 5182.339356][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5182.339356][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5182.339356][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5182.339356][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5182.339356][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5182.339356][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5182.339356][ T74] addrconf_dad_begin+0x310/0x670 [ 5182.339356][ T74] addrconf_dad_work+0x10b/0xab0 [ 5182.339356][ T74] process_one_work+0x84d/0x18a0 [ 5182.339356][ T74] worker_thread+0x587/0xd30 [ 5182.339356][ T74] kthread+0x28a/0x350 [ 5182.339356][ T74] ret_from_fork+0x31/0x70 [ 5182.339356][ T74] ret_from_fork_asm+0x1a/0x30 [ 5182.339356][ T74] [ 5182.341333][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5182.341333][ T74] netdev_get_by_index+0x5e/0x80 [ 5182.341333][ T74] fib6_nh_init+0x3d8/0x1580 [ 5182.341333][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5182.341333][ T74] ip6_route_add+0x1c/0x140 [ 5182.341333][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5182.341333][ T74] inet6_addr_add+0x4f8/0xa40 [ 5182.341333][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5182.341333][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5182.341333][ T74] netlink_rcv_skb+0x130/0x360 [ 5182.341333][ T74] netlink_unicast+0x449/0x710 [ 5182.341333][ T74] netlink_sendmsg+0x723/0xbe0 [ 5182.341333][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5182.341333][ T74] ___sys_sendmsg+0xee/0x170 [ 5182.341333][ T74] __sys_sendmsg+0xcd/0x170 [ 5182.341333][ T74] do_syscall_64+0xc6/0x1e0 [ 5182.341333][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5182.341333][ T74] [ 5182.343376][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5182.343376][ T74] netdev_get_by_index+0x5e/0x80 [ 5182.343376][ T74] fib6_nh_init+0x3d8/0x1580 [ 5182.343376][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5182.343376][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5182.343376][ T74] ipv6_add_addr+0x411/0x2000 [ 5182.343376][ T74] inet6_addr_add+0x30e/0xa40 [ 5182.343376][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5182.343376][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5182.343376][ T74] netlink_rcv_skb+0x130/0x360 [ 5182.343376][ T74] netlink_unicast+0x449/0x710 [ 5182.343376][ T74] netlink_sendmsg+0x723/0xbe0 [ 5182.343376][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5182.343376][ T74] ___sys_sendmsg+0xee/0x170 [ 5182.343376][ T74] __sys_sendmsg+0xcd/0x170 [ 5182.343376][ T74] do_syscall_64+0xc6/0x1e0 [ 5182.343376][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5182.343376][ T74] [ 5182.345418][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5182.345418][ T74] netdev_get_by_index+0x5e/0x80 [ 5182.345418][ T74] fib6_nh_init+0x3d8/0x1580 [ 5182.345418][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5182.345418][ T74] ip6_route_add+0x1c/0x140 [ 5182.345418][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5182.345418][ T74] addrconf_add_dev+0xe2/0x170 [ 5182.345418][ T74] inet6_addr_add+0x12f/0xa40 [ 5182.345418][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5182.345418][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5182.345418][ T74] netlink_rcv_skb+0x130/0x360 [ 5182.345418][ T74] netlink_unicast+0x449/0x710 [ 5182.345418][ T74] netlink_sendmsg+0x723/0xbe0 [ 5182.345418][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5182.345418][ T74] ___sys_sendmsg+0xee/0x170 [ 5182.345418][ T74] __sys_sendmsg+0xcd/0x170 [ 5182.345418][ T74] do_syscall_64+0xc6/0x1e0 [ 5182.345418][ T74] [ 5182.347411][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5182.347411][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5182.347411][ T74] ipv6_find_idev+0x102/0x170 [ 5182.347411][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5182.347411][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5182.347411][ T74] netlink_rcv_skb+0x130/0x360 [ 5182.347411][ T74] netlink_unicast+0x449/0x710 [ 5182.347411][ T74] netlink_sendmsg+0x723/0xbe0 [ 5182.347411][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5182.347411][ T74] ___sys_sendmsg+0xee/0x170 [ 5182.347411][ T74] __sys_sendmsg+0xcd/0x170 [ 5182.347411][ T74] do_syscall_64+0xc6/0x1e0 [ 5182.347411][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5182.347411][ T74] [ 5182.348974][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5182.348974][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5182.348974][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5182.348974][ T74] ipv6_find_idev+0x102/0x170 [ 5182.348974][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5182.348974][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5182.348974][ T74] netlink_rcv_skb+0x130/0x360 [ 5182.348974][ T74] netlink_unicast+0x449/0x710 [ 5182.348974][ T74] netlink_sendmsg+0x723/0xbe0 [ 5182.348974][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5182.348974][ T74] ___sys_sendmsg+0xee/0x170 [ 5182.348974][ T74] __sys_sendmsg+0xcd/0x170 [ 5182.348974][ T74] do_syscall_64+0xc6/0x1e0 [ 5182.348974][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5182.348974][ T74] [ 5182.350681][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5182.350965][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5182.350965][ T74] dst_init+0x84/0x4a0 [ 5182.350965][ T74] dst_alloc+0x97/0x150 [ 5182.350965][ T74] ip6_dst_alloc+0x23/0x90 [ 5182.350965][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5182.350965][ T74] ip6_pol_route+0x56f/0x840 [ 5182.350965][ T74] fib6_rule_lookup+0x456/0x630 [ 5182.350965][ T74] ip6_route_input+0x59c/0xa50 [ 5182.350965][ T74] ipv6_rcv+0x397/0x810 [ 5182.350965][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5182.350965][ T74] process_backlog+0x101/0x620 [ 5182.350965][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5182.350965][ T74] net_rx_action+0x495/0xbe0 [ 5182.350965][ T74] __do_softirq+0x1b5/0x7f6 [ 5182.350965][ T74] [ 5182.352623][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5182.352623][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5182.352623][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5182.352623][ T74] fib6_nh_init+0xa22/0x1580 [ 5182.352623][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5182.352623][ T74] ip6_route_add+0x1c/0x140 [ 5182.352623][ T74] inet6_rtm_newroute+0x104/0x110 [ 5182.352623][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5182.352623][ T74] netlink_rcv_skb+0x130/0x360 [ 5182.352623][ T74] netlink_unicast+0x449/0x710 [ 5182.352623][ T74] netlink_sendmsg+0x723/0xbe0 [ 5182.352623][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5182.352623][ T74] ___sys_sendmsg+0xee/0x170 [ 5182.352623][ T74] __sys_sendmsg+0xcd/0x170 [ 5182.352623][ T74] do_syscall_64+0xc6/0x1e0 [ 5182.352623][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5182.352623][ T74] [ 5182.354523][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5182.354523][ T74] netdev_get_by_index+0x5e/0x80 [ 5182.354523][ T74] fib6_nh_init+0x3d8/0x1580 [ 5182.354523][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5182.354523][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5182.354523][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5182.354523][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5182.354523][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5182.354523][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5182.354523][ T74] addrconf_dad_begin+0x310/0x670 [ 5182.354523][ T74] addrconf_dad_work+0x10b/0xab0 [ 5182.354523][ T74] process_one_work+0x84d/0x18a0 [ 5182.354523][ T74] worker_thread+0x587/0xd30 [ 5182.354523][ T74] kthread+0x28a/0x350 [ 5182.354523][ T74] ret_from_fork+0x31/0x70 [ 5182.354523][ T74] ret_from_fork_asm+0x1a/0x30 [ 5182.354523][ T74] [ 5182.356443][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5182.356443][ T74] netdev_get_by_index+0x5e/0x80 [ 5182.356443][ T74] fib6_nh_init+0x3d8/0x1580 [ 5182.356443][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5182.356443][ T74] ip6_route_add+0x1c/0x140 [ 5182.356443][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5182.356443][ T74] inet6_addr_add+0x4f8/0xa40 [ 5182.356443][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5182.356443][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5182.356443][ T74] netlink_rcv_skb+0x130/0x360 [ 5182.356443][ T74] netlink_unicast+0x449/0x710 [ 5182.356443][ T74] netlink_sendmsg+0x723/0xbe0 [ 5182.356443][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5182.356443][ T74] ___sys_sendmsg+0xee/0x170 [ 5182.356443][ T74] __sys_sendmsg+0xcd/0x170 [ 5182.356443][ T74] do_syscall_64+0xc6/0x1e0 [ 5182.356443][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5182.356443][ T74] [ 5182.358464][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5182.358464][ T74] netdev_get_by_index+0x5e/0x80 [ 5182.358464][ T74] fib6_nh_init+0x3d8/0x1580 [ 5182.358464][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5182.358464][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5182.358464][ T74] ipv6_add_addr+0x411/0x2000 [ 5182.358464][ T74] inet6_addr_add+0x30e/0xa40 [ 5182.358464][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5182.358464][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5182.358464][ T74] netlink_rcv_skb+0x130/0x360 [ 5182.358464][ T74] netlink_unicast+0x449/0x710 [ 5182.358464][ T74] netlink_sendmsg+0x723/0xbe0 [ 5182.358464][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5182.358464][ T74] ___sys_sendmsg+0xee/0x170 [ 5182.358464][ T74] __sys_sendmsg+0xcd/0x170 [ 5182.358464][ T74] do_syscall_64+0xc6/0x1e0 [ 5182.358464][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5182.358464][ T74] [ 5182.360478][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5182.360478][ T74] netdev_get_by_index+0x5e/0x80 [ 5182.360478][ T74] fib6_nh_init+0x3d8/0x1580 [ 5182.360478][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5182.360478][ T74] ip6_route_add+0x1c/0x140 [ 5182.360478][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5182.360478][ T74] addrconf_add_dev+0xe2/0x170 [ 5182.360478][ T74] inet6_addr_add+0x12f/0xa40 [ 5182.360478][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5182.360478][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5182.360478][ T74] netlink_rcv_skb+0x130/0x360 [ 5182.360478][ T74] netlink_unicast+0x449/0x710 [ 5182.360478][ T74] netlink_sendmsg+0x723/0xbe0 [ 5182.360478][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5182.360478][ T74] ___sys_sendmsg+0xee/0x170 [ 5182.360478][ T74] __sys_sendmsg+0xcd/0x170 [ 5182.360478][ T74] do_syscall_64+0xc6/0x1e0 [ 5182.360478][ T74] [ 5182.362475][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5182.362475][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5182.362475][ T74] ipv6_find_idev+0x102/0x170 [ 5182.362475][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5182.362475][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5182.362475][ T74] netlink_rcv_skb+0x130/0x360 [ 5182.362475][ T74] netlink_unicast+0x449/0x710 [ 5182.362475][ T74] netlink_sendmsg+0x723/0xbe0 [ 5182.362475][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5182.362475][ T74] ___sys_sendmsg+0xee/0x170 [ 5182.362475][ T74] __sys_sendmsg+0xcd/0x170 [ 5182.362475][ T74] do_syscall_64+0xc6/0x1e0 [ 5182.362475][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5182.362475][ T74] [ 5182.364175][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5182.364175][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5182.364175][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5182.364175][ T74] ipv6_find_idev+0x102/0x170 [ 5182.364175][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5182.364175][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5182.364175][ T74] netlink_rcv_skb+0x130/0x360 [ 5182.364175][ T74] netlink_unicast+0x449/0x710 [ 5182.364175][ T74] netlink_sendmsg+0x723/0xbe0 [ 5182.364175][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5182.364175][ T74] ___sys_sendmsg+0xee/0x170 [ 5182.364175][ T74] __sys_sendmsg+0xcd/0x170 [ 5182.364175][ T74] do_syscall_64+0xc6/0x1e0 [ 5182.364175][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5182.364175][ T74] [ 5182.366085][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5182.366391][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5182.366391][ T74] netdev_get_by_index+0x5e/0x80 [ 5182.366391][ T74] fib6_nh_init+0x3d8/0x1580 [ 5182.366391][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5182.366391][ T74] ip6_route_add+0x1c/0x140 [ 5182.366391][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5182.366391][ T74] inet6_addr_add+0x4f8/0xa40 [ 5182.366391][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5182.366391][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5182.366391][ T74] netlink_rcv_skb+0x130/0x360 [ 5182.366391][ T74] netlink_unicast+0x449/0x710 [ 5182.366391][ T74] netlink_sendmsg+0x723/0xbe0 [ 5182.366391][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5182.366391][ T74] ___sys_sendmsg+0xee/0x170 [ 5182.366391][ T74] __sys_sendmsg+0xcd/0x170 [ 5182.366391][ T74] do_syscall_64+0xc6/0x1e0 [ 5182.366391][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5182.366391][ T74] [ 5182.368612][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5182.368612][ T74] netdev_get_by_index+0x5e/0x80 [ 5182.368612][ T74] fib6_nh_init+0x3d8/0x1580 [ 5182.368612][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5182.368612][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5182.368612][ T74] ipv6_add_addr+0x411/0x2000 [ 5182.368612][ T74] inet6_addr_add+0x30e/0xa40 [ 5182.368612][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5182.368612][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5182.368612][ T74] netlink_rcv_skb+0x130/0x360 [ 5182.368612][ T74] netlink_unicast+0x449/0x710 [ 5182.368612][ T74] netlink_sendmsg+0x723/0xbe0 [ 5182.368612][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5182.368612][ T74] ___sys_sendmsg+0xee/0x170 [ 5182.368612][ T74] __sys_sendmsg+0xcd/0x170 [ 5182.368612][ T74] do_syscall_64+0xc6/0x1e0 [ 5182.368612][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5182.368612][ T74] [ 5182.370873][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5182.370873][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5182.370873][ T74] ipv6_find_idev+0x102/0x170 [ 5182.370873][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5182.370873][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5182.370873][ T74] netlink_rcv_skb+0x130/0x360 [ 5182.370873][ T74] netlink_unicast+0x449/0x710 [ 5182.370873][ T74] netlink_sendmsg+0x723/0xbe0 [ 5182.370873][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5182.370873][ T74] ___sys_sendmsg+0xee/0x170 [ 5182.370873][ T74] __sys_sendmsg+0xcd/0x170 [ 5182.370873][ T74] do_syscall_64+0xc6/0x1e0 [ 5182.370873][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5182.370873][ T74] [ 5182.372608][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5182.372608][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5182.372608][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5182.372608][ T74] ipv6_find_idev+0x102/0x170 [ 5182.372608][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5182.372608][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5182.372608][ T74] netlink_rcv_skb+0x130/0x360 [ 5182.372608][ T74] netlink_unicast+0x449/0x710 [ 5182.372608][ T74] netlink_sendmsg+0x723/0xbe0 [ 5182.372608][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5182.372608][ T74] ___sys_sendmsg+0xee/0x170 [ 5182.372608][ T74] __sys_sendmsg+0xcd/0x170 [ 5182.372608][ T74] do_syscall_64+0xc6/0x1e0 [ 5182.372608][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5182.372608][ T74] [ 5192.554456][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5192.554907][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5192.554907][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5192.554907][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5192.554907][ T74] fib6_nh_init+0xa22/0x1580 [ 5192.554907][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5192.554907][ T74] ip6_route_add+0x1c/0x140 [ 5192.554907][ T74] inet6_rtm_newroute+0x104/0x110 [ 5192.554907][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5192.554907][ T74] netlink_rcv_skb+0x130/0x360 [ 5192.554907][ T74] netlink_unicast+0x449/0x710 [ 5192.554907][ T74] netlink_sendmsg+0x723/0xbe0 [ 5192.554907][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5192.554907][ T74] ___sys_sendmsg+0xee/0x170 [ 5192.554907][ T74] __sys_sendmsg+0xcd/0x170 [ 5192.554907][ T74] do_syscall_64+0xc6/0x1e0 [ 5192.554907][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5192.554907][ T74] [ 5192.556863][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5192.556863][ T74] netdev_get_by_index+0x5e/0x80 [ 5192.556863][ T74] fib6_nh_init+0x3d8/0x1580 [ 5192.556863][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5192.556863][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5192.556863][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5192.556863][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5192.556863][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5192.556863][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5192.556863][ T74] addrconf_dad_begin+0x310/0x670 [ 5192.556863][ T74] addrconf_dad_work+0x10b/0xab0 [ 5192.556863][ T74] process_one_work+0x84d/0x18a0 [ 5192.556863][ T74] worker_thread+0x587/0xd30 [ 5192.556863][ T74] kthread+0x28a/0x350 [ 5192.556863][ T74] ret_from_fork+0x31/0x70 [ 5192.556863][ T74] ret_from_fork_asm+0x1a/0x30 [ 5192.556863][ T74] [ 5192.558842][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5192.558842][ T74] netdev_get_by_index+0x5e/0x80 [ 5192.558842][ T74] fib6_nh_init+0x3d8/0x1580 [ 5192.558842][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5192.558842][ T74] ip6_route_add+0x1c/0x140 [ 5192.558842][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5192.558842][ T74] inet6_addr_add+0x4f8/0xa40 [ 5192.558842][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5192.558842][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5192.558842][ T74] netlink_rcv_skb+0x130/0x360 [ 5192.558842][ T74] netlink_unicast+0x449/0x710 [ 5192.558842][ T74] netlink_sendmsg+0x723/0xbe0 [ 5192.558842][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5192.558842][ T74] ___sys_sendmsg+0xee/0x170 [ 5192.558842][ T74] __sys_sendmsg+0xcd/0x170 [ 5192.558842][ T74] do_syscall_64+0xc6/0x1e0 [ 5192.558842][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5192.558842][ T74] [ 5192.560901][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5192.560901][ T74] netdev_get_by_index+0x5e/0x80 [ 5192.560901][ T74] fib6_nh_init+0x3d8/0x1580 [ 5192.560901][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5192.560901][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5192.560901][ T74] ipv6_add_addr+0x411/0x2000 [ 5192.560901][ T74] inet6_addr_add+0x30e/0xa40 [ 5192.560901][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5192.560901][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5192.560901][ T74] netlink_rcv_skb+0x130/0x360 [ 5192.560901][ T74] netlink_unicast+0x449/0x710 [ 5192.560901][ T74] netlink_sendmsg+0x723/0xbe0 [ 5192.560901][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5192.560901][ T74] ___sys_sendmsg+0xee/0x170 [ 5192.560901][ T74] __sys_sendmsg+0xcd/0x170 [ 5192.560901][ T74] do_syscall_64+0xc6/0x1e0 [ 5192.560901][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5192.560901][ T74] [ 5192.562961][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5192.562961][ T74] netdev_get_by_index+0x5e/0x80 [ 5192.562961][ T74] fib6_nh_init+0x3d8/0x1580 [ 5192.562961][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5192.562961][ T74] ip6_route_add+0x1c/0x140 [ 5192.562961][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5192.562961][ T74] addrconf_add_dev+0xe2/0x170 [ 5192.562961][ T74] inet6_addr_add+0x12f/0xa40 [ 5192.562961][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5192.562961][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5192.562961][ T74] netlink_rcv_skb+0x130/0x360 [ 5192.562961][ T74] netlink_unicast+0x449/0x710 [ 5192.562961][ T74] netlink_sendmsg+0x723/0xbe0 [ 5192.562961][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5192.562961][ T74] ___sys_sendmsg+0xee/0x170 [ 5192.562961][ T74] __sys_sendmsg+0xcd/0x170 [ 5192.562961][ T74] do_syscall_64+0xc6/0x1e0 [ 5192.562961][ T74] [ 5192.565002][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5192.565002][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5192.565002][ T74] ipv6_find_idev+0x102/0x170 [ 5192.565002][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5192.565002][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5192.565002][ T74] netlink_rcv_skb+0x130/0x360 [ 5192.565002][ T74] netlink_unicast+0x449/0x710 [ 5192.565002][ T74] netlink_sendmsg+0x723/0xbe0 [ 5192.565002][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5192.565002][ T74] ___sys_sendmsg+0xee/0x170 [ 5192.565002][ T74] __sys_sendmsg+0xcd/0x170 [ 5192.565002][ T74] do_syscall_64+0xc6/0x1e0 [ 5192.565002][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5192.565002][ T74] [ 5192.566592][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5192.566592][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5192.566592][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5192.566592][ T74] ipv6_find_idev+0x102/0x170 [ 5192.566592][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5192.566592][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5192.566592][ T74] netlink_rcv_skb+0x130/0x360 [ 5192.566592][ T74] netlink_unicast+0x449/0x710 [ 5192.566592][ T74] netlink_sendmsg+0x723/0xbe0 [ 5192.566592][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5192.566592][ T74] ___sys_sendmsg+0xee/0x170 [ 5192.566592][ T74] __sys_sendmsg+0xcd/0x170 [ 5192.566592][ T74] do_syscall_64+0xc6/0x1e0 [ 5192.566592][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5192.566592][ T74] [ 5192.568358][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5192.568640][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5192.568640][ T74] dst_init+0x84/0x4a0 [ 5192.568640][ T74] dst_alloc+0x97/0x150 [ 5192.568640][ T74] ip6_dst_alloc+0x23/0x90 [ 5192.568640][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5192.568640][ T74] ip6_pol_route+0x56f/0x840 [ 5192.568640][ T74] fib6_rule_lookup+0x456/0x630 [ 5192.568640][ T74] ip6_route_input+0x59c/0xa50 [ 5192.568640][ T74] ipv6_rcv+0x397/0x810 [ 5192.568640][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5192.568640][ T74] process_backlog+0x101/0x620 [ 5192.568640][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5192.568640][ T74] net_rx_action+0x495/0xbe0 [ 5192.568640][ T74] __do_softirq+0x1b5/0x7f6 [ 5192.568640][ T74] [ 5192.570344][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5192.570344][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5192.570344][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5192.570344][ T74] fib6_nh_init+0xa22/0x1580 [ 5192.570344][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5192.570344][ T74] ip6_route_add+0x1c/0x140 [ 5192.570344][ T74] inet6_rtm_newroute+0x104/0x110 [ 5192.570344][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5192.570344][ T74] netlink_rcv_skb+0x130/0x360 [ 5192.570344][ T74] netlink_unicast+0x449/0x710 [ 5192.570344][ T74] netlink_sendmsg+0x723/0xbe0 [ 5192.570344][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5192.570344][ T74] ___sys_sendmsg+0xee/0x170 [ 5192.570344][ T74] __sys_sendmsg+0xcd/0x170 [ 5192.570344][ T74] do_syscall_64+0xc6/0x1e0 [ 5192.570344][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5192.570344][ T74] [ 5192.572287][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5192.572287][ T74] netdev_get_by_index+0x5e/0x80 [ 5192.572287][ T74] fib6_nh_init+0x3d8/0x1580 [ 5192.572287][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5192.572287][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5192.572287][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5192.572287][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5192.572287][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5192.572287][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5192.572287][ T74] addrconf_dad_begin+0x310/0x670 [ 5192.572287][ T74] addrconf_dad_work+0x10b/0xab0 [ 5192.572287][ T74] process_one_work+0x84d/0x18a0 [ 5192.572287][ T74] worker_thread+0x587/0xd30 [ 5192.572287][ T74] kthread+0x28a/0x350 [ 5192.572287][ T74] ret_from_fork+0x31/0x70 [ 5192.572287][ T74] ret_from_fork_asm+0x1a/0x30 [ 5192.572287][ T74] [ 5192.574272][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5192.574272][ T74] netdev_get_by_index+0x5e/0x80 [ 5192.574272][ T74] fib6_nh_init+0x3d8/0x1580 [ 5192.574272][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5192.574272][ T74] ip6_route_add+0x1c/0x140 [ 5192.574272][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5192.574272][ T74] inet6_addr_add+0x4f8/0xa40 [ 5192.574272][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5192.574272][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5192.574272][ T74] netlink_rcv_skb+0x130/0x360 [ 5192.574272][ T74] netlink_unicast+0x449/0x710 [ 5192.574272][ T74] netlink_sendmsg+0x723/0xbe0 [ 5192.574272][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5192.574272][ T74] ___sys_sendmsg+0xee/0x170 [ 5192.574272][ T74] __sys_sendmsg+0xcd/0x170 [ 5192.574272][ T74] do_syscall_64+0xc6/0x1e0 [ 5192.574272][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5192.574272][ T74] [ 5192.576353][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5192.576353][ T74] netdev_get_by_index+0x5e/0x80 [ 5192.576353][ T74] fib6_nh_init+0x3d8/0x1580 [ 5192.576353][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5192.576353][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5192.576353][ T74] ipv6_add_addr+0x411/0x2000 [ 5192.576353][ T74] inet6_addr_add+0x30e/0xa40 [ 5192.576353][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5192.576353][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5192.576353][ T74] netlink_rcv_skb+0x130/0x360 [ 5192.576353][ T74] netlink_unicast+0x449/0x710 [ 5192.576353][ T74] netlink_sendmsg+0x723/0xbe0 [ 5192.576353][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5192.576353][ T74] ___sys_sendmsg+0xee/0x170 [ 5192.576353][ T74] __sys_sendmsg+0xcd/0x170 [ 5192.576353][ T74] do_syscall_64+0xc6/0x1e0 [ 5192.576353][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5192.576353][ T74] [ 5192.578428][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5192.578428][ T74] netdev_get_by_index+0x5e/0x80 [ 5192.578428][ T74] fib6_nh_init+0x3d8/0x1580 [ 5192.578428][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5192.578428][ T74] ip6_route_add+0x1c/0x140 [ 5192.578428][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5192.578428][ T74] addrconf_add_dev+0xe2/0x170 [ 5192.578428][ T74] inet6_addr_add+0x12f/0xa40 [ 5192.578428][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5192.578428][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5192.578428][ T74] netlink_rcv_skb+0x130/0x360 [ 5192.578428][ T74] netlink_unicast+0x449/0x710 [ 5192.578428][ T74] netlink_sendmsg+0x723/0xbe0 [ 5192.578428][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5192.578428][ T74] ___sys_sendmsg+0xee/0x170 [ 5192.578428][ T74] __sys_sendmsg+0xcd/0x170 [ 5192.578428][ T74] do_syscall_64+0xc6/0x1e0 [ 5192.578428][ T74] [ 5192.580440][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5192.580440][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5192.580440][ T74] ipv6_find_idev+0x102/0x170 [ 5192.580440][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5192.580440][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5192.580440][ T74] netlink_rcv_skb+0x130/0x360 [ 5192.580440][ T74] netlink_unicast+0x449/0x710 [ 5192.580440][ T74] netlink_sendmsg+0x723/0xbe0 [ 5192.580440][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5192.580440][ T74] ___sys_sendmsg+0xee/0x170 [ 5192.580440][ T74] __sys_sendmsg+0xcd/0x170 [ 5192.580440][ T74] do_syscall_64+0xc6/0x1e0 [ 5192.580440][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5192.580440][ T74] [ 5192.582196][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5192.582196][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5192.582196][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5192.582196][ T74] ipv6_find_idev+0x102/0x170 [ 5192.582196][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5192.582196][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5192.582196][ T74] netlink_rcv_skb+0x130/0x360 [ 5192.582196][ T74] netlink_unicast+0x449/0x710 [ 5192.582196][ T74] netlink_sendmsg+0x723/0xbe0 [ 5192.582196][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5192.582196][ T74] ___sys_sendmsg+0xee/0x170 [ 5192.582196][ T74] __sys_sendmsg+0xcd/0x170 [ 5192.582196][ T74] do_syscall_64+0xc6/0x1e0 [ 5192.582196][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5192.582196][ T74] [ 5192.584110][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5192.584429][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5192.584429][ T74] netdev_get_by_index+0x5e/0x80 [ 5192.584429][ T74] fib6_nh_init+0x3d8/0x1580 [ 5192.584429][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5192.584429][ T74] ip6_route_add+0x1c/0x140 [ 5192.584429][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5192.584429][ T74] inet6_addr_add+0x4f8/0xa40 [ 5192.584429][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5192.584429][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5192.584429][ T74] netlink_rcv_skb+0x130/0x360 [ 5192.584429][ T74] netlink_unicast+0x449/0x710 [ 5192.584429][ T74] netlink_sendmsg+0x723/0xbe0 [ 5192.584429][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5192.584429][ T74] ___sys_sendmsg+0xee/0x170 [ 5192.584429][ T74] __sys_sendmsg+0xcd/0x170 [ 5192.584429][ T74] do_syscall_64+0xc6/0x1e0 [ 5192.584429][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5192.584429][ T74] [ 5192.586655][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5192.586655][ T74] netdev_get_by_index+0x5e/0x80 [ 5192.586655][ T74] fib6_nh_init+0x3d8/0x1580 [ 5192.586655][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5192.586655][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5192.586655][ T74] ipv6_add_addr+0x411/0x2000 [ 5192.586655][ T74] inet6_addr_add+0x30e/0xa40 [ 5192.586655][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5192.586655][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5192.586655][ T74] netlink_rcv_skb+0x130/0x360 [ 5192.586655][ T74] netlink_unicast+0x449/0x710 [ 5192.586655][ T74] netlink_sendmsg+0x723/0xbe0 [ 5192.586655][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5192.586655][ T74] ___sys_sendmsg+0xee/0x170 [ 5192.586655][ T74] __sys_sendmsg+0xcd/0x170 [ 5192.586655][ T74] do_syscall_64+0xc6/0x1e0 [ 5192.586655][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5192.586655][ T74] [ 5192.588920][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5192.588920][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5192.588920][ T74] ipv6_find_idev+0x102/0x170 [ 5192.588920][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5192.588920][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5192.588920][ T74] netlink_rcv_skb+0x130/0x360 [ 5192.588920][ T74] netlink_unicast+0x449/0x710 [ 5192.588920][ T74] netlink_sendmsg+0x723/0xbe0 [ 5192.588920][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5192.588920][ T74] ___sys_sendmsg+0xee/0x170 [ 5192.588920][ T74] __sys_sendmsg+0xcd/0x170 [ 5192.588920][ T74] do_syscall_64+0xc6/0x1e0 [ 5192.588920][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5192.588920][ T74] [ 5192.590736][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5192.590736][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5192.590736][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5192.590736][ T74] ipv6_find_idev+0x102/0x170 [ 5192.590736][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5192.590736][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5192.590736][ T74] netlink_rcv_skb+0x130/0x360 [ 5192.590736][ T74] netlink_unicast+0x449/0x710 [ 5192.590736][ T74] netlink_sendmsg+0x723/0xbe0 [ 5192.590736][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5192.590736][ T74] ___sys_sendmsg+0xee/0x170 [ 5192.590736][ T74] __sys_sendmsg+0xcd/0x170 [ 5192.590736][ T74] do_syscall_64+0xc6/0x1e0 [ 5192.590736][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5192.590736][ T74] [ 5202.834492][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5202.834975][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5202.834975][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5202.834975][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5202.834975][ T74] fib6_nh_init+0xa22/0x1580 [ 5202.834975][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5202.834975][ T74] ip6_route_add+0x1c/0x140 [ 5202.834975][ T74] inet6_rtm_newroute+0x104/0x110 [ 5202.834975][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5202.834975][ T74] netlink_rcv_skb+0x130/0x360 [ 5202.834975][ T74] netlink_unicast+0x449/0x710 [ 5202.834975][ T74] netlink_sendmsg+0x723/0xbe0 [ 5202.834975][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5202.834975][ T74] ___sys_sendmsg+0xee/0x170 [ 5202.834975][ T74] __sys_sendmsg+0xcd/0x170 [ 5202.834975][ T74] do_syscall_64+0xc6/0x1e0 [ 5202.834975][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5202.834975][ T74] [ 5202.836905][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5202.836905][ T74] netdev_get_by_index+0x5e/0x80 [ 5202.836905][ T74] fib6_nh_init+0x3d8/0x1580 [ 5202.836905][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5202.836905][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5202.836905][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5202.836905][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5202.836905][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5202.836905][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5202.836905][ T74] addrconf_dad_begin+0x310/0x670 [ 5202.836905][ T74] addrconf_dad_work+0x10b/0xab0 [ 5202.836905][ T74] process_one_work+0x84d/0x18a0 [ 5202.836905][ T74] worker_thread+0x587/0xd30 [ 5202.836905][ T74] kthread+0x28a/0x350 [ 5202.836905][ T74] ret_from_fork+0x31/0x70 [ 5202.836905][ T74] ret_from_fork_asm+0x1a/0x30 [ 5202.836905][ T74] [ 5202.838859][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5202.838859][ T74] netdev_get_by_index+0x5e/0x80 [ 5202.838859][ T74] fib6_nh_init+0x3d8/0x1580 [ 5202.838859][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5202.838859][ T74] ip6_route_add+0x1c/0x140 [ 5202.838859][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5202.838859][ T74] inet6_addr_add+0x4f8/0xa40 [ 5202.838859][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5202.838859][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5202.838859][ T74] netlink_rcv_skb+0x130/0x360 [ 5202.838859][ T74] netlink_unicast+0x449/0x710 [ 5202.838859][ T74] netlink_sendmsg+0x723/0xbe0 [ 5202.838859][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5202.838859][ T74] ___sys_sendmsg+0xee/0x170 [ 5202.838859][ T74] __sys_sendmsg+0xcd/0x170 [ 5202.838859][ T74] do_syscall_64+0xc6/0x1e0 [ 5202.838859][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5202.838859][ T74] [ 5202.840890][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5202.840890][ T74] netdev_get_by_index+0x5e/0x80 [ 5202.840890][ T74] fib6_nh_init+0x3d8/0x1580 [ 5202.840890][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5202.840890][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5202.840890][ T74] ipv6_add_addr+0x411/0x2000 [ 5202.840890][ T74] inet6_addr_add+0x30e/0xa40 [ 5202.840890][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5202.840890][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5202.840890][ T74] netlink_rcv_skb+0x130/0x360 [ 5202.840890][ T74] netlink_unicast+0x449/0x710 [ 5202.840890][ T74] netlink_sendmsg+0x723/0xbe0 [ 5202.840890][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5202.840890][ T74] ___sys_sendmsg+0xee/0x170 [ 5202.840890][ T74] __sys_sendmsg+0xcd/0x170 [ 5202.840890][ T74] do_syscall_64+0xc6/0x1e0 [ 5202.840890][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5202.840890][ T74] [ 5202.842929][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5202.842929][ T74] netdev_get_by_index+0x5e/0x80 [ 5202.842929][ T74] fib6_nh_init+0x3d8/0x1580 [ 5202.842929][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5202.842929][ T74] ip6_route_add+0x1c/0x140 [ 5202.842929][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5202.842929][ T74] addrconf_add_dev+0xe2/0x170 [ 5202.842929][ T74] inet6_addr_add+0x12f/0xa40 [ 5202.842929][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5202.842929][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5202.842929][ T74] netlink_rcv_skb+0x130/0x360 [ 5202.842929][ T74] netlink_unicast+0x449/0x710 [ 5202.842929][ T74] netlink_sendmsg+0x723/0xbe0 [ 5202.842929][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5202.842929][ T74] ___sys_sendmsg+0xee/0x170 [ 5202.842929][ T74] __sys_sendmsg+0xcd/0x170 [ 5202.842929][ T74] do_syscall_64+0xc6/0x1e0 [ 5202.842929][ T74] [ 5202.844925][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5202.844925][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5202.844925][ T74] ipv6_find_idev+0x102/0x170 [ 5202.844925][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5202.844925][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5202.844925][ T74] netlink_rcv_skb+0x130/0x360 [ 5202.844925][ T74] netlink_unicast+0x449/0x710 [ 5202.844925][ T74] netlink_sendmsg+0x723/0xbe0 [ 5202.844925][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5202.844925][ T74] ___sys_sendmsg+0xee/0x170 [ 5202.844925][ T74] __sys_sendmsg+0xcd/0x170 [ 5202.844925][ T74] do_syscall_64+0xc6/0x1e0 [ 5202.844925][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5202.844925][ T74] [ 5202.846498][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5202.846498][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5202.846498][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5202.846498][ T74] ipv6_find_idev+0x102/0x170 [ 5202.846498][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5202.846498][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5202.846498][ T74] netlink_rcv_skb+0x130/0x360 [ 5202.846498][ T74] netlink_unicast+0x449/0x710 [ 5202.846498][ T74] netlink_sendmsg+0x723/0xbe0 [ 5202.846498][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5202.846498][ T74] ___sys_sendmsg+0xee/0x170 [ 5202.846498][ T74] __sys_sendmsg+0xcd/0x170 [ 5202.846498][ T74] do_syscall_64+0xc6/0x1e0 [ 5202.846498][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5202.846498][ T74] [ 5202.848237][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5202.848513][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5202.848513][ T74] dst_init+0x84/0x4a0 [ 5202.848513][ T74] dst_alloc+0x97/0x150 [ 5202.848513][ T74] ip6_dst_alloc+0x23/0x90 [ 5202.848513][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5202.848513][ T74] ip6_pol_route+0x56f/0x840 [ 5202.848513][ T74] fib6_rule_lookup+0x456/0x630 [ 5202.848513][ T74] ip6_route_input+0x59c/0xa50 [ 5202.848513][ T74] ipv6_rcv+0x397/0x810 [ 5202.848513][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5202.848513][ T74] process_backlog+0x101/0x620 [ 5202.848513][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5202.848513][ T74] net_rx_action+0x495/0xbe0 [ 5202.848513][ T74] __do_softirq+0x1b5/0x7f6 [ 5202.848513][ T74] [ 5202.850173][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5202.850173][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5202.850173][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5202.850173][ T74] fib6_nh_init+0xa22/0x1580 [ 5202.850173][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5202.850173][ T74] ip6_route_add+0x1c/0x140 [ 5202.850173][ T74] inet6_rtm_newroute+0x104/0x110 [ 5202.850173][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5202.850173][ T74] netlink_rcv_skb+0x130/0x360 [ 5202.850173][ T74] netlink_unicast+0x449/0x710 [ 5202.850173][ T74] netlink_sendmsg+0x723/0xbe0 [ 5202.850173][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5202.850173][ T74] ___sys_sendmsg+0xee/0x170 [ 5202.850173][ T74] __sys_sendmsg+0xcd/0x170 [ 5202.850173][ T74] do_syscall_64+0xc6/0x1e0 [ 5202.850173][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5202.850173][ T74] [ 5202.852079][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5202.852079][ T74] netdev_get_by_index+0x5e/0x80 [ 5202.852079][ T74] fib6_nh_init+0x3d8/0x1580 [ 5202.852079][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5202.852079][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5202.852079][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5202.852079][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5202.852079][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5202.852079][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5202.852079][ T74] addrconf_dad_begin+0x310/0x670 [ 5202.852079][ T74] addrconf_dad_work+0x10b/0xab0 [ 5202.852079][ T74] process_one_work+0x84d/0x18a0 [ 5202.852079][ T74] worker_thread+0x587/0xd30 [ 5202.852079][ T74] kthread+0x28a/0x350 [ 5202.852079][ T74] ret_from_fork+0x31/0x70 [ 5202.852079][ T74] ret_from_fork_asm+0x1a/0x30 [ 5202.852079][ T74] [ 5202.854010][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5202.854010][ T74] netdev_get_by_index+0x5e/0x80 [ 5202.854010][ T74] fib6_nh_init+0x3d8/0x1580 [ 5202.854010][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5202.854010][ T74] ip6_route_add+0x1c/0x140 [ 5202.854010][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5202.854010][ T74] inet6_addr_add+0x4f8/0xa40 [ 5202.854010][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5202.854010][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5202.854010][ T74] netlink_rcv_skb+0x130/0x360 [ 5202.854010][ T74] netlink_unicast+0x449/0x710 [ 5202.854010][ T74] netlink_sendmsg+0x723/0xbe0 [ 5202.854010][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5202.854010][ T74] ___sys_sendmsg+0xee/0x170 [ 5202.854010][ T74] __sys_sendmsg+0xcd/0x170 [ 5202.854010][ T74] do_syscall_64+0xc6/0x1e0 [ 5202.854010][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5202.854010][ T74] [ 5202.856033][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5202.856033][ T74] netdev_get_by_index+0x5e/0x80 [ 5202.856033][ T74] fib6_nh_init+0x3d8/0x1580 [ 5202.856033][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5202.856033][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5202.856033][ T74] ipv6_add_addr+0x411/0x2000 [ 5202.856033][ T74] inet6_addr_add+0x30e/0xa40 [ 5202.856033][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5202.856033][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5202.856033][ T74] netlink_rcv_skb+0x130/0x360 [ 5202.856033][ T74] netlink_unicast+0x449/0x710 [ 5202.856033][ T74] netlink_sendmsg+0x723/0xbe0 [ 5202.856033][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5202.856033][ T74] ___sys_sendmsg+0xee/0x170 [ 5202.856033][ T74] __sys_sendmsg+0xcd/0x170 [ 5202.856033][ T74] do_syscall_64+0xc6/0x1e0 [ 5202.856033][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5202.856033][ T74] [ 5202.858054][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5202.858054][ T74] netdev_get_by_index+0x5e/0x80 [ 5202.858054][ T74] fib6_nh_init+0x3d8/0x1580 [ 5202.858054][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5202.858054][ T74] ip6_route_add+0x1c/0x140 [ 5202.858054][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5202.858054][ T74] addrconf_add_dev+0xe2/0x170 [ 5202.858054][ T74] inet6_addr_add+0x12f/0xa40 [ 5202.858054][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5202.858054][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5202.858054][ T74] netlink_rcv_skb+0x130/0x360 [ 5202.858054][ T74] netlink_unicast+0x449/0x710 [ 5202.858054][ T74] netlink_sendmsg+0x723/0xbe0 [ 5202.858054][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5202.858054][ T74] ___sys_sendmsg+0xee/0x170 [ 5202.858054][ T74] __sys_sendmsg+0xcd/0x170 [ 5202.858054][ T74] do_syscall_64+0xc6/0x1e0 [ 5202.858054][ T74] [ 5202.860168][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5202.860168][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5202.860168][ T74] ipv6_find_idev+0x102/0x170 [ 5202.860168][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5202.860168][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5202.860168][ T74] netlink_rcv_skb+0x130/0x360 [ 5202.860168][ T74] netlink_unicast+0x449/0x710 [ 5202.860168][ T74] netlink_sendmsg+0x723/0xbe0 [ 5202.860168][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5202.860168][ T74] ___sys_sendmsg+0xee/0x170 [ 5202.860168][ T74] __sys_sendmsg+0xcd/0x170 [ 5202.860168][ T74] do_syscall_64+0xc6/0x1e0 [ 5202.860168][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5202.860168][ T74] [ 5202.861864][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5202.861864][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5202.861864][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5202.861864][ T74] ipv6_find_idev+0x102/0x170 [ 5202.861864][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5202.861864][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5202.861864][ T74] netlink_rcv_skb+0x130/0x360 [ 5202.861864][ T74] netlink_unicast+0x449/0x710 [ 5202.861864][ T74] netlink_sendmsg+0x723/0xbe0 [ 5202.861864][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5202.861864][ T74] ___sys_sendmsg+0xee/0x170 [ 5202.861864][ T74] __sys_sendmsg+0xcd/0x170 [ 5202.861864][ T74] do_syscall_64+0xc6/0x1e0 [ 5202.861864][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5202.861864][ T74] [ 5202.863839][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5202.864176][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5202.864176][ T74] netdev_get_by_index+0x5e/0x80 [ 5202.864176][ T74] fib6_nh_init+0x3d8/0x1580 [ 5202.864176][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5202.864176][ T74] ip6_route_add+0x1c/0x140 [ 5202.864176][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5202.864176][ T74] inet6_addr_add+0x4f8/0xa40 [ 5202.864176][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5202.864176][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5202.864176][ T74] netlink_rcv_skb+0x130/0x360 [ 5202.864176][ T74] netlink_unicast+0x449/0x710 [ 5202.864176][ T74] netlink_sendmsg+0x723/0xbe0 [ 5202.864176][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5202.864176][ T74] ___sys_sendmsg+0xee/0x170 [ 5202.864176][ T74] __sys_sendmsg+0xcd/0x170 [ 5202.864176][ T74] do_syscall_64+0xc6/0x1e0 [ 5202.864176][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5202.864176][ T74] [ 5202.866400][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5202.866400][ T74] netdev_get_by_index+0x5e/0x80 [ 5202.866400][ T74] fib6_nh_init+0x3d8/0x1580 [ 5202.866400][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5202.866400][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5202.866400][ T74] ipv6_add_addr+0x411/0x2000 [ 5202.866400][ T74] inet6_addr_add+0x30e/0xa40 [ 5202.866400][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5202.866400][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5202.866400][ T74] netlink_rcv_skb+0x130/0x360 [ 5202.866400][ T74] netlink_unicast+0x449/0x710 [ 5202.866400][ T74] netlink_sendmsg+0x723/0xbe0 [ 5202.866400][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5202.866400][ T74] ___sys_sendmsg+0xee/0x170 [ 5202.866400][ T74] __sys_sendmsg+0xcd/0x170 [ 5202.866400][ T74] do_syscall_64+0xc6/0x1e0 [ 5202.866400][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5202.866400][ T74] [ 5202.868670][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5202.868670][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5202.868670][ T74] ipv6_find_idev+0x102/0x170 [ 5202.868670][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5202.868670][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5202.868670][ T74] netlink_rcv_skb+0x130/0x360 [ 5202.868670][ T74] netlink_unicast+0x449/0x710 [ 5202.868670][ T74] netlink_sendmsg+0x723/0xbe0 [ 5202.868670][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5202.868670][ T74] ___sys_sendmsg+0xee/0x170 [ 5202.868670][ T74] __sys_sendmsg+0xcd/0x170 [ 5202.868670][ T74] do_syscall_64+0xc6/0x1e0 [ 5202.868670][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5202.868670][ T74] [ 5202.870427][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5202.870427][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5202.870427][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5202.870427][ T74] ipv6_find_idev+0x102/0x170 [ 5202.870427][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5202.870427][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5202.870427][ T74] netlink_rcv_skb+0x130/0x360 [ 5202.870427][ T74] netlink_unicast+0x449/0x710 [ 5202.870427][ T74] netlink_sendmsg+0x723/0xbe0 [ 5202.870427][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5202.870427][ T74] ___sys_sendmsg+0xee/0x170 [ 5202.870427][ T74] __sys_sendmsg+0xcd/0x170 [ 5202.870427][ T74] do_syscall_64+0xc6/0x1e0 [ 5202.870427][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5202.870427][ T74] [ 5213.127959][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5213.128378][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5213.128378][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5213.128378][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5213.128378][ T74] fib6_nh_init+0xa22/0x1580 [ 5213.128378][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5213.128378][ T74] ip6_route_add+0x1c/0x140 [ 5213.128378][ T74] inet6_rtm_newroute+0x104/0x110 [ 5213.128378][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5213.128378][ T74] netlink_rcv_skb+0x130/0x360 [ 5213.128378][ T74] netlink_unicast+0x449/0x710 [ 5213.128378][ T74] netlink_sendmsg+0x723/0xbe0 [ 5213.128378][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5213.128378][ T74] ___sys_sendmsg+0xee/0x170 [ 5213.128378][ T74] __sys_sendmsg+0xcd/0x170 [ 5213.128378][ T74] do_syscall_64+0xc6/0x1e0 [ 5213.128378][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5213.128378][ T74] [ 5213.130282][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5213.130282][ T74] netdev_get_by_index+0x5e/0x80 [ 5213.130282][ T74] fib6_nh_init+0x3d8/0x1580 [ 5213.130282][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5213.130282][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5213.130282][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5213.130282][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5213.130282][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5213.130282][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5213.130282][ T74] addrconf_dad_begin+0x310/0x670 [ 5213.130282][ T74] addrconf_dad_work+0x10b/0xab0 [ 5213.130282][ T74] process_one_work+0x84d/0x18a0 [ 5213.130282][ T74] worker_thread+0x587/0xd30 [ 5213.130282][ T74] kthread+0x28a/0x350 [ 5213.130282][ T74] ret_from_fork+0x31/0x70 [ 5213.130282][ T74] ret_from_fork_asm+0x1a/0x30 [ 5213.130282][ T74] [ 5213.132202][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5213.132202][ T74] netdev_get_by_index+0x5e/0x80 [ 5213.132202][ T74] fib6_nh_init+0x3d8/0x1580 [ 5213.132202][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5213.132202][ T74] ip6_route_add+0x1c/0x140 [ 5213.132202][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5213.132202][ T74] inet6_addr_add+0x4f8/0xa40 [ 5213.132202][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5213.132202][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5213.132202][ T74] netlink_rcv_skb+0x130/0x360 [ 5213.132202][ T74] netlink_unicast+0x449/0x710 [ 5213.132202][ T74] netlink_sendmsg+0x723/0xbe0 [ 5213.132202][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5213.132202][ T74] ___sys_sendmsg+0xee/0x170 [ 5213.132202][ T74] __sys_sendmsg+0xcd/0x170 [ 5213.132202][ T74] do_syscall_64+0xc6/0x1e0 [ 5213.132202][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5213.132202][ T74] [ 5213.134210][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5213.134210][ T74] netdev_get_by_index+0x5e/0x80 [ 5213.134210][ T74] fib6_nh_init+0x3d8/0x1580 [ 5213.134210][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5213.134210][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5213.134210][ T74] ipv6_add_addr+0x411/0x2000 [ 5213.134210][ T74] inet6_addr_add+0x30e/0xa40 [ 5213.134210][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5213.134210][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5213.134210][ T74] netlink_rcv_skb+0x130/0x360 [ 5213.134210][ T74] netlink_unicast+0x449/0x710 [ 5213.134210][ T74] netlink_sendmsg+0x723/0xbe0 [ 5213.134210][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5213.134210][ T74] ___sys_sendmsg+0xee/0x170 [ 5213.134210][ T74] __sys_sendmsg+0xcd/0x170 [ 5213.134210][ T74] do_syscall_64+0xc6/0x1e0 [ 5213.134210][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5213.134210][ T74] [ 5213.136202][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5213.136202][ T74] netdev_get_by_index+0x5e/0x80 [ 5213.136202][ T74] fib6_nh_init+0x3d8/0x1580 [ 5213.136202][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5213.136202][ T74] ip6_route_add+0x1c/0x140 [ 5213.136202][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5213.136202][ T74] addrconf_add_dev+0xe2/0x170 [ 5213.136202][ T74] inet6_addr_add+0x12f/0xa40 [ 5213.136202][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5213.136202][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5213.136202][ T74] netlink_rcv_skb+0x130/0x360 [ 5213.136202][ T74] netlink_unicast+0x449/0x710 [ 5213.136202][ T74] netlink_sendmsg+0x723/0xbe0 [ 5213.136202][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5213.136202][ T74] ___sys_sendmsg+0xee/0x170 [ 5213.136202][ T74] __sys_sendmsg+0xcd/0x170 [ 5213.136202][ T74] do_syscall_64+0xc6/0x1e0 [ 5213.136202][ T74] [ 5213.138148][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5213.138148][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5213.138148][ T74] ipv6_find_idev+0x102/0x170 [ 5213.138148][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5213.138148][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5213.138148][ T74] netlink_rcv_skb+0x130/0x360 [ 5213.138148][ T74] netlink_unicast+0x449/0x710 [ 5213.138148][ T74] netlink_sendmsg+0x723/0xbe0 [ 5213.138148][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5213.138148][ T74] ___sys_sendmsg+0xee/0x170 [ 5213.138148][ T74] __sys_sendmsg+0xcd/0x170 [ 5213.138148][ T74] do_syscall_64+0xc6/0x1e0 [ 5213.138148][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5213.138148][ T74] [ 5213.139695][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5213.139695][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5213.139695][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5213.139695][ T74] ipv6_find_idev+0x102/0x170 [ 5213.139695][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5213.139695][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5213.139695][ T74] netlink_rcv_skb+0x130/0x360 [ 5213.139695][ T74] netlink_unicast+0x449/0x710 [ 5213.139695][ T74] netlink_sendmsg+0x723/0xbe0 [ 5213.139695][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5213.139695][ T74] ___sys_sendmsg+0xee/0x170 [ 5213.139695][ T74] __sys_sendmsg+0xcd/0x170 [ 5213.139695][ T74] do_syscall_64+0xc6/0x1e0 [ 5213.139695][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5213.139695][ T74] [ 5213.141377][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5213.141645][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5213.141645][ T74] dst_init+0x84/0x4a0 [ 5213.141645][ T74] dst_alloc+0x97/0x150 [ 5213.141645][ T74] ip6_dst_alloc+0x23/0x90 [ 5213.141645][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5213.141645][ T74] ip6_pol_route+0x56f/0x840 [ 5213.141645][ T74] fib6_rule_lookup+0x456/0x630 [ 5213.141645][ T74] ip6_route_input+0x59c/0xa50 [ 5213.141645][ T74] ipv6_rcv+0x397/0x810 [ 5213.141645][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5213.141645][ T74] process_backlog+0x101/0x620 [ 5213.141645][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5213.141645][ T74] net_rx_action+0x495/0xbe0 [ 5213.141645][ T74] __do_softirq+0x1b5/0x7f6 [ 5213.141645][ T74] [ 5213.143278][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5213.143278][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5213.143278][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5213.143278][ T74] fib6_nh_init+0xa22/0x1580 [ 5213.143278][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5213.143278][ T74] ip6_route_add+0x1c/0x140 [ 5213.143278][ T74] inet6_rtm_newroute+0x104/0x110 [ 5213.143278][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5213.143278][ T74] netlink_rcv_skb+0x130/0x360 [ 5213.143278][ T74] netlink_unicast+0x449/0x710 [ 5213.143278][ T74] netlink_sendmsg+0x723/0xbe0 [ 5213.143278][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5213.143278][ T74] ___sys_sendmsg+0xee/0x170 [ 5213.143278][ T74] __sys_sendmsg+0xcd/0x170 [ 5213.143278][ T74] do_syscall_64+0xc6/0x1e0 [ 5213.143278][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5213.143278][ T74] [ 5213.145164][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5213.145164][ T74] netdev_get_by_index+0x5e/0x80 [ 5213.145164][ T74] fib6_nh_init+0x3d8/0x1580 [ 5213.145164][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5213.145164][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5213.145164][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5213.145164][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5213.145164][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5213.145164][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5213.145164][ T74] addrconf_dad_begin+0x310/0x670 [ 5213.145164][ T74] addrconf_dad_work+0x10b/0xab0 [ 5213.145164][ T74] process_one_work+0x84d/0x18a0 [ 5213.145164][ T74] worker_thread+0x587/0xd30 [ 5213.145164][ T74] kthread+0x28a/0x350 [ 5213.145164][ T74] ret_from_fork+0x31/0x70 [ 5213.145164][ T74] ret_from_fork_asm+0x1a/0x30 [ 5213.145164][ T74] [ 5213.147079][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5213.147079][ T74] netdev_get_by_index+0x5e/0x80 [ 5213.147079][ T74] fib6_nh_init+0x3d8/0x1580 [ 5213.147079][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5213.147079][ T74] ip6_route_add+0x1c/0x140 [ 5213.147079][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5213.147079][ T74] inet6_addr_add+0x4f8/0xa40 [ 5213.147079][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5213.147079][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5213.147079][ T74] netlink_rcv_skb+0x130/0x360 [ 5213.147079][ T74] netlink_unicast+0x449/0x710 [ 5213.147079][ T74] netlink_sendmsg+0x723/0xbe0 [ 5213.147079][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5213.147079][ T74] ___sys_sendmsg+0xee/0x170 [ 5213.147079][ T74] __sys_sendmsg+0xcd/0x170 [ 5213.147079][ T74] do_syscall_64+0xc6/0x1e0 [ 5213.147079][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5213.147079][ T74] [ 5213.149084][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5213.149084][ T74] netdev_get_by_index+0x5e/0x80 [ 5213.149084][ T74] fib6_nh_init+0x3d8/0x1580 [ 5213.149084][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5213.149084][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5213.149084][ T74] ipv6_add_addr+0x411/0x2000 [ 5213.149084][ T74] inet6_addr_add+0x30e/0xa40 [ 5213.149084][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5213.149084][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5213.149084][ T74] netlink_rcv_skb+0x130/0x360 [ 5213.149084][ T74] netlink_unicast+0x449/0x710 [ 5213.149084][ T74] netlink_sendmsg+0x723/0xbe0 [ 5213.149084][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5213.149084][ T74] ___sys_sendmsg+0xee/0x170 [ 5213.149084][ T74] __sys_sendmsg+0xcd/0x170 [ 5213.149084][ T74] do_syscall_64+0xc6/0x1e0 [ 5213.149084][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5213.149084][ T74] [ 5213.151075][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5213.151075][ T74] netdev_get_by_index+0x5e/0x80 [ 5213.151075][ T74] fib6_nh_init+0x3d8/0x1580 [ 5213.151075][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5213.151075][ T74] ip6_route_add+0x1c/0x140 [ 5213.151075][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5213.151075][ T74] addrconf_add_dev+0xe2/0x170 [ 5213.151075][ T74] inet6_addr_add+0x12f/0xa40 [ 5213.151075][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5213.151075][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5213.151075][ T74] netlink_rcv_skb+0x130/0x360 [ 5213.151075][ T74] netlink_unicast+0x449/0x710 [ 5213.151075][ T74] netlink_sendmsg+0x723/0xbe0 [ 5213.151075][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5213.151075][ T74] ___sys_sendmsg+0xee/0x170 [ 5213.151075][ T74] __sys_sendmsg+0xcd/0x170 [ 5213.151075][ T74] do_syscall_64+0xc6/0x1e0 [ 5213.151075][ T74] [ 5213.153039][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5213.153039][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5213.153039][ T74] ipv6_find_idev+0x102/0x170 [ 5213.153039][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5213.153039][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5213.153039][ T74] netlink_rcv_skb+0x130/0x360 [ 5213.153039][ T74] netlink_unicast+0x449/0x710 [ 5213.153039][ T74] netlink_sendmsg+0x723/0xbe0 [ 5213.153039][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5213.153039][ T74] ___sys_sendmsg+0xee/0x170 [ 5213.153039][ T74] __sys_sendmsg+0xcd/0x170 [ 5213.153039][ T74] do_syscall_64+0xc6/0x1e0 [ 5213.153039][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5213.153039][ T74] [ 5213.154709][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5213.154709][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5213.154709][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5213.154709][ T74] ipv6_find_idev+0x102/0x170 [ 5213.154709][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5213.154709][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5213.154709][ T74] netlink_rcv_skb+0x130/0x360 [ 5213.154709][ T74] netlink_unicast+0x449/0x710 [ 5213.154709][ T74] netlink_sendmsg+0x723/0xbe0 [ 5213.154709][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5213.154709][ T74] ___sys_sendmsg+0xee/0x170 [ 5213.154709][ T74] __sys_sendmsg+0xcd/0x170 [ 5213.154709][ T74] do_syscall_64+0xc6/0x1e0 [ 5213.154709][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5213.154709][ T74] [ 5213.156580][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5213.156888][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5213.156888][ T74] netdev_get_by_index+0x5e/0x80 [ 5213.156888][ T74] fib6_nh_init+0x3d8/0x1580 [ 5213.156888][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5213.156888][ T74] ip6_route_add+0x1c/0x140 [ 5213.156888][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5213.156888][ T74] inet6_addr_add+0x4f8/0xa40 [ 5213.156888][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5213.156888][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5213.156888][ T74] netlink_rcv_skb+0x130/0x360 [ 5213.156888][ T74] netlink_unicast+0x449/0x710 [ 5213.156888][ T74] netlink_sendmsg+0x723/0xbe0 [ 5213.156888][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5213.156888][ T74] ___sys_sendmsg+0xee/0x170 [ 5213.156888][ T74] __sys_sendmsg+0xcd/0x170 [ 5213.156888][ T74] do_syscall_64+0xc6/0x1e0 [ 5213.156888][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5213.156888][ T74] [ 5213.159002][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5213.159002][ T74] netdev_get_by_index+0x5e/0x80 [ 5213.159002][ T74] fib6_nh_init+0x3d8/0x1580 [ 5213.159002][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5213.159002][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5213.159002][ T74] ipv6_add_addr+0x411/0x2000 [ 5213.159002][ T74] inet6_addr_add+0x30e/0xa40 [ 5213.159002][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5213.159002][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5213.159002][ T74] netlink_rcv_skb+0x130/0x360 [ 5213.159002][ T74] netlink_unicast+0x449/0x710 [ 5213.159002][ T74] netlink_sendmsg+0x723/0xbe0 [ 5213.159002][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5213.159002][ T74] ___sys_sendmsg+0xee/0x170 [ 5213.159002][ T74] __sys_sendmsg+0xcd/0x170 [ 5213.159002][ T74] do_syscall_64+0xc6/0x1e0 [ 5213.159002][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5213.159002][ T74] [ 5213.161329][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5213.161329][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5213.161329][ T74] ipv6_find_idev+0x102/0x170 [ 5213.161329][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5213.161329][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5213.161329][ T74] netlink_rcv_skb+0x130/0x360 [ 5213.161329][ T74] netlink_unicast+0x449/0x710 [ 5213.161329][ T74] netlink_sendmsg+0x723/0xbe0 [ 5213.161329][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5213.161329][ T74] ___sys_sendmsg+0xee/0x170 [ 5213.161329][ T74] __sys_sendmsg+0xcd/0x170 [ 5213.161329][ T74] do_syscall_64+0xc6/0x1e0 [ 5213.161329][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5213.161329][ T74] [ 5213.163051][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5213.163051][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5213.163051][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5213.163051][ T74] ipv6_find_idev+0x102/0x170 [ 5213.163051][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5213.163051][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5213.163051][ T74] netlink_rcv_skb+0x130/0x360 [ 5213.163051][ T74] netlink_unicast+0x449/0x710 [ 5213.163051][ T74] netlink_sendmsg+0x723/0xbe0 [ 5213.163051][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5213.163051][ T74] ___sys_sendmsg+0xee/0x170 [ 5213.163051][ T74] __sys_sendmsg+0xcd/0x170 [ 5213.163051][ T74] do_syscall_64+0xc6/0x1e0 [ 5213.163051][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5213.163051][ T74] [ 5223.407895][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5223.408375][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5223.408375][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5223.408375][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5223.408375][ T74] fib6_nh_init+0xa22/0x1580 [ 5223.408375][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5223.408375][ T74] ip6_route_add+0x1c/0x140 [ 5223.408375][ T74] inet6_rtm_newroute+0x104/0x110 [ 5223.408375][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5223.408375][ T74] netlink_rcv_skb+0x130/0x360 [ 5223.408375][ T74] netlink_unicast+0x449/0x710 [ 5223.408375][ T74] netlink_sendmsg+0x723/0xbe0 [ 5223.408375][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5223.408375][ T74] ___sys_sendmsg+0xee/0x170 [ 5223.408375][ T74] __sys_sendmsg+0xcd/0x170 [ 5223.408375][ T74] do_syscall_64+0xc6/0x1e0 [ 5223.408375][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5223.408375][ T74] [ 5223.410299][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5223.410299][ T74] netdev_get_by_index+0x5e/0x80 [ 5223.410299][ T74] fib6_nh_init+0x3d8/0x1580 [ 5223.410299][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5223.410299][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5223.410299][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5223.410299][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5223.410299][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5223.410299][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5223.410299][ T74] addrconf_dad_begin+0x310/0x670 [ 5223.410299][ T74] addrconf_dad_work+0x10b/0xab0 [ 5223.410299][ T74] process_one_work+0x84d/0x18a0 [ 5223.410299][ T74] worker_thread+0x587/0xd30 [ 5223.410299][ T74] kthread+0x28a/0x350 [ 5223.410299][ T74] ret_from_fork+0x31/0x70 [ 5223.410299][ T74] ret_from_fork_asm+0x1a/0x30 [ 5223.410299][ T74] [ 5223.412210][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5223.412210][ T74] netdev_get_by_index+0x5e/0x80 [ 5223.412210][ T74] fib6_nh_init+0x3d8/0x1580 [ 5223.412210][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5223.412210][ T74] ip6_route_add+0x1c/0x140 [ 5223.412210][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5223.412210][ T74] inet6_addr_add+0x4f8/0xa40 [ 5223.412210][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5223.412210][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5223.412210][ T74] netlink_rcv_skb+0x130/0x360 [ 5223.412210][ T74] netlink_unicast+0x449/0x710 [ 5223.412210][ T74] netlink_sendmsg+0x723/0xbe0 [ 5223.412210][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5223.412210][ T74] ___sys_sendmsg+0xee/0x170 [ 5223.412210][ T74] __sys_sendmsg+0xcd/0x170 [ 5223.412210][ T74] do_syscall_64+0xc6/0x1e0 [ 5223.412210][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5223.412210][ T74] [ 5223.414219][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5223.414219][ T74] netdev_get_by_index+0x5e/0x80 [ 5223.414219][ T74] fib6_nh_init+0x3d8/0x1580 [ 5223.414219][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5223.414219][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5223.414219][ T74] ipv6_add_addr+0x411/0x2000 [ 5223.414219][ T74] inet6_addr_add+0x30e/0xa40 [ 5223.414219][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5223.414219][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5223.414219][ T74] netlink_rcv_skb+0x130/0x360 [ 5223.414219][ T74] netlink_unicast+0x449/0x710 [ 5223.414219][ T74] netlink_sendmsg+0x723/0xbe0 [ 5223.414219][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5223.414219][ T74] ___sys_sendmsg+0xee/0x170 [ 5223.414219][ T74] __sys_sendmsg+0xcd/0x170 [ 5223.414219][ T74] do_syscall_64+0xc6/0x1e0 [ 5223.414219][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5223.414219][ T74] [ 5223.416217][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5223.416217][ T74] netdev_get_by_index+0x5e/0x80 [ 5223.416217][ T74] fib6_nh_init+0x3d8/0x1580 [ 5223.416217][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5223.416217][ T74] ip6_route_add+0x1c/0x140 [ 5223.416217][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5223.416217][ T74] addrconf_add_dev+0xe2/0x170 [ 5223.416217][ T74] inet6_addr_add+0x12f/0xa40 [ 5223.416217][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5223.416217][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5223.416217][ T74] netlink_rcv_skb+0x130/0x360 [ 5223.416217][ T74] netlink_unicast+0x449/0x710 [ 5223.416217][ T74] netlink_sendmsg+0x723/0xbe0 [ 5223.416217][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5223.416217][ T74] ___sys_sendmsg+0xee/0x170 [ 5223.416217][ T74] __sys_sendmsg+0xcd/0x170 [ 5223.416217][ T74] do_syscall_64+0xc6/0x1e0 [ 5223.416217][ T74] [ 5223.418179][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5223.418179][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5223.418179][ T74] ipv6_find_idev+0x102/0x170 [ 5223.418179][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5223.418179][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5223.418179][ T74] netlink_rcv_skb+0x130/0x360 [ 5223.418179][ T74] netlink_unicast+0x449/0x710 [ 5223.418179][ T74] netlink_sendmsg+0x723/0xbe0 [ 5223.418179][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5223.418179][ T74] ___sys_sendmsg+0xee/0x170 [ 5223.418179][ T74] __sys_sendmsg+0xcd/0x170 [ 5223.418179][ T74] do_syscall_64+0xc6/0x1e0 [ 5223.418179][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5223.418179][ T74] [ 5223.419726][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5223.419726][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5223.419726][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5223.419726][ T74] ipv6_find_idev+0x102/0x170 [ 5223.419726][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5223.419726][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5223.419726][ T74] netlink_rcv_skb+0x130/0x360 [ 5223.419726][ T74] netlink_unicast+0x449/0x710 [ 5223.419726][ T74] netlink_sendmsg+0x723/0xbe0 [ 5223.419726][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5223.419726][ T74] ___sys_sendmsg+0xee/0x170 [ 5223.419726][ T74] __sys_sendmsg+0xcd/0x170 [ 5223.419726][ T74] do_syscall_64+0xc6/0x1e0 [ 5223.419726][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5223.419726][ T74] [ 5223.421413][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5223.421694][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5223.421694][ T74] dst_init+0x84/0x4a0 [ 5223.421694][ T74] dst_alloc+0x97/0x150 [ 5223.421694][ T74] ip6_dst_alloc+0x23/0x90 [ 5223.421694][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5223.421694][ T74] ip6_pol_route+0x56f/0x840 [ 5223.421694][ T74] fib6_rule_lookup+0x456/0x630 [ 5223.421694][ T74] ip6_route_input+0x59c/0xa50 [ 5223.421694][ T74] ipv6_rcv+0x397/0x810 [ 5223.421694][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5223.421694][ T74] process_backlog+0x101/0x620 [ 5223.421694][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5223.421694][ T74] net_rx_action+0x495/0xbe0 [ 5223.421694][ T74] __do_softirq+0x1b5/0x7f6 [ 5223.421694][ T74] [ 5223.423316][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5223.423316][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5223.423316][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5223.423316][ T74] fib6_nh_init+0xa22/0x1580 [ 5223.423316][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5223.423316][ T74] ip6_route_add+0x1c/0x140 [ 5223.423316][ T74] inet6_rtm_newroute+0x104/0x110 [ 5223.423316][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5223.423316][ T74] netlink_rcv_skb+0x130/0x360 [ 5223.423316][ T74] netlink_unicast+0x449/0x710 [ 5223.423316][ T74] netlink_sendmsg+0x723/0xbe0 [ 5223.423316][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5223.423316][ T74] ___sys_sendmsg+0xee/0x170 [ 5223.423316][ T74] __sys_sendmsg+0xcd/0x170 [ 5223.423316][ T74] do_syscall_64+0xc6/0x1e0 [ 5223.423316][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5223.423316][ T74] [ 5223.425208][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5223.425208][ T74] netdev_get_by_index+0x5e/0x80 [ 5223.425208][ T74] fib6_nh_init+0x3d8/0x1580 [ 5223.425208][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5223.425208][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5223.425208][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5223.425208][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5223.425208][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5223.425208][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5223.425208][ T74] addrconf_dad_begin+0x310/0x670 [ 5223.425208][ T74] addrconf_dad_work+0x10b/0xab0 [ 5223.425208][ T74] process_one_work+0x84d/0x18a0 [ 5223.425208][ T74] worker_thread+0x587/0xd30 [ 5223.425208][ T74] kthread+0x28a/0x350 [ 5223.425208][ T74] ret_from_fork+0x31/0x70 [ 5223.425208][ T74] ret_from_fork_asm+0x1a/0x30 [ 5223.425208][ T74] [ 5223.427101][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5223.427101][ T74] netdev_get_by_index+0x5e/0x80 [ 5223.427101][ T74] fib6_nh_init+0x3d8/0x1580 [ 5223.427101][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5223.427101][ T74] ip6_route_add+0x1c/0x140 [ 5223.427101][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5223.427101][ T74] inet6_addr_add+0x4f8/0xa40 [ 5223.427101][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5223.427101][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5223.427101][ T74] netlink_rcv_skb+0x130/0x360 [ 5223.427101][ T74] netlink_unicast+0x449/0x710 [ 5223.427101][ T74] netlink_sendmsg+0x723/0xbe0 [ 5223.427101][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5223.427101][ T74] ___sys_sendmsg+0xee/0x170 [ 5223.427101][ T74] __sys_sendmsg+0xcd/0x170 [ 5223.427101][ T74] do_syscall_64+0xc6/0x1e0 [ 5223.427101][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5223.427101][ T74] [ 5223.429098][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5223.429098][ T74] netdev_get_by_index+0x5e/0x80 [ 5223.429098][ T74] fib6_nh_init+0x3d8/0x1580 [ 5223.429098][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5223.429098][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5223.429098][ T74] ipv6_add_addr+0x411/0x2000 [ 5223.429098][ T74] inet6_addr_add+0x30e/0xa40 [ 5223.429098][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5223.429098][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5223.429098][ T74] netlink_rcv_skb+0x130/0x360 [ 5223.429098][ T74] netlink_unicast+0x449/0x710 [ 5223.429098][ T74] netlink_sendmsg+0x723/0xbe0 [ 5223.429098][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5223.429098][ T74] ___sys_sendmsg+0xee/0x170 [ 5223.429098][ T74] __sys_sendmsg+0xcd/0x170 [ 5223.429098][ T74] do_syscall_64+0xc6/0x1e0 [ 5223.429098][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5223.429098][ T74] [ 5223.431092][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5223.431092][ T74] netdev_get_by_index+0x5e/0x80 [ 5223.431092][ T74] fib6_nh_init+0x3d8/0x1580 [ 5223.431092][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5223.431092][ T74] ip6_route_add+0x1c/0x140 [ 5223.431092][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5223.431092][ T74] addrconf_add_dev+0xe2/0x170 [ 5223.431092][ T74] inet6_addr_add+0x12f/0xa40 [ 5223.431092][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5223.431092][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5223.431092][ T74] netlink_rcv_skb+0x130/0x360 [ 5223.431092][ T74] netlink_unicast+0x449/0x710 [ 5223.431092][ T74] netlink_sendmsg+0x723/0xbe0 [ 5223.431092][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5223.431092][ T74] ___sys_sendmsg+0xee/0x170 [ 5223.431092][ T74] __sys_sendmsg+0xcd/0x170 [ 5223.431092][ T74] do_syscall_64+0xc6/0x1e0 [ 5223.431092][ T74] [ 5223.433068][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5223.433068][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5223.433068][ T74] ipv6_find_idev+0x102/0x170 [ 5223.433068][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5223.433068][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5223.433068][ T74] netlink_rcv_skb+0x130/0x360 [ 5223.433068][ T74] netlink_unicast+0x449/0x710 [ 5223.433068][ T74] netlink_sendmsg+0x723/0xbe0 [ 5223.433068][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5223.433068][ T74] ___sys_sendmsg+0xee/0x170 [ 5223.433068][ T74] __sys_sendmsg+0xcd/0x170 [ 5223.433068][ T74] do_syscall_64+0xc6/0x1e0 [ 5223.433068][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5223.433068][ T74] [ 5223.434738][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5223.434738][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5223.434738][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5223.434738][ T74] ipv6_find_idev+0x102/0x170 [ 5223.434738][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5223.434738][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5223.434738][ T74] netlink_rcv_skb+0x130/0x360 [ 5223.434738][ T74] netlink_unicast+0x449/0x710 [ 5223.434738][ T74] netlink_sendmsg+0x723/0xbe0 [ 5223.434738][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5223.434738][ T74] ___sys_sendmsg+0xee/0x170 [ 5223.434738][ T74] __sys_sendmsg+0xcd/0x170 [ 5223.434738][ T74] do_syscall_64+0xc6/0x1e0 [ 5223.434738][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5223.434738][ T74] [ 5223.436599][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5223.436925][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5223.436925][ T74] netdev_get_by_index+0x5e/0x80 [ 5223.436925][ T74] fib6_nh_init+0x3d8/0x1580 [ 5223.436925][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5223.436925][ T74] ip6_route_add+0x1c/0x140 [ 5223.436925][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5223.436925][ T74] inet6_addr_add+0x4f8/0xa40 [ 5223.436925][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5223.436925][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5223.436925][ T74] netlink_rcv_skb+0x130/0x360 [ 5223.436925][ T74] netlink_unicast+0x449/0x710 [ 5223.436925][ T74] netlink_sendmsg+0x723/0xbe0 [ 5223.436925][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5223.436925][ T74] ___sys_sendmsg+0xee/0x170 [ 5223.436925][ T74] __sys_sendmsg+0xcd/0x170 [ 5223.436925][ T74] do_syscall_64+0xc6/0x1e0 [ 5223.436925][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5223.436925][ T74] [ 5223.439081][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5223.439081][ T74] netdev_get_by_index+0x5e/0x80 [ 5223.439081][ T74] fib6_nh_init+0x3d8/0x1580 [ 5223.439081][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5223.439081][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5223.439081][ T74] ipv6_add_addr+0x411/0x2000 [ 5223.439081][ T74] inet6_addr_add+0x30e/0xa40 [ 5223.439081][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5223.439081][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5223.439081][ T74] netlink_rcv_skb+0x130/0x360 [ 5223.439081][ T74] netlink_unicast+0x449/0x710 [ 5223.439081][ T74] netlink_sendmsg+0x723/0xbe0 [ 5223.439081][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5223.439081][ T74] ___sys_sendmsg+0xee/0x170 [ 5223.439081][ T74] __sys_sendmsg+0xcd/0x170 [ 5223.439081][ T74] do_syscall_64+0xc6/0x1e0 [ 5223.439081][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5223.439081][ T74] [ 5223.441262][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5223.441262][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5223.441262][ T74] ipv6_find_idev+0x102/0x170 [ 5223.441262][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5223.441262][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5223.441262][ T74] netlink_rcv_skb+0x130/0x360 [ 5223.441262][ T74] netlink_unicast+0x449/0x710 [ 5223.441262][ T74] netlink_sendmsg+0x723/0xbe0 [ 5223.441262][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5223.441262][ T74] ___sys_sendmsg+0xee/0x170 [ 5223.441262][ T74] __sys_sendmsg+0xcd/0x170 [ 5223.441262][ T74] do_syscall_64+0xc6/0x1e0 [ 5223.441262][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5223.441262][ T74] [ 5223.442945][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5223.442945][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5223.442945][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5223.442945][ T74] ipv6_find_idev+0x102/0x170 [ 5223.442945][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5223.442945][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5223.442945][ T74] netlink_rcv_skb+0x130/0x360 [ 5223.442945][ T74] netlink_unicast+0x449/0x710 [ 5223.442945][ T74] netlink_sendmsg+0x723/0xbe0 [ 5223.442945][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5223.442945][ T74] ___sys_sendmsg+0xee/0x170 [ 5223.442945][ T74] __sys_sendmsg+0xcd/0x170 [ 5223.442945][ T74] do_syscall_64+0xc6/0x1e0 [ 5223.442945][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5223.442945][ T74] [ 5233.679958][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5233.680389][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5233.680389][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5233.680389][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5233.680389][ T74] fib6_nh_init+0xa22/0x1580 [ 5233.680389][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5233.680389][ T74] ip6_route_add+0x1c/0x140 [ 5233.680389][ T74] inet6_rtm_newroute+0x104/0x110 [ 5233.680389][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5233.680389][ T74] netlink_rcv_skb+0x130/0x360 [ 5233.680389][ T74] netlink_unicast+0x449/0x710 [ 5233.680389][ T74] netlink_sendmsg+0x723/0xbe0 [ 5233.680389][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5233.680389][ T74] ___sys_sendmsg+0xee/0x170 [ 5233.680389][ T74] __sys_sendmsg+0xcd/0x170 [ 5233.680389][ T74] do_syscall_64+0xc6/0x1e0 [ 5233.680389][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5233.680389][ T74] [ 5233.682307][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5233.682307][ T74] netdev_get_by_index+0x5e/0x80 [ 5233.682307][ T74] fib6_nh_init+0x3d8/0x1580 [ 5233.682307][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5233.682307][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5233.682307][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5233.682307][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5233.682307][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5233.682307][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5233.682307][ T74] addrconf_dad_begin+0x310/0x670 [ 5233.682307][ T74] addrconf_dad_work+0x10b/0xab0 [ 5233.682307][ T74] process_one_work+0x84d/0x18a0 [ 5233.682307][ T74] worker_thread+0x587/0xd30 [ 5233.682307][ T74] kthread+0x28a/0x350 [ 5233.682307][ T74] ret_from_fork+0x31/0x70 [ 5233.682307][ T74] ret_from_fork_asm+0x1a/0x30 [ 5233.682307][ T74] [ 5233.684230][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5233.684230][ T74] netdev_get_by_index+0x5e/0x80 [ 5233.684230][ T74] fib6_nh_init+0x3d8/0x1580 [ 5233.684230][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5233.684230][ T74] ip6_route_add+0x1c/0x140 [ 5233.684230][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5233.684230][ T74] inet6_addr_add+0x4f8/0xa40 [ 5233.684230][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5233.684230][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5233.684230][ T74] netlink_rcv_skb+0x130/0x360 [ 5233.684230][ T74] netlink_unicast+0x449/0x710 [ 5233.684230][ T74] netlink_sendmsg+0x723/0xbe0 [ 5233.684230][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5233.684230][ T74] ___sys_sendmsg+0xee/0x170 [ 5233.684230][ T74] __sys_sendmsg+0xcd/0x170 [ 5233.684230][ T74] do_syscall_64+0xc6/0x1e0 [ 5233.684230][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5233.684230][ T74] [ 5233.686230][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5233.686230][ T74] netdev_get_by_index+0x5e/0x80 [ 5233.686230][ T74] fib6_nh_init+0x3d8/0x1580 [ 5233.686230][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5233.686230][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5233.686230][ T74] ipv6_add_addr+0x411/0x2000 [ 5233.686230][ T74] inet6_addr_add+0x30e/0xa40 [ 5233.686230][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5233.686230][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5233.686230][ T74] netlink_rcv_skb+0x130/0x360 [ 5233.686230][ T74] netlink_unicast+0x449/0x710 [ 5233.686230][ T74] netlink_sendmsg+0x723/0xbe0 [ 5233.686230][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5233.686230][ T74] ___sys_sendmsg+0xee/0x170 [ 5233.686230][ T74] __sys_sendmsg+0xcd/0x170 [ 5233.686230][ T74] do_syscall_64+0xc6/0x1e0 [ 5233.686230][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5233.686230][ T74] [ 5233.688210][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5233.688210][ T74] netdev_get_by_index+0x5e/0x80 [ 5233.688210][ T74] fib6_nh_init+0x3d8/0x1580 [ 5233.688210][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5233.688210][ T74] ip6_route_add+0x1c/0x140 [ 5233.688210][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5233.688210][ T74] addrconf_add_dev+0xe2/0x170 [ 5233.688210][ T74] inet6_addr_add+0x12f/0xa40 [ 5233.688210][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5233.688210][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5233.688210][ T74] netlink_rcv_skb+0x130/0x360 [ 5233.688210][ T74] netlink_unicast+0x449/0x710 [ 5233.688210][ T74] netlink_sendmsg+0x723/0xbe0 [ 5233.688210][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5233.688210][ T74] ___sys_sendmsg+0xee/0x170 [ 5233.688210][ T74] __sys_sendmsg+0xcd/0x170 [ 5233.688210][ T74] do_syscall_64+0xc6/0x1e0 [ 5233.688210][ T74] [ 5233.690166][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5233.690166][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5233.690166][ T74] ipv6_find_idev+0x102/0x170 [ 5233.690166][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5233.690166][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5233.690166][ T74] netlink_rcv_skb+0x130/0x360 [ 5233.690166][ T74] netlink_unicast+0x449/0x710 [ 5233.690166][ T74] netlink_sendmsg+0x723/0xbe0 [ 5233.690166][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5233.690166][ T74] ___sys_sendmsg+0xee/0x170 [ 5233.690166][ T74] __sys_sendmsg+0xcd/0x170 [ 5233.690166][ T74] do_syscall_64+0xc6/0x1e0 [ 5233.690166][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5233.690166][ T74] [ 5233.691706][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5233.691706][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5233.691706][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5233.691706][ T74] ipv6_find_idev+0x102/0x170 [ 5233.691706][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5233.691706][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5233.691706][ T74] netlink_rcv_skb+0x130/0x360 [ 5233.691706][ T74] netlink_unicast+0x449/0x710 [ 5233.691706][ T74] netlink_sendmsg+0x723/0xbe0 [ 5233.691706][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5233.691706][ T74] ___sys_sendmsg+0xee/0x170 [ 5233.691706][ T74] __sys_sendmsg+0xcd/0x170 [ 5233.691706][ T74] do_syscall_64+0xc6/0x1e0 [ 5233.691706][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5233.691706][ T74] [ 5233.693383][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5233.693653][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5233.693653][ T74] dst_init+0x84/0x4a0 [ 5233.693653][ T74] dst_alloc+0x97/0x150 [ 5233.693653][ T74] ip6_dst_alloc+0x23/0x90 [ 5233.693653][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5233.693653][ T74] ip6_pol_route+0x56f/0x840 [ 5233.693653][ T74] fib6_rule_lookup+0x456/0x630 [ 5233.693653][ T74] ip6_route_input+0x59c/0xa50 [ 5233.693653][ T74] ipv6_rcv+0x397/0x810 [ 5233.693653][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5233.693653][ T74] process_backlog+0x101/0x620 [ 5233.693653][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5233.693653][ T74] net_rx_action+0x495/0xbe0 [ 5233.693653][ T74] __do_softirq+0x1b5/0x7f6 [ 5233.693653][ T74] [ 5233.695296][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5233.695296][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5233.695296][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5233.695296][ T74] fib6_nh_init+0xa22/0x1580 [ 5233.695296][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5233.695296][ T74] ip6_route_add+0x1c/0x140 [ 5233.695296][ T74] inet6_rtm_newroute+0x104/0x110 [ 5233.695296][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5233.695296][ T74] netlink_rcv_skb+0x130/0x360 [ 5233.695296][ T74] netlink_unicast+0x449/0x710 [ 5233.695296][ T74] netlink_sendmsg+0x723/0xbe0 [ 5233.695296][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5233.695296][ T74] ___sys_sendmsg+0xee/0x170 [ 5233.695296][ T74] __sys_sendmsg+0xcd/0x170 [ 5233.695296][ T74] do_syscall_64+0xc6/0x1e0 [ 5233.695296][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5233.695296][ T74] [ 5233.697191][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5233.697191][ T74] netdev_get_by_index+0x5e/0x80 [ 5233.697191][ T74] fib6_nh_init+0x3d8/0x1580 [ 5233.697191][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5233.697191][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5233.697191][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5233.697191][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5233.697191][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5233.697191][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5233.697191][ T74] addrconf_dad_begin+0x310/0x670 [ 5233.697191][ T74] addrconf_dad_work+0x10b/0xab0 [ 5233.697191][ T74] process_one_work+0x84d/0x18a0 [ 5233.697191][ T74] worker_thread+0x587/0xd30 [ 5233.697191][ T74] kthread+0x28a/0x350 [ 5233.697191][ T74] ret_from_fork+0x31/0x70 [ 5233.697191][ T74] ret_from_fork_asm+0x1a/0x30 [ 5233.697191][ T74] [ 5233.699105][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5233.699105][ T74] netdev_get_by_index+0x5e/0x80 [ 5233.699105][ T74] fib6_nh_init+0x3d8/0x1580 [ 5233.699105][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5233.699105][ T74] ip6_route_add+0x1c/0x140 [ 5233.699105][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5233.699105][ T74] inet6_addr_add+0x4f8/0xa40 [ 5233.699105][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5233.699105][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5233.699105][ T74] netlink_rcv_skb+0x130/0x360 [ 5233.699105][ T74] netlink_unicast+0x449/0x710 [ 5233.699105][ T74] netlink_sendmsg+0x723/0xbe0 [ 5233.699105][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5233.699105][ T74] ___sys_sendmsg+0xee/0x170 [ 5233.699105][ T74] __sys_sendmsg+0xcd/0x170 [ 5233.699105][ T74] do_syscall_64+0xc6/0x1e0 [ 5233.699105][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5233.699105][ T74] [ 5233.701104][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5233.701104][ T74] netdev_get_by_index+0x5e/0x80 [ 5233.701104][ T74] fib6_nh_init+0x3d8/0x1580 [ 5233.701104][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5233.701104][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5233.701104][ T74] ipv6_add_addr+0x411/0x2000 [ 5233.701104][ T74] inet6_addr_add+0x30e/0xa40 [ 5233.701104][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5233.701104][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5233.701104][ T74] netlink_rcv_skb+0x130/0x360 [ 5233.701104][ T74] netlink_unicast+0x449/0x710 [ 5233.701104][ T74] netlink_sendmsg+0x723/0xbe0 [ 5233.701104][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5233.701104][ T74] ___sys_sendmsg+0xee/0x170 [ 5233.701104][ T74] __sys_sendmsg+0xcd/0x170 [ 5233.701104][ T74] do_syscall_64+0xc6/0x1e0 [ 5233.701104][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5233.701104][ T74] [ 5233.703101][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5233.703101][ T74] netdev_get_by_index+0x5e/0x80 [ 5233.703101][ T74] fib6_nh_init+0x3d8/0x1580 [ 5233.703101][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5233.703101][ T74] ip6_route_add+0x1c/0x140 [ 5233.703101][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5233.703101][ T74] addrconf_add_dev+0xe2/0x170 [ 5233.703101][ T74] inet6_addr_add+0x12f/0xa40 [ 5233.703101][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5233.703101][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5233.703101][ T74] netlink_rcv_skb+0x130/0x360 [ 5233.703101][ T74] netlink_unicast+0x449/0x710 [ 5233.703101][ T74] netlink_sendmsg+0x723/0xbe0 [ 5233.703101][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5233.703101][ T74] ___sys_sendmsg+0xee/0x170 [ 5233.703101][ T74] __sys_sendmsg+0xcd/0x170 [ 5233.703101][ T74] do_syscall_64+0xc6/0x1e0 [ 5233.703101][ T74] [ 5233.705067][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5233.705067][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5233.705067][ T74] ipv6_find_idev+0x102/0x170 [ 5233.705067][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5233.705067][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5233.705067][ T74] netlink_rcv_skb+0x130/0x360 [ 5233.705067][ T74] netlink_unicast+0x449/0x710 [ 5233.705067][ T74] netlink_sendmsg+0x723/0xbe0 [ 5233.705067][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5233.705067][ T74] ___sys_sendmsg+0xee/0x170 [ 5233.705067][ T74] __sys_sendmsg+0xcd/0x170 [ 5233.705067][ T74] do_syscall_64+0xc6/0x1e0 [ 5233.705067][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5233.705067][ T74] [ 5233.706738][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5233.706738][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5233.706738][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5233.706738][ T74] ipv6_find_idev+0x102/0x170 [ 5233.706738][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5233.706738][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5233.706738][ T74] netlink_rcv_skb+0x130/0x360 [ 5233.706738][ T74] netlink_unicast+0x449/0x710 [ 5233.706738][ T74] netlink_sendmsg+0x723/0xbe0 [ 5233.706738][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5233.706738][ T74] ___sys_sendmsg+0xee/0x170 [ 5233.706738][ T74] __sys_sendmsg+0xcd/0x170 [ 5233.706738][ T74] do_syscall_64+0xc6/0x1e0 [ 5233.706738][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5233.706738][ T74] [ 5233.708673][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5233.708990][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5233.708990][ T74] netdev_get_by_index+0x5e/0x80 [ 5233.708990][ T74] fib6_nh_init+0x3d8/0x1580 [ 5233.708990][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5233.708990][ T74] ip6_route_add+0x1c/0x140 [ 5233.708990][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5233.708990][ T74] inet6_addr_add+0x4f8/0xa40 [ 5233.708990][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5233.708990][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5233.708990][ T74] netlink_rcv_skb+0x130/0x360 [ 5233.708990][ T74] netlink_unicast+0x449/0x710 [ 5233.708990][ T74] netlink_sendmsg+0x723/0xbe0 [ 5233.708990][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5233.708990][ T74] ___sys_sendmsg+0xee/0x170 [ 5233.708990][ T74] __sys_sendmsg+0xcd/0x170 [ 5233.708990][ T74] do_syscall_64+0xc6/0x1e0 [ 5233.708990][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5233.708990][ T74] [ 5233.711102][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5233.711102][ T74] netdev_get_by_index+0x5e/0x80 [ 5233.711102][ T74] fib6_nh_init+0x3d8/0x1580 [ 5233.711102][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5233.711102][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5233.711102][ T74] ipv6_add_addr+0x411/0x2000 [ 5233.711102][ T74] inet6_addr_add+0x30e/0xa40 [ 5233.711102][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5233.711102][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5233.711102][ T74] netlink_rcv_skb+0x130/0x360 [ 5233.711102][ T74] netlink_unicast+0x449/0x710 [ 5233.711102][ T74] netlink_sendmsg+0x723/0xbe0 [ 5233.711102][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5233.711102][ T74] ___sys_sendmsg+0xee/0x170 [ 5233.711102][ T74] __sys_sendmsg+0xcd/0x170 [ 5233.711102][ T74] do_syscall_64+0xc6/0x1e0 [ 5233.711102][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5233.711102][ T74] [ 5233.713353][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5233.713353][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5233.713353][ T74] ipv6_find_idev+0x102/0x170 [ 5233.713353][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5233.713353][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5233.713353][ T74] netlink_rcv_skb+0x130/0x360 [ 5233.713353][ T74] netlink_unicast+0x449/0x710 [ 5233.713353][ T74] netlink_sendmsg+0x723/0xbe0 [ 5233.713353][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5233.713353][ T74] ___sys_sendmsg+0xee/0x170 [ 5233.713353][ T74] __sys_sendmsg+0xcd/0x170 [ 5233.713353][ T74] do_syscall_64+0xc6/0x1e0 [ 5233.713353][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5233.713353][ T74] [ 5233.715078][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5233.715078][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5233.715078][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5233.715078][ T74] ipv6_find_idev+0x102/0x170 [ 5233.715078][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5233.715078][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5233.715078][ T74] netlink_rcv_skb+0x130/0x360 [ 5233.715078][ T74] netlink_unicast+0x449/0x710 [ 5233.715078][ T74] netlink_sendmsg+0x723/0xbe0 [ 5233.715078][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5233.715078][ T74] ___sys_sendmsg+0xee/0x170 [ 5233.715078][ T74] __sys_sendmsg+0xcd/0x170 [ 5233.715078][ T74] do_syscall_64+0xc6/0x1e0 [ 5233.715078][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5233.715078][ T74] [ 5243.959978][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5243.960395][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5243.960395][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5243.960395][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5243.960395][ T74] fib6_nh_init+0xa22/0x1580 [ 5243.960395][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5243.960395][ T74] ip6_route_add+0x1c/0x140 [ 5243.960395][ T74] inet6_rtm_newroute+0x104/0x110 [ 5243.960395][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5243.960395][ T74] netlink_rcv_skb+0x130/0x360 [ 5243.960395][ T74] netlink_unicast+0x449/0x710 [ 5243.960395][ T74] netlink_sendmsg+0x723/0xbe0 [ 5243.960395][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5243.960395][ T74] ___sys_sendmsg+0xee/0x170 [ 5243.960395][ T74] __sys_sendmsg+0xcd/0x170 [ 5243.960395][ T74] do_syscall_64+0xc6/0x1e0 [ 5243.960395][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5243.960395][ T74] [ 5243.962296][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5243.962296][ T74] netdev_get_by_index+0x5e/0x80 [ 5243.962296][ T74] fib6_nh_init+0x3d8/0x1580 [ 5243.962296][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5243.962296][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5243.962296][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5243.962296][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5243.962296][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5243.962296][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5243.962296][ T74] addrconf_dad_begin+0x310/0x670 [ 5243.962296][ T74] addrconf_dad_work+0x10b/0xab0 [ 5243.962296][ T74] process_one_work+0x84d/0x18a0 [ 5243.962296][ T74] worker_thread+0x587/0xd30 [ 5243.962296][ T74] kthread+0x28a/0x350 [ 5243.962296][ T74] ret_from_fork+0x31/0x70 [ 5243.962296][ T74] ret_from_fork_asm+0x1a/0x30 [ 5243.962296][ T74] [ 5243.964221][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5243.964221][ T74] netdev_get_by_index+0x5e/0x80 [ 5243.964221][ T74] fib6_nh_init+0x3d8/0x1580 [ 5243.964221][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5243.964221][ T74] ip6_route_add+0x1c/0x140 [ 5243.964221][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5243.964221][ T74] inet6_addr_add+0x4f8/0xa40 [ 5243.964221][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5243.964221][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5243.964221][ T74] netlink_rcv_skb+0x130/0x360 [ 5243.964221][ T74] netlink_unicast+0x449/0x710 [ 5243.964221][ T74] netlink_sendmsg+0x723/0xbe0 [ 5243.964221][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5243.964221][ T74] ___sys_sendmsg+0xee/0x170 [ 5243.964221][ T74] __sys_sendmsg+0xcd/0x170 [ 5243.964221][ T74] do_syscall_64+0xc6/0x1e0 [ 5243.964221][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5243.964221][ T74] [ 5243.966218][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5243.966218][ T74] netdev_get_by_index+0x5e/0x80 [ 5243.966218][ T74] fib6_nh_init+0x3d8/0x1580 [ 5243.966218][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5243.966218][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5243.966218][ T74] ipv6_add_addr+0x411/0x2000 [ 5243.966218][ T74] inet6_addr_add+0x30e/0xa40 [ 5243.966218][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5243.966218][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5243.966218][ T74] netlink_rcv_skb+0x130/0x360 [ 5243.966218][ T74] netlink_unicast+0x449/0x710 [ 5243.966218][ T74] netlink_sendmsg+0x723/0xbe0 [ 5243.966218][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5243.966218][ T74] ___sys_sendmsg+0xee/0x170 [ 5243.966218][ T74] __sys_sendmsg+0xcd/0x170 [ 5243.966218][ T74] do_syscall_64+0xc6/0x1e0 [ 5243.966218][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5243.966218][ T74] [ 5243.968224][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5243.968224][ T74] netdev_get_by_index+0x5e/0x80 [ 5243.968224][ T74] fib6_nh_init+0x3d8/0x1580 [ 5243.968224][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5243.968224][ T74] ip6_route_add+0x1c/0x140 [ 5243.968224][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5243.968224][ T74] addrconf_add_dev+0xe2/0x170 [ 5243.968224][ T74] inet6_addr_add+0x12f/0xa40 [ 5243.968224][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5243.968224][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5243.968224][ T74] netlink_rcv_skb+0x130/0x360 [ 5243.968224][ T74] netlink_unicast+0x449/0x710 [ 5243.968224][ T74] netlink_sendmsg+0x723/0xbe0 [ 5243.968224][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5243.968224][ T74] ___sys_sendmsg+0xee/0x170 [ 5243.968224][ T74] __sys_sendmsg+0xcd/0x170 [ 5243.968224][ T74] do_syscall_64+0xc6/0x1e0 [ 5243.968224][ T74] [ 5243.970184][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5243.970184][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5243.970184][ T74] ipv6_find_idev+0x102/0x170 [ 5243.970184][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5243.970184][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5243.970184][ T74] netlink_rcv_skb+0x130/0x360 [ 5243.970184][ T74] netlink_unicast+0x449/0x710 [ 5243.970184][ T74] netlink_sendmsg+0x723/0xbe0 [ 5243.970184][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5243.970184][ T74] ___sys_sendmsg+0xee/0x170 [ 5243.970184][ T74] __sys_sendmsg+0xcd/0x170 [ 5243.970184][ T74] do_syscall_64+0xc6/0x1e0 [ 5243.970184][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5243.970184][ T74] [ 5243.971725][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5243.971725][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5243.971725][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5243.971725][ T74] ipv6_find_idev+0x102/0x170 [ 5243.971725][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5243.971725][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5243.971725][ T74] netlink_rcv_skb+0x130/0x360 [ 5243.971725][ T74] netlink_unicast+0x449/0x710 [ 5243.971725][ T74] netlink_sendmsg+0x723/0xbe0 [ 5243.971725][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5243.971725][ T74] ___sys_sendmsg+0xee/0x170 [ 5243.971725][ T74] __sys_sendmsg+0xcd/0x170 [ 5243.971725][ T74] do_syscall_64+0xc6/0x1e0 [ 5243.971725][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5243.971725][ T74] [ 5243.973404][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5243.973678][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5243.973678][ T74] dst_init+0x84/0x4a0 [ 5243.973678][ T74] dst_alloc+0x97/0x150 [ 5243.973678][ T74] ip6_dst_alloc+0x23/0x90 [ 5243.973678][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5243.973678][ T74] ip6_pol_route+0x56f/0x840 [ 5243.973678][ T74] fib6_rule_lookup+0x456/0x630 [ 5243.973678][ T74] ip6_route_input+0x59c/0xa50 [ 5243.973678][ T74] ipv6_rcv+0x397/0x810 [ 5243.973678][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5243.973678][ T74] process_backlog+0x101/0x620 [ 5243.973678][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5243.973678][ T74] net_rx_action+0x495/0xbe0 [ 5243.973678][ T74] __do_softirq+0x1b5/0x7f6 [ 5243.973678][ T74] [ 5243.975308][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5243.975308][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5243.975308][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5243.975308][ T74] fib6_nh_init+0xa22/0x1580 [ 5243.975308][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5243.975308][ T74] ip6_route_add+0x1c/0x140 [ 5243.975308][ T74] inet6_rtm_newroute+0x104/0x110 [ 5243.975308][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5243.975308][ T74] netlink_rcv_skb+0x130/0x360 [ 5243.975308][ T74] netlink_unicast+0x449/0x710 [ 5243.975308][ T74] netlink_sendmsg+0x723/0xbe0 [ 5243.975308][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5243.975308][ T74] ___sys_sendmsg+0xee/0x170 [ 5243.975308][ T74] __sys_sendmsg+0xcd/0x170 [ 5243.975308][ T74] do_syscall_64+0xc6/0x1e0 [ 5243.975308][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5243.975308][ T74] [ 5243.977174][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5243.977174][ T74] netdev_get_by_index+0x5e/0x80 [ 5243.977174][ T74] fib6_nh_init+0x3d8/0x1580 [ 5243.977174][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5243.977174][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5243.977174][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5243.977174][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5243.977174][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5243.977174][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5243.977174][ T74] addrconf_dad_begin+0x310/0x670 [ 5243.977174][ T74] addrconf_dad_work+0x10b/0xab0 [ 5243.977174][ T74] process_one_work+0x84d/0x18a0 [ 5243.977174][ T74] worker_thread+0x587/0xd30 [ 5243.977174][ T74] kthread+0x28a/0x350 [ 5243.977174][ T74] ret_from_fork+0x31/0x70 [ 5243.977174][ T74] ret_from_fork_asm+0x1a/0x30 [ 5243.977174][ T74] [ 5243.979069][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5243.979069][ T74] netdev_get_by_index+0x5e/0x80 [ 5243.979069][ T74] fib6_nh_init+0x3d8/0x1580 [ 5243.979069][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5243.979069][ T74] ip6_route_add+0x1c/0x140 [ 5243.979069][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5243.979069][ T74] inet6_addr_add+0x4f8/0xa40 [ 5243.979069][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5243.979069][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5243.979069][ T74] netlink_rcv_skb+0x130/0x360 [ 5243.979069][ T74] netlink_unicast+0x449/0x710 [ 5243.979069][ T74] netlink_sendmsg+0x723/0xbe0 [ 5243.979069][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5243.979069][ T74] ___sys_sendmsg+0xee/0x170 [ 5243.979069][ T74] __sys_sendmsg+0xcd/0x170 [ 5243.979069][ T74] do_syscall_64+0xc6/0x1e0 [ 5243.979069][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5243.979069][ T74] [ 5243.981057][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5243.981057][ T74] netdev_get_by_index+0x5e/0x80 [ 5243.981057][ T74] fib6_nh_init+0x3d8/0x1580 [ 5243.981057][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5243.981057][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5243.981057][ T74] ipv6_add_addr+0x411/0x2000 [ 5243.981057][ T74] inet6_addr_add+0x30e/0xa40 [ 5243.981057][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5243.981057][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5243.981057][ T74] netlink_rcv_skb+0x130/0x360 [ 5243.981057][ T74] netlink_unicast+0x449/0x710 [ 5243.981057][ T74] netlink_sendmsg+0x723/0xbe0 [ 5243.981057][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5243.981057][ T74] ___sys_sendmsg+0xee/0x170 [ 5243.981057][ T74] __sys_sendmsg+0xcd/0x170 [ 5243.981057][ T74] do_syscall_64+0xc6/0x1e0 [ 5243.981057][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5243.981057][ T74] [ 5243.983044][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5243.983044][ T74] netdev_get_by_index+0x5e/0x80 [ 5243.983044][ T74] fib6_nh_init+0x3d8/0x1580 [ 5243.983044][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5243.983044][ T74] ip6_route_add+0x1c/0x140 [ 5243.983044][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5243.983044][ T74] addrconf_add_dev+0xe2/0x170 [ 5243.983044][ T74] inet6_addr_add+0x12f/0xa40 [ 5243.983044][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5243.983044][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5243.983044][ T74] netlink_rcv_skb+0x130/0x360 [ 5243.983044][ T74] netlink_unicast+0x449/0x710 [ 5243.983044][ T74] netlink_sendmsg+0x723/0xbe0 [ 5243.983044][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5243.983044][ T74] ___sys_sendmsg+0xee/0x170 [ 5243.983044][ T74] __sys_sendmsg+0xcd/0x170 [ 5243.983044][ T74] do_syscall_64+0xc6/0x1e0 [ 5243.983044][ T74] [ 5243.985008][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5243.985008][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5243.985008][ T74] ipv6_find_idev+0x102/0x170 [ 5243.985008][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5243.985008][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5243.985008][ T74] netlink_rcv_skb+0x130/0x360 [ 5243.985008][ T74] netlink_unicast+0x449/0x710 [ 5243.985008][ T74] netlink_sendmsg+0x723/0xbe0 [ 5243.985008][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5243.985008][ T74] ___sys_sendmsg+0xee/0x170 [ 5243.985008][ T74] __sys_sendmsg+0xcd/0x170 [ 5243.985008][ T74] do_syscall_64+0xc6/0x1e0 [ 5243.985008][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5243.985008][ T74] [ 5243.986666][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5243.986666][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5243.986666][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5243.986666][ T74] ipv6_find_idev+0x102/0x170 [ 5243.986666][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5243.986666][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5243.986666][ T74] netlink_rcv_skb+0x130/0x360 [ 5243.986666][ T74] netlink_unicast+0x449/0x710 [ 5243.986666][ T74] netlink_sendmsg+0x723/0xbe0 [ 5243.986666][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5243.986666][ T74] ___sys_sendmsg+0xee/0x170 [ 5243.986666][ T74] __sys_sendmsg+0xcd/0x170 [ 5243.986666][ T74] do_syscall_64+0xc6/0x1e0 [ 5243.986666][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5243.986666][ T74] [ 5243.988622][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5243.988857][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5243.988857][ T74] netdev_get_by_index+0x5e/0x80 [ 5243.988857][ T74] fib6_nh_init+0x3d8/0x1580 [ 5243.988857][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5243.988857][ T74] ip6_route_add+0x1c/0x140 [ 5243.988857][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5243.988857][ T74] inet6_addr_add+0x4f8/0xa40 [ 5243.988857][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5243.988857][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5243.988857][ T74] netlink_rcv_skb+0x130/0x360 [ 5243.988857][ T74] netlink_unicast+0x449/0x710 [ 5243.988857][ T74] netlink_sendmsg+0x723/0xbe0 [ 5243.988857][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5243.988857][ T74] ___sys_sendmsg+0xee/0x170 [ 5243.988857][ T74] __sys_sendmsg+0xcd/0x170 [ 5243.988857][ T74] do_syscall_64+0xc6/0x1e0 [ 5243.988857][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5243.988857][ T74] [ 5243.991087][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5243.991087][ T74] netdev_get_by_index+0x5e/0x80 [ 5243.991087][ T74] fib6_nh_init+0x3d8/0x1580 [ 5243.991087][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5243.991087][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5243.991087][ T74] ipv6_add_addr+0x411/0x2000 [ 5243.991087][ T74] inet6_addr_add+0x30e/0xa40 [ 5243.991087][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5243.991087][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5243.991087][ T74] netlink_rcv_skb+0x130/0x360 [ 5243.991087][ T74] netlink_unicast+0x449/0x710 [ 5243.991087][ T74] netlink_sendmsg+0x723/0xbe0 [ 5243.991087][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5243.991087][ T74] ___sys_sendmsg+0xee/0x170 [ 5243.991087][ T74] __sys_sendmsg+0xcd/0x170 [ 5243.991087][ T74] do_syscall_64+0xc6/0x1e0 [ 5243.991087][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5243.991087][ T74] [ 5243.993306][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5243.993306][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5243.993306][ T74] ipv6_find_idev+0x102/0x170 [ 5243.993306][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5243.993306][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5243.993306][ T74] netlink_rcv_skb+0x130/0x360 [ 5243.993306][ T74] netlink_unicast+0x449/0x710 [ 5243.993306][ T74] netlink_sendmsg+0x723/0xbe0 [ 5243.993306][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5243.993306][ T74] ___sys_sendmsg+0xee/0x170 [ 5243.993306][ T74] __sys_sendmsg+0xcd/0x170 [ 5243.993306][ T74] do_syscall_64+0xc6/0x1e0 [ 5243.993306][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5243.993306][ T74] [ 5243.994895][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5243.994895][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5243.994895][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5243.994895][ T74] ipv6_find_idev+0x102/0x170 [ 5243.994895][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5243.994895][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5243.994895][ T74] netlink_rcv_skb+0x130/0x360 [ 5243.994895][ T74] netlink_unicast+0x449/0x710 [ 5243.994895][ T74] netlink_sendmsg+0x723/0xbe0 [ 5243.994895][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5243.994895][ T74] ___sys_sendmsg+0xee/0x170 [ 5243.994895][ T74] __sys_sendmsg+0xcd/0x170 [ 5243.994895][ T74] do_syscall_64+0xc6/0x1e0 [ 5243.994895][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5243.994895][ T74] [ 5254.231956][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5254.232427][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5254.232427][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5254.232427][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5254.232427][ T74] fib6_nh_init+0xa22/0x1580 [ 5254.232427][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5254.232427][ T74] ip6_route_add+0x1c/0x140 [ 5254.232427][ T74] inet6_rtm_newroute+0x104/0x110 [ 5254.232427][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5254.232427][ T74] netlink_rcv_skb+0x130/0x360 [ 5254.232427][ T74] netlink_unicast+0x449/0x710 [ 5254.232427][ T74] netlink_sendmsg+0x723/0xbe0 [ 5254.232427][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5254.232427][ T74] ___sys_sendmsg+0xee/0x170 [ 5254.232427][ T74] __sys_sendmsg+0xcd/0x170 [ 5254.232427][ T74] do_syscall_64+0xc6/0x1e0 [ 5254.232427][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5254.232427][ T74] [ 5254.234331][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5254.234331][ T74] netdev_get_by_index+0x5e/0x80 [ 5254.234331][ T74] fib6_nh_init+0x3d8/0x1580 [ 5254.234331][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5254.234331][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5254.234331][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5254.234331][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5254.234331][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5254.234331][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5254.234331][ T74] addrconf_dad_begin+0x310/0x670 [ 5254.234331][ T74] addrconf_dad_work+0x10b/0xab0 [ 5254.234331][ T74] process_one_work+0x84d/0x18a0 [ 5254.234331][ T74] worker_thread+0x587/0xd30 [ 5254.234331][ T74] kthread+0x28a/0x350 [ 5254.234331][ T74] ret_from_fork+0x31/0x70 [ 5254.234331][ T74] ret_from_fork_asm+0x1a/0x30 [ 5254.234331][ T74] [ 5254.236254][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5254.236254][ T74] netdev_get_by_index+0x5e/0x80 [ 5254.236254][ T74] fib6_nh_init+0x3d8/0x1580 [ 5254.236254][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5254.236254][ T74] ip6_route_add+0x1c/0x140 [ 5254.236254][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5254.236254][ T74] inet6_addr_add+0x4f8/0xa40 [ 5254.236254][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5254.236254][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5254.236254][ T74] netlink_rcv_skb+0x130/0x360 [ 5254.236254][ T74] netlink_unicast+0x449/0x710 [ 5254.236254][ T74] netlink_sendmsg+0x723/0xbe0 [ 5254.236254][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5254.236254][ T74] ___sys_sendmsg+0xee/0x170 [ 5254.236254][ T74] __sys_sendmsg+0xcd/0x170 [ 5254.236254][ T74] do_syscall_64+0xc6/0x1e0 [ 5254.236254][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5254.236254][ T74] [ 5254.238249][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5254.238249][ T74] netdev_get_by_index+0x5e/0x80 [ 5254.238249][ T74] fib6_nh_init+0x3d8/0x1580 [ 5254.238249][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5254.238249][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5254.238249][ T74] ipv6_add_addr+0x411/0x2000 [ 5254.238249][ T74] inet6_addr_add+0x30e/0xa40 [ 5254.238249][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5254.238249][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5254.238249][ T74] netlink_rcv_skb+0x130/0x360 [ 5254.238249][ T74] netlink_unicast+0x449/0x710 [ 5254.238249][ T74] netlink_sendmsg+0x723/0xbe0 [ 5254.238249][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5254.238249][ T74] ___sys_sendmsg+0xee/0x170 [ 5254.238249][ T74] __sys_sendmsg+0xcd/0x170 [ 5254.238249][ T74] do_syscall_64+0xc6/0x1e0 [ 5254.238249][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5254.238249][ T74] [ 5254.240263][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5254.240263][ T74] netdev_get_by_index+0x5e/0x80 [ 5254.240263][ T74] fib6_nh_init+0x3d8/0x1580 [ 5254.240263][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5254.240263][ T74] ip6_route_add+0x1c/0x140 [ 5254.240263][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5254.240263][ T74] addrconf_add_dev+0xe2/0x170 [ 5254.240263][ T74] inet6_addr_add+0x12f/0xa40 [ 5254.240263][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5254.240263][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5254.240263][ T74] netlink_rcv_skb+0x130/0x360 [ 5254.240263][ T74] netlink_unicast+0x449/0x710 [ 5254.240263][ T74] netlink_sendmsg+0x723/0xbe0 [ 5254.240263][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5254.240263][ T74] ___sys_sendmsg+0xee/0x170 [ 5254.240263][ T74] __sys_sendmsg+0xcd/0x170 [ 5254.240263][ T74] do_syscall_64+0xc6/0x1e0 [ 5254.240263][ T74] [ 5254.242211][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5254.242211][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5254.242211][ T74] ipv6_find_idev+0x102/0x170 [ 5254.242211][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5254.242211][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5254.242211][ T74] netlink_rcv_skb+0x130/0x360 [ 5254.242211][ T74] netlink_unicast+0x449/0x710 [ 5254.242211][ T74] netlink_sendmsg+0x723/0xbe0 [ 5254.242211][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5254.242211][ T74] ___sys_sendmsg+0xee/0x170 [ 5254.242211][ T74] __sys_sendmsg+0xcd/0x170 [ 5254.242211][ T74] do_syscall_64+0xc6/0x1e0 [ 5254.242211][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5254.242211][ T74] [ 5254.243739][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5254.243739][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5254.243739][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5254.243739][ T74] ipv6_find_idev+0x102/0x170 [ 5254.243739][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5254.243739][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5254.243739][ T74] netlink_rcv_skb+0x130/0x360 [ 5254.243739][ T74] netlink_unicast+0x449/0x710 [ 5254.243739][ T74] netlink_sendmsg+0x723/0xbe0 [ 5254.243739][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5254.243739][ T74] ___sys_sendmsg+0xee/0x170 [ 5254.243739][ T74] __sys_sendmsg+0xcd/0x170 [ 5254.243739][ T74] do_syscall_64+0xc6/0x1e0 [ 5254.243739][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5254.243739][ T74] [ 5254.245431][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5254.245706][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5254.245706][ T74] dst_init+0x84/0x4a0 [ 5254.245706][ T74] dst_alloc+0x97/0x150 [ 5254.245706][ T74] ip6_dst_alloc+0x23/0x90 [ 5254.245706][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5254.245706][ T74] ip6_pol_route+0x56f/0x840 [ 5254.245706][ T74] fib6_rule_lookup+0x456/0x630 [ 5254.245706][ T74] ip6_route_input+0x59c/0xa50 [ 5254.245706][ T74] ipv6_rcv+0x397/0x810 [ 5254.245706][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5254.245706][ T74] process_backlog+0x101/0x620 [ 5254.245706][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5254.245706][ T74] net_rx_action+0x495/0xbe0 [ 5254.245706][ T74] __do_softirq+0x1b5/0x7f6 [ 5254.245706][ T74] [ 5254.247334][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5254.247334][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5254.247334][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5254.247334][ T74] fib6_nh_init+0xa22/0x1580 [ 5254.247334][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5254.247334][ T74] ip6_route_add+0x1c/0x140 [ 5254.247334][ T74] inet6_rtm_newroute+0x104/0x110 [ 5254.247334][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5254.247334][ T74] netlink_rcv_skb+0x130/0x360 [ 5254.247334][ T74] netlink_unicast+0x449/0x710 [ 5254.247334][ T74] netlink_sendmsg+0x723/0xbe0 [ 5254.247334][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5254.247334][ T74] ___sys_sendmsg+0xee/0x170 [ 5254.247334][ T74] __sys_sendmsg+0xcd/0x170 [ 5254.247334][ T74] do_syscall_64+0xc6/0x1e0 [ 5254.247334][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5254.247334][ T74] [ 5254.249201][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5254.249201][ T74] netdev_get_by_index+0x5e/0x80 [ 5254.249201][ T74] fib6_nh_init+0x3d8/0x1580 [ 5254.249201][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5254.249201][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5254.249201][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5254.249201][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5254.249201][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5254.249201][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5254.249201][ T74] addrconf_dad_begin+0x310/0x670 [ 5254.249201][ T74] addrconf_dad_work+0x10b/0xab0 [ 5254.249201][ T74] process_one_work+0x84d/0x18a0 [ 5254.249201][ T74] worker_thread+0x587/0xd30 [ 5254.249201][ T74] kthread+0x28a/0x350 [ 5254.249201][ T74] ret_from_fork+0x31/0x70 [ 5254.249201][ T74] ret_from_fork_asm+0x1a/0x30 [ 5254.249201][ T74] [ 5254.251105][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5254.251105][ T74] netdev_get_by_index+0x5e/0x80 [ 5254.251105][ T74] fib6_nh_init+0x3d8/0x1580 [ 5254.251105][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5254.251105][ T74] ip6_route_add+0x1c/0x140 [ 5254.251105][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5254.251105][ T74] inet6_addr_add+0x4f8/0xa40 [ 5254.251105][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5254.251105][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5254.251105][ T74] netlink_rcv_skb+0x130/0x360 [ 5254.251105][ T74] netlink_unicast+0x449/0x710 [ 5254.251105][ T74] netlink_sendmsg+0x723/0xbe0 [ 5254.251105][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5254.251105][ T74] ___sys_sendmsg+0xee/0x170 [ 5254.251105][ T74] __sys_sendmsg+0xcd/0x170 [ 5254.251105][ T74] do_syscall_64+0xc6/0x1e0 [ 5254.251105][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5254.251105][ T74] [ 5254.253138][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5254.253138][ T74] netdev_get_by_index+0x5e/0x80 [ 5254.253138][ T74] fib6_nh_init+0x3d8/0x1580 [ 5254.253138][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5254.253138][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5254.253138][ T74] ipv6_add_addr+0x411/0x2000 [ 5254.253138][ T74] inet6_addr_add+0x30e/0xa40 [ 5254.253138][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5254.253138][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5254.253138][ T74] netlink_rcv_skb+0x130/0x360 [ 5254.253138][ T74] netlink_unicast+0x449/0x710 [ 5254.253138][ T74] netlink_sendmsg+0x723/0xbe0 [ 5254.253138][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5254.253138][ T74] ___sys_sendmsg+0xee/0x170 [ 5254.253138][ T74] __sys_sendmsg+0xcd/0x170 [ 5254.253138][ T74] do_syscall_64+0xc6/0x1e0 [ 5254.253138][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5254.253138][ T74] [ 5254.255150][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5254.255150][ T74] netdev_get_by_index+0x5e/0x80 [ 5254.255150][ T74] fib6_nh_init+0x3d8/0x1580 [ 5254.255150][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5254.255150][ T74] ip6_route_add+0x1c/0x140 [ 5254.255150][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5254.255150][ T74] addrconf_add_dev+0xe2/0x170 [ 5254.255150][ T74] inet6_addr_add+0x12f/0xa40 [ 5254.255150][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5254.255150][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5254.255150][ T74] netlink_rcv_skb+0x130/0x360 [ 5254.255150][ T74] netlink_unicast+0x449/0x710 [ 5254.255150][ T74] netlink_sendmsg+0x723/0xbe0 [ 5254.255150][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5254.255150][ T74] ___sys_sendmsg+0xee/0x170 [ 5254.255150][ T74] __sys_sendmsg+0xcd/0x170 [ 5254.255150][ T74] do_syscall_64+0xc6/0x1e0 [ 5254.255150][ T74] [ 5254.257117][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5254.257117][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5254.257117][ T74] ipv6_find_idev+0x102/0x170 [ 5254.257117][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5254.257117][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5254.257117][ T74] netlink_rcv_skb+0x130/0x360 [ 5254.257117][ T74] netlink_unicast+0x449/0x710 [ 5254.257117][ T74] netlink_sendmsg+0x723/0xbe0 [ 5254.257117][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5254.257117][ T74] ___sys_sendmsg+0xee/0x170 [ 5254.257117][ T74] __sys_sendmsg+0xcd/0x170 [ 5254.257117][ T74] do_syscall_64+0xc6/0x1e0 [ 5254.257117][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5254.257117][ T74] [ 5254.258715][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5254.258715][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5254.258715][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5254.258715][ T74] ipv6_find_idev+0x102/0x170 [ 5254.258715][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5254.258715][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5254.258715][ T74] netlink_rcv_skb+0x130/0x360 [ 5254.258715][ T74] netlink_unicast+0x449/0x710 [ 5254.258715][ T74] netlink_sendmsg+0x723/0xbe0 [ 5254.258715][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5254.258715][ T74] ___sys_sendmsg+0xee/0x170 [ 5254.258715][ T74] __sys_sendmsg+0xcd/0x170 [ 5254.258715][ T74] do_syscall_64+0xc6/0x1e0 [ 5254.258715][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5254.258715][ T74] [ 5254.260591][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5254.260828][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5254.260828][ T74] netdev_get_by_index+0x5e/0x80 [ 5254.260828][ T74] fib6_nh_init+0x3d8/0x1580 [ 5254.260828][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5254.260828][ T74] ip6_route_add+0x1c/0x140 [ 5254.260828][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5254.260828][ T74] inet6_addr_add+0x4f8/0xa40 [ 5254.260828][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5254.260828][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5254.260828][ T74] netlink_rcv_skb+0x130/0x360 [ 5254.260828][ T74] netlink_unicast+0x449/0x710 [ 5254.260828][ T74] netlink_sendmsg+0x723/0xbe0 [ 5254.260828][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5254.260828][ T74] ___sys_sendmsg+0xee/0x170 [ 5254.260828][ T74] __sys_sendmsg+0xcd/0x170 [ 5254.260828][ T74] do_syscall_64+0xc6/0x1e0 [ 5254.260828][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5254.260828][ T74] [ 5254.262982][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5254.262982][ T74] netdev_get_by_index+0x5e/0x80 [ 5254.262982][ T74] fib6_nh_init+0x3d8/0x1580 [ 5254.262982][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5254.262982][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5254.262982][ T74] ipv6_add_addr+0x411/0x2000 [ 5254.262982][ T74] inet6_addr_add+0x30e/0xa40 [ 5254.262982][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5254.262982][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5254.262982][ T74] netlink_rcv_skb+0x130/0x360 [ 5254.262982][ T74] netlink_unicast+0x449/0x710 [ 5254.262982][ T74] netlink_sendmsg+0x723/0xbe0 [ 5254.262982][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5254.262982][ T74] ___sys_sendmsg+0xee/0x170 [ 5254.262982][ T74] __sys_sendmsg+0xcd/0x170 [ 5254.262982][ T74] do_syscall_64+0xc6/0x1e0 [ 5254.262982][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5254.262982][ T74] [ 5254.265104][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5254.265104][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5254.265104][ T74] ipv6_find_idev+0x102/0x170 [ 5254.265104][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5254.265104][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5254.265104][ T74] netlink_rcv_skb+0x130/0x360 [ 5254.265104][ T74] netlink_unicast+0x449/0x710 [ 5254.265104][ T74] netlink_sendmsg+0x723/0xbe0 [ 5254.265104][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5254.265104][ T74] ___sys_sendmsg+0xee/0x170 [ 5254.265104][ T74] __sys_sendmsg+0xcd/0x170 [ 5254.265104][ T74] do_syscall_64+0xc6/0x1e0 [ 5254.265104][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5254.265104][ T74] [ 5254.266628][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5254.266628][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5254.266628][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5254.266628][ T74] ipv6_find_idev+0x102/0x170 [ 5254.266628][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5254.266628][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5254.266628][ T74] netlink_rcv_skb+0x130/0x360 [ 5254.266628][ T74] netlink_unicast+0x449/0x710 [ 5254.266628][ T74] netlink_sendmsg+0x723/0xbe0 [ 5254.266628][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5254.266628][ T74] ___sys_sendmsg+0xee/0x170 [ 5254.266628][ T74] __sys_sendmsg+0xcd/0x170 [ 5254.266628][ T74] do_syscall_64+0xc6/0x1e0 [ 5254.266628][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5254.266628][ T74] [ 5264.503959][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5264.504380][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5264.504380][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5264.504380][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5264.504380][ T74] fib6_nh_init+0xa22/0x1580 [ 5264.504380][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5264.504380][ T74] ip6_route_add+0x1c/0x140 [ 5264.504380][ T74] inet6_rtm_newroute+0x104/0x110 [ 5264.504380][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5264.504380][ T74] netlink_rcv_skb+0x130/0x360 [ 5264.504380][ T74] netlink_unicast+0x449/0x710 [ 5264.504380][ T74] netlink_sendmsg+0x723/0xbe0 [ 5264.504380][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5264.504380][ T74] ___sys_sendmsg+0xee/0x170 [ 5264.504380][ T74] __sys_sendmsg+0xcd/0x170 [ 5264.504380][ T74] do_syscall_64+0xc6/0x1e0 [ 5264.504380][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5264.504380][ T74] [ 5264.506267][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5264.506267][ T74] netdev_get_by_index+0x5e/0x80 [ 5264.506267][ T74] fib6_nh_init+0x3d8/0x1580 [ 5264.506267][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5264.506267][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5264.506267][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5264.506267][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5264.506267][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5264.506267][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5264.506267][ T74] addrconf_dad_begin+0x310/0x670 [ 5264.506267][ T74] addrconf_dad_work+0x10b/0xab0 [ 5264.506267][ T74] process_one_work+0x84d/0x18a0 [ 5264.506267][ T74] worker_thread+0x587/0xd30 [ 5264.506267][ T74] kthread+0x28a/0x350 [ 5264.506267][ T74] ret_from_fork+0x31/0x70 [ 5264.506267][ T74] ret_from_fork_asm+0x1a/0x30 [ 5264.506267][ T74] [ 5264.508172][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5264.508172][ T74] netdev_get_by_index+0x5e/0x80 [ 5264.508172][ T74] fib6_nh_init+0x3d8/0x1580 [ 5264.508172][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5264.508172][ T74] ip6_route_add+0x1c/0x140 [ 5264.508172][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5264.508172][ T74] inet6_addr_add+0x4f8/0xa40 [ 5264.508172][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5264.508172][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5264.508172][ T74] netlink_rcv_skb+0x130/0x360 [ 5264.508172][ T74] netlink_unicast+0x449/0x710 [ 5264.508172][ T74] netlink_sendmsg+0x723/0xbe0 [ 5264.508172][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5264.508172][ T74] ___sys_sendmsg+0xee/0x170 [ 5264.508172][ T74] __sys_sendmsg+0xcd/0x170 [ 5264.508172][ T74] do_syscall_64+0xc6/0x1e0 [ 5264.508172][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5264.508172][ T74] [ 5264.510160][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5264.510160][ T74] netdev_get_by_index+0x5e/0x80 [ 5264.510160][ T74] fib6_nh_init+0x3d8/0x1580 [ 5264.510160][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5264.510160][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5264.510160][ T74] ipv6_add_addr+0x411/0x2000 [ 5264.510160][ T74] inet6_addr_add+0x30e/0xa40 [ 5264.510160][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5264.510160][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5264.510160][ T74] netlink_rcv_skb+0x130/0x360 [ 5264.510160][ T74] netlink_unicast+0x449/0x710 [ 5264.510160][ T74] netlink_sendmsg+0x723/0xbe0 [ 5264.510160][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5264.510160][ T74] ___sys_sendmsg+0xee/0x170 [ 5264.510160][ T74] __sys_sendmsg+0xcd/0x170 [ 5264.510160][ T74] do_syscall_64+0xc6/0x1e0 [ 5264.510160][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5264.510160][ T74] [ 5264.512196][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5264.512196][ T74] netdev_get_by_index+0x5e/0x80 [ 5264.512196][ T74] fib6_nh_init+0x3d8/0x1580 [ 5264.512196][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5264.512196][ T74] ip6_route_add+0x1c/0x140 [ 5264.512196][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5264.512196][ T74] addrconf_add_dev+0xe2/0x170 [ 5264.512196][ T74] inet6_addr_add+0x12f/0xa40 [ 5264.512196][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5264.512196][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5264.512196][ T74] netlink_rcv_skb+0x130/0x360 [ 5264.512196][ T74] netlink_unicast+0x449/0x710 [ 5264.512196][ T74] netlink_sendmsg+0x723/0xbe0 [ 5264.512196][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5264.512196][ T74] ___sys_sendmsg+0xee/0x170 [ 5264.512196][ T74] __sys_sendmsg+0xcd/0x170 [ 5264.512196][ T74] do_syscall_64+0xc6/0x1e0 [ 5264.512196][ T74] [ 5264.514153][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5264.514153][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5264.514153][ T74] ipv6_find_idev+0x102/0x170 [ 5264.514153][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5264.514153][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5264.514153][ T74] netlink_rcv_skb+0x130/0x360 [ 5264.514153][ T74] netlink_unicast+0x449/0x710 [ 5264.514153][ T74] netlink_sendmsg+0x723/0xbe0 [ 5264.514153][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5264.514153][ T74] ___sys_sendmsg+0xee/0x170 [ 5264.514153][ T74] __sys_sendmsg+0xcd/0x170 [ 5264.514153][ T74] do_syscall_64+0xc6/0x1e0 [ 5264.514153][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5264.514153][ T74] [ 5264.515681][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5264.515681][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5264.515681][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5264.515681][ T74] ipv6_find_idev+0x102/0x170 [ 5264.515681][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5264.515681][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5264.515681][ T74] netlink_rcv_skb+0x130/0x360 [ 5264.515681][ T74] netlink_unicast+0x449/0x710 [ 5264.515681][ T74] netlink_sendmsg+0x723/0xbe0 [ 5264.515681][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5264.515681][ T74] ___sys_sendmsg+0xee/0x170 [ 5264.515681][ T74] __sys_sendmsg+0xcd/0x170 [ 5264.515681][ T74] do_syscall_64+0xc6/0x1e0 [ 5264.515681][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5264.515681][ T74] [ 5264.517363][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5264.517643][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5264.517643][ T74] dst_init+0x84/0x4a0 [ 5264.517643][ T74] dst_alloc+0x97/0x150 [ 5264.517643][ T74] ip6_dst_alloc+0x23/0x90 [ 5264.517643][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5264.517643][ T74] ip6_pol_route+0x56f/0x840 [ 5264.517643][ T74] fib6_rule_lookup+0x456/0x630 [ 5264.517643][ T74] ip6_route_input+0x59c/0xa50 [ 5264.517643][ T74] ipv6_rcv+0x397/0x810 [ 5264.517643][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5264.517643][ T74] process_backlog+0x101/0x620 [ 5264.517643][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5264.517643][ T74] net_rx_action+0x495/0xbe0 [ 5264.517643][ T74] __do_softirq+0x1b5/0x7f6 [ 5264.517643][ T74] [ 5264.519270][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5264.519270][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5264.519270][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5264.519270][ T74] fib6_nh_init+0xa22/0x1580 [ 5264.519270][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5264.519270][ T74] ip6_route_add+0x1c/0x140 [ 5264.519270][ T74] inet6_rtm_newroute+0x104/0x110 [ 5264.519270][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5264.519270][ T74] netlink_rcv_skb+0x130/0x360 [ 5264.519270][ T74] netlink_unicast+0x449/0x710 [ 5264.519270][ T74] netlink_sendmsg+0x723/0xbe0 [ 5264.519270][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5264.519270][ T74] ___sys_sendmsg+0xee/0x170 [ 5264.519270][ T74] __sys_sendmsg+0xcd/0x170 [ 5264.519270][ T74] do_syscall_64+0xc6/0x1e0 [ 5264.519270][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5264.519270][ T74] [ 5264.521135][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5264.521135][ T74] netdev_get_by_index+0x5e/0x80 [ 5264.521135][ T74] fib6_nh_init+0x3d8/0x1580 [ 5264.521135][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5264.521135][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5264.521135][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5264.521135][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5264.521135][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5264.521135][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5264.521135][ T74] addrconf_dad_begin+0x310/0x670 [ 5264.521135][ T74] addrconf_dad_work+0x10b/0xab0 [ 5264.521135][ T74] process_one_work+0x84d/0x18a0 [ 5264.521135][ T74] worker_thread+0x587/0xd30 [ 5264.521135][ T74] kthread+0x28a/0x350 [ 5264.521135][ T74] ret_from_fork+0x31/0x70 [ 5264.521135][ T74] ret_from_fork_asm+0x1a/0x30 [ 5264.521135][ T74] [ 5264.523076][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5264.523076][ T74] netdev_get_by_index+0x5e/0x80 [ 5264.523076][ T74] fib6_nh_init+0x3d8/0x1580 [ 5264.523076][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5264.523076][ T74] ip6_route_add+0x1c/0x140 [ 5264.523076][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5264.523076][ T74] inet6_addr_add+0x4f8/0xa40 [ 5264.523076][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5264.523076][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5264.523076][ T74] netlink_rcv_skb+0x130/0x360 [ 5264.523076][ T74] netlink_unicast+0x449/0x710 [ 5264.523076][ T74] netlink_sendmsg+0x723/0xbe0 [ 5264.523076][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5264.523076][ T74] ___sys_sendmsg+0xee/0x170 [ 5264.523076][ T74] __sys_sendmsg+0xcd/0x170 [ 5264.523076][ T74] do_syscall_64+0xc6/0x1e0 [ 5264.523076][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5264.523076][ T74] [ 5264.525064][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5264.525064][ T74] netdev_get_by_index+0x5e/0x80 [ 5264.525064][ T74] fib6_nh_init+0x3d8/0x1580 [ 5264.525064][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5264.525064][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5264.525064][ T74] ipv6_add_addr+0x411/0x2000 [ 5264.525064][ T74] inet6_addr_add+0x30e/0xa40 [ 5264.525064][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5264.525064][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5264.525064][ T74] netlink_rcv_skb+0x130/0x360 [ 5264.525064][ T74] netlink_unicast+0x449/0x710 [ 5264.525064][ T74] netlink_sendmsg+0x723/0xbe0 [ 5264.525064][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5264.525064][ T74] ___sys_sendmsg+0xee/0x170 [ 5264.525064][ T74] __sys_sendmsg+0xcd/0x170 [ 5264.525064][ T74] do_syscall_64+0xc6/0x1e0 [ 5264.525064][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5264.525064][ T74] [ 5264.527052][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5264.527052][ T74] netdev_get_by_index+0x5e/0x80 [ 5264.527052][ T74] fib6_nh_init+0x3d8/0x1580 [ 5264.527052][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5264.527052][ T74] ip6_route_add+0x1c/0x140 [ 5264.527052][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5264.527052][ T74] addrconf_add_dev+0xe2/0x170 [ 5264.527052][ T74] inet6_addr_add+0x12f/0xa40 [ 5264.527052][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5264.527052][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5264.527052][ T74] netlink_rcv_skb+0x130/0x360 [ 5264.527052][ T74] netlink_unicast+0x449/0x710 [ 5264.527052][ T74] netlink_sendmsg+0x723/0xbe0 [ 5264.527052][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5264.527052][ T74] ___sys_sendmsg+0xee/0x170 [ 5264.527052][ T74] __sys_sendmsg+0xcd/0x170 [ 5264.527052][ T74] do_syscall_64+0xc6/0x1e0 [ 5264.527052][ T74] [ 5264.529006][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5264.529006][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5264.529006][ T74] ipv6_find_idev+0x102/0x170 [ 5264.529006][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5264.529006][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5264.529006][ T74] netlink_rcv_skb+0x130/0x360 [ 5264.529006][ T74] netlink_unicast+0x449/0x710 [ 5264.529006][ T74] netlink_sendmsg+0x723/0xbe0 [ 5264.529006][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5264.529006][ T74] ___sys_sendmsg+0xee/0x170 [ 5264.529006][ T74] __sys_sendmsg+0xcd/0x170 [ 5264.529006][ T74] do_syscall_64+0xc6/0x1e0 [ 5264.529006][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5264.529006][ T74] [ 5264.530661][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5264.530661][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5264.530661][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5264.530661][ T74] ipv6_find_idev+0x102/0x170 [ 5264.530661][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5264.530661][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5264.530661][ T74] netlink_rcv_skb+0x130/0x360 [ 5264.530661][ T74] netlink_unicast+0x449/0x710 [ 5264.530661][ T74] netlink_sendmsg+0x723/0xbe0 [ 5264.530661][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5264.530661][ T74] ___sys_sendmsg+0xee/0x170 [ 5264.530661][ T74] __sys_sendmsg+0xcd/0x170 [ 5264.530661][ T74] do_syscall_64+0xc6/0x1e0 [ 5264.530661][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5264.530661][ T74] [ 5264.532567][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5264.532802][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5264.532802][ T74] netdev_get_by_index+0x5e/0x80 [ 5264.532802][ T74] fib6_nh_init+0x3d8/0x1580 [ 5264.532802][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5264.532802][ T74] ip6_route_add+0x1c/0x140 [ 5264.532802][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5264.532802][ T74] inet6_addr_add+0x4f8/0xa40 [ 5264.532802][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5264.532802][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5264.532802][ T74] netlink_rcv_skb+0x130/0x360 [ 5264.532802][ T74] netlink_unicast+0x449/0x710 [ 5264.532802][ T74] netlink_sendmsg+0x723/0xbe0 [ 5264.532802][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5264.532802][ T74] ___sys_sendmsg+0xee/0x170 [ 5264.532802][ T74] __sys_sendmsg+0xcd/0x170 [ 5264.532802][ T74] do_syscall_64+0xc6/0x1e0 [ 5264.532802][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5264.532802][ T74] [ 5264.535104][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5264.535104][ T74] netdev_get_by_index+0x5e/0x80 [ 5264.535104][ T74] fib6_nh_init+0x3d8/0x1580 [ 5264.535104][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5264.535104][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5264.535104][ T74] ipv6_add_addr+0x411/0x2000 [ 5264.535104][ T74] inet6_addr_add+0x30e/0xa40 [ 5264.535104][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5264.535104][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5264.535104][ T74] netlink_rcv_skb+0x130/0x360 [ 5264.535104][ T74] netlink_unicast+0x449/0x710 [ 5264.535104][ T74] netlink_sendmsg+0x723/0xbe0 [ 5264.535104][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5264.535104][ T74] ___sys_sendmsg+0xee/0x170 [ 5264.535104][ T74] __sys_sendmsg+0xcd/0x170 [ 5264.535104][ T74] do_syscall_64+0xc6/0x1e0 [ 5264.535104][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5264.535104][ T74] [ 5264.537316][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5264.537316][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5264.537316][ T74] ipv6_find_idev+0x102/0x170 [ 5264.537316][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5264.537316][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5264.537316][ T74] netlink_rcv_skb+0x130/0x360 [ 5264.537316][ T74] netlink_unicast+0x449/0x710 [ 5264.537316][ T74] netlink_sendmsg+0x723/0xbe0 [ 5264.537316][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5264.537316][ T74] ___sys_sendmsg+0xee/0x170 [ 5264.537316][ T74] __sys_sendmsg+0xcd/0x170 [ 5264.537316][ T74] do_syscall_64+0xc6/0x1e0 [ 5264.537316][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5264.537316][ T74] [ 5264.538899][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5264.538899][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5264.538899][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5264.538899][ T74] ipv6_find_idev+0x102/0x170 [ 5264.538899][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5264.538899][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5264.538899][ T74] netlink_rcv_skb+0x130/0x360 [ 5264.538899][ T74] netlink_unicast+0x449/0x710 [ 5264.538899][ T74] netlink_sendmsg+0x723/0xbe0 [ 5264.538899][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5264.538899][ T74] ___sys_sendmsg+0xee/0x170 [ 5264.538899][ T74] __sys_sendmsg+0xcd/0x170 [ 5264.538899][ T74] do_syscall_64+0xc6/0x1e0 [ 5264.538899][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5264.538899][ T74] [ 5274.607953][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5274.608379][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5274.608379][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5274.608379][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5274.608379][ T74] fib6_nh_init+0xa22/0x1580 [ 5274.608379][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5274.608379][ T74] ip6_route_add+0x1c/0x140 [ 5274.608379][ T74] inet6_rtm_newroute+0x104/0x110 [ 5274.608379][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5274.608379][ T74] netlink_rcv_skb+0x130/0x360 [ 5274.608379][ T74] netlink_unicast+0x449/0x710 [ 5274.608379][ T74] netlink_sendmsg+0x723/0xbe0 [ 5274.608379][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5274.608379][ T74] ___sys_sendmsg+0xee/0x170 [ 5274.608379][ T74] __sys_sendmsg+0xcd/0x170 [ 5274.608379][ T74] do_syscall_64+0xc6/0x1e0 [ 5274.608379][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5274.608379][ T74] [ 5274.610274][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5274.610274][ T74] netdev_get_by_index+0x5e/0x80 [ 5274.610274][ T74] fib6_nh_init+0x3d8/0x1580 [ 5274.610274][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5274.610274][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5274.610274][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5274.610274][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5274.610274][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5274.610274][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5274.610274][ T74] addrconf_dad_begin+0x310/0x670 [ 5274.610274][ T74] addrconf_dad_work+0x10b/0xab0 [ 5274.610274][ T74] process_one_work+0x84d/0x18a0 [ 5274.610274][ T74] worker_thread+0x587/0xd30 [ 5274.610274][ T74] kthread+0x28a/0x350 [ 5274.610274][ T74] ret_from_fork+0x31/0x70 [ 5274.610274][ T74] ret_from_fork_asm+0x1a/0x30 [ 5274.610274][ T74] [ 5274.612188][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5274.612188][ T74] netdev_get_by_index+0x5e/0x80 [ 5274.612188][ T74] fib6_nh_init+0x3d8/0x1580 [ 5274.612188][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5274.612188][ T74] ip6_route_add+0x1c/0x140 [ 5274.612188][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5274.612188][ T74] inet6_addr_add+0x4f8/0xa40 [ 5274.612188][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5274.612188][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5274.612188][ T74] netlink_rcv_skb+0x130/0x360 [ 5274.612188][ T74] netlink_unicast+0x449/0x710 [ 5274.612188][ T74] netlink_sendmsg+0x723/0xbe0 [ 5274.612188][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5274.612188][ T74] ___sys_sendmsg+0xee/0x170 [ 5274.612188][ T74] __sys_sendmsg+0xcd/0x170 [ 5274.612188][ T74] do_syscall_64+0xc6/0x1e0 [ 5274.612188][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5274.612188][ T74] [ 5274.614190][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5274.614190][ T74] netdev_get_by_index+0x5e/0x80 [ 5274.614190][ T74] fib6_nh_init+0x3d8/0x1580 [ 5274.614190][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5274.614190][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5274.614190][ T74] ipv6_add_addr+0x411/0x2000 [ 5274.614190][ T74] inet6_addr_add+0x30e/0xa40 [ 5274.614190][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5274.614190][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5274.614190][ T74] netlink_rcv_skb+0x130/0x360 [ 5274.614190][ T74] netlink_unicast+0x449/0x710 [ 5274.614190][ T74] netlink_sendmsg+0x723/0xbe0 [ 5274.614190][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5274.614190][ T74] ___sys_sendmsg+0xee/0x170 [ 5274.614190][ T74] __sys_sendmsg+0xcd/0x170 [ 5274.614190][ T74] do_syscall_64+0xc6/0x1e0 [ 5274.614190][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5274.614190][ T74] [ 5274.616178][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5274.616178][ T74] netdev_get_by_index+0x5e/0x80 [ 5274.616178][ T74] fib6_nh_init+0x3d8/0x1580 [ 5274.616178][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5274.616178][ T74] ip6_route_add+0x1c/0x140 [ 5274.616178][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5274.616178][ T74] addrconf_add_dev+0xe2/0x170 [ 5274.616178][ T74] inet6_addr_add+0x12f/0xa40 [ 5274.616178][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5274.616178][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5274.616178][ T74] netlink_rcv_skb+0x130/0x360 [ 5274.616178][ T74] netlink_unicast+0x449/0x710 [ 5274.616178][ T74] netlink_sendmsg+0x723/0xbe0 [ 5274.616178][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5274.616178][ T74] ___sys_sendmsg+0xee/0x170 [ 5274.616178][ T74] __sys_sendmsg+0xcd/0x170 [ 5274.616178][ T74] do_syscall_64+0xc6/0x1e0 [ 5274.616178][ T74] [ 5274.618125][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5274.618125][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5274.618125][ T74] ipv6_find_idev+0x102/0x170 [ 5274.618125][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5274.618125][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5274.618125][ T74] netlink_rcv_skb+0x130/0x360 [ 5274.618125][ T74] netlink_unicast+0x449/0x710 [ 5274.618125][ T74] netlink_sendmsg+0x723/0xbe0 [ 5274.618125][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5274.618125][ T74] ___sys_sendmsg+0xee/0x170 [ 5274.618125][ T74] __sys_sendmsg+0xcd/0x170 [ 5274.618125][ T74] do_syscall_64+0xc6/0x1e0 [ 5274.618125][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5274.618125][ T74] [ 5274.619685][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5274.619685][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5274.619685][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5274.619685][ T74] ipv6_find_idev+0x102/0x170 [ 5274.619685][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5274.619685][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5274.619685][ T74] netlink_rcv_skb+0x130/0x360 [ 5274.619685][ T74] netlink_unicast+0x449/0x710 [ 5274.619685][ T74] netlink_sendmsg+0x723/0xbe0 [ 5274.619685][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5274.619685][ T74] ___sys_sendmsg+0xee/0x170 [ 5274.619685][ T74] __sys_sendmsg+0xcd/0x170 [ 5274.619685][ T74] do_syscall_64+0xc6/0x1e0 [ 5274.619685][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5274.619685][ T74] [ 5274.621369][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5274.621639][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5274.621639][ T74] dst_init+0x84/0x4a0 [ 5274.621639][ T74] dst_alloc+0x97/0x150 [ 5274.621639][ T74] ip6_dst_alloc+0x23/0x90 [ 5274.621639][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5274.621639][ T74] ip6_pol_route+0x56f/0x840 [ 5274.621639][ T74] fib6_rule_lookup+0x456/0x630 [ 5274.621639][ T74] ip6_route_input+0x59c/0xa50 [ 5274.621639][ T74] ipv6_rcv+0x397/0x810 [ 5274.621639][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5274.621639][ T74] process_backlog+0x101/0x620 [ 5274.621639][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5274.621639][ T74] net_rx_action+0x495/0xbe0 [ 5274.621639][ T74] __do_softirq+0x1b5/0x7f6 [ 5274.621639][ T74] [ 5274.623272][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5274.623272][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5274.623272][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5274.623272][ T74] fib6_nh_init+0xa22/0x1580 [ 5274.623272][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5274.623272][ T74] ip6_route_add+0x1c/0x140 [ 5274.623272][ T74] inet6_rtm_newroute+0x104/0x110 [ 5274.623272][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5274.623272][ T74] netlink_rcv_skb+0x130/0x360 [ 5274.623272][ T74] netlink_unicast+0x449/0x710 [ 5274.623272][ T74] netlink_sendmsg+0x723/0xbe0 [ 5274.623272][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5274.623272][ T74] ___sys_sendmsg+0xee/0x170 [ 5274.623272][ T74] __sys_sendmsg+0xcd/0x170 [ 5274.623272][ T74] do_syscall_64+0xc6/0x1e0 [ 5274.623272][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5274.623272][ T74] [ 5274.625138][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5274.625138][ T74] netdev_get_by_index+0x5e/0x80 [ 5274.625138][ T74] fib6_nh_init+0x3d8/0x1580 [ 5274.625138][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5274.625138][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5274.625138][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5274.625138][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5274.625138][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5274.625138][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5274.625138][ T74] addrconf_dad_begin+0x310/0x670 [ 5274.625138][ T74] addrconf_dad_work+0x10b/0xab0 [ 5274.625138][ T74] process_one_work+0x84d/0x18a0 [ 5274.625138][ T74] worker_thread+0x587/0xd30 [ 5274.625138][ T74] kthread+0x28a/0x350 [ 5274.625138][ T74] ret_from_fork+0x31/0x70 [ 5274.625138][ T74] ret_from_fork_asm+0x1a/0x30 [ 5274.625138][ T74] [ 5274.627065][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5274.627065][ T74] netdev_get_by_index+0x5e/0x80 [ 5274.627065][ T74] fib6_nh_init+0x3d8/0x1580 [ 5274.627065][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5274.627065][ T74] ip6_route_add+0x1c/0x140 [ 5274.627065][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5274.627065][ T74] inet6_addr_add+0x4f8/0xa40 [ 5274.627065][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5274.627065][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5274.627065][ T74] netlink_rcv_skb+0x130/0x360 [ 5274.627065][ T74] netlink_unicast+0x449/0x710 [ 5274.627065][ T74] netlink_sendmsg+0x723/0xbe0 [ 5274.627065][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5274.627065][ T74] ___sys_sendmsg+0xee/0x170 [ 5274.627065][ T74] __sys_sendmsg+0xcd/0x170 [ 5274.627065][ T74] do_syscall_64+0xc6/0x1e0 [ 5274.627065][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5274.627065][ T74] [ 5274.629059][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5274.629059][ T74] netdev_get_by_index+0x5e/0x80 [ 5274.629059][ T74] fib6_nh_init+0x3d8/0x1580 [ 5274.629059][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5274.629059][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5274.629059][ T74] ipv6_add_addr+0x411/0x2000 [ 5274.629059][ T74] inet6_addr_add+0x30e/0xa40 [ 5274.629059][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5274.629059][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5274.629059][ T74] netlink_rcv_skb+0x130/0x360 [ 5274.629059][ T74] netlink_unicast+0x449/0x710 [ 5274.629059][ T74] netlink_sendmsg+0x723/0xbe0 [ 5274.629059][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5274.629059][ T74] ___sys_sendmsg+0xee/0x170 [ 5274.629059][ T74] __sys_sendmsg+0xcd/0x170 [ 5274.629059][ T74] do_syscall_64+0xc6/0x1e0 [ 5274.629059][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5274.629059][ T74] [ 5274.631053][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5274.631053][ T74] netdev_get_by_index+0x5e/0x80 [ 5274.631053][ T74] fib6_nh_init+0x3d8/0x1580 [ 5274.631053][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5274.631053][ T74] ip6_route_add+0x1c/0x140 [ 5274.631053][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5274.631053][ T74] addrconf_add_dev+0xe2/0x170 [ 5274.631053][ T74] inet6_addr_add+0x12f/0xa40 [ 5274.631053][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5274.631053][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5274.631053][ T74] netlink_rcv_skb+0x130/0x360 [ 5274.631053][ T74] netlink_unicast+0x449/0x710 [ 5274.631053][ T74] netlink_sendmsg+0x723/0xbe0 [ 5274.631053][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5274.631053][ T74] ___sys_sendmsg+0xee/0x170 [ 5274.631053][ T74] __sys_sendmsg+0xcd/0x170 [ 5274.631053][ T74] do_syscall_64+0xc6/0x1e0 [ 5274.631053][ T74] [ 5274.633114][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5274.633114][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5274.633114][ T74] ipv6_find_idev+0x102/0x170 [ 5274.633114][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5274.633114][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5274.633114][ T74] netlink_rcv_skb+0x130/0x360 [ 5274.633114][ T74] netlink_unicast+0x449/0x710 [ 5274.633114][ T74] netlink_sendmsg+0x723/0xbe0 [ 5274.633114][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5274.633114][ T74] ___sys_sendmsg+0xee/0x170 [ 5274.633114][ T74] __sys_sendmsg+0xcd/0x170 [ 5274.633114][ T74] do_syscall_64+0xc6/0x1e0 [ 5274.633114][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5274.633114][ T74] [ 5274.634771][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5274.634771][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5274.634771][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5274.634771][ T74] ipv6_find_idev+0x102/0x170 [ 5274.634771][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5274.634771][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5274.634771][ T74] netlink_rcv_skb+0x130/0x360 [ 5274.634771][ T74] netlink_unicast+0x449/0x710 [ 5274.634771][ T74] netlink_sendmsg+0x723/0xbe0 [ 5274.634771][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5274.634771][ T74] ___sys_sendmsg+0xee/0x170 [ 5274.634771][ T74] __sys_sendmsg+0xcd/0x170 [ 5274.634771][ T74] do_syscall_64+0xc6/0x1e0 [ 5274.634771][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5274.634771][ T74] [ 5274.636665][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5274.636926][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5274.636926][ T74] netdev_get_by_index+0x5e/0x80 [ 5274.636926][ T74] fib6_nh_init+0x3d8/0x1580 [ 5274.636926][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5274.636926][ T74] ip6_route_add+0x1c/0x140 [ 5274.636926][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5274.636926][ T74] inet6_addr_add+0x4f8/0xa40 [ 5274.636926][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5274.636926][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5274.636926][ T74] netlink_rcv_skb+0x130/0x360 [ 5274.636926][ T74] netlink_unicast+0x449/0x710 [ 5274.636926][ T74] netlink_sendmsg+0x723/0xbe0 [ 5274.636926][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5274.636926][ T74] ___sys_sendmsg+0xee/0x170 [ 5274.636926][ T74] __sys_sendmsg+0xcd/0x170 [ 5274.636926][ T74] do_syscall_64+0xc6/0x1e0 [ 5274.636926][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5274.636926][ T74] [ 5274.639149][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5274.639149][ T74] netdev_get_by_index+0x5e/0x80 [ 5274.639149][ T74] fib6_nh_init+0x3d8/0x1580 [ 5274.639149][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5274.639149][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5274.639149][ T74] ipv6_add_addr+0x411/0x2000 [ 5274.639149][ T74] inet6_addr_add+0x30e/0xa40 [ 5274.639149][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5274.639149][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5274.639149][ T74] netlink_rcv_skb+0x130/0x360 [ 5274.639149][ T74] netlink_unicast+0x449/0x710 [ 5274.639149][ T74] netlink_sendmsg+0x723/0xbe0 [ 5274.639149][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5274.639149][ T74] ___sys_sendmsg+0xee/0x170 [ 5274.639149][ T74] __sys_sendmsg+0xcd/0x170 [ 5274.639149][ T74] do_syscall_64+0xc6/0x1e0 [ 5274.639149][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5274.639149][ T74] [ 5274.641373][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5274.641373][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5274.641373][ T74] ipv6_find_idev+0x102/0x170 [ 5274.641373][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5274.641373][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5274.641373][ T74] netlink_rcv_skb+0x130/0x360 [ 5274.641373][ T74] netlink_unicast+0x449/0x710 [ 5274.641373][ T74] netlink_sendmsg+0x723/0xbe0 [ 5274.641373][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5274.641373][ T74] ___sys_sendmsg+0xee/0x170 [ 5274.641373][ T74] __sys_sendmsg+0xcd/0x170 [ 5274.641373][ T74] do_syscall_64+0xc6/0x1e0 [ 5274.641373][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5274.641373][ T74] [ 5274.642970][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5274.642970][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5274.642970][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5274.642970][ T74] ipv6_find_idev+0x102/0x170 [ 5274.642970][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5274.642970][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5274.642970][ T74] netlink_rcv_skb+0x130/0x360 [ 5274.642970][ T74] netlink_unicast+0x449/0x710 [ 5274.642970][ T74] netlink_sendmsg+0x723/0xbe0 [ 5274.642970][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5274.642970][ T74] ___sys_sendmsg+0xee/0x170 [ 5274.642970][ T74] __sys_sendmsg+0xcd/0x170 [ 5274.642970][ T74] do_syscall_64+0xc6/0x1e0 [ 5274.642970][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5274.642970][ T74] [ 5284.887958][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5284.888380][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5284.888380][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5284.888380][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5284.888380][ T74] fib6_nh_init+0xa22/0x1580 [ 5284.888380][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5284.888380][ T74] ip6_route_add+0x1c/0x140 [ 5284.888380][ T74] inet6_rtm_newroute+0x104/0x110 [ 5284.888380][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5284.888380][ T74] netlink_rcv_skb+0x130/0x360 [ 5284.888380][ T74] netlink_unicast+0x449/0x710 [ 5284.888380][ T74] netlink_sendmsg+0x723/0xbe0 [ 5284.888380][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5284.888380][ T74] ___sys_sendmsg+0xee/0x170 [ 5284.888380][ T74] __sys_sendmsg+0xcd/0x170 [ 5284.888380][ T74] do_syscall_64+0xc6/0x1e0 [ 5284.888380][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5284.888380][ T74] [ 5284.890279][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5284.890279][ T74] netdev_get_by_index+0x5e/0x80 [ 5284.890279][ T74] fib6_nh_init+0x3d8/0x1580 [ 5284.890279][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5284.890279][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5284.890279][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5284.890279][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5284.890279][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5284.890279][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5284.890279][ T74] addrconf_dad_begin+0x310/0x670 [ 5284.890279][ T74] addrconf_dad_work+0x10b/0xab0 [ 5284.890279][ T74] process_one_work+0x84d/0x18a0 [ 5284.890279][ T74] worker_thread+0x587/0xd30 [ 5284.890279][ T74] kthread+0x28a/0x350 [ 5284.890279][ T74] ret_from_fork+0x31/0x70 [ 5284.890279][ T74] ret_from_fork_asm+0x1a/0x30 [ 5284.890279][ T74] [ 5284.892202][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5284.892202][ T74] netdev_get_by_index+0x5e/0x80 [ 5284.892202][ T74] fib6_nh_init+0x3d8/0x1580 [ 5284.892202][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5284.892202][ T74] ip6_route_add+0x1c/0x140 [ 5284.892202][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5284.892202][ T74] inet6_addr_add+0x4f8/0xa40 [ 5284.892202][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5284.892202][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5284.892202][ T74] netlink_rcv_skb+0x130/0x360 [ 5284.892202][ T74] netlink_unicast+0x449/0x710 [ 5284.892202][ T74] netlink_sendmsg+0x723/0xbe0 [ 5284.892202][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5284.892202][ T74] ___sys_sendmsg+0xee/0x170 [ 5284.892202][ T74] __sys_sendmsg+0xcd/0x170 [ 5284.892202][ T74] do_syscall_64+0xc6/0x1e0 [ 5284.892202][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5284.892202][ T74] [ 5284.894214][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5284.894214][ T74] netdev_get_by_index+0x5e/0x80 [ 5284.894214][ T74] fib6_nh_init+0x3d8/0x1580 [ 5284.894214][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5284.894214][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5284.894214][ T74] ipv6_add_addr+0x411/0x2000 [ 5284.894214][ T74] inet6_addr_add+0x30e/0xa40 [ 5284.894214][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5284.894214][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5284.894214][ T74] netlink_rcv_skb+0x130/0x360 [ 5284.894214][ T74] netlink_unicast+0x449/0x710 [ 5284.894214][ T74] netlink_sendmsg+0x723/0xbe0 [ 5284.894214][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5284.894214][ T74] ___sys_sendmsg+0xee/0x170 [ 5284.894214][ T74] __sys_sendmsg+0xcd/0x170 [ 5284.894214][ T74] do_syscall_64+0xc6/0x1e0 [ 5284.894214][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5284.894214][ T74] [ 5284.896215][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5284.896215][ T74] netdev_get_by_index+0x5e/0x80 [ 5284.896215][ T74] fib6_nh_init+0x3d8/0x1580 [ 5284.896215][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5284.896215][ T74] ip6_route_add+0x1c/0x140 [ 5284.896215][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5284.896215][ T74] addrconf_add_dev+0xe2/0x170 [ 5284.896215][ T74] inet6_addr_add+0x12f/0xa40 [ 5284.896215][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5284.896215][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5284.896215][ T74] netlink_rcv_skb+0x130/0x360 [ 5284.896215][ T74] netlink_unicast+0x449/0x710 [ 5284.896215][ T74] netlink_sendmsg+0x723/0xbe0 [ 5284.896215][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5284.896215][ T74] ___sys_sendmsg+0xee/0x170 [ 5284.896215][ T74] __sys_sendmsg+0xcd/0x170 [ 5284.896215][ T74] do_syscall_64+0xc6/0x1e0 [ 5284.896215][ T74] [ 5284.898164][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5284.898164][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5284.898164][ T74] ipv6_find_idev+0x102/0x170 [ 5284.898164][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5284.898164][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5284.898164][ T74] netlink_rcv_skb+0x130/0x360 [ 5284.898164][ T74] netlink_unicast+0x449/0x710 [ 5284.898164][ T74] netlink_sendmsg+0x723/0xbe0 [ 5284.898164][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5284.898164][ T74] ___sys_sendmsg+0xee/0x170 [ 5284.898164][ T74] __sys_sendmsg+0xcd/0x170 [ 5284.898164][ T74] do_syscall_64+0xc6/0x1e0 [ 5284.898164][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5284.898164][ T74] [ 5284.899691][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5284.899691][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5284.899691][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5284.899691][ T74] ipv6_find_idev+0x102/0x170 [ 5284.899691][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5284.899691][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5284.899691][ T74] netlink_rcv_skb+0x130/0x360 [ 5284.899691][ T74] netlink_unicast+0x449/0x710 [ 5284.899691][ T74] netlink_sendmsg+0x723/0xbe0 [ 5284.899691][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5284.899691][ T74] ___sys_sendmsg+0xee/0x170 [ 5284.899691][ T74] __sys_sendmsg+0xcd/0x170 [ 5284.899691][ T74] do_syscall_64+0xc6/0x1e0 [ 5284.899691][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5284.899691][ T74] [ 5284.901371][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5284.901646][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5284.901646][ T74] dst_init+0x84/0x4a0 [ 5284.901646][ T74] dst_alloc+0x97/0x150 [ 5284.901646][ T74] ip6_dst_alloc+0x23/0x90 [ 5284.901646][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5284.901646][ T74] ip6_pol_route+0x56f/0x840 [ 5284.901646][ T74] fib6_rule_lookup+0x456/0x630 [ 5284.901646][ T74] ip6_route_input+0x59c/0xa50 [ 5284.901646][ T74] ipv6_rcv+0x397/0x810 [ 5284.901646][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5284.901646][ T74] process_backlog+0x101/0x620 [ 5284.901646][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5284.901646][ T74] net_rx_action+0x495/0xbe0 [ 5284.901646][ T74] __do_softirq+0x1b5/0x7f6 [ 5284.901646][ T74] [ 5284.903274][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5284.903274][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5284.903274][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5284.903274][ T74] fib6_nh_init+0xa22/0x1580 [ 5284.903274][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5284.903274][ T74] ip6_route_add+0x1c/0x140 [ 5284.903274][ T74] inet6_rtm_newroute+0x104/0x110 [ 5284.903274][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5284.903274][ T74] netlink_rcv_skb+0x130/0x360 [ 5284.903274][ T74] netlink_unicast+0x449/0x710 [ 5284.903274][ T74] netlink_sendmsg+0x723/0xbe0 [ 5284.903274][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5284.903274][ T74] ___sys_sendmsg+0xee/0x170 [ 5284.903274][ T74] __sys_sendmsg+0xcd/0x170 [ 5284.903274][ T74] do_syscall_64+0xc6/0x1e0 [ 5284.903274][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5284.903274][ T74] [ 5284.905140][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5284.905140][ T74] netdev_get_by_index+0x5e/0x80 [ 5284.905140][ T74] fib6_nh_init+0x3d8/0x1580 [ 5284.905140][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5284.905140][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5284.905140][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5284.905140][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5284.905140][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5284.905140][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5284.905140][ T74] addrconf_dad_begin+0x310/0x670 [ 5284.905140][ T74] addrconf_dad_work+0x10b/0xab0 [ 5284.905140][ T74] process_one_work+0x84d/0x18a0 [ 5284.905140][ T74] worker_thread+0x587/0xd30 [ 5284.905140][ T74] kthread+0x28a/0x350 [ 5284.905140][ T74] ret_from_fork+0x31/0x70 [ 5284.905140][ T74] ret_from_fork_asm+0x1a/0x30 [ 5284.905140][ T74] [ 5284.907026][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5284.907026][ T74] netdev_get_by_index+0x5e/0x80 [ 5284.907026][ T74] fib6_nh_init+0x3d8/0x1580 [ 5284.907026][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5284.907026][ T74] ip6_route_add+0x1c/0x140 [ 5284.907026][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5284.907026][ T74] inet6_addr_add+0x4f8/0xa40 [ 5284.907026][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5284.907026][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5284.907026][ T74] netlink_rcv_skb+0x130/0x360 [ 5284.907026][ T74] netlink_unicast+0x449/0x710 [ 5284.907026][ T74] netlink_sendmsg+0x723/0xbe0 [ 5284.907026][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5284.907026][ T74] ___sys_sendmsg+0xee/0x170 [ 5284.907026][ T74] __sys_sendmsg+0xcd/0x170 [ 5284.907026][ T74] do_syscall_64+0xc6/0x1e0 [ 5284.907026][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5284.907026][ T74] [ 5284.909814][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5284.909814][ T74] netdev_get_by_index+0x5e/0x80 [ 5284.909814][ T74] fib6_nh_init+0x3d8/0x1580 [ 5284.909814][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5284.909814][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5284.909814][ T74] ipv6_add_addr+0x411/0x2000 [ 5284.909814][ T74] inet6_addr_add+0x30e/0xa40 [ 5284.909814][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5284.909814][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5284.909814][ T74] netlink_rcv_skb+0x130/0x360 [ 5284.909814][ T74] netlink_unicast+0x449/0x710 [ 5284.909814][ T74] netlink_sendmsg+0x723/0xbe0 [ 5284.909814][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5284.909814][ T74] ___sys_sendmsg+0xee/0x170 [ 5284.909814][ T74] __sys_sendmsg+0xcd/0x170 [ 5284.909814][ T74] do_syscall_64+0xc6/0x1e0 [ 5284.909814][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5284.909814][ T74] [ 5284.913013][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5284.913013][ T74] netdev_get_by_index+0x5e/0x80 [ 5284.913013][ T74] fib6_nh_init+0x3d8/0x1580 [ 5284.913013][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5284.913013][ T74] ip6_route_add+0x1c/0x140 [ 5284.913013][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5284.913013][ T74] addrconf_add_dev+0xe2/0x170 [ 5284.913013][ T74] inet6_addr_add+0x12f/0xa40 [ 5284.913013][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5284.913013][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5284.913013][ T74] netlink_rcv_skb+0x130/0x360 [ 5284.913013][ T74] netlink_unicast+0x449/0x710 [ 5284.913013][ T74] netlink_sendmsg+0x723/0xbe0 [ 5284.913013][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5284.913013][ T74] ___sys_sendmsg+0xee/0x170 [ 5284.913013][ T74] __sys_sendmsg+0xcd/0x170 [ 5284.913013][ T74] do_syscall_64+0xc6/0x1e0 [ 5284.913013][ T74] [ 5284.916153][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5284.916153][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5284.916153][ T74] ipv6_find_idev+0x102/0x170 [ 5284.916153][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5284.916153][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5284.916153][ T74] netlink_rcv_skb+0x130/0x360 [ 5284.916153][ T74] netlink_unicast+0x449/0x710 [ 5284.916153][ T74] netlink_sendmsg+0x723/0xbe0 [ 5284.916153][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5284.916153][ T74] ___sys_sendmsg+0xee/0x170 [ 5284.916153][ T74] __sys_sendmsg+0xcd/0x170 [ 5284.916153][ T74] do_syscall_64+0xc6/0x1e0 [ 5284.916153][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5284.916153][ T74] [ 5284.918714][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5284.918714][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5284.918714][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5284.918714][ T74] ipv6_find_idev+0x102/0x170 [ 5284.918714][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5284.918714][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5284.918714][ T74] netlink_rcv_skb+0x130/0x360 [ 5284.918714][ T74] netlink_unicast+0x449/0x710 [ 5284.918714][ T74] netlink_sendmsg+0x723/0xbe0 [ 5284.918714][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5284.918714][ T74] ___sys_sendmsg+0xee/0x170 [ 5284.918714][ T74] __sys_sendmsg+0xcd/0x170 [ 5284.918714][ T74] do_syscall_64+0xc6/0x1e0 [ 5284.918714][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5284.918714][ T74] [ 5284.921952][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5284.922333][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5284.922333][ T74] netdev_get_by_index+0x5e/0x80 [ 5284.922333][ T74] fib6_nh_init+0x3d8/0x1580 [ 5284.922333][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5284.922333][ T74] ip6_route_add+0x1c/0x140 [ 5284.922333][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5284.922333][ T74] inet6_addr_add+0x4f8/0xa40 [ 5284.922333][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5284.922333][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5284.922333][ T74] netlink_rcv_skb+0x130/0x360 [ 5284.922333][ T74] netlink_unicast+0x449/0x710 [ 5284.922333][ T74] netlink_sendmsg+0x723/0xbe0 [ 5284.922333][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5284.922333][ T74] ___sys_sendmsg+0xee/0x170 [ 5284.922333][ T74] __sys_sendmsg+0xcd/0x170 [ 5284.922333][ T74] do_syscall_64+0xc6/0x1e0 [ 5284.922333][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5284.922333][ T74] [ 5284.925988][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5284.925988][ T74] netdev_get_by_index+0x5e/0x80 [ 5284.925988][ T74] fib6_nh_init+0x3d8/0x1580 [ 5284.925988][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5284.925988][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5284.925988][ T74] ipv6_add_addr+0x411/0x2000 [ 5284.925988][ T74] inet6_addr_add+0x30e/0xa40 [ 5284.925988][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5284.925988][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5284.925988][ T74] netlink_rcv_skb+0x130/0x360 [ 5284.925988][ T74] netlink_unicast+0x449/0x710 [ 5284.925988][ T74] netlink_sendmsg+0x723/0xbe0 [ 5284.925988][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5284.925988][ T74] ___sys_sendmsg+0xee/0x170 [ 5284.925988][ T74] __sys_sendmsg+0xcd/0x170 [ 5284.925988][ T74] do_syscall_64+0xc6/0x1e0 [ 5284.925988][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5284.925988][ T74] [ 5284.929566][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5284.929566][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5284.929566][ T74] ipv6_find_idev+0x102/0x170 [ 5284.929566][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5284.929566][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5284.929566][ T74] netlink_rcv_skb+0x130/0x360 [ 5284.929566][ T74] netlink_unicast+0x449/0x710 [ 5284.929566][ T74] netlink_sendmsg+0x723/0xbe0 [ 5284.929566][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5284.929566][ T74] ___sys_sendmsg+0xee/0x170 [ 5284.929566][ T74] __sys_sendmsg+0xcd/0x170 [ 5284.929566][ T74] do_syscall_64+0xc6/0x1e0 [ 5284.929566][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5284.929566][ T74] [ 5284.932140][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5284.932140][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5284.932140][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5284.932140][ T74] ipv6_find_idev+0x102/0x170 [ 5284.932140][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5284.932140][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5284.932140][ T74] netlink_rcv_skb+0x130/0x360 [ 5284.932140][ T74] netlink_unicast+0x449/0x710 [ 5284.932140][ T74] netlink_sendmsg+0x723/0xbe0 [ 5284.932140][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5284.932140][ T74] ___sys_sendmsg+0xee/0x170 [ 5284.932140][ T74] __sys_sendmsg+0xcd/0x170 [ 5284.932140][ T74] do_syscall_64+0xc6/0x1e0 [ 5284.932140][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5284.932140][ T74] [ 5295.175900][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5295.176476][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5295.176476][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5295.176476][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5295.176476][ T74] fib6_nh_init+0xa22/0x1580 [ 5295.176476][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5295.176476][ T74] ip6_route_add+0x1c/0x140 [ 5295.176476][ T74] inet6_rtm_newroute+0x104/0x110 [ 5295.176476][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5295.176476][ T74] netlink_rcv_skb+0x130/0x360 [ 5295.176476][ T74] netlink_unicast+0x449/0x710 [ 5295.176476][ T74] netlink_sendmsg+0x723/0xbe0 [ 5295.176476][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5295.176476][ T74] ___sys_sendmsg+0xee/0x170 [ 5295.176476][ T74] __sys_sendmsg+0xcd/0x170 [ 5295.176476][ T74] do_syscall_64+0xc6/0x1e0 [ 5295.176476][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5295.176476][ T74] [ 5295.179531][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5295.179531][ T74] netdev_get_by_index+0x5e/0x80 [ 5295.179531][ T74] fib6_nh_init+0x3d8/0x1580 [ 5295.179531][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5295.179531][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5295.179531][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5295.179531][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5295.179531][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5295.179531][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5295.179531][ T74] addrconf_dad_begin+0x310/0x670 [ 5295.179531][ T74] addrconf_dad_work+0x10b/0xab0 [ 5295.179531][ T74] process_one_work+0x84d/0x18a0 [ 5295.179531][ T74] worker_thread+0x587/0xd30 [ 5295.179531][ T74] kthread+0x28a/0x350 [ 5295.179531][ T74] ret_from_fork+0x31/0x70 [ 5295.179531][ T74] ret_from_fork_asm+0x1a/0x30 [ 5295.179531][ T74] [ 5295.182585][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5295.182585][ T74] netdev_get_by_index+0x5e/0x80 [ 5295.182585][ T74] fib6_nh_init+0x3d8/0x1580 [ 5295.182585][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5295.182585][ T74] ip6_route_add+0x1c/0x140 [ 5295.182585][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5295.182585][ T74] inet6_addr_add+0x4f8/0xa40 [ 5295.182585][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5295.182585][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5295.182585][ T74] netlink_rcv_skb+0x130/0x360 [ 5295.182585][ T74] netlink_unicast+0x449/0x710 [ 5295.182585][ T74] netlink_sendmsg+0x723/0xbe0 [ 5295.182585][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5295.182585][ T74] ___sys_sendmsg+0xee/0x170 [ 5295.182585][ T74] __sys_sendmsg+0xcd/0x170 [ 5295.182585][ T74] do_syscall_64+0xc6/0x1e0 [ 5295.182585][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5295.182585][ T74] [ 5295.185803][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5295.185803][ T74] netdev_get_by_index+0x5e/0x80 [ 5295.185803][ T74] fib6_nh_init+0x3d8/0x1580 [ 5295.185803][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5295.185803][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5295.185803][ T74] ipv6_add_addr+0x411/0x2000 [ 5295.185803][ T74] inet6_addr_add+0x30e/0xa40 [ 5295.185803][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5295.185803][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5295.185803][ T74] netlink_rcv_skb+0x130/0x360 [ 5295.185803][ T74] netlink_unicast+0x449/0x710 [ 5295.185803][ T74] netlink_sendmsg+0x723/0xbe0 [ 5295.185803][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5295.185803][ T74] ___sys_sendmsg+0xee/0x170 [ 5295.185803][ T74] __sys_sendmsg+0xcd/0x170 [ 5295.185803][ T74] do_syscall_64+0xc6/0x1e0 [ 5295.185803][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5295.185803][ T74] [ 5295.189006][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5295.189006][ T74] netdev_get_by_index+0x5e/0x80 [ 5295.189006][ T74] fib6_nh_init+0x3d8/0x1580 [ 5295.189006][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5295.189006][ T74] ip6_route_add+0x1c/0x140 [ 5295.189006][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5295.189006][ T74] addrconf_add_dev+0xe2/0x170 [ 5295.189006][ T74] inet6_addr_add+0x12f/0xa40 [ 5295.189006][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5295.189006][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5295.189006][ T74] netlink_rcv_skb+0x130/0x360 [ 5295.189006][ T74] netlink_unicast+0x449/0x710 [ 5295.189006][ T74] netlink_sendmsg+0x723/0xbe0 [ 5295.189006][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5295.189006][ T74] ___sys_sendmsg+0xee/0x170 [ 5295.189006][ T74] __sys_sendmsg+0xcd/0x170 [ 5295.189006][ T74] do_syscall_64+0xc6/0x1e0 [ 5295.189006][ T74] [ 5295.192163][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5295.192163][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5295.192163][ T74] ipv6_find_idev+0x102/0x170 [ 5295.192163][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5295.192163][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5295.192163][ T74] netlink_rcv_skb+0x130/0x360 [ 5295.192163][ T74] netlink_unicast+0x449/0x710 [ 5295.192163][ T74] netlink_sendmsg+0x723/0xbe0 [ 5295.192163][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5295.192163][ T74] ___sys_sendmsg+0xee/0x170 [ 5295.192163][ T74] __sys_sendmsg+0xcd/0x170 [ 5295.192163][ T74] do_syscall_64+0xc6/0x1e0 [ 5295.192163][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5295.192163][ T74] [ 5295.194644][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5295.194644][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5295.194644][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5295.194644][ T74] ipv6_find_idev+0x102/0x170 [ 5295.194644][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5295.194644][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5295.194644][ T74] netlink_rcv_skb+0x130/0x360 [ 5295.194644][ T74] netlink_unicast+0x449/0x710 [ 5295.194644][ T74] netlink_sendmsg+0x723/0xbe0 [ 5295.194644][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5295.194644][ T74] ___sys_sendmsg+0xee/0x170 [ 5295.194644][ T74] __sys_sendmsg+0xcd/0x170 [ 5295.194644][ T74] do_syscall_64+0xc6/0x1e0 [ 5295.194644][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5295.194644][ T74] [ 5295.197349][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5295.197782][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5295.197782][ T74] dst_init+0x84/0x4a0 [ 5295.197782][ T74] dst_alloc+0x97/0x150 [ 5295.197782][ T74] ip6_dst_alloc+0x23/0x90 [ 5295.197782][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5295.197782][ T74] ip6_pol_route+0x56f/0x840 [ 5295.197782][ T74] fib6_rule_lookup+0x456/0x630 [ 5295.197782][ T74] ip6_route_input+0x59c/0xa50 [ 5295.197782][ T74] ipv6_rcv+0x397/0x810 [ 5295.197782][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5295.197782][ T74] process_backlog+0x101/0x620 [ 5295.197782][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5295.197782][ T74] net_rx_action+0x495/0xbe0 [ 5295.197782][ T74] __do_softirq+0x1b5/0x7f6 [ 5295.197782][ T74] [ 5295.199539][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5295.199539][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5295.199539][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5295.199539][ T74] fib6_nh_init+0xa22/0x1580 [ 5295.199539][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5295.199539][ T74] ip6_route_add+0x1c/0x140 [ 5295.199539][ T74] inet6_rtm_newroute+0x104/0x110 [ 5295.199539][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5295.199539][ T74] netlink_rcv_skb+0x130/0x360 [ 5295.199539][ T74] netlink_unicast+0x449/0x710 [ 5295.199539][ T74] netlink_sendmsg+0x723/0xbe0 [ 5295.199539][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5295.199539][ T74] ___sys_sendmsg+0xee/0x170 [ 5295.199539][ T74] __sys_sendmsg+0xcd/0x170 [ 5295.199539][ T74] do_syscall_64+0xc6/0x1e0 [ 5295.199539][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5295.199539][ T74] [ 5295.201430][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5295.201430][ T74] netdev_get_by_index+0x5e/0x80 [ 5295.201430][ T74] fib6_nh_init+0x3d8/0x1580 [ 5295.201430][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5295.201430][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5295.201430][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5295.201430][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5295.201430][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5295.201430][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5295.201430][ T74] addrconf_dad_begin+0x310/0x670 [ 5295.201430][ T74] addrconf_dad_work+0x10b/0xab0 [ 5295.201430][ T74] process_one_work+0x84d/0x18a0 [ 5295.201430][ T74] worker_thread+0x587/0xd30 [ 5295.201430][ T74] kthread+0x28a/0x350 [ 5295.201430][ T74] ret_from_fork+0x31/0x70 [ 5295.201430][ T74] ret_from_fork_asm+0x1a/0x30 [ 5295.201430][ T74] [ 5295.203332][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5295.203332][ T74] netdev_get_by_index+0x5e/0x80 [ 5295.203332][ T74] fib6_nh_init+0x3d8/0x1580 [ 5295.203332][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5295.203332][ T74] ip6_route_add+0x1c/0x140 [ 5295.203332][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5295.203332][ T74] inet6_addr_add+0x4f8/0xa40 [ 5295.203332][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5295.203332][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5295.203332][ T74] netlink_rcv_skb+0x130/0x360 [ 5295.203332][ T74] netlink_unicast+0x449/0x710 [ 5295.203332][ T74] netlink_sendmsg+0x723/0xbe0 [ 5295.203332][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5295.203332][ T74] ___sys_sendmsg+0xee/0x170 [ 5295.203332][ T74] __sys_sendmsg+0xcd/0x170 [ 5295.203332][ T74] do_syscall_64+0xc6/0x1e0 [ 5295.203332][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5295.203332][ T74] [ 5295.205457][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5295.205457][ T74] netdev_get_by_index+0x5e/0x80 [ 5295.205457][ T74] fib6_nh_init+0x3d8/0x1580 [ 5295.205457][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5295.205457][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5295.205457][ T74] ipv6_add_addr+0x411/0x2000 [ 5295.205457][ T74] inet6_addr_add+0x30e/0xa40 [ 5295.205457][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5295.205457][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5295.205457][ T74] netlink_rcv_skb+0x130/0x360 [ 5295.205457][ T74] netlink_unicast+0x449/0x710 [ 5295.205457][ T74] netlink_sendmsg+0x723/0xbe0 [ 5295.205457][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5295.205457][ T74] ___sys_sendmsg+0xee/0x170 [ 5295.205457][ T74] __sys_sendmsg+0xcd/0x170 [ 5295.205457][ T74] do_syscall_64+0xc6/0x1e0 [ 5295.205457][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5295.205457][ T74] [ 5295.207446][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5295.207446][ T74] netdev_get_by_index+0x5e/0x80 [ 5295.207446][ T74] fib6_nh_init+0x3d8/0x1580 [ 5295.207446][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5295.207446][ T74] ip6_route_add+0x1c/0x140 [ 5295.207446][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5295.207446][ T74] addrconf_add_dev+0xe2/0x170 [ 5295.207446][ T74] inet6_addr_add+0x12f/0xa40 [ 5295.207446][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5295.207446][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5295.207446][ T74] netlink_rcv_skb+0x130/0x360 [ 5295.207446][ T74] netlink_unicast+0x449/0x710 [ 5295.207446][ T74] netlink_sendmsg+0x723/0xbe0 [ 5295.207446][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5295.207446][ T74] ___sys_sendmsg+0xee/0x170 [ 5295.207446][ T74] __sys_sendmsg+0xcd/0x170 [ 5295.207446][ T74] do_syscall_64+0xc6/0x1e0 [ 5295.207446][ T74] [ 5295.209414][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5295.209414][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5295.209414][ T74] ipv6_find_idev+0x102/0x170 [ 5295.209414][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5295.209414][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5295.209414][ T74] netlink_rcv_skb+0x130/0x360 [ 5295.209414][ T74] netlink_unicast+0x449/0x710 [ 5295.209414][ T74] netlink_sendmsg+0x723/0xbe0 [ 5295.209414][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5295.209414][ T74] ___sys_sendmsg+0xee/0x170 [ 5295.209414][ T74] __sys_sendmsg+0xcd/0x170 [ 5295.209414][ T74] do_syscall_64+0xc6/0x1e0 [ 5295.209414][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5295.209414][ T74] [ 5295.211073][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5295.211073][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5295.211073][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5295.211073][ T74] ipv6_find_idev+0x102/0x170 [ 5295.211073][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5295.211073][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5295.211073][ T74] netlink_rcv_skb+0x130/0x360 [ 5295.211073][ T74] netlink_unicast+0x449/0x710 [ 5295.211073][ T74] netlink_sendmsg+0x723/0xbe0 [ 5295.211073][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5295.211073][ T74] ___sys_sendmsg+0xee/0x170 [ 5295.211073][ T74] __sys_sendmsg+0xcd/0x170 [ 5295.211073][ T74] do_syscall_64+0xc6/0x1e0 [ 5295.211073][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5295.211073][ T74] [ 5295.212984][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5295.213224][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5295.213224][ T74] netdev_get_by_index+0x5e/0x80 [ 5295.213224][ T74] fib6_nh_init+0x3d8/0x1580 [ 5295.213224][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5295.213224][ T74] ip6_route_add+0x1c/0x140 [ 5295.213224][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5295.213224][ T74] inet6_addr_add+0x4f8/0xa40 [ 5295.213224][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5295.213224][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5295.213224][ T74] netlink_rcv_skb+0x130/0x360 [ 5295.213224][ T74] netlink_unicast+0x449/0x710 [ 5295.213224][ T74] netlink_sendmsg+0x723/0xbe0 [ 5295.213224][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5295.213224][ T74] ___sys_sendmsg+0xee/0x170 [ 5295.213224][ T74] __sys_sendmsg+0xcd/0x170 [ 5295.213224][ T74] do_syscall_64+0xc6/0x1e0 [ 5295.213224][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5295.213224][ T74] [ 5295.215465][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5295.215465][ T74] netdev_get_by_index+0x5e/0x80 [ 5295.215465][ T74] fib6_nh_init+0x3d8/0x1580 [ 5295.215465][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5295.215465][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5295.215465][ T74] ipv6_add_addr+0x411/0x2000 [ 5295.215465][ T74] inet6_addr_add+0x30e/0xa40 [ 5295.215465][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5295.215465][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5295.215465][ T74] netlink_rcv_skb+0x130/0x360 [ 5295.215465][ T74] netlink_unicast+0x449/0x710 [ 5295.215465][ T74] netlink_sendmsg+0x723/0xbe0 [ 5295.215465][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5295.215465][ T74] ___sys_sendmsg+0xee/0x170 [ 5295.215465][ T74] __sys_sendmsg+0xcd/0x170 [ 5295.215465][ T74] do_syscall_64+0xc6/0x1e0 [ 5295.215465][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5295.215465][ T74] [ 5295.217753][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5295.217753][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5295.217753][ T74] ipv6_find_idev+0x102/0x170 [ 5295.217753][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5295.217753][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5295.217753][ T74] netlink_rcv_skb+0x130/0x360 [ 5295.217753][ T74] netlink_unicast+0x449/0x710 [ 5295.217753][ T74] netlink_sendmsg+0x723/0xbe0 [ 5295.217753][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5295.217753][ T74] ___sys_sendmsg+0xee/0x170 [ 5295.217753][ T74] __sys_sendmsg+0xcd/0x170 [ 5295.217753][ T74] do_syscall_64+0xc6/0x1e0 [ 5295.217753][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5295.217753][ T74] [ 5295.219414][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5295.219414][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5295.219414][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5295.219414][ T74] ipv6_find_idev+0x102/0x170 [ 5295.219414][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5295.219414][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5295.219414][ T74] netlink_rcv_skb+0x130/0x360 [ 5295.219414][ T74] netlink_unicast+0x449/0x710 [ 5295.219414][ T74] netlink_sendmsg+0x723/0xbe0 [ 5295.219414][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5295.219414][ T74] ___sys_sendmsg+0xee/0x170 [ 5295.219414][ T74] __sys_sendmsg+0xcd/0x170 [ 5295.219414][ T74] do_syscall_64+0xc6/0x1e0 [ 5295.219414][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5295.219414][ T74] [ 5305.463891][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5305.464314][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5305.464314][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5305.464314][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5305.464314][ T74] fib6_nh_init+0xa22/0x1580 [ 5305.464314][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5305.464314][ T74] ip6_route_add+0x1c/0x140 [ 5305.464314][ T74] inet6_rtm_newroute+0x104/0x110 [ 5305.464314][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5305.464314][ T74] netlink_rcv_skb+0x130/0x360 [ 5305.464314][ T74] netlink_unicast+0x449/0x710 [ 5305.464314][ T74] netlink_sendmsg+0x723/0xbe0 [ 5305.464314][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5305.464314][ T74] ___sys_sendmsg+0xee/0x170 [ 5305.464314][ T74] __sys_sendmsg+0xcd/0x170 [ 5305.464314][ T74] do_syscall_64+0xc6/0x1e0 [ 5305.464314][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5305.464314][ T74] [ 5305.466216][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5305.466216][ T74] netdev_get_by_index+0x5e/0x80 [ 5305.466216][ T74] fib6_nh_init+0x3d8/0x1580 [ 5305.466216][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5305.466216][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5305.466216][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5305.466216][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5305.466216][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5305.466216][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5305.466216][ T74] addrconf_dad_begin+0x310/0x670 [ 5305.466216][ T74] addrconf_dad_work+0x10b/0xab0 [ 5305.466216][ T74] process_one_work+0x84d/0x18a0 [ 5305.466216][ T74] worker_thread+0x587/0xd30 [ 5305.466216][ T74] kthread+0x28a/0x350 [ 5305.466216][ T74] ret_from_fork+0x31/0x70 [ 5305.466216][ T74] ret_from_fork_asm+0x1a/0x30 [ 5305.466216][ T74] [ 5305.468151][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5305.468151][ T74] netdev_get_by_index+0x5e/0x80 [ 5305.468151][ T74] fib6_nh_init+0x3d8/0x1580 [ 5305.468151][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5305.468151][ T74] ip6_route_add+0x1c/0x140 [ 5305.468151][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5305.468151][ T74] inet6_addr_add+0x4f8/0xa40 [ 5305.468151][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5305.468151][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5305.468151][ T74] netlink_rcv_skb+0x130/0x360 [ 5305.468151][ T74] netlink_unicast+0x449/0x710 [ 5305.468151][ T74] netlink_sendmsg+0x723/0xbe0 [ 5305.468151][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5305.468151][ T74] ___sys_sendmsg+0xee/0x170 [ 5305.468151][ T74] __sys_sendmsg+0xcd/0x170 [ 5305.468151][ T74] do_syscall_64+0xc6/0x1e0 [ 5305.468151][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5305.468151][ T74] [ 5305.470152][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5305.470152][ T74] netdev_get_by_index+0x5e/0x80 [ 5305.470152][ T74] fib6_nh_init+0x3d8/0x1580 [ 5305.470152][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5305.470152][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5305.470152][ T74] ipv6_add_addr+0x411/0x2000 [ 5305.470152][ T74] inet6_addr_add+0x30e/0xa40 [ 5305.470152][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5305.470152][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5305.470152][ T74] netlink_rcv_skb+0x130/0x360 [ 5305.470152][ T74] netlink_unicast+0x449/0x710 [ 5305.470152][ T74] netlink_sendmsg+0x723/0xbe0 [ 5305.470152][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5305.470152][ T74] ___sys_sendmsg+0xee/0x170 [ 5305.470152][ T74] __sys_sendmsg+0xcd/0x170 [ 5305.470152][ T74] do_syscall_64+0xc6/0x1e0 [ 5305.470152][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5305.470152][ T74] [ 5305.472149][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5305.472149][ T74] netdev_get_by_index+0x5e/0x80 [ 5305.472149][ T74] fib6_nh_init+0x3d8/0x1580 [ 5305.472149][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5305.472149][ T74] ip6_route_add+0x1c/0x140 [ 5305.472149][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5305.472149][ T74] addrconf_add_dev+0xe2/0x170 [ 5305.472149][ T74] inet6_addr_add+0x12f/0xa40 [ 5305.472149][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5305.472149][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5305.472149][ T74] netlink_rcv_skb+0x130/0x360 [ 5305.472149][ T74] netlink_unicast+0x449/0x710 [ 5305.472149][ T74] netlink_sendmsg+0x723/0xbe0 [ 5305.472149][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5305.472149][ T74] ___sys_sendmsg+0xee/0x170 [ 5305.472149][ T74] __sys_sendmsg+0xcd/0x170 [ 5305.472149][ T74] do_syscall_64+0xc6/0x1e0 [ 5305.472149][ T74] [ 5305.474116][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5305.474116][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5305.474116][ T74] ipv6_find_idev+0x102/0x170 [ 5305.474116][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5305.474116][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5305.474116][ T74] netlink_rcv_skb+0x130/0x360 [ 5305.474116][ T74] netlink_unicast+0x449/0x710 [ 5305.474116][ T74] netlink_sendmsg+0x723/0xbe0 [ 5305.474116][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5305.474116][ T74] ___sys_sendmsg+0xee/0x170 [ 5305.474116][ T74] __sys_sendmsg+0xcd/0x170 [ 5305.474116][ T74] do_syscall_64+0xc6/0x1e0 [ 5305.474116][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5305.474116][ T74] [ 5305.475666][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5305.475666][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5305.475666][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5305.475666][ T74] ipv6_find_idev+0x102/0x170 [ 5305.475666][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5305.475666][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5305.475666][ T74] netlink_rcv_skb+0x130/0x360 [ 5305.475666][ T74] netlink_unicast+0x449/0x710 [ 5305.475666][ T74] netlink_sendmsg+0x723/0xbe0 [ 5305.475666][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5305.475666][ T74] ___sys_sendmsg+0xee/0x170 [ 5305.475666][ T74] __sys_sendmsg+0xcd/0x170 [ 5305.475666][ T74] do_syscall_64+0xc6/0x1e0 [ 5305.475666][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5305.475666][ T74] [ 5305.477348][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5305.477624][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5305.477624][ T74] dst_init+0x84/0x4a0 [ 5305.477624][ T74] dst_alloc+0x97/0x150 [ 5305.477624][ T74] ip6_dst_alloc+0x23/0x90 [ 5305.477624][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5305.477624][ T74] ip6_pol_route+0x56f/0x840 [ 5305.477624][ T74] fib6_rule_lookup+0x456/0x630 [ 5305.477624][ T74] ip6_route_input+0x59c/0xa50 [ 5305.477624][ T74] ipv6_rcv+0x397/0x810 [ 5305.477624][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5305.477624][ T74] process_backlog+0x101/0x620 [ 5305.477624][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5305.477624][ T74] net_rx_action+0x495/0xbe0 [ 5305.477624][ T74] __do_softirq+0x1b5/0x7f6 [ 5305.477624][ T74] [ 5305.479256][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5305.479256][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5305.479256][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5305.479256][ T74] fib6_nh_init+0xa22/0x1580 [ 5305.479256][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5305.479256][ T74] ip6_route_add+0x1c/0x140 [ 5305.479256][ T74] inet6_rtm_newroute+0x104/0x110 [ 5305.479256][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5305.479256][ T74] netlink_rcv_skb+0x130/0x360 [ 5305.479256][ T74] netlink_unicast+0x449/0x710 [ 5305.479256][ T74] netlink_sendmsg+0x723/0xbe0 [ 5305.479256][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5305.479256][ T74] ___sys_sendmsg+0xee/0x170 [ 5305.479256][ T74] __sys_sendmsg+0xcd/0x170 [ 5305.479256][ T74] do_syscall_64+0xc6/0x1e0 [ 5305.479256][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5305.479256][ T74] [ 5305.481138][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5305.481138][ T74] netdev_get_by_index+0x5e/0x80 [ 5305.481138][ T74] fib6_nh_init+0x3d8/0x1580 [ 5305.481138][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5305.481138][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5305.481138][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5305.481138][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5305.481138][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5305.481138][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5305.481138][ T74] addrconf_dad_begin+0x310/0x670 [ 5305.481138][ T74] addrconf_dad_work+0x10b/0xab0 [ 5305.481138][ T74] process_one_work+0x84d/0x18a0 [ 5305.481138][ T74] worker_thread+0x587/0xd30 [ 5305.481138][ T74] kthread+0x28a/0x350 [ 5305.481138][ T74] ret_from_fork+0x31/0x70 [ 5305.481138][ T74] ret_from_fork_asm+0x1a/0x30 [ 5305.481138][ T74] [ 5305.483043][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5305.483043][ T74] netdev_get_by_index+0x5e/0x80 [ 5305.483043][ T74] fib6_nh_init+0x3d8/0x1580 [ 5305.483043][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5305.483043][ T74] ip6_route_add+0x1c/0x140 [ 5305.483043][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5305.483043][ T74] inet6_addr_add+0x4f8/0xa40 [ 5305.483043][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5305.483043][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5305.483043][ T74] netlink_rcv_skb+0x130/0x360 [ 5305.483043][ T74] netlink_unicast+0x449/0x710 [ 5305.483043][ T74] netlink_sendmsg+0x723/0xbe0 [ 5305.483043][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5305.483043][ T74] ___sys_sendmsg+0xee/0x170 [ 5305.483043][ T74] __sys_sendmsg+0xcd/0x170 [ 5305.483043][ T74] do_syscall_64+0xc6/0x1e0 [ 5305.483043][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5305.483043][ T74] [ 5305.485051][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5305.485051][ T74] netdev_get_by_index+0x5e/0x80 [ 5305.485051][ T74] fib6_nh_init+0x3d8/0x1580 [ 5305.485051][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5305.485051][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5305.485051][ T74] ipv6_add_addr+0x411/0x2000 [ 5305.485051][ T74] inet6_addr_add+0x30e/0xa40 [ 5305.485051][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5305.485051][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5305.485051][ T74] netlink_rcv_skb+0x130/0x360 [ 5305.485051][ T74] netlink_unicast+0x449/0x710 [ 5305.485051][ T74] netlink_sendmsg+0x723/0xbe0 [ 5305.485051][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5305.485051][ T74] ___sys_sendmsg+0xee/0x170 [ 5305.485051][ T74] __sys_sendmsg+0xcd/0x170 [ 5305.485051][ T74] do_syscall_64+0xc6/0x1e0 [ 5305.485051][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5305.485051][ T74] [ 5305.487040][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5305.487040][ T74] netdev_get_by_index+0x5e/0x80 [ 5305.487040][ T74] fib6_nh_init+0x3d8/0x1580 [ 5305.487040][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5305.487040][ T74] ip6_route_add+0x1c/0x140 [ 5305.487040][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5305.487040][ T74] addrconf_add_dev+0xe2/0x170 [ 5305.487040][ T74] inet6_addr_add+0x12f/0xa40 [ 5305.487040][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5305.487040][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5305.487040][ T74] netlink_rcv_skb+0x130/0x360 [ 5305.487040][ T74] netlink_unicast+0x449/0x710 [ 5305.487040][ T74] netlink_sendmsg+0x723/0xbe0 [ 5305.487040][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5305.487040][ T74] ___sys_sendmsg+0xee/0x170 [ 5305.487040][ T74] __sys_sendmsg+0xcd/0x170 [ 5305.487040][ T74] do_syscall_64+0xc6/0x1e0 [ 5305.487040][ T74] [ 5305.488986][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5305.488986][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5305.488986][ T74] ipv6_find_idev+0x102/0x170 [ 5305.488986][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5305.488986][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5305.488986][ T74] netlink_rcv_skb+0x130/0x360 [ 5305.488986][ T74] netlink_unicast+0x449/0x710 [ 5305.488986][ T74] netlink_sendmsg+0x723/0xbe0 [ 5305.488986][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5305.488986][ T74] ___sys_sendmsg+0xee/0x170 [ 5305.488986][ T74] __sys_sendmsg+0xcd/0x170 [ 5305.488986][ T74] do_syscall_64+0xc6/0x1e0 [ 5305.488986][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5305.488986][ T74] [ 5305.490637][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5305.490637][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5305.490637][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5305.490637][ T74] ipv6_find_idev+0x102/0x170 [ 5305.490637][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5305.490637][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5305.490637][ T74] netlink_rcv_skb+0x130/0x360 [ 5305.490637][ T74] netlink_unicast+0x449/0x710 [ 5305.490637][ T74] netlink_sendmsg+0x723/0xbe0 [ 5305.490637][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5305.490637][ T74] ___sys_sendmsg+0xee/0x170 [ 5305.490637][ T74] __sys_sendmsg+0xcd/0x170 [ 5305.490637][ T74] do_syscall_64+0xc6/0x1e0 [ 5305.490637][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5305.490637][ T74] [ 5305.492544][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5305.492785][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5305.492785][ T74] netdev_get_by_index+0x5e/0x80 [ 5305.492785][ T74] fib6_nh_init+0x3d8/0x1580 [ 5305.492785][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5305.492785][ T74] ip6_route_add+0x1c/0x140 [ 5305.492785][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5305.492785][ T74] inet6_addr_add+0x4f8/0xa40 [ 5305.492785][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5305.492785][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5305.492785][ T74] netlink_rcv_skb+0x130/0x360 [ 5305.492785][ T74] netlink_unicast+0x449/0x710 [ 5305.492785][ T74] netlink_sendmsg+0x723/0xbe0 [ 5305.492785][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5305.492785][ T74] ___sys_sendmsg+0xee/0x170 [ 5305.492785][ T74] __sys_sendmsg+0xcd/0x170 [ 5305.492785][ T74] do_syscall_64+0xc6/0x1e0 [ 5305.492785][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5305.492785][ T74] [ 5305.495024][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5305.495024][ T74] netdev_get_by_index+0x5e/0x80 [ 5305.495024][ T74] fib6_nh_init+0x3d8/0x1580 [ 5305.495024][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5305.495024][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5305.495024][ T74] ipv6_add_addr+0x411/0x2000 [ 5305.495024][ T74] inet6_addr_add+0x30e/0xa40 [ 5305.495024][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5305.495024][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5305.495024][ T74] netlink_rcv_skb+0x130/0x360 [ 5305.495024][ T74] netlink_unicast+0x449/0x710 [ 5305.495024][ T74] netlink_sendmsg+0x723/0xbe0 [ 5305.495024][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5305.495024][ T74] ___sys_sendmsg+0xee/0x170 [ 5305.495024][ T74] __sys_sendmsg+0xcd/0x170 [ 5305.495024][ T74] do_syscall_64+0xc6/0x1e0 [ 5305.495024][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5305.495024][ T74] [ 5305.497260][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5305.497260][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5305.497260][ T74] ipv6_find_idev+0x102/0x170 [ 5305.497260][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5305.497260][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5305.497260][ T74] netlink_rcv_skb+0x130/0x360 [ 5305.497260][ T74] netlink_unicast+0x449/0x710 [ 5305.497260][ T74] netlink_sendmsg+0x723/0xbe0 [ 5305.497260][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5305.497260][ T74] ___sys_sendmsg+0xee/0x170 [ 5305.497260][ T74] __sys_sendmsg+0xcd/0x170 [ 5305.497260][ T74] do_syscall_64+0xc6/0x1e0 [ 5305.497260][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5305.497260][ T74] [ 5305.498912][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5305.498912][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5305.498912][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5305.498912][ T74] ipv6_find_idev+0x102/0x170 [ 5305.498912][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5305.498912][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5305.498912][ T74] netlink_rcv_skb+0x130/0x360 [ 5305.498912][ T74] netlink_unicast+0x449/0x710 [ 5305.498912][ T74] netlink_sendmsg+0x723/0xbe0 [ 5305.498912][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5305.498912][ T74] ___sys_sendmsg+0xee/0x170 [ 5305.498912][ T74] __sys_sendmsg+0xcd/0x170 [ 5305.498912][ T74] do_syscall_64+0xc6/0x1e0 [ 5305.498912][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5305.498912][ T74] [ 5315.743948][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5315.744370][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5315.744370][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5315.744370][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5315.744370][ T74] fib6_nh_init+0xa22/0x1580 [ 5315.744370][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5315.744370][ T74] ip6_route_add+0x1c/0x140 [ 5315.744370][ T74] inet6_rtm_newroute+0x104/0x110 [ 5315.744370][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5315.744370][ T74] netlink_rcv_skb+0x130/0x360 [ 5315.744370][ T74] netlink_unicast+0x449/0x710 [ 5315.744370][ T74] netlink_sendmsg+0x723/0xbe0 [ 5315.744370][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5315.744370][ T74] ___sys_sendmsg+0xee/0x170 [ 5315.744370][ T74] __sys_sendmsg+0xcd/0x170 [ 5315.744370][ T74] do_syscall_64+0xc6/0x1e0 [ 5315.744370][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5315.744370][ T74] [ 5315.746278][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5315.746278][ T74] netdev_get_by_index+0x5e/0x80 [ 5315.746278][ T74] fib6_nh_init+0x3d8/0x1580 [ 5315.746278][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5315.746278][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5315.746278][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5315.746278][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5315.746278][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5315.746278][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5315.746278][ T74] addrconf_dad_begin+0x310/0x670 [ 5315.746278][ T74] addrconf_dad_work+0x10b/0xab0 [ 5315.746278][ T74] process_one_work+0x84d/0x18a0 [ 5315.746278][ T74] worker_thread+0x587/0xd30 [ 5315.746278][ T74] kthread+0x28a/0x350 [ 5315.746278][ T74] ret_from_fork+0x31/0x70 [ 5315.746278][ T74] ret_from_fork_asm+0x1a/0x30 [ 5315.746278][ T74] [ 5315.748197][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5315.748197][ T74] netdev_get_by_index+0x5e/0x80 [ 5315.748197][ T74] fib6_nh_init+0x3d8/0x1580 [ 5315.748197][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5315.748197][ T74] ip6_route_add+0x1c/0x140 [ 5315.748197][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5315.748197][ T74] inet6_addr_add+0x4f8/0xa40 [ 5315.748197][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5315.748197][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5315.748197][ T74] netlink_rcv_skb+0x130/0x360 [ 5315.748197][ T74] netlink_unicast+0x449/0x710 [ 5315.748197][ T74] netlink_sendmsg+0x723/0xbe0 [ 5315.748197][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5315.748197][ T74] ___sys_sendmsg+0xee/0x170 [ 5315.748197][ T74] __sys_sendmsg+0xcd/0x170 [ 5315.748197][ T74] do_syscall_64+0xc6/0x1e0 [ 5315.748197][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5315.748197][ T74] [ 5315.750190][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5315.750190][ T74] netdev_get_by_index+0x5e/0x80 [ 5315.750190][ T74] fib6_nh_init+0x3d8/0x1580 [ 5315.750190][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5315.750190][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5315.750190][ T74] ipv6_add_addr+0x411/0x2000 [ 5315.750190][ T74] inet6_addr_add+0x30e/0xa40 [ 5315.750190][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5315.750190][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5315.750190][ T74] netlink_rcv_skb+0x130/0x360 [ 5315.750190][ T74] netlink_unicast+0x449/0x710 [ 5315.750190][ T74] netlink_sendmsg+0x723/0xbe0 [ 5315.750190][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5315.750190][ T74] ___sys_sendmsg+0xee/0x170 [ 5315.750190][ T74] __sys_sendmsg+0xcd/0x170 [ 5315.750190][ T74] do_syscall_64+0xc6/0x1e0 [ 5315.750190][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5315.750190][ T74] [ 5315.752171][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5315.752171][ T74] netdev_get_by_index+0x5e/0x80 [ 5315.752171][ T74] fib6_nh_init+0x3d8/0x1580 [ 5315.752171][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5315.752171][ T74] ip6_route_add+0x1c/0x140 [ 5315.752171][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5315.752171][ T74] addrconf_add_dev+0xe2/0x170 [ 5315.752171][ T74] inet6_addr_add+0x12f/0xa40 [ 5315.752171][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5315.752171][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5315.752171][ T74] netlink_rcv_skb+0x130/0x360 [ 5315.752171][ T74] netlink_unicast+0x449/0x710 [ 5315.752171][ T74] netlink_sendmsg+0x723/0xbe0 [ 5315.752171][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5315.752171][ T74] ___sys_sendmsg+0xee/0x170 [ 5315.752171][ T74] __sys_sendmsg+0xcd/0x170 [ 5315.752171][ T74] do_syscall_64+0xc6/0x1e0 [ 5315.752171][ T74] [ 5315.754142][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5315.754142][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5315.754142][ T74] ipv6_find_idev+0x102/0x170 [ 5315.754142][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5315.754142][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5315.754142][ T74] netlink_rcv_skb+0x130/0x360 [ 5315.754142][ T74] netlink_unicast+0x449/0x710 [ 5315.754142][ T74] netlink_sendmsg+0x723/0xbe0 [ 5315.754142][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5315.754142][ T74] ___sys_sendmsg+0xee/0x170 [ 5315.754142][ T74] __sys_sendmsg+0xcd/0x170 [ 5315.754142][ T74] do_syscall_64+0xc6/0x1e0 [ 5315.754142][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5315.754142][ T74] [ 5315.755670][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5315.755670][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5315.755670][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5315.755670][ T74] ipv6_find_idev+0x102/0x170 [ 5315.755670][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5315.755670][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5315.755670][ T74] netlink_rcv_skb+0x130/0x360 [ 5315.755670][ T74] netlink_unicast+0x449/0x710 [ 5315.755670][ T74] netlink_sendmsg+0x723/0xbe0 [ 5315.755670][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5315.755670][ T74] ___sys_sendmsg+0xee/0x170 [ 5315.755670][ T74] __sys_sendmsg+0xcd/0x170 [ 5315.755670][ T74] do_syscall_64+0xc6/0x1e0 [ 5315.755670][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5315.755670][ T74] [ 5315.757345][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5315.757626][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5315.757626][ T74] dst_init+0x84/0x4a0 [ 5315.757626][ T74] dst_alloc+0x97/0x150 [ 5315.757626][ T74] ip6_dst_alloc+0x23/0x90 [ 5315.757626][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5315.757626][ T74] ip6_pol_route+0x56f/0x840 [ 5315.757626][ T74] fib6_rule_lookup+0x456/0x630 [ 5315.757626][ T74] ip6_route_input+0x59c/0xa50 [ 5315.757626][ T74] ipv6_rcv+0x397/0x810 [ 5315.757626][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5315.757626][ T74] process_backlog+0x101/0x620 [ 5315.757626][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5315.757626][ T74] net_rx_action+0x495/0xbe0 [ 5315.757626][ T74] __do_softirq+0x1b5/0x7f6 [ 5315.757626][ T74] [ 5315.759267][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5315.759267][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5315.759267][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5315.759267][ T74] fib6_nh_init+0xa22/0x1580 [ 5315.759267][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5315.759267][ T74] ip6_route_add+0x1c/0x140 [ 5315.759267][ T74] inet6_rtm_newroute+0x104/0x110 [ 5315.759267][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5315.759267][ T74] netlink_rcv_skb+0x130/0x360 [ 5315.759267][ T74] netlink_unicast+0x449/0x710 [ 5315.759267][ T74] netlink_sendmsg+0x723/0xbe0 [ 5315.759267][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5315.759267][ T74] ___sys_sendmsg+0xee/0x170 [ 5315.759267][ T74] __sys_sendmsg+0xcd/0x170 [ 5315.759267][ T74] do_syscall_64+0xc6/0x1e0 [ 5315.759267][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5315.759267][ T74] [ 5315.761140][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5315.761140][ T74] netdev_get_by_index+0x5e/0x80 [ 5315.761140][ T74] fib6_nh_init+0x3d8/0x1580 [ 5315.761140][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5315.761140][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5315.761140][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5315.761140][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5315.761140][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5315.761140][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5315.761140][ T74] addrconf_dad_begin+0x310/0x670 [ 5315.761140][ T74] addrconf_dad_work+0x10b/0xab0 [ 5315.761140][ T74] process_one_work+0x84d/0x18a0 [ 5315.761140][ T74] worker_thread+0x587/0xd30 [ 5315.761140][ T74] kthread+0x28a/0x350 [ 5315.761140][ T74] ret_from_fork+0x31/0x70 [ 5315.761140][ T74] ret_from_fork_asm+0x1a/0x30 [ 5315.761140][ T74] [ 5315.763048][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5315.763048][ T74] netdev_get_by_index+0x5e/0x80 [ 5315.763048][ T74] fib6_nh_init+0x3d8/0x1580 [ 5315.763048][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5315.763048][ T74] ip6_route_add+0x1c/0x140 [ 5315.763048][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5315.763048][ T74] inet6_addr_add+0x4f8/0xa40 [ 5315.763048][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5315.763048][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5315.763048][ T74] netlink_rcv_skb+0x130/0x360 [ 5315.763048][ T74] netlink_unicast+0x449/0x710 [ 5315.763048][ T74] netlink_sendmsg+0x723/0xbe0 [ 5315.763048][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5315.763048][ T74] ___sys_sendmsg+0xee/0x170 [ 5315.763048][ T74] __sys_sendmsg+0xcd/0x170 [ 5315.763048][ T74] do_syscall_64+0xc6/0x1e0 [ 5315.763048][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5315.763048][ T74] [ 5315.765052][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5315.765052][ T74] netdev_get_by_index+0x5e/0x80 [ 5315.765052][ T74] fib6_nh_init+0x3d8/0x1580 [ 5315.765052][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5315.765052][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5315.765052][ T74] ipv6_add_addr+0x411/0x2000 [ 5315.765052][ T74] inet6_addr_add+0x30e/0xa40 [ 5315.765052][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5315.765052][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5315.765052][ T74] netlink_rcv_skb+0x130/0x360 [ 5315.765052][ T74] netlink_unicast+0x449/0x710 [ 5315.765052][ T74] netlink_sendmsg+0x723/0xbe0 [ 5315.765052][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5315.765052][ T74] ___sys_sendmsg+0xee/0x170 [ 5315.765052][ T74] __sys_sendmsg+0xcd/0x170 [ 5315.765052][ T74] do_syscall_64+0xc6/0x1e0 [ 5315.765052][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5315.765052][ T74] [ 5315.767040][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5315.767040][ T74] netdev_get_by_index+0x5e/0x80 [ 5315.767040][ T74] fib6_nh_init+0x3d8/0x1580 [ 5315.767040][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5315.767040][ T74] ip6_route_add+0x1c/0x140 [ 5315.767040][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5315.767040][ T74] addrconf_add_dev+0xe2/0x170 [ 5315.767040][ T74] inet6_addr_add+0x12f/0xa40 [ 5315.767040][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5315.767040][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5315.767040][ T74] netlink_rcv_skb+0x130/0x360 [ 5315.767040][ T74] netlink_unicast+0x449/0x710 [ 5315.767040][ T74] netlink_sendmsg+0x723/0xbe0 [ 5315.767040][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5315.767040][ T74] ___sys_sendmsg+0xee/0x170 [ 5315.767040][ T74] __sys_sendmsg+0xcd/0x170 [ 5315.767040][ T74] do_syscall_64+0xc6/0x1e0 [ 5315.767040][ T74] [ 5315.768990][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5315.768990][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5315.768990][ T74] ipv6_find_idev+0x102/0x170 [ 5315.768990][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5315.768990][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5315.768990][ T74] netlink_rcv_skb+0x130/0x360 [ 5315.768990][ T74] netlink_unicast+0x449/0x710 [ 5315.768990][ T74] netlink_sendmsg+0x723/0xbe0 [ 5315.768990][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5315.768990][ T74] ___sys_sendmsg+0xee/0x170 [ 5315.768990][ T74] __sys_sendmsg+0xcd/0x170 [ 5315.768990][ T74] do_syscall_64+0xc6/0x1e0 [ 5315.768990][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5315.768990][ T74] [ 5315.770642][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5315.770642][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5315.770642][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5315.770642][ T74] ipv6_find_idev+0x102/0x170 [ 5315.770642][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5315.770642][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5315.770642][ T74] netlink_rcv_skb+0x130/0x360 [ 5315.770642][ T74] netlink_unicast+0x449/0x710 [ 5315.770642][ T74] netlink_sendmsg+0x723/0xbe0 [ 5315.770642][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5315.770642][ T74] ___sys_sendmsg+0xee/0x170 [ 5315.770642][ T74] __sys_sendmsg+0xcd/0x170 [ 5315.770642][ T74] do_syscall_64+0xc6/0x1e0 [ 5315.770642][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5315.770642][ T74] [ 5315.772733][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5315.772989][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5315.772989][ T74] netdev_get_by_index+0x5e/0x80 [ 5315.772989][ T74] fib6_nh_init+0x3d8/0x1580 [ 5315.772989][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5315.772989][ T74] ip6_route_add+0x1c/0x140 [ 5315.772989][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5315.772989][ T74] inet6_addr_add+0x4f8/0xa40 [ 5315.772989][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5315.772989][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5315.772989][ T74] netlink_rcv_skb+0x130/0x360 [ 5315.772989][ T74] netlink_unicast+0x449/0x710 [ 5315.772989][ T74] netlink_sendmsg+0x723/0xbe0 [ 5315.772989][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5315.772989][ T74] ___sys_sendmsg+0xee/0x170 [ 5315.772989][ T74] __sys_sendmsg+0xcd/0x170 [ 5315.772989][ T74] do_syscall_64+0xc6/0x1e0 [ 5315.772989][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5315.772989][ T74] [ 5315.775233][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5315.775233][ T74] netdev_get_by_index+0x5e/0x80 [ 5315.775233][ T74] fib6_nh_init+0x3d8/0x1580 [ 5315.775233][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5315.775233][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5315.775233][ T74] ipv6_add_addr+0x411/0x2000 [ 5315.775233][ T74] inet6_addr_add+0x30e/0xa40 [ 5315.775233][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5315.775233][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5315.775233][ T74] netlink_rcv_skb+0x130/0x360 [ 5315.775233][ T74] netlink_unicast+0x449/0x710 [ 5315.775233][ T74] netlink_sendmsg+0x723/0xbe0 [ 5315.775233][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5315.775233][ T74] ___sys_sendmsg+0xee/0x170 [ 5315.775233][ T74] __sys_sendmsg+0xcd/0x170 [ 5315.775233][ T74] do_syscall_64+0xc6/0x1e0 [ 5315.775233][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5315.775233][ T74] [ 5315.777454][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5315.777454][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5315.777454][ T74] ipv6_find_idev+0x102/0x170 [ 5315.777454][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5315.777454][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5315.777454][ T74] netlink_rcv_skb+0x130/0x360 [ 5315.777454][ T74] netlink_unicast+0x449/0x710 [ 5315.777454][ T74] netlink_sendmsg+0x723/0xbe0 [ 5315.777454][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5315.777454][ T74] ___sys_sendmsg+0xee/0x170 [ 5315.777454][ T74] __sys_sendmsg+0xcd/0x170 [ 5315.777454][ T74] do_syscall_64+0xc6/0x1e0 [ 5315.777454][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5315.777454][ T74] [ 5315.779097][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5315.779097][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5315.779097][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5315.779097][ T74] ipv6_find_idev+0x102/0x170 [ 5315.779097][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5315.779097][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5315.779097][ T74] netlink_rcv_skb+0x130/0x360 [ 5315.779097][ T74] netlink_unicast+0x449/0x710 [ 5315.779097][ T74] netlink_sendmsg+0x723/0xbe0 [ 5315.779097][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5315.779097][ T74] ___sys_sendmsg+0xee/0x170 [ 5315.779097][ T74] __sys_sendmsg+0xcd/0x170 [ 5315.779097][ T74] do_syscall_64+0xc6/0x1e0 [ 5315.779097][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5315.779097][ T74] [ 5326.023887][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5326.024307][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5326.024307][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5326.024307][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5326.024307][ T74] fib6_nh_init+0xa22/0x1580 [ 5326.024307][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5326.024307][ T74] ip6_route_add+0x1c/0x140 [ 5326.024307][ T74] inet6_rtm_newroute+0x104/0x110 [ 5326.024307][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5326.024307][ T74] netlink_rcv_skb+0x130/0x360 [ 5326.024307][ T74] netlink_unicast+0x449/0x710 [ 5326.024307][ T74] netlink_sendmsg+0x723/0xbe0 [ 5326.024307][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5326.024307][ T74] ___sys_sendmsg+0xee/0x170 [ 5326.024307][ T74] __sys_sendmsg+0xcd/0x170 [ 5326.024307][ T74] do_syscall_64+0xc6/0x1e0 [ 5326.024307][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5326.024307][ T74] [ 5326.026205][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5326.026205][ T74] netdev_get_by_index+0x5e/0x80 [ 5326.026205][ T74] fib6_nh_init+0x3d8/0x1580 [ 5326.026205][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5326.026205][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5326.026205][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5326.026205][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5326.026205][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5326.026205][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5326.026205][ T74] addrconf_dad_begin+0x310/0x670 [ 5326.026205][ T74] addrconf_dad_work+0x10b/0xab0 [ 5326.026205][ T74] process_one_work+0x84d/0x18a0 [ 5326.026205][ T74] worker_thread+0x587/0xd30 [ 5326.026205][ T74] kthread+0x28a/0x350 [ 5326.026205][ T74] ret_from_fork+0x31/0x70 [ 5326.026205][ T74] ret_from_fork_asm+0x1a/0x30 [ 5326.026205][ T74] [ 5326.028126][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5326.028126][ T74] netdev_get_by_index+0x5e/0x80 [ 5326.028126][ T74] fib6_nh_init+0x3d8/0x1580 [ 5326.028126][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5326.028126][ T74] ip6_route_add+0x1c/0x140 [ 5326.028126][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5326.028126][ T74] inet6_addr_add+0x4f8/0xa40 [ 5326.028126][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5326.028126][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5326.028126][ T74] netlink_rcv_skb+0x130/0x360 [ 5326.028126][ T74] netlink_unicast+0x449/0x710 [ 5326.028126][ T74] netlink_sendmsg+0x723/0xbe0 [ 5326.028126][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5326.028126][ T74] ___sys_sendmsg+0xee/0x170 [ 5326.028126][ T74] __sys_sendmsg+0xcd/0x170 [ 5326.028126][ T74] do_syscall_64+0xc6/0x1e0 [ 5326.028126][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5326.028126][ T74] [ 5326.030113][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5326.030113][ T74] netdev_get_by_index+0x5e/0x80 [ 5326.030113][ T74] fib6_nh_init+0x3d8/0x1580 [ 5326.030113][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5326.030113][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5326.030113][ T74] ipv6_add_addr+0x411/0x2000 [ 5326.030113][ T74] inet6_addr_add+0x30e/0xa40 [ 5326.030113][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5326.030113][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5326.030113][ T74] netlink_rcv_skb+0x130/0x360 [ 5326.030113][ T74] netlink_unicast+0x449/0x710 [ 5326.030113][ T74] netlink_sendmsg+0x723/0xbe0 [ 5326.030113][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5326.030113][ T74] ___sys_sendmsg+0xee/0x170 [ 5326.030113][ T74] __sys_sendmsg+0xcd/0x170 [ 5326.030113][ T74] do_syscall_64+0xc6/0x1e0 [ 5326.030113][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5326.030113][ T74] [ 5326.032092][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5326.032092][ T74] netdev_get_by_index+0x5e/0x80 [ 5326.032092][ T74] fib6_nh_init+0x3d8/0x1580 [ 5326.032092][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5326.032092][ T74] ip6_route_add+0x1c/0x140 [ 5326.032092][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5326.032092][ T74] addrconf_add_dev+0xe2/0x170 [ 5326.032092][ T74] inet6_addr_add+0x12f/0xa40 [ 5326.032092][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5326.032092][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5326.032092][ T74] netlink_rcv_skb+0x130/0x360 [ 5326.032092][ T74] netlink_unicast+0x449/0x710 [ 5326.032092][ T74] netlink_sendmsg+0x723/0xbe0 [ 5326.032092][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5326.032092][ T74] ___sys_sendmsg+0xee/0x170 [ 5326.032092][ T74] __sys_sendmsg+0xcd/0x170 [ 5326.032092][ T74] do_syscall_64+0xc6/0x1e0 [ 5326.032092][ T74] [ 5326.034065][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5326.034065][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5326.034065][ T74] ipv6_find_idev+0x102/0x170 [ 5326.034065][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5326.034065][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5326.034065][ T74] netlink_rcv_skb+0x130/0x360 [ 5326.034065][ T74] netlink_unicast+0x449/0x710 [ 5326.034065][ T74] netlink_sendmsg+0x723/0xbe0 [ 5326.034065][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5326.034065][ T74] ___sys_sendmsg+0xee/0x170 [ 5326.034065][ T74] __sys_sendmsg+0xcd/0x170 [ 5326.034065][ T74] do_syscall_64+0xc6/0x1e0 [ 5326.034065][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5326.034065][ T74] [ 5326.035596][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5326.035596][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5326.035596][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5326.035596][ T74] ipv6_find_idev+0x102/0x170 [ 5326.035596][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5326.035596][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5326.035596][ T74] netlink_rcv_skb+0x130/0x360 [ 5326.035596][ T74] netlink_unicast+0x449/0x710 [ 5326.035596][ T74] netlink_sendmsg+0x723/0xbe0 [ 5326.035596][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5326.035596][ T74] ___sys_sendmsg+0xee/0x170 [ 5326.035596][ T74] __sys_sendmsg+0xcd/0x170 [ 5326.035596][ T74] do_syscall_64+0xc6/0x1e0 [ 5326.035596][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5326.035596][ T74] [ 5326.037275][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5326.037549][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5326.037549][ T74] dst_init+0x84/0x4a0 [ 5326.037549][ T74] dst_alloc+0x97/0x150 [ 5326.037549][ T74] ip6_dst_alloc+0x23/0x90 [ 5326.037549][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5326.037549][ T74] ip6_pol_route+0x56f/0x840 [ 5326.037549][ T74] fib6_rule_lookup+0x456/0x630 [ 5326.037549][ T74] ip6_route_input+0x59c/0xa50 [ 5326.037549][ T74] ipv6_rcv+0x397/0x810 [ 5326.037549][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5326.037549][ T74] process_backlog+0x101/0x620 [ 5326.037549][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5326.037549][ T74] net_rx_action+0x495/0xbe0 [ 5326.037549][ T74] __do_softirq+0x1b5/0x7f6 [ 5326.037549][ T74] [ 5326.039170][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5326.039170][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5326.039170][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5326.039170][ T74] fib6_nh_init+0xa22/0x1580 [ 5326.039170][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5326.039170][ T74] ip6_route_add+0x1c/0x140 [ 5326.039170][ T74] inet6_rtm_newroute+0x104/0x110 [ 5326.039170][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5326.039170][ T74] netlink_rcv_skb+0x130/0x360 [ 5326.039170][ T74] netlink_unicast+0x449/0x710 [ 5326.039170][ T74] netlink_sendmsg+0x723/0xbe0 [ 5326.039170][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5326.039170][ T74] ___sys_sendmsg+0xee/0x170 [ 5326.039170][ T74] __sys_sendmsg+0xcd/0x170 [ 5326.039170][ T74] do_syscall_64+0xc6/0x1e0 [ 5326.039170][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5326.039170][ T74] [ 5326.041046][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5326.041046][ T74] netdev_get_by_index+0x5e/0x80 [ 5326.041046][ T74] fib6_nh_init+0x3d8/0x1580 [ 5326.041046][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5326.041046][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5326.041046][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5326.041046][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5326.041046][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5326.041046][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5326.041046][ T74] addrconf_dad_begin+0x310/0x670 [ 5326.041046][ T74] addrconf_dad_work+0x10b/0xab0 [ 5326.041046][ T74] process_one_work+0x84d/0x18a0 [ 5326.041046][ T74] worker_thread+0x587/0xd30 [ 5326.041046][ T74] kthread+0x28a/0x350 [ 5326.041046][ T74] ret_from_fork+0x31/0x70 [ 5326.041046][ T74] ret_from_fork_asm+0x1a/0x30 [ 5326.041046][ T74] [ 5326.043033][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5326.043033][ T74] netdev_get_by_index+0x5e/0x80 [ 5326.043033][ T74] fib6_nh_init+0x3d8/0x1580 [ 5326.043033][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5326.043033][ T74] ip6_route_add+0x1c/0x140 [ 5326.043033][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5326.043033][ T74] inet6_addr_add+0x4f8/0xa40 [ 5326.043033][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5326.043033][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5326.043033][ T74] netlink_rcv_skb+0x130/0x360 [ 5326.043033][ T74] netlink_unicast+0x449/0x710 [ 5326.043033][ T74] netlink_sendmsg+0x723/0xbe0 [ 5326.043033][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5326.043033][ T74] ___sys_sendmsg+0xee/0x170 [ 5326.043033][ T74] __sys_sendmsg+0xcd/0x170 [ 5326.043033][ T74] do_syscall_64+0xc6/0x1e0 [ 5326.043033][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5326.043033][ T74] [ 5326.045015][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5326.045015][ T74] netdev_get_by_index+0x5e/0x80 [ 5326.045015][ T74] fib6_nh_init+0x3d8/0x1580 [ 5326.045015][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5326.045015][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5326.045015][ T74] ipv6_add_addr+0x411/0x2000 [ 5326.045015][ T74] inet6_addr_add+0x30e/0xa40 [ 5326.045015][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5326.045015][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5326.045015][ T74] netlink_rcv_skb+0x130/0x360 [ 5326.045015][ T74] netlink_unicast+0x449/0x710 [ 5326.045015][ T74] netlink_sendmsg+0x723/0xbe0 [ 5326.045015][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5326.045015][ T74] ___sys_sendmsg+0xee/0x170 [ 5326.045015][ T74] __sys_sendmsg+0xcd/0x170 [ 5326.045015][ T74] do_syscall_64+0xc6/0x1e0 [ 5326.045015][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5326.045015][ T74] [ 5326.047001][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5326.047001][ T74] netdev_get_by_index+0x5e/0x80 [ 5326.047001][ T74] fib6_nh_init+0x3d8/0x1580 [ 5326.047001][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5326.047001][ T74] ip6_route_add+0x1c/0x140 [ 5326.047001][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5326.047001][ T74] addrconf_add_dev+0xe2/0x170 [ 5326.047001][ T74] inet6_addr_add+0x12f/0xa40 [ 5326.047001][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5326.047001][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5326.047001][ T74] netlink_rcv_skb+0x130/0x360 [ 5326.047001][ T74] netlink_unicast+0x449/0x710 [ 5326.047001][ T74] netlink_sendmsg+0x723/0xbe0 [ 5326.047001][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5326.047001][ T74] ___sys_sendmsg+0xee/0x170 [ 5326.047001][ T74] __sys_sendmsg+0xcd/0x170 [ 5326.047001][ T74] do_syscall_64+0xc6/0x1e0 [ 5326.047001][ T74] [ 5326.048949][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5326.048949][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5326.048949][ T74] ipv6_find_idev+0x102/0x170 [ 5326.048949][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5326.048949][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5326.048949][ T74] netlink_rcv_skb+0x130/0x360 [ 5326.048949][ T74] netlink_unicast+0x449/0x710 [ 5326.048949][ T74] netlink_sendmsg+0x723/0xbe0 [ 5326.048949][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5326.048949][ T74] ___sys_sendmsg+0xee/0x170 [ 5326.048949][ T74] __sys_sendmsg+0xcd/0x170 [ 5326.048949][ T74] do_syscall_64+0xc6/0x1e0 [ 5326.048949][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5326.048949][ T74] [ 5326.050598][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5326.050598][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5326.050598][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5326.050598][ T74] ipv6_find_idev+0x102/0x170 [ 5326.050598][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5326.050598][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5326.050598][ T74] netlink_rcv_skb+0x130/0x360 [ 5326.050598][ T74] netlink_unicast+0x449/0x710 [ 5326.050598][ T74] netlink_sendmsg+0x723/0xbe0 [ 5326.050598][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5326.050598][ T74] ___sys_sendmsg+0xee/0x170 [ 5326.050598][ T74] __sys_sendmsg+0xcd/0x170 [ 5326.050598][ T74] do_syscall_64+0xc6/0x1e0 [ 5326.050598][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5326.050598][ T74] [ 5326.052566][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5326.052803][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5326.052803][ T74] netdev_get_by_index+0x5e/0x80 [ 5326.052803][ T74] fib6_nh_init+0x3d8/0x1580 [ 5326.052803][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5326.052803][ T74] ip6_route_add+0x1c/0x140 [ 5326.052803][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5326.052803][ T74] inet6_addr_add+0x4f8/0xa40 [ 5326.052803][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5326.052803][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5326.052803][ T74] netlink_rcv_skb+0x130/0x360 [ 5326.052803][ T74] netlink_unicast+0x449/0x710 [ 5326.052803][ T74] netlink_sendmsg+0x723/0xbe0 [ 5326.052803][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5326.052803][ T74] ___sys_sendmsg+0xee/0x170 [ 5326.052803][ T74] __sys_sendmsg+0xcd/0x170 [ 5326.052803][ T74] do_syscall_64+0xc6/0x1e0 [ 5326.052803][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5326.052803][ T74] [ 5326.055029][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5326.055029][ T74] netdev_get_by_index+0x5e/0x80 [ 5326.055029][ T74] fib6_nh_init+0x3d8/0x1580 [ 5326.055029][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5326.055029][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5326.055029][ T74] ipv6_add_addr+0x411/0x2000 [ 5326.055029][ T74] inet6_addr_add+0x30e/0xa40 [ 5326.055029][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5326.055029][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5326.055029][ T74] netlink_rcv_skb+0x130/0x360 [ 5326.055029][ T74] netlink_unicast+0x449/0x710 [ 5326.055029][ T74] netlink_sendmsg+0x723/0xbe0 [ 5326.055029][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5326.055029][ T74] ___sys_sendmsg+0xee/0x170 [ 5326.055029][ T74] __sys_sendmsg+0xcd/0x170 [ 5326.055029][ T74] do_syscall_64+0xc6/0x1e0 [ 5326.055029][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5326.055029][ T74] [ 5326.057250][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5326.057250][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5326.057250][ T74] ipv6_find_idev+0x102/0x170 [ 5326.057250][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5326.057250][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5326.057250][ T74] netlink_rcv_skb+0x130/0x360 [ 5326.057250][ T74] netlink_unicast+0x449/0x710 [ 5326.057250][ T74] netlink_sendmsg+0x723/0xbe0 [ 5326.057250][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5326.057250][ T74] ___sys_sendmsg+0xee/0x170 [ 5326.057250][ T74] __sys_sendmsg+0xcd/0x170 [ 5326.057250][ T74] do_syscall_64+0xc6/0x1e0 [ 5326.057250][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5326.057250][ T74] [ 5326.058895][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5326.058895][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5326.058895][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5326.058895][ T74] ipv6_find_idev+0x102/0x170 [ 5326.058895][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5326.058895][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5326.058895][ T74] netlink_rcv_skb+0x130/0x360 [ 5326.058895][ T74] netlink_unicast+0x449/0x710 [ 5326.058895][ T74] netlink_sendmsg+0x723/0xbe0 [ 5326.058895][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5326.058895][ T74] ___sys_sendmsg+0xee/0x170 [ 5326.058895][ T74] __sys_sendmsg+0xcd/0x170 [ 5326.058895][ T74] do_syscall_64+0xc6/0x1e0 [ 5326.058895][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5326.058895][ T74] [ 5336.063952][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5336.064408][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5336.064408][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5336.064408][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5336.064408][ T74] fib6_nh_init+0xa22/0x1580 [ 5336.064408][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5336.064408][ T74] ip6_route_add+0x1c/0x140 [ 5336.064408][ T74] inet6_rtm_newroute+0x104/0x110 [ 5336.064408][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5336.064408][ T74] netlink_rcv_skb+0x130/0x360 [ 5336.064408][ T74] netlink_unicast+0x449/0x710 [ 5336.064408][ T74] netlink_sendmsg+0x723/0xbe0 [ 5336.064408][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5336.064408][ T74] ___sys_sendmsg+0xee/0x170 [ 5336.064408][ T74] __sys_sendmsg+0xcd/0x170 [ 5336.064408][ T74] do_syscall_64+0xc6/0x1e0 [ 5336.064408][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5336.064408][ T74] [ 5336.066393][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5336.066393][ T74] netdev_get_by_index+0x5e/0x80 [ 5336.066393][ T74] fib6_nh_init+0x3d8/0x1580 [ 5336.066393][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5336.066393][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5336.066393][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5336.066393][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5336.066393][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5336.066393][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5336.066393][ T74] addrconf_dad_begin+0x310/0x670 [ 5336.066393][ T74] addrconf_dad_work+0x10b/0xab0 [ 5336.066393][ T74] process_one_work+0x84d/0x18a0 [ 5336.066393][ T74] worker_thread+0x587/0xd30 [ 5336.066393][ T74] kthread+0x28a/0x350 [ 5336.066393][ T74] ret_from_fork+0x31/0x70 [ 5336.066393][ T74] ret_from_fork_asm+0x1a/0x30 [ 5336.066393][ T74] [ 5336.068302][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5336.068302][ T74] netdev_get_by_index+0x5e/0x80 [ 5336.068302][ T74] fib6_nh_init+0x3d8/0x1580 [ 5336.068302][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5336.068302][ T74] ip6_route_add+0x1c/0x140 [ 5336.068302][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5336.068302][ T74] inet6_addr_add+0x4f8/0xa40 [ 5336.068302][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5336.068302][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5336.068302][ T74] netlink_rcv_skb+0x130/0x360 [ 5336.068302][ T74] netlink_unicast+0x449/0x710 [ 5336.068302][ T74] netlink_sendmsg+0x723/0xbe0 [ 5336.068302][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5336.068302][ T74] ___sys_sendmsg+0xee/0x170 [ 5336.068302][ T74] __sys_sendmsg+0xcd/0x170 [ 5336.068302][ T74] do_syscall_64+0xc6/0x1e0 [ 5336.068302][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5336.068302][ T74] [ 5336.070295][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5336.070295][ T74] netdev_get_by_index+0x5e/0x80 [ 5336.070295][ T74] fib6_nh_init+0x3d8/0x1580 [ 5336.070295][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5336.070295][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5336.070295][ T74] ipv6_add_addr+0x411/0x2000 [ 5336.070295][ T74] inet6_addr_add+0x30e/0xa40 [ 5336.070295][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5336.070295][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5336.070295][ T74] netlink_rcv_skb+0x130/0x360 [ 5336.070295][ T74] netlink_unicast+0x449/0x710 [ 5336.070295][ T74] netlink_sendmsg+0x723/0xbe0 [ 5336.070295][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5336.070295][ T74] ___sys_sendmsg+0xee/0x170 [ 5336.070295][ T74] __sys_sendmsg+0xcd/0x170 [ 5336.070295][ T74] do_syscall_64+0xc6/0x1e0 [ 5336.070295][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5336.070295][ T74] [ 5336.072276][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5336.072276][ T74] netdev_get_by_index+0x5e/0x80 [ 5336.072276][ T74] fib6_nh_init+0x3d8/0x1580 [ 5336.072276][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5336.072276][ T74] ip6_route_add+0x1c/0x140 [ 5336.072276][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5336.072276][ T74] addrconf_add_dev+0xe2/0x170 [ 5336.072276][ T74] inet6_addr_add+0x12f/0xa40 [ 5336.072276][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5336.072276][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5336.072276][ T74] netlink_rcv_skb+0x130/0x360 [ 5336.072276][ T74] netlink_unicast+0x449/0x710 [ 5336.072276][ T74] netlink_sendmsg+0x723/0xbe0 [ 5336.072276][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5336.072276][ T74] ___sys_sendmsg+0xee/0x170 [ 5336.072276][ T74] __sys_sendmsg+0xcd/0x170 [ 5336.072276][ T74] do_syscall_64+0xc6/0x1e0 [ 5336.072276][ T74] [ 5336.074232][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5336.074232][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5336.074232][ T74] ipv6_find_idev+0x102/0x170 [ 5336.074232][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5336.074232][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5336.074232][ T74] netlink_rcv_skb+0x130/0x360 [ 5336.074232][ T74] netlink_unicast+0x449/0x710 [ 5336.074232][ T74] netlink_sendmsg+0x723/0xbe0 [ 5336.074232][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5336.074232][ T74] ___sys_sendmsg+0xee/0x170 [ 5336.074232][ T74] __sys_sendmsg+0xcd/0x170 [ 5336.074232][ T74] do_syscall_64+0xc6/0x1e0 [ 5336.074232][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5336.074232][ T74] [ 5336.076061][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5336.076061][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5336.076061][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5336.076061][ T74] ipv6_find_idev+0x102/0x170 [ 5336.076061][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5336.076061][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5336.076061][ T74] netlink_rcv_skb+0x130/0x360 [ 5336.076061][ T74] netlink_unicast+0x449/0x710 [ 5336.076061][ T74] netlink_sendmsg+0x723/0xbe0 [ 5336.076061][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5336.076061][ T74] ___sys_sendmsg+0xee/0x170 [ 5336.076061][ T74] __sys_sendmsg+0xcd/0x170 [ 5336.076061][ T74] do_syscall_64+0xc6/0x1e0 [ 5336.076061][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5336.076061][ T74] [ 5336.077741][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5336.078035][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5336.078035][ T74] dst_init+0x84/0x4a0 [ 5336.078035][ T74] dst_alloc+0x97/0x150 [ 5336.078035][ T74] ip6_dst_alloc+0x23/0x90 [ 5336.078035][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5336.078035][ T74] ip6_pol_route+0x56f/0x840 [ 5336.078035][ T74] fib6_rule_lookup+0x456/0x630 [ 5336.078035][ T74] ip6_route_input+0x59c/0xa50 [ 5336.078035][ T74] ipv6_rcv+0x397/0x810 [ 5336.078035][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5336.078035][ T74] process_backlog+0x101/0x620 [ 5336.078035][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5336.078035][ T74] net_rx_action+0x495/0xbe0 [ 5336.078035][ T74] __do_softirq+0x1b5/0x7f6 [ 5336.078035][ T74] [ 5336.079661][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5336.079661][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5336.079661][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5336.079661][ T74] fib6_nh_init+0xa22/0x1580 [ 5336.079661][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5336.079661][ T74] ip6_route_add+0x1c/0x140 [ 5336.079661][ T74] inet6_rtm_newroute+0x104/0x110 [ 5336.079661][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5336.079661][ T74] netlink_rcv_skb+0x130/0x360 [ 5336.079661][ T74] netlink_unicast+0x449/0x710 [ 5336.079661][ T74] netlink_sendmsg+0x723/0xbe0 [ 5336.079661][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5336.079661][ T74] ___sys_sendmsg+0xee/0x170 [ 5336.079661][ T74] __sys_sendmsg+0xcd/0x170 [ 5336.079661][ T74] do_syscall_64+0xc6/0x1e0 [ 5336.079661][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5336.079661][ T74] [ 5336.081526][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5336.081526][ T74] netdev_get_by_index+0x5e/0x80 [ 5336.081526][ T74] fib6_nh_init+0x3d8/0x1580 [ 5336.081526][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5336.081526][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5336.081526][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5336.081526][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5336.081526][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5336.081526][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5336.081526][ T74] addrconf_dad_begin+0x310/0x670 [ 5336.081526][ T74] addrconf_dad_work+0x10b/0xab0 [ 5336.081526][ T74] process_one_work+0x84d/0x18a0 [ 5336.081526][ T74] worker_thread+0x587/0xd30 [ 5336.081526][ T74] kthread+0x28a/0x350 [ 5336.081526][ T74] ret_from_fork+0x31/0x70 [ 5336.081526][ T74] ret_from_fork_asm+0x1a/0x30 [ 5336.081526][ T74] [ 5336.083435][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5336.083435][ T74] netdev_get_by_index+0x5e/0x80 [ 5336.083435][ T74] fib6_nh_init+0x3d8/0x1580 [ 5336.083435][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5336.083435][ T74] ip6_route_add+0x1c/0x140 [ 5336.083435][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5336.083435][ T74] inet6_addr_add+0x4f8/0xa40 [ 5336.083435][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5336.083435][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5336.083435][ T74] netlink_rcv_skb+0x130/0x360 [ 5336.083435][ T74] netlink_unicast+0x449/0x710 [ 5336.083435][ T74] netlink_sendmsg+0x723/0xbe0 [ 5336.083435][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5336.083435][ T74] ___sys_sendmsg+0xee/0x170 [ 5336.083435][ T74] __sys_sendmsg+0xcd/0x170 [ 5336.083435][ T74] do_syscall_64+0xc6/0x1e0 [ 5336.083435][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5336.083435][ T74] [ 5336.085442][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5336.085442][ T74] netdev_get_by_index+0x5e/0x80 [ 5336.085442][ T74] fib6_nh_init+0x3d8/0x1580 [ 5336.085442][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5336.085442][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5336.085442][ T74] ipv6_add_addr+0x411/0x2000 [ 5336.085442][ T74] inet6_addr_add+0x30e/0xa40 [ 5336.085442][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5336.085442][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5336.085442][ T74] netlink_rcv_skb+0x130/0x360 [ 5336.085442][ T74] netlink_unicast+0x449/0x710 [ 5336.085442][ T74] netlink_sendmsg+0x723/0xbe0 [ 5336.085442][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5336.085442][ T74] ___sys_sendmsg+0xee/0x170 [ 5336.085442][ T74] __sys_sendmsg+0xcd/0x170 [ 5336.085442][ T74] do_syscall_64+0xc6/0x1e0 [ 5336.085442][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5336.085442][ T74] [ 5336.087433][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5336.087433][ T74] netdev_get_by_index+0x5e/0x80 [ 5336.087433][ T74] fib6_nh_init+0x3d8/0x1580 [ 5336.087433][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5336.087433][ T74] ip6_route_add+0x1c/0x140 [ 5336.087433][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5336.087433][ T74] addrconf_add_dev+0xe2/0x170 [ 5336.087433][ T74] inet6_addr_add+0x12f/0xa40 [ 5336.087433][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5336.087433][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5336.087433][ T74] netlink_rcv_skb+0x130/0x360 [ 5336.087433][ T74] netlink_unicast+0x449/0x710 [ 5336.087433][ T74] netlink_sendmsg+0x723/0xbe0 [ 5336.087433][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5336.087433][ T74] ___sys_sendmsg+0xee/0x170 [ 5336.087433][ T74] __sys_sendmsg+0xcd/0x170 [ 5336.087433][ T74] do_syscall_64+0xc6/0x1e0 [ 5336.087433][ T74] [ 5336.089381][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5336.089381][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5336.089381][ T74] ipv6_find_idev+0x102/0x170 [ 5336.089381][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5336.089381][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5336.089381][ T74] netlink_rcv_skb+0x130/0x360 [ 5336.089381][ T74] netlink_unicast+0x449/0x710 [ 5336.089381][ T74] netlink_sendmsg+0x723/0xbe0 [ 5336.089381][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5336.089381][ T74] ___sys_sendmsg+0xee/0x170 [ 5336.089381][ T74] __sys_sendmsg+0xcd/0x170 [ 5336.089381][ T74] do_syscall_64+0xc6/0x1e0 [ 5336.089381][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5336.089381][ T74] [ 5336.091030][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5336.091030][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5336.091030][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5336.091030][ T74] ipv6_find_idev+0x102/0x170 [ 5336.091030][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5336.091030][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5336.091030][ T74] netlink_rcv_skb+0x130/0x360 [ 5336.091030][ T74] netlink_unicast+0x449/0x710 [ 5336.091030][ T74] netlink_sendmsg+0x723/0xbe0 [ 5336.091030][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5336.091030][ T74] ___sys_sendmsg+0xee/0x170 [ 5336.091030][ T74] __sys_sendmsg+0xcd/0x170 [ 5336.091030][ T74] do_syscall_64+0xc6/0x1e0 [ 5336.091030][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5336.091030][ T74] [ 5336.093006][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5336.093243][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5336.093243][ T74] netdev_get_by_index+0x5e/0x80 [ 5336.093243][ T74] fib6_nh_init+0x3d8/0x1580 [ 5336.093243][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5336.093243][ T74] ip6_route_add+0x1c/0x140 [ 5336.093243][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5336.093243][ T74] inet6_addr_add+0x4f8/0xa40 [ 5336.093243][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5336.093243][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5336.093243][ T74] netlink_rcv_skb+0x130/0x360 [ 5336.093243][ T74] netlink_unicast+0x449/0x710 [ 5336.093243][ T74] netlink_sendmsg+0x723/0xbe0 [ 5336.093243][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5336.093243][ T74] ___sys_sendmsg+0xee/0x170 [ 5336.093243][ T74] __sys_sendmsg+0xcd/0x170 [ 5336.093243][ T74] do_syscall_64+0xc6/0x1e0 [ 5336.093243][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5336.093243][ T74] [ 5336.095482][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5336.095482][ T74] netdev_get_by_index+0x5e/0x80 [ 5336.095482][ T74] fib6_nh_init+0x3d8/0x1580 [ 5336.095482][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5336.095482][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5336.095482][ T74] ipv6_add_addr+0x411/0x2000 [ 5336.095482][ T74] inet6_addr_add+0x30e/0xa40 [ 5336.095482][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5336.095482][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5336.095482][ T74] netlink_rcv_skb+0x130/0x360 [ 5336.095482][ T74] netlink_unicast+0x449/0x710 [ 5336.095482][ T74] netlink_sendmsg+0x723/0xbe0 [ 5336.095482][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5336.095482][ T74] ___sys_sendmsg+0xee/0x170 [ 5336.095482][ T74] __sys_sendmsg+0xcd/0x170 [ 5336.095482][ T74] do_syscall_64+0xc6/0x1e0 [ 5336.095482][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5336.095482][ T74] [ 5336.097700][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5336.097700][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5336.097700][ T74] ipv6_find_idev+0x102/0x170 [ 5336.097700][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5336.097700][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5336.097700][ T74] netlink_rcv_skb+0x130/0x360 [ 5336.097700][ T74] netlink_unicast+0x449/0x710 [ 5336.097700][ T74] netlink_sendmsg+0x723/0xbe0 [ 5336.097700][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5336.097700][ T74] ___sys_sendmsg+0xee/0x170 [ 5336.097700][ T74] __sys_sendmsg+0xcd/0x170 [ 5336.097700][ T74] do_syscall_64+0xc6/0x1e0 [ 5336.097700][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5336.097700][ T74] [ 5336.099353][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5336.099353][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5336.099353][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5336.099353][ T74] ipv6_find_idev+0x102/0x170 [ 5336.099353][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5336.099353][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5336.099353][ T74] netlink_rcv_skb+0x130/0x360 [ 5336.099353][ T74] netlink_unicast+0x449/0x710 [ 5336.099353][ T74] netlink_sendmsg+0x723/0xbe0 [ 5336.099353][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5336.099353][ T74] ___sys_sendmsg+0xee/0x170 [ 5336.099353][ T74] __sys_sendmsg+0xcd/0x170 [ 5336.099353][ T74] do_syscall_64+0xc6/0x1e0 [ 5336.099353][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5336.099353][ T74] [ 5346.103948][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5346.104377][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5346.104377][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5346.104377][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5346.104377][ T74] fib6_nh_init+0xa22/0x1580 [ 5346.104377][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5346.104377][ T74] ip6_route_add+0x1c/0x140 [ 5346.104377][ T74] inet6_rtm_newroute+0x104/0x110 [ 5346.104377][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5346.104377][ T74] netlink_rcv_skb+0x130/0x360 [ 5346.104377][ T74] netlink_unicast+0x449/0x710 [ 5346.104377][ T74] netlink_sendmsg+0x723/0xbe0 [ 5346.104377][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5346.104377][ T74] ___sys_sendmsg+0xee/0x170 [ 5346.104377][ T74] __sys_sendmsg+0xcd/0x170 [ 5346.104377][ T74] do_syscall_64+0xc6/0x1e0 [ 5346.104377][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5346.104377][ T74] [ 5346.106275][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5346.106275][ T74] netdev_get_by_index+0x5e/0x80 [ 5346.106275][ T74] fib6_nh_init+0x3d8/0x1580 [ 5346.106275][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5346.106275][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5346.106275][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5346.106275][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5346.106275][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5346.106275][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5346.106275][ T74] addrconf_dad_begin+0x310/0x670 [ 5346.106275][ T74] addrconf_dad_work+0x10b/0xab0 [ 5346.106275][ T74] process_one_work+0x84d/0x18a0 [ 5346.106275][ T74] worker_thread+0x587/0xd30 [ 5346.106275][ T74] kthread+0x28a/0x350 [ 5346.106275][ T74] ret_from_fork+0x31/0x70 [ 5346.106275][ T74] ret_from_fork_asm+0x1a/0x30 [ 5346.106275][ T74] [ 5346.108199][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5346.108199][ T74] netdev_get_by_index+0x5e/0x80 [ 5346.108199][ T74] fib6_nh_init+0x3d8/0x1580 [ 5346.108199][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5346.108199][ T74] ip6_route_add+0x1c/0x140 [ 5346.108199][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5346.108199][ T74] inet6_addr_add+0x4f8/0xa40 [ 5346.108199][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5346.108199][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5346.108199][ T74] netlink_rcv_skb+0x130/0x360 [ 5346.108199][ T74] netlink_unicast+0x449/0x710 [ 5346.108199][ T74] netlink_sendmsg+0x723/0xbe0 [ 5346.108199][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5346.108199][ T74] ___sys_sendmsg+0xee/0x170 [ 5346.108199][ T74] __sys_sendmsg+0xcd/0x170 [ 5346.108199][ T74] do_syscall_64+0xc6/0x1e0 [ 5346.108199][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5346.108199][ T74] [ 5346.110202][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5346.110202][ T74] netdev_get_by_index+0x5e/0x80 [ 5346.110202][ T74] fib6_nh_init+0x3d8/0x1580 [ 5346.110202][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5346.110202][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5346.110202][ T74] ipv6_add_addr+0x411/0x2000 [ 5346.110202][ T74] inet6_addr_add+0x30e/0xa40 [ 5346.110202][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5346.110202][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5346.110202][ T74] netlink_rcv_skb+0x130/0x360 [ 5346.110202][ T74] netlink_unicast+0x449/0x710 [ 5346.110202][ T74] netlink_sendmsg+0x723/0xbe0 [ 5346.110202][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5346.110202][ T74] ___sys_sendmsg+0xee/0x170 [ 5346.110202][ T74] __sys_sendmsg+0xcd/0x170 [ 5346.110202][ T74] do_syscall_64+0xc6/0x1e0 [ 5346.110202][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5346.110202][ T74] [ 5346.112218][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5346.112218][ T74] netdev_get_by_index+0x5e/0x80 [ 5346.112218][ T74] fib6_nh_init+0x3d8/0x1580 [ 5346.112218][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5346.112218][ T74] ip6_route_add+0x1c/0x140 [ 5346.112218][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5346.112218][ T74] addrconf_add_dev+0xe2/0x170 [ 5346.112218][ T74] inet6_addr_add+0x12f/0xa40 [ 5346.112218][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5346.112218][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5346.112218][ T74] netlink_rcv_skb+0x130/0x360 [ 5346.112218][ T74] netlink_unicast+0x449/0x710 [ 5346.112218][ T74] netlink_sendmsg+0x723/0xbe0 [ 5346.112218][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5346.112218][ T74] ___sys_sendmsg+0xee/0x170 [ 5346.112218][ T74] __sys_sendmsg+0xcd/0x170 [ 5346.112218][ T74] do_syscall_64+0xc6/0x1e0 [ 5346.112218][ T74] [ 5346.114190][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5346.114190][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5346.114190][ T74] ipv6_find_idev+0x102/0x170 [ 5346.114190][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5346.114190][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5346.114190][ T74] netlink_rcv_skb+0x130/0x360 [ 5346.114190][ T74] netlink_unicast+0x449/0x710 [ 5346.114190][ T74] netlink_sendmsg+0x723/0xbe0 [ 5346.114190][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5346.114190][ T74] ___sys_sendmsg+0xee/0x170 [ 5346.114190][ T74] __sys_sendmsg+0xcd/0x170 [ 5346.114190][ T74] do_syscall_64+0xc6/0x1e0 [ 5346.114190][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5346.114190][ T74] [ 5346.115749][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5346.115749][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5346.115749][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5346.115749][ T74] ipv6_find_idev+0x102/0x170 [ 5346.115749][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5346.115749][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5346.115749][ T74] netlink_rcv_skb+0x130/0x360 [ 5346.115749][ T74] netlink_unicast+0x449/0x710 [ 5346.115749][ T74] netlink_sendmsg+0x723/0xbe0 [ 5346.115749][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5346.115749][ T74] ___sys_sendmsg+0xee/0x170 [ 5346.115749][ T74] __sys_sendmsg+0xcd/0x170 [ 5346.115749][ T74] do_syscall_64+0xc6/0x1e0 [ 5346.115749][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5346.115749][ T74] [ 5346.117437][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5346.117714][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5346.117714][ T74] dst_init+0x84/0x4a0 [ 5346.117714][ T74] dst_alloc+0x97/0x150 [ 5346.117714][ T74] ip6_dst_alloc+0x23/0x90 [ 5346.117714][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5346.117714][ T74] ip6_pol_route+0x56f/0x840 [ 5346.117714][ T74] fib6_rule_lookup+0x456/0x630 [ 5346.117714][ T74] ip6_route_input+0x59c/0xa50 [ 5346.117714][ T74] ipv6_rcv+0x397/0x810 [ 5346.117714][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5346.117714][ T74] process_backlog+0x101/0x620 [ 5346.117714][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5346.117714][ T74] net_rx_action+0x495/0xbe0 [ 5346.117714][ T74] __do_softirq+0x1b5/0x7f6 [ 5346.117714][ T74] [ 5346.119458][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5346.119458][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5346.119458][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5346.119458][ T74] fib6_nh_init+0xa22/0x1580 [ 5346.119458][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5346.119458][ T74] ip6_route_add+0x1c/0x140 [ 5346.119458][ T74] inet6_rtm_newroute+0x104/0x110 [ 5346.119458][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5346.119458][ T74] netlink_rcv_skb+0x130/0x360 [ 5346.119458][ T74] netlink_unicast+0x449/0x710 [ 5346.119458][ T74] netlink_sendmsg+0x723/0xbe0 [ 5346.119458][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5346.119458][ T74] ___sys_sendmsg+0xee/0x170 [ 5346.119458][ T74] __sys_sendmsg+0xcd/0x170 [ 5346.119458][ T74] do_syscall_64+0xc6/0x1e0 [ 5346.119458][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5346.119458][ T74] [ 5346.121331][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5346.121331][ T74] netdev_get_by_index+0x5e/0x80 [ 5346.121331][ T74] fib6_nh_init+0x3d8/0x1580 [ 5346.121331][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5346.121331][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5346.121331][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5346.121331][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5346.121331][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5346.121331][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5346.121331][ T74] addrconf_dad_begin+0x310/0x670 [ 5346.121331][ T74] addrconf_dad_work+0x10b/0xab0 [ 5346.121331][ T74] process_one_work+0x84d/0x18a0 [ 5346.121331][ T74] worker_thread+0x587/0xd30 [ 5346.121331][ T74] kthread+0x28a/0x350 [ 5346.121331][ T74] ret_from_fork+0x31/0x70 [ 5346.121331][ T74] ret_from_fork_asm+0x1a/0x30 [ 5346.121331][ T74] [ 5346.123236][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5346.123236][ T74] netdev_get_by_index+0x5e/0x80 [ 5346.123236][ T74] fib6_nh_init+0x3d8/0x1580 [ 5346.123236][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5346.123236][ T74] ip6_route_add+0x1c/0x140 [ 5346.123236][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5346.123236][ T74] inet6_addr_add+0x4f8/0xa40 [ 5346.123236][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5346.123236][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5346.123236][ T74] netlink_rcv_skb+0x130/0x360 [ 5346.123236][ T74] netlink_unicast+0x449/0x710 [ 5346.123236][ T74] netlink_sendmsg+0x723/0xbe0 [ 5346.123236][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5346.123236][ T74] ___sys_sendmsg+0xee/0x170 [ 5346.123236][ T74] __sys_sendmsg+0xcd/0x170 [ 5346.123236][ T74] do_syscall_64+0xc6/0x1e0 [ 5346.123236][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5346.123236][ T74] [ 5346.125233][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5346.125233][ T74] netdev_get_by_index+0x5e/0x80 [ 5346.125233][ T74] fib6_nh_init+0x3d8/0x1580 [ 5346.125233][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5346.125233][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5346.125233][ T74] ipv6_add_addr+0x411/0x2000 [ 5346.125233][ T74] inet6_addr_add+0x30e/0xa40 [ 5346.125233][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5346.125233][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5346.125233][ T74] netlink_rcv_skb+0x130/0x360 [ 5346.125233][ T74] netlink_unicast+0x449/0x710 [ 5346.125233][ T74] netlink_sendmsg+0x723/0xbe0 [ 5346.125233][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5346.125233][ T74] ___sys_sendmsg+0xee/0x170 [ 5346.125233][ T74] __sys_sendmsg+0xcd/0x170 [ 5346.125233][ T74] do_syscall_64+0xc6/0x1e0 [ 5346.125233][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5346.125233][ T74] [ 5346.127233][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5346.127233][ T74] netdev_get_by_index+0x5e/0x80 [ 5346.127233][ T74] fib6_nh_init+0x3d8/0x1580 [ 5346.127233][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5346.127233][ T74] ip6_route_add+0x1c/0x140 [ 5346.127233][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5346.127233][ T74] addrconf_add_dev+0xe2/0x170 [ 5346.127233][ T74] inet6_addr_add+0x12f/0xa40 [ 5346.127233][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5346.127233][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5346.127233][ T74] netlink_rcv_skb+0x130/0x360 [ 5346.127233][ T74] netlink_unicast+0x449/0x710 [ 5346.127233][ T74] netlink_sendmsg+0x723/0xbe0 [ 5346.127233][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5346.127233][ T74] ___sys_sendmsg+0xee/0x170 [ 5346.127233][ T74] __sys_sendmsg+0xcd/0x170 [ 5346.127233][ T74] do_syscall_64+0xc6/0x1e0 [ 5346.127233][ T74] [ 5346.129194][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5346.129194][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5346.129194][ T74] ipv6_find_idev+0x102/0x170 [ 5346.129194][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5346.129194][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5346.129194][ T74] netlink_rcv_skb+0x130/0x360 [ 5346.129194][ T74] netlink_unicast+0x449/0x710 [ 5346.129194][ T74] netlink_sendmsg+0x723/0xbe0 [ 5346.129194][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5346.129194][ T74] ___sys_sendmsg+0xee/0x170 [ 5346.129194][ T74] __sys_sendmsg+0xcd/0x170 [ 5346.129194][ T74] do_syscall_64+0xc6/0x1e0 [ 5346.129194][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5346.129194][ T74] [ 5346.130853][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5346.130853][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5346.130853][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5346.130853][ T74] ipv6_find_idev+0x102/0x170 [ 5346.130853][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5346.130853][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5346.130853][ T74] netlink_rcv_skb+0x130/0x360 [ 5346.130853][ T74] netlink_unicast+0x449/0x710 [ 5346.130853][ T74] netlink_sendmsg+0x723/0xbe0 [ 5346.130853][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5346.130853][ T74] ___sys_sendmsg+0xee/0x170 [ 5346.130853][ T74] __sys_sendmsg+0xcd/0x170 [ 5346.130853][ T74] do_syscall_64+0xc6/0x1e0 [ 5346.130853][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5346.130853][ T74] [ 5346.132759][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5346.133068][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5346.133068][ T74] netdev_get_by_index+0x5e/0x80 [ 5346.133068][ T74] fib6_nh_init+0x3d8/0x1580 [ 5346.133068][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5346.133068][ T74] ip6_route_add+0x1c/0x140 [ 5346.133068][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5346.133068][ T74] inet6_addr_add+0x4f8/0xa40 [ 5346.133068][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5346.133068][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5346.133068][ T74] netlink_rcv_skb+0x130/0x360 [ 5346.133068][ T74] netlink_unicast+0x449/0x710 [ 5346.133068][ T74] netlink_sendmsg+0x723/0xbe0 [ 5346.133068][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5346.133068][ T74] ___sys_sendmsg+0xee/0x170 [ 5346.133068][ T74] __sys_sendmsg+0xcd/0x170 [ 5346.133068][ T74] do_syscall_64+0xc6/0x1e0 [ 5346.133068][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5346.133068][ T74] [ 5346.135269][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5346.135269][ T74] netdev_get_by_index+0x5e/0x80 [ 5346.135269][ T74] fib6_nh_init+0x3d8/0x1580 [ 5346.135269][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5346.135269][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5346.135269][ T74] ipv6_add_addr+0x411/0x2000 [ 5346.135269][ T74] inet6_addr_add+0x30e/0xa40 [ 5346.135269][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5346.135269][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5346.135269][ T74] netlink_rcv_skb+0x130/0x360 [ 5346.135269][ T74] netlink_unicast+0x449/0x710 [ 5346.135269][ T74] netlink_sendmsg+0x723/0xbe0 [ 5346.135269][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5346.135269][ T74] ___sys_sendmsg+0xee/0x170 [ 5346.135269][ T74] __sys_sendmsg+0xcd/0x170 [ 5346.135269][ T74] do_syscall_64+0xc6/0x1e0 [ 5346.135269][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5346.135269][ T74] [ 5346.137492][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5346.137492][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5346.137492][ T74] ipv6_find_idev+0x102/0x170 [ 5346.137492][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5346.137492][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5346.137492][ T74] netlink_rcv_skb+0x130/0x360 [ 5346.137492][ T74] netlink_unicast+0x449/0x710 [ 5346.137492][ T74] netlink_sendmsg+0x723/0xbe0 [ 5346.137492][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5346.137492][ T74] ___sys_sendmsg+0xee/0x170 [ 5346.137492][ T74] __sys_sendmsg+0xcd/0x170 [ 5346.137492][ T74] do_syscall_64+0xc6/0x1e0 [ 5346.137492][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5346.137492][ T74] [ 5346.139203][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5346.139203][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5346.139203][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5346.139203][ T74] ipv6_find_idev+0x102/0x170 [ 5346.139203][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5346.139203][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5346.139203][ T74] netlink_rcv_skb+0x130/0x360 [ 5346.139203][ T74] netlink_unicast+0x449/0x710 [ 5346.139203][ T74] netlink_sendmsg+0x723/0xbe0 [ 5346.139203][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5346.139203][ T74] ___sys_sendmsg+0xee/0x170 [ 5346.139203][ T74] __sys_sendmsg+0xcd/0x170 [ 5346.139203][ T74] do_syscall_64+0xc6/0x1e0 [ 5346.139203][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5346.139203][ T74] [ 5356.383894][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5356.384325][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5356.384325][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5356.384325][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5356.384325][ T74] fib6_nh_init+0xa22/0x1580 [ 5356.384325][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5356.384325][ T74] ip6_route_add+0x1c/0x140 [ 5356.384325][ T74] inet6_rtm_newroute+0x104/0x110 [ 5356.384325][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5356.384325][ T74] netlink_rcv_skb+0x130/0x360 [ 5356.384325][ T74] netlink_unicast+0x449/0x710 [ 5356.384325][ T74] netlink_sendmsg+0x723/0xbe0 [ 5356.384325][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5356.384325][ T74] ___sys_sendmsg+0xee/0x170 [ 5356.384325][ T74] __sys_sendmsg+0xcd/0x170 [ 5356.384325][ T74] do_syscall_64+0xc6/0x1e0 [ 5356.384325][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5356.384325][ T74] [ 5356.386228][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5356.386228][ T74] netdev_get_by_index+0x5e/0x80 [ 5356.386228][ T74] fib6_nh_init+0x3d8/0x1580 [ 5356.386228][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5356.386228][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5356.386228][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5356.386228][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5356.386228][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5356.386228][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5356.386228][ T74] addrconf_dad_begin+0x310/0x670 [ 5356.386228][ T74] addrconf_dad_work+0x10b/0xab0 [ 5356.386228][ T74] process_one_work+0x84d/0x18a0 [ 5356.386228][ T74] worker_thread+0x587/0xd30 [ 5356.386228][ T74] kthread+0x28a/0x350 [ 5356.386228][ T74] ret_from_fork+0x31/0x70 [ 5356.386228][ T74] ret_from_fork_asm+0x1a/0x30 [ 5356.386228][ T74] [ 5356.388144][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5356.388144][ T74] netdev_get_by_index+0x5e/0x80 [ 5356.388144][ T74] fib6_nh_init+0x3d8/0x1580 [ 5356.388144][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5356.388144][ T74] ip6_route_add+0x1c/0x140 [ 5356.388144][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5356.388144][ T74] inet6_addr_add+0x4f8/0xa40 [ 5356.388144][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5356.388144][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5356.388144][ T74] netlink_rcv_skb+0x130/0x360 [ 5356.388144][ T74] netlink_unicast+0x449/0x710 [ 5356.388144][ T74] netlink_sendmsg+0x723/0xbe0 [ 5356.388144][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5356.388144][ T74] ___sys_sendmsg+0xee/0x170 [ 5356.388144][ T74] __sys_sendmsg+0xcd/0x170 [ 5356.388144][ T74] do_syscall_64+0xc6/0x1e0 [ 5356.388144][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5356.388144][ T74] [ 5356.390152][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5356.390152][ T74] netdev_get_by_index+0x5e/0x80 [ 5356.390152][ T74] fib6_nh_init+0x3d8/0x1580 [ 5356.390152][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5356.390152][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5356.390152][ T74] ipv6_add_addr+0x411/0x2000 [ 5356.390152][ T74] inet6_addr_add+0x30e/0xa40 [ 5356.390152][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5356.390152][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5356.390152][ T74] netlink_rcv_skb+0x130/0x360 [ 5356.390152][ T74] netlink_unicast+0x449/0x710 [ 5356.390152][ T74] netlink_sendmsg+0x723/0xbe0 [ 5356.390152][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5356.390152][ T74] ___sys_sendmsg+0xee/0x170 [ 5356.390152][ T74] __sys_sendmsg+0xcd/0x170 [ 5356.390152][ T74] do_syscall_64+0xc6/0x1e0 [ 5356.390152][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5356.390152][ T74] [ 5356.392183][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5356.392183][ T74] netdev_get_by_index+0x5e/0x80 [ 5356.392183][ T74] fib6_nh_init+0x3d8/0x1580 [ 5356.392183][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5356.392183][ T74] ip6_route_add+0x1c/0x140 [ 5356.392183][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5356.392183][ T74] addrconf_add_dev+0xe2/0x170 [ 5356.392183][ T74] inet6_addr_add+0x12f/0xa40 [ 5356.392183][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5356.392183][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5356.392183][ T74] netlink_rcv_skb+0x130/0x360 [ 5356.392183][ T74] netlink_unicast+0x449/0x710 [ 5356.392183][ T74] netlink_sendmsg+0x723/0xbe0 [ 5356.392183][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5356.392183][ T74] ___sys_sendmsg+0xee/0x170 [ 5356.392183][ T74] __sys_sendmsg+0xcd/0x170 [ 5356.392183][ T74] do_syscall_64+0xc6/0x1e0 [ 5356.392183][ T74] [ 5356.394169][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5356.394169][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5356.394169][ T74] ipv6_find_idev+0x102/0x170 [ 5356.394169][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5356.394169][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5356.394169][ T74] netlink_rcv_skb+0x130/0x360 [ 5356.394169][ T74] netlink_unicast+0x449/0x710 [ 5356.394169][ T74] netlink_sendmsg+0x723/0xbe0 [ 5356.394169][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5356.394169][ T74] ___sys_sendmsg+0xee/0x170 [ 5356.394169][ T74] __sys_sendmsg+0xcd/0x170 [ 5356.394169][ T74] do_syscall_64+0xc6/0x1e0 [ 5356.394169][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5356.394169][ T74] [ 5356.395707][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5356.395707][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5356.395707][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5356.395707][ T74] ipv6_find_idev+0x102/0x170 [ 5356.395707][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5356.395707][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5356.395707][ T74] netlink_rcv_skb+0x130/0x360 [ 5356.395707][ T74] netlink_unicast+0x449/0x710 [ 5356.395707][ T74] netlink_sendmsg+0x723/0xbe0 [ 5356.395707][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5356.395707][ T74] ___sys_sendmsg+0xee/0x170 [ 5356.395707][ T74] __sys_sendmsg+0xcd/0x170 [ 5356.395707][ T74] do_syscall_64+0xc6/0x1e0 [ 5356.395707][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5356.395707][ T74] [ 5356.397394][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5356.397670][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5356.397670][ T74] dst_init+0x84/0x4a0 [ 5356.397670][ T74] dst_alloc+0x97/0x150 [ 5356.397670][ T74] ip6_dst_alloc+0x23/0x90 [ 5356.397670][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5356.397670][ T74] ip6_pol_route+0x56f/0x840 [ 5356.397670][ T74] fib6_rule_lookup+0x456/0x630 [ 5356.397670][ T74] ip6_route_input+0x59c/0xa50 [ 5356.397670][ T74] ipv6_rcv+0x397/0x810 [ 5356.397670][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5356.397670][ T74] process_backlog+0x101/0x620 [ 5356.397670][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5356.397670][ T74] net_rx_action+0x495/0xbe0 [ 5356.397670][ T74] __do_softirq+0x1b5/0x7f6 [ 5356.397670][ T74] [ 5356.399298][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5356.399298][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5356.399298][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5356.399298][ T74] fib6_nh_init+0xa22/0x1580 [ 5356.399298][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5356.399298][ T74] ip6_route_add+0x1c/0x140 [ 5356.399298][ T74] inet6_rtm_newroute+0x104/0x110 [ 5356.399298][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5356.399298][ T74] netlink_rcv_skb+0x130/0x360 [ 5356.399298][ T74] netlink_unicast+0x449/0x710 [ 5356.399298][ T74] netlink_sendmsg+0x723/0xbe0 [ 5356.399298][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5356.399298][ T74] ___sys_sendmsg+0xee/0x170 [ 5356.399298][ T74] __sys_sendmsg+0xcd/0x170 [ 5356.399298][ T74] do_syscall_64+0xc6/0x1e0 [ 5356.399298][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5356.399298][ T74] [ 5356.401167][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5356.401167][ T74] netdev_get_by_index+0x5e/0x80 [ 5356.401167][ T74] fib6_nh_init+0x3d8/0x1580 [ 5356.401167][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5356.401167][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5356.401167][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5356.401167][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5356.401167][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5356.401167][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5356.401167][ T74] addrconf_dad_begin+0x310/0x670 [ 5356.401167][ T74] addrconf_dad_work+0x10b/0xab0 [ 5356.401167][ T74] process_one_work+0x84d/0x18a0 [ 5356.401167][ T74] worker_thread+0x587/0xd30 [ 5356.401167][ T74] kthread+0x28a/0x350 [ 5356.401167][ T74] ret_from_fork+0x31/0x70 [ 5356.401167][ T74] ret_from_fork_asm+0x1a/0x30 [ 5356.401167][ T74] [ 5356.403078][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5356.403078][ T74] netdev_get_by_index+0x5e/0x80 [ 5356.403078][ T74] fib6_nh_init+0x3d8/0x1580 [ 5356.403078][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5356.403078][ T74] ip6_route_add+0x1c/0x140 [ 5356.403078][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5356.403078][ T74] inet6_addr_add+0x4f8/0xa40 [ 5356.403078][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5356.403078][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5356.403078][ T74] netlink_rcv_skb+0x130/0x360 [ 5356.403078][ T74] netlink_unicast+0x449/0x710 [ 5356.403078][ T74] netlink_sendmsg+0x723/0xbe0 [ 5356.403078][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5356.403078][ T74] ___sys_sendmsg+0xee/0x170 [ 5356.403078][ T74] __sys_sendmsg+0xcd/0x170 [ 5356.403078][ T74] do_syscall_64+0xc6/0x1e0 [ 5356.403078][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5356.403078][ T74] [ 5356.405098][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5356.405098][ T74] netdev_get_by_index+0x5e/0x80 [ 5356.405098][ T74] fib6_nh_init+0x3d8/0x1580 [ 5356.405098][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5356.405098][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5356.405098][ T74] ipv6_add_addr+0x411/0x2000 [ 5356.405098][ T74] inet6_addr_add+0x30e/0xa40 [ 5356.405098][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5356.405098][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5356.405098][ T74] netlink_rcv_skb+0x130/0x360 [ 5356.405098][ T74] netlink_unicast+0x449/0x710 [ 5356.405098][ T74] netlink_sendmsg+0x723/0xbe0 [ 5356.405098][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5356.405098][ T74] ___sys_sendmsg+0xee/0x170 [ 5356.405098][ T74] __sys_sendmsg+0xcd/0x170 [ 5356.405098][ T74] do_syscall_64+0xc6/0x1e0 [ 5356.405098][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5356.405098][ T74] [ 5356.407088][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5356.407088][ T74] netdev_get_by_index+0x5e/0x80 [ 5356.407088][ T74] fib6_nh_init+0x3d8/0x1580 [ 5356.407088][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5356.407088][ T74] ip6_route_add+0x1c/0x140 [ 5356.407088][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5356.407088][ T74] addrconf_add_dev+0xe2/0x170 [ 5356.407088][ T74] inet6_addr_add+0x12f/0xa40 [ 5356.407088][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5356.407088][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5356.407088][ T74] netlink_rcv_skb+0x130/0x360 [ 5356.407088][ T74] netlink_unicast+0x449/0x710 [ 5356.407088][ T74] netlink_sendmsg+0x723/0xbe0 [ 5356.407088][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5356.407088][ T74] ___sys_sendmsg+0xee/0x170 [ 5356.407088][ T74] __sys_sendmsg+0xcd/0x170 [ 5356.407088][ T74] do_syscall_64+0xc6/0x1e0 [ 5356.407088][ T74] [ 5356.409048][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5356.409048][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5356.409048][ T74] ipv6_find_idev+0x102/0x170 [ 5356.409048][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5356.409048][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5356.409048][ T74] netlink_rcv_skb+0x130/0x360 [ 5356.409048][ T74] netlink_unicast+0x449/0x710 [ 5356.409048][ T74] netlink_sendmsg+0x723/0xbe0 [ 5356.409048][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5356.409048][ T74] ___sys_sendmsg+0xee/0x170 [ 5356.409048][ T74] __sys_sendmsg+0xcd/0x170 [ 5356.409048][ T74] do_syscall_64+0xc6/0x1e0 [ 5356.409048][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5356.409048][ T74] [ 5356.410698][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5356.410698][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5356.410698][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5356.410698][ T74] ipv6_find_idev+0x102/0x170 [ 5356.410698][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5356.410698][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5356.410698][ T74] netlink_rcv_skb+0x130/0x360 [ 5356.410698][ T74] netlink_unicast+0x449/0x710 [ 5356.410698][ T74] netlink_sendmsg+0x723/0xbe0 [ 5356.410698][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5356.410698][ T74] ___sys_sendmsg+0xee/0x170 [ 5356.410698][ T74] __sys_sendmsg+0xcd/0x170 [ 5356.410698][ T74] do_syscall_64+0xc6/0x1e0 [ 5356.410698][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5356.410698][ T74] [ 5356.412613][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5356.412921][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5356.412921][ T74] netdev_get_by_index+0x5e/0x80 [ 5356.412921][ T74] fib6_nh_init+0x3d8/0x1580 [ 5356.412921][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5356.412921][ T74] ip6_route_add+0x1c/0x140 [ 5356.412921][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5356.412921][ T74] inet6_addr_add+0x4f8/0xa40 [ 5356.412921][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5356.412921][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5356.412921][ T74] netlink_rcv_skb+0x130/0x360 [ 5356.412921][ T74] netlink_unicast+0x449/0x710 [ 5356.412921][ T74] netlink_sendmsg+0x723/0xbe0 [ 5356.412921][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5356.412921][ T74] ___sys_sendmsg+0xee/0x170 [ 5356.412921][ T74] __sys_sendmsg+0xcd/0x170 [ 5356.412921][ T74] do_syscall_64+0xc6/0x1e0 [ 5356.412921][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5356.412921][ T74] [ 5356.415039][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5356.415039][ T74] netdev_get_by_index+0x5e/0x80 [ 5356.415039][ T74] fib6_nh_init+0x3d8/0x1580 [ 5356.415039][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5356.415039][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5356.415039][ T74] ipv6_add_addr+0x411/0x2000 [ 5356.415039][ T74] inet6_addr_add+0x30e/0xa40 [ 5356.415039][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5356.415039][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5356.415039][ T74] netlink_rcv_skb+0x130/0x360 [ 5356.415039][ T74] netlink_unicast+0x449/0x710 [ 5356.415039][ T74] netlink_sendmsg+0x723/0xbe0 [ 5356.415039][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5356.415039][ T74] ___sys_sendmsg+0xee/0x170 [ 5356.415039][ T74] __sys_sendmsg+0xcd/0x170 [ 5356.415039][ T74] do_syscall_64+0xc6/0x1e0 [ 5356.415039][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5356.415039][ T74] [ 5356.417263][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5356.417263][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5356.417263][ T74] ipv6_find_idev+0x102/0x170 [ 5356.417263][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5356.417263][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5356.417263][ T74] netlink_rcv_skb+0x130/0x360 [ 5356.417263][ T74] netlink_unicast+0x449/0x710 [ 5356.417263][ T74] netlink_sendmsg+0x723/0xbe0 [ 5356.417263][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5356.417263][ T74] ___sys_sendmsg+0xee/0x170 [ 5356.417263][ T74] __sys_sendmsg+0xcd/0x170 [ 5356.417263][ T74] do_syscall_64+0xc6/0x1e0 [ 5356.417263][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5356.417263][ T74] [ 5356.418935][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5356.418935][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5356.418935][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5356.418935][ T74] ipv6_find_idev+0x102/0x170 [ 5356.418935][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5356.418935][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5356.418935][ T74] netlink_rcv_skb+0x130/0x360 [ 5356.418935][ T74] netlink_unicast+0x449/0x710 [ 5356.418935][ T74] netlink_sendmsg+0x723/0xbe0 [ 5356.418935][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5356.418935][ T74] ___sys_sendmsg+0xee/0x170 [ 5356.418935][ T74] __sys_sendmsg+0xcd/0x170 [ 5356.418935][ T74] do_syscall_64+0xc6/0x1e0 [ 5356.418935][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5356.418935][ T74] [ 5366.479953][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5366.480384][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5366.480384][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5366.480384][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5366.480384][ T74] fib6_nh_init+0xa22/0x1580 [ 5366.480384][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5366.480384][ T74] ip6_route_add+0x1c/0x140 [ 5366.480384][ T74] inet6_rtm_newroute+0x104/0x110 [ 5366.480384][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5366.480384][ T74] netlink_rcv_skb+0x130/0x360 [ 5366.480384][ T74] netlink_unicast+0x449/0x710 [ 5366.480384][ T74] netlink_sendmsg+0x723/0xbe0 [ 5366.480384][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5366.480384][ T74] ___sys_sendmsg+0xee/0x170 [ 5366.480384][ T74] __sys_sendmsg+0xcd/0x170 [ 5366.480384][ T74] do_syscall_64+0xc6/0x1e0 [ 5366.480384][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5366.480384][ T74] [ 5366.482276][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5366.482276][ T74] netdev_get_by_index+0x5e/0x80 [ 5366.482276][ T74] fib6_nh_init+0x3d8/0x1580 [ 5366.482276][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5366.482276][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5366.482276][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5366.482276][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5366.482276][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5366.482276][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5366.482276][ T74] addrconf_dad_begin+0x310/0x670 [ 5366.482276][ T74] addrconf_dad_work+0x10b/0xab0 [ 5366.482276][ T74] process_one_work+0x84d/0x18a0 [ 5366.482276][ T74] worker_thread+0x587/0xd30 [ 5366.482276][ T74] kthread+0x28a/0x350 [ 5366.482276][ T74] ret_from_fork+0x31/0x70 [ 5366.482276][ T74] ret_from_fork_asm+0x1a/0x30 [ 5366.482276][ T74] [ 5366.484203][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5366.484203][ T74] netdev_get_by_index+0x5e/0x80 [ 5366.484203][ T74] fib6_nh_init+0x3d8/0x1580 [ 5366.484203][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5366.484203][ T74] ip6_route_add+0x1c/0x140 [ 5366.484203][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5366.484203][ T74] inet6_addr_add+0x4f8/0xa40 [ 5366.484203][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5366.484203][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5366.484203][ T74] netlink_rcv_skb+0x130/0x360 [ 5366.484203][ T74] netlink_unicast+0x449/0x710 [ 5366.484203][ T74] netlink_sendmsg+0x723/0xbe0 [ 5366.484203][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5366.484203][ T74] ___sys_sendmsg+0xee/0x170 [ 5366.484203][ T74] __sys_sendmsg+0xcd/0x170 [ 5366.484203][ T74] do_syscall_64+0xc6/0x1e0 [ 5366.484203][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5366.484203][ T74] [ 5366.486191][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5366.486191][ T74] netdev_get_by_index+0x5e/0x80 [ 5366.486191][ T74] fib6_nh_init+0x3d8/0x1580 [ 5366.486191][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5366.486191][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5366.486191][ T74] ipv6_add_addr+0x411/0x2000 [ 5366.486191][ T74] inet6_addr_add+0x30e/0xa40 [ 5366.486191][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5366.486191][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5366.486191][ T74] netlink_rcv_skb+0x130/0x360 [ 5366.486191][ T74] netlink_unicast+0x449/0x710 [ 5366.486191][ T74] netlink_sendmsg+0x723/0xbe0 [ 5366.486191][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5366.486191][ T74] ___sys_sendmsg+0xee/0x170 [ 5366.486191][ T74] __sys_sendmsg+0xcd/0x170 [ 5366.486191][ T74] do_syscall_64+0xc6/0x1e0 [ 5366.486191][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5366.486191][ T74] [ 5366.488190][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5366.488190][ T74] netdev_get_by_index+0x5e/0x80 [ 5366.488190][ T74] fib6_nh_init+0x3d8/0x1580 [ 5366.488190][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5366.488190][ T74] ip6_route_add+0x1c/0x140 [ 5366.488190][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5366.488190][ T74] addrconf_add_dev+0xe2/0x170 [ 5366.488190][ T74] inet6_addr_add+0x12f/0xa40 [ 5366.488190][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5366.488190][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5366.488190][ T74] netlink_rcv_skb+0x130/0x360 [ 5366.488190][ T74] netlink_unicast+0x449/0x710 [ 5366.488190][ T74] netlink_sendmsg+0x723/0xbe0 [ 5366.488190][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5366.488190][ T74] ___sys_sendmsg+0xee/0x170 [ 5366.488190][ T74] __sys_sendmsg+0xcd/0x170 [ 5366.488190][ T74] do_syscall_64+0xc6/0x1e0 [ 5366.488190][ T74] [ 5366.490157][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5366.490157][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5366.490157][ T74] ipv6_find_idev+0x102/0x170 [ 5366.490157][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5366.490157][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5366.490157][ T74] netlink_rcv_skb+0x130/0x360 [ 5366.490157][ T74] netlink_unicast+0x449/0x710 [ 5366.490157][ T74] netlink_sendmsg+0x723/0xbe0 [ 5366.490157][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5366.490157][ T74] ___sys_sendmsg+0xee/0x170 [ 5366.490157][ T74] __sys_sendmsg+0xcd/0x170 [ 5366.490157][ T74] do_syscall_64+0xc6/0x1e0 [ 5366.490157][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5366.490157][ T74] [ 5366.491701][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5366.491701][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5366.491701][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5366.491701][ T74] ipv6_find_idev+0x102/0x170 [ 5366.491701][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5366.491701][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5366.491701][ T74] netlink_rcv_skb+0x130/0x360 [ 5366.491701][ T74] netlink_unicast+0x449/0x710 [ 5366.491701][ T74] netlink_sendmsg+0x723/0xbe0 [ 5366.491701][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5366.491701][ T74] ___sys_sendmsg+0xee/0x170 [ 5366.491701][ T74] __sys_sendmsg+0xcd/0x170 [ 5366.491701][ T74] do_syscall_64+0xc6/0x1e0 [ 5366.491701][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5366.491701][ T74] [ 5366.493384][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5366.493659][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5366.493659][ T74] dst_init+0x84/0x4a0 [ 5366.493659][ T74] dst_alloc+0x97/0x150 [ 5366.493659][ T74] ip6_dst_alloc+0x23/0x90 [ 5366.493659][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5366.493659][ T74] ip6_pol_route+0x56f/0x840 [ 5366.493659][ T74] fib6_rule_lookup+0x456/0x630 [ 5366.493659][ T74] ip6_route_input+0x59c/0xa50 [ 5366.493659][ T74] ipv6_rcv+0x397/0x810 [ 5366.493659][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5366.493659][ T74] process_backlog+0x101/0x620 [ 5366.493659][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5366.493659][ T74] net_rx_action+0x495/0xbe0 [ 5366.493659][ T74] __do_softirq+0x1b5/0x7f6 [ 5366.493659][ T74] [ 5366.495287][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5366.495287][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5366.495287][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5366.495287][ T74] fib6_nh_init+0xa22/0x1580 [ 5366.495287][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5366.495287][ T74] ip6_route_add+0x1c/0x140 [ 5366.495287][ T74] inet6_rtm_newroute+0x104/0x110 [ 5366.495287][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5366.495287][ T74] netlink_rcv_skb+0x130/0x360 [ 5366.495287][ T74] netlink_unicast+0x449/0x710 [ 5366.495287][ T74] netlink_sendmsg+0x723/0xbe0 [ 5366.495287][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5366.495287][ T74] ___sys_sendmsg+0xee/0x170 [ 5366.495287][ T74] __sys_sendmsg+0xcd/0x170 [ 5366.495287][ T74] do_syscall_64+0xc6/0x1e0 [ 5366.495287][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5366.495287][ T74] [ 5366.497164][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5366.497164][ T74] netdev_get_by_index+0x5e/0x80 [ 5366.497164][ T74] fib6_nh_init+0x3d8/0x1580 [ 5366.497164][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5366.497164][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5366.497164][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5366.497164][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5366.497164][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5366.497164][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5366.497164][ T74] addrconf_dad_begin+0x310/0x670 [ 5366.497164][ T74] addrconf_dad_work+0x10b/0xab0 [ 5366.497164][ T74] process_one_work+0x84d/0x18a0 [ 5366.497164][ T74] worker_thread+0x587/0xd30 [ 5366.497164][ T74] kthread+0x28a/0x350 [ 5366.497164][ T74] ret_from_fork+0x31/0x70 [ 5366.497164][ T74] ret_from_fork_asm+0x1a/0x30 [ 5366.497164][ T74] [ 5366.499059][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5366.499059][ T74] netdev_get_by_index+0x5e/0x80 [ 5366.499059][ T74] fib6_nh_init+0x3d8/0x1580 [ 5366.499059][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5366.499059][ T74] ip6_route_add+0x1c/0x140 [ 5366.499059][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5366.499059][ T74] inet6_addr_add+0x4f8/0xa40 [ 5366.499059][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5366.499059][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5366.499059][ T74] netlink_rcv_skb+0x130/0x360 [ 5366.499059][ T74] netlink_unicast+0x449/0x710 [ 5366.499059][ T74] netlink_sendmsg+0x723/0xbe0 [ 5366.499059][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5366.499059][ T74] ___sys_sendmsg+0xee/0x170 [ 5366.499059][ T74] __sys_sendmsg+0xcd/0x170 [ 5366.499059][ T74] do_syscall_64+0xc6/0x1e0 [ 5366.499059][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5366.499059][ T74] [ 5366.501059][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5366.501059][ T74] netdev_get_by_index+0x5e/0x80 [ 5366.501059][ T74] fib6_nh_init+0x3d8/0x1580 [ 5366.501059][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5366.501059][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5366.501059][ T74] ipv6_add_addr+0x411/0x2000 [ 5366.501059][ T74] inet6_addr_add+0x30e/0xa40 [ 5366.501059][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5366.501059][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5366.501059][ T74] netlink_rcv_skb+0x130/0x360 [ 5366.501059][ T74] netlink_unicast+0x449/0x710 [ 5366.501059][ T74] netlink_sendmsg+0x723/0xbe0 [ 5366.501059][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5366.501059][ T74] ___sys_sendmsg+0xee/0x170 [ 5366.501059][ T74] __sys_sendmsg+0xcd/0x170 [ 5366.501059][ T74] do_syscall_64+0xc6/0x1e0 [ 5366.501059][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5366.501059][ T74] [ 5366.503167][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5366.503167][ T74] netdev_get_by_index+0x5e/0x80 [ 5366.503167][ T74] fib6_nh_init+0x3d8/0x1580 [ 5366.503167][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5366.503167][ T74] ip6_route_add+0x1c/0x140 [ 5366.503167][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5366.503167][ T74] addrconf_add_dev+0xe2/0x170 [ 5366.503167][ T74] inet6_addr_add+0x12f/0xa40 [ 5366.503167][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5366.503167][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5366.503167][ T74] netlink_rcv_skb+0x130/0x360 [ 5366.503167][ T74] netlink_unicast+0x449/0x710 [ 5366.503167][ T74] netlink_sendmsg+0x723/0xbe0 [ 5366.503167][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5366.503167][ T74] ___sys_sendmsg+0xee/0x170 [ 5366.503167][ T74] __sys_sendmsg+0xcd/0x170 [ 5366.503167][ T74] do_syscall_64+0xc6/0x1e0 [ 5366.503167][ T74] [ 5366.505126][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5366.505126][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5366.505126][ T74] ipv6_find_idev+0x102/0x170 [ 5366.505126][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5366.505126][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5366.505126][ T74] netlink_rcv_skb+0x130/0x360 [ 5366.505126][ T74] netlink_unicast+0x449/0x710 [ 5366.505126][ T74] netlink_sendmsg+0x723/0xbe0 [ 5366.505126][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5366.505126][ T74] ___sys_sendmsg+0xee/0x170 [ 5366.505126][ T74] __sys_sendmsg+0xcd/0x170 [ 5366.505126][ T74] do_syscall_64+0xc6/0x1e0 [ 5366.505126][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5366.505126][ T74] [ 5366.506788][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5366.506788][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5366.506788][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5366.506788][ T74] ipv6_find_idev+0x102/0x170 [ 5366.506788][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5366.506788][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5366.506788][ T74] netlink_rcv_skb+0x130/0x360 [ 5366.506788][ T74] netlink_unicast+0x449/0x710 [ 5366.506788][ T74] netlink_sendmsg+0x723/0xbe0 [ 5366.506788][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5366.506788][ T74] ___sys_sendmsg+0xee/0x170 [ 5366.506788][ T74] __sys_sendmsg+0xcd/0x170 [ 5366.506788][ T74] do_syscall_64+0xc6/0x1e0 [ 5366.506788][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5366.506788][ T74] [ 5366.508749][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5366.509011][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5366.509011][ T74] netdev_get_by_index+0x5e/0x80 [ 5366.509011][ T74] fib6_nh_init+0x3d8/0x1580 [ 5366.509011][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5366.509011][ T74] ip6_route_add+0x1c/0x140 [ 5366.509011][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5366.509011][ T74] inet6_addr_add+0x4f8/0xa40 [ 5366.509011][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5366.509011][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5366.509011][ T74] netlink_rcv_skb+0x130/0x360 [ 5366.509011][ T74] netlink_unicast+0x449/0x710 [ 5366.509011][ T74] netlink_sendmsg+0x723/0xbe0 [ 5366.509011][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5366.509011][ T74] ___sys_sendmsg+0xee/0x170 [ 5366.509011][ T74] __sys_sendmsg+0xcd/0x170 [ 5366.509011][ T74] do_syscall_64+0xc6/0x1e0 [ 5366.509011][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5366.509011][ T74] [ 5366.511244][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5366.511244][ T74] netdev_get_by_index+0x5e/0x80 [ 5366.511244][ T74] fib6_nh_init+0x3d8/0x1580 [ 5366.511244][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5366.511244][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5366.511244][ T74] ipv6_add_addr+0x411/0x2000 [ 5366.511244][ T74] inet6_addr_add+0x30e/0xa40 [ 5366.511244][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5366.511244][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5366.511244][ T74] netlink_rcv_skb+0x130/0x360 [ 5366.511244][ T74] netlink_unicast+0x449/0x710 [ 5366.511244][ T74] netlink_sendmsg+0x723/0xbe0 [ 5366.511244][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5366.511244][ T74] ___sys_sendmsg+0xee/0x170 [ 5366.511244][ T74] __sys_sendmsg+0xcd/0x170 [ 5366.511244][ T74] do_syscall_64+0xc6/0x1e0 [ 5366.511244][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5366.511244][ T74] [ 5366.513471][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5366.513471][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5366.513471][ T74] ipv6_find_idev+0x102/0x170 [ 5366.513471][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5366.513471][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5366.513471][ T74] netlink_rcv_skb+0x130/0x360 [ 5366.513471][ T74] netlink_unicast+0x449/0x710 [ 5366.513471][ T74] netlink_sendmsg+0x723/0xbe0 [ 5366.513471][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5366.513471][ T74] ___sys_sendmsg+0xee/0x170 [ 5366.513471][ T74] __sys_sendmsg+0xcd/0x170 [ 5366.513471][ T74] do_syscall_64+0xc6/0x1e0 [ 5366.513471][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5366.513471][ T74] [ 5366.515127][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5366.515127][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5366.515127][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5366.515127][ T74] ipv6_find_idev+0x102/0x170 [ 5366.515127][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5366.515127][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5366.515127][ T74] netlink_rcv_skb+0x130/0x360 [ 5366.515127][ T74] netlink_unicast+0x449/0x710 [ 5366.515127][ T74] netlink_sendmsg+0x723/0xbe0 [ 5366.515127][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5366.515127][ T74] ___sys_sendmsg+0xee/0x170 [ 5366.515127][ T74] __sys_sendmsg+0xcd/0x170 [ 5366.515127][ T74] do_syscall_64+0xc6/0x1e0 [ 5366.515127][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5366.515127][ T74] [ 5376.767962][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5376.768379][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5376.768379][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5376.768379][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5376.768379][ T74] fib6_nh_init+0xa22/0x1580 [ 5376.768379][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5376.768379][ T74] ip6_route_add+0x1c/0x140 [ 5376.768379][ T74] inet6_rtm_newroute+0x104/0x110 [ 5376.768379][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5376.768379][ T74] netlink_rcv_skb+0x130/0x360 [ 5376.768379][ T74] netlink_unicast+0x449/0x710 [ 5376.768379][ T74] netlink_sendmsg+0x723/0xbe0 [ 5376.768379][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5376.768379][ T74] ___sys_sendmsg+0xee/0x170 [ 5376.768379][ T74] __sys_sendmsg+0xcd/0x170 [ 5376.768379][ T74] do_syscall_64+0xc6/0x1e0 [ 5376.768379][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5376.768379][ T74] [ 5376.770271][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5376.770271][ T74] netdev_get_by_index+0x5e/0x80 [ 5376.770271][ T74] fib6_nh_init+0x3d8/0x1580 [ 5376.770271][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5376.770271][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5376.770271][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5376.770271][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5376.770271][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5376.770271][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5376.770271][ T74] addrconf_dad_begin+0x310/0x670 [ 5376.770271][ T74] addrconf_dad_work+0x10b/0xab0 [ 5376.770271][ T74] process_one_work+0x84d/0x18a0 [ 5376.770271][ T74] worker_thread+0x587/0xd30 [ 5376.770271][ T74] kthread+0x28a/0x350 [ 5376.770271][ T74] ret_from_fork+0x31/0x70 [ 5376.770271][ T74] ret_from_fork_asm+0x1a/0x30 [ 5376.770271][ T74] [ 5376.772188][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5376.772188][ T74] netdev_get_by_index+0x5e/0x80 [ 5376.772188][ T74] fib6_nh_init+0x3d8/0x1580 [ 5376.772188][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5376.772188][ T74] ip6_route_add+0x1c/0x140 [ 5376.772188][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5376.772188][ T74] inet6_addr_add+0x4f8/0xa40 [ 5376.772188][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5376.772188][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5376.772188][ T74] netlink_rcv_skb+0x130/0x360 [ 5376.772188][ T74] netlink_unicast+0x449/0x710 [ 5376.772188][ T74] netlink_sendmsg+0x723/0xbe0 [ 5376.772188][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5376.772188][ T74] ___sys_sendmsg+0xee/0x170 [ 5376.772188][ T74] __sys_sendmsg+0xcd/0x170 [ 5376.772188][ T74] do_syscall_64+0xc6/0x1e0 [ 5376.772188][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5376.772188][ T74] [ 5376.774195][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5376.774195][ T74] netdev_get_by_index+0x5e/0x80 [ 5376.774195][ T74] fib6_nh_init+0x3d8/0x1580 [ 5376.774195][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5376.774195][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5376.774195][ T74] ipv6_add_addr+0x411/0x2000 [ 5376.774195][ T74] inet6_addr_add+0x30e/0xa40 [ 5376.774195][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5376.774195][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5376.774195][ T74] netlink_rcv_skb+0x130/0x360 [ 5376.774195][ T74] netlink_unicast+0x449/0x710 [ 5376.774195][ T74] netlink_sendmsg+0x723/0xbe0 [ 5376.774195][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5376.774195][ T74] ___sys_sendmsg+0xee/0x170 [ 5376.774195][ T74] __sys_sendmsg+0xcd/0x170 [ 5376.774195][ T74] do_syscall_64+0xc6/0x1e0 [ 5376.774195][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5376.774195][ T74] [ 5376.776194][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5376.776194][ T74] netdev_get_by_index+0x5e/0x80 [ 5376.776194][ T74] fib6_nh_init+0x3d8/0x1580 [ 5376.776194][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5376.776194][ T74] ip6_route_add+0x1c/0x140 [ 5376.776194][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5376.776194][ T74] addrconf_add_dev+0xe2/0x170 [ 5376.776194][ T74] inet6_addr_add+0x12f/0xa40 [ 5376.776194][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5376.776194][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5376.776194][ T74] netlink_rcv_skb+0x130/0x360 [ 5376.776194][ T74] netlink_unicast+0x449/0x710 [ 5376.776194][ T74] netlink_sendmsg+0x723/0xbe0 [ 5376.776194][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5376.776194][ T74] ___sys_sendmsg+0xee/0x170 [ 5376.776194][ T74] __sys_sendmsg+0xcd/0x170 [ 5376.776194][ T74] do_syscall_64+0xc6/0x1e0 [ 5376.776194][ T74] [ 5376.778144][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5376.778144][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5376.778144][ T74] ipv6_find_idev+0x102/0x170 [ 5376.778144][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5376.778144][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5376.778144][ T74] netlink_rcv_skb+0x130/0x360 [ 5376.778144][ T74] netlink_unicast+0x449/0x710 [ 5376.778144][ T74] netlink_sendmsg+0x723/0xbe0 [ 5376.778144][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5376.778144][ T74] ___sys_sendmsg+0xee/0x170 [ 5376.778144][ T74] __sys_sendmsg+0xcd/0x170 [ 5376.778144][ T74] do_syscall_64+0xc6/0x1e0 [ 5376.778144][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5376.778144][ T74] [ 5376.779678][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5376.779678][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5376.779678][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5376.779678][ T74] ipv6_find_idev+0x102/0x170 [ 5376.779678][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5376.779678][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5376.779678][ T74] netlink_rcv_skb+0x130/0x360 [ 5376.779678][ T74] netlink_unicast+0x449/0x710 [ 5376.779678][ T74] netlink_sendmsg+0x723/0xbe0 [ 5376.779678][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5376.779678][ T74] ___sys_sendmsg+0xee/0x170 [ 5376.779678][ T74] __sys_sendmsg+0xcd/0x170 [ 5376.779678][ T74] do_syscall_64+0xc6/0x1e0 [ 5376.779678][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5376.779678][ T74] [ 5376.781358][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5376.781630][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5376.781630][ T74] dst_init+0x84/0x4a0 [ 5376.781630][ T74] dst_alloc+0x97/0x150 [ 5376.781630][ T74] ip6_dst_alloc+0x23/0x90 [ 5376.781630][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5376.781630][ T74] ip6_pol_route+0x56f/0x840 [ 5376.781630][ T74] fib6_rule_lookup+0x456/0x630 [ 5376.781630][ T74] ip6_route_input+0x59c/0xa50 [ 5376.781630][ T74] ipv6_rcv+0x397/0x810 [ 5376.781630][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5376.781630][ T74] process_backlog+0x101/0x620 [ 5376.781630][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5376.781630][ T74] net_rx_action+0x495/0xbe0 [ 5376.781630][ T74] __do_softirq+0x1b5/0x7f6 [ 5376.781630][ T74] [ 5376.783266][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5376.783266][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5376.783266][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5376.783266][ T74] fib6_nh_init+0xa22/0x1580 [ 5376.783266][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5376.783266][ T74] ip6_route_add+0x1c/0x140 [ 5376.783266][ T74] inet6_rtm_newroute+0x104/0x110 [ 5376.783266][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5376.783266][ T74] netlink_rcv_skb+0x130/0x360 [ 5376.783266][ T74] netlink_unicast+0x449/0x710 [ 5376.783266][ T74] netlink_sendmsg+0x723/0xbe0 [ 5376.783266][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5376.783266][ T74] ___sys_sendmsg+0xee/0x170 [ 5376.783266][ T74] __sys_sendmsg+0xcd/0x170 [ 5376.783266][ T74] do_syscall_64+0xc6/0x1e0 [ 5376.783266][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5376.783266][ T74] [ 5376.785137][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5376.785137][ T74] netdev_get_by_index+0x5e/0x80 [ 5376.785137][ T74] fib6_nh_init+0x3d8/0x1580 [ 5376.785137][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5376.785137][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5376.785137][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5376.785137][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5376.785137][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5376.785137][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5376.785137][ T74] addrconf_dad_begin+0x310/0x670 [ 5376.785137][ T74] addrconf_dad_work+0x10b/0xab0 [ 5376.785137][ T74] process_one_work+0x84d/0x18a0 [ 5376.785137][ T74] worker_thread+0x587/0xd30 [ 5376.785137][ T74] kthread+0x28a/0x350 [ 5376.785137][ T74] ret_from_fork+0x31/0x70 [ 5376.785137][ T74] ret_from_fork_asm+0x1a/0x30 [ 5376.785137][ T74] [ 5376.787034][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5376.787034][ T74] netdev_get_by_index+0x5e/0x80 [ 5376.787034][ T74] fib6_nh_init+0x3d8/0x1580 [ 5376.787034][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5376.787034][ T74] ip6_route_add+0x1c/0x140 [ 5376.787034][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5376.787034][ T74] inet6_addr_add+0x4f8/0xa40 [ 5376.787034][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5376.787034][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5376.787034][ T74] netlink_rcv_skb+0x130/0x360 [ 5376.787034][ T74] netlink_unicast+0x449/0x710 [ 5376.787034][ T74] netlink_sendmsg+0x723/0xbe0 [ 5376.787034][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5376.787034][ T74] ___sys_sendmsg+0xee/0x170 [ 5376.787034][ T74] __sys_sendmsg+0xcd/0x170 [ 5376.787034][ T74] do_syscall_64+0xc6/0x1e0 [ 5376.787034][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5376.787034][ T74] [ 5376.789035][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5376.789035][ T74] netdev_get_by_index+0x5e/0x80 [ 5376.789035][ T74] fib6_nh_init+0x3d8/0x1580 [ 5376.789035][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5376.789035][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5376.789035][ T74] ipv6_add_addr+0x411/0x2000 [ 5376.789035][ T74] inet6_addr_add+0x30e/0xa40 [ 5376.789035][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5376.789035][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5376.789035][ T74] netlink_rcv_skb+0x130/0x360 [ 5376.789035][ T74] netlink_unicast+0x449/0x710 [ 5376.789035][ T74] netlink_sendmsg+0x723/0xbe0 [ 5376.789035][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5376.789035][ T74] ___sys_sendmsg+0xee/0x170 [ 5376.789035][ T74] __sys_sendmsg+0xcd/0x170 [ 5376.789035][ T74] do_syscall_64+0xc6/0x1e0 [ 5376.789035][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5376.789035][ T74] [ 5376.791035][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5376.791035][ T74] netdev_get_by_index+0x5e/0x80 [ 5376.791035][ T74] fib6_nh_init+0x3d8/0x1580 [ 5376.791035][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5376.791035][ T74] ip6_route_add+0x1c/0x140 [ 5376.791035][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5376.791035][ T74] addrconf_add_dev+0xe2/0x170 [ 5376.791035][ T74] inet6_addr_add+0x12f/0xa40 [ 5376.791035][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5376.791035][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5376.791035][ T74] netlink_rcv_skb+0x130/0x360 [ 5376.791035][ T74] netlink_unicast+0x449/0x710 [ 5376.791035][ T74] netlink_sendmsg+0x723/0xbe0 [ 5376.791035][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5376.791035][ T74] ___sys_sendmsg+0xee/0x170 [ 5376.791035][ T74] __sys_sendmsg+0xcd/0x170 [ 5376.791035][ T74] do_syscall_64+0xc6/0x1e0 [ 5376.791035][ T74] [ 5376.792981][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5376.792981][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5376.792981][ T74] ipv6_find_idev+0x102/0x170 [ 5376.792981][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5376.792981][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5376.792981][ T74] netlink_rcv_skb+0x130/0x360 [ 5376.792981][ T74] netlink_unicast+0x449/0x710 [ 5376.792981][ T74] netlink_sendmsg+0x723/0xbe0 [ 5376.792981][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5376.792981][ T74] ___sys_sendmsg+0xee/0x170 [ 5376.792981][ T74] __sys_sendmsg+0xcd/0x170 [ 5376.792981][ T74] do_syscall_64+0xc6/0x1e0 [ 5376.792981][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5376.792981][ T74] [ 5376.794638][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5376.794638][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5376.794638][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5376.794638][ T74] ipv6_find_idev+0x102/0x170 [ 5376.794638][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5376.794638][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5376.794638][ T74] netlink_rcv_skb+0x130/0x360 [ 5376.794638][ T74] netlink_unicast+0x449/0x710 [ 5376.794638][ T74] netlink_sendmsg+0x723/0xbe0 [ 5376.794638][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5376.794638][ T74] ___sys_sendmsg+0xee/0x170 [ 5376.794638][ T74] __sys_sendmsg+0xcd/0x170 [ 5376.794638][ T74] do_syscall_64+0xc6/0x1e0 [ 5376.794638][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5376.794638][ T74] [ 5376.796600][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5376.796847][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5376.796847][ T74] netdev_get_by_index+0x5e/0x80 [ 5376.796847][ T74] fib6_nh_init+0x3d8/0x1580 [ 5376.796847][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5376.796847][ T74] ip6_route_add+0x1c/0x140 [ 5376.796847][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5376.796847][ T74] inet6_addr_add+0x4f8/0xa40 [ 5376.796847][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5376.796847][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5376.796847][ T74] netlink_rcv_skb+0x130/0x360 [ 5376.796847][ T74] netlink_unicast+0x449/0x710 [ 5376.796847][ T74] netlink_sendmsg+0x723/0xbe0 [ 5376.796847][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5376.796847][ T74] ___sys_sendmsg+0xee/0x170 [ 5376.796847][ T74] __sys_sendmsg+0xcd/0x170 [ 5376.796847][ T74] do_syscall_64+0xc6/0x1e0 [ 5376.796847][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5376.796847][ T74] [ 5376.799067][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5376.799067][ T74] netdev_get_by_index+0x5e/0x80 [ 5376.799067][ T74] fib6_nh_init+0x3d8/0x1580 [ 5376.799067][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5376.799067][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5376.799067][ T74] ipv6_add_addr+0x411/0x2000 [ 5376.799067][ T74] inet6_addr_add+0x30e/0xa40 [ 5376.799067][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5376.799067][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5376.799067][ T74] netlink_rcv_skb+0x130/0x360 [ 5376.799067][ T74] netlink_unicast+0x449/0x710 [ 5376.799067][ T74] netlink_sendmsg+0x723/0xbe0 [ 5376.799067][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5376.799067][ T74] ___sys_sendmsg+0xee/0x170 [ 5376.799067][ T74] __sys_sendmsg+0xcd/0x170 [ 5376.799067][ T74] do_syscall_64+0xc6/0x1e0 [ 5376.799067][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5376.799067][ T74] [ 5376.801285][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5376.801285][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5376.801285][ T74] ipv6_find_idev+0x102/0x170 [ 5376.801285][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5376.801285][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5376.801285][ T74] netlink_rcv_skb+0x130/0x360 [ 5376.801285][ T74] netlink_unicast+0x449/0x710 [ 5376.801285][ T74] netlink_sendmsg+0x723/0xbe0 [ 5376.801285][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5376.801285][ T74] ___sys_sendmsg+0xee/0x170 [ 5376.801285][ T74] __sys_sendmsg+0xcd/0x170 [ 5376.801285][ T74] do_syscall_64+0xc6/0x1e0 [ 5376.801285][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5376.801285][ T74] [ 5376.802930][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5376.802930][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5376.802930][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5376.802930][ T74] ipv6_find_idev+0x102/0x170 [ 5376.802930][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5376.802930][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5376.802930][ T74] netlink_rcv_skb+0x130/0x360 [ 5376.802930][ T74] netlink_unicast+0x449/0x710 [ 5376.802930][ T74] netlink_sendmsg+0x723/0xbe0 [ 5376.802930][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5376.802930][ T74] ___sys_sendmsg+0xee/0x170 [ 5376.802930][ T74] __sys_sendmsg+0xcd/0x170 [ 5376.802930][ T74] do_syscall_64+0xc6/0x1e0 [ 5376.802930][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5376.802930][ T74] [ 5387.055973][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5387.056397][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5387.056397][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5387.056397][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5387.056397][ T74] fib6_nh_init+0xa22/0x1580 [ 5387.056397][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5387.056397][ T74] ip6_route_add+0x1c/0x140 [ 5387.056397][ T74] inet6_rtm_newroute+0x104/0x110 [ 5387.056397][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5387.056397][ T74] netlink_rcv_skb+0x130/0x360 [ 5387.056397][ T74] netlink_unicast+0x449/0x710 [ 5387.056397][ T74] netlink_sendmsg+0x723/0xbe0 [ 5387.056397][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5387.056397][ T74] ___sys_sendmsg+0xee/0x170 [ 5387.056397][ T74] __sys_sendmsg+0xcd/0x170 [ 5387.056397][ T74] do_syscall_64+0xc6/0x1e0 [ 5387.056397][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5387.056397][ T74] [ 5387.058324][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5387.058324][ T74] netdev_get_by_index+0x5e/0x80 [ 5387.058324][ T74] fib6_nh_init+0x3d8/0x1580 [ 5387.058324][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5387.058324][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5387.058324][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5387.058324][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5387.058324][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5387.058324][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5387.058324][ T74] addrconf_dad_begin+0x310/0x670 [ 5387.058324][ T74] addrconf_dad_work+0x10b/0xab0 [ 5387.058324][ T74] process_one_work+0x84d/0x18a0 [ 5387.058324][ T74] worker_thread+0x587/0xd30 [ 5387.058324][ T74] kthread+0x28a/0x350 [ 5387.058324][ T74] ret_from_fork+0x31/0x70 [ 5387.058324][ T74] ret_from_fork_asm+0x1a/0x30 [ 5387.058324][ T74] [ 5387.060237][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5387.060237][ T74] netdev_get_by_index+0x5e/0x80 [ 5387.060237][ T74] fib6_nh_init+0x3d8/0x1580 [ 5387.060237][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5387.060237][ T74] ip6_route_add+0x1c/0x140 [ 5387.060237][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5387.060237][ T74] inet6_addr_add+0x4f8/0xa40 [ 5387.060237][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5387.060237][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5387.060237][ T74] netlink_rcv_skb+0x130/0x360 [ 5387.060237][ T74] netlink_unicast+0x449/0x710 [ 5387.060237][ T74] netlink_sendmsg+0x723/0xbe0 [ 5387.060237][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5387.060237][ T74] ___sys_sendmsg+0xee/0x170 [ 5387.060237][ T74] __sys_sendmsg+0xcd/0x170 [ 5387.060237][ T74] do_syscall_64+0xc6/0x1e0 [ 5387.060237][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5387.060237][ T74] [ 5387.062232][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5387.062232][ T74] netdev_get_by_index+0x5e/0x80 [ 5387.062232][ T74] fib6_nh_init+0x3d8/0x1580 [ 5387.062232][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5387.062232][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5387.062232][ T74] ipv6_add_addr+0x411/0x2000 [ 5387.062232][ T74] inet6_addr_add+0x30e/0xa40 [ 5387.062232][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5387.062232][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5387.062232][ T74] netlink_rcv_skb+0x130/0x360 [ 5387.062232][ T74] netlink_unicast+0x449/0x710 [ 5387.062232][ T74] netlink_sendmsg+0x723/0xbe0 [ 5387.062232][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5387.062232][ T74] ___sys_sendmsg+0xee/0x170 [ 5387.062232][ T74] __sys_sendmsg+0xcd/0x170 [ 5387.062232][ T74] do_syscall_64+0xc6/0x1e0 [ 5387.062232][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5387.062232][ T74] [ 5387.064255][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5387.064255][ T74] netdev_get_by_index+0x5e/0x80 [ 5387.064255][ T74] fib6_nh_init+0x3d8/0x1580 [ 5387.064255][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5387.064255][ T74] ip6_route_add+0x1c/0x140 [ 5387.064255][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5387.064255][ T74] addrconf_add_dev+0xe2/0x170 [ 5387.064255][ T74] inet6_addr_add+0x12f/0xa40 [ 5387.064255][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5387.064255][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5387.064255][ T74] netlink_rcv_skb+0x130/0x360 [ 5387.064255][ T74] netlink_unicast+0x449/0x710 [ 5387.064255][ T74] netlink_sendmsg+0x723/0xbe0 [ 5387.064255][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5387.064255][ T74] ___sys_sendmsg+0xee/0x170 [ 5387.064255][ T74] __sys_sendmsg+0xcd/0x170 [ 5387.064255][ T74] do_syscall_64+0xc6/0x1e0 [ 5387.064255][ T74] [ 5387.066221][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5387.066221][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5387.066221][ T74] ipv6_find_idev+0x102/0x170 [ 5387.066221][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5387.066221][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5387.066221][ T74] netlink_rcv_skb+0x130/0x360 [ 5387.066221][ T74] netlink_unicast+0x449/0x710 [ 5387.066221][ T74] netlink_sendmsg+0x723/0xbe0 [ 5387.066221][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5387.066221][ T74] ___sys_sendmsg+0xee/0x170 [ 5387.066221][ T74] __sys_sendmsg+0xcd/0x170 [ 5387.066221][ T74] do_syscall_64+0xc6/0x1e0 [ 5387.066221][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5387.066221][ T74] [ 5387.067755][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5387.067755][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5387.067755][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5387.067755][ T74] ipv6_find_idev+0x102/0x170 [ 5387.067755][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5387.067755][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5387.067755][ T74] netlink_rcv_skb+0x130/0x360 [ 5387.067755][ T74] netlink_unicast+0x449/0x710 [ 5387.067755][ T74] netlink_sendmsg+0x723/0xbe0 [ 5387.067755][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5387.067755][ T74] ___sys_sendmsg+0xee/0x170 [ 5387.067755][ T74] __sys_sendmsg+0xcd/0x170 [ 5387.067755][ T74] do_syscall_64+0xc6/0x1e0 [ 5387.067755][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5387.067755][ T74] [ 5387.069447][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5387.069726][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5387.069726][ T74] dst_init+0x84/0x4a0 [ 5387.069726][ T74] dst_alloc+0x97/0x150 [ 5387.069726][ T74] ip6_dst_alloc+0x23/0x90 [ 5387.069726][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5387.069726][ T74] ip6_pol_route+0x56f/0x840 [ 5387.069726][ T74] fib6_rule_lookup+0x456/0x630 [ 5387.069726][ T74] ip6_route_input+0x59c/0xa50 [ 5387.069726][ T74] ipv6_rcv+0x397/0x810 [ 5387.069726][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5387.069726][ T74] process_backlog+0x101/0x620 [ 5387.069726][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5387.069726][ T74] net_rx_action+0x495/0xbe0 [ 5387.069726][ T74] __do_softirq+0x1b5/0x7f6 [ 5387.069726][ T74] [ 5387.071353][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5387.071353][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5387.071353][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5387.071353][ T74] fib6_nh_init+0xa22/0x1580 [ 5387.071353][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5387.071353][ T74] ip6_route_add+0x1c/0x140 [ 5387.071353][ T74] inet6_rtm_newroute+0x104/0x110 [ 5387.071353][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5387.071353][ T74] netlink_rcv_skb+0x130/0x360 [ 5387.071353][ T74] netlink_unicast+0x449/0x710 [ 5387.071353][ T74] netlink_sendmsg+0x723/0xbe0 [ 5387.071353][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5387.071353][ T74] ___sys_sendmsg+0xee/0x170 [ 5387.071353][ T74] __sys_sendmsg+0xcd/0x170 [ 5387.071353][ T74] do_syscall_64+0xc6/0x1e0 [ 5387.071353][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5387.071353][ T74] [ 5387.073227][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5387.073227][ T74] netdev_get_by_index+0x5e/0x80 [ 5387.073227][ T74] fib6_nh_init+0x3d8/0x1580 [ 5387.073227][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5387.073227][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5387.073227][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5387.073227][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5387.073227][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5387.073227][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5387.073227][ T74] addrconf_dad_begin+0x310/0x670 [ 5387.073227][ T74] addrconf_dad_work+0x10b/0xab0 [ 5387.073227][ T74] process_one_work+0x84d/0x18a0 [ 5387.073227][ T74] worker_thread+0x587/0xd30 [ 5387.073227][ T74] kthread+0x28a/0x350 [ 5387.073227][ T74] ret_from_fork+0x31/0x70 [ 5387.073227][ T74] ret_from_fork_asm+0x1a/0x30 [ 5387.073227][ T74] [ 5387.075128][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5387.075128][ T74] netdev_get_by_index+0x5e/0x80 [ 5387.075128][ T74] fib6_nh_init+0x3d8/0x1580 [ 5387.075128][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5387.075128][ T74] ip6_route_add+0x1c/0x140 [ 5387.075128][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5387.075128][ T74] inet6_addr_add+0x4f8/0xa40 [ 5387.075128][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5387.075128][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5387.075128][ T74] netlink_rcv_skb+0x130/0x360 [ 5387.075128][ T74] netlink_unicast+0x449/0x710 [ 5387.075128][ T74] netlink_sendmsg+0x723/0xbe0 [ 5387.075128][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5387.075128][ T74] ___sys_sendmsg+0xee/0x170 [ 5387.075128][ T74] __sys_sendmsg+0xcd/0x170 [ 5387.075128][ T74] do_syscall_64+0xc6/0x1e0 [ 5387.075128][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5387.075128][ T74] [ 5387.077112][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5387.077112][ T74] netdev_get_by_index+0x5e/0x80 [ 5387.077112][ T74] fib6_nh_init+0x3d8/0x1580 [ 5387.077112][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5387.077112][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5387.077112][ T74] ipv6_add_addr+0x411/0x2000 [ 5387.077112][ T74] inet6_addr_add+0x30e/0xa40 [ 5387.077112][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5387.077112][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5387.077112][ T74] netlink_rcv_skb+0x130/0x360 [ 5387.077112][ T74] netlink_unicast+0x449/0x710 [ 5387.077112][ T74] netlink_sendmsg+0x723/0xbe0 [ 5387.077112][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5387.077112][ T74] ___sys_sendmsg+0xee/0x170 [ 5387.077112][ T74] __sys_sendmsg+0xcd/0x170 [ 5387.077112][ T74] do_syscall_64+0xc6/0x1e0 [ 5387.077112][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5387.077112][ T74] [ 5387.079100][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5387.079100][ T74] netdev_get_by_index+0x5e/0x80 [ 5387.079100][ T74] fib6_nh_init+0x3d8/0x1580 [ 5387.079100][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5387.079100][ T74] ip6_route_add+0x1c/0x140 [ 5387.079100][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5387.079100][ T74] addrconf_add_dev+0xe2/0x170 [ 5387.079100][ T74] inet6_addr_add+0x12f/0xa40 [ 5387.079100][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5387.079100][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5387.079100][ T74] netlink_rcv_skb+0x130/0x360 [ 5387.079100][ T74] netlink_unicast+0x449/0x710 [ 5387.079100][ T74] netlink_sendmsg+0x723/0xbe0 [ 5387.079100][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5387.079100][ T74] ___sys_sendmsg+0xee/0x170 [ 5387.079100][ T74] __sys_sendmsg+0xcd/0x170 [ 5387.079100][ T74] do_syscall_64+0xc6/0x1e0 [ 5387.079100][ T74] [ 5387.081056][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5387.081056][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5387.081056][ T74] ipv6_find_idev+0x102/0x170 [ 5387.081056][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5387.081056][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5387.081056][ T74] netlink_rcv_skb+0x130/0x360 [ 5387.081056][ T74] netlink_unicast+0x449/0x710 [ 5387.081056][ T74] netlink_sendmsg+0x723/0xbe0 [ 5387.081056][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5387.081056][ T74] ___sys_sendmsg+0xee/0x170 [ 5387.081056][ T74] __sys_sendmsg+0xcd/0x170 [ 5387.081056][ T74] do_syscall_64+0xc6/0x1e0 [ 5387.081056][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5387.081056][ T74] [ 5387.082701][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5387.082701][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5387.082701][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5387.082701][ T74] ipv6_find_idev+0x102/0x170 [ 5387.082701][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5387.082701][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5387.082701][ T74] netlink_rcv_skb+0x130/0x360 [ 5387.082701][ T74] netlink_unicast+0x449/0x710 [ 5387.082701][ T74] netlink_sendmsg+0x723/0xbe0 [ 5387.082701][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5387.082701][ T74] ___sys_sendmsg+0xee/0x170 [ 5387.082701][ T74] __sys_sendmsg+0xcd/0x170 [ 5387.082701][ T74] do_syscall_64+0xc6/0x1e0 [ 5387.082701][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5387.082701][ T74] [ 5387.084689][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5387.084941][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5387.084941][ T74] netdev_get_by_index+0x5e/0x80 [ 5387.084941][ T74] fib6_nh_init+0x3d8/0x1580 [ 5387.084941][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5387.084941][ T74] ip6_route_add+0x1c/0x140 [ 5387.084941][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5387.084941][ T74] inet6_addr_add+0x4f8/0xa40 [ 5387.084941][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5387.084941][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5387.084941][ T74] netlink_rcv_skb+0x130/0x360 [ 5387.084941][ T74] netlink_unicast+0x449/0x710 [ 5387.084941][ T74] netlink_sendmsg+0x723/0xbe0 [ 5387.084941][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5387.084941][ T74] ___sys_sendmsg+0xee/0x170 [ 5387.084941][ T74] __sys_sendmsg+0xcd/0x170 [ 5387.084941][ T74] do_syscall_64+0xc6/0x1e0 [ 5387.084941][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5387.084941][ T74] [ 5387.087190][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5387.087190][ T74] netdev_get_by_index+0x5e/0x80 [ 5387.087190][ T74] fib6_nh_init+0x3d8/0x1580 [ 5387.087190][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5387.087190][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5387.087190][ T74] ipv6_add_addr+0x411/0x2000 [ 5387.087190][ T74] inet6_addr_add+0x30e/0xa40 [ 5387.087190][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5387.087190][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5387.087190][ T74] netlink_rcv_skb+0x130/0x360 [ 5387.087190][ T74] netlink_unicast+0x449/0x710 [ 5387.087190][ T74] netlink_sendmsg+0x723/0xbe0 [ 5387.087190][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5387.087190][ T74] ___sys_sendmsg+0xee/0x170 [ 5387.087190][ T74] __sys_sendmsg+0xcd/0x170 [ 5387.087190][ T74] do_syscall_64+0xc6/0x1e0 [ 5387.087190][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5387.087190][ T74] [ 5387.089421][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5387.089421][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5387.089421][ T74] ipv6_find_idev+0x102/0x170 [ 5387.089421][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5387.089421][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5387.089421][ T74] netlink_rcv_skb+0x130/0x360 [ 5387.089421][ T74] netlink_unicast+0x449/0x710 [ 5387.089421][ T74] netlink_sendmsg+0x723/0xbe0 [ 5387.089421][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5387.089421][ T74] ___sys_sendmsg+0xee/0x170 [ 5387.089421][ T74] __sys_sendmsg+0xcd/0x170 [ 5387.089421][ T74] do_syscall_64+0xc6/0x1e0 [ 5387.089421][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5387.089421][ T74] [ 5387.091083][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5387.091083][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5387.091083][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5387.091083][ T74] ipv6_find_idev+0x102/0x170 [ 5387.091083][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5387.091083][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5387.091083][ T74] netlink_rcv_skb+0x130/0x360 [ 5387.091083][ T74] netlink_unicast+0x449/0x710 [ 5387.091083][ T74] netlink_sendmsg+0x723/0xbe0 [ 5387.091083][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5387.091083][ T74] ___sys_sendmsg+0xee/0x170 [ 5387.091083][ T74] __sys_sendmsg+0xcd/0x170 [ 5387.091083][ T74] do_syscall_64+0xc6/0x1e0 [ 5387.091083][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5387.091083][ T74] [ 5397.343883][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5397.344349][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5397.344349][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5397.344349][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5397.344349][ T74] fib6_nh_init+0xa22/0x1580 [ 5397.344349][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5397.344349][ T74] ip6_route_add+0x1c/0x140 [ 5397.344349][ T74] inet6_rtm_newroute+0x104/0x110 [ 5397.344349][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5397.344349][ T74] netlink_rcv_skb+0x130/0x360 [ 5397.344349][ T74] netlink_unicast+0x449/0x710 [ 5397.344349][ T74] netlink_sendmsg+0x723/0xbe0 [ 5397.344349][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5397.344349][ T74] ___sys_sendmsg+0xee/0x170 [ 5397.344349][ T74] __sys_sendmsg+0xcd/0x170 [ 5397.344349][ T74] do_syscall_64+0xc6/0x1e0 [ 5397.344349][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5397.344349][ T74] [ 5397.346286][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5397.346286][ T74] netdev_get_by_index+0x5e/0x80 [ 5397.346286][ T74] fib6_nh_init+0x3d8/0x1580 [ 5397.346286][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5397.346286][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5397.346286][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5397.346286][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5397.346286][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5397.346286][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5397.346286][ T74] addrconf_dad_begin+0x310/0x670 [ 5397.346286][ T74] addrconf_dad_work+0x10b/0xab0 [ 5397.346286][ T74] process_one_work+0x84d/0x18a0 [ 5397.346286][ T74] worker_thread+0x587/0xd30 [ 5397.346286][ T74] kthread+0x28a/0x350 [ 5397.346286][ T74] ret_from_fork+0x31/0x70 [ 5397.346286][ T74] ret_from_fork_asm+0x1a/0x30 [ 5397.346286][ T74] [ 5397.348238][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5397.348238][ T74] netdev_get_by_index+0x5e/0x80 [ 5397.348238][ T74] fib6_nh_init+0x3d8/0x1580 [ 5397.348238][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5397.348238][ T74] ip6_route_add+0x1c/0x140 [ 5397.348238][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5397.348238][ T74] inet6_addr_add+0x4f8/0xa40 [ 5397.348238][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5397.348238][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5397.348238][ T74] netlink_rcv_skb+0x130/0x360 [ 5397.348238][ T74] netlink_unicast+0x449/0x710 [ 5397.348238][ T74] netlink_sendmsg+0x723/0xbe0 [ 5397.348238][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5397.348238][ T74] ___sys_sendmsg+0xee/0x170 [ 5397.348238][ T74] __sys_sendmsg+0xcd/0x170 [ 5397.348238][ T74] do_syscall_64+0xc6/0x1e0 [ 5397.348238][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5397.348238][ T74] [ 5397.350268][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5397.350268][ T74] netdev_get_by_index+0x5e/0x80 [ 5397.350268][ T74] fib6_nh_init+0x3d8/0x1580 [ 5397.350268][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5397.350268][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5397.350268][ T74] ipv6_add_addr+0x411/0x2000 [ 5397.350268][ T74] inet6_addr_add+0x30e/0xa40 [ 5397.350268][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5397.350268][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5397.350268][ T74] netlink_rcv_skb+0x130/0x360 [ 5397.350268][ T74] netlink_unicast+0x449/0x710 [ 5397.350268][ T74] netlink_sendmsg+0x723/0xbe0 [ 5397.350268][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5397.350268][ T74] ___sys_sendmsg+0xee/0x170 [ 5397.350268][ T74] __sys_sendmsg+0xcd/0x170 [ 5397.350268][ T74] do_syscall_64+0xc6/0x1e0 [ 5397.350268][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5397.350268][ T74] [ 5397.352297][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5397.352297][ T74] netdev_get_by_index+0x5e/0x80 [ 5397.352297][ T74] fib6_nh_init+0x3d8/0x1580 [ 5397.352297][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5397.352297][ T74] ip6_route_add+0x1c/0x140 [ 5397.352297][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5397.352297][ T74] addrconf_add_dev+0xe2/0x170 [ 5397.352297][ T74] inet6_addr_add+0x12f/0xa40 [ 5397.352297][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5397.352297][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5397.352297][ T74] netlink_rcv_skb+0x130/0x360 [ 5397.352297][ T74] netlink_unicast+0x449/0x710 [ 5397.352297][ T74] netlink_sendmsg+0x723/0xbe0 [ 5397.352297][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5397.352297][ T74] ___sys_sendmsg+0xee/0x170 [ 5397.352297][ T74] __sys_sendmsg+0xcd/0x170 [ 5397.352297][ T74] do_syscall_64+0xc6/0x1e0 [ 5397.352297][ T74] [ 5397.354294][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5397.354294][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5397.354294][ T74] ipv6_find_idev+0x102/0x170 [ 5397.354294][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5397.354294][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5397.354294][ T74] netlink_rcv_skb+0x130/0x360 [ 5397.354294][ T74] netlink_unicast+0x449/0x710 [ 5397.354294][ T74] netlink_sendmsg+0x723/0xbe0 [ 5397.354294][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5397.354294][ T74] ___sys_sendmsg+0xee/0x170 [ 5397.354294][ T74] __sys_sendmsg+0xcd/0x170 [ 5397.354294][ T74] do_syscall_64+0xc6/0x1e0 [ 5397.354294][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5397.354294][ T74] [ 5397.355854][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5397.355854][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5397.355854][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5397.355854][ T74] ipv6_find_idev+0x102/0x170 [ 5397.355854][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5397.355854][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5397.355854][ T74] netlink_rcv_skb+0x130/0x360 [ 5397.355854][ T74] netlink_unicast+0x449/0x710 [ 5397.355854][ T74] netlink_sendmsg+0x723/0xbe0 [ 5397.355854][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5397.355854][ T74] ___sys_sendmsg+0xee/0x170 [ 5397.355854][ T74] __sys_sendmsg+0xcd/0x170 [ 5397.355854][ T74] do_syscall_64+0xc6/0x1e0 [ 5397.355854][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5397.355854][ T74] [ 5397.357588][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5397.357869][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5397.357869][ T74] dst_init+0x84/0x4a0 [ 5397.357869][ T74] dst_alloc+0x97/0x150 [ 5397.357869][ T74] ip6_dst_alloc+0x23/0x90 [ 5397.357869][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5397.357869][ T74] ip6_pol_route+0x56f/0x840 [ 5397.357869][ T74] fib6_rule_lookup+0x456/0x630 [ 5397.357869][ T74] ip6_route_input+0x59c/0xa50 [ 5397.357869][ T74] ipv6_rcv+0x397/0x810 [ 5397.357869][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5397.357869][ T74] process_backlog+0x101/0x620 [ 5397.357869][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5397.357869][ T74] net_rx_action+0x495/0xbe0 [ 5397.357869][ T74] __do_softirq+0x1b5/0x7f6 [ 5397.357869][ T74] [ 5397.359528][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5397.359528][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5397.359528][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5397.359528][ T74] fib6_nh_init+0xa22/0x1580 [ 5397.359528][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5397.359528][ T74] ip6_route_add+0x1c/0x140 [ 5397.359528][ T74] inet6_rtm_newroute+0x104/0x110 [ 5397.359528][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5397.359528][ T74] netlink_rcv_skb+0x130/0x360 [ 5397.359528][ T74] netlink_unicast+0x449/0x710 [ 5397.359528][ T74] netlink_sendmsg+0x723/0xbe0 [ 5397.359528][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5397.359528][ T74] ___sys_sendmsg+0xee/0x170 [ 5397.359528][ T74] __sys_sendmsg+0xcd/0x170 [ 5397.359528][ T74] do_syscall_64+0xc6/0x1e0 [ 5397.359528][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5397.359528][ T74] [ 5397.361434][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5397.361434][ T74] netdev_get_by_index+0x5e/0x80 [ 5397.361434][ T74] fib6_nh_init+0x3d8/0x1580 [ 5397.361434][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5397.361434][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5397.361434][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5397.361434][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5397.361434][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5397.361434][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5397.361434][ T74] addrconf_dad_begin+0x310/0x670 [ 5397.361434][ T74] addrconf_dad_work+0x10b/0xab0 [ 5397.361434][ T74] process_one_work+0x84d/0x18a0 [ 5397.361434][ T74] worker_thread+0x587/0xd30 [ 5397.361434][ T74] kthread+0x28a/0x350 [ 5397.361434][ T74] ret_from_fork+0x31/0x70 [ 5397.361434][ T74] ret_from_fork_asm+0x1a/0x30 [ 5397.361434][ T74] [ 5397.363373][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5397.363373][ T74] netdev_get_by_index+0x5e/0x80 [ 5397.363373][ T74] fib6_nh_init+0x3d8/0x1580 [ 5397.363373][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5397.363373][ T74] ip6_route_add+0x1c/0x140 [ 5397.363373][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5397.363373][ T74] inet6_addr_add+0x4f8/0xa40 [ 5397.363373][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5397.363373][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5397.363373][ T74] netlink_rcv_skb+0x130/0x360 [ 5397.363373][ T74] netlink_unicast+0x449/0x710 [ 5397.363373][ T74] netlink_sendmsg+0x723/0xbe0 [ 5397.363373][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5397.363373][ T74] ___sys_sendmsg+0xee/0x170 [ 5397.363373][ T74] __sys_sendmsg+0xcd/0x170 [ 5397.363373][ T74] do_syscall_64+0xc6/0x1e0 [ 5397.363373][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5397.363373][ T74] [ 5397.365397][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5397.365397][ T74] netdev_get_by_index+0x5e/0x80 [ 5397.365397][ T74] fib6_nh_init+0x3d8/0x1580 [ 5397.365397][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5397.365397][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5397.365397][ T74] ipv6_add_addr+0x411/0x2000 [ 5397.365397][ T74] inet6_addr_add+0x30e/0xa40 [ 5397.365397][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5397.365397][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5397.365397][ T74] netlink_rcv_skb+0x130/0x360 [ 5397.365397][ T74] netlink_unicast+0x449/0x710 [ 5397.365397][ T74] netlink_sendmsg+0x723/0xbe0 [ 5397.365397][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5397.365397][ T74] ___sys_sendmsg+0xee/0x170 [ 5397.365397][ T74] __sys_sendmsg+0xcd/0x170 [ 5397.365397][ T74] do_syscall_64+0xc6/0x1e0 [ 5397.365397][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5397.365397][ T74] [ 5397.367430][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5397.367430][ T74] netdev_get_by_index+0x5e/0x80 [ 5397.367430][ T74] fib6_nh_init+0x3d8/0x1580 [ 5397.367430][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5397.367430][ T74] ip6_route_add+0x1c/0x140 [ 5397.367430][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5397.367430][ T74] addrconf_add_dev+0xe2/0x170 [ 5397.367430][ T74] inet6_addr_add+0x12f/0xa40 [ 5397.367430][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5397.367430][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5397.367430][ T74] netlink_rcv_skb+0x130/0x360 [ 5397.367430][ T74] netlink_unicast+0x449/0x710 [ 5397.367430][ T74] netlink_sendmsg+0x723/0xbe0 [ 5397.367430][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5397.367430][ T74] ___sys_sendmsg+0xee/0x170 [ 5397.367430][ T74] __sys_sendmsg+0xcd/0x170 [ 5397.367430][ T74] do_syscall_64+0xc6/0x1e0 [ 5397.367430][ T74] [ 5397.369419][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5397.369419][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5397.369419][ T74] ipv6_find_idev+0x102/0x170 [ 5397.369419][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5397.369419][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5397.369419][ T74] netlink_rcv_skb+0x130/0x360 [ 5397.369419][ T74] netlink_unicast+0x449/0x710 [ 5397.369419][ T74] netlink_sendmsg+0x723/0xbe0 [ 5397.369419][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5397.369419][ T74] ___sys_sendmsg+0xee/0x170 [ 5397.369419][ T74] __sys_sendmsg+0xcd/0x170 [ 5397.369419][ T74] do_syscall_64+0xc6/0x1e0 [ 5397.369419][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5397.369419][ T74] [ 5397.371116][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5397.371116][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5397.371116][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5397.371116][ T74] ipv6_find_idev+0x102/0x170 [ 5397.371116][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5397.371116][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5397.371116][ T74] netlink_rcv_skb+0x130/0x360 [ 5397.371116][ T74] netlink_unicast+0x449/0x710 [ 5397.371116][ T74] netlink_sendmsg+0x723/0xbe0 [ 5397.371116][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5397.371116][ T74] ___sys_sendmsg+0xee/0x170 [ 5397.371116][ T74] __sys_sendmsg+0xcd/0x170 [ 5397.371116][ T74] do_syscall_64+0xc6/0x1e0 [ 5397.371116][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5397.371116][ T74] [ 5397.372965][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5397.373223][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5397.373223][ T74] netdev_get_by_index+0x5e/0x80 [ 5397.373223][ T74] fib6_nh_init+0x3d8/0x1580 [ 5397.373223][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5397.373223][ T74] ip6_route_add+0x1c/0x140 [ 5397.373223][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5397.373223][ T74] inet6_addr_add+0x4f8/0xa40 [ 5397.373223][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5397.373223][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5397.373223][ T74] netlink_rcv_skb+0x130/0x360 [ 5397.373223][ T74] netlink_unicast+0x449/0x710 [ 5397.373223][ T74] netlink_sendmsg+0x723/0xbe0 [ 5397.373223][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5397.373223][ T74] ___sys_sendmsg+0xee/0x170 [ 5397.373223][ T74] __sys_sendmsg+0xcd/0x170 [ 5397.373223][ T74] do_syscall_64+0xc6/0x1e0 [ 5397.373223][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5397.373223][ T74] [ 5397.375388][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5397.375388][ T74] netdev_get_by_index+0x5e/0x80 [ 5397.375388][ T74] fib6_nh_init+0x3d8/0x1580 [ 5397.375388][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5397.375388][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5397.375388][ T74] ipv6_add_addr+0x411/0x2000 [ 5397.375388][ T74] inet6_addr_add+0x30e/0xa40 [ 5397.375388][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5397.375388][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5397.375388][ T74] netlink_rcv_skb+0x130/0x360 [ 5397.375388][ T74] netlink_unicast+0x449/0x710 [ 5397.375388][ T74] netlink_sendmsg+0x723/0xbe0 [ 5397.375388][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5397.375388][ T74] ___sys_sendmsg+0xee/0x170 [ 5397.375388][ T74] __sys_sendmsg+0xcd/0x170 [ 5397.375388][ T74] do_syscall_64+0xc6/0x1e0 [ 5397.375388][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5397.375388][ T74] [ 5397.377479][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5397.377479][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5397.377479][ T74] ipv6_find_idev+0x102/0x170 [ 5397.377479][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5397.377479][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5397.377479][ T74] netlink_rcv_skb+0x130/0x360 [ 5397.377479][ T74] netlink_unicast+0x449/0x710 [ 5397.377479][ T74] netlink_sendmsg+0x723/0xbe0 [ 5397.377479][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5397.377479][ T74] ___sys_sendmsg+0xee/0x170 [ 5397.377479][ T74] __sys_sendmsg+0xcd/0x170 [ 5397.377479][ T74] do_syscall_64+0xc6/0x1e0 [ 5397.377479][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5397.377479][ T74] [ 5397.379104][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5397.379104][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5397.379104][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5397.379104][ T74] ipv6_find_idev+0x102/0x170 [ 5397.379104][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5397.379104][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5397.379104][ T74] netlink_rcv_skb+0x130/0x360 [ 5397.379104][ T74] netlink_unicast+0x449/0x710 [ 5397.379104][ T74] netlink_sendmsg+0x723/0xbe0 [ 5397.379104][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5397.379104][ T74] ___sys_sendmsg+0xee/0x170 [ 5397.379104][ T74] __sys_sendmsg+0xcd/0x170 [ 5397.379104][ T74] do_syscall_64+0xc6/0x1e0 [ 5397.379104][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5397.379104][ T74] [ 5407.631890][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5407.632343][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5407.632343][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5407.632343][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5407.632343][ T74] fib6_nh_init+0xa22/0x1580 [ 5407.632343][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5407.632343][ T74] ip6_route_add+0x1c/0x140 [ 5407.632343][ T74] inet6_rtm_newroute+0x104/0x110 [ 5407.632343][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5407.632343][ T74] netlink_rcv_skb+0x130/0x360 [ 5407.632343][ T74] netlink_unicast+0x449/0x710 [ 5407.632343][ T74] netlink_sendmsg+0x723/0xbe0 [ 5407.632343][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5407.632343][ T74] ___sys_sendmsg+0xee/0x170 [ 5407.632343][ T74] __sys_sendmsg+0xcd/0x170 [ 5407.632343][ T74] do_syscall_64+0xc6/0x1e0 [ 5407.632343][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5407.632343][ T74] [ 5407.634294][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5407.634294][ T74] netdev_get_by_index+0x5e/0x80 [ 5407.634294][ T74] fib6_nh_init+0x3d8/0x1580 [ 5407.634294][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5407.634294][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5407.634294][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5407.634294][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5407.634294][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5407.634294][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5407.634294][ T74] addrconf_dad_begin+0x310/0x670 [ 5407.634294][ T74] addrconf_dad_work+0x10b/0xab0 [ 5407.634294][ T74] process_one_work+0x84d/0x18a0 [ 5407.634294][ T74] worker_thread+0x587/0xd30 [ 5407.634294][ T74] kthread+0x28a/0x350 [ 5407.634294][ T74] ret_from_fork+0x31/0x70 [ 5407.634294][ T74] ret_from_fork_asm+0x1a/0x30 [ 5407.634294][ T74] [ 5407.636242][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5407.636242][ T74] netdev_get_by_index+0x5e/0x80 [ 5407.636242][ T74] fib6_nh_init+0x3d8/0x1580 [ 5407.636242][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5407.636242][ T74] ip6_route_add+0x1c/0x140 [ 5407.636242][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5407.636242][ T74] inet6_addr_add+0x4f8/0xa40 [ 5407.636242][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5407.636242][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5407.636242][ T74] netlink_rcv_skb+0x130/0x360 [ 5407.636242][ T74] netlink_unicast+0x449/0x710 [ 5407.636242][ T74] netlink_sendmsg+0x723/0xbe0 [ 5407.636242][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5407.636242][ T74] ___sys_sendmsg+0xee/0x170 [ 5407.636242][ T74] __sys_sendmsg+0xcd/0x170 [ 5407.636242][ T74] do_syscall_64+0xc6/0x1e0 [ 5407.636242][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5407.636242][ T74] [ 5407.638267][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5407.638267][ T74] netdev_get_by_index+0x5e/0x80 [ 5407.638267][ T74] fib6_nh_init+0x3d8/0x1580 [ 5407.638267][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5407.638267][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5407.638267][ T74] ipv6_add_addr+0x411/0x2000 [ 5407.638267][ T74] inet6_addr_add+0x30e/0xa40 [ 5407.638267][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5407.638267][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5407.638267][ T74] netlink_rcv_skb+0x130/0x360 [ 5407.638267][ T74] netlink_unicast+0x449/0x710 [ 5407.638267][ T74] netlink_sendmsg+0x723/0xbe0 [ 5407.638267][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5407.638267][ T74] ___sys_sendmsg+0xee/0x170 [ 5407.638267][ T74] __sys_sendmsg+0xcd/0x170 [ 5407.638267][ T74] do_syscall_64+0xc6/0x1e0 [ 5407.638267][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5407.638267][ T74] [ 5407.640295][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5407.640295][ T74] netdev_get_by_index+0x5e/0x80 [ 5407.640295][ T74] fib6_nh_init+0x3d8/0x1580 [ 5407.640295][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5407.640295][ T74] ip6_route_add+0x1c/0x140 [ 5407.640295][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5407.640295][ T74] addrconf_add_dev+0xe2/0x170 [ 5407.640295][ T74] inet6_addr_add+0x12f/0xa40 [ 5407.640295][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5407.640295][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5407.640295][ T74] netlink_rcv_skb+0x130/0x360 [ 5407.640295][ T74] netlink_unicast+0x449/0x710 [ 5407.640295][ T74] netlink_sendmsg+0x723/0xbe0 [ 5407.640295][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5407.640295][ T74] ___sys_sendmsg+0xee/0x170 [ 5407.640295][ T74] __sys_sendmsg+0xcd/0x170 [ 5407.640295][ T74] do_syscall_64+0xc6/0x1e0 [ 5407.640295][ T74] [ 5407.642294][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5407.642294][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5407.642294][ T74] ipv6_find_idev+0x102/0x170 [ 5407.642294][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5407.642294][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5407.642294][ T74] netlink_rcv_skb+0x130/0x360 [ 5407.642294][ T74] netlink_unicast+0x449/0x710 [ 5407.642294][ T74] netlink_sendmsg+0x723/0xbe0 [ 5407.642294][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5407.642294][ T74] ___sys_sendmsg+0xee/0x170 [ 5407.642294][ T74] __sys_sendmsg+0xcd/0x170 [ 5407.642294][ T74] do_syscall_64+0xc6/0x1e0 [ 5407.642294][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5407.642294][ T74] [ 5407.643873][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5407.643873][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5407.643873][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5407.643873][ T74] ipv6_find_idev+0x102/0x170 [ 5407.643873][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5407.643873][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5407.643873][ T74] netlink_rcv_skb+0x130/0x360 [ 5407.643873][ T74] netlink_unicast+0x449/0x710 [ 5407.643873][ T74] netlink_sendmsg+0x723/0xbe0 [ 5407.643873][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5407.643873][ T74] ___sys_sendmsg+0xee/0x170 [ 5407.643873][ T74] __sys_sendmsg+0xcd/0x170 [ 5407.643873][ T74] do_syscall_64+0xc6/0x1e0 [ 5407.643873][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5407.643873][ T74] [ 5407.645598][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5407.645879][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5407.645879][ T74] dst_init+0x84/0x4a0 [ 5407.645879][ T74] dst_alloc+0x97/0x150 [ 5407.645879][ T74] ip6_dst_alloc+0x23/0x90 [ 5407.645879][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5407.645879][ T74] ip6_pol_route+0x56f/0x840 [ 5407.645879][ T74] fib6_rule_lookup+0x456/0x630 [ 5407.645879][ T74] ip6_route_input+0x59c/0xa50 [ 5407.645879][ T74] ipv6_rcv+0x397/0x810 [ 5407.645879][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5407.645879][ T74] process_backlog+0x101/0x620 [ 5407.645879][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5407.645879][ T74] net_rx_action+0x495/0xbe0 [ 5407.645879][ T74] __do_softirq+0x1b5/0x7f6 [ 5407.645879][ T74] [ 5407.647538][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5407.647538][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5407.647538][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5407.647538][ T74] fib6_nh_init+0xa22/0x1580 [ 5407.647538][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5407.647538][ T74] ip6_route_add+0x1c/0x140 [ 5407.647538][ T74] inet6_rtm_newroute+0x104/0x110 [ 5407.647538][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5407.647538][ T74] netlink_rcv_skb+0x130/0x360 [ 5407.647538][ T74] netlink_unicast+0x449/0x710 [ 5407.647538][ T74] netlink_sendmsg+0x723/0xbe0 [ 5407.647538][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5407.647538][ T74] ___sys_sendmsg+0xee/0x170 [ 5407.647538][ T74] __sys_sendmsg+0xcd/0x170 [ 5407.647538][ T74] do_syscall_64+0xc6/0x1e0 [ 5407.647538][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5407.647538][ T74] [ 5407.649459][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5407.649459][ T74] netdev_get_by_index+0x5e/0x80 [ 5407.649459][ T74] fib6_nh_init+0x3d8/0x1580 [ 5407.649459][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5407.649459][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5407.649459][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5407.649459][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5407.649459][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5407.649459][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5407.649459][ T74] addrconf_dad_begin+0x310/0x670 [ 5407.649459][ T74] addrconf_dad_work+0x10b/0xab0 [ 5407.649459][ T74] process_one_work+0x84d/0x18a0 [ 5407.649459][ T74] worker_thread+0x587/0xd30 [ 5407.649459][ T74] kthread+0x28a/0x350 [ 5407.649459][ T74] ret_from_fork+0x31/0x70 [ 5407.649459][ T74] ret_from_fork_asm+0x1a/0x30 [ 5407.649459][ T74] [ 5407.651405][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5407.651405][ T74] netdev_get_by_index+0x5e/0x80 [ 5407.651405][ T74] fib6_nh_init+0x3d8/0x1580 [ 5407.651405][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5407.651405][ T74] ip6_route_add+0x1c/0x140 [ 5407.651405][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5407.651405][ T74] inet6_addr_add+0x4f8/0xa40 [ 5407.651405][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5407.651405][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5407.651405][ T74] netlink_rcv_skb+0x130/0x360 [ 5407.651405][ T74] netlink_unicast+0x449/0x710 [ 5407.651405][ T74] netlink_sendmsg+0x723/0xbe0 [ 5407.651405][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5407.651405][ T74] ___sys_sendmsg+0xee/0x170 [ 5407.651405][ T74] __sys_sendmsg+0xcd/0x170 [ 5407.651405][ T74] do_syscall_64+0xc6/0x1e0 [ 5407.651405][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5407.651405][ T74] [ 5407.653443][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5407.653443][ T74] netdev_get_by_index+0x5e/0x80 [ 5407.653443][ T74] fib6_nh_init+0x3d8/0x1580 [ 5407.653443][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5407.653443][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5407.653443][ T74] ipv6_add_addr+0x411/0x2000 [ 5407.653443][ T74] inet6_addr_add+0x30e/0xa40 [ 5407.653443][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5407.653443][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5407.653443][ T74] netlink_rcv_skb+0x130/0x360 [ 5407.653443][ T74] netlink_unicast+0x449/0x710 [ 5407.653443][ T74] netlink_sendmsg+0x723/0xbe0 [ 5407.653443][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5407.653443][ T74] ___sys_sendmsg+0xee/0x170 [ 5407.653443][ T74] __sys_sendmsg+0xcd/0x170 [ 5407.653443][ T74] do_syscall_64+0xc6/0x1e0 [ 5407.653443][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5407.653443][ T74] [ 5407.655464][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5407.655464][ T74] netdev_get_by_index+0x5e/0x80 [ 5407.655464][ T74] fib6_nh_init+0x3d8/0x1580 [ 5407.655464][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5407.655464][ T74] ip6_route_add+0x1c/0x140 [ 5407.655464][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5407.655464][ T74] addrconf_add_dev+0xe2/0x170 [ 5407.655464][ T74] inet6_addr_add+0x12f/0xa40 [ 5407.655464][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5407.655464][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5407.655464][ T74] netlink_rcv_skb+0x130/0x360 [ 5407.655464][ T74] netlink_unicast+0x449/0x710 [ 5407.655464][ T74] netlink_sendmsg+0x723/0xbe0 [ 5407.655464][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5407.655464][ T74] ___sys_sendmsg+0xee/0x170 [ 5407.655464][ T74] __sys_sendmsg+0xcd/0x170 [ 5407.655464][ T74] do_syscall_64+0xc6/0x1e0 [ 5407.655464][ T74] [ 5407.657450][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5407.657450][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5407.657450][ T74] ipv6_find_idev+0x102/0x170 [ 5407.657450][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5407.657450][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5407.657450][ T74] netlink_rcv_skb+0x130/0x360 [ 5407.657450][ T74] netlink_unicast+0x449/0x710 [ 5407.657450][ T74] netlink_sendmsg+0x723/0xbe0 [ 5407.657450][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5407.657450][ T74] ___sys_sendmsg+0xee/0x170 [ 5407.657450][ T74] __sys_sendmsg+0xcd/0x170 [ 5407.657450][ T74] do_syscall_64+0xc6/0x1e0 [ 5407.657450][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5407.657450][ T74] [ 5407.659087][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5407.659087][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5407.659087][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5407.659087][ T74] ipv6_find_idev+0x102/0x170 [ 5407.659087][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5407.659087][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5407.659087][ T74] netlink_rcv_skb+0x130/0x360 [ 5407.659087][ T74] netlink_unicast+0x449/0x710 [ 5407.659087][ T74] netlink_sendmsg+0x723/0xbe0 [ 5407.659087][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5407.659087][ T74] ___sys_sendmsg+0xee/0x170 [ 5407.659087][ T74] __sys_sendmsg+0xcd/0x170 [ 5407.659087][ T74] do_syscall_64+0xc6/0x1e0 [ 5407.659087][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5407.659087][ T74] [ 5407.660872][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5407.661193][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5407.661193][ T74] netdev_get_by_index+0x5e/0x80 [ 5407.661193][ T74] fib6_nh_init+0x3d8/0x1580 [ 5407.661193][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5407.661193][ T74] ip6_route_add+0x1c/0x140 [ 5407.661193][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5407.661193][ T74] inet6_addr_add+0x4f8/0xa40 [ 5407.661193][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5407.661193][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5407.661193][ T74] netlink_rcv_skb+0x130/0x360 [ 5407.661193][ T74] netlink_unicast+0x449/0x710 [ 5407.661193][ T74] netlink_sendmsg+0x723/0xbe0 [ 5407.661193][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5407.661193][ T74] ___sys_sendmsg+0xee/0x170 [ 5407.661193][ T74] __sys_sendmsg+0xcd/0x170 [ 5407.661193][ T74] do_syscall_64+0xc6/0x1e0 [ 5407.661193][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5407.661193][ T74] [ 5407.663302][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5407.663302][ T74] netdev_get_by_index+0x5e/0x80 [ 5407.663302][ T74] fib6_nh_init+0x3d8/0x1580 [ 5407.663302][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5407.663302][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5407.663302][ T74] ipv6_add_addr+0x411/0x2000 [ 5407.663302][ T74] inet6_addr_add+0x30e/0xa40 [ 5407.663302][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5407.663302][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5407.663302][ T74] netlink_rcv_skb+0x130/0x360 [ 5407.663302][ T74] netlink_unicast+0x449/0x710 [ 5407.663302][ T74] netlink_sendmsg+0x723/0xbe0 [ 5407.663302][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5407.663302][ T74] ___sys_sendmsg+0xee/0x170 [ 5407.663302][ T74] __sys_sendmsg+0xcd/0x170 [ 5407.663302][ T74] do_syscall_64+0xc6/0x1e0 [ 5407.663302][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5407.663302][ T74] [ 5407.665385][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5407.665385][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5407.665385][ T74] ipv6_find_idev+0x102/0x170 [ 5407.665385][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5407.665385][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5407.665385][ T74] netlink_rcv_skb+0x130/0x360 [ 5407.665385][ T74] netlink_unicast+0x449/0x710 [ 5407.665385][ T74] netlink_sendmsg+0x723/0xbe0 [ 5407.665385][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5407.665385][ T74] ___sys_sendmsg+0xee/0x170 [ 5407.665385][ T74] __sys_sendmsg+0xcd/0x170 [ 5407.665385][ T74] do_syscall_64+0xc6/0x1e0 [ 5407.665385][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5407.665385][ T74] [ 5407.667016][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5407.667016][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5407.667016][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5407.667016][ T74] ipv6_find_idev+0x102/0x170 [ 5407.667016][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5407.667016][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5407.667016][ T74] netlink_rcv_skb+0x130/0x360 [ 5407.667016][ T74] netlink_unicast+0x449/0x710 [ 5407.667016][ T74] netlink_sendmsg+0x723/0xbe0 [ 5407.667016][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5407.667016][ T74] ___sys_sendmsg+0xee/0x170 [ 5407.667016][ T74] __sys_sendmsg+0xcd/0x170 [ 5407.667016][ T74] do_syscall_64+0xc6/0x1e0 [ 5407.667016][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5407.667016][ T74] [ 5417.919892][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5417.920364][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5417.920364][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5417.920364][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5417.920364][ T74] fib6_nh_init+0xa22/0x1580 [ 5417.920364][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5417.920364][ T74] ip6_route_add+0x1c/0x140 [ 5417.920364][ T74] inet6_rtm_newroute+0x104/0x110 [ 5417.920364][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5417.920364][ T74] netlink_rcv_skb+0x130/0x360 [ 5417.920364][ T74] netlink_unicast+0x449/0x710 [ 5417.920364][ T74] netlink_sendmsg+0x723/0xbe0 [ 5417.920364][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5417.920364][ T74] ___sys_sendmsg+0xee/0x170 [ 5417.920364][ T74] __sys_sendmsg+0xcd/0x170 [ 5417.920364][ T74] do_syscall_64+0xc6/0x1e0 [ 5417.920364][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5417.920364][ T74] [ 5417.922303][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5417.922303][ T74] netdev_get_by_index+0x5e/0x80 [ 5417.922303][ T74] fib6_nh_init+0x3d8/0x1580 [ 5417.922303][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5417.922303][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5417.922303][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5417.922303][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5417.922303][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5417.922303][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5417.922303][ T74] addrconf_dad_begin+0x310/0x670 [ 5417.922303][ T74] addrconf_dad_work+0x10b/0xab0 [ 5417.922303][ T74] process_one_work+0x84d/0x18a0 [ 5417.922303][ T74] worker_thread+0x587/0xd30 [ 5417.922303][ T74] kthread+0x28a/0x350 [ 5417.922303][ T74] ret_from_fork+0x31/0x70 [ 5417.922303][ T74] ret_from_fork_asm+0x1a/0x30 [ 5417.922303][ T74] [ 5417.924276][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5417.924276][ T74] netdev_get_by_index+0x5e/0x80 [ 5417.924276][ T74] fib6_nh_init+0x3d8/0x1580 [ 5417.924276][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5417.924276][ T74] ip6_route_add+0x1c/0x140 [ 5417.924276][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5417.924276][ T74] inet6_addr_add+0x4f8/0xa40 [ 5417.924276][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5417.924276][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5417.924276][ T74] netlink_rcv_skb+0x130/0x360 [ 5417.924276][ T74] netlink_unicast+0x449/0x710 [ 5417.924276][ T74] netlink_sendmsg+0x723/0xbe0 [ 5417.924276][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5417.924276][ T74] ___sys_sendmsg+0xee/0x170 [ 5417.924276][ T74] __sys_sendmsg+0xcd/0x170 [ 5417.924276][ T74] do_syscall_64+0xc6/0x1e0 [ 5417.924276][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5417.924276][ T74] [ 5417.926304][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5417.926304][ T74] netdev_get_by_index+0x5e/0x80 [ 5417.926304][ T74] fib6_nh_init+0x3d8/0x1580 [ 5417.926304][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5417.926304][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5417.926304][ T74] ipv6_add_addr+0x411/0x2000 [ 5417.926304][ T74] inet6_addr_add+0x30e/0xa40 [ 5417.926304][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5417.926304][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5417.926304][ T74] netlink_rcv_skb+0x130/0x360 [ 5417.926304][ T74] netlink_unicast+0x449/0x710 [ 5417.926304][ T74] netlink_sendmsg+0x723/0xbe0 [ 5417.926304][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5417.926304][ T74] ___sys_sendmsg+0xee/0x170 [ 5417.926304][ T74] __sys_sendmsg+0xcd/0x170 [ 5417.926304][ T74] do_syscall_64+0xc6/0x1e0 [ 5417.926304][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5417.926304][ T74] [ 5417.928349][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5417.928349][ T74] netdev_get_by_index+0x5e/0x80 [ 5417.928349][ T74] fib6_nh_init+0x3d8/0x1580 [ 5417.928349][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5417.928349][ T74] ip6_route_add+0x1c/0x140 [ 5417.928349][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5417.928349][ T74] addrconf_add_dev+0xe2/0x170 [ 5417.928349][ T74] inet6_addr_add+0x12f/0xa40 [ 5417.928349][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5417.928349][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5417.928349][ T74] netlink_rcv_skb+0x130/0x360 [ 5417.928349][ T74] netlink_unicast+0x449/0x710 [ 5417.928349][ T74] netlink_sendmsg+0x723/0xbe0 [ 5417.928349][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5417.928349][ T74] ___sys_sendmsg+0xee/0x170 [ 5417.928349][ T74] __sys_sendmsg+0xcd/0x170 [ 5417.928349][ T74] do_syscall_64+0xc6/0x1e0 [ 5417.928349][ T74] [ 5417.930331][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5417.930331][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5417.930331][ T74] ipv6_find_idev+0x102/0x170 [ 5417.930331][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5417.930331][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5417.930331][ T74] netlink_rcv_skb+0x130/0x360 [ 5417.930331][ T74] netlink_unicast+0x449/0x710 [ 5417.930331][ T74] netlink_sendmsg+0x723/0xbe0 [ 5417.930331][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5417.930331][ T74] ___sys_sendmsg+0xee/0x170 [ 5417.930331][ T74] __sys_sendmsg+0xcd/0x170 [ 5417.930331][ T74] do_syscall_64+0xc6/0x1e0 [ 5417.930331][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5417.930331][ T74] [ 5417.931895][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5417.931895][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5417.931895][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5417.931895][ T74] ipv6_find_idev+0x102/0x170 [ 5417.931895][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5417.931895][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5417.931895][ T74] netlink_rcv_skb+0x130/0x360 [ 5417.931895][ T74] netlink_unicast+0x449/0x710 [ 5417.931895][ T74] netlink_sendmsg+0x723/0xbe0 [ 5417.931895][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5417.931895][ T74] ___sys_sendmsg+0xee/0x170 [ 5417.931895][ T74] __sys_sendmsg+0xcd/0x170 [ 5417.931895][ T74] do_syscall_64+0xc6/0x1e0 [ 5417.931895][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5417.931895][ T74] [ 5417.933633][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5417.933926][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5417.933926][ T74] dst_init+0x84/0x4a0 [ 5417.933926][ T74] dst_alloc+0x97/0x150 [ 5417.933926][ T74] ip6_dst_alloc+0x23/0x90 [ 5417.933926][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5417.933926][ T74] ip6_pol_route+0x56f/0x840 [ 5417.933926][ T74] fib6_rule_lookup+0x456/0x630 [ 5417.933926][ T74] ip6_route_input+0x59c/0xa50 [ 5417.933926][ T74] ipv6_rcv+0x397/0x810 [ 5417.933926][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5417.933926][ T74] process_backlog+0x101/0x620 [ 5417.933926][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5417.933926][ T74] net_rx_action+0x495/0xbe0 [ 5417.933926][ T74] __do_softirq+0x1b5/0x7f6 [ 5417.933926][ T74] [ 5417.935595][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5417.935595][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5417.935595][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5417.935595][ T74] fib6_nh_init+0xa22/0x1580 [ 5417.935595][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5417.935595][ T74] ip6_route_add+0x1c/0x140 [ 5417.935595][ T74] inet6_rtm_newroute+0x104/0x110 [ 5417.935595][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5417.935595][ T74] netlink_rcv_skb+0x130/0x360 [ 5417.935595][ T74] netlink_unicast+0x449/0x710 [ 5417.935595][ T74] netlink_sendmsg+0x723/0xbe0 [ 5417.935595][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5417.935595][ T74] ___sys_sendmsg+0xee/0x170 [ 5417.935595][ T74] __sys_sendmsg+0xcd/0x170 [ 5417.935595][ T74] do_syscall_64+0xc6/0x1e0 [ 5417.935595][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5417.935595][ T74] [ 5417.937505][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5417.937505][ T74] netdev_get_by_index+0x5e/0x80 [ 5417.937505][ T74] fib6_nh_init+0x3d8/0x1580 [ 5417.937505][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5417.937505][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5417.937505][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5417.937505][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5417.937505][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5417.937505][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5417.937505][ T74] addrconf_dad_begin+0x310/0x670 [ 5417.937505][ T74] addrconf_dad_work+0x10b/0xab0 [ 5417.937505][ T74] process_one_work+0x84d/0x18a0 [ 5417.937505][ T74] worker_thread+0x587/0xd30 [ 5417.937505][ T74] kthread+0x28a/0x350 [ 5417.937505][ T74] ret_from_fork+0x31/0x70 [ 5417.937505][ T74] ret_from_fork_asm+0x1a/0x30 [ 5417.937505][ T74] [ 5417.939449][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5417.939449][ T74] netdev_get_by_index+0x5e/0x80 [ 5417.939449][ T74] fib6_nh_init+0x3d8/0x1580 [ 5417.939449][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5417.939449][ T74] ip6_route_add+0x1c/0x140 [ 5417.939449][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5417.939449][ T74] inet6_addr_add+0x4f8/0xa40 [ 5417.939449][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5417.939449][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5417.939449][ T74] netlink_rcv_skb+0x130/0x360 [ 5417.939449][ T74] netlink_unicast+0x449/0x710 [ 5417.939449][ T74] netlink_sendmsg+0x723/0xbe0 [ 5417.939449][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5417.939449][ T74] ___sys_sendmsg+0xee/0x170 [ 5417.939449][ T74] __sys_sendmsg+0xcd/0x170 [ 5417.939449][ T74] do_syscall_64+0xc6/0x1e0 [ 5417.939449][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5417.939449][ T74] [ 5417.941482][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5417.941482][ T74] netdev_get_by_index+0x5e/0x80 [ 5417.941482][ T74] fib6_nh_init+0x3d8/0x1580 [ 5417.941482][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5417.941482][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5417.941482][ T74] ipv6_add_addr+0x411/0x2000 [ 5417.941482][ T74] inet6_addr_add+0x30e/0xa40 [ 5417.941482][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5417.941482][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5417.941482][ T74] netlink_rcv_skb+0x130/0x360 [ 5417.941482][ T74] netlink_unicast+0x449/0x710 [ 5417.941482][ T74] netlink_sendmsg+0x723/0xbe0 [ 5417.941482][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5417.941482][ T74] ___sys_sendmsg+0xee/0x170 [ 5417.941482][ T74] __sys_sendmsg+0xcd/0x170 [ 5417.941482][ T74] do_syscall_64+0xc6/0x1e0 [ 5417.941482][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5417.941482][ T74] [ 5417.943541][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5417.943541][ T74] netdev_get_by_index+0x5e/0x80 [ 5417.943541][ T74] fib6_nh_init+0x3d8/0x1580 [ 5417.943541][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5417.943541][ T74] ip6_route_add+0x1c/0x140 [ 5417.943541][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5417.943541][ T74] addrconf_add_dev+0xe2/0x170 [ 5417.943541][ T74] inet6_addr_add+0x12f/0xa40 [ 5417.943541][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5417.943541][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5417.943541][ T74] netlink_rcv_skb+0x130/0x360 [ 5417.943541][ T74] netlink_unicast+0x449/0x710 [ 5417.943541][ T74] netlink_sendmsg+0x723/0xbe0 [ 5417.943541][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5417.943541][ T74] ___sys_sendmsg+0xee/0x170 [ 5417.943541][ T74] __sys_sendmsg+0xcd/0x170 [ 5417.943541][ T74] do_syscall_64+0xc6/0x1e0 [ 5417.943541][ T74] [ 5417.945536][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5417.945536][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5417.945536][ T74] ipv6_find_idev+0x102/0x170 [ 5417.945536][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5417.945536][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5417.945536][ T74] netlink_rcv_skb+0x130/0x360 [ 5417.945536][ T74] netlink_unicast+0x449/0x710 [ 5417.945536][ T74] netlink_sendmsg+0x723/0xbe0 [ 5417.945536][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5417.945536][ T74] ___sys_sendmsg+0xee/0x170 [ 5417.945536][ T74] __sys_sendmsg+0xcd/0x170 [ 5417.945536][ T74] do_syscall_64+0xc6/0x1e0 [ 5417.945536][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5417.945536][ T74] [ 5417.947171][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5417.947171][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5417.947171][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5417.947171][ T74] ipv6_find_idev+0x102/0x170 [ 5417.947171][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5417.947171][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5417.947171][ T74] netlink_rcv_skb+0x130/0x360 [ 5417.947171][ T74] netlink_unicast+0x449/0x710 [ 5417.947171][ T74] netlink_sendmsg+0x723/0xbe0 [ 5417.947171][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5417.947171][ T74] ___sys_sendmsg+0xee/0x170 [ 5417.947171][ T74] __sys_sendmsg+0xcd/0x170 [ 5417.947171][ T74] do_syscall_64+0xc6/0x1e0 [ 5417.947171][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5417.947171][ T74] [ 5417.949033][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5417.949351][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5417.949351][ T74] netdev_get_by_index+0x5e/0x80 [ 5417.949351][ T74] fib6_nh_init+0x3d8/0x1580 [ 5417.949351][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5417.949351][ T74] ip6_route_add+0x1c/0x140 [ 5417.949351][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5417.949351][ T74] inet6_addr_add+0x4f8/0xa40 [ 5417.949351][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5417.949351][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5417.949351][ T74] netlink_rcv_skb+0x130/0x360 [ 5417.949351][ T74] netlink_unicast+0x449/0x710 [ 5417.949351][ T74] netlink_sendmsg+0x723/0xbe0 [ 5417.949351][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5417.949351][ T74] ___sys_sendmsg+0xee/0x170 [ 5417.949351][ T74] __sys_sendmsg+0xcd/0x170 [ 5417.949351][ T74] do_syscall_64+0xc6/0x1e0 [ 5417.949351][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5417.949351][ T74] [ 5417.951444][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5417.951444][ T74] netdev_get_by_index+0x5e/0x80 [ 5417.951444][ T74] fib6_nh_init+0x3d8/0x1580 [ 5417.951444][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5417.951444][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5417.951444][ T74] ipv6_add_addr+0x411/0x2000 [ 5417.951444][ T74] inet6_addr_add+0x30e/0xa40 [ 5417.951444][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5417.951444][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5417.951444][ T74] netlink_rcv_skb+0x130/0x360 [ 5417.951444][ T74] netlink_unicast+0x449/0x710 [ 5417.951444][ T74] netlink_sendmsg+0x723/0xbe0 [ 5417.951444][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5417.951444][ T74] ___sys_sendmsg+0xee/0x170 [ 5417.951444][ T74] __sys_sendmsg+0xcd/0x170 [ 5417.951444][ T74] do_syscall_64+0xc6/0x1e0 [ 5417.951444][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5417.951444][ T74] [ 5417.953534][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5417.953534][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5417.953534][ T74] ipv6_find_idev+0x102/0x170 [ 5417.953534][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5417.953534][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5417.953534][ T74] netlink_rcv_skb+0x130/0x360 [ 5417.953534][ T74] netlink_unicast+0x449/0x710 [ 5417.953534][ T74] netlink_sendmsg+0x723/0xbe0 [ 5417.953534][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5417.953534][ T74] ___sys_sendmsg+0xee/0x170 [ 5417.953534][ T74] __sys_sendmsg+0xcd/0x170 [ 5417.953534][ T74] do_syscall_64+0xc6/0x1e0 [ 5417.953534][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5417.953534][ T74] [ 5417.955152][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5417.955152][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5417.955152][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5417.955152][ T74] ipv6_find_idev+0x102/0x170 [ 5417.955152][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5417.955152][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5417.955152][ T74] netlink_rcv_skb+0x130/0x360 [ 5417.955152][ T74] netlink_unicast+0x449/0x710 [ 5417.955152][ T74] netlink_sendmsg+0x723/0xbe0 [ 5417.955152][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5417.955152][ T74] ___sys_sendmsg+0xee/0x170 [ 5417.955152][ T74] __sys_sendmsg+0xcd/0x170 [ 5417.955152][ T74] do_syscall_64+0xc6/0x1e0 [ 5417.955152][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5417.955152][ T74] [ 5427.959954][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5427.960386][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5427.960386][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5427.960386][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5427.960386][ T74] fib6_nh_init+0xa22/0x1580 [ 5427.960386][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5427.960386][ T74] ip6_route_add+0x1c/0x140 [ 5427.960386][ T74] inet6_rtm_newroute+0x104/0x110 [ 5427.960386][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5427.960386][ T74] netlink_rcv_skb+0x130/0x360 [ 5427.960386][ T74] netlink_unicast+0x449/0x710 [ 5427.960386][ T74] netlink_sendmsg+0x723/0xbe0 [ 5427.960386][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5427.960386][ T74] ___sys_sendmsg+0xee/0x170 [ 5427.960386][ T74] __sys_sendmsg+0xcd/0x170 [ 5427.960386][ T74] do_syscall_64+0xc6/0x1e0 [ 5427.960386][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5427.960386][ T74] [ 5427.962337][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5427.962337][ T74] netdev_get_by_index+0x5e/0x80 [ 5427.962337][ T74] fib6_nh_init+0x3d8/0x1580 [ 5427.962337][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5427.962337][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5427.962337][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5427.962337][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5427.962337][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5427.962337][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5427.962337][ T74] addrconf_dad_begin+0x310/0x670 [ 5427.962337][ T74] addrconf_dad_work+0x10b/0xab0 [ 5427.962337][ T74] process_one_work+0x84d/0x18a0 [ 5427.962337][ T74] worker_thread+0x587/0xd30 [ 5427.962337][ T74] kthread+0x28a/0x350 [ 5427.962337][ T74] ret_from_fork+0x31/0x70 [ 5427.962337][ T74] ret_from_fork_asm+0x1a/0x30 [ 5427.962337][ T74] [ 5427.964258][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5427.964258][ T74] netdev_get_by_index+0x5e/0x80 [ 5427.964258][ T74] fib6_nh_init+0x3d8/0x1580 [ 5427.964258][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5427.964258][ T74] ip6_route_add+0x1c/0x140 [ 5427.964258][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5427.964258][ T74] inet6_addr_add+0x4f8/0xa40 [ 5427.964258][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5427.964258][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5427.964258][ T74] netlink_rcv_skb+0x130/0x360 [ 5427.964258][ T74] netlink_unicast+0x449/0x710 [ 5427.964258][ T74] netlink_sendmsg+0x723/0xbe0 [ 5427.964258][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5427.964258][ T74] ___sys_sendmsg+0xee/0x170 [ 5427.964258][ T74] __sys_sendmsg+0xcd/0x170 [ 5427.964258][ T74] do_syscall_64+0xc6/0x1e0 [ 5427.964258][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5427.964258][ T74] [ 5427.966253][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5427.966253][ T74] netdev_get_by_index+0x5e/0x80 [ 5427.966253][ T74] fib6_nh_init+0x3d8/0x1580 [ 5427.966253][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5427.966253][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5427.966253][ T74] ipv6_add_addr+0x411/0x2000 [ 5427.966253][ T74] inet6_addr_add+0x30e/0xa40 [ 5427.966253][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5427.966253][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5427.966253][ T74] netlink_rcv_skb+0x130/0x360 [ 5427.966253][ T74] netlink_unicast+0x449/0x710 [ 5427.966253][ T74] netlink_sendmsg+0x723/0xbe0 [ 5427.966253][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5427.966253][ T74] ___sys_sendmsg+0xee/0x170 [ 5427.966253][ T74] __sys_sendmsg+0xcd/0x170 [ 5427.966253][ T74] do_syscall_64+0xc6/0x1e0 [ 5427.966253][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5427.966253][ T74] [ 5427.968248][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5427.968248][ T74] netdev_get_by_index+0x5e/0x80 [ 5427.968248][ T74] fib6_nh_init+0x3d8/0x1580 [ 5427.968248][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5427.968248][ T74] ip6_route_add+0x1c/0x140 [ 5427.968248][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5427.968248][ T74] addrconf_add_dev+0xe2/0x170 [ 5427.968248][ T74] inet6_addr_add+0x12f/0xa40 [ 5427.968248][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5427.968248][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5427.968248][ T74] netlink_rcv_skb+0x130/0x360 [ 5427.968248][ T74] netlink_unicast+0x449/0x710 [ 5427.968248][ T74] netlink_sendmsg+0x723/0xbe0 [ 5427.968248][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5427.968248][ T74] ___sys_sendmsg+0xee/0x170 [ 5427.968248][ T74] __sys_sendmsg+0xcd/0x170 [ 5427.968248][ T74] do_syscall_64+0xc6/0x1e0 [ 5427.968248][ T74] [ 5427.970218][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5427.970218][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5427.970218][ T74] ipv6_find_idev+0x102/0x170 [ 5427.970218][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5427.970218][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5427.970218][ T74] netlink_rcv_skb+0x130/0x360 [ 5427.970218][ T74] netlink_unicast+0x449/0x710 [ 5427.970218][ T74] netlink_sendmsg+0x723/0xbe0 [ 5427.970218][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5427.970218][ T74] ___sys_sendmsg+0xee/0x170 [ 5427.970218][ T74] __sys_sendmsg+0xcd/0x170 [ 5427.970218][ T74] do_syscall_64+0xc6/0x1e0 [ 5427.970218][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5427.970218][ T74] [ 5427.971748][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5427.971748][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5427.971748][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5427.971748][ T74] ipv6_find_idev+0x102/0x170 [ 5427.971748][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5427.971748][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5427.971748][ T74] netlink_rcv_skb+0x130/0x360 [ 5427.971748][ T74] netlink_unicast+0x449/0x710 [ 5427.971748][ T74] netlink_sendmsg+0x723/0xbe0 [ 5427.971748][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5427.971748][ T74] ___sys_sendmsg+0xee/0x170 [ 5427.971748][ T74] __sys_sendmsg+0xcd/0x170 [ 5427.971748][ T74] do_syscall_64+0xc6/0x1e0 [ 5427.971748][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5427.971748][ T74] [ 5427.973430][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5427.973707][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5427.973707][ T74] dst_init+0x84/0x4a0 [ 5427.973707][ T74] dst_alloc+0x97/0x150 [ 5427.973707][ T74] ip6_dst_alloc+0x23/0x90 [ 5427.973707][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5427.973707][ T74] ip6_pol_route+0x56f/0x840 [ 5427.973707][ T74] fib6_rule_lookup+0x456/0x630 [ 5427.973707][ T74] ip6_route_input+0x59c/0xa50 [ 5427.973707][ T74] ipv6_rcv+0x397/0x810 [ 5427.973707][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5427.973707][ T74] process_backlog+0x101/0x620 [ 5427.973707][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5427.973707][ T74] net_rx_action+0x495/0xbe0 [ 5427.973707][ T74] __do_softirq+0x1b5/0x7f6 [ 5427.973707][ T74] [ 5427.975329][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5427.975329][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5427.975329][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5427.975329][ T74] fib6_nh_init+0xa22/0x1580 [ 5427.975329][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5427.975329][ T74] ip6_route_add+0x1c/0x140 [ 5427.975329][ T74] inet6_rtm_newroute+0x104/0x110 [ 5427.975329][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5427.975329][ T74] netlink_rcv_skb+0x130/0x360 [ 5427.975329][ T74] netlink_unicast+0x449/0x710 [ 5427.975329][ T74] netlink_sendmsg+0x723/0xbe0 [ 5427.975329][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5427.975329][ T74] ___sys_sendmsg+0xee/0x170 [ 5427.975329][ T74] __sys_sendmsg+0xcd/0x170 [ 5427.975329][ T74] do_syscall_64+0xc6/0x1e0 [ 5427.975329][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5427.975329][ T74] [ 5427.977184][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5427.977184][ T74] netdev_get_by_index+0x5e/0x80 [ 5427.977184][ T74] fib6_nh_init+0x3d8/0x1580 [ 5427.977184][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5427.977184][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5427.977184][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5427.977184][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5427.977184][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5427.977184][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5427.977184][ T74] addrconf_dad_begin+0x310/0x670 [ 5427.977184][ T74] addrconf_dad_work+0x10b/0xab0 [ 5427.977184][ T74] process_one_work+0x84d/0x18a0 [ 5427.977184][ T74] worker_thread+0x587/0xd30 [ 5427.977184][ T74] kthread+0x28a/0x350 [ 5427.977184][ T74] ret_from_fork+0x31/0x70 [ 5427.977184][ T74] ret_from_fork_asm+0x1a/0x30 [ 5427.977184][ T74] [ 5427.979076][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5427.979076][ T74] netdev_get_by_index+0x5e/0x80 [ 5427.979076][ T74] fib6_nh_init+0x3d8/0x1580 [ 5427.979076][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5427.979076][ T74] ip6_route_add+0x1c/0x140 [ 5427.979076][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5427.979076][ T74] inet6_addr_add+0x4f8/0xa40 [ 5427.979076][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5427.979076][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5427.979076][ T74] netlink_rcv_skb+0x130/0x360 [ 5427.979076][ T74] netlink_unicast+0x449/0x710 [ 5427.979076][ T74] netlink_sendmsg+0x723/0xbe0 [ 5427.979076][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5427.979076][ T74] ___sys_sendmsg+0xee/0x170 [ 5427.979076][ T74] __sys_sendmsg+0xcd/0x170 [ 5427.979076][ T74] do_syscall_64+0xc6/0x1e0 [ 5427.979076][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5427.979076][ T74] [ 5427.981060][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5427.981060][ T74] netdev_get_by_index+0x5e/0x80 [ 5427.981060][ T74] fib6_nh_init+0x3d8/0x1580 [ 5427.981060][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5427.981060][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5427.981060][ T74] ipv6_add_addr+0x411/0x2000 [ 5427.981060][ T74] inet6_addr_add+0x30e/0xa40 [ 5427.981060][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5427.981060][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5427.981060][ T74] netlink_rcv_skb+0x130/0x360 [ 5427.981060][ T74] netlink_unicast+0x449/0x710 [ 5427.981060][ T74] netlink_sendmsg+0x723/0xbe0 [ 5427.981060][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5427.981060][ T74] ___sys_sendmsg+0xee/0x170 [ 5427.981060][ T74] __sys_sendmsg+0xcd/0x170 [ 5427.981060][ T74] do_syscall_64+0xc6/0x1e0 [ 5427.981060][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5427.981060][ T74] [ 5427.983047][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5427.983047][ T74] netdev_get_by_index+0x5e/0x80 [ 5427.983047][ T74] fib6_nh_init+0x3d8/0x1580 [ 5427.983047][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5427.983047][ T74] ip6_route_add+0x1c/0x140 [ 5427.983047][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5427.983047][ T74] addrconf_add_dev+0xe2/0x170 [ 5427.983047][ T74] inet6_addr_add+0x12f/0xa40 [ 5427.983047][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5427.983047][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5427.983047][ T74] netlink_rcv_skb+0x130/0x360 [ 5427.983047][ T74] netlink_unicast+0x449/0x710 [ 5427.983047][ T74] netlink_sendmsg+0x723/0xbe0 [ 5427.983047][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5427.983047][ T74] ___sys_sendmsg+0xee/0x170 [ 5427.983047][ T74] __sys_sendmsg+0xcd/0x170 [ 5427.983047][ T74] do_syscall_64+0xc6/0x1e0 [ 5427.983047][ T74] [ 5427.985009][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5427.985009][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5427.985009][ T74] ipv6_find_idev+0x102/0x170 [ 5427.985009][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5427.985009][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5427.985009][ T74] netlink_rcv_skb+0x130/0x360 [ 5427.985009][ T74] netlink_unicast+0x449/0x710 [ 5427.985009][ T74] netlink_sendmsg+0x723/0xbe0 [ 5427.985009][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5427.985009][ T74] ___sys_sendmsg+0xee/0x170 [ 5427.985009][ T74] __sys_sendmsg+0xcd/0x170 [ 5427.985009][ T74] do_syscall_64+0xc6/0x1e0 [ 5427.985009][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5427.985009][ T74] [ 5427.987406][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5427.987406][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5427.987406][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5427.987406][ T74] ipv6_find_idev+0x102/0x170 [ 5427.987406][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5427.987406][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5427.987406][ T74] netlink_rcv_skb+0x130/0x360 [ 5427.987406][ T74] netlink_unicast+0x449/0x710 [ 5427.987406][ T74] netlink_sendmsg+0x723/0xbe0 [ 5427.987406][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5427.987406][ T74] ___sys_sendmsg+0xee/0x170 [ 5427.987406][ T74] __sys_sendmsg+0xcd/0x170 [ 5427.987406][ T74] do_syscall_64+0xc6/0x1e0 [ 5427.987406][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5427.987406][ T74] [ 5427.989391][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5427.989630][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5427.989630][ T74] netdev_get_by_index+0x5e/0x80 [ 5427.989630][ T74] fib6_nh_init+0x3d8/0x1580 [ 5427.989630][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5427.989630][ T74] ip6_route_add+0x1c/0x140 [ 5427.989630][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5427.989630][ T74] inet6_addr_add+0x4f8/0xa40 [ 5427.989630][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5427.989630][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5427.989630][ T74] netlink_rcv_skb+0x130/0x360 [ 5427.989630][ T74] netlink_unicast+0x449/0x710 [ 5427.989630][ T74] netlink_sendmsg+0x723/0xbe0 [ 5427.989630][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5427.989630][ T74] ___sys_sendmsg+0xee/0x170 [ 5427.989630][ T74] __sys_sendmsg+0xcd/0x170 [ 5427.989630][ T74] do_syscall_64+0xc6/0x1e0 [ 5427.989630][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5427.989630][ T74] [ 5427.991855][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5427.991855][ T74] netdev_get_by_index+0x5e/0x80 [ 5427.991855][ T74] fib6_nh_init+0x3d8/0x1580 [ 5427.991855][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5427.991855][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5427.991855][ T74] ipv6_add_addr+0x411/0x2000 [ 5427.991855][ T74] inet6_addr_add+0x30e/0xa40 [ 5427.991855][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5427.991855][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5427.991855][ T74] netlink_rcv_skb+0x130/0x360 [ 5427.991855][ T74] netlink_unicast+0x449/0x710 [ 5427.991855][ T74] netlink_sendmsg+0x723/0xbe0 [ 5427.991855][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5427.991855][ T74] ___sys_sendmsg+0xee/0x170 [ 5427.991855][ T74] __sys_sendmsg+0xcd/0x170 [ 5427.991855][ T74] do_syscall_64+0xc6/0x1e0 [ 5427.991855][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5427.991855][ T74] [ 5427.994095][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5427.994095][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5427.994095][ T74] ipv6_find_idev+0x102/0x170 [ 5427.994095][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5427.994095][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5427.994095][ T74] netlink_rcv_skb+0x130/0x360 [ 5427.994095][ T74] netlink_unicast+0x449/0x710 [ 5427.994095][ T74] netlink_sendmsg+0x723/0xbe0 [ 5427.994095][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5427.994095][ T74] ___sys_sendmsg+0xee/0x170 [ 5427.994095][ T74] __sys_sendmsg+0xcd/0x170 [ 5427.994095][ T74] do_syscall_64+0xc6/0x1e0 [ 5427.994095][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5427.994095][ T74] [ 5427.995686][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5427.995686][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5427.995686][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5427.995686][ T74] ipv6_find_idev+0x102/0x170 [ 5427.995686][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5427.995686][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5427.995686][ T74] netlink_rcv_skb+0x130/0x360 [ 5427.995686][ T74] netlink_unicast+0x449/0x710 [ 5427.995686][ T74] netlink_sendmsg+0x723/0xbe0 [ 5427.995686][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5427.995686][ T74] ___sys_sendmsg+0xee/0x170 [ 5427.995686][ T74] __sys_sendmsg+0xcd/0x170 [ 5427.995686][ T74] do_syscall_64+0xc6/0x1e0 [ 5427.995686][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5427.995686][ T74] [ 5438.239949][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5438.240379][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5438.240379][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5438.240379][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5438.240379][ T74] fib6_nh_init+0xa22/0x1580 [ 5438.240379][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5438.240379][ T74] ip6_route_add+0x1c/0x140 [ 5438.240379][ T74] inet6_rtm_newroute+0x104/0x110 [ 5438.240379][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5438.240379][ T74] netlink_rcv_skb+0x130/0x360 [ 5438.240379][ T74] netlink_unicast+0x449/0x710 [ 5438.240379][ T74] netlink_sendmsg+0x723/0xbe0 [ 5438.240379][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5438.240379][ T74] ___sys_sendmsg+0xee/0x170 [ 5438.240379][ T74] __sys_sendmsg+0xcd/0x170 [ 5438.240379][ T74] do_syscall_64+0xc6/0x1e0 [ 5438.240379][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5438.240379][ T74] [ 5438.242274][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5438.242274][ T74] netdev_get_by_index+0x5e/0x80 [ 5438.242274][ T74] fib6_nh_init+0x3d8/0x1580 [ 5438.242274][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5438.242274][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5438.242274][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5438.242274][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5438.242274][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5438.242274][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5438.242274][ T74] addrconf_dad_begin+0x310/0x670 [ 5438.242274][ T74] addrconf_dad_work+0x10b/0xab0 [ 5438.242274][ T74] process_one_work+0x84d/0x18a0 [ 5438.242274][ T74] worker_thread+0x587/0xd30 [ 5438.242274][ T74] kthread+0x28a/0x350 [ 5438.242274][ T74] ret_from_fork+0x31/0x70 [ 5438.242274][ T74] ret_from_fork_asm+0x1a/0x30 [ 5438.242274][ T74] [ 5438.244193][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5438.244193][ T74] netdev_get_by_index+0x5e/0x80 [ 5438.244193][ T74] fib6_nh_init+0x3d8/0x1580 [ 5438.244193][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5438.244193][ T74] ip6_route_add+0x1c/0x140 [ 5438.244193][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5438.244193][ T74] inet6_addr_add+0x4f8/0xa40 [ 5438.244193][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5438.244193][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5438.244193][ T74] netlink_rcv_skb+0x130/0x360 [ 5438.244193][ T74] netlink_unicast+0x449/0x710 [ 5438.244193][ T74] netlink_sendmsg+0x723/0xbe0 [ 5438.244193][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5438.244193][ T74] ___sys_sendmsg+0xee/0x170 [ 5438.244193][ T74] __sys_sendmsg+0xcd/0x170 [ 5438.244193][ T74] do_syscall_64+0xc6/0x1e0 [ 5438.244193][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5438.244193][ T74] [ 5438.246746][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5438.246746][ T74] netdev_get_by_index+0x5e/0x80 [ 5438.246746][ T74] fib6_nh_init+0x3d8/0x1580 [ 5438.246746][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5438.246746][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5438.246746][ T74] ipv6_add_addr+0x411/0x2000 [ 5438.246746][ T74] inet6_addr_add+0x30e/0xa40 [ 5438.246746][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5438.246746][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5438.246746][ T74] netlink_rcv_skb+0x130/0x360 [ 5438.246746][ T74] netlink_unicast+0x449/0x710 [ 5438.246746][ T74] netlink_sendmsg+0x723/0xbe0 [ 5438.246746][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5438.246746][ T74] ___sys_sendmsg+0xee/0x170 [ 5438.246746][ T74] __sys_sendmsg+0xcd/0x170 [ 5438.246746][ T74] do_syscall_64+0xc6/0x1e0 [ 5438.246746][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5438.246746][ T74] [ 5438.248726][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5438.248726][ T74] netdev_get_by_index+0x5e/0x80 [ 5438.248726][ T74] fib6_nh_init+0x3d8/0x1580 [ 5438.248726][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5438.248726][ T74] ip6_route_add+0x1c/0x140 [ 5438.248726][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5438.248726][ T74] addrconf_add_dev+0xe2/0x170 [ 5438.248726][ T74] inet6_addr_add+0x12f/0xa40 [ 5438.248726][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5438.248726][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5438.248726][ T74] netlink_rcv_skb+0x130/0x360 [ 5438.248726][ T74] netlink_unicast+0x449/0x710 [ 5438.248726][ T74] netlink_sendmsg+0x723/0xbe0 [ 5438.248726][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5438.248726][ T74] ___sys_sendmsg+0xee/0x170 [ 5438.248726][ T74] __sys_sendmsg+0xcd/0x170 [ 5438.248726][ T74] do_syscall_64+0xc6/0x1e0 [ 5438.248726][ T74] [ 5438.250669][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5438.250669][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5438.250669][ T74] ipv6_find_idev+0x102/0x170 [ 5438.250669][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5438.250669][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5438.250669][ T74] netlink_rcv_skb+0x130/0x360 [ 5438.250669][ T74] netlink_unicast+0x449/0x710 [ 5438.250669][ T74] netlink_sendmsg+0x723/0xbe0 [ 5438.250669][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5438.250669][ T74] ___sys_sendmsg+0xee/0x170 [ 5438.250669][ T74] __sys_sendmsg+0xcd/0x170 [ 5438.250669][ T74] do_syscall_64+0xc6/0x1e0 [ 5438.250669][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5438.250669][ T74] [ 5438.252191][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5438.252191][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5438.252191][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5438.252191][ T74] ipv6_find_idev+0x102/0x170 [ 5438.252191][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5438.252191][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5438.252191][ T74] netlink_rcv_skb+0x130/0x360 [ 5438.252191][ T74] netlink_unicast+0x449/0x710 [ 5438.252191][ T74] netlink_sendmsg+0x723/0xbe0 [ 5438.252191][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5438.252191][ T74] ___sys_sendmsg+0xee/0x170 [ 5438.252191][ T74] __sys_sendmsg+0xcd/0x170 [ 5438.252191][ T74] do_syscall_64+0xc6/0x1e0 [ 5438.252191][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5438.252191][ T74] [ 5438.253882][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5438.254155][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5438.254155][ T74] dst_init+0x84/0x4a0 [ 5438.254155][ T74] dst_alloc+0x97/0x150 [ 5438.254155][ T74] ip6_dst_alloc+0x23/0x90 [ 5438.254155][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5438.254155][ T74] ip6_pol_route+0x56f/0x840 [ 5438.254155][ T74] fib6_rule_lookup+0x456/0x630 [ 5438.254155][ T74] ip6_route_input+0x59c/0xa50 [ 5438.254155][ T74] ipv6_rcv+0x397/0x810 [ 5438.254155][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5438.254155][ T74] process_backlog+0x101/0x620 [ 5438.254155][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5438.254155][ T74] net_rx_action+0x495/0xbe0 [ 5438.254155][ T74] __do_softirq+0x1b5/0x7f6 [ 5438.254155][ T74] [ 5438.255790][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5438.255790][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5438.255790][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5438.255790][ T74] fib6_nh_init+0xa22/0x1580 [ 5438.255790][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5438.255790][ T74] ip6_route_add+0x1c/0x140 [ 5438.255790][ T74] inet6_rtm_newroute+0x104/0x110 [ 5438.255790][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5438.255790][ T74] netlink_rcv_skb+0x130/0x360 [ 5438.255790][ T74] netlink_unicast+0x449/0x710 [ 5438.255790][ T74] netlink_sendmsg+0x723/0xbe0 [ 5438.255790][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5438.255790][ T74] ___sys_sendmsg+0xee/0x170 [ 5438.255790][ T74] __sys_sendmsg+0xcd/0x170 [ 5438.255790][ T74] do_syscall_64+0xc6/0x1e0 [ 5438.255790][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5438.255790][ T74] [ 5438.257659][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5438.257659][ T74] netdev_get_by_index+0x5e/0x80 [ 5438.257659][ T74] fib6_nh_init+0x3d8/0x1580 [ 5438.257659][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5438.257659][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5438.257659][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5438.257659][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5438.257659][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5438.257659][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5438.257659][ T74] addrconf_dad_begin+0x310/0x670 [ 5438.257659][ T74] addrconf_dad_work+0x10b/0xab0 [ 5438.257659][ T74] process_one_work+0x84d/0x18a0 [ 5438.257659][ T74] worker_thread+0x587/0xd30 [ 5438.257659][ T74] kthread+0x28a/0x350 [ 5438.257659][ T74] ret_from_fork+0x31/0x70 [ 5438.257659][ T74] ret_from_fork_asm+0x1a/0x30 [ 5438.257659][ T74] [ 5438.259559][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5438.259559][ T74] netdev_get_by_index+0x5e/0x80 [ 5438.259559][ T74] fib6_nh_init+0x3d8/0x1580 [ 5438.259559][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5438.259559][ T74] ip6_route_add+0x1c/0x140 [ 5438.259559][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5438.259559][ T74] inet6_addr_add+0x4f8/0xa40 [ 5438.259559][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5438.259559][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5438.259559][ T74] netlink_rcv_skb+0x130/0x360 [ 5438.259559][ T74] netlink_unicast+0x449/0x710 [ 5438.259559][ T74] netlink_sendmsg+0x723/0xbe0 [ 5438.259559][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5438.259559][ T74] ___sys_sendmsg+0xee/0x170 [ 5438.259559][ T74] __sys_sendmsg+0xcd/0x170 [ 5438.259559][ T74] do_syscall_64+0xc6/0x1e0 [ 5438.259559][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5438.259559][ T74] [ 5438.261551][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5438.261551][ T74] netdev_get_by_index+0x5e/0x80 [ 5438.261551][ T74] fib6_nh_init+0x3d8/0x1580 [ 5438.261551][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5438.261551][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5438.261551][ T74] ipv6_add_addr+0x411/0x2000 [ 5438.261551][ T74] inet6_addr_add+0x30e/0xa40 [ 5438.261551][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5438.261551][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5438.261551][ T74] netlink_rcv_skb+0x130/0x360 [ 5438.261551][ T74] netlink_unicast+0x449/0x710 [ 5438.261551][ T74] netlink_sendmsg+0x723/0xbe0 [ 5438.261551][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5438.261551][ T74] ___sys_sendmsg+0xee/0x170 [ 5438.261551][ T74] __sys_sendmsg+0xcd/0x170 [ 5438.261551][ T74] do_syscall_64+0xc6/0x1e0 [ 5438.261551][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5438.261551][ T74] [ 5438.263558][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5438.263558][ T74] netdev_get_by_index+0x5e/0x80 [ 5438.263558][ T74] fib6_nh_init+0x3d8/0x1580 [ 5438.263558][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5438.263558][ T74] ip6_route_add+0x1c/0x140 [ 5438.263558][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5438.263558][ T74] addrconf_add_dev+0xe2/0x170 [ 5438.263558][ T74] inet6_addr_add+0x12f/0xa40 [ 5438.263558][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5438.263558][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5438.263558][ T74] netlink_rcv_skb+0x130/0x360 [ 5438.263558][ T74] netlink_unicast+0x449/0x710 [ 5438.263558][ T74] netlink_sendmsg+0x723/0xbe0 [ 5438.263558][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5438.263558][ T74] ___sys_sendmsg+0xee/0x170 [ 5438.263558][ T74] __sys_sendmsg+0xcd/0x170 [ 5438.263558][ T74] do_syscall_64+0xc6/0x1e0 [ 5438.263558][ T74] [ 5438.265517][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5438.265517][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5438.265517][ T74] ipv6_find_idev+0x102/0x170 [ 5438.265517][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5438.265517][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5438.265517][ T74] netlink_rcv_skb+0x130/0x360 [ 5438.265517][ T74] netlink_unicast+0x449/0x710 [ 5438.265517][ T74] netlink_sendmsg+0x723/0xbe0 [ 5438.265517][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5438.265517][ T74] ___sys_sendmsg+0xee/0x170 [ 5438.265517][ T74] __sys_sendmsg+0xcd/0x170 [ 5438.265517][ T74] do_syscall_64+0xc6/0x1e0 [ 5438.265517][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5438.265517][ T74] [ 5438.267169][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5438.267169][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5438.267169][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5438.267169][ T74] ipv6_find_idev+0x102/0x170 [ 5438.267169][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5438.267169][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5438.267169][ T74] netlink_rcv_skb+0x130/0x360 [ 5438.267169][ T74] netlink_unicast+0x449/0x710 [ 5438.267169][ T74] netlink_sendmsg+0x723/0xbe0 [ 5438.267169][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5438.267169][ T74] ___sys_sendmsg+0xee/0x170 [ 5438.267169][ T74] __sys_sendmsg+0xcd/0x170 [ 5438.267169][ T74] do_syscall_64+0xc6/0x1e0 [ 5438.267169][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5438.267169][ T74] [ 5438.269136][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5438.269380][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5438.269380][ T74] netdev_get_by_index+0x5e/0x80 [ 5438.269380][ T74] fib6_nh_init+0x3d8/0x1580 [ 5438.269380][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5438.269380][ T74] ip6_route_add+0x1c/0x140 [ 5438.269380][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5438.269380][ T74] inet6_addr_add+0x4f8/0xa40 [ 5438.269380][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5438.269380][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5438.269380][ T74] netlink_rcv_skb+0x130/0x360 [ 5438.269380][ T74] netlink_unicast+0x449/0x710 [ 5438.269380][ T74] netlink_sendmsg+0x723/0xbe0 [ 5438.269380][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5438.269380][ T74] ___sys_sendmsg+0xee/0x170 [ 5438.269380][ T74] __sys_sendmsg+0xcd/0x170 [ 5438.269380][ T74] do_syscall_64+0xc6/0x1e0 [ 5438.269380][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5438.269380][ T74] [ 5438.271607][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5438.271607][ T74] netdev_get_by_index+0x5e/0x80 [ 5438.271607][ T74] fib6_nh_init+0x3d8/0x1580 [ 5438.271607][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5438.271607][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5438.271607][ T74] ipv6_add_addr+0x411/0x2000 [ 5438.271607][ T74] inet6_addr_add+0x30e/0xa40 [ 5438.271607][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5438.271607][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5438.271607][ T74] netlink_rcv_skb+0x130/0x360 [ 5438.271607][ T74] netlink_unicast+0x449/0x710 [ 5438.271607][ T74] netlink_sendmsg+0x723/0xbe0 [ 5438.271607][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5438.271607][ T74] ___sys_sendmsg+0xee/0x170 [ 5438.271607][ T74] __sys_sendmsg+0xcd/0x170 [ 5438.271607][ T74] do_syscall_64+0xc6/0x1e0 [ 5438.271607][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5438.271607][ T74] [ 5438.273826][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5438.273826][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5438.273826][ T74] ipv6_find_idev+0x102/0x170 [ 5438.273826][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5438.273826][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5438.273826][ T74] netlink_rcv_skb+0x130/0x360 [ 5438.273826][ T74] netlink_unicast+0x449/0x710 [ 5438.273826][ T74] netlink_sendmsg+0x723/0xbe0 [ 5438.273826][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5438.273826][ T74] ___sys_sendmsg+0xee/0x170 [ 5438.273826][ T74] __sys_sendmsg+0xcd/0x170 [ 5438.273826][ T74] do_syscall_64+0xc6/0x1e0 [ 5438.273826][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5438.273826][ T74] [ 5438.275472][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5438.275472][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5438.275472][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5438.275472][ T74] ipv6_find_idev+0x102/0x170 [ 5438.275472][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5438.275472][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5438.275472][ T74] netlink_rcv_skb+0x130/0x360 [ 5438.275472][ T74] netlink_unicast+0x449/0x710 [ 5438.275472][ T74] netlink_sendmsg+0x723/0xbe0 [ 5438.275472][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5438.275472][ T74] ___sys_sendmsg+0xee/0x170 [ 5438.275472][ T74] __sys_sendmsg+0xcd/0x170 [ 5438.275472][ T74] do_syscall_64+0xc6/0x1e0 [ 5438.275472][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5438.275472][ T74] [ 5448.519994][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5448.520437][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5448.520437][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5448.520437][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5448.520437][ T74] fib6_nh_init+0xa22/0x1580 [ 5448.520437][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5448.520437][ T74] ip6_route_add+0x1c/0x140 [ 5448.520437][ T74] inet6_rtm_newroute+0x104/0x110 [ 5448.520437][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5448.520437][ T74] netlink_rcv_skb+0x130/0x360 [ 5448.520437][ T74] netlink_unicast+0x449/0x710 [ 5448.520437][ T74] netlink_sendmsg+0x723/0xbe0 [ 5448.520437][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5448.520437][ T74] ___sys_sendmsg+0xee/0x170 [ 5448.520437][ T74] __sys_sendmsg+0xcd/0x170 [ 5448.520437][ T74] do_syscall_64+0xc6/0x1e0 [ 5448.520437][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5448.520437][ T74] [ 5448.522362][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5448.522362][ T74] netdev_get_by_index+0x5e/0x80 [ 5448.522362][ T74] fib6_nh_init+0x3d8/0x1580 [ 5448.522362][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5448.522362][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5448.522362][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5448.522362][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5448.522362][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5448.522362][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5448.522362][ T74] addrconf_dad_begin+0x310/0x670 [ 5448.522362][ T74] addrconf_dad_work+0x10b/0xab0 [ 5448.522362][ T74] process_one_work+0x84d/0x18a0 [ 5448.522362][ T74] worker_thread+0x587/0xd30 [ 5448.522362][ T74] kthread+0x28a/0x350 [ 5448.522362][ T74] ret_from_fork+0x31/0x70 [ 5448.522362][ T74] ret_from_fork_asm+0x1a/0x30 [ 5448.522362][ T74] [ 5448.524330][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5448.524330][ T74] netdev_get_by_index+0x5e/0x80 [ 5448.524330][ T74] fib6_nh_init+0x3d8/0x1580 [ 5448.524330][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5448.524330][ T74] ip6_route_add+0x1c/0x140 [ 5448.524330][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5448.524330][ T74] inet6_addr_add+0x4f8/0xa40 [ 5448.524330][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5448.524330][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5448.524330][ T74] netlink_rcv_skb+0x130/0x360 [ 5448.524330][ T74] netlink_unicast+0x449/0x710 [ 5448.524330][ T74] netlink_sendmsg+0x723/0xbe0 [ 5448.524330][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5448.524330][ T74] ___sys_sendmsg+0xee/0x170 [ 5448.524330][ T74] __sys_sendmsg+0xcd/0x170 [ 5448.524330][ T74] do_syscall_64+0xc6/0x1e0 [ 5448.524330][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5448.524330][ T74] [ 5448.526345][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5448.526345][ T74] netdev_get_by_index+0x5e/0x80 [ 5448.526345][ T74] fib6_nh_init+0x3d8/0x1580 [ 5448.526345][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5448.526345][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5448.526345][ T74] ipv6_add_addr+0x411/0x2000 [ 5448.526345][ T74] inet6_addr_add+0x30e/0xa40 [ 5448.526345][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5448.526345][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5448.526345][ T74] netlink_rcv_skb+0x130/0x360 [ 5448.526345][ T74] netlink_unicast+0x449/0x710 [ 5448.526345][ T74] netlink_sendmsg+0x723/0xbe0 [ 5448.526345][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5448.526345][ T74] ___sys_sendmsg+0xee/0x170 [ 5448.526345][ T74] __sys_sendmsg+0xcd/0x170 [ 5448.526345][ T74] do_syscall_64+0xc6/0x1e0 [ 5448.526345][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5448.526345][ T74] [ 5448.528367][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5448.528367][ T74] netdev_get_by_index+0x5e/0x80 [ 5448.528367][ T74] fib6_nh_init+0x3d8/0x1580 [ 5448.528367][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5448.528367][ T74] ip6_route_add+0x1c/0x140 [ 5448.528367][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5448.528367][ T74] addrconf_add_dev+0xe2/0x170 [ 5448.528367][ T74] inet6_addr_add+0x12f/0xa40 [ 5448.528367][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5448.528367][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5448.528367][ T74] netlink_rcv_skb+0x130/0x360 [ 5448.528367][ T74] netlink_unicast+0x449/0x710 [ 5448.528367][ T74] netlink_sendmsg+0x723/0xbe0 [ 5448.528367][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5448.528367][ T74] ___sys_sendmsg+0xee/0x170 [ 5448.528367][ T74] __sys_sendmsg+0xcd/0x170 [ 5448.528367][ T74] do_syscall_64+0xc6/0x1e0 [ 5448.528367][ T74] [ 5448.530347][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5448.530347][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5448.530347][ T74] ipv6_find_idev+0x102/0x170 [ 5448.530347][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5448.530347][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5448.530347][ T74] netlink_rcv_skb+0x130/0x360 [ 5448.530347][ T74] netlink_unicast+0x449/0x710 [ 5448.530347][ T74] netlink_sendmsg+0x723/0xbe0 [ 5448.530347][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5448.530347][ T74] ___sys_sendmsg+0xee/0x170 [ 5448.530347][ T74] __sys_sendmsg+0xcd/0x170 [ 5448.530347][ T74] do_syscall_64+0xc6/0x1e0 [ 5448.530347][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5448.530347][ T74] [ 5448.531902][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5448.531902][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5448.531902][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5448.531902][ T74] ipv6_find_idev+0x102/0x170 [ 5448.531902][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5448.531902][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5448.531902][ T74] netlink_rcv_skb+0x130/0x360 [ 5448.531902][ T74] netlink_unicast+0x449/0x710 [ 5448.531902][ T74] netlink_sendmsg+0x723/0xbe0 [ 5448.531902][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5448.531902][ T74] ___sys_sendmsg+0xee/0x170 [ 5448.531902][ T74] __sys_sendmsg+0xcd/0x170 [ 5448.531902][ T74] do_syscall_64+0xc6/0x1e0 [ 5448.531902][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5448.531902][ T74] [ 5448.533625][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5448.533916][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5448.533916][ T74] dst_init+0x84/0x4a0 [ 5448.533916][ T74] dst_alloc+0x97/0x150 [ 5448.533916][ T74] ip6_dst_alloc+0x23/0x90 [ 5448.533916][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5448.533916][ T74] ip6_pol_route+0x56f/0x840 [ 5448.533916][ T74] fib6_rule_lookup+0x456/0x630 [ 5448.533916][ T74] ip6_route_input+0x59c/0xa50 [ 5448.533916][ T74] ipv6_rcv+0x397/0x810 [ 5448.533916][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5448.533916][ T74] process_backlog+0x101/0x620 [ 5448.533916][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5448.533916][ T74] net_rx_action+0x495/0xbe0 [ 5448.533916][ T74] __do_softirq+0x1b5/0x7f6 [ 5448.533916][ T74] [ 5448.535568][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5448.535568][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5448.535568][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5448.535568][ T74] fib6_nh_init+0xa22/0x1580 [ 5448.535568][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5448.535568][ T74] ip6_route_add+0x1c/0x140 [ 5448.535568][ T74] inet6_rtm_newroute+0x104/0x110 [ 5448.535568][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5448.535568][ T74] netlink_rcv_skb+0x130/0x360 [ 5448.535568][ T74] netlink_unicast+0x449/0x710 [ 5448.535568][ T74] netlink_sendmsg+0x723/0xbe0 [ 5448.535568][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5448.535568][ T74] ___sys_sendmsg+0xee/0x170 [ 5448.535568][ T74] __sys_sendmsg+0xcd/0x170 [ 5448.535568][ T74] do_syscall_64+0xc6/0x1e0 [ 5448.535568][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5448.535568][ T74] [ 5448.537458][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5448.537458][ T74] netdev_get_by_index+0x5e/0x80 [ 5448.537458][ T74] fib6_nh_init+0x3d8/0x1580 [ 5448.537458][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5448.537458][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5448.537458][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5448.537458][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5448.537458][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5448.537458][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5448.537458][ T74] addrconf_dad_begin+0x310/0x670 [ 5448.537458][ T74] addrconf_dad_work+0x10b/0xab0 [ 5448.537458][ T74] process_one_work+0x84d/0x18a0 [ 5448.537458][ T74] worker_thread+0x587/0xd30 [ 5448.537458][ T74] kthread+0x28a/0x350 [ 5448.537458][ T74] ret_from_fork+0x31/0x70 [ 5448.537458][ T74] ret_from_fork_asm+0x1a/0x30 [ 5448.537458][ T74] [ 5448.539386][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5448.539386][ T74] netdev_get_by_index+0x5e/0x80 [ 5448.539386][ T74] fib6_nh_init+0x3d8/0x1580 [ 5448.539386][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5448.539386][ T74] ip6_route_add+0x1c/0x140 [ 5448.539386][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5448.539386][ T74] inet6_addr_add+0x4f8/0xa40 [ 5448.539386][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5448.539386][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5448.539386][ T74] netlink_rcv_skb+0x130/0x360 [ 5448.539386][ T74] netlink_unicast+0x449/0x710 [ 5448.539386][ T74] netlink_sendmsg+0x723/0xbe0 [ 5448.539386][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5448.539386][ T74] ___sys_sendmsg+0xee/0x170 [ 5448.539386][ T74] __sys_sendmsg+0xcd/0x170 [ 5448.539386][ T74] do_syscall_64+0xc6/0x1e0 [ 5448.539386][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5448.539386][ T74] [ 5448.541402][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5448.541402][ T74] netdev_get_by_index+0x5e/0x80 [ 5448.541402][ T74] fib6_nh_init+0x3d8/0x1580 [ 5448.541402][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5448.541402][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5448.541402][ T74] ipv6_add_addr+0x411/0x2000 [ 5448.541402][ T74] inet6_addr_add+0x30e/0xa40 [ 5448.541402][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5448.541402][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5448.541402][ T74] netlink_rcv_skb+0x130/0x360 [ 5448.541402][ T74] netlink_unicast+0x449/0x710 [ 5448.541402][ T74] netlink_sendmsg+0x723/0xbe0 [ 5448.541402][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5448.541402][ T74] ___sys_sendmsg+0xee/0x170 [ 5448.541402][ T74] __sys_sendmsg+0xcd/0x170 [ 5448.541402][ T74] do_syscall_64+0xc6/0x1e0 [ 5448.541402][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5448.541402][ T74] [ 5448.543419][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5448.543419][ T74] netdev_get_by_index+0x5e/0x80 [ 5448.543419][ T74] fib6_nh_init+0x3d8/0x1580 [ 5448.543419][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5448.543419][ T74] ip6_route_add+0x1c/0x140 [ 5448.543419][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5448.543419][ T74] addrconf_add_dev+0xe2/0x170 [ 5448.543419][ T74] inet6_addr_add+0x12f/0xa40 [ 5448.543419][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5448.543419][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5448.543419][ T74] netlink_rcv_skb+0x130/0x360 [ 5448.543419][ T74] netlink_unicast+0x449/0x710 [ 5448.543419][ T74] netlink_sendmsg+0x723/0xbe0 [ 5448.543419][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5448.543419][ T74] ___sys_sendmsg+0xee/0x170 [ 5448.543419][ T74] __sys_sendmsg+0xcd/0x170 [ 5448.543419][ T74] do_syscall_64+0xc6/0x1e0 [ 5448.543419][ T74] [ 5448.545403][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5448.545403][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5448.545403][ T74] ipv6_find_idev+0x102/0x170 [ 5448.545403][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5448.545403][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5448.545403][ T74] netlink_rcv_skb+0x130/0x360 [ 5448.545403][ T74] netlink_unicast+0x449/0x710 [ 5448.545403][ T74] netlink_sendmsg+0x723/0xbe0 [ 5448.545403][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5448.545403][ T74] ___sys_sendmsg+0xee/0x170 [ 5448.545403][ T74] __sys_sendmsg+0xcd/0x170 [ 5448.545403][ T74] do_syscall_64+0xc6/0x1e0 [ 5448.545403][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5448.545403][ T74] [ 5448.547135][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5448.547135][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5448.547135][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5448.547135][ T74] ipv6_find_idev+0x102/0x170 [ 5448.547135][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5448.547135][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5448.547135][ T74] netlink_rcv_skb+0x130/0x360 [ 5448.547135][ T74] netlink_unicast+0x449/0x710 [ 5448.547135][ T74] netlink_sendmsg+0x723/0xbe0 [ 5448.547135][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5448.547135][ T74] ___sys_sendmsg+0xee/0x170 [ 5448.547135][ T74] __sys_sendmsg+0xcd/0x170 [ 5448.547135][ T74] do_syscall_64+0xc6/0x1e0 [ 5448.547135][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5448.547135][ T74] [ 5448.549083][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5448.549388][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5448.549388][ T74] netdev_get_by_index+0x5e/0x80 [ 5448.549388][ T74] fib6_nh_init+0x3d8/0x1580 [ 5448.549388][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5448.549388][ T74] ip6_route_add+0x1c/0x140 [ 5448.549388][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5448.549388][ T74] inet6_addr_add+0x4f8/0xa40 [ 5448.549388][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5448.549388][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5448.549388][ T74] netlink_rcv_skb+0x130/0x360 [ 5448.549388][ T74] netlink_unicast+0x449/0x710 [ 5448.549388][ T74] netlink_sendmsg+0x723/0xbe0 [ 5448.549388][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5448.549388][ T74] ___sys_sendmsg+0xee/0x170 [ 5448.549388][ T74] __sys_sendmsg+0xcd/0x170 [ 5448.549388][ T74] do_syscall_64+0xc6/0x1e0 [ 5448.549388][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5448.549388][ T74] [ 5448.551517][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5448.551517][ T74] netdev_get_by_index+0x5e/0x80 [ 5448.551517][ T74] fib6_nh_init+0x3d8/0x1580 [ 5448.551517][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5448.551517][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5448.551517][ T74] ipv6_add_addr+0x411/0x2000 [ 5448.551517][ T74] inet6_addr_add+0x30e/0xa40 [ 5448.551517][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5448.551517][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5448.551517][ T74] netlink_rcv_skb+0x130/0x360 [ 5448.551517][ T74] netlink_unicast+0x449/0x710 [ 5448.551517][ T74] netlink_sendmsg+0x723/0xbe0 [ 5448.551517][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5448.551517][ T74] ___sys_sendmsg+0xee/0x170 [ 5448.551517][ T74] __sys_sendmsg+0xcd/0x170 [ 5448.551517][ T74] do_syscall_64+0xc6/0x1e0 [ 5448.551517][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5448.551517][ T74] [ 5448.553779][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5448.553779][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5448.553779][ T74] ipv6_find_idev+0x102/0x170 [ 5448.553779][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5448.553779][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5448.553779][ T74] netlink_rcv_skb+0x130/0x360 [ 5448.553779][ T74] netlink_unicast+0x449/0x710 [ 5448.553779][ T74] netlink_sendmsg+0x723/0xbe0 [ 5448.553779][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5448.553779][ T74] ___sys_sendmsg+0xee/0x170 [ 5448.553779][ T74] __sys_sendmsg+0xcd/0x170 [ 5448.553779][ T74] do_syscall_64+0xc6/0x1e0 [ 5448.553779][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5448.553779][ T74] [ 5448.555502][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5448.555502][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5448.555502][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5448.555502][ T74] ipv6_find_idev+0x102/0x170 [ 5448.555502][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5448.555502][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5448.555502][ T74] netlink_rcv_skb+0x130/0x360 [ 5448.555502][ T74] netlink_unicast+0x449/0x710 [ 5448.555502][ T74] netlink_sendmsg+0x723/0xbe0 [ 5448.555502][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5448.555502][ T74] ___sys_sendmsg+0xee/0x170 [ 5448.555502][ T74] __sys_sendmsg+0xcd/0x170 [ 5448.555502][ T74] do_syscall_64+0xc6/0x1e0 [ 5448.555502][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5448.555502][ T74] [ 5458.591955][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5458.592370][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5458.592370][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5458.592370][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5458.592370][ T74] fib6_nh_init+0xa22/0x1580 [ 5458.592370][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5458.592370][ T74] ip6_route_add+0x1c/0x140 [ 5458.592370][ T74] inet6_rtm_newroute+0x104/0x110 [ 5458.592370][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5458.592370][ T74] netlink_rcv_skb+0x130/0x360 [ 5458.592370][ T74] netlink_unicast+0x449/0x710 [ 5458.592370][ T74] netlink_sendmsg+0x723/0xbe0 [ 5458.592370][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5458.592370][ T74] ___sys_sendmsg+0xee/0x170 [ 5458.592370][ T74] __sys_sendmsg+0xcd/0x170 [ 5458.592370][ T74] do_syscall_64+0xc6/0x1e0 [ 5458.592370][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5458.592370][ T74] [ 5458.594278][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5458.594278][ T74] netdev_get_by_index+0x5e/0x80 [ 5458.594278][ T74] fib6_nh_init+0x3d8/0x1580 [ 5458.594278][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5458.594278][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5458.594278][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5458.594278][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5458.594278][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5458.594278][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5458.594278][ T74] addrconf_dad_begin+0x310/0x670 [ 5458.594278][ T74] addrconf_dad_work+0x10b/0xab0 [ 5458.594278][ T74] process_one_work+0x84d/0x18a0 [ 5458.594278][ T74] worker_thread+0x587/0xd30 [ 5458.594278][ T74] kthread+0x28a/0x350 [ 5458.594278][ T74] ret_from_fork+0x31/0x70 [ 5458.594278][ T74] ret_from_fork_asm+0x1a/0x30 [ 5458.594278][ T74] [ 5458.596192][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5458.596192][ T74] netdev_get_by_index+0x5e/0x80 [ 5458.596192][ T74] fib6_nh_init+0x3d8/0x1580 [ 5458.596192][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5458.596192][ T74] ip6_route_add+0x1c/0x140 [ 5458.596192][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5458.596192][ T74] inet6_addr_add+0x4f8/0xa40 [ 5458.596192][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5458.596192][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5458.596192][ T74] netlink_rcv_skb+0x130/0x360 [ 5458.596192][ T74] netlink_unicast+0x449/0x710 [ 5458.596192][ T74] netlink_sendmsg+0x723/0xbe0 [ 5458.596192][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5458.596192][ T74] ___sys_sendmsg+0xee/0x170 [ 5458.596192][ T74] __sys_sendmsg+0xcd/0x170 [ 5458.596192][ T74] do_syscall_64+0xc6/0x1e0 [ 5458.596192][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5458.596192][ T74] [ 5458.598183][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5458.598183][ T74] netdev_get_by_index+0x5e/0x80 [ 5458.598183][ T74] fib6_nh_init+0x3d8/0x1580 [ 5458.598183][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5458.598183][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5458.598183][ T74] ipv6_add_addr+0x411/0x2000 [ 5458.598183][ T74] inet6_addr_add+0x30e/0xa40 [ 5458.598183][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5458.598183][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5458.598183][ T74] netlink_rcv_skb+0x130/0x360 [ 5458.598183][ T74] netlink_unicast+0x449/0x710 [ 5458.598183][ T74] netlink_sendmsg+0x723/0xbe0 [ 5458.598183][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5458.598183][ T74] ___sys_sendmsg+0xee/0x170 [ 5458.598183][ T74] __sys_sendmsg+0xcd/0x170 [ 5458.598183][ T74] do_syscall_64+0xc6/0x1e0 [ 5458.598183][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5458.598183][ T74] [ 5458.600181][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5458.600181][ T74] netdev_get_by_index+0x5e/0x80 [ 5458.600181][ T74] fib6_nh_init+0x3d8/0x1580 [ 5458.600181][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5458.600181][ T74] ip6_route_add+0x1c/0x140 [ 5458.600181][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5458.600181][ T74] addrconf_add_dev+0xe2/0x170 [ 5458.600181][ T74] inet6_addr_add+0x12f/0xa40 [ 5458.600181][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5458.600181][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5458.600181][ T74] netlink_rcv_skb+0x130/0x360 [ 5458.600181][ T74] netlink_unicast+0x449/0x710 [ 5458.600181][ T74] netlink_sendmsg+0x723/0xbe0 [ 5458.600181][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5458.600181][ T74] ___sys_sendmsg+0xee/0x170 [ 5458.600181][ T74] __sys_sendmsg+0xcd/0x170 [ 5458.600181][ T74] do_syscall_64+0xc6/0x1e0 [ 5458.600181][ T74] [ 5458.602142][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5458.602142][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5458.602142][ T74] ipv6_find_idev+0x102/0x170 [ 5458.602142][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5458.602142][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5458.602142][ T74] netlink_rcv_skb+0x130/0x360 [ 5458.602142][ T74] netlink_unicast+0x449/0x710 [ 5458.602142][ T74] netlink_sendmsg+0x723/0xbe0 [ 5458.602142][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5458.602142][ T74] ___sys_sendmsg+0xee/0x170 [ 5458.602142][ T74] __sys_sendmsg+0xcd/0x170 [ 5458.602142][ T74] do_syscall_64+0xc6/0x1e0 [ 5458.602142][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5458.602142][ T74] [ 5458.603683][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5458.603683][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5458.603683][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5458.603683][ T74] ipv6_find_idev+0x102/0x170 [ 5458.603683][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5458.603683][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5458.603683][ T74] netlink_rcv_skb+0x130/0x360 [ 5458.603683][ T74] netlink_unicast+0x449/0x710 [ 5458.603683][ T74] netlink_sendmsg+0x723/0xbe0 [ 5458.603683][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5458.603683][ T74] ___sys_sendmsg+0xee/0x170 [ 5458.603683][ T74] __sys_sendmsg+0xcd/0x170 [ 5458.603683][ T74] do_syscall_64+0xc6/0x1e0 [ 5458.603683][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5458.603683][ T74] [ 5458.605367][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5458.605641][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5458.605641][ T74] dst_init+0x84/0x4a0 [ 5458.605641][ T74] dst_alloc+0x97/0x150 [ 5458.605641][ T74] ip6_dst_alloc+0x23/0x90 [ 5458.605641][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5458.605641][ T74] ip6_pol_route+0x56f/0x840 [ 5458.605641][ T74] fib6_rule_lookup+0x456/0x630 [ 5458.605641][ T74] ip6_route_input+0x59c/0xa50 [ 5458.605641][ T74] ipv6_rcv+0x397/0x810 [ 5458.605641][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5458.605641][ T74] process_backlog+0x101/0x620 [ 5458.605641][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5458.605641][ T74] net_rx_action+0x495/0xbe0 [ 5458.605641][ T74] __do_softirq+0x1b5/0x7f6 [ 5458.605641][ T74] [ 5458.607279][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5458.607279][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5458.607279][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5458.607279][ T74] fib6_nh_init+0xa22/0x1580 [ 5458.607279][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5458.607279][ T74] ip6_route_add+0x1c/0x140 [ 5458.607279][ T74] inet6_rtm_newroute+0x104/0x110 [ 5458.607279][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5458.607279][ T74] netlink_rcv_skb+0x130/0x360 [ 5458.607279][ T74] netlink_unicast+0x449/0x710 [ 5458.607279][ T74] netlink_sendmsg+0x723/0xbe0 [ 5458.607279][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5458.607279][ T74] ___sys_sendmsg+0xee/0x170 [ 5458.607279][ T74] __sys_sendmsg+0xcd/0x170 [ 5458.607279][ T74] do_syscall_64+0xc6/0x1e0 [ 5458.607279][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5458.607279][ T74] [ 5458.609153][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5458.609153][ T74] netdev_get_by_index+0x5e/0x80 [ 5458.609153][ T74] fib6_nh_init+0x3d8/0x1580 [ 5458.609153][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5458.609153][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5458.609153][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5458.609153][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5458.609153][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5458.609153][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5458.609153][ T74] addrconf_dad_begin+0x310/0x670 [ 5458.609153][ T74] addrconf_dad_work+0x10b/0xab0 [ 5458.609153][ T74] process_one_work+0x84d/0x18a0 [ 5458.609153][ T74] worker_thread+0x587/0xd30 [ 5458.609153][ T74] kthread+0x28a/0x350 [ 5458.609153][ T74] ret_from_fork+0x31/0x70 [ 5458.609153][ T74] ret_from_fork_asm+0x1a/0x30 [ 5458.609153][ T74] [ 5458.611057][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5458.611057][ T74] netdev_get_by_index+0x5e/0x80 [ 5458.611057][ T74] fib6_nh_init+0x3d8/0x1580 [ 5458.611057][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5458.611057][ T74] ip6_route_add+0x1c/0x140 [ 5458.611057][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5458.611057][ T74] inet6_addr_add+0x4f8/0xa40 [ 5458.611057][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5458.611057][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5458.611057][ T74] netlink_rcv_skb+0x130/0x360 [ 5458.611057][ T74] netlink_unicast+0x449/0x710 [ 5458.611057][ T74] netlink_sendmsg+0x723/0xbe0 [ 5458.611057][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5458.611057][ T74] ___sys_sendmsg+0xee/0x170 [ 5458.611057][ T74] __sys_sendmsg+0xcd/0x170 [ 5458.611057][ T74] do_syscall_64+0xc6/0x1e0 [ 5458.611057][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5458.611057][ T74] [ 5458.613062][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5458.613062][ T74] netdev_get_by_index+0x5e/0x80 [ 5458.613062][ T74] fib6_nh_init+0x3d8/0x1580 [ 5458.613062][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5458.613062][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5458.613062][ T74] ipv6_add_addr+0x411/0x2000 [ 5458.613062][ T74] inet6_addr_add+0x30e/0xa40 [ 5458.613062][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5458.613062][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5458.613062][ T74] netlink_rcv_skb+0x130/0x360 [ 5458.613062][ T74] netlink_unicast+0x449/0x710 [ 5458.613062][ T74] netlink_sendmsg+0x723/0xbe0 [ 5458.613062][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5458.613062][ T74] ___sys_sendmsg+0xee/0x170 [ 5458.613062][ T74] __sys_sendmsg+0xcd/0x170 [ 5458.613062][ T74] do_syscall_64+0xc6/0x1e0 [ 5458.613062][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5458.613062][ T74] [ 5458.615049][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5458.615049][ T74] netdev_get_by_index+0x5e/0x80 [ 5458.615049][ T74] fib6_nh_init+0x3d8/0x1580 [ 5458.615049][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5458.615049][ T74] ip6_route_add+0x1c/0x140 [ 5458.615049][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5458.615049][ T74] addrconf_add_dev+0xe2/0x170 [ 5458.615049][ T74] inet6_addr_add+0x12f/0xa40 [ 5458.615049][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5458.615049][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5458.615049][ T74] netlink_rcv_skb+0x130/0x360 [ 5458.615049][ T74] netlink_unicast+0x449/0x710 [ 5458.615049][ T74] netlink_sendmsg+0x723/0xbe0 [ 5458.615049][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5458.615049][ T74] ___sys_sendmsg+0xee/0x170 [ 5458.615049][ T74] __sys_sendmsg+0xcd/0x170 [ 5458.615049][ T74] do_syscall_64+0xc6/0x1e0 [ 5458.615049][ T74] [ 5458.617126][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5458.617126][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5458.617126][ T74] ipv6_find_idev+0x102/0x170 [ 5458.617126][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5458.617126][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5458.617126][ T74] netlink_rcv_skb+0x130/0x360 [ 5458.617126][ T74] netlink_unicast+0x449/0x710 [ 5458.617126][ T74] netlink_sendmsg+0x723/0xbe0 [ 5458.617126][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5458.617126][ T74] ___sys_sendmsg+0xee/0x170 [ 5458.617126][ T74] __sys_sendmsg+0xcd/0x170 [ 5458.617126][ T74] do_syscall_64+0xc6/0x1e0 [ 5458.617126][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5458.617126][ T74] [ 5458.618716][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5458.618716][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5458.618716][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5458.618716][ T74] ipv6_find_idev+0x102/0x170 [ 5458.618716][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5458.618716][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5458.618716][ T74] netlink_rcv_skb+0x130/0x360 [ 5458.618716][ T74] netlink_unicast+0x449/0x710 [ 5458.618716][ T74] netlink_sendmsg+0x723/0xbe0 [ 5458.618716][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5458.618716][ T74] ___sys_sendmsg+0xee/0x170 [ 5458.618716][ T74] __sys_sendmsg+0xcd/0x170 [ 5458.618716][ T74] do_syscall_64+0xc6/0x1e0 [ 5458.618716][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5458.618716][ T74] [ 5458.620626][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5458.620934][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5458.620934][ T74] netdev_get_by_index+0x5e/0x80 [ 5458.620934][ T74] fib6_nh_init+0x3d8/0x1580 [ 5458.620934][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5458.620934][ T74] ip6_route_add+0x1c/0x140 [ 5458.620934][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5458.620934][ T74] inet6_addr_add+0x4f8/0xa40 [ 5458.620934][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5458.620934][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5458.620934][ T74] netlink_rcv_skb+0x130/0x360 [ 5458.620934][ T74] netlink_unicast+0x449/0x710 [ 5458.620934][ T74] netlink_sendmsg+0x723/0xbe0 [ 5458.620934][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5458.620934][ T74] ___sys_sendmsg+0xee/0x170 [ 5458.620934][ T74] __sys_sendmsg+0xcd/0x170 [ 5458.620934][ T74] do_syscall_64+0xc6/0x1e0 [ 5458.620934][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5458.620934][ T74] [ 5458.623069][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5458.623069][ T74] netdev_get_by_index+0x5e/0x80 [ 5458.623069][ T74] fib6_nh_init+0x3d8/0x1580 [ 5458.623069][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5458.623069][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5458.623069][ T74] ipv6_add_addr+0x411/0x2000 [ 5458.623069][ T74] inet6_addr_add+0x30e/0xa40 [ 5458.623069][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5458.623069][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5458.623069][ T74] netlink_rcv_skb+0x130/0x360 [ 5458.623069][ T74] netlink_unicast+0x449/0x710 [ 5458.623069][ T74] netlink_sendmsg+0x723/0xbe0 [ 5458.623069][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5458.623069][ T74] ___sys_sendmsg+0xee/0x170 [ 5458.623069][ T74] __sys_sendmsg+0xcd/0x170 [ 5458.623069][ T74] do_syscall_64+0xc6/0x1e0 [ 5458.623069][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5458.623069][ T74] [ 5458.625295][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5458.625295][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5458.625295][ T74] ipv6_find_idev+0x102/0x170 [ 5458.625295][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5458.625295][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5458.625295][ T74] netlink_rcv_skb+0x130/0x360 [ 5458.625295][ T74] netlink_unicast+0x449/0x710 [ 5458.625295][ T74] netlink_sendmsg+0x723/0xbe0 [ 5458.625295][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5458.625295][ T74] ___sys_sendmsg+0xee/0x170 [ 5458.625295][ T74] __sys_sendmsg+0xcd/0x170 [ 5458.625295][ T74] do_syscall_64+0xc6/0x1e0 [ 5458.625295][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5458.625295][ T74] [ 5458.626958][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5458.626958][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5458.626958][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5458.626958][ T74] ipv6_find_idev+0x102/0x170 [ 5458.626958][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5458.626958][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5458.626958][ T74] netlink_rcv_skb+0x130/0x360 [ 5458.626958][ T74] netlink_unicast+0x449/0x710 [ 5458.626958][ T74] netlink_sendmsg+0x723/0xbe0 [ 5458.626958][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5458.626958][ T74] ___sys_sendmsg+0xee/0x170 [ 5458.626958][ T74] __sys_sendmsg+0xcd/0x170 [ 5458.626958][ T74] do_syscall_64+0xc6/0x1e0 [ 5458.626958][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5458.626958][ T74] [ 5468.879954][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5468.880320][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5468.880320][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5468.880320][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5468.880320][ T74] fib6_nh_init+0xa22/0x1580 [ 5468.880320][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5468.880320][ T74] ip6_route_add+0x1c/0x140 [ 5468.880320][ T74] inet6_rtm_newroute+0x104/0x110 [ 5468.880320][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5468.880320][ T74] netlink_rcv_skb+0x130/0x360 [ 5468.880320][ T74] netlink_unicast+0x449/0x710 [ 5468.880320][ T74] netlink_sendmsg+0x723/0xbe0 [ 5468.880320][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5468.880320][ T74] ___sys_sendmsg+0xee/0x170 [ 5468.880320][ T74] __sys_sendmsg+0xcd/0x170 [ 5468.880320][ T74] do_syscall_64+0xc6/0x1e0 [ 5468.880320][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5468.880320][ T74] [ 5468.882220][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5468.882220][ T74] netdev_get_by_index+0x5e/0x80 [ 5468.882220][ T74] fib6_nh_init+0x3d8/0x1580 [ 5468.882220][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5468.882220][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5468.882220][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5468.882220][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5468.882220][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5468.882220][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5468.882220][ T74] addrconf_dad_begin+0x310/0x670 [ 5468.882220][ T74] addrconf_dad_work+0x10b/0xab0 [ 5468.882220][ T74] process_one_work+0x84d/0x18a0 [ 5468.882220][ T74] worker_thread+0x587/0xd30 [ 5468.882220][ T74] kthread+0x28a/0x350 [ 5468.882220][ T74] ret_from_fork+0x31/0x70 [ 5468.882220][ T74] ret_from_fork_asm+0x1a/0x30 [ 5468.882220][ T74] [ 5468.884146][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5468.884146][ T74] netdev_get_by_index+0x5e/0x80 [ 5468.884146][ T74] fib6_nh_init+0x3d8/0x1580 [ 5468.884146][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5468.884146][ T74] ip6_route_add+0x1c/0x140 [ 5468.884146][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5468.884146][ T74] inet6_addr_add+0x4f8/0xa40 [ 5468.884146][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5468.884146][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5468.884146][ T74] netlink_rcv_skb+0x130/0x360 [ 5468.884146][ T74] netlink_unicast+0x449/0x710 [ 5468.884146][ T74] netlink_sendmsg+0x723/0xbe0 [ 5468.884146][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5468.884146][ T74] ___sys_sendmsg+0xee/0x170 [ 5468.884146][ T74] __sys_sendmsg+0xcd/0x170 [ 5468.884146][ T74] do_syscall_64+0xc6/0x1e0 [ 5468.884146][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5468.884146][ T74] [ 5468.886150][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5468.886150][ T74] netdev_get_by_index+0x5e/0x80 [ 5468.886150][ T74] fib6_nh_init+0x3d8/0x1580 [ 5468.886150][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5468.886150][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5468.886150][ T74] ipv6_add_addr+0x411/0x2000 [ 5468.886150][ T74] inet6_addr_add+0x30e/0xa40 [ 5468.886150][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5468.886150][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5468.886150][ T74] netlink_rcv_skb+0x130/0x360 [ 5468.886150][ T74] netlink_unicast+0x449/0x710 [ 5468.886150][ T74] netlink_sendmsg+0x723/0xbe0 [ 5468.886150][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5468.886150][ T74] ___sys_sendmsg+0xee/0x170 [ 5468.886150][ T74] __sys_sendmsg+0xcd/0x170 [ 5468.886150][ T74] do_syscall_64+0xc6/0x1e0 [ 5468.886150][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5468.886150][ T74] [ 5468.888175][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5468.888175][ T74] netdev_get_by_index+0x5e/0x80 [ 5468.888175][ T74] fib6_nh_init+0x3d8/0x1580 [ 5468.888175][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5468.888175][ T74] ip6_route_add+0x1c/0x140 [ 5468.888175][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5468.888175][ T74] addrconf_add_dev+0xe2/0x170 [ 5468.888175][ T74] inet6_addr_add+0x12f/0xa40 [ 5468.888175][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5468.888175][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5468.888175][ T74] netlink_rcv_skb+0x130/0x360 [ 5468.888175][ T74] netlink_unicast+0x449/0x710 [ 5468.888175][ T74] netlink_sendmsg+0x723/0xbe0 [ 5468.888175][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5468.888175][ T74] ___sys_sendmsg+0xee/0x170 [ 5468.888175][ T74] __sys_sendmsg+0xcd/0x170 [ 5468.888175][ T74] do_syscall_64+0xc6/0x1e0 [ 5468.888175][ T74] [ 5468.890141][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5468.890141][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5468.890141][ T74] ipv6_find_idev+0x102/0x170 [ 5468.890141][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5468.890141][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5468.890141][ T74] netlink_rcv_skb+0x130/0x360 [ 5468.890141][ T74] netlink_unicast+0x449/0x710 [ 5468.890141][ T74] netlink_sendmsg+0x723/0xbe0 [ 5468.890141][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5468.890141][ T74] ___sys_sendmsg+0xee/0x170 [ 5468.890141][ T74] __sys_sendmsg+0xcd/0x170 [ 5468.890141][ T74] do_syscall_64+0xc6/0x1e0 [ 5468.890141][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5468.890141][ T74] [ 5468.891678][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5468.891678][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5468.891678][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5468.891678][ T74] ipv6_find_idev+0x102/0x170 [ 5468.891678][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5468.891678][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5468.891678][ T74] netlink_rcv_skb+0x130/0x360 [ 5468.891678][ T74] netlink_unicast+0x449/0x710 [ 5468.891678][ T74] netlink_sendmsg+0x723/0xbe0 [ 5468.891678][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5468.891678][ T74] ___sys_sendmsg+0xee/0x170 [ 5468.891678][ T74] __sys_sendmsg+0xcd/0x170 [ 5468.891678][ T74] do_syscall_64+0xc6/0x1e0 [ 5468.891678][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5468.891678][ T74] [ 5468.893363][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5468.893630][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5468.893630][ T74] dst_init+0x84/0x4a0 [ 5468.893630][ T74] dst_alloc+0x97/0x150 [ 5468.893630][ T74] ip6_dst_alloc+0x23/0x90 [ 5468.893630][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5468.893630][ T74] ip6_pol_route+0x56f/0x840 [ 5468.893630][ T74] fib6_rule_lookup+0x456/0x630 [ 5468.893630][ T74] ip6_route_input+0x59c/0xa50 [ 5468.893630][ T74] ipv6_rcv+0x397/0x810 [ 5468.893630][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5468.893630][ T74] process_backlog+0x101/0x620 [ 5468.893630][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5468.893630][ T74] net_rx_action+0x495/0xbe0 [ 5468.893630][ T74] __do_softirq+0x1b5/0x7f6 [ 5468.893630][ T74] [ 5468.895257][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5468.895257][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5468.895257][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5468.895257][ T74] fib6_nh_init+0xa22/0x1580 [ 5468.895257][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5468.895257][ T74] ip6_route_add+0x1c/0x140 [ 5468.895257][ T74] inet6_rtm_newroute+0x104/0x110 [ 5468.895257][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5468.895257][ T74] netlink_rcv_skb+0x130/0x360 [ 5468.895257][ T74] netlink_unicast+0x449/0x710 [ 5468.895257][ T74] netlink_sendmsg+0x723/0xbe0 [ 5468.895257][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5468.895257][ T74] ___sys_sendmsg+0xee/0x170 [ 5468.895257][ T74] __sys_sendmsg+0xcd/0x170 [ 5468.895257][ T74] do_syscall_64+0xc6/0x1e0 [ 5468.895257][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5468.895257][ T74] [ 5468.897136][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5468.897136][ T74] netdev_get_by_index+0x5e/0x80 [ 5468.897136][ T74] fib6_nh_init+0x3d8/0x1580 [ 5468.897136][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5468.897136][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5468.897136][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5468.897136][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5468.897136][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5468.897136][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5468.897136][ T74] addrconf_dad_begin+0x310/0x670 [ 5468.897136][ T74] addrconf_dad_work+0x10b/0xab0 [ 5468.897136][ T74] process_one_work+0x84d/0x18a0 [ 5468.897136][ T74] worker_thread+0x587/0xd30 [ 5468.897136][ T74] kthread+0x28a/0x350 [ 5468.897136][ T74] ret_from_fork+0x31/0x70 [ 5468.897136][ T74] ret_from_fork_asm+0x1a/0x30 [ 5468.897136][ T74] [ 5468.899027][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5468.899027][ T74] netdev_get_by_index+0x5e/0x80 [ 5468.899027][ T74] fib6_nh_init+0x3d8/0x1580 [ 5468.899027][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5468.899027][ T74] ip6_route_add+0x1c/0x140 [ 5468.899027][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5468.899027][ T74] inet6_addr_add+0x4f8/0xa40 [ 5468.899027][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5468.899027][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5468.899027][ T74] netlink_rcv_skb+0x130/0x360 [ 5468.899027][ T74] netlink_unicast+0x449/0x710 [ 5468.899027][ T74] netlink_sendmsg+0x723/0xbe0 [ 5468.899027][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5468.899027][ T74] ___sys_sendmsg+0xee/0x170 [ 5468.899027][ T74] __sys_sendmsg+0xcd/0x170 [ 5468.899027][ T74] do_syscall_64+0xc6/0x1e0 [ 5468.899027][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5468.899027][ T74] [ 5468.901017][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5468.901017][ T74] netdev_get_by_index+0x5e/0x80 [ 5468.901017][ T74] fib6_nh_init+0x3d8/0x1580 [ 5468.901017][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5468.901017][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5468.901017][ T74] ipv6_add_addr+0x411/0x2000 [ 5468.901017][ T74] inet6_addr_add+0x30e/0xa40 [ 5468.901017][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5468.901017][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5468.901017][ T74] netlink_rcv_skb+0x130/0x360 [ 5468.901017][ T74] netlink_unicast+0x449/0x710 [ 5468.901017][ T74] netlink_sendmsg+0x723/0xbe0 [ 5468.901017][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5468.901017][ T74] ___sys_sendmsg+0xee/0x170 [ 5468.901017][ T74] __sys_sendmsg+0xcd/0x170 [ 5468.901017][ T74] do_syscall_64+0xc6/0x1e0 [ 5468.901017][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5468.901017][ T74] [ 5468.903011][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5468.903011][ T74] netdev_get_by_index+0x5e/0x80 [ 5468.903011][ T74] fib6_nh_init+0x3d8/0x1580 [ 5468.903011][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5468.903011][ T74] ip6_route_add+0x1c/0x140 [ 5468.903011][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5468.903011][ T74] addrconf_add_dev+0xe2/0x170 [ 5468.903011][ T74] inet6_addr_add+0x12f/0xa40 [ 5468.903011][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5468.903011][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5468.903011][ T74] netlink_rcv_skb+0x130/0x360 [ 5468.903011][ T74] netlink_unicast+0x449/0x710 [ 5468.903011][ T74] netlink_sendmsg+0x723/0xbe0 [ 5468.903011][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5468.903011][ T74] ___sys_sendmsg+0xee/0x170 [ 5468.903011][ T74] __sys_sendmsg+0xcd/0x170 [ 5468.903011][ T74] do_syscall_64+0xc6/0x1e0 [ 5468.903011][ T74] [ 5468.905007][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5468.905007][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5468.905007][ T74] ipv6_find_idev+0x102/0x170 [ 5468.905007][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5468.905007][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5468.905007][ T74] netlink_rcv_skb+0x130/0x360 [ 5468.905007][ T74] netlink_unicast+0x449/0x710 [ 5468.905007][ T74] netlink_sendmsg+0x723/0xbe0 [ 5468.905007][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5468.905007][ T74] ___sys_sendmsg+0xee/0x170 [ 5468.905007][ T74] __sys_sendmsg+0xcd/0x170 [ 5468.905007][ T74] do_syscall_64+0xc6/0x1e0 [ 5468.905007][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5468.905007][ T74] [ 5468.906665][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5468.906665][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5468.906665][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5468.906665][ T74] ipv6_find_idev+0x102/0x170 [ 5468.906665][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5468.906665][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5468.906665][ T74] netlink_rcv_skb+0x130/0x360 [ 5468.906665][ T74] netlink_unicast+0x449/0x710 [ 5468.906665][ T74] netlink_sendmsg+0x723/0xbe0 [ 5468.906665][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5468.906665][ T74] ___sys_sendmsg+0xee/0x170 [ 5468.906665][ T74] __sys_sendmsg+0xcd/0x170 [ 5468.906665][ T74] do_syscall_64+0xc6/0x1e0 [ 5468.906665][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5468.906665][ T74] [ 5468.908533][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5468.908844][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5468.908844][ T74] netdev_get_by_index+0x5e/0x80 [ 5468.908844][ T74] fib6_nh_init+0x3d8/0x1580 [ 5468.908844][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5468.908844][ T74] ip6_route_add+0x1c/0x140 [ 5468.908844][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5468.908844][ T74] inet6_addr_add+0x4f8/0xa40 [ 5468.908844][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5468.908844][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5468.908844][ T74] netlink_rcv_skb+0x130/0x360 [ 5468.908844][ T74] netlink_unicast+0x449/0x710 [ 5468.908844][ T74] netlink_sendmsg+0x723/0xbe0 [ 5468.908844][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5468.908844][ T74] ___sys_sendmsg+0xee/0x170 [ 5468.908844][ T74] __sys_sendmsg+0xcd/0x170 [ 5468.908844][ T74] do_syscall_64+0xc6/0x1e0 [ 5468.908844][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5468.908844][ T74] [ 5468.911021][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5468.911021][ T74] netdev_get_by_index+0x5e/0x80 [ 5468.911021][ T74] fib6_nh_init+0x3d8/0x1580 [ 5468.911021][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5468.911021][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5468.911021][ T74] ipv6_add_addr+0x411/0x2000 [ 5468.911021][ T74] inet6_addr_add+0x30e/0xa40 [ 5468.911021][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5468.911021][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5468.911021][ T74] netlink_rcv_skb+0x130/0x360 [ 5468.911021][ T74] netlink_unicast+0x449/0x710 [ 5468.911021][ T74] netlink_sendmsg+0x723/0xbe0 [ 5468.911021][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5468.911021][ T74] ___sys_sendmsg+0xee/0x170 [ 5468.911021][ T74] __sys_sendmsg+0xcd/0x170 [ 5468.911021][ T74] do_syscall_64+0xc6/0x1e0 [ 5468.911021][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5468.911021][ T74] [ 5468.913313][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5468.913313][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5468.913313][ T74] ipv6_find_idev+0x102/0x170 [ 5468.913313][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5468.913313][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5468.913313][ T74] netlink_rcv_skb+0x130/0x360 [ 5468.913313][ T74] netlink_unicast+0x449/0x710 [ 5468.913313][ T74] netlink_sendmsg+0x723/0xbe0 [ 5468.913313][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5468.913313][ T74] ___sys_sendmsg+0xee/0x170 [ 5468.913313][ T74] __sys_sendmsg+0xcd/0x170 [ 5468.913313][ T74] do_syscall_64+0xc6/0x1e0 [ 5468.913313][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5468.913313][ T74] [ 5468.914973][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5468.914973][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5468.914973][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5468.914973][ T74] ipv6_find_idev+0x102/0x170 [ 5468.914973][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5468.914973][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5468.914973][ T74] netlink_rcv_skb+0x130/0x360 [ 5468.914973][ T74] netlink_unicast+0x449/0x710 [ 5468.914973][ T74] netlink_sendmsg+0x723/0xbe0 [ 5468.914973][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5468.914973][ T74] ___sys_sendmsg+0xee/0x170 [ 5468.914973][ T74] __sys_sendmsg+0xcd/0x170 [ 5468.914973][ T74] do_syscall_64+0xc6/0x1e0 [ 5468.914973][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5468.914973][ T74] [ 5479.167949][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5479.168410][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5479.168410][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5479.168410][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5479.168410][ T74] fib6_nh_init+0xa22/0x1580 [ 5479.168410][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5479.168410][ T74] ip6_route_add+0x1c/0x140 [ 5479.168410][ T74] inet6_rtm_newroute+0x104/0x110 [ 5479.168410][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5479.168410][ T74] netlink_rcv_skb+0x130/0x360 [ 5479.168410][ T74] netlink_unicast+0x449/0x710 [ 5479.168410][ T74] netlink_sendmsg+0x723/0xbe0 [ 5479.168410][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5479.168410][ T74] ___sys_sendmsg+0xee/0x170 [ 5479.168410][ T74] __sys_sendmsg+0xcd/0x170 [ 5479.168410][ T74] do_syscall_64+0xc6/0x1e0 [ 5479.168410][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5479.168410][ T74] [ 5479.170339][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5479.170339][ T74] netdev_get_by_index+0x5e/0x80 [ 5479.170339][ T74] fib6_nh_init+0x3d8/0x1580 [ 5479.170339][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5479.170339][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5479.170339][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5479.170339][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5479.170339][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5479.170339][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5479.170339][ T74] addrconf_dad_begin+0x310/0x670 [ 5479.170339][ T74] addrconf_dad_work+0x10b/0xab0 [ 5479.170339][ T74] process_one_work+0x84d/0x18a0 [ 5479.170339][ T74] worker_thread+0x587/0xd30 [ 5479.170339][ T74] kthread+0x28a/0x350 [ 5479.170339][ T74] ret_from_fork+0x31/0x70 [ 5479.170339][ T74] ret_from_fork_asm+0x1a/0x30 [ 5479.170339][ T74] [ 5479.172293][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5479.172293][ T74] netdev_get_by_index+0x5e/0x80 [ 5479.172293][ T74] fib6_nh_init+0x3d8/0x1580 [ 5479.172293][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5479.172293][ T74] ip6_route_add+0x1c/0x140 [ 5479.172293][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5479.172293][ T74] inet6_addr_add+0x4f8/0xa40 [ 5479.172293][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5479.172293][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5479.172293][ T74] netlink_rcv_skb+0x130/0x360 [ 5479.172293][ T74] netlink_unicast+0x449/0x710 [ 5479.172293][ T74] netlink_sendmsg+0x723/0xbe0 [ 5479.172293][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5479.172293][ T74] ___sys_sendmsg+0xee/0x170 [ 5479.172293][ T74] __sys_sendmsg+0xcd/0x170 [ 5479.172293][ T74] do_syscall_64+0xc6/0x1e0 [ 5479.172293][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5479.172293][ T74] [ 5479.174327][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5479.174327][ T74] netdev_get_by_index+0x5e/0x80 [ 5479.174327][ T74] fib6_nh_init+0x3d8/0x1580 [ 5479.174327][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5479.174327][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5479.174327][ T74] ipv6_add_addr+0x411/0x2000 [ 5479.174327][ T74] inet6_addr_add+0x30e/0xa40 [ 5479.174327][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5479.174327][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5479.174327][ T74] netlink_rcv_skb+0x130/0x360 [ 5479.174327][ T74] netlink_unicast+0x449/0x710 [ 5479.174327][ T74] netlink_sendmsg+0x723/0xbe0 [ 5479.174327][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5479.174327][ T74] ___sys_sendmsg+0xee/0x170 [ 5479.174327][ T74] __sys_sendmsg+0xcd/0x170 [ 5479.174327][ T74] do_syscall_64+0xc6/0x1e0 [ 5479.174327][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5479.174327][ T74] [ 5479.176354][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5479.176354][ T74] netdev_get_by_index+0x5e/0x80 [ 5479.176354][ T74] fib6_nh_init+0x3d8/0x1580 [ 5479.176354][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5479.176354][ T74] ip6_route_add+0x1c/0x140 [ 5479.176354][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5479.176354][ T74] addrconf_add_dev+0xe2/0x170 [ 5479.176354][ T74] inet6_addr_add+0x12f/0xa40 [ 5479.176354][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5479.176354][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5479.176354][ T74] netlink_rcv_skb+0x130/0x360 [ 5479.176354][ T74] netlink_unicast+0x449/0x710 [ 5479.176354][ T74] netlink_sendmsg+0x723/0xbe0 [ 5479.176354][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5479.176354][ T74] ___sys_sendmsg+0xee/0x170 [ 5479.176354][ T74] __sys_sendmsg+0xcd/0x170 [ 5479.176354][ T74] do_syscall_64+0xc6/0x1e0 [ 5479.176354][ T74] [ 5479.178342][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5479.178342][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5479.178342][ T74] ipv6_find_idev+0x102/0x170 [ 5479.178342][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5479.178342][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5479.178342][ T74] netlink_rcv_skb+0x130/0x360 [ 5479.178342][ T74] netlink_unicast+0x449/0x710 [ 5479.178342][ T74] netlink_sendmsg+0x723/0xbe0 [ 5479.178342][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5479.178342][ T74] ___sys_sendmsg+0xee/0x170 [ 5479.178342][ T74] __sys_sendmsg+0xcd/0x170 [ 5479.178342][ T74] do_syscall_64+0xc6/0x1e0 [ 5479.178342][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5479.178342][ T74] [ 5479.179891][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5479.179891][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5479.179891][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5479.179891][ T74] ipv6_find_idev+0x102/0x170 [ 5479.179891][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5479.179891][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5479.179891][ T74] netlink_rcv_skb+0x130/0x360 [ 5479.179891][ T74] netlink_unicast+0x449/0x710 [ 5479.179891][ T74] netlink_sendmsg+0x723/0xbe0 [ 5479.179891][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5479.179891][ T74] ___sys_sendmsg+0xee/0x170 [ 5479.179891][ T74] __sys_sendmsg+0xcd/0x170 [ 5479.179891][ T74] do_syscall_64+0xc6/0x1e0 [ 5479.179891][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5479.179891][ T74] [ 5479.181606][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5479.181881][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5479.181881][ T74] dst_init+0x84/0x4a0 [ 5479.181881][ T74] dst_alloc+0x97/0x150 [ 5479.181881][ T74] ip6_dst_alloc+0x23/0x90 [ 5479.181881][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5479.181881][ T74] ip6_pol_route+0x56f/0x840 [ 5479.181881][ T74] fib6_rule_lookup+0x456/0x630 [ 5479.181881][ T74] ip6_route_input+0x59c/0xa50 [ 5479.181881][ T74] ipv6_rcv+0x397/0x810 [ 5479.181881][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5479.181881][ T74] process_backlog+0x101/0x620 [ 5479.181881][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5479.181881][ T74] net_rx_action+0x495/0xbe0 [ 5479.181881][ T74] __do_softirq+0x1b5/0x7f6 [ 5479.181881][ T74] [ 5479.183546][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5479.183546][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5479.183546][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5479.183546][ T74] fib6_nh_init+0xa22/0x1580 [ 5479.183546][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5479.183546][ T74] ip6_route_add+0x1c/0x140 [ 5479.183546][ T74] inet6_rtm_newroute+0x104/0x110 [ 5479.183546][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5479.183546][ T74] netlink_rcv_skb+0x130/0x360 [ 5479.183546][ T74] netlink_unicast+0x449/0x710 [ 5479.183546][ T74] netlink_sendmsg+0x723/0xbe0 [ 5479.183546][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5479.183546][ T74] ___sys_sendmsg+0xee/0x170 [ 5479.183546][ T74] __sys_sendmsg+0xcd/0x170 [ 5479.183546][ T74] do_syscall_64+0xc6/0x1e0 [ 5479.183546][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5479.183546][ T74] [ 5479.185447][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5479.185447][ T74] netdev_get_by_index+0x5e/0x80 [ 5479.185447][ T74] fib6_nh_init+0x3d8/0x1580 [ 5479.185447][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5479.185447][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5479.185447][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5479.185447][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5479.185447][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5479.185447][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5479.185447][ T74] addrconf_dad_begin+0x310/0x670 [ 5479.185447][ T74] addrconf_dad_work+0x10b/0xab0 [ 5479.185447][ T74] process_one_work+0x84d/0x18a0 [ 5479.185447][ T74] worker_thread+0x587/0xd30 [ 5479.185447][ T74] kthread+0x28a/0x350 [ 5479.185447][ T74] ret_from_fork+0x31/0x70 [ 5479.185447][ T74] ret_from_fork_asm+0x1a/0x30 [ 5479.185447][ T74] [ 5479.187375][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5479.187375][ T74] netdev_get_by_index+0x5e/0x80 [ 5479.187375][ T74] fib6_nh_init+0x3d8/0x1580 [ 5479.187375][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5479.187375][ T74] ip6_route_add+0x1c/0x140 [ 5479.187375][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5479.187375][ T74] inet6_addr_add+0x4f8/0xa40 [ 5479.187375][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5479.187375][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5479.187375][ T74] netlink_rcv_skb+0x130/0x360 [ 5479.187375][ T74] netlink_unicast+0x449/0x710 [ 5479.187375][ T74] netlink_sendmsg+0x723/0xbe0 [ 5479.187375][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5479.187375][ T74] ___sys_sendmsg+0xee/0x170 [ 5479.187375][ T74] __sys_sendmsg+0xcd/0x170 [ 5479.187375][ T74] do_syscall_64+0xc6/0x1e0 [ 5479.187375][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5479.187375][ T74] [ 5479.189387][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5479.189387][ T74] netdev_get_by_index+0x5e/0x80 [ 5479.189387][ T74] fib6_nh_init+0x3d8/0x1580 [ 5479.189387][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5479.189387][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5479.189387][ T74] ipv6_add_addr+0x411/0x2000 [ 5479.189387][ T74] inet6_addr_add+0x30e/0xa40 [ 5479.189387][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5479.189387][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5479.189387][ T74] netlink_rcv_skb+0x130/0x360 [ 5479.189387][ T74] netlink_unicast+0x449/0x710 [ 5479.189387][ T74] netlink_sendmsg+0x723/0xbe0 [ 5479.189387][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5479.189387][ T74] ___sys_sendmsg+0xee/0x170 [ 5479.189387][ T74] __sys_sendmsg+0xcd/0x170 [ 5479.189387][ T74] do_syscall_64+0xc6/0x1e0 [ 5479.189387][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5479.189387][ T74] [ 5479.191405][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5479.191405][ T74] netdev_get_by_index+0x5e/0x80 [ 5479.191405][ T74] fib6_nh_init+0x3d8/0x1580 [ 5479.191405][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5479.191405][ T74] ip6_route_add+0x1c/0x140 [ 5479.191405][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5479.191405][ T74] addrconf_add_dev+0xe2/0x170 [ 5479.191405][ T74] inet6_addr_add+0x12f/0xa40 [ 5479.191405][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5479.191405][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5479.191405][ T74] netlink_rcv_skb+0x130/0x360 [ 5479.191405][ T74] netlink_unicast+0x449/0x710 [ 5479.191405][ T74] netlink_sendmsg+0x723/0xbe0 [ 5479.191405][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5479.191405][ T74] ___sys_sendmsg+0xee/0x170 [ 5479.191405][ T74] __sys_sendmsg+0xcd/0x170 [ 5479.191405][ T74] do_syscall_64+0xc6/0x1e0 [ 5479.191405][ T74] [ 5479.193384][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5479.193384][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5479.193384][ T74] ipv6_find_idev+0x102/0x170 [ 5479.193384][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5479.193384][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5479.193384][ T74] netlink_rcv_skb+0x130/0x360 [ 5479.193384][ T74] netlink_unicast+0x449/0x710 [ 5479.193384][ T74] netlink_sendmsg+0x723/0xbe0 [ 5479.193384][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5479.193384][ T74] ___sys_sendmsg+0xee/0x170 [ 5479.193384][ T74] __sys_sendmsg+0xcd/0x170 [ 5479.193384][ T74] do_syscall_64+0xc6/0x1e0 [ 5479.193384][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5479.193384][ T74] [ 5479.195116][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5479.195116][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5479.195116][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5479.195116][ T74] ipv6_find_idev+0x102/0x170 [ 5479.195116][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5479.195116][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5479.195116][ T74] netlink_rcv_skb+0x130/0x360 [ 5479.195116][ T74] netlink_unicast+0x449/0x710 [ 5479.195116][ T74] netlink_sendmsg+0x723/0xbe0 [ 5479.195116][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5479.195116][ T74] ___sys_sendmsg+0xee/0x170 [ 5479.195116][ T74] __sys_sendmsg+0xcd/0x170 [ 5479.195116][ T74] do_syscall_64+0xc6/0x1e0 [ 5479.195116][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5479.195116][ T74] [ 5479.197000][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5479.197313][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5479.197313][ T74] netdev_get_by_index+0x5e/0x80 [ 5479.197313][ T74] fib6_nh_init+0x3d8/0x1580 [ 5479.197313][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5479.197313][ T74] ip6_route_add+0x1c/0x140 [ 5479.197313][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5479.197313][ T74] inet6_addr_add+0x4f8/0xa40 [ 5479.197313][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5479.197313][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5479.197313][ T74] netlink_rcv_skb+0x130/0x360 [ 5479.197313][ T74] netlink_unicast+0x449/0x710 [ 5479.197313][ T74] netlink_sendmsg+0x723/0xbe0 [ 5479.197313][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5479.197313][ T74] ___sys_sendmsg+0xee/0x170 [ 5479.197313][ T74] __sys_sendmsg+0xcd/0x170 [ 5479.197313][ T74] do_syscall_64+0xc6/0x1e0 [ 5479.197313][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5479.197313][ T74] [ 5479.199505][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5479.199505][ T74] netdev_get_by_index+0x5e/0x80 [ 5479.199505][ T74] fib6_nh_init+0x3d8/0x1580 [ 5479.199505][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5479.199505][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5479.199505][ T74] ipv6_add_addr+0x411/0x2000 [ 5479.199505][ T74] inet6_addr_add+0x30e/0xa40 [ 5479.199505][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5479.199505][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5479.199505][ T74] netlink_rcv_skb+0x130/0x360 [ 5479.199505][ T74] netlink_unicast+0x449/0x710 [ 5479.199505][ T74] netlink_sendmsg+0x723/0xbe0 [ 5479.199505][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5479.199505][ T74] ___sys_sendmsg+0xee/0x170 [ 5479.199505][ T74] __sys_sendmsg+0xcd/0x170 [ 5479.199505][ T74] do_syscall_64+0xc6/0x1e0 [ 5479.199505][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5479.199505][ T74] [ 5479.201764][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5479.201764][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5479.201764][ T74] ipv6_find_idev+0x102/0x170 [ 5479.201764][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5479.201764][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5479.201764][ T74] netlink_rcv_skb+0x130/0x360 [ 5479.201764][ T74] netlink_unicast+0x449/0x710 [ 5479.201764][ T74] netlink_sendmsg+0x723/0xbe0 [ 5479.201764][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5479.201764][ T74] ___sys_sendmsg+0xee/0x170 [ 5479.201764][ T74] __sys_sendmsg+0xcd/0x170 [ 5479.201764][ T74] do_syscall_64+0xc6/0x1e0 [ 5479.201764][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5479.201764][ T74] [ 5479.203556][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5479.203556][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5479.203556][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5479.203556][ T74] ipv6_find_idev+0x102/0x170 [ 5479.203556][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5479.203556][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5479.203556][ T74] netlink_rcv_skb+0x130/0x360 [ 5479.203556][ T74] netlink_unicast+0x449/0x710 [ 5479.203556][ T74] netlink_sendmsg+0x723/0xbe0 [ 5479.203556][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5479.203556][ T74] ___sys_sendmsg+0xee/0x170 [ 5479.203556][ T74] __sys_sendmsg+0xcd/0x170 [ 5479.203556][ T74] do_syscall_64+0xc6/0x1e0 [ 5479.203556][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5479.203556][ T74] [ 5489.455970][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5489.456405][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5489.456405][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5489.456405][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5489.456405][ T74] fib6_nh_init+0xa22/0x1580 [ 5489.456405][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5489.456405][ T74] ip6_route_add+0x1c/0x140 [ 5489.456405][ T74] inet6_rtm_newroute+0x104/0x110 [ 5489.456405][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5489.456405][ T74] netlink_rcv_skb+0x130/0x360 [ 5489.456405][ T74] netlink_unicast+0x449/0x710 [ 5489.456405][ T74] netlink_sendmsg+0x723/0xbe0 [ 5489.456405][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5489.456405][ T74] ___sys_sendmsg+0xee/0x170 [ 5489.456405][ T74] __sys_sendmsg+0xcd/0x170 [ 5489.456405][ T74] do_syscall_64+0xc6/0x1e0 [ 5489.456405][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5489.456405][ T74] [ 5489.458314][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5489.458314][ T74] netdev_get_by_index+0x5e/0x80 [ 5489.458314][ T74] fib6_nh_init+0x3d8/0x1580 [ 5489.458314][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5489.458314][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5489.458314][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5489.458314][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5489.458314][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5489.458314][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5489.458314][ T74] addrconf_dad_begin+0x310/0x670 [ 5489.458314][ T74] addrconf_dad_work+0x10b/0xab0 [ 5489.458314][ T74] process_one_work+0x84d/0x18a0 [ 5489.458314][ T74] worker_thread+0x587/0xd30 [ 5489.458314][ T74] kthread+0x28a/0x350 [ 5489.458314][ T74] ret_from_fork+0x31/0x70 [ 5489.458314][ T74] ret_from_fork_asm+0x1a/0x30 [ 5489.458314][ T74] [ 5489.460238][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5489.460238][ T74] netdev_get_by_index+0x5e/0x80 [ 5489.460238][ T74] fib6_nh_init+0x3d8/0x1580 [ 5489.460238][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5489.460238][ T74] ip6_route_add+0x1c/0x140 [ 5489.460238][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5489.460238][ T74] inet6_addr_add+0x4f8/0xa40 [ 5489.460238][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5489.460238][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5489.460238][ T74] netlink_rcv_skb+0x130/0x360 [ 5489.460238][ T74] netlink_unicast+0x449/0x710 [ 5489.460238][ T74] netlink_sendmsg+0x723/0xbe0 [ 5489.460238][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5489.460238][ T74] ___sys_sendmsg+0xee/0x170 [ 5489.460238][ T74] __sys_sendmsg+0xcd/0x170 [ 5489.460238][ T74] do_syscall_64+0xc6/0x1e0 [ 5489.460238][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5489.460238][ T74] [ 5489.462232][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5489.462232][ T74] netdev_get_by_index+0x5e/0x80 [ 5489.462232][ T74] fib6_nh_init+0x3d8/0x1580 [ 5489.462232][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5489.462232][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5489.462232][ T74] ipv6_add_addr+0x411/0x2000 [ 5489.462232][ T74] inet6_addr_add+0x30e/0xa40 [ 5489.462232][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5489.462232][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5489.462232][ T74] netlink_rcv_skb+0x130/0x360 [ 5489.462232][ T74] netlink_unicast+0x449/0x710 [ 5489.462232][ T74] netlink_sendmsg+0x723/0xbe0 [ 5489.462232][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5489.462232][ T74] ___sys_sendmsg+0xee/0x170 [ 5489.462232][ T74] __sys_sendmsg+0xcd/0x170 [ 5489.462232][ T74] do_syscall_64+0xc6/0x1e0 [ 5489.462232][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5489.462232][ T74] [ 5489.464253][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5489.464253][ T74] netdev_get_by_index+0x5e/0x80 [ 5489.464253][ T74] fib6_nh_init+0x3d8/0x1580 [ 5489.464253][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5489.464253][ T74] ip6_route_add+0x1c/0x140 [ 5489.464253][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5489.464253][ T74] addrconf_add_dev+0xe2/0x170 [ 5489.464253][ T74] inet6_addr_add+0x12f/0xa40 [ 5489.464253][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5489.464253][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5489.464253][ T74] netlink_rcv_skb+0x130/0x360 [ 5489.464253][ T74] netlink_unicast+0x449/0x710 [ 5489.464253][ T74] netlink_sendmsg+0x723/0xbe0 [ 5489.464253][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5489.464253][ T74] ___sys_sendmsg+0xee/0x170 [ 5489.464253][ T74] __sys_sendmsg+0xcd/0x170 [ 5489.464253][ T74] do_syscall_64+0xc6/0x1e0 [ 5489.464253][ T74] [ 5489.466213][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5489.466213][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5489.466213][ T74] ipv6_find_idev+0x102/0x170 [ 5489.466213][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5489.466213][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5489.466213][ T74] netlink_rcv_skb+0x130/0x360 [ 5489.466213][ T74] netlink_unicast+0x449/0x710 [ 5489.466213][ T74] netlink_sendmsg+0x723/0xbe0 [ 5489.466213][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5489.466213][ T74] ___sys_sendmsg+0xee/0x170 [ 5489.466213][ T74] __sys_sendmsg+0xcd/0x170 [ 5489.466213][ T74] do_syscall_64+0xc6/0x1e0 [ 5489.466213][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5489.466213][ T74] [ 5489.467758][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5489.467758][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5489.467758][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5489.467758][ T74] ipv6_find_idev+0x102/0x170 [ 5489.467758][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5489.467758][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5489.467758][ T74] netlink_rcv_skb+0x130/0x360 [ 5489.467758][ T74] netlink_unicast+0x449/0x710 [ 5489.467758][ T74] netlink_sendmsg+0x723/0xbe0 [ 5489.467758][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5489.467758][ T74] ___sys_sendmsg+0xee/0x170 [ 5489.467758][ T74] __sys_sendmsg+0xcd/0x170 [ 5489.467758][ T74] do_syscall_64+0xc6/0x1e0 [ 5489.467758][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5489.467758][ T74] [ 5489.469440][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5489.469710][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5489.469710][ T74] dst_init+0x84/0x4a0 [ 5489.469710][ T74] dst_alloc+0x97/0x150 [ 5489.469710][ T74] ip6_dst_alloc+0x23/0x90 [ 5489.469710][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5489.469710][ T74] ip6_pol_route+0x56f/0x840 [ 5489.469710][ T74] fib6_rule_lookup+0x456/0x630 [ 5489.469710][ T74] ip6_route_input+0x59c/0xa50 [ 5489.469710][ T74] ipv6_rcv+0x397/0x810 [ 5489.469710][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5489.469710][ T74] process_backlog+0x101/0x620 [ 5489.469710][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5489.469710][ T74] net_rx_action+0x495/0xbe0 [ 5489.469710][ T74] __do_softirq+0x1b5/0x7f6 [ 5489.469710][ T74] [ 5489.471343][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5489.471343][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5489.471343][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5489.471343][ T74] fib6_nh_init+0xa22/0x1580 [ 5489.471343][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5489.471343][ T74] ip6_route_add+0x1c/0x140 [ 5489.471343][ T74] inet6_rtm_newroute+0x104/0x110 [ 5489.471343][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5489.471343][ T74] netlink_rcv_skb+0x130/0x360 [ 5489.471343][ T74] netlink_unicast+0x449/0x710 [ 5489.471343][ T74] netlink_sendmsg+0x723/0xbe0 [ 5489.471343][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5489.471343][ T74] ___sys_sendmsg+0xee/0x170 [ 5489.471343][ T74] __sys_sendmsg+0xcd/0x170 [ 5489.471343][ T74] do_syscall_64+0xc6/0x1e0 [ 5489.471343][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5489.471343][ T74] [ 5489.473217][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5489.473217][ T74] netdev_get_by_index+0x5e/0x80 [ 5489.473217][ T74] fib6_nh_init+0x3d8/0x1580 [ 5489.473217][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5489.473217][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5489.473217][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5489.473217][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5489.473217][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5489.473217][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5489.473217][ T74] addrconf_dad_begin+0x310/0x670 [ 5489.473217][ T74] addrconf_dad_work+0x10b/0xab0 [ 5489.473217][ T74] process_one_work+0x84d/0x18a0 [ 5489.473217][ T74] worker_thread+0x587/0xd30 [ 5489.473217][ T74] kthread+0x28a/0x350 [ 5489.473217][ T74] ret_from_fork+0x31/0x70 [ 5489.473217][ T74] ret_from_fork_asm+0x1a/0x30 [ 5489.473217][ T74] [ 5489.475119][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5489.475119][ T74] netdev_get_by_index+0x5e/0x80 [ 5489.475119][ T74] fib6_nh_init+0x3d8/0x1580 [ 5489.475119][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5489.475119][ T74] ip6_route_add+0x1c/0x140 [ 5489.475119][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5489.475119][ T74] inet6_addr_add+0x4f8/0xa40 [ 5489.475119][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5489.475119][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5489.475119][ T74] netlink_rcv_skb+0x130/0x360 [ 5489.475119][ T74] netlink_unicast+0x449/0x710 [ 5489.475119][ T74] netlink_sendmsg+0x723/0xbe0 [ 5489.475119][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5489.475119][ T74] ___sys_sendmsg+0xee/0x170 [ 5489.475119][ T74] __sys_sendmsg+0xcd/0x170 [ 5489.475119][ T74] do_syscall_64+0xc6/0x1e0 [ 5489.475119][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5489.475119][ T74] [ 5489.477113][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5489.477113][ T74] netdev_get_by_index+0x5e/0x80 [ 5489.477113][ T74] fib6_nh_init+0x3d8/0x1580 [ 5489.477113][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5489.477113][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5489.477113][ T74] ipv6_add_addr+0x411/0x2000 [ 5489.477113][ T74] inet6_addr_add+0x30e/0xa40 [ 5489.477113][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5489.477113][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5489.477113][ T74] netlink_rcv_skb+0x130/0x360 [ 5489.477113][ T74] netlink_unicast+0x449/0x710 [ 5489.477113][ T74] netlink_sendmsg+0x723/0xbe0 [ 5489.477113][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5489.477113][ T74] ___sys_sendmsg+0xee/0x170 [ 5489.477113][ T74] __sys_sendmsg+0xcd/0x170 [ 5489.477113][ T74] do_syscall_64+0xc6/0x1e0 [ 5489.477113][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5489.477113][ T74] [ 5489.479112][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5489.479112][ T74] netdev_get_by_index+0x5e/0x80 [ 5489.479112][ T74] fib6_nh_init+0x3d8/0x1580 [ 5489.479112][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5489.479112][ T74] ip6_route_add+0x1c/0x140 [ 5489.479112][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5489.479112][ T74] addrconf_add_dev+0xe2/0x170 [ 5489.479112][ T74] inet6_addr_add+0x12f/0xa40 [ 5489.479112][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5489.479112][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5489.479112][ T74] netlink_rcv_skb+0x130/0x360 [ 5489.479112][ T74] netlink_unicast+0x449/0x710 [ 5489.479112][ T74] netlink_sendmsg+0x723/0xbe0 [ 5489.479112][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5489.479112][ T74] ___sys_sendmsg+0xee/0x170 [ 5489.479112][ T74] __sys_sendmsg+0xcd/0x170 [ 5489.479112][ T74] do_syscall_64+0xc6/0x1e0 [ 5489.479112][ T74] [ 5489.481062][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5489.481062][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5489.481062][ T74] ipv6_find_idev+0x102/0x170 [ 5489.481062][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5489.481062][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5489.481062][ T74] netlink_rcv_skb+0x130/0x360 [ 5489.481062][ T74] netlink_unicast+0x449/0x710 [ 5489.481062][ T74] netlink_sendmsg+0x723/0xbe0 [ 5489.481062][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5489.481062][ T74] ___sys_sendmsg+0xee/0x170 [ 5489.481062][ T74] __sys_sendmsg+0xcd/0x170 [ 5489.481062][ T74] do_syscall_64+0xc6/0x1e0 [ 5489.481062][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5489.481062][ T74] [ 5489.482725][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5489.482725][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5489.482725][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5489.482725][ T74] ipv6_find_idev+0x102/0x170 [ 5489.482725][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5489.482725][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5489.482725][ T74] netlink_rcv_skb+0x130/0x360 [ 5489.482725][ T74] netlink_unicast+0x449/0x710 [ 5489.482725][ T74] netlink_sendmsg+0x723/0xbe0 [ 5489.482725][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5489.482725][ T74] ___sys_sendmsg+0xee/0x170 [ 5489.482725][ T74] __sys_sendmsg+0xcd/0x170 [ 5489.482725][ T74] do_syscall_64+0xc6/0x1e0 [ 5489.482725][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5489.482725][ T74] [ 5489.484707][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5489.484965][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5489.484965][ T74] netdev_get_by_index+0x5e/0x80 [ 5489.484965][ T74] fib6_nh_init+0x3d8/0x1580 [ 5489.484965][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5489.484965][ T74] ip6_route_add+0x1c/0x140 [ 5489.484965][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5489.484965][ T74] inet6_addr_add+0x4f8/0xa40 [ 5489.484965][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5489.484965][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5489.484965][ T74] netlink_rcv_skb+0x130/0x360 [ 5489.484965][ T74] netlink_unicast+0x449/0x710 [ 5489.484965][ T74] netlink_sendmsg+0x723/0xbe0 [ 5489.484965][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5489.484965][ T74] ___sys_sendmsg+0xee/0x170 [ 5489.484965][ T74] __sys_sendmsg+0xcd/0x170 [ 5489.484965][ T74] do_syscall_64+0xc6/0x1e0 [ 5489.484965][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5489.484965][ T74] [ 5489.487193][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5489.487193][ T74] netdev_get_by_index+0x5e/0x80 [ 5489.487193][ T74] fib6_nh_init+0x3d8/0x1580 [ 5489.487193][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5489.487193][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5489.487193][ T74] ipv6_add_addr+0x411/0x2000 [ 5489.487193][ T74] inet6_addr_add+0x30e/0xa40 [ 5489.487193][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5489.487193][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5489.487193][ T74] netlink_rcv_skb+0x130/0x360 [ 5489.487193][ T74] netlink_unicast+0x449/0x710 [ 5489.487193][ T74] netlink_sendmsg+0x723/0xbe0 [ 5489.487193][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5489.487193][ T74] ___sys_sendmsg+0xee/0x170 [ 5489.487193][ T74] __sys_sendmsg+0xcd/0x170 [ 5489.487193][ T74] do_syscall_64+0xc6/0x1e0 [ 5489.487193][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5489.487193][ T74] [ 5489.489419][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5489.489419][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5489.489419][ T74] ipv6_find_idev+0x102/0x170 [ 5489.489419][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5489.489419][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5489.489419][ T74] netlink_rcv_skb+0x130/0x360 [ 5489.489419][ T74] netlink_unicast+0x449/0x710 [ 5489.489419][ T74] netlink_sendmsg+0x723/0xbe0 [ 5489.489419][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5489.489419][ T74] ___sys_sendmsg+0xee/0x170 [ 5489.489419][ T74] __sys_sendmsg+0xcd/0x170 [ 5489.489419][ T74] do_syscall_64+0xc6/0x1e0 [ 5489.489419][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5489.489419][ T74] [ 5489.491149][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5489.491149][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5489.491149][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5489.491149][ T74] ipv6_find_idev+0x102/0x170 [ 5489.491149][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5489.491149][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5489.491149][ T74] netlink_rcv_skb+0x130/0x360 [ 5489.491149][ T74] netlink_unicast+0x449/0x710 [ 5489.491149][ T74] netlink_sendmsg+0x723/0xbe0 [ 5489.491149][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5489.491149][ T74] ___sys_sendmsg+0xee/0x170 [ 5489.491149][ T74] __sys_sendmsg+0xcd/0x170 [ 5489.491149][ T74] do_syscall_64+0xc6/0x1e0 [ 5489.491149][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5489.491149][ T74] [ 5499.743988][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5499.744415][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5499.744415][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5499.744415][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5499.744415][ T74] fib6_nh_init+0xa22/0x1580 [ 5499.744415][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5499.744415][ T74] ip6_route_add+0x1c/0x140 [ 5499.744415][ T74] inet6_rtm_newroute+0x104/0x110 [ 5499.744415][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5499.744415][ T74] netlink_rcv_skb+0x130/0x360 [ 5499.744415][ T74] netlink_unicast+0x449/0x710 [ 5499.744415][ T74] netlink_sendmsg+0x723/0xbe0 [ 5499.744415][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5499.744415][ T74] ___sys_sendmsg+0xee/0x170 [ 5499.744415][ T74] __sys_sendmsg+0xcd/0x170 [ 5499.744415][ T74] do_syscall_64+0xc6/0x1e0 [ 5499.744415][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5499.744415][ T74] [ 5499.746315][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5499.746315][ T74] netdev_get_by_index+0x5e/0x80 [ 5499.746315][ T74] fib6_nh_init+0x3d8/0x1580 [ 5499.746315][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5499.746315][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5499.746315][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5499.746315][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5499.746315][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5499.746315][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5499.746315][ T74] addrconf_dad_begin+0x310/0x670 [ 5499.746315][ T74] addrconf_dad_work+0x10b/0xab0 [ 5499.746315][ T74] process_one_work+0x84d/0x18a0 [ 5499.746315][ T74] worker_thread+0x587/0xd30 [ 5499.746315][ T74] kthread+0x28a/0x350 [ 5499.746315][ T74] ret_from_fork+0x31/0x70 [ 5499.746315][ T74] ret_from_fork_asm+0x1a/0x30 [ 5499.746315][ T74] [ 5499.748223][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5499.748223][ T74] netdev_get_by_index+0x5e/0x80 [ 5499.748223][ T74] fib6_nh_init+0x3d8/0x1580 [ 5499.748223][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5499.748223][ T74] ip6_route_add+0x1c/0x140 [ 5499.748223][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5499.748223][ T74] inet6_addr_add+0x4f8/0xa40 [ 5499.748223][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5499.748223][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5499.748223][ T74] netlink_rcv_skb+0x130/0x360 [ 5499.748223][ T74] netlink_unicast+0x449/0x710 [ 5499.748223][ T74] netlink_sendmsg+0x723/0xbe0 [ 5499.748223][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5499.748223][ T74] ___sys_sendmsg+0xee/0x170 [ 5499.748223][ T74] __sys_sendmsg+0xcd/0x170 [ 5499.748223][ T74] do_syscall_64+0xc6/0x1e0 [ 5499.748223][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5499.748223][ T74] [ 5499.750221][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5499.750221][ T74] netdev_get_by_index+0x5e/0x80 [ 5499.750221][ T74] fib6_nh_init+0x3d8/0x1580 [ 5499.750221][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5499.750221][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5499.750221][ T74] ipv6_add_addr+0x411/0x2000 [ 5499.750221][ T74] inet6_addr_add+0x30e/0xa40 [ 5499.750221][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5499.750221][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5499.750221][ T74] netlink_rcv_skb+0x130/0x360 [ 5499.750221][ T74] netlink_unicast+0x449/0x710 [ 5499.750221][ T74] netlink_sendmsg+0x723/0xbe0 [ 5499.750221][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5499.750221][ T74] ___sys_sendmsg+0xee/0x170 [ 5499.750221][ T74] __sys_sendmsg+0xcd/0x170 [ 5499.750221][ T74] do_syscall_64+0xc6/0x1e0 [ 5499.750221][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5499.750221][ T74] [ 5499.752220][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5499.752220][ T74] netdev_get_by_index+0x5e/0x80 [ 5499.752220][ T74] fib6_nh_init+0x3d8/0x1580 [ 5499.752220][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5499.752220][ T74] ip6_route_add+0x1c/0x140 [ 5499.752220][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5499.752220][ T74] addrconf_add_dev+0xe2/0x170 [ 5499.752220][ T74] inet6_addr_add+0x12f/0xa40 [ 5499.752220][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5499.752220][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5499.752220][ T74] netlink_rcv_skb+0x130/0x360 [ 5499.752220][ T74] netlink_unicast+0x449/0x710 [ 5499.752220][ T74] netlink_sendmsg+0x723/0xbe0 [ 5499.752220][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5499.752220][ T74] ___sys_sendmsg+0xee/0x170 [ 5499.752220][ T74] __sys_sendmsg+0xcd/0x170 [ 5499.752220][ T74] do_syscall_64+0xc6/0x1e0 [ 5499.752220][ T74] [ 5499.754180][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5499.754180][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5499.754180][ T74] ipv6_find_idev+0x102/0x170 [ 5499.754180][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5499.754180][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5499.754180][ T74] netlink_rcv_skb+0x130/0x360 [ 5499.754180][ T74] netlink_unicast+0x449/0x710 [ 5499.754180][ T74] netlink_sendmsg+0x723/0xbe0 [ 5499.754180][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5499.754180][ T74] ___sys_sendmsg+0xee/0x170 [ 5499.754180][ T74] __sys_sendmsg+0xcd/0x170 [ 5499.754180][ T74] do_syscall_64+0xc6/0x1e0 [ 5499.754180][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5499.754180][ T74] [ 5499.755708][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5499.755708][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5499.755708][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5499.755708][ T74] ipv6_find_idev+0x102/0x170 [ 5499.755708][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5499.755708][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5499.755708][ T74] netlink_rcv_skb+0x130/0x360 [ 5499.755708][ T74] netlink_unicast+0x449/0x710 [ 5499.755708][ T74] netlink_sendmsg+0x723/0xbe0 [ 5499.755708][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5499.755708][ T74] ___sys_sendmsg+0xee/0x170 [ 5499.755708][ T74] __sys_sendmsg+0xcd/0x170 [ 5499.755708][ T74] do_syscall_64+0xc6/0x1e0 [ 5499.755708][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5499.755708][ T74] [ 5499.757387][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5499.757662][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5499.757662][ T74] dst_init+0x84/0x4a0 [ 5499.757662][ T74] dst_alloc+0x97/0x150 [ 5499.757662][ T74] ip6_dst_alloc+0x23/0x90 [ 5499.757662][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5499.757662][ T74] ip6_pol_route+0x56f/0x840 [ 5499.757662][ T74] fib6_rule_lookup+0x456/0x630 [ 5499.757662][ T74] ip6_route_input+0x59c/0xa50 [ 5499.757662][ T74] ipv6_rcv+0x397/0x810 [ 5499.757662][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5499.757662][ T74] process_backlog+0x101/0x620 [ 5499.757662][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5499.757662][ T74] net_rx_action+0x495/0xbe0 [ 5499.757662][ T74] __do_softirq+0x1b5/0x7f6 [ 5499.757662][ T74] [ 5499.759300][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5499.759300][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5499.759300][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5499.759300][ T74] fib6_nh_init+0xa22/0x1580 [ 5499.759300][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5499.759300][ T74] ip6_route_add+0x1c/0x140 [ 5499.759300][ T74] inet6_rtm_newroute+0x104/0x110 [ 5499.759300][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5499.759300][ T74] netlink_rcv_skb+0x130/0x360 [ 5499.759300][ T74] netlink_unicast+0x449/0x710 [ 5499.759300][ T74] netlink_sendmsg+0x723/0xbe0 [ 5499.759300][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5499.759300][ T74] ___sys_sendmsg+0xee/0x170 [ 5499.759300][ T74] __sys_sendmsg+0xcd/0x170 [ 5499.759300][ T74] do_syscall_64+0xc6/0x1e0 [ 5499.759300][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5499.759300][ T74] [ 5499.761169][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5499.761169][ T74] netdev_get_by_index+0x5e/0x80 [ 5499.761169][ T74] fib6_nh_init+0x3d8/0x1580 [ 5499.761169][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5499.761169][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5499.761169][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5499.761169][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5499.761169][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5499.761169][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5499.761169][ T74] addrconf_dad_begin+0x310/0x670 [ 5499.761169][ T74] addrconf_dad_work+0x10b/0xab0 [ 5499.761169][ T74] process_one_work+0x84d/0x18a0 [ 5499.761169][ T74] worker_thread+0x587/0xd30 [ 5499.761169][ T74] kthread+0x28a/0x350 [ 5499.761169][ T74] ret_from_fork+0x31/0x70 [ 5499.761169][ T74] ret_from_fork_asm+0x1a/0x30 [ 5499.761169][ T74] [ 5499.763080][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5499.763080][ T74] netdev_get_by_index+0x5e/0x80 [ 5499.763080][ T74] fib6_nh_init+0x3d8/0x1580 [ 5499.763080][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5499.763080][ T74] ip6_route_add+0x1c/0x140 [ 5499.763080][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5499.763080][ T74] inet6_addr_add+0x4f8/0xa40 [ 5499.763080][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5499.763080][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5499.763080][ T74] netlink_rcv_skb+0x130/0x360 [ 5499.763080][ T74] netlink_unicast+0x449/0x710 [ 5499.763080][ T74] netlink_sendmsg+0x723/0xbe0 [ 5499.763080][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5499.763080][ T74] ___sys_sendmsg+0xee/0x170 [ 5499.763080][ T74] __sys_sendmsg+0xcd/0x170 [ 5499.763080][ T74] do_syscall_64+0xc6/0x1e0 [ 5499.763080][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5499.763080][ T74] [ 5499.765072][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5499.765072][ T74] netdev_get_by_index+0x5e/0x80 [ 5499.765072][ T74] fib6_nh_init+0x3d8/0x1580 [ 5499.765072][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5499.765072][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5499.765072][ T74] ipv6_add_addr+0x411/0x2000 [ 5499.765072][ T74] inet6_addr_add+0x30e/0xa40 [ 5499.765072][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5499.765072][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5499.765072][ T74] netlink_rcv_skb+0x130/0x360 [ 5499.765072][ T74] netlink_unicast+0x449/0x710 [ 5499.765072][ T74] netlink_sendmsg+0x723/0xbe0 [ 5499.765072][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5499.765072][ T74] ___sys_sendmsg+0xee/0x170 [ 5499.765072][ T74] __sys_sendmsg+0xcd/0x170 [ 5499.765072][ T74] do_syscall_64+0xc6/0x1e0 [ 5499.765072][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5499.765072][ T74] [ 5499.767065][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5499.767065][ T74] netdev_get_by_index+0x5e/0x80 [ 5499.767065][ T74] fib6_nh_init+0x3d8/0x1580 [ 5499.767065][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5499.767065][ T74] ip6_route_add+0x1c/0x140 [ 5499.767065][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5499.767065][ T74] addrconf_add_dev+0xe2/0x170 [ 5499.767065][ T74] inet6_addr_add+0x12f/0xa40 [ 5499.767065][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5499.767065][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5499.767065][ T74] netlink_rcv_skb+0x130/0x360 [ 5499.767065][ T74] netlink_unicast+0x449/0x710 [ 5499.767065][ T74] netlink_sendmsg+0x723/0xbe0 [ 5499.767065][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5499.767065][ T74] ___sys_sendmsg+0xee/0x170 [ 5499.767065][ T74] __sys_sendmsg+0xcd/0x170 [ 5499.767065][ T74] do_syscall_64+0xc6/0x1e0 [ 5499.767065][ T74] [ 5499.769014][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5499.769014][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5499.769014][ T74] ipv6_find_idev+0x102/0x170 [ 5499.769014][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5499.769014][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5499.769014][ T74] netlink_rcv_skb+0x130/0x360 [ 5499.769014][ T74] netlink_unicast+0x449/0x710 [ 5499.769014][ T74] netlink_sendmsg+0x723/0xbe0 [ 5499.769014][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5499.769014][ T74] ___sys_sendmsg+0xee/0x170 [ 5499.769014][ T74] __sys_sendmsg+0xcd/0x170 [ 5499.769014][ T74] do_syscall_64+0xc6/0x1e0 [ 5499.769014][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5499.769014][ T74] [ 5499.770671][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5499.770671][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5499.770671][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5499.770671][ T74] ipv6_find_idev+0x102/0x170 [ 5499.770671][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5499.770671][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5499.770671][ T74] netlink_rcv_skb+0x130/0x360 [ 5499.770671][ T74] netlink_unicast+0x449/0x710 [ 5499.770671][ T74] netlink_sendmsg+0x723/0xbe0 [ 5499.770671][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5499.770671][ T74] ___sys_sendmsg+0xee/0x170 [ 5499.770671][ T74] __sys_sendmsg+0xcd/0x170 [ 5499.770671][ T74] do_syscall_64+0xc6/0x1e0 [ 5499.770671][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5499.770671][ T74] [ 5499.772662][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5499.772917][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5499.772917][ T74] netdev_get_by_index+0x5e/0x80 [ 5499.772917][ T74] fib6_nh_init+0x3d8/0x1580 [ 5499.772917][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5499.772917][ T74] ip6_route_add+0x1c/0x140 [ 5499.772917][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5499.772917][ T74] inet6_addr_add+0x4f8/0xa40 [ 5499.772917][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5499.772917][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5499.772917][ T74] netlink_rcv_skb+0x130/0x360 [ 5499.772917][ T74] netlink_unicast+0x449/0x710 [ 5499.772917][ T74] netlink_sendmsg+0x723/0xbe0 [ 5499.772917][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5499.772917][ T74] ___sys_sendmsg+0xee/0x170 [ 5499.772917][ T74] __sys_sendmsg+0xcd/0x170 [ 5499.772917][ T74] do_syscall_64+0xc6/0x1e0 [ 5499.772917][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5499.772917][ T74] [ 5499.775249][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5499.775249][ T74] netdev_get_by_index+0x5e/0x80 [ 5499.775249][ T74] fib6_nh_init+0x3d8/0x1580 [ 5499.775249][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5499.775249][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5499.775249][ T74] ipv6_add_addr+0x411/0x2000 [ 5499.775249][ T74] inet6_addr_add+0x30e/0xa40 [ 5499.775249][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5499.775249][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5499.775249][ T74] netlink_rcv_skb+0x130/0x360 [ 5499.775249][ T74] netlink_unicast+0x449/0x710 [ 5499.775249][ T74] netlink_sendmsg+0x723/0xbe0 [ 5499.775249][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5499.775249][ T74] ___sys_sendmsg+0xee/0x170 [ 5499.775249][ T74] __sys_sendmsg+0xcd/0x170 [ 5499.775249][ T74] do_syscall_64+0xc6/0x1e0 [ 5499.775249][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5499.775249][ T74] [ 5499.777492][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5499.777492][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5499.777492][ T74] ipv6_find_idev+0x102/0x170 [ 5499.777492][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5499.777492][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5499.777492][ T74] netlink_rcv_skb+0x130/0x360 [ 5499.777492][ T74] netlink_unicast+0x449/0x710 [ 5499.777492][ T74] netlink_sendmsg+0x723/0xbe0 [ 5499.777492][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5499.777492][ T74] ___sys_sendmsg+0xee/0x170 [ 5499.777492][ T74] __sys_sendmsg+0xcd/0x170 [ 5499.777492][ T74] do_syscall_64+0xc6/0x1e0 [ 5499.777492][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5499.777492][ T74] [ 5499.779204][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5499.779204][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5499.779204][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5499.779204][ T74] ipv6_find_idev+0x102/0x170 [ 5499.779204][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5499.779204][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5499.779204][ T74] netlink_rcv_skb+0x130/0x360 [ 5499.779204][ T74] netlink_unicast+0x449/0x710 [ 5499.779204][ T74] netlink_sendmsg+0x723/0xbe0 [ 5499.779204][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5499.779204][ T74] ___sys_sendmsg+0xee/0x170 [ 5499.779204][ T74] __sys_sendmsg+0xcd/0x170 [ 5499.779204][ T74] do_syscall_64+0xc6/0x1e0 [ 5499.779204][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5499.779204][ T74] [ 5509.951956][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5509.952416][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5509.952416][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5509.952416][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5509.952416][ T74] fib6_nh_init+0xa22/0x1580 [ 5509.952416][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5509.952416][ T74] ip6_route_add+0x1c/0x140 [ 5509.952416][ T74] inet6_rtm_newroute+0x104/0x110 [ 5509.952416][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5509.952416][ T74] netlink_rcv_skb+0x130/0x360 [ 5509.952416][ T74] netlink_unicast+0x449/0x710 [ 5509.952416][ T74] netlink_sendmsg+0x723/0xbe0 [ 5509.952416][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5509.952416][ T74] ___sys_sendmsg+0xee/0x170 [ 5509.952416][ T74] __sys_sendmsg+0xcd/0x170 [ 5509.952416][ T74] do_syscall_64+0xc6/0x1e0 [ 5509.952416][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5509.952416][ T74] [ 5509.954347][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5509.954347][ T74] netdev_get_by_index+0x5e/0x80 [ 5509.954347][ T74] fib6_nh_init+0x3d8/0x1580 [ 5509.954347][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5509.954347][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5509.954347][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5509.954347][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5509.954347][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5509.954347][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5509.954347][ T74] addrconf_dad_begin+0x310/0x670 [ 5509.954347][ T74] addrconf_dad_work+0x10b/0xab0 [ 5509.954347][ T74] process_one_work+0x84d/0x18a0 [ 5509.954347][ T74] worker_thread+0x587/0xd30 [ 5509.954347][ T74] kthread+0x28a/0x350 [ 5509.954347][ T74] ret_from_fork+0x31/0x70 [ 5509.954347][ T74] ret_from_fork_asm+0x1a/0x30 [ 5509.954347][ T74] [ 5509.956278][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5509.956278][ T74] netdev_get_by_index+0x5e/0x80 [ 5509.956278][ T74] fib6_nh_init+0x3d8/0x1580 [ 5509.956278][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5509.956278][ T74] ip6_route_add+0x1c/0x140 [ 5509.956278][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5509.956278][ T74] inet6_addr_add+0x4f8/0xa40 [ 5509.956278][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5509.956278][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5509.956278][ T74] netlink_rcv_skb+0x130/0x360 [ 5509.956278][ T74] netlink_unicast+0x449/0x710 [ 5509.956278][ T74] netlink_sendmsg+0x723/0xbe0 [ 5509.956278][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5509.956278][ T74] ___sys_sendmsg+0xee/0x170 [ 5509.956278][ T74] __sys_sendmsg+0xcd/0x170 [ 5509.956278][ T74] do_syscall_64+0xc6/0x1e0 [ 5509.956278][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5509.956278][ T74] [ 5509.958300][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5509.958300][ T74] netdev_get_by_index+0x5e/0x80 [ 5509.958300][ T74] fib6_nh_init+0x3d8/0x1580 [ 5509.958300][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5509.958300][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5509.958300][ T74] ipv6_add_addr+0x411/0x2000 [ 5509.958300][ T74] inet6_addr_add+0x30e/0xa40 [ 5509.958300][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5509.958300][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5509.958300][ T74] netlink_rcv_skb+0x130/0x360 [ 5509.958300][ T74] netlink_unicast+0x449/0x710 [ 5509.958300][ T74] netlink_sendmsg+0x723/0xbe0 [ 5509.958300][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5509.958300][ T74] ___sys_sendmsg+0xee/0x170 [ 5509.958300][ T74] __sys_sendmsg+0xcd/0x170 [ 5509.958300][ T74] do_syscall_64+0xc6/0x1e0 [ 5509.958300][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5509.958300][ T74] [ 5509.960320][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5509.960320][ T74] netdev_get_by_index+0x5e/0x80 [ 5509.960320][ T74] fib6_nh_init+0x3d8/0x1580 [ 5509.960320][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5509.960320][ T74] ip6_route_add+0x1c/0x140 [ 5509.960320][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5509.960320][ T74] addrconf_add_dev+0xe2/0x170 [ 5509.960320][ T74] inet6_addr_add+0x12f/0xa40 [ 5509.960320][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5509.960320][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5509.960320][ T74] netlink_rcv_skb+0x130/0x360 [ 5509.960320][ T74] netlink_unicast+0x449/0x710 [ 5509.960320][ T74] netlink_sendmsg+0x723/0xbe0 [ 5509.960320][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5509.960320][ T74] ___sys_sendmsg+0xee/0x170 [ 5509.960320][ T74] __sys_sendmsg+0xcd/0x170 [ 5509.960320][ T74] do_syscall_64+0xc6/0x1e0 [ 5509.960320][ T74] [ 5509.962350][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5509.962350][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5509.962350][ T74] ipv6_find_idev+0x102/0x170 [ 5509.962350][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5509.962350][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5509.962350][ T74] netlink_rcv_skb+0x130/0x360 [ 5509.962350][ T74] netlink_unicast+0x449/0x710 [ 5509.962350][ T74] netlink_sendmsg+0x723/0xbe0 [ 5509.962350][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5509.962350][ T74] ___sys_sendmsg+0xee/0x170 [ 5509.962350][ T74] __sys_sendmsg+0xcd/0x170 [ 5509.962350][ T74] do_syscall_64+0xc6/0x1e0 [ 5509.962350][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5509.962350][ T74] [ 5509.963914][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5509.963914][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5509.963914][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5509.963914][ T74] ipv6_find_idev+0x102/0x170 [ 5509.963914][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5509.963914][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5509.963914][ T74] netlink_rcv_skb+0x130/0x360 [ 5509.963914][ T74] netlink_unicast+0x449/0x710 [ 5509.963914][ T74] netlink_sendmsg+0x723/0xbe0 [ 5509.963914][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5509.963914][ T74] ___sys_sendmsg+0xee/0x170 [ 5509.963914][ T74] __sys_sendmsg+0xcd/0x170 [ 5509.963914][ T74] do_syscall_64+0xc6/0x1e0 [ 5509.963914][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5509.963914][ T74] [ 5509.965624][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5509.965918][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5509.965918][ T74] dst_init+0x84/0x4a0 [ 5509.965918][ T74] dst_alloc+0x97/0x150 [ 5509.965918][ T74] ip6_dst_alloc+0x23/0x90 [ 5509.965918][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5509.965918][ T74] ip6_pol_route+0x56f/0x840 [ 5509.965918][ T74] fib6_rule_lookup+0x456/0x630 [ 5509.965918][ T74] ip6_route_input+0x59c/0xa50 [ 5509.965918][ T74] ipv6_rcv+0x397/0x810 [ 5509.965918][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5509.965918][ T74] process_backlog+0x101/0x620 [ 5509.965918][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5509.965918][ T74] net_rx_action+0x495/0xbe0 [ 5509.965918][ T74] __do_softirq+0x1b5/0x7f6 [ 5509.965918][ T74] [ 5509.967562][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5509.967562][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5509.967562][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5509.967562][ T74] fib6_nh_init+0xa22/0x1580 [ 5509.967562][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5509.967562][ T74] ip6_route_add+0x1c/0x140 [ 5509.967562][ T74] inet6_rtm_newroute+0x104/0x110 [ 5509.967562][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5509.967562][ T74] netlink_rcv_skb+0x130/0x360 [ 5509.967562][ T74] netlink_unicast+0x449/0x710 [ 5509.967562][ T74] netlink_sendmsg+0x723/0xbe0 [ 5509.967562][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5509.967562][ T74] ___sys_sendmsg+0xee/0x170 [ 5509.967562][ T74] __sys_sendmsg+0xcd/0x170 [ 5509.967562][ T74] do_syscall_64+0xc6/0x1e0 [ 5509.967562][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5509.967562][ T74] [ 5509.969463][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5509.969463][ T74] netdev_get_by_index+0x5e/0x80 [ 5509.969463][ T74] fib6_nh_init+0x3d8/0x1580 [ 5509.969463][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5509.969463][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5509.969463][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5509.969463][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5509.969463][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5509.969463][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5509.969463][ T74] addrconf_dad_begin+0x310/0x670 [ 5509.969463][ T74] addrconf_dad_work+0x10b/0xab0 [ 5509.969463][ T74] process_one_work+0x84d/0x18a0 [ 5509.969463][ T74] worker_thread+0x587/0xd30 [ 5509.969463][ T74] kthread+0x28a/0x350 [ 5509.969463][ T74] ret_from_fork+0x31/0x70 [ 5509.969463][ T74] ret_from_fork_asm+0x1a/0x30 [ 5509.969463][ T74] [ 5509.971393][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5509.971393][ T74] netdev_get_by_index+0x5e/0x80 [ 5509.971393][ T74] fib6_nh_init+0x3d8/0x1580 [ 5509.971393][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5509.971393][ T74] ip6_route_add+0x1c/0x140 [ 5509.971393][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5509.971393][ T74] inet6_addr_add+0x4f8/0xa40 [ 5509.971393][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5509.971393][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5509.971393][ T74] netlink_rcv_skb+0x130/0x360 [ 5509.971393][ T74] netlink_unicast+0x449/0x710 [ 5509.971393][ T74] netlink_sendmsg+0x723/0xbe0 [ 5509.971393][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5509.971393][ T74] ___sys_sendmsg+0xee/0x170 [ 5509.971393][ T74] __sys_sendmsg+0xcd/0x170 [ 5509.971393][ T74] do_syscall_64+0xc6/0x1e0 [ 5509.971393][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5509.971393][ T74] [ 5509.973406][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5509.973406][ T74] netdev_get_by_index+0x5e/0x80 [ 5509.973406][ T74] fib6_nh_init+0x3d8/0x1580 [ 5509.973406][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5509.973406][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5509.973406][ T74] ipv6_add_addr+0x411/0x2000 [ 5509.973406][ T74] inet6_addr_add+0x30e/0xa40 [ 5509.973406][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5509.973406][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5509.973406][ T74] netlink_rcv_skb+0x130/0x360 [ 5509.973406][ T74] netlink_unicast+0x449/0x710 [ 5509.973406][ T74] netlink_sendmsg+0x723/0xbe0 [ 5509.973406][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5509.973406][ T74] ___sys_sendmsg+0xee/0x170 [ 5509.973406][ T74] __sys_sendmsg+0xcd/0x170 [ 5509.973406][ T74] do_syscall_64+0xc6/0x1e0 [ 5509.973406][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5509.973406][ T74] [ 5509.975420][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5509.975420][ T74] netdev_get_by_index+0x5e/0x80 [ 5509.975420][ T74] fib6_nh_init+0x3d8/0x1580 [ 5509.975420][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5509.975420][ T74] ip6_route_add+0x1c/0x140 [ 5509.975420][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5509.975420][ T74] addrconf_add_dev+0xe2/0x170 [ 5509.975420][ T74] inet6_addr_add+0x12f/0xa40 [ 5509.975420][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5509.975420][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5509.975420][ T74] netlink_rcv_skb+0x130/0x360 [ 5509.975420][ T74] netlink_unicast+0x449/0x710 [ 5509.975420][ T74] netlink_sendmsg+0x723/0xbe0 [ 5509.975420][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5509.975420][ T74] ___sys_sendmsg+0xee/0x170 [ 5509.975420][ T74] __sys_sendmsg+0xcd/0x170 [ 5509.975420][ T74] do_syscall_64+0xc6/0x1e0 [ 5509.975420][ T74] [ 5509.977401][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5509.977401][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5509.977401][ T74] ipv6_find_idev+0x102/0x170 [ 5509.977401][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5509.977401][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5509.977401][ T74] netlink_rcv_skb+0x130/0x360 [ 5509.977401][ T74] netlink_unicast+0x449/0x710 [ 5509.977401][ T74] netlink_sendmsg+0x723/0xbe0 [ 5509.977401][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5509.977401][ T74] ___sys_sendmsg+0xee/0x170 [ 5509.977401][ T74] __sys_sendmsg+0xcd/0x170 [ 5509.977401][ T74] do_syscall_64+0xc6/0x1e0 [ 5509.977401][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5509.977401][ T74] [ 5509.979131][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5509.979131][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5509.979131][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5509.979131][ T74] ipv6_find_idev+0x102/0x170 [ 5509.979131][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5509.979131][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5509.979131][ T74] netlink_rcv_skb+0x130/0x360 [ 5509.979131][ T74] netlink_unicast+0x449/0x710 [ 5509.979131][ T74] netlink_sendmsg+0x723/0xbe0 [ 5509.979131][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5509.979131][ T74] ___sys_sendmsg+0xee/0x170 [ 5509.979131][ T74] __sys_sendmsg+0xcd/0x170 [ 5509.979131][ T74] do_syscall_64+0xc6/0x1e0 [ 5509.979131][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5509.979131][ T74] [ 5509.981076][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5509.981381][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5509.981381][ T74] netdev_get_by_index+0x5e/0x80 [ 5509.981381][ T74] fib6_nh_init+0x3d8/0x1580 [ 5509.981381][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5509.981381][ T74] ip6_route_add+0x1c/0x140 [ 5509.981381][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5509.981381][ T74] inet6_addr_add+0x4f8/0xa40 [ 5509.981381][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5509.981381][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5509.981381][ T74] netlink_rcv_skb+0x130/0x360 [ 5509.981381][ T74] netlink_unicast+0x449/0x710 [ 5509.981381][ T74] netlink_sendmsg+0x723/0xbe0 [ 5509.981381][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5509.981381][ T74] ___sys_sendmsg+0xee/0x170 [ 5509.981381][ T74] __sys_sendmsg+0xcd/0x170 [ 5509.981381][ T74] do_syscall_64+0xc6/0x1e0 [ 5509.981381][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5509.981381][ T74] [ 5509.983583][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5509.983583][ T74] netdev_get_by_index+0x5e/0x80 [ 5509.983583][ T74] fib6_nh_init+0x3d8/0x1580 [ 5509.983583][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5509.983583][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5509.983583][ T74] ipv6_add_addr+0x411/0x2000 [ 5509.983583][ T74] inet6_addr_add+0x30e/0xa40 [ 5509.983583][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5509.983583][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5509.983583][ T74] netlink_rcv_skb+0x130/0x360 [ 5509.983583][ T74] netlink_unicast+0x449/0x710 [ 5509.983583][ T74] netlink_sendmsg+0x723/0xbe0 [ 5509.983583][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5509.983583][ T74] ___sys_sendmsg+0xee/0x170 [ 5509.983583][ T74] __sys_sendmsg+0xcd/0x170 [ 5509.983583][ T74] do_syscall_64+0xc6/0x1e0 [ 5509.983583][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5509.983583][ T74] [ 5509.985820][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5509.985820][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5509.985820][ T74] ipv6_find_idev+0x102/0x170 [ 5509.985820][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5509.985820][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5509.985820][ T74] netlink_rcv_skb+0x130/0x360 [ 5509.985820][ T74] netlink_unicast+0x449/0x710 [ 5509.985820][ T74] netlink_sendmsg+0x723/0xbe0 [ 5509.985820][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5509.985820][ T74] ___sys_sendmsg+0xee/0x170 [ 5509.985820][ T74] __sys_sendmsg+0xcd/0x170 [ 5509.985820][ T74] do_syscall_64+0xc6/0x1e0 [ 5509.985820][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5509.985820][ T74] [ 5509.987545][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5509.987545][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5509.987545][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5509.987545][ T74] ipv6_find_idev+0x102/0x170 [ 5509.987545][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5509.987545][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5509.987545][ T74] netlink_rcv_skb+0x130/0x360 [ 5509.987545][ T74] netlink_unicast+0x449/0x710 [ 5509.987545][ T74] netlink_sendmsg+0x723/0xbe0 [ 5509.987545][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5509.987545][ T74] ___sys_sendmsg+0xee/0x170 [ 5509.987545][ T74] __sys_sendmsg+0xcd/0x170 [ 5509.987545][ T74] do_syscall_64+0xc6/0x1e0 [ 5509.987545][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5509.987545][ T74] [ 5520.231888][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5520.232257][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5520.232257][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5520.232257][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5520.232257][ T74] fib6_nh_init+0xa22/0x1580 [ 5520.232257][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5520.232257][ T74] ip6_route_add+0x1c/0x140 [ 5520.232257][ T74] inet6_rtm_newroute+0x104/0x110 [ 5520.232257][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5520.232257][ T74] netlink_rcv_skb+0x130/0x360 [ 5520.232257][ T74] netlink_unicast+0x449/0x710 [ 5520.232257][ T74] netlink_sendmsg+0x723/0xbe0 [ 5520.232257][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5520.232257][ T74] ___sys_sendmsg+0xee/0x170 [ 5520.232257][ T74] __sys_sendmsg+0xcd/0x170 [ 5520.232257][ T74] do_syscall_64+0xc6/0x1e0 [ 5520.232257][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5520.232257][ T74] [ 5520.234179][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5520.234179][ T74] netdev_get_by_index+0x5e/0x80 [ 5520.234179][ T74] fib6_nh_init+0x3d8/0x1580 [ 5520.234179][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5520.234179][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5520.234179][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5520.234179][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5520.234179][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5520.234179][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5520.234179][ T74] addrconf_dad_begin+0x310/0x670 [ 5520.234179][ T74] addrconf_dad_work+0x10b/0xab0 [ 5520.234179][ T74] process_one_work+0x84d/0x18a0 [ 5520.234179][ T74] worker_thread+0x587/0xd30 [ 5520.234179][ T74] kthread+0x28a/0x350 [ 5520.234179][ T74] ret_from_fork+0x31/0x70 [ 5520.234179][ T74] ret_from_fork_asm+0x1a/0x30 [ 5520.234179][ T74] [ 5520.236092][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5520.236092][ T74] netdev_get_by_index+0x5e/0x80 [ 5520.236092][ T74] fib6_nh_init+0x3d8/0x1580 [ 5520.236092][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5520.236092][ T74] ip6_route_add+0x1c/0x140 [ 5520.236092][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5520.236092][ T74] inet6_addr_add+0x4f8/0xa40 [ 5520.236092][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5520.236092][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5520.236092][ T74] netlink_rcv_skb+0x130/0x360 [ 5520.236092][ T74] netlink_unicast+0x449/0x710 [ 5520.236092][ T74] netlink_sendmsg+0x723/0xbe0 [ 5520.236092][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5520.236092][ T74] ___sys_sendmsg+0xee/0x170 [ 5520.236092][ T74] __sys_sendmsg+0xcd/0x170 [ 5520.236092][ T74] do_syscall_64+0xc6/0x1e0 [ 5520.236092][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5520.236092][ T74] [ 5520.238090][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5520.238090][ T74] netdev_get_by_index+0x5e/0x80 [ 5520.238090][ T74] fib6_nh_init+0x3d8/0x1580 [ 5520.238090][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5520.238090][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5520.238090][ T74] ipv6_add_addr+0x411/0x2000 [ 5520.238090][ T74] inet6_addr_add+0x30e/0xa40 [ 5520.238090][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5520.238090][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5520.238090][ T74] netlink_rcv_skb+0x130/0x360 [ 5520.238090][ T74] netlink_unicast+0x449/0x710 [ 5520.238090][ T74] netlink_sendmsg+0x723/0xbe0 [ 5520.238090][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5520.238090][ T74] ___sys_sendmsg+0xee/0x170 [ 5520.238090][ T74] __sys_sendmsg+0xcd/0x170 [ 5520.238090][ T74] do_syscall_64+0xc6/0x1e0 [ 5520.238090][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5520.238090][ T74] [ 5520.240091][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5520.240091][ T74] netdev_get_by_index+0x5e/0x80 [ 5520.240091][ T74] fib6_nh_init+0x3d8/0x1580 [ 5520.240091][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5520.240091][ T74] ip6_route_add+0x1c/0x140 [ 5520.240091][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5520.240091][ T74] addrconf_add_dev+0xe2/0x170 [ 5520.240091][ T74] inet6_addr_add+0x12f/0xa40 [ 5520.240091][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5520.240091][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5520.240091][ T74] netlink_rcv_skb+0x130/0x360 [ 5520.240091][ T74] netlink_unicast+0x449/0x710 [ 5520.240091][ T74] netlink_sendmsg+0x723/0xbe0 [ 5520.240091][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5520.240091][ T74] ___sys_sendmsg+0xee/0x170 [ 5520.240091][ T74] __sys_sendmsg+0xcd/0x170 [ 5520.240091][ T74] do_syscall_64+0xc6/0x1e0 [ 5520.240091][ T74] [ 5520.242051][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5520.242051][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5520.242051][ T74] ipv6_find_idev+0x102/0x170 [ 5520.242051][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5520.242051][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5520.242051][ T74] netlink_rcv_skb+0x130/0x360 [ 5520.242051][ T74] netlink_unicast+0x449/0x710 [ 5520.242051][ T74] netlink_sendmsg+0x723/0xbe0 [ 5520.242051][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5520.242051][ T74] ___sys_sendmsg+0xee/0x170 [ 5520.242051][ T74] __sys_sendmsg+0xcd/0x170 [ 5520.242051][ T74] do_syscall_64+0xc6/0x1e0 [ 5520.242051][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5520.242051][ T74] [ 5520.243600][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5520.243600][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5520.243600][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5520.243600][ T74] ipv6_find_idev+0x102/0x170 [ 5520.243600][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5520.243600][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5520.243600][ T74] netlink_rcv_skb+0x130/0x360 [ 5520.243600][ T74] netlink_unicast+0x449/0x710 [ 5520.243600][ T74] netlink_sendmsg+0x723/0xbe0 [ 5520.243600][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5520.243600][ T74] ___sys_sendmsg+0xee/0x170 [ 5520.243600][ T74] __sys_sendmsg+0xcd/0x170 [ 5520.243600][ T74] do_syscall_64+0xc6/0x1e0 [ 5520.243600][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5520.243600][ T74] [ 5520.245291][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5520.245570][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5520.245570][ T74] dst_init+0x84/0x4a0 [ 5520.245570][ T74] dst_alloc+0x97/0x150 [ 5520.245570][ T74] ip6_dst_alloc+0x23/0x90 [ 5520.245570][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5520.245570][ T74] ip6_pol_route+0x56f/0x840 [ 5520.245570][ T74] fib6_rule_lookup+0x456/0x630 [ 5520.245570][ T74] ip6_route_input+0x59c/0xa50 [ 5520.245570][ T74] ipv6_rcv+0x397/0x810 [ 5520.245570][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5520.245570][ T74] process_backlog+0x101/0x620 [ 5520.245570][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5520.245570][ T74] net_rx_action+0x495/0xbe0 [ 5520.245570][ T74] __do_softirq+0x1b5/0x7f6 [ 5520.245570][ T74] [ 5520.247212][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5520.247212][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5520.247212][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5520.247212][ T74] fib6_nh_init+0xa22/0x1580 [ 5520.247212][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5520.247212][ T74] ip6_route_add+0x1c/0x140 [ 5520.247212][ T74] inet6_rtm_newroute+0x104/0x110 [ 5520.247212][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5520.247212][ T74] netlink_rcv_skb+0x130/0x360 [ 5520.247212][ T74] netlink_unicast+0x449/0x710 [ 5520.247212][ T74] netlink_sendmsg+0x723/0xbe0 [ 5520.247212][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5520.247212][ T74] ___sys_sendmsg+0xee/0x170 [ 5520.247212][ T74] __sys_sendmsg+0xcd/0x170 [ 5520.247212][ T74] do_syscall_64+0xc6/0x1e0 [ 5520.247212][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5520.247212][ T74] [ 5520.249089][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5520.249089][ T74] netdev_get_by_index+0x5e/0x80 [ 5520.249089][ T74] fib6_nh_init+0x3d8/0x1580 [ 5520.249089][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5520.249089][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5520.249089][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5520.249089][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5520.249089][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5520.249089][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5520.249089][ T74] addrconf_dad_begin+0x310/0x670 [ 5520.249089][ T74] addrconf_dad_work+0x10b/0xab0 [ 5520.249089][ T74] process_one_work+0x84d/0x18a0 [ 5520.249089][ T74] worker_thread+0x587/0xd30 [ 5520.249089][ T74] kthread+0x28a/0x350 [ 5520.249089][ T74] ret_from_fork+0x31/0x70 [ 5520.249089][ T74] ret_from_fork_asm+0x1a/0x30 [ 5520.249089][ T74] [ 5520.250996][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5520.250996][ T74] netdev_get_by_index+0x5e/0x80 [ 5520.250996][ T74] fib6_nh_init+0x3d8/0x1580 [ 5520.250996][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5520.250996][ T74] ip6_route_add+0x1c/0x140 [ 5520.250996][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5520.250996][ T74] inet6_addr_add+0x4f8/0xa40 [ 5520.250996][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5520.250996][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5520.250996][ T74] netlink_rcv_skb+0x130/0x360 [ 5520.250996][ T74] netlink_unicast+0x449/0x710 [ 5520.250996][ T74] netlink_sendmsg+0x723/0xbe0 [ 5520.250996][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5520.250996][ T74] ___sys_sendmsg+0xee/0x170 [ 5520.250996][ T74] __sys_sendmsg+0xcd/0x170 [ 5520.250996][ T74] do_syscall_64+0xc6/0x1e0 [ 5520.250996][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5520.250996][ T74] [ 5520.253000][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5520.253000][ T74] netdev_get_by_index+0x5e/0x80 [ 5520.253000][ T74] fib6_nh_init+0x3d8/0x1580 [ 5520.253000][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5520.253000][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5520.253000][ T74] ipv6_add_addr+0x411/0x2000 [ 5520.253000][ T74] inet6_addr_add+0x30e/0xa40 [ 5520.253000][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5520.253000][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5520.253000][ T74] netlink_rcv_skb+0x130/0x360 [ 5520.253000][ T74] netlink_unicast+0x449/0x710 [ 5520.253000][ T74] netlink_sendmsg+0x723/0xbe0 [ 5520.253000][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5520.253000][ T74] ___sys_sendmsg+0xee/0x170 [ 5520.253000][ T74] __sys_sendmsg+0xcd/0x170 [ 5520.253000][ T74] do_syscall_64+0xc6/0x1e0 [ 5520.253000][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5520.253000][ T74] [ 5520.254990][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5520.254990][ T74] netdev_get_by_index+0x5e/0x80 [ 5520.254990][ T74] fib6_nh_init+0x3d8/0x1580 [ 5520.254990][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5520.254990][ T74] ip6_route_add+0x1c/0x140 [ 5520.254990][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5520.254990][ T74] addrconf_add_dev+0xe2/0x170 [ 5520.254990][ T74] inet6_addr_add+0x12f/0xa40 [ 5520.254990][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5520.254990][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5520.254990][ T74] netlink_rcv_skb+0x130/0x360 [ 5520.254990][ T74] netlink_unicast+0x449/0x710 [ 5520.254990][ T74] netlink_sendmsg+0x723/0xbe0 [ 5520.254990][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5520.254990][ T74] ___sys_sendmsg+0xee/0x170 [ 5520.254990][ T74] __sys_sendmsg+0xcd/0x170 [ 5520.254990][ T74] do_syscall_64+0xc6/0x1e0 [ 5520.254990][ T74] [ 5520.256936][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5520.256936][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5520.256936][ T74] ipv6_find_idev+0x102/0x170 [ 5520.256936][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5520.256936][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5520.256936][ T74] netlink_rcv_skb+0x130/0x360 [ 5520.256936][ T74] netlink_unicast+0x449/0x710 [ 5520.256936][ T74] netlink_sendmsg+0x723/0xbe0 [ 5520.256936][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5520.256936][ T74] ___sys_sendmsg+0xee/0x170 [ 5520.256936][ T74] __sys_sendmsg+0xcd/0x170 [ 5520.256936][ T74] do_syscall_64+0xc6/0x1e0 [ 5520.256936][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5520.256936][ T74] [ 5520.258603][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5520.258603][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5520.258603][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5520.258603][ T74] ipv6_find_idev+0x102/0x170 [ 5520.258603][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5520.258603][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5520.258603][ T74] netlink_rcv_skb+0x130/0x360 [ 5520.258603][ T74] netlink_unicast+0x449/0x710 [ 5520.258603][ T74] netlink_sendmsg+0x723/0xbe0 [ 5520.258603][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5520.258603][ T74] ___sys_sendmsg+0xee/0x170 [ 5520.258603][ T74] __sys_sendmsg+0xcd/0x170 [ 5520.258603][ T74] do_syscall_64+0xc6/0x1e0 [ 5520.258603][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5520.258603][ T74] [ 5520.260581][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5520.260819][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5520.260819][ T74] netdev_get_by_index+0x5e/0x80 [ 5520.260819][ T74] fib6_nh_init+0x3d8/0x1580 [ 5520.260819][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5520.260819][ T74] ip6_route_add+0x1c/0x140 [ 5520.260819][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5520.260819][ T74] inet6_addr_add+0x4f8/0xa40 [ 5520.260819][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5520.260819][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5520.260819][ T74] netlink_rcv_skb+0x130/0x360 [ 5520.260819][ T74] netlink_unicast+0x449/0x710 [ 5520.260819][ T74] netlink_sendmsg+0x723/0xbe0 [ 5520.260819][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5520.260819][ T74] ___sys_sendmsg+0xee/0x170 [ 5520.260819][ T74] __sys_sendmsg+0xcd/0x170 [ 5520.260819][ T74] do_syscall_64+0xc6/0x1e0 [ 5520.260819][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5520.260819][ T74] [ 5520.263063][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5520.263063][ T74] netdev_get_by_index+0x5e/0x80 [ 5520.263063][ T74] fib6_nh_init+0x3d8/0x1580 [ 5520.263063][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5520.263063][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5520.263063][ T74] ipv6_add_addr+0x411/0x2000 [ 5520.263063][ T74] inet6_addr_add+0x30e/0xa40 [ 5520.263063][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5520.263063][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5520.263063][ T74] netlink_rcv_skb+0x130/0x360 [ 5520.263063][ T74] netlink_unicast+0x449/0x710 [ 5520.263063][ T74] netlink_sendmsg+0x723/0xbe0 [ 5520.263063][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5520.263063][ T74] ___sys_sendmsg+0xee/0x170 [ 5520.263063][ T74] __sys_sendmsg+0xcd/0x170 [ 5520.263063][ T74] do_syscall_64+0xc6/0x1e0 [ 5520.263063][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5520.263063][ T74] [ 5520.265302][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5520.265302][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5520.265302][ T74] ipv6_find_idev+0x102/0x170 [ 5520.265302][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5520.265302][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5520.265302][ T74] netlink_rcv_skb+0x130/0x360 [ 5520.265302][ T74] netlink_unicast+0x449/0x710 [ 5520.265302][ T74] netlink_sendmsg+0x723/0xbe0 [ 5520.265302][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5520.265302][ T74] ___sys_sendmsg+0xee/0x170 [ 5520.265302][ T74] __sys_sendmsg+0xcd/0x170 [ 5520.265302][ T74] do_syscall_64+0xc6/0x1e0 [ 5520.265302][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5520.265302][ T74] [ 5520.266891][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5520.266891][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5520.266891][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5520.266891][ T74] ipv6_find_idev+0x102/0x170 [ 5520.266891][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5520.266891][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5520.266891][ T74] netlink_rcv_skb+0x130/0x360 [ 5520.266891][ T74] netlink_unicast+0x449/0x710 [ 5520.266891][ T74] netlink_sendmsg+0x723/0xbe0 [ 5520.266891][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5520.266891][ T74] ___sys_sendmsg+0xee/0x170 [ 5520.266891][ T74] __sys_sendmsg+0xcd/0x170 [ 5520.266891][ T74] do_syscall_64+0xc6/0x1e0 [ 5520.266891][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5520.266891][ T74] [ 5530.511905][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5530.512332][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5530.512332][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5530.512332][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5530.512332][ T74] fib6_nh_init+0xa22/0x1580 [ 5530.512332][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5530.512332][ T74] ip6_route_add+0x1c/0x140 [ 5530.512332][ T74] inet6_rtm_newroute+0x104/0x110 [ 5530.512332][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5530.512332][ T74] netlink_rcv_skb+0x130/0x360 [ 5530.512332][ T74] netlink_unicast+0x449/0x710 [ 5530.512332][ T74] netlink_sendmsg+0x723/0xbe0 [ 5530.512332][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5530.512332][ T74] ___sys_sendmsg+0xee/0x170 [ 5530.512332][ T74] __sys_sendmsg+0xcd/0x170 [ 5530.512332][ T74] do_syscall_64+0xc6/0x1e0 [ 5530.512332][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5530.512332][ T74] [ 5530.514243][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5530.514243][ T74] netdev_get_by_index+0x5e/0x80 [ 5530.514243][ T74] fib6_nh_init+0x3d8/0x1580 [ 5530.514243][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5530.514243][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5530.514243][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5530.514243][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5530.514243][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5530.514243][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5530.514243][ T74] addrconf_dad_begin+0x310/0x670 [ 5530.514243][ T74] addrconf_dad_work+0x10b/0xab0 [ 5530.514243][ T74] process_one_work+0x84d/0x18a0 [ 5530.514243][ T74] worker_thread+0x587/0xd30 [ 5530.514243][ T74] kthread+0x28a/0x350 [ 5530.514243][ T74] ret_from_fork+0x31/0x70 [ 5530.514243][ T74] ret_from_fork_asm+0x1a/0x30 [ 5530.514243][ T74] [ 5530.516180][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5530.516180][ T74] netdev_get_by_index+0x5e/0x80 [ 5530.516180][ T74] fib6_nh_init+0x3d8/0x1580 [ 5530.516180][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5530.516180][ T74] ip6_route_add+0x1c/0x140 [ 5530.516180][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5530.516180][ T74] inet6_addr_add+0x4f8/0xa40 [ 5530.516180][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5530.516180][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5530.516180][ T74] netlink_rcv_skb+0x130/0x360 [ 5530.516180][ T74] netlink_unicast+0x449/0x710 [ 5530.516180][ T74] netlink_sendmsg+0x723/0xbe0 [ 5530.516180][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5530.516180][ T74] ___sys_sendmsg+0xee/0x170 [ 5530.516180][ T74] __sys_sendmsg+0xcd/0x170 [ 5530.516180][ T74] do_syscall_64+0xc6/0x1e0 [ 5530.516180][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5530.516180][ T74] [ 5530.518175][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5530.518175][ T74] netdev_get_by_index+0x5e/0x80 [ 5530.518175][ T74] fib6_nh_init+0x3d8/0x1580 [ 5530.518175][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5530.518175][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5530.518175][ T74] ipv6_add_addr+0x411/0x2000 [ 5530.518175][ T74] inet6_addr_add+0x30e/0xa40 [ 5530.518175][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5530.518175][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5530.518175][ T74] netlink_rcv_skb+0x130/0x360 [ 5530.518175][ T74] netlink_unicast+0x449/0x710 [ 5530.518175][ T74] netlink_sendmsg+0x723/0xbe0 [ 5530.518175][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5530.518175][ T74] ___sys_sendmsg+0xee/0x170 [ 5530.518175][ T74] __sys_sendmsg+0xcd/0x170 [ 5530.518175][ T74] do_syscall_64+0xc6/0x1e0 [ 5530.518175][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5530.518175][ T74] [ 5530.520183][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5530.520183][ T74] netdev_get_by_index+0x5e/0x80 [ 5530.520183][ T74] fib6_nh_init+0x3d8/0x1580 [ 5530.520183][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5530.520183][ T74] ip6_route_add+0x1c/0x140 [ 5530.520183][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5530.520183][ T74] addrconf_add_dev+0xe2/0x170 [ 5530.520183][ T74] inet6_addr_add+0x12f/0xa40 [ 5530.520183][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5530.520183][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5530.520183][ T74] netlink_rcv_skb+0x130/0x360 [ 5530.520183][ T74] netlink_unicast+0x449/0x710 [ 5530.520183][ T74] netlink_sendmsg+0x723/0xbe0 [ 5530.520183][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5530.520183][ T74] ___sys_sendmsg+0xee/0x170 [ 5530.520183][ T74] __sys_sendmsg+0xcd/0x170 [ 5530.520183][ T74] do_syscall_64+0xc6/0x1e0 [ 5530.520183][ T74] [ 5530.522148][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5530.522148][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5530.522148][ T74] ipv6_find_idev+0x102/0x170 [ 5530.522148][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5530.522148][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5530.522148][ T74] netlink_rcv_skb+0x130/0x360 [ 5530.522148][ T74] netlink_unicast+0x449/0x710 [ 5530.522148][ T74] netlink_sendmsg+0x723/0xbe0 [ 5530.522148][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5530.522148][ T74] ___sys_sendmsg+0xee/0x170 [ 5530.522148][ T74] __sys_sendmsg+0xcd/0x170 [ 5530.522148][ T74] do_syscall_64+0xc6/0x1e0 [ 5530.522148][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5530.522148][ T74] [ 5530.523706][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5530.523706][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5530.523706][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5530.523706][ T74] ipv6_find_idev+0x102/0x170 [ 5530.523706][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5530.523706][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5530.523706][ T74] netlink_rcv_skb+0x130/0x360 [ 5530.523706][ T74] netlink_unicast+0x449/0x710 [ 5530.523706][ T74] netlink_sendmsg+0x723/0xbe0 [ 5530.523706][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5530.523706][ T74] ___sys_sendmsg+0xee/0x170 [ 5530.523706][ T74] __sys_sendmsg+0xcd/0x170 [ 5530.523706][ T74] do_syscall_64+0xc6/0x1e0 [ 5530.523706][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5530.523706][ T74] [ 5530.525410][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5530.525692][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5530.525692][ T74] dst_init+0x84/0x4a0 [ 5530.525692][ T74] dst_alloc+0x97/0x150 [ 5530.525692][ T74] ip6_dst_alloc+0x23/0x90 [ 5530.525692][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5530.525692][ T74] ip6_pol_route+0x56f/0x840 [ 5530.525692][ T74] fib6_rule_lookup+0x456/0x630 [ 5530.525692][ T74] ip6_route_input+0x59c/0xa50 [ 5530.525692][ T74] ipv6_rcv+0x397/0x810 [ 5530.525692][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5530.525692][ T74] process_backlog+0x101/0x620 [ 5530.525692][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5530.525692][ T74] net_rx_action+0x495/0xbe0 [ 5530.525692][ T74] __do_softirq+0x1b5/0x7f6 [ 5530.525692][ T74] [ 5530.527330][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5530.527330][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5530.527330][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5530.527330][ T74] fib6_nh_init+0xa22/0x1580 [ 5530.527330][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5530.527330][ T74] ip6_route_add+0x1c/0x140 [ 5530.527330][ T74] inet6_rtm_newroute+0x104/0x110 [ 5530.527330][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5530.527330][ T74] netlink_rcv_skb+0x130/0x360 [ 5530.527330][ T74] netlink_unicast+0x449/0x710 [ 5530.527330][ T74] netlink_sendmsg+0x723/0xbe0 [ 5530.527330][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5530.527330][ T74] ___sys_sendmsg+0xee/0x170 [ 5530.527330][ T74] __sys_sendmsg+0xcd/0x170 [ 5530.527330][ T74] do_syscall_64+0xc6/0x1e0 [ 5530.527330][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5530.527330][ T74] [ 5530.529210][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5530.529210][ T74] netdev_get_by_index+0x5e/0x80 [ 5530.529210][ T74] fib6_nh_init+0x3d8/0x1580 [ 5530.529210][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5530.529210][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5530.529210][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5530.529210][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5530.529210][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5530.529210][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5530.529210][ T74] addrconf_dad_begin+0x310/0x670 [ 5530.529210][ T74] addrconf_dad_work+0x10b/0xab0 [ 5530.529210][ T74] process_one_work+0x84d/0x18a0 [ 5530.529210][ T74] worker_thread+0x587/0xd30 [ 5530.529210][ T74] kthread+0x28a/0x350 [ 5530.529210][ T74] ret_from_fork+0x31/0x70 [ 5530.529210][ T74] ret_from_fork_asm+0x1a/0x30 [ 5530.529210][ T74] [ 5530.531121][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5530.531121][ T74] netdev_get_by_index+0x5e/0x80 [ 5530.531121][ T74] fib6_nh_init+0x3d8/0x1580 [ 5530.531121][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5530.531121][ T74] ip6_route_add+0x1c/0x140 [ 5530.531121][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5530.531121][ T74] inet6_addr_add+0x4f8/0xa40 [ 5530.531121][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5530.531121][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5530.531121][ T74] netlink_rcv_skb+0x130/0x360 [ 5530.531121][ T74] netlink_unicast+0x449/0x710 [ 5530.531121][ T74] netlink_sendmsg+0x723/0xbe0 [ 5530.531121][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5530.531121][ T74] ___sys_sendmsg+0xee/0x170 [ 5530.531121][ T74] __sys_sendmsg+0xcd/0x170 [ 5530.531121][ T74] do_syscall_64+0xc6/0x1e0 [ 5530.531121][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5530.531121][ T74] [ 5530.533124][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5530.533124][ T74] netdev_get_by_index+0x5e/0x80 [ 5530.533124][ T74] fib6_nh_init+0x3d8/0x1580 [ 5530.533124][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5530.533124][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5530.533124][ T74] ipv6_add_addr+0x411/0x2000 [ 5530.533124][ T74] inet6_addr_add+0x30e/0xa40 [ 5530.533124][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5530.533124][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5530.533124][ T74] netlink_rcv_skb+0x130/0x360 [ 5530.533124][ T74] netlink_unicast+0x449/0x710 [ 5530.533124][ T74] netlink_sendmsg+0x723/0xbe0 [ 5530.533124][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5530.533124][ T74] ___sys_sendmsg+0xee/0x170 [ 5530.533124][ T74] __sys_sendmsg+0xcd/0x170 [ 5530.533124][ T74] do_syscall_64+0xc6/0x1e0 [ 5530.533124][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5530.533124][ T74] [ 5530.535128][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5530.535128][ T74] netdev_get_by_index+0x5e/0x80 [ 5530.535128][ T74] fib6_nh_init+0x3d8/0x1580 [ 5530.535128][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5530.535128][ T74] ip6_route_add+0x1c/0x140 [ 5530.535128][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5530.535128][ T74] addrconf_add_dev+0xe2/0x170 [ 5530.535128][ T74] inet6_addr_add+0x12f/0xa40 [ 5530.535128][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5530.535128][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5530.535128][ T74] netlink_rcv_skb+0x130/0x360 [ 5530.535128][ T74] netlink_unicast+0x449/0x710 [ 5530.535128][ T74] netlink_sendmsg+0x723/0xbe0 [ 5530.535128][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5530.535128][ T74] ___sys_sendmsg+0xee/0x170 [ 5530.535128][ T74] __sys_sendmsg+0xcd/0x170 [ 5530.535128][ T74] do_syscall_64+0xc6/0x1e0 [ 5530.535128][ T74] [ 5530.537090][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5530.537090][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5530.537090][ T74] ipv6_find_idev+0x102/0x170 [ 5530.537090][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5530.537090][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5530.537090][ T74] netlink_rcv_skb+0x130/0x360 [ 5530.537090][ T74] netlink_unicast+0x449/0x710 [ 5530.537090][ T74] netlink_sendmsg+0x723/0xbe0 [ 5530.537090][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5530.537090][ T74] ___sys_sendmsg+0xee/0x170 [ 5530.537090][ T74] __sys_sendmsg+0xcd/0x170 [ 5530.537090][ T74] do_syscall_64+0xc6/0x1e0 [ 5530.537090][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5530.537090][ T74] [ 5530.538744][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5530.538744][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5530.538744][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5530.538744][ T74] ipv6_find_idev+0x102/0x170 [ 5530.538744][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5530.538744][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5530.538744][ T74] netlink_rcv_skb+0x130/0x360 [ 5530.538744][ T74] netlink_unicast+0x449/0x710 [ 5530.538744][ T74] netlink_sendmsg+0x723/0xbe0 [ 5530.538744][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5530.538744][ T74] ___sys_sendmsg+0xee/0x170 [ 5530.538744][ T74] __sys_sendmsg+0xcd/0x170 [ 5530.538744][ T74] do_syscall_64+0xc6/0x1e0 [ 5530.538744][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5530.538744][ T74] [ 5530.540729][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5530.540984][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5530.540984][ T74] netdev_get_by_index+0x5e/0x80 [ 5530.540984][ T74] fib6_nh_init+0x3d8/0x1580 [ 5530.540984][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5530.540984][ T74] ip6_route_add+0x1c/0x140 [ 5530.540984][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5530.540984][ T74] inet6_addr_add+0x4f8/0xa40 [ 5530.540984][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5530.540984][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5530.540984][ T74] netlink_rcv_skb+0x130/0x360 [ 5530.540984][ T74] netlink_unicast+0x449/0x710 [ 5530.540984][ T74] netlink_sendmsg+0x723/0xbe0 [ 5530.540984][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5530.540984][ T74] ___sys_sendmsg+0xee/0x170 [ 5530.540984][ T74] __sys_sendmsg+0xcd/0x170 [ 5530.540984][ T74] do_syscall_64+0xc6/0x1e0 [ 5530.540984][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5530.540984][ T74] [ 5530.543249][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5530.543249][ T74] netdev_get_by_index+0x5e/0x80 [ 5530.543249][ T74] fib6_nh_init+0x3d8/0x1580 [ 5530.543249][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5530.543249][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5530.543249][ T74] ipv6_add_addr+0x411/0x2000 [ 5530.543249][ T74] inet6_addr_add+0x30e/0xa40 [ 5530.543249][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5530.543249][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5530.543249][ T74] netlink_rcv_skb+0x130/0x360 [ 5530.543249][ T74] netlink_unicast+0x449/0x710 [ 5530.543249][ T74] netlink_sendmsg+0x723/0xbe0 [ 5530.543249][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5530.543249][ T74] ___sys_sendmsg+0xee/0x170 [ 5530.543249][ T74] __sys_sendmsg+0xcd/0x170 [ 5530.543249][ T74] do_syscall_64+0xc6/0x1e0 [ 5530.543249][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5530.543249][ T74] [ 5530.545473][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5530.545473][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5530.545473][ T74] ipv6_find_idev+0x102/0x170 [ 5530.545473][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5530.545473][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5530.545473][ T74] netlink_rcv_skb+0x130/0x360 [ 5530.545473][ T74] netlink_unicast+0x449/0x710 [ 5530.545473][ T74] netlink_sendmsg+0x723/0xbe0 [ 5530.545473][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5530.545473][ T74] ___sys_sendmsg+0xee/0x170 [ 5530.545473][ T74] __sys_sendmsg+0xcd/0x170 [ 5530.545473][ T74] do_syscall_64+0xc6/0x1e0 [ 5530.545473][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5530.545473][ T74] [ 5530.547148][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5530.547148][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5530.547148][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5530.547148][ T74] ipv6_find_idev+0x102/0x170 [ 5530.547148][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5530.547148][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5530.547148][ T74] netlink_rcv_skb+0x130/0x360 [ 5530.547148][ T74] netlink_unicast+0x449/0x710 [ 5530.547148][ T74] netlink_sendmsg+0x723/0xbe0 [ 5530.547148][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5530.547148][ T74] ___sys_sendmsg+0xee/0x170 [ 5530.547148][ T74] __sys_sendmsg+0xcd/0x170 [ 5530.547148][ T74] do_syscall_64+0xc6/0x1e0 [ 5530.547148][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5530.547148][ T74] [ 5540.791883][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5540.792319][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5540.792319][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5540.792319][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5540.792319][ T74] fib6_nh_init+0xa22/0x1580 [ 5540.792319][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5540.792319][ T74] ip6_route_add+0x1c/0x140 [ 5540.792319][ T74] inet6_rtm_newroute+0x104/0x110 [ 5540.792319][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5540.792319][ T74] netlink_rcv_skb+0x130/0x360 [ 5540.792319][ T74] netlink_unicast+0x449/0x710 [ 5540.792319][ T74] netlink_sendmsg+0x723/0xbe0 [ 5540.792319][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5540.792319][ T74] ___sys_sendmsg+0xee/0x170 [ 5540.792319][ T74] __sys_sendmsg+0xcd/0x170 [ 5540.792319][ T74] do_syscall_64+0xc6/0x1e0 [ 5540.792319][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5540.792319][ T74] [ 5540.794224][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5540.794224][ T74] netdev_get_by_index+0x5e/0x80 [ 5540.794224][ T74] fib6_nh_init+0x3d8/0x1580 [ 5540.794224][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5540.794224][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5540.794224][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5540.794224][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5540.794224][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5540.794224][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5540.794224][ T74] addrconf_dad_begin+0x310/0x670 [ 5540.794224][ T74] addrconf_dad_work+0x10b/0xab0 [ 5540.794224][ T74] process_one_work+0x84d/0x18a0 [ 5540.794224][ T74] worker_thread+0x587/0xd30 [ 5540.794224][ T74] kthread+0x28a/0x350 [ 5540.794224][ T74] ret_from_fork+0x31/0x70 [ 5540.794224][ T74] ret_from_fork_asm+0x1a/0x30 [ 5540.794224][ T74] [ 5540.796145][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5540.796145][ T74] netdev_get_by_index+0x5e/0x80 [ 5540.796145][ T74] fib6_nh_init+0x3d8/0x1580 [ 5540.796145][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5540.796145][ T74] ip6_route_add+0x1c/0x140 [ 5540.796145][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5540.796145][ T74] inet6_addr_add+0x4f8/0xa40 [ 5540.796145][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5540.796145][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5540.796145][ T74] netlink_rcv_skb+0x130/0x360 [ 5540.796145][ T74] netlink_unicast+0x449/0x710 [ 5540.796145][ T74] netlink_sendmsg+0x723/0xbe0 [ 5540.796145][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5540.796145][ T74] ___sys_sendmsg+0xee/0x170 [ 5540.796145][ T74] __sys_sendmsg+0xcd/0x170 [ 5540.796145][ T74] do_syscall_64+0xc6/0x1e0 [ 5540.796145][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5540.796145][ T74] [ 5540.798142][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5540.798142][ T74] netdev_get_by_index+0x5e/0x80 [ 5540.798142][ T74] fib6_nh_init+0x3d8/0x1580 [ 5540.798142][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5540.798142][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5540.798142][ T74] ipv6_add_addr+0x411/0x2000 [ 5540.798142][ T74] inet6_addr_add+0x30e/0xa40 [ 5540.798142][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5540.798142][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5540.798142][ T74] netlink_rcv_skb+0x130/0x360 [ 5540.798142][ T74] netlink_unicast+0x449/0x710 [ 5540.798142][ T74] netlink_sendmsg+0x723/0xbe0 [ 5540.798142][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5540.798142][ T74] ___sys_sendmsg+0xee/0x170 [ 5540.798142][ T74] __sys_sendmsg+0xcd/0x170 [ 5540.798142][ T74] do_syscall_64+0xc6/0x1e0 [ 5540.798142][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5540.798142][ T74] [ 5540.800142][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5540.800142][ T74] netdev_get_by_index+0x5e/0x80 [ 5540.800142][ T74] fib6_nh_init+0x3d8/0x1580 [ 5540.800142][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5540.800142][ T74] ip6_route_add+0x1c/0x140 [ 5540.800142][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5540.800142][ T74] addrconf_add_dev+0xe2/0x170 [ 5540.800142][ T74] inet6_addr_add+0x12f/0xa40 [ 5540.800142][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5540.800142][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5540.800142][ T74] netlink_rcv_skb+0x130/0x360 [ 5540.800142][ T74] netlink_unicast+0x449/0x710 [ 5540.800142][ T74] netlink_sendmsg+0x723/0xbe0 [ 5540.800142][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5540.800142][ T74] ___sys_sendmsg+0xee/0x170 [ 5540.800142][ T74] __sys_sendmsg+0xcd/0x170 [ 5540.800142][ T74] do_syscall_64+0xc6/0x1e0 [ 5540.800142][ T74] [ 5540.802111][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5540.802111][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5540.802111][ T74] ipv6_find_idev+0x102/0x170 [ 5540.802111][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5540.802111][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5540.802111][ T74] netlink_rcv_skb+0x130/0x360 [ 5540.802111][ T74] netlink_unicast+0x449/0x710 [ 5540.802111][ T74] netlink_sendmsg+0x723/0xbe0 [ 5540.802111][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5540.802111][ T74] ___sys_sendmsg+0xee/0x170 [ 5540.802111][ T74] __sys_sendmsg+0xcd/0x170 [ 5540.802111][ T74] do_syscall_64+0xc6/0x1e0 [ 5540.802111][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5540.802111][ T74] [ 5540.803660][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5540.803660][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5540.803660][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5540.803660][ T74] ipv6_find_idev+0x102/0x170 [ 5540.803660][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5540.803660][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5540.803660][ T74] netlink_rcv_skb+0x130/0x360 [ 5540.803660][ T74] netlink_unicast+0x449/0x710 [ 5540.803660][ T74] netlink_sendmsg+0x723/0xbe0 [ 5540.803660][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5540.803660][ T74] ___sys_sendmsg+0xee/0x170 [ 5540.803660][ T74] __sys_sendmsg+0xcd/0x170 [ 5540.803660][ T74] do_syscall_64+0xc6/0x1e0 [ 5540.803660][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5540.803660][ T74] [ 5540.805349][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5540.805629][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5540.805629][ T74] dst_init+0x84/0x4a0 [ 5540.805629][ T74] dst_alloc+0x97/0x150 [ 5540.805629][ T74] ip6_dst_alloc+0x23/0x90 [ 5540.805629][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5540.805629][ T74] ip6_pol_route+0x56f/0x840 [ 5540.805629][ T74] fib6_rule_lookup+0x456/0x630 [ 5540.805629][ T74] ip6_route_input+0x59c/0xa50 [ 5540.805629][ T74] ipv6_rcv+0x397/0x810 [ 5540.805629][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5540.805629][ T74] process_backlog+0x101/0x620 [ 5540.805629][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5540.805629][ T74] net_rx_action+0x495/0xbe0 [ 5540.805629][ T74] __do_softirq+0x1b5/0x7f6 [ 5540.805629][ T74] [ 5540.807268][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5540.807268][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5540.807268][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5540.807268][ T74] fib6_nh_init+0xa22/0x1580 [ 5540.807268][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5540.807268][ T74] ip6_route_add+0x1c/0x140 [ 5540.807268][ T74] inet6_rtm_newroute+0x104/0x110 [ 5540.807268][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5540.807268][ T74] netlink_rcv_skb+0x130/0x360 [ 5540.807268][ T74] netlink_unicast+0x449/0x710 [ 5540.807268][ T74] netlink_sendmsg+0x723/0xbe0 [ 5540.807268][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5540.807268][ T74] ___sys_sendmsg+0xee/0x170 [ 5540.807268][ T74] __sys_sendmsg+0xcd/0x170 [ 5540.807268][ T74] do_syscall_64+0xc6/0x1e0 [ 5540.807268][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5540.807268][ T74] [ 5540.809154][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5540.809154][ T74] netdev_get_by_index+0x5e/0x80 [ 5540.809154][ T74] fib6_nh_init+0x3d8/0x1580 [ 5540.809154][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5540.809154][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5540.809154][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5540.809154][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5540.809154][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5540.809154][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5540.809154][ T74] addrconf_dad_begin+0x310/0x670 [ 5540.809154][ T74] addrconf_dad_work+0x10b/0xab0 [ 5540.809154][ T74] process_one_work+0x84d/0x18a0 [ 5540.809154][ T74] worker_thread+0x587/0xd30 [ 5540.809154][ T74] kthread+0x28a/0x350 [ 5540.809154][ T74] ret_from_fork+0x31/0x70 [ 5540.809154][ T74] ret_from_fork_asm+0x1a/0x30 [ 5540.809154][ T74] [ 5540.811104][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5540.811104][ T74] netdev_get_by_index+0x5e/0x80 [ 5540.811104][ T74] fib6_nh_init+0x3d8/0x1580 [ 5540.811104][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5540.811104][ T74] ip6_route_add+0x1c/0x140 [ 5540.811104][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5540.811104][ T74] inet6_addr_add+0x4f8/0xa40 [ 5540.811104][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5540.811104][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5540.811104][ T74] netlink_rcv_skb+0x130/0x360 [ 5540.811104][ T74] netlink_unicast+0x449/0x710 [ 5540.811104][ T74] netlink_sendmsg+0x723/0xbe0 [ 5540.811104][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5540.811104][ T74] ___sys_sendmsg+0xee/0x170 [ 5540.811104][ T74] __sys_sendmsg+0xcd/0x170 [ 5540.811104][ T74] do_syscall_64+0xc6/0x1e0 [ 5540.811104][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5540.811104][ T74] [ 5540.813117][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5540.813117][ T74] netdev_get_by_index+0x5e/0x80 [ 5540.813117][ T74] fib6_nh_init+0x3d8/0x1580 [ 5540.813117][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5540.813117][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5540.813117][ T74] ipv6_add_addr+0x411/0x2000 [ 5540.813117][ T74] inet6_addr_add+0x30e/0xa40 [ 5540.813117][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5540.813117][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5540.813117][ T74] netlink_rcv_skb+0x130/0x360 [ 5540.813117][ T74] netlink_unicast+0x449/0x710 [ 5540.813117][ T74] netlink_sendmsg+0x723/0xbe0 [ 5540.813117][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5540.813117][ T74] ___sys_sendmsg+0xee/0x170 [ 5540.813117][ T74] __sys_sendmsg+0xcd/0x170 [ 5540.813117][ T74] do_syscall_64+0xc6/0x1e0 [ 5540.813117][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5540.813117][ T74] [ 5540.815121][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5540.815121][ T74] netdev_get_by_index+0x5e/0x80 [ 5540.815121][ T74] fib6_nh_init+0x3d8/0x1580 [ 5540.815121][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5540.815121][ T74] ip6_route_add+0x1c/0x140 [ 5540.815121][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5540.815121][ T74] addrconf_add_dev+0xe2/0x170 [ 5540.815121][ T74] inet6_addr_add+0x12f/0xa40 [ 5540.815121][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5540.815121][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5540.815121][ T74] netlink_rcv_skb+0x130/0x360 [ 5540.815121][ T74] netlink_unicast+0x449/0x710 [ 5540.815121][ T74] netlink_sendmsg+0x723/0xbe0 [ 5540.815121][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5540.815121][ T74] ___sys_sendmsg+0xee/0x170 [ 5540.815121][ T74] __sys_sendmsg+0xcd/0x170 [ 5540.815121][ T74] do_syscall_64+0xc6/0x1e0 [ 5540.815121][ T74] [ 5540.817088][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5540.817088][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5540.817088][ T74] ipv6_find_idev+0x102/0x170 [ 5540.817088][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5540.817088][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5540.817088][ T74] netlink_rcv_skb+0x130/0x360 [ 5540.817088][ T74] netlink_unicast+0x449/0x710 [ 5540.817088][ T74] netlink_sendmsg+0x723/0xbe0 [ 5540.817088][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5540.817088][ T74] ___sys_sendmsg+0xee/0x170 [ 5540.817088][ T74] __sys_sendmsg+0xcd/0x170 [ 5540.817088][ T74] do_syscall_64+0xc6/0x1e0 [ 5540.817088][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5540.817088][ T74] [ 5540.818755][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5540.818755][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5540.818755][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5540.818755][ T74] ipv6_find_idev+0x102/0x170 [ 5540.818755][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5540.818755][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5540.818755][ T74] netlink_rcv_skb+0x130/0x360 [ 5540.818755][ T74] netlink_unicast+0x449/0x710 [ 5540.818755][ T74] netlink_sendmsg+0x723/0xbe0 [ 5540.818755][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5540.818755][ T74] ___sys_sendmsg+0xee/0x170 [ 5540.818755][ T74] __sys_sendmsg+0xcd/0x170 [ 5540.818755][ T74] do_syscall_64+0xc6/0x1e0 [ 5540.818755][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5540.818755][ T74] [ 5540.820749][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5540.821004][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5540.821004][ T74] netdev_get_by_index+0x5e/0x80 [ 5540.821004][ T74] fib6_nh_init+0x3d8/0x1580 [ 5540.821004][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5540.821004][ T74] ip6_route_add+0x1c/0x140 [ 5540.821004][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5540.821004][ T74] inet6_addr_add+0x4f8/0xa40 [ 5540.821004][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5540.821004][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5540.821004][ T74] netlink_rcv_skb+0x130/0x360 [ 5540.821004][ T74] netlink_unicast+0x449/0x710 [ 5540.821004][ T74] netlink_sendmsg+0x723/0xbe0 [ 5540.821004][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5540.821004][ T74] ___sys_sendmsg+0xee/0x170 [ 5540.821004][ T74] __sys_sendmsg+0xcd/0x170 [ 5540.821004][ T74] do_syscall_64+0xc6/0x1e0 [ 5540.821004][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5540.821004][ T74] [ 5540.823260][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5540.823260][ T74] netdev_get_by_index+0x5e/0x80 [ 5540.823260][ T74] fib6_nh_init+0x3d8/0x1580 [ 5540.823260][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5540.823260][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5540.823260][ T74] ipv6_add_addr+0x411/0x2000 [ 5540.823260][ T74] inet6_addr_add+0x30e/0xa40 [ 5540.823260][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5540.823260][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5540.823260][ T74] netlink_rcv_skb+0x130/0x360 [ 5540.823260][ T74] netlink_unicast+0x449/0x710 [ 5540.823260][ T74] netlink_sendmsg+0x723/0xbe0 [ 5540.823260][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5540.823260][ T74] ___sys_sendmsg+0xee/0x170 [ 5540.823260][ T74] __sys_sendmsg+0xcd/0x170 [ 5540.823260][ T74] do_syscall_64+0xc6/0x1e0 [ 5540.823260][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5540.823260][ T74] [ 5540.825508][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5540.825508][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5540.825508][ T74] ipv6_find_idev+0x102/0x170 [ 5540.825508][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5540.825508][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5540.825508][ T74] netlink_rcv_skb+0x130/0x360 [ 5540.825508][ T74] netlink_unicast+0x449/0x710 [ 5540.825508][ T74] netlink_sendmsg+0x723/0xbe0 [ 5540.825508][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5540.825508][ T74] ___sys_sendmsg+0xee/0x170 [ 5540.825508][ T74] __sys_sendmsg+0xcd/0x170 [ 5540.825508][ T74] do_syscall_64+0xc6/0x1e0 [ 5540.825508][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5540.825508][ T74] [ 5540.827175][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5540.827175][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5540.827175][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5540.827175][ T74] ipv6_find_idev+0x102/0x170 [ 5540.827175][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5540.827175][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5540.827175][ T74] netlink_rcv_skb+0x130/0x360 [ 5540.827175][ T74] netlink_unicast+0x449/0x710 [ 5540.827175][ T74] netlink_sendmsg+0x723/0xbe0 [ 5540.827175][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5540.827175][ T74] ___sys_sendmsg+0xee/0x170 [ 5540.827175][ T74] __sys_sendmsg+0xcd/0x170 [ 5540.827175][ T74] do_syscall_64+0xc6/0x1e0 [ 5540.827175][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5540.827175][ T74] [ 5551.071916][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5551.072351][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5551.072351][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5551.072351][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5551.072351][ T74] fib6_nh_init+0xa22/0x1580 [ 5551.072351][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5551.072351][ T74] ip6_route_add+0x1c/0x140 [ 5551.072351][ T74] inet6_rtm_newroute+0x104/0x110 [ 5551.072351][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5551.072351][ T74] netlink_rcv_skb+0x130/0x360 [ 5551.072351][ T74] netlink_unicast+0x449/0x710 [ 5551.072351][ T74] netlink_sendmsg+0x723/0xbe0 [ 5551.072351][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5551.072351][ T74] ___sys_sendmsg+0xee/0x170 [ 5551.072351][ T74] __sys_sendmsg+0xcd/0x170 [ 5551.072351][ T74] do_syscall_64+0xc6/0x1e0 [ 5551.072351][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5551.072351][ T74] [ 5551.074292][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5551.074292][ T74] netdev_get_by_index+0x5e/0x80 [ 5551.074292][ T74] fib6_nh_init+0x3d8/0x1580 [ 5551.074292][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5551.074292][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5551.074292][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5551.074292][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5551.074292][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5551.074292][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5551.074292][ T74] addrconf_dad_begin+0x310/0x670 [ 5551.074292][ T74] addrconf_dad_work+0x10b/0xab0 [ 5551.074292][ T74] process_one_work+0x84d/0x18a0 [ 5551.074292][ T74] worker_thread+0x587/0xd30 [ 5551.074292][ T74] kthread+0x28a/0x350 [ 5551.074292][ T74] ret_from_fork+0x31/0x70 [ 5551.074292][ T74] ret_from_fork_asm+0x1a/0x30 [ 5551.074292][ T74] [ 5551.076765][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5551.076765][ T74] netdev_get_by_index+0x5e/0x80 [ 5551.076765][ T74] fib6_nh_init+0x3d8/0x1580 [ 5551.076765][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5551.076765][ T74] ip6_route_add+0x1c/0x140 [ 5551.076765][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5551.076765][ T74] inet6_addr_add+0x4f8/0xa40 [ 5551.076765][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5551.076765][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5551.076765][ T74] netlink_rcv_skb+0x130/0x360 [ 5551.076765][ T74] netlink_unicast+0x449/0x710 [ 5551.076765][ T74] netlink_sendmsg+0x723/0xbe0 [ 5551.076765][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5551.076765][ T74] ___sys_sendmsg+0xee/0x170 [ 5551.076765][ T74] __sys_sendmsg+0xcd/0x170 [ 5551.076765][ T74] do_syscall_64+0xc6/0x1e0 [ 5551.076765][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5551.076765][ T74] [ 5551.078780][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5551.078780][ T74] netdev_get_by_index+0x5e/0x80 [ 5551.078780][ T74] fib6_nh_init+0x3d8/0x1580 [ 5551.078780][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5551.078780][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5551.078780][ T74] ipv6_add_addr+0x411/0x2000 [ 5551.078780][ T74] inet6_addr_add+0x30e/0xa40 [ 5551.078780][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5551.078780][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5551.078780][ T74] netlink_rcv_skb+0x130/0x360 [ 5551.078780][ T74] netlink_unicast+0x449/0x710 [ 5551.078780][ T74] netlink_sendmsg+0x723/0xbe0 [ 5551.078780][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5551.078780][ T74] ___sys_sendmsg+0xee/0x170 [ 5551.078780][ T74] __sys_sendmsg+0xcd/0x170 [ 5551.078780][ T74] do_syscall_64+0xc6/0x1e0 [ 5551.078780][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5551.078780][ T74] [ 5551.080784][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5551.080784][ T74] netdev_get_by_index+0x5e/0x80 [ 5551.080784][ T74] fib6_nh_init+0x3d8/0x1580 [ 5551.080784][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5551.080784][ T74] ip6_route_add+0x1c/0x140 [ 5551.080784][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5551.080784][ T74] addrconf_add_dev+0xe2/0x170 [ 5551.080784][ T74] inet6_addr_add+0x12f/0xa40 [ 5551.080784][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5551.080784][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5551.080784][ T74] netlink_rcv_skb+0x130/0x360 [ 5551.080784][ T74] netlink_unicast+0x449/0x710 [ 5551.080784][ T74] netlink_sendmsg+0x723/0xbe0 [ 5551.080784][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5551.080784][ T74] ___sys_sendmsg+0xee/0x170 [ 5551.080784][ T74] __sys_sendmsg+0xcd/0x170 [ 5551.080784][ T74] do_syscall_64+0xc6/0x1e0 [ 5551.080784][ T74] [ 5551.082789][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5551.082789][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5551.082789][ T74] ipv6_find_idev+0x102/0x170 [ 5551.082789][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5551.082789][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5551.082789][ T74] netlink_rcv_skb+0x130/0x360 [ 5551.082789][ T74] netlink_unicast+0x449/0x710 [ 5551.082789][ T74] netlink_sendmsg+0x723/0xbe0 [ 5551.082789][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5551.082789][ T74] ___sys_sendmsg+0xee/0x170 [ 5551.082789][ T74] __sys_sendmsg+0xcd/0x170 [ 5551.082789][ T74] do_syscall_64+0xc6/0x1e0 [ 5551.082789][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5551.082789][ T74] [ 5551.084337][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5551.084337][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5551.084337][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5551.084337][ T74] ipv6_find_idev+0x102/0x170 [ 5551.084337][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5551.084337][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5551.084337][ T74] netlink_rcv_skb+0x130/0x360 [ 5551.084337][ T74] netlink_unicast+0x449/0x710 [ 5551.084337][ T74] netlink_sendmsg+0x723/0xbe0 [ 5551.084337][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5551.084337][ T74] ___sys_sendmsg+0xee/0x170 [ 5551.084337][ T74] __sys_sendmsg+0xcd/0x170 [ 5551.084337][ T74] do_syscall_64+0xc6/0x1e0 [ 5551.084337][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5551.084337][ T74] [ 5551.086023][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5551.086295][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5551.086295][ T74] dst_init+0x84/0x4a0 [ 5551.086295][ T74] dst_alloc+0x97/0x150 [ 5551.086295][ T74] ip6_dst_alloc+0x23/0x90 [ 5551.086295][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5551.086295][ T74] ip6_pol_route+0x56f/0x840 [ 5551.086295][ T74] fib6_rule_lookup+0x456/0x630 [ 5551.086295][ T74] ip6_route_input+0x59c/0xa50 [ 5551.086295][ T74] ipv6_rcv+0x397/0x810 [ 5551.086295][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5551.086295][ T74] process_backlog+0x101/0x620 [ 5551.086295][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5551.086295][ T74] net_rx_action+0x495/0xbe0 [ 5551.086295][ T74] __do_softirq+0x1b5/0x7f6 [ 5551.086295][ T74] [ 5551.087931][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5551.087931][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5551.087931][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5551.087931][ T74] fib6_nh_init+0xa22/0x1580 [ 5551.087931][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5551.087931][ T74] ip6_route_add+0x1c/0x140 [ 5551.087931][ T74] inet6_rtm_newroute+0x104/0x110 [ 5551.087931][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5551.087931][ T74] netlink_rcv_skb+0x130/0x360 [ 5551.087931][ T74] netlink_unicast+0x449/0x710 [ 5551.087931][ T74] netlink_sendmsg+0x723/0xbe0 [ 5551.087931][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5551.087931][ T74] ___sys_sendmsg+0xee/0x170 [ 5551.087931][ T74] __sys_sendmsg+0xcd/0x170 [ 5551.087931][ T74] do_syscall_64+0xc6/0x1e0 [ 5551.087931][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5551.087931][ T74] [ 5551.089810][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5551.089810][ T74] netdev_get_by_index+0x5e/0x80 [ 5551.089810][ T74] fib6_nh_init+0x3d8/0x1580 [ 5551.089810][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5551.089810][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5551.089810][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5551.089810][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5551.089810][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5551.089810][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5551.089810][ T74] addrconf_dad_begin+0x310/0x670 [ 5551.089810][ T74] addrconf_dad_work+0x10b/0xab0 [ 5551.089810][ T74] process_one_work+0x84d/0x18a0 [ 5551.089810][ T74] worker_thread+0x587/0xd30 [ 5551.089810][ T74] kthread+0x28a/0x350 [ 5551.089810][ T74] ret_from_fork+0x31/0x70 [ 5551.089810][ T74] ret_from_fork_asm+0x1a/0x30 [ 5551.089810][ T74] [ 5551.091711][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5551.091711][ T74] netdev_get_by_index+0x5e/0x80 [ 5551.091711][ T74] fib6_nh_init+0x3d8/0x1580 [ 5551.091711][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5551.091711][ T74] ip6_route_add+0x1c/0x140 [ 5551.091711][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5551.091711][ T74] inet6_addr_add+0x4f8/0xa40 [ 5551.091711][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5551.091711][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5551.091711][ T74] netlink_rcv_skb+0x130/0x360 [ 5551.091711][ T74] netlink_unicast+0x449/0x710 [ 5551.091711][ T74] netlink_sendmsg+0x723/0xbe0 [ 5551.091711][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5551.091711][ T74] ___sys_sendmsg+0xee/0x170 [ 5551.091711][ T74] __sys_sendmsg+0xcd/0x170 [ 5551.091711][ T74] do_syscall_64+0xc6/0x1e0 [ 5551.091711][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5551.091711][ T74] [ 5551.093714][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5551.093714][ T74] netdev_get_by_index+0x5e/0x80 [ 5551.093714][ T74] fib6_nh_init+0x3d8/0x1580 [ 5551.093714][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5551.093714][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5551.093714][ T74] ipv6_add_addr+0x411/0x2000 [ 5551.093714][ T74] inet6_addr_add+0x30e/0xa40 [ 5551.093714][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5551.093714][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5551.093714][ T74] netlink_rcv_skb+0x130/0x360 [ 5551.093714][ T74] netlink_unicast+0x449/0x710 [ 5551.093714][ T74] netlink_sendmsg+0x723/0xbe0 [ 5551.093714][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5551.093714][ T74] ___sys_sendmsg+0xee/0x170 [ 5551.093714][ T74] __sys_sendmsg+0xcd/0x170 [ 5551.093714][ T74] do_syscall_64+0xc6/0x1e0 [ 5551.093714][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5551.093714][ T74] [ 5551.095711][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5551.095711][ T74] netdev_get_by_index+0x5e/0x80 [ 5551.095711][ T74] fib6_nh_init+0x3d8/0x1580 [ 5551.095711][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5551.095711][ T74] ip6_route_add+0x1c/0x140 [ 5551.095711][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5551.095711][ T74] addrconf_add_dev+0xe2/0x170 [ 5551.095711][ T74] inet6_addr_add+0x12f/0xa40 [ 5551.095711][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5551.095711][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5551.095711][ T74] netlink_rcv_skb+0x130/0x360 [ 5551.095711][ T74] netlink_unicast+0x449/0x710 [ 5551.095711][ T74] netlink_sendmsg+0x723/0xbe0 [ 5551.095711][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5551.095711][ T74] ___sys_sendmsg+0xee/0x170 [ 5551.095711][ T74] __sys_sendmsg+0xcd/0x170 [ 5551.095711][ T74] do_syscall_64+0xc6/0x1e0 [ 5551.095711][ T74] [ 5551.097688][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5551.097688][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5551.097688][ T74] ipv6_find_idev+0x102/0x170 [ 5551.097688][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5551.097688][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5551.097688][ T74] netlink_rcv_skb+0x130/0x360 [ 5551.097688][ T74] netlink_unicast+0x449/0x710 [ 5551.097688][ T74] netlink_sendmsg+0x723/0xbe0 [ 5551.097688][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5551.097688][ T74] ___sys_sendmsg+0xee/0x170 [ 5551.097688][ T74] __sys_sendmsg+0xcd/0x170 [ 5551.097688][ T74] do_syscall_64+0xc6/0x1e0 [ 5551.097688][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5551.097688][ T74] [ 5551.099388][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5551.099388][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5551.099388][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5551.099388][ T74] ipv6_find_idev+0x102/0x170 [ 5551.099388][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5551.099388][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5551.099388][ T74] netlink_rcv_skb+0x130/0x360 [ 5551.099388][ T74] netlink_unicast+0x449/0x710 [ 5551.099388][ T74] netlink_sendmsg+0x723/0xbe0 [ 5551.099388][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5551.099388][ T74] ___sys_sendmsg+0xee/0x170 [ 5551.099388][ T74] __sys_sendmsg+0xcd/0x170 [ 5551.099388][ T74] do_syscall_64+0xc6/0x1e0 [ 5551.099388][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5551.099388][ T74] [ 5551.101377][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5551.101616][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5551.101616][ T74] netdev_get_by_index+0x5e/0x80 [ 5551.101616][ T74] fib6_nh_init+0x3d8/0x1580 [ 5551.101616][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5551.101616][ T74] ip6_route_add+0x1c/0x140 [ 5551.101616][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5551.101616][ T74] inet6_addr_add+0x4f8/0xa40 [ 5551.101616][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5551.101616][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5551.101616][ T74] netlink_rcv_skb+0x130/0x360 [ 5551.101616][ T74] netlink_unicast+0x449/0x710 [ 5551.101616][ T74] netlink_sendmsg+0x723/0xbe0 [ 5551.101616][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5551.101616][ T74] ___sys_sendmsg+0xee/0x170 [ 5551.101616][ T74] __sys_sendmsg+0xcd/0x170 [ 5551.101616][ T74] do_syscall_64+0xc6/0x1e0 [ 5551.101616][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5551.101616][ T74] [ 5551.103884][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5551.103884][ T74] netdev_get_by_index+0x5e/0x80 [ 5551.103884][ T74] fib6_nh_init+0x3d8/0x1580 [ 5551.103884][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5551.103884][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5551.103884][ T74] ipv6_add_addr+0x411/0x2000 [ 5551.103884][ T74] inet6_addr_add+0x30e/0xa40 [ 5551.103884][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5551.103884][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5551.103884][ T74] netlink_rcv_skb+0x130/0x360 [ 5551.103884][ T74] netlink_unicast+0x449/0x710 [ 5551.103884][ T74] netlink_sendmsg+0x723/0xbe0 [ 5551.103884][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5551.103884][ T74] ___sys_sendmsg+0xee/0x170 [ 5551.103884][ T74] __sys_sendmsg+0xcd/0x170 [ 5551.103884][ T74] do_syscall_64+0xc6/0x1e0 [ 5551.103884][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5551.103884][ T74] [ 5551.106118][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5551.106118][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5551.106118][ T74] ipv6_find_idev+0x102/0x170 [ 5551.106118][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5551.106118][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5551.106118][ T74] netlink_rcv_skb+0x130/0x360 [ 5551.106118][ T74] netlink_unicast+0x449/0x710 [ 5551.106118][ T74] netlink_sendmsg+0x723/0xbe0 [ 5551.106118][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5551.106118][ T74] ___sys_sendmsg+0xee/0x170 [ 5551.106118][ T74] __sys_sendmsg+0xcd/0x170 [ 5551.106118][ T74] do_syscall_64+0xc6/0x1e0 [ 5551.106118][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5551.106118][ T74] [ 5551.107783][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5551.107783][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5551.107783][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5551.107783][ T74] ipv6_find_idev+0x102/0x170 [ 5551.107783][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5551.107783][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5551.107783][ T74] netlink_rcv_skb+0x130/0x360 [ 5551.107783][ T74] netlink_unicast+0x449/0x710 [ 5551.107783][ T74] netlink_sendmsg+0x723/0xbe0 [ 5551.107783][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5551.107783][ T74] ___sys_sendmsg+0xee/0x170 [ 5551.107783][ T74] __sys_sendmsg+0xcd/0x170 [ 5551.107783][ T74] do_syscall_64+0xc6/0x1e0 [ 5551.107783][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5551.107783][ T74] [ 5561.263966][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5561.264399][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5561.264399][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5561.264399][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5561.264399][ T74] fib6_nh_init+0xa22/0x1580 [ 5561.264399][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5561.264399][ T74] ip6_route_add+0x1c/0x140 [ 5561.264399][ T74] inet6_rtm_newroute+0x104/0x110 [ 5561.264399][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5561.264399][ T74] netlink_rcv_skb+0x130/0x360 [ 5561.264399][ T74] netlink_unicast+0x449/0x710 [ 5561.264399][ T74] netlink_sendmsg+0x723/0xbe0 [ 5561.264399][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5561.264399][ T74] ___sys_sendmsg+0xee/0x170 [ 5561.264399][ T74] __sys_sendmsg+0xcd/0x170 [ 5561.264399][ T74] do_syscall_64+0xc6/0x1e0 [ 5561.264399][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5561.264399][ T74] [ 5561.266291][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5561.266291][ T74] netdev_get_by_index+0x5e/0x80 [ 5561.266291][ T74] fib6_nh_init+0x3d8/0x1580 [ 5561.266291][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5561.266291][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5561.266291][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5561.266291][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5561.266291][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5561.266291][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5561.266291][ T74] addrconf_dad_begin+0x310/0x670 [ 5561.266291][ T74] addrconf_dad_work+0x10b/0xab0 [ 5561.266291][ T74] process_one_work+0x84d/0x18a0 [ 5561.266291][ T74] worker_thread+0x587/0xd30 [ 5561.266291][ T74] kthread+0x28a/0x350 [ 5561.266291][ T74] ret_from_fork+0x31/0x70 [ 5561.266291][ T74] ret_from_fork_asm+0x1a/0x30 [ 5561.266291][ T74] [ 5561.268203][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5561.268203][ T74] netdev_get_by_index+0x5e/0x80 [ 5561.268203][ T74] fib6_nh_init+0x3d8/0x1580 [ 5561.268203][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5561.268203][ T74] ip6_route_add+0x1c/0x140 [ 5561.268203][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5561.268203][ T74] inet6_addr_add+0x4f8/0xa40 [ 5561.268203][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5561.268203][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5561.268203][ T74] netlink_rcv_skb+0x130/0x360 [ 5561.268203][ T74] netlink_unicast+0x449/0x710 [ 5561.268203][ T74] netlink_sendmsg+0x723/0xbe0 [ 5561.268203][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5561.268203][ T74] ___sys_sendmsg+0xee/0x170 [ 5561.268203][ T74] __sys_sendmsg+0xcd/0x170 [ 5561.268203][ T74] do_syscall_64+0xc6/0x1e0 [ 5561.268203][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5561.268203][ T74] [ 5561.270193][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5561.270193][ T74] netdev_get_by_index+0x5e/0x80 [ 5561.270193][ T74] fib6_nh_init+0x3d8/0x1580 [ 5561.270193][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5561.270193][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5561.270193][ T74] ipv6_add_addr+0x411/0x2000 [ 5561.270193][ T74] inet6_addr_add+0x30e/0xa40 [ 5561.270193][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5561.270193][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5561.270193][ T74] netlink_rcv_skb+0x130/0x360 [ 5561.270193][ T74] netlink_unicast+0x449/0x710 [ 5561.270193][ T74] netlink_sendmsg+0x723/0xbe0 [ 5561.270193][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5561.270193][ T74] ___sys_sendmsg+0xee/0x170 [ 5561.270193][ T74] __sys_sendmsg+0xcd/0x170 [ 5561.270193][ T74] do_syscall_64+0xc6/0x1e0 [ 5561.270193][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5561.270193][ T74] [ 5561.272180][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5561.272180][ T74] netdev_get_by_index+0x5e/0x80 [ 5561.272180][ T74] fib6_nh_init+0x3d8/0x1580 [ 5561.272180][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5561.272180][ T74] ip6_route_add+0x1c/0x140 [ 5561.272180][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5561.272180][ T74] addrconf_add_dev+0xe2/0x170 [ 5561.272180][ T74] inet6_addr_add+0x12f/0xa40 [ 5561.272180][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5561.272180][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5561.272180][ T74] netlink_rcv_skb+0x130/0x360 [ 5561.272180][ T74] netlink_unicast+0x449/0x710 [ 5561.272180][ T74] netlink_sendmsg+0x723/0xbe0 [ 5561.272180][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5561.272180][ T74] ___sys_sendmsg+0xee/0x170 [ 5561.272180][ T74] __sys_sendmsg+0xcd/0x170 [ 5561.272180][ T74] do_syscall_64+0xc6/0x1e0 [ 5561.272180][ T74] [ 5561.274140][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5561.274140][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5561.274140][ T74] ipv6_find_idev+0x102/0x170 [ 5561.274140][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5561.274140][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5561.274140][ T74] netlink_rcv_skb+0x130/0x360 [ 5561.274140][ T74] netlink_unicast+0x449/0x710 [ 5561.274140][ T74] netlink_sendmsg+0x723/0xbe0 [ 5561.274140][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5561.274140][ T74] ___sys_sendmsg+0xee/0x170 [ 5561.274140][ T74] __sys_sendmsg+0xcd/0x170 [ 5561.274140][ T74] do_syscall_64+0xc6/0x1e0 [ 5561.274140][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5561.274140][ T74] [ 5561.275677][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5561.275677][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5561.275677][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5561.275677][ T74] ipv6_find_idev+0x102/0x170 [ 5561.275677][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5561.275677][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5561.275677][ T74] netlink_rcv_skb+0x130/0x360 [ 5561.275677][ T74] netlink_unicast+0x449/0x710 [ 5561.275677][ T74] netlink_sendmsg+0x723/0xbe0 [ 5561.275677][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5561.275677][ T74] ___sys_sendmsg+0xee/0x170 [ 5561.275677][ T74] __sys_sendmsg+0xcd/0x170 [ 5561.275677][ T74] do_syscall_64+0xc6/0x1e0 [ 5561.275677][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5561.275677][ T74] [ 5561.278388][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5561.278670][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5561.278670][ T74] dst_init+0x84/0x4a0 [ 5561.278670][ T74] dst_alloc+0x97/0x150 [ 5561.278670][ T74] ip6_dst_alloc+0x23/0x90 [ 5561.278670][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5561.278670][ T74] ip6_pol_route+0x56f/0x840 [ 5561.278670][ T74] fib6_rule_lookup+0x456/0x630 [ 5561.278670][ T74] ip6_route_input+0x59c/0xa50 [ 5561.278670][ T74] ipv6_rcv+0x397/0x810 [ 5561.278670][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5561.278670][ T74] process_backlog+0x101/0x620 [ 5561.278670][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5561.278670][ T74] net_rx_action+0x495/0xbe0 [ 5561.278670][ T74] __do_softirq+0x1b5/0x7f6 [ 5561.278670][ T74] [ 5561.280317][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5561.280317][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5561.280317][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5561.280317][ T74] fib6_nh_init+0xa22/0x1580 [ 5561.280317][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5561.280317][ T74] ip6_route_add+0x1c/0x140 [ 5561.280317][ T74] inet6_rtm_newroute+0x104/0x110 [ 5561.280317][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5561.280317][ T74] netlink_rcv_skb+0x130/0x360 [ 5561.280317][ T74] netlink_unicast+0x449/0x710 [ 5561.280317][ T74] netlink_sendmsg+0x723/0xbe0 [ 5561.280317][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5561.280317][ T74] ___sys_sendmsg+0xee/0x170 [ 5561.280317][ T74] __sys_sendmsg+0xcd/0x170 [ 5561.280317][ T74] do_syscall_64+0xc6/0x1e0 [ 5561.280317][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5561.280317][ T74] [ 5561.282187][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5561.282187][ T74] netdev_get_by_index+0x5e/0x80 [ 5561.282187][ T74] fib6_nh_init+0x3d8/0x1580 [ 5561.282187][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5561.282187][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5561.282187][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5561.282187][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5561.282187][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5561.282187][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5561.282187][ T74] addrconf_dad_begin+0x310/0x670 [ 5561.282187][ T74] addrconf_dad_work+0x10b/0xab0 [ 5561.282187][ T74] process_one_work+0x84d/0x18a0 [ 5561.282187][ T74] worker_thread+0x587/0xd30 [ 5561.282187][ T74] kthread+0x28a/0x350 [ 5561.282187][ T74] ret_from_fork+0x31/0x70 [ 5561.282187][ T74] ret_from_fork_asm+0x1a/0x30 [ 5561.282187][ T74] [ 5561.284102][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5561.284102][ T74] netdev_get_by_index+0x5e/0x80 [ 5561.284102][ T74] fib6_nh_init+0x3d8/0x1580 [ 5561.284102][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5561.284102][ T74] ip6_route_add+0x1c/0x140 [ 5561.284102][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5561.284102][ T74] inet6_addr_add+0x4f8/0xa40 [ 5561.284102][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5561.284102][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5561.284102][ T74] netlink_rcv_skb+0x130/0x360 [ 5561.284102][ T74] netlink_unicast+0x449/0x710 [ 5561.284102][ T74] netlink_sendmsg+0x723/0xbe0 [ 5561.284102][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5561.284102][ T74] ___sys_sendmsg+0xee/0x170 [ 5561.284102][ T74] __sys_sendmsg+0xcd/0x170 [ 5561.284102][ T74] do_syscall_64+0xc6/0x1e0 [ 5561.284102][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5561.284102][ T74] [ 5561.286104][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5561.286104][ T74] netdev_get_by_index+0x5e/0x80 [ 5561.286104][ T74] fib6_nh_init+0x3d8/0x1580 [ 5561.286104][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5561.286104][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5561.286104][ T74] ipv6_add_addr+0x411/0x2000 [ 5561.286104][ T74] inet6_addr_add+0x30e/0xa40 [ 5561.286104][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5561.286104][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5561.286104][ T74] netlink_rcv_skb+0x130/0x360 [ 5561.286104][ T74] netlink_unicast+0x449/0x710 [ 5561.286104][ T74] netlink_sendmsg+0x723/0xbe0 [ 5561.286104][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5561.286104][ T74] ___sys_sendmsg+0xee/0x170 [ 5561.286104][ T74] __sys_sendmsg+0xcd/0x170 [ 5561.286104][ T74] do_syscall_64+0xc6/0x1e0 [ 5561.286104][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5561.286104][ T74] [ 5561.288097][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5561.288097][ T74] netdev_get_by_index+0x5e/0x80 [ 5561.288097][ T74] fib6_nh_init+0x3d8/0x1580 [ 5561.288097][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5561.288097][ T74] ip6_route_add+0x1c/0x140 [ 5561.288097][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5561.288097][ T74] addrconf_add_dev+0xe2/0x170 [ 5561.288097][ T74] inet6_addr_add+0x12f/0xa40 [ 5561.288097][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5561.288097][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5561.288097][ T74] netlink_rcv_skb+0x130/0x360 [ 5561.288097][ T74] netlink_unicast+0x449/0x710 [ 5561.288097][ T74] netlink_sendmsg+0x723/0xbe0 [ 5561.288097][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5561.288097][ T74] ___sys_sendmsg+0xee/0x170 [ 5561.288097][ T74] __sys_sendmsg+0xcd/0x170 [ 5561.288097][ T74] do_syscall_64+0xc6/0x1e0 [ 5561.288097][ T74] [ 5561.290049][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5561.290049][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5561.290049][ T74] ipv6_find_idev+0x102/0x170 [ 5561.290049][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5561.290049][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5561.290049][ T74] netlink_rcv_skb+0x130/0x360 [ 5561.290049][ T74] netlink_unicast+0x449/0x710 [ 5561.290049][ T74] netlink_sendmsg+0x723/0xbe0 [ 5561.290049][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5561.290049][ T74] ___sys_sendmsg+0xee/0x170 [ 5561.290049][ T74] __sys_sendmsg+0xcd/0x170 [ 5561.290049][ T74] do_syscall_64+0xc6/0x1e0 [ 5561.290049][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5561.290049][ T74] [ 5561.291711][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5561.291711][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5561.291711][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5561.291711][ T74] ipv6_find_idev+0x102/0x170 [ 5561.291711][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5561.291711][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5561.291711][ T74] netlink_rcv_skb+0x130/0x360 [ 5561.291711][ T74] netlink_unicast+0x449/0x710 [ 5561.291711][ T74] netlink_sendmsg+0x723/0xbe0 [ 5561.291711][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5561.291711][ T74] ___sys_sendmsg+0xee/0x170 [ 5561.291711][ T74] __sys_sendmsg+0xcd/0x170 [ 5561.291711][ T74] do_syscall_64+0xc6/0x1e0 [ 5561.291711][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5561.291711][ T74] [ 5561.293699][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5561.293959][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5561.293959][ T74] netdev_get_by_index+0x5e/0x80 [ 5561.293959][ T74] fib6_nh_init+0x3d8/0x1580 [ 5561.293959][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5561.293959][ T74] ip6_route_add+0x1c/0x140 [ 5561.293959][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5561.293959][ T74] inet6_addr_add+0x4f8/0xa40 [ 5561.293959][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5561.293959][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5561.293959][ T74] netlink_rcv_skb+0x130/0x360 [ 5561.293959][ T74] netlink_unicast+0x449/0x710 [ 5561.293959][ T74] netlink_sendmsg+0x723/0xbe0 [ 5561.293959][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5561.293959][ T74] ___sys_sendmsg+0xee/0x170 [ 5561.293959][ T74] __sys_sendmsg+0xcd/0x170 [ 5561.293959][ T74] do_syscall_64+0xc6/0x1e0 [ 5561.293959][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5561.293959][ T74] [ 5561.296191][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5561.296191][ T74] netdev_get_by_index+0x5e/0x80 [ 5561.296191][ T74] fib6_nh_init+0x3d8/0x1580 [ 5561.296191][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5561.296191][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5561.296191][ T74] ipv6_add_addr+0x411/0x2000 [ 5561.296191][ T74] inet6_addr_add+0x30e/0xa40 [ 5561.296191][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5561.296191][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5561.296191][ T74] netlink_rcv_skb+0x130/0x360 [ 5561.296191][ T74] netlink_unicast+0x449/0x710 [ 5561.296191][ T74] netlink_sendmsg+0x723/0xbe0 [ 5561.296191][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5561.296191][ T74] ___sys_sendmsg+0xee/0x170 [ 5561.296191][ T74] __sys_sendmsg+0xcd/0x170 [ 5561.296191][ T74] do_syscall_64+0xc6/0x1e0 [ 5561.296191][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5561.296191][ T74] [ 5561.298416][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5561.298416][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5561.298416][ T74] ipv6_find_idev+0x102/0x170 [ 5561.298416][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5561.298416][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5561.298416][ T74] netlink_rcv_skb+0x130/0x360 [ 5561.298416][ T74] netlink_unicast+0x449/0x710 [ 5561.298416][ T74] netlink_sendmsg+0x723/0xbe0 [ 5561.298416][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5561.298416][ T74] ___sys_sendmsg+0xee/0x170 [ 5561.298416][ T74] __sys_sendmsg+0xcd/0x170 [ 5561.298416][ T74] do_syscall_64+0xc6/0x1e0 [ 5561.298416][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5561.298416][ T74] [ 5561.300072][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5561.300072][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5561.300072][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5561.300072][ T74] ipv6_find_idev+0x102/0x170 [ 5561.300072][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5561.300072][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5561.300072][ T74] netlink_rcv_skb+0x130/0x360 [ 5561.300072][ T74] netlink_unicast+0x449/0x710 [ 5561.300072][ T74] netlink_sendmsg+0x723/0xbe0 [ 5561.300072][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5561.300072][ T74] ___sys_sendmsg+0xee/0x170 [ 5561.300072][ T74] __sys_sendmsg+0xcd/0x170 [ 5561.300072][ T74] do_syscall_64+0xc6/0x1e0 [ 5561.300072][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5561.300072][ T74] [ 5571.359949][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5571.360368][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5571.360368][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5571.360368][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5571.360368][ T74] fib6_nh_init+0xa22/0x1580 [ 5571.360368][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5571.360368][ T74] ip6_route_add+0x1c/0x140 [ 5571.360368][ T74] inet6_rtm_newroute+0x104/0x110 [ 5571.360368][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5571.360368][ T74] netlink_rcv_skb+0x130/0x360 [ 5571.360368][ T74] netlink_unicast+0x449/0x710 [ 5571.360368][ T74] netlink_sendmsg+0x723/0xbe0 [ 5571.360368][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5571.360368][ T74] ___sys_sendmsg+0xee/0x170 [ 5571.360368][ T74] __sys_sendmsg+0xcd/0x170 [ 5571.360368][ T74] do_syscall_64+0xc6/0x1e0 [ 5571.360368][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5571.360368][ T74] [ 5571.362274][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5571.362274][ T74] netdev_get_by_index+0x5e/0x80 [ 5571.362274][ T74] fib6_nh_init+0x3d8/0x1580 [ 5571.362274][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5571.362274][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5571.362274][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5571.362274][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5571.362274][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5571.362274][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5571.362274][ T74] addrconf_dad_begin+0x310/0x670 [ 5571.362274][ T74] addrconf_dad_work+0x10b/0xab0 [ 5571.362274][ T74] process_one_work+0x84d/0x18a0 [ 5571.362274][ T74] worker_thread+0x587/0xd30 [ 5571.362274][ T74] kthread+0x28a/0x350 [ 5571.362274][ T74] ret_from_fork+0x31/0x70 [ 5571.362274][ T74] ret_from_fork_asm+0x1a/0x30 [ 5571.362274][ T74] [ 5571.364210][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5571.364210][ T74] netdev_get_by_index+0x5e/0x80 [ 5571.364210][ T74] fib6_nh_init+0x3d8/0x1580 [ 5571.364210][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5571.364210][ T74] ip6_route_add+0x1c/0x140 [ 5571.364210][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5571.364210][ T74] inet6_addr_add+0x4f8/0xa40 [ 5571.364210][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5571.364210][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5571.364210][ T74] netlink_rcv_skb+0x130/0x360 [ 5571.364210][ T74] netlink_unicast+0x449/0x710 [ 5571.364210][ T74] netlink_sendmsg+0x723/0xbe0 [ 5571.364210][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5571.364210][ T74] ___sys_sendmsg+0xee/0x170 [ 5571.364210][ T74] __sys_sendmsg+0xcd/0x170 [ 5571.364210][ T74] do_syscall_64+0xc6/0x1e0 [ 5571.364210][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5571.364210][ T74] [ 5571.366211][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5571.366211][ T74] netdev_get_by_index+0x5e/0x80 [ 5571.366211][ T74] fib6_nh_init+0x3d8/0x1580 [ 5571.366211][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5571.366211][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5571.366211][ T74] ipv6_add_addr+0x411/0x2000 [ 5571.366211][ T74] inet6_addr_add+0x30e/0xa40 [ 5571.366211][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5571.366211][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5571.366211][ T74] netlink_rcv_skb+0x130/0x360 [ 5571.366211][ T74] netlink_unicast+0x449/0x710 [ 5571.366211][ T74] netlink_sendmsg+0x723/0xbe0 [ 5571.366211][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5571.366211][ T74] ___sys_sendmsg+0xee/0x170 [ 5571.366211][ T74] __sys_sendmsg+0xcd/0x170 [ 5571.366211][ T74] do_syscall_64+0xc6/0x1e0 [ 5571.366211][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5571.366211][ T74] [ 5571.368212][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5571.368212][ T74] netdev_get_by_index+0x5e/0x80 [ 5571.368212][ T74] fib6_nh_init+0x3d8/0x1580 [ 5571.368212][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5571.368212][ T74] ip6_route_add+0x1c/0x140 [ 5571.368212][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5571.368212][ T74] addrconf_add_dev+0xe2/0x170 [ 5571.368212][ T74] inet6_addr_add+0x12f/0xa40 [ 5571.368212][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5571.368212][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5571.368212][ T74] netlink_rcv_skb+0x130/0x360 [ 5571.368212][ T74] netlink_unicast+0x449/0x710 [ 5571.368212][ T74] netlink_sendmsg+0x723/0xbe0 [ 5571.368212][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5571.368212][ T74] ___sys_sendmsg+0xee/0x170 [ 5571.368212][ T74] __sys_sendmsg+0xcd/0x170 [ 5571.368212][ T74] do_syscall_64+0xc6/0x1e0 [ 5571.368212][ T74] [ 5571.370181][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5571.370181][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5571.370181][ T74] ipv6_find_idev+0x102/0x170 [ 5571.370181][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5571.370181][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5571.370181][ T74] netlink_rcv_skb+0x130/0x360 [ 5571.370181][ T74] netlink_unicast+0x449/0x710 [ 5571.370181][ T74] netlink_sendmsg+0x723/0xbe0 [ 5571.370181][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5571.370181][ T74] ___sys_sendmsg+0xee/0x170 [ 5571.370181][ T74] __sys_sendmsg+0xcd/0x170 [ 5571.370181][ T74] do_syscall_64+0xc6/0x1e0 [ 5571.370181][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5571.370181][ T74] [ 5571.371710][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5571.371710][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5571.371710][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5571.371710][ T74] ipv6_find_idev+0x102/0x170 [ 5571.371710][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5571.371710][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5571.371710][ T74] netlink_rcv_skb+0x130/0x360 [ 5571.371710][ T74] netlink_unicast+0x449/0x710 [ 5571.371710][ T74] netlink_sendmsg+0x723/0xbe0 [ 5571.371710][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5571.371710][ T74] ___sys_sendmsg+0xee/0x170 [ 5571.371710][ T74] __sys_sendmsg+0xcd/0x170 [ 5571.371710][ T74] do_syscall_64+0xc6/0x1e0 [ 5571.371710][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5571.371710][ T74] [ 5571.374410][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5571.374686][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5571.374686][ T74] dst_init+0x84/0x4a0 [ 5571.374686][ T74] dst_alloc+0x97/0x150 [ 5571.374686][ T74] ip6_dst_alloc+0x23/0x90 [ 5571.374686][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5571.374686][ T74] ip6_pol_route+0x56f/0x840 [ 5571.374686][ T74] fib6_rule_lookup+0x456/0x630 [ 5571.374686][ T74] ip6_route_input+0x59c/0xa50 [ 5571.374686][ T74] ipv6_rcv+0x397/0x810 [ 5571.374686][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5571.374686][ T74] process_backlog+0x101/0x620 [ 5571.374686][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5571.374686][ T74] net_rx_action+0x495/0xbe0 [ 5571.374686][ T74] __do_softirq+0x1b5/0x7f6 [ 5571.374686][ T74] [ 5571.376326][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5571.376326][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5571.376326][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5571.376326][ T74] fib6_nh_init+0xa22/0x1580 [ 5571.376326][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5571.376326][ T74] ip6_route_add+0x1c/0x140 [ 5571.376326][ T74] inet6_rtm_newroute+0x104/0x110 [ 5571.376326][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5571.376326][ T74] netlink_rcv_skb+0x130/0x360 [ 5571.376326][ T74] netlink_unicast+0x449/0x710 [ 5571.376326][ T74] netlink_sendmsg+0x723/0xbe0 [ 5571.376326][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5571.376326][ T74] ___sys_sendmsg+0xee/0x170 [ 5571.376326][ T74] __sys_sendmsg+0xcd/0x170 [ 5571.376326][ T74] do_syscall_64+0xc6/0x1e0 [ 5571.376326][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5571.376326][ T74] [ 5571.378198][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5571.378198][ T74] netdev_get_by_index+0x5e/0x80 [ 5571.378198][ T74] fib6_nh_init+0x3d8/0x1580 [ 5571.378198][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5571.378198][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5571.378198][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5571.378198][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5571.378198][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5571.378198][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5571.378198][ T74] addrconf_dad_begin+0x310/0x670 [ 5571.378198][ T74] addrconf_dad_work+0x10b/0xab0 [ 5571.378198][ T74] process_one_work+0x84d/0x18a0 [ 5571.378198][ T74] worker_thread+0x587/0xd30 [ 5571.378198][ T74] kthread+0x28a/0x350 [ 5571.378198][ T74] ret_from_fork+0x31/0x70 [ 5571.378198][ T74] ret_from_fork_asm+0x1a/0x30 [ 5571.378198][ T74] [ 5571.380095][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5571.380095][ T74] netdev_get_by_index+0x5e/0x80 [ 5571.380095][ T74] fib6_nh_init+0x3d8/0x1580 [ 5571.380095][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5571.380095][ T74] ip6_route_add+0x1c/0x140 [ 5571.380095][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5571.380095][ T74] inet6_addr_add+0x4f8/0xa40 [ 5571.380095][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5571.380095][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5571.380095][ T74] netlink_rcv_skb+0x130/0x360 [ 5571.380095][ T74] netlink_unicast+0x449/0x710 [ 5571.380095][ T74] netlink_sendmsg+0x723/0xbe0 [ 5571.380095][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5571.380095][ T74] ___sys_sendmsg+0xee/0x170 [ 5571.380095][ T74] __sys_sendmsg+0xcd/0x170 [ 5571.380095][ T74] do_syscall_64+0xc6/0x1e0 [ 5571.380095][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5571.380095][ T74] [ 5571.382085][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5571.382085][ T74] netdev_get_by_index+0x5e/0x80 [ 5571.382085][ T74] fib6_nh_init+0x3d8/0x1580 [ 5571.382085][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5571.382085][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5571.382085][ T74] ipv6_add_addr+0x411/0x2000 [ 5571.382085][ T74] inet6_addr_add+0x30e/0xa40 [ 5571.382085][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5571.382085][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5571.382085][ T74] netlink_rcv_skb+0x130/0x360 [ 5571.382085][ T74] netlink_unicast+0x449/0x710 [ 5571.382085][ T74] netlink_sendmsg+0x723/0xbe0 [ 5571.382085][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5571.382085][ T74] ___sys_sendmsg+0xee/0x170 [ 5571.382085][ T74] __sys_sendmsg+0xcd/0x170 [ 5571.382085][ T74] do_syscall_64+0xc6/0x1e0 [ 5571.382085][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5571.382085][ T74] [ 5571.384080][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5571.384080][ T74] netdev_get_by_index+0x5e/0x80 [ 5571.384080][ T74] fib6_nh_init+0x3d8/0x1580 [ 5571.384080][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5571.384080][ T74] ip6_route_add+0x1c/0x140 [ 5571.384080][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5571.384080][ T74] addrconf_add_dev+0xe2/0x170 [ 5571.384080][ T74] inet6_addr_add+0x12f/0xa40 [ 5571.384080][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5571.384080][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5571.384080][ T74] netlink_rcv_skb+0x130/0x360 [ 5571.384080][ T74] netlink_unicast+0x449/0x710 [ 5571.384080][ T74] netlink_sendmsg+0x723/0xbe0 [ 5571.384080][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5571.384080][ T74] ___sys_sendmsg+0xee/0x170 [ 5571.384080][ T74] __sys_sendmsg+0xcd/0x170 [ 5571.384080][ T74] do_syscall_64+0xc6/0x1e0 [ 5571.384080][ T74] [ 5571.386034][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5571.386034][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5571.386034][ T74] ipv6_find_idev+0x102/0x170 [ 5571.386034][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5571.386034][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5571.386034][ T74] netlink_rcv_skb+0x130/0x360 [ 5571.386034][ T74] netlink_unicast+0x449/0x710 [ 5571.386034][ T74] netlink_sendmsg+0x723/0xbe0 [ 5571.386034][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5571.386034][ T74] ___sys_sendmsg+0xee/0x170 [ 5571.386034][ T74] __sys_sendmsg+0xcd/0x170 [ 5571.386034][ T74] do_syscall_64+0xc6/0x1e0 [ 5571.386034][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5571.386034][ T74] [ 5571.387687][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5571.387687][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5571.387687][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5571.387687][ T74] ipv6_find_idev+0x102/0x170 [ 5571.387687][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5571.387687][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5571.387687][ T74] netlink_rcv_skb+0x130/0x360 [ 5571.387687][ T74] netlink_unicast+0x449/0x710 [ 5571.387687][ T74] netlink_sendmsg+0x723/0xbe0 [ 5571.387687][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5571.387687][ T74] ___sys_sendmsg+0xee/0x170 [ 5571.387687][ T74] __sys_sendmsg+0xcd/0x170 [ 5571.387687][ T74] do_syscall_64+0xc6/0x1e0 [ 5571.387687][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5571.387687][ T74] [ 5571.389663][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5571.389927][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5571.389927][ T74] netdev_get_by_index+0x5e/0x80 [ 5571.389927][ T74] fib6_nh_init+0x3d8/0x1580 [ 5571.389927][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5571.389927][ T74] ip6_route_add+0x1c/0x140 [ 5571.389927][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5571.389927][ T74] inet6_addr_add+0x4f8/0xa40 [ 5571.389927][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5571.389927][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5571.389927][ T74] netlink_rcv_skb+0x130/0x360 [ 5571.389927][ T74] netlink_unicast+0x449/0x710 [ 5571.389927][ T74] netlink_sendmsg+0x723/0xbe0 [ 5571.389927][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5571.389927][ T74] ___sys_sendmsg+0xee/0x170 [ 5571.389927][ T74] __sys_sendmsg+0xcd/0x170 [ 5571.389927][ T74] do_syscall_64+0xc6/0x1e0 [ 5571.389927][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5571.389927][ T74] [ 5571.392154][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5571.392154][ T74] netdev_get_by_index+0x5e/0x80 [ 5571.392154][ T74] fib6_nh_init+0x3d8/0x1580 [ 5571.392154][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5571.392154][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5571.392154][ T74] ipv6_add_addr+0x411/0x2000 [ 5571.392154][ T74] inet6_addr_add+0x30e/0xa40 [ 5571.392154][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5571.392154][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5571.392154][ T74] netlink_rcv_skb+0x130/0x360 [ 5571.392154][ T74] netlink_unicast+0x449/0x710 [ 5571.392154][ T74] netlink_sendmsg+0x723/0xbe0 [ 5571.392154][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5571.392154][ T74] ___sys_sendmsg+0xee/0x170 [ 5571.392154][ T74] __sys_sendmsg+0xcd/0x170 [ 5571.392154][ T74] do_syscall_64+0xc6/0x1e0 [ 5571.392154][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5571.392154][ T74] [ 5571.394399][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5571.394399][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5571.394399][ T74] ipv6_find_idev+0x102/0x170 [ 5571.394399][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5571.394399][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5571.394399][ T74] netlink_rcv_skb+0x130/0x360 [ 5571.394399][ T74] netlink_unicast+0x449/0x710 [ 5571.394399][ T74] netlink_sendmsg+0x723/0xbe0 [ 5571.394399][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5571.394399][ T74] ___sys_sendmsg+0xee/0x170 [ 5571.394399][ T74] __sys_sendmsg+0xcd/0x170 [ 5571.394399][ T74] do_syscall_64+0xc6/0x1e0 [ 5571.394399][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5571.394399][ T74] [ 5571.396061][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5571.396061][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5571.396061][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5571.396061][ T74] ipv6_find_idev+0x102/0x170 [ 5571.396061][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5571.396061][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5571.396061][ T74] netlink_rcv_skb+0x130/0x360 [ 5571.396061][ T74] netlink_unicast+0x449/0x710 [ 5571.396061][ T74] netlink_sendmsg+0x723/0xbe0 [ 5571.396061][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5571.396061][ T74] ___sys_sendmsg+0xee/0x170 [ 5571.396061][ T74] __sys_sendmsg+0xcd/0x170 [ 5571.396061][ T74] do_syscall_64+0xc6/0x1e0 [ 5571.396061][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5571.396061][ T74] [ 5581.431897][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5581.432333][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5581.432333][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5581.432333][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5581.432333][ T74] fib6_nh_init+0xa22/0x1580 [ 5581.432333][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5581.432333][ T74] ip6_route_add+0x1c/0x140 [ 5581.432333][ T74] inet6_rtm_newroute+0x104/0x110 [ 5581.432333][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5581.432333][ T74] netlink_rcv_skb+0x130/0x360 [ 5581.432333][ T74] netlink_unicast+0x449/0x710 [ 5581.432333][ T74] netlink_sendmsg+0x723/0xbe0 [ 5581.432333][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5581.432333][ T74] ___sys_sendmsg+0xee/0x170 [ 5581.432333][ T74] __sys_sendmsg+0xcd/0x170 [ 5581.432333][ T74] do_syscall_64+0xc6/0x1e0 [ 5581.432333][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5581.432333][ T74] [ 5581.434241][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5581.434241][ T74] netdev_get_by_index+0x5e/0x80 [ 5581.434241][ T74] fib6_nh_init+0x3d8/0x1580 [ 5581.434241][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5581.434241][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5581.434241][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5581.434241][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5581.434241][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5581.434241][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5581.434241][ T74] addrconf_dad_begin+0x310/0x670 [ 5581.434241][ T74] addrconf_dad_work+0x10b/0xab0 [ 5581.434241][ T74] process_one_work+0x84d/0x18a0 [ 5581.434241][ T74] worker_thread+0x587/0xd30 [ 5581.434241][ T74] kthread+0x28a/0x350 [ 5581.434241][ T74] ret_from_fork+0x31/0x70 [ 5581.434241][ T74] ret_from_fork_asm+0x1a/0x30 [ 5581.434241][ T74] [ 5581.436159][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5581.436159][ T74] netdev_get_by_index+0x5e/0x80 [ 5581.436159][ T74] fib6_nh_init+0x3d8/0x1580 [ 5581.436159][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5581.436159][ T74] ip6_route_add+0x1c/0x140 [ 5581.436159][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5581.436159][ T74] inet6_addr_add+0x4f8/0xa40 [ 5581.436159][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5581.436159][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5581.436159][ T74] netlink_rcv_skb+0x130/0x360 [ 5581.436159][ T74] netlink_unicast+0x449/0x710 [ 5581.436159][ T74] netlink_sendmsg+0x723/0xbe0 [ 5581.436159][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5581.436159][ T74] ___sys_sendmsg+0xee/0x170 [ 5581.436159][ T74] __sys_sendmsg+0xcd/0x170 [ 5581.436159][ T74] do_syscall_64+0xc6/0x1e0 [ 5581.436159][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5581.436159][ T74] [ 5581.438163][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5581.438163][ T74] netdev_get_by_index+0x5e/0x80 [ 5581.438163][ T74] fib6_nh_init+0x3d8/0x1580 [ 5581.438163][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5581.438163][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5581.438163][ T74] ipv6_add_addr+0x411/0x2000 [ 5581.438163][ T74] inet6_addr_add+0x30e/0xa40 [ 5581.438163][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5581.438163][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5581.438163][ T74] netlink_rcv_skb+0x130/0x360 [ 5581.438163][ T74] netlink_unicast+0x449/0x710 [ 5581.438163][ T74] netlink_sendmsg+0x723/0xbe0 [ 5581.438163][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5581.438163][ T74] ___sys_sendmsg+0xee/0x170 [ 5581.438163][ T74] __sys_sendmsg+0xcd/0x170 [ 5581.438163][ T74] do_syscall_64+0xc6/0x1e0 [ 5581.438163][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5581.438163][ T74] [ 5581.440171][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5581.440171][ T74] netdev_get_by_index+0x5e/0x80 [ 5581.440171][ T74] fib6_nh_init+0x3d8/0x1580 [ 5581.440171][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5581.440171][ T74] ip6_route_add+0x1c/0x140 [ 5581.440171][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5581.440171][ T74] addrconf_add_dev+0xe2/0x170 [ 5581.440171][ T74] inet6_addr_add+0x12f/0xa40 [ 5581.440171][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5581.440171][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5581.440171][ T74] netlink_rcv_skb+0x130/0x360 [ 5581.440171][ T74] netlink_unicast+0x449/0x710 [ 5581.440171][ T74] netlink_sendmsg+0x723/0xbe0 [ 5581.440171][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5581.440171][ T74] ___sys_sendmsg+0xee/0x170 [ 5581.440171][ T74] __sys_sendmsg+0xcd/0x170 [ 5581.440171][ T74] do_syscall_64+0xc6/0x1e0 [ 5581.440171][ T74] [ 5581.442143][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5581.442143][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5581.442143][ T74] ipv6_find_idev+0x102/0x170 [ 5581.442143][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5581.442143][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5581.442143][ T74] netlink_rcv_skb+0x130/0x360 [ 5581.442143][ T74] netlink_unicast+0x449/0x710 [ 5581.442143][ T74] netlink_sendmsg+0x723/0xbe0 [ 5581.442143][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5581.442143][ T74] ___sys_sendmsg+0xee/0x170 [ 5581.442143][ T74] __sys_sendmsg+0xcd/0x170 [ 5581.442143][ T74] do_syscall_64+0xc6/0x1e0 [ 5581.442143][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5581.442143][ T74] [ 5581.443688][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5581.443688][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5581.443688][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5581.443688][ T74] ipv6_find_idev+0x102/0x170 [ 5581.443688][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5581.443688][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5581.443688][ T74] netlink_rcv_skb+0x130/0x360 [ 5581.443688][ T74] netlink_unicast+0x449/0x710 [ 5581.443688][ T74] netlink_sendmsg+0x723/0xbe0 [ 5581.443688][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5581.443688][ T74] ___sys_sendmsg+0xee/0x170 [ 5581.443688][ T74] __sys_sendmsg+0xcd/0x170 [ 5581.443688][ T74] do_syscall_64+0xc6/0x1e0 [ 5581.443688][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5581.443688][ T74] [ 5581.445388][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5581.445668][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5581.445668][ T74] dst_init+0x84/0x4a0 [ 5581.445668][ T74] dst_alloc+0x97/0x150 [ 5581.445668][ T74] ip6_dst_alloc+0x23/0x90 [ 5581.445668][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5581.445668][ T74] ip6_pol_route+0x56f/0x840 [ 5581.445668][ T74] fib6_rule_lookup+0x456/0x630 [ 5581.445668][ T74] ip6_route_input+0x59c/0xa50 [ 5581.445668][ T74] ipv6_rcv+0x397/0x810 [ 5581.445668][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5581.445668][ T74] process_backlog+0x101/0x620 [ 5581.445668][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5581.445668][ T74] net_rx_action+0x495/0xbe0 [ 5581.445668][ T74] __do_softirq+0x1b5/0x7f6 [ 5581.445668][ T74] [ 5581.447290][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5581.447290][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5581.447290][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5581.447290][ T74] fib6_nh_init+0xa22/0x1580 [ 5581.447290][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5581.447290][ T74] ip6_route_add+0x1c/0x140 [ 5581.447290][ T74] inet6_rtm_newroute+0x104/0x110 [ 5581.447290][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5581.447290][ T74] netlink_rcv_skb+0x130/0x360 [ 5581.447290][ T74] netlink_unicast+0x449/0x710 [ 5581.447290][ T74] netlink_sendmsg+0x723/0xbe0 [ 5581.447290][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5581.447290][ T74] ___sys_sendmsg+0xee/0x170 [ 5581.447290][ T74] __sys_sendmsg+0xcd/0x170 [ 5581.447290][ T74] do_syscall_64+0xc6/0x1e0 [ 5581.447290][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5581.447290][ T74] [ 5581.449167][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5581.449167][ T74] netdev_get_by_index+0x5e/0x80 [ 5581.449167][ T74] fib6_nh_init+0x3d8/0x1580 [ 5581.449167][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5581.449167][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5581.449167][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5581.449167][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5581.449167][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5581.449167][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5581.449167][ T74] addrconf_dad_begin+0x310/0x670 [ 5581.449167][ T74] addrconf_dad_work+0x10b/0xab0 [ 5581.449167][ T74] process_one_work+0x84d/0x18a0 [ 5581.449167][ T74] worker_thread+0x587/0xd30 [ 5581.449167][ T74] kthread+0x28a/0x350 [ 5581.449167][ T74] ret_from_fork+0x31/0x70 [ 5581.449167][ T74] ret_from_fork_asm+0x1a/0x30 [ 5581.449167][ T74] [ 5581.451066][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5581.451066][ T74] netdev_get_by_index+0x5e/0x80 [ 5581.451066][ T74] fib6_nh_init+0x3d8/0x1580 [ 5581.451066][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5581.451066][ T74] ip6_route_add+0x1c/0x140 [ 5581.451066][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5581.451066][ T74] inet6_addr_add+0x4f8/0xa40 [ 5581.451066][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5581.451066][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5581.451066][ T74] netlink_rcv_skb+0x130/0x360 [ 5581.451066][ T74] netlink_unicast+0x449/0x710 [ 5581.451066][ T74] netlink_sendmsg+0x723/0xbe0 [ 5581.451066][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5581.451066][ T74] ___sys_sendmsg+0xee/0x170 [ 5581.451066][ T74] __sys_sendmsg+0xcd/0x170 [ 5581.451066][ T74] do_syscall_64+0xc6/0x1e0 [ 5581.451066][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5581.451066][ T74] [ 5581.453061][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5581.453061][ T74] netdev_get_by_index+0x5e/0x80 [ 5581.453061][ T74] fib6_nh_init+0x3d8/0x1580 [ 5581.453061][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5581.453061][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5581.453061][ T74] ipv6_add_addr+0x411/0x2000 [ 5581.453061][ T74] inet6_addr_add+0x30e/0xa40 [ 5581.453061][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5581.453061][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5581.453061][ T74] netlink_rcv_skb+0x130/0x360 [ 5581.453061][ T74] netlink_unicast+0x449/0x710 [ 5581.453061][ T74] netlink_sendmsg+0x723/0xbe0 [ 5581.453061][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5581.453061][ T74] ___sys_sendmsg+0xee/0x170 [ 5581.453061][ T74] __sys_sendmsg+0xcd/0x170 [ 5581.453061][ T74] do_syscall_64+0xc6/0x1e0 [ 5581.453061][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5581.453061][ T74] [ 5581.455065][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5581.455065][ T74] netdev_get_by_index+0x5e/0x80 [ 5581.455065][ T74] fib6_nh_init+0x3d8/0x1580 [ 5581.455065][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5581.455065][ T74] ip6_route_add+0x1c/0x140 [ 5581.455065][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5581.455065][ T74] addrconf_add_dev+0xe2/0x170 [ 5581.455065][ T74] inet6_addr_add+0x12f/0xa40 [ 5581.455065][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5581.455065][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5581.455065][ T74] netlink_rcv_skb+0x130/0x360 [ 5581.455065][ T74] netlink_unicast+0x449/0x710 [ 5581.455065][ T74] netlink_sendmsg+0x723/0xbe0 [ 5581.455065][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5581.455065][ T74] ___sys_sendmsg+0xee/0x170 [ 5581.455065][ T74] __sys_sendmsg+0xcd/0x170 [ 5581.455065][ T74] do_syscall_64+0xc6/0x1e0 [ 5581.455065][ T74] [ 5581.457021][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5581.457021][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5581.457021][ T74] ipv6_find_idev+0x102/0x170 [ 5581.457021][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5581.457021][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5581.457021][ T74] netlink_rcv_skb+0x130/0x360 [ 5581.457021][ T74] netlink_unicast+0x449/0x710 [ 5581.457021][ T74] netlink_sendmsg+0x723/0xbe0 [ 5581.457021][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5581.457021][ T74] ___sys_sendmsg+0xee/0x170 [ 5581.457021][ T74] __sys_sendmsg+0xcd/0x170 [ 5581.457021][ T74] do_syscall_64+0xc6/0x1e0 [ 5581.457021][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5581.457021][ T74] [ 5581.458631][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5581.458631][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5581.458631][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5581.458631][ T74] ipv6_find_idev+0x102/0x170 [ 5581.458631][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5581.458631][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5581.458631][ T74] netlink_rcv_skb+0x130/0x360 [ 5581.458631][ T74] netlink_unicast+0x449/0x710 [ 5581.458631][ T74] netlink_sendmsg+0x723/0xbe0 [ 5581.458631][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5581.458631][ T74] ___sys_sendmsg+0xee/0x170 [ 5581.458631][ T74] __sys_sendmsg+0xcd/0x170 [ 5581.458631][ T74] do_syscall_64+0xc6/0x1e0 [ 5581.458631][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5581.458631][ T74] [ 5581.460384][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5581.460624][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5581.460624][ T74] netdev_get_by_index+0x5e/0x80 [ 5581.460624][ T74] fib6_nh_init+0x3d8/0x1580 [ 5581.460624][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5581.460624][ T74] ip6_route_add+0x1c/0x140 [ 5581.460624][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5581.460624][ T74] inet6_addr_add+0x4f8/0xa40 [ 5581.460624][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5581.460624][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5581.460624][ T74] netlink_rcv_skb+0x130/0x360 [ 5581.460624][ T74] netlink_unicast+0x449/0x710 [ 5581.460624][ T74] netlink_sendmsg+0x723/0xbe0 [ 5581.460624][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5581.460624][ T74] ___sys_sendmsg+0xee/0x170 [ 5581.460624][ T74] __sys_sendmsg+0xcd/0x170 [ 5581.460624][ T74] do_syscall_64+0xc6/0x1e0 [ 5581.460624][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5581.460624][ T74] [ 5581.462751][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5581.462751][ T74] netdev_get_by_index+0x5e/0x80 [ 5581.462751][ T74] fib6_nh_init+0x3d8/0x1580 [ 5581.462751][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5581.462751][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5581.462751][ T74] ipv6_add_addr+0x411/0x2000 [ 5581.462751][ T74] inet6_addr_add+0x30e/0xa40 [ 5581.462751][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5581.462751][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5581.462751][ T74] netlink_rcv_skb+0x130/0x360 [ 5581.462751][ T74] netlink_unicast+0x449/0x710 [ 5581.462751][ T74] netlink_sendmsg+0x723/0xbe0 [ 5581.462751][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5581.462751][ T74] ___sys_sendmsg+0xee/0x170 [ 5581.462751][ T74] __sys_sendmsg+0xcd/0x170 [ 5581.462751][ T74] do_syscall_64+0xc6/0x1e0 [ 5581.462751][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5581.462751][ T74] [ 5581.464869][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5581.464869][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5581.464869][ T74] ipv6_find_idev+0x102/0x170 [ 5581.464869][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5581.464869][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5581.464869][ T74] netlink_rcv_skb+0x130/0x360 [ 5581.464869][ T74] netlink_unicast+0x449/0x710 [ 5581.464869][ T74] netlink_sendmsg+0x723/0xbe0 [ 5581.464869][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5581.464869][ T74] ___sys_sendmsg+0xee/0x170 [ 5581.464869][ T74] __sys_sendmsg+0xcd/0x170 [ 5581.464869][ T74] do_syscall_64+0xc6/0x1e0 [ 5581.464869][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5581.464869][ T74] [ 5581.466528][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5581.466528][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5581.466528][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5581.466528][ T74] ipv6_find_idev+0x102/0x170 [ 5581.466528][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5581.466528][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5581.466528][ T74] netlink_rcv_skb+0x130/0x360 [ 5581.466528][ T74] netlink_unicast+0x449/0x710 [ 5581.466528][ T74] netlink_sendmsg+0x723/0xbe0 [ 5581.466528][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5581.466528][ T74] ___sys_sendmsg+0xee/0x170 [ 5581.466528][ T74] __sys_sendmsg+0xcd/0x170 [ 5581.466528][ T74] do_syscall_64+0xc6/0x1e0 [ 5581.466528][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5581.466528][ T74] [ 5591.703978][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5591.704437][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5591.704437][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5591.704437][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5591.704437][ T74] fib6_nh_init+0xa22/0x1580 [ 5591.704437][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5591.704437][ T74] ip6_route_add+0x1c/0x140 [ 5591.704437][ T74] inet6_rtm_newroute+0x104/0x110 [ 5591.704437][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5591.704437][ T74] netlink_rcv_skb+0x130/0x360 [ 5591.704437][ T74] netlink_unicast+0x449/0x710 [ 5591.704437][ T74] netlink_sendmsg+0x723/0xbe0 [ 5591.704437][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5591.704437][ T74] ___sys_sendmsg+0xee/0x170 [ 5591.704437][ T74] __sys_sendmsg+0xcd/0x170 [ 5591.704437][ T74] do_syscall_64+0xc6/0x1e0 [ 5591.704437][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5591.704437][ T74] [ 5591.706394][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5591.706394][ T74] netdev_get_by_index+0x5e/0x80 [ 5591.706394][ T74] fib6_nh_init+0x3d8/0x1580 [ 5591.706394][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5591.706394][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5591.706394][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5591.706394][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5591.706394][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5591.706394][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5591.706394][ T74] addrconf_dad_begin+0x310/0x670 [ 5591.706394][ T74] addrconf_dad_work+0x10b/0xab0 [ 5591.706394][ T74] process_one_work+0x84d/0x18a0 [ 5591.706394][ T74] worker_thread+0x587/0xd30 [ 5591.706394][ T74] kthread+0x28a/0x350 [ 5591.706394][ T74] ret_from_fork+0x31/0x70 [ 5591.706394][ T74] ret_from_fork_asm+0x1a/0x30 [ 5591.706394][ T74] [ 5591.708328][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5591.708328][ T74] netdev_get_by_index+0x5e/0x80 [ 5591.708328][ T74] fib6_nh_init+0x3d8/0x1580 [ 5591.708328][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5591.708328][ T74] ip6_route_add+0x1c/0x140 [ 5591.708328][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5591.708328][ T74] inet6_addr_add+0x4f8/0xa40 [ 5591.708328][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5591.708328][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5591.708328][ T74] netlink_rcv_skb+0x130/0x360 [ 5591.708328][ T74] netlink_unicast+0x449/0x710 [ 5591.708328][ T74] netlink_sendmsg+0x723/0xbe0 [ 5591.708328][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5591.708328][ T74] ___sys_sendmsg+0xee/0x170 [ 5591.708328][ T74] __sys_sendmsg+0xcd/0x170 [ 5591.708328][ T74] do_syscall_64+0xc6/0x1e0 [ 5591.708328][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5591.708328][ T74] [ 5591.710357][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5591.710357][ T74] netdev_get_by_index+0x5e/0x80 [ 5591.710357][ T74] fib6_nh_init+0x3d8/0x1580 [ 5591.710357][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5591.710357][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5591.710357][ T74] ipv6_add_addr+0x411/0x2000 [ 5591.710357][ T74] inet6_addr_add+0x30e/0xa40 [ 5591.710357][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5591.710357][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5591.710357][ T74] netlink_rcv_skb+0x130/0x360 [ 5591.710357][ T74] netlink_unicast+0x449/0x710 [ 5591.710357][ T74] netlink_sendmsg+0x723/0xbe0 [ 5591.710357][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5591.710357][ T74] ___sys_sendmsg+0xee/0x170 [ 5591.710357][ T74] __sys_sendmsg+0xcd/0x170 [ 5591.710357][ T74] do_syscall_64+0xc6/0x1e0 [ 5591.710357][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5591.710357][ T74] [ 5591.712411][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5591.712411][ T74] netdev_get_by_index+0x5e/0x80 [ 5591.712411][ T74] fib6_nh_init+0x3d8/0x1580 [ 5591.712411][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5591.712411][ T74] ip6_route_add+0x1c/0x140 [ 5591.712411][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5591.712411][ T74] addrconf_add_dev+0xe2/0x170 [ 5591.712411][ T74] inet6_addr_add+0x12f/0xa40 [ 5591.712411][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5591.712411][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5591.712411][ T74] netlink_rcv_skb+0x130/0x360 [ 5591.712411][ T74] netlink_unicast+0x449/0x710 [ 5591.712411][ T74] netlink_sendmsg+0x723/0xbe0 [ 5591.712411][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5591.712411][ T74] ___sys_sendmsg+0xee/0x170 [ 5591.712411][ T74] __sys_sendmsg+0xcd/0x170 [ 5591.712411][ T74] do_syscall_64+0xc6/0x1e0 [ 5591.712411][ T74] [ 5591.714396][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5591.714396][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5591.714396][ T74] ipv6_find_idev+0x102/0x170 [ 5591.714396][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5591.714396][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5591.714396][ T74] netlink_rcv_skb+0x130/0x360 [ 5591.714396][ T74] netlink_unicast+0x449/0x710 [ 5591.714396][ T74] netlink_sendmsg+0x723/0xbe0 [ 5591.714396][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5591.714396][ T74] ___sys_sendmsg+0xee/0x170 [ 5591.714396][ T74] __sys_sendmsg+0xcd/0x170 [ 5591.714396][ T74] do_syscall_64+0xc6/0x1e0 [ 5591.714396][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5591.714396][ T74] [ 5591.715949][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5591.715949][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5591.715949][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5591.715949][ T74] ipv6_find_idev+0x102/0x170 [ 5591.715949][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5591.715949][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5591.715949][ T74] netlink_rcv_skb+0x130/0x360 [ 5591.715949][ T74] netlink_unicast+0x449/0x710 [ 5591.715949][ T74] netlink_sendmsg+0x723/0xbe0 [ 5591.715949][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5591.715949][ T74] ___sys_sendmsg+0xee/0x170 [ 5591.715949][ T74] __sys_sendmsg+0xcd/0x170 [ 5591.715949][ T74] do_syscall_64+0xc6/0x1e0 [ 5591.715949][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5591.715949][ T74] [ 5591.717665][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5591.717953][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5591.717953][ T74] dst_init+0x84/0x4a0 [ 5591.717953][ T74] dst_alloc+0x97/0x150 [ 5591.717953][ T74] ip6_dst_alloc+0x23/0x90 [ 5591.717953][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5591.717953][ T74] ip6_pol_route+0x56f/0x840 [ 5591.717953][ T74] fib6_rule_lookup+0x456/0x630 [ 5591.717953][ T74] ip6_route_input+0x59c/0xa50 [ 5591.717953][ T74] ipv6_rcv+0x397/0x810 [ 5591.717953][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5591.717953][ T74] process_backlog+0x101/0x620 [ 5591.717953][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5591.717953][ T74] net_rx_action+0x495/0xbe0 [ 5591.717953][ T74] __do_softirq+0x1b5/0x7f6 [ 5591.717953][ T74] [ 5591.719604][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5591.719604][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5591.719604][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5591.719604][ T74] fib6_nh_init+0xa22/0x1580 [ 5591.719604][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5591.719604][ T74] ip6_route_add+0x1c/0x140 [ 5591.719604][ T74] inet6_rtm_newroute+0x104/0x110 [ 5591.719604][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5591.719604][ T74] netlink_rcv_skb+0x130/0x360 [ 5591.719604][ T74] netlink_unicast+0x449/0x710 [ 5591.719604][ T74] netlink_sendmsg+0x723/0xbe0 [ 5591.719604][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5591.719604][ T74] ___sys_sendmsg+0xee/0x170 [ 5591.719604][ T74] __sys_sendmsg+0xcd/0x170 [ 5591.719604][ T74] do_syscall_64+0xc6/0x1e0 [ 5591.719604][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5591.719604][ T74] [ 5591.721494][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5591.721494][ T74] netdev_get_by_index+0x5e/0x80 [ 5591.721494][ T74] fib6_nh_init+0x3d8/0x1580 [ 5591.721494][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5591.721494][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5591.721494][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5591.721494][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5591.721494][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5591.721494][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5591.721494][ T74] addrconf_dad_begin+0x310/0x670 [ 5591.721494][ T74] addrconf_dad_work+0x10b/0xab0 [ 5591.721494][ T74] process_one_work+0x84d/0x18a0 [ 5591.721494][ T74] worker_thread+0x587/0xd30 [ 5591.721494][ T74] kthread+0x28a/0x350 [ 5591.721494][ T74] ret_from_fork+0x31/0x70 [ 5591.721494][ T74] ret_from_fork_asm+0x1a/0x30 [ 5591.721494][ T74] [ 5591.723439][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5591.723439][ T74] netdev_get_by_index+0x5e/0x80 [ 5591.723439][ T74] fib6_nh_init+0x3d8/0x1580 [ 5591.723439][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5591.723439][ T74] ip6_route_add+0x1c/0x140 [ 5591.723439][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5591.723439][ T74] inet6_addr_add+0x4f8/0xa40 [ 5591.723439][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5591.723439][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5591.723439][ T74] netlink_rcv_skb+0x130/0x360 [ 5591.723439][ T74] netlink_unicast+0x449/0x710 [ 5591.723439][ T74] netlink_sendmsg+0x723/0xbe0 [ 5591.723439][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5591.723439][ T74] ___sys_sendmsg+0xee/0x170 [ 5591.723439][ T74] __sys_sendmsg+0xcd/0x170 [ 5591.723439][ T74] do_syscall_64+0xc6/0x1e0 [ 5591.723439][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5591.723439][ T74] [ 5591.725456][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5591.725456][ T74] netdev_get_by_index+0x5e/0x80 [ 5591.725456][ T74] fib6_nh_init+0x3d8/0x1580 [ 5591.725456][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5591.725456][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5591.725456][ T74] ipv6_add_addr+0x411/0x2000 [ 5591.725456][ T74] inet6_addr_add+0x30e/0xa40 [ 5591.725456][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5591.725456][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5591.725456][ T74] netlink_rcv_skb+0x130/0x360 [ 5591.725456][ T74] netlink_unicast+0x449/0x710 [ 5591.725456][ T74] netlink_sendmsg+0x723/0xbe0 [ 5591.725456][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5591.725456][ T74] ___sys_sendmsg+0xee/0x170 [ 5591.725456][ T74] __sys_sendmsg+0xcd/0x170 [ 5591.725456][ T74] do_syscall_64+0xc6/0x1e0 [ 5591.725456][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5591.725456][ T74] [ 5591.727478][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5591.727478][ T74] netdev_get_by_index+0x5e/0x80 [ 5591.727478][ T74] fib6_nh_init+0x3d8/0x1580 [ 5591.727478][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5591.727478][ T74] ip6_route_add+0x1c/0x140 [ 5591.727478][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5591.727478][ T74] addrconf_add_dev+0xe2/0x170 [ 5591.727478][ T74] inet6_addr_add+0x12f/0xa40 [ 5591.727478][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5591.727478][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5591.727478][ T74] netlink_rcv_skb+0x130/0x360 [ 5591.727478][ T74] netlink_unicast+0x449/0x710 [ 5591.727478][ T74] netlink_sendmsg+0x723/0xbe0 [ 5591.727478][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5591.727478][ T74] ___sys_sendmsg+0xee/0x170 [ 5591.727478][ T74] __sys_sendmsg+0xcd/0x170 [ 5591.727478][ T74] do_syscall_64+0xc6/0x1e0 [ 5591.727478][ T74] [ 5591.729513][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5591.729513][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5591.729513][ T74] ipv6_find_idev+0x102/0x170 [ 5591.729513][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5591.729513][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5591.729513][ T74] netlink_rcv_skb+0x130/0x360 [ 5591.729513][ T74] netlink_unicast+0x449/0x710 [ 5591.729513][ T74] netlink_sendmsg+0x723/0xbe0 [ 5591.729513][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5591.729513][ T74] ___sys_sendmsg+0xee/0x170 [ 5591.729513][ T74] __sys_sendmsg+0xcd/0x170 [ 5591.729513][ T74] do_syscall_64+0xc6/0x1e0 [ 5591.729513][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5591.729513][ T74] [ 5591.731259][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5591.731259][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5591.731259][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5591.731259][ T74] ipv6_find_idev+0x102/0x170 [ 5591.731259][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5591.731259][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5591.731259][ T74] netlink_rcv_skb+0x130/0x360 [ 5591.731259][ T74] netlink_unicast+0x449/0x710 [ 5591.731259][ T74] netlink_sendmsg+0x723/0xbe0 [ 5591.731259][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5591.731259][ T74] ___sys_sendmsg+0xee/0x170 [ 5591.731259][ T74] __sys_sendmsg+0xcd/0x170 [ 5591.731259][ T74] do_syscall_64+0xc6/0x1e0 [ 5591.731259][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5591.731259][ T74] [ 5591.733181][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5591.733488][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5591.733488][ T74] netdev_get_by_index+0x5e/0x80 [ 5591.733488][ T74] fib6_nh_init+0x3d8/0x1580 [ 5591.733488][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5591.733488][ T74] ip6_route_add+0x1c/0x140 [ 5591.733488][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5591.733488][ T74] inet6_addr_add+0x4f8/0xa40 [ 5591.733488][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5591.733488][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5591.733488][ T74] netlink_rcv_skb+0x130/0x360 [ 5591.733488][ T74] netlink_unicast+0x449/0x710 [ 5591.733488][ T74] netlink_sendmsg+0x723/0xbe0 [ 5591.733488][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5591.733488][ T74] ___sys_sendmsg+0xee/0x170 [ 5591.733488][ T74] __sys_sendmsg+0xcd/0x170 [ 5591.733488][ T74] do_syscall_64+0xc6/0x1e0 [ 5591.733488][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5591.733488][ T74] [ 5591.735765][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5591.735765][ T74] netdev_get_by_index+0x5e/0x80 [ 5591.735765][ T74] fib6_nh_init+0x3d8/0x1580 [ 5591.735765][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5591.735765][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5591.735765][ T74] ipv6_add_addr+0x411/0x2000 [ 5591.735765][ T74] inet6_addr_add+0x30e/0xa40 [ 5591.735765][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5591.735765][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5591.735765][ T74] netlink_rcv_skb+0x130/0x360 [ 5591.735765][ T74] netlink_unicast+0x449/0x710 [ 5591.735765][ T74] netlink_sendmsg+0x723/0xbe0 [ 5591.735765][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5591.735765][ T74] ___sys_sendmsg+0xee/0x170 [ 5591.735765][ T74] __sys_sendmsg+0xcd/0x170 [ 5591.735765][ T74] do_syscall_64+0xc6/0x1e0 [ 5591.735765][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5591.735765][ T74] [ 5591.738021][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5591.738021][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5591.738021][ T74] ipv6_find_idev+0x102/0x170 [ 5591.738021][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5591.738021][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5591.738021][ T74] netlink_rcv_skb+0x130/0x360 [ 5591.738021][ T74] netlink_unicast+0x449/0x710 [ 5591.738021][ T74] netlink_sendmsg+0x723/0xbe0 [ 5591.738021][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5591.738021][ T74] ___sys_sendmsg+0xee/0x170 [ 5591.738021][ T74] __sys_sendmsg+0xcd/0x170 [ 5591.738021][ T74] do_syscall_64+0xc6/0x1e0 [ 5591.738021][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5591.738021][ T74] [ 5591.739750][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5591.739750][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5591.739750][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5591.739750][ T74] ipv6_find_idev+0x102/0x170 [ 5591.739750][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5591.739750][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5591.739750][ T74] netlink_rcv_skb+0x130/0x360 [ 5591.739750][ T74] netlink_unicast+0x449/0x710 [ 5591.739750][ T74] netlink_sendmsg+0x723/0xbe0 [ 5591.739750][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5591.739750][ T74] ___sys_sendmsg+0xee/0x170 [ 5591.739750][ T74] __sys_sendmsg+0xcd/0x170 [ 5591.739750][ T74] do_syscall_64+0xc6/0x1e0 [ 5591.739750][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5591.739750][ T74] [ 5601.983962][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5601.984425][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5601.984425][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5601.984425][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5601.984425][ T74] fib6_nh_init+0xa22/0x1580 [ 5601.984425][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5601.984425][ T74] ip6_route_add+0x1c/0x140 [ 5601.984425][ T74] inet6_rtm_newroute+0x104/0x110 [ 5601.984425][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5601.984425][ T74] netlink_rcv_skb+0x130/0x360 [ 5601.984425][ T74] netlink_unicast+0x449/0x710 [ 5601.984425][ T74] netlink_sendmsg+0x723/0xbe0 [ 5601.984425][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5601.984425][ T74] ___sys_sendmsg+0xee/0x170 [ 5601.984425][ T74] __sys_sendmsg+0xcd/0x170 [ 5601.984425][ T74] do_syscall_64+0xc6/0x1e0 [ 5601.984425][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5601.984425][ T74] [ 5601.986354][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5601.986354][ T74] netdev_get_by_index+0x5e/0x80 [ 5601.986354][ T74] fib6_nh_init+0x3d8/0x1580 [ 5601.986354][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5601.986354][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5601.986354][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5601.986354][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5601.986354][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5601.986354][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5601.986354][ T74] addrconf_dad_begin+0x310/0x670 [ 5601.986354][ T74] addrconf_dad_work+0x10b/0xab0 [ 5601.986354][ T74] process_one_work+0x84d/0x18a0 [ 5601.986354][ T74] worker_thread+0x587/0xd30 [ 5601.986354][ T74] kthread+0x28a/0x350 [ 5601.986354][ T74] ret_from_fork+0x31/0x70 [ 5601.986354][ T74] ret_from_fork_asm+0x1a/0x30 [ 5601.986354][ T74] [ 5601.988289][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5601.988289][ T74] netdev_get_by_index+0x5e/0x80 [ 5601.988289][ T74] fib6_nh_init+0x3d8/0x1580 [ 5601.988289][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5601.988289][ T74] ip6_route_add+0x1c/0x140 [ 5601.988289][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5601.988289][ T74] inet6_addr_add+0x4f8/0xa40 [ 5601.988289][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5601.988289][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5601.988289][ T74] netlink_rcv_skb+0x130/0x360 [ 5601.988289][ T74] netlink_unicast+0x449/0x710 [ 5601.988289][ T74] netlink_sendmsg+0x723/0xbe0 [ 5601.988289][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5601.988289][ T74] ___sys_sendmsg+0xee/0x170 [ 5601.988289][ T74] __sys_sendmsg+0xcd/0x170 [ 5601.988289][ T74] do_syscall_64+0xc6/0x1e0 [ 5601.988289][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5601.988289][ T74] [ 5601.990308][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5601.990308][ T74] netdev_get_by_index+0x5e/0x80 [ 5601.990308][ T74] fib6_nh_init+0x3d8/0x1580 [ 5601.990308][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5601.990308][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5601.990308][ T74] ipv6_add_addr+0x411/0x2000 [ 5601.990308][ T74] inet6_addr_add+0x30e/0xa40 [ 5601.990308][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5601.990308][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5601.990308][ T74] netlink_rcv_skb+0x130/0x360 [ 5601.990308][ T74] netlink_unicast+0x449/0x710 [ 5601.990308][ T74] netlink_sendmsg+0x723/0xbe0 [ 5601.990308][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5601.990308][ T74] ___sys_sendmsg+0xee/0x170 [ 5601.990308][ T74] __sys_sendmsg+0xcd/0x170 [ 5601.990308][ T74] do_syscall_64+0xc6/0x1e0 [ 5601.990308][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5601.990308][ T74] [ 5601.992356][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5601.992356][ T74] netdev_get_by_index+0x5e/0x80 [ 5601.992356][ T74] fib6_nh_init+0x3d8/0x1580 [ 5601.992356][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5601.992356][ T74] ip6_route_add+0x1c/0x140 [ 5601.992356][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5601.992356][ T74] addrconf_add_dev+0xe2/0x170 [ 5601.992356][ T74] inet6_addr_add+0x12f/0xa40 [ 5601.992356][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5601.992356][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5601.992356][ T74] netlink_rcv_skb+0x130/0x360 [ 5601.992356][ T74] netlink_unicast+0x449/0x710 [ 5601.992356][ T74] netlink_sendmsg+0x723/0xbe0 [ 5601.992356][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5601.992356][ T74] ___sys_sendmsg+0xee/0x170 [ 5601.992356][ T74] __sys_sendmsg+0xcd/0x170 [ 5601.992356][ T74] do_syscall_64+0xc6/0x1e0 [ 5601.992356][ T74] [ 5601.994339][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5601.994339][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5601.994339][ T74] ipv6_find_idev+0x102/0x170 [ 5601.994339][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5601.994339][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5601.994339][ T74] netlink_rcv_skb+0x130/0x360 [ 5601.994339][ T74] netlink_unicast+0x449/0x710 [ 5601.994339][ T74] netlink_sendmsg+0x723/0xbe0 [ 5601.994339][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5601.994339][ T74] ___sys_sendmsg+0xee/0x170 [ 5601.994339][ T74] __sys_sendmsg+0xcd/0x170 [ 5601.994339][ T74] do_syscall_64+0xc6/0x1e0 [ 5601.994339][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5601.994339][ T74] [ 5601.995890][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5601.995890][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5601.995890][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5601.995890][ T74] ipv6_find_idev+0x102/0x170 [ 5601.995890][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5601.995890][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5601.995890][ T74] netlink_rcv_skb+0x130/0x360 [ 5601.995890][ T74] netlink_unicast+0x449/0x710 [ 5601.995890][ T74] netlink_sendmsg+0x723/0xbe0 [ 5601.995890][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5601.995890][ T74] ___sys_sendmsg+0xee/0x170 [ 5601.995890][ T74] __sys_sendmsg+0xcd/0x170 [ 5601.995890][ T74] do_syscall_64+0xc6/0x1e0 [ 5601.995890][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5601.995890][ T74] [ 5601.997606][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5601.997886][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5601.997886][ T74] dst_init+0x84/0x4a0 [ 5601.997886][ T74] dst_alloc+0x97/0x150 [ 5601.997886][ T74] ip6_dst_alloc+0x23/0x90 [ 5601.997886][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5601.997886][ T74] ip6_pol_route+0x56f/0x840 [ 5601.997886][ T74] fib6_rule_lookup+0x456/0x630 [ 5601.997886][ T74] ip6_route_input+0x59c/0xa50 [ 5601.997886][ T74] ipv6_rcv+0x397/0x810 [ 5601.997886][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5601.997886][ T74] process_backlog+0x101/0x620 [ 5601.997886][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5601.997886][ T74] net_rx_action+0x495/0xbe0 [ 5601.997886][ T74] __do_softirq+0x1b5/0x7f6 [ 5601.997886][ T74] [ 5601.999539][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5601.999539][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5601.999539][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5601.999539][ T74] fib6_nh_init+0xa22/0x1580 [ 5601.999539][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5601.999539][ T74] ip6_route_add+0x1c/0x140 [ 5601.999539][ T74] inet6_rtm_newroute+0x104/0x110 [ 5601.999539][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5601.999539][ T74] netlink_rcv_skb+0x130/0x360 [ 5601.999539][ T74] netlink_unicast+0x449/0x710 [ 5601.999539][ T74] netlink_sendmsg+0x723/0xbe0 [ 5601.999539][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5601.999539][ T74] ___sys_sendmsg+0xee/0x170 [ 5601.999539][ T74] __sys_sendmsg+0xcd/0x170 [ 5601.999539][ T74] do_syscall_64+0xc6/0x1e0 [ 5601.999539][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5601.999539][ T74] [ 5602.001443][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5602.001443][ T74] netdev_get_by_index+0x5e/0x80 [ 5602.001443][ T74] fib6_nh_init+0x3d8/0x1580 [ 5602.001443][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5602.001443][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5602.001443][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5602.001443][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5602.001443][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5602.001443][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5602.001443][ T74] addrconf_dad_begin+0x310/0x670 [ 5602.001443][ T74] addrconf_dad_work+0x10b/0xab0 [ 5602.001443][ T74] process_one_work+0x84d/0x18a0 [ 5602.001443][ T74] worker_thread+0x587/0xd30 [ 5602.001443][ T74] kthread+0x28a/0x350 [ 5602.001443][ T74] ret_from_fork+0x31/0x70 [ 5602.001443][ T74] ret_from_fork_asm+0x1a/0x30 [ 5602.001443][ T74] [ 5602.003389][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5602.003389][ T74] netdev_get_by_index+0x5e/0x80 [ 5602.003389][ T74] fib6_nh_init+0x3d8/0x1580 [ 5602.003389][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5602.003389][ T74] ip6_route_add+0x1c/0x140 [ 5602.003389][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5602.003389][ T74] inet6_addr_add+0x4f8/0xa40 [ 5602.003389][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5602.003389][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5602.003389][ T74] netlink_rcv_skb+0x130/0x360 [ 5602.003389][ T74] netlink_unicast+0x449/0x710 [ 5602.003389][ T74] netlink_sendmsg+0x723/0xbe0 [ 5602.003389][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5602.003389][ T74] ___sys_sendmsg+0xee/0x170 [ 5602.003389][ T74] __sys_sendmsg+0xcd/0x170 [ 5602.003389][ T74] do_syscall_64+0xc6/0x1e0 [ 5602.003389][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5602.003389][ T74] [ 5602.005416][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5602.005416][ T74] netdev_get_by_index+0x5e/0x80 [ 5602.005416][ T74] fib6_nh_init+0x3d8/0x1580 [ 5602.005416][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5602.005416][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5602.005416][ T74] ipv6_add_addr+0x411/0x2000 [ 5602.005416][ T74] inet6_addr_add+0x30e/0xa40 [ 5602.005416][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5602.005416][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5602.005416][ T74] netlink_rcv_skb+0x130/0x360 [ 5602.005416][ T74] netlink_unicast+0x449/0x710 [ 5602.005416][ T74] netlink_sendmsg+0x723/0xbe0 [ 5602.005416][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5602.005416][ T74] ___sys_sendmsg+0xee/0x170 [ 5602.005416][ T74] __sys_sendmsg+0xcd/0x170 [ 5602.005416][ T74] do_syscall_64+0xc6/0x1e0 [ 5602.005416][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5602.005416][ T74] [ 5602.007438][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5602.007438][ T74] netdev_get_by_index+0x5e/0x80 [ 5602.007438][ T74] fib6_nh_init+0x3d8/0x1580 [ 5602.007438][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5602.007438][ T74] ip6_route_add+0x1c/0x140 [ 5602.007438][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5602.007438][ T74] addrconf_add_dev+0xe2/0x170 [ 5602.007438][ T74] inet6_addr_add+0x12f/0xa40 [ 5602.007438][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5602.007438][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5602.007438][ T74] netlink_rcv_skb+0x130/0x360 [ 5602.007438][ T74] netlink_unicast+0x449/0x710 [ 5602.007438][ T74] netlink_sendmsg+0x723/0xbe0 [ 5602.007438][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5602.007438][ T74] ___sys_sendmsg+0xee/0x170 [ 5602.007438][ T74] __sys_sendmsg+0xcd/0x170 [ 5602.007438][ T74] do_syscall_64+0xc6/0x1e0 [ 5602.007438][ T74] [ 5602.009418][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5602.009418][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5602.009418][ T74] ipv6_find_idev+0x102/0x170 [ 5602.009418][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5602.009418][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5602.009418][ T74] netlink_rcv_skb+0x130/0x360 [ 5602.009418][ T74] netlink_unicast+0x449/0x710 [ 5602.009418][ T74] netlink_sendmsg+0x723/0xbe0 [ 5602.009418][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5602.009418][ T74] ___sys_sendmsg+0xee/0x170 [ 5602.009418][ T74] __sys_sendmsg+0xcd/0x170 [ 5602.009418][ T74] do_syscall_64+0xc6/0x1e0 [ 5602.009418][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5602.009418][ T74] [ 5602.011171][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5602.011171][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5602.011171][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5602.011171][ T74] ipv6_find_idev+0x102/0x170 [ 5602.011171][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5602.011171][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5602.011171][ T74] netlink_rcv_skb+0x130/0x360 [ 5602.011171][ T74] netlink_unicast+0x449/0x710 [ 5602.011171][ T74] netlink_sendmsg+0x723/0xbe0 [ 5602.011171][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5602.011171][ T74] ___sys_sendmsg+0xee/0x170 [ 5602.011171][ T74] __sys_sendmsg+0xcd/0x170 [ 5602.011171][ T74] do_syscall_64+0xc6/0x1e0 [ 5602.011171][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5602.011171][ T74] [ 5602.013132][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5602.013434][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5602.013434][ T74] netdev_get_by_index+0x5e/0x80 [ 5602.013434][ T74] fib6_nh_init+0x3d8/0x1580 [ 5602.013434][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5602.013434][ T74] ip6_route_add+0x1c/0x140 [ 5602.013434][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5602.013434][ T74] inet6_addr_add+0x4f8/0xa40 [ 5602.013434][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5602.013434][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5602.013434][ T74] netlink_rcv_skb+0x130/0x360 [ 5602.013434][ T74] netlink_unicast+0x449/0x710 [ 5602.013434][ T74] netlink_sendmsg+0x723/0xbe0 [ 5602.013434][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5602.013434][ T74] ___sys_sendmsg+0xee/0x170 [ 5602.013434][ T74] __sys_sendmsg+0xcd/0x170 [ 5602.013434][ T74] do_syscall_64+0xc6/0x1e0 [ 5602.013434][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5602.013434][ T74] [ 5602.015634][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5602.015634][ T74] netdev_get_by_index+0x5e/0x80 [ 5602.015634][ T74] fib6_nh_init+0x3d8/0x1580 [ 5602.015634][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5602.015634][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5602.015634][ T74] ipv6_add_addr+0x411/0x2000 [ 5602.015634][ T74] inet6_addr_add+0x30e/0xa40 [ 5602.015634][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5602.015634][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5602.015634][ T74] netlink_rcv_skb+0x130/0x360 [ 5602.015634][ T74] netlink_unicast+0x449/0x710 [ 5602.015634][ T74] netlink_sendmsg+0x723/0xbe0 [ 5602.015634][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5602.015634][ T74] ___sys_sendmsg+0xee/0x170 [ 5602.015634][ T74] __sys_sendmsg+0xcd/0x170 [ 5602.015634][ T74] do_syscall_64+0xc6/0x1e0 [ 5602.015634][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5602.015634][ T74] [ 5602.017879][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5602.017879][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5602.017879][ T74] ipv6_find_idev+0x102/0x170 [ 5602.017879][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5602.017879][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5602.017879][ T74] netlink_rcv_skb+0x130/0x360 [ 5602.017879][ T74] netlink_unicast+0x449/0x710 [ 5602.017879][ T74] netlink_sendmsg+0x723/0xbe0 [ 5602.017879][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5602.017879][ T74] ___sys_sendmsg+0xee/0x170 [ 5602.017879][ T74] __sys_sendmsg+0xcd/0x170 [ 5602.017879][ T74] do_syscall_64+0xc6/0x1e0 [ 5602.017879][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5602.017879][ T74] [ 5602.019612][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5602.019612][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5602.019612][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5602.019612][ T74] ipv6_find_idev+0x102/0x170 [ 5602.019612][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5602.019612][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5602.019612][ T74] netlink_rcv_skb+0x130/0x360 [ 5602.019612][ T74] netlink_unicast+0x449/0x710 [ 5602.019612][ T74] netlink_sendmsg+0x723/0xbe0 [ 5602.019612][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5602.019612][ T74] ___sys_sendmsg+0xee/0x170 [ 5602.019612][ T74] __sys_sendmsg+0xcd/0x170 [ 5602.019612][ T74] do_syscall_64+0xc6/0x1e0 [ 5602.019612][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5602.019612][ T74] [ 5612.263956][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5612.264393][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5612.264393][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5612.264393][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5612.264393][ T74] fib6_nh_init+0xa22/0x1580 [ 5612.264393][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5612.264393][ T74] ip6_route_add+0x1c/0x140 [ 5612.264393][ T74] inet6_rtm_newroute+0x104/0x110 [ 5612.264393][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5612.264393][ T74] netlink_rcv_skb+0x130/0x360 [ 5612.264393][ T74] netlink_unicast+0x449/0x710 [ 5612.264393][ T74] netlink_sendmsg+0x723/0xbe0 [ 5612.264393][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5612.264393][ T74] ___sys_sendmsg+0xee/0x170 [ 5612.264393][ T74] __sys_sendmsg+0xcd/0x170 [ 5612.264393][ T74] do_syscall_64+0xc6/0x1e0 [ 5612.264393][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5612.264393][ T74] [ 5612.266282][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5612.266282][ T74] netdev_get_by_index+0x5e/0x80 [ 5612.266282][ T74] fib6_nh_init+0x3d8/0x1580 [ 5612.266282][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5612.266282][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5612.266282][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5612.266282][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5612.266282][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5612.266282][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5612.266282][ T74] addrconf_dad_begin+0x310/0x670 [ 5612.266282][ T74] addrconf_dad_work+0x10b/0xab0 [ 5612.266282][ T74] process_one_work+0x84d/0x18a0 [ 5612.266282][ T74] worker_thread+0x587/0xd30 [ 5612.266282][ T74] kthread+0x28a/0x350 [ 5612.266282][ T74] ret_from_fork+0x31/0x70 [ 5612.266282][ T74] ret_from_fork_asm+0x1a/0x30 [ 5612.266282][ T74] [ 5612.268191][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5612.268191][ T74] netdev_get_by_index+0x5e/0x80 [ 5612.268191][ T74] fib6_nh_init+0x3d8/0x1580 [ 5612.268191][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5612.268191][ T74] ip6_route_add+0x1c/0x140 [ 5612.268191][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5612.268191][ T74] inet6_addr_add+0x4f8/0xa40 [ 5612.268191][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5612.268191][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5612.268191][ T74] netlink_rcv_skb+0x130/0x360 [ 5612.268191][ T74] netlink_unicast+0x449/0x710 [ 5612.268191][ T74] netlink_sendmsg+0x723/0xbe0 [ 5612.268191][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5612.268191][ T74] ___sys_sendmsg+0xee/0x170 [ 5612.268191][ T74] __sys_sendmsg+0xcd/0x170 [ 5612.268191][ T74] do_syscall_64+0xc6/0x1e0 [ 5612.268191][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5612.268191][ T74] [ 5612.270187][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5612.270187][ T74] netdev_get_by_index+0x5e/0x80 [ 5612.270187][ T74] fib6_nh_init+0x3d8/0x1580 [ 5612.270187][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5612.270187][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5612.270187][ T74] ipv6_add_addr+0x411/0x2000 [ 5612.270187][ T74] inet6_addr_add+0x30e/0xa40 [ 5612.270187][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5612.270187][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5612.270187][ T74] netlink_rcv_skb+0x130/0x360 [ 5612.270187][ T74] netlink_unicast+0x449/0x710 [ 5612.270187][ T74] netlink_sendmsg+0x723/0xbe0 [ 5612.270187][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5612.270187][ T74] ___sys_sendmsg+0xee/0x170 [ 5612.270187][ T74] __sys_sendmsg+0xcd/0x170 [ 5612.270187][ T74] do_syscall_64+0xc6/0x1e0 [ 5612.270187][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5612.270187][ T74] [ 5612.272193][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5612.272193][ T74] netdev_get_by_index+0x5e/0x80 [ 5612.272193][ T74] fib6_nh_init+0x3d8/0x1580 [ 5612.272193][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5612.272193][ T74] ip6_route_add+0x1c/0x140 [ 5612.272193][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5612.272193][ T74] addrconf_add_dev+0xe2/0x170 [ 5612.272193][ T74] inet6_addr_add+0x12f/0xa40 [ 5612.272193][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5612.272193][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5612.272193][ T74] netlink_rcv_skb+0x130/0x360 [ 5612.272193][ T74] netlink_unicast+0x449/0x710 [ 5612.272193][ T74] netlink_sendmsg+0x723/0xbe0 [ 5612.272193][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5612.272193][ T74] ___sys_sendmsg+0xee/0x170 [ 5612.272193][ T74] __sys_sendmsg+0xcd/0x170 [ 5612.272193][ T74] do_syscall_64+0xc6/0x1e0 [ 5612.272193][ T74] [ 5612.274149][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5612.274149][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5612.274149][ T74] ipv6_find_idev+0x102/0x170 [ 5612.274149][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5612.274149][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5612.274149][ T74] netlink_rcv_skb+0x130/0x360 [ 5612.274149][ T74] netlink_unicast+0x449/0x710 [ 5612.274149][ T74] netlink_sendmsg+0x723/0xbe0 [ 5612.274149][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5612.274149][ T74] ___sys_sendmsg+0xee/0x170 [ 5612.274149][ T74] __sys_sendmsg+0xcd/0x170 [ 5612.274149][ T74] do_syscall_64+0xc6/0x1e0 [ 5612.274149][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5612.274149][ T74] [ 5612.275711][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5612.275711][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5612.275711][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5612.275711][ T74] ipv6_find_idev+0x102/0x170 [ 5612.275711][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5612.275711][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5612.275711][ T74] netlink_rcv_skb+0x130/0x360 [ 5612.275711][ T74] netlink_unicast+0x449/0x710 [ 5612.275711][ T74] netlink_sendmsg+0x723/0xbe0 [ 5612.275711][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5612.275711][ T74] ___sys_sendmsg+0xee/0x170 [ 5612.275711][ T74] __sys_sendmsg+0xcd/0x170 [ 5612.275711][ T74] do_syscall_64+0xc6/0x1e0 [ 5612.275711][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5612.275711][ T74] [ 5612.277397][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5612.277669][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5612.277669][ T74] dst_init+0x84/0x4a0 [ 5612.277669][ T74] dst_alloc+0x97/0x150 [ 5612.277669][ T74] ip6_dst_alloc+0x23/0x90 [ 5612.277669][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5612.277669][ T74] ip6_pol_route+0x56f/0x840 [ 5612.277669][ T74] fib6_rule_lookup+0x456/0x630 [ 5612.277669][ T74] ip6_route_input+0x59c/0xa50 [ 5612.277669][ T74] ipv6_rcv+0x397/0x810 [ 5612.277669][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5612.277669][ T74] process_backlog+0x101/0x620 [ 5612.277669][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5612.277669][ T74] net_rx_action+0x495/0xbe0 [ 5612.277669][ T74] __do_softirq+0x1b5/0x7f6 [ 5612.277669][ T74] [ 5612.279294][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5612.279294][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5612.279294][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5612.279294][ T74] fib6_nh_init+0xa22/0x1580 [ 5612.279294][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5612.279294][ T74] ip6_route_add+0x1c/0x140 [ 5612.279294][ T74] inet6_rtm_newroute+0x104/0x110 [ 5612.279294][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5612.279294][ T74] netlink_rcv_skb+0x130/0x360 [ 5612.279294][ T74] netlink_unicast+0x449/0x710 [ 5612.279294][ T74] netlink_sendmsg+0x723/0xbe0 [ 5612.279294][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5612.279294][ T74] ___sys_sendmsg+0xee/0x170 [ 5612.279294][ T74] __sys_sendmsg+0xcd/0x170 [ 5612.279294][ T74] do_syscall_64+0xc6/0x1e0 [ 5612.279294][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5612.279294][ T74] [ 5612.281149][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5612.281149][ T74] netdev_get_by_index+0x5e/0x80 [ 5612.281149][ T74] fib6_nh_init+0x3d8/0x1580 [ 5612.281149][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5612.281149][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5612.281149][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5612.281149][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5612.281149][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5612.281149][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5612.281149][ T74] addrconf_dad_begin+0x310/0x670 [ 5612.281149][ T74] addrconf_dad_work+0x10b/0xab0 [ 5612.281149][ T74] process_one_work+0x84d/0x18a0 [ 5612.281149][ T74] worker_thread+0x587/0xd30 [ 5612.281149][ T74] kthread+0x28a/0x350 [ 5612.281149][ T74] ret_from_fork+0x31/0x70 [ 5612.281149][ T74] ret_from_fork_asm+0x1a/0x30 [ 5612.281149][ T74] [ 5612.283048][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5612.283048][ T74] netdev_get_by_index+0x5e/0x80 [ 5612.283048][ T74] fib6_nh_init+0x3d8/0x1580 [ 5612.283048][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5612.283048][ T74] ip6_route_add+0x1c/0x140 [ 5612.283048][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5612.283048][ T74] inet6_addr_add+0x4f8/0xa40 [ 5612.283048][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5612.283048][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5612.283048][ T74] netlink_rcv_skb+0x130/0x360 [ 5612.283048][ T74] netlink_unicast+0x449/0x710 [ 5612.283048][ T74] netlink_sendmsg+0x723/0xbe0 [ 5612.283048][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5612.283048][ T74] ___sys_sendmsg+0xee/0x170 [ 5612.283048][ T74] __sys_sendmsg+0xcd/0x170 [ 5612.283048][ T74] do_syscall_64+0xc6/0x1e0 [ 5612.283048][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5612.283048][ T74] [ 5612.285115][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5612.285115][ T74] netdev_get_by_index+0x5e/0x80 [ 5612.285115][ T74] fib6_nh_init+0x3d8/0x1580 [ 5612.285115][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5612.285115][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5612.285115][ T74] ipv6_add_addr+0x411/0x2000 [ 5612.285115][ T74] inet6_addr_add+0x30e/0xa40 [ 5612.285115][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5612.285115][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5612.285115][ T74] netlink_rcv_skb+0x130/0x360 [ 5612.285115][ T74] netlink_unicast+0x449/0x710 [ 5612.285115][ T74] netlink_sendmsg+0x723/0xbe0 [ 5612.285115][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5612.285115][ T74] ___sys_sendmsg+0xee/0x170 [ 5612.285115][ T74] __sys_sendmsg+0xcd/0x170 [ 5612.285115][ T74] do_syscall_64+0xc6/0x1e0 [ 5612.285115][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5612.285115][ T74] [ 5612.287098][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5612.287098][ T74] netdev_get_by_index+0x5e/0x80 [ 5612.287098][ T74] fib6_nh_init+0x3d8/0x1580 [ 5612.287098][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5612.287098][ T74] ip6_route_add+0x1c/0x140 [ 5612.287098][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5612.287098][ T74] addrconf_add_dev+0xe2/0x170 [ 5612.287098][ T74] inet6_addr_add+0x12f/0xa40 [ 5612.287098][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5612.287098][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5612.287098][ T74] netlink_rcv_skb+0x130/0x360 [ 5612.287098][ T74] netlink_unicast+0x449/0x710 [ 5612.287098][ T74] netlink_sendmsg+0x723/0xbe0 [ 5612.287098][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5612.287098][ T74] ___sys_sendmsg+0xee/0x170 [ 5612.287098][ T74] __sys_sendmsg+0xcd/0x170 [ 5612.287098][ T74] do_syscall_64+0xc6/0x1e0 [ 5612.287098][ T74] [ 5612.289043][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5612.289043][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5612.289043][ T74] ipv6_find_idev+0x102/0x170 [ 5612.289043][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5612.289043][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5612.289043][ T74] netlink_rcv_skb+0x130/0x360 [ 5612.289043][ T74] netlink_unicast+0x449/0x710 [ 5612.289043][ T74] netlink_sendmsg+0x723/0xbe0 [ 5612.289043][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5612.289043][ T74] ___sys_sendmsg+0xee/0x170 [ 5612.289043][ T74] __sys_sendmsg+0xcd/0x170 [ 5612.289043][ T74] do_syscall_64+0xc6/0x1e0 [ 5612.289043][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5612.289043][ T74] [ 5612.290630][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5612.290630][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5612.290630][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5612.290630][ T74] ipv6_find_idev+0x102/0x170 [ 5612.290630][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5612.290630][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5612.290630][ T74] netlink_rcv_skb+0x130/0x360 [ 5612.290630][ T74] netlink_unicast+0x449/0x710 [ 5612.290630][ T74] netlink_sendmsg+0x723/0xbe0 [ 5612.290630][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5612.290630][ T74] ___sys_sendmsg+0xee/0x170 [ 5612.290630][ T74] __sys_sendmsg+0xcd/0x170 [ 5612.290630][ T74] do_syscall_64+0xc6/0x1e0 [ 5612.290630][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5612.290630][ T74] [ 5612.292594][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5612.292832][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5612.292832][ T74] netdev_get_by_index+0x5e/0x80 [ 5612.292832][ T74] fib6_nh_init+0x3d8/0x1580 [ 5612.292832][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5612.292832][ T74] ip6_route_add+0x1c/0x140 [ 5612.292832][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5612.292832][ T74] inet6_addr_add+0x4f8/0xa40 [ 5612.292832][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5612.292832][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5612.292832][ T74] netlink_rcv_skb+0x130/0x360 [ 5612.292832][ T74] netlink_unicast+0x449/0x710 [ 5612.292832][ T74] netlink_sendmsg+0x723/0xbe0 [ 5612.292832][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5612.292832][ T74] ___sys_sendmsg+0xee/0x170 [ 5612.292832][ T74] __sys_sendmsg+0xcd/0x170 [ 5612.292832][ T74] do_syscall_64+0xc6/0x1e0 [ 5612.292832][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5612.292832][ T74] [ 5612.295057][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5612.295057][ T74] netdev_get_by_index+0x5e/0x80 [ 5612.295057][ T74] fib6_nh_init+0x3d8/0x1580 [ 5612.295057][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5612.295057][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5612.295057][ T74] ipv6_add_addr+0x411/0x2000 [ 5612.295057][ T74] inet6_addr_add+0x30e/0xa40 [ 5612.295057][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5612.295057][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5612.295057][ T74] netlink_rcv_skb+0x130/0x360 [ 5612.295057][ T74] netlink_unicast+0x449/0x710 [ 5612.295057][ T74] netlink_sendmsg+0x723/0xbe0 [ 5612.295057][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5612.295057][ T74] ___sys_sendmsg+0xee/0x170 [ 5612.295057][ T74] __sys_sendmsg+0xcd/0x170 [ 5612.295057][ T74] do_syscall_64+0xc6/0x1e0 [ 5612.295057][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5612.295057][ T74] [ 5612.297270][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5612.297270][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5612.297270][ T74] ipv6_find_idev+0x102/0x170 [ 5612.297270][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5612.297270][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5612.297270][ T74] netlink_rcv_skb+0x130/0x360 [ 5612.297270][ T74] netlink_unicast+0x449/0x710 [ 5612.297270][ T74] netlink_sendmsg+0x723/0xbe0 [ 5612.297270][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5612.297270][ T74] ___sys_sendmsg+0xee/0x170 [ 5612.297270][ T74] __sys_sendmsg+0xcd/0x170 [ 5612.297270][ T74] do_syscall_64+0xc6/0x1e0 [ 5612.297270][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5612.297270][ T74] [ 5612.298917][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5612.298917][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5612.298917][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5612.298917][ T74] ipv6_find_idev+0x102/0x170 [ 5612.298917][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5612.298917][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5612.298917][ T74] netlink_rcv_skb+0x130/0x360 [ 5612.298917][ T74] netlink_unicast+0x449/0x710 [ 5612.298917][ T74] netlink_sendmsg+0x723/0xbe0 [ 5612.298917][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5612.298917][ T74] ___sys_sendmsg+0xee/0x170 [ 5612.298917][ T74] __sys_sendmsg+0xcd/0x170 [ 5612.298917][ T74] do_syscall_64+0xc6/0x1e0 [ 5612.298917][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5612.298917][ T74] [ 5622.535955][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5622.536376][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5622.536376][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5622.536376][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5622.536376][ T74] fib6_nh_init+0xa22/0x1580 [ 5622.536376][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5622.536376][ T74] ip6_route_add+0x1c/0x140 [ 5622.536376][ T74] inet6_rtm_newroute+0x104/0x110 [ 5622.536376][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5622.536376][ T74] netlink_rcv_skb+0x130/0x360 [ 5622.536376][ T74] netlink_unicast+0x449/0x710 [ 5622.536376][ T74] netlink_sendmsg+0x723/0xbe0 [ 5622.536376][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5622.536376][ T74] ___sys_sendmsg+0xee/0x170 [ 5622.536376][ T74] __sys_sendmsg+0xcd/0x170 [ 5622.536376][ T74] do_syscall_64+0xc6/0x1e0 [ 5622.536376][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5622.536376][ T74] [ 5622.538259][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5622.538259][ T74] netdev_get_by_index+0x5e/0x80 [ 5622.538259][ T74] fib6_nh_init+0x3d8/0x1580 [ 5622.538259][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5622.538259][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5622.538259][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5622.538259][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5622.538259][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5622.538259][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5622.538259][ T74] addrconf_dad_begin+0x310/0x670 [ 5622.538259][ T74] addrconf_dad_work+0x10b/0xab0 [ 5622.538259][ T74] process_one_work+0x84d/0x18a0 [ 5622.538259][ T74] worker_thread+0x587/0xd30 [ 5622.538259][ T74] kthread+0x28a/0x350 [ 5622.538259][ T74] ret_from_fork+0x31/0x70 [ 5622.538259][ T74] ret_from_fork_asm+0x1a/0x30 [ 5622.538259][ T74] [ 5622.540166][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5622.540166][ T74] netdev_get_by_index+0x5e/0x80 [ 5622.540166][ T74] fib6_nh_init+0x3d8/0x1580 [ 5622.540166][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5622.540166][ T74] ip6_route_add+0x1c/0x140 [ 5622.540166][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5622.540166][ T74] inet6_addr_add+0x4f8/0xa40 [ 5622.540166][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5622.540166][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5622.540166][ T74] netlink_rcv_skb+0x130/0x360 [ 5622.540166][ T74] netlink_unicast+0x449/0x710 [ 5622.540166][ T74] netlink_sendmsg+0x723/0xbe0 [ 5622.540166][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5622.540166][ T74] ___sys_sendmsg+0xee/0x170 [ 5622.540166][ T74] __sys_sendmsg+0xcd/0x170 [ 5622.540166][ T74] do_syscall_64+0xc6/0x1e0 [ 5622.540166][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5622.540166][ T74] [ 5622.542149][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5622.542149][ T74] netdev_get_by_index+0x5e/0x80 [ 5622.542149][ T74] fib6_nh_init+0x3d8/0x1580 [ 5622.542149][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5622.542149][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5622.542149][ T74] ipv6_add_addr+0x411/0x2000 [ 5622.542149][ T74] inet6_addr_add+0x30e/0xa40 [ 5622.542149][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5622.542149][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5622.542149][ T74] netlink_rcv_skb+0x130/0x360 [ 5622.542149][ T74] netlink_unicast+0x449/0x710 [ 5622.542149][ T74] netlink_sendmsg+0x723/0xbe0 [ 5622.542149][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5622.542149][ T74] ___sys_sendmsg+0xee/0x170 [ 5622.542149][ T74] __sys_sendmsg+0xcd/0x170 [ 5622.542149][ T74] do_syscall_64+0xc6/0x1e0 [ 5622.542149][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5622.542149][ T74] [ 5622.544127][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5622.544127][ T74] netdev_get_by_index+0x5e/0x80 [ 5622.544127][ T74] fib6_nh_init+0x3d8/0x1580 [ 5622.544127][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5622.544127][ T74] ip6_route_add+0x1c/0x140 [ 5622.544127][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5622.544127][ T74] addrconf_add_dev+0xe2/0x170 [ 5622.544127][ T74] inet6_addr_add+0x12f/0xa40 [ 5622.544127][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5622.544127][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5622.544127][ T74] netlink_rcv_skb+0x130/0x360 [ 5622.544127][ T74] netlink_unicast+0x449/0x710 [ 5622.544127][ T74] netlink_sendmsg+0x723/0xbe0 [ 5622.544127][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5622.544127][ T74] ___sys_sendmsg+0xee/0x170 [ 5622.544127][ T74] __sys_sendmsg+0xcd/0x170 [ 5622.544127][ T74] do_syscall_64+0xc6/0x1e0 [ 5622.544127][ T74] [ 5622.546180][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5622.546180][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5622.546180][ T74] ipv6_find_idev+0x102/0x170 [ 5622.546180][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5622.546180][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5622.546180][ T74] netlink_rcv_skb+0x130/0x360 [ 5622.546180][ T74] netlink_unicast+0x449/0x710 [ 5622.546180][ T74] netlink_sendmsg+0x723/0xbe0 [ 5622.546180][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5622.546180][ T74] ___sys_sendmsg+0xee/0x170 [ 5622.546180][ T74] __sys_sendmsg+0xcd/0x170 [ 5622.546180][ T74] do_syscall_64+0xc6/0x1e0 [ 5622.546180][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5622.546180][ T74] [ 5622.547708][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5622.547708][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5622.547708][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5622.547708][ T74] ipv6_find_idev+0x102/0x170 [ 5622.547708][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5622.547708][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5622.547708][ T74] netlink_rcv_skb+0x130/0x360 [ 5622.547708][ T74] netlink_unicast+0x449/0x710 [ 5622.547708][ T74] netlink_sendmsg+0x723/0xbe0 [ 5622.547708][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5622.547708][ T74] ___sys_sendmsg+0xee/0x170 [ 5622.547708][ T74] __sys_sendmsg+0xcd/0x170 [ 5622.547708][ T74] do_syscall_64+0xc6/0x1e0 [ 5622.547708][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5622.547708][ T74] [ 5622.549394][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5622.549665][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5622.549665][ T74] dst_init+0x84/0x4a0 [ 5622.549665][ T74] dst_alloc+0x97/0x150 [ 5622.549665][ T74] ip6_dst_alloc+0x23/0x90 [ 5622.549665][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5622.549665][ T74] ip6_pol_route+0x56f/0x840 [ 5622.549665][ T74] fib6_rule_lookup+0x456/0x630 [ 5622.549665][ T74] ip6_route_input+0x59c/0xa50 [ 5622.549665][ T74] ipv6_rcv+0x397/0x810 [ 5622.549665][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5622.549665][ T74] process_backlog+0x101/0x620 [ 5622.549665][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5622.549665][ T74] net_rx_action+0x495/0xbe0 [ 5622.549665][ T74] __do_softirq+0x1b5/0x7f6 [ 5622.549665][ T74] [ 5622.551294][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5622.551294][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5622.551294][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5622.551294][ T74] fib6_nh_init+0xa22/0x1580 [ 5622.551294][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5622.551294][ T74] ip6_route_add+0x1c/0x140 [ 5622.551294][ T74] inet6_rtm_newroute+0x104/0x110 [ 5622.551294][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5622.551294][ T74] netlink_rcv_skb+0x130/0x360 [ 5622.551294][ T74] netlink_unicast+0x449/0x710 [ 5622.551294][ T74] netlink_sendmsg+0x723/0xbe0 [ 5622.551294][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5622.551294][ T74] ___sys_sendmsg+0xee/0x170 [ 5622.551294][ T74] __sys_sendmsg+0xcd/0x170 [ 5622.551294][ T74] do_syscall_64+0xc6/0x1e0 [ 5622.551294][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5622.551294][ T74] [ 5622.553164][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5622.553164][ T74] netdev_get_by_index+0x5e/0x80 [ 5622.553164][ T74] fib6_nh_init+0x3d8/0x1580 [ 5622.553164][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5622.553164][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5622.553164][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5622.553164][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5622.553164][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5622.553164][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5622.553164][ T74] addrconf_dad_begin+0x310/0x670 [ 5622.553164][ T74] addrconf_dad_work+0x10b/0xab0 [ 5622.553164][ T74] process_one_work+0x84d/0x18a0 [ 5622.553164][ T74] worker_thread+0x587/0xd30 [ 5622.553164][ T74] kthread+0x28a/0x350 [ 5622.553164][ T74] ret_from_fork+0x31/0x70 [ 5622.553164][ T74] ret_from_fork_asm+0x1a/0x30 [ 5622.553164][ T74] [ 5622.555061][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5622.555061][ T74] netdev_get_by_index+0x5e/0x80 [ 5622.555061][ T74] fib6_nh_init+0x3d8/0x1580 [ 5622.555061][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5622.555061][ T74] ip6_route_add+0x1c/0x140 [ 5622.555061][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5622.555061][ T74] inet6_addr_add+0x4f8/0xa40 [ 5622.555061][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5622.555061][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5622.555061][ T74] netlink_rcv_skb+0x130/0x360 [ 5622.555061][ T74] netlink_unicast+0x449/0x710 [ 5622.555061][ T74] netlink_sendmsg+0x723/0xbe0 [ 5622.555061][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5622.555061][ T74] ___sys_sendmsg+0xee/0x170 [ 5622.555061][ T74] __sys_sendmsg+0xcd/0x170 [ 5622.555061][ T74] do_syscall_64+0xc6/0x1e0 [ 5622.555061][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5622.555061][ T74] [ 5622.557046][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5622.557046][ T74] netdev_get_by_index+0x5e/0x80 [ 5622.557046][ T74] fib6_nh_init+0x3d8/0x1580 [ 5622.557046][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5622.557046][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5622.557046][ T74] ipv6_add_addr+0x411/0x2000 [ 5622.557046][ T74] inet6_addr_add+0x30e/0xa40 [ 5622.557046][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5622.557046][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5622.557046][ T74] netlink_rcv_skb+0x130/0x360 [ 5622.557046][ T74] netlink_unicast+0x449/0x710 [ 5622.557046][ T74] netlink_sendmsg+0x723/0xbe0 [ 5622.557046][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5622.557046][ T74] ___sys_sendmsg+0xee/0x170 [ 5622.557046][ T74] __sys_sendmsg+0xcd/0x170 [ 5622.557046][ T74] do_syscall_64+0xc6/0x1e0 [ 5622.557046][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5622.557046][ T74] [ 5622.559025][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5622.559025][ T74] netdev_get_by_index+0x5e/0x80 [ 5622.559025][ T74] fib6_nh_init+0x3d8/0x1580 [ 5622.559025][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5622.559025][ T74] ip6_route_add+0x1c/0x140 [ 5622.559025][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5622.559025][ T74] addrconf_add_dev+0xe2/0x170 [ 5622.559025][ T74] inet6_addr_add+0x12f/0xa40 [ 5622.559025][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5622.559025][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5622.559025][ T74] netlink_rcv_skb+0x130/0x360 [ 5622.559025][ T74] netlink_unicast+0x449/0x710 [ 5622.559025][ T74] netlink_sendmsg+0x723/0xbe0 [ 5622.559025][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5622.559025][ T74] ___sys_sendmsg+0xee/0x170 [ 5622.559025][ T74] __sys_sendmsg+0xcd/0x170 [ 5622.559025][ T74] do_syscall_64+0xc6/0x1e0 [ 5622.559025][ T74] [ 5622.560991][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5622.560991][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5622.560991][ T74] ipv6_find_idev+0x102/0x170 [ 5622.560991][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5622.560991][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5622.560991][ T74] netlink_rcv_skb+0x130/0x360 [ 5622.560991][ T74] netlink_unicast+0x449/0x710 [ 5622.560991][ T74] netlink_sendmsg+0x723/0xbe0 [ 5622.560991][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5622.560991][ T74] ___sys_sendmsg+0xee/0x170 [ 5622.560991][ T74] __sys_sendmsg+0xcd/0x170 [ 5622.560991][ T74] do_syscall_64+0xc6/0x1e0 [ 5622.560991][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5622.560991][ T74] [ 5622.562639][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5622.562639][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5622.562639][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5622.562639][ T74] ipv6_find_idev+0x102/0x170 [ 5622.562639][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5622.562639][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5622.562639][ T74] netlink_rcv_skb+0x130/0x360 [ 5622.562639][ T74] netlink_unicast+0x449/0x710 [ 5622.562639][ T74] netlink_sendmsg+0x723/0xbe0 [ 5622.562639][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5622.562639][ T74] ___sys_sendmsg+0xee/0x170 [ 5622.562639][ T74] __sys_sendmsg+0xcd/0x170 [ 5622.562639][ T74] do_syscall_64+0xc6/0x1e0 [ 5622.562639][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5622.562639][ T74] [ 5622.564550][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5622.564789][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5622.564789][ T74] netdev_get_by_index+0x5e/0x80 [ 5622.564789][ T74] fib6_nh_init+0x3d8/0x1580 [ 5622.564789][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5622.564789][ T74] ip6_route_add+0x1c/0x140 [ 5622.564789][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5622.564789][ T74] inet6_addr_add+0x4f8/0xa40 [ 5622.564789][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5622.564789][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5622.564789][ T74] netlink_rcv_skb+0x130/0x360 [ 5622.564789][ T74] netlink_unicast+0x449/0x710 [ 5622.564789][ T74] netlink_sendmsg+0x723/0xbe0 [ 5622.564789][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5622.564789][ T74] ___sys_sendmsg+0xee/0x170 [ 5622.564789][ T74] __sys_sendmsg+0xcd/0x170 [ 5622.564789][ T74] do_syscall_64+0xc6/0x1e0 [ 5622.564789][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5622.564789][ T74] [ 5622.567538][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5622.567538][ T74] netdev_get_by_index+0x5e/0x80 [ 5622.567538][ T74] fib6_nh_init+0x3d8/0x1580 [ 5622.567538][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5622.567538][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5622.567538][ T74] ipv6_add_addr+0x411/0x2000 [ 5622.567538][ T74] inet6_addr_add+0x30e/0xa40 [ 5622.567538][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5622.567538][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5622.567538][ T74] netlink_rcv_skb+0x130/0x360 [ 5622.567538][ T74] netlink_unicast+0x449/0x710 [ 5622.567538][ T74] netlink_sendmsg+0x723/0xbe0 [ 5622.567538][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5622.567538][ T74] ___sys_sendmsg+0xee/0x170 [ 5622.567538][ T74] __sys_sendmsg+0xcd/0x170 [ 5622.567538][ T74] do_syscall_64+0xc6/0x1e0 [ 5622.567538][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5622.567538][ T74] [ 5622.569822][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5622.569822][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5622.569822][ T74] ipv6_find_idev+0x102/0x170 [ 5622.569822][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5622.569822][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5622.569822][ T74] netlink_rcv_skb+0x130/0x360 [ 5622.569822][ T74] netlink_unicast+0x449/0x710 [ 5622.569822][ T74] netlink_sendmsg+0x723/0xbe0 [ 5622.569822][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5622.569822][ T74] ___sys_sendmsg+0xee/0x170 [ 5622.569822][ T74] __sys_sendmsg+0xcd/0x170 [ 5622.569822][ T74] do_syscall_64+0xc6/0x1e0 [ 5622.569822][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5622.569822][ T74] [ 5622.571469][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5622.571469][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5622.571469][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5622.571469][ T74] ipv6_find_idev+0x102/0x170 [ 5622.571469][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5622.571469][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5622.571469][ T74] netlink_rcv_skb+0x130/0x360 [ 5622.571469][ T74] netlink_unicast+0x449/0x710 [ 5622.571469][ T74] netlink_sendmsg+0x723/0xbe0 [ 5622.571469][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5622.571469][ T74] ___sys_sendmsg+0xee/0x170 [ 5622.571469][ T74] __sys_sendmsg+0xcd/0x170 [ 5622.571469][ T74] do_syscall_64+0xc6/0x1e0 [ 5622.571469][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5622.571469][ T74] [ 5632.615980][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5632.616403][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5632.616403][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5632.616403][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5632.616403][ T74] fib6_nh_init+0xa22/0x1580 [ 5632.616403][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5632.616403][ T74] ip6_route_add+0x1c/0x140 [ 5632.616403][ T74] inet6_rtm_newroute+0x104/0x110 [ 5632.616403][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5632.616403][ T74] netlink_rcv_skb+0x130/0x360 [ 5632.616403][ T74] netlink_unicast+0x449/0x710 [ 5632.616403][ T74] netlink_sendmsg+0x723/0xbe0 [ 5632.616403][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5632.616403][ T74] ___sys_sendmsg+0xee/0x170 [ 5632.616403][ T74] __sys_sendmsg+0xcd/0x170 [ 5632.616403][ T74] do_syscall_64+0xc6/0x1e0 [ 5632.616403][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5632.616403][ T74] [ 5632.618284][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5632.618284][ T74] netdev_get_by_index+0x5e/0x80 [ 5632.618284][ T74] fib6_nh_init+0x3d8/0x1580 [ 5632.618284][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5632.618284][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5632.618284][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5632.618284][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5632.618284][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5632.618284][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5632.618284][ T74] addrconf_dad_begin+0x310/0x670 [ 5632.618284][ T74] addrconf_dad_work+0x10b/0xab0 [ 5632.618284][ T74] process_one_work+0x84d/0x18a0 [ 5632.618284][ T74] worker_thread+0x587/0xd30 [ 5632.618284][ T74] kthread+0x28a/0x350 [ 5632.618284][ T74] ret_from_fork+0x31/0x70 [ 5632.618284][ T74] ret_from_fork_asm+0x1a/0x30 [ 5632.618284][ T74] [ 5632.620192][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5632.620192][ T74] netdev_get_by_index+0x5e/0x80 [ 5632.620192][ T74] fib6_nh_init+0x3d8/0x1580 [ 5632.620192][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5632.620192][ T74] ip6_route_add+0x1c/0x140 [ 5632.620192][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5632.620192][ T74] inet6_addr_add+0x4f8/0xa40 [ 5632.620192][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5632.620192][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5632.620192][ T74] netlink_rcv_skb+0x130/0x360 [ 5632.620192][ T74] netlink_unicast+0x449/0x710 [ 5632.620192][ T74] netlink_sendmsg+0x723/0xbe0 [ 5632.620192][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5632.620192][ T74] ___sys_sendmsg+0xee/0x170 [ 5632.620192][ T74] __sys_sendmsg+0xcd/0x170 [ 5632.620192][ T74] do_syscall_64+0xc6/0x1e0 [ 5632.620192][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5632.620192][ T74] [ 5632.622190][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5632.622190][ T74] netdev_get_by_index+0x5e/0x80 [ 5632.622190][ T74] fib6_nh_init+0x3d8/0x1580 [ 5632.622190][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5632.622190][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5632.622190][ T74] ipv6_add_addr+0x411/0x2000 [ 5632.622190][ T74] inet6_addr_add+0x30e/0xa40 [ 5632.622190][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5632.622190][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5632.622190][ T74] netlink_rcv_skb+0x130/0x360 [ 5632.622190][ T74] netlink_unicast+0x449/0x710 [ 5632.622190][ T74] netlink_sendmsg+0x723/0xbe0 [ 5632.622190][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5632.622190][ T74] ___sys_sendmsg+0xee/0x170 [ 5632.622190][ T74] __sys_sendmsg+0xcd/0x170 [ 5632.622190][ T74] do_syscall_64+0xc6/0x1e0 [ 5632.622190][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5632.622190][ T74] [ 5632.624184][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5632.624184][ T74] netdev_get_by_index+0x5e/0x80 [ 5632.624184][ T74] fib6_nh_init+0x3d8/0x1580 [ 5632.624184][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5632.624184][ T74] ip6_route_add+0x1c/0x140 [ 5632.624184][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5632.624184][ T74] addrconf_add_dev+0xe2/0x170 [ 5632.624184][ T74] inet6_addr_add+0x12f/0xa40 [ 5632.624184][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5632.624184][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5632.624184][ T74] netlink_rcv_skb+0x130/0x360 [ 5632.624184][ T74] netlink_unicast+0x449/0x710 [ 5632.624184][ T74] netlink_sendmsg+0x723/0xbe0 [ 5632.624184][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5632.624184][ T74] ___sys_sendmsg+0xee/0x170 [ 5632.624184][ T74] __sys_sendmsg+0xcd/0x170 [ 5632.624184][ T74] do_syscall_64+0xc6/0x1e0 [ 5632.624184][ T74] [ 5632.626133][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5632.626133][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5632.626133][ T74] ipv6_find_idev+0x102/0x170 [ 5632.626133][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5632.626133][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5632.626133][ T74] netlink_rcv_skb+0x130/0x360 [ 5632.626133][ T74] netlink_unicast+0x449/0x710 [ 5632.626133][ T74] netlink_sendmsg+0x723/0xbe0 [ 5632.626133][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5632.626133][ T74] ___sys_sendmsg+0xee/0x170 [ 5632.626133][ T74] __sys_sendmsg+0xcd/0x170 [ 5632.626133][ T74] do_syscall_64+0xc6/0x1e0 [ 5632.626133][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5632.626133][ T74] [ 5632.627667][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5632.627667][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5632.627667][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5632.627667][ T74] ipv6_find_idev+0x102/0x170 [ 5632.627667][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5632.627667][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5632.627667][ T74] netlink_rcv_skb+0x130/0x360 [ 5632.627667][ T74] netlink_unicast+0x449/0x710 [ 5632.627667][ T74] netlink_sendmsg+0x723/0xbe0 [ 5632.627667][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5632.627667][ T74] ___sys_sendmsg+0xee/0x170 [ 5632.627667][ T74] __sys_sendmsg+0xcd/0x170 [ 5632.627667][ T74] do_syscall_64+0xc6/0x1e0 [ 5632.627667][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5632.627667][ T74] [ 5632.629338][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5632.629607][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5632.629607][ T74] dst_init+0x84/0x4a0 [ 5632.629607][ T74] dst_alloc+0x97/0x150 [ 5632.629607][ T74] ip6_dst_alloc+0x23/0x90 [ 5632.629607][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5632.629607][ T74] ip6_pol_route+0x56f/0x840 [ 5632.629607][ T74] fib6_rule_lookup+0x456/0x630 [ 5632.629607][ T74] ip6_route_input+0x59c/0xa50 [ 5632.629607][ T74] ipv6_rcv+0x397/0x810 [ 5632.629607][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5632.629607][ T74] process_backlog+0x101/0x620 [ 5632.629607][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5632.629607][ T74] net_rx_action+0x495/0xbe0 [ 5632.629607][ T74] __do_softirq+0x1b5/0x7f6 [ 5632.629607][ T74] [ 5632.631227][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5632.631227][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5632.631227][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5632.631227][ T74] fib6_nh_init+0xa22/0x1580 [ 5632.631227][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5632.631227][ T74] ip6_route_add+0x1c/0x140 [ 5632.631227][ T74] inet6_rtm_newroute+0x104/0x110 [ 5632.631227][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5632.631227][ T74] netlink_rcv_skb+0x130/0x360 [ 5632.631227][ T74] netlink_unicast+0x449/0x710 [ 5632.631227][ T74] netlink_sendmsg+0x723/0xbe0 [ 5632.631227][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5632.631227][ T74] ___sys_sendmsg+0xee/0x170 [ 5632.631227][ T74] __sys_sendmsg+0xcd/0x170 [ 5632.631227][ T74] do_syscall_64+0xc6/0x1e0 [ 5632.631227][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5632.631227][ T74] [ 5632.633093][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5632.633093][ T74] netdev_get_by_index+0x5e/0x80 [ 5632.633093][ T74] fib6_nh_init+0x3d8/0x1580 [ 5632.633093][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5632.633093][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5632.633093][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5632.633093][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5632.633093][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5632.633093][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5632.633093][ T74] addrconf_dad_begin+0x310/0x670 [ 5632.633093][ T74] addrconf_dad_work+0x10b/0xab0 [ 5632.633093][ T74] process_one_work+0x84d/0x18a0 [ 5632.633093][ T74] worker_thread+0x587/0xd30 [ 5632.633093][ T74] kthread+0x28a/0x350 [ 5632.633093][ T74] ret_from_fork+0x31/0x70 [ 5632.633093][ T74] ret_from_fork_asm+0x1a/0x30 [ 5632.633093][ T74] [ 5632.634976][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5632.634976][ T74] netdev_get_by_index+0x5e/0x80 [ 5632.634976][ T74] fib6_nh_init+0x3d8/0x1580 [ 5632.634976][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5632.634976][ T74] ip6_route_add+0x1c/0x140 [ 5632.634976][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5632.634976][ T74] inet6_addr_add+0x4f8/0xa40 [ 5632.634976][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5632.634976][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5632.634976][ T74] netlink_rcv_skb+0x130/0x360 [ 5632.634976][ T74] netlink_unicast+0x449/0x710 [ 5632.634976][ T74] netlink_sendmsg+0x723/0xbe0 [ 5632.634976][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5632.634976][ T74] ___sys_sendmsg+0xee/0x170 [ 5632.634976][ T74] __sys_sendmsg+0xcd/0x170 [ 5632.634976][ T74] do_syscall_64+0xc6/0x1e0 [ 5632.634976][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5632.634976][ T74] [ 5632.636955][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5632.636955][ T74] netdev_get_by_index+0x5e/0x80 [ 5632.636955][ T74] fib6_nh_init+0x3d8/0x1580 [ 5632.636955][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5632.636955][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5632.636955][ T74] ipv6_add_addr+0x411/0x2000 [ 5632.636955][ T74] inet6_addr_add+0x30e/0xa40 [ 5632.636955][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5632.636955][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5632.636955][ T74] netlink_rcv_skb+0x130/0x360 [ 5632.636955][ T74] netlink_unicast+0x449/0x710 [ 5632.636955][ T74] netlink_sendmsg+0x723/0xbe0 [ 5632.636955][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5632.636955][ T74] ___sys_sendmsg+0xee/0x170 [ 5632.636955][ T74] __sys_sendmsg+0xcd/0x170 [ 5632.636955][ T74] do_syscall_64+0xc6/0x1e0 [ 5632.636955][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5632.636955][ T74] [ 5632.638954][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5632.638954][ T74] netdev_get_by_index+0x5e/0x80 [ 5632.638954][ T74] fib6_nh_init+0x3d8/0x1580 [ 5632.638954][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5632.638954][ T74] ip6_route_add+0x1c/0x140 [ 5632.638954][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5632.638954][ T74] addrconf_add_dev+0xe2/0x170 [ 5632.638954][ T74] inet6_addr_add+0x12f/0xa40 [ 5632.638954][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5632.638954][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5632.638954][ T74] netlink_rcv_skb+0x130/0x360 [ 5632.638954][ T74] netlink_unicast+0x449/0x710 [ 5632.638954][ T74] netlink_sendmsg+0x723/0xbe0 [ 5632.638954][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5632.638954][ T74] ___sys_sendmsg+0xee/0x170 [ 5632.638954][ T74] __sys_sendmsg+0xcd/0x170 [ 5632.638954][ T74] do_syscall_64+0xc6/0x1e0 [ 5632.638954][ T74] [ 5632.641005][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5632.641005][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5632.641005][ T74] ipv6_find_idev+0x102/0x170 [ 5632.641005][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5632.641005][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5632.641005][ T74] netlink_rcv_skb+0x130/0x360 [ 5632.641005][ T74] netlink_unicast+0x449/0x710 [ 5632.641005][ T74] netlink_sendmsg+0x723/0xbe0 [ 5632.641005][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5632.641005][ T74] ___sys_sendmsg+0xee/0x170 [ 5632.641005][ T74] __sys_sendmsg+0xcd/0x170 [ 5632.641005][ T74] do_syscall_64+0xc6/0x1e0 [ 5632.641005][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5632.641005][ T74] [ 5632.642685][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5632.642685][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5632.642685][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5632.642685][ T74] ipv6_find_idev+0x102/0x170 [ 5632.642685][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5632.642685][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5632.642685][ T74] netlink_rcv_skb+0x130/0x360 [ 5632.642685][ T74] netlink_unicast+0x449/0x710 [ 5632.642685][ T74] netlink_sendmsg+0x723/0xbe0 [ 5632.642685][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5632.642685][ T74] ___sys_sendmsg+0xee/0x170 [ 5632.642685][ T74] __sys_sendmsg+0xcd/0x170 [ 5632.642685][ T74] do_syscall_64+0xc6/0x1e0 [ 5632.642685][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5632.642685][ T74] [ 5632.644586][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5632.644833][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5632.644833][ T74] netdev_get_by_index+0x5e/0x80 [ 5632.644833][ T74] fib6_nh_init+0x3d8/0x1580 [ 5632.644833][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5632.644833][ T74] ip6_route_add+0x1c/0x140 [ 5632.644833][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5632.644833][ T74] inet6_addr_add+0x4f8/0xa40 [ 5632.644833][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5632.644833][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5632.644833][ T74] netlink_rcv_skb+0x130/0x360 [ 5632.644833][ T74] netlink_unicast+0x449/0x710 [ 5632.644833][ T74] netlink_sendmsg+0x723/0xbe0 [ 5632.644833][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5632.644833][ T74] ___sys_sendmsg+0xee/0x170 [ 5632.644833][ T74] __sys_sendmsg+0xcd/0x170 [ 5632.644833][ T74] do_syscall_64+0xc6/0x1e0 [ 5632.644833][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5632.644833][ T74] [ 5632.647066][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5632.647066][ T74] netdev_get_by_index+0x5e/0x80 [ 5632.647066][ T74] fib6_nh_init+0x3d8/0x1580 [ 5632.647066][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5632.647066][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5632.647066][ T74] ipv6_add_addr+0x411/0x2000 [ 5632.647066][ T74] inet6_addr_add+0x30e/0xa40 [ 5632.647066][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5632.647066][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5632.647066][ T74] netlink_rcv_skb+0x130/0x360 [ 5632.647066][ T74] netlink_unicast+0x449/0x710 [ 5632.647066][ T74] netlink_sendmsg+0x723/0xbe0 [ 5632.647066][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5632.647066][ T74] ___sys_sendmsg+0xee/0x170 [ 5632.647066][ T74] __sys_sendmsg+0xcd/0x170 [ 5632.647066][ T74] do_syscall_64+0xc6/0x1e0 [ 5632.647066][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5632.647066][ T74] [ 5632.649290][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5632.649290][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5632.649290][ T74] ipv6_find_idev+0x102/0x170 [ 5632.649290][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5632.649290][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5632.649290][ T74] netlink_rcv_skb+0x130/0x360 [ 5632.649290][ T74] netlink_unicast+0x449/0x710 [ 5632.649290][ T74] netlink_sendmsg+0x723/0xbe0 [ 5632.649290][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5632.649290][ T74] ___sys_sendmsg+0xee/0x170 [ 5632.649290][ T74] __sys_sendmsg+0xcd/0x170 [ 5632.649290][ T74] do_syscall_64+0xc6/0x1e0 [ 5632.649290][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5632.649290][ T74] [ 5632.650881][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5632.650881][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5632.650881][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5632.650881][ T74] ipv6_find_idev+0x102/0x170 [ 5632.650881][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5632.650881][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5632.650881][ T74] netlink_rcv_skb+0x130/0x360 [ 5632.650881][ T74] netlink_unicast+0x449/0x710 [ 5632.650881][ T74] netlink_sendmsg+0x723/0xbe0 [ 5632.650881][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5632.650881][ T74] ___sys_sendmsg+0xee/0x170 [ 5632.650881][ T74] __sys_sendmsg+0xcd/0x170 [ 5632.650881][ T74] do_syscall_64+0xc6/0x1e0 [ 5632.650881][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5632.650881][ T74] [ 5642.799955][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5642.800392][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5642.800392][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5642.800392][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5642.800392][ T74] fib6_nh_init+0xa22/0x1580 [ 5642.800392][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5642.800392][ T74] ip6_route_add+0x1c/0x140 [ 5642.800392][ T74] inet6_rtm_newroute+0x104/0x110 [ 5642.800392][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5642.800392][ T74] netlink_rcv_skb+0x130/0x360 [ 5642.800392][ T74] netlink_unicast+0x449/0x710 [ 5642.800392][ T74] netlink_sendmsg+0x723/0xbe0 [ 5642.800392][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5642.800392][ T74] ___sys_sendmsg+0xee/0x170 [ 5642.800392][ T74] __sys_sendmsg+0xcd/0x170 [ 5642.800392][ T74] do_syscall_64+0xc6/0x1e0 [ 5642.800392][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5642.800392][ T74] [ 5642.802307][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5642.802307][ T74] netdev_get_by_index+0x5e/0x80 [ 5642.802307][ T74] fib6_nh_init+0x3d8/0x1580 [ 5642.802307][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5642.802307][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5642.802307][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5642.802307][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5642.802307][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5642.802307][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5642.802307][ T74] addrconf_dad_begin+0x310/0x670 [ 5642.802307][ T74] addrconf_dad_work+0x10b/0xab0 [ 5642.802307][ T74] process_one_work+0x84d/0x18a0 [ 5642.802307][ T74] worker_thread+0x587/0xd30 [ 5642.802307][ T74] kthread+0x28a/0x350 [ 5642.802307][ T74] ret_from_fork+0x31/0x70 [ 5642.802307][ T74] ret_from_fork_asm+0x1a/0x30 [ 5642.802307][ T74] [ 5642.804219][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5642.804219][ T74] netdev_get_by_index+0x5e/0x80 [ 5642.804219][ T74] fib6_nh_init+0x3d8/0x1580 [ 5642.804219][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5642.804219][ T74] ip6_route_add+0x1c/0x140 [ 5642.804219][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5642.804219][ T74] inet6_addr_add+0x4f8/0xa40 [ 5642.804219][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5642.804219][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5642.804219][ T74] netlink_rcv_skb+0x130/0x360 [ 5642.804219][ T74] netlink_unicast+0x449/0x710 [ 5642.804219][ T74] netlink_sendmsg+0x723/0xbe0 [ 5642.804219][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5642.804219][ T74] ___sys_sendmsg+0xee/0x170 [ 5642.804219][ T74] __sys_sendmsg+0xcd/0x170 [ 5642.804219][ T74] do_syscall_64+0xc6/0x1e0 [ 5642.804219][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5642.804219][ T74] [ 5642.806213][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5642.806213][ T74] netdev_get_by_index+0x5e/0x80 [ 5642.806213][ T74] fib6_nh_init+0x3d8/0x1580 [ 5642.806213][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5642.806213][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5642.806213][ T74] ipv6_add_addr+0x411/0x2000 [ 5642.806213][ T74] inet6_addr_add+0x30e/0xa40 [ 5642.806213][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5642.806213][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5642.806213][ T74] netlink_rcv_skb+0x130/0x360 [ 5642.806213][ T74] netlink_unicast+0x449/0x710 [ 5642.806213][ T74] netlink_sendmsg+0x723/0xbe0 [ 5642.806213][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5642.806213][ T74] ___sys_sendmsg+0xee/0x170 [ 5642.806213][ T74] __sys_sendmsg+0xcd/0x170 [ 5642.806213][ T74] do_syscall_64+0xc6/0x1e0 [ 5642.806213][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5642.806213][ T74] [ 5642.808202][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5642.808202][ T74] netdev_get_by_index+0x5e/0x80 [ 5642.808202][ T74] fib6_nh_init+0x3d8/0x1580 [ 5642.808202][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5642.808202][ T74] ip6_route_add+0x1c/0x140 [ 5642.808202][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5642.808202][ T74] addrconf_add_dev+0xe2/0x170 [ 5642.808202][ T74] inet6_addr_add+0x12f/0xa40 [ 5642.808202][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5642.808202][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5642.808202][ T74] netlink_rcv_skb+0x130/0x360 [ 5642.808202][ T74] netlink_unicast+0x449/0x710 [ 5642.808202][ T74] netlink_sendmsg+0x723/0xbe0 [ 5642.808202][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5642.808202][ T74] ___sys_sendmsg+0xee/0x170 [ 5642.808202][ T74] __sys_sendmsg+0xcd/0x170 [ 5642.808202][ T74] do_syscall_64+0xc6/0x1e0 [ 5642.808202][ T74] [ 5642.810154][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5642.810154][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5642.810154][ T74] ipv6_find_idev+0x102/0x170 [ 5642.810154][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5642.810154][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5642.810154][ T74] netlink_rcv_skb+0x130/0x360 [ 5642.810154][ T74] netlink_unicast+0x449/0x710 [ 5642.810154][ T74] netlink_sendmsg+0x723/0xbe0 [ 5642.810154][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5642.810154][ T74] ___sys_sendmsg+0xee/0x170 [ 5642.810154][ T74] __sys_sendmsg+0xcd/0x170 [ 5642.810154][ T74] do_syscall_64+0xc6/0x1e0 [ 5642.810154][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5642.810154][ T74] [ 5642.811687][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5642.811687][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5642.811687][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5642.811687][ T74] ipv6_find_idev+0x102/0x170 [ 5642.811687][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5642.811687][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5642.811687][ T74] netlink_rcv_skb+0x130/0x360 [ 5642.811687][ T74] netlink_unicast+0x449/0x710 [ 5642.811687][ T74] netlink_sendmsg+0x723/0xbe0 [ 5642.811687][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5642.811687][ T74] ___sys_sendmsg+0xee/0x170 [ 5642.811687][ T74] __sys_sendmsg+0xcd/0x170 [ 5642.811687][ T74] do_syscall_64+0xc6/0x1e0 [ 5642.811687][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5642.811687][ T74] [ 5642.813373][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5642.813652][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5642.813652][ T74] dst_init+0x84/0x4a0 [ 5642.813652][ T74] dst_alloc+0x97/0x150 [ 5642.813652][ T74] ip6_dst_alloc+0x23/0x90 [ 5642.813652][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5642.813652][ T74] ip6_pol_route+0x56f/0x840 [ 5642.813652][ T74] fib6_rule_lookup+0x456/0x630 [ 5642.813652][ T74] ip6_route_input+0x59c/0xa50 [ 5642.813652][ T74] ipv6_rcv+0x397/0x810 [ 5642.813652][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5642.813652][ T74] process_backlog+0x101/0x620 [ 5642.813652][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5642.813652][ T74] net_rx_action+0x495/0xbe0 [ 5642.813652][ T74] __do_softirq+0x1b5/0x7f6 [ 5642.813652][ T74] [ 5642.815279][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5642.815279][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5642.815279][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5642.815279][ T74] fib6_nh_init+0xa22/0x1580 [ 5642.815279][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5642.815279][ T74] ip6_route_add+0x1c/0x140 [ 5642.815279][ T74] inet6_rtm_newroute+0x104/0x110 [ 5642.815279][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5642.815279][ T74] netlink_rcv_skb+0x130/0x360 [ 5642.815279][ T74] netlink_unicast+0x449/0x710 [ 5642.815279][ T74] netlink_sendmsg+0x723/0xbe0 [ 5642.815279][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5642.815279][ T74] ___sys_sendmsg+0xee/0x170 [ 5642.815279][ T74] __sys_sendmsg+0xcd/0x170 [ 5642.815279][ T74] do_syscall_64+0xc6/0x1e0 [ 5642.815279][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5642.815279][ T74] [ 5642.817150][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5642.817150][ T74] netdev_get_by_index+0x5e/0x80 [ 5642.817150][ T74] fib6_nh_init+0x3d8/0x1580 [ 5642.817150][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5642.817150][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5642.817150][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5642.817150][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5642.817150][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5642.817150][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5642.817150][ T74] addrconf_dad_begin+0x310/0x670 [ 5642.817150][ T74] addrconf_dad_work+0x10b/0xab0 [ 5642.817150][ T74] process_one_work+0x84d/0x18a0 [ 5642.817150][ T74] worker_thread+0x587/0xd30 [ 5642.817150][ T74] kthread+0x28a/0x350 [ 5642.817150][ T74] ret_from_fork+0x31/0x70 [ 5642.817150][ T74] ret_from_fork_asm+0x1a/0x30 [ 5642.817150][ T74] [ 5642.819047][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5642.819047][ T74] netdev_get_by_index+0x5e/0x80 [ 5642.819047][ T74] fib6_nh_init+0x3d8/0x1580 [ 5642.819047][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5642.819047][ T74] ip6_route_add+0x1c/0x140 [ 5642.819047][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5642.819047][ T74] inet6_addr_add+0x4f8/0xa40 [ 5642.819047][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5642.819047][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5642.819047][ T74] netlink_rcv_skb+0x130/0x360 [ 5642.819047][ T74] netlink_unicast+0x449/0x710 [ 5642.819047][ T74] netlink_sendmsg+0x723/0xbe0 [ 5642.819047][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5642.819047][ T74] ___sys_sendmsg+0xee/0x170 [ 5642.819047][ T74] __sys_sendmsg+0xcd/0x170 [ 5642.819047][ T74] do_syscall_64+0xc6/0x1e0 [ 5642.819047][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5642.819047][ T74] [ 5642.821045][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5642.821045][ T74] netdev_get_by_index+0x5e/0x80 [ 5642.821045][ T74] fib6_nh_init+0x3d8/0x1580 [ 5642.821045][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5642.821045][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5642.821045][ T74] ipv6_add_addr+0x411/0x2000 [ 5642.821045][ T74] inet6_addr_add+0x30e/0xa40 [ 5642.821045][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5642.821045][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5642.821045][ T74] netlink_rcv_skb+0x130/0x360 [ 5642.821045][ T74] netlink_unicast+0x449/0x710 [ 5642.821045][ T74] netlink_sendmsg+0x723/0xbe0 [ 5642.821045][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5642.821045][ T74] ___sys_sendmsg+0xee/0x170 [ 5642.821045][ T74] __sys_sendmsg+0xcd/0x170 [ 5642.821045][ T74] do_syscall_64+0xc6/0x1e0 [ 5642.821045][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5642.821045][ T74] [ 5642.823031][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5642.823031][ T74] netdev_get_by_index+0x5e/0x80 [ 5642.823031][ T74] fib6_nh_init+0x3d8/0x1580 [ 5642.823031][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5642.823031][ T74] ip6_route_add+0x1c/0x140 [ 5642.823031][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5642.823031][ T74] addrconf_add_dev+0xe2/0x170 [ 5642.823031][ T74] inet6_addr_add+0x12f/0xa40 [ 5642.823031][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5642.823031][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5642.823031][ T74] netlink_rcv_skb+0x130/0x360 [ 5642.823031][ T74] netlink_unicast+0x449/0x710 [ 5642.823031][ T74] netlink_sendmsg+0x723/0xbe0 [ 5642.823031][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5642.823031][ T74] ___sys_sendmsg+0xee/0x170 [ 5642.823031][ T74] __sys_sendmsg+0xcd/0x170 [ 5642.823031][ T74] do_syscall_64+0xc6/0x1e0 [ 5642.823031][ T74] [ 5642.825100][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5642.825100][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5642.825100][ T74] ipv6_find_idev+0x102/0x170 [ 5642.825100][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5642.825100][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5642.825100][ T74] netlink_rcv_skb+0x130/0x360 [ 5642.825100][ T74] netlink_unicast+0x449/0x710 [ 5642.825100][ T74] netlink_sendmsg+0x723/0xbe0 [ 5642.825100][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5642.825100][ T74] ___sys_sendmsg+0xee/0x170 [ 5642.825100][ T74] __sys_sendmsg+0xcd/0x170 [ 5642.825100][ T74] do_syscall_64+0xc6/0x1e0 [ 5642.825100][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5642.825100][ T74] [ 5642.826757][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5642.826757][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5642.826757][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5642.826757][ T74] ipv6_find_idev+0x102/0x170 [ 5642.826757][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5642.826757][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5642.826757][ T74] netlink_rcv_skb+0x130/0x360 [ 5642.826757][ T74] netlink_unicast+0x449/0x710 [ 5642.826757][ T74] netlink_sendmsg+0x723/0xbe0 [ 5642.826757][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5642.826757][ T74] ___sys_sendmsg+0xee/0x170 [ 5642.826757][ T74] __sys_sendmsg+0xcd/0x170 [ 5642.826757][ T74] do_syscall_64+0xc6/0x1e0 [ 5642.826757][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5642.826757][ T74] [ 5642.828722][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5642.828971][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5642.828971][ T74] netdev_get_by_index+0x5e/0x80 [ 5642.828971][ T74] fib6_nh_init+0x3d8/0x1580 [ 5642.828971][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5642.828971][ T74] ip6_route_add+0x1c/0x140 [ 5642.828971][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5642.828971][ T74] inet6_addr_add+0x4f8/0xa40 [ 5642.828971][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5642.828971][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5642.828971][ T74] netlink_rcv_skb+0x130/0x360 [ 5642.828971][ T74] netlink_unicast+0x449/0x710 [ 5642.828971][ T74] netlink_sendmsg+0x723/0xbe0 [ 5642.828971][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5642.828971][ T74] ___sys_sendmsg+0xee/0x170 [ 5642.828971][ T74] __sys_sendmsg+0xcd/0x170 [ 5642.828971][ T74] do_syscall_64+0xc6/0x1e0 [ 5642.828971][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5642.828971][ T74] [ 5642.831209][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5642.831209][ T74] netdev_get_by_index+0x5e/0x80 [ 5642.831209][ T74] fib6_nh_init+0x3d8/0x1580 [ 5642.831209][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5642.831209][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5642.831209][ T74] ipv6_add_addr+0x411/0x2000 [ 5642.831209][ T74] inet6_addr_add+0x30e/0xa40 [ 5642.831209][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5642.831209][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5642.831209][ T74] netlink_rcv_skb+0x130/0x360 [ 5642.831209][ T74] netlink_unicast+0x449/0x710 [ 5642.831209][ T74] netlink_sendmsg+0x723/0xbe0 [ 5642.831209][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5642.831209][ T74] ___sys_sendmsg+0xee/0x170 [ 5642.831209][ T74] __sys_sendmsg+0xcd/0x170 [ 5642.831209][ T74] do_syscall_64+0xc6/0x1e0 [ 5642.831209][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5642.831209][ T74] [ 5642.833446][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5642.833446][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5642.833446][ T74] ipv6_find_idev+0x102/0x170 [ 5642.833446][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5642.833446][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5642.833446][ T74] netlink_rcv_skb+0x130/0x360 [ 5642.833446][ T74] netlink_unicast+0x449/0x710 [ 5642.833446][ T74] netlink_sendmsg+0x723/0xbe0 [ 5642.833446][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5642.833446][ T74] ___sys_sendmsg+0xee/0x170 [ 5642.833446][ T74] __sys_sendmsg+0xcd/0x170 [ 5642.833446][ T74] do_syscall_64+0xc6/0x1e0 [ 5642.833446][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5642.833446][ T74] [ 5642.835097][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5642.835097][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5642.835097][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5642.835097][ T74] ipv6_find_idev+0x102/0x170 [ 5642.835097][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5642.835097][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5642.835097][ T74] netlink_rcv_skb+0x130/0x360 [ 5642.835097][ T74] netlink_unicast+0x449/0x710 [ 5642.835097][ T74] netlink_sendmsg+0x723/0xbe0 [ 5642.835097][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5642.835097][ T74] ___sys_sendmsg+0xee/0x170 [ 5642.835097][ T74] __sys_sendmsg+0xcd/0x170 [ 5642.835097][ T74] do_syscall_64+0xc6/0x1e0 [ 5642.835097][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5642.835097][ T74] [ 5653.079974][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5653.080429][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5653.080429][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5653.080429][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5653.080429][ T74] fib6_nh_init+0xa22/0x1580 [ 5653.080429][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5653.080429][ T74] ip6_route_add+0x1c/0x140 [ 5653.080429][ T74] inet6_rtm_newroute+0x104/0x110 [ 5653.080429][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5653.080429][ T74] netlink_rcv_skb+0x130/0x360 [ 5653.080429][ T74] netlink_unicast+0x449/0x710 [ 5653.080429][ T74] netlink_sendmsg+0x723/0xbe0 [ 5653.080429][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5653.080429][ T74] ___sys_sendmsg+0xee/0x170 [ 5653.080429][ T74] __sys_sendmsg+0xcd/0x170 [ 5653.080429][ T74] do_syscall_64+0xc6/0x1e0 [ 5653.080429][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5653.080429][ T74] [ 5653.082347][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5653.082347][ T74] netdev_get_by_index+0x5e/0x80 [ 5653.082347][ T74] fib6_nh_init+0x3d8/0x1580 [ 5653.082347][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5653.082347][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5653.082347][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5653.082347][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5653.082347][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5653.082347][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5653.082347][ T74] addrconf_dad_begin+0x310/0x670 [ 5653.082347][ T74] addrconf_dad_work+0x10b/0xab0 [ 5653.082347][ T74] process_one_work+0x84d/0x18a0 [ 5653.082347][ T74] worker_thread+0x587/0xd30 [ 5653.082347][ T74] kthread+0x28a/0x350 [ 5653.082347][ T74] ret_from_fork+0x31/0x70 [ 5653.082347][ T74] ret_from_fork_asm+0x1a/0x30 [ 5653.082347][ T74] [ 5653.084254][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5653.084254][ T74] netdev_get_by_index+0x5e/0x80 [ 5653.084254][ T74] fib6_nh_init+0x3d8/0x1580 [ 5653.084254][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5653.084254][ T74] ip6_route_add+0x1c/0x140 [ 5653.084254][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5653.084254][ T74] inet6_addr_add+0x4f8/0xa40 [ 5653.084254][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5653.084254][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5653.084254][ T74] netlink_rcv_skb+0x130/0x360 [ 5653.084254][ T74] netlink_unicast+0x449/0x710 [ 5653.084254][ T74] netlink_sendmsg+0x723/0xbe0 [ 5653.084254][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5653.084254][ T74] ___sys_sendmsg+0xee/0x170 [ 5653.084254][ T74] __sys_sendmsg+0xcd/0x170 [ 5653.084254][ T74] do_syscall_64+0xc6/0x1e0 [ 5653.084254][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5653.084254][ T74] [ 5653.086244][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5653.086244][ T74] netdev_get_by_index+0x5e/0x80 [ 5653.086244][ T74] fib6_nh_init+0x3d8/0x1580 [ 5653.086244][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5653.086244][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5653.086244][ T74] ipv6_add_addr+0x411/0x2000 [ 5653.086244][ T74] inet6_addr_add+0x30e/0xa40 [ 5653.086244][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5653.086244][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5653.086244][ T74] netlink_rcv_skb+0x130/0x360 [ 5653.086244][ T74] netlink_unicast+0x449/0x710 [ 5653.086244][ T74] netlink_sendmsg+0x723/0xbe0 [ 5653.086244][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5653.086244][ T74] ___sys_sendmsg+0xee/0x170 [ 5653.086244][ T74] __sys_sendmsg+0xcd/0x170 [ 5653.086244][ T74] do_syscall_64+0xc6/0x1e0 [ 5653.086244][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5653.086244][ T74] [ 5653.088233][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5653.088233][ T74] netdev_get_by_index+0x5e/0x80 [ 5653.088233][ T74] fib6_nh_init+0x3d8/0x1580 [ 5653.088233][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5653.088233][ T74] ip6_route_add+0x1c/0x140 [ 5653.088233][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5653.088233][ T74] addrconf_add_dev+0xe2/0x170 [ 5653.088233][ T74] inet6_addr_add+0x12f/0xa40 [ 5653.088233][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5653.088233][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5653.088233][ T74] netlink_rcv_skb+0x130/0x360 [ 5653.088233][ T74] netlink_unicast+0x449/0x710 [ 5653.088233][ T74] netlink_sendmsg+0x723/0xbe0 [ 5653.088233][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5653.088233][ T74] ___sys_sendmsg+0xee/0x170 [ 5653.088233][ T74] __sys_sendmsg+0xcd/0x170 [ 5653.088233][ T74] do_syscall_64+0xc6/0x1e0 [ 5653.088233][ T74] [ 5653.090188][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5653.090188][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5653.090188][ T74] ipv6_find_idev+0x102/0x170 [ 5653.090188][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5653.090188][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5653.090188][ T74] netlink_rcv_skb+0x130/0x360 [ 5653.090188][ T74] netlink_unicast+0x449/0x710 [ 5653.090188][ T74] netlink_sendmsg+0x723/0xbe0 [ 5653.090188][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5653.090188][ T74] ___sys_sendmsg+0xee/0x170 [ 5653.090188][ T74] __sys_sendmsg+0xcd/0x170 [ 5653.090188][ T74] do_syscall_64+0xc6/0x1e0 [ 5653.090188][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5653.090188][ T74] [ 5653.091716][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5653.091716][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5653.091716][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5653.091716][ T74] ipv6_find_idev+0x102/0x170 [ 5653.091716][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5653.091716][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5653.091716][ T74] netlink_rcv_skb+0x130/0x360 [ 5653.091716][ T74] netlink_unicast+0x449/0x710 [ 5653.091716][ T74] netlink_sendmsg+0x723/0xbe0 [ 5653.091716][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5653.091716][ T74] ___sys_sendmsg+0xee/0x170 [ 5653.091716][ T74] __sys_sendmsg+0xcd/0x170 [ 5653.091716][ T74] do_syscall_64+0xc6/0x1e0 [ 5653.091716][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5653.091716][ T74] [ 5653.093402][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5653.093674][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5653.093674][ T74] dst_init+0x84/0x4a0 [ 5653.093674][ T74] dst_alloc+0x97/0x150 [ 5653.093674][ T74] ip6_dst_alloc+0x23/0x90 [ 5653.093674][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5653.093674][ T74] ip6_pol_route+0x56f/0x840 [ 5653.093674][ T74] fib6_rule_lookup+0x456/0x630 [ 5653.093674][ T74] ip6_route_input+0x59c/0xa50 [ 5653.093674][ T74] ipv6_rcv+0x397/0x810 [ 5653.093674][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5653.093674][ T74] process_backlog+0x101/0x620 [ 5653.093674][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5653.093674][ T74] net_rx_action+0x495/0xbe0 [ 5653.093674][ T74] __do_softirq+0x1b5/0x7f6 [ 5653.093674][ T74] [ 5653.095307][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5653.095307][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5653.095307][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5653.095307][ T74] fib6_nh_init+0xa22/0x1580 [ 5653.095307][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5653.095307][ T74] ip6_route_add+0x1c/0x140 [ 5653.095307][ T74] inet6_rtm_newroute+0x104/0x110 [ 5653.095307][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5653.095307][ T74] netlink_rcv_skb+0x130/0x360 [ 5653.095307][ T74] netlink_unicast+0x449/0x710 [ 5653.095307][ T74] netlink_sendmsg+0x723/0xbe0 [ 5653.095307][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5653.095307][ T74] ___sys_sendmsg+0xee/0x170 [ 5653.095307][ T74] __sys_sendmsg+0xcd/0x170 [ 5653.095307][ T74] do_syscall_64+0xc6/0x1e0 [ 5653.095307][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5653.095307][ T74] [ 5653.097180][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5653.097180][ T74] netdev_get_by_index+0x5e/0x80 [ 5653.097180][ T74] fib6_nh_init+0x3d8/0x1580 [ 5653.097180][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5653.097180][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5653.097180][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5653.097180][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5653.097180][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5653.097180][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5653.097180][ T74] addrconf_dad_begin+0x310/0x670 [ 5653.097180][ T74] addrconf_dad_work+0x10b/0xab0 [ 5653.097180][ T74] process_one_work+0x84d/0x18a0 [ 5653.097180][ T74] worker_thread+0x587/0xd30 [ 5653.097180][ T74] kthread+0x28a/0x350 [ 5653.097180][ T74] ret_from_fork+0x31/0x70 [ 5653.097180][ T74] ret_from_fork_asm+0x1a/0x30 [ 5653.097180][ T74] [ 5653.099070][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5653.099070][ T74] netdev_get_by_index+0x5e/0x80 [ 5653.099070][ T74] fib6_nh_init+0x3d8/0x1580 [ 5653.099070][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5653.099070][ T74] ip6_route_add+0x1c/0x140 [ 5653.099070][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5653.099070][ T74] inet6_addr_add+0x4f8/0xa40 [ 5653.099070][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5653.099070][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5653.099070][ T74] netlink_rcv_skb+0x130/0x360 [ 5653.099070][ T74] netlink_unicast+0x449/0x710 [ 5653.099070][ T74] netlink_sendmsg+0x723/0xbe0 [ 5653.099070][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5653.099070][ T74] ___sys_sendmsg+0xee/0x170 [ 5653.099070][ T74] __sys_sendmsg+0xcd/0x170 [ 5653.099070][ T74] do_syscall_64+0xc6/0x1e0 [ 5653.099070][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5653.099070][ T74] [ 5653.101052][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5653.101052][ T74] netdev_get_by_index+0x5e/0x80 [ 5653.101052][ T74] fib6_nh_init+0x3d8/0x1580 [ 5653.101052][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5653.101052][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5653.101052][ T74] ipv6_add_addr+0x411/0x2000 [ 5653.101052][ T74] inet6_addr_add+0x30e/0xa40 [ 5653.101052][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5653.101052][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5653.101052][ T74] netlink_rcv_skb+0x130/0x360 [ 5653.101052][ T74] netlink_unicast+0x449/0x710 [ 5653.101052][ T74] netlink_sendmsg+0x723/0xbe0 [ 5653.101052][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5653.101052][ T74] ___sys_sendmsg+0xee/0x170 [ 5653.101052][ T74] __sys_sendmsg+0xcd/0x170 [ 5653.101052][ T74] do_syscall_64+0xc6/0x1e0 [ 5653.101052][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5653.101052][ T74] [ 5653.103193][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5653.103193][ T74] netdev_get_by_index+0x5e/0x80 [ 5653.103193][ T74] fib6_nh_init+0x3d8/0x1580 [ 5653.103193][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5653.103193][ T74] ip6_route_add+0x1c/0x140 [ 5653.103193][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5653.103193][ T74] addrconf_add_dev+0xe2/0x170 [ 5653.103193][ T74] inet6_addr_add+0x12f/0xa40 [ 5653.103193][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5653.103193][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5653.103193][ T74] netlink_rcv_skb+0x130/0x360 [ 5653.103193][ T74] netlink_unicast+0x449/0x710 [ 5653.103193][ T74] netlink_sendmsg+0x723/0xbe0 [ 5653.103193][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5653.103193][ T74] ___sys_sendmsg+0xee/0x170 [ 5653.103193][ T74] __sys_sendmsg+0xcd/0x170 [ 5653.103193][ T74] do_syscall_64+0xc6/0x1e0 [ 5653.103193][ T74] [ 5653.105144][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5653.105144][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5653.105144][ T74] ipv6_find_idev+0x102/0x170 [ 5653.105144][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5653.105144][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5653.105144][ T74] netlink_rcv_skb+0x130/0x360 [ 5653.105144][ T74] netlink_unicast+0x449/0x710 [ 5653.105144][ T74] netlink_sendmsg+0x723/0xbe0 [ 5653.105144][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5653.105144][ T74] ___sys_sendmsg+0xee/0x170 [ 5653.105144][ T74] __sys_sendmsg+0xcd/0x170 [ 5653.105144][ T74] do_syscall_64+0xc6/0x1e0 [ 5653.105144][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5653.105144][ T74] [ 5653.106798][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5653.106798][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5653.106798][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5653.106798][ T74] ipv6_find_idev+0x102/0x170 [ 5653.106798][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5653.106798][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5653.106798][ T74] netlink_rcv_skb+0x130/0x360 [ 5653.106798][ T74] netlink_unicast+0x449/0x710 [ 5653.106798][ T74] netlink_sendmsg+0x723/0xbe0 [ 5653.106798][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5653.106798][ T74] ___sys_sendmsg+0xee/0x170 [ 5653.106798][ T74] __sys_sendmsg+0xcd/0x170 [ 5653.106798][ T74] do_syscall_64+0xc6/0x1e0 [ 5653.106798][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5653.106798][ T74] [ 5653.108820][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5653.109134][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5653.109134][ T74] netdev_get_by_index+0x5e/0x80 [ 5653.109134][ T74] fib6_nh_init+0x3d8/0x1580 [ 5653.109134][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5653.109134][ T74] ip6_route_add+0x1c/0x140 [ 5653.109134][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5653.109134][ T74] inet6_addr_add+0x4f8/0xa40 [ 5653.109134][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5653.109134][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5653.109134][ T74] netlink_rcv_skb+0x130/0x360 [ 5653.109134][ T74] netlink_unicast+0x449/0x710 [ 5653.109134][ T74] netlink_sendmsg+0x723/0xbe0 [ 5653.109134][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5653.109134][ T74] ___sys_sendmsg+0xee/0x170 [ 5653.109134][ T74] __sys_sendmsg+0xcd/0x170 [ 5653.109134][ T74] do_syscall_64+0xc6/0x1e0 [ 5653.109134][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5653.109134][ T74] [ 5653.111241][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5653.111241][ T74] netdev_get_by_index+0x5e/0x80 [ 5653.111241][ T74] fib6_nh_init+0x3d8/0x1580 [ 5653.111241][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5653.111241][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5653.111241][ T74] ipv6_add_addr+0x411/0x2000 [ 5653.111241][ T74] inet6_addr_add+0x30e/0xa40 [ 5653.111241][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5653.111241][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5653.111241][ T74] netlink_rcv_skb+0x130/0x360 [ 5653.111241][ T74] netlink_unicast+0x449/0x710 [ 5653.111241][ T74] netlink_sendmsg+0x723/0xbe0 [ 5653.111241][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5653.111241][ T74] ___sys_sendmsg+0xee/0x170 [ 5653.111241][ T74] __sys_sendmsg+0xcd/0x170 [ 5653.111241][ T74] do_syscall_64+0xc6/0x1e0 [ 5653.111241][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5653.111241][ T74] [ 5653.113476][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5653.113476][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5653.113476][ T74] ipv6_find_idev+0x102/0x170 [ 5653.113476][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5653.113476][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5653.113476][ T74] netlink_rcv_skb+0x130/0x360 [ 5653.113476][ T74] netlink_unicast+0x449/0x710 [ 5653.113476][ T74] netlink_sendmsg+0x723/0xbe0 [ 5653.113476][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5653.113476][ T74] ___sys_sendmsg+0xee/0x170 [ 5653.113476][ T74] __sys_sendmsg+0xcd/0x170 [ 5653.113476][ T74] do_syscall_64+0xc6/0x1e0 [ 5653.113476][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5653.113476][ T74] [ 5653.115188][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5653.115188][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5653.115188][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5653.115188][ T74] ipv6_find_idev+0x102/0x170 [ 5653.115188][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5653.115188][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5653.115188][ T74] netlink_rcv_skb+0x130/0x360 [ 5653.115188][ T74] netlink_unicast+0x449/0x710 [ 5653.115188][ T74] netlink_sendmsg+0x723/0xbe0 [ 5653.115188][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5653.115188][ T74] ___sys_sendmsg+0xee/0x170 [ 5653.115188][ T74] __sys_sendmsg+0xcd/0x170 [ 5653.115188][ T74] do_syscall_64+0xc6/0x1e0 [ 5653.115188][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5653.115188][ T74] [ 5663.199991][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5663.200455][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5663.200455][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5663.200455][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5663.200455][ T74] fib6_nh_init+0xa22/0x1580 [ 5663.200455][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5663.200455][ T74] ip6_route_add+0x1c/0x140 [ 5663.200455][ T74] inet6_rtm_newroute+0x104/0x110 [ 5663.200455][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5663.200455][ T74] netlink_rcv_skb+0x130/0x360 [ 5663.200455][ T74] netlink_unicast+0x449/0x710 [ 5663.200455][ T74] netlink_sendmsg+0x723/0xbe0 [ 5663.200455][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5663.200455][ T74] ___sys_sendmsg+0xee/0x170 [ 5663.200455][ T74] __sys_sendmsg+0xcd/0x170 [ 5663.200455][ T74] do_syscall_64+0xc6/0x1e0 [ 5663.200455][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5663.200455][ T74] [ 5663.202363][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5663.202363][ T74] netdev_get_by_index+0x5e/0x80 [ 5663.202363][ T74] fib6_nh_init+0x3d8/0x1580 [ 5663.202363][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5663.202363][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5663.202363][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5663.202363][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5663.202363][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5663.202363][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5663.202363][ T74] addrconf_dad_begin+0x310/0x670 [ 5663.202363][ T74] addrconf_dad_work+0x10b/0xab0 [ 5663.202363][ T74] process_one_work+0x84d/0x18a0 [ 5663.202363][ T74] worker_thread+0x587/0xd30 [ 5663.202363][ T74] kthread+0x28a/0x350 [ 5663.202363][ T74] ret_from_fork+0x31/0x70 [ 5663.202363][ T74] ret_from_fork_asm+0x1a/0x30 [ 5663.202363][ T74] [ 5663.204272][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5663.204272][ T74] netdev_get_by_index+0x5e/0x80 [ 5663.204272][ T74] fib6_nh_init+0x3d8/0x1580 [ 5663.204272][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5663.204272][ T74] ip6_route_add+0x1c/0x140 [ 5663.204272][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5663.204272][ T74] inet6_addr_add+0x4f8/0xa40 [ 5663.204272][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5663.204272][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5663.204272][ T74] netlink_rcv_skb+0x130/0x360 [ 5663.204272][ T74] netlink_unicast+0x449/0x710 [ 5663.204272][ T74] netlink_sendmsg+0x723/0xbe0 [ 5663.204272][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5663.204272][ T74] ___sys_sendmsg+0xee/0x170 [ 5663.204272][ T74] __sys_sendmsg+0xcd/0x170 [ 5663.204272][ T74] do_syscall_64+0xc6/0x1e0 [ 5663.204272][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5663.204272][ T74] [ 5663.206264][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5663.206264][ T74] netdev_get_by_index+0x5e/0x80 [ 5663.206264][ T74] fib6_nh_init+0x3d8/0x1580 [ 5663.206264][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5663.206264][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5663.206264][ T74] ipv6_add_addr+0x411/0x2000 [ 5663.206264][ T74] inet6_addr_add+0x30e/0xa40 [ 5663.206264][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5663.206264][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5663.206264][ T74] netlink_rcv_skb+0x130/0x360 [ 5663.206264][ T74] netlink_unicast+0x449/0x710 [ 5663.206264][ T74] netlink_sendmsg+0x723/0xbe0 [ 5663.206264][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5663.206264][ T74] ___sys_sendmsg+0xee/0x170 [ 5663.206264][ T74] __sys_sendmsg+0xcd/0x170 [ 5663.206264][ T74] do_syscall_64+0xc6/0x1e0 [ 5663.206264][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5663.206264][ T74] [ 5663.208247][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5663.208247][ T74] netdev_get_by_index+0x5e/0x80 [ 5663.208247][ T74] fib6_nh_init+0x3d8/0x1580 [ 5663.208247][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5663.208247][ T74] ip6_route_add+0x1c/0x140 [ 5663.208247][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5663.208247][ T74] addrconf_add_dev+0xe2/0x170 [ 5663.208247][ T74] inet6_addr_add+0x12f/0xa40 [ 5663.208247][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5663.208247][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5663.208247][ T74] netlink_rcv_skb+0x130/0x360 [ 5663.208247][ T74] netlink_unicast+0x449/0x710 [ 5663.208247][ T74] netlink_sendmsg+0x723/0xbe0 [ 5663.208247][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5663.208247][ T74] ___sys_sendmsg+0xee/0x170 [ 5663.208247][ T74] __sys_sendmsg+0xcd/0x170 [ 5663.208247][ T74] do_syscall_64+0xc6/0x1e0 [ 5663.208247][ T74] [ 5663.210207][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5663.210207][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5663.210207][ T74] ipv6_find_idev+0x102/0x170 [ 5663.210207][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5663.210207][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5663.210207][ T74] netlink_rcv_skb+0x130/0x360 [ 5663.210207][ T74] netlink_unicast+0x449/0x710 [ 5663.210207][ T74] netlink_sendmsg+0x723/0xbe0 [ 5663.210207][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5663.210207][ T74] ___sys_sendmsg+0xee/0x170 [ 5663.210207][ T74] __sys_sendmsg+0xcd/0x170 [ 5663.210207][ T74] do_syscall_64+0xc6/0x1e0 [ 5663.210207][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5663.210207][ T74] [ 5663.211736][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5663.211736][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5663.211736][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5663.211736][ T74] ipv6_find_idev+0x102/0x170 [ 5663.211736][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5663.211736][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5663.211736][ T74] netlink_rcv_skb+0x130/0x360 [ 5663.211736][ T74] netlink_unicast+0x449/0x710 [ 5663.211736][ T74] netlink_sendmsg+0x723/0xbe0 [ 5663.211736][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5663.211736][ T74] ___sys_sendmsg+0xee/0x170 [ 5663.211736][ T74] __sys_sendmsg+0xcd/0x170 [ 5663.211736][ T74] do_syscall_64+0xc6/0x1e0 [ 5663.211736][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5663.211736][ T74] [ 5663.213425][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5663.213703][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5663.213703][ T74] dst_init+0x84/0x4a0 [ 5663.213703][ T74] dst_alloc+0x97/0x150 [ 5663.213703][ T74] ip6_dst_alloc+0x23/0x90 [ 5663.213703][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5663.213703][ T74] ip6_pol_route+0x56f/0x840 [ 5663.213703][ T74] fib6_rule_lookup+0x456/0x630 [ 5663.213703][ T74] ip6_route_input+0x59c/0xa50 [ 5663.213703][ T74] ipv6_rcv+0x397/0x810 [ 5663.213703][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5663.213703][ T74] process_backlog+0x101/0x620 [ 5663.213703][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5663.213703][ T74] net_rx_action+0x495/0xbe0 [ 5663.213703][ T74] __do_softirq+0x1b5/0x7f6 [ 5663.213703][ T74] [ 5663.215341][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5663.215341][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5663.215341][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5663.215341][ T74] fib6_nh_init+0xa22/0x1580 [ 5663.215341][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5663.215341][ T74] ip6_route_add+0x1c/0x140 [ 5663.215341][ T74] inet6_rtm_newroute+0x104/0x110 [ 5663.215341][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5663.215341][ T74] netlink_rcv_skb+0x130/0x360 [ 5663.215341][ T74] netlink_unicast+0x449/0x710 [ 5663.215341][ T74] netlink_sendmsg+0x723/0xbe0 [ 5663.215341][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5663.215341][ T74] ___sys_sendmsg+0xee/0x170 [ 5663.215341][ T74] __sys_sendmsg+0xcd/0x170 [ 5663.215341][ T74] do_syscall_64+0xc6/0x1e0 [ 5663.215341][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5663.215341][ T74] [ 5663.217210][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5663.217210][ T74] netdev_get_by_index+0x5e/0x80 [ 5663.217210][ T74] fib6_nh_init+0x3d8/0x1580 [ 5663.217210][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5663.217210][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5663.217210][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5663.217210][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5663.217210][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5663.217210][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5663.217210][ T74] addrconf_dad_begin+0x310/0x670 [ 5663.217210][ T74] addrconf_dad_work+0x10b/0xab0 [ 5663.217210][ T74] process_one_work+0x84d/0x18a0 [ 5663.217210][ T74] worker_thread+0x587/0xd30 [ 5663.217210][ T74] kthread+0x28a/0x350 [ 5663.217210][ T74] ret_from_fork+0x31/0x70 [ 5663.217210][ T74] ret_from_fork_asm+0x1a/0x30 [ 5663.217210][ T74] [ 5663.219115][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5663.219115][ T74] netdev_get_by_index+0x5e/0x80 [ 5663.219115][ T74] fib6_nh_init+0x3d8/0x1580 [ 5663.219115][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5663.219115][ T74] ip6_route_add+0x1c/0x140 [ 5663.219115][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5663.219115][ T74] inet6_addr_add+0x4f8/0xa40 [ 5663.219115][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5663.219115][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5663.219115][ T74] netlink_rcv_skb+0x130/0x360 [ 5663.219115][ T74] netlink_unicast+0x449/0x710 [ 5663.219115][ T74] netlink_sendmsg+0x723/0xbe0 [ 5663.219115][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5663.219115][ T74] ___sys_sendmsg+0xee/0x170 [ 5663.219115][ T74] __sys_sendmsg+0xcd/0x170 [ 5663.219115][ T74] do_syscall_64+0xc6/0x1e0 [ 5663.219115][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5663.219115][ T74] [ 5663.221108][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5663.221108][ T74] netdev_get_by_index+0x5e/0x80 [ 5663.221108][ T74] fib6_nh_init+0x3d8/0x1580 [ 5663.221108][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5663.221108][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5663.221108][ T74] ipv6_add_addr+0x411/0x2000 [ 5663.221108][ T74] inet6_addr_add+0x30e/0xa40 [ 5663.221108][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5663.221108][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5663.221108][ T74] netlink_rcv_skb+0x130/0x360 [ 5663.221108][ T74] netlink_unicast+0x449/0x710 [ 5663.221108][ T74] netlink_sendmsg+0x723/0xbe0 [ 5663.221108][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5663.221108][ T74] ___sys_sendmsg+0xee/0x170 [ 5663.221108][ T74] __sys_sendmsg+0xcd/0x170 [ 5663.221108][ T74] do_syscall_64+0xc6/0x1e0 [ 5663.221108][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5663.221108][ T74] [ 5663.223111][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5663.223111][ T74] netdev_get_by_index+0x5e/0x80 [ 5663.223111][ T74] fib6_nh_init+0x3d8/0x1580 [ 5663.223111][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5663.223111][ T74] ip6_route_add+0x1c/0x140 [ 5663.223111][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5663.223111][ T74] addrconf_add_dev+0xe2/0x170 [ 5663.223111][ T74] inet6_addr_add+0x12f/0xa40 [ 5663.223111][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5663.223111][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5663.223111][ T74] netlink_rcv_skb+0x130/0x360 [ 5663.223111][ T74] netlink_unicast+0x449/0x710 [ 5663.223111][ T74] netlink_sendmsg+0x723/0xbe0 [ 5663.223111][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5663.223111][ T74] ___sys_sendmsg+0xee/0x170 [ 5663.223111][ T74] __sys_sendmsg+0xcd/0x170 [ 5663.223111][ T74] do_syscall_64+0xc6/0x1e0 [ 5663.223111][ T74] [ 5663.225062][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5663.225062][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5663.225062][ T74] ipv6_find_idev+0x102/0x170 [ 5663.225062][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5663.225062][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5663.225062][ T74] netlink_rcv_skb+0x130/0x360 [ 5663.225062][ T74] netlink_unicast+0x449/0x710 [ 5663.225062][ T74] netlink_sendmsg+0x723/0xbe0 [ 5663.225062][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5663.225062][ T74] ___sys_sendmsg+0xee/0x170 [ 5663.225062][ T74] __sys_sendmsg+0xcd/0x170 [ 5663.225062][ T74] do_syscall_64+0xc6/0x1e0 [ 5663.225062][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5663.225062][ T74] [ 5663.226715][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5663.226715][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5663.226715][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5663.226715][ T74] ipv6_find_idev+0x102/0x170 [ 5663.226715][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5663.226715][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5663.226715][ T74] netlink_rcv_skb+0x130/0x360 [ 5663.226715][ T74] netlink_unicast+0x449/0x710 [ 5663.226715][ T74] netlink_sendmsg+0x723/0xbe0 [ 5663.226715][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5663.226715][ T74] ___sys_sendmsg+0xee/0x170 [ 5663.226715][ T74] __sys_sendmsg+0xcd/0x170 [ 5663.226715][ T74] do_syscall_64+0xc6/0x1e0 [ 5663.226715][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5663.226715][ T74] [ 5663.228637][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5663.228957][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5663.228957][ T74] netdev_get_by_index+0x5e/0x80 [ 5663.228957][ T74] fib6_nh_init+0x3d8/0x1580 [ 5663.228957][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5663.228957][ T74] ip6_route_add+0x1c/0x140 [ 5663.228957][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5663.228957][ T74] inet6_addr_add+0x4f8/0xa40 [ 5663.228957][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5663.228957][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5663.228957][ T74] netlink_rcv_skb+0x130/0x360 [ 5663.228957][ T74] netlink_unicast+0x449/0x710 [ 5663.228957][ T74] netlink_sendmsg+0x723/0xbe0 [ 5663.228957][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5663.228957][ T74] ___sys_sendmsg+0xee/0x170 [ 5663.228957][ T74] __sys_sendmsg+0xcd/0x170 [ 5663.228957][ T74] do_syscall_64+0xc6/0x1e0 [ 5663.228957][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5663.228957][ T74] [ 5663.231062][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5663.231062][ T74] netdev_get_by_index+0x5e/0x80 [ 5663.231062][ T74] fib6_nh_init+0x3d8/0x1580 [ 5663.231062][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5663.231062][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5663.231062][ T74] ipv6_add_addr+0x411/0x2000 [ 5663.231062][ T74] inet6_addr_add+0x30e/0xa40 [ 5663.231062][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5663.231062][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5663.231062][ T74] netlink_rcv_skb+0x130/0x360 [ 5663.231062][ T74] netlink_unicast+0x449/0x710 [ 5663.231062][ T74] netlink_sendmsg+0x723/0xbe0 [ 5663.231062][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5663.231062][ T74] ___sys_sendmsg+0xee/0x170 [ 5663.231062][ T74] __sys_sendmsg+0xcd/0x170 [ 5663.231062][ T74] do_syscall_64+0xc6/0x1e0 [ 5663.231062][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5663.231062][ T74] [ 5663.233307][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5663.233307][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5663.233307][ T74] ipv6_find_idev+0x102/0x170 [ 5663.233307][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5663.233307][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5663.233307][ T74] netlink_rcv_skb+0x130/0x360 [ 5663.233307][ T74] netlink_unicast+0x449/0x710 [ 5663.233307][ T74] netlink_sendmsg+0x723/0xbe0 [ 5663.233307][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5663.233307][ T74] ___sys_sendmsg+0xee/0x170 [ 5663.233307][ T74] __sys_sendmsg+0xcd/0x170 [ 5663.233307][ T74] do_syscall_64+0xc6/0x1e0 [ 5663.233307][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5663.233307][ T74] [ 5663.235023][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5663.235023][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5663.235023][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5663.235023][ T74] ipv6_find_idev+0x102/0x170 [ 5663.235023][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5663.235023][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5663.235023][ T74] netlink_rcv_skb+0x130/0x360 [ 5663.235023][ T74] netlink_unicast+0x449/0x710 [ 5663.235023][ T74] netlink_sendmsg+0x723/0xbe0 [ 5663.235023][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5663.235023][ T74] ___sys_sendmsg+0xee/0x170 [ 5663.235023][ T74] __sys_sendmsg+0xcd/0x170 [ 5663.235023][ T74] do_syscall_64+0xc6/0x1e0 [ 5663.235023][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5663.235023][ T74] [ 5673.479960][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5673.480385][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5673.480385][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5673.480385][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5673.480385][ T74] fib6_nh_init+0xa22/0x1580 [ 5673.480385][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5673.480385][ T74] ip6_route_add+0x1c/0x140 [ 5673.480385][ T74] inet6_rtm_newroute+0x104/0x110 [ 5673.480385][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5673.480385][ T74] netlink_rcv_skb+0x130/0x360 [ 5673.480385][ T74] netlink_unicast+0x449/0x710 [ 5673.480385][ T74] netlink_sendmsg+0x723/0xbe0 [ 5673.480385][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5673.480385][ T74] ___sys_sendmsg+0xee/0x170 [ 5673.480385][ T74] __sys_sendmsg+0xcd/0x170 [ 5673.480385][ T74] do_syscall_64+0xc6/0x1e0 [ 5673.480385][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5673.480385][ T74] [ 5673.482302][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5673.482302][ T74] netdev_get_by_index+0x5e/0x80 [ 5673.482302][ T74] fib6_nh_init+0x3d8/0x1580 [ 5673.482302][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5673.482302][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5673.482302][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5673.482302][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5673.482302][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5673.482302][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5673.482302][ T74] addrconf_dad_begin+0x310/0x670 [ 5673.482302][ T74] addrconf_dad_work+0x10b/0xab0 [ 5673.482302][ T74] process_one_work+0x84d/0x18a0 [ 5673.482302][ T74] worker_thread+0x587/0xd30 [ 5673.482302][ T74] kthread+0x28a/0x350 [ 5673.482302][ T74] ret_from_fork+0x31/0x70 [ 5673.482302][ T74] ret_from_fork_asm+0x1a/0x30 [ 5673.482302][ T74] [ 5673.484306][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5673.484306][ T74] netdev_get_by_index+0x5e/0x80 [ 5673.484306][ T74] fib6_nh_init+0x3d8/0x1580 [ 5673.484306][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5673.484306][ T74] ip6_route_add+0x1c/0x140 [ 5673.484306][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5673.484306][ T74] inet6_addr_add+0x4f8/0xa40 [ 5673.484306][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5673.484306][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5673.484306][ T74] netlink_rcv_skb+0x130/0x360 [ 5673.484306][ T74] netlink_unicast+0x449/0x710 [ 5673.484306][ T74] netlink_sendmsg+0x723/0xbe0 [ 5673.484306][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5673.484306][ T74] ___sys_sendmsg+0xee/0x170 [ 5673.484306][ T74] __sys_sendmsg+0xcd/0x170 [ 5673.484306][ T74] do_syscall_64+0xc6/0x1e0 [ 5673.484306][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5673.484306][ T74] [ 5673.486295][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5673.486295][ T74] netdev_get_by_index+0x5e/0x80 [ 5673.486295][ T74] fib6_nh_init+0x3d8/0x1580 [ 5673.486295][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5673.486295][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5673.486295][ T74] ipv6_add_addr+0x411/0x2000 [ 5673.486295][ T74] inet6_addr_add+0x30e/0xa40 [ 5673.486295][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5673.486295][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5673.486295][ T74] netlink_rcv_skb+0x130/0x360 [ 5673.486295][ T74] netlink_unicast+0x449/0x710 [ 5673.486295][ T74] netlink_sendmsg+0x723/0xbe0 [ 5673.486295][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5673.486295][ T74] ___sys_sendmsg+0xee/0x170 [ 5673.486295][ T74] __sys_sendmsg+0xcd/0x170 [ 5673.486295][ T74] do_syscall_64+0xc6/0x1e0 [ 5673.486295][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5673.486295][ T74] [ 5673.488281][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5673.488281][ T74] netdev_get_by_index+0x5e/0x80 [ 5673.488281][ T74] fib6_nh_init+0x3d8/0x1580 [ 5673.488281][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5673.488281][ T74] ip6_route_add+0x1c/0x140 [ 5673.488281][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5673.488281][ T74] addrconf_add_dev+0xe2/0x170 [ 5673.488281][ T74] inet6_addr_add+0x12f/0xa40 [ 5673.488281][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5673.488281][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5673.488281][ T74] netlink_rcv_skb+0x130/0x360 [ 5673.488281][ T74] netlink_unicast+0x449/0x710 [ 5673.488281][ T74] netlink_sendmsg+0x723/0xbe0 [ 5673.488281][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5673.488281][ T74] ___sys_sendmsg+0xee/0x170 [ 5673.488281][ T74] __sys_sendmsg+0xcd/0x170 [ 5673.488281][ T74] do_syscall_64+0xc6/0x1e0 [ 5673.488281][ T74] [ 5673.490247][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5673.490247][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5673.490247][ T74] ipv6_find_idev+0x102/0x170 [ 5673.490247][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5673.490247][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5673.490247][ T74] netlink_rcv_skb+0x130/0x360 [ 5673.490247][ T74] netlink_unicast+0x449/0x710 [ 5673.490247][ T74] netlink_sendmsg+0x723/0xbe0 [ 5673.490247][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5673.490247][ T74] ___sys_sendmsg+0xee/0x170 [ 5673.490247][ T74] __sys_sendmsg+0xcd/0x170 [ 5673.490247][ T74] do_syscall_64+0xc6/0x1e0 [ 5673.490247][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5673.490247][ T74] [ 5673.491773][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5673.491773][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5673.491773][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5673.491773][ T74] ipv6_find_idev+0x102/0x170 [ 5673.491773][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5673.491773][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5673.491773][ T74] netlink_rcv_skb+0x130/0x360 [ 5673.491773][ T74] netlink_unicast+0x449/0x710 [ 5673.491773][ T74] netlink_sendmsg+0x723/0xbe0 [ 5673.491773][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5673.491773][ T74] ___sys_sendmsg+0xee/0x170 [ 5673.491773][ T74] __sys_sendmsg+0xcd/0x170 [ 5673.491773][ T74] do_syscall_64+0xc6/0x1e0 [ 5673.491773][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5673.491773][ T74] [ 5673.494012][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5673.494288][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5673.494288][ T74] dst_init+0x84/0x4a0 [ 5673.494288][ T74] dst_alloc+0x97/0x150 [ 5673.494288][ T74] ip6_dst_alloc+0x23/0x90 [ 5673.494288][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5673.494288][ T74] ip6_pol_route+0x56f/0x840 [ 5673.494288][ T74] fib6_rule_lookup+0x456/0x630 [ 5673.494288][ T74] ip6_route_input+0x59c/0xa50 [ 5673.494288][ T74] ipv6_rcv+0x397/0x810 [ 5673.494288][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5673.494288][ T74] process_backlog+0x101/0x620 [ 5673.494288][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5673.494288][ T74] net_rx_action+0x495/0xbe0 [ 5673.494288][ T74] __do_softirq+0x1b5/0x7f6 [ 5673.494288][ T74] [ 5673.495916][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5673.495916][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5673.495916][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5673.495916][ T74] fib6_nh_init+0xa22/0x1580 [ 5673.495916][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5673.495916][ T74] ip6_route_add+0x1c/0x140 [ 5673.495916][ T74] inet6_rtm_newroute+0x104/0x110 [ 5673.495916][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5673.495916][ T74] netlink_rcv_skb+0x130/0x360 [ 5673.495916][ T74] netlink_unicast+0x449/0x710 [ 5673.495916][ T74] netlink_sendmsg+0x723/0xbe0 [ 5673.495916][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5673.495916][ T74] ___sys_sendmsg+0xee/0x170 [ 5673.495916][ T74] __sys_sendmsg+0xcd/0x170 [ 5673.495916][ T74] do_syscall_64+0xc6/0x1e0 [ 5673.495916][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5673.495916][ T74] [ 5673.497776][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5673.497776][ T74] netdev_get_by_index+0x5e/0x80 [ 5673.497776][ T74] fib6_nh_init+0x3d8/0x1580 [ 5673.497776][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5673.497776][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5673.497776][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5673.497776][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5673.497776][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5673.497776][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5673.497776][ T74] addrconf_dad_begin+0x310/0x670 [ 5673.497776][ T74] addrconf_dad_work+0x10b/0xab0 [ 5673.497776][ T74] process_one_work+0x84d/0x18a0 [ 5673.497776][ T74] worker_thread+0x587/0xd30 [ 5673.497776][ T74] kthread+0x28a/0x350 [ 5673.497776][ T74] ret_from_fork+0x31/0x70 [ 5673.497776][ T74] ret_from_fork_asm+0x1a/0x30 [ 5673.497776][ T74] [ 5673.499668][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5673.499668][ T74] netdev_get_by_index+0x5e/0x80 [ 5673.499668][ T74] fib6_nh_init+0x3d8/0x1580 [ 5673.499668][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5673.499668][ T74] ip6_route_add+0x1c/0x140 [ 5673.499668][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5673.499668][ T74] inet6_addr_add+0x4f8/0xa40 [ 5673.499668][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5673.499668][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5673.499668][ T74] netlink_rcv_skb+0x130/0x360 [ 5673.499668][ T74] netlink_unicast+0x449/0x710 [ 5673.499668][ T74] netlink_sendmsg+0x723/0xbe0 [ 5673.499668][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5673.499668][ T74] ___sys_sendmsg+0xee/0x170 [ 5673.499668][ T74] __sys_sendmsg+0xcd/0x170 [ 5673.499668][ T74] do_syscall_64+0xc6/0x1e0 [ 5673.499668][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5673.499668][ T74] [ 5673.501649][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5673.501649][ T74] netdev_get_by_index+0x5e/0x80 [ 5673.501649][ T74] fib6_nh_init+0x3d8/0x1580 [ 5673.501649][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5673.501649][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5673.501649][ T74] ipv6_add_addr+0x411/0x2000 [ 5673.501649][ T74] inet6_addr_add+0x30e/0xa40 [ 5673.501649][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5673.501649][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5673.501649][ T74] netlink_rcv_skb+0x130/0x360 [ 5673.501649][ T74] netlink_unicast+0x449/0x710 [ 5673.501649][ T74] netlink_sendmsg+0x723/0xbe0 [ 5673.501649][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5673.501649][ T74] ___sys_sendmsg+0xee/0x170 [ 5673.501649][ T74] __sys_sendmsg+0xcd/0x170 [ 5673.501649][ T74] do_syscall_64+0xc6/0x1e0 [ 5673.501649][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5673.501649][ T74] [ 5673.503657][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5673.503657][ T74] netdev_get_by_index+0x5e/0x80 [ 5673.503657][ T74] fib6_nh_init+0x3d8/0x1580 [ 5673.503657][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5673.503657][ T74] ip6_route_add+0x1c/0x140 [ 5673.503657][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5673.503657][ T74] addrconf_add_dev+0xe2/0x170 [ 5673.503657][ T74] inet6_addr_add+0x12f/0xa40 [ 5673.503657][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5673.503657][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5673.503657][ T74] netlink_rcv_skb+0x130/0x360 [ 5673.503657][ T74] netlink_unicast+0x449/0x710 [ 5673.503657][ T74] netlink_sendmsg+0x723/0xbe0 [ 5673.503657][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5673.503657][ T74] ___sys_sendmsg+0xee/0x170 [ 5673.503657][ T74] __sys_sendmsg+0xcd/0x170 [ 5673.503657][ T74] do_syscall_64+0xc6/0x1e0 [ 5673.503657][ T74] [ 5673.505603][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5673.505603][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5673.505603][ T74] ipv6_find_idev+0x102/0x170 [ 5673.505603][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5673.505603][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5673.505603][ T74] netlink_rcv_skb+0x130/0x360 [ 5673.505603][ T74] netlink_unicast+0x449/0x710 [ 5673.505603][ T74] netlink_sendmsg+0x723/0xbe0 [ 5673.505603][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5673.505603][ T74] ___sys_sendmsg+0xee/0x170 [ 5673.505603][ T74] __sys_sendmsg+0xcd/0x170 [ 5673.505603][ T74] do_syscall_64+0xc6/0x1e0 [ 5673.505603][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5673.505603][ T74] [ 5673.507265][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5673.507265][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5673.507265][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5673.507265][ T74] ipv6_find_idev+0x102/0x170 [ 5673.507265][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5673.507265][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5673.507265][ T74] netlink_rcv_skb+0x130/0x360 [ 5673.507265][ T74] netlink_unicast+0x449/0x710 [ 5673.507265][ T74] netlink_sendmsg+0x723/0xbe0 [ 5673.507265][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5673.507265][ T74] ___sys_sendmsg+0xee/0x170 [ 5673.507265][ T74] __sys_sendmsg+0xcd/0x170 [ 5673.507265][ T74] do_syscall_64+0xc6/0x1e0 [ 5673.507265][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5673.507265][ T74] [ 5673.509230][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5673.509470][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5673.509470][ T74] netdev_get_by_index+0x5e/0x80 [ 5673.509470][ T74] fib6_nh_init+0x3d8/0x1580 [ 5673.509470][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5673.509470][ T74] ip6_route_add+0x1c/0x140 [ 5673.509470][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5673.509470][ T74] inet6_addr_add+0x4f8/0xa40 [ 5673.509470][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5673.509470][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5673.509470][ T74] netlink_rcv_skb+0x130/0x360 [ 5673.509470][ T74] netlink_unicast+0x449/0x710 [ 5673.509470][ T74] netlink_sendmsg+0x723/0xbe0 [ 5673.509470][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5673.509470][ T74] ___sys_sendmsg+0xee/0x170 [ 5673.509470][ T74] __sys_sendmsg+0xcd/0x170 [ 5673.509470][ T74] do_syscall_64+0xc6/0x1e0 [ 5673.509470][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5673.509470][ T74] [ 5673.511720][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5673.511720][ T74] netdev_get_by_index+0x5e/0x80 [ 5673.511720][ T74] fib6_nh_init+0x3d8/0x1580 [ 5673.511720][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5673.511720][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5673.511720][ T74] ipv6_add_addr+0x411/0x2000 [ 5673.511720][ T74] inet6_addr_add+0x30e/0xa40 [ 5673.511720][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5673.511720][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5673.511720][ T74] netlink_rcv_skb+0x130/0x360 [ 5673.511720][ T74] netlink_unicast+0x449/0x710 [ 5673.511720][ T74] netlink_sendmsg+0x723/0xbe0 [ 5673.511720][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5673.511720][ T74] ___sys_sendmsg+0xee/0x170 [ 5673.511720][ T74] __sys_sendmsg+0xcd/0x170 [ 5673.511720][ T74] do_syscall_64+0xc6/0x1e0 [ 5673.511720][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5673.511720][ T74] [ 5673.513948][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5673.513948][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5673.513948][ T74] ipv6_find_idev+0x102/0x170 [ 5673.513948][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5673.513948][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5673.513948][ T74] netlink_rcv_skb+0x130/0x360 [ 5673.513948][ T74] netlink_unicast+0x449/0x710 [ 5673.513948][ T74] netlink_sendmsg+0x723/0xbe0 [ 5673.513948][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5673.513948][ T74] ___sys_sendmsg+0xee/0x170 [ 5673.513948][ T74] __sys_sendmsg+0xcd/0x170 [ 5673.513948][ T74] do_syscall_64+0xc6/0x1e0 [ 5673.513948][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5673.513948][ T74] [ 5673.515593][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5673.515593][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5673.515593][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5673.515593][ T74] ipv6_find_idev+0x102/0x170 [ 5673.515593][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5673.515593][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5673.515593][ T74] netlink_rcv_skb+0x130/0x360 [ 5673.515593][ T74] netlink_unicast+0x449/0x710 [ 5673.515593][ T74] netlink_sendmsg+0x723/0xbe0 [ 5673.515593][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5673.515593][ T74] ___sys_sendmsg+0xee/0x170 [ 5673.515593][ T74] __sys_sendmsg+0xcd/0x170 [ 5673.515593][ T74] do_syscall_64+0xc6/0x1e0 [ 5673.515593][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5673.515593][ T74] [ 5683.711962][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5683.712402][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5683.712402][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5683.712402][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5683.712402][ T74] fib6_nh_init+0xa22/0x1580 [ 5683.712402][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5683.712402][ T74] ip6_route_add+0x1c/0x140 [ 5683.712402][ T74] inet6_rtm_newroute+0x104/0x110 [ 5683.712402][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5683.712402][ T74] netlink_rcv_skb+0x130/0x360 [ 5683.712402][ T74] netlink_unicast+0x449/0x710 [ 5683.712402][ T74] netlink_sendmsg+0x723/0xbe0 [ 5683.712402][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5683.712402][ T74] ___sys_sendmsg+0xee/0x170 [ 5683.712402][ T74] __sys_sendmsg+0xcd/0x170 [ 5683.712402][ T74] do_syscall_64+0xc6/0x1e0 [ 5683.712402][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5683.712402][ T74] [ 5683.714295][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5683.714295][ T74] netdev_get_by_index+0x5e/0x80 [ 5683.714295][ T74] fib6_nh_init+0x3d8/0x1580 [ 5683.714295][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5683.714295][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5683.714295][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5683.714295][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5683.714295][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5683.714295][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5683.714295][ T74] addrconf_dad_begin+0x310/0x670 [ 5683.714295][ T74] addrconf_dad_work+0x10b/0xab0 [ 5683.714295][ T74] process_one_work+0x84d/0x18a0 [ 5683.714295][ T74] worker_thread+0x587/0xd30 [ 5683.714295][ T74] kthread+0x28a/0x350 [ 5683.714295][ T74] ret_from_fork+0x31/0x70 [ 5683.714295][ T74] ret_from_fork_asm+0x1a/0x30 [ 5683.714295][ T74] [ 5683.716201][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5683.716201][ T74] netdev_get_by_index+0x5e/0x80 [ 5683.716201][ T74] fib6_nh_init+0x3d8/0x1580 [ 5683.716201][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5683.716201][ T74] ip6_route_add+0x1c/0x140 [ 5683.716201][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5683.716201][ T74] inet6_addr_add+0x4f8/0xa40 [ 5683.716201][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5683.716201][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5683.716201][ T74] netlink_rcv_skb+0x130/0x360 [ 5683.716201][ T74] netlink_unicast+0x449/0x710 [ 5683.716201][ T74] netlink_sendmsg+0x723/0xbe0 [ 5683.716201][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5683.716201][ T74] ___sys_sendmsg+0xee/0x170 [ 5683.716201][ T74] __sys_sendmsg+0xcd/0x170 [ 5683.716201][ T74] do_syscall_64+0xc6/0x1e0 [ 5683.716201][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5683.716201][ T74] [ 5683.718190][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5683.718190][ T74] netdev_get_by_index+0x5e/0x80 [ 5683.718190][ T74] fib6_nh_init+0x3d8/0x1580 [ 5683.718190][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5683.718190][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5683.718190][ T74] ipv6_add_addr+0x411/0x2000 [ 5683.718190][ T74] inet6_addr_add+0x30e/0xa40 [ 5683.718190][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5683.718190][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5683.718190][ T74] netlink_rcv_skb+0x130/0x360 [ 5683.718190][ T74] netlink_unicast+0x449/0x710 [ 5683.718190][ T74] netlink_sendmsg+0x723/0xbe0 [ 5683.718190][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5683.718190][ T74] ___sys_sendmsg+0xee/0x170 [ 5683.718190][ T74] __sys_sendmsg+0xcd/0x170 [ 5683.718190][ T74] do_syscall_64+0xc6/0x1e0 [ 5683.718190][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5683.718190][ T74] [ 5683.720185][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5683.720185][ T74] netdev_get_by_index+0x5e/0x80 [ 5683.720185][ T74] fib6_nh_init+0x3d8/0x1580 [ 5683.720185][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5683.720185][ T74] ip6_route_add+0x1c/0x140 [ 5683.720185][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5683.720185][ T74] addrconf_add_dev+0xe2/0x170 [ 5683.720185][ T74] inet6_addr_add+0x12f/0xa40 [ 5683.720185][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5683.720185][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5683.720185][ T74] netlink_rcv_skb+0x130/0x360 [ 5683.720185][ T74] netlink_unicast+0x449/0x710 [ 5683.720185][ T74] netlink_sendmsg+0x723/0xbe0 [ 5683.720185][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5683.720185][ T74] ___sys_sendmsg+0xee/0x170 [ 5683.720185][ T74] __sys_sendmsg+0xcd/0x170 [ 5683.720185][ T74] do_syscall_64+0xc6/0x1e0 [ 5683.720185][ T74] [ 5683.722139][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5683.722139][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5683.722139][ T74] ipv6_find_idev+0x102/0x170 [ 5683.722139][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5683.722139][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5683.722139][ T74] netlink_rcv_skb+0x130/0x360 [ 5683.722139][ T74] netlink_unicast+0x449/0x710 [ 5683.722139][ T74] netlink_sendmsg+0x723/0xbe0 [ 5683.722139][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5683.722139][ T74] ___sys_sendmsg+0xee/0x170 [ 5683.722139][ T74] __sys_sendmsg+0xcd/0x170 [ 5683.722139][ T74] do_syscall_64+0xc6/0x1e0 [ 5683.722139][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5683.722139][ T74] [ 5683.723663][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5683.723663][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5683.723663][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5683.723663][ T74] ipv6_find_idev+0x102/0x170 [ 5683.723663][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5683.723663][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5683.723663][ T74] netlink_rcv_skb+0x130/0x360 [ 5683.723663][ T74] netlink_unicast+0x449/0x710 [ 5683.723663][ T74] netlink_sendmsg+0x723/0xbe0 [ 5683.723663][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5683.723663][ T74] ___sys_sendmsg+0xee/0x170 [ 5683.723663][ T74] __sys_sendmsg+0xcd/0x170 [ 5683.723663][ T74] do_syscall_64+0xc6/0x1e0 [ 5683.723663][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5683.723663][ T74] [ 5683.725341][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5683.725622][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5683.725622][ T74] dst_init+0x84/0x4a0 [ 5683.725622][ T74] dst_alloc+0x97/0x150 [ 5683.725622][ T74] ip6_dst_alloc+0x23/0x90 [ 5683.725622][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5683.725622][ T74] ip6_pol_route+0x56f/0x840 [ 5683.725622][ T74] fib6_rule_lookup+0x456/0x630 [ 5683.725622][ T74] ip6_route_input+0x59c/0xa50 [ 5683.725622][ T74] ipv6_rcv+0x397/0x810 [ 5683.725622][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5683.725622][ T74] process_backlog+0x101/0x620 [ 5683.725622][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5683.725622][ T74] net_rx_action+0x495/0xbe0 [ 5683.725622][ T74] __do_softirq+0x1b5/0x7f6 [ 5683.725622][ T74] [ 5683.727244][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5683.727244][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5683.727244][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5683.727244][ T74] fib6_nh_init+0xa22/0x1580 [ 5683.727244][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5683.727244][ T74] ip6_route_add+0x1c/0x140 [ 5683.727244][ T74] inet6_rtm_newroute+0x104/0x110 [ 5683.727244][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5683.727244][ T74] netlink_rcv_skb+0x130/0x360 [ 5683.727244][ T74] netlink_unicast+0x449/0x710 [ 5683.727244][ T74] netlink_sendmsg+0x723/0xbe0 [ 5683.727244][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5683.727244][ T74] ___sys_sendmsg+0xee/0x170 [ 5683.727244][ T74] __sys_sendmsg+0xcd/0x170 [ 5683.727244][ T74] do_syscall_64+0xc6/0x1e0 [ 5683.727244][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5683.727244][ T74] [ 5683.729103][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5683.729103][ T74] netdev_get_by_index+0x5e/0x80 [ 5683.729103][ T74] fib6_nh_init+0x3d8/0x1580 [ 5683.729103][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5683.729103][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5683.729103][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5683.729103][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5683.729103][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5683.729103][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5683.729103][ T74] addrconf_dad_begin+0x310/0x670 [ 5683.729103][ T74] addrconf_dad_work+0x10b/0xab0 [ 5683.729103][ T74] process_one_work+0x84d/0x18a0 [ 5683.729103][ T74] worker_thread+0x587/0xd30 [ 5683.729103][ T74] kthread+0x28a/0x350 [ 5683.729103][ T74] ret_from_fork+0x31/0x70 [ 5683.729103][ T74] ret_from_fork_asm+0x1a/0x30 [ 5683.729103][ T74] [ 5683.731000][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5683.731000][ T74] netdev_get_by_index+0x5e/0x80 [ 5683.731000][ T74] fib6_nh_init+0x3d8/0x1580 [ 5683.731000][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5683.731000][ T74] ip6_route_add+0x1c/0x140 [ 5683.731000][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5683.731000][ T74] inet6_addr_add+0x4f8/0xa40 [ 5683.731000][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5683.731000][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5683.731000][ T74] netlink_rcv_skb+0x130/0x360 [ 5683.731000][ T74] netlink_unicast+0x449/0x710 [ 5683.731000][ T74] netlink_sendmsg+0x723/0xbe0 [ 5683.731000][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5683.731000][ T74] ___sys_sendmsg+0xee/0x170 [ 5683.731000][ T74] __sys_sendmsg+0xcd/0x170 [ 5683.731000][ T74] do_syscall_64+0xc6/0x1e0 [ 5683.731000][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5683.731000][ T74] [ 5683.732991][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5683.732991][ T74] netdev_get_by_index+0x5e/0x80 [ 5683.732991][ T74] fib6_nh_init+0x3d8/0x1580 [ 5683.732991][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5683.732991][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5683.732991][ T74] ipv6_add_addr+0x411/0x2000 [ 5683.732991][ T74] inet6_addr_add+0x30e/0xa40 [ 5683.732991][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5683.732991][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5683.732991][ T74] netlink_rcv_skb+0x130/0x360 [ 5683.732991][ T74] netlink_unicast+0x449/0x710 [ 5683.732991][ T74] netlink_sendmsg+0x723/0xbe0 [ 5683.732991][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5683.732991][ T74] ___sys_sendmsg+0xee/0x170 [ 5683.732991][ T74] __sys_sendmsg+0xcd/0x170 [ 5683.732991][ T74] do_syscall_64+0xc6/0x1e0 [ 5683.732991][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5683.732991][ T74] [ 5683.734979][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5683.734979][ T74] netdev_get_by_index+0x5e/0x80 [ 5683.734979][ T74] fib6_nh_init+0x3d8/0x1580 [ 5683.734979][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5683.734979][ T74] ip6_route_add+0x1c/0x140 [ 5683.734979][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5683.734979][ T74] addrconf_add_dev+0xe2/0x170 [ 5683.734979][ T74] inet6_addr_add+0x12f/0xa40 [ 5683.734979][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5683.734979][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5683.734979][ T74] netlink_rcv_skb+0x130/0x360 [ 5683.734979][ T74] netlink_unicast+0x449/0x710 [ 5683.734979][ T74] netlink_sendmsg+0x723/0xbe0 [ 5683.734979][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5683.734979][ T74] ___sys_sendmsg+0xee/0x170 [ 5683.734979][ T74] __sys_sendmsg+0xcd/0x170 [ 5683.734979][ T74] do_syscall_64+0xc6/0x1e0 [ 5683.734979][ T74] [ 5683.736939][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5683.736939][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5683.736939][ T74] ipv6_find_idev+0x102/0x170 [ 5683.736939][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5683.736939][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5683.736939][ T74] netlink_rcv_skb+0x130/0x360 [ 5683.736939][ T74] netlink_unicast+0x449/0x710 [ 5683.736939][ T74] netlink_sendmsg+0x723/0xbe0 [ 5683.736939][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5683.736939][ T74] ___sys_sendmsg+0xee/0x170 [ 5683.736939][ T74] __sys_sendmsg+0xcd/0x170 [ 5683.736939][ T74] do_syscall_64+0xc6/0x1e0 [ 5683.736939][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5683.736939][ T74] [ 5683.738588][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5683.738588][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5683.738588][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5683.738588][ T74] ipv6_find_idev+0x102/0x170 [ 5683.738588][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5683.738588][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5683.738588][ T74] netlink_rcv_skb+0x130/0x360 [ 5683.738588][ T74] netlink_unicast+0x449/0x710 [ 5683.738588][ T74] netlink_sendmsg+0x723/0xbe0 [ 5683.738588][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5683.738588][ T74] ___sys_sendmsg+0xee/0x170 [ 5683.738588][ T74] __sys_sendmsg+0xcd/0x170 [ 5683.738588][ T74] do_syscall_64+0xc6/0x1e0 [ 5683.738588][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5683.738588][ T74] [ 5683.740535][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5683.740768][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5683.740768][ T74] netdev_get_by_index+0x5e/0x80 [ 5683.740768][ T74] fib6_nh_init+0x3d8/0x1580 [ 5683.740768][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5683.740768][ T74] ip6_route_add+0x1c/0x140 [ 5683.740768][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5683.740768][ T74] inet6_addr_add+0x4f8/0xa40 [ 5683.740768][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5683.740768][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5683.740768][ T74] netlink_rcv_skb+0x130/0x360 [ 5683.740768][ T74] netlink_unicast+0x449/0x710 [ 5683.740768][ T74] netlink_sendmsg+0x723/0xbe0 [ 5683.740768][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5683.740768][ T74] ___sys_sendmsg+0xee/0x170 [ 5683.740768][ T74] __sys_sendmsg+0xcd/0x170 [ 5683.740768][ T74] do_syscall_64+0xc6/0x1e0 [ 5683.740768][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5683.740768][ T74] [ 5683.743006][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5683.743006][ T74] netdev_get_by_index+0x5e/0x80 [ 5683.743006][ T74] fib6_nh_init+0x3d8/0x1580 [ 5683.743006][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5683.743006][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5683.743006][ T74] ipv6_add_addr+0x411/0x2000 [ 5683.743006][ T74] inet6_addr_add+0x30e/0xa40 [ 5683.743006][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5683.743006][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5683.743006][ T74] netlink_rcv_skb+0x130/0x360 [ 5683.743006][ T74] netlink_unicast+0x449/0x710 [ 5683.743006][ T74] netlink_sendmsg+0x723/0xbe0 [ 5683.743006][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5683.743006][ T74] ___sys_sendmsg+0xee/0x170 [ 5683.743006][ T74] __sys_sendmsg+0xcd/0x170 [ 5683.743006][ T74] do_syscall_64+0xc6/0x1e0 [ 5683.743006][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5683.743006][ T74] [ 5683.745227][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5683.745227][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5683.745227][ T74] ipv6_find_idev+0x102/0x170 [ 5683.745227][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5683.745227][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5683.745227][ T74] netlink_rcv_skb+0x130/0x360 [ 5683.745227][ T74] netlink_unicast+0x449/0x710 [ 5683.745227][ T74] netlink_sendmsg+0x723/0xbe0 [ 5683.745227][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5683.745227][ T74] ___sys_sendmsg+0xee/0x170 [ 5683.745227][ T74] __sys_sendmsg+0xcd/0x170 [ 5683.745227][ T74] do_syscall_64+0xc6/0x1e0 [ 5683.745227][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5683.745227][ T74] [ 5683.746809][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5683.746809][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5683.746809][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5683.746809][ T74] ipv6_find_idev+0x102/0x170 [ 5683.746809][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5683.746809][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5683.746809][ T74] netlink_rcv_skb+0x130/0x360 [ 5683.746809][ T74] netlink_unicast+0x449/0x710 [ 5683.746809][ T74] netlink_sendmsg+0x723/0xbe0 [ 5683.746809][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5683.746809][ T74] ___sys_sendmsg+0xee/0x170 [ 5683.746809][ T74] __sys_sendmsg+0xcd/0x170 [ 5683.746809][ T74] do_syscall_64+0xc6/0x1e0 [ 5683.746809][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5683.746809][ T74] [ 5693.983968][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5693.984404][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5693.984404][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5693.984404][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5693.984404][ T74] fib6_nh_init+0xa22/0x1580 [ 5693.984404][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5693.984404][ T74] ip6_route_add+0x1c/0x140 [ 5693.984404][ T74] inet6_rtm_newroute+0x104/0x110 [ 5693.984404][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5693.984404][ T74] netlink_rcv_skb+0x130/0x360 [ 5693.984404][ T74] netlink_unicast+0x449/0x710 [ 5693.984404][ T74] netlink_sendmsg+0x723/0xbe0 [ 5693.984404][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5693.984404][ T74] ___sys_sendmsg+0xee/0x170 [ 5693.984404][ T74] __sys_sendmsg+0xcd/0x170 [ 5693.984404][ T74] do_syscall_64+0xc6/0x1e0 [ 5693.984404][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5693.984404][ T74] [ 5693.986294][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5693.986294][ T74] netdev_get_by_index+0x5e/0x80 [ 5693.986294][ T74] fib6_nh_init+0x3d8/0x1580 [ 5693.986294][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5693.986294][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5693.986294][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5693.986294][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5693.986294][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5693.986294][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5693.986294][ T74] addrconf_dad_begin+0x310/0x670 [ 5693.986294][ T74] addrconf_dad_work+0x10b/0xab0 [ 5693.986294][ T74] process_one_work+0x84d/0x18a0 [ 5693.986294][ T74] worker_thread+0x587/0xd30 [ 5693.986294][ T74] kthread+0x28a/0x350 [ 5693.986294][ T74] ret_from_fork+0x31/0x70 [ 5693.986294][ T74] ret_from_fork_asm+0x1a/0x30 [ 5693.986294][ T74] [ 5693.988205][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5693.988205][ T74] netdev_get_by_index+0x5e/0x80 [ 5693.988205][ T74] fib6_nh_init+0x3d8/0x1580 [ 5693.988205][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5693.988205][ T74] ip6_route_add+0x1c/0x140 [ 5693.988205][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5693.988205][ T74] inet6_addr_add+0x4f8/0xa40 [ 5693.988205][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5693.988205][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5693.988205][ T74] netlink_rcv_skb+0x130/0x360 [ 5693.988205][ T74] netlink_unicast+0x449/0x710 [ 5693.988205][ T74] netlink_sendmsg+0x723/0xbe0 [ 5693.988205][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5693.988205][ T74] ___sys_sendmsg+0xee/0x170 [ 5693.988205][ T74] __sys_sendmsg+0xcd/0x170 [ 5693.988205][ T74] do_syscall_64+0xc6/0x1e0 [ 5693.988205][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5693.988205][ T74] [ 5693.990200][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5693.990200][ T74] netdev_get_by_index+0x5e/0x80 [ 5693.990200][ T74] fib6_nh_init+0x3d8/0x1580 [ 5693.990200][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5693.990200][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5693.990200][ T74] ipv6_add_addr+0x411/0x2000 [ 5693.990200][ T74] inet6_addr_add+0x30e/0xa40 [ 5693.990200][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5693.990200][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5693.990200][ T74] netlink_rcv_skb+0x130/0x360 [ 5693.990200][ T74] netlink_unicast+0x449/0x710 [ 5693.990200][ T74] netlink_sendmsg+0x723/0xbe0 [ 5693.990200][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5693.990200][ T74] ___sys_sendmsg+0xee/0x170 [ 5693.990200][ T74] __sys_sendmsg+0xcd/0x170 [ 5693.990200][ T74] do_syscall_64+0xc6/0x1e0 [ 5693.990200][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5693.990200][ T74] [ 5693.992212][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5693.992212][ T74] netdev_get_by_index+0x5e/0x80 [ 5693.992212][ T74] fib6_nh_init+0x3d8/0x1580 [ 5693.992212][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5693.992212][ T74] ip6_route_add+0x1c/0x140 [ 5693.992212][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5693.992212][ T74] addrconf_add_dev+0xe2/0x170 [ 5693.992212][ T74] inet6_addr_add+0x12f/0xa40 [ 5693.992212][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5693.992212][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5693.992212][ T74] netlink_rcv_skb+0x130/0x360 [ 5693.992212][ T74] netlink_unicast+0x449/0x710 [ 5693.992212][ T74] netlink_sendmsg+0x723/0xbe0 [ 5693.992212][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5693.992212][ T74] ___sys_sendmsg+0xee/0x170 [ 5693.992212][ T74] __sys_sendmsg+0xcd/0x170 [ 5693.992212][ T74] do_syscall_64+0xc6/0x1e0 [ 5693.992212][ T74] [ 5693.994180][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5693.994180][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5693.994180][ T74] ipv6_find_idev+0x102/0x170 [ 5693.994180][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5693.994180][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5693.994180][ T74] netlink_rcv_skb+0x130/0x360 [ 5693.994180][ T74] netlink_unicast+0x449/0x710 [ 5693.994180][ T74] netlink_sendmsg+0x723/0xbe0 [ 5693.994180][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5693.994180][ T74] ___sys_sendmsg+0xee/0x170 [ 5693.994180][ T74] __sys_sendmsg+0xcd/0x170 [ 5693.994180][ T74] do_syscall_64+0xc6/0x1e0 [ 5693.994180][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5693.994180][ T74] [ 5693.995714][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5693.995714][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5693.995714][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5693.995714][ T74] ipv6_find_idev+0x102/0x170 [ 5693.995714][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5693.995714][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5693.995714][ T74] netlink_rcv_skb+0x130/0x360 [ 5693.995714][ T74] netlink_unicast+0x449/0x710 [ 5693.995714][ T74] netlink_sendmsg+0x723/0xbe0 [ 5693.995714][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5693.995714][ T74] ___sys_sendmsg+0xee/0x170 [ 5693.995714][ T74] __sys_sendmsg+0xcd/0x170 [ 5693.995714][ T74] do_syscall_64+0xc6/0x1e0 [ 5693.995714][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5693.995714][ T74] [ 5693.997396][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5693.997666][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5693.997666][ T74] dst_init+0x84/0x4a0 [ 5693.997666][ T74] dst_alloc+0x97/0x150 [ 5693.997666][ T74] ip6_dst_alloc+0x23/0x90 [ 5693.997666][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5693.997666][ T74] ip6_pol_route+0x56f/0x840 [ 5693.997666][ T74] fib6_rule_lookup+0x456/0x630 [ 5693.997666][ T74] ip6_route_input+0x59c/0xa50 [ 5693.997666][ T74] ipv6_rcv+0x397/0x810 [ 5693.997666][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5693.997666][ T74] process_backlog+0x101/0x620 [ 5693.997666][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5693.997666][ T74] net_rx_action+0x495/0xbe0 [ 5693.997666][ T74] __do_softirq+0x1b5/0x7f6 [ 5693.997666][ T74] [ 5693.999287][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5693.999287][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5693.999287][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5693.999287][ T74] fib6_nh_init+0xa22/0x1580 [ 5693.999287][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5693.999287][ T74] ip6_route_add+0x1c/0x140 [ 5693.999287][ T74] inet6_rtm_newroute+0x104/0x110 [ 5693.999287][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5693.999287][ T74] netlink_rcv_skb+0x130/0x360 [ 5693.999287][ T74] netlink_unicast+0x449/0x710 [ 5693.999287][ T74] netlink_sendmsg+0x723/0xbe0 [ 5693.999287][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5693.999287][ T74] ___sys_sendmsg+0xee/0x170 [ 5693.999287][ T74] __sys_sendmsg+0xcd/0x170 [ 5693.999287][ T74] do_syscall_64+0xc6/0x1e0 [ 5693.999287][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5693.999287][ T74] [ 5694.001141][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5694.001141][ T74] netdev_get_by_index+0x5e/0x80 [ 5694.001141][ T74] fib6_nh_init+0x3d8/0x1580 [ 5694.001141][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5694.001141][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5694.001141][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5694.001141][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5694.001141][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5694.001141][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5694.001141][ T74] addrconf_dad_begin+0x310/0x670 [ 5694.001141][ T74] addrconf_dad_work+0x10b/0xab0 [ 5694.001141][ T74] process_one_work+0x84d/0x18a0 [ 5694.001141][ T74] worker_thread+0x587/0xd30 [ 5694.001141][ T74] kthread+0x28a/0x350 [ 5694.001141][ T74] ret_from_fork+0x31/0x70 [ 5694.001141][ T74] ret_from_fork_asm+0x1a/0x30 [ 5694.001141][ T74] [ 5694.003047][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5694.003047][ T74] netdev_get_by_index+0x5e/0x80 [ 5694.003047][ T74] fib6_nh_init+0x3d8/0x1580 [ 5694.003047][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5694.003047][ T74] ip6_route_add+0x1c/0x140 [ 5694.003047][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5694.003047][ T74] inet6_addr_add+0x4f8/0xa40 [ 5694.003047][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5694.003047][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5694.003047][ T74] netlink_rcv_skb+0x130/0x360 [ 5694.003047][ T74] netlink_unicast+0x449/0x710 [ 5694.003047][ T74] netlink_sendmsg+0x723/0xbe0 [ 5694.003047][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5694.003047][ T74] ___sys_sendmsg+0xee/0x170 [ 5694.003047][ T74] __sys_sendmsg+0xcd/0x170 [ 5694.003047][ T74] do_syscall_64+0xc6/0x1e0 [ 5694.003047][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5694.003047][ T74] [ 5694.005028][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5694.005028][ T74] netdev_get_by_index+0x5e/0x80 [ 5694.005028][ T74] fib6_nh_init+0x3d8/0x1580 [ 5694.005028][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5694.005028][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5694.005028][ T74] ipv6_add_addr+0x411/0x2000 [ 5694.005028][ T74] inet6_addr_add+0x30e/0xa40 [ 5694.005028][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5694.005028][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5694.005028][ T74] netlink_rcv_skb+0x130/0x360 [ 5694.005028][ T74] netlink_unicast+0x449/0x710 [ 5694.005028][ T74] netlink_sendmsg+0x723/0xbe0 [ 5694.005028][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5694.005028][ T74] ___sys_sendmsg+0xee/0x170 [ 5694.005028][ T74] __sys_sendmsg+0xcd/0x170 [ 5694.005028][ T74] do_syscall_64+0xc6/0x1e0 [ 5694.005028][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5694.005028][ T74] [ 5694.007009][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5694.007009][ T74] netdev_get_by_index+0x5e/0x80 [ 5694.007009][ T74] fib6_nh_init+0x3d8/0x1580 [ 5694.007009][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5694.007009][ T74] ip6_route_add+0x1c/0x140 [ 5694.007009][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5694.007009][ T74] addrconf_add_dev+0xe2/0x170 [ 5694.007009][ T74] inet6_addr_add+0x12f/0xa40 [ 5694.007009][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5694.007009][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5694.007009][ T74] netlink_rcv_skb+0x130/0x360 [ 5694.007009][ T74] netlink_unicast+0x449/0x710 [ 5694.007009][ T74] netlink_sendmsg+0x723/0xbe0 [ 5694.007009][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5694.007009][ T74] ___sys_sendmsg+0xee/0x170 [ 5694.007009][ T74] __sys_sendmsg+0xcd/0x170 [ 5694.007009][ T74] do_syscall_64+0xc6/0x1e0 [ 5694.007009][ T74] [ 5694.008948][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5694.008948][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5694.008948][ T74] ipv6_find_idev+0x102/0x170 [ 5694.008948][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5694.008948][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5694.008948][ T74] netlink_rcv_skb+0x130/0x360 [ 5694.008948][ T74] netlink_unicast+0x449/0x710 [ 5694.008948][ T74] netlink_sendmsg+0x723/0xbe0 [ 5694.008948][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5694.008948][ T74] ___sys_sendmsg+0xee/0x170 [ 5694.008948][ T74] __sys_sendmsg+0xcd/0x170 [ 5694.008948][ T74] do_syscall_64+0xc6/0x1e0 [ 5694.008948][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5694.008948][ T74] [ 5694.010594][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5694.010594][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5694.010594][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5694.010594][ T74] ipv6_find_idev+0x102/0x170 [ 5694.010594][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5694.010594][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5694.010594][ T74] netlink_rcv_skb+0x130/0x360 [ 5694.010594][ T74] netlink_unicast+0x449/0x710 [ 5694.010594][ T74] netlink_sendmsg+0x723/0xbe0 [ 5694.010594][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5694.010594][ T74] ___sys_sendmsg+0xee/0x170 [ 5694.010594][ T74] __sys_sendmsg+0xcd/0x170 [ 5694.010594][ T74] do_syscall_64+0xc6/0x1e0 [ 5694.010594][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5694.010594][ T74] [ 5694.012499][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5694.012731][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5694.012731][ T74] netdev_get_by_index+0x5e/0x80 [ 5694.012731][ T74] fib6_nh_init+0x3d8/0x1580 [ 5694.012731][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5694.012731][ T74] ip6_route_add+0x1c/0x140 [ 5694.012731][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5694.012731][ T74] inet6_addr_add+0x4f8/0xa40 [ 5694.012731][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5694.012731][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5694.012731][ T74] netlink_rcv_skb+0x130/0x360 [ 5694.012731][ T74] netlink_unicast+0x449/0x710 [ 5694.012731][ T74] netlink_sendmsg+0x723/0xbe0 [ 5694.012731][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5694.012731][ T74] ___sys_sendmsg+0xee/0x170 [ 5694.012731][ T74] __sys_sendmsg+0xcd/0x170 [ 5694.012731][ T74] do_syscall_64+0xc6/0x1e0 [ 5694.012731][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5694.012731][ T74] [ 5694.014947][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5694.014947][ T74] netdev_get_by_index+0x5e/0x80 [ 5694.014947][ T74] fib6_nh_init+0x3d8/0x1580 [ 5694.014947][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5694.014947][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5694.014947][ T74] ipv6_add_addr+0x411/0x2000 [ 5694.014947][ T74] inet6_addr_add+0x30e/0xa40 [ 5694.014947][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5694.014947][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5694.014947][ T74] netlink_rcv_skb+0x130/0x360 [ 5694.014947][ T74] netlink_unicast+0x449/0x710 [ 5694.014947][ T74] netlink_sendmsg+0x723/0xbe0 [ 5694.014947][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5694.014947][ T74] ___sys_sendmsg+0xee/0x170 [ 5694.014947][ T74] __sys_sendmsg+0xcd/0x170 [ 5694.014947][ T74] do_syscall_64+0xc6/0x1e0 [ 5694.014947][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5694.014947][ T74] [ 5694.017097][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5694.017097][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5694.017097][ T74] ipv6_find_idev+0x102/0x170 [ 5694.017097][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5694.017097][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5694.017097][ T74] netlink_rcv_skb+0x130/0x360 [ 5694.017097][ T74] netlink_unicast+0x449/0x710 [ 5694.017097][ T74] netlink_sendmsg+0x723/0xbe0 [ 5694.017097][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5694.017097][ T74] ___sys_sendmsg+0xee/0x170 [ 5694.017097][ T74] __sys_sendmsg+0xcd/0x170 [ 5694.017097][ T74] do_syscall_64+0xc6/0x1e0 [ 5694.017097][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5694.017097][ T74] [ 5694.018808][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5694.018808][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5694.018808][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5694.018808][ T74] ipv6_find_idev+0x102/0x170 [ 5694.018808][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5694.018808][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5694.018808][ T74] netlink_rcv_skb+0x130/0x360 [ 5694.018808][ T74] netlink_unicast+0x449/0x710 [ 5694.018808][ T74] netlink_sendmsg+0x723/0xbe0 [ 5694.018808][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5694.018808][ T74] ___sys_sendmsg+0xee/0x170 [ 5694.018808][ T74] __sys_sendmsg+0xcd/0x170 [ 5694.018808][ T74] do_syscall_64+0xc6/0x1e0 [ 5694.018808][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5694.018808][ T74] [ 5704.256032][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5704.256485][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5704.256485][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5704.256485][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5704.256485][ T74] fib6_nh_init+0xa22/0x1580 [ 5704.256485][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5704.256485][ T74] ip6_route_add+0x1c/0x140 [ 5704.256485][ T74] inet6_rtm_newroute+0x104/0x110 [ 5704.256485][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5704.256485][ T74] netlink_rcv_skb+0x130/0x360 [ 5704.256485][ T74] netlink_unicast+0x449/0x710 [ 5704.256485][ T74] netlink_sendmsg+0x723/0xbe0 [ 5704.256485][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5704.256485][ T74] ___sys_sendmsg+0xee/0x170 [ 5704.256485][ T74] __sys_sendmsg+0xcd/0x170 [ 5704.256485][ T74] do_syscall_64+0xc6/0x1e0 [ 5704.256485][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5704.256485][ T74] [ 5704.258394][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5704.258394][ T74] netdev_get_by_index+0x5e/0x80 [ 5704.258394][ T74] fib6_nh_init+0x3d8/0x1580 [ 5704.258394][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5704.258394][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5704.258394][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5704.258394][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5704.258394][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5704.258394][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5704.258394][ T74] addrconf_dad_begin+0x310/0x670 [ 5704.258394][ T74] addrconf_dad_work+0x10b/0xab0 [ 5704.258394][ T74] process_one_work+0x84d/0x18a0 [ 5704.258394][ T74] worker_thread+0x587/0xd30 [ 5704.258394][ T74] kthread+0x28a/0x350 [ 5704.258394][ T74] ret_from_fork+0x31/0x70 [ 5704.258394][ T74] ret_from_fork_asm+0x1a/0x30 [ 5704.258394][ T74] [ 5704.260331][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5704.260331][ T74] netdev_get_by_index+0x5e/0x80 [ 5704.260331][ T74] fib6_nh_init+0x3d8/0x1580 [ 5704.260331][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5704.260331][ T74] ip6_route_add+0x1c/0x140 [ 5704.260331][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5704.260331][ T74] inet6_addr_add+0x4f8/0xa40 [ 5704.260331][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5704.260331][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5704.260331][ T74] netlink_rcv_skb+0x130/0x360 [ 5704.260331][ T74] netlink_unicast+0x449/0x710 [ 5704.260331][ T74] netlink_sendmsg+0x723/0xbe0 [ 5704.260331][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5704.260331][ T74] ___sys_sendmsg+0xee/0x170 [ 5704.260331][ T74] __sys_sendmsg+0xcd/0x170 [ 5704.260331][ T74] do_syscall_64+0xc6/0x1e0 [ 5704.260331][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5704.260331][ T74] [ 5704.262366][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5704.262366][ T74] netdev_get_by_index+0x5e/0x80 [ 5704.262366][ T74] fib6_nh_init+0x3d8/0x1580 [ 5704.262366][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5704.262366][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5704.262366][ T74] ipv6_add_addr+0x411/0x2000 [ 5704.262366][ T74] inet6_addr_add+0x30e/0xa40 [ 5704.262366][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5704.262366][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5704.262366][ T74] netlink_rcv_skb+0x130/0x360 [ 5704.262366][ T74] netlink_unicast+0x449/0x710 [ 5704.262366][ T74] netlink_sendmsg+0x723/0xbe0 [ 5704.262366][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5704.262366][ T74] ___sys_sendmsg+0xee/0x170 [ 5704.262366][ T74] __sys_sendmsg+0xcd/0x170 [ 5704.262366][ T74] do_syscall_64+0xc6/0x1e0 [ 5704.262366][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5704.262366][ T74] [ 5704.264396][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5704.264396][ T74] netdev_get_by_index+0x5e/0x80 [ 5704.264396][ T74] fib6_nh_init+0x3d8/0x1580 [ 5704.264396][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5704.264396][ T74] ip6_route_add+0x1c/0x140 [ 5704.264396][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5704.264396][ T74] addrconf_add_dev+0xe2/0x170 [ 5704.264396][ T74] inet6_addr_add+0x12f/0xa40 [ 5704.264396][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5704.264396][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5704.264396][ T74] netlink_rcv_skb+0x130/0x360 [ 5704.264396][ T74] netlink_unicast+0x449/0x710 [ 5704.264396][ T74] netlink_sendmsg+0x723/0xbe0 [ 5704.264396][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5704.264396][ T74] ___sys_sendmsg+0xee/0x170 [ 5704.264396][ T74] __sys_sendmsg+0xcd/0x170 [ 5704.264396][ T74] do_syscall_64+0xc6/0x1e0 [ 5704.264396][ T74] [ 5704.266498][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5704.266498][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5704.266498][ T74] ipv6_find_idev+0x102/0x170 [ 5704.266498][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5704.266498][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5704.266498][ T74] netlink_rcv_skb+0x130/0x360 [ 5704.266498][ T74] netlink_unicast+0x449/0x710 [ 5704.266498][ T74] netlink_sendmsg+0x723/0xbe0 [ 5704.266498][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5704.266498][ T74] ___sys_sendmsg+0xee/0x170 [ 5704.266498][ T74] __sys_sendmsg+0xcd/0x170 [ 5704.266498][ T74] do_syscall_64+0xc6/0x1e0 [ 5704.266498][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5704.266498][ T74] [ 5704.268046][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5704.268046][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5704.268046][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5704.268046][ T74] ipv6_find_idev+0x102/0x170 [ 5704.268046][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5704.268046][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5704.268046][ T74] netlink_rcv_skb+0x130/0x360 [ 5704.268046][ T74] netlink_unicast+0x449/0x710 [ 5704.268046][ T74] netlink_sendmsg+0x723/0xbe0 [ 5704.268046][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5704.268046][ T74] ___sys_sendmsg+0xee/0x170 [ 5704.268046][ T74] __sys_sendmsg+0xcd/0x170 [ 5704.268046][ T74] do_syscall_64+0xc6/0x1e0 [ 5704.268046][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5704.268046][ T74] [ 5704.269766][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5704.270055][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5704.270055][ T74] dst_init+0x84/0x4a0 [ 5704.270055][ T74] dst_alloc+0x97/0x150 [ 5704.270055][ T74] ip6_dst_alloc+0x23/0x90 [ 5704.270055][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5704.270055][ T74] ip6_pol_route+0x56f/0x840 [ 5704.270055][ T74] fib6_rule_lookup+0x456/0x630 [ 5704.270055][ T74] ip6_route_input+0x59c/0xa50 [ 5704.270055][ T74] ipv6_rcv+0x397/0x810 [ 5704.270055][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5704.270055][ T74] process_backlog+0x101/0x620 [ 5704.270055][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5704.270055][ T74] net_rx_action+0x495/0xbe0 [ 5704.270055][ T74] __do_softirq+0x1b5/0x7f6 [ 5704.270055][ T74] [ 5704.271715][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5704.271715][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5704.271715][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5704.271715][ T74] fib6_nh_init+0xa22/0x1580 [ 5704.271715][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5704.271715][ T74] ip6_route_add+0x1c/0x140 [ 5704.271715][ T74] inet6_rtm_newroute+0x104/0x110 [ 5704.271715][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5704.271715][ T74] netlink_rcv_skb+0x130/0x360 [ 5704.271715][ T74] netlink_unicast+0x449/0x710 [ 5704.271715][ T74] netlink_sendmsg+0x723/0xbe0 [ 5704.271715][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5704.271715][ T74] ___sys_sendmsg+0xee/0x170 [ 5704.271715][ T74] __sys_sendmsg+0xcd/0x170 [ 5704.271715][ T74] do_syscall_64+0xc6/0x1e0 [ 5704.271715][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5704.271715][ T74] [ 5704.273620][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5704.273620][ T74] netdev_get_by_index+0x5e/0x80 [ 5704.273620][ T74] fib6_nh_init+0x3d8/0x1580 [ 5704.273620][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5704.273620][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5704.273620][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5704.273620][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5704.273620][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5704.273620][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5704.273620][ T74] addrconf_dad_begin+0x310/0x670 [ 5704.273620][ T74] addrconf_dad_work+0x10b/0xab0 [ 5704.273620][ T74] process_one_work+0x84d/0x18a0 [ 5704.273620][ T74] worker_thread+0x587/0xd30 [ 5704.273620][ T74] kthread+0x28a/0x350 [ 5704.273620][ T74] ret_from_fork+0x31/0x70 [ 5704.273620][ T74] ret_from_fork_asm+0x1a/0x30 [ 5704.273620][ T74] [ 5704.275652][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5704.275652][ T74] netdev_get_by_index+0x5e/0x80 [ 5704.275652][ T74] fib6_nh_init+0x3d8/0x1580 [ 5704.275652][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5704.275652][ T74] ip6_route_add+0x1c/0x140 [ 5704.275652][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5704.275652][ T74] inet6_addr_add+0x4f8/0xa40 [ 5704.275652][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5704.275652][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5704.275652][ T74] netlink_rcv_skb+0x130/0x360 [ 5704.275652][ T74] netlink_unicast+0x449/0x710 [ 5704.275652][ T74] netlink_sendmsg+0x723/0xbe0 [ 5704.275652][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5704.275652][ T74] ___sys_sendmsg+0xee/0x170 [ 5704.275652][ T74] __sys_sendmsg+0xcd/0x170 [ 5704.275652][ T74] do_syscall_64+0xc6/0x1e0 [ 5704.275652][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5704.275652][ T74] [ 5704.277675][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5704.277675][ T74] netdev_get_by_index+0x5e/0x80 [ 5704.277675][ T74] fib6_nh_init+0x3d8/0x1580 [ 5704.277675][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5704.277675][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5704.277675][ T74] ipv6_add_addr+0x411/0x2000 [ 5704.277675][ T74] inet6_addr_add+0x30e/0xa40 [ 5704.277675][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5704.277675][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5704.277675][ T74] netlink_rcv_skb+0x130/0x360 [ 5704.277675][ T74] netlink_unicast+0x449/0x710 [ 5704.277675][ T74] netlink_sendmsg+0x723/0xbe0 [ 5704.277675][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5704.277675][ T74] ___sys_sendmsg+0xee/0x170 [ 5704.277675][ T74] __sys_sendmsg+0xcd/0x170 [ 5704.277675][ T74] do_syscall_64+0xc6/0x1e0 [ 5704.277675][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5704.277675][ T74] [ 5704.279693][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5704.279693][ T74] netdev_get_by_index+0x5e/0x80 [ 5704.279693][ T74] fib6_nh_init+0x3d8/0x1580 [ 5704.279693][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5704.279693][ T74] ip6_route_add+0x1c/0x140 [ 5704.279693][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5704.279693][ T74] addrconf_add_dev+0xe2/0x170 [ 5704.279693][ T74] inet6_addr_add+0x12f/0xa40 [ 5704.279693][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5704.279693][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5704.279693][ T74] netlink_rcv_skb+0x130/0x360 [ 5704.279693][ T74] netlink_unicast+0x449/0x710 [ 5704.279693][ T74] netlink_sendmsg+0x723/0xbe0 [ 5704.279693][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5704.279693][ T74] ___sys_sendmsg+0xee/0x170 [ 5704.279693][ T74] __sys_sendmsg+0xcd/0x170 [ 5704.279693][ T74] do_syscall_64+0xc6/0x1e0 [ 5704.279693][ T74] [ 5704.281684][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5704.281684][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5704.281684][ T74] ipv6_find_idev+0x102/0x170 [ 5704.281684][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5704.281684][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5704.281684][ T74] netlink_rcv_skb+0x130/0x360 [ 5704.281684][ T74] netlink_unicast+0x449/0x710 [ 5704.281684][ T74] netlink_sendmsg+0x723/0xbe0 [ 5704.281684][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5704.281684][ T74] ___sys_sendmsg+0xee/0x170 [ 5704.281684][ T74] __sys_sendmsg+0xcd/0x170 [ 5704.281684][ T74] do_syscall_64+0xc6/0x1e0 [ 5704.281684][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5704.281684][ T74] [ 5704.283426][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5704.283426][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5704.283426][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5704.283426][ T74] ipv6_find_idev+0x102/0x170 [ 5704.283426][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5704.283426][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5704.283426][ T74] netlink_rcv_skb+0x130/0x360 [ 5704.283426][ T74] netlink_unicast+0x449/0x710 [ 5704.283426][ T74] netlink_sendmsg+0x723/0xbe0 [ 5704.283426][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5704.283426][ T74] ___sys_sendmsg+0xee/0x170 [ 5704.283426][ T74] __sys_sendmsg+0xcd/0x170 [ 5704.283426][ T74] do_syscall_64+0xc6/0x1e0 [ 5704.283426][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5704.283426][ T74] [ 5704.285369][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5704.285675][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5704.285675][ T74] netdev_get_by_index+0x5e/0x80 [ 5704.285675][ T74] fib6_nh_init+0x3d8/0x1580 [ 5704.285675][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5704.285675][ T74] ip6_route_add+0x1c/0x140 [ 5704.285675][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5704.285675][ T74] inet6_addr_add+0x4f8/0xa40 [ 5704.285675][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5704.285675][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5704.285675][ T74] netlink_rcv_skb+0x130/0x360 [ 5704.285675][ T74] netlink_unicast+0x449/0x710 [ 5704.285675][ T74] netlink_sendmsg+0x723/0xbe0 [ 5704.285675][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5704.285675][ T74] ___sys_sendmsg+0xee/0x170 [ 5704.285675][ T74] __sys_sendmsg+0xcd/0x170 [ 5704.285675][ T74] do_syscall_64+0xc6/0x1e0 [ 5704.285675][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5704.285675][ T74] [ 5704.287873][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5704.287873][ T74] netdev_get_by_index+0x5e/0x80 [ 5704.287873][ T74] fib6_nh_init+0x3d8/0x1580 [ 5704.287873][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5704.287873][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5704.287873][ T74] ipv6_add_addr+0x411/0x2000 [ 5704.287873][ T74] inet6_addr_add+0x30e/0xa40 [ 5704.287873][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5704.287873][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5704.287873][ T74] netlink_rcv_skb+0x130/0x360 [ 5704.287873][ T74] netlink_unicast+0x449/0x710 [ 5704.287873][ T74] netlink_sendmsg+0x723/0xbe0 [ 5704.287873][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5704.287873][ T74] ___sys_sendmsg+0xee/0x170 [ 5704.287873][ T74] __sys_sendmsg+0xcd/0x170 [ 5704.287873][ T74] do_syscall_64+0xc6/0x1e0 [ 5704.287873][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5704.287873][ T74] [ 5704.290129][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5704.290129][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5704.290129][ T74] ipv6_find_idev+0x102/0x170 [ 5704.290129][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5704.290129][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5704.290129][ T74] netlink_rcv_skb+0x130/0x360 [ 5704.290129][ T74] netlink_unicast+0x449/0x710 [ 5704.290129][ T74] netlink_sendmsg+0x723/0xbe0 [ 5704.290129][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5704.290129][ T74] ___sys_sendmsg+0xee/0x170 [ 5704.290129][ T74] __sys_sendmsg+0xcd/0x170 [ 5704.290129][ T74] do_syscall_64+0xc6/0x1e0 [ 5704.290129][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5704.290129][ T74] [ 5704.291868][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5704.291868][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5704.291868][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5704.291868][ T74] ipv6_find_idev+0x102/0x170 [ 5704.291868][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5704.291868][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5704.291868][ T74] netlink_rcv_skb+0x130/0x360 [ 5704.291868][ T74] netlink_unicast+0x449/0x710 [ 5704.291868][ T74] netlink_sendmsg+0x723/0xbe0 [ 5704.291868][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5704.291868][ T74] ___sys_sendmsg+0xee/0x170 [ 5704.291868][ T74] __sys_sendmsg+0xcd/0x170 [ 5704.291868][ T74] do_syscall_64+0xc6/0x1e0 [ 5704.291868][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5704.291868][ T74] [ 5714.535958][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5714.536410][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5714.536410][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5714.536410][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5714.536410][ T74] fib6_nh_init+0xa22/0x1580 [ 5714.536410][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5714.536410][ T74] ip6_route_add+0x1c/0x140 [ 5714.536410][ T74] inet6_rtm_newroute+0x104/0x110 [ 5714.536410][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5714.536410][ T74] netlink_rcv_skb+0x130/0x360 [ 5714.536410][ T74] netlink_unicast+0x449/0x710 [ 5714.536410][ T74] netlink_sendmsg+0x723/0xbe0 [ 5714.536410][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5714.536410][ T74] ___sys_sendmsg+0xee/0x170 [ 5714.536410][ T74] __sys_sendmsg+0xcd/0x170 [ 5714.536410][ T74] do_syscall_64+0xc6/0x1e0 [ 5714.536410][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5714.536410][ T74] [ 5714.538327][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5714.538327][ T74] netdev_get_by_index+0x5e/0x80 [ 5714.538327][ T74] fib6_nh_init+0x3d8/0x1580 [ 5714.538327][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5714.538327][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5714.538327][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5714.538327][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5714.538327][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5714.538327][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5714.538327][ T74] addrconf_dad_begin+0x310/0x670 [ 5714.538327][ T74] addrconf_dad_work+0x10b/0xab0 [ 5714.538327][ T74] process_one_work+0x84d/0x18a0 [ 5714.538327][ T74] worker_thread+0x587/0xd30 [ 5714.538327][ T74] kthread+0x28a/0x350 [ 5714.538327][ T74] ret_from_fork+0x31/0x70 [ 5714.538327][ T74] ret_from_fork_asm+0x1a/0x30 [ 5714.538327][ T74] [ 5714.540273][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5714.540273][ T74] netdev_get_by_index+0x5e/0x80 [ 5714.540273][ T74] fib6_nh_init+0x3d8/0x1580 [ 5714.540273][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5714.540273][ T74] ip6_route_add+0x1c/0x140 [ 5714.540273][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5714.540273][ T74] inet6_addr_add+0x4f8/0xa40 [ 5714.540273][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5714.540273][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5714.540273][ T74] netlink_rcv_skb+0x130/0x360 [ 5714.540273][ T74] netlink_unicast+0x449/0x710 [ 5714.540273][ T74] netlink_sendmsg+0x723/0xbe0 [ 5714.540273][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5714.540273][ T74] ___sys_sendmsg+0xee/0x170 [ 5714.540273][ T74] __sys_sendmsg+0xcd/0x170 [ 5714.540273][ T74] do_syscall_64+0xc6/0x1e0 [ 5714.540273][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5714.540273][ T74] [ 5714.542314][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5714.542314][ T74] netdev_get_by_index+0x5e/0x80 [ 5714.542314][ T74] fib6_nh_init+0x3d8/0x1580 [ 5714.542314][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5714.542314][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5714.542314][ T74] ipv6_add_addr+0x411/0x2000 [ 5714.542314][ T74] inet6_addr_add+0x30e/0xa40 [ 5714.542314][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5714.542314][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5714.542314][ T74] netlink_rcv_skb+0x130/0x360 [ 5714.542314][ T74] netlink_unicast+0x449/0x710 [ 5714.542314][ T74] netlink_sendmsg+0x723/0xbe0 [ 5714.542314][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5714.542314][ T74] ___sys_sendmsg+0xee/0x170 [ 5714.542314][ T74] __sys_sendmsg+0xcd/0x170 [ 5714.542314][ T74] do_syscall_64+0xc6/0x1e0 [ 5714.542314][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5714.542314][ T74] [ 5714.544350][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5714.544350][ T74] netdev_get_by_index+0x5e/0x80 [ 5714.544350][ T74] fib6_nh_init+0x3d8/0x1580 [ 5714.544350][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5714.544350][ T74] ip6_route_add+0x1c/0x140 [ 5714.544350][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5714.544350][ T74] addrconf_add_dev+0xe2/0x170 [ 5714.544350][ T74] inet6_addr_add+0x12f/0xa40 [ 5714.544350][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5714.544350][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5714.544350][ T74] netlink_rcv_skb+0x130/0x360 [ 5714.544350][ T74] netlink_unicast+0x449/0x710 [ 5714.544350][ T74] netlink_sendmsg+0x723/0xbe0 [ 5714.544350][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5714.544350][ T74] ___sys_sendmsg+0xee/0x170 [ 5714.544350][ T74] __sys_sendmsg+0xcd/0x170 [ 5714.544350][ T74] do_syscall_64+0xc6/0x1e0 [ 5714.544350][ T74] [ 5714.546342][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5714.546342][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5714.546342][ T74] ipv6_find_idev+0x102/0x170 [ 5714.546342][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5714.546342][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5714.546342][ T74] netlink_rcv_skb+0x130/0x360 [ 5714.546342][ T74] netlink_unicast+0x449/0x710 [ 5714.546342][ T74] netlink_sendmsg+0x723/0xbe0 [ 5714.546342][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5714.546342][ T74] ___sys_sendmsg+0xee/0x170 [ 5714.546342][ T74] __sys_sendmsg+0xcd/0x170 [ 5714.546342][ T74] do_syscall_64+0xc6/0x1e0 [ 5714.546342][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5714.546342][ T74] [ 5714.547898][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5714.547898][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5714.547898][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5714.547898][ T74] ipv6_find_idev+0x102/0x170 [ 5714.547898][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5714.547898][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5714.547898][ T74] netlink_rcv_skb+0x130/0x360 [ 5714.547898][ T74] netlink_unicast+0x449/0x710 [ 5714.547898][ T74] netlink_sendmsg+0x723/0xbe0 [ 5714.547898][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5714.547898][ T74] ___sys_sendmsg+0xee/0x170 [ 5714.547898][ T74] __sys_sendmsg+0xcd/0x170 [ 5714.547898][ T74] do_syscall_64+0xc6/0x1e0 [ 5714.547898][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5714.547898][ T74] [ 5714.549615][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5714.549898][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5714.549898][ T74] dst_init+0x84/0x4a0 [ 5714.549898][ T74] dst_alloc+0x97/0x150 [ 5714.549898][ T74] ip6_dst_alloc+0x23/0x90 [ 5714.549898][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5714.549898][ T74] ip6_pol_route+0x56f/0x840 [ 5714.549898][ T74] fib6_rule_lookup+0x456/0x630 [ 5714.549898][ T74] ip6_route_input+0x59c/0xa50 [ 5714.549898][ T74] ipv6_rcv+0x397/0x810 [ 5714.549898][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5714.549898][ T74] process_backlog+0x101/0x620 [ 5714.549898][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5714.549898][ T74] net_rx_action+0x495/0xbe0 [ 5714.549898][ T74] __do_softirq+0x1b5/0x7f6 [ 5714.549898][ T74] [ 5714.551548][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5714.551548][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5714.551548][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5714.551548][ T74] fib6_nh_init+0xa22/0x1580 [ 5714.551548][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5714.551548][ T74] ip6_route_add+0x1c/0x140 [ 5714.551548][ T74] inet6_rtm_newroute+0x104/0x110 [ 5714.551548][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5714.551548][ T74] netlink_rcv_skb+0x130/0x360 [ 5714.551548][ T74] netlink_unicast+0x449/0x710 [ 5714.551548][ T74] netlink_sendmsg+0x723/0xbe0 [ 5714.551548][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5714.551548][ T74] ___sys_sendmsg+0xee/0x170 [ 5714.551548][ T74] __sys_sendmsg+0xcd/0x170 [ 5714.551548][ T74] do_syscall_64+0xc6/0x1e0 [ 5714.551548][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5714.551548][ T74] [ 5714.553445][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5714.553445][ T74] netdev_get_by_index+0x5e/0x80 [ 5714.553445][ T74] fib6_nh_init+0x3d8/0x1580 [ 5714.553445][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5714.553445][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5714.553445][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5714.553445][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5714.553445][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5714.553445][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5714.553445][ T74] addrconf_dad_begin+0x310/0x670 [ 5714.553445][ T74] addrconf_dad_work+0x10b/0xab0 [ 5714.553445][ T74] process_one_work+0x84d/0x18a0 [ 5714.553445][ T74] worker_thread+0x587/0xd30 [ 5714.553445][ T74] kthread+0x28a/0x350 [ 5714.553445][ T74] ret_from_fork+0x31/0x70 [ 5714.553445][ T74] ret_from_fork_asm+0x1a/0x30 [ 5714.553445][ T74] [ 5714.555370][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5714.555370][ T74] netdev_get_by_index+0x5e/0x80 [ 5714.555370][ T74] fib6_nh_init+0x3d8/0x1580 [ 5714.555370][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5714.555370][ T74] ip6_route_add+0x1c/0x140 [ 5714.555370][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5714.555370][ T74] inet6_addr_add+0x4f8/0xa40 [ 5714.555370][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5714.555370][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5714.555370][ T74] netlink_rcv_skb+0x130/0x360 [ 5714.555370][ T74] netlink_unicast+0x449/0x710 [ 5714.555370][ T74] netlink_sendmsg+0x723/0xbe0 [ 5714.555370][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5714.555370][ T74] ___sys_sendmsg+0xee/0x170 [ 5714.555370][ T74] __sys_sendmsg+0xcd/0x170 [ 5714.555370][ T74] do_syscall_64+0xc6/0x1e0 [ 5714.555370][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5714.555370][ T74] [ 5714.557400][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5714.557400][ T74] netdev_get_by_index+0x5e/0x80 [ 5714.557400][ T74] fib6_nh_init+0x3d8/0x1580 [ 5714.557400][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5714.557400][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5714.557400][ T74] ipv6_add_addr+0x411/0x2000 [ 5714.557400][ T74] inet6_addr_add+0x30e/0xa40 [ 5714.557400][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5714.557400][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5714.557400][ T74] netlink_rcv_skb+0x130/0x360 [ 5714.557400][ T74] netlink_unicast+0x449/0x710 [ 5714.557400][ T74] netlink_sendmsg+0x723/0xbe0 [ 5714.557400][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5714.557400][ T74] ___sys_sendmsg+0xee/0x170 [ 5714.557400][ T74] __sys_sendmsg+0xcd/0x170 [ 5714.557400][ T74] do_syscall_64+0xc6/0x1e0 [ 5714.557400][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5714.557400][ T74] [ 5714.559413][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5714.559413][ T74] netdev_get_by_index+0x5e/0x80 [ 5714.559413][ T74] fib6_nh_init+0x3d8/0x1580 [ 5714.559413][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5714.559413][ T74] ip6_route_add+0x1c/0x140 [ 5714.559413][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5714.559413][ T74] addrconf_add_dev+0xe2/0x170 [ 5714.559413][ T74] inet6_addr_add+0x12f/0xa40 [ 5714.559413][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5714.559413][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5714.559413][ T74] netlink_rcv_skb+0x130/0x360 [ 5714.559413][ T74] netlink_unicast+0x449/0x710 [ 5714.559413][ T74] netlink_sendmsg+0x723/0xbe0 [ 5714.559413][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5714.559413][ T74] ___sys_sendmsg+0xee/0x170 [ 5714.559413][ T74] __sys_sendmsg+0xcd/0x170 [ 5714.559413][ T74] do_syscall_64+0xc6/0x1e0 [ 5714.559413][ T74] [ 5714.561389][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5714.561389][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5714.561389][ T74] ipv6_find_idev+0x102/0x170 [ 5714.561389][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5714.561389][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5714.561389][ T74] netlink_rcv_skb+0x130/0x360 [ 5714.561389][ T74] netlink_unicast+0x449/0x710 [ 5714.561389][ T74] netlink_sendmsg+0x723/0xbe0 [ 5714.561389][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5714.561389][ T74] ___sys_sendmsg+0xee/0x170 [ 5714.561389][ T74] __sys_sendmsg+0xcd/0x170 [ 5714.561389][ T74] do_syscall_64+0xc6/0x1e0 [ 5714.561389][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5714.561389][ T74] [ 5714.563072][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5714.563072][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5714.563072][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5714.563072][ T74] ipv6_find_idev+0x102/0x170 [ 5714.563072][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5714.563072][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5714.563072][ T74] netlink_rcv_skb+0x130/0x360 [ 5714.563072][ T74] netlink_unicast+0x449/0x710 [ 5714.563072][ T74] netlink_sendmsg+0x723/0xbe0 [ 5714.563072][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5714.563072][ T74] ___sys_sendmsg+0xee/0x170 [ 5714.563072][ T74] __sys_sendmsg+0xcd/0x170 [ 5714.563072][ T74] do_syscall_64+0xc6/0x1e0 [ 5714.563072][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5714.563072][ T74] [ 5714.565042][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5714.565342][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5714.565342][ T74] netdev_get_by_index+0x5e/0x80 [ 5714.565342][ T74] fib6_nh_init+0x3d8/0x1580 [ 5714.565342][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5714.565342][ T74] ip6_route_add+0x1c/0x140 [ 5714.565342][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5714.565342][ T74] inet6_addr_add+0x4f8/0xa40 [ 5714.565342][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5714.565342][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5714.565342][ T74] netlink_rcv_skb+0x130/0x360 [ 5714.565342][ T74] netlink_unicast+0x449/0x710 [ 5714.565342][ T74] netlink_sendmsg+0x723/0xbe0 [ 5714.565342][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5714.565342][ T74] ___sys_sendmsg+0xee/0x170 [ 5714.565342][ T74] __sys_sendmsg+0xcd/0x170 [ 5714.565342][ T74] do_syscall_64+0xc6/0x1e0 [ 5714.565342][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5714.565342][ T74] [ 5714.567536][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5714.567536][ T74] netdev_get_by_index+0x5e/0x80 [ 5714.567536][ T74] fib6_nh_init+0x3d8/0x1580 [ 5714.567536][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5714.567536][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5714.567536][ T74] ipv6_add_addr+0x411/0x2000 [ 5714.567536][ T74] inet6_addr_add+0x30e/0xa40 [ 5714.567536][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5714.567536][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5714.567536][ T74] netlink_rcv_skb+0x130/0x360 [ 5714.567536][ T74] netlink_unicast+0x449/0x710 [ 5714.567536][ T74] netlink_sendmsg+0x723/0xbe0 [ 5714.567536][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5714.567536][ T74] ___sys_sendmsg+0xee/0x170 [ 5714.567536][ T74] __sys_sendmsg+0xcd/0x170 [ 5714.567536][ T74] do_syscall_64+0xc6/0x1e0 [ 5714.567536][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5714.567536][ T74] [ 5714.569784][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5714.569784][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5714.569784][ T74] ipv6_find_idev+0x102/0x170 [ 5714.569784][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5714.569784][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5714.569784][ T74] netlink_rcv_skb+0x130/0x360 [ 5714.569784][ T74] netlink_unicast+0x449/0x710 [ 5714.569784][ T74] netlink_sendmsg+0x723/0xbe0 [ 5714.569784][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5714.569784][ T74] ___sys_sendmsg+0xee/0x170 [ 5714.569784][ T74] __sys_sendmsg+0xcd/0x170 [ 5714.569784][ T74] do_syscall_64+0xc6/0x1e0 [ 5714.569784][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5714.569784][ T74] [ 5714.571509][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5714.571509][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5714.571509][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5714.571509][ T74] ipv6_find_idev+0x102/0x170 [ 5714.571509][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5714.571509][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5714.571509][ T74] netlink_rcv_skb+0x130/0x360 [ 5714.571509][ T74] netlink_unicast+0x449/0x710 [ 5714.571509][ T74] netlink_sendmsg+0x723/0xbe0 [ 5714.571509][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5714.571509][ T74] ___sys_sendmsg+0xee/0x170 [ 5714.571509][ T74] __sys_sendmsg+0xcd/0x170 [ 5714.571509][ T74] do_syscall_64+0xc6/0x1e0 [ 5714.571509][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5714.571509][ T74] [ 5724.815975][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5724.816419][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5724.816419][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5724.816419][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5724.816419][ T74] fib6_nh_init+0xa22/0x1580 [ 5724.816419][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5724.816419][ T74] ip6_route_add+0x1c/0x140 [ 5724.816419][ T74] inet6_rtm_newroute+0x104/0x110 [ 5724.816419][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5724.816419][ T74] netlink_rcv_skb+0x130/0x360 [ 5724.816419][ T74] netlink_unicast+0x449/0x710 [ 5724.816419][ T74] netlink_sendmsg+0x723/0xbe0 [ 5724.816419][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5724.816419][ T74] ___sys_sendmsg+0xee/0x170 [ 5724.816419][ T74] __sys_sendmsg+0xcd/0x170 [ 5724.816419][ T74] do_syscall_64+0xc6/0x1e0 [ 5724.816419][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5724.816419][ T74] [ 5724.818333][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5724.818333][ T74] netdev_get_by_index+0x5e/0x80 [ 5724.818333][ T74] fib6_nh_init+0x3d8/0x1580 [ 5724.818333][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5724.818333][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5724.818333][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5724.818333][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5724.818333][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5724.818333][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5724.818333][ T74] addrconf_dad_begin+0x310/0x670 [ 5724.818333][ T74] addrconf_dad_work+0x10b/0xab0 [ 5724.818333][ T74] process_one_work+0x84d/0x18a0 [ 5724.818333][ T74] worker_thread+0x587/0xd30 [ 5724.818333][ T74] kthread+0x28a/0x350 [ 5724.818333][ T74] ret_from_fork+0x31/0x70 [ 5724.818333][ T74] ret_from_fork_asm+0x1a/0x30 [ 5724.818333][ T74] [ 5724.820273][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5724.820273][ T74] netdev_get_by_index+0x5e/0x80 [ 5724.820273][ T74] fib6_nh_init+0x3d8/0x1580 [ 5724.820273][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5724.820273][ T74] ip6_route_add+0x1c/0x140 [ 5724.820273][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5724.820273][ T74] inet6_addr_add+0x4f8/0xa40 [ 5724.820273][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5724.820273][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5724.820273][ T74] netlink_rcv_skb+0x130/0x360 [ 5724.820273][ T74] netlink_unicast+0x449/0x710 [ 5724.820273][ T74] netlink_sendmsg+0x723/0xbe0 [ 5724.820273][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5724.820273][ T74] ___sys_sendmsg+0xee/0x170 [ 5724.820273][ T74] __sys_sendmsg+0xcd/0x170 [ 5724.820273][ T74] do_syscall_64+0xc6/0x1e0 [ 5724.820273][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5724.820273][ T74] [ 5724.822306][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5724.822306][ T74] netdev_get_by_index+0x5e/0x80 [ 5724.822306][ T74] fib6_nh_init+0x3d8/0x1580 [ 5724.822306][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5724.822306][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5724.822306][ T74] ipv6_add_addr+0x411/0x2000 [ 5724.822306][ T74] inet6_addr_add+0x30e/0xa40 [ 5724.822306][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5724.822306][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5724.822306][ T74] netlink_rcv_skb+0x130/0x360 [ 5724.822306][ T74] netlink_unicast+0x449/0x710 [ 5724.822306][ T74] netlink_sendmsg+0x723/0xbe0 [ 5724.822306][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5724.822306][ T74] ___sys_sendmsg+0xee/0x170 [ 5724.822306][ T74] __sys_sendmsg+0xcd/0x170 [ 5724.822306][ T74] do_syscall_64+0xc6/0x1e0 [ 5724.822306][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5724.822306][ T74] [ 5724.824320][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5724.824320][ T74] netdev_get_by_index+0x5e/0x80 [ 5724.824320][ T74] fib6_nh_init+0x3d8/0x1580 [ 5724.824320][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5724.824320][ T74] ip6_route_add+0x1c/0x140 [ 5724.824320][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5724.824320][ T74] addrconf_add_dev+0xe2/0x170 [ 5724.824320][ T74] inet6_addr_add+0x12f/0xa40 [ 5724.824320][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5724.824320][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5724.824320][ T74] netlink_rcv_skb+0x130/0x360 [ 5724.824320][ T74] netlink_unicast+0x449/0x710 [ 5724.824320][ T74] netlink_sendmsg+0x723/0xbe0 [ 5724.824320][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5724.824320][ T74] ___sys_sendmsg+0xee/0x170 [ 5724.824320][ T74] __sys_sendmsg+0xcd/0x170 [ 5724.824320][ T74] do_syscall_64+0xc6/0x1e0 [ 5724.824320][ T74] [ 5724.826309][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5724.826309][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5724.826309][ T74] ipv6_find_idev+0x102/0x170 [ 5724.826309][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5724.826309][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5724.826309][ T74] netlink_rcv_skb+0x130/0x360 [ 5724.826309][ T74] netlink_unicast+0x449/0x710 [ 5724.826309][ T74] netlink_sendmsg+0x723/0xbe0 [ 5724.826309][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5724.826309][ T74] ___sys_sendmsg+0xee/0x170 [ 5724.826309][ T74] __sys_sendmsg+0xcd/0x170 [ 5724.826309][ T74] do_syscall_64+0xc6/0x1e0 [ 5724.826309][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5724.826309][ T74] [ 5724.827852][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5724.827852][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5724.827852][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5724.827852][ T74] ipv6_find_idev+0x102/0x170 [ 5724.827852][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5724.827852][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5724.827852][ T74] netlink_rcv_skb+0x130/0x360 [ 5724.827852][ T74] netlink_unicast+0x449/0x710 [ 5724.827852][ T74] netlink_sendmsg+0x723/0xbe0 [ 5724.827852][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5724.827852][ T74] ___sys_sendmsg+0xee/0x170 [ 5724.827852][ T74] __sys_sendmsg+0xcd/0x170 [ 5724.827852][ T74] do_syscall_64+0xc6/0x1e0 [ 5724.827852][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5724.827852][ T74] [ 5724.829561][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5724.829839][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5724.829839][ T74] dst_init+0x84/0x4a0 [ 5724.829839][ T74] dst_alloc+0x97/0x150 [ 5724.829839][ T74] ip6_dst_alloc+0x23/0x90 [ 5724.829839][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5724.829839][ T74] ip6_pol_route+0x56f/0x840 [ 5724.829839][ T74] fib6_rule_lookup+0x456/0x630 [ 5724.829839][ T74] ip6_route_input+0x59c/0xa50 [ 5724.829839][ T74] ipv6_rcv+0x397/0x810 [ 5724.829839][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5724.829839][ T74] process_backlog+0x101/0x620 [ 5724.829839][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5724.829839][ T74] net_rx_action+0x495/0xbe0 [ 5724.829839][ T74] __do_softirq+0x1b5/0x7f6 [ 5724.829839][ T74] [ 5724.831488][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5724.831488][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5724.831488][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5724.831488][ T74] fib6_nh_init+0xa22/0x1580 [ 5724.831488][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5724.831488][ T74] ip6_route_add+0x1c/0x140 [ 5724.831488][ T74] inet6_rtm_newroute+0x104/0x110 [ 5724.831488][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5724.831488][ T74] netlink_rcv_skb+0x130/0x360 [ 5724.831488][ T74] netlink_unicast+0x449/0x710 [ 5724.831488][ T74] netlink_sendmsg+0x723/0xbe0 [ 5724.831488][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5724.831488][ T74] ___sys_sendmsg+0xee/0x170 [ 5724.831488][ T74] __sys_sendmsg+0xcd/0x170 [ 5724.831488][ T74] do_syscall_64+0xc6/0x1e0 [ 5724.831488][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5724.831488][ T74] [ 5724.833395][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5724.833395][ T74] netdev_get_by_index+0x5e/0x80 [ 5724.833395][ T74] fib6_nh_init+0x3d8/0x1580 [ 5724.833395][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5724.833395][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5724.833395][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5724.833395][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5724.833395][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5724.833395][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5724.833395][ T74] addrconf_dad_begin+0x310/0x670 [ 5724.833395][ T74] addrconf_dad_work+0x10b/0xab0 [ 5724.833395][ T74] process_one_work+0x84d/0x18a0 [ 5724.833395][ T74] worker_thread+0x587/0xd30 [ 5724.833395][ T74] kthread+0x28a/0x350 [ 5724.833395][ T74] ret_from_fork+0x31/0x70 [ 5724.833395][ T74] ret_from_fork_asm+0x1a/0x30 [ 5724.833395][ T74] [ 5724.835327][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5724.835327][ T74] netdev_get_by_index+0x5e/0x80 [ 5724.835327][ T74] fib6_nh_init+0x3d8/0x1580 [ 5724.835327][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5724.835327][ T74] ip6_route_add+0x1c/0x140 [ 5724.835327][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5724.835327][ T74] inet6_addr_add+0x4f8/0xa40 [ 5724.835327][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5724.835327][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5724.835327][ T74] netlink_rcv_skb+0x130/0x360 [ 5724.835327][ T74] netlink_unicast+0x449/0x710 [ 5724.835327][ T74] netlink_sendmsg+0x723/0xbe0 [ 5724.835327][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5724.835327][ T74] ___sys_sendmsg+0xee/0x170 [ 5724.835327][ T74] __sys_sendmsg+0xcd/0x170 [ 5724.835327][ T74] do_syscall_64+0xc6/0x1e0 [ 5724.835327][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5724.835327][ T74] [ 5724.837349][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5724.837349][ T74] netdev_get_by_index+0x5e/0x80 [ 5724.837349][ T74] fib6_nh_init+0x3d8/0x1580 [ 5724.837349][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5724.837349][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5724.837349][ T74] ipv6_add_addr+0x411/0x2000 [ 5724.837349][ T74] inet6_addr_add+0x30e/0xa40 [ 5724.837349][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5724.837349][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5724.837349][ T74] netlink_rcv_skb+0x130/0x360 [ 5724.837349][ T74] netlink_unicast+0x449/0x710 [ 5724.837349][ T74] netlink_sendmsg+0x723/0xbe0 [ 5724.837349][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5724.837349][ T74] ___sys_sendmsg+0xee/0x170 [ 5724.837349][ T74] __sys_sendmsg+0xcd/0x170 [ 5724.837349][ T74] do_syscall_64+0xc6/0x1e0 [ 5724.837349][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5724.837349][ T74] [ 5724.839367][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5724.839367][ T74] netdev_get_by_index+0x5e/0x80 [ 5724.839367][ T74] fib6_nh_init+0x3d8/0x1580 [ 5724.839367][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5724.839367][ T74] ip6_route_add+0x1c/0x140 [ 5724.839367][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5724.839367][ T74] addrconf_add_dev+0xe2/0x170 [ 5724.839367][ T74] inet6_addr_add+0x12f/0xa40 [ 5724.839367][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5724.839367][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5724.839367][ T74] netlink_rcv_skb+0x130/0x360 [ 5724.839367][ T74] netlink_unicast+0x449/0x710 [ 5724.839367][ T74] netlink_sendmsg+0x723/0xbe0 [ 5724.839367][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5724.839367][ T74] ___sys_sendmsg+0xee/0x170 [ 5724.839367][ T74] __sys_sendmsg+0xcd/0x170 [ 5724.839367][ T74] do_syscall_64+0xc6/0x1e0 [ 5724.839367][ T74] [ 5724.841360][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5724.841360][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5724.841360][ T74] ipv6_find_idev+0x102/0x170 [ 5724.841360][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5724.841360][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5724.841360][ T74] netlink_rcv_skb+0x130/0x360 [ 5724.841360][ T74] netlink_unicast+0x449/0x710 [ 5724.841360][ T74] netlink_sendmsg+0x723/0xbe0 [ 5724.841360][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5724.841360][ T74] ___sys_sendmsg+0xee/0x170 [ 5724.841360][ T74] __sys_sendmsg+0xcd/0x170 [ 5724.841360][ T74] do_syscall_64+0xc6/0x1e0 [ 5724.841360][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5724.841360][ T74] [ 5724.843099][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5724.843099][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5724.843099][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5724.843099][ T74] ipv6_find_idev+0x102/0x170 [ 5724.843099][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5724.843099][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5724.843099][ T74] netlink_rcv_skb+0x130/0x360 [ 5724.843099][ T74] netlink_unicast+0x449/0x710 [ 5724.843099][ T74] netlink_sendmsg+0x723/0xbe0 [ 5724.843099][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5724.843099][ T74] ___sys_sendmsg+0xee/0x170 [ 5724.843099][ T74] __sys_sendmsg+0xcd/0x170 [ 5724.843099][ T74] do_syscall_64+0xc6/0x1e0 [ 5724.843099][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5724.843099][ T74] [ 5724.845045][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5724.845359][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5724.845359][ T74] netdev_get_by_index+0x5e/0x80 [ 5724.845359][ T74] fib6_nh_init+0x3d8/0x1580 [ 5724.845359][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5724.845359][ T74] ip6_route_add+0x1c/0x140 [ 5724.845359][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5724.845359][ T74] inet6_addr_add+0x4f8/0xa40 [ 5724.845359][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5724.845359][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5724.845359][ T74] netlink_rcv_skb+0x130/0x360 [ 5724.845359][ T74] netlink_unicast+0x449/0x710 [ 5724.845359][ T74] netlink_sendmsg+0x723/0xbe0 [ 5724.845359][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5724.845359][ T74] ___sys_sendmsg+0xee/0x170 [ 5724.845359][ T74] __sys_sendmsg+0xcd/0x170 [ 5724.845359][ T74] do_syscall_64+0xc6/0x1e0 [ 5724.845359][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5724.845359][ T74] [ 5724.847548][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5724.847548][ T74] netdev_get_by_index+0x5e/0x80 [ 5724.847548][ T74] fib6_nh_init+0x3d8/0x1580 [ 5724.847548][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5724.847548][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5724.847548][ T74] ipv6_add_addr+0x411/0x2000 [ 5724.847548][ T74] inet6_addr_add+0x30e/0xa40 [ 5724.847548][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5724.847548][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5724.847548][ T74] netlink_rcv_skb+0x130/0x360 [ 5724.847548][ T74] netlink_unicast+0x449/0x710 [ 5724.847548][ T74] netlink_sendmsg+0x723/0xbe0 [ 5724.847548][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5724.847548][ T74] ___sys_sendmsg+0xee/0x170 [ 5724.847548][ T74] __sys_sendmsg+0xcd/0x170 [ 5724.847548][ T74] do_syscall_64+0xc6/0x1e0 [ 5724.847548][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5724.847548][ T74] [ 5724.849810][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5724.849810][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5724.849810][ T74] ipv6_find_idev+0x102/0x170 [ 5724.849810][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5724.849810][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5724.849810][ T74] netlink_rcv_skb+0x130/0x360 [ 5724.849810][ T74] netlink_unicast+0x449/0x710 [ 5724.849810][ T74] netlink_sendmsg+0x723/0xbe0 [ 5724.849810][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5724.849810][ T74] ___sys_sendmsg+0xee/0x170 [ 5724.849810][ T74] __sys_sendmsg+0xcd/0x170 [ 5724.849810][ T74] do_syscall_64+0xc6/0x1e0 [ 5724.849810][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5724.849810][ T74] [ 5724.851548][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5724.851548][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5724.851548][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5724.851548][ T74] ipv6_find_idev+0x102/0x170 [ 5724.851548][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5724.851548][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5724.851548][ T74] netlink_rcv_skb+0x130/0x360 [ 5724.851548][ T74] netlink_unicast+0x449/0x710 [ 5724.851548][ T74] netlink_sendmsg+0x723/0xbe0 [ 5724.851548][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5724.851548][ T74] ___sys_sendmsg+0xee/0x170 [ 5724.851548][ T74] __sys_sendmsg+0xcd/0x170 [ 5724.851548][ T74] do_syscall_64+0xc6/0x1e0 [ 5724.851548][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5724.851548][ T74] [ 5735.095961][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5735.096412][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5735.096412][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5735.096412][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5735.096412][ T74] fib6_nh_init+0xa22/0x1580 [ 5735.096412][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5735.096412][ T74] ip6_route_add+0x1c/0x140 [ 5735.096412][ T74] inet6_rtm_newroute+0x104/0x110 [ 5735.096412][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5735.096412][ T74] netlink_rcv_skb+0x130/0x360 [ 5735.096412][ T74] netlink_unicast+0x449/0x710 [ 5735.096412][ T74] netlink_sendmsg+0x723/0xbe0 [ 5735.096412][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5735.096412][ T74] ___sys_sendmsg+0xee/0x170 [ 5735.096412][ T74] __sys_sendmsg+0xcd/0x170 [ 5735.096412][ T74] do_syscall_64+0xc6/0x1e0 [ 5735.096412][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5735.096412][ T74] [ 5735.098346][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5735.098346][ T74] netdev_get_by_index+0x5e/0x80 [ 5735.098346][ T74] fib6_nh_init+0x3d8/0x1580 [ 5735.098346][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5735.098346][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5735.098346][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5735.098346][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5735.098346][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5735.098346][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5735.098346][ T74] addrconf_dad_begin+0x310/0x670 [ 5735.098346][ T74] addrconf_dad_work+0x10b/0xab0 [ 5735.098346][ T74] process_one_work+0x84d/0x18a0 [ 5735.098346][ T74] worker_thread+0x587/0xd30 [ 5735.098346][ T74] kthread+0x28a/0x350 [ 5735.098346][ T74] ret_from_fork+0x31/0x70 [ 5735.098346][ T74] ret_from_fork_asm+0x1a/0x30 [ 5735.098346][ T74] [ 5735.100282][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5735.100282][ T74] netdev_get_by_index+0x5e/0x80 [ 5735.100282][ T74] fib6_nh_init+0x3d8/0x1580 [ 5735.100282][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5735.100282][ T74] ip6_route_add+0x1c/0x140 [ 5735.100282][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5735.100282][ T74] inet6_addr_add+0x4f8/0xa40 [ 5735.100282][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5735.100282][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5735.100282][ T74] netlink_rcv_skb+0x130/0x360 [ 5735.100282][ T74] netlink_unicast+0x449/0x710 [ 5735.100282][ T74] netlink_sendmsg+0x723/0xbe0 [ 5735.100282][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5735.100282][ T74] ___sys_sendmsg+0xee/0x170 [ 5735.100282][ T74] __sys_sendmsg+0xcd/0x170 [ 5735.100282][ T74] do_syscall_64+0xc6/0x1e0 [ 5735.100282][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5735.100282][ T74] [ 5735.102329][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5735.102329][ T74] netdev_get_by_index+0x5e/0x80 [ 5735.102329][ T74] fib6_nh_init+0x3d8/0x1580 [ 5735.102329][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5735.102329][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5735.102329][ T74] ipv6_add_addr+0x411/0x2000 [ 5735.102329][ T74] inet6_addr_add+0x30e/0xa40 [ 5735.102329][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5735.102329][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5735.102329][ T74] netlink_rcv_skb+0x130/0x360 [ 5735.102329][ T74] netlink_unicast+0x449/0x710 [ 5735.102329][ T74] netlink_sendmsg+0x723/0xbe0 [ 5735.102329][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5735.102329][ T74] ___sys_sendmsg+0xee/0x170 [ 5735.102329][ T74] __sys_sendmsg+0xcd/0x170 [ 5735.102329][ T74] do_syscall_64+0xc6/0x1e0 [ 5735.102329][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5735.102329][ T74] [ 5735.104348][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5735.104348][ T74] netdev_get_by_index+0x5e/0x80 [ 5735.104348][ T74] fib6_nh_init+0x3d8/0x1580 [ 5735.104348][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5735.104348][ T74] ip6_route_add+0x1c/0x140 [ 5735.104348][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5735.104348][ T74] addrconf_add_dev+0xe2/0x170 [ 5735.104348][ T74] inet6_addr_add+0x12f/0xa40 [ 5735.104348][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5735.104348][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5735.104348][ T74] netlink_rcv_skb+0x130/0x360 [ 5735.104348][ T74] netlink_unicast+0x449/0x710 [ 5735.104348][ T74] netlink_sendmsg+0x723/0xbe0 [ 5735.104348][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5735.104348][ T74] ___sys_sendmsg+0xee/0x170 [ 5735.104348][ T74] __sys_sendmsg+0xcd/0x170 [ 5735.104348][ T74] do_syscall_64+0xc6/0x1e0 [ 5735.104348][ T74] [ 5735.106334][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5735.106334][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5735.106334][ T74] ipv6_find_idev+0x102/0x170 [ 5735.106334][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5735.106334][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5735.106334][ T74] netlink_rcv_skb+0x130/0x360 [ 5735.106334][ T74] netlink_unicast+0x449/0x710 [ 5735.106334][ T74] netlink_sendmsg+0x723/0xbe0 [ 5735.106334][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5735.106334][ T74] ___sys_sendmsg+0xee/0x170 [ 5735.106334][ T74] __sys_sendmsg+0xcd/0x170 [ 5735.106334][ T74] do_syscall_64+0xc6/0x1e0 [ 5735.106334][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5735.106334][ T74] [ 5735.107910][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5735.107910][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5735.107910][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5735.107910][ T74] ipv6_find_idev+0x102/0x170 [ 5735.107910][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5735.107910][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5735.107910][ T74] netlink_rcv_skb+0x130/0x360 [ 5735.107910][ T74] netlink_unicast+0x449/0x710 [ 5735.107910][ T74] netlink_sendmsg+0x723/0xbe0 [ 5735.107910][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5735.107910][ T74] ___sys_sendmsg+0xee/0x170 [ 5735.107910][ T74] __sys_sendmsg+0xcd/0x170 [ 5735.107910][ T74] do_syscall_64+0xc6/0x1e0 [ 5735.107910][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5735.107910][ T74] [ 5735.109627][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5735.109917][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5735.109917][ T74] dst_init+0x84/0x4a0 [ 5735.109917][ T74] dst_alloc+0x97/0x150 [ 5735.109917][ T74] ip6_dst_alloc+0x23/0x90 [ 5735.109917][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5735.109917][ T74] ip6_pol_route+0x56f/0x840 [ 5735.109917][ T74] fib6_rule_lookup+0x456/0x630 [ 5735.109917][ T74] ip6_route_input+0x59c/0xa50 [ 5735.109917][ T74] ipv6_rcv+0x397/0x810 [ 5735.109917][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5735.109917][ T74] process_backlog+0x101/0x620 [ 5735.109917][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5735.109917][ T74] net_rx_action+0x495/0xbe0 [ 5735.109917][ T74] __do_softirq+0x1b5/0x7f6 [ 5735.109917][ T74] [ 5735.111582][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5735.111582][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5735.111582][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5735.111582][ T74] fib6_nh_init+0xa22/0x1580 [ 5735.111582][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5735.111582][ T74] ip6_route_add+0x1c/0x140 [ 5735.111582][ T74] inet6_rtm_newroute+0x104/0x110 [ 5735.111582][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5735.111582][ T74] netlink_rcv_skb+0x130/0x360 [ 5735.111582][ T74] netlink_unicast+0x449/0x710 [ 5735.111582][ T74] netlink_sendmsg+0x723/0xbe0 [ 5735.111582][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5735.111582][ T74] ___sys_sendmsg+0xee/0x170 [ 5735.111582][ T74] __sys_sendmsg+0xcd/0x170 [ 5735.111582][ T74] do_syscall_64+0xc6/0x1e0 [ 5735.111582][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5735.111582][ T74] [ 5735.113477][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5735.113477][ T74] netdev_get_by_index+0x5e/0x80 [ 5735.113477][ T74] fib6_nh_init+0x3d8/0x1580 [ 5735.113477][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5735.113477][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5735.113477][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5735.113477][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5735.113477][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5735.113477][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5735.113477][ T74] addrconf_dad_begin+0x310/0x670 [ 5735.113477][ T74] addrconf_dad_work+0x10b/0xab0 [ 5735.113477][ T74] process_one_work+0x84d/0x18a0 [ 5735.113477][ T74] worker_thread+0x587/0xd30 [ 5735.113477][ T74] kthread+0x28a/0x350 [ 5735.113477][ T74] ret_from_fork+0x31/0x70 [ 5735.113477][ T74] ret_from_fork_asm+0x1a/0x30 [ 5735.113477][ T74] [ 5735.115395][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5735.115395][ T74] netdev_get_by_index+0x5e/0x80 [ 5735.115395][ T74] fib6_nh_init+0x3d8/0x1580 [ 5735.115395][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5735.115395][ T74] ip6_route_add+0x1c/0x140 [ 5735.115395][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5735.115395][ T74] inet6_addr_add+0x4f8/0xa40 [ 5735.115395][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5735.115395][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5735.115395][ T74] netlink_rcv_skb+0x130/0x360 [ 5735.115395][ T74] netlink_unicast+0x449/0x710 [ 5735.115395][ T74] netlink_sendmsg+0x723/0xbe0 [ 5735.115395][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5735.115395][ T74] ___sys_sendmsg+0xee/0x170 [ 5735.115395][ T74] __sys_sendmsg+0xcd/0x170 [ 5735.115395][ T74] do_syscall_64+0xc6/0x1e0 [ 5735.115395][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5735.115395][ T74] [ 5735.117413][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5735.117413][ T74] netdev_get_by_index+0x5e/0x80 [ 5735.117413][ T74] fib6_nh_init+0x3d8/0x1580 [ 5735.117413][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5735.117413][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5735.117413][ T74] ipv6_add_addr+0x411/0x2000 [ 5735.117413][ T74] inet6_addr_add+0x30e/0xa40 [ 5735.117413][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5735.117413][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5735.117413][ T74] netlink_rcv_skb+0x130/0x360 [ 5735.117413][ T74] netlink_unicast+0x449/0x710 [ 5735.117413][ T74] netlink_sendmsg+0x723/0xbe0 [ 5735.117413][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5735.117413][ T74] ___sys_sendmsg+0xee/0x170 [ 5735.117413][ T74] __sys_sendmsg+0xcd/0x170 [ 5735.117413][ T74] do_syscall_64+0xc6/0x1e0 [ 5735.117413][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5735.117413][ T74] [ 5735.119421][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5735.119421][ T74] netdev_get_by_index+0x5e/0x80 [ 5735.119421][ T74] fib6_nh_init+0x3d8/0x1580 [ 5735.119421][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5735.119421][ T74] ip6_route_add+0x1c/0x140 [ 5735.119421][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5735.119421][ T74] addrconf_add_dev+0xe2/0x170 [ 5735.119421][ T74] inet6_addr_add+0x12f/0xa40 [ 5735.119421][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5735.119421][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5735.119421][ T74] netlink_rcv_skb+0x130/0x360 [ 5735.119421][ T74] netlink_unicast+0x449/0x710 [ 5735.119421][ T74] netlink_sendmsg+0x723/0xbe0 [ 5735.119421][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5735.119421][ T74] ___sys_sendmsg+0xee/0x170 [ 5735.119421][ T74] __sys_sendmsg+0xcd/0x170 [ 5735.119421][ T74] do_syscall_64+0xc6/0x1e0 [ 5735.119421][ T74] [ 5735.121400][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5735.121400][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5735.121400][ T74] ipv6_find_idev+0x102/0x170 [ 5735.121400][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5735.121400][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5735.121400][ T74] netlink_rcv_skb+0x130/0x360 [ 5735.121400][ T74] netlink_unicast+0x449/0x710 [ 5735.121400][ T74] netlink_sendmsg+0x723/0xbe0 [ 5735.121400][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5735.121400][ T74] ___sys_sendmsg+0xee/0x170 [ 5735.121400][ T74] __sys_sendmsg+0xcd/0x170 [ 5735.121400][ T74] do_syscall_64+0xc6/0x1e0 [ 5735.121400][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5735.121400][ T74] [ 5735.123079][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5735.123079][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5735.123079][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5735.123079][ T74] ipv6_find_idev+0x102/0x170 [ 5735.123079][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5735.123079][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5735.123079][ T74] netlink_rcv_skb+0x130/0x360 [ 5735.123079][ T74] netlink_unicast+0x449/0x710 [ 5735.123079][ T74] netlink_sendmsg+0x723/0xbe0 [ 5735.123079][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5735.123079][ T74] ___sys_sendmsg+0xee/0x170 [ 5735.123079][ T74] __sys_sendmsg+0xcd/0x170 [ 5735.123079][ T74] do_syscall_64+0xc6/0x1e0 [ 5735.123079][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5735.123079][ T74] [ 5735.125025][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5735.125331][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5735.125331][ T74] netdev_get_by_index+0x5e/0x80 [ 5735.125331][ T74] fib6_nh_init+0x3d8/0x1580 [ 5735.125331][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5735.125331][ T74] ip6_route_add+0x1c/0x140 [ 5735.125331][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5735.125331][ T74] inet6_addr_add+0x4f8/0xa40 [ 5735.125331][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5735.125331][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5735.125331][ T74] netlink_rcv_skb+0x130/0x360 [ 5735.125331][ T74] netlink_unicast+0x449/0x710 [ 5735.125331][ T74] netlink_sendmsg+0x723/0xbe0 [ 5735.125331][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5735.125331][ T74] ___sys_sendmsg+0xee/0x170 [ 5735.125331][ T74] __sys_sendmsg+0xcd/0x170 [ 5735.125331][ T74] do_syscall_64+0xc6/0x1e0 [ 5735.125331][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5735.125331][ T74] [ 5735.127519][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5735.127519][ T74] netdev_get_by_index+0x5e/0x80 [ 5735.127519][ T74] fib6_nh_init+0x3d8/0x1580 [ 5735.127519][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5735.127519][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5735.127519][ T74] ipv6_add_addr+0x411/0x2000 [ 5735.127519][ T74] inet6_addr_add+0x30e/0xa40 [ 5735.127519][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5735.127519][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5735.127519][ T74] netlink_rcv_skb+0x130/0x360 [ 5735.127519][ T74] netlink_unicast+0x449/0x710 [ 5735.127519][ T74] netlink_sendmsg+0x723/0xbe0 [ 5735.127519][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5735.127519][ T74] ___sys_sendmsg+0xee/0x170 [ 5735.127519][ T74] __sys_sendmsg+0xcd/0x170 [ 5735.127519][ T74] do_syscall_64+0xc6/0x1e0 [ 5735.127519][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5735.127519][ T74] [ 5735.129773][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5735.129773][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5735.129773][ T74] ipv6_find_idev+0x102/0x170 [ 5735.129773][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5735.129773][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5735.129773][ T74] netlink_rcv_skb+0x130/0x360 [ 5735.129773][ T74] netlink_unicast+0x449/0x710 [ 5735.129773][ T74] netlink_sendmsg+0x723/0xbe0 [ 5735.129773][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5735.129773][ T74] ___sys_sendmsg+0xee/0x170 [ 5735.129773][ T74] __sys_sendmsg+0xcd/0x170 [ 5735.129773][ T74] do_syscall_64+0xc6/0x1e0 [ 5735.129773][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5735.129773][ T74] [ 5735.131513][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5735.131513][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5735.131513][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5735.131513][ T74] ipv6_find_idev+0x102/0x170 [ 5735.131513][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5735.131513][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5735.131513][ T74] netlink_rcv_skb+0x130/0x360 [ 5735.131513][ T74] netlink_unicast+0x449/0x710 [ 5735.131513][ T74] netlink_sendmsg+0x723/0xbe0 [ 5735.131513][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5735.131513][ T74] ___sys_sendmsg+0xee/0x170 [ 5735.131513][ T74] __sys_sendmsg+0xcd/0x170 [ 5735.131513][ T74] do_syscall_64+0xc6/0x1e0 [ 5735.131513][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5735.131513][ T74] [ 5745.375945][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5745.376392][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5745.376392][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5745.376392][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5745.376392][ T74] fib6_nh_init+0xa22/0x1580 [ 5745.376392][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5745.376392][ T74] ip6_route_add+0x1c/0x140 [ 5745.376392][ T74] inet6_rtm_newroute+0x104/0x110 [ 5745.376392][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5745.376392][ T74] netlink_rcv_skb+0x130/0x360 [ 5745.376392][ T74] netlink_unicast+0x449/0x710 [ 5745.376392][ T74] netlink_sendmsg+0x723/0xbe0 [ 5745.376392][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5745.376392][ T74] ___sys_sendmsg+0xee/0x170 [ 5745.376392][ T74] __sys_sendmsg+0xcd/0x170 [ 5745.376392][ T74] do_syscall_64+0xc6/0x1e0 [ 5745.376392][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5745.376392][ T74] [ 5745.378323][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5745.378323][ T74] netdev_get_by_index+0x5e/0x80 [ 5745.378323][ T74] fib6_nh_init+0x3d8/0x1580 [ 5745.378323][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5745.378323][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5745.378323][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5745.378323][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5745.378323][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5745.378323][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5745.378323][ T74] addrconf_dad_begin+0x310/0x670 [ 5745.378323][ T74] addrconf_dad_work+0x10b/0xab0 [ 5745.378323][ T74] process_one_work+0x84d/0x18a0 [ 5745.378323][ T74] worker_thread+0x587/0xd30 [ 5745.378323][ T74] kthread+0x28a/0x350 [ 5745.378323][ T74] ret_from_fork+0x31/0x70 [ 5745.378323][ T74] ret_from_fork_asm+0x1a/0x30 [ 5745.378323][ T74] [ 5745.380253][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5745.380253][ T74] netdev_get_by_index+0x5e/0x80 [ 5745.380253][ T74] fib6_nh_init+0x3d8/0x1580 [ 5745.380253][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5745.380253][ T74] ip6_route_add+0x1c/0x140 [ 5745.380253][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5745.380253][ T74] inet6_addr_add+0x4f8/0xa40 [ 5745.380253][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5745.380253][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5745.380253][ T74] netlink_rcv_skb+0x130/0x360 [ 5745.380253][ T74] netlink_unicast+0x449/0x710 [ 5745.380253][ T74] netlink_sendmsg+0x723/0xbe0 [ 5745.380253][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5745.380253][ T74] ___sys_sendmsg+0xee/0x170 [ 5745.380253][ T74] __sys_sendmsg+0xcd/0x170 [ 5745.380253][ T74] do_syscall_64+0xc6/0x1e0 [ 5745.380253][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5745.380253][ T74] [ 5745.382296][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5745.382296][ T74] netdev_get_by_index+0x5e/0x80 [ 5745.382296][ T74] fib6_nh_init+0x3d8/0x1580 [ 5745.382296][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5745.382296][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5745.382296][ T74] ipv6_add_addr+0x411/0x2000 [ 5745.382296][ T74] inet6_addr_add+0x30e/0xa40 [ 5745.382296][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5745.382296][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5745.382296][ T74] netlink_rcv_skb+0x130/0x360 [ 5745.382296][ T74] netlink_unicast+0x449/0x710 [ 5745.382296][ T74] netlink_sendmsg+0x723/0xbe0 [ 5745.382296][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5745.382296][ T74] ___sys_sendmsg+0xee/0x170 [ 5745.382296][ T74] __sys_sendmsg+0xcd/0x170 [ 5745.382296][ T74] do_syscall_64+0xc6/0x1e0 [ 5745.382296][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5745.382296][ T74] [ 5745.384321][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5745.384321][ T74] netdev_get_by_index+0x5e/0x80 [ 5745.384321][ T74] fib6_nh_init+0x3d8/0x1580 [ 5745.384321][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5745.384321][ T74] ip6_route_add+0x1c/0x140 [ 5745.384321][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5745.384321][ T74] addrconf_add_dev+0xe2/0x170 [ 5745.384321][ T74] inet6_addr_add+0x12f/0xa40 [ 5745.384321][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5745.384321][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5745.384321][ T74] netlink_rcv_skb+0x130/0x360 [ 5745.384321][ T74] netlink_unicast+0x449/0x710 [ 5745.384321][ T74] netlink_sendmsg+0x723/0xbe0 [ 5745.384321][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5745.384321][ T74] ___sys_sendmsg+0xee/0x170 [ 5745.384321][ T74] __sys_sendmsg+0xcd/0x170 [ 5745.384321][ T74] do_syscall_64+0xc6/0x1e0 [ 5745.384321][ T74] [ 5745.386326][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5745.386326][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5745.386326][ T74] ipv6_find_idev+0x102/0x170 [ 5745.386326][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5745.386326][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5745.386326][ T74] netlink_rcv_skb+0x130/0x360 [ 5745.386326][ T74] netlink_unicast+0x449/0x710 [ 5745.386326][ T74] netlink_sendmsg+0x723/0xbe0 [ 5745.386326][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5745.386326][ T74] ___sys_sendmsg+0xee/0x170 [ 5745.386326][ T74] __sys_sendmsg+0xcd/0x170 [ 5745.386326][ T74] do_syscall_64+0xc6/0x1e0 [ 5745.386326][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5745.386326][ T74] [ 5745.387878][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5745.387878][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5745.387878][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5745.387878][ T74] ipv6_find_idev+0x102/0x170 [ 5745.387878][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5745.387878][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5745.387878][ T74] netlink_rcv_skb+0x130/0x360 [ 5745.387878][ T74] netlink_unicast+0x449/0x710 [ 5745.387878][ T74] netlink_sendmsg+0x723/0xbe0 [ 5745.387878][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5745.387878][ T74] ___sys_sendmsg+0xee/0x170 [ 5745.387878][ T74] __sys_sendmsg+0xcd/0x170 [ 5745.387878][ T74] do_syscall_64+0xc6/0x1e0 [ 5745.387878][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5745.387878][ T74] [ 5745.389601][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5745.389883][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5745.389883][ T74] dst_init+0x84/0x4a0 [ 5745.389883][ T74] dst_alloc+0x97/0x150 [ 5745.389883][ T74] ip6_dst_alloc+0x23/0x90 [ 5745.389883][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5745.389883][ T74] ip6_pol_route+0x56f/0x840 [ 5745.389883][ T74] fib6_rule_lookup+0x456/0x630 [ 5745.389883][ T74] ip6_route_input+0x59c/0xa50 [ 5745.389883][ T74] ipv6_rcv+0x397/0x810 [ 5745.389883][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5745.389883][ T74] process_backlog+0x101/0x620 [ 5745.389883][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5745.389883][ T74] net_rx_action+0x495/0xbe0 [ 5745.389883][ T74] __do_softirq+0x1b5/0x7f6 [ 5745.389883][ T74] [ 5745.391541][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5745.391541][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5745.391541][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5745.391541][ T74] fib6_nh_init+0xa22/0x1580 [ 5745.391541][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5745.391541][ T74] ip6_route_add+0x1c/0x140 [ 5745.391541][ T74] inet6_rtm_newroute+0x104/0x110 [ 5745.391541][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5745.391541][ T74] netlink_rcv_skb+0x130/0x360 [ 5745.391541][ T74] netlink_unicast+0x449/0x710 [ 5745.391541][ T74] netlink_sendmsg+0x723/0xbe0 [ 5745.391541][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5745.391541][ T74] ___sys_sendmsg+0xee/0x170 [ 5745.391541][ T74] __sys_sendmsg+0xcd/0x170 [ 5745.391541][ T74] do_syscall_64+0xc6/0x1e0 [ 5745.391541][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5745.391541][ T74] [ 5745.393443][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5745.393443][ T74] netdev_get_by_index+0x5e/0x80 [ 5745.393443][ T74] fib6_nh_init+0x3d8/0x1580 [ 5745.393443][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5745.393443][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5745.393443][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5745.393443][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5745.393443][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5745.393443][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5745.393443][ T74] addrconf_dad_begin+0x310/0x670 [ 5745.393443][ T74] addrconf_dad_work+0x10b/0xab0 [ 5745.393443][ T74] process_one_work+0x84d/0x18a0 [ 5745.393443][ T74] worker_thread+0x587/0xd30 [ 5745.393443][ T74] kthread+0x28a/0x350 [ 5745.393443][ T74] ret_from_fork+0x31/0x70 [ 5745.393443][ T74] ret_from_fork_asm+0x1a/0x30 [ 5745.393443][ T74] [ 5745.395649][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5745.395649][ T74] netdev_get_by_index+0x5e/0x80 [ 5745.395649][ T74] fib6_nh_init+0x3d8/0x1580 [ 5745.395649][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5745.395649][ T74] ip6_route_add+0x1c/0x140 [ 5745.395649][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5745.395649][ T74] inet6_addr_add+0x4f8/0xa40 [ 5745.395649][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5745.395649][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5745.395649][ T74] netlink_rcv_skb+0x130/0x360 [ 5745.395649][ T74] netlink_unicast+0x449/0x710 [ 5745.395649][ T74] netlink_sendmsg+0x723/0xbe0 [ 5745.395649][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5745.395649][ T74] ___sys_sendmsg+0xee/0x170 [ 5745.395649][ T74] __sys_sendmsg+0xcd/0x170 [ 5745.395649][ T74] do_syscall_64+0xc6/0x1e0 [ 5745.395649][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5745.395649][ T74] [ 5745.397664][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5745.397664][ T74] netdev_get_by_index+0x5e/0x80 [ 5745.397664][ T74] fib6_nh_init+0x3d8/0x1580 [ 5745.397664][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5745.397664][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5745.397664][ T74] ipv6_add_addr+0x411/0x2000 [ 5745.397664][ T74] inet6_addr_add+0x30e/0xa40 [ 5745.397664][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5745.397664][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5745.397664][ T74] netlink_rcv_skb+0x130/0x360 [ 5745.397664][ T74] netlink_unicast+0x449/0x710 [ 5745.397664][ T74] netlink_sendmsg+0x723/0xbe0 [ 5745.397664][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5745.397664][ T74] ___sys_sendmsg+0xee/0x170 [ 5745.397664][ T74] __sys_sendmsg+0xcd/0x170 [ 5745.397664][ T74] do_syscall_64+0xc6/0x1e0 [ 5745.397664][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5745.397664][ T74] [ 5745.399681][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5745.399681][ T74] netdev_get_by_index+0x5e/0x80 [ 5745.399681][ T74] fib6_nh_init+0x3d8/0x1580 [ 5745.399681][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5745.399681][ T74] ip6_route_add+0x1c/0x140 [ 5745.399681][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5745.399681][ T74] addrconf_add_dev+0xe2/0x170 [ 5745.399681][ T74] inet6_addr_add+0x12f/0xa40 [ 5745.399681][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5745.399681][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5745.399681][ T74] netlink_rcv_skb+0x130/0x360 [ 5745.399681][ T74] netlink_unicast+0x449/0x710 [ 5745.399681][ T74] netlink_sendmsg+0x723/0xbe0 [ 5745.399681][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5745.399681][ T74] ___sys_sendmsg+0xee/0x170 [ 5745.399681][ T74] __sys_sendmsg+0xcd/0x170 [ 5745.399681][ T74] do_syscall_64+0xc6/0x1e0 [ 5745.399681][ T74] [ 5745.401675][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5745.401675][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5745.401675][ T74] ipv6_find_idev+0x102/0x170 [ 5745.401675][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5745.401675][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5745.401675][ T74] netlink_rcv_skb+0x130/0x360 [ 5745.401675][ T74] netlink_unicast+0x449/0x710 [ 5745.401675][ T74] netlink_sendmsg+0x723/0xbe0 [ 5745.401675][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5745.401675][ T74] ___sys_sendmsg+0xee/0x170 [ 5745.401675][ T74] __sys_sendmsg+0xcd/0x170 [ 5745.401675][ T74] do_syscall_64+0xc6/0x1e0 [ 5745.401675][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5745.401675][ T74] [ 5745.403407][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5745.403407][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5745.403407][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5745.403407][ T74] ipv6_find_idev+0x102/0x170 [ 5745.403407][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5745.403407][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5745.403407][ T74] netlink_rcv_skb+0x130/0x360 [ 5745.403407][ T74] netlink_unicast+0x449/0x710 [ 5745.403407][ T74] netlink_sendmsg+0x723/0xbe0 [ 5745.403407][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5745.403407][ T74] ___sys_sendmsg+0xee/0x170 [ 5745.403407][ T74] __sys_sendmsg+0xcd/0x170 [ 5745.403407][ T74] do_syscall_64+0xc6/0x1e0 [ 5745.403407][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5745.403407][ T74] [ 5745.405356][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5745.405659][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5745.405659][ T74] netdev_get_by_index+0x5e/0x80 [ 5745.405659][ T74] fib6_nh_init+0x3d8/0x1580 [ 5745.405659][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5745.405659][ T74] ip6_route_add+0x1c/0x140 [ 5745.405659][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5745.405659][ T74] inet6_addr_add+0x4f8/0xa40 [ 5745.405659][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5745.405659][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5745.405659][ T74] netlink_rcv_skb+0x130/0x360 [ 5745.405659][ T74] netlink_unicast+0x449/0x710 [ 5745.405659][ T74] netlink_sendmsg+0x723/0xbe0 [ 5745.405659][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5745.405659][ T74] ___sys_sendmsg+0xee/0x170 [ 5745.405659][ T74] __sys_sendmsg+0xcd/0x170 [ 5745.405659][ T74] do_syscall_64+0xc6/0x1e0 [ 5745.405659][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5745.405659][ T74] [ 5745.407859][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5745.407859][ T74] netdev_get_by_index+0x5e/0x80 [ 5745.407859][ T74] fib6_nh_init+0x3d8/0x1580 [ 5745.407859][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5745.407859][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5745.407859][ T74] ipv6_add_addr+0x411/0x2000 [ 5745.407859][ T74] inet6_addr_add+0x30e/0xa40 [ 5745.407859][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5745.407859][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5745.407859][ T74] netlink_rcv_skb+0x130/0x360 [ 5745.407859][ T74] netlink_unicast+0x449/0x710 [ 5745.407859][ T74] netlink_sendmsg+0x723/0xbe0 [ 5745.407859][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5745.407859][ T74] ___sys_sendmsg+0xee/0x170 [ 5745.407859][ T74] __sys_sendmsg+0xcd/0x170 [ 5745.407859][ T74] do_syscall_64+0xc6/0x1e0 [ 5745.407859][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5745.407859][ T74] [ 5745.410114][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5745.410114][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5745.410114][ T74] ipv6_find_idev+0x102/0x170 [ 5745.410114][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5745.410114][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5745.410114][ T74] netlink_rcv_skb+0x130/0x360 [ 5745.410114][ T74] netlink_unicast+0x449/0x710 [ 5745.410114][ T74] netlink_sendmsg+0x723/0xbe0 [ 5745.410114][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5745.410114][ T74] ___sys_sendmsg+0xee/0x170 [ 5745.410114][ T74] __sys_sendmsg+0xcd/0x170 [ 5745.410114][ T74] do_syscall_64+0xc6/0x1e0 [ 5745.410114][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5745.410114][ T74] [ 5745.411866][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5745.411866][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5745.411866][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5745.411866][ T74] ipv6_find_idev+0x102/0x170 [ 5745.411866][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5745.411866][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5745.411866][ T74] netlink_rcv_skb+0x130/0x360 [ 5745.411866][ T74] netlink_unicast+0x449/0x710 [ 5745.411866][ T74] netlink_sendmsg+0x723/0xbe0 [ 5745.411866][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5745.411866][ T74] ___sys_sendmsg+0xee/0x170 [ 5745.411866][ T74] __sys_sendmsg+0xcd/0x170 [ 5745.411866][ T74] do_syscall_64+0xc6/0x1e0 [ 5745.411866][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5745.411866][ T74] [ 5755.655981][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5755.656425][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5755.656425][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5755.656425][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5755.656425][ T74] fib6_nh_init+0xa22/0x1580 [ 5755.656425][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5755.656425][ T74] ip6_route_add+0x1c/0x140 [ 5755.656425][ T74] inet6_rtm_newroute+0x104/0x110 [ 5755.656425][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5755.656425][ T74] netlink_rcv_skb+0x130/0x360 [ 5755.656425][ T74] netlink_unicast+0x449/0x710 [ 5755.656425][ T74] netlink_sendmsg+0x723/0xbe0 [ 5755.656425][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5755.656425][ T74] ___sys_sendmsg+0xee/0x170 [ 5755.656425][ T74] __sys_sendmsg+0xcd/0x170 [ 5755.656425][ T74] do_syscall_64+0xc6/0x1e0 [ 5755.656425][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5755.656425][ T74] [ 5755.658349][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5755.658349][ T74] netdev_get_by_index+0x5e/0x80 [ 5755.658349][ T74] fib6_nh_init+0x3d8/0x1580 [ 5755.658349][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5755.658349][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5755.658349][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5755.658349][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5755.658349][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5755.658349][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5755.658349][ T74] addrconf_dad_begin+0x310/0x670 [ 5755.658349][ T74] addrconf_dad_work+0x10b/0xab0 [ 5755.658349][ T74] process_one_work+0x84d/0x18a0 [ 5755.658349][ T74] worker_thread+0x587/0xd30 [ 5755.658349][ T74] kthread+0x28a/0x350 [ 5755.658349][ T74] ret_from_fork+0x31/0x70 [ 5755.658349][ T74] ret_from_fork_asm+0x1a/0x30 [ 5755.658349][ T74] [ 5755.660278][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5755.660278][ T74] netdev_get_by_index+0x5e/0x80 [ 5755.660278][ T74] fib6_nh_init+0x3d8/0x1580 [ 5755.660278][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5755.660278][ T74] ip6_route_add+0x1c/0x140 [ 5755.660278][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5755.660278][ T74] inet6_addr_add+0x4f8/0xa40 [ 5755.660278][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5755.660278][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5755.660278][ T74] netlink_rcv_skb+0x130/0x360 [ 5755.660278][ T74] netlink_unicast+0x449/0x710 [ 5755.660278][ T74] netlink_sendmsg+0x723/0xbe0 [ 5755.660278][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5755.660278][ T74] ___sys_sendmsg+0xee/0x170 [ 5755.660278][ T74] __sys_sendmsg+0xcd/0x170 [ 5755.660278][ T74] do_syscall_64+0xc6/0x1e0 [ 5755.660278][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5755.660278][ T74] [ 5755.662310][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5755.662310][ T74] netdev_get_by_index+0x5e/0x80 [ 5755.662310][ T74] fib6_nh_init+0x3d8/0x1580 [ 5755.662310][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5755.662310][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5755.662310][ T74] ipv6_add_addr+0x411/0x2000 [ 5755.662310][ T74] inet6_addr_add+0x30e/0xa40 [ 5755.662310][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5755.662310][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5755.662310][ T74] netlink_rcv_skb+0x130/0x360 [ 5755.662310][ T74] netlink_unicast+0x449/0x710 [ 5755.662310][ T74] netlink_sendmsg+0x723/0xbe0 [ 5755.662310][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5755.662310][ T74] ___sys_sendmsg+0xee/0x170 [ 5755.662310][ T74] __sys_sendmsg+0xcd/0x170 [ 5755.662310][ T74] do_syscall_64+0xc6/0x1e0 [ 5755.662310][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5755.662310][ T74] [ 5755.664336][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5755.664336][ T74] netdev_get_by_index+0x5e/0x80 [ 5755.664336][ T74] fib6_nh_init+0x3d8/0x1580 [ 5755.664336][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5755.664336][ T74] ip6_route_add+0x1c/0x140 [ 5755.664336][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5755.664336][ T74] addrconf_add_dev+0xe2/0x170 [ 5755.664336][ T74] inet6_addr_add+0x12f/0xa40 [ 5755.664336][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5755.664336][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5755.664336][ T74] netlink_rcv_skb+0x130/0x360 [ 5755.664336][ T74] netlink_unicast+0x449/0x710 [ 5755.664336][ T74] netlink_sendmsg+0x723/0xbe0 [ 5755.664336][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5755.664336][ T74] ___sys_sendmsg+0xee/0x170 [ 5755.664336][ T74] __sys_sendmsg+0xcd/0x170 [ 5755.664336][ T74] do_syscall_64+0xc6/0x1e0 [ 5755.664336][ T74] [ 5755.666323][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5755.666323][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5755.666323][ T74] ipv6_find_idev+0x102/0x170 [ 5755.666323][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5755.666323][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5755.666323][ T74] netlink_rcv_skb+0x130/0x360 [ 5755.666323][ T74] netlink_unicast+0x449/0x710 [ 5755.666323][ T74] netlink_sendmsg+0x723/0xbe0 [ 5755.666323][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5755.666323][ T74] ___sys_sendmsg+0xee/0x170 [ 5755.666323][ T74] __sys_sendmsg+0xcd/0x170 [ 5755.666323][ T74] do_syscall_64+0xc6/0x1e0 [ 5755.666323][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5755.666323][ T74] [ 5755.667878][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5755.667878][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5755.667878][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5755.667878][ T74] ipv6_find_idev+0x102/0x170 [ 5755.667878][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5755.667878][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5755.667878][ T74] netlink_rcv_skb+0x130/0x360 [ 5755.667878][ T74] netlink_unicast+0x449/0x710 [ 5755.667878][ T74] netlink_sendmsg+0x723/0xbe0 [ 5755.667878][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5755.667878][ T74] ___sys_sendmsg+0xee/0x170 [ 5755.667878][ T74] __sys_sendmsg+0xcd/0x170 [ 5755.667878][ T74] do_syscall_64+0xc6/0x1e0 [ 5755.667878][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5755.667878][ T74] [ 5755.669592][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5755.669873][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5755.669873][ T74] dst_init+0x84/0x4a0 [ 5755.669873][ T74] dst_alloc+0x97/0x150 [ 5755.669873][ T74] ip6_dst_alloc+0x23/0x90 [ 5755.669873][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5755.669873][ T74] ip6_pol_route+0x56f/0x840 [ 5755.669873][ T74] fib6_rule_lookup+0x456/0x630 [ 5755.669873][ T74] ip6_route_input+0x59c/0xa50 [ 5755.669873][ T74] ipv6_rcv+0x397/0x810 [ 5755.669873][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5755.669873][ T74] process_backlog+0x101/0x620 [ 5755.669873][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5755.669873][ T74] net_rx_action+0x495/0xbe0 [ 5755.669873][ T74] __do_softirq+0x1b5/0x7f6 [ 5755.669873][ T74] [ 5755.671523][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5755.671523][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5755.671523][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5755.671523][ T74] fib6_nh_init+0xa22/0x1580 [ 5755.671523][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5755.671523][ T74] ip6_route_add+0x1c/0x140 [ 5755.671523][ T74] inet6_rtm_newroute+0x104/0x110 [ 5755.671523][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5755.671523][ T74] netlink_rcv_skb+0x130/0x360 [ 5755.671523][ T74] netlink_unicast+0x449/0x710 [ 5755.671523][ T74] netlink_sendmsg+0x723/0xbe0 [ 5755.671523][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5755.671523][ T74] ___sys_sendmsg+0xee/0x170 [ 5755.671523][ T74] __sys_sendmsg+0xcd/0x170 [ 5755.671523][ T74] do_syscall_64+0xc6/0x1e0 [ 5755.671523][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5755.671523][ T74] [ 5755.673414][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5755.673414][ T74] netdev_get_by_index+0x5e/0x80 [ 5755.673414][ T74] fib6_nh_init+0x3d8/0x1580 [ 5755.673414][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5755.673414][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5755.673414][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5755.673414][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5755.673414][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5755.673414][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5755.673414][ T74] addrconf_dad_begin+0x310/0x670 [ 5755.673414][ T74] addrconf_dad_work+0x10b/0xab0 [ 5755.673414][ T74] process_one_work+0x84d/0x18a0 [ 5755.673414][ T74] worker_thread+0x587/0xd30 [ 5755.673414][ T74] kthread+0x28a/0x350 [ 5755.673414][ T74] ret_from_fork+0x31/0x70 [ 5755.673414][ T74] ret_from_fork_asm+0x1a/0x30 [ 5755.673414][ T74] [ 5755.675332][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5755.675332][ T74] netdev_get_by_index+0x5e/0x80 [ 5755.675332][ T74] fib6_nh_init+0x3d8/0x1580 [ 5755.675332][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5755.675332][ T74] ip6_route_add+0x1c/0x140 [ 5755.675332][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5755.675332][ T74] inet6_addr_add+0x4f8/0xa40 [ 5755.675332][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5755.675332][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5755.675332][ T74] netlink_rcv_skb+0x130/0x360 [ 5755.675332][ T74] netlink_unicast+0x449/0x710 [ 5755.675332][ T74] netlink_sendmsg+0x723/0xbe0 [ 5755.675332][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5755.675332][ T74] ___sys_sendmsg+0xee/0x170 [ 5755.675332][ T74] __sys_sendmsg+0xcd/0x170 [ 5755.675332][ T74] do_syscall_64+0xc6/0x1e0 [ 5755.675332][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5755.675332][ T74] [ 5755.677344][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5755.677344][ T74] netdev_get_by_index+0x5e/0x80 [ 5755.677344][ T74] fib6_nh_init+0x3d8/0x1580 [ 5755.677344][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5755.677344][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5755.677344][ T74] ipv6_add_addr+0x411/0x2000 [ 5755.677344][ T74] inet6_addr_add+0x30e/0xa40 [ 5755.677344][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5755.677344][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5755.677344][ T74] netlink_rcv_skb+0x130/0x360 [ 5755.677344][ T74] netlink_unicast+0x449/0x710 [ 5755.677344][ T74] netlink_sendmsg+0x723/0xbe0 [ 5755.677344][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5755.677344][ T74] ___sys_sendmsg+0xee/0x170 [ 5755.677344][ T74] __sys_sendmsg+0xcd/0x170 [ 5755.677344][ T74] do_syscall_64+0xc6/0x1e0 [ 5755.677344][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5755.677344][ T74] [ 5755.679372][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5755.679372][ T74] netdev_get_by_index+0x5e/0x80 [ 5755.679372][ T74] fib6_nh_init+0x3d8/0x1580 [ 5755.679372][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5755.679372][ T74] ip6_route_add+0x1c/0x140 [ 5755.679372][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5755.679372][ T74] addrconf_add_dev+0xe2/0x170 [ 5755.679372][ T74] inet6_addr_add+0x12f/0xa40 [ 5755.679372][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5755.679372][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5755.679372][ T74] netlink_rcv_skb+0x130/0x360 [ 5755.679372][ T74] netlink_unicast+0x449/0x710 [ 5755.679372][ T74] netlink_sendmsg+0x723/0xbe0 [ 5755.679372][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5755.679372][ T74] ___sys_sendmsg+0xee/0x170 [ 5755.679372][ T74] __sys_sendmsg+0xcd/0x170 [ 5755.679372][ T74] do_syscall_64+0xc6/0x1e0 [ 5755.679372][ T74] [ 5755.681354][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5755.681354][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5755.681354][ T74] ipv6_find_idev+0x102/0x170 [ 5755.681354][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5755.681354][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5755.681354][ T74] netlink_rcv_skb+0x130/0x360 [ 5755.681354][ T74] netlink_unicast+0x449/0x710 [ 5755.681354][ T74] netlink_sendmsg+0x723/0xbe0 [ 5755.681354][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5755.681354][ T74] ___sys_sendmsg+0xee/0x170 [ 5755.681354][ T74] __sys_sendmsg+0xcd/0x170 [ 5755.681354][ T74] do_syscall_64+0xc6/0x1e0 [ 5755.681354][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5755.681354][ T74] [ 5755.683032][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5755.683032][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5755.683032][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5755.683032][ T74] ipv6_find_idev+0x102/0x170 [ 5755.683032][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5755.683032][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5755.683032][ T74] netlink_rcv_skb+0x130/0x360 [ 5755.683032][ T74] netlink_unicast+0x449/0x710 [ 5755.683032][ T74] netlink_sendmsg+0x723/0xbe0 [ 5755.683032][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5755.683032][ T74] ___sys_sendmsg+0xee/0x170 [ 5755.683032][ T74] __sys_sendmsg+0xcd/0x170 [ 5755.683032][ T74] do_syscall_64+0xc6/0x1e0 [ 5755.683032][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5755.683032][ T74] [ 5755.684989][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5755.685287][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5755.685287][ T74] netdev_get_by_index+0x5e/0x80 [ 5755.685287][ T74] fib6_nh_init+0x3d8/0x1580 [ 5755.685287][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5755.685287][ T74] ip6_route_add+0x1c/0x140 [ 5755.685287][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5755.685287][ T74] inet6_addr_add+0x4f8/0xa40 [ 5755.685287][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5755.685287][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5755.685287][ T74] netlink_rcv_skb+0x130/0x360 [ 5755.685287][ T74] netlink_unicast+0x449/0x710 [ 5755.685287][ T74] netlink_sendmsg+0x723/0xbe0 [ 5755.685287][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5755.685287][ T74] ___sys_sendmsg+0xee/0x170 [ 5755.685287][ T74] __sys_sendmsg+0xcd/0x170 [ 5755.685287][ T74] do_syscall_64+0xc6/0x1e0 [ 5755.685287][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5755.685287][ T74] [ 5755.687501][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5755.687501][ T74] netdev_get_by_index+0x5e/0x80 [ 5755.687501][ T74] fib6_nh_init+0x3d8/0x1580 [ 5755.687501][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5755.687501][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5755.687501][ T74] ipv6_add_addr+0x411/0x2000 [ 5755.687501][ T74] inet6_addr_add+0x30e/0xa40 [ 5755.687501][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5755.687501][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5755.687501][ T74] netlink_rcv_skb+0x130/0x360 [ 5755.687501][ T74] netlink_unicast+0x449/0x710 [ 5755.687501][ T74] netlink_sendmsg+0x723/0xbe0 [ 5755.687501][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5755.687501][ T74] ___sys_sendmsg+0xee/0x170 [ 5755.687501][ T74] __sys_sendmsg+0xcd/0x170 [ 5755.687501][ T74] do_syscall_64+0xc6/0x1e0 [ 5755.687501][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5755.687501][ T74] [ 5755.689752][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5755.689752][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5755.689752][ T74] ipv6_find_idev+0x102/0x170 [ 5755.689752][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5755.689752][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5755.689752][ T74] netlink_rcv_skb+0x130/0x360 [ 5755.689752][ T74] netlink_unicast+0x449/0x710 [ 5755.689752][ T74] netlink_sendmsg+0x723/0xbe0 [ 5755.689752][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5755.689752][ T74] ___sys_sendmsg+0xee/0x170 [ 5755.689752][ T74] __sys_sendmsg+0xcd/0x170 [ 5755.689752][ T74] do_syscall_64+0xc6/0x1e0 [ 5755.689752][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5755.689752][ T74] [ 5755.691489][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5755.691489][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5755.691489][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5755.691489][ T74] ipv6_find_idev+0x102/0x170 [ 5755.691489][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5755.691489][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5755.691489][ T74] netlink_rcv_skb+0x130/0x360 [ 5755.691489][ T74] netlink_unicast+0x449/0x710 [ 5755.691489][ T74] netlink_sendmsg+0x723/0xbe0 [ 5755.691489][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5755.691489][ T74] ___sys_sendmsg+0xee/0x170 [ 5755.691489][ T74] __sys_sendmsg+0xcd/0x170 [ 5755.691489][ T74] do_syscall_64+0xc6/0x1e0 [ 5755.691489][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5755.691489][ T74] [ 5765.935952][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5765.936333][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5765.936333][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5765.936333][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5765.936333][ T74] fib6_nh_init+0xa22/0x1580 [ 5765.936333][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5765.936333][ T74] ip6_route_add+0x1c/0x140 [ 5765.936333][ T74] inet6_rtm_newroute+0x104/0x110 [ 5765.936333][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5765.936333][ T74] netlink_rcv_skb+0x130/0x360 [ 5765.936333][ T74] netlink_unicast+0x449/0x710 [ 5765.936333][ T74] netlink_sendmsg+0x723/0xbe0 [ 5765.936333][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5765.936333][ T74] ___sys_sendmsg+0xee/0x170 [ 5765.936333][ T74] __sys_sendmsg+0xcd/0x170 [ 5765.936333][ T74] do_syscall_64+0xc6/0x1e0 [ 5765.936333][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5765.936333][ T74] [ 5765.938250][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5765.938250][ T74] netdev_get_by_index+0x5e/0x80 [ 5765.938250][ T74] fib6_nh_init+0x3d8/0x1580 [ 5765.938250][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5765.938250][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5765.938250][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5765.938250][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5765.938250][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5765.938250][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5765.938250][ T74] addrconf_dad_begin+0x310/0x670 [ 5765.938250][ T74] addrconf_dad_work+0x10b/0xab0 [ 5765.938250][ T74] process_one_work+0x84d/0x18a0 [ 5765.938250][ T74] worker_thread+0x587/0xd30 [ 5765.938250][ T74] kthread+0x28a/0x350 [ 5765.938250][ T74] ret_from_fork+0x31/0x70 [ 5765.938250][ T74] ret_from_fork_asm+0x1a/0x30 [ 5765.938250][ T74] [ 5765.940324][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5765.940324][ T74] netdev_get_by_index+0x5e/0x80 [ 5765.940324][ T74] fib6_nh_init+0x3d8/0x1580 [ 5765.940324][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5765.940324][ T74] ip6_route_add+0x1c/0x140 [ 5765.940324][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5765.940324][ T74] inet6_addr_add+0x4f8/0xa40 [ 5765.940324][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5765.940324][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5765.940324][ T74] netlink_rcv_skb+0x130/0x360 [ 5765.940324][ T74] netlink_unicast+0x449/0x710 [ 5765.940324][ T74] netlink_sendmsg+0x723/0xbe0 [ 5765.940324][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5765.940324][ T74] ___sys_sendmsg+0xee/0x170 [ 5765.940324][ T74] __sys_sendmsg+0xcd/0x170 [ 5765.940324][ T74] do_syscall_64+0xc6/0x1e0 [ 5765.940324][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5765.940324][ T74] [ 5765.942355][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5765.942355][ T74] netdev_get_by_index+0x5e/0x80 [ 5765.942355][ T74] fib6_nh_init+0x3d8/0x1580 [ 5765.942355][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5765.942355][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5765.942355][ T74] ipv6_add_addr+0x411/0x2000 [ 5765.942355][ T74] inet6_addr_add+0x30e/0xa40 [ 5765.942355][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5765.942355][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5765.942355][ T74] netlink_rcv_skb+0x130/0x360 [ 5765.942355][ T74] netlink_unicast+0x449/0x710 [ 5765.942355][ T74] netlink_sendmsg+0x723/0xbe0 [ 5765.942355][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5765.942355][ T74] ___sys_sendmsg+0xee/0x170 [ 5765.942355][ T74] __sys_sendmsg+0xcd/0x170 [ 5765.942355][ T74] do_syscall_64+0xc6/0x1e0 [ 5765.942355][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5765.942355][ T74] [ 5765.944375][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5765.944375][ T74] netdev_get_by_index+0x5e/0x80 [ 5765.944375][ T74] fib6_nh_init+0x3d8/0x1580 [ 5765.944375][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5765.944375][ T74] ip6_route_add+0x1c/0x140 [ 5765.944375][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5765.944375][ T74] addrconf_add_dev+0xe2/0x170 [ 5765.944375][ T74] inet6_addr_add+0x12f/0xa40 [ 5765.944375][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5765.944375][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5765.944375][ T74] netlink_rcv_skb+0x130/0x360 [ 5765.944375][ T74] netlink_unicast+0x449/0x710 [ 5765.944375][ T74] netlink_sendmsg+0x723/0xbe0 [ 5765.944375][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5765.944375][ T74] ___sys_sendmsg+0xee/0x170 [ 5765.944375][ T74] __sys_sendmsg+0xcd/0x170 [ 5765.944375][ T74] do_syscall_64+0xc6/0x1e0 [ 5765.944375][ T74] [ 5765.946363][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5765.946363][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5765.946363][ T74] ipv6_find_idev+0x102/0x170 [ 5765.946363][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5765.946363][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5765.946363][ T74] netlink_rcv_skb+0x130/0x360 [ 5765.946363][ T74] netlink_unicast+0x449/0x710 [ 5765.946363][ T74] netlink_sendmsg+0x723/0xbe0 [ 5765.946363][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5765.946363][ T74] ___sys_sendmsg+0xee/0x170 [ 5765.946363][ T74] __sys_sendmsg+0xcd/0x170 [ 5765.946363][ T74] do_syscall_64+0xc6/0x1e0 [ 5765.946363][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5765.946363][ T74] [ 5765.947954][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5765.947954][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5765.947954][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5765.947954][ T74] ipv6_find_idev+0x102/0x170 [ 5765.947954][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5765.947954][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5765.947954][ T74] netlink_rcv_skb+0x130/0x360 [ 5765.947954][ T74] netlink_unicast+0x449/0x710 [ 5765.947954][ T74] netlink_sendmsg+0x723/0xbe0 [ 5765.947954][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5765.947954][ T74] ___sys_sendmsg+0xee/0x170 [ 5765.947954][ T74] __sys_sendmsg+0xcd/0x170 [ 5765.947954][ T74] do_syscall_64+0xc6/0x1e0 [ 5765.947954][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5765.947954][ T74] [ 5765.949677][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5765.949967][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5765.949967][ T74] dst_init+0x84/0x4a0 [ 5765.949967][ T74] dst_alloc+0x97/0x150 [ 5765.949967][ T74] ip6_dst_alloc+0x23/0x90 [ 5765.949967][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5765.949967][ T74] ip6_pol_route+0x56f/0x840 [ 5765.949967][ T74] fib6_rule_lookup+0x456/0x630 [ 5765.949967][ T74] ip6_route_input+0x59c/0xa50 [ 5765.949967][ T74] ipv6_rcv+0x397/0x810 [ 5765.949967][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5765.949967][ T74] process_backlog+0x101/0x620 [ 5765.949967][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5765.949967][ T74] net_rx_action+0x495/0xbe0 [ 5765.949967][ T74] __do_softirq+0x1b5/0x7f6 [ 5765.949967][ T74] [ 5765.951630][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5765.951630][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5765.951630][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5765.951630][ T74] fib6_nh_init+0xa22/0x1580 [ 5765.951630][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5765.951630][ T74] ip6_route_add+0x1c/0x140 [ 5765.951630][ T74] inet6_rtm_newroute+0x104/0x110 [ 5765.951630][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5765.951630][ T74] netlink_rcv_skb+0x130/0x360 [ 5765.951630][ T74] netlink_unicast+0x449/0x710 [ 5765.951630][ T74] netlink_sendmsg+0x723/0xbe0 [ 5765.951630][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5765.951630][ T74] ___sys_sendmsg+0xee/0x170 [ 5765.951630][ T74] __sys_sendmsg+0xcd/0x170 [ 5765.951630][ T74] do_syscall_64+0xc6/0x1e0 [ 5765.951630][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5765.951630][ T74] [ 5765.953549][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5765.953549][ T74] netdev_get_by_index+0x5e/0x80 [ 5765.953549][ T74] fib6_nh_init+0x3d8/0x1580 [ 5765.953549][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5765.953549][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5765.953549][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5765.953549][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5765.953549][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5765.953549][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5765.953549][ T74] addrconf_dad_begin+0x310/0x670 [ 5765.953549][ T74] addrconf_dad_work+0x10b/0xab0 [ 5765.953549][ T74] process_one_work+0x84d/0x18a0 [ 5765.953549][ T74] worker_thread+0x587/0xd30 [ 5765.953549][ T74] kthread+0x28a/0x350 [ 5765.953549][ T74] ret_from_fork+0x31/0x70 [ 5765.953549][ T74] ret_from_fork_asm+0x1a/0x30 [ 5765.953549][ T74] [ 5765.955485][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5765.955485][ T74] netdev_get_by_index+0x5e/0x80 [ 5765.955485][ T74] fib6_nh_init+0x3d8/0x1580 [ 5765.955485][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5765.955485][ T74] ip6_route_add+0x1c/0x140 [ 5765.955485][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5765.955485][ T74] inet6_addr_add+0x4f8/0xa40 [ 5765.955485][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5765.955485][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5765.955485][ T74] netlink_rcv_skb+0x130/0x360 [ 5765.955485][ T74] netlink_unicast+0x449/0x710 [ 5765.955485][ T74] netlink_sendmsg+0x723/0xbe0 [ 5765.955485][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5765.955485][ T74] ___sys_sendmsg+0xee/0x170 [ 5765.955485][ T74] __sys_sendmsg+0xcd/0x170 [ 5765.955485][ T74] do_syscall_64+0xc6/0x1e0 [ 5765.955485][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5765.955485][ T74] [ 5765.957502][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5765.957502][ T74] netdev_get_by_index+0x5e/0x80 [ 5765.957502][ T74] fib6_nh_init+0x3d8/0x1580 [ 5765.957502][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5765.957502][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5765.957502][ T74] ipv6_add_addr+0x411/0x2000 [ 5765.957502][ T74] inet6_addr_add+0x30e/0xa40 [ 5765.957502][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5765.957502][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5765.957502][ T74] netlink_rcv_skb+0x130/0x360 [ 5765.957502][ T74] netlink_unicast+0x449/0x710 [ 5765.957502][ T74] netlink_sendmsg+0x723/0xbe0 [ 5765.957502][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5765.957502][ T74] ___sys_sendmsg+0xee/0x170 [ 5765.957502][ T74] __sys_sendmsg+0xcd/0x170 [ 5765.957502][ T74] do_syscall_64+0xc6/0x1e0 [ 5765.957502][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5765.957502][ T74] [ 5765.959521][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5765.959521][ T74] netdev_get_by_index+0x5e/0x80 [ 5765.959521][ T74] fib6_nh_init+0x3d8/0x1580 [ 5765.959521][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5765.959521][ T74] ip6_route_add+0x1c/0x140 [ 5765.959521][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5765.959521][ T74] addrconf_add_dev+0xe2/0x170 [ 5765.959521][ T74] inet6_addr_add+0x12f/0xa40 [ 5765.959521][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5765.959521][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5765.959521][ T74] netlink_rcv_skb+0x130/0x360 [ 5765.959521][ T74] netlink_unicast+0x449/0x710 [ 5765.959521][ T74] netlink_sendmsg+0x723/0xbe0 [ 5765.959521][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5765.959521][ T74] ___sys_sendmsg+0xee/0x170 [ 5765.959521][ T74] __sys_sendmsg+0xcd/0x170 [ 5765.959521][ T74] do_syscall_64+0xc6/0x1e0 [ 5765.959521][ T74] [ 5765.961514][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5765.961514][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5765.961514][ T74] ipv6_find_idev+0x102/0x170 [ 5765.961514][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5765.961514][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5765.961514][ T74] netlink_rcv_skb+0x130/0x360 [ 5765.961514][ T74] netlink_unicast+0x449/0x710 [ 5765.961514][ T74] netlink_sendmsg+0x723/0xbe0 [ 5765.961514][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5765.961514][ T74] ___sys_sendmsg+0xee/0x170 [ 5765.961514][ T74] __sys_sendmsg+0xcd/0x170 [ 5765.961514][ T74] do_syscall_64+0xc6/0x1e0 [ 5765.961514][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5765.961514][ T74] [ 5765.963275][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5765.963275][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5765.963275][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5765.963275][ T74] ipv6_find_idev+0x102/0x170 [ 5765.963275][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5765.963275][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5765.963275][ T74] netlink_rcv_skb+0x130/0x360 [ 5765.963275][ T74] netlink_unicast+0x449/0x710 [ 5765.963275][ T74] netlink_sendmsg+0x723/0xbe0 [ 5765.963275][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5765.963275][ T74] ___sys_sendmsg+0xee/0x170 [ 5765.963275][ T74] __sys_sendmsg+0xcd/0x170 [ 5765.963275][ T74] do_syscall_64+0xc6/0x1e0 [ 5765.963275][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5765.963275][ T74] [ 5765.965233][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5765.965531][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5765.965531][ T74] netdev_get_by_index+0x5e/0x80 [ 5765.965531][ T74] fib6_nh_init+0x3d8/0x1580 [ 5765.965531][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5765.965531][ T74] ip6_route_add+0x1c/0x140 [ 5765.965531][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5765.965531][ T74] inet6_addr_add+0x4f8/0xa40 [ 5765.965531][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5765.965531][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5765.965531][ T74] netlink_rcv_skb+0x130/0x360 [ 5765.965531][ T74] netlink_unicast+0x449/0x710 [ 5765.965531][ T74] netlink_sendmsg+0x723/0xbe0 [ 5765.965531][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5765.965531][ T74] ___sys_sendmsg+0xee/0x170 [ 5765.965531][ T74] __sys_sendmsg+0xcd/0x170 [ 5765.965531][ T74] do_syscall_64+0xc6/0x1e0 [ 5765.965531][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5765.965531][ T74] [ 5765.967734][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5765.967734][ T74] netdev_get_by_index+0x5e/0x80 [ 5765.967734][ T74] fib6_nh_init+0x3d8/0x1580 [ 5765.967734][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5765.967734][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5765.967734][ T74] ipv6_add_addr+0x411/0x2000 [ 5765.967734][ T74] inet6_addr_add+0x30e/0xa40 [ 5765.967734][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5765.967734][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5765.967734][ T74] netlink_rcv_skb+0x130/0x360 [ 5765.967734][ T74] netlink_unicast+0x449/0x710 [ 5765.967734][ T74] netlink_sendmsg+0x723/0xbe0 [ 5765.967734][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5765.967734][ T74] ___sys_sendmsg+0xee/0x170 [ 5765.967734][ T74] __sys_sendmsg+0xcd/0x170 [ 5765.967734][ T74] do_syscall_64+0xc6/0x1e0 [ 5765.967734][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5765.967734][ T74] [ 5765.970009][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5765.970009][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5765.970009][ T74] ipv6_find_idev+0x102/0x170 [ 5765.970009][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5765.970009][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5765.970009][ T74] netlink_rcv_skb+0x130/0x360 [ 5765.970009][ T74] netlink_unicast+0x449/0x710 [ 5765.970009][ T74] netlink_sendmsg+0x723/0xbe0 [ 5765.970009][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5765.970009][ T74] ___sys_sendmsg+0xee/0x170 [ 5765.970009][ T74] __sys_sendmsg+0xcd/0x170 [ 5765.970009][ T74] do_syscall_64+0xc6/0x1e0 [ 5765.970009][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5765.970009][ T74] [ 5765.971754][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5765.971754][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5765.971754][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5765.971754][ T74] ipv6_find_idev+0x102/0x170 [ 5765.971754][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5765.971754][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5765.971754][ T74] netlink_rcv_skb+0x130/0x360 [ 5765.971754][ T74] netlink_unicast+0x449/0x710 [ 5765.971754][ T74] netlink_sendmsg+0x723/0xbe0 [ 5765.971754][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5765.971754][ T74] ___sys_sendmsg+0xee/0x170 [ 5765.971754][ T74] __sys_sendmsg+0xcd/0x170 [ 5765.971754][ T74] do_syscall_64+0xc6/0x1e0 [ 5765.971754][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5765.971754][ T74] [ 5775.984021][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5775.984444][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5775.984444][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5775.984444][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5775.984444][ T74] fib6_nh_init+0xa22/0x1580 [ 5775.984444][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5775.984444][ T74] ip6_route_add+0x1c/0x140 [ 5775.984444][ T74] inet6_rtm_newroute+0x104/0x110 [ 5775.984444][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5775.984444][ T74] netlink_rcv_skb+0x130/0x360 [ 5775.984444][ T74] netlink_unicast+0x449/0x710 [ 5775.984444][ T74] netlink_sendmsg+0x723/0xbe0 [ 5775.984444][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5775.984444][ T74] ___sys_sendmsg+0xee/0x170 [ 5775.984444][ T74] __sys_sendmsg+0xcd/0x170 [ 5775.984444][ T74] do_syscall_64+0xc6/0x1e0 [ 5775.984444][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5775.984444][ T74] [ 5775.986330][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5775.986330][ T74] netdev_get_by_index+0x5e/0x80 [ 5775.986330][ T74] fib6_nh_init+0x3d8/0x1580 [ 5775.986330][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5775.986330][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5775.986330][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5775.986330][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5775.986330][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5775.986330][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5775.986330][ T74] addrconf_dad_begin+0x310/0x670 [ 5775.986330][ T74] addrconf_dad_work+0x10b/0xab0 [ 5775.986330][ T74] process_one_work+0x84d/0x18a0 [ 5775.986330][ T74] worker_thread+0x587/0xd30 [ 5775.986330][ T74] kthread+0x28a/0x350 [ 5775.986330][ T74] ret_from_fork+0x31/0x70 [ 5775.986330][ T74] ret_from_fork_asm+0x1a/0x30 [ 5775.986330][ T74] [ 5775.988227][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5775.988227][ T74] netdev_get_by_index+0x5e/0x80 [ 5775.988227][ T74] fib6_nh_init+0x3d8/0x1580 [ 5775.988227][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5775.988227][ T74] ip6_route_add+0x1c/0x140 [ 5775.988227][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5775.988227][ T74] inet6_addr_add+0x4f8/0xa40 [ 5775.988227][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5775.988227][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5775.988227][ T74] netlink_rcv_skb+0x130/0x360 [ 5775.988227][ T74] netlink_unicast+0x449/0x710 [ 5775.988227][ T74] netlink_sendmsg+0x723/0xbe0 [ 5775.988227][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5775.988227][ T74] ___sys_sendmsg+0xee/0x170 [ 5775.988227][ T74] __sys_sendmsg+0xcd/0x170 [ 5775.988227][ T74] do_syscall_64+0xc6/0x1e0 [ 5775.988227][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5775.988227][ T74] [ 5775.990200][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5775.990200][ T74] netdev_get_by_index+0x5e/0x80 [ 5775.990200][ T74] fib6_nh_init+0x3d8/0x1580 [ 5775.990200][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5775.990200][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5775.990200][ T74] ipv6_add_addr+0x411/0x2000 [ 5775.990200][ T74] inet6_addr_add+0x30e/0xa40 [ 5775.990200][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5775.990200][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5775.990200][ T74] netlink_rcv_skb+0x130/0x360 [ 5775.990200][ T74] netlink_unicast+0x449/0x710 [ 5775.990200][ T74] netlink_sendmsg+0x723/0xbe0 [ 5775.990200][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5775.990200][ T74] ___sys_sendmsg+0xee/0x170 [ 5775.990200][ T74] __sys_sendmsg+0xcd/0x170 [ 5775.990200][ T74] do_syscall_64+0xc6/0x1e0 [ 5775.990200][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5775.990200][ T74] [ 5775.992206][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5775.992206][ T74] netdev_get_by_index+0x5e/0x80 [ 5775.992206][ T74] fib6_nh_init+0x3d8/0x1580 [ 5775.992206][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5775.992206][ T74] ip6_route_add+0x1c/0x140 [ 5775.992206][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5775.992206][ T74] addrconf_add_dev+0xe2/0x170 [ 5775.992206][ T74] inet6_addr_add+0x12f/0xa40 [ 5775.992206][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5775.992206][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5775.992206][ T74] netlink_rcv_skb+0x130/0x360 [ 5775.992206][ T74] netlink_unicast+0x449/0x710 [ 5775.992206][ T74] netlink_sendmsg+0x723/0xbe0 [ 5775.992206][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5775.992206][ T74] ___sys_sendmsg+0xee/0x170 [ 5775.992206][ T74] __sys_sendmsg+0xcd/0x170 [ 5775.992206][ T74] do_syscall_64+0xc6/0x1e0 [ 5775.992206][ T74] [ 5775.994184][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5775.994184][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5775.994184][ T74] ipv6_find_idev+0x102/0x170 [ 5775.994184][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5775.994184][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5775.994184][ T74] netlink_rcv_skb+0x130/0x360 [ 5775.994184][ T74] netlink_unicast+0x449/0x710 [ 5775.994184][ T74] netlink_sendmsg+0x723/0xbe0 [ 5775.994184][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5775.994184][ T74] ___sys_sendmsg+0xee/0x170 [ 5775.994184][ T74] __sys_sendmsg+0xcd/0x170 [ 5775.994184][ T74] do_syscall_64+0xc6/0x1e0 [ 5775.994184][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5775.994184][ T74] [ 5775.995719][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5775.995719][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5775.995719][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5775.995719][ T74] ipv6_find_idev+0x102/0x170 [ 5775.995719][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5775.995719][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5775.995719][ T74] netlink_rcv_skb+0x130/0x360 [ 5775.995719][ T74] netlink_unicast+0x449/0x710 [ 5775.995719][ T74] netlink_sendmsg+0x723/0xbe0 [ 5775.995719][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5775.995719][ T74] ___sys_sendmsg+0xee/0x170 [ 5775.995719][ T74] __sys_sendmsg+0xcd/0x170 [ 5775.995719][ T74] do_syscall_64+0xc6/0x1e0 [ 5775.995719][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5775.995719][ T74] [ 5775.997420][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5775.997696][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5775.997696][ T74] dst_init+0x84/0x4a0 [ 5775.997696][ T74] dst_alloc+0x97/0x150 [ 5775.997696][ T74] ip6_dst_alloc+0x23/0x90 [ 5775.997696][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5775.997696][ T74] ip6_pol_route+0x56f/0x840 [ 5775.997696][ T74] fib6_rule_lookup+0x456/0x630 [ 5775.997696][ T74] ip6_route_input+0x59c/0xa50 [ 5775.997696][ T74] ipv6_rcv+0x397/0x810 [ 5775.997696][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5775.997696][ T74] process_backlog+0x101/0x620 [ 5775.997696][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5775.997696][ T74] net_rx_action+0x495/0xbe0 [ 5775.997696][ T74] __do_softirq+0x1b5/0x7f6 [ 5775.997696][ T74] [ 5775.999335][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5775.999335][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5775.999335][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5775.999335][ T74] fib6_nh_init+0xa22/0x1580 [ 5775.999335][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5775.999335][ T74] ip6_route_add+0x1c/0x140 [ 5775.999335][ T74] inet6_rtm_newroute+0x104/0x110 [ 5775.999335][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5775.999335][ T74] netlink_rcv_skb+0x130/0x360 [ 5775.999335][ T74] netlink_unicast+0x449/0x710 [ 5775.999335][ T74] netlink_sendmsg+0x723/0xbe0 [ 5775.999335][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5775.999335][ T74] ___sys_sendmsg+0xee/0x170 [ 5775.999335][ T74] __sys_sendmsg+0xcd/0x170 [ 5775.999335][ T74] do_syscall_64+0xc6/0x1e0 [ 5775.999335][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5775.999335][ T74] [ 5776.001195][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5776.001195][ T74] netdev_get_by_index+0x5e/0x80 [ 5776.001195][ T74] fib6_nh_init+0x3d8/0x1580 [ 5776.001195][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5776.001195][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5776.001195][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5776.001195][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5776.001195][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5776.001195][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5776.001195][ T74] addrconf_dad_begin+0x310/0x670 [ 5776.001195][ T74] addrconf_dad_work+0x10b/0xab0 [ 5776.001195][ T74] process_one_work+0x84d/0x18a0 [ 5776.001195][ T74] worker_thread+0x587/0xd30 [ 5776.001195][ T74] kthread+0x28a/0x350 [ 5776.001195][ T74] ret_from_fork+0x31/0x70 [ 5776.001195][ T74] ret_from_fork_asm+0x1a/0x30 [ 5776.001195][ T74] [ 5776.003085][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5776.003085][ T74] netdev_get_by_index+0x5e/0x80 [ 5776.003085][ T74] fib6_nh_init+0x3d8/0x1580 [ 5776.003085][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5776.003085][ T74] ip6_route_add+0x1c/0x140 [ 5776.003085][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5776.003085][ T74] inet6_addr_add+0x4f8/0xa40 [ 5776.003085][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5776.003085][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5776.003085][ T74] netlink_rcv_skb+0x130/0x360 [ 5776.003085][ T74] netlink_unicast+0x449/0x710 [ 5776.003085][ T74] netlink_sendmsg+0x723/0xbe0 [ 5776.003085][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5776.003085][ T74] ___sys_sendmsg+0xee/0x170 [ 5776.003085][ T74] __sys_sendmsg+0xcd/0x170 [ 5776.003085][ T74] do_syscall_64+0xc6/0x1e0 [ 5776.003085][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5776.003085][ T74] [ 5776.005058][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5776.005058][ T74] netdev_get_by_index+0x5e/0x80 [ 5776.005058][ T74] fib6_nh_init+0x3d8/0x1580 [ 5776.005058][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5776.005058][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5776.005058][ T74] ipv6_add_addr+0x411/0x2000 [ 5776.005058][ T74] inet6_addr_add+0x30e/0xa40 [ 5776.005058][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5776.005058][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5776.005058][ T74] netlink_rcv_skb+0x130/0x360 [ 5776.005058][ T74] netlink_unicast+0x449/0x710 [ 5776.005058][ T74] netlink_sendmsg+0x723/0xbe0 [ 5776.005058][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5776.005058][ T74] ___sys_sendmsg+0xee/0x170 [ 5776.005058][ T74] __sys_sendmsg+0xcd/0x170 [ 5776.005058][ T74] do_syscall_64+0xc6/0x1e0 [ 5776.005058][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5776.005058][ T74] [ 5776.007056][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5776.007056][ T74] netdev_get_by_index+0x5e/0x80 [ 5776.007056][ T74] fib6_nh_init+0x3d8/0x1580 [ 5776.007056][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5776.007056][ T74] ip6_route_add+0x1c/0x140 [ 5776.007056][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5776.007056][ T74] addrconf_add_dev+0xe2/0x170 [ 5776.007056][ T74] inet6_addr_add+0x12f/0xa40 [ 5776.007056][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5776.007056][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5776.007056][ T74] netlink_rcv_skb+0x130/0x360 [ 5776.007056][ T74] netlink_unicast+0x449/0x710 [ 5776.007056][ T74] netlink_sendmsg+0x723/0xbe0 [ 5776.007056][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5776.007056][ T74] ___sys_sendmsg+0xee/0x170 [ 5776.007056][ T74] __sys_sendmsg+0xcd/0x170 [ 5776.007056][ T74] do_syscall_64+0xc6/0x1e0 [ 5776.007056][ T74] [ 5776.009024][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5776.009024][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5776.009024][ T74] ipv6_find_idev+0x102/0x170 [ 5776.009024][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5776.009024][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5776.009024][ T74] netlink_rcv_skb+0x130/0x360 [ 5776.009024][ T74] netlink_unicast+0x449/0x710 [ 5776.009024][ T74] netlink_sendmsg+0x723/0xbe0 [ 5776.009024][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5776.009024][ T74] ___sys_sendmsg+0xee/0x170 [ 5776.009024][ T74] __sys_sendmsg+0xcd/0x170 [ 5776.009024][ T74] do_syscall_64+0xc6/0x1e0 [ 5776.009024][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5776.009024][ T74] [ 5776.010620][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5776.010620][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5776.010620][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5776.010620][ T74] ipv6_find_idev+0x102/0x170 [ 5776.010620][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5776.010620][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5776.010620][ T74] netlink_rcv_skb+0x130/0x360 [ 5776.010620][ T74] netlink_unicast+0x449/0x710 [ 5776.010620][ T74] netlink_sendmsg+0x723/0xbe0 [ 5776.010620][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5776.010620][ T74] ___sys_sendmsg+0xee/0x170 [ 5776.010620][ T74] __sys_sendmsg+0xcd/0x170 [ 5776.010620][ T74] do_syscall_64+0xc6/0x1e0 [ 5776.010620][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5776.010620][ T74] [ 5776.012738][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5776.012998][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5776.012998][ T74] netdev_get_by_index+0x5e/0x80 [ 5776.012998][ T74] fib6_nh_init+0x3d8/0x1580 [ 5776.012998][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5776.012998][ T74] ip6_route_add+0x1c/0x140 [ 5776.012998][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5776.012998][ T74] inet6_addr_add+0x4f8/0xa40 [ 5776.012998][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5776.012998][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5776.012998][ T74] netlink_rcv_skb+0x130/0x360 [ 5776.012998][ T74] netlink_unicast+0x449/0x710 [ 5776.012998][ T74] netlink_sendmsg+0x723/0xbe0 [ 5776.012998][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5776.012998][ T74] ___sys_sendmsg+0xee/0x170 [ 5776.012998][ T74] __sys_sendmsg+0xcd/0x170 [ 5776.012998][ T74] do_syscall_64+0xc6/0x1e0 [ 5776.012998][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5776.012998][ T74] [ 5776.015225][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5776.015225][ T74] netdev_get_by_index+0x5e/0x80 [ 5776.015225][ T74] fib6_nh_init+0x3d8/0x1580 [ 5776.015225][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5776.015225][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5776.015225][ T74] ipv6_add_addr+0x411/0x2000 [ 5776.015225][ T74] inet6_addr_add+0x30e/0xa40 [ 5776.015225][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5776.015225][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5776.015225][ T74] netlink_rcv_skb+0x130/0x360 [ 5776.015225][ T74] netlink_unicast+0x449/0x710 [ 5776.015225][ T74] netlink_sendmsg+0x723/0xbe0 [ 5776.015225][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5776.015225][ T74] ___sys_sendmsg+0xee/0x170 [ 5776.015225][ T74] __sys_sendmsg+0xcd/0x170 [ 5776.015225][ T74] do_syscall_64+0xc6/0x1e0 [ 5776.015225][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5776.015225][ T74] [ 5776.017446][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5776.017446][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5776.017446][ T74] ipv6_find_idev+0x102/0x170 [ 5776.017446][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5776.017446][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5776.017446][ T74] netlink_rcv_skb+0x130/0x360 [ 5776.017446][ T74] netlink_unicast+0x449/0x710 [ 5776.017446][ T74] netlink_sendmsg+0x723/0xbe0 [ 5776.017446][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5776.017446][ T74] ___sys_sendmsg+0xee/0x170 [ 5776.017446][ T74] __sys_sendmsg+0xcd/0x170 [ 5776.017446][ T74] do_syscall_64+0xc6/0x1e0 [ 5776.017446][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5776.017446][ T74] [ 5776.019157][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5776.019157][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5776.019157][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5776.019157][ T74] ipv6_find_idev+0x102/0x170 [ 5776.019157][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5776.019157][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5776.019157][ T74] netlink_rcv_skb+0x130/0x360 [ 5776.019157][ T74] netlink_unicast+0x449/0x710 [ 5776.019157][ T74] netlink_sendmsg+0x723/0xbe0 [ 5776.019157][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5776.019157][ T74] ___sys_sendmsg+0xee/0x170 [ 5776.019157][ T74] __sys_sendmsg+0xcd/0x170 [ 5776.019157][ T74] do_syscall_64+0xc6/0x1e0 [ 5776.019157][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5776.019157][ T74] [ 5786.271954][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5786.272398][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5786.272398][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5786.272398][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5786.272398][ T74] fib6_nh_init+0xa22/0x1580 [ 5786.272398][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5786.272398][ T74] ip6_route_add+0x1c/0x140 [ 5786.272398][ T74] inet6_rtm_newroute+0x104/0x110 [ 5786.272398][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5786.272398][ T74] netlink_rcv_skb+0x130/0x360 [ 5786.272398][ T74] netlink_unicast+0x449/0x710 [ 5786.272398][ T74] netlink_sendmsg+0x723/0xbe0 [ 5786.272398][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5786.272398][ T74] ___sys_sendmsg+0xee/0x170 [ 5786.272398][ T74] __sys_sendmsg+0xcd/0x170 [ 5786.272398][ T74] do_syscall_64+0xc6/0x1e0 [ 5786.272398][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5786.272398][ T74] [ 5786.274317][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5786.274317][ T74] netdev_get_by_index+0x5e/0x80 [ 5786.274317][ T74] fib6_nh_init+0x3d8/0x1580 [ 5786.274317][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5786.274317][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5786.274317][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5786.274317][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5786.274317][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5786.274317][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5786.274317][ T74] addrconf_dad_begin+0x310/0x670 [ 5786.274317][ T74] addrconf_dad_work+0x10b/0xab0 [ 5786.274317][ T74] process_one_work+0x84d/0x18a0 [ 5786.274317][ T74] worker_thread+0x587/0xd30 [ 5786.274317][ T74] kthread+0x28a/0x350 [ 5786.274317][ T74] ret_from_fork+0x31/0x70 [ 5786.274317][ T74] ret_from_fork_asm+0x1a/0x30 [ 5786.274317][ T74] [ 5786.276267][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5786.276267][ T74] netdev_get_by_index+0x5e/0x80 [ 5786.276267][ T74] fib6_nh_init+0x3d8/0x1580 [ 5786.276267][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5786.276267][ T74] ip6_route_add+0x1c/0x140 [ 5786.276267][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5786.276267][ T74] inet6_addr_add+0x4f8/0xa40 [ 5786.276267][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5786.276267][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5786.276267][ T74] netlink_rcv_skb+0x130/0x360 [ 5786.276267][ T74] netlink_unicast+0x449/0x710 [ 5786.276267][ T74] netlink_sendmsg+0x723/0xbe0 [ 5786.276267][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5786.276267][ T74] ___sys_sendmsg+0xee/0x170 [ 5786.276267][ T74] __sys_sendmsg+0xcd/0x170 [ 5786.276267][ T74] do_syscall_64+0xc6/0x1e0 [ 5786.276267][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5786.276267][ T74] [ 5786.278286][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5786.278286][ T74] netdev_get_by_index+0x5e/0x80 [ 5786.278286][ T74] fib6_nh_init+0x3d8/0x1580 [ 5786.278286][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5786.278286][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5786.278286][ T74] ipv6_add_addr+0x411/0x2000 [ 5786.278286][ T74] inet6_addr_add+0x30e/0xa40 [ 5786.278286][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5786.278286][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5786.278286][ T74] netlink_rcv_skb+0x130/0x360 [ 5786.278286][ T74] netlink_unicast+0x449/0x710 [ 5786.278286][ T74] netlink_sendmsg+0x723/0xbe0 [ 5786.278286][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5786.278286][ T74] ___sys_sendmsg+0xee/0x170 [ 5786.278286][ T74] __sys_sendmsg+0xcd/0x170 [ 5786.278286][ T74] do_syscall_64+0xc6/0x1e0 [ 5786.278286][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5786.278286][ T74] [ 5786.280302][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5786.280302][ T74] netdev_get_by_index+0x5e/0x80 [ 5786.280302][ T74] fib6_nh_init+0x3d8/0x1580 [ 5786.280302][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5786.280302][ T74] ip6_route_add+0x1c/0x140 [ 5786.280302][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5786.280302][ T74] addrconf_add_dev+0xe2/0x170 [ 5786.280302][ T74] inet6_addr_add+0x12f/0xa40 [ 5786.280302][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5786.280302][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5786.280302][ T74] netlink_rcv_skb+0x130/0x360 [ 5786.280302][ T74] netlink_unicast+0x449/0x710 [ 5786.280302][ T74] netlink_sendmsg+0x723/0xbe0 [ 5786.280302][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5786.280302][ T74] ___sys_sendmsg+0xee/0x170 [ 5786.280302][ T74] __sys_sendmsg+0xcd/0x170 [ 5786.280302][ T74] do_syscall_64+0xc6/0x1e0 [ 5786.280302][ T74] [ 5786.282294][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5786.282294][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5786.282294][ T74] ipv6_find_idev+0x102/0x170 [ 5786.282294][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5786.282294][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5786.282294][ T74] netlink_rcv_skb+0x130/0x360 [ 5786.282294][ T74] netlink_unicast+0x449/0x710 [ 5786.282294][ T74] netlink_sendmsg+0x723/0xbe0 [ 5786.282294][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5786.282294][ T74] ___sys_sendmsg+0xee/0x170 [ 5786.282294][ T74] __sys_sendmsg+0xcd/0x170 [ 5786.282294][ T74] do_syscall_64+0xc6/0x1e0 [ 5786.282294][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5786.282294][ T74] [ 5786.283843][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5786.283843][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5786.283843][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5786.283843][ T74] ipv6_find_idev+0x102/0x170 [ 5786.283843][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5786.283843][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5786.283843][ T74] netlink_rcv_skb+0x130/0x360 [ 5786.283843][ T74] netlink_unicast+0x449/0x710 [ 5786.283843][ T74] netlink_sendmsg+0x723/0xbe0 [ 5786.283843][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5786.283843][ T74] ___sys_sendmsg+0xee/0x170 [ 5786.283843][ T74] __sys_sendmsg+0xcd/0x170 [ 5786.283843][ T74] do_syscall_64+0xc6/0x1e0 [ 5786.283843][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5786.283843][ T74] [ 5786.285563][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5786.285837][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5786.285837][ T74] dst_init+0x84/0x4a0 [ 5786.285837][ T74] dst_alloc+0x97/0x150 [ 5786.285837][ T74] ip6_dst_alloc+0x23/0x90 [ 5786.285837][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5786.285837][ T74] ip6_pol_route+0x56f/0x840 [ 5786.285837][ T74] fib6_rule_lookup+0x456/0x630 [ 5786.285837][ T74] ip6_route_input+0x59c/0xa50 [ 5786.285837][ T74] ipv6_rcv+0x397/0x810 [ 5786.285837][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5786.285837][ T74] process_backlog+0x101/0x620 [ 5786.285837][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5786.285837][ T74] net_rx_action+0x495/0xbe0 [ 5786.285837][ T74] __do_softirq+0x1b5/0x7f6 [ 5786.285837][ T74] [ 5786.287497][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5786.287497][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5786.287497][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5786.287497][ T74] fib6_nh_init+0xa22/0x1580 [ 5786.287497][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5786.287497][ T74] ip6_route_add+0x1c/0x140 [ 5786.287497][ T74] inet6_rtm_newroute+0x104/0x110 [ 5786.287497][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5786.287497][ T74] netlink_rcv_skb+0x130/0x360 [ 5786.287497][ T74] netlink_unicast+0x449/0x710 [ 5786.287497][ T74] netlink_sendmsg+0x723/0xbe0 [ 5786.287497][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5786.287497][ T74] ___sys_sendmsg+0xee/0x170 [ 5786.287497][ T74] __sys_sendmsg+0xcd/0x170 [ 5786.287497][ T74] do_syscall_64+0xc6/0x1e0 [ 5786.287497][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5786.287497][ T74] [ 5786.289401][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5786.289401][ T74] netdev_get_by_index+0x5e/0x80 [ 5786.289401][ T74] fib6_nh_init+0x3d8/0x1580 [ 5786.289401][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5786.289401][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5786.289401][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5786.289401][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5786.289401][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5786.289401][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5786.289401][ T74] addrconf_dad_begin+0x310/0x670 [ 5786.289401][ T74] addrconf_dad_work+0x10b/0xab0 [ 5786.289401][ T74] process_one_work+0x84d/0x18a0 [ 5786.289401][ T74] worker_thread+0x587/0xd30 [ 5786.289401][ T74] kthread+0x28a/0x350 [ 5786.289401][ T74] ret_from_fork+0x31/0x70 [ 5786.289401][ T74] ret_from_fork_asm+0x1a/0x30 [ 5786.289401][ T74] [ 5786.291334][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5786.291334][ T74] netdev_get_by_index+0x5e/0x80 [ 5786.291334][ T74] fib6_nh_init+0x3d8/0x1580 [ 5786.291334][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5786.291334][ T74] ip6_route_add+0x1c/0x140 [ 5786.291334][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5786.291334][ T74] inet6_addr_add+0x4f8/0xa40 [ 5786.291334][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5786.291334][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5786.291334][ T74] netlink_rcv_skb+0x130/0x360 [ 5786.291334][ T74] netlink_unicast+0x449/0x710 [ 5786.291334][ T74] netlink_sendmsg+0x723/0xbe0 [ 5786.291334][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5786.291334][ T74] ___sys_sendmsg+0xee/0x170 [ 5786.291334][ T74] __sys_sendmsg+0xcd/0x170 [ 5786.291334][ T74] do_syscall_64+0xc6/0x1e0 [ 5786.291334][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5786.291334][ T74] [ 5786.293400][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5786.293400][ T74] netdev_get_by_index+0x5e/0x80 [ 5786.293400][ T74] fib6_nh_init+0x3d8/0x1580 [ 5786.293400][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5786.293400][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5786.293400][ T74] ipv6_add_addr+0x411/0x2000 [ 5786.293400][ T74] inet6_addr_add+0x30e/0xa40 [ 5786.293400][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5786.293400][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5786.293400][ T74] netlink_rcv_skb+0x130/0x360 [ 5786.293400][ T74] netlink_unicast+0x449/0x710 [ 5786.293400][ T74] netlink_sendmsg+0x723/0xbe0 [ 5786.293400][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5786.293400][ T74] ___sys_sendmsg+0xee/0x170 [ 5786.293400][ T74] __sys_sendmsg+0xcd/0x170 [ 5786.293400][ T74] do_syscall_64+0xc6/0x1e0 [ 5786.293400][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5786.293400][ T74] [ 5786.295425][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5786.295425][ T74] netdev_get_by_index+0x5e/0x80 [ 5786.295425][ T74] fib6_nh_init+0x3d8/0x1580 [ 5786.295425][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5786.295425][ T74] ip6_route_add+0x1c/0x140 [ 5786.295425][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5786.295425][ T74] addrconf_add_dev+0xe2/0x170 [ 5786.295425][ T74] inet6_addr_add+0x12f/0xa40 [ 5786.295425][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5786.295425][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5786.295425][ T74] netlink_rcv_skb+0x130/0x360 [ 5786.295425][ T74] netlink_unicast+0x449/0x710 [ 5786.295425][ T74] netlink_sendmsg+0x723/0xbe0 [ 5786.295425][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5786.295425][ T74] ___sys_sendmsg+0xee/0x170 [ 5786.295425][ T74] __sys_sendmsg+0xcd/0x170 [ 5786.295425][ T74] do_syscall_64+0xc6/0x1e0 [ 5786.295425][ T74] [ 5786.297401][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5786.297401][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5786.297401][ T74] ipv6_find_idev+0x102/0x170 [ 5786.297401][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5786.297401][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5786.297401][ T74] netlink_rcv_skb+0x130/0x360 [ 5786.297401][ T74] netlink_unicast+0x449/0x710 [ 5786.297401][ T74] netlink_sendmsg+0x723/0xbe0 [ 5786.297401][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5786.297401][ T74] ___sys_sendmsg+0xee/0x170 [ 5786.297401][ T74] __sys_sendmsg+0xcd/0x170 [ 5786.297401][ T74] do_syscall_64+0xc6/0x1e0 [ 5786.297401][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5786.297401][ T74] [ 5786.299077][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5786.299077][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5786.299077][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5786.299077][ T74] ipv6_find_idev+0x102/0x170 [ 5786.299077][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5786.299077][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5786.299077][ T74] netlink_rcv_skb+0x130/0x360 [ 5786.299077][ T74] netlink_unicast+0x449/0x710 [ 5786.299077][ T74] netlink_sendmsg+0x723/0xbe0 [ 5786.299077][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5786.299077][ T74] ___sys_sendmsg+0xee/0x170 [ 5786.299077][ T74] __sys_sendmsg+0xcd/0x170 [ 5786.299077][ T74] do_syscall_64+0xc6/0x1e0 [ 5786.299077][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5786.299077][ T74] [ 5786.300852][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5786.301159][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5786.301159][ T74] netdev_get_by_index+0x5e/0x80 [ 5786.301159][ T74] fib6_nh_init+0x3d8/0x1580 [ 5786.301159][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5786.301159][ T74] ip6_route_add+0x1c/0x140 [ 5786.301159][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5786.301159][ T74] inet6_addr_add+0x4f8/0xa40 [ 5786.301159][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5786.301159][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5786.301159][ T74] netlink_rcv_skb+0x130/0x360 [ 5786.301159][ T74] netlink_unicast+0x449/0x710 [ 5786.301159][ T74] netlink_sendmsg+0x723/0xbe0 [ 5786.301159][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5786.301159][ T74] ___sys_sendmsg+0xee/0x170 [ 5786.301159][ T74] __sys_sendmsg+0xcd/0x170 [ 5786.301159][ T74] do_syscall_64+0xc6/0x1e0 [ 5786.301159][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5786.301159][ T74] [ 5786.303243][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5786.303243][ T74] netdev_get_by_index+0x5e/0x80 [ 5786.303243][ T74] fib6_nh_init+0x3d8/0x1580 [ 5786.303243][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5786.303243][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5786.303243][ T74] ipv6_add_addr+0x411/0x2000 [ 5786.303243][ T74] inet6_addr_add+0x30e/0xa40 [ 5786.303243][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5786.303243][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5786.303243][ T74] netlink_rcv_skb+0x130/0x360 [ 5786.303243][ T74] netlink_unicast+0x449/0x710 [ 5786.303243][ T74] netlink_sendmsg+0x723/0xbe0 [ 5786.303243][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5786.303243][ T74] ___sys_sendmsg+0xee/0x170 [ 5786.303243][ T74] __sys_sendmsg+0xcd/0x170 [ 5786.303243][ T74] do_syscall_64+0xc6/0x1e0 [ 5786.303243][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5786.303243][ T74] [ 5786.305385][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5786.305385][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5786.305385][ T74] ipv6_find_idev+0x102/0x170 [ 5786.305385][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5786.305385][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5786.305385][ T74] netlink_rcv_skb+0x130/0x360 [ 5786.305385][ T74] netlink_unicast+0x449/0x710 [ 5786.305385][ T74] netlink_sendmsg+0x723/0xbe0 [ 5786.305385][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5786.305385][ T74] ___sys_sendmsg+0xee/0x170 [ 5786.305385][ T74] __sys_sendmsg+0xcd/0x170 [ 5786.305385][ T74] do_syscall_64+0xc6/0x1e0 [ 5786.305385][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5786.305385][ T74] [ 5786.307066][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5786.307066][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5786.307066][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5786.307066][ T74] ipv6_find_idev+0x102/0x170 [ 5786.307066][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5786.307066][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5786.307066][ T74] netlink_rcv_skb+0x130/0x360 [ 5786.307066][ T74] netlink_unicast+0x449/0x710 [ 5786.307066][ T74] netlink_sendmsg+0x723/0xbe0 [ 5786.307066][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5786.307066][ T74] ___sys_sendmsg+0xee/0x170 [ 5786.307066][ T74] __sys_sendmsg+0xcd/0x170 [ 5786.307066][ T74] do_syscall_64+0xc6/0x1e0 [ 5786.307066][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5786.307066][ T74] [ 5796.559959][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5796.560404][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5796.560404][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5796.560404][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5796.560404][ T74] fib6_nh_init+0xa22/0x1580 [ 5796.560404][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5796.560404][ T74] ip6_route_add+0x1c/0x140 [ 5796.560404][ T74] inet6_rtm_newroute+0x104/0x110 [ 5796.560404][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5796.560404][ T74] netlink_rcv_skb+0x130/0x360 [ 5796.560404][ T74] netlink_unicast+0x449/0x710 [ 5796.560404][ T74] netlink_sendmsg+0x723/0xbe0 [ 5796.560404][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5796.560404][ T74] ___sys_sendmsg+0xee/0x170 [ 5796.560404][ T74] __sys_sendmsg+0xcd/0x170 [ 5796.560404][ T74] do_syscall_64+0xc6/0x1e0 [ 5796.560404][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5796.560404][ T74] [ 5796.562333][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5796.562333][ T74] netdev_get_by_index+0x5e/0x80 [ 5796.562333][ T74] fib6_nh_init+0x3d8/0x1580 [ 5796.562333][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5796.562333][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5796.562333][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5796.562333][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5796.562333][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5796.562333][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5796.562333][ T74] addrconf_dad_begin+0x310/0x670 [ 5796.562333][ T74] addrconf_dad_work+0x10b/0xab0 [ 5796.562333][ T74] process_one_work+0x84d/0x18a0 [ 5796.562333][ T74] worker_thread+0x587/0xd30 [ 5796.562333][ T74] kthread+0x28a/0x350 [ 5796.562333][ T74] ret_from_fork+0x31/0x70 [ 5796.562333][ T74] ret_from_fork_asm+0x1a/0x30 [ 5796.562333][ T74] [ 5796.564242][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5796.564242][ T74] netdev_get_by_index+0x5e/0x80 [ 5796.564242][ T74] fib6_nh_init+0x3d8/0x1580 [ 5796.564242][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5796.564242][ T74] ip6_route_add+0x1c/0x140 [ 5796.564242][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5796.564242][ T74] inet6_addr_add+0x4f8/0xa40 [ 5796.564242][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5796.564242][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5796.564242][ T74] netlink_rcv_skb+0x130/0x360 [ 5796.564242][ T74] netlink_unicast+0x449/0x710 [ 5796.564242][ T74] netlink_sendmsg+0x723/0xbe0 [ 5796.564242][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5796.564242][ T74] ___sys_sendmsg+0xee/0x170 [ 5796.564242][ T74] __sys_sendmsg+0xcd/0x170 [ 5796.564242][ T74] do_syscall_64+0xc6/0x1e0 [ 5796.564242][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5796.564242][ T74] [ 5796.566233][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5796.566233][ T74] netdev_get_by_index+0x5e/0x80 [ 5796.566233][ T74] fib6_nh_init+0x3d8/0x1580 [ 5796.566233][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5796.566233][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5796.566233][ T74] ipv6_add_addr+0x411/0x2000 [ 5796.566233][ T74] inet6_addr_add+0x30e/0xa40 [ 5796.566233][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5796.566233][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5796.566233][ T74] netlink_rcv_skb+0x130/0x360 [ 5796.566233][ T74] netlink_unicast+0x449/0x710 [ 5796.566233][ T74] netlink_sendmsg+0x723/0xbe0 [ 5796.566233][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5796.566233][ T74] ___sys_sendmsg+0xee/0x170 [ 5796.566233][ T74] __sys_sendmsg+0xcd/0x170 [ 5796.566233][ T74] do_syscall_64+0xc6/0x1e0 [ 5796.566233][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5796.566233][ T74] [ 5796.568253][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5796.568253][ T74] netdev_get_by_index+0x5e/0x80 [ 5796.568253][ T74] fib6_nh_init+0x3d8/0x1580 [ 5796.568253][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5796.568253][ T74] ip6_route_add+0x1c/0x140 [ 5796.568253][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5796.568253][ T74] addrconf_add_dev+0xe2/0x170 [ 5796.568253][ T74] inet6_addr_add+0x12f/0xa40 [ 5796.568253][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5796.568253][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5796.568253][ T74] netlink_rcv_skb+0x130/0x360 [ 5796.568253][ T74] netlink_unicast+0x449/0x710 [ 5796.568253][ T74] netlink_sendmsg+0x723/0xbe0 [ 5796.568253][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5796.568253][ T74] ___sys_sendmsg+0xee/0x170 [ 5796.568253][ T74] __sys_sendmsg+0xcd/0x170 [ 5796.568253][ T74] do_syscall_64+0xc6/0x1e0 [ 5796.568253][ T74] [ 5796.570234][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5796.570234][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5796.570234][ T74] ipv6_find_idev+0x102/0x170 [ 5796.570234][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5796.570234][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5796.570234][ T74] netlink_rcv_skb+0x130/0x360 [ 5796.570234][ T74] netlink_unicast+0x449/0x710 [ 5796.570234][ T74] netlink_sendmsg+0x723/0xbe0 [ 5796.570234][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5796.570234][ T74] ___sys_sendmsg+0xee/0x170 [ 5796.570234][ T74] __sys_sendmsg+0xcd/0x170 [ 5796.570234][ T74] do_syscall_64+0xc6/0x1e0 [ 5796.570234][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5796.570234][ T74] [ 5796.571779][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5796.571779][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5796.571779][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5796.571779][ T74] ipv6_find_idev+0x102/0x170 [ 5796.571779][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5796.571779][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5796.571779][ T74] netlink_rcv_skb+0x130/0x360 [ 5796.571779][ T74] netlink_unicast+0x449/0x710 [ 5796.571779][ T74] netlink_sendmsg+0x723/0xbe0 [ 5796.571779][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5796.571779][ T74] ___sys_sendmsg+0xee/0x170 [ 5796.571779][ T74] __sys_sendmsg+0xcd/0x170 [ 5796.571779][ T74] do_syscall_64+0xc6/0x1e0 [ 5796.571779][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5796.571779][ T74] [ 5796.573463][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5796.573743][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5796.573743][ T74] dst_init+0x84/0x4a0 [ 5796.573743][ T74] dst_alloc+0x97/0x150 [ 5796.573743][ T74] ip6_dst_alloc+0x23/0x90 [ 5796.573743][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5796.573743][ T74] ip6_pol_route+0x56f/0x840 [ 5796.573743][ T74] fib6_rule_lookup+0x456/0x630 [ 5796.573743][ T74] ip6_route_input+0x59c/0xa50 [ 5796.573743][ T74] ipv6_rcv+0x397/0x810 [ 5796.573743][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5796.573743][ T74] process_backlog+0x101/0x620 [ 5796.573743][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5796.573743][ T74] net_rx_action+0x495/0xbe0 [ 5796.573743][ T74] __do_softirq+0x1b5/0x7f6 [ 5796.573743][ T74] [ 5796.575371][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5796.575371][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5796.575371][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5796.575371][ T74] fib6_nh_init+0xa22/0x1580 [ 5796.575371][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5796.575371][ T74] ip6_route_add+0x1c/0x140 [ 5796.575371][ T74] inet6_rtm_newroute+0x104/0x110 [ 5796.575371][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5796.575371][ T74] netlink_rcv_skb+0x130/0x360 [ 5796.575371][ T74] netlink_unicast+0x449/0x710 [ 5796.575371][ T74] netlink_sendmsg+0x723/0xbe0 [ 5796.575371][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5796.575371][ T74] ___sys_sendmsg+0xee/0x170 [ 5796.575371][ T74] __sys_sendmsg+0xcd/0x170 [ 5796.575371][ T74] do_syscall_64+0xc6/0x1e0 [ 5796.575371][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5796.575371][ T74] [ 5796.577250][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5796.577250][ T74] netdev_get_by_index+0x5e/0x80 [ 5796.577250][ T74] fib6_nh_init+0x3d8/0x1580 [ 5796.577250][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5796.577250][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5796.577250][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5796.577250][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5796.577250][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5796.577250][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5796.577250][ T74] addrconf_dad_begin+0x310/0x670 [ 5796.577250][ T74] addrconf_dad_work+0x10b/0xab0 [ 5796.577250][ T74] process_one_work+0x84d/0x18a0 [ 5796.577250][ T74] worker_thread+0x587/0xd30 [ 5796.577250][ T74] kthread+0x28a/0x350 [ 5796.577250][ T74] ret_from_fork+0x31/0x70 [ 5796.577250][ T74] ret_from_fork_asm+0x1a/0x30 [ 5796.577250][ T74] [ 5796.579155][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5796.579155][ T74] netdev_get_by_index+0x5e/0x80 [ 5796.579155][ T74] fib6_nh_init+0x3d8/0x1580 [ 5796.579155][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5796.579155][ T74] ip6_route_add+0x1c/0x140 [ 5796.579155][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5796.579155][ T74] inet6_addr_add+0x4f8/0xa40 [ 5796.579155][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5796.579155][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5796.579155][ T74] netlink_rcv_skb+0x130/0x360 [ 5796.579155][ T74] netlink_unicast+0x449/0x710 [ 5796.579155][ T74] netlink_sendmsg+0x723/0xbe0 [ 5796.579155][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5796.579155][ T74] ___sys_sendmsg+0xee/0x170 [ 5796.579155][ T74] __sys_sendmsg+0xcd/0x170 [ 5796.579155][ T74] do_syscall_64+0xc6/0x1e0 [ 5796.579155][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5796.579155][ T74] [ 5796.581143][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5796.581143][ T74] netdev_get_by_index+0x5e/0x80 [ 5796.581143][ T74] fib6_nh_init+0x3d8/0x1580 [ 5796.581143][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5796.581143][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5796.581143][ T74] ipv6_add_addr+0x411/0x2000 [ 5796.581143][ T74] inet6_addr_add+0x30e/0xa40 [ 5796.581143][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5796.581143][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5796.581143][ T74] netlink_rcv_skb+0x130/0x360 [ 5796.581143][ T74] netlink_unicast+0x449/0x710 [ 5796.581143][ T74] netlink_sendmsg+0x723/0xbe0 [ 5796.581143][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5796.581143][ T74] ___sys_sendmsg+0xee/0x170 [ 5796.581143][ T74] __sys_sendmsg+0xcd/0x170 [ 5796.581143][ T74] do_syscall_64+0xc6/0x1e0 [ 5796.581143][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5796.581143][ T74] [ 5796.583146][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5796.583146][ T74] netdev_get_by_index+0x5e/0x80 [ 5796.583146][ T74] fib6_nh_init+0x3d8/0x1580 [ 5796.583146][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5796.583146][ T74] ip6_route_add+0x1c/0x140 [ 5796.583146][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5796.583146][ T74] addrconf_add_dev+0xe2/0x170 [ 5796.583146][ T74] inet6_addr_add+0x12f/0xa40 [ 5796.583146][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5796.583146][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5796.583146][ T74] netlink_rcv_skb+0x130/0x360 [ 5796.583146][ T74] netlink_unicast+0x449/0x710 [ 5796.583146][ T74] netlink_sendmsg+0x723/0xbe0 [ 5796.583146][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5796.583146][ T74] ___sys_sendmsg+0xee/0x170 [ 5796.583146][ T74] __sys_sendmsg+0xcd/0x170 [ 5796.583146][ T74] do_syscall_64+0xc6/0x1e0 [ 5796.583146][ T74] [ 5796.585103][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5796.585103][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5796.585103][ T74] ipv6_find_idev+0x102/0x170 [ 5796.585103][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5796.585103][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5796.585103][ T74] netlink_rcv_skb+0x130/0x360 [ 5796.585103][ T74] netlink_unicast+0x449/0x710 [ 5796.585103][ T74] netlink_sendmsg+0x723/0xbe0 [ 5796.585103][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5796.585103][ T74] ___sys_sendmsg+0xee/0x170 [ 5796.585103][ T74] __sys_sendmsg+0xcd/0x170 [ 5796.585103][ T74] do_syscall_64+0xc6/0x1e0 [ 5796.585103][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5796.585103][ T74] [ 5796.586755][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5796.586755][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5796.586755][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5796.586755][ T74] ipv6_find_idev+0x102/0x170 [ 5796.586755][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5796.586755][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5796.586755][ T74] netlink_rcv_skb+0x130/0x360 [ 5796.586755][ T74] netlink_unicast+0x449/0x710 [ 5796.586755][ T74] netlink_sendmsg+0x723/0xbe0 [ 5796.586755][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5796.586755][ T74] ___sys_sendmsg+0xee/0x170 [ 5796.586755][ T74] __sys_sendmsg+0xcd/0x170 [ 5796.586755][ T74] do_syscall_64+0xc6/0x1e0 [ 5796.586755][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5796.586755][ T74] [ 5796.588621][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5796.588932][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5796.588932][ T74] netdev_get_by_index+0x5e/0x80 [ 5796.588932][ T74] fib6_nh_init+0x3d8/0x1580 [ 5796.588932][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5796.588932][ T74] ip6_route_add+0x1c/0x140 [ 5796.588932][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5796.588932][ T74] inet6_addr_add+0x4f8/0xa40 [ 5796.588932][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5796.588932][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5796.588932][ T74] netlink_rcv_skb+0x130/0x360 [ 5796.588932][ T74] netlink_unicast+0x449/0x710 [ 5796.588932][ T74] netlink_sendmsg+0x723/0xbe0 [ 5796.588932][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5796.588932][ T74] ___sys_sendmsg+0xee/0x170 [ 5796.588932][ T74] __sys_sendmsg+0xcd/0x170 [ 5796.588932][ T74] do_syscall_64+0xc6/0x1e0 [ 5796.588932][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5796.588932][ T74] [ 5796.591045][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5796.591045][ T74] netdev_get_by_index+0x5e/0x80 [ 5796.591045][ T74] fib6_nh_init+0x3d8/0x1580 [ 5796.591045][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5796.591045][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5796.591045][ T74] ipv6_add_addr+0x411/0x2000 [ 5796.591045][ T74] inet6_addr_add+0x30e/0xa40 [ 5796.591045][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5796.591045][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5796.591045][ T74] netlink_rcv_skb+0x130/0x360 [ 5796.591045][ T74] netlink_unicast+0x449/0x710 [ 5796.591045][ T74] netlink_sendmsg+0x723/0xbe0 [ 5796.591045][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5796.591045][ T74] ___sys_sendmsg+0xee/0x170 [ 5796.591045][ T74] __sys_sendmsg+0xcd/0x170 [ 5796.591045][ T74] do_syscall_64+0xc6/0x1e0 [ 5796.591045][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5796.591045][ T74] [ 5796.593277][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5796.593277][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5796.593277][ T74] ipv6_find_idev+0x102/0x170 [ 5796.593277][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5796.593277][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5796.593277][ T74] netlink_rcv_skb+0x130/0x360 [ 5796.593277][ T74] netlink_unicast+0x449/0x710 [ 5796.593277][ T74] netlink_sendmsg+0x723/0xbe0 [ 5796.593277][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5796.593277][ T74] ___sys_sendmsg+0xee/0x170 [ 5796.593277][ T74] __sys_sendmsg+0xcd/0x170 [ 5796.593277][ T74] do_syscall_64+0xc6/0x1e0 [ 5796.593277][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5796.593277][ T74] [ 5796.594937][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5796.594937][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5796.594937][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5796.594937][ T74] ipv6_find_idev+0x102/0x170 [ 5796.594937][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5796.594937][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5796.594937][ T74] netlink_rcv_skb+0x130/0x360 [ 5796.594937][ T74] netlink_unicast+0x449/0x710 [ 5796.594937][ T74] netlink_sendmsg+0x723/0xbe0 [ 5796.594937][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5796.594937][ T74] ___sys_sendmsg+0xee/0x170 [ 5796.594937][ T74] __sys_sendmsg+0xcd/0x170 [ 5796.594937][ T74] do_syscall_64+0xc6/0x1e0 [ 5796.594937][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5796.594937][ T74] [ 5806.847954][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5806.848308][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5806.848308][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5806.848308][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5806.848308][ T74] fib6_nh_init+0xa22/0x1580 [ 5806.848308][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5806.848308][ T74] ip6_route_add+0x1c/0x140 [ 5806.848308][ T74] inet6_rtm_newroute+0x104/0x110 [ 5806.848308][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5806.848308][ T74] netlink_rcv_skb+0x130/0x360 [ 5806.848308][ T74] netlink_unicast+0x449/0x710 [ 5806.848308][ T74] netlink_sendmsg+0x723/0xbe0 [ 5806.848308][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5806.848308][ T74] ___sys_sendmsg+0xee/0x170 [ 5806.848308][ T74] __sys_sendmsg+0xcd/0x170 [ 5806.848308][ T74] do_syscall_64+0xc6/0x1e0 [ 5806.848308][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5806.848308][ T74] [ 5806.850200][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5806.850200][ T74] netdev_get_by_index+0x5e/0x80 [ 5806.850200][ T74] fib6_nh_init+0x3d8/0x1580 [ 5806.850200][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5806.850200][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5806.850200][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5806.850200][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5806.850200][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5806.850200][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5806.850200][ T74] addrconf_dad_begin+0x310/0x670 [ 5806.850200][ T74] addrconf_dad_work+0x10b/0xab0 [ 5806.850200][ T74] process_one_work+0x84d/0x18a0 [ 5806.850200][ T74] worker_thread+0x587/0xd30 [ 5806.850200][ T74] kthread+0x28a/0x350 [ 5806.850200][ T74] ret_from_fork+0x31/0x70 [ 5806.850200][ T74] ret_from_fork_asm+0x1a/0x30 [ 5806.850200][ T74] [ 5806.852121][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5806.852121][ T74] netdev_get_by_index+0x5e/0x80 [ 5806.852121][ T74] fib6_nh_init+0x3d8/0x1580 [ 5806.852121][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5806.852121][ T74] ip6_route_add+0x1c/0x140 [ 5806.852121][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5806.852121][ T74] inet6_addr_add+0x4f8/0xa40 [ 5806.852121][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5806.852121][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5806.852121][ T74] netlink_rcv_skb+0x130/0x360 [ 5806.852121][ T74] netlink_unicast+0x449/0x710 [ 5806.852121][ T74] netlink_sendmsg+0x723/0xbe0 [ 5806.852121][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5806.852121][ T74] ___sys_sendmsg+0xee/0x170 [ 5806.852121][ T74] __sys_sendmsg+0xcd/0x170 [ 5806.852121][ T74] do_syscall_64+0xc6/0x1e0 [ 5806.852121][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5806.852121][ T74] [ 5806.854117][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5806.854117][ T74] netdev_get_by_index+0x5e/0x80 [ 5806.854117][ T74] fib6_nh_init+0x3d8/0x1580 [ 5806.854117][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5806.854117][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5806.854117][ T74] ipv6_add_addr+0x411/0x2000 [ 5806.854117][ T74] inet6_addr_add+0x30e/0xa40 [ 5806.854117][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5806.854117][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5806.854117][ T74] netlink_rcv_skb+0x130/0x360 [ 5806.854117][ T74] netlink_unicast+0x449/0x710 [ 5806.854117][ T74] netlink_sendmsg+0x723/0xbe0 [ 5806.854117][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5806.854117][ T74] ___sys_sendmsg+0xee/0x170 [ 5806.854117][ T74] __sys_sendmsg+0xcd/0x170 [ 5806.854117][ T74] do_syscall_64+0xc6/0x1e0 [ 5806.854117][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5806.854117][ T74] [ 5806.856108][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5806.856108][ T74] netdev_get_by_index+0x5e/0x80 [ 5806.856108][ T74] fib6_nh_init+0x3d8/0x1580 [ 5806.856108][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5806.856108][ T74] ip6_route_add+0x1c/0x140 [ 5806.856108][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5806.856108][ T74] addrconf_add_dev+0xe2/0x170 [ 5806.856108][ T74] inet6_addr_add+0x12f/0xa40 [ 5806.856108][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5806.856108][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5806.856108][ T74] netlink_rcv_skb+0x130/0x360 [ 5806.856108][ T74] netlink_unicast+0x449/0x710 [ 5806.856108][ T74] netlink_sendmsg+0x723/0xbe0 [ 5806.856108][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5806.856108][ T74] ___sys_sendmsg+0xee/0x170 [ 5806.856108][ T74] __sys_sendmsg+0xcd/0x170 [ 5806.856108][ T74] do_syscall_64+0xc6/0x1e0 [ 5806.856108][ T74] [ 5806.858065][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5806.858065][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5806.858065][ T74] ipv6_find_idev+0x102/0x170 [ 5806.858065][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5806.858065][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5806.858065][ T74] netlink_rcv_skb+0x130/0x360 [ 5806.858065][ T74] netlink_unicast+0x449/0x710 [ 5806.858065][ T74] netlink_sendmsg+0x723/0xbe0 [ 5806.858065][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5806.858065][ T74] ___sys_sendmsg+0xee/0x170 [ 5806.858065][ T74] __sys_sendmsg+0xcd/0x170 [ 5806.858065][ T74] do_syscall_64+0xc6/0x1e0 [ 5806.858065][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5806.858065][ T74] [ 5806.859613][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5806.859613][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5806.859613][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5806.859613][ T74] ipv6_find_idev+0x102/0x170 [ 5806.859613][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5806.859613][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5806.859613][ T74] netlink_rcv_skb+0x130/0x360 [ 5806.859613][ T74] netlink_unicast+0x449/0x710 [ 5806.859613][ T74] netlink_sendmsg+0x723/0xbe0 [ 5806.859613][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5806.859613][ T74] ___sys_sendmsg+0xee/0x170 [ 5806.859613][ T74] __sys_sendmsg+0xcd/0x170 [ 5806.859613][ T74] do_syscall_64+0xc6/0x1e0 [ 5806.859613][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5806.859613][ T74] [ 5806.861308][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5806.861586][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5806.861586][ T74] dst_init+0x84/0x4a0 [ 5806.861586][ T74] dst_alloc+0x97/0x150 [ 5806.861586][ T74] ip6_dst_alloc+0x23/0x90 [ 5806.861586][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5806.861586][ T74] ip6_pol_route+0x56f/0x840 [ 5806.861586][ T74] fib6_rule_lookup+0x456/0x630 [ 5806.861586][ T74] ip6_route_input+0x59c/0xa50 [ 5806.861586][ T74] ipv6_rcv+0x397/0x810 [ 5806.861586][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5806.861586][ T74] process_backlog+0x101/0x620 [ 5806.861586][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5806.861586][ T74] net_rx_action+0x495/0xbe0 [ 5806.861586][ T74] __do_softirq+0x1b5/0x7f6 [ 5806.861586][ T74] [ 5806.863233][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5806.863233][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5806.863233][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5806.863233][ T74] fib6_nh_init+0xa22/0x1580 [ 5806.863233][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5806.863233][ T74] ip6_route_add+0x1c/0x140 [ 5806.863233][ T74] inet6_rtm_newroute+0x104/0x110 [ 5806.863233][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5806.863233][ T74] netlink_rcv_skb+0x130/0x360 [ 5806.863233][ T74] netlink_unicast+0x449/0x710 [ 5806.863233][ T74] netlink_sendmsg+0x723/0xbe0 [ 5806.863233][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5806.863233][ T74] ___sys_sendmsg+0xee/0x170 [ 5806.863233][ T74] __sys_sendmsg+0xcd/0x170 [ 5806.863233][ T74] do_syscall_64+0xc6/0x1e0 [ 5806.863233][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5806.863233][ T74] [ 5806.865110][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5806.865110][ T74] netdev_get_by_index+0x5e/0x80 [ 5806.865110][ T74] fib6_nh_init+0x3d8/0x1580 [ 5806.865110][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5806.865110][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5806.865110][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5806.865110][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5806.865110][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5806.865110][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5806.865110][ T74] addrconf_dad_begin+0x310/0x670 [ 5806.865110][ T74] addrconf_dad_work+0x10b/0xab0 [ 5806.865110][ T74] process_one_work+0x84d/0x18a0 [ 5806.865110][ T74] worker_thread+0x587/0xd30 [ 5806.865110][ T74] kthread+0x28a/0x350 [ 5806.865110][ T74] ret_from_fork+0x31/0x70 [ 5806.865110][ T74] ret_from_fork_asm+0x1a/0x30 [ 5806.865110][ T74] [ 5806.867011][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5806.867011][ T74] netdev_get_by_index+0x5e/0x80 [ 5806.867011][ T74] fib6_nh_init+0x3d8/0x1580 [ 5806.867011][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5806.867011][ T74] ip6_route_add+0x1c/0x140 [ 5806.867011][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5806.867011][ T74] inet6_addr_add+0x4f8/0xa40 [ 5806.867011][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5806.867011][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5806.867011][ T74] netlink_rcv_skb+0x130/0x360 [ 5806.867011][ T74] netlink_unicast+0x449/0x710 [ 5806.867011][ T74] netlink_sendmsg+0x723/0xbe0 [ 5806.867011][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5806.867011][ T74] ___sys_sendmsg+0xee/0x170 [ 5806.867011][ T74] __sys_sendmsg+0xcd/0x170 [ 5806.867011][ T74] do_syscall_64+0xc6/0x1e0 [ 5806.867011][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5806.867011][ T74] [ 5806.869041][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5806.869041][ T74] netdev_get_by_index+0x5e/0x80 [ 5806.869041][ T74] fib6_nh_init+0x3d8/0x1580 [ 5806.869041][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5806.869041][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5806.869041][ T74] ipv6_add_addr+0x411/0x2000 [ 5806.869041][ T74] inet6_addr_add+0x30e/0xa40 [ 5806.869041][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5806.869041][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5806.869041][ T74] netlink_rcv_skb+0x130/0x360 [ 5806.869041][ T74] netlink_unicast+0x449/0x710 [ 5806.869041][ T74] netlink_sendmsg+0x723/0xbe0 [ 5806.869041][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5806.869041][ T74] ___sys_sendmsg+0xee/0x170 [ 5806.869041][ T74] __sys_sendmsg+0xcd/0x170 [ 5806.869041][ T74] do_syscall_64+0xc6/0x1e0 [ 5806.869041][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5806.869041][ T74] [ 5806.871026][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5806.871026][ T74] netdev_get_by_index+0x5e/0x80 [ 5806.871026][ T74] fib6_nh_init+0x3d8/0x1580 [ 5806.871026][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5806.871026][ T74] ip6_route_add+0x1c/0x140 [ 5806.871026][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5806.871026][ T74] addrconf_add_dev+0xe2/0x170 [ 5806.871026][ T74] inet6_addr_add+0x12f/0xa40 [ 5806.871026][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5806.871026][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5806.871026][ T74] netlink_rcv_skb+0x130/0x360 [ 5806.871026][ T74] netlink_unicast+0x449/0x710 [ 5806.871026][ T74] netlink_sendmsg+0x723/0xbe0 [ 5806.871026][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5806.871026][ T74] ___sys_sendmsg+0xee/0x170 [ 5806.871026][ T74] __sys_sendmsg+0xcd/0x170 [ 5806.871026][ T74] do_syscall_64+0xc6/0x1e0 [ 5806.871026][ T74] [ 5806.872999][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5806.872999][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5806.872999][ T74] ipv6_find_idev+0x102/0x170 [ 5806.872999][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5806.872999][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5806.872999][ T74] netlink_rcv_skb+0x130/0x360 [ 5806.872999][ T74] netlink_unicast+0x449/0x710 [ 5806.872999][ T74] netlink_sendmsg+0x723/0xbe0 [ 5806.872999][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5806.872999][ T74] ___sys_sendmsg+0xee/0x170 [ 5806.872999][ T74] __sys_sendmsg+0xcd/0x170 [ 5806.872999][ T74] do_syscall_64+0xc6/0x1e0 [ 5806.872999][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5806.872999][ T74] [ 5806.874665][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5806.874665][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5806.874665][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5806.874665][ T74] ipv6_find_idev+0x102/0x170 [ 5806.874665][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5806.874665][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5806.874665][ T74] netlink_rcv_skb+0x130/0x360 [ 5806.874665][ T74] netlink_unicast+0x449/0x710 [ 5806.874665][ T74] netlink_sendmsg+0x723/0xbe0 [ 5806.874665][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5806.874665][ T74] ___sys_sendmsg+0xee/0x170 [ 5806.874665][ T74] __sys_sendmsg+0xcd/0x170 [ 5806.874665][ T74] do_syscall_64+0xc6/0x1e0 [ 5806.874665][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5806.874665][ T74] [ 5806.876656][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5806.876913][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5806.876913][ T74] netdev_get_by_index+0x5e/0x80 [ 5806.876913][ T74] fib6_nh_init+0x3d8/0x1580 [ 5806.876913][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5806.876913][ T74] ip6_route_add+0x1c/0x140 [ 5806.876913][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5806.876913][ T74] inet6_addr_add+0x4f8/0xa40 [ 5806.876913][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5806.876913][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5806.876913][ T74] netlink_rcv_skb+0x130/0x360 [ 5806.876913][ T74] netlink_unicast+0x449/0x710 [ 5806.876913][ T74] netlink_sendmsg+0x723/0xbe0 [ 5806.876913][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5806.876913][ T74] ___sys_sendmsg+0xee/0x170 [ 5806.876913][ T74] __sys_sendmsg+0xcd/0x170 [ 5806.876913][ T74] do_syscall_64+0xc6/0x1e0 [ 5806.876913][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5806.876913][ T74] [ 5806.879251][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5806.879251][ T74] netdev_get_by_index+0x5e/0x80 [ 5806.879251][ T74] fib6_nh_init+0x3d8/0x1580 [ 5806.879251][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5806.879251][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5806.879251][ T74] ipv6_add_addr+0x411/0x2000 [ 5806.879251][ T74] inet6_addr_add+0x30e/0xa40 [ 5806.879251][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5806.879251][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5806.879251][ T74] netlink_rcv_skb+0x130/0x360 [ 5806.879251][ T74] netlink_unicast+0x449/0x710 [ 5806.879251][ T74] netlink_sendmsg+0x723/0xbe0 [ 5806.879251][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5806.879251][ T74] ___sys_sendmsg+0xee/0x170 [ 5806.879251][ T74] __sys_sendmsg+0xcd/0x170 [ 5806.879251][ T74] do_syscall_64+0xc6/0x1e0 [ 5806.879251][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5806.879251][ T74] [ 5806.881501][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5806.881501][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5806.881501][ T74] ipv6_find_idev+0x102/0x170 [ 5806.881501][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5806.881501][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5806.881501][ T74] netlink_rcv_skb+0x130/0x360 [ 5806.881501][ T74] netlink_unicast+0x449/0x710 [ 5806.881501][ T74] netlink_sendmsg+0x723/0xbe0 [ 5806.881501][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5806.881501][ T74] ___sys_sendmsg+0xee/0x170 [ 5806.881501][ T74] __sys_sendmsg+0xcd/0x170 [ 5806.881501][ T74] do_syscall_64+0xc6/0x1e0 [ 5806.881501][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5806.881501][ T74] [ 5806.883230][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5806.883230][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5806.883230][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5806.883230][ T74] ipv6_find_idev+0x102/0x170 [ 5806.883230][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5806.883230][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5806.883230][ T74] netlink_rcv_skb+0x130/0x360 [ 5806.883230][ T74] netlink_unicast+0x449/0x710 [ 5806.883230][ T74] netlink_sendmsg+0x723/0xbe0 [ 5806.883230][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5806.883230][ T74] ___sys_sendmsg+0xee/0x170 [ 5806.883230][ T74] __sys_sendmsg+0xcd/0x170 [ 5806.883230][ T74] do_syscall_64+0xc6/0x1e0 [ 5806.883230][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5806.883230][ T74] [ 5817.135961][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5817.136383][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5817.136383][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5817.136383][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5817.136383][ T74] fib6_nh_init+0xa22/0x1580 [ 5817.136383][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5817.136383][ T74] ip6_route_add+0x1c/0x140 [ 5817.136383][ T74] inet6_rtm_newroute+0x104/0x110 [ 5817.136383][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5817.136383][ T74] netlink_rcv_skb+0x130/0x360 [ 5817.136383][ T74] netlink_unicast+0x449/0x710 [ 5817.136383][ T74] netlink_sendmsg+0x723/0xbe0 [ 5817.136383][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5817.136383][ T74] ___sys_sendmsg+0xee/0x170 [ 5817.136383][ T74] __sys_sendmsg+0xcd/0x170 [ 5817.136383][ T74] do_syscall_64+0xc6/0x1e0 [ 5817.136383][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5817.136383][ T74] [ 5817.138292][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5817.138292][ T74] netdev_get_by_index+0x5e/0x80 [ 5817.138292][ T74] fib6_nh_init+0x3d8/0x1580 [ 5817.138292][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5817.138292][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5817.138292][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5817.138292][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5817.138292][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5817.138292][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5817.138292][ T74] addrconf_dad_begin+0x310/0x670 [ 5817.138292][ T74] addrconf_dad_work+0x10b/0xab0 [ 5817.138292][ T74] process_one_work+0x84d/0x18a0 [ 5817.138292][ T74] worker_thread+0x587/0xd30 [ 5817.138292][ T74] kthread+0x28a/0x350 [ 5817.138292][ T74] ret_from_fork+0x31/0x70 [ 5817.138292][ T74] ret_from_fork_asm+0x1a/0x30 [ 5817.138292][ T74] [ 5817.140206][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5817.140206][ T74] netdev_get_by_index+0x5e/0x80 [ 5817.140206][ T74] fib6_nh_init+0x3d8/0x1580 [ 5817.140206][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5817.140206][ T74] ip6_route_add+0x1c/0x140 [ 5817.140206][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5817.140206][ T74] inet6_addr_add+0x4f8/0xa40 [ 5817.140206][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5817.140206][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5817.140206][ T74] netlink_rcv_skb+0x130/0x360 [ 5817.140206][ T74] netlink_unicast+0x449/0x710 [ 5817.140206][ T74] netlink_sendmsg+0x723/0xbe0 [ 5817.140206][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5817.140206][ T74] ___sys_sendmsg+0xee/0x170 [ 5817.140206][ T74] __sys_sendmsg+0xcd/0x170 [ 5817.140206][ T74] do_syscall_64+0xc6/0x1e0 [ 5817.140206][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5817.140206][ T74] [ 5817.142211][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5817.142211][ T74] netdev_get_by_index+0x5e/0x80 [ 5817.142211][ T74] fib6_nh_init+0x3d8/0x1580 [ 5817.142211][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5817.142211][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5817.142211][ T74] ipv6_add_addr+0x411/0x2000 [ 5817.142211][ T74] inet6_addr_add+0x30e/0xa40 [ 5817.142211][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5817.142211][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5817.142211][ T74] netlink_rcv_skb+0x130/0x360 [ 5817.142211][ T74] netlink_unicast+0x449/0x710 [ 5817.142211][ T74] netlink_sendmsg+0x723/0xbe0 [ 5817.142211][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5817.142211][ T74] ___sys_sendmsg+0xee/0x170 [ 5817.142211][ T74] __sys_sendmsg+0xcd/0x170 [ 5817.142211][ T74] do_syscall_64+0xc6/0x1e0 [ 5817.142211][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5817.142211][ T74] [ 5817.144204][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5817.144204][ T74] netdev_get_by_index+0x5e/0x80 [ 5817.144204][ T74] fib6_nh_init+0x3d8/0x1580 [ 5817.144204][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5817.144204][ T74] ip6_route_add+0x1c/0x140 [ 5817.144204][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5817.144204][ T74] addrconf_add_dev+0xe2/0x170 [ 5817.144204][ T74] inet6_addr_add+0x12f/0xa40 [ 5817.144204][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5817.144204][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5817.144204][ T74] netlink_rcv_skb+0x130/0x360 [ 5817.144204][ T74] netlink_unicast+0x449/0x710 [ 5817.144204][ T74] netlink_sendmsg+0x723/0xbe0 [ 5817.144204][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5817.144204][ T74] ___sys_sendmsg+0xee/0x170 [ 5817.144204][ T74] __sys_sendmsg+0xcd/0x170 [ 5817.144204][ T74] do_syscall_64+0xc6/0x1e0 [ 5817.144204][ T74] [ 5817.146169][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5817.146169][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5817.146169][ T74] ipv6_find_idev+0x102/0x170 [ 5817.146169][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5817.146169][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5817.146169][ T74] netlink_rcv_skb+0x130/0x360 [ 5817.146169][ T74] netlink_unicast+0x449/0x710 [ 5817.146169][ T74] netlink_sendmsg+0x723/0xbe0 [ 5817.146169][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5817.146169][ T74] ___sys_sendmsg+0xee/0x170 [ 5817.146169][ T74] __sys_sendmsg+0xcd/0x170 [ 5817.146169][ T74] do_syscall_64+0xc6/0x1e0 [ 5817.146169][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5817.146169][ T74] [ 5817.147704][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5817.147704][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5817.147704][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5817.147704][ T74] ipv6_find_idev+0x102/0x170 [ 5817.147704][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5817.147704][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5817.147704][ T74] netlink_rcv_skb+0x130/0x360 [ 5817.147704][ T74] netlink_unicast+0x449/0x710 [ 5817.147704][ T74] netlink_sendmsg+0x723/0xbe0 [ 5817.147704][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5817.147704][ T74] ___sys_sendmsg+0xee/0x170 [ 5817.147704][ T74] __sys_sendmsg+0xcd/0x170 [ 5817.147704][ T74] do_syscall_64+0xc6/0x1e0 [ 5817.147704][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5817.147704][ T74] [ 5817.149392][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5817.149666][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5817.149666][ T74] dst_init+0x84/0x4a0 [ 5817.149666][ T74] dst_alloc+0x97/0x150 [ 5817.149666][ T74] ip6_dst_alloc+0x23/0x90 [ 5817.149666][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5817.149666][ T74] ip6_pol_route+0x56f/0x840 [ 5817.149666][ T74] fib6_rule_lookup+0x456/0x630 [ 5817.149666][ T74] ip6_route_input+0x59c/0xa50 [ 5817.149666][ T74] ipv6_rcv+0x397/0x810 [ 5817.149666][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5817.149666][ T74] process_backlog+0x101/0x620 [ 5817.149666][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5817.149666][ T74] net_rx_action+0x495/0xbe0 [ 5817.149666][ T74] __do_softirq+0x1b5/0x7f6 [ 5817.149666][ T74] [ 5817.151309][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5817.151309][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5817.151309][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5817.151309][ T74] fib6_nh_init+0xa22/0x1580 [ 5817.151309][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5817.151309][ T74] ip6_route_add+0x1c/0x140 [ 5817.151309][ T74] inet6_rtm_newroute+0x104/0x110 [ 5817.151309][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5817.151309][ T74] netlink_rcv_skb+0x130/0x360 [ 5817.151309][ T74] netlink_unicast+0x449/0x710 [ 5817.151309][ T74] netlink_sendmsg+0x723/0xbe0 [ 5817.151309][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5817.151309][ T74] ___sys_sendmsg+0xee/0x170 [ 5817.151309][ T74] __sys_sendmsg+0xcd/0x170 [ 5817.151309][ T74] do_syscall_64+0xc6/0x1e0 [ 5817.151309][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5817.151309][ T74] [ 5817.153187][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5817.153187][ T74] netdev_get_by_index+0x5e/0x80 [ 5817.153187][ T74] fib6_nh_init+0x3d8/0x1580 [ 5817.153187][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5817.153187][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5817.153187][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5817.153187][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5817.153187][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5817.153187][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5817.153187][ T74] addrconf_dad_begin+0x310/0x670 [ 5817.153187][ T74] addrconf_dad_work+0x10b/0xab0 [ 5817.153187][ T74] process_one_work+0x84d/0x18a0 [ 5817.153187][ T74] worker_thread+0x587/0xd30 [ 5817.153187][ T74] kthread+0x28a/0x350 [ 5817.153187][ T74] ret_from_fork+0x31/0x70 [ 5817.153187][ T74] ret_from_fork_asm+0x1a/0x30 [ 5817.153187][ T74] [ 5817.155081][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5817.155081][ T74] netdev_get_by_index+0x5e/0x80 [ 5817.155081][ T74] fib6_nh_init+0x3d8/0x1580 [ 5817.155081][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5817.155081][ T74] ip6_route_add+0x1c/0x140 [ 5817.155081][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5817.155081][ T74] inet6_addr_add+0x4f8/0xa40 [ 5817.155081][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5817.155081][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5817.155081][ T74] netlink_rcv_skb+0x130/0x360 [ 5817.155081][ T74] netlink_unicast+0x449/0x710 [ 5817.155081][ T74] netlink_sendmsg+0x723/0xbe0 [ 5817.155081][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5817.155081][ T74] ___sys_sendmsg+0xee/0x170 [ 5817.155081][ T74] __sys_sendmsg+0xcd/0x170 [ 5817.155081][ T74] do_syscall_64+0xc6/0x1e0 [ 5817.155081][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5817.155081][ T74] [ 5817.157067][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5817.157067][ T74] netdev_get_by_index+0x5e/0x80 [ 5817.157067][ T74] fib6_nh_init+0x3d8/0x1580 [ 5817.157067][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5817.157067][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5817.157067][ T74] ipv6_add_addr+0x411/0x2000 [ 5817.157067][ T74] inet6_addr_add+0x30e/0xa40 [ 5817.157067][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5817.157067][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5817.157067][ T74] netlink_rcv_skb+0x130/0x360 [ 5817.157067][ T74] netlink_unicast+0x449/0x710 [ 5817.157067][ T74] netlink_sendmsg+0x723/0xbe0 [ 5817.157067][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5817.157067][ T74] ___sys_sendmsg+0xee/0x170 [ 5817.157067][ T74] __sys_sendmsg+0xcd/0x170 [ 5817.157067][ T74] do_syscall_64+0xc6/0x1e0 [ 5817.157067][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5817.157067][ T74] [ 5817.159057][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5817.159057][ T74] netdev_get_by_index+0x5e/0x80 [ 5817.159057][ T74] fib6_nh_init+0x3d8/0x1580 [ 5817.159057][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5817.159057][ T74] ip6_route_add+0x1c/0x140 [ 5817.159057][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5817.159057][ T74] addrconf_add_dev+0xe2/0x170 [ 5817.159057][ T74] inet6_addr_add+0x12f/0xa40 [ 5817.159057][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5817.159057][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5817.159057][ T74] netlink_rcv_skb+0x130/0x360 [ 5817.159057][ T74] netlink_unicast+0x449/0x710 [ 5817.159057][ T74] netlink_sendmsg+0x723/0xbe0 [ 5817.159057][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5817.159057][ T74] ___sys_sendmsg+0xee/0x170 [ 5817.159057][ T74] __sys_sendmsg+0xcd/0x170 [ 5817.159057][ T74] do_syscall_64+0xc6/0x1e0 [ 5817.159057][ T74] [ 5817.161009][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5817.161009][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5817.161009][ T74] ipv6_find_idev+0x102/0x170 [ 5817.161009][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5817.161009][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5817.161009][ T74] netlink_rcv_skb+0x130/0x360 [ 5817.161009][ T74] netlink_unicast+0x449/0x710 [ 5817.161009][ T74] netlink_sendmsg+0x723/0xbe0 [ 5817.161009][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5817.161009][ T74] ___sys_sendmsg+0xee/0x170 [ 5817.161009][ T74] __sys_sendmsg+0xcd/0x170 [ 5817.161009][ T74] do_syscall_64+0xc6/0x1e0 [ 5817.161009][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5817.161009][ T74] [ 5817.162668][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5817.162668][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5817.162668][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5817.162668][ T74] ipv6_find_idev+0x102/0x170 [ 5817.162668][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5817.162668][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5817.162668][ T74] netlink_rcv_skb+0x130/0x360 [ 5817.162668][ T74] netlink_unicast+0x449/0x710 [ 5817.162668][ T74] netlink_sendmsg+0x723/0xbe0 [ 5817.162668][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5817.162668][ T74] ___sys_sendmsg+0xee/0x170 [ 5817.162668][ T74] __sys_sendmsg+0xcd/0x170 [ 5817.162668][ T74] do_syscall_64+0xc6/0x1e0 [ 5817.162668][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5817.162668][ T74] [ 5817.164651][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5817.164908][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5817.164908][ T74] netdev_get_by_index+0x5e/0x80 [ 5817.164908][ T74] fib6_nh_init+0x3d8/0x1580 [ 5817.164908][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5817.164908][ T74] ip6_route_add+0x1c/0x140 [ 5817.164908][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5817.164908][ T74] inet6_addr_add+0x4f8/0xa40 [ 5817.164908][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5817.164908][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5817.164908][ T74] netlink_rcv_skb+0x130/0x360 [ 5817.164908][ T74] netlink_unicast+0x449/0x710 [ 5817.164908][ T74] netlink_sendmsg+0x723/0xbe0 [ 5817.164908][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5817.164908][ T74] ___sys_sendmsg+0xee/0x170 [ 5817.164908][ T74] __sys_sendmsg+0xcd/0x170 [ 5817.164908][ T74] do_syscall_64+0xc6/0x1e0 [ 5817.164908][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5817.164908][ T74] [ 5817.167143][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5817.167143][ T74] netdev_get_by_index+0x5e/0x80 [ 5817.167143][ T74] fib6_nh_init+0x3d8/0x1580 [ 5817.167143][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5817.167143][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5817.167143][ T74] ipv6_add_addr+0x411/0x2000 [ 5817.167143][ T74] inet6_addr_add+0x30e/0xa40 [ 5817.167143][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5817.167143][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5817.167143][ T74] netlink_rcv_skb+0x130/0x360 [ 5817.167143][ T74] netlink_unicast+0x449/0x710 [ 5817.167143][ T74] netlink_sendmsg+0x723/0xbe0 [ 5817.167143][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5817.167143][ T74] ___sys_sendmsg+0xee/0x170 [ 5817.167143][ T74] __sys_sendmsg+0xcd/0x170 [ 5817.167143][ T74] do_syscall_64+0xc6/0x1e0 [ 5817.167143][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5817.167143][ T74] [ 5817.169365][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5817.169365][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5817.169365][ T74] ipv6_find_idev+0x102/0x170 [ 5817.169365][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5817.169365][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5817.169365][ T74] netlink_rcv_skb+0x130/0x360 [ 5817.169365][ T74] netlink_unicast+0x449/0x710 [ 5817.169365][ T74] netlink_sendmsg+0x723/0xbe0 [ 5817.169365][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5817.169365][ T74] ___sys_sendmsg+0xee/0x170 [ 5817.169365][ T74] __sys_sendmsg+0xcd/0x170 [ 5817.169365][ T74] do_syscall_64+0xc6/0x1e0 [ 5817.169365][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5817.169365][ T74] [ 5817.171017][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5817.171017][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5817.171017][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5817.171017][ T74] ipv6_find_idev+0x102/0x170 [ 5817.171017][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5817.171017][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5817.171017][ T74] netlink_rcv_skb+0x130/0x360 [ 5817.171017][ T74] netlink_unicast+0x449/0x710 [ 5817.171017][ T74] netlink_sendmsg+0x723/0xbe0 [ 5817.171017][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5817.171017][ T74] ___sys_sendmsg+0xee/0x170 [ 5817.171017][ T74] __sys_sendmsg+0xcd/0x170 [ 5817.171017][ T74] do_syscall_64+0xc6/0x1e0 [ 5817.171017][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5817.171017][ T74] [ 5827.423980][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5827.424398][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5827.424398][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5827.424398][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5827.424398][ T74] fib6_nh_init+0xa22/0x1580 [ 5827.424398][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5827.424398][ T74] ip6_route_add+0x1c/0x140 [ 5827.424398][ T74] inet6_rtm_newroute+0x104/0x110 [ 5827.424398][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5827.424398][ T74] netlink_rcv_skb+0x130/0x360 [ 5827.424398][ T74] netlink_unicast+0x449/0x710 [ 5827.424398][ T74] netlink_sendmsg+0x723/0xbe0 [ 5827.424398][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5827.424398][ T74] ___sys_sendmsg+0xee/0x170 [ 5827.424398][ T74] __sys_sendmsg+0xcd/0x170 [ 5827.424398][ T74] do_syscall_64+0xc6/0x1e0 [ 5827.424398][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5827.424398][ T74] [ 5827.426294][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5827.426294][ T74] netdev_get_by_index+0x5e/0x80 [ 5827.426294][ T74] fib6_nh_init+0x3d8/0x1580 [ 5827.426294][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5827.426294][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5827.426294][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5827.426294][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5827.426294][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5827.426294][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5827.426294][ T74] addrconf_dad_begin+0x310/0x670 [ 5827.426294][ T74] addrconf_dad_work+0x10b/0xab0 [ 5827.426294][ T74] process_one_work+0x84d/0x18a0 [ 5827.426294][ T74] worker_thread+0x587/0xd30 [ 5827.426294][ T74] kthread+0x28a/0x350 [ 5827.426294][ T74] ret_from_fork+0x31/0x70 [ 5827.426294][ T74] ret_from_fork_asm+0x1a/0x30 [ 5827.426294][ T74] [ 5827.428209][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5827.428209][ T74] netdev_get_by_index+0x5e/0x80 [ 5827.428209][ T74] fib6_nh_init+0x3d8/0x1580 [ 5827.428209][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5827.428209][ T74] ip6_route_add+0x1c/0x140 [ 5827.428209][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5827.428209][ T74] inet6_addr_add+0x4f8/0xa40 [ 5827.428209][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5827.428209][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5827.428209][ T74] netlink_rcv_skb+0x130/0x360 [ 5827.428209][ T74] netlink_unicast+0x449/0x710 [ 5827.428209][ T74] netlink_sendmsg+0x723/0xbe0 [ 5827.428209][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5827.428209][ T74] ___sys_sendmsg+0xee/0x170 [ 5827.428209][ T74] __sys_sendmsg+0xcd/0x170 [ 5827.428209][ T74] do_syscall_64+0xc6/0x1e0 [ 5827.428209][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5827.428209][ T74] [ 5827.430202][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5827.430202][ T74] netdev_get_by_index+0x5e/0x80 [ 5827.430202][ T74] fib6_nh_init+0x3d8/0x1580 [ 5827.430202][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5827.430202][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5827.430202][ T74] ipv6_add_addr+0x411/0x2000 [ 5827.430202][ T74] inet6_addr_add+0x30e/0xa40 [ 5827.430202][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5827.430202][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5827.430202][ T74] netlink_rcv_skb+0x130/0x360 [ 5827.430202][ T74] netlink_unicast+0x449/0x710 [ 5827.430202][ T74] netlink_sendmsg+0x723/0xbe0 [ 5827.430202][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5827.430202][ T74] ___sys_sendmsg+0xee/0x170 [ 5827.430202][ T74] __sys_sendmsg+0xcd/0x170 [ 5827.430202][ T74] do_syscall_64+0xc6/0x1e0 [ 5827.430202][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5827.430202][ T74] [ 5827.432196][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5827.432196][ T74] netdev_get_by_index+0x5e/0x80 [ 5827.432196][ T74] fib6_nh_init+0x3d8/0x1580 [ 5827.432196][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5827.432196][ T74] ip6_route_add+0x1c/0x140 [ 5827.432196][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5827.432196][ T74] addrconf_add_dev+0xe2/0x170 [ 5827.432196][ T74] inet6_addr_add+0x12f/0xa40 [ 5827.432196][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5827.432196][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5827.432196][ T74] netlink_rcv_skb+0x130/0x360 [ 5827.432196][ T74] netlink_unicast+0x449/0x710 [ 5827.432196][ T74] netlink_sendmsg+0x723/0xbe0 [ 5827.432196][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5827.432196][ T74] ___sys_sendmsg+0xee/0x170 [ 5827.432196][ T74] __sys_sendmsg+0xcd/0x170 [ 5827.432196][ T74] do_syscall_64+0xc6/0x1e0 [ 5827.432196][ T74] [ 5827.434145][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5827.434145][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5827.434145][ T74] ipv6_find_idev+0x102/0x170 [ 5827.434145][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5827.434145][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5827.434145][ T74] netlink_rcv_skb+0x130/0x360 [ 5827.434145][ T74] netlink_unicast+0x449/0x710 [ 5827.434145][ T74] netlink_sendmsg+0x723/0xbe0 [ 5827.434145][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5827.434145][ T74] ___sys_sendmsg+0xee/0x170 [ 5827.434145][ T74] __sys_sendmsg+0xcd/0x170 [ 5827.434145][ T74] do_syscall_64+0xc6/0x1e0 [ 5827.434145][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5827.434145][ T74] [ 5827.435678][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5827.435678][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5827.435678][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5827.435678][ T74] ipv6_find_idev+0x102/0x170 [ 5827.435678][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5827.435678][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5827.435678][ T74] netlink_rcv_skb+0x130/0x360 [ 5827.435678][ T74] netlink_unicast+0x449/0x710 [ 5827.435678][ T74] netlink_sendmsg+0x723/0xbe0 [ 5827.435678][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5827.435678][ T74] ___sys_sendmsg+0xee/0x170 [ 5827.435678][ T74] __sys_sendmsg+0xcd/0x170 [ 5827.435678][ T74] do_syscall_64+0xc6/0x1e0 [ 5827.435678][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5827.435678][ T74] [ 5827.437371][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5827.437641][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5827.437641][ T74] dst_init+0x84/0x4a0 [ 5827.437641][ T74] dst_alloc+0x97/0x150 [ 5827.437641][ T74] ip6_dst_alloc+0x23/0x90 [ 5827.437641][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5827.437641][ T74] ip6_pol_route+0x56f/0x840 [ 5827.437641][ T74] fib6_rule_lookup+0x456/0x630 [ 5827.437641][ T74] ip6_route_input+0x59c/0xa50 [ 5827.437641][ T74] ipv6_rcv+0x397/0x810 [ 5827.437641][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5827.437641][ T74] process_backlog+0x101/0x620 [ 5827.437641][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5827.437641][ T74] net_rx_action+0x495/0xbe0 [ 5827.437641][ T74] __do_softirq+0x1b5/0x7f6 [ 5827.437641][ T74] [ 5827.439272][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5827.439272][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5827.439272][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5827.439272][ T74] fib6_nh_init+0xa22/0x1580 [ 5827.439272][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5827.439272][ T74] ip6_route_add+0x1c/0x140 [ 5827.439272][ T74] inet6_rtm_newroute+0x104/0x110 [ 5827.439272][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5827.439272][ T74] netlink_rcv_skb+0x130/0x360 [ 5827.439272][ T74] netlink_unicast+0x449/0x710 [ 5827.439272][ T74] netlink_sendmsg+0x723/0xbe0 [ 5827.439272][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5827.439272][ T74] ___sys_sendmsg+0xee/0x170 [ 5827.439272][ T74] __sys_sendmsg+0xcd/0x170 [ 5827.439272][ T74] do_syscall_64+0xc6/0x1e0 [ 5827.439272][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5827.439272][ T74] [ 5827.441137][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5827.441137][ T74] netdev_get_by_index+0x5e/0x80 [ 5827.441137][ T74] fib6_nh_init+0x3d8/0x1580 [ 5827.441137][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5827.441137][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5827.441137][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5827.441137][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5827.441137][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5827.441137][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5827.441137][ T74] addrconf_dad_begin+0x310/0x670 [ 5827.441137][ T74] addrconf_dad_work+0x10b/0xab0 [ 5827.441137][ T74] process_one_work+0x84d/0x18a0 [ 5827.441137][ T74] worker_thread+0x587/0xd30 [ 5827.441137][ T74] kthread+0x28a/0x350 [ 5827.441137][ T74] ret_from_fork+0x31/0x70 [ 5827.441137][ T74] ret_from_fork_asm+0x1a/0x30 [ 5827.441137][ T74] [ 5827.443037][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5827.443037][ T74] netdev_get_by_index+0x5e/0x80 [ 5827.443037][ T74] fib6_nh_init+0x3d8/0x1580 [ 5827.443037][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5827.443037][ T74] ip6_route_add+0x1c/0x140 [ 5827.443037][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5827.443037][ T74] inet6_addr_add+0x4f8/0xa40 [ 5827.443037][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5827.443037][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5827.443037][ T74] netlink_rcv_skb+0x130/0x360 [ 5827.443037][ T74] netlink_unicast+0x449/0x710 [ 5827.443037][ T74] netlink_sendmsg+0x723/0xbe0 [ 5827.443037][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5827.443037][ T74] ___sys_sendmsg+0xee/0x170 [ 5827.443037][ T74] __sys_sendmsg+0xcd/0x170 [ 5827.443037][ T74] do_syscall_64+0xc6/0x1e0 [ 5827.443037][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5827.443037][ T74] [ 5827.445022][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5827.445022][ T74] netdev_get_by_index+0x5e/0x80 [ 5827.445022][ T74] fib6_nh_init+0x3d8/0x1580 [ 5827.445022][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5827.445022][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5827.445022][ T74] ipv6_add_addr+0x411/0x2000 [ 5827.445022][ T74] inet6_addr_add+0x30e/0xa40 [ 5827.445022][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5827.445022][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5827.445022][ T74] netlink_rcv_skb+0x130/0x360 [ 5827.445022][ T74] netlink_unicast+0x449/0x710 [ 5827.445022][ T74] netlink_sendmsg+0x723/0xbe0 [ 5827.445022][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5827.445022][ T74] ___sys_sendmsg+0xee/0x170 [ 5827.445022][ T74] __sys_sendmsg+0xcd/0x170 [ 5827.445022][ T74] do_syscall_64+0xc6/0x1e0 [ 5827.445022][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5827.445022][ T74] [ 5827.447006][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5827.447006][ T74] netdev_get_by_index+0x5e/0x80 [ 5827.447006][ T74] fib6_nh_init+0x3d8/0x1580 [ 5827.447006][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5827.447006][ T74] ip6_route_add+0x1c/0x140 [ 5827.447006][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5827.447006][ T74] addrconf_add_dev+0xe2/0x170 [ 5827.447006][ T74] inet6_addr_add+0x12f/0xa40 [ 5827.447006][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5827.447006][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5827.447006][ T74] netlink_rcv_skb+0x130/0x360 [ 5827.447006][ T74] netlink_unicast+0x449/0x710 [ 5827.447006][ T74] netlink_sendmsg+0x723/0xbe0 [ 5827.447006][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5827.447006][ T74] ___sys_sendmsg+0xee/0x170 [ 5827.447006][ T74] __sys_sendmsg+0xcd/0x170 [ 5827.447006][ T74] do_syscall_64+0xc6/0x1e0 [ 5827.447006][ T74] [ 5827.448958][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5827.448958][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5827.448958][ T74] ipv6_find_idev+0x102/0x170 [ 5827.448958][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5827.448958][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5827.448958][ T74] netlink_rcv_skb+0x130/0x360 [ 5827.448958][ T74] netlink_unicast+0x449/0x710 [ 5827.448958][ T74] netlink_sendmsg+0x723/0xbe0 [ 5827.448958][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5827.448958][ T74] ___sys_sendmsg+0xee/0x170 [ 5827.448958][ T74] __sys_sendmsg+0xcd/0x170 [ 5827.448958][ T74] do_syscall_64+0xc6/0x1e0 [ 5827.448958][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5827.448958][ T74] [ 5827.450620][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5827.450620][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5827.450620][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5827.450620][ T74] ipv6_find_idev+0x102/0x170 [ 5827.450620][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5827.450620][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5827.450620][ T74] netlink_rcv_skb+0x130/0x360 [ 5827.450620][ T74] netlink_unicast+0x449/0x710 [ 5827.450620][ T74] netlink_sendmsg+0x723/0xbe0 [ 5827.450620][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5827.450620][ T74] ___sys_sendmsg+0xee/0x170 [ 5827.450620][ T74] __sys_sendmsg+0xcd/0x170 [ 5827.450620][ T74] do_syscall_64+0xc6/0x1e0 [ 5827.450620][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5827.450620][ T74] [ 5827.452606][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5827.452846][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5827.452846][ T74] netdev_get_by_index+0x5e/0x80 [ 5827.452846][ T74] fib6_nh_init+0x3d8/0x1580 [ 5827.452846][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5827.452846][ T74] ip6_route_add+0x1c/0x140 [ 5827.452846][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5827.452846][ T74] inet6_addr_add+0x4f8/0xa40 [ 5827.452846][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5827.452846][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5827.452846][ T74] netlink_rcv_skb+0x130/0x360 [ 5827.452846][ T74] netlink_unicast+0x449/0x710 [ 5827.452846][ T74] netlink_sendmsg+0x723/0xbe0 [ 5827.452846][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5827.452846][ T74] ___sys_sendmsg+0xee/0x170 [ 5827.452846][ T74] __sys_sendmsg+0xcd/0x170 [ 5827.452846][ T74] do_syscall_64+0xc6/0x1e0 [ 5827.452846][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5827.452846][ T74] [ 5827.455077][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5827.455077][ T74] netdev_get_by_index+0x5e/0x80 [ 5827.455077][ T74] fib6_nh_init+0x3d8/0x1580 [ 5827.455077][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5827.455077][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5827.455077][ T74] ipv6_add_addr+0x411/0x2000 [ 5827.455077][ T74] inet6_addr_add+0x30e/0xa40 [ 5827.455077][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5827.455077][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5827.455077][ T74] netlink_rcv_skb+0x130/0x360 [ 5827.455077][ T74] netlink_unicast+0x449/0x710 [ 5827.455077][ T74] netlink_sendmsg+0x723/0xbe0 [ 5827.455077][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5827.455077][ T74] ___sys_sendmsg+0xee/0x170 [ 5827.455077][ T74] __sys_sendmsg+0xcd/0x170 [ 5827.455077][ T74] do_syscall_64+0xc6/0x1e0 [ 5827.455077][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5827.455077][ T74] [ 5827.457310][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5827.457310][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5827.457310][ T74] ipv6_find_idev+0x102/0x170 [ 5827.457310][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5827.457310][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5827.457310][ T74] netlink_rcv_skb+0x130/0x360 [ 5827.457310][ T74] netlink_unicast+0x449/0x710 [ 5827.457310][ T74] netlink_sendmsg+0x723/0xbe0 [ 5827.457310][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5827.457310][ T74] ___sys_sendmsg+0xee/0x170 [ 5827.457310][ T74] __sys_sendmsg+0xcd/0x170 [ 5827.457310][ T74] do_syscall_64+0xc6/0x1e0 [ 5827.457310][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5827.457310][ T74] [ 5827.458900][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5827.458900][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5827.458900][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5827.458900][ T74] ipv6_find_idev+0x102/0x170 [ 5827.458900][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5827.458900][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5827.458900][ T74] netlink_rcv_skb+0x130/0x360 [ 5827.458900][ T74] netlink_unicast+0x449/0x710 [ 5827.458900][ T74] netlink_sendmsg+0x723/0xbe0 [ 5827.458900][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5827.458900][ T74] ___sys_sendmsg+0xee/0x170 [ 5827.458900][ T74] __sys_sendmsg+0xcd/0x170 [ 5827.458900][ T74] do_syscall_64+0xc6/0x1e0 [ 5827.458900][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5827.458900][ T74] [ 5837.711897][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5837.712263][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5837.712263][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5837.712263][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5837.712263][ T74] fib6_nh_init+0xa22/0x1580 [ 5837.712263][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5837.712263][ T74] ip6_route_add+0x1c/0x140 [ 5837.712263][ T74] inet6_rtm_newroute+0x104/0x110 [ 5837.712263][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5837.712263][ T74] netlink_rcv_skb+0x130/0x360 [ 5837.712263][ T74] netlink_unicast+0x449/0x710 [ 5837.712263][ T74] netlink_sendmsg+0x723/0xbe0 [ 5837.712263][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5837.712263][ T74] ___sys_sendmsg+0xee/0x170 [ 5837.712263][ T74] __sys_sendmsg+0xcd/0x170 [ 5837.712263][ T74] do_syscall_64+0xc6/0x1e0 [ 5837.712263][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5837.712263][ T74] [ 5837.714177][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5837.714177][ T74] netdev_get_by_index+0x5e/0x80 [ 5837.714177][ T74] fib6_nh_init+0x3d8/0x1580 [ 5837.714177][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5837.714177][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5837.714177][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5837.714177][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5837.714177][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5837.714177][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5837.714177][ T74] addrconf_dad_begin+0x310/0x670 [ 5837.714177][ T74] addrconf_dad_work+0x10b/0xab0 [ 5837.714177][ T74] process_one_work+0x84d/0x18a0 [ 5837.714177][ T74] worker_thread+0x587/0xd30 [ 5837.714177][ T74] kthread+0x28a/0x350 [ 5837.714177][ T74] ret_from_fork+0x31/0x70 [ 5837.714177][ T74] ret_from_fork_asm+0x1a/0x30 [ 5837.714177][ T74] [ 5837.716084][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5837.716084][ T74] netdev_get_by_index+0x5e/0x80 [ 5837.716084][ T74] fib6_nh_init+0x3d8/0x1580 [ 5837.716084][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5837.716084][ T74] ip6_route_add+0x1c/0x140 [ 5837.716084][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5837.716084][ T74] inet6_addr_add+0x4f8/0xa40 [ 5837.716084][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5837.716084][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5837.716084][ T74] netlink_rcv_skb+0x130/0x360 [ 5837.716084][ T74] netlink_unicast+0x449/0x710 [ 5837.716084][ T74] netlink_sendmsg+0x723/0xbe0 [ 5837.716084][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5837.716084][ T74] ___sys_sendmsg+0xee/0x170 [ 5837.716084][ T74] __sys_sendmsg+0xcd/0x170 [ 5837.716084][ T74] do_syscall_64+0xc6/0x1e0 [ 5837.716084][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5837.716084][ T74] [ 5837.718080][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5837.718080][ T74] netdev_get_by_index+0x5e/0x80 [ 5837.718080][ T74] fib6_nh_init+0x3d8/0x1580 [ 5837.718080][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5837.718080][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5837.718080][ T74] ipv6_add_addr+0x411/0x2000 [ 5837.718080][ T74] inet6_addr_add+0x30e/0xa40 [ 5837.718080][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5837.718080][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5837.718080][ T74] netlink_rcv_skb+0x130/0x360 [ 5837.718080][ T74] netlink_unicast+0x449/0x710 [ 5837.718080][ T74] netlink_sendmsg+0x723/0xbe0 [ 5837.718080][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5837.718080][ T74] ___sys_sendmsg+0xee/0x170 [ 5837.718080][ T74] __sys_sendmsg+0xcd/0x170 [ 5837.718080][ T74] do_syscall_64+0xc6/0x1e0 [ 5837.718080][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5837.718080][ T74] [ 5837.720066][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5837.720066][ T74] netdev_get_by_index+0x5e/0x80 [ 5837.720066][ T74] fib6_nh_init+0x3d8/0x1580 [ 5837.720066][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5837.720066][ T74] ip6_route_add+0x1c/0x140 [ 5837.720066][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5837.720066][ T74] addrconf_add_dev+0xe2/0x170 [ 5837.720066][ T74] inet6_addr_add+0x12f/0xa40 [ 5837.720066][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5837.720066][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5837.720066][ T74] netlink_rcv_skb+0x130/0x360 [ 5837.720066][ T74] netlink_unicast+0x449/0x710 [ 5837.720066][ T74] netlink_sendmsg+0x723/0xbe0 [ 5837.720066][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5837.720066][ T74] ___sys_sendmsg+0xee/0x170 [ 5837.720066][ T74] __sys_sendmsg+0xcd/0x170 [ 5837.720066][ T74] do_syscall_64+0xc6/0x1e0 [ 5837.720066][ T74] [ 5837.722041][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5837.722041][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5837.722041][ T74] ipv6_find_idev+0x102/0x170 [ 5837.722041][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5837.722041][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5837.722041][ T74] netlink_rcv_skb+0x130/0x360 [ 5837.722041][ T74] netlink_unicast+0x449/0x710 [ 5837.722041][ T74] netlink_sendmsg+0x723/0xbe0 [ 5837.722041][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5837.722041][ T74] ___sys_sendmsg+0xee/0x170 [ 5837.722041][ T74] __sys_sendmsg+0xcd/0x170 [ 5837.722041][ T74] do_syscall_64+0xc6/0x1e0 [ 5837.722041][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5837.722041][ T74] [ 5837.723581][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5837.723581][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5837.723581][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5837.723581][ T74] ipv6_find_idev+0x102/0x170 [ 5837.723581][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5837.723581][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5837.723581][ T74] netlink_rcv_skb+0x130/0x360 [ 5837.723581][ T74] netlink_unicast+0x449/0x710 [ 5837.723581][ T74] netlink_sendmsg+0x723/0xbe0 [ 5837.723581][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5837.723581][ T74] ___sys_sendmsg+0xee/0x170 [ 5837.723581][ T74] __sys_sendmsg+0xcd/0x170 [ 5837.723581][ T74] do_syscall_64+0xc6/0x1e0 [ 5837.723581][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5837.723581][ T74] [ 5837.725262][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5837.725535][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5837.725535][ T74] dst_init+0x84/0x4a0 [ 5837.725535][ T74] dst_alloc+0x97/0x150 [ 5837.725535][ T74] ip6_dst_alloc+0x23/0x90 [ 5837.725535][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5837.725535][ T74] ip6_pol_route+0x56f/0x840 [ 5837.725535][ T74] fib6_rule_lookup+0x456/0x630 [ 5837.725535][ T74] ip6_route_input+0x59c/0xa50 [ 5837.725535][ T74] ipv6_rcv+0x397/0x810 [ 5837.725535][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5837.725535][ T74] process_backlog+0x101/0x620 [ 5837.725535][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5837.725535][ T74] net_rx_action+0x495/0xbe0 [ 5837.725535][ T74] __do_softirq+0x1b5/0x7f6 [ 5837.725535][ T74] [ 5837.727164][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5837.727164][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5837.727164][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5837.727164][ T74] fib6_nh_init+0xa22/0x1580 [ 5837.727164][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5837.727164][ T74] ip6_route_add+0x1c/0x140 [ 5837.727164][ T74] inet6_rtm_newroute+0x104/0x110 [ 5837.727164][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5837.727164][ T74] netlink_rcv_skb+0x130/0x360 [ 5837.727164][ T74] netlink_unicast+0x449/0x710 [ 5837.727164][ T74] netlink_sendmsg+0x723/0xbe0 [ 5837.727164][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5837.727164][ T74] ___sys_sendmsg+0xee/0x170 [ 5837.727164][ T74] __sys_sendmsg+0xcd/0x170 [ 5837.727164][ T74] do_syscall_64+0xc6/0x1e0 [ 5837.727164][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5837.727164][ T74] [ 5837.729024][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5837.729024][ T74] netdev_get_by_index+0x5e/0x80 [ 5837.729024][ T74] fib6_nh_init+0x3d8/0x1580 [ 5837.729024][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5837.729024][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5837.729024][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5837.729024][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5837.729024][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5837.729024][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5837.729024][ T74] addrconf_dad_begin+0x310/0x670 [ 5837.729024][ T74] addrconf_dad_work+0x10b/0xab0 [ 5837.729024][ T74] process_one_work+0x84d/0x18a0 [ 5837.729024][ T74] worker_thread+0x587/0xd30 [ 5837.729024][ T74] kthread+0x28a/0x350 [ 5837.729024][ T74] ret_from_fork+0x31/0x70 [ 5837.729024][ T74] ret_from_fork_asm+0x1a/0x30 [ 5837.729024][ T74] [ 5837.730924][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5837.730924][ T74] netdev_get_by_index+0x5e/0x80 [ 5837.730924][ T74] fib6_nh_init+0x3d8/0x1580 [ 5837.730924][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5837.730924][ T74] ip6_route_add+0x1c/0x140 [ 5837.730924][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5837.730924][ T74] inet6_addr_add+0x4f8/0xa40 [ 5837.730924][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5837.730924][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5837.730924][ T74] netlink_rcv_skb+0x130/0x360 [ 5837.730924][ T74] netlink_unicast+0x449/0x710 [ 5837.730924][ T74] netlink_sendmsg+0x723/0xbe0 [ 5837.730924][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5837.730924][ T74] ___sys_sendmsg+0xee/0x170 [ 5837.730924][ T74] __sys_sendmsg+0xcd/0x170 [ 5837.730924][ T74] do_syscall_64+0xc6/0x1e0 [ 5837.730924][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5837.730924][ T74] [ 5837.732909][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5837.732909][ T74] netdev_get_by_index+0x5e/0x80 [ 5837.732909][ T74] fib6_nh_init+0x3d8/0x1580 [ 5837.732909][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5837.732909][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5837.732909][ T74] ipv6_add_addr+0x411/0x2000 [ 5837.732909][ T74] inet6_addr_add+0x30e/0xa40 [ 5837.732909][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5837.732909][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5837.732909][ T74] netlink_rcv_skb+0x130/0x360 [ 5837.732909][ T74] netlink_unicast+0x449/0x710 [ 5837.732909][ T74] netlink_sendmsg+0x723/0xbe0 [ 5837.732909][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5837.732909][ T74] ___sys_sendmsg+0xee/0x170 [ 5837.732909][ T74] __sys_sendmsg+0xcd/0x170 [ 5837.732909][ T74] do_syscall_64+0xc6/0x1e0 [ 5837.732909][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5837.732909][ T74] [ 5837.734892][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5837.734892][ T74] netdev_get_by_index+0x5e/0x80 [ 5837.734892][ T74] fib6_nh_init+0x3d8/0x1580 [ 5837.734892][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5837.734892][ T74] ip6_route_add+0x1c/0x140 [ 5837.734892][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5837.734892][ T74] addrconf_add_dev+0xe2/0x170 [ 5837.734892][ T74] inet6_addr_add+0x12f/0xa40 [ 5837.734892][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5837.734892][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5837.734892][ T74] netlink_rcv_skb+0x130/0x360 [ 5837.734892][ T74] netlink_unicast+0x449/0x710 [ 5837.734892][ T74] netlink_sendmsg+0x723/0xbe0 [ 5837.734892][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5837.734892][ T74] ___sys_sendmsg+0xee/0x170 [ 5837.734892][ T74] __sys_sendmsg+0xcd/0x170 [ 5837.734892][ T74] do_syscall_64+0xc6/0x1e0 [ 5837.734892][ T74] [ 5837.736841][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5837.736841][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5837.736841][ T74] ipv6_find_idev+0x102/0x170 [ 5837.736841][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5837.736841][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5837.736841][ T74] netlink_rcv_skb+0x130/0x360 [ 5837.736841][ T74] netlink_unicast+0x449/0x710 [ 5837.736841][ T74] netlink_sendmsg+0x723/0xbe0 [ 5837.736841][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5837.736841][ T74] ___sys_sendmsg+0xee/0x170 [ 5837.736841][ T74] __sys_sendmsg+0xcd/0x170 [ 5837.736841][ T74] do_syscall_64+0xc6/0x1e0 [ 5837.736841][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5837.736841][ T74] [ 5837.738476][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5837.738476][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5837.738476][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5837.738476][ T74] ipv6_find_idev+0x102/0x170 [ 5837.738476][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5837.738476][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5837.738476][ T74] netlink_rcv_skb+0x130/0x360 [ 5837.738476][ T74] netlink_unicast+0x449/0x710 [ 5837.738476][ T74] netlink_sendmsg+0x723/0xbe0 [ 5837.738476][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5837.738476][ T74] ___sys_sendmsg+0xee/0x170 [ 5837.738476][ T74] __sys_sendmsg+0xcd/0x170 [ 5837.738476][ T74] do_syscall_64+0xc6/0x1e0 [ 5837.738476][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5837.738476][ T74] [ 5837.740334][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5837.740568][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5837.740568][ T74] netdev_get_by_index+0x5e/0x80 [ 5837.740568][ T74] fib6_nh_init+0x3d8/0x1580 [ 5837.740568][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5837.740568][ T74] ip6_route_add+0x1c/0x140 [ 5837.740568][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5837.740568][ T74] inet6_addr_add+0x4f8/0xa40 [ 5837.740568][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5837.740568][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5837.740568][ T74] netlink_rcv_skb+0x130/0x360 [ 5837.740568][ T74] netlink_unicast+0x449/0x710 [ 5837.740568][ T74] netlink_sendmsg+0x723/0xbe0 [ 5837.740568][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5837.740568][ T74] ___sys_sendmsg+0xee/0x170 [ 5837.740568][ T74] __sys_sendmsg+0xcd/0x170 [ 5837.740568][ T74] do_syscall_64+0xc6/0x1e0 [ 5837.740568][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5837.740568][ T74] [ 5837.742697][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5837.742697][ T74] netdev_get_by_index+0x5e/0x80 [ 5837.742697][ T74] fib6_nh_init+0x3d8/0x1580 [ 5837.742697][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5837.742697][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5837.742697][ T74] ipv6_add_addr+0x411/0x2000 [ 5837.742697][ T74] inet6_addr_add+0x30e/0xa40 [ 5837.742697][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5837.742697][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5837.742697][ T74] netlink_rcv_skb+0x130/0x360 [ 5837.742697][ T74] netlink_unicast+0x449/0x710 [ 5837.742697][ T74] netlink_sendmsg+0x723/0xbe0 [ 5837.742697][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5837.742697][ T74] ___sys_sendmsg+0xee/0x170 [ 5837.742697][ T74] __sys_sendmsg+0xcd/0x170 [ 5837.742697][ T74] do_syscall_64+0xc6/0x1e0 [ 5837.742697][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5837.742697][ T74] [ 5837.744834][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5837.744834][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5837.744834][ T74] ipv6_find_idev+0x102/0x170 [ 5837.744834][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5837.744834][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5837.744834][ T74] netlink_rcv_skb+0x130/0x360 [ 5837.744834][ T74] netlink_unicast+0x449/0x710 [ 5837.744834][ T74] netlink_sendmsg+0x723/0xbe0 [ 5837.744834][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5837.744834][ T74] ___sys_sendmsg+0xee/0x170 [ 5837.744834][ T74] __sys_sendmsg+0xcd/0x170 [ 5837.744834][ T74] do_syscall_64+0xc6/0x1e0 [ 5837.744834][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5837.744834][ T74] [ 5837.746428][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5837.746428][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5837.746428][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5837.746428][ T74] ipv6_find_idev+0x102/0x170 [ 5837.746428][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5837.746428][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5837.746428][ T74] netlink_rcv_skb+0x130/0x360 [ 5837.746428][ T74] netlink_unicast+0x449/0x710 [ 5837.746428][ T74] netlink_sendmsg+0x723/0xbe0 [ 5837.746428][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5837.746428][ T74] ___sys_sendmsg+0xee/0x170 [ 5837.746428][ T74] __sys_sendmsg+0xcd/0x170 [ 5837.746428][ T74] do_syscall_64+0xc6/0x1e0 [ 5837.746428][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5837.746428][ T74] [ 5847.999957][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5848.000417][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5848.000417][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5848.000417][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5848.000417][ T74] fib6_nh_init+0xa22/0x1580 [ 5848.000417][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5848.000417][ T74] ip6_route_add+0x1c/0x140 [ 5848.000417][ T74] inet6_rtm_newroute+0x104/0x110 [ 5848.000417][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5848.000417][ T74] netlink_rcv_skb+0x130/0x360 [ 5848.000417][ T74] netlink_unicast+0x449/0x710 [ 5848.000417][ T74] netlink_sendmsg+0x723/0xbe0 [ 5848.000417][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5848.000417][ T74] ___sys_sendmsg+0xee/0x170 [ 5848.000417][ T74] __sys_sendmsg+0xcd/0x170 [ 5848.000417][ T74] do_syscall_64+0xc6/0x1e0 [ 5848.000417][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5848.000417][ T74] [ 5848.002349][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5848.002349][ T74] netdev_get_by_index+0x5e/0x80 [ 5848.002349][ T74] fib6_nh_init+0x3d8/0x1580 [ 5848.002349][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5848.002349][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5848.002349][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5848.002349][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5848.002349][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5848.002349][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5848.002349][ T74] addrconf_dad_begin+0x310/0x670 [ 5848.002349][ T74] addrconf_dad_work+0x10b/0xab0 [ 5848.002349][ T74] process_one_work+0x84d/0x18a0 [ 5848.002349][ T74] worker_thread+0x587/0xd30 [ 5848.002349][ T74] kthread+0x28a/0x350 [ 5848.002349][ T74] ret_from_fork+0x31/0x70 [ 5848.002349][ T74] ret_from_fork_asm+0x1a/0x30 [ 5848.002349][ T74] [ 5848.004285][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5848.004285][ T74] netdev_get_by_index+0x5e/0x80 [ 5848.004285][ T74] fib6_nh_init+0x3d8/0x1580 [ 5848.004285][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5848.004285][ T74] ip6_route_add+0x1c/0x140 [ 5848.004285][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5848.004285][ T74] inet6_addr_add+0x4f8/0xa40 [ 5848.004285][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5848.004285][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5848.004285][ T74] netlink_rcv_skb+0x130/0x360 [ 5848.004285][ T74] netlink_unicast+0x449/0x710 [ 5848.004285][ T74] netlink_sendmsg+0x723/0xbe0 [ 5848.004285][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5848.004285][ T74] ___sys_sendmsg+0xee/0x170 [ 5848.004285][ T74] __sys_sendmsg+0xcd/0x170 [ 5848.004285][ T74] do_syscall_64+0xc6/0x1e0 [ 5848.004285][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5848.004285][ T74] [ 5848.006298][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5848.006298][ T74] netdev_get_by_index+0x5e/0x80 [ 5848.006298][ T74] fib6_nh_init+0x3d8/0x1580 [ 5848.006298][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5848.006298][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5848.006298][ T74] ipv6_add_addr+0x411/0x2000 [ 5848.006298][ T74] inet6_addr_add+0x30e/0xa40 [ 5848.006298][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5848.006298][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5848.006298][ T74] netlink_rcv_skb+0x130/0x360 [ 5848.006298][ T74] netlink_unicast+0x449/0x710 [ 5848.006298][ T74] netlink_sendmsg+0x723/0xbe0 [ 5848.006298][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5848.006298][ T74] ___sys_sendmsg+0xee/0x170 [ 5848.006298][ T74] __sys_sendmsg+0xcd/0x170 [ 5848.006298][ T74] do_syscall_64+0xc6/0x1e0 [ 5848.006298][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5848.006298][ T74] [ 5848.008318][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5848.008318][ T74] netdev_get_by_index+0x5e/0x80 [ 5848.008318][ T74] fib6_nh_init+0x3d8/0x1580 [ 5848.008318][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5848.008318][ T74] ip6_route_add+0x1c/0x140 [ 5848.008318][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5848.008318][ T74] addrconf_add_dev+0xe2/0x170 [ 5848.008318][ T74] inet6_addr_add+0x12f/0xa40 [ 5848.008318][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5848.008318][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5848.008318][ T74] netlink_rcv_skb+0x130/0x360 [ 5848.008318][ T74] netlink_unicast+0x449/0x710 [ 5848.008318][ T74] netlink_sendmsg+0x723/0xbe0 [ 5848.008318][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5848.008318][ T74] ___sys_sendmsg+0xee/0x170 [ 5848.008318][ T74] __sys_sendmsg+0xcd/0x170 [ 5848.008318][ T74] do_syscall_64+0xc6/0x1e0 [ 5848.008318][ T74] [ 5848.010307][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5848.010307][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5848.010307][ T74] ipv6_find_idev+0x102/0x170 [ 5848.010307][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5848.010307][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5848.010307][ T74] netlink_rcv_skb+0x130/0x360 [ 5848.010307][ T74] netlink_unicast+0x449/0x710 [ 5848.010307][ T74] netlink_sendmsg+0x723/0xbe0 [ 5848.010307][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5848.010307][ T74] ___sys_sendmsg+0xee/0x170 [ 5848.010307][ T74] __sys_sendmsg+0xcd/0x170 [ 5848.010307][ T74] do_syscall_64+0xc6/0x1e0 [ 5848.010307][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5848.010307][ T74] [ 5848.011870][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5848.011870][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5848.011870][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5848.011870][ T74] ipv6_find_idev+0x102/0x170 [ 5848.011870][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5848.011870][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5848.011870][ T74] netlink_rcv_skb+0x130/0x360 [ 5848.011870][ T74] netlink_unicast+0x449/0x710 [ 5848.011870][ T74] netlink_sendmsg+0x723/0xbe0 [ 5848.011870][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5848.011870][ T74] ___sys_sendmsg+0xee/0x170 [ 5848.011870][ T74] __sys_sendmsg+0xcd/0x170 [ 5848.011870][ T74] do_syscall_64+0xc6/0x1e0 [ 5848.011870][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5848.011870][ T74] [ 5848.013588][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5848.013880][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5848.013880][ T74] dst_init+0x84/0x4a0 [ 5848.013880][ T74] dst_alloc+0x97/0x150 [ 5848.013880][ T74] ip6_dst_alloc+0x23/0x90 [ 5848.013880][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5848.013880][ T74] ip6_pol_route+0x56f/0x840 [ 5848.013880][ T74] fib6_rule_lookup+0x456/0x630 [ 5848.013880][ T74] ip6_route_input+0x59c/0xa50 [ 5848.013880][ T74] ipv6_rcv+0x397/0x810 [ 5848.013880][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5848.013880][ T74] process_backlog+0x101/0x620 [ 5848.013880][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5848.013880][ T74] net_rx_action+0x495/0xbe0 [ 5848.013880][ T74] __do_softirq+0x1b5/0x7f6 [ 5848.013880][ T74] [ 5848.015527][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5848.015527][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5848.015527][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5848.015527][ T74] fib6_nh_init+0xa22/0x1580 [ 5848.015527][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5848.015527][ T74] ip6_route_add+0x1c/0x140 [ 5848.015527][ T74] inet6_rtm_newroute+0x104/0x110 [ 5848.015527][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5848.015527][ T74] netlink_rcv_skb+0x130/0x360 [ 5848.015527][ T74] netlink_unicast+0x449/0x710 [ 5848.015527][ T74] netlink_sendmsg+0x723/0xbe0 [ 5848.015527][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5848.015527][ T74] ___sys_sendmsg+0xee/0x170 [ 5848.015527][ T74] __sys_sendmsg+0xcd/0x170 [ 5848.015527][ T74] do_syscall_64+0xc6/0x1e0 [ 5848.015527][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5848.015527][ T74] [ 5848.017415][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5848.017415][ T74] netdev_get_by_index+0x5e/0x80 [ 5848.017415][ T74] fib6_nh_init+0x3d8/0x1580 [ 5848.017415][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5848.017415][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5848.017415][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5848.017415][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5848.017415][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5848.017415][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5848.017415][ T74] addrconf_dad_begin+0x310/0x670 [ 5848.017415][ T74] addrconf_dad_work+0x10b/0xab0 [ 5848.017415][ T74] process_one_work+0x84d/0x18a0 [ 5848.017415][ T74] worker_thread+0x587/0xd30 [ 5848.017415][ T74] kthread+0x28a/0x350 [ 5848.017415][ T74] ret_from_fork+0x31/0x70 [ 5848.017415][ T74] ret_from_fork_asm+0x1a/0x30 [ 5848.017415][ T74] [ 5848.019348][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5848.019348][ T74] netdev_get_by_index+0x5e/0x80 [ 5848.019348][ T74] fib6_nh_init+0x3d8/0x1580 [ 5848.019348][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5848.019348][ T74] ip6_route_add+0x1c/0x140 [ 5848.019348][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5848.019348][ T74] inet6_addr_add+0x4f8/0xa40 [ 5848.019348][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5848.019348][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5848.019348][ T74] netlink_rcv_skb+0x130/0x360 [ 5848.019348][ T74] netlink_unicast+0x449/0x710 [ 5848.019348][ T74] netlink_sendmsg+0x723/0xbe0 [ 5848.019348][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5848.019348][ T74] ___sys_sendmsg+0xee/0x170 [ 5848.019348][ T74] __sys_sendmsg+0xcd/0x170 [ 5848.019348][ T74] do_syscall_64+0xc6/0x1e0 [ 5848.019348][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5848.019348][ T74] [ 5848.021360][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5848.021360][ T74] netdev_get_by_index+0x5e/0x80 [ 5848.021360][ T74] fib6_nh_init+0x3d8/0x1580 [ 5848.021360][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5848.021360][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5848.021360][ T74] ipv6_add_addr+0x411/0x2000 [ 5848.021360][ T74] inet6_addr_add+0x30e/0xa40 [ 5848.021360][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5848.021360][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5848.021360][ T74] netlink_rcv_skb+0x130/0x360 [ 5848.021360][ T74] netlink_unicast+0x449/0x710 [ 5848.021360][ T74] netlink_sendmsg+0x723/0xbe0 [ 5848.021360][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5848.021360][ T74] ___sys_sendmsg+0xee/0x170 [ 5848.021360][ T74] __sys_sendmsg+0xcd/0x170 [ 5848.021360][ T74] do_syscall_64+0xc6/0x1e0 [ 5848.021360][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5848.021360][ T74] [ 5848.023381][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5848.023381][ T74] netdev_get_by_index+0x5e/0x80 [ 5848.023381][ T74] fib6_nh_init+0x3d8/0x1580 [ 5848.023381][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5848.023381][ T74] ip6_route_add+0x1c/0x140 [ 5848.023381][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5848.023381][ T74] addrconf_add_dev+0xe2/0x170 [ 5848.023381][ T74] inet6_addr_add+0x12f/0xa40 [ 5848.023381][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5848.023381][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5848.023381][ T74] netlink_rcv_skb+0x130/0x360 [ 5848.023381][ T74] netlink_unicast+0x449/0x710 [ 5848.023381][ T74] netlink_sendmsg+0x723/0xbe0 [ 5848.023381][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5848.023381][ T74] ___sys_sendmsg+0xee/0x170 [ 5848.023381][ T74] __sys_sendmsg+0xcd/0x170 [ 5848.023381][ T74] do_syscall_64+0xc6/0x1e0 [ 5848.023381][ T74] [ 5848.025355][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5848.025355][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5848.025355][ T74] ipv6_find_idev+0x102/0x170 [ 5848.025355][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5848.025355][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5848.025355][ T74] netlink_rcv_skb+0x130/0x360 [ 5848.025355][ T74] netlink_unicast+0x449/0x710 [ 5848.025355][ T74] netlink_sendmsg+0x723/0xbe0 [ 5848.025355][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5848.025355][ T74] ___sys_sendmsg+0xee/0x170 [ 5848.025355][ T74] __sys_sendmsg+0xcd/0x170 [ 5848.025355][ T74] do_syscall_64+0xc6/0x1e0 [ 5848.025355][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5848.025355][ T74] [ 5848.027087][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5848.027087][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5848.027087][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5848.027087][ T74] ipv6_find_idev+0x102/0x170 [ 5848.027087][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5848.027087][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5848.027087][ T74] netlink_rcv_skb+0x130/0x360 [ 5848.027087][ T74] netlink_unicast+0x449/0x710 [ 5848.027087][ T74] netlink_sendmsg+0x723/0xbe0 [ 5848.027087][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5848.027087][ T74] ___sys_sendmsg+0xee/0x170 [ 5848.027087][ T74] __sys_sendmsg+0xcd/0x170 [ 5848.027087][ T74] do_syscall_64+0xc6/0x1e0 [ 5848.027087][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5848.027087][ T74] [ 5848.028971][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5848.029274][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5848.029274][ T74] netdev_get_by_index+0x5e/0x80 [ 5848.029274][ T74] fib6_nh_init+0x3d8/0x1580 [ 5848.029274][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5848.029274][ T74] ip6_route_add+0x1c/0x140 [ 5848.029274][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5848.029274][ T74] inet6_addr_add+0x4f8/0xa40 [ 5848.029274][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5848.029274][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5848.029274][ T74] netlink_rcv_skb+0x130/0x360 [ 5848.029274][ T74] netlink_unicast+0x449/0x710 [ 5848.029274][ T74] netlink_sendmsg+0x723/0xbe0 [ 5848.029274][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5848.029274][ T74] ___sys_sendmsg+0xee/0x170 [ 5848.029274][ T74] __sys_sendmsg+0xcd/0x170 [ 5848.029274][ T74] do_syscall_64+0xc6/0x1e0 [ 5848.029274][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5848.029274][ T74] [ 5848.031538][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5848.031538][ T74] netdev_get_by_index+0x5e/0x80 [ 5848.031538][ T74] fib6_nh_init+0x3d8/0x1580 [ 5848.031538][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5848.031538][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5848.031538][ T74] ipv6_add_addr+0x411/0x2000 [ 5848.031538][ T74] inet6_addr_add+0x30e/0xa40 [ 5848.031538][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5848.031538][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5848.031538][ T74] netlink_rcv_skb+0x130/0x360 [ 5848.031538][ T74] netlink_unicast+0x449/0x710 [ 5848.031538][ T74] netlink_sendmsg+0x723/0xbe0 [ 5848.031538][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5848.031538][ T74] ___sys_sendmsg+0xee/0x170 [ 5848.031538][ T74] __sys_sendmsg+0xcd/0x170 [ 5848.031538][ T74] do_syscall_64+0xc6/0x1e0 [ 5848.031538][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5848.031538][ T74] [ 5848.033781][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5848.033781][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5848.033781][ T74] ipv6_find_idev+0x102/0x170 [ 5848.033781][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5848.033781][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5848.033781][ T74] netlink_rcv_skb+0x130/0x360 [ 5848.033781][ T74] netlink_unicast+0x449/0x710 [ 5848.033781][ T74] netlink_sendmsg+0x723/0xbe0 [ 5848.033781][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5848.033781][ T74] ___sys_sendmsg+0xee/0x170 [ 5848.033781][ T74] __sys_sendmsg+0xcd/0x170 [ 5848.033781][ T74] do_syscall_64+0xc6/0x1e0 [ 5848.033781][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5848.033781][ T74] [ 5848.035519][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5848.035519][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5848.035519][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5848.035519][ T74] ipv6_find_idev+0x102/0x170 [ 5848.035519][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5848.035519][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5848.035519][ T74] netlink_rcv_skb+0x130/0x360 [ 5848.035519][ T74] netlink_unicast+0x449/0x710 [ 5848.035519][ T74] netlink_sendmsg+0x723/0xbe0 [ 5848.035519][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5848.035519][ T74] ___sys_sendmsg+0xee/0x170 [ 5848.035519][ T74] __sys_sendmsg+0xcd/0x170 [ 5848.035519][ T74] do_syscall_64+0xc6/0x1e0 [ 5848.035519][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5848.035519][ T74] [ 5858.287962][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5858.288405][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5858.288405][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5858.288405][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5858.288405][ T74] fib6_nh_init+0xa22/0x1580 [ 5858.288405][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5858.288405][ T74] ip6_route_add+0x1c/0x140 [ 5858.288405][ T74] inet6_rtm_newroute+0x104/0x110 [ 5858.288405][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5858.288405][ T74] netlink_rcv_skb+0x130/0x360 [ 5858.288405][ T74] netlink_unicast+0x449/0x710 [ 5858.288405][ T74] netlink_sendmsg+0x723/0xbe0 [ 5858.288405][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5858.288405][ T74] ___sys_sendmsg+0xee/0x170 [ 5858.288405][ T74] __sys_sendmsg+0xcd/0x170 [ 5858.288405][ T74] do_syscall_64+0xc6/0x1e0 [ 5858.288405][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5858.288405][ T74] [ 5858.290322][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5858.290322][ T74] netdev_get_by_index+0x5e/0x80 [ 5858.290322][ T74] fib6_nh_init+0x3d8/0x1580 [ 5858.290322][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5858.290322][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5858.290322][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5858.290322][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5858.290322][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5858.290322][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5858.290322][ T74] addrconf_dad_begin+0x310/0x670 [ 5858.290322][ T74] addrconf_dad_work+0x10b/0xab0 [ 5858.290322][ T74] process_one_work+0x84d/0x18a0 [ 5858.290322][ T74] worker_thread+0x587/0xd30 [ 5858.290322][ T74] kthread+0x28a/0x350 [ 5858.290322][ T74] ret_from_fork+0x31/0x70 [ 5858.290322][ T74] ret_from_fork_asm+0x1a/0x30 [ 5858.290322][ T74] [ 5858.292282][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5858.292282][ T74] netdev_get_by_index+0x5e/0x80 [ 5858.292282][ T74] fib6_nh_init+0x3d8/0x1580 [ 5858.292282][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5858.292282][ T74] ip6_route_add+0x1c/0x140 [ 5858.292282][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5858.292282][ T74] inet6_addr_add+0x4f8/0xa40 [ 5858.292282][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5858.292282][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5858.292282][ T74] netlink_rcv_skb+0x130/0x360 [ 5858.292282][ T74] netlink_unicast+0x449/0x710 [ 5858.292282][ T74] netlink_sendmsg+0x723/0xbe0 [ 5858.292282][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5858.292282][ T74] ___sys_sendmsg+0xee/0x170 [ 5858.292282][ T74] __sys_sendmsg+0xcd/0x170 [ 5858.292282][ T74] do_syscall_64+0xc6/0x1e0 [ 5858.292282][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5858.292282][ T74] [ 5858.294310][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5858.294310][ T74] netdev_get_by_index+0x5e/0x80 [ 5858.294310][ T74] fib6_nh_init+0x3d8/0x1580 [ 5858.294310][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5858.294310][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5858.294310][ T74] ipv6_add_addr+0x411/0x2000 [ 5858.294310][ T74] inet6_addr_add+0x30e/0xa40 [ 5858.294310][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5858.294310][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5858.294310][ T74] netlink_rcv_skb+0x130/0x360 [ 5858.294310][ T74] netlink_unicast+0x449/0x710 [ 5858.294310][ T74] netlink_sendmsg+0x723/0xbe0 [ 5858.294310][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5858.294310][ T74] ___sys_sendmsg+0xee/0x170 [ 5858.294310][ T74] __sys_sendmsg+0xcd/0x170 [ 5858.294310][ T74] do_syscall_64+0xc6/0x1e0 [ 5858.294310][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5858.294310][ T74] [ 5858.296336][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5858.296336][ T74] netdev_get_by_index+0x5e/0x80 [ 5858.296336][ T74] fib6_nh_init+0x3d8/0x1580 [ 5858.296336][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5858.296336][ T74] ip6_route_add+0x1c/0x140 [ 5858.296336][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5858.296336][ T74] addrconf_add_dev+0xe2/0x170 [ 5858.296336][ T74] inet6_addr_add+0x12f/0xa40 [ 5858.296336][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5858.296336][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5858.296336][ T74] netlink_rcv_skb+0x130/0x360 [ 5858.296336][ T74] netlink_unicast+0x449/0x710 [ 5858.296336][ T74] netlink_sendmsg+0x723/0xbe0 [ 5858.296336][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5858.296336][ T74] ___sys_sendmsg+0xee/0x170 [ 5858.296336][ T74] __sys_sendmsg+0xcd/0x170 [ 5858.296336][ T74] do_syscall_64+0xc6/0x1e0 [ 5858.296336][ T74] [ 5858.298354][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5858.298354][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5858.298354][ T74] ipv6_find_idev+0x102/0x170 [ 5858.298354][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5858.298354][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5858.298354][ T74] netlink_rcv_skb+0x130/0x360 [ 5858.298354][ T74] netlink_unicast+0x449/0x710 [ 5858.298354][ T74] netlink_sendmsg+0x723/0xbe0 [ 5858.298354][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5858.298354][ T74] ___sys_sendmsg+0xee/0x170 [ 5858.298354][ T74] __sys_sendmsg+0xcd/0x170 [ 5858.298354][ T74] do_syscall_64+0xc6/0x1e0 [ 5858.298354][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5858.298354][ T74] [ 5858.299922][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5858.299922][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5858.299922][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5858.299922][ T74] ipv6_find_idev+0x102/0x170 [ 5858.299922][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5858.299922][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5858.299922][ T74] netlink_rcv_skb+0x130/0x360 [ 5858.299922][ T74] netlink_unicast+0x449/0x710 [ 5858.299922][ T74] netlink_sendmsg+0x723/0xbe0 [ 5858.299922][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5858.299922][ T74] ___sys_sendmsg+0xee/0x170 [ 5858.299922][ T74] __sys_sendmsg+0xcd/0x170 [ 5858.299922][ T74] do_syscall_64+0xc6/0x1e0 [ 5858.299922][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5858.299922][ T74] [ 5858.301680][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5858.301974][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5858.301974][ T74] dst_init+0x84/0x4a0 [ 5858.301974][ T74] dst_alloc+0x97/0x150 [ 5858.301974][ T74] ip6_dst_alloc+0x23/0x90 [ 5858.301974][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5858.301974][ T74] ip6_pol_route+0x56f/0x840 [ 5858.301974][ T74] fib6_rule_lookup+0x456/0x630 [ 5858.301974][ T74] ip6_route_input+0x59c/0xa50 [ 5858.301974][ T74] ipv6_rcv+0x397/0x810 [ 5858.301974][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5858.301974][ T74] process_backlog+0x101/0x620 [ 5858.301974][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5858.301974][ T74] net_rx_action+0x495/0xbe0 [ 5858.301974][ T74] __do_softirq+0x1b5/0x7f6 [ 5858.301974][ T74] [ 5858.303634][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5858.303634][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5858.303634][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5858.303634][ T74] fib6_nh_init+0xa22/0x1580 [ 5858.303634][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5858.303634][ T74] ip6_route_add+0x1c/0x140 [ 5858.303634][ T74] inet6_rtm_newroute+0x104/0x110 [ 5858.303634][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5858.303634][ T74] netlink_rcv_skb+0x130/0x360 [ 5858.303634][ T74] netlink_unicast+0x449/0x710 [ 5858.303634][ T74] netlink_sendmsg+0x723/0xbe0 [ 5858.303634][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5858.303634][ T74] ___sys_sendmsg+0xee/0x170 [ 5858.303634][ T74] __sys_sendmsg+0xcd/0x170 [ 5858.303634][ T74] do_syscall_64+0xc6/0x1e0 [ 5858.303634][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5858.303634][ T74] [ 5858.305534][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5858.305534][ T74] netdev_get_by_index+0x5e/0x80 [ 5858.305534][ T74] fib6_nh_init+0x3d8/0x1580 [ 5858.305534][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5858.305534][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5858.305534][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5858.305534][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5858.305534][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5858.305534][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5858.305534][ T74] addrconf_dad_begin+0x310/0x670 [ 5858.305534][ T74] addrconf_dad_work+0x10b/0xab0 [ 5858.305534][ T74] process_one_work+0x84d/0x18a0 [ 5858.305534][ T74] worker_thread+0x587/0xd30 [ 5858.305534][ T74] kthread+0x28a/0x350 [ 5858.305534][ T74] ret_from_fork+0x31/0x70 [ 5858.305534][ T74] ret_from_fork_asm+0x1a/0x30 [ 5858.305534][ T74] [ 5858.307471][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5858.307471][ T74] netdev_get_by_index+0x5e/0x80 [ 5858.307471][ T74] fib6_nh_init+0x3d8/0x1580 [ 5858.307471][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5858.307471][ T74] ip6_route_add+0x1c/0x140 [ 5858.307471][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5858.307471][ T74] inet6_addr_add+0x4f8/0xa40 [ 5858.307471][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5858.307471][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5858.307471][ T74] netlink_rcv_skb+0x130/0x360 [ 5858.307471][ T74] netlink_unicast+0x449/0x710 [ 5858.307471][ T74] netlink_sendmsg+0x723/0xbe0 [ 5858.307471][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5858.307471][ T74] ___sys_sendmsg+0xee/0x170 [ 5858.307471][ T74] __sys_sendmsg+0xcd/0x170 [ 5858.307471][ T74] do_syscall_64+0xc6/0x1e0 [ 5858.307471][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5858.307471][ T74] [ 5858.309494][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5858.309494][ T74] netdev_get_by_index+0x5e/0x80 [ 5858.309494][ T74] fib6_nh_init+0x3d8/0x1580 [ 5858.309494][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5858.309494][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5858.309494][ T74] ipv6_add_addr+0x411/0x2000 [ 5858.309494][ T74] inet6_addr_add+0x30e/0xa40 [ 5858.309494][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5858.309494][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5858.309494][ T74] netlink_rcv_skb+0x130/0x360 [ 5858.309494][ T74] netlink_unicast+0x449/0x710 [ 5858.309494][ T74] netlink_sendmsg+0x723/0xbe0 [ 5858.309494][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5858.309494][ T74] ___sys_sendmsg+0xee/0x170 [ 5858.309494][ T74] __sys_sendmsg+0xcd/0x170 [ 5858.309494][ T74] do_syscall_64+0xc6/0x1e0 [ 5858.309494][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5858.309494][ T74] [ 5858.311533][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5858.311533][ T74] netdev_get_by_index+0x5e/0x80 [ 5858.311533][ T74] fib6_nh_init+0x3d8/0x1580 [ 5858.311533][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5858.311533][ T74] ip6_route_add+0x1c/0x140 [ 5858.311533][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5858.311533][ T74] addrconf_add_dev+0xe2/0x170 [ 5858.311533][ T74] inet6_addr_add+0x12f/0xa40 [ 5858.311533][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5858.311533][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5858.311533][ T74] netlink_rcv_skb+0x130/0x360 [ 5858.311533][ T74] netlink_unicast+0x449/0x710 [ 5858.311533][ T74] netlink_sendmsg+0x723/0xbe0 [ 5858.311533][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5858.311533][ T74] ___sys_sendmsg+0xee/0x170 [ 5858.311533][ T74] __sys_sendmsg+0xcd/0x170 [ 5858.311533][ T74] do_syscall_64+0xc6/0x1e0 [ 5858.311533][ T74] [ 5858.313525][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5858.313525][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5858.313525][ T74] ipv6_find_idev+0x102/0x170 [ 5858.313525][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5858.313525][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5858.313525][ T74] netlink_rcv_skb+0x130/0x360 [ 5858.313525][ T74] netlink_unicast+0x449/0x710 [ 5858.313525][ T74] netlink_sendmsg+0x723/0xbe0 [ 5858.313525][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5858.313525][ T74] ___sys_sendmsg+0xee/0x170 [ 5858.313525][ T74] __sys_sendmsg+0xcd/0x170 [ 5858.313525][ T74] do_syscall_64+0xc6/0x1e0 [ 5858.313525][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5858.313525][ T74] [ 5858.315271][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5858.315271][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5858.315271][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5858.315271][ T74] ipv6_find_idev+0x102/0x170 [ 5858.315271][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5858.315271][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5858.315271][ T74] netlink_rcv_skb+0x130/0x360 [ 5858.315271][ T74] netlink_unicast+0x449/0x710 [ 5858.315271][ T74] netlink_sendmsg+0x723/0xbe0 [ 5858.315271][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5858.315271][ T74] ___sys_sendmsg+0xee/0x170 [ 5858.315271][ T74] __sys_sendmsg+0xcd/0x170 [ 5858.315271][ T74] do_syscall_64+0xc6/0x1e0 [ 5858.315271][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5858.315271][ T74] [ 5858.317157][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5858.317458][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5858.317458][ T74] netdev_get_by_index+0x5e/0x80 [ 5858.317458][ T74] fib6_nh_init+0x3d8/0x1580 [ 5858.317458][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5858.317458][ T74] ip6_route_add+0x1c/0x140 [ 5858.317458][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5858.317458][ T74] inet6_addr_add+0x4f8/0xa40 [ 5858.317458][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5858.317458][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5858.317458][ T74] netlink_rcv_skb+0x130/0x360 [ 5858.317458][ T74] netlink_unicast+0x449/0x710 [ 5858.317458][ T74] netlink_sendmsg+0x723/0xbe0 [ 5858.317458][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5858.317458][ T74] ___sys_sendmsg+0xee/0x170 [ 5858.317458][ T74] __sys_sendmsg+0xcd/0x170 [ 5858.317458][ T74] do_syscall_64+0xc6/0x1e0 [ 5858.317458][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5858.317458][ T74] [ 5858.319658][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5858.319658][ T74] netdev_get_by_index+0x5e/0x80 [ 5858.319658][ T74] fib6_nh_init+0x3d8/0x1580 [ 5858.319658][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5858.319658][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5858.319658][ T74] ipv6_add_addr+0x411/0x2000 [ 5858.319658][ T74] inet6_addr_add+0x30e/0xa40 [ 5858.319658][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5858.319658][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5858.319658][ T74] netlink_rcv_skb+0x130/0x360 [ 5858.319658][ T74] netlink_unicast+0x449/0x710 [ 5858.319658][ T74] netlink_sendmsg+0x723/0xbe0 [ 5858.319658][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5858.319658][ T74] ___sys_sendmsg+0xee/0x170 [ 5858.319658][ T74] __sys_sendmsg+0xcd/0x170 [ 5858.319658][ T74] do_syscall_64+0xc6/0x1e0 [ 5858.319658][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5858.319658][ T74] [ 5858.321862][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5858.321862][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5858.321862][ T74] ipv6_find_idev+0x102/0x170 [ 5858.321862][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5858.321862][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5858.321862][ T74] netlink_rcv_skb+0x130/0x360 [ 5858.321862][ T74] netlink_unicast+0x449/0x710 [ 5858.321862][ T74] netlink_sendmsg+0x723/0xbe0 [ 5858.321862][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5858.321862][ T74] ___sys_sendmsg+0xee/0x170 [ 5858.321862][ T74] __sys_sendmsg+0xcd/0x170 [ 5858.321862][ T74] do_syscall_64+0xc6/0x1e0 [ 5858.321862][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5858.321862][ T74] [ 5858.323535][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5858.323535][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5858.323535][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5858.323535][ T74] ipv6_find_idev+0x102/0x170 [ 5858.323535][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5858.323535][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5858.323535][ T74] netlink_rcv_skb+0x130/0x360 [ 5858.323535][ T74] netlink_unicast+0x449/0x710 [ 5858.323535][ T74] netlink_sendmsg+0x723/0xbe0 [ 5858.323535][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5858.323535][ T74] ___sys_sendmsg+0xee/0x170 [ 5858.323535][ T74] __sys_sendmsg+0xcd/0x170 [ 5858.323535][ T74] do_syscall_64+0xc6/0x1e0 [ 5858.323535][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5858.323535][ T74] [ 5868.351956][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5868.352339][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5868.352339][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5868.352339][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5868.352339][ T74] fib6_nh_init+0xa22/0x1580 [ 5868.352339][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5868.352339][ T74] ip6_route_add+0x1c/0x140 [ 5868.352339][ T74] inet6_rtm_newroute+0x104/0x110 [ 5868.352339][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5868.352339][ T74] netlink_rcv_skb+0x130/0x360 [ 5868.352339][ T74] netlink_unicast+0x449/0x710 [ 5868.352339][ T74] netlink_sendmsg+0x723/0xbe0 [ 5868.352339][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5868.352339][ T74] ___sys_sendmsg+0xee/0x170 [ 5868.352339][ T74] __sys_sendmsg+0xcd/0x170 [ 5868.352339][ T74] do_syscall_64+0xc6/0x1e0 [ 5868.352339][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5868.352339][ T74] [ 5868.354260][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5868.354260][ T74] netdev_get_by_index+0x5e/0x80 [ 5868.354260][ T74] fib6_nh_init+0x3d8/0x1580 [ 5868.354260][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5868.354260][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5868.354260][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5868.354260][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5868.354260][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5868.354260][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5868.354260][ T74] addrconf_dad_begin+0x310/0x670 [ 5868.354260][ T74] addrconf_dad_work+0x10b/0xab0 [ 5868.354260][ T74] process_one_work+0x84d/0x18a0 [ 5868.354260][ T74] worker_thread+0x587/0xd30 [ 5868.354260][ T74] kthread+0x28a/0x350 [ 5868.354260][ T74] ret_from_fork+0x31/0x70 [ 5868.354260][ T74] ret_from_fork_asm+0x1a/0x30 [ 5868.354260][ T74] [ 5868.356199][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5868.356199][ T74] netdev_get_by_index+0x5e/0x80 [ 5868.356199][ T74] fib6_nh_init+0x3d8/0x1580 [ 5868.356199][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5868.356199][ T74] ip6_route_add+0x1c/0x140 [ 5868.356199][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5868.356199][ T74] inet6_addr_add+0x4f8/0xa40 [ 5868.356199][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5868.356199][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5868.356199][ T74] netlink_rcv_skb+0x130/0x360 [ 5868.356199][ T74] netlink_unicast+0x449/0x710 [ 5868.356199][ T74] netlink_sendmsg+0x723/0xbe0 [ 5868.356199][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5868.356199][ T74] ___sys_sendmsg+0xee/0x170 [ 5868.356199][ T74] __sys_sendmsg+0xcd/0x170 [ 5868.356199][ T74] do_syscall_64+0xc6/0x1e0 [ 5868.356199][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5868.356199][ T74] [ 5868.358211][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5868.358211][ T74] netdev_get_by_index+0x5e/0x80 [ 5868.358211][ T74] fib6_nh_init+0x3d8/0x1580 [ 5868.358211][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5868.358211][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5868.358211][ T74] ipv6_add_addr+0x411/0x2000 [ 5868.358211][ T74] inet6_addr_add+0x30e/0xa40 [ 5868.358211][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5868.358211][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5868.358211][ T74] netlink_rcv_skb+0x130/0x360 [ 5868.358211][ T74] netlink_unicast+0x449/0x710 [ 5868.358211][ T74] netlink_sendmsg+0x723/0xbe0 [ 5868.358211][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5868.358211][ T74] ___sys_sendmsg+0xee/0x170 [ 5868.358211][ T74] __sys_sendmsg+0xcd/0x170 [ 5868.358211][ T74] do_syscall_64+0xc6/0x1e0 [ 5868.358211][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5868.358211][ T74] [ 5868.360226][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5868.360226][ T74] netdev_get_by_index+0x5e/0x80 [ 5868.360226][ T74] fib6_nh_init+0x3d8/0x1580 [ 5868.360226][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5868.360226][ T74] ip6_route_add+0x1c/0x140 [ 5868.360226][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5868.360226][ T74] addrconf_add_dev+0xe2/0x170 [ 5868.360226][ T74] inet6_addr_add+0x12f/0xa40 [ 5868.360226][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5868.360226][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5868.360226][ T74] netlink_rcv_skb+0x130/0x360 [ 5868.360226][ T74] netlink_unicast+0x449/0x710 [ 5868.360226][ T74] netlink_sendmsg+0x723/0xbe0 [ 5868.360226][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5868.360226][ T74] ___sys_sendmsg+0xee/0x170 [ 5868.360226][ T74] __sys_sendmsg+0xcd/0x170 [ 5868.360226][ T74] do_syscall_64+0xc6/0x1e0 [ 5868.360226][ T74] [ 5868.362218][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5868.362218][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5868.362218][ T74] ipv6_find_idev+0x102/0x170 [ 5868.362218][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5868.362218][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5868.362218][ T74] netlink_rcv_skb+0x130/0x360 [ 5868.362218][ T74] netlink_unicast+0x449/0x710 [ 5868.362218][ T74] netlink_sendmsg+0x723/0xbe0 [ 5868.362218][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5868.362218][ T74] ___sys_sendmsg+0xee/0x170 [ 5868.362218][ T74] __sys_sendmsg+0xcd/0x170 [ 5868.362218][ T74] do_syscall_64+0xc6/0x1e0 [ 5868.362218][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5868.362218][ T74] [ 5868.363777][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5868.363777][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5868.363777][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5868.363777][ T74] ipv6_find_idev+0x102/0x170 [ 5868.363777][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5868.363777][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5868.363777][ T74] netlink_rcv_skb+0x130/0x360 [ 5868.363777][ T74] netlink_unicast+0x449/0x710 [ 5868.363777][ T74] netlink_sendmsg+0x723/0xbe0 [ 5868.363777][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5868.363777][ T74] ___sys_sendmsg+0xee/0x170 [ 5868.363777][ T74] __sys_sendmsg+0xcd/0x170 [ 5868.363777][ T74] do_syscall_64+0xc6/0x1e0 [ 5868.363777][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5868.363777][ T74] [ 5868.365499][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5868.366334][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5868.366334][ T74] dst_init+0x84/0x4a0 [ 5868.366334][ T74] dst_alloc+0x97/0x150 [ 5868.366334][ T74] ip6_dst_alloc+0x23/0x90 [ 5868.366334][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5868.366334][ T74] ip6_pol_route+0x56f/0x840 [ 5868.366334][ T74] fib6_rule_lookup+0x456/0x630 [ 5868.366334][ T74] ip6_route_input+0x59c/0xa50 [ 5868.366334][ T74] ipv6_rcv+0x397/0x810 [ 5868.366334][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5868.366334][ T74] process_backlog+0x101/0x620 [ 5868.366334][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5868.366334][ T74] net_rx_action+0x495/0xbe0 [ 5868.366334][ T74] __do_softirq+0x1b5/0x7f6 [ 5868.366334][ T74] [ 5868.367988][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5868.367988][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5868.367988][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5868.367988][ T74] fib6_nh_init+0xa22/0x1580 [ 5868.367988][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5868.367988][ T74] ip6_route_add+0x1c/0x140 [ 5868.367988][ T74] inet6_rtm_newroute+0x104/0x110 [ 5868.367988][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5868.367988][ T74] netlink_rcv_skb+0x130/0x360 [ 5868.367988][ T74] netlink_unicast+0x449/0x710 [ 5868.367988][ T74] netlink_sendmsg+0x723/0xbe0 [ 5868.367988][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5868.367988][ T74] ___sys_sendmsg+0xee/0x170 [ 5868.367988][ T74] __sys_sendmsg+0xcd/0x170 [ 5868.367988][ T74] do_syscall_64+0xc6/0x1e0 [ 5868.367988][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5868.367988][ T74] [ 5868.369884][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5868.369884][ T74] netdev_get_by_index+0x5e/0x80 [ 5868.369884][ T74] fib6_nh_init+0x3d8/0x1580 [ 5868.369884][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5868.369884][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5868.369884][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5868.369884][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5868.369884][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5868.369884][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5868.369884][ T74] addrconf_dad_begin+0x310/0x670 [ 5868.369884][ T74] addrconf_dad_work+0x10b/0xab0 [ 5868.369884][ T74] process_one_work+0x84d/0x18a0 [ 5868.369884][ T74] worker_thread+0x587/0xd30 [ 5868.369884][ T74] kthread+0x28a/0x350 [ 5868.369884][ T74] ret_from_fork+0x31/0x70 [ 5868.369884][ T74] ret_from_fork_asm+0x1a/0x30 [ 5868.369884][ T74] [ 5868.371816][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5868.371816][ T74] netdev_get_by_index+0x5e/0x80 [ 5868.371816][ T74] fib6_nh_init+0x3d8/0x1580 [ 5868.371816][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5868.371816][ T74] ip6_route_add+0x1c/0x140 [ 5868.371816][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5868.371816][ T74] inet6_addr_add+0x4f8/0xa40 [ 5868.371816][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5868.371816][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5868.371816][ T74] netlink_rcv_skb+0x130/0x360 [ 5868.371816][ T74] netlink_unicast+0x449/0x710 [ 5868.371816][ T74] netlink_sendmsg+0x723/0xbe0 [ 5868.371816][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5868.371816][ T74] ___sys_sendmsg+0xee/0x170 [ 5868.371816][ T74] __sys_sendmsg+0xcd/0x170 [ 5868.371816][ T74] do_syscall_64+0xc6/0x1e0 [ 5868.371816][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5868.371816][ T74] [ 5868.373830][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5868.373830][ T74] netdev_get_by_index+0x5e/0x80 [ 5868.373830][ T74] fib6_nh_init+0x3d8/0x1580 [ 5868.373830][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5868.373830][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5868.373830][ T74] ipv6_add_addr+0x411/0x2000 [ 5868.373830][ T74] inet6_addr_add+0x30e/0xa40 [ 5868.373830][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5868.373830][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5868.373830][ T74] netlink_rcv_skb+0x130/0x360 [ 5868.373830][ T74] netlink_unicast+0x449/0x710 [ 5868.373830][ T74] netlink_sendmsg+0x723/0xbe0 [ 5868.373830][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5868.373830][ T74] ___sys_sendmsg+0xee/0x170 [ 5868.373830][ T74] __sys_sendmsg+0xcd/0x170 [ 5868.373830][ T74] do_syscall_64+0xc6/0x1e0 [ 5868.373830][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5868.373830][ T74] [ 5868.375843][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5868.375843][ T74] netdev_get_by_index+0x5e/0x80 [ 5868.375843][ T74] fib6_nh_init+0x3d8/0x1580 [ 5868.375843][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5868.375843][ T74] ip6_route_add+0x1c/0x140 [ 5868.375843][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5868.375843][ T74] addrconf_add_dev+0xe2/0x170 [ 5868.375843][ T74] inet6_addr_add+0x12f/0xa40 [ 5868.375843][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5868.375843][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5868.375843][ T74] netlink_rcv_skb+0x130/0x360 [ 5868.375843][ T74] netlink_unicast+0x449/0x710 [ 5868.375843][ T74] netlink_sendmsg+0x723/0xbe0 [ 5868.375843][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5868.375843][ T74] ___sys_sendmsg+0xee/0x170 [ 5868.375843][ T74] __sys_sendmsg+0xcd/0x170 [ 5868.375843][ T74] do_syscall_64+0xc6/0x1e0 [ 5868.375843][ T74] [ 5868.377822][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5868.377822][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5868.377822][ T74] ipv6_find_idev+0x102/0x170 [ 5868.377822][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5868.377822][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5868.377822][ T74] netlink_rcv_skb+0x130/0x360 [ 5868.377822][ T74] netlink_unicast+0x449/0x710 [ 5868.377822][ T74] netlink_sendmsg+0x723/0xbe0 [ 5868.377822][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5868.377822][ T74] ___sys_sendmsg+0xee/0x170 [ 5868.377822][ T74] __sys_sendmsg+0xcd/0x170 [ 5868.377822][ T74] do_syscall_64+0xc6/0x1e0 [ 5868.377822][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5868.377822][ T74] [ 5868.379496][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5868.379496][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5868.379496][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5868.379496][ T74] ipv6_find_idev+0x102/0x170 [ 5868.379496][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5868.379496][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5868.379496][ T74] netlink_rcv_skb+0x130/0x360 [ 5868.379496][ T74] netlink_unicast+0x449/0x710 [ 5868.379496][ T74] netlink_sendmsg+0x723/0xbe0 [ 5868.379496][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5868.379496][ T74] ___sys_sendmsg+0xee/0x170 [ 5868.379496][ T74] __sys_sendmsg+0xcd/0x170 [ 5868.379496][ T74] do_syscall_64+0xc6/0x1e0 [ 5868.379496][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5868.379496][ T74] [ 5868.381447][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5868.381748][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5868.381748][ T74] netdev_get_by_index+0x5e/0x80 [ 5868.381748][ T74] fib6_nh_init+0x3d8/0x1580 [ 5868.381748][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5868.381748][ T74] ip6_route_add+0x1c/0x140 [ 5868.381748][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5868.381748][ T74] inet6_addr_add+0x4f8/0xa40 [ 5868.381748][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5868.381748][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5868.381748][ T74] netlink_rcv_skb+0x130/0x360 [ 5868.381748][ T74] netlink_unicast+0x449/0x710 [ 5868.381748][ T74] netlink_sendmsg+0x723/0xbe0 [ 5868.381748][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5868.381748][ T74] ___sys_sendmsg+0xee/0x170 [ 5868.381748][ T74] __sys_sendmsg+0xcd/0x170 [ 5868.381748][ T74] do_syscall_64+0xc6/0x1e0 [ 5868.381748][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5868.381748][ T74] [ 5868.383941][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5868.383941][ T74] netdev_get_by_index+0x5e/0x80 [ 5868.383941][ T74] fib6_nh_init+0x3d8/0x1580 [ 5868.383941][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5868.383941][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5868.383941][ T74] ipv6_add_addr+0x411/0x2000 [ 5868.383941][ T74] inet6_addr_add+0x30e/0xa40 [ 5868.383941][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5868.383941][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5868.383941][ T74] netlink_rcv_skb+0x130/0x360 [ 5868.383941][ T74] netlink_unicast+0x449/0x710 [ 5868.383941][ T74] netlink_sendmsg+0x723/0xbe0 [ 5868.383941][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5868.383941][ T74] ___sys_sendmsg+0xee/0x170 [ 5868.383941][ T74] __sys_sendmsg+0xcd/0x170 [ 5868.383941][ T74] do_syscall_64+0xc6/0x1e0 [ 5868.383941][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5868.383941][ T74] [ 5868.386188][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5868.386188][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5868.386188][ T74] ipv6_find_idev+0x102/0x170 [ 5868.386188][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5868.386188][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5868.386188][ T74] netlink_rcv_skb+0x130/0x360 [ 5868.386188][ T74] netlink_unicast+0x449/0x710 [ 5868.386188][ T74] netlink_sendmsg+0x723/0xbe0 [ 5868.386188][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5868.386188][ T74] ___sys_sendmsg+0xee/0x170 [ 5868.386188][ T74] __sys_sendmsg+0xcd/0x170 [ 5868.386188][ T74] do_syscall_64+0xc6/0x1e0 [ 5868.386188][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5868.386188][ T74] [ 5868.387925][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5868.387925][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5868.387925][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5868.387925][ T74] ipv6_find_idev+0x102/0x170 [ 5868.387925][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5868.387925][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5868.387925][ T74] netlink_rcv_skb+0x130/0x360 [ 5868.387925][ T74] netlink_unicast+0x449/0x710 [ 5868.387925][ T74] netlink_sendmsg+0x723/0xbe0 [ 5868.387925][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5868.387925][ T74] ___sys_sendmsg+0xee/0x170 [ 5868.387925][ T74] __sys_sendmsg+0xcd/0x170 [ 5868.387925][ T74] do_syscall_64+0xc6/0x1e0 [ 5868.387925][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5868.387925][ T74] [ 5878.432039][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5878.432395][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5878.432395][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5878.432395][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5878.432395][ T74] fib6_nh_init+0xa22/0x1580 [ 5878.432395][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5878.432395][ T74] ip6_route_add+0x1c/0x140 [ 5878.432395][ T74] inet6_rtm_newroute+0x104/0x110 [ 5878.432395][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5878.432395][ T74] netlink_rcv_skb+0x130/0x360 [ 5878.432395][ T74] netlink_unicast+0x449/0x710 [ 5878.432395][ T74] netlink_sendmsg+0x723/0xbe0 [ 5878.432395][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5878.432395][ T74] ___sys_sendmsg+0xee/0x170 [ 5878.432395][ T74] __sys_sendmsg+0xcd/0x170 [ 5878.432395][ T74] do_syscall_64+0xc6/0x1e0 [ 5878.432395][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5878.432395][ T74] [ 5878.434308][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5878.434308][ T74] netdev_get_by_index+0x5e/0x80 [ 5878.434308][ T74] fib6_nh_init+0x3d8/0x1580 [ 5878.434308][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5878.434308][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5878.434308][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5878.434308][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5878.434308][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5878.434308][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5878.434308][ T74] addrconf_dad_begin+0x310/0x670 [ 5878.434308][ T74] addrconf_dad_work+0x10b/0xab0 [ 5878.434308][ T74] process_one_work+0x84d/0x18a0 [ 5878.434308][ T74] worker_thread+0x587/0xd30 [ 5878.434308][ T74] kthread+0x28a/0x350 [ 5878.434308][ T74] ret_from_fork+0x31/0x70 [ 5878.434308][ T74] ret_from_fork_asm+0x1a/0x30 [ 5878.434308][ T74] [ 5878.436205][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5878.436205][ T74] netdev_get_by_index+0x5e/0x80 [ 5878.436205][ T74] fib6_nh_init+0x3d8/0x1580 [ 5878.436205][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5878.436205][ T74] ip6_route_add+0x1c/0x140 [ 5878.436205][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5878.436205][ T74] inet6_addr_add+0x4f8/0xa40 [ 5878.436205][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5878.436205][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5878.436205][ T74] netlink_rcv_skb+0x130/0x360 [ 5878.436205][ T74] netlink_unicast+0x449/0x710 [ 5878.436205][ T74] netlink_sendmsg+0x723/0xbe0 [ 5878.436205][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5878.436205][ T74] ___sys_sendmsg+0xee/0x170 [ 5878.436205][ T74] __sys_sendmsg+0xcd/0x170 [ 5878.436205][ T74] do_syscall_64+0xc6/0x1e0 [ 5878.436205][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5878.436205][ T74] [ 5878.438193][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5878.438193][ T74] netdev_get_by_index+0x5e/0x80 [ 5878.438193][ T74] fib6_nh_init+0x3d8/0x1580 [ 5878.438193][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5878.438193][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5878.438193][ T74] ipv6_add_addr+0x411/0x2000 [ 5878.438193][ T74] inet6_addr_add+0x30e/0xa40 [ 5878.438193][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5878.438193][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5878.438193][ T74] netlink_rcv_skb+0x130/0x360 [ 5878.438193][ T74] netlink_unicast+0x449/0x710 [ 5878.438193][ T74] netlink_sendmsg+0x723/0xbe0 [ 5878.438193][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5878.438193][ T74] ___sys_sendmsg+0xee/0x170 [ 5878.438193][ T74] __sys_sendmsg+0xcd/0x170 [ 5878.438193][ T74] do_syscall_64+0xc6/0x1e0 [ 5878.438193][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5878.438193][ T74] [ 5878.440189][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5878.440189][ T74] netdev_get_by_index+0x5e/0x80 [ 5878.440189][ T74] fib6_nh_init+0x3d8/0x1580 [ 5878.440189][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5878.440189][ T74] ip6_route_add+0x1c/0x140 [ 5878.440189][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5878.440189][ T74] addrconf_add_dev+0xe2/0x170 [ 5878.440189][ T74] inet6_addr_add+0x12f/0xa40 [ 5878.440189][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5878.440189][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5878.440189][ T74] netlink_rcv_skb+0x130/0x360 [ 5878.440189][ T74] netlink_unicast+0x449/0x710 [ 5878.440189][ T74] netlink_sendmsg+0x723/0xbe0 [ 5878.440189][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5878.440189][ T74] ___sys_sendmsg+0xee/0x170 [ 5878.440189][ T74] __sys_sendmsg+0xcd/0x170 [ 5878.440189][ T74] do_syscall_64+0xc6/0x1e0 [ 5878.440189][ T74] [ 5878.442162][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5878.442162][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5878.442162][ T74] ipv6_find_idev+0x102/0x170 [ 5878.442162][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5878.442162][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5878.442162][ T74] netlink_rcv_skb+0x130/0x360 [ 5878.442162][ T74] netlink_unicast+0x449/0x710 [ 5878.442162][ T74] netlink_sendmsg+0x723/0xbe0 [ 5878.442162][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5878.442162][ T74] ___sys_sendmsg+0xee/0x170 [ 5878.442162][ T74] __sys_sendmsg+0xcd/0x170 [ 5878.442162][ T74] do_syscall_64+0xc6/0x1e0 [ 5878.442162][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5878.442162][ T74] [ 5878.443707][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5878.443707][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5878.443707][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5878.443707][ T74] ipv6_find_idev+0x102/0x170 [ 5878.443707][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5878.443707][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5878.443707][ T74] netlink_rcv_skb+0x130/0x360 [ 5878.443707][ T74] netlink_unicast+0x449/0x710 [ 5878.443707][ T74] netlink_sendmsg+0x723/0xbe0 [ 5878.443707][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5878.443707][ T74] ___sys_sendmsg+0xee/0x170 [ 5878.443707][ T74] __sys_sendmsg+0xcd/0x170 [ 5878.443707][ T74] do_syscall_64+0xc6/0x1e0 [ 5878.443707][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5878.443707][ T74] [ 5878.445395][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5878.445667][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5878.445667][ T74] dst_init+0x84/0x4a0 [ 5878.445667][ T74] dst_alloc+0x97/0x150 [ 5878.445667][ T74] ip6_dst_alloc+0x23/0x90 [ 5878.445667][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5878.445667][ T74] ip6_pol_route+0x56f/0x840 [ 5878.445667][ T74] fib6_rule_lookup+0x456/0x630 [ 5878.445667][ T74] ip6_route_input+0x59c/0xa50 [ 5878.445667][ T74] ipv6_rcv+0x397/0x810 [ 5878.445667][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5878.445667][ T74] process_backlog+0x101/0x620 [ 5878.445667][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5878.445667][ T74] net_rx_action+0x495/0xbe0 [ 5878.445667][ T74] __do_softirq+0x1b5/0x7f6 [ 5878.445667][ T74] [ 5878.447304][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5878.447304][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5878.447304][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5878.447304][ T74] fib6_nh_init+0xa22/0x1580 [ 5878.447304][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5878.447304][ T74] ip6_route_add+0x1c/0x140 [ 5878.447304][ T74] inet6_rtm_newroute+0x104/0x110 [ 5878.447304][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5878.447304][ T74] netlink_rcv_skb+0x130/0x360 [ 5878.447304][ T74] netlink_unicast+0x449/0x710 [ 5878.447304][ T74] netlink_sendmsg+0x723/0xbe0 [ 5878.447304][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5878.447304][ T74] ___sys_sendmsg+0xee/0x170 [ 5878.447304][ T74] __sys_sendmsg+0xcd/0x170 [ 5878.447304][ T74] do_syscall_64+0xc6/0x1e0 [ 5878.447304][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5878.447304][ T74] [ 5878.449173][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5878.449173][ T74] netdev_get_by_index+0x5e/0x80 [ 5878.449173][ T74] fib6_nh_init+0x3d8/0x1580 [ 5878.449173][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5878.449173][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5878.449173][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5878.449173][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5878.449173][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5878.449173][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5878.449173][ T74] addrconf_dad_begin+0x310/0x670 [ 5878.449173][ T74] addrconf_dad_work+0x10b/0xab0 [ 5878.449173][ T74] process_one_work+0x84d/0x18a0 [ 5878.449173][ T74] worker_thread+0x587/0xd30 [ 5878.449173][ T74] kthread+0x28a/0x350 [ 5878.449173][ T74] ret_from_fork+0x31/0x70 [ 5878.449173][ T74] ret_from_fork_asm+0x1a/0x30 [ 5878.449173][ T74] [ 5878.451076][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5878.451076][ T74] netdev_get_by_index+0x5e/0x80 [ 5878.451076][ T74] fib6_nh_init+0x3d8/0x1580 [ 5878.451076][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5878.451076][ T74] ip6_route_add+0x1c/0x140 [ 5878.451076][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5878.451076][ T74] inet6_addr_add+0x4f8/0xa40 [ 5878.451076][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5878.451076][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5878.451076][ T74] netlink_rcv_skb+0x130/0x360 [ 5878.451076][ T74] netlink_unicast+0x449/0x710 [ 5878.451076][ T74] netlink_sendmsg+0x723/0xbe0 [ 5878.451076][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5878.451076][ T74] ___sys_sendmsg+0xee/0x170 [ 5878.451076][ T74] __sys_sendmsg+0xcd/0x170 [ 5878.451076][ T74] do_syscall_64+0xc6/0x1e0 [ 5878.451076][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5878.451076][ T74] [ 5878.453066][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5878.453066][ T74] netdev_get_by_index+0x5e/0x80 [ 5878.453066][ T74] fib6_nh_init+0x3d8/0x1580 [ 5878.453066][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5878.453066][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5878.453066][ T74] ipv6_add_addr+0x411/0x2000 [ 5878.453066][ T74] inet6_addr_add+0x30e/0xa40 [ 5878.453066][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5878.453066][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5878.453066][ T74] netlink_rcv_skb+0x130/0x360 [ 5878.453066][ T74] netlink_unicast+0x449/0x710 [ 5878.453066][ T74] netlink_sendmsg+0x723/0xbe0 [ 5878.453066][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5878.453066][ T74] ___sys_sendmsg+0xee/0x170 [ 5878.453066][ T74] __sys_sendmsg+0xcd/0x170 [ 5878.453066][ T74] do_syscall_64+0xc6/0x1e0 [ 5878.453066][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5878.453066][ T74] [ 5878.455051][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5878.455051][ T74] netdev_get_by_index+0x5e/0x80 [ 5878.455051][ T74] fib6_nh_init+0x3d8/0x1580 [ 5878.455051][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5878.455051][ T74] ip6_route_add+0x1c/0x140 [ 5878.455051][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5878.455051][ T74] addrconf_add_dev+0xe2/0x170 [ 5878.455051][ T74] inet6_addr_add+0x12f/0xa40 [ 5878.455051][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5878.455051][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5878.455051][ T74] netlink_rcv_skb+0x130/0x360 [ 5878.455051][ T74] netlink_unicast+0x449/0x710 [ 5878.455051][ T74] netlink_sendmsg+0x723/0xbe0 [ 5878.455051][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5878.455051][ T74] ___sys_sendmsg+0xee/0x170 [ 5878.455051][ T74] __sys_sendmsg+0xcd/0x170 [ 5878.455051][ T74] do_syscall_64+0xc6/0x1e0 [ 5878.455051][ T74] [ 5878.457008][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5878.457008][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5878.457008][ T74] ipv6_find_idev+0x102/0x170 [ 5878.457008][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5878.457008][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5878.457008][ T74] netlink_rcv_skb+0x130/0x360 [ 5878.457008][ T74] netlink_unicast+0x449/0x710 [ 5878.457008][ T74] netlink_sendmsg+0x723/0xbe0 [ 5878.457008][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5878.457008][ T74] ___sys_sendmsg+0xee/0x170 [ 5878.457008][ T74] __sys_sendmsg+0xcd/0x170 [ 5878.457008][ T74] do_syscall_64+0xc6/0x1e0 [ 5878.457008][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5878.457008][ T74] [ 5878.458666][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5878.458666][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5878.458666][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5878.458666][ T74] ipv6_find_idev+0x102/0x170 [ 5878.458666][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5878.458666][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5878.458666][ T74] netlink_rcv_skb+0x130/0x360 [ 5878.458666][ T74] netlink_unicast+0x449/0x710 [ 5878.458666][ T74] netlink_sendmsg+0x723/0xbe0 [ 5878.458666][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5878.458666][ T74] ___sys_sendmsg+0xee/0x170 [ 5878.458666][ T74] __sys_sendmsg+0xcd/0x170 [ 5878.458666][ T74] do_syscall_64+0xc6/0x1e0 [ 5878.458666][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5878.458666][ T74] [ 5878.460519][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5878.460831][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5878.460831][ T74] netdev_get_by_index+0x5e/0x80 [ 5878.460831][ T74] fib6_nh_init+0x3d8/0x1580 [ 5878.460831][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5878.460831][ T74] ip6_route_add+0x1c/0x140 [ 5878.460831][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5878.460831][ T74] inet6_addr_add+0x4f8/0xa40 [ 5878.460831][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5878.460831][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5878.460831][ T74] netlink_rcv_skb+0x130/0x360 [ 5878.460831][ T74] netlink_unicast+0x449/0x710 [ 5878.460831][ T74] netlink_sendmsg+0x723/0xbe0 [ 5878.460831][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5878.460831][ T74] ___sys_sendmsg+0xee/0x170 [ 5878.460831][ T74] __sys_sendmsg+0xcd/0x170 [ 5878.460831][ T74] do_syscall_64+0xc6/0x1e0 [ 5878.460831][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5878.460831][ T74] [ 5878.463012][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5878.463012][ T74] netdev_get_by_index+0x5e/0x80 [ 5878.463012][ T74] fib6_nh_init+0x3d8/0x1580 [ 5878.463012][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5878.463012][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5878.463012][ T74] ipv6_add_addr+0x411/0x2000 [ 5878.463012][ T74] inet6_addr_add+0x30e/0xa40 [ 5878.463012][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5878.463012][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5878.463012][ T74] netlink_rcv_skb+0x130/0x360 [ 5878.463012][ T74] netlink_unicast+0x449/0x710 [ 5878.463012][ T74] netlink_sendmsg+0x723/0xbe0 [ 5878.463012][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5878.463012][ T74] ___sys_sendmsg+0xee/0x170 [ 5878.463012][ T74] __sys_sendmsg+0xcd/0x170 [ 5878.463012][ T74] do_syscall_64+0xc6/0x1e0 [ 5878.463012][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5878.463012][ T74] [ 5878.465336][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5878.465336][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5878.465336][ T74] ipv6_find_idev+0x102/0x170 [ 5878.465336][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5878.465336][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5878.465336][ T74] netlink_rcv_skb+0x130/0x360 [ 5878.465336][ T74] netlink_unicast+0x449/0x710 [ 5878.465336][ T74] netlink_sendmsg+0x723/0xbe0 [ 5878.465336][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5878.465336][ T74] ___sys_sendmsg+0xee/0x170 [ 5878.465336][ T74] __sys_sendmsg+0xcd/0x170 [ 5878.465336][ T74] do_syscall_64+0xc6/0x1e0 [ 5878.465336][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5878.465336][ T74] [ 5878.467045][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5878.467045][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5878.467045][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5878.467045][ T74] ipv6_find_idev+0x102/0x170 [ 5878.467045][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5878.467045][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5878.467045][ T74] netlink_rcv_skb+0x130/0x360 [ 5878.467045][ T74] netlink_unicast+0x449/0x710 [ 5878.467045][ T74] netlink_sendmsg+0x723/0xbe0 [ 5878.467045][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5878.467045][ T74] ___sys_sendmsg+0xee/0x170 [ 5878.467045][ T74] __sys_sendmsg+0xcd/0x170 [ 5878.467045][ T74] do_syscall_64+0xc6/0x1e0 [ 5878.467045][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5878.467045][ T74] [ 5888.711950][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5888.712396][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5888.712396][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5888.712396][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5888.712396][ T74] fib6_nh_init+0xa22/0x1580 [ 5888.712396][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5888.712396][ T74] ip6_route_add+0x1c/0x140 [ 5888.712396][ T74] inet6_rtm_newroute+0x104/0x110 [ 5888.712396][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5888.712396][ T74] netlink_rcv_skb+0x130/0x360 [ 5888.712396][ T74] netlink_unicast+0x449/0x710 [ 5888.712396][ T74] netlink_sendmsg+0x723/0xbe0 [ 5888.712396][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5888.712396][ T74] ___sys_sendmsg+0xee/0x170 [ 5888.712396][ T74] __sys_sendmsg+0xcd/0x170 [ 5888.712396][ T74] do_syscall_64+0xc6/0x1e0 [ 5888.712396][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5888.712396][ T74] [ 5888.714316][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5888.714316][ T74] netdev_get_by_index+0x5e/0x80 [ 5888.714316][ T74] fib6_nh_init+0x3d8/0x1580 [ 5888.714316][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5888.714316][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5888.714316][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5888.714316][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5888.714316][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5888.714316][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5888.714316][ T74] addrconf_dad_begin+0x310/0x670 [ 5888.714316][ T74] addrconf_dad_work+0x10b/0xab0 [ 5888.714316][ T74] process_one_work+0x84d/0x18a0 [ 5888.714316][ T74] worker_thread+0x587/0xd30 [ 5888.714316][ T74] kthread+0x28a/0x350 [ 5888.714316][ T74] ret_from_fork+0x31/0x70 [ 5888.714316][ T74] ret_from_fork_asm+0x1a/0x30 [ 5888.714316][ T74] [ 5888.716246][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5888.716246][ T74] netdev_get_by_index+0x5e/0x80 [ 5888.716246][ T74] fib6_nh_init+0x3d8/0x1580 [ 5888.716246][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5888.716246][ T74] ip6_route_add+0x1c/0x140 [ 5888.716246][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5888.716246][ T74] inet6_addr_add+0x4f8/0xa40 [ 5888.716246][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5888.716246][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5888.716246][ T74] netlink_rcv_skb+0x130/0x360 [ 5888.716246][ T74] netlink_unicast+0x449/0x710 [ 5888.716246][ T74] netlink_sendmsg+0x723/0xbe0 [ 5888.716246][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5888.716246][ T74] ___sys_sendmsg+0xee/0x170 [ 5888.716246][ T74] __sys_sendmsg+0xcd/0x170 [ 5888.716246][ T74] do_syscall_64+0xc6/0x1e0 [ 5888.716246][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5888.716246][ T74] [ 5888.718287][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5888.718287][ T74] netdev_get_by_index+0x5e/0x80 [ 5888.718287][ T74] fib6_nh_init+0x3d8/0x1580 [ 5888.718287][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5888.718287][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5888.718287][ T74] ipv6_add_addr+0x411/0x2000 [ 5888.718287][ T74] inet6_addr_add+0x30e/0xa40 [ 5888.718287][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5888.718287][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5888.718287][ T74] netlink_rcv_skb+0x130/0x360 [ 5888.718287][ T74] netlink_unicast+0x449/0x710 [ 5888.718287][ T74] netlink_sendmsg+0x723/0xbe0 [ 5888.718287][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5888.718287][ T74] ___sys_sendmsg+0xee/0x170 [ 5888.718287][ T74] __sys_sendmsg+0xcd/0x170 [ 5888.718287][ T74] do_syscall_64+0xc6/0x1e0 [ 5888.718287][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5888.718287][ T74] [ 5888.720304][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5888.720304][ T74] netdev_get_by_index+0x5e/0x80 [ 5888.720304][ T74] fib6_nh_init+0x3d8/0x1580 [ 5888.720304][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5888.720304][ T74] ip6_route_add+0x1c/0x140 [ 5888.720304][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5888.720304][ T74] addrconf_add_dev+0xe2/0x170 [ 5888.720304][ T74] inet6_addr_add+0x12f/0xa40 [ 5888.720304][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5888.720304][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5888.720304][ T74] netlink_rcv_skb+0x130/0x360 [ 5888.720304][ T74] netlink_unicast+0x449/0x710 [ 5888.720304][ T74] netlink_sendmsg+0x723/0xbe0 [ 5888.720304][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5888.720304][ T74] ___sys_sendmsg+0xee/0x170 [ 5888.720304][ T74] __sys_sendmsg+0xcd/0x170 [ 5888.720304][ T74] do_syscall_64+0xc6/0x1e0 [ 5888.720304][ T74] [ 5888.722293][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5888.722293][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5888.722293][ T74] ipv6_find_idev+0x102/0x170 [ 5888.722293][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5888.722293][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5888.722293][ T74] netlink_rcv_skb+0x130/0x360 [ 5888.722293][ T74] netlink_unicast+0x449/0x710 [ 5888.722293][ T74] netlink_sendmsg+0x723/0xbe0 [ 5888.722293][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5888.722293][ T74] ___sys_sendmsg+0xee/0x170 [ 5888.722293][ T74] __sys_sendmsg+0xcd/0x170 [ 5888.722293][ T74] do_syscall_64+0xc6/0x1e0 [ 5888.722293][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5888.722293][ T74] [ 5888.723841][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5888.723841][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5888.723841][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5888.723841][ T74] ipv6_find_idev+0x102/0x170 [ 5888.723841][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5888.723841][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5888.723841][ T74] netlink_rcv_skb+0x130/0x360 [ 5888.723841][ T74] netlink_unicast+0x449/0x710 [ 5888.723841][ T74] netlink_sendmsg+0x723/0xbe0 [ 5888.723841][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5888.723841][ T74] ___sys_sendmsg+0xee/0x170 [ 5888.723841][ T74] __sys_sendmsg+0xcd/0x170 [ 5888.723841][ T74] do_syscall_64+0xc6/0x1e0 [ 5888.723841][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5888.723841][ T74] [ 5888.725556][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5888.725837][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5888.725837][ T74] dst_init+0x84/0x4a0 [ 5888.725837][ T74] dst_alloc+0x97/0x150 [ 5888.725837][ T74] ip6_dst_alloc+0x23/0x90 [ 5888.725837][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5888.725837][ T74] ip6_pol_route+0x56f/0x840 [ 5888.725837][ T74] fib6_rule_lookup+0x456/0x630 [ 5888.725837][ T74] ip6_route_input+0x59c/0xa50 [ 5888.725837][ T74] ipv6_rcv+0x397/0x810 [ 5888.725837][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5888.725837][ T74] process_backlog+0x101/0x620 [ 5888.725837][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5888.725837][ T74] net_rx_action+0x495/0xbe0 [ 5888.725837][ T74] __do_softirq+0x1b5/0x7f6 [ 5888.725837][ T74] [ 5888.727490][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5888.727490][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5888.727490][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5888.727490][ T74] fib6_nh_init+0xa22/0x1580 [ 5888.727490][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5888.727490][ T74] ip6_route_add+0x1c/0x140 [ 5888.727490][ T74] inet6_rtm_newroute+0x104/0x110 [ 5888.727490][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5888.727490][ T74] netlink_rcv_skb+0x130/0x360 [ 5888.727490][ T74] netlink_unicast+0x449/0x710 [ 5888.727490][ T74] netlink_sendmsg+0x723/0xbe0 [ 5888.727490][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5888.727490][ T74] ___sys_sendmsg+0xee/0x170 [ 5888.727490][ T74] __sys_sendmsg+0xcd/0x170 [ 5888.727490][ T74] do_syscall_64+0xc6/0x1e0 [ 5888.727490][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5888.727490][ T74] [ 5888.729402][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5888.729402][ T74] netdev_get_by_index+0x5e/0x80 [ 5888.729402][ T74] fib6_nh_init+0x3d8/0x1580 [ 5888.729402][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5888.729402][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5888.729402][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5888.729402][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5888.729402][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5888.729402][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5888.729402][ T74] addrconf_dad_begin+0x310/0x670 [ 5888.729402][ T74] addrconf_dad_work+0x10b/0xab0 [ 5888.729402][ T74] process_one_work+0x84d/0x18a0 [ 5888.729402][ T74] worker_thread+0x587/0xd30 [ 5888.729402][ T74] kthread+0x28a/0x350 [ 5888.729402][ T74] ret_from_fork+0x31/0x70 [ 5888.729402][ T74] ret_from_fork_asm+0x1a/0x30 [ 5888.729402][ T74] [ 5888.731337][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5888.731337][ T74] netdev_get_by_index+0x5e/0x80 [ 5888.731337][ T74] fib6_nh_init+0x3d8/0x1580 [ 5888.731337][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5888.731337][ T74] ip6_route_add+0x1c/0x140 [ 5888.731337][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5888.731337][ T74] inet6_addr_add+0x4f8/0xa40 [ 5888.731337][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5888.731337][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5888.731337][ T74] netlink_rcv_skb+0x130/0x360 [ 5888.731337][ T74] netlink_unicast+0x449/0x710 [ 5888.731337][ T74] netlink_sendmsg+0x723/0xbe0 [ 5888.731337][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5888.731337][ T74] ___sys_sendmsg+0xee/0x170 [ 5888.731337][ T74] __sys_sendmsg+0xcd/0x170 [ 5888.731337][ T74] do_syscall_64+0xc6/0x1e0 [ 5888.731337][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5888.731337][ T74] [ 5888.733357][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5888.733357][ T74] netdev_get_by_index+0x5e/0x80 [ 5888.733357][ T74] fib6_nh_init+0x3d8/0x1580 [ 5888.733357][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5888.733357][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5888.733357][ T74] ipv6_add_addr+0x411/0x2000 [ 5888.733357][ T74] inet6_addr_add+0x30e/0xa40 [ 5888.733357][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5888.733357][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5888.733357][ T74] netlink_rcv_skb+0x130/0x360 [ 5888.733357][ T74] netlink_unicast+0x449/0x710 [ 5888.733357][ T74] netlink_sendmsg+0x723/0xbe0 [ 5888.733357][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5888.733357][ T74] ___sys_sendmsg+0xee/0x170 [ 5888.733357][ T74] __sys_sendmsg+0xcd/0x170 [ 5888.733357][ T74] do_syscall_64+0xc6/0x1e0 [ 5888.733357][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5888.733357][ T74] [ 5888.735380][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5888.735380][ T74] netdev_get_by_index+0x5e/0x80 [ 5888.735380][ T74] fib6_nh_init+0x3d8/0x1580 [ 5888.735380][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5888.735380][ T74] ip6_route_add+0x1c/0x140 [ 5888.735380][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5888.735380][ T74] addrconf_add_dev+0xe2/0x170 [ 5888.735380][ T74] inet6_addr_add+0x12f/0xa40 [ 5888.735380][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5888.735380][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5888.735380][ T74] netlink_rcv_skb+0x130/0x360 [ 5888.735380][ T74] netlink_unicast+0x449/0x710 [ 5888.735380][ T74] netlink_sendmsg+0x723/0xbe0 [ 5888.735380][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5888.735380][ T74] ___sys_sendmsg+0xee/0x170 [ 5888.735380][ T74] __sys_sendmsg+0xcd/0x170 [ 5888.735380][ T74] do_syscall_64+0xc6/0x1e0 [ 5888.735380][ T74] [ 5888.737371][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5888.737371][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5888.737371][ T74] ipv6_find_idev+0x102/0x170 [ 5888.737371][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5888.737371][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5888.737371][ T74] netlink_rcv_skb+0x130/0x360 [ 5888.737371][ T74] netlink_unicast+0x449/0x710 [ 5888.737371][ T74] netlink_sendmsg+0x723/0xbe0 [ 5888.737371][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5888.737371][ T74] ___sys_sendmsg+0xee/0x170 [ 5888.737371][ T74] __sys_sendmsg+0xcd/0x170 [ 5888.737371][ T74] do_syscall_64+0xc6/0x1e0 [ 5888.737371][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5888.737371][ T74] [ 5888.739109][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5888.739109][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5888.739109][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5888.739109][ T74] ipv6_find_idev+0x102/0x170 [ 5888.739109][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5888.739109][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5888.739109][ T74] netlink_rcv_skb+0x130/0x360 [ 5888.739109][ T74] netlink_unicast+0x449/0x710 [ 5888.739109][ T74] netlink_sendmsg+0x723/0xbe0 [ 5888.739109][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5888.739109][ T74] ___sys_sendmsg+0xee/0x170 [ 5888.739109][ T74] __sys_sendmsg+0xcd/0x170 [ 5888.739109][ T74] do_syscall_64+0xc6/0x1e0 [ 5888.739109][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5888.739109][ T74] [ 5888.741006][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5888.741308][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5888.741308][ T74] netdev_get_by_index+0x5e/0x80 [ 5888.741308][ T74] fib6_nh_init+0x3d8/0x1580 [ 5888.741308][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5888.741308][ T74] ip6_route_add+0x1c/0x140 [ 5888.741308][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5888.741308][ T74] inet6_addr_add+0x4f8/0xa40 [ 5888.741308][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5888.741308][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5888.741308][ T74] netlink_rcv_skb+0x130/0x360 [ 5888.741308][ T74] netlink_unicast+0x449/0x710 [ 5888.741308][ T74] netlink_sendmsg+0x723/0xbe0 [ 5888.741308][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5888.741308][ T74] ___sys_sendmsg+0xee/0x170 [ 5888.741308][ T74] __sys_sendmsg+0xcd/0x170 [ 5888.741308][ T74] do_syscall_64+0xc6/0x1e0 [ 5888.741308][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5888.741308][ T74] [ 5888.743515][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5888.743515][ T74] netdev_get_by_index+0x5e/0x80 [ 5888.743515][ T74] fib6_nh_init+0x3d8/0x1580 [ 5888.743515][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5888.743515][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5888.743515][ T74] ipv6_add_addr+0x411/0x2000 [ 5888.743515][ T74] inet6_addr_add+0x30e/0xa40 [ 5888.743515][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5888.743515][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5888.743515][ T74] netlink_rcv_skb+0x130/0x360 [ 5888.743515][ T74] netlink_unicast+0x449/0x710 [ 5888.743515][ T74] netlink_sendmsg+0x723/0xbe0 [ 5888.743515][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5888.743515][ T74] ___sys_sendmsg+0xee/0x170 [ 5888.743515][ T74] __sys_sendmsg+0xcd/0x170 [ 5888.743515][ T74] do_syscall_64+0xc6/0x1e0 [ 5888.743515][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5888.743515][ T74] [ 5888.745768][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5888.745768][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5888.745768][ T74] ipv6_find_idev+0x102/0x170 [ 5888.745768][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5888.745768][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5888.745768][ T74] netlink_rcv_skb+0x130/0x360 [ 5888.745768][ T74] netlink_unicast+0x449/0x710 [ 5888.745768][ T74] netlink_sendmsg+0x723/0xbe0 [ 5888.745768][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5888.745768][ T74] ___sys_sendmsg+0xee/0x170 [ 5888.745768][ T74] __sys_sendmsg+0xcd/0x170 [ 5888.745768][ T74] do_syscall_64+0xc6/0x1e0 [ 5888.745768][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5888.745768][ T74] [ 5888.747570][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5888.747570][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5888.747570][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5888.747570][ T74] ipv6_find_idev+0x102/0x170 [ 5888.747570][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5888.747570][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5888.747570][ T74] netlink_rcv_skb+0x130/0x360 [ 5888.747570][ T74] netlink_unicast+0x449/0x710 [ 5888.747570][ T74] netlink_sendmsg+0x723/0xbe0 [ 5888.747570][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5888.747570][ T74] ___sys_sendmsg+0xee/0x170 [ 5888.747570][ T74] __sys_sendmsg+0xcd/0x170 [ 5888.747570][ T74] do_syscall_64+0xc6/0x1e0 [ 5888.747570][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5888.747570][ T74] [ 5898.991894][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5898.992256][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5898.992256][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5898.992256][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5898.992256][ T74] fib6_nh_init+0xa22/0x1580 [ 5898.992256][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5898.992256][ T74] ip6_route_add+0x1c/0x140 [ 5898.992256][ T74] inet6_rtm_newroute+0x104/0x110 [ 5898.992256][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5898.992256][ T74] netlink_rcv_skb+0x130/0x360 [ 5898.992256][ T74] netlink_unicast+0x449/0x710 [ 5898.992256][ T74] netlink_sendmsg+0x723/0xbe0 [ 5898.992256][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5898.992256][ T74] ___sys_sendmsg+0xee/0x170 [ 5898.992256][ T74] __sys_sendmsg+0xcd/0x170 [ 5898.992256][ T74] do_syscall_64+0xc6/0x1e0 [ 5898.992256][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5898.992256][ T74] [ 5898.994690][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5898.994690][ T74] netdev_get_by_index+0x5e/0x80 [ 5898.994690][ T74] fib6_nh_init+0x3d8/0x1580 [ 5898.994690][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5898.994690][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5898.994690][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5898.994690][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5898.994690][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5898.994690][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5898.994690][ T74] addrconf_dad_begin+0x310/0x670 [ 5898.994690][ T74] addrconf_dad_work+0x10b/0xab0 [ 5898.994690][ T74] process_one_work+0x84d/0x18a0 [ 5898.994690][ T74] worker_thread+0x587/0xd30 [ 5898.994690][ T74] kthread+0x28a/0x350 [ 5898.994690][ T74] ret_from_fork+0x31/0x70 [ 5898.994690][ T74] ret_from_fork_asm+0x1a/0x30 [ 5898.994690][ T74] [ 5898.996599][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5898.996599][ T74] netdev_get_by_index+0x5e/0x80 [ 5898.996599][ T74] fib6_nh_init+0x3d8/0x1580 [ 5898.996599][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5898.996599][ T74] ip6_route_add+0x1c/0x140 [ 5898.996599][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5898.996599][ T74] inet6_addr_add+0x4f8/0xa40 [ 5898.996599][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5898.996599][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5898.996599][ T74] netlink_rcv_skb+0x130/0x360 [ 5898.996599][ T74] netlink_unicast+0x449/0x710 [ 5898.996599][ T74] netlink_sendmsg+0x723/0xbe0 [ 5898.996599][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5898.996599][ T74] ___sys_sendmsg+0xee/0x170 [ 5898.996599][ T74] __sys_sendmsg+0xcd/0x170 [ 5898.996599][ T74] do_syscall_64+0xc6/0x1e0 [ 5898.996599][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5898.996599][ T74] [ 5898.998586][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5898.998586][ T74] netdev_get_by_index+0x5e/0x80 [ 5898.998586][ T74] fib6_nh_init+0x3d8/0x1580 [ 5898.998586][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5898.998586][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5898.998586][ T74] ipv6_add_addr+0x411/0x2000 [ 5898.998586][ T74] inet6_addr_add+0x30e/0xa40 [ 5898.998586][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5898.998586][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5898.998586][ T74] netlink_rcv_skb+0x130/0x360 [ 5898.998586][ T74] netlink_unicast+0x449/0x710 [ 5898.998586][ T74] netlink_sendmsg+0x723/0xbe0 [ 5898.998586][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5898.998586][ T74] ___sys_sendmsg+0xee/0x170 [ 5898.998586][ T74] __sys_sendmsg+0xcd/0x170 [ 5898.998586][ T74] do_syscall_64+0xc6/0x1e0 [ 5898.998586][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5898.998586][ T74] [ 5899.000576][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5899.000576][ T74] netdev_get_by_index+0x5e/0x80 [ 5899.000576][ T74] fib6_nh_init+0x3d8/0x1580 [ 5899.000576][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5899.000576][ T74] ip6_route_add+0x1c/0x140 [ 5899.000576][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5899.000576][ T74] addrconf_add_dev+0xe2/0x170 [ 5899.000576][ T74] inet6_addr_add+0x12f/0xa40 [ 5899.000576][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5899.000576][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5899.000576][ T74] netlink_rcv_skb+0x130/0x360 [ 5899.000576][ T74] netlink_unicast+0x449/0x710 [ 5899.000576][ T74] netlink_sendmsg+0x723/0xbe0 [ 5899.000576][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5899.000576][ T74] ___sys_sendmsg+0xee/0x170 [ 5899.000576][ T74] __sys_sendmsg+0xcd/0x170 [ 5899.000576][ T74] do_syscall_64+0xc6/0x1e0 [ 5899.000576][ T74] [ 5899.002539][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5899.002539][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5899.002539][ T74] ipv6_find_idev+0x102/0x170 [ 5899.002539][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5899.002539][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5899.002539][ T74] netlink_rcv_skb+0x130/0x360 [ 5899.002539][ T74] netlink_unicast+0x449/0x710 [ 5899.002539][ T74] netlink_sendmsg+0x723/0xbe0 [ 5899.002539][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5899.002539][ T74] ___sys_sendmsg+0xee/0x170 [ 5899.002539][ T74] __sys_sendmsg+0xcd/0x170 [ 5899.002539][ T74] do_syscall_64+0xc6/0x1e0 [ 5899.002539][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5899.002539][ T74] [ 5899.004083][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5899.004083][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5899.004083][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5899.004083][ T74] ipv6_find_idev+0x102/0x170 [ 5899.004083][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5899.004083][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5899.004083][ T74] netlink_rcv_skb+0x130/0x360 [ 5899.004083][ T74] netlink_unicast+0x449/0x710 [ 5899.004083][ T74] netlink_sendmsg+0x723/0xbe0 [ 5899.004083][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5899.004083][ T74] ___sys_sendmsg+0xee/0x170 [ 5899.004083][ T74] __sys_sendmsg+0xcd/0x170 [ 5899.004083][ T74] do_syscall_64+0xc6/0x1e0 [ 5899.004083][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5899.004083][ T74] [ 5899.005764][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5899.006058][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5899.006058][ T74] dst_init+0x84/0x4a0 [ 5899.006058][ T74] dst_alloc+0x97/0x150 [ 5899.006058][ T74] ip6_dst_alloc+0x23/0x90 [ 5899.006058][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5899.006058][ T74] ip6_pol_route+0x56f/0x840 [ 5899.006058][ T74] fib6_rule_lookup+0x456/0x630 [ 5899.006058][ T74] ip6_route_input+0x59c/0xa50 [ 5899.006058][ T74] ipv6_rcv+0x397/0x810 [ 5899.006058][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5899.006058][ T74] process_backlog+0x101/0x620 [ 5899.006058][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5899.006058][ T74] net_rx_action+0x495/0xbe0 [ 5899.006058][ T74] __do_softirq+0x1b5/0x7f6 [ 5899.006058][ T74] [ 5899.007695][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5899.007695][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5899.007695][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5899.007695][ T74] fib6_nh_init+0xa22/0x1580 [ 5899.007695][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5899.007695][ T74] ip6_route_add+0x1c/0x140 [ 5899.007695][ T74] inet6_rtm_newroute+0x104/0x110 [ 5899.007695][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5899.007695][ T74] netlink_rcv_skb+0x130/0x360 [ 5899.007695][ T74] netlink_unicast+0x449/0x710 [ 5899.007695][ T74] netlink_sendmsg+0x723/0xbe0 [ 5899.007695][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5899.007695][ T74] ___sys_sendmsg+0xee/0x170 [ 5899.007695][ T74] __sys_sendmsg+0xcd/0x170 [ 5899.007695][ T74] do_syscall_64+0xc6/0x1e0 [ 5899.007695][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5899.007695][ T74] [ 5899.009561][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5899.009561][ T74] netdev_get_by_index+0x5e/0x80 [ 5899.009561][ T74] fib6_nh_init+0x3d8/0x1580 [ 5899.009561][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5899.009561][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5899.009561][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5899.009561][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5899.009561][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5899.009561][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5899.009561][ T74] addrconf_dad_begin+0x310/0x670 [ 5899.009561][ T74] addrconf_dad_work+0x10b/0xab0 [ 5899.009561][ T74] process_one_work+0x84d/0x18a0 [ 5899.009561][ T74] worker_thread+0x587/0xd30 [ 5899.009561][ T74] kthread+0x28a/0x350 [ 5899.009561][ T74] ret_from_fork+0x31/0x70 [ 5899.009561][ T74] ret_from_fork_asm+0x1a/0x30 [ 5899.009561][ T74] [ 5899.011487][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5899.011487][ T74] netdev_get_by_index+0x5e/0x80 [ 5899.011487][ T74] fib6_nh_init+0x3d8/0x1580 [ 5899.011487][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5899.011487][ T74] ip6_route_add+0x1c/0x140 [ 5899.011487][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5899.011487][ T74] inet6_addr_add+0x4f8/0xa40 [ 5899.011487][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5899.011487][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5899.011487][ T74] netlink_rcv_skb+0x130/0x360 [ 5899.011487][ T74] netlink_unicast+0x449/0x710 [ 5899.011487][ T74] netlink_sendmsg+0x723/0xbe0 [ 5899.011487][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5899.011487][ T74] ___sys_sendmsg+0xee/0x170 [ 5899.011487][ T74] __sys_sendmsg+0xcd/0x170 [ 5899.011487][ T74] do_syscall_64+0xc6/0x1e0 [ 5899.011487][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5899.011487][ T74] [ 5899.013480][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5899.013480][ T74] netdev_get_by_index+0x5e/0x80 [ 5899.013480][ T74] fib6_nh_init+0x3d8/0x1580 [ 5899.013480][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5899.013480][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5899.013480][ T74] ipv6_add_addr+0x411/0x2000 [ 5899.013480][ T74] inet6_addr_add+0x30e/0xa40 [ 5899.013480][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5899.013480][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5899.013480][ T74] netlink_rcv_skb+0x130/0x360 [ 5899.013480][ T74] netlink_unicast+0x449/0x710 [ 5899.013480][ T74] netlink_sendmsg+0x723/0xbe0 [ 5899.013480][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5899.013480][ T74] ___sys_sendmsg+0xee/0x170 [ 5899.013480][ T74] __sys_sendmsg+0xcd/0x170 [ 5899.013480][ T74] do_syscall_64+0xc6/0x1e0 [ 5899.013480][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5899.013480][ T74] [ 5899.015466][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5899.015466][ T74] netdev_get_by_index+0x5e/0x80 [ 5899.015466][ T74] fib6_nh_init+0x3d8/0x1580 [ 5899.015466][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5899.015466][ T74] ip6_route_add+0x1c/0x140 [ 5899.015466][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5899.015466][ T74] addrconf_add_dev+0xe2/0x170 [ 5899.015466][ T74] inet6_addr_add+0x12f/0xa40 [ 5899.015466][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5899.015466][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5899.015466][ T74] netlink_rcv_skb+0x130/0x360 [ 5899.015466][ T74] netlink_unicast+0x449/0x710 [ 5899.015466][ T74] netlink_sendmsg+0x723/0xbe0 [ 5899.015466][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5899.015466][ T74] ___sys_sendmsg+0xee/0x170 [ 5899.015466][ T74] __sys_sendmsg+0xcd/0x170 [ 5899.015466][ T74] do_syscall_64+0xc6/0x1e0 [ 5899.015466][ T74] [ 5899.017414][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5899.017414][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5899.017414][ T74] ipv6_find_idev+0x102/0x170 [ 5899.017414][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5899.017414][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5899.017414][ T74] netlink_rcv_skb+0x130/0x360 [ 5899.017414][ T74] netlink_unicast+0x449/0x710 [ 5899.017414][ T74] netlink_sendmsg+0x723/0xbe0 [ 5899.017414][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5899.017414][ T74] ___sys_sendmsg+0xee/0x170 [ 5899.017414][ T74] __sys_sendmsg+0xcd/0x170 [ 5899.017414][ T74] do_syscall_64+0xc6/0x1e0 [ 5899.017414][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5899.017414][ T74] [ 5899.019010][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5899.019010][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5899.019010][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5899.019010][ T74] ipv6_find_idev+0x102/0x170 [ 5899.019010][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5899.019010][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5899.019010][ T74] netlink_rcv_skb+0x130/0x360 [ 5899.019010][ T74] netlink_unicast+0x449/0x710 [ 5899.019010][ T74] netlink_sendmsg+0x723/0xbe0 [ 5899.019010][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5899.019010][ T74] ___sys_sendmsg+0xee/0x170 [ 5899.019010][ T74] __sys_sendmsg+0xcd/0x170 [ 5899.019010][ T74] do_syscall_64+0xc6/0x1e0 [ 5899.019010][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5899.019010][ T74] [ 5899.020992][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5899.021231][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5899.021231][ T74] netdev_get_by_index+0x5e/0x80 [ 5899.021231][ T74] fib6_nh_init+0x3d8/0x1580 [ 5899.021231][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5899.021231][ T74] ip6_route_add+0x1c/0x140 [ 5899.021231][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5899.021231][ T74] inet6_addr_add+0x4f8/0xa40 [ 5899.021231][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5899.021231][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5899.021231][ T74] netlink_rcv_skb+0x130/0x360 [ 5899.021231][ T74] netlink_unicast+0x449/0x710 [ 5899.021231][ T74] netlink_sendmsg+0x723/0xbe0 [ 5899.021231][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5899.021231][ T74] ___sys_sendmsg+0xee/0x170 [ 5899.021231][ T74] __sys_sendmsg+0xcd/0x170 [ 5899.021231][ T74] do_syscall_64+0xc6/0x1e0 [ 5899.021231][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5899.021231][ T74] [ 5899.023468][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5899.023468][ T74] netdev_get_by_index+0x5e/0x80 [ 5899.023468][ T74] fib6_nh_init+0x3d8/0x1580 [ 5899.023468][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5899.023468][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5899.023468][ T74] ipv6_add_addr+0x411/0x2000 [ 5899.023468][ T74] inet6_addr_add+0x30e/0xa40 [ 5899.023468][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5899.023468][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5899.023468][ T74] netlink_rcv_skb+0x130/0x360 [ 5899.023468][ T74] netlink_unicast+0x449/0x710 [ 5899.023468][ T74] netlink_sendmsg+0x723/0xbe0 [ 5899.023468][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5899.023468][ T74] ___sys_sendmsg+0xee/0x170 [ 5899.023468][ T74] __sys_sendmsg+0xcd/0x170 [ 5899.023468][ T74] do_syscall_64+0xc6/0x1e0 [ 5899.023468][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5899.023468][ T74] [ 5899.025687][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5899.025687][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5899.025687][ T74] ipv6_find_idev+0x102/0x170 [ 5899.025687][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5899.025687][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5899.025687][ T74] netlink_rcv_skb+0x130/0x360 [ 5899.025687][ T74] netlink_unicast+0x449/0x710 [ 5899.025687][ T74] netlink_sendmsg+0x723/0xbe0 [ 5899.025687][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5899.025687][ T74] ___sys_sendmsg+0xee/0x170 [ 5899.025687][ T74] __sys_sendmsg+0xcd/0x170 [ 5899.025687][ T74] do_syscall_64+0xc6/0x1e0 [ 5899.025687][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5899.025687][ T74] [ 5899.027341][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5899.027341][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5899.027341][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5899.027341][ T74] ipv6_find_idev+0x102/0x170 [ 5899.027341][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5899.027341][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5899.027341][ T74] netlink_rcv_skb+0x130/0x360 [ 5899.027341][ T74] netlink_unicast+0x449/0x710 [ 5899.027341][ T74] netlink_sendmsg+0x723/0xbe0 [ 5899.027341][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5899.027341][ T74] ___sys_sendmsg+0xee/0x170 [ 5899.027341][ T74] __sys_sendmsg+0xcd/0x170 [ 5899.027341][ T74] do_syscall_64+0xc6/0x1e0 [ 5899.027341][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5899.027341][ T74] [ 5909.271896][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5909.272309][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5909.272309][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5909.272309][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5909.272309][ T74] fib6_nh_init+0xa22/0x1580 [ 5909.272309][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5909.272309][ T74] ip6_route_add+0x1c/0x140 [ 5909.272309][ T74] inet6_rtm_newroute+0x104/0x110 [ 5909.272309][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5909.272309][ T74] netlink_rcv_skb+0x130/0x360 [ 5909.272309][ T74] netlink_unicast+0x449/0x710 [ 5909.272309][ T74] netlink_sendmsg+0x723/0xbe0 [ 5909.272309][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5909.272309][ T74] ___sys_sendmsg+0xee/0x170 [ 5909.272309][ T74] __sys_sendmsg+0xcd/0x170 [ 5909.272309][ T74] do_syscall_64+0xc6/0x1e0 [ 5909.272309][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5909.272309][ T74] [ 5909.274216][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5909.274216][ T74] netdev_get_by_index+0x5e/0x80 [ 5909.274216][ T74] fib6_nh_init+0x3d8/0x1580 [ 5909.274216][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5909.274216][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5909.274216][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5909.274216][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5909.274216][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5909.274216][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5909.274216][ T74] addrconf_dad_begin+0x310/0x670 [ 5909.274216][ T74] addrconf_dad_work+0x10b/0xab0 [ 5909.274216][ T74] process_one_work+0x84d/0x18a0 [ 5909.274216][ T74] worker_thread+0x587/0xd30 [ 5909.274216][ T74] kthread+0x28a/0x350 [ 5909.274216][ T74] ret_from_fork+0x31/0x70 [ 5909.274216][ T74] ret_from_fork_asm+0x1a/0x30 [ 5909.274216][ T74] [ 5909.276130][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5909.276130][ T74] netdev_get_by_index+0x5e/0x80 [ 5909.276130][ T74] fib6_nh_init+0x3d8/0x1580 [ 5909.276130][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5909.276130][ T74] ip6_route_add+0x1c/0x140 [ 5909.276130][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5909.276130][ T74] inet6_addr_add+0x4f8/0xa40 [ 5909.276130][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5909.276130][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5909.276130][ T74] netlink_rcv_skb+0x130/0x360 [ 5909.276130][ T74] netlink_unicast+0x449/0x710 [ 5909.276130][ T74] netlink_sendmsg+0x723/0xbe0 [ 5909.276130][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5909.276130][ T74] ___sys_sendmsg+0xee/0x170 [ 5909.276130][ T74] __sys_sendmsg+0xcd/0x170 [ 5909.276130][ T74] do_syscall_64+0xc6/0x1e0 [ 5909.276130][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5909.276130][ T74] [ 5909.278145][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5909.278145][ T74] netdev_get_by_index+0x5e/0x80 [ 5909.278145][ T74] fib6_nh_init+0x3d8/0x1580 [ 5909.278145][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5909.278145][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5909.278145][ T74] ipv6_add_addr+0x411/0x2000 [ 5909.278145][ T74] inet6_addr_add+0x30e/0xa40 [ 5909.278145][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5909.278145][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5909.278145][ T74] netlink_rcv_skb+0x130/0x360 [ 5909.278145][ T74] netlink_unicast+0x449/0x710 [ 5909.278145][ T74] netlink_sendmsg+0x723/0xbe0 [ 5909.278145][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5909.278145][ T74] ___sys_sendmsg+0xee/0x170 [ 5909.278145][ T74] __sys_sendmsg+0xcd/0x170 [ 5909.278145][ T74] do_syscall_64+0xc6/0x1e0 [ 5909.278145][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5909.278145][ T74] [ 5909.280127][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5909.280127][ T74] netdev_get_by_index+0x5e/0x80 [ 5909.280127][ T74] fib6_nh_init+0x3d8/0x1580 [ 5909.280127][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5909.280127][ T74] ip6_route_add+0x1c/0x140 [ 5909.280127][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5909.280127][ T74] addrconf_add_dev+0xe2/0x170 [ 5909.280127][ T74] inet6_addr_add+0x12f/0xa40 [ 5909.280127][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5909.280127][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5909.280127][ T74] netlink_rcv_skb+0x130/0x360 [ 5909.280127][ T74] netlink_unicast+0x449/0x710 [ 5909.280127][ T74] netlink_sendmsg+0x723/0xbe0 [ 5909.280127][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5909.280127][ T74] ___sys_sendmsg+0xee/0x170 [ 5909.280127][ T74] __sys_sendmsg+0xcd/0x170 [ 5909.280127][ T74] do_syscall_64+0xc6/0x1e0 [ 5909.280127][ T74] [ 5909.282116][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5909.282116][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5909.282116][ T74] ipv6_find_idev+0x102/0x170 [ 5909.282116][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5909.282116][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5909.282116][ T74] netlink_rcv_skb+0x130/0x360 [ 5909.282116][ T74] netlink_unicast+0x449/0x710 [ 5909.282116][ T74] netlink_sendmsg+0x723/0xbe0 [ 5909.282116][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5909.282116][ T74] ___sys_sendmsg+0xee/0x170 [ 5909.282116][ T74] __sys_sendmsg+0xcd/0x170 [ 5909.282116][ T74] do_syscall_64+0xc6/0x1e0 [ 5909.282116][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5909.282116][ T74] [ 5909.283665][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5909.283665][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5909.283665][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5909.283665][ T74] ipv6_find_idev+0x102/0x170 [ 5909.283665][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5909.283665][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5909.283665][ T74] netlink_rcv_skb+0x130/0x360 [ 5909.283665][ T74] netlink_unicast+0x449/0x710 [ 5909.283665][ T74] netlink_sendmsg+0x723/0xbe0 [ 5909.283665][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5909.283665][ T74] ___sys_sendmsg+0xee/0x170 [ 5909.283665][ T74] __sys_sendmsg+0xcd/0x170 [ 5909.283665][ T74] do_syscall_64+0xc6/0x1e0 [ 5909.283665][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5909.283665][ T74] [ 5909.285346][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5909.285616][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5909.285616][ T74] dst_init+0x84/0x4a0 [ 5909.285616][ T74] dst_alloc+0x97/0x150 [ 5909.285616][ T74] ip6_dst_alloc+0x23/0x90 [ 5909.285616][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5909.285616][ T74] ip6_pol_route+0x56f/0x840 [ 5909.285616][ T74] fib6_rule_lookup+0x456/0x630 [ 5909.285616][ T74] ip6_route_input+0x59c/0xa50 [ 5909.285616][ T74] ipv6_rcv+0x397/0x810 [ 5909.285616][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5909.285616][ T74] process_backlog+0x101/0x620 [ 5909.285616][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5909.285616][ T74] net_rx_action+0x495/0xbe0 [ 5909.285616][ T74] __do_softirq+0x1b5/0x7f6 [ 5909.285616][ T74] [ 5909.287254][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5909.287254][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5909.287254][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5909.287254][ T74] fib6_nh_init+0xa22/0x1580 [ 5909.287254][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5909.287254][ T74] ip6_route_add+0x1c/0x140 [ 5909.287254][ T74] inet6_rtm_newroute+0x104/0x110 [ 5909.287254][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5909.287254][ T74] netlink_rcv_skb+0x130/0x360 [ 5909.287254][ T74] netlink_unicast+0x449/0x710 [ 5909.287254][ T74] netlink_sendmsg+0x723/0xbe0 [ 5909.287254][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5909.287254][ T74] ___sys_sendmsg+0xee/0x170 [ 5909.287254][ T74] __sys_sendmsg+0xcd/0x170 [ 5909.287254][ T74] do_syscall_64+0xc6/0x1e0 [ 5909.287254][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5909.287254][ T74] [ 5909.289125][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5909.289125][ T74] netdev_get_by_index+0x5e/0x80 [ 5909.289125][ T74] fib6_nh_init+0x3d8/0x1580 [ 5909.289125][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5909.289125][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5909.289125][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5909.289125][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5909.289125][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5909.289125][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5909.289125][ T74] addrconf_dad_begin+0x310/0x670 [ 5909.289125][ T74] addrconf_dad_work+0x10b/0xab0 [ 5909.289125][ T74] process_one_work+0x84d/0x18a0 [ 5909.289125][ T74] worker_thread+0x587/0xd30 [ 5909.289125][ T74] kthread+0x28a/0x350 [ 5909.289125][ T74] ret_from_fork+0x31/0x70 [ 5909.289125][ T74] ret_from_fork_asm+0x1a/0x30 [ 5909.289125][ T74] [ 5909.291048][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5909.291048][ T74] netdev_get_by_index+0x5e/0x80 [ 5909.291048][ T74] fib6_nh_init+0x3d8/0x1580 [ 5909.291048][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5909.291048][ T74] ip6_route_add+0x1c/0x140 [ 5909.291048][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5909.291048][ T74] inet6_addr_add+0x4f8/0xa40 [ 5909.291048][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5909.291048][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5909.291048][ T74] netlink_rcv_skb+0x130/0x360 [ 5909.291048][ T74] netlink_unicast+0x449/0x710 [ 5909.291048][ T74] netlink_sendmsg+0x723/0xbe0 [ 5909.291048][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5909.291048][ T74] ___sys_sendmsg+0xee/0x170 [ 5909.291048][ T74] __sys_sendmsg+0xcd/0x170 [ 5909.291048][ T74] do_syscall_64+0xc6/0x1e0 [ 5909.291048][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5909.291048][ T74] [ 5909.293041][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5909.293041][ T74] netdev_get_by_index+0x5e/0x80 [ 5909.293041][ T74] fib6_nh_init+0x3d8/0x1580 [ 5909.293041][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5909.293041][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5909.293041][ T74] ipv6_add_addr+0x411/0x2000 [ 5909.293041][ T74] inet6_addr_add+0x30e/0xa40 [ 5909.293041][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5909.293041][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5909.293041][ T74] netlink_rcv_skb+0x130/0x360 [ 5909.293041][ T74] netlink_unicast+0x449/0x710 [ 5909.293041][ T74] netlink_sendmsg+0x723/0xbe0 [ 5909.293041][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5909.293041][ T74] ___sys_sendmsg+0xee/0x170 [ 5909.293041][ T74] __sys_sendmsg+0xcd/0x170 [ 5909.293041][ T74] do_syscall_64+0xc6/0x1e0 [ 5909.293041][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5909.293041][ T74] [ 5909.295030][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5909.295030][ T74] netdev_get_by_index+0x5e/0x80 [ 5909.295030][ T74] fib6_nh_init+0x3d8/0x1580 [ 5909.295030][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5909.295030][ T74] ip6_route_add+0x1c/0x140 [ 5909.295030][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5909.295030][ T74] addrconf_add_dev+0xe2/0x170 [ 5909.295030][ T74] inet6_addr_add+0x12f/0xa40 [ 5909.295030][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5909.295030][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5909.295030][ T74] netlink_rcv_skb+0x130/0x360 [ 5909.295030][ T74] netlink_unicast+0x449/0x710 [ 5909.295030][ T74] netlink_sendmsg+0x723/0xbe0 [ 5909.295030][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5909.295030][ T74] ___sys_sendmsg+0xee/0x170 [ 5909.295030][ T74] __sys_sendmsg+0xcd/0x170 [ 5909.295030][ T74] do_syscall_64+0xc6/0x1e0 [ 5909.295030][ T74] [ 5909.296978][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5909.296978][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5909.296978][ T74] ipv6_find_idev+0x102/0x170 [ 5909.296978][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5909.296978][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5909.296978][ T74] netlink_rcv_skb+0x130/0x360 [ 5909.296978][ T74] netlink_unicast+0x449/0x710 [ 5909.296978][ T74] netlink_sendmsg+0x723/0xbe0 [ 5909.296978][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5909.296978][ T74] ___sys_sendmsg+0xee/0x170 [ 5909.296978][ T74] __sys_sendmsg+0xcd/0x170 [ 5909.296978][ T74] do_syscall_64+0xc6/0x1e0 [ 5909.296978][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5909.296978][ T74] [ 5909.298595][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5909.298595][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5909.298595][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5909.298595][ T74] ipv6_find_idev+0x102/0x170 [ 5909.298595][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5909.298595][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5909.298595][ T74] netlink_rcv_skb+0x130/0x360 [ 5909.298595][ T74] netlink_unicast+0x449/0x710 [ 5909.298595][ T74] netlink_sendmsg+0x723/0xbe0 [ 5909.298595][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5909.298595][ T74] ___sys_sendmsg+0xee/0x170 [ 5909.298595][ T74] __sys_sendmsg+0xcd/0x170 [ 5909.298595][ T74] do_syscall_64+0xc6/0x1e0 [ 5909.298595][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5909.298595][ T74] [ 5909.300405][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5909.300644][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5909.300644][ T74] netdev_get_by_index+0x5e/0x80 [ 5909.300644][ T74] fib6_nh_init+0x3d8/0x1580 [ 5909.300644][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5909.300644][ T74] ip6_route_add+0x1c/0x140 [ 5909.300644][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5909.300644][ T74] inet6_addr_add+0x4f8/0xa40 [ 5909.300644][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5909.300644][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5909.300644][ T74] netlink_rcv_skb+0x130/0x360 [ 5909.300644][ T74] netlink_unicast+0x449/0x710 [ 5909.300644][ T74] netlink_sendmsg+0x723/0xbe0 [ 5909.300644][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5909.300644][ T74] ___sys_sendmsg+0xee/0x170 [ 5909.300644][ T74] __sys_sendmsg+0xcd/0x170 [ 5909.300644][ T74] do_syscall_64+0xc6/0x1e0 [ 5909.300644][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5909.300644][ T74] [ 5909.302778][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5909.302778][ T74] netdev_get_by_index+0x5e/0x80 [ 5909.302778][ T74] fib6_nh_init+0x3d8/0x1580 [ 5909.302778][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5909.302778][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5909.302778][ T74] ipv6_add_addr+0x411/0x2000 [ 5909.302778][ T74] inet6_addr_add+0x30e/0xa40 [ 5909.302778][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5909.302778][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5909.302778][ T74] netlink_rcv_skb+0x130/0x360 [ 5909.302778][ T74] netlink_unicast+0x449/0x710 [ 5909.302778][ T74] netlink_sendmsg+0x723/0xbe0 [ 5909.302778][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5909.302778][ T74] ___sys_sendmsg+0xee/0x170 [ 5909.302778][ T74] __sys_sendmsg+0xcd/0x170 [ 5909.302778][ T74] do_syscall_64+0xc6/0x1e0 [ 5909.302778][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5909.302778][ T74] [ 5909.304952][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5909.304952][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5909.304952][ T74] ipv6_find_idev+0x102/0x170 [ 5909.304952][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5909.304952][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5909.304952][ T74] netlink_rcv_skb+0x130/0x360 [ 5909.304952][ T74] netlink_unicast+0x449/0x710 [ 5909.304952][ T74] netlink_sendmsg+0x723/0xbe0 [ 5909.304952][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5909.304952][ T74] ___sys_sendmsg+0xee/0x170 [ 5909.304952][ T74] __sys_sendmsg+0xcd/0x170 [ 5909.304952][ T74] do_syscall_64+0xc6/0x1e0 [ 5909.304952][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5909.304952][ T74] [ 5909.306549][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5909.306549][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5909.306549][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5909.306549][ T74] ipv6_find_idev+0x102/0x170 [ 5909.306549][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5909.306549][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5909.306549][ T74] netlink_rcv_skb+0x130/0x360 [ 5909.306549][ T74] netlink_unicast+0x449/0x710 [ 5909.306549][ T74] netlink_sendmsg+0x723/0xbe0 [ 5909.306549][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5909.306549][ T74] ___sys_sendmsg+0xee/0x170 [ 5909.306549][ T74] __sys_sendmsg+0xcd/0x170 [ 5909.306549][ T74] do_syscall_64+0xc6/0x1e0 [ 5909.306549][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5909.306549][ T74] [ 5919.359982][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5919.360409][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5919.360409][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5919.360409][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5919.360409][ T74] fib6_nh_init+0xa22/0x1580 [ 5919.360409][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5919.360409][ T74] ip6_route_add+0x1c/0x140 [ 5919.360409][ T74] inet6_rtm_newroute+0x104/0x110 [ 5919.360409][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5919.360409][ T74] netlink_rcv_skb+0x130/0x360 [ 5919.360409][ T74] netlink_unicast+0x449/0x710 [ 5919.360409][ T74] netlink_sendmsg+0x723/0xbe0 [ 5919.360409][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5919.360409][ T74] ___sys_sendmsg+0xee/0x170 [ 5919.360409][ T74] __sys_sendmsg+0xcd/0x170 [ 5919.360409][ T74] do_syscall_64+0xc6/0x1e0 [ 5919.360409][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5919.360409][ T74] [ 5919.362324][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5919.362324][ T74] netdev_get_by_index+0x5e/0x80 [ 5919.362324][ T74] fib6_nh_init+0x3d8/0x1580 [ 5919.362324][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5919.362324][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5919.362324][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5919.362324][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5919.362324][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5919.362324][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5919.362324][ T74] addrconf_dad_begin+0x310/0x670 [ 5919.362324][ T74] addrconf_dad_work+0x10b/0xab0 [ 5919.362324][ T74] process_one_work+0x84d/0x18a0 [ 5919.362324][ T74] worker_thread+0x587/0xd30 [ 5919.362324][ T74] kthread+0x28a/0x350 [ 5919.362324][ T74] ret_from_fork+0x31/0x70 [ 5919.362324][ T74] ret_from_fork_asm+0x1a/0x30 [ 5919.362324][ T74] [ 5919.364239][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5919.364239][ T74] netdev_get_by_index+0x5e/0x80 [ 5919.364239][ T74] fib6_nh_init+0x3d8/0x1580 [ 5919.364239][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5919.364239][ T74] ip6_route_add+0x1c/0x140 [ 5919.364239][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5919.364239][ T74] inet6_addr_add+0x4f8/0xa40 [ 5919.364239][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5919.364239][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5919.364239][ T74] netlink_rcv_skb+0x130/0x360 [ 5919.364239][ T74] netlink_unicast+0x449/0x710 [ 5919.364239][ T74] netlink_sendmsg+0x723/0xbe0 [ 5919.364239][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5919.364239][ T74] ___sys_sendmsg+0xee/0x170 [ 5919.364239][ T74] __sys_sendmsg+0xcd/0x170 [ 5919.364239][ T74] do_syscall_64+0xc6/0x1e0 [ 5919.364239][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5919.364239][ T74] [ 5919.366227][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5919.366227][ T74] netdev_get_by_index+0x5e/0x80 [ 5919.366227][ T74] fib6_nh_init+0x3d8/0x1580 [ 5919.366227][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5919.366227][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5919.366227][ T74] ipv6_add_addr+0x411/0x2000 [ 5919.366227][ T74] inet6_addr_add+0x30e/0xa40 [ 5919.366227][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5919.366227][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5919.366227][ T74] netlink_rcv_skb+0x130/0x360 [ 5919.366227][ T74] netlink_unicast+0x449/0x710 [ 5919.366227][ T74] netlink_sendmsg+0x723/0xbe0 [ 5919.366227][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5919.366227][ T74] ___sys_sendmsg+0xee/0x170 [ 5919.366227][ T74] __sys_sendmsg+0xcd/0x170 [ 5919.366227][ T74] do_syscall_64+0xc6/0x1e0 [ 5919.366227][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5919.366227][ T74] [ 5919.368219][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5919.368219][ T74] netdev_get_by_index+0x5e/0x80 [ 5919.368219][ T74] fib6_nh_init+0x3d8/0x1580 [ 5919.368219][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5919.368219][ T74] ip6_route_add+0x1c/0x140 [ 5919.368219][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5919.368219][ T74] addrconf_add_dev+0xe2/0x170 [ 5919.368219][ T74] inet6_addr_add+0x12f/0xa40 [ 5919.368219][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5919.368219][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5919.368219][ T74] netlink_rcv_skb+0x130/0x360 [ 5919.368219][ T74] netlink_unicast+0x449/0x710 [ 5919.368219][ T74] netlink_sendmsg+0x723/0xbe0 [ 5919.368219][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5919.368219][ T74] ___sys_sendmsg+0xee/0x170 [ 5919.368219][ T74] __sys_sendmsg+0xcd/0x170 [ 5919.368219][ T74] do_syscall_64+0xc6/0x1e0 [ 5919.368219][ T74] [ 5919.370181][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5919.370181][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5919.370181][ T74] ipv6_find_idev+0x102/0x170 [ 5919.370181][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5919.370181][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5919.370181][ T74] netlink_rcv_skb+0x130/0x360 [ 5919.370181][ T74] netlink_unicast+0x449/0x710 [ 5919.370181][ T74] netlink_sendmsg+0x723/0xbe0 [ 5919.370181][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5919.370181][ T74] ___sys_sendmsg+0xee/0x170 [ 5919.370181][ T74] __sys_sendmsg+0xcd/0x170 [ 5919.370181][ T74] do_syscall_64+0xc6/0x1e0 [ 5919.370181][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5919.370181][ T74] [ 5919.371738][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5919.371738][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5919.371738][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5919.371738][ T74] ipv6_find_idev+0x102/0x170 [ 5919.371738][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5919.371738][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5919.371738][ T74] netlink_rcv_skb+0x130/0x360 [ 5919.371738][ T74] netlink_unicast+0x449/0x710 [ 5919.371738][ T74] netlink_sendmsg+0x723/0xbe0 [ 5919.371738][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5919.371738][ T74] ___sys_sendmsg+0xee/0x170 [ 5919.371738][ T74] __sys_sendmsg+0xcd/0x170 [ 5919.371738][ T74] do_syscall_64+0xc6/0x1e0 [ 5919.371738][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5919.371738][ T74] [ 5919.373423][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5919.373697][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5919.373697][ T74] dst_init+0x84/0x4a0 [ 5919.373697][ T74] dst_alloc+0x97/0x150 [ 5919.373697][ T74] ip6_dst_alloc+0x23/0x90 [ 5919.373697][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5919.373697][ T74] ip6_pol_route+0x56f/0x840 [ 5919.373697][ T74] fib6_rule_lookup+0x456/0x630 [ 5919.373697][ T74] ip6_route_input+0x59c/0xa50 [ 5919.373697][ T74] ipv6_rcv+0x397/0x810 [ 5919.373697][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5919.373697][ T74] process_backlog+0x101/0x620 [ 5919.373697][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5919.373697][ T74] net_rx_action+0x495/0xbe0 [ 5919.373697][ T74] __do_softirq+0x1b5/0x7f6 [ 5919.373697][ T74] [ 5919.375343][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5919.375343][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5919.375343][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5919.375343][ T74] fib6_nh_init+0xa22/0x1580 [ 5919.375343][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5919.375343][ T74] ip6_route_add+0x1c/0x140 [ 5919.375343][ T74] inet6_rtm_newroute+0x104/0x110 [ 5919.375343][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5919.375343][ T74] netlink_rcv_skb+0x130/0x360 [ 5919.375343][ T74] netlink_unicast+0x449/0x710 [ 5919.375343][ T74] netlink_sendmsg+0x723/0xbe0 [ 5919.375343][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5919.375343][ T74] ___sys_sendmsg+0xee/0x170 [ 5919.375343][ T74] __sys_sendmsg+0xcd/0x170 [ 5919.375343][ T74] do_syscall_64+0xc6/0x1e0 [ 5919.375343][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5919.375343][ T74] [ 5919.377222][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5919.377222][ T74] netdev_get_by_index+0x5e/0x80 [ 5919.377222][ T74] fib6_nh_init+0x3d8/0x1580 [ 5919.377222][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5919.377222][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5919.377222][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5919.377222][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5919.377222][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5919.377222][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5919.377222][ T74] addrconf_dad_begin+0x310/0x670 [ 5919.377222][ T74] addrconf_dad_work+0x10b/0xab0 [ 5919.377222][ T74] process_one_work+0x84d/0x18a0 [ 5919.377222][ T74] worker_thread+0x587/0xd30 [ 5919.377222][ T74] kthread+0x28a/0x350 [ 5919.377222][ T74] ret_from_fork+0x31/0x70 [ 5919.377222][ T74] ret_from_fork_asm+0x1a/0x30 [ 5919.377222][ T74] [ 5919.379129][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5919.379129][ T74] netdev_get_by_index+0x5e/0x80 [ 5919.379129][ T74] fib6_nh_init+0x3d8/0x1580 [ 5919.379129][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5919.379129][ T74] ip6_route_add+0x1c/0x140 [ 5919.379129][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5919.379129][ T74] inet6_addr_add+0x4f8/0xa40 [ 5919.379129][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5919.379129][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5919.379129][ T74] netlink_rcv_skb+0x130/0x360 [ 5919.379129][ T74] netlink_unicast+0x449/0x710 [ 5919.379129][ T74] netlink_sendmsg+0x723/0xbe0 [ 5919.379129][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5919.379129][ T74] ___sys_sendmsg+0xee/0x170 [ 5919.379129][ T74] __sys_sendmsg+0xcd/0x170 [ 5919.379129][ T74] do_syscall_64+0xc6/0x1e0 [ 5919.379129][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5919.379129][ T74] [ 5919.381120][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5919.381120][ T74] netdev_get_by_index+0x5e/0x80 [ 5919.381120][ T74] fib6_nh_init+0x3d8/0x1580 [ 5919.381120][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5919.381120][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5919.381120][ T74] ipv6_add_addr+0x411/0x2000 [ 5919.381120][ T74] inet6_addr_add+0x30e/0xa40 [ 5919.381120][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5919.381120][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5919.381120][ T74] netlink_rcv_skb+0x130/0x360 [ 5919.381120][ T74] netlink_unicast+0x449/0x710 [ 5919.381120][ T74] netlink_sendmsg+0x723/0xbe0 [ 5919.381120][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5919.381120][ T74] ___sys_sendmsg+0xee/0x170 [ 5919.381120][ T74] __sys_sendmsg+0xcd/0x170 [ 5919.381120][ T74] do_syscall_64+0xc6/0x1e0 [ 5919.381120][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5919.381120][ T74] [ 5919.383106][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5919.383106][ T74] netdev_get_by_index+0x5e/0x80 [ 5919.383106][ T74] fib6_nh_init+0x3d8/0x1580 [ 5919.383106][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5919.383106][ T74] ip6_route_add+0x1c/0x140 [ 5919.383106][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5919.383106][ T74] addrconf_add_dev+0xe2/0x170 [ 5919.383106][ T74] inet6_addr_add+0x12f/0xa40 [ 5919.383106][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5919.383106][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5919.383106][ T74] netlink_rcv_skb+0x130/0x360 [ 5919.383106][ T74] netlink_unicast+0x449/0x710 [ 5919.383106][ T74] netlink_sendmsg+0x723/0xbe0 [ 5919.383106][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5919.383106][ T74] ___sys_sendmsg+0xee/0x170 [ 5919.383106][ T74] __sys_sendmsg+0xcd/0x170 [ 5919.383106][ T74] do_syscall_64+0xc6/0x1e0 [ 5919.383106][ T74] [ 5919.385051][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5919.385051][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5919.385051][ T74] ipv6_find_idev+0x102/0x170 [ 5919.385051][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5919.385051][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5919.385051][ T74] netlink_rcv_skb+0x130/0x360 [ 5919.385051][ T74] netlink_unicast+0x449/0x710 [ 5919.385051][ T74] netlink_sendmsg+0x723/0xbe0 [ 5919.385051][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5919.385051][ T74] ___sys_sendmsg+0xee/0x170 [ 5919.385051][ T74] __sys_sendmsg+0xcd/0x170 [ 5919.385051][ T74] do_syscall_64+0xc6/0x1e0 [ 5919.385051][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5919.385051][ T74] [ 5919.386700][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5919.386700][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5919.386700][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5919.386700][ T74] ipv6_find_idev+0x102/0x170 [ 5919.386700][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5919.386700][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5919.386700][ T74] netlink_rcv_skb+0x130/0x360 [ 5919.386700][ T74] netlink_unicast+0x449/0x710 [ 5919.386700][ T74] netlink_sendmsg+0x723/0xbe0 [ 5919.386700][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5919.386700][ T74] ___sys_sendmsg+0xee/0x170 [ 5919.386700][ T74] __sys_sendmsg+0xcd/0x170 [ 5919.386700][ T74] do_syscall_64+0xc6/0x1e0 [ 5919.386700][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5919.386700][ T74] [ 5919.388631][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5919.388873][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5919.388873][ T74] netdev_get_by_index+0x5e/0x80 [ 5919.388873][ T74] fib6_nh_init+0x3d8/0x1580 [ 5919.388873][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5919.388873][ T74] ip6_route_add+0x1c/0x140 [ 5919.388873][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5919.388873][ T74] inet6_addr_add+0x4f8/0xa40 [ 5919.388873][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5919.388873][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5919.388873][ T74] netlink_rcv_skb+0x130/0x360 [ 5919.388873][ T74] netlink_unicast+0x449/0x710 [ 5919.388873][ T74] netlink_sendmsg+0x723/0xbe0 [ 5919.388873][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5919.388873][ T74] ___sys_sendmsg+0xee/0x170 [ 5919.388873][ T74] __sys_sendmsg+0xcd/0x170 [ 5919.388873][ T74] do_syscall_64+0xc6/0x1e0 [ 5919.388873][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5919.388873][ T74] [ 5919.391111][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5919.391111][ T74] netdev_get_by_index+0x5e/0x80 [ 5919.391111][ T74] fib6_nh_init+0x3d8/0x1580 [ 5919.391111][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5919.391111][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5919.391111][ T74] ipv6_add_addr+0x411/0x2000 [ 5919.391111][ T74] inet6_addr_add+0x30e/0xa40 [ 5919.391111][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5919.391111][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5919.391111][ T74] netlink_rcv_skb+0x130/0x360 [ 5919.391111][ T74] netlink_unicast+0x449/0x710 [ 5919.391111][ T74] netlink_sendmsg+0x723/0xbe0 [ 5919.391111][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5919.391111][ T74] ___sys_sendmsg+0xee/0x170 [ 5919.391111][ T74] __sys_sendmsg+0xcd/0x170 [ 5919.391111][ T74] do_syscall_64+0xc6/0x1e0 [ 5919.391111][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5919.391111][ T74] [ 5919.393347][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5919.393347][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5919.393347][ T74] ipv6_find_idev+0x102/0x170 [ 5919.393347][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5919.393347][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5919.393347][ T74] netlink_rcv_skb+0x130/0x360 [ 5919.393347][ T74] netlink_unicast+0x449/0x710 [ 5919.393347][ T74] netlink_sendmsg+0x723/0xbe0 [ 5919.393347][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5919.393347][ T74] ___sys_sendmsg+0xee/0x170 [ 5919.393347][ T74] __sys_sendmsg+0xcd/0x170 [ 5919.393347][ T74] do_syscall_64+0xc6/0x1e0 [ 5919.393347][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5919.393347][ T74] [ 5919.395064][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5919.395064][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5919.395064][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5919.395064][ T74] ipv6_find_idev+0x102/0x170 [ 5919.395064][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5919.395064][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5919.395064][ T74] netlink_rcv_skb+0x130/0x360 [ 5919.395064][ T74] netlink_unicast+0x449/0x710 [ 5919.395064][ T74] netlink_sendmsg+0x723/0xbe0 [ 5919.395064][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5919.395064][ T74] ___sys_sendmsg+0xee/0x170 [ 5919.395064][ T74] __sys_sendmsg+0xcd/0x170 [ 5919.395064][ T74] do_syscall_64+0xc6/0x1e0 [ 5919.395064][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5919.395064][ T74] [ 5929.639969][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5929.640385][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5929.640385][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5929.640385][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5929.640385][ T74] fib6_nh_init+0xa22/0x1580 [ 5929.640385][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5929.640385][ T74] ip6_route_add+0x1c/0x140 [ 5929.640385][ T74] inet6_rtm_newroute+0x104/0x110 [ 5929.640385][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5929.640385][ T74] netlink_rcv_skb+0x130/0x360 [ 5929.640385][ T74] netlink_unicast+0x449/0x710 [ 5929.640385][ T74] netlink_sendmsg+0x723/0xbe0 [ 5929.640385][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5929.640385][ T74] ___sys_sendmsg+0xee/0x170 [ 5929.640385][ T74] __sys_sendmsg+0xcd/0x170 [ 5929.640385][ T74] do_syscall_64+0xc6/0x1e0 [ 5929.640385][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5929.640385][ T74] [ 5929.642297][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5929.642297][ T74] netdev_get_by_index+0x5e/0x80 [ 5929.642297][ T74] fib6_nh_init+0x3d8/0x1580 [ 5929.642297][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5929.642297][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5929.642297][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5929.642297][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5929.642297][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5929.642297][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5929.642297][ T74] addrconf_dad_begin+0x310/0x670 [ 5929.642297][ T74] addrconf_dad_work+0x10b/0xab0 [ 5929.642297][ T74] process_one_work+0x84d/0x18a0 [ 5929.642297][ T74] worker_thread+0x587/0xd30 [ 5929.642297][ T74] kthread+0x28a/0x350 [ 5929.642297][ T74] ret_from_fork+0x31/0x70 [ 5929.642297][ T74] ret_from_fork_asm+0x1a/0x30 [ 5929.642297][ T74] [ 5929.644201][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5929.644201][ T74] netdev_get_by_index+0x5e/0x80 [ 5929.644201][ T74] fib6_nh_init+0x3d8/0x1580 [ 5929.644201][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5929.644201][ T74] ip6_route_add+0x1c/0x140 [ 5929.644201][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5929.644201][ T74] inet6_addr_add+0x4f8/0xa40 [ 5929.644201][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5929.644201][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5929.644201][ T74] netlink_rcv_skb+0x130/0x360 [ 5929.644201][ T74] netlink_unicast+0x449/0x710 [ 5929.644201][ T74] netlink_sendmsg+0x723/0xbe0 [ 5929.644201][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5929.644201][ T74] ___sys_sendmsg+0xee/0x170 [ 5929.644201][ T74] __sys_sendmsg+0xcd/0x170 [ 5929.644201][ T74] do_syscall_64+0xc6/0x1e0 [ 5929.644201][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5929.644201][ T74] [ 5929.646293][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5929.646293][ T74] netdev_get_by_index+0x5e/0x80 [ 5929.646293][ T74] fib6_nh_init+0x3d8/0x1580 [ 5929.646293][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5929.646293][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5929.646293][ T74] ipv6_add_addr+0x411/0x2000 [ 5929.646293][ T74] inet6_addr_add+0x30e/0xa40 [ 5929.646293][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5929.646293][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5929.646293][ T74] netlink_rcv_skb+0x130/0x360 [ 5929.646293][ T74] netlink_unicast+0x449/0x710 [ 5929.646293][ T74] netlink_sendmsg+0x723/0xbe0 [ 5929.646293][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5929.646293][ T74] ___sys_sendmsg+0xee/0x170 [ 5929.646293][ T74] __sys_sendmsg+0xcd/0x170 [ 5929.646293][ T74] do_syscall_64+0xc6/0x1e0 [ 5929.646293][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5929.646293][ T74] [ 5929.648292][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5929.648292][ T74] netdev_get_by_index+0x5e/0x80 [ 5929.648292][ T74] fib6_nh_init+0x3d8/0x1580 [ 5929.648292][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5929.648292][ T74] ip6_route_add+0x1c/0x140 [ 5929.648292][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5929.648292][ T74] addrconf_add_dev+0xe2/0x170 [ 5929.648292][ T74] inet6_addr_add+0x12f/0xa40 [ 5929.648292][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5929.648292][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5929.648292][ T74] netlink_rcv_skb+0x130/0x360 [ 5929.648292][ T74] netlink_unicast+0x449/0x710 [ 5929.648292][ T74] netlink_sendmsg+0x723/0xbe0 [ 5929.648292][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5929.648292][ T74] ___sys_sendmsg+0xee/0x170 [ 5929.648292][ T74] __sys_sendmsg+0xcd/0x170 [ 5929.648292][ T74] do_syscall_64+0xc6/0x1e0 [ 5929.648292][ T74] [ 5929.650260][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5929.650260][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5929.650260][ T74] ipv6_find_idev+0x102/0x170 [ 5929.650260][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5929.650260][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5929.650260][ T74] netlink_rcv_skb+0x130/0x360 [ 5929.650260][ T74] netlink_unicast+0x449/0x710 [ 5929.650260][ T74] netlink_sendmsg+0x723/0xbe0 [ 5929.650260][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5929.650260][ T74] ___sys_sendmsg+0xee/0x170 [ 5929.650260][ T74] __sys_sendmsg+0xcd/0x170 [ 5929.650260][ T74] do_syscall_64+0xc6/0x1e0 [ 5929.650260][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5929.650260][ T74] [ 5929.651801][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5929.651801][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5929.651801][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5929.651801][ T74] ipv6_find_idev+0x102/0x170 [ 5929.651801][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5929.651801][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5929.651801][ T74] netlink_rcv_skb+0x130/0x360 [ 5929.651801][ T74] netlink_unicast+0x449/0x710 [ 5929.651801][ T74] netlink_sendmsg+0x723/0xbe0 [ 5929.651801][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5929.651801][ T74] ___sys_sendmsg+0xee/0x170 [ 5929.651801][ T74] __sys_sendmsg+0xcd/0x170 [ 5929.651801][ T74] do_syscall_64+0xc6/0x1e0 [ 5929.651801][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5929.651801][ T74] [ 5929.653482][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5929.653757][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5929.653757][ T74] dst_init+0x84/0x4a0 [ 5929.653757][ T74] dst_alloc+0x97/0x150 [ 5929.653757][ T74] ip6_dst_alloc+0x23/0x90 [ 5929.653757][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5929.653757][ T74] ip6_pol_route+0x56f/0x840 [ 5929.653757][ T74] fib6_rule_lookup+0x456/0x630 [ 5929.653757][ T74] ip6_route_input+0x59c/0xa50 [ 5929.653757][ T74] ipv6_rcv+0x397/0x810 [ 5929.653757][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5929.653757][ T74] process_backlog+0x101/0x620 [ 5929.653757][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5929.653757][ T74] net_rx_action+0x495/0xbe0 [ 5929.653757][ T74] __do_softirq+0x1b5/0x7f6 [ 5929.653757][ T74] [ 5929.655390][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5929.655390][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5929.655390][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5929.655390][ T74] fib6_nh_init+0xa22/0x1580 [ 5929.655390][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5929.655390][ T74] ip6_route_add+0x1c/0x140 [ 5929.655390][ T74] inet6_rtm_newroute+0x104/0x110 [ 5929.655390][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5929.655390][ T74] netlink_rcv_skb+0x130/0x360 [ 5929.655390][ T74] netlink_unicast+0x449/0x710 [ 5929.655390][ T74] netlink_sendmsg+0x723/0xbe0 [ 5929.655390][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5929.655390][ T74] ___sys_sendmsg+0xee/0x170 [ 5929.655390][ T74] __sys_sendmsg+0xcd/0x170 [ 5929.655390][ T74] do_syscall_64+0xc6/0x1e0 [ 5929.655390][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5929.655390][ T74] [ 5929.657258][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5929.657258][ T74] netdev_get_by_index+0x5e/0x80 [ 5929.657258][ T74] fib6_nh_init+0x3d8/0x1580 [ 5929.657258][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5929.657258][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5929.657258][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5929.657258][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5929.657258][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5929.657258][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5929.657258][ T74] addrconf_dad_begin+0x310/0x670 [ 5929.657258][ T74] addrconf_dad_work+0x10b/0xab0 [ 5929.657258][ T74] process_one_work+0x84d/0x18a0 [ 5929.657258][ T74] worker_thread+0x587/0xd30 [ 5929.657258][ T74] kthread+0x28a/0x350 [ 5929.657258][ T74] ret_from_fork+0x31/0x70 [ 5929.657258][ T74] ret_from_fork_asm+0x1a/0x30 [ 5929.657258][ T74] [ 5929.659163][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5929.659163][ T74] netdev_get_by_index+0x5e/0x80 [ 5929.659163][ T74] fib6_nh_init+0x3d8/0x1580 [ 5929.659163][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5929.659163][ T74] ip6_route_add+0x1c/0x140 [ 5929.659163][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5929.659163][ T74] inet6_addr_add+0x4f8/0xa40 [ 5929.659163][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5929.659163][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5929.659163][ T74] netlink_rcv_skb+0x130/0x360 [ 5929.659163][ T74] netlink_unicast+0x449/0x710 [ 5929.659163][ T74] netlink_sendmsg+0x723/0xbe0 [ 5929.659163][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5929.659163][ T74] ___sys_sendmsg+0xee/0x170 [ 5929.659163][ T74] __sys_sendmsg+0xcd/0x170 [ 5929.659163][ T74] do_syscall_64+0xc6/0x1e0 [ 5929.659163][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5929.659163][ T74] [ 5929.661169][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5929.661169][ T74] netdev_get_by_index+0x5e/0x80 [ 5929.661169][ T74] fib6_nh_init+0x3d8/0x1580 [ 5929.661169][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5929.661169][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5929.661169][ T74] ipv6_add_addr+0x411/0x2000 [ 5929.661169][ T74] inet6_addr_add+0x30e/0xa40 [ 5929.661169][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5929.661169][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5929.661169][ T74] netlink_rcv_skb+0x130/0x360 [ 5929.661169][ T74] netlink_unicast+0x449/0x710 [ 5929.661169][ T74] netlink_sendmsg+0x723/0xbe0 [ 5929.661169][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5929.661169][ T74] ___sys_sendmsg+0xee/0x170 [ 5929.661169][ T74] __sys_sendmsg+0xcd/0x170 [ 5929.661169][ T74] do_syscall_64+0xc6/0x1e0 [ 5929.661169][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5929.661169][ T74] [ 5929.663157][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5929.663157][ T74] netdev_get_by_index+0x5e/0x80 [ 5929.663157][ T74] fib6_nh_init+0x3d8/0x1580 [ 5929.663157][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5929.663157][ T74] ip6_route_add+0x1c/0x140 [ 5929.663157][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5929.663157][ T74] addrconf_add_dev+0xe2/0x170 [ 5929.663157][ T74] inet6_addr_add+0x12f/0xa40 [ 5929.663157][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5929.663157][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5929.663157][ T74] netlink_rcv_skb+0x130/0x360 [ 5929.663157][ T74] netlink_unicast+0x449/0x710 [ 5929.663157][ T74] netlink_sendmsg+0x723/0xbe0 [ 5929.663157][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5929.663157][ T74] ___sys_sendmsg+0xee/0x170 [ 5929.663157][ T74] __sys_sendmsg+0xcd/0x170 [ 5929.663157][ T74] do_syscall_64+0xc6/0x1e0 [ 5929.663157][ T74] [ 5929.665129][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5929.665129][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5929.665129][ T74] ipv6_find_idev+0x102/0x170 [ 5929.665129][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5929.665129][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5929.665129][ T74] netlink_rcv_skb+0x130/0x360 [ 5929.665129][ T74] netlink_unicast+0x449/0x710 [ 5929.665129][ T74] netlink_sendmsg+0x723/0xbe0 [ 5929.665129][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5929.665129][ T74] ___sys_sendmsg+0xee/0x170 [ 5929.665129][ T74] __sys_sendmsg+0xcd/0x170 [ 5929.665129][ T74] do_syscall_64+0xc6/0x1e0 [ 5929.665129][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5929.665129][ T74] [ 5929.666784][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5929.666784][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5929.666784][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5929.666784][ T74] ipv6_find_idev+0x102/0x170 [ 5929.666784][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5929.666784][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5929.666784][ T74] netlink_rcv_skb+0x130/0x360 [ 5929.666784][ T74] netlink_unicast+0x449/0x710 [ 5929.666784][ T74] netlink_sendmsg+0x723/0xbe0 [ 5929.666784][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5929.666784][ T74] ___sys_sendmsg+0xee/0x170 [ 5929.666784][ T74] __sys_sendmsg+0xcd/0x170 [ 5929.666784][ T74] do_syscall_64+0xc6/0x1e0 [ 5929.666784][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5929.666784][ T74] [ 5929.668759][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5929.669004][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5929.669004][ T74] netdev_get_by_index+0x5e/0x80 [ 5929.669004][ T74] fib6_nh_init+0x3d8/0x1580 [ 5929.669004][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5929.669004][ T74] ip6_route_add+0x1c/0x140 [ 5929.669004][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5929.669004][ T74] inet6_addr_add+0x4f8/0xa40 [ 5929.669004][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5929.669004][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5929.669004][ T74] netlink_rcv_skb+0x130/0x360 [ 5929.669004][ T74] netlink_unicast+0x449/0x710 [ 5929.669004][ T74] netlink_sendmsg+0x723/0xbe0 [ 5929.669004][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5929.669004][ T74] ___sys_sendmsg+0xee/0x170 [ 5929.669004][ T74] __sys_sendmsg+0xcd/0x170 [ 5929.669004][ T74] do_syscall_64+0xc6/0x1e0 [ 5929.669004][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5929.669004][ T74] [ 5929.671231][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5929.671231][ T74] netdev_get_by_index+0x5e/0x80 [ 5929.671231][ T74] fib6_nh_init+0x3d8/0x1580 [ 5929.671231][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5929.671231][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5929.671231][ T74] ipv6_add_addr+0x411/0x2000 [ 5929.671231][ T74] inet6_addr_add+0x30e/0xa40 [ 5929.671231][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5929.671231][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5929.671231][ T74] netlink_rcv_skb+0x130/0x360 [ 5929.671231][ T74] netlink_unicast+0x449/0x710 [ 5929.671231][ T74] netlink_sendmsg+0x723/0xbe0 [ 5929.671231][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5929.671231][ T74] ___sys_sendmsg+0xee/0x170 [ 5929.671231][ T74] __sys_sendmsg+0xcd/0x170 [ 5929.671231][ T74] do_syscall_64+0xc6/0x1e0 [ 5929.671231][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5929.671231][ T74] [ 5929.673440][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5929.673440][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5929.673440][ T74] ipv6_find_idev+0x102/0x170 [ 5929.673440][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5929.673440][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5929.673440][ T74] netlink_rcv_skb+0x130/0x360 [ 5929.673440][ T74] netlink_unicast+0x449/0x710 [ 5929.673440][ T74] netlink_sendmsg+0x723/0xbe0 [ 5929.673440][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5929.673440][ T74] ___sys_sendmsg+0xee/0x170 [ 5929.673440][ T74] __sys_sendmsg+0xcd/0x170 [ 5929.673440][ T74] do_syscall_64+0xc6/0x1e0 [ 5929.673440][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5929.673440][ T74] [ 5929.675091][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5929.675091][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5929.675091][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5929.675091][ T74] ipv6_find_idev+0x102/0x170 [ 5929.675091][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5929.675091][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5929.675091][ T74] netlink_rcv_skb+0x130/0x360 [ 5929.675091][ T74] netlink_unicast+0x449/0x710 [ 5929.675091][ T74] netlink_sendmsg+0x723/0xbe0 [ 5929.675091][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5929.675091][ T74] ___sys_sendmsg+0xee/0x170 [ 5929.675091][ T74] __sys_sendmsg+0xcd/0x170 [ 5929.675091][ T74] do_syscall_64+0xc6/0x1e0 [ 5929.675091][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5929.675091][ T74] [ 5939.919959][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5939.920388][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5939.920388][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5939.920388][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5939.920388][ T74] fib6_nh_init+0xa22/0x1580 [ 5939.920388][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5939.920388][ T74] ip6_route_add+0x1c/0x140 [ 5939.920388][ T74] inet6_rtm_newroute+0x104/0x110 [ 5939.920388][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5939.920388][ T74] netlink_rcv_skb+0x130/0x360 [ 5939.920388][ T74] netlink_unicast+0x449/0x710 [ 5939.920388][ T74] netlink_sendmsg+0x723/0xbe0 [ 5939.920388][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5939.920388][ T74] ___sys_sendmsg+0xee/0x170 [ 5939.920388][ T74] __sys_sendmsg+0xcd/0x170 [ 5939.920388][ T74] do_syscall_64+0xc6/0x1e0 [ 5939.920388][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5939.920388][ T74] [ 5939.922291][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5939.922291][ T74] netdev_get_by_index+0x5e/0x80 [ 5939.922291][ T74] fib6_nh_init+0x3d8/0x1580 [ 5939.922291][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5939.922291][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5939.922291][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5939.922291][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5939.922291][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5939.922291][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5939.922291][ T74] addrconf_dad_begin+0x310/0x670 [ 5939.922291][ T74] addrconf_dad_work+0x10b/0xab0 [ 5939.922291][ T74] process_one_work+0x84d/0x18a0 [ 5939.922291][ T74] worker_thread+0x587/0xd30 [ 5939.922291][ T74] kthread+0x28a/0x350 [ 5939.922291][ T74] ret_from_fork+0x31/0x70 [ 5939.922291][ T74] ret_from_fork_asm+0x1a/0x30 [ 5939.922291][ T74] [ 5939.924476][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5939.924476][ T74] netdev_get_by_index+0x5e/0x80 [ 5939.924476][ T74] fib6_nh_init+0x3d8/0x1580 [ 5939.924476][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5939.924476][ T74] ip6_route_add+0x1c/0x140 [ 5939.924476][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5939.924476][ T74] inet6_addr_add+0x4f8/0xa40 [ 5939.924476][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5939.924476][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5939.924476][ T74] netlink_rcv_skb+0x130/0x360 [ 5939.924476][ T74] netlink_unicast+0x449/0x710 [ 5939.924476][ T74] netlink_sendmsg+0x723/0xbe0 [ 5939.924476][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5939.924476][ T74] ___sys_sendmsg+0xee/0x170 [ 5939.924476][ T74] __sys_sendmsg+0xcd/0x170 [ 5939.924476][ T74] do_syscall_64+0xc6/0x1e0 [ 5939.924476][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5939.924476][ T74] [ 5939.926552][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5939.926552][ T74] netdev_get_by_index+0x5e/0x80 [ 5939.926552][ T74] fib6_nh_init+0x3d8/0x1580 [ 5939.926552][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5939.926552][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5939.926552][ T74] ipv6_add_addr+0x411/0x2000 [ 5939.926552][ T74] inet6_addr_add+0x30e/0xa40 [ 5939.926552][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5939.926552][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5939.926552][ T74] netlink_rcv_skb+0x130/0x360 [ 5939.926552][ T74] netlink_unicast+0x449/0x710 [ 5939.926552][ T74] netlink_sendmsg+0x723/0xbe0 [ 5939.926552][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5939.926552][ T74] ___sys_sendmsg+0xee/0x170 [ 5939.926552][ T74] __sys_sendmsg+0xcd/0x170 [ 5939.926552][ T74] do_syscall_64+0xc6/0x1e0 [ 5939.926552][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5939.926552][ T74] [ 5939.928545][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5939.928545][ T74] netdev_get_by_index+0x5e/0x80 [ 5939.928545][ T74] fib6_nh_init+0x3d8/0x1580 [ 5939.928545][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5939.928545][ T74] ip6_route_add+0x1c/0x140 [ 5939.928545][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5939.928545][ T74] addrconf_add_dev+0xe2/0x170 [ 5939.928545][ T74] inet6_addr_add+0x12f/0xa40 [ 5939.928545][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5939.928545][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5939.928545][ T74] netlink_rcv_skb+0x130/0x360 [ 5939.928545][ T74] netlink_unicast+0x449/0x710 [ 5939.928545][ T74] netlink_sendmsg+0x723/0xbe0 [ 5939.928545][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5939.928545][ T74] ___sys_sendmsg+0xee/0x170 [ 5939.928545][ T74] __sys_sendmsg+0xcd/0x170 [ 5939.928545][ T74] do_syscall_64+0xc6/0x1e0 [ 5939.928545][ T74] [ 5939.930498][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5939.930498][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5939.930498][ T74] ipv6_find_idev+0x102/0x170 [ 5939.930498][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5939.930498][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5939.930498][ T74] netlink_rcv_skb+0x130/0x360 [ 5939.930498][ T74] netlink_unicast+0x449/0x710 [ 5939.930498][ T74] netlink_sendmsg+0x723/0xbe0 [ 5939.930498][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5939.930498][ T74] ___sys_sendmsg+0xee/0x170 [ 5939.930498][ T74] __sys_sendmsg+0xcd/0x170 [ 5939.930498][ T74] do_syscall_64+0xc6/0x1e0 [ 5939.930498][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5939.930498][ T74] [ 5939.932041][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5939.932041][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5939.932041][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5939.932041][ T74] ipv6_find_idev+0x102/0x170 [ 5939.932041][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5939.932041][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5939.932041][ T74] netlink_rcv_skb+0x130/0x360 [ 5939.932041][ T74] netlink_unicast+0x449/0x710 [ 5939.932041][ T74] netlink_sendmsg+0x723/0xbe0 [ 5939.932041][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5939.932041][ T74] ___sys_sendmsg+0xee/0x170 [ 5939.932041][ T74] __sys_sendmsg+0xcd/0x170 [ 5939.932041][ T74] do_syscall_64+0xc6/0x1e0 [ 5939.932041][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5939.932041][ T74] [ 5939.933737][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5939.934028][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5939.934028][ T74] dst_init+0x84/0x4a0 [ 5939.934028][ T74] dst_alloc+0x97/0x150 [ 5939.934028][ T74] ip6_dst_alloc+0x23/0x90 [ 5939.934028][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5939.934028][ T74] ip6_pol_route+0x56f/0x840 [ 5939.934028][ T74] fib6_rule_lookup+0x456/0x630 [ 5939.934028][ T74] ip6_route_input+0x59c/0xa50 [ 5939.934028][ T74] ipv6_rcv+0x397/0x810 [ 5939.934028][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5939.934028][ T74] process_backlog+0x101/0x620 [ 5939.934028][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5939.934028][ T74] net_rx_action+0x495/0xbe0 [ 5939.934028][ T74] __do_softirq+0x1b5/0x7f6 [ 5939.934028][ T74] [ 5939.935656][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5939.935656][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5939.935656][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5939.935656][ T74] fib6_nh_init+0xa22/0x1580 [ 5939.935656][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5939.935656][ T74] ip6_route_add+0x1c/0x140 [ 5939.935656][ T74] inet6_rtm_newroute+0x104/0x110 [ 5939.935656][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5939.935656][ T74] netlink_rcv_skb+0x130/0x360 [ 5939.935656][ T74] netlink_unicast+0x449/0x710 [ 5939.935656][ T74] netlink_sendmsg+0x723/0xbe0 [ 5939.935656][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5939.935656][ T74] ___sys_sendmsg+0xee/0x170 [ 5939.935656][ T74] __sys_sendmsg+0xcd/0x170 [ 5939.935656][ T74] do_syscall_64+0xc6/0x1e0 [ 5939.935656][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5939.935656][ T74] [ 5939.937528][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5939.937528][ T74] netdev_get_by_index+0x5e/0x80 [ 5939.937528][ T74] fib6_nh_init+0x3d8/0x1580 [ 5939.937528][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5939.937528][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5939.937528][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5939.937528][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5939.937528][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5939.937528][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5939.937528][ T74] addrconf_dad_begin+0x310/0x670 [ 5939.937528][ T74] addrconf_dad_work+0x10b/0xab0 [ 5939.937528][ T74] process_one_work+0x84d/0x18a0 [ 5939.937528][ T74] worker_thread+0x587/0xd30 [ 5939.937528][ T74] kthread+0x28a/0x350 [ 5939.937528][ T74] ret_from_fork+0x31/0x70 [ 5939.937528][ T74] ret_from_fork_asm+0x1a/0x30 [ 5939.937528][ T74] [ 5939.939422][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5939.939422][ T74] netdev_get_by_index+0x5e/0x80 [ 5939.939422][ T74] fib6_nh_init+0x3d8/0x1580 [ 5939.939422][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5939.939422][ T74] ip6_route_add+0x1c/0x140 [ 5939.939422][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5939.939422][ T74] inet6_addr_add+0x4f8/0xa40 [ 5939.939422][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5939.939422][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5939.939422][ T74] netlink_rcv_skb+0x130/0x360 [ 5939.939422][ T74] netlink_unicast+0x449/0x710 [ 5939.939422][ T74] netlink_sendmsg+0x723/0xbe0 [ 5939.939422][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5939.939422][ T74] ___sys_sendmsg+0xee/0x170 [ 5939.939422][ T74] __sys_sendmsg+0xcd/0x170 [ 5939.939422][ T74] do_syscall_64+0xc6/0x1e0 [ 5939.939422][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5939.939422][ T74] [ 5939.941411][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5939.941411][ T74] netdev_get_by_index+0x5e/0x80 [ 5939.941411][ T74] fib6_nh_init+0x3d8/0x1580 [ 5939.941411][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5939.941411][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5939.941411][ T74] ipv6_add_addr+0x411/0x2000 [ 5939.941411][ T74] inet6_addr_add+0x30e/0xa40 [ 5939.941411][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5939.941411][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5939.941411][ T74] netlink_rcv_skb+0x130/0x360 [ 5939.941411][ T74] netlink_unicast+0x449/0x710 [ 5939.941411][ T74] netlink_sendmsg+0x723/0xbe0 [ 5939.941411][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5939.941411][ T74] ___sys_sendmsg+0xee/0x170 [ 5939.941411][ T74] __sys_sendmsg+0xcd/0x170 [ 5939.941411][ T74] do_syscall_64+0xc6/0x1e0 [ 5939.941411][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5939.941411][ T74] [ 5939.943399][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5939.943399][ T74] netdev_get_by_index+0x5e/0x80 [ 5939.943399][ T74] fib6_nh_init+0x3d8/0x1580 [ 5939.943399][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5939.943399][ T74] ip6_route_add+0x1c/0x140 [ 5939.943399][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5939.943399][ T74] addrconf_add_dev+0xe2/0x170 [ 5939.943399][ T74] inet6_addr_add+0x12f/0xa40 [ 5939.943399][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5939.943399][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5939.943399][ T74] netlink_rcv_skb+0x130/0x360 [ 5939.943399][ T74] netlink_unicast+0x449/0x710 [ 5939.943399][ T74] netlink_sendmsg+0x723/0xbe0 [ 5939.943399][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5939.943399][ T74] ___sys_sendmsg+0xee/0x170 [ 5939.943399][ T74] __sys_sendmsg+0xcd/0x170 [ 5939.943399][ T74] do_syscall_64+0xc6/0x1e0 [ 5939.943399][ T74] [ 5939.945362][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5939.945362][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5939.945362][ T74] ipv6_find_idev+0x102/0x170 [ 5939.945362][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5939.945362][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5939.945362][ T74] netlink_rcv_skb+0x130/0x360 [ 5939.945362][ T74] netlink_unicast+0x449/0x710 [ 5939.945362][ T74] netlink_sendmsg+0x723/0xbe0 [ 5939.945362][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5939.945362][ T74] ___sys_sendmsg+0xee/0x170 [ 5939.945362][ T74] __sys_sendmsg+0xcd/0x170 [ 5939.945362][ T74] do_syscall_64+0xc6/0x1e0 [ 5939.945362][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5939.945362][ T74] [ 5939.947012][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5939.947012][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5939.947012][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5939.947012][ T74] ipv6_find_idev+0x102/0x170 [ 5939.947012][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5939.947012][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5939.947012][ T74] netlink_rcv_skb+0x130/0x360 [ 5939.947012][ T74] netlink_unicast+0x449/0x710 [ 5939.947012][ T74] netlink_sendmsg+0x723/0xbe0 [ 5939.947012][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5939.947012][ T74] ___sys_sendmsg+0xee/0x170 [ 5939.947012][ T74] __sys_sendmsg+0xcd/0x170 [ 5939.947012][ T74] do_syscall_64+0xc6/0x1e0 [ 5939.947012][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5939.947012][ T74] [ 5939.948991][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5939.949228][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5939.949228][ T74] netdev_get_by_index+0x5e/0x80 [ 5939.949228][ T74] fib6_nh_init+0x3d8/0x1580 [ 5939.949228][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5939.949228][ T74] ip6_route_add+0x1c/0x140 [ 5939.949228][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5939.949228][ T74] inet6_addr_add+0x4f8/0xa40 [ 5939.949228][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5939.949228][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5939.949228][ T74] netlink_rcv_skb+0x130/0x360 [ 5939.949228][ T74] netlink_unicast+0x449/0x710 [ 5939.949228][ T74] netlink_sendmsg+0x723/0xbe0 [ 5939.949228][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5939.949228][ T74] ___sys_sendmsg+0xee/0x170 [ 5939.949228][ T74] __sys_sendmsg+0xcd/0x170 [ 5939.949228][ T74] do_syscall_64+0xc6/0x1e0 [ 5939.949228][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5939.949228][ T74] [ 5939.951472][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5939.951472][ T74] netdev_get_by_index+0x5e/0x80 [ 5939.951472][ T74] fib6_nh_init+0x3d8/0x1580 [ 5939.951472][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5939.951472][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5939.951472][ T74] ipv6_add_addr+0x411/0x2000 [ 5939.951472][ T74] inet6_addr_add+0x30e/0xa40 [ 5939.951472][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5939.951472][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5939.951472][ T74] netlink_rcv_skb+0x130/0x360 [ 5939.951472][ T74] netlink_unicast+0x449/0x710 [ 5939.951472][ T74] netlink_sendmsg+0x723/0xbe0 [ 5939.951472][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5939.951472][ T74] ___sys_sendmsg+0xee/0x170 [ 5939.951472][ T74] __sys_sendmsg+0xcd/0x170 [ 5939.951472][ T74] do_syscall_64+0xc6/0x1e0 [ 5939.951472][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5939.951472][ T74] [ 5939.953792][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5939.953792][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5939.953792][ T74] ipv6_find_idev+0x102/0x170 [ 5939.953792][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5939.953792][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5939.953792][ T74] netlink_rcv_skb+0x130/0x360 [ 5939.953792][ T74] netlink_unicast+0x449/0x710 [ 5939.953792][ T74] netlink_sendmsg+0x723/0xbe0 [ 5939.953792][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5939.953792][ T74] ___sys_sendmsg+0xee/0x170 [ 5939.953792][ T74] __sys_sendmsg+0xcd/0x170 [ 5939.953792][ T74] do_syscall_64+0xc6/0x1e0 [ 5939.953792][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5939.953792][ T74] [ 5939.955457][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5939.955457][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5939.955457][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5939.955457][ T74] ipv6_find_idev+0x102/0x170 [ 5939.955457][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5939.955457][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5939.955457][ T74] netlink_rcv_skb+0x130/0x360 [ 5939.955457][ T74] netlink_unicast+0x449/0x710 [ 5939.955457][ T74] netlink_sendmsg+0x723/0xbe0 [ 5939.955457][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5939.955457][ T74] ___sys_sendmsg+0xee/0x170 [ 5939.955457][ T74] __sys_sendmsg+0xcd/0x170 [ 5939.955457][ T74] do_syscall_64+0xc6/0x1e0 [ 5939.955457][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5939.955457][ T74] [ 5950.199951][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5950.200390][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5950.200390][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5950.200390][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5950.200390][ T74] fib6_nh_init+0xa22/0x1580 [ 5950.200390][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5950.200390][ T74] ip6_route_add+0x1c/0x140 [ 5950.200390][ T74] inet6_rtm_newroute+0x104/0x110 [ 5950.200390][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5950.200390][ T74] netlink_rcv_skb+0x130/0x360 [ 5950.200390][ T74] netlink_unicast+0x449/0x710 [ 5950.200390][ T74] netlink_sendmsg+0x723/0xbe0 [ 5950.200390][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5950.200390][ T74] ___sys_sendmsg+0xee/0x170 [ 5950.200390][ T74] __sys_sendmsg+0xcd/0x170 [ 5950.200390][ T74] do_syscall_64+0xc6/0x1e0 [ 5950.200390][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5950.200390][ T74] [ 5950.202331][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5950.202331][ T74] netdev_get_by_index+0x5e/0x80 [ 5950.202331][ T74] fib6_nh_init+0x3d8/0x1580 [ 5950.202331][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5950.202331][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5950.202331][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5950.202331][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5950.202331][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5950.202331][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5950.202331][ T74] addrconf_dad_begin+0x310/0x670 [ 5950.202331][ T74] addrconf_dad_work+0x10b/0xab0 [ 5950.202331][ T74] process_one_work+0x84d/0x18a0 [ 5950.202331][ T74] worker_thread+0x587/0xd30 [ 5950.202331][ T74] kthread+0x28a/0x350 [ 5950.202331][ T74] ret_from_fork+0x31/0x70 [ 5950.202331][ T74] ret_from_fork_asm+0x1a/0x30 [ 5950.202331][ T74] [ 5950.204260][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5950.204260][ T74] netdev_get_by_index+0x5e/0x80 [ 5950.204260][ T74] fib6_nh_init+0x3d8/0x1580 [ 5950.204260][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5950.204260][ T74] ip6_route_add+0x1c/0x140 [ 5950.204260][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5950.204260][ T74] inet6_addr_add+0x4f8/0xa40 [ 5950.204260][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5950.204260][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5950.204260][ T74] netlink_rcv_skb+0x130/0x360 [ 5950.204260][ T74] netlink_unicast+0x449/0x710 [ 5950.204260][ T74] netlink_sendmsg+0x723/0xbe0 [ 5950.204260][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5950.204260][ T74] ___sys_sendmsg+0xee/0x170 [ 5950.204260][ T74] __sys_sendmsg+0xcd/0x170 [ 5950.204260][ T74] do_syscall_64+0xc6/0x1e0 [ 5950.204260][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5950.204260][ T74] [ 5950.206270][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5950.206270][ T74] netdev_get_by_index+0x5e/0x80 [ 5950.206270][ T74] fib6_nh_init+0x3d8/0x1580 [ 5950.206270][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5950.206270][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5950.206270][ T74] ipv6_add_addr+0x411/0x2000 [ 5950.206270][ T74] inet6_addr_add+0x30e/0xa40 [ 5950.206270][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5950.206270][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5950.206270][ T74] netlink_rcv_skb+0x130/0x360 [ 5950.206270][ T74] netlink_unicast+0x449/0x710 [ 5950.206270][ T74] netlink_sendmsg+0x723/0xbe0 [ 5950.206270][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5950.206270][ T74] ___sys_sendmsg+0xee/0x170 [ 5950.206270][ T74] __sys_sendmsg+0xcd/0x170 [ 5950.206270][ T74] do_syscall_64+0xc6/0x1e0 [ 5950.206270][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5950.206270][ T74] [ 5950.208278][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5950.208278][ T74] netdev_get_by_index+0x5e/0x80 [ 5950.208278][ T74] fib6_nh_init+0x3d8/0x1580 [ 5950.208278][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5950.208278][ T74] ip6_route_add+0x1c/0x140 [ 5950.208278][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5950.208278][ T74] addrconf_add_dev+0xe2/0x170 [ 5950.208278][ T74] inet6_addr_add+0x12f/0xa40 [ 5950.208278][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5950.208278][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5950.208278][ T74] netlink_rcv_skb+0x130/0x360 [ 5950.208278][ T74] netlink_unicast+0x449/0x710 [ 5950.208278][ T74] netlink_sendmsg+0x723/0xbe0 [ 5950.208278][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5950.208278][ T74] ___sys_sendmsg+0xee/0x170 [ 5950.208278][ T74] __sys_sendmsg+0xcd/0x170 [ 5950.208278][ T74] do_syscall_64+0xc6/0x1e0 [ 5950.208278][ T74] [ 5950.210260][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5950.210260][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5950.210260][ T74] ipv6_find_idev+0x102/0x170 [ 5950.210260][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5950.210260][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5950.210260][ T74] netlink_rcv_skb+0x130/0x360 [ 5950.210260][ T74] netlink_unicast+0x449/0x710 [ 5950.210260][ T74] netlink_sendmsg+0x723/0xbe0 [ 5950.210260][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5950.210260][ T74] ___sys_sendmsg+0xee/0x170 [ 5950.210260][ T74] __sys_sendmsg+0xcd/0x170 [ 5950.210260][ T74] do_syscall_64+0xc6/0x1e0 [ 5950.210260][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5950.210260][ T74] [ 5950.211830][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5950.211830][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5950.211830][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5950.211830][ T74] ipv6_find_idev+0x102/0x170 [ 5950.211830][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5950.211830][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5950.211830][ T74] netlink_rcv_skb+0x130/0x360 [ 5950.211830][ T74] netlink_unicast+0x449/0x710 [ 5950.211830][ T74] netlink_sendmsg+0x723/0xbe0 [ 5950.211830][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5950.211830][ T74] ___sys_sendmsg+0xee/0x170 [ 5950.211830][ T74] __sys_sendmsg+0xcd/0x170 [ 5950.211830][ T74] do_syscall_64+0xc6/0x1e0 [ 5950.211830][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5950.211830][ T74] [ 5950.213543][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5950.213823][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5950.213823][ T74] dst_init+0x84/0x4a0 [ 5950.213823][ T74] dst_alloc+0x97/0x150 [ 5950.213823][ T74] ip6_dst_alloc+0x23/0x90 [ 5950.213823][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5950.213823][ T74] ip6_pol_route+0x56f/0x840 [ 5950.213823][ T74] fib6_rule_lookup+0x456/0x630 [ 5950.213823][ T74] ip6_route_input+0x59c/0xa50 [ 5950.213823][ T74] ipv6_rcv+0x397/0x810 [ 5950.213823][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5950.213823][ T74] process_backlog+0x101/0x620 [ 5950.213823][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5950.213823][ T74] net_rx_action+0x495/0xbe0 [ 5950.213823][ T74] __do_softirq+0x1b5/0x7f6 [ 5950.213823][ T74] [ 5950.215476][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5950.215476][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5950.215476][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5950.215476][ T74] fib6_nh_init+0xa22/0x1580 [ 5950.215476][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5950.215476][ T74] ip6_route_add+0x1c/0x140 [ 5950.215476][ T74] inet6_rtm_newroute+0x104/0x110 [ 5950.215476][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5950.215476][ T74] netlink_rcv_skb+0x130/0x360 [ 5950.215476][ T74] netlink_unicast+0x449/0x710 [ 5950.215476][ T74] netlink_sendmsg+0x723/0xbe0 [ 5950.215476][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5950.215476][ T74] ___sys_sendmsg+0xee/0x170 [ 5950.215476][ T74] __sys_sendmsg+0xcd/0x170 [ 5950.215476][ T74] do_syscall_64+0xc6/0x1e0 [ 5950.215476][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5950.215476][ T74] [ 5950.217368][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5950.217368][ T74] netdev_get_by_index+0x5e/0x80 [ 5950.217368][ T74] fib6_nh_init+0x3d8/0x1580 [ 5950.217368][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5950.217368][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5950.217368][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5950.217368][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5950.217368][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5950.217368][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5950.217368][ T74] addrconf_dad_begin+0x310/0x670 [ 5950.217368][ T74] addrconf_dad_work+0x10b/0xab0 [ 5950.217368][ T74] process_one_work+0x84d/0x18a0 [ 5950.217368][ T74] worker_thread+0x587/0xd30 [ 5950.217368][ T74] kthread+0x28a/0x350 [ 5950.217368][ T74] ret_from_fork+0x31/0x70 [ 5950.217368][ T74] ret_from_fork_asm+0x1a/0x30 [ 5950.217368][ T74] [ 5950.219287][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5950.219287][ T74] netdev_get_by_index+0x5e/0x80 [ 5950.219287][ T74] fib6_nh_init+0x3d8/0x1580 [ 5950.219287][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5950.219287][ T74] ip6_route_add+0x1c/0x140 [ 5950.219287][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5950.219287][ T74] inet6_addr_add+0x4f8/0xa40 [ 5950.219287][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5950.219287][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5950.219287][ T74] netlink_rcv_skb+0x130/0x360 [ 5950.219287][ T74] netlink_unicast+0x449/0x710 [ 5950.219287][ T74] netlink_sendmsg+0x723/0xbe0 [ 5950.219287][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5950.219287][ T74] ___sys_sendmsg+0xee/0x170 [ 5950.219287][ T74] __sys_sendmsg+0xcd/0x170 [ 5950.219287][ T74] do_syscall_64+0xc6/0x1e0 [ 5950.219287][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5950.219287][ T74] [ 5950.221305][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5950.221305][ T74] netdev_get_by_index+0x5e/0x80 [ 5950.221305][ T74] fib6_nh_init+0x3d8/0x1580 [ 5950.221305][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5950.221305][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5950.221305][ T74] ipv6_add_addr+0x411/0x2000 [ 5950.221305][ T74] inet6_addr_add+0x30e/0xa40 [ 5950.221305][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5950.221305][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5950.221305][ T74] netlink_rcv_skb+0x130/0x360 [ 5950.221305][ T74] netlink_unicast+0x449/0x710 [ 5950.221305][ T74] netlink_sendmsg+0x723/0xbe0 [ 5950.221305][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5950.221305][ T74] ___sys_sendmsg+0xee/0x170 [ 5950.221305][ T74] __sys_sendmsg+0xcd/0x170 [ 5950.221305][ T74] do_syscall_64+0xc6/0x1e0 [ 5950.221305][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5950.221305][ T74] [ 5950.223313][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5950.223313][ T74] netdev_get_by_index+0x5e/0x80 [ 5950.223313][ T74] fib6_nh_init+0x3d8/0x1580 [ 5950.223313][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5950.223313][ T74] ip6_route_add+0x1c/0x140 [ 5950.223313][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5950.223313][ T74] addrconf_add_dev+0xe2/0x170 [ 5950.223313][ T74] inet6_addr_add+0x12f/0xa40 [ 5950.223313][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5950.223313][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5950.223313][ T74] netlink_rcv_skb+0x130/0x360 [ 5950.223313][ T74] netlink_unicast+0x449/0x710 [ 5950.223313][ T74] netlink_sendmsg+0x723/0xbe0 [ 5950.223313][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5950.223313][ T74] ___sys_sendmsg+0xee/0x170 [ 5950.223313][ T74] __sys_sendmsg+0xcd/0x170 [ 5950.223313][ T74] do_syscall_64+0xc6/0x1e0 [ 5950.223313][ T74] [ 5950.225286][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5950.225286][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5950.225286][ T74] ipv6_find_idev+0x102/0x170 [ 5950.225286][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5950.225286][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5950.225286][ T74] netlink_rcv_skb+0x130/0x360 [ 5950.225286][ T74] netlink_unicast+0x449/0x710 [ 5950.225286][ T74] netlink_sendmsg+0x723/0xbe0 [ 5950.225286][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5950.225286][ T74] ___sys_sendmsg+0xee/0x170 [ 5950.225286][ T74] __sys_sendmsg+0xcd/0x170 [ 5950.225286][ T74] do_syscall_64+0xc6/0x1e0 [ 5950.225286][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5950.225286][ T74] [ 5950.227016][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5950.227016][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5950.227016][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5950.227016][ T74] ipv6_find_idev+0x102/0x170 [ 5950.227016][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5950.227016][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5950.227016][ T74] netlink_rcv_skb+0x130/0x360 [ 5950.227016][ T74] netlink_unicast+0x449/0x710 [ 5950.227016][ T74] netlink_sendmsg+0x723/0xbe0 [ 5950.227016][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5950.227016][ T74] ___sys_sendmsg+0xee/0x170 [ 5950.227016][ T74] __sys_sendmsg+0xcd/0x170 [ 5950.227016][ T74] do_syscall_64+0xc6/0x1e0 [ 5950.227016][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5950.227016][ T74] [ 5950.228955][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5950.229254][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5950.229254][ T74] netdev_get_by_index+0x5e/0x80 [ 5950.229254][ T74] fib6_nh_init+0x3d8/0x1580 [ 5950.229254][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5950.229254][ T74] ip6_route_add+0x1c/0x140 [ 5950.229254][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5950.229254][ T74] inet6_addr_add+0x4f8/0xa40 [ 5950.229254][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5950.229254][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5950.229254][ T74] netlink_rcv_skb+0x130/0x360 [ 5950.229254][ T74] netlink_unicast+0x449/0x710 [ 5950.229254][ T74] netlink_sendmsg+0x723/0xbe0 [ 5950.229254][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5950.229254][ T74] ___sys_sendmsg+0xee/0x170 [ 5950.229254][ T74] __sys_sendmsg+0xcd/0x170 [ 5950.229254][ T74] do_syscall_64+0xc6/0x1e0 [ 5950.229254][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5950.229254][ T74] [ 5950.231543][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5950.231543][ T74] netdev_get_by_index+0x5e/0x80 [ 5950.231543][ T74] fib6_nh_init+0x3d8/0x1580 [ 5950.231543][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5950.231543][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5950.231543][ T74] ipv6_add_addr+0x411/0x2000 [ 5950.231543][ T74] inet6_addr_add+0x30e/0xa40 [ 5950.231543][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5950.231543][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5950.231543][ T74] netlink_rcv_skb+0x130/0x360 [ 5950.231543][ T74] netlink_unicast+0x449/0x710 [ 5950.231543][ T74] netlink_sendmsg+0x723/0xbe0 [ 5950.231543][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5950.231543][ T74] ___sys_sendmsg+0xee/0x170 [ 5950.231543][ T74] __sys_sendmsg+0xcd/0x170 [ 5950.231543][ T74] do_syscall_64+0xc6/0x1e0 [ 5950.231543][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5950.231543][ T74] [ 5950.233811][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5950.233811][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5950.233811][ T74] ipv6_find_idev+0x102/0x170 [ 5950.233811][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5950.233811][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5950.233811][ T74] netlink_rcv_skb+0x130/0x360 [ 5950.233811][ T74] netlink_unicast+0x449/0x710 [ 5950.233811][ T74] netlink_sendmsg+0x723/0xbe0 [ 5950.233811][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5950.233811][ T74] ___sys_sendmsg+0xee/0x170 [ 5950.233811][ T74] __sys_sendmsg+0xcd/0x170 [ 5950.233811][ T74] do_syscall_64+0xc6/0x1e0 [ 5950.233811][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5950.233811][ T74] [ 5950.235549][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5950.235549][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5950.235549][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5950.235549][ T74] ipv6_find_idev+0x102/0x170 [ 5950.235549][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5950.235549][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5950.235549][ T74] netlink_rcv_skb+0x130/0x360 [ 5950.235549][ T74] netlink_unicast+0x449/0x710 [ 5950.235549][ T74] netlink_sendmsg+0x723/0xbe0 [ 5950.235549][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5950.235549][ T74] ___sys_sendmsg+0xee/0x170 [ 5950.235549][ T74] __sys_sendmsg+0xcd/0x170 [ 5950.235549][ T74] do_syscall_64+0xc6/0x1e0 [ 5950.235549][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5950.235549][ T74] [ 5960.479993][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5960.480371][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5960.480371][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5960.480371][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5960.480371][ T74] fib6_nh_init+0xa22/0x1580 [ 5960.480371][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5960.480371][ T74] ip6_route_add+0x1c/0x140 [ 5960.480371][ T74] inet6_rtm_newroute+0x104/0x110 [ 5960.480371][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5960.480371][ T74] netlink_rcv_skb+0x130/0x360 [ 5960.480371][ T74] netlink_unicast+0x449/0x710 [ 5960.480371][ T74] netlink_sendmsg+0x723/0xbe0 [ 5960.480371][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5960.480371][ T74] ___sys_sendmsg+0xee/0x170 [ 5960.480371][ T74] __sys_sendmsg+0xcd/0x170 [ 5960.480371][ T74] do_syscall_64+0xc6/0x1e0 [ 5960.480371][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5960.480371][ T74] [ 5960.482280][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5960.482280][ T74] netdev_get_by_index+0x5e/0x80 [ 5960.482280][ T74] fib6_nh_init+0x3d8/0x1580 [ 5960.482280][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5960.482280][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5960.482280][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5960.482280][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5960.482280][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5960.482280][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5960.482280][ T74] addrconf_dad_begin+0x310/0x670 [ 5960.482280][ T74] addrconf_dad_work+0x10b/0xab0 [ 5960.482280][ T74] process_one_work+0x84d/0x18a0 [ 5960.482280][ T74] worker_thread+0x587/0xd30 [ 5960.482280][ T74] kthread+0x28a/0x350 [ 5960.482280][ T74] ret_from_fork+0x31/0x70 [ 5960.482280][ T74] ret_from_fork_asm+0x1a/0x30 [ 5960.482280][ T74] [ 5960.484190][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5960.484190][ T74] netdev_get_by_index+0x5e/0x80 [ 5960.484190][ T74] fib6_nh_init+0x3d8/0x1580 [ 5960.484190][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5960.484190][ T74] ip6_route_add+0x1c/0x140 [ 5960.484190][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5960.484190][ T74] inet6_addr_add+0x4f8/0xa40 [ 5960.484190][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5960.484190][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5960.484190][ T74] netlink_rcv_skb+0x130/0x360 [ 5960.484190][ T74] netlink_unicast+0x449/0x710 [ 5960.484190][ T74] netlink_sendmsg+0x723/0xbe0 [ 5960.484190][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5960.484190][ T74] ___sys_sendmsg+0xee/0x170 [ 5960.484190][ T74] __sys_sendmsg+0xcd/0x170 [ 5960.484190][ T74] do_syscall_64+0xc6/0x1e0 [ 5960.484190][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5960.484190][ T74] [ 5960.486174][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5960.486174][ T74] netdev_get_by_index+0x5e/0x80 [ 5960.486174][ T74] fib6_nh_init+0x3d8/0x1580 [ 5960.486174][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5960.486174][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5960.486174][ T74] ipv6_add_addr+0x411/0x2000 [ 5960.486174][ T74] inet6_addr_add+0x30e/0xa40 [ 5960.486174][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5960.486174][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5960.486174][ T74] netlink_rcv_skb+0x130/0x360 [ 5960.486174][ T74] netlink_unicast+0x449/0x710 [ 5960.486174][ T74] netlink_sendmsg+0x723/0xbe0 [ 5960.486174][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5960.486174][ T74] ___sys_sendmsg+0xee/0x170 [ 5960.486174][ T74] __sys_sendmsg+0xcd/0x170 [ 5960.486174][ T74] do_syscall_64+0xc6/0x1e0 [ 5960.486174][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5960.486174][ T74] [ 5960.488173][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5960.488173][ T74] netdev_get_by_index+0x5e/0x80 [ 5960.488173][ T74] fib6_nh_init+0x3d8/0x1580 [ 5960.488173][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5960.488173][ T74] ip6_route_add+0x1c/0x140 [ 5960.488173][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5960.488173][ T74] addrconf_add_dev+0xe2/0x170 [ 5960.488173][ T74] inet6_addr_add+0x12f/0xa40 [ 5960.488173][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5960.488173][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5960.488173][ T74] netlink_rcv_skb+0x130/0x360 [ 5960.488173][ T74] netlink_unicast+0x449/0x710 [ 5960.488173][ T74] netlink_sendmsg+0x723/0xbe0 [ 5960.488173][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5960.488173][ T74] ___sys_sendmsg+0xee/0x170 [ 5960.488173][ T74] __sys_sendmsg+0xcd/0x170 [ 5960.488173][ T74] do_syscall_64+0xc6/0x1e0 [ 5960.488173][ T74] [ 5960.490152][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5960.490152][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5960.490152][ T74] ipv6_find_idev+0x102/0x170 [ 5960.490152][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5960.490152][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5960.490152][ T74] netlink_rcv_skb+0x130/0x360 [ 5960.490152][ T74] netlink_unicast+0x449/0x710 [ 5960.490152][ T74] netlink_sendmsg+0x723/0xbe0 [ 5960.490152][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5960.490152][ T74] ___sys_sendmsg+0xee/0x170 [ 5960.490152][ T74] __sys_sendmsg+0xcd/0x170 [ 5960.490152][ T74] do_syscall_64+0xc6/0x1e0 [ 5960.490152][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5960.490152][ T74] [ 5960.491699][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5960.491699][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5960.491699][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5960.491699][ T74] ipv6_find_idev+0x102/0x170 [ 5960.491699][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5960.491699][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5960.491699][ T74] netlink_rcv_skb+0x130/0x360 [ 5960.491699][ T74] netlink_unicast+0x449/0x710 [ 5960.491699][ T74] netlink_sendmsg+0x723/0xbe0 [ 5960.491699][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5960.491699][ T74] ___sys_sendmsg+0xee/0x170 [ 5960.491699][ T74] __sys_sendmsg+0xcd/0x170 [ 5960.491699][ T74] do_syscall_64+0xc6/0x1e0 [ 5960.491699][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5960.491699][ T74] [ 5960.494393][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5960.494685][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5960.494685][ T74] dst_init+0x84/0x4a0 [ 5960.494685][ T74] dst_alloc+0x97/0x150 [ 5960.494685][ T74] ip6_dst_alloc+0x23/0x90 [ 5960.494685][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5960.494685][ T74] ip6_pol_route+0x56f/0x840 [ 5960.494685][ T74] fib6_rule_lookup+0x456/0x630 [ 5960.494685][ T74] ip6_route_input+0x59c/0xa50 [ 5960.494685][ T74] ipv6_rcv+0x397/0x810 [ 5960.494685][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5960.494685][ T74] process_backlog+0x101/0x620 [ 5960.494685][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5960.494685][ T74] net_rx_action+0x495/0xbe0 [ 5960.494685][ T74] __do_softirq+0x1b5/0x7f6 [ 5960.494685][ T74] [ 5960.496319][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5960.496319][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5960.496319][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5960.496319][ T74] fib6_nh_init+0xa22/0x1580 [ 5960.496319][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5960.496319][ T74] ip6_route_add+0x1c/0x140 [ 5960.496319][ T74] inet6_rtm_newroute+0x104/0x110 [ 5960.496319][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5960.496319][ T74] netlink_rcv_skb+0x130/0x360 [ 5960.496319][ T74] netlink_unicast+0x449/0x710 [ 5960.496319][ T74] netlink_sendmsg+0x723/0xbe0 [ 5960.496319][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5960.496319][ T74] ___sys_sendmsg+0xee/0x170 [ 5960.496319][ T74] __sys_sendmsg+0xcd/0x170 [ 5960.496319][ T74] do_syscall_64+0xc6/0x1e0 [ 5960.496319][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5960.496319][ T74] [ 5960.498197][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5960.498197][ T74] netdev_get_by_index+0x5e/0x80 [ 5960.498197][ T74] fib6_nh_init+0x3d8/0x1580 [ 5960.498197][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5960.498197][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5960.498197][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5960.498197][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5960.498197][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5960.498197][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5960.498197][ T74] addrconf_dad_begin+0x310/0x670 [ 5960.498197][ T74] addrconf_dad_work+0x10b/0xab0 [ 5960.498197][ T74] process_one_work+0x84d/0x18a0 [ 5960.498197][ T74] worker_thread+0x587/0xd30 [ 5960.498197][ T74] kthread+0x28a/0x350 [ 5960.498197][ T74] ret_from_fork+0x31/0x70 [ 5960.498197][ T74] ret_from_fork_asm+0x1a/0x30 [ 5960.498197][ T74] [ 5960.500094][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5960.500094][ T74] netdev_get_by_index+0x5e/0x80 [ 5960.500094][ T74] fib6_nh_init+0x3d8/0x1580 [ 5960.500094][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5960.500094][ T74] ip6_route_add+0x1c/0x140 [ 5960.500094][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5960.500094][ T74] inet6_addr_add+0x4f8/0xa40 [ 5960.500094][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5960.500094][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5960.500094][ T74] netlink_rcv_skb+0x130/0x360 [ 5960.500094][ T74] netlink_unicast+0x449/0x710 [ 5960.500094][ T74] netlink_sendmsg+0x723/0xbe0 [ 5960.500094][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5960.500094][ T74] ___sys_sendmsg+0xee/0x170 [ 5960.500094][ T74] __sys_sendmsg+0xcd/0x170 [ 5960.500094][ T74] do_syscall_64+0xc6/0x1e0 [ 5960.500094][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5960.500094][ T74] [ 5960.502099][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5960.502099][ T74] netdev_get_by_index+0x5e/0x80 [ 5960.502099][ T74] fib6_nh_init+0x3d8/0x1580 [ 5960.502099][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5960.502099][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5960.502099][ T74] ipv6_add_addr+0x411/0x2000 [ 5960.502099][ T74] inet6_addr_add+0x30e/0xa40 [ 5960.502099][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5960.502099][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5960.502099][ T74] netlink_rcv_skb+0x130/0x360 [ 5960.502099][ T74] netlink_unicast+0x449/0x710 [ 5960.502099][ T74] netlink_sendmsg+0x723/0xbe0 [ 5960.502099][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5960.502099][ T74] ___sys_sendmsg+0xee/0x170 [ 5960.502099][ T74] __sys_sendmsg+0xcd/0x170 [ 5960.502099][ T74] do_syscall_64+0xc6/0x1e0 [ 5960.502099][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5960.502099][ T74] [ 5960.504083][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5960.504083][ T74] netdev_get_by_index+0x5e/0x80 [ 5960.504083][ T74] fib6_nh_init+0x3d8/0x1580 [ 5960.504083][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5960.504083][ T74] ip6_route_add+0x1c/0x140 [ 5960.504083][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5960.504083][ T74] addrconf_add_dev+0xe2/0x170 [ 5960.504083][ T74] inet6_addr_add+0x12f/0xa40 [ 5960.504083][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5960.504083][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5960.504083][ T74] netlink_rcv_skb+0x130/0x360 [ 5960.504083][ T74] netlink_unicast+0x449/0x710 [ 5960.504083][ T74] netlink_sendmsg+0x723/0xbe0 [ 5960.504083][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5960.504083][ T74] ___sys_sendmsg+0xee/0x170 [ 5960.504083][ T74] __sys_sendmsg+0xcd/0x170 [ 5960.504083][ T74] do_syscall_64+0xc6/0x1e0 [ 5960.504083][ T74] [ 5960.506051][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5960.506051][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5960.506051][ T74] ipv6_find_idev+0x102/0x170 [ 5960.506051][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5960.506051][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5960.506051][ T74] netlink_rcv_skb+0x130/0x360 [ 5960.506051][ T74] netlink_unicast+0x449/0x710 [ 5960.506051][ T74] netlink_sendmsg+0x723/0xbe0 [ 5960.506051][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5960.506051][ T74] ___sys_sendmsg+0xee/0x170 [ 5960.506051][ T74] __sys_sendmsg+0xcd/0x170 [ 5960.506051][ T74] do_syscall_64+0xc6/0x1e0 [ 5960.506051][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5960.506051][ T74] [ 5960.507642][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5960.507642][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5960.507642][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5960.507642][ T74] ipv6_find_idev+0x102/0x170 [ 5960.507642][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5960.507642][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5960.507642][ T74] netlink_rcv_skb+0x130/0x360 [ 5960.507642][ T74] netlink_unicast+0x449/0x710 [ 5960.507642][ T74] netlink_sendmsg+0x723/0xbe0 [ 5960.507642][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5960.507642][ T74] ___sys_sendmsg+0xee/0x170 [ 5960.507642][ T74] __sys_sendmsg+0xcd/0x170 [ 5960.507642][ T74] do_syscall_64+0xc6/0x1e0 [ 5960.507642][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5960.507642][ T74] [ 5960.509641][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5960.509892][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5960.509892][ T74] netdev_get_by_index+0x5e/0x80 [ 5960.509892][ T74] fib6_nh_init+0x3d8/0x1580 [ 5960.509892][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5960.509892][ T74] ip6_route_add+0x1c/0x140 [ 5960.509892][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5960.509892][ T74] inet6_addr_add+0x4f8/0xa40 [ 5960.509892][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5960.509892][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5960.509892][ T74] netlink_rcv_skb+0x130/0x360 [ 5960.509892][ T74] netlink_unicast+0x449/0x710 [ 5960.509892][ T74] netlink_sendmsg+0x723/0xbe0 [ 5960.509892][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5960.509892][ T74] ___sys_sendmsg+0xee/0x170 [ 5960.509892][ T74] __sys_sendmsg+0xcd/0x170 [ 5960.509892][ T74] do_syscall_64+0xc6/0x1e0 [ 5960.509892][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5960.509892][ T74] [ 5960.512128][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5960.512128][ T74] netdev_get_by_index+0x5e/0x80 [ 5960.512128][ T74] fib6_nh_init+0x3d8/0x1580 [ 5960.512128][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5960.512128][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5960.512128][ T74] ipv6_add_addr+0x411/0x2000 [ 5960.512128][ T74] inet6_addr_add+0x30e/0xa40 [ 5960.512128][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5960.512128][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5960.512128][ T74] netlink_rcv_skb+0x130/0x360 [ 5960.512128][ T74] netlink_unicast+0x449/0x710 [ 5960.512128][ T74] netlink_sendmsg+0x723/0xbe0 [ 5960.512128][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5960.512128][ T74] ___sys_sendmsg+0xee/0x170 [ 5960.512128][ T74] __sys_sendmsg+0xcd/0x170 [ 5960.512128][ T74] do_syscall_64+0xc6/0x1e0 [ 5960.512128][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5960.512128][ T74] [ 5960.514346][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5960.514346][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5960.514346][ T74] ipv6_find_idev+0x102/0x170 [ 5960.514346][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5960.514346][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5960.514346][ T74] netlink_rcv_skb+0x130/0x360 [ 5960.514346][ T74] netlink_unicast+0x449/0x710 [ 5960.514346][ T74] netlink_sendmsg+0x723/0xbe0 [ 5960.514346][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5960.514346][ T74] ___sys_sendmsg+0xee/0x170 [ 5960.514346][ T74] __sys_sendmsg+0xcd/0x170 [ 5960.514346][ T74] do_syscall_64+0xc6/0x1e0 [ 5960.514346][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5960.514346][ T74] [ 5960.516057][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5960.516057][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5960.516057][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5960.516057][ T74] ipv6_find_idev+0x102/0x170 [ 5960.516057][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5960.516057][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5960.516057][ T74] netlink_rcv_skb+0x130/0x360 [ 5960.516057][ T74] netlink_unicast+0x449/0x710 [ 5960.516057][ T74] netlink_sendmsg+0x723/0xbe0 [ 5960.516057][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5960.516057][ T74] ___sys_sendmsg+0xee/0x170 [ 5960.516057][ T74] __sys_sendmsg+0xcd/0x170 [ 5960.516057][ T74] do_syscall_64+0xc6/0x1e0 [ 5960.516057][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5960.516057][ T74] [ 5970.551956][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5970.552373][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5970.552373][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5970.552373][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5970.552373][ T74] fib6_nh_init+0xa22/0x1580 [ 5970.552373][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5970.552373][ T74] ip6_route_add+0x1c/0x140 [ 5970.552373][ T74] inet6_rtm_newroute+0x104/0x110 [ 5970.552373][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5970.552373][ T74] netlink_rcv_skb+0x130/0x360 [ 5970.552373][ T74] netlink_unicast+0x449/0x710 [ 5970.552373][ T74] netlink_sendmsg+0x723/0xbe0 [ 5970.552373][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5970.552373][ T74] ___sys_sendmsg+0xee/0x170 [ 5970.552373][ T74] __sys_sendmsg+0xcd/0x170 [ 5970.552373][ T74] do_syscall_64+0xc6/0x1e0 [ 5970.552373][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5970.552373][ T74] [ 5970.554266][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5970.554266][ T74] netdev_get_by_index+0x5e/0x80 [ 5970.554266][ T74] fib6_nh_init+0x3d8/0x1580 [ 5970.554266][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5970.554266][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5970.554266][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5970.554266][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5970.554266][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5970.554266][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5970.554266][ T74] addrconf_dad_begin+0x310/0x670 [ 5970.554266][ T74] addrconf_dad_work+0x10b/0xab0 [ 5970.554266][ T74] process_one_work+0x84d/0x18a0 [ 5970.554266][ T74] worker_thread+0x587/0xd30 [ 5970.554266][ T74] kthread+0x28a/0x350 [ 5970.554266][ T74] ret_from_fork+0x31/0x70 [ 5970.554266][ T74] ret_from_fork_asm+0x1a/0x30 [ 5970.554266][ T74] [ 5970.556177][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5970.556177][ T74] netdev_get_by_index+0x5e/0x80 [ 5970.556177][ T74] fib6_nh_init+0x3d8/0x1580 [ 5970.556177][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5970.556177][ T74] ip6_route_add+0x1c/0x140 [ 5970.556177][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5970.556177][ T74] inet6_addr_add+0x4f8/0xa40 [ 5970.556177][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5970.556177][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5970.556177][ T74] netlink_rcv_skb+0x130/0x360 [ 5970.556177][ T74] netlink_unicast+0x449/0x710 [ 5970.556177][ T74] netlink_sendmsg+0x723/0xbe0 [ 5970.556177][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5970.556177][ T74] ___sys_sendmsg+0xee/0x170 [ 5970.556177][ T74] __sys_sendmsg+0xcd/0x170 [ 5970.556177][ T74] do_syscall_64+0xc6/0x1e0 [ 5970.556177][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5970.556177][ T74] [ 5970.558180][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5970.558180][ T74] netdev_get_by_index+0x5e/0x80 [ 5970.558180][ T74] fib6_nh_init+0x3d8/0x1580 [ 5970.558180][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5970.558180][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5970.558180][ T74] ipv6_add_addr+0x411/0x2000 [ 5970.558180][ T74] inet6_addr_add+0x30e/0xa40 [ 5970.558180][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5970.558180][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5970.558180][ T74] netlink_rcv_skb+0x130/0x360 [ 5970.558180][ T74] netlink_unicast+0x449/0x710 [ 5970.558180][ T74] netlink_sendmsg+0x723/0xbe0 [ 5970.558180][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5970.558180][ T74] ___sys_sendmsg+0xee/0x170 [ 5970.558180][ T74] __sys_sendmsg+0xcd/0x170 [ 5970.558180][ T74] do_syscall_64+0xc6/0x1e0 [ 5970.558180][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5970.558180][ T74] [ 5970.560167][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5970.560167][ T74] netdev_get_by_index+0x5e/0x80 [ 5970.560167][ T74] fib6_nh_init+0x3d8/0x1580 [ 5970.560167][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5970.560167][ T74] ip6_route_add+0x1c/0x140 [ 5970.560167][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5970.560167][ T74] addrconf_add_dev+0xe2/0x170 [ 5970.560167][ T74] inet6_addr_add+0x12f/0xa40 [ 5970.560167][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5970.560167][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5970.560167][ T74] netlink_rcv_skb+0x130/0x360 [ 5970.560167][ T74] netlink_unicast+0x449/0x710 [ 5970.560167][ T74] netlink_sendmsg+0x723/0xbe0 [ 5970.560167][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5970.560167][ T74] ___sys_sendmsg+0xee/0x170 [ 5970.560167][ T74] __sys_sendmsg+0xcd/0x170 [ 5970.560167][ T74] do_syscall_64+0xc6/0x1e0 [ 5970.560167][ T74] [ 5970.562127][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5970.562127][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5970.562127][ T74] ipv6_find_idev+0x102/0x170 [ 5970.562127][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5970.562127][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5970.562127][ T74] netlink_rcv_skb+0x130/0x360 [ 5970.562127][ T74] netlink_unicast+0x449/0x710 [ 5970.562127][ T74] netlink_sendmsg+0x723/0xbe0 [ 5970.562127][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5970.562127][ T74] ___sys_sendmsg+0xee/0x170 [ 5970.562127][ T74] __sys_sendmsg+0xcd/0x170 [ 5970.562127][ T74] do_syscall_64+0xc6/0x1e0 [ 5970.562127][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5970.562127][ T74] [ 5970.563664][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5970.563664][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5970.563664][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5970.563664][ T74] ipv6_find_idev+0x102/0x170 [ 5970.563664][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5970.563664][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5970.563664][ T74] netlink_rcv_skb+0x130/0x360 [ 5970.563664][ T74] netlink_unicast+0x449/0x710 [ 5970.563664][ T74] netlink_sendmsg+0x723/0xbe0 [ 5970.563664][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5970.563664][ T74] ___sys_sendmsg+0xee/0x170 [ 5970.563664][ T74] __sys_sendmsg+0xcd/0x170 [ 5970.563664][ T74] do_syscall_64+0xc6/0x1e0 [ 5970.563664][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5970.563664][ T74] [ 5970.565384][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5970.565656][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5970.565656][ T74] dst_init+0x84/0x4a0 [ 5970.565656][ T74] dst_alloc+0x97/0x150 [ 5970.565656][ T74] ip6_dst_alloc+0x23/0x90 [ 5970.565656][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5970.565656][ T74] ip6_pol_route+0x56f/0x840 [ 5970.565656][ T74] fib6_rule_lookup+0x456/0x630 [ 5970.565656][ T74] ip6_route_input+0x59c/0xa50 [ 5970.565656][ T74] ipv6_rcv+0x397/0x810 [ 5970.565656][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5970.565656][ T74] process_backlog+0x101/0x620 [ 5970.565656][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5970.565656][ T74] net_rx_action+0x495/0xbe0 [ 5970.565656][ T74] __do_softirq+0x1b5/0x7f6 [ 5970.565656][ T74] [ 5970.567288][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5970.567288][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5970.567288][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5970.567288][ T74] fib6_nh_init+0xa22/0x1580 [ 5970.567288][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5970.567288][ T74] ip6_route_add+0x1c/0x140 [ 5970.567288][ T74] inet6_rtm_newroute+0x104/0x110 [ 5970.567288][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5970.567288][ T74] netlink_rcv_skb+0x130/0x360 [ 5970.567288][ T74] netlink_unicast+0x449/0x710 [ 5970.567288][ T74] netlink_sendmsg+0x723/0xbe0 [ 5970.567288][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5970.567288][ T74] ___sys_sendmsg+0xee/0x170 [ 5970.567288][ T74] __sys_sendmsg+0xcd/0x170 [ 5970.567288][ T74] do_syscall_64+0xc6/0x1e0 [ 5970.567288][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5970.567288][ T74] [ 5970.569163][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5970.569163][ T74] netdev_get_by_index+0x5e/0x80 [ 5970.569163][ T74] fib6_nh_init+0x3d8/0x1580 [ 5970.569163][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5970.569163][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5970.569163][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5970.569163][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5970.569163][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5970.569163][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5970.569163][ T74] addrconf_dad_begin+0x310/0x670 [ 5970.569163][ T74] addrconf_dad_work+0x10b/0xab0 [ 5970.569163][ T74] process_one_work+0x84d/0x18a0 [ 5970.569163][ T74] worker_thread+0x587/0xd30 [ 5970.569163][ T74] kthread+0x28a/0x350 [ 5970.569163][ T74] ret_from_fork+0x31/0x70 [ 5970.569163][ T74] ret_from_fork_asm+0x1a/0x30 [ 5970.569163][ T74] [ 5970.571072][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5970.571072][ T74] netdev_get_by_index+0x5e/0x80 [ 5970.571072][ T74] fib6_nh_init+0x3d8/0x1580 [ 5970.571072][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5970.571072][ T74] ip6_route_add+0x1c/0x140 [ 5970.571072][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5970.571072][ T74] inet6_addr_add+0x4f8/0xa40 [ 5970.571072][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5970.571072][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5970.571072][ T74] netlink_rcv_skb+0x130/0x360 [ 5970.571072][ T74] netlink_unicast+0x449/0x710 [ 5970.571072][ T74] netlink_sendmsg+0x723/0xbe0 [ 5970.571072][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5970.571072][ T74] ___sys_sendmsg+0xee/0x170 [ 5970.571072][ T74] __sys_sendmsg+0xcd/0x170 [ 5970.571072][ T74] do_syscall_64+0xc6/0x1e0 [ 5970.571072][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5970.571072][ T74] [ 5970.573063][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5970.573063][ T74] netdev_get_by_index+0x5e/0x80 [ 5970.573063][ T74] fib6_nh_init+0x3d8/0x1580 [ 5970.573063][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5970.573063][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5970.573063][ T74] ipv6_add_addr+0x411/0x2000 [ 5970.573063][ T74] inet6_addr_add+0x30e/0xa40 [ 5970.573063][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5970.573063][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5970.573063][ T74] netlink_rcv_skb+0x130/0x360 [ 5970.573063][ T74] netlink_unicast+0x449/0x710 [ 5970.573063][ T74] netlink_sendmsg+0x723/0xbe0 [ 5970.573063][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5970.573063][ T74] ___sys_sendmsg+0xee/0x170 [ 5970.573063][ T74] __sys_sendmsg+0xcd/0x170 [ 5970.573063][ T74] do_syscall_64+0xc6/0x1e0 [ 5970.573063][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5970.573063][ T74] [ 5970.575051][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5970.575051][ T74] netdev_get_by_index+0x5e/0x80 [ 5970.575051][ T74] fib6_nh_init+0x3d8/0x1580 [ 5970.575051][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5970.575051][ T74] ip6_route_add+0x1c/0x140 [ 5970.575051][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5970.575051][ T74] addrconf_add_dev+0xe2/0x170 [ 5970.575051][ T74] inet6_addr_add+0x12f/0xa40 [ 5970.575051][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5970.575051][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5970.575051][ T74] netlink_rcv_skb+0x130/0x360 [ 5970.575051][ T74] netlink_unicast+0x449/0x710 [ 5970.575051][ T74] netlink_sendmsg+0x723/0xbe0 [ 5970.575051][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5970.575051][ T74] ___sys_sendmsg+0xee/0x170 [ 5970.575051][ T74] __sys_sendmsg+0xcd/0x170 [ 5970.575051][ T74] do_syscall_64+0xc6/0x1e0 [ 5970.575051][ T74] [ 5970.577008][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5970.577008][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5970.577008][ T74] ipv6_find_idev+0x102/0x170 [ 5970.577008][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5970.577008][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5970.577008][ T74] netlink_rcv_skb+0x130/0x360 [ 5970.577008][ T74] netlink_unicast+0x449/0x710 [ 5970.577008][ T74] netlink_sendmsg+0x723/0xbe0 [ 5970.577008][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5970.577008][ T74] ___sys_sendmsg+0xee/0x170 [ 5970.577008][ T74] __sys_sendmsg+0xcd/0x170 [ 5970.577008][ T74] do_syscall_64+0xc6/0x1e0 [ 5970.577008][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5970.577008][ T74] [ 5970.578662][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5970.578662][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5970.578662][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5970.578662][ T74] ipv6_find_idev+0x102/0x170 [ 5970.578662][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5970.578662][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5970.578662][ T74] netlink_rcv_skb+0x130/0x360 [ 5970.578662][ T74] netlink_unicast+0x449/0x710 [ 5970.578662][ T74] netlink_sendmsg+0x723/0xbe0 [ 5970.578662][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5970.578662][ T74] ___sys_sendmsg+0xee/0x170 [ 5970.578662][ T74] __sys_sendmsg+0xcd/0x170 [ 5970.578662][ T74] do_syscall_64+0xc6/0x1e0 [ 5970.578662][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5970.578662][ T74] [ 5970.580583][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5970.580818][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5970.580818][ T74] netdev_get_by_index+0x5e/0x80 [ 5970.580818][ T74] fib6_nh_init+0x3d8/0x1580 [ 5970.580818][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5970.580818][ T74] ip6_route_add+0x1c/0x140 [ 5970.580818][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5970.580818][ T74] inet6_addr_add+0x4f8/0xa40 [ 5970.580818][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5970.580818][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5970.580818][ T74] netlink_rcv_skb+0x130/0x360 [ 5970.580818][ T74] netlink_unicast+0x449/0x710 [ 5970.580818][ T74] netlink_sendmsg+0x723/0xbe0 [ 5970.580818][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5970.580818][ T74] ___sys_sendmsg+0xee/0x170 [ 5970.580818][ T74] __sys_sendmsg+0xcd/0x170 [ 5970.580818][ T74] do_syscall_64+0xc6/0x1e0 [ 5970.580818][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5970.580818][ T74] [ 5970.583057][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5970.583057][ T74] netdev_get_by_index+0x5e/0x80 [ 5970.583057][ T74] fib6_nh_init+0x3d8/0x1580 [ 5970.583057][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5970.583057][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5970.583057][ T74] ipv6_add_addr+0x411/0x2000 [ 5970.583057][ T74] inet6_addr_add+0x30e/0xa40 [ 5970.583057][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5970.583057][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5970.583057][ T74] netlink_rcv_skb+0x130/0x360 [ 5970.583057][ T74] netlink_unicast+0x449/0x710 [ 5970.583057][ T74] netlink_sendmsg+0x723/0xbe0 [ 5970.583057][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5970.583057][ T74] ___sys_sendmsg+0xee/0x170 [ 5970.583057][ T74] __sys_sendmsg+0xcd/0x170 [ 5970.583057][ T74] do_syscall_64+0xc6/0x1e0 [ 5970.583057][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5970.583057][ T74] [ 5970.585344][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5970.585344][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5970.585344][ T74] ipv6_find_idev+0x102/0x170 [ 5970.585344][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5970.585344][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5970.585344][ T74] netlink_rcv_skb+0x130/0x360 [ 5970.585344][ T74] netlink_unicast+0x449/0x710 [ 5970.585344][ T74] netlink_sendmsg+0x723/0xbe0 [ 5970.585344][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5970.585344][ T74] ___sys_sendmsg+0xee/0x170 [ 5970.585344][ T74] __sys_sendmsg+0xcd/0x170 [ 5970.585344][ T74] do_syscall_64+0xc6/0x1e0 [ 5970.585344][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5970.585344][ T74] [ 5970.587055][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5970.587055][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5970.587055][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5970.587055][ T74] ipv6_find_idev+0x102/0x170 [ 5970.587055][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5970.587055][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5970.587055][ T74] netlink_rcv_skb+0x130/0x360 [ 5970.587055][ T74] netlink_unicast+0x449/0x710 [ 5970.587055][ T74] netlink_sendmsg+0x723/0xbe0 [ 5970.587055][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5970.587055][ T74] ___sys_sendmsg+0xee/0x170 [ 5970.587055][ T74] __sys_sendmsg+0xcd/0x170 [ 5970.587055][ T74] do_syscall_64+0xc6/0x1e0 [ 5970.587055][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5970.587055][ T74] [ 5980.839950][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5980.840390][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5980.840390][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5980.840390][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5980.840390][ T74] fib6_nh_init+0xa22/0x1580 [ 5980.840390][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5980.840390][ T74] ip6_route_add+0x1c/0x140 [ 5980.840390][ T74] inet6_rtm_newroute+0x104/0x110 [ 5980.840390][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5980.840390][ T74] netlink_rcv_skb+0x130/0x360 [ 5980.840390][ T74] netlink_unicast+0x449/0x710 [ 5980.840390][ T74] netlink_sendmsg+0x723/0xbe0 [ 5980.840390][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5980.840390][ T74] ___sys_sendmsg+0xee/0x170 [ 5980.840390][ T74] __sys_sendmsg+0xcd/0x170 [ 5980.840390][ T74] do_syscall_64+0xc6/0x1e0 [ 5980.840390][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5980.840390][ T74] [ 5980.842338][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5980.842338][ T74] netdev_get_by_index+0x5e/0x80 [ 5980.842338][ T74] fib6_nh_init+0x3d8/0x1580 [ 5980.842338][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5980.842338][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5980.842338][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5980.842338][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5980.842338][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5980.842338][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5980.842338][ T74] addrconf_dad_begin+0x310/0x670 [ 5980.842338][ T74] addrconf_dad_work+0x10b/0xab0 [ 5980.842338][ T74] process_one_work+0x84d/0x18a0 [ 5980.842338][ T74] worker_thread+0x587/0xd30 [ 5980.842338][ T74] kthread+0x28a/0x350 [ 5980.842338][ T74] ret_from_fork+0x31/0x70 [ 5980.842338][ T74] ret_from_fork_asm+0x1a/0x30 [ 5980.842338][ T74] [ 5980.844288][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5980.844288][ T74] netdev_get_by_index+0x5e/0x80 [ 5980.844288][ T74] fib6_nh_init+0x3d8/0x1580 [ 5980.844288][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5980.844288][ T74] ip6_route_add+0x1c/0x140 [ 5980.844288][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5980.844288][ T74] inet6_addr_add+0x4f8/0xa40 [ 5980.844288][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5980.844288][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5980.844288][ T74] netlink_rcv_skb+0x130/0x360 [ 5980.844288][ T74] netlink_unicast+0x449/0x710 [ 5980.844288][ T74] netlink_sendmsg+0x723/0xbe0 [ 5980.844288][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5980.844288][ T74] ___sys_sendmsg+0xee/0x170 [ 5980.844288][ T74] __sys_sendmsg+0xcd/0x170 [ 5980.844288][ T74] do_syscall_64+0xc6/0x1e0 [ 5980.844288][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5980.844288][ T74] [ 5980.846318][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5980.846318][ T74] netdev_get_by_index+0x5e/0x80 [ 5980.846318][ T74] fib6_nh_init+0x3d8/0x1580 [ 5980.846318][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5980.846318][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5980.846318][ T74] ipv6_add_addr+0x411/0x2000 [ 5980.846318][ T74] inet6_addr_add+0x30e/0xa40 [ 5980.846318][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5980.846318][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5980.846318][ T74] netlink_rcv_skb+0x130/0x360 [ 5980.846318][ T74] netlink_unicast+0x449/0x710 [ 5980.846318][ T74] netlink_sendmsg+0x723/0xbe0 [ 5980.846318][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5980.846318][ T74] ___sys_sendmsg+0xee/0x170 [ 5980.846318][ T74] __sys_sendmsg+0xcd/0x170 [ 5980.846318][ T74] do_syscall_64+0xc6/0x1e0 [ 5980.846318][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5980.846318][ T74] [ 5980.848359][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5980.848359][ T74] netdev_get_by_index+0x5e/0x80 [ 5980.848359][ T74] fib6_nh_init+0x3d8/0x1580 [ 5980.848359][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5980.848359][ T74] ip6_route_add+0x1c/0x140 [ 5980.848359][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5980.848359][ T74] addrconf_add_dev+0xe2/0x170 [ 5980.848359][ T74] inet6_addr_add+0x12f/0xa40 [ 5980.848359][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5980.848359][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5980.848359][ T74] netlink_rcv_skb+0x130/0x360 [ 5980.848359][ T74] netlink_unicast+0x449/0x710 [ 5980.848359][ T74] netlink_sendmsg+0x723/0xbe0 [ 5980.848359][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5980.848359][ T74] ___sys_sendmsg+0xee/0x170 [ 5980.848359][ T74] __sys_sendmsg+0xcd/0x170 [ 5980.848359][ T74] do_syscall_64+0xc6/0x1e0 [ 5980.848359][ T74] [ 5980.850344][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5980.850344][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5980.850344][ T74] ipv6_find_idev+0x102/0x170 [ 5980.850344][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5980.850344][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5980.850344][ T74] netlink_rcv_skb+0x130/0x360 [ 5980.850344][ T74] netlink_unicast+0x449/0x710 [ 5980.850344][ T74] netlink_sendmsg+0x723/0xbe0 [ 5980.850344][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5980.850344][ T74] ___sys_sendmsg+0xee/0x170 [ 5980.850344][ T74] __sys_sendmsg+0xcd/0x170 [ 5980.850344][ T74] do_syscall_64+0xc6/0x1e0 [ 5980.850344][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5980.850344][ T74] [ 5980.851921][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5980.851921][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5980.851921][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5980.851921][ T74] ipv6_find_idev+0x102/0x170 [ 5980.851921][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5980.851921][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5980.851921][ T74] netlink_rcv_skb+0x130/0x360 [ 5980.851921][ T74] netlink_unicast+0x449/0x710 [ 5980.851921][ T74] netlink_sendmsg+0x723/0xbe0 [ 5980.851921][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5980.851921][ T74] ___sys_sendmsg+0xee/0x170 [ 5980.851921][ T74] __sys_sendmsg+0xcd/0x170 [ 5980.851921][ T74] do_syscall_64+0xc6/0x1e0 [ 5980.851921][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5980.851921][ T74] [ 5980.853639][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5980.853929][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5980.853929][ T74] dst_init+0x84/0x4a0 [ 5980.853929][ T74] dst_alloc+0x97/0x150 [ 5980.853929][ T74] ip6_dst_alloc+0x23/0x90 [ 5980.853929][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5980.853929][ T74] ip6_pol_route+0x56f/0x840 [ 5980.853929][ T74] fib6_rule_lookup+0x456/0x630 [ 5980.853929][ T74] ip6_route_input+0x59c/0xa50 [ 5980.853929][ T74] ipv6_rcv+0x397/0x810 [ 5980.853929][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5980.853929][ T74] process_backlog+0x101/0x620 [ 5980.853929][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5980.853929][ T74] net_rx_action+0x495/0xbe0 [ 5980.853929][ T74] __do_softirq+0x1b5/0x7f6 [ 5980.853929][ T74] [ 5980.855580][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5980.855580][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5980.855580][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5980.855580][ T74] fib6_nh_init+0xa22/0x1580 [ 5980.855580][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5980.855580][ T74] ip6_route_add+0x1c/0x140 [ 5980.855580][ T74] inet6_rtm_newroute+0x104/0x110 [ 5980.855580][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5980.855580][ T74] netlink_rcv_skb+0x130/0x360 [ 5980.855580][ T74] netlink_unicast+0x449/0x710 [ 5980.855580][ T74] netlink_sendmsg+0x723/0xbe0 [ 5980.855580][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5980.855580][ T74] ___sys_sendmsg+0xee/0x170 [ 5980.855580][ T74] __sys_sendmsg+0xcd/0x170 [ 5980.855580][ T74] do_syscall_64+0xc6/0x1e0 [ 5980.855580][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5980.855580][ T74] [ 5980.857477][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5980.857477][ T74] netdev_get_by_index+0x5e/0x80 [ 5980.857477][ T74] fib6_nh_init+0x3d8/0x1580 [ 5980.857477][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5980.857477][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5980.857477][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5980.857477][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5980.857477][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5980.857477][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5980.857477][ T74] addrconf_dad_begin+0x310/0x670 [ 5980.857477][ T74] addrconf_dad_work+0x10b/0xab0 [ 5980.857477][ T74] process_one_work+0x84d/0x18a0 [ 5980.857477][ T74] worker_thread+0x587/0xd30 [ 5980.857477][ T74] kthread+0x28a/0x350 [ 5980.857477][ T74] ret_from_fork+0x31/0x70 [ 5980.857477][ T74] ret_from_fork_asm+0x1a/0x30 [ 5980.857477][ T74] [ 5980.859400][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5980.859400][ T74] netdev_get_by_index+0x5e/0x80 [ 5980.859400][ T74] fib6_nh_init+0x3d8/0x1580 [ 5980.859400][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5980.859400][ T74] ip6_route_add+0x1c/0x140 [ 5980.859400][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5980.859400][ T74] inet6_addr_add+0x4f8/0xa40 [ 5980.859400][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5980.859400][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5980.859400][ T74] netlink_rcv_skb+0x130/0x360 [ 5980.859400][ T74] netlink_unicast+0x449/0x710 [ 5980.859400][ T74] netlink_sendmsg+0x723/0xbe0 [ 5980.859400][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5980.859400][ T74] ___sys_sendmsg+0xee/0x170 [ 5980.859400][ T74] __sys_sendmsg+0xcd/0x170 [ 5980.859400][ T74] do_syscall_64+0xc6/0x1e0 [ 5980.859400][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5980.859400][ T74] [ 5980.861423][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5980.861423][ T74] netdev_get_by_index+0x5e/0x80 [ 5980.861423][ T74] fib6_nh_init+0x3d8/0x1580 [ 5980.861423][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5980.861423][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5980.861423][ T74] ipv6_add_addr+0x411/0x2000 [ 5980.861423][ T74] inet6_addr_add+0x30e/0xa40 [ 5980.861423][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5980.861423][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5980.861423][ T74] netlink_rcv_skb+0x130/0x360 [ 5980.861423][ T74] netlink_unicast+0x449/0x710 [ 5980.861423][ T74] netlink_sendmsg+0x723/0xbe0 [ 5980.861423][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5980.861423][ T74] ___sys_sendmsg+0xee/0x170 [ 5980.861423][ T74] __sys_sendmsg+0xcd/0x170 [ 5980.861423][ T74] do_syscall_64+0xc6/0x1e0 [ 5980.861423][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5980.861423][ T74] [ 5980.863431][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5980.863431][ T74] netdev_get_by_index+0x5e/0x80 [ 5980.863431][ T74] fib6_nh_init+0x3d8/0x1580 [ 5980.863431][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5980.863431][ T74] ip6_route_add+0x1c/0x140 [ 5980.863431][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5980.863431][ T74] addrconf_add_dev+0xe2/0x170 [ 5980.863431][ T74] inet6_addr_add+0x12f/0xa40 [ 5980.863431][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5980.863431][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5980.863431][ T74] netlink_rcv_skb+0x130/0x360 [ 5980.863431][ T74] netlink_unicast+0x449/0x710 [ 5980.863431][ T74] netlink_sendmsg+0x723/0xbe0 [ 5980.863431][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5980.863431][ T74] ___sys_sendmsg+0xee/0x170 [ 5980.863431][ T74] __sys_sendmsg+0xcd/0x170 [ 5980.863431][ T74] do_syscall_64+0xc6/0x1e0 [ 5980.863431][ T74] [ 5980.865419][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5980.865419][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5980.865419][ T74] ipv6_find_idev+0x102/0x170 [ 5980.865419][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5980.865419][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5980.865419][ T74] netlink_rcv_skb+0x130/0x360 [ 5980.865419][ T74] netlink_unicast+0x449/0x710 [ 5980.865419][ T74] netlink_sendmsg+0x723/0xbe0 [ 5980.865419][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5980.865419][ T74] ___sys_sendmsg+0xee/0x170 [ 5980.865419][ T74] __sys_sendmsg+0xcd/0x170 [ 5980.865419][ T74] do_syscall_64+0xc6/0x1e0 [ 5980.865419][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5980.865419][ T74] [ 5980.867156][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5980.867156][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5980.867156][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5980.867156][ T74] ipv6_find_idev+0x102/0x170 [ 5980.867156][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5980.867156][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5980.867156][ T74] netlink_rcv_skb+0x130/0x360 [ 5980.867156][ T74] netlink_unicast+0x449/0x710 [ 5980.867156][ T74] netlink_sendmsg+0x723/0xbe0 [ 5980.867156][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5980.867156][ T74] ___sys_sendmsg+0xee/0x170 [ 5980.867156][ T74] __sys_sendmsg+0xcd/0x170 [ 5980.867156][ T74] do_syscall_64+0xc6/0x1e0 [ 5980.867156][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5980.867156][ T74] [ 5980.869037][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5980.869348][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5980.869348][ T74] netdev_get_by_index+0x5e/0x80 [ 5980.869348][ T74] fib6_nh_init+0x3d8/0x1580 [ 5980.869348][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5980.869348][ T74] ip6_route_add+0x1c/0x140 [ 5980.869348][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5980.869348][ T74] inet6_addr_add+0x4f8/0xa40 [ 5980.869348][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5980.869348][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5980.869348][ T74] netlink_rcv_skb+0x130/0x360 [ 5980.869348][ T74] netlink_unicast+0x449/0x710 [ 5980.869348][ T74] netlink_sendmsg+0x723/0xbe0 [ 5980.869348][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5980.869348][ T74] ___sys_sendmsg+0xee/0x170 [ 5980.869348][ T74] __sys_sendmsg+0xcd/0x170 [ 5980.869348][ T74] do_syscall_64+0xc6/0x1e0 [ 5980.869348][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5980.869348][ T74] [ 5980.871558][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5980.871558][ T74] netdev_get_by_index+0x5e/0x80 [ 5980.871558][ T74] fib6_nh_init+0x3d8/0x1580 [ 5980.871558][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5980.871558][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5980.871558][ T74] ipv6_add_addr+0x411/0x2000 [ 5980.871558][ T74] inet6_addr_add+0x30e/0xa40 [ 5980.871558][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5980.871558][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5980.871558][ T74] netlink_rcv_skb+0x130/0x360 [ 5980.871558][ T74] netlink_unicast+0x449/0x710 [ 5980.871558][ T74] netlink_sendmsg+0x723/0xbe0 [ 5980.871558][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5980.871558][ T74] ___sys_sendmsg+0xee/0x170 [ 5980.871558][ T74] __sys_sendmsg+0xcd/0x170 [ 5980.871558][ T74] do_syscall_64+0xc6/0x1e0 [ 5980.871558][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5980.871558][ T74] [ 5980.873823][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5980.873823][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5980.873823][ T74] ipv6_find_idev+0x102/0x170 [ 5980.873823][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5980.873823][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5980.873823][ T74] netlink_rcv_skb+0x130/0x360 [ 5980.873823][ T74] netlink_unicast+0x449/0x710 [ 5980.873823][ T74] netlink_sendmsg+0x723/0xbe0 [ 5980.873823][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5980.873823][ T74] ___sys_sendmsg+0xee/0x170 [ 5980.873823][ T74] __sys_sendmsg+0xcd/0x170 [ 5980.873823][ T74] do_syscall_64+0xc6/0x1e0 [ 5980.873823][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5980.873823][ T74] [ 5980.875614][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5980.875614][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5980.875614][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5980.875614][ T74] ipv6_find_idev+0x102/0x170 [ 5980.875614][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5980.875614][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5980.875614][ T74] netlink_rcv_skb+0x130/0x360 [ 5980.875614][ T74] netlink_unicast+0x449/0x710 [ 5980.875614][ T74] netlink_sendmsg+0x723/0xbe0 [ 5980.875614][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5980.875614][ T74] ___sys_sendmsg+0xee/0x170 [ 5980.875614][ T74] __sys_sendmsg+0xcd/0x170 [ 5980.875614][ T74] do_syscall_64+0xc6/0x1e0 [ 5980.875614][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5980.875614][ T74] [ 5990.879970][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 5990.880422][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5990.880422][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5990.880422][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5990.880422][ T74] fib6_nh_init+0xa22/0x1580 [ 5990.880422][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5990.880422][ T74] ip6_route_add+0x1c/0x140 [ 5990.880422][ T74] inet6_rtm_newroute+0x104/0x110 [ 5990.880422][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5990.880422][ T74] netlink_rcv_skb+0x130/0x360 [ 5990.880422][ T74] netlink_unicast+0x449/0x710 [ 5990.880422][ T74] netlink_sendmsg+0x723/0xbe0 [ 5990.880422][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5990.880422][ T74] ___sys_sendmsg+0xee/0x170 [ 5990.880422][ T74] __sys_sendmsg+0xcd/0x170 [ 5990.880422][ T74] do_syscall_64+0xc6/0x1e0 [ 5990.880422][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5990.880422][ T74] [ 5990.882345][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5990.882345][ T74] netdev_get_by_index+0x5e/0x80 [ 5990.882345][ T74] fib6_nh_init+0x3d8/0x1580 [ 5990.882345][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5990.882345][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5990.882345][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5990.882345][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5990.882345][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5990.882345][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5990.882345][ T74] addrconf_dad_begin+0x310/0x670 [ 5990.882345][ T74] addrconf_dad_work+0x10b/0xab0 [ 5990.882345][ T74] process_one_work+0x84d/0x18a0 [ 5990.882345][ T74] worker_thread+0x587/0xd30 [ 5990.882345][ T74] kthread+0x28a/0x350 [ 5990.882345][ T74] ret_from_fork+0x31/0x70 [ 5990.882345][ T74] ret_from_fork_asm+0x1a/0x30 [ 5990.882345][ T74] [ 5990.884269][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5990.884269][ T74] netdev_get_by_index+0x5e/0x80 [ 5990.884269][ T74] fib6_nh_init+0x3d8/0x1580 [ 5990.884269][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5990.884269][ T74] ip6_route_add+0x1c/0x140 [ 5990.884269][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5990.884269][ T74] inet6_addr_add+0x4f8/0xa40 [ 5990.884269][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5990.884269][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5990.884269][ T74] netlink_rcv_skb+0x130/0x360 [ 5990.884269][ T74] netlink_unicast+0x449/0x710 [ 5990.884269][ T74] netlink_sendmsg+0x723/0xbe0 [ 5990.884269][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5990.884269][ T74] ___sys_sendmsg+0xee/0x170 [ 5990.884269][ T74] __sys_sendmsg+0xcd/0x170 [ 5990.884269][ T74] do_syscall_64+0xc6/0x1e0 [ 5990.884269][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5990.884269][ T74] [ 5990.886282][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5990.886282][ T74] netdev_get_by_index+0x5e/0x80 [ 5990.886282][ T74] fib6_nh_init+0x3d8/0x1580 [ 5990.886282][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5990.886282][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5990.886282][ T74] ipv6_add_addr+0x411/0x2000 [ 5990.886282][ T74] inet6_addr_add+0x30e/0xa40 [ 5990.886282][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5990.886282][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5990.886282][ T74] netlink_rcv_skb+0x130/0x360 [ 5990.886282][ T74] netlink_unicast+0x449/0x710 [ 5990.886282][ T74] netlink_sendmsg+0x723/0xbe0 [ 5990.886282][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5990.886282][ T74] ___sys_sendmsg+0xee/0x170 [ 5990.886282][ T74] __sys_sendmsg+0xcd/0x170 [ 5990.886282][ T74] do_syscall_64+0xc6/0x1e0 [ 5990.886282][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5990.886282][ T74] [ 5990.888296][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5990.888296][ T74] netdev_get_by_index+0x5e/0x80 [ 5990.888296][ T74] fib6_nh_init+0x3d8/0x1580 [ 5990.888296][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5990.888296][ T74] ip6_route_add+0x1c/0x140 [ 5990.888296][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5990.888296][ T74] addrconf_add_dev+0xe2/0x170 [ 5990.888296][ T74] inet6_addr_add+0x12f/0xa40 [ 5990.888296][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5990.888296][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5990.888296][ T74] netlink_rcv_skb+0x130/0x360 [ 5990.888296][ T74] netlink_unicast+0x449/0x710 [ 5990.888296][ T74] netlink_sendmsg+0x723/0xbe0 [ 5990.888296][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5990.888296][ T74] ___sys_sendmsg+0xee/0x170 [ 5990.888296][ T74] __sys_sendmsg+0xcd/0x170 [ 5990.888296][ T74] do_syscall_64+0xc6/0x1e0 [ 5990.888296][ T74] [ 5990.890274][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5990.890274][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5990.890274][ T74] ipv6_find_idev+0x102/0x170 [ 5990.890274][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5990.890274][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5990.890274][ T74] netlink_rcv_skb+0x130/0x360 [ 5990.890274][ T74] netlink_unicast+0x449/0x710 [ 5990.890274][ T74] netlink_sendmsg+0x723/0xbe0 [ 5990.890274][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5990.890274][ T74] ___sys_sendmsg+0xee/0x170 [ 5990.890274][ T74] __sys_sendmsg+0xcd/0x170 [ 5990.890274][ T74] do_syscall_64+0xc6/0x1e0 [ 5990.890274][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5990.890274][ T74] [ 5990.891968][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 5990.891968][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5990.891968][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5990.891968][ T74] ipv6_find_idev+0x102/0x170 [ 5990.891968][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5990.891968][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5990.891968][ T74] netlink_rcv_skb+0x130/0x360 [ 5990.891968][ T74] netlink_unicast+0x449/0x710 [ 5990.891968][ T74] netlink_sendmsg+0x723/0xbe0 [ 5990.891968][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5990.891968][ T74] ___sys_sendmsg+0xee/0x170 [ 5990.891968][ T74] __sys_sendmsg+0xcd/0x170 [ 5990.891968][ T74] do_syscall_64+0xc6/0x1e0 [ 5990.891968][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5990.891968][ T74] [ 5990.893686][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 5990.893974][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 5990.893974][ T74] dst_init+0x84/0x4a0 [ 5990.893974][ T74] dst_alloc+0x97/0x150 [ 5990.893974][ T74] ip6_dst_alloc+0x23/0x90 [ 5990.893974][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 5990.893974][ T74] ip6_pol_route+0x56f/0x840 [ 5990.893974][ T74] fib6_rule_lookup+0x456/0x630 [ 5990.893974][ T74] ip6_route_input+0x59c/0xa50 [ 5990.893974][ T74] ipv6_rcv+0x397/0x810 [ 5990.893974][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 5990.893974][ T74] process_backlog+0x101/0x620 [ 5990.893974][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 5990.893974][ T74] net_rx_action+0x495/0xbe0 [ 5990.893974][ T74] __do_softirq+0x1b5/0x7f6 [ 5990.893974][ T74] [ 5990.895627][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5990.895627][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 5990.895627][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 5990.895627][ T74] fib6_nh_init+0xa22/0x1580 [ 5990.895627][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5990.895627][ T74] ip6_route_add+0x1c/0x140 [ 5990.895627][ T74] inet6_rtm_newroute+0x104/0x110 [ 5990.895627][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5990.895627][ T74] netlink_rcv_skb+0x130/0x360 [ 5990.895627][ T74] netlink_unicast+0x449/0x710 [ 5990.895627][ T74] netlink_sendmsg+0x723/0xbe0 [ 5990.895627][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5990.895627][ T74] ___sys_sendmsg+0xee/0x170 [ 5990.895627][ T74] __sys_sendmsg+0xcd/0x170 [ 5990.895627][ T74] do_syscall_64+0xc6/0x1e0 [ 5990.895627][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5990.895627][ T74] [ 5990.897524][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5990.897524][ T74] netdev_get_by_index+0x5e/0x80 [ 5990.897524][ T74] fib6_nh_init+0x3d8/0x1580 [ 5990.897524][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5990.897524][ T74] addrconf_f6i_alloc+0x265/0x560 [ 5990.897524][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 5990.897524][ T74] addrconf_join_anycast+0x1c0/0x220 [ 5990.897524][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 5990.897524][ T74] addrconf_dad_completed+0x12b/0xe20 [ 5990.897524][ T74] addrconf_dad_begin+0x310/0x670 [ 5990.897524][ T74] addrconf_dad_work+0x10b/0xab0 [ 5990.897524][ T74] process_one_work+0x84d/0x18a0 [ 5990.897524][ T74] worker_thread+0x587/0xd30 [ 5990.897524][ T74] kthread+0x28a/0x350 [ 5990.897524][ T74] ret_from_fork+0x31/0x70 [ 5990.897524][ T74] ret_from_fork_asm+0x1a/0x30 [ 5990.897524][ T74] [ 5990.899434][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5990.899434][ T74] netdev_get_by_index+0x5e/0x80 [ 5990.899434][ T74] fib6_nh_init+0x3d8/0x1580 [ 5990.899434][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5990.899434][ T74] ip6_route_add+0x1c/0x140 [ 5990.899434][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5990.899434][ T74] inet6_addr_add+0x4f8/0xa40 [ 5990.899434][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5990.899434][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5990.899434][ T74] netlink_rcv_skb+0x130/0x360 [ 5990.899434][ T74] netlink_unicast+0x449/0x710 [ 5990.899434][ T74] netlink_sendmsg+0x723/0xbe0 [ 5990.899434][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5990.899434][ T74] ___sys_sendmsg+0xee/0x170 [ 5990.899434][ T74] __sys_sendmsg+0xcd/0x170 [ 5990.899434][ T74] do_syscall_64+0xc6/0x1e0 [ 5990.899434][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5990.899434][ T74] [ 5990.901444][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5990.901444][ T74] netdev_get_by_index+0x5e/0x80 [ 5990.901444][ T74] fib6_nh_init+0x3d8/0x1580 [ 5990.901444][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5990.901444][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5990.901444][ T74] ipv6_add_addr+0x411/0x2000 [ 5990.901444][ T74] inet6_addr_add+0x30e/0xa40 [ 5990.901444][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5990.901444][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5990.901444][ T74] netlink_rcv_skb+0x130/0x360 [ 5990.901444][ T74] netlink_unicast+0x449/0x710 [ 5990.901444][ T74] netlink_sendmsg+0x723/0xbe0 [ 5990.901444][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5990.901444][ T74] ___sys_sendmsg+0xee/0x170 [ 5990.901444][ T74] __sys_sendmsg+0xcd/0x170 [ 5990.901444][ T74] do_syscall_64+0xc6/0x1e0 [ 5990.901444][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5990.901444][ T74] [ 5990.903462][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5990.903462][ T74] netdev_get_by_index+0x5e/0x80 [ 5990.903462][ T74] fib6_nh_init+0x3d8/0x1580 [ 5990.903462][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5990.903462][ T74] ip6_route_add+0x1c/0x140 [ 5990.903462][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 5990.903462][ T74] addrconf_add_dev+0xe2/0x170 [ 5990.903462][ T74] inet6_addr_add+0x12f/0xa40 [ 5990.903462][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5990.903462][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5990.903462][ T74] netlink_rcv_skb+0x130/0x360 [ 5990.903462][ T74] netlink_unicast+0x449/0x710 [ 5990.903462][ T74] netlink_sendmsg+0x723/0xbe0 [ 5990.903462][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5990.903462][ T74] ___sys_sendmsg+0xee/0x170 [ 5990.903462][ T74] __sys_sendmsg+0xcd/0x170 [ 5990.903462][ T74] do_syscall_64+0xc6/0x1e0 [ 5990.903462][ T74] [ 5990.905434][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5990.905434][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5990.905434][ T74] ipv6_find_idev+0x102/0x170 [ 5990.905434][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5990.905434][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5990.905434][ T74] netlink_rcv_skb+0x130/0x360 [ 5990.905434][ T74] netlink_unicast+0x449/0x710 [ 5990.905434][ T74] netlink_sendmsg+0x723/0xbe0 [ 5990.905434][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5990.905434][ T74] ___sys_sendmsg+0xee/0x170 [ 5990.905434][ T74] __sys_sendmsg+0xcd/0x170 [ 5990.905434][ T74] do_syscall_64+0xc6/0x1e0 [ 5990.905434][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5990.905434][ T74] [ 5990.907126][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 5990.907126][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5990.907126][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5990.907126][ T74] ipv6_find_idev+0x102/0x170 [ 5990.907126][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5990.907126][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5990.907126][ T74] netlink_rcv_skb+0x130/0x360 [ 5990.907126][ T74] netlink_unicast+0x449/0x710 [ 5990.907126][ T74] netlink_sendmsg+0x723/0xbe0 [ 5990.907126][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5990.907126][ T74] ___sys_sendmsg+0xee/0x170 [ 5990.907126][ T74] __sys_sendmsg+0xcd/0x170 [ 5990.907126][ T74] do_syscall_64+0xc6/0x1e0 [ 5990.907126][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5990.907126][ T74] [ 5990.908953][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 5990.909201][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5990.909201][ T74] netdev_get_by_index+0x5e/0x80 [ 5990.909201][ T74] fib6_nh_init+0x3d8/0x1580 [ 5990.909201][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5990.909201][ T74] ip6_route_add+0x1c/0x140 [ 5990.909201][ T74] addrconf_prefix_route+0x2a6/0x430 [ 5990.909201][ T74] inet6_addr_add+0x4f8/0xa40 [ 5990.909201][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5990.909201][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5990.909201][ T74] netlink_rcv_skb+0x130/0x360 [ 5990.909201][ T74] netlink_unicast+0x449/0x710 [ 5990.909201][ T74] netlink_sendmsg+0x723/0xbe0 [ 5990.909201][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5990.909201][ T74] ___sys_sendmsg+0xee/0x170 [ 5990.909201][ T74] __sys_sendmsg+0xcd/0x170 [ 5990.909201][ T74] do_syscall_64+0xc6/0x1e0 [ 5990.909201][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5990.909201][ T74] [ 5990.911343][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5990.911343][ T74] netdev_get_by_index+0x5e/0x80 [ 5990.911343][ T74] fib6_nh_init+0x3d8/0x1580 [ 5990.911343][ T74] ip6_route_info_create+0xf18/0x17d0 [ 5990.911343][ T74] addrconf_f6i_alloc+0x315/0x560 [ 5990.911343][ T74] ipv6_add_addr+0x411/0x2000 [ 5990.911343][ T74] inet6_addr_add+0x30e/0xa40 [ 5990.911343][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 5990.911343][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5990.911343][ T74] netlink_rcv_skb+0x130/0x360 [ 5990.911343][ T74] netlink_unicast+0x449/0x710 [ 5990.911343][ T74] netlink_sendmsg+0x723/0xbe0 [ 5990.911343][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5990.911343][ T74] ___sys_sendmsg+0xee/0x170 [ 5990.911343][ T74] __sys_sendmsg+0xcd/0x170 [ 5990.911343][ T74] do_syscall_64+0xc6/0x1e0 [ 5990.911343][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5990.911343][ T74] [ 5990.913474][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5990.913474][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 5990.913474][ T74] ipv6_find_idev+0x102/0x170 [ 5990.913474][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5990.913474][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5990.913474][ T74] netlink_rcv_skb+0x130/0x360 [ 5990.913474][ T74] netlink_unicast+0x449/0x710 [ 5990.913474][ T74] netlink_sendmsg+0x723/0xbe0 [ 5990.913474][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5990.913474][ T74] ___sys_sendmsg+0xee/0x170 [ 5990.913474][ T74] __sys_sendmsg+0xcd/0x170 [ 5990.913474][ T74] do_syscall_64+0xc6/0x1e0 [ 5990.913474][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5990.913474][ T74] [ 5990.915080][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 5990.915080][ T74] neigh_parms_alloc+0x1e5/0x510 [ 5990.915080][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 5990.915080][ T74] ipv6_find_idev+0x102/0x170 [ 5990.915080][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 5990.915080][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5990.915080][ T74] netlink_rcv_skb+0x130/0x360 [ 5990.915080][ T74] netlink_unicast+0x449/0x710 [ 5990.915080][ T74] netlink_sendmsg+0x723/0xbe0 [ 5990.915080][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 5990.915080][ T74] ___sys_sendmsg+0xee/0x170 [ 5990.915080][ T74] __sys_sendmsg+0xcd/0x170 [ 5990.915080][ T74] do_syscall_64+0xc6/0x1e0 [ 5990.915080][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5990.915080][ T74] [ 6001.159952][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6001.160331][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6001.160331][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6001.160331][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6001.160331][ T74] fib6_nh_init+0xa22/0x1580 [ 6001.160331][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6001.160331][ T74] ip6_route_add+0x1c/0x140 [ 6001.160331][ T74] inet6_rtm_newroute+0x104/0x110 [ 6001.160331][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6001.160331][ T74] netlink_rcv_skb+0x130/0x360 [ 6001.160331][ T74] netlink_unicast+0x449/0x710 [ 6001.160331][ T74] netlink_sendmsg+0x723/0xbe0 [ 6001.160331][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6001.160331][ T74] ___sys_sendmsg+0xee/0x170 [ 6001.160331][ T74] __sys_sendmsg+0xcd/0x170 [ 6001.160331][ T74] do_syscall_64+0xc6/0x1e0 [ 6001.160331][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6001.160331][ T74] [ 6001.162265][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6001.162265][ T74] netdev_get_by_index+0x5e/0x80 [ 6001.162265][ T74] fib6_nh_init+0x3d8/0x1580 [ 6001.162265][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6001.162265][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6001.162265][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6001.162265][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6001.162265][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6001.162265][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6001.162265][ T74] addrconf_dad_begin+0x310/0x670 [ 6001.162265][ T74] addrconf_dad_work+0x10b/0xab0 [ 6001.162265][ T74] process_one_work+0x84d/0x18a0 [ 6001.162265][ T74] worker_thread+0x587/0xd30 [ 6001.162265][ T74] kthread+0x28a/0x350 [ 6001.162265][ T74] ret_from_fork+0x31/0x70 [ 6001.162265][ T74] ret_from_fork_asm+0x1a/0x30 [ 6001.162265][ T74] [ 6001.164203][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6001.164203][ T74] netdev_get_by_index+0x5e/0x80 [ 6001.164203][ T74] fib6_nh_init+0x3d8/0x1580 [ 6001.164203][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6001.164203][ T74] ip6_route_add+0x1c/0x140 [ 6001.164203][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6001.164203][ T74] inet6_addr_add+0x4f8/0xa40 [ 6001.164203][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6001.164203][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6001.164203][ T74] netlink_rcv_skb+0x130/0x360 [ 6001.164203][ T74] netlink_unicast+0x449/0x710 [ 6001.164203][ T74] netlink_sendmsg+0x723/0xbe0 [ 6001.164203][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6001.164203][ T74] ___sys_sendmsg+0xee/0x170 [ 6001.164203][ T74] __sys_sendmsg+0xcd/0x170 [ 6001.164203][ T74] do_syscall_64+0xc6/0x1e0 [ 6001.164203][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6001.164203][ T74] [ 6001.166347][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6001.166347][ T74] netdev_get_by_index+0x5e/0x80 [ 6001.166347][ T74] fib6_nh_init+0x3d8/0x1580 [ 6001.166347][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6001.166347][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6001.166347][ T74] ipv6_add_addr+0x411/0x2000 [ 6001.166347][ T74] inet6_addr_add+0x30e/0xa40 [ 6001.166347][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6001.166347][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6001.166347][ T74] netlink_rcv_skb+0x130/0x360 [ 6001.166347][ T74] netlink_unicast+0x449/0x710 [ 6001.166347][ T74] netlink_sendmsg+0x723/0xbe0 [ 6001.166347][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6001.166347][ T74] ___sys_sendmsg+0xee/0x170 [ 6001.166347][ T74] __sys_sendmsg+0xcd/0x170 [ 6001.166347][ T74] do_syscall_64+0xc6/0x1e0 [ 6001.166347][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6001.166347][ T74] [ 6001.168372][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6001.168372][ T74] netdev_get_by_index+0x5e/0x80 [ 6001.168372][ T74] fib6_nh_init+0x3d8/0x1580 [ 6001.168372][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6001.168372][ T74] ip6_route_add+0x1c/0x140 [ 6001.168372][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6001.168372][ T74] addrconf_add_dev+0xe2/0x170 [ 6001.168372][ T74] inet6_addr_add+0x12f/0xa40 [ 6001.168372][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6001.168372][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6001.168372][ T74] netlink_rcv_skb+0x130/0x360 [ 6001.168372][ T74] netlink_unicast+0x449/0x710 [ 6001.168372][ T74] netlink_sendmsg+0x723/0xbe0 [ 6001.168372][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6001.168372][ T74] ___sys_sendmsg+0xee/0x170 [ 6001.168372][ T74] __sys_sendmsg+0xcd/0x170 [ 6001.168372][ T74] do_syscall_64+0xc6/0x1e0 [ 6001.168372][ T74] [ 6001.170369][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6001.170369][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6001.170369][ T74] ipv6_find_idev+0x102/0x170 [ 6001.170369][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6001.170369][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6001.170369][ T74] netlink_rcv_skb+0x130/0x360 [ 6001.170369][ T74] netlink_unicast+0x449/0x710 [ 6001.170369][ T74] netlink_sendmsg+0x723/0xbe0 [ 6001.170369][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6001.170369][ T74] ___sys_sendmsg+0xee/0x170 [ 6001.170369][ T74] __sys_sendmsg+0xcd/0x170 [ 6001.170369][ T74] do_syscall_64+0xc6/0x1e0 [ 6001.170369][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6001.170369][ T74] [ 6001.172462][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6001.172462][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6001.172462][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6001.172462][ T74] ipv6_find_idev+0x102/0x170 [ 6001.172462][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6001.172462][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6001.172462][ T74] netlink_rcv_skb+0x130/0x360 [ 6001.172462][ T74] netlink_unicast+0x449/0x710 [ 6001.172462][ T74] netlink_sendmsg+0x723/0xbe0 [ 6001.172462][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6001.172462][ T74] ___sys_sendmsg+0xee/0x170 [ 6001.172462][ T74] __sys_sendmsg+0xcd/0x170 [ 6001.172462][ T74] do_syscall_64+0xc6/0x1e0 [ 6001.172462][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6001.172462][ T74] [ 6001.174177][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6001.174451][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6001.174451][ T74] dst_init+0x84/0x4a0 [ 6001.174451][ T74] dst_alloc+0x97/0x150 [ 6001.174451][ T74] ip6_dst_alloc+0x23/0x90 [ 6001.174451][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6001.174451][ T74] ip6_pol_route+0x56f/0x840 [ 6001.174451][ T74] fib6_rule_lookup+0x456/0x630 [ 6001.174451][ T74] ip6_route_input+0x59c/0xa50 [ 6001.174451][ T74] ipv6_rcv+0x397/0x810 [ 6001.174451][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6001.174451][ T74] process_backlog+0x101/0x620 [ 6001.174451][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6001.174451][ T74] net_rx_action+0x495/0xbe0 [ 6001.174451][ T74] __do_softirq+0x1b5/0x7f6 [ 6001.174451][ T74] [ 6001.176098][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6001.176098][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6001.176098][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6001.176098][ T74] fib6_nh_init+0xa22/0x1580 [ 6001.176098][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6001.176098][ T74] ip6_route_add+0x1c/0x140 [ 6001.176098][ T74] inet6_rtm_newroute+0x104/0x110 [ 6001.176098][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6001.176098][ T74] netlink_rcv_skb+0x130/0x360 [ 6001.176098][ T74] netlink_unicast+0x449/0x710 [ 6001.176098][ T74] netlink_sendmsg+0x723/0xbe0 [ 6001.176098][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6001.176098][ T74] ___sys_sendmsg+0xee/0x170 [ 6001.176098][ T74] __sys_sendmsg+0xcd/0x170 [ 6001.176098][ T74] do_syscall_64+0xc6/0x1e0 [ 6001.176098][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6001.176098][ T74] [ 6001.177995][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6001.177995][ T74] netdev_get_by_index+0x5e/0x80 [ 6001.177995][ T74] fib6_nh_init+0x3d8/0x1580 [ 6001.177995][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6001.177995][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6001.177995][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6001.177995][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6001.177995][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6001.177995][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6001.177995][ T74] addrconf_dad_begin+0x310/0x670 [ 6001.177995][ T74] addrconf_dad_work+0x10b/0xab0 [ 6001.177995][ T74] process_one_work+0x84d/0x18a0 [ 6001.177995][ T74] worker_thread+0x587/0xd30 [ 6001.177995][ T74] kthread+0x28a/0x350 [ 6001.177995][ T74] ret_from_fork+0x31/0x70 [ 6001.177995][ T74] ret_from_fork_asm+0x1a/0x30 [ 6001.177995][ T74] [ 6001.179909][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6001.179909][ T74] netdev_get_by_index+0x5e/0x80 [ 6001.179909][ T74] fib6_nh_init+0x3d8/0x1580 [ 6001.179909][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6001.179909][ T74] ip6_route_add+0x1c/0x140 [ 6001.179909][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6001.179909][ T74] inet6_addr_add+0x4f8/0xa40 [ 6001.179909][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6001.179909][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6001.179909][ T74] netlink_rcv_skb+0x130/0x360 [ 6001.179909][ T74] netlink_unicast+0x449/0x710 [ 6001.179909][ T74] netlink_sendmsg+0x723/0xbe0 [ 6001.179909][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6001.179909][ T74] ___sys_sendmsg+0xee/0x170 [ 6001.179909][ T74] __sys_sendmsg+0xcd/0x170 [ 6001.179909][ T74] do_syscall_64+0xc6/0x1e0 [ 6001.179909][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6001.179909][ T74] [ 6001.181925][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6001.181925][ T74] netdev_get_by_index+0x5e/0x80 [ 6001.181925][ T74] fib6_nh_init+0x3d8/0x1580 [ 6001.181925][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6001.181925][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6001.181925][ T74] ipv6_add_addr+0x411/0x2000 [ 6001.181925][ T74] inet6_addr_add+0x30e/0xa40 [ 6001.181925][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6001.181925][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6001.181925][ T74] netlink_rcv_skb+0x130/0x360 [ 6001.181925][ T74] netlink_unicast+0x449/0x710 [ 6001.181925][ T74] netlink_sendmsg+0x723/0xbe0 [ 6001.181925][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6001.181925][ T74] ___sys_sendmsg+0xee/0x170 [ 6001.181925][ T74] __sys_sendmsg+0xcd/0x170 [ 6001.181925][ T74] do_syscall_64+0xc6/0x1e0 [ 6001.181925][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6001.181925][ T74] [ 6001.183930][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6001.183930][ T74] netdev_get_by_index+0x5e/0x80 [ 6001.183930][ T74] fib6_nh_init+0x3d8/0x1580 [ 6001.183930][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6001.183930][ T74] ip6_route_add+0x1c/0x140 [ 6001.183930][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6001.183930][ T74] addrconf_add_dev+0xe2/0x170 [ 6001.183930][ T74] inet6_addr_add+0x12f/0xa40 [ 6001.183930][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6001.183930][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6001.183930][ T74] netlink_rcv_skb+0x130/0x360 [ 6001.183930][ T74] netlink_unicast+0x449/0x710 [ 6001.183930][ T74] netlink_sendmsg+0x723/0xbe0 [ 6001.183930][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6001.183930][ T74] ___sys_sendmsg+0xee/0x170 [ 6001.183930][ T74] __sys_sendmsg+0xcd/0x170 [ 6001.183930][ T74] do_syscall_64+0xc6/0x1e0 [ 6001.183930][ T74] [ 6001.185917][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6001.185917][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6001.185917][ T74] ipv6_find_idev+0x102/0x170 [ 6001.185917][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6001.185917][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6001.185917][ T74] netlink_rcv_skb+0x130/0x360 [ 6001.185917][ T74] netlink_unicast+0x449/0x710 [ 6001.185917][ T74] netlink_sendmsg+0x723/0xbe0 [ 6001.185917][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6001.185917][ T74] ___sys_sendmsg+0xee/0x170 [ 6001.185917][ T74] __sys_sendmsg+0xcd/0x170 [ 6001.185917][ T74] do_syscall_64+0xc6/0x1e0 [ 6001.185917][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6001.185917][ T74] [ 6001.187590][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6001.187590][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6001.187590][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6001.187590][ T74] ipv6_find_idev+0x102/0x170 [ 6001.187590][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6001.187590][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6001.187590][ T74] netlink_rcv_skb+0x130/0x360 [ 6001.187590][ T74] netlink_unicast+0x449/0x710 [ 6001.187590][ T74] netlink_sendmsg+0x723/0xbe0 [ 6001.187590][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6001.187590][ T74] ___sys_sendmsg+0xee/0x170 [ 6001.187590][ T74] __sys_sendmsg+0xcd/0x170 [ 6001.187590][ T74] do_syscall_64+0xc6/0x1e0 [ 6001.187590][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6001.187590][ T74] [ 6001.189528][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6001.189829][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6001.189829][ T74] netdev_get_by_index+0x5e/0x80 [ 6001.189829][ T74] fib6_nh_init+0x3d8/0x1580 [ 6001.189829][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6001.189829][ T74] ip6_route_add+0x1c/0x140 [ 6001.189829][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6001.189829][ T74] inet6_addr_add+0x4f8/0xa40 [ 6001.189829][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6001.189829][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6001.189829][ T74] netlink_rcv_skb+0x130/0x360 [ 6001.189829][ T74] netlink_unicast+0x449/0x710 [ 6001.189829][ T74] netlink_sendmsg+0x723/0xbe0 [ 6001.189829][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6001.189829][ T74] ___sys_sendmsg+0xee/0x170 [ 6001.189829][ T74] __sys_sendmsg+0xcd/0x170 [ 6001.189829][ T74] do_syscall_64+0xc6/0x1e0 [ 6001.189829][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6001.189829][ T74] [ 6001.192024][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6001.192024][ T74] netdev_get_by_index+0x5e/0x80 [ 6001.192024][ T74] fib6_nh_init+0x3d8/0x1580 [ 6001.192024][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6001.192024][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6001.192024][ T74] ipv6_add_addr+0x411/0x2000 [ 6001.192024][ T74] inet6_addr_add+0x30e/0xa40 [ 6001.192024][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6001.192024][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6001.192024][ T74] netlink_rcv_skb+0x130/0x360 [ 6001.192024][ T74] netlink_unicast+0x449/0x710 [ 6001.192024][ T74] netlink_sendmsg+0x723/0xbe0 [ 6001.192024][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6001.192024][ T74] ___sys_sendmsg+0xee/0x170 [ 6001.192024][ T74] __sys_sendmsg+0xcd/0x170 [ 6001.192024][ T74] do_syscall_64+0xc6/0x1e0 [ 6001.192024][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6001.192024][ T74] [ 6001.194263][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6001.194263][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6001.194263][ T74] ipv6_find_idev+0x102/0x170 [ 6001.194263][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6001.194263][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6001.194263][ T74] netlink_rcv_skb+0x130/0x360 [ 6001.194263][ T74] netlink_unicast+0x449/0x710 [ 6001.194263][ T74] netlink_sendmsg+0x723/0xbe0 [ 6001.194263][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6001.194263][ T74] ___sys_sendmsg+0xee/0x170 [ 6001.194263][ T74] __sys_sendmsg+0xcd/0x170 [ 6001.194263][ T74] do_syscall_64+0xc6/0x1e0 [ 6001.194263][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6001.194263][ T74] [ 6001.195979][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6001.195979][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6001.195979][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6001.195979][ T74] ipv6_find_idev+0x102/0x170 [ 6001.195979][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6001.195979][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6001.195979][ T74] netlink_rcv_skb+0x130/0x360 [ 6001.195979][ T74] netlink_unicast+0x449/0x710 [ 6001.195979][ T74] netlink_sendmsg+0x723/0xbe0 [ 6001.195979][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6001.195979][ T74] ___sys_sendmsg+0xee/0x170 [ 6001.195979][ T74] __sys_sendmsg+0xcd/0x170 [ 6001.195979][ T74] do_syscall_64+0xc6/0x1e0 [ 6001.195979][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6001.195979][ T74] [ 6011.439953][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6011.440402][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6011.440402][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6011.440402][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6011.440402][ T74] fib6_nh_init+0xa22/0x1580 [ 6011.440402][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6011.440402][ T74] ip6_route_add+0x1c/0x140 [ 6011.440402][ T74] inet6_rtm_newroute+0x104/0x110 [ 6011.440402][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6011.440402][ T74] netlink_rcv_skb+0x130/0x360 [ 6011.440402][ T74] netlink_unicast+0x449/0x710 [ 6011.440402][ T74] netlink_sendmsg+0x723/0xbe0 [ 6011.440402][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6011.440402][ T74] ___sys_sendmsg+0xee/0x170 [ 6011.440402][ T74] __sys_sendmsg+0xcd/0x170 [ 6011.440402][ T74] do_syscall_64+0xc6/0x1e0 [ 6011.440402][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6011.440402][ T74] [ 6011.442321][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6011.442321][ T74] netdev_get_by_index+0x5e/0x80 [ 6011.442321][ T74] fib6_nh_init+0x3d8/0x1580 [ 6011.442321][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6011.442321][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6011.442321][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6011.442321][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6011.442321][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6011.442321][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6011.442321][ T74] addrconf_dad_begin+0x310/0x670 [ 6011.442321][ T74] addrconf_dad_work+0x10b/0xab0 [ 6011.442321][ T74] process_one_work+0x84d/0x18a0 [ 6011.442321][ T74] worker_thread+0x587/0xd30 [ 6011.442321][ T74] kthread+0x28a/0x350 [ 6011.442321][ T74] ret_from_fork+0x31/0x70 [ 6011.442321][ T74] ret_from_fork_asm+0x1a/0x30 [ 6011.442321][ T74] [ 6011.444240][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6011.444240][ T74] netdev_get_by_index+0x5e/0x80 [ 6011.444240][ T74] fib6_nh_init+0x3d8/0x1580 [ 6011.444240][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6011.444240][ T74] ip6_route_add+0x1c/0x140 [ 6011.444240][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6011.444240][ T74] inet6_addr_add+0x4f8/0xa40 [ 6011.444240][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6011.444240][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6011.444240][ T74] netlink_rcv_skb+0x130/0x360 [ 6011.444240][ T74] netlink_unicast+0x449/0x710 [ 6011.444240][ T74] netlink_sendmsg+0x723/0xbe0 [ 6011.444240][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6011.444240][ T74] ___sys_sendmsg+0xee/0x170 [ 6011.444240][ T74] __sys_sendmsg+0xcd/0x170 [ 6011.444240][ T74] do_syscall_64+0xc6/0x1e0 [ 6011.444240][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6011.444240][ T74] [ 6011.446247][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6011.446247][ T74] netdev_get_by_index+0x5e/0x80 [ 6011.446247][ T74] fib6_nh_init+0x3d8/0x1580 [ 6011.446247][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6011.446247][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6011.446247][ T74] ipv6_add_addr+0x411/0x2000 [ 6011.446247][ T74] inet6_addr_add+0x30e/0xa40 [ 6011.446247][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6011.446247][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6011.446247][ T74] netlink_rcv_skb+0x130/0x360 [ 6011.446247][ T74] netlink_unicast+0x449/0x710 [ 6011.446247][ T74] netlink_sendmsg+0x723/0xbe0 [ 6011.446247][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6011.446247][ T74] ___sys_sendmsg+0xee/0x170 [ 6011.446247][ T74] __sys_sendmsg+0xcd/0x170 [ 6011.446247][ T74] do_syscall_64+0xc6/0x1e0 [ 6011.446247][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6011.446247][ T74] [ 6011.448252][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6011.448252][ T74] netdev_get_by_index+0x5e/0x80 [ 6011.448252][ T74] fib6_nh_init+0x3d8/0x1580 [ 6011.448252][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6011.448252][ T74] ip6_route_add+0x1c/0x140 [ 6011.448252][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6011.448252][ T74] addrconf_add_dev+0xe2/0x170 [ 6011.448252][ T74] inet6_addr_add+0x12f/0xa40 [ 6011.448252][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6011.448252][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6011.448252][ T74] netlink_rcv_skb+0x130/0x360 [ 6011.448252][ T74] netlink_unicast+0x449/0x710 [ 6011.448252][ T74] netlink_sendmsg+0x723/0xbe0 [ 6011.448252][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6011.448252][ T74] ___sys_sendmsg+0xee/0x170 [ 6011.448252][ T74] __sys_sendmsg+0xcd/0x170 [ 6011.448252][ T74] do_syscall_64+0xc6/0x1e0 [ 6011.448252][ T74] [ 6011.450229][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6011.450229][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6011.450229][ T74] ipv6_find_idev+0x102/0x170 [ 6011.450229][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6011.450229][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6011.450229][ T74] netlink_rcv_skb+0x130/0x360 [ 6011.450229][ T74] netlink_unicast+0x449/0x710 [ 6011.450229][ T74] netlink_sendmsg+0x723/0xbe0 [ 6011.450229][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6011.450229][ T74] ___sys_sendmsg+0xee/0x170 [ 6011.450229][ T74] __sys_sendmsg+0xcd/0x170 [ 6011.450229][ T74] do_syscall_64+0xc6/0x1e0 [ 6011.450229][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6011.450229][ T74] [ 6011.451785][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6011.451785][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6011.451785][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6011.451785][ T74] ipv6_find_idev+0x102/0x170 [ 6011.451785][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6011.451785][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6011.451785][ T74] netlink_rcv_skb+0x130/0x360 [ 6011.451785][ T74] netlink_unicast+0x449/0x710 [ 6011.451785][ T74] netlink_sendmsg+0x723/0xbe0 [ 6011.451785][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6011.451785][ T74] ___sys_sendmsg+0xee/0x170 [ 6011.451785][ T74] __sys_sendmsg+0xcd/0x170 [ 6011.451785][ T74] do_syscall_64+0xc6/0x1e0 [ 6011.451785][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6011.451785][ T74] [ 6011.453508][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6011.453785][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6011.453785][ T74] dst_init+0x84/0x4a0 [ 6011.453785][ T74] dst_alloc+0x97/0x150 [ 6011.453785][ T74] ip6_dst_alloc+0x23/0x90 [ 6011.453785][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6011.453785][ T74] ip6_pol_route+0x56f/0x840 [ 6011.453785][ T74] fib6_rule_lookup+0x456/0x630 [ 6011.453785][ T74] ip6_route_input+0x59c/0xa50 [ 6011.453785][ T74] ipv6_rcv+0x397/0x810 [ 6011.453785][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6011.453785][ T74] process_backlog+0x101/0x620 [ 6011.453785][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6011.453785][ T74] net_rx_action+0x495/0xbe0 [ 6011.453785][ T74] __do_softirq+0x1b5/0x7f6 [ 6011.453785][ T74] [ 6011.455430][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6011.455430][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6011.455430][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6011.455430][ T74] fib6_nh_init+0xa22/0x1580 [ 6011.455430][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6011.455430][ T74] ip6_route_add+0x1c/0x140 [ 6011.455430][ T74] inet6_rtm_newroute+0x104/0x110 [ 6011.455430][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6011.455430][ T74] netlink_rcv_skb+0x130/0x360 [ 6011.455430][ T74] netlink_unicast+0x449/0x710 [ 6011.455430][ T74] netlink_sendmsg+0x723/0xbe0 [ 6011.455430][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6011.455430][ T74] ___sys_sendmsg+0xee/0x170 [ 6011.455430][ T74] __sys_sendmsg+0xcd/0x170 [ 6011.455430][ T74] do_syscall_64+0xc6/0x1e0 [ 6011.455430][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6011.455430][ T74] [ 6011.457321][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6011.457321][ T74] netdev_get_by_index+0x5e/0x80 [ 6011.457321][ T74] fib6_nh_init+0x3d8/0x1580 [ 6011.457321][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6011.457321][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6011.457321][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6011.457321][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6011.457321][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6011.457321][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6011.457321][ T74] addrconf_dad_begin+0x310/0x670 [ 6011.457321][ T74] addrconf_dad_work+0x10b/0xab0 [ 6011.457321][ T74] process_one_work+0x84d/0x18a0 [ 6011.457321][ T74] worker_thread+0x587/0xd30 [ 6011.457321][ T74] kthread+0x28a/0x350 [ 6011.457321][ T74] ret_from_fork+0x31/0x70 [ 6011.457321][ T74] ret_from_fork_asm+0x1a/0x30 [ 6011.457321][ T74] [ 6011.459247][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6011.459247][ T74] netdev_get_by_index+0x5e/0x80 [ 6011.459247][ T74] fib6_nh_init+0x3d8/0x1580 [ 6011.459247][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6011.459247][ T74] ip6_route_add+0x1c/0x140 [ 6011.459247][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6011.459247][ T74] inet6_addr_add+0x4f8/0xa40 [ 6011.459247][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6011.459247][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6011.459247][ T74] netlink_rcv_skb+0x130/0x360 [ 6011.459247][ T74] netlink_unicast+0x449/0x710 [ 6011.459247][ T74] netlink_sendmsg+0x723/0xbe0 [ 6011.459247][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6011.459247][ T74] ___sys_sendmsg+0xee/0x170 [ 6011.459247][ T74] __sys_sendmsg+0xcd/0x170 [ 6011.459247][ T74] do_syscall_64+0xc6/0x1e0 [ 6011.459247][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6011.459247][ T74] [ 6011.461261][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6011.461261][ T74] netdev_get_by_index+0x5e/0x80 [ 6011.461261][ T74] fib6_nh_init+0x3d8/0x1580 [ 6011.461261][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6011.461261][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6011.461261][ T74] ipv6_add_addr+0x411/0x2000 [ 6011.461261][ T74] inet6_addr_add+0x30e/0xa40 [ 6011.461261][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6011.461261][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6011.461261][ T74] netlink_rcv_skb+0x130/0x360 [ 6011.461261][ T74] netlink_unicast+0x449/0x710 [ 6011.461261][ T74] netlink_sendmsg+0x723/0xbe0 [ 6011.461261][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6011.461261][ T74] ___sys_sendmsg+0xee/0x170 [ 6011.461261][ T74] __sys_sendmsg+0xcd/0x170 [ 6011.461261][ T74] do_syscall_64+0xc6/0x1e0 [ 6011.461261][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6011.461261][ T74] [ 6011.463266][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6011.463266][ T74] netdev_get_by_index+0x5e/0x80 [ 6011.463266][ T74] fib6_nh_init+0x3d8/0x1580 [ 6011.463266][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6011.463266][ T74] ip6_route_add+0x1c/0x140 [ 6011.463266][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6011.463266][ T74] addrconf_add_dev+0xe2/0x170 [ 6011.463266][ T74] inet6_addr_add+0x12f/0xa40 [ 6011.463266][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6011.463266][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6011.463266][ T74] netlink_rcv_skb+0x130/0x360 [ 6011.463266][ T74] netlink_unicast+0x449/0x710 [ 6011.463266][ T74] netlink_sendmsg+0x723/0xbe0 [ 6011.463266][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6011.463266][ T74] ___sys_sendmsg+0xee/0x170 [ 6011.463266][ T74] __sys_sendmsg+0xcd/0x170 [ 6011.463266][ T74] do_syscall_64+0xc6/0x1e0 [ 6011.463266][ T74] [ 6011.465231][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6011.465231][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6011.465231][ T74] ipv6_find_idev+0x102/0x170 [ 6011.465231][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6011.465231][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6011.465231][ T74] netlink_rcv_skb+0x130/0x360 [ 6011.465231][ T74] netlink_unicast+0x449/0x710 [ 6011.465231][ T74] netlink_sendmsg+0x723/0xbe0 [ 6011.465231][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6011.465231][ T74] ___sys_sendmsg+0xee/0x170 [ 6011.465231][ T74] __sys_sendmsg+0xcd/0x170 [ 6011.465231][ T74] do_syscall_64+0xc6/0x1e0 [ 6011.465231][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6011.465231][ T74] [ 6011.466891][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6011.466891][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6011.466891][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6011.466891][ T74] ipv6_find_idev+0x102/0x170 [ 6011.466891][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6011.466891][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6011.466891][ T74] netlink_rcv_skb+0x130/0x360 [ 6011.466891][ T74] netlink_unicast+0x449/0x710 [ 6011.466891][ T74] netlink_sendmsg+0x723/0xbe0 [ 6011.466891][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6011.466891][ T74] ___sys_sendmsg+0xee/0x170 [ 6011.466891][ T74] __sys_sendmsg+0xcd/0x170 [ 6011.466891][ T74] do_syscall_64+0xc6/0x1e0 [ 6011.466891][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6011.466891][ T74] [ 6011.468832][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6011.469143][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6011.469143][ T74] netdev_get_by_index+0x5e/0x80 [ 6011.469143][ T74] fib6_nh_init+0x3d8/0x1580 [ 6011.469143][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6011.469143][ T74] ip6_route_add+0x1c/0x140 [ 6011.469143][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6011.469143][ T74] inet6_addr_add+0x4f8/0xa40 [ 6011.469143][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6011.469143][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6011.469143][ T74] netlink_rcv_skb+0x130/0x360 [ 6011.469143][ T74] netlink_unicast+0x449/0x710 [ 6011.469143][ T74] netlink_sendmsg+0x723/0xbe0 [ 6011.469143][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6011.469143][ T74] ___sys_sendmsg+0xee/0x170 [ 6011.469143][ T74] __sys_sendmsg+0xcd/0x170 [ 6011.469143][ T74] do_syscall_64+0xc6/0x1e0 [ 6011.469143][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6011.469143][ T74] [ 6011.471352][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6011.471352][ T74] netdev_get_by_index+0x5e/0x80 [ 6011.471352][ T74] fib6_nh_init+0x3d8/0x1580 [ 6011.471352][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6011.471352][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6011.471352][ T74] ipv6_add_addr+0x411/0x2000 [ 6011.471352][ T74] inet6_addr_add+0x30e/0xa40 [ 6011.471352][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6011.471352][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6011.471352][ T74] netlink_rcv_skb+0x130/0x360 [ 6011.471352][ T74] netlink_unicast+0x449/0x710 [ 6011.471352][ T74] netlink_sendmsg+0x723/0xbe0 [ 6011.471352][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6011.471352][ T74] ___sys_sendmsg+0xee/0x170 [ 6011.471352][ T74] __sys_sendmsg+0xcd/0x170 [ 6011.471352][ T74] do_syscall_64+0xc6/0x1e0 [ 6011.471352][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6011.471352][ T74] [ 6011.473596][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6011.473596][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6011.473596][ T74] ipv6_find_idev+0x102/0x170 [ 6011.473596][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6011.473596][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6011.473596][ T74] netlink_rcv_skb+0x130/0x360 [ 6011.473596][ T74] netlink_unicast+0x449/0x710 [ 6011.473596][ T74] netlink_sendmsg+0x723/0xbe0 [ 6011.473596][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6011.473596][ T74] ___sys_sendmsg+0xee/0x170 [ 6011.473596][ T74] __sys_sendmsg+0xcd/0x170 [ 6011.473596][ T74] do_syscall_64+0xc6/0x1e0 [ 6011.473596][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6011.473596][ T74] [ 6011.475320][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6011.475320][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6011.475320][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6011.475320][ T74] ipv6_find_idev+0x102/0x170 [ 6011.475320][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6011.475320][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6011.475320][ T74] netlink_rcv_skb+0x130/0x360 [ 6011.475320][ T74] netlink_unicast+0x449/0x710 [ 6011.475320][ T74] netlink_sendmsg+0x723/0xbe0 [ 6011.475320][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6011.475320][ T74] ___sys_sendmsg+0xee/0x170 [ 6011.475320][ T74] __sys_sendmsg+0xcd/0x170 [ 6011.475320][ T74] do_syscall_64+0xc6/0x1e0 [ 6011.475320][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6011.475320][ T74] [ 6021.727964][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6021.728424][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6021.728424][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6021.728424][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6021.728424][ T74] fib6_nh_init+0xa22/0x1580 [ 6021.728424][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6021.728424][ T74] ip6_route_add+0x1c/0x140 [ 6021.728424][ T74] inet6_rtm_newroute+0x104/0x110 [ 6021.728424][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6021.728424][ T74] netlink_rcv_skb+0x130/0x360 [ 6021.728424][ T74] netlink_unicast+0x449/0x710 [ 6021.728424][ T74] netlink_sendmsg+0x723/0xbe0 [ 6021.728424][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6021.728424][ T74] ___sys_sendmsg+0xee/0x170 [ 6021.728424][ T74] __sys_sendmsg+0xcd/0x170 [ 6021.728424][ T74] do_syscall_64+0xc6/0x1e0 [ 6021.728424][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6021.728424][ T74] [ 6021.730354][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6021.730354][ T74] netdev_get_by_index+0x5e/0x80 [ 6021.730354][ T74] fib6_nh_init+0x3d8/0x1580 [ 6021.730354][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6021.730354][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6021.730354][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6021.730354][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6021.730354][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6021.730354][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6021.730354][ T74] addrconf_dad_begin+0x310/0x670 [ 6021.730354][ T74] addrconf_dad_work+0x10b/0xab0 [ 6021.730354][ T74] process_one_work+0x84d/0x18a0 [ 6021.730354][ T74] worker_thread+0x587/0xd30 [ 6021.730354][ T74] kthread+0x28a/0x350 [ 6021.730354][ T74] ret_from_fork+0x31/0x70 [ 6021.730354][ T74] ret_from_fork_asm+0x1a/0x30 [ 6021.730354][ T74] [ 6021.732284][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6021.732284][ T74] netdev_get_by_index+0x5e/0x80 [ 6021.732284][ T74] fib6_nh_init+0x3d8/0x1580 [ 6021.732284][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6021.732284][ T74] ip6_route_add+0x1c/0x140 [ 6021.732284][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6021.732284][ T74] inet6_addr_add+0x4f8/0xa40 [ 6021.732284][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6021.732284][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6021.732284][ T74] netlink_rcv_skb+0x130/0x360 [ 6021.732284][ T74] netlink_unicast+0x449/0x710 [ 6021.732284][ T74] netlink_sendmsg+0x723/0xbe0 [ 6021.732284][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6021.732284][ T74] ___sys_sendmsg+0xee/0x170 [ 6021.732284][ T74] __sys_sendmsg+0xcd/0x170 [ 6021.732284][ T74] do_syscall_64+0xc6/0x1e0 [ 6021.732284][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6021.732284][ T74] [ 6021.734308][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6021.734308][ T74] netdev_get_by_index+0x5e/0x80 [ 6021.734308][ T74] fib6_nh_init+0x3d8/0x1580 [ 6021.734308][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6021.734308][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6021.734308][ T74] ipv6_add_addr+0x411/0x2000 [ 6021.734308][ T74] inet6_addr_add+0x30e/0xa40 [ 6021.734308][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6021.734308][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6021.734308][ T74] netlink_rcv_skb+0x130/0x360 [ 6021.734308][ T74] netlink_unicast+0x449/0x710 [ 6021.734308][ T74] netlink_sendmsg+0x723/0xbe0 [ 6021.734308][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6021.734308][ T74] ___sys_sendmsg+0xee/0x170 [ 6021.734308][ T74] __sys_sendmsg+0xcd/0x170 [ 6021.734308][ T74] do_syscall_64+0xc6/0x1e0 [ 6021.734308][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6021.734308][ T74] [ 6021.736332][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6021.736332][ T74] netdev_get_by_index+0x5e/0x80 [ 6021.736332][ T74] fib6_nh_init+0x3d8/0x1580 [ 6021.736332][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6021.736332][ T74] ip6_route_add+0x1c/0x140 [ 6021.736332][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6021.736332][ T74] addrconf_add_dev+0xe2/0x170 [ 6021.736332][ T74] inet6_addr_add+0x12f/0xa40 [ 6021.736332][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6021.736332][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6021.736332][ T74] netlink_rcv_skb+0x130/0x360 [ 6021.736332][ T74] netlink_unicast+0x449/0x710 [ 6021.736332][ T74] netlink_sendmsg+0x723/0xbe0 [ 6021.736332][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6021.736332][ T74] ___sys_sendmsg+0xee/0x170 [ 6021.736332][ T74] __sys_sendmsg+0xcd/0x170 [ 6021.736332][ T74] do_syscall_64+0xc6/0x1e0 [ 6021.736332][ T74] [ 6021.738320][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6021.738320][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6021.738320][ T74] ipv6_find_idev+0x102/0x170 [ 6021.738320][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6021.738320][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6021.738320][ T74] netlink_rcv_skb+0x130/0x360 [ 6021.738320][ T74] netlink_unicast+0x449/0x710 [ 6021.738320][ T74] netlink_sendmsg+0x723/0xbe0 [ 6021.738320][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6021.738320][ T74] ___sys_sendmsg+0xee/0x170 [ 6021.738320][ T74] __sys_sendmsg+0xcd/0x170 [ 6021.738320][ T74] do_syscall_64+0xc6/0x1e0 [ 6021.738320][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6021.738320][ T74] [ 6021.739881][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6021.739881][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6021.739881][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6021.739881][ T74] ipv6_find_idev+0x102/0x170 [ 6021.739881][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6021.739881][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6021.739881][ T74] netlink_rcv_skb+0x130/0x360 [ 6021.739881][ T74] netlink_unicast+0x449/0x710 [ 6021.739881][ T74] netlink_sendmsg+0x723/0xbe0 [ 6021.739881][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6021.739881][ T74] ___sys_sendmsg+0xee/0x170 [ 6021.739881][ T74] __sys_sendmsg+0xcd/0x170 [ 6021.739881][ T74] do_syscall_64+0xc6/0x1e0 [ 6021.739881][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6021.739881][ T74] [ 6021.741610][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6021.741891][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6021.741891][ T74] dst_init+0x84/0x4a0 [ 6021.741891][ T74] dst_alloc+0x97/0x150 [ 6021.741891][ T74] ip6_dst_alloc+0x23/0x90 [ 6021.741891][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6021.741891][ T74] ip6_pol_route+0x56f/0x840 [ 6021.741891][ T74] fib6_rule_lookup+0x456/0x630 [ 6021.741891][ T74] ip6_route_input+0x59c/0xa50 [ 6021.741891][ T74] ipv6_rcv+0x397/0x810 [ 6021.741891][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6021.741891][ T74] process_backlog+0x101/0x620 [ 6021.741891][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6021.741891][ T74] net_rx_action+0x495/0xbe0 [ 6021.741891][ T74] __do_softirq+0x1b5/0x7f6 [ 6021.741891][ T74] [ 6021.743573][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6021.743573][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6021.743573][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6021.743573][ T74] fib6_nh_init+0xa22/0x1580 [ 6021.743573][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6021.743573][ T74] ip6_route_add+0x1c/0x140 [ 6021.743573][ T74] inet6_rtm_newroute+0x104/0x110 [ 6021.743573][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6021.743573][ T74] netlink_rcv_skb+0x130/0x360 [ 6021.743573][ T74] netlink_unicast+0x449/0x710 [ 6021.743573][ T74] netlink_sendmsg+0x723/0xbe0 [ 6021.743573][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6021.743573][ T74] ___sys_sendmsg+0xee/0x170 [ 6021.743573][ T74] __sys_sendmsg+0xcd/0x170 [ 6021.743573][ T74] do_syscall_64+0xc6/0x1e0 [ 6021.743573][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6021.743573][ T74] [ 6021.745463][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6021.745463][ T74] netdev_get_by_index+0x5e/0x80 [ 6021.745463][ T74] fib6_nh_init+0x3d8/0x1580 [ 6021.745463][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6021.745463][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6021.745463][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6021.745463][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6021.745463][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6021.745463][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6021.745463][ T74] addrconf_dad_begin+0x310/0x670 [ 6021.745463][ T74] addrconf_dad_work+0x10b/0xab0 [ 6021.745463][ T74] process_one_work+0x84d/0x18a0 [ 6021.745463][ T74] worker_thread+0x587/0xd30 [ 6021.745463][ T74] kthread+0x28a/0x350 [ 6021.745463][ T74] ret_from_fork+0x31/0x70 [ 6021.745463][ T74] ret_from_fork_asm+0x1a/0x30 [ 6021.745463][ T74] [ 6021.747420][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6021.747420][ T74] netdev_get_by_index+0x5e/0x80 [ 6021.747420][ T74] fib6_nh_init+0x3d8/0x1580 [ 6021.747420][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6021.747420][ T74] ip6_route_add+0x1c/0x140 [ 6021.747420][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6021.747420][ T74] inet6_addr_add+0x4f8/0xa40 [ 6021.747420][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6021.747420][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6021.747420][ T74] netlink_rcv_skb+0x130/0x360 [ 6021.747420][ T74] netlink_unicast+0x449/0x710 [ 6021.747420][ T74] netlink_sendmsg+0x723/0xbe0 [ 6021.747420][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6021.747420][ T74] ___sys_sendmsg+0xee/0x170 [ 6021.747420][ T74] __sys_sendmsg+0xcd/0x170 [ 6021.747420][ T74] do_syscall_64+0xc6/0x1e0 [ 6021.747420][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6021.747420][ T74] [ 6021.749433][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6021.749433][ T74] netdev_get_by_index+0x5e/0x80 [ 6021.749433][ T74] fib6_nh_init+0x3d8/0x1580 [ 6021.749433][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6021.749433][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6021.749433][ T74] ipv6_add_addr+0x411/0x2000 [ 6021.749433][ T74] inet6_addr_add+0x30e/0xa40 [ 6021.749433][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6021.749433][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6021.749433][ T74] netlink_rcv_skb+0x130/0x360 [ 6021.749433][ T74] netlink_unicast+0x449/0x710 [ 6021.749433][ T74] netlink_sendmsg+0x723/0xbe0 [ 6021.749433][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6021.749433][ T74] ___sys_sendmsg+0xee/0x170 [ 6021.749433][ T74] __sys_sendmsg+0xcd/0x170 [ 6021.749433][ T74] do_syscall_64+0xc6/0x1e0 [ 6021.749433][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6021.749433][ T74] [ 6021.751448][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6021.751448][ T74] netdev_get_by_index+0x5e/0x80 [ 6021.751448][ T74] fib6_nh_init+0x3d8/0x1580 [ 6021.751448][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6021.751448][ T74] ip6_route_add+0x1c/0x140 [ 6021.751448][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6021.751448][ T74] addrconf_add_dev+0xe2/0x170 [ 6021.751448][ T74] inet6_addr_add+0x12f/0xa40 [ 6021.751448][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6021.751448][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6021.751448][ T74] netlink_rcv_skb+0x130/0x360 [ 6021.751448][ T74] netlink_unicast+0x449/0x710 [ 6021.751448][ T74] netlink_sendmsg+0x723/0xbe0 [ 6021.751448][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6021.751448][ T74] ___sys_sendmsg+0xee/0x170 [ 6021.751448][ T74] __sys_sendmsg+0xcd/0x170 [ 6021.751448][ T74] do_syscall_64+0xc6/0x1e0 [ 6021.751448][ T74] [ 6021.753444][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6021.753444][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6021.753444][ T74] ipv6_find_idev+0x102/0x170 [ 6021.753444][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6021.753444][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6021.753444][ T74] netlink_rcv_skb+0x130/0x360 [ 6021.753444][ T74] netlink_unicast+0x449/0x710 [ 6021.753444][ T74] netlink_sendmsg+0x723/0xbe0 [ 6021.753444][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6021.753444][ T74] ___sys_sendmsg+0xee/0x170 [ 6021.753444][ T74] __sys_sendmsg+0xcd/0x170 [ 6021.753444][ T74] do_syscall_64+0xc6/0x1e0 [ 6021.753444][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6021.753444][ T74] [ 6021.755130][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6021.755130][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6021.755130][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6021.755130][ T74] ipv6_find_idev+0x102/0x170 [ 6021.755130][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6021.755130][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6021.755130][ T74] netlink_rcv_skb+0x130/0x360 [ 6021.755130][ T74] netlink_unicast+0x449/0x710 [ 6021.755130][ T74] netlink_sendmsg+0x723/0xbe0 [ 6021.755130][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6021.755130][ T74] ___sys_sendmsg+0xee/0x170 [ 6021.755130][ T74] __sys_sendmsg+0xcd/0x170 [ 6021.755130][ T74] do_syscall_64+0xc6/0x1e0 [ 6021.755130][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6021.755130][ T74] [ 6021.756977][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6021.757221][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6021.757221][ T74] netdev_get_by_index+0x5e/0x80 [ 6021.757221][ T74] fib6_nh_init+0x3d8/0x1580 [ 6021.757221][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6021.757221][ T74] ip6_route_add+0x1c/0x140 [ 6021.757221][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6021.757221][ T74] inet6_addr_add+0x4f8/0xa40 [ 6021.757221][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6021.757221][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6021.757221][ T74] netlink_rcv_skb+0x130/0x360 [ 6021.757221][ T74] netlink_unicast+0x449/0x710 [ 6021.757221][ T74] netlink_sendmsg+0x723/0xbe0 [ 6021.757221][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6021.757221][ T74] ___sys_sendmsg+0xee/0x170 [ 6021.757221][ T74] __sys_sendmsg+0xcd/0x170 [ 6021.757221][ T74] do_syscall_64+0xc6/0x1e0 [ 6021.757221][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6021.757221][ T74] [ 6021.759380][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6021.759380][ T74] netdev_get_by_index+0x5e/0x80 [ 6021.759380][ T74] fib6_nh_init+0x3d8/0x1580 [ 6021.759380][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6021.759380][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6021.759380][ T74] ipv6_add_addr+0x411/0x2000 [ 6021.759380][ T74] inet6_addr_add+0x30e/0xa40 [ 6021.759380][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6021.759380][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6021.759380][ T74] netlink_rcv_skb+0x130/0x360 [ 6021.759380][ T74] netlink_unicast+0x449/0x710 [ 6021.759380][ T74] netlink_sendmsg+0x723/0xbe0 [ 6021.759380][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6021.759380][ T74] ___sys_sendmsg+0xee/0x170 [ 6021.759380][ T74] __sys_sendmsg+0xcd/0x170 [ 6021.759380][ T74] do_syscall_64+0xc6/0x1e0 [ 6021.759380][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6021.759380][ T74] [ 6021.761538][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6021.761538][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6021.761538][ T74] ipv6_find_idev+0x102/0x170 [ 6021.761538][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6021.761538][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6021.761538][ T74] netlink_rcv_skb+0x130/0x360 [ 6021.761538][ T74] netlink_unicast+0x449/0x710 [ 6021.761538][ T74] netlink_sendmsg+0x723/0xbe0 [ 6021.761538][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6021.761538][ T74] ___sys_sendmsg+0xee/0x170 [ 6021.761538][ T74] __sys_sendmsg+0xcd/0x170 [ 6021.761538][ T74] do_syscall_64+0xc6/0x1e0 [ 6021.761538][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6021.761538][ T74] [ 6021.763156][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6021.763156][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6021.763156][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6021.763156][ T74] ipv6_find_idev+0x102/0x170 [ 6021.763156][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6021.763156][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6021.763156][ T74] netlink_rcv_skb+0x130/0x360 [ 6021.763156][ T74] netlink_unicast+0x449/0x710 [ 6021.763156][ T74] netlink_sendmsg+0x723/0xbe0 [ 6021.763156][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6021.763156][ T74] ___sys_sendmsg+0xee/0x170 [ 6021.763156][ T74] __sys_sendmsg+0xcd/0x170 [ 6021.763156][ T74] do_syscall_64+0xc6/0x1e0 [ 6021.763156][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6021.763156][ T74] [ 6032.007951][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6032.008393][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6032.008393][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6032.008393][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6032.008393][ T74] fib6_nh_init+0xa22/0x1580 [ 6032.008393][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6032.008393][ T74] ip6_route_add+0x1c/0x140 [ 6032.008393][ T74] inet6_rtm_newroute+0x104/0x110 [ 6032.008393][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6032.008393][ T74] netlink_rcv_skb+0x130/0x360 [ 6032.008393][ T74] netlink_unicast+0x449/0x710 [ 6032.008393][ T74] netlink_sendmsg+0x723/0xbe0 [ 6032.008393][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6032.008393][ T74] ___sys_sendmsg+0xee/0x170 [ 6032.008393][ T74] __sys_sendmsg+0xcd/0x170 [ 6032.008393][ T74] do_syscall_64+0xc6/0x1e0 [ 6032.008393][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6032.008393][ T74] [ 6032.010322][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6032.010322][ T74] netdev_get_by_index+0x5e/0x80 [ 6032.010322][ T74] fib6_nh_init+0x3d8/0x1580 [ 6032.010322][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6032.010322][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6032.010322][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6032.010322][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6032.010322][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6032.010322][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6032.010322][ T74] addrconf_dad_begin+0x310/0x670 [ 6032.010322][ T74] addrconf_dad_work+0x10b/0xab0 [ 6032.010322][ T74] process_one_work+0x84d/0x18a0 [ 6032.010322][ T74] worker_thread+0x587/0xd30 [ 6032.010322][ T74] kthread+0x28a/0x350 [ 6032.010322][ T74] ret_from_fork+0x31/0x70 [ 6032.010322][ T74] ret_from_fork_asm+0x1a/0x30 [ 6032.010322][ T74] [ 6032.012255][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6032.012255][ T74] netdev_get_by_index+0x5e/0x80 [ 6032.012255][ T74] fib6_nh_init+0x3d8/0x1580 [ 6032.012255][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6032.012255][ T74] ip6_route_add+0x1c/0x140 [ 6032.012255][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6032.012255][ T74] inet6_addr_add+0x4f8/0xa40 [ 6032.012255][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6032.012255][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6032.012255][ T74] netlink_rcv_skb+0x130/0x360 [ 6032.012255][ T74] netlink_unicast+0x449/0x710 [ 6032.012255][ T74] netlink_sendmsg+0x723/0xbe0 [ 6032.012255][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6032.012255][ T74] ___sys_sendmsg+0xee/0x170 [ 6032.012255][ T74] __sys_sendmsg+0xcd/0x170 [ 6032.012255][ T74] do_syscall_64+0xc6/0x1e0 [ 6032.012255][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6032.012255][ T74] [ 6032.014285][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6032.014285][ T74] netdev_get_by_index+0x5e/0x80 [ 6032.014285][ T74] fib6_nh_init+0x3d8/0x1580 [ 6032.014285][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6032.014285][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6032.014285][ T74] ipv6_add_addr+0x411/0x2000 [ 6032.014285][ T74] inet6_addr_add+0x30e/0xa40 [ 6032.014285][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6032.014285][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6032.014285][ T74] netlink_rcv_skb+0x130/0x360 [ 6032.014285][ T74] netlink_unicast+0x449/0x710 [ 6032.014285][ T74] netlink_sendmsg+0x723/0xbe0 [ 6032.014285][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6032.014285][ T74] ___sys_sendmsg+0xee/0x170 [ 6032.014285][ T74] __sys_sendmsg+0xcd/0x170 [ 6032.014285][ T74] do_syscall_64+0xc6/0x1e0 [ 6032.014285][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6032.014285][ T74] [ 6032.016302][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6032.016302][ T74] netdev_get_by_index+0x5e/0x80 [ 6032.016302][ T74] fib6_nh_init+0x3d8/0x1580 [ 6032.016302][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6032.016302][ T74] ip6_route_add+0x1c/0x140 [ 6032.016302][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6032.016302][ T74] addrconf_add_dev+0xe2/0x170 [ 6032.016302][ T74] inet6_addr_add+0x12f/0xa40 [ 6032.016302][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6032.016302][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6032.016302][ T74] netlink_rcv_skb+0x130/0x360 [ 6032.016302][ T74] netlink_unicast+0x449/0x710 [ 6032.016302][ T74] netlink_sendmsg+0x723/0xbe0 [ 6032.016302][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6032.016302][ T74] ___sys_sendmsg+0xee/0x170 [ 6032.016302][ T74] __sys_sendmsg+0xcd/0x170 [ 6032.016302][ T74] do_syscall_64+0xc6/0x1e0 [ 6032.016302][ T74] [ 6032.018288][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6032.018288][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6032.018288][ T74] ipv6_find_idev+0x102/0x170 [ 6032.018288][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6032.018288][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6032.018288][ T74] netlink_rcv_skb+0x130/0x360 [ 6032.018288][ T74] netlink_unicast+0x449/0x710 [ 6032.018288][ T74] netlink_sendmsg+0x723/0xbe0 [ 6032.018288][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6032.018288][ T74] ___sys_sendmsg+0xee/0x170 [ 6032.018288][ T74] __sys_sendmsg+0xcd/0x170 [ 6032.018288][ T74] do_syscall_64+0xc6/0x1e0 [ 6032.018288][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6032.018288][ T74] [ 6032.019851][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6032.019851][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6032.019851][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6032.019851][ T74] ipv6_find_idev+0x102/0x170 [ 6032.019851][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6032.019851][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6032.019851][ T74] netlink_rcv_skb+0x130/0x360 [ 6032.019851][ T74] netlink_unicast+0x449/0x710 [ 6032.019851][ T74] netlink_sendmsg+0x723/0xbe0 [ 6032.019851][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6032.019851][ T74] ___sys_sendmsg+0xee/0x170 [ 6032.019851][ T74] __sys_sendmsg+0xcd/0x170 [ 6032.019851][ T74] do_syscall_64+0xc6/0x1e0 [ 6032.019851][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6032.019851][ T74] [ 6032.021582][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6032.021862][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6032.021862][ T74] dst_init+0x84/0x4a0 [ 6032.021862][ T74] dst_alloc+0x97/0x150 [ 6032.021862][ T74] ip6_dst_alloc+0x23/0x90 [ 6032.021862][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6032.021862][ T74] ip6_pol_route+0x56f/0x840 [ 6032.021862][ T74] fib6_rule_lookup+0x456/0x630 [ 6032.021862][ T74] ip6_route_input+0x59c/0xa50 [ 6032.021862][ T74] ipv6_rcv+0x397/0x810 [ 6032.021862][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6032.021862][ T74] process_backlog+0x101/0x620 [ 6032.021862][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6032.021862][ T74] net_rx_action+0x495/0xbe0 [ 6032.021862][ T74] __do_softirq+0x1b5/0x7f6 [ 6032.021862][ T74] [ 6032.023516][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6032.023516][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6032.023516][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6032.023516][ T74] fib6_nh_init+0xa22/0x1580 [ 6032.023516][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6032.023516][ T74] ip6_route_add+0x1c/0x140 [ 6032.023516][ T74] inet6_rtm_newroute+0x104/0x110 [ 6032.023516][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6032.023516][ T74] netlink_rcv_skb+0x130/0x360 [ 6032.023516][ T74] netlink_unicast+0x449/0x710 [ 6032.023516][ T74] netlink_sendmsg+0x723/0xbe0 [ 6032.023516][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6032.023516][ T74] ___sys_sendmsg+0xee/0x170 [ 6032.023516][ T74] __sys_sendmsg+0xcd/0x170 [ 6032.023516][ T74] do_syscall_64+0xc6/0x1e0 [ 6032.023516][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6032.023516][ T74] [ 6032.025418][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6032.025418][ T74] netdev_get_by_index+0x5e/0x80 [ 6032.025418][ T74] fib6_nh_init+0x3d8/0x1580 [ 6032.025418][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6032.025418][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6032.025418][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6032.025418][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6032.025418][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6032.025418][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6032.025418][ T74] addrconf_dad_begin+0x310/0x670 [ 6032.025418][ T74] addrconf_dad_work+0x10b/0xab0 [ 6032.025418][ T74] process_one_work+0x84d/0x18a0 [ 6032.025418][ T74] worker_thread+0x587/0xd30 [ 6032.025418][ T74] kthread+0x28a/0x350 [ 6032.025418][ T74] ret_from_fork+0x31/0x70 [ 6032.025418][ T74] ret_from_fork_asm+0x1a/0x30 [ 6032.025418][ T74] [ 6032.027345][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6032.027345][ T74] netdev_get_by_index+0x5e/0x80 [ 6032.027345][ T74] fib6_nh_init+0x3d8/0x1580 [ 6032.027345][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6032.027345][ T74] ip6_route_add+0x1c/0x140 [ 6032.027345][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6032.027345][ T74] inet6_addr_add+0x4f8/0xa40 [ 6032.027345][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6032.027345][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6032.027345][ T74] netlink_rcv_skb+0x130/0x360 [ 6032.027345][ T74] netlink_unicast+0x449/0x710 [ 6032.027345][ T74] netlink_sendmsg+0x723/0xbe0 [ 6032.027345][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6032.027345][ T74] ___sys_sendmsg+0xee/0x170 [ 6032.027345][ T74] __sys_sendmsg+0xcd/0x170 [ 6032.027345][ T74] do_syscall_64+0xc6/0x1e0 [ 6032.027345][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6032.027345][ T74] [ 6032.029356][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6032.029356][ T74] netdev_get_by_index+0x5e/0x80 [ 6032.029356][ T74] fib6_nh_init+0x3d8/0x1580 [ 6032.029356][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6032.029356][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6032.029356][ T74] ipv6_add_addr+0x411/0x2000 [ 6032.029356][ T74] inet6_addr_add+0x30e/0xa40 [ 6032.029356][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6032.029356][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6032.029356][ T74] netlink_rcv_skb+0x130/0x360 [ 6032.029356][ T74] netlink_unicast+0x449/0x710 [ 6032.029356][ T74] netlink_sendmsg+0x723/0xbe0 [ 6032.029356][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6032.029356][ T74] ___sys_sendmsg+0xee/0x170 [ 6032.029356][ T74] __sys_sendmsg+0xcd/0x170 [ 6032.029356][ T74] do_syscall_64+0xc6/0x1e0 [ 6032.029356][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6032.029356][ T74] [ 6032.031387][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6032.031387][ T74] netdev_get_by_index+0x5e/0x80 [ 6032.031387][ T74] fib6_nh_init+0x3d8/0x1580 [ 6032.031387][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6032.031387][ T74] ip6_route_add+0x1c/0x140 [ 6032.031387][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6032.031387][ T74] addrconf_add_dev+0xe2/0x170 [ 6032.031387][ T74] inet6_addr_add+0x12f/0xa40 [ 6032.031387][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6032.031387][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6032.031387][ T74] netlink_rcv_skb+0x130/0x360 [ 6032.031387][ T74] netlink_unicast+0x449/0x710 [ 6032.031387][ T74] netlink_sendmsg+0x723/0xbe0 [ 6032.031387][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6032.031387][ T74] ___sys_sendmsg+0xee/0x170 [ 6032.031387][ T74] __sys_sendmsg+0xcd/0x170 [ 6032.031387][ T74] do_syscall_64+0xc6/0x1e0 [ 6032.031387][ T74] [ 6032.033372][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6032.033372][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6032.033372][ T74] ipv6_find_idev+0x102/0x170 [ 6032.033372][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6032.033372][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6032.033372][ T74] netlink_rcv_skb+0x130/0x360 [ 6032.033372][ T74] netlink_unicast+0x449/0x710 [ 6032.033372][ T74] netlink_sendmsg+0x723/0xbe0 [ 6032.033372][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6032.033372][ T74] ___sys_sendmsg+0xee/0x170 [ 6032.033372][ T74] __sys_sendmsg+0xcd/0x170 [ 6032.033372][ T74] do_syscall_64+0xc6/0x1e0 [ 6032.033372][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6032.033372][ T74] [ 6032.035044][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6032.035044][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6032.035044][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6032.035044][ T74] ipv6_find_idev+0x102/0x170 [ 6032.035044][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6032.035044][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6032.035044][ T74] netlink_rcv_skb+0x130/0x360 [ 6032.035044][ T74] netlink_unicast+0x449/0x710 [ 6032.035044][ T74] netlink_sendmsg+0x723/0xbe0 [ 6032.035044][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6032.035044][ T74] ___sys_sendmsg+0xee/0x170 [ 6032.035044][ T74] __sys_sendmsg+0xcd/0x170 [ 6032.035044][ T74] do_syscall_64+0xc6/0x1e0 [ 6032.035044][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6032.035044][ T74] [ 6032.036999][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6032.037298][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6032.037298][ T74] netdev_get_by_index+0x5e/0x80 [ 6032.037298][ T74] fib6_nh_init+0x3d8/0x1580 [ 6032.037298][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6032.037298][ T74] ip6_route_add+0x1c/0x140 [ 6032.037298][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6032.037298][ T74] inet6_addr_add+0x4f8/0xa40 [ 6032.037298][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6032.037298][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6032.037298][ T74] netlink_rcv_skb+0x130/0x360 [ 6032.037298][ T74] netlink_unicast+0x449/0x710 [ 6032.037298][ T74] netlink_sendmsg+0x723/0xbe0 [ 6032.037298][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6032.037298][ T74] ___sys_sendmsg+0xee/0x170 [ 6032.037298][ T74] __sys_sendmsg+0xcd/0x170 [ 6032.037298][ T74] do_syscall_64+0xc6/0x1e0 [ 6032.037298][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6032.037298][ T74] [ 6032.039497][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6032.039497][ T74] netdev_get_by_index+0x5e/0x80 [ 6032.039497][ T74] fib6_nh_init+0x3d8/0x1580 [ 6032.039497][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6032.039497][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6032.039497][ T74] ipv6_add_addr+0x411/0x2000 [ 6032.039497][ T74] inet6_addr_add+0x30e/0xa40 [ 6032.039497][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6032.039497][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6032.039497][ T74] netlink_rcv_skb+0x130/0x360 [ 6032.039497][ T74] netlink_unicast+0x449/0x710 [ 6032.039497][ T74] netlink_sendmsg+0x723/0xbe0 [ 6032.039497][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6032.039497][ T74] ___sys_sendmsg+0xee/0x170 [ 6032.039497][ T74] __sys_sendmsg+0xcd/0x170 [ 6032.039497][ T74] do_syscall_64+0xc6/0x1e0 [ 6032.039497][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6032.039497][ T74] [ 6032.041742][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6032.041742][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6032.041742][ T74] ipv6_find_idev+0x102/0x170 [ 6032.041742][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6032.041742][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6032.041742][ T74] netlink_rcv_skb+0x130/0x360 [ 6032.041742][ T74] netlink_unicast+0x449/0x710 [ 6032.041742][ T74] netlink_sendmsg+0x723/0xbe0 [ 6032.041742][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6032.041742][ T74] ___sys_sendmsg+0xee/0x170 [ 6032.041742][ T74] __sys_sendmsg+0xcd/0x170 [ 6032.041742][ T74] do_syscall_64+0xc6/0x1e0 [ 6032.041742][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6032.041742][ T74] [ 6032.043467][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6032.043467][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6032.043467][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6032.043467][ T74] ipv6_find_idev+0x102/0x170 [ 6032.043467][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6032.043467][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6032.043467][ T74] netlink_rcv_skb+0x130/0x360 [ 6032.043467][ T74] netlink_unicast+0x449/0x710 [ 6032.043467][ T74] netlink_sendmsg+0x723/0xbe0 [ 6032.043467][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6032.043467][ T74] ___sys_sendmsg+0xee/0x170 [ 6032.043467][ T74] __sys_sendmsg+0xcd/0x170 [ 6032.043467][ T74] do_syscall_64+0xc6/0x1e0 [ 6032.043467][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6032.043467][ T74] [ 6042.287958][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6042.288341][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6042.288341][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6042.288341][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6042.288341][ T74] fib6_nh_init+0xa22/0x1580 [ 6042.288341][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6042.288341][ T74] ip6_route_add+0x1c/0x140 [ 6042.288341][ T74] inet6_rtm_newroute+0x104/0x110 [ 6042.288341][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6042.288341][ T74] netlink_rcv_skb+0x130/0x360 [ 6042.288341][ T74] netlink_unicast+0x449/0x710 [ 6042.288341][ T74] netlink_sendmsg+0x723/0xbe0 [ 6042.288341][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6042.288341][ T74] ___sys_sendmsg+0xee/0x170 [ 6042.288341][ T74] __sys_sendmsg+0xcd/0x170 [ 6042.288341][ T74] do_syscall_64+0xc6/0x1e0 [ 6042.288341][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6042.288341][ T74] [ 6042.290283][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6042.290283][ T74] netdev_get_by_index+0x5e/0x80 [ 6042.290283][ T74] fib6_nh_init+0x3d8/0x1580 [ 6042.290283][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6042.290283][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6042.290283][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6042.290283][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6042.290283][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6042.290283][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6042.290283][ T74] addrconf_dad_begin+0x310/0x670 [ 6042.290283][ T74] addrconf_dad_work+0x10b/0xab0 [ 6042.290283][ T74] process_one_work+0x84d/0x18a0 [ 6042.290283][ T74] worker_thread+0x587/0xd30 [ 6042.290283][ T74] kthread+0x28a/0x350 [ 6042.290283][ T74] ret_from_fork+0x31/0x70 [ 6042.290283][ T74] ret_from_fork_asm+0x1a/0x30 [ 6042.290283][ T74] [ 6042.292218][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6042.292218][ T74] netdev_get_by_index+0x5e/0x80 [ 6042.292218][ T74] fib6_nh_init+0x3d8/0x1580 [ 6042.292218][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6042.292218][ T74] ip6_route_add+0x1c/0x140 [ 6042.292218][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6042.292218][ T74] inet6_addr_add+0x4f8/0xa40 [ 6042.292218][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6042.292218][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6042.292218][ T74] netlink_rcv_skb+0x130/0x360 [ 6042.292218][ T74] netlink_unicast+0x449/0x710 [ 6042.292218][ T74] netlink_sendmsg+0x723/0xbe0 [ 6042.292218][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6042.292218][ T74] ___sys_sendmsg+0xee/0x170 [ 6042.292218][ T74] __sys_sendmsg+0xcd/0x170 [ 6042.292218][ T74] do_syscall_64+0xc6/0x1e0 [ 6042.292218][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6042.292218][ T74] [ 6042.294237][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6042.294237][ T74] netdev_get_by_index+0x5e/0x80 [ 6042.294237][ T74] fib6_nh_init+0x3d8/0x1580 [ 6042.294237][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6042.294237][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6042.294237][ T74] ipv6_add_addr+0x411/0x2000 [ 6042.294237][ T74] inet6_addr_add+0x30e/0xa40 [ 6042.294237][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6042.294237][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6042.294237][ T74] netlink_rcv_skb+0x130/0x360 [ 6042.294237][ T74] netlink_unicast+0x449/0x710 [ 6042.294237][ T74] netlink_sendmsg+0x723/0xbe0 [ 6042.294237][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6042.294237][ T74] ___sys_sendmsg+0xee/0x170 [ 6042.294237][ T74] __sys_sendmsg+0xcd/0x170 [ 6042.294237][ T74] do_syscall_64+0xc6/0x1e0 [ 6042.294237][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6042.294237][ T74] [ 6042.296265][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6042.296265][ T74] netdev_get_by_index+0x5e/0x80 [ 6042.296265][ T74] fib6_nh_init+0x3d8/0x1580 [ 6042.296265][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6042.296265][ T74] ip6_route_add+0x1c/0x140 [ 6042.296265][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6042.296265][ T74] addrconf_add_dev+0xe2/0x170 [ 6042.296265][ T74] inet6_addr_add+0x12f/0xa40 [ 6042.296265][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6042.296265][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6042.296265][ T74] netlink_rcv_skb+0x130/0x360 [ 6042.296265][ T74] netlink_unicast+0x449/0x710 [ 6042.296265][ T74] netlink_sendmsg+0x723/0xbe0 [ 6042.296265][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6042.296265][ T74] ___sys_sendmsg+0xee/0x170 [ 6042.296265][ T74] __sys_sendmsg+0xcd/0x170 [ 6042.296265][ T74] do_syscall_64+0xc6/0x1e0 [ 6042.296265][ T74] [ 6042.298253][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6042.298253][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6042.298253][ T74] ipv6_find_idev+0x102/0x170 [ 6042.298253][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6042.298253][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6042.298253][ T74] netlink_rcv_skb+0x130/0x360 [ 6042.298253][ T74] netlink_unicast+0x449/0x710 [ 6042.298253][ T74] netlink_sendmsg+0x723/0xbe0 [ 6042.298253][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6042.298253][ T74] ___sys_sendmsg+0xee/0x170 [ 6042.298253][ T74] __sys_sendmsg+0xcd/0x170 [ 6042.298253][ T74] do_syscall_64+0xc6/0x1e0 [ 6042.298253][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6042.298253][ T74] [ 6042.299808][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6042.299808][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6042.299808][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6042.299808][ T74] ipv6_find_idev+0x102/0x170 [ 6042.299808][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6042.299808][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6042.299808][ T74] netlink_rcv_skb+0x130/0x360 [ 6042.299808][ T74] netlink_unicast+0x449/0x710 [ 6042.299808][ T74] netlink_sendmsg+0x723/0xbe0 [ 6042.299808][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6042.299808][ T74] ___sys_sendmsg+0xee/0x170 [ 6042.299808][ T74] __sys_sendmsg+0xcd/0x170 [ 6042.299808][ T74] do_syscall_64+0xc6/0x1e0 [ 6042.299808][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6042.299808][ T74] [ 6042.301536][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6042.301814][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6042.301814][ T74] dst_init+0x84/0x4a0 [ 6042.301814][ T74] dst_alloc+0x97/0x150 [ 6042.301814][ T74] ip6_dst_alloc+0x23/0x90 [ 6042.301814][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6042.301814][ T74] ip6_pol_route+0x56f/0x840 [ 6042.301814][ T74] fib6_rule_lookup+0x456/0x630 [ 6042.301814][ T74] ip6_route_input+0x59c/0xa50 [ 6042.301814][ T74] ipv6_rcv+0x397/0x810 [ 6042.301814][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6042.301814][ T74] process_backlog+0x101/0x620 [ 6042.301814][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6042.301814][ T74] net_rx_action+0x495/0xbe0 [ 6042.301814][ T74] __do_softirq+0x1b5/0x7f6 [ 6042.301814][ T74] [ 6042.303470][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6042.303470][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6042.303470][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6042.303470][ T74] fib6_nh_init+0xa22/0x1580 [ 6042.303470][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6042.303470][ T74] ip6_route_add+0x1c/0x140 [ 6042.303470][ T74] inet6_rtm_newroute+0x104/0x110 [ 6042.303470][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6042.303470][ T74] netlink_rcv_skb+0x130/0x360 [ 6042.303470][ T74] netlink_unicast+0x449/0x710 [ 6042.303470][ T74] netlink_sendmsg+0x723/0xbe0 [ 6042.303470][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6042.303470][ T74] ___sys_sendmsg+0xee/0x170 [ 6042.303470][ T74] __sys_sendmsg+0xcd/0x170 [ 6042.303470][ T74] do_syscall_64+0xc6/0x1e0 [ 6042.303470][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6042.303470][ T74] [ 6042.305370][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6042.305370][ T74] netdev_get_by_index+0x5e/0x80 [ 6042.305370][ T74] fib6_nh_init+0x3d8/0x1580 [ 6042.305370][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6042.305370][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6042.305370][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6042.305370][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6042.305370][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6042.305370][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6042.305370][ T74] addrconf_dad_begin+0x310/0x670 [ 6042.305370][ T74] addrconf_dad_work+0x10b/0xab0 [ 6042.305370][ T74] process_one_work+0x84d/0x18a0 [ 6042.305370][ T74] worker_thread+0x587/0xd30 [ 6042.305370][ T74] kthread+0x28a/0x350 [ 6042.305370][ T74] ret_from_fork+0x31/0x70 [ 6042.305370][ T74] ret_from_fork_asm+0x1a/0x30 [ 6042.305370][ T74] [ 6042.307293][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6042.307293][ T74] netdev_get_by_index+0x5e/0x80 [ 6042.307293][ T74] fib6_nh_init+0x3d8/0x1580 [ 6042.307293][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6042.307293][ T74] ip6_route_add+0x1c/0x140 [ 6042.307293][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6042.307293][ T74] inet6_addr_add+0x4f8/0xa40 [ 6042.307293][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6042.307293][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6042.307293][ T74] netlink_rcv_skb+0x130/0x360 [ 6042.307293][ T74] netlink_unicast+0x449/0x710 [ 6042.307293][ T74] netlink_sendmsg+0x723/0xbe0 [ 6042.307293][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6042.307293][ T74] ___sys_sendmsg+0xee/0x170 [ 6042.307293][ T74] __sys_sendmsg+0xcd/0x170 [ 6042.307293][ T74] do_syscall_64+0xc6/0x1e0 [ 6042.307293][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6042.307293][ T74] [ 6042.309308][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6042.309308][ T74] netdev_get_by_index+0x5e/0x80 [ 6042.309308][ T74] fib6_nh_init+0x3d8/0x1580 [ 6042.309308][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6042.309308][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6042.309308][ T74] ipv6_add_addr+0x411/0x2000 [ 6042.309308][ T74] inet6_addr_add+0x30e/0xa40 [ 6042.309308][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6042.309308][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6042.309308][ T74] netlink_rcv_skb+0x130/0x360 [ 6042.309308][ T74] netlink_unicast+0x449/0x710 [ 6042.309308][ T74] netlink_sendmsg+0x723/0xbe0 [ 6042.309308][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6042.309308][ T74] ___sys_sendmsg+0xee/0x170 [ 6042.309308][ T74] __sys_sendmsg+0xcd/0x170 [ 6042.309308][ T74] do_syscall_64+0xc6/0x1e0 [ 6042.309308][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6042.309308][ T74] [ 6042.311337][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6042.311337][ T74] netdev_get_by_index+0x5e/0x80 [ 6042.311337][ T74] fib6_nh_init+0x3d8/0x1580 [ 6042.311337][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6042.311337][ T74] ip6_route_add+0x1c/0x140 [ 6042.311337][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6042.311337][ T74] addrconf_add_dev+0xe2/0x170 [ 6042.311337][ T74] inet6_addr_add+0x12f/0xa40 [ 6042.311337][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6042.311337][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6042.311337][ T74] netlink_rcv_skb+0x130/0x360 [ 6042.311337][ T74] netlink_unicast+0x449/0x710 [ 6042.311337][ T74] netlink_sendmsg+0x723/0xbe0 [ 6042.311337][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6042.311337][ T74] ___sys_sendmsg+0xee/0x170 [ 6042.311337][ T74] __sys_sendmsg+0xcd/0x170 [ 6042.311337][ T74] do_syscall_64+0xc6/0x1e0 [ 6042.311337][ T74] [ 6042.313335][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6042.313335][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6042.313335][ T74] ipv6_find_idev+0x102/0x170 [ 6042.313335][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6042.313335][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6042.313335][ T74] netlink_rcv_skb+0x130/0x360 [ 6042.313335][ T74] netlink_unicast+0x449/0x710 [ 6042.313335][ T74] netlink_sendmsg+0x723/0xbe0 [ 6042.313335][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6042.313335][ T74] ___sys_sendmsg+0xee/0x170 [ 6042.313335][ T74] __sys_sendmsg+0xcd/0x170 [ 6042.313335][ T74] do_syscall_64+0xc6/0x1e0 [ 6042.313335][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6042.313335][ T74] [ 6042.315072][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6042.315072][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6042.315072][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6042.315072][ T74] ipv6_find_idev+0x102/0x170 [ 6042.315072][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6042.315072][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6042.315072][ T74] netlink_rcv_skb+0x130/0x360 [ 6042.315072][ T74] netlink_unicast+0x449/0x710 [ 6042.315072][ T74] netlink_sendmsg+0x723/0xbe0 [ 6042.315072][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6042.315072][ T74] ___sys_sendmsg+0xee/0x170 [ 6042.315072][ T74] __sys_sendmsg+0xcd/0x170 [ 6042.315072][ T74] do_syscall_64+0xc6/0x1e0 [ 6042.315072][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6042.315072][ T74] [ 6042.317010][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6042.317320][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6042.317320][ T74] netdev_get_by_index+0x5e/0x80 [ 6042.317320][ T74] fib6_nh_init+0x3d8/0x1580 [ 6042.317320][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6042.317320][ T74] ip6_route_add+0x1c/0x140 [ 6042.317320][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6042.317320][ T74] inet6_addr_add+0x4f8/0xa40 [ 6042.317320][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6042.317320][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6042.317320][ T74] netlink_rcv_skb+0x130/0x360 [ 6042.317320][ T74] netlink_unicast+0x449/0x710 [ 6042.317320][ T74] netlink_sendmsg+0x723/0xbe0 [ 6042.317320][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6042.317320][ T74] ___sys_sendmsg+0xee/0x170 [ 6042.317320][ T74] __sys_sendmsg+0xcd/0x170 [ 6042.317320][ T74] do_syscall_64+0xc6/0x1e0 [ 6042.317320][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6042.317320][ T74] [ 6042.319506][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6042.319506][ T74] netdev_get_by_index+0x5e/0x80 [ 6042.319506][ T74] fib6_nh_init+0x3d8/0x1580 [ 6042.319506][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6042.319506][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6042.319506][ T74] ipv6_add_addr+0x411/0x2000 [ 6042.319506][ T74] inet6_addr_add+0x30e/0xa40 [ 6042.319506][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6042.319506][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6042.319506][ T74] netlink_rcv_skb+0x130/0x360 [ 6042.319506][ T74] netlink_unicast+0x449/0x710 [ 6042.319506][ T74] netlink_sendmsg+0x723/0xbe0 [ 6042.319506][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6042.319506][ T74] ___sys_sendmsg+0xee/0x170 [ 6042.319506][ T74] __sys_sendmsg+0xcd/0x170 [ 6042.319506][ T74] do_syscall_64+0xc6/0x1e0 [ 6042.319506][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6042.319506][ T74] [ 6042.321756][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6042.321756][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6042.321756][ T74] ipv6_find_idev+0x102/0x170 [ 6042.321756][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6042.321756][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6042.321756][ T74] netlink_rcv_skb+0x130/0x360 [ 6042.321756][ T74] netlink_unicast+0x449/0x710 [ 6042.321756][ T74] netlink_sendmsg+0x723/0xbe0 [ 6042.321756][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6042.321756][ T74] ___sys_sendmsg+0xee/0x170 [ 6042.321756][ T74] __sys_sendmsg+0xcd/0x170 [ 6042.321756][ T74] do_syscall_64+0xc6/0x1e0 [ 6042.321756][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6042.321756][ T74] [ 6042.323480][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6042.323480][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6042.323480][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6042.323480][ T74] ipv6_find_idev+0x102/0x170 [ 6042.323480][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6042.323480][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6042.323480][ T74] netlink_rcv_skb+0x130/0x360 [ 6042.323480][ T74] netlink_unicast+0x449/0x710 [ 6042.323480][ T74] netlink_sendmsg+0x723/0xbe0 [ 6042.323480][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6042.323480][ T74] ___sys_sendmsg+0xee/0x170 [ 6042.323480][ T74] __sys_sendmsg+0xcd/0x170 [ 6042.323480][ T74] do_syscall_64+0xc6/0x1e0 [ 6042.323480][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6042.323480][ T74] [ 6052.567976][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6052.568353][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6052.568353][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6052.568353][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6052.568353][ T74] fib6_nh_init+0xa22/0x1580 [ 6052.568353][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6052.568353][ T74] ip6_route_add+0x1c/0x140 [ 6052.568353][ T74] inet6_rtm_newroute+0x104/0x110 [ 6052.568353][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6052.568353][ T74] netlink_rcv_skb+0x130/0x360 [ 6052.568353][ T74] netlink_unicast+0x449/0x710 [ 6052.568353][ T74] netlink_sendmsg+0x723/0xbe0 [ 6052.568353][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6052.568353][ T74] ___sys_sendmsg+0xee/0x170 [ 6052.568353][ T74] __sys_sendmsg+0xcd/0x170 [ 6052.568353][ T74] do_syscall_64+0xc6/0x1e0 [ 6052.568353][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6052.568353][ T74] [ 6052.570269][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6052.570269][ T74] netdev_get_by_index+0x5e/0x80 [ 6052.570269][ T74] fib6_nh_init+0x3d8/0x1580 [ 6052.570269][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6052.570269][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6052.570269][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6052.570269][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6052.570269][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6052.570269][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6052.570269][ T74] addrconf_dad_begin+0x310/0x670 [ 6052.570269][ T74] addrconf_dad_work+0x10b/0xab0 [ 6052.570269][ T74] process_one_work+0x84d/0x18a0 [ 6052.570269][ T74] worker_thread+0x587/0xd30 [ 6052.570269][ T74] kthread+0x28a/0x350 [ 6052.570269][ T74] ret_from_fork+0x31/0x70 [ 6052.570269][ T74] ret_from_fork_asm+0x1a/0x30 [ 6052.570269][ T74] [ 6052.572195][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6052.572195][ T74] netdev_get_by_index+0x5e/0x80 [ 6052.572195][ T74] fib6_nh_init+0x3d8/0x1580 [ 6052.572195][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6052.572195][ T74] ip6_route_add+0x1c/0x140 [ 6052.572195][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6052.572195][ T74] inet6_addr_add+0x4f8/0xa40 [ 6052.572195][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6052.572195][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6052.572195][ T74] netlink_rcv_skb+0x130/0x360 [ 6052.572195][ T74] netlink_unicast+0x449/0x710 [ 6052.572195][ T74] netlink_sendmsg+0x723/0xbe0 [ 6052.572195][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6052.572195][ T74] ___sys_sendmsg+0xee/0x170 [ 6052.572195][ T74] __sys_sendmsg+0xcd/0x170 [ 6052.572195][ T74] do_syscall_64+0xc6/0x1e0 [ 6052.572195][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6052.572195][ T74] [ 6052.574203][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6052.574203][ T74] netdev_get_by_index+0x5e/0x80 [ 6052.574203][ T74] fib6_nh_init+0x3d8/0x1580 [ 6052.574203][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6052.574203][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6052.574203][ T74] ipv6_add_addr+0x411/0x2000 [ 6052.574203][ T74] inet6_addr_add+0x30e/0xa40 [ 6052.574203][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6052.574203][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6052.574203][ T74] netlink_rcv_skb+0x130/0x360 [ 6052.574203][ T74] netlink_unicast+0x449/0x710 [ 6052.574203][ T74] netlink_sendmsg+0x723/0xbe0 [ 6052.574203][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6052.574203][ T74] ___sys_sendmsg+0xee/0x170 [ 6052.574203][ T74] __sys_sendmsg+0xcd/0x170 [ 6052.574203][ T74] do_syscall_64+0xc6/0x1e0 [ 6052.574203][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6052.574203][ T74] [ 6052.576244][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6052.576244][ T74] netdev_get_by_index+0x5e/0x80 [ 6052.576244][ T74] fib6_nh_init+0x3d8/0x1580 [ 6052.576244][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6052.576244][ T74] ip6_route_add+0x1c/0x140 [ 6052.576244][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6052.576244][ T74] addrconf_add_dev+0xe2/0x170 [ 6052.576244][ T74] inet6_addr_add+0x12f/0xa40 [ 6052.576244][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6052.576244][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6052.576244][ T74] netlink_rcv_skb+0x130/0x360 [ 6052.576244][ T74] netlink_unicast+0x449/0x710 [ 6052.576244][ T74] netlink_sendmsg+0x723/0xbe0 [ 6052.576244][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6052.576244][ T74] ___sys_sendmsg+0xee/0x170 [ 6052.576244][ T74] __sys_sendmsg+0xcd/0x170 [ 6052.576244][ T74] do_syscall_64+0xc6/0x1e0 [ 6052.576244][ T74] [ 6052.578221][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6052.578221][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6052.578221][ T74] ipv6_find_idev+0x102/0x170 [ 6052.578221][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6052.578221][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6052.578221][ T74] netlink_rcv_skb+0x130/0x360 [ 6052.578221][ T74] netlink_unicast+0x449/0x710 [ 6052.578221][ T74] netlink_sendmsg+0x723/0xbe0 [ 6052.578221][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6052.578221][ T74] ___sys_sendmsg+0xee/0x170 [ 6052.578221][ T74] __sys_sendmsg+0xcd/0x170 [ 6052.578221][ T74] do_syscall_64+0xc6/0x1e0 [ 6052.578221][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6052.578221][ T74] [ 6052.579773][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6052.579773][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6052.579773][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6052.579773][ T74] ipv6_find_idev+0x102/0x170 [ 6052.579773][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6052.579773][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6052.579773][ T74] netlink_rcv_skb+0x130/0x360 [ 6052.579773][ T74] netlink_unicast+0x449/0x710 [ 6052.579773][ T74] netlink_sendmsg+0x723/0xbe0 [ 6052.579773][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6052.579773][ T74] ___sys_sendmsg+0xee/0x170 [ 6052.579773][ T74] __sys_sendmsg+0xcd/0x170 [ 6052.579773][ T74] do_syscall_64+0xc6/0x1e0 [ 6052.579773][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6052.579773][ T74] [ 6052.581510][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6052.581790][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6052.581790][ T74] dst_init+0x84/0x4a0 [ 6052.581790][ T74] dst_alloc+0x97/0x150 [ 6052.581790][ T74] ip6_dst_alloc+0x23/0x90 [ 6052.581790][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6052.581790][ T74] ip6_pol_route+0x56f/0x840 [ 6052.581790][ T74] fib6_rule_lookup+0x456/0x630 [ 6052.581790][ T74] ip6_route_input+0x59c/0xa50 [ 6052.581790][ T74] ipv6_rcv+0x397/0x810 [ 6052.581790][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6052.581790][ T74] process_backlog+0x101/0x620 [ 6052.581790][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6052.581790][ T74] net_rx_action+0x495/0xbe0 [ 6052.581790][ T74] __do_softirq+0x1b5/0x7f6 [ 6052.581790][ T74] [ 6052.583441][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6052.583441][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6052.583441][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6052.583441][ T74] fib6_nh_init+0xa22/0x1580 [ 6052.583441][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6052.583441][ T74] ip6_route_add+0x1c/0x140 [ 6052.583441][ T74] inet6_rtm_newroute+0x104/0x110 [ 6052.583441][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6052.583441][ T74] netlink_rcv_skb+0x130/0x360 [ 6052.583441][ T74] netlink_unicast+0x449/0x710 [ 6052.583441][ T74] netlink_sendmsg+0x723/0xbe0 [ 6052.583441][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6052.583441][ T74] ___sys_sendmsg+0xee/0x170 [ 6052.583441][ T74] __sys_sendmsg+0xcd/0x170 [ 6052.583441][ T74] do_syscall_64+0xc6/0x1e0 [ 6052.583441][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6052.583441][ T74] [ 6052.585346][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6052.585346][ T74] netdev_get_by_index+0x5e/0x80 [ 6052.585346][ T74] fib6_nh_init+0x3d8/0x1580 [ 6052.585346][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6052.585346][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6052.585346][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6052.585346][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6052.585346][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6052.585346][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6052.585346][ T74] addrconf_dad_begin+0x310/0x670 [ 6052.585346][ T74] addrconf_dad_work+0x10b/0xab0 [ 6052.585346][ T74] process_one_work+0x84d/0x18a0 [ 6052.585346][ T74] worker_thread+0x587/0xd30 [ 6052.585346][ T74] kthread+0x28a/0x350 [ 6052.585346][ T74] ret_from_fork+0x31/0x70 [ 6052.585346][ T74] ret_from_fork_asm+0x1a/0x30 [ 6052.585346][ T74] [ 6052.587285][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6052.587285][ T74] netdev_get_by_index+0x5e/0x80 [ 6052.587285][ T74] fib6_nh_init+0x3d8/0x1580 [ 6052.587285][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6052.587285][ T74] ip6_route_add+0x1c/0x140 [ 6052.587285][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6052.587285][ T74] inet6_addr_add+0x4f8/0xa40 [ 6052.587285][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6052.587285][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6052.587285][ T74] netlink_rcv_skb+0x130/0x360 [ 6052.587285][ T74] netlink_unicast+0x449/0x710 [ 6052.587285][ T74] netlink_sendmsg+0x723/0xbe0 [ 6052.587285][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6052.587285][ T74] ___sys_sendmsg+0xee/0x170 [ 6052.587285][ T74] __sys_sendmsg+0xcd/0x170 [ 6052.587285][ T74] do_syscall_64+0xc6/0x1e0 [ 6052.587285][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6052.587285][ T74] [ 6052.589314][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6052.589314][ T74] netdev_get_by_index+0x5e/0x80 [ 6052.589314][ T74] fib6_nh_init+0x3d8/0x1580 [ 6052.589314][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6052.589314][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6052.589314][ T74] ipv6_add_addr+0x411/0x2000 [ 6052.589314][ T74] inet6_addr_add+0x30e/0xa40 [ 6052.589314][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6052.589314][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6052.589314][ T74] netlink_rcv_skb+0x130/0x360 [ 6052.589314][ T74] netlink_unicast+0x449/0x710 [ 6052.589314][ T74] netlink_sendmsg+0x723/0xbe0 [ 6052.589314][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6052.589314][ T74] ___sys_sendmsg+0xee/0x170 [ 6052.589314][ T74] __sys_sendmsg+0xcd/0x170 [ 6052.589314][ T74] do_syscall_64+0xc6/0x1e0 [ 6052.589314][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6052.589314][ T74] [ 6052.591342][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6052.591342][ T74] netdev_get_by_index+0x5e/0x80 [ 6052.591342][ T74] fib6_nh_init+0x3d8/0x1580 [ 6052.591342][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6052.591342][ T74] ip6_route_add+0x1c/0x140 [ 6052.591342][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6052.591342][ T74] addrconf_add_dev+0xe2/0x170 [ 6052.591342][ T74] inet6_addr_add+0x12f/0xa40 [ 6052.591342][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6052.591342][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6052.591342][ T74] netlink_rcv_skb+0x130/0x360 [ 6052.591342][ T74] netlink_unicast+0x449/0x710 [ 6052.591342][ T74] netlink_sendmsg+0x723/0xbe0 [ 6052.591342][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6052.591342][ T74] ___sys_sendmsg+0xee/0x170 [ 6052.591342][ T74] __sys_sendmsg+0xcd/0x170 [ 6052.591342][ T74] do_syscall_64+0xc6/0x1e0 [ 6052.591342][ T74] [ 6052.593473][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6052.593473][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6052.593473][ T74] ipv6_find_idev+0x102/0x170 [ 6052.593473][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6052.593473][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6052.593473][ T74] netlink_rcv_skb+0x130/0x360 [ 6052.593473][ T74] netlink_unicast+0x449/0x710 [ 6052.593473][ T74] netlink_sendmsg+0x723/0xbe0 [ 6052.593473][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6052.593473][ T74] ___sys_sendmsg+0xee/0x170 [ 6052.593473][ T74] __sys_sendmsg+0xcd/0x170 [ 6052.593473][ T74] do_syscall_64+0xc6/0x1e0 [ 6052.593473][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6052.593473][ T74] [ 6052.595155][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6052.595155][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6052.595155][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6052.595155][ T74] ipv6_find_idev+0x102/0x170 [ 6052.595155][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6052.595155][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6052.595155][ T74] netlink_rcv_skb+0x130/0x360 [ 6052.595155][ T74] netlink_unicast+0x449/0x710 [ 6052.595155][ T74] netlink_sendmsg+0x723/0xbe0 [ 6052.595155][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6052.595155][ T74] ___sys_sendmsg+0xee/0x170 [ 6052.595155][ T74] __sys_sendmsg+0xcd/0x170 [ 6052.595155][ T74] do_syscall_64+0xc6/0x1e0 [ 6052.595155][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6052.595155][ T74] [ 6052.597109][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6052.597408][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6052.597408][ T74] netdev_get_by_index+0x5e/0x80 [ 6052.597408][ T74] fib6_nh_init+0x3d8/0x1580 [ 6052.597408][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6052.597408][ T74] ip6_route_add+0x1c/0x140 [ 6052.597408][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6052.597408][ T74] inet6_addr_add+0x4f8/0xa40 [ 6052.597408][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6052.597408][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6052.597408][ T74] netlink_rcv_skb+0x130/0x360 [ 6052.597408][ T74] netlink_unicast+0x449/0x710 [ 6052.597408][ T74] netlink_sendmsg+0x723/0xbe0 [ 6052.597408][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6052.597408][ T74] ___sys_sendmsg+0xee/0x170 [ 6052.597408][ T74] __sys_sendmsg+0xcd/0x170 [ 6052.597408][ T74] do_syscall_64+0xc6/0x1e0 [ 6052.597408][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6052.597408][ T74] [ 6052.599596][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6052.599596][ T74] netdev_get_by_index+0x5e/0x80 [ 6052.599596][ T74] fib6_nh_init+0x3d8/0x1580 [ 6052.599596][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6052.599596][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6052.599596][ T74] ipv6_add_addr+0x411/0x2000 [ 6052.599596][ T74] inet6_addr_add+0x30e/0xa40 [ 6052.599596][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6052.599596][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6052.599596][ T74] netlink_rcv_skb+0x130/0x360 [ 6052.599596][ T74] netlink_unicast+0x449/0x710 [ 6052.599596][ T74] netlink_sendmsg+0x723/0xbe0 [ 6052.599596][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6052.599596][ T74] ___sys_sendmsg+0xee/0x170 [ 6052.599596][ T74] __sys_sendmsg+0xcd/0x170 [ 6052.599596][ T74] do_syscall_64+0xc6/0x1e0 [ 6052.599596][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6052.599596][ T74] [ 6052.601845][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6052.601845][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6052.601845][ T74] ipv6_find_idev+0x102/0x170 [ 6052.601845][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6052.601845][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6052.601845][ T74] netlink_rcv_skb+0x130/0x360 [ 6052.601845][ T74] netlink_unicast+0x449/0x710 [ 6052.601845][ T74] netlink_sendmsg+0x723/0xbe0 [ 6052.601845][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6052.601845][ T74] ___sys_sendmsg+0xee/0x170 [ 6052.601845][ T74] __sys_sendmsg+0xcd/0x170 [ 6052.601845][ T74] do_syscall_64+0xc6/0x1e0 [ 6052.601845][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6052.601845][ T74] [ 6052.603572][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6052.603572][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6052.603572][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6052.603572][ T74] ipv6_find_idev+0x102/0x170 [ 6052.603572][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6052.603572][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6052.603572][ T74] netlink_rcv_skb+0x130/0x360 [ 6052.603572][ T74] netlink_unicast+0x449/0x710 [ 6052.603572][ T74] netlink_sendmsg+0x723/0xbe0 [ 6052.603572][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6052.603572][ T74] ___sys_sendmsg+0xee/0x170 [ 6052.603572][ T74] __sys_sendmsg+0xcd/0x170 [ 6052.603572][ T74] do_syscall_64+0xc6/0x1e0 [ 6052.603572][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6052.603572][ T74] [ 6062.847958][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6062.848403][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6062.848403][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6062.848403][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6062.848403][ T74] fib6_nh_init+0xa22/0x1580 [ 6062.848403][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6062.848403][ T74] ip6_route_add+0x1c/0x140 [ 6062.848403][ T74] inet6_rtm_newroute+0x104/0x110 [ 6062.848403][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6062.848403][ T74] netlink_rcv_skb+0x130/0x360 [ 6062.848403][ T74] netlink_unicast+0x449/0x710 [ 6062.848403][ T74] netlink_sendmsg+0x723/0xbe0 [ 6062.848403][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6062.848403][ T74] ___sys_sendmsg+0xee/0x170 [ 6062.848403][ T74] __sys_sendmsg+0xcd/0x170 [ 6062.848403][ T74] do_syscall_64+0xc6/0x1e0 [ 6062.848403][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6062.848403][ T74] [ 6062.850355][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6062.850355][ T74] netdev_get_by_index+0x5e/0x80 [ 6062.850355][ T74] fib6_nh_init+0x3d8/0x1580 [ 6062.850355][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6062.850355][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6062.850355][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6062.850355][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6062.850355][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6062.850355][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6062.850355][ T74] addrconf_dad_begin+0x310/0x670 [ 6062.850355][ T74] addrconf_dad_work+0x10b/0xab0 [ 6062.850355][ T74] process_one_work+0x84d/0x18a0 [ 6062.850355][ T74] worker_thread+0x587/0xd30 [ 6062.850355][ T74] kthread+0x28a/0x350 [ 6062.850355][ T74] ret_from_fork+0x31/0x70 [ 6062.850355][ T74] ret_from_fork_asm+0x1a/0x30 [ 6062.850355][ T74] [ 6062.852295][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6062.852295][ T74] netdev_get_by_index+0x5e/0x80 [ 6062.852295][ T74] fib6_nh_init+0x3d8/0x1580 [ 6062.852295][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6062.852295][ T74] ip6_route_add+0x1c/0x140 [ 6062.852295][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6062.852295][ T74] inet6_addr_add+0x4f8/0xa40 [ 6062.852295][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6062.852295][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6062.852295][ T74] netlink_rcv_skb+0x130/0x360 [ 6062.852295][ T74] netlink_unicast+0x449/0x710 [ 6062.852295][ T74] netlink_sendmsg+0x723/0xbe0 [ 6062.852295][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6062.852295][ T74] ___sys_sendmsg+0xee/0x170 [ 6062.852295][ T74] __sys_sendmsg+0xcd/0x170 [ 6062.852295][ T74] do_syscall_64+0xc6/0x1e0 [ 6062.852295][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6062.852295][ T74] [ 6062.854317][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6062.854317][ T74] netdev_get_by_index+0x5e/0x80 [ 6062.854317][ T74] fib6_nh_init+0x3d8/0x1580 [ 6062.854317][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6062.854317][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6062.854317][ T74] ipv6_add_addr+0x411/0x2000 [ 6062.854317][ T74] inet6_addr_add+0x30e/0xa40 [ 6062.854317][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6062.854317][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6062.854317][ T74] netlink_rcv_skb+0x130/0x360 [ 6062.854317][ T74] netlink_unicast+0x449/0x710 [ 6062.854317][ T74] netlink_sendmsg+0x723/0xbe0 [ 6062.854317][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6062.854317][ T74] ___sys_sendmsg+0xee/0x170 [ 6062.854317][ T74] __sys_sendmsg+0xcd/0x170 [ 6062.854317][ T74] do_syscall_64+0xc6/0x1e0 [ 6062.854317][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6062.854317][ T74] [ 6062.856342][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6062.856342][ T74] netdev_get_by_index+0x5e/0x80 [ 6062.856342][ T74] fib6_nh_init+0x3d8/0x1580 [ 6062.856342][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6062.856342][ T74] ip6_route_add+0x1c/0x140 [ 6062.856342][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6062.856342][ T74] addrconf_add_dev+0xe2/0x170 [ 6062.856342][ T74] inet6_addr_add+0x12f/0xa40 [ 6062.856342][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6062.856342][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6062.856342][ T74] netlink_rcv_skb+0x130/0x360 [ 6062.856342][ T74] netlink_unicast+0x449/0x710 [ 6062.856342][ T74] netlink_sendmsg+0x723/0xbe0 [ 6062.856342][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6062.856342][ T74] ___sys_sendmsg+0xee/0x170 [ 6062.856342][ T74] __sys_sendmsg+0xcd/0x170 [ 6062.856342][ T74] do_syscall_64+0xc6/0x1e0 [ 6062.856342][ T74] [ 6062.858334][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6062.858334][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6062.858334][ T74] ipv6_find_idev+0x102/0x170 [ 6062.858334][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6062.858334][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6062.858334][ T74] netlink_rcv_skb+0x130/0x360 [ 6062.858334][ T74] netlink_unicast+0x449/0x710 [ 6062.858334][ T74] netlink_sendmsg+0x723/0xbe0 [ 6062.858334][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6062.858334][ T74] ___sys_sendmsg+0xee/0x170 [ 6062.858334][ T74] __sys_sendmsg+0xcd/0x170 [ 6062.858334][ T74] do_syscall_64+0xc6/0x1e0 [ 6062.858334][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6062.858334][ T74] [ 6062.859893][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6062.859893][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6062.859893][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6062.859893][ T74] ipv6_find_idev+0x102/0x170 [ 6062.859893][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6062.859893][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6062.859893][ T74] netlink_rcv_skb+0x130/0x360 [ 6062.859893][ T74] netlink_unicast+0x449/0x710 [ 6062.859893][ T74] netlink_sendmsg+0x723/0xbe0 [ 6062.859893][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6062.859893][ T74] ___sys_sendmsg+0xee/0x170 [ 6062.859893][ T74] __sys_sendmsg+0xcd/0x170 [ 6062.859893][ T74] do_syscall_64+0xc6/0x1e0 [ 6062.859893][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6062.859893][ T74] [ 6062.861614][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6062.861896][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6062.861896][ T74] dst_init+0x84/0x4a0 [ 6062.861896][ T74] dst_alloc+0x97/0x150 [ 6062.861896][ T74] ip6_dst_alloc+0x23/0x90 [ 6062.861896][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6062.861896][ T74] ip6_pol_route+0x56f/0x840 [ 6062.861896][ T74] fib6_rule_lookup+0x456/0x630 [ 6062.861896][ T74] ip6_route_input+0x59c/0xa50 [ 6062.861896][ T74] ipv6_rcv+0x397/0x810 [ 6062.861896][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6062.861896][ T74] process_backlog+0x101/0x620 [ 6062.861896][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6062.861896][ T74] net_rx_action+0x495/0xbe0 [ 6062.861896][ T74] __do_softirq+0x1b5/0x7f6 [ 6062.861896][ T74] [ 6062.863546][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6062.863546][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6062.863546][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6062.863546][ T74] fib6_nh_init+0xa22/0x1580 [ 6062.863546][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6062.863546][ T74] ip6_route_add+0x1c/0x140 [ 6062.863546][ T74] inet6_rtm_newroute+0x104/0x110 [ 6062.863546][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6062.863546][ T74] netlink_rcv_skb+0x130/0x360 [ 6062.863546][ T74] netlink_unicast+0x449/0x710 [ 6062.863546][ T74] netlink_sendmsg+0x723/0xbe0 [ 6062.863546][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6062.863546][ T74] ___sys_sendmsg+0xee/0x170 [ 6062.863546][ T74] __sys_sendmsg+0xcd/0x170 [ 6062.863546][ T74] do_syscall_64+0xc6/0x1e0 [ 6062.863546][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6062.863546][ T74] [ 6062.865443][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6062.865443][ T74] netdev_get_by_index+0x5e/0x80 [ 6062.865443][ T74] fib6_nh_init+0x3d8/0x1580 [ 6062.865443][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6062.865443][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6062.865443][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6062.865443][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6062.865443][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6062.865443][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6062.865443][ T74] addrconf_dad_begin+0x310/0x670 [ 6062.865443][ T74] addrconf_dad_work+0x10b/0xab0 [ 6062.865443][ T74] process_one_work+0x84d/0x18a0 [ 6062.865443][ T74] worker_thread+0x587/0xd30 [ 6062.865443][ T74] kthread+0x28a/0x350 [ 6062.865443][ T74] ret_from_fork+0x31/0x70 [ 6062.865443][ T74] ret_from_fork_asm+0x1a/0x30 [ 6062.865443][ T74] [ 6062.867357][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6062.867357][ T74] netdev_get_by_index+0x5e/0x80 [ 6062.867357][ T74] fib6_nh_init+0x3d8/0x1580 [ 6062.867357][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6062.867357][ T74] ip6_route_add+0x1c/0x140 [ 6062.867357][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6062.867357][ T74] inet6_addr_add+0x4f8/0xa40 [ 6062.867357][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6062.867357][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6062.867357][ T74] netlink_rcv_skb+0x130/0x360 [ 6062.867357][ T74] netlink_unicast+0x449/0x710 [ 6062.867357][ T74] netlink_sendmsg+0x723/0xbe0 [ 6062.867357][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6062.867357][ T74] ___sys_sendmsg+0xee/0x170 [ 6062.867357][ T74] __sys_sendmsg+0xcd/0x170 [ 6062.867357][ T74] do_syscall_64+0xc6/0x1e0 [ 6062.867357][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6062.867357][ T74] [ 6062.869366][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6062.869366][ T74] netdev_get_by_index+0x5e/0x80 [ 6062.869366][ T74] fib6_nh_init+0x3d8/0x1580 [ 6062.869366][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6062.869366][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6062.869366][ T74] ipv6_add_addr+0x411/0x2000 [ 6062.869366][ T74] inet6_addr_add+0x30e/0xa40 [ 6062.869366][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6062.869366][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6062.869366][ T74] netlink_rcv_skb+0x130/0x360 [ 6062.869366][ T74] netlink_unicast+0x449/0x710 [ 6062.869366][ T74] netlink_sendmsg+0x723/0xbe0 [ 6062.869366][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6062.869366][ T74] ___sys_sendmsg+0xee/0x170 [ 6062.869366][ T74] __sys_sendmsg+0xcd/0x170 [ 6062.869366][ T74] do_syscall_64+0xc6/0x1e0 [ 6062.869366][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6062.869366][ T74] [ 6062.871386][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6062.871386][ T74] netdev_get_by_index+0x5e/0x80 [ 6062.871386][ T74] fib6_nh_init+0x3d8/0x1580 [ 6062.871386][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6062.871386][ T74] ip6_route_add+0x1c/0x140 [ 6062.871386][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6062.871386][ T74] addrconf_add_dev+0xe2/0x170 [ 6062.871386][ T74] inet6_addr_add+0x12f/0xa40 [ 6062.871386][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6062.871386][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6062.871386][ T74] netlink_rcv_skb+0x130/0x360 [ 6062.871386][ T74] netlink_unicast+0x449/0x710 [ 6062.871386][ T74] netlink_sendmsg+0x723/0xbe0 [ 6062.871386][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6062.871386][ T74] ___sys_sendmsg+0xee/0x170 [ 6062.871386][ T74] __sys_sendmsg+0xcd/0x170 [ 6062.871386][ T74] do_syscall_64+0xc6/0x1e0 [ 6062.871386][ T74] [ 6062.873362][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6062.873362][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6062.873362][ T74] ipv6_find_idev+0x102/0x170 [ 6062.873362][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6062.873362][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6062.873362][ T74] netlink_rcv_skb+0x130/0x360 [ 6062.873362][ T74] netlink_unicast+0x449/0x710 [ 6062.873362][ T74] netlink_sendmsg+0x723/0xbe0 [ 6062.873362][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6062.873362][ T74] ___sys_sendmsg+0xee/0x170 [ 6062.873362][ T74] __sys_sendmsg+0xcd/0x170 [ 6062.873362][ T74] do_syscall_64+0xc6/0x1e0 [ 6062.873362][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6062.873362][ T74] [ 6062.875105][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6062.875105][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6062.875105][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6062.875105][ T74] ipv6_find_idev+0x102/0x170 [ 6062.875105][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6062.875105][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6062.875105][ T74] netlink_rcv_skb+0x130/0x360 [ 6062.875105][ T74] netlink_unicast+0x449/0x710 [ 6062.875105][ T74] netlink_sendmsg+0x723/0xbe0 [ 6062.875105][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6062.875105][ T74] ___sys_sendmsg+0xee/0x170 [ 6062.875105][ T74] __sys_sendmsg+0xcd/0x170 [ 6062.875105][ T74] do_syscall_64+0xc6/0x1e0 [ 6062.875105][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6062.875105][ T74] [ 6062.877050][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6062.877355][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6062.877355][ T74] netdev_get_by_index+0x5e/0x80 [ 6062.877355][ T74] fib6_nh_init+0x3d8/0x1580 [ 6062.877355][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6062.877355][ T74] ip6_route_add+0x1c/0x140 [ 6062.877355][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6062.877355][ T74] inet6_addr_add+0x4f8/0xa40 [ 6062.877355][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6062.877355][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6062.877355][ T74] netlink_rcv_skb+0x130/0x360 [ 6062.877355][ T74] netlink_unicast+0x449/0x710 [ 6062.877355][ T74] netlink_sendmsg+0x723/0xbe0 [ 6062.877355][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6062.877355][ T74] ___sys_sendmsg+0xee/0x170 [ 6062.877355][ T74] __sys_sendmsg+0xcd/0x170 [ 6062.877355][ T74] do_syscall_64+0xc6/0x1e0 [ 6062.877355][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6062.877355][ T74] [ 6062.879577][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6062.879577][ T74] netdev_get_by_index+0x5e/0x80 [ 6062.879577][ T74] fib6_nh_init+0x3d8/0x1580 [ 6062.879577][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6062.879577][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6062.879577][ T74] ipv6_add_addr+0x411/0x2000 [ 6062.879577][ T74] inet6_addr_add+0x30e/0xa40 [ 6062.879577][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6062.879577][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6062.879577][ T74] netlink_rcv_skb+0x130/0x360 [ 6062.879577][ T74] netlink_unicast+0x449/0x710 [ 6062.879577][ T74] netlink_sendmsg+0x723/0xbe0 [ 6062.879577][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6062.879577][ T74] ___sys_sendmsg+0xee/0x170 [ 6062.879577][ T74] __sys_sendmsg+0xcd/0x170 [ 6062.879577][ T74] do_syscall_64+0xc6/0x1e0 [ 6062.879577][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6062.879577][ T74] [ 6062.881836][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6062.881836][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6062.881836][ T74] ipv6_find_idev+0x102/0x170 [ 6062.881836][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6062.881836][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6062.881836][ T74] netlink_rcv_skb+0x130/0x360 [ 6062.881836][ T74] netlink_unicast+0x449/0x710 [ 6062.881836][ T74] netlink_sendmsg+0x723/0xbe0 [ 6062.881836][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6062.881836][ T74] ___sys_sendmsg+0xee/0x170 [ 6062.881836][ T74] __sys_sendmsg+0xcd/0x170 [ 6062.881836][ T74] do_syscall_64+0xc6/0x1e0 [ 6062.881836][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6062.881836][ T74] [ 6062.883576][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6062.883576][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6062.883576][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6062.883576][ T74] ipv6_find_idev+0x102/0x170 [ 6062.883576][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6062.883576][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6062.883576][ T74] netlink_rcv_skb+0x130/0x360 [ 6062.883576][ T74] netlink_unicast+0x449/0x710 [ 6062.883576][ T74] netlink_sendmsg+0x723/0xbe0 [ 6062.883576][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6062.883576][ T74] ___sys_sendmsg+0xee/0x170 [ 6062.883576][ T74] __sys_sendmsg+0xcd/0x170 [ 6062.883576][ T74] do_syscall_64+0xc6/0x1e0 [ 6062.883576][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6062.883576][ T74] [ 6072.983952][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6072.984320][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6072.984320][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6072.984320][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6072.984320][ T74] fib6_nh_init+0xa22/0x1580 [ 6072.984320][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6072.984320][ T74] ip6_route_add+0x1c/0x140 [ 6072.984320][ T74] inet6_rtm_newroute+0x104/0x110 [ 6072.984320][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6072.984320][ T74] netlink_rcv_skb+0x130/0x360 [ 6072.984320][ T74] netlink_unicast+0x449/0x710 [ 6072.984320][ T74] netlink_sendmsg+0x723/0xbe0 [ 6072.984320][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6072.984320][ T74] ___sys_sendmsg+0xee/0x170 [ 6072.984320][ T74] __sys_sendmsg+0xcd/0x170 [ 6072.984320][ T74] do_syscall_64+0xc6/0x1e0 [ 6072.984320][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6072.984320][ T74] [ 6072.986239][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6072.986239][ T74] netdev_get_by_index+0x5e/0x80 [ 6072.986239][ T74] fib6_nh_init+0x3d8/0x1580 [ 6072.986239][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6072.986239][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6072.986239][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6072.986239][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6072.986239][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6072.986239][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6072.986239][ T74] addrconf_dad_begin+0x310/0x670 [ 6072.986239][ T74] addrconf_dad_work+0x10b/0xab0 [ 6072.986239][ T74] process_one_work+0x84d/0x18a0 [ 6072.986239][ T74] worker_thread+0x587/0xd30 [ 6072.986239][ T74] kthread+0x28a/0x350 [ 6072.986239][ T74] ret_from_fork+0x31/0x70 [ 6072.986239][ T74] ret_from_fork_asm+0x1a/0x30 [ 6072.986239][ T74] [ 6072.988173][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6072.988173][ T74] netdev_get_by_index+0x5e/0x80 [ 6072.988173][ T74] fib6_nh_init+0x3d8/0x1580 [ 6072.988173][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6072.988173][ T74] ip6_route_add+0x1c/0x140 [ 6072.988173][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6072.988173][ T74] inet6_addr_add+0x4f8/0xa40 [ 6072.988173][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6072.988173][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6072.988173][ T74] netlink_rcv_skb+0x130/0x360 [ 6072.988173][ T74] netlink_unicast+0x449/0x710 [ 6072.988173][ T74] netlink_sendmsg+0x723/0xbe0 [ 6072.988173][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6072.988173][ T74] ___sys_sendmsg+0xee/0x170 [ 6072.988173][ T74] __sys_sendmsg+0xcd/0x170 [ 6072.988173][ T74] do_syscall_64+0xc6/0x1e0 [ 6072.988173][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6072.988173][ T74] [ 6072.990227][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6072.990227][ T74] netdev_get_by_index+0x5e/0x80 [ 6072.990227][ T74] fib6_nh_init+0x3d8/0x1580 [ 6072.990227][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6072.990227][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6072.990227][ T74] ipv6_add_addr+0x411/0x2000 [ 6072.990227][ T74] inet6_addr_add+0x30e/0xa40 [ 6072.990227][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6072.990227][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6072.990227][ T74] netlink_rcv_skb+0x130/0x360 [ 6072.990227][ T74] netlink_unicast+0x449/0x710 [ 6072.990227][ T74] netlink_sendmsg+0x723/0xbe0 [ 6072.990227][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6072.990227][ T74] ___sys_sendmsg+0xee/0x170 [ 6072.990227][ T74] __sys_sendmsg+0xcd/0x170 [ 6072.990227][ T74] do_syscall_64+0xc6/0x1e0 [ 6072.990227][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6072.990227][ T74] [ 6072.992246][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6072.992246][ T74] netdev_get_by_index+0x5e/0x80 [ 6072.992246][ T74] fib6_nh_init+0x3d8/0x1580 [ 6072.992246][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6072.992246][ T74] ip6_route_add+0x1c/0x140 [ 6072.992246][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6072.992246][ T74] addrconf_add_dev+0xe2/0x170 [ 6072.992246][ T74] inet6_addr_add+0x12f/0xa40 [ 6072.992246][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6072.992246][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6072.992246][ T74] netlink_rcv_skb+0x130/0x360 [ 6072.992246][ T74] netlink_unicast+0x449/0x710 [ 6072.992246][ T74] netlink_sendmsg+0x723/0xbe0 [ 6072.992246][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6072.992246][ T74] ___sys_sendmsg+0xee/0x170 [ 6072.992246][ T74] __sys_sendmsg+0xcd/0x170 [ 6072.992246][ T74] do_syscall_64+0xc6/0x1e0 [ 6072.992246][ T74] [ 6072.994231][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6072.994231][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6072.994231][ T74] ipv6_find_idev+0x102/0x170 [ 6072.994231][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6072.994231][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6072.994231][ T74] netlink_rcv_skb+0x130/0x360 [ 6072.994231][ T74] netlink_unicast+0x449/0x710 [ 6072.994231][ T74] netlink_sendmsg+0x723/0xbe0 [ 6072.994231][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6072.994231][ T74] ___sys_sendmsg+0xee/0x170 [ 6072.994231][ T74] __sys_sendmsg+0xcd/0x170 [ 6072.994231][ T74] do_syscall_64+0xc6/0x1e0 [ 6072.994231][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6072.994231][ T74] [ 6072.995795][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6072.995795][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6072.995795][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6072.995795][ T74] ipv6_find_idev+0x102/0x170 [ 6072.995795][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6072.995795][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6072.995795][ T74] netlink_rcv_skb+0x130/0x360 [ 6072.995795][ T74] netlink_unicast+0x449/0x710 [ 6072.995795][ T74] netlink_sendmsg+0x723/0xbe0 [ 6072.995795][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6072.995795][ T74] ___sys_sendmsg+0xee/0x170 [ 6072.995795][ T74] __sys_sendmsg+0xcd/0x170 [ 6072.995795][ T74] do_syscall_64+0xc6/0x1e0 [ 6072.995795][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6072.995795][ T74] [ 6072.997522][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6072.997796][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6072.997796][ T74] dst_init+0x84/0x4a0 [ 6072.997796][ T74] dst_alloc+0x97/0x150 [ 6072.997796][ T74] ip6_dst_alloc+0x23/0x90 [ 6072.997796][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6072.997796][ T74] ip6_pol_route+0x56f/0x840 [ 6072.997796][ T74] fib6_rule_lookup+0x456/0x630 [ 6072.997796][ T74] ip6_route_input+0x59c/0xa50 [ 6072.997796][ T74] ipv6_rcv+0x397/0x810 [ 6072.997796][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6072.997796][ T74] process_backlog+0x101/0x620 [ 6072.997796][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6072.997796][ T74] net_rx_action+0x495/0xbe0 [ 6072.997796][ T74] __do_softirq+0x1b5/0x7f6 [ 6072.997796][ T74] [ 6072.999989][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6072.999989][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6072.999989][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6072.999989][ T74] fib6_nh_init+0xa22/0x1580 [ 6072.999989][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6072.999989][ T74] ip6_route_add+0x1c/0x140 [ 6072.999989][ T74] inet6_rtm_newroute+0x104/0x110 [ 6072.999989][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6072.999989][ T74] netlink_rcv_skb+0x130/0x360 [ 6072.999989][ T74] netlink_unicast+0x449/0x710 [ 6072.999989][ T74] netlink_sendmsg+0x723/0xbe0 [ 6072.999989][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6072.999989][ T74] ___sys_sendmsg+0xee/0x170 [ 6072.999989][ T74] __sys_sendmsg+0xcd/0x170 [ 6072.999989][ T74] do_syscall_64+0xc6/0x1e0 [ 6072.999989][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6072.999989][ T74] [ 6073.001899][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6073.001899][ T74] netdev_get_by_index+0x5e/0x80 [ 6073.001899][ T74] fib6_nh_init+0x3d8/0x1580 [ 6073.001899][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6073.001899][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6073.001899][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6073.001899][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6073.001899][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6073.001899][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6073.001899][ T74] addrconf_dad_begin+0x310/0x670 [ 6073.001899][ T74] addrconf_dad_work+0x10b/0xab0 [ 6073.001899][ T74] process_one_work+0x84d/0x18a0 [ 6073.001899][ T74] worker_thread+0x587/0xd30 [ 6073.001899][ T74] kthread+0x28a/0x350 [ 6073.001899][ T74] ret_from_fork+0x31/0x70 [ 6073.001899][ T74] ret_from_fork_asm+0x1a/0x30 [ 6073.001899][ T74] [ 6073.003845][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6073.003845][ T74] netdev_get_by_index+0x5e/0x80 [ 6073.003845][ T74] fib6_nh_init+0x3d8/0x1580 [ 6073.003845][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6073.003845][ T74] ip6_route_add+0x1c/0x140 [ 6073.003845][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6073.003845][ T74] inet6_addr_add+0x4f8/0xa40 [ 6073.003845][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6073.003845][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6073.003845][ T74] netlink_rcv_skb+0x130/0x360 [ 6073.003845][ T74] netlink_unicast+0x449/0x710 [ 6073.003845][ T74] netlink_sendmsg+0x723/0xbe0 [ 6073.003845][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6073.003845][ T74] ___sys_sendmsg+0xee/0x170 [ 6073.003845][ T74] __sys_sendmsg+0xcd/0x170 [ 6073.003845][ T74] do_syscall_64+0xc6/0x1e0 [ 6073.003845][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6073.003845][ T74] [ 6073.005877][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6073.005877][ T74] netdev_get_by_index+0x5e/0x80 [ 6073.005877][ T74] fib6_nh_init+0x3d8/0x1580 [ 6073.005877][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6073.005877][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6073.005877][ T74] ipv6_add_addr+0x411/0x2000 [ 6073.005877][ T74] inet6_addr_add+0x30e/0xa40 [ 6073.005877][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6073.005877][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6073.005877][ T74] netlink_rcv_skb+0x130/0x360 [ 6073.005877][ T74] netlink_unicast+0x449/0x710 [ 6073.005877][ T74] netlink_sendmsg+0x723/0xbe0 [ 6073.005877][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6073.005877][ T74] ___sys_sendmsg+0xee/0x170 [ 6073.005877][ T74] __sys_sendmsg+0xcd/0x170 [ 6073.005877][ T74] do_syscall_64+0xc6/0x1e0 [ 6073.005877][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6073.005877][ T74] [ 6073.007896][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6073.007896][ T74] netdev_get_by_index+0x5e/0x80 [ 6073.007896][ T74] fib6_nh_init+0x3d8/0x1580 [ 6073.007896][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6073.007896][ T74] ip6_route_add+0x1c/0x140 [ 6073.007896][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6073.007896][ T74] addrconf_add_dev+0xe2/0x170 [ 6073.007896][ T74] inet6_addr_add+0x12f/0xa40 [ 6073.007896][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6073.007896][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6073.007896][ T74] netlink_rcv_skb+0x130/0x360 [ 6073.007896][ T74] netlink_unicast+0x449/0x710 [ 6073.007896][ T74] netlink_sendmsg+0x723/0xbe0 [ 6073.007896][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6073.007896][ T74] ___sys_sendmsg+0xee/0x170 [ 6073.007896][ T74] __sys_sendmsg+0xcd/0x170 [ 6073.007896][ T74] do_syscall_64+0xc6/0x1e0 [ 6073.007896][ T74] [ 6073.009868][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6073.009868][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6073.009868][ T74] ipv6_find_idev+0x102/0x170 [ 6073.009868][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6073.009868][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6073.009868][ T74] netlink_rcv_skb+0x130/0x360 [ 6073.009868][ T74] netlink_unicast+0x449/0x710 [ 6073.009868][ T74] netlink_sendmsg+0x723/0xbe0 [ 6073.009868][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6073.009868][ T74] ___sys_sendmsg+0xee/0x170 [ 6073.009868][ T74] __sys_sendmsg+0xcd/0x170 [ 6073.009868][ T74] do_syscall_64+0xc6/0x1e0 [ 6073.009868][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6073.009868][ T74] [ 6073.011553][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6073.011553][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6073.011553][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6073.011553][ T74] ipv6_find_idev+0x102/0x170 [ 6073.011553][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6073.011553][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6073.011553][ T74] netlink_rcv_skb+0x130/0x360 [ 6073.011553][ T74] netlink_unicast+0x449/0x710 [ 6073.011553][ T74] netlink_sendmsg+0x723/0xbe0 [ 6073.011553][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6073.011553][ T74] ___sys_sendmsg+0xee/0x170 [ 6073.011553][ T74] __sys_sendmsg+0xcd/0x170 [ 6073.011553][ T74] do_syscall_64+0xc6/0x1e0 [ 6073.011553][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6073.011553][ T74] [ 6073.013502][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6073.013803][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6073.013803][ T74] netdev_get_by_index+0x5e/0x80 [ 6073.013803][ T74] fib6_nh_init+0x3d8/0x1580 [ 6073.013803][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6073.013803][ T74] ip6_route_add+0x1c/0x140 [ 6073.013803][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6073.013803][ T74] inet6_addr_add+0x4f8/0xa40 [ 6073.013803][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6073.013803][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6073.013803][ T74] netlink_rcv_skb+0x130/0x360 [ 6073.013803][ T74] netlink_unicast+0x449/0x710 [ 6073.013803][ T74] netlink_sendmsg+0x723/0xbe0 [ 6073.013803][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6073.013803][ T74] ___sys_sendmsg+0xee/0x170 [ 6073.013803][ T74] __sys_sendmsg+0xcd/0x170 [ 6073.013803][ T74] do_syscall_64+0xc6/0x1e0 [ 6073.013803][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6073.013803][ T74] [ 6073.015997][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6073.015997][ T74] netdev_get_by_index+0x5e/0x80 [ 6073.015997][ T74] fib6_nh_init+0x3d8/0x1580 [ 6073.015997][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6073.015997][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6073.015997][ T74] ipv6_add_addr+0x411/0x2000 [ 6073.015997][ T74] inet6_addr_add+0x30e/0xa40 [ 6073.015997][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6073.015997][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6073.015997][ T74] netlink_rcv_skb+0x130/0x360 [ 6073.015997][ T74] netlink_unicast+0x449/0x710 [ 6073.015997][ T74] netlink_sendmsg+0x723/0xbe0 [ 6073.015997][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6073.015997][ T74] ___sys_sendmsg+0xee/0x170 [ 6073.015997][ T74] __sys_sendmsg+0xcd/0x170 [ 6073.015997][ T74] do_syscall_64+0xc6/0x1e0 [ 6073.015997][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6073.015997][ T74] [ 6073.018249][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6073.018249][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6073.018249][ T74] ipv6_find_idev+0x102/0x170 [ 6073.018249][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6073.018249][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6073.018249][ T74] netlink_rcv_skb+0x130/0x360 [ 6073.018249][ T74] netlink_unicast+0x449/0x710 [ 6073.018249][ T74] netlink_sendmsg+0x723/0xbe0 [ 6073.018249][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6073.018249][ T74] ___sys_sendmsg+0xee/0x170 [ 6073.018249][ T74] __sys_sendmsg+0xcd/0x170 [ 6073.018249][ T74] do_syscall_64+0xc6/0x1e0 [ 6073.018249][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6073.018249][ T74] [ 6073.019978][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6073.019978][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6073.019978][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6073.019978][ T74] ipv6_find_idev+0x102/0x170 [ 6073.019978][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6073.019978][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6073.019978][ T74] netlink_rcv_skb+0x130/0x360 [ 6073.019978][ T74] netlink_unicast+0x449/0x710 [ 6073.019978][ T74] netlink_sendmsg+0x723/0xbe0 [ 6073.019978][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6073.019978][ T74] ___sys_sendmsg+0xee/0x170 [ 6073.019978][ T74] __sys_sendmsg+0xcd/0x170 [ 6073.019978][ T74] do_syscall_64+0xc6/0x1e0 [ 6073.019978][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6073.019978][ T74] [ 6083.263966][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6083.264409][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6083.264409][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6083.264409][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6083.264409][ T74] fib6_nh_init+0xa22/0x1580 [ 6083.264409][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6083.264409][ T74] ip6_route_add+0x1c/0x140 [ 6083.264409][ T74] inet6_rtm_newroute+0x104/0x110 [ 6083.264409][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6083.264409][ T74] netlink_rcv_skb+0x130/0x360 [ 6083.264409][ T74] netlink_unicast+0x449/0x710 [ 6083.264409][ T74] netlink_sendmsg+0x723/0xbe0 [ 6083.264409][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6083.264409][ T74] ___sys_sendmsg+0xee/0x170 [ 6083.264409][ T74] __sys_sendmsg+0xcd/0x170 [ 6083.264409][ T74] do_syscall_64+0xc6/0x1e0 [ 6083.264409][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6083.264409][ T74] [ 6083.266355][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6083.266355][ T74] netdev_get_by_index+0x5e/0x80 [ 6083.266355][ T74] fib6_nh_init+0x3d8/0x1580 [ 6083.266355][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6083.266355][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6083.266355][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6083.266355][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6083.266355][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6083.266355][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6083.266355][ T74] addrconf_dad_begin+0x310/0x670 [ 6083.266355][ T74] addrconf_dad_work+0x10b/0xab0 [ 6083.266355][ T74] process_one_work+0x84d/0x18a0 [ 6083.266355][ T74] worker_thread+0x587/0xd30 [ 6083.266355][ T74] kthread+0x28a/0x350 [ 6083.266355][ T74] ret_from_fork+0x31/0x70 [ 6083.266355][ T74] ret_from_fork_asm+0x1a/0x30 [ 6083.266355][ T74] [ 6083.268411][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6083.268411][ T74] netdev_get_by_index+0x5e/0x80 [ 6083.268411][ T74] fib6_nh_init+0x3d8/0x1580 [ 6083.268411][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6083.268411][ T74] ip6_route_add+0x1c/0x140 [ 6083.268411][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6083.268411][ T74] inet6_addr_add+0x4f8/0xa40 [ 6083.268411][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6083.268411][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6083.268411][ T74] netlink_rcv_skb+0x130/0x360 [ 6083.268411][ T74] netlink_unicast+0x449/0x710 [ 6083.268411][ T74] netlink_sendmsg+0x723/0xbe0 [ 6083.268411][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6083.268411][ T74] ___sys_sendmsg+0xee/0x170 [ 6083.268411][ T74] __sys_sendmsg+0xcd/0x170 [ 6083.268411][ T74] do_syscall_64+0xc6/0x1e0 [ 6083.268411][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6083.268411][ T74] [ 6083.270447][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6083.270447][ T74] netdev_get_by_index+0x5e/0x80 [ 6083.270447][ T74] fib6_nh_init+0x3d8/0x1580 [ 6083.270447][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6083.270447][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6083.270447][ T74] ipv6_add_addr+0x411/0x2000 [ 6083.270447][ T74] inet6_addr_add+0x30e/0xa40 [ 6083.270447][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6083.270447][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6083.270447][ T74] netlink_rcv_skb+0x130/0x360 [ 6083.270447][ T74] netlink_unicast+0x449/0x710 [ 6083.270447][ T74] netlink_sendmsg+0x723/0xbe0 [ 6083.270447][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6083.270447][ T74] ___sys_sendmsg+0xee/0x170 [ 6083.270447][ T74] __sys_sendmsg+0xcd/0x170 [ 6083.270447][ T74] do_syscall_64+0xc6/0x1e0 [ 6083.270447][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6083.270447][ T74] [ 6083.272471][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6083.272471][ T74] netdev_get_by_index+0x5e/0x80 [ 6083.272471][ T74] fib6_nh_init+0x3d8/0x1580 [ 6083.272471][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6083.272471][ T74] ip6_route_add+0x1c/0x140 [ 6083.272471][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6083.272471][ T74] addrconf_add_dev+0xe2/0x170 [ 6083.272471][ T74] inet6_addr_add+0x12f/0xa40 [ 6083.272471][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6083.272471][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6083.272471][ T74] netlink_rcv_skb+0x130/0x360 [ 6083.272471][ T74] netlink_unicast+0x449/0x710 [ 6083.272471][ T74] netlink_sendmsg+0x723/0xbe0 [ 6083.272471][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6083.272471][ T74] ___sys_sendmsg+0xee/0x170 [ 6083.272471][ T74] __sys_sendmsg+0xcd/0x170 [ 6083.272471][ T74] do_syscall_64+0xc6/0x1e0 [ 6083.272471][ T74] [ 6083.274460][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6083.274460][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6083.274460][ T74] ipv6_find_idev+0x102/0x170 [ 6083.274460][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6083.274460][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6083.274460][ T74] netlink_rcv_skb+0x130/0x360 [ 6083.274460][ T74] netlink_unicast+0x449/0x710 [ 6083.274460][ T74] netlink_sendmsg+0x723/0xbe0 [ 6083.274460][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6083.274460][ T74] ___sys_sendmsg+0xee/0x170 [ 6083.274460][ T74] __sys_sendmsg+0xcd/0x170 [ 6083.274460][ T74] do_syscall_64+0xc6/0x1e0 [ 6083.274460][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6083.274460][ T74] [ 6083.276011][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6083.276011][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6083.276011][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6083.276011][ T74] ipv6_find_idev+0x102/0x170 [ 6083.276011][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6083.276011][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6083.276011][ T74] netlink_rcv_skb+0x130/0x360 [ 6083.276011][ T74] netlink_unicast+0x449/0x710 [ 6083.276011][ T74] netlink_sendmsg+0x723/0xbe0 [ 6083.276011][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6083.276011][ T74] ___sys_sendmsg+0xee/0x170 [ 6083.276011][ T74] __sys_sendmsg+0xcd/0x170 [ 6083.276011][ T74] do_syscall_64+0xc6/0x1e0 [ 6083.276011][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6083.276011][ T74] [ 6083.277735][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6083.278029][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6083.278029][ T74] dst_init+0x84/0x4a0 [ 6083.278029][ T74] dst_alloc+0x97/0x150 [ 6083.278029][ T74] ip6_dst_alloc+0x23/0x90 [ 6083.278029][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6083.278029][ T74] ip6_pol_route+0x56f/0x840 [ 6083.278029][ T74] fib6_rule_lookup+0x456/0x630 [ 6083.278029][ T74] ip6_route_input+0x59c/0xa50 [ 6083.278029][ T74] ipv6_rcv+0x397/0x810 [ 6083.278029][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6083.278029][ T74] process_backlog+0x101/0x620 [ 6083.278029][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6083.278029][ T74] net_rx_action+0x495/0xbe0 [ 6083.278029][ T74] __do_softirq+0x1b5/0x7f6 [ 6083.278029][ T74] [ 6083.279688][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6083.279688][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6083.279688][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6083.279688][ T74] fib6_nh_init+0xa22/0x1580 [ 6083.279688][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6083.279688][ T74] ip6_route_add+0x1c/0x140 [ 6083.279688][ T74] inet6_rtm_newroute+0x104/0x110 [ 6083.279688][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6083.279688][ T74] netlink_rcv_skb+0x130/0x360 [ 6083.279688][ T74] netlink_unicast+0x449/0x710 [ 6083.279688][ T74] netlink_sendmsg+0x723/0xbe0 [ 6083.279688][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6083.279688][ T74] ___sys_sendmsg+0xee/0x170 [ 6083.279688][ T74] __sys_sendmsg+0xcd/0x170 [ 6083.279688][ T74] do_syscall_64+0xc6/0x1e0 [ 6083.279688][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6083.279688][ T74] [ 6083.281590][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6083.281590][ T74] netdev_get_by_index+0x5e/0x80 [ 6083.281590][ T74] fib6_nh_init+0x3d8/0x1580 [ 6083.281590][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6083.281590][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6083.281590][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6083.281590][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6083.281590][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6083.281590][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6083.281590][ T74] addrconf_dad_begin+0x310/0x670 [ 6083.281590][ T74] addrconf_dad_work+0x10b/0xab0 [ 6083.281590][ T74] process_one_work+0x84d/0x18a0 [ 6083.281590][ T74] worker_thread+0x587/0xd30 [ 6083.281590][ T74] kthread+0x28a/0x350 [ 6083.281590][ T74] ret_from_fork+0x31/0x70 [ 6083.281590][ T74] ret_from_fork_asm+0x1a/0x30 [ 6083.281590][ T74] [ 6083.283518][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6083.283518][ T74] netdev_get_by_index+0x5e/0x80 [ 6083.283518][ T74] fib6_nh_init+0x3d8/0x1580 [ 6083.283518][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6083.283518][ T74] ip6_route_add+0x1c/0x140 [ 6083.283518][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6083.283518][ T74] inet6_addr_add+0x4f8/0xa40 [ 6083.283518][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6083.283518][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6083.283518][ T74] netlink_rcv_skb+0x130/0x360 [ 6083.283518][ T74] netlink_unicast+0x449/0x710 [ 6083.283518][ T74] netlink_sendmsg+0x723/0xbe0 [ 6083.283518][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6083.283518][ T74] ___sys_sendmsg+0xee/0x170 [ 6083.283518][ T74] __sys_sendmsg+0xcd/0x170 [ 6083.283518][ T74] do_syscall_64+0xc6/0x1e0 [ 6083.283518][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6083.283518][ T74] [ 6083.285536][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6083.285536][ T74] netdev_get_by_index+0x5e/0x80 [ 6083.285536][ T74] fib6_nh_init+0x3d8/0x1580 [ 6083.285536][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6083.285536][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6083.285536][ T74] ipv6_add_addr+0x411/0x2000 [ 6083.285536][ T74] inet6_addr_add+0x30e/0xa40 [ 6083.285536][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6083.285536][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6083.285536][ T74] netlink_rcv_skb+0x130/0x360 [ 6083.285536][ T74] netlink_unicast+0x449/0x710 [ 6083.285536][ T74] netlink_sendmsg+0x723/0xbe0 [ 6083.285536][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6083.285536][ T74] ___sys_sendmsg+0xee/0x170 [ 6083.285536][ T74] __sys_sendmsg+0xcd/0x170 [ 6083.285536][ T74] do_syscall_64+0xc6/0x1e0 [ 6083.285536][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6083.285536][ T74] [ 6083.287546][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6083.287546][ T74] netdev_get_by_index+0x5e/0x80 [ 6083.287546][ T74] fib6_nh_init+0x3d8/0x1580 [ 6083.287546][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6083.287546][ T74] ip6_route_add+0x1c/0x140 [ 6083.287546][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6083.287546][ T74] addrconf_add_dev+0xe2/0x170 [ 6083.287546][ T74] inet6_addr_add+0x12f/0xa40 [ 6083.287546][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6083.287546][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6083.287546][ T74] netlink_rcv_skb+0x130/0x360 [ 6083.287546][ T74] netlink_unicast+0x449/0x710 [ 6083.287546][ T74] netlink_sendmsg+0x723/0xbe0 [ 6083.287546][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6083.287546][ T74] ___sys_sendmsg+0xee/0x170 [ 6083.287546][ T74] __sys_sendmsg+0xcd/0x170 [ 6083.287546][ T74] do_syscall_64+0xc6/0x1e0 [ 6083.287546][ T74] [ 6083.289523][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6083.289523][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6083.289523][ T74] ipv6_find_idev+0x102/0x170 [ 6083.289523][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6083.289523][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6083.289523][ T74] netlink_rcv_skb+0x130/0x360 [ 6083.289523][ T74] netlink_unicast+0x449/0x710 [ 6083.289523][ T74] netlink_sendmsg+0x723/0xbe0 [ 6083.289523][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6083.289523][ T74] ___sys_sendmsg+0xee/0x170 [ 6083.289523][ T74] __sys_sendmsg+0xcd/0x170 [ 6083.289523][ T74] do_syscall_64+0xc6/0x1e0 [ 6083.289523][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6083.289523][ T74] [ 6083.291206][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6083.291206][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6083.291206][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6083.291206][ T74] ipv6_find_idev+0x102/0x170 [ 6083.291206][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6083.291206][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6083.291206][ T74] netlink_rcv_skb+0x130/0x360 [ 6083.291206][ T74] netlink_unicast+0x449/0x710 [ 6083.291206][ T74] netlink_sendmsg+0x723/0xbe0 [ 6083.291206][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6083.291206][ T74] ___sys_sendmsg+0xee/0x170 [ 6083.291206][ T74] __sys_sendmsg+0xcd/0x170 [ 6083.291206][ T74] do_syscall_64+0xc6/0x1e0 [ 6083.291206][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6083.291206][ T74] [ 6083.293155][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6083.293473][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6083.293473][ T74] netdev_get_by_index+0x5e/0x80 [ 6083.293473][ T74] fib6_nh_init+0x3d8/0x1580 [ 6083.293473][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6083.293473][ T74] ip6_route_add+0x1c/0x140 [ 6083.293473][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6083.293473][ T74] inet6_addr_add+0x4f8/0xa40 [ 6083.293473][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6083.293473][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6083.293473][ T74] netlink_rcv_skb+0x130/0x360 [ 6083.293473][ T74] netlink_unicast+0x449/0x710 [ 6083.293473][ T74] netlink_sendmsg+0x723/0xbe0 [ 6083.293473][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6083.293473][ T74] ___sys_sendmsg+0xee/0x170 [ 6083.293473][ T74] __sys_sendmsg+0xcd/0x170 [ 6083.293473][ T74] do_syscall_64+0xc6/0x1e0 [ 6083.293473][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6083.293473][ T74] [ 6083.295675][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6083.295675][ T74] netdev_get_by_index+0x5e/0x80 [ 6083.295675][ T74] fib6_nh_init+0x3d8/0x1580 [ 6083.295675][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6083.295675][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6083.295675][ T74] ipv6_add_addr+0x411/0x2000 [ 6083.295675][ T74] inet6_addr_add+0x30e/0xa40 [ 6083.295675][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6083.295675][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6083.295675][ T74] netlink_rcv_skb+0x130/0x360 [ 6083.295675][ T74] netlink_unicast+0x449/0x710 [ 6083.295675][ T74] netlink_sendmsg+0x723/0xbe0 [ 6083.295675][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6083.295675][ T74] ___sys_sendmsg+0xee/0x170 [ 6083.295675][ T74] __sys_sendmsg+0xcd/0x170 [ 6083.295675][ T74] do_syscall_64+0xc6/0x1e0 [ 6083.295675][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6083.295675][ T74] [ 6083.297921][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6083.297921][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6083.297921][ T74] ipv6_find_idev+0x102/0x170 [ 6083.297921][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6083.297921][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6083.297921][ T74] netlink_rcv_skb+0x130/0x360 [ 6083.297921][ T74] netlink_unicast+0x449/0x710 [ 6083.297921][ T74] netlink_sendmsg+0x723/0xbe0 [ 6083.297921][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6083.297921][ T74] ___sys_sendmsg+0xee/0x170 [ 6083.297921][ T74] __sys_sendmsg+0xcd/0x170 [ 6083.297921][ T74] do_syscall_64+0xc6/0x1e0 [ 6083.297921][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6083.297921][ T74] [ 6083.299662][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6083.299662][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6083.299662][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6083.299662][ T74] ipv6_find_idev+0x102/0x170 [ 6083.299662][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6083.299662][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6083.299662][ T74] netlink_rcv_skb+0x130/0x360 [ 6083.299662][ T74] netlink_unicast+0x449/0x710 [ 6083.299662][ T74] netlink_sendmsg+0x723/0xbe0 [ 6083.299662][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6083.299662][ T74] ___sys_sendmsg+0xee/0x170 [ 6083.299662][ T74] __sys_sendmsg+0xcd/0x170 [ 6083.299662][ T74] do_syscall_64+0xc6/0x1e0 [ 6083.299662][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6083.299662][ T74] [ 6093.399974][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6093.400355][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6093.400355][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6093.400355][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6093.400355][ T74] fib6_nh_init+0xa22/0x1580 [ 6093.400355][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6093.400355][ T74] ip6_route_add+0x1c/0x140 [ 6093.400355][ T74] inet6_rtm_newroute+0x104/0x110 [ 6093.400355][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6093.400355][ T74] netlink_rcv_skb+0x130/0x360 [ 6093.400355][ T74] netlink_unicast+0x449/0x710 [ 6093.400355][ T74] netlink_sendmsg+0x723/0xbe0 [ 6093.400355][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6093.400355][ T74] ___sys_sendmsg+0xee/0x170 [ 6093.400355][ T74] __sys_sendmsg+0xcd/0x170 [ 6093.400355][ T74] do_syscall_64+0xc6/0x1e0 [ 6093.400355][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6093.400355][ T74] [ 6093.402271][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6093.402271][ T74] netdev_get_by_index+0x5e/0x80 [ 6093.402271][ T74] fib6_nh_init+0x3d8/0x1580 [ 6093.402271][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6093.402271][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6093.402271][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6093.402271][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6093.402271][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6093.402271][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6093.402271][ T74] addrconf_dad_begin+0x310/0x670 [ 6093.402271][ T74] addrconf_dad_work+0x10b/0xab0 [ 6093.402271][ T74] process_one_work+0x84d/0x18a0 [ 6093.402271][ T74] worker_thread+0x587/0xd30 [ 6093.402271][ T74] kthread+0x28a/0x350 [ 6093.402271][ T74] ret_from_fork+0x31/0x70 [ 6093.402271][ T74] ret_from_fork_asm+0x1a/0x30 [ 6093.402271][ T74] [ 6093.404193][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6093.404193][ T74] netdev_get_by_index+0x5e/0x80 [ 6093.404193][ T74] fib6_nh_init+0x3d8/0x1580 [ 6093.404193][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6093.404193][ T74] ip6_route_add+0x1c/0x140 [ 6093.404193][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6093.404193][ T74] inet6_addr_add+0x4f8/0xa40 [ 6093.404193][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6093.404193][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6093.404193][ T74] netlink_rcv_skb+0x130/0x360 [ 6093.404193][ T74] netlink_unicast+0x449/0x710 [ 6093.404193][ T74] netlink_sendmsg+0x723/0xbe0 [ 6093.404193][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6093.404193][ T74] ___sys_sendmsg+0xee/0x170 [ 6093.404193][ T74] __sys_sendmsg+0xcd/0x170 [ 6093.404193][ T74] do_syscall_64+0xc6/0x1e0 [ 6093.404193][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6093.404193][ T74] [ 6093.406207][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6093.406207][ T74] netdev_get_by_index+0x5e/0x80 [ 6093.406207][ T74] fib6_nh_init+0x3d8/0x1580 [ 6093.406207][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6093.406207][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6093.406207][ T74] ipv6_add_addr+0x411/0x2000 [ 6093.406207][ T74] inet6_addr_add+0x30e/0xa40 [ 6093.406207][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6093.406207][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6093.406207][ T74] netlink_rcv_skb+0x130/0x360 [ 6093.406207][ T74] netlink_unicast+0x449/0x710 [ 6093.406207][ T74] netlink_sendmsg+0x723/0xbe0 [ 6093.406207][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6093.406207][ T74] ___sys_sendmsg+0xee/0x170 [ 6093.406207][ T74] __sys_sendmsg+0xcd/0x170 [ 6093.406207][ T74] do_syscall_64+0xc6/0x1e0 [ 6093.406207][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6093.406207][ T74] [ 6093.408216][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6093.408216][ T74] netdev_get_by_index+0x5e/0x80 [ 6093.408216][ T74] fib6_nh_init+0x3d8/0x1580 [ 6093.408216][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6093.408216][ T74] ip6_route_add+0x1c/0x140 [ 6093.408216][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6093.408216][ T74] addrconf_add_dev+0xe2/0x170 [ 6093.408216][ T74] inet6_addr_add+0x12f/0xa40 [ 6093.408216][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6093.408216][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6093.408216][ T74] netlink_rcv_skb+0x130/0x360 [ 6093.408216][ T74] netlink_unicast+0x449/0x710 [ 6093.408216][ T74] netlink_sendmsg+0x723/0xbe0 [ 6093.408216][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6093.408216][ T74] ___sys_sendmsg+0xee/0x170 [ 6093.408216][ T74] __sys_sendmsg+0xcd/0x170 [ 6093.408216][ T74] do_syscall_64+0xc6/0x1e0 [ 6093.408216][ T74] [ 6093.410198][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6093.410198][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6093.410198][ T74] ipv6_find_idev+0x102/0x170 [ 6093.410198][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6093.410198][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6093.410198][ T74] netlink_rcv_skb+0x130/0x360 [ 6093.410198][ T74] netlink_unicast+0x449/0x710 [ 6093.410198][ T74] netlink_sendmsg+0x723/0xbe0 [ 6093.410198][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6093.410198][ T74] ___sys_sendmsg+0xee/0x170 [ 6093.410198][ T74] __sys_sendmsg+0xcd/0x170 [ 6093.410198][ T74] do_syscall_64+0xc6/0x1e0 [ 6093.410198][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6093.410198][ T74] [ 6093.411746][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6093.411746][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6093.411746][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6093.411746][ T74] ipv6_find_idev+0x102/0x170 [ 6093.411746][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6093.411746][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6093.411746][ T74] netlink_rcv_skb+0x130/0x360 [ 6093.411746][ T74] netlink_unicast+0x449/0x710 [ 6093.411746][ T74] netlink_sendmsg+0x723/0xbe0 [ 6093.411746][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6093.411746][ T74] ___sys_sendmsg+0xee/0x170 [ 6093.411746][ T74] __sys_sendmsg+0xcd/0x170 [ 6093.411746][ T74] do_syscall_64+0xc6/0x1e0 [ 6093.411746][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6093.411746][ T74] [ 6093.413451][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6093.413731][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6093.413731][ T74] dst_init+0x84/0x4a0 [ 6093.413731][ T74] dst_alloc+0x97/0x150 [ 6093.413731][ T74] ip6_dst_alloc+0x23/0x90 [ 6093.413731][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6093.413731][ T74] ip6_pol_route+0x56f/0x840 [ 6093.413731][ T74] fib6_rule_lookup+0x456/0x630 [ 6093.413731][ T74] ip6_route_input+0x59c/0xa50 [ 6093.413731][ T74] ipv6_rcv+0x397/0x810 [ 6093.413731][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6093.413731][ T74] process_backlog+0x101/0x620 [ 6093.413731][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6093.413731][ T74] net_rx_action+0x495/0xbe0 [ 6093.413731][ T74] __do_softirq+0x1b5/0x7f6 [ 6093.413731][ T74] [ 6093.415394][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6093.415394][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6093.415394][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6093.415394][ T74] fib6_nh_init+0xa22/0x1580 [ 6093.415394][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6093.415394][ T74] ip6_route_add+0x1c/0x140 [ 6093.415394][ T74] inet6_rtm_newroute+0x104/0x110 [ 6093.415394][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6093.415394][ T74] netlink_rcv_skb+0x130/0x360 [ 6093.415394][ T74] netlink_unicast+0x449/0x710 [ 6093.415394][ T74] netlink_sendmsg+0x723/0xbe0 [ 6093.415394][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6093.415394][ T74] ___sys_sendmsg+0xee/0x170 [ 6093.415394][ T74] __sys_sendmsg+0xcd/0x170 [ 6093.415394][ T74] do_syscall_64+0xc6/0x1e0 [ 6093.415394][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6093.415394][ T74] [ 6093.417390][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6093.417390][ T74] netdev_get_by_index+0x5e/0x80 [ 6093.417390][ T74] fib6_nh_init+0x3d8/0x1580 [ 6093.417390][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6093.417390][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6093.417390][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6093.417390][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6093.417390][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6093.417390][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6093.417390][ T74] addrconf_dad_begin+0x310/0x670 [ 6093.417390][ T74] addrconf_dad_work+0x10b/0xab0 [ 6093.417390][ T74] process_one_work+0x84d/0x18a0 [ 6093.417390][ T74] worker_thread+0x587/0xd30 [ 6093.417390][ T74] kthread+0x28a/0x350 [ 6093.417390][ T74] ret_from_fork+0x31/0x70 [ 6093.417390][ T74] ret_from_fork_asm+0x1a/0x30 [ 6093.417390][ T74] [ 6093.419316][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6093.419316][ T74] netdev_get_by_index+0x5e/0x80 [ 6093.419316][ T74] fib6_nh_init+0x3d8/0x1580 [ 6093.419316][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6093.419316][ T74] ip6_route_add+0x1c/0x140 [ 6093.419316][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6093.419316][ T74] inet6_addr_add+0x4f8/0xa40 [ 6093.419316][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6093.419316][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6093.419316][ T74] netlink_rcv_skb+0x130/0x360 [ 6093.419316][ T74] netlink_unicast+0x449/0x710 [ 6093.419316][ T74] netlink_sendmsg+0x723/0xbe0 [ 6093.419316][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6093.419316][ T74] ___sys_sendmsg+0xee/0x170 [ 6093.419316][ T74] __sys_sendmsg+0xcd/0x170 [ 6093.419316][ T74] do_syscall_64+0xc6/0x1e0 [ 6093.419316][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6093.419316][ T74] [ 6093.421358][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6093.421358][ T74] netdev_get_by_index+0x5e/0x80 [ 6093.421358][ T74] fib6_nh_init+0x3d8/0x1580 [ 6093.421358][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6093.421358][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6093.421358][ T74] ipv6_add_addr+0x411/0x2000 [ 6093.421358][ T74] inet6_addr_add+0x30e/0xa40 [ 6093.421358][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6093.421358][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6093.421358][ T74] netlink_rcv_skb+0x130/0x360 [ 6093.421358][ T74] netlink_unicast+0x449/0x710 [ 6093.421358][ T74] netlink_sendmsg+0x723/0xbe0 [ 6093.421358][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6093.421358][ T74] ___sys_sendmsg+0xee/0x170 [ 6093.421358][ T74] __sys_sendmsg+0xcd/0x170 [ 6093.421358][ T74] do_syscall_64+0xc6/0x1e0 [ 6093.421358][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6093.421358][ T74] [ 6093.423367][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6093.423367][ T74] netdev_get_by_index+0x5e/0x80 [ 6093.423367][ T74] fib6_nh_init+0x3d8/0x1580 [ 6093.423367][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6093.423367][ T74] ip6_route_add+0x1c/0x140 [ 6093.423367][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6093.423367][ T74] addrconf_add_dev+0xe2/0x170 [ 6093.423367][ T74] inet6_addr_add+0x12f/0xa40 [ 6093.423367][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6093.423367][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6093.423367][ T74] netlink_rcv_skb+0x130/0x360 [ 6093.423367][ T74] netlink_unicast+0x449/0x710 [ 6093.423367][ T74] netlink_sendmsg+0x723/0xbe0 [ 6093.423367][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6093.423367][ T74] ___sys_sendmsg+0xee/0x170 [ 6093.423367][ T74] __sys_sendmsg+0xcd/0x170 [ 6093.423367][ T74] do_syscall_64+0xc6/0x1e0 [ 6093.423367][ T74] [ 6093.425345][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6093.425345][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6093.425345][ T74] ipv6_find_idev+0x102/0x170 [ 6093.425345][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6093.425345][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6093.425345][ T74] netlink_rcv_skb+0x130/0x360 [ 6093.425345][ T74] netlink_unicast+0x449/0x710 [ 6093.425345][ T74] netlink_sendmsg+0x723/0xbe0 [ 6093.425345][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6093.425345][ T74] ___sys_sendmsg+0xee/0x170 [ 6093.425345][ T74] __sys_sendmsg+0xcd/0x170 [ 6093.425345][ T74] do_syscall_64+0xc6/0x1e0 [ 6093.425345][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6093.425345][ T74] [ 6093.427020][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6093.427020][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6093.427020][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6093.427020][ T74] ipv6_find_idev+0x102/0x170 [ 6093.427020][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6093.427020][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6093.427020][ T74] netlink_rcv_skb+0x130/0x360 [ 6093.427020][ T74] netlink_unicast+0x449/0x710 [ 6093.427020][ T74] netlink_sendmsg+0x723/0xbe0 [ 6093.427020][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6093.427020][ T74] ___sys_sendmsg+0xee/0x170 [ 6093.427020][ T74] __sys_sendmsg+0xcd/0x170 [ 6093.427020][ T74] do_syscall_64+0xc6/0x1e0 [ 6093.427020][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6093.427020][ T74] [ 6093.428963][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6093.429265][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6093.429265][ T74] netdev_get_by_index+0x5e/0x80 [ 6093.429265][ T74] fib6_nh_init+0x3d8/0x1580 [ 6093.429265][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6093.429265][ T74] ip6_route_add+0x1c/0x140 [ 6093.429265][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6093.429265][ T74] inet6_addr_add+0x4f8/0xa40 [ 6093.429265][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6093.429265][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6093.429265][ T74] netlink_rcv_skb+0x130/0x360 [ 6093.429265][ T74] netlink_unicast+0x449/0x710 [ 6093.429265][ T74] netlink_sendmsg+0x723/0xbe0 [ 6093.429265][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6093.429265][ T74] ___sys_sendmsg+0xee/0x170 [ 6093.429265][ T74] __sys_sendmsg+0xcd/0x170 [ 6093.429265][ T74] do_syscall_64+0xc6/0x1e0 [ 6093.429265][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6093.429265][ T74] [ 6093.431467][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6093.431467][ T74] netdev_get_by_index+0x5e/0x80 [ 6093.431467][ T74] fib6_nh_init+0x3d8/0x1580 [ 6093.431467][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6093.431467][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6093.431467][ T74] ipv6_add_addr+0x411/0x2000 [ 6093.431467][ T74] inet6_addr_add+0x30e/0xa40 [ 6093.431467][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6093.431467][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6093.431467][ T74] netlink_rcv_skb+0x130/0x360 [ 6093.431467][ T74] netlink_unicast+0x449/0x710 [ 6093.431467][ T74] netlink_sendmsg+0x723/0xbe0 [ 6093.431467][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6093.431467][ T74] ___sys_sendmsg+0xee/0x170 [ 6093.431467][ T74] __sys_sendmsg+0xcd/0x170 [ 6093.431467][ T74] do_syscall_64+0xc6/0x1e0 [ 6093.431467][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6093.431467][ T74] [ 6093.433720][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6093.433720][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6093.433720][ T74] ipv6_find_idev+0x102/0x170 [ 6093.433720][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6093.433720][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6093.433720][ T74] netlink_rcv_skb+0x130/0x360 [ 6093.433720][ T74] netlink_unicast+0x449/0x710 [ 6093.433720][ T74] netlink_sendmsg+0x723/0xbe0 [ 6093.433720][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6093.433720][ T74] ___sys_sendmsg+0xee/0x170 [ 6093.433720][ T74] __sys_sendmsg+0xcd/0x170 [ 6093.433720][ T74] do_syscall_64+0xc6/0x1e0 [ 6093.433720][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6093.433720][ T74] [ 6093.435450][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6093.435450][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6093.435450][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6093.435450][ T74] ipv6_find_idev+0x102/0x170 [ 6093.435450][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6093.435450][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6093.435450][ T74] netlink_rcv_skb+0x130/0x360 [ 6093.435450][ T74] netlink_unicast+0x449/0x710 [ 6093.435450][ T74] netlink_sendmsg+0x723/0xbe0 [ 6093.435450][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6093.435450][ T74] ___sys_sendmsg+0xee/0x170 [ 6093.435450][ T74] __sys_sendmsg+0xcd/0x170 [ 6093.435450][ T74] do_syscall_64+0xc6/0x1e0 [ 6093.435450][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6093.435450][ T74] [ 6103.680009][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6103.680377][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6103.680377][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6103.680377][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6103.680377][ T74] fib6_nh_init+0xa22/0x1580 [ 6103.680377][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6103.680377][ T74] ip6_route_add+0x1c/0x140 [ 6103.680377][ T74] inet6_rtm_newroute+0x104/0x110 [ 6103.680377][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6103.680377][ T74] netlink_rcv_skb+0x130/0x360 [ 6103.680377][ T74] netlink_unicast+0x449/0x710 [ 6103.680377][ T74] netlink_sendmsg+0x723/0xbe0 [ 6103.680377][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6103.680377][ T74] ___sys_sendmsg+0xee/0x170 [ 6103.680377][ T74] __sys_sendmsg+0xcd/0x170 [ 6103.680377][ T74] do_syscall_64+0xc6/0x1e0 [ 6103.680377][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6103.680377][ T74] [ 6103.682301][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6103.682301][ T74] netdev_get_by_index+0x5e/0x80 [ 6103.682301][ T74] fib6_nh_init+0x3d8/0x1580 [ 6103.682301][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6103.682301][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6103.682301][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6103.682301][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6103.682301][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6103.682301][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6103.682301][ T74] addrconf_dad_begin+0x310/0x670 [ 6103.682301][ T74] addrconf_dad_work+0x10b/0xab0 [ 6103.682301][ T74] process_one_work+0x84d/0x18a0 [ 6103.682301][ T74] worker_thread+0x587/0xd30 [ 6103.682301][ T74] kthread+0x28a/0x350 [ 6103.682301][ T74] ret_from_fork+0x31/0x70 [ 6103.682301][ T74] ret_from_fork_asm+0x1a/0x30 [ 6103.682301][ T74] [ 6103.684244][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6103.684244][ T74] netdev_get_by_index+0x5e/0x80 [ 6103.684244][ T74] fib6_nh_init+0x3d8/0x1580 [ 6103.684244][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6103.684244][ T74] ip6_route_add+0x1c/0x140 [ 6103.684244][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6103.684244][ T74] inet6_addr_add+0x4f8/0xa40 [ 6103.684244][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6103.684244][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6103.684244][ T74] netlink_rcv_skb+0x130/0x360 [ 6103.684244][ T74] netlink_unicast+0x449/0x710 [ 6103.684244][ T74] netlink_sendmsg+0x723/0xbe0 [ 6103.684244][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6103.684244][ T74] ___sys_sendmsg+0xee/0x170 [ 6103.684244][ T74] __sys_sendmsg+0xcd/0x170 [ 6103.684244][ T74] do_syscall_64+0xc6/0x1e0 [ 6103.684244][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6103.684244][ T74] [ 6103.686348][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6103.686348][ T74] netdev_get_by_index+0x5e/0x80 [ 6103.686348][ T74] fib6_nh_init+0x3d8/0x1580 [ 6103.686348][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6103.686348][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6103.686348][ T74] ipv6_add_addr+0x411/0x2000 [ 6103.686348][ T74] inet6_addr_add+0x30e/0xa40 [ 6103.686348][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6103.686348][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6103.686348][ T74] netlink_rcv_skb+0x130/0x360 [ 6103.686348][ T74] netlink_unicast+0x449/0x710 [ 6103.686348][ T74] netlink_sendmsg+0x723/0xbe0 [ 6103.686348][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6103.686348][ T74] ___sys_sendmsg+0xee/0x170 [ 6103.686348][ T74] __sys_sendmsg+0xcd/0x170 [ 6103.686348][ T74] do_syscall_64+0xc6/0x1e0 [ 6103.686348][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6103.686348][ T74] [ 6103.688395][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6103.688395][ T74] netdev_get_by_index+0x5e/0x80 [ 6103.688395][ T74] fib6_nh_init+0x3d8/0x1580 [ 6103.688395][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6103.688395][ T74] ip6_route_add+0x1c/0x140 [ 6103.688395][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6103.688395][ T74] addrconf_add_dev+0xe2/0x170 [ 6103.688395][ T74] inet6_addr_add+0x12f/0xa40 [ 6103.688395][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6103.688395][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6103.688395][ T74] netlink_rcv_skb+0x130/0x360 [ 6103.688395][ T74] netlink_unicast+0x449/0x710 [ 6103.688395][ T74] netlink_sendmsg+0x723/0xbe0 [ 6103.688395][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6103.688395][ T74] ___sys_sendmsg+0xee/0x170 [ 6103.688395][ T74] __sys_sendmsg+0xcd/0x170 [ 6103.688395][ T74] do_syscall_64+0xc6/0x1e0 [ 6103.688395][ T74] [ 6103.690391][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6103.690391][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6103.690391][ T74] ipv6_find_idev+0x102/0x170 [ 6103.690391][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6103.690391][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6103.690391][ T74] netlink_rcv_skb+0x130/0x360 [ 6103.690391][ T74] netlink_unicast+0x449/0x710 [ 6103.690391][ T74] netlink_sendmsg+0x723/0xbe0 [ 6103.690391][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6103.690391][ T74] ___sys_sendmsg+0xee/0x170 [ 6103.690391][ T74] __sys_sendmsg+0xcd/0x170 [ 6103.690391][ T74] do_syscall_64+0xc6/0x1e0 [ 6103.690391][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6103.690391][ T74] [ 6103.691945][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6103.691945][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6103.691945][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6103.691945][ T74] ipv6_find_idev+0x102/0x170 [ 6103.691945][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6103.691945][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6103.691945][ T74] netlink_rcv_skb+0x130/0x360 [ 6103.691945][ T74] netlink_unicast+0x449/0x710 [ 6103.691945][ T74] netlink_sendmsg+0x723/0xbe0 [ 6103.691945][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6103.691945][ T74] ___sys_sendmsg+0xee/0x170 [ 6103.691945][ T74] __sys_sendmsg+0xcd/0x170 [ 6103.691945][ T74] do_syscall_64+0xc6/0x1e0 [ 6103.691945][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6103.691945][ T74] [ 6103.693655][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6103.693953][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6103.693953][ T74] dst_init+0x84/0x4a0 [ 6103.693953][ T74] dst_alloc+0x97/0x150 [ 6103.693953][ T74] ip6_dst_alloc+0x23/0x90 [ 6103.693953][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6103.693953][ T74] ip6_pol_route+0x56f/0x840 [ 6103.693953][ T74] fib6_rule_lookup+0x456/0x630 [ 6103.693953][ T74] ip6_route_input+0x59c/0xa50 [ 6103.693953][ T74] ipv6_rcv+0x397/0x810 [ 6103.693953][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6103.693953][ T74] process_backlog+0x101/0x620 [ 6103.693953][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6103.693953][ T74] net_rx_action+0x495/0xbe0 [ 6103.693953][ T74] __do_softirq+0x1b5/0x7f6 [ 6103.693953][ T74] [ 6103.695601][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6103.695601][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6103.695601][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6103.695601][ T74] fib6_nh_init+0xa22/0x1580 [ 6103.695601][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6103.695601][ T74] ip6_route_add+0x1c/0x140 [ 6103.695601][ T74] inet6_rtm_newroute+0x104/0x110 [ 6103.695601][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6103.695601][ T74] netlink_rcv_skb+0x130/0x360 [ 6103.695601][ T74] netlink_unicast+0x449/0x710 [ 6103.695601][ T74] netlink_sendmsg+0x723/0xbe0 [ 6103.695601][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6103.695601][ T74] ___sys_sendmsg+0xee/0x170 [ 6103.695601][ T74] __sys_sendmsg+0xcd/0x170 [ 6103.695601][ T74] do_syscall_64+0xc6/0x1e0 [ 6103.695601][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6103.695601][ T74] [ 6103.697500][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6103.697500][ T74] netdev_get_by_index+0x5e/0x80 [ 6103.697500][ T74] fib6_nh_init+0x3d8/0x1580 [ 6103.697500][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6103.697500][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6103.697500][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6103.697500][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6103.697500][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6103.697500][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6103.697500][ T74] addrconf_dad_begin+0x310/0x670 [ 6103.697500][ T74] addrconf_dad_work+0x10b/0xab0 [ 6103.697500][ T74] process_one_work+0x84d/0x18a0 [ 6103.697500][ T74] worker_thread+0x587/0xd30 [ 6103.697500][ T74] kthread+0x28a/0x350 [ 6103.697500][ T74] ret_from_fork+0x31/0x70 [ 6103.697500][ T74] ret_from_fork_asm+0x1a/0x30 [ 6103.697500][ T74] [ 6103.699427][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6103.699427][ T74] netdev_get_by_index+0x5e/0x80 [ 6103.699427][ T74] fib6_nh_init+0x3d8/0x1580 [ 6103.699427][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6103.699427][ T74] ip6_route_add+0x1c/0x140 [ 6103.699427][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6103.699427][ T74] inet6_addr_add+0x4f8/0xa40 [ 6103.699427][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6103.699427][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6103.699427][ T74] netlink_rcv_skb+0x130/0x360 [ 6103.699427][ T74] netlink_unicast+0x449/0x710 [ 6103.699427][ T74] netlink_sendmsg+0x723/0xbe0 [ 6103.699427][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6103.699427][ T74] ___sys_sendmsg+0xee/0x170 [ 6103.699427][ T74] __sys_sendmsg+0xcd/0x170 [ 6103.699427][ T74] do_syscall_64+0xc6/0x1e0 [ 6103.699427][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6103.699427][ T74] [ 6103.701442][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6103.701442][ T74] netdev_get_by_index+0x5e/0x80 [ 6103.701442][ T74] fib6_nh_init+0x3d8/0x1580 [ 6103.701442][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6103.701442][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6103.701442][ T74] ipv6_add_addr+0x411/0x2000 [ 6103.701442][ T74] inet6_addr_add+0x30e/0xa40 [ 6103.701442][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6103.701442][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6103.701442][ T74] netlink_rcv_skb+0x130/0x360 [ 6103.701442][ T74] netlink_unicast+0x449/0x710 [ 6103.701442][ T74] netlink_sendmsg+0x723/0xbe0 [ 6103.701442][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6103.701442][ T74] ___sys_sendmsg+0xee/0x170 [ 6103.701442][ T74] __sys_sendmsg+0xcd/0x170 [ 6103.701442][ T74] do_syscall_64+0xc6/0x1e0 [ 6103.701442][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6103.701442][ T74] [ 6103.703483][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6103.703483][ T74] netdev_get_by_index+0x5e/0x80 [ 6103.703483][ T74] fib6_nh_init+0x3d8/0x1580 [ 6103.703483][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6103.703483][ T74] ip6_route_add+0x1c/0x140 [ 6103.703483][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6103.703483][ T74] addrconf_add_dev+0xe2/0x170 [ 6103.703483][ T74] inet6_addr_add+0x12f/0xa40 [ 6103.703483][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6103.703483][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6103.703483][ T74] netlink_rcv_skb+0x130/0x360 [ 6103.703483][ T74] netlink_unicast+0x449/0x710 [ 6103.703483][ T74] netlink_sendmsg+0x723/0xbe0 [ 6103.703483][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6103.703483][ T74] ___sys_sendmsg+0xee/0x170 [ 6103.703483][ T74] __sys_sendmsg+0xcd/0x170 [ 6103.703483][ T74] do_syscall_64+0xc6/0x1e0 [ 6103.703483][ T74] [ 6103.705465][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6103.705465][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6103.705465][ T74] ipv6_find_idev+0x102/0x170 [ 6103.705465][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6103.705465][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6103.705465][ T74] netlink_rcv_skb+0x130/0x360 [ 6103.705465][ T74] netlink_unicast+0x449/0x710 [ 6103.705465][ T74] netlink_sendmsg+0x723/0xbe0 [ 6103.705465][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6103.705465][ T74] ___sys_sendmsg+0xee/0x170 [ 6103.705465][ T74] __sys_sendmsg+0xcd/0x170 [ 6103.705465][ T74] do_syscall_64+0xc6/0x1e0 [ 6103.705465][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6103.705465][ T74] [ 6103.707206][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6103.707206][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6103.707206][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6103.707206][ T74] ipv6_find_idev+0x102/0x170 [ 6103.707206][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6103.707206][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6103.707206][ T74] netlink_rcv_skb+0x130/0x360 [ 6103.707206][ T74] netlink_unicast+0x449/0x710 [ 6103.707206][ T74] netlink_sendmsg+0x723/0xbe0 [ 6103.707206][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6103.707206][ T74] ___sys_sendmsg+0xee/0x170 [ 6103.707206][ T74] __sys_sendmsg+0xcd/0x170 [ 6103.707206][ T74] do_syscall_64+0xc6/0x1e0 [ 6103.707206][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6103.707206][ T74] [ 6103.709172][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6103.709473][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6103.709473][ T74] netdev_get_by_index+0x5e/0x80 [ 6103.709473][ T74] fib6_nh_init+0x3d8/0x1580 [ 6103.709473][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6103.709473][ T74] ip6_route_add+0x1c/0x140 [ 6103.709473][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6103.709473][ T74] inet6_addr_add+0x4f8/0xa40 [ 6103.709473][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6103.709473][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6103.709473][ T74] netlink_rcv_skb+0x130/0x360 [ 6103.709473][ T74] netlink_unicast+0x449/0x710 [ 6103.709473][ T74] netlink_sendmsg+0x723/0xbe0 [ 6103.709473][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6103.709473][ T74] ___sys_sendmsg+0xee/0x170 [ 6103.709473][ T74] __sys_sendmsg+0xcd/0x170 [ 6103.709473][ T74] do_syscall_64+0xc6/0x1e0 [ 6103.709473][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6103.709473][ T74] [ 6103.711677][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6103.711677][ T74] netdev_get_by_index+0x5e/0x80 [ 6103.711677][ T74] fib6_nh_init+0x3d8/0x1580 [ 6103.711677][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6103.711677][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6103.711677][ T74] ipv6_add_addr+0x411/0x2000 [ 6103.711677][ T74] inet6_addr_add+0x30e/0xa40 [ 6103.711677][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6103.711677][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6103.711677][ T74] netlink_rcv_skb+0x130/0x360 [ 6103.711677][ T74] netlink_unicast+0x449/0x710 [ 6103.711677][ T74] netlink_sendmsg+0x723/0xbe0 [ 6103.711677][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6103.711677][ T74] ___sys_sendmsg+0xee/0x170 [ 6103.711677][ T74] __sys_sendmsg+0xcd/0x170 [ 6103.711677][ T74] do_syscall_64+0xc6/0x1e0 [ 6103.711677][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6103.711677][ T74] [ 6103.713927][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6103.713927][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6103.713927][ T74] ipv6_find_idev+0x102/0x170 [ 6103.713927][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6103.713927][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6103.713927][ T74] netlink_rcv_skb+0x130/0x360 [ 6103.713927][ T74] netlink_unicast+0x449/0x710 [ 6103.713927][ T74] netlink_sendmsg+0x723/0xbe0 [ 6103.713927][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6103.713927][ T74] ___sys_sendmsg+0xee/0x170 [ 6103.713927][ T74] __sys_sendmsg+0xcd/0x170 [ 6103.713927][ T74] do_syscall_64+0xc6/0x1e0 [ 6103.713927][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6103.713927][ T74] [ 6103.715660][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6103.715660][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6103.715660][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6103.715660][ T74] ipv6_find_idev+0x102/0x170 [ 6103.715660][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6103.715660][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6103.715660][ T74] netlink_rcv_skb+0x130/0x360 [ 6103.715660][ T74] netlink_unicast+0x449/0x710 [ 6103.715660][ T74] netlink_sendmsg+0x723/0xbe0 [ 6103.715660][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6103.715660][ T74] ___sys_sendmsg+0xee/0x170 [ 6103.715660][ T74] __sys_sendmsg+0xcd/0x170 [ 6103.715660][ T74] do_syscall_64+0xc6/0x1e0 [ 6103.715660][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6103.715660][ T74] [ 6113.959959][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6113.960337][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6113.960337][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6113.960337][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6113.960337][ T74] fib6_nh_init+0xa22/0x1580 [ 6113.960337][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6113.960337][ T74] ip6_route_add+0x1c/0x140 [ 6113.960337][ T74] inet6_rtm_newroute+0x104/0x110 [ 6113.960337][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6113.960337][ T74] netlink_rcv_skb+0x130/0x360 [ 6113.960337][ T74] netlink_unicast+0x449/0x710 [ 6113.960337][ T74] netlink_sendmsg+0x723/0xbe0 [ 6113.960337][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6113.960337][ T74] ___sys_sendmsg+0xee/0x170 [ 6113.960337][ T74] __sys_sendmsg+0xcd/0x170 [ 6113.960337][ T74] do_syscall_64+0xc6/0x1e0 [ 6113.960337][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6113.960337][ T74] [ 6113.962244][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6113.962244][ T74] netdev_get_by_index+0x5e/0x80 [ 6113.962244][ T74] fib6_nh_init+0x3d8/0x1580 [ 6113.962244][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6113.962244][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6113.962244][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6113.962244][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6113.962244][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6113.962244][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6113.962244][ T74] addrconf_dad_begin+0x310/0x670 [ 6113.962244][ T74] addrconf_dad_work+0x10b/0xab0 [ 6113.962244][ T74] process_one_work+0x84d/0x18a0 [ 6113.962244][ T74] worker_thread+0x587/0xd30 [ 6113.962244][ T74] kthread+0x28a/0x350 [ 6113.962244][ T74] ret_from_fork+0x31/0x70 [ 6113.962244][ T74] ret_from_fork_asm+0x1a/0x30 [ 6113.962244][ T74] [ 6113.964177][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6113.964177][ T74] netdev_get_by_index+0x5e/0x80 [ 6113.964177][ T74] fib6_nh_init+0x3d8/0x1580 [ 6113.964177][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6113.964177][ T74] ip6_route_add+0x1c/0x140 [ 6113.964177][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6113.964177][ T74] inet6_addr_add+0x4f8/0xa40 [ 6113.964177][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6113.964177][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6113.964177][ T74] netlink_rcv_skb+0x130/0x360 [ 6113.964177][ T74] netlink_unicast+0x449/0x710 [ 6113.964177][ T74] netlink_sendmsg+0x723/0xbe0 [ 6113.964177][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6113.964177][ T74] ___sys_sendmsg+0xee/0x170 [ 6113.964177][ T74] __sys_sendmsg+0xcd/0x170 [ 6113.964177][ T74] do_syscall_64+0xc6/0x1e0 [ 6113.964177][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6113.964177][ T74] [ 6113.966194][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6113.966194][ T74] netdev_get_by_index+0x5e/0x80 [ 6113.966194][ T74] fib6_nh_init+0x3d8/0x1580 [ 6113.966194][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6113.966194][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6113.966194][ T74] ipv6_add_addr+0x411/0x2000 [ 6113.966194][ T74] inet6_addr_add+0x30e/0xa40 [ 6113.966194][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6113.966194][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6113.966194][ T74] netlink_rcv_skb+0x130/0x360 [ 6113.966194][ T74] netlink_unicast+0x449/0x710 [ 6113.966194][ T74] netlink_sendmsg+0x723/0xbe0 [ 6113.966194][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6113.966194][ T74] ___sys_sendmsg+0xee/0x170 [ 6113.966194][ T74] __sys_sendmsg+0xcd/0x170 [ 6113.966194][ T74] do_syscall_64+0xc6/0x1e0 [ 6113.966194][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6113.966194][ T74] [ 6113.968211][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6113.968211][ T74] netdev_get_by_index+0x5e/0x80 [ 6113.968211][ T74] fib6_nh_init+0x3d8/0x1580 [ 6113.968211][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6113.968211][ T74] ip6_route_add+0x1c/0x140 [ 6113.968211][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6113.968211][ T74] addrconf_add_dev+0xe2/0x170 [ 6113.968211][ T74] inet6_addr_add+0x12f/0xa40 [ 6113.968211][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6113.968211][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6113.968211][ T74] netlink_rcv_skb+0x130/0x360 [ 6113.968211][ T74] netlink_unicast+0x449/0x710 [ 6113.968211][ T74] netlink_sendmsg+0x723/0xbe0 [ 6113.968211][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6113.968211][ T74] ___sys_sendmsg+0xee/0x170 [ 6113.968211][ T74] __sys_sendmsg+0xcd/0x170 [ 6113.968211][ T74] do_syscall_64+0xc6/0x1e0 [ 6113.968211][ T74] [ 6113.970206][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6113.970206][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6113.970206][ T74] ipv6_find_idev+0x102/0x170 [ 6113.970206][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6113.970206][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6113.970206][ T74] netlink_rcv_skb+0x130/0x360 [ 6113.970206][ T74] netlink_unicast+0x449/0x710 [ 6113.970206][ T74] netlink_sendmsg+0x723/0xbe0 [ 6113.970206][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6113.970206][ T74] ___sys_sendmsg+0xee/0x170 [ 6113.970206][ T74] __sys_sendmsg+0xcd/0x170 [ 6113.970206][ T74] do_syscall_64+0xc6/0x1e0 [ 6113.970206][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6113.970206][ T74] [ 6113.971757][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6113.971757][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6113.971757][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6113.971757][ T74] ipv6_find_idev+0x102/0x170 [ 6113.971757][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6113.971757][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6113.971757][ T74] netlink_rcv_skb+0x130/0x360 [ 6113.971757][ T74] netlink_unicast+0x449/0x710 [ 6113.971757][ T74] netlink_sendmsg+0x723/0xbe0 [ 6113.971757][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6113.971757][ T74] ___sys_sendmsg+0xee/0x170 [ 6113.971757][ T74] __sys_sendmsg+0xcd/0x170 [ 6113.971757][ T74] do_syscall_64+0xc6/0x1e0 [ 6113.971757][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6113.971757][ T74] [ 6113.973467][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6113.973743][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6113.973743][ T74] dst_init+0x84/0x4a0 [ 6113.973743][ T74] dst_alloc+0x97/0x150 [ 6113.973743][ T74] ip6_dst_alloc+0x23/0x90 [ 6113.973743][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6113.973743][ T74] ip6_pol_route+0x56f/0x840 [ 6113.973743][ T74] fib6_rule_lookup+0x456/0x630 [ 6113.973743][ T74] ip6_route_input+0x59c/0xa50 [ 6113.973743][ T74] ipv6_rcv+0x397/0x810 [ 6113.973743][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6113.973743][ T74] process_backlog+0x101/0x620 [ 6113.973743][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6113.973743][ T74] net_rx_action+0x495/0xbe0 [ 6113.973743][ T74] __do_softirq+0x1b5/0x7f6 [ 6113.973743][ T74] [ 6113.975407][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6113.975407][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6113.975407][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6113.975407][ T74] fib6_nh_init+0xa22/0x1580 [ 6113.975407][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6113.975407][ T74] ip6_route_add+0x1c/0x140 [ 6113.975407][ T74] inet6_rtm_newroute+0x104/0x110 [ 6113.975407][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6113.975407][ T74] netlink_rcv_skb+0x130/0x360 [ 6113.975407][ T74] netlink_unicast+0x449/0x710 [ 6113.975407][ T74] netlink_sendmsg+0x723/0xbe0 [ 6113.975407][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6113.975407][ T74] ___sys_sendmsg+0xee/0x170 [ 6113.975407][ T74] __sys_sendmsg+0xcd/0x170 [ 6113.975407][ T74] do_syscall_64+0xc6/0x1e0 [ 6113.975407][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6113.975407][ T74] [ 6113.977297][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6113.977297][ T74] netdev_get_by_index+0x5e/0x80 [ 6113.977297][ T74] fib6_nh_init+0x3d8/0x1580 [ 6113.977297][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6113.977297][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6113.977297][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6113.977297][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6113.977297][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6113.977297][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6113.977297][ T74] addrconf_dad_begin+0x310/0x670 [ 6113.977297][ T74] addrconf_dad_work+0x10b/0xab0 [ 6113.977297][ T74] process_one_work+0x84d/0x18a0 [ 6113.977297][ T74] worker_thread+0x587/0xd30 [ 6113.977297][ T74] kthread+0x28a/0x350 [ 6113.977297][ T74] ret_from_fork+0x31/0x70 [ 6113.977297][ T74] ret_from_fork_asm+0x1a/0x30 [ 6113.977297][ T74] [ 6113.979232][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6113.979232][ T74] netdev_get_by_index+0x5e/0x80 [ 6113.979232][ T74] fib6_nh_init+0x3d8/0x1580 [ 6113.979232][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6113.979232][ T74] ip6_route_add+0x1c/0x140 [ 6113.979232][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6113.979232][ T74] inet6_addr_add+0x4f8/0xa40 [ 6113.979232][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6113.979232][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6113.979232][ T74] netlink_rcv_skb+0x130/0x360 [ 6113.979232][ T74] netlink_unicast+0x449/0x710 [ 6113.979232][ T74] netlink_sendmsg+0x723/0xbe0 [ 6113.979232][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6113.979232][ T74] ___sys_sendmsg+0xee/0x170 [ 6113.979232][ T74] __sys_sendmsg+0xcd/0x170 [ 6113.979232][ T74] do_syscall_64+0xc6/0x1e0 [ 6113.979232][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6113.979232][ T74] [ 6113.981252][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6113.981252][ T74] netdev_get_by_index+0x5e/0x80 [ 6113.981252][ T74] fib6_nh_init+0x3d8/0x1580 [ 6113.981252][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6113.981252][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6113.981252][ T74] ipv6_add_addr+0x411/0x2000 [ 6113.981252][ T74] inet6_addr_add+0x30e/0xa40 [ 6113.981252][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6113.981252][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6113.981252][ T74] netlink_rcv_skb+0x130/0x360 [ 6113.981252][ T74] netlink_unicast+0x449/0x710 [ 6113.981252][ T74] netlink_sendmsg+0x723/0xbe0 [ 6113.981252][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6113.981252][ T74] ___sys_sendmsg+0xee/0x170 [ 6113.981252][ T74] __sys_sendmsg+0xcd/0x170 [ 6113.981252][ T74] do_syscall_64+0xc6/0x1e0 [ 6113.981252][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6113.981252][ T74] [ 6113.983278][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6113.983278][ T74] netdev_get_by_index+0x5e/0x80 [ 6113.983278][ T74] fib6_nh_init+0x3d8/0x1580 [ 6113.983278][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6113.983278][ T74] ip6_route_add+0x1c/0x140 [ 6113.983278][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6113.983278][ T74] addrconf_add_dev+0xe2/0x170 [ 6113.983278][ T74] inet6_addr_add+0x12f/0xa40 [ 6113.983278][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6113.983278][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6113.983278][ T74] netlink_rcv_skb+0x130/0x360 [ 6113.983278][ T74] netlink_unicast+0x449/0x710 [ 6113.983278][ T74] netlink_sendmsg+0x723/0xbe0 [ 6113.983278][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6113.983278][ T74] ___sys_sendmsg+0xee/0x170 [ 6113.983278][ T74] __sys_sendmsg+0xcd/0x170 [ 6113.983278][ T74] do_syscall_64+0xc6/0x1e0 [ 6113.983278][ T74] [ 6113.985260][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6113.985260][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6113.985260][ T74] ipv6_find_idev+0x102/0x170 [ 6113.985260][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6113.985260][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6113.985260][ T74] netlink_rcv_skb+0x130/0x360 [ 6113.985260][ T74] netlink_unicast+0x449/0x710 [ 6113.985260][ T74] netlink_sendmsg+0x723/0xbe0 [ 6113.985260][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6113.985260][ T74] ___sys_sendmsg+0xee/0x170 [ 6113.985260][ T74] __sys_sendmsg+0xcd/0x170 [ 6113.985260][ T74] do_syscall_64+0xc6/0x1e0 [ 6113.985260][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6113.985260][ T74] [ 6113.986934][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6113.986934][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6113.986934][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6113.986934][ T74] ipv6_find_idev+0x102/0x170 [ 6113.986934][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6113.986934][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6113.986934][ T74] netlink_rcv_skb+0x130/0x360 [ 6113.986934][ T74] netlink_unicast+0x449/0x710 [ 6113.986934][ T74] netlink_sendmsg+0x723/0xbe0 [ 6113.986934][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6113.986934][ T74] ___sys_sendmsg+0xee/0x170 [ 6113.986934][ T74] __sys_sendmsg+0xcd/0x170 [ 6113.986934][ T74] do_syscall_64+0xc6/0x1e0 [ 6113.986934][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6113.986934][ T74] [ 6113.988880][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6113.989183][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6113.989183][ T74] netdev_get_by_index+0x5e/0x80 [ 6113.989183][ T74] fib6_nh_init+0x3d8/0x1580 [ 6113.989183][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6113.989183][ T74] ip6_route_add+0x1c/0x140 [ 6113.989183][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6113.989183][ T74] inet6_addr_add+0x4f8/0xa40 [ 6113.989183][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6113.989183][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6113.989183][ T74] netlink_rcv_skb+0x130/0x360 [ 6113.989183][ T74] netlink_unicast+0x449/0x710 [ 6113.989183][ T74] netlink_sendmsg+0x723/0xbe0 [ 6113.989183][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6113.989183][ T74] ___sys_sendmsg+0xee/0x170 [ 6113.989183][ T74] __sys_sendmsg+0xcd/0x170 [ 6113.989183][ T74] do_syscall_64+0xc6/0x1e0 [ 6113.989183][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6113.989183][ T74] [ 6113.991388][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6113.991388][ T74] netdev_get_by_index+0x5e/0x80 [ 6113.991388][ T74] fib6_nh_init+0x3d8/0x1580 [ 6113.991388][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6113.991388][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6113.991388][ T74] ipv6_add_addr+0x411/0x2000 [ 6113.991388][ T74] inet6_addr_add+0x30e/0xa40 [ 6113.991388][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6113.991388][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6113.991388][ T74] netlink_rcv_skb+0x130/0x360 [ 6113.991388][ T74] netlink_unicast+0x449/0x710 [ 6113.991388][ T74] netlink_sendmsg+0x723/0xbe0 [ 6113.991388][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6113.991388][ T74] ___sys_sendmsg+0xee/0x170 [ 6113.991388][ T74] __sys_sendmsg+0xcd/0x170 [ 6113.991388][ T74] do_syscall_64+0xc6/0x1e0 [ 6113.991388][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6113.991388][ T74] [ 6113.993637][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6113.993637][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6113.993637][ T74] ipv6_find_idev+0x102/0x170 [ 6113.993637][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6113.993637][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6113.993637][ T74] netlink_rcv_skb+0x130/0x360 [ 6113.993637][ T74] netlink_unicast+0x449/0x710 [ 6113.993637][ T74] netlink_sendmsg+0x723/0xbe0 [ 6113.993637][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6113.993637][ T74] ___sys_sendmsg+0xee/0x170 [ 6113.993637][ T74] __sys_sendmsg+0xcd/0x170 [ 6113.993637][ T74] do_syscall_64+0xc6/0x1e0 [ 6113.993637][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6113.993637][ T74] [ 6113.995375][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6113.995375][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6113.995375][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6113.995375][ T74] ipv6_find_idev+0x102/0x170 [ 6113.995375][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6113.995375][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6113.995375][ T74] netlink_rcv_skb+0x130/0x360 [ 6113.995375][ T74] netlink_unicast+0x449/0x710 [ 6113.995375][ T74] netlink_sendmsg+0x723/0xbe0 [ 6113.995375][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6113.995375][ T74] ___sys_sendmsg+0xee/0x170 [ 6113.995375][ T74] __sys_sendmsg+0xcd/0x170 [ 6113.995375][ T74] do_syscall_64+0xc6/0x1e0 [ 6113.995375][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6113.995375][ T74] [ 6124.239953][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6124.240338][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6124.240338][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6124.240338][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6124.240338][ T74] fib6_nh_init+0xa22/0x1580 [ 6124.240338][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6124.240338][ T74] ip6_route_add+0x1c/0x140 [ 6124.240338][ T74] inet6_rtm_newroute+0x104/0x110 [ 6124.240338][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6124.240338][ T74] netlink_rcv_skb+0x130/0x360 [ 6124.240338][ T74] netlink_unicast+0x449/0x710 [ 6124.240338][ T74] netlink_sendmsg+0x723/0xbe0 [ 6124.240338][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6124.240338][ T74] ___sys_sendmsg+0xee/0x170 [ 6124.240338][ T74] __sys_sendmsg+0xcd/0x170 [ 6124.240338][ T74] do_syscall_64+0xc6/0x1e0 [ 6124.240338][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6124.240338][ T74] [ 6124.242256][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6124.242256][ T74] netdev_get_by_index+0x5e/0x80 [ 6124.242256][ T74] fib6_nh_init+0x3d8/0x1580 [ 6124.242256][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6124.242256][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6124.242256][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6124.242256][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6124.242256][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6124.242256][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6124.242256][ T74] addrconf_dad_begin+0x310/0x670 [ 6124.242256][ T74] addrconf_dad_work+0x10b/0xab0 [ 6124.242256][ T74] process_one_work+0x84d/0x18a0 [ 6124.242256][ T74] worker_thread+0x587/0xd30 [ 6124.242256][ T74] kthread+0x28a/0x350 [ 6124.242256][ T74] ret_from_fork+0x31/0x70 [ 6124.242256][ T74] ret_from_fork_asm+0x1a/0x30 [ 6124.242256][ T74] [ 6124.244220][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6124.244220][ T74] netdev_get_by_index+0x5e/0x80 [ 6124.244220][ T74] fib6_nh_init+0x3d8/0x1580 [ 6124.244220][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6124.244220][ T74] ip6_route_add+0x1c/0x140 [ 6124.244220][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6124.244220][ T74] inet6_addr_add+0x4f8/0xa40 [ 6124.244220][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6124.244220][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6124.244220][ T74] netlink_rcv_skb+0x130/0x360 [ 6124.244220][ T74] netlink_unicast+0x449/0x710 [ 6124.244220][ T74] netlink_sendmsg+0x723/0xbe0 [ 6124.244220][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6124.244220][ T74] ___sys_sendmsg+0xee/0x170 [ 6124.244220][ T74] __sys_sendmsg+0xcd/0x170 [ 6124.244220][ T74] do_syscall_64+0xc6/0x1e0 [ 6124.244220][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6124.244220][ T74] [ 6124.246246][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6124.246246][ T74] netdev_get_by_index+0x5e/0x80 [ 6124.246246][ T74] fib6_nh_init+0x3d8/0x1580 [ 6124.246246][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6124.246246][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6124.246246][ T74] ipv6_add_addr+0x411/0x2000 [ 6124.246246][ T74] inet6_addr_add+0x30e/0xa40 [ 6124.246246][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6124.246246][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6124.246246][ T74] netlink_rcv_skb+0x130/0x360 [ 6124.246246][ T74] netlink_unicast+0x449/0x710 [ 6124.246246][ T74] netlink_sendmsg+0x723/0xbe0 [ 6124.246246][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6124.246246][ T74] ___sys_sendmsg+0xee/0x170 [ 6124.246246][ T74] __sys_sendmsg+0xcd/0x170 [ 6124.246246][ T74] do_syscall_64+0xc6/0x1e0 [ 6124.246246][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6124.246246][ T74] [ 6124.248272][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6124.248272][ T74] netdev_get_by_index+0x5e/0x80 [ 6124.248272][ T74] fib6_nh_init+0x3d8/0x1580 [ 6124.248272][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6124.248272][ T74] ip6_route_add+0x1c/0x140 [ 6124.248272][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6124.248272][ T74] addrconf_add_dev+0xe2/0x170 [ 6124.248272][ T74] inet6_addr_add+0x12f/0xa40 [ 6124.248272][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6124.248272][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6124.248272][ T74] netlink_rcv_skb+0x130/0x360 [ 6124.248272][ T74] netlink_unicast+0x449/0x710 [ 6124.248272][ T74] netlink_sendmsg+0x723/0xbe0 [ 6124.248272][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6124.248272][ T74] ___sys_sendmsg+0xee/0x170 [ 6124.248272][ T74] __sys_sendmsg+0xcd/0x170 [ 6124.248272][ T74] do_syscall_64+0xc6/0x1e0 [ 6124.248272][ T74] [ 6124.250272][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6124.250272][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6124.250272][ T74] ipv6_find_idev+0x102/0x170 [ 6124.250272][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6124.250272][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6124.250272][ T74] netlink_rcv_skb+0x130/0x360 [ 6124.250272][ T74] netlink_unicast+0x449/0x710 [ 6124.250272][ T74] netlink_sendmsg+0x723/0xbe0 [ 6124.250272][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6124.250272][ T74] ___sys_sendmsg+0xee/0x170 [ 6124.250272][ T74] __sys_sendmsg+0xcd/0x170 [ 6124.250272][ T74] do_syscall_64+0xc6/0x1e0 [ 6124.250272][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6124.250272][ T74] [ 6124.251835][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6124.251835][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6124.251835][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6124.251835][ T74] ipv6_find_idev+0x102/0x170 [ 6124.251835][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6124.251835][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6124.251835][ T74] netlink_rcv_skb+0x130/0x360 [ 6124.251835][ T74] netlink_unicast+0x449/0x710 [ 6124.251835][ T74] netlink_sendmsg+0x723/0xbe0 [ 6124.251835][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6124.251835][ T74] ___sys_sendmsg+0xee/0x170 [ 6124.251835][ T74] __sys_sendmsg+0xcd/0x170 [ 6124.251835][ T74] do_syscall_64+0xc6/0x1e0 [ 6124.251835][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6124.251835][ T74] [ 6124.253559][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6124.253834][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6124.253834][ T74] dst_init+0x84/0x4a0 [ 6124.253834][ T74] dst_alloc+0x97/0x150 [ 6124.253834][ T74] ip6_dst_alloc+0x23/0x90 [ 6124.253834][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6124.253834][ T74] ip6_pol_route+0x56f/0x840 [ 6124.253834][ T74] fib6_rule_lookup+0x456/0x630 [ 6124.253834][ T74] ip6_route_input+0x59c/0xa50 [ 6124.253834][ T74] ipv6_rcv+0x397/0x810 [ 6124.253834][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6124.253834][ T74] process_backlog+0x101/0x620 [ 6124.253834][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6124.253834][ T74] net_rx_action+0x495/0xbe0 [ 6124.253834][ T74] __do_softirq+0x1b5/0x7f6 [ 6124.253834][ T74] [ 6124.255494][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6124.255494][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6124.255494][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6124.255494][ T74] fib6_nh_init+0xa22/0x1580 [ 6124.255494][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6124.255494][ T74] ip6_route_add+0x1c/0x140 [ 6124.255494][ T74] inet6_rtm_newroute+0x104/0x110 [ 6124.255494][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6124.255494][ T74] netlink_rcv_skb+0x130/0x360 [ 6124.255494][ T74] netlink_unicast+0x449/0x710 [ 6124.255494][ T74] netlink_sendmsg+0x723/0xbe0 [ 6124.255494][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6124.255494][ T74] ___sys_sendmsg+0xee/0x170 [ 6124.255494][ T74] __sys_sendmsg+0xcd/0x170 [ 6124.255494][ T74] do_syscall_64+0xc6/0x1e0 [ 6124.255494][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6124.255494][ T74] [ 6124.257387][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6124.257387][ T74] netdev_get_by_index+0x5e/0x80 [ 6124.257387][ T74] fib6_nh_init+0x3d8/0x1580 [ 6124.257387][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6124.257387][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6124.257387][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6124.257387][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6124.257387][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6124.257387][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6124.257387][ T74] addrconf_dad_begin+0x310/0x670 [ 6124.257387][ T74] addrconf_dad_work+0x10b/0xab0 [ 6124.257387][ T74] process_one_work+0x84d/0x18a0 [ 6124.257387][ T74] worker_thread+0x587/0xd30 [ 6124.257387][ T74] kthread+0x28a/0x350 [ 6124.257387][ T74] ret_from_fork+0x31/0x70 [ 6124.257387][ T74] ret_from_fork_asm+0x1a/0x30 [ 6124.257387][ T74] [ 6124.259314][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6124.259314][ T74] netdev_get_by_index+0x5e/0x80 [ 6124.259314][ T74] fib6_nh_init+0x3d8/0x1580 [ 6124.259314][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6124.259314][ T74] ip6_route_add+0x1c/0x140 [ 6124.259314][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6124.259314][ T74] inet6_addr_add+0x4f8/0xa40 [ 6124.259314][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6124.259314][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6124.259314][ T74] netlink_rcv_skb+0x130/0x360 [ 6124.259314][ T74] netlink_unicast+0x449/0x710 [ 6124.259314][ T74] netlink_sendmsg+0x723/0xbe0 [ 6124.259314][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6124.259314][ T74] ___sys_sendmsg+0xee/0x170 [ 6124.259314][ T74] __sys_sendmsg+0xcd/0x170 [ 6124.259314][ T74] do_syscall_64+0xc6/0x1e0 [ 6124.259314][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6124.259314][ T74] [ 6124.261330][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6124.261330][ T74] netdev_get_by_index+0x5e/0x80 [ 6124.261330][ T74] fib6_nh_init+0x3d8/0x1580 [ 6124.261330][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6124.261330][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6124.261330][ T74] ipv6_add_addr+0x411/0x2000 [ 6124.261330][ T74] inet6_addr_add+0x30e/0xa40 [ 6124.261330][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6124.261330][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6124.261330][ T74] netlink_rcv_skb+0x130/0x360 [ 6124.261330][ T74] netlink_unicast+0x449/0x710 [ 6124.261330][ T74] netlink_sendmsg+0x723/0xbe0 [ 6124.261330][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6124.261330][ T74] ___sys_sendmsg+0xee/0x170 [ 6124.261330][ T74] __sys_sendmsg+0xcd/0x170 [ 6124.261330][ T74] do_syscall_64+0xc6/0x1e0 [ 6124.261330][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6124.261330][ T74] [ 6124.263340][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6124.263340][ T74] netdev_get_by_index+0x5e/0x80 [ 6124.263340][ T74] fib6_nh_init+0x3d8/0x1580 [ 6124.263340][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6124.263340][ T74] ip6_route_add+0x1c/0x140 [ 6124.263340][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6124.263340][ T74] addrconf_add_dev+0xe2/0x170 [ 6124.263340][ T74] inet6_addr_add+0x12f/0xa40 [ 6124.263340][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6124.263340][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6124.263340][ T74] netlink_rcv_skb+0x130/0x360 [ 6124.263340][ T74] netlink_unicast+0x449/0x710 [ 6124.263340][ T74] netlink_sendmsg+0x723/0xbe0 [ 6124.263340][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6124.263340][ T74] ___sys_sendmsg+0xee/0x170 [ 6124.263340][ T74] __sys_sendmsg+0xcd/0x170 [ 6124.263340][ T74] do_syscall_64+0xc6/0x1e0 [ 6124.263340][ T74] [ 6124.265320][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6124.265320][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6124.265320][ T74] ipv6_find_idev+0x102/0x170 [ 6124.265320][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6124.265320][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6124.265320][ T74] netlink_rcv_skb+0x130/0x360 [ 6124.265320][ T74] netlink_unicast+0x449/0x710 [ 6124.265320][ T74] netlink_sendmsg+0x723/0xbe0 [ 6124.265320][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6124.265320][ T74] ___sys_sendmsg+0xee/0x170 [ 6124.265320][ T74] __sys_sendmsg+0xcd/0x170 [ 6124.265320][ T74] do_syscall_64+0xc6/0x1e0 [ 6124.265320][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6124.265320][ T74] [ 6124.267057][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6124.267057][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6124.267057][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6124.267057][ T74] ipv6_find_idev+0x102/0x170 [ 6124.267057][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6124.267057][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6124.267057][ T74] netlink_rcv_skb+0x130/0x360 [ 6124.267057][ T74] netlink_unicast+0x449/0x710 [ 6124.267057][ T74] netlink_sendmsg+0x723/0xbe0 [ 6124.267057][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6124.267057][ T74] ___sys_sendmsg+0xee/0x170 [ 6124.267057][ T74] __sys_sendmsg+0xcd/0x170 [ 6124.267057][ T74] do_syscall_64+0xc6/0x1e0 [ 6124.267057][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6124.267057][ T74] [ 6124.269012][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6124.269311][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6124.269311][ T74] netdev_get_by_index+0x5e/0x80 [ 6124.269311][ T74] fib6_nh_init+0x3d8/0x1580 [ 6124.269311][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6124.269311][ T74] ip6_route_add+0x1c/0x140 [ 6124.269311][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6124.269311][ T74] inet6_addr_add+0x4f8/0xa40 [ 6124.269311][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6124.269311][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6124.269311][ T74] netlink_rcv_skb+0x130/0x360 [ 6124.269311][ T74] netlink_unicast+0x449/0x710 [ 6124.269311][ T74] netlink_sendmsg+0x723/0xbe0 [ 6124.269311][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6124.269311][ T74] ___sys_sendmsg+0xee/0x170 [ 6124.269311][ T74] __sys_sendmsg+0xcd/0x170 [ 6124.269311][ T74] do_syscall_64+0xc6/0x1e0 [ 6124.269311][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6124.269311][ T74] [ 6124.271524][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6124.271524][ T74] netdev_get_by_index+0x5e/0x80 [ 6124.271524][ T74] fib6_nh_init+0x3d8/0x1580 [ 6124.271524][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6124.271524][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6124.271524][ T74] ipv6_add_addr+0x411/0x2000 [ 6124.271524][ T74] inet6_addr_add+0x30e/0xa40 [ 6124.271524][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6124.271524][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6124.271524][ T74] netlink_rcv_skb+0x130/0x360 [ 6124.271524][ T74] netlink_unicast+0x449/0x710 [ 6124.271524][ T74] netlink_sendmsg+0x723/0xbe0 [ 6124.271524][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6124.271524][ T74] ___sys_sendmsg+0xee/0x170 [ 6124.271524][ T74] __sys_sendmsg+0xcd/0x170 [ 6124.271524][ T74] do_syscall_64+0xc6/0x1e0 [ 6124.271524][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6124.271524][ T74] [ 6124.273783][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6124.273783][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6124.273783][ T74] ipv6_find_idev+0x102/0x170 [ 6124.273783][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6124.273783][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6124.273783][ T74] netlink_rcv_skb+0x130/0x360 [ 6124.273783][ T74] netlink_unicast+0x449/0x710 [ 6124.273783][ T74] netlink_sendmsg+0x723/0xbe0 [ 6124.273783][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6124.273783][ T74] ___sys_sendmsg+0xee/0x170 [ 6124.273783][ T74] __sys_sendmsg+0xcd/0x170 [ 6124.273783][ T74] do_syscall_64+0xc6/0x1e0 [ 6124.273783][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6124.273783][ T74] [ 6124.275664][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6124.275664][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6124.275664][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6124.275664][ T74] ipv6_find_idev+0x102/0x170 [ 6124.275664][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6124.275664][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6124.275664][ T74] netlink_rcv_skb+0x130/0x360 [ 6124.275664][ T74] netlink_unicast+0x449/0x710 [ 6124.275664][ T74] netlink_sendmsg+0x723/0xbe0 [ 6124.275664][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6124.275664][ T74] ___sys_sendmsg+0xee/0x170 [ 6124.275664][ T74] __sys_sendmsg+0xcd/0x170 [ 6124.275664][ T74] do_syscall_64+0xc6/0x1e0 [ 6124.275664][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6124.275664][ T74] [ 6134.519956][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6134.520375][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6134.520375][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6134.520375][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6134.520375][ T74] fib6_nh_init+0xa22/0x1580 [ 6134.520375][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6134.520375][ T74] ip6_route_add+0x1c/0x140 [ 6134.520375][ T74] inet6_rtm_newroute+0x104/0x110 [ 6134.520375][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6134.520375][ T74] netlink_rcv_skb+0x130/0x360 [ 6134.520375][ T74] netlink_unicast+0x449/0x710 [ 6134.520375][ T74] netlink_sendmsg+0x723/0xbe0 [ 6134.520375][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6134.520375][ T74] ___sys_sendmsg+0xee/0x170 [ 6134.520375][ T74] __sys_sendmsg+0xcd/0x170 [ 6134.520375][ T74] do_syscall_64+0xc6/0x1e0 [ 6134.520375][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6134.520375][ T74] [ 6134.522269][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6134.522269][ T74] netdev_get_by_index+0x5e/0x80 [ 6134.522269][ T74] fib6_nh_init+0x3d8/0x1580 [ 6134.522269][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6134.522269][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6134.522269][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6134.522269][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6134.522269][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6134.522269][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6134.522269][ T74] addrconf_dad_begin+0x310/0x670 [ 6134.522269][ T74] addrconf_dad_work+0x10b/0xab0 [ 6134.522269][ T74] process_one_work+0x84d/0x18a0 [ 6134.522269][ T74] worker_thread+0x587/0xd30 [ 6134.522269][ T74] kthread+0x28a/0x350 [ 6134.522269][ T74] ret_from_fork+0x31/0x70 [ 6134.522269][ T74] ret_from_fork_asm+0x1a/0x30 [ 6134.522269][ T74] [ 6134.524201][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6134.524201][ T74] netdev_get_by_index+0x5e/0x80 [ 6134.524201][ T74] fib6_nh_init+0x3d8/0x1580 [ 6134.524201][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6134.524201][ T74] ip6_route_add+0x1c/0x140 [ 6134.524201][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6134.524201][ T74] inet6_addr_add+0x4f8/0xa40 [ 6134.524201][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6134.524201][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6134.524201][ T74] netlink_rcv_skb+0x130/0x360 [ 6134.524201][ T74] netlink_unicast+0x449/0x710 [ 6134.524201][ T74] netlink_sendmsg+0x723/0xbe0 [ 6134.524201][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6134.524201][ T74] ___sys_sendmsg+0xee/0x170 [ 6134.524201][ T74] __sys_sendmsg+0xcd/0x170 [ 6134.524201][ T74] do_syscall_64+0xc6/0x1e0 [ 6134.524201][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6134.524201][ T74] [ 6134.526189][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6134.526189][ T74] netdev_get_by_index+0x5e/0x80 [ 6134.526189][ T74] fib6_nh_init+0x3d8/0x1580 [ 6134.526189][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6134.526189][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6134.526189][ T74] ipv6_add_addr+0x411/0x2000 [ 6134.526189][ T74] inet6_addr_add+0x30e/0xa40 [ 6134.526189][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6134.526189][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6134.526189][ T74] netlink_rcv_skb+0x130/0x360 [ 6134.526189][ T74] netlink_unicast+0x449/0x710 [ 6134.526189][ T74] netlink_sendmsg+0x723/0xbe0 [ 6134.526189][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6134.526189][ T74] ___sys_sendmsg+0xee/0x170 [ 6134.526189][ T74] __sys_sendmsg+0xcd/0x170 [ 6134.526189][ T74] do_syscall_64+0xc6/0x1e0 [ 6134.526189][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6134.526189][ T74] [ 6134.528178][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6134.528178][ T74] netdev_get_by_index+0x5e/0x80 [ 6134.528178][ T74] fib6_nh_init+0x3d8/0x1580 [ 6134.528178][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6134.528178][ T74] ip6_route_add+0x1c/0x140 [ 6134.528178][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6134.528178][ T74] addrconf_add_dev+0xe2/0x170 [ 6134.528178][ T74] inet6_addr_add+0x12f/0xa40 [ 6134.528178][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6134.528178][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6134.528178][ T74] netlink_rcv_skb+0x130/0x360 [ 6134.528178][ T74] netlink_unicast+0x449/0x710 [ 6134.528178][ T74] netlink_sendmsg+0x723/0xbe0 [ 6134.528178][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6134.528178][ T74] ___sys_sendmsg+0xee/0x170 [ 6134.528178][ T74] __sys_sendmsg+0xcd/0x170 [ 6134.528178][ T74] do_syscall_64+0xc6/0x1e0 [ 6134.528178][ T74] [ 6134.530136][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6134.530136][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6134.530136][ T74] ipv6_find_idev+0x102/0x170 [ 6134.530136][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6134.530136][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6134.530136][ T74] netlink_rcv_skb+0x130/0x360 [ 6134.530136][ T74] netlink_unicast+0x449/0x710 [ 6134.530136][ T74] netlink_sendmsg+0x723/0xbe0 [ 6134.530136][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6134.530136][ T74] ___sys_sendmsg+0xee/0x170 [ 6134.530136][ T74] __sys_sendmsg+0xcd/0x170 [ 6134.530136][ T74] do_syscall_64+0xc6/0x1e0 [ 6134.530136][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6134.530136][ T74] [ 6134.531668][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6134.531668][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6134.531668][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6134.531668][ T74] ipv6_find_idev+0x102/0x170 [ 6134.531668][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6134.531668][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6134.531668][ T74] netlink_rcv_skb+0x130/0x360 [ 6134.531668][ T74] netlink_unicast+0x449/0x710 [ 6134.531668][ T74] netlink_sendmsg+0x723/0xbe0 [ 6134.531668][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6134.531668][ T74] ___sys_sendmsg+0xee/0x170 [ 6134.531668][ T74] __sys_sendmsg+0xcd/0x170 [ 6134.531668][ T74] do_syscall_64+0xc6/0x1e0 [ 6134.531668][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6134.531668][ T74] [ 6134.533347][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6134.533617][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6134.533617][ T74] dst_init+0x84/0x4a0 [ 6134.533617][ T74] dst_alloc+0x97/0x150 [ 6134.533617][ T74] ip6_dst_alloc+0x23/0x90 [ 6134.533617][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6134.533617][ T74] ip6_pol_route+0x56f/0x840 [ 6134.533617][ T74] fib6_rule_lookup+0x456/0x630 [ 6134.533617][ T74] ip6_route_input+0x59c/0xa50 [ 6134.533617][ T74] ipv6_rcv+0x397/0x810 [ 6134.533617][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6134.533617][ T74] process_backlog+0x101/0x620 [ 6134.533617][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6134.533617][ T74] net_rx_action+0x495/0xbe0 [ 6134.533617][ T74] __do_softirq+0x1b5/0x7f6 [ 6134.533617][ T74] [ 6134.535248][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6134.535248][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6134.535248][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6134.535248][ T74] fib6_nh_init+0xa22/0x1580 [ 6134.535248][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6134.535248][ T74] ip6_route_add+0x1c/0x140 [ 6134.535248][ T74] inet6_rtm_newroute+0x104/0x110 [ 6134.535248][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6134.535248][ T74] netlink_rcv_skb+0x130/0x360 [ 6134.535248][ T74] netlink_unicast+0x449/0x710 [ 6134.535248][ T74] netlink_sendmsg+0x723/0xbe0 [ 6134.535248][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6134.535248][ T74] ___sys_sendmsg+0xee/0x170 [ 6134.535248][ T74] __sys_sendmsg+0xcd/0x170 [ 6134.535248][ T74] do_syscall_64+0xc6/0x1e0 [ 6134.535248][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6134.535248][ T74] [ 6134.537122][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6134.537122][ T74] netdev_get_by_index+0x5e/0x80 [ 6134.537122][ T74] fib6_nh_init+0x3d8/0x1580 [ 6134.537122][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6134.537122][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6134.537122][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6134.537122][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6134.537122][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6134.537122][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6134.537122][ T74] addrconf_dad_begin+0x310/0x670 [ 6134.537122][ T74] addrconf_dad_work+0x10b/0xab0 [ 6134.537122][ T74] process_one_work+0x84d/0x18a0 [ 6134.537122][ T74] worker_thread+0x587/0xd30 [ 6134.537122][ T74] kthread+0x28a/0x350 [ 6134.537122][ T74] ret_from_fork+0x31/0x70 [ 6134.537122][ T74] ret_from_fork_asm+0x1a/0x30 [ 6134.537122][ T74] [ 6134.539019][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6134.539019][ T74] netdev_get_by_index+0x5e/0x80 [ 6134.539019][ T74] fib6_nh_init+0x3d8/0x1580 [ 6134.539019][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6134.539019][ T74] ip6_route_add+0x1c/0x140 [ 6134.539019][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6134.539019][ T74] inet6_addr_add+0x4f8/0xa40 [ 6134.539019][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6134.539019][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6134.539019][ T74] netlink_rcv_skb+0x130/0x360 [ 6134.539019][ T74] netlink_unicast+0x449/0x710 [ 6134.539019][ T74] netlink_sendmsg+0x723/0xbe0 [ 6134.539019][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6134.539019][ T74] ___sys_sendmsg+0xee/0x170 [ 6134.539019][ T74] __sys_sendmsg+0xcd/0x170 [ 6134.539019][ T74] do_syscall_64+0xc6/0x1e0 [ 6134.539019][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6134.539019][ T74] [ 6134.541042][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6134.541042][ T74] netdev_get_by_index+0x5e/0x80 [ 6134.541042][ T74] fib6_nh_init+0x3d8/0x1580 [ 6134.541042][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6134.541042][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6134.541042][ T74] ipv6_add_addr+0x411/0x2000 [ 6134.541042][ T74] inet6_addr_add+0x30e/0xa40 [ 6134.541042][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6134.541042][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6134.541042][ T74] netlink_rcv_skb+0x130/0x360 [ 6134.541042][ T74] netlink_unicast+0x449/0x710 [ 6134.541042][ T74] netlink_sendmsg+0x723/0xbe0 [ 6134.541042][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6134.541042][ T74] ___sys_sendmsg+0xee/0x170 [ 6134.541042][ T74] __sys_sendmsg+0xcd/0x170 [ 6134.541042][ T74] do_syscall_64+0xc6/0x1e0 [ 6134.541042][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6134.541042][ T74] [ 6134.543041][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6134.543041][ T74] netdev_get_by_index+0x5e/0x80 [ 6134.543041][ T74] fib6_nh_init+0x3d8/0x1580 [ 6134.543041][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6134.543041][ T74] ip6_route_add+0x1c/0x140 [ 6134.543041][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6134.543041][ T74] addrconf_add_dev+0xe2/0x170 [ 6134.543041][ T74] inet6_addr_add+0x12f/0xa40 [ 6134.543041][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6134.543041][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6134.543041][ T74] netlink_rcv_skb+0x130/0x360 [ 6134.543041][ T74] netlink_unicast+0x449/0x710 [ 6134.543041][ T74] netlink_sendmsg+0x723/0xbe0 [ 6134.543041][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6134.543041][ T74] ___sys_sendmsg+0xee/0x170 [ 6134.543041][ T74] __sys_sendmsg+0xcd/0x170 [ 6134.543041][ T74] do_syscall_64+0xc6/0x1e0 [ 6134.543041][ T74] [ 6134.545012][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6134.545012][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6134.545012][ T74] ipv6_find_idev+0x102/0x170 [ 6134.545012][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6134.545012][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6134.545012][ T74] netlink_rcv_skb+0x130/0x360 [ 6134.545012][ T74] netlink_unicast+0x449/0x710 [ 6134.545012][ T74] netlink_sendmsg+0x723/0xbe0 [ 6134.545012][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6134.545012][ T74] ___sys_sendmsg+0xee/0x170 [ 6134.545012][ T74] __sys_sendmsg+0xcd/0x170 [ 6134.545012][ T74] do_syscall_64+0xc6/0x1e0 [ 6134.545012][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6134.545012][ T74] [ 6134.546613][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6134.546613][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6134.546613][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6134.546613][ T74] ipv6_find_idev+0x102/0x170 [ 6134.546613][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6134.546613][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6134.546613][ T74] netlink_rcv_skb+0x130/0x360 [ 6134.546613][ T74] netlink_unicast+0x449/0x710 [ 6134.546613][ T74] netlink_sendmsg+0x723/0xbe0 [ 6134.546613][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6134.546613][ T74] ___sys_sendmsg+0xee/0x170 [ 6134.546613][ T74] __sys_sendmsg+0xcd/0x170 [ 6134.546613][ T74] do_syscall_64+0xc6/0x1e0 [ 6134.546613][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6134.546613][ T74] [ 6134.548609][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6134.548849][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6134.548849][ T74] netdev_get_by_index+0x5e/0x80 [ 6134.548849][ T74] fib6_nh_init+0x3d8/0x1580 [ 6134.548849][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6134.548849][ T74] ip6_route_add+0x1c/0x140 [ 6134.548849][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6134.548849][ T74] inet6_addr_add+0x4f8/0xa40 [ 6134.548849][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6134.548849][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6134.548849][ T74] netlink_rcv_skb+0x130/0x360 [ 6134.548849][ T74] netlink_unicast+0x449/0x710 [ 6134.548849][ T74] netlink_sendmsg+0x723/0xbe0 [ 6134.548849][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6134.548849][ T74] ___sys_sendmsg+0xee/0x170 [ 6134.548849][ T74] __sys_sendmsg+0xcd/0x170 [ 6134.548849][ T74] do_syscall_64+0xc6/0x1e0 [ 6134.548849][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6134.548849][ T74] [ 6134.551081][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6134.551081][ T74] netdev_get_by_index+0x5e/0x80 [ 6134.551081][ T74] fib6_nh_init+0x3d8/0x1580 [ 6134.551081][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6134.551081][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6134.551081][ T74] ipv6_add_addr+0x411/0x2000 [ 6134.551081][ T74] inet6_addr_add+0x30e/0xa40 [ 6134.551081][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6134.551081][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6134.551081][ T74] netlink_rcv_skb+0x130/0x360 [ 6134.551081][ T74] netlink_unicast+0x449/0x710 [ 6134.551081][ T74] netlink_sendmsg+0x723/0xbe0 [ 6134.551081][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6134.551081][ T74] ___sys_sendmsg+0xee/0x170 [ 6134.551081][ T74] __sys_sendmsg+0xcd/0x170 [ 6134.551081][ T74] do_syscall_64+0xc6/0x1e0 [ 6134.551081][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6134.551081][ T74] [ 6134.553301][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6134.553301][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6134.553301][ T74] ipv6_find_idev+0x102/0x170 [ 6134.553301][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6134.553301][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6134.553301][ T74] netlink_rcv_skb+0x130/0x360 [ 6134.553301][ T74] netlink_unicast+0x449/0x710 [ 6134.553301][ T74] netlink_sendmsg+0x723/0xbe0 [ 6134.553301][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6134.553301][ T74] ___sys_sendmsg+0xee/0x170 [ 6134.553301][ T74] __sys_sendmsg+0xcd/0x170 [ 6134.553301][ T74] do_syscall_64+0xc6/0x1e0 [ 6134.553301][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6134.553301][ T74] [ 6134.555022][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6134.555022][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6134.555022][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6134.555022][ T74] ipv6_find_idev+0x102/0x170 [ 6134.555022][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6134.555022][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6134.555022][ T74] netlink_rcv_skb+0x130/0x360 [ 6134.555022][ T74] netlink_unicast+0x449/0x710 [ 6134.555022][ T74] netlink_sendmsg+0x723/0xbe0 [ 6134.555022][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6134.555022][ T74] ___sys_sendmsg+0xee/0x170 [ 6134.555022][ T74] __sys_sendmsg+0xcd/0x170 [ 6134.555022][ T74] do_syscall_64+0xc6/0x1e0 [ 6134.555022][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6134.555022][ T74] [ 6144.799956][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6144.800371][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6144.800371][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6144.800371][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6144.800371][ T74] fib6_nh_init+0xa22/0x1580 [ 6144.800371][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6144.800371][ T74] ip6_route_add+0x1c/0x140 [ 6144.800371][ T74] inet6_rtm_newroute+0x104/0x110 [ 6144.800371][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6144.800371][ T74] netlink_rcv_skb+0x130/0x360 [ 6144.800371][ T74] netlink_unicast+0x449/0x710 [ 6144.800371][ T74] netlink_sendmsg+0x723/0xbe0 [ 6144.800371][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6144.800371][ T74] ___sys_sendmsg+0xee/0x170 [ 6144.800371][ T74] __sys_sendmsg+0xcd/0x170 [ 6144.800371][ T74] do_syscall_64+0xc6/0x1e0 [ 6144.800371][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6144.800371][ T74] [ 6144.802267][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6144.802267][ T74] netdev_get_by_index+0x5e/0x80 [ 6144.802267][ T74] fib6_nh_init+0x3d8/0x1580 [ 6144.802267][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6144.802267][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6144.802267][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6144.802267][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6144.802267][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6144.802267][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6144.802267][ T74] addrconf_dad_begin+0x310/0x670 [ 6144.802267][ T74] addrconf_dad_work+0x10b/0xab0 [ 6144.802267][ T74] process_one_work+0x84d/0x18a0 [ 6144.802267][ T74] worker_thread+0x587/0xd30 [ 6144.802267][ T74] kthread+0x28a/0x350 [ 6144.802267][ T74] ret_from_fork+0x31/0x70 [ 6144.802267][ T74] ret_from_fork_asm+0x1a/0x30 [ 6144.802267][ T74] [ 6144.804189][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6144.804189][ T74] netdev_get_by_index+0x5e/0x80 [ 6144.804189][ T74] fib6_nh_init+0x3d8/0x1580 [ 6144.804189][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6144.804189][ T74] ip6_route_add+0x1c/0x140 [ 6144.804189][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6144.804189][ T74] inet6_addr_add+0x4f8/0xa40 [ 6144.804189][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6144.804189][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6144.804189][ T74] netlink_rcv_skb+0x130/0x360 [ 6144.804189][ T74] netlink_unicast+0x449/0x710 [ 6144.804189][ T74] netlink_sendmsg+0x723/0xbe0 [ 6144.804189][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6144.804189][ T74] ___sys_sendmsg+0xee/0x170 [ 6144.804189][ T74] __sys_sendmsg+0xcd/0x170 [ 6144.804189][ T74] do_syscall_64+0xc6/0x1e0 [ 6144.804189][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6144.804189][ T74] [ 6144.806181][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6144.806181][ T74] netdev_get_by_index+0x5e/0x80 [ 6144.806181][ T74] fib6_nh_init+0x3d8/0x1580 [ 6144.806181][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6144.806181][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6144.806181][ T74] ipv6_add_addr+0x411/0x2000 [ 6144.806181][ T74] inet6_addr_add+0x30e/0xa40 [ 6144.806181][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6144.806181][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6144.806181][ T74] netlink_rcv_skb+0x130/0x360 [ 6144.806181][ T74] netlink_unicast+0x449/0x710 [ 6144.806181][ T74] netlink_sendmsg+0x723/0xbe0 [ 6144.806181][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6144.806181][ T74] ___sys_sendmsg+0xee/0x170 [ 6144.806181][ T74] __sys_sendmsg+0xcd/0x170 [ 6144.806181][ T74] do_syscall_64+0xc6/0x1e0 [ 6144.806181][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6144.806181][ T74] [ 6144.808171][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6144.808171][ T74] netdev_get_by_index+0x5e/0x80 [ 6144.808171][ T74] fib6_nh_init+0x3d8/0x1580 [ 6144.808171][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6144.808171][ T74] ip6_route_add+0x1c/0x140 [ 6144.808171][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6144.808171][ T74] addrconf_add_dev+0xe2/0x170 [ 6144.808171][ T74] inet6_addr_add+0x12f/0xa40 [ 6144.808171][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6144.808171][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6144.808171][ T74] netlink_rcv_skb+0x130/0x360 [ 6144.808171][ T74] netlink_unicast+0x449/0x710 [ 6144.808171][ T74] netlink_sendmsg+0x723/0xbe0 [ 6144.808171][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6144.808171][ T74] ___sys_sendmsg+0xee/0x170 [ 6144.808171][ T74] __sys_sendmsg+0xcd/0x170 [ 6144.808171][ T74] do_syscall_64+0xc6/0x1e0 [ 6144.808171][ T74] [ 6144.810136][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6144.810136][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6144.810136][ T74] ipv6_find_idev+0x102/0x170 [ 6144.810136][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6144.810136][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6144.810136][ T74] netlink_rcv_skb+0x130/0x360 [ 6144.810136][ T74] netlink_unicast+0x449/0x710 [ 6144.810136][ T74] netlink_sendmsg+0x723/0xbe0 [ 6144.810136][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6144.810136][ T74] ___sys_sendmsg+0xee/0x170 [ 6144.810136][ T74] __sys_sendmsg+0xcd/0x170 [ 6144.810136][ T74] do_syscall_64+0xc6/0x1e0 [ 6144.810136][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6144.810136][ T74] [ 6144.811670][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6144.811670][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6144.811670][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6144.811670][ T74] ipv6_find_idev+0x102/0x170 [ 6144.811670][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6144.811670][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6144.811670][ T74] netlink_rcv_skb+0x130/0x360 [ 6144.811670][ T74] netlink_unicast+0x449/0x710 [ 6144.811670][ T74] netlink_sendmsg+0x723/0xbe0 [ 6144.811670][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6144.811670][ T74] ___sys_sendmsg+0xee/0x170 [ 6144.811670][ T74] __sys_sendmsg+0xcd/0x170 [ 6144.811670][ T74] do_syscall_64+0xc6/0x1e0 [ 6144.811670][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6144.811670][ T74] [ 6144.813375][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6144.813646][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6144.813646][ T74] dst_init+0x84/0x4a0 [ 6144.813646][ T74] dst_alloc+0x97/0x150 [ 6144.813646][ T74] ip6_dst_alloc+0x23/0x90 [ 6144.813646][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6144.813646][ T74] ip6_pol_route+0x56f/0x840 [ 6144.813646][ T74] fib6_rule_lookup+0x456/0x630 [ 6144.813646][ T74] ip6_route_input+0x59c/0xa50 [ 6144.813646][ T74] ipv6_rcv+0x397/0x810 [ 6144.813646][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6144.813646][ T74] process_backlog+0x101/0x620 [ 6144.813646][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6144.813646][ T74] net_rx_action+0x495/0xbe0 [ 6144.813646][ T74] __do_softirq+0x1b5/0x7f6 [ 6144.813646][ T74] [ 6144.815303][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6144.815303][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6144.815303][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6144.815303][ T74] fib6_nh_init+0xa22/0x1580 [ 6144.815303][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6144.815303][ T74] ip6_route_add+0x1c/0x140 [ 6144.815303][ T74] inet6_rtm_newroute+0x104/0x110 [ 6144.815303][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6144.815303][ T74] netlink_rcv_skb+0x130/0x360 [ 6144.815303][ T74] netlink_unicast+0x449/0x710 [ 6144.815303][ T74] netlink_sendmsg+0x723/0xbe0 [ 6144.815303][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6144.815303][ T74] ___sys_sendmsg+0xee/0x170 [ 6144.815303][ T74] __sys_sendmsg+0xcd/0x170 [ 6144.815303][ T74] do_syscall_64+0xc6/0x1e0 [ 6144.815303][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6144.815303][ T74] [ 6144.817170][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6144.817170][ T74] netdev_get_by_index+0x5e/0x80 [ 6144.817170][ T74] fib6_nh_init+0x3d8/0x1580 [ 6144.817170][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6144.817170][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6144.817170][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6144.817170][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6144.817170][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6144.817170][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6144.817170][ T74] addrconf_dad_begin+0x310/0x670 [ 6144.817170][ T74] addrconf_dad_work+0x10b/0xab0 [ 6144.817170][ T74] process_one_work+0x84d/0x18a0 [ 6144.817170][ T74] worker_thread+0x587/0xd30 [ 6144.817170][ T74] kthread+0x28a/0x350 [ 6144.817170][ T74] ret_from_fork+0x31/0x70 [ 6144.817170][ T74] ret_from_fork_asm+0x1a/0x30 [ 6144.817170][ T74] [ 6144.819062][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6144.819062][ T74] netdev_get_by_index+0x5e/0x80 [ 6144.819062][ T74] fib6_nh_init+0x3d8/0x1580 [ 6144.819062][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6144.819062][ T74] ip6_route_add+0x1c/0x140 [ 6144.819062][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6144.819062][ T74] inet6_addr_add+0x4f8/0xa40 [ 6144.819062][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6144.819062][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6144.819062][ T74] netlink_rcv_skb+0x130/0x360 [ 6144.819062][ T74] netlink_unicast+0x449/0x710 [ 6144.819062][ T74] netlink_sendmsg+0x723/0xbe0 [ 6144.819062][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6144.819062][ T74] ___sys_sendmsg+0xee/0x170 [ 6144.819062][ T74] __sys_sendmsg+0xcd/0x170 [ 6144.819062][ T74] do_syscall_64+0xc6/0x1e0 [ 6144.819062][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6144.819062][ T74] [ 6144.821052][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6144.821052][ T74] netdev_get_by_index+0x5e/0x80 [ 6144.821052][ T74] fib6_nh_init+0x3d8/0x1580 [ 6144.821052][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6144.821052][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6144.821052][ T74] ipv6_add_addr+0x411/0x2000 [ 6144.821052][ T74] inet6_addr_add+0x30e/0xa40 [ 6144.821052][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6144.821052][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6144.821052][ T74] netlink_rcv_skb+0x130/0x360 [ 6144.821052][ T74] netlink_unicast+0x449/0x710 [ 6144.821052][ T74] netlink_sendmsg+0x723/0xbe0 [ 6144.821052][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6144.821052][ T74] ___sys_sendmsg+0xee/0x170 [ 6144.821052][ T74] __sys_sendmsg+0xcd/0x170 [ 6144.821052][ T74] do_syscall_64+0xc6/0x1e0 [ 6144.821052][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6144.821052][ T74] [ 6144.823032][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6144.823032][ T74] netdev_get_by_index+0x5e/0x80 [ 6144.823032][ T74] fib6_nh_init+0x3d8/0x1580 [ 6144.823032][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6144.823032][ T74] ip6_route_add+0x1c/0x140 [ 6144.823032][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6144.823032][ T74] addrconf_add_dev+0xe2/0x170 [ 6144.823032][ T74] inet6_addr_add+0x12f/0xa40 [ 6144.823032][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6144.823032][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6144.823032][ T74] netlink_rcv_skb+0x130/0x360 [ 6144.823032][ T74] netlink_unicast+0x449/0x710 [ 6144.823032][ T74] netlink_sendmsg+0x723/0xbe0 [ 6144.823032][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6144.823032][ T74] ___sys_sendmsg+0xee/0x170 [ 6144.823032][ T74] __sys_sendmsg+0xcd/0x170 [ 6144.823032][ T74] do_syscall_64+0xc6/0x1e0 [ 6144.823032][ T74] [ 6144.824984][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6144.824984][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6144.824984][ T74] ipv6_find_idev+0x102/0x170 [ 6144.824984][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6144.824984][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6144.824984][ T74] netlink_rcv_skb+0x130/0x360 [ 6144.824984][ T74] netlink_unicast+0x449/0x710 [ 6144.824984][ T74] netlink_sendmsg+0x723/0xbe0 [ 6144.824984][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6144.824984][ T74] ___sys_sendmsg+0xee/0x170 [ 6144.824984][ T74] __sys_sendmsg+0xcd/0x170 [ 6144.824984][ T74] do_syscall_64+0xc6/0x1e0 [ 6144.824984][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6144.824984][ T74] [ 6144.826638][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6144.826638][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6144.826638][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6144.826638][ T74] ipv6_find_idev+0x102/0x170 [ 6144.826638][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6144.826638][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6144.826638][ T74] netlink_rcv_skb+0x130/0x360 [ 6144.826638][ T74] netlink_unicast+0x449/0x710 [ 6144.826638][ T74] netlink_sendmsg+0x723/0xbe0 [ 6144.826638][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6144.826638][ T74] ___sys_sendmsg+0xee/0x170 [ 6144.826638][ T74] __sys_sendmsg+0xcd/0x170 [ 6144.826638][ T74] do_syscall_64+0xc6/0x1e0 [ 6144.826638][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6144.826638][ T74] [ 6144.828563][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6144.828800][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6144.828800][ T74] netdev_get_by_index+0x5e/0x80 [ 6144.828800][ T74] fib6_nh_init+0x3d8/0x1580 [ 6144.828800][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6144.828800][ T74] ip6_route_add+0x1c/0x140 [ 6144.828800][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6144.828800][ T74] inet6_addr_add+0x4f8/0xa40 [ 6144.828800][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6144.828800][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6144.828800][ T74] netlink_rcv_skb+0x130/0x360 [ 6144.828800][ T74] netlink_unicast+0x449/0x710 [ 6144.828800][ T74] netlink_sendmsg+0x723/0xbe0 [ 6144.828800][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6144.828800][ T74] ___sys_sendmsg+0xee/0x170 [ 6144.828800][ T74] __sys_sendmsg+0xcd/0x170 [ 6144.828800][ T74] do_syscall_64+0xc6/0x1e0 [ 6144.828800][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6144.828800][ T74] [ 6144.831043][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6144.831043][ T74] netdev_get_by_index+0x5e/0x80 [ 6144.831043][ T74] fib6_nh_init+0x3d8/0x1580 [ 6144.831043][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6144.831043][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6144.831043][ T74] ipv6_add_addr+0x411/0x2000 [ 6144.831043][ T74] inet6_addr_add+0x30e/0xa40 [ 6144.831043][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6144.831043][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6144.831043][ T74] netlink_rcv_skb+0x130/0x360 [ 6144.831043][ T74] netlink_unicast+0x449/0x710 [ 6144.831043][ T74] netlink_sendmsg+0x723/0xbe0 [ 6144.831043][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6144.831043][ T74] ___sys_sendmsg+0xee/0x170 [ 6144.831043][ T74] __sys_sendmsg+0xcd/0x170 [ 6144.831043][ T74] do_syscall_64+0xc6/0x1e0 [ 6144.831043][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6144.831043][ T74] [ 6144.833338][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6144.833338][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6144.833338][ T74] ipv6_find_idev+0x102/0x170 [ 6144.833338][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6144.833338][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6144.833338][ T74] netlink_rcv_skb+0x130/0x360 [ 6144.833338][ T74] netlink_unicast+0x449/0x710 [ 6144.833338][ T74] netlink_sendmsg+0x723/0xbe0 [ 6144.833338][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6144.833338][ T74] ___sys_sendmsg+0xee/0x170 [ 6144.833338][ T74] __sys_sendmsg+0xcd/0x170 [ 6144.833338][ T74] do_syscall_64+0xc6/0x1e0 [ 6144.833338][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6144.833338][ T74] [ 6144.835052][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6144.835052][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6144.835052][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6144.835052][ T74] ipv6_find_idev+0x102/0x170 [ 6144.835052][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6144.835052][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6144.835052][ T74] netlink_rcv_skb+0x130/0x360 [ 6144.835052][ T74] netlink_unicast+0x449/0x710 [ 6144.835052][ T74] netlink_sendmsg+0x723/0xbe0 [ 6144.835052][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6144.835052][ T74] ___sys_sendmsg+0xee/0x170 [ 6144.835052][ T74] __sys_sendmsg+0xcd/0x170 [ 6144.835052][ T74] do_syscall_64+0xc6/0x1e0 [ 6144.835052][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6144.835052][ T74] [ 6154.935948][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6154.936356][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6154.936356][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6154.936356][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6154.936356][ T74] fib6_nh_init+0xa22/0x1580 [ 6154.936356][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6154.936356][ T74] ip6_route_add+0x1c/0x140 [ 6154.936356][ T74] inet6_rtm_newroute+0x104/0x110 [ 6154.936356][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6154.936356][ T74] netlink_rcv_skb+0x130/0x360 [ 6154.936356][ T74] netlink_unicast+0x449/0x710 [ 6154.936356][ T74] netlink_sendmsg+0x723/0xbe0 [ 6154.936356][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6154.936356][ T74] ___sys_sendmsg+0xee/0x170 [ 6154.936356][ T74] __sys_sendmsg+0xcd/0x170 [ 6154.936356][ T74] do_syscall_64+0xc6/0x1e0 [ 6154.936356][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6154.936356][ T74] [ 6154.938259][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6154.938259][ T74] netdev_get_by_index+0x5e/0x80 [ 6154.938259][ T74] fib6_nh_init+0x3d8/0x1580 [ 6154.938259][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6154.938259][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6154.938259][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6154.938259][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6154.938259][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6154.938259][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6154.938259][ T74] addrconf_dad_begin+0x310/0x670 [ 6154.938259][ T74] addrconf_dad_work+0x10b/0xab0 [ 6154.938259][ T74] process_one_work+0x84d/0x18a0 [ 6154.938259][ T74] worker_thread+0x587/0xd30 [ 6154.938259][ T74] kthread+0x28a/0x350 [ 6154.938259][ T74] ret_from_fork+0x31/0x70 [ 6154.938259][ T74] ret_from_fork_asm+0x1a/0x30 [ 6154.938259][ T74] [ 6154.940171][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6154.940171][ T74] netdev_get_by_index+0x5e/0x80 [ 6154.940171][ T74] fib6_nh_init+0x3d8/0x1580 [ 6154.940171][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6154.940171][ T74] ip6_route_add+0x1c/0x140 [ 6154.940171][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6154.940171][ T74] inet6_addr_add+0x4f8/0xa40 [ 6154.940171][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6154.940171][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6154.940171][ T74] netlink_rcv_skb+0x130/0x360 [ 6154.940171][ T74] netlink_unicast+0x449/0x710 [ 6154.940171][ T74] netlink_sendmsg+0x723/0xbe0 [ 6154.940171][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6154.940171][ T74] ___sys_sendmsg+0xee/0x170 [ 6154.940171][ T74] __sys_sendmsg+0xcd/0x170 [ 6154.940171][ T74] do_syscall_64+0xc6/0x1e0 [ 6154.940171][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6154.940171][ T74] [ 6154.942148][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6154.942148][ T74] netdev_get_by_index+0x5e/0x80 [ 6154.942148][ T74] fib6_nh_init+0x3d8/0x1580 [ 6154.942148][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6154.942148][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6154.942148][ T74] ipv6_add_addr+0x411/0x2000 [ 6154.942148][ T74] inet6_addr_add+0x30e/0xa40 [ 6154.942148][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6154.942148][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6154.942148][ T74] netlink_rcv_skb+0x130/0x360 [ 6154.942148][ T74] netlink_unicast+0x449/0x710 [ 6154.942148][ T74] netlink_sendmsg+0x723/0xbe0 [ 6154.942148][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6154.942148][ T74] ___sys_sendmsg+0xee/0x170 [ 6154.942148][ T74] __sys_sendmsg+0xcd/0x170 [ 6154.942148][ T74] do_syscall_64+0xc6/0x1e0 [ 6154.942148][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6154.942148][ T74] [ 6154.944131][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6154.944131][ T74] netdev_get_by_index+0x5e/0x80 [ 6154.944131][ T74] fib6_nh_init+0x3d8/0x1580 [ 6154.944131][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6154.944131][ T74] ip6_route_add+0x1c/0x140 [ 6154.944131][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6154.944131][ T74] addrconf_add_dev+0xe2/0x170 [ 6154.944131][ T74] inet6_addr_add+0x12f/0xa40 [ 6154.944131][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6154.944131][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6154.944131][ T74] netlink_rcv_skb+0x130/0x360 [ 6154.944131][ T74] netlink_unicast+0x449/0x710 [ 6154.944131][ T74] netlink_sendmsg+0x723/0xbe0 [ 6154.944131][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6154.944131][ T74] ___sys_sendmsg+0xee/0x170 [ 6154.944131][ T74] __sys_sendmsg+0xcd/0x170 [ 6154.944131][ T74] do_syscall_64+0xc6/0x1e0 [ 6154.944131][ T74] [ 6154.946076][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6154.946076][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6154.946076][ T74] ipv6_find_idev+0x102/0x170 [ 6154.946076][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6154.946076][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6154.946076][ T74] netlink_rcv_skb+0x130/0x360 [ 6154.946076][ T74] netlink_unicast+0x449/0x710 [ 6154.946076][ T74] netlink_sendmsg+0x723/0xbe0 [ 6154.946076][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6154.946076][ T74] ___sys_sendmsg+0xee/0x170 [ 6154.946076][ T74] __sys_sendmsg+0xcd/0x170 [ 6154.946076][ T74] do_syscall_64+0xc6/0x1e0 [ 6154.946076][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6154.946076][ T74] [ 6154.947608][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6154.947608][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6154.947608][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6154.947608][ T74] ipv6_find_idev+0x102/0x170 [ 6154.947608][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6154.947608][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6154.947608][ T74] netlink_rcv_skb+0x130/0x360 [ 6154.947608][ T74] netlink_unicast+0x449/0x710 [ 6154.947608][ T74] netlink_sendmsg+0x723/0xbe0 [ 6154.947608][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6154.947608][ T74] ___sys_sendmsg+0xee/0x170 [ 6154.947608][ T74] __sys_sendmsg+0xcd/0x170 [ 6154.947608][ T74] do_syscall_64+0xc6/0x1e0 [ 6154.947608][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6154.947608][ T74] [ 6154.949284][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6154.949561][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6154.949561][ T74] dst_init+0x84/0x4a0 [ 6154.949561][ T74] dst_alloc+0x97/0x150 [ 6154.949561][ T74] ip6_dst_alloc+0x23/0x90 [ 6154.949561][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6154.949561][ T74] ip6_pol_route+0x56f/0x840 [ 6154.949561][ T74] fib6_rule_lookup+0x456/0x630 [ 6154.949561][ T74] ip6_route_input+0x59c/0xa50 [ 6154.949561][ T74] ipv6_rcv+0x397/0x810 [ 6154.949561][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6154.949561][ T74] process_backlog+0x101/0x620 [ 6154.949561][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6154.949561][ T74] net_rx_action+0x495/0xbe0 [ 6154.949561][ T74] __do_softirq+0x1b5/0x7f6 [ 6154.949561][ T74] [ 6154.951200][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6154.951200][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6154.951200][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6154.951200][ T74] fib6_nh_init+0xa22/0x1580 [ 6154.951200][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6154.951200][ T74] ip6_route_add+0x1c/0x140 [ 6154.951200][ T74] inet6_rtm_newroute+0x104/0x110 [ 6154.951200][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6154.951200][ T74] netlink_rcv_skb+0x130/0x360 [ 6154.951200][ T74] netlink_unicast+0x449/0x710 [ 6154.951200][ T74] netlink_sendmsg+0x723/0xbe0 [ 6154.951200][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6154.951200][ T74] ___sys_sendmsg+0xee/0x170 [ 6154.951200][ T74] __sys_sendmsg+0xcd/0x170 [ 6154.951200][ T74] do_syscall_64+0xc6/0x1e0 [ 6154.951200][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6154.951200][ T74] [ 6154.953057][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6154.953057][ T74] netdev_get_by_index+0x5e/0x80 [ 6154.953057][ T74] fib6_nh_init+0x3d8/0x1580 [ 6154.953057][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6154.953057][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6154.953057][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6154.953057][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6154.953057][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6154.953057][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6154.953057][ T74] addrconf_dad_begin+0x310/0x670 [ 6154.953057][ T74] addrconf_dad_work+0x10b/0xab0 [ 6154.953057][ T74] process_one_work+0x84d/0x18a0 [ 6154.953057][ T74] worker_thread+0x587/0xd30 [ 6154.953057][ T74] kthread+0x28a/0x350 [ 6154.953057][ T74] ret_from_fork+0x31/0x70 [ 6154.953057][ T74] ret_from_fork_asm+0x1a/0x30 [ 6154.953057][ T74] [ 6154.955055][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6154.955055][ T74] netdev_get_by_index+0x5e/0x80 [ 6154.955055][ T74] fib6_nh_init+0x3d8/0x1580 [ 6154.955055][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6154.955055][ T74] ip6_route_add+0x1c/0x140 [ 6154.955055][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6154.955055][ T74] inet6_addr_add+0x4f8/0xa40 [ 6154.955055][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6154.955055][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6154.955055][ T74] netlink_rcv_skb+0x130/0x360 [ 6154.955055][ T74] netlink_unicast+0x449/0x710 [ 6154.955055][ T74] netlink_sendmsg+0x723/0xbe0 [ 6154.955055][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6154.955055][ T74] ___sys_sendmsg+0xee/0x170 [ 6154.955055][ T74] __sys_sendmsg+0xcd/0x170 [ 6154.955055][ T74] do_syscall_64+0xc6/0x1e0 [ 6154.955055][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6154.955055][ T74] [ 6154.957043][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6154.957043][ T74] netdev_get_by_index+0x5e/0x80 [ 6154.957043][ T74] fib6_nh_init+0x3d8/0x1580 [ 6154.957043][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6154.957043][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6154.957043][ T74] ipv6_add_addr+0x411/0x2000 [ 6154.957043][ T74] inet6_addr_add+0x30e/0xa40 [ 6154.957043][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6154.957043][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6154.957043][ T74] netlink_rcv_skb+0x130/0x360 [ 6154.957043][ T74] netlink_unicast+0x449/0x710 [ 6154.957043][ T74] netlink_sendmsg+0x723/0xbe0 [ 6154.957043][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6154.957043][ T74] ___sys_sendmsg+0xee/0x170 [ 6154.957043][ T74] __sys_sendmsg+0xcd/0x170 [ 6154.957043][ T74] do_syscall_64+0xc6/0x1e0 [ 6154.957043][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6154.957043][ T74] [ 6154.959032][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6154.959032][ T74] netdev_get_by_index+0x5e/0x80 [ 6154.959032][ T74] fib6_nh_init+0x3d8/0x1580 [ 6154.959032][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6154.959032][ T74] ip6_route_add+0x1c/0x140 [ 6154.959032][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6154.959032][ T74] addrconf_add_dev+0xe2/0x170 [ 6154.959032][ T74] inet6_addr_add+0x12f/0xa40 [ 6154.959032][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6154.959032][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6154.959032][ T74] netlink_rcv_skb+0x130/0x360 [ 6154.959032][ T74] netlink_unicast+0x449/0x710 [ 6154.959032][ T74] netlink_sendmsg+0x723/0xbe0 [ 6154.959032][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6154.959032][ T74] ___sys_sendmsg+0xee/0x170 [ 6154.959032][ T74] __sys_sendmsg+0xcd/0x170 [ 6154.959032][ T74] do_syscall_64+0xc6/0x1e0 [ 6154.959032][ T74] [ 6154.960980][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6154.960980][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6154.960980][ T74] ipv6_find_idev+0x102/0x170 [ 6154.960980][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6154.960980][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6154.960980][ T74] netlink_rcv_skb+0x130/0x360 [ 6154.960980][ T74] netlink_unicast+0x449/0x710 [ 6154.960980][ T74] netlink_sendmsg+0x723/0xbe0 [ 6154.960980][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6154.960980][ T74] ___sys_sendmsg+0xee/0x170 [ 6154.960980][ T74] __sys_sendmsg+0xcd/0x170 [ 6154.960980][ T74] do_syscall_64+0xc6/0x1e0 [ 6154.960980][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6154.960980][ T74] [ 6154.962635][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6154.962635][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6154.962635][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6154.962635][ T74] ipv6_find_idev+0x102/0x170 [ 6154.962635][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6154.962635][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6154.962635][ T74] netlink_rcv_skb+0x130/0x360 [ 6154.962635][ T74] netlink_unicast+0x449/0x710 [ 6154.962635][ T74] netlink_sendmsg+0x723/0xbe0 [ 6154.962635][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6154.962635][ T74] ___sys_sendmsg+0xee/0x170 [ 6154.962635][ T74] __sys_sendmsg+0xcd/0x170 [ 6154.962635][ T74] do_syscall_64+0xc6/0x1e0 [ 6154.962635][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6154.962635][ T74] [ 6154.964550][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6154.964790][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6154.964790][ T74] netdev_get_by_index+0x5e/0x80 [ 6154.964790][ T74] fib6_nh_init+0x3d8/0x1580 [ 6154.964790][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6154.964790][ T74] ip6_route_add+0x1c/0x140 [ 6154.964790][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6154.964790][ T74] inet6_addr_add+0x4f8/0xa40 [ 6154.964790][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6154.964790][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6154.964790][ T74] netlink_rcv_skb+0x130/0x360 [ 6154.964790][ T74] netlink_unicast+0x449/0x710 [ 6154.964790][ T74] netlink_sendmsg+0x723/0xbe0 [ 6154.964790][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6154.964790][ T74] ___sys_sendmsg+0xee/0x170 [ 6154.964790][ T74] __sys_sendmsg+0xcd/0x170 [ 6154.964790][ T74] do_syscall_64+0xc6/0x1e0 [ 6154.964790][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6154.964790][ T74] [ 6154.967023][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6154.967023][ T74] netdev_get_by_index+0x5e/0x80 [ 6154.967023][ T74] fib6_nh_init+0x3d8/0x1580 [ 6154.967023][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6154.967023][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6154.967023][ T74] ipv6_add_addr+0x411/0x2000 [ 6154.967023][ T74] inet6_addr_add+0x30e/0xa40 [ 6154.967023][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6154.967023][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6154.967023][ T74] netlink_rcv_skb+0x130/0x360 [ 6154.967023][ T74] netlink_unicast+0x449/0x710 [ 6154.967023][ T74] netlink_sendmsg+0x723/0xbe0 [ 6154.967023][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6154.967023][ T74] ___sys_sendmsg+0xee/0x170 [ 6154.967023][ T74] __sys_sendmsg+0xcd/0x170 [ 6154.967023][ T74] do_syscall_64+0xc6/0x1e0 [ 6154.967023][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6154.967023][ T74] [ 6154.969245][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6154.969245][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6154.969245][ T74] ipv6_find_idev+0x102/0x170 [ 6154.969245][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6154.969245][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6154.969245][ T74] netlink_rcv_skb+0x130/0x360 [ 6154.969245][ T74] netlink_unicast+0x449/0x710 [ 6154.969245][ T74] netlink_sendmsg+0x723/0xbe0 [ 6154.969245][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6154.969245][ T74] ___sys_sendmsg+0xee/0x170 [ 6154.969245][ T74] __sys_sendmsg+0xcd/0x170 [ 6154.969245][ T74] do_syscall_64+0xc6/0x1e0 [ 6154.969245][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6154.969245][ T74] [ 6154.971533][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6154.971533][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6154.971533][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6154.971533][ T74] ipv6_find_idev+0x102/0x170 [ 6154.971533][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6154.971533][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6154.971533][ T74] netlink_rcv_skb+0x130/0x360 [ 6154.971533][ T74] netlink_unicast+0x449/0x710 [ 6154.971533][ T74] netlink_sendmsg+0x723/0xbe0 [ 6154.971533][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6154.971533][ T74] ___sys_sendmsg+0xee/0x170 [ 6154.971533][ T74] __sys_sendmsg+0xcd/0x170 [ 6154.971533][ T74] do_syscall_64+0xc6/0x1e0 [ 6154.971533][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6154.971533][ T74] [ 6165.215974][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6165.216390][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6165.216390][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6165.216390][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6165.216390][ T74] fib6_nh_init+0xa22/0x1580 [ 6165.216390][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6165.216390][ T74] ip6_route_add+0x1c/0x140 [ 6165.216390][ T74] inet6_rtm_newroute+0x104/0x110 [ 6165.216390][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6165.216390][ T74] netlink_rcv_skb+0x130/0x360 [ 6165.216390][ T74] netlink_unicast+0x449/0x710 [ 6165.216390][ T74] netlink_sendmsg+0x723/0xbe0 [ 6165.216390][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6165.216390][ T74] ___sys_sendmsg+0xee/0x170 [ 6165.216390][ T74] __sys_sendmsg+0xcd/0x170 [ 6165.216390][ T74] do_syscall_64+0xc6/0x1e0 [ 6165.216390][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6165.216390][ T74] [ 6165.218288][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6165.218288][ T74] netdev_get_by_index+0x5e/0x80 [ 6165.218288][ T74] fib6_nh_init+0x3d8/0x1580 [ 6165.218288][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6165.218288][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6165.218288][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6165.218288][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6165.218288][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6165.218288][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6165.218288][ T74] addrconf_dad_begin+0x310/0x670 [ 6165.218288][ T74] addrconf_dad_work+0x10b/0xab0 [ 6165.218288][ T74] process_one_work+0x84d/0x18a0 [ 6165.218288][ T74] worker_thread+0x587/0xd30 [ 6165.218288][ T74] kthread+0x28a/0x350 [ 6165.218288][ T74] ret_from_fork+0x31/0x70 [ 6165.218288][ T74] ret_from_fork_asm+0x1a/0x30 [ 6165.218288][ T74] [ 6165.220208][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6165.220208][ T74] netdev_get_by_index+0x5e/0x80 [ 6165.220208][ T74] fib6_nh_init+0x3d8/0x1580 [ 6165.220208][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6165.220208][ T74] ip6_route_add+0x1c/0x140 [ 6165.220208][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6165.220208][ T74] inet6_addr_add+0x4f8/0xa40 [ 6165.220208][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6165.220208][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6165.220208][ T74] netlink_rcv_skb+0x130/0x360 [ 6165.220208][ T74] netlink_unicast+0x449/0x710 [ 6165.220208][ T74] netlink_sendmsg+0x723/0xbe0 [ 6165.220208][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6165.220208][ T74] ___sys_sendmsg+0xee/0x170 [ 6165.220208][ T74] __sys_sendmsg+0xcd/0x170 [ 6165.220208][ T74] do_syscall_64+0xc6/0x1e0 [ 6165.220208][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6165.220208][ T74] [ 6165.222202][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6165.222202][ T74] netdev_get_by_index+0x5e/0x80 [ 6165.222202][ T74] fib6_nh_init+0x3d8/0x1580 [ 6165.222202][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6165.222202][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6165.222202][ T74] ipv6_add_addr+0x411/0x2000 [ 6165.222202][ T74] inet6_addr_add+0x30e/0xa40 [ 6165.222202][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6165.222202][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6165.222202][ T74] netlink_rcv_skb+0x130/0x360 [ 6165.222202][ T74] netlink_unicast+0x449/0x710 [ 6165.222202][ T74] netlink_sendmsg+0x723/0xbe0 [ 6165.222202][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6165.222202][ T74] ___sys_sendmsg+0xee/0x170 [ 6165.222202][ T74] __sys_sendmsg+0xcd/0x170 [ 6165.222202][ T74] do_syscall_64+0xc6/0x1e0 [ 6165.222202][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6165.222202][ T74] [ 6165.224277][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6165.224277][ T74] netdev_get_by_index+0x5e/0x80 [ 6165.224277][ T74] fib6_nh_init+0x3d8/0x1580 [ 6165.224277][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6165.224277][ T74] ip6_route_add+0x1c/0x140 [ 6165.224277][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6165.224277][ T74] addrconf_add_dev+0xe2/0x170 [ 6165.224277][ T74] inet6_addr_add+0x12f/0xa40 [ 6165.224277][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6165.224277][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6165.224277][ T74] netlink_rcv_skb+0x130/0x360 [ 6165.224277][ T74] netlink_unicast+0x449/0x710 [ 6165.224277][ T74] netlink_sendmsg+0x723/0xbe0 [ 6165.224277][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6165.224277][ T74] ___sys_sendmsg+0xee/0x170 [ 6165.224277][ T74] __sys_sendmsg+0xcd/0x170 [ 6165.224277][ T74] do_syscall_64+0xc6/0x1e0 [ 6165.224277][ T74] [ 6165.226238][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6165.226238][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6165.226238][ T74] ipv6_find_idev+0x102/0x170 [ 6165.226238][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6165.226238][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6165.226238][ T74] netlink_rcv_skb+0x130/0x360 [ 6165.226238][ T74] netlink_unicast+0x449/0x710 [ 6165.226238][ T74] netlink_sendmsg+0x723/0xbe0 [ 6165.226238][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6165.226238][ T74] ___sys_sendmsg+0xee/0x170 [ 6165.226238][ T74] __sys_sendmsg+0xcd/0x170 [ 6165.226238][ T74] do_syscall_64+0xc6/0x1e0 [ 6165.226238][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6165.226238][ T74] [ 6165.227768][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6165.227768][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6165.227768][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6165.227768][ T74] ipv6_find_idev+0x102/0x170 [ 6165.227768][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6165.227768][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6165.227768][ T74] netlink_rcv_skb+0x130/0x360 [ 6165.227768][ T74] netlink_unicast+0x449/0x710 [ 6165.227768][ T74] netlink_sendmsg+0x723/0xbe0 [ 6165.227768][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6165.227768][ T74] ___sys_sendmsg+0xee/0x170 [ 6165.227768][ T74] __sys_sendmsg+0xcd/0x170 [ 6165.227768][ T74] do_syscall_64+0xc6/0x1e0 [ 6165.227768][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6165.227768][ T74] [ 6165.229456][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6165.229748][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6165.229748][ T74] dst_init+0x84/0x4a0 [ 6165.229748][ T74] dst_alloc+0x97/0x150 [ 6165.229748][ T74] ip6_dst_alloc+0x23/0x90 [ 6165.229748][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6165.229748][ T74] ip6_pol_route+0x56f/0x840 [ 6165.229748][ T74] fib6_rule_lookup+0x456/0x630 [ 6165.229748][ T74] ip6_route_input+0x59c/0xa50 [ 6165.229748][ T74] ipv6_rcv+0x397/0x810 [ 6165.229748][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6165.229748][ T74] process_backlog+0x101/0x620 [ 6165.229748][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6165.229748][ T74] net_rx_action+0x495/0xbe0 [ 6165.229748][ T74] __do_softirq+0x1b5/0x7f6 [ 6165.229748][ T74] [ 6165.231397][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6165.231397][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6165.231397][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6165.231397][ T74] fib6_nh_init+0xa22/0x1580 [ 6165.231397][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6165.231397][ T74] ip6_route_add+0x1c/0x140 [ 6165.231397][ T74] inet6_rtm_newroute+0x104/0x110 [ 6165.231397][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6165.231397][ T74] netlink_rcv_skb+0x130/0x360 [ 6165.231397][ T74] netlink_unicast+0x449/0x710 [ 6165.231397][ T74] netlink_sendmsg+0x723/0xbe0 [ 6165.231397][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6165.231397][ T74] ___sys_sendmsg+0xee/0x170 [ 6165.231397][ T74] __sys_sendmsg+0xcd/0x170 [ 6165.231397][ T74] do_syscall_64+0xc6/0x1e0 [ 6165.231397][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6165.231397][ T74] [ 6165.233250][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6165.233250][ T74] netdev_get_by_index+0x5e/0x80 [ 6165.233250][ T74] fib6_nh_init+0x3d8/0x1580 [ 6165.233250][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6165.233250][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6165.233250][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6165.233250][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6165.233250][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6165.233250][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6165.233250][ T74] addrconf_dad_begin+0x310/0x670 [ 6165.233250][ T74] addrconf_dad_work+0x10b/0xab0 [ 6165.233250][ T74] process_one_work+0x84d/0x18a0 [ 6165.233250][ T74] worker_thread+0x587/0xd30 [ 6165.233250][ T74] kthread+0x28a/0x350 [ 6165.233250][ T74] ret_from_fork+0x31/0x70 [ 6165.233250][ T74] ret_from_fork_asm+0x1a/0x30 [ 6165.233250][ T74] [ 6165.235135][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6165.235135][ T74] netdev_get_by_index+0x5e/0x80 [ 6165.235135][ T74] fib6_nh_init+0x3d8/0x1580 [ 6165.235135][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6165.235135][ T74] ip6_route_add+0x1c/0x140 [ 6165.235135][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6165.235135][ T74] inet6_addr_add+0x4f8/0xa40 [ 6165.235135][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6165.235135][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6165.235135][ T74] netlink_rcv_skb+0x130/0x360 [ 6165.235135][ T74] netlink_unicast+0x449/0x710 [ 6165.235135][ T74] netlink_sendmsg+0x723/0xbe0 [ 6165.235135][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6165.235135][ T74] ___sys_sendmsg+0xee/0x170 [ 6165.235135][ T74] __sys_sendmsg+0xcd/0x170 [ 6165.235135][ T74] do_syscall_64+0xc6/0x1e0 [ 6165.235135][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6165.235135][ T74] [ 6165.237114][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6165.237114][ T74] netdev_get_by_index+0x5e/0x80 [ 6165.237114][ T74] fib6_nh_init+0x3d8/0x1580 [ 6165.237114][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6165.237114][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6165.237114][ T74] ipv6_add_addr+0x411/0x2000 [ 6165.237114][ T74] inet6_addr_add+0x30e/0xa40 [ 6165.237114][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6165.237114][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6165.237114][ T74] netlink_rcv_skb+0x130/0x360 [ 6165.237114][ T74] netlink_unicast+0x449/0x710 [ 6165.237114][ T74] netlink_sendmsg+0x723/0xbe0 [ 6165.237114][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6165.237114][ T74] ___sys_sendmsg+0xee/0x170 [ 6165.237114][ T74] __sys_sendmsg+0xcd/0x170 [ 6165.237114][ T74] do_syscall_64+0xc6/0x1e0 [ 6165.237114][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6165.237114][ T74] [ 6165.239091][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6165.239091][ T74] netdev_get_by_index+0x5e/0x80 [ 6165.239091][ T74] fib6_nh_init+0x3d8/0x1580 [ 6165.239091][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6165.239091][ T74] ip6_route_add+0x1c/0x140 [ 6165.239091][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6165.239091][ T74] addrconf_add_dev+0xe2/0x170 [ 6165.239091][ T74] inet6_addr_add+0x12f/0xa40 [ 6165.239091][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6165.239091][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6165.239091][ T74] netlink_rcv_skb+0x130/0x360 [ 6165.239091][ T74] netlink_unicast+0x449/0x710 [ 6165.239091][ T74] netlink_sendmsg+0x723/0xbe0 [ 6165.239091][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6165.239091][ T74] ___sys_sendmsg+0xee/0x170 [ 6165.239091][ T74] __sys_sendmsg+0xcd/0x170 [ 6165.239091][ T74] do_syscall_64+0xc6/0x1e0 [ 6165.239091][ T74] [ 6165.241031][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6165.241031][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6165.241031][ T74] ipv6_find_idev+0x102/0x170 [ 6165.241031][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6165.241031][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6165.241031][ T74] netlink_rcv_skb+0x130/0x360 [ 6165.241031][ T74] netlink_unicast+0x449/0x710 [ 6165.241031][ T74] netlink_sendmsg+0x723/0xbe0 [ 6165.241031][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6165.241031][ T74] ___sys_sendmsg+0xee/0x170 [ 6165.241031][ T74] __sys_sendmsg+0xcd/0x170 [ 6165.241031][ T74] do_syscall_64+0xc6/0x1e0 [ 6165.241031][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6165.241031][ T74] [ 6165.242683][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6165.242683][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6165.242683][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6165.242683][ T74] ipv6_find_idev+0x102/0x170 [ 6165.242683][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6165.242683][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6165.242683][ T74] netlink_rcv_skb+0x130/0x360 [ 6165.242683][ T74] netlink_unicast+0x449/0x710 [ 6165.242683][ T74] netlink_sendmsg+0x723/0xbe0 [ 6165.242683][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6165.242683][ T74] ___sys_sendmsg+0xee/0x170 [ 6165.242683][ T74] __sys_sendmsg+0xcd/0x170 [ 6165.242683][ T74] do_syscall_64+0xc6/0x1e0 [ 6165.242683][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6165.242683][ T74] [ 6165.244665][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6165.244917][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6165.244917][ T74] netdev_get_by_index+0x5e/0x80 [ 6165.244917][ T74] fib6_nh_init+0x3d8/0x1580 [ 6165.244917][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6165.244917][ T74] ip6_route_add+0x1c/0x140 [ 6165.244917][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6165.244917][ T74] inet6_addr_add+0x4f8/0xa40 [ 6165.244917][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6165.244917][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6165.244917][ T74] netlink_rcv_skb+0x130/0x360 [ 6165.244917][ T74] netlink_unicast+0x449/0x710 [ 6165.244917][ T74] netlink_sendmsg+0x723/0xbe0 [ 6165.244917][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6165.244917][ T74] ___sys_sendmsg+0xee/0x170 [ 6165.244917][ T74] __sys_sendmsg+0xcd/0x170 [ 6165.244917][ T74] do_syscall_64+0xc6/0x1e0 [ 6165.244917][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6165.244917][ T74] [ 6165.247144][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6165.247144][ T74] netdev_get_by_index+0x5e/0x80 [ 6165.247144][ T74] fib6_nh_init+0x3d8/0x1580 [ 6165.247144][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6165.247144][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6165.247144][ T74] ipv6_add_addr+0x411/0x2000 [ 6165.247144][ T74] inet6_addr_add+0x30e/0xa40 [ 6165.247144][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6165.247144][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6165.247144][ T74] netlink_rcv_skb+0x130/0x360 [ 6165.247144][ T74] netlink_unicast+0x449/0x710 [ 6165.247144][ T74] netlink_sendmsg+0x723/0xbe0 [ 6165.247144][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6165.247144][ T74] ___sys_sendmsg+0xee/0x170 [ 6165.247144][ T74] __sys_sendmsg+0xcd/0x170 [ 6165.247144][ T74] do_syscall_64+0xc6/0x1e0 [ 6165.247144][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6165.247144][ T74] [ 6165.249361][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6165.249361][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6165.249361][ T74] ipv6_find_idev+0x102/0x170 [ 6165.249361][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6165.249361][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6165.249361][ T74] netlink_rcv_skb+0x130/0x360 [ 6165.249361][ T74] netlink_unicast+0x449/0x710 [ 6165.249361][ T74] netlink_sendmsg+0x723/0xbe0 [ 6165.249361][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6165.249361][ T74] ___sys_sendmsg+0xee/0x170 [ 6165.249361][ T74] __sys_sendmsg+0xcd/0x170 [ 6165.249361][ T74] do_syscall_64+0xc6/0x1e0 [ 6165.249361][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6165.249361][ T74] [ 6165.251014][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6165.251014][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6165.251014][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6165.251014][ T74] ipv6_find_idev+0x102/0x170 [ 6165.251014][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6165.251014][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6165.251014][ T74] netlink_rcv_skb+0x130/0x360 [ 6165.251014][ T74] netlink_unicast+0x449/0x710 [ 6165.251014][ T74] netlink_sendmsg+0x723/0xbe0 [ 6165.251014][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6165.251014][ T74] ___sys_sendmsg+0xee/0x170 [ 6165.251014][ T74] __sys_sendmsg+0xcd/0x170 [ 6165.251014][ T74] do_syscall_64+0xc6/0x1e0 [ 6165.251014][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6165.251014][ T74] [ 6175.495951][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6175.496367][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6175.496367][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6175.496367][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6175.496367][ T74] fib6_nh_init+0xa22/0x1580 [ 6175.496367][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6175.496367][ T74] ip6_route_add+0x1c/0x140 [ 6175.496367][ T74] inet6_rtm_newroute+0x104/0x110 [ 6175.496367][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6175.496367][ T74] netlink_rcv_skb+0x130/0x360 [ 6175.496367][ T74] netlink_unicast+0x449/0x710 [ 6175.496367][ T74] netlink_sendmsg+0x723/0xbe0 [ 6175.496367][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6175.496367][ T74] ___sys_sendmsg+0xee/0x170 [ 6175.496367][ T74] __sys_sendmsg+0xcd/0x170 [ 6175.496367][ T74] do_syscall_64+0xc6/0x1e0 [ 6175.496367][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6175.496367][ T74] [ 6175.498262][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6175.498262][ T74] netdev_get_by_index+0x5e/0x80 [ 6175.498262][ T74] fib6_nh_init+0x3d8/0x1580 [ 6175.498262][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6175.498262][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6175.498262][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6175.498262][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6175.498262][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6175.498262][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6175.498262][ T74] addrconf_dad_begin+0x310/0x670 [ 6175.498262][ T74] addrconf_dad_work+0x10b/0xab0 [ 6175.498262][ T74] process_one_work+0x84d/0x18a0 [ 6175.498262][ T74] worker_thread+0x587/0xd30 [ 6175.498262][ T74] kthread+0x28a/0x350 [ 6175.498262][ T74] ret_from_fork+0x31/0x70 [ 6175.498262][ T74] ret_from_fork_asm+0x1a/0x30 [ 6175.498262][ T74] [ 6175.500165][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6175.500165][ T74] netdev_get_by_index+0x5e/0x80 [ 6175.500165][ T74] fib6_nh_init+0x3d8/0x1580 [ 6175.500165][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6175.500165][ T74] ip6_route_add+0x1c/0x140 [ 6175.500165][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6175.500165][ T74] inet6_addr_add+0x4f8/0xa40 [ 6175.500165][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6175.500165][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6175.500165][ T74] netlink_rcv_skb+0x130/0x360 [ 6175.500165][ T74] netlink_unicast+0x449/0x710 [ 6175.500165][ T74] netlink_sendmsg+0x723/0xbe0 [ 6175.500165][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6175.500165][ T74] ___sys_sendmsg+0xee/0x170 [ 6175.500165][ T74] __sys_sendmsg+0xcd/0x170 [ 6175.500165][ T74] do_syscall_64+0xc6/0x1e0 [ 6175.500165][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6175.500165][ T74] [ 6175.502142][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6175.502142][ T74] netdev_get_by_index+0x5e/0x80 [ 6175.502142][ T74] fib6_nh_init+0x3d8/0x1580 [ 6175.502142][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6175.502142][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6175.502142][ T74] ipv6_add_addr+0x411/0x2000 [ 6175.502142][ T74] inet6_addr_add+0x30e/0xa40 [ 6175.502142][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6175.502142][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6175.502142][ T74] netlink_rcv_skb+0x130/0x360 [ 6175.502142][ T74] netlink_unicast+0x449/0x710 [ 6175.502142][ T74] netlink_sendmsg+0x723/0xbe0 [ 6175.502142][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6175.502142][ T74] ___sys_sendmsg+0xee/0x170 [ 6175.502142][ T74] __sys_sendmsg+0xcd/0x170 [ 6175.502142][ T74] do_syscall_64+0xc6/0x1e0 [ 6175.502142][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6175.502142][ T74] [ 6175.504129][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6175.504129][ T74] netdev_get_by_index+0x5e/0x80 [ 6175.504129][ T74] fib6_nh_init+0x3d8/0x1580 [ 6175.504129][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6175.504129][ T74] ip6_route_add+0x1c/0x140 [ 6175.504129][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6175.504129][ T74] addrconf_add_dev+0xe2/0x170 [ 6175.504129][ T74] inet6_addr_add+0x12f/0xa40 [ 6175.504129][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6175.504129][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6175.504129][ T74] netlink_rcv_skb+0x130/0x360 [ 6175.504129][ T74] netlink_unicast+0x449/0x710 [ 6175.504129][ T74] netlink_sendmsg+0x723/0xbe0 [ 6175.504129][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6175.504129][ T74] ___sys_sendmsg+0xee/0x170 [ 6175.504129][ T74] __sys_sendmsg+0xcd/0x170 [ 6175.504129][ T74] do_syscall_64+0xc6/0x1e0 [ 6175.504129][ T74] [ 6175.506080][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6175.506080][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6175.506080][ T74] ipv6_find_idev+0x102/0x170 [ 6175.506080][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6175.506080][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6175.506080][ T74] netlink_rcv_skb+0x130/0x360 [ 6175.506080][ T74] netlink_unicast+0x449/0x710 [ 6175.506080][ T74] netlink_sendmsg+0x723/0xbe0 [ 6175.506080][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6175.506080][ T74] ___sys_sendmsg+0xee/0x170 [ 6175.506080][ T74] __sys_sendmsg+0xcd/0x170 [ 6175.506080][ T74] do_syscall_64+0xc6/0x1e0 [ 6175.506080][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6175.506080][ T74] [ 6175.507611][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6175.507611][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6175.507611][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6175.507611][ T74] ipv6_find_idev+0x102/0x170 [ 6175.507611][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6175.507611][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6175.507611][ T74] netlink_rcv_skb+0x130/0x360 [ 6175.507611][ T74] netlink_unicast+0x449/0x710 [ 6175.507611][ T74] netlink_sendmsg+0x723/0xbe0 [ 6175.507611][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6175.507611][ T74] ___sys_sendmsg+0xee/0x170 [ 6175.507611][ T74] __sys_sendmsg+0xcd/0x170 [ 6175.507611][ T74] do_syscall_64+0xc6/0x1e0 [ 6175.507611][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6175.507611][ T74] [ 6175.509290][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6175.509574][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6175.509574][ T74] dst_init+0x84/0x4a0 [ 6175.509574][ T74] dst_alloc+0x97/0x150 [ 6175.509574][ T74] ip6_dst_alloc+0x23/0x90 [ 6175.509574][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6175.509574][ T74] ip6_pol_route+0x56f/0x840 [ 6175.509574][ T74] fib6_rule_lookup+0x456/0x630 [ 6175.509574][ T74] ip6_route_input+0x59c/0xa50 [ 6175.509574][ T74] ipv6_rcv+0x397/0x810 [ 6175.509574][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6175.509574][ T74] process_backlog+0x101/0x620 [ 6175.509574][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6175.509574][ T74] net_rx_action+0x495/0xbe0 [ 6175.509574][ T74] __do_softirq+0x1b5/0x7f6 [ 6175.509574][ T74] [ 6175.511214][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6175.511214][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6175.511214][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6175.511214][ T74] fib6_nh_init+0xa22/0x1580 [ 6175.511214][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6175.511214][ T74] ip6_route_add+0x1c/0x140 [ 6175.511214][ T74] inet6_rtm_newroute+0x104/0x110 [ 6175.511214][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6175.511214][ T74] netlink_rcv_skb+0x130/0x360 [ 6175.511214][ T74] netlink_unicast+0x449/0x710 [ 6175.511214][ T74] netlink_sendmsg+0x723/0xbe0 [ 6175.511214][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6175.511214][ T74] ___sys_sendmsg+0xee/0x170 [ 6175.511214][ T74] __sys_sendmsg+0xcd/0x170 [ 6175.511214][ T74] do_syscall_64+0xc6/0x1e0 [ 6175.511214][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6175.511214][ T74] [ 6175.513162][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6175.513162][ T74] netdev_get_by_index+0x5e/0x80 [ 6175.513162][ T74] fib6_nh_init+0x3d8/0x1580 [ 6175.513162][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6175.513162][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6175.513162][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6175.513162][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6175.513162][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6175.513162][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6175.513162][ T74] addrconf_dad_begin+0x310/0x670 [ 6175.513162][ T74] addrconf_dad_work+0x10b/0xab0 [ 6175.513162][ T74] process_one_work+0x84d/0x18a0 [ 6175.513162][ T74] worker_thread+0x587/0xd30 [ 6175.513162][ T74] kthread+0x28a/0x350 [ 6175.513162][ T74] ret_from_fork+0x31/0x70 [ 6175.513162][ T74] ret_from_fork_asm+0x1a/0x30 [ 6175.513162][ T74] [ 6175.515112][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6175.515112][ T74] netdev_get_by_index+0x5e/0x80 [ 6175.515112][ T74] fib6_nh_init+0x3d8/0x1580 [ 6175.515112][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6175.515112][ T74] ip6_route_add+0x1c/0x140 [ 6175.515112][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6175.515112][ T74] inet6_addr_add+0x4f8/0xa40 [ 6175.515112][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6175.515112][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6175.515112][ T74] netlink_rcv_skb+0x130/0x360 [ 6175.515112][ T74] netlink_unicast+0x449/0x710 [ 6175.515112][ T74] netlink_sendmsg+0x723/0xbe0 [ 6175.515112][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6175.515112][ T74] ___sys_sendmsg+0xee/0x170 [ 6175.515112][ T74] __sys_sendmsg+0xcd/0x170 [ 6175.515112][ T74] do_syscall_64+0xc6/0x1e0 [ 6175.515112][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6175.515112][ T74] [ 6175.517111][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6175.517111][ T74] netdev_get_by_index+0x5e/0x80 [ 6175.517111][ T74] fib6_nh_init+0x3d8/0x1580 [ 6175.517111][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6175.517111][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6175.517111][ T74] ipv6_add_addr+0x411/0x2000 [ 6175.517111][ T74] inet6_addr_add+0x30e/0xa40 [ 6175.517111][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6175.517111][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6175.517111][ T74] netlink_rcv_skb+0x130/0x360 [ 6175.517111][ T74] netlink_unicast+0x449/0x710 [ 6175.517111][ T74] netlink_sendmsg+0x723/0xbe0 [ 6175.517111][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6175.517111][ T74] ___sys_sendmsg+0xee/0x170 [ 6175.517111][ T74] __sys_sendmsg+0xcd/0x170 [ 6175.517111][ T74] do_syscall_64+0xc6/0x1e0 [ 6175.517111][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6175.517111][ T74] [ 6175.519103][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6175.519103][ T74] netdev_get_by_index+0x5e/0x80 [ 6175.519103][ T74] fib6_nh_init+0x3d8/0x1580 [ 6175.519103][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6175.519103][ T74] ip6_route_add+0x1c/0x140 [ 6175.519103][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6175.519103][ T74] addrconf_add_dev+0xe2/0x170 [ 6175.519103][ T74] inet6_addr_add+0x12f/0xa40 [ 6175.519103][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6175.519103][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6175.519103][ T74] netlink_rcv_skb+0x130/0x360 [ 6175.519103][ T74] netlink_unicast+0x449/0x710 [ 6175.519103][ T74] netlink_sendmsg+0x723/0xbe0 [ 6175.519103][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6175.519103][ T74] ___sys_sendmsg+0xee/0x170 [ 6175.519103][ T74] __sys_sendmsg+0xcd/0x170 [ 6175.519103][ T74] do_syscall_64+0xc6/0x1e0 [ 6175.519103][ T74] [ 6175.521074][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6175.521074][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6175.521074][ T74] ipv6_find_idev+0x102/0x170 [ 6175.521074][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6175.521074][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6175.521074][ T74] netlink_rcv_skb+0x130/0x360 [ 6175.521074][ T74] netlink_unicast+0x449/0x710 [ 6175.521074][ T74] netlink_sendmsg+0x723/0xbe0 [ 6175.521074][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6175.521074][ T74] ___sys_sendmsg+0xee/0x170 [ 6175.521074][ T74] __sys_sendmsg+0xcd/0x170 [ 6175.521074][ T74] do_syscall_64+0xc6/0x1e0 [ 6175.521074][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6175.521074][ T74] [ 6175.522679][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6175.522679][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6175.522679][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6175.522679][ T74] ipv6_find_idev+0x102/0x170 [ 6175.522679][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6175.522679][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6175.522679][ T74] netlink_rcv_skb+0x130/0x360 [ 6175.522679][ T74] netlink_unicast+0x449/0x710 [ 6175.522679][ T74] netlink_sendmsg+0x723/0xbe0 [ 6175.522679][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6175.522679][ T74] ___sys_sendmsg+0xee/0x170 [ 6175.522679][ T74] __sys_sendmsg+0xcd/0x170 [ 6175.522679][ T74] do_syscall_64+0xc6/0x1e0 [ 6175.522679][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6175.522679][ T74] [ 6175.524439][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6175.524683][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6175.524683][ T74] netdev_get_by_index+0x5e/0x80 [ 6175.524683][ T74] fib6_nh_init+0x3d8/0x1580 [ 6175.524683][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6175.524683][ T74] ip6_route_add+0x1c/0x140 [ 6175.524683][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6175.524683][ T74] inet6_addr_add+0x4f8/0xa40 [ 6175.524683][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6175.524683][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6175.524683][ T74] netlink_rcv_skb+0x130/0x360 [ 6175.524683][ T74] netlink_unicast+0x449/0x710 [ 6175.524683][ T74] netlink_sendmsg+0x723/0xbe0 [ 6175.524683][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6175.524683][ T74] ___sys_sendmsg+0xee/0x170 [ 6175.524683][ T74] __sys_sendmsg+0xcd/0x170 [ 6175.524683][ T74] do_syscall_64+0xc6/0x1e0 [ 6175.524683][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6175.524683][ T74] [ 6175.526810][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6175.526810][ T74] netdev_get_by_index+0x5e/0x80 [ 6175.526810][ T74] fib6_nh_init+0x3d8/0x1580 [ 6175.526810][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6175.526810][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6175.526810][ T74] ipv6_add_addr+0x411/0x2000 [ 6175.526810][ T74] inet6_addr_add+0x30e/0xa40 [ 6175.526810][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6175.526810][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6175.526810][ T74] netlink_rcv_skb+0x130/0x360 [ 6175.526810][ T74] netlink_unicast+0x449/0x710 [ 6175.526810][ T74] netlink_sendmsg+0x723/0xbe0 [ 6175.526810][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6175.526810][ T74] ___sys_sendmsg+0xee/0x170 [ 6175.526810][ T74] __sys_sendmsg+0xcd/0x170 [ 6175.526810][ T74] do_syscall_64+0xc6/0x1e0 [ 6175.526810][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6175.526810][ T74] [ 6175.528849][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6175.528849][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6175.528849][ T74] ipv6_find_idev+0x102/0x170 [ 6175.528849][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6175.528849][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6175.528849][ T74] netlink_rcv_skb+0x130/0x360 [ 6175.528849][ T74] netlink_unicast+0x449/0x710 [ 6175.528849][ T74] netlink_sendmsg+0x723/0xbe0 [ 6175.528849][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6175.528849][ T74] ___sys_sendmsg+0xee/0x170 [ 6175.528849][ T74] __sys_sendmsg+0xcd/0x170 [ 6175.528849][ T74] do_syscall_64+0xc6/0x1e0 [ 6175.528849][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6175.528849][ T74] [ 6175.530501][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6175.530501][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6175.530501][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6175.530501][ T74] ipv6_find_idev+0x102/0x170 [ 6175.530501][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6175.530501][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6175.530501][ T74] netlink_rcv_skb+0x130/0x360 [ 6175.530501][ T74] netlink_unicast+0x449/0x710 [ 6175.530501][ T74] netlink_sendmsg+0x723/0xbe0 [ 6175.530501][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6175.530501][ T74] ___sys_sendmsg+0xee/0x170 [ 6175.530501][ T74] __sys_sendmsg+0xcd/0x170 [ 6175.530501][ T74] do_syscall_64+0xc6/0x1e0 [ 6175.530501][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6175.530501][ T74] [ 6185.607958][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6185.608373][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6185.608373][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6185.608373][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6185.608373][ T74] fib6_nh_init+0xa22/0x1580 [ 6185.608373][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6185.608373][ T74] ip6_route_add+0x1c/0x140 [ 6185.608373][ T74] inet6_rtm_newroute+0x104/0x110 [ 6185.608373][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6185.608373][ T74] netlink_rcv_skb+0x130/0x360 [ 6185.608373][ T74] netlink_unicast+0x449/0x710 [ 6185.608373][ T74] netlink_sendmsg+0x723/0xbe0 [ 6185.608373][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6185.608373][ T74] ___sys_sendmsg+0xee/0x170 [ 6185.608373][ T74] __sys_sendmsg+0xcd/0x170 [ 6185.608373][ T74] do_syscall_64+0xc6/0x1e0 [ 6185.608373][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6185.608373][ T74] [ 6185.610274][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6185.610274][ T74] netdev_get_by_index+0x5e/0x80 [ 6185.610274][ T74] fib6_nh_init+0x3d8/0x1580 [ 6185.610274][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6185.610274][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6185.610274][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6185.610274][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6185.610274][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6185.610274][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6185.610274][ T74] addrconf_dad_begin+0x310/0x670 [ 6185.610274][ T74] addrconf_dad_work+0x10b/0xab0 [ 6185.610274][ T74] process_one_work+0x84d/0x18a0 [ 6185.610274][ T74] worker_thread+0x587/0xd30 [ 6185.610274][ T74] kthread+0x28a/0x350 [ 6185.610274][ T74] ret_from_fork+0x31/0x70 [ 6185.610274][ T74] ret_from_fork_asm+0x1a/0x30 [ 6185.610274][ T74] [ 6185.612197][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6185.612197][ T74] netdev_get_by_index+0x5e/0x80 [ 6185.612197][ T74] fib6_nh_init+0x3d8/0x1580 [ 6185.612197][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6185.612197][ T74] ip6_route_add+0x1c/0x140 [ 6185.612197][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6185.612197][ T74] inet6_addr_add+0x4f8/0xa40 [ 6185.612197][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6185.612197][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6185.612197][ T74] netlink_rcv_skb+0x130/0x360 [ 6185.612197][ T74] netlink_unicast+0x449/0x710 [ 6185.612197][ T74] netlink_sendmsg+0x723/0xbe0 [ 6185.612197][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6185.612197][ T74] ___sys_sendmsg+0xee/0x170 [ 6185.612197][ T74] __sys_sendmsg+0xcd/0x170 [ 6185.612197][ T74] do_syscall_64+0xc6/0x1e0 [ 6185.612197][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6185.612197][ T74] [ 6185.614183][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6185.614183][ T74] netdev_get_by_index+0x5e/0x80 [ 6185.614183][ T74] fib6_nh_init+0x3d8/0x1580 [ 6185.614183][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6185.614183][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6185.614183][ T74] ipv6_add_addr+0x411/0x2000 [ 6185.614183][ T74] inet6_addr_add+0x30e/0xa40 [ 6185.614183][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6185.614183][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6185.614183][ T74] netlink_rcv_skb+0x130/0x360 [ 6185.614183][ T74] netlink_unicast+0x449/0x710 [ 6185.614183][ T74] netlink_sendmsg+0x723/0xbe0 [ 6185.614183][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6185.614183][ T74] ___sys_sendmsg+0xee/0x170 [ 6185.614183][ T74] __sys_sendmsg+0xcd/0x170 [ 6185.614183][ T74] do_syscall_64+0xc6/0x1e0 [ 6185.614183][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6185.614183][ T74] [ 6185.616180][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6185.616180][ T74] netdev_get_by_index+0x5e/0x80 [ 6185.616180][ T74] fib6_nh_init+0x3d8/0x1580 [ 6185.616180][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6185.616180][ T74] ip6_route_add+0x1c/0x140 [ 6185.616180][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6185.616180][ T74] addrconf_add_dev+0xe2/0x170 [ 6185.616180][ T74] inet6_addr_add+0x12f/0xa40 [ 6185.616180][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6185.616180][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6185.616180][ T74] netlink_rcv_skb+0x130/0x360 [ 6185.616180][ T74] netlink_unicast+0x449/0x710 [ 6185.616180][ T74] netlink_sendmsg+0x723/0xbe0 [ 6185.616180][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6185.616180][ T74] ___sys_sendmsg+0xee/0x170 [ 6185.616180][ T74] __sys_sendmsg+0xcd/0x170 [ 6185.616180][ T74] do_syscall_64+0xc6/0x1e0 [ 6185.616180][ T74] [ 6185.618124][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6185.618124][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6185.618124][ T74] ipv6_find_idev+0x102/0x170 [ 6185.618124][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6185.618124][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6185.618124][ T74] netlink_rcv_skb+0x130/0x360 [ 6185.618124][ T74] netlink_unicast+0x449/0x710 [ 6185.618124][ T74] netlink_sendmsg+0x723/0xbe0 [ 6185.618124][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6185.618124][ T74] ___sys_sendmsg+0xee/0x170 [ 6185.618124][ T74] __sys_sendmsg+0xcd/0x170 [ 6185.618124][ T74] do_syscall_64+0xc6/0x1e0 [ 6185.618124][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6185.618124][ T74] [ 6185.619652][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6185.619652][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6185.619652][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6185.619652][ T74] ipv6_find_idev+0x102/0x170 [ 6185.619652][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6185.619652][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6185.619652][ T74] netlink_rcv_skb+0x130/0x360 [ 6185.619652][ T74] netlink_unicast+0x449/0x710 [ 6185.619652][ T74] netlink_sendmsg+0x723/0xbe0 [ 6185.619652][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6185.619652][ T74] ___sys_sendmsg+0xee/0x170 [ 6185.619652][ T74] __sys_sendmsg+0xcd/0x170 [ 6185.619652][ T74] do_syscall_64+0xc6/0x1e0 [ 6185.619652][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6185.619652][ T74] [ 6185.621321][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6185.621594][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6185.621594][ T74] dst_init+0x84/0x4a0 [ 6185.621594][ T74] dst_alloc+0x97/0x150 [ 6185.621594][ T74] ip6_dst_alloc+0x23/0x90 [ 6185.621594][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6185.621594][ T74] ip6_pol_route+0x56f/0x840 [ 6185.621594][ T74] fib6_rule_lookup+0x456/0x630 [ 6185.621594][ T74] ip6_route_input+0x59c/0xa50 [ 6185.621594][ T74] ipv6_rcv+0x397/0x810 [ 6185.621594][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6185.621594][ T74] process_backlog+0x101/0x620 [ 6185.621594][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6185.621594][ T74] net_rx_action+0x495/0xbe0 [ 6185.621594][ T74] __do_softirq+0x1b5/0x7f6 [ 6185.621594][ T74] [ 6185.623216][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6185.623216][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6185.623216][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6185.623216][ T74] fib6_nh_init+0xa22/0x1580 [ 6185.623216][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6185.623216][ T74] ip6_route_add+0x1c/0x140 [ 6185.623216][ T74] inet6_rtm_newroute+0x104/0x110 [ 6185.623216][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6185.623216][ T74] netlink_rcv_skb+0x130/0x360 [ 6185.623216][ T74] netlink_unicast+0x449/0x710 [ 6185.623216][ T74] netlink_sendmsg+0x723/0xbe0 [ 6185.623216][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6185.623216][ T74] ___sys_sendmsg+0xee/0x170 [ 6185.623216][ T74] __sys_sendmsg+0xcd/0x170 [ 6185.623216][ T74] do_syscall_64+0xc6/0x1e0 [ 6185.623216][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6185.623216][ T74] [ 6185.625072][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6185.625072][ T74] netdev_get_by_index+0x5e/0x80 [ 6185.625072][ T74] fib6_nh_init+0x3d8/0x1580 [ 6185.625072][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6185.625072][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6185.625072][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6185.625072][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6185.625072][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6185.625072][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6185.625072][ T74] addrconf_dad_begin+0x310/0x670 [ 6185.625072][ T74] addrconf_dad_work+0x10b/0xab0 [ 6185.625072][ T74] process_one_work+0x84d/0x18a0 [ 6185.625072][ T74] worker_thread+0x587/0xd30 [ 6185.625072][ T74] kthread+0x28a/0x350 [ 6185.625072][ T74] ret_from_fork+0x31/0x70 [ 6185.625072][ T74] ret_from_fork_asm+0x1a/0x30 [ 6185.625072][ T74] [ 6185.626968][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6185.626968][ T74] netdev_get_by_index+0x5e/0x80 [ 6185.626968][ T74] fib6_nh_init+0x3d8/0x1580 [ 6185.626968][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6185.626968][ T74] ip6_route_add+0x1c/0x140 [ 6185.626968][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6185.626968][ T74] inet6_addr_add+0x4f8/0xa40 [ 6185.626968][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6185.626968][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6185.626968][ T74] netlink_rcv_skb+0x130/0x360 [ 6185.626968][ T74] netlink_unicast+0x449/0x710 [ 6185.626968][ T74] netlink_sendmsg+0x723/0xbe0 [ 6185.626968][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6185.626968][ T74] ___sys_sendmsg+0xee/0x170 [ 6185.626968][ T74] __sys_sendmsg+0xcd/0x170 [ 6185.626968][ T74] do_syscall_64+0xc6/0x1e0 [ 6185.626968][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6185.626968][ T74] [ 6185.628948][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6185.628948][ T74] netdev_get_by_index+0x5e/0x80 [ 6185.628948][ T74] fib6_nh_init+0x3d8/0x1580 [ 6185.628948][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6185.628948][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6185.628948][ T74] ipv6_add_addr+0x411/0x2000 [ 6185.628948][ T74] inet6_addr_add+0x30e/0xa40 [ 6185.628948][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6185.628948][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6185.628948][ T74] netlink_rcv_skb+0x130/0x360 [ 6185.628948][ T74] netlink_unicast+0x449/0x710 [ 6185.628948][ T74] netlink_sendmsg+0x723/0xbe0 [ 6185.628948][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6185.628948][ T74] ___sys_sendmsg+0xee/0x170 [ 6185.628948][ T74] __sys_sendmsg+0xcd/0x170 [ 6185.628948][ T74] do_syscall_64+0xc6/0x1e0 [ 6185.628948][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6185.628948][ T74] [ 6185.630936][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6185.630936][ T74] netdev_get_by_index+0x5e/0x80 [ 6185.630936][ T74] fib6_nh_init+0x3d8/0x1580 [ 6185.630936][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6185.630936][ T74] ip6_route_add+0x1c/0x140 [ 6185.630936][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6185.630936][ T74] addrconf_add_dev+0xe2/0x170 [ 6185.630936][ T74] inet6_addr_add+0x12f/0xa40 [ 6185.630936][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6185.630936][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6185.630936][ T74] netlink_rcv_skb+0x130/0x360 [ 6185.630936][ T74] netlink_unicast+0x449/0x710 [ 6185.630936][ T74] netlink_sendmsg+0x723/0xbe0 [ 6185.630936][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6185.630936][ T74] ___sys_sendmsg+0xee/0x170 [ 6185.630936][ T74] __sys_sendmsg+0xcd/0x170 [ 6185.630936][ T74] do_syscall_64+0xc6/0x1e0 [ 6185.630936][ T74] [ 6185.632874][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6185.632874][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6185.632874][ T74] ipv6_find_idev+0x102/0x170 [ 6185.632874][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6185.632874][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6185.632874][ T74] netlink_rcv_skb+0x130/0x360 [ 6185.632874][ T74] netlink_unicast+0x449/0x710 [ 6185.632874][ T74] netlink_sendmsg+0x723/0xbe0 [ 6185.632874][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6185.632874][ T74] ___sys_sendmsg+0xee/0x170 [ 6185.632874][ T74] __sys_sendmsg+0xcd/0x170 [ 6185.632874][ T74] do_syscall_64+0xc6/0x1e0 [ 6185.632874][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6185.632874][ T74] [ 6185.634519][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6185.634519][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6185.634519][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6185.634519][ T74] ipv6_find_idev+0x102/0x170 [ 6185.634519][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6185.634519][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6185.634519][ T74] netlink_rcv_skb+0x130/0x360 [ 6185.634519][ T74] netlink_unicast+0x449/0x710 [ 6185.634519][ T74] netlink_sendmsg+0x723/0xbe0 [ 6185.634519][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6185.634519][ T74] ___sys_sendmsg+0xee/0x170 [ 6185.634519][ T74] __sys_sendmsg+0xcd/0x170 [ 6185.634519][ T74] do_syscall_64+0xc6/0x1e0 [ 6185.634519][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6185.634519][ T74] [ 6185.636430][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6185.636669][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6185.636669][ T74] netdev_get_by_index+0x5e/0x80 [ 6185.636669][ T74] fib6_nh_init+0x3d8/0x1580 [ 6185.636669][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6185.636669][ T74] ip6_route_add+0x1c/0x140 [ 6185.636669][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6185.636669][ T74] inet6_addr_add+0x4f8/0xa40 [ 6185.636669][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6185.636669][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6185.636669][ T74] netlink_rcv_skb+0x130/0x360 [ 6185.636669][ T74] netlink_unicast+0x449/0x710 [ 6185.636669][ T74] netlink_sendmsg+0x723/0xbe0 [ 6185.636669][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6185.636669][ T74] ___sys_sendmsg+0xee/0x170 [ 6185.636669][ T74] __sys_sendmsg+0xcd/0x170 [ 6185.636669][ T74] do_syscall_64+0xc6/0x1e0 [ 6185.636669][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6185.636669][ T74] [ 6185.638968][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6185.638968][ T74] netdev_get_by_index+0x5e/0x80 [ 6185.638968][ T74] fib6_nh_init+0x3d8/0x1580 [ 6185.638968][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6185.638968][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6185.638968][ T74] ipv6_add_addr+0x411/0x2000 [ 6185.638968][ T74] inet6_addr_add+0x30e/0xa40 [ 6185.638968][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6185.638968][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6185.638968][ T74] netlink_rcv_skb+0x130/0x360 [ 6185.638968][ T74] netlink_unicast+0x449/0x710 [ 6185.638968][ T74] netlink_sendmsg+0x723/0xbe0 [ 6185.638968][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6185.638968][ T74] ___sys_sendmsg+0xee/0x170 [ 6185.638968][ T74] __sys_sendmsg+0xcd/0x170 [ 6185.638968][ T74] do_syscall_64+0xc6/0x1e0 [ 6185.638968][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6185.638968][ T74] [ 6185.641187][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6185.641187][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6185.641187][ T74] ipv6_find_idev+0x102/0x170 [ 6185.641187][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6185.641187][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6185.641187][ T74] netlink_rcv_skb+0x130/0x360 [ 6185.641187][ T74] netlink_unicast+0x449/0x710 [ 6185.641187][ T74] netlink_sendmsg+0x723/0xbe0 [ 6185.641187][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6185.641187][ T74] ___sys_sendmsg+0xee/0x170 [ 6185.641187][ T74] __sys_sendmsg+0xcd/0x170 [ 6185.641187][ T74] do_syscall_64+0xc6/0x1e0 [ 6185.641187][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6185.641187][ T74] [ 6185.642829][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6185.642829][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6185.642829][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6185.642829][ T74] ipv6_find_idev+0x102/0x170 [ 6185.642829][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6185.642829][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6185.642829][ T74] netlink_rcv_skb+0x130/0x360 [ 6185.642829][ T74] netlink_unicast+0x449/0x710 [ 6185.642829][ T74] netlink_sendmsg+0x723/0xbe0 [ 6185.642829][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6185.642829][ T74] ___sys_sendmsg+0xee/0x170 [ 6185.642829][ T74] __sys_sendmsg+0xcd/0x170 [ 6185.642829][ T74] do_syscall_64+0xc6/0x1e0 [ 6185.642829][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6185.642829][ T74] [ 6195.887956][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6195.888379][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6195.888379][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6195.888379][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6195.888379][ T74] fib6_nh_init+0xa22/0x1580 [ 6195.888379][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6195.888379][ T74] ip6_route_add+0x1c/0x140 [ 6195.888379][ T74] inet6_rtm_newroute+0x104/0x110 [ 6195.888379][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6195.888379][ T74] netlink_rcv_skb+0x130/0x360 [ 6195.888379][ T74] netlink_unicast+0x449/0x710 [ 6195.888379][ T74] netlink_sendmsg+0x723/0xbe0 [ 6195.888379][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6195.888379][ T74] ___sys_sendmsg+0xee/0x170 [ 6195.888379][ T74] __sys_sendmsg+0xcd/0x170 [ 6195.888379][ T74] do_syscall_64+0xc6/0x1e0 [ 6195.888379][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6195.888379][ T74] [ 6195.890269][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6195.890269][ T74] netdev_get_by_index+0x5e/0x80 [ 6195.890269][ T74] fib6_nh_init+0x3d8/0x1580 [ 6195.890269][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6195.890269][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6195.890269][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6195.890269][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6195.890269][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6195.890269][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6195.890269][ T74] addrconf_dad_begin+0x310/0x670 [ 6195.890269][ T74] addrconf_dad_work+0x10b/0xab0 [ 6195.890269][ T74] process_one_work+0x84d/0x18a0 [ 6195.890269][ T74] worker_thread+0x587/0xd30 [ 6195.890269][ T74] kthread+0x28a/0x350 [ 6195.890269][ T74] ret_from_fork+0x31/0x70 [ 6195.890269][ T74] ret_from_fork_asm+0x1a/0x30 [ 6195.890269][ T74] [ 6195.892172][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6195.892172][ T74] netdev_get_by_index+0x5e/0x80 [ 6195.892172][ T74] fib6_nh_init+0x3d8/0x1580 [ 6195.892172][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6195.892172][ T74] ip6_route_add+0x1c/0x140 [ 6195.892172][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6195.892172][ T74] inet6_addr_add+0x4f8/0xa40 [ 6195.892172][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6195.892172][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6195.892172][ T74] netlink_rcv_skb+0x130/0x360 [ 6195.892172][ T74] netlink_unicast+0x449/0x710 [ 6195.892172][ T74] netlink_sendmsg+0x723/0xbe0 [ 6195.892172][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6195.892172][ T74] ___sys_sendmsg+0xee/0x170 [ 6195.892172][ T74] __sys_sendmsg+0xcd/0x170 [ 6195.892172][ T74] do_syscall_64+0xc6/0x1e0 [ 6195.892172][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6195.892172][ T74] [ 6195.894157][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6195.894157][ T74] netdev_get_by_index+0x5e/0x80 [ 6195.894157][ T74] fib6_nh_init+0x3d8/0x1580 [ 6195.894157][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6195.894157][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6195.894157][ T74] ipv6_add_addr+0x411/0x2000 [ 6195.894157][ T74] inet6_addr_add+0x30e/0xa40 [ 6195.894157][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6195.894157][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6195.894157][ T74] netlink_rcv_skb+0x130/0x360 [ 6195.894157][ T74] netlink_unicast+0x449/0x710 [ 6195.894157][ T74] netlink_sendmsg+0x723/0xbe0 [ 6195.894157][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6195.894157][ T74] ___sys_sendmsg+0xee/0x170 [ 6195.894157][ T74] __sys_sendmsg+0xcd/0x170 [ 6195.894157][ T74] do_syscall_64+0xc6/0x1e0 [ 6195.894157][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6195.894157][ T74] [ 6195.896143][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6195.896143][ T74] netdev_get_by_index+0x5e/0x80 [ 6195.896143][ T74] fib6_nh_init+0x3d8/0x1580 [ 6195.896143][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6195.896143][ T74] ip6_route_add+0x1c/0x140 [ 6195.896143][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6195.896143][ T74] addrconf_add_dev+0xe2/0x170 [ 6195.896143][ T74] inet6_addr_add+0x12f/0xa40 [ 6195.896143][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6195.896143][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6195.896143][ T74] netlink_rcv_skb+0x130/0x360 [ 6195.896143][ T74] netlink_unicast+0x449/0x710 [ 6195.896143][ T74] netlink_sendmsg+0x723/0xbe0 [ 6195.896143][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6195.896143][ T74] ___sys_sendmsg+0xee/0x170 [ 6195.896143][ T74] __sys_sendmsg+0xcd/0x170 [ 6195.896143][ T74] do_syscall_64+0xc6/0x1e0 [ 6195.896143][ T74] [ 6195.898084][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6195.898084][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6195.898084][ T74] ipv6_find_idev+0x102/0x170 [ 6195.898084][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6195.898084][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6195.898084][ T74] netlink_rcv_skb+0x130/0x360 [ 6195.898084][ T74] netlink_unicast+0x449/0x710 [ 6195.898084][ T74] netlink_sendmsg+0x723/0xbe0 [ 6195.898084][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6195.898084][ T74] ___sys_sendmsg+0xee/0x170 [ 6195.898084][ T74] __sys_sendmsg+0xcd/0x170 [ 6195.898084][ T74] do_syscall_64+0xc6/0x1e0 [ 6195.898084][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6195.898084][ T74] [ 6195.899620][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6195.899620][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6195.899620][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6195.899620][ T74] ipv6_find_idev+0x102/0x170 [ 6195.899620][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6195.899620][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6195.899620][ T74] netlink_rcv_skb+0x130/0x360 [ 6195.899620][ T74] netlink_unicast+0x449/0x710 [ 6195.899620][ T74] netlink_sendmsg+0x723/0xbe0 [ 6195.899620][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6195.899620][ T74] ___sys_sendmsg+0xee/0x170 [ 6195.899620][ T74] __sys_sendmsg+0xcd/0x170 [ 6195.899620][ T74] do_syscall_64+0xc6/0x1e0 [ 6195.899620][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6195.899620][ T74] [ 6195.901336][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6195.901608][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6195.901608][ T74] dst_init+0x84/0x4a0 [ 6195.901608][ T74] dst_alloc+0x97/0x150 [ 6195.901608][ T74] ip6_dst_alloc+0x23/0x90 [ 6195.901608][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6195.901608][ T74] ip6_pol_route+0x56f/0x840 [ 6195.901608][ T74] fib6_rule_lookup+0x456/0x630 [ 6195.901608][ T74] ip6_route_input+0x59c/0xa50 [ 6195.901608][ T74] ipv6_rcv+0x397/0x810 [ 6195.901608][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6195.901608][ T74] process_backlog+0x101/0x620 [ 6195.901608][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6195.901608][ T74] net_rx_action+0x495/0xbe0 [ 6195.901608][ T74] __do_softirq+0x1b5/0x7f6 [ 6195.901608][ T74] [ 6195.903248][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6195.903248][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6195.903248][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6195.903248][ T74] fib6_nh_init+0xa22/0x1580 [ 6195.903248][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6195.903248][ T74] ip6_route_add+0x1c/0x140 [ 6195.903248][ T74] inet6_rtm_newroute+0x104/0x110 [ 6195.903248][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6195.903248][ T74] netlink_rcv_skb+0x130/0x360 [ 6195.903248][ T74] netlink_unicast+0x449/0x710 [ 6195.903248][ T74] netlink_sendmsg+0x723/0xbe0 [ 6195.903248][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6195.903248][ T74] ___sys_sendmsg+0xee/0x170 [ 6195.903248][ T74] __sys_sendmsg+0xcd/0x170 [ 6195.903248][ T74] do_syscall_64+0xc6/0x1e0 [ 6195.903248][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6195.903248][ T74] [ 6195.905107][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6195.905107][ T74] netdev_get_by_index+0x5e/0x80 [ 6195.905107][ T74] fib6_nh_init+0x3d8/0x1580 [ 6195.905107][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6195.905107][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6195.905107][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6195.905107][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6195.905107][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6195.905107][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6195.905107][ T74] addrconf_dad_begin+0x310/0x670 [ 6195.905107][ T74] addrconf_dad_work+0x10b/0xab0 [ 6195.905107][ T74] process_one_work+0x84d/0x18a0 [ 6195.905107][ T74] worker_thread+0x587/0xd30 [ 6195.905107][ T74] kthread+0x28a/0x350 [ 6195.905107][ T74] ret_from_fork+0x31/0x70 [ 6195.905107][ T74] ret_from_fork_asm+0x1a/0x30 [ 6195.905107][ T74] [ 6195.907007][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6195.907007][ T74] netdev_get_by_index+0x5e/0x80 [ 6195.907007][ T74] fib6_nh_init+0x3d8/0x1580 [ 6195.907007][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6195.907007][ T74] ip6_route_add+0x1c/0x140 [ 6195.907007][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6195.907007][ T74] inet6_addr_add+0x4f8/0xa40 [ 6195.907007][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6195.907007][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6195.907007][ T74] netlink_rcv_skb+0x130/0x360 [ 6195.907007][ T74] netlink_unicast+0x449/0x710 [ 6195.907007][ T74] netlink_sendmsg+0x723/0xbe0 [ 6195.907007][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6195.907007][ T74] ___sys_sendmsg+0xee/0x170 [ 6195.907007][ T74] __sys_sendmsg+0xcd/0x170 [ 6195.907007][ T74] do_syscall_64+0xc6/0x1e0 [ 6195.907007][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6195.907007][ T74] [ 6195.909011][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6195.909011][ T74] netdev_get_by_index+0x5e/0x80 [ 6195.909011][ T74] fib6_nh_init+0x3d8/0x1580 [ 6195.909011][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6195.909011][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6195.909011][ T74] ipv6_add_addr+0x411/0x2000 [ 6195.909011][ T74] inet6_addr_add+0x30e/0xa40 [ 6195.909011][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6195.909011][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6195.909011][ T74] netlink_rcv_skb+0x130/0x360 [ 6195.909011][ T74] netlink_unicast+0x449/0x710 [ 6195.909011][ T74] netlink_sendmsg+0x723/0xbe0 [ 6195.909011][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6195.909011][ T74] ___sys_sendmsg+0xee/0x170 [ 6195.909011][ T74] __sys_sendmsg+0xcd/0x170 [ 6195.909011][ T74] do_syscall_64+0xc6/0x1e0 [ 6195.909011][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6195.909011][ T74] [ 6195.911014][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6195.911014][ T74] netdev_get_by_index+0x5e/0x80 [ 6195.911014][ T74] fib6_nh_init+0x3d8/0x1580 [ 6195.911014][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6195.911014][ T74] ip6_route_add+0x1c/0x140 [ 6195.911014][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6195.911014][ T74] addrconf_add_dev+0xe2/0x170 [ 6195.911014][ T74] inet6_addr_add+0x12f/0xa40 [ 6195.911014][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6195.911014][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6195.911014][ T74] netlink_rcv_skb+0x130/0x360 [ 6195.911014][ T74] netlink_unicast+0x449/0x710 [ 6195.911014][ T74] netlink_sendmsg+0x723/0xbe0 [ 6195.911014][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6195.911014][ T74] ___sys_sendmsg+0xee/0x170 [ 6195.911014][ T74] __sys_sendmsg+0xcd/0x170 [ 6195.911014][ T74] do_syscall_64+0xc6/0x1e0 [ 6195.911014][ T74] [ 6195.912971][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6195.912971][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6195.912971][ T74] ipv6_find_idev+0x102/0x170 [ 6195.912971][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6195.912971][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6195.912971][ T74] netlink_rcv_skb+0x130/0x360 [ 6195.912971][ T74] netlink_unicast+0x449/0x710 [ 6195.912971][ T74] netlink_sendmsg+0x723/0xbe0 [ 6195.912971][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6195.912971][ T74] ___sys_sendmsg+0xee/0x170 [ 6195.912971][ T74] __sys_sendmsg+0xcd/0x170 [ 6195.912971][ T74] do_syscall_64+0xc6/0x1e0 [ 6195.912971][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6195.912971][ T74] [ 6195.914632][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6195.914632][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6195.914632][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6195.914632][ T74] ipv6_find_idev+0x102/0x170 [ 6195.914632][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6195.914632][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6195.914632][ T74] netlink_rcv_skb+0x130/0x360 [ 6195.914632][ T74] netlink_unicast+0x449/0x710 [ 6195.914632][ T74] netlink_sendmsg+0x723/0xbe0 [ 6195.914632][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6195.914632][ T74] ___sys_sendmsg+0xee/0x170 [ 6195.914632][ T74] __sys_sendmsg+0xcd/0x170 [ 6195.914632][ T74] do_syscall_64+0xc6/0x1e0 [ 6195.914632][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6195.914632][ T74] [ 6195.916597][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6195.916837][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6195.916837][ T74] netdev_get_by_index+0x5e/0x80 [ 6195.916837][ T74] fib6_nh_init+0x3d8/0x1580 [ 6195.916837][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6195.916837][ T74] ip6_route_add+0x1c/0x140 [ 6195.916837][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6195.916837][ T74] inet6_addr_add+0x4f8/0xa40 [ 6195.916837][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6195.916837][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6195.916837][ T74] netlink_rcv_skb+0x130/0x360 [ 6195.916837][ T74] netlink_unicast+0x449/0x710 [ 6195.916837][ T74] netlink_sendmsg+0x723/0xbe0 [ 6195.916837][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6195.916837][ T74] ___sys_sendmsg+0xee/0x170 [ 6195.916837][ T74] __sys_sendmsg+0xcd/0x170 [ 6195.916837][ T74] do_syscall_64+0xc6/0x1e0 [ 6195.916837][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6195.916837][ T74] [ 6195.919079][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6195.919079][ T74] netdev_get_by_index+0x5e/0x80 [ 6195.919079][ T74] fib6_nh_init+0x3d8/0x1580 [ 6195.919079][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6195.919079][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6195.919079][ T74] ipv6_add_addr+0x411/0x2000 [ 6195.919079][ T74] inet6_addr_add+0x30e/0xa40 [ 6195.919079][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6195.919079][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6195.919079][ T74] netlink_rcv_skb+0x130/0x360 [ 6195.919079][ T74] netlink_unicast+0x449/0x710 [ 6195.919079][ T74] netlink_sendmsg+0x723/0xbe0 [ 6195.919079][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6195.919079][ T74] ___sys_sendmsg+0xee/0x170 [ 6195.919079][ T74] __sys_sendmsg+0xcd/0x170 [ 6195.919079][ T74] do_syscall_64+0xc6/0x1e0 [ 6195.919079][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6195.919079][ T74] [ 6195.921313][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6195.921313][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6195.921313][ T74] ipv6_find_idev+0x102/0x170 [ 6195.921313][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6195.921313][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6195.921313][ T74] netlink_rcv_skb+0x130/0x360 [ 6195.921313][ T74] netlink_unicast+0x449/0x710 [ 6195.921313][ T74] netlink_sendmsg+0x723/0xbe0 [ 6195.921313][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6195.921313][ T74] ___sys_sendmsg+0xee/0x170 [ 6195.921313][ T74] __sys_sendmsg+0xcd/0x170 [ 6195.921313][ T74] do_syscall_64+0xc6/0x1e0 [ 6195.921313][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6195.921313][ T74] [ 6195.922974][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6195.922974][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6195.922974][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6195.922974][ T74] ipv6_find_idev+0x102/0x170 [ 6195.922974][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6195.922974][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6195.922974][ T74] netlink_rcv_skb+0x130/0x360 [ 6195.922974][ T74] netlink_unicast+0x449/0x710 [ 6195.922974][ T74] netlink_sendmsg+0x723/0xbe0 [ 6195.922974][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6195.922974][ T74] ___sys_sendmsg+0xee/0x170 [ 6195.922974][ T74] __sys_sendmsg+0xcd/0x170 [ 6195.922974][ T74] do_syscall_64+0xc6/0x1e0 [ 6195.922974][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6195.922974][ T74] [ 6206.167954][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6206.168401][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6206.168401][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6206.168401][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6206.168401][ T74] fib6_nh_init+0xa22/0x1580 [ 6206.168401][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6206.168401][ T74] ip6_route_add+0x1c/0x140 [ 6206.168401][ T74] inet6_rtm_newroute+0x104/0x110 [ 6206.168401][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6206.168401][ T74] netlink_rcv_skb+0x130/0x360 [ 6206.168401][ T74] netlink_unicast+0x449/0x710 [ 6206.168401][ T74] netlink_sendmsg+0x723/0xbe0 [ 6206.168401][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6206.168401][ T74] ___sys_sendmsg+0xee/0x170 [ 6206.168401][ T74] __sys_sendmsg+0xcd/0x170 [ 6206.168401][ T74] do_syscall_64+0xc6/0x1e0 [ 6206.168401][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6206.168401][ T74] [ 6206.170294][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6206.170294][ T74] netdev_get_by_index+0x5e/0x80 [ 6206.170294][ T74] fib6_nh_init+0x3d8/0x1580 [ 6206.170294][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6206.170294][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6206.170294][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6206.170294][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6206.170294][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6206.170294][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6206.170294][ T74] addrconf_dad_begin+0x310/0x670 [ 6206.170294][ T74] addrconf_dad_work+0x10b/0xab0 [ 6206.170294][ T74] process_one_work+0x84d/0x18a0 [ 6206.170294][ T74] worker_thread+0x587/0xd30 [ 6206.170294][ T74] kthread+0x28a/0x350 [ 6206.170294][ T74] ret_from_fork+0x31/0x70 [ 6206.170294][ T74] ret_from_fork_asm+0x1a/0x30 [ 6206.170294][ T74] [ 6206.172204][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6206.172204][ T74] netdev_get_by_index+0x5e/0x80 [ 6206.172204][ T74] fib6_nh_init+0x3d8/0x1580 [ 6206.172204][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6206.172204][ T74] ip6_route_add+0x1c/0x140 [ 6206.172204][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6206.172204][ T74] inet6_addr_add+0x4f8/0xa40 [ 6206.172204][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6206.172204][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6206.172204][ T74] netlink_rcv_skb+0x130/0x360 [ 6206.172204][ T74] netlink_unicast+0x449/0x710 [ 6206.172204][ T74] netlink_sendmsg+0x723/0xbe0 [ 6206.172204][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6206.172204][ T74] ___sys_sendmsg+0xee/0x170 [ 6206.172204][ T74] __sys_sendmsg+0xcd/0x170 [ 6206.172204][ T74] do_syscall_64+0xc6/0x1e0 [ 6206.172204][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6206.172204][ T74] [ 6206.174203][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6206.174203][ T74] netdev_get_by_index+0x5e/0x80 [ 6206.174203][ T74] fib6_nh_init+0x3d8/0x1580 [ 6206.174203][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6206.174203][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6206.174203][ T74] ipv6_add_addr+0x411/0x2000 [ 6206.174203][ T74] inet6_addr_add+0x30e/0xa40 [ 6206.174203][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6206.174203][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6206.174203][ T74] netlink_rcv_skb+0x130/0x360 [ 6206.174203][ T74] netlink_unicast+0x449/0x710 [ 6206.174203][ T74] netlink_sendmsg+0x723/0xbe0 [ 6206.174203][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6206.174203][ T74] ___sys_sendmsg+0xee/0x170 [ 6206.174203][ T74] __sys_sendmsg+0xcd/0x170 [ 6206.174203][ T74] do_syscall_64+0xc6/0x1e0 [ 6206.174203][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6206.174203][ T74] [ 6206.176212][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6206.176212][ T74] netdev_get_by_index+0x5e/0x80 [ 6206.176212][ T74] fib6_nh_init+0x3d8/0x1580 [ 6206.176212][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6206.176212][ T74] ip6_route_add+0x1c/0x140 [ 6206.176212][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6206.176212][ T74] addrconf_add_dev+0xe2/0x170 [ 6206.176212][ T74] inet6_addr_add+0x12f/0xa40 [ 6206.176212][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6206.176212][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6206.176212][ T74] netlink_rcv_skb+0x130/0x360 [ 6206.176212][ T74] netlink_unicast+0x449/0x710 [ 6206.176212][ T74] netlink_sendmsg+0x723/0xbe0 [ 6206.176212][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6206.176212][ T74] ___sys_sendmsg+0xee/0x170 [ 6206.176212][ T74] __sys_sendmsg+0xcd/0x170 [ 6206.176212][ T74] do_syscall_64+0xc6/0x1e0 [ 6206.176212][ T74] [ 6206.178167][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6206.178167][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6206.178167][ T74] ipv6_find_idev+0x102/0x170 [ 6206.178167][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6206.178167][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6206.178167][ T74] netlink_rcv_skb+0x130/0x360 [ 6206.178167][ T74] netlink_unicast+0x449/0x710 [ 6206.178167][ T74] netlink_sendmsg+0x723/0xbe0 [ 6206.178167][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6206.178167][ T74] ___sys_sendmsg+0xee/0x170 [ 6206.178167][ T74] __sys_sendmsg+0xcd/0x170 [ 6206.178167][ T74] do_syscall_64+0xc6/0x1e0 [ 6206.178167][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6206.178167][ T74] [ 6206.179706][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6206.179706][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6206.179706][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6206.179706][ T74] ipv6_find_idev+0x102/0x170 [ 6206.179706][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6206.179706][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6206.179706][ T74] netlink_rcv_skb+0x130/0x360 [ 6206.179706][ T74] netlink_unicast+0x449/0x710 [ 6206.179706][ T74] netlink_sendmsg+0x723/0xbe0 [ 6206.179706][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6206.179706][ T74] ___sys_sendmsg+0xee/0x170 [ 6206.179706][ T74] __sys_sendmsg+0xcd/0x170 [ 6206.179706][ T74] do_syscall_64+0xc6/0x1e0 [ 6206.179706][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6206.179706][ T74] [ 6206.181392][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6206.181662][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6206.181662][ T74] dst_init+0x84/0x4a0 [ 6206.181662][ T74] dst_alloc+0x97/0x150 [ 6206.181662][ T74] ip6_dst_alloc+0x23/0x90 [ 6206.181662][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6206.181662][ T74] ip6_pol_route+0x56f/0x840 [ 6206.181662][ T74] fib6_rule_lookup+0x456/0x630 [ 6206.181662][ T74] ip6_route_input+0x59c/0xa50 [ 6206.181662][ T74] ipv6_rcv+0x397/0x810 [ 6206.181662][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6206.181662][ T74] process_backlog+0x101/0x620 [ 6206.181662][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6206.181662][ T74] net_rx_action+0x495/0xbe0 [ 6206.181662][ T74] __do_softirq+0x1b5/0x7f6 [ 6206.181662][ T74] [ 6206.183284][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6206.183284][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6206.183284][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6206.183284][ T74] fib6_nh_init+0xa22/0x1580 [ 6206.183284][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6206.183284][ T74] ip6_route_add+0x1c/0x140 [ 6206.183284][ T74] inet6_rtm_newroute+0x104/0x110 [ 6206.183284][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6206.183284][ T74] netlink_rcv_skb+0x130/0x360 [ 6206.183284][ T74] netlink_unicast+0x449/0x710 [ 6206.183284][ T74] netlink_sendmsg+0x723/0xbe0 [ 6206.183284][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6206.183284][ T74] ___sys_sendmsg+0xee/0x170 [ 6206.183284][ T74] __sys_sendmsg+0xcd/0x170 [ 6206.183284][ T74] do_syscall_64+0xc6/0x1e0 [ 6206.183284][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6206.183284][ T74] [ 6206.185146][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6206.185146][ T74] netdev_get_by_index+0x5e/0x80 [ 6206.185146][ T74] fib6_nh_init+0x3d8/0x1580 [ 6206.185146][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6206.185146][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6206.185146][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6206.185146][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6206.185146][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6206.185146][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6206.185146][ T74] addrconf_dad_begin+0x310/0x670 [ 6206.185146][ T74] addrconf_dad_work+0x10b/0xab0 [ 6206.185146][ T74] process_one_work+0x84d/0x18a0 [ 6206.185146][ T74] worker_thread+0x587/0xd30 [ 6206.185146][ T74] kthread+0x28a/0x350 [ 6206.185146][ T74] ret_from_fork+0x31/0x70 [ 6206.185146][ T74] ret_from_fork_asm+0x1a/0x30 [ 6206.185146][ T74] [ 6206.187051][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6206.187051][ T74] netdev_get_by_index+0x5e/0x80 [ 6206.187051][ T74] fib6_nh_init+0x3d8/0x1580 [ 6206.187051][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6206.187051][ T74] ip6_route_add+0x1c/0x140 [ 6206.187051][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6206.187051][ T74] inet6_addr_add+0x4f8/0xa40 [ 6206.187051][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6206.187051][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6206.187051][ T74] netlink_rcv_skb+0x130/0x360 [ 6206.187051][ T74] netlink_unicast+0x449/0x710 [ 6206.187051][ T74] netlink_sendmsg+0x723/0xbe0 [ 6206.187051][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6206.187051][ T74] ___sys_sendmsg+0xee/0x170 [ 6206.187051][ T74] __sys_sendmsg+0xcd/0x170 [ 6206.187051][ T74] do_syscall_64+0xc6/0x1e0 [ 6206.187051][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6206.187051][ T74] [ 6206.189046][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6206.189046][ T74] netdev_get_by_index+0x5e/0x80 [ 6206.189046][ T74] fib6_nh_init+0x3d8/0x1580 [ 6206.189046][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6206.189046][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6206.189046][ T74] ipv6_add_addr+0x411/0x2000 [ 6206.189046][ T74] inet6_addr_add+0x30e/0xa40 [ 6206.189046][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6206.189046][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6206.189046][ T74] netlink_rcv_skb+0x130/0x360 [ 6206.189046][ T74] netlink_unicast+0x449/0x710 [ 6206.189046][ T74] netlink_sendmsg+0x723/0xbe0 [ 6206.189046][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6206.189046][ T74] ___sys_sendmsg+0xee/0x170 [ 6206.189046][ T74] __sys_sendmsg+0xcd/0x170 [ 6206.189046][ T74] do_syscall_64+0xc6/0x1e0 [ 6206.189046][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6206.189046][ T74] [ 6206.191045][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6206.191045][ T74] netdev_get_by_index+0x5e/0x80 [ 6206.191045][ T74] fib6_nh_init+0x3d8/0x1580 [ 6206.191045][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6206.191045][ T74] ip6_route_add+0x1c/0x140 [ 6206.191045][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6206.191045][ T74] addrconf_add_dev+0xe2/0x170 [ 6206.191045][ T74] inet6_addr_add+0x12f/0xa40 [ 6206.191045][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6206.191045][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6206.191045][ T74] netlink_rcv_skb+0x130/0x360 [ 6206.191045][ T74] netlink_unicast+0x449/0x710 [ 6206.191045][ T74] netlink_sendmsg+0x723/0xbe0 [ 6206.191045][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6206.191045][ T74] ___sys_sendmsg+0xee/0x170 [ 6206.191045][ T74] __sys_sendmsg+0xcd/0x170 [ 6206.191045][ T74] do_syscall_64+0xc6/0x1e0 [ 6206.191045][ T74] [ 6206.192998][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6206.192998][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6206.192998][ T74] ipv6_find_idev+0x102/0x170 [ 6206.192998][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6206.192998][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6206.192998][ T74] netlink_rcv_skb+0x130/0x360 [ 6206.192998][ T74] netlink_unicast+0x449/0x710 [ 6206.192998][ T74] netlink_sendmsg+0x723/0xbe0 [ 6206.192998][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6206.192998][ T74] ___sys_sendmsg+0xee/0x170 [ 6206.192998][ T74] __sys_sendmsg+0xcd/0x170 [ 6206.192998][ T74] do_syscall_64+0xc6/0x1e0 [ 6206.192998][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6206.192998][ T74] [ 6206.194597][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6206.194597][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6206.194597][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6206.194597][ T74] ipv6_find_idev+0x102/0x170 [ 6206.194597][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6206.194597][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6206.194597][ T74] netlink_rcv_skb+0x130/0x360 [ 6206.194597][ T74] netlink_unicast+0x449/0x710 [ 6206.194597][ T74] netlink_sendmsg+0x723/0xbe0 [ 6206.194597][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6206.194597][ T74] ___sys_sendmsg+0xee/0x170 [ 6206.194597][ T74] __sys_sendmsg+0xcd/0x170 [ 6206.194597][ T74] do_syscall_64+0xc6/0x1e0 [ 6206.194597][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6206.194597][ T74] [ 6206.196512][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6206.196909][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6206.196909][ T74] netdev_get_by_index+0x5e/0x80 [ 6206.196909][ T74] fib6_nh_init+0x3d8/0x1580 [ 6206.196909][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6206.196909][ T74] ip6_route_add+0x1c/0x140 [ 6206.196909][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6206.196909][ T74] inet6_addr_add+0x4f8/0xa40 [ 6206.196909][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6206.196909][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6206.196909][ T74] netlink_rcv_skb+0x130/0x360 [ 6206.196909][ T74] netlink_unicast+0x449/0x710 [ 6206.196909][ T74] netlink_sendmsg+0x723/0xbe0 [ 6206.196909][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6206.196909][ T74] ___sys_sendmsg+0xee/0x170 [ 6206.196909][ T74] __sys_sendmsg+0xcd/0x170 [ 6206.196909][ T74] do_syscall_64+0xc6/0x1e0 [ 6206.196909][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6206.196909][ T74] [ 6206.199084][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6206.199084][ T74] netdev_get_by_index+0x5e/0x80 [ 6206.199084][ T74] fib6_nh_init+0x3d8/0x1580 [ 6206.199084][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6206.199084][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6206.199084][ T74] ipv6_add_addr+0x411/0x2000 [ 6206.199084][ T74] inet6_addr_add+0x30e/0xa40 [ 6206.199084][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6206.199084][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6206.199084][ T74] netlink_rcv_skb+0x130/0x360 [ 6206.199084][ T74] netlink_unicast+0x449/0x710 [ 6206.199084][ T74] netlink_sendmsg+0x723/0xbe0 [ 6206.199084][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6206.199084][ T74] ___sys_sendmsg+0xee/0x170 [ 6206.199084][ T74] __sys_sendmsg+0xcd/0x170 [ 6206.199084][ T74] do_syscall_64+0xc6/0x1e0 [ 6206.199084][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6206.199084][ T74] [ 6206.201322][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6206.201322][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6206.201322][ T74] ipv6_find_idev+0x102/0x170 [ 6206.201322][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6206.201322][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6206.201322][ T74] netlink_rcv_skb+0x130/0x360 [ 6206.201322][ T74] netlink_unicast+0x449/0x710 [ 6206.201322][ T74] netlink_sendmsg+0x723/0xbe0 [ 6206.201322][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6206.201322][ T74] ___sys_sendmsg+0xee/0x170 [ 6206.201322][ T74] __sys_sendmsg+0xcd/0x170 [ 6206.201322][ T74] do_syscall_64+0xc6/0x1e0 [ 6206.201322][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6206.201322][ T74] [ 6206.202969][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6206.202969][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6206.202969][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6206.202969][ T74] ipv6_find_idev+0x102/0x170 [ 6206.202969][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6206.202969][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6206.202969][ T74] netlink_rcv_skb+0x130/0x360 [ 6206.202969][ T74] netlink_unicast+0x449/0x710 [ 6206.202969][ T74] netlink_sendmsg+0x723/0xbe0 [ 6206.202969][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6206.202969][ T74] ___sys_sendmsg+0xee/0x170 [ 6206.202969][ T74] __sys_sendmsg+0xcd/0x170 [ 6206.202969][ T74] do_syscall_64+0xc6/0x1e0 [ 6206.202969][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6206.202969][ T74] [ 6216.383960][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6216.384415][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6216.384415][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6216.384415][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6216.384415][ T74] fib6_nh_init+0xa22/0x1580 [ 6216.384415][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6216.384415][ T74] ip6_route_add+0x1c/0x140 [ 6216.384415][ T74] inet6_rtm_newroute+0x104/0x110 [ 6216.384415][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6216.384415][ T74] netlink_rcv_skb+0x130/0x360 [ 6216.384415][ T74] netlink_unicast+0x449/0x710 [ 6216.384415][ T74] netlink_sendmsg+0x723/0xbe0 [ 6216.384415][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6216.384415][ T74] ___sys_sendmsg+0xee/0x170 [ 6216.384415][ T74] __sys_sendmsg+0xcd/0x170 [ 6216.384415][ T74] do_syscall_64+0xc6/0x1e0 [ 6216.384415][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6216.384415][ T74] [ 6216.386301][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6216.386301][ T74] netdev_get_by_index+0x5e/0x80 [ 6216.386301][ T74] fib6_nh_init+0x3d8/0x1580 [ 6216.386301][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6216.386301][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6216.386301][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6216.386301][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6216.386301][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6216.386301][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6216.386301][ T74] addrconf_dad_begin+0x310/0x670 [ 6216.386301][ T74] addrconf_dad_work+0x10b/0xab0 [ 6216.386301][ T74] process_one_work+0x84d/0x18a0 [ 6216.386301][ T74] worker_thread+0x587/0xd30 [ 6216.386301][ T74] kthread+0x28a/0x350 [ 6216.386301][ T74] ret_from_fork+0x31/0x70 [ 6216.386301][ T74] ret_from_fork_asm+0x1a/0x30 [ 6216.386301][ T74] [ 6216.388207][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6216.388207][ T74] netdev_get_by_index+0x5e/0x80 [ 6216.388207][ T74] fib6_nh_init+0x3d8/0x1580 [ 6216.388207][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6216.388207][ T74] ip6_route_add+0x1c/0x140 [ 6216.388207][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6216.388207][ T74] inet6_addr_add+0x4f8/0xa40 [ 6216.388207][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6216.388207][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6216.388207][ T74] netlink_rcv_skb+0x130/0x360 [ 6216.388207][ T74] netlink_unicast+0x449/0x710 [ 6216.388207][ T74] netlink_sendmsg+0x723/0xbe0 [ 6216.388207][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6216.388207][ T74] ___sys_sendmsg+0xee/0x170 [ 6216.388207][ T74] __sys_sendmsg+0xcd/0x170 [ 6216.388207][ T74] do_syscall_64+0xc6/0x1e0 [ 6216.388207][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6216.388207][ T74] [ 6216.390218][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6216.390218][ T74] netdev_get_by_index+0x5e/0x80 [ 6216.390218][ T74] fib6_nh_init+0x3d8/0x1580 [ 6216.390218][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6216.390218][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6216.390218][ T74] ipv6_add_addr+0x411/0x2000 [ 6216.390218][ T74] inet6_addr_add+0x30e/0xa40 [ 6216.390218][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6216.390218][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6216.390218][ T74] netlink_rcv_skb+0x130/0x360 [ 6216.390218][ T74] netlink_unicast+0x449/0x710 [ 6216.390218][ T74] netlink_sendmsg+0x723/0xbe0 [ 6216.390218][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6216.390218][ T74] ___sys_sendmsg+0xee/0x170 [ 6216.390218][ T74] __sys_sendmsg+0xcd/0x170 [ 6216.390218][ T74] do_syscall_64+0xc6/0x1e0 [ 6216.390218][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6216.390218][ T74] [ 6216.392241][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6216.392241][ T74] netdev_get_by_index+0x5e/0x80 [ 6216.392241][ T74] fib6_nh_init+0x3d8/0x1580 [ 6216.392241][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6216.392241][ T74] ip6_route_add+0x1c/0x140 [ 6216.392241][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6216.392241][ T74] addrconf_add_dev+0xe2/0x170 [ 6216.392241][ T74] inet6_addr_add+0x12f/0xa40 [ 6216.392241][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6216.392241][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6216.392241][ T74] netlink_rcv_skb+0x130/0x360 [ 6216.392241][ T74] netlink_unicast+0x449/0x710 [ 6216.392241][ T74] netlink_sendmsg+0x723/0xbe0 [ 6216.392241][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6216.392241][ T74] ___sys_sendmsg+0xee/0x170 [ 6216.392241][ T74] __sys_sendmsg+0xcd/0x170 [ 6216.392241][ T74] do_syscall_64+0xc6/0x1e0 [ 6216.392241][ T74] [ 6216.394190][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6216.394190][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6216.394190][ T74] ipv6_find_idev+0x102/0x170 [ 6216.394190][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6216.394190][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6216.394190][ T74] netlink_rcv_skb+0x130/0x360 [ 6216.394190][ T74] netlink_unicast+0x449/0x710 [ 6216.394190][ T74] netlink_sendmsg+0x723/0xbe0 [ 6216.394190][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6216.394190][ T74] ___sys_sendmsg+0xee/0x170 [ 6216.394190][ T74] __sys_sendmsg+0xcd/0x170 [ 6216.394190][ T74] do_syscall_64+0xc6/0x1e0 [ 6216.394190][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6216.394190][ T74] [ 6216.395735][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6216.395735][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6216.395735][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6216.395735][ T74] ipv6_find_idev+0x102/0x170 [ 6216.395735][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6216.395735][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6216.395735][ T74] netlink_rcv_skb+0x130/0x360 [ 6216.395735][ T74] netlink_unicast+0x449/0x710 [ 6216.395735][ T74] netlink_sendmsg+0x723/0xbe0 [ 6216.395735][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6216.395735][ T74] ___sys_sendmsg+0xee/0x170 [ 6216.395735][ T74] __sys_sendmsg+0xcd/0x170 [ 6216.395735][ T74] do_syscall_64+0xc6/0x1e0 [ 6216.395735][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6216.395735][ T74] [ 6216.397419][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6216.397684][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6216.397684][ T74] dst_init+0x84/0x4a0 [ 6216.397684][ T74] dst_alloc+0x97/0x150 [ 6216.397684][ T74] ip6_dst_alloc+0x23/0x90 [ 6216.397684][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6216.397684][ T74] ip6_pol_route+0x56f/0x840 [ 6216.397684][ T74] fib6_rule_lookup+0x456/0x630 [ 6216.397684][ T74] ip6_route_input+0x59c/0xa50 [ 6216.397684][ T74] ipv6_rcv+0x397/0x810 [ 6216.397684][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6216.397684][ T74] process_backlog+0x101/0x620 [ 6216.397684][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6216.397684][ T74] net_rx_action+0x495/0xbe0 [ 6216.397684][ T74] __do_softirq+0x1b5/0x7f6 [ 6216.397684][ T74] [ 6216.399318][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6216.399318][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6216.399318][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6216.399318][ T74] fib6_nh_init+0xa22/0x1580 [ 6216.399318][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6216.399318][ T74] ip6_route_add+0x1c/0x140 [ 6216.399318][ T74] inet6_rtm_newroute+0x104/0x110 [ 6216.399318][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6216.399318][ T74] netlink_rcv_skb+0x130/0x360 [ 6216.399318][ T74] netlink_unicast+0x449/0x710 [ 6216.399318][ T74] netlink_sendmsg+0x723/0xbe0 [ 6216.399318][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6216.399318][ T74] ___sys_sendmsg+0xee/0x170 [ 6216.399318][ T74] __sys_sendmsg+0xcd/0x170 [ 6216.399318][ T74] do_syscall_64+0xc6/0x1e0 [ 6216.399318][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6216.399318][ T74] [ 6216.401194][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6216.401194][ T74] netdev_get_by_index+0x5e/0x80 [ 6216.401194][ T74] fib6_nh_init+0x3d8/0x1580 [ 6216.401194][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6216.401194][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6216.401194][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6216.401194][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6216.401194][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6216.401194][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6216.401194][ T74] addrconf_dad_begin+0x310/0x670 [ 6216.401194][ T74] addrconf_dad_work+0x10b/0xab0 [ 6216.401194][ T74] process_one_work+0x84d/0x18a0 [ 6216.401194][ T74] worker_thread+0x587/0xd30 [ 6216.401194][ T74] kthread+0x28a/0x350 [ 6216.401194][ T74] ret_from_fork+0x31/0x70 [ 6216.401194][ T74] ret_from_fork_asm+0x1a/0x30 [ 6216.401194][ T74] [ 6216.403097][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6216.403097][ T74] netdev_get_by_index+0x5e/0x80 [ 6216.403097][ T74] fib6_nh_init+0x3d8/0x1580 [ 6216.403097][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6216.403097][ T74] ip6_route_add+0x1c/0x140 [ 6216.403097][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6216.403097][ T74] inet6_addr_add+0x4f8/0xa40 [ 6216.403097][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6216.403097][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6216.403097][ T74] netlink_rcv_skb+0x130/0x360 [ 6216.403097][ T74] netlink_unicast+0x449/0x710 [ 6216.403097][ T74] netlink_sendmsg+0x723/0xbe0 [ 6216.403097][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6216.403097][ T74] ___sys_sendmsg+0xee/0x170 [ 6216.403097][ T74] __sys_sendmsg+0xcd/0x170 [ 6216.403097][ T74] do_syscall_64+0xc6/0x1e0 [ 6216.403097][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6216.403097][ T74] [ 6216.405091][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6216.405091][ T74] netdev_get_by_index+0x5e/0x80 [ 6216.405091][ T74] fib6_nh_init+0x3d8/0x1580 [ 6216.405091][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6216.405091][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6216.405091][ T74] ipv6_add_addr+0x411/0x2000 [ 6216.405091][ T74] inet6_addr_add+0x30e/0xa40 [ 6216.405091][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6216.405091][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6216.405091][ T74] netlink_rcv_skb+0x130/0x360 [ 6216.405091][ T74] netlink_unicast+0x449/0x710 [ 6216.405091][ T74] netlink_sendmsg+0x723/0xbe0 [ 6216.405091][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6216.405091][ T74] ___sys_sendmsg+0xee/0x170 [ 6216.405091][ T74] __sys_sendmsg+0xcd/0x170 [ 6216.405091][ T74] do_syscall_64+0xc6/0x1e0 [ 6216.405091][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6216.405091][ T74] [ 6216.407079][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6216.407079][ T74] netdev_get_by_index+0x5e/0x80 [ 6216.407079][ T74] fib6_nh_init+0x3d8/0x1580 [ 6216.407079][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6216.407079][ T74] ip6_route_add+0x1c/0x140 [ 6216.407079][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6216.407079][ T74] addrconf_add_dev+0xe2/0x170 [ 6216.407079][ T74] inet6_addr_add+0x12f/0xa40 [ 6216.407079][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6216.407079][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6216.407079][ T74] netlink_rcv_skb+0x130/0x360 [ 6216.407079][ T74] netlink_unicast+0x449/0x710 [ 6216.407079][ T74] netlink_sendmsg+0x723/0xbe0 [ 6216.407079][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6216.407079][ T74] ___sys_sendmsg+0xee/0x170 [ 6216.407079][ T74] __sys_sendmsg+0xcd/0x170 [ 6216.407079][ T74] do_syscall_64+0xc6/0x1e0 [ 6216.407079][ T74] [ 6216.409070][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6216.409070][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6216.409070][ T74] ipv6_find_idev+0x102/0x170 [ 6216.409070][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6216.409070][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6216.409070][ T74] netlink_rcv_skb+0x130/0x360 [ 6216.409070][ T74] netlink_unicast+0x449/0x710 [ 6216.409070][ T74] netlink_sendmsg+0x723/0xbe0 [ 6216.409070][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6216.409070][ T74] ___sys_sendmsg+0xee/0x170 [ 6216.409070][ T74] __sys_sendmsg+0xcd/0x170 [ 6216.409070][ T74] do_syscall_64+0xc6/0x1e0 [ 6216.409070][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6216.409070][ T74] [ 6216.410680][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6216.410680][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6216.410680][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6216.410680][ T74] ipv6_find_idev+0x102/0x170 [ 6216.410680][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6216.410680][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6216.410680][ T74] netlink_rcv_skb+0x130/0x360 [ 6216.410680][ T74] netlink_unicast+0x449/0x710 [ 6216.410680][ T74] netlink_sendmsg+0x723/0xbe0 [ 6216.410680][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6216.410680][ T74] ___sys_sendmsg+0xee/0x170 [ 6216.410680][ T74] __sys_sendmsg+0xcd/0x170 [ 6216.410680][ T74] do_syscall_64+0xc6/0x1e0 [ 6216.410680][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6216.410680][ T74] [ 6216.412484][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6216.412724][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6216.412724][ T74] netdev_get_by_index+0x5e/0x80 [ 6216.412724][ T74] fib6_nh_init+0x3d8/0x1580 [ 6216.412724][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6216.412724][ T74] ip6_route_add+0x1c/0x140 [ 6216.412724][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6216.412724][ T74] inet6_addr_add+0x4f8/0xa40 [ 6216.412724][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6216.412724][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6216.412724][ T74] netlink_rcv_skb+0x130/0x360 [ 6216.412724][ T74] netlink_unicast+0x449/0x710 [ 6216.412724][ T74] netlink_sendmsg+0x723/0xbe0 [ 6216.412724][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6216.412724][ T74] ___sys_sendmsg+0xee/0x170 [ 6216.412724][ T74] __sys_sendmsg+0xcd/0x170 [ 6216.412724][ T74] do_syscall_64+0xc6/0x1e0 [ 6216.412724][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6216.412724][ T74] [ 6216.414835][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6216.414835][ T74] netdev_get_by_index+0x5e/0x80 [ 6216.414835][ T74] fib6_nh_init+0x3d8/0x1580 [ 6216.414835][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6216.414835][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6216.414835][ T74] ipv6_add_addr+0x411/0x2000 [ 6216.414835][ T74] inet6_addr_add+0x30e/0xa40 [ 6216.414835][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6216.414835][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6216.414835][ T74] netlink_rcv_skb+0x130/0x360 [ 6216.414835][ T74] netlink_unicast+0x449/0x710 [ 6216.414835][ T74] netlink_sendmsg+0x723/0xbe0 [ 6216.414835][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6216.414835][ T74] ___sys_sendmsg+0xee/0x170 [ 6216.414835][ T74] __sys_sendmsg+0xcd/0x170 [ 6216.414835][ T74] do_syscall_64+0xc6/0x1e0 [ 6216.414835][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6216.414835][ T74] [ 6216.416946][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6216.416946][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6216.416946][ T74] ipv6_find_idev+0x102/0x170 [ 6216.416946][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6216.416946][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6216.416946][ T74] netlink_rcv_skb+0x130/0x360 [ 6216.416946][ T74] netlink_unicast+0x449/0x710 [ 6216.416946][ T74] netlink_sendmsg+0x723/0xbe0 [ 6216.416946][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6216.416946][ T74] ___sys_sendmsg+0xee/0x170 [ 6216.416946][ T74] __sys_sendmsg+0xcd/0x170 [ 6216.416946][ T74] do_syscall_64+0xc6/0x1e0 [ 6216.416946][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6216.416946][ T74] [ 6216.418533][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6216.418533][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6216.418533][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6216.418533][ T74] ipv6_find_idev+0x102/0x170 [ 6216.418533][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6216.418533][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6216.418533][ T74] netlink_rcv_skb+0x130/0x360 [ 6216.418533][ T74] netlink_unicast+0x449/0x710 [ 6216.418533][ T74] netlink_sendmsg+0x723/0xbe0 [ 6216.418533][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6216.418533][ T74] ___sys_sendmsg+0xee/0x170 [ 6216.418533][ T74] __sys_sendmsg+0xcd/0x170 [ 6216.418533][ T74] do_syscall_64+0xc6/0x1e0 [ 6216.418533][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6216.418533][ T74] [ 6226.519965][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6226.520392][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6226.520392][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6226.520392][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6226.520392][ T74] fib6_nh_init+0xa22/0x1580 [ 6226.520392][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6226.520392][ T74] ip6_route_add+0x1c/0x140 [ 6226.520392][ T74] inet6_rtm_newroute+0x104/0x110 [ 6226.520392][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6226.520392][ T74] netlink_rcv_skb+0x130/0x360 [ 6226.520392][ T74] netlink_unicast+0x449/0x710 [ 6226.520392][ T74] netlink_sendmsg+0x723/0xbe0 [ 6226.520392][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6226.520392][ T74] ___sys_sendmsg+0xee/0x170 [ 6226.520392][ T74] __sys_sendmsg+0xcd/0x170 [ 6226.520392][ T74] do_syscall_64+0xc6/0x1e0 [ 6226.520392][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6226.520392][ T74] [ 6226.522280][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6226.522280][ T74] netdev_get_by_index+0x5e/0x80 [ 6226.522280][ T74] fib6_nh_init+0x3d8/0x1580 [ 6226.522280][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6226.522280][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6226.522280][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6226.522280][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6226.522280][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6226.522280][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6226.522280][ T74] addrconf_dad_begin+0x310/0x670 [ 6226.522280][ T74] addrconf_dad_work+0x10b/0xab0 [ 6226.522280][ T74] process_one_work+0x84d/0x18a0 [ 6226.522280][ T74] worker_thread+0x587/0xd30 [ 6226.522280][ T74] kthread+0x28a/0x350 [ 6226.522280][ T74] ret_from_fork+0x31/0x70 [ 6226.522280][ T74] ret_from_fork_asm+0x1a/0x30 [ 6226.522280][ T74] [ 6226.524187][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6226.524187][ T74] netdev_get_by_index+0x5e/0x80 [ 6226.524187][ T74] fib6_nh_init+0x3d8/0x1580 [ 6226.524187][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6226.524187][ T74] ip6_route_add+0x1c/0x140 [ 6226.524187][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6226.524187][ T74] inet6_addr_add+0x4f8/0xa40 [ 6226.524187][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6226.524187][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6226.524187][ T74] netlink_rcv_skb+0x130/0x360 [ 6226.524187][ T74] netlink_unicast+0x449/0x710 [ 6226.524187][ T74] netlink_sendmsg+0x723/0xbe0 [ 6226.524187][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6226.524187][ T74] ___sys_sendmsg+0xee/0x170 [ 6226.524187][ T74] __sys_sendmsg+0xcd/0x170 [ 6226.524187][ T74] do_syscall_64+0xc6/0x1e0 [ 6226.524187][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6226.524187][ T74] [ 6226.526181][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6226.526181][ T74] netdev_get_by_index+0x5e/0x80 [ 6226.526181][ T74] fib6_nh_init+0x3d8/0x1580 [ 6226.526181][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6226.526181][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6226.526181][ T74] ipv6_add_addr+0x411/0x2000 [ 6226.526181][ T74] inet6_addr_add+0x30e/0xa40 [ 6226.526181][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6226.526181][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6226.526181][ T74] netlink_rcv_skb+0x130/0x360 [ 6226.526181][ T74] netlink_unicast+0x449/0x710 [ 6226.526181][ T74] netlink_sendmsg+0x723/0xbe0 [ 6226.526181][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6226.526181][ T74] ___sys_sendmsg+0xee/0x170 [ 6226.526181][ T74] __sys_sendmsg+0xcd/0x170 [ 6226.526181][ T74] do_syscall_64+0xc6/0x1e0 [ 6226.526181][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6226.526181][ T74] [ 6226.528183][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6226.528183][ T74] netdev_get_by_index+0x5e/0x80 [ 6226.528183][ T74] fib6_nh_init+0x3d8/0x1580 [ 6226.528183][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6226.528183][ T74] ip6_route_add+0x1c/0x140 [ 6226.528183][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6226.528183][ T74] addrconf_add_dev+0xe2/0x170 [ 6226.528183][ T74] inet6_addr_add+0x12f/0xa40 [ 6226.528183][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6226.528183][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6226.528183][ T74] netlink_rcv_skb+0x130/0x360 [ 6226.528183][ T74] netlink_unicast+0x449/0x710 [ 6226.528183][ T74] netlink_sendmsg+0x723/0xbe0 [ 6226.528183][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6226.528183][ T74] ___sys_sendmsg+0xee/0x170 [ 6226.528183][ T74] __sys_sendmsg+0xcd/0x170 [ 6226.528183][ T74] do_syscall_64+0xc6/0x1e0 [ 6226.528183][ T74] [ 6226.530152][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6226.530152][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6226.530152][ T74] ipv6_find_idev+0x102/0x170 [ 6226.530152][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6226.530152][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6226.530152][ T74] netlink_rcv_skb+0x130/0x360 [ 6226.530152][ T74] netlink_unicast+0x449/0x710 [ 6226.530152][ T74] netlink_sendmsg+0x723/0xbe0 [ 6226.530152][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6226.530152][ T74] ___sys_sendmsg+0xee/0x170 [ 6226.530152][ T74] __sys_sendmsg+0xcd/0x170 [ 6226.530152][ T74] do_syscall_64+0xc6/0x1e0 [ 6226.530152][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6226.530152][ T74] [ 6226.531679][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6226.531679][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6226.531679][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6226.531679][ T74] ipv6_find_idev+0x102/0x170 [ 6226.531679][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6226.531679][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6226.531679][ T74] netlink_rcv_skb+0x130/0x360 [ 6226.531679][ T74] netlink_unicast+0x449/0x710 [ 6226.531679][ T74] netlink_sendmsg+0x723/0xbe0 [ 6226.531679][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6226.531679][ T74] ___sys_sendmsg+0xee/0x170 [ 6226.531679][ T74] __sys_sendmsg+0xcd/0x170 [ 6226.531679][ T74] do_syscall_64+0xc6/0x1e0 [ 6226.531679][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6226.531679][ T74] [ 6226.533358][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6226.533630][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6226.533630][ T74] dst_init+0x84/0x4a0 [ 6226.533630][ T74] dst_alloc+0x97/0x150 [ 6226.533630][ T74] ip6_dst_alloc+0x23/0x90 [ 6226.533630][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6226.533630][ T74] ip6_pol_route+0x56f/0x840 [ 6226.533630][ T74] fib6_rule_lookup+0x456/0x630 [ 6226.533630][ T74] ip6_route_input+0x59c/0xa50 [ 6226.533630][ T74] ipv6_rcv+0x397/0x810 [ 6226.533630][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6226.533630][ T74] process_backlog+0x101/0x620 [ 6226.533630][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6226.533630][ T74] net_rx_action+0x495/0xbe0 [ 6226.533630][ T74] __do_softirq+0x1b5/0x7f6 [ 6226.533630][ T74] [ 6226.535259][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6226.535259][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6226.535259][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6226.535259][ T74] fib6_nh_init+0xa22/0x1580 [ 6226.535259][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6226.535259][ T74] ip6_route_add+0x1c/0x140 [ 6226.535259][ T74] inet6_rtm_newroute+0x104/0x110 [ 6226.535259][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6226.535259][ T74] netlink_rcv_skb+0x130/0x360 [ 6226.535259][ T74] netlink_unicast+0x449/0x710 [ 6226.535259][ T74] netlink_sendmsg+0x723/0xbe0 [ 6226.535259][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6226.535259][ T74] ___sys_sendmsg+0xee/0x170 [ 6226.535259][ T74] __sys_sendmsg+0xcd/0x170 [ 6226.535259][ T74] do_syscall_64+0xc6/0x1e0 [ 6226.535259][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6226.535259][ T74] [ 6226.537125][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6226.537125][ T74] netdev_get_by_index+0x5e/0x80 [ 6226.537125][ T74] fib6_nh_init+0x3d8/0x1580 [ 6226.537125][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6226.537125][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6226.537125][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6226.537125][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6226.537125][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6226.537125][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6226.537125][ T74] addrconf_dad_begin+0x310/0x670 [ 6226.537125][ T74] addrconf_dad_work+0x10b/0xab0 [ 6226.537125][ T74] process_one_work+0x84d/0x18a0 [ 6226.537125][ T74] worker_thread+0x587/0xd30 [ 6226.537125][ T74] kthread+0x28a/0x350 [ 6226.537125][ T74] ret_from_fork+0x31/0x70 [ 6226.537125][ T74] ret_from_fork_asm+0x1a/0x30 [ 6226.537125][ T74] [ 6226.539021][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6226.539021][ T74] netdev_get_by_index+0x5e/0x80 [ 6226.539021][ T74] fib6_nh_init+0x3d8/0x1580 [ 6226.539021][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6226.539021][ T74] ip6_route_add+0x1c/0x140 [ 6226.539021][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6226.539021][ T74] inet6_addr_add+0x4f8/0xa40 [ 6226.539021][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6226.539021][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6226.539021][ T74] netlink_rcv_skb+0x130/0x360 [ 6226.539021][ T74] netlink_unicast+0x449/0x710 [ 6226.539021][ T74] netlink_sendmsg+0x723/0xbe0 [ 6226.539021][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6226.539021][ T74] ___sys_sendmsg+0xee/0x170 [ 6226.539021][ T74] __sys_sendmsg+0xcd/0x170 [ 6226.539021][ T74] do_syscall_64+0xc6/0x1e0 [ 6226.539021][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6226.539021][ T74] [ 6226.541010][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6226.541010][ T74] netdev_get_by_index+0x5e/0x80 [ 6226.541010][ T74] fib6_nh_init+0x3d8/0x1580 [ 6226.541010][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6226.541010][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6226.541010][ T74] ipv6_add_addr+0x411/0x2000 [ 6226.541010][ T74] inet6_addr_add+0x30e/0xa40 [ 6226.541010][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6226.541010][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6226.541010][ T74] netlink_rcv_skb+0x130/0x360 [ 6226.541010][ T74] netlink_unicast+0x449/0x710 [ 6226.541010][ T74] netlink_sendmsg+0x723/0xbe0 [ 6226.541010][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6226.541010][ T74] ___sys_sendmsg+0xee/0x170 [ 6226.541010][ T74] __sys_sendmsg+0xcd/0x170 [ 6226.541010][ T74] do_syscall_64+0xc6/0x1e0 [ 6226.541010][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6226.541010][ T74] [ 6226.542998][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6226.542998][ T74] netdev_get_by_index+0x5e/0x80 [ 6226.542998][ T74] fib6_nh_init+0x3d8/0x1580 [ 6226.542998][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6226.542998][ T74] ip6_route_add+0x1c/0x140 [ 6226.542998][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6226.542998][ T74] addrconf_add_dev+0xe2/0x170 [ 6226.542998][ T74] inet6_addr_add+0x12f/0xa40 [ 6226.542998][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6226.542998][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6226.542998][ T74] netlink_rcv_skb+0x130/0x360 [ 6226.542998][ T74] netlink_unicast+0x449/0x710 [ 6226.542998][ T74] netlink_sendmsg+0x723/0xbe0 [ 6226.542998][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6226.542998][ T74] ___sys_sendmsg+0xee/0x170 [ 6226.542998][ T74] __sys_sendmsg+0xcd/0x170 [ 6226.542998][ T74] do_syscall_64+0xc6/0x1e0 [ 6226.542998][ T74] [ 6226.544960][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6226.544960][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6226.544960][ T74] ipv6_find_idev+0x102/0x170 [ 6226.544960][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6226.544960][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6226.544960][ T74] netlink_rcv_skb+0x130/0x360 [ 6226.544960][ T74] netlink_unicast+0x449/0x710 [ 6226.544960][ T74] netlink_sendmsg+0x723/0xbe0 [ 6226.544960][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6226.544960][ T74] ___sys_sendmsg+0xee/0x170 [ 6226.544960][ T74] __sys_sendmsg+0xcd/0x170 [ 6226.544960][ T74] do_syscall_64+0xc6/0x1e0 [ 6226.544960][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6226.544960][ T74] [ 6226.546549][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6226.546549][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6226.546549][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6226.546549][ T74] ipv6_find_idev+0x102/0x170 [ 6226.546549][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6226.546549][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6226.546549][ T74] netlink_rcv_skb+0x130/0x360 [ 6226.546549][ T74] netlink_unicast+0x449/0x710 [ 6226.546549][ T74] netlink_sendmsg+0x723/0xbe0 [ 6226.546549][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6226.546549][ T74] ___sys_sendmsg+0xee/0x170 [ 6226.546549][ T74] __sys_sendmsg+0xcd/0x170 [ 6226.546549][ T74] do_syscall_64+0xc6/0x1e0 [ 6226.546549][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6226.546549][ T74] [ 6226.548436][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6226.548673][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6226.548673][ T74] netdev_get_by_index+0x5e/0x80 [ 6226.548673][ T74] fib6_nh_init+0x3d8/0x1580 [ 6226.548673][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6226.548673][ T74] ip6_route_add+0x1c/0x140 [ 6226.548673][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6226.548673][ T74] inet6_addr_add+0x4f8/0xa40 [ 6226.548673][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6226.548673][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6226.548673][ T74] netlink_rcv_skb+0x130/0x360 [ 6226.548673][ T74] netlink_unicast+0x449/0x710 [ 6226.548673][ T74] netlink_sendmsg+0x723/0xbe0 [ 6226.548673][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6226.548673][ T74] ___sys_sendmsg+0xee/0x170 [ 6226.548673][ T74] __sys_sendmsg+0xcd/0x170 [ 6226.548673][ T74] do_syscall_64+0xc6/0x1e0 [ 6226.548673][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6226.548673][ T74] [ 6226.550807][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6226.550807][ T74] netdev_get_by_index+0x5e/0x80 [ 6226.550807][ T74] fib6_nh_init+0x3d8/0x1580 [ 6226.550807][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6226.550807][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6226.550807][ T74] ipv6_add_addr+0x411/0x2000 [ 6226.550807][ T74] inet6_addr_add+0x30e/0xa40 [ 6226.550807][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6226.550807][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6226.550807][ T74] netlink_rcv_skb+0x130/0x360 [ 6226.550807][ T74] netlink_unicast+0x449/0x710 [ 6226.550807][ T74] netlink_sendmsg+0x723/0xbe0 [ 6226.550807][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6226.550807][ T74] ___sys_sendmsg+0xee/0x170 [ 6226.550807][ T74] __sys_sendmsg+0xcd/0x170 [ 6226.550807][ T74] do_syscall_64+0xc6/0x1e0 [ 6226.550807][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6226.550807][ T74] [ 6226.552918][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6226.552918][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6226.552918][ T74] ipv6_find_idev+0x102/0x170 [ 6226.552918][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6226.552918][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6226.552918][ T74] netlink_rcv_skb+0x130/0x360 [ 6226.552918][ T74] netlink_unicast+0x449/0x710 [ 6226.552918][ T74] netlink_sendmsg+0x723/0xbe0 [ 6226.552918][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6226.552918][ T74] ___sys_sendmsg+0xee/0x170 [ 6226.552918][ T74] __sys_sendmsg+0xcd/0x170 [ 6226.552918][ T74] do_syscall_64+0xc6/0x1e0 [ 6226.552918][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6226.552918][ T74] [ 6226.554572][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6226.554572][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6226.554572][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6226.554572][ T74] ipv6_find_idev+0x102/0x170 [ 6226.554572][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6226.554572][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6226.554572][ T74] netlink_rcv_skb+0x130/0x360 [ 6226.554572][ T74] netlink_unicast+0x449/0x710 [ 6226.554572][ T74] netlink_sendmsg+0x723/0xbe0 [ 6226.554572][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6226.554572][ T74] ___sys_sendmsg+0xee/0x170 [ 6226.554572][ T74] __sys_sendmsg+0xcd/0x170 [ 6226.554572][ T74] do_syscall_64+0xc6/0x1e0 [ 6226.554572][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6226.554572][ T74] [ 6236.791960][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6236.792376][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6236.792376][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6236.792376][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6236.792376][ T74] fib6_nh_init+0xa22/0x1580 [ 6236.792376][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6236.792376][ T74] ip6_route_add+0x1c/0x140 [ 6236.792376][ T74] inet6_rtm_newroute+0x104/0x110 [ 6236.792376][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6236.792376][ T74] netlink_rcv_skb+0x130/0x360 [ 6236.792376][ T74] netlink_unicast+0x449/0x710 [ 6236.792376][ T74] netlink_sendmsg+0x723/0xbe0 [ 6236.792376][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6236.792376][ T74] ___sys_sendmsg+0xee/0x170 [ 6236.792376][ T74] __sys_sendmsg+0xcd/0x170 [ 6236.792376][ T74] do_syscall_64+0xc6/0x1e0 [ 6236.792376][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6236.792376][ T74] [ 6236.794274][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6236.794274][ T74] netdev_get_by_index+0x5e/0x80 [ 6236.794274][ T74] fib6_nh_init+0x3d8/0x1580 [ 6236.794274][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6236.794274][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6236.794274][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6236.794274][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6236.794274][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6236.794274][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6236.794274][ T74] addrconf_dad_begin+0x310/0x670 [ 6236.794274][ T74] addrconf_dad_work+0x10b/0xab0 [ 6236.794274][ T74] process_one_work+0x84d/0x18a0 [ 6236.794274][ T74] worker_thread+0x587/0xd30 [ 6236.794274][ T74] kthread+0x28a/0x350 [ 6236.794274][ T74] ret_from_fork+0x31/0x70 [ 6236.794274][ T74] ret_from_fork_asm+0x1a/0x30 [ 6236.794274][ T74] [ 6236.796206][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6236.796206][ T74] netdev_get_by_index+0x5e/0x80 [ 6236.796206][ T74] fib6_nh_init+0x3d8/0x1580 [ 6236.796206][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6236.796206][ T74] ip6_route_add+0x1c/0x140 [ 6236.796206][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6236.796206][ T74] inet6_addr_add+0x4f8/0xa40 [ 6236.796206][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6236.796206][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6236.796206][ T74] netlink_rcv_skb+0x130/0x360 [ 6236.796206][ T74] netlink_unicast+0x449/0x710 [ 6236.796206][ T74] netlink_sendmsg+0x723/0xbe0 [ 6236.796206][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6236.796206][ T74] ___sys_sendmsg+0xee/0x170 [ 6236.796206][ T74] __sys_sendmsg+0xcd/0x170 [ 6236.796206][ T74] do_syscall_64+0xc6/0x1e0 [ 6236.796206][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6236.796206][ T74] [ 6236.798207][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6236.798207][ T74] netdev_get_by_index+0x5e/0x80 [ 6236.798207][ T74] fib6_nh_init+0x3d8/0x1580 [ 6236.798207][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6236.798207][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6236.798207][ T74] ipv6_add_addr+0x411/0x2000 [ 6236.798207][ T74] inet6_addr_add+0x30e/0xa40 [ 6236.798207][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6236.798207][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6236.798207][ T74] netlink_rcv_skb+0x130/0x360 [ 6236.798207][ T74] netlink_unicast+0x449/0x710 [ 6236.798207][ T74] netlink_sendmsg+0x723/0xbe0 [ 6236.798207][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6236.798207][ T74] ___sys_sendmsg+0xee/0x170 [ 6236.798207][ T74] __sys_sendmsg+0xcd/0x170 [ 6236.798207][ T74] do_syscall_64+0xc6/0x1e0 [ 6236.798207][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6236.798207][ T74] [ 6236.800204][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6236.800204][ T74] netdev_get_by_index+0x5e/0x80 [ 6236.800204][ T74] fib6_nh_init+0x3d8/0x1580 [ 6236.800204][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6236.800204][ T74] ip6_route_add+0x1c/0x140 [ 6236.800204][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6236.800204][ T74] addrconf_add_dev+0xe2/0x170 [ 6236.800204][ T74] inet6_addr_add+0x12f/0xa40 [ 6236.800204][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6236.800204][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6236.800204][ T74] netlink_rcv_skb+0x130/0x360 [ 6236.800204][ T74] netlink_unicast+0x449/0x710 [ 6236.800204][ T74] netlink_sendmsg+0x723/0xbe0 [ 6236.800204][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6236.800204][ T74] ___sys_sendmsg+0xee/0x170 [ 6236.800204][ T74] __sys_sendmsg+0xcd/0x170 [ 6236.800204][ T74] do_syscall_64+0xc6/0x1e0 [ 6236.800204][ T74] [ 6236.802158][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6236.802158][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6236.802158][ T74] ipv6_find_idev+0x102/0x170 [ 6236.802158][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6236.802158][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6236.802158][ T74] netlink_rcv_skb+0x130/0x360 [ 6236.802158][ T74] netlink_unicast+0x449/0x710 [ 6236.802158][ T74] netlink_sendmsg+0x723/0xbe0 [ 6236.802158][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6236.802158][ T74] ___sys_sendmsg+0xee/0x170 [ 6236.802158][ T74] __sys_sendmsg+0xcd/0x170 [ 6236.802158][ T74] do_syscall_64+0xc6/0x1e0 [ 6236.802158][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6236.802158][ T74] [ 6236.803702][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6236.803702][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6236.803702][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6236.803702][ T74] ipv6_find_idev+0x102/0x170 [ 6236.803702][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6236.803702][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6236.803702][ T74] netlink_rcv_skb+0x130/0x360 [ 6236.803702][ T74] netlink_unicast+0x449/0x710 [ 6236.803702][ T74] netlink_sendmsg+0x723/0xbe0 [ 6236.803702][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6236.803702][ T74] ___sys_sendmsg+0xee/0x170 [ 6236.803702][ T74] __sys_sendmsg+0xcd/0x170 [ 6236.803702][ T74] do_syscall_64+0xc6/0x1e0 [ 6236.803702][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6236.803702][ T74] [ 6236.805406][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6236.805679][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6236.805679][ T74] dst_init+0x84/0x4a0 [ 6236.805679][ T74] dst_alloc+0x97/0x150 [ 6236.805679][ T74] ip6_dst_alloc+0x23/0x90 [ 6236.805679][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6236.805679][ T74] ip6_pol_route+0x56f/0x840 [ 6236.805679][ T74] fib6_rule_lookup+0x456/0x630 [ 6236.805679][ T74] ip6_route_input+0x59c/0xa50 [ 6236.805679][ T74] ipv6_rcv+0x397/0x810 [ 6236.805679][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6236.805679][ T74] process_backlog+0x101/0x620 [ 6236.805679][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6236.805679][ T74] net_rx_action+0x495/0xbe0 [ 6236.805679][ T74] __do_softirq+0x1b5/0x7f6 [ 6236.805679][ T74] [ 6236.807307][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6236.807307][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6236.807307][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6236.807307][ T74] fib6_nh_init+0xa22/0x1580 [ 6236.807307][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6236.807307][ T74] ip6_route_add+0x1c/0x140 [ 6236.807307][ T74] inet6_rtm_newroute+0x104/0x110 [ 6236.807307][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6236.807307][ T74] netlink_rcv_skb+0x130/0x360 [ 6236.807307][ T74] netlink_unicast+0x449/0x710 [ 6236.807307][ T74] netlink_sendmsg+0x723/0xbe0 [ 6236.807307][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6236.807307][ T74] ___sys_sendmsg+0xee/0x170 [ 6236.807307][ T74] __sys_sendmsg+0xcd/0x170 [ 6236.807307][ T74] do_syscall_64+0xc6/0x1e0 [ 6236.807307][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6236.807307][ T74] [ 6236.809205][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6236.809205][ T74] netdev_get_by_index+0x5e/0x80 [ 6236.809205][ T74] fib6_nh_init+0x3d8/0x1580 [ 6236.809205][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6236.809205][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6236.809205][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6236.809205][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6236.809205][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6236.809205][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6236.809205][ T74] addrconf_dad_begin+0x310/0x670 [ 6236.809205][ T74] addrconf_dad_work+0x10b/0xab0 [ 6236.809205][ T74] process_one_work+0x84d/0x18a0 [ 6236.809205][ T74] worker_thread+0x587/0xd30 [ 6236.809205][ T74] kthread+0x28a/0x350 [ 6236.809205][ T74] ret_from_fork+0x31/0x70 [ 6236.809205][ T74] ret_from_fork_asm+0x1a/0x30 [ 6236.809205][ T74] [ 6236.811105][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6236.811105][ T74] netdev_get_by_index+0x5e/0x80 [ 6236.811105][ T74] fib6_nh_init+0x3d8/0x1580 [ 6236.811105][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6236.811105][ T74] ip6_route_add+0x1c/0x140 [ 6236.811105][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6236.811105][ T74] inet6_addr_add+0x4f8/0xa40 [ 6236.811105][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6236.811105][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6236.811105][ T74] netlink_rcv_skb+0x130/0x360 [ 6236.811105][ T74] netlink_unicast+0x449/0x710 [ 6236.811105][ T74] netlink_sendmsg+0x723/0xbe0 [ 6236.811105][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6236.811105][ T74] ___sys_sendmsg+0xee/0x170 [ 6236.811105][ T74] __sys_sendmsg+0xcd/0x170 [ 6236.811105][ T74] do_syscall_64+0xc6/0x1e0 [ 6236.811105][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6236.811105][ T74] [ 6236.813152][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6236.813152][ T74] netdev_get_by_index+0x5e/0x80 [ 6236.813152][ T74] fib6_nh_init+0x3d8/0x1580 [ 6236.813152][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6236.813152][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6236.813152][ T74] ipv6_add_addr+0x411/0x2000 [ 6236.813152][ T74] inet6_addr_add+0x30e/0xa40 [ 6236.813152][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6236.813152][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6236.813152][ T74] netlink_rcv_skb+0x130/0x360 [ 6236.813152][ T74] netlink_unicast+0x449/0x710 [ 6236.813152][ T74] netlink_sendmsg+0x723/0xbe0 [ 6236.813152][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6236.813152][ T74] ___sys_sendmsg+0xee/0x170 [ 6236.813152][ T74] __sys_sendmsg+0xcd/0x170 [ 6236.813152][ T74] do_syscall_64+0xc6/0x1e0 [ 6236.813152][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6236.813152][ T74] [ 6236.815151][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6236.815151][ T74] netdev_get_by_index+0x5e/0x80 [ 6236.815151][ T74] fib6_nh_init+0x3d8/0x1580 [ 6236.815151][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6236.815151][ T74] ip6_route_add+0x1c/0x140 [ 6236.815151][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6236.815151][ T74] addrconf_add_dev+0xe2/0x170 [ 6236.815151][ T74] inet6_addr_add+0x12f/0xa40 [ 6236.815151][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6236.815151][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6236.815151][ T74] netlink_rcv_skb+0x130/0x360 [ 6236.815151][ T74] netlink_unicast+0x449/0x710 [ 6236.815151][ T74] netlink_sendmsg+0x723/0xbe0 [ 6236.815151][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6236.815151][ T74] ___sys_sendmsg+0xee/0x170 [ 6236.815151][ T74] __sys_sendmsg+0xcd/0x170 [ 6236.815151][ T74] do_syscall_64+0xc6/0x1e0 [ 6236.815151][ T74] [ 6236.817121][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6236.817121][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6236.817121][ T74] ipv6_find_idev+0x102/0x170 [ 6236.817121][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6236.817121][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6236.817121][ T74] netlink_rcv_skb+0x130/0x360 [ 6236.817121][ T74] netlink_unicast+0x449/0x710 [ 6236.817121][ T74] netlink_sendmsg+0x723/0xbe0 [ 6236.817121][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6236.817121][ T74] ___sys_sendmsg+0xee/0x170 [ 6236.817121][ T74] __sys_sendmsg+0xcd/0x170 [ 6236.817121][ T74] do_syscall_64+0xc6/0x1e0 [ 6236.817121][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6236.817121][ T74] [ 6236.818719][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6236.818719][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6236.818719][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6236.818719][ T74] ipv6_find_idev+0x102/0x170 [ 6236.818719][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6236.818719][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6236.818719][ T74] netlink_rcv_skb+0x130/0x360 [ 6236.818719][ T74] netlink_unicast+0x449/0x710 [ 6236.818719][ T74] netlink_sendmsg+0x723/0xbe0 [ 6236.818719][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6236.818719][ T74] ___sys_sendmsg+0xee/0x170 [ 6236.818719][ T74] __sys_sendmsg+0xcd/0x170 [ 6236.818719][ T74] do_syscall_64+0xc6/0x1e0 [ 6236.818719][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6236.818719][ T74] [ 6236.820558][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6236.820875][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6236.820875][ T74] netdev_get_by_index+0x5e/0x80 [ 6236.820875][ T74] fib6_nh_init+0x3d8/0x1580 [ 6236.820875][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6236.820875][ T74] ip6_route_add+0x1c/0x140 [ 6236.820875][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6236.820875][ T74] inet6_addr_add+0x4f8/0xa40 [ 6236.820875][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6236.820875][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6236.820875][ T74] netlink_rcv_skb+0x130/0x360 [ 6236.820875][ T74] netlink_unicast+0x449/0x710 [ 6236.820875][ T74] netlink_sendmsg+0x723/0xbe0 [ 6236.820875][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6236.820875][ T74] ___sys_sendmsg+0xee/0x170 [ 6236.820875][ T74] __sys_sendmsg+0xcd/0x170 [ 6236.820875][ T74] do_syscall_64+0xc6/0x1e0 [ 6236.820875][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6236.820875][ T74] [ 6236.822924][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6236.822924][ T74] netdev_get_by_index+0x5e/0x80 [ 6236.822924][ T74] fib6_nh_init+0x3d8/0x1580 [ 6236.822924][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6236.822924][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6236.822924][ T74] ipv6_add_addr+0x411/0x2000 [ 6236.822924][ T74] inet6_addr_add+0x30e/0xa40 [ 6236.822924][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6236.822924][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6236.822924][ T74] netlink_rcv_skb+0x130/0x360 [ 6236.822924][ T74] netlink_unicast+0x449/0x710 [ 6236.822924][ T74] netlink_sendmsg+0x723/0xbe0 [ 6236.822924][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6236.822924][ T74] ___sys_sendmsg+0xee/0x170 [ 6236.822924][ T74] __sys_sendmsg+0xcd/0x170 [ 6236.822924][ T74] do_syscall_64+0xc6/0x1e0 [ 6236.822924][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6236.822924][ T74] [ 6236.825040][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6236.825040][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6236.825040][ T74] ipv6_find_idev+0x102/0x170 [ 6236.825040][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6236.825040][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6236.825040][ T74] netlink_rcv_skb+0x130/0x360 [ 6236.825040][ T74] netlink_unicast+0x449/0x710 [ 6236.825040][ T74] netlink_sendmsg+0x723/0xbe0 [ 6236.825040][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6236.825040][ T74] ___sys_sendmsg+0xee/0x170 [ 6236.825040][ T74] __sys_sendmsg+0xcd/0x170 [ 6236.825040][ T74] do_syscall_64+0xc6/0x1e0 [ 6236.825040][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6236.825040][ T74] [ 6236.826693][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6236.826693][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6236.826693][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6236.826693][ T74] ipv6_find_idev+0x102/0x170 [ 6236.826693][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6236.826693][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6236.826693][ T74] netlink_rcv_skb+0x130/0x360 [ 6236.826693][ T74] netlink_unicast+0x449/0x710 [ 6236.826693][ T74] netlink_sendmsg+0x723/0xbe0 [ 6236.826693][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6236.826693][ T74] ___sys_sendmsg+0xee/0x170 [ 6236.826693][ T74] __sys_sendmsg+0xcd/0x170 [ 6236.826693][ T74] do_syscall_64+0xc6/0x1e0 [ 6236.826693][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6236.826693][ T74] [ 6246.943965][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6246.944335][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6246.944335][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6246.944335][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6246.944335][ T74] fib6_nh_init+0xa22/0x1580 [ 6246.944335][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6246.944335][ T74] ip6_route_add+0x1c/0x140 [ 6246.944335][ T74] inet6_rtm_newroute+0x104/0x110 [ 6246.944335][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6246.944335][ T74] netlink_rcv_skb+0x130/0x360 [ 6246.944335][ T74] netlink_unicast+0x449/0x710 [ 6246.944335][ T74] netlink_sendmsg+0x723/0xbe0 [ 6246.944335][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6246.944335][ T74] ___sys_sendmsg+0xee/0x170 [ 6246.944335][ T74] __sys_sendmsg+0xcd/0x170 [ 6246.944335][ T74] do_syscall_64+0xc6/0x1e0 [ 6246.944335][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6246.944335][ T74] [ 6246.946234][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6246.946234][ T74] netdev_get_by_index+0x5e/0x80 [ 6246.946234][ T74] fib6_nh_init+0x3d8/0x1580 [ 6246.946234][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6246.946234][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6246.946234][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6246.946234][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6246.946234][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6246.946234][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6246.946234][ T74] addrconf_dad_begin+0x310/0x670 [ 6246.946234][ T74] addrconf_dad_work+0x10b/0xab0 [ 6246.946234][ T74] process_one_work+0x84d/0x18a0 [ 6246.946234][ T74] worker_thread+0x587/0xd30 [ 6246.946234][ T74] kthread+0x28a/0x350 [ 6246.946234][ T74] ret_from_fork+0x31/0x70 [ 6246.946234][ T74] ret_from_fork_asm+0x1a/0x30 [ 6246.946234][ T74] [ 6246.948141][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6246.948141][ T74] netdev_get_by_index+0x5e/0x80 [ 6246.948141][ T74] fib6_nh_init+0x3d8/0x1580 [ 6246.948141][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6246.948141][ T74] ip6_route_add+0x1c/0x140 [ 6246.948141][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6246.948141][ T74] inet6_addr_add+0x4f8/0xa40 [ 6246.948141][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6246.948141][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6246.948141][ T74] netlink_rcv_skb+0x130/0x360 [ 6246.948141][ T74] netlink_unicast+0x449/0x710 [ 6246.948141][ T74] netlink_sendmsg+0x723/0xbe0 [ 6246.948141][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6246.948141][ T74] ___sys_sendmsg+0xee/0x170 [ 6246.948141][ T74] __sys_sendmsg+0xcd/0x170 [ 6246.948141][ T74] do_syscall_64+0xc6/0x1e0 [ 6246.948141][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6246.948141][ T74] [ 6246.950153][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6246.950153][ T74] netdev_get_by_index+0x5e/0x80 [ 6246.950153][ T74] fib6_nh_init+0x3d8/0x1580 [ 6246.950153][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6246.950153][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6246.950153][ T74] ipv6_add_addr+0x411/0x2000 [ 6246.950153][ T74] inet6_addr_add+0x30e/0xa40 [ 6246.950153][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6246.950153][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6246.950153][ T74] netlink_rcv_skb+0x130/0x360 [ 6246.950153][ T74] netlink_unicast+0x449/0x710 [ 6246.950153][ T74] netlink_sendmsg+0x723/0xbe0 [ 6246.950153][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6246.950153][ T74] ___sys_sendmsg+0xee/0x170 [ 6246.950153][ T74] __sys_sendmsg+0xcd/0x170 [ 6246.950153][ T74] do_syscall_64+0xc6/0x1e0 [ 6246.950153][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6246.950153][ T74] [ 6246.952144][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6246.952144][ T74] netdev_get_by_index+0x5e/0x80 [ 6246.952144][ T74] fib6_nh_init+0x3d8/0x1580 [ 6246.952144][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6246.952144][ T74] ip6_route_add+0x1c/0x140 [ 6246.952144][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6246.952144][ T74] addrconf_add_dev+0xe2/0x170 [ 6246.952144][ T74] inet6_addr_add+0x12f/0xa40 [ 6246.952144][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6246.952144][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6246.952144][ T74] netlink_rcv_skb+0x130/0x360 [ 6246.952144][ T74] netlink_unicast+0x449/0x710 [ 6246.952144][ T74] netlink_sendmsg+0x723/0xbe0 [ 6246.952144][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6246.952144][ T74] ___sys_sendmsg+0xee/0x170 [ 6246.952144][ T74] __sys_sendmsg+0xcd/0x170 [ 6246.952144][ T74] do_syscall_64+0xc6/0x1e0 [ 6246.952144][ T74] [ 6246.954102][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6246.954102][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6246.954102][ T74] ipv6_find_idev+0x102/0x170 [ 6246.954102][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6246.954102][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6246.954102][ T74] netlink_rcv_skb+0x130/0x360 [ 6246.954102][ T74] netlink_unicast+0x449/0x710 [ 6246.954102][ T74] netlink_sendmsg+0x723/0xbe0 [ 6246.954102][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6246.954102][ T74] ___sys_sendmsg+0xee/0x170 [ 6246.954102][ T74] __sys_sendmsg+0xcd/0x170 [ 6246.954102][ T74] do_syscall_64+0xc6/0x1e0 [ 6246.954102][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6246.954102][ T74] [ 6246.955641][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6246.955641][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6246.955641][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6246.955641][ T74] ipv6_find_idev+0x102/0x170 [ 6246.955641][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6246.955641][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6246.955641][ T74] netlink_rcv_skb+0x130/0x360 [ 6246.955641][ T74] netlink_unicast+0x449/0x710 [ 6246.955641][ T74] netlink_sendmsg+0x723/0xbe0 [ 6246.955641][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6246.955641][ T74] ___sys_sendmsg+0xee/0x170 [ 6246.955641][ T74] __sys_sendmsg+0xcd/0x170 [ 6246.955641][ T74] do_syscall_64+0xc6/0x1e0 [ 6246.955641][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6246.955641][ T74] [ 6246.957319][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6246.957602][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6246.957602][ T74] dst_init+0x84/0x4a0 [ 6246.957602][ T74] dst_alloc+0x97/0x150 [ 6246.957602][ T74] ip6_dst_alloc+0x23/0x90 [ 6246.957602][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6246.957602][ T74] ip6_pol_route+0x56f/0x840 [ 6246.957602][ T74] fib6_rule_lookup+0x456/0x630 [ 6246.957602][ T74] ip6_route_input+0x59c/0xa50 [ 6246.957602][ T74] ipv6_rcv+0x397/0x810 [ 6246.957602][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6246.957602][ T74] process_backlog+0x101/0x620 [ 6246.957602][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6246.957602][ T74] net_rx_action+0x495/0xbe0 [ 6246.957602][ T74] __do_softirq+0x1b5/0x7f6 [ 6246.957602][ T74] [ 6246.959256][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6246.959256][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6246.959256][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6246.959256][ T74] fib6_nh_init+0xa22/0x1580 [ 6246.959256][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6246.959256][ T74] ip6_route_add+0x1c/0x140 [ 6246.959256][ T74] inet6_rtm_newroute+0x104/0x110 [ 6246.959256][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6246.959256][ T74] netlink_rcv_skb+0x130/0x360 [ 6246.959256][ T74] netlink_unicast+0x449/0x710 [ 6246.959256][ T74] netlink_sendmsg+0x723/0xbe0 [ 6246.959256][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6246.959256][ T74] ___sys_sendmsg+0xee/0x170 [ 6246.959256][ T74] __sys_sendmsg+0xcd/0x170 [ 6246.959256][ T74] do_syscall_64+0xc6/0x1e0 [ 6246.959256][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6246.959256][ T74] [ 6246.961138][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6246.961138][ T74] netdev_get_by_index+0x5e/0x80 [ 6246.961138][ T74] fib6_nh_init+0x3d8/0x1580 [ 6246.961138][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6246.961138][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6246.961138][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6246.961138][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6246.961138][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6246.961138][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6246.961138][ T74] addrconf_dad_begin+0x310/0x670 [ 6246.961138][ T74] addrconf_dad_work+0x10b/0xab0 [ 6246.961138][ T74] process_one_work+0x84d/0x18a0 [ 6246.961138][ T74] worker_thread+0x587/0xd30 [ 6246.961138][ T74] kthread+0x28a/0x350 [ 6246.961138][ T74] ret_from_fork+0x31/0x70 [ 6246.961138][ T74] ret_from_fork_asm+0x1a/0x30 [ 6246.961138][ T74] [ 6246.963035][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6246.963035][ T74] netdev_get_by_index+0x5e/0x80 [ 6246.963035][ T74] fib6_nh_init+0x3d8/0x1580 [ 6246.963035][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6246.963035][ T74] ip6_route_add+0x1c/0x140 [ 6246.963035][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6246.963035][ T74] inet6_addr_add+0x4f8/0xa40 [ 6246.963035][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6246.963035][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6246.963035][ T74] netlink_rcv_skb+0x130/0x360 [ 6246.963035][ T74] netlink_unicast+0x449/0x710 [ 6246.963035][ T74] netlink_sendmsg+0x723/0xbe0 [ 6246.963035][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6246.963035][ T74] ___sys_sendmsg+0xee/0x170 [ 6246.963035][ T74] __sys_sendmsg+0xcd/0x170 [ 6246.963035][ T74] do_syscall_64+0xc6/0x1e0 [ 6246.963035][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6246.963035][ T74] [ 6246.965074][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6246.965074][ T74] netdev_get_by_index+0x5e/0x80 [ 6246.965074][ T74] fib6_nh_init+0x3d8/0x1580 [ 6246.965074][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6246.965074][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6246.965074][ T74] ipv6_add_addr+0x411/0x2000 [ 6246.965074][ T74] inet6_addr_add+0x30e/0xa40 [ 6246.965074][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6246.965074][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6246.965074][ T74] netlink_rcv_skb+0x130/0x360 [ 6246.965074][ T74] netlink_unicast+0x449/0x710 [ 6246.965074][ T74] netlink_sendmsg+0x723/0xbe0 [ 6246.965074][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6246.965074][ T74] ___sys_sendmsg+0xee/0x170 [ 6246.965074][ T74] __sys_sendmsg+0xcd/0x170 [ 6246.965074][ T74] do_syscall_64+0xc6/0x1e0 [ 6246.965074][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6246.965074][ T74] [ 6246.967065][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6246.967065][ T74] netdev_get_by_index+0x5e/0x80 [ 6246.967065][ T74] fib6_nh_init+0x3d8/0x1580 [ 6246.967065][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6246.967065][ T74] ip6_route_add+0x1c/0x140 [ 6246.967065][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6246.967065][ T74] addrconf_add_dev+0xe2/0x170 [ 6246.967065][ T74] inet6_addr_add+0x12f/0xa40 [ 6246.967065][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6246.967065][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6246.967065][ T74] netlink_rcv_skb+0x130/0x360 [ 6246.967065][ T74] netlink_unicast+0x449/0x710 [ 6246.967065][ T74] netlink_sendmsg+0x723/0xbe0 [ 6246.967065][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6246.967065][ T74] ___sys_sendmsg+0xee/0x170 [ 6246.967065][ T74] __sys_sendmsg+0xcd/0x170 [ 6246.967065][ T74] do_syscall_64+0xc6/0x1e0 [ 6246.967065][ T74] [ 6246.969037][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6246.969037][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6246.969037][ T74] ipv6_find_idev+0x102/0x170 [ 6246.969037][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6246.969037][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6246.969037][ T74] netlink_rcv_skb+0x130/0x360 [ 6246.969037][ T74] netlink_unicast+0x449/0x710 [ 6246.969037][ T74] netlink_sendmsg+0x723/0xbe0 [ 6246.969037][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6246.969037][ T74] ___sys_sendmsg+0xee/0x170 [ 6246.969037][ T74] __sys_sendmsg+0xcd/0x170 [ 6246.969037][ T74] do_syscall_64+0xc6/0x1e0 [ 6246.969037][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6246.969037][ T74] [ 6246.970636][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6246.970636][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6246.970636][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6246.970636][ T74] ipv6_find_idev+0x102/0x170 [ 6246.970636][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6246.970636][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6246.970636][ T74] netlink_rcv_skb+0x130/0x360 [ 6246.970636][ T74] netlink_unicast+0x449/0x710 [ 6246.970636][ T74] netlink_sendmsg+0x723/0xbe0 [ 6246.970636][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6246.970636][ T74] ___sys_sendmsg+0xee/0x170 [ 6246.970636][ T74] __sys_sendmsg+0xcd/0x170 [ 6246.970636][ T74] do_syscall_64+0xc6/0x1e0 [ 6246.970636][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6246.970636][ T74] [ 6246.972449][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6246.972690][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6246.972690][ T74] netdev_get_by_index+0x5e/0x80 [ 6246.972690][ T74] fib6_nh_init+0x3d8/0x1580 [ 6246.972690][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6246.972690][ T74] ip6_route_add+0x1c/0x140 [ 6246.972690][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6246.972690][ T74] inet6_addr_add+0x4f8/0xa40 [ 6246.972690][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6246.972690][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6246.972690][ T74] netlink_rcv_skb+0x130/0x360 [ 6246.972690][ T74] netlink_unicast+0x449/0x710 [ 6246.972690][ T74] netlink_sendmsg+0x723/0xbe0 [ 6246.972690][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6246.972690][ T74] ___sys_sendmsg+0xee/0x170 [ 6246.972690][ T74] __sys_sendmsg+0xcd/0x170 [ 6246.972690][ T74] do_syscall_64+0xc6/0x1e0 [ 6246.972690][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6246.972690][ T74] [ 6246.974809][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6246.974809][ T74] netdev_get_by_index+0x5e/0x80 [ 6246.974809][ T74] fib6_nh_init+0x3d8/0x1580 [ 6246.974809][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6246.974809][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6246.974809][ T74] ipv6_add_addr+0x411/0x2000 [ 6246.974809][ T74] inet6_addr_add+0x30e/0xa40 [ 6246.974809][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6246.974809][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6246.974809][ T74] netlink_rcv_skb+0x130/0x360 [ 6246.974809][ T74] netlink_unicast+0x449/0x710 [ 6246.974809][ T74] netlink_sendmsg+0x723/0xbe0 [ 6246.974809][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6246.974809][ T74] ___sys_sendmsg+0xee/0x170 [ 6246.974809][ T74] __sys_sendmsg+0xcd/0x170 [ 6246.974809][ T74] do_syscall_64+0xc6/0x1e0 [ 6246.974809][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6246.974809][ T74] [ 6246.976942][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6246.976942][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6246.976942][ T74] ipv6_find_idev+0x102/0x170 [ 6246.976942][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6246.976942][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6246.976942][ T74] netlink_rcv_skb+0x130/0x360 [ 6246.976942][ T74] netlink_unicast+0x449/0x710 [ 6246.976942][ T74] netlink_sendmsg+0x723/0xbe0 [ 6246.976942][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6246.976942][ T74] ___sys_sendmsg+0xee/0x170 [ 6246.976942][ T74] __sys_sendmsg+0xcd/0x170 [ 6246.976942][ T74] do_syscall_64+0xc6/0x1e0 [ 6246.976942][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6246.976942][ T74] [ 6246.978539][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6246.978539][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6246.978539][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6246.978539][ T74] ipv6_find_idev+0x102/0x170 [ 6246.978539][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6246.978539][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6246.978539][ T74] netlink_rcv_skb+0x130/0x360 [ 6246.978539][ T74] netlink_unicast+0x449/0x710 [ 6246.978539][ T74] netlink_sendmsg+0x723/0xbe0 [ 6246.978539][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6246.978539][ T74] ___sys_sendmsg+0xee/0x170 [ 6246.978539][ T74] __sys_sendmsg+0xcd/0x170 [ 6246.978539][ T74] do_syscall_64+0xc6/0x1e0 [ 6246.978539][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6246.978539][ T74] [ 6257.103960][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6257.104322][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6257.104322][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6257.104322][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6257.104322][ T74] fib6_nh_init+0xa22/0x1580 [ 6257.104322][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6257.104322][ T74] ip6_route_add+0x1c/0x140 [ 6257.104322][ T74] inet6_rtm_newroute+0x104/0x110 [ 6257.104322][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6257.104322][ T74] netlink_rcv_skb+0x130/0x360 [ 6257.104322][ T74] netlink_unicast+0x449/0x710 [ 6257.104322][ T74] netlink_sendmsg+0x723/0xbe0 [ 6257.104322][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6257.104322][ T74] ___sys_sendmsg+0xee/0x170 [ 6257.104322][ T74] __sys_sendmsg+0xcd/0x170 [ 6257.104322][ T74] do_syscall_64+0xc6/0x1e0 [ 6257.104322][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6257.104322][ T74] [ 6257.106223][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6257.106223][ T74] netdev_get_by_index+0x5e/0x80 [ 6257.106223][ T74] fib6_nh_init+0x3d8/0x1580 [ 6257.106223][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6257.106223][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6257.106223][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6257.106223][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6257.106223][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6257.106223][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6257.106223][ T74] addrconf_dad_begin+0x310/0x670 [ 6257.106223][ T74] addrconf_dad_work+0x10b/0xab0 [ 6257.106223][ T74] process_one_work+0x84d/0x18a0 [ 6257.106223][ T74] worker_thread+0x587/0xd30 [ 6257.106223][ T74] kthread+0x28a/0x350 [ 6257.106223][ T74] ret_from_fork+0x31/0x70 [ 6257.106223][ T74] ret_from_fork_asm+0x1a/0x30 [ 6257.106223][ T74] [ 6257.108130][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6257.108130][ T74] netdev_get_by_index+0x5e/0x80 [ 6257.108130][ T74] fib6_nh_init+0x3d8/0x1580 [ 6257.108130][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6257.108130][ T74] ip6_route_add+0x1c/0x140 [ 6257.108130][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6257.108130][ T74] inet6_addr_add+0x4f8/0xa40 [ 6257.108130][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6257.108130][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6257.108130][ T74] netlink_rcv_skb+0x130/0x360 [ 6257.108130][ T74] netlink_unicast+0x449/0x710 [ 6257.108130][ T74] netlink_sendmsg+0x723/0xbe0 [ 6257.108130][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6257.108130][ T74] ___sys_sendmsg+0xee/0x170 [ 6257.108130][ T74] __sys_sendmsg+0xcd/0x170 [ 6257.108130][ T74] do_syscall_64+0xc6/0x1e0 [ 6257.108130][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6257.108130][ T74] [ 6257.110137][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6257.110137][ T74] netdev_get_by_index+0x5e/0x80 [ 6257.110137][ T74] fib6_nh_init+0x3d8/0x1580 [ 6257.110137][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6257.110137][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6257.110137][ T74] ipv6_add_addr+0x411/0x2000 [ 6257.110137][ T74] inet6_addr_add+0x30e/0xa40 [ 6257.110137][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6257.110137][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6257.110137][ T74] netlink_rcv_skb+0x130/0x360 [ 6257.110137][ T74] netlink_unicast+0x449/0x710 [ 6257.110137][ T74] netlink_sendmsg+0x723/0xbe0 [ 6257.110137][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6257.110137][ T74] ___sys_sendmsg+0xee/0x170 [ 6257.110137][ T74] __sys_sendmsg+0xcd/0x170 [ 6257.110137][ T74] do_syscall_64+0xc6/0x1e0 [ 6257.110137][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6257.110137][ T74] [ 6257.112128][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6257.112128][ T74] netdev_get_by_index+0x5e/0x80 [ 6257.112128][ T74] fib6_nh_init+0x3d8/0x1580 [ 6257.112128][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6257.112128][ T74] ip6_route_add+0x1c/0x140 [ 6257.112128][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6257.112128][ T74] addrconf_add_dev+0xe2/0x170 [ 6257.112128][ T74] inet6_addr_add+0x12f/0xa40 [ 6257.112128][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6257.112128][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6257.112128][ T74] netlink_rcv_skb+0x130/0x360 [ 6257.112128][ T74] netlink_unicast+0x449/0x710 [ 6257.112128][ T74] netlink_sendmsg+0x723/0xbe0 [ 6257.112128][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6257.112128][ T74] ___sys_sendmsg+0xee/0x170 [ 6257.112128][ T74] __sys_sendmsg+0xcd/0x170 [ 6257.112128][ T74] do_syscall_64+0xc6/0x1e0 [ 6257.112128][ T74] [ 6257.114102][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6257.114102][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6257.114102][ T74] ipv6_find_idev+0x102/0x170 [ 6257.114102][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6257.114102][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6257.114102][ T74] netlink_rcv_skb+0x130/0x360 [ 6257.114102][ T74] netlink_unicast+0x449/0x710 [ 6257.114102][ T74] netlink_sendmsg+0x723/0xbe0 [ 6257.114102][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6257.114102][ T74] ___sys_sendmsg+0xee/0x170 [ 6257.114102][ T74] __sys_sendmsg+0xcd/0x170 [ 6257.114102][ T74] do_syscall_64+0xc6/0x1e0 [ 6257.114102][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6257.114102][ T74] [ 6257.115643][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6257.115643][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6257.115643][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6257.115643][ T74] ipv6_find_idev+0x102/0x170 [ 6257.115643][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6257.115643][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6257.115643][ T74] netlink_rcv_skb+0x130/0x360 [ 6257.115643][ T74] netlink_unicast+0x449/0x710 [ 6257.115643][ T74] netlink_sendmsg+0x723/0xbe0 [ 6257.115643][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6257.115643][ T74] ___sys_sendmsg+0xee/0x170 [ 6257.115643][ T74] __sys_sendmsg+0xcd/0x170 [ 6257.115643][ T74] do_syscall_64+0xc6/0x1e0 [ 6257.115643][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6257.115643][ T74] [ 6257.117338][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6257.117615][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6257.117615][ T74] dst_init+0x84/0x4a0 [ 6257.117615][ T74] dst_alloc+0x97/0x150 [ 6257.117615][ T74] ip6_dst_alloc+0x23/0x90 [ 6257.117615][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6257.117615][ T74] ip6_pol_route+0x56f/0x840 [ 6257.117615][ T74] fib6_rule_lookup+0x456/0x630 [ 6257.117615][ T74] ip6_route_input+0x59c/0xa50 [ 6257.117615][ T74] ipv6_rcv+0x397/0x810 [ 6257.117615][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6257.117615][ T74] process_backlog+0x101/0x620 [ 6257.117615][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6257.117615][ T74] net_rx_action+0x495/0xbe0 [ 6257.117615][ T74] __do_softirq+0x1b5/0x7f6 [ 6257.117615][ T74] [ 6257.119252][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6257.119252][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6257.119252][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6257.119252][ T74] fib6_nh_init+0xa22/0x1580 [ 6257.119252][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6257.119252][ T74] ip6_route_add+0x1c/0x140 [ 6257.119252][ T74] inet6_rtm_newroute+0x104/0x110 [ 6257.119252][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6257.119252][ T74] netlink_rcv_skb+0x130/0x360 [ 6257.119252][ T74] netlink_unicast+0x449/0x710 [ 6257.119252][ T74] netlink_sendmsg+0x723/0xbe0 [ 6257.119252][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6257.119252][ T74] ___sys_sendmsg+0xee/0x170 [ 6257.119252][ T74] __sys_sendmsg+0xcd/0x170 [ 6257.119252][ T74] do_syscall_64+0xc6/0x1e0 [ 6257.119252][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6257.119252][ T74] [ 6257.121118][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6257.121118][ T74] netdev_get_by_index+0x5e/0x80 [ 6257.121118][ T74] fib6_nh_init+0x3d8/0x1580 [ 6257.121118][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6257.121118][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6257.121118][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6257.121118][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6257.121118][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6257.121118][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6257.121118][ T74] addrconf_dad_begin+0x310/0x670 [ 6257.121118][ T74] addrconf_dad_work+0x10b/0xab0 [ 6257.121118][ T74] process_one_work+0x84d/0x18a0 [ 6257.121118][ T74] worker_thread+0x587/0xd30 [ 6257.121118][ T74] kthread+0x28a/0x350 [ 6257.121118][ T74] ret_from_fork+0x31/0x70 [ 6257.121118][ T74] ret_from_fork_asm+0x1a/0x30 [ 6257.121118][ T74] [ 6257.123024][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6257.123024][ T74] netdev_get_by_index+0x5e/0x80 [ 6257.123024][ T74] fib6_nh_init+0x3d8/0x1580 [ 6257.123024][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6257.123024][ T74] ip6_route_add+0x1c/0x140 [ 6257.123024][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6257.123024][ T74] inet6_addr_add+0x4f8/0xa40 [ 6257.123024][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6257.123024][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6257.123024][ T74] netlink_rcv_skb+0x130/0x360 [ 6257.123024][ T74] netlink_unicast+0x449/0x710 [ 6257.123024][ T74] netlink_sendmsg+0x723/0xbe0 [ 6257.123024][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6257.123024][ T74] ___sys_sendmsg+0xee/0x170 [ 6257.123024][ T74] __sys_sendmsg+0xcd/0x170 [ 6257.123024][ T74] do_syscall_64+0xc6/0x1e0 [ 6257.123024][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6257.123024][ T74] [ 6257.125017][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6257.125017][ T74] netdev_get_by_index+0x5e/0x80 [ 6257.125017][ T74] fib6_nh_init+0x3d8/0x1580 [ 6257.125017][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6257.125017][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6257.125017][ T74] ipv6_add_addr+0x411/0x2000 [ 6257.125017][ T74] inet6_addr_add+0x30e/0xa40 [ 6257.125017][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6257.125017][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6257.125017][ T74] netlink_rcv_skb+0x130/0x360 [ 6257.125017][ T74] netlink_unicast+0x449/0x710 [ 6257.125017][ T74] netlink_sendmsg+0x723/0xbe0 [ 6257.125017][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6257.125017][ T74] ___sys_sendmsg+0xee/0x170 [ 6257.125017][ T74] __sys_sendmsg+0xcd/0x170 [ 6257.125017][ T74] do_syscall_64+0xc6/0x1e0 [ 6257.125017][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6257.125017][ T74] [ 6257.127013][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6257.127013][ T74] netdev_get_by_index+0x5e/0x80 [ 6257.127013][ T74] fib6_nh_init+0x3d8/0x1580 [ 6257.127013][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6257.127013][ T74] ip6_route_add+0x1c/0x140 [ 6257.127013][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6257.127013][ T74] addrconf_add_dev+0xe2/0x170 [ 6257.127013][ T74] inet6_addr_add+0x12f/0xa40 [ 6257.127013][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6257.127013][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6257.127013][ T74] netlink_rcv_skb+0x130/0x360 [ 6257.127013][ T74] netlink_unicast+0x449/0x710 [ 6257.127013][ T74] netlink_sendmsg+0x723/0xbe0 [ 6257.127013][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6257.127013][ T74] ___sys_sendmsg+0xee/0x170 [ 6257.127013][ T74] __sys_sendmsg+0xcd/0x170 [ 6257.127013][ T74] do_syscall_64+0xc6/0x1e0 [ 6257.127013][ T74] [ 6257.128969][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6257.128969][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6257.128969][ T74] ipv6_find_idev+0x102/0x170 [ 6257.128969][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6257.128969][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6257.128969][ T74] netlink_rcv_skb+0x130/0x360 [ 6257.128969][ T74] netlink_unicast+0x449/0x710 [ 6257.128969][ T74] netlink_sendmsg+0x723/0xbe0 [ 6257.128969][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6257.128969][ T74] ___sys_sendmsg+0xee/0x170 [ 6257.128969][ T74] __sys_sendmsg+0xcd/0x170 [ 6257.128969][ T74] do_syscall_64+0xc6/0x1e0 [ 6257.128969][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6257.128969][ T74] [ 6257.130636][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6257.130636][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6257.130636][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6257.130636][ T74] ipv6_find_idev+0x102/0x170 [ 6257.130636][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6257.130636][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6257.130636][ T74] netlink_rcv_skb+0x130/0x360 [ 6257.130636][ T74] netlink_unicast+0x449/0x710 [ 6257.130636][ T74] netlink_sendmsg+0x723/0xbe0 [ 6257.130636][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6257.130636][ T74] ___sys_sendmsg+0xee/0x170 [ 6257.130636][ T74] __sys_sendmsg+0xcd/0x170 [ 6257.130636][ T74] do_syscall_64+0xc6/0x1e0 [ 6257.130636][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6257.130636][ T74] [ 6257.132560][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6257.132869][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6257.132869][ T74] netdev_get_by_index+0x5e/0x80 [ 6257.132869][ T74] fib6_nh_init+0x3d8/0x1580 [ 6257.132869][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6257.132869][ T74] ip6_route_add+0x1c/0x140 [ 6257.132869][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6257.132869][ T74] inet6_addr_add+0x4f8/0xa40 [ 6257.132869][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6257.132869][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6257.132869][ T74] netlink_rcv_skb+0x130/0x360 [ 6257.132869][ T74] netlink_unicast+0x449/0x710 [ 6257.132869][ T74] netlink_sendmsg+0x723/0xbe0 [ 6257.132869][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6257.132869][ T74] ___sys_sendmsg+0xee/0x170 [ 6257.132869][ T74] __sys_sendmsg+0xcd/0x170 [ 6257.132869][ T74] do_syscall_64+0xc6/0x1e0 [ 6257.132869][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6257.132869][ T74] [ 6257.134982][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6257.134982][ T74] netdev_get_by_index+0x5e/0x80 [ 6257.134982][ T74] fib6_nh_init+0x3d8/0x1580 [ 6257.134982][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6257.134982][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6257.134982][ T74] ipv6_add_addr+0x411/0x2000 [ 6257.134982][ T74] inet6_addr_add+0x30e/0xa40 [ 6257.134982][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6257.134982][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6257.134982][ T74] netlink_rcv_skb+0x130/0x360 [ 6257.134982][ T74] netlink_unicast+0x449/0x710 [ 6257.134982][ T74] netlink_sendmsg+0x723/0xbe0 [ 6257.134982][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6257.134982][ T74] ___sys_sendmsg+0xee/0x170 [ 6257.134982][ T74] __sys_sendmsg+0xcd/0x170 [ 6257.134982][ T74] do_syscall_64+0xc6/0x1e0 [ 6257.134982][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6257.134982][ T74] [ 6257.137214][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6257.137214][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6257.137214][ T74] ipv6_find_idev+0x102/0x170 [ 6257.137214][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6257.137214][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6257.137214][ T74] netlink_rcv_skb+0x130/0x360 [ 6257.137214][ T74] netlink_unicast+0x449/0x710 [ 6257.137214][ T74] netlink_sendmsg+0x723/0xbe0 [ 6257.137214][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6257.137214][ T74] ___sys_sendmsg+0xee/0x170 [ 6257.137214][ T74] __sys_sendmsg+0xcd/0x170 [ 6257.137214][ T74] do_syscall_64+0xc6/0x1e0 [ 6257.137214][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6257.137214][ T74] [ 6257.138886][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6257.138886][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6257.138886][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6257.138886][ T74] ipv6_find_idev+0x102/0x170 [ 6257.138886][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6257.138886][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6257.138886][ T74] netlink_rcv_skb+0x130/0x360 [ 6257.138886][ T74] netlink_unicast+0x449/0x710 [ 6257.138886][ T74] netlink_sendmsg+0x723/0xbe0 [ 6257.138886][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6257.138886][ T74] ___sys_sendmsg+0xee/0x170 [ 6257.138886][ T74] __sys_sendmsg+0xcd/0x170 [ 6257.138886][ T74] do_syscall_64+0xc6/0x1e0 [ 6257.138886][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6257.138886][ T74] [ 6267.391952][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6267.392312][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6267.392312][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6267.392312][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6267.392312][ T74] fib6_nh_init+0xa22/0x1580 [ 6267.392312][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6267.392312][ T74] ip6_route_add+0x1c/0x140 [ 6267.392312][ T74] inet6_rtm_newroute+0x104/0x110 [ 6267.392312][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6267.392312][ T74] netlink_rcv_skb+0x130/0x360 [ 6267.392312][ T74] netlink_unicast+0x449/0x710 [ 6267.392312][ T74] netlink_sendmsg+0x723/0xbe0 [ 6267.392312][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6267.392312][ T74] ___sys_sendmsg+0xee/0x170 [ 6267.392312][ T74] __sys_sendmsg+0xcd/0x170 [ 6267.392312][ T74] do_syscall_64+0xc6/0x1e0 [ 6267.392312][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6267.392312][ T74] [ 6267.394219][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6267.394219][ T74] netdev_get_by_index+0x5e/0x80 [ 6267.394219][ T74] fib6_nh_init+0x3d8/0x1580 [ 6267.394219][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6267.394219][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6267.394219][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6267.394219][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6267.394219][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6267.394219][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6267.394219][ T74] addrconf_dad_begin+0x310/0x670 [ 6267.394219][ T74] addrconf_dad_work+0x10b/0xab0 [ 6267.394219][ T74] process_one_work+0x84d/0x18a0 [ 6267.394219][ T74] worker_thread+0x587/0xd30 [ 6267.394219][ T74] kthread+0x28a/0x350 [ 6267.394219][ T74] ret_from_fork+0x31/0x70 [ 6267.394219][ T74] ret_from_fork_asm+0x1a/0x30 [ 6267.394219][ T74] [ 6267.396132][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6267.396132][ T74] netdev_get_by_index+0x5e/0x80 [ 6267.396132][ T74] fib6_nh_init+0x3d8/0x1580 [ 6267.396132][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6267.396132][ T74] ip6_route_add+0x1c/0x140 [ 6267.396132][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6267.396132][ T74] inet6_addr_add+0x4f8/0xa40 [ 6267.396132][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6267.396132][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6267.396132][ T74] netlink_rcv_skb+0x130/0x360 [ 6267.396132][ T74] netlink_unicast+0x449/0x710 [ 6267.396132][ T74] netlink_sendmsg+0x723/0xbe0 [ 6267.396132][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6267.396132][ T74] ___sys_sendmsg+0xee/0x170 [ 6267.396132][ T74] __sys_sendmsg+0xcd/0x170 [ 6267.396132][ T74] do_syscall_64+0xc6/0x1e0 [ 6267.396132][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6267.396132][ T74] [ 6267.398130][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6267.398130][ T74] netdev_get_by_index+0x5e/0x80 [ 6267.398130][ T74] fib6_nh_init+0x3d8/0x1580 [ 6267.398130][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6267.398130][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6267.398130][ T74] ipv6_add_addr+0x411/0x2000 [ 6267.398130][ T74] inet6_addr_add+0x30e/0xa40 [ 6267.398130][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6267.398130][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6267.398130][ T74] netlink_rcv_skb+0x130/0x360 [ 6267.398130][ T74] netlink_unicast+0x449/0x710 [ 6267.398130][ T74] netlink_sendmsg+0x723/0xbe0 [ 6267.398130][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6267.398130][ T74] ___sys_sendmsg+0xee/0x170 [ 6267.398130][ T74] __sys_sendmsg+0xcd/0x170 [ 6267.398130][ T74] do_syscall_64+0xc6/0x1e0 [ 6267.398130][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6267.398130][ T74] [ 6267.400144][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6267.400144][ T74] netdev_get_by_index+0x5e/0x80 [ 6267.400144][ T74] fib6_nh_init+0x3d8/0x1580 [ 6267.400144][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6267.400144][ T74] ip6_route_add+0x1c/0x140 [ 6267.400144][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6267.400144][ T74] addrconf_add_dev+0xe2/0x170 [ 6267.400144][ T74] inet6_addr_add+0x12f/0xa40 [ 6267.400144][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6267.400144][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6267.400144][ T74] netlink_rcv_skb+0x130/0x360 [ 6267.400144][ T74] netlink_unicast+0x449/0x710 [ 6267.400144][ T74] netlink_sendmsg+0x723/0xbe0 [ 6267.400144][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6267.400144][ T74] ___sys_sendmsg+0xee/0x170 [ 6267.400144][ T74] __sys_sendmsg+0xcd/0x170 [ 6267.400144][ T74] do_syscall_64+0xc6/0x1e0 [ 6267.400144][ T74] [ 6267.402101][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6267.402101][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6267.402101][ T74] ipv6_find_idev+0x102/0x170 [ 6267.402101][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6267.402101][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6267.402101][ T74] netlink_rcv_skb+0x130/0x360 [ 6267.402101][ T74] netlink_unicast+0x449/0x710 [ 6267.402101][ T74] netlink_sendmsg+0x723/0xbe0 [ 6267.402101][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6267.402101][ T74] ___sys_sendmsg+0xee/0x170 [ 6267.402101][ T74] __sys_sendmsg+0xcd/0x170 [ 6267.402101][ T74] do_syscall_64+0xc6/0x1e0 [ 6267.402101][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6267.402101][ T74] [ 6267.403634][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6267.403634][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6267.403634][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6267.403634][ T74] ipv6_find_idev+0x102/0x170 [ 6267.403634][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6267.403634][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6267.403634][ T74] netlink_rcv_skb+0x130/0x360 [ 6267.403634][ T74] netlink_unicast+0x449/0x710 [ 6267.403634][ T74] netlink_sendmsg+0x723/0xbe0 [ 6267.403634][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6267.403634][ T74] ___sys_sendmsg+0xee/0x170 [ 6267.403634][ T74] __sys_sendmsg+0xcd/0x170 [ 6267.403634][ T74] do_syscall_64+0xc6/0x1e0 [ 6267.403634][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6267.403634][ T74] [ 6267.405329][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6267.405604][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6267.405604][ T74] dst_init+0x84/0x4a0 [ 6267.405604][ T74] dst_alloc+0x97/0x150 [ 6267.405604][ T74] ip6_dst_alloc+0x23/0x90 [ 6267.405604][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6267.405604][ T74] ip6_pol_route+0x56f/0x840 [ 6267.405604][ T74] fib6_rule_lookup+0x456/0x630 [ 6267.405604][ T74] ip6_route_input+0x59c/0xa50 [ 6267.405604][ T74] ipv6_rcv+0x397/0x810 [ 6267.405604][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6267.405604][ T74] process_backlog+0x101/0x620 [ 6267.405604][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6267.405604][ T74] net_rx_action+0x495/0xbe0 [ 6267.405604][ T74] __do_softirq+0x1b5/0x7f6 [ 6267.405604][ T74] [ 6267.407238][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6267.407238][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6267.407238][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6267.407238][ T74] fib6_nh_init+0xa22/0x1580 [ 6267.407238][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6267.407238][ T74] ip6_route_add+0x1c/0x140 [ 6267.407238][ T74] inet6_rtm_newroute+0x104/0x110 [ 6267.407238][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6267.407238][ T74] netlink_rcv_skb+0x130/0x360 [ 6267.407238][ T74] netlink_unicast+0x449/0x710 [ 6267.407238][ T74] netlink_sendmsg+0x723/0xbe0 [ 6267.407238][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6267.407238][ T74] ___sys_sendmsg+0xee/0x170 [ 6267.407238][ T74] __sys_sendmsg+0xcd/0x170 [ 6267.407238][ T74] do_syscall_64+0xc6/0x1e0 [ 6267.407238][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6267.407238][ T74] [ 6267.409118][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6267.409118][ T74] netdev_get_by_index+0x5e/0x80 [ 6267.409118][ T74] fib6_nh_init+0x3d8/0x1580 [ 6267.409118][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6267.409118][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6267.409118][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6267.409118][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6267.409118][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6267.409118][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6267.409118][ T74] addrconf_dad_begin+0x310/0x670 [ 6267.409118][ T74] addrconf_dad_work+0x10b/0xab0 [ 6267.409118][ T74] process_one_work+0x84d/0x18a0 [ 6267.409118][ T74] worker_thread+0x587/0xd30 [ 6267.409118][ T74] kthread+0x28a/0x350 [ 6267.409118][ T74] ret_from_fork+0x31/0x70 [ 6267.409118][ T74] ret_from_fork_asm+0x1a/0x30 [ 6267.409118][ T74] [ 6267.411041][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6267.411041][ T74] netdev_get_by_index+0x5e/0x80 [ 6267.411041][ T74] fib6_nh_init+0x3d8/0x1580 [ 6267.411041][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6267.411041][ T74] ip6_route_add+0x1c/0x140 [ 6267.411041][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6267.411041][ T74] inet6_addr_add+0x4f8/0xa40 [ 6267.411041][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6267.411041][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6267.411041][ T74] netlink_rcv_skb+0x130/0x360 [ 6267.411041][ T74] netlink_unicast+0x449/0x710 [ 6267.411041][ T74] netlink_sendmsg+0x723/0xbe0 [ 6267.411041][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6267.411041][ T74] ___sys_sendmsg+0xee/0x170 [ 6267.411041][ T74] __sys_sendmsg+0xcd/0x170 [ 6267.411041][ T74] do_syscall_64+0xc6/0x1e0 [ 6267.411041][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6267.411041][ T74] [ 6267.413028][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6267.413028][ T74] netdev_get_by_index+0x5e/0x80 [ 6267.413028][ T74] fib6_nh_init+0x3d8/0x1580 [ 6267.413028][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6267.413028][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6267.413028][ T74] ipv6_add_addr+0x411/0x2000 [ 6267.413028][ T74] inet6_addr_add+0x30e/0xa40 [ 6267.413028][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6267.413028][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6267.413028][ T74] netlink_rcv_skb+0x130/0x360 [ 6267.413028][ T74] netlink_unicast+0x449/0x710 [ 6267.413028][ T74] netlink_sendmsg+0x723/0xbe0 [ 6267.413028][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6267.413028][ T74] ___sys_sendmsg+0xee/0x170 [ 6267.413028][ T74] __sys_sendmsg+0xcd/0x170 [ 6267.413028][ T74] do_syscall_64+0xc6/0x1e0 [ 6267.413028][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6267.413028][ T74] [ 6267.415012][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6267.415012][ T74] netdev_get_by_index+0x5e/0x80 [ 6267.415012][ T74] fib6_nh_init+0x3d8/0x1580 [ 6267.415012][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6267.415012][ T74] ip6_route_add+0x1c/0x140 [ 6267.415012][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6267.415012][ T74] addrconf_add_dev+0xe2/0x170 [ 6267.415012][ T74] inet6_addr_add+0x12f/0xa40 [ 6267.415012][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6267.415012][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6267.415012][ T74] netlink_rcv_skb+0x130/0x360 [ 6267.415012][ T74] netlink_unicast+0x449/0x710 [ 6267.415012][ T74] netlink_sendmsg+0x723/0xbe0 [ 6267.415012][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6267.415012][ T74] ___sys_sendmsg+0xee/0x170 [ 6267.415012][ T74] __sys_sendmsg+0xcd/0x170 [ 6267.415012][ T74] do_syscall_64+0xc6/0x1e0 [ 6267.415012][ T74] [ 6267.416978][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6267.416978][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6267.416978][ T74] ipv6_find_idev+0x102/0x170 [ 6267.416978][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6267.416978][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6267.416978][ T74] netlink_rcv_skb+0x130/0x360 [ 6267.416978][ T74] netlink_unicast+0x449/0x710 [ 6267.416978][ T74] netlink_sendmsg+0x723/0xbe0 [ 6267.416978][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6267.416978][ T74] ___sys_sendmsg+0xee/0x170 [ 6267.416978][ T74] __sys_sendmsg+0xcd/0x170 [ 6267.416978][ T74] do_syscall_64+0xc6/0x1e0 [ 6267.416978][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6267.416978][ T74] [ 6267.418636][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6267.418636][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6267.418636][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6267.418636][ T74] ipv6_find_idev+0x102/0x170 [ 6267.418636][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6267.418636][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6267.418636][ T74] netlink_rcv_skb+0x130/0x360 [ 6267.418636][ T74] netlink_unicast+0x449/0x710 [ 6267.418636][ T74] netlink_sendmsg+0x723/0xbe0 [ 6267.418636][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6267.418636][ T74] ___sys_sendmsg+0xee/0x170 [ 6267.418636][ T74] __sys_sendmsg+0xcd/0x170 [ 6267.418636][ T74] do_syscall_64+0xc6/0x1e0 [ 6267.418636][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6267.418636][ T74] [ 6267.420567][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6267.420875][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6267.420875][ T74] netdev_get_by_index+0x5e/0x80 [ 6267.420875][ T74] fib6_nh_init+0x3d8/0x1580 [ 6267.420875][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6267.420875][ T74] ip6_route_add+0x1c/0x140 [ 6267.420875][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6267.420875][ T74] inet6_addr_add+0x4f8/0xa40 [ 6267.420875][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6267.420875][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6267.420875][ T74] netlink_rcv_skb+0x130/0x360 [ 6267.420875][ T74] netlink_unicast+0x449/0x710 [ 6267.420875][ T74] netlink_sendmsg+0x723/0xbe0 [ 6267.420875][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6267.420875][ T74] ___sys_sendmsg+0xee/0x170 [ 6267.420875][ T74] __sys_sendmsg+0xcd/0x170 [ 6267.420875][ T74] do_syscall_64+0xc6/0x1e0 [ 6267.420875][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6267.420875][ T74] [ 6267.423010][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6267.423010][ T74] netdev_get_by_index+0x5e/0x80 [ 6267.423010][ T74] fib6_nh_init+0x3d8/0x1580 [ 6267.423010][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6267.423010][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6267.423010][ T74] ipv6_add_addr+0x411/0x2000 [ 6267.423010][ T74] inet6_addr_add+0x30e/0xa40 [ 6267.423010][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6267.423010][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6267.423010][ T74] netlink_rcv_skb+0x130/0x360 [ 6267.423010][ T74] netlink_unicast+0x449/0x710 [ 6267.423010][ T74] netlink_sendmsg+0x723/0xbe0 [ 6267.423010][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6267.423010][ T74] ___sys_sendmsg+0xee/0x170 [ 6267.423010][ T74] __sys_sendmsg+0xcd/0x170 [ 6267.423010][ T74] do_syscall_64+0xc6/0x1e0 [ 6267.423010][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6267.423010][ T74] [ 6267.425242][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6267.425242][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6267.425242][ T74] ipv6_find_idev+0x102/0x170 [ 6267.425242][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6267.425242][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6267.425242][ T74] netlink_rcv_skb+0x130/0x360 [ 6267.425242][ T74] netlink_unicast+0x449/0x710 [ 6267.425242][ T74] netlink_sendmsg+0x723/0xbe0 [ 6267.425242][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6267.425242][ T74] ___sys_sendmsg+0xee/0x170 [ 6267.425242][ T74] __sys_sendmsg+0xcd/0x170 [ 6267.425242][ T74] do_syscall_64+0xc6/0x1e0 [ 6267.425242][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6267.425242][ T74] [ 6267.426900][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6267.426900][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6267.426900][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6267.426900][ T74] ipv6_find_idev+0x102/0x170 [ 6267.426900][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6267.426900][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6267.426900][ T74] netlink_rcv_skb+0x130/0x360 [ 6267.426900][ T74] netlink_unicast+0x449/0x710 [ 6267.426900][ T74] netlink_sendmsg+0x723/0xbe0 [ 6267.426900][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6267.426900][ T74] ___sys_sendmsg+0xee/0x170 [ 6267.426900][ T74] __sys_sendmsg+0xcd/0x170 [ 6267.426900][ T74] do_syscall_64+0xc6/0x1e0 [ 6267.426900][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6267.426900][ T74] [ 6277.679950][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6277.680313][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6277.680313][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6277.680313][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6277.680313][ T74] fib6_nh_init+0xa22/0x1580 [ 6277.680313][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6277.680313][ T74] ip6_route_add+0x1c/0x140 [ 6277.680313][ T74] inet6_rtm_newroute+0x104/0x110 [ 6277.680313][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6277.680313][ T74] netlink_rcv_skb+0x130/0x360 [ 6277.680313][ T74] netlink_unicast+0x449/0x710 [ 6277.680313][ T74] netlink_sendmsg+0x723/0xbe0 [ 6277.680313][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6277.680313][ T74] ___sys_sendmsg+0xee/0x170 [ 6277.680313][ T74] __sys_sendmsg+0xcd/0x170 [ 6277.680313][ T74] do_syscall_64+0xc6/0x1e0 [ 6277.680313][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6277.680313][ T74] [ 6277.682218][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6277.682218][ T74] netdev_get_by_index+0x5e/0x80 [ 6277.682218][ T74] fib6_nh_init+0x3d8/0x1580 [ 6277.682218][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6277.682218][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6277.682218][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6277.682218][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6277.682218][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6277.682218][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6277.682218][ T74] addrconf_dad_begin+0x310/0x670 [ 6277.682218][ T74] addrconf_dad_work+0x10b/0xab0 [ 6277.682218][ T74] process_one_work+0x84d/0x18a0 [ 6277.682218][ T74] worker_thread+0x587/0xd30 [ 6277.682218][ T74] kthread+0x28a/0x350 [ 6277.682218][ T74] ret_from_fork+0x31/0x70 [ 6277.682218][ T74] ret_from_fork_asm+0x1a/0x30 [ 6277.682218][ T74] [ 6277.684127][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6277.684127][ T74] netdev_get_by_index+0x5e/0x80 [ 6277.684127][ T74] fib6_nh_init+0x3d8/0x1580 [ 6277.684127][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6277.684127][ T74] ip6_route_add+0x1c/0x140 [ 6277.684127][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6277.684127][ T74] inet6_addr_add+0x4f8/0xa40 [ 6277.684127][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6277.684127][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6277.684127][ T74] netlink_rcv_skb+0x130/0x360 [ 6277.684127][ T74] netlink_unicast+0x449/0x710 [ 6277.684127][ T74] netlink_sendmsg+0x723/0xbe0 [ 6277.684127][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6277.684127][ T74] ___sys_sendmsg+0xee/0x170 [ 6277.684127][ T74] __sys_sendmsg+0xcd/0x170 [ 6277.684127][ T74] do_syscall_64+0xc6/0x1e0 [ 6277.684127][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6277.684127][ T74] [ 6277.686126][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6277.686126][ T74] netdev_get_by_index+0x5e/0x80 [ 6277.686126][ T74] fib6_nh_init+0x3d8/0x1580 [ 6277.686126][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6277.686126][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6277.686126][ T74] ipv6_add_addr+0x411/0x2000 [ 6277.686126][ T74] inet6_addr_add+0x30e/0xa40 [ 6277.686126][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6277.686126][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6277.686126][ T74] netlink_rcv_skb+0x130/0x360 [ 6277.686126][ T74] netlink_unicast+0x449/0x710 [ 6277.686126][ T74] netlink_sendmsg+0x723/0xbe0 [ 6277.686126][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6277.686126][ T74] ___sys_sendmsg+0xee/0x170 [ 6277.686126][ T74] __sys_sendmsg+0xcd/0x170 [ 6277.686126][ T74] do_syscall_64+0xc6/0x1e0 [ 6277.686126][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6277.686126][ T74] [ 6277.688130][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6277.688130][ T74] netdev_get_by_index+0x5e/0x80 [ 6277.688130][ T74] fib6_nh_init+0x3d8/0x1580 [ 6277.688130][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6277.688130][ T74] ip6_route_add+0x1c/0x140 [ 6277.688130][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6277.688130][ T74] addrconf_add_dev+0xe2/0x170 [ 6277.688130][ T74] inet6_addr_add+0x12f/0xa40 [ 6277.688130][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6277.688130][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6277.688130][ T74] netlink_rcv_skb+0x130/0x360 [ 6277.688130][ T74] netlink_unicast+0x449/0x710 [ 6277.688130][ T74] netlink_sendmsg+0x723/0xbe0 [ 6277.688130][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6277.688130][ T74] ___sys_sendmsg+0xee/0x170 [ 6277.688130][ T74] __sys_sendmsg+0xcd/0x170 [ 6277.688130][ T74] do_syscall_64+0xc6/0x1e0 [ 6277.688130][ T74] [ 6277.690095][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6277.690095][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6277.690095][ T74] ipv6_find_idev+0x102/0x170 [ 6277.690095][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6277.690095][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6277.690095][ T74] netlink_rcv_skb+0x130/0x360 [ 6277.690095][ T74] netlink_unicast+0x449/0x710 [ 6277.690095][ T74] netlink_sendmsg+0x723/0xbe0 [ 6277.690095][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6277.690095][ T74] ___sys_sendmsg+0xee/0x170 [ 6277.690095][ T74] __sys_sendmsg+0xcd/0x170 [ 6277.690095][ T74] do_syscall_64+0xc6/0x1e0 [ 6277.690095][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6277.690095][ T74] [ 6277.691628][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6277.691628][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6277.691628][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6277.691628][ T74] ipv6_find_idev+0x102/0x170 [ 6277.691628][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6277.691628][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6277.691628][ T74] netlink_rcv_skb+0x130/0x360 [ 6277.691628][ T74] netlink_unicast+0x449/0x710 [ 6277.691628][ T74] netlink_sendmsg+0x723/0xbe0 [ 6277.691628][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6277.691628][ T74] ___sys_sendmsg+0xee/0x170 [ 6277.691628][ T74] __sys_sendmsg+0xcd/0x170 [ 6277.691628][ T74] do_syscall_64+0xc6/0x1e0 [ 6277.691628][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6277.691628][ T74] [ 6277.693328][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6277.693598][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6277.693598][ T74] dst_init+0x84/0x4a0 [ 6277.693598][ T74] dst_alloc+0x97/0x150 [ 6277.693598][ T74] ip6_dst_alloc+0x23/0x90 [ 6277.693598][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6277.693598][ T74] ip6_pol_route+0x56f/0x840 [ 6277.693598][ T74] fib6_rule_lookup+0x456/0x630 [ 6277.693598][ T74] ip6_route_input+0x59c/0xa50 [ 6277.693598][ T74] ipv6_rcv+0x397/0x810 [ 6277.693598][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6277.693598][ T74] process_backlog+0x101/0x620 [ 6277.693598][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6277.693598][ T74] net_rx_action+0x495/0xbe0 [ 6277.693598][ T74] __do_softirq+0x1b5/0x7f6 [ 6277.693598][ T74] [ 6277.695224][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6277.695224][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6277.695224][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6277.695224][ T74] fib6_nh_init+0xa22/0x1580 [ 6277.695224][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6277.695224][ T74] ip6_route_add+0x1c/0x140 [ 6277.695224][ T74] inet6_rtm_newroute+0x104/0x110 [ 6277.695224][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6277.695224][ T74] netlink_rcv_skb+0x130/0x360 [ 6277.695224][ T74] netlink_unicast+0x449/0x710 [ 6277.695224][ T74] netlink_sendmsg+0x723/0xbe0 [ 6277.695224][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6277.695224][ T74] ___sys_sendmsg+0xee/0x170 [ 6277.695224][ T74] __sys_sendmsg+0xcd/0x170 [ 6277.695224][ T74] do_syscall_64+0xc6/0x1e0 [ 6277.695224][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6277.695224][ T74] [ 6277.697095][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6277.697095][ T74] netdev_get_by_index+0x5e/0x80 [ 6277.697095][ T74] fib6_nh_init+0x3d8/0x1580 [ 6277.697095][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6277.697095][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6277.697095][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6277.697095][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6277.697095][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6277.697095][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6277.697095][ T74] addrconf_dad_begin+0x310/0x670 [ 6277.697095][ T74] addrconf_dad_work+0x10b/0xab0 [ 6277.697095][ T74] process_one_work+0x84d/0x18a0 [ 6277.697095][ T74] worker_thread+0x587/0xd30 [ 6277.697095][ T74] kthread+0x28a/0x350 [ 6277.697095][ T74] ret_from_fork+0x31/0x70 [ 6277.697095][ T74] ret_from_fork_asm+0x1a/0x30 [ 6277.697095][ T74] [ 6277.698995][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6277.698995][ T74] netdev_get_by_index+0x5e/0x80 [ 6277.698995][ T74] fib6_nh_init+0x3d8/0x1580 [ 6277.698995][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6277.698995][ T74] ip6_route_add+0x1c/0x140 [ 6277.698995][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6277.698995][ T74] inet6_addr_add+0x4f8/0xa40 [ 6277.698995][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6277.698995][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6277.698995][ T74] netlink_rcv_skb+0x130/0x360 [ 6277.698995][ T74] netlink_unicast+0x449/0x710 [ 6277.698995][ T74] netlink_sendmsg+0x723/0xbe0 [ 6277.698995][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6277.698995][ T74] ___sys_sendmsg+0xee/0x170 [ 6277.698995][ T74] __sys_sendmsg+0xcd/0x170 [ 6277.698995][ T74] do_syscall_64+0xc6/0x1e0 [ 6277.698995][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6277.698995][ T74] [ 6277.700993][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6277.700993][ T74] netdev_get_by_index+0x5e/0x80 [ 6277.700993][ T74] fib6_nh_init+0x3d8/0x1580 [ 6277.700993][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6277.700993][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6277.700993][ T74] ipv6_add_addr+0x411/0x2000 [ 6277.700993][ T74] inet6_addr_add+0x30e/0xa40 [ 6277.700993][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6277.700993][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6277.700993][ T74] netlink_rcv_skb+0x130/0x360 [ 6277.700993][ T74] netlink_unicast+0x449/0x710 [ 6277.700993][ T74] netlink_sendmsg+0x723/0xbe0 [ 6277.700993][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6277.700993][ T74] ___sys_sendmsg+0xee/0x170 [ 6277.700993][ T74] __sys_sendmsg+0xcd/0x170 [ 6277.700993][ T74] do_syscall_64+0xc6/0x1e0 [ 6277.700993][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6277.700993][ T74] [ 6277.702992][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6277.702992][ T74] netdev_get_by_index+0x5e/0x80 [ 6277.702992][ T74] fib6_nh_init+0x3d8/0x1580 [ 6277.702992][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6277.702992][ T74] ip6_route_add+0x1c/0x140 [ 6277.702992][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6277.702992][ T74] addrconf_add_dev+0xe2/0x170 [ 6277.702992][ T74] inet6_addr_add+0x12f/0xa40 [ 6277.702992][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6277.702992][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6277.702992][ T74] netlink_rcv_skb+0x130/0x360 [ 6277.702992][ T74] netlink_unicast+0x449/0x710 [ 6277.702992][ T74] netlink_sendmsg+0x723/0xbe0 [ 6277.702992][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6277.702992][ T74] ___sys_sendmsg+0xee/0x170 [ 6277.702992][ T74] __sys_sendmsg+0xcd/0x170 [ 6277.702992][ T74] do_syscall_64+0xc6/0x1e0 [ 6277.702992][ T74] [ 6277.704950][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6277.704950][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6277.704950][ T74] ipv6_find_idev+0x102/0x170 [ 6277.704950][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6277.704950][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6277.704950][ T74] netlink_rcv_skb+0x130/0x360 [ 6277.704950][ T74] netlink_unicast+0x449/0x710 [ 6277.704950][ T74] netlink_sendmsg+0x723/0xbe0 [ 6277.704950][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6277.704950][ T74] ___sys_sendmsg+0xee/0x170 [ 6277.704950][ T74] __sys_sendmsg+0xcd/0x170 [ 6277.704950][ T74] do_syscall_64+0xc6/0x1e0 [ 6277.704950][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6277.704950][ T74] [ 6277.706610][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6277.706610][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6277.706610][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6277.706610][ T74] ipv6_find_idev+0x102/0x170 [ 6277.706610][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6277.706610][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6277.706610][ T74] netlink_rcv_skb+0x130/0x360 [ 6277.706610][ T74] netlink_unicast+0x449/0x710 [ 6277.706610][ T74] netlink_sendmsg+0x723/0xbe0 [ 6277.706610][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6277.706610][ T74] ___sys_sendmsg+0xee/0x170 [ 6277.706610][ T74] __sys_sendmsg+0xcd/0x170 [ 6277.706610][ T74] do_syscall_64+0xc6/0x1e0 [ 6277.706610][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6277.706610][ T74] [ 6277.708529][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6277.708826][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6277.708826][ T74] netdev_get_by_index+0x5e/0x80 [ 6277.708826][ T74] fib6_nh_init+0x3d8/0x1580 [ 6277.708826][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6277.708826][ T74] ip6_route_add+0x1c/0x140 [ 6277.708826][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6277.708826][ T74] inet6_addr_add+0x4f8/0xa40 [ 6277.708826][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6277.708826][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6277.708826][ T74] netlink_rcv_skb+0x130/0x360 [ 6277.708826][ T74] netlink_unicast+0x449/0x710 [ 6277.708826][ T74] netlink_sendmsg+0x723/0xbe0 [ 6277.708826][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6277.708826][ T74] ___sys_sendmsg+0xee/0x170 [ 6277.708826][ T74] __sys_sendmsg+0xcd/0x170 [ 6277.708826][ T74] do_syscall_64+0xc6/0x1e0 [ 6277.708826][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6277.708826][ T74] [ 6277.711006][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6277.711006][ T74] netdev_get_by_index+0x5e/0x80 [ 6277.711006][ T74] fib6_nh_init+0x3d8/0x1580 [ 6277.711006][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6277.711006][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6277.711006][ T74] ipv6_add_addr+0x411/0x2000 [ 6277.711006][ T74] inet6_addr_add+0x30e/0xa40 [ 6277.711006][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6277.711006][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6277.711006][ T74] netlink_rcv_skb+0x130/0x360 [ 6277.711006][ T74] netlink_unicast+0x449/0x710 [ 6277.711006][ T74] netlink_sendmsg+0x723/0xbe0 [ 6277.711006][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6277.711006][ T74] ___sys_sendmsg+0xee/0x170 [ 6277.711006][ T74] __sys_sendmsg+0xcd/0x170 [ 6277.711006][ T74] do_syscall_64+0xc6/0x1e0 [ 6277.711006][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6277.711006][ T74] [ 6277.713239][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6277.713239][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6277.713239][ T74] ipv6_find_idev+0x102/0x170 [ 6277.713239][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6277.713239][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6277.713239][ T74] netlink_rcv_skb+0x130/0x360 [ 6277.713239][ T74] netlink_unicast+0x449/0x710 [ 6277.713239][ T74] netlink_sendmsg+0x723/0xbe0 [ 6277.713239][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6277.713239][ T74] ___sys_sendmsg+0xee/0x170 [ 6277.713239][ T74] __sys_sendmsg+0xcd/0x170 [ 6277.713239][ T74] do_syscall_64+0xc6/0x1e0 [ 6277.713239][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6277.713239][ T74] [ 6277.714898][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6277.714898][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6277.714898][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6277.714898][ T74] ipv6_find_idev+0x102/0x170 [ 6277.714898][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6277.714898][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6277.714898][ T74] netlink_rcv_skb+0x130/0x360 [ 6277.714898][ T74] netlink_unicast+0x449/0x710 [ 6277.714898][ T74] netlink_sendmsg+0x723/0xbe0 [ 6277.714898][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6277.714898][ T74] ___sys_sendmsg+0xee/0x170 [ 6277.714898][ T74] __sys_sendmsg+0xcd/0x170 [ 6277.714898][ T74] do_syscall_64+0xc6/0x1e0 [ 6277.714898][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6277.714898][ T74] [ 6287.967963][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6287.968325][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6287.968325][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6287.968325][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6287.968325][ T74] fib6_nh_init+0xa22/0x1580 [ 6287.968325][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6287.968325][ T74] ip6_route_add+0x1c/0x140 [ 6287.968325][ T74] inet6_rtm_newroute+0x104/0x110 [ 6287.968325][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6287.968325][ T74] netlink_rcv_skb+0x130/0x360 [ 6287.968325][ T74] netlink_unicast+0x449/0x710 [ 6287.968325][ T74] netlink_sendmsg+0x723/0xbe0 [ 6287.968325][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6287.968325][ T74] ___sys_sendmsg+0xee/0x170 [ 6287.968325][ T74] __sys_sendmsg+0xcd/0x170 [ 6287.968325][ T74] do_syscall_64+0xc6/0x1e0 [ 6287.968325][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6287.968325][ T74] [ 6287.970251][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6287.970251][ T74] netdev_get_by_index+0x5e/0x80 [ 6287.970251][ T74] fib6_nh_init+0x3d8/0x1580 [ 6287.970251][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6287.970251][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6287.970251][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6287.970251][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6287.970251][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6287.970251][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6287.970251][ T74] addrconf_dad_begin+0x310/0x670 [ 6287.970251][ T74] addrconf_dad_work+0x10b/0xab0 [ 6287.970251][ T74] process_one_work+0x84d/0x18a0 [ 6287.970251][ T74] worker_thread+0x587/0xd30 [ 6287.970251][ T74] kthread+0x28a/0x350 [ 6287.970251][ T74] ret_from_fork+0x31/0x70 [ 6287.970251][ T74] ret_from_fork_asm+0x1a/0x30 [ 6287.970251][ T74] [ 6287.972169][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6287.972169][ T74] netdev_get_by_index+0x5e/0x80 [ 6287.972169][ T74] fib6_nh_init+0x3d8/0x1580 [ 6287.972169][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6287.972169][ T74] ip6_route_add+0x1c/0x140 [ 6287.972169][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6287.972169][ T74] inet6_addr_add+0x4f8/0xa40 [ 6287.972169][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6287.972169][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6287.972169][ T74] netlink_rcv_skb+0x130/0x360 [ 6287.972169][ T74] netlink_unicast+0x449/0x710 [ 6287.972169][ T74] netlink_sendmsg+0x723/0xbe0 [ 6287.972169][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6287.972169][ T74] ___sys_sendmsg+0xee/0x170 [ 6287.972169][ T74] __sys_sendmsg+0xcd/0x170 [ 6287.972169][ T74] do_syscall_64+0xc6/0x1e0 [ 6287.972169][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6287.972169][ T74] [ 6287.974170][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6287.974170][ T74] netdev_get_by_index+0x5e/0x80 [ 6287.974170][ T74] fib6_nh_init+0x3d8/0x1580 [ 6287.974170][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6287.974170][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6287.974170][ T74] ipv6_add_addr+0x411/0x2000 [ 6287.974170][ T74] inet6_addr_add+0x30e/0xa40 [ 6287.974170][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6287.974170][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6287.974170][ T74] netlink_rcv_skb+0x130/0x360 [ 6287.974170][ T74] netlink_unicast+0x449/0x710 [ 6287.974170][ T74] netlink_sendmsg+0x723/0xbe0 [ 6287.974170][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6287.974170][ T74] ___sys_sendmsg+0xee/0x170 [ 6287.974170][ T74] __sys_sendmsg+0xcd/0x170 [ 6287.974170][ T74] do_syscall_64+0xc6/0x1e0 [ 6287.974170][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6287.974170][ T74] [ 6287.976678][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6287.976678][ T74] netdev_get_by_index+0x5e/0x80 [ 6287.976678][ T74] fib6_nh_init+0x3d8/0x1580 [ 6287.976678][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6287.976678][ T74] ip6_route_add+0x1c/0x140 [ 6287.976678][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6287.976678][ T74] addrconf_add_dev+0xe2/0x170 [ 6287.976678][ T74] inet6_addr_add+0x12f/0xa40 [ 6287.976678][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6287.976678][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6287.976678][ T74] netlink_rcv_skb+0x130/0x360 [ 6287.976678][ T74] netlink_unicast+0x449/0x710 [ 6287.976678][ T74] netlink_sendmsg+0x723/0xbe0 [ 6287.976678][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6287.976678][ T74] ___sys_sendmsg+0xee/0x170 [ 6287.976678][ T74] __sys_sendmsg+0xcd/0x170 [ 6287.976678][ T74] do_syscall_64+0xc6/0x1e0 [ 6287.976678][ T74] [ 6287.978651][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6287.978651][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6287.978651][ T74] ipv6_find_idev+0x102/0x170 [ 6287.978651][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6287.978651][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6287.978651][ T74] netlink_rcv_skb+0x130/0x360 [ 6287.978651][ T74] netlink_unicast+0x449/0x710 [ 6287.978651][ T74] netlink_sendmsg+0x723/0xbe0 [ 6287.978651][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6287.978651][ T74] ___sys_sendmsg+0xee/0x170 [ 6287.978651][ T74] __sys_sendmsg+0xcd/0x170 [ 6287.978651][ T74] do_syscall_64+0xc6/0x1e0 [ 6287.978651][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6287.978651][ T74] [ 6287.980221][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6287.980221][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6287.980221][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6287.980221][ T74] ipv6_find_idev+0x102/0x170 [ 6287.980221][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6287.980221][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6287.980221][ T74] netlink_rcv_skb+0x130/0x360 [ 6287.980221][ T74] netlink_unicast+0x449/0x710 [ 6287.980221][ T74] netlink_sendmsg+0x723/0xbe0 [ 6287.980221][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6287.980221][ T74] ___sys_sendmsg+0xee/0x170 [ 6287.980221][ T74] __sys_sendmsg+0xcd/0x170 [ 6287.980221][ T74] do_syscall_64+0xc6/0x1e0 [ 6287.980221][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6287.980221][ T74] [ 6287.981920][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6287.982198][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6287.982198][ T74] dst_init+0x84/0x4a0 [ 6287.982198][ T74] dst_alloc+0x97/0x150 [ 6287.982198][ T74] ip6_dst_alloc+0x23/0x90 [ 6287.982198][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6287.982198][ T74] ip6_pol_route+0x56f/0x840 [ 6287.982198][ T74] fib6_rule_lookup+0x456/0x630 [ 6287.982198][ T74] ip6_route_input+0x59c/0xa50 [ 6287.982198][ T74] ipv6_rcv+0x397/0x810 [ 6287.982198][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6287.982198][ T74] process_backlog+0x101/0x620 [ 6287.982198][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6287.982198][ T74] net_rx_action+0x495/0xbe0 [ 6287.982198][ T74] __do_softirq+0x1b5/0x7f6 [ 6287.982198][ T74] [ 6287.983838][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6287.983838][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6287.983838][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6287.983838][ T74] fib6_nh_init+0xa22/0x1580 [ 6287.983838][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6287.983838][ T74] ip6_route_add+0x1c/0x140 [ 6287.983838][ T74] inet6_rtm_newroute+0x104/0x110 [ 6287.983838][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6287.983838][ T74] netlink_rcv_skb+0x130/0x360 [ 6287.983838][ T74] netlink_unicast+0x449/0x710 [ 6287.983838][ T74] netlink_sendmsg+0x723/0xbe0 [ 6287.983838][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6287.983838][ T74] ___sys_sendmsg+0xee/0x170 [ 6287.983838][ T74] __sys_sendmsg+0xcd/0x170 [ 6287.983838][ T74] do_syscall_64+0xc6/0x1e0 [ 6287.983838][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6287.983838][ T74] [ 6287.985726][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6287.985726][ T74] netdev_get_by_index+0x5e/0x80 [ 6287.985726][ T74] fib6_nh_init+0x3d8/0x1580 [ 6287.985726][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6287.985726][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6287.985726][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6287.985726][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6287.985726][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6287.985726][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6287.985726][ T74] addrconf_dad_begin+0x310/0x670 [ 6287.985726][ T74] addrconf_dad_work+0x10b/0xab0 [ 6287.985726][ T74] process_one_work+0x84d/0x18a0 [ 6287.985726][ T74] worker_thread+0x587/0xd30 [ 6287.985726][ T74] kthread+0x28a/0x350 [ 6287.985726][ T74] ret_from_fork+0x31/0x70 [ 6287.985726][ T74] ret_from_fork_asm+0x1a/0x30 [ 6287.985726][ T74] [ 6287.987642][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6287.987642][ T74] netdev_get_by_index+0x5e/0x80 [ 6287.987642][ T74] fib6_nh_init+0x3d8/0x1580 [ 6287.987642][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6287.987642][ T74] ip6_route_add+0x1c/0x140 [ 6287.987642][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6287.987642][ T74] inet6_addr_add+0x4f8/0xa40 [ 6287.987642][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6287.987642][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6287.987642][ T74] netlink_rcv_skb+0x130/0x360 [ 6287.987642][ T74] netlink_unicast+0x449/0x710 [ 6287.987642][ T74] netlink_sendmsg+0x723/0xbe0 [ 6287.987642][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6287.987642][ T74] ___sys_sendmsg+0xee/0x170 [ 6287.987642][ T74] __sys_sendmsg+0xcd/0x170 [ 6287.987642][ T74] do_syscall_64+0xc6/0x1e0 [ 6287.987642][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6287.987642][ T74] [ 6287.989644][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6287.989644][ T74] netdev_get_by_index+0x5e/0x80 [ 6287.989644][ T74] fib6_nh_init+0x3d8/0x1580 [ 6287.989644][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6287.989644][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6287.989644][ T74] ipv6_add_addr+0x411/0x2000 [ 6287.989644][ T74] inet6_addr_add+0x30e/0xa40 [ 6287.989644][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6287.989644][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6287.989644][ T74] netlink_rcv_skb+0x130/0x360 [ 6287.989644][ T74] netlink_unicast+0x449/0x710 [ 6287.989644][ T74] netlink_sendmsg+0x723/0xbe0 [ 6287.989644][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6287.989644][ T74] ___sys_sendmsg+0xee/0x170 [ 6287.989644][ T74] __sys_sendmsg+0xcd/0x170 [ 6287.989644][ T74] do_syscall_64+0xc6/0x1e0 [ 6287.989644][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6287.989644][ T74] [ 6287.991637][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6287.991637][ T74] netdev_get_by_index+0x5e/0x80 [ 6287.991637][ T74] fib6_nh_init+0x3d8/0x1580 [ 6287.991637][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6287.991637][ T74] ip6_route_add+0x1c/0x140 [ 6287.991637][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6287.991637][ T74] addrconf_add_dev+0xe2/0x170 [ 6287.991637][ T74] inet6_addr_add+0x12f/0xa40 [ 6287.991637][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6287.991637][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6287.991637][ T74] netlink_rcv_skb+0x130/0x360 [ 6287.991637][ T74] netlink_unicast+0x449/0x710 [ 6287.991637][ T74] netlink_sendmsg+0x723/0xbe0 [ 6287.991637][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6287.991637][ T74] ___sys_sendmsg+0xee/0x170 [ 6287.991637][ T74] __sys_sendmsg+0xcd/0x170 [ 6287.991637][ T74] do_syscall_64+0xc6/0x1e0 [ 6287.991637][ T74] [ 6287.993602][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6287.993602][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6287.993602][ T74] ipv6_find_idev+0x102/0x170 [ 6287.993602][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6287.993602][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6287.993602][ T74] netlink_rcv_skb+0x130/0x360 [ 6287.993602][ T74] netlink_unicast+0x449/0x710 [ 6287.993602][ T74] netlink_sendmsg+0x723/0xbe0 [ 6287.993602][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6287.993602][ T74] ___sys_sendmsg+0xee/0x170 [ 6287.993602][ T74] __sys_sendmsg+0xcd/0x170 [ 6287.993602][ T74] do_syscall_64+0xc6/0x1e0 [ 6287.993602][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6287.993602][ T74] [ 6287.995257][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6287.995257][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6287.995257][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6287.995257][ T74] ipv6_find_idev+0x102/0x170 [ 6287.995257][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6287.995257][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6287.995257][ T74] netlink_rcv_skb+0x130/0x360 [ 6287.995257][ T74] netlink_unicast+0x449/0x710 [ 6287.995257][ T74] netlink_sendmsg+0x723/0xbe0 [ 6287.995257][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6287.995257][ T74] ___sys_sendmsg+0xee/0x170 [ 6287.995257][ T74] __sys_sendmsg+0xcd/0x170 [ 6287.995257][ T74] do_syscall_64+0xc6/0x1e0 [ 6287.995257][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6287.995257][ T74] [ 6287.997179][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6287.997484][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6287.997484][ T74] netdev_get_by_index+0x5e/0x80 [ 6287.997484][ T74] fib6_nh_init+0x3d8/0x1580 [ 6287.997484][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6287.997484][ T74] ip6_route_add+0x1c/0x140 [ 6287.997484][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6287.997484][ T74] inet6_addr_add+0x4f8/0xa40 [ 6287.997484][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6287.997484][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6287.997484][ T74] netlink_rcv_skb+0x130/0x360 [ 6287.997484][ T74] netlink_unicast+0x449/0x710 [ 6287.997484][ T74] netlink_sendmsg+0x723/0xbe0 [ 6287.997484][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6287.997484][ T74] ___sys_sendmsg+0xee/0x170 [ 6287.997484][ T74] __sys_sendmsg+0xcd/0x170 [ 6287.997484][ T74] do_syscall_64+0xc6/0x1e0 [ 6287.997484][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6287.997484][ T74] [ 6287.999592][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6287.999592][ T74] netdev_get_by_index+0x5e/0x80 [ 6287.999592][ T74] fib6_nh_init+0x3d8/0x1580 [ 6287.999592][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6287.999592][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6287.999592][ T74] ipv6_add_addr+0x411/0x2000 [ 6287.999592][ T74] inet6_addr_add+0x30e/0xa40 [ 6287.999592][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6287.999592][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6287.999592][ T74] netlink_rcv_skb+0x130/0x360 [ 6287.999592][ T74] netlink_unicast+0x449/0x710 [ 6287.999592][ T74] netlink_sendmsg+0x723/0xbe0 [ 6287.999592][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6287.999592][ T74] ___sys_sendmsg+0xee/0x170 [ 6287.999592][ T74] __sys_sendmsg+0xcd/0x170 [ 6287.999592][ T74] do_syscall_64+0xc6/0x1e0 [ 6287.999592][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6287.999592][ T74] [ 6288.001814][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6288.001814][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6288.001814][ T74] ipv6_find_idev+0x102/0x170 [ 6288.001814][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6288.001814][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6288.001814][ T74] netlink_rcv_skb+0x130/0x360 [ 6288.001814][ T74] netlink_unicast+0x449/0x710 [ 6288.001814][ T74] netlink_sendmsg+0x723/0xbe0 [ 6288.001814][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6288.001814][ T74] ___sys_sendmsg+0xee/0x170 [ 6288.001814][ T74] __sys_sendmsg+0xcd/0x170 [ 6288.001814][ T74] do_syscall_64+0xc6/0x1e0 [ 6288.001814][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6288.001814][ T74] [ 6288.003465][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6288.003465][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6288.003465][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6288.003465][ T74] ipv6_find_idev+0x102/0x170 [ 6288.003465][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6288.003465][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6288.003465][ T74] netlink_rcv_skb+0x130/0x360 [ 6288.003465][ T74] netlink_unicast+0x449/0x710 [ 6288.003465][ T74] netlink_sendmsg+0x723/0xbe0 [ 6288.003465][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6288.003465][ T74] ___sys_sendmsg+0xee/0x170 [ 6288.003465][ T74] __sys_sendmsg+0xcd/0x170 [ 6288.003465][ T74] do_syscall_64+0xc6/0x1e0 [ 6288.003465][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6288.003465][ T74] [ 6298.255963][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6298.256409][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6298.256409][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6298.256409][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6298.256409][ T74] fib6_nh_init+0xa22/0x1580 [ 6298.256409][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6298.256409][ T74] ip6_route_add+0x1c/0x140 [ 6298.256409][ T74] inet6_rtm_newroute+0x104/0x110 [ 6298.256409][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6298.256409][ T74] netlink_rcv_skb+0x130/0x360 [ 6298.256409][ T74] netlink_unicast+0x449/0x710 [ 6298.256409][ T74] netlink_sendmsg+0x723/0xbe0 [ 6298.256409][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6298.256409][ T74] ___sys_sendmsg+0xee/0x170 [ 6298.256409][ T74] __sys_sendmsg+0xcd/0x170 [ 6298.256409][ T74] do_syscall_64+0xc6/0x1e0 [ 6298.256409][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6298.256409][ T74] [ 6298.258317][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6298.258317][ T74] netdev_get_by_index+0x5e/0x80 [ 6298.258317][ T74] fib6_nh_init+0x3d8/0x1580 [ 6298.258317][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6298.258317][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6298.258317][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6298.258317][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6298.258317][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6298.258317][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6298.258317][ T74] addrconf_dad_begin+0x310/0x670 [ 6298.258317][ T74] addrconf_dad_work+0x10b/0xab0 [ 6298.258317][ T74] process_one_work+0x84d/0x18a0 [ 6298.258317][ T74] worker_thread+0x587/0xd30 [ 6298.258317][ T74] kthread+0x28a/0x350 [ 6298.258317][ T74] ret_from_fork+0x31/0x70 [ 6298.258317][ T74] ret_from_fork_asm+0x1a/0x30 [ 6298.258317][ T74] [ 6298.260298][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6298.260298][ T74] netdev_get_by_index+0x5e/0x80 [ 6298.260298][ T74] fib6_nh_init+0x3d8/0x1580 [ 6298.260298][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6298.260298][ T74] ip6_route_add+0x1c/0x140 [ 6298.260298][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6298.260298][ T74] inet6_addr_add+0x4f8/0xa40 [ 6298.260298][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6298.260298][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6298.260298][ T74] netlink_rcv_skb+0x130/0x360 [ 6298.260298][ T74] netlink_unicast+0x449/0x710 [ 6298.260298][ T74] netlink_sendmsg+0x723/0xbe0 [ 6298.260298][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6298.260298][ T74] ___sys_sendmsg+0xee/0x170 [ 6298.260298][ T74] __sys_sendmsg+0xcd/0x170 [ 6298.260298][ T74] do_syscall_64+0xc6/0x1e0 [ 6298.260298][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6298.260298][ T74] [ 6298.262312][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6298.262312][ T74] netdev_get_by_index+0x5e/0x80 [ 6298.262312][ T74] fib6_nh_init+0x3d8/0x1580 [ 6298.262312][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6298.262312][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6298.262312][ T74] ipv6_add_addr+0x411/0x2000 [ 6298.262312][ T74] inet6_addr_add+0x30e/0xa40 [ 6298.262312][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6298.262312][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6298.262312][ T74] netlink_rcv_skb+0x130/0x360 [ 6298.262312][ T74] netlink_unicast+0x449/0x710 [ 6298.262312][ T74] netlink_sendmsg+0x723/0xbe0 [ 6298.262312][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6298.262312][ T74] ___sys_sendmsg+0xee/0x170 [ 6298.262312][ T74] __sys_sendmsg+0xcd/0x170 [ 6298.262312][ T74] do_syscall_64+0xc6/0x1e0 [ 6298.262312][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6298.262312][ T74] [ 6298.264320][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6298.264320][ T74] netdev_get_by_index+0x5e/0x80 [ 6298.264320][ T74] fib6_nh_init+0x3d8/0x1580 [ 6298.264320][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6298.264320][ T74] ip6_route_add+0x1c/0x140 [ 6298.264320][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6298.264320][ T74] addrconf_add_dev+0xe2/0x170 [ 6298.264320][ T74] inet6_addr_add+0x12f/0xa40 [ 6298.264320][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6298.264320][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6298.264320][ T74] netlink_rcv_skb+0x130/0x360 [ 6298.264320][ T74] netlink_unicast+0x449/0x710 [ 6298.264320][ T74] netlink_sendmsg+0x723/0xbe0 [ 6298.264320][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6298.264320][ T74] ___sys_sendmsg+0xee/0x170 [ 6298.264320][ T74] __sys_sendmsg+0xcd/0x170 [ 6298.264320][ T74] do_syscall_64+0xc6/0x1e0 [ 6298.264320][ T74] [ 6298.266298][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6298.266298][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6298.266298][ T74] ipv6_find_idev+0x102/0x170 [ 6298.266298][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6298.266298][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6298.266298][ T74] netlink_rcv_skb+0x130/0x360 [ 6298.266298][ T74] netlink_unicast+0x449/0x710 [ 6298.266298][ T74] netlink_sendmsg+0x723/0xbe0 [ 6298.266298][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6298.266298][ T74] ___sys_sendmsg+0xee/0x170 [ 6298.266298][ T74] __sys_sendmsg+0xcd/0x170 [ 6298.266298][ T74] do_syscall_64+0xc6/0x1e0 [ 6298.266298][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6298.266298][ T74] [ 6298.267834][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6298.267834][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6298.267834][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6298.267834][ T74] ipv6_find_idev+0x102/0x170 [ 6298.267834][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6298.267834][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6298.267834][ T74] netlink_rcv_skb+0x130/0x360 [ 6298.267834][ T74] netlink_unicast+0x449/0x710 [ 6298.267834][ T74] netlink_sendmsg+0x723/0xbe0 [ 6298.267834][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6298.267834][ T74] ___sys_sendmsg+0xee/0x170 [ 6298.267834][ T74] __sys_sendmsg+0xcd/0x170 [ 6298.267834][ T74] do_syscall_64+0xc6/0x1e0 [ 6298.267834][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6298.267834][ T74] [ 6298.269549][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6298.269824][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6298.269824][ T74] dst_init+0x84/0x4a0 [ 6298.269824][ T74] dst_alloc+0x97/0x150 [ 6298.269824][ T74] ip6_dst_alloc+0x23/0x90 [ 6298.269824][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6298.269824][ T74] ip6_pol_route+0x56f/0x840 [ 6298.269824][ T74] fib6_rule_lookup+0x456/0x630 [ 6298.269824][ T74] ip6_route_input+0x59c/0xa50 [ 6298.269824][ T74] ipv6_rcv+0x397/0x810 [ 6298.269824][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6298.269824][ T74] process_backlog+0x101/0x620 [ 6298.269824][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6298.269824][ T74] net_rx_action+0x495/0xbe0 [ 6298.269824][ T74] __do_softirq+0x1b5/0x7f6 [ 6298.269824][ T74] [ 6298.271465][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6298.271465][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6298.271465][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6298.271465][ T74] fib6_nh_init+0xa22/0x1580 [ 6298.271465][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6298.271465][ T74] ip6_route_add+0x1c/0x140 [ 6298.271465][ T74] inet6_rtm_newroute+0x104/0x110 [ 6298.271465][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6298.271465][ T74] netlink_rcv_skb+0x130/0x360 [ 6298.271465][ T74] netlink_unicast+0x449/0x710 [ 6298.271465][ T74] netlink_sendmsg+0x723/0xbe0 [ 6298.271465][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6298.271465][ T74] ___sys_sendmsg+0xee/0x170 [ 6298.271465][ T74] __sys_sendmsg+0xcd/0x170 [ 6298.271465][ T74] do_syscall_64+0xc6/0x1e0 [ 6298.271465][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6298.271465][ T74] [ 6298.273479][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6298.273479][ T74] netdev_get_by_index+0x5e/0x80 [ 6298.273479][ T74] fib6_nh_init+0x3d8/0x1580 [ 6298.273479][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6298.273479][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6298.273479][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6298.273479][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6298.273479][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6298.273479][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6298.273479][ T74] addrconf_dad_begin+0x310/0x670 [ 6298.273479][ T74] addrconf_dad_work+0x10b/0xab0 [ 6298.273479][ T74] process_one_work+0x84d/0x18a0 [ 6298.273479][ T74] worker_thread+0x587/0xd30 [ 6298.273479][ T74] kthread+0x28a/0x350 [ 6298.273479][ T74] ret_from_fork+0x31/0x70 [ 6298.273479][ T74] ret_from_fork_asm+0x1a/0x30 [ 6298.273479][ T74] [ 6298.275390][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6298.275390][ T74] netdev_get_by_index+0x5e/0x80 [ 6298.275390][ T74] fib6_nh_init+0x3d8/0x1580 [ 6298.275390][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6298.275390][ T74] ip6_route_add+0x1c/0x140 [ 6298.275390][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6298.275390][ T74] inet6_addr_add+0x4f8/0xa40 [ 6298.275390][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6298.275390][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6298.275390][ T74] netlink_rcv_skb+0x130/0x360 [ 6298.275390][ T74] netlink_unicast+0x449/0x710 [ 6298.275390][ T74] netlink_sendmsg+0x723/0xbe0 [ 6298.275390][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6298.275390][ T74] ___sys_sendmsg+0xee/0x170 [ 6298.275390][ T74] __sys_sendmsg+0xcd/0x170 [ 6298.275390][ T74] do_syscall_64+0xc6/0x1e0 [ 6298.275390][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6298.275390][ T74] [ 6298.277414][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6298.277414][ T74] netdev_get_by_index+0x5e/0x80 [ 6298.277414][ T74] fib6_nh_init+0x3d8/0x1580 [ 6298.277414][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6298.277414][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6298.277414][ T74] ipv6_add_addr+0x411/0x2000 [ 6298.277414][ T74] inet6_addr_add+0x30e/0xa40 [ 6298.277414][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6298.277414][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6298.277414][ T74] netlink_rcv_skb+0x130/0x360 [ 6298.277414][ T74] netlink_unicast+0x449/0x710 [ 6298.277414][ T74] netlink_sendmsg+0x723/0xbe0 [ 6298.277414][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6298.277414][ T74] ___sys_sendmsg+0xee/0x170 [ 6298.277414][ T74] __sys_sendmsg+0xcd/0x170 [ 6298.277414][ T74] do_syscall_64+0xc6/0x1e0 [ 6298.277414][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6298.277414][ T74] [ 6298.279419][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6298.279419][ T74] netdev_get_by_index+0x5e/0x80 [ 6298.279419][ T74] fib6_nh_init+0x3d8/0x1580 [ 6298.279419][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6298.279419][ T74] ip6_route_add+0x1c/0x140 [ 6298.279419][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6298.279419][ T74] addrconf_add_dev+0xe2/0x170 [ 6298.279419][ T74] inet6_addr_add+0x12f/0xa40 [ 6298.279419][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6298.279419][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6298.279419][ T74] netlink_rcv_skb+0x130/0x360 [ 6298.279419][ T74] netlink_unicast+0x449/0x710 [ 6298.279419][ T74] netlink_sendmsg+0x723/0xbe0 [ 6298.279419][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6298.279419][ T74] ___sys_sendmsg+0xee/0x170 [ 6298.279419][ T74] __sys_sendmsg+0xcd/0x170 [ 6298.279419][ T74] do_syscall_64+0xc6/0x1e0 [ 6298.279419][ T74] [ 6298.281390][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6298.281390][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6298.281390][ T74] ipv6_find_idev+0x102/0x170 [ 6298.281390][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6298.281390][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6298.281390][ T74] netlink_rcv_skb+0x130/0x360 [ 6298.281390][ T74] netlink_unicast+0x449/0x710 [ 6298.281390][ T74] netlink_sendmsg+0x723/0xbe0 [ 6298.281390][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6298.281390][ T74] ___sys_sendmsg+0xee/0x170 [ 6298.281390][ T74] __sys_sendmsg+0xcd/0x170 [ 6298.281390][ T74] do_syscall_64+0xc6/0x1e0 [ 6298.281390][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6298.281390][ T74] [ 6298.283052][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6298.283052][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6298.283052][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6298.283052][ T74] ipv6_find_idev+0x102/0x170 [ 6298.283052][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6298.283052][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6298.283052][ T74] netlink_rcv_skb+0x130/0x360 [ 6298.283052][ T74] netlink_unicast+0x449/0x710 [ 6298.283052][ T74] netlink_sendmsg+0x723/0xbe0 [ 6298.283052][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6298.283052][ T74] ___sys_sendmsg+0xee/0x170 [ 6298.283052][ T74] __sys_sendmsg+0xcd/0x170 [ 6298.283052][ T74] do_syscall_64+0xc6/0x1e0 [ 6298.283052][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6298.283052][ T74] [ 6298.284976][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6298.285273][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6298.285273][ T74] netdev_get_by_index+0x5e/0x80 [ 6298.285273][ T74] fib6_nh_init+0x3d8/0x1580 [ 6298.285273][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6298.285273][ T74] ip6_route_add+0x1c/0x140 [ 6298.285273][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6298.285273][ T74] inet6_addr_add+0x4f8/0xa40 [ 6298.285273][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6298.285273][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6298.285273][ T74] netlink_rcv_skb+0x130/0x360 [ 6298.285273][ T74] netlink_unicast+0x449/0x710 [ 6298.285273][ T74] netlink_sendmsg+0x723/0xbe0 [ 6298.285273][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6298.285273][ T74] ___sys_sendmsg+0xee/0x170 [ 6298.285273][ T74] __sys_sendmsg+0xcd/0x170 [ 6298.285273][ T74] do_syscall_64+0xc6/0x1e0 [ 6298.285273][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6298.285273][ T74] [ 6298.287461][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6298.287461][ T74] netdev_get_by_index+0x5e/0x80 [ 6298.287461][ T74] fib6_nh_init+0x3d8/0x1580 [ 6298.287461][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6298.287461][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6298.287461][ T74] ipv6_add_addr+0x411/0x2000 [ 6298.287461][ T74] inet6_addr_add+0x30e/0xa40 [ 6298.287461][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6298.287461][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6298.287461][ T74] netlink_rcv_skb+0x130/0x360 [ 6298.287461][ T74] netlink_unicast+0x449/0x710 [ 6298.287461][ T74] netlink_sendmsg+0x723/0xbe0 [ 6298.287461][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6298.287461][ T74] ___sys_sendmsg+0xee/0x170 [ 6298.287461][ T74] __sys_sendmsg+0xcd/0x170 [ 6298.287461][ T74] do_syscall_64+0xc6/0x1e0 [ 6298.287461][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6298.287461][ T74] [ 6298.289714][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6298.289714][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6298.289714][ T74] ipv6_find_idev+0x102/0x170 [ 6298.289714][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6298.289714][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6298.289714][ T74] netlink_rcv_skb+0x130/0x360 [ 6298.289714][ T74] netlink_unicast+0x449/0x710 [ 6298.289714][ T74] netlink_sendmsg+0x723/0xbe0 [ 6298.289714][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6298.289714][ T74] ___sys_sendmsg+0xee/0x170 [ 6298.289714][ T74] __sys_sendmsg+0xcd/0x170 [ 6298.289714][ T74] do_syscall_64+0xc6/0x1e0 [ 6298.289714][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6298.289714][ T74] [ 6298.291331][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6298.291331][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6298.291331][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6298.291331][ T74] ipv6_find_idev+0x102/0x170 [ 6298.291331][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6298.291331][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6298.291331][ T74] netlink_rcv_skb+0x130/0x360 [ 6298.291331][ T74] netlink_unicast+0x449/0x710 [ 6298.291331][ T74] netlink_sendmsg+0x723/0xbe0 [ 6298.291331][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6298.291331][ T74] ___sys_sendmsg+0xee/0x170 [ 6298.291331][ T74] __sys_sendmsg+0xcd/0x170 [ 6298.291331][ T74] do_syscall_64+0xc6/0x1e0 [ 6298.291331][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6298.291331][ T74] [ 6308.519956][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6308.520316][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6308.520316][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6308.520316][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6308.520316][ T74] fib6_nh_init+0xa22/0x1580 [ 6308.520316][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6308.520316][ T74] ip6_route_add+0x1c/0x140 [ 6308.520316][ T74] inet6_rtm_newroute+0x104/0x110 [ 6308.520316][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6308.520316][ T74] netlink_rcv_skb+0x130/0x360 [ 6308.520316][ T74] netlink_unicast+0x449/0x710 [ 6308.520316][ T74] netlink_sendmsg+0x723/0xbe0 [ 6308.520316][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6308.520316][ T74] ___sys_sendmsg+0xee/0x170 [ 6308.520316][ T74] __sys_sendmsg+0xcd/0x170 [ 6308.520316][ T74] do_syscall_64+0xc6/0x1e0 [ 6308.520316][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6308.520316][ T74] [ 6308.522233][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6308.522233][ T74] netdev_get_by_index+0x5e/0x80 [ 6308.522233][ T74] fib6_nh_init+0x3d8/0x1580 [ 6308.522233][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6308.522233][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6308.522233][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6308.522233][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6308.522233][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6308.522233][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6308.522233][ T74] addrconf_dad_begin+0x310/0x670 [ 6308.522233][ T74] addrconf_dad_work+0x10b/0xab0 [ 6308.522233][ T74] process_one_work+0x84d/0x18a0 [ 6308.522233][ T74] worker_thread+0x587/0xd30 [ 6308.522233][ T74] kthread+0x28a/0x350 [ 6308.522233][ T74] ret_from_fork+0x31/0x70 [ 6308.522233][ T74] ret_from_fork_asm+0x1a/0x30 [ 6308.522233][ T74] [ 6308.524139][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6308.524139][ T74] netdev_get_by_index+0x5e/0x80 [ 6308.524139][ T74] fib6_nh_init+0x3d8/0x1580 [ 6308.524139][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6308.524139][ T74] ip6_route_add+0x1c/0x140 [ 6308.524139][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6308.524139][ T74] inet6_addr_add+0x4f8/0xa40 [ 6308.524139][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6308.524139][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6308.524139][ T74] netlink_rcv_skb+0x130/0x360 [ 6308.524139][ T74] netlink_unicast+0x449/0x710 [ 6308.524139][ T74] netlink_sendmsg+0x723/0xbe0 [ 6308.524139][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6308.524139][ T74] ___sys_sendmsg+0xee/0x170 [ 6308.524139][ T74] __sys_sendmsg+0xcd/0x170 [ 6308.524139][ T74] do_syscall_64+0xc6/0x1e0 [ 6308.524139][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6308.524139][ T74] [ 6308.526125][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6308.526125][ T74] netdev_get_by_index+0x5e/0x80 [ 6308.526125][ T74] fib6_nh_init+0x3d8/0x1580 [ 6308.526125][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6308.526125][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6308.526125][ T74] ipv6_add_addr+0x411/0x2000 [ 6308.526125][ T74] inet6_addr_add+0x30e/0xa40 [ 6308.526125][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6308.526125][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6308.526125][ T74] netlink_rcv_skb+0x130/0x360 [ 6308.526125][ T74] netlink_unicast+0x449/0x710 [ 6308.526125][ T74] netlink_sendmsg+0x723/0xbe0 [ 6308.526125][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6308.526125][ T74] ___sys_sendmsg+0xee/0x170 [ 6308.526125][ T74] __sys_sendmsg+0xcd/0x170 [ 6308.526125][ T74] do_syscall_64+0xc6/0x1e0 [ 6308.526125][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6308.526125][ T74] [ 6308.528113][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6308.528113][ T74] netdev_get_by_index+0x5e/0x80 [ 6308.528113][ T74] fib6_nh_init+0x3d8/0x1580 [ 6308.528113][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6308.528113][ T74] ip6_route_add+0x1c/0x140 [ 6308.528113][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6308.528113][ T74] addrconf_add_dev+0xe2/0x170 [ 6308.528113][ T74] inet6_addr_add+0x12f/0xa40 [ 6308.528113][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6308.528113][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6308.528113][ T74] netlink_rcv_skb+0x130/0x360 [ 6308.528113][ T74] netlink_unicast+0x449/0x710 [ 6308.528113][ T74] netlink_sendmsg+0x723/0xbe0 [ 6308.528113][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6308.528113][ T74] ___sys_sendmsg+0xee/0x170 [ 6308.528113][ T74] __sys_sendmsg+0xcd/0x170 [ 6308.528113][ T74] do_syscall_64+0xc6/0x1e0 [ 6308.528113][ T74] [ 6308.530064][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6308.530064][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6308.530064][ T74] ipv6_find_idev+0x102/0x170 [ 6308.530064][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6308.530064][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6308.530064][ T74] netlink_rcv_skb+0x130/0x360 [ 6308.530064][ T74] netlink_unicast+0x449/0x710 [ 6308.530064][ T74] netlink_sendmsg+0x723/0xbe0 [ 6308.530064][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6308.530064][ T74] ___sys_sendmsg+0xee/0x170 [ 6308.530064][ T74] __sys_sendmsg+0xcd/0x170 [ 6308.530064][ T74] do_syscall_64+0xc6/0x1e0 [ 6308.530064][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6308.530064][ T74] [ 6308.531593][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6308.531593][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6308.531593][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6308.531593][ T74] ipv6_find_idev+0x102/0x170 [ 6308.531593][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6308.531593][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6308.531593][ T74] netlink_rcv_skb+0x130/0x360 [ 6308.531593][ T74] netlink_unicast+0x449/0x710 [ 6308.531593][ T74] netlink_sendmsg+0x723/0xbe0 [ 6308.531593][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6308.531593][ T74] ___sys_sendmsg+0xee/0x170 [ 6308.531593][ T74] __sys_sendmsg+0xcd/0x170 [ 6308.531593][ T74] do_syscall_64+0xc6/0x1e0 [ 6308.531593][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6308.531593][ T74] [ 6308.533265][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6308.533531][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6308.533531][ T74] dst_init+0x84/0x4a0 [ 6308.533531][ T74] dst_alloc+0x97/0x150 [ 6308.533531][ T74] ip6_dst_alloc+0x23/0x90 [ 6308.533531][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6308.533531][ T74] ip6_pol_route+0x56f/0x840 [ 6308.533531][ T74] fib6_rule_lookup+0x456/0x630 [ 6308.533531][ T74] ip6_route_input+0x59c/0xa50 [ 6308.533531][ T74] ipv6_rcv+0x397/0x810 [ 6308.533531][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6308.533531][ T74] process_backlog+0x101/0x620 [ 6308.533531][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6308.533531][ T74] net_rx_action+0x495/0xbe0 [ 6308.533531][ T74] __do_softirq+0x1b5/0x7f6 [ 6308.533531][ T74] [ 6308.535155][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6308.535155][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6308.535155][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6308.535155][ T74] fib6_nh_init+0xa22/0x1580 [ 6308.535155][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6308.535155][ T74] ip6_route_add+0x1c/0x140 [ 6308.535155][ T74] inet6_rtm_newroute+0x104/0x110 [ 6308.535155][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6308.535155][ T74] netlink_rcv_skb+0x130/0x360 [ 6308.535155][ T74] netlink_unicast+0x449/0x710 [ 6308.535155][ T74] netlink_sendmsg+0x723/0xbe0 [ 6308.535155][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6308.535155][ T74] ___sys_sendmsg+0xee/0x170 [ 6308.535155][ T74] __sys_sendmsg+0xcd/0x170 [ 6308.535155][ T74] do_syscall_64+0xc6/0x1e0 [ 6308.535155][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6308.535155][ T74] [ 6308.537015][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6308.537015][ T74] netdev_get_by_index+0x5e/0x80 [ 6308.537015][ T74] fib6_nh_init+0x3d8/0x1580 [ 6308.537015][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6308.537015][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6308.537015][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6308.537015][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6308.537015][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6308.537015][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6308.537015][ T74] addrconf_dad_begin+0x310/0x670 [ 6308.537015][ T74] addrconf_dad_work+0x10b/0xab0 [ 6308.537015][ T74] process_one_work+0x84d/0x18a0 [ 6308.537015][ T74] worker_thread+0x587/0xd30 [ 6308.537015][ T74] kthread+0x28a/0x350 [ 6308.537015][ T74] ret_from_fork+0x31/0x70 [ 6308.537015][ T74] ret_from_fork_asm+0x1a/0x30 [ 6308.537015][ T74] [ 6308.538916][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6308.538916][ T74] netdev_get_by_index+0x5e/0x80 [ 6308.538916][ T74] fib6_nh_init+0x3d8/0x1580 [ 6308.538916][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6308.538916][ T74] ip6_route_add+0x1c/0x140 [ 6308.538916][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6308.538916][ T74] inet6_addr_add+0x4f8/0xa40 [ 6308.538916][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6308.538916][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6308.538916][ T74] netlink_rcv_skb+0x130/0x360 [ 6308.538916][ T74] netlink_unicast+0x449/0x710 [ 6308.538916][ T74] netlink_sendmsg+0x723/0xbe0 [ 6308.538916][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6308.538916][ T74] ___sys_sendmsg+0xee/0x170 [ 6308.538916][ T74] __sys_sendmsg+0xcd/0x170 [ 6308.538916][ T74] do_syscall_64+0xc6/0x1e0 [ 6308.538916][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6308.538916][ T74] [ 6308.540903][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6308.540903][ T74] netdev_get_by_index+0x5e/0x80 [ 6308.540903][ T74] fib6_nh_init+0x3d8/0x1580 [ 6308.540903][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6308.540903][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6308.540903][ T74] ipv6_add_addr+0x411/0x2000 [ 6308.540903][ T74] inet6_addr_add+0x30e/0xa40 [ 6308.540903][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6308.540903][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6308.540903][ T74] netlink_rcv_skb+0x130/0x360 [ 6308.540903][ T74] netlink_unicast+0x449/0x710 [ 6308.540903][ T74] netlink_sendmsg+0x723/0xbe0 [ 6308.540903][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6308.540903][ T74] ___sys_sendmsg+0xee/0x170 [ 6308.540903][ T74] __sys_sendmsg+0xcd/0x170 [ 6308.540903][ T74] do_syscall_64+0xc6/0x1e0 [ 6308.540903][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6308.540903][ T74] [ 6308.542881][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6308.542881][ T74] netdev_get_by_index+0x5e/0x80 [ 6308.542881][ T74] fib6_nh_init+0x3d8/0x1580 [ 6308.542881][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6308.542881][ T74] ip6_route_add+0x1c/0x140 [ 6308.542881][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6308.542881][ T74] addrconf_add_dev+0xe2/0x170 [ 6308.542881][ T74] inet6_addr_add+0x12f/0xa40 [ 6308.542881][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6308.542881][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6308.542881][ T74] netlink_rcv_skb+0x130/0x360 [ 6308.542881][ T74] netlink_unicast+0x449/0x710 [ 6308.542881][ T74] netlink_sendmsg+0x723/0xbe0 [ 6308.542881][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6308.542881][ T74] ___sys_sendmsg+0xee/0x170 [ 6308.542881][ T74] __sys_sendmsg+0xcd/0x170 [ 6308.542881][ T74] do_syscall_64+0xc6/0x1e0 [ 6308.542881][ T74] [ 6308.544833][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6308.544833][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6308.544833][ T74] ipv6_find_idev+0x102/0x170 [ 6308.544833][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6308.544833][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6308.544833][ T74] netlink_rcv_skb+0x130/0x360 [ 6308.544833][ T74] netlink_unicast+0x449/0x710 [ 6308.544833][ T74] netlink_sendmsg+0x723/0xbe0 [ 6308.544833][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6308.544833][ T74] ___sys_sendmsg+0xee/0x170 [ 6308.544833][ T74] __sys_sendmsg+0xcd/0x170 [ 6308.544833][ T74] do_syscall_64+0xc6/0x1e0 [ 6308.544833][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6308.544833][ T74] [ 6308.546487][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6308.546487][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6308.546487][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6308.546487][ T74] ipv6_find_idev+0x102/0x170 [ 6308.546487][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6308.546487][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6308.546487][ T74] netlink_rcv_skb+0x130/0x360 [ 6308.546487][ T74] netlink_unicast+0x449/0x710 [ 6308.546487][ T74] netlink_sendmsg+0x723/0xbe0 [ 6308.546487][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6308.546487][ T74] ___sys_sendmsg+0xee/0x170 [ 6308.546487][ T74] __sys_sendmsg+0xcd/0x170 [ 6308.546487][ T74] do_syscall_64+0xc6/0x1e0 [ 6308.546487][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6308.546487][ T74] [ 6308.548397][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6308.548688][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6308.548688][ T74] netdev_get_by_index+0x5e/0x80 [ 6308.548688][ T74] fib6_nh_init+0x3d8/0x1580 [ 6308.548688][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6308.548688][ T74] ip6_route_add+0x1c/0x140 [ 6308.548688][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6308.548688][ T74] inet6_addr_add+0x4f8/0xa40 [ 6308.548688][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6308.548688][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6308.548688][ T74] netlink_rcv_skb+0x130/0x360 [ 6308.548688][ T74] netlink_unicast+0x449/0x710 [ 6308.548688][ T74] netlink_sendmsg+0x723/0xbe0 [ 6308.548688][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6308.548688][ T74] ___sys_sendmsg+0xee/0x170 [ 6308.548688][ T74] __sys_sendmsg+0xcd/0x170 [ 6308.548688][ T74] do_syscall_64+0xc6/0x1e0 [ 6308.548688][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6308.548688][ T74] [ 6308.550870][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6308.550870][ T74] netdev_get_by_index+0x5e/0x80 [ 6308.550870][ T74] fib6_nh_init+0x3d8/0x1580 [ 6308.550870][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6308.550870][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6308.550870][ T74] ipv6_add_addr+0x411/0x2000 [ 6308.550870][ T74] inet6_addr_add+0x30e/0xa40 [ 6308.550870][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6308.550870][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6308.550870][ T74] netlink_rcv_skb+0x130/0x360 [ 6308.550870][ T74] netlink_unicast+0x449/0x710 [ 6308.550870][ T74] netlink_sendmsg+0x723/0xbe0 [ 6308.550870][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6308.550870][ T74] ___sys_sendmsg+0xee/0x170 [ 6308.550870][ T74] __sys_sendmsg+0xcd/0x170 [ 6308.550870][ T74] do_syscall_64+0xc6/0x1e0 [ 6308.550870][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6308.550870][ T74] [ 6308.553095][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6308.553095][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6308.553095][ T74] ipv6_find_idev+0x102/0x170 [ 6308.553095][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6308.553095][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6308.553095][ T74] netlink_rcv_skb+0x130/0x360 [ 6308.553095][ T74] netlink_unicast+0x449/0x710 [ 6308.553095][ T74] netlink_sendmsg+0x723/0xbe0 [ 6308.553095][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6308.553095][ T74] ___sys_sendmsg+0xee/0x170 [ 6308.553095][ T74] __sys_sendmsg+0xcd/0x170 [ 6308.553095][ T74] do_syscall_64+0xc6/0x1e0 [ 6308.553095][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6308.553095][ T74] [ 6308.554804][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6308.554804][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6308.554804][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6308.554804][ T74] ipv6_find_idev+0x102/0x170 [ 6308.554804][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6308.554804][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6308.554804][ T74] netlink_rcv_skb+0x130/0x360 [ 6308.554804][ T74] netlink_unicast+0x449/0x710 [ 6308.554804][ T74] netlink_sendmsg+0x723/0xbe0 [ 6308.554804][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6308.554804][ T74] ___sys_sendmsg+0xee/0x170 [ 6308.554804][ T74] __sys_sendmsg+0xcd/0x170 [ 6308.554804][ T74] do_syscall_64+0xc6/0x1e0 [ 6308.554804][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6308.554804][ T74] [ 6318.791955][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6318.792321][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6318.792321][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6318.792321][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6318.792321][ T74] fib6_nh_init+0xa22/0x1580 [ 6318.792321][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6318.792321][ T74] ip6_route_add+0x1c/0x140 [ 6318.792321][ T74] inet6_rtm_newroute+0x104/0x110 [ 6318.792321][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6318.792321][ T74] netlink_rcv_skb+0x130/0x360 [ 6318.792321][ T74] netlink_unicast+0x449/0x710 [ 6318.792321][ T74] netlink_sendmsg+0x723/0xbe0 [ 6318.792321][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6318.792321][ T74] ___sys_sendmsg+0xee/0x170 [ 6318.792321][ T74] __sys_sendmsg+0xcd/0x170 [ 6318.792321][ T74] do_syscall_64+0xc6/0x1e0 [ 6318.792321][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6318.792321][ T74] [ 6318.794212][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6318.794212][ T74] netdev_get_by_index+0x5e/0x80 [ 6318.794212][ T74] fib6_nh_init+0x3d8/0x1580 [ 6318.794212][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6318.794212][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6318.794212][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6318.794212][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6318.794212][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6318.794212][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6318.794212][ T74] addrconf_dad_begin+0x310/0x670 [ 6318.794212][ T74] addrconf_dad_work+0x10b/0xab0 [ 6318.794212][ T74] process_one_work+0x84d/0x18a0 [ 6318.794212][ T74] worker_thread+0x587/0xd30 [ 6318.794212][ T74] kthread+0x28a/0x350 [ 6318.794212][ T74] ret_from_fork+0x31/0x70 [ 6318.794212][ T74] ret_from_fork_asm+0x1a/0x30 [ 6318.794212][ T74] [ 6318.796253][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6318.796253][ T74] netdev_get_by_index+0x5e/0x80 [ 6318.796253][ T74] fib6_nh_init+0x3d8/0x1580 [ 6318.796253][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6318.796253][ T74] ip6_route_add+0x1c/0x140 [ 6318.796253][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6318.796253][ T74] inet6_addr_add+0x4f8/0xa40 [ 6318.796253][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6318.796253][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6318.796253][ T74] netlink_rcv_skb+0x130/0x360 [ 6318.796253][ T74] netlink_unicast+0x449/0x710 [ 6318.796253][ T74] netlink_sendmsg+0x723/0xbe0 [ 6318.796253][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6318.796253][ T74] ___sys_sendmsg+0xee/0x170 [ 6318.796253][ T74] __sys_sendmsg+0xcd/0x170 [ 6318.796253][ T74] do_syscall_64+0xc6/0x1e0 [ 6318.796253][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6318.796253][ T74] [ 6318.798239][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6318.798239][ T74] netdev_get_by_index+0x5e/0x80 [ 6318.798239][ T74] fib6_nh_init+0x3d8/0x1580 [ 6318.798239][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6318.798239][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6318.798239][ T74] ipv6_add_addr+0x411/0x2000 [ 6318.798239][ T74] inet6_addr_add+0x30e/0xa40 [ 6318.798239][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6318.798239][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6318.798239][ T74] netlink_rcv_skb+0x130/0x360 [ 6318.798239][ T74] netlink_unicast+0x449/0x710 [ 6318.798239][ T74] netlink_sendmsg+0x723/0xbe0 [ 6318.798239][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6318.798239][ T74] ___sys_sendmsg+0xee/0x170 [ 6318.798239][ T74] __sys_sendmsg+0xcd/0x170 [ 6318.798239][ T74] do_syscall_64+0xc6/0x1e0 [ 6318.798239][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6318.798239][ T74] [ 6318.800216][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6318.800216][ T74] netdev_get_by_index+0x5e/0x80 [ 6318.800216][ T74] fib6_nh_init+0x3d8/0x1580 [ 6318.800216][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6318.800216][ T74] ip6_route_add+0x1c/0x140 [ 6318.800216][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6318.800216][ T74] addrconf_add_dev+0xe2/0x170 [ 6318.800216][ T74] inet6_addr_add+0x12f/0xa40 [ 6318.800216][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6318.800216][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6318.800216][ T74] netlink_rcv_skb+0x130/0x360 [ 6318.800216][ T74] netlink_unicast+0x449/0x710 [ 6318.800216][ T74] netlink_sendmsg+0x723/0xbe0 [ 6318.800216][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6318.800216][ T74] ___sys_sendmsg+0xee/0x170 [ 6318.800216][ T74] __sys_sendmsg+0xcd/0x170 [ 6318.800216][ T74] do_syscall_64+0xc6/0x1e0 [ 6318.800216][ T74] [ 6318.802156][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6318.802156][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6318.802156][ T74] ipv6_find_idev+0x102/0x170 [ 6318.802156][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6318.802156][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6318.802156][ T74] netlink_rcv_skb+0x130/0x360 [ 6318.802156][ T74] netlink_unicast+0x449/0x710 [ 6318.802156][ T74] netlink_sendmsg+0x723/0xbe0 [ 6318.802156][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6318.802156][ T74] ___sys_sendmsg+0xee/0x170 [ 6318.802156][ T74] __sys_sendmsg+0xcd/0x170 [ 6318.802156][ T74] do_syscall_64+0xc6/0x1e0 [ 6318.802156][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6318.802156][ T74] [ 6318.803674][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6318.803674][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6318.803674][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6318.803674][ T74] ipv6_find_idev+0x102/0x170 [ 6318.803674][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6318.803674][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6318.803674][ T74] netlink_rcv_skb+0x130/0x360 [ 6318.803674][ T74] netlink_unicast+0x449/0x710 [ 6318.803674][ T74] netlink_sendmsg+0x723/0xbe0 [ 6318.803674][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6318.803674][ T74] ___sys_sendmsg+0xee/0x170 [ 6318.803674][ T74] __sys_sendmsg+0xcd/0x170 [ 6318.803674][ T74] do_syscall_64+0xc6/0x1e0 [ 6318.803674][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6318.803674][ T74] [ 6318.805351][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6318.805619][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6318.805619][ T74] dst_init+0x84/0x4a0 [ 6318.805619][ T74] dst_alloc+0x97/0x150 [ 6318.805619][ T74] ip6_dst_alloc+0x23/0x90 [ 6318.805619][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6318.805619][ T74] ip6_pol_route+0x56f/0x840 [ 6318.805619][ T74] fib6_rule_lookup+0x456/0x630 [ 6318.805619][ T74] ip6_route_input+0x59c/0xa50 [ 6318.805619][ T74] ipv6_rcv+0x397/0x810 [ 6318.805619][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6318.805619][ T74] process_backlog+0x101/0x620 [ 6318.805619][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6318.805619][ T74] net_rx_action+0x495/0xbe0 [ 6318.805619][ T74] __do_softirq+0x1b5/0x7f6 [ 6318.805619][ T74] [ 6318.807254][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6318.807254][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6318.807254][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6318.807254][ T74] fib6_nh_init+0xa22/0x1580 [ 6318.807254][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6318.807254][ T74] ip6_route_add+0x1c/0x140 [ 6318.807254][ T74] inet6_rtm_newroute+0x104/0x110 [ 6318.807254][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6318.807254][ T74] netlink_rcv_skb+0x130/0x360 [ 6318.807254][ T74] netlink_unicast+0x449/0x710 [ 6318.807254][ T74] netlink_sendmsg+0x723/0xbe0 [ 6318.807254][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6318.807254][ T74] ___sys_sendmsg+0xee/0x170 [ 6318.807254][ T74] __sys_sendmsg+0xcd/0x170 [ 6318.807254][ T74] do_syscall_64+0xc6/0x1e0 [ 6318.807254][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6318.807254][ T74] [ 6318.809134][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6318.809134][ T74] netdev_get_by_index+0x5e/0x80 [ 6318.809134][ T74] fib6_nh_init+0x3d8/0x1580 [ 6318.809134][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6318.809134][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6318.809134][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6318.809134][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6318.809134][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6318.809134][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6318.809134][ T74] addrconf_dad_begin+0x310/0x670 [ 6318.809134][ T74] addrconf_dad_work+0x10b/0xab0 [ 6318.809134][ T74] process_one_work+0x84d/0x18a0 [ 6318.809134][ T74] worker_thread+0x587/0xd30 [ 6318.809134][ T74] kthread+0x28a/0x350 [ 6318.809134][ T74] ret_from_fork+0x31/0x70 [ 6318.809134][ T74] ret_from_fork_asm+0x1a/0x30 [ 6318.809134][ T74] [ 6318.811040][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6318.811040][ T74] netdev_get_by_index+0x5e/0x80 [ 6318.811040][ T74] fib6_nh_init+0x3d8/0x1580 [ 6318.811040][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6318.811040][ T74] ip6_route_add+0x1c/0x140 [ 6318.811040][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6318.811040][ T74] inet6_addr_add+0x4f8/0xa40 [ 6318.811040][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6318.811040][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6318.811040][ T74] netlink_rcv_skb+0x130/0x360 [ 6318.811040][ T74] netlink_unicast+0x449/0x710 [ 6318.811040][ T74] netlink_sendmsg+0x723/0xbe0 [ 6318.811040][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6318.811040][ T74] ___sys_sendmsg+0xee/0x170 [ 6318.811040][ T74] __sys_sendmsg+0xcd/0x170 [ 6318.811040][ T74] do_syscall_64+0xc6/0x1e0 [ 6318.811040][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6318.811040][ T74] [ 6318.813021][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6318.813021][ T74] netdev_get_by_index+0x5e/0x80 [ 6318.813021][ T74] fib6_nh_init+0x3d8/0x1580 [ 6318.813021][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6318.813021][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6318.813021][ T74] ipv6_add_addr+0x411/0x2000 [ 6318.813021][ T74] inet6_addr_add+0x30e/0xa40 [ 6318.813021][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6318.813021][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6318.813021][ T74] netlink_rcv_skb+0x130/0x360 [ 6318.813021][ T74] netlink_unicast+0x449/0x710 [ 6318.813021][ T74] netlink_sendmsg+0x723/0xbe0 [ 6318.813021][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6318.813021][ T74] ___sys_sendmsg+0xee/0x170 [ 6318.813021][ T74] __sys_sendmsg+0xcd/0x170 [ 6318.813021][ T74] do_syscall_64+0xc6/0x1e0 [ 6318.813021][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6318.813021][ T74] [ 6318.815000][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6318.815000][ T74] netdev_get_by_index+0x5e/0x80 [ 6318.815000][ T74] fib6_nh_init+0x3d8/0x1580 [ 6318.815000][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6318.815000][ T74] ip6_route_add+0x1c/0x140 [ 6318.815000][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6318.815000][ T74] addrconf_add_dev+0xe2/0x170 [ 6318.815000][ T74] inet6_addr_add+0x12f/0xa40 [ 6318.815000][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6318.815000][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6318.815000][ T74] netlink_rcv_skb+0x130/0x360 [ 6318.815000][ T74] netlink_unicast+0x449/0x710 [ 6318.815000][ T74] netlink_sendmsg+0x723/0xbe0 [ 6318.815000][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6318.815000][ T74] ___sys_sendmsg+0xee/0x170 [ 6318.815000][ T74] __sys_sendmsg+0xcd/0x170 [ 6318.815000][ T74] do_syscall_64+0xc6/0x1e0 [ 6318.815000][ T74] [ 6318.816952][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6318.816952][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6318.816952][ T74] ipv6_find_idev+0x102/0x170 [ 6318.816952][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6318.816952][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6318.816952][ T74] netlink_rcv_skb+0x130/0x360 [ 6318.816952][ T74] netlink_unicast+0x449/0x710 [ 6318.816952][ T74] netlink_sendmsg+0x723/0xbe0 [ 6318.816952][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6318.816952][ T74] ___sys_sendmsg+0xee/0x170 [ 6318.816952][ T74] __sys_sendmsg+0xcd/0x170 [ 6318.816952][ T74] do_syscall_64+0xc6/0x1e0 [ 6318.816952][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6318.816952][ T74] [ 6318.818599][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6318.818599][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6318.818599][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6318.818599][ T74] ipv6_find_idev+0x102/0x170 [ 6318.818599][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6318.818599][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6318.818599][ T74] netlink_rcv_skb+0x130/0x360 [ 6318.818599][ T74] netlink_unicast+0x449/0x710 [ 6318.818599][ T74] netlink_sendmsg+0x723/0xbe0 [ 6318.818599][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6318.818599][ T74] ___sys_sendmsg+0xee/0x170 [ 6318.818599][ T74] __sys_sendmsg+0xcd/0x170 [ 6318.818599][ T74] do_syscall_64+0xc6/0x1e0 [ 6318.818599][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6318.818599][ T74] [ 6318.820518][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6318.820818][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6318.820818][ T74] netdev_get_by_index+0x5e/0x80 [ 6318.820818][ T74] fib6_nh_init+0x3d8/0x1580 [ 6318.820818][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6318.820818][ T74] ip6_route_add+0x1c/0x140 [ 6318.820818][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6318.820818][ T74] inet6_addr_add+0x4f8/0xa40 [ 6318.820818][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6318.820818][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6318.820818][ T74] netlink_rcv_skb+0x130/0x360 [ 6318.820818][ T74] netlink_unicast+0x449/0x710 [ 6318.820818][ T74] netlink_sendmsg+0x723/0xbe0 [ 6318.820818][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6318.820818][ T74] ___sys_sendmsg+0xee/0x170 [ 6318.820818][ T74] __sys_sendmsg+0xcd/0x170 [ 6318.820818][ T74] do_syscall_64+0xc6/0x1e0 [ 6318.820818][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6318.820818][ T74] [ 6318.822924][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6318.822924][ T74] netdev_get_by_index+0x5e/0x80 [ 6318.822924][ T74] fib6_nh_init+0x3d8/0x1580 [ 6318.822924][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6318.822924][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6318.822924][ T74] ipv6_add_addr+0x411/0x2000 [ 6318.822924][ T74] inet6_addr_add+0x30e/0xa40 [ 6318.822924][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6318.822924][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6318.822924][ T74] netlink_rcv_skb+0x130/0x360 [ 6318.822924][ T74] netlink_unicast+0x449/0x710 [ 6318.822924][ T74] netlink_sendmsg+0x723/0xbe0 [ 6318.822924][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6318.822924][ T74] ___sys_sendmsg+0xee/0x170 [ 6318.822924][ T74] __sys_sendmsg+0xcd/0x170 [ 6318.822924][ T74] do_syscall_64+0xc6/0x1e0 [ 6318.822924][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6318.822924][ T74] [ 6318.825145][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6318.825145][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6318.825145][ T74] ipv6_find_idev+0x102/0x170 [ 6318.825145][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6318.825145][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6318.825145][ T74] netlink_rcv_skb+0x130/0x360 [ 6318.825145][ T74] netlink_unicast+0x449/0x710 [ 6318.825145][ T74] netlink_sendmsg+0x723/0xbe0 [ 6318.825145][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6318.825145][ T74] ___sys_sendmsg+0xee/0x170 [ 6318.825145][ T74] __sys_sendmsg+0xcd/0x170 [ 6318.825145][ T74] do_syscall_64+0xc6/0x1e0 [ 6318.825145][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6318.825145][ T74] [ 6318.826801][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6318.826801][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6318.826801][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6318.826801][ T74] ipv6_find_idev+0x102/0x170 [ 6318.826801][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6318.826801][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6318.826801][ T74] netlink_rcv_skb+0x130/0x360 [ 6318.826801][ T74] netlink_unicast+0x449/0x710 [ 6318.826801][ T74] netlink_sendmsg+0x723/0xbe0 [ 6318.826801][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6318.826801][ T74] ___sys_sendmsg+0xee/0x170 [ 6318.826801][ T74] __sys_sendmsg+0xcd/0x170 [ 6318.826801][ T74] do_syscall_64+0xc6/0x1e0 [ 6318.826801][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6318.826801][ T74] [ 6329.063994][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6329.064360][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6329.064360][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6329.064360][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6329.064360][ T74] fib6_nh_init+0xa22/0x1580 [ 6329.064360][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6329.064360][ T74] ip6_route_add+0x1c/0x140 [ 6329.064360][ T74] inet6_rtm_newroute+0x104/0x110 [ 6329.064360][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6329.064360][ T74] netlink_rcv_skb+0x130/0x360 [ 6329.064360][ T74] netlink_unicast+0x449/0x710 [ 6329.064360][ T74] netlink_sendmsg+0x723/0xbe0 [ 6329.064360][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6329.064360][ T74] ___sys_sendmsg+0xee/0x170 [ 6329.064360][ T74] __sys_sendmsg+0xcd/0x170 [ 6329.064360][ T74] do_syscall_64+0xc6/0x1e0 [ 6329.064360][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6329.064360][ T74] [ 6329.066265][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6329.066265][ T74] netdev_get_by_index+0x5e/0x80 [ 6329.066265][ T74] fib6_nh_init+0x3d8/0x1580 [ 6329.066265][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6329.066265][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6329.066265][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6329.066265][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6329.066265][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6329.066265][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6329.066265][ T74] addrconf_dad_begin+0x310/0x670 [ 6329.066265][ T74] addrconf_dad_work+0x10b/0xab0 [ 6329.066265][ T74] process_one_work+0x84d/0x18a0 [ 6329.066265][ T74] worker_thread+0x587/0xd30 [ 6329.066265][ T74] kthread+0x28a/0x350 [ 6329.066265][ T74] ret_from_fork+0x31/0x70 [ 6329.066265][ T74] ret_from_fork_asm+0x1a/0x30 [ 6329.066265][ T74] [ 6329.068184][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6329.068184][ T74] netdev_get_by_index+0x5e/0x80 [ 6329.068184][ T74] fib6_nh_init+0x3d8/0x1580 [ 6329.068184][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6329.068184][ T74] ip6_route_add+0x1c/0x140 [ 6329.068184][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6329.068184][ T74] inet6_addr_add+0x4f8/0xa40 [ 6329.068184][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6329.068184][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6329.068184][ T74] netlink_rcv_skb+0x130/0x360 [ 6329.068184][ T74] netlink_unicast+0x449/0x710 [ 6329.068184][ T74] netlink_sendmsg+0x723/0xbe0 [ 6329.068184][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6329.068184][ T74] ___sys_sendmsg+0xee/0x170 [ 6329.068184][ T74] __sys_sendmsg+0xcd/0x170 [ 6329.068184][ T74] do_syscall_64+0xc6/0x1e0 [ 6329.068184][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6329.068184][ T74] [ 6329.070201][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6329.070201][ T74] netdev_get_by_index+0x5e/0x80 [ 6329.070201][ T74] fib6_nh_init+0x3d8/0x1580 [ 6329.070201][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6329.070201][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6329.070201][ T74] ipv6_add_addr+0x411/0x2000 [ 6329.070201][ T74] inet6_addr_add+0x30e/0xa40 [ 6329.070201][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6329.070201][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6329.070201][ T74] netlink_rcv_skb+0x130/0x360 [ 6329.070201][ T74] netlink_unicast+0x449/0x710 [ 6329.070201][ T74] netlink_sendmsg+0x723/0xbe0 [ 6329.070201][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6329.070201][ T74] ___sys_sendmsg+0xee/0x170 [ 6329.070201][ T74] __sys_sendmsg+0xcd/0x170 [ 6329.070201][ T74] do_syscall_64+0xc6/0x1e0 [ 6329.070201][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6329.070201][ T74] [ 6329.072197][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6329.072197][ T74] netdev_get_by_index+0x5e/0x80 [ 6329.072197][ T74] fib6_nh_init+0x3d8/0x1580 [ 6329.072197][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6329.072197][ T74] ip6_route_add+0x1c/0x140 [ 6329.072197][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6329.072197][ T74] addrconf_add_dev+0xe2/0x170 [ 6329.072197][ T74] inet6_addr_add+0x12f/0xa40 [ 6329.072197][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6329.072197][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6329.072197][ T74] netlink_rcv_skb+0x130/0x360 [ 6329.072197][ T74] netlink_unicast+0x449/0x710 [ 6329.072197][ T74] netlink_sendmsg+0x723/0xbe0 [ 6329.072197][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6329.072197][ T74] ___sys_sendmsg+0xee/0x170 [ 6329.072197][ T74] __sys_sendmsg+0xcd/0x170 [ 6329.072197][ T74] do_syscall_64+0xc6/0x1e0 [ 6329.072197][ T74] [ 6329.074183][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6329.074183][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6329.074183][ T74] ipv6_find_idev+0x102/0x170 [ 6329.074183][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6329.074183][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6329.074183][ T74] netlink_rcv_skb+0x130/0x360 [ 6329.074183][ T74] netlink_unicast+0x449/0x710 [ 6329.074183][ T74] netlink_sendmsg+0x723/0xbe0 [ 6329.074183][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6329.074183][ T74] ___sys_sendmsg+0xee/0x170 [ 6329.074183][ T74] __sys_sendmsg+0xcd/0x170 [ 6329.074183][ T74] do_syscall_64+0xc6/0x1e0 [ 6329.074183][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6329.074183][ T74] [ 6329.075720][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6329.075720][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6329.075720][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6329.075720][ T74] ipv6_find_idev+0x102/0x170 [ 6329.075720][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6329.075720][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6329.075720][ T74] netlink_rcv_skb+0x130/0x360 [ 6329.075720][ T74] netlink_unicast+0x449/0x710 [ 6329.075720][ T74] netlink_sendmsg+0x723/0xbe0 [ 6329.075720][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6329.075720][ T74] ___sys_sendmsg+0xee/0x170 [ 6329.075720][ T74] __sys_sendmsg+0xcd/0x170 [ 6329.075720][ T74] do_syscall_64+0xc6/0x1e0 [ 6329.075720][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6329.075720][ T74] [ 6329.077396][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6329.077663][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6329.077663][ T74] dst_init+0x84/0x4a0 [ 6329.077663][ T74] dst_alloc+0x97/0x150 [ 6329.077663][ T74] ip6_dst_alloc+0x23/0x90 [ 6329.077663][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6329.077663][ T74] ip6_pol_route+0x56f/0x840 [ 6329.077663][ T74] fib6_rule_lookup+0x456/0x630 [ 6329.077663][ T74] ip6_route_input+0x59c/0xa50 [ 6329.077663][ T74] ipv6_rcv+0x397/0x810 [ 6329.077663][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6329.077663][ T74] process_backlog+0x101/0x620 [ 6329.077663][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6329.077663][ T74] net_rx_action+0x495/0xbe0 [ 6329.077663][ T74] __do_softirq+0x1b5/0x7f6 [ 6329.077663][ T74] [ 6329.079304][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6329.079304][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6329.079304][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6329.079304][ T74] fib6_nh_init+0xa22/0x1580 [ 6329.079304][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6329.079304][ T74] ip6_route_add+0x1c/0x140 [ 6329.079304][ T74] inet6_rtm_newroute+0x104/0x110 [ 6329.079304][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6329.079304][ T74] netlink_rcv_skb+0x130/0x360 [ 6329.079304][ T74] netlink_unicast+0x449/0x710 [ 6329.079304][ T74] netlink_sendmsg+0x723/0xbe0 [ 6329.079304][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6329.079304][ T74] ___sys_sendmsg+0xee/0x170 [ 6329.079304][ T74] __sys_sendmsg+0xcd/0x170 [ 6329.079304][ T74] do_syscall_64+0xc6/0x1e0 [ 6329.079304][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6329.079304][ T74] [ 6329.081176][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6329.081176][ T74] netdev_get_by_index+0x5e/0x80 [ 6329.081176][ T74] fib6_nh_init+0x3d8/0x1580 [ 6329.081176][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6329.081176][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6329.081176][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6329.081176][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6329.081176][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6329.081176][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6329.081176][ T74] addrconf_dad_begin+0x310/0x670 [ 6329.081176][ T74] addrconf_dad_work+0x10b/0xab0 [ 6329.081176][ T74] process_one_work+0x84d/0x18a0 [ 6329.081176][ T74] worker_thread+0x587/0xd30 [ 6329.081176][ T74] kthread+0x28a/0x350 [ 6329.081176][ T74] ret_from_fork+0x31/0x70 [ 6329.081176][ T74] ret_from_fork_asm+0x1a/0x30 [ 6329.081176][ T74] [ 6329.083074][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6329.083074][ T74] netdev_get_by_index+0x5e/0x80 [ 6329.083074][ T74] fib6_nh_init+0x3d8/0x1580 [ 6329.083074][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6329.083074][ T74] ip6_route_add+0x1c/0x140 [ 6329.083074][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6329.083074][ T74] inet6_addr_add+0x4f8/0xa40 [ 6329.083074][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6329.083074][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6329.083074][ T74] netlink_rcv_skb+0x130/0x360 [ 6329.083074][ T74] netlink_unicast+0x449/0x710 [ 6329.083074][ T74] netlink_sendmsg+0x723/0xbe0 [ 6329.083074][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6329.083074][ T74] ___sys_sendmsg+0xee/0x170 [ 6329.083074][ T74] __sys_sendmsg+0xcd/0x170 [ 6329.083074][ T74] do_syscall_64+0xc6/0x1e0 [ 6329.083074][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6329.083074][ T74] [ 6329.085065][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6329.085065][ T74] netdev_get_by_index+0x5e/0x80 [ 6329.085065][ T74] fib6_nh_init+0x3d8/0x1580 [ 6329.085065][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6329.085065][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6329.085065][ T74] ipv6_add_addr+0x411/0x2000 [ 6329.085065][ T74] inet6_addr_add+0x30e/0xa40 [ 6329.085065][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6329.085065][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6329.085065][ T74] netlink_rcv_skb+0x130/0x360 [ 6329.085065][ T74] netlink_unicast+0x449/0x710 [ 6329.085065][ T74] netlink_sendmsg+0x723/0xbe0 [ 6329.085065][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6329.085065][ T74] ___sys_sendmsg+0xee/0x170 [ 6329.085065][ T74] __sys_sendmsg+0xcd/0x170 [ 6329.085065][ T74] do_syscall_64+0xc6/0x1e0 [ 6329.085065][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6329.085065][ T74] [ 6329.087056][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6329.087056][ T74] netdev_get_by_index+0x5e/0x80 [ 6329.087056][ T74] fib6_nh_init+0x3d8/0x1580 [ 6329.087056][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6329.087056][ T74] ip6_route_add+0x1c/0x140 [ 6329.087056][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6329.087056][ T74] addrconf_add_dev+0xe2/0x170 [ 6329.087056][ T74] inet6_addr_add+0x12f/0xa40 [ 6329.087056][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6329.087056][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6329.087056][ T74] netlink_rcv_skb+0x130/0x360 [ 6329.087056][ T74] netlink_unicast+0x449/0x710 [ 6329.087056][ T74] netlink_sendmsg+0x723/0xbe0 [ 6329.087056][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6329.087056][ T74] ___sys_sendmsg+0xee/0x170 [ 6329.087056][ T74] __sys_sendmsg+0xcd/0x170 [ 6329.087056][ T74] do_syscall_64+0xc6/0x1e0 [ 6329.087056][ T74] [ 6329.089017][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6329.089017][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6329.089017][ T74] ipv6_find_idev+0x102/0x170 [ 6329.089017][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6329.089017][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6329.089017][ T74] netlink_rcv_skb+0x130/0x360 [ 6329.089017][ T74] netlink_unicast+0x449/0x710 [ 6329.089017][ T74] netlink_sendmsg+0x723/0xbe0 [ 6329.089017][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6329.089017][ T74] ___sys_sendmsg+0xee/0x170 [ 6329.089017][ T74] __sys_sendmsg+0xcd/0x170 [ 6329.089017][ T74] do_syscall_64+0xc6/0x1e0 [ 6329.089017][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6329.089017][ T74] [ 6329.090681][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6329.090681][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6329.090681][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6329.090681][ T74] ipv6_find_idev+0x102/0x170 [ 6329.090681][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6329.090681][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6329.090681][ T74] netlink_rcv_skb+0x130/0x360 [ 6329.090681][ T74] netlink_unicast+0x449/0x710 [ 6329.090681][ T74] netlink_sendmsg+0x723/0xbe0 [ 6329.090681][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6329.090681][ T74] ___sys_sendmsg+0xee/0x170 [ 6329.090681][ T74] __sys_sendmsg+0xcd/0x170 [ 6329.090681][ T74] do_syscall_64+0xc6/0x1e0 [ 6329.090681][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6329.090681][ T74] [ 6329.092608][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6329.092919][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6329.092919][ T74] netdev_get_by_index+0x5e/0x80 [ 6329.092919][ T74] fib6_nh_init+0x3d8/0x1580 [ 6329.092919][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6329.092919][ T74] ip6_route_add+0x1c/0x140 [ 6329.092919][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6329.092919][ T74] inet6_addr_add+0x4f8/0xa40 [ 6329.092919][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6329.092919][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6329.092919][ T74] netlink_rcv_skb+0x130/0x360 [ 6329.092919][ T74] netlink_unicast+0x449/0x710 [ 6329.092919][ T74] netlink_sendmsg+0x723/0xbe0 [ 6329.092919][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6329.092919][ T74] ___sys_sendmsg+0xee/0x170 [ 6329.092919][ T74] __sys_sendmsg+0xcd/0x170 [ 6329.092919][ T74] do_syscall_64+0xc6/0x1e0 [ 6329.092919][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6329.092919][ T74] [ 6329.095031][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6329.095031][ T74] netdev_get_by_index+0x5e/0x80 [ 6329.095031][ T74] fib6_nh_init+0x3d8/0x1580 [ 6329.095031][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6329.095031][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6329.095031][ T74] ipv6_add_addr+0x411/0x2000 [ 6329.095031][ T74] inet6_addr_add+0x30e/0xa40 [ 6329.095031][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6329.095031][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6329.095031][ T74] netlink_rcv_skb+0x130/0x360 [ 6329.095031][ T74] netlink_unicast+0x449/0x710 [ 6329.095031][ T74] netlink_sendmsg+0x723/0xbe0 [ 6329.095031][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6329.095031][ T74] ___sys_sendmsg+0xee/0x170 [ 6329.095031][ T74] __sys_sendmsg+0xcd/0x170 [ 6329.095031][ T74] do_syscall_64+0xc6/0x1e0 [ 6329.095031][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6329.095031][ T74] [ 6329.097252][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6329.097252][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6329.097252][ T74] ipv6_find_idev+0x102/0x170 [ 6329.097252][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6329.097252][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6329.097252][ T74] netlink_rcv_skb+0x130/0x360 [ 6329.097252][ T74] netlink_unicast+0x449/0x710 [ 6329.097252][ T74] netlink_sendmsg+0x723/0xbe0 [ 6329.097252][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6329.097252][ T74] ___sys_sendmsg+0xee/0x170 [ 6329.097252][ T74] __sys_sendmsg+0xcd/0x170 [ 6329.097252][ T74] do_syscall_64+0xc6/0x1e0 [ 6329.097252][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6329.097252][ T74] [ 6329.098913][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6329.098913][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6329.098913][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6329.098913][ T74] ipv6_find_idev+0x102/0x170 [ 6329.098913][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6329.098913][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6329.098913][ T74] netlink_rcv_skb+0x130/0x360 [ 6329.098913][ T74] netlink_unicast+0x449/0x710 [ 6329.098913][ T74] netlink_sendmsg+0x723/0xbe0 [ 6329.098913][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6329.098913][ T74] ___sys_sendmsg+0xee/0x170 [ 6329.098913][ T74] __sys_sendmsg+0xcd/0x170 [ 6329.098913][ T74] do_syscall_64+0xc6/0x1e0 [ 6329.098913][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6329.098913][ T74] [ 6339.343967][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6339.344403][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6339.344403][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6339.344403][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6339.344403][ T74] fib6_nh_init+0xa22/0x1580 [ 6339.344403][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6339.344403][ T74] ip6_route_add+0x1c/0x140 [ 6339.344403][ T74] inet6_rtm_newroute+0x104/0x110 [ 6339.344403][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6339.344403][ T74] netlink_rcv_skb+0x130/0x360 [ 6339.344403][ T74] netlink_unicast+0x449/0x710 [ 6339.344403][ T74] netlink_sendmsg+0x723/0xbe0 [ 6339.344403][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6339.344403][ T74] ___sys_sendmsg+0xee/0x170 [ 6339.344403][ T74] __sys_sendmsg+0xcd/0x170 [ 6339.344403][ T74] do_syscall_64+0xc6/0x1e0 [ 6339.344403][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6339.344403][ T74] [ 6339.346334][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6339.346334][ T74] netdev_get_by_index+0x5e/0x80 [ 6339.346334][ T74] fib6_nh_init+0x3d8/0x1580 [ 6339.346334][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6339.346334][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6339.346334][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6339.346334][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6339.346334][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6339.346334][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6339.346334][ T74] addrconf_dad_begin+0x310/0x670 [ 6339.346334][ T74] addrconf_dad_work+0x10b/0xab0 [ 6339.346334][ T74] process_one_work+0x84d/0x18a0 [ 6339.346334][ T74] worker_thread+0x587/0xd30 [ 6339.346334][ T74] kthread+0x28a/0x350 [ 6339.346334][ T74] ret_from_fork+0x31/0x70 [ 6339.346334][ T74] ret_from_fork_asm+0x1a/0x30 [ 6339.346334][ T74] [ 6339.348247][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6339.348247][ T74] netdev_get_by_index+0x5e/0x80 [ 6339.348247][ T74] fib6_nh_init+0x3d8/0x1580 [ 6339.348247][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6339.348247][ T74] ip6_route_add+0x1c/0x140 [ 6339.348247][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6339.348247][ T74] inet6_addr_add+0x4f8/0xa40 [ 6339.348247][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6339.348247][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6339.348247][ T74] netlink_rcv_skb+0x130/0x360 [ 6339.348247][ T74] netlink_unicast+0x449/0x710 [ 6339.348247][ T74] netlink_sendmsg+0x723/0xbe0 [ 6339.348247][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6339.348247][ T74] ___sys_sendmsg+0xee/0x170 [ 6339.348247][ T74] __sys_sendmsg+0xcd/0x170 [ 6339.348247][ T74] do_syscall_64+0xc6/0x1e0 [ 6339.348247][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6339.348247][ T74] [ 6339.350247][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6339.350247][ T74] netdev_get_by_index+0x5e/0x80 [ 6339.350247][ T74] fib6_nh_init+0x3d8/0x1580 [ 6339.350247][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6339.350247][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6339.350247][ T74] ipv6_add_addr+0x411/0x2000 [ 6339.350247][ T74] inet6_addr_add+0x30e/0xa40 [ 6339.350247][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6339.350247][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6339.350247][ T74] netlink_rcv_skb+0x130/0x360 [ 6339.350247][ T74] netlink_unicast+0x449/0x710 [ 6339.350247][ T74] netlink_sendmsg+0x723/0xbe0 [ 6339.350247][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6339.350247][ T74] ___sys_sendmsg+0xee/0x170 [ 6339.350247][ T74] __sys_sendmsg+0xcd/0x170 [ 6339.350247][ T74] do_syscall_64+0xc6/0x1e0 [ 6339.350247][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6339.350247][ T74] [ 6339.352234][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6339.352234][ T74] netdev_get_by_index+0x5e/0x80 [ 6339.352234][ T74] fib6_nh_init+0x3d8/0x1580 [ 6339.352234][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6339.352234][ T74] ip6_route_add+0x1c/0x140 [ 6339.352234][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6339.352234][ T74] addrconf_add_dev+0xe2/0x170 [ 6339.352234][ T74] inet6_addr_add+0x12f/0xa40 [ 6339.352234][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6339.352234][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6339.352234][ T74] netlink_rcv_skb+0x130/0x360 [ 6339.352234][ T74] netlink_unicast+0x449/0x710 [ 6339.352234][ T74] netlink_sendmsg+0x723/0xbe0 [ 6339.352234][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6339.352234][ T74] ___sys_sendmsg+0xee/0x170 [ 6339.352234][ T74] __sys_sendmsg+0xcd/0x170 [ 6339.352234][ T74] do_syscall_64+0xc6/0x1e0 [ 6339.352234][ T74] [ 6339.354187][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6339.354187][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6339.354187][ T74] ipv6_find_idev+0x102/0x170 [ 6339.354187][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6339.354187][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6339.354187][ T74] netlink_rcv_skb+0x130/0x360 [ 6339.354187][ T74] netlink_unicast+0x449/0x710 [ 6339.354187][ T74] netlink_sendmsg+0x723/0xbe0 [ 6339.354187][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6339.354187][ T74] ___sys_sendmsg+0xee/0x170 [ 6339.354187][ T74] __sys_sendmsg+0xcd/0x170 [ 6339.354187][ T74] do_syscall_64+0xc6/0x1e0 [ 6339.354187][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6339.354187][ T74] [ 6339.355719][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6339.355719][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6339.355719][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6339.355719][ T74] ipv6_find_idev+0x102/0x170 [ 6339.355719][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6339.355719][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6339.355719][ T74] netlink_rcv_skb+0x130/0x360 [ 6339.355719][ T74] netlink_unicast+0x449/0x710 [ 6339.355719][ T74] netlink_sendmsg+0x723/0xbe0 [ 6339.355719][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6339.355719][ T74] ___sys_sendmsg+0xee/0x170 [ 6339.355719][ T74] __sys_sendmsg+0xcd/0x170 [ 6339.355719][ T74] do_syscall_64+0xc6/0x1e0 [ 6339.355719][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6339.355719][ T74] [ 6339.357406][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6339.357674][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6339.357674][ T74] dst_init+0x84/0x4a0 [ 6339.357674][ T74] dst_alloc+0x97/0x150 [ 6339.357674][ T74] ip6_dst_alloc+0x23/0x90 [ 6339.357674][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6339.357674][ T74] ip6_pol_route+0x56f/0x840 [ 6339.357674][ T74] fib6_rule_lookup+0x456/0x630 [ 6339.357674][ T74] ip6_route_input+0x59c/0xa50 [ 6339.357674][ T74] ipv6_rcv+0x397/0x810 [ 6339.357674][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6339.357674][ T74] process_backlog+0x101/0x620 [ 6339.357674][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6339.357674][ T74] net_rx_action+0x495/0xbe0 [ 6339.357674][ T74] __do_softirq+0x1b5/0x7f6 [ 6339.357674][ T74] [ 6339.359319][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6339.359319][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6339.359319][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6339.359319][ T74] fib6_nh_init+0xa22/0x1580 [ 6339.359319][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6339.359319][ T74] ip6_route_add+0x1c/0x140 [ 6339.359319][ T74] inet6_rtm_newroute+0x104/0x110 [ 6339.359319][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6339.359319][ T74] netlink_rcv_skb+0x130/0x360 [ 6339.359319][ T74] netlink_unicast+0x449/0x710 [ 6339.359319][ T74] netlink_sendmsg+0x723/0xbe0 [ 6339.359319][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6339.359319][ T74] ___sys_sendmsg+0xee/0x170 [ 6339.359319][ T74] __sys_sendmsg+0xcd/0x170 [ 6339.359319][ T74] do_syscall_64+0xc6/0x1e0 [ 6339.359319][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6339.359319][ T74] [ 6339.361186][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6339.361186][ T74] netdev_get_by_index+0x5e/0x80 [ 6339.361186][ T74] fib6_nh_init+0x3d8/0x1580 [ 6339.361186][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6339.361186][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6339.361186][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6339.361186][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6339.361186][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6339.361186][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6339.361186][ T74] addrconf_dad_begin+0x310/0x670 [ 6339.361186][ T74] addrconf_dad_work+0x10b/0xab0 [ 6339.361186][ T74] process_one_work+0x84d/0x18a0 [ 6339.361186][ T74] worker_thread+0x587/0xd30 [ 6339.361186][ T74] kthread+0x28a/0x350 [ 6339.361186][ T74] ret_from_fork+0x31/0x70 [ 6339.361186][ T74] ret_from_fork_asm+0x1a/0x30 [ 6339.361186][ T74] [ 6339.363079][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6339.363079][ T74] netdev_get_by_index+0x5e/0x80 [ 6339.363079][ T74] fib6_nh_init+0x3d8/0x1580 [ 6339.363079][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6339.363079][ T74] ip6_route_add+0x1c/0x140 [ 6339.363079][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6339.363079][ T74] inet6_addr_add+0x4f8/0xa40 [ 6339.363079][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6339.363079][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6339.363079][ T74] netlink_rcv_skb+0x130/0x360 [ 6339.363079][ T74] netlink_unicast+0x449/0x710 [ 6339.363079][ T74] netlink_sendmsg+0x723/0xbe0 [ 6339.363079][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6339.363079][ T74] ___sys_sendmsg+0xee/0x170 [ 6339.363079][ T74] __sys_sendmsg+0xcd/0x170 [ 6339.363079][ T74] do_syscall_64+0xc6/0x1e0 [ 6339.363079][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6339.363079][ T74] [ 6339.365069][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6339.365069][ T74] netdev_get_by_index+0x5e/0x80 [ 6339.365069][ T74] fib6_nh_init+0x3d8/0x1580 [ 6339.365069][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6339.365069][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6339.365069][ T74] ipv6_add_addr+0x411/0x2000 [ 6339.365069][ T74] inet6_addr_add+0x30e/0xa40 [ 6339.365069][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6339.365069][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6339.365069][ T74] netlink_rcv_skb+0x130/0x360 [ 6339.365069][ T74] netlink_unicast+0x449/0x710 [ 6339.365069][ T74] netlink_sendmsg+0x723/0xbe0 [ 6339.365069][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6339.365069][ T74] ___sys_sendmsg+0xee/0x170 [ 6339.365069][ T74] __sys_sendmsg+0xcd/0x170 [ 6339.365069][ T74] do_syscall_64+0xc6/0x1e0 [ 6339.365069][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6339.365069][ T74] [ 6339.367069][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6339.367069][ T74] netdev_get_by_index+0x5e/0x80 [ 6339.367069][ T74] fib6_nh_init+0x3d8/0x1580 [ 6339.367069][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6339.367069][ T74] ip6_route_add+0x1c/0x140 [ 6339.367069][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6339.367069][ T74] addrconf_add_dev+0xe2/0x170 [ 6339.367069][ T74] inet6_addr_add+0x12f/0xa40 [ 6339.367069][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6339.367069][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6339.367069][ T74] netlink_rcv_skb+0x130/0x360 [ 6339.367069][ T74] netlink_unicast+0x449/0x710 [ 6339.367069][ T74] netlink_sendmsg+0x723/0xbe0 [ 6339.367069][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6339.367069][ T74] ___sys_sendmsg+0xee/0x170 [ 6339.367069][ T74] __sys_sendmsg+0xcd/0x170 [ 6339.367069][ T74] do_syscall_64+0xc6/0x1e0 [ 6339.367069][ T74] [ 6339.369033][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6339.369033][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6339.369033][ T74] ipv6_find_idev+0x102/0x170 [ 6339.369033][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6339.369033][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6339.369033][ T74] netlink_rcv_skb+0x130/0x360 [ 6339.369033][ T74] netlink_unicast+0x449/0x710 [ 6339.369033][ T74] netlink_sendmsg+0x723/0xbe0 [ 6339.369033][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6339.369033][ T74] ___sys_sendmsg+0xee/0x170 [ 6339.369033][ T74] __sys_sendmsg+0xcd/0x170 [ 6339.369033][ T74] do_syscall_64+0xc6/0x1e0 [ 6339.369033][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6339.369033][ T74] [ 6339.370690][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6339.370690][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6339.370690][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6339.370690][ T74] ipv6_find_idev+0x102/0x170 [ 6339.370690][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6339.370690][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6339.370690][ T74] netlink_rcv_skb+0x130/0x360 [ 6339.370690][ T74] netlink_unicast+0x449/0x710 [ 6339.370690][ T74] netlink_sendmsg+0x723/0xbe0 [ 6339.370690][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6339.370690][ T74] ___sys_sendmsg+0xee/0x170 [ 6339.370690][ T74] __sys_sendmsg+0xcd/0x170 [ 6339.370690][ T74] do_syscall_64+0xc6/0x1e0 [ 6339.370690][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6339.370690][ T74] [ 6339.372616][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6339.372929][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6339.372929][ T74] netdev_get_by_index+0x5e/0x80 [ 6339.372929][ T74] fib6_nh_init+0x3d8/0x1580 [ 6339.372929][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6339.372929][ T74] ip6_route_add+0x1c/0x140 [ 6339.372929][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6339.372929][ T74] inet6_addr_add+0x4f8/0xa40 [ 6339.372929][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6339.372929][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6339.372929][ T74] netlink_rcv_skb+0x130/0x360 [ 6339.372929][ T74] netlink_unicast+0x449/0x710 [ 6339.372929][ T74] netlink_sendmsg+0x723/0xbe0 [ 6339.372929][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6339.372929][ T74] ___sys_sendmsg+0xee/0x170 [ 6339.372929][ T74] __sys_sendmsg+0xcd/0x170 [ 6339.372929][ T74] do_syscall_64+0xc6/0x1e0 [ 6339.372929][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6339.372929][ T74] [ 6339.375042][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6339.375042][ T74] netdev_get_by_index+0x5e/0x80 [ 6339.375042][ T74] fib6_nh_init+0x3d8/0x1580 [ 6339.375042][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6339.375042][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6339.375042][ T74] ipv6_add_addr+0x411/0x2000 [ 6339.375042][ T74] inet6_addr_add+0x30e/0xa40 [ 6339.375042][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6339.375042][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6339.375042][ T74] netlink_rcv_skb+0x130/0x360 [ 6339.375042][ T74] netlink_unicast+0x449/0x710 [ 6339.375042][ T74] netlink_sendmsg+0x723/0xbe0 [ 6339.375042][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6339.375042][ T74] ___sys_sendmsg+0xee/0x170 [ 6339.375042][ T74] __sys_sendmsg+0xcd/0x170 [ 6339.375042][ T74] do_syscall_64+0xc6/0x1e0 [ 6339.375042][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6339.375042][ T74] [ 6339.377266][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6339.377266][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6339.377266][ T74] ipv6_find_idev+0x102/0x170 [ 6339.377266][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6339.377266][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6339.377266][ T74] netlink_rcv_skb+0x130/0x360 [ 6339.377266][ T74] netlink_unicast+0x449/0x710 [ 6339.377266][ T74] netlink_sendmsg+0x723/0xbe0 [ 6339.377266][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6339.377266][ T74] ___sys_sendmsg+0xee/0x170 [ 6339.377266][ T74] __sys_sendmsg+0xcd/0x170 [ 6339.377266][ T74] do_syscall_64+0xc6/0x1e0 [ 6339.377266][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6339.377266][ T74] [ 6339.378988][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6339.378988][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6339.378988][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6339.378988][ T74] ipv6_find_idev+0x102/0x170 [ 6339.378988][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6339.378988][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6339.378988][ T74] netlink_rcv_skb+0x130/0x360 [ 6339.378988][ T74] netlink_unicast+0x449/0x710 [ 6339.378988][ T74] netlink_sendmsg+0x723/0xbe0 [ 6339.378988][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6339.378988][ T74] ___sys_sendmsg+0xee/0x170 [ 6339.378988][ T74] __sys_sendmsg+0xcd/0x170 [ 6339.378988][ T74] do_syscall_64+0xc6/0x1e0 [ 6339.378988][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6339.378988][ T74] [ 6349.623956][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6349.624380][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6349.624380][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6349.624380][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6349.624380][ T74] fib6_nh_init+0xa22/0x1580 [ 6349.624380][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6349.624380][ T74] ip6_route_add+0x1c/0x140 [ 6349.624380][ T74] inet6_rtm_newroute+0x104/0x110 [ 6349.624380][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6349.624380][ T74] netlink_rcv_skb+0x130/0x360 [ 6349.624380][ T74] netlink_unicast+0x449/0x710 [ 6349.624380][ T74] netlink_sendmsg+0x723/0xbe0 [ 6349.624380][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6349.624380][ T74] ___sys_sendmsg+0xee/0x170 [ 6349.624380][ T74] __sys_sendmsg+0xcd/0x170 [ 6349.624380][ T74] do_syscall_64+0xc6/0x1e0 [ 6349.624380][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6349.624380][ T74] [ 6349.626266][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6349.626266][ T74] netdev_get_by_index+0x5e/0x80 [ 6349.626266][ T74] fib6_nh_init+0x3d8/0x1580 [ 6349.626266][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6349.626266][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6349.626266][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6349.626266][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6349.626266][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6349.626266][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6349.626266][ T74] addrconf_dad_begin+0x310/0x670 [ 6349.626266][ T74] addrconf_dad_work+0x10b/0xab0 [ 6349.626266][ T74] process_one_work+0x84d/0x18a0 [ 6349.626266][ T74] worker_thread+0x587/0xd30 [ 6349.626266][ T74] kthread+0x28a/0x350 [ 6349.626266][ T74] ret_from_fork+0x31/0x70 [ 6349.626266][ T74] ret_from_fork_asm+0x1a/0x30 [ 6349.626266][ T74] [ 6349.628184][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6349.628184][ T74] netdev_get_by_index+0x5e/0x80 [ 6349.628184][ T74] fib6_nh_init+0x3d8/0x1580 [ 6349.628184][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6349.628184][ T74] ip6_route_add+0x1c/0x140 [ 6349.628184][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6349.628184][ T74] inet6_addr_add+0x4f8/0xa40 [ 6349.628184][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6349.628184][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6349.628184][ T74] netlink_rcv_skb+0x130/0x360 [ 6349.628184][ T74] netlink_unicast+0x449/0x710 [ 6349.628184][ T74] netlink_sendmsg+0x723/0xbe0 [ 6349.628184][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6349.628184][ T74] ___sys_sendmsg+0xee/0x170 [ 6349.628184][ T74] __sys_sendmsg+0xcd/0x170 [ 6349.628184][ T74] do_syscall_64+0xc6/0x1e0 [ 6349.628184][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6349.628184][ T74] [ 6349.630183][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6349.630183][ T74] netdev_get_by_index+0x5e/0x80 [ 6349.630183][ T74] fib6_nh_init+0x3d8/0x1580 [ 6349.630183][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6349.630183][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6349.630183][ T74] ipv6_add_addr+0x411/0x2000 [ 6349.630183][ T74] inet6_addr_add+0x30e/0xa40 [ 6349.630183][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6349.630183][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6349.630183][ T74] netlink_rcv_skb+0x130/0x360 [ 6349.630183][ T74] netlink_unicast+0x449/0x710 [ 6349.630183][ T74] netlink_sendmsg+0x723/0xbe0 [ 6349.630183][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6349.630183][ T74] ___sys_sendmsg+0xee/0x170 [ 6349.630183][ T74] __sys_sendmsg+0xcd/0x170 [ 6349.630183][ T74] do_syscall_64+0xc6/0x1e0 [ 6349.630183][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6349.630183][ T74] [ 6349.632172][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6349.632172][ T74] netdev_get_by_index+0x5e/0x80 [ 6349.632172][ T74] fib6_nh_init+0x3d8/0x1580 [ 6349.632172][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6349.632172][ T74] ip6_route_add+0x1c/0x140 [ 6349.632172][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6349.632172][ T74] addrconf_add_dev+0xe2/0x170 [ 6349.632172][ T74] inet6_addr_add+0x12f/0xa40 [ 6349.632172][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6349.632172][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6349.632172][ T74] netlink_rcv_skb+0x130/0x360 [ 6349.632172][ T74] netlink_unicast+0x449/0x710 [ 6349.632172][ T74] netlink_sendmsg+0x723/0xbe0 [ 6349.632172][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6349.632172][ T74] ___sys_sendmsg+0xee/0x170 [ 6349.632172][ T74] __sys_sendmsg+0xcd/0x170 [ 6349.632172][ T74] do_syscall_64+0xc6/0x1e0 [ 6349.632172][ T74] [ 6349.634123][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6349.634123][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6349.634123][ T74] ipv6_find_idev+0x102/0x170 [ 6349.634123][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6349.634123][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6349.634123][ T74] netlink_rcv_skb+0x130/0x360 [ 6349.634123][ T74] netlink_unicast+0x449/0x710 [ 6349.634123][ T74] netlink_sendmsg+0x723/0xbe0 [ 6349.634123][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6349.634123][ T74] ___sys_sendmsg+0xee/0x170 [ 6349.634123][ T74] __sys_sendmsg+0xcd/0x170 [ 6349.634123][ T74] do_syscall_64+0xc6/0x1e0 [ 6349.634123][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6349.634123][ T74] [ 6349.635655][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6349.635655][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6349.635655][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6349.635655][ T74] ipv6_find_idev+0x102/0x170 [ 6349.635655][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6349.635655][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6349.635655][ T74] netlink_rcv_skb+0x130/0x360 [ 6349.635655][ T74] netlink_unicast+0x449/0x710 [ 6349.635655][ T74] netlink_sendmsg+0x723/0xbe0 [ 6349.635655][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6349.635655][ T74] ___sys_sendmsg+0xee/0x170 [ 6349.635655][ T74] __sys_sendmsg+0xcd/0x170 [ 6349.635655][ T74] do_syscall_64+0xc6/0x1e0 [ 6349.635655][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6349.635655][ T74] [ 6349.637328][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6349.637599][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6349.637599][ T74] dst_init+0x84/0x4a0 [ 6349.637599][ T74] dst_alloc+0x97/0x150 [ 6349.637599][ T74] ip6_dst_alloc+0x23/0x90 [ 6349.637599][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6349.637599][ T74] ip6_pol_route+0x56f/0x840 [ 6349.637599][ T74] fib6_rule_lookup+0x456/0x630 [ 6349.637599][ T74] ip6_route_input+0x59c/0xa50 [ 6349.637599][ T74] ipv6_rcv+0x397/0x810 [ 6349.637599][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6349.637599][ T74] process_backlog+0x101/0x620 [ 6349.637599][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6349.637599][ T74] net_rx_action+0x495/0xbe0 [ 6349.637599][ T74] __do_softirq+0x1b5/0x7f6 [ 6349.637599][ T74] [ 6349.639236][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6349.639236][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6349.639236][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6349.639236][ T74] fib6_nh_init+0xa22/0x1580 [ 6349.639236][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6349.639236][ T74] ip6_route_add+0x1c/0x140 [ 6349.639236][ T74] inet6_rtm_newroute+0x104/0x110 [ 6349.639236][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6349.639236][ T74] netlink_rcv_skb+0x130/0x360 [ 6349.639236][ T74] netlink_unicast+0x449/0x710 [ 6349.639236][ T74] netlink_sendmsg+0x723/0xbe0 [ 6349.639236][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6349.639236][ T74] ___sys_sendmsg+0xee/0x170 [ 6349.639236][ T74] __sys_sendmsg+0xcd/0x170 [ 6349.639236][ T74] do_syscall_64+0xc6/0x1e0 [ 6349.639236][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6349.639236][ T74] [ 6349.641112][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6349.641112][ T74] netdev_get_by_index+0x5e/0x80 [ 6349.641112][ T74] fib6_nh_init+0x3d8/0x1580 [ 6349.641112][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6349.641112][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6349.641112][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6349.641112][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6349.641112][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6349.641112][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6349.641112][ T74] addrconf_dad_begin+0x310/0x670 [ 6349.641112][ T74] addrconf_dad_work+0x10b/0xab0 [ 6349.641112][ T74] process_one_work+0x84d/0x18a0 [ 6349.641112][ T74] worker_thread+0x587/0xd30 [ 6349.641112][ T74] kthread+0x28a/0x350 [ 6349.641112][ T74] ret_from_fork+0x31/0x70 [ 6349.641112][ T74] ret_from_fork_asm+0x1a/0x30 [ 6349.641112][ T74] [ 6349.643008][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6349.643008][ T74] netdev_get_by_index+0x5e/0x80 [ 6349.643008][ T74] fib6_nh_init+0x3d8/0x1580 [ 6349.643008][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6349.643008][ T74] ip6_route_add+0x1c/0x140 [ 6349.643008][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6349.643008][ T74] inet6_addr_add+0x4f8/0xa40 [ 6349.643008][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6349.643008][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6349.643008][ T74] netlink_rcv_skb+0x130/0x360 [ 6349.643008][ T74] netlink_unicast+0x449/0x710 [ 6349.643008][ T74] netlink_sendmsg+0x723/0xbe0 [ 6349.643008][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6349.643008][ T74] ___sys_sendmsg+0xee/0x170 [ 6349.643008][ T74] __sys_sendmsg+0xcd/0x170 [ 6349.643008][ T74] do_syscall_64+0xc6/0x1e0 [ 6349.643008][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6349.643008][ T74] [ 6349.644990][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6349.644990][ T74] netdev_get_by_index+0x5e/0x80 [ 6349.644990][ T74] fib6_nh_init+0x3d8/0x1580 [ 6349.644990][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6349.644990][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6349.644990][ T74] ipv6_add_addr+0x411/0x2000 [ 6349.644990][ T74] inet6_addr_add+0x30e/0xa40 [ 6349.644990][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6349.644990][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6349.644990][ T74] netlink_rcv_skb+0x130/0x360 [ 6349.644990][ T74] netlink_unicast+0x449/0x710 [ 6349.644990][ T74] netlink_sendmsg+0x723/0xbe0 [ 6349.644990][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6349.644990][ T74] ___sys_sendmsg+0xee/0x170 [ 6349.644990][ T74] __sys_sendmsg+0xcd/0x170 [ 6349.644990][ T74] do_syscall_64+0xc6/0x1e0 [ 6349.644990][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6349.644990][ T74] [ 6349.646983][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6349.646983][ T74] netdev_get_by_index+0x5e/0x80 [ 6349.646983][ T74] fib6_nh_init+0x3d8/0x1580 [ 6349.646983][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6349.646983][ T74] ip6_route_add+0x1c/0x140 [ 6349.646983][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6349.646983][ T74] addrconf_add_dev+0xe2/0x170 [ 6349.646983][ T74] inet6_addr_add+0x12f/0xa40 [ 6349.646983][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6349.646983][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6349.646983][ T74] netlink_rcv_skb+0x130/0x360 [ 6349.646983][ T74] netlink_unicast+0x449/0x710 [ 6349.646983][ T74] netlink_sendmsg+0x723/0xbe0 [ 6349.646983][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6349.646983][ T74] ___sys_sendmsg+0xee/0x170 [ 6349.646983][ T74] __sys_sendmsg+0xcd/0x170 [ 6349.646983][ T74] do_syscall_64+0xc6/0x1e0 [ 6349.646983][ T74] [ 6349.648944][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6349.648944][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6349.648944][ T74] ipv6_find_idev+0x102/0x170 [ 6349.648944][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6349.648944][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6349.648944][ T74] netlink_rcv_skb+0x130/0x360 [ 6349.648944][ T74] netlink_unicast+0x449/0x710 [ 6349.648944][ T74] netlink_sendmsg+0x723/0xbe0 [ 6349.648944][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6349.648944][ T74] ___sys_sendmsg+0xee/0x170 [ 6349.648944][ T74] __sys_sendmsg+0xcd/0x170 [ 6349.648944][ T74] do_syscall_64+0xc6/0x1e0 [ 6349.648944][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6349.648944][ T74] [ 6349.650598][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6349.650598][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6349.650598][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6349.650598][ T74] ipv6_find_idev+0x102/0x170 [ 6349.650598][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6349.650598][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6349.650598][ T74] netlink_rcv_skb+0x130/0x360 [ 6349.650598][ T74] netlink_unicast+0x449/0x710 [ 6349.650598][ T74] netlink_sendmsg+0x723/0xbe0 [ 6349.650598][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6349.650598][ T74] ___sys_sendmsg+0xee/0x170 [ 6349.650598][ T74] __sys_sendmsg+0xcd/0x170 [ 6349.650598][ T74] do_syscall_64+0xc6/0x1e0 [ 6349.650598][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6349.650598][ T74] [ 6349.652521][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6349.652824][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6349.652824][ T74] netdev_get_by_index+0x5e/0x80 [ 6349.652824][ T74] fib6_nh_init+0x3d8/0x1580 [ 6349.652824][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6349.652824][ T74] ip6_route_add+0x1c/0x140 [ 6349.652824][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6349.652824][ T74] inet6_addr_add+0x4f8/0xa40 [ 6349.652824][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6349.652824][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6349.652824][ T74] netlink_rcv_skb+0x130/0x360 [ 6349.652824][ T74] netlink_unicast+0x449/0x710 [ 6349.652824][ T74] netlink_sendmsg+0x723/0xbe0 [ 6349.652824][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6349.652824][ T74] ___sys_sendmsg+0xee/0x170 [ 6349.652824][ T74] __sys_sendmsg+0xcd/0x170 [ 6349.652824][ T74] do_syscall_64+0xc6/0x1e0 [ 6349.652824][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6349.652824][ T74] [ 6349.655436][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6349.655436][ T74] netdev_get_by_index+0x5e/0x80 [ 6349.655436][ T74] fib6_nh_init+0x3d8/0x1580 [ 6349.655436][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6349.655436][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6349.655436][ T74] ipv6_add_addr+0x411/0x2000 [ 6349.655436][ T74] inet6_addr_add+0x30e/0xa40 [ 6349.655436][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6349.655436][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6349.655436][ T74] netlink_rcv_skb+0x130/0x360 [ 6349.655436][ T74] netlink_unicast+0x449/0x710 [ 6349.655436][ T74] netlink_sendmsg+0x723/0xbe0 [ 6349.655436][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6349.655436][ T74] ___sys_sendmsg+0xee/0x170 [ 6349.655436][ T74] __sys_sendmsg+0xcd/0x170 [ 6349.655436][ T74] do_syscall_64+0xc6/0x1e0 [ 6349.655436][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6349.655436][ T74] [ 6349.657669][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6349.657669][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6349.657669][ T74] ipv6_find_idev+0x102/0x170 [ 6349.657669][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6349.657669][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6349.657669][ T74] netlink_rcv_skb+0x130/0x360 [ 6349.657669][ T74] netlink_unicast+0x449/0x710 [ 6349.657669][ T74] netlink_sendmsg+0x723/0xbe0 [ 6349.657669][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6349.657669][ T74] ___sys_sendmsg+0xee/0x170 [ 6349.657669][ T74] __sys_sendmsg+0xcd/0x170 [ 6349.657669][ T74] do_syscall_64+0xc6/0x1e0 [ 6349.657669][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6349.657669][ T74] [ 6349.659406][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6349.659406][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6349.659406][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6349.659406][ T74] ipv6_find_idev+0x102/0x170 [ 6349.659406][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6349.659406][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6349.659406][ T74] netlink_rcv_skb+0x130/0x360 [ 6349.659406][ T74] netlink_unicast+0x449/0x710 [ 6349.659406][ T74] netlink_sendmsg+0x723/0xbe0 [ 6349.659406][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6349.659406][ T74] ___sys_sendmsg+0xee/0x170 [ 6349.659406][ T74] __sys_sendmsg+0xcd/0x170 [ 6349.659406][ T74] do_syscall_64+0xc6/0x1e0 [ 6349.659406][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6349.659406][ T74] [ 6359.903962][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6359.904377][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6359.904377][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6359.904377][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6359.904377][ T74] fib6_nh_init+0xa22/0x1580 [ 6359.904377][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6359.904377][ T74] ip6_route_add+0x1c/0x140 [ 6359.904377][ T74] inet6_rtm_newroute+0x104/0x110 [ 6359.904377][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6359.904377][ T74] netlink_rcv_skb+0x130/0x360 [ 6359.904377][ T74] netlink_unicast+0x449/0x710 [ 6359.904377][ T74] netlink_sendmsg+0x723/0xbe0 [ 6359.904377][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6359.904377][ T74] ___sys_sendmsg+0xee/0x170 [ 6359.904377][ T74] __sys_sendmsg+0xcd/0x170 [ 6359.904377][ T74] do_syscall_64+0xc6/0x1e0 [ 6359.904377][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6359.904377][ T74] [ 6359.906271][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6359.906271][ T74] netdev_get_by_index+0x5e/0x80 [ 6359.906271][ T74] fib6_nh_init+0x3d8/0x1580 [ 6359.906271][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6359.906271][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6359.906271][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6359.906271][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6359.906271][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6359.906271][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6359.906271][ T74] addrconf_dad_begin+0x310/0x670 [ 6359.906271][ T74] addrconf_dad_work+0x10b/0xab0 [ 6359.906271][ T74] process_one_work+0x84d/0x18a0 [ 6359.906271][ T74] worker_thread+0x587/0xd30 [ 6359.906271][ T74] kthread+0x28a/0x350 [ 6359.906271][ T74] ret_from_fork+0x31/0x70 [ 6359.906271][ T74] ret_from_fork_asm+0x1a/0x30 [ 6359.906271][ T74] [ 6359.908171][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6359.908171][ T74] netdev_get_by_index+0x5e/0x80 [ 6359.908171][ T74] fib6_nh_init+0x3d8/0x1580 [ 6359.908171][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6359.908171][ T74] ip6_route_add+0x1c/0x140 [ 6359.908171][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6359.908171][ T74] inet6_addr_add+0x4f8/0xa40 [ 6359.908171][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6359.908171][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6359.908171][ T74] netlink_rcv_skb+0x130/0x360 [ 6359.908171][ T74] netlink_unicast+0x449/0x710 [ 6359.908171][ T74] netlink_sendmsg+0x723/0xbe0 [ 6359.908171][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6359.908171][ T74] ___sys_sendmsg+0xee/0x170 [ 6359.908171][ T74] __sys_sendmsg+0xcd/0x170 [ 6359.908171][ T74] do_syscall_64+0xc6/0x1e0 [ 6359.908171][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6359.908171][ T74] [ 6359.910195][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6359.910195][ T74] netdev_get_by_index+0x5e/0x80 [ 6359.910195][ T74] fib6_nh_init+0x3d8/0x1580 [ 6359.910195][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6359.910195][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6359.910195][ T74] ipv6_add_addr+0x411/0x2000 [ 6359.910195][ T74] inet6_addr_add+0x30e/0xa40 [ 6359.910195][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6359.910195][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6359.910195][ T74] netlink_rcv_skb+0x130/0x360 [ 6359.910195][ T74] netlink_unicast+0x449/0x710 [ 6359.910195][ T74] netlink_sendmsg+0x723/0xbe0 [ 6359.910195][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6359.910195][ T74] ___sys_sendmsg+0xee/0x170 [ 6359.910195][ T74] __sys_sendmsg+0xcd/0x170 [ 6359.910195][ T74] do_syscall_64+0xc6/0x1e0 [ 6359.910195][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6359.910195][ T74] [ 6359.912179][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6359.912179][ T74] netdev_get_by_index+0x5e/0x80 [ 6359.912179][ T74] fib6_nh_init+0x3d8/0x1580 [ 6359.912179][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6359.912179][ T74] ip6_route_add+0x1c/0x140 [ 6359.912179][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6359.912179][ T74] addrconf_add_dev+0xe2/0x170 [ 6359.912179][ T74] inet6_addr_add+0x12f/0xa40 [ 6359.912179][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6359.912179][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6359.912179][ T74] netlink_rcv_skb+0x130/0x360 [ 6359.912179][ T74] netlink_unicast+0x449/0x710 [ 6359.912179][ T74] netlink_sendmsg+0x723/0xbe0 [ 6359.912179][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6359.912179][ T74] ___sys_sendmsg+0xee/0x170 [ 6359.912179][ T74] __sys_sendmsg+0xcd/0x170 [ 6359.912179][ T74] do_syscall_64+0xc6/0x1e0 [ 6359.912179][ T74] [ 6359.914130][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6359.914130][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6359.914130][ T74] ipv6_find_idev+0x102/0x170 [ 6359.914130][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6359.914130][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6359.914130][ T74] netlink_rcv_skb+0x130/0x360 [ 6359.914130][ T74] netlink_unicast+0x449/0x710 [ 6359.914130][ T74] netlink_sendmsg+0x723/0xbe0 [ 6359.914130][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6359.914130][ T74] ___sys_sendmsg+0xee/0x170 [ 6359.914130][ T74] __sys_sendmsg+0xcd/0x170 [ 6359.914130][ T74] do_syscall_64+0xc6/0x1e0 [ 6359.914130][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6359.914130][ T74] [ 6359.915658][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6359.915658][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6359.915658][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6359.915658][ T74] ipv6_find_idev+0x102/0x170 [ 6359.915658][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6359.915658][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6359.915658][ T74] netlink_rcv_skb+0x130/0x360 [ 6359.915658][ T74] netlink_unicast+0x449/0x710 [ 6359.915658][ T74] netlink_sendmsg+0x723/0xbe0 [ 6359.915658][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6359.915658][ T74] ___sys_sendmsg+0xee/0x170 [ 6359.915658][ T74] __sys_sendmsg+0xcd/0x170 [ 6359.915658][ T74] do_syscall_64+0xc6/0x1e0 [ 6359.915658][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6359.915658][ T74] [ 6359.917335][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6359.917611][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6359.917611][ T74] dst_init+0x84/0x4a0 [ 6359.917611][ T74] dst_alloc+0x97/0x150 [ 6359.917611][ T74] ip6_dst_alloc+0x23/0x90 [ 6359.917611][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6359.917611][ T74] ip6_pol_route+0x56f/0x840 [ 6359.917611][ T74] fib6_rule_lookup+0x456/0x630 [ 6359.917611][ T74] ip6_route_input+0x59c/0xa50 [ 6359.917611][ T74] ipv6_rcv+0x397/0x810 [ 6359.917611][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6359.917611][ T74] process_backlog+0x101/0x620 [ 6359.917611][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6359.917611][ T74] net_rx_action+0x495/0xbe0 [ 6359.917611][ T74] __do_softirq+0x1b5/0x7f6 [ 6359.917611][ T74] [ 6359.919251][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6359.919251][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6359.919251][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6359.919251][ T74] fib6_nh_init+0xa22/0x1580 [ 6359.919251][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6359.919251][ T74] ip6_route_add+0x1c/0x140 [ 6359.919251][ T74] inet6_rtm_newroute+0x104/0x110 [ 6359.919251][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6359.919251][ T74] netlink_rcv_skb+0x130/0x360 [ 6359.919251][ T74] netlink_unicast+0x449/0x710 [ 6359.919251][ T74] netlink_sendmsg+0x723/0xbe0 [ 6359.919251][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6359.919251][ T74] ___sys_sendmsg+0xee/0x170 [ 6359.919251][ T74] __sys_sendmsg+0xcd/0x170 [ 6359.919251][ T74] do_syscall_64+0xc6/0x1e0 [ 6359.919251][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6359.919251][ T74] [ 6359.921116][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6359.921116][ T74] netdev_get_by_index+0x5e/0x80 [ 6359.921116][ T74] fib6_nh_init+0x3d8/0x1580 [ 6359.921116][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6359.921116][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6359.921116][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6359.921116][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6359.921116][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6359.921116][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6359.921116][ T74] addrconf_dad_begin+0x310/0x670 [ 6359.921116][ T74] addrconf_dad_work+0x10b/0xab0 [ 6359.921116][ T74] process_one_work+0x84d/0x18a0 [ 6359.921116][ T74] worker_thread+0x587/0xd30 [ 6359.921116][ T74] kthread+0x28a/0x350 [ 6359.921116][ T74] ret_from_fork+0x31/0x70 [ 6359.921116][ T74] ret_from_fork_asm+0x1a/0x30 [ 6359.921116][ T74] [ 6359.923009][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6359.923009][ T74] netdev_get_by_index+0x5e/0x80 [ 6359.923009][ T74] fib6_nh_init+0x3d8/0x1580 [ 6359.923009][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6359.923009][ T74] ip6_route_add+0x1c/0x140 [ 6359.923009][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6359.923009][ T74] inet6_addr_add+0x4f8/0xa40 [ 6359.923009][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6359.923009][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6359.923009][ T74] netlink_rcv_skb+0x130/0x360 [ 6359.923009][ T74] netlink_unicast+0x449/0x710 [ 6359.923009][ T74] netlink_sendmsg+0x723/0xbe0 [ 6359.923009][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6359.923009][ T74] ___sys_sendmsg+0xee/0x170 [ 6359.923009][ T74] __sys_sendmsg+0xcd/0x170 [ 6359.923009][ T74] do_syscall_64+0xc6/0x1e0 [ 6359.923009][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6359.923009][ T74] [ 6359.925003][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6359.925003][ T74] netdev_get_by_index+0x5e/0x80 [ 6359.925003][ T74] fib6_nh_init+0x3d8/0x1580 [ 6359.925003][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6359.925003][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6359.925003][ T74] ipv6_add_addr+0x411/0x2000 [ 6359.925003][ T74] inet6_addr_add+0x30e/0xa40 [ 6359.925003][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6359.925003][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6359.925003][ T74] netlink_rcv_skb+0x130/0x360 [ 6359.925003][ T74] netlink_unicast+0x449/0x710 [ 6359.925003][ T74] netlink_sendmsg+0x723/0xbe0 [ 6359.925003][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6359.925003][ T74] ___sys_sendmsg+0xee/0x170 [ 6359.925003][ T74] __sys_sendmsg+0xcd/0x170 [ 6359.925003][ T74] do_syscall_64+0xc6/0x1e0 [ 6359.925003][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6359.925003][ T74] [ 6359.927000][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6359.927000][ T74] netdev_get_by_index+0x5e/0x80 [ 6359.927000][ T74] fib6_nh_init+0x3d8/0x1580 [ 6359.927000][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6359.927000][ T74] ip6_route_add+0x1c/0x140 [ 6359.927000][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6359.927000][ T74] addrconf_add_dev+0xe2/0x170 [ 6359.927000][ T74] inet6_addr_add+0x12f/0xa40 [ 6359.927000][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6359.927000][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6359.927000][ T74] netlink_rcv_skb+0x130/0x360 [ 6359.927000][ T74] netlink_unicast+0x449/0x710 [ 6359.927000][ T74] netlink_sendmsg+0x723/0xbe0 [ 6359.927000][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6359.927000][ T74] ___sys_sendmsg+0xee/0x170 [ 6359.927000][ T74] __sys_sendmsg+0xcd/0x170 [ 6359.927000][ T74] do_syscall_64+0xc6/0x1e0 [ 6359.927000][ T74] [ 6359.928951][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6359.928951][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6359.928951][ T74] ipv6_find_idev+0x102/0x170 [ 6359.928951][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6359.928951][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6359.928951][ T74] netlink_rcv_skb+0x130/0x360 [ 6359.928951][ T74] netlink_unicast+0x449/0x710 [ 6359.928951][ T74] netlink_sendmsg+0x723/0xbe0 [ 6359.928951][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6359.928951][ T74] ___sys_sendmsg+0xee/0x170 [ 6359.928951][ T74] __sys_sendmsg+0xcd/0x170 [ 6359.928951][ T74] do_syscall_64+0xc6/0x1e0 [ 6359.928951][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6359.928951][ T74] [ 6359.930602][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6359.930602][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6359.930602][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6359.930602][ T74] ipv6_find_idev+0x102/0x170 [ 6359.930602][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6359.930602][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6359.930602][ T74] netlink_rcv_skb+0x130/0x360 [ 6359.930602][ T74] netlink_unicast+0x449/0x710 [ 6359.930602][ T74] netlink_sendmsg+0x723/0xbe0 [ 6359.930602][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6359.930602][ T74] ___sys_sendmsg+0xee/0x170 [ 6359.930602][ T74] __sys_sendmsg+0xcd/0x170 [ 6359.930602][ T74] do_syscall_64+0xc6/0x1e0 [ 6359.930602][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6359.930602][ T74] [ 6359.932513][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6359.932815][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6359.932815][ T74] netdev_get_by_index+0x5e/0x80 [ 6359.932815][ T74] fib6_nh_init+0x3d8/0x1580 [ 6359.932815][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6359.932815][ T74] ip6_route_add+0x1c/0x140 [ 6359.932815][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6359.932815][ T74] inet6_addr_add+0x4f8/0xa40 [ 6359.932815][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6359.932815][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6359.932815][ T74] netlink_rcv_skb+0x130/0x360 [ 6359.932815][ T74] netlink_unicast+0x449/0x710 [ 6359.932815][ T74] netlink_sendmsg+0x723/0xbe0 [ 6359.932815][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6359.932815][ T74] ___sys_sendmsg+0xee/0x170 [ 6359.932815][ T74] __sys_sendmsg+0xcd/0x170 [ 6359.932815][ T74] do_syscall_64+0xc6/0x1e0 [ 6359.932815][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6359.932815][ T74] [ 6359.934916][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6359.934916][ T74] netdev_get_by_index+0x5e/0x80 [ 6359.934916][ T74] fib6_nh_init+0x3d8/0x1580 [ 6359.934916][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6359.934916][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6359.934916][ T74] ipv6_add_addr+0x411/0x2000 [ 6359.934916][ T74] inet6_addr_add+0x30e/0xa40 [ 6359.934916][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6359.934916][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6359.934916][ T74] netlink_rcv_skb+0x130/0x360 [ 6359.934916][ T74] netlink_unicast+0x449/0x710 [ 6359.934916][ T74] netlink_sendmsg+0x723/0xbe0 [ 6359.934916][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6359.934916][ T74] ___sys_sendmsg+0xee/0x170 [ 6359.934916][ T74] __sys_sendmsg+0xcd/0x170 [ 6359.934916][ T74] do_syscall_64+0xc6/0x1e0 [ 6359.934916][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6359.934916][ T74] [ 6359.937131][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6359.937131][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6359.937131][ T74] ipv6_find_idev+0x102/0x170 [ 6359.937131][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6359.937131][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6359.937131][ T74] netlink_rcv_skb+0x130/0x360 [ 6359.937131][ T74] netlink_unicast+0x449/0x710 [ 6359.937131][ T74] netlink_sendmsg+0x723/0xbe0 [ 6359.937131][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6359.937131][ T74] ___sys_sendmsg+0xee/0x170 [ 6359.937131][ T74] __sys_sendmsg+0xcd/0x170 [ 6359.937131][ T74] do_syscall_64+0xc6/0x1e0 [ 6359.937131][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6359.937131][ T74] [ 6359.938782][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6359.938782][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6359.938782][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6359.938782][ T74] ipv6_find_idev+0x102/0x170 [ 6359.938782][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6359.938782][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6359.938782][ T74] netlink_rcv_skb+0x130/0x360 [ 6359.938782][ T74] netlink_unicast+0x449/0x710 [ 6359.938782][ T74] netlink_sendmsg+0x723/0xbe0 [ 6359.938782][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6359.938782][ T74] ___sys_sendmsg+0xee/0x170 [ 6359.938782][ T74] __sys_sendmsg+0xcd/0x170 [ 6359.938782][ T74] do_syscall_64+0xc6/0x1e0 [ 6359.938782][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6359.938782][ T74] [ 6369.967955][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6369.968380][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6369.968380][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6369.968380][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6369.968380][ T74] fib6_nh_init+0xa22/0x1580 [ 6369.968380][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6369.968380][ T74] ip6_route_add+0x1c/0x140 [ 6369.968380][ T74] inet6_rtm_newroute+0x104/0x110 [ 6369.968380][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6369.968380][ T74] netlink_rcv_skb+0x130/0x360 [ 6369.968380][ T74] netlink_unicast+0x449/0x710 [ 6369.968380][ T74] netlink_sendmsg+0x723/0xbe0 [ 6369.968380][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6369.968380][ T74] ___sys_sendmsg+0xee/0x170 [ 6369.968380][ T74] __sys_sendmsg+0xcd/0x170 [ 6369.968380][ T74] do_syscall_64+0xc6/0x1e0 [ 6369.968380][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6369.968380][ T74] [ 6369.970301][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6369.970301][ T74] netdev_get_by_index+0x5e/0x80 [ 6369.970301][ T74] fib6_nh_init+0x3d8/0x1580 [ 6369.970301][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6369.970301][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6369.970301][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6369.970301][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6369.970301][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6369.970301][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6369.970301][ T74] addrconf_dad_begin+0x310/0x670 [ 6369.970301][ T74] addrconf_dad_work+0x10b/0xab0 [ 6369.970301][ T74] process_one_work+0x84d/0x18a0 [ 6369.970301][ T74] worker_thread+0x587/0xd30 [ 6369.970301][ T74] kthread+0x28a/0x350 [ 6369.970301][ T74] ret_from_fork+0x31/0x70 [ 6369.970301][ T74] ret_from_fork_asm+0x1a/0x30 [ 6369.970301][ T74] [ 6369.972243][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6369.972243][ T74] netdev_get_by_index+0x5e/0x80 [ 6369.972243][ T74] fib6_nh_init+0x3d8/0x1580 [ 6369.972243][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6369.972243][ T74] ip6_route_add+0x1c/0x140 [ 6369.972243][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6369.972243][ T74] inet6_addr_add+0x4f8/0xa40 [ 6369.972243][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6369.972243][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6369.972243][ T74] netlink_rcv_skb+0x130/0x360 [ 6369.972243][ T74] netlink_unicast+0x449/0x710 [ 6369.972243][ T74] netlink_sendmsg+0x723/0xbe0 [ 6369.972243][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6369.972243][ T74] ___sys_sendmsg+0xee/0x170 [ 6369.972243][ T74] __sys_sendmsg+0xcd/0x170 [ 6369.972243][ T74] do_syscall_64+0xc6/0x1e0 [ 6369.972243][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6369.972243][ T74] [ 6369.974244][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6369.974244][ T74] netdev_get_by_index+0x5e/0x80 [ 6369.974244][ T74] fib6_nh_init+0x3d8/0x1580 [ 6369.974244][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6369.974244][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6369.974244][ T74] ipv6_add_addr+0x411/0x2000 [ 6369.974244][ T74] inet6_addr_add+0x30e/0xa40 [ 6369.974244][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6369.974244][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6369.974244][ T74] netlink_rcv_skb+0x130/0x360 [ 6369.974244][ T74] netlink_unicast+0x449/0x710 [ 6369.974244][ T74] netlink_sendmsg+0x723/0xbe0 [ 6369.974244][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6369.974244][ T74] ___sys_sendmsg+0xee/0x170 [ 6369.974244][ T74] __sys_sendmsg+0xcd/0x170 [ 6369.974244][ T74] do_syscall_64+0xc6/0x1e0 [ 6369.974244][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6369.974244][ T74] [ 6369.976239][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6369.976239][ T74] netdev_get_by_index+0x5e/0x80 [ 6369.976239][ T74] fib6_nh_init+0x3d8/0x1580 [ 6369.976239][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6369.976239][ T74] ip6_route_add+0x1c/0x140 [ 6369.976239][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6369.976239][ T74] addrconf_add_dev+0xe2/0x170 [ 6369.976239][ T74] inet6_addr_add+0x12f/0xa40 [ 6369.976239][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6369.976239][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6369.976239][ T74] netlink_rcv_skb+0x130/0x360 [ 6369.976239][ T74] netlink_unicast+0x449/0x710 [ 6369.976239][ T74] netlink_sendmsg+0x723/0xbe0 [ 6369.976239][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6369.976239][ T74] ___sys_sendmsg+0xee/0x170 [ 6369.976239][ T74] __sys_sendmsg+0xcd/0x170 [ 6369.976239][ T74] do_syscall_64+0xc6/0x1e0 [ 6369.976239][ T74] [ 6369.978190][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6369.978190][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6369.978190][ T74] ipv6_find_idev+0x102/0x170 [ 6369.978190][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6369.978190][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6369.978190][ T74] netlink_rcv_skb+0x130/0x360 [ 6369.978190][ T74] netlink_unicast+0x449/0x710 [ 6369.978190][ T74] netlink_sendmsg+0x723/0xbe0 [ 6369.978190][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6369.978190][ T74] ___sys_sendmsg+0xee/0x170 [ 6369.978190][ T74] __sys_sendmsg+0xcd/0x170 [ 6369.978190][ T74] do_syscall_64+0xc6/0x1e0 [ 6369.978190][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6369.978190][ T74] [ 6369.979725][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6369.979725][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6369.979725][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6369.979725][ T74] ipv6_find_idev+0x102/0x170 [ 6369.979725][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6369.979725][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6369.979725][ T74] netlink_rcv_skb+0x130/0x360 [ 6369.979725][ T74] netlink_unicast+0x449/0x710 [ 6369.979725][ T74] netlink_sendmsg+0x723/0xbe0 [ 6369.979725][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6369.979725][ T74] ___sys_sendmsg+0xee/0x170 [ 6369.979725][ T74] __sys_sendmsg+0xcd/0x170 [ 6369.979725][ T74] do_syscall_64+0xc6/0x1e0 [ 6369.979725][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6369.979725][ T74] [ 6369.981396][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6369.981669][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6369.981669][ T74] dst_init+0x84/0x4a0 [ 6369.981669][ T74] dst_alloc+0x97/0x150 [ 6369.981669][ T74] ip6_dst_alloc+0x23/0x90 [ 6369.981669][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6369.981669][ T74] ip6_pol_route+0x56f/0x840 [ 6369.981669][ T74] fib6_rule_lookup+0x456/0x630 [ 6369.981669][ T74] ip6_route_input+0x59c/0xa50 [ 6369.981669][ T74] ipv6_rcv+0x397/0x810 [ 6369.981669][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6369.981669][ T74] process_backlog+0x101/0x620 [ 6369.981669][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6369.981669][ T74] net_rx_action+0x495/0xbe0 [ 6369.981669][ T74] __do_softirq+0x1b5/0x7f6 [ 6369.981669][ T74] [ 6369.983296][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6369.983296][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6369.983296][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6369.983296][ T74] fib6_nh_init+0xa22/0x1580 [ 6369.983296][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6369.983296][ T74] ip6_route_add+0x1c/0x140 [ 6369.983296][ T74] inet6_rtm_newroute+0x104/0x110 [ 6369.983296][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6369.983296][ T74] netlink_rcv_skb+0x130/0x360 [ 6369.983296][ T74] netlink_unicast+0x449/0x710 [ 6369.983296][ T74] netlink_sendmsg+0x723/0xbe0 [ 6369.983296][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6369.983296][ T74] ___sys_sendmsg+0xee/0x170 [ 6369.983296][ T74] __sys_sendmsg+0xcd/0x170 [ 6369.983296][ T74] do_syscall_64+0xc6/0x1e0 [ 6369.983296][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6369.983296][ T74] [ 6369.985163][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6369.985163][ T74] netdev_get_by_index+0x5e/0x80 [ 6369.985163][ T74] fib6_nh_init+0x3d8/0x1580 [ 6369.985163][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6369.985163][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6369.985163][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6369.985163][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6369.985163][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6369.985163][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6369.985163][ T74] addrconf_dad_begin+0x310/0x670 [ 6369.985163][ T74] addrconf_dad_work+0x10b/0xab0 [ 6369.985163][ T74] process_one_work+0x84d/0x18a0 [ 6369.985163][ T74] worker_thread+0x587/0xd30 [ 6369.985163][ T74] kthread+0x28a/0x350 [ 6369.985163][ T74] ret_from_fork+0x31/0x70 [ 6369.985163][ T74] ret_from_fork_asm+0x1a/0x30 [ 6369.985163][ T74] [ 6369.987064][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6369.987064][ T74] netdev_get_by_index+0x5e/0x80 [ 6369.987064][ T74] fib6_nh_init+0x3d8/0x1580 [ 6369.987064][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6369.987064][ T74] ip6_route_add+0x1c/0x140 [ 6369.987064][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6369.987064][ T74] inet6_addr_add+0x4f8/0xa40 [ 6369.987064][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6369.987064][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6369.987064][ T74] netlink_rcv_skb+0x130/0x360 [ 6369.987064][ T74] netlink_unicast+0x449/0x710 [ 6369.987064][ T74] netlink_sendmsg+0x723/0xbe0 [ 6369.987064][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6369.987064][ T74] ___sys_sendmsg+0xee/0x170 [ 6369.987064][ T74] __sys_sendmsg+0xcd/0x170 [ 6369.987064][ T74] do_syscall_64+0xc6/0x1e0 [ 6369.987064][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6369.987064][ T74] [ 6369.989058][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6369.989058][ T74] netdev_get_by_index+0x5e/0x80 [ 6369.989058][ T74] fib6_nh_init+0x3d8/0x1580 [ 6369.989058][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6369.989058][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6369.989058][ T74] ipv6_add_addr+0x411/0x2000 [ 6369.989058][ T74] inet6_addr_add+0x30e/0xa40 [ 6369.989058][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6369.989058][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6369.989058][ T74] netlink_rcv_skb+0x130/0x360 [ 6369.989058][ T74] netlink_unicast+0x449/0x710 [ 6369.989058][ T74] netlink_sendmsg+0x723/0xbe0 [ 6369.989058][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6369.989058][ T74] ___sys_sendmsg+0xee/0x170 [ 6369.989058][ T74] __sys_sendmsg+0xcd/0x170 [ 6369.989058][ T74] do_syscall_64+0xc6/0x1e0 [ 6369.989058][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6369.989058][ T74] [ 6369.991044][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6369.991044][ T74] netdev_get_by_index+0x5e/0x80 [ 6369.991044][ T74] fib6_nh_init+0x3d8/0x1580 [ 6369.991044][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6369.991044][ T74] ip6_route_add+0x1c/0x140 [ 6369.991044][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6369.991044][ T74] addrconf_add_dev+0xe2/0x170 [ 6369.991044][ T74] inet6_addr_add+0x12f/0xa40 [ 6369.991044][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6369.991044][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6369.991044][ T74] netlink_rcv_skb+0x130/0x360 [ 6369.991044][ T74] netlink_unicast+0x449/0x710 [ 6369.991044][ T74] netlink_sendmsg+0x723/0xbe0 [ 6369.991044][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6369.991044][ T74] ___sys_sendmsg+0xee/0x170 [ 6369.991044][ T74] __sys_sendmsg+0xcd/0x170 [ 6369.991044][ T74] do_syscall_64+0xc6/0x1e0 [ 6369.991044][ T74] [ 6369.993007][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6369.993007][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6369.993007][ T74] ipv6_find_idev+0x102/0x170 [ 6369.993007][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6369.993007][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6369.993007][ T74] netlink_rcv_skb+0x130/0x360 [ 6369.993007][ T74] netlink_unicast+0x449/0x710 [ 6369.993007][ T74] netlink_sendmsg+0x723/0xbe0 [ 6369.993007][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6369.993007][ T74] ___sys_sendmsg+0xee/0x170 [ 6369.993007][ T74] __sys_sendmsg+0xcd/0x170 [ 6369.993007][ T74] do_syscall_64+0xc6/0x1e0 [ 6369.993007][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6369.993007][ T74] [ 6369.994612][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6369.994612][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6369.994612][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6369.994612][ T74] ipv6_find_idev+0x102/0x170 [ 6369.994612][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6369.994612][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6369.994612][ T74] netlink_rcv_skb+0x130/0x360 [ 6369.994612][ T74] netlink_unicast+0x449/0x710 [ 6369.994612][ T74] netlink_sendmsg+0x723/0xbe0 [ 6369.994612][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6369.994612][ T74] ___sys_sendmsg+0xee/0x170 [ 6369.994612][ T74] __sys_sendmsg+0xcd/0x170 [ 6369.994612][ T74] do_syscall_64+0xc6/0x1e0 [ 6369.994612][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6369.994612][ T74] [ 6369.996428][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6369.996730][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6369.996730][ T74] netdev_get_by_index+0x5e/0x80 [ 6369.996730][ T74] fib6_nh_init+0x3d8/0x1580 [ 6369.996730][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6369.996730][ T74] ip6_route_add+0x1c/0x140 [ 6369.996730][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6369.996730][ T74] inet6_addr_add+0x4f8/0xa40 [ 6369.996730][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6369.996730][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6369.996730][ T74] netlink_rcv_skb+0x130/0x360 [ 6369.996730][ T74] netlink_unicast+0x449/0x710 [ 6369.996730][ T74] netlink_sendmsg+0x723/0xbe0 [ 6369.996730][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6369.996730][ T74] ___sys_sendmsg+0xee/0x170 [ 6369.996730][ T74] __sys_sendmsg+0xcd/0x170 [ 6369.996730][ T74] do_syscall_64+0xc6/0x1e0 [ 6369.996730][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6369.996730][ T74] [ 6369.998790][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6369.998790][ T74] netdev_get_by_index+0x5e/0x80 [ 6369.998790][ T74] fib6_nh_init+0x3d8/0x1580 [ 6369.998790][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6369.998790][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6369.998790][ T74] ipv6_add_addr+0x411/0x2000 [ 6369.998790][ T74] inet6_addr_add+0x30e/0xa40 [ 6369.998790][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6369.998790][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6369.998790][ T74] netlink_rcv_skb+0x130/0x360 [ 6369.998790][ T74] netlink_unicast+0x449/0x710 [ 6369.998790][ T74] netlink_sendmsg+0x723/0xbe0 [ 6369.998790][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6369.998790][ T74] ___sys_sendmsg+0xee/0x170 [ 6369.998790][ T74] __sys_sendmsg+0xcd/0x170 [ 6369.998790][ T74] do_syscall_64+0xc6/0x1e0 [ 6369.998790][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6369.998790][ T74] [ 6370.000905][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6370.000905][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6370.000905][ T74] ipv6_find_idev+0x102/0x170 [ 6370.000905][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6370.000905][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6370.000905][ T74] netlink_rcv_skb+0x130/0x360 [ 6370.000905][ T74] netlink_unicast+0x449/0x710 [ 6370.000905][ T74] netlink_sendmsg+0x723/0xbe0 [ 6370.000905][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6370.000905][ T74] ___sys_sendmsg+0xee/0x170 [ 6370.000905][ T74] __sys_sendmsg+0xcd/0x170 [ 6370.000905][ T74] do_syscall_64+0xc6/0x1e0 [ 6370.000905][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6370.000905][ T74] [ 6370.002499][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6370.002499][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6370.002499][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6370.002499][ T74] ipv6_find_idev+0x102/0x170 [ 6370.002499][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6370.002499][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6370.002499][ T74] netlink_rcv_skb+0x130/0x360 [ 6370.002499][ T74] netlink_unicast+0x449/0x710 [ 6370.002499][ T74] netlink_sendmsg+0x723/0xbe0 [ 6370.002499][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6370.002499][ T74] ___sys_sendmsg+0xee/0x170 [ 6370.002499][ T74] __sys_sendmsg+0xcd/0x170 [ 6370.002499][ T74] do_syscall_64+0xc6/0x1e0 [ 6370.002499][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6370.002499][ T74] [ 6380.239972][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6380.240339][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6380.240339][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6380.240339][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6380.240339][ T74] fib6_nh_init+0xa22/0x1580 [ 6380.240339][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6380.240339][ T74] ip6_route_add+0x1c/0x140 [ 6380.240339][ T74] inet6_rtm_newroute+0x104/0x110 [ 6380.240339][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6380.240339][ T74] netlink_rcv_skb+0x130/0x360 [ 6380.240339][ T74] netlink_unicast+0x449/0x710 [ 6380.240339][ T74] netlink_sendmsg+0x723/0xbe0 [ 6380.240339][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6380.240339][ T74] ___sys_sendmsg+0xee/0x170 [ 6380.240339][ T74] __sys_sendmsg+0xcd/0x170 [ 6380.240339][ T74] do_syscall_64+0xc6/0x1e0 [ 6380.240339][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6380.240339][ T74] [ 6380.242244][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6380.242244][ T74] netdev_get_by_index+0x5e/0x80 [ 6380.242244][ T74] fib6_nh_init+0x3d8/0x1580 [ 6380.242244][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6380.242244][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6380.242244][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6380.242244][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6380.242244][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6380.242244][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6380.242244][ T74] addrconf_dad_begin+0x310/0x670 [ 6380.242244][ T74] addrconf_dad_work+0x10b/0xab0 [ 6380.242244][ T74] process_one_work+0x84d/0x18a0 [ 6380.242244][ T74] worker_thread+0x587/0xd30 [ 6380.242244][ T74] kthread+0x28a/0x350 [ 6380.242244][ T74] ret_from_fork+0x31/0x70 [ 6380.242244][ T74] ret_from_fork_asm+0x1a/0x30 [ 6380.242244][ T74] [ 6380.244160][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6380.244160][ T74] netdev_get_by_index+0x5e/0x80 [ 6380.244160][ T74] fib6_nh_init+0x3d8/0x1580 [ 6380.244160][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6380.244160][ T74] ip6_route_add+0x1c/0x140 [ 6380.244160][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6380.244160][ T74] inet6_addr_add+0x4f8/0xa40 [ 6380.244160][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6380.244160][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6380.244160][ T74] netlink_rcv_skb+0x130/0x360 [ 6380.244160][ T74] netlink_unicast+0x449/0x710 [ 6380.244160][ T74] netlink_sendmsg+0x723/0xbe0 [ 6380.244160][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6380.244160][ T74] ___sys_sendmsg+0xee/0x170 [ 6380.244160][ T74] __sys_sendmsg+0xcd/0x170 [ 6380.244160][ T74] do_syscall_64+0xc6/0x1e0 [ 6380.244160][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6380.244160][ T74] [ 6380.246146][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6380.246146][ T74] netdev_get_by_index+0x5e/0x80 [ 6380.246146][ T74] fib6_nh_init+0x3d8/0x1580 [ 6380.246146][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6380.246146][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6380.246146][ T74] ipv6_add_addr+0x411/0x2000 [ 6380.246146][ T74] inet6_addr_add+0x30e/0xa40 [ 6380.246146][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6380.246146][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6380.246146][ T74] netlink_rcv_skb+0x130/0x360 [ 6380.246146][ T74] netlink_unicast+0x449/0x710 [ 6380.246146][ T74] netlink_sendmsg+0x723/0xbe0 [ 6380.246146][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6380.246146][ T74] ___sys_sendmsg+0xee/0x170 [ 6380.246146][ T74] __sys_sendmsg+0xcd/0x170 [ 6380.246146][ T74] do_syscall_64+0xc6/0x1e0 [ 6380.246146][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6380.246146][ T74] [ 6380.248151][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6380.248151][ T74] netdev_get_by_index+0x5e/0x80 [ 6380.248151][ T74] fib6_nh_init+0x3d8/0x1580 [ 6380.248151][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6380.248151][ T74] ip6_route_add+0x1c/0x140 [ 6380.248151][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6380.248151][ T74] addrconf_add_dev+0xe2/0x170 [ 6380.248151][ T74] inet6_addr_add+0x12f/0xa40 [ 6380.248151][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6380.248151][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6380.248151][ T74] netlink_rcv_skb+0x130/0x360 [ 6380.248151][ T74] netlink_unicast+0x449/0x710 [ 6380.248151][ T74] netlink_sendmsg+0x723/0xbe0 [ 6380.248151][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6380.248151][ T74] ___sys_sendmsg+0xee/0x170 [ 6380.248151][ T74] __sys_sendmsg+0xcd/0x170 [ 6380.248151][ T74] do_syscall_64+0xc6/0x1e0 [ 6380.248151][ T74] [ 6380.250122][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6380.250122][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6380.250122][ T74] ipv6_find_idev+0x102/0x170 [ 6380.250122][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6380.250122][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6380.250122][ T74] netlink_rcv_skb+0x130/0x360 [ 6380.250122][ T74] netlink_unicast+0x449/0x710 [ 6380.250122][ T74] netlink_sendmsg+0x723/0xbe0 [ 6380.250122][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6380.250122][ T74] ___sys_sendmsg+0xee/0x170 [ 6380.250122][ T74] __sys_sendmsg+0xcd/0x170 [ 6380.250122][ T74] do_syscall_64+0xc6/0x1e0 [ 6380.250122][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6380.250122][ T74] [ 6380.251651][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6380.251651][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6380.251651][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6380.251651][ T74] ipv6_find_idev+0x102/0x170 [ 6380.251651][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6380.251651][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6380.251651][ T74] netlink_rcv_skb+0x130/0x360 [ 6380.251651][ T74] netlink_unicast+0x449/0x710 [ 6380.251651][ T74] netlink_sendmsg+0x723/0xbe0 [ 6380.251651][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6380.251651][ T74] ___sys_sendmsg+0xee/0x170 [ 6380.251651][ T74] __sys_sendmsg+0xcd/0x170 [ 6380.251651][ T74] do_syscall_64+0xc6/0x1e0 [ 6380.251651][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6380.251651][ T74] [ 6380.253333][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6380.253608][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6380.253608][ T74] dst_init+0x84/0x4a0 [ 6380.253608][ T74] dst_alloc+0x97/0x150 [ 6380.253608][ T74] ip6_dst_alloc+0x23/0x90 [ 6380.253608][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6380.253608][ T74] ip6_pol_route+0x56f/0x840 [ 6380.253608][ T74] fib6_rule_lookup+0x456/0x630 [ 6380.253608][ T74] ip6_route_input+0x59c/0xa50 [ 6380.253608][ T74] ipv6_rcv+0x397/0x810 [ 6380.253608][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6380.253608][ T74] process_backlog+0x101/0x620 [ 6380.253608][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6380.253608][ T74] net_rx_action+0x495/0xbe0 [ 6380.253608][ T74] __do_softirq+0x1b5/0x7f6 [ 6380.253608][ T74] [ 6380.255234][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6380.255234][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6380.255234][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6380.255234][ T74] fib6_nh_init+0xa22/0x1580 [ 6380.255234][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6380.255234][ T74] ip6_route_add+0x1c/0x140 [ 6380.255234][ T74] inet6_rtm_newroute+0x104/0x110 [ 6380.255234][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6380.255234][ T74] netlink_rcv_skb+0x130/0x360 [ 6380.255234][ T74] netlink_unicast+0x449/0x710 [ 6380.255234][ T74] netlink_sendmsg+0x723/0xbe0 [ 6380.255234][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6380.255234][ T74] ___sys_sendmsg+0xee/0x170 [ 6380.255234][ T74] __sys_sendmsg+0xcd/0x170 [ 6380.255234][ T74] do_syscall_64+0xc6/0x1e0 [ 6380.255234][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6380.255234][ T74] [ 6380.257104][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6380.257104][ T74] netdev_get_by_index+0x5e/0x80 [ 6380.257104][ T74] fib6_nh_init+0x3d8/0x1580 [ 6380.257104][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6380.257104][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6380.257104][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6380.257104][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6380.257104][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6380.257104][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6380.257104][ T74] addrconf_dad_begin+0x310/0x670 [ 6380.257104][ T74] addrconf_dad_work+0x10b/0xab0 [ 6380.257104][ T74] process_one_work+0x84d/0x18a0 [ 6380.257104][ T74] worker_thread+0x587/0xd30 [ 6380.257104][ T74] kthread+0x28a/0x350 [ 6380.257104][ T74] ret_from_fork+0x31/0x70 [ 6380.257104][ T74] ret_from_fork_asm+0x1a/0x30 [ 6380.257104][ T74] [ 6380.259010][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6380.259010][ T74] netdev_get_by_index+0x5e/0x80 [ 6380.259010][ T74] fib6_nh_init+0x3d8/0x1580 [ 6380.259010][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6380.259010][ T74] ip6_route_add+0x1c/0x140 [ 6380.259010][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6380.259010][ T74] inet6_addr_add+0x4f8/0xa40 [ 6380.259010][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6380.259010][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6380.259010][ T74] netlink_rcv_skb+0x130/0x360 [ 6380.259010][ T74] netlink_unicast+0x449/0x710 [ 6380.259010][ T74] netlink_sendmsg+0x723/0xbe0 [ 6380.259010][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6380.259010][ T74] ___sys_sendmsg+0xee/0x170 [ 6380.259010][ T74] __sys_sendmsg+0xcd/0x170 [ 6380.259010][ T74] do_syscall_64+0xc6/0x1e0 [ 6380.259010][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6380.259010][ T74] [ 6380.261002][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6380.261002][ T74] netdev_get_by_index+0x5e/0x80 [ 6380.261002][ T74] fib6_nh_init+0x3d8/0x1580 [ 6380.261002][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6380.261002][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6380.261002][ T74] ipv6_add_addr+0x411/0x2000 [ 6380.261002][ T74] inet6_addr_add+0x30e/0xa40 [ 6380.261002][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6380.261002][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6380.261002][ T74] netlink_rcv_skb+0x130/0x360 [ 6380.261002][ T74] netlink_unicast+0x449/0x710 [ 6380.261002][ T74] netlink_sendmsg+0x723/0xbe0 [ 6380.261002][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6380.261002][ T74] ___sys_sendmsg+0xee/0x170 [ 6380.261002][ T74] __sys_sendmsg+0xcd/0x170 [ 6380.261002][ T74] do_syscall_64+0xc6/0x1e0 [ 6380.261002][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6380.261002][ T74] [ 6380.262986][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6380.262986][ T74] netdev_get_by_index+0x5e/0x80 [ 6380.262986][ T74] fib6_nh_init+0x3d8/0x1580 [ 6380.262986][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6380.262986][ T74] ip6_route_add+0x1c/0x140 [ 6380.262986][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6380.262986][ T74] addrconf_add_dev+0xe2/0x170 [ 6380.262986][ T74] inet6_addr_add+0x12f/0xa40 [ 6380.262986][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6380.262986][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6380.262986][ T74] netlink_rcv_skb+0x130/0x360 [ 6380.262986][ T74] netlink_unicast+0x449/0x710 [ 6380.262986][ T74] netlink_sendmsg+0x723/0xbe0 [ 6380.262986][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6380.262986][ T74] ___sys_sendmsg+0xee/0x170 [ 6380.262986][ T74] __sys_sendmsg+0xcd/0x170 [ 6380.262986][ T74] do_syscall_64+0xc6/0x1e0 [ 6380.262986][ T74] [ 6380.264929][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6380.264929][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6380.264929][ T74] ipv6_find_idev+0x102/0x170 [ 6380.264929][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6380.264929][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6380.264929][ T74] netlink_rcv_skb+0x130/0x360 [ 6380.264929][ T74] netlink_unicast+0x449/0x710 [ 6380.264929][ T74] netlink_sendmsg+0x723/0xbe0 [ 6380.264929][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6380.264929][ T74] ___sys_sendmsg+0xee/0x170 [ 6380.264929][ T74] __sys_sendmsg+0xcd/0x170 [ 6380.264929][ T74] do_syscall_64+0xc6/0x1e0 [ 6380.264929][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6380.264929][ T74] [ 6380.266589][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6380.266589][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6380.266589][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6380.266589][ T74] ipv6_find_idev+0x102/0x170 [ 6380.266589][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6380.266589][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6380.266589][ T74] netlink_rcv_skb+0x130/0x360 [ 6380.266589][ T74] netlink_unicast+0x449/0x710 [ 6380.266589][ T74] netlink_sendmsg+0x723/0xbe0 [ 6380.266589][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6380.266589][ T74] ___sys_sendmsg+0xee/0x170 [ 6380.266589][ T74] __sys_sendmsg+0xcd/0x170 [ 6380.266589][ T74] do_syscall_64+0xc6/0x1e0 [ 6380.266589][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6380.266589][ T74] [ 6380.268502][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6380.268746][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6380.268746][ T74] netdev_get_by_index+0x5e/0x80 [ 6380.268746][ T74] fib6_nh_init+0x3d8/0x1580 [ 6380.268746][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6380.268746][ T74] ip6_route_add+0x1c/0x140 [ 6380.268746][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6380.268746][ T74] inet6_addr_add+0x4f8/0xa40 [ 6380.268746][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6380.268746][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6380.268746][ T74] netlink_rcv_skb+0x130/0x360 [ 6380.268746][ T74] netlink_unicast+0x449/0x710 [ 6380.268746][ T74] netlink_sendmsg+0x723/0xbe0 [ 6380.268746][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6380.268746][ T74] ___sys_sendmsg+0xee/0x170 [ 6380.268746][ T74] __sys_sendmsg+0xcd/0x170 [ 6380.268746][ T74] do_syscall_64+0xc6/0x1e0 [ 6380.268746][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6380.268746][ T74] [ 6380.271034][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6380.271034][ T74] netdev_get_by_index+0x5e/0x80 [ 6380.271034][ T74] fib6_nh_init+0x3d8/0x1580 [ 6380.271034][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6380.271034][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6380.271034][ T74] ipv6_add_addr+0x411/0x2000 [ 6380.271034][ T74] inet6_addr_add+0x30e/0xa40 [ 6380.271034][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6380.271034][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6380.271034][ T74] netlink_rcv_skb+0x130/0x360 [ 6380.271034][ T74] netlink_unicast+0x449/0x710 [ 6380.271034][ T74] netlink_sendmsg+0x723/0xbe0 [ 6380.271034][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6380.271034][ T74] ___sys_sendmsg+0xee/0x170 [ 6380.271034][ T74] __sys_sendmsg+0xcd/0x170 [ 6380.271034][ T74] do_syscall_64+0xc6/0x1e0 [ 6380.271034][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6380.271034][ T74] [ 6380.273265][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6380.273265][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6380.273265][ T74] ipv6_find_idev+0x102/0x170 [ 6380.273265][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6380.273265][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6380.273265][ T74] netlink_rcv_skb+0x130/0x360 [ 6380.273265][ T74] netlink_unicast+0x449/0x710 [ 6380.273265][ T74] netlink_sendmsg+0x723/0xbe0 [ 6380.273265][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6380.273265][ T74] ___sys_sendmsg+0xee/0x170 [ 6380.273265][ T74] __sys_sendmsg+0xcd/0x170 [ 6380.273265][ T74] do_syscall_64+0xc6/0x1e0 [ 6380.273265][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6380.273265][ T74] [ 6380.274971][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6380.274971][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6380.274971][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6380.274971][ T74] ipv6_find_idev+0x102/0x170 [ 6380.274971][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6380.274971][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6380.274971][ T74] netlink_rcv_skb+0x130/0x360 [ 6380.274971][ T74] netlink_unicast+0x449/0x710 [ 6380.274971][ T74] netlink_sendmsg+0x723/0xbe0 [ 6380.274971][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6380.274971][ T74] ___sys_sendmsg+0xee/0x170 [ 6380.274971][ T74] __sys_sendmsg+0xcd/0x170 [ 6380.274971][ T74] do_syscall_64+0xc6/0x1e0 [ 6380.274971][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6380.274971][ T74] [ 6390.511960][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6390.512375][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6390.512375][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6390.512375][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6390.512375][ T74] fib6_nh_init+0xa22/0x1580 [ 6390.512375][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6390.512375][ T74] ip6_route_add+0x1c/0x140 [ 6390.512375][ T74] inet6_rtm_newroute+0x104/0x110 [ 6390.512375][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6390.512375][ T74] netlink_rcv_skb+0x130/0x360 [ 6390.512375][ T74] netlink_unicast+0x449/0x710 [ 6390.512375][ T74] netlink_sendmsg+0x723/0xbe0 [ 6390.512375][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6390.512375][ T74] ___sys_sendmsg+0xee/0x170 [ 6390.512375][ T74] __sys_sendmsg+0xcd/0x170 [ 6390.512375][ T74] do_syscall_64+0xc6/0x1e0 [ 6390.512375][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6390.512375][ T74] [ 6390.514293][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6390.514293][ T74] netdev_get_by_index+0x5e/0x80 [ 6390.514293][ T74] fib6_nh_init+0x3d8/0x1580 [ 6390.514293][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6390.514293][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6390.514293][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6390.514293][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6390.514293][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6390.514293][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6390.514293][ T74] addrconf_dad_begin+0x310/0x670 [ 6390.514293][ T74] addrconf_dad_work+0x10b/0xab0 [ 6390.514293][ T74] process_one_work+0x84d/0x18a0 [ 6390.514293][ T74] worker_thread+0x587/0xd30 [ 6390.514293][ T74] kthread+0x28a/0x350 [ 6390.514293][ T74] ret_from_fork+0x31/0x70 [ 6390.514293][ T74] ret_from_fork_asm+0x1a/0x30 [ 6390.514293][ T74] [ 6390.516199][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6390.516199][ T74] netdev_get_by_index+0x5e/0x80 [ 6390.516199][ T74] fib6_nh_init+0x3d8/0x1580 [ 6390.516199][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6390.516199][ T74] ip6_route_add+0x1c/0x140 [ 6390.516199][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6390.516199][ T74] inet6_addr_add+0x4f8/0xa40 [ 6390.516199][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6390.516199][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6390.516199][ T74] netlink_rcv_skb+0x130/0x360 [ 6390.516199][ T74] netlink_unicast+0x449/0x710 [ 6390.516199][ T74] netlink_sendmsg+0x723/0xbe0 [ 6390.516199][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6390.516199][ T74] ___sys_sendmsg+0xee/0x170 [ 6390.516199][ T74] __sys_sendmsg+0xcd/0x170 [ 6390.516199][ T74] do_syscall_64+0xc6/0x1e0 [ 6390.516199][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6390.516199][ T74] [ 6390.518185][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6390.518185][ T74] netdev_get_by_index+0x5e/0x80 [ 6390.518185][ T74] fib6_nh_init+0x3d8/0x1580 [ 6390.518185][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6390.518185][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6390.518185][ T74] ipv6_add_addr+0x411/0x2000 [ 6390.518185][ T74] inet6_addr_add+0x30e/0xa40 [ 6390.518185][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6390.518185][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6390.518185][ T74] netlink_rcv_skb+0x130/0x360 [ 6390.518185][ T74] netlink_unicast+0x449/0x710 [ 6390.518185][ T74] netlink_sendmsg+0x723/0xbe0 [ 6390.518185][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6390.518185][ T74] ___sys_sendmsg+0xee/0x170 [ 6390.518185][ T74] __sys_sendmsg+0xcd/0x170 [ 6390.518185][ T74] do_syscall_64+0xc6/0x1e0 [ 6390.518185][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6390.518185][ T74] [ 6390.520183][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6390.520183][ T74] netdev_get_by_index+0x5e/0x80 [ 6390.520183][ T74] fib6_nh_init+0x3d8/0x1580 [ 6390.520183][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6390.520183][ T74] ip6_route_add+0x1c/0x140 [ 6390.520183][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6390.520183][ T74] addrconf_add_dev+0xe2/0x170 [ 6390.520183][ T74] inet6_addr_add+0x12f/0xa40 [ 6390.520183][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6390.520183][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6390.520183][ T74] netlink_rcv_skb+0x130/0x360 [ 6390.520183][ T74] netlink_unicast+0x449/0x710 [ 6390.520183][ T74] netlink_sendmsg+0x723/0xbe0 [ 6390.520183][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6390.520183][ T74] ___sys_sendmsg+0xee/0x170 [ 6390.520183][ T74] __sys_sendmsg+0xcd/0x170 [ 6390.520183][ T74] do_syscall_64+0xc6/0x1e0 [ 6390.520183][ T74] [ 6390.522131][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6390.522131][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6390.522131][ T74] ipv6_find_idev+0x102/0x170 [ 6390.522131][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6390.522131][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6390.522131][ T74] netlink_rcv_skb+0x130/0x360 [ 6390.522131][ T74] netlink_unicast+0x449/0x710 [ 6390.522131][ T74] netlink_sendmsg+0x723/0xbe0 [ 6390.522131][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6390.522131][ T74] ___sys_sendmsg+0xee/0x170 [ 6390.522131][ T74] __sys_sendmsg+0xcd/0x170 [ 6390.522131][ T74] do_syscall_64+0xc6/0x1e0 [ 6390.522131][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6390.522131][ T74] [ 6390.523650][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6390.523650][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6390.523650][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6390.523650][ T74] ipv6_find_idev+0x102/0x170 [ 6390.523650][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6390.523650][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6390.523650][ T74] netlink_rcv_skb+0x130/0x360 [ 6390.523650][ T74] netlink_unicast+0x449/0x710 [ 6390.523650][ T74] netlink_sendmsg+0x723/0xbe0 [ 6390.523650][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6390.523650][ T74] ___sys_sendmsg+0xee/0x170 [ 6390.523650][ T74] __sys_sendmsg+0xcd/0x170 [ 6390.523650][ T74] do_syscall_64+0xc6/0x1e0 [ 6390.523650][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6390.523650][ T74] [ 6390.525325][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6390.525605][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6390.525605][ T74] dst_init+0x84/0x4a0 [ 6390.525605][ T74] dst_alloc+0x97/0x150 [ 6390.525605][ T74] ip6_dst_alloc+0x23/0x90 [ 6390.525605][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6390.525605][ T74] ip6_pol_route+0x56f/0x840 [ 6390.525605][ T74] fib6_rule_lookup+0x456/0x630 [ 6390.525605][ T74] ip6_route_input+0x59c/0xa50 [ 6390.525605][ T74] ipv6_rcv+0x397/0x810 [ 6390.525605][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6390.525605][ T74] process_backlog+0x101/0x620 [ 6390.525605][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6390.525605][ T74] net_rx_action+0x495/0xbe0 [ 6390.525605][ T74] __do_softirq+0x1b5/0x7f6 [ 6390.525605][ T74] [ 6390.527235][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6390.527235][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6390.527235][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6390.527235][ T74] fib6_nh_init+0xa22/0x1580 [ 6390.527235][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6390.527235][ T74] ip6_route_add+0x1c/0x140 [ 6390.527235][ T74] inet6_rtm_newroute+0x104/0x110 [ 6390.527235][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6390.527235][ T74] netlink_rcv_skb+0x130/0x360 [ 6390.527235][ T74] netlink_unicast+0x449/0x710 [ 6390.527235][ T74] netlink_sendmsg+0x723/0xbe0 [ 6390.527235][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6390.527235][ T74] ___sys_sendmsg+0xee/0x170 [ 6390.527235][ T74] __sys_sendmsg+0xcd/0x170 [ 6390.527235][ T74] do_syscall_64+0xc6/0x1e0 [ 6390.527235][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6390.527235][ T74] [ 6390.529106][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6390.529106][ T74] netdev_get_by_index+0x5e/0x80 [ 6390.529106][ T74] fib6_nh_init+0x3d8/0x1580 [ 6390.529106][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6390.529106][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6390.529106][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6390.529106][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6390.529106][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6390.529106][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6390.529106][ T74] addrconf_dad_begin+0x310/0x670 [ 6390.529106][ T74] addrconf_dad_work+0x10b/0xab0 [ 6390.529106][ T74] process_one_work+0x84d/0x18a0 [ 6390.529106][ T74] worker_thread+0x587/0xd30 [ 6390.529106][ T74] kthread+0x28a/0x350 [ 6390.529106][ T74] ret_from_fork+0x31/0x70 [ 6390.529106][ T74] ret_from_fork_asm+0x1a/0x30 [ 6390.529106][ T74] [ 6390.531002][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6390.531002][ T74] netdev_get_by_index+0x5e/0x80 [ 6390.531002][ T74] fib6_nh_init+0x3d8/0x1580 [ 6390.531002][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6390.531002][ T74] ip6_route_add+0x1c/0x140 [ 6390.531002][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6390.531002][ T74] inet6_addr_add+0x4f8/0xa40 [ 6390.531002][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6390.531002][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6390.531002][ T74] netlink_rcv_skb+0x130/0x360 [ 6390.531002][ T74] netlink_unicast+0x449/0x710 [ 6390.531002][ T74] netlink_sendmsg+0x723/0xbe0 [ 6390.531002][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6390.531002][ T74] ___sys_sendmsg+0xee/0x170 [ 6390.531002][ T74] __sys_sendmsg+0xcd/0x170 [ 6390.531002][ T74] do_syscall_64+0xc6/0x1e0 [ 6390.531002][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6390.531002][ T74] [ 6390.532988][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6390.532988][ T74] netdev_get_by_index+0x5e/0x80 [ 6390.532988][ T74] fib6_nh_init+0x3d8/0x1580 [ 6390.532988][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6390.532988][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6390.532988][ T74] ipv6_add_addr+0x411/0x2000 [ 6390.532988][ T74] inet6_addr_add+0x30e/0xa40 [ 6390.532988][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6390.532988][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6390.532988][ T74] netlink_rcv_skb+0x130/0x360 [ 6390.532988][ T74] netlink_unicast+0x449/0x710 [ 6390.532988][ T74] netlink_sendmsg+0x723/0xbe0 [ 6390.532988][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6390.532988][ T74] ___sys_sendmsg+0xee/0x170 [ 6390.532988][ T74] __sys_sendmsg+0xcd/0x170 [ 6390.532988][ T74] do_syscall_64+0xc6/0x1e0 [ 6390.532988][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6390.532988][ T74] [ 6390.534972][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6390.534972][ T74] netdev_get_by_index+0x5e/0x80 [ 6390.534972][ T74] fib6_nh_init+0x3d8/0x1580 [ 6390.534972][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6390.534972][ T74] ip6_route_add+0x1c/0x140 [ 6390.534972][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6390.534972][ T74] addrconf_add_dev+0xe2/0x170 [ 6390.534972][ T74] inet6_addr_add+0x12f/0xa40 [ 6390.534972][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6390.534972][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6390.534972][ T74] netlink_rcv_skb+0x130/0x360 [ 6390.534972][ T74] netlink_unicast+0x449/0x710 [ 6390.534972][ T74] netlink_sendmsg+0x723/0xbe0 [ 6390.534972][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6390.534972][ T74] ___sys_sendmsg+0xee/0x170 [ 6390.534972][ T74] __sys_sendmsg+0xcd/0x170 [ 6390.534972][ T74] do_syscall_64+0xc6/0x1e0 [ 6390.534972][ T74] [ 6390.536930][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6390.536930][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6390.536930][ T74] ipv6_find_idev+0x102/0x170 [ 6390.536930][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6390.536930][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6390.536930][ T74] netlink_rcv_skb+0x130/0x360 [ 6390.536930][ T74] netlink_unicast+0x449/0x710 [ 6390.536930][ T74] netlink_sendmsg+0x723/0xbe0 [ 6390.536930][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6390.536930][ T74] ___sys_sendmsg+0xee/0x170 [ 6390.536930][ T74] __sys_sendmsg+0xcd/0x170 [ 6390.536930][ T74] do_syscall_64+0xc6/0x1e0 [ 6390.536930][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6390.536930][ T74] [ 6390.538597][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6390.538597][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6390.538597][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6390.538597][ T74] ipv6_find_idev+0x102/0x170 [ 6390.538597][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6390.538597][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6390.538597][ T74] netlink_rcv_skb+0x130/0x360 [ 6390.538597][ T74] netlink_unicast+0x449/0x710 [ 6390.538597][ T74] netlink_sendmsg+0x723/0xbe0 [ 6390.538597][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6390.538597][ T74] ___sys_sendmsg+0xee/0x170 [ 6390.538597][ T74] __sys_sendmsg+0xcd/0x170 [ 6390.538597][ T74] do_syscall_64+0xc6/0x1e0 [ 6390.538597][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6390.538597][ T74] [ 6390.540518][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6390.540759][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6390.540759][ T74] netdev_get_by_index+0x5e/0x80 [ 6390.540759][ T74] fib6_nh_init+0x3d8/0x1580 [ 6390.540759][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6390.540759][ T74] ip6_route_add+0x1c/0x140 [ 6390.540759][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6390.540759][ T74] inet6_addr_add+0x4f8/0xa40 [ 6390.540759][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6390.540759][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6390.540759][ T74] netlink_rcv_skb+0x130/0x360 [ 6390.540759][ T74] netlink_unicast+0x449/0x710 [ 6390.540759][ T74] netlink_sendmsg+0x723/0xbe0 [ 6390.540759][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6390.540759][ T74] ___sys_sendmsg+0xee/0x170 [ 6390.540759][ T74] __sys_sendmsg+0xcd/0x170 [ 6390.540759][ T74] do_syscall_64+0xc6/0x1e0 [ 6390.540759][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6390.540759][ T74] [ 6390.542992][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6390.542992][ T74] netdev_get_by_index+0x5e/0x80 [ 6390.542992][ T74] fib6_nh_init+0x3d8/0x1580 [ 6390.542992][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6390.542992][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6390.542992][ T74] ipv6_add_addr+0x411/0x2000 [ 6390.542992][ T74] inet6_addr_add+0x30e/0xa40 [ 6390.542992][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6390.542992][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6390.542992][ T74] netlink_rcv_skb+0x130/0x360 [ 6390.542992][ T74] netlink_unicast+0x449/0x710 [ 6390.542992][ T74] netlink_sendmsg+0x723/0xbe0 [ 6390.542992][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6390.542992][ T74] ___sys_sendmsg+0xee/0x170 [ 6390.542992][ T74] __sys_sendmsg+0xcd/0x170 [ 6390.542992][ T74] do_syscall_64+0xc6/0x1e0 [ 6390.542992][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6390.542992][ T74] [ 6390.545233][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6390.545233][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6390.545233][ T74] ipv6_find_idev+0x102/0x170 [ 6390.545233][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6390.545233][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6390.545233][ T74] netlink_rcv_skb+0x130/0x360 [ 6390.545233][ T74] netlink_unicast+0x449/0x710 [ 6390.545233][ T74] netlink_sendmsg+0x723/0xbe0 [ 6390.545233][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6390.545233][ T74] ___sys_sendmsg+0xee/0x170 [ 6390.545233][ T74] __sys_sendmsg+0xcd/0x170 [ 6390.545233][ T74] do_syscall_64+0xc6/0x1e0 [ 6390.545233][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6390.545233][ T74] [ 6390.547007][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6390.547007][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6390.547007][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6390.547007][ T74] ipv6_find_idev+0x102/0x170 [ 6390.547007][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6390.547007][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6390.547007][ T74] netlink_rcv_skb+0x130/0x360 [ 6390.547007][ T74] netlink_unicast+0x449/0x710 [ 6390.547007][ T74] netlink_sendmsg+0x723/0xbe0 [ 6390.547007][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6390.547007][ T74] ___sys_sendmsg+0xee/0x170 [ 6390.547007][ T74] __sys_sendmsg+0xcd/0x170 [ 6390.547007][ T74] do_syscall_64+0xc6/0x1e0 [ 6390.547007][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6390.547007][ T74] [ 6400.783985][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6400.784424][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6400.784424][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6400.784424][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6400.784424][ T74] fib6_nh_init+0xa22/0x1580 [ 6400.784424][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6400.784424][ T74] ip6_route_add+0x1c/0x140 [ 6400.784424][ T74] inet6_rtm_newroute+0x104/0x110 [ 6400.784424][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6400.784424][ T74] netlink_rcv_skb+0x130/0x360 [ 6400.784424][ T74] netlink_unicast+0x449/0x710 [ 6400.784424][ T74] netlink_sendmsg+0x723/0xbe0 [ 6400.784424][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6400.784424][ T74] ___sys_sendmsg+0xee/0x170 [ 6400.784424][ T74] __sys_sendmsg+0xcd/0x170 [ 6400.784424][ T74] do_syscall_64+0xc6/0x1e0 [ 6400.784424][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6400.784424][ T74] [ 6400.786311][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6400.786311][ T74] netdev_get_by_index+0x5e/0x80 [ 6400.786311][ T74] fib6_nh_init+0x3d8/0x1580 [ 6400.786311][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6400.786311][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6400.786311][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6400.786311][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6400.786311][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6400.786311][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6400.786311][ T74] addrconf_dad_begin+0x310/0x670 [ 6400.786311][ T74] addrconf_dad_work+0x10b/0xab0 [ 6400.786311][ T74] process_one_work+0x84d/0x18a0 [ 6400.786311][ T74] worker_thread+0x587/0xd30 [ 6400.786311][ T74] kthread+0x28a/0x350 [ 6400.786311][ T74] ret_from_fork+0x31/0x70 [ 6400.786311][ T74] ret_from_fork_asm+0x1a/0x30 [ 6400.786311][ T74] [ 6400.788222][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6400.788222][ T74] netdev_get_by_index+0x5e/0x80 [ 6400.788222][ T74] fib6_nh_init+0x3d8/0x1580 [ 6400.788222][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6400.788222][ T74] ip6_route_add+0x1c/0x140 [ 6400.788222][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6400.788222][ T74] inet6_addr_add+0x4f8/0xa40 [ 6400.788222][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6400.788222][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6400.788222][ T74] netlink_rcv_skb+0x130/0x360 [ 6400.788222][ T74] netlink_unicast+0x449/0x710 [ 6400.788222][ T74] netlink_sendmsg+0x723/0xbe0 [ 6400.788222][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6400.788222][ T74] ___sys_sendmsg+0xee/0x170 [ 6400.788222][ T74] __sys_sendmsg+0xcd/0x170 [ 6400.788222][ T74] do_syscall_64+0xc6/0x1e0 [ 6400.788222][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6400.788222][ T74] [ 6400.790218][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6400.790218][ T74] netdev_get_by_index+0x5e/0x80 [ 6400.790218][ T74] fib6_nh_init+0x3d8/0x1580 [ 6400.790218][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6400.790218][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6400.790218][ T74] ipv6_add_addr+0x411/0x2000 [ 6400.790218][ T74] inet6_addr_add+0x30e/0xa40 [ 6400.790218][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6400.790218][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6400.790218][ T74] netlink_rcv_skb+0x130/0x360 [ 6400.790218][ T74] netlink_unicast+0x449/0x710 [ 6400.790218][ T74] netlink_sendmsg+0x723/0xbe0 [ 6400.790218][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6400.790218][ T74] ___sys_sendmsg+0xee/0x170 [ 6400.790218][ T74] __sys_sendmsg+0xcd/0x170 [ 6400.790218][ T74] do_syscall_64+0xc6/0x1e0 [ 6400.790218][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6400.790218][ T74] [ 6400.792202][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6400.792202][ T74] netdev_get_by_index+0x5e/0x80 [ 6400.792202][ T74] fib6_nh_init+0x3d8/0x1580 [ 6400.792202][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6400.792202][ T74] ip6_route_add+0x1c/0x140 [ 6400.792202][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6400.792202][ T74] addrconf_add_dev+0xe2/0x170 [ 6400.792202][ T74] inet6_addr_add+0x12f/0xa40 [ 6400.792202][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6400.792202][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6400.792202][ T74] netlink_rcv_skb+0x130/0x360 [ 6400.792202][ T74] netlink_unicast+0x449/0x710 [ 6400.792202][ T74] netlink_sendmsg+0x723/0xbe0 [ 6400.792202][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6400.792202][ T74] ___sys_sendmsg+0xee/0x170 [ 6400.792202][ T74] __sys_sendmsg+0xcd/0x170 [ 6400.792202][ T74] do_syscall_64+0xc6/0x1e0 [ 6400.792202][ T74] [ 6400.794149][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6400.794149][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6400.794149][ T74] ipv6_find_idev+0x102/0x170 [ 6400.794149][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6400.794149][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6400.794149][ T74] netlink_rcv_skb+0x130/0x360 [ 6400.794149][ T74] netlink_unicast+0x449/0x710 [ 6400.794149][ T74] netlink_sendmsg+0x723/0xbe0 [ 6400.794149][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6400.794149][ T74] ___sys_sendmsg+0xee/0x170 [ 6400.794149][ T74] __sys_sendmsg+0xcd/0x170 [ 6400.794149][ T74] do_syscall_64+0xc6/0x1e0 [ 6400.794149][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6400.794149][ T74] [ 6400.795679][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6400.795679][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6400.795679][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6400.795679][ T74] ipv6_find_idev+0x102/0x170 [ 6400.795679][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6400.795679][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6400.795679][ T74] netlink_rcv_skb+0x130/0x360 [ 6400.795679][ T74] netlink_unicast+0x449/0x710 [ 6400.795679][ T74] netlink_sendmsg+0x723/0xbe0 [ 6400.795679][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6400.795679][ T74] ___sys_sendmsg+0xee/0x170 [ 6400.795679][ T74] __sys_sendmsg+0xcd/0x170 [ 6400.795679][ T74] do_syscall_64+0xc6/0x1e0 [ 6400.795679][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6400.795679][ T74] [ 6400.797345][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6400.797612][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6400.797612][ T74] dst_init+0x84/0x4a0 [ 6400.797612][ T74] dst_alloc+0x97/0x150 [ 6400.797612][ T74] ip6_dst_alloc+0x23/0x90 [ 6400.797612][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6400.797612][ T74] ip6_pol_route+0x56f/0x840 [ 6400.797612][ T74] fib6_rule_lookup+0x456/0x630 [ 6400.797612][ T74] ip6_route_input+0x59c/0xa50 [ 6400.797612][ T74] ipv6_rcv+0x397/0x810 [ 6400.797612][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6400.797612][ T74] process_backlog+0x101/0x620 [ 6400.797612][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6400.797612][ T74] net_rx_action+0x495/0xbe0 [ 6400.797612][ T74] __do_softirq+0x1b5/0x7f6 [ 6400.797612][ T74] [ 6400.799246][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6400.799246][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6400.799246][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6400.799246][ T74] fib6_nh_init+0xa22/0x1580 [ 6400.799246][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6400.799246][ T74] ip6_route_add+0x1c/0x140 [ 6400.799246][ T74] inet6_rtm_newroute+0x104/0x110 [ 6400.799246][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6400.799246][ T74] netlink_rcv_skb+0x130/0x360 [ 6400.799246][ T74] netlink_unicast+0x449/0x710 [ 6400.799246][ T74] netlink_sendmsg+0x723/0xbe0 [ 6400.799246][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6400.799246][ T74] ___sys_sendmsg+0xee/0x170 [ 6400.799246][ T74] __sys_sendmsg+0xcd/0x170 [ 6400.799246][ T74] do_syscall_64+0xc6/0x1e0 [ 6400.799246][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6400.799246][ T74] [ 6400.801123][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6400.801123][ T74] netdev_get_by_index+0x5e/0x80 [ 6400.801123][ T74] fib6_nh_init+0x3d8/0x1580 [ 6400.801123][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6400.801123][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6400.801123][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6400.801123][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6400.801123][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6400.801123][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6400.801123][ T74] addrconf_dad_begin+0x310/0x670 [ 6400.801123][ T74] addrconf_dad_work+0x10b/0xab0 [ 6400.801123][ T74] process_one_work+0x84d/0x18a0 [ 6400.801123][ T74] worker_thread+0x587/0xd30 [ 6400.801123][ T74] kthread+0x28a/0x350 [ 6400.801123][ T74] ret_from_fork+0x31/0x70 [ 6400.801123][ T74] ret_from_fork_asm+0x1a/0x30 [ 6400.801123][ T74] [ 6400.803024][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6400.803024][ T74] netdev_get_by_index+0x5e/0x80 [ 6400.803024][ T74] fib6_nh_init+0x3d8/0x1580 [ 6400.803024][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6400.803024][ T74] ip6_route_add+0x1c/0x140 [ 6400.803024][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6400.803024][ T74] inet6_addr_add+0x4f8/0xa40 [ 6400.803024][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6400.803024][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6400.803024][ T74] netlink_rcv_skb+0x130/0x360 [ 6400.803024][ T74] netlink_unicast+0x449/0x710 [ 6400.803024][ T74] netlink_sendmsg+0x723/0xbe0 [ 6400.803024][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6400.803024][ T74] ___sys_sendmsg+0xee/0x170 [ 6400.803024][ T74] __sys_sendmsg+0xcd/0x170 [ 6400.803024][ T74] do_syscall_64+0xc6/0x1e0 [ 6400.803024][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6400.803024][ T74] [ 6400.805012][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6400.805012][ T74] netdev_get_by_index+0x5e/0x80 [ 6400.805012][ T74] fib6_nh_init+0x3d8/0x1580 [ 6400.805012][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6400.805012][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6400.805012][ T74] ipv6_add_addr+0x411/0x2000 [ 6400.805012][ T74] inet6_addr_add+0x30e/0xa40 [ 6400.805012][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6400.805012][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6400.805012][ T74] netlink_rcv_skb+0x130/0x360 [ 6400.805012][ T74] netlink_unicast+0x449/0x710 [ 6400.805012][ T74] netlink_sendmsg+0x723/0xbe0 [ 6400.805012][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6400.805012][ T74] ___sys_sendmsg+0xee/0x170 [ 6400.805012][ T74] __sys_sendmsg+0xcd/0x170 [ 6400.805012][ T74] do_syscall_64+0xc6/0x1e0 [ 6400.805012][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6400.805012][ T74] [ 6400.806995][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6400.806995][ T74] netdev_get_by_index+0x5e/0x80 [ 6400.806995][ T74] fib6_nh_init+0x3d8/0x1580 [ 6400.806995][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6400.806995][ T74] ip6_route_add+0x1c/0x140 [ 6400.806995][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6400.806995][ T74] addrconf_add_dev+0xe2/0x170 [ 6400.806995][ T74] inet6_addr_add+0x12f/0xa40 [ 6400.806995][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6400.806995][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6400.806995][ T74] netlink_rcv_skb+0x130/0x360 [ 6400.806995][ T74] netlink_unicast+0x449/0x710 [ 6400.806995][ T74] netlink_sendmsg+0x723/0xbe0 [ 6400.806995][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6400.806995][ T74] ___sys_sendmsg+0xee/0x170 [ 6400.806995][ T74] __sys_sendmsg+0xcd/0x170 [ 6400.806995][ T74] do_syscall_64+0xc6/0x1e0 [ 6400.806995][ T74] [ 6400.808945][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6400.808945][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6400.808945][ T74] ipv6_find_idev+0x102/0x170 [ 6400.808945][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6400.808945][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6400.808945][ T74] netlink_rcv_skb+0x130/0x360 [ 6400.808945][ T74] netlink_unicast+0x449/0x710 [ 6400.808945][ T74] netlink_sendmsg+0x723/0xbe0 [ 6400.808945][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6400.808945][ T74] ___sys_sendmsg+0xee/0x170 [ 6400.808945][ T74] __sys_sendmsg+0xcd/0x170 [ 6400.808945][ T74] do_syscall_64+0xc6/0x1e0 [ 6400.808945][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6400.808945][ T74] [ 6400.810536][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6400.810536][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6400.810536][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6400.810536][ T74] ipv6_find_idev+0x102/0x170 [ 6400.810536][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6400.810536][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6400.810536][ T74] netlink_rcv_skb+0x130/0x360 [ 6400.810536][ T74] netlink_unicast+0x449/0x710 [ 6400.810536][ T74] netlink_sendmsg+0x723/0xbe0 [ 6400.810536][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6400.810536][ T74] ___sys_sendmsg+0xee/0x170 [ 6400.810536][ T74] __sys_sendmsg+0xcd/0x170 [ 6400.810536][ T74] do_syscall_64+0xc6/0x1e0 [ 6400.810536][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6400.810536][ T74] [ 6400.812450][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6400.812743][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6400.812743][ T74] netdev_get_by_index+0x5e/0x80 [ 6400.812743][ T74] fib6_nh_init+0x3d8/0x1580 [ 6400.812743][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6400.812743][ T74] ip6_route_add+0x1c/0x140 [ 6400.812743][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6400.812743][ T74] inet6_addr_add+0x4f8/0xa40 [ 6400.812743][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6400.812743][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6400.812743][ T74] netlink_rcv_skb+0x130/0x360 [ 6400.812743][ T74] netlink_unicast+0x449/0x710 [ 6400.812743][ T74] netlink_sendmsg+0x723/0xbe0 [ 6400.812743][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6400.812743][ T74] ___sys_sendmsg+0xee/0x170 [ 6400.812743][ T74] __sys_sendmsg+0xcd/0x170 [ 6400.812743][ T74] do_syscall_64+0xc6/0x1e0 [ 6400.812743][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6400.812743][ T74] [ 6400.814912][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6400.814912][ T74] netdev_get_by_index+0x5e/0x80 [ 6400.814912][ T74] fib6_nh_init+0x3d8/0x1580 [ 6400.814912][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6400.814912][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6400.814912][ T74] ipv6_add_addr+0x411/0x2000 [ 6400.814912][ T74] inet6_addr_add+0x30e/0xa40 [ 6400.814912][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6400.814912][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6400.814912][ T74] netlink_rcv_skb+0x130/0x360 [ 6400.814912][ T74] netlink_unicast+0x449/0x710 [ 6400.814912][ T74] netlink_sendmsg+0x723/0xbe0 [ 6400.814912][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6400.814912][ T74] ___sys_sendmsg+0xee/0x170 [ 6400.814912][ T74] __sys_sendmsg+0xcd/0x170 [ 6400.814912][ T74] do_syscall_64+0xc6/0x1e0 [ 6400.814912][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6400.814912][ T74] [ 6400.817140][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6400.817140][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6400.817140][ T74] ipv6_find_idev+0x102/0x170 [ 6400.817140][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6400.817140][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6400.817140][ T74] netlink_rcv_skb+0x130/0x360 [ 6400.817140][ T74] netlink_unicast+0x449/0x710 [ 6400.817140][ T74] netlink_sendmsg+0x723/0xbe0 [ 6400.817140][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6400.817140][ T74] ___sys_sendmsg+0xee/0x170 [ 6400.817140][ T74] __sys_sendmsg+0xcd/0x170 [ 6400.817140][ T74] do_syscall_64+0xc6/0x1e0 [ 6400.817140][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6400.817140][ T74] [ 6400.818803][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6400.818803][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6400.818803][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6400.818803][ T74] ipv6_find_idev+0x102/0x170 [ 6400.818803][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6400.818803][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6400.818803][ T74] netlink_rcv_skb+0x130/0x360 [ 6400.818803][ T74] netlink_unicast+0x449/0x710 [ 6400.818803][ T74] netlink_sendmsg+0x723/0xbe0 [ 6400.818803][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6400.818803][ T74] ___sys_sendmsg+0xee/0x170 [ 6400.818803][ T74] __sys_sendmsg+0xcd/0x170 [ 6400.818803][ T74] do_syscall_64+0xc6/0x1e0 [ 6400.818803][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6400.818803][ T74] [ 6411.055956][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6411.056373][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6411.056373][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6411.056373][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6411.056373][ T74] fib6_nh_init+0xa22/0x1580 [ 6411.056373][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6411.056373][ T74] ip6_route_add+0x1c/0x140 [ 6411.056373][ T74] inet6_rtm_newroute+0x104/0x110 [ 6411.056373][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6411.056373][ T74] netlink_rcv_skb+0x130/0x360 [ 6411.056373][ T74] netlink_unicast+0x449/0x710 [ 6411.056373][ T74] netlink_sendmsg+0x723/0xbe0 [ 6411.056373][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6411.056373][ T74] ___sys_sendmsg+0xee/0x170 [ 6411.056373][ T74] __sys_sendmsg+0xcd/0x170 [ 6411.056373][ T74] do_syscall_64+0xc6/0x1e0 [ 6411.056373][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6411.056373][ T74] [ 6411.058266][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6411.058266][ T74] netdev_get_by_index+0x5e/0x80 [ 6411.058266][ T74] fib6_nh_init+0x3d8/0x1580 [ 6411.058266][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6411.058266][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6411.058266][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6411.058266][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6411.058266][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6411.058266][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6411.058266][ T74] addrconf_dad_begin+0x310/0x670 [ 6411.058266][ T74] addrconf_dad_work+0x10b/0xab0 [ 6411.058266][ T74] process_one_work+0x84d/0x18a0 [ 6411.058266][ T74] worker_thread+0x587/0xd30 [ 6411.058266][ T74] kthread+0x28a/0x350 [ 6411.058266][ T74] ret_from_fork+0x31/0x70 [ 6411.058266][ T74] ret_from_fork_asm+0x1a/0x30 [ 6411.058266][ T74] [ 6411.060181][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6411.060181][ T74] netdev_get_by_index+0x5e/0x80 [ 6411.060181][ T74] fib6_nh_init+0x3d8/0x1580 [ 6411.060181][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6411.060181][ T74] ip6_route_add+0x1c/0x140 [ 6411.060181][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6411.060181][ T74] inet6_addr_add+0x4f8/0xa40 [ 6411.060181][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6411.060181][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6411.060181][ T74] netlink_rcv_skb+0x130/0x360 [ 6411.060181][ T74] netlink_unicast+0x449/0x710 [ 6411.060181][ T74] netlink_sendmsg+0x723/0xbe0 [ 6411.060181][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6411.060181][ T74] ___sys_sendmsg+0xee/0x170 [ 6411.060181][ T74] __sys_sendmsg+0xcd/0x170 [ 6411.060181][ T74] do_syscall_64+0xc6/0x1e0 [ 6411.060181][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6411.060181][ T74] [ 6411.062182][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6411.062182][ T74] netdev_get_by_index+0x5e/0x80 [ 6411.062182][ T74] fib6_nh_init+0x3d8/0x1580 [ 6411.062182][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6411.062182][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6411.062182][ T74] ipv6_add_addr+0x411/0x2000 [ 6411.062182][ T74] inet6_addr_add+0x30e/0xa40 [ 6411.062182][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6411.062182][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6411.062182][ T74] netlink_rcv_skb+0x130/0x360 [ 6411.062182][ T74] netlink_unicast+0x449/0x710 [ 6411.062182][ T74] netlink_sendmsg+0x723/0xbe0 [ 6411.062182][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6411.062182][ T74] ___sys_sendmsg+0xee/0x170 [ 6411.062182][ T74] __sys_sendmsg+0xcd/0x170 [ 6411.062182][ T74] do_syscall_64+0xc6/0x1e0 [ 6411.062182][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6411.062182][ T74] [ 6411.064168][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6411.064168][ T74] netdev_get_by_index+0x5e/0x80 [ 6411.064168][ T74] fib6_nh_init+0x3d8/0x1580 [ 6411.064168][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6411.064168][ T74] ip6_route_add+0x1c/0x140 [ 6411.064168][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6411.064168][ T74] addrconf_add_dev+0xe2/0x170 [ 6411.064168][ T74] inet6_addr_add+0x12f/0xa40 [ 6411.064168][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6411.064168][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6411.064168][ T74] netlink_rcv_skb+0x130/0x360 [ 6411.064168][ T74] netlink_unicast+0x449/0x710 [ 6411.064168][ T74] netlink_sendmsg+0x723/0xbe0 [ 6411.064168][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6411.064168][ T74] ___sys_sendmsg+0xee/0x170 [ 6411.064168][ T74] __sys_sendmsg+0xcd/0x170 [ 6411.064168][ T74] do_syscall_64+0xc6/0x1e0 [ 6411.064168][ T74] [ 6411.066125][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6411.066125][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6411.066125][ T74] ipv6_find_idev+0x102/0x170 [ 6411.066125][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6411.066125][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6411.066125][ T74] netlink_rcv_skb+0x130/0x360 [ 6411.066125][ T74] netlink_unicast+0x449/0x710 [ 6411.066125][ T74] netlink_sendmsg+0x723/0xbe0 [ 6411.066125][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6411.066125][ T74] ___sys_sendmsg+0xee/0x170 [ 6411.066125][ T74] __sys_sendmsg+0xcd/0x170 [ 6411.066125][ T74] do_syscall_64+0xc6/0x1e0 [ 6411.066125][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6411.066125][ T74] [ 6411.067660][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6411.067660][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6411.067660][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6411.067660][ T74] ipv6_find_idev+0x102/0x170 [ 6411.067660][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6411.067660][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6411.067660][ T74] netlink_rcv_skb+0x130/0x360 [ 6411.067660][ T74] netlink_unicast+0x449/0x710 [ 6411.067660][ T74] netlink_sendmsg+0x723/0xbe0 [ 6411.067660][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6411.067660][ T74] ___sys_sendmsg+0xee/0x170 [ 6411.067660][ T74] __sys_sendmsg+0xcd/0x170 [ 6411.067660][ T74] do_syscall_64+0xc6/0x1e0 [ 6411.067660][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6411.067660][ T74] [ 6411.069352][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6411.069624][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6411.069624][ T74] dst_init+0x84/0x4a0 [ 6411.069624][ T74] dst_alloc+0x97/0x150 [ 6411.069624][ T74] ip6_dst_alloc+0x23/0x90 [ 6411.069624][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6411.069624][ T74] ip6_pol_route+0x56f/0x840 [ 6411.069624][ T74] fib6_rule_lookup+0x456/0x630 [ 6411.069624][ T74] ip6_route_input+0x59c/0xa50 [ 6411.069624][ T74] ipv6_rcv+0x397/0x810 [ 6411.069624][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6411.069624][ T74] process_backlog+0x101/0x620 [ 6411.069624][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6411.069624][ T74] net_rx_action+0x495/0xbe0 [ 6411.069624][ T74] __do_softirq+0x1b5/0x7f6 [ 6411.069624][ T74] [ 6411.071250][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6411.071250][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6411.071250][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6411.071250][ T74] fib6_nh_init+0xa22/0x1580 [ 6411.071250][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6411.071250][ T74] ip6_route_add+0x1c/0x140 [ 6411.071250][ T74] inet6_rtm_newroute+0x104/0x110 [ 6411.071250][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6411.071250][ T74] netlink_rcv_skb+0x130/0x360 [ 6411.071250][ T74] netlink_unicast+0x449/0x710 [ 6411.071250][ T74] netlink_sendmsg+0x723/0xbe0 [ 6411.071250][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6411.071250][ T74] ___sys_sendmsg+0xee/0x170 [ 6411.071250][ T74] __sys_sendmsg+0xcd/0x170 [ 6411.071250][ T74] do_syscall_64+0xc6/0x1e0 [ 6411.071250][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6411.071250][ T74] [ 6411.073114][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6411.073114][ T74] netdev_get_by_index+0x5e/0x80 [ 6411.073114][ T74] fib6_nh_init+0x3d8/0x1580 [ 6411.073114][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6411.073114][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6411.073114][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6411.073114][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6411.073114][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6411.073114][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6411.073114][ T74] addrconf_dad_begin+0x310/0x670 [ 6411.073114][ T74] addrconf_dad_work+0x10b/0xab0 [ 6411.073114][ T74] process_one_work+0x84d/0x18a0 [ 6411.073114][ T74] worker_thread+0x587/0xd30 [ 6411.073114][ T74] kthread+0x28a/0x350 [ 6411.073114][ T74] ret_from_fork+0x31/0x70 [ 6411.073114][ T74] ret_from_fork_asm+0x1a/0x30 [ 6411.073114][ T74] [ 6411.075017][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6411.075017][ T74] netdev_get_by_index+0x5e/0x80 [ 6411.075017][ T74] fib6_nh_init+0x3d8/0x1580 [ 6411.075017][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6411.075017][ T74] ip6_route_add+0x1c/0x140 [ 6411.075017][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6411.075017][ T74] inet6_addr_add+0x4f8/0xa40 [ 6411.075017][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6411.075017][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6411.075017][ T74] netlink_rcv_skb+0x130/0x360 [ 6411.075017][ T74] netlink_unicast+0x449/0x710 [ 6411.075017][ T74] netlink_sendmsg+0x723/0xbe0 [ 6411.075017][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6411.075017][ T74] ___sys_sendmsg+0xee/0x170 [ 6411.075017][ T74] __sys_sendmsg+0xcd/0x170 [ 6411.075017][ T74] do_syscall_64+0xc6/0x1e0 [ 6411.075017][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6411.075017][ T74] [ 6411.077003][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6411.077003][ T74] netdev_get_by_index+0x5e/0x80 [ 6411.077003][ T74] fib6_nh_init+0x3d8/0x1580 [ 6411.077003][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6411.077003][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6411.077003][ T74] ipv6_add_addr+0x411/0x2000 [ 6411.077003][ T74] inet6_addr_add+0x30e/0xa40 [ 6411.077003][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6411.077003][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6411.077003][ T74] netlink_rcv_skb+0x130/0x360 [ 6411.077003][ T74] netlink_unicast+0x449/0x710 [ 6411.077003][ T74] netlink_sendmsg+0x723/0xbe0 [ 6411.077003][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6411.077003][ T74] ___sys_sendmsg+0xee/0x170 [ 6411.077003][ T74] __sys_sendmsg+0xcd/0x170 [ 6411.077003][ T74] do_syscall_64+0xc6/0x1e0 [ 6411.077003][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6411.077003][ T74] [ 6411.078991][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6411.078991][ T74] netdev_get_by_index+0x5e/0x80 [ 6411.078991][ T74] fib6_nh_init+0x3d8/0x1580 [ 6411.078991][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6411.078991][ T74] ip6_route_add+0x1c/0x140 [ 6411.078991][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6411.078991][ T74] addrconf_add_dev+0xe2/0x170 [ 6411.078991][ T74] inet6_addr_add+0x12f/0xa40 [ 6411.078991][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6411.078991][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6411.078991][ T74] netlink_rcv_skb+0x130/0x360 [ 6411.078991][ T74] netlink_unicast+0x449/0x710 [ 6411.078991][ T74] netlink_sendmsg+0x723/0xbe0 [ 6411.078991][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6411.078991][ T74] ___sys_sendmsg+0xee/0x170 [ 6411.078991][ T74] __sys_sendmsg+0xcd/0x170 [ 6411.078991][ T74] do_syscall_64+0xc6/0x1e0 [ 6411.078991][ T74] [ 6411.080941][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6411.080941][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6411.080941][ T74] ipv6_find_idev+0x102/0x170 [ 6411.080941][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6411.080941][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6411.080941][ T74] netlink_rcv_skb+0x130/0x360 [ 6411.080941][ T74] netlink_unicast+0x449/0x710 [ 6411.080941][ T74] netlink_sendmsg+0x723/0xbe0 [ 6411.080941][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6411.080941][ T74] ___sys_sendmsg+0xee/0x170 [ 6411.080941][ T74] __sys_sendmsg+0xcd/0x170 [ 6411.080941][ T74] do_syscall_64+0xc6/0x1e0 [ 6411.080941][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6411.080941][ T74] [ 6411.082594][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6411.082594][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6411.082594][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6411.082594][ T74] ipv6_find_idev+0x102/0x170 [ 6411.082594][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6411.082594][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6411.082594][ T74] netlink_rcv_skb+0x130/0x360 [ 6411.082594][ T74] netlink_unicast+0x449/0x710 [ 6411.082594][ T74] netlink_sendmsg+0x723/0xbe0 [ 6411.082594][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6411.082594][ T74] ___sys_sendmsg+0xee/0x170 [ 6411.082594][ T74] __sys_sendmsg+0xcd/0x170 [ 6411.082594][ T74] do_syscall_64+0xc6/0x1e0 [ 6411.082594][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6411.082594][ T74] [ 6411.084447][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6411.084759][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6411.084759][ T74] netdev_get_by_index+0x5e/0x80 [ 6411.084759][ T74] fib6_nh_init+0x3d8/0x1580 [ 6411.084759][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6411.084759][ T74] ip6_route_add+0x1c/0x140 [ 6411.084759][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6411.084759][ T74] inet6_addr_add+0x4f8/0xa40 [ 6411.084759][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6411.084759][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6411.084759][ T74] netlink_rcv_skb+0x130/0x360 [ 6411.084759][ T74] netlink_unicast+0x449/0x710 [ 6411.084759][ T74] netlink_sendmsg+0x723/0xbe0 [ 6411.084759][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6411.084759][ T74] ___sys_sendmsg+0xee/0x170 [ 6411.084759][ T74] __sys_sendmsg+0xcd/0x170 [ 6411.084759][ T74] do_syscall_64+0xc6/0x1e0 [ 6411.084759][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6411.084759][ T74] [ 6411.086876][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6411.086876][ T74] netdev_get_by_index+0x5e/0x80 [ 6411.086876][ T74] fib6_nh_init+0x3d8/0x1580 [ 6411.086876][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6411.086876][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6411.086876][ T74] ipv6_add_addr+0x411/0x2000 [ 6411.086876][ T74] inet6_addr_add+0x30e/0xa40 [ 6411.086876][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6411.086876][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6411.086876][ T74] netlink_rcv_skb+0x130/0x360 [ 6411.086876][ T74] netlink_unicast+0x449/0x710 [ 6411.086876][ T74] netlink_sendmsg+0x723/0xbe0 [ 6411.086876][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6411.086876][ T74] ___sys_sendmsg+0xee/0x170 [ 6411.086876][ T74] __sys_sendmsg+0xcd/0x170 [ 6411.086876][ T74] do_syscall_64+0xc6/0x1e0 [ 6411.086876][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6411.086876][ T74] [ 6411.089166][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6411.089166][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6411.089166][ T74] ipv6_find_idev+0x102/0x170 [ 6411.089166][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6411.089166][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6411.089166][ T74] netlink_rcv_skb+0x130/0x360 [ 6411.089166][ T74] netlink_unicast+0x449/0x710 [ 6411.089166][ T74] netlink_sendmsg+0x723/0xbe0 [ 6411.089166][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6411.089166][ T74] ___sys_sendmsg+0xee/0x170 [ 6411.089166][ T74] __sys_sendmsg+0xcd/0x170 [ 6411.089166][ T74] do_syscall_64+0xc6/0x1e0 [ 6411.089166][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6411.089166][ T74] [ 6411.090825][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6411.090825][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6411.090825][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6411.090825][ T74] ipv6_find_idev+0x102/0x170 [ 6411.090825][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6411.090825][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6411.090825][ T74] netlink_rcv_skb+0x130/0x360 [ 6411.090825][ T74] netlink_unicast+0x449/0x710 [ 6411.090825][ T74] netlink_sendmsg+0x723/0xbe0 [ 6411.090825][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6411.090825][ T74] ___sys_sendmsg+0xee/0x170 [ 6411.090825][ T74] __sys_sendmsg+0xcd/0x170 [ 6411.090825][ T74] do_syscall_64+0xc6/0x1e0 [ 6411.090825][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6411.090825][ T74] [ 6421.327951][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6421.328380][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6421.328380][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6421.328380][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6421.328380][ T74] fib6_nh_init+0xa22/0x1580 [ 6421.328380][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6421.328380][ T74] ip6_route_add+0x1c/0x140 [ 6421.328380][ T74] inet6_rtm_newroute+0x104/0x110 [ 6421.328380][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6421.328380][ T74] netlink_rcv_skb+0x130/0x360 [ 6421.328380][ T74] netlink_unicast+0x449/0x710 [ 6421.328380][ T74] netlink_sendmsg+0x723/0xbe0 [ 6421.328380][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6421.328380][ T74] ___sys_sendmsg+0xee/0x170 [ 6421.328380][ T74] __sys_sendmsg+0xcd/0x170 [ 6421.328380][ T74] do_syscall_64+0xc6/0x1e0 [ 6421.328380][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6421.328380][ T74] [ 6421.330266][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6421.330266][ T74] netdev_get_by_index+0x5e/0x80 [ 6421.330266][ T74] fib6_nh_init+0x3d8/0x1580 [ 6421.330266][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6421.330266][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6421.330266][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6421.330266][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6421.330266][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6421.330266][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6421.330266][ T74] addrconf_dad_begin+0x310/0x670 [ 6421.330266][ T74] addrconf_dad_work+0x10b/0xab0 [ 6421.330266][ T74] process_one_work+0x84d/0x18a0 [ 6421.330266][ T74] worker_thread+0x587/0xd30 [ 6421.330266][ T74] kthread+0x28a/0x350 [ 6421.330266][ T74] ret_from_fork+0x31/0x70 [ 6421.330266][ T74] ret_from_fork_asm+0x1a/0x30 [ 6421.330266][ T74] [ 6421.332177][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6421.332177][ T74] netdev_get_by_index+0x5e/0x80 [ 6421.332177][ T74] fib6_nh_init+0x3d8/0x1580 [ 6421.332177][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6421.332177][ T74] ip6_route_add+0x1c/0x140 [ 6421.332177][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6421.332177][ T74] inet6_addr_add+0x4f8/0xa40 [ 6421.332177][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6421.332177][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6421.332177][ T74] netlink_rcv_skb+0x130/0x360 [ 6421.332177][ T74] netlink_unicast+0x449/0x710 [ 6421.332177][ T74] netlink_sendmsg+0x723/0xbe0 [ 6421.332177][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6421.332177][ T74] ___sys_sendmsg+0xee/0x170 [ 6421.332177][ T74] __sys_sendmsg+0xcd/0x170 [ 6421.332177][ T74] do_syscall_64+0xc6/0x1e0 [ 6421.332177][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6421.332177][ T74] [ 6421.334182][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6421.334182][ T74] netdev_get_by_index+0x5e/0x80 [ 6421.334182][ T74] fib6_nh_init+0x3d8/0x1580 [ 6421.334182][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6421.334182][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6421.334182][ T74] ipv6_add_addr+0x411/0x2000 [ 6421.334182][ T74] inet6_addr_add+0x30e/0xa40 [ 6421.334182][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6421.334182][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6421.334182][ T74] netlink_rcv_skb+0x130/0x360 [ 6421.334182][ T74] netlink_unicast+0x449/0x710 [ 6421.334182][ T74] netlink_sendmsg+0x723/0xbe0 [ 6421.334182][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6421.334182][ T74] ___sys_sendmsg+0xee/0x170 [ 6421.334182][ T74] __sys_sendmsg+0xcd/0x170 [ 6421.334182][ T74] do_syscall_64+0xc6/0x1e0 [ 6421.334182][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6421.334182][ T74] [ 6421.336169][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6421.336169][ T74] netdev_get_by_index+0x5e/0x80 [ 6421.336169][ T74] fib6_nh_init+0x3d8/0x1580 [ 6421.336169][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6421.336169][ T74] ip6_route_add+0x1c/0x140 [ 6421.336169][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6421.336169][ T74] addrconf_add_dev+0xe2/0x170 [ 6421.336169][ T74] inet6_addr_add+0x12f/0xa40 [ 6421.336169][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6421.336169][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6421.336169][ T74] netlink_rcv_skb+0x130/0x360 [ 6421.336169][ T74] netlink_unicast+0x449/0x710 [ 6421.336169][ T74] netlink_sendmsg+0x723/0xbe0 [ 6421.336169][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6421.336169][ T74] ___sys_sendmsg+0xee/0x170 [ 6421.336169][ T74] __sys_sendmsg+0xcd/0x170 [ 6421.336169][ T74] do_syscall_64+0xc6/0x1e0 [ 6421.336169][ T74] [ 6421.338124][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6421.338124][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6421.338124][ T74] ipv6_find_idev+0x102/0x170 [ 6421.338124][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6421.338124][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6421.338124][ T74] netlink_rcv_skb+0x130/0x360 [ 6421.338124][ T74] netlink_unicast+0x449/0x710 [ 6421.338124][ T74] netlink_sendmsg+0x723/0xbe0 [ 6421.338124][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6421.338124][ T74] ___sys_sendmsg+0xee/0x170 [ 6421.338124][ T74] __sys_sendmsg+0xcd/0x170 [ 6421.338124][ T74] do_syscall_64+0xc6/0x1e0 [ 6421.338124][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6421.338124][ T74] [ 6421.339684][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6421.339684][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6421.339684][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6421.339684][ T74] ipv6_find_idev+0x102/0x170 [ 6421.339684][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6421.339684][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6421.339684][ T74] netlink_rcv_skb+0x130/0x360 [ 6421.339684][ T74] netlink_unicast+0x449/0x710 [ 6421.339684][ T74] netlink_sendmsg+0x723/0xbe0 [ 6421.339684][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6421.339684][ T74] ___sys_sendmsg+0xee/0x170 [ 6421.339684][ T74] __sys_sendmsg+0xcd/0x170 [ 6421.339684][ T74] do_syscall_64+0xc6/0x1e0 [ 6421.339684][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6421.339684][ T74] [ 6421.341358][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6421.341624][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6421.341624][ T74] dst_init+0x84/0x4a0 [ 6421.341624][ T74] dst_alloc+0x97/0x150 [ 6421.341624][ T74] ip6_dst_alloc+0x23/0x90 [ 6421.341624][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6421.341624][ T74] ip6_pol_route+0x56f/0x840 [ 6421.341624][ T74] fib6_rule_lookup+0x456/0x630 [ 6421.341624][ T74] ip6_route_input+0x59c/0xa50 [ 6421.341624][ T74] ipv6_rcv+0x397/0x810 [ 6421.341624][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6421.341624][ T74] process_backlog+0x101/0x620 [ 6421.341624][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6421.341624][ T74] net_rx_action+0x495/0xbe0 [ 6421.341624][ T74] __do_softirq+0x1b5/0x7f6 [ 6421.341624][ T74] [ 6421.343251][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6421.343251][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6421.343251][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6421.343251][ T74] fib6_nh_init+0xa22/0x1580 [ 6421.343251][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6421.343251][ T74] ip6_route_add+0x1c/0x140 [ 6421.343251][ T74] inet6_rtm_newroute+0x104/0x110 [ 6421.343251][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6421.343251][ T74] netlink_rcv_skb+0x130/0x360 [ 6421.343251][ T74] netlink_unicast+0x449/0x710 [ 6421.343251][ T74] netlink_sendmsg+0x723/0xbe0 [ 6421.343251][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6421.343251][ T74] ___sys_sendmsg+0xee/0x170 [ 6421.343251][ T74] __sys_sendmsg+0xcd/0x170 [ 6421.343251][ T74] do_syscall_64+0xc6/0x1e0 [ 6421.343251][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6421.343251][ T74] [ 6421.345136][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6421.345136][ T74] netdev_get_by_index+0x5e/0x80 [ 6421.345136][ T74] fib6_nh_init+0x3d8/0x1580 [ 6421.345136][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6421.345136][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6421.345136][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6421.345136][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6421.345136][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6421.345136][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6421.345136][ T74] addrconf_dad_begin+0x310/0x670 [ 6421.345136][ T74] addrconf_dad_work+0x10b/0xab0 [ 6421.345136][ T74] process_one_work+0x84d/0x18a0 [ 6421.345136][ T74] worker_thread+0x587/0xd30 [ 6421.345136][ T74] kthread+0x28a/0x350 [ 6421.345136][ T74] ret_from_fork+0x31/0x70 [ 6421.345136][ T74] ret_from_fork_asm+0x1a/0x30 [ 6421.345136][ T74] [ 6421.347034][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6421.347034][ T74] netdev_get_by_index+0x5e/0x80 [ 6421.347034][ T74] fib6_nh_init+0x3d8/0x1580 [ 6421.347034][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6421.347034][ T74] ip6_route_add+0x1c/0x140 [ 6421.347034][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6421.347034][ T74] inet6_addr_add+0x4f8/0xa40 [ 6421.347034][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6421.347034][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6421.347034][ T74] netlink_rcv_skb+0x130/0x360 [ 6421.347034][ T74] netlink_unicast+0x449/0x710 [ 6421.347034][ T74] netlink_sendmsg+0x723/0xbe0 [ 6421.347034][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6421.347034][ T74] ___sys_sendmsg+0xee/0x170 [ 6421.347034][ T74] __sys_sendmsg+0xcd/0x170 [ 6421.347034][ T74] do_syscall_64+0xc6/0x1e0 [ 6421.347034][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6421.347034][ T74] [ 6421.349031][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6421.349031][ T74] netdev_get_by_index+0x5e/0x80 [ 6421.349031][ T74] fib6_nh_init+0x3d8/0x1580 [ 6421.349031][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6421.349031][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6421.349031][ T74] ipv6_add_addr+0x411/0x2000 [ 6421.349031][ T74] inet6_addr_add+0x30e/0xa40 [ 6421.349031][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6421.349031][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6421.349031][ T74] netlink_rcv_skb+0x130/0x360 [ 6421.349031][ T74] netlink_unicast+0x449/0x710 [ 6421.349031][ T74] netlink_sendmsg+0x723/0xbe0 [ 6421.349031][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6421.349031][ T74] ___sys_sendmsg+0xee/0x170 [ 6421.349031][ T74] __sys_sendmsg+0xcd/0x170 [ 6421.349031][ T74] do_syscall_64+0xc6/0x1e0 [ 6421.349031][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6421.349031][ T74] [ 6421.351019][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6421.351019][ T74] netdev_get_by_index+0x5e/0x80 [ 6421.351019][ T74] fib6_nh_init+0x3d8/0x1580 [ 6421.351019][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6421.351019][ T74] ip6_route_add+0x1c/0x140 [ 6421.351019][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6421.351019][ T74] addrconf_add_dev+0xe2/0x170 [ 6421.351019][ T74] inet6_addr_add+0x12f/0xa40 [ 6421.351019][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6421.351019][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6421.351019][ T74] netlink_rcv_skb+0x130/0x360 [ 6421.351019][ T74] netlink_unicast+0x449/0x710 [ 6421.351019][ T74] netlink_sendmsg+0x723/0xbe0 [ 6421.351019][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6421.351019][ T74] ___sys_sendmsg+0xee/0x170 [ 6421.351019][ T74] __sys_sendmsg+0xcd/0x170 [ 6421.351019][ T74] do_syscall_64+0xc6/0x1e0 [ 6421.351019][ T74] [ 6421.352974][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6421.352974][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6421.352974][ T74] ipv6_find_idev+0x102/0x170 [ 6421.352974][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6421.352974][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6421.352974][ T74] netlink_rcv_skb+0x130/0x360 [ 6421.352974][ T74] netlink_unicast+0x449/0x710 [ 6421.352974][ T74] netlink_sendmsg+0x723/0xbe0 [ 6421.352974][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6421.352974][ T74] ___sys_sendmsg+0xee/0x170 [ 6421.352974][ T74] __sys_sendmsg+0xcd/0x170 [ 6421.352974][ T74] do_syscall_64+0xc6/0x1e0 [ 6421.352974][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6421.352974][ T74] [ 6421.354626][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6421.354626][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6421.354626][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6421.354626][ T74] ipv6_find_idev+0x102/0x170 [ 6421.354626][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6421.354626][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6421.354626][ T74] netlink_rcv_skb+0x130/0x360 [ 6421.354626][ T74] netlink_unicast+0x449/0x710 [ 6421.354626][ T74] netlink_sendmsg+0x723/0xbe0 [ 6421.354626][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6421.354626][ T74] ___sys_sendmsg+0xee/0x170 [ 6421.354626][ T74] __sys_sendmsg+0xcd/0x170 [ 6421.354626][ T74] do_syscall_64+0xc6/0x1e0 [ 6421.354626][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6421.354626][ T74] [ 6421.356476][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6421.356785][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6421.356785][ T74] netdev_get_by_index+0x5e/0x80 [ 6421.356785][ T74] fib6_nh_init+0x3d8/0x1580 [ 6421.356785][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6421.356785][ T74] ip6_route_add+0x1c/0x140 [ 6421.356785][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6421.356785][ T74] inet6_addr_add+0x4f8/0xa40 [ 6421.356785][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6421.356785][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6421.356785][ T74] netlink_rcv_skb+0x130/0x360 [ 6421.356785][ T74] netlink_unicast+0x449/0x710 [ 6421.356785][ T74] netlink_sendmsg+0x723/0xbe0 [ 6421.356785][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6421.356785][ T74] ___sys_sendmsg+0xee/0x170 [ 6421.356785][ T74] __sys_sendmsg+0xcd/0x170 [ 6421.356785][ T74] do_syscall_64+0xc6/0x1e0 [ 6421.356785][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6421.356785][ T74] [ 6421.358961][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6421.358961][ T74] netdev_get_by_index+0x5e/0x80 [ 6421.358961][ T74] fib6_nh_init+0x3d8/0x1580 [ 6421.358961][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6421.358961][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6421.358961][ T74] ipv6_add_addr+0x411/0x2000 [ 6421.358961][ T74] inet6_addr_add+0x30e/0xa40 [ 6421.358961][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6421.358961][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6421.358961][ T74] netlink_rcv_skb+0x130/0x360 [ 6421.358961][ T74] netlink_unicast+0x449/0x710 [ 6421.358961][ T74] netlink_sendmsg+0x723/0xbe0 [ 6421.358961][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6421.358961][ T74] ___sys_sendmsg+0xee/0x170 [ 6421.358961][ T74] __sys_sendmsg+0xcd/0x170 [ 6421.358961][ T74] do_syscall_64+0xc6/0x1e0 [ 6421.358961][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6421.358961][ T74] [ 6421.361182][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6421.361182][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6421.361182][ T74] ipv6_find_idev+0x102/0x170 [ 6421.361182][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6421.361182][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6421.361182][ T74] netlink_rcv_skb+0x130/0x360 [ 6421.361182][ T74] netlink_unicast+0x449/0x710 [ 6421.361182][ T74] netlink_sendmsg+0x723/0xbe0 [ 6421.361182][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6421.361182][ T74] ___sys_sendmsg+0xee/0x170 [ 6421.361182][ T74] __sys_sendmsg+0xcd/0x170 [ 6421.361182][ T74] do_syscall_64+0xc6/0x1e0 [ 6421.361182][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6421.361182][ T74] [ 6421.362838][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6421.362838][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6421.362838][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6421.362838][ T74] ipv6_find_idev+0x102/0x170 [ 6421.362838][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6421.362838][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6421.362838][ T74] netlink_rcv_skb+0x130/0x360 [ 6421.362838][ T74] netlink_unicast+0x449/0x710 [ 6421.362838][ T74] netlink_sendmsg+0x723/0xbe0 [ 6421.362838][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6421.362838][ T74] ___sys_sendmsg+0xee/0x170 [ 6421.362838][ T74] __sys_sendmsg+0xcd/0x170 [ 6421.362838][ T74] do_syscall_64+0xc6/0x1e0 [ 6421.362838][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6421.362838][ T74] [ 6431.599980][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6431.600400][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6431.600400][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6431.600400][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6431.600400][ T74] fib6_nh_init+0xa22/0x1580 [ 6431.600400][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6431.600400][ T74] ip6_route_add+0x1c/0x140 [ 6431.600400][ T74] inet6_rtm_newroute+0x104/0x110 [ 6431.600400][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6431.600400][ T74] netlink_rcv_skb+0x130/0x360 [ 6431.600400][ T74] netlink_unicast+0x449/0x710 [ 6431.600400][ T74] netlink_sendmsg+0x723/0xbe0 [ 6431.600400][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6431.600400][ T74] ___sys_sendmsg+0xee/0x170 [ 6431.600400][ T74] __sys_sendmsg+0xcd/0x170 [ 6431.600400][ T74] do_syscall_64+0xc6/0x1e0 [ 6431.600400][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6431.600400][ T74] [ 6431.602294][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6431.602294][ T74] netdev_get_by_index+0x5e/0x80 [ 6431.602294][ T74] fib6_nh_init+0x3d8/0x1580 [ 6431.602294][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6431.602294][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6431.602294][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6431.602294][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6431.602294][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6431.602294][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6431.602294][ T74] addrconf_dad_begin+0x310/0x670 [ 6431.602294][ T74] addrconf_dad_work+0x10b/0xab0 [ 6431.602294][ T74] process_one_work+0x84d/0x18a0 [ 6431.602294][ T74] worker_thread+0x587/0xd30 [ 6431.602294][ T74] kthread+0x28a/0x350 [ 6431.602294][ T74] ret_from_fork+0x31/0x70 [ 6431.602294][ T74] ret_from_fork_asm+0x1a/0x30 [ 6431.602294][ T74] [ 6431.604196][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6431.604196][ T74] netdev_get_by_index+0x5e/0x80 [ 6431.604196][ T74] fib6_nh_init+0x3d8/0x1580 [ 6431.604196][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6431.604196][ T74] ip6_route_add+0x1c/0x140 [ 6431.604196][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6431.604196][ T74] inet6_addr_add+0x4f8/0xa40 [ 6431.604196][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6431.604196][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6431.604196][ T74] netlink_rcv_skb+0x130/0x360 [ 6431.604196][ T74] netlink_unicast+0x449/0x710 [ 6431.604196][ T74] netlink_sendmsg+0x723/0xbe0 [ 6431.604196][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6431.604196][ T74] ___sys_sendmsg+0xee/0x170 [ 6431.604196][ T74] __sys_sendmsg+0xcd/0x170 [ 6431.604196][ T74] do_syscall_64+0xc6/0x1e0 [ 6431.604196][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6431.604196][ T74] [ 6431.606206][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6431.606206][ T74] netdev_get_by_index+0x5e/0x80 [ 6431.606206][ T74] fib6_nh_init+0x3d8/0x1580 [ 6431.606206][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6431.606206][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6431.606206][ T74] ipv6_add_addr+0x411/0x2000 [ 6431.606206][ T74] inet6_addr_add+0x30e/0xa40 [ 6431.606206][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6431.606206][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6431.606206][ T74] netlink_rcv_skb+0x130/0x360 [ 6431.606206][ T74] netlink_unicast+0x449/0x710 [ 6431.606206][ T74] netlink_sendmsg+0x723/0xbe0 [ 6431.606206][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6431.606206][ T74] ___sys_sendmsg+0xee/0x170 [ 6431.606206][ T74] __sys_sendmsg+0xcd/0x170 [ 6431.606206][ T74] do_syscall_64+0xc6/0x1e0 [ 6431.606206][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6431.606206][ T74] [ 6431.608196][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6431.608196][ T74] netdev_get_by_index+0x5e/0x80 [ 6431.608196][ T74] fib6_nh_init+0x3d8/0x1580 [ 6431.608196][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6431.608196][ T74] ip6_route_add+0x1c/0x140 [ 6431.608196][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6431.608196][ T74] addrconf_add_dev+0xe2/0x170 [ 6431.608196][ T74] inet6_addr_add+0x12f/0xa40 [ 6431.608196][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6431.608196][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6431.608196][ T74] netlink_rcv_skb+0x130/0x360 [ 6431.608196][ T74] netlink_unicast+0x449/0x710 [ 6431.608196][ T74] netlink_sendmsg+0x723/0xbe0 [ 6431.608196][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6431.608196][ T74] ___sys_sendmsg+0xee/0x170 [ 6431.608196][ T74] __sys_sendmsg+0xcd/0x170 [ 6431.608196][ T74] do_syscall_64+0xc6/0x1e0 [ 6431.608196][ T74] [ 6431.610164][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6431.610164][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6431.610164][ T74] ipv6_find_idev+0x102/0x170 [ 6431.610164][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6431.610164][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6431.610164][ T74] netlink_rcv_skb+0x130/0x360 [ 6431.610164][ T74] netlink_unicast+0x449/0x710 [ 6431.610164][ T74] netlink_sendmsg+0x723/0xbe0 [ 6431.610164][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6431.610164][ T74] ___sys_sendmsg+0xee/0x170 [ 6431.610164][ T74] __sys_sendmsg+0xcd/0x170 [ 6431.610164][ T74] do_syscall_64+0xc6/0x1e0 [ 6431.610164][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6431.610164][ T74] [ 6431.611691][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6431.611691][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6431.611691][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6431.611691][ T74] ipv6_find_idev+0x102/0x170 [ 6431.611691][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6431.611691][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6431.611691][ T74] netlink_rcv_skb+0x130/0x360 [ 6431.611691][ T74] netlink_unicast+0x449/0x710 [ 6431.611691][ T74] netlink_sendmsg+0x723/0xbe0 [ 6431.611691][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6431.611691][ T74] ___sys_sendmsg+0xee/0x170 [ 6431.611691][ T74] __sys_sendmsg+0xcd/0x170 [ 6431.611691][ T74] do_syscall_64+0xc6/0x1e0 [ 6431.611691][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6431.611691][ T74] [ 6431.613355][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6431.613624][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6431.613624][ T74] dst_init+0x84/0x4a0 [ 6431.613624][ T74] dst_alloc+0x97/0x150 [ 6431.613624][ T74] ip6_dst_alloc+0x23/0x90 [ 6431.613624][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6431.613624][ T74] ip6_pol_route+0x56f/0x840 [ 6431.613624][ T74] fib6_rule_lookup+0x456/0x630 [ 6431.613624][ T74] ip6_route_input+0x59c/0xa50 [ 6431.613624][ T74] ipv6_rcv+0x397/0x810 [ 6431.613624][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6431.613624][ T74] process_backlog+0x101/0x620 [ 6431.613624][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6431.613624][ T74] net_rx_action+0x495/0xbe0 [ 6431.613624][ T74] __do_softirq+0x1b5/0x7f6 [ 6431.613624][ T74] [ 6431.615246][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6431.615246][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6431.615246][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6431.615246][ T74] fib6_nh_init+0xa22/0x1580 [ 6431.615246][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6431.615246][ T74] ip6_route_add+0x1c/0x140 [ 6431.615246][ T74] inet6_rtm_newroute+0x104/0x110 [ 6431.615246][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6431.615246][ T74] netlink_rcv_skb+0x130/0x360 [ 6431.615246][ T74] netlink_unicast+0x449/0x710 [ 6431.615246][ T74] netlink_sendmsg+0x723/0xbe0 [ 6431.615246][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6431.615246][ T74] ___sys_sendmsg+0xee/0x170 [ 6431.615246][ T74] __sys_sendmsg+0xcd/0x170 [ 6431.615246][ T74] do_syscall_64+0xc6/0x1e0 [ 6431.615246][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6431.615246][ T74] [ 6431.617119][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6431.617119][ T74] netdev_get_by_index+0x5e/0x80 [ 6431.617119][ T74] fib6_nh_init+0x3d8/0x1580 [ 6431.617119][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6431.617119][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6431.617119][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6431.617119][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6431.617119][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6431.617119][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6431.617119][ T74] addrconf_dad_begin+0x310/0x670 [ 6431.617119][ T74] addrconf_dad_work+0x10b/0xab0 [ 6431.617119][ T74] process_one_work+0x84d/0x18a0 [ 6431.617119][ T74] worker_thread+0x587/0xd30 [ 6431.617119][ T74] kthread+0x28a/0x350 [ 6431.617119][ T74] ret_from_fork+0x31/0x70 [ 6431.617119][ T74] ret_from_fork_asm+0x1a/0x30 [ 6431.617119][ T74] [ 6431.619024][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6431.619024][ T74] netdev_get_by_index+0x5e/0x80 [ 6431.619024][ T74] fib6_nh_init+0x3d8/0x1580 [ 6431.619024][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6431.619024][ T74] ip6_route_add+0x1c/0x140 [ 6431.619024][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6431.619024][ T74] inet6_addr_add+0x4f8/0xa40 [ 6431.619024][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6431.619024][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6431.619024][ T74] netlink_rcv_skb+0x130/0x360 [ 6431.619024][ T74] netlink_unicast+0x449/0x710 [ 6431.619024][ T74] netlink_sendmsg+0x723/0xbe0 [ 6431.619024][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6431.619024][ T74] ___sys_sendmsg+0xee/0x170 [ 6431.619024][ T74] __sys_sendmsg+0xcd/0x170 [ 6431.619024][ T74] do_syscall_64+0xc6/0x1e0 [ 6431.619024][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6431.619024][ T74] [ 6431.621007][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6431.621007][ T74] netdev_get_by_index+0x5e/0x80 [ 6431.621007][ T74] fib6_nh_init+0x3d8/0x1580 [ 6431.621007][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6431.621007][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6431.621007][ T74] ipv6_add_addr+0x411/0x2000 [ 6431.621007][ T74] inet6_addr_add+0x30e/0xa40 [ 6431.621007][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6431.621007][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6431.621007][ T74] netlink_rcv_skb+0x130/0x360 [ 6431.621007][ T74] netlink_unicast+0x449/0x710 [ 6431.621007][ T74] netlink_sendmsg+0x723/0xbe0 [ 6431.621007][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6431.621007][ T74] ___sys_sendmsg+0xee/0x170 [ 6431.621007][ T74] __sys_sendmsg+0xcd/0x170 [ 6431.621007][ T74] do_syscall_64+0xc6/0x1e0 [ 6431.621007][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6431.621007][ T74] [ 6431.622988][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6431.622988][ T74] netdev_get_by_index+0x5e/0x80 [ 6431.622988][ T74] fib6_nh_init+0x3d8/0x1580 [ 6431.622988][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6431.622988][ T74] ip6_route_add+0x1c/0x140 [ 6431.622988][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6431.622988][ T74] addrconf_add_dev+0xe2/0x170 [ 6431.622988][ T74] inet6_addr_add+0x12f/0xa40 [ 6431.622988][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6431.622988][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6431.622988][ T74] netlink_rcv_skb+0x130/0x360 [ 6431.622988][ T74] netlink_unicast+0x449/0x710 [ 6431.622988][ T74] netlink_sendmsg+0x723/0xbe0 [ 6431.622988][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6431.622988][ T74] ___sys_sendmsg+0xee/0x170 [ 6431.622988][ T74] __sys_sendmsg+0xcd/0x170 [ 6431.622988][ T74] do_syscall_64+0xc6/0x1e0 [ 6431.622988][ T74] [ 6431.624935][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6431.624935][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6431.624935][ T74] ipv6_find_idev+0x102/0x170 [ 6431.624935][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6431.624935][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6431.624935][ T74] netlink_rcv_skb+0x130/0x360 [ 6431.624935][ T74] netlink_unicast+0x449/0x710 [ 6431.624935][ T74] netlink_sendmsg+0x723/0xbe0 [ 6431.624935][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6431.624935][ T74] ___sys_sendmsg+0xee/0x170 [ 6431.624935][ T74] __sys_sendmsg+0xcd/0x170 [ 6431.624935][ T74] do_syscall_64+0xc6/0x1e0 [ 6431.624935][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6431.624935][ T74] [ 6431.626587][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6431.626587][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6431.626587][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6431.626587][ T74] ipv6_find_idev+0x102/0x170 [ 6431.626587][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6431.626587][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6431.626587][ T74] netlink_rcv_skb+0x130/0x360 [ 6431.626587][ T74] netlink_unicast+0x449/0x710 [ 6431.626587][ T74] netlink_sendmsg+0x723/0xbe0 [ 6431.626587][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6431.626587][ T74] ___sys_sendmsg+0xee/0x170 [ 6431.626587][ T74] __sys_sendmsg+0xcd/0x170 [ 6431.626587][ T74] do_syscall_64+0xc6/0x1e0 [ 6431.626587][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6431.626587][ T74] [ 6431.628521][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6431.628820][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6431.628820][ T74] netdev_get_by_index+0x5e/0x80 [ 6431.628820][ T74] fib6_nh_init+0x3d8/0x1580 [ 6431.628820][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6431.628820][ T74] ip6_route_add+0x1c/0x140 [ 6431.628820][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6431.628820][ T74] inet6_addr_add+0x4f8/0xa40 [ 6431.628820][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6431.628820][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6431.628820][ T74] netlink_rcv_skb+0x130/0x360 [ 6431.628820][ T74] netlink_unicast+0x449/0x710 [ 6431.628820][ T74] netlink_sendmsg+0x723/0xbe0 [ 6431.628820][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6431.628820][ T74] ___sys_sendmsg+0xee/0x170 [ 6431.628820][ T74] __sys_sendmsg+0xcd/0x170 [ 6431.628820][ T74] do_syscall_64+0xc6/0x1e0 [ 6431.628820][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6431.628820][ T74] [ 6431.630996][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6431.630996][ T74] netdev_get_by_index+0x5e/0x80 [ 6431.630996][ T74] fib6_nh_init+0x3d8/0x1580 [ 6431.630996][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6431.630996][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6431.630996][ T74] ipv6_add_addr+0x411/0x2000 [ 6431.630996][ T74] inet6_addr_add+0x30e/0xa40 [ 6431.630996][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6431.630996][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6431.630996][ T74] netlink_rcv_skb+0x130/0x360 [ 6431.630996][ T74] netlink_unicast+0x449/0x710 [ 6431.630996][ T74] netlink_sendmsg+0x723/0xbe0 [ 6431.630996][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6431.630996][ T74] ___sys_sendmsg+0xee/0x170 [ 6431.630996][ T74] __sys_sendmsg+0xcd/0x170 [ 6431.630996][ T74] do_syscall_64+0xc6/0x1e0 [ 6431.630996][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6431.630996][ T74] [ 6431.633223][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6431.633223][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6431.633223][ T74] ipv6_find_idev+0x102/0x170 [ 6431.633223][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6431.633223][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6431.633223][ T74] netlink_rcv_skb+0x130/0x360 [ 6431.633223][ T74] netlink_unicast+0x449/0x710 [ 6431.633223][ T74] netlink_sendmsg+0x723/0xbe0 [ 6431.633223][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6431.633223][ T74] ___sys_sendmsg+0xee/0x170 [ 6431.633223][ T74] __sys_sendmsg+0xcd/0x170 [ 6431.633223][ T74] do_syscall_64+0xc6/0x1e0 [ 6431.633223][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6431.633223][ T74] [ 6431.634930][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6431.634930][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6431.634930][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6431.634930][ T74] ipv6_find_idev+0x102/0x170 [ 6431.634930][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6431.634930][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6431.634930][ T74] netlink_rcv_skb+0x130/0x360 [ 6431.634930][ T74] netlink_unicast+0x449/0x710 [ 6431.634930][ T74] netlink_sendmsg+0x723/0xbe0 [ 6431.634930][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6431.634930][ T74] ___sys_sendmsg+0xee/0x170 [ 6431.634930][ T74] __sys_sendmsg+0xcd/0x170 [ 6431.634930][ T74] do_syscall_64+0xc6/0x1e0 [ 6431.634930][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6431.634930][ T74] [ 6441.639957][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6441.640377][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6441.640377][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6441.640377][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6441.640377][ T74] fib6_nh_init+0xa22/0x1580 [ 6441.640377][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6441.640377][ T74] ip6_route_add+0x1c/0x140 [ 6441.640377][ T74] inet6_rtm_newroute+0x104/0x110 [ 6441.640377][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6441.640377][ T74] netlink_rcv_skb+0x130/0x360 [ 6441.640377][ T74] netlink_unicast+0x449/0x710 [ 6441.640377][ T74] netlink_sendmsg+0x723/0xbe0 [ 6441.640377][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6441.640377][ T74] ___sys_sendmsg+0xee/0x170 [ 6441.640377][ T74] __sys_sendmsg+0xcd/0x170 [ 6441.640377][ T74] do_syscall_64+0xc6/0x1e0 [ 6441.640377][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6441.640377][ T74] [ 6441.642268][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6441.642268][ T74] netdev_get_by_index+0x5e/0x80 [ 6441.642268][ T74] fib6_nh_init+0x3d8/0x1580 [ 6441.642268][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6441.642268][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6441.642268][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6441.642268][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6441.642268][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6441.642268][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6441.642268][ T74] addrconf_dad_begin+0x310/0x670 [ 6441.642268][ T74] addrconf_dad_work+0x10b/0xab0 [ 6441.642268][ T74] process_one_work+0x84d/0x18a0 [ 6441.642268][ T74] worker_thread+0x587/0xd30 [ 6441.642268][ T74] kthread+0x28a/0x350 [ 6441.642268][ T74] ret_from_fork+0x31/0x70 [ 6441.642268][ T74] ret_from_fork_asm+0x1a/0x30 [ 6441.642268][ T74] [ 6441.644261][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6441.644261][ T74] netdev_get_by_index+0x5e/0x80 [ 6441.644261][ T74] fib6_nh_init+0x3d8/0x1580 [ 6441.644261][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6441.644261][ T74] ip6_route_add+0x1c/0x140 [ 6441.644261][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6441.644261][ T74] inet6_addr_add+0x4f8/0xa40 [ 6441.644261][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6441.644261][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6441.644261][ T74] netlink_rcv_skb+0x130/0x360 [ 6441.644261][ T74] netlink_unicast+0x449/0x710 [ 6441.644261][ T74] netlink_sendmsg+0x723/0xbe0 [ 6441.644261][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6441.644261][ T74] ___sys_sendmsg+0xee/0x170 [ 6441.644261][ T74] __sys_sendmsg+0xcd/0x170 [ 6441.644261][ T74] do_syscall_64+0xc6/0x1e0 [ 6441.644261][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6441.644261][ T74] [ 6441.646253][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6441.646253][ T74] netdev_get_by_index+0x5e/0x80 [ 6441.646253][ T74] fib6_nh_init+0x3d8/0x1580 [ 6441.646253][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6441.646253][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6441.646253][ T74] ipv6_add_addr+0x411/0x2000 [ 6441.646253][ T74] inet6_addr_add+0x30e/0xa40 [ 6441.646253][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6441.646253][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6441.646253][ T74] netlink_rcv_skb+0x130/0x360 [ 6441.646253][ T74] netlink_unicast+0x449/0x710 [ 6441.646253][ T74] netlink_sendmsg+0x723/0xbe0 [ 6441.646253][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6441.646253][ T74] ___sys_sendmsg+0xee/0x170 [ 6441.646253][ T74] __sys_sendmsg+0xcd/0x170 [ 6441.646253][ T74] do_syscall_64+0xc6/0x1e0 [ 6441.646253][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6441.646253][ T74] [ 6441.648243][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6441.648243][ T74] netdev_get_by_index+0x5e/0x80 [ 6441.648243][ T74] fib6_nh_init+0x3d8/0x1580 [ 6441.648243][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6441.648243][ T74] ip6_route_add+0x1c/0x140 [ 6441.648243][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6441.648243][ T74] addrconf_add_dev+0xe2/0x170 [ 6441.648243][ T74] inet6_addr_add+0x12f/0xa40 [ 6441.648243][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6441.648243][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6441.648243][ T74] netlink_rcv_skb+0x130/0x360 [ 6441.648243][ T74] netlink_unicast+0x449/0x710 [ 6441.648243][ T74] netlink_sendmsg+0x723/0xbe0 [ 6441.648243][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6441.648243][ T74] ___sys_sendmsg+0xee/0x170 [ 6441.648243][ T74] __sys_sendmsg+0xcd/0x170 [ 6441.648243][ T74] do_syscall_64+0xc6/0x1e0 [ 6441.648243][ T74] [ 6441.650214][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6441.650214][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6441.650214][ T74] ipv6_find_idev+0x102/0x170 [ 6441.650214][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6441.650214][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6441.650214][ T74] netlink_rcv_skb+0x130/0x360 [ 6441.650214][ T74] netlink_unicast+0x449/0x710 [ 6441.650214][ T74] netlink_sendmsg+0x723/0xbe0 [ 6441.650214][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6441.650214][ T74] ___sys_sendmsg+0xee/0x170 [ 6441.650214][ T74] __sys_sendmsg+0xcd/0x170 [ 6441.650214][ T74] do_syscall_64+0xc6/0x1e0 [ 6441.650214][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6441.650214][ T74] [ 6441.651759][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6441.651759][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6441.651759][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6441.651759][ T74] ipv6_find_idev+0x102/0x170 [ 6441.651759][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6441.651759][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6441.651759][ T74] netlink_rcv_skb+0x130/0x360 [ 6441.651759][ T74] netlink_unicast+0x449/0x710 [ 6441.651759][ T74] netlink_sendmsg+0x723/0xbe0 [ 6441.651759][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6441.651759][ T74] ___sys_sendmsg+0xee/0x170 [ 6441.651759][ T74] __sys_sendmsg+0xcd/0x170 [ 6441.651759][ T74] do_syscall_64+0xc6/0x1e0 [ 6441.651759][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6441.651759][ T74] [ 6441.653438][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6441.653715][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6441.653715][ T74] dst_init+0x84/0x4a0 [ 6441.653715][ T74] dst_alloc+0x97/0x150 [ 6441.653715][ T74] ip6_dst_alloc+0x23/0x90 [ 6441.653715][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6441.653715][ T74] ip6_pol_route+0x56f/0x840 [ 6441.653715][ T74] fib6_rule_lookup+0x456/0x630 [ 6441.653715][ T74] ip6_route_input+0x59c/0xa50 [ 6441.653715][ T74] ipv6_rcv+0x397/0x810 [ 6441.653715][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6441.653715][ T74] process_backlog+0x101/0x620 [ 6441.653715][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6441.653715][ T74] net_rx_action+0x495/0xbe0 [ 6441.653715][ T74] __do_softirq+0x1b5/0x7f6 [ 6441.653715][ T74] [ 6441.655346][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6441.655346][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6441.655346][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6441.655346][ T74] fib6_nh_init+0xa22/0x1580 [ 6441.655346][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6441.655346][ T74] ip6_route_add+0x1c/0x140 [ 6441.655346][ T74] inet6_rtm_newroute+0x104/0x110 [ 6441.655346][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6441.655346][ T74] netlink_rcv_skb+0x130/0x360 [ 6441.655346][ T74] netlink_unicast+0x449/0x710 [ 6441.655346][ T74] netlink_sendmsg+0x723/0xbe0 [ 6441.655346][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6441.655346][ T74] ___sys_sendmsg+0xee/0x170 [ 6441.655346][ T74] __sys_sendmsg+0xcd/0x170 [ 6441.655346][ T74] do_syscall_64+0xc6/0x1e0 [ 6441.655346][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6441.655346][ T74] [ 6441.657235][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6441.657235][ T74] netdev_get_by_index+0x5e/0x80 [ 6441.657235][ T74] fib6_nh_init+0x3d8/0x1580 [ 6441.657235][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6441.657235][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6441.657235][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6441.657235][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6441.657235][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6441.657235][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6441.657235][ T74] addrconf_dad_begin+0x310/0x670 [ 6441.657235][ T74] addrconf_dad_work+0x10b/0xab0 [ 6441.657235][ T74] process_one_work+0x84d/0x18a0 [ 6441.657235][ T74] worker_thread+0x587/0xd30 [ 6441.657235][ T74] kthread+0x28a/0x350 [ 6441.657235][ T74] ret_from_fork+0x31/0x70 [ 6441.657235][ T74] ret_from_fork_asm+0x1a/0x30 [ 6441.657235][ T74] [ 6441.659151][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6441.659151][ T74] netdev_get_by_index+0x5e/0x80 [ 6441.659151][ T74] fib6_nh_init+0x3d8/0x1580 [ 6441.659151][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6441.659151][ T74] ip6_route_add+0x1c/0x140 [ 6441.659151][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6441.659151][ T74] inet6_addr_add+0x4f8/0xa40 [ 6441.659151][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6441.659151][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6441.659151][ T74] netlink_rcv_skb+0x130/0x360 [ 6441.659151][ T74] netlink_unicast+0x449/0x710 [ 6441.659151][ T74] netlink_sendmsg+0x723/0xbe0 [ 6441.659151][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6441.659151][ T74] ___sys_sendmsg+0xee/0x170 [ 6441.659151][ T74] __sys_sendmsg+0xcd/0x170 [ 6441.659151][ T74] do_syscall_64+0xc6/0x1e0 [ 6441.659151][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6441.659151][ T74] [ 6441.661133][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6441.661133][ T74] netdev_get_by_index+0x5e/0x80 [ 6441.661133][ T74] fib6_nh_init+0x3d8/0x1580 [ 6441.661133][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6441.661133][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6441.661133][ T74] ipv6_add_addr+0x411/0x2000 [ 6441.661133][ T74] inet6_addr_add+0x30e/0xa40 [ 6441.661133][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6441.661133][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6441.661133][ T74] netlink_rcv_skb+0x130/0x360 [ 6441.661133][ T74] netlink_unicast+0x449/0x710 [ 6441.661133][ T74] netlink_sendmsg+0x723/0xbe0 [ 6441.661133][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6441.661133][ T74] ___sys_sendmsg+0xee/0x170 [ 6441.661133][ T74] __sys_sendmsg+0xcd/0x170 [ 6441.661133][ T74] do_syscall_64+0xc6/0x1e0 [ 6441.661133][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6441.661133][ T74] [ 6441.663120][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6441.663120][ T74] netdev_get_by_index+0x5e/0x80 [ 6441.663120][ T74] fib6_nh_init+0x3d8/0x1580 [ 6441.663120][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6441.663120][ T74] ip6_route_add+0x1c/0x140 [ 6441.663120][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6441.663120][ T74] addrconf_add_dev+0xe2/0x170 [ 6441.663120][ T74] inet6_addr_add+0x12f/0xa40 [ 6441.663120][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6441.663120][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6441.663120][ T74] netlink_rcv_skb+0x130/0x360 [ 6441.663120][ T74] netlink_unicast+0x449/0x710 [ 6441.663120][ T74] netlink_sendmsg+0x723/0xbe0 [ 6441.663120][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6441.663120][ T74] ___sys_sendmsg+0xee/0x170 [ 6441.663120][ T74] __sys_sendmsg+0xcd/0x170 [ 6441.663120][ T74] do_syscall_64+0xc6/0x1e0 [ 6441.663120][ T74] [ 6441.665087][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6441.665087][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6441.665087][ T74] ipv6_find_idev+0x102/0x170 [ 6441.665087][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6441.665087][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6441.665087][ T74] netlink_rcv_skb+0x130/0x360 [ 6441.665087][ T74] netlink_unicast+0x449/0x710 [ 6441.665087][ T74] netlink_sendmsg+0x723/0xbe0 [ 6441.665087][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6441.665087][ T74] ___sys_sendmsg+0xee/0x170 [ 6441.665087][ T74] __sys_sendmsg+0xcd/0x170 [ 6441.665087][ T74] do_syscall_64+0xc6/0x1e0 [ 6441.665087][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6441.665087][ T74] [ 6441.666765][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6441.666765][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6441.666765][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6441.666765][ T74] ipv6_find_idev+0x102/0x170 [ 6441.666765][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6441.666765][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6441.666765][ T74] netlink_rcv_skb+0x130/0x360 [ 6441.666765][ T74] netlink_unicast+0x449/0x710 [ 6441.666765][ T74] netlink_sendmsg+0x723/0xbe0 [ 6441.666765][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6441.666765][ T74] ___sys_sendmsg+0xee/0x170 [ 6441.666765][ T74] __sys_sendmsg+0xcd/0x170 [ 6441.666765][ T74] do_syscall_64+0xc6/0x1e0 [ 6441.666765][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6441.666765][ T74] [ 6441.668696][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6441.669007][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6441.669007][ T74] netdev_get_by_index+0x5e/0x80 [ 6441.669007][ T74] fib6_nh_init+0x3d8/0x1580 [ 6441.669007][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6441.669007][ T74] ip6_route_add+0x1c/0x140 [ 6441.669007][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6441.669007][ T74] inet6_addr_add+0x4f8/0xa40 [ 6441.669007][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6441.669007][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6441.669007][ T74] netlink_rcv_skb+0x130/0x360 [ 6441.669007][ T74] netlink_unicast+0x449/0x710 [ 6441.669007][ T74] netlink_sendmsg+0x723/0xbe0 [ 6441.669007][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6441.669007][ T74] ___sys_sendmsg+0xee/0x170 [ 6441.669007][ T74] __sys_sendmsg+0xcd/0x170 [ 6441.669007][ T74] do_syscall_64+0xc6/0x1e0 [ 6441.669007][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6441.669007][ T74] [ 6441.671193][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6441.671193][ T74] netdev_get_by_index+0x5e/0x80 [ 6441.671193][ T74] fib6_nh_init+0x3d8/0x1580 [ 6441.671193][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6441.671193][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6441.671193][ T74] ipv6_add_addr+0x411/0x2000 [ 6441.671193][ T74] inet6_addr_add+0x30e/0xa40 [ 6441.671193][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6441.671193][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6441.671193][ T74] netlink_rcv_skb+0x130/0x360 [ 6441.671193][ T74] netlink_unicast+0x449/0x710 [ 6441.671193][ T74] netlink_sendmsg+0x723/0xbe0 [ 6441.671193][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6441.671193][ T74] ___sys_sendmsg+0xee/0x170 [ 6441.671193][ T74] __sys_sendmsg+0xcd/0x170 [ 6441.671193][ T74] do_syscall_64+0xc6/0x1e0 [ 6441.671193][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6441.671193][ T74] [ 6441.673416][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6441.673416][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6441.673416][ T74] ipv6_find_idev+0x102/0x170 [ 6441.673416][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6441.673416][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6441.673416][ T74] netlink_rcv_skb+0x130/0x360 [ 6441.673416][ T74] netlink_unicast+0x449/0x710 [ 6441.673416][ T74] netlink_sendmsg+0x723/0xbe0 [ 6441.673416][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6441.673416][ T74] ___sys_sendmsg+0xee/0x170 [ 6441.673416][ T74] __sys_sendmsg+0xcd/0x170 [ 6441.673416][ T74] do_syscall_64+0xc6/0x1e0 [ 6441.673416][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6441.673416][ T74] [ 6441.675076][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6441.675076][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6441.675076][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6441.675076][ T74] ipv6_find_idev+0x102/0x170 [ 6441.675076][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6441.675076][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6441.675076][ T74] netlink_rcv_skb+0x130/0x360 [ 6441.675076][ T74] netlink_unicast+0x449/0x710 [ 6441.675076][ T74] netlink_sendmsg+0x723/0xbe0 [ 6441.675076][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6441.675076][ T74] ___sys_sendmsg+0xee/0x170 [ 6441.675076][ T74] __sys_sendmsg+0xcd/0x170 [ 6441.675076][ T74] do_syscall_64+0xc6/0x1e0 [ 6441.675076][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6441.675076][ T74] [ 6451.807960][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6451.808390][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6451.808390][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6451.808390][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6451.808390][ T74] fib6_nh_init+0xa22/0x1580 [ 6451.808390][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6451.808390][ T74] ip6_route_add+0x1c/0x140 [ 6451.808390][ T74] inet6_rtm_newroute+0x104/0x110 [ 6451.808390][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6451.808390][ T74] netlink_rcv_skb+0x130/0x360 [ 6451.808390][ T74] netlink_unicast+0x449/0x710 [ 6451.808390][ T74] netlink_sendmsg+0x723/0xbe0 [ 6451.808390][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6451.808390][ T74] ___sys_sendmsg+0xee/0x170 [ 6451.808390][ T74] __sys_sendmsg+0xcd/0x170 [ 6451.808390][ T74] do_syscall_64+0xc6/0x1e0 [ 6451.808390][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6451.808390][ T74] [ 6451.810293][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6451.810293][ T74] netdev_get_by_index+0x5e/0x80 [ 6451.810293][ T74] fib6_nh_init+0x3d8/0x1580 [ 6451.810293][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6451.810293][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6451.810293][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6451.810293][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6451.810293][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6451.810293][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6451.810293][ T74] addrconf_dad_begin+0x310/0x670 [ 6451.810293][ T74] addrconf_dad_work+0x10b/0xab0 [ 6451.810293][ T74] process_one_work+0x84d/0x18a0 [ 6451.810293][ T74] worker_thread+0x587/0xd30 [ 6451.810293][ T74] kthread+0x28a/0x350 [ 6451.810293][ T74] ret_from_fork+0x31/0x70 [ 6451.810293][ T74] ret_from_fork_asm+0x1a/0x30 [ 6451.810293][ T74] [ 6451.812202][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6451.812202][ T74] netdev_get_by_index+0x5e/0x80 [ 6451.812202][ T74] fib6_nh_init+0x3d8/0x1580 [ 6451.812202][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6451.812202][ T74] ip6_route_add+0x1c/0x140 [ 6451.812202][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6451.812202][ T74] inet6_addr_add+0x4f8/0xa40 [ 6451.812202][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6451.812202][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6451.812202][ T74] netlink_rcv_skb+0x130/0x360 [ 6451.812202][ T74] netlink_unicast+0x449/0x710 [ 6451.812202][ T74] netlink_sendmsg+0x723/0xbe0 [ 6451.812202][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6451.812202][ T74] ___sys_sendmsg+0xee/0x170 [ 6451.812202][ T74] __sys_sendmsg+0xcd/0x170 [ 6451.812202][ T74] do_syscall_64+0xc6/0x1e0 [ 6451.812202][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6451.812202][ T74] [ 6451.814204][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6451.814204][ T74] netdev_get_by_index+0x5e/0x80 [ 6451.814204][ T74] fib6_nh_init+0x3d8/0x1580 [ 6451.814204][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6451.814204][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6451.814204][ T74] ipv6_add_addr+0x411/0x2000 [ 6451.814204][ T74] inet6_addr_add+0x30e/0xa40 [ 6451.814204][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6451.814204][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6451.814204][ T74] netlink_rcv_skb+0x130/0x360 [ 6451.814204][ T74] netlink_unicast+0x449/0x710 [ 6451.814204][ T74] netlink_sendmsg+0x723/0xbe0 [ 6451.814204][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6451.814204][ T74] ___sys_sendmsg+0xee/0x170 [ 6451.814204][ T74] __sys_sendmsg+0xcd/0x170 [ 6451.814204][ T74] do_syscall_64+0xc6/0x1e0 [ 6451.814204][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6451.814204][ T74] [ 6451.816201][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6451.816201][ T74] netdev_get_by_index+0x5e/0x80 [ 6451.816201][ T74] fib6_nh_init+0x3d8/0x1580 [ 6451.816201][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6451.816201][ T74] ip6_route_add+0x1c/0x140 [ 6451.816201][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6451.816201][ T74] addrconf_add_dev+0xe2/0x170 [ 6451.816201][ T74] inet6_addr_add+0x12f/0xa40 [ 6451.816201][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6451.816201][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6451.816201][ T74] netlink_rcv_skb+0x130/0x360 [ 6451.816201][ T74] netlink_unicast+0x449/0x710 [ 6451.816201][ T74] netlink_sendmsg+0x723/0xbe0 [ 6451.816201][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6451.816201][ T74] ___sys_sendmsg+0xee/0x170 [ 6451.816201][ T74] __sys_sendmsg+0xcd/0x170 [ 6451.816201][ T74] do_syscall_64+0xc6/0x1e0 [ 6451.816201][ T74] [ 6451.818157][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6451.818157][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6451.818157][ T74] ipv6_find_idev+0x102/0x170 [ 6451.818157][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6451.818157][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6451.818157][ T74] netlink_rcv_skb+0x130/0x360 [ 6451.818157][ T74] netlink_unicast+0x449/0x710 [ 6451.818157][ T74] netlink_sendmsg+0x723/0xbe0 [ 6451.818157][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6451.818157][ T74] ___sys_sendmsg+0xee/0x170 [ 6451.818157][ T74] __sys_sendmsg+0xcd/0x170 [ 6451.818157][ T74] do_syscall_64+0xc6/0x1e0 [ 6451.818157][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6451.818157][ T74] [ 6451.819708][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6451.819708][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6451.819708][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6451.819708][ T74] ipv6_find_idev+0x102/0x170 [ 6451.819708][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6451.819708][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6451.819708][ T74] netlink_rcv_skb+0x130/0x360 [ 6451.819708][ T74] netlink_unicast+0x449/0x710 [ 6451.819708][ T74] netlink_sendmsg+0x723/0xbe0 [ 6451.819708][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6451.819708][ T74] ___sys_sendmsg+0xee/0x170 [ 6451.819708][ T74] __sys_sendmsg+0xcd/0x170 [ 6451.819708][ T74] do_syscall_64+0xc6/0x1e0 [ 6451.819708][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6451.819708][ T74] [ 6451.821389][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6451.821662][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6451.821662][ T74] dst_init+0x84/0x4a0 [ 6451.821662][ T74] dst_alloc+0x97/0x150 [ 6451.821662][ T74] ip6_dst_alloc+0x23/0x90 [ 6451.821662][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6451.821662][ T74] ip6_pol_route+0x56f/0x840 [ 6451.821662][ T74] fib6_rule_lookup+0x456/0x630 [ 6451.821662][ T74] ip6_route_input+0x59c/0xa50 [ 6451.821662][ T74] ipv6_rcv+0x397/0x810 [ 6451.821662][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6451.821662][ T74] process_backlog+0x101/0x620 [ 6451.821662][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6451.821662][ T74] net_rx_action+0x495/0xbe0 [ 6451.821662][ T74] __do_softirq+0x1b5/0x7f6 [ 6451.821662][ T74] [ 6451.823286][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6451.823286][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6451.823286][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6451.823286][ T74] fib6_nh_init+0xa22/0x1580 [ 6451.823286][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6451.823286][ T74] ip6_route_add+0x1c/0x140 [ 6451.823286][ T74] inet6_rtm_newroute+0x104/0x110 [ 6451.823286][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6451.823286][ T74] netlink_rcv_skb+0x130/0x360 [ 6451.823286][ T74] netlink_unicast+0x449/0x710 [ 6451.823286][ T74] netlink_sendmsg+0x723/0xbe0 [ 6451.823286][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6451.823286][ T74] ___sys_sendmsg+0xee/0x170 [ 6451.823286][ T74] __sys_sendmsg+0xcd/0x170 [ 6451.823286][ T74] do_syscall_64+0xc6/0x1e0 [ 6451.823286][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6451.823286][ T74] [ 6451.825156][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6451.825156][ T74] netdev_get_by_index+0x5e/0x80 [ 6451.825156][ T74] fib6_nh_init+0x3d8/0x1580 [ 6451.825156][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6451.825156][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6451.825156][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6451.825156][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6451.825156][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6451.825156][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6451.825156][ T74] addrconf_dad_begin+0x310/0x670 [ 6451.825156][ T74] addrconf_dad_work+0x10b/0xab0 [ 6451.825156][ T74] process_one_work+0x84d/0x18a0 [ 6451.825156][ T74] worker_thread+0x587/0xd30 [ 6451.825156][ T74] kthread+0x28a/0x350 [ 6451.825156][ T74] ret_from_fork+0x31/0x70 [ 6451.825156][ T74] ret_from_fork_asm+0x1a/0x30 [ 6451.825156][ T74] [ 6451.827053][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6451.827053][ T74] netdev_get_by_index+0x5e/0x80 [ 6451.827053][ T74] fib6_nh_init+0x3d8/0x1580 [ 6451.827053][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6451.827053][ T74] ip6_route_add+0x1c/0x140 [ 6451.827053][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6451.827053][ T74] inet6_addr_add+0x4f8/0xa40 [ 6451.827053][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6451.827053][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6451.827053][ T74] netlink_rcv_skb+0x130/0x360 [ 6451.827053][ T74] netlink_unicast+0x449/0x710 [ 6451.827053][ T74] netlink_sendmsg+0x723/0xbe0 [ 6451.827053][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6451.827053][ T74] ___sys_sendmsg+0xee/0x170 [ 6451.827053][ T74] __sys_sendmsg+0xcd/0x170 [ 6451.827053][ T74] do_syscall_64+0xc6/0x1e0 [ 6451.827053][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6451.827053][ T74] [ 6451.829053][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6451.829053][ T74] netdev_get_by_index+0x5e/0x80 [ 6451.829053][ T74] fib6_nh_init+0x3d8/0x1580 [ 6451.829053][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6451.829053][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6451.829053][ T74] ipv6_add_addr+0x411/0x2000 [ 6451.829053][ T74] inet6_addr_add+0x30e/0xa40 [ 6451.829053][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6451.829053][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6451.829053][ T74] netlink_rcv_skb+0x130/0x360 [ 6451.829053][ T74] netlink_unicast+0x449/0x710 [ 6451.829053][ T74] netlink_sendmsg+0x723/0xbe0 [ 6451.829053][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6451.829053][ T74] ___sys_sendmsg+0xee/0x170 [ 6451.829053][ T74] __sys_sendmsg+0xcd/0x170 [ 6451.829053][ T74] do_syscall_64+0xc6/0x1e0 [ 6451.829053][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6451.829053][ T74] [ 6451.831044][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6451.831044][ T74] netdev_get_by_index+0x5e/0x80 [ 6451.831044][ T74] fib6_nh_init+0x3d8/0x1580 [ 6451.831044][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6451.831044][ T74] ip6_route_add+0x1c/0x140 [ 6451.831044][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6451.831044][ T74] addrconf_add_dev+0xe2/0x170 [ 6451.831044][ T74] inet6_addr_add+0x12f/0xa40 [ 6451.831044][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6451.831044][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6451.831044][ T74] netlink_rcv_skb+0x130/0x360 [ 6451.831044][ T74] netlink_unicast+0x449/0x710 [ 6451.831044][ T74] netlink_sendmsg+0x723/0xbe0 [ 6451.831044][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6451.831044][ T74] ___sys_sendmsg+0xee/0x170 [ 6451.831044][ T74] __sys_sendmsg+0xcd/0x170 [ 6451.831044][ T74] do_syscall_64+0xc6/0x1e0 [ 6451.831044][ T74] [ 6451.832998][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6451.832998][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6451.832998][ T74] ipv6_find_idev+0x102/0x170 [ 6451.832998][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6451.832998][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6451.832998][ T74] netlink_rcv_skb+0x130/0x360 [ 6451.832998][ T74] netlink_unicast+0x449/0x710 [ 6451.832998][ T74] netlink_sendmsg+0x723/0xbe0 [ 6451.832998][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6451.832998][ T74] ___sys_sendmsg+0xee/0x170 [ 6451.832998][ T74] __sys_sendmsg+0xcd/0x170 [ 6451.832998][ T74] do_syscall_64+0xc6/0x1e0 [ 6451.832998][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6451.832998][ T74] [ 6451.834655][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6451.834655][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6451.834655][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6451.834655][ T74] ipv6_find_idev+0x102/0x170 [ 6451.834655][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6451.834655][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6451.834655][ T74] netlink_rcv_skb+0x130/0x360 [ 6451.834655][ T74] netlink_unicast+0x449/0x710 [ 6451.834655][ T74] netlink_sendmsg+0x723/0xbe0 [ 6451.834655][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6451.834655][ T74] ___sys_sendmsg+0xee/0x170 [ 6451.834655][ T74] __sys_sendmsg+0xcd/0x170 [ 6451.834655][ T74] do_syscall_64+0xc6/0x1e0 [ 6451.834655][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6451.834655][ T74] [ 6451.836571][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6451.836881][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6451.836881][ T74] netdev_get_by_index+0x5e/0x80 [ 6451.836881][ T74] fib6_nh_init+0x3d8/0x1580 [ 6451.836881][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6451.836881][ T74] ip6_route_add+0x1c/0x140 [ 6451.836881][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6451.836881][ T74] inet6_addr_add+0x4f8/0xa40 [ 6451.836881][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6451.836881][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6451.836881][ T74] netlink_rcv_skb+0x130/0x360 [ 6451.836881][ T74] netlink_unicast+0x449/0x710 [ 6451.836881][ T74] netlink_sendmsg+0x723/0xbe0 [ 6451.836881][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6451.836881][ T74] ___sys_sendmsg+0xee/0x170 [ 6451.836881][ T74] __sys_sendmsg+0xcd/0x170 [ 6451.836881][ T74] do_syscall_64+0xc6/0x1e0 [ 6451.836881][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6451.836881][ T74] [ 6451.839006][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6451.839006][ T74] netdev_get_by_index+0x5e/0x80 [ 6451.839006][ T74] fib6_nh_init+0x3d8/0x1580 [ 6451.839006][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6451.839006][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6451.839006][ T74] ipv6_add_addr+0x411/0x2000 [ 6451.839006][ T74] inet6_addr_add+0x30e/0xa40 [ 6451.839006][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6451.839006][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6451.839006][ T74] netlink_rcv_skb+0x130/0x360 [ 6451.839006][ T74] netlink_unicast+0x449/0x710 [ 6451.839006][ T74] netlink_sendmsg+0x723/0xbe0 [ 6451.839006][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6451.839006][ T74] ___sys_sendmsg+0xee/0x170 [ 6451.839006][ T74] __sys_sendmsg+0xcd/0x170 [ 6451.839006][ T74] do_syscall_64+0xc6/0x1e0 [ 6451.839006][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6451.839006][ T74] [ 6451.841244][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6451.841244][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6451.841244][ T74] ipv6_find_idev+0x102/0x170 [ 6451.841244][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6451.841244][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6451.841244][ T74] netlink_rcv_skb+0x130/0x360 [ 6451.841244][ T74] netlink_unicast+0x449/0x710 [ 6451.841244][ T74] netlink_sendmsg+0x723/0xbe0 [ 6451.841244][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6451.841244][ T74] ___sys_sendmsg+0xee/0x170 [ 6451.841244][ T74] __sys_sendmsg+0xcd/0x170 [ 6451.841244][ T74] do_syscall_64+0xc6/0x1e0 [ 6451.841244][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6451.841244][ T74] [ 6451.842963][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6451.842963][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6451.842963][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6451.842963][ T74] ipv6_find_idev+0x102/0x170 [ 6451.842963][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6451.842963][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6451.842963][ T74] netlink_rcv_skb+0x130/0x360 [ 6451.842963][ T74] netlink_unicast+0x449/0x710 [ 6451.842963][ T74] netlink_sendmsg+0x723/0xbe0 [ 6451.842963][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6451.842963][ T74] ___sys_sendmsg+0xee/0x170 [ 6451.842963][ T74] __sys_sendmsg+0xcd/0x170 [ 6451.842963][ T74] do_syscall_64+0xc6/0x1e0 [ 6451.842963][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6451.842963][ T74] [ 6461.871962][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6461.872388][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6461.872388][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6461.872388][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6461.872388][ T74] fib6_nh_init+0xa22/0x1580 [ 6461.872388][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6461.872388][ T74] ip6_route_add+0x1c/0x140 [ 6461.872388][ T74] inet6_rtm_newroute+0x104/0x110 [ 6461.872388][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6461.872388][ T74] netlink_rcv_skb+0x130/0x360 [ 6461.872388][ T74] netlink_unicast+0x449/0x710 [ 6461.872388][ T74] netlink_sendmsg+0x723/0xbe0 [ 6461.872388][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6461.872388][ T74] ___sys_sendmsg+0xee/0x170 [ 6461.872388][ T74] __sys_sendmsg+0xcd/0x170 [ 6461.872388][ T74] do_syscall_64+0xc6/0x1e0 [ 6461.872388][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6461.872388][ T74] [ 6461.874281][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6461.874281][ T74] netdev_get_by_index+0x5e/0x80 [ 6461.874281][ T74] fib6_nh_init+0x3d8/0x1580 [ 6461.874281][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6461.874281][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6461.874281][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6461.874281][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6461.874281][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6461.874281][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6461.874281][ T74] addrconf_dad_begin+0x310/0x670 [ 6461.874281][ T74] addrconf_dad_work+0x10b/0xab0 [ 6461.874281][ T74] process_one_work+0x84d/0x18a0 [ 6461.874281][ T74] worker_thread+0x587/0xd30 [ 6461.874281][ T74] kthread+0x28a/0x350 [ 6461.874281][ T74] ret_from_fork+0x31/0x70 [ 6461.874281][ T74] ret_from_fork_asm+0x1a/0x30 [ 6461.874281][ T74] [ 6461.876189][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6461.876189][ T74] netdev_get_by_index+0x5e/0x80 [ 6461.876189][ T74] fib6_nh_init+0x3d8/0x1580 [ 6461.876189][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6461.876189][ T74] ip6_route_add+0x1c/0x140 [ 6461.876189][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6461.876189][ T74] inet6_addr_add+0x4f8/0xa40 [ 6461.876189][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6461.876189][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6461.876189][ T74] netlink_rcv_skb+0x130/0x360 [ 6461.876189][ T74] netlink_unicast+0x449/0x710 [ 6461.876189][ T74] netlink_sendmsg+0x723/0xbe0 [ 6461.876189][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6461.876189][ T74] ___sys_sendmsg+0xee/0x170 [ 6461.876189][ T74] __sys_sendmsg+0xcd/0x170 [ 6461.876189][ T74] do_syscall_64+0xc6/0x1e0 [ 6461.876189][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6461.876189][ T74] [ 6461.878174][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6461.878174][ T74] netdev_get_by_index+0x5e/0x80 [ 6461.878174][ T74] fib6_nh_init+0x3d8/0x1580 [ 6461.878174][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6461.878174][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6461.878174][ T74] ipv6_add_addr+0x411/0x2000 [ 6461.878174][ T74] inet6_addr_add+0x30e/0xa40 [ 6461.878174][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6461.878174][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6461.878174][ T74] netlink_rcv_skb+0x130/0x360 [ 6461.878174][ T74] netlink_unicast+0x449/0x710 [ 6461.878174][ T74] netlink_sendmsg+0x723/0xbe0 [ 6461.878174][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6461.878174][ T74] ___sys_sendmsg+0xee/0x170 [ 6461.878174][ T74] __sys_sendmsg+0xcd/0x170 [ 6461.878174][ T74] do_syscall_64+0xc6/0x1e0 [ 6461.878174][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6461.878174][ T74] [ 6461.880183][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6461.880183][ T74] netdev_get_by_index+0x5e/0x80 [ 6461.880183][ T74] fib6_nh_init+0x3d8/0x1580 [ 6461.880183][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6461.880183][ T74] ip6_route_add+0x1c/0x140 [ 6461.880183][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6461.880183][ T74] addrconf_add_dev+0xe2/0x170 [ 6461.880183][ T74] inet6_addr_add+0x12f/0xa40 [ 6461.880183][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6461.880183][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6461.880183][ T74] netlink_rcv_skb+0x130/0x360 [ 6461.880183][ T74] netlink_unicast+0x449/0x710 [ 6461.880183][ T74] netlink_sendmsg+0x723/0xbe0 [ 6461.880183][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6461.880183][ T74] ___sys_sendmsg+0xee/0x170 [ 6461.880183][ T74] __sys_sendmsg+0xcd/0x170 [ 6461.880183][ T74] do_syscall_64+0xc6/0x1e0 [ 6461.880183][ T74] [ 6461.882139][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6461.882139][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6461.882139][ T74] ipv6_find_idev+0x102/0x170 [ 6461.882139][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6461.882139][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6461.882139][ T74] netlink_rcv_skb+0x130/0x360 [ 6461.882139][ T74] netlink_unicast+0x449/0x710 [ 6461.882139][ T74] netlink_sendmsg+0x723/0xbe0 [ 6461.882139][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6461.882139][ T74] ___sys_sendmsg+0xee/0x170 [ 6461.882139][ T74] __sys_sendmsg+0xcd/0x170 [ 6461.882139][ T74] do_syscall_64+0xc6/0x1e0 [ 6461.882139][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6461.882139][ T74] [ 6461.883675][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6461.883675][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6461.883675][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6461.883675][ T74] ipv6_find_idev+0x102/0x170 [ 6461.883675][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6461.883675][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6461.883675][ T74] netlink_rcv_skb+0x130/0x360 [ 6461.883675][ T74] netlink_unicast+0x449/0x710 [ 6461.883675][ T74] netlink_sendmsg+0x723/0xbe0 [ 6461.883675][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6461.883675][ T74] ___sys_sendmsg+0xee/0x170 [ 6461.883675][ T74] __sys_sendmsg+0xcd/0x170 [ 6461.883675][ T74] do_syscall_64+0xc6/0x1e0 [ 6461.883675][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6461.883675][ T74] [ 6461.885358][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6461.885638][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6461.885638][ T74] dst_init+0x84/0x4a0 [ 6461.885638][ T74] dst_alloc+0x97/0x150 [ 6461.885638][ T74] ip6_dst_alloc+0x23/0x90 [ 6461.885638][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6461.885638][ T74] ip6_pol_route+0x56f/0x840 [ 6461.885638][ T74] fib6_rule_lookup+0x456/0x630 [ 6461.885638][ T74] ip6_route_input+0x59c/0xa50 [ 6461.885638][ T74] ipv6_rcv+0x397/0x810 [ 6461.885638][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6461.885638][ T74] process_backlog+0x101/0x620 [ 6461.885638][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6461.885638][ T74] net_rx_action+0x495/0xbe0 [ 6461.885638][ T74] __do_softirq+0x1b5/0x7f6 [ 6461.885638][ T74] [ 6461.887267][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6461.887267][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6461.887267][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6461.887267][ T74] fib6_nh_init+0xa22/0x1580 [ 6461.887267][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6461.887267][ T74] ip6_route_add+0x1c/0x140 [ 6461.887267][ T74] inet6_rtm_newroute+0x104/0x110 [ 6461.887267][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6461.887267][ T74] netlink_rcv_skb+0x130/0x360 [ 6461.887267][ T74] netlink_unicast+0x449/0x710 [ 6461.887267][ T74] netlink_sendmsg+0x723/0xbe0 [ 6461.887267][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6461.887267][ T74] ___sys_sendmsg+0xee/0x170 [ 6461.887267][ T74] __sys_sendmsg+0xcd/0x170 [ 6461.887267][ T74] do_syscall_64+0xc6/0x1e0 [ 6461.887267][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6461.887267][ T74] [ 6461.889140][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6461.889140][ T74] netdev_get_by_index+0x5e/0x80 [ 6461.889140][ T74] fib6_nh_init+0x3d8/0x1580 [ 6461.889140][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6461.889140][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6461.889140][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6461.889140][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6461.889140][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6461.889140][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6461.889140][ T74] addrconf_dad_begin+0x310/0x670 [ 6461.889140][ T74] addrconf_dad_work+0x10b/0xab0 [ 6461.889140][ T74] process_one_work+0x84d/0x18a0 [ 6461.889140][ T74] worker_thread+0x587/0xd30 [ 6461.889140][ T74] kthread+0x28a/0x350 [ 6461.889140][ T74] ret_from_fork+0x31/0x70 [ 6461.889140][ T74] ret_from_fork_asm+0x1a/0x30 [ 6461.889140][ T74] [ 6461.891054][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6461.891054][ T74] netdev_get_by_index+0x5e/0x80 [ 6461.891054][ T74] fib6_nh_init+0x3d8/0x1580 [ 6461.891054][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6461.891054][ T74] ip6_route_add+0x1c/0x140 [ 6461.891054][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6461.891054][ T74] inet6_addr_add+0x4f8/0xa40 [ 6461.891054][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6461.891054][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6461.891054][ T74] netlink_rcv_skb+0x130/0x360 [ 6461.891054][ T74] netlink_unicast+0x449/0x710 [ 6461.891054][ T74] netlink_sendmsg+0x723/0xbe0 [ 6461.891054][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6461.891054][ T74] ___sys_sendmsg+0xee/0x170 [ 6461.891054][ T74] __sys_sendmsg+0xcd/0x170 [ 6461.891054][ T74] do_syscall_64+0xc6/0x1e0 [ 6461.891054][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6461.891054][ T74] [ 6461.893038][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6461.893038][ T74] netdev_get_by_index+0x5e/0x80 [ 6461.893038][ T74] fib6_nh_init+0x3d8/0x1580 [ 6461.893038][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6461.893038][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6461.893038][ T74] ipv6_add_addr+0x411/0x2000 [ 6461.893038][ T74] inet6_addr_add+0x30e/0xa40 [ 6461.893038][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6461.893038][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6461.893038][ T74] netlink_rcv_skb+0x130/0x360 [ 6461.893038][ T74] netlink_unicast+0x449/0x710 [ 6461.893038][ T74] netlink_sendmsg+0x723/0xbe0 [ 6461.893038][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6461.893038][ T74] ___sys_sendmsg+0xee/0x170 [ 6461.893038][ T74] __sys_sendmsg+0xcd/0x170 [ 6461.893038][ T74] do_syscall_64+0xc6/0x1e0 [ 6461.893038][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6461.893038][ T74] [ 6461.895026][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6461.895026][ T74] netdev_get_by_index+0x5e/0x80 [ 6461.895026][ T74] fib6_nh_init+0x3d8/0x1580 [ 6461.895026][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6461.895026][ T74] ip6_route_add+0x1c/0x140 [ 6461.895026][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6461.895026][ T74] addrconf_add_dev+0xe2/0x170 [ 6461.895026][ T74] inet6_addr_add+0x12f/0xa40 [ 6461.895026][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6461.895026][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6461.895026][ T74] netlink_rcv_skb+0x130/0x360 [ 6461.895026][ T74] netlink_unicast+0x449/0x710 [ 6461.895026][ T74] netlink_sendmsg+0x723/0xbe0 [ 6461.895026][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6461.895026][ T74] ___sys_sendmsg+0xee/0x170 [ 6461.895026][ T74] __sys_sendmsg+0xcd/0x170 [ 6461.895026][ T74] do_syscall_64+0xc6/0x1e0 [ 6461.895026][ T74] [ 6461.896975][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6461.896975][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6461.896975][ T74] ipv6_find_idev+0x102/0x170 [ 6461.896975][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6461.896975][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6461.896975][ T74] netlink_rcv_skb+0x130/0x360 [ 6461.896975][ T74] netlink_unicast+0x449/0x710 [ 6461.896975][ T74] netlink_sendmsg+0x723/0xbe0 [ 6461.896975][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6461.896975][ T74] ___sys_sendmsg+0xee/0x170 [ 6461.896975][ T74] __sys_sendmsg+0xcd/0x170 [ 6461.896975][ T74] do_syscall_64+0xc6/0x1e0 [ 6461.896975][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6461.896975][ T74] [ 6461.898633][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6461.898633][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6461.898633][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6461.898633][ T74] ipv6_find_idev+0x102/0x170 [ 6461.898633][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6461.898633][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6461.898633][ T74] netlink_rcv_skb+0x130/0x360 [ 6461.898633][ T74] netlink_unicast+0x449/0x710 [ 6461.898633][ T74] netlink_sendmsg+0x723/0xbe0 [ 6461.898633][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6461.898633][ T74] ___sys_sendmsg+0xee/0x170 [ 6461.898633][ T74] __sys_sendmsg+0xcd/0x170 [ 6461.898633][ T74] do_syscall_64+0xc6/0x1e0 [ 6461.898633][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6461.898633][ T74] [ 6461.900560][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6461.900869][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6461.900869][ T74] netdev_get_by_index+0x5e/0x80 [ 6461.900869][ T74] fib6_nh_init+0x3d8/0x1580 [ 6461.900869][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6461.900869][ T74] ip6_route_add+0x1c/0x140 [ 6461.900869][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6461.900869][ T74] inet6_addr_add+0x4f8/0xa40 [ 6461.900869][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6461.900869][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6461.900869][ T74] netlink_rcv_skb+0x130/0x360 [ 6461.900869][ T74] netlink_unicast+0x449/0x710 [ 6461.900869][ T74] netlink_sendmsg+0x723/0xbe0 [ 6461.900869][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6461.900869][ T74] ___sys_sendmsg+0xee/0x170 [ 6461.900869][ T74] __sys_sendmsg+0xcd/0x170 [ 6461.900869][ T74] do_syscall_64+0xc6/0x1e0 [ 6461.900869][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6461.900869][ T74] [ 6461.903044][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6461.903044][ T74] netdev_get_by_index+0x5e/0x80 [ 6461.903044][ T74] fib6_nh_init+0x3d8/0x1580 [ 6461.903044][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6461.903044][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6461.903044][ T74] ipv6_add_addr+0x411/0x2000 [ 6461.903044][ T74] inet6_addr_add+0x30e/0xa40 [ 6461.903044][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6461.903044][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6461.903044][ T74] netlink_rcv_skb+0x130/0x360 [ 6461.903044][ T74] netlink_unicast+0x449/0x710 [ 6461.903044][ T74] netlink_sendmsg+0x723/0xbe0 [ 6461.903044][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6461.903044][ T74] ___sys_sendmsg+0xee/0x170 [ 6461.903044][ T74] __sys_sendmsg+0xcd/0x170 [ 6461.903044][ T74] do_syscall_64+0xc6/0x1e0 [ 6461.903044][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6461.903044][ T74] [ 6461.905264][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6461.905264][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6461.905264][ T74] ipv6_find_idev+0x102/0x170 [ 6461.905264][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6461.905264][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6461.905264][ T74] netlink_rcv_skb+0x130/0x360 [ 6461.905264][ T74] netlink_unicast+0x449/0x710 [ 6461.905264][ T74] netlink_sendmsg+0x723/0xbe0 [ 6461.905264][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6461.905264][ T74] ___sys_sendmsg+0xee/0x170 [ 6461.905264][ T74] __sys_sendmsg+0xcd/0x170 [ 6461.905264][ T74] do_syscall_64+0xc6/0x1e0 [ 6461.905264][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6461.905264][ T74] [ 6461.906970][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6461.906970][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6461.906970][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6461.906970][ T74] ipv6_find_idev+0x102/0x170 [ 6461.906970][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6461.906970][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6461.906970][ T74] netlink_rcv_skb+0x130/0x360 [ 6461.906970][ T74] netlink_unicast+0x449/0x710 [ 6461.906970][ T74] netlink_sendmsg+0x723/0xbe0 [ 6461.906970][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6461.906970][ T74] ___sys_sendmsg+0xee/0x170 [ 6461.906970][ T74] __sys_sendmsg+0xcd/0x170 [ 6461.906970][ T74] do_syscall_64+0xc6/0x1e0 [ 6461.906970][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6461.906970][ T74] [ 6472.151954][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6472.152380][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6472.152380][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6472.152380][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6472.152380][ T74] fib6_nh_init+0xa22/0x1580 [ 6472.152380][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6472.152380][ T74] ip6_route_add+0x1c/0x140 [ 6472.152380][ T74] inet6_rtm_newroute+0x104/0x110 [ 6472.152380][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6472.152380][ T74] netlink_rcv_skb+0x130/0x360 [ 6472.152380][ T74] netlink_unicast+0x449/0x710 [ 6472.152380][ T74] netlink_sendmsg+0x723/0xbe0 [ 6472.152380][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6472.152380][ T74] ___sys_sendmsg+0xee/0x170 [ 6472.152380][ T74] __sys_sendmsg+0xcd/0x170 [ 6472.152380][ T74] do_syscall_64+0xc6/0x1e0 [ 6472.152380][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6472.152380][ T74] [ 6472.154267][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6472.154267][ T74] netdev_get_by_index+0x5e/0x80 [ 6472.154267][ T74] fib6_nh_init+0x3d8/0x1580 [ 6472.154267][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6472.154267][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6472.154267][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6472.154267][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6472.154267][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6472.154267][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6472.154267][ T74] addrconf_dad_begin+0x310/0x670 [ 6472.154267][ T74] addrconf_dad_work+0x10b/0xab0 [ 6472.154267][ T74] process_one_work+0x84d/0x18a0 [ 6472.154267][ T74] worker_thread+0x587/0xd30 [ 6472.154267][ T74] kthread+0x28a/0x350 [ 6472.154267][ T74] ret_from_fork+0x31/0x70 [ 6472.154267][ T74] ret_from_fork_asm+0x1a/0x30 [ 6472.154267][ T74] [ 6472.156177][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6472.156177][ T74] netdev_get_by_index+0x5e/0x80 [ 6472.156177][ T74] fib6_nh_init+0x3d8/0x1580 [ 6472.156177][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6472.156177][ T74] ip6_route_add+0x1c/0x140 [ 6472.156177][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6472.156177][ T74] inet6_addr_add+0x4f8/0xa40 [ 6472.156177][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6472.156177][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6472.156177][ T74] netlink_rcv_skb+0x130/0x360 [ 6472.156177][ T74] netlink_unicast+0x449/0x710 [ 6472.156177][ T74] netlink_sendmsg+0x723/0xbe0 [ 6472.156177][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6472.156177][ T74] ___sys_sendmsg+0xee/0x170 [ 6472.156177][ T74] __sys_sendmsg+0xcd/0x170 [ 6472.156177][ T74] do_syscall_64+0xc6/0x1e0 [ 6472.156177][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6472.156177][ T74] [ 6472.158185][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6472.158185][ T74] netdev_get_by_index+0x5e/0x80 [ 6472.158185][ T74] fib6_nh_init+0x3d8/0x1580 [ 6472.158185][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6472.158185][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6472.158185][ T74] ipv6_add_addr+0x411/0x2000 [ 6472.158185][ T74] inet6_addr_add+0x30e/0xa40 [ 6472.158185][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6472.158185][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6472.158185][ T74] netlink_rcv_skb+0x130/0x360 [ 6472.158185][ T74] netlink_unicast+0x449/0x710 [ 6472.158185][ T74] netlink_sendmsg+0x723/0xbe0 [ 6472.158185][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6472.158185][ T74] ___sys_sendmsg+0xee/0x170 [ 6472.158185][ T74] __sys_sendmsg+0xcd/0x170 [ 6472.158185][ T74] do_syscall_64+0xc6/0x1e0 [ 6472.158185][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6472.158185][ T74] [ 6472.160187][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6472.160187][ T74] netdev_get_by_index+0x5e/0x80 [ 6472.160187][ T74] fib6_nh_init+0x3d8/0x1580 [ 6472.160187][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6472.160187][ T74] ip6_route_add+0x1c/0x140 [ 6472.160187][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6472.160187][ T74] addrconf_add_dev+0xe2/0x170 [ 6472.160187][ T74] inet6_addr_add+0x12f/0xa40 [ 6472.160187][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6472.160187][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6472.160187][ T74] netlink_rcv_skb+0x130/0x360 [ 6472.160187][ T74] netlink_unicast+0x449/0x710 [ 6472.160187][ T74] netlink_sendmsg+0x723/0xbe0 [ 6472.160187][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6472.160187][ T74] ___sys_sendmsg+0xee/0x170 [ 6472.160187][ T74] __sys_sendmsg+0xcd/0x170 [ 6472.160187][ T74] do_syscall_64+0xc6/0x1e0 [ 6472.160187][ T74] [ 6472.162160][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6472.162160][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6472.162160][ T74] ipv6_find_idev+0x102/0x170 [ 6472.162160][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6472.162160][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6472.162160][ T74] netlink_rcv_skb+0x130/0x360 [ 6472.162160][ T74] netlink_unicast+0x449/0x710 [ 6472.162160][ T74] netlink_sendmsg+0x723/0xbe0 [ 6472.162160][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6472.162160][ T74] ___sys_sendmsg+0xee/0x170 [ 6472.162160][ T74] __sys_sendmsg+0xcd/0x170 [ 6472.162160][ T74] do_syscall_64+0xc6/0x1e0 [ 6472.162160][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6472.162160][ T74] [ 6472.163695][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6472.163695][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6472.163695][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6472.163695][ T74] ipv6_find_idev+0x102/0x170 [ 6472.163695][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6472.163695][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6472.163695][ T74] netlink_rcv_skb+0x130/0x360 [ 6472.163695][ T74] netlink_unicast+0x449/0x710 [ 6472.163695][ T74] netlink_sendmsg+0x723/0xbe0 [ 6472.163695][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6472.163695][ T74] ___sys_sendmsg+0xee/0x170 [ 6472.163695][ T74] __sys_sendmsg+0xcd/0x170 [ 6472.163695][ T74] do_syscall_64+0xc6/0x1e0 [ 6472.163695][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6472.163695][ T74] [ 6472.165376][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6472.165649][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6472.165649][ T74] dst_init+0x84/0x4a0 [ 6472.165649][ T74] dst_alloc+0x97/0x150 [ 6472.165649][ T74] ip6_dst_alloc+0x23/0x90 [ 6472.165649][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6472.165649][ T74] ip6_pol_route+0x56f/0x840 [ 6472.165649][ T74] fib6_rule_lookup+0x456/0x630 [ 6472.165649][ T74] ip6_route_input+0x59c/0xa50 [ 6472.165649][ T74] ipv6_rcv+0x397/0x810 [ 6472.165649][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6472.165649][ T74] process_backlog+0x101/0x620 [ 6472.165649][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6472.165649][ T74] net_rx_action+0x495/0xbe0 [ 6472.165649][ T74] __do_softirq+0x1b5/0x7f6 [ 6472.165649][ T74] [ 6472.167277][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6472.167277][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6472.167277][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6472.167277][ T74] fib6_nh_init+0xa22/0x1580 [ 6472.167277][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6472.167277][ T74] ip6_route_add+0x1c/0x140 [ 6472.167277][ T74] inet6_rtm_newroute+0x104/0x110 [ 6472.167277][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6472.167277][ T74] netlink_rcv_skb+0x130/0x360 [ 6472.167277][ T74] netlink_unicast+0x449/0x710 [ 6472.167277][ T74] netlink_sendmsg+0x723/0xbe0 [ 6472.167277][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6472.167277][ T74] ___sys_sendmsg+0xee/0x170 [ 6472.167277][ T74] __sys_sendmsg+0xcd/0x170 [ 6472.167277][ T74] do_syscall_64+0xc6/0x1e0 [ 6472.167277][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6472.167277][ T74] [ 6472.169158][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6472.169158][ T74] netdev_get_by_index+0x5e/0x80 [ 6472.169158][ T74] fib6_nh_init+0x3d8/0x1580 [ 6472.169158][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6472.169158][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6472.169158][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6472.169158][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6472.169158][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6472.169158][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6472.169158][ T74] addrconf_dad_begin+0x310/0x670 [ 6472.169158][ T74] addrconf_dad_work+0x10b/0xab0 [ 6472.169158][ T74] process_one_work+0x84d/0x18a0 [ 6472.169158][ T74] worker_thread+0x587/0xd30 [ 6472.169158][ T74] kthread+0x28a/0x350 [ 6472.169158][ T74] ret_from_fork+0x31/0x70 [ 6472.169158][ T74] ret_from_fork_asm+0x1a/0x30 [ 6472.169158][ T74] [ 6472.171055][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6472.171055][ T74] netdev_get_by_index+0x5e/0x80 [ 6472.171055][ T74] fib6_nh_init+0x3d8/0x1580 [ 6472.171055][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6472.171055][ T74] ip6_route_add+0x1c/0x140 [ 6472.171055][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6472.171055][ T74] inet6_addr_add+0x4f8/0xa40 [ 6472.171055][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6472.171055][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6472.171055][ T74] netlink_rcv_skb+0x130/0x360 [ 6472.171055][ T74] netlink_unicast+0x449/0x710 [ 6472.171055][ T74] netlink_sendmsg+0x723/0xbe0 [ 6472.171055][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6472.171055][ T74] ___sys_sendmsg+0xee/0x170 [ 6472.171055][ T74] __sys_sendmsg+0xcd/0x170 [ 6472.171055][ T74] do_syscall_64+0xc6/0x1e0 [ 6472.171055][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6472.171055][ T74] [ 6472.173051][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6472.173051][ T74] netdev_get_by_index+0x5e/0x80 [ 6472.173051][ T74] fib6_nh_init+0x3d8/0x1580 [ 6472.173051][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6472.173051][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6472.173051][ T74] ipv6_add_addr+0x411/0x2000 [ 6472.173051][ T74] inet6_addr_add+0x30e/0xa40 [ 6472.173051][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6472.173051][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6472.173051][ T74] netlink_rcv_skb+0x130/0x360 [ 6472.173051][ T74] netlink_unicast+0x449/0x710 [ 6472.173051][ T74] netlink_sendmsg+0x723/0xbe0 [ 6472.173051][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6472.173051][ T74] ___sys_sendmsg+0xee/0x170 [ 6472.173051][ T74] __sys_sendmsg+0xcd/0x170 [ 6472.173051][ T74] do_syscall_64+0xc6/0x1e0 [ 6472.173051][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6472.173051][ T74] [ 6472.175046][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6472.175046][ T74] netdev_get_by_index+0x5e/0x80 [ 6472.175046][ T74] fib6_nh_init+0x3d8/0x1580 [ 6472.175046][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6472.175046][ T74] ip6_route_add+0x1c/0x140 [ 6472.175046][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6472.175046][ T74] addrconf_add_dev+0xe2/0x170 [ 6472.175046][ T74] inet6_addr_add+0x12f/0xa40 [ 6472.175046][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6472.175046][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6472.175046][ T74] netlink_rcv_skb+0x130/0x360 [ 6472.175046][ T74] netlink_unicast+0x449/0x710 [ 6472.175046][ T74] netlink_sendmsg+0x723/0xbe0 [ 6472.175046][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6472.175046][ T74] ___sys_sendmsg+0xee/0x170 [ 6472.175046][ T74] __sys_sendmsg+0xcd/0x170 [ 6472.175046][ T74] do_syscall_64+0xc6/0x1e0 [ 6472.175046][ T74] [ 6472.177009][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6472.177009][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6472.177009][ T74] ipv6_find_idev+0x102/0x170 [ 6472.177009][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6472.177009][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6472.177009][ T74] netlink_rcv_skb+0x130/0x360 [ 6472.177009][ T74] netlink_unicast+0x449/0x710 [ 6472.177009][ T74] netlink_sendmsg+0x723/0xbe0 [ 6472.177009][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6472.177009][ T74] ___sys_sendmsg+0xee/0x170 [ 6472.177009][ T74] __sys_sendmsg+0xcd/0x170 [ 6472.177009][ T74] do_syscall_64+0xc6/0x1e0 [ 6472.177009][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6472.177009][ T74] [ 6472.178678][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6472.178678][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6472.178678][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6472.178678][ T74] ipv6_find_idev+0x102/0x170 [ 6472.178678][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6472.178678][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6472.178678][ T74] netlink_rcv_skb+0x130/0x360 [ 6472.178678][ T74] netlink_unicast+0x449/0x710 [ 6472.178678][ T74] netlink_sendmsg+0x723/0xbe0 [ 6472.178678][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6472.178678][ T74] ___sys_sendmsg+0xee/0x170 [ 6472.178678][ T74] __sys_sendmsg+0xcd/0x170 [ 6472.178678][ T74] do_syscall_64+0xc6/0x1e0 [ 6472.178678][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6472.178678][ T74] [ 6472.180619][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6472.180926][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6472.180926][ T74] netdev_get_by_index+0x5e/0x80 [ 6472.180926][ T74] fib6_nh_init+0x3d8/0x1580 [ 6472.180926][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6472.180926][ T74] ip6_route_add+0x1c/0x140 [ 6472.180926][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6472.180926][ T74] inet6_addr_add+0x4f8/0xa40 [ 6472.180926][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6472.180926][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6472.180926][ T74] netlink_rcv_skb+0x130/0x360 [ 6472.180926][ T74] netlink_unicast+0x449/0x710 [ 6472.180926][ T74] netlink_sendmsg+0x723/0xbe0 [ 6472.180926][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6472.180926][ T74] ___sys_sendmsg+0xee/0x170 [ 6472.180926][ T74] __sys_sendmsg+0xcd/0x170 [ 6472.180926][ T74] do_syscall_64+0xc6/0x1e0 [ 6472.180926][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6472.180926][ T74] [ 6472.183113][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6472.183113][ T74] netdev_get_by_index+0x5e/0x80 [ 6472.183113][ T74] fib6_nh_init+0x3d8/0x1580 [ 6472.183113][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6472.183113][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6472.183113][ T74] ipv6_add_addr+0x411/0x2000 [ 6472.183113][ T74] inet6_addr_add+0x30e/0xa40 [ 6472.183113][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6472.183113][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6472.183113][ T74] netlink_rcv_skb+0x130/0x360 [ 6472.183113][ T74] netlink_unicast+0x449/0x710 [ 6472.183113][ T74] netlink_sendmsg+0x723/0xbe0 [ 6472.183113][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6472.183113][ T74] ___sys_sendmsg+0xee/0x170 [ 6472.183113][ T74] __sys_sendmsg+0xcd/0x170 [ 6472.183113][ T74] do_syscall_64+0xc6/0x1e0 [ 6472.183113][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6472.183113][ T74] [ 6472.185355][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6472.185355][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6472.185355][ T74] ipv6_find_idev+0x102/0x170 [ 6472.185355][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6472.185355][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6472.185355][ T74] netlink_rcv_skb+0x130/0x360 [ 6472.185355][ T74] netlink_unicast+0x449/0x710 [ 6472.185355][ T74] netlink_sendmsg+0x723/0xbe0 [ 6472.185355][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6472.185355][ T74] ___sys_sendmsg+0xee/0x170 [ 6472.185355][ T74] __sys_sendmsg+0xcd/0x170 [ 6472.185355][ T74] do_syscall_64+0xc6/0x1e0 [ 6472.185355][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6472.185355][ T74] [ 6472.187073][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6472.187073][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6472.187073][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6472.187073][ T74] ipv6_find_idev+0x102/0x170 [ 6472.187073][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6472.187073][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6472.187073][ T74] netlink_rcv_skb+0x130/0x360 [ 6472.187073][ T74] netlink_unicast+0x449/0x710 [ 6472.187073][ T74] netlink_sendmsg+0x723/0xbe0 [ 6472.187073][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6472.187073][ T74] ___sys_sendmsg+0xee/0x170 [ 6472.187073][ T74] __sys_sendmsg+0xcd/0x170 [ 6472.187073][ T74] do_syscall_64+0xc6/0x1e0 [ 6472.187073][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6472.187073][ T74] [ 6482.431979][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6482.432332][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6482.432332][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6482.432332][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6482.432332][ T74] fib6_nh_init+0xa22/0x1580 [ 6482.432332][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6482.432332][ T74] ip6_route_add+0x1c/0x140 [ 6482.432332][ T74] inet6_rtm_newroute+0x104/0x110 [ 6482.432332][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6482.432332][ T74] netlink_rcv_skb+0x130/0x360 [ 6482.432332][ T74] netlink_unicast+0x449/0x710 [ 6482.432332][ T74] netlink_sendmsg+0x723/0xbe0 [ 6482.432332][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6482.432332][ T74] ___sys_sendmsg+0xee/0x170 [ 6482.432332][ T74] __sys_sendmsg+0xcd/0x170 [ 6482.432332][ T74] do_syscall_64+0xc6/0x1e0 [ 6482.432332][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6482.432332][ T74] [ 6482.434223][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6482.434223][ T74] netdev_get_by_index+0x5e/0x80 [ 6482.434223][ T74] fib6_nh_init+0x3d8/0x1580 [ 6482.434223][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6482.434223][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6482.434223][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6482.434223][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6482.434223][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6482.434223][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6482.434223][ T74] addrconf_dad_begin+0x310/0x670 [ 6482.434223][ T74] addrconf_dad_work+0x10b/0xab0 [ 6482.434223][ T74] process_one_work+0x84d/0x18a0 [ 6482.434223][ T74] worker_thread+0x587/0xd30 [ 6482.434223][ T74] kthread+0x28a/0x350 [ 6482.434223][ T74] ret_from_fork+0x31/0x70 [ 6482.434223][ T74] ret_from_fork_asm+0x1a/0x30 [ 6482.434223][ T74] [ 6482.436135][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6482.436135][ T74] netdev_get_by_index+0x5e/0x80 [ 6482.436135][ T74] fib6_nh_init+0x3d8/0x1580 [ 6482.436135][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6482.436135][ T74] ip6_route_add+0x1c/0x140 [ 6482.436135][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6482.436135][ T74] inet6_addr_add+0x4f8/0xa40 [ 6482.436135][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6482.436135][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6482.436135][ T74] netlink_rcv_skb+0x130/0x360 [ 6482.436135][ T74] netlink_unicast+0x449/0x710 [ 6482.436135][ T74] netlink_sendmsg+0x723/0xbe0 [ 6482.436135][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6482.436135][ T74] ___sys_sendmsg+0xee/0x170 [ 6482.436135][ T74] __sys_sendmsg+0xcd/0x170 [ 6482.436135][ T74] do_syscall_64+0xc6/0x1e0 [ 6482.436135][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6482.436135][ T74] [ 6482.438138][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6482.438138][ T74] netdev_get_by_index+0x5e/0x80 [ 6482.438138][ T74] fib6_nh_init+0x3d8/0x1580 [ 6482.438138][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6482.438138][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6482.438138][ T74] ipv6_add_addr+0x411/0x2000 [ 6482.438138][ T74] inet6_addr_add+0x30e/0xa40 [ 6482.438138][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6482.438138][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6482.438138][ T74] netlink_rcv_skb+0x130/0x360 [ 6482.438138][ T74] netlink_unicast+0x449/0x710 [ 6482.438138][ T74] netlink_sendmsg+0x723/0xbe0 [ 6482.438138][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6482.438138][ T74] ___sys_sendmsg+0xee/0x170 [ 6482.438138][ T74] __sys_sendmsg+0xcd/0x170 [ 6482.438138][ T74] do_syscall_64+0xc6/0x1e0 [ 6482.438138][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6482.438138][ T74] [ 6482.440134][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6482.440134][ T74] netdev_get_by_index+0x5e/0x80 [ 6482.440134][ T74] fib6_nh_init+0x3d8/0x1580 [ 6482.440134][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6482.440134][ T74] ip6_route_add+0x1c/0x140 [ 6482.440134][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6482.440134][ T74] addrconf_add_dev+0xe2/0x170 [ 6482.440134][ T74] inet6_addr_add+0x12f/0xa40 [ 6482.440134][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6482.440134][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6482.440134][ T74] netlink_rcv_skb+0x130/0x360 [ 6482.440134][ T74] netlink_unicast+0x449/0x710 [ 6482.440134][ T74] netlink_sendmsg+0x723/0xbe0 [ 6482.440134][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6482.440134][ T74] ___sys_sendmsg+0xee/0x170 [ 6482.440134][ T74] __sys_sendmsg+0xcd/0x170 [ 6482.440134][ T74] do_syscall_64+0xc6/0x1e0 [ 6482.440134][ T74] [ 6482.442094][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6482.442094][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6482.442094][ T74] ipv6_find_idev+0x102/0x170 [ 6482.442094][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6482.442094][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6482.442094][ T74] netlink_rcv_skb+0x130/0x360 [ 6482.442094][ T74] netlink_unicast+0x449/0x710 [ 6482.442094][ T74] netlink_sendmsg+0x723/0xbe0 [ 6482.442094][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6482.442094][ T74] ___sys_sendmsg+0xee/0x170 [ 6482.442094][ T74] __sys_sendmsg+0xcd/0x170 [ 6482.442094][ T74] do_syscall_64+0xc6/0x1e0 [ 6482.442094][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6482.442094][ T74] [ 6482.443633][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6482.443633][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6482.443633][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6482.443633][ T74] ipv6_find_idev+0x102/0x170 [ 6482.443633][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6482.443633][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6482.443633][ T74] netlink_rcv_skb+0x130/0x360 [ 6482.443633][ T74] netlink_unicast+0x449/0x710 [ 6482.443633][ T74] netlink_sendmsg+0x723/0xbe0 [ 6482.443633][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6482.443633][ T74] ___sys_sendmsg+0xee/0x170 [ 6482.443633][ T74] __sys_sendmsg+0xcd/0x170 [ 6482.443633][ T74] do_syscall_64+0xc6/0x1e0 [ 6482.443633][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6482.443633][ T74] [ 6482.445314][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6482.445585][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6482.445585][ T74] dst_init+0x84/0x4a0 [ 6482.445585][ T74] dst_alloc+0x97/0x150 [ 6482.445585][ T74] ip6_dst_alloc+0x23/0x90 [ 6482.445585][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6482.445585][ T74] ip6_pol_route+0x56f/0x840 [ 6482.445585][ T74] fib6_rule_lookup+0x456/0x630 [ 6482.445585][ T74] ip6_route_input+0x59c/0xa50 [ 6482.445585][ T74] ipv6_rcv+0x397/0x810 [ 6482.445585][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6482.445585][ T74] process_backlog+0x101/0x620 [ 6482.445585][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6482.445585][ T74] net_rx_action+0x495/0xbe0 [ 6482.445585][ T74] __do_softirq+0x1b5/0x7f6 [ 6482.445585][ T74] [ 6482.447220][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6482.447220][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6482.447220][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6482.447220][ T74] fib6_nh_init+0xa22/0x1580 [ 6482.447220][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6482.447220][ T74] ip6_route_add+0x1c/0x140 [ 6482.447220][ T74] inet6_rtm_newroute+0x104/0x110 [ 6482.447220][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6482.447220][ T74] netlink_rcv_skb+0x130/0x360 [ 6482.447220][ T74] netlink_unicast+0x449/0x710 [ 6482.447220][ T74] netlink_sendmsg+0x723/0xbe0 [ 6482.447220][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6482.447220][ T74] ___sys_sendmsg+0xee/0x170 [ 6482.447220][ T74] __sys_sendmsg+0xcd/0x170 [ 6482.447220][ T74] do_syscall_64+0xc6/0x1e0 [ 6482.447220][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6482.447220][ T74] [ 6482.449105][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6482.449105][ T74] netdev_get_by_index+0x5e/0x80 [ 6482.449105][ T74] fib6_nh_init+0x3d8/0x1580 [ 6482.449105][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6482.449105][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6482.449105][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6482.449105][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6482.449105][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6482.449105][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6482.449105][ T74] addrconf_dad_begin+0x310/0x670 [ 6482.449105][ T74] addrconf_dad_work+0x10b/0xab0 [ 6482.449105][ T74] process_one_work+0x84d/0x18a0 [ 6482.449105][ T74] worker_thread+0x587/0xd30 [ 6482.449105][ T74] kthread+0x28a/0x350 [ 6482.449105][ T74] ret_from_fork+0x31/0x70 [ 6482.449105][ T74] ret_from_fork_asm+0x1a/0x30 [ 6482.449105][ T74] [ 6482.451025][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6482.451025][ T74] netdev_get_by_index+0x5e/0x80 [ 6482.451025][ T74] fib6_nh_init+0x3d8/0x1580 [ 6482.451025][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6482.451025][ T74] ip6_route_add+0x1c/0x140 [ 6482.451025][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6482.451025][ T74] inet6_addr_add+0x4f8/0xa40 [ 6482.451025][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6482.451025][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6482.451025][ T74] netlink_rcv_skb+0x130/0x360 [ 6482.451025][ T74] netlink_unicast+0x449/0x710 [ 6482.451025][ T74] netlink_sendmsg+0x723/0xbe0 [ 6482.451025][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6482.451025][ T74] ___sys_sendmsg+0xee/0x170 [ 6482.451025][ T74] __sys_sendmsg+0xcd/0x170 [ 6482.451025][ T74] do_syscall_64+0xc6/0x1e0 [ 6482.451025][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6482.451025][ T74] [ 6482.453028][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6482.453028][ T74] netdev_get_by_index+0x5e/0x80 [ 6482.453028][ T74] fib6_nh_init+0x3d8/0x1580 [ 6482.453028][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6482.453028][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6482.453028][ T74] ipv6_add_addr+0x411/0x2000 [ 6482.453028][ T74] inet6_addr_add+0x30e/0xa40 [ 6482.453028][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6482.453028][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6482.453028][ T74] netlink_rcv_skb+0x130/0x360 [ 6482.453028][ T74] netlink_unicast+0x449/0x710 [ 6482.453028][ T74] netlink_sendmsg+0x723/0xbe0 [ 6482.453028][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6482.453028][ T74] ___sys_sendmsg+0xee/0x170 [ 6482.453028][ T74] __sys_sendmsg+0xcd/0x170 [ 6482.453028][ T74] do_syscall_64+0xc6/0x1e0 [ 6482.453028][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6482.453028][ T74] [ 6482.455029][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6482.455029][ T74] netdev_get_by_index+0x5e/0x80 [ 6482.455029][ T74] fib6_nh_init+0x3d8/0x1580 [ 6482.455029][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6482.455029][ T74] ip6_route_add+0x1c/0x140 [ 6482.455029][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6482.455029][ T74] addrconf_add_dev+0xe2/0x170 [ 6482.455029][ T74] inet6_addr_add+0x12f/0xa40 [ 6482.455029][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6482.455029][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6482.455029][ T74] netlink_rcv_skb+0x130/0x360 [ 6482.455029][ T74] netlink_unicast+0x449/0x710 [ 6482.455029][ T74] netlink_sendmsg+0x723/0xbe0 [ 6482.455029][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6482.455029][ T74] ___sys_sendmsg+0xee/0x170 [ 6482.455029][ T74] __sys_sendmsg+0xcd/0x170 [ 6482.455029][ T74] do_syscall_64+0xc6/0x1e0 [ 6482.455029][ T74] [ 6482.456982][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6482.456982][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6482.456982][ T74] ipv6_find_idev+0x102/0x170 [ 6482.456982][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6482.456982][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6482.456982][ T74] netlink_rcv_skb+0x130/0x360 [ 6482.456982][ T74] netlink_unicast+0x449/0x710 [ 6482.456982][ T74] netlink_sendmsg+0x723/0xbe0 [ 6482.456982][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6482.456982][ T74] ___sys_sendmsg+0xee/0x170 [ 6482.456982][ T74] __sys_sendmsg+0xcd/0x170 [ 6482.456982][ T74] do_syscall_64+0xc6/0x1e0 [ 6482.456982][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6482.456982][ T74] [ 6482.458608][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6482.458608][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6482.458608][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6482.458608][ T74] ipv6_find_idev+0x102/0x170 [ 6482.458608][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6482.458608][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6482.458608][ T74] netlink_rcv_skb+0x130/0x360 [ 6482.458608][ T74] netlink_unicast+0x449/0x710 [ 6482.458608][ T74] netlink_sendmsg+0x723/0xbe0 [ 6482.458608][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6482.458608][ T74] ___sys_sendmsg+0xee/0x170 [ 6482.458608][ T74] __sys_sendmsg+0xcd/0x170 [ 6482.458608][ T74] do_syscall_64+0xc6/0x1e0 [ 6482.458608][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6482.458608][ T74] [ 6482.460429][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6482.460730][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6482.460730][ T74] netdev_get_by_index+0x5e/0x80 [ 6482.460730][ T74] fib6_nh_init+0x3d8/0x1580 [ 6482.460730][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6482.460730][ T74] ip6_route_add+0x1c/0x140 [ 6482.460730][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6482.460730][ T74] inet6_addr_add+0x4f8/0xa40 [ 6482.460730][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6482.460730][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6482.460730][ T74] netlink_rcv_skb+0x130/0x360 [ 6482.460730][ T74] netlink_unicast+0x449/0x710 [ 6482.460730][ T74] netlink_sendmsg+0x723/0xbe0 [ 6482.460730][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6482.460730][ T74] ___sys_sendmsg+0xee/0x170 [ 6482.460730][ T74] __sys_sendmsg+0xcd/0x170 [ 6482.460730][ T74] do_syscall_64+0xc6/0x1e0 [ 6482.460730][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6482.460730][ T74] [ 6482.462794][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6482.462794][ T74] netdev_get_by_index+0x5e/0x80 [ 6482.462794][ T74] fib6_nh_init+0x3d8/0x1580 [ 6482.462794][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6482.462794][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6482.462794][ T74] ipv6_add_addr+0x411/0x2000 [ 6482.462794][ T74] inet6_addr_add+0x30e/0xa40 [ 6482.462794][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6482.462794][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6482.462794][ T74] netlink_rcv_skb+0x130/0x360 [ 6482.462794][ T74] netlink_unicast+0x449/0x710 [ 6482.462794][ T74] netlink_sendmsg+0x723/0xbe0 [ 6482.462794][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6482.462794][ T74] ___sys_sendmsg+0xee/0x170 [ 6482.462794][ T74] __sys_sendmsg+0xcd/0x170 [ 6482.462794][ T74] do_syscall_64+0xc6/0x1e0 [ 6482.462794][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6482.462794][ T74] [ 6482.464920][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6482.464920][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6482.464920][ T74] ipv6_find_idev+0x102/0x170 [ 6482.464920][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6482.464920][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6482.464920][ T74] netlink_rcv_skb+0x130/0x360 [ 6482.464920][ T74] netlink_unicast+0x449/0x710 [ 6482.464920][ T74] netlink_sendmsg+0x723/0xbe0 [ 6482.464920][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6482.464920][ T74] ___sys_sendmsg+0xee/0x170 [ 6482.464920][ T74] __sys_sendmsg+0xcd/0x170 [ 6482.464920][ T74] do_syscall_64+0xc6/0x1e0 [ 6482.464920][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6482.464920][ T74] [ 6482.466578][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6482.466578][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6482.466578][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6482.466578][ T74] ipv6_find_idev+0x102/0x170 [ 6482.466578][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6482.466578][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6482.466578][ T74] netlink_rcv_skb+0x130/0x360 [ 6482.466578][ T74] netlink_unicast+0x449/0x710 [ 6482.466578][ T74] netlink_sendmsg+0x723/0xbe0 [ 6482.466578][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6482.466578][ T74] ___sys_sendmsg+0xee/0x170 [ 6482.466578][ T74] __sys_sendmsg+0xcd/0x170 [ 6482.466578][ T74] do_syscall_64+0xc6/0x1e0 [ 6482.466578][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6482.466578][ T74] [ 6492.543989][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6492.544408][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6492.544408][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6492.544408][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6492.544408][ T74] fib6_nh_init+0xa22/0x1580 [ 6492.544408][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6492.544408][ T74] ip6_route_add+0x1c/0x140 [ 6492.544408][ T74] inet6_rtm_newroute+0x104/0x110 [ 6492.544408][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6492.544408][ T74] netlink_rcv_skb+0x130/0x360 [ 6492.544408][ T74] netlink_unicast+0x449/0x710 [ 6492.544408][ T74] netlink_sendmsg+0x723/0xbe0 [ 6492.544408][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6492.544408][ T74] ___sys_sendmsg+0xee/0x170 [ 6492.544408][ T74] __sys_sendmsg+0xcd/0x170 [ 6492.544408][ T74] do_syscall_64+0xc6/0x1e0 [ 6492.544408][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6492.544408][ T74] [ 6492.546294][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6492.546294][ T74] netdev_get_by_index+0x5e/0x80 [ 6492.546294][ T74] fib6_nh_init+0x3d8/0x1580 [ 6492.546294][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6492.546294][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6492.546294][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6492.546294][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6492.546294][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6492.546294][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6492.546294][ T74] addrconf_dad_begin+0x310/0x670 [ 6492.546294][ T74] addrconf_dad_work+0x10b/0xab0 [ 6492.546294][ T74] process_one_work+0x84d/0x18a0 [ 6492.546294][ T74] worker_thread+0x587/0xd30 [ 6492.546294][ T74] kthread+0x28a/0x350 [ 6492.546294][ T74] ret_from_fork+0x31/0x70 [ 6492.546294][ T74] ret_from_fork_asm+0x1a/0x30 [ 6492.546294][ T74] [ 6492.548255][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6492.548255][ T74] netdev_get_by_index+0x5e/0x80 [ 6492.548255][ T74] fib6_nh_init+0x3d8/0x1580 [ 6492.548255][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6492.548255][ T74] ip6_route_add+0x1c/0x140 [ 6492.548255][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6492.548255][ T74] inet6_addr_add+0x4f8/0xa40 [ 6492.548255][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6492.548255][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6492.548255][ T74] netlink_rcv_skb+0x130/0x360 [ 6492.548255][ T74] netlink_unicast+0x449/0x710 [ 6492.548255][ T74] netlink_sendmsg+0x723/0xbe0 [ 6492.548255][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6492.548255][ T74] ___sys_sendmsg+0xee/0x170 [ 6492.548255][ T74] __sys_sendmsg+0xcd/0x170 [ 6492.548255][ T74] do_syscall_64+0xc6/0x1e0 [ 6492.548255][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6492.548255][ T74] [ 6492.550253][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6492.550253][ T74] netdev_get_by_index+0x5e/0x80 [ 6492.550253][ T74] fib6_nh_init+0x3d8/0x1580 [ 6492.550253][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6492.550253][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6492.550253][ T74] ipv6_add_addr+0x411/0x2000 [ 6492.550253][ T74] inet6_addr_add+0x30e/0xa40 [ 6492.550253][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6492.550253][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6492.550253][ T74] netlink_rcv_skb+0x130/0x360 [ 6492.550253][ T74] netlink_unicast+0x449/0x710 [ 6492.550253][ T74] netlink_sendmsg+0x723/0xbe0 [ 6492.550253][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6492.550253][ T74] ___sys_sendmsg+0xee/0x170 [ 6492.550253][ T74] __sys_sendmsg+0xcd/0x170 [ 6492.550253][ T74] do_syscall_64+0xc6/0x1e0 [ 6492.550253][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6492.550253][ T74] [ 6492.552251][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6492.552251][ T74] netdev_get_by_index+0x5e/0x80 [ 6492.552251][ T74] fib6_nh_init+0x3d8/0x1580 [ 6492.552251][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6492.552251][ T74] ip6_route_add+0x1c/0x140 [ 6492.552251][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6492.552251][ T74] addrconf_add_dev+0xe2/0x170 [ 6492.552251][ T74] inet6_addr_add+0x12f/0xa40 [ 6492.552251][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6492.552251][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6492.552251][ T74] netlink_rcv_skb+0x130/0x360 [ 6492.552251][ T74] netlink_unicast+0x449/0x710 [ 6492.552251][ T74] netlink_sendmsg+0x723/0xbe0 [ 6492.552251][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6492.552251][ T74] ___sys_sendmsg+0xee/0x170 [ 6492.552251][ T74] __sys_sendmsg+0xcd/0x170 [ 6492.552251][ T74] do_syscall_64+0xc6/0x1e0 [ 6492.552251][ T74] [ 6492.554223][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6492.554223][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6492.554223][ T74] ipv6_find_idev+0x102/0x170 [ 6492.554223][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6492.554223][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6492.554223][ T74] netlink_rcv_skb+0x130/0x360 [ 6492.554223][ T74] netlink_unicast+0x449/0x710 [ 6492.554223][ T74] netlink_sendmsg+0x723/0xbe0 [ 6492.554223][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6492.554223][ T74] ___sys_sendmsg+0xee/0x170 [ 6492.554223][ T74] __sys_sendmsg+0xcd/0x170 [ 6492.554223][ T74] do_syscall_64+0xc6/0x1e0 [ 6492.554223][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6492.554223][ T74] [ 6492.555761][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6492.555761][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6492.555761][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6492.555761][ T74] ipv6_find_idev+0x102/0x170 [ 6492.555761][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6492.555761][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6492.555761][ T74] netlink_rcv_skb+0x130/0x360 [ 6492.555761][ T74] netlink_unicast+0x449/0x710 [ 6492.555761][ T74] netlink_sendmsg+0x723/0xbe0 [ 6492.555761][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6492.555761][ T74] ___sys_sendmsg+0xee/0x170 [ 6492.555761][ T74] __sys_sendmsg+0xcd/0x170 [ 6492.555761][ T74] do_syscall_64+0xc6/0x1e0 [ 6492.555761][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6492.555761][ T74] [ 6492.557440][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6492.557710][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6492.557710][ T74] dst_init+0x84/0x4a0 [ 6492.557710][ T74] dst_alloc+0x97/0x150 [ 6492.557710][ T74] ip6_dst_alloc+0x23/0x90 [ 6492.557710][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6492.557710][ T74] ip6_pol_route+0x56f/0x840 [ 6492.557710][ T74] fib6_rule_lookup+0x456/0x630 [ 6492.557710][ T74] ip6_route_input+0x59c/0xa50 [ 6492.557710][ T74] ipv6_rcv+0x397/0x810 [ 6492.557710][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6492.557710][ T74] process_backlog+0x101/0x620 [ 6492.557710][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6492.557710][ T74] net_rx_action+0x495/0xbe0 [ 6492.557710][ T74] __do_softirq+0x1b5/0x7f6 [ 6492.557710][ T74] [ 6492.559342][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6492.559342][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6492.559342][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6492.559342][ T74] fib6_nh_init+0xa22/0x1580 [ 6492.559342][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6492.559342][ T74] ip6_route_add+0x1c/0x140 [ 6492.559342][ T74] inet6_rtm_newroute+0x104/0x110 [ 6492.559342][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6492.559342][ T74] netlink_rcv_skb+0x130/0x360 [ 6492.559342][ T74] netlink_unicast+0x449/0x710 [ 6492.559342][ T74] netlink_sendmsg+0x723/0xbe0 [ 6492.559342][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6492.559342][ T74] ___sys_sendmsg+0xee/0x170 [ 6492.559342][ T74] __sys_sendmsg+0xcd/0x170 [ 6492.559342][ T74] do_syscall_64+0xc6/0x1e0 [ 6492.559342][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6492.559342][ T74] [ 6492.561213][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6492.561213][ T74] netdev_get_by_index+0x5e/0x80 [ 6492.561213][ T74] fib6_nh_init+0x3d8/0x1580 [ 6492.561213][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6492.561213][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6492.561213][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6492.561213][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6492.561213][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6492.561213][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6492.561213][ T74] addrconf_dad_begin+0x310/0x670 [ 6492.561213][ T74] addrconf_dad_work+0x10b/0xab0 [ 6492.561213][ T74] process_one_work+0x84d/0x18a0 [ 6492.561213][ T74] worker_thread+0x587/0xd30 [ 6492.561213][ T74] kthread+0x28a/0x350 [ 6492.561213][ T74] ret_from_fork+0x31/0x70 [ 6492.561213][ T74] ret_from_fork_asm+0x1a/0x30 [ 6492.561213][ T74] [ 6492.563111][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6492.563111][ T74] netdev_get_by_index+0x5e/0x80 [ 6492.563111][ T74] fib6_nh_init+0x3d8/0x1580 [ 6492.563111][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6492.563111][ T74] ip6_route_add+0x1c/0x140 [ 6492.563111][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6492.563111][ T74] inet6_addr_add+0x4f8/0xa40 [ 6492.563111][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6492.563111][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6492.563111][ T74] netlink_rcv_skb+0x130/0x360 [ 6492.563111][ T74] netlink_unicast+0x449/0x710 [ 6492.563111][ T74] netlink_sendmsg+0x723/0xbe0 [ 6492.563111][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6492.563111][ T74] ___sys_sendmsg+0xee/0x170 [ 6492.563111][ T74] __sys_sendmsg+0xcd/0x170 [ 6492.563111][ T74] do_syscall_64+0xc6/0x1e0 [ 6492.563111][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6492.563111][ T74] [ 6492.565103][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6492.565103][ T74] netdev_get_by_index+0x5e/0x80 [ 6492.565103][ T74] fib6_nh_init+0x3d8/0x1580 [ 6492.565103][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6492.565103][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6492.565103][ T74] ipv6_add_addr+0x411/0x2000 [ 6492.565103][ T74] inet6_addr_add+0x30e/0xa40 [ 6492.565103][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6492.565103][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6492.565103][ T74] netlink_rcv_skb+0x130/0x360 [ 6492.565103][ T74] netlink_unicast+0x449/0x710 [ 6492.565103][ T74] netlink_sendmsg+0x723/0xbe0 [ 6492.565103][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6492.565103][ T74] ___sys_sendmsg+0xee/0x170 [ 6492.565103][ T74] __sys_sendmsg+0xcd/0x170 [ 6492.565103][ T74] do_syscall_64+0xc6/0x1e0 [ 6492.565103][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6492.565103][ T74] [ 6492.567099][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6492.567099][ T74] netdev_get_by_index+0x5e/0x80 [ 6492.567099][ T74] fib6_nh_init+0x3d8/0x1580 [ 6492.567099][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6492.567099][ T74] ip6_route_add+0x1c/0x140 [ 6492.567099][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6492.567099][ T74] addrconf_add_dev+0xe2/0x170 [ 6492.567099][ T74] inet6_addr_add+0x12f/0xa40 [ 6492.567099][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6492.567099][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6492.567099][ T74] netlink_rcv_skb+0x130/0x360 [ 6492.567099][ T74] netlink_unicast+0x449/0x710 [ 6492.567099][ T74] netlink_sendmsg+0x723/0xbe0 [ 6492.567099][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6492.567099][ T74] ___sys_sendmsg+0xee/0x170 [ 6492.567099][ T74] __sys_sendmsg+0xcd/0x170 [ 6492.567099][ T74] do_syscall_64+0xc6/0x1e0 [ 6492.567099][ T74] [ 6492.569065][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6492.569065][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6492.569065][ T74] ipv6_find_idev+0x102/0x170 [ 6492.569065][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6492.569065][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6492.569065][ T74] netlink_rcv_skb+0x130/0x360 [ 6492.569065][ T74] netlink_unicast+0x449/0x710 [ 6492.569065][ T74] netlink_sendmsg+0x723/0xbe0 [ 6492.569065][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6492.569065][ T74] ___sys_sendmsg+0xee/0x170 [ 6492.569065][ T74] __sys_sendmsg+0xcd/0x170 [ 6492.569065][ T74] do_syscall_64+0xc6/0x1e0 [ 6492.569065][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6492.569065][ T74] [ 6492.570733][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6492.570733][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6492.570733][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6492.570733][ T74] ipv6_find_idev+0x102/0x170 [ 6492.570733][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6492.570733][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6492.570733][ T74] netlink_rcv_skb+0x130/0x360 [ 6492.570733][ T74] netlink_unicast+0x449/0x710 [ 6492.570733][ T74] netlink_sendmsg+0x723/0xbe0 [ 6492.570733][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6492.570733][ T74] ___sys_sendmsg+0xee/0x170 [ 6492.570733][ T74] __sys_sendmsg+0xcd/0x170 [ 6492.570733][ T74] do_syscall_64+0xc6/0x1e0 [ 6492.570733][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6492.570733][ T74] [ 6492.572659][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6492.572917][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6492.572917][ T74] netdev_get_by_index+0x5e/0x80 [ 6492.572917][ T74] fib6_nh_init+0x3d8/0x1580 [ 6492.572917][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6492.572917][ T74] ip6_route_add+0x1c/0x140 [ 6492.572917][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6492.572917][ T74] inet6_addr_add+0x4f8/0xa40 [ 6492.572917][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6492.572917][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6492.572917][ T74] netlink_rcv_skb+0x130/0x360 [ 6492.572917][ T74] netlink_unicast+0x449/0x710 [ 6492.572917][ T74] netlink_sendmsg+0x723/0xbe0 [ 6492.572917][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6492.572917][ T74] ___sys_sendmsg+0xee/0x170 [ 6492.572917][ T74] __sys_sendmsg+0xcd/0x170 [ 6492.572917][ T74] do_syscall_64+0xc6/0x1e0 [ 6492.572917][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6492.572917][ T74] [ 6492.575219][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6492.575219][ T74] netdev_get_by_index+0x5e/0x80 [ 6492.575219][ T74] fib6_nh_init+0x3d8/0x1580 [ 6492.575219][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6492.575219][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6492.575219][ T74] ipv6_add_addr+0x411/0x2000 [ 6492.575219][ T74] inet6_addr_add+0x30e/0xa40 [ 6492.575219][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6492.575219][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6492.575219][ T74] netlink_rcv_skb+0x130/0x360 [ 6492.575219][ T74] netlink_unicast+0x449/0x710 [ 6492.575219][ T74] netlink_sendmsg+0x723/0xbe0 [ 6492.575219][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6492.575219][ T74] ___sys_sendmsg+0xee/0x170 [ 6492.575219][ T74] __sys_sendmsg+0xcd/0x170 [ 6492.575219][ T74] do_syscall_64+0xc6/0x1e0 [ 6492.575219][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6492.575219][ T74] [ 6492.577450][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6492.577450][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6492.577450][ T74] ipv6_find_idev+0x102/0x170 [ 6492.577450][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6492.577450][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6492.577450][ T74] netlink_rcv_skb+0x130/0x360 [ 6492.577450][ T74] netlink_unicast+0x449/0x710 [ 6492.577450][ T74] netlink_sendmsg+0x723/0xbe0 [ 6492.577450][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6492.577450][ T74] ___sys_sendmsg+0xee/0x170 [ 6492.577450][ T74] __sys_sendmsg+0xcd/0x170 [ 6492.577450][ T74] do_syscall_64+0xc6/0x1e0 [ 6492.577450][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6492.577450][ T74] [ 6492.579173][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6492.579173][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6492.579173][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6492.579173][ T74] ipv6_find_idev+0x102/0x170 [ 6492.579173][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6492.579173][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6492.579173][ T74] netlink_rcv_skb+0x130/0x360 [ 6492.579173][ T74] netlink_unicast+0x449/0x710 [ 6492.579173][ T74] netlink_sendmsg+0x723/0xbe0 [ 6492.579173][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6492.579173][ T74] ___sys_sendmsg+0xee/0x170 [ 6492.579173][ T74] __sys_sendmsg+0xcd/0x170 [ 6492.579173][ T74] do_syscall_64+0xc6/0x1e0 [ 6492.579173][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6492.579173][ T74] [ 6502.703953][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6502.704307][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6502.704307][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6502.704307][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6502.704307][ T74] fib6_nh_init+0xa22/0x1580 [ 6502.704307][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6502.704307][ T74] ip6_route_add+0x1c/0x140 [ 6502.704307][ T74] inet6_rtm_newroute+0x104/0x110 [ 6502.704307][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6502.704307][ T74] netlink_rcv_skb+0x130/0x360 [ 6502.704307][ T74] netlink_unicast+0x449/0x710 [ 6502.704307][ T74] netlink_sendmsg+0x723/0xbe0 [ 6502.704307][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6502.704307][ T74] ___sys_sendmsg+0xee/0x170 [ 6502.704307][ T74] __sys_sendmsg+0xcd/0x170 [ 6502.704307][ T74] do_syscall_64+0xc6/0x1e0 [ 6502.704307][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6502.704307][ T74] [ 6502.706214][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6502.706214][ T74] netdev_get_by_index+0x5e/0x80 [ 6502.706214][ T74] fib6_nh_init+0x3d8/0x1580 [ 6502.706214][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6502.706214][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6502.706214][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6502.706214][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6502.706214][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6502.706214][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6502.706214][ T74] addrconf_dad_begin+0x310/0x670 [ 6502.706214][ T74] addrconf_dad_work+0x10b/0xab0 [ 6502.706214][ T74] process_one_work+0x84d/0x18a0 [ 6502.706214][ T74] worker_thread+0x587/0xd30 [ 6502.706214][ T74] kthread+0x28a/0x350 [ 6502.706214][ T74] ret_from_fork+0x31/0x70 [ 6502.706214][ T74] ret_from_fork_asm+0x1a/0x30 [ 6502.706214][ T74] [ 6502.708137][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6502.708137][ T74] netdev_get_by_index+0x5e/0x80 [ 6502.708137][ T74] fib6_nh_init+0x3d8/0x1580 [ 6502.708137][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6502.708137][ T74] ip6_route_add+0x1c/0x140 [ 6502.708137][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6502.708137][ T74] inet6_addr_add+0x4f8/0xa40 [ 6502.708137][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6502.708137][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6502.708137][ T74] netlink_rcv_skb+0x130/0x360 [ 6502.708137][ T74] netlink_unicast+0x449/0x710 [ 6502.708137][ T74] netlink_sendmsg+0x723/0xbe0 [ 6502.708137][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6502.708137][ T74] ___sys_sendmsg+0xee/0x170 [ 6502.708137][ T74] __sys_sendmsg+0xcd/0x170 [ 6502.708137][ T74] do_syscall_64+0xc6/0x1e0 [ 6502.708137][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6502.708137][ T74] [ 6502.710136][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6502.710136][ T74] netdev_get_by_index+0x5e/0x80 [ 6502.710136][ T74] fib6_nh_init+0x3d8/0x1580 [ 6502.710136][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6502.710136][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6502.710136][ T74] ipv6_add_addr+0x411/0x2000 [ 6502.710136][ T74] inet6_addr_add+0x30e/0xa40 [ 6502.710136][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6502.710136][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6502.710136][ T74] netlink_rcv_skb+0x130/0x360 [ 6502.710136][ T74] netlink_unicast+0x449/0x710 [ 6502.710136][ T74] netlink_sendmsg+0x723/0xbe0 [ 6502.710136][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6502.710136][ T74] ___sys_sendmsg+0xee/0x170 [ 6502.710136][ T74] __sys_sendmsg+0xcd/0x170 [ 6502.710136][ T74] do_syscall_64+0xc6/0x1e0 [ 6502.710136][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6502.710136][ T74] [ 6502.712137][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6502.712137][ T74] netdev_get_by_index+0x5e/0x80 [ 6502.712137][ T74] fib6_nh_init+0x3d8/0x1580 [ 6502.712137][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6502.712137][ T74] ip6_route_add+0x1c/0x140 [ 6502.712137][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6502.712137][ T74] addrconf_add_dev+0xe2/0x170 [ 6502.712137][ T74] inet6_addr_add+0x12f/0xa40 [ 6502.712137][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6502.712137][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6502.712137][ T74] netlink_rcv_skb+0x130/0x360 [ 6502.712137][ T74] netlink_unicast+0x449/0x710 [ 6502.712137][ T74] netlink_sendmsg+0x723/0xbe0 [ 6502.712137][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6502.712137][ T74] ___sys_sendmsg+0xee/0x170 [ 6502.712137][ T74] __sys_sendmsg+0xcd/0x170 [ 6502.712137][ T74] do_syscall_64+0xc6/0x1e0 [ 6502.712137][ T74] [ 6502.714097][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6502.714097][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6502.714097][ T74] ipv6_find_idev+0x102/0x170 [ 6502.714097][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6502.714097][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6502.714097][ T74] netlink_rcv_skb+0x130/0x360 [ 6502.714097][ T74] netlink_unicast+0x449/0x710 [ 6502.714097][ T74] netlink_sendmsg+0x723/0xbe0 [ 6502.714097][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6502.714097][ T74] ___sys_sendmsg+0xee/0x170 [ 6502.714097][ T74] __sys_sendmsg+0xcd/0x170 [ 6502.714097][ T74] do_syscall_64+0xc6/0x1e0 [ 6502.714097][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6502.714097][ T74] [ 6502.715636][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6502.715636][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6502.715636][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6502.715636][ T74] ipv6_find_idev+0x102/0x170 [ 6502.715636][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6502.715636][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6502.715636][ T74] netlink_rcv_skb+0x130/0x360 [ 6502.715636][ T74] netlink_unicast+0x449/0x710 [ 6502.715636][ T74] netlink_sendmsg+0x723/0xbe0 [ 6502.715636][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6502.715636][ T74] ___sys_sendmsg+0xee/0x170 [ 6502.715636][ T74] __sys_sendmsg+0xcd/0x170 [ 6502.715636][ T74] do_syscall_64+0xc6/0x1e0 [ 6502.715636][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6502.715636][ T74] [ 6502.717328][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6502.717603][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6502.717603][ T74] dst_init+0x84/0x4a0 [ 6502.717603][ T74] dst_alloc+0x97/0x150 [ 6502.717603][ T74] ip6_dst_alloc+0x23/0x90 [ 6502.717603][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6502.717603][ T74] ip6_pol_route+0x56f/0x840 [ 6502.717603][ T74] fib6_rule_lookup+0x456/0x630 [ 6502.717603][ T74] ip6_route_input+0x59c/0xa50 [ 6502.717603][ T74] ipv6_rcv+0x397/0x810 [ 6502.717603][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6502.717603][ T74] process_backlog+0x101/0x620 [ 6502.717603][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6502.717603][ T74] net_rx_action+0x495/0xbe0 [ 6502.717603][ T74] __do_softirq+0x1b5/0x7f6 [ 6502.717603][ T74] [ 6502.719252][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6502.719252][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6502.719252][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6502.719252][ T74] fib6_nh_init+0xa22/0x1580 [ 6502.719252][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6502.719252][ T74] ip6_route_add+0x1c/0x140 [ 6502.719252][ T74] inet6_rtm_newroute+0x104/0x110 [ 6502.719252][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6502.719252][ T74] netlink_rcv_skb+0x130/0x360 [ 6502.719252][ T74] netlink_unicast+0x449/0x710 [ 6502.719252][ T74] netlink_sendmsg+0x723/0xbe0 [ 6502.719252][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6502.719252][ T74] ___sys_sendmsg+0xee/0x170 [ 6502.719252][ T74] __sys_sendmsg+0xcd/0x170 [ 6502.719252][ T74] do_syscall_64+0xc6/0x1e0 [ 6502.719252][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6502.719252][ T74] [ 6502.721141][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6502.721141][ T74] netdev_get_by_index+0x5e/0x80 [ 6502.721141][ T74] fib6_nh_init+0x3d8/0x1580 [ 6502.721141][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6502.721141][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6502.721141][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6502.721141][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6502.721141][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6502.721141][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6502.721141][ T74] addrconf_dad_begin+0x310/0x670 [ 6502.721141][ T74] addrconf_dad_work+0x10b/0xab0 [ 6502.721141][ T74] process_one_work+0x84d/0x18a0 [ 6502.721141][ T74] worker_thread+0x587/0xd30 [ 6502.721141][ T74] kthread+0x28a/0x350 [ 6502.721141][ T74] ret_from_fork+0x31/0x70 [ 6502.721141][ T74] ret_from_fork_asm+0x1a/0x30 [ 6502.721141][ T74] [ 6502.723048][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6502.723048][ T74] netdev_get_by_index+0x5e/0x80 [ 6502.723048][ T74] fib6_nh_init+0x3d8/0x1580 [ 6502.723048][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6502.723048][ T74] ip6_route_add+0x1c/0x140 [ 6502.723048][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6502.723048][ T74] inet6_addr_add+0x4f8/0xa40 [ 6502.723048][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6502.723048][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6502.723048][ T74] netlink_rcv_skb+0x130/0x360 [ 6502.723048][ T74] netlink_unicast+0x449/0x710 [ 6502.723048][ T74] netlink_sendmsg+0x723/0xbe0 [ 6502.723048][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6502.723048][ T74] ___sys_sendmsg+0xee/0x170 [ 6502.723048][ T74] __sys_sendmsg+0xcd/0x170 [ 6502.723048][ T74] do_syscall_64+0xc6/0x1e0 [ 6502.723048][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6502.723048][ T74] [ 6502.725048][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6502.725048][ T74] netdev_get_by_index+0x5e/0x80 [ 6502.725048][ T74] fib6_nh_init+0x3d8/0x1580 [ 6502.725048][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6502.725048][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6502.725048][ T74] ipv6_add_addr+0x411/0x2000 [ 6502.725048][ T74] inet6_addr_add+0x30e/0xa40 [ 6502.725048][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6502.725048][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6502.725048][ T74] netlink_rcv_skb+0x130/0x360 [ 6502.725048][ T74] netlink_unicast+0x449/0x710 [ 6502.725048][ T74] netlink_sendmsg+0x723/0xbe0 [ 6502.725048][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6502.725048][ T74] ___sys_sendmsg+0xee/0x170 [ 6502.725048][ T74] __sys_sendmsg+0xcd/0x170 [ 6502.725048][ T74] do_syscall_64+0xc6/0x1e0 [ 6502.725048][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6502.725048][ T74] [ 6502.727054][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6502.727054][ T74] netdev_get_by_index+0x5e/0x80 [ 6502.727054][ T74] fib6_nh_init+0x3d8/0x1580 [ 6502.727054][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6502.727054][ T74] ip6_route_add+0x1c/0x140 [ 6502.727054][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6502.727054][ T74] addrconf_add_dev+0xe2/0x170 [ 6502.727054][ T74] inet6_addr_add+0x12f/0xa40 [ 6502.727054][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6502.727054][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6502.727054][ T74] netlink_rcv_skb+0x130/0x360 [ 6502.727054][ T74] netlink_unicast+0x449/0x710 [ 6502.727054][ T74] netlink_sendmsg+0x723/0xbe0 [ 6502.727054][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6502.727054][ T74] ___sys_sendmsg+0xee/0x170 [ 6502.727054][ T74] __sys_sendmsg+0xcd/0x170 [ 6502.727054][ T74] do_syscall_64+0xc6/0x1e0 [ 6502.727054][ T74] [ 6502.729014][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6502.729014][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6502.729014][ T74] ipv6_find_idev+0x102/0x170 [ 6502.729014][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6502.729014][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6502.729014][ T74] netlink_rcv_skb+0x130/0x360 [ 6502.729014][ T74] netlink_unicast+0x449/0x710 [ 6502.729014][ T74] netlink_sendmsg+0x723/0xbe0 [ 6502.729014][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6502.729014][ T74] ___sys_sendmsg+0xee/0x170 [ 6502.729014][ T74] __sys_sendmsg+0xcd/0x170 [ 6502.729014][ T74] do_syscall_64+0xc6/0x1e0 [ 6502.729014][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6502.729014][ T74] [ 6502.730674][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6502.730674][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6502.730674][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6502.730674][ T74] ipv6_find_idev+0x102/0x170 [ 6502.730674][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6502.730674][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6502.730674][ T74] netlink_rcv_skb+0x130/0x360 [ 6502.730674][ T74] netlink_unicast+0x449/0x710 [ 6502.730674][ T74] netlink_sendmsg+0x723/0xbe0 [ 6502.730674][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6502.730674][ T74] ___sys_sendmsg+0xee/0x170 [ 6502.730674][ T74] __sys_sendmsg+0xcd/0x170 [ 6502.730674][ T74] do_syscall_64+0xc6/0x1e0 [ 6502.730674][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6502.730674][ T74] [ 6502.732607][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6502.732848][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6502.732848][ T74] netdev_get_by_index+0x5e/0x80 [ 6502.732848][ T74] fib6_nh_init+0x3d8/0x1580 [ 6502.732848][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6502.732848][ T74] ip6_route_add+0x1c/0x140 [ 6502.732848][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6502.732848][ T74] inet6_addr_add+0x4f8/0xa40 [ 6502.732848][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6502.732848][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6502.732848][ T74] netlink_rcv_skb+0x130/0x360 [ 6502.732848][ T74] netlink_unicast+0x449/0x710 [ 6502.732848][ T74] netlink_sendmsg+0x723/0xbe0 [ 6502.732848][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6502.732848][ T74] ___sys_sendmsg+0xee/0x170 [ 6502.732848][ T74] __sys_sendmsg+0xcd/0x170 [ 6502.732848][ T74] do_syscall_64+0xc6/0x1e0 [ 6502.732848][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6502.732848][ T74] [ 6502.735093][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6502.735093][ T74] netdev_get_by_index+0x5e/0x80 [ 6502.735093][ T74] fib6_nh_init+0x3d8/0x1580 [ 6502.735093][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6502.735093][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6502.735093][ T74] ipv6_add_addr+0x411/0x2000 [ 6502.735093][ T74] inet6_addr_add+0x30e/0xa40 [ 6502.735093][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6502.735093][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6502.735093][ T74] netlink_rcv_skb+0x130/0x360 [ 6502.735093][ T74] netlink_unicast+0x449/0x710 [ 6502.735093][ T74] netlink_sendmsg+0x723/0xbe0 [ 6502.735093][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6502.735093][ T74] ___sys_sendmsg+0xee/0x170 [ 6502.735093][ T74] __sys_sendmsg+0xcd/0x170 [ 6502.735093][ T74] do_syscall_64+0xc6/0x1e0 [ 6502.735093][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6502.735093][ T74] [ 6502.737327][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6502.737327][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6502.737327][ T74] ipv6_find_idev+0x102/0x170 [ 6502.737327][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6502.737327][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6502.737327][ T74] netlink_rcv_skb+0x130/0x360 [ 6502.737327][ T74] netlink_unicast+0x449/0x710 [ 6502.737327][ T74] netlink_sendmsg+0x723/0xbe0 [ 6502.737327][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6502.737327][ T74] ___sys_sendmsg+0xee/0x170 [ 6502.737327][ T74] __sys_sendmsg+0xcd/0x170 [ 6502.737327][ T74] do_syscall_64+0xc6/0x1e0 [ 6502.737327][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6502.737327][ T74] [ 6502.739057][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6502.739057][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6502.739057][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6502.739057][ T74] ipv6_find_idev+0x102/0x170 [ 6502.739057][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6502.739057][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6502.739057][ T74] netlink_rcv_skb+0x130/0x360 [ 6502.739057][ T74] netlink_unicast+0x449/0x710 [ 6502.739057][ T74] netlink_sendmsg+0x723/0xbe0 [ 6502.739057][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6502.739057][ T74] ___sys_sendmsg+0xee/0x170 [ 6502.739057][ T74] __sys_sendmsg+0xcd/0x170 [ 6502.739057][ T74] do_syscall_64+0xc6/0x1e0 [ 6502.739057][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6502.739057][ T74] [ 6512.991954][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6512.992399][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6512.992399][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6512.992399][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6512.992399][ T74] fib6_nh_init+0xa22/0x1580 [ 6512.992399][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6512.992399][ T74] ip6_route_add+0x1c/0x140 [ 6512.992399][ T74] inet6_rtm_newroute+0x104/0x110 [ 6512.992399][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6512.992399][ T74] netlink_rcv_skb+0x130/0x360 [ 6512.992399][ T74] netlink_unicast+0x449/0x710 [ 6512.992399][ T74] netlink_sendmsg+0x723/0xbe0 [ 6512.992399][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6512.992399][ T74] ___sys_sendmsg+0xee/0x170 [ 6512.992399][ T74] __sys_sendmsg+0xcd/0x170 [ 6512.992399][ T74] do_syscall_64+0xc6/0x1e0 [ 6512.992399][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6512.992399][ T74] [ 6512.994317][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6512.994317][ T74] netdev_get_by_index+0x5e/0x80 [ 6512.994317][ T74] fib6_nh_init+0x3d8/0x1580 [ 6512.994317][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6512.994317][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6512.994317][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6512.994317][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6512.994317][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6512.994317][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6512.994317][ T74] addrconf_dad_begin+0x310/0x670 [ 6512.994317][ T74] addrconf_dad_work+0x10b/0xab0 [ 6512.994317][ T74] process_one_work+0x84d/0x18a0 [ 6512.994317][ T74] worker_thread+0x587/0xd30 [ 6512.994317][ T74] kthread+0x28a/0x350 [ 6512.994317][ T74] ret_from_fork+0x31/0x70 [ 6512.994317][ T74] ret_from_fork_asm+0x1a/0x30 [ 6512.994317][ T74] [ 6512.996249][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6512.996249][ T74] netdev_get_by_index+0x5e/0x80 [ 6512.996249][ T74] fib6_nh_init+0x3d8/0x1580 [ 6512.996249][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6512.996249][ T74] ip6_route_add+0x1c/0x140 [ 6512.996249][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6512.996249][ T74] inet6_addr_add+0x4f8/0xa40 [ 6512.996249][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6512.996249][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6512.996249][ T74] netlink_rcv_skb+0x130/0x360 [ 6512.996249][ T74] netlink_unicast+0x449/0x710 [ 6512.996249][ T74] netlink_sendmsg+0x723/0xbe0 [ 6512.996249][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6512.996249][ T74] ___sys_sendmsg+0xee/0x170 [ 6512.996249][ T74] __sys_sendmsg+0xcd/0x170 [ 6512.996249][ T74] do_syscall_64+0xc6/0x1e0 [ 6512.996249][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6512.996249][ T74] [ 6512.998280][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6512.998280][ T74] netdev_get_by_index+0x5e/0x80 [ 6512.998280][ T74] fib6_nh_init+0x3d8/0x1580 [ 6512.998280][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6512.998280][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6512.998280][ T74] ipv6_add_addr+0x411/0x2000 [ 6512.998280][ T74] inet6_addr_add+0x30e/0xa40 [ 6512.998280][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6512.998280][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6512.998280][ T74] netlink_rcv_skb+0x130/0x360 [ 6512.998280][ T74] netlink_unicast+0x449/0x710 [ 6512.998280][ T74] netlink_sendmsg+0x723/0xbe0 [ 6512.998280][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6512.998280][ T74] ___sys_sendmsg+0xee/0x170 [ 6512.998280][ T74] __sys_sendmsg+0xcd/0x170 [ 6512.998280][ T74] do_syscall_64+0xc6/0x1e0 [ 6512.998280][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6512.998280][ T74] [ 6513.000296][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6513.000296][ T74] netdev_get_by_index+0x5e/0x80 [ 6513.000296][ T74] fib6_nh_init+0x3d8/0x1580 [ 6513.000296][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6513.000296][ T74] ip6_route_add+0x1c/0x140 [ 6513.000296][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6513.000296][ T74] addrconf_add_dev+0xe2/0x170 [ 6513.000296][ T74] inet6_addr_add+0x12f/0xa40 [ 6513.000296][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6513.000296][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6513.000296][ T74] netlink_rcv_skb+0x130/0x360 [ 6513.000296][ T74] netlink_unicast+0x449/0x710 [ 6513.000296][ T74] netlink_sendmsg+0x723/0xbe0 [ 6513.000296][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6513.000296][ T74] ___sys_sendmsg+0xee/0x170 [ 6513.000296][ T74] __sys_sendmsg+0xcd/0x170 [ 6513.000296][ T74] do_syscall_64+0xc6/0x1e0 [ 6513.000296][ T74] [ 6513.002277][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6513.002277][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6513.002277][ T74] ipv6_find_idev+0x102/0x170 [ 6513.002277][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6513.002277][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6513.002277][ T74] netlink_rcv_skb+0x130/0x360 [ 6513.002277][ T74] netlink_unicast+0x449/0x710 [ 6513.002277][ T74] netlink_sendmsg+0x723/0xbe0 [ 6513.002277][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6513.002277][ T74] ___sys_sendmsg+0xee/0x170 [ 6513.002277][ T74] __sys_sendmsg+0xcd/0x170 [ 6513.002277][ T74] do_syscall_64+0xc6/0x1e0 [ 6513.002277][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6513.002277][ T74] [ 6513.003823][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6513.003823][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6513.003823][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6513.003823][ T74] ipv6_find_idev+0x102/0x170 [ 6513.003823][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6513.003823][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6513.003823][ T74] netlink_rcv_skb+0x130/0x360 [ 6513.003823][ T74] netlink_unicast+0x449/0x710 [ 6513.003823][ T74] netlink_sendmsg+0x723/0xbe0 [ 6513.003823][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6513.003823][ T74] ___sys_sendmsg+0xee/0x170 [ 6513.003823][ T74] __sys_sendmsg+0xcd/0x170 [ 6513.003823][ T74] do_syscall_64+0xc6/0x1e0 [ 6513.003823][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6513.003823][ T74] [ 6513.005550][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6513.005829][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6513.005829][ T74] dst_init+0x84/0x4a0 [ 6513.005829][ T74] dst_alloc+0x97/0x150 [ 6513.005829][ T74] ip6_dst_alloc+0x23/0x90 [ 6513.005829][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6513.005829][ T74] ip6_pol_route+0x56f/0x840 [ 6513.005829][ T74] fib6_rule_lookup+0x456/0x630 [ 6513.005829][ T74] ip6_route_input+0x59c/0xa50 [ 6513.005829][ T74] ipv6_rcv+0x397/0x810 [ 6513.005829][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6513.005829][ T74] process_backlog+0x101/0x620 [ 6513.005829][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6513.005829][ T74] net_rx_action+0x495/0xbe0 [ 6513.005829][ T74] __do_softirq+0x1b5/0x7f6 [ 6513.005829][ T74] [ 6513.007492][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6513.007492][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6513.007492][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6513.007492][ T74] fib6_nh_init+0xa22/0x1580 [ 6513.007492][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6513.007492][ T74] ip6_route_add+0x1c/0x140 [ 6513.007492][ T74] inet6_rtm_newroute+0x104/0x110 [ 6513.007492][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6513.007492][ T74] netlink_rcv_skb+0x130/0x360 [ 6513.007492][ T74] netlink_unicast+0x449/0x710 [ 6513.007492][ T74] netlink_sendmsg+0x723/0xbe0 [ 6513.007492][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6513.007492][ T74] ___sys_sendmsg+0xee/0x170 [ 6513.007492][ T74] __sys_sendmsg+0xcd/0x170 [ 6513.007492][ T74] do_syscall_64+0xc6/0x1e0 [ 6513.007492][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6513.007492][ T74] [ 6513.009397][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6513.009397][ T74] netdev_get_by_index+0x5e/0x80 [ 6513.009397][ T74] fib6_nh_init+0x3d8/0x1580 [ 6513.009397][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6513.009397][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6513.009397][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6513.009397][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6513.009397][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6513.009397][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6513.009397][ T74] addrconf_dad_begin+0x310/0x670 [ 6513.009397][ T74] addrconf_dad_work+0x10b/0xab0 [ 6513.009397][ T74] process_one_work+0x84d/0x18a0 [ 6513.009397][ T74] worker_thread+0x587/0xd30 [ 6513.009397][ T74] kthread+0x28a/0x350 [ 6513.009397][ T74] ret_from_fork+0x31/0x70 [ 6513.009397][ T74] ret_from_fork_asm+0x1a/0x30 [ 6513.009397][ T74] [ 6513.011321][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6513.011321][ T74] netdev_get_by_index+0x5e/0x80 [ 6513.011321][ T74] fib6_nh_init+0x3d8/0x1580 [ 6513.011321][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6513.011321][ T74] ip6_route_add+0x1c/0x140 [ 6513.011321][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6513.011321][ T74] inet6_addr_add+0x4f8/0xa40 [ 6513.011321][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6513.011321][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6513.011321][ T74] netlink_rcv_skb+0x130/0x360 [ 6513.011321][ T74] netlink_unicast+0x449/0x710 [ 6513.011321][ T74] netlink_sendmsg+0x723/0xbe0 [ 6513.011321][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6513.011321][ T74] ___sys_sendmsg+0xee/0x170 [ 6513.011321][ T74] __sys_sendmsg+0xcd/0x170 [ 6513.011321][ T74] do_syscall_64+0xc6/0x1e0 [ 6513.011321][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6513.011321][ T74] [ 6513.013330][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6513.013330][ T74] netdev_get_by_index+0x5e/0x80 [ 6513.013330][ T74] fib6_nh_init+0x3d8/0x1580 [ 6513.013330][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6513.013330][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6513.013330][ T74] ipv6_add_addr+0x411/0x2000 [ 6513.013330][ T74] inet6_addr_add+0x30e/0xa40 [ 6513.013330][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6513.013330][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6513.013330][ T74] netlink_rcv_skb+0x130/0x360 [ 6513.013330][ T74] netlink_unicast+0x449/0x710 [ 6513.013330][ T74] netlink_sendmsg+0x723/0xbe0 [ 6513.013330][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6513.013330][ T74] ___sys_sendmsg+0xee/0x170 [ 6513.013330][ T74] __sys_sendmsg+0xcd/0x170 [ 6513.013330][ T74] do_syscall_64+0xc6/0x1e0 [ 6513.013330][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6513.013330][ T74] [ 6513.015343][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6513.015343][ T74] netdev_get_by_index+0x5e/0x80 [ 6513.015343][ T74] fib6_nh_init+0x3d8/0x1580 [ 6513.015343][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6513.015343][ T74] ip6_route_add+0x1c/0x140 [ 6513.015343][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6513.015343][ T74] addrconf_add_dev+0xe2/0x170 [ 6513.015343][ T74] inet6_addr_add+0x12f/0xa40 [ 6513.015343][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6513.015343][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6513.015343][ T74] netlink_rcv_skb+0x130/0x360 [ 6513.015343][ T74] netlink_unicast+0x449/0x710 [ 6513.015343][ T74] netlink_sendmsg+0x723/0xbe0 [ 6513.015343][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6513.015343][ T74] ___sys_sendmsg+0xee/0x170 [ 6513.015343][ T74] __sys_sendmsg+0xcd/0x170 [ 6513.015343][ T74] do_syscall_64+0xc6/0x1e0 [ 6513.015343][ T74] [ 6513.017332][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6513.017332][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6513.017332][ T74] ipv6_find_idev+0x102/0x170 [ 6513.017332][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6513.017332][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6513.017332][ T74] netlink_rcv_skb+0x130/0x360 [ 6513.017332][ T74] netlink_unicast+0x449/0x710 [ 6513.017332][ T74] netlink_sendmsg+0x723/0xbe0 [ 6513.017332][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6513.017332][ T74] ___sys_sendmsg+0xee/0x170 [ 6513.017332][ T74] __sys_sendmsg+0xcd/0x170 [ 6513.017332][ T74] do_syscall_64+0xc6/0x1e0 [ 6513.017332][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6513.017332][ T74] [ 6513.019004][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6513.019004][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6513.019004][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6513.019004][ T74] ipv6_find_idev+0x102/0x170 [ 6513.019004][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6513.019004][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6513.019004][ T74] netlink_rcv_skb+0x130/0x360 [ 6513.019004][ T74] netlink_unicast+0x449/0x710 [ 6513.019004][ T74] netlink_sendmsg+0x723/0xbe0 [ 6513.019004][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6513.019004][ T74] ___sys_sendmsg+0xee/0x170 [ 6513.019004][ T74] __sys_sendmsg+0xcd/0x170 [ 6513.019004][ T74] do_syscall_64+0xc6/0x1e0 [ 6513.019004][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6513.019004][ T74] [ 6513.020946][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6513.021251][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6513.021251][ T74] netdev_get_by_index+0x5e/0x80 [ 6513.021251][ T74] fib6_nh_init+0x3d8/0x1580 [ 6513.021251][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6513.021251][ T74] ip6_route_add+0x1c/0x140 [ 6513.021251][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6513.021251][ T74] inet6_addr_add+0x4f8/0xa40 [ 6513.021251][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6513.021251][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6513.021251][ T74] netlink_rcv_skb+0x130/0x360 [ 6513.021251][ T74] netlink_unicast+0x449/0x710 [ 6513.021251][ T74] netlink_sendmsg+0x723/0xbe0 [ 6513.021251][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6513.021251][ T74] ___sys_sendmsg+0xee/0x170 [ 6513.021251][ T74] __sys_sendmsg+0xcd/0x170 [ 6513.021251][ T74] do_syscall_64+0xc6/0x1e0 [ 6513.021251][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6513.021251][ T74] [ 6513.023443][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6513.023443][ T74] netdev_get_by_index+0x5e/0x80 [ 6513.023443][ T74] fib6_nh_init+0x3d8/0x1580 [ 6513.023443][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6513.023443][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6513.023443][ T74] ipv6_add_addr+0x411/0x2000 [ 6513.023443][ T74] inet6_addr_add+0x30e/0xa40 [ 6513.023443][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6513.023443][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6513.023443][ T74] netlink_rcv_skb+0x130/0x360 [ 6513.023443][ T74] netlink_unicast+0x449/0x710 [ 6513.023443][ T74] netlink_sendmsg+0x723/0xbe0 [ 6513.023443][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6513.023443][ T74] ___sys_sendmsg+0xee/0x170 [ 6513.023443][ T74] __sys_sendmsg+0xcd/0x170 [ 6513.023443][ T74] do_syscall_64+0xc6/0x1e0 [ 6513.023443][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6513.023443][ T74] [ 6513.025691][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6513.025691][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6513.025691][ T74] ipv6_find_idev+0x102/0x170 [ 6513.025691][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6513.025691][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6513.025691][ T74] netlink_rcv_skb+0x130/0x360 [ 6513.025691][ T74] netlink_unicast+0x449/0x710 [ 6513.025691][ T74] netlink_sendmsg+0x723/0xbe0 [ 6513.025691][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6513.025691][ T74] ___sys_sendmsg+0xee/0x170 [ 6513.025691][ T74] __sys_sendmsg+0xcd/0x170 [ 6513.025691][ T74] do_syscall_64+0xc6/0x1e0 [ 6513.025691][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6513.025691][ T74] [ 6513.027420][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6513.027420][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6513.027420][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6513.027420][ T74] ipv6_find_idev+0x102/0x170 [ 6513.027420][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6513.027420][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6513.027420][ T74] netlink_rcv_skb+0x130/0x360 [ 6513.027420][ T74] netlink_unicast+0x449/0x710 [ 6513.027420][ T74] netlink_sendmsg+0x723/0xbe0 [ 6513.027420][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6513.027420][ T74] ___sys_sendmsg+0xee/0x170 [ 6513.027420][ T74] __sys_sendmsg+0xcd/0x170 [ 6513.027420][ T74] do_syscall_64+0xc6/0x1e0 [ 6513.027420][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6513.027420][ T74] [ 6523.279968][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6523.280415][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6523.280415][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6523.280415][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6523.280415][ T74] fib6_nh_init+0xa22/0x1580 [ 6523.280415][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6523.280415][ T74] ip6_route_add+0x1c/0x140 [ 6523.280415][ T74] inet6_rtm_newroute+0x104/0x110 [ 6523.280415][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6523.280415][ T74] netlink_rcv_skb+0x130/0x360 [ 6523.280415][ T74] netlink_unicast+0x449/0x710 [ 6523.280415][ T74] netlink_sendmsg+0x723/0xbe0 [ 6523.280415][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6523.280415][ T74] ___sys_sendmsg+0xee/0x170 [ 6523.280415][ T74] __sys_sendmsg+0xcd/0x170 [ 6523.280415][ T74] do_syscall_64+0xc6/0x1e0 [ 6523.280415][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6523.280415][ T74] [ 6523.282324][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6523.282324][ T74] netdev_get_by_index+0x5e/0x80 [ 6523.282324][ T74] fib6_nh_init+0x3d8/0x1580 [ 6523.282324][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6523.282324][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6523.282324][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6523.282324][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6523.282324][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6523.282324][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6523.282324][ T74] addrconf_dad_begin+0x310/0x670 [ 6523.282324][ T74] addrconf_dad_work+0x10b/0xab0 [ 6523.282324][ T74] process_one_work+0x84d/0x18a0 [ 6523.282324][ T74] worker_thread+0x587/0xd30 [ 6523.282324][ T74] kthread+0x28a/0x350 [ 6523.282324][ T74] ret_from_fork+0x31/0x70 [ 6523.282324][ T74] ret_from_fork_asm+0x1a/0x30 [ 6523.282324][ T74] [ 6523.284246][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6523.284246][ T74] netdev_get_by_index+0x5e/0x80 [ 6523.284246][ T74] fib6_nh_init+0x3d8/0x1580 [ 6523.284246][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6523.284246][ T74] ip6_route_add+0x1c/0x140 [ 6523.284246][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6523.284246][ T74] inet6_addr_add+0x4f8/0xa40 [ 6523.284246][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6523.284246][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6523.284246][ T74] netlink_rcv_skb+0x130/0x360 [ 6523.284246][ T74] netlink_unicast+0x449/0x710 [ 6523.284246][ T74] netlink_sendmsg+0x723/0xbe0 [ 6523.284246][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6523.284246][ T74] ___sys_sendmsg+0xee/0x170 [ 6523.284246][ T74] __sys_sendmsg+0xcd/0x170 [ 6523.284246][ T74] do_syscall_64+0xc6/0x1e0 [ 6523.284246][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6523.284246][ T74] [ 6523.286238][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6523.286238][ T74] netdev_get_by_index+0x5e/0x80 [ 6523.286238][ T74] fib6_nh_init+0x3d8/0x1580 [ 6523.286238][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6523.286238][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6523.286238][ T74] ipv6_add_addr+0x411/0x2000 [ 6523.286238][ T74] inet6_addr_add+0x30e/0xa40 [ 6523.286238][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6523.286238][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6523.286238][ T74] netlink_rcv_skb+0x130/0x360 [ 6523.286238][ T74] netlink_unicast+0x449/0x710 [ 6523.286238][ T74] netlink_sendmsg+0x723/0xbe0 [ 6523.286238][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6523.286238][ T74] ___sys_sendmsg+0xee/0x170 [ 6523.286238][ T74] __sys_sendmsg+0xcd/0x170 [ 6523.286238][ T74] do_syscall_64+0xc6/0x1e0 [ 6523.286238][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6523.286238][ T74] [ 6523.288233][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6523.288233][ T74] netdev_get_by_index+0x5e/0x80 [ 6523.288233][ T74] fib6_nh_init+0x3d8/0x1580 [ 6523.288233][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6523.288233][ T74] ip6_route_add+0x1c/0x140 [ 6523.288233][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6523.288233][ T74] addrconf_add_dev+0xe2/0x170 [ 6523.288233][ T74] inet6_addr_add+0x12f/0xa40 [ 6523.288233][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6523.288233][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6523.288233][ T74] netlink_rcv_skb+0x130/0x360 [ 6523.288233][ T74] netlink_unicast+0x449/0x710 [ 6523.288233][ T74] netlink_sendmsg+0x723/0xbe0 [ 6523.288233][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6523.288233][ T74] ___sys_sendmsg+0xee/0x170 [ 6523.288233][ T74] __sys_sendmsg+0xcd/0x170 [ 6523.288233][ T74] do_syscall_64+0xc6/0x1e0 [ 6523.288233][ T74] [ 6523.290181][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6523.290181][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6523.290181][ T74] ipv6_find_idev+0x102/0x170 [ 6523.290181][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6523.290181][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6523.290181][ T74] netlink_rcv_skb+0x130/0x360 [ 6523.290181][ T74] netlink_unicast+0x449/0x710 [ 6523.290181][ T74] netlink_sendmsg+0x723/0xbe0 [ 6523.290181][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6523.290181][ T74] ___sys_sendmsg+0xee/0x170 [ 6523.290181][ T74] __sys_sendmsg+0xcd/0x170 [ 6523.290181][ T74] do_syscall_64+0xc6/0x1e0 [ 6523.290181][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6523.290181][ T74] [ 6523.291709][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6523.291709][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6523.291709][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6523.291709][ T74] ipv6_find_idev+0x102/0x170 [ 6523.291709][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6523.291709][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6523.291709][ T74] netlink_rcv_skb+0x130/0x360 [ 6523.291709][ T74] netlink_unicast+0x449/0x710 [ 6523.291709][ T74] netlink_sendmsg+0x723/0xbe0 [ 6523.291709][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6523.291709][ T74] ___sys_sendmsg+0xee/0x170 [ 6523.291709][ T74] __sys_sendmsg+0xcd/0x170 [ 6523.291709][ T74] do_syscall_64+0xc6/0x1e0 [ 6523.291709][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6523.291709][ T74] [ 6523.293386][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6523.293660][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6523.293660][ T74] dst_init+0x84/0x4a0 [ 6523.293660][ T74] dst_alloc+0x97/0x150 [ 6523.293660][ T74] ip6_dst_alloc+0x23/0x90 [ 6523.293660][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6523.293660][ T74] ip6_pol_route+0x56f/0x840 [ 6523.293660][ T74] fib6_rule_lookup+0x456/0x630 [ 6523.293660][ T74] ip6_route_input+0x59c/0xa50 [ 6523.293660][ T74] ipv6_rcv+0x397/0x810 [ 6523.293660][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6523.293660][ T74] process_backlog+0x101/0x620 [ 6523.293660][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6523.293660][ T74] net_rx_action+0x495/0xbe0 [ 6523.293660][ T74] __do_softirq+0x1b5/0x7f6 [ 6523.293660][ T74] [ 6523.295304][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6523.295304][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6523.295304][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6523.295304][ T74] fib6_nh_init+0xa22/0x1580 [ 6523.295304][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6523.295304][ T74] ip6_route_add+0x1c/0x140 [ 6523.295304][ T74] inet6_rtm_newroute+0x104/0x110 [ 6523.295304][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6523.295304][ T74] netlink_rcv_skb+0x130/0x360 [ 6523.295304][ T74] netlink_unicast+0x449/0x710 [ 6523.295304][ T74] netlink_sendmsg+0x723/0xbe0 [ 6523.295304][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6523.295304][ T74] ___sys_sendmsg+0xee/0x170 [ 6523.295304][ T74] __sys_sendmsg+0xcd/0x170 [ 6523.295304][ T74] do_syscall_64+0xc6/0x1e0 [ 6523.295304][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6523.295304][ T74] [ 6523.297170][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6523.297170][ T74] netdev_get_by_index+0x5e/0x80 [ 6523.297170][ T74] fib6_nh_init+0x3d8/0x1580 [ 6523.297170][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6523.297170][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6523.297170][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6523.297170][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6523.297170][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6523.297170][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6523.297170][ T74] addrconf_dad_begin+0x310/0x670 [ 6523.297170][ T74] addrconf_dad_work+0x10b/0xab0 [ 6523.297170][ T74] process_one_work+0x84d/0x18a0 [ 6523.297170][ T74] worker_thread+0x587/0xd30 [ 6523.297170][ T74] kthread+0x28a/0x350 [ 6523.297170][ T74] ret_from_fork+0x31/0x70 [ 6523.297170][ T74] ret_from_fork_asm+0x1a/0x30 [ 6523.297170][ T74] [ 6523.299072][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6523.299072][ T74] netdev_get_by_index+0x5e/0x80 [ 6523.299072][ T74] fib6_nh_init+0x3d8/0x1580 [ 6523.299072][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6523.299072][ T74] ip6_route_add+0x1c/0x140 [ 6523.299072][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6523.299072][ T74] inet6_addr_add+0x4f8/0xa40 [ 6523.299072][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6523.299072][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6523.299072][ T74] netlink_rcv_skb+0x130/0x360 [ 6523.299072][ T74] netlink_unicast+0x449/0x710 [ 6523.299072][ T74] netlink_sendmsg+0x723/0xbe0 [ 6523.299072][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6523.299072][ T74] ___sys_sendmsg+0xee/0x170 [ 6523.299072][ T74] __sys_sendmsg+0xcd/0x170 [ 6523.299072][ T74] do_syscall_64+0xc6/0x1e0 [ 6523.299072][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6523.299072][ T74] [ 6523.301085][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6523.301085][ T74] netdev_get_by_index+0x5e/0x80 [ 6523.301085][ T74] fib6_nh_init+0x3d8/0x1580 [ 6523.301085][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6523.301085][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6523.301085][ T74] ipv6_add_addr+0x411/0x2000 [ 6523.301085][ T74] inet6_addr_add+0x30e/0xa40 [ 6523.301085][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6523.301085][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6523.301085][ T74] netlink_rcv_skb+0x130/0x360 [ 6523.301085][ T74] netlink_unicast+0x449/0x710 [ 6523.301085][ T74] netlink_sendmsg+0x723/0xbe0 [ 6523.301085][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6523.301085][ T74] ___sys_sendmsg+0xee/0x170 [ 6523.301085][ T74] __sys_sendmsg+0xcd/0x170 [ 6523.301085][ T74] do_syscall_64+0xc6/0x1e0 [ 6523.301085][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6523.301085][ T74] [ 6523.303068][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6523.303068][ T74] netdev_get_by_index+0x5e/0x80 [ 6523.303068][ T74] fib6_nh_init+0x3d8/0x1580 [ 6523.303068][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6523.303068][ T74] ip6_route_add+0x1c/0x140 [ 6523.303068][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6523.303068][ T74] addrconf_add_dev+0xe2/0x170 [ 6523.303068][ T74] inet6_addr_add+0x12f/0xa40 [ 6523.303068][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6523.303068][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6523.303068][ T74] netlink_rcv_skb+0x130/0x360 [ 6523.303068][ T74] netlink_unicast+0x449/0x710 [ 6523.303068][ T74] netlink_sendmsg+0x723/0xbe0 [ 6523.303068][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6523.303068][ T74] ___sys_sendmsg+0xee/0x170 [ 6523.303068][ T74] __sys_sendmsg+0xcd/0x170 [ 6523.303068][ T74] do_syscall_64+0xc6/0x1e0 [ 6523.303068][ T74] [ 6523.305012][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6523.305012][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6523.305012][ T74] ipv6_find_idev+0x102/0x170 [ 6523.305012][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6523.305012][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6523.305012][ T74] netlink_rcv_skb+0x130/0x360 [ 6523.305012][ T74] netlink_unicast+0x449/0x710 [ 6523.305012][ T74] netlink_sendmsg+0x723/0xbe0 [ 6523.305012][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6523.305012][ T74] ___sys_sendmsg+0xee/0x170 [ 6523.305012][ T74] __sys_sendmsg+0xcd/0x170 [ 6523.305012][ T74] do_syscall_64+0xc6/0x1e0 [ 6523.305012][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6523.305012][ T74] [ 6523.306661][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6523.306661][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6523.306661][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6523.306661][ T74] ipv6_find_idev+0x102/0x170 [ 6523.306661][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6523.306661][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6523.306661][ T74] netlink_rcv_skb+0x130/0x360 [ 6523.306661][ T74] netlink_unicast+0x449/0x710 [ 6523.306661][ T74] netlink_sendmsg+0x723/0xbe0 [ 6523.306661][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6523.306661][ T74] ___sys_sendmsg+0xee/0x170 [ 6523.306661][ T74] __sys_sendmsg+0xcd/0x170 [ 6523.306661][ T74] do_syscall_64+0xc6/0x1e0 [ 6523.306661][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6523.306661][ T74] [ 6523.308591][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6523.308827][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6523.308827][ T74] netdev_get_by_index+0x5e/0x80 [ 6523.308827][ T74] fib6_nh_init+0x3d8/0x1580 [ 6523.308827][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6523.308827][ T74] ip6_route_add+0x1c/0x140 [ 6523.308827][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6523.308827][ T74] inet6_addr_add+0x4f8/0xa40 [ 6523.308827][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6523.308827][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6523.308827][ T74] netlink_rcv_skb+0x130/0x360 [ 6523.308827][ T74] netlink_unicast+0x449/0x710 [ 6523.308827][ T74] netlink_sendmsg+0x723/0xbe0 [ 6523.308827][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6523.308827][ T74] ___sys_sendmsg+0xee/0x170 [ 6523.308827][ T74] __sys_sendmsg+0xcd/0x170 [ 6523.308827][ T74] do_syscall_64+0xc6/0x1e0 [ 6523.308827][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6523.308827][ T74] [ 6523.311052][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6523.311052][ T74] netdev_get_by_index+0x5e/0x80 [ 6523.311052][ T74] fib6_nh_init+0x3d8/0x1580 [ 6523.311052][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6523.311052][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6523.311052][ T74] ipv6_add_addr+0x411/0x2000 [ 6523.311052][ T74] inet6_addr_add+0x30e/0xa40 [ 6523.311052][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6523.311052][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6523.311052][ T74] netlink_rcv_skb+0x130/0x360 [ 6523.311052][ T74] netlink_unicast+0x449/0x710 [ 6523.311052][ T74] netlink_sendmsg+0x723/0xbe0 [ 6523.311052][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6523.311052][ T74] ___sys_sendmsg+0xee/0x170 [ 6523.311052][ T74] __sys_sendmsg+0xcd/0x170 [ 6523.311052][ T74] do_syscall_64+0xc6/0x1e0 [ 6523.311052][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6523.311052][ T74] [ 6523.313344][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6523.313344][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6523.313344][ T74] ipv6_find_idev+0x102/0x170 [ 6523.313344][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6523.313344][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6523.313344][ T74] netlink_rcv_skb+0x130/0x360 [ 6523.313344][ T74] netlink_unicast+0x449/0x710 [ 6523.313344][ T74] netlink_sendmsg+0x723/0xbe0 [ 6523.313344][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6523.313344][ T74] ___sys_sendmsg+0xee/0x170 [ 6523.313344][ T74] __sys_sendmsg+0xcd/0x170 [ 6523.313344][ T74] do_syscall_64+0xc6/0x1e0 [ 6523.313344][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6523.313344][ T74] [ 6523.314931][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6523.314931][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6523.314931][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6523.314931][ T74] ipv6_find_idev+0x102/0x170 [ 6523.314931][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6523.314931][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6523.314931][ T74] netlink_rcv_skb+0x130/0x360 [ 6523.314931][ T74] netlink_unicast+0x449/0x710 [ 6523.314931][ T74] netlink_sendmsg+0x723/0xbe0 [ 6523.314931][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6523.314931][ T74] ___sys_sendmsg+0xee/0x170 [ 6523.314931][ T74] __sys_sendmsg+0xcd/0x170 [ 6523.314931][ T74] do_syscall_64+0xc6/0x1e0 [ 6523.314931][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6523.314931][ T74] [ 6533.407958][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6533.408316][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6533.408316][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6533.408316][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6533.408316][ T74] fib6_nh_init+0xa22/0x1580 [ 6533.408316][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6533.408316][ T74] ip6_route_add+0x1c/0x140 [ 6533.408316][ T74] inet6_rtm_newroute+0x104/0x110 [ 6533.408316][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6533.408316][ T74] netlink_rcv_skb+0x130/0x360 [ 6533.408316][ T74] netlink_unicast+0x449/0x710 [ 6533.408316][ T74] netlink_sendmsg+0x723/0xbe0 [ 6533.408316][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6533.408316][ T74] ___sys_sendmsg+0xee/0x170 [ 6533.408316][ T74] __sys_sendmsg+0xcd/0x170 [ 6533.408316][ T74] do_syscall_64+0xc6/0x1e0 [ 6533.408316][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6533.408316][ T74] [ 6533.410223][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6533.410223][ T74] netdev_get_by_index+0x5e/0x80 [ 6533.410223][ T74] fib6_nh_init+0x3d8/0x1580 [ 6533.410223][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6533.410223][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6533.410223][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6533.410223][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6533.410223][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6533.410223][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6533.410223][ T74] addrconf_dad_begin+0x310/0x670 [ 6533.410223][ T74] addrconf_dad_work+0x10b/0xab0 [ 6533.410223][ T74] process_one_work+0x84d/0x18a0 [ 6533.410223][ T74] worker_thread+0x587/0xd30 [ 6533.410223][ T74] kthread+0x28a/0x350 [ 6533.410223][ T74] ret_from_fork+0x31/0x70 [ 6533.410223][ T74] ret_from_fork_asm+0x1a/0x30 [ 6533.410223][ T74] [ 6533.412136][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6533.412136][ T74] netdev_get_by_index+0x5e/0x80 [ 6533.412136][ T74] fib6_nh_init+0x3d8/0x1580 [ 6533.412136][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6533.412136][ T74] ip6_route_add+0x1c/0x140 [ 6533.412136][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6533.412136][ T74] inet6_addr_add+0x4f8/0xa40 [ 6533.412136][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6533.412136][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6533.412136][ T74] netlink_rcv_skb+0x130/0x360 [ 6533.412136][ T74] netlink_unicast+0x449/0x710 [ 6533.412136][ T74] netlink_sendmsg+0x723/0xbe0 [ 6533.412136][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6533.412136][ T74] ___sys_sendmsg+0xee/0x170 [ 6533.412136][ T74] __sys_sendmsg+0xcd/0x170 [ 6533.412136][ T74] do_syscall_64+0xc6/0x1e0 [ 6533.412136][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6533.412136][ T74] [ 6533.414134][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6533.414134][ T74] netdev_get_by_index+0x5e/0x80 [ 6533.414134][ T74] fib6_nh_init+0x3d8/0x1580 [ 6533.414134][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6533.414134][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6533.414134][ T74] ipv6_add_addr+0x411/0x2000 [ 6533.414134][ T74] inet6_addr_add+0x30e/0xa40 [ 6533.414134][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6533.414134][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6533.414134][ T74] netlink_rcv_skb+0x130/0x360 [ 6533.414134][ T74] netlink_unicast+0x449/0x710 [ 6533.414134][ T74] netlink_sendmsg+0x723/0xbe0 [ 6533.414134][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6533.414134][ T74] ___sys_sendmsg+0xee/0x170 [ 6533.414134][ T74] __sys_sendmsg+0xcd/0x170 [ 6533.414134][ T74] do_syscall_64+0xc6/0x1e0 [ 6533.414134][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6533.414134][ T74] [ 6533.416141][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6533.416141][ T74] netdev_get_by_index+0x5e/0x80 [ 6533.416141][ T74] fib6_nh_init+0x3d8/0x1580 [ 6533.416141][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6533.416141][ T74] ip6_route_add+0x1c/0x140 [ 6533.416141][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6533.416141][ T74] addrconf_add_dev+0xe2/0x170 [ 6533.416141][ T74] inet6_addr_add+0x12f/0xa40 [ 6533.416141][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6533.416141][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6533.416141][ T74] netlink_rcv_skb+0x130/0x360 [ 6533.416141][ T74] netlink_unicast+0x449/0x710 [ 6533.416141][ T74] netlink_sendmsg+0x723/0xbe0 [ 6533.416141][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6533.416141][ T74] ___sys_sendmsg+0xee/0x170 [ 6533.416141][ T74] __sys_sendmsg+0xcd/0x170 [ 6533.416141][ T74] do_syscall_64+0xc6/0x1e0 [ 6533.416141][ T74] [ 6533.418103][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6533.418103][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6533.418103][ T74] ipv6_find_idev+0x102/0x170 [ 6533.418103][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6533.418103][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6533.418103][ T74] netlink_rcv_skb+0x130/0x360 [ 6533.418103][ T74] netlink_unicast+0x449/0x710 [ 6533.418103][ T74] netlink_sendmsg+0x723/0xbe0 [ 6533.418103][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6533.418103][ T74] ___sys_sendmsg+0xee/0x170 [ 6533.418103][ T74] __sys_sendmsg+0xcd/0x170 [ 6533.418103][ T74] do_syscall_64+0xc6/0x1e0 [ 6533.418103][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6533.418103][ T74] [ 6533.419633][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6533.419633][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6533.419633][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6533.419633][ T74] ipv6_find_idev+0x102/0x170 [ 6533.419633][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6533.419633][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6533.419633][ T74] netlink_rcv_skb+0x130/0x360 [ 6533.419633][ T74] netlink_unicast+0x449/0x710 [ 6533.419633][ T74] netlink_sendmsg+0x723/0xbe0 [ 6533.419633][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6533.419633][ T74] ___sys_sendmsg+0xee/0x170 [ 6533.419633][ T74] __sys_sendmsg+0xcd/0x170 [ 6533.419633][ T74] do_syscall_64+0xc6/0x1e0 [ 6533.419633][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6533.419633][ T74] [ 6533.421311][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6533.421588][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6533.421588][ T74] dst_init+0x84/0x4a0 [ 6533.421588][ T74] dst_alloc+0x97/0x150 [ 6533.421588][ T74] ip6_dst_alloc+0x23/0x90 [ 6533.421588][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6533.421588][ T74] ip6_pol_route+0x56f/0x840 [ 6533.421588][ T74] fib6_rule_lookup+0x456/0x630 [ 6533.421588][ T74] ip6_route_input+0x59c/0xa50 [ 6533.421588][ T74] ipv6_rcv+0x397/0x810 [ 6533.421588][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6533.421588][ T74] process_backlog+0x101/0x620 [ 6533.421588][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6533.421588][ T74] net_rx_action+0x495/0xbe0 [ 6533.421588][ T74] __do_softirq+0x1b5/0x7f6 [ 6533.421588][ T74] [ 6533.423218][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6533.423218][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6533.423218][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6533.423218][ T74] fib6_nh_init+0xa22/0x1580 [ 6533.423218][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6533.423218][ T74] ip6_route_add+0x1c/0x140 [ 6533.423218][ T74] inet6_rtm_newroute+0x104/0x110 [ 6533.423218][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6533.423218][ T74] netlink_rcv_skb+0x130/0x360 [ 6533.423218][ T74] netlink_unicast+0x449/0x710 [ 6533.423218][ T74] netlink_sendmsg+0x723/0xbe0 [ 6533.423218][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6533.423218][ T74] ___sys_sendmsg+0xee/0x170 [ 6533.423218][ T74] __sys_sendmsg+0xcd/0x170 [ 6533.423218][ T74] do_syscall_64+0xc6/0x1e0 [ 6533.423218][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6533.423218][ T74] [ 6533.425089][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6533.425089][ T74] netdev_get_by_index+0x5e/0x80 [ 6533.425089][ T74] fib6_nh_init+0x3d8/0x1580 [ 6533.425089][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6533.425089][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6533.425089][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6533.425089][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6533.425089][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6533.425089][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6533.425089][ T74] addrconf_dad_begin+0x310/0x670 [ 6533.425089][ T74] addrconf_dad_work+0x10b/0xab0 [ 6533.425089][ T74] process_one_work+0x84d/0x18a0 [ 6533.425089][ T74] worker_thread+0x587/0xd30 [ 6533.425089][ T74] kthread+0x28a/0x350 [ 6533.425089][ T74] ret_from_fork+0x31/0x70 [ 6533.425089][ T74] ret_from_fork_asm+0x1a/0x30 [ 6533.425089][ T74] [ 6533.426985][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6533.426985][ T74] netdev_get_by_index+0x5e/0x80 [ 6533.426985][ T74] fib6_nh_init+0x3d8/0x1580 [ 6533.426985][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6533.426985][ T74] ip6_route_add+0x1c/0x140 [ 6533.426985][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6533.426985][ T74] inet6_addr_add+0x4f8/0xa40 [ 6533.426985][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6533.426985][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6533.426985][ T74] netlink_rcv_skb+0x130/0x360 [ 6533.426985][ T74] netlink_unicast+0x449/0x710 [ 6533.426985][ T74] netlink_sendmsg+0x723/0xbe0 [ 6533.426985][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6533.426985][ T74] ___sys_sendmsg+0xee/0x170 [ 6533.426985][ T74] __sys_sendmsg+0xcd/0x170 [ 6533.426985][ T74] do_syscall_64+0xc6/0x1e0 [ 6533.426985][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6533.426985][ T74] [ 6533.428973][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6533.428973][ T74] netdev_get_by_index+0x5e/0x80 [ 6533.428973][ T74] fib6_nh_init+0x3d8/0x1580 [ 6533.428973][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6533.428973][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6533.428973][ T74] ipv6_add_addr+0x411/0x2000 [ 6533.428973][ T74] inet6_addr_add+0x30e/0xa40 [ 6533.428973][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6533.428973][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6533.428973][ T74] netlink_rcv_skb+0x130/0x360 [ 6533.428973][ T74] netlink_unicast+0x449/0x710 [ 6533.428973][ T74] netlink_sendmsg+0x723/0xbe0 [ 6533.428973][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6533.428973][ T74] ___sys_sendmsg+0xee/0x170 [ 6533.428973][ T74] __sys_sendmsg+0xcd/0x170 [ 6533.428973][ T74] do_syscall_64+0xc6/0x1e0 [ 6533.428973][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6533.428973][ T74] [ 6533.430958][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6533.430958][ T74] netdev_get_by_index+0x5e/0x80 [ 6533.430958][ T74] fib6_nh_init+0x3d8/0x1580 [ 6533.430958][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6533.430958][ T74] ip6_route_add+0x1c/0x140 [ 6533.430958][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6533.430958][ T74] addrconf_add_dev+0xe2/0x170 [ 6533.430958][ T74] inet6_addr_add+0x12f/0xa40 [ 6533.430958][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6533.430958][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6533.430958][ T74] netlink_rcv_skb+0x130/0x360 [ 6533.430958][ T74] netlink_unicast+0x449/0x710 [ 6533.430958][ T74] netlink_sendmsg+0x723/0xbe0 [ 6533.430958][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6533.430958][ T74] ___sys_sendmsg+0xee/0x170 [ 6533.430958][ T74] __sys_sendmsg+0xcd/0x170 [ 6533.430958][ T74] do_syscall_64+0xc6/0x1e0 [ 6533.430958][ T74] [ 6533.432912][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6533.432912][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6533.432912][ T74] ipv6_find_idev+0x102/0x170 [ 6533.432912][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6533.432912][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6533.432912][ T74] netlink_rcv_skb+0x130/0x360 [ 6533.432912][ T74] netlink_unicast+0x449/0x710 [ 6533.432912][ T74] netlink_sendmsg+0x723/0xbe0 [ 6533.432912][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6533.432912][ T74] ___sys_sendmsg+0xee/0x170 [ 6533.432912][ T74] __sys_sendmsg+0xcd/0x170 [ 6533.432912][ T74] do_syscall_64+0xc6/0x1e0 [ 6533.432912][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6533.432912][ T74] [ 6533.434569][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6533.434569][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6533.434569][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6533.434569][ T74] ipv6_find_idev+0x102/0x170 [ 6533.434569][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6533.434569][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6533.434569][ T74] netlink_rcv_skb+0x130/0x360 [ 6533.434569][ T74] netlink_unicast+0x449/0x710 [ 6533.434569][ T74] netlink_sendmsg+0x723/0xbe0 [ 6533.434569][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6533.434569][ T74] ___sys_sendmsg+0xee/0x170 [ 6533.434569][ T74] __sys_sendmsg+0xcd/0x170 [ 6533.434569][ T74] do_syscall_64+0xc6/0x1e0 [ 6533.434569][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6533.434569][ T74] [ 6533.436416][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6533.436711][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6533.436711][ T74] netdev_get_by_index+0x5e/0x80 [ 6533.436711][ T74] fib6_nh_init+0x3d8/0x1580 [ 6533.436711][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6533.436711][ T74] ip6_route_add+0x1c/0x140 [ 6533.436711][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6533.436711][ T74] inet6_addr_add+0x4f8/0xa40 [ 6533.436711][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6533.436711][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6533.436711][ T74] netlink_rcv_skb+0x130/0x360 [ 6533.436711][ T74] netlink_unicast+0x449/0x710 [ 6533.436711][ T74] netlink_sendmsg+0x723/0xbe0 [ 6533.436711][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6533.436711][ T74] ___sys_sendmsg+0xee/0x170 [ 6533.436711][ T74] __sys_sendmsg+0xcd/0x170 [ 6533.436711][ T74] do_syscall_64+0xc6/0x1e0 [ 6533.436711][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6533.436711][ T74] [ 6533.438847][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6533.438847][ T74] netdev_get_by_index+0x5e/0x80 [ 6533.438847][ T74] fib6_nh_init+0x3d8/0x1580 [ 6533.438847][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6533.438847][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6533.438847][ T74] ipv6_add_addr+0x411/0x2000 [ 6533.438847][ T74] inet6_addr_add+0x30e/0xa40 [ 6533.438847][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6533.438847][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6533.438847][ T74] netlink_rcv_skb+0x130/0x360 [ 6533.438847][ T74] netlink_unicast+0x449/0x710 [ 6533.438847][ T74] netlink_sendmsg+0x723/0xbe0 [ 6533.438847][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6533.438847][ T74] ___sys_sendmsg+0xee/0x170 [ 6533.438847][ T74] __sys_sendmsg+0xcd/0x170 [ 6533.438847][ T74] do_syscall_64+0xc6/0x1e0 [ 6533.438847][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6533.438847][ T74] [ 6533.441095][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6533.441095][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6533.441095][ T74] ipv6_find_idev+0x102/0x170 [ 6533.441095][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6533.441095][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6533.441095][ T74] netlink_rcv_skb+0x130/0x360 [ 6533.441095][ T74] netlink_unicast+0x449/0x710 [ 6533.441095][ T74] netlink_sendmsg+0x723/0xbe0 [ 6533.441095][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6533.441095][ T74] ___sys_sendmsg+0xee/0x170 [ 6533.441095][ T74] __sys_sendmsg+0xcd/0x170 [ 6533.441095][ T74] do_syscall_64+0xc6/0x1e0 [ 6533.441095][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6533.441095][ T74] [ 6533.442759][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6533.442759][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6533.442759][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6533.442759][ T74] ipv6_find_idev+0x102/0x170 [ 6533.442759][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6533.442759][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6533.442759][ T74] netlink_rcv_skb+0x130/0x360 [ 6533.442759][ T74] netlink_unicast+0x449/0x710 [ 6533.442759][ T74] netlink_sendmsg+0x723/0xbe0 [ 6533.442759][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6533.442759][ T74] ___sys_sendmsg+0xee/0x170 [ 6533.442759][ T74] __sys_sendmsg+0xcd/0x170 [ 6533.442759][ T74] do_syscall_64+0xc6/0x1e0 [ 6533.442759][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6533.442759][ T74] [ 6543.543895][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6543.544314][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6543.544314][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6543.544314][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6543.544314][ T74] fib6_nh_init+0xa22/0x1580 [ 6543.544314][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6543.544314][ T74] ip6_route_add+0x1c/0x140 [ 6543.544314][ T74] inet6_rtm_newroute+0x104/0x110 [ 6543.544314][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6543.544314][ T74] netlink_rcv_skb+0x130/0x360 [ 6543.544314][ T74] netlink_unicast+0x449/0x710 [ 6543.544314][ T74] netlink_sendmsg+0x723/0xbe0 [ 6543.544314][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6543.544314][ T74] ___sys_sendmsg+0xee/0x170 [ 6543.544314][ T74] __sys_sendmsg+0xcd/0x170 [ 6543.544314][ T74] do_syscall_64+0xc6/0x1e0 [ 6543.544314][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6543.544314][ T74] [ 6543.546217][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6543.546217][ T74] netdev_get_by_index+0x5e/0x80 [ 6543.546217][ T74] fib6_nh_init+0x3d8/0x1580 [ 6543.546217][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6543.546217][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6543.546217][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6543.546217][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6543.546217][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6543.546217][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6543.546217][ T74] addrconf_dad_begin+0x310/0x670 [ 6543.546217][ T74] addrconf_dad_work+0x10b/0xab0 [ 6543.546217][ T74] process_one_work+0x84d/0x18a0 [ 6543.546217][ T74] worker_thread+0x587/0xd30 [ 6543.546217][ T74] kthread+0x28a/0x350 [ 6543.546217][ T74] ret_from_fork+0x31/0x70 [ 6543.546217][ T74] ret_from_fork_asm+0x1a/0x30 [ 6543.546217][ T74] [ 6543.548129][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6543.548129][ T74] netdev_get_by_index+0x5e/0x80 [ 6543.548129][ T74] fib6_nh_init+0x3d8/0x1580 [ 6543.548129][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6543.548129][ T74] ip6_route_add+0x1c/0x140 [ 6543.548129][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6543.548129][ T74] inet6_addr_add+0x4f8/0xa40 [ 6543.548129][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6543.548129][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6543.548129][ T74] netlink_rcv_skb+0x130/0x360 [ 6543.548129][ T74] netlink_unicast+0x449/0x710 [ 6543.548129][ T74] netlink_sendmsg+0x723/0xbe0 [ 6543.548129][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6543.548129][ T74] ___sys_sendmsg+0xee/0x170 [ 6543.548129][ T74] __sys_sendmsg+0xcd/0x170 [ 6543.548129][ T74] do_syscall_64+0xc6/0x1e0 [ 6543.548129][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6543.548129][ T74] [ 6543.550118][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6543.550118][ T74] netdev_get_by_index+0x5e/0x80 [ 6543.550118][ T74] fib6_nh_init+0x3d8/0x1580 [ 6543.550118][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6543.550118][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6543.550118][ T74] ipv6_add_addr+0x411/0x2000 [ 6543.550118][ T74] inet6_addr_add+0x30e/0xa40 [ 6543.550118][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6543.550118][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6543.550118][ T74] netlink_rcv_skb+0x130/0x360 [ 6543.550118][ T74] netlink_unicast+0x449/0x710 [ 6543.550118][ T74] netlink_sendmsg+0x723/0xbe0 [ 6543.550118][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6543.550118][ T74] ___sys_sendmsg+0xee/0x170 [ 6543.550118][ T74] __sys_sendmsg+0xcd/0x170 [ 6543.550118][ T74] do_syscall_64+0xc6/0x1e0 [ 6543.550118][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6543.550118][ T74] [ 6543.552109][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6543.552109][ T74] netdev_get_by_index+0x5e/0x80 [ 6543.552109][ T74] fib6_nh_init+0x3d8/0x1580 [ 6543.552109][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6543.552109][ T74] ip6_route_add+0x1c/0x140 [ 6543.552109][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6543.552109][ T74] addrconf_add_dev+0xe2/0x170 [ 6543.552109][ T74] inet6_addr_add+0x12f/0xa40 [ 6543.552109][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6543.552109][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6543.552109][ T74] netlink_rcv_skb+0x130/0x360 [ 6543.552109][ T74] netlink_unicast+0x449/0x710 [ 6543.552109][ T74] netlink_sendmsg+0x723/0xbe0 [ 6543.552109][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6543.552109][ T74] ___sys_sendmsg+0xee/0x170 [ 6543.552109][ T74] __sys_sendmsg+0xcd/0x170 [ 6543.552109][ T74] do_syscall_64+0xc6/0x1e0 [ 6543.552109][ T74] [ 6543.554065][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6543.554065][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6543.554065][ T74] ipv6_find_idev+0x102/0x170 [ 6543.554065][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6543.554065][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6543.554065][ T74] netlink_rcv_skb+0x130/0x360 [ 6543.554065][ T74] netlink_unicast+0x449/0x710 [ 6543.554065][ T74] netlink_sendmsg+0x723/0xbe0 [ 6543.554065][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6543.554065][ T74] ___sys_sendmsg+0xee/0x170 [ 6543.554065][ T74] __sys_sendmsg+0xcd/0x170 [ 6543.554065][ T74] do_syscall_64+0xc6/0x1e0 [ 6543.554065][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6543.554065][ T74] [ 6543.555601][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6543.555601][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6543.555601][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6543.555601][ T74] ipv6_find_idev+0x102/0x170 [ 6543.555601][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6543.555601][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6543.555601][ T74] netlink_rcv_skb+0x130/0x360 [ 6543.555601][ T74] netlink_unicast+0x449/0x710 [ 6543.555601][ T74] netlink_sendmsg+0x723/0xbe0 [ 6543.555601][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6543.555601][ T74] ___sys_sendmsg+0xee/0x170 [ 6543.555601][ T74] __sys_sendmsg+0xcd/0x170 [ 6543.555601][ T74] do_syscall_64+0xc6/0x1e0 [ 6543.555601][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6543.555601][ T74] [ 6543.557285][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6543.557555][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6543.557555][ T74] dst_init+0x84/0x4a0 [ 6543.557555][ T74] dst_alloc+0x97/0x150 [ 6543.557555][ T74] ip6_dst_alloc+0x23/0x90 [ 6543.557555][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6543.557555][ T74] ip6_pol_route+0x56f/0x840 [ 6543.557555][ T74] fib6_rule_lookup+0x456/0x630 [ 6543.557555][ T74] ip6_route_input+0x59c/0xa50 [ 6543.557555][ T74] ipv6_rcv+0x397/0x810 [ 6543.557555][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6543.557555][ T74] process_backlog+0x101/0x620 [ 6543.557555][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6543.557555][ T74] net_rx_action+0x495/0xbe0 [ 6543.557555][ T74] __do_softirq+0x1b5/0x7f6 [ 6543.557555][ T74] [ 6543.559189][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6543.559189][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6543.559189][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6543.559189][ T74] fib6_nh_init+0xa22/0x1580 [ 6543.559189][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6543.559189][ T74] ip6_route_add+0x1c/0x140 [ 6543.559189][ T74] inet6_rtm_newroute+0x104/0x110 [ 6543.559189][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6543.559189][ T74] netlink_rcv_skb+0x130/0x360 [ 6543.559189][ T74] netlink_unicast+0x449/0x710 [ 6543.559189][ T74] netlink_sendmsg+0x723/0xbe0 [ 6543.559189][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6543.559189][ T74] ___sys_sendmsg+0xee/0x170 [ 6543.559189][ T74] __sys_sendmsg+0xcd/0x170 [ 6543.559189][ T74] do_syscall_64+0xc6/0x1e0 [ 6543.559189][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6543.559189][ T74] [ 6543.561057][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6543.561057][ T74] netdev_get_by_index+0x5e/0x80 [ 6543.561057][ T74] fib6_nh_init+0x3d8/0x1580 [ 6543.561057][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6543.561057][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6543.561057][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6543.561057][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6543.561057][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6543.561057][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6543.561057][ T74] addrconf_dad_begin+0x310/0x670 [ 6543.561057][ T74] addrconf_dad_work+0x10b/0xab0 [ 6543.561057][ T74] process_one_work+0x84d/0x18a0 [ 6543.561057][ T74] worker_thread+0x587/0xd30 [ 6543.561057][ T74] kthread+0x28a/0x350 [ 6543.561057][ T74] ret_from_fork+0x31/0x70 [ 6543.561057][ T74] ret_from_fork_asm+0x1a/0x30 [ 6543.561057][ T74] [ 6543.562966][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6543.562966][ T74] netdev_get_by_index+0x5e/0x80 [ 6543.562966][ T74] fib6_nh_init+0x3d8/0x1580 [ 6543.562966][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6543.562966][ T74] ip6_route_add+0x1c/0x140 [ 6543.562966][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6543.562966][ T74] inet6_addr_add+0x4f8/0xa40 [ 6543.562966][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6543.562966][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6543.562966][ T74] netlink_rcv_skb+0x130/0x360 [ 6543.562966][ T74] netlink_unicast+0x449/0x710 [ 6543.562966][ T74] netlink_sendmsg+0x723/0xbe0 [ 6543.562966][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6543.562966][ T74] ___sys_sendmsg+0xee/0x170 [ 6543.562966][ T74] __sys_sendmsg+0xcd/0x170 [ 6543.562966][ T74] do_syscall_64+0xc6/0x1e0 [ 6543.562966][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6543.562966][ T74] [ 6543.564957][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6543.564957][ T74] netdev_get_by_index+0x5e/0x80 [ 6543.564957][ T74] fib6_nh_init+0x3d8/0x1580 [ 6543.564957][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6543.564957][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6543.564957][ T74] ipv6_add_addr+0x411/0x2000 [ 6543.564957][ T74] inet6_addr_add+0x30e/0xa40 [ 6543.564957][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6543.564957][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6543.564957][ T74] netlink_rcv_skb+0x130/0x360 [ 6543.564957][ T74] netlink_unicast+0x449/0x710 [ 6543.564957][ T74] netlink_sendmsg+0x723/0xbe0 [ 6543.564957][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6543.564957][ T74] ___sys_sendmsg+0xee/0x170 [ 6543.564957][ T74] __sys_sendmsg+0xcd/0x170 [ 6543.564957][ T74] do_syscall_64+0xc6/0x1e0 [ 6543.564957][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6543.564957][ T74] [ 6543.566957][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6543.566957][ T74] netdev_get_by_index+0x5e/0x80 [ 6543.566957][ T74] fib6_nh_init+0x3d8/0x1580 [ 6543.566957][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6543.566957][ T74] ip6_route_add+0x1c/0x140 [ 6543.566957][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6543.566957][ T74] addrconf_add_dev+0xe2/0x170 [ 6543.566957][ T74] inet6_addr_add+0x12f/0xa40 [ 6543.566957][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6543.566957][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6543.566957][ T74] netlink_rcv_skb+0x130/0x360 [ 6543.566957][ T74] netlink_unicast+0x449/0x710 [ 6543.566957][ T74] netlink_sendmsg+0x723/0xbe0 [ 6543.566957][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6543.566957][ T74] ___sys_sendmsg+0xee/0x170 [ 6543.566957][ T74] __sys_sendmsg+0xcd/0x170 [ 6543.566957][ T74] do_syscall_64+0xc6/0x1e0 [ 6543.566957][ T74] [ 6543.568917][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6543.568917][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6543.568917][ T74] ipv6_find_idev+0x102/0x170 [ 6543.568917][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6543.568917][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6543.568917][ T74] netlink_rcv_skb+0x130/0x360 [ 6543.568917][ T74] netlink_unicast+0x449/0x710 [ 6543.568917][ T74] netlink_sendmsg+0x723/0xbe0 [ 6543.568917][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6543.568917][ T74] ___sys_sendmsg+0xee/0x170 [ 6543.568917][ T74] __sys_sendmsg+0xcd/0x170 [ 6543.568917][ T74] do_syscall_64+0xc6/0x1e0 [ 6543.568917][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6543.568917][ T74] [ 6543.570574][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6543.570574][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6543.570574][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6543.570574][ T74] ipv6_find_idev+0x102/0x170 [ 6543.570574][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6543.570574][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6543.570574][ T74] netlink_rcv_skb+0x130/0x360 [ 6543.570574][ T74] netlink_unicast+0x449/0x710 [ 6543.570574][ T74] netlink_sendmsg+0x723/0xbe0 [ 6543.570574][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6543.570574][ T74] ___sys_sendmsg+0xee/0x170 [ 6543.570574][ T74] __sys_sendmsg+0xcd/0x170 [ 6543.570574][ T74] do_syscall_64+0xc6/0x1e0 [ 6543.570574][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6543.570574][ T74] [ 6543.572503][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6543.572805][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6543.572805][ T74] netdev_get_by_index+0x5e/0x80 [ 6543.572805][ T74] fib6_nh_init+0x3d8/0x1580 [ 6543.572805][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6543.572805][ T74] ip6_route_add+0x1c/0x140 [ 6543.572805][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6543.572805][ T74] inet6_addr_add+0x4f8/0xa40 [ 6543.572805][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6543.572805][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6543.572805][ T74] netlink_rcv_skb+0x130/0x360 [ 6543.572805][ T74] netlink_unicast+0x449/0x710 [ 6543.572805][ T74] netlink_sendmsg+0x723/0xbe0 [ 6543.572805][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6543.572805][ T74] ___sys_sendmsg+0xee/0x170 [ 6543.572805][ T74] __sys_sendmsg+0xcd/0x170 [ 6543.572805][ T74] do_syscall_64+0xc6/0x1e0 [ 6543.572805][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6543.572805][ T74] [ 6543.574918][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6543.574918][ T74] netdev_get_by_index+0x5e/0x80 [ 6543.574918][ T74] fib6_nh_init+0x3d8/0x1580 [ 6543.574918][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6543.574918][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6543.574918][ T74] ipv6_add_addr+0x411/0x2000 [ 6543.574918][ T74] inet6_addr_add+0x30e/0xa40 [ 6543.574918][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6543.574918][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6543.574918][ T74] netlink_rcv_skb+0x130/0x360 [ 6543.574918][ T74] netlink_unicast+0x449/0x710 [ 6543.574918][ T74] netlink_sendmsg+0x723/0xbe0 [ 6543.574918][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6543.574918][ T74] ___sys_sendmsg+0xee/0x170 [ 6543.574918][ T74] __sys_sendmsg+0xcd/0x170 [ 6543.574918][ T74] do_syscall_64+0xc6/0x1e0 [ 6543.574918][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6543.574918][ T74] [ 6543.577149][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6543.577149][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6543.577149][ T74] ipv6_find_idev+0x102/0x170 [ 6543.577149][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6543.577149][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6543.577149][ T74] netlink_rcv_skb+0x130/0x360 [ 6543.577149][ T74] netlink_unicast+0x449/0x710 [ 6543.577149][ T74] netlink_sendmsg+0x723/0xbe0 [ 6543.577149][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6543.577149][ T74] ___sys_sendmsg+0xee/0x170 [ 6543.577149][ T74] __sys_sendmsg+0xcd/0x170 [ 6543.577149][ T74] do_syscall_64+0xc6/0x1e0 [ 6543.577149][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6543.577149][ T74] [ 6543.578817][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6543.578817][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6543.578817][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6543.578817][ T74] ipv6_find_idev+0x102/0x170 [ 6543.578817][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6543.578817][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6543.578817][ T74] netlink_rcv_skb+0x130/0x360 [ 6543.578817][ T74] netlink_unicast+0x449/0x710 [ 6543.578817][ T74] netlink_sendmsg+0x723/0xbe0 [ 6543.578817][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6543.578817][ T74] ___sys_sendmsg+0xee/0x170 [ 6543.578817][ T74] __sys_sendmsg+0xcd/0x170 [ 6543.578817][ T74] do_syscall_64+0xc6/0x1e0 [ 6543.578817][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6543.578817][ T74] [ 6553.663967][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6553.664327][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6553.664327][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6553.664327][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6553.664327][ T74] fib6_nh_init+0xa22/0x1580 [ 6553.664327][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6553.664327][ T74] ip6_route_add+0x1c/0x140 [ 6553.664327][ T74] inet6_rtm_newroute+0x104/0x110 [ 6553.664327][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6553.664327][ T74] netlink_rcv_skb+0x130/0x360 [ 6553.664327][ T74] netlink_unicast+0x449/0x710 [ 6553.664327][ T74] netlink_sendmsg+0x723/0xbe0 [ 6553.664327][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6553.664327][ T74] ___sys_sendmsg+0xee/0x170 [ 6553.664327][ T74] __sys_sendmsg+0xcd/0x170 [ 6553.664327][ T74] do_syscall_64+0xc6/0x1e0 [ 6553.664327][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6553.664327][ T74] [ 6553.666221][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6553.666221][ T74] netdev_get_by_index+0x5e/0x80 [ 6553.666221][ T74] fib6_nh_init+0x3d8/0x1580 [ 6553.666221][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6553.666221][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6553.666221][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6553.666221][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6553.666221][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6553.666221][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6553.666221][ T74] addrconf_dad_begin+0x310/0x670 [ 6553.666221][ T74] addrconf_dad_work+0x10b/0xab0 [ 6553.666221][ T74] process_one_work+0x84d/0x18a0 [ 6553.666221][ T74] worker_thread+0x587/0xd30 [ 6553.666221][ T74] kthread+0x28a/0x350 [ 6553.666221][ T74] ret_from_fork+0x31/0x70 [ 6553.666221][ T74] ret_from_fork_asm+0x1a/0x30 [ 6553.666221][ T74] [ 6553.668152][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6553.668152][ T74] netdev_get_by_index+0x5e/0x80 [ 6553.668152][ T74] fib6_nh_init+0x3d8/0x1580 [ 6553.668152][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6553.668152][ T74] ip6_route_add+0x1c/0x140 [ 6553.668152][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6553.668152][ T74] inet6_addr_add+0x4f8/0xa40 [ 6553.668152][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6553.668152][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6553.668152][ T74] netlink_rcv_skb+0x130/0x360 [ 6553.668152][ T74] netlink_unicast+0x449/0x710 [ 6553.668152][ T74] netlink_sendmsg+0x723/0xbe0 [ 6553.668152][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6553.668152][ T74] ___sys_sendmsg+0xee/0x170 [ 6553.668152][ T74] __sys_sendmsg+0xcd/0x170 [ 6553.668152][ T74] do_syscall_64+0xc6/0x1e0 [ 6553.668152][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6553.668152][ T74] [ 6553.670152][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6553.670152][ T74] netdev_get_by_index+0x5e/0x80 [ 6553.670152][ T74] fib6_nh_init+0x3d8/0x1580 [ 6553.670152][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6553.670152][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6553.670152][ T74] ipv6_add_addr+0x411/0x2000 [ 6553.670152][ T74] inet6_addr_add+0x30e/0xa40 [ 6553.670152][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6553.670152][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6553.670152][ T74] netlink_rcv_skb+0x130/0x360 [ 6553.670152][ T74] netlink_unicast+0x449/0x710 [ 6553.670152][ T74] netlink_sendmsg+0x723/0xbe0 [ 6553.670152][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6553.670152][ T74] ___sys_sendmsg+0xee/0x170 [ 6553.670152][ T74] __sys_sendmsg+0xcd/0x170 [ 6553.670152][ T74] do_syscall_64+0xc6/0x1e0 [ 6553.670152][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6553.670152][ T74] [ 6553.672162][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6553.672162][ T74] netdev_get_by_index+0x5e/0x80 [ 6553.672162][ T74] fib6_nh_init+0x3d8/0x1580 [ 6553.672162][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6553.672162][ T74] ip6_route_add+0x1c/0x140 [ 6553.672162][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6553.672162][ T74] addrconf_add_dev+0xe2/0x170 [ 6553.672162][ T74] inet6_addr_add+0x12f/0xa40 [ 6553.672162][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6553.672162][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6553.672162][ T74] netlink_rcv_skb+0x130/0x360 [ 6553.672162][ T74] netlink_unicast+0x449/0x710 [ 6553.672162][ T74] netlink_sendmsg+0x723/0xbe0 [ 6553.672162][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6553.672162][ T74] ___sys_sendmsg+0xee/0x170 [ 6553.672162][ T74] __sys_sendmsg+0xcd/0x170 [ 6553.672162][ T74] do_syscall_64+0xc6/0x1e0 [ 6553.672162][ T74] [ 6553.674129][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6553.674129][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6553.674129][ T74] ipv6_find_idev+0x102/0x170 [ 6553.674129][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6553.674129][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6553.674129][ T74] netlink_rcv_skb+0x130/0x360 [ 6553.674129][ T74] netlink_unicast+0x449/0x710 [ 6553.674129][ T74] netlink_sendmsg+0x723/0xbe0 [ 6553.674129][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6553.674129][ T74] ___sys_sendmsg+0xee/0x170 [ 6553.674129][ T74] __sys_sendmsg+0xcd/0x170 [ 6553.674129][ T74] do_syscall_64+0xc6/0x1e0 [ 6553.674129][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6553.674129][ T74] [ 6553.675663][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6553.675663][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6553.675663][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6553.675663][ T74] ipv6_find_idev+0x102/0x170 [ 6553.675663][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6553.675663][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6553.675663][ T74] netlink_rcv_skb+0x130/0x360 [ 6553.675663][ T74] netlink_unicast+0x449/0x710 [ 6553.675663][ T74] netlink_sendmsg+0x723/0xbe0 [ 6553.675663][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6553.675663][ T74] ___sys_sendmsg+0xee/0x170 [ 6553.675663][ T74] __sys_sendmsg+0xcd/0x170 [ 6553.675663][ T74] do_syscall_64+0xc6/0x1e0 [ 6553.675663][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6553.675663][ T74] [ 6553.677371][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6553.677647][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6553.677647][ T74] dst_init+0x84/0x4a0 [ 6553.677647][ T74] dst_alloc+0x97/0x150 [ 6553.677647][ T74] ip6_dst_alloc+0x23/0x90 [ 6553.677647][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6553.677647][ T74] ip6_pol_route+0x56f/0x840 [ 6553.677647][ T74] fib6_rule_lookup+0x456/0x630 [ 6553.677647][ T74] ip6_route_input+0x59c/0xa50 [ 6553.677647][ T74] ipv6_rcv+0x397/0x810 [ 6553.677647][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6553.677647][ T74] process_backlog+0x101/0x620 [ 6553.677647][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6553.677647][ T74] net_rx_action+0x495/0xbe0 [ 6553.677647][ T74] __do_softirq+0x1b5/0x7f6 [ 6553.677647][ T74] [ 6553.679286][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6553.679286][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6553.679286][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6553.679286][ T74] fib6_nh_init+0xa22/0x1580 [ 6553.679286][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6553.679286][ T74] ip6_route_add+0x1c/0x140 [ 6553.679286][ T74] inet6_rtm_newroute+0x104/0x110 [ 6553.679286][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6553.679286][ T74] netlink_rcv_skb+0x130/0x360 [ 6553.679286][ T74] netlink_unicast+0x449/0x710 [ 6553.679286][ T74] netlink_sendmsg+0x723/0xbe0 [ 6553.679286][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6553.679286][ T74] ___sys_sendmsg+0xee/0x170 [ 6553.679286][ T74] __sys_sendmsg+0xcd/0x170 [ 6553.679286][ T74] do_syscall_64+0xc6/0x1e0 [ 6553.679286][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6553.679286][ T74] [ 6553.681159][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6553.681159][ T74] netdev_get_by_index+0x5e/0x80 [ 6553.681159][ T74] fib6_nh_init+0x3d8/0x1580 [ 6553.681159][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6553.681159][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6553.681159][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6553.681159][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6553.681159][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6553.681159][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6553.681159][ T74] addrconf_dad_begin+0x310/0x670 [ 6553.681159][ T74] addrconf_dad_work+0x10b/0xab0 [ 6553.681159][ T74] process_one_work+0x84d/0x18a0 [ 6553.681159][ T74] worker_thread+0x587/0xd30 [ 6553.681159][ T74] kthread+0x28a/0x350 [ 6553.681159][ T74] ret_from_fork+0x31/0x70 [ 6553.681159][ T74] ret_from_fork_asm+0x1a/0x30 [ 6553.681159][ T74] [ 6553.683071][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6553.683071][ T74] netdev_get_by_index+0x5e/0x80 [ 6553.683071][ T74] fib6_nh_init+0x3d8/0x1580 [ 6553.683071][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6553.683071][ T74] ip6_route_add+0x1c/0x140 [ 6553.683071][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6553.683071][ T74] inet6_addr_add+0x4f8/0xa40 [ 6553.683071][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6553.683071][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6553.683071][ T74] netlink_rcv_skb+0x130/0x360 [ 6553.683071][ T74] netlink_unicast+0x449/0x710 [ 6553.683071][ T74] netlink_sendmsg+0x723/0xbe0 [ 6553.683071][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6553.683071][ T74] ___sys_sendmsg+0xee/0x170 [ 6553.683071][ T74] __sys_sendmsg+0xcd/0x170 [ 6553.683071][ T74] do_syscall_64+0xc6/0x1e0 [ 6553.683071][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6553.683071][ T74] [ 6553.685075][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6553.685075][ T74] netdev_get_by_index+0x5e/0x80 [ 6553.685075][ T74] fib6_nh_init+0x3d8/0x1580 [ 6553.685075][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6553.685075][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6553.685075][ T74] ipv6_add_addr+0x411/0x2000 [ 6553.685075][ T74] inet6_addr_add+0x30e/0xa40 [ 6553.685075][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6553.685075][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6553.685075][ T74] netlink_rcv_skb+0x130/0x360 [ 6553.685075][ T74] netlink_unicast+0x449/0x710 [ 6553.685075][ T74] netlink_sendmsg+0x723/0xbe0 [ 6553.685075][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6553.685075][ T74] ___sys_sendmsg+0xee/0x170 [ 6553.685075][ T74] __sys_sendmsg+0xcd/0x170 [ 6553.685075][ T74] do_syscall_64+0xc6/0x1e0 [ 6553.685075][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6553.685075][ T74] [ 6553.687068][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6553.687068][ T74] netdev_get_by_index+0x5e/0x80 [ 6553.687068][ T74] fib6_nh_init+0x3d8/0x1580 [ 6553.687068][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6553.687068][ T74] ip6_route_add+0x1c/0x140 [ 6553.687068][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6553.687068][ T74] addrconf_add_dev+0xe2/0x170 [ 6553.687068][ T74] inet6_addr_add+0x12f/0xa40 [ 6553.687068][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6553.687068][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6553.687068][ T74] netlink_rcv_skb+0x130/0x360 [ 6553.687068][ T74] netlink_unicast+0x449/0x710 [ 6553.687068][ T74] netlink_sendmsg+0x723/0xbe0 [ 6553.687068][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6553.687068][ T74] ___sys_sendmsg+0xee/0x170 [ 6553.687068][ T74] __sys_sendmsg+0xcd/0x170 [ 6553.687068][ T74] do_syscall_64+0xc6/0x1e0 [ 6553.687068][ T74] [ 6553.689039][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6553.689039][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6553.689039][ T74] ipv6_find_idev+0x102/0x170 [ 6553.689039][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6553.689039][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6553.689039][ T74] netlink_rcv_skb+0x130/0x360 [ 6553.689039][ T74] netlink_unicast+0x449/0x710 [ 6553.689039][ T74] netlink_sendmsg+0x723/0xbe0 [ 6553.689039][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6553.689039][ T74] ___sys_sendmsg+0xee/0x170 [ 6553.689039][ T74] __sys_sendmsg+0xcd/0x170 [ 6553.689039][ T74] do_syscall_64+0xc6/0x1e0 [ 6553.689039][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6553.689039][ T74] [ 6553.690638][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6553.690638][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6553.690638][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6553.690638][ T74] ipv6_find_idev+0x102/0x170 [ 6553.690638][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6553.690638][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6553.690638][ T74] netlink_rcv_skb+0x130/0x360 [ 6553.690638][ T74] netlink_unicast+0x449/0x710 [ 6553.690638][ T74] netlink_sendmsg+0x723/0xbe0 [ 6553.690638][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6553.690638][ T74] ___sys_sendmsg+0xee/0x170 [ 6553.690638][ T74] __sys_sendmsg+0xcd/0x170 [ 6553.690638][ T74] do_syscall_64+0xc6/0x1e0 [ 6553.690638][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6553.690638][ T74] [ 6553.692449][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6553.692751][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6553.692751][ T74] netdev_get_by_index+0x5e/0x80 [ 6553.692751][ T74] fib6_nh_init+0x3d8/0x1580 [ 6553.692751][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6553.692751][ T74] ip6_route_add+0x1c/0x140 [ 6553.692751][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6553.692751][ T74] inet6_addr_add+0x4f8/0xa40 [ 6553.692751][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6553.692751][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6553.692751][ T74] netlink_rcv_skb+0x130/0x360 [ 6553.692751][ T74] netlink_unicast+0x449/0x710 [ 6553.692751][ T74] netlink_sendmsg+0x723/0xbe0 [ 6553.692751][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6553.692751][ T74] ___sys_sendmsg+0xee/0x170 [ 6553.692751][ T74] __sys_sendmsg+0xcd/0x170 [ 6553.692751][ T74] do_syscall_64+0xc6/0x1e0 [ 6553.692751][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6553.692751][ T74] [ 6553.694822][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6553.694822][ T74] netdev_get_by_index+0x5e/0x80 [ 6553.694822][ T74] fib6_nh_init+0x3d8/0x1580 [ 6553.694822][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6553.694822][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6553.694822][ T74] ipv6_add_addr+0x411/0x2000 [ 6553.694822][ T74] inet6_addr_add+0x30e/0xa40 [ 6553.694822][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6553.694822][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6553.694822][ T74] netlink_rcv_skb+0x130/0x360 [ 6553.694822][ T74] netlink_unicast+0x449/0x710 [ 6553.694822][ T74] netlink_sendmsg+0x723/0xbe0 [ 6553.694822][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6553.694822][ T74] ___sys_sendmsg+0xee/0x170 [ 6553.694822][ T74] __sys_sendmsg+0xcd/0x170 [ 6553.694822][ T74] do_syscall_64+0xc6/0x1e0 [ 6553.694822][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6553.694822][ T74] [ 6553.696941][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6553.696941][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6553.696941][ T74] ipv6_find_idev+0x102/0x170 [ 6553.696941][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6553.696941][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6553.696941][ T74] netlink_rcv_skb+0x130/0x360 [ 6553.696941][ T74] netlink_unicast+0x449/0x710 [ 6553.696941][ T74] netlink_sendmsg+0x723/0xbe0 [ 6553.696941][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6553.696941][ T74] ___sys_sendmsg+0xee/0x170 [ 6553.696941][ T74] __sys_sendmsg+0xcd/0x170 [ 6553.696941][ T74] do_syscall_64+0xc6/0x1e0 [ 6553.696941][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6553.696941][ T74] [ 6553.698548][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6553.698548][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6553.698548][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6553.698548][ T74] ipv6_find_idev+0x102/0x170 [ 6553.698548][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6553.698548][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6553.698548][ T74] netlink_rcv_skb+0x130/0x360 [ 6553.698548][ T74] netlink_unicast+0x449/0x710 [ 6553.698548][ T74] netlink_sendmsg+0x723/0xbe0 [ 6553.698548][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6553.698548][ T74] ___sys_sendmsg+0xee/0x170 [ 6553.698548][ T74] __sys_sendmsg+0xcd/0x170 [ 6553.698548][ T74] do_syscall_64+0xc6/0x1e0 [ 6553.698548][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6553.698548][ T74] [ 6563.951955][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6563.952381][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6563.952381][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6563.952381][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6563.952381][ T74] fib6_nh_init+0xa22/0x1580 [ 6563.952381][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6563.952381][ T74] ip6_route_add+0x1c/0x140 [ 6563.952381][ T74] inet6_rtm_newroute+0x104/0x110 [ 6563.952381][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6563.952381][ T74] netlink_rcv_skb+0x130/0x360 [ 6563.952381][ T74] netlink_unicast+0x449/0x710 [ 6563.952381][ T74] netlink_sendmsg+0x723/0xbe0 [ 6563.952381][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6563.952381][ T74] ___sys_sendmsg+0xee/0x170 [ 6563.952381][ T74] __sys_sendmsg+0xcd/0x170 [ 6563.952381][ T74] do_syscall_64+0xc6/0x1e0 [ 6563.952381][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6563.952381][ T74] [ 6563.954279][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6563.954279][ T74] netdev_get_by_index+0x5e/0x80 [ 6563.954279][ T74] fib6_nh_init+0x3d8/0x1580 [ 6563.954279][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6563.954279][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6563.954279][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6563.954279][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6563.954279][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6563.954279][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6563.954279][ T74] addrconf_dad_begin+0x310/0x670 [ 6563.954279][ T74] addrconf_dad_work+0x10b/0xab0 [ 6563.954279][ T74] process_one_work+0x84d/0x18a0 [ 6563.954279][ T74] worker_thread+0x587/0xd30 [ 6563.954279][ T74] kthread+0x28a/0x350 [ 6563.954279][ T74] ret_from_fork+0x31/0x70 [ 6563.954279][ T74] ret_from_fork_asm+0x1a/0x30 [ 6563.954279][ T74] [ 6563.956191][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6563.956191][ T74] netdev_get_by_index+0x5e/0x80 [ 6563.956191][ T74] fib6_nh_init+0x3d8/0x1580 [ 6563.956191][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6563.956191][ T74] ip6_route_add+0x1c/0x140 [ 6563.956191][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6563.956191][ T74] inet6_addr_add+0x4f8/0xa40 [ 6563.956191][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6563.956191][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6563.956191][ T74] netlink_rcv_skb+0x130/0x360 [ 6563.956191][ T74] netlink_unicast+0x449/0x710 [ 6563.956191][ T74] netlink_sendmsg+0x723/0xbe0 [ 6563.956191][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6563.956191][ T74] ___sys_sendmsg+0xee/0x170 [ 6563.956191][ T74] __sys_sendmsg+0xcd/0x170 [ 6563.956191][ T74] do_syscall_64+0xc6/0x1e0 [ 6563.956191][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6563.956191][ T74] [ 6563.958194][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6563.958194][ T74] netdev_get_by_index+0x5e/0x80 [ 6563.958194][ T74] fib6_nh_init+0x3d8/0x1580 [ 6563.958194][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6563.958194][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6563.958194][ T74] ipv6_add_addr+0x411/0x2000 [ 6563.958194][ T74] inet6_addr_add+0x30e/0xa40 [ 6563.958194][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6563.958194][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6563.958194][ T74] netlink_rcv_skb+0x130/0x360 [ 6563.958194][ T74] netlink_unicast+0x449/0x710 [ 6563.958194][ T74] netlink_sendmsg+0x723/0xbe0 [ 6563.958194][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6563.958194][ T74] ___sys_sendmsg+0xee/0x170 [ 6563.958194][ T74] __sys_sendmsg+0xcd/0x170 [ 6563.958194][ T74] do_syscall_64+0xc6/0x1e0 [ 6563.958194][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6563.958194][ T74] [ 6563.960197][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6563.960197][ T74] netdev_get_by_index+0x5e/0x80 [ 6563.960197][ T74] fib6_nh_init+0x3d8/0x1580 [ 6563.960197][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6563.960197][ T74] ip6_route_add+0x1c/0x140 [ 6563.960197][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6563.960197][ T74] addrconf_add_dev+0xe2/0x170 [ 6563.960197][ T74] inet6_addr_add+0x12f/0xa40 [ 6563.960197][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6563.960197][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6563.960197][ T74] netlink_rcv_skb+0x130/0x360 [ 6563.960197][ T74] netlink_unicast+0x449/0x710 [ 6563.960197][ T74] netlink_sendmsg+0x723/0xbe0 [ 6563.960197][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6563.960197][ T74] ___sys_sendmsg+0xee/0x170 [ 6563.960197][ T74] __sys_sendmsg+0xcd/0x170 [ 6563.960197][ T74] do_syscall_64+0xc6/0x1e0 [ 6563.960197][ T74] [ 6563.962165][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6563.962165][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6563.962165][ T74] ipv6_find_idev+0x102/0x170 [ 6563.962165][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6563.962165][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6563.962165][ T74] netlink_rcv_skb+0x130/0x360 [ 6563.962165][ T74] netlink_unicast+0x449/0x710 [ 6563.962165][ T74] netlink_sendmsg+0x723/0xbe0 [ 6563.962165][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6563.962165][ T74] ___sys_sendmsg+0xee/0x170 [ 6563.962165][ T74] __sys_sendmsg+0xcd/0x170 [ 6563.962165][ T74] do_syscall_64+0xc6/0x1e0 [ 6563.962165][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6563.962165][ T74] [ 6563.963703][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6563.963703][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6563.963703][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6563.963703][ T74] ipv6_find_idev+0x102/0x170 [ 6563.963703][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6563.963703][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6563.963703][ T74] netlink_rcv_skb+0x130/0x360 [ 6563.963703][ T74] netlink_unicast+0x449/0x710 [ 6563.963703][ T74] netlink_sendmsg+0x723/0xbe0 [ 6563.963703][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6563.963703][ T74] ___sys_sendmsg+0xee/0x170 [ 6563.963703][ T74] __sys_sendmsg+0xcd/0x170 [ 6563.963703][ T74] do_syscall_64+0xc6/0x1e0 [ 6563.963703][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6563.963703][ T74] [ 6563.965389][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6563.965666][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6563.965666][ T74] dst_init+0x84/0x4a0 [ 6563.965666][ T74] dst_alloc+0x97/0x150 [ 6563.965666][ T74] ip6_dst_alloc+0x23/0x90 [ 6563.965666][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6563.965666][ T74] ip6_pol_route+0x56f/0x840 [ 6563.965666][ T74] fib6_rule_lookup+0x456/0x630 [ 6563.965666][ T74] ip6_route_input+0x59c/0xa50 [ 6563.965666][ T74] ipv6_rcv+0x397/0x810 [ 6563.965666][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6563.965666][ T74] process_backlog+0x101/0x620 [ 6563.965666][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6563.965666][ T74] net_rx_action+0x495/0xbe0 [ 6563.965666][ T74] __do_softirq+0x1b5/0x7f6 [ 6563.965666][ T74] [ 6563.967288][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6563.967288][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6563.967288][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6563.967288][ T74] fib6_nh_init+0xa22/0x1580 [ 6563.967288][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6563.967288][ T74] ip6_route_add+0x1c/0x140 [ 6563.967288][ T74] inet6_rtm_newroute+0x104/0x110 [ 6563.967288][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6563.967288][ T74] netlink_rcv_skb+0x130/0x360 [ 6563.967288][ T74] netlink_unicast+0x449/0x710 [ 6563.967288][ T74] netlink_sendmsg+0x723/0xbe0 [ 6563.967288][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6563.967288][ T74] ___sys_sendmsg+0xee/0x170 [ 6563.967288][ T74] __sys_sendmsg+0xcd/0x170 [ 6563.967288][ T74] do_syscall_64+0xc6/0x1e0 [ 6563.967288][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6563.967288][ T74] [ 6563.969171][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6563.969171][ T74] netdev_get_by_index+0x5e/0x80 [ 6563.969171][ T74] fib6_nh_init+0x3d8/0x1580 [ 6563.969171][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6563.969171][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6563.969171][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6563.969171][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6563.969171][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6563.969171][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6563.969171][ T74] addrconf_dad_begin+0x310/0x670 [ 6563.969171][ T74] addrconf_dad_work+0x10b/0xab0 [ 6563.969171][ T74] process_one_work+0x84d/0x18a0 [ 6563.969171][ T74] worker_thread+0x587/0xd30 [ 6563.969171][ T74] kthread+0x28a/0x350 [ 6563.969171][ T74] ret_from_fork+0x31/0x70 [ 6563.969171][ T74] ret_from_fork_asm+0x1a/0x30 [ 6563.969171][ T74] [ 6563.971088][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6563.971088][ T74] netdev_get_by_index+0x5e/0x80 [ 6563.971088][ T74] fib6_nh_init+0x3d8/0x1580 [ 6563.971088][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6563.971088][ T74] ip6_route_add+0x1c/0x140 [ 6563.971088][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6563.971088][ T74] inet6_addr_add+0x4f8/0xa40 [ 6563.971088][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6563.971088][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6563.971088][ T74] netlink_rcv_skb+0x130/0x360 [ 6563.971088][ T74] netlink_unicast+0x449/0x710 [ 6563.971088][ T74] netlink_sendmsg+0x723/0xbe0 [ 6563.971088][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6563.971088][ T74] ___sys_sendmsg+0xee/0x170 [ 6563.971088][ T74] __sys_sendmsg+0xcd/0x170 [ 6563.971088][ T74] do_syscall_64+0xc6/0x1e0 [ 6563.971088][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6563.971088][ T74] [ 6563.973095][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6563.973095][ T74] netdev_get_by_index+0x5e/0x80 [ 6563.973095][ T74] fib6_nh_init+0x3d8/0x1580 [ 6563.973095][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6563.973095][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6563.973095][ T74] ipv6_add_addr+0x411/0x2000 [ 6563.973095][ T74] inet6_addr_add+0x30e/0xa40 [ 6563.973095][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6563.973095][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6563.973095][ T74] netlink_rcv_skb+0x130/0x360 [ 6563.973095][ T74] netlink_unicast+0x449/0x710 [ 6563.973095][ T74] netlink_sendmsg+0x723/0xbe0 [ 6563.973095][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6563.973095][ T74] ___sys_sendmsg+0xee/0x170 [ 6563.973095][ T74] __sys_sendmsg+0xcd/0x170 [ 6563.973095][ T74] do_syscall_64+0xc6/0x1e0 [ 6563.973095][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6563.973095][ T74] [ 6563.975097][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6563.975097][ T74] netdev_get_by_index+0x5e/0x80 [ 6563.975097][ T74] fib6_nh_init+0x3d8/0x1580 [ 6563.975097][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6563.975097][ T74] ip6_route_add+0x1c/0x140 [ 6563.975097][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6563.975097][ T74] addrconf_add_dev+0xe2/0x170 [ 6563.975097][ T74] inet6_addr_add+0x12f/0xa40 [ 6563.975097][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6563.975097][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6563.975097][ T74] netlink_rcv_skb+0x130/0x360 [ 6563.975097][ T74] netlink_unicast+0x449/0x710 [ 6563.975097][ T74] netlink_sendmsg+0x723/0xbe0 [ 6563.975097][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6563.975097][ T74] ___sys_sendmsg+0xee/0x170 [ 6563.975097][ T74] __sys_sendmsg+0xcd/0x170 [ 6563.975097][ T74] do_syscall_64+0xc6/0x1e0 [ 6563.975097][ T74] [ 6563.977053][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6563.977053][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6563.977053][ T74] ipv6_find_idev+0x102/0x170 [ 6563.977053][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6563.977053][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6563.977053][ T74] netlink_rcv_skb+0x130/0x360 [ 6563.977053][ T74] netlink_unicast+0x449/0x710 [ 6563.977053][ T74] netlink_sendmsg+0x723/0xbe0 [ 6563.977053][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6563.977053][ T74] ___sys_sendmsg+0xee/0x170 [ 6563.977053][ T74] __sys_sendmsg+0xcd/0x170 [ 6563.977053][ T74] do_syscall_64+0xc6/0x1e0 [ 6563.977053][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6563.977053][ T74] [ 6563.978726][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6563.978726][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6563.978726][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6563.978726][ T74] ipv6_find_idev+0x102/0x170 [ 6563.978726][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6563.978726][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6563.978726][ T74] netlink_rcv_skb+0x130/0x360 [ 6563.978726][ T74] netlink_unicast+0x449/0x710 [ 6563.978726][ T74] netlink_sendmsg+0x723/0xbe0 [ 6563.978726][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6563.978726][ T74] ___sys_sendmsg+0xee/0x170 [ 6563.978726][ T74] __sys_sendmsg+0xcd/0x170 [ 6563.978726][ T74] do_syscall_64+0xc6/0x1e0 [ 6563.978726][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6563.978726][ T74] [ 6563.980584][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6563.980886][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6563.980886][ T74] netdev_get_by_index+0x5e/0x80 [ 6563.980886][ T74] fib6_nh_init+0x3d8/0x1580 [ 6563.980886][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6563.980886][ T74] ip6_route_add+0x1c/0x140 [ 6563.980886][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6563.980886][ T74] inet6_addr_add+0x4f8/0xa40 [ 6563.980886][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6563.980886][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6563.980886][ T74] netlink_rcv_skb+0x130/0x360 [ 6563.980886][ T74] netlink_unicast+0x449/0x710 [ 6563.980886][ T74] netlink_sendmsg+0x723/0xbe0 [ 6563.980886][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6563.980886][ T74] ___sys_sendmsg+0xee/0x170 [ 6563.980886][ T74] __sys_sendmsg+0xcd/0x170 [ 6563.980886][ T74] do_syscall_64+0xc6/0x1e0 [ 6563.980886][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6563.980886][ T74] [ 6563.983130][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6563.983130][ T74] netdev_get_by_index+0x5e/0x80 [ 6563.983130][ T74] fib6_nh_init+0x3d8/0x1580 [ 6563.983130][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6563.983130][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6563.983130][ T74] ipv6_add_addr+0x411/0x2000 [ 6563.983130][ T74] inet6_addr_add+0x30e/0xa40 [ 6563.983130][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6563.983130][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6563.983130][ T74] netlink_rcv_skb+0x130/0x360 [ 6563.983130][ T74] netlink_unicast+0x449/0x710 [ 6563.983130][ T74] netlink_sendmsg+0x723/0xbe0 [ 6563.983130][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6563.983130][ T74] ___sys_sendmsg+0xee/0x170 [ 6563.983130][ T74] __sys_sendmsg+0xcd/0x170 [ 6563.983130][ T74] do_syscall_64+0xc6/0x1e0 [ 6563.983130][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6563.983130][ T74] [ 6563.985352][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6563.985352][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6563.985352][ T74] ipv6_find_idev+0x102/0x170 [ 6563.985352][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6563.985352][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6563.985352][ T74] netlink_rcv_skb+0x130/0x360 [ 6563.985352][ T74] netlink_unicast+0x449/0x710 [ 6563.985352][ T74] netlink_sendmsg+0x723/0xbe0 [ 6563.985352][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6563.985352][ T74] ___sys_sendmsg+0xee/0x170 [ 6563.985352][ T74] __sys_sendmsg+0xcd/0x170 [ 6563.985352][ T74] do_syscall_64+0xc6/0x1e0 [ 6563.985352][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6563.985352][ T74] [ 6563.987069][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6563.987069][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6563.987069][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6563.987069][ T74] ipv6_find_idev+0x102/0x170 [ 6563.987069][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6563.987069][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6563.987069][ T74] netlink_rcv_skb+0x130/0x360 [ 6563.987069][ T74] netlink_unicast+0x449/0x710 [ 6563.987069][ T74] netlink_sendmsg+0x723/0xbe0 [ 6563.987069][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6563.987069][ T74] ___sys_sendmsg+0xee/0x170 [ 6563.987069][ T74] __sys_sendmsg+0xcd/0x170 [ 6563.987069][ T74] do_syscall_64+0xc6/0x1e0 [ 6563.987069][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6563.987069][ T74] [ 6574.239963][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6574.240375][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6574.240375][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6574.240375][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6574.240375][ T74] fib6_nh_init+0xa22/0x1580 [ 6574.240375][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6574.240375][ T74] ip6_route_add+0x1c/0x140 [ 6574.240375][ T74] inet6_rtm_newroute+0x104/0x110 [ 6574.240375][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6574.240375][ T74] netlink_rcv_skb+0x130/0x360 [ 6574.240375][ T74] netlink_unicast+0x449/0x710 [ 6574.240375][ T74] netlink_sendmsg+0x723/0xbe0 [ 6574.240375][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6574.240375][ T74] ___sys_sendmsg+0xee/0x170 [ 6574.240375][ T74] __sys_sendmsg+0xcd/0x170 [ 6574.240375][ T74] do_syscall_64+0xc6/0x1e0 [ 6574.240375][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6574.240375][ T74] [ 6574.242270][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6574.242270][ T74] netdev_get_by_index+0x5e/0x80 [ 6574.242270][ T74] fib6_nh_init+0x3d8/0x1580 [ 6574.242270][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6574.242270][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6574.242270][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6574.242270][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6574.242270][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6574.242270][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6574.242270][ T74] addrconf_dad_begin+0x310/0x670 [ 6574.242270][ T74] addrconf_dad_work+0x10b/0xab0 [ 6574.242270][ T74] process_one_work+0x84d/0x18a0 [ 6574.242270][ T74] worker_thread+0x587/0xd30 [ 6574.242270][ T74] kthread+0x28a/0x350 [ 6574.242270][ T74] ret_from_fork+0x31/0x70 [ 6574.242270][ T74] ret_from_fork_asm+0x1a/0x30 [ 6574.242270][ T74] [ 6574.244178][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6574.244178][ T74] netdev_get_by_index+0x5e/0x80 [ 6574.244178][ T74] fib6_nh_init+0x3d8/0x1580 [ 6574.244178][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6574.244178][ T74] ip6_route_add+0x1c/0x140 [ 6574.244178][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6574.244178][ T74] inet6_addr_add+0x4f8/0xa40 [ 6574.244178][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6574.244178][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6574.244178][ T74] netlink_rcv_skb+0x130/0x360 [ 6574.244178][ T74] netlink_unicast+0x449/0x710 [ 6574.244178][ T74] netlink_sendmsg+0x723/0xbe0 [ 6574.244178][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6574.244178][ T74] ___sys_sendmsg+0xee/0x170 [ 6574.244178][ T74] __sys_sendmsg+0xcd/0x170 [ 6574.244178][ T74] do_syscall_64+0xc6/0x1e0 [ 6574.244178][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6574.244178][ T74] [ 6574.246178][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6574.246178][ T74] netdev_get_by_index+0x5e/0x80 [ 6574.246178][ T74] fib6_nh_init+0x3d8/0x1580 [ 6574.246178][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6574.246178][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6574.246178][ T74] ipv6_add_addr+0x411/0x2000 [ 6574.246178][ T74] inet6_addr_add+0x30e/0xa40 [ 6574.246178][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6574.246178][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6574.246178][ T74] netlink_rcv_skb+0x130/0x360 [ 6574.246178][ T74] netlink_unicast+0x449/0x710 [ 6574.246178][ T74] netlink_sendmsg+0x723/0xbe0 [ 6574.246178][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6574.246178][ T74] ___sys_sendmsg+0xee/0x170 [ 6574.246178][ T74] __sys_sendmsg+0xcd/0x170 [ 6574.246178][ T74] do_syscall_64+0xc6/0x1e0 [ 6574.246178][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6574.246178][ T74] [ 6574.248206][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6574.248206][ T74] netdev_get_by_index+0x5e/0x80 [ 6574.248206][ T74] fib6_nh_init+0x3d8/0x1580 [ 6574.248206][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6574.248206][ T74] ip6_route_add+0x1c/0x140 [ 6574.248206][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6574.248206][ T74] addrconf_add_dev+0xe2/0x170 [ 6574.248206][ T74] inet6_addr_add+0x12f/0xa40 [ 6574.248206][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6574.248206][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6574.248206][ T74] netlink_rcv_skb+0x130/0x360 [ 6574.248206][ T74] netlink_unicast+0x449/0x710 [ 6574.248206][ T74] netlink_sendmsg+0x723/0xbe0 [ 6574.248206][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6574.248206][ T74] ___sys_sendmsg+0xee/0x170 [ 6574.248206][ T74] __sys_sendmsg+0xcd/0x170 [ 6574.248206][ T74] do_syscall_64+0xc6/0x1e0 [ 6574.248206][ T74] [ 6574.250160][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6574.250160][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6574.250160][ T74] ipv6_find_idev+0x102/0x170 [ 6574.250160][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6574.250160][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6574.250160][ T74] netlink_rcv_skb+0x130/0x360 [ 6574.250160][ T74] netlink_unicast+0x449/0x710 [ 6574.250160][ T74] netlink_sendmsg+0x723/0xbe0 [ 6574.250160][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6574.250160][ T74] ___sys_sendmsg+0xee/0x170 [ 6574.250160][ T74] __sys_sendmsg+0xcd/0x170 [ 6574.250160][ T74] do_syscall_64+0xc6/0x1e0 [ 6574.250160][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6574.250160][ T74] [ 6574.251688][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6574.251688][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6574.251688][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6574.251688][ T74] ipv6_find_idev+0x102/0x170 [ 6574.251688][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6574.251688][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6574.251688][ T74] netlink_rcv_skb+0x130/0x360 [ 6574.251688][ T74] netlink_unicast+0x449/0x710 [ 6574.251688][ T74] netlink_sendmsg+0x723/0xbe0 [ 6574.251688][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6574.251688][ T74] ___sys_sendmsg+0xee/0x170 [ 6574.251688][ T74] __sys_sendmsg+0xcd/0x170 [ 6574.251688][ T74] do_syscall_64+0xc6/0x1e0 [ 6574.251688][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6574.251688][ T74] [ 6574.253373][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6574.253641][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6574.253641][ T74] dst_init+0x84/0x4a0 [ 6574.253641][ T74] dst_alloc+0x97/0x150 [ 6574.253641][ T74] ip6_dst_alloc+0x23/0x90 [ 6574.253641][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6574.253641][ T74] ip6_pol_route+0x56f/0x840 [ 6574.253641][ T74] fib6_rule_lookup+0x456/0x630 [ 6574.253641][ T74] ip6_route_input+0x59c/0xa50 [ 6574.253641][ T74] ipv6_rcv+0x397/0x810 [ 6574.253641][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6574.253641][ T74] process_backlog+0x101/0x620 [ 6574.253641][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6574.253641][ T74] net_rx_action+0x495/0xbe0 [ 6574.253641][ T74] __do_softirq+0x1b5/0x7f6 [ 6574.253641][ T74] [ 6574.255272][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6574.255272][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6574.255272][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6574.255272][ T74] fib6_nh_init+0xa22/0x1580 [ 6574.255272][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6574.255272][ T74] ip6_route_add+0x1c/0x140 [ 6574.255272][ T74] inet6_rtm_newroute+0x104/0x110 [ 6574.255272][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6574.255272][ T74] netlink_rcv_skb+0x130/0x360 [ 6574.255272][ T74] netlink_unicast+0x449/0x710 [ 6574.255272][ T74] netlink_sendmsg+0x723/0xbe0 [ 6574.255272][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6574.255272][ T74] ___sys_sendmsg+0xee/0x170 [ 6574.255272][ T74] __sys_sendmsg+0xcd/0x170 [ 6574.255272][ T74] do_syscall_64+0xc6/0x1e0 [ 6574.255272][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6574.255272][ T74] [ 6574.257144][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6574.257144][ T74] netdev_get_by_index+0x5e/0x80 [ 6574.257144][ T74] fib6_nh_init+0x3d8/0x1580 [ 6574.257144][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6574.257144][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6574.257144][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6574.257144][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6574.257144][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6574.257144][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6574.257144][ T74] addrconf_dad_begin+0x310/0x670 [ 6574.257144][ T74] addrconf_dad_work+0x10b/0xab0 [ 6574.257144][ T74] process_one_work+0x84d/0x18a0 [ 6574.257144][ T74] worker_thread+0x587/0xd30 [ 6574.257144][ T74] kthread+0x28a/0x350 [ 6574.257144][ T74] ret_from_fork+0x31/0x70 [ 6574.257144][ T74] ret_from_fork_asm+0x1a/0x30 [ 6574.257144][ T74] [ 6574.259052][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6574.259052][ T74] netdev_get_by_index+0x5e/0x80 [ 6574.259052][ T74] fib6_nh_init+0x3d8/0x1580 [ 6574.259052][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6574.259052][ T74] ip6_route_add+0x1c/0x140 [ 6574.259052][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6574.259052][ T74] inet6_addr_add+0x4f8/0xa40 [ 6574.259052][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6574.259052][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6574.259052][ T74] netlink_rcv_skb+0x130/0x360 [ 6574.259052][ T74] netlink_unicast+0x449/0x710 [ 6574.259052][ T74] netlink_sendmsg+0x723/0xbe0 [ 6574.259052][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6574.259052][ T74] ___sys_sendmsg+0xee/0x170 [ 6574.259052][ T74] __sys_sendmsg+0xcd/0x170 [ 6574.259052][ T74] do_syscall_64+0xc6/0x1e0 [ 6574.259052][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6574.259052][ T74] [ 6574.261058][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6574.261058][ T74] netdev_get_by_index+0x5e/0x80 [ 6574.261058][ T74] fib6_nh_init+0x3d8/0x1580 [ 6574.261058][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6574.261058][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6574.261058][ T74] ipv6_add_addr+0x411/0x2000 [ 6574.261058][ T74] inet6_addr_add+0x30e/0xa40 [ 6574.261058][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6574.261058][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6574.261058][ T74] netlink_rcv_skb+0x130/0x360 [ 6574.261058][ T74] netlink_unicast+0x449/0x710 [ 6574.261058][ T74] netlink_sendmsg+0x723/0xbe0 [ 6574.261058][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6574.261058][ T74] ___sys_sendmsg+0xee/0x170 [ 6574.261058][ T74] __sys_sendmsg+0xcd/0x170 [ 6574.261058][ T74] do_syscall_64+0xc6/0x1e0 [ 6574.261058][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6574.261058][ T74] [ 6574.263049][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6574.263049][ T74] netdev_get_by_index+0x5e/0x80 [ 6574.263049][ T74] fib6_nh_init+0x3d8/0x1580 [ 6574.263049][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6574.263049][ T74] ip6_route_add+0x1c/0x140 [ 6574.263049][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6574.263049][ T74] addrconf_add_dev+0xe2/0x170 [ 6574.263049][ T74] inet6_addr_add+0x12f/0xa40 [ 6574.263049][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6574.263049][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6574.263049][ T74] netlink_rcv_skb+0x130/0x360 [ 6574.263049][ T74] netlink_unicast+0x449/0x710 [ 6574.263049][ T74] netlink_sendmsg+0x723/0xbe0 [ 6574.263049][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6574.263049][ T74] ___sys_sendmsg+0xee/0x170 [ 6574.263049][ T74] __sys_sendmsg+0xcd/0x170 [ 6574.263049][ T74] do_syscall_64+0xc6/0x1e0 [ 6574.263049][ T74] [ 6574.265007][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6574.265007][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6574.265007][ T74] ipv6_find_idev+0x102/0x170 [ 6574.265007][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6574.265007][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6574.265007][ T74] netlink_rcv_skb+0x130/0x360 [ 6574.265007][ T74] netlink_unicast+0x449/0x710 [ 6574.265007][ T74] netlink_sendmsg+0x723/0xbe0 [ 6574.265007][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6574.265007][ T74] ___sys_sendmsg+0xee/0x170 [ 6574.265007][ T74] __sys_sendmsg+0xcd/0x170 [ 6574.265007][ T74] do_syscall_64+0xc6/0x1e0 [ 6574.265007][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6574.265007][ T74] [ 6574.266661][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6574.266661][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6574.266661][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6574.266661][ T74] ipv6_find_idev+0x102/0x170 [ 6574.266661][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6574.266661][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6574.266661][ T74] netlink_rcv_skb+0x130/0x360 [ 6574.266661][ T74] netlink_unicast+0x449/0x710 [ 6574.266661][ T74] netlink_sendmsg+0x723/0xbe0 [ 6574.266661][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6574.266661][ T74] ___sys_sendmsg+0xee/0x170 [ 6574.266661][ T74] __sys_sendmsg+0xcd/0x170 [ 6574.266661][ T74] do_syscall_64+0xc6/0x1e0 [ 6574.266661][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6574.266661][ T74] [ 6574.268526][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6574.268827][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6574.268827][ T74] netdev_get_by_index+0x5e/0x80 [ 6574.268827][ T74] fib6_nh_init+0x3d8/0x1580 [ 6574.268827][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6574.268827][ T74] ip6_route_add+0x1c/0x140 [ 6574.268827][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6574.268827][ T74] inet6_addr_add+0x4f8/0xa40 [ 6574.268827][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6574.268827][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6574.268827][ T74] netlink_rcv_skb+0x130/0x360 [ 6574.268827][ T74] netlink_unicast+0x449/0x710 [ 6574.268827][ T74] netlink_sendmsg+0x723/0xbe0 [ 6574.268827][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6574.268827][ T74] ___sys_sendmsg+0xee/0x170 [ 6574.268827][ T74] __sys_sendmsg+0xcd/0x170 [ 6574.268827][ T74] do_syscall_64+0xc6/0x1e0 [ 6574.268827][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6574.268827][ T74] [ 6574.270944][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6574.270944][ T74] netdev_get_by_index+0x5e/0x80 [ 6574.270944][ T74] fib6_nh_init+0x3d8/0x1580 [ 6574.270944][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6574.270944][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6574.270944][ T74] ipv6_add_addr+0x411/0x2000 [ 6574.270944][ T74] inet6_addr_add+0x30e/0xa40 [ 6574.270944][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6574.270944][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6574.270944][ T74] netlink_rcv_skb+0x130/0x360 [ 6574.270944][ T74] netlink_unicast+0x449/0x710 [ 6574.270944][ T74] netlink_sendmsg+0x723/0xbe0 [ 6574.270944][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6574.270944][ T74] ___sys_sendmsg+0xee/0x170 [ 6574.270944][ T74] __sys_sendmsg+0xcd/0x170 [ 6574.270944][ T74] do_syscall_64+0xc6/0x1e0 [ 6574.270944][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6574.270944][ T74] [ 6574.273187][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6574.273187][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6574.273187][ T74] ipv6_find_idev+0x102/0x170 [ 6574.273187][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6574.273187][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6574.273187][ T74] netlink_rcv_skb+0x130/0x360 [ 6574.273187][ T74] netlink_unicast+0x449/0x710 [ 6574.273187][ T74] netlink_sendmsg+0x723/0xbe0 [ 6574.273187][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6574.273187][ T74] ___sys_sendmsg+0xee/0x170 [ 6574.273187][ T74] __sys_sendmsg+0xcd/0x170 [ 6574.273187][ T74] do_syscall_64+0xc6/0x1e0 [ 6574.273187][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6574.273187][ T74] [ 6574.274845][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6574.274845][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6574.274845][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6574.274845][ T74] ipv6_find_idev+0x102/0x170 [ 6574.274845][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6574.274845][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6574.274845][ T74] netlink_rcv_skb+0x130/0x360 [ 6574.274845][ T74] netlink_unicast+0x449/0x710 [ 6574.274845][ T74] netlink_sendmsg+0x723/0xbe0 [ 6574.274845][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6574.274845][ T74] ___sys_sendmsg+0xee/0x170 [ 6574.274845][ T74] __sys_sendmsg+0xcd/0x170 [ 6574.274845][ T74] do_syscall_64+0xc6/0x1e0 [ 6574.274845][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6574.274845][ T74] [ 6584.527892][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6584.528322][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6584.528322][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6584.528322][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6584.528322][ T74] fib6_nh_init+0xa22/0x1580 [ 6584.528322][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6584.528322][ T74] ip6_route_add+0x1c/0x140 [ 6584.528322][ T74] inet6_rtm_newroute+0x104/0x110 [ 6584.528322][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6584.528322][ T74] netlink_rcv_skb+0x130/0x360 [ 6584.528322][ T74] netlink_unicast+0x449/0x710 [ 6584.528322][ T74] netlink_sendmsg+0x723/0xbe0 [ 6584.528322][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6584.528322][ T74] ___sys_sendmsg+0xee/0x170 [ 6584.528322][ T74] __sys_sendmsg+0xcd/0x170 [ 6584.528322][ T74] do_syscall_64+0xc6/0x1e0 [ 6584.528322][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6584.528322][ T74] [ 6584.530230][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6584.530230][ T74] netdev_get_by_index+0x5e/0x80 [ 6584.530230][ T74] fib6_nh_init+0x3d8/0x1580 [ 6584.530230][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6584.530230][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6584.530230][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6584.530230][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6584.530230][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6584.530230][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6584.530230][ T74] addrconf_dad_begin+0x310/0x670 [ 6584.530230][ T74] addrconf_dad_work+0x10b/0xab0 [ 6584.530230][ T74] process_one_work+0x84d/0x18a0 [ 6584.530230][ T74] worker_thread+0x587/0xd30 [ 6584.530230][ T74] kthread+0x28a/0x350 [ 6584.530230][ T74] ret_from_fork+0x31/0x70 [ 6584.530230][ T74] ret_from_fork_asm+0x1a/0x30 [ 6584.530230][ T74] [ 6584.532137][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6584.532137][ T74] netdev_get_by_index+0x5e/0x80 [ 6584.532137][ T74] fib6_nh_init+0x3d8/0x1580 [ 6584.532137][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6584.532137][ T74] ip6_route_add+0x1c/0x140 [ 6584.532137][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6584.532137][ T74] inet6_addr_add+0x4f8/0xa40 [ 6584.532137][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6584.532137][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6584.532137][ T74] netlink_rcv_skb+0x130/0x360 [ 6584.532137][ T74] netlink_unicast+0x449/0x710 [ 6584.532137][ T74] netlink_sendmsg+0x723/0xbe0 [ 6584.532137][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6584.532137][ T74] ___sys_sendmsg+0xee/0x170 [ 6584.532137][ T74] __sys_sendmsg+0xcd/0x170 [ 6584.532137][ T74] do_syscall_64+0xc6/0x1e0 [ 6584.532137][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6584.532137][ T74] [ 6584.534130][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6584.534130][ T74] netdev_get_by_index+0x5e/0x80 [ 6584.534130][ T74] fib6_nh_init+0x3d8/0x1580 [ 6584.534130][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6584.534130][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6584.534130][ T74] ipv6_add_addr+0x411/0x2000 [ 6584.534130][ T74] inet6_addr_add+0x30e/0xa40 [ 6584.534130][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6584.534130][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6584.534130][ T74] netlink_rcv_skb+0x130/0x360 [ 6584.534130][ T74] netlink_unicast+0x449/0x710 [ 6584.534130][ T74] netlink_sendmsg+0x723/0xbe0 [ 6584.534130][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6584.534130][ T74] ___sys_sendmsg+0xee/0x170 [ 6584.534130][ T74] __sys_sendmsg+0xcd/0x170 [ 6584.534130][ T74] do_syscall_64+0xc6/0x1e0 [ 6584.534130][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6584.534130][ T74] [ 6584.536116][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6584.536116][ T74] netdev_get_by_index+0x5e/0x80 [ 6584.536116][ T74] fib6_nh_init+0x3d8/0x1580 [ 6584.536116][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6584.536116][ T74] ip6_route_add+0x1c/0x140 [ 6584.536116][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6584.536116][ T74] addrconf_add_dev+0xe2/0x170 [ 6584.536116][ T74] inet6_addr_add+0x12f/0xa40 [ 6584.536116][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6584.536116][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6584.536116][ T74] netlink_rcv_skb+0x130/0x360 [ 6584.536116][ T74] netlink_unicast+0x449/0x710 [ 6584.536116][ T74] netlink_sendmsg+0x723/0xbe0 [ 6584.536116][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6584.536116][ T74] ___sys_sendmsg+0xee/0x170 [ 6584.536116][ T74] __sys_sendmsg+0xcd/0x170 [ 6584.536116][ T74] do_syscall_64+0xc6/0x1e0 [ 6584.536116][ T74] [ 6584.538073][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6584.538073][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6584.538073][ T74] ipv6_find_idev+0x102/0x170 [ 6584.538073][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6584.538073][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6584.538073][ T74] netlink_rcv_skb+0x130/0x360 [ 6584.538073][ T74] netlink_unicast+0x449/0x710 [ 6584.538073][ T74] netlink_sendmsg+0x723/0xbe0 [ 6584.538073][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6584.538073][ T74] ___sys_sendmsg+0xee/0x170 [ 6584.538073][ T74] __sys_sendmsg+0xcd/0x170 [ 6584.538073][ T74] do_syscall_64+0xc6/0x1e0 [ 6584.538073][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6584.538073][ T74] [ 6584.539603][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6584.539603][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6584.539603][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6584.539603][ T74] ipv6_find_idev+0x102/0x170 [ 6584.539603][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6584.539603][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6584.539603][ T74] netlink_rcv_skb+0x130/0x360 [ 6584.539603][ T74] netlink_unicast+0x449/0x710 [ 6584.539603][ T74] netlink_sendmsg+0x723/0xbe0 [ 6584.539603][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6584.539603][ T74] ___sys_sendmsg+0xee/0x170 [ 6584.539603][ T74] __sys_sendmsg+0xcd/0x170 [ 6584.539603][ T74] do_syscall_64+0xc6/0x1e0 [ 6584.539603][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6584.539603][ T74] [ 6584.541287][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6584.541558][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6584.541558][ T74] dst_init+0x84/0x4a0 [ 6584.541558][ T74] dst_alloc+0x97/0x150 [ 6584.541558][ T74] ip6_dst_alloc+0x23/0x90 [ 6584.541558][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6584.541558][ T74] ip6_pol_route+0x56f/0x840 [ 6584.541558][ T74] fib6_rule_lookup+0x456/0x630 [ 6584.541558][ T74] ip6_route_input+0x59c/0xa50 [ 6584.541558][ T74] ipv6_rcv+0x397/0x810 [ 6584.541558][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6584.541558][ T74] process_backlog+0x101/0x620 [ 6584.541558][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6584.541558][ T74] net_rx_action+0x495/0xbe0 [ 6584.541558][ T74] __do_softirq+0x1b5/0x7f6 [ 6584.541558][ T74] [ 6584.543188][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6584.543188][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6584.543188][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6584.543188][ T74] fib6_nh_init+0xa22/0x1580 [ 6584.543188][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6584.543188][ T74] ip6_route_add+0x1c/0x140 [ 6584.543188][ T74] inet6_rtm_newroute+0x104/0x110 [ 6584.543188][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6584.543188][ T74] netlink_rcv_skb+0x130/0x360 [ 6584.543188][ T74] netlink_unicast+0x449/0x710 [ 6584.543188][ T74] netlink_sendmsg+0x723/0xbe0 [ 6584.543188][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6584.543188][ T74] ___sys_sendmsg+0xee/0x170 [ 6584.543188][ T74] __sys_sendmsg+0xcd/0x170 [ 6584.543188][ T74] do_syscall_64+0xc6/0x1e0 [ 6584.543188][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6584.543188][ T74] [ 6584.545060][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6584.545060][ T74] netdev_get_by_index+0x5e/0x80 [ 6584.545060][ T74] fib6_nh_init+0x3d8/0x1580 [ 6584.545060][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6584.545060][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6584.545060][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6584.545060][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6584.545060][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6584.545060][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6584.545060][ T74] addrconf_dad_begin+0x310/0x670 [ 6584.545060][ T74] addrconf_dad_work+0x10b/0xab0 [ 6584.545060][ T74] process_one_work+0x84d/0x18a0 [ 6584.545060][ T74] worker_thread+0x587/0xd30 [ 6584.545060][ T74] kthread+0x28a/0x350 [ 6584.545060][ T74] ret_from_fork+0x31/0x70 [ 6584.545060][ T74] ret_from_fork_asm+0x1a/0x30 [ 6584.545060][ T74] [ 6584.546958][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6584.546958][ T74] netdev_get_by_index+0x5e/0x80 [ 6584.546958][ T74] fib6_nh_init+0x3d8/0x1580 [ 6584.546958][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6584.546958][ T74] ip6_route_add+0x1c/0x140 [ 6584.546958][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6584.546958][ T74] inet6_addr_add+0x4f8/0xa40 [ 6584.546958][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6584.546958][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6584.546958][ T74] netlink_rcv_skb+0x130/0x360 [ 6584.546958][ T74] netlink_unicast+0x449/0x710 [ 6584.546958][ T74] netlink_sendmsg+0x723/0xbe0 [ 6584.546958][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6584.546958][ T74] ___sys_sendmsg+0xee/0x170 [ 6584.546958][ T74] __sys_sendmsg+0xcd/0x170 [ 6584.546958][ T74] do_syscall_64+0xc6/0x1e0 [ 6584.546958][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6584.546958][ T74] [ 6584.548960][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6584.548960][ T74] netdev_get_by_index+0x5e/0x80 [ 6584.548960][ T74] fib6_nh_init+0x3d8/0x1580 [ 6584.548960][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6584.548960][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6584.548960][ T74] ipv6_add_addr+0x411/0x2000 [ 6584.548960][ T74] inet6_addr_add+0x30e/0xa40 [ 6584.548960][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6584.548960][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6584.548960][ T74] netlink_rcv_skb+0x130/0x360 [ 6584.548960][ T74] netlink_unicast+0x449/0x710 [ 6584.548960][ T74] netlink_sendmsg+0x723/0xbe0 [ 6584.548960][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6584.548960][ T74] ___sys_sendmsg+0xee/0x170 [ 6584.548960][ T74] __sys_sendmsg+0xcd/0x170 [ 6584.548960][ T74] do_syscall_64+0xc6/0x1e0 [ 6584.548960][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6584.548960][ T74] [ 6584.550953][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6584.550953][ T74] netdev_get_by_index+0x5e/0x80 [ 6584.550953][ T74] fib6_nh_init+0x3d8/0x1580 [ 6584.550953][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6584.550953][ T74] ip6_route_add+0x1c/0x140 [ 6584.550953][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6584.550953][ T74] addrconf_add_dev+0xe2/0x170 [ 6584.550953][ T74] inet6_addr_add+0x12f/0xa40 [ 6584.550953][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6584.550953][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6584.550953][ T74] netlink_rcv_skb+0x130/0x360 [ 6584.550953][ T74] netlink_unicast+0x449/0x710 [ 6584.550953][ T74] netlink_sendmsg+0x723/0xbe0 [ 6584.550953][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6584.550953][ T74] ___sys_sendmsg+0xee/0x170 [ 6584.550953][ T74] __sys_sendmsg+0xcd/0x170 [ 6584.550953][ T74] do_syscall_64+0xc6/0x1e0 [ 6584.550953][ T74] [ 6584.552914][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6584.552914][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6584.552914][ T74] ipv6_find_idev+0x102/0x170 [ 6584.552914][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6584.552914][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6584.552914][ T74] netlink_rcv_skb+0x130/0x360 [ 6584.552914][ T74] netlink_unicast+0x449/0x710 [ 6584.552914][ T74] netlink_sendmsg+0x723/0xbe0 [ 6584.552914][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6584.552914][ T74] ___sys_sendmsg+0xee/0x170 [ 6584.552914][ T74] __sys_sendmsg+0xcd/0x170 [ 6584.552914][ T74] do_syscall_64+0xc6/0x1e0 [ 6584.552914][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6584.552914][ T74] [ 6584.554501][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6584.554501][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6584.554501][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6584.554501][ T74] ipv6_find_idev+0x102/0x170 [ 6584.554501][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6584.554501][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6584.554501][ T74] netlink_rcv_skb+0x130/0x360 [ 6584.554501][ T74] netlink_unicast+0x449/0x710 [ 6584.554501][ T74] netlink_sendmsg+0x723/0xbe0 [ 6584.554501][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6584.554501][ T74] ___sys_sendmsg+0xee/0x170 [ 6584.554501][ T74] __sys_sendmsg+0xcd/0x170 [ 6584.554501][ T74] do_syscall_64+0xc6/0x1e0 [ 6584.554501][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6584.554501][ T74] [ 6584.556307][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6584.556549][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6584.556549][ T74] netdev_get_by_index+0x5e/0x80 [ 6584.556549][ T74] fib6_nh_init+0x3d8/0x1580 [ 6584.556549][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6584.556549][ T74] ip6_route_add+0x1c/0x140 [ 6584.556549][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6584.556549][ T74] inet6_addr_add+0x4f8/0xa40 [ 6584.556549][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6584.556549][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6584.556549][ T74] netlink_rcv_skb+0x130/0x360 [ 6584.556549][ T74] netlink_unicast+0x449/0x710 [ 6584.556549][ T74] netlink_sendmsg+0x723/0xbe0 [ 6584.556549][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6584.556549][ T74] ___sys_sendmsg+0xee/0x170 [ 6584.556549][ T74] __sys_sendmsg+0xcd/0x170 [ 6584.556549][ T74] do_syscall_64+0xc6/0x1e0 [ 6584.556549][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6584.556549][ T74] [ 6584.558675][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6584.558675][ T74] netdev_get_by_index+0x5e/0x80 [ 6584.558675][ T74] fib6_nh_init+0x3d8/0x1580 [ 6584.558675][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6584.558675][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6584.558675][ T74] ipv6_add_addr+0x411/0x2000 [ 6584.558675][ T74] inet6_addr_add+0x30e/0xa40 [ 6584.558675][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6584.558675][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6584.558675][ T74] netlink_rcv_skb+0x130/0x360 [ 6584.558675][ T74] netlink_unicast+0x449/0x710 [ 6584.558675][ T74] netlink_sendmsg+0x723/0xbe0 [ 6584.558675][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6584.558675][ T74] ___sys_sendmsg+0xee/0x170 [ 6584.558675][ T74] __sys_sendmsg+0xcd/0x170 [ 6584.558675][ T74] do_syscall_64+0xc6/0x1e0 [ 6584.558675][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6584.558675][ T74] [ 6584.560789][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6584.560789][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6584.560789][ T74] ipv6_find_idev+0x102/0x170 [ 6584.560789][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6584.560789][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6584.560789][ T74] netlink_rcv_skb+0x130/0x360 [ 6584.560789][ T74] netlink_unicast+0x449/0x710 [ 6584.560789][ T74] netlink_sendmsg+0x723/0xbe0 [ 6584.560789][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6584.560789][ T74] ___sys_sendmsg+0xee/0x170 [ 6584.560789][ T74] __sys_sendmsg+0xcd/0x170 [ 6584.560789][ T74] do_syscall_64+0xc6/0x1e0 [ 6584.560789][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6584.560789][ T74] [ 6584.562456][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6584.562456][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6584.562456][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6584.562456][ T74] ipv6_find_idev+0x102/0x170 [ 6584.562456][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6584.562456][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6584.562456][ T74] netlink_rcv_skb+0x130/0x360 [ 6584.562456][ T74] netlink_unicast+0x449/0x710 [ 6584.562456][ T74] netlink_sendmsg+0x723/0xbe0 [ 6584.562456][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6584.562456][ T74] ___sys_sendmsg+0xee/0x170 [ 6584.562456][ T74] __sys_sendmsg+0xcd/0x170 [ 6584.562456][ T74] do_syscall_64+0xc6/0x1e0 [ 6584.562456][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6584.562456][ T74] [ 6594.815969][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6594.816380][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6594.816380][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6594.816380][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6594.816380][ T74] fib6_nh_init+0xa22/0x1580 [ 6594.816380][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6594.816380][ T74] ip6_route_add+0x1c/0x140 [ 6594.816380][ T74] inet6_rtm_newroute+0x104/0x110 [ 6594.816380][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6594.816380][ T74] netlink_rcv_skb+0x130/0x360 [ 6594.816380][ T74] netlink_unicast+0x449/0x710 [ 6594.816380][ T74] netlink_sendmsg+0x723/0xbe0 [ 6594.816380][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6594.816380][ T74] ___sys_sendmsg+0xee/0x170 [ 6594.816380][ T74] __sys_sendmsg+0xcd/0x170 [ 6594.816380][ T74] do_syscall_64+0xc6/0x1e0 [ 6594.816380][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6594.816380][ T74] [ 6594.818287][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6594.818287][ T74] netdev_get_by_index+0x5e/0x80 [ 6594.818287][ T74] fib6_nh_init+0x3d8/0x1580 [ 6594.818287][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6594.818287][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6594.818287][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6594.818287][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6594.818287][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6594.818287][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6594.818287][ T74] addrconf_dad_begin+0x310/0x670 [ 6594.818287][ T74] addrconf_dad_work+0x10b/0xab0 [ 6594.818287][ T74] process_one_work+0x84d/0x18a0 [ 6594.818287][ T74] worker_thread+0x587/0xd30 [ 6594.818287][ T74] kthread+0x28a/0x350 [ 6594.818287][ T74] ret_from_fork+0x31/0x70 [ 6594.818287][ T74] ret_from_fork_asm+0x1a/0x30 [ 6594.818287][ T74] [ 6594.820212][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6594.820212][ T74] netdev_get_by_index+0x5e/0x80 [ 6594.820212][ T74] fib6_nh_init+0x3d8/0x1580 [ 6594.820212][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6594.820212][ T74] ip6_route_add+0x1c/0x140 [ 6594.820212][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6594.820212][ T74] inet6_addr_add+0x4f8/0xa40 [ 6594.820212][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6594.820212][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6594.820212][ T74] netlink_rcv_skb+0x130/0x360 [ 6594.820212][ T74] netlink_unicast+0x449/0x710 [ 6594.820212][ T74] netlink_sendmsg+0x723/0xbe0 [ 6594.820212][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6594.820212][ T74] ___sys_sendmsg+0xee/0x170 [ 6594.820212][ T74] __sys_sendmsg+0xcd/0x170 [ 6594.820212][ T74] do_syscall_64+0xc6/0x1e0 [ 6594.820212][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6594.820212][ T74] [ 6594.822209][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6594.822209][ T74] netdev_get_by_index+0x5e/0x80 [ 6594.822209][ T74] fib6_nh_init+0x3d8/0x1580 [ 6594.822209][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6594.822209][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6594.822209][ T74] ipv6_add_addr+0x411/0x2000 [ 6594.822209][ T74] inet6_addr_add+0x30e/0xa40 [ 6594.822209][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6594.822209][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6594.822209][ T74] netlink_rcv_skb+0x130/0x360 [ 6594.822209][ T74] netlink_unicast+0x449/0x710 [ 6594.822209][ T74] netlink_sendmsg+0x723/0xbe0 [ 6594.822209][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6594.822209][ T74] ___sys_sendmsg+0xee/0x170 [ 6594.822209][ T74] __sys_sendmsg+0xcd/0x170 [ 6594.822209][ T74] do_syscall_64+0xc6/0x1e0 [ 6594.822209][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6594.822209][ T74] [ 6594.824206][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6594.824206][ T74] netdev_get_by_index+0x5e/0x80 [ 6594.824206][ T74] fib6_nh_init+0x3d8/0x1580 [ 6594.824206][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6594.824206][ T74] ip6_route_add+0x1c/0x140 [ 6594.824206][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6594.824206][ T74] addrconf_add_dev+0xe2/0x170 [ 6594.824206][ T74] inet6_addr_add+0x12f/0xa40 [ 6594.824206][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6594.824206][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6594.824206][ T74] netlink_rcv_skb+0x130/0x360 [ 6594.824206][ T74] netlink_unicast+0x449/0x710 [ 6594.824206][ T74] netlink_sendmsg+0x723/0xbe0 [ 6594.824206][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6594.824206][ T74] ___sys_sendmsg+0xee/0x170 [ 6594.824206][ T74] __sys_sendmsg+0xcd/0x170 [ 6594.824206][ T74] do_syscall_64+0xc6/0x1e0 [ 6594.824206][ T74] [ 6594.826170][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6594.826170][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6594.826170][ T74] ipv6_find_idev+0x102/0x170 [ 6594.826170][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6594.826170][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6594.826170][ T74] netlink_rcv_skb+0x130/0x360 [ 6594.826170][ T74] netlink_unicast+0x449/0x710 [ 6594.826170][ T74] netlink_sendmsg+0x723/0xbe0 [ 6594.826170][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6594.826170][ T74] ___sys_sendmsg+0xee/0x170 [ 6594.826170][ T74] __sys_sendmsg+0xcd/0x170 [ 6594.826170][ T74] do_syscall_64+0xc6/0x1e0 [ 6594.826170][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6594.826170][ T74] [ 6594.827711][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6594.827711][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6594.827711][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6594.827711][ T74] ipv6_find_idev+0x102/0x170 [ 6594.827711][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6594.827711][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6594.827711][ T74] netlink_rcv_skb+0x130/0x360 [ 6594.827711][ T74] netlink_unicast+0x449/0x710 [ 6594.827711][ T74] netlink_sendmsg+0x723/0xbe0 [ 6594.827711][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6594.827711][ T74] ___sys_sendmsg+0xee/0x170 [ 6594.827711][ T74] __sys_sendmsg+0xcd/0x170 [ 6594.827711][ T74] do_syscall_64+0xc6/0x1e0 [ 6594.827711][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6594.827711][ T74] [ 6594.829388][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6594.829659][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6594.829659][ T74] dst_init+0x84/0x4a0 [ 6594.829659][ T74] dst_alloc+0x97/0x150 [ 6594.829659][ T74] ip6_dst_alloc+0x23/0x90 [ 6594.829659][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6594.829659][ T74] ip6_pol_route+0x56f/0x840 [ 6594.829659][ T74] fib6_rule_lookup+0x456/0x630 [ 6594.829659][ T74] ip6_route_input+0x59c/0xa50 [ 6594.829659][ T74] ipv6_rcv+0x397/0x810 [ 6594.829659][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6594.829659][ T74] process_backlog+0x101/0x620 [ 6594.829659][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6594.829659][ T74] net_rx_action+0x495/0xbe0 [ 6594.829659][ T74] __do_softirq+0x1b5/0x7f6 [ 6594.829659][ T74] [ 6594.831292][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6594.831292][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6594.831292][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6594.831292][ T74] fib6_nh_init+0xa22/0x1580 [ 6594.831292][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6594.831292][ T74] ip6_route_add+0x1c/0x140 [ 6594.831292][ T74] inet6_rtm_newroute+0x104/0x110 [ 6594.831292][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6594.831292][ T74] netlink_rcv_skb+0x130/0x360 [ 6594.831292][ T74] netlink_unicast+0x449/0x710 [ 6594.831292][ T74] netlink_sendmsg+0x723/0xbe0 [ 6594.831292][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6594.831292][ T74] ___sys_sendmsg+0xee/0x170 [ 6594.831292][ T74] __sys_sendmsg+0xcd/0x170 [ 6594.831292][ T74] do_syscall_64+0xc6/0x1e0 [ 6594.831292][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6594.831292][ T74] [ 6594.833161][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6594.833161][ T74] netdev_get_by_index+0x5e/0x80 [ 6594.833161][ T74] fib6_nh_init+0x3d8/0x1580 [ 6594.833161][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6594.833161][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6594.833161][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6594.833161][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6594.833161][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6594.833161][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6594.833161][ T74] addrconf_dad_begin+0x310/0x670 [ 6594.833161][ T74] addrconf_dad_work+0x10b/0xab0 [ 6594.833161][ T74] process_one_work+0x84d/0x18a0 [ 6594.833161][ T74] worker_thread+0x587/0xd30 [ 6594.833161][ T74] kthread+0x28a/0x350 [ 6594.833161][ T74] ret_from_fork+0x31/0x70 [ 6594.833161][ T74] ret_from_fork_asm+0x1a/0x30 [ 6594.833161][ T74] [ 6594.835062][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6594.835062][ T74] netdev_get_by_index+0x5e/0x80 [ 6594.835062][ T74] fib6_nh_init+0x3d8/0x1580 [ 6594.835062][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6594.835062][ T74] ip6_route_add+0x1c/0x140 [ 6594.835062][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6594.835062][ T74] inet6_addr_add+0x4f8/0xa40 [ 6594.835062][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6594.835062][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6594.835062][ T74] netlink_rcv_skb+0x130/0x360 [ 6594.835062][ T74] netlink_unicast+0x449/0x710 [ 6594.835062][ T74] netlink_sendmsg+0x723/0xbe0 [ 6594.835062][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6594.835062][ T74] ___sys_sendmsg+0xee/0x170 [ 6594.835062][ T74] __sys_sendmsg+0xcd/0x170 [ 6594.835062][ T74] do_syscall_64+0xc6/0x1e0 [ 6594.835062][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6594.835062][ T74] [ 6594.837060][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6594.837060][ T74] netdev_get_by_index+0x5e/0x80 [ 6594.837060][ T74] fib6_nh_init+0x3d8/0x1580 [ 6594.837060][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6594.837060][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6594.837060][ T74] ipv6_add_addr+0x411/0x2000 [ 6594.837060][ T74] inet6_addr_add+0x30e/0xa40 [ 6594.837060][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6594.837060][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6594.837060][ T74] netlink_rcv_skb+0x130/0x360 [ 6594.837060][ T74] netlink_unicast+0x449/0x710 [ 6594.837060][ T74] netlink_sendmsg+0x723/0xbe0 [ 6594.837060][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6594.837060][ T74] ___sys_sendmsg+0xee/0x170 [ 6594.837060][ T74] __sys_sendmsg+0xcd/0x170 [ 6594.837060][ T74] do_syscall_64+0xc6/0x1e0 [ 6594.837060][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6594.837060][ T74] [ 6594.839053][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6594.839053][ T74] netdev_get_by_index+0x5e/0x80 [ 6594.839053][ T74] fib6_nh_init+0x3d8/0x1580 [ 6594.839053][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6594.839053][ T74] ip6_route_add+0x1c/0x140 [ 6594.839053][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6594.839053][ T74] addrconf_add_dev+0xe2/0x170 [ 6594.839053][ T74] inet6_addr_add+0x12f/0xa40 [ 6594.839053][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6594.839053][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6594.839053][ T74] netlink_rcv_skb+0x130/0x360 [ 6594.839053][ T74] netlink_unicast+0x449/0x710 [ 6594.839053][ T74] netlink_sendmsg+0x723/0xbe0 [ 6594.839053][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6594.839053][ T74] ___sys_sendmsg+0xee/0x170 [ 6594.839053][ T74] __sys_sendmsg+0xcd/0x170 [ 6594.839053][ T74] do_syscall_64+0xc6/0x1e0 [ 6594.839053][ T74] [ 6594.841010][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6594.841010][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6594.841010][ T74] ipv6_find_idev+0x102/0x170 [ 6594.841010][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6594.841010][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6594.841010][ T74] netlink_rcv_skb+0x130/0x360 [ 6594.841010][ T74] netlink_unicast+0x449/0x710 [ 6594.841010][ T74] netlink_sendmsg+0x723/0xbe0 [ 6594.841010][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6594.841010][ T74] ___sys_sendmsg+0xee/0x170 [ 6594.841010][ T74] __sys_sendmsg+0xcd/0x170 [ 6594.841010][ T74] do_syscall_64+0xc6/0x1e0 [ 6594.841010][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6594.841010][ T74] [ 6594.842666][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6594.842666][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6594.842666][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6594.842666][ T74] ipv6_find_idev+0x102/0x170 [ 6594.842666][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6594.842666][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6594.842666][ T74] netlink_rcv_skb+0x130/0x360 [ 6594.842666][ T74] netlink_unicast+0x449/0x710 [ 6594.842666][ T74] netlink_sendmsg+0x723/0xbe0 [ 6594.842666][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6594.842666][ T74] ___sys_sendmsg+0xee/0x170 [ 6594.842666][ T74] __sys_sendmsg+0xcd/0x170 [ 6594.842666][ T74] do_syscall_64+0xc6/0x1e0 [ 6594.842666][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6594.842666][ T74] [ 6594.844582][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6594.844887][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6594.844887][ T74] netdev_get_by_index+0x5e/0x80 [ 6594.844887][ T74] fib6_nh_init+0x3d8/0x1580 [ 6594.844887][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6594.844887][ T74] ip6_route_add+0x1c/0x140 [ 6594.844887][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6594.844887][ T74] inet6_addr_add+0x4f8/0xa40 [ 6594.844887][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6594.844887][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6594.844887][ T74] netlink_rcv_skb+0x130/0x360 [ 6594.844887][ T74] netlink_unicast+0x449/0x710 [ 6594.844887][ T74] netlink_sendmsg+0x723/0xbe0 [ 6594.844887][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6594.844887][ T74] ___sys_sendmsg+0xee/0x170 [ 6594.844887][ T74] __sys_sendmsg+0xcd/0x170 [ 6594.844887][ T74] do_syscall_64+0xc6/0x1e0 [ 6594.844887][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6594.844887][ T74] [ 6594.847072][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6594.847072][ T74] netdev_get_by_index+0x5e/0x80 [ 6594.847072][ T74] fib6_nh_init+0x3d8/0x1580 [ 6594.847072][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6594.847072][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6594.847072][ T74] ipv6_add_addr+0x411/0x2000 [ 6594.847072][ T74] inet6_addr_add+0x30e/0xa40 [ 6594.847072][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6594.847072][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6594.847072][ T74] netlink_rcv_skb+0x130/0x360 [ 6594.847072][ T74] netlink_unicast+0x449/0x710 [ 6594.847072][ T74] netlink_sendmsg+0x723/0xbe0 [ 6594.847072][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6594.847072][ T74] ___sys_sendmsg+0xee/0x170 [ 6594.847072][ T74] __sys_sendmsg+0xcd/0x170 [ 6594.847072][ T74] do_syscall_64+0xc6/0x1e0 [ 6594.847072][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6594.847072][ T74] [ 6594.849327][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6594.849327][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6594.849327][ T74] ipv6_find_idev+0x102/0x170 [ 6594.849327][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6594.849327][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6594.849327][ T74] netlink_rcv_skb+0x130/0x360 [ 6594.849327][ T74] netlink_unicast+0x449/0x710 [ 6594.849327][ T74] netlink_sendmsg+0x723/0xbe0 [ 6594.849327][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6594.849327][ T74] ___sys_sendmsg+0xee/0x170 [ 6594.849327][ T74] __sys_sendmsg+0xcd/0x170 [ 6594.849327][ T74] do_syscall_64+0xc6/0x1e0 [ 6594.849327][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6594.849327][ T74] [ 6594.851044][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6594.851044][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6594.851044][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6594.851044][ T74] ipv6_find_idev+0x102/0x170 [ 6594.851044][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6594.851044][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6594.851044][ T74] netlink_rcv_skb+0x130/0x360 [ 6594.851044][ T74] netlink_unicast+0x449/0x710 [ 6594.851044][ T74] netlink_sendmsg+0x723/0xbe0 [ 6594.851044][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6594.851044][ T74] ___sys_sendmsg+0xee/0x170 [ 6594.851044][ T74] __sys_sendmsg+0xcd/0x170 [ 6594.851044][ T74] do_syscall_64+0xc6/0x1e0 [ 6594.851044][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6594.851044][ T74] [ 6605.103988][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6605.104339][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6605.104339][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6605.104339][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6605.104339][ T74] fib6_nh_init+0xa22/0x1580 [ 6605.104339][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6605.104339][ T74] ip6_route_add+0x1c/0x140 [ 6605.104339][ T74] inet6_rtm_newroute+0x104/0x110 [ 6605.104339][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6605.104339][ T74] netlink_rcv_skb+0x130/0x360 [ 6605.104339][ T74] netlink_unicast+0x449/0x710 [ 6605.104339][ T74] netlink_sendmsg+0x723/0xbe0 [ 6605.104339][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6605.104339][ T74] ___sys_sendmsg+0xee/0x170 [ 6605.104339][ T74] __sys_sendmsg+0xcd/0x170 [ 6605.104339][ T74] do_syscall_64+0xc6/0x1e0 [ 6605.104339][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6605.104339][ T74] [ 6605.106243][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6605.106243][ T74] netdev_get_by_index+0x5e/0x80 [ 6605.106243][ T74] fib6_nh_init+0x3d8/0x1580 [ 6605.106243][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6605.106243][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6605.106243][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6605.106243][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6605.106243][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6605.106243][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6605.106243][ T74] addrconf_dad_begin+0x310/0x670 [ 6605.106243][ T74] addrconf_dad_work+0x10b/0xab0 [ 6605.106243][ T74] process_one_work+0x84d/0x18a0 [ 6605.106243][ T74] worker_thread+0x587/0xd30 [ 6605.106243][ T74] kthread+0x28a/0x350 [ 6605.106243][ T74] ret_from_fork+0x31/0x70 [ 6605.106243][ T74] ret_from_fork_asm+0x1a/0x30 [ 6605.106243][ T74] [ 6605.108163][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6605.108163][ T74] netdev_get_by_index+0x5e/0x80 [ 6605.108163][ T74] fib6_nh_init+0x3d8/0x1580 [ 6605.108163][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6605.108163][ T74] ip6_route_add+0x1c/0x140 [ 6605.108163][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6605.108163][ T74] inet6_addr_add+0x4f8/0xa40 [ 6605.108163][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6605.108163][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6605.108163][ T74] netlink_rcv_skb+0x130/0x360 [ 6605.108163][ T74] netlink_unicast+0x449/0x710 [ 6605.108163][ T74] netlink_sendmsg+0x723/0xbe0 [ 6605.108163][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6605.108163][ T74] ___sys_sendmsg+0xee/0x170 [ 6605.108163][ T74] __sys_sendmsg+0xcd/0x170 [ 6605.108163][ T74] do_syscall_64+0xc6/0x1e0 [ 6605.108163][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6605.108163][ T74] [ 6605.110169][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6605.110169][ T74] netdev_get_by_index+0x5e/0x80 [ 6605.110169][ T74] fib6_nh_init+0x3d8/0x1580 [ 6605.110169][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6605.110169][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6605.110169][ T74] ipv6_add_addr+0x411/0x2000 [ 6605.110169][ T74] inet6_addr_add+0x30e/0xa40 [ 6605.110169][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6605.110169][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6605.110169][ T74] netlink_rcv_skb+0x130/0x360 [ 6605.110169][ T74] netlink_unicast+0x449/0x710 [ 6605.110169][ T74] netlink_sendmsg+0x723/0xbe0 [ 6605.110169][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6605.110169][ T74] ___sys_sendmsg+0xee/0x170 [ 6605.110169][ T74] __sys_sendmsg+0xcd/0x170 [ 6605.110169][ T74] do_syscall_64+0xc6/0x1e0 [ 6605.110169][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6605.110169][ T74] [ 6605.112167][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6605.112167][ T74] netdev_get_by_index+0x5e/0x80 [ 6605.112167][ T74] fib6_nh_init+0x3d8/0x1580 [ 6605.112167][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6605.112167][ T74] ip6_route_add+0x1c/0x140 [ 6605.112167][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6605.112167][ T74] addrconf_add_dev+0xe2/0x170 [ 6605.112167][ T74] inet6_addr_add+0x12f/0xa40 [ 6605.112167][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6605.112167][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6605.112167][ T74] netlink_rcv_skb+0x130/0x360 [ 6605.112167][ T74] netlink_unicast+0x449/0x710 [ 6605.112167][ T74] netlink_sendmsg+0x723/0xbe0 [ 6605.112167][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6605.112167][ T74] ___sys_sendmsg+0xee/0x170 [ 6605.112167][ T74] __sys_sendmsg+0xcd/0x170 [ 6605.112167][ T74] do_syscall_64+0xc6/0x1e0 [ 6605.112167][ T74] [ 6605.114135][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6605.114135][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6605.114135][ T74] ipv6_find_idev+0x102/0x170 [ 6605.114135][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6605.114135][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6605.114135][ T74] netlink_rcv_skb+0x130/0x360 [ 6605.114135][ T74] netlink_unicast+0x449/0x710 [ 6605.114135][ T74] netlink_sendmsg+0x723/0xbe0 [ 6605.114135][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6605.114135][ T74] ___sys_sendmsg+0xee/0x170 [ 6605.114135][ T74] __sys_sendmsg+0xcd/0x170 [ 6605.114135][ T74] do_syscall_64+0xc6/0x1e0 [ 6605.114135][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6605.114135][ T74] [ 6605.115670][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6605.115670][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6605.115670][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6605.115670][ T74] ipv6_find_idev+0x102/0x170 [ 6605.115670][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6605.115670][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6605.115670][ T74] netlink_rcv_skb+0x130/0x360 [ 6605.115670][ T74] netlink_unicast+0x449/0x710 [ 6605.115670][ T74] netlink_sendmsg+0x723/0xbe0 [ 6605.115670][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6605.115670][ T74] ___sys_sendmsg+0xee/0x170 [ 6605.115670][ T74] __sys_sendmsg+0xcd/0x170 [ 6605.115670][ T74] do_syscall_64+0xc6/0x1e0 [ 6605.115670][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6605.115670][ T74] [ 6605.117375][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6605.117661][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6605.117661][ T74] dst_init+0x84/0x4a0 [ 6605.117661][ T74] dst_alloc+0x97/0x150 [ 6605.117661][ T74] ip6_dst_alloc+0x23/0x90 [ 6605.117661][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6605.117661][ T74] ip6_pol_route+0x56f/0x840 [ 6605.117661][ T74] fib6_rule_lookup+0x456/0x630 [ 6605.117661][ T74] ip6_route_input+0x59c/0xa50 [ 6605.117661][ T74] ipv6_rcv+0x397/0x810 [ 6605.117661][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6605.117661][ T74] process_backlog+0x101/0x620 [ 6605.117661][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6605.117661][ T74] net_rx_action+0x495/0xbe0 [ 6605.117661][ T74] __do_softirq+0x1b5/0x7f6 [ 6605.117661][ T74] [ 6605.119293][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6605.119293][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6605.119293][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6605.119293][ T74] fib6_nh_init+0xa22/0x1580 [ 6605.119293][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6605.119293][ T74] ip6_route_add+0x1c/0x140 [ 6605.119293][ T74] inet6_rtm_newroute+0x104/0x110 [ 6605.119293][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6605.119293][ T74] netlink_rcv_skb+0x130/0x360 [ 6605.119293][ T74] netlink_unicast+0x449/0x710 [ 6605.119293][ T74] netlink_sendmsg+0x723/0xbe0 [ 6605.119293][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6605.119293][ T74] ___sys_sendmsg+0xee/0x170 [ 6605.119293][ T74] __sys_sendmsg+0xcd/0x170 [ 6605.119293][ T74] do_syscall_64+0xc6/0x1e0 [ 6605.119293][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6605.119293][ T74] [ 6605.121171][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6605.121171][ T74] netdev_get_by_index+0x5e/0x80 [ 6605.121171][ T74] fib6_nh_init+0x3d8/0x1580 [ 6605.121171][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6605.121171][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6605.121171][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6605.121171][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6605.121171][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6605.121171][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6605.121171][ T74] addrconf_dad_begin+0x310/0x670 [ 6605.121171][ T74] addrconf_dad_work+0x10b/0xab0 [ 6605.121171][ T74] process_one_work+0x84d/0x18a0 [ 6605.121171][ T74] worker_thread+0x587/0xd30 [ 6605.121171][ T74] kthread+0x28a/0x350 [ 6605.121171][ T74] ret_from_fork+0x31/0x70 [ 6605.121171][ T74] ret_from_fork_asm+0x1a/0x30 [ 6605.121171][ T74] [ 6605.123087][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6605.123087][ T74] netdev_get_by_index+0x5e/0x80 [ 6605.123087][ T74] fib6_nh_init+0x3d8/0x1580 [ 6605.123087][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6605.123087][ T74] ip6_route_add+0x1c/0x140 [ 6605.123087][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6605.123087][ T74] inet6_addr_add+0x4f8/0xa40 [ 6605.123087][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6605.123087][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6605.123087][ T74] netlink_rcv_skb+0x130/0x360 [ 6605.123087][ T74] netlink_unicast+0x449/0x710 [ 6605.123087][ T74] netlink_sendmsg+0x723/0xbe0 [ 6605.123087][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6605.123087][ T74] ___sys_sendmsg+0xee/0x170 [ 6605.123087][ T74] __sys_sendmsg+0xcd/0x170 [ 6605.123087][ T74] do_syscall_64+0xc6/0x1e0 [ 6605.123087][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6605.123087][ T74] [ 6605.125092][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6605.125092][ T74] netdev_get_by_index+0x5e/0x80 [ 6605.125092][ T74] fib6_nh_init+0x3d8/0x1580 [ 6605.125092][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6605.125092][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6605.125092][ T74] ipv6_add_addr+0x411/0x2000 [ 6605.125092][ T74] inet6_addr_add+0x30e/0xa40 [ 6605.125092][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6605.125092][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6605.125092][ T74] netlink_rcv_skb+0x130/0x360 [ 6605.125092][ T74] netlink_unicast+0x449/0x710 [ 6605.125092][ T74] netlink_sendmsg+0x723/0xbe0 [ 6605.125092][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6605.125092][ T74] ___sys_sendmsg+0xee/0x170 [ 6605.125092][ T74] __sys_sendmsg+0xcd/0x170 [ 6605.125092][ T74] do_syscall_64+0xc6/0x1e0 [ 6605.125092][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6605.125092][ T74] [ 6605.127106][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6605.127106][ T74] netdev_get_by_index+0x5e/0x80 [ 6605.127106][ T74] fib6_nh_init+0x3d8/0x1580 [ 6605.127106][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6605.127106][ T74] ip6_route_add+0x1c/0x140 [ 6605.127106][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6605.127106][ T74] addrconf_add_dev+0xe2/0x170 [ 6605.127106][ T74] inet6_addr_add+0x12f/0xa40 [ 6605.127106][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6605.127106][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6605.127106][ T74] netlink_rcv_skb+0x130/0x360 [ 6605.127106][ T74] netlink_unicast+0x449/0x710 [ 6605.127106][ T74] netlink_sendmsg+0x723/0xbe0 [ 6605.127106][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6605.127106][ T74] ___sys_sendmsg+0xee/0x170 [ 6605.127106][ T74] __sys_sendmsg+0xcd/0x170 [ 6605.127106][ T74] do_syscall_64+0xc6/0x1e0 [ 6605.127106][ T74] [ 6605.129075][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6605.129075][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6605.129075][ T74] ipv6_find_idev+0x102/0x170 [ 6605.129075][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6605.129075][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6605.129075][ T74] netlink_rcv_skb+0x130/0x360 [ 6605.129075][ T74] netlink_unicast+0x449/0x710 [ 6605.129075][ T74] netlink_sendmsg+0x723/0xbe0 [ 6605.129075][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6605.129075][ T74] ___sys_sendmsg+0xee/0x170 [ 6605.129075][ T74] __sys_sendmsg+0xcd/0x170 [ 6605.129075][ T74] do_syscall_64+0xc6/0x1e0 [ 6605.129075][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6605.129075][ T74] [ 6605.131251][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6605.131251][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6605.131251][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6605.131251][ T74] ipv6_find_idev+0x102/0x170 [ 6605.131251][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6605.131251][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6605.131251][ T74] netlink_rcv_skb+0x130/0x360 [ 6605.131251][ T74] netlink_unicast+0x449/0x710 [ 6605.131251][ T74] netlink_sendmsg+0x723/0xbe0 [ 6605.131251][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6605.131251][ T74] ___sys_sendmsg+0xee/0x170 [ 6605.131251][ T74] __sys_sendmsg+0xcd/0x170 [ 6605.131251][ T74] do_syscall_64+0xc6/0x1e0 [ 6605.131251][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6605.131251][ T74] [ 6605.133188][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6605.133487][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6605.133487][ T74] netdev_get_by_index+0x5e/0x80 [ 6605.133487][ T74] fib6_nh_init+0x3d8/0x1580 [ 6605.133487][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6605.133487][ T74] ip6_route_add+0x1c/0x140 [ 6605.133487][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6605.133487][ T74] inet6_addr_add+0x4f8/0xa40 [ 6605.133487][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6605.133487][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6605.133487][ T74] netlink_rcv_skb+0x130/0x360 [ 6605.133487][ T74] netlink_unicast+0x449/0x710 [ 6605.133487][ T74] netlink_sendmsg+0x723/0xbe0 [ 6605.133487][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6605.133487][ T74] ___sys_sendmsg+0xee/0x170 [ 6605.133487][ T74] __sys_sendmsg+0xcd/0x170 [ 6605.133487][ T74] do_syscall_64+0xc6/0x1e0 [ 6605.133487][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6605.133487][ T74] [ 6605.135610][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6605.135610][ T74] netdev_get_by_index+0x5e/0x80 [ 6605.135610][ T74] fib6_nh_init+0x3d8/0x1580 [ 6605.135610][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6605.135610][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6605.135610][ T74] ipv6_add_addr+0x411/0x2000 [ 6605.135610][ T74] inet6_addr_add+0x30e/0xa40 [ 6605.135610][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6605.135610][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6605.135610][ T74] netlink_rcv_skb+0x130/0x360 [ 6605.135610][ T74] netlink_unicast+0x449/0x710 [ 6605.135610][ T74] netlink_sendmsg+0x723/0xbe0 [ 6605.135610][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6605.135610][ T74] ___sys_sendmsg+0xee/0x170 [ 6605.135610][ T74] __sys_sendmsg+0xcd/0x170 [ 6605.135610][ T74] do_syscall_64+0xc6/0x1e0 [ 6605.135610][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6605.135610][ T74] [ 6605.137849][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6605.137849][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6605.137849][ T74] ipv6_find_idev+0x102/0x170 [ 6605.137849][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6605.137849][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6605.137849][ T74] netlink_rcv_skb+0x130/0x360 [ 6605.137849][ T74] netlink_unicast+0x449/0x710 [ 6605.137849][ T74] netlink_sendmsg+0x723/0xbe0 [ 6605.137849][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6605.137849][ T74] ___sys_sendmsg+0xee/0x170 [ 6605.137849][ T74] __sys_sendmsg+0xcd/0x170 [ 6605.137849][ T74] do_syscall_64+0xc6/0x1e0 [ 6605.137849][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6605.137849][ T74] [ 6605.139571][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6605.139571][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6605.139571][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6605.139571][ T74] ipv6_find_idev+0x102/0x170 [ 6605.139571][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6605.139571][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6605.139571][ T74] netlink_rcv_skb+0x130/0x360 [ 6605.139571][ T74] netlink_unicast+0x449/0x710 [ 6605.139571][ T74] netlink_sendmsg+0x723/0xbe0 [ 6605.139571][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6605.139571][ T74] ___sys_sendmsg+0xee/0x170 [ 6605.139571][ T74] __sys_sendmsg+0xcd/0x170 [ 6605.139571][ T74] do_syscall_64+0xc6/0x1e0 [ 6605.139571][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6605.139571][ T74] [ 6615.391985][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6615.392339][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6615.392339][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6615.392339][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6615.392339][ T74] fib6_nh_init+0xa22/0x1580 [ 6615.392339][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6615.392339][ T74] ip6_route_add+0x1c/0x140 [ 6615.392339][ T74] inet6_rtm_newroute+0x104/0x110 [ 6615.392339][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6615.392339][ T74] netlink_rcv_skb+0x130/0x360 [ 6615.392339][ T74] netlink_unicast+0x449/0x710 [ 6615.392339][ T74] netlink_sendmsg+0x723/0xbe0 [ 6615.392339][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6615.392339][ T74] ___sys_sendmsg+0xee/0x170 [ 6615.392339][ T74] __sys_sendmsg+0xcd/0x170 [ 6615.392339][ T74] do_syscall_64+0xc6/0x1e0 [ 6615.392339][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6615.392339][ T74] [ 6615.394229][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6615.394229][ T74] netdev_get_by_index+0x5e/0x80 [ 6615.394229][ T74] fib6_nh_init+0x3d8/0x1580 [ 6615.394229][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6615.394229][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6615.394229][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6615.394229][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6615.394229][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6615.394229][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6615.394229][ T74] addrconf_dad_begin+0x310/0x670 [ 6615.394229][ T74] addrconf_dad_work+0x10b/0xab0 [ 6615.394229][ T74] process_one_work+0x84d/0x18a0 [ 6615.394229][ T74] worker_thread+0x587/0xd30 [ 6615.394229][ T74] kthread+0x28a/0x350 [ 6615.394229][ T74] ret_from_fork+0x31/0x70 [ 6615.394229][ T74] ret_from_fork_asm+0x1a/0x30 [ 6615.394229][ T74] [ 6615.396139][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6615.396139][ T74] netdev_get_by_index+0x5e/0x80 [ 6615.396139][ T74] fib6_nh_init+0x3d8/0x1580 [ 6615.396139][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6615.396139][ T74] ip6_route_add+0x1c/0x140 [ 6615.396139][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6615.396139][ T74] inet6_addr_add+0x4f8/0xa40 [ 6615.396139][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6615.396139][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6615.396139][ T74] netlink_rcv_skb+0x130/0x360 [ 6615.396139][ T74] netlink_unicast+0x449/0x710 [ 6615.396139][ T74] netlink_sendmsg+0x723/0xbe0 [ 6615.396139][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6615.396139][ T74] ___sys_sendmsg+0xee/0x170 [ 6615.396139][ T74] __sys_sendmsg+0xcd/0x170 [ 6615.396139][ T74] do_syscall_64+0xc6/0x1e0 [ 6615.396139][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6615.396139][ T74] [ 6615.398143][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6615.398143][ T74] netdev_get_by_index+0x5e/0x80 [ 6615.398143][ T74] fib6_nh_init+0x3d8/0x1580 [ 6615.398143][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6615.398143][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6615.398143][ T74] ipv6_add_addr+0x411/0x2000 [ 6615.398143][ T74] inet6_addr_add+0x30e/0xa40 [ 6615.398143][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6615.398143][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6615.398143][ T74] netlink_rcv_skb+0x130/0x360 [ 6615.398143][ T74] netlink_unicast+0x449/0x710 [ 6615.398143][ T74] netlink_sendmsg+0x723/0xbe0 [ 6615.398143][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6615.398143][ T74] ___sys_sendmsg+0xee/0x170 [ 6615.398143][ T74] __sys_sendmsg+0xcd/0x170 [ 6615.398143][ T74] do_syscall_64+0xc6/0x1e0 [ 6615.398143][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6615.398143][ T74] [ 6615.400143][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6615.400143][ T74] netdev_get_by_index+0x5e/0x80 [ 6615.400143][ T74] fib6_nh_init+0x3d8/0x1580 [ 6615.400143][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6615.400143][ T74] ip6_route_add+0x1c/0x140 [ 6615.400143][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6615.400143][ T74] addrconf_add_dev+0xe2/0x170 [ 6615.400143][ T74] inet6_addr_add+0x12f/0xa40 [ 6615.400143][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6615.400143][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6615.400143][ T74] netlink_rcv_skb+0x130/0x360 [ 6615.400143][ T74] netlink_unicast+0x449/0x710 [ 6615.400143][ T74] netlink_sendmsg+0x723/0xbe0 [ 6615.400143][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6615.400143][ T74] ___sys_sendmsg+0xee/0x170 [ 6615.400143][ T74] __sys_sendmsg+0xcd/0x170 [ 6615.400143][ T74] do_syscall_64+0xc6/0x1e0 [ 6615.400143][ T74] [ 6615.402095][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6615.402095][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6615.402095][ T74] ipv6_find_idev+0x102/0x170 [ 6615.402095][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6615.402095][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6615.402095][ T74] netlink_rcv_skb+0x130/0x360 [ 6615.402095][ T74] netlink_unicast+0x449/0x710 [ 6615.402095][ T74] netlink_sendmsg+0x723/0xbe0 [ 6615.402095][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6615.402095][ T74] ___sys_sendmsg+0xee/0x170 [ 6615.402095][ T74] __sys_sendmsg+0xcd/0x170 [ 6615.402095][ T74] do_syscall_64+0xc6/0x1e0 [ 6615.402095][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6615.402095][ T74] [ 6615.403629][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6615.403629][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6615.403629][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6615.403629][ T74] ipv6_find_idev+0x102/0x170 [ 6615.403629][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6615.403629][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6615.403629][ T74] netlink_rcv_skb+0x130/0x360 [ 6615.403629][ T74] netlink_unicast+0x449/0x710 [ 6615.403629][ T74] netlink_sendmsg+0x723/0xbe0 [ 6615.403629][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6615.403629][ T74] ___sys_sendmsg+0xee/0x170 [ 6615.403629][ T74] __sys_sendmsg+0xcd/0x170 [ 6615.403629][ T74] do_syscall_64+0xc6/0x1e0 [ 6615.403629][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6615.403629][ T74] [ 6615.405309][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6615.405585][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6615.405585][ T74] dst_init+0x84/0x4a0 [ 6615.405585][ T74] dst_alloc+0x97/0x150 [ 6615.405585][ T74] ip6_dst_alloc+0x23/0x90 [ 6615.405585][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6615.405585][ T74] ip6_pol_route+0x56f/0x840 [ 6615.405585][ T74] fib6_rule_lookup+0x456/0x630 [ 6615.405585][ T74] ip6_route_input+0x59c/0xa50 [ 6615.405585][ T74] ipv6_rcv+0x397/0x810 [ 6615.405585][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6615.405585][ T74] process_backlog+0x101/0x620 [ 6615.405585][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6615.405585][ T74] net_rx_action+0x495/0xbe0 [ 6615.405585][ T74] __do_softirq+0x1b5/0x7f6 [ 6615.405585][ T74] [ 6615.407215][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6615.407215][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6615.407215][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6615.407215][ T74] fib6_nh_init+0xa22/0x1580 [ 6615.407215][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6615.407215][ T74] ip6_route_add+0x1c/0x140 [ 6615.407215][ T74] inet6_rtm_newroute+0x104/0x110 [ 6615.407215][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6615.407215][ T74] netlink_rcv_skb+0x130/0x360 [ 6615.407215][ T74] netlink_unicast+0x449/0x710 [ 6615.407215][ T74] netlink_sendmsg+0x723/0xbe0 [ 6615.407215][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6615.407215][ T74] ___sys_sendmsg+0xee/0x170 [ 6615.407215][ T74] __sys_sendmsg+0xcd/0x170 [ 6615.407215][ T74] do_syscall_64+0xc6/0x1e0 [ 6615.407215][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6615.407215][ T74] [ 6615.409100][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6615.409100][ T74] netdev_get_by_index+0x5e/0x80 [ 6615.409100][ T74] fib6_nh_init+0x3d8/0x1580 [ 6615.409100][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6615.409100][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6615.409100][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6615.409100][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6615.409100][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6615.409100][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6615.409100][ T74] addrconf_dad_begin+0x310/0x670 [ 6615.409100][ T74] addrconf_dad_work+0x10b/0xab0 [ 6615.409100][ T74] process_one_work+0x84d/0x18a0 [ 6615.409100][ T74] worker_thread+0x587/0xd30 [ 6615.409100][ T74] kthread+0x28a/0x350 [ 6615.409100][ T74] ret_from_fork+0x31/0x70 [ 6615.409100][ T74] ret_from_fork_asm+0x1a/0x30 [ 6615.409100][ T74] [ 6615.411003][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6615.411003][ T74] netdev_get_by_index+0x5e/0x80 [ 6615.411003][ T74] fib6_nh_init+0x3d8/0x1580 [ 6615.411003][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6615.411003][ T74] ip6_route_add+0x1c/0x140 [ 6615.411003][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6615.411003][ T74] inet6_addr_add+0x4f8/0xa40 [ 6615.411003][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6615.411003][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6615.411003][ T74] netlink_rcv_skb+0x130/0x360 [ 6615.411003][ T74] netlink_unicast+0x449/0x710 [ 6615.411003][ T74] netlink_sendmsg+0x723/0xbe0 [ 6615.411003][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6615.411003][ T74] ___sys_sendmsg+0xee/0x170 [ 6615.411003][ T74] __sys_sendmsg+0xcd/0x170 [ 6615.411003][ T74] do_syscall_64+0xc6/0x1e0 [ 6615.411003][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6615.411003][ T74] [ 6615.412986][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6615.412986][ T74] netdev_get_by_index+0x5e/0x80 [ 6615.412986][ T74] fib6_nh_init+0x3d8/0x1580 [ 6615.412986][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6615.412986][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6615.412986][ T74] ipv6_add_addr+0x411/0x2000 [ 6615.412986][ T74] inet6_addr_add+0x30e/0xa40 [ 6615.412986][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6615.412986][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6615.412986][ T74] netlink_rcv_skb+0x130/0x360 [ 6615.412986][ T74] netlink_unicast+0x449/0x710 [ 6615.412986][ T74] netlink_sendmsg+0x723/0xbe0 [ 6615.412986][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6615.412986][ T74] ___sys_sendmsg+0xee/0x170 [ 6615.412986][ T74] __sys_sendmsg+0xcd/0x170 [ 6615.412986][ T74] do_syscall_64+0xc6/0x1e0 [ 6615.412986][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6615.412986][ T74] [ 6615.415002][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6615.415002][ T74] netdev_get_by_index+0x5e/0x80 [ 6615.415002][ T74] fib6_nh_init+0x3d8/0x1580 [ 6615.415002][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6615.415002][ T74] ip6_route_add+0x1c/0x140 [ 6615.415002][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6615.415002][ T74] addrconf_add_dev+0xe2/0x170 [ 6615.415002][ T74] inet6_addr_add+0x12f/0xa40 [ 6615.415002][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6615.415002][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6615.415002][ T74] netlink_rcv_skb+0x130/0x360 [ 6615.415002][ T74] netlink_unicast+0x449/0x710 [ 6615.415002][ T74] netlink_sendmsg+0x723/0xbe0 [ 6615.415002][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6615.415002][ T74] ___sys_sendmsg+0xee/0x170 [ 6615.415002][ T74] __sys_sendmsg+0xcd/0x170 [ 6615.415002][ T74] do_syscall_64+0xc6/0x1e0 [ 6615.415002][ T74] [ 6615.416978][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6615.416978][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6615.416978][ T74] ipv6_find_idev+0x102/0x170 [ 6615.416978][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6615.416978][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6615.416978][ T74] netlink_rcv_skb+0x130/0x360 [ 6615.416978][ T74] netlink_unicast+0x449/0x710 [ 6615.416978][ T74] netlink_sendmsg+0x723/0xbe0 [ 6615.416978][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6615.416978][ T74] ___sys_sendmsg+0xee/0x170 [ 6615.416978][ T74] __sys_sendmsg+0xcd/0x170 [ 6615.416978][ T74] do_syscall_64+0xc6/0x1e0 [ 6615.416978][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6615.416978][ T74] [ 6615.418646][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6615.418646][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6615.418646][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6615.418646][ T74] ipv6_find_idev+0x102/0x170 [ 6615.418646][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6615.418646][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6615.418646][ T74] netlink_rcv_skb+0x130/0x360 [ 6615.418646][ T74] netlink_unicast+0x449/0x710 [ 6615.418646][ T74] netlink_sendmsg+0x723/0xbe0 [ 6615.418646][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6615.418646][ T74] ___sys_sendmsg+0xee/0x170 [ 6615.418646][ T74] __sys_sendmsg+0xcd/0x170 [ 6615.418646][ T74] do_syscall_64+0xc6/0x1e0 [ 6615.418646][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6615.418646][ T74] [ 6615.420619][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6615.420861][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6615.420861][ T74] netdev_get_by_index+0x5e/0x80 [ 6615.420861][ T74] fib6_nh_init+0x3d8/0x1580 [ 6615.420861][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6615.420861][ T74] ip6_route_add+0x1c/0x140 [ 6615.420861][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6615.420861][ T74] inet6_addr_add+0x4f8/0xa40 [ 6615.420861][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6615.420861][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6615.420861][ T74] netlink_rcv_skb+0x130/0x360 [ 6615.420861][ T74] netlink_unicast+0x449/0x710 [ 6615.420861][ T74] netlink_sendmsg+0x723/0xbe0 [ 6615.420861][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6615.420861][ T74] ___sys_sendmsg+0xee/0x170 [ 6615.420861][ T74] __sys_sendmsg+0xcd/0x170 [ 6615.420861][ T74] do_syscall_64+0xc6/0x1e0 [ 6615.420861][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6615.420861][ T74] [ 6615.423107][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6615.423107][ T74] netdev_get_by_index+0x5e/0x80 [ 6615.423107][ T74] fib6_nh_init+0x3d8/0x1580 [ 6615.423107][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6615.423107][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6615.423107][ T74] ipv6_add_addr+0x411/0x2000 [ 6615.423107][ T74] inet6_addr_add+0x30e/0xa40 [ 6615.423107][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6615.423107][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6615.423107][ T74] netlink_rcv_skb+0x130/0x360 [ 6615.423107][ T74] netlink_unicast+0x449/0x710 [ 6615.423107][ T74] netlink_sendmsg+0x723/0xbe0 [ 6615.423107][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6615.423107][ T74] ___sys_sendmsg+0xee/0x170 [ 6615.423107][ T74] __sys_sendmsg+0xcd/0x170 [ 6615.423107][ T74] do_syscall_64+0xc6/0x1e0 [ 6615.423107][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6615.423107][ T74] [ 6615.425332][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6615.425332][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6615.425332][ T74] ipv6_find_idev+0x102/0x170 [ 6615.425332][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6615.425332][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6615.425332][ T74] netlink_rcv_skb+0x130/0x360 [ 6615.425332][ T74] netlink_unicast+0x449/0x710 [ 6615.425332][ T74] netlink_sendmsg+0x723/0xbe0 [ 6615.425332][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6615.425332][ T74] ___sys_sendmsg+0xee/0x170 [ 6615.425332][ T74] __sys_sendmsg+0xcd/0x170 [ 6615.425332][ T74] do_syscall_64+0xc6/0x1e0 [ 6615.425332][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6615.425332][ T74] [ 6615.426936][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6615.426936][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6615.426936][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6615.426936][ T74] ipv6_find_idev+0x102/0x170 [ 6615.426936][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6615.426936][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6615.426936][ T74] netlink_rcv_skb+0x130/0x360 [ 6615.426936][ T74] netlink_unicast+0x449/0x710 [ 6615.426936][ T74] netlink_sendmsg+0x723/0xbe0 [ 6615.426936][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6615.426936][ T74] ___sys_sendmsg+0xee/0x170 [ 6615.426936][ T74] __sys_sendmsg+0xcd/0x170 [ 6615.426936][ T74] do_syscall_64+0xc6/0x1e0 [ 6615.426936][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6615.426936][ T74] [ 6625.680033][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6625.680504][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6625.680504][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6625.680504][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6625.680504][ T74] fib6_nh_init+0xa22/0x1580 [ 6625.680504][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6625.680504][ T74] ip6_route_add+0x1c/0x140 [ 6625.680504][ T74] inet6_rtm_newroute+0x104/0x110 [ 6625.680504][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6625.680504][ T74] netlink_rcv_skb+0x130/0x360 [ 6625.680504][ T74] netlink_unicast+0x449/0x710 [ 6625.680504][ T74] netlink_sendmsg+0x723/0xbe0 [ 6625.680504][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6625.680504][ T74] ___sys_sendmsg+0xee/0x170 [ 6625.680504][ T74] __sys_sendmsg+0xcd/0x170 [ 6625.680504][ T74] do_syscall_64+0xc6/0x1e0 [ 6625.680504][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6625.680504][ T74] [ 6625.682396][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6625.682396][ T74] netdev_get_by_index+0x5e/0x80 [ 6625.682396][ T74] fib6_nh_init+0x3d8/0x1580 [ 6625.682396][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6625.682396][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6625.682396][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6625.682396][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6625.682396][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6625.682396][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6625.682396][ T74] addrconf_dad_begin+0x310/0x670 [ 6625.682396][ T74] addrconf_dad_work+0x10b/0xab0 [ 6625.682396][ T74] process_one_work+0x84d/0x18a0 [ 6625.682396][ T74] worker_thread+0x587/0xd30 [ 6625.682396][ T74] kthread+0x28a/0x350 [ 6625.682396][ T74] ret_from_fork+0x31/0x70 [ 6625.682396][ T74] ret_from_fork_asm+0x1a/0x30 [ 6625.682396][ T74] [ 6625.684316][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6625.684316][ T74] netdev_get_by_index+0x5e/0x80 [ 6625.684316][ T74] fib6_nh_init+0x3d8/0x1580 [ 6625.684316][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6625.684316][ T74] ip6_route_add+0x1c/0x140 [ 6625.684316][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6625.684316][ T74] inet6_addr_add+0x4f8/0xa40 [ 6625.684316][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6625.684316][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6625.684316][ T74] netlink_rcv_skb+0x130/0x360 [ 6625.684316][ T74] netlink_unicast+0x449/0x710 [ 6625.684316][ T74] netlink_sendmsg+0x723/0xbe0 [ 6625.684316][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6625.684316][ T74] ___sys_sendmsg+0xee/0x170 [ 6625.684316][ T74] __sys_sendmsg+0xcd/0x170 [ 6625.684316][ T74] do_syscall_64+0xc6/0x1e0 [ 6625.684316][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6625.684316][ T74] [ 6625.686303][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6625.686303][ T74] netdev_get_by_index+0x5e/0x80 [ 6625.686303][ T74] fib6_nh_init+0x3d8/0x1580 [ 6625.686303][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6625.686303][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6625.686303][ T74] ipv6_add_addr+0x411/0x2000 [ 6625.686303][ T74] inet6_addr_add+0x30e/0xa40 [ 6625.686303][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6625.686303][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6625.686303][ T74] netlink_rcv_skb+0x130/0x360 [ 6625.686303][ T74] netlink_unicast+0x449/0x710 [ 6625.686303][ T74] netlink_sendmsg+0x723/0xbe0 [ 6625.686303][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6625.686303][ T74] ___sys_sendmsg+0xee/0x170 [ 6625.686303][ T74] __sys_sendmsg+0xcd/0x170 [ 6625.686303][ T74] do_syscall_64+0xc6/0x1e0 [ 6625.686303][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6625.686303][ T74] [ 6625.688302][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6625.688302][ T74] netdev_get_by_index+0x5e/0x80 [ 6625.688302][ T74] fib6_nh_init+0x3d8/0x1580 [ 6625.688302][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6625.688302][ T74] ip6_route_add+0x1c/0x140 [ 6625.688302][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6625.688302][ T74] addrconf_add_dev+0xe2/0x170 [ 6625.688302][ T74] inet6_addr_add+0x12f/0xa40 [ 6625.688302][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6625.688302][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6625.688302][ T74] netlink_rcv_skb+0x130/0x360 [ 6625.688302][ T74] netlink_unicast+0x449/0x710 [ 6625.688302][ T74] netlink_sendmsg+0x723/0xbe0 [ 6625.688302][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6625.688302][ T74] ___sys_sendmsg+0xee/0x170 [ 6625.688302][ T74] __sys_sendmsg+0xcd/0x170 [ 6625.688302][ T74] do_syscall_64+0xc6/0x1e0 [ 6625.688302][ T74] [ 6625.690266][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6625.690266][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6625.690266][ T74] ipv6_find_idev+0x102/0x170 [ 6625.690266][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6625.690266][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6625.690266][ T74] netlink_rcv_skb+0x130/0x360 [ 6625.690266][ T74] netlink_unicast+0x449/0x710 [ 6625.690266][ T74] netlink_sendmsg+0x723/0xbe0 [ 6625.690266][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6625.690266][ T74] ___sys_sendmsg+0xee/0x170 [ 6625.690266][ T74] __sys_sendmsg+0xcd/0x170 [ 6625.690266][ T74] do_syscall_64+0xc6/0x1e0 [ 6625.690266][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6625.690266][ T74] [ 6625.691800][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6625.691800][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6625.691800][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6625.691800][ T74] ipv6_find_idev+0x102/0x170 [ 6625.691800][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6625.691800][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6625.691800][ T74] netlink_rcv_skb+0x130/0x360 [ 6625.691800][ T74] netlink_unicast+0x449/0x710 [ 6625.691800][ T74] netlink_sendmsg+0x723/0xbe0 [ 6625.691800][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6625.691800][ T74] ___sys_sendmsg+0xee/0x170 [ 6625.691800][ T74] __sys_sendmsg+0xcd/0x170 [ 6625.691800][ T74] do_syscall_64+0xc6/0x1e0 [ 6625.691800][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6625.691800][ T74] [ 6625.693483][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6625.693762][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6625.693762][ T74] dst_init+0x84/0x4a0 [ 6625.693762][ T74] dst_alloc+0x97/0x150 [ 6625.693762][ T74] ip6_dst_alloc+0x23/0x90 [ 6625.693762][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6625.693762][ T74] ip6_pol_route+0x56f/0x840 [ 6625.693762][ T74] fib6_rule_lookup+0x456/0x630 [ 6625.693762][ T74] ip6_route_input+0x59c/0xa50 [ 6625.693762][ T74] ipv6_rcv+0x397/0x810 [ 6625.693762][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6625.693762][ T74] process_backlog+0x101/0x620 [ 6625.693762][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6625.693762][ T74] net_rx_action+0x495/0xbe0 [ 6625.693762][ T74] __do_softirq+0x1b5/0x7f6 [ 6625.693762][ T74] [ 6625.695386][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6625.695386][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6625.695386][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6625.695386][ T74] fib6_nh_init+0xa22/0x1580 [ 6625.695386][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6625.695386][ T74] ip6_route_add+0x1c/0x140 [ 6625.695386][ T74] inet6_rtm_newroute+0x104/0x110 [ 6625.695386][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6625.695386][ T74] netlink_rcv_skb+0x130/0x360 [ 6625.695386][ T74] netlink_unicast+0x449/0x710 [ 6625.695386][ T74] netlink_sendmsg+0x723/0xbe0 [ 6625.695386][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6625.695386][ T74] ___sys_sendmsg+0xee/0x170 [ 6625.695386][ T74] __sys_sendmsg+0xcd/0x170 [ 6625.695386][ T74] do_syscall_64+0xc6/0x1e0 [ 6625.695386][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6625.695386][ T74] [ 6625.697244][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6625.697244][ T74] netdev_get_by_index+0x5e/0x80 [ 6625.697244][ T74] fib6_nh_init+0x3d8/0x1580 [ 6625.697244][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6625.697244][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6625.697244][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6625.697244][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6625.697244][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6625.697244][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6625.697244][ T74] addrconf_dad_begin+0x310/0x670 [ 6625.697244][ T74] addrconf_dad_work+0x10b/0xab0 [ 6625.697244][ T74] process_one_work+0x84d/0x18a0 [ 6625.697244][ T74] worker_thread+0x587/0xd30 [ 6625.697244][ T74] kthread+0x28a/0x350 [ 6625.697244][ T74] ret_from_fork+0x31/0x70 [ 6625.697244][ T74] ret_from_fork_asm+0x1a/0x30 [ 6625.697244][ T74] [ 6625.699662][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6625.699662][ T74] netdev_get_by_index+0x5e/0x80 [ 6625.699662][ T74] fib6_nh_init+0x3d8/0x1580 [ 6625.699662][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6625.699662][ T74] ip6_route_add+0x1c/0x140 [ 6625.699662][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6625.699662][ T74] inet6_addr_add+0x4f8/0xa40 [ 6625.699662][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6625.699662][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6625.699662][ T74] netlink_rcv_skb+0x130/0x360 [ 6625.699662][ T74] netlink_unicast+0x449/0x710 [ 6625.699662][ T74] netlink_sendmsg+0x723/0xbe0 [ 6625.699662][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6625.699662][ T74] ___sys_sendmsg+0xee/0x170 [ 6625.699662][ T74] __sys_sendmsg+0xcd/0x170 [ 6625.699662][ T74] do_syscall_64+0xc6/0x1e0 [ 6625.699662][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6625.699662][ T74] [ 6625.701652][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6625.701652][ T74] netdev_get_by_index+0x5e/0x80 [ 6625.701652][ T74] fib6_nh_init+0x3d8/0x1580 [ 6625.701652][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6625.701652][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6625.701652][ T74] ipv6_add_addr+0x411/0x2000 [ 6625.701652][ T74] inet6_addr_add+0x30e/0xa40 [ 6625.701652][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6625.701652][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6625.701652][ T74] netlink_rcv_skb+0x130/0x360 [ 6625.701652][ T74] netlink_unicast+0x449/0x710 [ 6625.701652][ T74] netlink_sendmsg+0x723/0xbe0 [ 6625.701652][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6625.701652][ T74] ___sys_sendmsg+0xee/0x170 [ 6625.701652][ T74] __sys_sendmsg+0xcd/0x170 [ 6625.701652][ T74] do_syscall_64+0xc6/0x1e0 [ 6625.701652][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6625.701652][ T74] [ 6625.703644][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6625.703644][ T74] netdev_get_by_index+0x5e/0x80 [ 6625.703644][ T74] fib6_nh_init+0x3d8/0x1580 [ 6625.703644][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6625.703644][ T74] ip6_route_add+0x1c/0x140 [ 6625.703644][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6625.703644][ T74] addrconf_add_dev+0xe2/0x170 [ 6625.703644][ T74] inet6_addr_add+0x12f/0xa40 [ 6625.703644][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6625.703644][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6625.703644][ T74] netlink_rcv_skb+0x130/0x360 [ 6625.703644][ T74] netlink_unicast+0x449/0x710 [ 6625.703644][ T74] netlink_sendmsg+0x723/0xbe0 [ 6625.703644][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6625.703644][ T74] ___sys_sendmsg+0xee/0x170 [ 6625.703644][ T74] __sys_sendmsg+0xcd/0x170 [ 6625.703644][ T74] do_syscall_64+0xc6/0x1e0 [ 6625.703644][ T74] [ 6625.705597][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6625.705597][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6625.705597][ T74] ipv6_find_idev+0x102/0x170 [ 6625.705597][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6625.705597][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6625.705597][ T74] netlink_rcv_skb+0x130/0x360 [ 6625.705597][ T74] netlink_unicast+0x449/0x710 [ 6625.705597][ T74] netlink_sendmsg+0x723/0xbe0 [ 6625.705597][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6625.705597][ T74] ___sys_sendmsg+0xee/0x170 [ 6625.705597][ T74] __sys_sendmsg+0xcd/0x170 [ 6625.705597][ T74] do_syscall_64+0xc6/0x1e0 [ 6625.705597][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6625.705597][ T74] [ 6625.707255][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6625.707255][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6625.707255][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6625.707255][ T74] ipv6_find_idev+0x102/0x170 [ 6625.707255][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6625.707255][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6625.707255][ T74] netlink_rcv_skb+0x130/0x360 [ 6625.707255][ T74] netlink_unicast+0x449/0x710 [ 6625.707255][ T74] netlink_sendmsg+0x723/0xbe0 [ 6625.707255][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6625.707255][ T74] ___sys_sendmsg+0xee/0x170 [ 6625.707255][ T74] __sys_sendmsg+0xcd/0x170 [ 6625.707255][ T74] do_syscall_64+0xc6/0x1e0 [ 6625.707255][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6625.707255][ T74] [ 6625.709236][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6625.709471][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6625.709471][ T74] netdev_get_by_index+0x5e/0x80 [ 6625.709471][ T74] fib6_nh_init+0x3d8/0x1580 [ 6625.709471][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6625.709471][ T74] ip6_route_add+0x1c/0x140 [ 6625.709471][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6625.709471][ T74] inet6_addr_add+0x4f8/0xa40 [ 6625.709471][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6625.709471][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6625.709471][ T74] netlink_rcv_skb+0x130/0x360 [ 6625.709471][ T74] netlink_unicast+0x449/0x710 [ 6625.709471][ T74] netlink_sendmsg+0x723/0xbe0 [ 6625.709471][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6625.709471][ T74] ___sys_sendmsg+0xee/0x170 [ 6625.709471][ T74] __sys_sendmsg+0xcd/0x170 [ 6625.709471][ T74] do_syscall_64+0xc6/0x1e0 [ 6625.709471][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6625.709471][ T74] [ 6625.711705][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6625.711705][ T74] netdev_get_by_index+0x5e/0x80 [ 6625.711705][ T74] fib6_nh_init+0x3d8/0x1580 [ 6625.711705][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6625.711705][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6625.711705][ T74] ipv6_add_addr+0x411/0x2000 [ 6625.711705][ T74] inet6_addr_add+0x30e/0xa40 [ 6625.711705][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6625.711705][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6625.711705][ T74] netlink_rcv_skb+0x130/0x360 [ 6625.711705][ T74] netlink_unicast+0x449/0x710 [ 6625.711705][ T74] netlink_sendmsg+0x723/0xbe0 [ 6625.711705][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6625.711705][ T74] ___sys_sendmsg+0xee/0x170 [ 6625.711705][ T74] __sys_sendmsg+0xcd/0x170 [ 6625.711705][ T74] do_syscall_64+0xc6/0x1e0 [ 6625.711705][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6625.711705][ T74] [ 6625.713922][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6625.713922][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6625.713922][ T74] ipv6_find_idev+0x102/0x170 [ 6625.713922][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6625.713922][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6625.713922][ T74] netlink_rcv_skb+0x130/0x360 [ 6625.713922][ T74] netlink_unicast+0x449/0x710 [ 6625.713922][ T74] netlink_sendmsg+0x723/0xbe0 [ 6625.713922][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6625.713922][ T74] ___sys_sendmsg+0xee/0x170 [ 6625.713922][ T74] __sys_sendmsg+0xcd/0x170 [ 6625.713922][ T74] do_syscall_64+0xc6/0x1e0 [ 6625.713922][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6625.713922][ T74] [ 6625.715507][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6625.715507][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6625.715507][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6625.715507][ T74] ipv6_find_idev+0x102/0x170 [ 6625.715507][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6625.715507][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6625.715507][ T74] netlink_rcv_skb+0x130/0x360 [ 6625.715507][ T74] netlink_unicast+0x449/0x710 [ 6625.715507][ T74] netlink_sendmsg+0x723/0xbe0 [ 6625.715507][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6625.715507][ T74] ___sys_sendmsg+0xee/0x170 [ 6625.715507][ T74] __sys_sendmsg+0xcd/0x170 [ 6625.715507][ T74] do_syscall_64+0xc6/0x1e0 [ 6625.715507][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6625.715507][ T74] [ 6635.935953][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6635.936322][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6635.936322][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6635.936322][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6635.936322][ T74] fib6_nh_init+0xa22/0x1580 [ 6635.936322][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6635.936322][ T74] ip6_route_add+0x1c/0x140 [ 6635.936322][ T74] inet6_rtm_newroute+0x104/0x110 [ 6635.936322][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6635.936322][ T74] netlink_rcv_skb+0x130/0x360 [ 6635.936322][ T74] netlink_unicast+0x449/0x710 [ 6635.936322][ T74] netlink_sendmsg+0x723/0xbe0 [ 6635.936322][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6635.936322][ T74] ___sys_sendmsg+0xee/0x170 [ 6635.936322][ T74] __sys_sendmsg+0xcd/0x170 [ 6635.936322][ T74] do_syscall_64+0xc6/0x1e0 [ 6635.936322][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6635.936322][ T74] [ 6635.938223][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6635.938223][ T74] netdev_get_by_index+0x5e/0x80 [ 6635.938223][ T74] fib6_nh_init+0x3d8/0x1580 [ 6635.938223][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6635.938223][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6635.938223][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6635.938223][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6635.938223][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6635.938223][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6635.938223][ T74] addrconf_dad_begin+0x310/0x670 [ 6635.938223][ T74] addrconf_dad_work+0x10b/0xab0 [ 6635.938223][ T74] process_one_work+0x84d/0x18a0 [ 6635.938223][ T74] worker_thread+0x587/0xd30 [ 6635.938223][ T74] kthread+0x28a/0x350 [ 6635.938223][ T74] ret_from_fork+0x31/0x70 [ 6635.938223][ T74] ret_from_fork_asm+0x1a/0x30 [ 6635.938223][ T74] [ 6635.940137][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6635.940137][ T74] netdev_get_by_index+0x5e/0x80 [ 6635.940137][ T74] fib6_nh_init+0x3d8/0x1580 [ 6635.940137][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6635.940137][ T74] ip6_route_add+0x1c/0x140 [ 6635.940137][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6635.940137][ T74] inet6_addr_add+0x4f8/0xa40 [ 6635.940137][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6635.940137][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6635.940137][ T74] netlink_rcv_skb+0x130/0x360 [ 6635.940137][ T74] netlink_unicast+0x449/0x710 [ 6635.940137][ T74] netlink_sendmsg+0x723/0xbe0 [ 6635.940137][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6635.940137][ T74] ___sys_sendmsg+0xee/0x170 [ 6635.940137][ T74] __sys_sendmsg+0xcd/0x170 [ 6635.940137][ T74] do_syscall_64+0xc6/0x1e0 [ 6635.940137][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6635.940137][ T74] [ 6635.942135][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6635.942135][ T74] netdev_get_by_index+0x5e/0x80 [ 6635.942135][ T74] fib6_nh_init+0x3d8/0x1580 [ 6635.942135][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6635.942135][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6635.942135][ T74] ipv6_add_addr+0x411/0x2000 [ 6635.942135][ T74] inet6_addr_add+0x30e/0xa40 [ 6635.942135][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6635.942135][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6635.942135][ T74] netlink_rcv_skb+0x130/0x360 [ 6635.942135][ T74] netlink_unicast+0x449/0x710 [ 6635.942135][ T74] netlink_sendmsg+0x723/0xbe0 [ 6635.942135][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6635.942135][ T74] ___sys_sendmsg+0xee/0x170 [ 6635.942135][ T74] __sys_sendmsg+0xcd/0x170 [ 6635.942135][ T74] do_syscall_64+0xc6/0x1e0 [ 6635.942135][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6635.942135][ T74] [ 6635.944150][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6635.944150][ T74] netdev_get_by_index+0x5e/0x80 [ 6635.944150][ T74] fib6_nh_init+0x3d8/0x1580 [ 6635.944150][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6635.944150][ T74] ip6_route_add+0x1c/0x140 [ 6635.944150][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6635.944150][ T74] addrconf_add_dev+0xe2/0x170 [ 6635.944150][ T74] inet6_addr_add+0x12f/0xa40 [ 6635.944150][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6635.944150][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6635.944150][ T74] netlink_rcv_skb+0x130/0x360 [ 6635.944150][ T74] netlink_unicast+0x449/0x710 [ 6635.944150][ T74] netlink_sendmsg+0x723/0xbe0 [ 6635.944150][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6635.944150][ T74] ___sys_sendmsg+0xee/0x170 [ 6635.944150][ T74] __sys_sendmsg+0xcd/0x170 [ 6635.944150][ T74] do_syscall_64+0xc6/0x1e0 [ 6635.944150][ T74] [ 6635.946122][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6635.946122][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6635.946122][ T74] ipv6_find_idev+0x102/0x170 [ 6635.946122][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6635.946122][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6635.946122][ T74] netlink_rcv_skb+0x130/0x360 [ 6635.946122][ T74] netlink_unicast+0x449/0x710 [ 6635.946122][ T74] netlink_sendmsg+0x723/0xbe0 [ 6635.946122][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6635.946122][ T74] ___sys_sendmsg+0xee/0x170 [ 6635.946122][ T74] __sys_sendmsg+0xcd/0x170 [ 6635.946122][ T74] do_syscall_64+0xc6/0x1e0 [ 6635.946122][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6635.946122][ T74] [ 6635.947662][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6635.947662][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6635.947662][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6635.947662][ T74] ipv6_find_idev+0x102/0x170 [ 6635.947662][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6635.947662][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6635.947662][ T74] netlink_rcv_skb+0x130/0x360 [ 6635.947662][ T74] netlink_unicast+0x449/0x710 [ 6635.947662][ T74] netlink_sendmsg+0x723/0xbe0 [ 6635.947662][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6635.947662][ T74] ___sys_sendmsg+0xee/0x170 [ 6635.947662][ T74] __sys_sendmsg+0xcd/0x170 [ 6635.947662][ T74] do_syscall_64+0xc6/0x1e0 [ 6635.947662][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6635.947662][ T74] [ 6635.949359][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6635.949628][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6635.949628][ T74] dst_init+0x84/0x4a0 [ 6635.949628][ T74] dst_alloc+0x97/0x150 [ 6635.949628][ T74] ip6_dst_alloc+0x23/0x90 [ 6635.949628][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6635.949628][ T74] ip6_pol_route+0x56f/0x840 [ 6635.949628][ T74] fib6_rule_lookup+0x456/0x630 [ 6635.949628][ T74] ip6_route_input+0x59c/0xa50 [ 6635.949628][ T74] ipv6_rcv+0x397/0x810 [ 6635.949628][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6635.949628][ T74] process_backlog+0x101/0x620 [ 6635.949628][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6635.949628][ T74] net_rx_action+0x495/0xbe0 [ 6635.949628][ T74] __do_softirq+0x1b5/0x7f6 [ 6635.949628][ T74] [ 6635.951262][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6635.951262][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6635.951262][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6635.951262][ T74] fib6_nh_init+0xa22/0x1580 [ 6635.951262][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6635.951262][ T74] ip6_route_add+0x1c/0x140 [ 6635.951262][ T74] inet6_rtm_newroute+0x104/0x110 [ 6635.951262][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6635.951262][ T74] netlink_rcv_skb+0x130/0x360 [ 6635.951262][ T74] netlink_unicast+0x449/0x710 [ 6635.951262][ T74] netlink_sendmsg+0x723/0xbe0 [ 6635.951262][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6635.951262][ T74] ___sys_sendmsg+0xee/0x170 [ 6635.951262][ T74] __sys_sendmsg+0xcd/0x170 [ 6635.951262][ T74] do_syscall_64+0xc6/0x1e0 [ 6635.951262][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6635.951262][ T74] [ 6635.953137][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6635.953137][ T74] netdev_get_by_index+0x5e/0x80 [ 6635.953137][ T74] fib6_nh_init+0x3d8/0x1580 [ 6635.953137][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6635.953137][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6635.953137][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6635.953137][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6635.953137][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6635.953137][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6635.953137][ T74] addrconf_dad_begin+0x310/0x670 [ 6635.953137][ T74] addrconf_dad_work+0x10b/0xab0 [ 6635.953137][ T74] process_one_work+0x84d/0x18a0 [ 6635.953137][ T74] worker_thread+0x587/0xd30 [ 6635.953137][ T74] kthread+0x28a/0x350 [ 6635.953137][ T74] ret_from_fork+0x31/0x70 [ 6635.953137][ T74] ret_from_fork_asm+0x1a/0x30 [ 6635.953137][ T74] [ 6635.955040][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6635.955040][ T74] netdev_get_by_index+0x5e/0x80 [ 6635.955040][ T74] fib6_nh_init+0x3d8/0x1580 [ 6635.955040][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6635.955040][ T74] ip6_route_add+0x1c/0x140 [ 6635.955040][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6635.955040][ T74] inet6_addr_add+0x4f8/0xa40 [ 6635.955040][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6635.955040][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6635.955040][ T74] netlink_rcv_skb+0x130/0x360 [ 6635.955040][ T74] netlink_unicast+0x449/0x710 [ 6635.955040][ T74] netlink_sendmsg+0x723/0xbe0 [ 6635.955040][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6635.955040][ T74] ___sys_sendmsg+0xee/0x170 [ 6635.955040][ T74] __sys_sendmsg+0xcd/0x170 [ 6635.955040][ T74] do_syscall_64+0xc6/0x1e0 [ 6635.955040][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6635.955040][ T74] [ 6635.957043][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6635.957043][ T74] netdev_get_by_index+0x5e/0x80 [ 6635.957043][ T74] fib6_nh_init+0x3d8/0x1580 [ 6635.957043][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6635.957043][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6635.957043][ T74] ipv6_add_addr+0x411/0x2000 [ 6635.957043][ T74] inet6_addr_add+0x30e/0xa40 [ 6635.957043][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6635.957043][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6635.957043][ T74] netlink_rcv_skb+0x130/0x360 [ 6635.957043][ T74] netlink_unicast+0x449/0x710 [ 6635.957043][ T74] netlink_sendmsg+0x723/0xbe0 [ 6635.957043][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6635.957043][ T74] ___sys_sendmsg+0xee/0x170 [ 6635.957043][ T74] __sys_sendmsg+0xcd/0x170 [ 6635.957043][ T74] do_syscall_64+0xc6/0x1e0 [ 6635.957043][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6635.957043][ T74] [ 6635.959052][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6635.959052][ T74] netdev_get_by_index+0x5e/0x80 [ 6635.959052][ T74] fib6_nh_init+0x3d8/0x1580 [ 6635.959052][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6635.959052][ T74] ip6_route_add+0x1c/0x140 [ 6635.959052][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6635.959052][ T74] addrconf_add_dev+0xe2/0x170 [ 6635.959052][ T74] inet6_addr_add+0x12f/0xa40 [ 6635.959052][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6635.959052][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6635.959052][ T74] netlink_rcv_skb+0x130/0x360 [ 6635.959052][ T74] netlink_unicast+0x449/0x710 [ 6635.959052][ T74] netlink_sendmsg+0x723/0xbe0 [ 6635.959052][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6635.959052][ T74] ___sys_sendmsg+0xee/0x170 [ 6635.959052][ T74] __sys_sendmsg+0xcd/0x170 [ 6635.959052][ T74] do_syscall_64+0xc6/0x1e0 [ 6635.959052][ T74] [ 6635.961017][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6635.961017][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6635.961017][ T74] ipv6_find_idev+0x102/0x170 [ 6635.961017][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6635.961017][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6635.961017][ T74] netlink_rcv_skb+0x130/0x360 [ 6635.961017][ T74] netlink_unicast+0x449/0x710 [ 6635.961017][ T74] netlink_sendmsg+0x723/0xbe0 [ 6635.961017][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6635.961017][ T74] ___sys_sendmsg+0xee/0x170 [ 6635.961017][ T74] __sys_sendmsg+0xcd/0x170 [ 6635.961017][ T74] do_syscall_64+0xc6/0x1e0 [ 6635.961017][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6635.961017][ T74] [ 6635.962680][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6635.962680][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6635.962680][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6635.962680][ T74] ipv6_find_idev+0x102/0x170 [ 6635.962680][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6635.962680][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6635.962680][ T74] netlink_rcv_skb+0x130/0x360 [ 6635.962680][ T74] netlink_unicast+0x449/0x710 [ 6635.962680][ T74] netlink_sendmsg+0x723/0xbe0 [ 6635.962680][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6635.962680][ T74] ___sys_sendmsg+0xee/0x170 [ 6635.962680][ T74] __sys_sendmsg+0xcd/0x170 [ 6635.962680][ T74] do_syscall_64+0xc6/0x1e0 [ 6635.962680][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6635.962680][ T74] [ 6635.964599][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6635.964916][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6635.964916][ T74] netdev_get_by_index+0x5e/0x80 [ 6635.964916][ T74] fib6_nh_init+0x3d8/0x1580 [ 6635.964916][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6635.964916][ T74] ip6_route_add+0x1c/0x140 [ 6635.964916][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6635.964916][ T74] inet6_addr_add+0x4f8/0xa40 [ 6635.964916][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6635.964916][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6635.964916][ T74] netlink_rcv_skb+0x130/0x360 [ 6635.964916][ T74] netlink_unicast+0x449/0x710 [ 6635.964916][ T74] netlink_sendmsg+0x723/0xbe0 [ 6635.964916][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6635.964916][ T74] ___sys_sendmsg+0xee/0x170 [ 6635.964916][ T74] __sys_sendmsg+0xcd/0x170 [ 6635.964916][ T74] do_syscall_64+0xc6/0x1e0 [ 6635.964916][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6635.964916][ T74] [ 6635.967036][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6635.967036][ T74] netdev_get_by_index+0x5e/0x80 [ 6635.967036][ T74] fib6_nh_init+0x3d8/0x1580 [ 6635.967036][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6635.967036][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6635.967036][ T74] ipv6_add_addr+0x411/0x2000 [ 6635.967036][ T74] inet6_addr_add+0x30e/0xa40 [ 6635.967036][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6635.967036][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6635.967036][ T74] netlink_rcv_skb+0x130/0x360 [ 6635.967036][ T74] netlink_unicast+0x449/0x710 [ 6635.967036][ T74] netlink_sendmsg+0x723/0xbe0 [ 6635.967036][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6635.967036][ T74] ___sys_sendmsg+0xee/0x170 [ 6635.967036][ T74] __sys_sendmsg+0xcd/0x170 [ 6635.967036][ T74] do_syscall_64+0xc6/0x1e0 [ 6635.967036][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6635.967036][ T74] [ 6635.969285][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6635.969285][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6635.969285][ T74] ipv6_find_idev+0x102/0x170 [ 6635.969285][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6635.969285][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6635.969285][ T74] netlink_rcv_skb+0x130/0x360 [ 6635.969285][ T74] netlink_unicast+0x449/0x710 [ 6635.969285][ T74] netlink_sendmsg+0x723/0xbe0 [ 6635.969285][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6635.969285][ T74] ___sys_sendmsg+0xee/0x170 [ 6635.969285][ T74] __sys_sendmsg+0xcd/0x170 [ 6635.969285][ T74] do_syscall_64+0xc6/0x1e0 [ 6635.969285][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6635.969285][ T74] [ 6635.970956][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6635.970956][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6635.970956][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6635.970956][ T74] ipv6_find_idev+0x102/0x170 [ 6635.970956][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6635.970956][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6635.970956][ T74] netlink_rcv_skb+0x130/0x360 [ 6635.970956][ T74] netlink_unicast+0x449/0x710 [ 6635.970956][ T74] netlink_sendmsg+0x723/0xbe0 [ 6635.970956][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6635.970956][ T74] ___sys_sendmsg+0xee/0x170 [ 6635.970956][ T74] __sys_sendmsg+0xcd/0x170 [ 6635.970956][ T74] do_syscall_64+0xc6/0x1e0 [ 6635.970956][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6635.970956][ T74] [ 6646.215975][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6646.216333][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6646.216333][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6646.216333][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6646.216333][ T74] fib6_nh_init+0xa22/0x1580 [ 6646.216333][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6646.216333][ T74] ip6_route_add+0x1c/0x140 [ 6646.216333][ T74] inet6_rtm_newroute+0x104/0x110 [ 6646.216333][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6646.216333][ T74] netlink_rcv_skb+0x130/0x360 [ 6646.216333][ T74] netlink_unicast+0x449/0x710 [ 6646.216333][ T74] netlink_sendmsg+0x723/0xbe0 [ 6646.216333][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6646.216333][ T74] ___sys_sendmsg+0xee/0x170 [ 6646.216333][ T74] __sys_sendmsg+0xcd/0x170 [ 6646.216333][ T74] do_syscall_64+0xc6/0x1e0 [ 6646.216333][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6646.216333][ T74] [ 6646.218251][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6646.218251][ T74] netdev_get_by_index+0x5e/0x80 [ 6646.218251][ T74] fib6_nh_init+0x3d8/0x1580 [ 6646.218251][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6646.218251][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6646.218251][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6646.218251][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6646.218251][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6646.218251][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6646.218251][ T74] addrconf_dad_begin+0x310/0x670 [ 6646.218251][ T74] addrconf_dad_work+0x10b/0xab0 [ 6646.218251][ T74] process_one_work+0x84d/0x18a0 [ 6646.218251][ T74] worker_thread+0x587/0xd30 [ 6646.218251][ T74] kthread+0x28a/0x350 [ 6646.218251][ T74] ret_from_fork+0x31/0x70 [ 6646.218251][ T74] ret_from_fork_asm+0x1a/0x30 [ 6646.218251][ T74] [ 6646.220182][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6646.220182][ T74] netdev_get_by_index+0x5e/0x80 [ 6646.220182][ T74] fib6_nh_init+0x3d8/0x1580 [ 6646.220182][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6646.220182][ T74] ip6_route_add+0x1c/0x140 [ 6646.220182][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6646.220182][ T74] inet6_addr_add+0x4f8/0xa40 [ 6646.220182][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6646.220182][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6646.220182][ T74] netlink_rcv_skb+0x130/0x360 [ 6646.220182][ T74] netlink_unicast+0x449/0x710 [ 6646.220182][ T74] netlink_sendmsg+0x723/0xbe0 [ 6646.220182][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6646.220182][ T74] ___sys_sendmsg+0xee/0x170 [ 6646.220182][ T74] __sys_sendmsg+0xcd/0x170 [ 6646.220182][ T74] do_syscall_64+0xc6/0x1e0 [ 6646.220182][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6646.220182][ T74] [ 6646.222210][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6646.222210][ T74] netdev_get_by_index+0x5e/0x80 [ 6646.222210][ T74] fib6_nh_init+0x3d8/0x1580 [ 6646.222210][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6646.222210][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6646.222210][ T74] ipv6_add_addr+0x411/0x2000 [ 6646.222210][ T74] inet6_addr_add+0x30e/0xa40 [ 6646.222210][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6646.222210][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6646.222210][ T74] netlink_rcv_skb+0x130/0x360 [ 6646.222210][ T74] netlink_unicast+0x449/0x710 [ 6646.222210][ T74] netlink_sendmsg+0x723/0xbe0 [ 6646.222210][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6646.222210][ T74] ___sys_sendmsg+0xee/0x170 [ 6646.222210][ T74] __sys_sendmsg+0xcd/0x170 [ 6646.222210][ T74] do_syscall_64+0xc6/0x1e0 [ 6646.222210][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6646.222210][ T74] [ 6646.224206][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6646.224206][ T74] netdev_get_by_index+0x5e/0x80 [ 6646.224206][ T74] fib6_nh_init+0x3d8/0x1580 [ 6646.224206][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6646.224206][ T74] ip6_route_add+0x1c/0x140 [ 6646.224206][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6646.224206][ T74] addrconf_add_dev+0xe2/0x170 [ 6646.224206][ T74] inet6_addr_add+0x12f/0xa40 [ 6646.224206][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6646.224206][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6646.224206][ T74] netlink_rcv_skb+0x130/0x360 [ 6646.224206][ T74] netlink_unicast+0x449/0x710 [ 6646.224206][ T74] netlink_sendmsg+0x723/0xbe0 [ 6646.224206][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6646.224206][ T74] ___sys_sendmsg+0xee/0x170 [ 6646.224206][ T74] __sys_sendmsg+0xcd/0x170 [ 6646.224206][ T74] do_syscall_64+0xc6/0x1e0 [ 6646.224206][ T74] [ 6646.226162][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6646.226162][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6646.226162][ T74] ipv6_find_idev+0x102/0x170 [ 6646.226162][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6646.226162][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6646.226162][ T74] netlink_rcv_skb+0x130/0x360 [ 6646.226162][ T74] netlink_unicast+0x449/0x710 [ 6646.226162][ T74] netlink_sendmsg+0x723/0xbe0 [ 6646.226162][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6646.226162][ T74] ___sys_sendmsg+0xee/0x170 [ 6646.226162][ T74] __sys_sendmsg+0xcd/0x170 [ 6646.226162][ T74] do_syscall_64+0xc6/0x1e0 [ 6646.226162][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6646.226162][ T74] [ 6646.227707][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6646.227707][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6646.227707][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6646.227707][ T74] ipv6_find_idev+0x102/0x170 [ 6646.227707][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6646.227707][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6646.227707][ T74] netlink_rcv_skb+0x130/0x360 [ 6646.227707][ T74] netlink_unicast+0x449/0x710 [ 6646.227707][ T74] netlink_sendmsg+0x723/0xbe0 [ 6646.227707][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6646.227707][ T74] ___sys_sendmsg+0xee/0x170 [ 6646.227707][ T74] __sys_sendmsg+0xcd/0x170 [ 6646.227707][ T74] do_syscall_64+0xc6/0x1e0 [ 6646.227707][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6646.227707][ T74] [ 6646.229399][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6646.229671][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6646.229671][ T74] dst_init+0x84/0x4a0 [ 6646.229671][ T74] dst_alloc+0x97/0x150 [ 6646.229671][ T74] ip6_dst_alloc+0x23/0x90 [ 6646.229671][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6646.229671][ T74] ip6_pol_route+0x56f/0x840 [ 6646.229671][ T74] fib6_rule_lookup+0x456/0x630 [ 6646.229671][ T74] ip6_route_input+0x59c/0xa50 [ 6646.229671][ T74] ipv6_rcv+0x397/0x810 [ 6646.229671][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6646.229671][ T74] process_backlog+0x101/0x620 [ 6646.229671][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6646.229671][ T74] net_rx_action+0x495/0xbe0 [ 6646.229671][ T74] __do_softirq+0x1b5/0x7f6 [ 6646.229671][ T74] [ 6646.231306][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6646.231306][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6646.231306][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6646.231306][ T74] fib6_nh_init+0xa22/0x1580 [ 6646.231306][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6646.231306][ T74] ip6_route_add+0x1c/0x140 [ 6646.231306][ T74] inet6_rtm_newroute+0x104/0x110 [ 6646.231306][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6646.231306][ T74] netlink_rcv_skb+0x130/0x360 [ 6646.231306][ T74] netlink_unicast+0x449/0x710 [ 6646.231306][ T74] netlink_sendmsg+0x723/0xbe0 [ 6646.231306][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6646.231306][ T74] ___sys_sendmsg+0xee/0x170 [ 6646.231306][ T74] __sys_sendmsg+0xcd/0x170 [ 6646.231306][ T74] do_syscall_64+0xc6/0x1e0 [ 6646.231306][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6646.231306][ T74] [ 6646.233182][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6646.233182][ T74] netdev_get_by_index+0x5e/0x80 [ 6646.233182][ T74] fib6_nh_init+0x3d8/0x1580 [ 6646.233182][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6646.233182][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6646.233182][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6646.233182][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6646.233182][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6646.233182][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6646.233182][ T74] addrconf_dad_begin+0x310/0x670 [ 6646.233182][ T74] addrconf_dad_work+0x10b/0xab0 [ 6646.233182][ T74] process_one_work+0x84d/0x18a0 [ 6646.233182][ T74] worker_thread+0x587/0xd30 [ 6646.233182][ T74] kthread+0x28a/0x350 [ 6646.233182][ T74] ret_from_fork+0x31/0x70 [ 6646.233182][ T74] ret_from_fork_asm+0x1a/0x30 [ 6646.233182][ T74] [ 6646.235088][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6646.235088][ T74] netdev_get_by_index+0x5e/0x80 [ 6646.235088][ T74] fib6_nh_init+0x3d8/0x1580 [ 6646.235088][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6646.235088][ T74] ip6_route_add+0x1c/0x140 [ 6646.235088][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6646.235088][ T74] inet6_addr_add+0x4f8/0xa40 [ 6646.235088][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6646.235088][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6646.235088][ T74] netlink_rcv_skb+0x130/0x360 [ 6646.235088][ T74] netlink_unicast+0x449/0x710 [ 6646.235088][ T74] netlink_sendmsg+0x723/0xbe0 [ 6646.235088][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6646.235088][ T74] ___sys_sendmsg+0xee/0x170 [ 6646.235088][ T74] __sys_sendmsg+0xcd/0x170 [ 6646.235088][ T74] do_syscall_64+0xc6/0x1e0 [ 6646.235088][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6646.235088][ T74] [ 6646.237093][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6646.237093][ T74] netdev_get_by_index+0x5e/0x80 [ 6646.237093][ T74] fib6_nh_init+0x3d8/0x1580 [ 6646.237093][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6646.237093][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6646.237093][ T74] ipv6_add_addr+0x411/0x2000 [ 6646.237093][ T74] inet6_addr_add+0x30e/0xa40 [ 6646.237093][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6646.237093][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6646.237093][ T74] netlink_rcv_skb+0x130/0x360 [ 6646.237093][ T74] netlink_unicast+0x449/0x710 [ 6646.237093][ T74] netlink_sendmsg+0x723/0xbe0 [ 6646.237093][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6646.237093][ T74] ___sys_sendmsg+0xee/0x170 [ 6646.237093][ T74] __sys_sendmsg+0xcd/0x170 [ 6646.237093][ T74] do_syscall_64+0xc6/0x1e0 [ 6646.237093][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6646.237093][ T74] [ 6646.239095][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6646.239095][ T74] netdev_get_by_index+0x5e/0x80 [ 6646.239095][ T74] fib6_nh_init+0x3d8/0x1580 [ 6646.239095][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6646.239095][ T74] ip6_route_add+0x1c/0x140 [ 6646.239095][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6646.239095][ T74] addrconf_add_dev+0xe2/0x170 [ 6646.239095][ T74] inet6_addr_add+0x12f/0xa40 [ 6646.239095][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6646.239095][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6646.239095][ T74] netlink_rcv_skb+0x130/0x360 [ 6646.239095][ T74] netlink_unicast+0x449/0x710 [ 6646.239095][ T74] netlink_sendmsg+0x723/0xbe0 [ 6646.239095][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6646.239095][ T74] ___sys_sendmsg+0xee/0x170 [ 6646.239095][ T74] __sys_sendmsg+0xcd/0x170 [ 6646.239095][ T74] do_syscall_64+0xc6/0x1e0 [ 6646.239095][ T74] [ 6646.241068][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6646.241068][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6646.241068][ T74] ipv6_find_idev+0x102/0x170 [ 6646.241068][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6646.241068][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6646.241068][ T74] netlink_rcv_skb+0x130/0x360 [ 6646.241068][ T74] netlink_unicast+0x449/0x710 [ 6646.241068][ T74] netlink_sendmsg+0x723/0xbe0 [ 6646.241068][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6646.241068][ T74] ___sys_sendmsg+0xee/0x170 [ 6646.241068][ T74] __sys_sendmsg+0xcd/0x170 [ 6646.241068][ T74] do_syscall_64+0xc6/0x1e0 [ 6646.241068][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6646.241068][ T74] [ 6646.242735][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6646.242735][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6646.242735][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6646.242735][ T74] ipv6_find_idev+0x102/0x170 [ 6646.242735][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6646.242735][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6646.242735][ T74] netlink_rcv_skb+0x130/0x360 [ 6646.242735][ T74] netlink_unicast+0x449/0x710 [ 6646.242735][ T74] netlink_sendmsg+0x723/0xbe0 [ 6646.242735][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6646.242735][ T74] ___sys_sendmsg+0xee/0x170 [ 6646.242735][ T74] __sys_sendmsg+0xcd/0x170 [ 6646.242735][ T74] do_syscall_64+0xc6/0x1e0 [ 6646.242735][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6646.242735][ T74] [ 6646.244733][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6646.244982][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6646.244982][ T74] netdev_get_by_index+0x5e/0x80 [ 6646.244982][ T74] fib6_nh_init+0x3d8/0x1580 [ 6646.244982][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6646.244982][ T74] ip6_route_add+0x1c/0x140 [ 6646.244982][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6646.244982][ T74] inet6_addr_add+0x4f8/0xa40 [ 6646.244982][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6646.244982][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6646.244982][ T74] netlink_rcv_skb+0x130/0x360 [ 6646.244982][ T74] netlink_unicast+0x449/0x710 [ 6646.244982][ T74] netlink_sendmsg+0x723/0xbe0 [ 6646.244982][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6646.244982][ T74] ___sys_sendmsg+0xee/0x170 [ 6646.244982][ T74] __sys_sendmsg+0xcd/0x170 [ 6646.244982][ T74] do_syscall_64+0xc6/0x1e0 [ 6646.244982][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6646.244982][ T74] [ 6646.247225][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6646.247225][ T74] netdev_get_by_index+0x5e/0x80 [ 6646.247225][ T74] fib6_nh_init+0x3d8/0x1580 [ 6646.247225][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6646.247225][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6646.247225][ T74] ipv6_add_addr+0x411/0x2000 [ 6646.247225][ T74] inet6_addr_add+0x30e/0xa40 [ 6646.247225][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6646.247225][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6646.247225][ T74] netlink_rcv_skb+0x130/0x360 [ 6646.247225][ T74] netlink_unicast+0x449/0x710 [ 6646.247225][ T74] netlink_sendmsg+0x723/0xbe0 [ 6646.247225][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6646.247225][ T74] ___sys_sendmsg+0xee/0x170 [ 6646.247225][ T74] __sys_sendmsg+0xcd/0x170 [ 6646.247225][ T74] do_syscall_64+0xc6/0x1e0 [ 6646.247225][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6646.247225][ T74] [ 6646.249462][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6646.249462][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6646.249462][ T74] ipv6_find_idev+0x102/0x170 [ 6646.249462][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6646.249462][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6646.249462][ T74] netlink_rcv_skb+0x130/0x360 [ 6646.249462][ T74] netlink_unicast+0x449/0x710 [ 6646.249462][ T74] netlink_sendmsg+0x723/0xbe0 [ 6646.249462][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6646.249462][ T74] ___sys_sendmsg+0xee/0x170 [ 6646.249462][ T74] __sys_sendmsg+0xcd/0x170 [ 6646.249462][ T74] do_syscall_64+0xc6/0x1e0 [ 6646.249462][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6646.249462][ T74] [ 6646.251179][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6646.251179][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6646.251179][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6646.251179][ T74] ipv6_find_idev+0x102/0x170 [ 6646.251179][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6646.251179][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6646.251179][ T74] netlink_rcv_skb+0x130/0x360 [ 6646.251179][ T74] netlink_unicast+0x449/0x710 [ 6646.251179][ T74] netlink_sendmsg+0x723/0xbe0 [ 6646.251179][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6646.251179][ T74] ___sys_sendmsg+0xee/0x170 [ 6646.251179][ T74] __sys_sendmsg+0xcd/0x170 [ 6646.251179][ T74] do_syscall_64+0xc6/0x1e0 [ 6646.251179][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6646.251179][ T74] [ 6656.495873][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6656.496317][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6656.496317][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6656.496317][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6656.496317][ T74] fib6_nh_init+0xa22/0x1580 [ 6656.496317][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6656.496317][ T74] ip6_route_add+0x1c/0x140 [ 6656.496317][ T74] inet6_rtm_newroute+0x104/0x110 [ 6656.496317][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6656.496317][ T74] netlink_rcv_skb+0x130/0x360 [ 6656.496317][ T74] netlink_unicast+0x449/0x710 [ 6656.496317][ T74] netlink_sendmsg+0x723/0xbe0 [ 6656.496317][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6656.496317][ T74] ___sys_sendmsg+0xee/0x170 [ 6656.496317][ T74] __sys_sendmsg+0xcd/0x170 [ 6656.496317][ T74] do_syscall_64+0xc6/0x1e0 [ 6656.496317][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6656.496317][ T74] [ 6656.498257][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6656.498257][ T74] netdev_get_by_index+0x5e/0x80 [ 6656.498257][ T74] fib6_nh_init+0x3d8/0x1580 [ 6656.498257][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6656.498257][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6656.498257][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6656.498257][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6656.498257][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6656.498257][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6656.498257][ T74] addrconf_dad_begin+0x310/0x670 [ 6656.498257][ T74] addrconf_dad_work+0x10b/0xab0 [ 6656.498257][ T74] process_one_work+0x84d/0x18a0 [ 6656.498257][ T74] worker_thread+0x587/0xd30 [ 6656.498257][ T74] kthread+0x28a/0x350 [ 6656.498257][ T74] ret_from_fork+0x31/0x70 [ 6656.498257][ T74] ret_from_fork_asm+0x1a/0x30 [ 6656.498257][ T74] [ 6656.500213][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6656.500213][ T74] netdev_get_by_index+0x5e/0x80 [ 6656.500213][ T74] fib6_nh_init+0x3d8/0x1580 [ 6656.500213][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6656.500213][ T74] ip6_route_add+0x1c/0x140 [ 6656.500213][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6656.500213][ T74] inet6_addr_add+0x4f8/0xa40 [ 6656.500213][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6656.500213][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6656.500213][ T74] netlink_rcv_skb+0x130/0x360 [ 6656.500213][ T74] netlink_unicast+0x449/0x710 [ 6656.500213][ T74] netlink_sendmsg+0x723/0xbe0 [ 6656.500213][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6656.500213][ T74] ___sys_sendmsg+0xee/0x170 [ 6656.500213][ T74] __sys_sendmsg+0xcd/0x170 [ 6656.500213][ T74] do_syscall_64+0xc6/0x1e0 [ 6656.500213][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6656.500213][ T74] [ 6656.502245][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6656.502245][ T74] netdev_get_by_index+0x5e/0x80 [ 6656.502245][ T74] fib6_nh_init+0x3d8/0x1580 [ 6656.502245][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6656.502245][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6656.502245][ T74] ipv6_add_addr+0x411/0x2000 [ 6656.502245][ T74] inet6_addr_add+0x30e/0xa40 [ 6656.502245][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6656.502245][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6656.502245][ T74] netlink_rcv_skb+0x130/0x360 [ 6656.502245][ T74] netlink_unicast+0x449/0x710 [ 6656.502245][ T74] netlink_sendmsg+0x723/0xbe0 [ 6656.502245][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6656.502245][ T74] ___sys_sendmsg+0xee/0x170 [ 6656.502245][ T74] __sys_sendmsg+0xcd/0x170 [ 6656.502245][ T74] do_syscall_64+0xc6/0x1e0 [ 6656.502245][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6656.502245][ T74] [ 6656.504279][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6656.504279][ T74] netdev_get_by_index+0x5e/0x80 [ 6656.504279][ T74] fib6_nh_init+0x3d8/0x1580 [ 6656.504279][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6656.504279][ T74] ip6_route_add+0x1c/0x140 [ 6656.504279][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6656.504279][ T74] addrconf_add_dev+0xe2/0x170 [ 6656.504279][ T74] inet6_addr_add+0x12f/0xa40 [ 6656.504279][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6656.504279][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6656.504279][ T74] netlink_rcv_skb+0x130/0x360 [ 6656.504279][ T74] netlink_unicast+0x449/0x710 [ 6656.504279][ T74] netlink_sendmsg+0x723/0xbe0 [ 6656.504279][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6656.504279][ T74] ___sys_sendmsg+0xee/0x170 [ 6656.504279][ T74] __sys_sendmsg+0xcd/0x170 [ 6656.504279][ T74] do_syscall_64+0xc6/0x1e0 [ 6656.504279][ T74] [ 6656.506272][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6656.506272][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6656.506272][ T74] ipv6_find_idev+0x102/0x170 [ 6656.506272][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6656.506272][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6656.506272][ T74] netlink_rcv_skb+0x130/0x360 [ 6656.506272][ T74] netlink_unicast+0x449/0x710 [ 6656.506272][ T74] netlink_sendmsg+0x723/0xbe0 [ 6656.506272][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6656.506272][ T74] ___sys_sendmsg+0xee/0x170 [ 6656.506272][ T74] __sys_sendmsg+0xcd/0x170 [ 6656.506272][ T74] do_syscall_64+0xc6/0x1e0 [ 6656.506272][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6656.506272][ T74] [ 6656.507831][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6656.507831][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6656.507831][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6656.507831][ T74] ipv6_find_idev+0x102/0x170 [ 6656.507831][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6656.507831][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6656.507831][ T74] netlink_rcv_skb+0x130/0x360 [ 6656.507831][ T74] netlink_unicast+0x449/0x710 [ 6656.507831][ T74] netlink_sendmsg+0x723/0xbe0 [ 6656.507831][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6656.507831][ T74] ___sys_sendmsg+0xee/0x170 [ 6656.507831][ T74] __sys_sendmsg+0xcd/0x170 [ 6656.507831][ T74] do_syscall_64+0xc6/0x1e0 [ 6656.507831][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6656.507831][ T74] [ 6656.509549][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6656.509831][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6656.509831][ T74] dst_init+0x84/0x4a0 [ 6656.509831][ T74] dst_alloc+0x97/0x150 [ 6656.509831][ T74] ip6_dst_alloc+0x23/0x90 [ 6656.509831][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6656.509831][ T74] ip6_pol_route+0x56f/0x840 [ 6656.509831][ T74] fib6_rule_lookup+0x456/0x630 [ 6656.509831][ T74] ip6_route_input+0x59c/0xa50 [ 6656.509831][ T74] ipv6_rcv+0x397/0x810 [ 6656.509831][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6656.509831][ T74] process_backlog+0x101/0x620 [ 6656.509831][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6656.509831][ T74] net_rx_action+0x495/0xbe0 [ 6656.509831][ T74] __do_softirq+0x1b5/0x7f6 [ 6656.509831][ T74] [ 6656.511491][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6656.511491][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6656.511491][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6656.511491][ T74] fib6_nh_init+0xa22/0x1580 [ 6656.511491][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6656.511491][ T74] ip6_route_add+0x1c/0x140 [ 6656.511491][ T74] inet6_rtm_newroute+0x104/0x110 [ 6656.511491][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6656.511491][ T74] netlink_rcv_skb+0x130/0x360 [ 6656.511491][ T74] netlink_unicast+0x449/0x710 [ 6656.511491][ T74] netlink_sendmsg+0x723/0xbe0 [ 6656.511491][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6656.511491][ T74] ___sys_sendmsg+0xee/0x170 [ 6656.511491][ T74] __sys_sendmsg+0xcd/0x170 [ 6656.511491][ T74] do_syscall_64+0xc6/0x1e0 [ 6656.511491][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6656.511491][ T74] [ 6656.513408][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6656.513408][ T74] netdev_get_by_index+0x5e/0x80 [ 6656.513408][ T74] fib6_nh_init+0x3d8/0x1580 [ 6656.513408][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6656.513408][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6656.513408][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6656.513408][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6656.513408][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6656.513408][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6656.513408][ T74] addrconf_dad_begin+0x310/0x670 [ 6656.513408][ T74] addrconf_dad_work+0x10b/0xab0 [ 6656.513408][ T74] process_one_work+0x84d/0x18a0 [ 6656.513408][ T74] worker_thread+0x587/0xd30 [ 6656.513408][ T74] kthread+0x28a/0x350 [ 6656.513408][ T74] ret_from_fork+0x31/0x70 [ 6656.513408][ T74] ret_from_fork_asm+0x1a/0x30 [ 6656.513408][ T74] [ 6656.515340][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6656.515340][ T74] netdev_get_by_index+0x5e/0x80 [ 6656.515340][ T74] fib6_nh_init+0x3d8/0x1580 [ 6656.515340][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6656.515340][ T74] ip6_route_add+0x1c/0x140 [ 6656.515340][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6656.515340][ T74] inet6_addr_add+0x4f8/0xa40 [ 6656.515340][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6656.515340][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6656.515340][ T74] netlink_rcv_skb+0x130/0x360 [ 6656.515340][ T74] netlink_unicast+0x449/0x710 [ 6656.515340][ T74] netlink_sendmsg+0x723/0xbe0 [ 6656.515340][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6656.515340][ T74] ___sys_sendmsg+0xee/0x170 [ 6656.515340][ T74] __sys_sendmsg+0xcd/0x170 [ 6656.515340][ T74] do_syscall_64+0xc6/0x1e0 [ 6656.515340][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6656.515340][ T74] [ 6656.517367][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6656.517367][ T74] netdev_get_by_index+0x5e/0x80 [ 6656.517367][ T74] fib6_nh_init+0x3d8/0x1580 [ 6656.517367][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6656.517367][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6656.517367][ T74] ipv6_add_addr+0x411/0x2000 [ 6656.517367][ T74] inet6_addr_add+0x30e/0xa40 [ 6656.517367][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6656.517367][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6656.517367][ T74] netlink_rcv_skb+0x130/0x360 [ 6656.517367][ T74] netlink_unicast+0x449/0x710 [ 6656.517367][ T74] netlink_sendmsg+0x723/0xbe0 [ 6656.517367][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6656.517367][ T74] ___sys_sendmsg+0xee/0x170 [ 6656.517367][ T74] __sys_sendmsg+0xcd/0x170 [ 6656.517367][ T74] do_syscall_64+0xc6/0x1e0 [ 6656.517367][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6656.517367][ T74] [ 6656.519393][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6656.519393][ T74] netdev_get_by_index+0x5e/0x80 [ 6656.519393][ T74] fib6_nh_init+0x3d8/0x1580 [ 6656.519393][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6656.519393][ T74] ip6_route_add+0x1c/0x140 [ 6656.519393][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6656.519393][ T74] addrconf_add_dev+0xe2/0x170 [ 6656.519393][ T74] inet6_addr_add+0x12f/0xa40 [ 6656.519393][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6656.519393][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6656.519393][ T74] netlink_rcv_skb+0x130/0x360 [ 6656.519393][ T74] netlink_unicast+0x449/0x710 [ 6656.519393][ T74] netlink_sendmsg+0x723/0xbe0 [ 6656.519393][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6656.519393][ T74] ___sys_sendmsg+0xee/0x170 [ 6656.519393][ T74] __sys_sendmsg+0xcd/0x170 [ 6656.519393][ T74] do_syscall_64+0xc6/0x1e0 [ 6656.519393][ T74] [ 6656.521383][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6656.521383][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6656.521383][ T74] ipv6_find_idev+0x102/0x170 [ 6656.521383][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6656.521383][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6656.521383][ T74] netlink_rcv_skb+0x130/0x360 [ 6656.521383][ T74] netlink_unicast+0x449/0x710 [ 6656.521383][ T74] netlink_sendmsg+0x723/0xbe0 [ 6656.521383][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6656.521383][ T74] ___sys_sendmsg+0xee/0x170 [ 6656.521383][ T74] __sys_sendmsg+0xcd/0x170 [ 6656.521383][ T74] do_syscall_64+0xc6/0x1e0 [ 6656.521383][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6656.521383][ T74] [ 6656.523075][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6656.523075][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6656.523075][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6656.523075][ T74] ipv6_find_idev+0x102/0x170 [ 6656.523075][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6656.523075][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6656.523075][ T74] netlink_rcv_skb+0x130/0x360 [ 6656.523075][ T74] netlink_unicast+0x449/0x710 [ 6656.523075][ T74] netlink_sendmsg+0x723/0xbe0 [ 6656.523075][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6656.523075][ T74] ___sys_sendmsg+0xee/0x170 [ 6656.523075][ T74] __sys_sendmsg+0xcd/0x170 [ 6656.523075][ T74] do_syscall_64+0xc6/0x1e0 [ 6656.523075][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6656.523075][ T74] [ 6656.524928][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6656.525181][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6656.525181][ T74] netdev_get_by_index+0x5e/0x80 [ 6656.525181][ T74] fib6_nh_init+0x3d8/0x1580 [ 6656.525181][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6656.525181][ T74] ip6_route_add+0x1c/0x140 [ 6656.525181][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6656.525181][ T74] inet6_addr_add+0x4f8/0xa40 [ 6656.525181][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6656.525181][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6656.525181][ T74] netlink_rcv_skb+0x130/0x360 [ 6656.525181][ T74] netlink_unicast+0x449/0x710 [ 6656.525181][ T74] netlink_sendmsg+0x723/0xbe0 [ 6656.525181][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6656.525181][ T74] ___sys_sendmsg+0xee/0x170 [ 6656.525181][ T74] __sys_sendmsg+0xcd/0x170 [ 6656.525181][ T74] do_syscall_64+0xc6/0x1e0 [ 6656.525181][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6656.525181][ T74] [ 6656.527336][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6656.527336][ T74] netdev_get_by_index+0x5e/0x80 [ 6656.527336][ T74] fib6_nh_init+0x3d8/0x1580 [ 6656.527336][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6656.527336][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6656.527336][ T74] ipv6_add_addr+0x411/0x2000 [ 6656.527336][ T74] inet6_addr_add+0x30e/0xa40 [ 6656.527336][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6656.527336][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6656.527336][ T74] netlink_rcv_skb+0x130/0x360 [ 6656.527336][ T74] netlink_unicast+0x449/0x710 [ 6656.527336][ T74] netlink_sendmsg+0x723/0xbe0 [ 6656.527336][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6656.527336][ T74] ___sys_sendmsg+0xee/0x170 [ 6656.527336][ T74] __sys_sendmsg+0xcd/0x170 [ 6656.527336][ T74] do_syscall_64+0xc6/0x1e0 [ 6656.527336][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6656.527336][ T74] [ 6656.529490][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6656.529490][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6656.529490][ T74] ipv6_find_idev+0x102/0x170 [ 6656.529490][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6656.529490][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6656.529490][ T74] netlink_rcv_skb+0x130/0x360 [ 6656.529490][ T74] netlink_unicast+0x449/0x710 [ 6656.529490][ T74] netlink_sendmsg+0x723/0xbe0 [ 6656.529490][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6656.529490][ T74] ___sys_sendmsg+0xee/0x170 [ 6656.529490][ T74] __sys_sendmsg+0xcd/0x170 [ 6656.529490][ T74] do_syscall_64+0xc6/0x1e0 [ 6656.529490][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6656.529490][ T74] [ 6656.531114][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6656.531114][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6656.531114][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6656.531114][ T74] ipv6_find_idev+0x102/0x170 [ 6656.531114][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6656.531114][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6656.531114][ T74] netlink_rcv_skb+0x130/0x360 [ 6656.531114][ T74] netlink_unicast+0x449/0x710 [ 6656.531114][ T74] netlink_sendmsg+0x723/0xbe0 [ 6656.531114][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6656.531114][ T74] ___sys_sendmsg+0xee/0x170 [ 6656.531114][ T74] __sys_sendmsg+0xcd/0x170 [ 6656.531114][ T74] do_syscall_64+0xc6/0x1e0 [ 6656.531114][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6656.531114][ T74] [ 6666.759955][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6666.760364][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6666.760364][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6666.760364][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6666.760364][ T74] fib6_nh_init+0xa22/0x1580 [ 6666.760364][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6666.760364][ T74] ip6_route_add+0x1c/0x140 [ 6666.760364][ T74] inet6_rtm_newroute+0x104/0x110 [ 6666.760364][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6666.760364][ T74] netlink_rcv_skb+0x130/0x360 [ 6666.760364][ T74] netlink_unicast+0x449/0x710 [ 6666.760364][ T74] netlink_sendmsg+0x723/0xbe0 [ 6666.760364][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6666.760364][ T74] ___sys_sendmsg+0xee/0x170 [ 6666.760364][ T74] __sys_sendmsg+0xcd/0x170 [ 6666.760364][ T74] do_syscall_64+0xc6/0x1e0 [ 6666.760364][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6666.760364][ T74] [ 6666.762256][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6666.762256][ T74] netdev_get_by_index+0x5e/0x80 [ 6666.762256][ T74] fib6_nh_init+0x3d8/0x1580 [ 6666.762256][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6666.762256][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6666.762256][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6666.762256][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6666.762256][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6666.762256][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6666.762256][ T74] addrconf_dad_begin+0x310/0x670 [ 6666.762256][ T74] addrconf_dad_work+0x10b/0xab0 [ 6666.762256][ T74] process_one_work+0x84d/0x18a0 [ 6666.762256][ T74] worker_thread+0x587/0xd30 [ 6666.762256][ T74] kthread+0x28a/0x350 [ 6666.762256][ T74] ret_from_fork+0x31/0x70 [ 6666.762256][ T74] ret_from_fork_asm+0x1a/0x30 [ 6666.762256][ T74] [ 6666.764310][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6666.764310][ T74] netdev_get_by_index+0x5e/0x80 [ 6666.764310][ T74] fib6_nh_init+0x3d8/0x1580 [ 6666.764310][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6666.764310][ T74] ip6_route_add+0x1c/0x140 [ 6666.764310][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6666.764310][ T74] inet6_addr_add+0x4f8/0xa40 [ 6666.764310][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6666.764310][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6666.764310][ T74] netlink_rcv_skb+0x130/0x360 [ 6666.764310][ T74] netlink_unicast+0x449/0x710 [ 6666.764310][ T74] netlink_sendmsg+0x723/0xbe0 [ 6666.764310][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6666.764310][ T74] ___sys_sendmsg+0xee/0x170 [ 6666.764310][ T74] __sys_sendmsg+0xcd/0x170 [ 6666.764310][ T74] do_syscall_64+0xc6/0x1e0 [ 6666.764310][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6666.764310][ T74] [ 6666.766299][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6666.766299][ T74] netdev_get_by_index+0x5e/0x80 [ 6666.766299][ T74] fib6_nh_init+0x3d8/0x1580 [ 6666.766299][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6666.766299][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6666.766299][ T74] ipv6_add_addr+0x411/0x2000 [ 6666.766299][ T74] inet6_addr_add+0x30e/0xa40 [ 6666.766299][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6666.766299][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6666.766299][ T74] netlink_rcv_skb+0x130/0x360 [ 6666.766299][ T74] netlink_unicast+0x449/0x710 [ 6666.766299][ T74] netlink_sendmsg+0x723/0xbe0 [ 6666.766299][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6666.766299][ T74] ___sys_sendmsg+0xee/0x170 [ 6666.766299][ T74] __sys_sendmsg+0xcd/0x170 [ 6666.766299][ T74] do_syscall_64+0xc6/0x1e0 [ 6666.766299][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6666.766299][ T74] [ 6666.768290][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6666.768290][ T74] netdev_get_by_index+0x5e/0x80 [ 6666.768290][ T74] fib6_nh_init+0x3d8/0x1580 [ 6666.768290][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6666.768290][ T74] ip6_route_add+0x1c/0x140 [ 6666.768290][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6666.768290][ T74] addrconf_add_dev+0xe2/0x170 [ 6666.768290][ T74] inet6_addr_add+0x12f/0xa40 [ 6666.768290][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6666.768290][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6666.768290][ T74] netlink_rcv_skb+0x130/0x360 [ 6666.768290][ T74] netlink_unicast+0x449/0x710 [ 6666.768290][ T74] netlink_sendmsg+0x723/0xbe0 [ 6666.768290][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6666.768290][ T74] ___sys_sendmsg+0xee/0x170 [ 6666.768290][ T74] __sys_sendmsg+0xcd/0x170 [ 6666.768290][ T74] do_syscall_64+0xc6/0x1e0 [ 6666.768290][ T74] [ 6666.770235][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6666.770235][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6666.770235][ T74] ipv6_find_idev+0x102/0x170 [ 6666.770235][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6666.770235][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6666.770235][ T74] netlink_rcv_skb+0x130/0x360 [ 6666.770235][ T74] netlink_unicast+0x449/0x710 [ 6666.770235][ T74] netlink_sendmsg+0x723/0xbe0 [ 6666.770235][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6666.770235][ T74] ___sys_sendmsg+0xee/0x170 [ 6666.770235][ T74] __sys_sendmsg+0xcd/0x170 [ 6666.770235][ T74] do_syscall_64+0xc6/0x1e0 [ 6666.770235][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6666.770235][ T74] [ 6666.771766][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6666.771766][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6666.771766][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6666.771766][ T74] ipv6_find_idev+0x102/0x170 [ 6666.771766][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6666.771766][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6666.771766][ T74] netlink_rcv_skb+0x130/0x360 [ 6666.771766][ T74] netlink_unicast+0x449/0x710 [ 6666.771766][ T74] netlink_sendmsg+0x723/0xbe0 [ 6666.771766][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6666.771766][ T74] ___sys_sendmsg+0xee/0x170 [ 6666.771766][ T74] __sys_sendmsg+0xcd/0x170 [ 6666.771766][ T74] do_syscall_64+0xc6/0x1e0 [ 6666.771766][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6666.771766][ T74] [ 6666.773444][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6666.773724][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6666.773724][ T74] dst_init+0x84/0x4a0 [ 6666.773724][ T74] dst_alloc+0x97/0x150 [ 6666.773724][ T74] ip6_dst_alloc+0x23/0x90 [ 6666.773724][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6666.773724][ T74] ip6_pol_route+0x56f/0x840 [ 6666.773724][ T74] fib6_rule_lookup+0x456/0x630 [ 6666.773724][ T74] ip6_route_input+0x59c/0xa50 [ 6666.773724][ T74] ipv6_rcv+0x397/0x810 [ 6666.773724][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6666.773724][ T74] process_backlog+0x101/0x620 [ 6666.773724][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6666.773724][ T74] net_rx_action+0x495/0xbe0 [ 6666.773724][ T74] __do_softirq+0x1b5/0x7f6 [ 6666.773724][ T74] [ 6666.775344][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6666.775344][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6666.775344][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6666.775344][ T74] fib6_nh_init+0xa22/0x1580 [ 6666.775344][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6666.775344][ T74] ip6_route_add+0x1c/0x140 [ 6666.775344][ T74] inet6_rtm_newroute+0x104/0x110 [ 6666.775344][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6666.775344][ T74] netlink_rcv_skb+0x130/0x360 [ 6666.775344][ T74] netlink_unicast+0x449/0x710 [ 6666.775344][ T74] netlink_sendmsg+0x723/0xbe0 [ 6666.775344][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6666.775344][ T74] ___sys_sendmsg+0xee/0x170 [ 6666.775344][ T74] __sys_sendmsg+0xcd/0x170 [ 6666.775344][ T74] do_syscall_64+0xc6/0x1e0 [ 6666.775344][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6666.775344][ T74] [ 6666.777210][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6666.777210][ T74] netdev_get_by_index+0x5e/0x80 [ 6666.777210][ T74] fib6_nh_init+0x3d8/0x1580 [ 6666.777210][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6666.777210][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6666.777210][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6666.777210][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6666.777210][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6666.777210][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6666.777210][ T74] addrconf_dad_begin+0x310/0x670 [ 6666.777210][ T74] addrconf_dad_work+0x10b/0xab0 [ 6666.777210][ T74] process_one_work+0x84d/0x18a0 [ 6666.777210][ T74] worker_thread+0x587/0xd30 [ 6666.777210][ T74] kthread+0x28a/0x350 [ 6666.777210][ T74] ret_from_fork+0x31/0x70 [ 6666.777210][ T74] ret_from_fork_asm+0x1a/0x30 [ 6666.777210][ T74] [ 6666.779096][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6666.779096][ T74] netdev_get_by_index+0x5e/0x80 [ 6666.779096][ T74] fib6_nh_init+0x3d8/0x1580 [ 6666.779096][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6666.779096][ T74] ip6_route_add+0x1c/0x140 [ 6666.779096][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6666.779096][ T74] inet6_addr_add+0x4f8/0xa40 [ 6666.779096][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6666.779096][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6666.779096][ T74] netlink_rcv_skb+0x130/0x360 [ 6666.779096][ T74] netlink_unicast+0x449/0x710 [ 6666.779096][ T74] netlink_sendmsg+0x723/0xbe0 [ 6666.779096][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6666.779096][ T74] ___sys_sendmsg+0xee/0x170 [ 6666.779096][ T74] __sys_sendmsg+0xcd/0x170 [ 6666.779096][ T74] do_syscall_64+0xc6/0x1e0 [ 6666.779096][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6666.779096][ T74] [ 6666.781083][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6666.781083][ T74] netdev_get_by_index+0x5e/0x80 [ 6666.781083][ T74] fib6_nh_init+0x3d8/0x1580 [ 6666.781083][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6666.781083][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6666.781083][ T74] ipv6_add_addr+0x411/0x2000 [ 6666.781083][ T74] inet6_addr_add+0x30e/0xa40 [ 6666.781083][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6666.781083][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6666.781083][ T74] netlink_rcv_skb+0x130/0x360 [ 6666.781083][ T74] netlink_unicast+0x449/0x710 [ 6666.781083][ T74] netlink_sendmsg+0x723/0xbe0 [ 6666.781083][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6666.781083][ T74] ___sys_sendmsg+0xee/0x170 [ 6666.781083][ T74] __sys_sendmsg+0xcd/0x170 [ 6666.781083][ T74] do_syscall_64+0xc6/0x1e0 [ 6666.781083][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6666.781083][ T74] [ 6666.783065][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6666.783065][ T74] netdev_get_by_index+0x5e/0x80 [ 6666.783065][ T74] fib6_nh_init+0x3d8/0x1580 [ 6666.783065][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6666.783065][ T74] ip6_route_add+0x1c/0x140 [ 6666.783065][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6666.783065][ T74] addrconf_add_dev+0xe2/0x170 [ 6666.783065][ T74] inet6_addr_add+0x12f/0xa40 [ 6666.783065][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6666.783065][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6666.783065][ T74] netlink_rcv_skb+0x130/0x360 [ 6666.783065][ T74] netlink_unicast+0x449/0x710 [ 6666.783065][ T74] netlink_sendmsg+0x723/0xbe0 [ 6666.783065][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6666.783065][ T74] ___sys_sendmsg+0xee/0x170 [ 6666.783065][ T74] __sys_sendmsg+0xcd/0x170 [ 6666.783065][ T74] do_syscall_64+0xc6/0x1e0 [ 6666.783065][ T74] [ 6666.785008][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6666.785008][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6666.785008][ T74] ipv6_find_idev+0x102/0x170 [ 6666.785008][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6666.785008][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6666.785008][ T74] netlink_rcv_skb+0x130/0x360 [ 6666.785008][ T74] netlink_unicast+0x449/0x710 [ 6666.785008][ T74] netlink_sendmsg+0x723/0xbe0 [ 6666.785008][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6666.785008][ T74] ___sys_sendmsg+0xee/0x170 [ 6666.785008][ T74] __sys_sendmsg+0xcd/0x170 [ 6666.785008][ T74] do_syscall_64+0xc6/0x1e0 [ 6666.785008][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6666.785008][ T74] [ 6666.786597][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6666.786597][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6666.786597][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6666.786597][ T74] ipv6_find_idev+0x102/0x170 [ 6666.786597][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6666.786597][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6666.786597][ T74] netlink_rcv_skb+0x130/0x360 [ 6666.786597][ T74] netlink_unicast+0x449/0x710 [ 6666.786597][ T74] netlink_sendmsg+0x723/0xbe0 [ 6666.786597][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6666.786597][ T74] ___sys_sendmsg+0xee/0x170 [ 6666.786597][ T74] __sys_sendmsg+0xcd/0x170 [ 6666.786597][ T74] do_syscall_64+0xc6/0x1e0 [ 6666.786597][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6666.786597][ T74] [ 6666.788553][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6666.788801][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6666.788801][ T74] netdev_get_by_index+0x5e/0x80 [ 6666.788801][ T74] fib6_nh_init+0x3d8/0x1580 [ 6666.788801][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6666.788801][ T74] ip6_route_add+0x1c/0x140 [ 6666.788801][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6666.788801][ T74] inet6_addr_add+0x4f8/0xa40 [ 6666.788801][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6666.788801][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6666.788801][ T74] netlink_rcv_skb+0x130/0x360 [ 6666.788801][ T74] netlink_unicast+0x449/0x710 [ 6666.788801][ T74] netlink_sendmsg+0x723/0xbe0 [ 6666.788801][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6666.788801][ T74] ___sys_sendmsg+0xee/0x170 [ 6666.788801][ T74] __sys_sendmsg+0xcd/0x170 [ 6666.788801][ T74] do_syscall_64+0xc6/0x1e0 [ 6666.788801][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6666.788801][ T74] [ 6666.791016][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6666.791016][ T74] netdev_get_by_index+0x5e/0x80 [ 6666.791016][ T74] fib6_nh_init+0x3d8/0x1580 [ 6666.791016][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6666.791016][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6666.791016][ T74] ipv6_add_addr+0x411/0x2000 [ 6666.791016][ T74] inet6_addr_add+0x30e/0xa40 [ 6666.791016][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6666.791016][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6666.791016][ T74] netlink_rcv_skb+0x130/0x360 [ 6666.791016][ T74] netlink_unicast+0x449/0x710 [ 6666.791016][ T74] netlink_sendmsg+0x723/0xbe0 [ 6666.791016][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6666.791016][ T74] ___sys_sendmsg+0xee/0x170 [ 6666.791016][ T74] __sys_sendmsg+0xcd/0x170 [ 6666.791016][ T74] do_syscall_64+0xc6/0x1e0 [ 6666.791016][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6666.791016][ T74] [ 6666.793248][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6666.793248][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6666.793248][ T74] ipv6_find_idev+0x102/0x170 [ 6666.793248][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6666.793248][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6666.793248][ T74] netlink_rcv_skb+0x130/0x360 [ 6666.793248][ T74] netlink_unicast+0x449/0x710 [ 6666.793248][ T74] netlink_sendmsg+0x723/0xbe0 [ 6666.793248][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6666.793248][ T74] ___sys_sendmsg+0xee/0x170 [ 6666.793248][ T74] __sys_sendmsg+0xcd/0x170 [ 6666.793248][ T74] do_syscall_64+0xc6/0x1e0 [ 6666.793248][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6666.793248][ T74] [ 6666.794884][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6666.794884][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6666.794884][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6666.794884][ T74] ipv6_find_idev+0x102/0x170 [ 6666.794884][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6666.794884][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6666.794884][ T74] netlink_rcv_skb+0x130/0x360 [ 6666.794884][ T74] netlink_unicast+0x449/0x710 [ 6666.794884][ T74] netlink_sendmsg+0x723/0xbe0 [ 6666.794884][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6666.794884][ T74] ___sys_sendmsg+0xee/0x170 [ 6666.794884][ T74] __sys_sendmsg+0xcd/0x170 [ 6666.794884][ T74] do_syscall_64+0xc6/0x1e0 [ 6666.794884][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6666.794884][ T74] [ 6677.031949][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6677.032369][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6677.032369][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6677.032369][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6677.032369][ T74] fib6_nh_init+0xa22/0x1580 [ 6677.032369][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6677.032369][ T74] ip6_route_add+0x1c/0x140 [ 6677.032369][ T74] inet6_rtm_newroute+0x104/0x110 [ 6677.032369][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6677.032369][ T74] netlink_rcv_skb+0x130/0x360 [ 6677.032369][ T74] netlink_unicast+0x449/0x710 [ 6677.032369][ T74] netlink_sendmsg+0x723/0xbe0 [ 6677.032369][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6677.032369][ T74] ___sys_sendmsg+0xee/0x170 [ 6677.032369][ T74] __sys_sendmsg+0xcd/0x170 [ 6677.032369][ T74] do_syscall_64+0xc6/0x1e0 [ 6677.032369][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6677.032369][ T74] [ 6677.034261][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6677.034261][ T74] netdev_get_by_index+0x5e/0x80 [ 6677.034261][ T74] fib6_nh_init+0x3d8/0x1580 [ 6677.034261][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6677.034261][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6677.034261][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6677.034261][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6677.034261][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6677.034261][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6677.034261][ T74] addrconf_dad_begin+0x310/0x670 [ 6677.034261][ T74] addrconf_dad_work+0x10b/0xab0 [ 6677.034261][ T74] process_one_work+0x84d/0x18a0 [ 6677.034261][ T74] worker_thread+0x587/0xd30 [ 6677.034261][ T74] kthread+0x28a/0x350 [ 6677.034261][ T74] ret_from_fork+0x31/0x70 [ 6677.034261][ T74] ret_from_fork_asm+0x1a/0x30 [ 6677.034261][ T74] [ 6677.036164][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6677.036164][ T74] netdev_get_by_index+0x5e/0x80 [ 6677.036164][ T74] fib6_nh_init+0x3d8/0x1580 [ 6677.036164][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6677.036164][ T74] ip6_route_add+0x1c/0x140 [ 6677.036164][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6677.036164][ T74] inet6_addr_add+0x4f8/0xa40 [ 6677.036164][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6677.036164][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6677.036164][ T74] netlink_rcv_skb+0x130/0x360 [ 6677.036164][ T74] netlink_unicast+0x449/0x710 [ 6677.036164][ T74] netlink_sendmsg+0x723/0xbe0 [ 6677.036164][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6677.036164][ T74] ___sys_sendmsg+0xee/0x170 [ 6677.036164][ T74] __sys_sendmsg+0xcd/0x170 [ 6677.036164][ T74] do_syscall_64+0xc6/0x1e0 [ 6677.036164][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6677.036164][ T74] [ 6677.038177][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6677.038177][ T74] netdev_get_by_index+0x5e/0x80 [ 6677.038177][ T74] fib6_nh_init+0x3d8/0x1580 [ 6677.038177][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6677.038177][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6677.038177][ T74] ipv6_add_addr+0x411/0x2000 [ 6677.038177][ T74] inet6_addr_add+0x30e/0xa40 [ 6677.038177][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6677.038177][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6677.038177][ T74] netlink_rcv_skb+0x130/0x360 [ 6677.038177][ T74] netlink_unicast+0x449/0x710 [ 6677.038177][ T74] netlink_sendmsg+0x723/0xbe0 [ 6677.038177][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6677.038177][ T74] ___sys_sendmsg+0xee/0x170 [ 6677.038177][ T74] __sys_sendmsg+0xcd/0x170 [ 6677.038177][ T74] do_syscall_64+0xc6/0x1e0 [ 6677.038177][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6677.038177][ T74] [ 6677.040163][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6677.040163][ T74] netdev_get_by_index+0x5e/0x80 [ 6677.040163][ T74] fib6_nh_init+0x3d8/0x1580 [ 6677.040163][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6677.040163][ T74] ip6_route_add+0x1c/0x140 [ 6677.040163][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6677.040163][ T74] addrconf_add_dev+0xe2/0x170 [ 6677.040163][ T74] inet6_addr_add+0x12f/0xa40 [ 6677.040163][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6677.040163][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6677.040163][ T74] netlink_rcv_skb+0x130/0x360 [ 6677.040163][ T74] netlink_unicast+0x449/0x710 [ 6677.040163][ T74] netlink_sendmsg+0x723/0xbe0 [ 6677.040163][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6677.040163][ T74] ___sys_sendmsg+0xee/0x170 [ 6677.040163][ T74] __sys_sendmsg+0xcd/0x170 [ 6677.040163][ T74] do_syscall_64+0xc6/0x1e0 [ 6677.040163][ T74] [ 6677.042109][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6677.042109][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6677.042109][ T74] ipv6_find_idev+0x102/0x170 [ 6677.042109][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6677.042109][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6677.042109][ T74] netlink_rcv_skb+0x130/0x360 [ 6677.042109][ T74] netlink_unicast+0x449/0x710 [ 6677.042109][ T74] netlink_sendmsg+0x723/0xbe0 [ 6677.042109][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6677.042109][ T74] ___sys_sendmsg+0xee/0x170 [ 6677.042109][ T74] __sys_sendmsg+0xcd/0x170 [ 6677.042109][ T74] do_syscall_64+0xc6/0x1e0 [ 6677.042109][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6677.042109][ T74] [ 6677.043633][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6677.043633][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6677.043633][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6677.043633][ T74] ipv6_find_idev+0x102/0x170 [ 6677.043633][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6677.043633][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6677.043633][ T74] netlink_rcv_skb+0x130/0x360 [ 6677.043633][ T74] netlink_unicast+0x449/0x710 [ 6677.043633][ T74] netlink_sendmsg+0x723/0xbe0 [ 6677.043633][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6677.043633][ T74] ___sys_sendmsg+0xee/0x170 [ 6677.043633][ T74] __sys_sendmsg+0xcd/0x170 [ 6677.043633][ T74] do_syscall_64+0xc6/0x1e0 [ 6677.043633][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6677.043633][ T74] [ 6677.045319][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6677.045591][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6677.045591][ T74] dst_init+0x84/0x4a0 [ 6677.045591][ T74] dst_alloc+0x97/0x150 [ 6677.045591][ T74] ip6_dst_alloc+0x23/0x90 [ 6677.045591][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6677.045591][ T74] ip6_pol_route+0x56f/0x840 [ 6677.045591][ T74] fib6_rule_lookup+0x456/0x630 [ 6677.045591][ T74] ip6_route_input+0x59c/0xa50 [ 6677.045591][ T74] ipv6_rcv+0x397/0x810 [ 6677.045591][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6677.045591][ T74] process_backlog+0x101/0x620 [ 6677.045591][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6677.045591][ T74] net_rx_action+0x495/0xbe0 [ 6677.045591][ T74] __do_softirq+0x1b5/0x7f6 [ 6677.045591][ T74] [ 6677.047227][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6677.047227][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6677.047227][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6677.047227][ T74] fib6_nh_init+0xa22/0x1580 [ 6677.047227][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6677.047227][ T74] ip6_route_add+0x1c/0x140 [ 6677.047227][ T74] inet6_rtm_newroute+0x104/0x110 [ 6677.047227][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6677.047227][ T74] netlink_rcv_skb+0x130/0x360 [ 6677.047227][ T74] netlink_unicast+0x449/0x710 [ 6677.047227][ T74] netlink_sendmsg+0x723/0xbe0 [ 6677.047227][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6677.047227][ T74] ___sys_sendmsg+0xee/0x170 [ 6677.047227][ T74] __sys_sendmsg+0xcd/0x170 [ 6677.047227][ T74] do_syscall_64+0xc6/0x1e0 [ 6677.047227][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6677.047227][ T74] [ 6677.049088][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6677.049088][ T74] netdev_get_by_index+0x5e/0x80 [ 6677.049088][ T74] fib6_nh_init+0x3d8/0x1580 [ 6677.049088][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6677.049088][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6677.049088][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6677.049088][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6677.049088][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6677.049088][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6677.049088][ T74] addrconf_dad_begin+0x310/0x670 [ 6677.049088][ T74] addrconf_dad_work+0x10b/0xab0 [ 6677.049088][ T74] process_one_work+0x84d/0x18a0 [ 6677.049088][ T74] worker_thread+0x587/0xd30 [ 6677.049088][ T74] kthread+0x28a/0x350 [ 6677.049088][ T74] ret_from_fork+0x31/0x70 [ 6677.049088][ T74] ret_from_fork_asm+0x1a/0x30 [ 6677.049088][ T74] [ 6677.050991][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6677.050991][ T74] netdev_get_by_index+0x5e/0x80 [ 6677.050991][ T74] fib6_nh_init+0x3d8/0x1580 [ 6677.050991][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6677.050991][ T74] ip6_route_add+0x1c/0x140 [ 6677.050991][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6677.050991][ T74] inet6_addr_add+0x4f8/0xa40 [ 6677.050991][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6677.050991][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6677.050991][ T74] netlink_rcv_skb+0x130/0x360 [ 6677.050991][ T74] netlink_unicast+0x449/0x710 [ 6677.050991][ T74] netlink_sendmsg+0x723/0xbe0 [ 6677.050991][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6677.050991][ T74] ___sys_sendmsg+0xee/0x170 [ 6677.050991][ T74] __sys_sendmsg+0xcd/0x170 [ 6677.050991][ T74] do_syscall_64+0xc6/0x1e0 [ 6677.050991][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6677.050991][ T74] [ 6677.052975][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6677.052975][ T74] netdev_get_by_index+0x5e/0x80 [ 6677.052975][ T74] fib6_nh_init+0x3d8/0x1580 [ 6677.052975][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6677.052975][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6677.052975][ T74] ipv6_add_addr+0x411/0x2000 [ 6677.052975][ T74] inet6_addr_add+0x30e/0xa40 [ 6677.052975][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6677.052975][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6677.052975][ T74] netlink_rcv_skb+0x130/0x360 [ 6677.052975][ T74] netlink_unicast+0x449/0x710 [ 6677.052975][ T74] netlink_sendmsg+0x723/0xbe0 [ 6677.052975][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6677.052975][ T74] ___sys_sendmsg+0xee/0x170 [ 6677.052975][ T74] __sys_sendmsg+0xcd/0x170 [ 6677.052975][ T74] do_syscall_64+0xc6/0x1e0 [ 6677.052975][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6677.052975][ T74] [ 6677.054960][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6677.054960][ T74] netdev_get_by_index+0x5e/0x80 [ 6677.054960][ T74] fib6_nh_init+0x3d8/0x1580 [ 6677.054960][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6677.054960][ T74] ip6_route_add+0x1c/0x140 [ 6677.054960][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6677.054960][ T74] addrconf_add_dev+0xe2/0x170 [ 6677.054960][ T74] inet6_addr_add+0x12f/0xa40 [ 6677.054960][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6677.054960][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6677.054960][ T74] netlink_rcv_skb+0x130/0x360 [ 6677.054960][ T74] netlink_unicast+0x449/0x710 [ 6677.054960][ T74] netlink_sendmsg+0x723/0xbe0 [ 6677.054960][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6677.054960][ T74] ___sys_sendmsg+0xee/0x170 [ 6677.054960][ T74] __sys_sendmsg+0xcd/0x170 [ 6677.054960][ T74] do_syscall_64+0xc6/0x1e0 [ 6677.054960][ T74] [ 6677.056906][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6677.056906][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6677.056906][ T74] ipv6_find_idev+0x102/0x170 [ 6677.056906][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6677.056906][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6677.056906][ T74] netlink_rcv_skb+0x130/0x360 [ 6677.056906][ T74] netlink_unicast+0x449/0x710 [ 6677.056906][ T74] netlink_sendmsg+0x723/0xbe0 [ 6677.056906][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6677.056906][ T74] ___sys_sendmsg+0xee/0x170 [ 6677.056906][ T74] __sys_sendmsg+0xcd/0x170 [ 6677.056906][ T74] do_syscall_64+0xc6/0x1e0 [ 6677.056906][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6677.056906][ T74] [ 6677.058561][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6677.058561][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6677.058561][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6677.058561][ T74] ipv6_find_idev+0x102/0x170 [ 6677.058561][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6677.058561][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6677.058561][ T74] netlink_rcv_skb+0x130/0x360 [ 6677.058561][ T74] netlink_unicast+0x449/0x710 [ 6677.058561][ T74] netlink_sendmsg+0x723/0xbe0 [ 6677.058561][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6677.058561][ T74] ___sys_sendmsg+0xee/0x170 [ 6677.058561][ T74] __sys_sendmsg+0xcd/0x170 [ 6677.058561][ T74] do_syscall_64+0xc6/0x1e0 [ 6677.058561][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6677.058561][ T74] [ 6677.060470][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6677.060707][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6677.060707][ T74] netdev_get_by_index+0x5e/0x80 [ 6677.060707][ T74] fib6_nh_init+0x3d8/0x1580 [ 6677.060707][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6677.060707][ T74] ip6_route_add+0x1c/0x140 [ 6677.060707][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6677.060707][ T74] inet6_addr_add+0x4f8/0xa40 [ 6677.060707][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6677.060707][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6677.060707][ T74] netlink_rcv_skb+0x130/0x360 [ 6677.060707][ T74] netlink_unicast+0x449/0x710 [ 6677.060707][ T74] netlink_sendmsg+0x723/0xbe0 [ 6677.060707][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6677.060707][ T74] ___sys_sendmsg+0xee/0x170 [ 6677.060707][ T74] __sys_sendmsg+0xcd/0x170 [ 6677.060707][ T74] do_syscall_64+0xc6/0x1e0 [ 6677.060707][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6677.060707][ T74] [ 6677.062946][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6677.062946][ T74] netdev_get_by_index+0x5e/0x80 [ 6677.062946][ T74] fib6_nh_init+0x3d8/0x1580 [ 6677.062946][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6677.062946][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6677.062946][ T74] ipv6_add_addr+0x411/0x2000 [ 6677.062946][ T74] inet6_addr_add+0x30e/0xa40 [ 6677.062946][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6677.062946][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6677.062946][ T74] netlink_rcv_skb+0x130/0x360 [ 6677.062946][ T74] netlink_unicast+0x449/0x710 [ 6677.062946][ T74] netlink_sendmsg+0x723/0xbe0 [ 6677.062946][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6677.062946][ T74] ___sys_sendmsg+0xee/0x170 [ 6677.062946][ T74] __sys_sendmsg+0xcd/0x170 [ 6677.062946][ T74] do_syscall_64+0xc6/0x1e0 [ 6677.062946][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6677.062946][ T74] [ 6677.065238][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6677.065238][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6677.065238][ T74] ipv6_find_idev+0x102/0x170 [ 6677.065238][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6677.065238][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6677.065238][ T74] netlink_rcv_skb+0x130/0x360 [ 6677.065238][ T74] netlink_unicast+0x449/0x710 [ 6677.065238][ T74] netlink_sendmsg+0x723/0xbe0 [ 6677.065238][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6677.065238][ T74] ___sys_sendmsg+0xee/0x170 [ 6677.065238][ T74] __sys_sendmsg+0xcd/0x170 [ 6677.065238][ T74] do_syscall_64+0xc6/0x1e0 [ 6677.065238][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6677.065238][ T74] [ 6677.066890][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6677.066890][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6677.066890][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6677.066890][ T74] ipv6_find_idev+0x102/0x170 [ 6677.066890][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6677.066890][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6677.066890][ T74] netlink_rcv_skb+0x130/0x360 [ 6677.066890][ T74] netlink_unicast+0x449/0x710 [ 6677.066890][ T74] netlink_sendmsg+0x723/0xbe0 [ 6677.066890][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6677.066890][ T74] ___sys_sendmsg+0xee/0x170 [ 6677.066890][ T74] __sys_sendmsg+0xcd/0x170 [ 6677.066890][ T74] do_syscall_64+0xc6/0x1e0 [ 6677.066890][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6677.066890][ T74] [ 6687.311960][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6687.312318][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6687.312318][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6687.312318][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6687.312318][ T74] fib6_nh_init+0xa22/0x1580 [ 6687.312318][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6687.312318][ T74] ip6_route_add+0x1c/0x140 [ 6687.312318][ T74] inet6_rtm_newroute+0x104/0x110 [ 6687.312318][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6687.312318][ T74] netlink_rcv_skb+0x130/0x360 [ 6687.312318][ T74] netlink_unicast+0x449/0x710 [ 6687.312318][ T74] netlink_sendmsg+0x723/0xbe0 [ 6687.312318][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6687.312318][ T74] ___sys_sendmsg+0xee/0x170 [ 6687.312318][ T74] __sys_sendmsg+0xcd/0x170 [ 6687.312318][ T74] do_syscall_64+0xc6/0x1e0 [ 6687.312318][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6687.312318][ T74] [ 6687.314209][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6687.314209][ T74] netdev_get_by_index+0x5e/0x80 [ 6687.314209][ T74] fib6_nh_init+0x3d8/0x1580 [ 6687.314209][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6687.314209][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6687.314209][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6687.314209][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6687.314209][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6687.314209][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6687.314209][ T74] addrconf_dad_begin+0x310/0x670 [ 6687.314209][ T74] addrconf_dad_work+0x10b/0xab0 [ 6687.314209][ T74] process_one_work+0x84d/0x18a0 [ 6687.314209][ T74] worker_thread+0x587/0xd30 [ 6687.314209][ T74] kthread+0x28a/0x350 [ 6687.314209][ T74] ret_from_fork+0x31/0x70 [ 6687.314209][ T74] ret_from_fork_asm+0x1a/0x30 [ 6687.314209][ T74] [ 6687.316120][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6687.316120][ T74] netdev_get_by_index+0x5e/0x80 [ 6687.316120][ T74] fib6_nh_init+0x3d8/0x1580 [ 6687.316120][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6687.316120][ T74] ip6_route_add+0x1c/0x140 [ 6687.316120][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6687.316120][ T74] inet6_addr_add+0x4f8/0xa40 [ 6687.316120][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6687.316120][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6687.316120][ T74] netlink_rcv_skb+0x130/0x360 [ 6687.316120][ T74] netlink_unicast+0x449/0x710 [ 6687.316120][ T74] netlink_sendmsg+0x723/0xbe0 [ 6687.316120][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6687.316120][ T74] ___sys_sendmsg+0xee/0x170 [ 6687.316120][ T74] __sys_sendmsg+0xcd/0x170 [ 6687.316120][ T74] do_syscall_64+0xc6/0x1e0 [ 6687.316120][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6687.316120][ T74] [ 6687.318128][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6687.318128][ T74] netdev_get_by_index+0x5e/0x80 [ 6687.318128][ T74] fib6_nh_init+0x3d8/0x1580 [ 6687.318128][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6687.318128][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6687.318128][ T74] ipv6_add_addr+0x411/0x2000 [ 6687.318128][ T74] inet6_addr_add+0x30e/0xa40 [ 6687.318128][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6687.318128][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6687.318128][ T74] netlink_rcv_skb+0x130/0x360 [ 6687.318128][ T74] netlink_unicast+0x449/0x710 [ 6687.318128][ T74] netlink_sendmsg+0x723/0xbe0 [ 6687.318128][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6687.318128][ T74] ___sys_sendmsg+0xee/0x170 [ 6687.318128][ T74] __sys_sendmsg+0xcd/0x170 [ 6687.318128][ T74] do_syscall_64+0xc6/0x1e0 [ 6687.318128][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6687.318128][ T74] [ 6687.320125][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6687.320125][ T74] netdev_get_by_index+0x5e/0x80 [ 6687.320125][ T74] fib6_nh_init+0x3d8/0x1580 [ 6687.320125][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6687.320125][ T74] ip6_route_add+0x1c/0x140 [ 6687.320125][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6687.320125][ T74] addrconf_add_dev+0xe2/0x170 [ 6687.320125][ T74] inet6_addr_add+0x12f/0xa40 [ 6687.320125][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6687.320125][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6687.320125][ T74] netlink_rcv_skb+0x130/0x360 [ 6687.320125][ T74] netlink_unicast+0x449/0x710 [ 6687.320125][ T74] netlink_sendmsg+0x723/0xbe0 [ 6687.320125][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6687.320125][ T74] ___sys_sendmsg+0xee/0x170 [ 6687.320125][ T74] __sys_sendmsg+0xcd/0x170 [ 6687.320125][ T74] do_syscall_64+0xc6/0x1e0 [ 6687.320125][ T74] [ 6687.322084][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6687.322084][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6687.322084][ T74] ipv6_find_idev+0x102/0x170 [ 6687.322084][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6687.322084][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6687.322084][ T74] netlink_rcv_skb+0x130/0x360 [ 6687.322084][ T74] netlink_unicast+0x449/0x710 [ 6687.322084][ T74] netlink_sendmsg+0x723/0xbe0 [ 6687.322084][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6687.322084][ T74] ___sys_sendmsg+0xee/0x170 [ 6687.322084][ T74] __sys_sendmsg+0xcd/0x170 [ 6687.322084][ T74] do_syscall_64+0xc6/0x1e0 [ 6687.322084][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6687.322084][ T74] [ 6687.323615][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6687.323615][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6687.323615][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6687.323615][ T74] ipv6_find_idev+0x102/0x170 [ 6687.323615][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6687.323615][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6687.323615][ T74] netlink_rcv_skb+0x130/0x360 [ 6687.323615][ T74] netlink_unicast+0x449/0x710 [ 6687.323615][ T74] netlink_sendmsg+0x723/0xbe0 [ 6687.323615][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6687.323615][ T74] ___sys_sendmsg+0xee/0x170 [ 6687.323615][ T74] __sys_sendmsg+0xcd/0x170 [ 6687.323615][ T74] do_syscall_64+0xc6/0x1e0 [ 6687.323615][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6687.323615][ T74] [ 6687.325296][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6687.325568][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6687.325568][ T74] dst_init+0x84/0x4a0 [ 6687.325568][ T74] dst_alloc+0x97/0x150 [ 6687.325568][ T74] ip6_dst_alloc+0x23/0x90 [ 6687.325568][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6687.325568][ T74] ip6_pol_route+0x56f/0x840 [ 6687.325568][ T74] fib6_rule_lookup+0x456/0x630 [ 6687.325568][ T74] ip6_route_input+0x59c/0xa50 [ 6687.325568][ T74] ipv6_rcv+0x397/0x810 [ 6687.325568][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6687.325568][ T74] process_backlog+0x101/0x620 [ 6687.325568][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6687.325568][ T74] net_rx_action+0x495/0xbe0 [ 6687.325568][ T74] __do_softirq+0x1b5/0x7f6 [ 6687.325568][ T74] [ 6687.327208][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6687.327208][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6687.327208][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6687.327208][ T74] fib6_nh_init+0xa22/0x1580 [ 6687.327208][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6687.327208][ T74] ip6_route_add+0x1c/0x140 [ 6687.327208][ T74] inet6_rtm_newroute+0x104/0x110 [ 6687.327208][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6687.327208][ T74] netlink_rcv_skb+0x130/0x360 [ 6687.327208][ T74] netlink_unicast+0x449/0x710 [ 6687.327208][ T74] netlink_sendmsg+0x723/0xbe0 [ 6687.327208][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6687.327208][ T74] ___sys_sendmsg+0xee/0x170 [ 6687.327208][ T74] __sys_sendmsg+0xcd/0x170 [ 6687.327208][ T74] do_syscall_64+0xc6/0x1e0 [ 6687.327208][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6687.327208][ T74] [ 6687.329074][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6687.329074][ T74] netdev_get_by_index+0x5e/0x80 [ 6687.329074][ T74] fib6_nh_init+0x3d8/0x1580 [ 6687.329074][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6687.329074][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6687.329074][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6687.329074][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6687.329074][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6687.329074][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6687.329074][ T74] addrconf_dad_begin+0x310/0x670 [ 6687.329074][ T74] addrconf_dad_work+0x10b/0xab0 [ 6687.329074][ T74] process_one_work+0x84d/0x18a0 [ 6687.329074][ T74] worker_thread+0x587/0xd30 [ 6687.329074][ T74] kthread+0x28a/0x350 [ 6687.329074][ T74] ret_from_fork+0x31/0x70 [ 6687.329074][ T74] ret_from_fork_asm+0x1a/0x30 [ 6687.329074][ T74] [ 6687.330985][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6687.330985][ T74] netdev_get_by_index+0x5e/0x80 [ 6687.330985][ T74] fib6_nh_init+0x3d8/0x1580 [ 6687.330985][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6687.330985][ T74] ip6_route_add+0x1c/0x140 [ 6687.330985][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6687.330985][ T74] inet6_addr_add+0x4f8/0xa40 [ 6687.330985][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6687.330985][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6687.330985][ T74] netlink_rcv_skb+0x130/0x360 [ 6687.330985][ T74] netlink_unicast+0x449/0x710 [ 6687.330985][ T74] netlink_sendmsg+0x723/0xbe0 [ 6687.330985][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6687.330985][ T74] ___sys_sendmsg+0xee/0x170 [ 6687.330985][ T74] __sys_sendmsg+0xcd/0x170 [ 6687.330985][ T74] do_syscall_64+0xc6/0x1e0 [ 6687.330985][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6687.330985][ T74] [ 6687.332975][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6687.332975][ T74] netdev_get_by_index+0x5e/0x80 [ 6687.332975][ T74] fib6_nh_init+0x3d8/0x1580 [ 6687.332975][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6687.332975][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6687.332975][ T74] ipv6_add_addr+0x411/0x2000 [ 6687.332975][ T74] inet6_addr_add+0x30e/0xa40 [ 6687.332975][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6687.332975][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6687.332975][ T74] netlink_rcv_skb+0x130/0x360 [ 6687.332975][ T74] netlink_unicast+0x449/0x710 [ 6687.332975][ T74] netlink_sendmsg+0x723/0xbe0 [ 6687.332975][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6687.332975][ T74] ___sys_sendmsg+0xee/0x170 [ 6687.332975][ T74] __sys_sendmsg+0xcd/0x170 [ 6687.332975][ T74] do_syscall_64+0xc6/0x1e0 [ 6687.332975][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6687.332975][ T74] [ 6687.334975][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6687.334975][ T74] netdev_get_by_index+0x5e/0x80 [ 6687.334975][ T74] fib6_nh_init+0x3d8/0x1580 [ 6687.334975][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6687.334975][ T74] ip6_route_add+0x1c/0x140 [ 6687.334975][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6687.334975][ T74] addrconf_add_dev+0xe2/0x170 [ 6687.334975][ T74] inet6_addr_add+0x12f/0xa40 [ 6687.334975][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6687.334975][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6687.334975][ T74] netlink_rcv_skb+0x130/0x360 [ 6687.334975][ T74] netlink_unicast+0x449/0x710 [ 6687.334975][ T74] netlink_sendmsg+0x723/0xbe0 [ 6687.334975][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6687.334975][ T74] ___sys_sendmsg+0xee/0x170 [ 6687.334975][ T74] __sys_sendmsg+0xcd/0x170 [ 6687.334975][ T74] do_syscall_64+0xc6/0x1e0 [ 6687.334975][ T74] [ 6687.336938][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6687.336938][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6687.336938][ T74] ipv6_find_idev+0x102/0x170 [ 6687.336938][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6687.336938][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6687.336938][ T74] netlink_rcv_skb+0x130/0x360 [ 6687.336938][ T74] netlink_unicast+0x449/0x710 [ 6687.336938][ T74] netlink_sendmsg+0x723/0xbe0 [ 6687.336938][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6687.336938][ T74] ___sys_sendmsg+0xee/0x170 [ 6687.336938][ T74] __sys_sendmsg+0xcd/0x170 [ 6687.336938][ T74] do_syscall_64+0xc6/0x1e0 [ 6687.336938][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6687.336938][ T74] [ 6687.338619][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6687.338619][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6687.338619][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6687.338619][ T74] ipv6_find_idev+0x102/0x170 [ 6687.338619][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6687.338619][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6687.338619][ T74] netlink_rcv_skb+0x130/0x360 [ 6687.338619][ T74] netlink_unicast+0x449/0x710 [ 6687.338619][ T74] netlink_sendmsg+0x723/0xbe0 [ 6687.338619][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6687.338619][ T74] ___sys_sendmsg+0xee/0x170 [ 6687.338619][ T74] __sys_sendmsg+0xcd/0x170 [ 6687.338619][ T74] do_syscall_64+0xc6/0x1e0 [ 6687.338619][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6687.338619][ T74] [ 6687.340536][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6687.340778][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6687.340778][ T74] netdev_get_by_index+0x5e/0x80 [ 6687.340778][ T74] fib6_nh_init+0x3d8/0x1580 [ 6687.340778][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6687.340778][ T74] ip6_route_add+0x1c/0x140 [ 6687.340778][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6687.340778][ T74] inet6_addr_add+0x4f8/0xa40 [ 6687.340778][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6687.340778][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6687.340778][ T74] netlink_rcv_skb+0x130/0x360 [ 6687.340778][ T74] netlink_unicast+0x449/0x710 [ 6687.340778][ T74] netlink_sendmsg+0x723/0xbe0 [ 6687.340778][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6687.340778][ T74] ___sys_sendmsg+0xee/0x170 [ 6687.340778][ T74] __sys_sendmsg+0xcd/0x170 [ 6687.340778][ T74] do_syscall_64+0xc6/0x1e0 [ 6687.340778][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6687.340778][ T74] [ 6687.343015][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6687.343015][ T74] netdev_get_by_index+0x5e/0x80 [ 6687.343015][ T74] fib6_nh_init+0x3d8/0x1580 [ 6687.343015][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6687.343015][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6687.343015][ T74] ipv6_add_addr+0x411/0x2000 [ 6687.343015][ T74] inet6_addr_add+0x30e/0xa40 [ 6687.343015][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6687.343015][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6687.343015][ T74] netlink_rcv_skb+0x130/0x360 [ 6687.343015][ T74] netlink_unicast+0x449/0x710 [ 6687.343015][ T74] netlink_sendmsg+0x723/0xbe0 [ 6687.343015][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6687.343015][ T74] ___sys_sendmsg+0xee/0x170 [ 6687.343015][ T74] __sys_sendmsg+0xcd/0x170 [ 6687.343015][ T74] do_syscall_64+0xc6/0x1e0 [ 6687.343015][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6687.343015][ T74] [ 6687.345247][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6687.345247][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6687.345247][ T74] ipv6_find_idev+0x102/0x170 [ 6687.345247][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6687.345247][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6687.345247][ T74] netlink_rcv_skb+0x130/0x360 [ 6687.345247][ T74] netlink_unicast+0x449/0x710 [ 6687.345247][ T74] netlink_sendmsg+0x723/0xbe0 [ 6687.345247][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6687.345247][ T74] ___sys_sendmsg+0xee/0x170 [ 6687.345247][ T74] __sys_sendmsg+0xcd/0x170 [ 6687.345247][ T74] do_syscall_64+0xc6/0x1e0 [ 6687.345247][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6687.345247][ T74] [ 6687.346896][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6687.346896][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6687.346896][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6687.346896][ T74] ipv6_find_idev+0x102/0x170 [ 6687.346896][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6687.346896][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6687.346896][ T74] netlink_rcv_skb+0x130/0x360 [ 6687.346896][ T74] netlink_unicast+0x449/0x710 [ 6687.346896][ T74] netlink_sendmsg+0x723/0xbe0 [ 6687.346896][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6687.346896][ T74] ___sys_sendmsg+0xee/0x170 [ 6687.346896][ T74] __sys_sendmsg+0xcd/0x170 [ 6687.346896][ T74] do_syscall_64+0xc6/0x1e0 [ 6687.346896][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6687.346896][ T74] [ 6697.591962][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6697.592378][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6697.592378][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6697.592378][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6697.592378][ T74] fib6_nh_init+0xa22/0x1580 [ 6697.592378][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6697.592378][ T74] ip6_route_add+0x1c/0x140 [ 6697.592378][ T74] inet6_rtm_newroute+0x104/0x110 [ 6697.592378][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6697.592378][ T74] netlink_rcv_skb+0x130/0x360 [ 6697.592378][ T74] netlink_unicast+0x449/0x710 [ 6697.592378][ T74] netlink_sendmsg+0x723/0xbe0 [ 6697.592378][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6697.592378][ T74] ___sys_sendmsg+0xee/0x170 [ 6697.592378][ T74] __sys_sendmsg+0xcd/0x170 [ 6697.592378][ T74] do_syscall_64+0xc6/0x1e0 [ 6697.592378][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6697.592378][ T74] [ 6697.594270][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6697.594270][ T74] netdev_get_by_index+0x5e/0x80 [ 6697.594270][ T74] fib6_nh_init+0x3d8/0x1580 [ 6697.594270][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6697.594270][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6697.594270][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6697.594270][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6697.594270][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6697.594270][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6697.594270][ T74] addrconf_dad_begin+0x310/0x670 [ 6697.594270][ T74] addrconf_dad_work+0x10b/0xab0 [ 6697.594270][ T74] process_one_work+0x84d/0x18a0 [ 6697.594270][ T74] worker_thread+0x587/0xd30 [ 6697.594270][ T74] kthread+0x28a/0x350 [ 6697.594270][ T74] ret_from_fork+0x31/0x70 [ 6697.594270][ T74] ret_from_fork_asm+0x1a/0x30 [ 6697.594270][ T74] [ 6697.596182][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6697.596182][ T74] netdev_get_by_index+0x5e/0x80 [ 6697.596182][ T74] fib6_nh_init+0x3d8/0x1580 [ 6697.596182][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6697.596182][ T74] ip6_route_add+0x1c/0x140 [ 6697.596182][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6697.596182][ T74] inet6_addr_add+0x4f8/0xa40 [ 6697.596182][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6697.596182][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6697.596182][ T74] netlink_rcv_skb+0x130/0x360 [ 6697.596182][ T74] netlink_unicast+0x449/0x710 [ 6697.596182][ T74] netlink_sendmsg+0x723/0xbe0 [ 6697.596182][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6697.596182][ T74] ___sys_sendmsg+0xee/0x170 [ 6697.596182][ T74] __sys_sendmsg+0xcd/0x170 [ 6697.596182][ T74] do_syscall_64+0xc6/0x1e0 [ 6697.596182][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6697.596182][ T74] [ 6697.598192][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6697.598192][ T74] netdev_get_by_index+0x5e/0x80 [ 6697.598192][ T74] fib6_nh_init+0x3d8/0x1580 [ 6697.598192][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6697.598192][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6697.598192][ T74] ipv6_add_addr+0x411/0x2000 [ 6697.598192][ T74] inet6_addr_add+0x30e/0xa40 [ 6697.598192][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6697.598192][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6697.598192][ T74] netlink_rcv_skb+0x130/0x360 [ 6697.598192][ T74] netlink_unicast+0x449/0x710 [ 6697.598192][ T74] netlink_sendmsg+0x723/0xbe0 [ 6697.598192][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6697.598192][ T74] ___sys_sendmsg+0xee/0x170 [ 6697.598192][ T74] __sys_sendmsg+0xcd/0x170 [ 6697.598192][ T74] do_syscall_64+0xc6/0x1e0 [ 6697.598192][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6697.598192][ T74] [ 6697.600183][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6697.600183][ T74] netdev_get_by_index+0x5e/0x80 [ 6697.600183][ T74] fib6_nh_init+0x3d8/0x1580 [ 6697.600183][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6697.600183][ T74] ip6_route_add+0x1c/0x140 [ 6697.600183][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6697.600183][ T74] addrconf_add_dev+0xe2/0x170 [ 6697.600183][ T74] inet6_addr_add+0x12f/0xa40 [ 6697.600183][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6697.600183][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6697.600183][ T74] netlink_rcv_skb+0x130/0x360 [ 6697.600183][ T74] netlink_unicast+0x449/0x710 [ 6697.600183][ T74] netlink_sendmsg+0x723/0xbe0 [ 6697.600183][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6697.600183][ T74] ___sys_sendmsg+0xee/0x170 [ 6697.600183][ T74] __sys_sendmsg+0xcd/0x170 [ 6697.600183][ T74] do_syscall_64+0xc6/0x1e0 [ 6697.600183][ T74] [ 6697.602130][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6697.602130][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6697.602130][ T74] ipv6_find_idev+0x102/0x170 [ 6697.602130][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6697.602130][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6697.602130][ T74] netlink_rcv_skb+0x130/0x360 [ 6697.602130][ T74] netlink_unicast+0x449/0x710 [ 6697.602130][ T74] netlink_sendmsg+0x723/0xbe0 [ 6697.602130][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6697.602130][ T74] ___sys_sendmsg+0xee/0x170 [ 6697.602130][ T74] __sys_sendmsg+0xcd/0x170 [ 6697.602130][ T74] do_syscall_64+0xc6/0x1e0 [ 6697.602130][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6697.602130][ T74] [ 6697.603662][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6697.603662][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6697.603662][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6697.603662][ T74] ipv6_find_idev+0x102/0x170 [ 6697.603662][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6697.603662][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6697.603662][ T74] netlink_rcv_skb+0x130/0x360 [ 6697.603662][ T74] netlink_unicast+0x449/0x710 [ 6697.603662][ T74] netlink_sendmsg+0x723/0xbe0 [ 6697.603662][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6697.603662][ T74] ___sys_sendmsg+0xee/0x170 [ 6697.603662][ T74] __sys_sendmsg+0xcd/0x170 [ 6697.603662][ T74] do_syscall_64+0xc6/0x1e0 [ 6697.603662][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6697.603662][ T74] [ 6697.605340][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6697.605613][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6697.605613][ T74] dst_init+0x84/0x4a0 [ 6697.605613][ T74] dst_alloc+0x97/0x150 [ 6697.605613][ T74] ip6_dst_alloc+0x23/0x90 [ 6697.605613][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6697.605613][ T74] ip6_pol_route+0x56f/0x840 [ 6697.605613][ T74] fib6_rule_lookup+0x456/0x630 [ 6697.605613][ T74] ip6_route_input+0x59c/0xa50 [ 6697.605613][ T74] ipv6_rcv+0x397/0x810 [ 6697.605613][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6697.605613][ T74] process_backlog+0x101/0x620 [ 6697.605613][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6697.605613][ T74] net_rx_action+0x495/0xbe0 [ 6697.605613][ T74] __do_softirq+0x1b5/0x7f6 [ 6697.605613][ T74] [ 6697.607265][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6697.607265][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6697.607265][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6697.607265][ T74] fib6_nh_init+0xa22/0x1580 [ 6697.607265][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6697.607265][ T74] ip6_route_add+0x1c/0x140 [ 6697.607265][ T74] inet6_rtm_newroute+0x104/0x110 [ 6697.607265][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6697.607265][ T74] netlink_rcv_skb+0x130/0x360 [ 6697.607265][ T74] netlink_unicast+0x449/0x710 [ 6697.607265][ T74] netlink_sendmsg+0x723/0xbe0 [ 6697.607265][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6697.607265][ T74] ___sys_sendmsg+0xee/0x170 [ 6697.607265][ T74] __sys_sendmsg+0xcd/0x170 [ 6697.607265][ T74] do_syscall_64+0xc6/0x1e0 [ 6697.607265][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6697.607265][ T74] [ 6697.609127][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6697.609127][ T74] netdev_get_by_index+0x5e/0x80 [ 6697.609127][ T74] fib6_nh_init+0x3d8/0x1580 [ 6697.609127][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6697.609127][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6697.609127][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6697.609127][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6697.609127][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6697.609127][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6697.609127][ T74] addrconf_dad_begin+0x310/0x670 [ 6697.609127][ T74] addrconf_dad_work+0x10b/0xab0 [ 6697.609127][ T74] process_one_work+0x84d/0x18a0 [ 6697.609127][ T74] worker_thread+0x587/0xd30 [ 6697.609127][ T74] kthread+0x28a/0x350 [ 6697.609127][ T74] ret_from_fork+0x31/0x70 [ 6697.609127][ T74] ret_from_fork_asm+0x1a/0x30 [ 6697.609127][ T74] [ 6697.611034][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6697.611034][ T74] netdev_get_by_index+0x5e/0x80 [ 6697.611034][ T74] fib6_nh_init+0x3d8/0x1580 [ 6697.611034][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6697.611034][ T74] ip6_route_add+0x1c/0x140 [ 6697.611034][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6697.611034][ T74] inet6_addr_add+0x4f8/0xa40 [ 6697.611034][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6697.611034][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6697.611034][ T74] netlink_rcv_skb+0x130/0x360 [ 6697.611034][ T74] netlink_unicast+0x449/0x710 [ 6697.611034][ T74] netlink_sendmsg+0x723/0xbe0 [ 6697.611034][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6697.611034][ T74] ___sys_sendmsg+0xee/0x170 [ 6697.611034][ T74] __sys_sendmsg+0xcd/0x170 [ 6697.611034][ T74] do_syscall_64+0xc6/0x1e0 [ 6697.611034][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6697.611034][ T74] [ 6697.613033][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6697.613033][ T74] netdev_get_by_index+0x5e/0x80 [ 6697.613033][ T74] fib6_nh_init+0x3d8/0x1580 [ 6697.613033][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6697.613033][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6697.613033][ T74] ipv6_add_addr+0x411/0x2000 [ 6697.613033][ T74] inet6_addr_add+0x30e/0xa40 [ 6697.613033][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6697.613033][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6697.613033][ T74] netlink_rcv_skb+0x130/0x360 [ 6697.613033][ T74] netlink_unicast+0x449/0x710 [ 6697.613033][ T74] netlink_sendmsg+0x723/0xbe0 [ 6697.613033][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6697.613033][ T74] ___sys_sendmsg+0xee/0x170 [ 6697.613033][ T74] __sys_sendmsg+0xcd/0x170 [ 6697.613033][ T74] do_syscall_64+0xc6/0x1e0 [ 6697.613033][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6697.613033][ T74] [ 6697.615022][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6697.615022][ T74] netdev_get_by_index+0x5e/0x80 [ 6697.615022][ T74] fib6_nh_init+0x3d8/0x1580 [ 6697.615022][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6697.615022][ T74] ip6_route_add+0x1c/0x140 [ 6697.615022][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6697.615022][ T74] addrconf_add_dev+0xe2/0x170 [ 6697.615022][ T74] inet6_addr_add+0x12f/0xa40 [ 6697.615022][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6697.615022][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6697.615022][ T74] netlink_rcv_skb+0x130/0x360 [ 6697.615022][ T74] netlink_unicast+0x449/0x710 [ 6697.615022][ T74] netlink_sendmsg+0x723/0xbe0 [ 6697.615022][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6697.615022][ T74] ___sys_sendmsg+0xee/0x170 [ 6697.615022][ T74] __sys_sendmsg+0xcd/0x170 [ 6697.615022][ T74] do_syscall_64+0xc6/0x1e0 [ 6697.615022][ T74] [ 6697.616965][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6697.616965][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6697.616965][ T74] ipv6_find_idev+0x102/0x170 [ 6697.616965][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6697.616965][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6697.616965][ T74] netlink_rcv_skb+0x130/0x360 [ 6697.616965][ T74] netlink_unicast+0x449/0x710 [ 6697.616965][ T74] netlink_sendmsg+0x723/0xbe0 [ 6697.616965][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6697.616965][ T74] ___sys_sendmsg+0xee/0x170 [ 6697.616965][ T74] __sys_sendmsg+0xcd/0x170 [ 6697.616965][ T74] do_syscall_64+0xc6/0x1e0 [ 6697.616965][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6697.616965][ T74] [ 6697.618632][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6697.618632][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6697.618632][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6697.618632][ T74] ipv6_find_idev+0x102/0x170 [ 6697.618632][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6697.618632][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6697.618632][ T74] netlink_rcv_skb+0x130/0x360 [ 6697.618632][ T74] netlink_unicast+0x449/0x710 [ 6697.618632][ T74] netlink_sendmsg+0x723/0xbe0 [ 6697.618632][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6697.618632][ T74] ___sys_sendmsg+0xee/0x170 [ 6697.618632][ T74] __sys_sendmsg+0xcd/0x170 [ 6697.618632][ T74] do_syscall_64+0xc6/0x1e0 [ 6697.618632][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6697.618632][ T74] [ 6697.620606][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6697.620851][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6697.620851][ T74] netdev_get_by_index+0x5e/0x80 [ 6697.620851][ T74] fib6_nh_init+0x3d8/0x1580 [ 6697.620851][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6697.620851][ T74] ip6_route_add+0x1c/0x140 [ 6697.620851][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6697.620851][ T74] inet6_addr_add+0x4f8/0xa40 [ 6697.620851][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6697.620851][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6697.620851][ T74] netlink_rcv_skb+0x130/0x360 [ 6697.620851][ T74] netlink_unicast+0x449/0x710 [ 6697.620851][ T74] netlink_sendmsg+0x723/0xbe0 [ 6697.620851][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6697.620851][ T74] ___sys_sendmsg+0xee/0x170 [ 6697.620851][ T74] __sys_sendmsg+0xcd/0x170 [ 6697.620851][ T74] do_syscall_64+0xc6/0x1e0 [ 6697.620851][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6697.620851][ T74] [ 6697.623101][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6697.623101][ T74] netdev_get_by_index+0x5e/0x80 [ 6697.623101][ T74] fib6_nh_init+0x3d8/0x1580 [ 6697.623101][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6697.623101][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6697.623101][ T74] ipv6_add_addr+0x411/0x2000 [ 6697.623101][ T74] inet6_addr_add+0x30e/0xa40 [ 6697.623101][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6697.623101][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6697.623101][ T74] netlink_rcv_skb+0x130/0x360 [ 6697.623101][ T74] netlink_unicast+0x449/0x710 [ 6697.623101][ T74] netlink_sendmsg+0x723/0xbe0 [ 6697.623101][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6697.623101][ T74] ___sys_sendmsg+0xee/0x170 [ 6697.623101][ T74] __sys_sendmsg+0xcd/0x170 [ 6697.623101][ T74] do_syscall_64+0xc6/0x1e0 [ 6697.623101][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6697.623101][ T74] [ 6697.625436][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6697.625436][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6697.625436][ T74] ipv6_find_idev+0x102/0x170 [ 6697.625436][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6697.625436][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6697.625436][ T74] netlink_rcv_skb+0x130/0x360 [ 6697.625436][ T74] netlink_unicast+0x449/0x710 [ 6697.625436][ T74] netlink_sendmsg+0x723/0xbe0 [ 6697.625436][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6697.625436][ T74] ___sys_sendmsg+0xee/0x170 [ 6697.625436][ T74] __sys_sendmsg+0xcd/0x170 [ 6697.625436][ T74] do_syscall_64+0xc6/0x1e0 [ 6697.625436][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6697.625436][ T74] [ 6697.627081][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6697.627081][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6697.627081][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6697.627081][ T74] ipv6_find_idev+0x102/0x170 [ 6697.627081][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6697.627081][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6697.627081][ T74] netlink_rcv_skb+0x130/0x360 [ 6697.627081][ T74] netlink_unicast+0x449/0x710 [ 6697.627081][ T74] netlink_sendmsg+0x723/0xbe0 [ 6697.627081][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6697.627081][ T74] ___sys_sendmsg+0xee/0x170 [ 6697.627081][ T74] __sys_sendmsg+0xcd/0x170 [ 6697.627081][ T74] do_syscall_64+0xc6/0x1e0 [ 6697.627081][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6697.627081][ T74] [ 6707.871980][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6707.872344][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6707.872344][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6707.872344][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6707.872344][ T74] fib6_nh_init+0xa22/0x1580 [ 6707.872344][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6707.872344][ T74] ip6_route_add+0x1c/0x140 [ 6707.872344][ T74] inet6_rtm_newroute+0x104/0x110 [ 6707.872344][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6707.872344][ T74] netlink_rcv_skb+0x130/0x360 [ 6707.872344][ T74] netlink_unicast+0x449/0x710 [ 6707.872344][ T74] netlink_sendmsg+0x723/0xbe0 [ 6707.872344][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6707.872344][ T74] ___sys_sendmsg+0xee/0x170 [ 6707.872344][ T74] __sys_sendmsg+0xcd/0x170 [ 6707.872344][ T74] do_syscall_64+0xc6/0x1e0 [ 6707.872344][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6707.872344][ T74] [ 6707.874227][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6707.874227][ T74] netdev_get_by_index+0x5e/0x80 [ 6707.874227][ T74] fib6_nh_init+0x3d8/0x1580 [ 6707.874227][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6707.874227][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6707.874227][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6707.874227][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6707.874227][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6707.874227][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6707.874227][ T74] addrconf_dad_begin+0x310/0x670 [ 6707.874227][ T74] addrconf_dad_work+0x10b/0xab0 [ 6707.874227][ T74] process_one_work+0x84d/0x18a0 [ 6707.874227][ T74] worker_thread+0x587/0xd30 [ 6707.874227][ T74] kthread+0x28a/0x350 [ 6707.874227][ T74] ret_from_fork+0x31/0x70 [ 6707.874227][ T74] ret_from_fork_asm+0x1a/0x30 [ 6707.874227][ T74] [ 6707.876136][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6707.876136][ T74] netdev_get_by_index+0x5e/0x80 [ 6707.876136][ T74] fib6_nh_init+0x3d8/0x1580 [ 6707.876136][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6707.876136][ T74] ip6_route_add+0x1c/0x140 [ 6707.876136][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6707.876136][ T74] inet6_addr_add+0x4f8/0xa40 [ 6707.876136][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6707.876136][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6707.876136][ T74] netlink_rcv_skb+0x130/0x360 [ 6707.876136][ T74] netlink_unicast+0x449/0x710 [ 6707.876136][ T74] netlink_sendmsg+0x723/0xbe0 [ 6707.876136][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6707.876136][ T74] ___sys_sendmsg+0xee/0x170 [ 6707.876136][ T74] __sys_sendmsg+0xcd/0x170 [ 6707.876136][ T74] do_syscall_64+0xc6/0x1e0 [ 6707.876136][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6707.876136][ T74] [ 6707.878135][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6707.878135][ T74] netdev_get_by_index+0x5e/0x80 [ 6707.878135][ T74] fib6_nh_init+0x3d8/0x1580 [ 6707.878135][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6707.878135][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6707.878135][ T74] ipv6_add_addr+0x411/0x2000 [ 6707.878135][ T74] inet6_addr_add+0x30e/0xa40 [ 6707.878135][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6707.878135][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6707.878135][ T74] netlink_rcv_skb+0x130/0x360 [ 6707.878135][ T74] netlink_unicast+0x449/0x710 [ 6707.878135][ T74] netlink_sendmsg+0x723/0xbe0 [ 6707.878135][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6707.878135][ T74] ___sys_sendmsg+0xee/0x170 [ 6707.878135][ T74] __sys_sendmsg+0xcd/0x170 [ 6707.878135][ T74] do_syscall_64+0xc6/0x1e0 [ 6707.878135][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6707.878135][ T74] [ 6707.880130][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6707.880130][ T74] netdev_get_by_index+0x5e/0x80 [ 6707.880130][ T74] fib6_nh_init+0x3d8/0x1580 [ 6707.880130][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6707.880130][ T74] ip6_route_add+0x1c/0x140 [ 6707.880130][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6707.880130][ T74] addrconf_add_dev+0xe2/0x170 [ 6707.880130][ T74] inet6_addr_add+0x12f/0xa40 [ 6707.880130][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6707.880130][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6707.880130][ T74] netlink_rcv_skb+0x130/0x360 [ 6707.880130][ T74] netlink_unicast+0x449/0x710 [ 6707.880130][ T74] netlink_sendmsg+0x723/0xbe0 [ 6707.880130][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6707.880130][ T74] ___sys_sendmsg+0xee/0x170 [ 6707.880130][ T74] __sys_sendmsg+0xcd/0x170 [ 6707.880130][ T74] do_syscall_64+0xc6/0x1e0 [ 6707.880130][ T74] [ 6707.882078][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6707.882078][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6707.882078][ T74] ipv6_find_idev+0x102/0x170 [ 6707.882078][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6707.882078][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6707.882078][ T74] netlink_rcv_skb+0x130/0x360 [ 6707.882078][ T74] netlink_unicast+0x449/0x710 [ 6707.882078][ T74] netlink_sendmsg+0x723/0xbe0 [ 6707.882078][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6707.882078][ T74] ___sys_sendmsg+0xee/0x170 [ 6707.882078][ T74] __sys_sendmsg+0xcd/0x170 [ 6707.882078][ T74] do_syscall_64+0xc6/0x1e0 [ 6707.882078][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6707.882078][ T74] [ 6707.883606][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6707.883606][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6707.883606][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6707.883606][ T74] ipv6_find_idev+0x102/0x170 [ 6707.883606][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6707.883606][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6707.883606][ T74] netlink_rcv_skb+0x130/0x360 [ 6707.883606][ T74] netlink_unicast+0x449/0x710 [ 6707.883606][ T74] netlink_sendmsg+0x723/0xbe0 [ 6707.883606][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6707.883606][ T74] ___sys_sendmsg+0xee/0x170 [ 6707.883606][ T74] __sys_sendmsg+0xcd/0x170 [ 6707.883606][ T74] do_syscall_64+0xc6/0x1e0 [ 6707.883606][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6707.883606][ T74] [ 6707.885284][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6707.885556][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6707.885556][ T74] dst_init+0x84/0x4a0 [ 6707.885556][ T74] dst_alloc+0x97/0x150 [ 6707.885556][ T74] ip6_dst_alloc+0x23/0x90 [ 6707.885556][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6707.885556][ T74] ip6_pol_route+0x56f/0x840 [ 6707.885556][ T74] fib6_rule_lookup+0x456/0x630 [ 6707.885556][ T74] ip6_route_input+0x59c/0xa50 [ 6707.885556][ T74] ipv6_rcv+0x397/0x810 [ 6707.885556][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6707.885556][ T74] process_backlog+0x101/0x620 [ 6707.885556][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6707.885556][ T74] net_rx_action+0x495/0xbe0 [ 6707.885556][ T74] __do_softirq+0x1b5/0x7f6 [ 6707.885556][ T74] [ 6707.887205][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6707.887205][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6707.887205][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6707.887205][ T74] fib6_nh_init+0xa22/0x1580 [ 6707.887205][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6707.887205][ T74] ip6_route_add+0x1c/0x140 [ 6707.887205][ T74] inet6_rtm_newroute+0x104/0x110 [ 6707.887205][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6707.887205][ T74] netlink_rcv_skb+0x130/0x360 [ 6707.887205][ T74] netlink_unicast+0x449/0x710 [ 6707.887205][ T74] netlink_sendmsg+0x723/0xbe0 [ 6707.887205][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6707.887205][ T74] ___sys_sendmsg+0xee/0x170 [ 6707.887205][ T74] __sys_sendmsg+0xcd/0x170 [ 6707.887205][ T74] do_syscall_64+0xc6/0x1e0 [ 6707.887205][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6707.887205][ T74] [ 6707.889067][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6707.889067][ T74] netdev_get_by_index+0x5e/0x80 [ 6707.889067][ T74] fib6_nh_init+0x3d8/0x1580 [ 6707.889067][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6707.889067][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6707.889067][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6707.889067][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6707.889067][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6707.889067][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6707.889067][ T74] addrconf_dad_begin+0x310/0x670 [ 6707.889067][ T74] addrconf_dad_work+0x10b/0xab0 [ 6707.889067][ T74] process_one_work+0x84d/0x18a0 [ 6707.889067][ T74] worker_thread+0x587/0xd30 [ 6707.889067][ T74] kthread+0x28a/0x350 [ 6707.889067][ T74] ret_from_fork+0x31/0x70 [ 6707.889067][ T74] ret_from_fork_asm+0x1a/0x30 [ 6707.889067][ T74] [ 6707.890967][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6707.890967][ T74] netdev_get_by_index+0x5e/0x80 [ 6707.890967][ T74] fib6_nh_init+0x3d8/0x1580 [ 6707.890967][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6707.890967][ T74] ip6_route_add+0x1c/0x140 [ 6707.890967][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6707.890967][ T74] inet6_addr_add+0x4f8/0xa40 [ 6707.890967][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6707.890967][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6707.890967][ T74] netlink_rcv_skb+0x130/0x360 [ 6707.890967][ T74] netlink_unicast+0x449/0x710 [ 6707.890967][ T74] netlink_sendmsg+0x723/0xbe0 [ 6707.890967][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6707.890967][ T74] ___sys_sendmsg+0xee/0x170 [ 6707.890967][ T74] __sys_sendmsg+0xcd/0x170 [ 6707.890967][ T74] do_syscall_64+0xc6/0x1e0 [ 6707.890967][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6707.890967][ T74] [ 6707.892964][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6707.892964][ T74] netdev_get_by_index+0x5e/0x80 [ 6707.892964][ T74] fib6_nh_init+0x3d8/0x1580 [ 6707.892964][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6707.892964][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6707.892964][ T74] ipv6_add_addr+0x411/0x2000 [ 6707.892964][ T74] inet6_addr_add+0x30e/0xa40 [ 6707.892964][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6707.892964][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6707.892964][ T74] netlink_rcv_skb+0x130/0x360 [ 6707.892964][ T74] netlink_unicast+0x449/0x710 [ 6707.892964][ T74] netlink_sendmsg+0x723/0xbe0 [ 6707.892964][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6707.892964][ T74] ___sys_sendmsg+0xee/0x170 [ 6707.892964][ T74] __sys_sendmsg+0xcd/0x170 [ 6707.892964][ T74] do_syscall_64+0xc6/0x1e0 [ 6707.892964][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6707.892964][ T74] [ 6707.894959][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6707.894959][ T74] netdev_get_by_index+0x5e/0x80 [ 6707.894959][ T74] fib6_nh_init+0x3d8/0x1580 [ 6707.894959][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6707.894959][ T74] ip6_route_add+0x1c/0x140 [ 6707.894959][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6707.894959][ T74] addrconf_add_dev+0xe2/0x170 [ 6707.894959][ T74] inet6_addr_add+0x12f/0xa40 [ 6707.894959][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6707.894959][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6707.894959][ T74] netlink_rcv_skb+0x130/0x360 [ 6707.894959][ T74] netlink_unicast+0x449/0x710 [ 6707.894959][ T74] netlink_sendmsg+0x723/0xbe0 [ 6707.894959][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6707.894959][ T74] ___sys_sendmsg+0xee/0x170 [ 6707.894959][ T74] __sys_sendmsg+0xcd/0x170 [ 6707.894959][ T74] do_syscall_64+0xc6/0x1e0 [ 6707.894959][ T74] [ 6707.896908][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6707.896908][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6707.896908][ T74] ipv6_find_idev+0x102/0x170 [ 6707.896908][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6707.896908][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6707.896908][ T74] netlink_rcv_skb+0x130/0x360 [ 6707.896908][ T74] netlink_unicast+0x449/0x710 [ 6707.896908][ T74] netlink_sendmsg+0x723/0xbe0 [ 6707.896908][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6707.896908][ T74] ___sys_sendmsg+0xee/0x170 [ 6707.896908][ T74] __sys_sendmsg+0xcd/0x170 [ 6707.896908][ T74] do_syscall_64+0xc6/0x1e0 [ 6707.896908][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6707.896908][ T74] [ 6707.898571][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6707.898571][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6707.898571][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6707.898571][ T74] ipv6_find_idev+0x102/0x170 [ 6707.898571][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6707.898571][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6707.898571][ T74] netlink_rcv_skb+0x130/0x360 [ 6707.898571][ T74] netlink_unicast+0x449/0x710 [ 6707.898571][ T74] netlink_sendmsg+0x723/0xbe0 [ 6707.898571][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6707.898571][ T74] ___sys_sendmsg+0xee/0x170 [ 6707.898571][ T74] __sys_sendmsg+0xcd/0x170 [ 6707.898571][ T74] do_syscall_64+0xc6/0x1e0 [ 6707.898571][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6707.898571][ T74] [ 6707.900556][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6707.900793][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6707.900793][ T74] netdev_get_by_index+0x5e/0x80 [ 6707.900793][ T74] fib6_nh_init+0x3d8/0x1580 [ 6707.900793][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6707.900793][ T74] ip6_route_add+0x1c/0x140 [ 6707.900793][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6707.900793][ T74] inet6_addr_add+0x4f8/0xa40 [ 6707.900793][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6707.900793][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6707.900793][ T74] netlink_rcv_skb+0x130/0x360 [ 6707.900793][ T74] netlink_unicast+0x449/0x710 [ 6707.900793][ T74] netlink_sendmsg+0x723/0xbe0 [ 6707.900793][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6707.900793][ T74] ___sys_sendmsg+0xee/0x170 [ 6707.900793][ T74] __sys_sendmsg+0xcd/0x170 [ 6707.900793][ T74] do_syscall_64+0xc6/0x1e0 [ 6707.900793][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6707.900793][ T74] [ 6707.903030][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6707.903030][ T74] netdev_get_by_index+0x5e/0x80 [ 6707.903030][ T74] fib6_nh_init+0x3d8/0x1580 [ 6707.903030][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6707.903030][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6707.903030][ T74] ipv6_add_addr+0x411/0x2000 [ 6707.903030][ T74] inet6_addr_add+0x30e/0xa40 [ 6707.903030][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6707.903030][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6707.903030][ T74] netlink_rcv_skb+0x130/0x360 [ 6707.903030][ T74] netlink_unicast+0x449/0x710 [ 6707.903030][ T74] netlink_sendmsg+0x723/0xbe0 [ 6707.903030][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6707.903030][ T74] ___sys_sendmsg+0xee/0x170 [ 6707.903030][ T74] __sys_sendmsg+0xcd/0x170 [ 6707.903030][ T74] do_syscall_64+0xc6/0x1e0 [ 6707.903030][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6707.903030][ T74] [ 6707.905250][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6707.905250][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6707.905250][ T74] ipv6_find_idev+0x102/0x170 [ 6707.905250][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6707.905250][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6707.905250][ T74] netlink_rcv_skb+0x130/0x360 [ 6707.905250][ T74] netlink_unicast+0x449/0x710 [ 6707.905250][ T74] netlink_sendmsg+0x723/0xbe0 [ 6707.905250][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6707.905250][ T74] ___sys_sendmsg+0xee/0x170 [ 6707.905250][ T74] __sys_sendmsg+0xcd/0x170 [ 6707.905250][ T74] do_syscall_64+0xc6/0x1e0 [ 6707.905250][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6707.905250][ T74] [ 6707.906960][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6707.906960][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6707.906960][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6707.906960][ T74] ipv6_find_idev+0x102/0x170 [ 6707.906960][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6707.906960][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6707.906960][ T74] netlink_rcv_skb+0x130/0x360 [ 6707.906960][ T74] netlink_unicast+0x449/0x710 [ 6707.906960][ T74] netlink_sendmsg+0x723/0xbe0 [ 6707.906960][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6707.906960][ T74] ___sys_sendmsg+0xee/0x170 [ 6707.906960][ T74] __sys_sendmsg+0xcd/0x170 [ 6707.906960][ T74] do_syscall_64+0xc6/0x1e0 [ 6707.906960][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6707.906960][ T74] [ 6717.967956][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6717.968334][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6717.968334][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6717.968334][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6717.968334][ T74] fib6_nh_init+0xa22/0x1580 [ 6717.968334][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6717.968334][ T74] ip6_route_add+0x1c/0x140 [ 6717.968334][ T74] inet6_rtm_newroute+0x104/0x110 [ 6717.968334][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6717.968334][ T74] netlink_rcv_skb+0x130/0x360 [ 6717.968334][ T74] netlink_unicast+0x449/0x710 [ 6717.968334][ T74] netlink_sendmsg+0x723/0xbe0 [ 6717.968334][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6717.968334][ T74] ___sys_sendmsg+0xee/0x170 [ 6717.968334][ T74] __sys_sendmsg+0xcd/0x170 [ 6717.968334][ T74] do_syscall_64+0xc6/0x1e0 [ 6717.968334][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6717.968334][ T74] [ 6717.970227][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6717.970227][ T74] netdev_get_by_index+0x5e/0x80 [ 6717.970227][ T74] fib6_nh_init+0x3d8/0x1580 [ 6717.970227][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6717.970227][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6717.970227][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6717.970227][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6717.970227][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6717.970227][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6717.970227][ T74] addrconf_dad_begin+0x310/0x670 [ 6717.970227][ T74] addrconf_dad_work+0x10b/0xab0 [ 6717.970227][ T74] process_one_work+0x84d/0x18a0 [ 6717.970227][ T74] worker_thread+0x587/0xd30 [ 6717.970227][ T74] kthread+0x28a/0x350 [ 6717.970227][ T74] ret_from_fork+0x31/0x70 [ 6717.970227][ T74] ret_from_fork_asm+0x1a/0x30 [ 6717.970227][ T74] [ 6717.972148][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6717.972148][ T74] netdev_get_by_index+0x5e/0x80 [ 6717.972148][ T74] fib6_nh_init+0x3d8/0x1580 [ 6717.972148][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6717.972148][ T74] ip6_route_add+0x1c/0x140 [ 6717.972148][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6717.972148][ T74] inet6_addr_add+0x4f8/0xa40 [ 6717.972148][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6717.972148][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6717.972148][ T74] netlink_rcv_skb+0x130/0x360 [ 6717.972148][ T74] netlink_unicast+0x449/0x710 [ 6717.972148][ T74] netlink_sendmsg+0x723/0xbe0 [ 6717.972148][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6717.972148][ T74] ___sys_sendmsg+0xee/0x170 [ 6717.972148][ T74] __sys_sendmsg+0xcd/0x170 [ 6717.972148][ T74] do_syscall_64+0xc6/0x1e0 [ 6717.972148][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6717.972148][ T74] [ 6717.974138][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6717.974138][ T74] netdev_get_by_index+0x5e/0x80 [ 6717.974138][ T74] fib6_nh_init+0x3d8/0x1580 [ 6717.974138][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6717.974138][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6717.974138][ T74] ipv6_add_addr+0x411/0x2000 [ 6717.974138][ T74] inet6_addr_add+0x30e/0xa40 [ 6717.974138][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6717.974138][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6717.974138][ T74] netlink_rcv_skb+0x130/0x360 [ 6717.974138][ T74] netlink_unicast+0x449/0x710 [ 6717.974138][ T74] netlink_sendmsg+0x723/0xbe0 [ 6717.974138][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6717.974138][ T74] ___sys_sendmsg+0xee/0x170 [ 6717.974138][ T74] __sys_sendmsg+0xcd/0x170 [ 6717.974138][ T74] do_syscall_64+0xc6/0x1e0 [ 6717.974138][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6717.974138][ T74] [ 6717.976129][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6717.976129][ T74] netdev_get_by_index+0x5e/0x80 [ 6717.976129][ T74] fib6_nh_init+0x3d8/0x1580 [ 6717.976129][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6717.976129][ T74] ip6_route_add+0x1c/0x140 [ 6717.976129][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6717.976129][ T74] addrconf_add_dev+0xe2/0x170 [ 6717.976129][ T74] inet6_addr_add+0x12f/0xa40 [ 6717.976129][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6717.976129][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6717.976129][ T74] netlink_rcv_skb+0x130/0x360 [ 6717.976129][ T74] netlink_unicast+0x449/0x710 [ 6717.976129][ T74] netlink_sendmsg+0x723/0xbe0 [ 6717.976129][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6717.976129][ T74] ___sys_sendmsg+0xee/0x170 [ 6717.976129][ T74] __sys_sendmsg+0xcd/0x170 [ 6717.976129][ T74] do_syscall_64+0xc6/0x1e0 [ 6717.976129][ T74] [ 6717.978083][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6717.978083][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6717.978083][ T74] ipv6_find_idev+0x102/0x170 [ 6717.978083][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6717.978083][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6717.978083][ T74] netlink_rcv_skb+0x130/0x360 [ 6717.978083][ T74] netlink_unicast+0x449/0x710 [ 6717.978083][ T74] netlink_sendmsg+0x723/0xbe0 [ 6717.978083][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6717.978083][ T74] ___sys_sendmsg+0xee/0x170 [ 6717.978083][ T74] __sys_sendmsg+0xcd/0x170 [ 6717.978083][ T74] do_syscall_64+0xc6/0x1e0 [ 6717.978083][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6717.978083][ T74] [ 6717.979623][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6717.979623][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6717.979623][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6717.979623][ T74] ipv6_find_idev+0x102/0x170 [ 6717.979623][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6717.979623][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6717.979623][ T74] netlink_rcv_skb+0x130/0x360 [ 6717.979623][ T74] netlink_unicast+0x449/0x710 [ 6717.979623][ T74] netlink_sendmsg+0x723/0xbe0 [ 6717.979623][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6717.979623][ T74] ___sys_sendmsg+0xee/0x170 [ 6717.979623][ T74] __sys_sendmsg+0xcd/0x170 [ 6717.979623][ T74] do_syscall_64+0xc6/0x1e0 [ 6717.979623][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6717.979623][ T74] [ 6717.981307][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6717.981583][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6717.981583][ T74] dst_init+0x84/0x4a0 [ 6717.981583][ T74] dst_alloc+0x97/0x150 [ 6717.981583][ T74] ip6_dst_alloc+0x23/0x90 [ 6717.981583][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6717.981583][ T74] ip6_pol_route+0x56f/0x840 [ 6717.981583][ T74] fib6_rule_lookup+0x456/0x630 [ 6717.981583][ T74] ip6_route_input+0x59c/0xa50 [ 6717.981583][ T74] ipv6_rcv+0x397/0x810 [ 6717.981583][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6717.981583][ T74] process_backlog+0x101/0x620 [ 6717.981583][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6717.981583][ T74] net_rx_action+0x495/0xbe0 [ 6717.981583][ T74] __do_softirq+0x1b5/0x7f6 [ 6717.981583][ T74] [ 6717.983210][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6717.983210][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6717.983210][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6717.983210][ T74] fib6_nh_init+0xa22/0x1580 [ 6717.983210][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6717.983210][ T74] ip6_route_add+0x1c/0x140 [ 6717.983210][ T74] inet6_rtm_newroute+0x104/0x110 [ 6717.983210][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6717.983210][ T74] netlink_rcv_skb+0x130/0x360 [ 6717.983210][ T74] netlink_unicast+0x449/0x710 [ 6717.983210][ T74] netlink_sendmsg+0x723/0xbe0 [ 6717.983210][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6717.983210][ T74] ___sys_sendmsg+0xee/0x170 [ 6717.983210][ T74] __sys_sendmsg+0xcd/0x170 [ 6717.983210][ T74] do_syscall_64+0xc6/0x1e0 [ 6717.983210][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6717.983210][ T74] [ 6717.985070][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6717.985070][ T74] netdev_get_by_index+0x5e/0x80 [ 6717.985070][ T74] fib6_nh_init+0x3d8/0x1580 [ 6717.985070][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6717.985070][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6717.985070][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6717.985070][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6717.985070][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6717.985070][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6717.985070][ T74] addrconf_dad_begin+0x310/0x670 [ 6717.985070][ T74] addrconf_dad_work+0x10b/0xab0 [ 6717.985070][ T74] process_one_work+0x84d/0x18a0 [ 6717.985070][ T74] worker_thread+0x587/0xd30 [ 6717.985070][ T74] kthread+0x28a/0x350 [ 6717.985070][ T74] ret_from_fork+0x31/0x70 [ 6717.985070][ T74] ret_from_fork_asm+0x1a/0x30 [ 6717.985070][ T74] [ 6717.986962][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6717.986962][ T74] netdev_get_by_index+0x5e/0x80 [ 6717.986962][ T74] fib6_nh_init+0x3d8/0x1580 [ 6717.986962][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6717.986962][ T74] ip6_route_add+0x1c/0x140 [ 6717.986962][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6717.986962][ T74] inet6_addr_add+0x4f8/0xa40 [ 6717.986962][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6717.986962][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6717.986962][ T74] netlink_rcv_skb+0x130/0x360 [ 6717.986962][ T74] netlink_unicast+0x449/0x710 [ 6717.986962][ T74] netlink_sendmsg+0x723/0xbe0 [ 6717.986962][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6717.986962][ T74] ___sys_sendmsg+0xee/0x170 [ 6717.986962][ T74] __sys_sendmsg+0xcd/0x170 [ 6717.986962][ T74] do_syscall_64+0xc6/0x1e0 [ 6717.986962][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6717.986962][ T74] [ 6717.988963][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6717.988963][ T74] netdev_get_by_index+0x5e/0x80 [ 6717.988963][ T74] fib6_nh_init+0x3d8/0x1580 [ 6717.988963][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6717.988963][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6717.988963][ T74] ipv6_add_addr+0x411/0x2000 [ 6717.988963][ T74] inet6_addr_add+0x30e/0xa40 [ 6717.988963][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6717.988963][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6717.988963][ T74] netlink_rcv_skb+0x130/0x360 [ 6717.988963][ T74] netlink_unicast+0x449/0x710 [ 6717.988963][ T74] netlink_sendmsg+0x723/0xbe0 [ 6717.988963][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6717.988963][ T74] ___sys_sendmsg+0xee/0x170 [ 6717.988963][ T74] __sys_sendmsg+0xcd/0x170 [ 6717.988963][ T74] do_syscall_64+0xc6/0x1e0 [ 6717.988963][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6717.988963][ T74] [ 6717.990947][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6717.990947][ T74] netdev_get_by_index+0x5e/0x80 [ 6717.990947][ T74] fib6_nh_init+0x3d8/0x1580 [ 6717.990947][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6717.990947][ T74] ip6_route_add+0x1c/0x140 [ 6717.990947][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6717.990947][ T74] addrconf_add_dev+0xe2/0x170 [ 6717.990947][ T74] inet6_addr_add+0x12f/0xa40 [ 6717.990947][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6717.990947][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6717.990947][ T74] netlink_rcv_skb+0x130/0x360 [ 6717.990947][ T74] netlink_unicast+0x449/0x710 [ 6717.990947][ T74] netlink_sendmsg+0x723/0xbe0 [ 6717.990947][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6717.990947][ T74] ___sys_sendmsg+0xee/0x170 [ 6717.990947][ T74] __sys_sendmsg+0xcd/0x170 [ 6717.990947][ T74] do_syscall_64+0xc6/0x1e0 [ 6717.990947][ T74] [ 6717.992897][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6717.992897][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6717.992897][ T74] ipv6_find_idev+0x102/0x170 [ 6717.992897][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6717.992897][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6717.992897][ T74] netlink_rcv_skb+0x130/0x360 [ 6717.992897][ T74] netlink_unicast+0x449/0x710 [ 6717.992897][ T74] netlink_sendmsg+0x723/0xbe0 [ 6717.992897][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6717.992897][ T74] ___sys_sendmsg+0xee/0x170 [ 6717.992897][ T74] __sys_sendmsg+0xcd/0x170 [ 6717.992897][ T74] do_syscall_64+0xc6/0x1e0 [ 6717.992897][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6717.992897][ T74] [ 6717.994544][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6717.994544][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6717.994544][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6717.994544][ T74] ipv6_find_idev+0x102/0x170 [ 6717.994544][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6717.994544][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6717.994544][ T74] netlink_rcv_skb+0x130/0x360 [ 6717.994544][ T74] netlink_unicast+0x449/0x710 [ 6717.994544][ T74] netlink_sendmsg+0x723/0xbe0 [ 6717.994544][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6717.994544][ T74] ___sys_sendmsg+0xee/0x170 [ 6717.994544][ T74] __sys_sendmsg+0xcd/0x170 [ 6717.994544][ T74] do_syscall_64+0xc6/0x1e0 [ 6717.994544][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6717.994544][ T74] [ 6717.996528][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6717.996762][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6717.996762][ T74] netdev_get_by_index+0x5e/0x80 [ 6717.996762][ T74] fib6_nh_init+0x3d8/0x1580 [ 6717.996762][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6717.996762][ T74] ip6_route_add+0x1c/0x140 [ 6717.996762][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6717.996762][ T74] inet6_addr_add+0x4f8/0xa40 [ 6717.996762][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6717.996762][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6717.996762][ T74] netlink_rcv_skb+0x130/0x360 [ 6717.996762][ T74] netlink_unicast+0x449/0x710 [ 6717.996762][ T74] netlink_sendmsg+0x723/0xbe0 [ 6717.996762][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6717.996762][ T74] ___sys_sendmsg+0xee/0x170 [ 6717.996762][ T74] __sys_sendmsg+0xcd/0x170 [ 6717.996762][ T74] do_syscall_64+0xc6/0x1e0 [ 6717.996762][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6717.996762][ T74] [ 6717.999013][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6717.999013][ T74] netdev_get_by_index+0x5e/0x80 [ 6717.999013][ T74] fib6_nh_init+0x3d8/0x1580 [ 6717.999013][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6717.999013][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6717.999013][ T74] ipv6_add_addr+0x411/0x2000 [ 6717.999013][ T74] inet6_addr_add+0x30e/0xa40 [ 6717.999013][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6717.999013][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6717.999013][ T74] netlink_rcv_skb+0x130/0x360 [ 6717.999013][ T74] netlink_unicast+0x449/0x710 [ 6717.999013][ T74] netlink_sendmsg+0x723/0xbe0 [ 6717.999013][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6717.999013][ T74] ___sys_sendmsg+0xee/0x170 [ 6717.999013][ T74] __sys_sendmsg+0xcd/0x170 [ 6717.999013][ T74] do_syscall_64+0xc6/0x1e0 [ 6717.999013][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6717.999013][ T74] [ 6718.001235][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6718.001235][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6718.001235][ T74] ipv6_find_idev+0x102/0x170 [ 6718.001235][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6718.001235][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6718.001235][ T74] netlink_rcv_skb+0x130/0x360 [ 6718.001235][ T74] netlink_unicast+0x449/0x710 [ 6718.001235][ T74] netlink_sendmsg+0x723/0xbe0 [ 6718.001235][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6718.001235][ T74] ___sys_sendmsg+0xee/0x170 [ 6718.001235][ T74] __sys_sendmsg+0xcd/0x170 [ 6718.001235][ T74] do_syscall_64+0xc6/0x1e0 [ 6718.001235][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6718.001235][ T74] [ 6718.002942][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6718.002942][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6718.002942][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6718.002942][ T74] ipv6_find_idev+0x102/0x170 [ 6718.002942][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6718.002942][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6718.002942][ T74] netlink_rcv_skb+0x130/0x360 [ 6718.002942][ T74] netlink_unicast+0x449/0x710 [ 6718.002942][ T74] netlink_sendmsg+0x723/0xbe0 [ 6718.002942][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6718.002942][ T74] ___sys_sendmsg+0xee/0x170 [ 6718.002942][ T74] __sys_sendmsg+0xcd/0x170 [ 6718.002942][ T74] do_syscall_64+0xc6/0x1e0 [ 6718.002942][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6718.002942][ T74] [ 6728.239971][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6728.240424][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6728.240424][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6728.240424][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6728.240424][ T74] fib6_nh_init+0xa22/0x1580 [ 6728.240424][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6728.240424][ T74] ip6_route_add+0x1c/0x140 [ 6728.240424][ T74] inet6_rtm_newroute+0x104/0x110 [ 6728.240424][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6728.240424][ T74] netlink_rcv_skb+0x130/0x360 [ 6728.240424][ T74] netlink_unicast+0x449/0x710 [ 6728.240424][ T74] netlink_sendmsg+0x723/0xbe0 [ 6728.240424][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6728.240424][ T74] ___sys_sendmsg+0xee/0x170 [ 6728.240424][ T74] __sys_sendmsg+0xcd/0x170 [ 6728.240424][ T74] do_syscall_64+0xc6/0x1e0 [ 6728.240424][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6728.240424][ T74] [ 6728.242315][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6728.242315][ T74] netdev_get_by_index+0x5e/0x80 [ 6728.242315][ T74] fib6_nh_init+0x3d8/0x1580 [ 6728.242315][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6728.242315][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6728.242315][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6728.242315][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6728.242315][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6728.242315][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6728.242315][ T74] addrconf_dad_begin+0x310/0x670 [ 6728.242315][ T74] addrconf_dad_work+0x10b/0xab0 [ 6728.242315][ T74] process_one_work+0x84d/0x18a0 [ 6728.242315][ T74] worker_thread+0x587/0xd30 [ 6728.242315][ T74] kthread+0x28a/0x350 [ 6728.242315][ T74] ret_from_fork+0x31/0x70 [ 6728.242315][ T74] ret_from_fork_asm+0x1a/0x30 [ 6728.242315][ T74] [ 6728.244251][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6728.244251][ T74] netdev_get_by_index+0x5e/0x80 [ 6728.244251][ T74] fib6_nh_init+0x3d8/0x1580 [ 6728.244251][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6728.244251][ T74] ip6_route_add+0x1c/0x140 [ 6728.244251][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6728.244251][ T74] inet6_addr_add+0x4f8/0xa40 [ 6728.244251][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6728.244251][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6728.244251][ T74] netlink_rcv_skb+0x130/0x360 [ 6728.244251][ T74] netlink_unicast+0x449/0x710 [ 6728.244251][ T74] netlink_sendmsg+0x723/0xbe0 [ 6728.244251][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6728.244251][ T74] ___sys_sendmsg+0xee/0x170 [ 6728.244251][ T74] __sys_sendmsg+0xcd/0x170 [ 6728.244251][ T74] do_syscall_64+0xc6/0x1e0 [ 6728.244251][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6728.244251][ T74] [ 6728.246235][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6728.246235][ T74] netdev_get_by_index+0x5e/0x80 [ 6728.246235][ T74] fib6_nh_init+0x3d8/0x1580 [ 6728.246235][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6728.246235][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6728.246235][ T74] ipv6_add_addr+0x411/0x2000 [ 6728.246235][ T74] inet6_addr_add+0x30e/0xa40 [ 6728.246235][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6728.246235][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6728.246235][ T74] netlink_rcv_skb+0x130/0x360 [ 6728.246235][ T74] netlink_unicast+0x449/0x710 [ 6728.246235][ T74] netlink_sendmsg+0x723/0xbe0 [ 6728.246235][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6728.246235][ T74] ___sys_sendmsg+0xee/0x170 [ 6728.246235][ T74] __sys_sendmsg+0xcd/0x170 [ 6728.246235][ T74] do_syscall_64+0xc6/0x1e0 [ 6728.246235][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6728.246235][ T74] [ 6728.248232][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6728.248232][ T74] netdev_get_by_index+0x5e/0x80 [ 6728.248232][ T74] fib6_nh_init+0x3d8/0x1580 [ 6728.248232][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6728.248232][ T74] ip6_route_add+0x1c/0x140 [ 6728.248232][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6728.248232][ T74] addrconf_add_dev+0xe2/0x170 [ 6728.248232][ T74] inet6_addr_add+0x12f/0xa40 [ 6728.248232][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6728.248232][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6728.248232][ T74] netlink_rcv_skb+0x130/0x360 [ 6728.248232][ T74] netlink_unicast+0x449/0x710 [ 6728.248232][ T74] netlink_sendmsg+0x723/0xbe0 [ 6728.248232][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6728.248232][ T74] ___sys_sendmsg+0xee/0x170 [ 6728.248232][ T74] __sys_sendmsg+0xcd/0x170 [ 6728.248232][ T74] do_syscall_64+0xc6/0x1e0 [ 6728.248232][ T74] [ 6728.250180][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6728.250180][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6728.250180][ T74] ipv6_find_idev+0x102/0x170 [ 6728.250180][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6728.250180][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6728.250180][ T74] netlink_rcv_skb+0x130/0x360 [ 6728.250180][ T74] netlink_unicast+0x449/0x710 [ 6728.250180][ T74] netlink_sendmsg+0x723/0xbe0 [ 6728.250180][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6728.250180][ T74] ___sys_sendmsg+0xee/0x170 [ 6728.250180][ T74] __sys_sendmsg+0xcd/0x170 [ 6728.250180][ T74] do_syscall_64+0xc6/0x1e0 [ 6728.250180][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6728.250180][ T74] [ 6728.251705][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6728.251705][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6728.251705][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6728.251705][ T74] ipv6_find_idev+0x102/0x170 [ 6728.251705][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6728.251705][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6728.251705][ T74] netlink_rcv_skb+0x130/0x360 [ 6728.251705][ T74] netlink_unicast+0x449/0x710 [ 6728.251705][ T74] netlink_sendmsg+0x723/0xbe0 [ 6728.251705][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6728.251705][ T74] ___sys_sendmsg+0xee/0x170 [ 6728.251705][ T74] __sys_sendmsg+0xcd/0x170 [ 6728.251705][ T74] do_syscall_64+0xc6/0x1e0 [ 6728.251705][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6728.251705][ T74] [ 6728.253380][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6728.253652][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6728.253652][ T74] dst_init+0x84/0x4a0 [ 6728.253652][ T74] dst_alloc+0x97/0x150 [ 6728.253652][ T74] ip6_dst_alloc+0x23/0x90 [ 6728.253652][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6728.253652][ T74] ip6_pol_route+0x56f/0x840 [ 6728.253652][ T74] fib6_rule_lookup+0x456/0x630 [ 6728.253652][ T74] ip6_route_input+0x59c/0xa50 [ 6728.253652][ T74] ipv6_rcv+0x397/0x810 [ 6728.253652][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6728.253652][ T74] process_backlog+0x101/0x620 [ 6728.253652][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6728.253652][ T74] net_rx_action+0x495/0xbe0 [ 6728.253652][ T74] __do_softirq+0x1b5/0x7f6 [ 6728.253652][ T74] [ 6728.255278][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6728.255278][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6728.255278][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6728.255278][ T74] fib6_nh_init+0xa22/0x1580 [ 6728.255278][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6728.255278][ T74] ip6_route_add+0x1c/0x140 [ 6728.255278][ T74] inet6_rtm_newroute+0x104/0x110 [ 6728.255278][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6728.255278][ T74] netlink_rcv_skb+0x130/0x360 [ 6728.255278][ T74] netlink_unicast+0x449/0x710 [ 6728.255278][ T74] netlink_sendmsg+0x723/0xbe0 [ 6728.255278][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6728.255278][ T74] ___sys_sendmsg+0xee/0x170 [ 6728.255278][ T74] __sys_sendmsg+0xcd/0x170 [ 6728.255278][ T74] do_syscall_64+0xc6/0x1e0 [ 6728.255278][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6728.255278][ T74] [ 6728.257155][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6728.257155][ T74] netdev_get_by_index+0x5e/0x80 [ 6728.257155][ T74] fib6_nh_init+0x3d8/0x1580 [ 6728.257155][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6728.257155][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6728.257155][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6728.257155][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6728.257155][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6728.257155][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6728.257155][ T74] addrconf_dad_begin+0x310/0x670 [ 6728.257155][ T74] addrconf_dad_work+0x10b/0xab0 [ 6728.257155][ T74] process_one_work+0x84d/0x18a0 [ 6728.257155][ T74] worker_thread+0x587/0xd30 [ 6728.257155][ T74] kthread+0x28a/0x350 [ 6728.257155][ T74] ret_from_fork+0x31/0x70 [ 6728.257155][ T74] ret_from_fork_asm+0x1a/0x30 [ 6728.257155][ T74] [ 6728.259047][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6728.259047][ T74] netdev_get_by_index+0x5e/0x80 [ 6728.259047][ T74] fib6_nh_init+0x3d8/0x1580 [ 6728.259047][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6728.259047][ T74] ip6_route_add+0x1c/0x140 [ 6728.259047][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6728.259047][ T74] inet6_addr_add+0x4f8/0xa40 [ 6728.259047][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6728.259047][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6728.259047][ T74] netlink_rcv_skb+0x130/0x360 [ 6728.259047][ T74] netlink_unicast+0x449/0x710 [ 6728.259047][ T74] netlink_sendmsg+0x723/0xbe0 [ 6728.259047][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6728.259047][ T74] ___sys_sendmsg+0xee/0x170 [ 6728.259047][ T74] __sys_sendmsg+0xcd/0x170 [ 6728.259047][ T74] do_syscall_64+0xc6/0x1e0 [ 6728.259047][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6728.259047][ T74] [ 6728.261033][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6728.261033][ T74] netdev_get_by_index+0x5e/0x80 [ 6728.261033][ T74] fib6_nh_init+0x3d8/0x1580 [ 6728.261033][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6728.261033][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6728.261033][ T74] ipv6_add_addr+0x411/0x2000 [ 6728.261033][ T74] inet6_addr_add+0x30e/0xa40 [ 6728.261033][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6728.261033][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6728.261033][ T74] netlink_rcv_skb+0x130/0x360 [ 6728.261033][ T74] netlink_unicast+0x449/0x710 [ 6728.261033][ T74] netlink_sendmsg+0x723/0xbe0 [ 6728.261033][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6728.261033][ T74] ___sys_sendmsg+0xee/0x170 [ 6728.261033][ T74] __sys_sendmsg+0xcd/0x170 [ 6728.261033][ T74] do_syscall_64+0xc6/0x1e0 [ 6728.261033][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6728.261033][ T74] [ 6728.263015][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6728.263015][ T74] netdev_get_by_index+0x5e/0x80 [ 6728.263015][ T74] fib6_nh_init+0x3d8/0x1580 [ 6728.263015][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6728.263015][ T74] ip6_route_add+0x1c/0x140 [ 6728.263015][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6728.263015][ T74] addrconf_add_dev+0xe2/0x170 [ 6728.263015][ T74] inet6_addr_add+0x12f/0xa40 [ 6728.263015][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6728.263015][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6728.263015][ T74] netlink_rcv_skb+0x130/0x360 [ 6728.263015][ T74] netlink_unicast+0x449/0x710 [ 6728.263015][ T74] netlink_sendmsg+0x723/0xbe0 [ 6728.263015][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6728.263015][ T74] ___sys_sendmsg+0xee/0x170 [ 6728.263015][ T74] __sys_sendmsg+0xcd/0x170 [ 6728.263015][ T74] do_syscall_64+0xc6/0x1e0 [ 6728.263015][ T74] [ 6728.264972][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6728.264972][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6728.264972][ T74] ipv6_find_idev+0x102/0x170 [ 6728.264972][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6728.264972][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6728.264972][ T74] netlink_rcv_skb+0x130/0x360 [ 6728.264972][ T74] netlink_unicast+0x449/0x710 [ 6728.264972][ T74] netlink_sendmsg+0x723/0xbe0 [ 6728.264972][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6728.264972][ T74] ___sys_sendmsg+0xee/0x170 [ 6728.264972][ T74] __sys_sendmsg+0xcd/0x170 [ 6728.264972][ T74] do_syscall_64+0xc6/0x1e0 [ 6728.264972][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6728.264972][ T74] [ 6728.266633][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6728.266633][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6728.266633][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6728.266633][ T74] ipv6_find_idev+0x102/0x170 [ 6728.266633][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6728.266633][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6728.266633][ T74] netlink_rcv_skb+0x130/0x360 [ 6728.266633][ T74] netlink_unicast+0x449/0x710 [ 6728.266633][ T74] netlink_sendmsg+0x723/0xbe0 [ 6728.266633][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6728.266633][ T74] ___sys_sendmsg+0xee/0x170 [ 6728.266633][ T74] __sys_sendmsg+0xcd/0x170 [ 6728.266633][ T74] do_syscall_64+0xc6/0x1e0 [ 6728.266633][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6728.266633][ T74] [ 6728.268619][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6728.268859][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6728.268859][ T74] netdev_get_by_index+0x5e/0x80 [ 6728.268859][ T74] fib6_nh_init+0x3d8/0x1580 [ 6728.268859][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6728.268859][ T74] ip6_route_add+0x1c/0x140 [ 6728.268859][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6728.268859][ T74] inet6_addr_add+0x4f8/0xa40 [ 6728.268859][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6728.268859][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6728.268859][ T74] netlink_rcv_skb+0x130/0x360 [ 6728.268859][ T74] netlink_unicast+0x449/0x710 [ 6728.268859][ T74] netlink_sendmsg+0x723/0xbe0 [ 6728.268859][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6728.268859][ T74] ___sys_sendmsg+0xee/0x170 [ 6728.268859][ T74] __sys_sendmsg+0xcd/0x170 [ 6728.268859][ T74] do_syscall_64+0xc6/0x1e0 [ 6728.268859][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6728.268859][ T74] [ 6728.271088][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6728.271088][ T74] netdev_get_by_index+0x5e/0x80 [ 6728.271088][ T74] fib6_nh_init+0x3d8/0x1580 [ 6728.271088][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6728.271088][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6728.271088][ T74] ipv6_add_addr+0x411/0x2000 [ 6728.271088][ T74] inet6_addr_add+0x30e/0xa40 [ 6728.271088][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6728.271088][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6728.271088][ T74] netlink_rcv_skb+0x130/0x360 [ 6728.271088][ T74] netlink_unicast+0x449/0x710 [ 6728.271088][ T74] netlink_sendmsg+0x723/0xbe0 [ 6728.271088][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6728.271088][ T74] ___sys_sendmsg+0xee/0x170 [ 6728.271088][ T74] __sys_sendmsg+0xcd/0x170 [ 6728.271088][ T74] do_syscall_64+0xc6/0x1e0 [ 6728.271088][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6728.271088][ T74] [ 6728.273313][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6728.273313][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6728.273313][ T74] ipv6_find_idev+0x102/0x170 [ 6728.273313][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6728.273313][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6728.273313][ T74] netlink_rcv_skb+0x130/0x360 [ 6728.273313][ T74] netlink_unicast+0x449/0x710 [ 6728.273313][ T74] netlink_sendmsg+0x723/0xbe0 [ 6728.273313][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6728.273313][ T74] ___sys_sendmsg+0xee/0x170 [ 6728.273313][ T74] __sys_sendmsg+0xcd/0x170 [ 6728.273313][ T74] do_syscall_64+0xc6/0x1e0 [ 6728.273313][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6728.273313][ T74] [ 6728.275028][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6728.275028][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6728.275028][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6728.275028][ T74] ipv6_find_idev+0x102/0x170 [ 6728.275028][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6728.275028][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6728.275028][ T74] netlink_rcv_skb+0x130/0x360 [ 6728.275028][ T74] netlink_unicast+0x449/0x710 [ 6728.275028][ T74] netlink_sendmsg+0x723/0xbe0 [ 6728.275028][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6728.275028][ T74] ___sys_sendmsg+0xee/0x170 [ 6728.275028][ T74] __sys_sendmsg+0xcd/0x170 [ 6728.275028][ T74] do_syscall_64+0xc6/0x1e0 [ 6728.275028][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6728.275028][ T74] [ 6738.319965][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6738.320389][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6738.320389][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6738.320389][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6738.320389][ T74] fib6_nh_init+0xa22/0x1580 [ 6738.320389][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6738.320389][ T74] ip6_route_add+0x1c/0x140 [ 6738.320389][ T74] inet6_rtm_newroute+0x104/0x110 [ 6738.320389][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6738.320389][ T74] netlink_rcv_skb+0x130/0x360 [ 6738.320389][ T74] netlink_unicast+0x449/0x710 [ 6738.320389][ T74] netlink_sendmsg+0x723/0xbe0 [ 6738.320389][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6738.320389][ T74] ___sys_sendmsg+0xee/0x170 [ 6738.320389][ T74] __sys_sendmsg+0xcd/0x170 [ 6738.320389][ T74] do_syscall_64+0xc6/0x1e0 [ 6738.320389][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6738.320389][ T74] [ 6738.322282][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6738.322282][ T74] netdev_get_by_index+0x5e/0x80 [ 6738.322282][ T74] fib6_nh_init+0x3d8/0x1580 [ 6738.322282][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6738.322282][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6738.322282][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6738.322282][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6738.322282][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6738.322282][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6738.322282][ T74] addrconf_dad_begin+0x310/0x670 [ 6738.322282][ T74] addrconf_dad_work+0x10b/0xab0 [ 6738.322282][ T74] process_one_work+0x84d/0x18a0 [ 6738.322282][ T74] worker_thread+0x587/0xd30 [ 6738.322282][ T74] kthread+0x28a/0x350 [ 6738.322282][ T74] ret_from_fork+0x31/0x70 [ 6738.322282][ T74] ret_from_fork_asm+0x1a/0x30 [ 6738.322282][ T74] [ 6738.324240][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6738.324240][ T74] netdev_get_by_index+0x5e/0x80 [ 6738.324240][ T74] fib6_nh_init+0x3d8/0x1580 [ 6738.324240][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6738.324240][ T74] ip6_route_add+0x1c/0x140 [ 6738.324240][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6738.324240][ T74] inet6_addr_add+0x4f8/0xa40 [ 6738.324240][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6738.324240][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6738.324240][ T74] netlink_rcv_skb+0x130/0x360 [ 6738.324240][ T74] netlink_unicast+0x449/0x710 [ 6738.324240][ T74] netlink_sendmsg+0x723/0xbe0 [ 6738.324240][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6738.324240][ T74] ___sys_sendmsg+0xee/0x170 [ 6738.324240][ T74] __sys_sendmsg+0xcd/0x170 [ 6738.324240][ T74] do_syscall_64+0xc6/0x1e0 [ 6738.324240][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6738.324240][ T74] [ 6738.326232][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6738.326232][ T74] netdev_get_by_index+0x5e/0x80 [ 6738.326232][ T74] fib6_nh_init+0x3d8/0x1580 [ 6738.326232][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6738.326232][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6738.326232][ T74] ipv6_add_addr+0x411/0x2000 [ 6738.326232][ T74] inet6_addr_add+0x30e/0xa40 [ 6738.326232][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6738.326232][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6738.326232][ T74] netlink_rcv_skb+0x130/0x360 [ 6738.326232][ T74] netlink_unicast+0x449/0x710 [ 6738.326232][ T74] netlink_sendmsg+0x723/0xbe0 [ 6738.326232][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6738.326232][ T74] ___sys_sendmsg+0xee/0x170 [ 6738.326232][ T74] __sys_sendmsg+0xcd/0x170 [ 6738.326232][ T74] do_syscall_64+0xc6/0x1e0 [ 6738.326232][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6738.326232][ T74] [ 6738.328236][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6738.328236][ T74] netdev_get_by_index+0x5e/0x80 [ 6738.328236][ T74] fib6_nh_init+0x3d8/0x1580 [ 6738.328236][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6738.328236][ T74] ip6_route_add+0x1c/0x140 [ 6738.328236][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6738.328236][ T74] addrconf_add_dev+0xe2/0x170 [ 6738.328236][ T74] inet6_addr_add+0x12f/0xa40 [ 6738.328236][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6738.328236][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6738.328236][ T74] netlink_rcv_skb+0x130/0x360 [ 6738.328236][ T74] netlink_unicast+0x449/0x710 [ 6738.328236][ T74] netlink_sendmsg+0x723/0xbe0 [ 6738.328236][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6738.328236][ T74] ___sys_sendmsg+0xee/0x170 [ 6738.328236][ T74] __sys_sendmsg+0xcd/0x170 [ 6738.328236][ T74] do_syscall_64+0xc6/0x1e0 [ 6738.328236][ T74] [ 6738.330208][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6738.330208][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6738.330208][ T74] ipv6_find_idev+0x102/0x170 [ 6738.330208][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6738.330208][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6738.330208][ T74] netlink_rcv_skb+0x130/0x360 [ 6738.330208][ T74] netlink_unicast+0x449/0x710 [ 6738.330208][ T74] netlink_sendmsg+0x723/0xbe0 [ 6738.330208][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6738.330208][ T74] ___sys_sendmsg+0xee/0x170 [ 6738.330208][ T74] __sys_sendmsg+0xcd/0x170 [ 6738.330208][ T74] do_syscall_64+0xc6/0x1e0 [ 6738.330208][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6738.330208][ T74] [ 6738.331742][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6738.331742][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6738.331742][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6738.331742][ T74] ipv6_find_idev+0x102/0x170 [ 6738.331742][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6738.331742][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6738.331742][ T74] netlink_rcv_skb+0x130/0x360 [ 6738.331742][ T74] netlink_unicast+0x449/0x710 [ 6738.331742][ T74] netlink_sendmsg+0x723/0xbe0 [ 6738.331742][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6738.331742][ T74] ___sys_sendmsg+0xee/0x170 [ 6738.331742][ T74] __sys_sendmsg+0xcd/0x170 [ 6738.331742][ T74] do_syscall_64+0xc6/0x1e0 [ 6738.331742][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6738.331742][ T74] [ 6738.333420][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6738.333689][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6738.333689][ T74] dst_init+0x84/0x4a0 [ 6738.333689][ T74] dst_alloc+0x97/0x150 [ 6738.333689][ T74] ip6_dst_alloc+0x23/0x90 [ 6738.333689][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6738.333689][ T74] ip6_pol_route+0x56f/0x840 [ 6738.333689][ T74] fib6_rule_lookup+0x456/0x630 [ 6738.333689][ T74] ip6_route_input+0x59c/0xa50 [ 6738.333689][ T74] ipv6_rcv+0x397/0x810 [ 6738.333689][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6738.333689][ T74] process_backlog+0x101/0x620 [ 6738.333689][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6738.333689][ T74] net_rx_action+0x495/0xbe0 [ 6738.333689][ T74] __do_softirq+0x1b5/0x7f6 [ 6738.333689][ T74] [ 6738.335320][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6738.335320][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6738.335320][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6738.335320][ T74] fib6_nh_init+0xa22/0x1580 [ 6738.335320][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6738.335320][ T74] ip6_route_add+0x1c/0x140 [ 6738.335320][ T74] inet6_rtm_newroute+0x104/0x110 [ 6738.335320][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6738.335320][ T74] netlink_rcv_skb+0x130/0x360 [ 6738.335320][ T74] netlink_unicast+0x449/0x710 [ 6738.335320][ T74] netlink_sendmsg+0x723/0xbe0 [ 6738.335320][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6738.335320][ T74] ___sys_sendmsg+0xee/0x170 [ 6738.335320][ T74] __sys_sendmsg+0xcd/0x170 [ 6738.335320][ T74] do_syscall_64+0xc6/0x1e0 [ 6738.335320][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6738.335320][ T74] [ 6738.337200][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6738.337200][ T74] netdev_get_by_index+0x5e/0x80 [ 6738.337200][ T74] fib6_nh_init+0x3d8/0x1580 [ 6738.337200][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6738.337200][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6738.337200][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6738.337200][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6738.337200][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6738.337200][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6738.337200][ T74] addrconf_dad_begin+0x310/0x670 [ 6738.337200][ T74] addrconf_dad_work+0x10b/0xab0 [ 6738.337200][ T74] process_one_work+0x84d/0x18a0 [ 6738.337200][ T74] worker_thread+0x587/0xd30 [ 6738.337200][ T74] kthread+0x28a/0x350 [ 6738.337200][ T74] ret_from_fork+0x31/0x70 [ 6738.337200][ T74] ret_from_fork_asm+0x1a/0x30 [ 6738.337200][ T74] [ 6738.339098][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6738.339098][ T74] netdev_get_by_index+0x5e/0x80 [ 6738.339098][ T74] fib6_nh_init+0x3d8/0x1580 [ 6738.339098][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6738.339098][ T74] ip6_route_add+0x1c/0x140 [ 6738.339098][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6738.339098][ T74] inet6_addr_add+0x4f8/0xa40 [ 6738.339098][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6738.339098][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6738.339098][ T74] netlink_rcv_skb+0x130/0x360 [ 6738.339098][ T74] netlink_unicast+0x449/0x710 [ 6738.339098][ T74] netlink_sendmsg+0x723/0xbe0 [ 6738.339098][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6738.339098][ T74] ___sys_sendmsg+0xee/0x170 [ 6738.339098][ T74] __sys_sendmsg+0xcd/0x170 [ 6738.339098][ T74] do_syscall_64+0xc6/0x1e0 [ 6738.339098][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6738.339098][ T74] [ 6738.341085][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6738.341085][ T74] netdev_get_by_index+0x5e/0x80 [ 6738.341085][ T74] fib6_nh_init+0x3d8/0x1580 [ 6738.341085][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6738.341085][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6738.341085][ T74] ipv6_add_addr+0x411/0x2000 [ 6738.341085][ T74] inet6_addr_add+0x30e/0xa40 [ 6738.341085][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6738.341085][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6738.341085][ T74] netlink_rcv_skb+0x130/0x360 [ 6738.341085][ T74] netlink_unicast+0x449/0x710 [ 6738.341085][ T74] netlink_sendmsg+0x723/0xbe0 [ 6738.341085][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6738.341085][ T74] ___sys_sendmsg+0xee/0x170 [ 6738.341085][ T74] __sys_sendmsg+0xcd/0x170 [ 6738.341085][ T74] do_syscall_64+0xc6/0x1e0 [ 6738.341085][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6738.341085][ T74] [ 6738.343070][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6738.343070][ T74] netdev_get_by_index+0x5e/0x80 [ 6738.343070][ T74] fib6_nh_init+0x3d8/0x1580 [ 6738.343070][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6738.343070][ T74] ip6_route_add+0x1c/0x140 [ 6738.343070][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6738.343070][ T74] addrconf_add_dev+0xe2/0x170 [ 6738.343070][ T74] inet6_addr_add+0x12f/0xa40 [ 6738.343070][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6738.343070][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6738.343070][ T74] netlink_rcv_skb+0x130/0x360 [ 6738.343070][ T74] netlink_unicast+0x449/0x710 [ 6738.343070][ T74] netlink_sendmsg+0x723/0xbe0 [ 6738.343070][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6738.343070][ T74] ___sys_sendmsg+0xee/0x170 [ 6738.343070][ T74] __sys_sendmsg+0xcd/0x170 [ 6738.343070][ T74] do_syscall_64+0xc6/0x1e0 [ 6738.343070][ T74] [ 6738.345023][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6738.345023][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6738.345023][ T74] ipv6_find_idev+0x102/0x170 [ 6738.345023][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6738.345023][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6738.345023][ T74] netlink_rcv_skb+0x130/0x360 [ 6738.345023][ T74] netlink_unicast+0x449/0x710 [ 6738.345023][ T74] netlink_sendmsg+0x723/0xbe0 [ 6738.345023][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6738.345023][ T74] ___sys_sendmsg+0xee/0x170 [ 6738.345023][ T74] __sys_sendmsg+0xcd/0x170 [ 6738.345023][ T74] do_syscall_64+0xc6/0x1e0 [ 6738.345023][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6738.345023][ T74] [ 6738.346677][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6738.346677][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6738.346677][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6738.346677][ T74] ipv6_find_idev+0x102/0x170 [ 6738.346677][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6738.346677][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6738.346677][ T74] netlink_rcv_skb+0x130/0x360 [ 6738.346677][ T74] netlink_unicast+0x449/0x710 [ 6738.346677][ T74] netlink_sendmsg+0x723/0xbe0 [ 6738.346677][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6738.346677][ T74] ___sys_sendmsg+0xee/0x170 [ 6738.346677][ T74] __sys_sendmsg+0xcd/0x170 [ 6738.346677][ T74] do_syscall_64+0xc6/0x1e0 [ 6738.346677][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6738.346677][ T74] [ 6738.348691][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6738.348957][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6738.348957][ T74] netdev_get_by_index+0x5e/0x80 [ 6738.348957][ T74] fib6_nh_init+0x3d8/0x1580 [ 6738.348957][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6738.348957][ T74] ip6_route_add+0x1c/0x140 [ 6738.348957][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6738.348957][ T74] inet6_addr_add+0x4f8/0xa40 [ 6738.348957][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6738.348957][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6738.348957][ T74] netlink_rcv_skb+0x130/0x360 [ 6738.348957][ T74] netlink_unicast+0x449/0x710 [ 6738.348957][ T74] netlink_sendmsg+0x723/0xbe0 [ 6738.348957][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6738.348957][ T74] ___sys_sendmsg+0xee/0x170 [ 6738.348957][ T74] __sys_sendmsg+0xcd/0x170 [ 6738.348957][ T74] do_syscall_64+0xc6/0x1e0 [ 6738.348957][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6738.348957][ T74] [ 6738.351182][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6738.351182][ T74] netdev_get_by_index+0x5e/0x80 [ 6738.351182][ T74] fib6_nh_init+0x3d8/0x1580 [ 6738.351182][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6738.351182][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6738.351182][ T74] ipv6_add_addr+0x411/0x2000 [ 6738.351182][ T74] inet6_addr_add+0x30e/0xa40 [ 6738.351182][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6738.351182][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6738.351182][ T74] netlink_rcv_skb+0x130/0x360 [ 6738.351182][ T74] netlink_unicast+0x449/0x710 [ 6738.351182][ T74] netlink_sendmsg+0x723/0xbe0 [ 6738.351182][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6738.351182][ T74] ___sys_sendmsg+0xee/0x170 [ 6738.351182][ T74] __sys_sendmsg+0xcd/0x170 [ 6738.351182][ T74] do_syscall_64+0xc6/0x1e0 [ 6738.351182][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6738.351182][ T74] [ 6738.353397][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6738.353397][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6738.353397][ T74] ipv6_find_idev+0x102/0x170 [ 6738.353397][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6738.353397][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6738.353397][ T74] netlink_rcv_skb+0x130/0x360 [ 6738.353397][ T74] netlink_unicast+0x449/0x710 [ 6738.353397][ T74] netlink_sendmsg+0x723/0xbe0 [ 6738.353397][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6738.353397][ T74] ___sys_sendmsg+0xee/0x170 [ 6738.353397][ T74] __sys_sendmsg+0xcd/0x170 [ 6738.353397][ T74] do_syscall_64+0xc6/0x1e0 [ 6738.353397][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6738.353397][ T74] [ 6738.355049][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6738.355049][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6738.355049][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6738.355049][ T74] ipv6_find_idev+0x102/0x170 [ 6738.355049][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6738.355049][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6738.355049][ T74] netlink_rcv_skb+0x130/0x360 [ 6738.355049][ T74] netlink_unicast+0x449/0x710 [ 6738.355049][ T74] netlink_sendmsg+0x723/0xbe0 [ 6738.355049][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6738.355049][ T74] ___sys_sendmsg+0xee/0x170 [ 6738.355049][ T74] __sys_sendmsg+0xcd/0x170 [ 6738.355049][ T74] do_syscall_64+0xc6/0x1e0 [ 6738.355049][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6738.355049][ T74] [ 6748.599961][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6748.600378][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6748.600378][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6748.600378][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6748.600378][ T74] fib6_nh_init+0xa22/0x1580 [ 6748.600378][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6748.600378][ T74] ip6_route_add+0x1c/0x140 [ 6748.600378][ T74] inet6_rtm_newroute+0x104/0x110 [ 6748.600378][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6748.600378][ T74] netlink_rcv_skb+0x130/0x360 [ 6748.600378][ T74] netlink_unicast+0x449/0x710 [ 6748.600378][ T74] netlink_sendmsg+0x723/0xbe0 [ 6748.600378][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6748.600378][ T74] ___sys_sendmsg+0xee/0x170 [ 6748.600378][ T74] __sys_sendmsg+0xcd/0x170 [ 6748.600378][ T74] do_syscall_64+0xc6/0x1e0 [ 6748.600378][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6748.600378][ T74] [ 6748.602269][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6748.602269][ T74] netdev_get_by_index+0x5e/0x80 [ 6748.602269][ T74] fib6_nh_init+0x3d8/0x1580 [ 6748.602269][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6748.602269][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6748.602269][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6748.602269][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6748.602269][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6748.602269][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6748.602269][ T74] addrconf_dad_begin+0x310/0x670 [ 6748.602269][ T74] addrconf_dad_work+0x10b/0xab0 [ 6748.602269][ T74] process_one_work+0x84d/0x18a0 [ 6748.602269][ T74] worker_thread+0x587/0xd30 [ 6748.602269][ T74] kthread+0x28a/0x350 [ 6748.602269][ T74] ret_from_fork+0x31/0x70 [ 6748.602269][ T74] ret_from_fork_asm+0x1a/0x30 [ 6748.602269][ T74] [ 6748.604212][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6748.604212][ T74] netdev_get_by_index+0x5e/0x80 [ 6748.604212][ T74] fib6_nh_init+0x3d8/0x1580 [ 6748.604212][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6748.604212][ T74] ip6_route_add+0x1c/0x140 [ 6748.604212][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6748.604212][ T74] inet6_addr_add+0x4f8/0xa40 [ 6748.604212][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6748.604212][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6748.604212][ T74] netlink_rcv_skb+0x130/0x360 [ 6748.604212][ T74] netlink_unicast+0x449/0x710 [ 6748.604212][ T74] netlink_sendmsg+0x723/0xbe0 [ 6748.604212][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6748.604212][ T74] ___sys_sendmsg+0xee/0x170 [ 6748.604212][ T74] __sys_sendmsg+0xcd/0x170 [ 6748.604212][ T74] do_syscall_64+0xc6/0x1e0 [ 6748.604212][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6748.604212][ T74] [ 6748.606203][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6748.606203][ T74] netdev_get_by_index+0x5e/0x80 [ 6748.606203][ T74] fib6_nh_init+0x3d8/0x1580 [ 6748.606203][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6748.606203][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6748.606203][ T74] ipv6_add_addr+0x411/0x2000 [ 6748.606203][ T74] inet6_addr_add+0x30e/0xa40 [ 6748.606203][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6748.606203][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6748.606203][ T74] netlink_rcv_skb+0x130/0x360 [ 6748.606203][ T74] netlink_unicast+0x449/0x710 [ 6748.606203][ T74] netlink_sendmsg+0x723/0xbe0 [ 6748.606203][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6748.606203][ T74] ___sys_sendmsg+0xee/0x170 [ 6748.606203][ T74] __sys_sendmsg+0xcd/0x170 [ 6748.606203][ T74] do_syscall_64+0xc6/0x1e0 [ 6748.606203][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6748.606203][ T74] [ 6748.608222][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6748.608222][ T74] netdev_get_by_index+0x5e/0x80 [ 6748.608222][ T74] fib6_nh_init+0x3d8/0x1580 [ 6748.608222][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6748.608222][ T74] ip6_route_add+0x1c/0x140 [ 6748.608222][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6748.608222][ T74] addrconf_add_dev+0xe2/0x170 [ 6748.608222][ T74] inet6_addr_add+0x12f/0xa40 [ 6748.608222][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6748.608222][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6748.608222][ T74] netlink_rcv_skb+0x130/0x360 [ 6748.608222][ T74] netlink_unicast+0x449/0x710 [ 6748.608222][ T74] netlink_sendmsg+0x723/0xbe0 [ 6748.608222][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6748.608222][ T74] ___sys_sendmsg+0xee/0x170 [ 6748.608222][ T74] __sys_sendmsg+0xcd/0x170 [ 6748.608222][ T74] do_syscall_64+0xc6/0x1e0 [ 6748.608222][ T74] [ 6748.610175][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6748.610175][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6748.610175][ T74] ipv6_find_idev+0x102/0x170 [ 6748.610175][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6748.610175][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6748.610175][ T74] netlink_rcv_skb+0x130/0x360 [ 6748.610175][ T74] netlink_unicast+0x449/0x710 [ 6748.610175][ T74] netlink_sendmsg+0x723/0xbe0 [ 6748.610175][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6748.610175][ T74] ___sys_sendmsg+0xee/0x170 [ 6748.610175][ T74] __sys_sendmsg+0xcd/0x170 [ 6748.610175][ T74] do_syscall_64+0xc6/0x1e0 [ 6748.610175][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6748.610175][ T74] [ 6748.611709][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6748.611709][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6748.611709][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6748.611709][ T74] ipv6_find_idev+0x102/0x170 [ 6748.611709][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6748.611709][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6748.611709][ T74] netlink_rcv_skb+0x130/0x360 [ 6748.611709][ T74] netlink_unicast+0x449/0x710 [ 6748.611709][ T74] netlink_sendmsg+0x723/0xbe0 [ 6748.611709][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6748.611709][ T74] ___sys_sendmsg+0xee/0x170 [ 6748.611709][ T74] __sys_sendmsg+0xcd/0x170 [ 6748.611709][ T74] do_syscall_64+0xc6/0x1e0 [ 6748.611709][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6748.611709][ T74] [ 6748.613384][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6748.613659][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6748.613659][ T74] dst_init+0x84/0x4a0 [ 6748.613659][ T74] dst_alloc+0x97/0x150 [ 6748.613659][ T74] ip6_dst_alloc+0x23/0x90 [ 6748.613659][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6748.613659][ T74] ip6_pol_route+0x56f/0x840 [ 6748.613659][ T74] fib6_rule_lookup+0x456/0x630 [ 6748.613659][ T74] ip6_route_input+0x59c/0xa50 [ 6748.613659][ T74] ipv6_rcv+0x397/0x810 [ 6748.613659][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6748.613659][ T74] process_backlog+0x101/0x620 [ 6748.613659][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6748.613659][ T74] net_rx_action+0x495/0xbe0 [ 6748.613659][ T74] __do_softirq+0x1b5/0x7f6 [ 6748.613659][ T74] [ 6748.615280][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6748.615280][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6748.615280][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6748.615280][ T74] fib6_nh_init+0xa22/0x1580 [ 6748.615280][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6748.615280][ T74] ip6_route_add+0x1c/0x140 [ 6748.615280][ T74] inet6_rtm_newroute+0x104/0x110 [ 6748.615280][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6748.615280][ T74] netlink_rcv_skb+0x130/0x360 [ 6748.615280][ T74] netlink_unicast+0x449/0x710 [ 6748.615280][ T74] netlink_sendmsg+0x723/0xbe0 [ 6748.615280][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6748.615280][ T74] ___sys_sendmsg+0xee/0x170 [ 6748.615280][ T74] __sys_sendmsg+0xcd/0x170 [ 6748.615280][ T74] do_syscall_64+0xc6/0x1e0 [ 6748.615280][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6748.615280][ T74] [ 6748.617161][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6748.617161][ T74] netdev_get_by_index+0x5e/0x80 [ 6748.617161][ T74] fib6_nh_init+0x3d8/0x1580 [ 6748.617161][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6748.617161][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6748.617161][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6748.617161][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6748.617161][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6748.617161][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6748.617161][ T74] addrconf_dad_begin+0x310/0x670 [ 6748.617161][ T74] addrconf_dad_work+0x10b/0xab0 [ 6748.617161][ T74] process_one_work+0x84d/0x18a0 [ 6748.617161][ T74] worker_thread+0x587/0xd30 [ 6748.617161][ T74] kthread+0x28a/0x350 [ 6748.617161][ T74] ret_from_fork+0x31/0x70 [ 6748.617161][ T74] ret_from_fork_asm+0x1a/0x30 [ 6748.617161][ T74] [ 6748.619056][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6748.619056][ T74] netdev_get_by_index+0x5e/0x80 [ 6748.619056][ T74] fib6_nh_init+0x3d8/0x1580 [ 6748.619056][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6748.619056][ T74] ip6_route_add+0x1c/0x140 [ 6748.619056][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6748.619056][ T74] inet6_addr_add+0x4f8/0xa40 [ 6748.619056][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6748.619056][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6748.619056][ T74] netlink_rcv_skb+0x130/0x360 [ 6748.619056][ T74] netlink_unicast+0x449/0x710 [ 6748.619056][ T74] netlink_sendmsg+0x723/0xbe0 [ 6748.619056][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6748.619056][ T74] ___sys_sendmsg+0xee/0x170 [ 6748.619056][ T74] __sys_sendmsg+0xcd/0x170 [ 6748.619056][ T74] do_syscall_64+0xc6/0x1e0 [ 6748.619056][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6748.619056][ T74] [ 6748.621038][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6748.621038][ T74] netdev_get_by_index+0x5e/0x80 [ 6748.621038][ T74] fib6_nh_init+0x3d8/0x1580 [ 6748.621038][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6748.621038][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6748.621038][ T74] ipv6_add_addr+0x411/0x2000 [ 6748.621038][ T74] inet6_addr_add+0x30e/0xa40 [ 6748.621038][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6748.621038][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6748.621038][ T74] netlink_rcv_skb+0x130/0x360 [ 6748.621038][ T74] netlink_unicast+0x449/0x710 [ 6748.621038][ T74] netlink_sendmsg+0x723/0xbe0 [ 6748.621038][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6748.621038][ T74] ___sys_sendmsg+0xee/0x170 [ 6748.621038][ T74] __sys_sendmsg+0xcd/0x170 [ 6748.621038][ T74] do_syscall_64+0xc6/0x1e0 [ 6748.621038][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6748.621038][ T74] [ 6748.623042][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6748.623042][ T74] netdev_get_by_index+0x5e/0x80 [ 6748.623042][ T74] fib6_nh_init+0x3d8/0x1580 [ 6748.623042][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6748.623042][ T74] ip6_route_add+0x1c/0x140 [ 6748.623042][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6748.623042][ T74] addrconf_add_dev+0xe2/0x170 [ 6748.623042][ T74] inet6_addr_add+0x12f/0xa40 [ 6748.623042][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6748.623042][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6748.623042][ T74] netlink_rcv_skb+0x130/0x360 [ 6748.623042][ T74] netlink_unicast+0x449/0x710 [ 6748.623042][ T74] netlink_sendmsg+0x723/0xbe0 [ 6748.623042][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6748.623042][ T74] ___sys_sendmsg+0xee/0x170 [ 6748.623042][ T74] __sys_sendmsg+0xcd/0x170 [ 6748.623042][ T74] do_syscall_64+0xc6/0x1e0 [ 6748.623042][ T74] [ 6748.624992][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6748.624992][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6748.624992][ T74] ipv6_find_idev+0x102/0x170 [ 6748.624992][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6748.624992][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6748.624992][ T74] netlink_rcv_skb+0x130/0x360 [ 6748.624992][ T74] netlink_unicast+0x449/0x710 [ 6748.624992][ T74] netlink_sendmsg+0x723/0xbe0 [ 6748.624992][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6748.624992][ T74] ___sys_sendmsg+0xee/0x170 [ 6748.624992][ T74] __sys_sendmsg+0xcd/0x170 [ 6748.624992][ T74] do_syscall_64+0xc6/0x1e0 [ 6748.624992][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6748.624992][ T74] [ 6748.626642][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6748.626642][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6748.626642][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6748.626642][ T74] ipv6_find_idev+0x102/0x170 [ 6748.626642][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6748.626642][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6748.626642][ T74] netlink_rcv_skb+0x130/0x360 [ 6748.626642][ T74] netlink_unicast+0x449/0x710 [ 6748.626642][ T74] netlink_sendmsg+0x723/0xbe0 [ 6748.626642][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6748.626642][ T74] ___sys_sendmsg+0xee/0x170 [ 6748.626642][ T74] __sys_sendmsg+0xcd/0x170 [ 6748.626642][ T74] do_syscall_64+0xc6/0x1e0 [ 6748.626642][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6748.626642][ T74] [ 6748.629140][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6748.629380][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6748.629380][ T74] netdev_get_by_index+0x5e/0x80 [ 6748.629380][ T74] fib6_nh_init+0x3d8/0x1580 [ 6748.629380][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6748.629380][ T74] ip6_route_add+0x1c/0x140 [ 6748.629380][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6748.629380][ T74] inet6_addr_add+0x4f8/0xa40 [ 6748.629380][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6748.629380][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6748.629380][ T74] netlink_rcv_skb+0x130/0x360 [ 6748.629380][ T74] netlink_unicast+0x449/0x710 [ 6748.629380][ T74] netlink_sendmsg+0x723/0xbe0 [ 6748.629380][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6748.629380][ T74] ___sys_sendmsg+0xee/0x170 [ 6748.629380][ T74] __sys_sendmsg+0xcd/0x170 [ 6748.629380][ T74] do_syscall_64+0xc6/0x1e0 [ 6748.629380][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6748.629380][ T74] [ 6748.631607][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6748.631607][ T74] netdev_get_by_index+0x5e/0x80 [ 6748.631607][ T74] fib6_nh_init+0x3d8/0x1580 [ 6748.631607][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6748.631607][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6748.631607][ T74] ipv6_add_addr+0x411/0x2000 [ 6748.631607][ T74] inet6_addr_add+0x30e/0xa40 [ 6748.631607][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6748.631607][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6748.631607][ T74] netlink_rcv_skb+0x130/0x360 [ 6748.631607][ T74] netlink_unicast+0x449/0x710 [ 6748.631607][ T74] netlink_sendmsg+0x723/0xbe0 [ 6748.631607][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6748.631607][ T74] ___sys_sendmsg+0xee/0x170 [ 6748.631607][ T74] __sys_sendmsg+0xcd/0x170 [ 6748.631607][ T74] do_syscall_64+0xc6/0x1e0 [ 6748.631607][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6748.631607][ T74] [ 6748.633828][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6748.633828][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6748.633828][ T74] ipv6_find_idev+0x102/0x170 [ 6748.633828][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6748.633828][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6748.633828][ T74] netlink_rcv_skb+0x130/0x360 [ 6748.633828][ T74] netlink_unicast+0x449/0x710 [ 6748.633828][ T74] netlink_sendmsg+0x723/0xbe0 [ 6748.633828][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6748.633828][ T74] ___sys_sendmsg+0xee/0x170 [ 6748.633828][ T74] __sys_sendmsg+0xcd/0x170 [ 6748.633828][ T74] do_syscall_64+0xc6/0x1e0 [ 6748.633828][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6748.633828][ T74] [ 6748.635481][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6748.635481][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6748.635481][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6748.635481][ T74] ipv6_find_idev+0x102/0x170 [ 6748.635481][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6748.635481][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6748.635481][ T74] netlink_rcv_skb+0x130/0x360 [ 6748.635481][ T74] netlink_unicast+0x449/0x710 [ 6748.635481][ T74] netlink_sendmsg+0x723/0xbe0 [ 6748.635481][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6748.635481][ T74] ___sys_sendmsg+0xee/0x170 [ 6748.635481][ T74] __sys_sendmsg+0xcd/0x170 [ 6748.635481][ T74] do_syscall_64+0xc6/0x1e0 [ 6748.635481][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6748.635481][ T74] [ 6758.847891][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6758.848310][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6758.848310][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6758.848310][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6758.848310][ T74] fib6_nh_init+0xa22/0x1580 [ 6758.848310][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6758.848310][ T74] ip6_route_add+0x1c/0x140 [ 6758.848310][ T74] inet6_rtm_newroute+0x104/0x110 [ 6758.848310][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6758.848310][ T74] netlink_rcv_skb+0x130/0x360 [ 6758.848310][ T74] netlink_unicast+0x449/0x710 [ 6758.848310][ T74] netlink_sendmsg+0x723/0xbe0 [ 6758.848310][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6758.848310][ T74] ___sys_sendmsg+0xee/0x170 [ 6758.848310][ T74] __sys_sendmsg+0xcd/0x170 [ 6758.848310][ T74] do_syscall_64+0xc6/0x1e0 [ 6758.848310][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6758.848310][ T74] [ 6758.850219][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6758.850219][ T74] netdev_get_by_index+0x5e/0x80 [ 6758.850219][ T74] fib6_nh_init+0x3d8/0x1580 [ 6758.850219][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6758.850219][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6758.850219][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6758.850219][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6758.850219][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6758.850219][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6758.850219][ T74] addrconf_dad_begin+0x310/0x670 [ 6758.850219][ T74] addrconf_dad_work+0x10b/0xab0 [ 6758.850219][ T74] process_one_work+0x84d/0x18a0 [ 6758.850219][ T74] worker_thread+0x587/0xd30 [ 6758.850219][ T74] kthread+0x28a/0x350 [ 6758.850219][ T74] ret_from_fork+0x31/0x70 [ 6758.850219][ T74] ret_from_fork_asm+0x1a/0x30 [ 6758.850219][ T74] [ 6758.852128][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6758.852128][ T74] netdev_get_by_index+0x5e/0x80 [ 6758.852128][ T74] fib6_nh_init+0x3d8/0x1580 [ 6758.852128][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6758.852128][ T74] ip6_route_add+0x1c/0x140 [ 6758.852128][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6758.852128][ T74] inet6_addr_add+0x4f8/0xa40 [ 6758.852128][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6758.852128][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6758.852128][ T74] netlink_rcv_skb+0x130/0x360 [ 6758.852128][ T74] netlink_unicast+0x449/0x710 [ 6758.852128][ T74] netlink_sendmsg+0x723/0xbe0 [ 6758.852128][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6758.852128][ T74] ___sys_sendmsg+0xee/0x170 [ 6758.852128][ T74] __sys_sendmsg+0xcd/0x170 [ 6758.852128][ T74] do_syscall_64+0xc6/0x1e0 [ 6758.852128][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6758.852128][ T74] [ 6758.854125][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6758.854125][ T74] netdev_get_by_index+0x5e/0x80 [ 6758.854125][ T74] fib6_nh_init+0x3d8/0x1580 [ 6758.854125][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6758.854125][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6758.854125][ T74] ipv6_add_addr+0x411/0x2000 [ 6758.854125][ T74] inet6_addr_add+0x30e/0xa40 [ 6758.854125][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6758.854125][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6758.854125][ T74] netlink_rcv_skb+0x130/0x360 [ 6758.854125][ T74] netlink_unicast+0x449/0x710 [ 6758.854125][ T74] netlink_sendmsg+0x723/0xbe0 [ 6758.854125][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6758.854125][ T74] ___sys_sendmsg+0xee/0x170 [ 6758.854125][ T74] __sys_sendmsg+0xcd/0x170 [ 6758.854125][ T74] do_syscall_64+0xc6/0x1e0 [ 6758.854125][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6758.854125][ T74] [ 6758.856115][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6758.856115][ T74] netdev_get_by_index+0x5e/0x80 [ 6758.856115][ T74] fib6_nh_init+0x3d8/0x1580 [ 6758.856115][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6758.856115][ T74] ip6_route_add+0x1c/0x140 [ 6758.856115][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6758.856115][ T74] addrconf_add_dev+0xe2/0x170 [ 6758.856115][ T74] inet6_addr_add+0x12f/0xa40 [ 6758.856115][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6758.856115][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6758.856115][ T74] netlink_rcv_skb+0x130/0x360 [ 6758.856115][ T74] netlink_unicast+0x449/0x710 [ 6758.856115][ T74] netlink_sendmsg+0x723/0xbe0 [ 6758.856115][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6758.856115][ T74] ___sys_sendmsg+0xee/0x170 [ 6758.856115][ T74] __sys_sendmsg+0xcd/0x170 [ 6758.856115][ T74] do_syscall_64+0xc6/0x1e0 [ 6758.856115][ T74] [ 6758.858085][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6758.858085][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6758.858085][ T74] ipv6_find_idev+0x102/0x170 [ 6758.858085][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6758.858085][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6758.858085][ T74] netlink_rcv_skb+0x130/0x360 [ 6758.858085][ T74] netlink_unicast+0x449/0x710 [ 6758.858085][ T74] netlink_sendmsg+0x723/0xbe0 [ 6758.858085][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6758.858085][ T74] ___sys_sendmsg+0xee/0x170 [ 6758.858085][ T74] __sys_sendmsg+0xcd/0x170 [ 6758.858085][ T74] do_syscall_64+0xc6/0x1e0 [ 6758.858085][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6758.858085][ T74] [ 6758.859622][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6758.859622][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6758.859622][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6758.859622][ T74] ipv6_find_idev+0x102/0x170 [ 6758.859622][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6758.859622][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6758.859622][ T74] netlink_rcv_skb+0x130/0x360 [ 6758.859622][ T74] netlink_unicast+0x449/0x710 [ 6758.859622][ T74] netlink_sendmsg+0x723/0xbe0 [ 6758.859622][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6758.859622][ T74] ___sys_sendmsg+0xee/0x170 [ 6758.859622][ T74] __sys_sendmsg+0xcd/0x170 [ 6758.859622][ T74] do_syscall_64+0xc6/0x1e0 [ 6758.859622][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6758.859622][ T74] [ 6758.861300][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6758.861573][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6758.861573][ T74] dst_init+0x84/0x4a0 [ 6758.861573][ T74] dst_alloc+0x97/0x150 [ 6758.861573][ T74] ip6_dst_alloc+0x23/0x90 [ 6758.861573][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6758.861573][ T74] ip6_pol_route+0x56f/0x840 [ 6758.861573][ T74] fib6_rule_lookup+0x456/0x630 [ 6758.861573][ T74] ip6_route_input+0x59c/0xa50 [ 6758.861573][ T74] ipv6_rcv+0x397/0x810 [ 6758.861573][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6758.861573][ T74] process_backlog+0x101/0x620 [ 6758.861573][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6758.861573][ T74] net_rx_action+0x495/0xbe0 [ 6758.861573][ T74] __do_softirq+0x1b5/0x7f6 [ 6758.861573][ T74] [ 6758.863201][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6758.863201][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6758.863201][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6758.863201][ T74] fib6_nh_init+0xa22/0x1580 [ 6758.863201][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6758.863201][ T74] ip6_route_add+0x1c/0x140 [ 6758.863201][ T74] inet6_rtm_newroute+0x104/0x110 [ 6758.863201][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6758.863201][ T74] netlink_rcv_skb+0x130/0x360 [ 6758.863201][ T74] netlink_unicast+0x449/0x710 [ 6758.863201][ T74] netlink_sendmsg+0x723/0xbe0 [ 6758.863201][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6758.863201][ T74] ___sys_sendmsg+0xee/0x170 [ 6758.863201][ T74] __sys_sendmsg+0xcd/0x170 [ 6758.863201][ T74] do_syscall_64+0xc6/0x1e0 [ 6758.863201][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6758.863201][ T74] [ 6758.865079][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6758.865079][ T74] netdev_get_by_index+0x5e/0x80 [ 6758.865079][ T74] fib6_nh_init+0x3d8/0x1580 [ 6758.865079][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6758.865079][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6758.865079][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6758.865079][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6758.865079][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6758.865079][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6758.865079][ T74] addrconf_dad_begin+0x310/0x670 [ 6758.865079][ T74] addrconf_dad_work+0x10b/0xab0 [ 6758.865079][ T74] process_one_work+0x84d/0x18a0 [ 6758.865079][ T74] worker_thread+0x587/0xd30 [ 6758.865079][ T74] kthread+0x28a/0x350 [ 6758.865079][ T74] ret_from_fork+0x31/0x70 [ 6758.865079][ T74] ret_from_fork_asm+0x1a/0x30 [ 6758.865079][ T74] [ 6758.866987][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6758.866987][ T74] netdev_get_by_index+0x5e/0x80 [ 6758.866987][ T74] fib6_nh_init+0x3d8/0x1580 [ 6758.866987][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6758.866987][ T74] ip6_route_add+0x1c/0x140 [ 6758.866987][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6758.866987][ T74] inet6_addr_add+0x4f8/0xa40 [ 6758.866987][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6758.866987][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6758.866987][ T74] netlink_rcv_skb+0x130/0x360 [ 6758.866987][ T74] netlink_unicast+0x449/0x710 [ 6758.866987][ T74] netlink_sendmsg+0x723/0xbe0 [ 6758.866987][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6758.866987][ T74] ___sys_sendmsg+0xee/0x170 [ 6758.866987][ T74] __sys_sendmsg+0xcd/0x170 [ 6758.866987][ T74] do_syscall_64+0xc6/0x1e0 [ 6758.866987][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6758.866987][ T74] [ 6758.868995][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6758.868995][ T74] netdev_get_by_index+0x5e/0x80 [ 6758.868995][ T74] fib6_nh_init+0x3d8/0x1580 [ 6758.868995][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6758.868995][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6758.868995][ T74] ipv6_add_addr+0x411/0x2000 [ 6758.868995][ T74] inet6_addr_add+0x30e/0xa40 [ 6758.868995][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6758.868995][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6758.868995][ T74] netlink_rcv_skb+0x130/0x360 [ 6758.868995][ T74] netlink_unicast+0x449/0x710 [ 6758.868995][ T74] netlink_sendmsg+0x723/0xbe0 [ 6758.868995][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6758.868995][ T74] ___sys_sendmsg+0xee/0x170 [ 6758.868995][ T74] __sys_sendmsg+0xcd/0x170 [ 6758.868995][ T74] do_syscall_64+0xc6/0x1e0 [ 6758.868995][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6758.868995][ T74] [ 6758.870988][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6758.870988][ T74] netdev_get_by_index+0x5e/0x80 [ 6758.870988][ T74] fib6_nh_init+0x3d8/0x1580 [ 6758.870988][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6758.870988][ T74] ip6_route_add+0x1c/0x140 [ 6758.870988][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6758.870988][ T74] addrconf_add_dev+0xe2/0x170 [ 6758.870988][ T74] inet6_addr_add+0x12f/0xa40 [ 6758.870988][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6758.870988][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6758.870988][ T74] netlink_rcv_skb+0x130/0x360 [ 6758.870988][ T74] netlink_unicast+0x449/0x710 [ 6758.870988][ T74] netlink_sendmsg+0x723/0xbe0 [ 6758.870988][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6758.870988][ T74] ___sys_sendmsg+0xee/0x170 [ 6758.870988][ T74] __sys_sendmsg+0xcd/0x170 [ 6758.870988][ T74] do_syscall_64+0xc6/0x1e0 [ 6758.870988][ T74] [ 6758.872940][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6758.872940][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6758.872940][ T74] ipv6_find_idev+0x102/0x170 [ 6758.872940][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6758.872940][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6758.872940][ T74] netlink_rcv_skb+0x130/0x360 [ 6758.872940][ T74] netlink_unicast+0x449/0x710 [ 6758.872940][ T74] netlink_sendmsg+0x723/0xbe0 [ 6758.872940][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6758.872940][ T74] ___sys_sendmsg+0xee/0x170 [ 6758.872940][ T74] __sys_sendmsg+0xcd/0x170 [ 6758.872940][ T74] do_syscall_64+0xc6/0x1e0 [ 6758.872940][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6758.872940][ T74] [ 6758.874598][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6758.874598][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6758.874598][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6758.874598][ T74] ipv6_find_idev+0x102/0x170 [ 6758.874598][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6758.874598][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6758.874598][ T74] netlink_rcv_skb+0x130/0x360 [ 6758.874598][ T74] netlink_unicast+0x449/0x710 [ 6758.874598][ T74] netlink_sendmsg+0x723/0xbe0 [ 6758.874598][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6758.874598][ T74] ___sys_sendmsg+0xee/0x170 [ 6758.874598][ T74] __sys_sendmsg+0xcd/0x170 [ 6758.874598][ T74] do_syscall_64+0xc6/0x1e0 [ 6758.874598][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6758.874598][ T74] [ 6758.876522][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6758.876832][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6758.876832][ T74] netdev_get_by_index+0x5e/0x80 [ 6758.876832][ T74] fib6_nh_init+0x3d8/0x1580 [ 6758.876832][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6758.876832][ T74] ip6_route_add+0x1c/0x140 [ 6758.876832][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6758.876832][ T74] inet6_addr_add+0x4f8/0xa40 [ 6758.876832][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6758.876832][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6758.876832][ T74] netlink_rcv_skb+0x130/0x360 [ 6758.876832][ T74] netlink_unicast+0x449/0x710 [ 6758.876832][ T74] netlink_sendmsg+0x723/0xbe0 [ 6758.876832][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6758.876832][ T74] ___sys_sendmsg+0xee/0x170 [ 6758.876832][ T74] __sys_sendmsg+0xcd/0x170 [ 6758.876832][ T74] do_syscall_64+0xc6/0x1e0 [ 6758.876832][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6758.876832][ T74] [ 6758.878944][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6758.878944][ T74] netdev_get_by_index+0x5e/0x80 [ 6758.878944][ T74] fib6_nh_init+0x3d8/0x1580 [ 6758.878944][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6758.878944][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6758.878944][ T74] ipv6_add_addr+0x411/0x2000 [ 6758.878944][ T74] inet6_addr_add+0x30e/0xa40 [ 6758.878944][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6758.878944][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6758.878944][ T74] netlink_rcv_skb+0x130/0x360 [ 6758.878944][ T74] netlink_unicast+0x449/0x710 [ 6758.878944][ T74] netlink_sendmsg+0x723/0xbe0 [ 6758.878944][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6758.878944][ T74] ___sys_sendmsg+0xee/0x170 [ 6758.878944][ T74] __sys_sendmsg+0xcd/0x170 [ 6758.878944][ T74] do_syscall_64+0xc6/0x1e0 [ 6758.878944][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6758.878944][ T74] [ 6758.881183][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6758.881183][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6758.881183][ T74] ipv6_find_idev+0x102/0x170 [ 6758.881183][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6758.881183][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6758.881183][ T74] netlink_rcv_skb+0x130/0x360 [ 6758.881183][ T74] netlink_unicast+0x449/0x710 [ 6758.881183][ T74] netlink_sendmsg+0x723/0xbe0 [ 6758.881183][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6758.881183][ T74] ___sys_sendmsg+0xee/0x170 [ 6758.881183][ T74] __sys_sendmsg+0xcd/0x170 [ 6758.881183][ T74] do_syscall_64+0xc6/0x1e0 [ 6758.881183][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6758.881183][ T74] [ 6758.882846][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6758.882846][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6758.882846][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6758.882846][ T74] ipv6_find_idev+0x102/0x170 [ 6758.882846][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6758.882846][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6758.882846][ T74] netlink_rcv_skb+0x130/0x360 [ 6758.882846][ T74] netlink_unicast+0x449/0x710 [ 6758.882846][ T74] netlink_sendmsg+0x723/0xbe0 [ 6758.882846][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6758.882846][ T74] ___sys_sendmsg+0xee/0x170 [ 6758.882846][ T74] __sys_sendmsg+0xcd/0x170 [ 6758.882846][ T74] do_syscall_64+0xc6/0x1e0 [ 6758.882846][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6758.882846][ T74] [ 6768.895893][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6768.896327][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6768.896327][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6768.896327][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6768.896327][ T74] fib6_nh_init+0xa22/0x1580 [ 6768.896327][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6768.896327][ T74] ip6_route_add+0x1c/0x140 [ 6768.896327][ T74] inet6_rtm_newroute+0x104/0x110 [ 6768.896327][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6768.896327][ T74] netlink_rcv_skb+0x130/0x360 [ 6768.896327][ T74] netlink_unicast+0x449/0x710 [ 6768.896327][ T74] netlink_sendmsg+0x723/0xbe0 [ 6768.896327][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6768.896327][ T74] ___sys_sendmsg+0xee/0x170 [ 6768.896327][ T74] __sys_sendmsg+0xcd/0x170 [ 6768.896327][ T74] do_syscall_64+0xc6/0x1e0 [ 6768.896327][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6768.896327][ T74] [ 6768.898237][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6768.898237][ T74] netdev_get_by_index+0x5e/0x80 [ 6768.898237][ T74] fib6_nh_init+0x3d8/0x1580 [ 6768.898237][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6768.898237][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6768.898237][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6768.898237][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6768.898237][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6768.898237][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6768.898237][ T74] addrconf_dad_begin+0x310/0x670 [ 6768.898237][ T74] addrconf_dad_work+0x10b/0xab0 [ 6768.898237][ T74] process_one_work+0x84d/0x18a0 [ 6768.898237][ T74] worker_thread+0x587/0xd30 [ 6768.898237][ T74] kthread+0x28a/0x350 [ 6768.898237][ T74] ret_from_fork+0x31/0x70 [ 6768.898237][ T74] ret_from_fork_asm+0x1a/0x30 [ 6768.898237][ T74] [ 6768.900139][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6768.900139][ T74] netdev_get_by_index+0x5e/0x80 [ 6768.900139][ T74] fib6_nh_init+0x3d8/0x1580 [ 6768.900139][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6768.900139][ T74] ip6_route_add+0x1c/0x140 [ 6768.900139][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6768.900139][ T74] inet6_addr_add+0x4f8/0xa40 [ 6768.900139][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6768.900139][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6768.900139][ T74] netlink_rcv_skb+0x130/0x360 [ 6768.900139][ T74] netlink_unicast+0x449/0x710 [ 6768.900139][ T74] netlink_sendmsg+0x723/0xbe0 [ 6768.900139][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6768.900139][ T74] ___sys_sendmsg+0xee/0x170 [ 6768.900139][ T74] __sys_sendmsg+0xcd/0x170 [ 6768.900139][ T74] do_syscall_64+0xc6/0x1e0 [ 6768.900139][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6768.900139][ T74] [ 6768.902126][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6768.902126][ T74] netdev_get_by_index+0x5e/0x80 [ 6768.902126][ T74] fib6_nh_init+0x3d8/0x1580 [ 6768.902126][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6768.902126][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6768.902126][ T74] ipv6_add_addr+0x411/0x2000 [ 6768.902126][ T74] inet6_addr_add+0x30e/0xa40 [ 6768.902126][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6768.902126][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6768.902126][ T74] netlink_rcv_skb+0x130/0x360 [ 6768.902126][ T74] netlink_unicast+0x449/0x710 [ 6768.902126][ T74] netlink_sendmsg+0x723/0xbe0 [ 6768.902126][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6768.902126][ T74] ___sys_sendmsg+0xee/0x170 [ 6768.902126][ T74] __sys_sendmsg+0xcd/0x170 [ 6768.902126][ T74] do_syscall_64+0xc6/0x1e0 [ 6768.902126][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6768.902126][ T74] [ 6768.904128][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6768.904128][ T74] netdev_get_by_index+0x5e/0x80 [ 6768.904128][ T74] fib6_nh_init+0x3d8/0x1580 [ 6768.904128][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6768.904128][ T74] ip6_route_add+0x1c/0x140 [ 6768.904128][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6768.904128][ T74] addrconf_add_dev+0xe2/0x170 [ 6768.904128][ T74] inet6_addr_add+0x12f/0xa40 [ 6768.904128][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6768.904128][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6768.904128][ T74] netlink_rcv_skb+0x130/0x360 [ 6768.904128][ T74] netlink_unicast+0x449/0x710 [ 6768.904128][ T74] netlink_sendmsg+0x723/0xbe0 [ 6768.904128][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6768.904128][ T74] ___sys_sendmsg+0xee/0x170 [ 6768.904128][ T74] __sys_sendmsg+0xcd/0x170 [ 6768.904128][ T74] do_syscall_64+0xc6/0x1e0 [ 6768.904128][ T74] [ 6768.906087][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6768.906087][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6768.906087][ T74] ipv6_find_idev+0x102/0x170 [ 6768.906087][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6768.906087][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6768.906087][ T74] netlink_rcv_skb+0x130/0x360 [ 6768.906087][ T74] netlink_unicast+0x449/0x710 [ 6768.906087][ T74] netlink_sendmsg+0x723/0xbe0 [ 6768.906087][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6768.906087][ T74] ___sys_sendmsg+0xee/0x170 [ 6768.906087][ T74] __sys_sendmsg+0xcd/0x170 [ 6768.906087][ T74] do_syscall_64+0xc6/0x1e0 [ 6768.906087][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6768.906087][ T74] [ 6768.907628][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6768.907628][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6768.907628][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6768.907628][ T74] ipv6_find_idev+0x102/0x170 [ 6768.907628][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6768.907628][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6768.907628][ T74] netlink_rcv_skb+0x130/0x360 [ 6768.907628][ T74] netlink_unicast+0x449/0x710 [ 6768.907628][ T74] netlink_sendmsg+0x723/0xbe0 [ 6768.907628][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6768.907628][ T74] ___sys_sendmsg+0xee/0x170 [ 6768.907628][ T74] __sys_sendmsg+0xcd/0x170 [ 6768.907628][ T74] do_syscall_64+0xc6/0x1e0 [ 6768.907628][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6768.907628][ T74] [ 6768.909296][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6768.909568][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6768.909568][ T74] dst_init+0x84/0x4a0 [ 6768.909568][ T74] dst_alloc+0x97/0x150 [ 6768.909568][ T74] ip6_dst_alloc+0x23/0x90 [ 6768.909568][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6768.909568][ T74] ip6_pol_route+0x56f/0x840 [ 6768.909568][ T74] fib6_rule_lookup+0x456/0x630 [ 6768.909568][ T74] ip6_route_input+0x59c/0xa50 [ 6768.909568][ T74] ipv6_rcv+0x397/0x810 [ 6768.909568][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6768.909568][ T74] process_backlog+0x101/0x620 [ 6768.909568][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6768.909568][ T74] net_rx_action+0x495/0xbe0 [ 6768.909568][ T74] __do_softirq+0x1b5/0x7f6 [ 6768.909568][ T74] [ 6768.911193][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6768.911193][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6768.911193][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6768.911193][ T74] fib6_nh_init+0xa22/0x1580 [ 6768.911193][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6768.911193][ T74] ip6_route_add+0x1c/0x140 [ 6768.911193][ T74] inet6_rtm_newroute+0x104/0x110 [ 6768.911193][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6768.911193][ T74] netlink_rcv_skb+0x130/0x360 [ 6768.911193][ T74] netlink_unicast+0x449/0x710 [ 6768.911193][ T74] netlink_sendmsg+0x723/0xbe0 [ 6768.911193][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6768.911193][ T74] ___sys_sendmsg+0xee/0x170 [ 6768.911193][ T74] __sys_sendmsg+0xcd/0x170 [ 6768.911193][ T74] do_syscall_64+0xc6/0x1e0 [ 6768.911193][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6768.911193][ T74] [ 6768.913058][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6768.913058][ T74] netdev_get_by_index+0x5e/0x80 [ 6768.913058][ T74] fib6_nh_init+0x3d8/0x1580 [ 6768.913058][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6768.913058][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6768.913058][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6768.913058][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6768.913058][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6768.913058][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6768.913058][ T74] addrconf_dad_begin+0x310/0x670 [ 6768.913058][ T74] addrconf_dad_work+0x10b/0xab0 [ 6768.913058][ T74] process_one_work+0x84d/0x18a0 [ 6768.913058][ T74] worker_thread+0x587/0xd30 [ 6768.913058][ T74] kthread+0x28a/0x350 [ 6768.913058][ T74] ret_from_fork+0x31/0x70 [ 6768.913058][ T74] ret_from_fork_asm+0x1a/0x30 [ 6768.913058][ T74] [ 6768.914956][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6768.914956][ T74] netdev_get_by_index+0x5e/0x80 [ 6768.914956][ T74] fib6_nh_init+0x3d8/0x1580 [ 6768.914956][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6768.914956][ T74] ip6_route_add+0x1c/0x140 [ 6768.914956][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6768.914956][ T74] inet6_addr_add+0x4f8/0xa40 [ 6768.914956][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6768.914956][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6768.914956][ T74] netlink_rcv_skb+0x130/0x360 [ 6768.914956][ T74] netlink_unicast+0x449/0x710 [ 6768.914956][ T74] netlink_sendmsg+0x723/0xbe0 [ 6768.914956][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6768.914956][ T74] ___sys_sendmsg+0xee/0x170 [ 6768.914956][ T74] __sys_sendmsg+0xcd/0x170 [ 6768.914956][ T74] do_syscall_64+0xc6/0x1e0 [ 6768.914956][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6768.914956][ T74] [ 6768.916958][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6768.916958][ T74] netdev_get_by_index+0x5e/0x80 [ 6768.916958][ T74] fib6_nh_init+0x3d8/0x1580 [ 6768.916958][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6768.916958][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6768.916958][ T74] ipv6_add_addr+0x411/0x2000 [ 6768.916958][ T74] inet6_addr_add+0x30e/0xa40 [ 6768.916958][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6768.916958][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6768.916958][ T74] netlink_rcv_skb+0x130/0x360 [ 6768.916958][ T74] netlink_unicast+0x449/0x710 [ 6768.916958][ T74] netlink_sendmsg+0x723/0xbe0 [ 6768.916958][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6768.916958][ T74] ___sys_sendmsg+0xee/0x170 [ 6768.916958][ T74] __sys_sendmsg+0xcd/0x170 [ 6768.916958][ T74] do_syscall_64+0xc6/0x1e0 [ 6768.916958][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6768.916958][ T74] [ 6768.919054][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6768.919054][ T74] netdev_get_by_index+0x5e/0x80 [ 6768.919054][ T74] fib6_nh_init+0x3d8/0x1580 [ 6768.919054][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6768.919054][ T74] ip6_route_add+0x1c/0x140 [ 6768.919054][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6768.919054][ T74] addrconf_add_dev+0xe2/0x170 [ 6768.919054][ T74] inet6_addr_add+0x12f/0xa40 [ 6768.919054][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6768.919054][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6768.919054][ T74] netlink_rcv_skb+0x130/0x360 [ 6768.919054][ T74] netlink_unicast+0x449/0x710 [ 6768.919054][ T74] netlink_sendmsg+0x723/0xbe0 [ 6768.919054][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6768.919054][ T74] ___sys_sendmsg+0xee/0x170 [ 6768.919054][ T74] __sys_sendmsg+0xcd/0x170 [ 6768.919054][ T74] do_syscall_64+0xc6/0x1e0 [ 6768.919054][ T74] [ 6768.921014][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6768.921014][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6768.921014][ T74] ipv6_find_idev+0x102/0x170 [ 6768.921014][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6768.921014][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6768.921014][ T74] netlink_rcv_skb+0x130/0x360 [ 6768.921014][ T74] netlink_unicast+0x449/0x710 [ 6768.921014][ T74] netlink_sendmsg+0x723/0xbe0 [ 6768.921014][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6768.921014][ T74] ___sys_sendmsg+0xee/0x170 [ 6768.921014][ T74] __sys_sendmsg+0xcd/0x170 [ 6768.921014][ T74] do_syscall_64+0xc6/0x1e0 [ 6768.921014][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6768.921014][ T74] [ 6768.922616][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6768.922616][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6768.922616][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6768.922616][ T74] ipv6_find_idev+0x102/0x170 [ 6768.922616][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6768.922616][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6768.922616][ T74] netlink_rcv_skb+0x130/0x360 [ 6768.922616][ T74] netlink_unicast+0x449/0x710 [ 6768.922616][ T74] netlink_sendmsg+0x723/0xbe0 [ 6768.922616][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6768.922616][ T74] ___sys_sendmsg+0xee/0x170 [ 6768.922616][ T74] __sys_sendmsg+0xcd/0x170 [ 6768.922616][ T74] do_syscall_64+0xc6/0x1e0 [ 6768.922616][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6768.922616][ T74] [ 6768.924425][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6768.924729][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6768.924729][ T74] netdev_get_by_index+0x5e/0x80 [ 6768.924729][ T74] fib6_nh_init+0x3d8/0x1580 [ 6768.924729][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6768.924729][ T74] ip6_route_add+0x1c/0x140 [ 6768.924729][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6768.924729][ T74] inet6_addr_add+0x4f8/0xa40 [ 6768.924729][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6768.924729][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6768.924729][ T74] netlink_rcv_skb+0x130/0x360 [ 6768.924729][ T74] netlink_unicast+0x449/0x710 [ 6768.924729][ T74] netlink_sendmsg+0x723/0xbe0 [ 6768.924729][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6768.924729][ T74] ___sys_sendmsg+0xee/0x170 [ 6768.924729][ T74] __sys_sendmsg+0xcd/0x170 [ 6768.924729][ T74] do_syscall_64+0xc6/0x1e0 [ 6768.924729][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6768.924729][ T74] [ 6768.926793][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6768.926793][ T74] netdev_get_by_index+0x5e/0x80 [ 6768.926793][ T74] fib6_nh_init+0x3d8/0x1580 [ 6768.926793][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6768.926793][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6768.926793][ T74] ipv6_add_addr+0x411/0x2000 [ 6768.926793][ T74] inet6_addr_add+0x30e/0xa40 [ 6768.926793][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6768.926793][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6768.926793][ T74] netlink_rcv_skb+0x130/0x360 [ 6768.926793][ T74] netlink_unicast+0x449/0x710 [ 6768.926793][ T74] netlink_sendmsg+0x723/0xbe0 [ 6768.926793][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6768.926793][ T74] ___sys_sendmsg+0xee/0x170 [ 6768.926793][ T74] __sys_sendmsg+0xcd/0x170 [ 6768.926793][ T74] do_syscall_64+0xc6/0x1e0 [ 6768.926793][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6768.926793][ T74] [ 6768.928926][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6768.928926][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6768.928926][ T74] ipv6_find_idev+0x102/0x170 [ 6768.928926][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6768.928926][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6768.928926][ T74] netlink_rcv_skb+0x130/0x360 [ 6768.928926][ T74] netlink_unicast+0x449/0x710 [ 6768.928926][ T74] netlink_sendmsg+0x723/0xbe0 [ 6768.928926][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6768.928926][ T74] ___sys_sendmsg+0xee/0x170 [ 6768.928926][ T74] __sys_sendmsg+0xcd/0x170 [ 6768.928926][ T74] do_syscall_64+0xc6/0x1e0 [ 6768.928926][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6768.928926][ T74] [ 6768.930537][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6768.930537][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6768.930537][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6768.930537][ T74] ipv6_find_idev+0x102/0x170 [ 6768.930537][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6768.930537][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6768.930537][ T74] netlink_rcv_skb+0x130/0x360 [ 6768.930537][ T74] netlink_unicast+0x449/0x710 [ 6768.930537][ T74] netlink_sendmsg+0x723/0xbe0 [ 6768.930537][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6768.930537][ T74] ___sys_sendmsg+0xee/0x170 [ 6768.930537][ T74] __sys_sendmsg+0xcd/0x170 [ 6768.930537][ T74] do_syscall_64+0xc6/0x1e0 [ 6768.930537][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6768.930537][ T74] [ 6779.039957][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6779.040379][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6779.040379][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6779.040379][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6779.040379][ T74] fib6_nh_init+0xa22/0x1580 [ 6779.040379][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6779.040379][ T74] ip6_route_add+0x1c/0x140 [ 6779.040379][ T74] inet6_rtm_newroute+0x104/0x110 [ 6779.040379][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6779.040379][ T74] netlink_rcv_skb+0x130/0x360 [ 6779.040379][ T74] netlink_unicast+0x449/0x710 [ 6779.040379][ T74] netlink_sendmsg+0x723/0xbe0 [ 6779.040379][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6779.040379][ T74] ___sys_sendmsg+0xee/0x170 [ 6779.040379][ T74] __sys_sendmsg+0xcd/0x170 [ 6779.040379][ T74] do_syscall_64+0xc6/0x1e0 [ 6779.040379][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6779.040379][ T74] [ 6779.042273][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6779.042273][ T74] netdev_get_by_index+0x5e/0x80 [ 6779.042273][ T74] fib6_nh_init+0x3d8/0x1580 [ 6779.042273][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6779.042273][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6779.042273][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6779.042273][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6779.042273][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6779.042273][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6779.042273][ T74] addrconf_dad_begin+0x310/0x670 [ 6779.042273][ T74] addrconf_dad_work+0x10b/0xab0 [ 6779.042273][ T74] process_one_work+0x84d/0x18a0 [ 6779.042273][ T74] worker_thread+0x587/0xd30 [ 6779.042273][ T74] kthread+0x28a/0x350 [ 6779.042273][ T74] ret_from_fork+0x31/0x70 [ 6779.042273][ T74] ret_from_fork_asm+0x1a/0x30 [ 6779.042273][ T74] [ 6779.044172][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6779.044172][ T74] netdev_get_by_index+0x5e/0x80 [ 6779.044172][ T74] fib6_nh_init+0x3d8/0x1580 [ 6779.044172][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6779.044172][ T74] ip6_route_add+0x1c/0x140 [ 6779.044172][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6779.044172][ T74] inet6_addr_add+0x4f8/0xa40 [ 6779.044172][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6779.044172][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6779.044172][ T74] netlink_rcv_skb+0x130/0x360 [ 6779.044172][ T74] netlink_unicast+0x449/0x710 [ 6779.044172][ T74] netlink_sendmsg+0x723/0xbe0 [ 6779.044172][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6779.044172][ T74] ___sys_sendmsg+0xee/0x170 [ 6779.044172][ T74] __sys_sendmsg+0xcd/0x170 [ 6779.044172][ T74] do_syscall_64+0xc6/0x1e0 [ 6779.044172][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6779.044172][ T74] [ 6779.046176][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6779.046176][ T74] netdev_get_by_index+0x5e/0x80 [ 6779.046176][ T74] fib6_nh_init+0x3d8/0x1580 [ 6779.046176][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6779.046176][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6779.046176][ T74] ipv6_add_addr+0x411/0x2000 [ 6779.046176][ T74] inet6_addr_add+0x30e/0xa40 [ 6779.046176][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6779.046176][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6779.046176][ T74] netlink_rcv_skb+0x130/0x360 [ 6779.046176][ T74] netlink_unicast+0x449/0x710 [ 6779.046176][ T74] netlink_sendmsg+0x723/0xbe0 [ 6779.046176][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6779.046176][ T74] ___sys_sendmsg+0xee/0x170 [ 6779.046176][ T74] __sys_sendmsg+0xcd/0x170 [ 6779.046176][ T74] do_syscall_64+0xc6/0x1e0 [ 6779.046176][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6779.046176][ T74] [ 6779.048182][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6779.048182][ T74] netdev_get_by_index+0x5e/0x80 [ 6779.048182][ T74] fib6_nh_init+0x3d8/0x1580 [ 6779.048182][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6779.048182][ T74] ip6_route_add+0x1c/0x140 [ 6779.048182][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6779.048182][ T74] addrconf_add_dev+0xe2/0x170 [ 6779.048182][ T74] inet6_addr_add+0x12f/0xa40 [ 6779.048182][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6779.048182][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6779.048182][ T74] netlink_rcv_skb+0x130/0x360 [ 6779.048182][ T74] netlink_unicast+0x449/0x710 [ 6779.048182][ T74] netlink_sendmsg+0x723/0xbe0 [ 6779.048182][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6779.048182][ T74] ___sys_sendmsg+0xee/0x170 [ 6779.048182][ T74] __sys_sendmsg+0xcd/0x170 [ 6779.048182][ T74] do_syscall_64+0xc6/0x1e0 [ 6779.048182][ T74] [ 6779.050132][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6779.050132][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6779.050132][ T74] ipv6_find_idev+0x102/0x170 [ 6779.050132][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6779.050132][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6779.050132][ T74] netlink_rcv_skb+0x130/0x360 [ 6779.050132][ T74] netlink_unicast+0x449/0x710 [ 6779.050132][ T74] netlink_sendmsg+0x723/0xbe0 [ 6779.050132][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6779.050132][ T74] ___sys_sendmsg+0xee/0x170 [ 6779.050132][ T74] __sys_sendmsg+0xcd/0x170 [ 6779.050132][ T74] do_syscall_64+0xc6/0x1e0 [ 6779.050132][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6779.050132][ T74] [ 6779.051670][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6779.051670][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6779.051670][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6779.051670][ T74] ipv6_find_idev+0x102/0x170 [ 6779.051670][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6779.051670][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6779.051670][ T74] netlink_rcv_skb+0x130/0x360 [ 6779.051670][ T74] netlink_unicast+0x449/0x710 [ 6779.051670][ T74] netlink_sendmsg+0x723/0xbe0 [ 6779.051670][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6779.051670][ T74] ___sys_sendmsg+0xee/0x170 [ 6779.051670][ T74] __sys_sendmsg+0xcd/0x170 [ 6779.051670][ T74] do_syscall_64+0xc6/0x1e0 [ 6779.051670][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6779.051670][ T74] [ 6779.053355][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6779.053629][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6779.053629][ T74] dst_init+0x84/0x4a0 [ 6779.053629][ T74] dst_alloc+0x97/0x150 [ 6779.053629][ T74] ip6_dst_alloc+0x23/0x90 [ 6779.053629][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6779.053629][ T74] ip6_pol_route+0x56f/0x840 [ 6779.053629][ T74] fib6_rule_lookup+0x456/0x630 [ 6779.053629][ T74] ip6_route_input+0x59c/0xa50 [ 6779.053629][ T74] ipv6_rcv+0x397/0x810 [ 6779.053629][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6779.053629][ T74] process_backlog+0x101/0x620 [ 6779.053629][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6779.053629][ T74] net_rx_action+0x495/0xbe0 [ 6779.053629][ T74] __do_softirq+0x1b5/0x7f6 [ 6779.053629][ T74] [ 6779.055257][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6779.055257][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6779.055257][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6779.055257][ T74] fib6_nh_init+0xa22/0x1580 [ 6779.055257][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6779.055257][ T74] ip6_route_add+0x1c/0x140 [ 6779.055257][ T74] inet6_rtm_newroute+0x104/0x110 [ 6779.055257][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6779.055257][ T74] netlink_rcv_skb+0x130/0x360 [ 6779.055257][ T74] netlink_unicast+0x449/0x710 [ 6779.055257][ T74] netlink_sendmsg+0x723/0xbe0 [ 6779.055257][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6779.055257][ T74] ___sys_sendmsg+0xee/0x170 [ 6779.055257][ T74] __sys_sendmsg+0xcd/0x170 [ 6779.055257][ T74] do_syscall_64+0xc6/0x1e0 [ 6779.055257][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6779.055257][ T74] [ 6779.057143][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6779.057143][ T74] netdev_get_by_index+0x5e/0x80 [ 6779.057143][ T74] fib6_nh_init+0x3d8/0x1580 [ 6779.057143][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6779.057143][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6779.057143][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6779.057143][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6779.057143][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6779.057143][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6779.057143][ T74] addrconf_dad_begin+0x310/0x670 [ 6779.057143][ T74] addrconf_dad_work+0x10b/0xab0 [ 6779.057143][ T74] process_one_work+0x84d/0x18a0 [ 6779.057143][ T74] worker_thread+0x587/0xd30 [ 6779.057143][ T74] kthread+0x28a/0x350 [ 6779.057143][ T74] ret_from_fork+0x31/0x70 [ 6779.057143][ T74] ret_from_fork_asm+0x1a/0x30 [ 6779.057143][ T74] [ 6779.059041][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6779.059041][ T74] netdev_get_by_index+0x5e/0x80 [ 6779.059041][ T74] fib6_nh_init+0x3d8/0x1580 [ 6779.059041][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6779.059041][ T74] ip6_route_add+0x1c/0x140 [ 6779.059041][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6779.059041][ T74] inet6_addr_add+0x4f8/0xa40 [ 6779.059041][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6779.059041][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6779.059041][ T74] netlink_rcv_skb+0x130/0x360 [ 6779.059041][ T74] netlink_unicast+0x449/0x710 [ 6779.059041][ T74] netlink_sendmsg+0x723/0xbe0 [ 6779.059041][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6779.059041][ T74] ___sys_sendmsg+0xee/0x170 [ 6779.059041][ T74] __sys_sendmsg+0xcd/0x170 [ 6779.059041][ T74] do_syscall_64+0xc6/0x1e0 [ 6779.059041][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6779.059041][ T74] [ 6779.061034][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6779.061034][ T74] netdev_get_by_index+0x5e/0x80 [ 6779.061034][ T74] fib6_nh_init+0x3d8/0x1580 [ 6779.061034][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6779.061034][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6779.061034][ T74] ipv6_add_addr+0x411/0x2000 [ 6779.061034][ T74] inet6_addr_add+0x30e/0xa40 [ 6779.061034][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6779.061034][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6779.061034][ T74] netlink_rcv_skb+0x130/0x360 [ 6779.061034][ T74] netlink_unicast+0x449/0x710 [ 6779.061034][ T74] netlink_sendmsg+0x723/0xbe0 [ 6779.061034][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6779.061034][ T74] ___sys_sendmsg+0xee/0x170 [ 6779.061034][ T74] __sys_sendmsg+0xcd/0x170 [ 6779.061034][ T74] do_syscall_64+0xc6/0x1e0 [ 6779.061034][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6779.061034][ T74] [ 6779.063036][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6779.063036][ T74] netdev_get_by_index+0x5e/0x80 [ 6779.063036][ T74] fib6_nh_init+0x3d8/0x1580 [ 6779.063036][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6779.063036][ T74] ip6_route_add+0x1c/0x140 [ 6779.063036][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6779.063036][ T74] addrconf_add_dev+0xe2/0x170 [ 6779.063036][ T74] inet6_addr_add+0x12f/0xa40 [ 6779.063036][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6779.063036][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6779.063036][ T74] netlink_rcv_skb+0x130/0x360 [ 6779.063036][ T74] netlink_unicast+0x449/0x710 [ 6779.063036][ T74] netlink_sendmsg+0x723/0xbe0 [ 6779.063036][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6779.063036][ T74] ___sys_sendmsg+0xee/0x170 [ 6779.063036][ T74] __sys_sendmsg+0xcd/0x170 [ 6779.063036][ T74] do_syscall_64+0xc6/0x1e0 [ 6779.063036][ T74] [ 6779.065005][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6779.065005][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6779.065005][ T74] ipv6_find_idev+0x102/0x170 [ 6779.065005][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6779.065005][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6779.065005][ T74] netlink_rcv_skb+0x130/0x360 [ 6779.065005][ T74] netlink_unicast+0x449/0x710 [ 6779.065005][ T74] netlink_sendmsg+0x723/0xbe0 [ 6779.065005][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6779.065005][ T74] ___sys_sendmsg+0xee/0x170 [ 6779.065005][ T74] __sys_sendmsg+0xcd/0x170 [ 6779.065005][ T74] do_syscall_64+0xc6/0x1e0 [ 6779.065005][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6779.065005][ T74] [ 6779.066655][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6779.066655][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6779.066655][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6779.066655][ T74] ipv6_find_idev+0x102/0x170 [ 6779.066655][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6779.066655][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6779.066655][ T74] netlink_rcv_skb+0x130/0x360 [ 6779.066655][ T74] netlink_unicast+0x449/0x710 [ 6779.066655][ T74] netlink_sendmsg+0x723/0xbe0 [ 6779.066655][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6779.066655][ T74] ___sys_sendmsg+0xee/0x170 [ 6779.066655][ T74] __sys_sendmsg+0xcd/0x170 [ 6779.066655][ T74] do_syscall_64+0xc6/0x1e0 [ 6779.066655][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6779.066655][ T74] [ 6779.068591][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6779.068831][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6779.068831][ T74] netdev_get_by_index+0x5e/0x80 [ 6779.068831][ T74] fib6_nh_init+0x3d8/0x1580 [ 6779.068831][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6779.068831][ T74] ip6_route_add+0x1c/0x140 [ 6779.068831][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6779.068831][ T74] inet6_addr_add+0x4f8/0xa40 [ 6779.068831][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6779.068831][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6779.068831][ T74] netlink_rcv_skb+0x130/0x360 [ 6779.068831][ T74] netlink_unicast+0x449/0x710 [ 6779.068831][ T74] netlink_sendmsg+0x723/0xbe0 [ 6779.068831][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6779.068831][ T74] ___sys_sendmsg+0xee/0x170 [ 6779.068831][ T74] __sys_sendmsg+0xcd/0x170 [ 6779.068831][ T74] do_syscall_64+0xc6/0x1e0 [ 6779.068831][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6779.068831][ T74] [ 6779.071120][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6779.071120][ T74] netdev_get_by_index+0x5e/0x80 [ 6779.071120][ T74] fib6_nh_init+0x3d8/0x1580 [ 6779.071120][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6779.071120][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6779.071120][ T74] ipv6_add_addr+0x411/0x2000 [ 6779.071120][ T74] inet6_addr_add+0x30e/0xa40 [ 6779.071120][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6779.071120][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6779.071120][ T74] netlink_rcv_skb+0x130/0x360 [ 6779.071120][ T74] netlink_unicast+0x449/0x710 [ 6779.071120][ T74] netlink_sendmsg+0x723/0xbe0 [ 6779.071120][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6779.071120][ T74] ___sys_sendmsg+0xee/0x170 [ 6779.071120][ T74] __sys_sendmsg+0xcd/0x170 [ 6779.071120][ T74] do_syscall_64+0xc6/0x1e0 [ 6779.071120][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6779.071120][ T74] [ 6779.073344][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6779.073344][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6779.073344][ T74] ipv6_find_idev+0x102/0x170 [ 6779.073344][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6779.073344][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6779.073344][ T74] netlink_rcv_skb+0x130/0x360 [ 6779.073344][ T74] netlink_unicast+0x449/0x710 [ 6779.073344][ T74] netlink_sendmsg+0x723/0xbe0 [ 6779.073344][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6779.073344][ T74] ___sys_sendmsg+0xee/0x170 [ 6779.073344][ T74] __sys_sendmsg+0xcd/0x170 [ 6779.073344][ T74] do_syscall_64+0xc6/0x1e0 [ 6779.073344][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6779.073344][ T74] [ 6779.075053][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6779.075053][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6779.075053][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6779.075053][ T74] ipv6_find_idev+0x102/0x170 [ 6779.075053][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6779.075053][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6779.075053][ T74] netlink_rcv_skb+0x130/0x360 [ 6779.075053][ T74] netlink_unicast+0x449/0x710 [ 6779.075053][ T74] netlink_sendmsg+0x723/0xbe0 [ 6779.075053][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6779.075053][ T74] ___sys_sendmsg+0xee/0x170 [ 6779.075053][ T74] __sys_sendmsg+0xcd/0x170 [ 6779.075053][ T74] do_syscall_64+0xc6/0x1e0 [ 6779.075053][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6779.075053][ T74] [ 6789.319959][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6789.320407][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6789.320407][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6789.320407][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6789.320407][ T74] fib6_nh_init+0xa22/0x1580 [ 6789.320407][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6789.320407][ T74] ip6_route_add+0x1c/0x140 [ 6789.320407][ T74] inet6_rtm_newroute+0x104/0x110 [ 6789.320407][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6789.320407][ T74] netlink_rcv_skb+0x130/0x360 [ 6789.320407][ T74] netlink_unicast+0x449/0x710 [ 6789.320407][ T74] netlink_sendmsg+0x723/0xbe0 [ 6789.320407][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6789.320407][ T74] ___sys_sendmsg+0xee/0x170 [ 6789.320407][ T74] __sys_sendmsg+0xcd/0x170 [ 6789.320407][ T74] do_syscall_64+0xc6/0x1e0 [ 6789.320407][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6789.320407][ T74] [ 6789.322292][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6789.322292][ T74] netdev_get_by_index+0x5e/0x80 [ 6789.322292][ T74] fib6_nh_init+0x3d8/0x1580 [ 6789.322292][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6789.322292][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6789.322292][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6789.322292][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6789.322292][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6789.322292][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6789.322292][ T74] addrconf_dad_begin+0x310/0x670 [ 6789.322292][ T74] addrconf_dad_work+0x10b/0xab0 [ 6789.322292][ T74] process_one_work+0x84d/0x18a0 [ 6789.322292][ T74] worker_thread+0x587/0xd30 [ 6789.322292][ T74] kthread+0x28a/0x350 [ 6789.322292][ T74] ret_from_fork+0x31/0x70 [ 6789.322292][ T74] ret_from_fork_asm+0x1a/0x30 [ 6789.322292][ T74] [ 6789.324198][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6789.324198][ T74] netdev_get_by_index+0x5e/0x80 [ 6789.324198][ T74] fib6_nh_init+0x3d8/0x1580 [ 6789.324198][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6789.324198][ T74] ip6_route_add+0x1c/0x140 [ 6789.324198][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6789.324198][ T74] inet6_addr_add+0x4f8/0xa40 [ 6789.324198][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6789.324198][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6789.324198][ T74] netlink_rcv_skb+0x130/0x360 [ 6789.324198][ T74] netlink_unicast+0x449/0x710 [ 6789.324198][ T74] netlink_sendmsg+0x723/0xbe0 [ 6789.324198][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6789.324198][ T74] ___sys_sendmsg+0xee/0x170 [ 6789.324198][ T74] __sys_sendmsg+0xcd/0x170 [ 6789.324198][ T74] do_syscall_64+0xc6/0x1e0 [ 6789.324198][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6789.324198][ T74] [ 6789.326192][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6789.326192][ T74] netdev_get_by_index+0x5e/0x80 [ 6789.326192][ T74] fib6_nh_init+0x3d8/0x1580 [ 6789.326192][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6789.326192][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6789.326192][ T74] ipv6_add_addr+0x411/0x2000 [ 6789.326192][ T74] inet6_addr_add+0x30e/0xa40 [ 6789.326192][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6789.326192][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6789.326192][ T74] netlink_rcv_skb+0x130/0x360 [ 6789.326192][ T74] netlink_unicast+0x449/0x710 [ 6789.326192][ T74] netlink_sendmsg+0x723/0xbe0 [ 6789.326192][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6789.326192][ T74] ___sys_sendmsg+0xee/0x170 [ 6789.326192][ T74] __sys_sendmsg+0xcd/0x170 [ 6789.326192][ T74] do_syscall_64+0xc6/0x1e0 [ 6789.326192][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6789.326192][ T74] [ 6789.328188][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6789.328188][ T74] netdev_get_by_index+0x5e/0x80 [ 6789.328188][ T74] fib6_nh_init+0x3d8/0x1580 [ 6789.328188][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6789.328188][ T74] ip6_route_add+0x1c/0x140 [ 6789.328188][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6789.328188][ T74] addrconf_add_dev+0xe2/0x170 [ 6789.328188][ T74] inet6_addr_add+0x12f/0xa40 [ 6789.328188][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6789.328188][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6789.328188][ T74] netlink_rcv_skb+0x130/0x360 [ 6789.328188][ T74] netlink_unicast+0x449/0x710 [ 6789.328188][ T74] netlink_sendmsg+0x723/0xbe0 [ 6789.328188][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6789.328188][ T74] ___sys_sendmsg+0xee/0x170 [ 6789.328188][ T74] __sys_sendmsg+0xcd/0x170 [ 6789.328188][ T74] do_syscall_64+0xc6/0x1e0 [ 6789.328188][ T74] [ 6789.330158][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6789.330158][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6789.330158][ T74] ipv6_find_idev+0x102/0x170 [ 6789.330158][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6789.330158][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6789.330158][ T74] netlink_rcv_skb+0x130/0x360 [ 6789.330158][ T74] netlink_unicast+0x449/0x710 [ 6789.330158][ T74] netlink_sendmsg+0x723/0xbe0 [ 6789.330158][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6789.330158][ T74] ___sys_sendmsg+0xee/0x170 [ 6789.330158][ T74] __sys_sendmsg+0xcd/0x170 [ 6789.330158][ T74] do_syscall_64+0xc6/0x1e0 [ 6789.330158][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6789.330158][ T74] [ 6789.331691][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6789.331691][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6789.331691][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6789.331691][ T74] ipv6_find_idev+0x102/0x170 [ 6789.331691][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6789.331691][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6789.331691][ T74] netlink_rcv_skb+0x130/0x360 [ 6789.331691][ T74] netlink_unicast+0x449/0x710 [ 6789.331691][ T74] netlink_sendmsg+0x723/0xbe0 [ 6789.331691][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6789.331691][ T74] ___sys_sendmsg+0xee/0x170 [ 6789.331691][ T74] __sys_sendmsg+0xcd/0x170 [ 6789.331691][ T74] do_syscall_64+0xc6/0x1e0 [ 6789.331691][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6789.331691][ T74] [ 6789.333371][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6789.333651][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6789.333651][ T74] dst_init+0x84/0x4a0 [ 6789.333651][ T74] dst_alloc+0x97/0x150 [ 6789.333651][ T74] ip6_dst_alloc+0x23/0x90 [ 6789.333651][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6789.333651][ T74] ip6_pol_route+0x56f/0x840 [ 6789.333651][ T74] fib6_rule_lookup+0x456/0x630 [ 6789.333651][ T74] ip6_route_input+0x59c/0xa50 [ 6789.333651][ T74] ipv6_rcv+0x397/0x810 [ 6789.333651][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6789.333651][ T74] process_backlog+0x101/0x620 [ 6789.333651][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6789.333651][ T74] net_rx_action+0x495/0xbe0 [ 6789.333651][ T74] __do_softirq+0x1b5/0x7f6 [ 6789.333651][ T74] [ 6789.335279][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6789.335279][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6789.335279][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6789.335279][ T74] fib6_nh_init+0xa22/0x1580 [ 6789.335279][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6789.335279][ T74] ip6_route_add+0x1c/0x140 [ 6789.335279][ T74] inet6_rtm_newroute+0x104/0x110 [ 6789.335279][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6789.335279][ T74] netlink_rcv_skb+0x130/0x360 [ 6789.335279][ T74] netlink_unicast+0x449/0x710 [ 6789.335279][ T74] netlink_sendmsg+0x723/0xbe0 [ 6789.335279][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6789.335279][ T74] ___sys_sendmsg+0xee/0x170 [ 6789.335279][ T74] __sys_sendmsg+0xcd/0x170 [ 6789.335279][ T74] do_syscall_64+0xc6/0x1e0 [ 6789.335279][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6789.335279][ T74] [ 6789.337151][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6789.337151][ T74] netdev_get_by_index+0x5e/0x80 [ 6789.337151][ T74] fib6_nh_init+0x3d8/0x1580 [ 6789.337151][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6789.337151][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6789.337151][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6789.337151][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6789.337151][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6789.337151][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6789.337151][ T74] addrconf_dad_begin+0x310/0x670 [ 6789.337151][ T74] addrconf_dad_work+0x10b/0xab0 [ 6789.337151][ T74] process_one_work+0x84d/0x18a0 [ 6789.337151][ T74] worker_thread+0x587/0xd30 [ 6789.337151][ T74] kthread+0x28a/0x350 [ 6789.337151][ T74] ret_from_fork+0x31/0x70 [ 6789.337151][ T74] ret_from_fork_asm+0x1a/0x30 [ 6789.337151][ T74] [ 6789.339058][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6789.339058][ T74] netdev_get_by_index+0x5e/0x80 [ 6789.339058][ T74] fib6_nh_init+0x3d8/0x1580 [ 6789.339058][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6789.339058][ T74] ip6_route_add+0x1c/0x140 [ 6789.339058][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6789.339058][ T74] inet6_addr_add+0x4f8/0xa40 [ 6789.339058][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6789.339058][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6789.339058][ T74] netlink_rcv_skb+0x130/0x360 [ 6789.339058][ T74] netlink_unicast+0x449/0x710 [ 6789.339058][ T74] netlink_sendmsg+0x723/0xbe0 [ 6789.339058][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6789.339058][ T74] ___sys_sendmsg+0xee/0x170 [ 6789.339058][ T74] __sys_sendmsg+0xcd/0x170 [ 6789.339058][ T74] do_syscall_64+0xc6/0x1e0 [ 6789.339058][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6789.339058][ T74] [ 6789.341048][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6789.341048][ T74] netdev_get_by_index+0x5e/0x80 [ 6789.341048][ T74] fib6_nh_init+0x3d8/0x1580 [ 6789.341048][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6789.341048][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6789.341048][ T74] ipv6_add_addr+0x411/0x2000 [ 6789.341048][ T74] inet6_addr_add+0x30e/0xa40 [ 6789.341048][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6789.341048][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6789.341048][ T74] netlink_rcv_skb+0x130/0x360 [ 6789.341048][ T74] netlink_unicast+0x449/0x710 [ 6789.341048][ T74] netlink_sendmsg+0x723/0xbe0 [ 6789.341048][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6789.341048][ T74] ___sys_sendmsg+0xee/0x170 [ 6789.341048][ T74] __sys_sendmsg+0xcd/0x170 [ 6789.341048][ T74] do_syscall_64+0xc6/0x1e0 [ 6789.341048][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6789.341048][ T74] [ 6789.343038][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6789.343038][ T74] netdev_get_by_index+0x5e/0x80 [ 6789.343038][ T74] fib6_nh_init+0x3d8/0x1580 [ 6789.343038][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6789.343038][ T74] ip6_route_add+0x1c/0x140 [ 6789.343038][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6789.343038][ T74] addrconf_add_dev+0xe2/0x170 [ 6789.343038][ T74] inet6_addr_add+0x12f/0xa40 [ 6789.343038][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6789.343038][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6789.343038][ T74] netlink_rcv_skb+0x130/0x360 [ 6789.343038][ T74] netlink_unicast+0x449/0x710 [ 6789.343038][ T74] netlink_sendmsg+0x723/0xbe0 [ 6789.343038][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6789.343038][ T74] ___sys_sendmsg+0xee/0x170 [ 6789.343038][ T74] __sys_sendmsg+0xcd/0x170 [ 6789.343038][ T74] do_syscall_64+0xc6/0x1e0 [ 6789.343038][ T74] [ 6789.344995][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6789.344995][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6789.344995][ T74] ipv6_find_idev+0x102/0x170 [ 6789.344995][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6789.344995][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6789.344995][ T74] netlink_rcv_skb+0x130/0x360 [ 6789.344995][ T74] netlink_unicast+0x449/0x710 [ 6789.344995][ T74] netlink_sendmsg+0x723/0xbe0 [ 6789.344995][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6789.344995][ T74] ___sys_sendmsg+0xee/0x170 [ 6789.344995][ T74] __sys_sendmsg+0xcd/0x170 [ 6789.344995][ T74] do_syscall_64+0xc6/0x1e0 [ 6789.344995][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6789.344995][ T74] [ 6789.346655][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6789.346655][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6789.346655][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6789.346655][ T74] ipv6_find_idev+0x102/0x170 [ 6789.346655][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6789.346655][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6789.346655][ T74] netlink_rcv_skb+0x130/0x360 [ 6789.346655][ T74] netlink_unicast+0x449/0x710 [ 6789.346655][ T74] netlink_sendmsg+0x723/0xbe0 [ 6789.346655][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6789.346655][ T74] ___sys_sendmsg+0xee/0x170 [ 6789.346655][ T74] __sys_sendmsg+0xcd/0x170 [ 6789.346655][ T74] do_syscall_64+0xc6/0x1e0 [ 6789.346655][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6789.346655][ T74] [ 6789.348568][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6789.348806][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6789.348806][ T74] netdev_get_by_index+0x5e/0x80 [ 6789.348806][ T74] fib6_nh_init+0x3d8/0x1580 [ 6789.348806][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6789.348806][ T74] ip6_route_add+0x1c/0x140 [ 6789.348806][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6789.348806][ T74] inet6_addr_add+0x4f8/0xa40 [ 6789.348806][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6789.348806][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6789.348806][ T74] netlink_rcv_skb+0x130/0x360 [ 6789.348806][ T74] netlink_unicast+0x449/0x710 [ 6789.348806][ T74] netlink_sendmsg+0x723/0xbe0 [ 6789.348806][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6789.348806][ T74] ___sys_sendmsg+0xee/0x170 [ 6789.348806][ T74] __sys_sendmsg+0xcd/0x170 [ 6789.348806][ T74] do_syscall_64+0xc6/0x1e0 [ 6789.348806][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6789.348806][ T74] [ 6789.351037][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6789.351037][ T74] netdev_get_by_index+0x5e/0x80 [ 6789.351037][ T74] fib6_nh_init+0x3d8/0x1580 [ 6789.351037][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6789.351037][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6789.351037][ T74] ipv6_add_addr+0x411/0x2000 [ 6789.351037][ T74] inet6_addr_add+0x30e/0xa40 [ 6789.351037][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6789.351037][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6789.351037][ T74] netlink_rcv_skb+0x130/0x360 [ 6789.351037][ T74] netlink_unicast+0x449/0x710 [ 6789.351037][ T74] netlink_sendmsg+0x723/0xbe0 [ 6789.351037][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6789.351037][ T74] ___sys_sendmsg+0xee/0x170 [ 6789.351037][ T74] __sys_sendmsg+0xcd/0x170 [ 6789.351037][ T74] do_syscall_64+0xc6/0x1e0 [ 6789.351037][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6789.351037][ T74] [ 6789.353272][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6789.353272][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6789.353272][ T74] ipv6_find_idev+0x102/0x170 [ 6789.353272][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6789.353272][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6789.353272][ T74] netlink_rcv_skb+0x130/0x360 [ 6789.353272][ T74] netlink_unicast+0x449/0x710 [ 6789.353272][ T74] netlink_sendmsg+0x723/0xbe0 [ 6789.353272][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6789.353272][ T74] ___sys_sendmsg+0xee/0x170 [ 6789.353272][ T74] __sys_sendmsg+0xcd/0x170 [ 6789.353272][ T74] do_syscall_64+0xc6/0x1e0 [ 6789.353272][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6789.353272][ T74] [ 6789.354926][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6789.354926][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6789.354926][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6789.354926][ T74] ipv6_find_idev+0x102/0x170 [ 6789.354926][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6789.354926][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6789.354926][ T74] netlink_rcv_skb+0x130/0x360 [ 6789.354926][ T74] netlink_unicast+0x449/0x710 [ 6789.354926][ T74] netlink_sendmsg+0x723/0xbe0 [ 6789.354926][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6789.354926][ T74] ___sys_sendmsg+0xee/0x170 [ 6789.354926][ T74] __sys_sendmsg+0xcd/0x170 [ 6789.354926][ T74] do_syscall_64+0xc6/0x1e0 [ 6789.354926][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6789.354926][ T74] [ 6799.592023][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6799.592445][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6799.592445][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6799.592445][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6799.592445][ T74] fib6_nh_init+0xa22/0x1580 [ 6799.592445][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6799.592445][ T74] ip6_route_add+0x1c/0x140 [ 6799.592445][ T74] inet6_rtm_newroute+0x104/0x110 [ 6799.592445][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6799.592445][ T74] netlink_rcv_skb+0x130/0x360 [ 6799.592445][ T74] netlink_unicast+0x449/0x710 [ 6799.592445][ T74] netlink_sendmsg+0x723/0xbe0 [ 6799.592445][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6799.592445][ T74] ___sys_sendmsg+0xee/0x170 [ 6799.592445][ T74] __sys_sendmsg+0xcd/0x170 [ 6799.592445][ T74] do_syscall_64+0xc6/0x1e0 [ 6799.592445][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6799.592445][ T74] [ 6799.594336][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6799.594336][ T74] netdev_get_by_index+0x5e/0x80 [ 6799.594336][ T74] fib6_nh_init+0x3d8/0x1580 [ 6799.594336][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6799.594336][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6799.594336][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6799.594336][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6799.594336][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6799.594336][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6799.594336][ T74] addrconf_dad_begin+0x310/0x670 [ 6799.594336][ T74] addrconf_dad_work+0x10b/0xab0 [ 6799.594336][ T74] process_one_work+0x84d/0x18a0 [ 6799.594336][ T74] worker_thread+0x587/0xd30 [ 6799.594336][ T74] kthread+0x28a/0x350 [ 6799.594336][ T74] ret_from_fork+0x31/0x70 [ 6799.594336][ T74] ret_from_fork_asm+0x1a/0x30 [ 6799.594336][ T74] [ 6799.596251][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6799.596251][ T74] netdev_get_by_index+0x5e/0x80 [ 6799.596251][ T74] fib6_nh_init+0x3d8/0x1580 [ 6799.596251][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6799.596251][ T74] ip6_route_add+0x1c/0x140 [ 6799.596251][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6799.596251][ T74] inet6_addr_add+0x4f8/0xa40 [ 6799.596251][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6799.596251][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6799.596251][ T74] netlink_rcv_skb+0x130/0x360 [ 6799.596251][ T74] netlink_unicast+0x449/0x710 [ 6799.596251][ T74] netlink_sendmsg+0x723/0xbe0 [ 6799.596251][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6799.596251][ T74] ___sys_sendmsg+0xee/0x170 [ 6799.596251][ T74] __sys_sendmsg+0xcd/0x170 [ 6799.596251][ T74] do_syscall_64+0xc6/0x1e0 [ 6799.596251][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6799.596251][ T74] [ 6799.598246][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6799.598246][ T74] netdev_get_by_index+0x5e/0x80 [ 6799.598246][ T74] fib6_nh_init+0x3d8/0x1580 [ 6799.598246][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6799.598246][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6799.598246][ T74] ipv6_add_addr+0x411/0x2000 [ 6799.598246][ T74] inet6_addr_add+0x30e/0xa40 [ 6799.598246][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6799.598246][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6799.598246][ T74] netlink_rcv_skb+0x130/0x360 [ 6799.598246][ T74] netlink_unicast+0x449/0x710 [ 6799.598246][ T74] netlink_sendmsg+0x723/0xbe0 [ 6799.598246][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6799.598246][ T74] ___sys_sendmsg+0xee/0x170 [ 6799.598246][ T74] __sys_sendmsg+0xcd/0x170 [ 6799.598246][ T74] do_syscall_64+0xc6/0x1e0 [ 6799.598246][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6799.598246][ T74] [ 6799.600247][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6799.600247][ T74] netdev_get_by_index+0x5e/0x80 [ 6799.600247][ T74] fib6_nh_init+0x3d8/0x1580 [ 6799.600247][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6799.600247][ T74] ip6_route_add+0x1c/0x140 [ 6799.600247][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6799.600247][ T74] addrconf_add_dev+0xe2/0x170 [ 6799.600247][ T74] inet6_addr_add+0x12f/0xa40 [ 6799.600247][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6799.600247][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6799.600247][ T74] netlink_rcv_skb+0x130/0x360 [ 6799.600247][ T74] netlink_unicast+0x449/0x710 [ 6799.600247][ T74] netlink_sendmsg+0x723/0xbe0 [ 6799.600247][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6799.600247][ T74] ___sys_sendmsg+0xee/0x170 [ 6799.600247][ T74] __sys_sendmsg+0xcd/0x170 [ 6799.600247][ T74] do_syscall_64+0xc6/0x1e0 [ 6799.600247][ T74] [ 6799.602216][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6799.602216][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6799.602216][ T74] ipv6_find_idev+0x102/0x170 [ 6799.602216][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6799.602216][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6799.602216][ T74] netlink_rcv_skb+0x130/0x360 [ 6799.602216][ T74] netlink_unicast+0x449/0x710 [ 6799.602216][ T74] netlink_sendmsg+0x723/0xbe0 [ 6799.602216][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6799.602216][ T74] ___sys_sendmsg+0xee/0x170 [ 6799.602216][ T74] __sys_sendmsg+0xcd/0x170 [ 6799.602216][ T74] do_syscall_64+0xc6/0x1e0 [ 6799.602216][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6799.602216][ T74] [ 6799.603746][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6799.603746][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6799.603746][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6799.603746][ T74] ipv6_find_idev+0x102/0x170 [ 6799.603746][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6799.603746][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6799.603746][ T74] netlink_rcv_skb+0x130/0x360 [ 6799.603746][ T74] netlink_unicast+0x449/0x710 [ 6799.603746][ T74] netlink_sendmsg+0x723/0xbe0 [ 6799.603746][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6799.603746][ T74] ___sys_sendmsg+0xee/0x170 [ 6799.603746][ T74] __sys_sendmsg+0xcd/0x170 [ 6799.603746][ T74] do_syscall_64+0xc6/0x1e0 [ 6799.603746][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6799.603746][ T74] [ 6799.605442][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6799.605718][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6799.605718][ T74] dst_init+0x84/0x4a0 [ 6799.605718][ T74] dst_alloc+0x97/0x150 [ 6799.605718][ T74] ip6_dst_alloc+0x23/0x90 [ 6799.605718][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6799.605718][ T74] ip6_pol_route+0x56f/0x840 [ 6799.605718][ T74] fib6_rule_lookup+0x456/0x630 [ 6799.605718][ T74] ip6_route_input+0x59c/0xa50 [ 6799.605718][ T74] ipv6_rcv+0x397/0x810 [ 6799.605718][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6799.605718][ T74] process_backlog+0x101/0x620 [ 6799.605718][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6799.605718][ T74] net_rx_action+0x495/0xbe0 [ 6799.605718][ T74] __do_softirq+0x1b5/0x7f6 [ 6799.605718][ T74] [ 6799.607355][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6799.607355][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6799.607355][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6799.607355][ T74] fib6_nh_init+0xa22/0x1580 [ 6799.607355][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6799.607355][ T74] ip6_route_add+0x1c/0x140 [ 6799.607355][ T74] inet6_rtm_newroute+0x104/0x110 [ 6799.607355][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6799.607355][ T74] netlink_rcv_skb+0x130/0x360 [ 6799.607355][ T74] netlink_unicast+0x449/0x710 [ 6799.607355][ T74] netlink_sendmsg+0x723/0xbe0 [ 6799.607355][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6799.607355][ T74] ___sys_sendmsg+0xee/0x170 [ 6799.607355][ T74] __sys_sendmsg+0xcd/0x170 [ 6799.607355][ T74] do_syscall_64+0xc6/0x1e0 [ 6799.607355][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6799.607355][ T74] [ 6799.609224][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6799.609224][ T74] netdev_get_by_index+0x5e/0x80 [ 6799.609224][ T74] fib6_nh_init+0x3d8/0x1580 [ 6799.609224][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6799.609224][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6799.609224][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6799.609224][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6799.609224][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6799.609224][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6799.609224][ T74] addrconf_dad_begin+0x310/0x670 [ 6799.609224][ T74] addrconf_dad_work+0x10b/0xab0 [ 6799.609224][ T74] process_one_work+0x84d/0x18a0 [ 6799.609224][ T74] worker_thread+0x587/0xd30 [ 6799.609224][ T74] kthread+0x28a/0x350 [ 6799.609224][ T74] ret_from_fork+0x31/0x70 [ 6799.609224][ T74] ret_from_fork_asm+0x1a/0x30 [ 6799.609224][ T74] [ 6799.611124][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6799.611124][ T74] netdev_get_by_index+0x5e/0x80 [ 6799.611124][ T74] fib6_nh_init+0x3d8/0x1580 [ 6799.611124][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6799.611124][ T74] ip6_route_add+0x1c/0x140 [ 6799.611124][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6799.611124][ T74] inet6_addr_add+0x4f8/0xa40 [ 6799.611124][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6799.611124][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6799.611124][ T74] netlink_rcv_skb+0x130/0x360 [ 6799.611124][ T74] netlink_unicast+0x449/0x710 [ 6799.611124][ T74] netlink_sendmsg+0x723/0xbe0 [ 6799.611124][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6799.611124][ T74] ___sys_sendmsg+0xee/0x170 [ 6799.611124][ T74] __sys_sendmsg+0xcd/0x170 [ 6799.611124][ T74] do_syscall_64+0xc6/0x1e0 [ 6799.611124][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6799.611124][ T74] [ 6799.613109][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6799.613109][ T74] netdev_get_by_index+0x5e/0x80 [ 6799.613109][ T74] fib6_nh_init+0x3d8/0x1580 [ 6799.613109][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6799.613109][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6799.613109][ T74] ipv6_add_addr+0x411/0x2000 [ 6799.613109][ T74] inet6_addr_add+0x30e/0xa40 [ 6799.613109][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6799.613109][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6799.613109][ T74] netlink_rcv_skb+0x130/0x360 [ 6799.613109][ T74] netlink_unicast+0x449/0x710 [ 6799.613109][ T74] netlink_sendmsg+0x723/0xbe0 [ 6799.613109][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6799.613109][ T74] ___sys_sendmsg+0xee/0x170 [ 6799.613109][ T74] __sys_sendmsg+0xcd/0x170 [ 6799.613109][ T74] do_syscall_64+0xc6/0x1e0 [ 6799.613109][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6799.613109][ T74] [ 6799.615103][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6799.615103][ T74] netdev_get_by_index+0x5e/0x80 [ 6799.615103][ T74] fib6_nh_init+0x3d8/0x1580 [ 6799.615103][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6799.615103][ T74] ip6_route_add+0x1c/0x140 [ 6799.615103][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6799.615103][ T74] addrconf_add_dev+0xe2/0x170 [ 6799.615103][ T74] inet6_addr_add+0x12f/0xa40 [ 6799.615103][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6799.615103][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6799.615103][ T74] netlink_rcv_skb+0x130/0x360 [ 6799.615103][ T74] netlink_unicast+0x449/0x710 [ 6799.615103][ T74] netlink_sendmsg+0x723/0xbe0 [ 6799.615103][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6799.615103][ T74] ___sys_sendmsg+0xee/0x170 [ 6799.615103][ T74] __sys_sendmsg+0xcd/0x170 [ 6799.615103][ T74] do_syscall_64+0xc6/0x1e0 [ 6799.615103][ T74] [ 6799.617067][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6799.617067][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6799.617067][ T74] ipv6_find_idev+0x102/0x170 [ 6799.617067][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6799.617067][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6799.617067][ T74] netlink_rcv_skb+0x130/0x360 [ 6799.617067][ T74] netlink_unicast+0x449/0x710 [ 6799.617067][ T74] netlink_sendmsg+0x723/0xbe0 [ 6799.617067][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6799.617067][ T74] ___sys_sendmsg+0xee/0x170 [ 6799.617067][ T74] __sys_sendmsg+0xcd/0x170 [ 6799.617067][ T74] do_syscall_64+0xc6/0x1e0 [ 6799.617067][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6799.617067][ T74] [ 6799.618660][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6799.618660][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6799.618660][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6799.618660][ T74] ipv6_find_idev+0x102/0x170 [ 6799.618660][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6799.618660][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6799.618660][ T74] netlink_rcv_skb+0x130/0x360 [ 6799.618660][ T74] netlink_unicast+0x449/0x710 [ 6799.618660][ T74] netlink_sendmsg+0x723/0xbe0 [ 6799.618660][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6799.618660][ T74] ___sys_sendmsg+0xee/0x170 [ 6799.618660][ T74] __sys_sendmsg+0xcd/0x170 [ 6799.618660][ T74] do_syscall_64+0xc6/0x1e0 [ 6799.618660][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6799.618660][ T74] [ 6799.621149][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6799.621398][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6799.621398][ T74] netdev_get_by_index+0x5e/0x80 [ 6799.621398][ T74] fib6_nh_init+0x3d8/0x1580 [ 6799.621398][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6799.621398][ T74] ip6_route_add+0x1c/0x140 [ 6799.621398][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6799.621398][ T74] inet6_addr_add+0x4f8/0xa40 [ 6799.621398][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6799.621398][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6799.621398][ T74] netlink_rcv_skb+0x130/0x360 [ 6799.621398][ T74] netlink_unicast+0x449/0x710 [ 6799.621398][ T74] netlink_sendmsg+0x723/0xbe0 [ 6799.621398][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6799.621398][ T74] ___sys_sendmsg+0xee/0x170 [ 6799.621398][ T74] __sys_sendmsg+0xcd/0x170 [ 6799.621398][ T74] do_syscall_64+0xc6/0x1e0 [ 6799.621398][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6799.621398][ T74] [ 6799.623649][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6799.623649][ T74] netdev_get_by_index+0x5e/0x80 [ 6799.623649][ T74] fib6_nh_init+0x3d8/0x1580 [ 6799.623649][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6799.623649][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6799.623649][ T74] ipv6_add_addr+0x411/0x2000 [ 6799.623649][ T74] inet6_addr_add+0x30e/0xa40 [ 6799.623649][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6799.623649][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6799.623649][ T74] netlink_rcv_skb+0x130/0x360 [ 6799.623649][ T74] netlink_unicast+0x449/0x710 [ 6799.623649][ T74] netlink_sendmsg+0x723/0xbe0 [ 6799.623649][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6799.623649][ T74] ___sys_sendmsg+0xee/0x170 [ 6799.623649][ T74] __sys_sendmsg+0xcd/0x170 [ 6799.623649][ T74] do_syscall_64+0xc6/0x1e0 [ 6799.623649][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6799.623649][ T74] [ 6799.625884][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6799.625884][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6799.625884][ T74] ipv6_find_idev+0x102/0x170 [ 6799.625884][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6799.625884][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6799.625884][ T74] netlink_rcv_skb+0x130/0x360 [ 6799.625884][ T74] netlink_unicast+0x449/0x710 [ 6799.625884][ T74] netlink_sendmsg+0x723/0xbe0 [ 6799.625884][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6799.625884][ T74] ___sys_sendmsg+0xee/0x170 [ 6799.625884][ T74] __sys_sendmsg+0xcd/0x170 [ 6799.625884][ T74] do_syscall_64+0xc6/0x1e0 [ 6799.625884][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6799.625884][ T74] [ 6799.627477][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6799.627477][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6799.627477][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6799.627477][ T74] ipv6_find_idev+0x102/0x170 [ 6799.627477][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6799.627477][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6799.627477][ T74] netlink_rcv_skb+0x130/0x360 [ 6799.627477][ T74] netlink_unicast+0x449/0x710 [ 6799.627477][ T74] netlink_sendmsg+0x723/0xbe0 [ 6799.627477][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6799.627477][ T74] ___sys_sendmsg+0xee/0x170 [ 6799.627477][ T74] __sys_sendmsg+0xcd/0x170 [ 6799.627477][ T74] do_syscall_64+0xc6/0x1e0 [ 6799.627477][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6799.627477][ T74] [ 6809.871966][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6809.872385][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6809.872385][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6809.872385][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6809.872385][ T74] fib6_nh_init+0xa22/0x1580 [ 6809.872385][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6809.872385][ T74] ip6_route_add+0x1c/0x140 [ 6809.872385][ T74] inet6_rtm_newroute+0x104/0x110 [ 6809.872385][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6809.872385][ T74] netlink_rcv_skb+0x130/0x360 [ 6809.872385][ T74] netlink_unicast+0x449/0x710 [ 6809.872385][ T74] netlink_sendmsg+0x723/0xbe0 [ 6809.872385][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6809.872385][ T74] ___sys_sendmsg+0xee/0x170 [ 6809.872385][ T74] __sys_sendmsg+0xcd/0x170 [ 6809.872385][ T74] do_syscall_64+0xc6/0x1e0 [ 6809.872385][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6809.872385][ T74] [ 6809.874272][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6809.874272][ T74] netdev_get_by_index+0x5e/0x80 [ 6809.874272][ T74] fib6_nh_init+0x3d8/0x1580 [ 6809.874272][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6809.874272][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6809.874272][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6809.874272][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6809.874272][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6809.874272][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6809.874272][ T74] addrconf_dad_begin+0x310/0x670 [ 6809.874272][ T74] addrconf_dad_work+0x10b/0xab0 [ 6809.874272][ T74] process_one_work+0x84d/0x18a0 [ 6809.874272][ T74] worker_thread+0x587/0xd30 [ 6809.874272][ T74] kthread+0x28a/0x350 [ 6809.874272][ T74] ret_from_fork+0x31/0x70 [ 6809.874272][ T74] ret_from_fork_asm+0x1a/0x30 [ 6809.874272][ T74] [ 6809.876193][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6809.876193][ T74] netdev_get_by_index+0x5e/0x80 [ 6809.876193][ T74] fib6_nh_init+0x3d8/0x1580 [ 6809.876193][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6809.876193][ T74] ip6_route_add+0x1c/0x140 [ 6809.876193][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6809.876193][ T74] inet6_addr_add+0x4f8/0xa40 [ 6809.876193][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6809.876193][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6809.876193][ T74] netlink_rcv_skb+0x130/0x360 [ 6809.876193][ T74] netlink_unicast+0x449/0x710 [ 6809.876193][ T74] netlink_sendmsg+0x723/0xbe0 [ 6809.876193][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6809.876193][ T74] ___sys_sendmsg+0xee/0x170 [ 6809.876193][ T74] __sys_sendmsg+0xcd/0x170 [ 6809.876193][ T74] do_syscall_64+0xc6/0x1e0 [ 6809.876193][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6809.876193][ T74] [ 6809.878192][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6809.878192][ T74] netdev_get_by_index+0x5e/0x80 [ 6809.878192][ T74] fib6_nh_init+0x3d8/0x1580 [ 6809.878192][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6809.878192][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6809.878192][ T74] ipv6_add_addr+0x411/0x2000 [ 6809.878192][ T74] inet6_addr_add+0x30e/0xa40 [ 6809.878192][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6809.878192][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6809.878192][ T74] netlink_rcv_skb+0x130/0x360 [ 6809.878192][ T74] netlink_unicast+0x449/0x710 [ 6809.878192][ T74] netlink_sendmsg+0x723/0xbe0 [ 6809.878192][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6809.878192][ T74] ___sys_sendmsg+0xee/0x170 [ 6809.878192][ T74] __sys_sendmsg+0xcd/0x170 [ 6809.878192][ T74] do_syscall_64+0xc6/0x1e0 [ 6809.878192][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6809.878192][ T74] [ 6809.880200][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6809.880200][ T74] netdev_get_by_index+0x5e/0x80 [ 6809.880200][ T74] fib6_nh_init+0x3d8/0x1580 [ 6809.880200][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6809.880200][ T74] ip6_route_add+0x1c/0x140 [ 6809.880200][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6809.880200][ T74] addrconf_add_dev+0xe2/0x170 [ 6809.880200][ T74] inet6_addr_add+0x12f/0xa40 [ 6809.880200][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6809.880200][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6809.880200][ T74] netlink_rcv_skb+0x130/0x360 [ 6809.880200][ T74] netlink_unicast+0x449/0x710 [ 6809.880200][ T74] netlink_sendmsg+0x723/0xbe0 [ 6809.880200][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6809.880200][ T74] ___sys_sendmsg+0xee/0x170 [ 6809.880200][ T74] __sys_sendmsg+0xcd/0x170 [ 6809.880200][ T74] do_syscall_64+0xc6/0x1e0 [ 6809.880200][ T74] [ 6809.882152][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6809.882152][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6809.882152][ T74] ipv6_find_idev+0x102/0x170 [ 6809.882152][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6809.882152][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6809.882152][ T74] netlink_rcv_skb+0x130/0x360 [ 6809.882152][ T74] netlink_unicast+0x449/0x710 [ 6809.882152][ T74] netlink_sendmsg+0x723/0xbe0 [ 6809.882152][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6809.882152][ T74] ___sys_sendmsg+0xee/0x170 [ 6809.882152][ T74] __sys_sendmsg+0xcd/0x170 [ 6809.882152][ T74] do_syscall_64+0xc6/0x1e0 [ 6809.882152][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6809.882152][ T74] [ 6809.883682][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6809.883682][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6809.883682][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6809.883682][ T74] ipv6_find_idev+0x102/0x170 [ 6809.883682][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6809.883682][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6809.883682][ T74] netlink_rcv_skb+0x130/0x360 [ 6809.883682][ T74] netlink_unicast+0x449/0x710 [ 6809.883682][ T74] netlink_sendmsg+0x723/0xbe0 [ 6809.883682][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6809.883682][ T74] ___sys_sendmsg+0xee/0x170 [ 6809.883682][ T74] __sys_sendmsg+0xcd/0x170 [ 6809.883682][ T74] do_syscall_64+0xc6/0x1e0 [ 6809.883682][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6809.883682][ T74] [ 6809.885368][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6809.885637][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6809.885637][ T74] dst_init+0x84/0x4a0 [ 6809.885637][ T74] dst_alloc+0x97/0x150 [ 6809.885637][ T74] ip6_dst_alloc+0x23/0x90 [ 6809.885637][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6809.885637][ T74] ip6_pol_route+0x56f/0x840 [ 6809.885637][ T74] fib6_rule_lookup+0x456/0x630 [ 6809.885637][ T74] ip6_route_input+0x59c/0xa50 [ 6809.885637][ T74] ipv6_rcv+0x397/0x810 [ 6809.885637][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6809.885637][ T74] process_backlog+0x101/0x620 [ 6809.885637][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6809.885637][ T74] net_rx_action+0x495/0xbe0 [ 6809.885637][ T74] __do_softirq+0x1b5/0x7f6 [ 6809.885637][ T74] [ 6809.887273][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6809.887273][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6809.887273][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6809.887273][ T74] fib6_nh_init+0xa22/0x1580 [ 6809.887273][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6809.887273][ T74] ip6_route_add+0x1c/0x140 [ 6809.887273][ T74] inet6_rtm_newroute+0x104/0x110 [ 6809.887273][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6809.887273][ T74] netlink_rcv_skb+0x130/0x360 [ 6809.887273][ T74] netlink_unicast+0x449/0x710 [ 6809.887273][ T74] netlink_sendmsg+0x723/0xbe0 [ 6809.887273][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6809.887273][ T74] ___sys_sendmsg+0xee/0x170 [ 6809.887273][ T74] __sys_sendmsg+0xcd/0x170 [ 6809.887273][ T74] do_syscall_64+0xc6/0x1e0 [ 6809.887273][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6809.887273][ T74] [ 6809.889137][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6809.889137][ T74] netdev_get_by_index+0x5e/0x80 [ 6809.889137][ T74] fib6_nh_init+0x3d8/0x1580 [ 6809.889137][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6809.889137][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6809.889137][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6809.889137][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6809.889137][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6809.889137][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6809.889137][ T74] addrconf_dad_begin+0x310/0x670 [ 6809.889137][ T74] addrconf_dad_work+0x10b/0xab0 [ 6809.889137][ T74] process_one_work+0x84d/0x18a0 [ 6809.889137][ T74] worker_thread+0x587/0xd30 [ 6809.889137][ T74] kthread+0x28a/0x350 [ 6809.889137][ T74] ret_from_fork+0x31/0x70 [ 6809.889137][ T74] ret_from_fork_asm+0x1a/0x30 [ 6809.889137][ T74] [ 6809.891038][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6809.891038][ T74] netdev_get_by_index+0x5e/0x80 [ 6809.891038][ T74] fib6_nh_init+0x3d8/0x1580 [ 6809.891038][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6809.891038][ T74] ip6_route_add+0x1c/0x140 [ 6809.891038][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6809.891038][ T74] inet6_addr_add+0x4f8/0xa40 [ 6809.891038][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6809.891038][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6809.891038][ T74] netlink_rcv_skb+0x130/0x360 [ 6809.891038][ T74] netlink_unicast+0x449/0x710 [ 6809.891038][ T74] netlink_sendmsg+0x723/0xbe0 [ 6809.891038][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6809.891038][ T74] ___sys_sendmsg+0xee/0x170 [ 6809.891038][ T74] __sys_sendmsg+0xcd/0x170 [ 6809.891038][ T74] do_syscall_64+0xc6/0x1e0 [ 6809.891038][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6809.891038][ T74] [ 6809.893034][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6809.893034][ T74] netdev_get_by_index+0x5e/0x80 [ 6809.893034][ T74] fib6_nh_init+0x3d8/0x1580 [ 6809.893034][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6809.893034][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6809.893034][ T74] ipv6_add_addr+0x411/0x2000 [ 6809.893034][ T74] inet6_addr_add+0x30e/0xa40 [ 6809.893034][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6809.893034][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6809.893034][ T74] netlink_rcv_skb+0x130/0x360 [ 6809.893034][ T74] netlink_unicast+0x449/0x710 [ 6809.893034][ T74] netlink_sendmsg+0x723/0xbe0 [ 6809.893034][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6809.893034][ T74] ___sys_sendmsg+0xee/0x170 [ 6809.893034][ T74] __sys_sendmsg+0xcd/0x170 [ 6809.893034][ T74] do_syscall_64+0xc6/0x1e0 [ 6809.893034][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6809.893034][ T74] [ 6809.895027][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6809.895027][ T74] netdev_get_by_index+0x5e/0x80 [ 6809.895027][ T74] fib6_nh_init+0x3d8/0x1580 [ 6809.895027][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6809.895027][ T74] ip6_route_add+0x1c/0x140 [ 6809.895027][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6809.895027][ T74] addrconf_add_dev+0xe2/0x170 [ 6809.895027][ T74] inet6_addr_add+0x12f/0xa40 [ 6809.895027][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6809.895027][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6809.895027][ T74] netlink_rcv_skb+0x130/0x360 [ 6809.895027][ T74] netlink_unicast+0x449/0x710 [ 6809.895027][ T74] netlink_sendmsg+0x723/0xbe0 [ 6809.895027][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6809.895027][ T74] ___sys_sendmsg+0xee/0x170 [ 6809.895027][ T74] __sys_sendmsg+0xcd/0x170 [ 6809.895027][ T74] do_syscall_64+0xc6/0x1e0 [ 6809.895027][ T74] [ 6809.896984][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6809.896984][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6809.896984][ T74] ipv6_find_idev+0x102/0x170 [ 6809.896984][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6809.896984][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6809.896984][ T74] netlink_rcv_skb+0x130/0x360 [ 6809.896984][ T74] netlink_unicast+0x449/0x710 [ 6809.896984][ T74] netlink_sendmsg+0x723/0xbe0 [ 6809.896984][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6809.896984][ T74] ___sys_sendmsg+0xee/0x170 [ 6809.896984][ T74] __sys_sendmsg+0xcd/0x170 [ 6809.896984][ T74] do_syscall_64+0xc6/0x1e0 [ 6809.896984][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6809.896984][ T74] [ 6809.898635][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6809.898635][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6809.898635][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6809.898635][ T74] ipv6_find_idev+0x102/0x170 [ 6809.898635][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6809.898635][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6809.898635][ T74] netlink_rcv_skb+0x130/0x360 [ 6809.898635][ T74] netlink_unicast+0x449/0x710 [ 6809.898635][ T74] netlink_sendmsg+0x723/0xbe0 [ 6809.898635][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6809.898635][ T74] ___sys_sendmsg+0xee/0x170 [ 6809.898635][ T74] __sys_sendmsg+0xcd/0x170 [ 6809.898635][ T74] do_syscall_64+0xc6/0x1e0 [ 6809.898635][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6809.898635][ T74] [ 6809.900538][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6809.900776][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6809.900776][ T74] netdev_get_by_index+0x5e/0x80 [ 6809.900776][ T74] fib6_nh_init+0x3d8/0x1580 [ 6809.900776][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6809.900776][ T74] ip6_route_add+0x1c/0x140 [ 6809.900776][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6809.900776][ T74] inet6_addr_add+0x4f8/0xa40 [ 6809.900776][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6809.900776][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6809.900776][ T74] netlink_rcv_skb+0x130/0x360 [ 6809.900776][ T74] netlink_unicast+0x449/0x710 [ 6809.900776][ T74] netlink_sendmsg+0x723/0xbe0 [ 6809.900776][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6809.900776][ T74] ___sys_sendmsg+0xee/0x170 [ 6809.900776][ T74] __sys_sendmsg+0xcd/0x170 [ 6809.900776][ T74] do_syscall_64+0xc6/0x1e0 [ 6809.900776][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6809.900776][ T74] [ 6809.903004][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6809.903004][ T74] netdev_get_by_index+0x5e/0x80 [ 6809.903004][ T74] fib6_nh_init+0x3d8/0x1580 [ 6809.903004][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6809.903004][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6809.903004][ T74] ipv6_add_addr+0x411/0x2000 [ 6809.903004][ T74] inet6_addr_add+0x30e/0xa40 [ 6809.903004][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6809.903004][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6809.903004][ T74] netlink_rcv_skb+0x130/0x360 [ 6809.903004][ T74] netlink_unicast+0x449/0x710 [ 6809.903004][ T74] netlink_sendmsg+0x723/0xbe0 [ 6809.903004][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6809.903004][ T74] ___sys_sendmsg+0xee/0x170 [ 6809.903004][ T74] __sys_sendmsg+0xcd/0x170 [ 6809.903004][ T74] do_syscall_64+0xc6/0x1e0 [ 6809.903004][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6809.903004][ T74] [ 6809.905288][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6809.905288][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6809.905288][ T74] ipv6_find_idev+0x102/0x170 [ 6809.905288][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6809.905288][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6809.905288][ T74] netlink_rcv_skb+0x130/0x360 [ 6809.905288][ T74] netlink_unicast+0x449/0x710 [ 6809.905288][ T74] netlink_sendmsg+0x723/0xbe0 [ 6809.905288][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6809.905288][ T74] ___sys_sendmsg+0xee/0x170 [ 6809.905288][ T74] __sys_sendmsg+0xcd/0x170 [ 6809.905288][ T74] do_syscall_64+0xc6/0x1e0 [ 6809.905288][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6809.905288][ T74] [ 6809.906955][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6809.906955][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6809.906955][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6809.906955][ T74] ipv6_find_idev+0x102/0x170 [ 6809.906955][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6809.906955][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6809.906955][ T74] netlink_rcv_skb+0x130/0x360 [ 6809.906955][ T74] netlink_unicast+0x449/0x710 [ 6809.906955][ T74] netlink_sendmsg+0x723/0xbe0 [ 6809.906955][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6809.906955][ T74] ___sys_sendmsg+0xee/0x170 [ 6809.906955][ T74] __sys_sendmsg+0xcd/0x170 [ 6809.906955][ T74] do_syscall_64+0xc6/0x1e0 [ 6809.906955][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6809.906955][ T74] [ 6820.151963][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6820.152433][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6820.152433][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6820.152433][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6820.152433][ T74] fib6_nh_init+0xa22/0x1580 [ 6820.152433][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6820.152433][ T74] ip6_route_add+0x1c/0x140 [ 6820.152433][ T74] inet6_rtm_newroute+0x104/0x110 [ 6820.152433][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6820.152433][ T74] netlink_rcv_skb+0x130/0x360 [ 6820.152433][ T74] netlink_unicast+0x449/0x710 [ 6820.152433][ T74] netlink_sendmsg+0x723/0xbe0 [ 6820.152433][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6820.152433][ T74] ___sys_sendmsg+0xee/0x170 [ 6820.152433][ T74] __sys_sendmsg+0xcd/0x170 [ 6820.152433][ T74] do_syscall_64+0xc6/0x1e0 [ 6820.152433][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6820.152433][ T74] [ 6820.154339][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6820.154339][ T74] netdev_get_by_index+0x5e/0x80 [ 6820.154339][ T74] fib6_nh_init+0x3d8/0x1580 [ 6820.154339][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6820.154339][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6820.154339][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6820.154339][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6820.154339][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6820.154339][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6820.154339][ T74] addrconf_dad_begin+0x310/0x670 [ 6820.154339][ T74] addrconf_dad_work+0x10b/0xab0 [ 6820.154339][ T74] process_one_work+0x84d/0x18a0 [ 6820.154339][ T74] worker_thread+0x587/0xd30 [ 6820.154339][ T74] kthread+0x28a/0x350 [ 6820.154339][ T74] ret_from_fork+0x31/0x70 [ 6820.154339][ T74] ret_from_fork_asm+0x1a/0x30 [ 6820.154339][ T74] [ 6820.156255][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6820.156255][ T74] netdev_get_by_index+0x5e/0x80 [ 6820.156255][ T74] fib6_nh_init+0x3d8/0x1580 [ 6820.156255][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6820.156255][ T74] ip6_route_add+0x1c/0x140 [ 6820.156255][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6820.156255][ T74] inet6_addr_add+0x4f8/0xa40 [ 6820.156255][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6820.156255][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6820.156255][ T74] netlink_rcv_skb+0x130/0x360 [ 6820.156255][ T74] netlink_unicast+0x449/0x710 [ 6820.156255][ T74] netlink_sendmsg+0x723/0xbe0 [ 6820.156255][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6820.156255][ T74] ___sys_sendmsg+0xee/0x170 [ 6820.156255][ T74] __sys_sendmsg+0xcd/0x170 [ 6820.156255][ T74] do_syscall_64+0xc6/0x1e0 [ 6820.156255][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6820.156255][ T74] [ 6820.158258][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6820.158258][ T74] netdev_get_by_index+0x5e/0x80 [ 6820.158258][ T74] fib6_nh_init+0x3d8/0x1580 [ 6820.158258][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6820.158258][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6820.158258][ T74] ipv6_add_addr+0x411/0x2000 [ 6820.158258][ T74] inet6_addr_add+0x30e/0xa40 [ 6820.158258][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6820.158258][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6820.158258][ T74] netlink_rcv_skb+0x130/0x360 [ 6820.158258][ T74] netlink_unicast+0x449/0x710 [ 6820.158258][ T74] netlink_sendmsg+0x723/0xbe0 [ 6820.158258][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6820.158258][ T74] ___sys_sendmsg+0xee/0x170 [ 6820.158258][ T74] __sys_sendmsg+0xcd/0x170 [ 6820.158258][ T74] do_syscall_64+0xc6/0x1e0 [ 6820.158258][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6820.158258][ T74] [ 6820.160253][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6820.160253][ T74] netdev_get_by_index+0x5e/0x80 [ 6820.160253][ T74] fib6_nh_init+0x3d8/0x1580 [ 6820.160253][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6820.160253][ T74] ip6_route_add+0x1c/0x140 [ 6820.160253][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6820.160253][ T74] addrconf_add_dev+0xe2/0x170 [ 6820.160253][ T74] inet6_addr_add+0x12f/0xa40 [ 6820.160253][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6820.160253][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6820.160253][ T74] netlink_rcv_skb+0x130/0x360 [ 6820.160253][ T74] netlink_unicast+0x449/0x710 [ 6820.160253][ T74] netlink_sendmsg+0x723/0xbe0 [ 6820.160253][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6820.160253][ T74] ___sys_sendmsg+0xee/0x170 [ 6820.160253][ T74] __sys_sendmsg+0xcd/0x170 [ 6820.160253][ T74] do_syscall_64+0xc6/0x1e0 [ 6820.160253][ T74] [ 6820.162215][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6820.162215][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6820.162215][ T74] ipv6_find_idev+0x102/0x170 [ 6820.162215][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6820.162215][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6820.162215][ T74] netlink_rcv_skb+0x130/0x360 [ 6820.162215][ T74] netlink_unicast+0x449/0x710 [ 6820.162215][ T74] netlink_sendmsg+0x723/0xbe0 [ 6820.162215][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6820.162215][ T74] ___sys_sendmsg+0xee/0x170 [ 6820.162215][ T74] __sys_sendmsg+0xcd/0x170 [ 6820.162215][ T74] do_syscall_64+0xc6/0x1e0 [ 6820.162215][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6820.162215][ T74] [ 6820.163746][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6820.163746][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6820.163746][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6820.163746][ T74] ipv6_find_idev+0x102/0x170 [ 6820.163746][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6820.163746][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6820.163746][ T74] netlink_rcv_skb+0x130/0x360 [ 6820.163746][ T74] netlink_unicast+0x449/0x710 [ 6820.163746][ T74] netlink_sendmsg+0x723/0xbe0 [ 6820.163746][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6820.163746][ T74] ___sys_sendmsg+0xee/0x170 [ 6820.163746][ T74] __sys_sendmsg+0xcd/0x170 [ 6820.163746][ T74] do_syscall_64+0xc6/0x1e0 [ 6820.163746][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6820.163746][ T74] [ 6820.165428][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6820.165699][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6820.165699][ T74] dst_init+0x84/0x4a0 [ 6820.165699][ T74] dst_alloc+0x97/0x150 [ 6820.165699][ T74] ip6_dst_alloc+0x23/0x90 [ 6820.165699][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6820.165699][ T74] ip6_pol_route+0x56f/0x840 [ 6820.165699][ T74] fib6_rule_lookup+0x456/0x630 [ 6820.165699][ T74] ip6_route_input+0x59c/0xa50 [ 6820.165699][ T74] ipv6_rcv+0x397/0x810 [ 6820.165699][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6820.165699][ T74] process_backlog+0x101/0x620 [ 6820.165699][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6820.165699][ T74] net_rx_action+0x495/0xbe0 [ 6820.165699][ T74] __do_softirq+0x1b5/0x7f6 [ 6820.165699][ T74] [ 6820.167337][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6820.167337][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6820.167337][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6820.167337][ T74] fib6_nh_init+0xa22/0x1580 [ 6820.167337][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6820.167337][ T74] ip6_route_add+0x1c/0x140 [ 6820.167337][ T74] inet6_rtm_newroute+0x104/0x110 [ 6820.167337][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6820.167337][ T74] netlink_rcv_skb+0x130/0x360 [ 6820.167337][ T74] netlink_unicast+0x449/0x710 [ 6820.167337][ T74] netlink_sendmsg+0x723/0xbe0 [ 6820.167337][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6820.167337][ T74] ___sys_sendmsg+0xee/0x170 [ 6820.167337][ T74] __sys_sendmsg+0xcd/0x170 [ 6820.167337][ T74] do_syscall_64+0xc6/0x1e0 [ 6820.167337][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6820.167337][ T74] [ 6820.169212][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6820.169212][ T74] netdev_get_by_index+0x5e/0x80 [ 6820.169212][ T74] fib6_nh_init+0x3d8/0x1580 [ 6820.169212][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6820.169212][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6820.169212][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6820.169212][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6820.169212][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6820.169212][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6820.169212][ T74] addrconf_dad_begin+0x310/0x670 [ 6820.169212][ T74] addrconf_dad_work+0x10b/0xab0 [ 6820.169212][ T74] process_one_work+0x84d/0x18a0 [ 6820.169212][ T74] worker_thread+0x587/0xd30 [ 6820.169212][ T74] kthread+0x28a/0x350 [ 6820.169212][ T74] ret_from_fork+0x31/0x70 [ 6820.169212][ T74] ret_from_fork_asm+0x1a/0x30 [ 6820.169212][ T74] [ 6820.171112][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6820.171112][ T74] netdev_get_by_index+0x5e/0x80 [ 6820.171112][ T74] fib6_nh_init+0x3d8/0x1580 [ 6820.171112][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6820.171112][ T74] ip6_route_add+0x1c/0x140 [ 6820.171112][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6820.171112][ T74] inet6_addr_add+0x4f8/0xa40 [ 6820.171112][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6820.171112][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6820.171112][ T74] netlink_rcv_skb+0x130/0x360 [ 6820.171112][ T74] netlink_unicast+0x449/0x710 [ 6820.171112][ T74] netlink_sendmsg+0x723/0xbe0 [ 6820.171112][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6820.171112][ T74] ___sys_sendmsg+0xee/0x170 [ 6820.171112][ T74] __sys_sendmsg+0xcd/0x170 [ 6820.171112][ T74] do_syscall_64+0xc6/0x1e0 [ 6820.171112][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6820.171112][ T74] [ 6820.173104][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6820.173104][ T74] netdev_get_by_index+0x5e/0x80 [ 6820.173104][ T74] fib6_nh_init+0x3d8/0x1580 [ 6820.173104][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6820.173104][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6820.173104][ T74] ipv6_add_addr+0x411/0x2000 [ 6820.173104][ T74] inet6_addr_add+0x30e/0xa40 [ 6820.173104][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6820.173104][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6820.173104][ T74] netlink_rcv_skb+0x130/0x360 [ 6820.173104][ T74] netlink_unicast+0x449/0x710 [ 6820.173104][ T74] netlink_sendmsg+0x723/0xbe0 [ 6820.173104][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6820.173104][ T74] ___sys_sendmsg+0xee/0x170 [ 6820.173104][ T74] __sys_sendmsg+0xcd/0x170 [ 6820.173104][ T74] do_syscall_64+0xc6/0x1e0 [ 6820.173104][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6820.173104][ T74] [ 6820.175104][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6820.175104][ T74] netdev_get_by_index+0x5e/0x80 [ 6820.175104][ T74] fib6_nh_init+0x3d8/0x1580 [ 6820.175104][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6820.175104][ T74] ip6_route_add+0x1c/0x140 [ 6820.175104][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6820.175104][ T74] addrconf_add_dev+0xe2/0x170 [ 6820.175104][ T74] inet6_addr_add+0x12f/0xa40 [ 6820.175104][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6820.175104][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6820.175104][ T74] netlink_rcv_skb+0x130/0x360 [ 6820.175104][ T74] netlink_unicast+0x449/0x710 [ 6820.175104][ T74] netlink_sendmsg+0x723/0xbe0 [ 6820.175104][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6820.175104][ T74] ___sys_sendmsg+0xee/0x170 [ 6820.175104][ T74] __sys_sendmsg+0xcd/0x170 [ 6820.175104][ T74] do_syscall_64+0xc6/0x1e0 [ 6820.175104][ T74] [ 6820.177074][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6820.177074][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6820.177074][ T74] ipv6_find_idev+0x102/0x170 [ 6820.177074][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6820.177074][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6820.177074][ T74] netlink_rcv_skb+0x130/0x360 [ 6820.177074][ T74] netlink_unicast+0x449/0x710 [ 6820.177074][ T74] netlink_sendmsg+0x723/0xbe0 [ 6820.177074][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6820.177074][ T74] ___sys_sendmsg+0xee/0x170 [ 6820.177074][ T74] __sys_sendmsg+0xcd/0x170 [ 6820.177074][ T74] do_syscall_64+0xc6/0x1e0 [ 6820.177074][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6820.177074][ T74] [ 6820.178721][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6820.178721][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6820.178721][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6820.178721][ T74] ipv6_find_idev+0x102/0x170 [ 6820.178721][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6820.178721][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6820.178721][ T74] netlink_rcv_skb+0x130/0x360 [ 6820.178721][ T74] netlink_unicast+0x449/0x710 [ 6820.178721][ T74] netlink_sendmsg+0x723/0xbe0 [ 6820.178721][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6820.178721][ T74] ___sys_sendmsg+0xee/0x170 [ 6820.178721][ T74] __sys_sendmsg+0xcd/0x170 [ 6820.178721][ T74] do_syscall_64+0xc6/0x1e0 [ 6820.178721][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6820.178721][ T74] [ 6820.180564][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6820.180863][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6820.180863][ T74] netdev_get_by_index+0x5e/0x80 [ 6820.180863][ T74] fib6_nh_init+0x3d8/0x1580 [ 6820.180863][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6820.180863][ T74] ip6_route_add+0x1c/0x140 [ 6820.180863][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6820.180863][ T74] inet6_addr_add+0x4f8/0xa40 [ 6820.180863][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6820.180863][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6820.180863][ T74] netlink_rcv_skb+0x130/0x360 [ 6820.180863][ T74] netlink_unicast+0x449/0x710 [ 6820.180863][ T74] netlink_sendmsg+0x723/0xbe0 [ 6820.180863][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6820.180863][ T74] ___sys_sendmsg+0xee/0x170 [ 6820.180863][ T74] __sys_sendmsg+0xcd/0x170 [ 6820.180863][ T74] do_syscall_64+0xc6/0x1e0 [ 6820.180863][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6820.180863][ T74] [ 6820.182966][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6820.182966][ T74] netdev_get_by_index+0x5e/0x80 [ 6820.182966][ T74] fib6_nh_init+0x3d8/0x1580 [ 6820.182966][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6820.182966][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6820.182966][ T74] ipv6_add_addr+0x411/0x2000 [ 6820.182966][ T74] inet6_addr_add+0x30e/0xa40 [ 6820.182966][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6820.182966][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6820.182966][ T74] netlink_rcv_skb+0x130/0x360 [ 6820.182966][ T74] netlink_unicast+0x449/0x710 [ 6820.182966][ T74] netlink_sendmsg+0x723/0xbe0 [ 6820.182966][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6820.182966][ T74] ___sys_sendmsg+0xee/0x170 [ 6820.182966][ T74] __sys_sendmsg+0xcd/0x170 [ 6820.182966][ T74] do_syscall_64+0xc6/0x1e0 [ 6820.182966][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6820.182966][ T74] [ 6820.185185][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6820.185185][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6820.185185][ T74] ipv6_find_idev+0x102/0x170 [ 6820.185185][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6820.185185][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6820.185185][ T74] netlink_rcv_skb+0x130/0x360 [ 6820.185185][ T74] netlink_unicast+0x449/0x710 [ 6820.185185][ T74] netlink_sendmsg+0x723/0xbe0 [ 6820.185185][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6820.185185][ T74] ___sys_sendmsg+0xee/0x170 [ 6820.185185][ T74] __sys_sendmsg+0xcd/0x170 [ 6820.185185][ T74] do_syscall_64+0xc6/0x1e0 [ 6820.185185][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6820.185185][ T74] [ 6820.186844][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6820.186844][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6820.186844][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6820.186844][ T74] ipv6_find_idev+0x102/0x170 [ 6820.186844][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6820.186844][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6820.186844][ T74] netlink_rcv_skb+0x130/0x360 [ 6820.186844][ T74] netlink_unicast+0x449/0x710 [ 6820.186844][ T74] netlink_sendmsg+0x723/0xbe0 [ 6820.186844][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6820.186844][ T74] ___sys_sendmsg+0xee/0x170 [ 6820.186844][ T74] __sys_sendmsg+0xcd/0x170 [ 6820.186844][ T74] do_syscall_64+0xc6/0x1e0 [ 6820.186844][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6820.186844][ T74] [ 6830.423996][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6830.424428][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6830.424428][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6830.424428][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6830.424428][ T74] fib6_nh_init+0xa22/0x1580 [ 6830.424428][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6830.424428][ T74] ip6_route_add+0x1c/0x140 [ 6830.424428][ T74] inet6_rtm_newroute+0x104/0x110 [ 6830.424428][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6830.424428][ T74] netlink_rcv_skb+0x130/0x360 [ 6830.424428][ T74] netlink_unicast+0x449/0x710 [ 6830.424428][ T74] netlink_sendmsg+0x723/0xbe0 [ 6830.424428][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6830.424428][ T74] ___sys_sendmsg+0xee/0x170 [ 6830.424428][ T74] __sys_sendmsg+0xcd/0x170 [ 6830.424428][ T74] do_syscall_64+0xc6/0x1e0 [ 6830.424428][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6830.424428][ T74] [ 6830.426322][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6830.426322][ T74] netdev_get_by_index+0x5e/0x80 [ 6830.426322][ T74] fib6_nh_init+0x3d8/0x1580 [ 6830.426322][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6830.426322][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6830.426322][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6830.426322][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6830.426322][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6830.426322][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6830.426322][ T74] addrconf_dad_begin+0x310/0x670 [ 6830.426322][ T74] addrconf_dad_work+0x10b/0xab0 [ 6830.426322][ T74] process_one_work+0x84d/0x18a0 [ 6830.426322][ T74] worker_thread+0x587/0xd30 [ 6830.426322][ T74] kthread+0x28a/0x350 [ 6830.426322][ T74] ret_from_fork+0x31/0x70 [ 6830.426322][ T74] ret_from_fork_asm+0x1a/0x30 [ 6830.426322][ T74] [ 6830.428241][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6830.428241][ T74] netdev_get_by_index+0x5e/0x80 [ 6830.428241][ T74] fib6_nh_init+0x3d8/0x1580 [ 6830.428241][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6830.428241][ T74] ip6_route_add+0x1c/0x140 [ 6830.428241][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6830.428241][ T74] inet6_addr_add+0x4f8/0xa40 [ 6830.428241][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6830.428241][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6830.428241][ T74] netlink_rcv_skb+0x130/0x360 [ 6830.428241][ T74] netlink_unicast+0x449/0x710 [ 6830.428241][ T74] netlink_sendmsg+0x723/0xbe0 [ 6830.428241][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6830.428241][ T74] ___sys_sendmsg+0xee/0x170 [ 6830.428241][ T74] __sys_sendmsg+0xcd/0x170 [ 6830.428241][ T74] do_syscall_64+0xc6/0x1e0 [ 6830.428241][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6830.428241][ T74] [ 6830.430232][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6830.430232][ T74] netdev_get_by_index+0x5e/0x80 [ 6830.430232][ T74] fib6_nh_init+0x3d8/0x1580 [ 6830.430232][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6830.430232][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6830.430232][ T74] ipv6_add_addr+0x411/0x2000 [ 6830.430232][ T74] inet6_addr_add+0x30e/0xa40 [ 6830.430232][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6830.430232][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6830.430232][ T74] netlink_rcv_skb+0x130/0x360 [ 6830.430232][ T74] netlink_unicast+0x449/0x710 [ 6830.430232][ T74] netlink_sendmsg+0x723/0xbe0 [ 6830.430232][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6830.430232][ T74] ___sys_sendmsg+0xee/0x170 [ 6830.430232][ T74] __sys_sendmsg+0xcd/0x170 [ 6830.430232][ T74] do_syscall_64+0xc6/0x1e0 [ 6830.430232][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6830.430232][ T74] [ 6830.432227][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6830.432227][ T74] netdev_get_by_index+0x5e/0x80 [ 6830.432227][ T74] fib6_nh_init+0x3d8/0x1580 [ 6830.432227][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6830.432227][ T74] ip6_route_add+0x1c/0x140 [ 6830.432227][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6830.432227][ T74] addrconf_add_dev+0xe2/0x170 [ 6830.432227][ T74] inet6_addr_add+0x12f/0xa40 [ 6830.432227][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6830.432227][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6830.432227][ T74] netlink_rcv_skb+0x130/0x360 [ 6830.432227][ T74] netlink_unicast+0x449/0x710 [ 6830.432227][ T74] netlink_sendmsg+0x723/0xbe0 [ 6830.432227][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6830.432227][ T74] ___sys_sendmsg+0xee/0x170 [ 6830.432227][ T74] __sys_sendmsg+0xcd/0x170 [ 6830.432227][ T74] do_syscall_64+0xc6/0x1e0 [ 6830.432227][ T74] [ 6830.434183][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6830.434183][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6830.434183][ T74] ipv6_find_idev+0x102/0x170 [ 6830.434183][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6830.434183][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6830.434183][ T74] netlink_rcv_skb+0x130/0x360 [ 6830.434183][ T74] netlink_unicast+0x449/0x710 [ 6830.434183][ T74] netlink_sendmsg+0x723/0xbe0 [ 6830.434183][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6830.434183][ T74] ___sys_sendmsg+0xee/0x170 [ 6830.434183][ T74] __sys_sendmsg+0xcd/0x170 [ 6830.434183][ T74] do_syscall_64+0xc6/0x1e0 [ 6830.434183][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6830.434183][ T74] [ 6830.435713][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6830.435713][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6830.435713][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6830.435713][ T74] ipv6_find_idev+0x102/0x170 [ 6830.435713][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6830.435713][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6830.435713][ T74] netlink_rcv_skb+0x130/0x360 [ 6830.435713][ T74] netlink_unicast+0x449/0x710 [ 6830.435713][ T74] netlink_sendmsg+0x723/0xbe0 [ 6830.435713][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6830.435713][ T74] ___sys_sendmsg+0xee/0x170 [ 6830.435713][ T74] __sys_sendmsg+0xcd/0x170 [ 6830.435713][ T74] do_syscall_64+0xc6/0x1e0 [ 6830.435713][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6830.435713][ T74] [ 6830.437396][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6830.437673][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6830.437673][ T74] dst_init+0x84/0x4a0 [ 6830.437673][ T74] dst_alloc+0x97/0x150 [ 6830.437673][ T74] ip6_dst_alloc+0x23/0x90 [ 6830.437673][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6830.437673][ T74] ip6_pol_route+0x56f/0x840 [ 6830.437673][ T74] fib6_rule_lookup+0x456/0x630 [ 6830.437673][ T74] ip6_route_input+0x59c/0xa50 [ 6830.437673][ T74] ipv6_rcv+0x397/0x810 [ 6830.437673][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6830.437673][ T74] process_backlog+0x101/0x620 [ 6830.437673][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6830.437673][ T74] net_rx_action+0x495/0xbe0 [ 6830.437673][ T74] __do_softirq+0x1b5/0x7f6 [ 6830.437673][ T74] [ 6830.439300][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6830.439300][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6830.439300][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6830.439300][ T74] fib6_nh_init+0xa22/0x1580 [ 6830.439300][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6830.439300][ T74] ip6_route_add+0x1c/0x140 [ 6830.439300][ T74] inet6_rtm_newroute+0x104/0x110 [ 6830.439300][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6830.439300][ T74] netlink_rcv_skb+0x130/0x360 [ 6830.439300][ T74] netlink_unicast+0x449/0x710 [ 6830.439300][ T74] netlink_sendmsg+0x723/0xbe0 [ 6830.439300][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6830.439300][ T74] ___sys_sendmsg+0xee/0x170 [ 6830.439300][ T74] __sys_sendmsg+0xcd/0x170 [ 6830.439300][ T74] do_syscall_64+0xc6/0x1e0 [ 6830.439300][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6830.439300][ T74] [ 6830.441180][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6830.441180][ T74] netdev_get_by_index+0x5e/0x80 [ 6830.441180][ T74] fib6_nh_init+0x3d8/0x1580 [ 6830.441180][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6830.441180][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6830.441180][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6830.441180][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6830.441180][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6830.441180][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6830.441180][ T74] addrconf_dad_begin+0x310/0x670 [ 6830.441180][ T74] addrconf_dad_work+0x10b/0xab0 [ 6830.441180][ T74] process_one_work+0x84d/0x18a0 [ 6830.441180][ T74] worker_thread+0x587/0xd30 [ 6830.441180][ T74] kthread+0x28a/0x350 [ 6830.441180][ T74] ret_from_fork+0x31/0x70 [ 6830.441180][ T74] ret_from_fork_asm+0x1a/0x30 [ 6830.441180][ T74] [ 6830.443076][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6830.443076][ T74] netdev_get_by_index+0x5e/0x80 [ 6830.443076][ T74] fib6_nh_init+0x3d8/0x1580 [ 6830.443076][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6830.443076][ T74] ip6_route_add+0x1c/0x140 [ 6830.443076][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6830.443076][ T74] inet6_addr_add+0x4f8/0xa40 [ 6830.443076][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6830.443076][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6830.443076][ T74] netlink_rcv_skb+0x130/0x360 [ 6830.443076][ T74] netlink_unicast+0x449/0x710 [ 6830.443076][ T74] netlink_sendmsg+0x723/0xbe0 [ 6830.443076][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6830.443076][ T74] ___sys_sendmsg+0xee/0x170 [ 6830.443076][ T74] __sys_sendmsg+0xcd/0x170 [ 6830.443076][ T74] do_syscall_64+0xc6/0x1e0 [ 6830.443076][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6830.443076][ T74] [ 6830.445069][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6830.445069][ T74] netdev_get_by_index+0x5e/0x80 [ 6830.445069][ T74] fib6_nh_init+0x3d8/0x1580 [ 6830.445069][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6830.445069][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6830.445069][ T74] ipv6_add_addr+0x411/0x2000 [ 6830.445069][ T74] inet6_addr_add+0x30e/0xa40 [ 6830.445069][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6830.445069][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6830.445069][ T74] netlink_rcv_skb+0x130/0x360 [ 6830.445069][ T74] netlink_unicast+0x449/0x710 [ 6830.445069][ T74] netlink_sendmsg+0x723/0xbe0 [ 6830.445069][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6830.445069][ T74] ___sys_sendmsg+0xee/0x170 [ 6830.445069][ T74] __sys_sendmsg+0xcd/0x170 [ 6830.445069][ T74] do_syscall_64+0xc6/0x1e0 [ 6830.445069][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6830.445069][ T74] [ 6830.447070][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6830.447070][ T74] netdev_get_by_index+0x5e/0x80 [ 6830.447070][ T74] fib6_nh_init+0x3d8/0x1580 [ 6830.447070][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6830.447070][ T74] ip6_route_add+0x1c/0x140 [ 6830.447070][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6830.447070][ T74] addrconf_add_dev+0xe2/0x170 [ 6830.447070][ T74] inet6_addr_add+0x12f/0xa40 [ 6830.447070][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6830.447070][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6830.447070][ T74] netlink_rcv_skb+0x130/0x360 [ 6830.447070][ T74] netlink_unicast+0x449/0x710 [ 6830.447070][ T74] netlink_sendmsg+0x723/0xbe0 [ 6830.447070][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6830.447070][ T74] ___sys_sendmsg+0xee/0x170 [ 6830.447070][ T74] __sys_sendmsg+0xcd/0x170 [ 6830.447070][ T74] do_syscall_64+0xc6/0x1e0 [ 6830.447070][ T74] [ 6830.449023][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6830.449023][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6830.449023][ T74] ipv6_find_idev+0x102/0x170 [ 6830.449023][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6830.449023][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6830.449023][ T74] netlink_rcv_skb+0x130/0x360 [ 6830.449023][ T74] netlink_unicast+0x449/0x710 [ 6830.449023][ T74] netlink_sendmsg+0x723/0xbe0 [ 6830.449023][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6830.449023][ T74] ___sys_sendmsg+0xee/0x170 [ 6830.449023][ T74] __sys_sendmsg+0xcd/0x170 [ 6830.449023][ T74] do_syscall_64+0xc6/0x1e0 [ 6830.449023][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6830.449023][ T74] [ 6830.450680][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6830.450680][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6830.450680][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6830.450680][ T74] ipv6_find_idev+0x102/0x170 [ 6830.450680][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6830.450680][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6830.450680][ T74] netlink_rcv_skb+0x130/0x360 [ 6830.450680][ T74] netlink_unicast+0x449/0x710 [ 6830.450680][ T74] netlink_sendmsg+0x723/0xbe0 [ 6830.450680][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6830.450680][ T74] ___sys_sendmsg+0xee/0x170 [ 6830.450680][ T74] __sys_sendmsg+0xcd/0x170 [ 6830.450680][ T74] do_syscall_64+0xc6/0x1e0 [ 6830.450680][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6830.450680][ T74] [ 6830.452660][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6830.452912][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6830.452912][ T74] netdev_get_by_index+0x5e/0x80 [ 6830.452912][ T74] fib6_nh_init+0x3d8/0x1580 [ 6830.452912][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6830.452912][ T74] ip6_route_add+0x1c/0x140 [ 6830.452912][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6830.452912][ T74] inet6_addr_add+0x4f8/0xa40 [ 6830.452912][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6830.452912][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6830.452912][ T74] netlink_rcv_skb+0x130/0x360 [ 6830.452912][ T74] netlink_unicast+0x449/0x710 [ 6830.452912][ T74] netlink_sendmsg+0x723/0xbe0 [ 6830.452912][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6830.452912][ T74] ___sys_sendmsg+0xee/0x170 [ 6830.452912][ T74] __sys_sendmsg+0xcd/0x170 [ 6830.452912][ T74] do_syscall_64+0xc6/0x1e0 [ 6830.452912][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6830.452912][ T74] [ 6830.455147][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6830.455147][ T74] netdev_get_by_index+0x5e/0x80 [ 6830.455147][ T74] fib6_nh_init+0x3d8/0x1580 [ 6830.455147][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6830.455147][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6830.455147][ T74] ipv6_add_addr+0x411/0x2000 [ 6830.455147][ T74] inet6_addr_add+0x30e/0xa40 [ 6830.455147][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6830.455147][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6830.455147][ T74] netlink_rcv_skb+0x130/0x360 [ 6830.455147][ T74] netlink_unicast+0x449/0x710 [ 6830.455147][ T74] netlink_sendmsg+0x723/0xbe0 [ 6830.455147][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6830.455147][ T74] ___sys_sendmsg+0xee/0x170 [ 6830.455147][ T74] __sys_sendmsg+0xcd/0x170 [ 6830.455147][ T74] do_syscall_64+0xc6/0x1e0 [ 6830.455147][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6830.455147][ T74] [ 6830.457375][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6830.457375][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6830.457375][ T74] ipv6_find_idev+0x102/0x170 [ 6830.457375][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6830.457375][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6830.457375][ T74] netlink_rcv_skb+0x130/0x360 [ 6830.457375][ T74] netlink_unicast+0x449/0x710 [ 6830.457375][ T74] netlink_sendmsg+0x723/0xbe0 [ 6830.457375][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6830.457375][ T74] ___sys_sendmsg+0xee/0x170 [ 6830.457375][ T74] __sys_sendmsg+0xcd/0x170 [ 6830.457375][ T74] do_syscall_64+0xc6/0x1e0 [ 6830.457375][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6830.457375][ T74] [ 6830.459035][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6830.459035][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6830.459035][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6830.459035][ T74] ipv6_find_idev+0x102/0x170 [ 6830.459035][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6830.459035][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6830.459035][ T74] netlink_rcv_skb+0x130/0x360 [ 6830.459035][ T74] netlink_unicast+0x449/0x710 [ 6830.459035][ T74] netlink_sendmsg+0x723/0xbe0 [ 6830.459035][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6830.459035][ T74] ___sys_sendmsg+0xee/0x170 [ 6830.459035][ T74] __sys_sendmsg+0xcd/0x170 [ 6830.459035][ T74] do_syscall_64+0xc6/0x1e0 [ 6830.459035][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6830.459035][ T74] [ 6840.703968][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6840.704400][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6840.704400][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6840.704400][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6840.704400][ T74] fib6_nh_init+0xa22/0x1580 [ 6840.704400][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6840.704400][ T74] ip6_route_add+0x1c/0x140 [ 6840.704400][ T74] inet6_rtm_newroute+0x104/0x110 [ 6840.704400][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6840.704400][ T74] netlink_rcv_skb+0x130/0x360 [ 6840.704400][ T74] netlink_unicast+0x449/0x710 [ 6840.704400][ T74] netlink_sendmsg+0x723/0xbe0 [ 6840.704400][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6840.704400][ T74] ___sys_sendmsg+0xee/0x170 [ 6840.704400][ T74] __sys_sendmsg+0xcd/0x170 [ 6840.704400][ T74] do_syscall_64+0xc6/0x1e0 [ 6840.704400][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6840.704400][ T74] [ 6840.706302][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6840.706302][ T74] netdev_get_by_index+0x5e/0x80 [ 6840.706302][ T74] fib6_nh_init+0x3d8/0x1580 [ 6840.706302][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6840.706302][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6840.706302][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6840.706302][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6840.706302][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6840.706302][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6840.706302][ T74] addrconf_dad_begin+0x310/0x670 [ 6840.706302][ T74] addrconf_dad_work+0x10b/0xab0 [ 6840.706302][ T74] process_one_work+0x84d/0x18a0 [ 6840.706302][ T74] worker_thread+0x587/0xd30 [ 6840.706302][ T74] kthread+0x28a/0x350 [ 6840.706302][ T74] ret_from_fork+0x31/0x70 [ 6840.706302][ T74] ret_from_fork_asm+0x1a/0x30 [ 6840.706302][ T74] [ 6840.708229][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6840.708229][ T74] netdev_get_by_index+0x5e/0x80 [ 6840.708229][ T74] fib6_nh_init+0x3d8/0x1580 [ 6840.708229][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6840.708229][ T74] ip6_route_add+0x1c/0x140 [ 6840.708229][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6840.708229][ T74] inet6_addr_add+0x4f8/0xa40 [ 6840.708229][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6840.708229][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6840.708229][ T74] netlink_rcv_skb+0x130/0x360 [ 6840.708229][ T74] netlink_unicast+0x449/0x710 [ 6840.708229][ T74] netlink_sendmsg+0x723/0xbe0 [ 6840.708229][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6840.708229][ T74] ___sys_sendmsg+0xee/0x170 [ 6840.708229][ T74] __sys_sendmsg+0xcd/0x170 [ 6840.708229][ T74] do_syscall_64+0xc6/0x1e0 [ 6840.708229][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6840.708229][ T74] [ 6840.710235][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6840.710235][ T74] netdev_get_by_index+0x5e/0x80 [ 6840.710235][ T74] fib6_nh_init+0x3d8/0x1580 [ 6840.710235][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6840.710235][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6840.710235][ T74] ipv6_add_addr+0x411/0x2000 [ 6840.710235][ T74] inet6_addr_add+0x30e/0xa40 [ 6840.710235][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6840.710235][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6840.710235][ T74] netlink_rcv_skb+0x130/0x360 [ 6840.710235][ T74] netlink_unicast+0x449/0x710 [ 6840.710235][ T74] netlink_sendmsg+0x723/0xbe0 [ 6840.710235][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6840.710235][ T74] ___sys_sendmsg+0xee/0x170 [ 6840.710235][ T74] __sys_sendmsg+0xcd/0x170 [ 6840.710235][ T74] do_syscall_64+0xc6/0x1e0 [ 6840.710235][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6840.710235][ T74] [ 6840.712238][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6840.712238][ T74] netdev_get_by_index+0x5e/0x80 [ 6840.712238][ T74] fib6_nh_init+0x3d8/0x1580 [ 6840.712238][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6840.712238][ T74] ip6_route_add+0x1c/0x140 [ 6840.712238][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6840.712238][ T74] addrconf_add_dev+0xe2/0x170 [ 6840.712238][ T74] inet6_addr_add+0x12f/0xa40 [ 6840.712238][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6840.712238][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6840.712238][ T74] netlink_rcv_skb+0x130/0x360 [ 6840.712238][ T74] netlink_unicast+0x449/0x710 [ 6840.712238][ T74] netlink_sendmsg+0x723/0xbe0 [ 6840.712238][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6840.712238][ T74] ___sys_sendmsg+0xee/0x170 [ 6840.712238][ T74] __sys_sendmsg+0xcd/0x170 [ 6840.712238][ T74] do_syscall_64+0xc6/0x1e0 [ 6840.712238][ T74] [ 6840.714191][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6840.714191][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6840.714191][ T74] ipv6_find_idev+0x102/0x170 [ 6840.714191][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6840.714191][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6840.714191][ T74] netlink_rcv_skb+0x130/0x360 [ 6840.714191][ T74] netlink_unicast+0x449/0x710 [ 6840.714191][ T74] netlink_sendmsg+0x723/0xbe0 [ 6840.714191][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6840.714191][ T74] ___sys_sendmsg+0xee/0x170 [ 6840.714191][ T74] __sys_sendmsg+0xcd/0x170 [ 6840.714191][ T74] do_syscall_64+0xc6/0x1e0 [ 6840.714191][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6840.714191][ T74] [ 6840.715726][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6840.715726][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6840.715726][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6840.715726][ T74] ipv6_find_idev+0x102/0x170 [ 6840.715726][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6840.715726][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6840.715726][ T74] netlink_rcv_skb+0x130/0x360 [ 6840.715726][ T74] netlink_unicast+0x449/0x710 [ 6840.715726][ T74] netlink_sendmsg+0x723/0xbe0 [ 6840.715726][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6840.715726][ T74] ___sys_sendmsg+0xee/0x170 [ 6840.715726][ T74] __sys_sendmsg+0xcd/0x170 [ 6840.715726][ T74] do_syscall_64+0xc6/0x1e0 [ 6840.715726][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6840.715726][ T74] [ 6840.717410][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6840.717684][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6840.717684][ T74] dst_init+0x84/0x4a0 [ 6840.717684][ T74] dst_alloc+0x97/0x150 [ 6840.717684][ T74] ip6_dst_alloc+0x23/0x90 [ 6840.717684][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6840.717684][ T74] ip6_pol_route+0x56f/0x840 [ 6840.717684][ T74] fib6_rule_lookup+0x456/0x630 [ 6840.717684][ T74] ip6_route_input+0x59c/0xa50 [ 6840.717684][ T74] ipv6_rcv+0x397/0x810 [ 6840.717684][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6840.717684][ T74] process_backlog+0x101/0x620 [ 6840.717684][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6840.717684][ T74] net_rx_action+0x495/0xbe0 [ 6840.717684][ T74] __do_softirq+0x1b5/0x7f6 [ 6840.717684][ T74] [ 6840.719318][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6840.719318][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6840.719318][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6840.719318][ T74] fib6_nh_init+0xa22/0x1580 [ 6840.719318][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6840.719318][ T74] ip6_route_add+0x1c/0x140 [ 6840.719318][ T74] inet6_rtm_newroute+0x104/0x110 [ 6840.719318][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6840.719318][ T74] netlink_rcv_skb+0x130/0x360 [ 6840.719318][ T74] netlink_unicast+0x449/0x710 [ 6840.719318][ T74] netlink_sendmsg+0x723/0xbe0 [ 6840.719318][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6840.719318][ T74] ___sys_sendmsg+0xee/0x170 [ 6840.719318][ T74] __sys_sendmsg+0xcd/0x170 [ 6840.719318][ T74] do_syscall_64+0xc6/0x1e0 [ 6840.719318][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6840.719318][ T74] [ 6840.721194][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6840.721194][ T74] netdev_get_by_index+0x5e/0x80 [ 6840.721194][ T74] fib6_nh_init+0x3d8/0x1580 [ 6840.721194][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6840.721194][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6840.721194][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6840.721194][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6840.721194][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6840.721194][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6840.721194][ T74] addrconf_dad_begin+0x310/0x670 [ 6840.721194][ T74] addrconf_dad_work+0x10b/0xab0 [ 6840.721194][ T74] process_one_work+0x84d/0x18a0 [ 6840.721194][ T74] worker_thread+0x587/0xd30 [ 6840.721194][ T74] kthread+0x28a/0x350 [ 6840.721194][ T74] ret_from_fork+0x31/0x70 [ 6840.721194][ T74] ret_from_fork_asm+0x1a/0x30 [ 6840.721194][ T74] [ 6840.723092][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6840.723092][ T74] netdev_get_by_index+0x5e/0x80 [ 6840.723092][ T74] fib6_nh_init+0x3d8/0x1580 [ 6840.723092][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6840.723092][ T74] ip6_route_add+0x1c/0x140 [ 6840.723092][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6840.723092][ T74] inet6_addr_add+0x4f8/0xa40 [ 6840.723092][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6840.723092][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6840.723092][ T74] netlink_rcv_skb+0x130/0x360 [ 6840.723092][ T74] netlink_unicast+0x449/0x710 [ 6840.723092][ T74] netlink_sendmsg+0x723/0xbe0 [ 6840.723092][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6840.723092][ T74] ___sys_sendmsg+0xee/0x170 [ 6840.723092][ T74] __sys_sendmsg+0xcd/0x170 [ 6840.723092][ T74] do_syscall_64+0xc6/0x1e0 [ 6840.723092][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6840.723092][ T74] [ 6840.725087][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6840.725087][ T74] netdev_get_by_index+0x5e/0x80 [ 6840.725087][ T74] fib6_nh_init+0x3d8/0x1580 [ 6840.725087][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6840.725087][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6840.725087][ T74] ipv6_add_addr+0x411/0x2000 [ 6840.725087][ T74] inet6_addr_add+0x30e/0xa40 [ 6840.725087][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6840.725087][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6840.725087][ T74] netlink_rcv_skb+0x130/0x360 [ 6840.725087][ T74] netlink_unicast+0x449/0x710 [ 6840.725087][ T74] netlink_sendmsg+0x723/0xbe0 [ 6840.725087][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6840.725087][ T74] ___sys_sendmsg+0xee/0x170 [ 6840.725087][ T74] __sys_sendmsg+0xcd/0x170 [ 6840.725087][ T74] do_syscall_64+0xc6/0x1e0 [ 6840.725087][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6840.725087][ T74] [ 6840.727082][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6840.727082][ T74] netdev_get_by_index+0x5e/0x80 [ 6840.727082][ T74] fib6_nh_init+0x3d8/0x1580 [ 6840.727082][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6840.727082][ T74] ip6_route_add+0x1c/0x140 [ 6840.727082][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6840.727082][ T74] addrconf_add_dev+0xe2/0x170 [ 6840.727082][ T74] inet6_addr_add+0x12f/0xa40 [ 6840.727082][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6840.727082][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6840.727082][ T74] netlink_rcv_skb+0x130/0x360 [ 6840.727082][ T74] netlink_unicast+0x449/0x710 [ 6840.727082][ T74] netlink_sendmsg+0x723/0xbe0 [ 6840.727082][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6840.727082][ T74] ___sys_sendmsg+0xee/0x170 [ 6840.727082][ T74] __sys_sendmsg+0xcd/0x170 [ 6840.727082][ T74] do_syscall_64+0xc6/0x1e0 [ 6840.727082][ T74] [ 6840.729036][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6840.729036][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6840.729036][ T74] ipv6_find_idev+0x102/0x170 [ 6840.729036][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6840.729036][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6840.729036][ T74] netlink_rcv_skb+0x130/0x360 [ 6840.729036][ T74] netlink_unicast+0x449/0x710 [ 6840.729036][ T74] netlink_sendmsg+0x723/0xbe0 [ 6840.729036][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6840.729036][ T74] ___sys_sendmsg+0xee/0x170 [ 6840.729036][ T74] __sys_sendmsg+0xcd/0x170 [ 6840.729036][ T74] do_syscall_64+0xc6/0x1e0 [ 6840.729036][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6840.729036][ T74] [ 6840.730696][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6840.730696][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6840.730696][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6840.730696][ T74] ipv6_find_idev+0x102/0x170 [ 6840.730696][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6840.730696][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6840.730696][ T74] netlink_rcv_skb+0x130/0x360 [ 6840.730696][ T74] netlink_unicast+0x449/0x710 [ 6840.730696][ T74] netlink_sendmsg+0x723/0xbe0 [ 6840.730696][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6840.730696][ T74] ___sys_sendmsg+0xee/0x170 [ 6840.730696][ T74] __sys_sendmsg+0xcd/0x170 [ 6840.730696][ T74] do_syscall_64+0xc6/0x1e0 [ 6840.730696][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6840.730696][ T74] [ 6840.732786][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6840.733030][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6840.733030][ T74] netdev_get_by_index+0x5e/0x80 [ 6840.733030][ T74] fib6_nh_init+0x3d8/0x1580 [ 6840.733030][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6840.733030][ T74] ip6_route_add+0x1c/0x140 [ 6840.733030][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6840.733030][ T74] inet6_addr_add+0x4f8/0xa40 [ 6840.733030][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6840.733030][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6840.733030][ T74] netlink_rcv_skb+0x130/0x360 [ 6840.733030][ T74] netlink_unicast+0x449/0x710 [ 6840.733030][ T74] netlink_sendmsg+0x723/0xbe0 [ 6840.733030][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6840.733030][ T74] ___sys_sendmsg+0xee/0x170 [ 6840.733030][ T74] __sys_sendmsg+0xcd/0x170 [ 6840.733030][ T74] do_syscall_64+0xc6/0x1e0 [ 6840.733030][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6840.733030][ T74] [ 6840.735275][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6840.735275][ T74] netdev_get_by_index+0x5e/0x80 [ 6840.735275][ T74] fib6_nh_init+0x3d8/0x1580 [ 6840.735275][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6840.735275][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6840.735275][ T74] ipv6_add_addr+0x411/0x2000 [ 6840.735275][ T74] inet6_addr_add+0x30e/0xa40 [ 6840.735275][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6840.735275][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6840.735275][ T74] netlink_rcv_skb+0x130/0x360 [ 6840.735275][ T74] netlink_unicast+0x449/0x710 [ 6840.735275][ T74] netlink_sendmsg+0x723/0xbe0 [ 6840.735275][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6840.735275][ T74] ___sys_sendmsg+0xee/0x170 [ 6840.735275][ T74] __sys_sendmsg+0xcd/0x170 [ 6840.735275][ T74] do_syscall_64+0xc6/0x1e0 [ 6840.735275][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6840.735275][ T74] [ 6840.737506][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6840.737506][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6840.737506][ T74] ipv6_find_idev+0x102/0x170 [ 6840.737506][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6840.737506][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6840.737506][ T74] netlink_rcv_skb+0x130/0x360 [ 6840.737506][ T74] netlink_unicast+0x449/0x710 [ 6840.737506][ T74] netlink_sendmsg+0x723/0xbe0 [ 6840.737506][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6840.737506][ T74] ___sys_sendmsg+0xee/0x170 [ 6840.737506][ T74] __sys_sendmsg+0xcd/0x170 [ 6840.737506][ T74] do_syscall_64+0xc6/0x1e0 [ 6840.737506][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6840.737506][ T74] [ 6840.739218][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6840.739218][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6840.739218][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6840.739218][ T74] ipv6_find_idev+0x102/0x170 [ 6840.739218][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6840.739218][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6840.739218][ T74] netlink_rcv_skb+0x130/0x360 [ 6840.739218][ T74] netlink_unicast+0x449/0x710 [ 6840.739218][ T74] netlink_sendmsg+0x723/0xbe0 [ 6840.739218][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6840.739218][ T74] ___sys_sendmsg+0xee/0x170 [ 6840.739218][ T74] __sys_sendmsg+0xcd/0x170 [ 6840.739218][ T74] do_syscall_64+0xc6/0x1e0 [ 6840.739218][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6840.739218][ T74] [ 6850.983948][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6850.984367][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6850.984367][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6850.984367][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6850.984367][ T74] fib6_nh_init+0xa22/0x1580 [ 6850.984367][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6850.984367][ T74] ip6_route_add+0x1c/0x140 [ 6850.984367][ T74] inet6_rtm_newroute+0x104/0x110 [ 6850.984367][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6850.984367][ T74] netlink_rcv_skb+0x130/0x360 [ 6850.984367][ T74] netlink_unicast+0x449/0x710 [ 6850.984367][ T74] netlink_sendmsg+0x723/0xbe0 [ 6850.984367][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6850.984367][ T74] ___sys_sendmsg+0xee/0x170 [ 6850.984367][ T74] __sys_sendmsg+0xcd/0x170 [ 6850.984367][ T74] do_syscall_64+0xc6/0x1e0 [ 6850.984367][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6850.984367][ T74] [ 6850.986253][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6850.986253][ T74] netdev_get_by_index+0x5e/0x80 [ 6850.986253][ T74] fib6_nh_init+0x3d8/0x1580 [ 6850.986253][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6850.986253][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6850.986253][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6850.986253][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6850.986253][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6850.986253][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6850.986253][ T74] addrconf_dad_begin+0x310/0x670 [ 6850.986253][ T74] addrconf_dad_work+0x10b/0xab0 [ 6850.986253][ T74] process_one_work+0x84d/0x18a0 [ 6850.986253][ T74] worker_thread+0x587/0xd30 [ 6850.986253][ T74] kthread+0x28a/0x350 [ 6850.986253][ T74] ret_from_fork+0x31/0x70 [ 6850.986253][ T74] ret_from_fork_asm+0x1a/0x30 [ 6850.986253][ T74] [ 6850.988162][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6850.988162][ T74] netdev_get_by_index+0x5e/0x80 [ 6850.988162][ T74] fib6_nh_init+0x3d8/0x1580 [ 6850.988162][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6850.988162][ T74] ip6_route_add+0x1c/0x140 [ 6850.988162][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6850.988162][ T74] inet6_addr_add+0x4f8/0xa40 [ 6850.988162][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6850.988162][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6850.988162][ T74] netlink_rcv_skb+0x130/0x360 [ 6850.988162][ T74] netlink_unicast+0x449/0x710 [ 6850.988162][ T74] netlink_sendmsg+0x723/0xbe0 [ 6850.988162][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6850.988162][ T74] ___sys_sendmsg+0xee/0x170 [ 6850.988162][ T74] __sys_sendmsg+0xcd/0x170 [ 6850.988162][ T74] do_syscall_64+0xc6/0x1e0 [ 6850.988162][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6850.988162][ T74] [ 6850.990152][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6850.990152][ T74] netdev_get_by_index+0x5e/0x80 [ 6850.990152][ T74] fib6_nh_init+0x3d8/0x1580 [ 6850.990152][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6850.990152][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6850.990152][ T74] ipv6_add_addr+0x411/0x2000 [ 6850.990152][ T74] inet6_addr_add+0x30e/0xa40 [ 6850.990152][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6850.990152][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6850.990152][ T74] netlink_rcv_skb+0x130/0x360 [ 6850.990152][ T74] netlink_unicast+0x449/0x710 [ 6850.990152][ T74] netlink_sendmsg+0x723/0xbe0 [ 6850.990152][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6850.990152][ T74] ___sys_sendmsg+0xee/0x170 [ 6850.990152][ T74] __sys_sendmsg+0xcd/0x170 [ 6850.990152][ T74] do_syscall_64+0xc6/0x1e0 [ 6850.990152][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6850.990152][ T74] [ 6850.992139][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6850.992139][ T74] netdev_get_by_index+0x5e/0x80 [ 6850.992139][ T74] fib6_nh_init+0x3d8/0x1580 [ 6850.992139][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6850.992139][ T74] ip6_route_add+0x1c/0x140 [ 6850.992139][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6850.992139][ T74] addrconf_add_dev+0xe2/0x170 [ 6850.992139][ T74] inet6_addr_add+0x12f/0xa40 [ 6850.992139][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6850.992139][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6850.992139][ T74] netlink_rcv_skb+0x130/0x360 [ 6850.992139][ T74] netlink_unicast+0x449/0x710 [ 6850.992139][ T74] netlink_sendmsg+0x723/0xbe0 [ 6850.992139][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6850.992139][ T74] ___sys_sendmsg+0xee/0x170 [ 6850.992139][ T74] __sys_sendmsg+0xcd/0x170 [ 6850.992139][ T74] do_syscall_64+0xc6/0x1e0 [ 6850.992139][ T74] [ 6850.994087][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6850.994087][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6850.994087][ T74] ipv6_find_idev+0x102/0x170 [ 6850.994087][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6850.994087][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6850.994087][ T74] netlink_rcv_skb+0x130/0x360 [ 6850.994087][ T74] netlink_unicast+0x449/0x710 [ 6850.994087][ T74] netlink_sendmsg+0x723/0xbe0 [ 6850.994087][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6850.994087][ T74] ___sys_sendmsg+0xee/0x170 [ 6850.994087][ T74] __sys_sendmsg+0xcd/0x170 [ 6850.994087][ T74] do_syscall_64+0xc6/0x1e0 [ 6850.994087][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6850.994087][ T74] [ 6850.995617][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6850.995617][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6850.995617][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6850.995617][ T74] ipv6_find_idev+0x102/0x170 [ 6850.995617][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6850.995617][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6850.995617][ T74] netlink_rcv_skb+0x130/0x360 [ 6850.995617][ T74] netlink_unicast+0x449/0x710 [ 6850.995617][ T74] netlink_sendmsg+0x723/0xbe0 [ 6850.995617][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6850.995617][ T74] ___sys_sendmsg+0xee/0x170 [ 6850.995617][ T74] __sys_sendmsg+0xcd/0x170 [ 6850.995617][ T74] do_syscall_64+0xc6/0x1e0 [ 6850.995617][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6850.995617][ T74] [ 6850.997294][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6850.997563][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6850.997563][ T74] dst_init+0x84/0x4a0 [ 6850.997563][ T74] dst_alloc+0x97/0x150 [ 6850.997563][ T74] ip6_dst_alloc+0x23/0x90 [ 6850.997563][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6850.997563][ T74] ip6_pol_route+0x56f/0x840 [ 6850.997563][ T74] fib6_rule_lookup+0x456/0x630 [ 6850.997563][ T74] ip6_route_input+0x59c/0xa50 [ 6850.997563][ T74] ipv6_rcv+0x397/0x810 [ 6850.997563][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6850.997563][ T74] process_backlog+0x101/0x620 [ 6850.997563][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6850.997563][ T74] net_rx_action+0x495/0xbe0 [ 6850.997563][ T74] __do_softirq+0x1b5/0x7f6 [ 6850.997563][ T74] [ 6850.999187][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6850.999187][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6850.999187][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6850.999187][ T74] fib6_nh_init+0xa22/0x1580 [ 6850.999187][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6850.999187][ T74] ip6_route_add+0x1c/0x140 [ 6850.999187][ T74] inet6_rtm_newroute+0x104/0x110 [ 6850.999187][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6850.999187][ T74] netlink_rcv_skb+0x130/0x360 [ 6850.999187][ T74] netlink_unicast+0x449/0x710 [ 6850.999187][ T74] netlink_sendmsg+0x723/0xbe0 [ 6850.999187][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6850.999187][ T74] ___sys_sendmsg+0xee/0x170 [ 6850.999187][ T74] __sys_sendmsg+0xcd/0x170 [ 6850.999187][ T74] do_syscall_64+0xc6/0x1e0 [ 6850.999187][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6850.999187][ T74] [ 6851.001053][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6851.001053][ T74] netdev_get_by_index+0x5e/0x80 [ 6851.001053][ T74] fib6_nh_init+0x3d8/0x1580 [ 6851.001053][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6851.001053][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6851.001053][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6851.001053][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6851.001053][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6851.001053][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6851.001053][ T74] addrconf_dad_begin+0x310/0x670 [ 6851.001053][ T74] addrconf_dad_work+0x10b/0xab0 [ 6851.001053][ T74] process_one_work+0x84d/0x18a0 [ 6851.001053][ T74] worker_thread+0x587/0xd30 [ 6851.001053][ T74] kthread+0x28a/0x350 [ 6851.001053][ T74] ret_from_fork+0x31/0x70 [ 6851.001053][ T74] ret_from_fork_asm+0x1a/0x30 [ 6851.001053][ T74] [ 6851.002958][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6851.002958][ T74] netdev_get_by_index+0x5e/0x80 [ 6851.002958][ T74] fib6_nh_init+0x3d8/0x1580 [ 6851.002958][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6851.002958][ T74] ip6_route_add+0x1c/0x140 [ 6851.002958][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6851.002958][ T74] inet6_addr_add+0x4f8/0xa40 [ 6851.002958][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6851.002958][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6851.002958][ T74] netlink_rcv_skb+0x130/0x360 [ 6851.002958][ T74] netlink_unicast+0x449/0x710 [ 6851.002958][ T74] netlink_sendmsg+0x723/0xbe0 [ 6851.002958][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6851.002958][ T74] ___sys_sendmsg+0xee/0x170 [ 6851.002958][ T74] __sys_sendmsg+0xcd/0x170 [ 6851.002958][ T74] do_syscall_64+0xc6/0x1e0 [ 6851.002958][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6851.002958][ T74] [ 6851.004947][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6851.004947][ T74] netdev_get_by_index+0x5e/0x80 [ 6851.004947][ T74] fib6_nh_init+0x3d8/0x1580 [ 6851.004947][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6851.004947][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6851.004947][ T74] ipv6_add_addr+0x411/0x2000 [ 6851.004947][ T74] inet6_addr_add+0x30e/0xa40 [ 6851.004947][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6851.004947][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6851.004947][ T74] netlink_rcv_skb+0x130/0x360 [ 6851.004947][ T74] netlink_unicast+0x449/0x710 [ 6851.004947][ T74] netlink_sendmsg+0x723/0xbe0 [ 6851.004947][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6851.004947][ T74] ___sys_sendmsg+0xee/0x170 [ 6851.004947][ T74] __sys_sendmsg+0xcd/0x170 [ 6851.004947][ T74] do_syscall_64+0xc6/0x1e0 [ 6851.004947][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6851.004947][ T74] [ 6851.006940][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6851.006940][ T74] netdev_get_by_index+0x5e/0x80 [ 6851.006940][ T74] fib6_nh_init+0x3d8/0x1580 [ 6851.006940][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6851.006940][ T74] ip6_route_add+0x1c/0x140 [ 6851.006940][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6851.006940][ T74] addrconf_add_dev+0xe2/0x170 [ 6851.006940][ T74] inet6_addr_add+0x12f/0xa40 [ 6851.006940][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6851.006940][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6851.006940][ T74] netlink_rcv_skb+0x130/0x360 [ 6851.006940][ T74] netlink_unicast+0x449/0x710 [ 6851.006940][ T74] netlink_sendmsg+0x723/0xbe0 [ 6851.006940][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6851.006940][ T74] ___sys_sendmsg+0xee/0x170 [ 6851.006940][ T74] __sys_sendmsg+0xcd/0x170 [ 6851.006940][ T74] do_syscall_64+0xc6/0x1e0 [ 6851.006940][ T74] [ 6851.008907][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6851.008907][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6851.008907][ T74] ipv6_find_idev+0x102/0x170 [ 6851.008907][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6851.008907][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6851.008907][ T74] netlink_rcv_skb+0x130/0x360 [ 6851.008907][ T74] netlink_unicast+0x449/0x710 [ 6851.008907][ T74] netlink_sendmsg+0x723/0xbe0 [ 6851.008907][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6851.008907][ T74] ___sys_sendmsg+0xee/0x170 [ 6851.008907][ T74] __sys_sendmsg+0xcd/0x170 [ 6851.008907][ T74] do_syscall_64+0xc6/0x1e0 [ 6851.008907][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6851.008907][ T74] [ 6851.010558][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6851.010558][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6851.010558][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6851.010558][ T74] ipv6_find_idev+0x102/0x170 [ 6851.010558][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6851.010558][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6851.010558][ T74] netlink_rcv_skb+0x130/0x360 [ 6851.010558][ T74] netlink_unicast+0x449/0x710 [ 6851.010558][ T74] netlink_sendmsg+0x723/0xbe0 [ 6851.010558][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6851.010558][ T74] ___sys_sendmsg+0xee/0x170 [ 6851.010558][ T74] __sys_sendmsg+0xcd/0x170 [ 6851.010558][ T74] do_syscall_64+0xc6/0x1e0 [ 6851.010558][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6851.010558][ T74] [ 6851.012533][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6851.012774][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6851.012774][ T74] netdev_get_by_index+0x5e/0x80 [ 6851.012774][ T74] fib6_nh_init+0x3d8/0x1580 [ 6851.012774][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6851.012774][ T74] ip6_route_add+0x1c/0x140 [ 6851.012774][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6851.012774][ T74] inet6_addr_add+0x4f8/0xa40 [ 6851.012774][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6851.012774][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6851.012774][ T74] netlink_rcv_skb+0x130/0x360 [ 6851.012774][ T74] netlink_unicast+0x449/0x710 [ 6851.012774][ T74] netlink_sendmsg+0x723/0xbe0 [ 6851.012774][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6851.012774][ T74] ___sys_sendmsg+0xee/0x170 [ 6851.012774][ T74] __sys_sendmsg+0xcd/0x170 [ 6851.012774][ T74] do_syscall_64+0xc6/0x1e0 [ 6851.012774][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6851.012774][ T74] [ 6851.014994][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6851.014994][ T74] netdev_get_by_index+0x5e/0x80 [ 6851.014994][ T74] fib6_nh_init+0x3d8/0x1580 [ 6851.014994][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6851.014994][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6851.014994][ T74] ipv6_add_addr+0x411/0x2000 [ 6851.014994][ T74] inet6_addr_add+0x30e/0xa40 [ 6851.014994][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6851.014994][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6851.014994][ T74] netlink_rcv_skb+0x130/0x360 [ 6851.014994][ T74] netlink_unicast+0x449/0x710 [ 6851.014994][ T74] netlink_sendmsg+0x723/0xbe0 [ 6851.014994][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6851.014994][ T74] ___sys_sendmsg+0xee/0x170 [ 6851.014994][ T74] __sys_sendmsg+0xcd/0x170 [ 6851.014994][ T74] do_syscall_64+0xc6/0x1e0 [ 6851.014994][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6851.014994][ T74] [ 6851.017217][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6851.017217][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6851.017217][ T74] ipv6_find_idev+0x102/0x170 [ 6851.017217][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6851.017217][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6851.017217][ T74] netlink_rcv_skb+0x130/0x360 [ 6851.017217][ T74] netlink_unicast+0x449/0x710 [ 6851.017217][ T74] netlink_sendmsg+0x723/0xbe0 [ 6851.017217][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6851.017217][ T74] ___sys_sendmsg+0xee/0x170 [ 6851.017217][ T74] __sys_sendmsg+0xcd/0x170 [ 6851.017217][ T74] do_syscall_64+0xc6/0x1e0 [ 6851.017217][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6851.017217][ T74] [ 6851.018921][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6851.018921][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6851.018921][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6851.018921][ T74] ipv6_find_idev+0x102/0x170 [ 6851.018921][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6851.018921][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6851.018921][ T74] netlink_rcv_skb+0x130/0x360 [ 6851.018921][ T74] netlink_unicast+0x449/0x710 [ 6851.018921][ T74] netlink_sendmsg+0x723/0xbe0 [ 6851.018921][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6851.018921][ T74] ___sys_sendmsg+0xee/0x170 [ 6851.018921][ T74] __sys_sendmsg+0xcd/0x170 [ 6851.018921][ T74] do_syscall_64+0xc6/0x1e0 [ 6851.018921][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6851.018921][ T74] [ 6861.255992][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6861.256414][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6861.256414][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6861.256414][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6861.256414][ T74] fib6_nh_init+0xa22/0x1580 [ 6861.256414][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6861.256414][ T74] ip6_route_add+0x1c/0x140 [ 6861.256414][ T74] inet6_rtm_newroute+0x104/0x110 [ 6861.256414][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6861.256414][ T74] netlink_rcv_skb+0x130/0x360 [ 6861.256414][ T74] netlink_unicast+0x449/0x710 [ 6861.256414][ T74] netlink_sendmsg+0x723/0xbe0 [ 6861.256414][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6861.256414][ T74] ___sys_sendmsg+0xee/0x170 [ 6861.256414][ T74] __sys_sendmsg+0xcd/0x170 [ 6861.256414][ T74] do_syscall_64+0xc6/0x1e0 [ 6861.256414][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6861.256414][ T74] [ 6861.258406][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6861.258406][ T74] netdev_get_by_index+0x5e/0x80 [ 6861.258406][ T74] fib6_nh_init+0x3d8/0x1580 [ 6861.258406][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6861.258406][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6861.258406][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6861.258406][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6861.258406][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6861.258406][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6861.258406][ T74] addrconf_dad_begin+0x310/0x670 [ 6861.258406][ T74] addrconf_dad_work+0x10b/0xab0 [ 6861.258406][ T74] process_one_work+0x84d/0x18a0 [ 6861.258406][ T74] worker_thread+0x587/0xd30 [ 6861.258406][ T74] kthread+0x28a/0x350 [ 6861.258406][ T74] ret_from_fork+0x31/0x70 [ 6861.258406][ T74] ret_from_fork_asm+0x1a/0x30 [ 6861.258406][ T74] [ 6861.260311][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6861.260311][ T74] netdev_get_by_index+0x5e/0x80 [ 6861.260311][ T74] fib6_nh_init+0x3d8/0x1580 [ 6861.260311][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6861.260311][ T74] ip6_route_add+0x1c/0x140 [ 6861.260311][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6861.260311][ T74] inet6_addr_add+0x4f8/0xa40 [ 6861.260311][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6861.260311][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6861.260311][ T74] netlink_rcv_skb+0x130/0x360 [ 6861.260311][ T74] netlink_unicast+0x449/0x710 [ 6861.260311][ T74] netlink_sendmsg+0x723/0xbe0 [ 6861.260311][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6861.260311][ T74] ___sys_sendmsg+0xee/0x170 [ 6861.260311][ T74] __sys_sendmsg+0xcd/0x170 [ 6861.260311][ T74] do_syscall_64+0xc6/0x1e0 [ 6861.260311][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6861.260311][ T74] [ 6861.262310][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6861.262310][ T74] netdev_get_by_index+0x5e/0x80 [ 6861.262310][ T74] fib6_nh_init+0x3d8/0x1580 [ 6861.262310][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6861.262310][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6861.262310][ T74] ipv6_add_addr+0x411/0x2000 [ 6861.262310][ T74] inet6_addr_add+0x30e/0xa40 [ 6861.262310][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6861.262310][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6861.262310][ T74] netlink_rcv_skb+0x130/0x360 [ 6861.262310][ T74] netlink_unicast+0x449/0x710 [ 6861.262310][ T74] netlink_sendmsg+0x723/0xbe0 [ 6861.262310][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6861.262310][ T74] ___sys_sendmsg+0xee/0x170 [ 6861.262310][ T74] __sys_sendmsg+0xcd/0x170 [ 6861.262310][ T74] do_syscall_64+0xc6/0x1e0 [ 6861.262310][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6861.262310][ T74] [ 6861.264288][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6861.264288][ T74] netdev_get_by_index+0x5e/0x80 [ 6861.264288][ T74] fib6_nh_init+0x3d8/0x1580 [ 6861.264288][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6861.264288][ T74] ip6_route_add+0x1c/0x140 [ 6861.264288][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6861.264288][ T74] addrconf_add_dev+0xe2/0x170 [ 6861.264288][ T74] inet6_addr_add+0x12f/0xa40 [ 6861.264288][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6861.264288][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6861.264288][ T74] netlink_rcv_skb+0x130/0x360 [ 6861.264288][ T74] netlink_unicast+0x449/0x710 [ 6861.264288][ T74] netlink_sendmsg+0x723/0xbe0 [ 6861.264288][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6861.264288][ T74] ___sys_sendmsg+0xee/0x170 [ 6861.264288][ T74] __sys_sendmsg+0xcd/0x170 [ 6861.264288][ T74] do_syscall_64+0xc6/0x1e0 [ 6861.264288][ T74] [ 6861.266232][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6861.266232][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6861.266232][ T74] ipv6_find_idev+0x102/0x170 [ 6861.266232][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6861.266232][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6861.266232][ T74] netlink_rcv_skb+0x130/0x360 [ 6861.266232][ T74] netlink_unicast+0x449/0x710 [ 6861.266232][ T74] netlink_sendmsg+0x723/0xbe0 [ 6861.266232][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6861.266232][ T74] ___sys_sendmsg+0xee/0x170 [ 6861.266232][ T74] __sys_sendmsg+0xcd/0x170 [ 6861.266232][ T74] do_syscall_64+0xc6/0x1e0 [ 6861.266232][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6861.266232][ T74] [ 6861.267768][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6861.267768][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6861.267768][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6861.267768][ T74] ipv6_find_idev+0x102/0x170 [ 6861.267768][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6861.267768][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6861.267768][ T74] netlink_rcv_skb+0x130/0x360 [ 6861.267768][ T74] netlink_unicast+0x449/0x710 [ 6861.267768][ T74] netlink_sendmsg+0x723/0xbe0 [ 6861.267768][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6861.267768][ T74] ___sys_sendmsg+0xee/0x170 [ 6861.267768][ T74] __sys_sendmsg+0xcd/0x170 [ 6861.267768][ T74] do_syscall_64+0xc6/0x1e0 [ 6861.267768][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6861.267768][ T74] [ 6861.269958][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6861.270239][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6861.270239][ T74] dst_init+0x84/0x4a0 [ 6861.270239][ T74] dst_alloc+0x97/0x150 [ 6861.270239][ T74] ip6_dst_alloc+0x23/0x90 [ 6861.270239][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6861.270239][ T74] ip6_pol_route+0x56f/0x840 [ 6861.270239][ T74] fib6_rule_lookup+0x456/0x630 [ 6861.270239][ T74] ip6_route_input+0x59c/0xa50 [ 6861.270239][ T74] ipv6_rcv+0x397/0x810 [ 6861.270239][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6861.270239][ T74] process_backlog+0x101/0x620 [ 6861.270239][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6861.270239][ T74] net_rx_action+0x495/0xbe0 [ 6861.270239][ T74] __do_softirq+0x1b5/0x7f6 [ 6861.270239][ T74] [ 6861.271864][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6861.271864][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6861.271864][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6861.271864][ T74] fib6_nh_init+0xa22/0x1580 [ 6861.271864][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6861.271864][ T74] ip6_route_add+0x1c/0x140 [ 6861.271864][ T74] inet6_rtm_newroute+0x104/0x110 [ 6861.271864][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6861.271864][ T74] netlink_rcv_skb+0x130/0x360 [ 6861.271864][ T74] netlink_unicast+0x449/0x710 [ 6861.271864][ T74] netlink_sendmsg+0x723/0xbe0 [ 6861.271864][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6861.271864][ T74] ___sys_sendmsg+0xee/0x170 [ 6861.271864][ T74] __sys_sendmsg+0xcd/0x170 [ 6861.271864][ T74] do_syscall_64+0xc6/0x1e0 [ 6861.271864][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6861.271864][ T74] [ 6861.273724][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6861.273724][ T74] netdev_get_by_index+0x5e/0x80 [ 6861.273724][ T74] fib6_nh_init+0x3d8/0x1580 [ 6861.273724][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6861.273724][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6861.273724][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6861.273724][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6861.273724][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6861.273724][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6861.273724][ T74] addrconf_dad_begin+0x310/0x670 [ 6861.273724][ T74] addrconf_dad_work+0x10b/0xab0 [ 6861.273724][ T74] process_one_work+0x84d/0x18a0 [ 6861.273724][ T74] worker_thread+0x587/0xd30 [ 6861.273724][ T74] kthread+0x28a/0x350 [ 6861.273724][ T74] ret_from_fork+0x31/0x70 [ 6861.273724][ T74] ret_from_fork_asm+0x1a/0x30 [ 6861.273724][ T74] [ 6861.275619][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6861.275619][ T74] netdev_get_by_index+0x5e/0x80 [ 6861.275619][ T74] fib6_nh_init+0x3d8/0x1580 [ 6861.275619][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6861.275619][ T74] ip6_route_add+0x1c/0x140 [ 6861.275619][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6861.275619][ T74] inet6_addr_add+0x4f8/0xa40 [ 6861.275619][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6861.275619][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6861.275619][ T74] netlink_rcv_skb+0x130/0x360 [ 6861.275619][ T74] netlink_unicast+0x449/0x710 [ 6861.275619][ T74] netlink_sendmsg+0x723/0xbe0 [ 6861.275619][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6861.275619][ T74] ___sys_sendmsg+0xee/0x170 [ 6861.275619][ T74] __sys_sendmsg+0xcd/0x170 [ 6861.275619][ T74] do_syscall_64+0xc6/0x1e0 [ 6861.275619][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6861.275619][ T74] [ 6861.277619][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6861.277619][ T74] netdev_get_by_index+0x5e/0x80 [ 6861.277619][ T74] fib6_nh_init+0x3d8/0x1580 [ 6861.277619][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6861.277619][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6861.277619][ T74] ipv6_add_addr+0x411/0x2000 [ 6861.277619][ T74] inet6_addr_add+0x30e/0xa40 [ 6861.277619][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6861.277619][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6861.277619][ T74] netlink_rcv_skb+0x130/0x360 [ 6861.277619][ T74] netlink_unicast+0x449/0x710 [ 6861.277619][ T74] netlink_sendmsg+0x723/0xbe0 [ 6861.277619][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6861.277619][ T74] ___sys_sendmsg+0xee/0x170 [ 6861.277619][ T74] __sys_sendmsg+0xcd/0x170 [ 6861.277619][ T74] do_syscall_64+0xc6/0x1e0 [ 6861.277619][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6861.277619][ T74] [ 6861.279619][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6861.279619][ T74] netdev_get_by_index+0x5e/0x80 [ 6861.279619][ T74] fib6_nh_init+0x3d8/0x1580 [ 6861.279619][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6861.279619][ T74] ip6_route_add+0x1c/0x140 [ 6861.279619][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6861.279619][ T74] addrconf_add_dev+0xe2/0x170 [ 6861.279619][ T74] inet6_addr_add+0x12f/0xa40 [ 6861.279619][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6861.279619][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6861.279619][ T74] netlink_rcv_skb+0x130/0x360 [ 6861.279619][ T74] netlink_unicast+0x449/0x710 [ 6861.279619][ T74] netlink_sendmsg+0x723/0xbe0 [ 6861.279619][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6861.279619][ T74] ___sys_sendmsg+0xee/0x170 [ 6861.279619][ T74] __sys_sendmsg+0xcd/0x170 [ 6861.279619][ T74] do_syscall_64+0xc6/0x1e0 [ 6861.279619][ T74] [ 6861.281563][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6861.281563][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6861.281563][ T74] ipv6_find_idev+0x102/0x170 [ 6861.281563][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6861.281563][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6861.281563][ T74] netlink_rcv_skb+0x130/0x360 [ 6861.281563][ T74] netlink_unicast+0x449/0x710 [ 6861.281563][ T74] netlink_sendmsg+0x723/0xbe0 [ 6861.281563][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6861.281563][ T74] ___sys_sendmsg+0xee/0x170 [ 6861.281563][ T74] __sys_sendmsg+0xcd/0x170 [ 6861.281563][ T74] do_syscall_64+0xc6/0x1e0 [ 6861.281563][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6861.281563][ T74] [ 6861.283226][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6861.283226][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6861.283226][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6861.283226][ T74] ipv6_find_idev+0x102/0x170 [ 6861.283226][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6861.283226][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6861.283226][ T74] netlink_rcv_skb+0x130/0x360 [ 6861.283226][ T74] netlink_unicast+0x449/0x710 [ 6861.283226][ T74] netlink_sendmsg+0x723/0xbe0 [ 6861.283226][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6861.283226][ T74] ___sys_sendmsg+0xee/0x170 [ 6861.283226][ T74] __sys_sendmsg+0xcd/0x170 [ 6861.283226][ T74] do_syscall_64+0xc6/0x1e0 [ 6861.283226][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6861.283226][ T74] [ 6861.285208][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6861.285450][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6861.285450][ T74] netdev_get_by_index+0x5e/0x80 [ 6861.285450][ T74] fib6_nh_init+0x3d8/0x1580 [ 6861.285450][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6861.285450][ T74] ip6_route_add+0x1c/0x140 [ 6861.285450][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6861.285450][ T74] inet6_addr_add+0x4f8/0xa40 [ 6861.285450][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6861.285450][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6861.285450][ T74] netlink_rcv_skb+0x130/0x360 [ 6861.285450][ T74] netlink_unicast+0x449/0x710 [ 6861.285450][ T74] netlink_sendmsg+0x723/0xbe0 [ 6861.285450][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6861.285450][ T74] ___sys_sendmsg+0xee/0x170 [ 6861.285450][ T74] __sys_sendmsg+0xcd/0x170 [ 6861.285450][ T74] do_syscall_64+0xc6/0x1e0 [ 6861.285450][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6861.285450][ T74] [ 6861.287711][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6861.287711][ T74] netdev_get_by_index+0x5e/0x80 [ 6861.287711][ T74] fib6_nh_init+0x3d8/0x1580 [ 6861.287711][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6861.287711][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6861.287711][ T74] ipv6_add_addr+0x411/0x2000 [ 6861.287711][ T74] inet6_addr_add+0x30e/0xa40 [ 6861.287711][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6861.287711][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6861.287711][ T74] netlink_rcv_skb+0x130/0x360 [ 6861.287711][ T74] netlink_unicast+0x449/0x710 [ 6861.287711][ T74] netlink_sendmsg+0x723/0xbe0 [ 6861.287711][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6861.287711][ T74] ___sys_sendmsg+0xee/0x170 [ 6861.287711][ T74] __sys_sendmsg+0xcd/0x170 [ 6861.287711][ T74] do_syscall_64+0xc6/0x1e0 [ 6861.287711][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6861.287711][ T74] [ 6861.289940][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6861.289940][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6861.289940][ T74] ipv6_find_idev+0x102/0x170 [ 6861.289940][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6861.289940][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6861.289940][ T74] netlink_rcv_skb+0x130/0x360 [ 6861.289940][ T74] netlink_unicast+0x449/0x710 [ 6861.289940][ T74] netlink_sendmsg+0x723/0xbe0 [ 6861.289940][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6861.289940][ T74] ___sys_sendmsg+0xee/0x170 [ 6861.289940][ T74] __sys_sendmsg+0xcd/0x170 [ 6861.289940][ T74] do_syscall_64+0xc6/0x1e0 [ 6861.289940][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6861.289940][ T74] [ 6861.291649][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6861.291649][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6861.291649][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6861.291649][ T74] ipv6_find_idev+0x102/0x170 [ 6861.291649][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6861.291649][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6861.291649][ T74] netlink_rcv_skb+0x130/0x360 [ 6861.291649][ T74] netlink_unicast+0x449/0x710 [ 6861.291649][ T74] netlink_sendmsg+0x723/0xbe0 [ 6861.291649][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6861.291649][ T74] ___sys_sendmsg+0xee/0x170 [ 6861.291649][ T74] __sys_sendmsg+0xcd/0x170 [ 6861.291649][ T74] do_syscall_64+0xc6/0x1e0 [ 6861.291649][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6861.291649][ T74] [ 6871.311955][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6871.312377][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6871.312377][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6871.312377][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6871.312377][ T74] fib6_nh_init+0xa22/0x1580 [ 6871.312377][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6871.312377][ T74] ip6_route_add+0x1c/0x140 [ 6871.312377][ T74] inet6_rtm_newroute+0x104/0x110 [ 6871.312377][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6871.312377][ T74] netlink_rcv_skb+0x130/0x360 [ 6871.312377][ T74] netlink_unicast+0x449/0x710 [ 6871.312377][ T74] netlink_sendmsg+0x723/0xbe0 [ 6871.312377][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6871.312377][ T74] ___sys_sendmsg+0xee/0x170 [ 6871.312377][ T74] __sys_sendmsg+0xcd/0x170 [ 6871.312377][ T74] do_syscall_64+0xc6/0x1e0 [ 6871.312377][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6871.312377][ T74] [ 6871.314269][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6871.314269][ T74] netdev_get_by_index+0x5e/0x80 [ 6871.314269][ T74] fib6_nh_init+0x3d8/0x1580 [ 6871.314269][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6871.314269][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6871.314269][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6871.314269][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6871.314269][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6871.314269][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6871.314269][ T74] addrconf_dad_begin+0x310/0x670 [ 6871.314269][ T74] addrconf_dad_work+0x10b/0xab0 [ 6871.314269][ T74] process_one_work+0x84d/0x18a0 [ 6871.314269][ T74] worker_thread+0x587/0xd30 [ 6871.314269][ T74] kthread+0x28a/0x350 [ 6871.314269][ T74] ret_from_fork+0x31/0x70 [ 6871.314269][ T74] ret_from_fork_asm+0x1a/0x30 [ 6871.314269][ T74] [ 6871.316191][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6871.316191][ T74] netdev_get_by_index+0x5e/0x80 [ 6871.316191][ T74] fib6_nh_init+0x3d8/0x1580 [ 6871.316191][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6871.316191][ T74] ip6_route_add+0x1c/0x140 [ 6871.316191][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6871.316191][ T74] inet6_addr_add+0x4f8/0xa40 [ 6871.316191][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6871.316191][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6871.316191][ T74] netlink_rcv_skb+0x130/0x360 [ 6871.316191][ T74] netlink_unicast+0x449/0x710 [ 6871.316191][ T74] netlink_sendmsg+0x723/0xbe0 [ 6871.316191][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6871.316191][ T74] ___sys_sendmsg+0xee/0x170 [ 6871.316191][ T74] __sys_sendmsg+0xcd/0x170 [ 6871.316191][ T74] do_syscall_64+0xc6/0x1e0 [ 6871.316191][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6871.316191][ T74] [ 6871.318203][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6871.318203][ T74] netdev_get_by_index+0x5e/0x80 [ 6871.318203][ T74] fib6_nh_init+0x3d8/0x1580 [ 6871.318203][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6871.318203][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6871.318203][ T74] ipv6_add_addr+0x411/0x2000 [ 6871.318203][ T74] inet6_addr_add+0x30e/0xa40 [ 6871.318203][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6871.318203][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6871.318203][ T74] netlink_rcv_skb+0x130/0x360 [ 6871.318203][ T74] netlink_unicast+0x449/0x710 [ 6871.318203][ T74] netlink_sendmsg+0x723/0xbe0 [ 6871.318203][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6871.318203][ T74] ___sys_sendmsg+0xee/0x170 [ 6871.318203][ T74] __sys_sendmsg+0xcd/0x170 [ 6871.318203][ T74] do_syscall_64+0xc6/0x1e0 [ 6871.318203][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6871.318203][ T74] [ 6871.320232][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6871.320232][ T74] netdev_get_by_index+0x5e/0x80 [ 6871.320232][ T74] fib6_nh_init+0x3d8/0x1580 [ 6871.320232][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6871.320232][ T74] ip6_route_add+0x1c/0x140 [ 6871.320232][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6871.320232][ T74] addrconf_add_dev+0xe2/0x170 [ 6871.320232][ T74] inet6_addr_add+0x12f/0xa40 [ 6871.320232][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6871.320232][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6871.320232][ T74] netlink_rcv_skb+0x130/0x360 [ 6871.320232][ T74] netlink_unicast+0x449/0x710 [ 6871.320232][ T74] netlink_sendmsg+0x723/0xbe0 [ 6871.320232][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6871.320232][ T74] ___sys_sendmsg+0xee/0x170 [ 6871.320232][ T74] __sys_sendmsg+0xcd/0x170 [ 6871.320232][ T74] do_syscall_64+0xc6/0x1e0 [ 6871.320232][ T74] [ 6871.322189][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6871.322189][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6871.322189][ T74] ipv6_find_idev+0x102/0x170 [ 6871.322189][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6871.322189][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6871.322189][ T74] netlink_rcv_skb+0x130/0x360 [ 6871.322189][ T74] netlink_unicast+0x449/0x710 [ 6871.322189][ T74] netlink_sendmsg+0x723/0xbe0 [ 6871.322189][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6871.322189][ T74] ___sys_sendmsg+0xee/0x170 [ 6871.322189][ T74] __sys_sendmsg+0xcd/0x170 [ 6871.322189][ T74] do_syscall_64+0xc6/0x1e0 [ 6871.322189][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6871.322189][ T74] [ 6871.323716][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6871.323716][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6871.323716][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6871.323716][ T74] ipv6_find_idev+0x102/0x170 [ 6871.323716][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6871.323716][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6871.323716][ T74] netlink_rcv_skb+0x130/0x360 [ 6871.323716][ T74] netlink_unicast+0x449/0x710 [ 6871.323716][ T74] netlink_sendmsg+0x723/0xbe0 [ 6871.323716][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6871.323716][ T74] ___sys_sendmsg+0xee/0x170 [ 6871.323716][ T74] __sys_sendmsg+0xcd/0x170 [ 6871.323716][ T74] do_syscall_64+0xc6/0x1e0 [ 6871.323716][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6871.323716][ T74] [ 6871.325403][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6871.325693][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6871.325693][ T74] dst_init+0x84/0x4a0 [ 6871.325693][ T74] dst_alloc+0x97/0x150 [ 6871.325693][ T74] ip6_dst_alloc+0x23/0x90 [ 6871.325693][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6871.325693][ T74] ip6_pol_route+0x56f/0x840 [ 6871.325693][ T74] fib6_rule_lookup+0x456/0x630 [ 6871.325693][ T74] ip6_route_input+0x59c/0xa50 [ 6871.325693][ T74] ipv6_rcv+0x397/0x810 [ 6871.325693][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6871.325693][ T74] process_backlog+0x101/0x620 [ 6871.325693][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6871.325693][ T74] net_rx_action+0x495/0xbe0 [ 6871.325693][ T74] __do_softirq+0x1b5/0x7f6 [ 6871.325693][ T74] [ 6871.327326][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6871.327326][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6871.327326][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6871.327326][ T74] fib6_nh_init+0xa22/0x1580 [ 6871.327326][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6871.327326][ T74] ip6_route_add+0x1c/0x140 [ 6871.327326][ T74] inet6_rtm_newroute+0x104/0x110 [ 6871.327326][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6871.327326][ T74] netlink_rcv_skb+0x130/0x360 [ 6871.327326][ T74] netlink_unicast+0x449/0x710 [ 6871.327326][ T74] netlink_sendmsg+0x723/0xbe0 [ 6871.327326][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6871.327326][ T74] ___sys_sendmsg+0xee/0x170 [ 6871.327326][ T74] __sys_sendmsg+0xcd/0x170 [ 6871.327326][ T74] do_syscall_64+0xc6/0x1e0 [ 6871.327326][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6871.327326][ T74] [ 6871.329193][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6871.329193][ T74] netdev_get_by_index+0x5e/0x80 [ 6871.329193][ T74] fib6_nh_init+0x3d8/0x1580 [ 6871.329193][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6871.329193][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6871.329193][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6871.329193][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6871.329193][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6871.329193][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6871.329193][ T74] addrconf_dad_begin+0x310/0x670 [ 6871.329193][ T74] addrconf_dad_work+0x10b/0xab0 [ 6871.329193][ T74] process_one_work+0x84d/0x18a0 [ 6871.329193][ T74] worker_thread+0x587/0xd30 [ 6871.329193][ T74] kthread+0x28a/0x350 [ 6871.329193][ T74] ret_from_fork+0x31/0x70 [ 6871.329193][ T74] ret_from_fork_asm+0x1a/0x30 [ 6871.329193][ T74] [ 6871.331107][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6871.331107][ T74] netdev_get_by_index+0x5e/0x80 [ 6871.331107][ T74] fib6_nh_init+0x3d8/0x1580 [ 6871.331107][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6871.331107][ T74] ip6_route_add+0x1c/0x140 [ 6871.331107][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6871.331107][ T74] inet6_addr_add+0x4f8/0xa40 [ 6871.331107][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6871.331107][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6871.331107][ T74] netlink_rcv_skb+0x130/0x360 [ 6871.331107][ T74] netlink_unicast+0x449/0x710 [ 6871.331107][ T74] netlink_sendmsg+0x723/0xbe0 [ 6871.331107][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6871.331107][ T74] ___sys_sendmsg+0xee/0x170 [ 6871.331107][ T74] __sys_sendmsg+0xcd/0x170 [ 6871.331107][ T74] do_syscall_64+0xc6/0x1e0 [ 6871.331107][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6871.331107][ T74] [ 6871.333097][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6871.333097][ T74] netdev_get_by_index+0x5e/0x80 [ 6871.333097][ T74] fib6_nh_init+0x3d8/0x1580 [ 6871.333097][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6871.333097][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6871.333097][ T74] ipv6_add_addr+0x411/0x2000 [ 6871.333097][ T74] inet6_addr_add+0x30e/0xa40 [ 6871.333097][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6871.333097][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6871.333097][ T74] netlink_rcv_skb+0x130/0x360 [ 6871.333097][ T74] netlink_unicast+0x449/0x710 [ 6871.333097][ T74] netlink_sendmsg+0x723/0xbe0 [ 6871.333097][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6871.333097][ T74] ___sys_sendmsg+0xee/0x170 [ 6871.333097][ T74] __sys_sendmsg+0xcd/0x170 [ 6871.333097][ T74] do_syscall_64+0xc6/0x1e0 [ 6871.333097][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6871.333097][ T74] [ 6871.335086][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6871.335086][ T74] netdev_get_by_index+0x5e/0x80 [ 6871.335086][ T74] fib6_nh_init+0x3d8/0x1580 [ 6871.335086][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6871.335086][ T74] ip6_route_add+0x1c/0x140 [ 6871.335086][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6871.335086][ T74] addrconf_add_dev+0xe2/0x170 [ 6871.335086][ T74] inet6_addr_add+0x12f/0xa40 [ 6871.335086][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6871.335086][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6871.335086][ T74] netlink_rcv_skb+0x130/0x360 [ 6871.335086][ T74] netlink_unicast+0x449/0x710 [ 6871.335086][ T74] netlink_sendmsg+0x723/0xbe0 [ 6871.335086][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6871.335086][ T74] ___sys_sendmsg+0xee/0x170 [ 6871.335086][ T74] __sys_sendmsg+0xcd/0x170 [ 6871.335086][ T74] do_syscall_64+0xc6/0x1e0 [ 6871.335086][ T74] [ 6871.337044][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6871.337044][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6871.337044][ T74] ipv6_find_idev+0x102/0x170 [ 6871.337044][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6871.337044][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6871.337044][ T74] netlink_rcv_skb+0x130/0x360 [ 6871.337044][ T74] netlink_unicast+0x449/0x710 [ 6871.337044][ T74] netlink_sendmsg+0x723/0xbe0 [ 6871.337044][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6871.337044][ T74] ___sys_sendmsg+0xee/0x170 [ 6871.337044][ T74] __sys_sendmsg+0xcd/0x170 [ 6871.337044][ T74] do_syscall_64+0xc6/0x1e0 [ 6871.337044][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6871.337044][ T74] [ 6871.338694][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6871.338694][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6871.338694][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6871.338694][ T74] ipv6_find_idev+0x102/0x170 [ 6871.338694][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6871.338694][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6871.338694][ T74] netlink_rcv_skb+0x130/0x360 [ 6871.338694][ T74] netlink_unicast+0x449/0x710 [ 6871.338694][ T74] netlink_sendmsg+0x723/0xbe0 [ 6871.338694][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6871.338694][ T74] ___sys_sendmsg+0xee/0x170 [ 6871.338694][ T74] __sys_sendmsg+0xcd/0x170 [ 6871.338694][ T74] do_syscall_64+0xc6/0x1e0 [ 6871.338694][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6871.338694][ T74] [ 6871.340769][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6871.341019][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6871.341019][ T74] netdev_get_by_index+0x5e/0x80 [ 6871.341019][ T74] fib6_nh_init+0x3d8/0x1580 [ 6871.341019][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6871.341019][ T74] ip6_route_add+0x1c/0x140 [ 6871.341019][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6871.341019][ T74] inet6_addr_add+0x4f8/0xa40 [ 6871.341019][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6871.341019][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6871.341019][ T74] netlink_rcv_skb+0x130/0x360 [ 6871.341019][ T74] netlink_unicast+0x449/0x710 [ 6871.341019][ T74] netlink_sendmsg+0x723/0xbe0 [ 6871.341019][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6871.341019][ T74] ___sys_sendmsg+0xee/0x170 [ 6871.341019][ T74] __sys_sendmsg+0xcd/0x170 [ 6871.341019][ T74] do_syscall_64+0xc6/0x1e0 [ 6871.341019][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6871.341019][ T74] [ 6871.343270][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6871.343270][ T74] netdev_get_by_index+0x5e/0x80 [ 6871.343270][ T74] fib6_nh_init+0x3d8/0x1580 [ 6871.343270][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6871.343270][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6871.343270][ T74] ipv6_add_addr+0x411/0x2000 [ 6871.343270][ T74] inet6_addr_add+0x30e/0xa40 [ 6871.343270][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6871.343270][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6871.343270][ T74] netlink_rcv_skb+0x130/0x360 [ 6871.343270][ T74] netlink_unicast+0x449/0x710 [ 6871.343270][ T74] netlink_sendmsg+0x723/0xbe0 [ 6871.343270][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6871.343270][ T74] ___sys_sendmsg+0xee/0x170 [ 6871.343270][ T74] __sys_sendmsg+0xcd/0x170 [ 6871.343270][ T74] do_syscall_64+0xc6/0x1e0 [ 6871.343270][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6871.343270][ T74] [ 6871.345501][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6871.345501][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6871.345501][ T74] ipv6_find_idev+0x102/0x170 [ 6871.345501][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6871.345501][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6871.345501][ T74] netlink_rcv_skb+0x130/0x360 [ 6871.345501][ T74] netlink_unicast+0x449/0x710 [ 6871.345501][ T74] netlink_sendmsg+0x723/0xbe0 [ 6871.345501][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6871.345501][ T74] ___sys_sendmsg+0xee/0x170 [ 6871.345501][ T74] __sys_sendmsg+0xcd/0x170 [ 6871.345501][ T74] do_syscall_64+0xc6/0x1e0 [ 6871.345501][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6871.345501][ T74] [ 6871.347163][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6871.347163][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6871.347163][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6871.347163][ T74] ipv6_find_idev+0x102/0x170 [ 6871.347163][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6871.347163][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6871.347163][ T74] netlink_rcv_skb+0x130/0x360 [ 6871.347163][ T74] netlink_unicast+0x449/0x710 [ 6871.347163][ T74] netlink_sendmsg+0x723/0xbe0 [ 6871.347163][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6871.347163][ T74] ___sys_sendmsg+0xee/0x170 [ 6871.347163][ T74] __sys_sendmsg+0xcd/0x170 [ 6871.347163][ T74] do_syscall_64+0xc6/0x1e0 [ 6871.347163][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6871.347163][ T74] [ 6881.359960][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6881.360379][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6881.360379][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6881.360379][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6881.360379][ T74] fib6_nh_init+0xa22/0x1580 [ 6881.360379][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6881.360379][ T74] ip6_route_add+0x1c/0x140 [ 6881.360379][ T74] inet6_rtm_newroute+0x104/0x110 [ 6881.360379][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6881.360379][ T74] netlink_rcv_skb+0x130/0x360 [ 6881.360379][ T74] netlink_unicast+0x449/0x710 [ 6881.360379][ T74] netlink_sendmsg+0x723/0xbe0 [ 6881.360379][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6881.360379][ T74] ___sys_sendmsg+0xee/0x170 [ 6881.360379][ T74] __sys_sendmsg+0xcd/0x170 [ 6881.360379][ T74] do_syscall_64+0xc6/0x1e0 [ 6881.360379][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6881.360379][ T74] [ 6881.362266][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6881.362266][ T74] netdev_get_by_index+0x5e/0x80 [ 6881.362266][ T74] fib6_nh_init+0x3d8/0x1580 [ 6881.362266][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6881.362266][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6881.362266][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6881.362266][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6881.362266][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6881.362266][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6881.362266][ T74] addrconf_dad_begin+0x310/0x670 [ 6881.362266][ T74] addrconf_dad_work+0x10b/0xab0 [ 6881.362266][ T74] process_one_work+0x84d/0x18a0 [ 6881.362266][ T74] worker_thread+0x587/0xd30 [ 6881.362266][ T74] kthread+0x28a/0x350 [ 6881.362266][ T74] ret_from_fork+0x31/0x70 [ 6881.362266][ T74] ret_from_fork_asm+0x1a/0x30 [ 6881.362266][ T74] [ 6881.364171][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6881.364171][ T74] netdev_get_by_index+0x5e/0x80 [ 6881.364171][ T74] fib6_nh_init+0x3d8/0x1580 [ 6881.364171][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6881.364171][ T74] ip6_route_add+0x1c/0x140 [ 6881.364171][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6881.364171][ T74] inet6_addr_add+0x4f8/0xa40 [ 6881.364171][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6881.364171][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6881.364171][ T74] netlink_rcv_skb+0x130/0x360 [ 6881.364171][ T74] netlink_unicast+0x449/0x710 [ 6881.364171][ T74] netlink_sendmsg+0x723/0xbe0 [ 6881.364171][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6881.364171][ T74] ___sys_sendmsg+0xee/0x170 [ 6881.364171][ T74] __sys_sendmsg+0xcd/0x170 [ 6881.364171][ T74] do_syscall_64+0xc6/0x1e0 [ 6881.364171][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6881.364171][ T74] [ 6881.366173][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6881.366173][ T74] netdev_get_by_index+0x5e/0x80 [ 6881.366173][ T74] fib6_nh_init+0x3d8/0x1580 [ 6881.366173][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6881.366173][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6881.366173][ T74] ipv6_add_addr+0x411/0x2000 [ 6881.366173][ T74] inet6_addr_add+0x30e/0xa40 [ 6881.366173][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6881.366173][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6881.366173][ T74] netlink_rcv_skb+0x130/0x360 [ 6881.366173][ T74] netlink_unicast+0x449/0x710 [ 6881.366173][ T74] netlink_sendmsg+0x723/0xbe0 [ 6881.366173][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6881.366173][ T74] ___sys_sendmsg+0xee/0x170 [ 6881.366173][ T74] __sys_sendmsg+0xcd/0x170 [ 6881.366173][ T74] do_syscall_64+0xc6/0x1e0 [ 6881.366173][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6881.366173][ T74] [ 6881.368180][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6881.368180][ T74] netdev_get_by_index+0x5e/0x80 [ 6881.368180][ T74] fib6_nh_init+0x3d8/0x1580 [ 6881.368180][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6881.368180][ T74] ip6_route_add+0x1c/0x140 [ 6881.368180][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6881.368180][ T74] addrconf_add_dev+0xe2/0x170 [ 6881.368180][ T74] inet6_addr_add+0x12f/0xa40 [ 6881.368180][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6881.368180][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6881.368180][ T74] netlink_rcv_skb+0x130/0x360 [ 6881.368180][ T74] netlink_unicast+0x449/0x710 [ 6881.368180][ T74] netlink_sendmsg+0x723/0xbe0 [ 6881.368180][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6881.368180][ T74] ___sys_sendmsg+0xee/0x170 [ 6881.368180][ T74] __sys_sendmsg+0xcd/0x170 [ 6881.368180][ T74] do_syscall_64+0xc6/0x1e0 [ 6881.368180][ T74] [ 6881.370131][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6881.370131][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6881.370131][ T74] ipv6_find_idev+0x102/0x170 [ 6881.370131][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6881.370131][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6881.370131][ T74] netlink_rcv_skb+0x130/0x360 [ 6881.370131][ T74] netlink_unicast+0x449/0x710 [ 6881.370131][ T74] netlink_sendmsg+0x723/0xbe0 [ 6881.370131][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6881.370131][ T74] ___sys_sendmsg+0xee/0x170 [ 6881.370131][ T74] __sys_sendmsg+0xcd/0x170 [ 6881.370131][ T74] do_syscall_64+0xc6/0x1e0 [ 6881.370131][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6881.370131][ T74] [ 6881.371657][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6881.371657][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6881.371657][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6881.371657][ T74] ipv6_find_idev+0x102/0x170 [ 6881.371657][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6881.371657][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6881.371657][ T74] netlink_rcv_skb+0x130/0x360 [ 6881.371657][ T74] netlink_unicast+0x449/0x710 [ 6881.371657][ T74] netlink_sendmsg+0x723/0xbe0 [ 6881.371657][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6881.371657][ T74] ___sys_sendmsg+0xee/0x170 [ 6881.371657][ T74] __sys_sendmsg+0xcd/0x170 [ 6881.371657][ T74] do_syscall_64+0xc6/0x1e0 [ 6881.371657][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6881.371657][ T74] [ 6881.373333][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6881.373612][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6881.373612][ T74] dst_init+0x84/0x4a0 [ 6881.373612][ T74] dst_alloc+0x97/0x150 [ 6881.373612][ T74] ip6_dst_alloc+0x23/0x90 [ 6881.373612][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6881.373612][ T74] ip6_pol_route+0x56f/0x840 [ 6881.373612][ T74] fib6_rule_lookup+0x456/0x630 [ 6881.373612][ T74] ip6_route_input+0x59c/0xa50 [ 6881.373612][ T74] ipv6_rcv+0x397/0x810 [ 6881.373612][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6881.373612][ T74] process_backlog+0x101/0x620 [ 6881.373612][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6881.373612][ T74] net_rx_action+0x495/0xbe0 [ 6881.373612][ T74] __do_softirq+0x1b5/0x7f6 [ 6881.373612][ T74] [ 6881.375246][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6881.375246][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6881.375246][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6881.375246][ T74] fib6_nh_init+0xa22/0x1580 [ 6881.375246][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6881.375246][ T74] ip6_route_add+0x1c/0x140 [ 6881.375246][ T74] inet6_rtm_newroute+0x104/0x110 [ 6881.375246][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6881.375246][ T74] netlink_rcv_skb+0x130/0x360 [ 6881.375246][ T74] netlink_unicast+0x449/0x710 [ 6881.375246][ T74] netlink_sendmsg+0x723/0xbe0 [ 6881.375246][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6881.375246][ T74] ___sys_sendmsg+0xee/0x170 [ 6881.375246][ T74] __sys_sendmsg+0xcd/0x170 [ 6881.375246][ T74] do_syscall_64+0xc6/0x1e0 [ 6881.375246][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6881.375246][ T74] [ 6881.377119][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6881.377119][ T74] netdev_get_by_index+0x5e/0x80 [ 6881.377119][ T74] fib6_nh_init+0x3d8/0x1580 [ 6881.377119][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6881.377119][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6881.377119][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6881.377119][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6881.377119][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6881.377119][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6881.377119][ T74] addrconf_dad_begin+0x310/0x670 [ 6881.377119][ T74] addrconf_dad_work+0x10b/0xab0 [ 6881.377119][ T74] process_one_work+0x84d/0x18a0 [ 6881.377119][ T74] worker_thread+0x587/0xd30 [ 6881.377119][ T74] kthread+0x28a/0x350 [ 6881.377119][ T74] ret_from_fork+0x31/0x70 [ 6881.377119][ T74] ret_from_fork_asm+0x1a/0x30 [ 6881.377119][ T74] [ 6881.379022][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6881.379022][ T74] netdev_get_by_index+0x5e/0x80 [ 6881.379022][ T74] fib6_nh_init+0x3d8/0x1580 [ 6881.379022][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6881.379022][ T74] ip6_route_add+0x1c/0x140 [ 6881.379022][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6881.379022][ T74] inet6_addr_add+0x4f8/0xa40 [ 6881.379022][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6881.379022][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6881.379022][ T74] netlink_rcv_skb+0x130/0x360 [ 6881.379022][ T74] netlink_unicast+0x449/0x710 [ 6881.379022][ T74] netlink_sendmsg+0x723/0xbe0 [ 6881.379022][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6881.379022][ T74] ___sys_sendmsg+0xee/0x170 [ 6881.379022][ T74] __sys_sendmsg+0xcd/0x170 [ 6881.379022][ T74] do_syscall_64+0xc6/0x1e0 [ 6881.379022][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6881.379022][ T74] [ 6881.381011][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6881.381011][ T74] netdev_get_by_index+0x5e/0x80 [ 6881.381011][ T74] fib6_nh_init+0x3d8/0x1580 [ 6881.381011][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6881.381011][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6881.381011][ T74] ipv6_add_addr+0x411/0x2000 [ 6881.381011][ T74] inet6_addr_add+0x30e/0xa40 [ 6881.381011][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6881.381011][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6881.381011][ T74] netlink_rcv_skb+0x130/0x360 [ 6881.381011][ T74] netlink_unicast+0x449/0x710 [ 6881.381011][ T74] netlink_sendmsg+0x723/0xbe0 [ 6881.381011][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6881.381011][ T74] ___sys_sendmsg+0xee/0x170 [ 6881.381011][ T74] __sys_sendmsg+0xcd/0x170 [ 6881.381011][ T74] do_syscall_64+0xc6/0x1e0 [ 6881.381011][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6881.381011][ T74] [ 6881.382997][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6881.382997][ T74] netdev_get_by_index+0x5e/0x80 [ 6881.382997][ T74] fib6_nh_init+0x3d8/0x1580 [ 6881.382997][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6881.382997][ T74] ip6_route_add+0x1c/0x140 [ 6881.382997][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6881.382997][ T74] addrconf_add_dev+0xe2/0x170 [ 6881.382997][ T74] inet6_addr_add+0x12f/0xa40 [ 6881.382997][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6881.382997][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6881.382997][ T74] netlink_rcv_skb+0x130/0x360 [ 6881.382997][ T74] netlink_unicast+0x449/0x710 [ 6881.382997][ T74] netlink_sendmsg+0x723/0xbe0 [ 6881.382997][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6881.382997][ T74] ___sys_sendmsg+0xee/0x170 [ 6881.382997][ T74] __sys_sendmsg+0xcd/0x170 [ 6881.382997][ T74] do_syscall_64+0xc6/0x1e0 [ 6881.382997][ T74] [ 6881.384945][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6881.384945][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6881.384945][ T74] ipv6_find_idev+0x102/0x170 [ 6881.384945][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6881.384945][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6881.384945][ T74] netlink_rcv_skb+0x130/0x360 [ 6881.384945][ T74] netlink_unicast+0x449/0x710 [ 6881.384945][ T74] netlink_sendmsg+0x723/0xbe0 [ 6881.384945][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6881.384945][ T74] ___sys_sendmsg+0xee/0x170 [ 6881.384945][ T74] __sys_sendmsg+0xcd/0x170 [ 6881.384945][ T74] do_syscall_64+0xc6/0x1e0 [ 6881.384945][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6881.384945][ T74] [ 6881.386597][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6881.386597][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6881.386597][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6881.386597][ T74] ipv6_find_idev+0x102/0x170 [ 6881.386597][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6881.386597][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6881.386597][ T74] netlink_rcv_skb+0x130/0x360 [ 6881.386597][ T74] netlink_unicast+0x449/0x710 [ 6881.386597][ T74] netlink_sendmsg+0x723/0xbe0 [ 6881.386597][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6881.386597][ T74] ___sys_sendmsg+0xee/0x170 [ 6881.386597][ T74] __sys_sendmsg+0xcd/0x170 [ 6881.386597][ T74] do_syscall_64+0xc6/0x1e0 [ 6881.386597][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6881.386597][ T74] [ 6881.388518][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6881.388757][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6881.388757][ T74] netdev_get_by_index+0x5e/0x80 [ 6881.388757][ T74] fib6_nh_init+0x3d8/0x1580 [ 6881.388757][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6881.388757][ T74] ip6_route_add+0x1c/0x140 [ 6881.388757][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6881.388757][ T74] inet6_addr_add+0x4f8/0xa40 [ 6881.388757][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6881.388757][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6881.388757][ T74] netlink_rcv_skb+0x130/0x360 [ 6881.388757][ T74] netlink_unicast+0x449/0x710 [ 6881.388757][ T74] netlink_sendmsg+0x723/0xbe0 [ 6881.388757][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6881.388757][ T74] ___sys_sendmsg+0xee/0x170 [ 6881.388757][ T74] __sys_sendmsg+0xcd/0x170 [ 6881.388757][ T74] do_syscall_64+0xc6/0x1e0 [ 6881.388757][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6881.388757][ T74] [ 6881.391061][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6881.391061][ T74] netdev_get_by_index+0x5e/0x80 [ 6881.391061][ T74] fib6_nh_init+0x3d8/0x1580 [ 6881.391061][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6881.391061][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6881.391061][ T74] ipv6_add_addr+0x411/0x2000 [ 6881.391061][ T74] inet6_addr_add+0x30e/0xa40 [ 6881.391061][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6881.391061][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6881.391061][ T74] netlink_rcv_skb+0x130/0x360 [ 6881.391061][ T74] netlink_unicast+0x449/0x710 [ 6881.391061][ T74] netlink_sendmsg+0x723/0xbe0 [ 6881.391061][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6881.391061][ T74] ___sys_sendmsg+0xee/0x170 [ 6881.391061][ T74] __sys_sendmsg+0xcd/0x170 [ 6881.391061][ T74] do_syscall_64+0xc6/0x1e0 [ 6881.391061][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6881.391061][ T74] [ 6881.393285][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6881.393285][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6881.393285][ T74] ipv6_find_idev+0x102/0x170 [ 6881.393285][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6881.393285][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6881.393285][ T74] netlink_rcv_skb+0x130/0x360 [ 6881.393285][ T74] netlink_unicast+0x449/0x710 [ 6881.393285][ T74] netlink_sendmsg+0x723/0xbe0 [ 6881.393285][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6881.393285][ T74] ___sys_sendmsg+0xee/0x170 [ 6881.393285][ T74] __sys_sendmsg+0xcd/0x170 [ 6881.393285][ T74] do_syscall_64+0xc6/0x1e0 [ 6881.393285][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6881.393285][ T74] [ 6881.394992][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6881.394992][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6881.394992][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6881.394992][ T74] ipv6_find_idev+0x102/0x170 [ 6881.394992][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6881.394992][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6881.394992][ T74] netlink_rcv_skb+0x130/0x360 [ 6881.394992][ T74] netlink_unicast+0x449/0x710 [ 6881.394992][ T74] netlink_sendmsg+0x723/0xbe0 [ 6881.394992][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6881.394992][ T74] ___sys_sendmsg+0xee/0x170 [ 6881.394992][ T74] __sys_sendmsg+0xcd/0x170 [ 6881.394992][ T74] do_syscall_64+0xc6/0x1e0 [ 6881.394992][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6881.394992][ T74] [ 6891.631963][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6891.632390][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6891.632390][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6891.632390][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6891.632390][ T74] fib6_nh_init+0xa22/0x1580 [ 6891.632390][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6891.632390][ T74] ip6_route_add+0x1c/0x140 [ 6891.632390][ T74] inet6_rtm_newroute+0x104/0x110 [ 6891.632390][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6891.632390][ T74] netlink_rcv_skb+0x130/0x360 [ 6891.632390][ T74] netlink_unicast+0x449/0x710 [ 6891.632390][ T74] netlink_sendmsg+0x723/0xbe0 [ 6891.632390][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6891.632390][ T74] ___sys_sendmsg+0xee/0x170 [ 6891.632390][ T74] __sys_sendmsg+0xcd/0x170 [ 6891.632390][ T74] do_syscall_64+0xc6/0x1e0 [ 6891.632390][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6891.632390][ T74] [ 6891.634280][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6891.634280][ T74] netdev_get_by_index+0x5e/0x80 [ 6891.634280][ T74] fib6_nh_init+0x3d8/0x1580 [ 6891.634280][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6891.634280][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6891.634280][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6891.634280][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6891.634280][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6891.634280][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6891.634280][ T74] addrconf_dad_begin+0x310/0x670 [ 6891.634280][ T74] addrconf_dad_work+0x10b/0xab0 [ 6891.634280][ T74] process_one_work+0x84d/0x18a0 [ 6891.634280][ T74] worker_thread+0x587/0xd30 [ 6891.634280][ T74] kthread+0x28a/0x350 [ 6891.634280][ T74] ret_from_fork+0x31/0x70 [ 6891.634280][ T74] ret_from_fork_asm+0x1a/0x30 [ 6891.634280][ T74] [ 6891.636180][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6891.636180][ T74] netdev_get_by_index+0x5e/0x80 [ 6891.636180][ T74] fib6_nh_init+0x3d8/0x1580 [ 6891.636180][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6891.636180][ T74] ip6_route_add+0x1c/0x140 [ 6891.636180][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6891.636180][ T74] inet6_addr_add+0x4f8/0xa40 [ 6891.636180][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6891.636180][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6891.636180][ T74] netlink_rcv_skb+0x130/0x360 [ 6891.636180][ T74] netlink_unicast+0x449/0x710 [ 6891.636180][ T74] netlink_sendmsg+0x723/0xbe0 [ 6891.636180][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6891.636180][ T74] ___sys_sendmsg+0xee/0x170 [ 6891.636180][ T74] __sys_sendmsg+0xcd/0x170 [ 6891.636180][ T74] do_syscall_64+0xc6/0x1e0 [ 6891.636180][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6891.636180][ T74] [ 6891.638170][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6891.638170][ T74] netdev_get_by_index+0x5e/0x80 [ 6891.638170][ T74] fib6_nh_init+0x3d8/0x1580 [ 6891.638170][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6891.638170][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6891.638170][ T74] ipv6_add_addr+0x411/0x2000 [ 6891.638170][ T74] inet6_addr_add+0x30e/0xa40 [ 6891.638170][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6891.638170][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6891.638170][ T74] netlink_rcv_skb+0x130/0x360 [ 6891.638170][ T74] netlink_unicast+0x449/0x710 [ 6891.638170][ T74] netlink_sendmsg+0x723/0xbe0 [ 6891.638170][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6891.638170][ T74] ___sys_sendmsg+0xee/0x170 [ 6891.638170][ T74] __sys_sendmsg+0xcd/0x170 [ 6891.638170][ T74] do_syscall_64+0xc6/0x1e0 [ 6891.638170][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6891.638170][ T74] [ 6891.640152][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6891.640152][ T74] netdev_get_by_index+0x5e/0x80 [ 6891.640152][ T74] fib6_nh_init+0x3d8/0x1580 [ 6891.640152][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6891.640152][ T74] ip6_route_add+0x1c/0x140 [ 6891.640152][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6891.640152][ T74] addrconf_add_dev+0xe2/0x170 [ 6891.640152][ T74] inet6_addr_add+0x12f/0xa40 [ 6891.640152][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6891.640152][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6891.640152][ T74] netlink_rcv_skb+0x130/0x360 [ 6891.640152][ T74] netlink_unicast+0x449/0x710 [ 6891.640152][ T74] netlink_sendmsg+0x723/0xbe0 [ 6891.640152][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6891.640152][ T74] ___sys_sendmsg+0xee/0x170 [ 6891.640152][ T74] __sys_sendmsg+0xcd/0x170 [ 6891.640152][ T74] do_syscall_64+0xc6/0x1e0 [ 6891.640152][ T74] [ 6891.642104][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6891.642104][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6891.642104][ T74] ipv6_find_idev+0x102/0x170 [ 6891.642104][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6891.642104][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6891.642104][ T74] netlink_rcv_skb+0x130/0x360 [ 6891.642104][ T74] netlink_unicast+0x449/0x710 [ 6891.642104][ T74] netlink_sendmsg+0x723/0xbe0 [ 6891.642104][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6891.642104][ T74] ___sys_sendmsg+0xee/0x170 [ 6891.642104][ T74] __sys_sendmsg+0xcd/0x170 [ 6891.642104][ T74] do_syscall_64+0xc6/0x1e0 [ 6891.642104][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6891.642104][ T74] [ 6891.643631][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6891.643631][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6891.643631][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6891.643631][ T74] ipv6_find_idev+0x102/0x170 [ 6891.643631][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6891.643631][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6891.643631][ T74] netlink_rcv_skb+0x130/0x360 [ 6891.643631][ T74] netlink_unicast+0x449/0x710 [ 6891.643631][ T74] netlink_sendmsg+0x723/0xbe0 [ 6891.643631][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6891.643631][ T74] ___sys_sendmsg+0xee/0x170 [ 6891.643631][ T74] __sys_sendmsg+0xcd/0x170 [ 6891.643631][ T74] do_syscall_64+0xc6/0x1e0 [ 6891.643631][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6891.643631][ T74] [ 6891.645312][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6891.645586][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6891.645586][ T74] dst_init+0x84/0x4a0 [ 6891.645586][ T74] dst_alloc+0x97/0x150 [ 6891.645586][ T74] ip6_dst_alloc+0x23/0x90 [ 6891.645586][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6891.645586][ T74] ip6_pol_route+0x56f/0x840 [ 6891.645586][ T74] fib6_rule_lookup+0x456/0x630 [ 6891.645586][ T74] ip6_route_input+0x59c/0xa50 [ 6891.645586][ T74] ipv6_rcv+0x397/0x810 [ 6891.645586][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6891.645586][ T74] process_backlog+0x101/0x620 [ 6891.645586][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6891.645586][ T74] net_rx_action+0x495/0xbe0 [ 6891.645586][ T74] __do_softirq+0x1b5/0x7f6 [ 6891.645586][ T74] [ 6891.647216][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6891.647216][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6891.647216][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6891.647216][ T74] fib6_nh_init+0xa22/0x1580 [ 6891.647216][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6891.647216][ T74] ip6_route_add+0x1c/0x140 [ 6891.647216][ T74] inet6_rtm_newroute+0x104/0x110 [ 6891.647216][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6891.647216][ T74] netlink_rcv_skb+0x130/0x360 [ 6891.647216][ T74] netlink_unicast+0x449/0x710 [ 6891.647216][ T74] netlink_sendmsg+0x723/0xbe0 [ 6891.647216][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6891.647216][ T74] ___sys_sendmsg+0xee/0x170 [ 6891.647216][ T74] __sys_sendmsg+0xcd/0x170 [ 6891.647216][ T74] do_syscall_64+0xc6/0x1e0 [ 6891.647216][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6891.647216][ T74] [ 6891.649078][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6891.649078][ T74] netdev_get_by_index+0x5e/0x80 [ 6891.649078][ T74] fib6_nh_init+0x3d8/0x1580 [ 6891.649078][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6891.649078][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6891.649078][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6891.649078][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6891.649078][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6891.649078][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6891.649078][ T74] addrconf_dad_begin+0x310/0x670 [ 6891.649078][ T74] addrconf_dad_work+0x10b/0xab0 [ 6891.649078][ T74] process_one_work+0x84d/0x18a0 [ 6891.649078][ T74] worker_thread+0x587/0xd30 [ 6891.649078][ T74] kthread+0x28a/0x350 [ 6891.649078][ T74] ret_from_fork+0x31/0x70 [ 6891.649078][ T74] ret_from_fork_asm+0x1a/0x30 [ 6891.649078][ T74] [ 6891.650989][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6891.650989][ T74] netdev_get_by_index+0x5e/0x80 [ 6891.650989][ T74] fib6_nh_init+0x3d8/0x1580 [ 6891.650989][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6891.650989][ T74] ip6_route_add+0x1c/0x140 [ 6891.650989][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6891.650989][ T74] inet6_addr_add+0x4f8/0xa40 [ 6891.650989][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6891.650989][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6891.650989][ T74] netlink_rcv_skb+0x130/0x360 [ 6891.650989][ T74] netlink_unicast+0x449/0x710 [ 6891.650989][ T74] netlink_sendmsg+0x723/0xbe0 [ 6891.650989][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6891.650989][ T74] ___sys_sendmsg+0xee/0x170 [ 6891.650989][ T74] __sys_sendmsg+0xcd/0x170 [ 6891.650989][ T74] do_syscall_64+0xc6/0x1e0 [ 6891.650989][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6891.650989][ T74] [ 6891.652992][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6891.652992][ T74] netdev_get_by_index+0x5e/0x80 [ 6891.652992][ T74] fib6_nh_init+0x3d8/0x1580 [ 6891.652992][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6891.652992][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6891.652992][ T74] ipv6_add_addr+0x411/0x2000 [ 6891.652992][ T74] inet6_addr_add+0x30e/0xa40 [ 6891.652992][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6891.652992][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6891.652992][ T74] netlink_rcv_skb+0x130/0x360 [ 6891.652992][ T74] netlink_unicast+0x449/0x710 [ 6891.652992][ T74] netlink_sendmsg+0x723/0xbe0 [ 6891.652992][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6891.652992][ T74] ___sys_sendmsg+0xee/0x170 [ 6891.652992][ T74] __sys_sendmsg+0xcd/0x170 [ 6891.652992][ T74] do_syscall_64+0xc6/0x1e0 [ 6891.652992][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6891.652992][ T74] [ 6891.654981][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6891.654981][ T74] netdev_get_by_index+0x5e/0x80 [ 6891.654981][ T74] fib6_nh_init+0x3d8/0x1580 [ 6891.654981][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6891.654981][ T74] ip6_route_add+0x1c/0x140 [ 6891.654981][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6891.654981][ T74] addrconf_add_dev+0xe2/0x170 [ 6891.654981][ T74] inet6_addr_add+0x12f/0xa40 [ 6891.654981][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6891.654981][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6891.654981][ T74] netlink_rcv_skb+0x130/0x360 [ 6891.654981][ T74] netlink_unicast+0x449/0x710 [ 6891.654981][ T74] netlink_sendmsg+0x723/0xbe0 [ 6891.654981][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6891.654981][ T74] ___sys_sendmsg+0xee/0x170 [ 6891.654981][ T74] __sys_sendmsg+0xcd/0x170 [ 6891.654981][ T74] do_syscall_64+0xc6/0x1e0 [ 6891.654981][ T74] [ 6891.656940][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6891.656940][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6891.656940][ T74] ipv6_find_idev+0x102/0x170 [ 6891.656940][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6891.656940][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6891.656940][ T74] netlink_rcv_skb+0x130/0x360 [ 6891.656940][ T74] netlink_unicast+0x449/0x710 [ 6891.656940][ T74] netlink_sendmsg+0x723/0xbe0 [ 6891.656940][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6891.656940][ T74] ___sys_sendmsg+0xee/0x170 [ 6891.656940][ T74] __sys_sendmsg+0xcd/0x170 [ 6891.656940][ T74] do_syscall_64+0xc6/0x1e0 [ 6891.656940][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6891.656940][ T74] [ 6891.658595][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6891.658595][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6891.658595][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6891.658595][ T74] ipv6_find_idev+0x102/0x170 [ 6891.658595][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6891.658595][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6891.658595][ T74] netlink_rcv_skb+0x130/0x360 [ 6891.658595][ T74] netlink_unicast+0x449/0x710 [ 6891.658595][ T74] netlink_sendmsg+0x723/0xbe0 [ 6891.658595][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6891.658595][ T74] ___sys_sendmsg+0xee/0x170 [ 6891.658595][ T74] __sys_sendmsg+0xcd/0x170 [ 6891.658595][ T74] do_syscall_64+0xc6/0x1e0 [ 6891.658595][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6891.658595][ T74] [ 6891.660506][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6891.660744][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6891.660744][ T74] netdev_get_by_index+0x5e/0x80 [ 6891.660744][ T74] fib6_nh_init+0x3d8/0x1580 [ 6891.660744][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6891.660744][ T74] ip6_route_add+0x1c/0x140 [ 6891.660744][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6891.660744][ T74] inet6_addr_add+0x4f8/0xa40 [ 6891.660744][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6891.660744][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6891.660744][ T74] netlink_rcv_skb+0x130/0x360 [ 6891.660744][ T74] netlink_unicast+0x449/0x710 [ 6891.660744][ T74] netlink_sendmsg+0x723/0xbe0 [ 6891.660744][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6891.660744][ T74] ___sys_sendmsg+0xee/0x170 [ 6891.660744][ T74] __sys_sendmsg+0xcd/0x170 [ 6891.660744][ T74] do_syscall_64+0xc6/0x1e0 [ 6891.660744][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6891.660744][ T74] [ 6891.662978][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6891.662978][ T74] netdev_get_by_index+0x5e/0x80 [ 6891.662978][ T74] fib6_nh_init+0x3d8/0x1580 [ 6891.662978][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6891.662978][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6891.662978][ T74] ipv6_add_addr+0x411/0x2000 [ 6891.662978][ T74] inet6_addr_add+0x30e/0xa40 [ 6891.662978][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6891.662978][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6891.662978][ T74] netlink_rcv_skb+0x130/0x360 [ 6891.662978][ T74] netlink_unicast+0x449/0x710 [ 6891.662978][ T74] netlink_sendmsg+0x723/0xbe0 [ 6891.662978][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6891.662978][ T74] ___sys_sendmsg+0xee/0x170 [ 6891.662978][ T74] __sys_sendmsg+0xcd/0x170 [ 6891.662978][ T74] do_syscall_64+0xc6/0x1e0 [ 6891.662978][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6891.662978][ T74] [ 6891.665196][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6891.665196][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6891.665196][ T74] ipv6_find_idev+0x102/0x170 [ 6891.665196][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6891.665196][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6891.665196][ T74] netlink_rcv_skb+0x130/0x360 [ 6891.665196][ T74] netlink_unicast+0x449/0x710 [ 6891.665196][ T74] netlink_sendmsg+0x723/0xbe0 [ 6891.665196][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6891.665196][ T74] ___sys_sendmsg+0xee/0x170 [ 6891.665196][ T74] __sys_sendmsg+0xcd/0x170 [ 6891.665196][ T74] do_syscall_64+0xc6/0x1e0 [ 6891.665196][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6891.665196][ T74] [ 6891.666971][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6891.666971][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6891.666971][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6891.666971][ T74] ipv6_find_idev+0x102/0x170 [ 6891.666971][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6891.666971][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6891.666971][ T74] netlink_rcv_skb+0x130/0x360 [ 6891.666971][ T74] netlink_unicast+0x449/0x710 [ 6891.666971][ T74] netlink_sendmsg+0x723/0xbe0 [ 6891.666971][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6891.666971][ T74] ___sys_sendmsg+0xee/0x170 [ 6891.666971][ T74] __sys_sendmsg+0xcd/0x170 [ 6891.666971][ T74] do_syscall_64+0xc6/0x1e0 [ 6891.666971][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6891.666971][ T74] [ 6901.904021][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6901.904455][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6901.904455][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6901.904455][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6901.904455][ T74] fib6_nh_init+0xa22/0x1580 [ 6901.904455][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6901.904455][ T74] ip6_route_add+0x1c/0x140 [ 6901.904455][ T74] inet6_rtm_newroute+0x104/0x110 [ 6901.904455][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6901.904455][ T74] netlink_rcv_skb+0x130/0x360 [ 6901.904455][ T74] netlink_unicast+0x449/0x710 [ 6901.904455][ T74] netlink_sendmsg+0x723/0xbe0 [ 6901.904455][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6901.904455][ T74] ___sys_sendmsg+0xee/0x170 [ 6901.904455][ T74] __sys_sendmsg+0xcd/0x170 [ 6901.904455][ T74] do_syscall_64+0xc6/0x1e0 [ 6901.904455][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6901.904455][ T74] [ 6901.906388][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6901.906388][ T74] netdev_get_by_index+0x5e/0x80 [ 6901.906388][ T74] fib6_nh_init+0x3d8/0x1580 [ 6901.906388][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6901.906388][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6901.906388][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6901.906388][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6901.906388][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6901.906388][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6901.906388][ T74] addrconf_dad_begin+0x310/0x670 [ 6901.906388][ T74] addrconf_dad_work+0x10b/0xab0 [ 6901.906388][ T74] process_one_work+0x84d/0x18a0 [ 6901.906388][ T74] worker_thread+0x587/0xd30 [ 6901.906388][ T74] kthread+0x28a/0x350 [ 6901.906388][ T74] ret_from_fork+0x31/0x70 [ 6901.906388][ T74] ret_from_fork_asm+0x1a/0x30 [ 6901.906388][ T74] [ 6901.908323][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6901.908323][ T74] netdev_get_by_index+0x5e/0x80 [ 6901.908323][ T74] fib6_nh_init+0x3d8/0x1580 [ 6901.908323][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6901.908323][ T74] ip6_route_add+0x1c/0x140 [ 6901.908323][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6901.908323][ T74] inet6_addr_add+0x4f8/0xa40 [ 6901.908323][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6901.908323][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6901.908323][ T74] netlink_rcv_skb+0x130/0x360 [ 6901.908323][ T74] netlink_unicast+0x449/0x710 [ 6901.908323][ T74] netlink_sendmsg+0x723/0xbe0 [ 6901.908323][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6901.908323][ T74] ___sys_sendmsg+0xee/0x170 [ 6901.908323][ T74] __sys_sendmsg+0xcd/0x170 [ 6901.908323][ T74] do_syscall_64+0xc6/0x1e0 [ 6901.908323][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6901.908323][ T74] [ 6901.910344][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6901.910344][ T74] netdev_get_by_index+0x5e/0x80 [ 6901.910344][ T74] fib6_nh_init+0x3d8/0x1580 [ 6901.910344][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6901.910344][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6901.910344][ T74] ipv6_add_addr+0x411/0x2000 [ 6901.910344][ T74] inet6_addr_add+0x30e/0xa40 [ 6901.910344][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6901.910344][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6901.910344][ T74] netlink_rcv_skb+0x130/0x360 [ 6901.910344][ T74] netlink_unicast+0x449/0x710 [ 6901.910344][ T74] netlink_sendmsg+0x723/0xbe0 [ 6901.910344][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6901.910344][ T74] ___sys_sendmsg+0xee/0x170 [ 6901.910344][ T74] __sys_sendmsg+0xcd/0x170 [ 6901.910344][ T74] do_syscall_64+0xc6/0x1e0 [ 6901.910344][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6901.910344][ T74] [ 6901.912358][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6901.912358][ T74] netdev_get_by_index+0x5e/0x80 [ 6901.912358][ T74] fib6_nh_init+0x3d8/0x1580 [ 6901.912358][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6901.912358][ T74] ip6_route_add+0x1c/0x140 [ 6901.912358][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6901.912358][ T74] addrconf_add_dev+0xe2/0x170 [ 6901.912358][ T74] inet6_addr_add+0x12f/0xa40 [ 6901.912358][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6901.912358][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6901.912358][ T74] netlink_rcv_skb+0x130/0x360 [ 6901.912358][ T74] netlink_unicast+0x449/0x710 [ 6901.912358][ T74] netlink_sendmsg+0x723/0xbe0 [ 6901.912358][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6901.912358][ T74] ___sys_sendmsg+0xee/0x170 [ 6901.912358][ T74] __sys_sendmsg+0xcd/0x170 [ 6901.912358][ T74] do_syscall_64+0xc6/0x1e0 [ 6901.912358][ T74] [ 6901.914339][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6901.914339][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6901.914339][ T74] ipv6_find_idev+0x102/0x170 [ 6901.914339][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6901.914339][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6901.914339][ T74] netlink_rcv_skb+0x130/0x360 [ 6901.914339][ T74] netlink_unicast+0x449/0x710 [ 6901.914339][ T74] netlink_sendmsg+0x723/0xbe0 [ 6901.914339][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6901.914339][ T74] ___sys_sendmsg+0xee/0x170 [ 6901.914339][ T74] __sys_sendmsg+0xcd/0x170 [ 6901.914339][ T74] do_syscall_64+0xc6/0x1e0 [ 6901.914339][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6901.914339][ T74] [ 6901.915898][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6901.915898][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6901.915898][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6901.915898][ T74] ipv6_find_idev+0x102/0x170 [ 6901.915898][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6901.915898][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6901.915898][ T74] netlink_rcv_skb+0x130/0x360 [ 6901.915898][ T74] netlink_unicast+0x449/0x710 [ 6901.915898][ T74] netlink_sendmsg+0x723/0xbe0 [ 6901.915898][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6901.915898][ T74] ___sys_sendmsg+0xee/0x170 [ 6901.915898][ T74] __sys_sendmsg+0xcd/0x170 [ 6901.915898][ T74] do_syscall_64+0xc6/0x1e0 [ 6901.915898][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6901.915898][ T74] [ 6901.917619][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6901.917898][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6901.917898][ T74] dst_init+0x84/0x4a0 [ 6901.917898][ T74] dst_alloc+0x97/0x150 [ 6901.917898][ T74] ip6_dst_alloc+0x23/0x90 [ 6901.917898][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6901.917898][ T74] ip6_pol_route+0x56f/0x840 [ 6901.917898][ T74] fib6_rule_lookup+0x456/0x630 [ 6901.917898][ T74] ip6_route_input+0x59c/0xa50 [ 6901.917898][ T74] ipv6_rcv+0x397/0x810 [ 6901.917898][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6901.917898][ T74] process_backlog+0x101/0x620 [ 6901.917898][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6901.917898][ T74] net_rx_action+0x495/0xbe0 [ 6901.917898][ T74] __do_softirq+0x1b5/0x7f6 [ 6901.917898][ T74] [ 6901.919551][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6901.919551][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6901.919551][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6901.919551][ T74] fib6_nh_init+0xa22/0x1580 [ 6901.919551][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6901.919551][ T74] ip6_route_add+0x1c/0x140 [ 6901.919551][ T74] inet6_rtm_newroute+0x104/0x110 [ 6901.919551][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6901.919551][ T74] netlink_rcv_skb+0x130/0x360 [ 6901.919551][ T74] netlink_unicast+0x449/0x710 [ 6901.919551][ T74] netlink_sendmsg+0x723/0xbe0 [ 6901.919551][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6901.919551][ T74] ___sys_sendmsg+0xee/0x170 [ 6901.919551][ T74] __sys_sendmsg+0xcd/0x170 [ 6901.919551][ T74] do_syscall_64+0xc6/0x1e0 [ 6901.919551][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6901.919551][ T74] [ 6901.921458][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6901.921458][ T74] netdev_get_by_index+0x5e/0x80 [ 6901.921458][ T74] fib6_nh_init+0x3d8/0x1580 [ 6901.921458][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6901.921458][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6901.921458][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6901.921458][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6901.921458][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6901.921458][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6901.921458][ T74] addrconf_dad_begin+0x310/0x670 [ 6901.921458][ T74] addrconf_dad_work+0x10b/0xab0 [ 6901.921458][ T74] process_one_work+0x84d/0x18a0 [ 6901.921458][ T74] worker_thread+0x587/0xd30 [ 6901.921458][ T74] kthread+0x28a/0x350 [ 6901.921458][ T74] ret_from_fork+0x31/0x70 [ 6901.921458][ T74] ret_from_fork_asm+0x1a/0x30 [ 6901.921458][ T74] [ 6901.923377][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6901.923377][ T74] netdev_get_by_index+0x5e/0x80 [ 6901.923377][ T74] fib6_nh_init+0x3d8/0x1580 [ 6901.923377][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6901.923377][ T74] ip6_route_add+0x1c/0x140 [ 6901.923377][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6901.923377][ T74] inet6_addr_add+0x4f8/0xa40 [ 6901.923377][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6901.923377][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6901.923377][ T74] netlink_rcv_skb+0x130/0x360 [ 6901.923377][ T74] netlink_unicast+0x449/0x710 [ 6901.923377][ T74] netlink_sendmsg+0x723/0xbe0 [ 6901.923377][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6901.923377][ T74] ___sys_sendmsg+0xee/0x170 [ 6901.923377][ T74] __sys_sendmsg+0xcd/0x170 [ 6901.923377][ T74] do_syscall_64+0xc6/0x1e0 [ 6901.923377][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6901.923377][ T74] [ 6901.925388][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6901.925388][ T74] netdev_get_by_index+0x5e/0x80 [ 6901.925388][ T74] fib6_nh_init+0x3d8/0x1580 [ 6901.925388][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6901.925388][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6901.925388][ T74] ipv6_add_addr+0x411/0x2000 [ 6901.925388][ T74] inet6_addr_add+0x30e/0xa40 [ 6901.925388][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6901.925388][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6901.925388][ T74] netlink_rcv_skb+0x130/0x360 [ 6901.925388][ T74] netlink_unicast+0x449/0x710 [ 6901.925388][ T74] netlink_sendmsg+0x723/0xbe0 [ 6901.925388][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6901.925388][ T74] ___sys_sendmsg+0xee/0x170 [ 6901.925388][ T74] __sys_sendmsg+0xcd/0x170 [ 6901.925388][ T74] do_syscall_64+0xc6/0x1e0 [ 6901.925388][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6901.925388][ T74] [ 6901.927413][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6901.927413][ T74] netdev_get_by_index+0x5e/0x80 [ 6901.927413][ T74] fib6_nh_init+0x3d8/0x1580 [ 6901.927413][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6901.927413][ T74] ip6_route_add+0x1c/0x140 [ 6901.927413][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6901.927413][ T74] addrconf_add_dev+0xe2/0x170 [ 6901.927413][ T74] inet6_addr_add+0x12f/0xa40 [ 6901.927413][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6901.927413][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6901.927413][ T74] netlink_rcv_skb+0x130/0x360 [ 6901.927413][ T74] netlink_unicast+0x449/0x710 [ 6901.927413][ T74] netlink_sendmsg+0x723/0xbe0 [ 6901.927413][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6901.927413][ T74] ___sys_sendmsg+0xee/0x170 [ 6901.927413][ T74] __sys_sendmsg+0xcd/0x170 [ 6901.927413][ T74] do_syscall_64+0xc6/0x1e0 [ 6901.927413][ T74] [ 6901.929404][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6901.929404][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6901.929404][ T74] ipv6_find_idev+0x102/0x170 [ 6901.929404][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6901.929404][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6901.929404][ T74] netlink_rcv_skb+0x130/0x360 [ 6901.929404][ T74] netlink_unicast+0x449/0x710 [ 6901.929404][ T74] netlink_sendmsg+0x723/0xbe0 [ 6901.929404][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6901.929404][ T74] ___sys_sendmsg+0xee/0x170 [ 6901.929404][ T74] __sys_sendmsg+0xcd/0x170 [ 6901.929404][ T74] do_syscall_64+0xc6/0x1e0 [ 6901.929404][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6901.929404][ T74] [ 6901.931090][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6901.931090][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6901.931090][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6901.931090][ T74] ipv6_find_idev+0x102/0x170 [ 6901.931090][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6901.931090][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6901.931090][ T74] netlink_rcv_skb+0x130/0x360 [ 6901.931090][ T74] netlink_unicast+0x449/0x710 [ 6901.931090][ T74] netlink_sendmsg+0x723/0xbe0 [ 6901.931090][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6901.931090][ T74] ___sys_sendmsg+0xee/0x170 [ 6901.931090][ T74] __sys_sendmsg+0xcd/0x170 [ 6901.931090][ T74] do_syscall_64+0xc6/0x1e0 [ 6901.931090][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6901.931090][ T74] [ 6901.933043][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6901.933357][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6901.933357][ T74] netdev_get_by_index+0x5e/0x80 [ 6901.933357][ T74] fib6_nh_init+0x3d8/0x1580 [ 6901.933357][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6901.933357][ T74] ip6_route_add+0x1c/0x140 [ 6901.933357][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6901.933357][ T74] inet6_addr_add+0x4f8/0xa40 [ 6901.933357][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6901.933357][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6901.933357][ T74] netlink_rcv_skb+0x130/0x360 [ 6901.933357][ T74] netlink_unicast+0x449/0x710 [ 6901.933357][ T74] netlink_sendmsg+0x723/0xbe0 [ 6901.933357][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6901.933357][ T74] ___sys_sendmsg+0xee/0x170 [ 6901.933357][ T74] __sys_sendmsg+0xcd/0x170 [ 6901.933357][ T74] do_syscall_64+0xc6/0x1e0 [ 6901.933357][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6901.933357][ T74] [ 6901.935550][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6901.935550][ T74] netdev_get_by_index+0x5e/0x80 [ 6901.935550][ T74] fib6_nh_init+0x3d8/0x1580 [ 6901.935550][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6901.935550][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6901.935550][ T74] ipv6_add_addr+0x411/0x2000 [ 6901.935550][ T74] inet6_addr_add+0x30e/0xa40 [ 6901.935550][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6901.935550][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6901.935550][ T74] netlink_rcv_skb+0x130/0x360 [ 6901.935550][ T74] netlink_unicast+0x449/0x710 [ 6901.935550][ T74] netlink_sendmsg+0x723/0xbe0 [ 6901.935550][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6901.935550][ T74] ___sys_sendmsg+0xee/0x170 [ 6901.935550][ T74] __sys_sendmsg+0xcd/0x170 [ 6901.935550][ T74] do_syscall_64+0xc6/0x1e0 [ 6901.935550][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6901.935550][ T74] [ 6901.937808][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6901.937808][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6901.937808][ T74] ipv6_find_idev+0x102/0x170 [ 6901.937808][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6901.937808][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6901.937808][ T74] netlink_rcv_skb+0x130/0x360 [ 6901.937808][ T74] netlink_unicast+0x449/0x710 [ 6901.937808][ T74] netlink_sendmsg+0x723/0xbe0 [ 6901.937808][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6901.937808][ T74] ___sys_sendmsg+0xee/0x170 [ 6901.937808][ T74] __sys_sendmsg+0xcd/0x170 [ 6901.937808][ T74] do_syscall_64+0xc6/0x1e0 [ 6901.937808][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6901.937808][ T74] [ 6901.939544][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6901.939544][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6901.939544][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6901.939544][ T74] ipv6_find_idev+0x102/0x170 [ 6901.939544][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6901.939544][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6901.939544][ T74] netlink_rcv_skb+0x130/0x360 [ 6901.939544][ T74] netlink_unicast+0x449/0x710 [ 6901.939544][ T74] netlink_sendmsg+0x723/0xbe0 [ 6901.939544][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6901.939544][ T74] ___sys_sendmsg+0xee/0x170 [ 6901.939544][ T74] __sys_sendmsg+0xcd/0x170 [ 6901.939544][ T74] do_syscall_64+0xc6/0x1e0 [ 6901.939544][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6901.939544][ T74] [ 6912.183982][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6912.184412][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6912.184412][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6912.184412][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6912.184412][ T74] fib6_nh_init+0xa22/0x1580 [ 6912.184412][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6912.184412][ T74] ip6_route_add+0x1c/0x140 [ 6912.184412][ T74] inet6_rtm_newroute+0x104/0x110 [ 6912.184412][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6912.184412][ T74] netlink_rcv_skb+0x130/0x360 [ 6912.184412][ T74] netlink_unicast+0x449/0x710 [ 6912.184412][ T74] netlink_sendmsg+0x723/0xbe0 [ 6912.184412][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6912.184412][ T74] ___sys_sendmsg+0xee/0x170 [ 6912.184412][ T74] __sys_sendmsg+0xcd/0x170 [ 6912.184412][ T74] do_syscall_64+0xc6/0x1e0 [ 6912.184412][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6912.184412][ T74] [ 6912.186339][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6912.186339][ T74] netdev_get_by_index+0x5e/0x80 [ 6912.186339][ T74] fib6_nh_init+0x3d8/0x1580 [ 6912.186339][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6912.186339][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6912.186339][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6912.186339][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6912.186339][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6912.186339][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6912.186339][ T74] addrconf_dad_begin+0x310/0x670 [ 6912.186339][ T74] addrconf_dad_work+0x10b/0xab0 [ 6912.186339][ T74] process_one_work+0x84d/0x18a0 [ 6912.186339][ T74] worker_thread+0x587/0xd30 [ 6912.186339][ T74] kthread+0x28a/0x350 [ 6912.186339][ T74] ret_from_fork+0x31/0x70 [ 6912.186339][ T74] ret_from_fork_asm+0x1a/0x30 [ 6912.186339][ T74] [ 6912.188273][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6912.188273][ T74] netdev_get_by_index+0x5e/0x80 [ 6912.188273][ T74] fib6_nh_init+0x3d8/0x1580 [ 6912.188273][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6912.188273][ T74] ip6_route_add+0x1c/0x140 [ 6912.188273][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6912.188273][ T74] inet6_addr_add+0x4f8/0xa40 [ 6912.188273][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6912.188273][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6912.188273][ T74] netlink_rcv_skb+0x130/0x360 [ 6912.188273][ T74] netlink_unicast+0x449/0x710 [ 6912.188273][ T74] netlink_sendmsg+0x723/0xbe0 [ 6912.188273][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6912.188273][ T74] ___sys_sendmsg+0xee/0x170 [ 6912.188273][ T74] __sys_sendmsg+0xcd/0x170 [ 6912.188273][ T74] do_syscall_64+0xc6/0x1e0 [ 6912.188273][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6912.188273][ T74] [ 6912.190293][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6912.190293][ T74] netdev_get_by_index+0x5e/0x80 [ 6912.190293][ T74] fib6_nh_init+0x3d8/0x1580 [ 6912.190293][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6912.190293][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6912.190293][ T74] ipv6_add_addr+0x411/0x2000 [ 6912.190293][ T74] inet6_addr_add+0x30e/0xa40 [ 6912.190293][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6912.190293][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6912.190293][ T74] netlink_rcv_skb+0x130/0x360 [ 6912.190293][ T74] netlink_unicast+0x449/0x710 [ 6912.190293][ T74] netlink_sendmsg+0x723/0xbe0 [ 6912.190293][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6912.190293][ T74] ___sys_sendmsg+0xee/0x170 [ 6912.190293][ T74] __sys_sendmsg+0xcd/0x170 [ 6912.190293][ T74] do_syscall_64+0xc6/0x1e0 [ 6912.190293][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6912.190293][ T74] [ 6912.192305][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6912.192305][ T74] netdev_get_by_index+0x5e/0x80 [ 6912.192305][ T74] fib6_nh_init+0x3d8/0x1580 [ 6912.192305][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6912.192305][ T74] ip6_route_add+0x1c/0x140 [ 6912.192305][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6912.192305][ T74] addrconf_add_dev+0xe2/0x170 [ 6912.192305][ T74] inet6_addr_add+0x12f/0xa40 [ 6912.192305][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6912.192305][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6912.192305][ T74] netlink_rcv_skb+0x130/0x360 [ 6912.192305][ T74] netlink_unicast+0x449/0x710 [ 6912.192305][ T74] netlink_sendmsg+0x723/0xbe0 [ 6912.192305][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6912.192305][ T74] ___sys_sendmsg+0xee/0x170 [ 6912.192305][ T74] __sys_sendmsg+0xcd/0x170 [ 6912.192305][ T74] do_syscall_64+0xc6/0x1e0 [ 6912.192305][ T74] [ 6912.194285][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6912.194285][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6912.194285][ T74] ipv6_find_idev+0x102/0x170 [ 6912.194285][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6912.194285][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6912.194285][ T74] netlink_rcv_skb+0x130/0x360 [ 6912.194285][ T74] netlink_unicast+0x449/0x710 [ 6912.194285][ T74] netlink_sendmsg+0x723/0xbe0 [ 6912.194285][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6912.194285][ T74] ___sys_sendmsg+0xee/0x170 [ 6912.194285][ T74] __sys_sendmsg+0xcd/0x170 [ 6912.194285][ T74] do_syscall_64+0xc6/0x1e0 [ 6912.194285][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6912.194285][ T74] [ 6912.195943][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6912.195943][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6912.195943][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6912.195943][ T74] ipv6_find_idev+0x102/0x170 [ 6912.195943][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6912.195943][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6912.195943][ T74] netlink_rcv_skb+0x130/0x360 [ 6912.195943][ T74] netlink_unicast+0x449/0x710 [ 6912.195943][ T74] netlink_sendmsg+0x723/0xbe0 [ 6912.195943][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6912.195943][ T74] ___sys_sendmsg+0xee/0x170 [ 6912.195943][ T74] __sys_sendmsg+0xcd/0x170 [ 6912.195943][ T74] do_syscall_64+0xc6/0x1e0 [ 6912.195943][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6912.195943][ T74] [ 6912.197665][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6912.197952][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6912.197952][ T74] dst_init+0x84/0x4a0 [ 6912.197952][ T74] dst_alloc+0x97/0x150 [ 6912.197952][ T74] ip6_dst_alloc+0x23/0x90 [ 6912.197952][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6912.197952][ T74] ip6_pol_route+0x56f/0x840 [ 6912.197952][ T74] fib6_rule_lookup+0x456/0x630 [ 6912.197952][ T74] ip6_route_input+0x59c/0xa50 [ 6912.197952][ T74] ipv6_rcv+0x397/0x810 [ 6912.197952][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6912.197952][ T74] process_backlog+0x101/0x620 [ 6912.197952][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6912.197952][ T74] net_rx_action+0x495/0xbe0 [ 6912.197952][ T74] __do_softirq+0x1b5/0x7f6 [ 6912.197952][ T74] [ 6912.199603][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6912.199603][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6912.199603][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6912.199603][ T74] fib6_nh_init+0xa22/0x1580 [ 6912.199603][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6912.199603][ T74] ip6_route_add+0x1c/0x140 [ 6912.199603][ T74] inet6_rtm_newroute+0x104/0x110 [ 6912.199603][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6912.199603][ T74] netlink_rcv_skb+0x130/0x360 [ 6912.199603][ T74] netlink_unicast+0x449/0x710 [ 6912.199603][ T74] netlink_sendmsg+0x723/0xbe0 [ 6912.199603][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6912.199603][ T74] ___sys_sendmsg+0xee/0x170 [ 6912.199603][ T74] __sys_sendmsg+0xcd/0x170 [ 6912.199603][ T74] do_syscall_64+0xc6/0x1e0 [ 6912.199603][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6912.199603][ T74] [ 6912.201493][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6912.201493][ T74] netdev_get_by_index+0x5e/0x80 [ 6912.201493][ T74] fib6_nh_init+0x3d8/0x1580 [ 6912.201493][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6912.201493][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6912.201493][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6912.201493][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6912.201493][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6912.201493][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6912.201493][ T74] addrconf_dad_begin+0x310/0x670 [ 6912.201493][ T74] addrconf_dad_work+0x10b/0xab0 [ 6912.201493][ T74] process_one_work+0x84d/0x18a0 [ 6912.201493][ T74] worker_thread+0x587/0xd30 [ 6912.201493][ T74] kthread+0x28a/0x350 [ 6912.201493][ T74] ret_from_fork+0x31/0x70 [ 6912.201493][ T74] ret_from_fork_asm+0x1a/0x30 [ 6912.201493][ T74] [ 6912.203939][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6912.203939][ T74] netdev_get_by_index+0x5e/0x80 [ 6912.203939][ T74] fib6_nh_init+0x3d8/0x1580 [ 6912.203939][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6912.203939][ T74] ip6_route_add+0x1c/0x140 [ 6912.203939][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6912.203939][ T74] inet6_addr_add+0x4f8/0xa40 [ 6912.203939][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6912.203939][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6912.203939][ T74] netlink_rcv_skb+0x130/0x360 [ 6912.203939][ T74] netlink_unicast+0x449/0x710 [ 6912.203939][ T74] netlink_sendmsg+0x723/0xbe0 [ 6912.203939][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6912.203939][ T74] ___sys_sendmsg+0xee/0x170 [ 6912.203939][ T74] __sys_sendmsg+0xcd/0x170 [ 6912.203939][ T74] do_syscall_64+0xc6/0x1e0 [ 6912.203939][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6912.203939][ T74] [ 6912.205948][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6912.205948][ T74] netdev_get_by_index+0x5e/0x80 [ 6912.205948][ T74] fib6_nh_init+0x3d8/0x1580 [ 6912.205948][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6912.205948][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6912.205948][ T74] ipv6_add_addr+0x411/0x2000 [ 6912.205948][ T74] inet6_addr_add+0x30e/0xa40 [ 6912.205948][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6912.205948][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6912.205948][ T74] netlink_rcv_skb+0x130/0x360 [ 6912.205948][ T74] netlink_unicast+0x449/0x710 [ 6912.205948][ T74] netlink_sendmsg+0x723/0xbe0 [ 6912.205948][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6912.205948][ T74] ___sys_sendmsg+0xee/0x170 [ 6912.205948][ T74] __sys_sendmsg+0xcd/0x170 [ 6912.205948][ T74] do_syscall_64+0xc6/0x1e0 [ 6912.205948][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6912.205948][ T74] [ 6912.207965][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6912.207965][ T74] netdev_get_by_index+0x5e/0x80 [ 6912.207965][ T74] fib6_nh_init+0x3d8/0x1580 [ 6912.207965][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6912.207965][ T74] ip6_route_add+0x1c/0x140 [ 6912.207965][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6912.207965][ T74] addrconf_add_dev+0xe2/0x170 [ 6912.207965][ T74] inet6_addr_add+0x12f/0xa40 [ 6912.207965][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6912.207965][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6912.207965][ T74] netlink_rcv_skb+0x130/0x360 [ 6912.207965][ T74] netlink_unicast+0x449/0x710 [ 6912.207965][ T74] netlink_sendmsg+0x723/0xbe0 [ 6912.207965][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6912.207965][ T74] ___sys_sendmsg+0xee/0x170 [ 6912.207965][ T74] __sys_sendmsg+0xcd/0x170 [ 6912.207965][ T74] do_syscall_64+0xc6/0x1e0 [ 6912.207965][ T74] [ 6912.209942][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6912.209942][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6912.209942][ T74] ipv6_find_idev+0x102/0x170 [ 6912.209942][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6912.209942][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6912.209942][ T74] netlink_rcv_skb+0x130/0x360 [ 6912.209942][ T74] netlink_unicast+0x449/0x710 [ 6912.209942][ T74] netlink_sendmsg+0x723/0xbe0 [ 6912.209942][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6912.209942][ T74] ___sys_sendmsg+0xee/0x170 [ 6912.209942][ T74] __sys_sendmsg+0xcd/0x170 [ 6912.209942][ T74] do_syscall_64+0xc6/0x1e0 [ 6912.209942][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6912.209942][ T74] [ 6912.211719][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6912.211719][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6912.211719][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6912.211719][ T74] ipv6_find_idev+0x102/0x170 [ 6912.211719][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6912.211719][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6912.211719][ T74] netlink_rcv_skb+0x130/0x360 [ 6912.211719][ T74] netlink_unicast+0x449/0x710 [ 6912.211719][ T74] netlink_sendmsg+0x723/0xbe0 [ 6912.211719][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6912.211719][ T74] ___sys_sendmsg+0xee/0x170 [ 6912.211719][ T74] __sys_sendmsg+0xcd/0x170 [ 6912.211719][ T74] do_syscall_64+0xc6/0x1e0 [ 6912.211719][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6912.211719][ T74] [ 6912.213675][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6912.213987][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6912.213987][ T74] netdev_get_by_index+0x5e/0x80 [ 6912.213987][ T74] fib6_nh_init+0x3d8/0x1580 [ 6912.213987][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6912.213987][ T74] ip6_route_add+0x1c/0x140 [ 6912.213987][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6912.213987][ T74] inet6_addr_add+0x4f8/0xa40 [ 6912.213987][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6912.213987][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6912.213987][ T74] netlink_rcv_skb+0x130/0x360 [ 6912.213987][ T74] netlink_unicast+0x449/0x710 [ 6912.213987][ T74] netlink_sendmsg+0x723/0xbe0 [ 6912.213987][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6912.213987][ T74] ___sys_sendmsg+0xee/0x170 [ 6912.213987][ T74] __sys_sendmsg+0xcd/0x170 [ 6912.213987][ T74] do_syscall_64+0xc6/0x1e0 [ 6912.213987][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6912.213987][ T74] [ 6912.216207][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6912.216207][ T74] netdev_get_by_index+0x5e/0x80 [ 6912.216207][ T74] fib6_nh_init+0x3d8/0x1580 [ 6912.216207][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6912.216207][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6912.216207][ T74] ipv6_add_addr+0x411/0x2000 [ 6912.216207][ T74] inet6_addr_add+0x30e/0xa40 [ 6912.216207][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6912.216207][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6912.216207][ T74] netlink_rcv_skb+0x130/0x360 [ 6912.216207][ T74] netlink_unicast+0x449/0x710 [ 6912.216207][ T74] netlink_sendmsg+0x723/0xbe0 [ 6912.216207][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6912.216207][ T74] ___sys_sendmsg+0xee/0x170 [ 6912.216207][ T74] __sys_sendmsg+0xcd/0x170 [ 6912.216207][ T74] do_syscall_64+0xc6/0x1e0 [ 6912.216207][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6912.216207][ T74] [ 6912.218466][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6912.218466][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6912.218466][ T74] ipv6_find_idev+0x102/0x170 [ 6912.218466][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6912.218466][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6912.218466][ T74] netlink_rcv_skb+0x130/0x360 [ 6912.218466][ T74] netlink_unicast+0x449/0x710 [ 6912.218466][ T74] netlink_sendmsg+0x723/0xbe0 [ 6912.218466][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6912.218466][ T74] ___sys_sendmsg+0xee/0x170 [ 6912.218466][ T74] __sys_sendmsg+0xcd/0x170 [ 6912.218466][ T74] do_syscall_64+0xc6/0x1e0 [ 6912.218466][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6912.218466][ T74] [ 6912.220200][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6912.220200][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6912.220200][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6912.220200][ T74] ipv6_find_idev+0x102/0x170 [ 6912.220200][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6912.220200][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6912.220200][ T74] netlink_rcv_skb+0x130/0x360 [ 6912.220200][ T74] netlink_unicast+0x449/0x710 [ 6912.220200][ T74] netlink_sendmsg+0x723/0xbe0 [ 6912.220200][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6912.220200][ T74] ___sys_sendmsg+0xee/0x170 [ 6912.220200][ T74] __sys_sendmsg+0xcd/0x170 [ 6912.220200][ T74] do_syscall_64+0xc6/0x1e0 [ 6912.220200][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6912.220200][ T74] [ 6922.463878][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6922.464274][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6922.464274][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6922.464274][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6922.464274][ T74] fib6_nh_init+0xa22/0x1580 [ 6922.464274][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6922.464274][ T74] ip6_route_add+0x1c/0x140 [ 6922.464274][ T74] inet6_rtm_newroute+0x104/0x110 [ 6922.464274][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6922.464274][ T74] netlink_rcv_skb+0x130/0x360 [ 6922.464274][ T74] netlink_unicast+0x449/0x710 [ 6922.464274][ T74] netlink_sendmsg+0x723/0xbe0 [ 6922.464274][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6922.464274][ T74] ___sys_sendmsg+0xee/0x170 [ 6922.464274][ T74] __sys_sendmsg+0xcd/0x170 [ 6922.464274][ T74] do_syscall_64+0xc6/0x1e0 [ 6922.464274][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6922.464274][ T74] [ 6922.466202][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6922.466202][ T74] netdev_get_by_index+0x5e/0x80 [ 6922.466202][ T74] fib6_nh_init+0x3d8/0x1580 [ 6922.466202][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6922.466202][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6922.466202][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6922.466202][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6922.466202][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6922.466202][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6922.466202][ T74] addrconf_dad_begin+0x310/0x670 [ 6922.466202][ T74] addrconf_dad_work+0x10b/0xab0 [ 6922.466202][ T74] process_one_work+0x84d/0x18a0 [ 6922.466202][ T74] worker_thread+0x587/0xd30 [ 6922.466202][ T74] kthread+0x28a/0x350 [ 6922.466202][ T74] ret_from_fork+0x31/0x70 [ 6922.466202][ T74] ret_from_fork_asm+0x1a/0x30 [ 6922.466202][ T74] [ 6922.468152][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6922.468152][ T74] netdev_get_by_index+0x5e/0x80 [ 6922.468152][ T74] fib6_nh_init+0x3d8/0x1580 [ 6922.468152][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6922.468152][ T74] ip6_route_add+0x1c/0x140 [ 6922.468152][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6922.468152][ T74] inet6_addr_add+0x4f8/0xa40 [ 6922.468152][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6922.468152][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6922.468152][ T74] netlink_rcv_skb+0x130/0x360 [ 6922.468152][ T74] netlink_unicast+0x449/0x710 [ 6922.468152][ T74] netlink_sendmsg+0x723/0xbe0 [ 6922.468152][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6922.468152][ T74] ___sys_sendmsg+0xee/0x170 [ 6922.468152][ T74] __sys_sendmsg+0xcd/0x170 [ 6922.468152][ T74] do_syscall_64+0xc6/0x1e0 [ 6922.468152][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6922.468152][ T74] [ 6922.470187][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6922.470187][ T74] netdev_get_by_index+0x5e/0x80 [ 6922.470187][ T74] fib6_nh_init+0x3d8/0x1580 [ 6922.470187][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6922.470187][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6922.470187][ T74] ipv6_add_addr+0x411/0x2000 [ 6922.470187][ T74] inet6_addr_add+0x30e/0xa40 [ 6922.470187][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6922.470187][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6922.470187][ T74] netlink_rcv_skb+0x130/0x360 [ 6922.470187][ T74] netlink_unicast+0x449/0x710 [ 6922.470187][ T74] netlink_sendmsg+0x723/0xbe0 [ 6922.470187][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6922.470187][ T74] ___sys_sendmsg+0xee/0x170 [ 6922.470187][ T74] __sys_sendmsg+0xcd/0x170 [ 6922.470187][ T74] do_syscall_64+0xc6/0x1e0 [ 6922.470187][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6922.470187][ T74] [ 6922.472305][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6922.472305][ T74] netdev_get_by_index+0x5e/0x80 [ 6922.472305][ T74] fib6_nh_init+0x3d8/0x1580 [ 6922.472305][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6922.472305][ T74] ip6_route_add+0x1c/0x140 [ 6922.472305][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6922.472305][ T74] addrconf_add_dev+0xe2/0x170 [ 6922.472305][ T74] inet6_addr_add+0x12f/0xa40 [ 6922.472305][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6922.472305][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6922.472305][ T74] netlink_rcv_skb+0x130/0x360 [ 6922.472305][ T74] netlink_unicast+0x449/0x710 [ 6922.472305][ T74] netlink_sendmsg+0x723/0xbe0 [ 6922.472305][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6922.472305][ T74] ___sys_sendmsg+0xee/0x170 [ 6922.472305][ T74] __sys_sendmsg+0xcd/0x170 [ 6922.472305][ T74] do_syscall_64+0xc6/0x1e0 [ 6922.472305][ T74] [ 6922.474281][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6922.474281][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6922.474281][ T74] ipv6_find_idev+0x102/0x170 [ 6922.474281][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6922.474281][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6922.474281][ T74] netlink_rcv_skb+0x130/0x360 [ 6922.474281][ T74] netlink_unicast+0x449/0x710 [ 6922.474281][ T74] netlink_sendmsg+0x723/0xbe0 [ 6922.474281][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6922.474281][ T74] ___sys_sendmsg+0xee/0x170 [ 6922.474281][ T74] __sys_sendmsg+0xcd/0x170 [ 6922.474281][ T74] do_syscall_64+0xc6/0x1e0 [ 6922.474281][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6922.474281][ T74] [ 6922.475832][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6922.475832][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6922.475832][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6922.475832][ T74] ipv6_find_idev+0x102/0x170 [ 6922.475832][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6922.475832][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6922.475832][ T74] netlink_rcv_skb+0x130/0x360 [ 6922.475832][ T74] netlink_unicast+0x449/0x710 [ 6922.475832][ T74] netlink_sendmsg+0x723/0xbe0 [ 6922.475832][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6922.475832][ T74] ___sys_sendmsg+0xee/0x170 [ 6922.475832][ T74] __sys_sendmsg+0xcd/0x170 [ 6922.475832][ T74] do_syscall_64+0xc6/0x1e0 [ 6922.475832][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6922.475832][ T74] [ 6922.477571][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6922.477864][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6922.477864][ T74] dst_init+0x84/0x4a0 [ 6922.477864][ T74] dst_alloc+0x97/0x150 [ 6922.477864][ T74] ip6_dst_alloc+0x23/0x90 [ 6922.477864][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6922.477864][ T74] ip6_pol_route+0x56f/0x840 [ 6922.477864][ T74] fib6_rule_lookup+0x456/0x630 [ 6922.477864][ T74] ip6_route_input+0x59c/0xa50 [ 6922.477864][ T74] ipv6_rcv+0x397/0x810 [ 6922.477864][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6922.477864][ T74] process_backlog+0x101/0x620 [ 6922.477864][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6922.477864][ T74] net_rx_action+0x495/0xbe0 [ 6922.477864][ T74] __do_softirq+0x1b5/0x7f6 [ 6922.477864][ T74] [ 6922.479595][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6922.479595][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6922.479595][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6922.479595][ T74] fib6_nh_init+0xa22/0x1580 [ 6922.479595][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6922.479595][ T74] ip6_route_add+0x1c/0x140 [ 6922.479595][ T74] inet6_rtm_newroute+0x104/0x110 [ 6922.479595][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6922.479595][ T74] netlink_rcv_skb+0x130/0x360 [ 6922.479595][ T74] netlink_unicast+0x449/0x710 [ 6922.479595][ T74] netlink_sendmsg+0x723/0xbe0 [ 6922.479595][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6922.479595][ T74] ___sys_sendmsg+0xee/0x170 [ 6922.479595][ T74] __sys_sendmsg+0xcd/0x170 [ 6922.479595][ T74] do_syscall_64+0xc6/0x1e0 [ 6922.479595][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6922.479595][ T74] [ 6922.481599][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6922.481599][ T74] netdev_get_by_index+0x5e/0x80 [ 6922.481599][ T74] fib6_nh_init+0x3d8/0x1580 [ 6922.481599][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6922.481599][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6922.481599][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6922.481599][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6922.481599][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6922.481599][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6922.481599][ T74] addrconf_dad_begin+0x310/0x670 [ 6922.481599][ T74] addrconf_dad_work+0x10b/0xab0 [ 6922.481599][ T74] process_one_work+0x84d/0x18a0 [ 6922.481599][ T74] worker_thread+0x587/0xd30 [ 6922.481599][ T74] kthread+0x28a/0x350 [ 6922.481599][ T74] ret_from_fork+0x31/0x70 [ 6922.481599][ T74] ret_from_fork_asm+0x1a/0x30 [ 6922.481599][ T74] [ 6922.483621][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6922.483621][ T74] netdev_get_by_index+0x5e/0x80 [ 6922.483621][ T74] fib6_nh_init+0x3d8/0x1580 [ 6922.483621][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6922.483621][ T74] ip6_route_add+0x1c/0x140 [ 6922.483621][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6922.483621][ T74] inet6_addr_add+0x4f8/0xa40 [ 6922.483621][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6922.483621][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6922.483621][ T74] netlink_rcv_skb+0x130/0x360 [ 6922.483621][ T74] netlink_unicast+0x449/0x710 [ 6922.483621][ T74] netlink_sendmsg+0x723/0xbe0 [ 6922.483621][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6922.483621][ T74] ___sys_sendmsg+0xee/0x170 [ 6922.483621][ T74] __sys_sendmsg+0xcd/0x170 [ 6922.483621][ T74] do_syscall_64+0xc6/0x1e0 [ 6922.483621][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6922.483621][ T74] [ 6922.485727][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6922.485727][ T74] netdev_get_by_index+0x5e/0x80 [ 6922.485727][ T74] fib6_nh_init+0x3d8/0x1580 [ 6922.485727][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6922.485727][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6922.485727][ T74] ipv6_add_addr+0x411/0x2000 [ 6922.485727][ T74] inet6_addr_add+0x30e/0xa40 [ 6922.485727][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6922.485727][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6922.485727][ T74] netlink_rcv_skb+0x130/0x360 [ 6922.485727][ T74] netlink_unicast+0x449/0x710 [ 6922.485727][ T74] netlink_sendmsg+0x723/0xbe0 [ 6922.485727][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6922.485727][ T74] ___sys_sendmsg+0xee/0x170 [ 6922.485727][ T74] __sys_sendmsg+0xcd/0x170 [ 6922.485727][ T74] do_syscall_64+0xc6/0x1e0 [ 6922.485727][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6922.485727][ T74] [ 6922.487870][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6922.487870][ T74] netdev_get_by_index+0x5e/0x80 [ 6922.487870][ T74] fib6_nh_init+0x3d8/0x1580 [ 6922.487870][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6922.487870][ T74] ip6_route_add+0x1c/0x140 [ 6922.487870][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6922.487870][ T74] addrconf_add_dev+0xe2/0x170 [ 6922.487870][ T74] inet6_addr_add+0x12f/0xa40 [ 6922.487870][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6922.487870][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6922.487870][ T74] netlink_rcv_skb+0x130/0x360 [ 6922.487870][ T74] netlink_unicast+0x449/0x710 [ 6922.487870][ T74] netlink_sendmsg+0x723/0xbe0 [ 6922.487870][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6922.487870][ T74] ___sys_sendmsg+0xee/0x170 [ 6922.487870][ T74] __sys_sendmsg+0xcd/0x170 [ 6922.487870][ T74] do_syscall_64+0xc6/0x1e0 [ 6922.487870][ T74] [ 6922.489944][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6922.489944][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6922.489944][ T74] ipv6_find_idev+0x102/0x170 [ 6922.489944][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6922.489944][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6922.489944][ T74] netlink_rcv_skb+0x130/0x360 [ 6922.489944][ T74] netlink_unicast+0x449/0x710 [ 6922.489944][ T74] netlink_sendmsg+0x723/0xbe0 [ 6922.489944][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6922.489944][ T74] ___sys_sendmsg+0xee/0x170 [ 6922.489944][ T74] __sys_sendmsg+0xcd/0x170 [ 6922.489944][ T74] do_syscall_64+0xc6/0x1e0 [ 6922.489944][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6922.489944][ T74] [ 6922.491652][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6922.491652][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6922.491652][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6922.491652][ T74] ipv6_find_idev+0x102/0x170 [ 6922.491652][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6922.491652][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6922.491652][ T74] netlink_rcv_skb+0x130/0x360 [ 6922.491652][ T74] netlink_unicast+0x449/0x710 [ 6922.491652][ T74] netlink_sendmsg+0x723/0xbe0 [ 6922.491652][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6922.491652][ T74] ___sys_sendmsg+0xee/0x170 [ 6922.491652][ T74] __sys_sendmsg+0xcd/0x170 [ 6922.491652][ T74] do_syscall_64+0xc6/0x1e0 [ 6922.491652][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6922.491652][ T74] [ 6922.493688][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6922.494022][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6922.494022][ T74] netdev_get_by_index+0x5e/0x80 [ 6922.494022][ T74] fib6_nh_init+0x3d8/0x1580 [ 6922.494022][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6922.494022][ T74] ip6_route_add+0x1c/0x140 [ 6922.494022][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6922.494022][ T74] inet6_addr_add+0x4f8/0xa40 [ 6922.494022][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6922.494022][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6922.494022][ T74] netlink_rcv_skb+0x130/0x360 [ 6922.494022][ T74] netlink_unicast+0x449/0x710 [ 6922.494022][ T74] netlink_sendmsg+0x723/0xbe0 [ 6922.494022][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6922.494022][ T74] ___sys_sendmsg+0xee/0x170 [ 6922.494022][ T74] __sys_sendmsg+0xcd/0x170 [ 6922.494022][ T74] do_syscall_64+0xc6/0x1e0 [ 6922.494022][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6922.494022][ T74] [ 6922.496264][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6922.496264][ T74] netdev_get_by_index+0x5e/0x80 [ 6922.496264][ T74] fib6_nh_init+0x3d8/0x1580 [ 6922.496264][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6922.496264][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6922.496264][ T74] ipv6_add_addr+0x411/0x2000 [ 6922.496264][ T74] inet6_addr_add+0x30e/0xa40 [ 6922.496264][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6922.496264][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6922.496264][ T74] netlink_rcv_skb+0x130/0x360 [ 6922.496264][ T74] netlink_unicast+0x449/0x710 [ 6922.496264][ T74] netlink_sendmsg+0x723/0xbe0 [ 6922.496264][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6922.496264][ T74] ___sys_sendmsg+0xee/0x170 [ 6922.496264][ T74] __sys_sendmsg+0xcd/0x170 [ 6922.496264][ T74] do_syscall_64+0xc6/0x1e0 [ 6922.496264][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6922.496264][ T74] [ 6922.498608][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6922.498608][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6922.498608][ T74] ipv6_find_idev+0x102/0x170 [ 6922.498608][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6922.498608][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6922.498608][ T74] netlink_rcv_skb+0x130/0x360 [ 6922.498608][ T74] netlink_unicast+0x449/0x710 [ 6922.498608][ T74] netlink_sendmsg+0x723/0xbe0 [ 6922.498608][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6922.498608][ T74] ___sys_sendmsg+0xee/0x170 [ 6922.498608][ T74] __sys_sendmsg+0xcd/0x170 [ 6922.498608][ T74] do_syscall_64+0xc6/0x1e0 [ 6922.498608][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6922.498608][ T74] [ 6922.500369][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6922.500369][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6922.500369][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6922.500369][ T74] ipv6_find_idev+0x102/0x170 [ 6922.500369][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6922.500369][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6922.500369][ T74] netlink_rcv_skb+0x130/0x360 [ 6922.500369][ T74] netlink_unicast+0x449/0x710 [ 6922.500369][ T74] netlink_sendmsg+0x723/0xbe0 [ 6922.500369][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6922.500369][ T74] ___sys_sendmsg+0xee/0x170 [ 6922.500369][ T74] __sys_sendmsg+0xcd/0x170 [ 6922.500369][ T74] do_syscall_64+0xc6/0x1e0 [ 6922.500369][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6922.500369][ T74] [ 6932.744030][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6932.744472][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6932.744472][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6932.744472][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6932.744472][ T74] fib6_nh_init+0xa22/0x1580 [ 6932.744472][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6932.744472][ T74] ip6_route_add+0x1c/0x140 [ 6932.744472][ T74] inet6_rtm_newroute+0x104/0x110 [ 6932.744472][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6932.744472][ T74] netlink_rcv_skb+0x130/0x360 [ 6932.744472][ T74] netlink_unicast+0x449/0x710 [ 6932.744472][ T74] netlink_sendmsg+0x723/0xbe0 [ 6932.744472][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6932.744472][ T74] ___sys_sendmsg+0xee/0x170 [ 6932.744472][ T74] __sys_sendmsg+0xcd/0x170 [ 6932.744472][ T74] do_syscall_64+0xc6/0x1e0 [ 6932.744472][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6932.744472][ T74] [ 6932.746503][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6932.746503][ T74] netdev_get_by_index+0x5e/0x80 [ 6932.746503][ T74] fib6_nh_init+0x3d8/0x1580 [ 6932.746503][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6932.746503][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6932.746503][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6932.746503][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6932.746503][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6932.746503][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6932.746503][ T74] addrconf_dad_begin+0x310/0x670 [ 6932.746503][ T74] addrconf_dad_work+0x10b/0xab0 [ 6932.746503][ T74] process_one_work+0x84d/0x18a0 [ 6932.746503][ T74] worker_thread+0x587/0xd30 [ 6932.746503][ T74] kthread+0x28a/0x350 [ 6932.746503][ T74] ret_from_fork+0x31/0x70 [ 6932.746503][ T74] ret_from_fork_asm+0x1a/0x30 [ 6932.746503][ T74] [ 6932.748447][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6932.748447][ T74] netdev_get_by_index+0x5e/0x80 [ 6932.748447][ T74] fib6_nh_init+0x3d8/0x1580 [ 6932.748447][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6932.748447][ T74] ip6_route_add+0x1c/0x140 [ 6932.748447][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6932.748447][ T74] inet6_addr_add+0x4f8/0xa40 [ 6932.748447][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6932.748447][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6932.748447][ T74] netlink_rcv_skb+0x130/0x360 [ 6932.748447][ T74] netlink_unicast+0x449/0x710 [ 6932.748447][ T74] netlink_sendmsg+0x723/0xbe0 [ 6932.748447][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6932.748447][ T74] ___sys_sendmsg+0xee/0x170 [ 6932.748447][ T74] __sys_sendmsg+0xcd/0x170 [ 6932.748447][ T74] do_syscall_64+0xc6/0x1e0 [ 6932.748447][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6932.748447][ T74] [ 6932.750494][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6932.750494][ T74] netdev_get_by_index+0x5e/0x80 [ 6932.750494][ T74] fib6_nh_init+0x3d8/0x1580 [ 6932.750494][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6932.750494][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6932.750494][ T74] ipv6_add_addr+0x411/0x2000 [ 6932.750494][ T74] inet6_addr_add+0x30e/0xa40 [ 6932.750494][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6932.750494][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6932.750494][ T74] netlink_rcv_skb+0x130/0x360 [ 6932.750494][ T74] netlink_unicast+0x449/0x710 [ 6932.750494][ T74] netlink_sendmsg+0x723/0xbe0 [ 6932.750494][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6932.750494][ T74] ___sys_sendmsg+0xee/0x170 [ 6932.750494][ T74] __sys_sendmsg+0xcd/0x170 [ 6932.750494][ T74] do_syscall_64+0xc6/0x1e0 [ 6932.750494][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6932.750494][ T74] [ 6932.752512][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6932.752512][ T74] netdev_get_by_index+0x5e/0x80 [ 6932.752512][ T74] fib6_nh_init+0x3d8/0x1580 [ 6932.752512][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6932.752512][ T74] ip6_route_add+0x1c/0x140 [ 6932.752512][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6932.752512][ T74] addrconf_add_dev+0xe2/0x170 [ 6932.752512][ T74] inet6_addr_add+0x12f/0xa40 [ 6932.752512][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6932.752512][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6932.752512][ T74] netlink_rcv_skb+0x130/0x360 [ 6932.752512][ T74] netlink_unicast+0x449/0x710 [ 6932.752512][ T74] netlink_sendmsg+0x723/0xbe0 [ 6932.752512][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6932.752512][ T74] ___sys_sendmsg+0xee/0x170 [ 6932.752512][ T74] __sys_sendmsg+0xcd/0x170 [ 6932.752512][ T74] do_syscall_64+0xc6/0x1e0 [ 6932.752512][ T74] [ 6932.754497][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6932.754497][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6932.754497][ T74] ipv6_find_idev+0x102/0x170 [ 6932.754497][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6932.754497][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6932.754497][ T74] netlink_rcv_skb+0x130/0x360 [ 6932.754497][ T74] netlink_unicast+0x449/0x710 [ 6932.754497][ T74] netlink_sendmsg+0x723/0xbe0 [ 6932.754497][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6932.754497][ T74] ___sys_sendmsg+0xee/0x170 [ 6932.754497][ T74] __sys_sendmsg+0xcd/0x170 [ 6932.754497][ T74] do_syscall_64+0xc6/0x1e0 [ 6932.754497][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6932.754497][ T74] [ 6932.756061][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6932.756061][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6932.756061][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6932.756061][ T74] ipv6_find_idev+0x102/0x170 [ 6932.756061][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6932.756061][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6932.756061][ T74] netlink_rcv_skb+0x130/0x360 [ 6932.756061][ T74] netlink_unicast+0x449/0x710 [ 6932.756061][ T74] netlink_sendmsg+0x723/0xbe0 [ 6932.756061][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6932.756061][ T74] ___sys_sendmsg+0xee/0x170 [ 6932.756061][ T74] __sys_sendmsg+0xcd/0x170 [ 6932.756061][ T74] do_syscall_64+0xc6/0x1e0 [ 6932.756061][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6932.756061][ T74] [ 6932.757783][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6932.758085][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6932.758085][ T74] dst_init+0x84/0x4a0 [ 6932.758085][ T74] dst_alloc+0x97/0x150 [ 6932.758085][ T74] ip6_dst_alloc+0x23/0x90 [ 6932.758085][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6932.758085][ T74] ip6_pol_route+0x56f/0x840 [ 6932.758085][ T74] fib6_rule_lookup+0x456/0x630 [ 6932.758085][ T74] ip6_route_input+0x59c/0xa50 [ 6932.758085][ T74] ipv6_rcv+0x397/0x810 [ 6932.758085][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6932.758085][ T74] process_backlog+0x101/0x620 [ 6932.758085][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6932.758085][ T74] net_rx_action+0x495/0xbe0 [ 6932.758085][ T74] __do_softirq+0x1b5/0x7f6 [ 6932.758085][ T74] [ 6932.759754][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6932.759754][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6932.759754][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6932.759754][ T74] fib6_nh_init+0xa22/0x1580 [ 6932.759754][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6932.759754][ T74] ip6_route_add+0x1c/0x140 [ 6932.759754][ T74] inet6_rtm_newroute+0x104/0x110 [ 6932.759754][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6932.759754][ T74] netlink_rcv_skb+0x130/0x360 [ 6932.759754][ T74] netlink_unicast+0x449/0x710 [ 6932.759754][ T74] netlink_sendmsg+0x723/0xbe0 [ 6932.759754][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6932.759754][ T74] ___sys_sendmsg+0xee/0x170 [ 6932.759754][ T74] __sys_sendmsg+0xcd/0x170 [ 6932.759754][ T74] do_syscall_64+0xc6/0x1e0 [ 6932.759754][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6932.759754][ T74] [ 6932.761662][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6932.761662][ T74] netdev_get_by_index+0x5e/0x80 [ 6932.761662][ T74] fib6_nh_init+0x3d8/0x1580 [ 6932.761662][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6932.761662][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6932.761662][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6932.761662][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6932.761662][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6932.761662][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6932.761662][ T74] addrconf_dad_begin+0x310/0x670 [ 6932.761662][ T74] addrconf_dad_work+0x10b/0xab0 [ 6932.761662][ T74] process_one_work+0x84d/0x18a0 [ 6932.761662][ T74] worker_thread+0x587/0xd30 [ 6932.761662][ T74] kthread+0x28a/0x350 [ 6932.761662][ T74] ret_from_fork+0x31/0x70 [ 6932.761662][ T74] ret_from_fork_asm+0x1a/0x30 [ 6932.761662][ T74] [ 6932.763602][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6932.763602][ T74] netdev_get_by_index+0x5e/0x80 [ 6932.763602][ T74] fib6_nh_init+0x3d8/0x1580 [ 6932.763602][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6932.763602][ T74] ip6_route_add+0x1c/0x140 [ 6932.763602][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6932.763602][ T74] inet6_addr_add+0x4f8/0xa40 [ 6932.763602][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6932.763602][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6932.763602][ T74] netlink_rcv_skb+0x130/0x360 [ 6932.763602][ T74] netlink_unicast+0x449/0x710 [ 6932.763602][ T74] netlink_sendmsg+0x723/0xbe0 [ 6932.763602][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6932.763602][ T74] ___sys_sendmsg+0xee/0x170 [ 6932.763602][ T74] __sys_sendmsg+0xcd/0x170 [ 6932.763602][ T74] do_syscall_64+0xc6/0x1e0 [ 6932.763602][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6932.763602][ T74] [ 6932.765627][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6932.765627][ T74] netdev_get_by_index+0x5e/0x80 [ 6932.765627][ T74] fib6_nh_init+0x3d8/0x1580 [ 6932.765627][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6932.765627][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6932.765627][ T74] ipv6_add_addr+0x411/0x2000 [ 6932.765627][ T74] inet6_addr_add+0x30e/0xa40 [ 6932.765627][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6932.765627][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6932.765627][ T74] netlink_rcv_skb+0x130/0x360 [ 6932.765627][ T74] netlink_unicast+0x449/0x710 [ 6932.765627][ T74] netlink_sendmsg+0x723/0xbe0 [ 6932.765627][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6932.765627][ T74] ___sys_sendmsg+0xee/0x170 [ 6932.765627][ T74] __sys_sendmsg+0xcd/0x170 [ 6932.765627][ T74] do_syscall_64+0xc6/0x1e0 [ 6932.765627][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6932.765627][ T74] [ 6932.767659][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6932.767659][ T74] netdev_get_by_index+0x5e/0x80 [ 6932.767659][ T74] fib6_nh_init+0x3d8/0x1580 [ 6932.767659][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6932.767659][ T74] ip6_route_add+0x1c/0x140 [ 6932.767659][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6932.767659][ T74] addrconf_add_dev+0xe2/0x170 [ 6932.767659][ T74] inet6_addr_add+0x12f/0xa40 [ 6932.767659][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6932.767659][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6932.767659][ T74] netlink_rcv_skb+0x130/0x360 [ 6932.767659][ T74] netlink_unicast+0x449/0x710 [ 6932.767659][ T74] netlink_sendmsg+0x723/0xbe0 [ 6932.767659][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6932.767659][ T74] ___sys_sendmsg+0xee/0x170 [ 6932.767659][ T74] __sys_sendmsg+0xcd/0x170 [ 6932.767659][ T74] do_syscall_64+0xc6/0x1e0 [ 6932.767659][ T74] [ 6932.769641][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6932.769641][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6932.769641][ T74] ipv6_find_idev+0x102/0x170 [ 6932.769641][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6932.769641][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6932.769641][ T74] netlink_rcv_skb+0x130/0x360 [ 6932.769641][ T74] netlink_unicast+0x449/0x710 [ 6932.769641][ T74] netlink_sendmsg+0x723/0xbe0 [ 6932.769641][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6932.769641][ T74] ___sys_sendmsg+0xee/0x170 [ 6932.769641][ T74] __sys_sendmsg+0xcd/0x170 [ 6932.769641][ T74] do_syscall_64+0xc6/0x1e0 [ 6932.769641][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6932.769641][ T74] [ 6932.771381][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6932.771381][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6932.771381][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6932.771381][ T74] ipv6_find_idev+0x102/0x170 [ 6932.771381][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6932.771381][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6932.771381][ T74] netlink_rcv_skb+0x130/0x360 [ 6932.771381][ T74] netlink_unicast+0x449/0x710 [ 6932.771381][ T74] netlink_sendmsg+0x723/0xbe0 [ 6932.771381][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6932.771381][ T74] ___sys_sendmsg+0xee/0x170 [ 6932.771381][ T74] __sys_sendmsg+0xcd/0x170 [ 6932.771381][ T74] do_syscall_64+0xc6/0x1e0 [ 6932.771381][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6932.771381][ T74] [ 6932.773359][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6932.773664][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6932.773664][ T74] netdev_get_by_index+0x5e/0x80 [ 6932.773664][ T74] fib6_nh_init+0x3d8/0x1580 [ 6932.773664][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6932.773664][ T74] ip6_route_add+0x1c/0x140 [ 6932.773664][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6932.773664][ T74] inet6_addr_add+0x4f8/0xa40 [ 6932.773664][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6932.773664][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6932.773664][ T74] netlink_rcv_skb+0x130/0x360 [ 6932.773664][ T74] netlink_unicast+0x449/0x710 [ 6932.773664][ T74] netlink_sendmsg+0x723/0xbe0 [ 6932.773664][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6932.773664][ T74] ___sys_sendmsg+0xee/0x170 [ 6932.773664][ T74] __sys_sendmsg+0xcd/0x170 [ 6932.773664][ T74] do_syscall_64+0xc6/0x1e0 [ 6932.773664][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6932.773664][ T74] [ 6932.775870][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6932.775870][ T74] netdev_get_by_index+0x5e/0x80 [ 6932.775870][ T74] fib6_nh_init+0x3d8/0x1580 [ 6932.775870][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6932.775870][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6932.775870][ T74] ipv6_add_addr+0x411/0x2000 [ 6932.775870][ T74] inet6_addr_add+0x30e/0xa40 [ 6932.775870][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6932.775870][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6932.775870][ T74] netlink_rcv_skb+0x130/0x360 [ 6932.775870][ T74] netlink_unicast+0x449/0x710 [ 6932.775870][ T74] netlink_sendmsg+0x723/0xbe0 [ 6932.775870][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6932.775870][ T74] ___sys_sendmsg+0xee/0x170 [ 6932.775870][ T74] __sys_sendmsg+0xcd/0x170 [ 6932.775870][ T74] do_syscall_64+0xc6/0x1e0 [ 6932.775870][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6932.775870][ T74] [ 6932.778137][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6932.778137][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6932.778137][ T74] ipv6_find_idev+0x102/0x170 [ 6932.778137][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6932.778137][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6932.778137][ T74] netlink_rcv_skb+0x130/0x360 [ 6932.778137][ T74] netlink_unicast+0x449/0x710 [ 6932.778137][ T74] netlink_sendmsg+0x723/0xbe0 [ 6932.778137][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6932.778137][ T74] ___sys_sendmsg+0xee/0x170 [ 6932.778137][ T74] __sys_sendmsg+0xcd/0x170 [ 6932.778137][ T74] do_syscall_64+0xc6/0x1e0 [ 6932.778137][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6932.778137][ T74] [ 6932.779868][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6932.779868][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6932.779868][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6932.779868][ T74] ipv6_find_idev+0x102/0x170 [ 6932.779868][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6932.779868][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6932.779868][ T74] netlink_rcv_skb+0x130/0x360 [ 6932.779868][ T74] netlink_unicast+0x449/0x710 [ 6932.779868][ T74] netlink_sendmsg+0x723/0xbe0 [ 6932.779868][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6932.779868][ T74] ___sys_sendmsg+0xee/0x170 [ 6932.779868][ T74] __sys_sendmsg+0xcd/0x170 [ 6932.779868][ T74] do_syscall_64+0xc6/0x1e0 [ 6932.779868][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6932.779868][ T74] [ 6943.023954][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6943.024379][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6943.024379][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6943.024379][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6943.024379][ T74] fib6_nh_init+0xa22/0x1580 [ 6943.024379][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6943.024379][ T74] ip6_route_add+0x1c/0x140 [ 6943.024379][ T74] inet6_rtm_newroute+0x104/0x110 [ 6943.024379][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6943.024379][ T74] netlink_rcv_skb+0x130/0x360 [ 6943.024379][ T74] netlink_unicast+0x449/0x710 [ 6943.024379][ T74] netlink_sendmsg+0x723/0xbe0 [ 6943.024379][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6943.024379][ T74] ___sys_sendmsg+0xee/0x170 [ 6943.024379][ T74] __sys_sendmsg+0xcd/0x170 [ 6943.024379][ T74] do_syscall_64+0xc6/0x1e0 [ 6943.024379][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6943.024379][ T74] [ 6943.026282][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6943.026282][ T74] netdev_get_by_index+0x5e/0x80 [ 6943.026282][ T74] fib6_nh_init+0x3d8/0x1580 [ 6943.026282][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6943.026282][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6943.026282][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6943.026282][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6943.026282][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6943.026282][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6943.026282][ T74] addrconf_dad_begin+0x310/0x670 [ 6943.026282][ T74] addrconf_dad_work+0x10b/0xab0 [ 6943.026282][ T74] process_one_work+0x84d/0x18a0 [ 6943.026282][ T74] worker_thread+0x587/0xd30 [ 6943.026282][ T74] kthread+0x28a/0x350 [ 6943.026282][ T74] ret_from_fork+0x31/0x70 [ 6943.026282][ T74] ret_from_fork_asm+0x1a/0x30 [ 6943.026282][ T74] [ 6943.028183][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6943.028183][ T74] netdev_get_by_index+0x5e/0x80 [ 6943.028183][ T74] fib6_nh_init+0x3d8/0x1580 [ 6943.028183][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6943.028183][ T74] ip6_route_add+0x1c/0x140 [ 6943.028183][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6943.028183][ T74] inet6_addr_add+0x4f8/0xa40 [ 6943.028183][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6943.028183][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6943.028183][ T74] netlink_rcv_skb+0x130/0x360 [ 6943.028183][ T74] netlink_unicast+0x449/0x710 [ 6943.028183][ T74] netlink_sendmsg+0x723/0xbe0 [ 6943.028183][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6943.028183][ T74] ___sys_sendmsg+0xee/0x170 [ 6943.028183][ T74] __sys_sendmsg+0xcd/0x170 [ 6943.028183][ T74] do_syscall_64+0xc6/0x1e0 [ 6943.028183][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6943.028183][ T74] [ 6943.030700][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6943.030700][ T74] netdev_get_by_index+0x5e/0x80 [ 6943.030700][ T74] fib6_nh_init+0x3d8/0x1580 [ 6943.030700][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6943.030700][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6943.030700][ T74] ipv6_add_addr+0x411/0x2000 [ 6943.030700][ T74] inet6_addr_add+0x30e/0xa40 [ 6943.030700][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6943.030700][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6943.030700][ T74] netlink_rcv_skb+0x130/0x360 [ 6943.030700][ T74] netlink_unicast+0x449/0x710 [ 6943.030700][ T74] netlink_sendmsg+0x723/0xbe0 [ 6943.030700][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6943.030700][ T74] ___sys_sendmsg+0xee/0x170 [ 6943.030700][ T74] __sys_sendmsg+0xcd/0x170 [ 6943.030700][ T74] do_syscall_64+0xc6/0x1e0 [ 6943.030700][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6943.030700][ T74] [ 6943.032690][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6943.032690][ T74] netdev_get_by_index+0x5e/0x80 [ 6943.032690][ T74] fib6_nh_init+0x3d8/0x1580 [ 6943.032690][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6943.032690][ T74] ip6_route_add+0x1c/0x140 [ 6943.032690][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6943.032690][ T74] addrconf_add_dev+0xe2/0x170 [ 6943.032690][ T74] inet6_addr_add+0x12f/0xa40 [ 6943.032690][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6943.032690][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6943.032690][ T74] netlink_rcv_skb+0x130/0x360 [ 6943.032690][ T74] netlink_unicast+0x449/0x710 [ 6943.032690][ T74] netlink_sendmsg+0x723/0xbe0 [ 6943.032690][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6943.032690][ T74] ___sys_sendmsg+0xee/0x170 [ 6943.032690][ T74] __sys_sendmsg+0xcd/0x170 [ 6943.032690][ T74] do_syscall_64+0xc6/0x1e0 [ 6943.032690][ T74] [ 6943.034653][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6943.034653][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6943.034653][ T74] ipv6_find_idev+0x102/0x170 [ 6943.034653][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6943.034653][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6943.034653][ T74] netlink_rcv_skb+0x130/0x360 [ 6943.034653][ T74] netlink_unicast+0x449/0x710 [ 6943.034653][ T74] netlink_sendmsg+0x723/0xbe0 [ 6943.034653][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6943.034653][ T74] ___sys_sendmsg+0xee/0x170 [ 6943.034653][ T74] __sys_sendmsg+0xcd/0x170 [ 6943.034653][ T74] do_syscall_64+0xc6/0x1e0 [ 6943.034653][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6943.034653][ T74] [ 6943.036184][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6943.036184][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6943.036184][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6943.036184][ T74] ipv6_find_idev+0x102/0x170 [ 6943.036184][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6943.036184][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6943.036184][ T74] netlink_rcv_skb+0x130/0x360 [ 6943.036184][ T74] netlink_unicast+0x449/0x710 [ 6943.036184][ T74] netlink_sendmsg+0x723/0xbe0 [ 6943.036184][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6943.036184][ T74] ___sys_sendmsg+0xee/0x170 [ 6943.036184][ T74] __sys_sendmsg+0xcd/0x170 [ 6943.036184][ T74] do_syscall_64+0xc6/0x1e0 [ 6943.036184][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6943.036184][ T74] [ 6943.037861][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6943.038133][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6943.038133][ T74] dst_init+0x84/0x4a0 [ 6943.038133][ T74] dst_alloc+0x97/0x150 [ 6943.038133][ T74] ip6_dst_alloc+0x23/0x90 [ 6943.038133][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6943.038133][ T74] ip6_pol_route+0x56f/0x840 [ 6943.038133][ T74] fib6_rule_lookup+0x456/0x630 [ 6943.038133][ T74] ip6_route_input+0x59c/0xa50 [ 6943.038133][ T74] ipv6_rcv+0x397/0x810 [ 6943.038133][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6943.038133][ T74] process_backlog+0x101/0x620 [ 6943.038133][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6943.038133][ T74] net_rx_action+0x495/0xbe0 [ 6943.038133][ T74] __do_softirq+0x1b5/0x7f6 [ 6943.038133][ T74] [ 6943.039754][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6943.039754][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6943.039754][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6943.039754][ T74] fib6_nh_init+0xa22/0x1580 [ 6943.039754][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6943.039754][ T74] ip6_route_add+0x1c/0x140 [ 6943.039754][ T74] inet6_rtm_newroute+0x104/0x110 [ 6943.039754][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6943.039754][ T74] netlink_rcv_skb+0x130/0x360 [ 6943.039754][ T74] netlink_unicast+0x449/0x710 [ 6943.039754][ T74] netlink_sendmsg+0x723/0xbe0 [ 6943.039754][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6943.039754][ T74] ___sys_sendmsg+0xee/0x170 [ 6943.039754][ T74] __sys_sendmsg+0xcd/0x170 [ 6943.039754][ T74] do_syscall_64+0xc6/0x1e0 [ 6943.039754][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6943.039754][ T74] [ 6943.041618][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6943.041618][ T74] netdev_get_by_index+0x5e/0x80 [ 6943.041618][ T74] fib6_nh_init+0x3d8/0x1580 [ 6943.041618][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6943.041618][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6943.041618][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6943.041618][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6943.041618][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6943.041618][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6943.041618][ T74] addrconf_dad_begin+0x310/0x670 [ 6943.041618][ T74] addrconf_dad_work+0x10b/0xab0 [ 6943.041618][ T74] process_one_work+0x84d/0x18a0 [ 6943.041618][ T74] worker_thread+0x587/0xd30 [ 6943.041618][ T74] kthread+0x28a/0x350 [ 6943.041618][ T74] ret_from_fork+0x31/0x70 [ 6943.041618][ T74] ret_from_fork_asm+0x1a/0x30 [ 6943.041618][ T74] [ 6943.043508][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6943.043508][ T74] netdev_get_by_index+0x5e/0x80 [ 6943.043508][ T74] fib6_nh_init+0x3d8/0x1580 [ 6943.043508][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6943.043508][ T74] ip6_route_add+0x1c/0x140 [ 6943.043508][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6943.043508][ T74] inet6_addr_add+0x4f8/0xa40 [ 6943.043508][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6943.043508][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6943.043508][ T74] netlink_rcv_skb+0x130/0x360 [ 6943.043508][ T74] netlink_unicast+0x449/0x710 [ 6943.043508][ T74] netlink_sendmsg+0x723/0xbe0 [ 6943.043508][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6943.043508][ T74] ___sys_sendmsg+0xee/0x170 [ 6943.043508][ T74] __sys_sendmsg+0xcd/0x170 [ 6943.043508][ T74] do_syscall_64+0xc6/0x1e0 [ 6943.043508][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6943.043508][ T74] [ 6943.045484][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6943.045484][ T74] netdev_get_by_index+0x5e/0x80 [ 6943.045484][ T74] fib6_nh_init+0x3d8/0x1580 [ 6943.045484][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6943.045484][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6943.045484][ T74] ipv6_add_addr+0x411/0x2000 [ 6943.045484][ T74] inet6_addr_add+0x30e/0xa40 [ 6943.045484][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6943.045484][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6943.045484][ T74] netlink_rcv_skb+0x130/0x360 [ 6943.045484][ T74] netlink_unicast+0x449/0x710 [ 6943.045484][ T74] netlink_sendmsg+0x723/0xbe0 [ 6943.045484][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6943.045484][ T74] ___sys_sendmsg+0xee/0x170 [ 6943.045484][ T74] __sys_sendmsg+0xcd/0x170 [ 6943.045484][ T74] do_syscall_64+0xc6/0x1e0 [ 6943.045484][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6943.045484][ T74] [ 6943.047474][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6943.047474][ T74] netdev_get_by_index+0x5e/0x80 [ 6943.047474][ T74] fib6_nh_init+0x3d8/0x1580 [ 6943.047474][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6943.047474][ T74] ip6_route_add+0x1c/0x140 [ 6943.047474][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6943.047474][ T74] addrconf_add_dev+0xe2/0x170 [ 6943.047474][ T74] inet6_addr_add+0x12f/0xa40 [ 6943.047474][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6943.047474][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6943.047474][ T74] netlink_rcv_skb+0x130/0x360 [ 6943.047474][ T74] netlink_unicast+0x449/0x710 [ 6943.047474][ T74] netlink_sendmsg+0x723/0xbe0 [ 6943.047474][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6943.047474][ T74] ___sys_sendmsg+0xee/0x170 [ 6943.047474][ T74] __sys_sendmsg+0xcd/0x170 [ 6943.047474][ T74] do_syscall_64+0xc6/0x1e0 [ 6943.047474][ T74] [ 6943.049416][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6943.049416][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6943.049416][ T74] ipv6_find_idev+0x102/0x170 [ 6943.049416][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6943.049416][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6943.049416][ T74] netlink_rcv_skb+0x130/0x360 [ 6943.049416][ T74] netlink_unicast+0x449/0x710 [ 6943.049416][ T74] netlink_sendmsg+0x723/0xbe0 [ 6943.049416][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6943.049416][ T74] ___sys_sendmsg+0xee/0x170 [ 6943.049416][ T74] __sys_sendmsg+0xcd/0x170 [ 6943.049416][ T74] do_syscall_64+0xc6/0x1e0 [ 6943.049416][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6943.049416][ T74] [ 6943.051064][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6943.051064][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6943.051064][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6943.051064][ T74] ipv6_find_idev+0x102/0x170 [ 6943.051064][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6943.051064][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6943.051064][ T74] netlink_rcv_skb+0x130/0x360 [ 6943.051064][ T74] netlink_unicast+0x449/0x710 [ 6943.051064][ T74] netlink_sendmsg+0x723/0xbe0 [ 6943.051064][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6943.051064][ T74] ___sys_sendmsg+0xee/0x170 [ 6943.051064][ T74] __sys_sendmsg+0xcd/0x170 [ 6943.051064][ T74] do_syscall_64+0xc6/0x1e0 [ 6943.051064][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6943.051064][ T74] [ 6943.052972][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6943.053273][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6943.053273][ T74] netdev_get_by_index+0x5e/0x80 [ 6943.053273][ T74] fib6_nh_init+0x3d8/0x1580 [ 6943.053273][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6943.053273][ T74] ip6_route_add+0x1c/0x140 [ 6943.053273][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6943.053273][ T74] inet6_addr_add+0x4f8/0xa40 [ 6943.053273][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6943.053273][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6943.053273][ T74] netlink_rcv_skb+0x130/0x360 [ 6943.053273][ T74] netlink_unicast+0x449/0x710 [ 6943.053273][ T74] netlink_sendmsg+0x723/0xbe0 [ 6943.053273][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6943.053273][ T74] ___sys_sendmsg+0xee/0x170 [ 6943.053273][ T74] __sys_sendmsg+0xcd/0x170 [ 6943.053273][ T74] do_syscall_64+0xc6/0x1e0 [ 6943.053273][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6943.053273][ T74] [ 6943.055498][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6943.055498][ T74] netdev_get_by_index+0x5e/0x80 [ 6943.055498][ T74] fib6_nh_init+0x3d8/0x1580 [ 6943.055498][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6943.055498][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6943.055498][ T74] ipv6_add_addr+0x411/0x2000 [ 6943.055498][ T74] inet6_addr_add+0x30e/0xa40 [ 6943.055498][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6943.055498][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6943.055498][ T74] netlink_rcv_skb+0x130/0x360 [ 6943.055498][ T74] netlink_unicast+0x449/0x710 [ 6943.055498][ T74] netlink_sendmsg+0x723/0xbe0 [ 6943.055498][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6943.055498][ T74] ___sys_sendmsg+0xee/0x170 [ 6943.055498][ T74] __sys_sendmsg+0xcd/0x170 [ 6943.055498][ T74] do_syscall_64+0xc6/0x1e0 [ 6943.055498][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6943.055498][ T74] [ 6943.057674][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6943.057674][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6943.057674][ T74] ipv6_find_idev+0x102/0x170 [ 6943.057674][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6943.057674][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6943.057674][ T74] netlink_rcv_skb+0x130/0x360 [ 6943.057674][ T74] netlink_unicast+0x449/0x710 [ 6943.057674][ T74] netlink_sendmsg+0x723/0xbe0 [ 6943.057674][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6943.057674][ T74] ___sys_sendmsg+0xee/0x170 [ 6943.057674][ T74] __sys_sendmsg+0xcd/0x170 [ 6943.057674][ T74] do_syscall_64+0xc6/0x1e0 [ 6943.057674][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6943.057674][ T74] [ 6943.059395][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6943.059395][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6943.059395][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6943.059395][ T74] ipv6_find_idev+0x102/0x170 [ 6943.059395][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6943.059395][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6943.059395][ T74] netlink_rcv_skb+0x130/0x360 [ 6943.059395][ T74] netlink_unicast+0x449/0x710 [ 6943.059395][ T74] netlink_sendmsg+0x723/0xbe0 [ 6943.059395][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6943.059395][ T74] ___sys_sendmsg+0xee/0x170 [ 6943.059395][ T74] __sys_sendmsg+0xcd/0x170 [ 6943.059395][ T74] do_syscall_64+0xc6/0x1e0 [ 6943.059395][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6943.059395][ T74] [ 6953.144001][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6953.144431][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6953.144431][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6953.144431][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6953.144431][ T74] fib6_nh_init+0xa22/0x1580 [ 6953.144431][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6953.144431][ T74] ip6_route_add+0x1c/0x140 [ 6953.144431][ T74] inet6_rtm_newroute+0x104/0x110 [ 6953.144431][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6953.144431][ T74] netlink_rcv_skb+0x130/0x360 [ 6953.144431][ T74] netlink_unicast+0x449/0x710 [ 6953.144431][ T74] netlink_sendmsg+0x723/0xbe0 [ 6953.144431][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6953.144431][ T74] ___sys_sendmsg+0xee/0x170 [ 6953.144431][ T74] __sys_sendmsg+0xcd/0x170 [ 6953.144431][ T74] do_syscall_64+0xc6/0x1e0 [ 6953.144431][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6953.144431][ T74] [ 6953.146349][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6953.146349][ T74] netdev_get_by_index+0x5e/0x80 [ 6953.146349][ T74] fib6_nh_init+0x3d8/0x1580 [ 6953.146349][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6953.146349][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6953.146349][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6953.146349][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6953.146349][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6953.146349][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6953.146349][ T74] addrconf_dad_begin+0x310/0x670 [ 6953.146349][ T74] addrconf_dad_work+0x10b/0xab0 [ 6953.146349][ T74] process_one_work+0x84d/0x18a0 [ 6953.146349][ T74] worker_thread+0x587/0xd30 [ 6953.146349][ T74] kthread+0x28a/0x350 [ 6953.146349][ T74] ret_from_fork+0x31/0x70 [ 6953.146349][ T74] ret_from_fork_asm+0x1a/0x30 [ 6953.146349][ T74] [ 6953.148261][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6953.148261][ T74] netdev_get_by_index+0x5e/0x80 [ 6953.148261][ T74] fib6_nh_init+0x3d8/0x1580 [ 6953.148261][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6953.148261][ T74] ip6_route_add+0x1c/0x140 [ 6953.148261][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6953.148261][ T74] inet6_addr_add+0x4f8/0xa40 [ 6953.148261][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6953.148261][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6953.148261][ T74] netlink_rcv_skb+0x130/0x360 [ 6953.148261][ T74] netlink_unicast+0x449/0x710 [ 6953.148261][ T74] netlink_sendmsg+0x723/0xbe0 [ 6953.148261][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6953.148261][ T74] ___sys_sendmsg+0xee/0x170 [ 6953.148261][ T74] __sys_sendmsg+0xcd/0x170 [ 6953.148261][ T74] do_syscall_64+0xc6/0x1e0 [ 6953.148261][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6953.148261][ T74] [ 6953.150254][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6953.150254][ T74] netdev_get_by_index+0x5e/0x80 [ 6953.150254][ T74] fib6_nh_init+0x3d8/0x1580 [ 6953.150254][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6953.150254][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6953.150254][ T74] ipv6_add_addr+0x411/0x2000 [ 6953.150254][ T74] inet6_addr_add+0x30e/0xa40 [ 6953.150254][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6953.150254][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6953.150254][ T74] netlink_rcv_skb+0x130/0x360 [ 6953.150254][ T74] netlink_unicast+0x449/0x710 [ 6953.150254][ T74] netlink_sendmsg+0x723/0xbe0 [ 6953.150254][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6953.150254][ T74] ___sys_sendmsg+0xee/0x170 [ 6953.150254][ T74] __sys_sendmsg+0xcd/0x170 [ 6953.150254][ T74] do_syscall_64+0xc6/0x1e0 [ 6953.150254][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6953.150254][ T74] [ 6953.152248][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6953.152248][ T74] netdev_get_by_index+0x5e/0x80 [ 6953.152248][ T74] fib6_nh_init+0x3d8/0x1580 [ 6953.152248][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6953.152248][ T74] ip6_route_add+0x1c/0x140 [ 6953.152248][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6953.152248][ T74] addrconf_add_dev+0xe2/0x170 [ 6953.152248][ T74] inet6_addr_add+0x12f/0xa40 [ 6953.152248][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6953.152248][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6953.152248][ T74] netlink_rcv_skb+0x130/0x360 [ 6953.152248][ T74] netlink_unicast+0x449/0x710 [ 6953.152248][ T74] netlink_sendmsg+0x723/0xbe0 [ 6953.152248][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6953.152248][ T74] ___sys_sendmsg+0xee/0x170 [ 6953.152248][ T74] __sys_sendmsg+0xcd/0x170 [ 6953.152248][ T74] do_syscall_64+0xc6/0x1e0 [ 6953.152248][ T74] [ 6953.154260][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6953.154260][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6953.154260][ T74] ipv6_find_idev+0x102/0x170 [ 6953.154260][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6953.154260][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6953.154260][ T74] netlink_rcv_skb+0x130/0x360 [ 6953.154260][ T74] netlink_unicast+0x449/0x710 [ 6953.154260][ T74] netlink_sendmsg+0x723/0xbe0 [ 6953.154260][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6953.154260][ T74] ___sys_sendmsg+0xee/0x170 [ 6953.154260][ T74] __sys_sendmsg+0xcd/0x170 [ 6953.154260][ T74] do_syscall_64+0xc6/0x1e0 [ 6953.154260][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6953.154260][ T74] [ 6953.155810][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6953.155810][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6953.155810][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6953.155810][ T74] ipv6_find_idev+0x102/0x170 [ 6953.155810][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6953.155810][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6953.155810][ T74] netlink_rcv_skb+0x130/0x360 [ 6953.155810][ T74] netlink_unicast+0x449/0x710 [ 6953.155810][ T74] netlink_sendmsg+0x723/0xbe0 [ 6953.155810][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6953.155810][ T74] ___sys_sendmsg+0xee/0x170 [ 6953.155810][ T74] __sys_sendmsg+0xcd/0x170 [ 6953.155810][ T74] do_syscall_64+0xc6/0x1e0 [ 6953.155810][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6953.155810][ T74] [ 6953.157511][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6953.157790][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6953.157790][ T74] dst_init+0x84/0x4a0 [ 6953.157790][ T74] dst_alloc+0x97/0x150 [ 6953.157790][ T74] ip6_dst_alloc+0x23/0x90 [ 6953.157790][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6953.157790][ T74] ip6_pol_route+0x56f/0x840 [ 6953.157790][ T74] fib6_rule_lookup+0x456/0x630 [ 6953.157790][ T74] ip6_route_input+0x59c/0xa50 [ 6953.157790][ T74] ipv6_rcv+0x397/0x810 [ 6953.157790][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6953.157790][ T74] process_backlog+0x101/0x620 [ 6953.157790][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6953.157790][ T74] net_rx_action+0x495/0xbe0 [ 6953.157790][ T74] __do_softirq+0x1b5/0x7f6 [ 6953.157790][ T74] [ 6953.159418][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6953.159418][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6953.159418][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6953.159418][ T74] fib6_nh_init+0xa22/0x1580 [ 6953.159418][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6953.159418][ T74] ip6_route_add+0x1c/0x140 [ 6953.159418][ T74] inet6_rtm_newroute+0x104/0x110 [ 6953.159418][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6953.159418][ T74] netlink_rcv_skb+0x130/0x360 [ 6953.159418][ T74] netlink_unicast+0x449/0x710 [ 6953.159418][ T74] netlink_sendmsg+0x723/0xbe0 [ 6953.159418][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6953.159418][ T74] ___sys_sendmsg+0xee/0x170 [ 6953.159418][ T74] __sys_sendmsg+0xcd/0x170 [ 6953.159418][ T74] do_syscall_64+0xc6/0x1e0 [ 6953.159418][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6953.159418][ T74] [ 6953.161279][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6953.161279][ T74] netdev_get_by_index+0x5e/0x80 [ 6953.161279][ T74] fib6_nh_init+0x3d8/0x1580 [ 6953.161279][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6953.161279][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6953.161279][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6953.161279][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6953.161279][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6953.161279][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6953.161279][ T74] addrconf_dad_begin+0x310/0x670 [ 6953.161279][ T74] addrconf_dad_work+0x10b/0xab0 [ 6953.161279][ T74] process_one_work+0x84d/0x18a0 [ 6953.161279][ T74] worker_thread+0x587/0xd30 [ 6953.161279][ T74] kthread+0x28a/0x350 [ 6953.161279][ T74] ret_from_fork+0x31/0x70 [ 6953.161279][ T74] ret_from_fork_asm+0x1a/0x30 [ 6953.161279][ T74] [ 6953.163176][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6953.163176][ T74] netdev_get_by_index+0x5e/0x80 [ 6953.163176][ T74] fib6_nh_init+0x3d8/0x1580 [ 6953.163176][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6953.163176][ T74] ip6_route_add+0x1c/0x140 [ 6953.163176][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6953.163176][ T74] inet6_addr_add+0x4f8/0xa40 [ 6953.163176][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6953.163176][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6953.163176][ T74] netlink_rcv_skb+0x130/0x360 [ 6953.163176][ T74] netlink_unicast+0x449/0x710 [ 6953.163176][ T74] netlink_sendmsg+0x723/0xbe0 [ 6953.163176][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6953.163176][ T74] ___sys_sendmsg+0xee/0x170 [ 6953.163176][ T74] __sys_sendmsg+0xcd/0x170 [ 6953.163176][ T74] do_syscall_64+0xc6/0x1e0 [ 6953.163176][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6953.163176][ T74] [ 6953.165165][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6953.165165][ T74] netdev_get_by_index+0x5e/0x80 [ 6953.165165][ T74] fib6_nh_init+0x3d8/0x1580 [ 6953.165165][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6953.165165][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6953.165165][ T74] ipv6_add_addr+0x411/0x2000 [ 6953.165165][ T74] inet6_addr_add+0x30e/0xa40 [ 6953.165165][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6953.165165][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6953.165165][ T74] netlink_rcv_skb+0x130/0x360 [ 6953.165165][ T74] netlink_unicast+0x449/0x710 [ 6953.165165][ T74] netlink_sendmsg+0x723/0xbe0 [ 6953.165165][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6953.165165][ T74] ___sys_sendmsg+0xee/0x170 [ 6953.165165][ T74] __sys_sendmsg+0xcd/0x170 [ 6953.165165][ T74] do_syscall_64+0xc6/0x1e0 [ 6953.165165][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6953.165165][ T74] [ 6953.167177][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6953.167177][ T74] netdev_get_by_index+0x5e/0x80 [ 6953.167177][ T74] fib6_nh_init+0x3d8/0x1580 [ 6953.167177][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6953.167177][ T74] ip6_route_add+0x1c/0x140 [ 6953.167177][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6953.167177][ T74] addrconf_add_dev+0xe2/0x170 [ 6953.167177][ T74] inet6_addr_add+0x12f/0xa40 [ 6953.167177][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6953.167177][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6953.167177][ T74] netlink_rcv_skb+0x130/0x360 [ 6953.167177][ T74] netlink_unicast+0x449/0x710 [ 6953.167177][ T74] netlink_sendmsg+0x723/0xbe0 [ 6953.167177][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6953.167177][ T74] ___sys_sendmsg+0xee/0x170 [ 6953.167177][ T74] __sys_sendmsg+0xcd/0x170 [ 6953.167177][ T74] do_syscall_64+0xc6/0x1e0 [ 6953.167177][ T74] [ 6953.169125][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6953.169125][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6953.169125][ T74] ipv6_find_idev+0x102/0x170 [ 6953.169125][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6953.169125][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6953.169125][ T74] netlink_rcv_skb+0x130/0x360 [ 6953.169125][ T74] netlink_unicast+0x449/0x710 [ 6953.169125][ T74] netlink_sendmsg+0x723/0xbe0 [ 6953.169125][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6953.169125][ T74] ___sys_sendmsg+0xee/0x170 [ 6953.169125][ T74] __sys_sendmsg+0xcd/0x170 [ 6953.169125][ T74] do_syscall_64+0xc6/0x1e0 [ 6953.169125][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6953.169125][ T74] [ 6953.170776][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6953.170776][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6953.170776][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6953.170776][ T74] ipv6_find_idev+0x102/0x170 [ 6953.170776][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6953.170776][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6953.170776][ T74] netlink_rcv_skb+0x130/0x360 [ 6953.170776][ T74] netlink_unicast+0x449/0x710 [ 6953.170776][ T74] netlink_sendmsg+0x723/0xbe0 [ 6953.170776][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6953.170776][ T74] ___sys_sendmsg+0xee/0x170 [ 6953.170776][ T74] __sys_sendmsg+0xcd/0x170 [ 6953.170776][ T74] do_syscall_64+0xc6/0x1e0 [ 6953.170776][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6953.170776][ T74] [ 6953.172697][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6953.173011][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6953.173011][ T74] netdev_get_by_index+0x5e/0x80 [ 6953.173011][ T74] fib6_nh_init+0x3d8/0x1580 [ 6953.173011][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6953.173011][ T74] ip6_route_add+0x1c/0x140 [ 6953.173011][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6953.173011][ T74] inet6_addr_add+0x4f8/0xa40 [ 6953.173011][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6953.173011][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6953.173011][ T74] netlink_rcv_skb+0x130/0x360 [ 6953.173011][ T74] netlink_unicast+0x449/0x710 [ 6953.173011][ T74] netlink_sendmsg+0x723/0xbe0 [ 6953.173011][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6953.173011][ T74] ___sys_sendmsg+0xee/0x170 [ 6953.173011][ T74] __sys_sendmsg+0xcd/0x170 [ 6953.173011][ T74] do_syscall_64+0xc6/0x1e0 [ 6953.173011][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6953.173011][ T74] [ 6953.175176][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6953.175176][ T74] netdev_get_by_index+0x5e/0x80 [ 6953.175176][ T74] fib6_nh_init+0x3d8/0x1580 [ 6953.175176][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6953.175176][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6953.175176][ T74] ipv6_add_addr+0x411/0x2000 [ 6953.175176][ T74] inet6_addr_add+0x30e/0xa40 [ 6953.175176][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6953.175176][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6953.175176][ T74] netlink_rcv_skb+0x130/0x360 [ 6953.175176][ T74] netlink_unicast+0x449/0x710 [ 6953.175176][ T74] netlink_sendmsg+0x723/0xbe0 [ 6953.175176][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6953.175176][ T74] ___sys_sendmsg+0xee/0x170 [ 6953.175176][ T74] __sys_sendmsg+0xcd/0x170 [ 6953.175176][ T74] do_syscall_64+0xc6/0x1e0 [ 6953.175176][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6953.175176][ T74] [ 6953.177343][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6953.177343][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6953.177343][ T74] ipv6_find_idev+0x102/0x170 [ 6953.177343][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6953.177343][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6953.177343][ T74] netlink_rcv_skb+0x130/0x360 [ 6953.177343][ T74] netlink_unicast+0x449/0x710 [ 6953.177343][ T74] netlink_sendmsg+0x723/0xbe0 [ 6953.177343][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6953.177343][ T74] ___sys_sendmsg+0xee/0x170 [ 6953.177343][ T74] __sys_sendmsg+0xcd/0x170 [ 6953.177343][ T74] do_syscall_64+0xc6/0x1e0 [ 6953.177343][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6953.177343][ T74] [ 6953.179055][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6953.179055][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6953.179055][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6953.179055][ T74] ipv6_find_idev+0x102/0x170 [ 6953.179055][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6953.179055][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6953.179055][ T74] netlink_rcv_skb+0x130/0x360 [ 6953.179055][ T74] netlink_unicast+0x449/0x710 [ 6953.179055][ T74] netlink_sendmsg+0x723/0xbe0 [ 6953.179055][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6953.179055][ T74] ___sys_sendmsg+0xee/0x170 [ 6953.179055][ T74] __sys_sendmsg+0xcd/0x170 [ 6953.179055][ T74] do_syscall_64+0xc6/0x1e0 [ 6953.179055][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6953.179055][ T74] [ 6963.423950][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6963.424433][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6963.424433][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6963.424433][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6963.424433][ T74] fib6_nh_init+0xa22/0x1580 [ 6963.424433][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6963.424433][ T74] ip6_route_add+0x1c/0x140 [ 6963.424433][ T74] inet6_rtm_newroute+0x104/0x110 [ 6963.424433][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6963.424433][ T74] netlink_rcv_skb+0x130/0x360 [ 6963.424433][ T74] netlink_unicast+0x449/0x710 [ 6963.424433][ T74] netlink_sendmsg+0x723/0xbe0 [ 6963.424433][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6963.424433][ T74] ___sys_sendmsg+0xee/0x170 [ 6963.424433][ T74] __sys_sendmsg+0xcd/0x170 [ 6963.424433][ T74] do_syscall_64+0xc6/0x1e0 [ 6963.424433][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6963.424433][ T74] [ 6963.426348][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6963.426348][ T74] netdev_get_by_index+0x5e/0x80 [ 6963.426348][ T74] fib6_nh_init+0x3d8/0x1580 [ 6963.426348][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6963.426348][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6963.426348][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6963.426348][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6963.426348][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6963.426348][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6963.426348][ T74] addrconf_dad_begin+0x310/0x670 [ 6963.426348][ T74] addrconf_dad_work+0x10b/0xab0 [ 6963.426348][ T74] process_one_work+0x84d/0x18a0 [ 6963.426348][ T74] worker_thread+0x587/0xd30 [ 6963.426348][ T74] kthread+0x28a/0x350 [ 6963.426348][ T74] ret_from_fork+0x31/0x70 [ 6963.426348][ T74] ret_from_fork_asm+0x1a/0x30 [ 6963.426348][ T74] [ 6963.428262][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6963.428262][ T74] netdev_get_by_index+0x5e/0x80 [ 6963.428262][ T74] fib6_nh_init+0x3d8/0x1580 [ 6963.428262][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6963.428262][ T74] ip6_route_add+0x1c/0x140 [ 6963.428262][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6963.428262][ T74] inet6_addr_add+0x4f8/0xa40 [ 6963.428262][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6963.428262][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6963.428262][ T74] netlink_rcv_skb+0x130/0x360 [ 6963.428262][ T74] netlink_unicast+0x449/0x710 [ 6963.428262][ T74] netlink_sendmsg+0x723/0xbe0 [ 6963.428262][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6963.428262][ T74] ___sys_sendmsg+0xee/0x170 [ 6963.428262][ T74] __sys_sendmsg+0xcd/0x170 [ 6963.428262][ T74] do_syscall_64+0xc6/0x1e0 [ 6963.428262][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6963.428262][ T74] [ 6963.430254][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6963.430254][ T74] netdev_get_by_index+0x5e/0x80 [ 6963.430254][ T74] fib6_nh_init+0x3d8/0x1580 [ 6963.430254][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6963.430254][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6963.430254][ T74] ipv6_add_addr+0x411/0x2000 [ 6963.430254][ T74] inet6_addr_add+0x30e/0xa40 [ 6963.430254][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6963.430254][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6963.430254][ T74] netlink_rcv_skb+0x130/0x360 [ 6963.430254][ T74] netlink_unicast+0x449/0x710 [ 6963.430254][ T74] netlink_sendmsg+0x723/0xbe0 [ 6963.430254][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6963.430254][ T74] ___sys_sendmsg+0xee/0x170 [ 6963.430254][ T74] __sys_sendmsg+0xcd/0x170 [ 6963.430254][ T74] do_syscall_64+0xc6/0x1e0 [ 6963.430254][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6963.430254][ T74] [ 6963.432264][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6963.432264][ T74] netdev_get_by_index+0x5e/0x80 [ 6963.432264][ T74] fib6_nh_init+0x3d8/0x1580 [ 6963.432264][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6963.432264][ T74] ip6_route_add+0x1c/0x140 [ 6963.432264][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6963.432264][ T74] addrconf_add_dev+0xe2/0x170 [ 6963.432264][ T74] inet6_addr_add+0x12f/0xa40 [ 6963.432264][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6963.432264][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6963.432264][ T74] netlink_rcv_skb+0x130/0x360 [ 6963.432264][ T74] netlink_unicast+0x449/0x710 [ 6963.432264][ T74] netlink_sendmsg+0x723/0xbe0 [ 6963.432264][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6963.432264][ T74] ___sys_sendmsg+0xee/0x170 [ 6963.432264][ T74] __sys_sendmsg+0xcd/0x170 [ 6963.432264][ T74] do_syscall_64+0xc6/0x1e0 [ 6963.432264][ T74] [ 6963.434227][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6963.434227][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6963.434227][ T74] ipv6_find_idev+0x102/0x170 [ 6963.434227][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6963.434227][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6963.434227][ T74] netlink_rcv_skb+0x130/0x360 [ 6963.434227][ T74] netlink_unicast+0x449/0x710 [ 6963.434227][ T74] netlink_sendmsg+0x723/0xbe0 [ 6963.434227][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6963.434227][ T74] ___sys_sendmsg+0xee/0x170 [ 6963.434227][ T74] __sys_sendmsg+0xcd/0x170 [ 6963.434227][ T74] do_syscall_64+0xc6/0x1e0 [ 6963.434227][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6963.434227][ T74] [ 6963.435773][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6963.435773][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6963.435773][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6963.435773][ T74] ipv6_find_idev+0x102/0x170 [ 6963.435773][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6963.435773][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6963.435773][ T74] netlink_rcv_skb+0x130/0x360 [ 6963.435773][ T74] netlink_unicast+0x449/0x710 [ 6963.435773][ T74] netlink_sendmsg+0x723/0xbe0 [ 6963.435773][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6963.435773][ T74] ___sys_sendmsg+0xee/0x170 [ 6963.435773][ T74] __sys_sendmsg+0xcd/0x170 [ 6963.435773][ T74] do_syscall_64+0xc6/0x1e0 [ 6963.435773][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6963.435773][ T74] [ 6963.437463][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6963.437738][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6963.437738][ T74] dst_init+0x84/0x4a0 [ 6963.437738][ T74] dst_alloc+0x97/0x150 [ 6963.437738][ T74] ip6_dst_alloc+0x23/0x90 [ 6963.437738][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6963.437738][ T74] ip6_pol_route+0x56f/0x840 [ 6963.437738][ T74] fib6_rule_lookup+0x456/0x630 [ 6963.437738][ T74] ip6_route_input+0x59c/0xa50 [ 6963.437738][ T74] ipv6_rcv+0x397/0x810 [ 6963.437738][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6963.437738][ T74] process_backlog+0x101/0x620 [ 6963.437738][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6963.437738][ T74] net_rx_action+0x495/0xbe0 [ 6963.437738][ T74] __do_softirq+0x1b5/0x7f6 [ 6963.437738][ T74] [ 6963.439366][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6963.439366][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6963.439366][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6963.439366][ T74] fib6_nh_init+0xa22/0x1580 [ 6963.439366][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6963.439366][ T74] ip6_route_add+0x1c/0x140 [ 6963.439366][ T74] inet6_rtm_newroute+0x104/0x110 [ 6963.439366][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6963.439366][ T74] netlink_rcv_skb+0x130/0x360 [ 6963.439366][ T74] netlink_unicast+0x449/0x710 [ 6963.439366][ T74] netlink_sendmsg+0x723/0xbe0 [ 6963.439366][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6963.439366][ T74] ___sys_sendmsg+0xee/0x170 [ 6963.439366][ T74] __sys_sendmsg+0xcd/0x170 [ 6963.439366][ T74] do_syscall_64+0xc6/0x1e0 [ 6963.439366][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6963.439366][ T74] [ 6963.441234][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6963.441234][ T74] netdev_get_by_index+0x5e/0x80 [ 6963.441234][ T74] fib6_nh_init+0x3d8/0x1580 [ 6963.441234][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6963.441234][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6963.441234][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6963.441234][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6963.441234][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6963.441234][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6963.441234][ T74] addrconf_dad_begin+0x310/0x670 [ 6963.441234][ T74] addrconf_dad_work+0x10b/0xab0 [ 6963.441234][ T74] process_one_work+0x84d/0x18a0 [ 6963.441234][ T74] worker_thread+0x587/0xd30 [ 6963.441234][ T74] kthread+0x28a/0x350 [ 6963.441234][ T74] ret_from_fork+0x31/0x70 [ 6963.441234][ T74] ret_from_fork_asm+0x1a/0x30 [ 6963.441234][ T74] [ 6963.443139][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6963.443139][ T74] netdev_get_by_index+0x5e/0x80 [ 6963.443139][ T74] fib6_nh_init+0x3d8/0x1580 [ 6963.443139][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6963.443139][ T74] ip6_route_add+0x1c/0x140 [ 6963.443139][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6963.443139][ T74] inet6_addr_add+0x4f8/0xa40 [ 6963.443139][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6963.443139][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6963.443139][ T74] netlink_rcv_skb+0x130/0x360 [ 6963.443139][ T74] netlink_unicast+0x449/0x710 [ 6963.443139][ T74] netlink_sendmsg+0x723/0xbe0 [ 6963.443139][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6963.443139][ T74] ___sys_sendmsg+0xee/0x170 [ 6963.443139][ T74] __sys_sendmsg+0xcd/0x170 [ 6963.443139][ T74] do_syscall_64+0xc6/0x1e0 [ 6963.443139][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6963.443139][ T74] [ 6963.445129][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6963.445129][ T74] netdev_get_by_index+0x5e/0x80 [ 6963.445129][ T74] fib6_nh_init+0x3d8/0x1580 [ 6963.445129][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6963.445129][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6963.445129][ T74] ipv6_add_addr+0x411/0x2000 [ 6963.445129][ T74] inet6_addr_add+0x30e/0xa40 [ 6963.445129][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6963.445129][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6963.445129][ T74] netlink_rcv_skb+0x130/0x360 [ 6963.445129][ T74] netlink_unicast+0x449/0x710 [ 6963.445129][ T74] netlink_sendmsg+0x723/0xbe0 [ 6963.445129][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6963.445129][ T74] ___sys_sendmsg+0xee/0x170 [ 6963.445129][ T74] __sys_sendmsg+0xcd/0x170 [ 6963.445129][ T74] do_syscall_64+0xc6/0x1e0 [ 6963.445129][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6963.445129][ T74] [ 6963.447128][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6963.447128][ T74] netdev_get_by_index+0x5e/0x80 [ 6963.447128][ T74] fib6_nh_init+0x3d8/0x1580 [ 6963.447128][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6963.447128][ T74] ip6_route_add+0x1c/0x140 [ 6963.447128][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6963.447128][ T74] addrconf_add_dev+0xe2/0x170 [ 6963.447128][ T74] inet6_addr_add+0x12f/0xa40 [ 6963.447128][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6963.447128][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6963.447128][ T74] netlink_rcv_skb+0x130/0x360 [ 6963.447128][ T74] netlink_unicast+0x449/0x710 [ 6963.447128][ T74] netlink_sendmsg+0x723/0xbe0 [ 6963.447128][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6963.447128][ T74] ___sys_sendmsg+0xee/0x170 [ 6963.447128][ T74] __sys_sendmsg+0xcd/0x170 [ 6963.447128][ T74] do_syscall_64+0xc6/0x1e0 [ 6963.447128][ T74] [ 6963.449086][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6963.449086][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6963.449086][ T74] ipv6_find_idev+0x102/0x170 [ 6963.449086][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6963.449086][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6963.449086][ T74] netlink_rcv_skb+0x130/0x360 [ 6963.449086][ T74] netlink_unicast+0x449/0x710 [ 6963.449086][ T74] netlink_sendmsg+0x723/0xbe0 [ 6963.449086][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6963.449086][ T74] ___sys_sendmsg+0xee/0x170 [ 6963.449086][ T74] __sys_sendmsg+0xcd/0x170 [ 6963.449086][ T74] do_syscall_64+0xc6/0x1e0 [ 6963.449086][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6963.449086][ T74] [ 6963.450778][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6963.450778][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6963.450778][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6963.450778][ T74] ipv6_find_idev+0x102/0x170 [ 6963.450778][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6963.450778][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6963.450778][ T74] netlink_rcv_skb+0x130/0x360 [ 6963.450778][ T74] netlink_unicast+0x449/0x710 [ 6963.450778][ T74] netlink_sendmsg+0x723/0xbe0 [ 6963.450778][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6963.450778][ T74] ___sys_sendmsg+0xee/0x170 [ 6963.450778][ T74] __sys_sendmsg+0xcd/0x170 [ 6963.450778][ T74] do_syscall_64+0xc6/0x1e0 [ 6963.450778][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6963.450778][ T74] [ 6963.452708][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6963.453015][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6963.453015][ T74] netdev_get_by_index+0x5e/0x80 [ 6963.453015][ T74] fib6_nh_init+0x3d8/0x1580 [ 6963.453015][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6963.453015][ T74] ip6_route_add+0x1c/0x140 [ 6963.453015][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6963.453015][ T74] inet6_addr_add+0x4f8/0xa40 [ 6963.453015][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6963.453015][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6963.453015][ T74] netlink_rcv_skb+0x130/0x360 [ 6963.453015][ T74] netlink_unicast+0x449/0x710 [ 6963.453015][ T74] netlink_sendmsg+0x723/0xbe0 [ 6963.453015][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6963.453015][ T74] ___sys_sendmsg+0xee/0x170 [ 6963.453015][ T74] __sys_sendmsg+0xcd/0x170 [ 6963.453015][ T74] do_syscall_64+0xc6/0x1e0 [ 6963.453015][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6963.453015][ T74] [ 6963.455253][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6963.455253][ T74] netdev_get_by_index+0x5e/0x80 [ 6963.455253][ T74] fib6_nh_init+0x3d8/0x1580 [ 6963.455253][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6963.455253][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6963.455253][ T74] ipv6_add_addr+0x411/0x2000 [ 6963.455253][ T74] inet6_addr_add+0x30e/0xa40 [ 6963.455253][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6963.455253][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6963.455253][ T74] netlink_rcv_skb+0x130/0x360 [ 6963.455253][ T74] netlink_unicast+0x449/0x710 [ 6963.455253][ T74] netlink_sendmsg+0x723/0xbe0 [ 6963.455253][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6963.455253][ T74] ___sys_sendmsg+0xee/0x170 [ 6963.455253][ T74] __sys_sendmsg+0xcd/0x170 [ 6963.455253][ T74] do_syscall_64+0xc6/0x1e0 [ 6963.455253][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6963.455253][ T74] [ 6963.457430][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6963.457430][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6963.457430][ T74] ipv6_find_idev+0x102/0x170 [ 6963.457430][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6963.457430][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6963.457430][ T74] netlink_rcv_skb+0x130/0x360 [ 6963.457430][ T74] netlink_unicast+0x449/0x710 [ 6963.457430][ T74] netlink_sendmsg+0x723/0xbe0 [ 6963.457430][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6963.457430][ T74] ___sys_sendmsg+0xee/0x170 [ 6963.457430][ T74] __sys_sendmsg+0xcd/0x170 [ 6963.457430][ T74] do_syscall_64+0xc6/0x1e0 [ 6963.457430][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6963.457430][ T74] [ 6963.459144][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6963.459144][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6963.459144][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6963.459144][ T74] ipv6_find_idev+0x102/0x170 [ 6963.459144][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6963.459144][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6963.459144][ T74] netlink_rcv_skb+0x130/0x360 [ 6963.459144][ T74] netlink_unicast+0x449/0x710 [ 6963.459144][ T74] netlink_sendmsg+0x723/0xbe0 [ 6963.459144][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6963.459144][ T74] ___sys_sendmsg+0xee/0x170 [ 6963.459144][ T74] __sys_sendmsg+0xcd/0x170 [ 6963.459144][ T74] do_syscall_64+0xc6/0x1e0 [ 6963.459144][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6963.459144][ T74] [ 6973.703958][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6973.704381][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6973.704381][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6973.704381][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6973.704381][ T74] fib6_nh_init+0xa22/0x1580 [ 6973.704381][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6973.704381][ T74] ip6_route_add+0x1c/0x140 [ 6973.704381][ T74] inet6_rtm_newroute+0x104/0x110 [ 6973.704381][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6973.704381][ T74] netlink_rcv_skb+0x130/0x360 [ 6973.704381][ T74] netlink_unicast+0x449/0x710 [ 6973.704381][ T74] netlink_sendmsg+0x723/0xbe0 [ 6973.704381][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6973.704381][ T74] ___sys_sendmsg+0xee/0x170 [ 6973.704381][ T74] __sys_sendmsg+0xcd/0x170 [ 6973.704381][ T74] do_syscall_64+0xc6/0x1e0 [ 6973.704381][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6973.704381][ T74] [ 6973.706283][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6973.706283][ T74] netdev_get_by_index+0x5e/0x80 [ 6973.706283][ T74] fib6_nh_init+0x3d8/0x1580 [ 6973.706283][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6973.706283][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6973.706283][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6973.706283][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6973.706283][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6973.706283][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6973.706283][ T74] addrconf_dad_begin+0x310/0x670 [ 6973.706283][ T74] addrconf_dad_work+0x10b/0xab0 [ 6973.706283][ T74] process_one_work+0x84d/0x18a0 [ 6973.706283][ T74] worker_thread+0x587/0xd30 [ 6973.706283][ T74] kthread+0x28a/0x350 [ 6973.706283][ T74] ret_from_fork+0x31/0x70 [ 6973.706283][ T74] ret_from_fork_asm+0x1a/0x30 [ 6973.706283][ T74] [ 6973.708189][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6973.708189][ T74] netdev_get_by_index+0x5e/0x80 [ 6973.708189][ T74] fib6_nh_init+0x3d8/0x1580 [ 6973.708189][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6973.708189][ T74] ip6_route_add+0x1c/0x140 [ 6973.708189][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6973.708189][ T74] inet6_addr_add+0x4f8/0xa40 [ 6973.708189][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6973.708189][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6973.708189][ T74] netlink_rcv_skb+0x130/0x360 [ 6973.708189][ T74] netlink_unicast+0x449/0x710 [ 6973.708189][ T74] netlink_sendmsg+0x723/0xbe0 [ 6973.708189][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6973.708189][ T74] ___sys_sendmsg+0xee/0x170 [ 6973.708189][ T74] __sys_sendmsg+0xcd/0x170 [ 6973.708189][ T74] do_syscall_64+0xc6/0x1e0 [ 6973.708189][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6973.708189][ T74] [ 6973.710175][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6973.710175][ T74] netdev_get_by_index+0x5e/0x80 [ 6973.710175][ T74] fib6_nh_init+0x3d8/0x1580 [ 6973.710175][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6973.710175][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6973.710175][ T74] ipv6_add_addr+0x411/0x2000 [ 6973.710175][ T74] inet6_addr_add+0x30e/0xa40 [ 6973.710175][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6973.710175][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6973.710175][ T74] netlink_rcv_skb+0x130/0x360 [ 6973.710175][ T74] netlink_unicast+0x449/0x710 [ 6973.710175][ T74] netlink_sendmsg+0x723/0xbe0 [ 6973.710175][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6973.710175][ T74] ___sys_sendmsg+0xee/0x170 [ 6973.710175][ T74] __sys_sendmsg+0xcd/0x170 [ 6973.710175][ T74] do_syscall_64+0xc6/0x1e0 [ 6973.710175][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6973.710175][ T74] [ 6973.712178][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6973.712178][ T74] netdev_get_by_index+0x5e/0x80 [ 6973.712178][ T74] fib6_nh_init+0x3d8/0x1580 [ 6973.712178][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6973.712178][ T74] ip6_route_add+0x1c/0x140 [ 6973.712178][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6973.712178][ T74] addrconf_add_dev+0xe2/0x170 [ 6973.712178][ T74] inet6_addr_add+0x12f/0xa40 [ 6973.712178][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6973.712178][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6973.712178][ T74] netlink_rcv_skb+0x130/0x360 [ 6973.712178][ T74] netlink_unicast+0x449/0x710 [ 6973.712178][ T74] netlink_sendmsg+0x723/0xbe0 [ 6973.712178][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6973.712178][ T74] ___sys_sendmsg+0xee/0x170 [ 6973.712178][ T74] __sys_sendmsg+0xcd/0x170 [ 6973.712178][ T74] do_syscall_64+0xc6/0x1e0 [ 6973.712178][ T74] [ 6973.714126][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6973.714126][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6973.714126][ T74] ipv6_find_idev+0x102/0x170 [ 6973.714126][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6973.714126][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6973.714126][ T74] netlink_rcv_skb+0x130/0x360 [ 6973.714126][ T74] netlink_unicast+0x449/0x710 [ 6973.714126][ T74] netlink_sendmsg+0x723/0xbe0 [ 6973.714126][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6973.714126][ T74] ___sys_sendmsg+0xee/0x170 [ 6973.714126][ T74] __sys_sendmsg+0xcd/0x170 [ 6973.714126][ T74] do_syscall_64+0xc6/0x1e0 [ 6973.714126][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6973.714126][ T74] [ 6973.715655][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6973.715655][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6973.715655][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6973.715655][ T74] ipv6_find_idev+0x102/0x170 [ 6973.715655][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6973.715655][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6973.715655][ T74] netlink_rcv_skb+0x130/0x360 [ 6973.715655][ T74] netlink_unicast+0x449/0x710 [ 6973.715655][ T74] netlink_sendmsg+0x723/0xbe0 [ 6973.715655][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6973.715655][ T74] ___sys_sendmsg+0xee/0x170 [ 6973.715655][ T74] __sys_sendmsg+0xcd/0x170 [ 6973.715655][ T74] do_syscall_64+0xc6/0x1e0 [ 6973.715655][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6973.715655][ T74] [ 6973.717339][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6973.717611][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6973.717611][ T74] dst_init+0x84/0x4a0 [ 6973.717611][ T74] dst_alloc+0x97/0x150 [ 6973.717611][ T74] ip6_dst_alloc+0x23/0x90 [ 6973.717611][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6973.717611][ T74] ip6_pol_route+0x56f/0x840 [ 6973.717611][ T74] fib6_rule_lookup+0x456/0x630 [ 6973.717611][ T74] ip6_route_input+0x59c/0xa50 [ 6973.717611][ T74] ipv6_rcv+0x397/0x810 [ 6973.717611][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6973.717611][ T74] process_backlog+0x101/0x620 [ 6973.717611][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6973.717611][ T74] net_rx_action+0x495/0xbe0 [ 6973.717611][ T74] __do_softirq+0x1b5/0x7f6 [ 6973.717611][ T74] [ 6973.719240][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6973.719240][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6973.719240][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6973.719240][ T74] fib6_nh_init+0xa22/0x1580 [ 6973.719240][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6973.719240][ T74] ip6_route_add+0x1c/0x140 [ 6973.719240][ T74] inet6_rtm_newroute+0x104/0x110 [ 6973.719240][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6973.719240][ T74] netlink_rcv_skb+0x130/0x360 [ 6973.719240][ T74] netlink_unicast+0x449/0x710 [ 6973.719240][ T74] netlink_sendmsg+0x723/0xbe0 [ 6973.719240][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6973.719240][ T74] ___sys_sendmsg+0xee/0x170 [ 6973.719240][ T74] __sys_sendmsg+0xcd/0x170 [ 6973.719240][ T74] do_syscall_64+0xc6/0x1e0 [ 6973.719240][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6973.719240][ T74] [ 6973.721099][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6973.721099][ T74] netdev_get_by_index+0x5e/0x80 [ 6973.721099][ T74] fib6_nh_init+0x3d8/0x1580 [ 6973.721099][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6973.721099][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6973.721099][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6973.721099][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6973.721099][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6973.721099][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6973.721099][ T74] addrconf_dad_begin+0x310/0x670 [ 6973.721099][ T74] addrconf_dad_work+0x10b/0xab0 [ 6973.721099][ T74] process_one_work+0x84d/0x18a0 [ 6973.721099][ T74] worker_thread+0x587/0xd30 [ 6973.721099][ T74] kthread+0x28a/0x350 [ 6973.721099][ T74] ret_from_fork+0x31/0x70 [ 6973.721099][ T74] ret_from_fork_asm+0x1a/0x30 [ 6973.721099][ T74] [ 6973.722993][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6973.722993][ T74] netdev_get_by_index+0x5e/0x80 [ 6973.722993][ T74] fib6_nh_init+0x3d8/0x1580 [ 6973.722993][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6973.722993][ T74] ip6_route_add+0x1c/0x140 [ 6973.722993][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6973.722993][ T74] inet6_addr_add+0x4f8/0xa40 [ 6973.722993][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6973.722993][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6973.722993][ T74] netlink_rcv_skb+0x130/0x360 [ 6973.722993][ T74] netlink_unicast+0x449/0x710 [ 6973.722993][ T74] netlink_sendmsg+0x723/0xbe0 [ 6973.722993][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6973.722993][ T74] ___sys_sendmsg+0xee/0x170 [ 6973.722993][ T74] __sys_sendmsg+0xcd/0x170 [ 6973.722993][ T74] do_syscall_64+0xc6/0x1e0 [ 6973.722993][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6973.722993][ T74] [ 6973.724979][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6973.724979][ T74] netdev_get_by_index+0x5e/0x80 [ 6973.724979][ T74] fib6_nh_init+0x3d8/0x1580 [ 6973.724979][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6973.724979][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6973.724979][ T74] ipv6_add_addr+0x411/0x2000 [ 6973.724979][ T74] inet6_addr_add+0x30e/0xa40 [ 6973.724979][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6973.724979][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6973.724979][ T74] netlink_rcv_skb+0x130/0x360 [ 6973.724979][ T74] netlink_unicast+0x449/0x710 [ 6973.724979][ T74] netlink_sendmsg+0x723/0xbe0 [ 6973.724979][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6973.724979][ T74] ___sys_sendmsg+0xee/0x170 [ 6973.724979][ T74] __sys_sendmsg+0xcd/0x170 [ 6973.724979][ T74] do_syscall_64+0xc6/0x1e0 [ 6973.724979][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6973.724979][ T74] [ 6973.726971][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6973.726971][ T74] netdev_get_by_index+0x5e/0x80 [ 6973.726971][ T74] fib6_nh_init+0x3d8/0x1580 [ 6973.726971][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6973.726971][ T74] ip6_route_add+0x1c/0x140 [ 6973.726971][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6973.726971][ T74] addrconf_add_dev+0xe2/0x170 [ 6973.726971][ T74] inet6_addr_add+0x12f/0xa40 [ 6973.726971][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6973.726971][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6973.726971][ T74] netlink_rcv_skb+0x130/0x360 [ 6973.726971][ T74] netlink_unicast+0x449/0x710 [ 6973.726971][ T74] netlink_sendmsg+0x723/0xbe0 [ 6973.726971][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6973.726971][ T74] ___sys_sendmsg+0xee/0x170 [ 6973.726971][ T74] __sys_sendmsg+0xcd/0x170 [ 6973.726971][ T74] do_syscall_64+0xc6/0x1e0 [ 6973.726971][ T74] [ 6973.728934][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6973.728934][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6973.728934][ T74] ipv6_find_idev+0x102/0x170 [ 6973.728934][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6973.728934][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6973.728934][ T74] netlink_rcv_skb+0x130/0x360 [ 6973.728934][ T74] netlink_unicast+0x449/0x710 [ 6973.728934][ T74] netlink_sendmsg+0x723/0xbe0 [ 6973.728934][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6973.728934][ T74] ___sys_sendmsg+0xee/0x170 [ 6973.728934][ T74] __sys_sendmsg+0xcd/0x170 [ 6973.728934][ T74] do_syscall_64+0xc6/0x1e0 [ 6973.728934][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6973.728934][ T74] [ 6973.730583][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6973.730583][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6973.730583][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6973.730583][ T74] ipv6_find_idev+0x102/0x170 [ 6973.730583][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6973.730583][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6973.730583][ T74] netlink_rcv_skb+0x130/0x360 [ 6973.730583][ T74] netlink_unicast+0x449/0x710 [ 6973.730583][ T74] netlink_sendmsg+0x723/0xbe0 [ 6973.730583][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6973.730583][ T74] ___sys_sendmsg+0xee/0x170 [ 6973.730583][ T74] __sys_sendmsg+0xcd/0x170 [ 6973.730583][ T74] do_syscall_64+0xc6/0x1e0 [ 6973.730583][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6973.730583][ T74] [ 6973.732539][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6973.732787][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6973.732787][ T74] netdev_get_by_index+0x5e/0x80 [ 6973.732787][ T74] fib6_nh_init+0x3d8/0x1580 [ 6973.732787][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6973.732787][ T74] ip6_route_add+0x1c/0x140 [ 6973.732787][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6973.732787][ T74] inet6_addr_add+0x4f8/0xa40 [ 6973.732787][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6973.732787][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6973.732787][ T74] netlink_rcv_skb+0x130/0x360 [ 6973.732787][ T74] netlink_unicast+0x449/0x710 [ 6973.732787][ T74] netlink_sendmsg+0x723/0xbe0 [ 6973.732787][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6973.732787][ T74] ___sys_sendmsg+0xee/0x170 [ 6973.732787][ T74] __sys_sendmsg+0xcd/0x170 [ 6973.732787][ T74] do_syscall_64+0xc6/0x1e0 [ 6973.732787][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6973.732787][ T74] [ 6973.735023][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6973.735023][ T74] netdev_get_by_index+0x5e/0x80 [ 6973.735023][ T74] fib6_nh_init+0x3d8/0x1580 [ 6973.735023][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6973.735023][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6973.735023][ T74] ipv6_add_addr+0x411/0x2000 [ 6973.735023][ T74] inet6_addr_add+0x30e/0xa40 [ 6973.735023][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6973.735023][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6973.735023][ T74] netlink_rcv_skb+0x130/0x360 [ 6973.735023][ T74] netlink_unicast+0x449/0x710 [ 6973.735023][ T74] netlink_sendmsg+0x723/0xbe0 [ 6973.735023][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6973.735023][ T74] ___sys_sendmsg+0xee/0x170 [ 6973.735023][ T74] __sys_sendmsg+0xcd/0x170 [ 6973.735023][ T74] do_syscall_64+0xc6/0x1e0 [ 6973.735023][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6973.735023][ T74] [ 6973.737247][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6973.737247][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6973.737247][ T74] ipv6_find_idev+0x102/0x170 [ 6973.737247][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6973.737247][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6973.737247][ T74] netlink_rcv_skb+0x130/0x360 [ 6973.737247][ T74] netlink_unicast+0x449/0x710 [ 6973.737247][ T74] netlink_sendmsg+0x723/0xbe0 [ 6973.737247][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6973.737247][ T74] ___sys_sendmsg+0xee/0x170 [ 6973.737247][ T74] __sys_sendmsg+0xcd/0x170 [ 6973.737247][ T74] do_syscall_64+0xc6/0x1e0 [ 6973.737247][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6973.737247][ T74] [ 6973.738898][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6973.738898][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6973.738898][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6973.738898][ T74] ipv6_find_idev+0x102/0x170 [ 6973.738898][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6973.738898][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6973.738898][ T74] netlink_rcv_skb+0x130/0x360 [ 6973.738898][ T74] netlink_unicast+0x449/0x710 [ 6973.738898][ T74] netlink_sendmsg+0x723/0xbe0 [ 6973.738898][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6973.738898][ T74] ___sys_sendmsg+0xee/0x170 [ 6973.738898][ T74] __sys_sendmsg+0xcd/0x170 [ 6973.738898][ T74] do_syscall_64+0xc6/0x1e0 [ 6973.738898][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6973.738898][ T74] [ 6983.983960][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6983.984325][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6983.984325][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6983.984325][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6983.984325][ T74] fib6_nh_init+0xa22/0x1580 [ 6983.984325][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6983.984325][ T74] ip6_route_add+0x1c/0x140 [ 6983.984325][ T74] inet6_rtm_newroute+0x104/0x110 [ 6983.984325][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6983.984325][ T74] netlink_rcv_skb+0x130/0x360 [ 6983.984325][ T74] netlink_unicast+0x449/0x710 [ 6983.984325][ T74] netlink_sendmsg+0x723/0xbe0 [ 6983.984325][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6983.984325][ T74] ___sys_sendmsg+0xee/0x170 [ 6983.984325][ T74] __sys_sendmsg+0xcd/0x170 [ 6983.984325][ T74] do_syscall_64+0xc6/0x1e0 [ 6983.984325][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6983.984325][ T74] [ 6983.986230][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6983.986230][ T74] netdev_get_by_index+0x5e/0x80 [ 6983.986230][ T74] fib6_nh_init+0x3d8/0x1580 [ 6983.986230][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6983.986230][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6983.986230][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6983.986230][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6983.986230][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6983.986230][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6983.986230][ T74] addrconf_dad_begin+0x310/0x670 [ 6983.986230][ T74] addrconf_dad_work+0x10b/0xab0 [ 6983.986230][ T74] process_one_work+0x84d/0x18a0 [ 6983.986230][ T74] worker_thread+0x587/0xd30 [ 6983.986230][ T74] kthread+0x28a/0x350 [ 6983.986230][ T74] ret_from_fork+0x31/0x70 [ 6983.986230][ T74] ret_from_fork_asm+0x1a/0x30 [ 6983.986230][ T74] [ 6983.988141][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6983.988141][ T74] netdev_get_by_index+0x5e/0x80 [ 6983.988141][ T74] fib6_nh_init+0x3d8/0x1580 [ 6983.988141][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6983.988141][ T74] ip6_route_add+0x1c/0x140 [ 6983.988141][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6983.988141][ T74] inet6_addr_add+0x4f8/0xa40 [ 6983.988141][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6983.988141][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6983.988141][ T74] netlink_rcv_skb+0x130/0x360 [ 6983.988141][ T74] netlink_unicast+0x449/0x710 [ 6983.988141][ T74] netlink_sendmsg+0x723/0xbe0 [ 6983.988141][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6983.988141][ T74] ___sys_sendmsg+0xee/0x170 [ 6983.988141][ T74] __sys_sendmsg+0xcd/0x170 [ 6983.988141][ T74] do_syscall_64+0xc6/0x1e0 [ 6983.988141][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6983.988141][ T74] [ 6983.990126][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6983.990126][ T74] netdev_get_by_index+0x5e/0x80 [ 6983.990126][ T74] fib6_nh_init+0x3d8/0x1580 [ 6983.990126][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6983.990126][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6983.990126][ T74] ipv6_add_addr+0x411/0x2000 [ 6983.990126][ T74] inet6_addr_add+0x30e/0xa40 [ 6983.990126][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6983.990126][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6983.990126][ T74] netlink_rcv_skb+0x130/0x360 [ 6983.990126][ T74] netlink_unicast+0x449/0x710 [ 6983.990126][ T74] netlink_sendmsg+0x723/0xbe0 [ 6983.990126][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6983.990126][ T74] ___sys_sendmsg+0xee/0x170 [ 6983.990126][ T74] __sys_sendmsg+0xcd/0x170 [ 6983.990126][ T74] do_syscall_64+0xc6/0x1e0 [ 6983.990126][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6983.990126][ T74] [ 6983.992127][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6983.992127][ T74] netdev_get_by_index+0x5e/0x80 [ 6983.992127][ T74] fib6_nh_init+0x3d8/0x1580 [ 6983.992127][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6983.992127][ T74] ip6_route_add+0x1c/0x140 [ 6983.992127][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6983.992127][ T74] addrconf_add_dev+0xe2/0x170 [ 6983.992127][ T74] inet6_addr_add+0x12f/0xa40 [ 6983.992127][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6983.992127][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6983.992127][ T74] netlink_rcv_skb+0x130/0x360 [ 6983.992127][ T74] netlink_unicast+0x449/0x710 [ 6983.992127][ T74] netlink_sendmsg+0x723/0xbe0 [ 6983.992127][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6983.992127][ T74] ___sys_sendmsg+0xee/0x170 [ 6983.992127][ T74] __sys_sendmsg+0xcd/0x170 [ 6983.992127][ T74] do_syscall_64+0xc6/0x1e0 [ 6983.992127][ T74] [ 6983.994076][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6983.994076][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6983.994076][ T74] ipv6_find_idev+0x102/0x170 [ 6983.994076][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6983.994076][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6983.994076][ T74] netlink_rcv_skb+0x130/0x360 [ 6983.994076][ T74] netlink_unicast+0x449/0x710 [ 6983.994076][ T74] netlink_sendmsg+0x723/0xbe0 [ 6983.994076][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6983.994076][ T74] ___sys_sendmsg+0xee/0x170 [ 6983.994076][ T74] __sys_sendmsg+0xcd/0x170 [ 6983.994076][ T74] do_syscall_64+0xc6/0x1e0 [ 6983.994076][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6983.994076][ T74] [ 6983.995606][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6983.995606][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6983.995606][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6983.995606][ T74] ipv6_find_idev+0x102/0x170 [ 6983.995606][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6983.995606][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6983.995606][ T74] netlink_rcv_skb+0x130/0x360 [ 6983.995606][ T74] netlink_unicast+0x449/0x710 [ 6983.995606][ T74] netlink_sendmsg+0x723/0xbe0 [ 6983.995606][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6983.995606][ T74] ___sys_sendmsg+0xee/0x170 [ 6983.995606][ T74] __sys_sendmsg+0xcd/0x170 [ 6983.995606][ T74] do_syscall_64+0xc6/0x1e0 [ 6983.995606][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6983.995606][ T74] [ 6983.997304][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6983.997575][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6983.997575][ T74] dst_init+0x84/0x4a0 [ 6983.997575][ T74] dst_alloc+0x97/0x150 [ 6983.997575][ T74] ip6_dst_alloc+0x23/0x90 [ 6983.997575][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6983.997575][ T74] ip6_pol_route+0x56f/0x840 [ 6983.997575][ T74] fib6_rule_lookup+0x456/0x630 [ 6983.997575][ T74] ip6_route_input+0x59c/0xa50 [ 6983.997575][ T74] ipv6_rcv+0x397/0x810 [ 6983.997575][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6983.997575][ T74] process_backlog+0x101/0x620 [ 6983.997575][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6983.997575][ T74] net_rx_action+0x495/0xbe0 [ 6983.997575][ T74] __do_softirq+0x1b5/0x7f6 [ 6983.997575][ T74] [ 6983.999208][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6983.999208][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6983.999208][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6983.999208][ T74] fib6_nh_init+0xa22/0x1580 [ 6983.999208][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6983.999208][ T74] ip6_route_add+0x1c/0x140 [ 6983.999208][ T74] inet6_rtm_newroute+0x104/0x110 [ 6983.999208][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6983.999208][ T74] netlink_rcv_skb+0x130/0x360 [ 6983.999208][ T74] netlink_unicast+0x449/0x710 [ 6983.999208][ T74] netlink_sendmsg+0x723/0xbe0 [ 6983.999208][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6983.999208][ T74] ___sys_sendmsg+0xee/0x170 [ 6983.999208][ T74] __sys_sendmsg+0xcd/0x170 [ 6983.999208][ T74] do_syscall_64+0xc6/0x1e0 [ 6983.999208][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6983.999208][ T74] [ 6984.001077][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6984.001077][ T74] netdev_get_by_index+0x5e/0x80 [ 6984.001077][ T74] fib6_nh_init+0x3d8/0x1580 [ 6984.001077][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6984.001077][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6984.001077][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6984.001077][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6984.001077][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6984.001077][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6984.001077][ T74] addrconf_dad_begin+0x310/0x670 [ 6984.001077][ T74] addrconf_dad_work+0x10b/0xab0 [ 6984.001077][ T74] process_one_work+0x84d/0x18a0 [ 6984.001077][ T74] worker_thread+0x587/0xd30 [ 6984.001077][ T74] kthread+0x28a/0x350 [ 6984.001077][ T74] ret_from_fork+0x31/0x70 [ 6984.001077][ T74] ret_from_fork_asm+0x1a/0x30 [ 6984.001077][ T74] [ 6984.003003][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6984.003003][ T74] netdev_get_by_index+0x5e/0x80 [ 6984.003003][ T74] fib6_nh_init+0x3d8/0x1580 [ 6984.003003][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6984.003003][ T74] ip6_route_add+0x1c/0x140 [ 6984.003003][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6984.003003][ T74] inet6_addr_add+0x4f8/0xa40 [ 6984.003003][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6984.003003][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6984.003003][ T74] netlink_rcv_skb+0x130/0x360 [ 6984.003003][ T74] netlink_unicast+0x449/0x710 [ 6984.003003][ T74] netlink_sendmsg+0x723/0xbe0 [ 6984.003003][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6984.003003][ T74] ___sys_sendmsg+0xee/0x170 [ 6984.003003][ T74] __sys_sendmsg+0xcd/0x170 [ 6984.003003][ T74] do_syscall_64+0xc6/0x1e0 [ 6984.003003][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6984.003003][ T74] [ 6984.004996][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6984.004996][ T74] netdev_get_by_index+0x5e/0x80 [ 6984.004996][ T74] fib6_nh_init+0x3d8/0x1580 [ 6984.004996][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6984.004996][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6984.004996][ T74] ipv6_add_addr+0x411/0x2000 [ 6984.004996][ T74] inet6_addr_add+0x30e/0xa40 [ 6984.004996][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6984.004996][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6984.004996][ T74] netlink_rcv_skb+0x130/0x360 [ 6984.004996][ T74] netlink_unicast+0x449/0x710 [ 6984.004996][ T74] netlink_sendmsg+0x723/0xbe0 [ 6984.004996][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6984.004996][ T74] ___sys_sendmsg+0xee/0x170 [ 6984.004996][ T74] __sys_sendmsg+0xcd/0x170 [ 6984.004996][ T74] do_syscall_64+0xc6/0x1e0 [ 6984.004996][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6984.004996][ T74] [ 6984.006986][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6984.006986][ T74] netdev_get_by_index+0x5e/0x80 [ 6984.006986][ T74] fib6_nh_init+0x3d8/0x1580 [ 6984.006986][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6984.006986][ T74] ip6_route_add+0x1c/0x140 [ 6984.006986][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6984.006986][ T74] addrconf_add_dev+0xe2/0x170 [ 6984.006986][ T74] inet6_addr_add+0x12f/0xa40 [ 6984.006986][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6984.006986][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6984.006986][ T74] netlink_rcv_skb+0x130/0x360 [ 6984.006986][ T74] netlink_unicast+0x449/0x710 [ 6984.006986][ T74] netlink_sendmsg+0x723/0xbe0 [ 6984.006986][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6984.006986][ T74] ___sys_sendmsg+0xee/0x170 [ 6984.006986][ T74] __sys_sendmsg+0xcd/0x170 [ 6984.006986][ T74] do_syscall_64+0xc6/0x1e0 [ 6984.006986][ T74] [ 6984.008936][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6984.008936][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6984.008936][ T74] ipv6_find_idev+0x102/0x170 [ 6984.008936][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6984.008936][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6984.008936][ T74] netlink_rcv_skb+0x130/0x360 [ 6984.008936][ T74] netlink_unicast+0x449/0x710 [ 6984.008936][ T74] netlink_sendmsg+0x723/0xbe0 [ 6984.008936][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6984.008936][ T74] ___sys_sendmsg+0xee/0x170 [ 6984.008936][ T74] __sys_sendmsg+0xcd/0x170 [ 6984.008936][ T74] do_syscall_64+0xc6/0x1e0 [ 6984.008936][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6984.008936][ T74] [ 6984.010586][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6984.010586][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6984.010586][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6984.010586][ T74] ipv6_find_idev+0x102/0x170 [ 6984.010586][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6984.010586][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6984.010586][ T74] netlink_rcv_skb+0x130/0x360 [ 6984.010586][ T74] netlink_unicast+0x449/0x710 [ 6984.010586][ T74] netlink_sendmsg+0x723/0xbe0 [ 6984.010586][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6984.010586][ T74] ___sys_sendmsg+0xee/0x170 [ 6984.010586][ T74] __sys_sendmsg+0xcd/0x170 [ 6984.010586][ T74] do_syscall_64+0xc6/0x1e0 [ 6984.010586][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6984.010586][ T74] [ 6984.012557][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6984.012792][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6984.012792][ T74] netdev_get_by_index+0x5e/0x80 [ 6984.012792][ T74] fib6_nh_init+0x3d8/0x1580 [ 6984.012792][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6984.012792][ T74] ip6_route_add+0x1c/0x140 [ 6984.012792][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6984.012792][ T74] inet6_addr_add+0x4f8/0xa40 [ 6984.012792][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6984.012792][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6984.012792][ T74] netlink_rcv_skb+0x130/0x360 [ 6984.012792][ T74] netlink_unicast+0x449/0x710 [ 6984.012792][ T74] netlink_sendmsg+0x723/0xbe0 [ 6984.012792][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6984.012792][ T74] ___sys_sendmsg+0xee/0x170 [ 6984.012792][ T74] __sys_sendmsg+0xcd/0x170 [ 6984.012792][ T74] do_syscall_64+0xc6/0x1e0 [ 6984.012792][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6984.012792][ T74] [ 6984.015546][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6984.015546][ T74] netdev_get_by_index+0x5e/0x80 [ 6984.015546][ T74] fib6_nh_init+0x3d8/0x1580 [ 6984.015546][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6984.015546][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6984.015546][ T74] ipv6_add_addr+0x411/0x2000 [ 6984.015546][ T74] inet6_addr_add+0x30e/0xa40 [ 6984.015546][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6984.015546][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6984.015546][ T74] netlink_rcv_skb+0x130/0x360 [ 6984.015546][ T74] netlink_unicast+0x449/0x710 [ 6984.015546][ T74] netlink_sendmsg+0x723/0xbe0 [ 6984.015546][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6984.015546][ T74] ___sys_sendmsg+0xee/0x170 [ 6984.015546][ T74] __sys_sendmsg+0xcd/0x170 [ 6984.015546][ T74] do_syscall_64+0xc6/0x1e0 [ 6984.015546][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6984.015546][ T74] [ 6984.017775][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6984.017775][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6984.017775][ T74] ipv6_find_idev+0x102/0x170 [ 6984.017775][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6984.017775][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6984.017775][ T74] netlink_rcv_skb+0x130/0x360 [ 6984.017775][ T74] netlink_unicast+0x449/0x710 [ 6984.017775][ T74] netlink_sendmsg+0x723/0xbe0 [ 6984.017775][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6984.017775][ T74] ___sys_sendmsg+0xee/0x170 [ 6984.017775][ T74] __sys_sendmsg+0xcd/0x170 [ 6984.017775][ T74] do_syscall_64+0xc6/0x1e0 [ 6984.017775][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6984.017775][ T74] [ 6984.019427][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6984.019427][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6984.019427][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6984.019427][ T74] ipv6_find_idev+0x102/0x170 [ 6984.019427][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6984.019427][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6984.019427][ T74] netlink_rcv_skb+0x130/0x360 [ 6984.019427][ T74] netlink_unicast+0x449/0x710 [ 6984.019427][ T74] netlink_sendmsg+0x723/0xbe0 [ 6984.019427][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6984.019427][ T74] ___sys_sendmsg+0xee/0x170 [ 6984.019427][ T74] __sys_sendmsg+0xcd/0x170 [ 6984.019427][ T74] do_syscall_64+0xc6/0x1e0 [ 6984.019427][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6984.019427][ T74] [ 6994.039961][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 6994.040328][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6994.040328][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6994.040328][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6994.040328][ T74] fib6_nh_init+0xa22/0x1580 [ 6994.040328][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6994.040328][ T74] ip6_route_add+0x1c/0x140 [ 6994.040328][ T74] inet6_rtm_newroute+0x104/0x110 [ 6994.040328][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6994.040328][ T74] netlink_rcv_skb+0x130/0x360 [ 6994.040328][ T74] netlink_unicast+0x449/0x710 [ 6994.040328][ T74] netlink_sendmsg+0x723/0xbe0 [ 6994.040328][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6994.040328][ T74] ___sys_sendmsg+0xee/0x170 [ 6994.040328][ T74] __sys_sendmsg+0xcd/0x170 [ 6994.040328][ T74] do_syscall_64+0xc6/0x1e0 [ 6994.040328][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6994.040328][ T74] [ 6994.042222][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6994.042222][ T74] netdev_get_by_index+0x5e/0x80 [ 6994.042222][ T74] fib6_nh_init+0x3d8/0x1580 [ 6994.042222][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6994.042222][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6994.042222][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6994.042222][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6994.042222][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6994.042222][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6994.042222][ T74] addrconf_dad_begin+0x310/0x670 [ 6994.042222][ T74] addrconf_dad_work+0x10b/0xab0 [ 6994.042222][ T74] process_one_work+0x84d/0x18a0 [ 6994.042222][ T74] worker_thread+0x587/0xd30 [ 6994.042222][ T74] kthread+0x28a/0x350 [ 6994.042222][ T74] ret_from_fork+0x31/0x70 [ 6994.042222][ T74] ret_from_fork_asm+0x1a/0x30 [ 6994.042222][ T74] [ 6994.044133][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6994.044133][ T74] netdev_get_by_index+0x5e/0x80 [ 6994.044133][ T74] fib6_nh_init+0x3d8/0x1580 [ 6994.044133][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6994.044133][ T74] ip6_route_add+0x1c/0x140 [ 6994.044133][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6994.044133][ T74] inet6_addr_add+0x4f8/0xa40 [ 6994.044133][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6994.044133][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6994.044133][ T74] netlink_rcv_skb+0x130/0x360 [ 6994.044133][ T74] netlink_unicast+0x449/0x710 [ 6994.044133][ T74] netlink_sendmsg+0x723/0xbe0 [ 6994.044133][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6994.044133][ T74] ___sys_sendmsg+0xee/0x170 [ 6994.044133][ T74] __sys_sendmsg+0xcd/0x170 [ 6994.044133][ T74] do_syscall_64+0xc6/0x1e0 [ 6994.044133][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6994.044133][ T74] [ 6994.046125][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6994.046125][ T74] netdev_get_by_index+0x5e/0x80 [ 6994.046125][ T74] fib6_nh_init+0x3d8/0x1580 [ 6994.046125][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6994.046125][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6994.046125][ T74] ipv6_add_addr+0x411/0x2000 [ 6994.046125][ T74] inet6_addr_add+0x30e/0xa40 [ 6994.046125][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6994.046125][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6994.046125][ T74] netlink_rcv_skb+0x130/0x360 [ 6994.046125][ T74] netlink_unicast+0x449/0x710 [ 6994.046125][ T74] netlink_sendmsg+0x723/0xbe0 [ 6994.046125][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6994.046125][ T74] ___sys_sendmsg+0xee/0x170 [ 6994.046125][ T74] __sys_sendmsg+0xcd/0x170 [ 6994.046125][ T74] do_syscall_64+0xc6/0x1e0 [ 6994.046125][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6994.046125][ T74] [ 6994.048125][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6994.048125][ T74] netdev_get_by_index+0x5e/0x80 [ 6994.048125][ T74] fib6_nh_init+0x3d8/0x1580 [ 6994.048125][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6994.048125][ T74] ip6_route_add+0x1c/0x140 [ 6994.048125][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6994.048125][ T74] addrconf_add_dev+0xe2/0x170 [ 6994.048125][ T74] inet6_addr_add+0x12f/0xa40 [ 6994.048125][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6994.048125][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6994.048125][ T74] netlink_rcv_skb+0x130/0x360 [ 6994.048125][ T74] netlink_unicast+0x449/0x710 [ 6994.048125][ T74] netlink_sendmsg+0x723/0xbe0 [ 6994.048125][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6994.048125][ T74] ___sys_sendmsg+0xee/0x170 [ 6994.048125][ T74] __sys_sendmsg+0xcd/0x170 [ 6994.048125][ T74] do_syscall_64+0xc6/0x1e0 [ 6994.048125][ T74] [ 6994.050080][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6994.050080][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6994.050080][ T74] ipv6_find_idev+0x102/0x170 [ 6994.050080][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6994.050080][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6994.050080][ T74] netlink_rcv_skb+0x130/0x360 [ 6994.050080][ T74] netlink_unicast+0x449/0x710 [ 6994.050080][ T74] netlink_sendmsg+0x723/0xbe0 [ 6994.050080][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6994.050080][ T74] ___sys_sendmsg+0xee/0x170 [ 6994.050080][ T74] __sys_sendmsg+0xcd/0x170 [ 6994.050080][ T74] do_syscall_64+0xc6/0x1e0 [ 6994.050080][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6994.050080][ T74] [ 6994.051618][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 6994.051618][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6994.051618][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6994.051618][ T74] ipv6_find_idev+0x102/0x170 [ 6994.051618][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6994.051618][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6994.051618][ T74] netlink_rcv_skb+0x130/0x360 [ 6994.051618][ T74] netlink_unicast+0x449/0x710 [ 6994.051618][ T74] netlink_sendmsg+0x723/0xbe0 [ 6994.051618][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6994.051618][ T74] ___sys_sendmsg+0xee/0x170 [ 6994.051618][ T74] __sys_sendmsg+0xcd/0x170 [ 6994.051618][ T74] do_syscall_64+0xc6/0x1e0 [ 6994.051618][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6994.051618][ T74] [ 6994.053299][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 6994.053573][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 6994.053573][ T74] dst_init+0x84/0x4a0 [ 6994.053573][ T74] dst_alloc+0x97/0x150 [ 6994.053573][ T74] ip6_dst_alloc+0x23/0x90 [ 6994.053573][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 6994.053573][ T74] ip6_pol_route+0x56f/0x840 [ 6994.053573][ T74] fib6_rule_lookup+0x456/0x630 [ 6994.053573][ T74] ip6_route_input+0x59c/0xa50 [ 6994.053573][ T74] ipv6_rcv+0x397/0x810 [ 6994.053573][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 6994.053573][ T74] process_backlog+0x101/0x620 [ 6994.053573][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 6994.053573][ T74] net_rx_action+0x495/0xbe0 [ 6994.053573][ T74] __do_softirq+0x1b5/0x7f6 [ 6994.053573][ T74] [ 6994.055199][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6994.055199][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 6994.055199][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 6994.055199][ T74] fib6_nh_init+0xa22/0x1580 [ 6994.055199][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6994.055199][ T74] ip6_route_add+0x1c/0x140 [ 6994.055199][ T74] inet6_rtm_newroute+0x104/0x110 [ 6994.055199][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6994.055199][ T74] netlink_rcv_skb+0x130/0x360 [ 6994.055199][ T74] netlink_unicast+0x449/0x710 [ 6994.055199][ T74] netlink_sendmsg+0x723/0xbe0 [ 6994.055199][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6994.055199][ T74] ___sys_sendmsg+0xee/0x170 [ 6994.055199][ T74] __sys_sendmsg+0xcd/0x170 [ 6994.055199][ T74] do_syscall_64+0xc6/0x1e0 [ 6994.055199][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6994.055199][ T74] [ 6994.057084][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6994.057084][ T74] netdev_get_by_index+0x5e/0x80 [ 6994.057084][ T74] fib6_nh_init+0x3d8/0x1580 [ 6994.057084][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6994.057084][ T74] addrconf_f6i_alloc+0x265/0x560 [ 6994.057084][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 6994.057084][ T74] addrconf_join_anycast+0x1c0/0x220 [ 6994.057084][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 6994.057084][ T74] addrconf_dad_completed+0x12b/0xe20 [ 6994.057084][ T74] addrconf_dad_begin+0x310/0x670 [ 6994.057084][ T74] addrconf_dad_work+0x10b/0xab0 [ 6994.057084][ T74] process_one_work+0x84d/0x18a0 [ 6994.057084][ T74] worker_thread+0x587/0xd30 [ 6994.057084][ T74] kthread+0x28a/0x350 [ 6994.057084][ T74] ret_from_fork+0x31/0x70 [ 6994.057084][ T74] ret_from_fork_asm+0x1a/0x30 [ 6994.057084][ T74] [ 6994.058983][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6994.058983][ T74] netdev_get_by_index+0x5e/0x80 [ 6994.058983][ T74] fib6_nh_init+0x3d8/0x1580 [ 6994.058983][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6994.058983][ T74] ip6_route_add+0x1c/0x140 [ 6994.058983][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6994.058983][ T74] inet6_addr_add+0x4f8/0xa40 [ 6994.058983][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6994.058983][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6994.058983][ T74] netlink_rcv_skb+0x130/0x360 [ 6994.058983][ T74] netlink_unicast+0x449/0x710 [ 6994.058983][ T74] netlink_sendmsg+0x723/0xbe0 [ 6994.058983][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6994.058983][ T74] ___sys_sendmsg+0xee/0x170 [ 6994.058983][ T74] __sys_sendmsg+0xcd/0x170 [ 6994.058983][ T74] do_syscall_64+0xc6/0x1e0 [ 6994.058983][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6994.058983][ T74] [ 6994.060977][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6994.060977][ T74] netdev_get_by_index+0x5e/0x80 [ 6994.060977][ T74] fib6_nh_init+0x3d8/0x1580 [ 6994.060977][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6994.060977][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6994.060977][ T74] ipv6_add_addr+0x411/0x2000 [ 6994.060977][ T74] inet6_addr_add+0x30e/0xa40 [ 6994.060977][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6994.060977][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6994.060977][ T74] netlink_rcv_skb+0x130/0x360 [ 6994.060977][ T74] netlink_unicast+0x449/0x710 [ 6994.060977][ T74] netlink_sendmsg+0x723/0xbe0 [ 6994.060977][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6994.060977][ T74] ___sys_sendmsg+0xee/0x170 [ 6994.060977][ T74] __sys_sendmsg+0xcd/0x170 [ 6994.060977][ T74] do_syscall_64+0xc6/0x1e0 [ 6994.060977][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6994.060977][ T74] [ 6994.062978][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6994.062978][ T74] netdev_get_by_index+0x5e/0x80 [ 6994.062978][ T74] fib6_nh_init+0x3d8/0x1580 [ 6994.062978][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6994.062978][ T74] ip6_route_add+0x1c/0x140 [ 6994.062978][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 6994.062978][ T74] addrconf_add_dev+0xe2/0x170 [ 6994.062978][ T74] inet6_addr_add+0x12f/0xa40 [ 6994.062978][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6994.062978][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6994.062978][ T74] netlink_rcv_skb+0x130/0x360 [ 6994.062978][ T74] netlink_unicast+0x449/0x710 [ 6994.062978][ T74] netlink_sendmsg+0x723/0xbe0 [ 6994.062978][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6994.062978][ T74] ___sys_sendmsg+0xee/0x170 [ 6994.062978][ T74] __sys_sendmsg+0xcd/0x170 [ 6994.062978][ T74] do_syscall_64+0xc6/0x1e0 [ 6994.062978][ T74] [ 6994.064938][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6994.064938][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6994.064938][ T74] ipv6_find_idev+0x102/0x170 [ 6994.064938][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6994.064938][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6994.064938][ T74] netlink_rcv_skb+0x130/0x360 [ 6994.064938][ T74] netlink_unicast+0x449/0x710 [ 6994.064938][ T74] netlink_sendmsg+0x723/0xbe0 [ 6994.064938][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6994.064938][ T74] ___sys_sendmsg+0xee/0x170 [ 6994.064938][ T74] __sys_sendmsg+0xcd/0x170 [ 6994.064938][ T74] do_syscall_64+0xc6/0x1e0 [ 6994.064938][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6994.064938][ T74] [ 6994.066603][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 6994.066603][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6994.066603][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6994.066603][ T74] ipv6_find_idev+0x102/0x170 [ 6994.066603][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6994.066603][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6994.066603][ T74] netlink_rcv_skb+0x130/0x360 [ 6994.066603][ T74] netlink_unicast+0x449/0x710 [ 6994.066603][ T74] netlink_sendmsg+0x723/0xbe0 [ 6994.066603][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6994.066603][ T74] ___sys_sendmsg+0xee/0x170 [ 6994.066603][ T74] __sys_sendmsg+0xcd/0x170 [ 6994.066603][ T74] do_syscall_64+0xc6/0x1e0 [ 6994.066603][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6994.066603][ T74] [ 6994.068588][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 6994.068827][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6994.068827][ T74] netdev_get_by_index+0x5e/0x80 [ 6994.068827][ T74] fib6_nh_init+0x3d8/0x1580 [ 6994.068827][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6994.068827][ T74] ip6_route_add+0x1c/0x140 [ 6994.068827][ T74] addrconf_prefix_route+0x2a6/0x430 [ 6994.068827][ T74] inet6_addr_add+0x4f8/0xa40 [ 6994.068827][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6994.068827][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6994.068827][ T74] netlink_rcv_skb+0x130/0x360 [ 6994.068827][ T74] netlink_unicast+0x449/0x710 [ 6994.068827][ T74] netlink_sendmsg+0x723/0xbe0 [ 6994.068827][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6994.068827][ T74] ___sys_sendmsg+0xee/0x170 [ 6994.068827][ T74] __sys_sendmsg+0xcd/0x170 [ 6994.068827][ T74] do_syscall_64+0xc6/0x1e0 [ 6994.068827][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6994.068827][ T74] [ 6994.071067][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6994.071067][ T74] netdev_get_by_index+0x5e/0x80 [ 6994.071067][ T74] fib6_nh_init+0x3d8/0x1580 [ 6994.071067][ T74] ip6_route_info_create+0xf18/0x17d0 [ 6994.071067][ T74] addrconf_f6i_alloc+0x315/0x560 [ 6994.071067][ T74] ipv6_add_addr+0x411/0x2000 [ 6994.071067][ T74] inet6_addr_add+0x30e/0xa40 [ 6994.071067][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 6994.071067][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6994.071067][ T74] netlink_rcv_skb+0x130/0x360 [ 6994.071067][ T74] netlink_unicast+0x449/0x710 [ 6994.071067][ T74] netlink_sendmsg+0x723/0xbe0 [ 6994.071067][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6994.071067][ T74] ___sys_sendmsg+0xee/0x170 [ 6994.071067][ T74] __sys_sendmsg+0xcd/0x170 [ 6994.071067][ T74] do_syscall_64+0xc6/0x1e0 [ 6994.071067][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6994.071067][ T74] [ 6994.073307][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6994.073307][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 6994.073307][ T74] ipv6_find_idev+0x102/0x170 [ 6994.073307][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6994.073307][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6994.073307][ T74] netlink_rcv_skb+0x130/0x360 [ 6994.073307][ T74] netlink_unicast+0x449/0x710 [ 6994.073307][ T74] netlink_sendmsg+0x723/0xbe0 [ 6994.073307][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6994.073307][ T74] ___sys_sendmsg+0xee/0x170 [ 6994.073307][ T74] __sys_sendmsg+0xcd/0x170 [ 6994.073307][ T74] do_syscall_64+0xc6/0x1e0 [ 6994.073307][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6994.073307][ T74] [ 6994.075018][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 6994.075018][ T74] neigh_parms_alloc+0x1e5/0x510 [ 6994.075018][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 6994.075018][ T74] ipv6_find_idev+0x102/0x170 [ 6994.075018][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 6994.075018][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6994.075018][ T74] netlink_rcv_skb+0x130/0x360 [ 6994.075018][ T74] netlink_unicast+0x449/0x710 [ 6994.075018][ T74] netlink_sendmsg+0x723/0xbe0 [ 6994.075018][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 6994.075018][ T74] ___sys_sendmsg+0xee/0x170 [ 6994.075018][ T74] __sys_sendmsg+0xcd/0x170 [ 6994.075018][ T74] do_syscall_64+0xc6/0x1e0 [ 6994.075018][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6994.075018][ T74] [ 7004.319954][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 7004.320320][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7004.320320][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 7004.320320][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 7004.320320][ T74] fib6_nh_init+0xa22/0x1580 [ 7004.320320][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7004.320320][ T74] ip6_route_add+0x1c/0x140 [ 7004.320320][ T74] inet6_rtm_newroute+0x104/0x110 [ 7004.320320][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7004.320320][ T74] netlink_rcv_skb+0x130/0x360 [ 7004.320320][ T74] netlink_unicast+0x449/0x710 [ 7004.320320][ T74] netlink_sendmsg+0x723/0xbe0 [ 7004.320320][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7004.320320][ T74] ___sys_sendmsg+0xee/0x170 [ 7004.320320][ T74] __sys_sendmsg+0xcd/0x170 [ 7004.320320][ T74] do_syscall_64+0xc6/0x1e0 [ 7004.320320][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7004.320320][ T74] [ 7004.322238][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7004.322238][ T74] netdev_get_by_index+0x5e/0x80 [ 7004.322238][ T74] fib6_nh_init+0x3d8/0x1580 [ 7004.322238][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7004.322238][ T74] addrconf_f6i_alloc+0x265/0x560 [ 7004.322238][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7004.322238][ T74] addrconf_join_anycast+0x1c0/0x220 [ 7004.322238][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7004.322238][ T74] addrconf_dad_completed+0x12b/0xe20 [ 7004.322238][ T74] addrconf_dad_begin+0x310/0x670 [ 7004.322238][ T74] addrconf_dad_work+0x10b/0xab0 [ 7004.322238][ T74] process_one_work+0x84d/0x18a0 [ 7004.322238][ T74] worker_thread+0x587/0xd30 [ 7004.322238][ T74] kthread+0x28a/0x350 [ 7004.322238][ T74] ret_from_fork+0x31/0x70 [ 7004.322238][ T74] ret_from_fork_asm+0x1a/0x30 [ 7004.322238][ T74] [ 7004.324152][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7004.324152][ T74] netdev_get_by_index+0x5e/0x80 [ 7004.324152][ T74] fib6_nh_init+0x3d8/0x1580 [ 7004.324152][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7004.324152][ T74] ip6_route_add+0x1c/0x140 [ 7004.324152][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7004.324152][ T74] inet6_addr_add+0x4f8/0xa40 [ 7004.324152][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7004.324152][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7004.324152][ T74] netlink_rcv_skb+0x130/0x360 [ 7004.324152][ T74] netlink_unicast+0x449/0x710 [ 7004.324152][ T74] netlink_sendmsg+0x723/0xbe0 [ 7004.324152][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7004.324152][ T74] ___sys_sendmsg+0xee/0x170 [ 7004.324152][ T74] __sys_sendmsg+0xcd/0x170 [ 7004.324152][ T74] do_syscall_64+0xc6/0x1e0 [ 7004.324152][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7004.324152][ T74] [ 7004.326160][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7004.326160][ T74] netdev_get_by_index+0x5e/0x80 [ 7004.326160][ T74] fib6_nh_init+0x3d8/0x1580 [ 7004.326160][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7004.326160][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7004.326160][ T74] ipv6_add_addr+0x411/0x2000 [ 7004.326160][ T74] inet6_addr_add+0x30e/0xa40 [ 7004.326160][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7004.326160][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7004.326160][ T74] netlink_rcv_skb+0x130/0x360 [ 7004.326160][ T74] netlink_unicast+0x449/0x710 [ 7004.326160][ T74] netlink_sendmsg+0x723/0xbe0 [ 7004.326160][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7004.326160][ T74] ___sys_sendmsg+0xee/0x170 [ 7004.326160][ T74] __sys_sendmsg+0xcd/0x170 [ 7004.326160][ T74] do_syscall_64+0xc6/0x1e0 [ 7004.326160][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7004.326160][ T74] [ 7004.328151][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7004.328151][ T74] netdev_get_by_index+0x5e/0x80 [ 7004.328151][ T74] fib6_nh_init+0x3d8/0x1580 [ 7004.328151][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7004.328151][ T74] ip6_route_add+0x1c/0x140 [ 7004.328151][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 7004.328151][ T74] addrconf_add_dev+0xe2/0x170 [ 7004.328151][ T74] inet6_addr_add+0x12f/0xa40 [ 7004.328151][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7004.328151][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7004.328151][ T74] netlink_rcv_skb+0x130/0x360 [ 7004.328151][ T74] netlink_unicast+0x449/0x710 [ 7004.328151][ T74] netlink_sendmsg+0x723/0xbe0 [ 7004.328151][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7004.328151][ T74] ___sys_sendmsg+0xee/0x170 [ 7004.328151][ T74] __sys_sendmsg+0xcd/0x170 [ 7004.328151][ T74] do_syscall_64+0xc6/0x1e0 [ 7004.328151][ T74] [ 7004.330114][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7004.330114][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7004.330114][ T74] ipv6_find_idev+0x102/0x170 [ 7004.330114][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7004.330114][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7004.330114][ T74] netlink_rcv_skb+0x130/0x360 [ 7004.330114][ T74] netlink_unicast+0x449/0x710 [ 7004.330114][ T74] netlink_sendmsg+0x723/0xbe0 [ 7004.330114][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7004.330114][ T74] ___sys_sendmsg+0xee/0x170 [ 7004.330114][ T74] __sys_sendmsg+0xcd/0x170 [ 7004.330114][ T74] do_syscall_64+0xc6/0x1e0 [ 7004.330114][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7004.330114][ T74] [ 7004.331646][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7004.331646][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7004.331646][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7004.331646][ T74] ipv6_find_idev+0x102/0x170 [ 7004.331646][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7004.331646][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7004.331646][ T74] netlink_rcv_skb+0x130/0x360 [ 7004.331646][ T74] netlink_unicast+0x449/0x710 [ 7004.331646][ T74] netlink_sendmsg+0x723/0xbe0 [ 7004.331646][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7004.331646][ T74] ___sys_sendmsg+0xee/0x170 [ 7004.331646][ T74] __sys_sendmsg+0xcd/0x170 [ 7004.331646][ T74] do_syscall_64+0xc6/0x1e0 [ 7004.331646][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7004.331646][ T74] [ 7004.333329][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 7004.333601][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 7004.333601][ T74] dst_init+0x84/0x4a0 [ 7004.333601][ T74] dst_alloc+0x97/0x150 [ 7004.333601][ T74] ip6_dst_alloc+0x23/0x90 [ 7004.333601][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7004.333601][ T74] ip6_pol_route+0x56f/0x840 [ 7004.333601][ T74] fib6_rule_lookup+0x456/0x630 [ 7004.333601][ T74] ip6_route_input+0x59c/0xa50 [ 7004.333601][ T74] ipv6_rcv+0x397/0x810 [ 7004.333601][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 7004.333601][ T74] process_backlog+0x101/0x620 [ 7004.333601][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 7004.333601][ T74] net_rx_action+0x495/0xbe0 [ 7004.333601][ T74] __do_softirq+0x1b5/0x7f6 [ 7004.333601][ T74] [ 7004.335236][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7004.335236][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 7004.335236][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 7004.335236][ T74] fib6_nh_init+0xa22/0x1580 [ 7004.335236][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7004.335236][ T74] ip6_route_add+0x1c/0x140 [ 7004.335236][ T74] inet6_rtm_newroute+0x104/0x110 [ 7004.335236][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7004.335236][ T74] netlink_rcv_skb+0x130/0x360 [ 7004.335236][ T74] netlink_unicast+0x449/0x710 [ 7004.335236][ T74] netlink_sendmsg+0x723/0xbe0 [ 7004.335236][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7004.335236][ T74] ___sys_sendmsg+0xee/0x170 [ 7004.335236][ T74] __sys_sendmsg+0xcd/0x170 [ 7004.335236][ T74] do_syscall_64+0xc6/0x1e0 [ 7004.335236][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7004.335236][ T74] [ 7004.337120][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7004.337120][ T74] netdev_get_by_index+0x5e/0x80 [ 7004.337120][ T74] fib6_nh_init+0x3d8/0x1580 [ 7004.337120][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7004.337120][ T74] addrconf_f6i_alloc+0x265/0x560 [ 7004.337120][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7004.337120][ T74] addrconf_join_anycast+0x1c0/0x220 [ 7004.337120][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7004.337120][ T74] addrconf_dad_completed+0x12b/0xe20 [ 7004.337120][ T74] addrconf_dad_begin+0x310/0x670 [ 7004.337120][ T74] addrconf_dad_work+0x10b/0xab0 [ 7004.337120][ T74] process_one_work+0x84d/0x18a0 [ 7004.337120][ T74] worker_thread+0x587/0xd30 [ 7004.337120][ T74] kthread+0x28a/0x350 [ 7004.337120][ T74] ret_from_fork+0x31/0x70 [ 7004.337120][ T74] ret_from_fork_asm+0x1a/0x30 [ 7004.337120][ T74] [ 7004.339017][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7004.339017][ T74] netdev_get_by_index+0x5e/0x80 [ 7004.339017][ T74] fib6_nh_init+0x3d8/0x1580 [ 7004.339017][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7004.339017][ T74] ip6_route_add+0x1c/0x140 [ 7004.339017][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7004.339017][ T74] inet6_addr_add+0x4f8/0xa40 [ 7004.339017][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7004.339017][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7004.339017][ T74] netlink_rcv_skb+0x130/0x360 [ 7004.339017][ T74] netlink_unicast+0x449/0x710 [ 7004.339017][ T74] netlink_sendmsg+0x723/0xbe0 [ 7004.339017][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7004.339017][ T74] ___sys_sendmsg+0xee/0x170 [ 7004.339017][ T74] __sys_sendmsg+0xcd/0x170 [ 7004.339017][ T74] do_syscall_64+0xc6/0x1e0 [ 7004.339017][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7004.339017][ T74] [ 7004.341012][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7004.341012][ T74] netdev_get_by_index+0x5e/0x80 [ 7004.341012][ T74] fib6_nh_init+0x3d8/0x1580 [ 7004.341012][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7004.341012][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7004.341012][ T74] ipv6_add_addr+0x411/0x2000 [ 7004.341012][ T74] inet6_addr_add+0x30e/0xa40 [ 7004.341012][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7004.341012][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7004.341012][ T74] netlink_rcv_skb+0x130/0x360 [ 7004.341012][ T74] netlink_unicast+0x449/0x710 [ 7004.341012][ T74] netlink_sendmsg+0x723/0xbe0 [ 7004.341012][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7004.341012][ T74] ___sys_sendmsg+0xee/0x170 [ 7004.341012][ T74] __sys_sendmsg+0xcd/0x170 [ 7004.341012][ T74] do_syscall_64+0xc6/0x1e0 [ 7004.341012][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7004.341012][ T74] [ 7004.343005][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7004.343005][ T74] netdev_get_by_index+0x5e/0x80 [ 7004.343005][ T74] fib6_nh_init+0x3d8/0x1580 [ 7004.343005][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7004.343005][ T74] ip6_route_add+0x1c/0x140 [ 7004.343005][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 7004.343005][ T74] addrconf_add_dev+0xe2/0x170 [ 7004.343005][ T74] inet6_addr_add+0x12f/0xa40 [ 7004.343005][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7004.343005][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7004.343005][ T74] netlink_rcv_skb+0x130/0x360 [ 7004.343005][ T74] netlink_unicast+0x449/0x710 [ 7004.343005][ T74] netlink_sendmsg+0x723/0xbe0 [ 7004.343005][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7004.343005][ T74] ___sys_sendmsg+0xee/0x170 [ 7004.343005][ T74] __sys_sendmsg+0xcd/0x170 [ 7004.343005][ T74] do_syscall_64+0xc6/0x1e0 [ 7004.343005][ T74] [ 7004.344979][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7004.344979][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7004.344979][ T74] ipv6_find_idev+0x102/0x170 [ 7004.344979][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7004.344979][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7004.344979][ T74] netlink_rcv_skb+0x130/0x360 [ 7004.344979][ T74] netlink_unicast+0x449/0x710 [ 7004.344979][ T74] netlink_sendmsg+0x723/0xbe0 [ 7004.344979][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7004.344979][ T74] ___sys_sendmsg+0xee/0x170 [ 7004.344979][ T74] __sys_sendmsg+0xcd/0x170 [ 7004.344979][ T74] do_syscall_64+0xc6/0x1e0 [ 7004.344979][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7004.344979][ T74] [ 7004.346644][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7004.346644][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7004.346644][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7004.346644][ T74] ipv6_find_idev+0x102/0x170 [ 7004.346644][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7004.346644][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7004.346644][ T74] netlink_rcv_skb+0x130/0x360 [ 7004.346644][ T74] netlink_unicast+0x449/0x710 [ 7004.346644][ T74] netlink_sendmsg+0x723/0xbe0 [ 7004.346644][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7004.346644][ T74] ___sys_sendmsg+0xee/0x170 [ 7004.346644][ T74] __sys_sendmsg+0xcd/0x170 [ 7004.346644][ T74] do_syscall_64+0xc6/0x1e0 [ 7004.346644][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7004.346644][ T74] [ 7004.348500][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 7004.348802][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7004.348802][ T74] netdev_get_by_index+0x5e/0x80 [ 7004.348802][ T74] fib6_nh_init+0x3d8/0x1580 [ 7004.348802][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7004.348802][ T74] ip6_route_add+0x1c/0x140 [ 7004.348802][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7004.348802][ T74] inet6_addr_add+0x4f8/0xa40 [ 7004.348802][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7004.348802][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7004.348802][ T74] netlink_rcv_skb+0x130/0x360 [ 7004.348802][ T74] netlink_unicast+0x449/0x710 [ 7004.348802][ T74] netlink_sendmsg+0x723/0xbe0 [ 7004.348802][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7004.348802][ T74] ___sys_sendmsg+0xee/0x170 [ 7004.348802][ T74] __sys_sendmsg+0xcd/0x170 [ 7004.348802][ T74] do_syscall_64+0xc6/0x1e0 [ 7004.348802][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7004.348802][ T74] [ 7004.351043][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7004.351043][ T74] netdev_get_by_index+0x5e/0x80 [ 7004.351043][ T74] fib6_nh_init+0x3d8/0x1580 [ 7004.351043][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7004.351043][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7004.351043][ T74] ipv6_add_addr+0x411/0x2000 [ 7004.351043][ T74] inet6_addr_add+0x30e/0xa40 [ 7004.351043][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7004.351043][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7004.351043][ T74] netlink_rcv_skb+0x130/0x360 [ 7004.351043][ T74] netlink_unicast+0x449/0x710 [ 7004.351043][ T74] netlink_sendmsg+0x723/0xbe0 [ 7004.351043][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7004.351043][ T74] ___sys_sendmsg+0xee/0x170 [ 7004.351043][ T74] __sys_sendmsg+0xcd/0x170 [ 7004.351043][ T74] do_syscall_64+0xc6/0x1e0 [ 7004.351043][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7004.351043][ T74] [ 7004.353222][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7004.353222][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7004.353222][ T74] ipv6_find_idev+0x102/0x170 [ 7004.353222][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7004.353222][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7004.353222][ T74] netlink_rcv_skb+0x130/0x360 [ 7004.353222][ T74] netlink_unicast+0x449/0x710 [ 7004.353222][ T74] netlink_sendmsg+0x723/0xbe0 [ 7004.353222][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7004.353222][ T74] ___sys_sendmsg+0xee/0x170 [ 7004.353222][ T74] __sys_sendmsg+0xcd/0x170 [ 7004.353222][ T74] do_syscall_64+0xc6/0x1e0 [ 7004.353222][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7004.353222][ T74] [ 7004.354880][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7004.354880][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7004.354880][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7004.354880][ T74] ipv6_find_idev+0x102/0x170 [ 7004.354880][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7004.354880][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7004.354880][ T74] netlink_rcv_skb+0x130/0x360 [ 7004.354880][ T74] netlink_unicast+0x449/0x710 [ 7004.354880][ T74] netlink_sendmsg+0x723/0xbe0 [ 7004.354880][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7004.354880][ T74] ___sys_sendmsg+0xee/0x170 [ 7004.354880][ T74] __sys_sendmsg+0xcd/0x170 [ 7004.354880][ T74] do_syscall_64+0xc6/0x1e0 [ 7004.354880][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7004.354880][ T74] [ 7014.527955][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 7014.528381][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7014.528381][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 7014.528381][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 7014.528381][ T74] fib6_nh_init+0xa22/0x1580 [ 7014.528381][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7014.528381][ T74] ip6_route_add+0x1c/0x140 [ 7014.528381][ T74] inet6_rtm_newroute+0x104/0x110 [ 7014.528381][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7014.528381][ T74] netlink_rcv_skb+0x130/0x360 [ 7014.528381][ T74] netlink_unicast+0x449/0x710 [ 7014.528381][ T74] netlink_sendmsg+0x723/0xbe0 [ 7014.528381][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7014.528381][ T74] ___sys_sendmsg+0xee/0x170 [ 7014.528381][ T74] __sys_sendmsg+0xcd/0x170 [ 7014.528381][ T74] do_syscall_64+0xc6/0x1e0 [ 7014.528381][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7014.528381][ T74] [ 7014.530273][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7014.530273][ T74] netdev_get_by_index+0x5e/0x80 [ 7014.530273][ T74] fib6_nh_init+0x3d8/0x1580 [ 7014.530273][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7014.530273][ T74] addrconf_f6i_alloc+0x265/0x560 [ 7014.530273][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7014.530273][ T74] addrconf_join_anycast+0x1c0/0x220 [ 7014.530273][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7014.530273][ T74] addrconf_dad_completed+0x12b/0xe20 [ 7014.530273][ T74] addrconf_dad_begin+0x310/0x670 [ 7014.530273][ T74] addrconf_dad_work+0x10b/0xab0 [ 7014.530273][ T74] process_one_work+0x84d/0x18a0 [ 7014.530273][ T74] worker_thread+0x587/0xd30 [ 7014.530273][ T74] kthread+0x28a/0x350 [ 7014.530273][ T74] ret_from_fork+0x31/0x70 [ 7014.530273][ T74] ret_from_fork_asm+0x1a/0x30 [ 7014.530273][ T74] [ 7014.532194][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7014.532194][ T74] netdev_get_by_index+0x5e/0x80 [ 7014.532194][ T74] fib6_nh_init+0x3d8/0x1580 [ 7014.532194][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7014.532194][ T74] ip6_route_add+0x1c/0x140 [ 7014.532194][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7014.532194][ T74] inet6_addr_add+0x4f8/0xa40 [ 7014.532194][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7014.532194][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7014.532194][ T74] netlink_rcv_skb+0x130/0x360 [ 7014.532194][ T74] netlink_unicast+0x449/0x710 [ 7014.532194][ T74] netlink_sendmsg+0x723/0xbe0 [ 7014.532194][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7014.532194][ T74] ___sys_sendmsg+0xee/0x170 [ 7014.532194][ T74] __sys_sendmsg+0xcd/0x170 [ 7014.532194][ T74] do_syscall_64+0xc6/0x1e0 [ 7014.532194][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7014.532194][ T74] [ 7014.534181][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7014.534181][ T74] netdev_get_by_index+0x5e/0x80 [ 7014.534181][ T74] fib6_nh_init+0x3d8/0x1580 [ 7014.534181][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7014.534181][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7014.534181][ T74] ipv6_add_addr+0x411/0x2000 [ 7014.534181][ T74] inet6_addr_add+0x30e/0xa40 [ 7014.534181][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7014.534181][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7014.534181][ T74] netlink_rcv_skb+0x130/0x360 [ 7014.534181][ T74] netlink_unicast+0x449/0x710 [ 7014.534181][ T74] netlink_sendmsg+0x723/0xbe0 [ 7014.534181][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7014.534181][ T74] ___sys_sendmsg+0xee/0x170 [ 7014.534181][ T74] __sys_sendmsg+0xcd/0x170 [ 7014.534181][ T74] do_syscall_64+0xc6/0x1e0 [ 7014.534181][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7014.534181][ T74] [ 7014.536187][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7014.536187][ T74] netdev_get_by_index+0x5e/0x80 [ 7014.536187][ T74] fib6_nh_init+0x3d8/0x1580 [ 7014.536187][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7014.536187][ T74] ip6_route_add+0x1c/0x140 [ 7014.536187][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 7014.536187][ T74] addrconf_add_dev+0xe2/0x170 [ 7014.536187][ T74] inet6_addr_add+0x12f/0xa40 [ 7014.536187][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7014.536187][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7014.536187][ T74] netlink_rcv_skb+0x130/0x360 [ 7014.536187][ T74] netlink_unicast+0x449/0x710 [ 7014.536187][ T74] netlink_sendmsg+0x723/0xbe0 [ 7014.536187][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7014.536187][ T74] ___sys_sendmsg+0xee/0x170 [ 7014.536187][ T74] __sys_sendmsg+0xcd/0x170 [ 7014.536187][ T74] do_syscall_64+0xc6/0x1e0 [ 7014.536187][ T74] [ 7014.538156][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7014.538156][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7014.538156][ T74] ipv6_find_idev+0x102/0x170 [ 7014.538156][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7014.538156][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7014.538156][ T74] netlink_rcv_skb+0x130/0x360 [ 7014.538156][ T74] netlink_unicast+0x449/0x710 [ 7014.538156][ T74] netlink_sendmsg+0x723/0xbe0 [ 7014.538156][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7014.538156][ T74] ___sys_sendmsg+0xee/0x170 [ 7014.538156][ T74] __sys_sendmsg+0xcd/0x170 [ 7014.538156][ T74] do_syscall_64+0xc6/0x1e0 [ 7014.538156][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7014.538156][ T74] [ 7014.539700][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7014.539700][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7014.539700][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7014.539700][ T74] ipv6_find_idev+0x102/0x170 [ 7014.539700][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7014.539700][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7014.539700][ T74] netlink_rcv_skb+0x130/0x360 [ 7014.539700][ T74] netlink_unicast+0x449/0x710 [ 7014.539700][ T74] netlink_sendmsg+0x723/0xbe0 [ 7014.539700][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7014.539700][ T74] ___sys_sendmsg+0xee/0x170 [ 7014.539700][ T74] __sys_sendmsg+0xcd/0x170 [ 7014.539700][ T74] do_syscall_64+0xc6/0x1e0 [ 7014.539700][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7014.539700][ T74] [ 7014.541385][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 7014.541661][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 7014.541661][ T74] dst_init+0x84/0x4a0 [ 7014.541661][ T74] dst_alloc+0x97/0x150 [ 7014.541661][ T74] ip6_dst_alloc+0x23/0x90 [ 7014.541661][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7014.541661][ T74] ip6_pol_route+0x56f/0x840 [ 7014.541661][ T74] fib6_rule_lookup+0x456/0x630 [ 7014.541661][ T74] ip6_route_input+0x59c/0xa50 [ 7014.541661][ T74] ipv6_rcv+0x397/0x810 [ 7014.541661][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 7014.541661][ T74] process_backlog+0x101/0x620 [ 7014.541661][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 7014.541661][ T74] net_rx_action+0x495/0xbe0 [ 7014.541661][ T74] __do_softirq+0x1b5/0x7f6 [ 7014.541661][ T74] [ 7014.543288][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7014.543288][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 7014.543288][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 7014.543288][ T74] fib6_nh_init+0xa22/0x1580 [ 7014.543288][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7014.543288][ T74] ip6_route_add+0x1c/0x140 [ 7014.543288][ T74] inet6_rtm_newroute+0x104/0x110 [ 7014.543288][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7014.543288][ T74] netlink_rcv_skb+0x130/0x360 [ 7014.543288][ T74] netlink_unicast+0x449/0x710 [ 7014.543288][ T74] netlink_sendmsg+0x723/0xbe0 [ 7014.543288][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7014.543288][ T74] ___sys_sendmsg+0xee/0x170 [ 7014.543288][ T74] __sys_sendmsg+0xcd/0x170 [ 7014.543288][ T74] do_syscall_64+0xc6/0x1e0 [ 7014.543288][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7014.543288][ T74] [ 7014.545156][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7014.545156][ T74] netdev_get_by_index+0x5e/0x80 [ 7014.545156][ T74] fib6_nh_init+0x3d8/0x1580 [ 7014.545156][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7014.545156][ T74] addrconf_f6i_alloc+0x265/0x560 [ 7014.545156][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7014.545156][ T74] addrconf_join_anycast+0x1c0/0x220 [ 7014.545156][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7014.545156][ T74] addrconf_dad_completed+0x12b/0xe20 [ 7014.545156][ T74] addrconf_dad_begin+0x310/0x670 [ 7014.545156][ T74] addrconf_dad_work+0x10b/0xab0 [ 7014.545156][ T74] process_one_work+0x84d/0x18a0 [ 7014.545156][ T74] worker_thread+0x587/0xd30 [ 7014.545156][ T74] kthread+0x28a/0x350 [ 7014.545156][ T74] ret_from_fork+0x31/0x70 [ 7014.545156][ T74] ret_from_fork_asm+0x1a/0x30 [ 7014.545156][ T74] [ 7014.547067][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7014.547067][ T74] netdev_get_by_index+0x5e/0x80 [ 7014.547067][ T74] fib6_nh_init+0x3d8/0x1580 [ 7014.547067][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7014.547067][ T74] ip6_route_add+0x1c/0x140 [ 7014.547067][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7014.547067][ T74] inet6_addr_add+0x4f8/0xa40 [ 7014.547067][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7014.547067][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7014.547067][ T74] netlink_rcv_skb+0x130/0x360 [ 7014.547067][ T74] netlink_unicast+0x449/0x710 [ 7014.547067][ T74] netlink_sendmsg+0x723/0xbe0 [ 7014.547067][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7014.547067][ T74] ___sys_sendmsg+0xee/0x170 [ 7014.547067][ T74] __sys_sendmsg+0xcd/0x170 [ 7014.547067][ T74] do_syscall_64+0xc6/0x1e0 [ 7014.547067][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7014.547067][ T74] [ 7014.549067][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7014.549067][ T74] netdev_get_by_index+0x5e/0x80 [ 7014.549067][ T74] fib6_nh_init+0x3d8/0x1580 [ 7014.549067][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7014.549067][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7014.549067][ T74] ipv6_add_addr+0x411/0x2000 [ 7014.549067][ T74] inet6_addr_add+0x30e/0xa40 [ 7014.549067][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7014.549067][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7014.549067][ T74] netlink_rcv_skb+0x130/0x360 [ 7014.549067][ T74] netlink_unicast+0x449/0x710 [ 7014.549067][ T74] netlink_sendmsg+0x723/0xbe0 [ 7014.549067][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7014.549067][ T74] ___sys_sendmsg+0xee/0x170 [ 7014.549067][ T74] __sys_sendmsg+0xcd/0x170 [ 7014.549067][ T74] do_syscall_64+0xc6/0x1e0 [ 7014.549067][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7014.549067][ T74] [ 7014.551064][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7014.551064][ T74] netdev_get_by_index+0x5e/0x80 [ 7014.551064][ T74] fib6_nh_init+0x3d8/0x1580 [ 7014.551064][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7014.551064][ T74] ip6_route_add+0x1c/0x140 [ 7014.551064][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 7014.551064][ T74] addrconf_add_dev+0xe2/0x170 [ 7014.551064][ T74] inet6_addr_add+0x12f/0xa40 [ 7014.551064][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7014.551064][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7014.551064][ T74] netlink_rcv_skb+0x130/0x360 [ 7014.551064][ T74] netlink_unicast+0x449/0x710 [ 7014.551064][ T74] netlink_sendmsg+0x723/0xbe0 [ 7014.551064][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7014.551064][ T74] ___sys_sendmsg+0xee/0x170 [ 7014.551064][ T74] __sys_sendmsg+0xcd/0x170 [ 7014.551064][ T74] do_syscall_64+0xc6/0x1e0 [ 7014.551064][ T74] [ 7014.553023][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7014.553023][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7014.553023][ T74] ipv6_find_idev+0x102/0x170 [ 7014.553023][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7014.553023][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7014.553023][ T74] netlink_rcv_skb+0x130/0x360 [ 7014.553023][ T74] netlink_unicast+0x449/0x710 [ 7014.553023][ T74] netlink_sendmsg+0x723/0xbe0 [ 7014.553023][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7014.553023][ T74] ___sys_sendmsg+0xee/0x170 [ 7014.553023][ T74] __sys_sendmsg+0xcd/0x170 [ 7014.553023][ T74] do_syscall_64+0xc6/0x1e0 [ 7014.553023][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7014.553023][ T74] [ 7014.554676][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7014.554676][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7014.554676][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7014.554676][ T74] ipv6_find_idev+0x102/0x170 [ 7014.554676][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7014.554676][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7014.554676][ T74] netlink_rcv_skb+0x130/0x360 [ 7014.554676][ T74] netlink_unicast+0x449/0x710 [ 7014.554676][ T74] netlink_sendmsg+0x723/0xbe0 [ 7014.554676][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7014.554676][ T74] ___sys_sendmsg+0xee/0x170 [ 7014.554676][ T74] __sys_sendmsg+0xcd/0x170 [ 7014.554676][ T74] do_syscall_64+0xc6/0x1e0 [ 7014.554676][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7014.554676][ T74] [ 7014.556587][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 7014.556888][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7014.556888][ T74] netdev_get_by_index+0x5e/0x80 [ 7014.556888][ T74] fib6_nh_init+0x3d8/0x1580 [ 7014.556888][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7014.556888][ T74] ip6_route_add+0x1c/0x140 [ 7014.556888][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7014.556888][ T74] inet6_addr_add+0x4f8/0xa40 [ 7014.556888][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7014.556888][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7014.556888][ T74] netlink_rcv_skb+0x130/0x360 [ 7014.556888][ T74] netlink_unicast+0x449/0x710 [ 7014.556888][ T74] netlink_sendmsg+0x723/0xbe0 [ 7014.556888][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7014.556888][ T74] ___sys_sendmsg+0xee/0x170 [ 7014.556888][ T74] __sys_sendmsg+0xcd/0x170 [ 7014.556888][ T74] do_syscall_64+0xc6/0x1e0 [ 7014.556888][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7014.556888][ T74] [ 7014.559114][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7014.559114][ T74] netdev_get_by_index+0x5e/0x80 [ 7014.559114][ T74] fib6_nh_init+0x3d8/0x1580 [ 7014.559114][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7014.559114][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7014.559114][ T74] ipv6_add_addr+0x411/0x2000 [ 7014.559114][ T74] inet6_addr_add+0x30e/0xa40 [ 7014.559114][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7014.559114][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7014.559114][ T74] netlink_rcv_skb+0x130/0x360 [ 7014.559114][ T74] netlink_unicast+0x449/0x710 [ 7014.559114][ T74] netlink_sendmsg+0x723/0xbe0 [ 7014.559114][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7014.559114][ T74] ___sys_sendmsg+0xee/0x170 [ 7014.559114][ T74] __sys_sendmsg+0xcd/0x170 [ 7014.559114][ T74] do_syscall_64+0xc6/0x1e0 [ 7014.559114][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7014.559114][ T74] [ 7014.561288][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7014.561288][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7014.561288][ T74] ipv6_find_idev+0x102/0x170 [ 7014.561288][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7014.561288][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7014.561288][ T74] netlink_rcv_skb+0x130/0x360 [ 7014.561288][ T74] netlink_unicast+0x449/0x710 [ 7014.561288][ T74] netlink_sendmsg+0x723/0xbe0 [ 7014.561288][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7014.561288][ T74] ___sys_sendmsg+0xee/0x170 [ 7014.561288][ T74] __sys_sendmsg+0xcd/0x170 [ 7014.561288][ T74] do_syscall_64+0xc6/0x1e0 [ 7014.561288][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7014.561288][ T74] [ 7014.563000][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7014.563000][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7014.563000][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7014.563000][ T74] ipv6_find_idev+0x102/0x170 [ 7014.563000][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7014.563000][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7014.563000][ T74] netlink_rcv_skb+0x130/0x360 [ 7014.563000][ T74] netlink_unicast+0x449/0x710 [ 7014.563000][ T74] netlink_sendmsg+0x723/0xbe0 [ 7014.563000][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7014.563000][ T74] ___sys_sendmsg+0xee/0x170 [ 7014.563000][ T74] __sys_sendmsg+0xcd/0x170 [ 7014.563000][ T74] do_syscall_64+0xc6/0x1e0 [ 7014.563000][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7014.563000][ T74] [ 7024.639956][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 7024.640372][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7024.640372][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 7024.640372][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 7024.640372][ T74] fib6_nh_init+0xa22/0x1580 [ 7024.640372][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7024.640372][ T74] ip6_route_add+0x1c/0x140 [ 7024.640372][ T74] inet6_rtm_newroute+0x104/0x110 [ 7024.640372][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7024.640372][ T74] netlink_rcv_skb+0x130/0x360 [ 7024.640372][ T74] netlink_unicast+0x449/0x710 [ 7024.640372][ T74] netlink_sendmsg+0x723/0xbe0 [ 7024.640372][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7024.640372][ T74] ___sys_sendmsg+0xee/0x170 [ 7024.640372][ T74] __sys_sendmsg+0xcd/0x170 [ 7024.640372][ T74] do_syscall_64+0xc6/0x1e0 [ 7024.640372][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7024.640372][ T74] [ 7024.642272][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7024.642272][ T74] netdev_get_by_index+0x5e/0x80 [ 7024.642272][ T74] fib6_nh_init+0x3d8/0x1580 [ 7024.642272][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7024.642272][ T74] addrconf_f6i_alloc+0x265/0x560 [ 7024.642272][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7024.642272][ T74] addrconf_join_anycast+0x1c0/0x220 [ 7024.642272][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7024.642272][ T74] addrconf_dad_completed+0x12b/0xe20 [ 7024.642272][ T74] addrconf_dad_begin+0x310/0x670 [ 7024.642272][ T74] addrconf_dad_work+0x10b/0xab0 [ 7024.642272][ T74] process_one_work+0x84d/0x18a0 [ 7024.642272][ T74] worker_thread+0x587/0xd30 [ 7024.642272][ T74] kthread+0x28a/0x350 [ 7024.642272][ T74] ret_from_fork+0x31/0x70 [ 7024.642272][ T74] ret_from_fork_asm+0x1a/0x30 [ 7024.642272][ T74] [ 7024.644182][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7024.644182][ T74] netdev_get_by_index+0x5e/0x80 [ 7024.644182][ T74] fib6_nh_init+0x3d8/0x1580 [ 7024.644182][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7024.644182][ T74] ip6_route_add+0x1c/0x140 [ 7024.644182][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7024.644182][ T74] inet6_addr_add+0x4f8/0xa40 [ 7024.644182][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7024.644182][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7024.644182][ T74] netlink_rcv_skb+0x130/0x360 [ 7024.644182][ T74] netlink_unicast+0x449/0x710 [ 7024.644182][ T74] netlink_sendmsg+0x723/0xbe0 [ 7024.644182][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7024.644182][ T74] ___sys_sendmsg+0xee/0x170 [ 7024.644182][ T74] __sys_sendmsg+0xcd/0x170 [ 7024.644182][ T74] do_syscall_64+0xc6/0x1e0 [ 7024.644182][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7024.644182][ T74] [ 7024.646186][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7024.646186][ T74] netdev_get_by_index+0x5e/0x80 [ 7024.646186][ T74] fib6_nh_init+0x3d8/0x1580 [ 7024.646186][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7024.646186][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7024.646186][ T74] ipv6_add_addr+0x411/0x2000 [ 7024.646186][ T74] inet6_addr_add+0x30e/0xa40 [ 7024.646186][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7024.646186][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7024.646186][ T74] netlink_rcv_skb+0x130/0x360 [ 7024.646186][ T74] netlink_unicast+0x449/0x710 [ 7024.646186][ T74] netlink_sendmsg+0x723/0xbe0 [ 7024.646186][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7024.646186][ T74] ___sys_sendmsg+0xee/0x170 [ 7024.646186][ T74] __sys_sendmsg+0xcd/0x170 [ 7024.646186][ T74] do_syscall_64+0xc6/0x1e0 [ 7024.646186][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7024.646186][ T74] [ 7024.648180][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7024.648180][ T74] netdev_get_by_index+0x5e/0x80 [ 7024.648180][ T74] fib6_nh_init+0x3d8/0x1580 [ 7024.648180][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7024.648180][ T74] ip6_route_add+0x1c/0x140 [ 7024.648180][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 7024.648180][ T74] addrconf_add_dev+0xe2/0x170 [ 7024.648180][ T74] inet6_addr_add+0x12f/0xa40 [ 7024.648180][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7024.648180][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7024.648180][ T74] netlink_rcv_skb+0x130/0x360 [ 7024.648180][ T74] netlink_unicast+0x449/0x710 [ 7024.648180][ T74] netlink_sendmsg+0x723/0xbe0 [ 7024.648180][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7024.648180][ T74] ___sys_sendmsg+0xee/0x170 [ 7024.648180][ T74] __sys_sendmsg+0xcd/0x170 [ 7024.648180][ T74] do_syscall_64+0xc6/0x1e0 [ 7024.648180][ T74] [ 7024.650131][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7024.650131][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7024.650131][ T74] ipv6_find_idev+0x102/0x170 [ 7024.650131][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7024.650131][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7024.650131][ T74] netlink_rcv_skb+0x130/0x360 [ 7024.650131][ T74] netlink_unicast+0x449/0x710 [ 7024.650131][ T74] netlink_sendmsg+0x723/0xbe0 [ 7024.650131][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7024.650131][ T74] ___sys_sendmsg+0xee/0x170 [ 7024.650131][ T74] __sys_sendmsg+0xcd/0x170 [ 7024.650131][ T74] do_syscall_64+0xc6/0x1e0 [ 7024.650131][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7024.650131][ T74] [ 7024.651660][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7024.651660][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7024.651660][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7024.651660][ T74] ipv6_find_idev+0x102/0x170 [ 7024.651660][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7024.651660][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7024.651660][ T74] netlink_rcv_skb+0x130/0x360 [ 7024.651660][ T74] netlink_unicast+0x449/0x710 [ 7024.651660][ T74] netlink_sendmsg+0x723/0xbe0 [ 7024.651660][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7024.651660][ T74] ___sys_sendmsg+0xee/0x170 [ 7024.651660][ T74] __sys_sendmsg+0xcd/0x170 [ 7024.651660][ T74] do_syscall_64+0xc6/0x1e0 [ 7024.651660][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7024.651660][ T74] [ 7024.653332][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 7024.653601][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 7024.653601][ T74] dst_init+0x84/0x4a0 [ 7024.653601][ T74] dst_alloc+0x97/0x150 [ 7024.653601][ T74] ip6_dst_alloc+0x23/0x90 [ 7024.653601][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7024.653601][ T74] ip6_pol_route+0x56f/0x840 [ 7024.653601][ T74] fib6_rule_lookup+0x456/0x630 [ 7024.653601][ T74] ip6_route_input+0x59c/0xa50 [ 7024.653601][ T74] ipv6_rcv+0x397/0x810 [ 7024.653601][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 7024.653601][ T74] process_backlog+0x101/0x620 [ 7024.653601][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 7024.653601][ T74] net_rx_action+0x495/0xbe0 [ 7024.653601][ T74] __do_softirq+0x1b5/0x7f6 [ 7024.653601][ T74] [ 7024.655246][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7024.655246][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 7024.655246][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 7024.655246][ T74] fib6_nh_init+0xa22/0x1580 [ 7024.655246][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7024.655246][ T74] ip6_route_add+0x1c/0x140 [ 7024.655246][ T74] inet6_rtm_newroute+0x104/0x110 [ 7024.655246][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7024.655246][ T74] netlink_rcv_skb+0x130/0x360 [ 7024.655246][ T74] netlink_unicast+0x449/0x710 [ 7024.655246][ T74] netlink_sendmsg+0x723/0xbe0 [ 7024.655246][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7024.655246][ T74] ___sys_sendmsg+0xee/0x170 [ 7024.655246][ T74] __sys_sendmsg+0xcd/0x170 [ 7024.655246][ T74] do_syscall_64+0xc6/0x1e0 [ 7024.655246][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7024.655246][ T74] [ 7024.657118][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7024.657118][ T74] netdev_get_by_index+0x5e/0x80 [ 7024.657118][ T74] fib6_nh_init+0x3d8/0x1580 [ 7024.657118][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7024.657118][ T74] addrconf_f6i_alloc+0x265/0x560 [ 7024.657118][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7024.657118][ T74] addrconf_join_anycast+0x1c0/0x220 [ 7024.657118][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7024.657118][ T74] addrconf_dad_completed+0x12b/0xe20 [ 7024.657118][ T74] addrconf_dad_begin+0x310/0x670 [ 7024.657118][ T74] addrconf_dad_work+0x10b/0xab0 [ 7024.657118][ T74] process_one_work+0x84d/0x18a0 [ 7024.657118][ T74] worker_thread+0x587/0xd30 [ 7024.657118][ T74] kthread+0x28a/0x350 [ 7024.657118][ T74] ret_from_fork+0x31/0x70 [ 7024.657118][ T74] ret_from_fork_asm+0x1a/0x30 [ 7024.657118][ T74] [ 7024.659013][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7024.659013][ T74] netdev_get_by_index+0x5e/0x80 [ 7024.659013][ T74] fib6_nh_init+0x3d8/0x1580 [ 7024.659013][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7024.659013][ T74] ip6_route_add+0x1c/0x140 [ 7024.659013][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7024.659013][ T74] inet6_addr_add+0x4f8/0xa40 [ 7024.659013][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7024.659013][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7024.659013][ T74] netlink_rcv_skb+0x130/0x360 [ 7024.659013][ T74] netlink_unicast+0x449/0x710 [ 7024.659013][ T74] netlink_sendmsg+0x723/0xbe0 [ 7024.659013][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7024.659013][ T74] ___sys_sendmsg+0xee/0x170 [ 7024.659013][ T74] __sys_sendmsg+0xcd/0x170 [ 7024.659013][ T74] do_syscall_64+0xc6/0x1e0 [ 7024.659013][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7024.659013][ T74] [ 7024.661007][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7024.661007][ T74] netdev_get_by_index+0x5e/0x80 [ 7024.661007][ T74] fib6_nh_init+0x3d8/0x1580 [ 7024.661007][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7024.661007][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7024.661007][ T74] ipv6_add_addr+0x411/0x2000 [ 7024.661007][ T74] inet6_addr_add+0x30e/0xa40 [ 7024.661007][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7024.661007][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7024.661007][ T74] netlink_rcv_skb+0x130/0x360 [ 7024.661007][ T74] netlink_unicast+0x449/0x710 [ 7024.661007][ T74] netlink_sendmsg+0x723/0xbe0 [ 7024.661007][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7024.661007][ T74] ___sys_sendmsg+0xee/0x170 [ 7024.661007][ T74] __sys_sendmsg+0xcd/0x170 [ 7024.661007][ T74] do_syscall_64+0xc6/0x1e0 [ 7024.661007][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7024.661007][ T74] [ 7024.662987][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7024.662987][ T74] netdev_get_by_index+0x5e/0x80 [ 7024.662987][ T74] fib6_nh_init+0x3d8/0x1580 [ 7024.662987][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7024.662987][ T74] ip6_route_add+0x1c/0x140 [ 7024.662987][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 7024.662987][ T74] addrconf_add_dev+0xe2/0x170 [ 7024.662987][ T74] inet6_addr_add+0x12f/0xa40 [ 7024.662987][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7024.662987][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7024.662987][ T74] netlink_rcv_skb+0x130/0x360 [ 7024.662987][ T74] netlink_unicast+0x449/0x710 [ 7024.662987][ T74] netlink_sendmsg+0x723/0xbe0 [ 7024.662987][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7024.662987][ T74] ___sys_sendmsg+0xee/0x170 [ 7024.662987][ T74] __sys_sendmsg+0xcd/0x170 [ 7024.662987][ T74] do_syscall_64+0xc6/0x1e0 [ 7024.662987][ T74] [ 7024.664947][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7024.664947][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7024.664947][ T74] ipv6_find_idev+0x102/0x170 [ 7024.664947][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7024.664947][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7024.664947][ T74] netlink_rcv_skb+0x130/0x360 [ 7024.664947][ T74] netlink_unicast+0x449/0x710 [ 7024.664947][ T74] netlink_sendmsg+0x723/0xbe0 [ 7024.664947][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7024.664947][ T74] ___sys_sendmsg+0xee/0x170 [ 7024.664947][ T74] __sys_sendmsg+0xcd/0x170 [ 7024.664947][ T74] do_syscall_64+0xc6/0x1e0 [ 7024.664947][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7024.664947][ T74] [ 7024.666604][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7024.666604][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7024.666604][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7024.666604][ T74] ipv6_find_idev+0x102/0x170 [ 7024.666604][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7024.666604][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7024.666604][ T74] netlink_rcv_skb+0x130/0x360 [ 7024.666604][ T74] netlink_unicast+0x449/0x710 [ 7024.666604][ T74] netlink_sendmsg+0x723/0xbe0 [ 7024.666604][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7024.666604][ T74] ___sys_sendmsg+0xee/0x170 [ 7024.666604][ T74] __sys_sendmsg+0xcd/0x170 [ 7024.666604][ T74] do_syscall_64+0xc6/0x1e0 [ 7024.666604][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7024.666604][ T74] [ 7024.668452][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 7024.668751][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7024.668751][ T74] netdev_get_by_index+0x5e/0x80 [ 7024.668751][ T74] fib6_nh_init+0x3d8/0x1580 [ 7024.668751][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7024.668751][ T74] ip6_route_add+0x1c/0x140 [ 7024.668751][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7024.668751][ T74] inet6_addr_add+0x4f8/0xa40 [ 7024.668751][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7024.668751][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7024.668751][ T74] netlink_rcv_skb+0x130/0x360 [ 7024.668751][ T74] netlink_unicast+0x449/0x710 [ 7024.668751][ T74] netlink_sendmsg+0x723/0xbe0 [ 7024.668751][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7024.668751][ T74] ___sys_sendmsg+0xee/0x170 [ 7024.668751][ T74] __sys_sendmsg+0xcd/0x170 [ 7024.668751][ T74] do_syscall_64+0xc6/0x1e0 [ 7024.668751][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7024.668751][ T74] [ 7024.671045][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7024.671045][ T74] netdev_get_by_index+0x5e/0x80 [ 7024.671045][ T74] fib6_nh_init+0x3d8/0x1580 [ 7024.671045][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7024.671045][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7024.671045][ T74] ipv6_add_addr+0x411/0x2000 [ 7024.671045][ T74] inet6_addr_add+0x30e/0xa40 [ 7024.671045][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7024.671045][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7024.671045][ T74] netlink_rcv_skb+0x130/0x360 [ 7024.671045][ T74] netlink_unicast+0x449/0x710 [ 7024.671045][ T74] netlink_sendmsg+0x723/0xbe0 [ 7024.671045][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7024.671045][ T74] ___sys_sendmsg+0xee/0x170 [ 7024.671045][ T74] __sys_sendmsg+0xcd/0x170 [ 7024.671045][ T74] do_syscall_64+0xc6/0x1e0 [ 7024.671045][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7024.671045][ T74] [ 7024.673217][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7024.673217][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7024.673217][ T74] ipv6_find_idev+0x102/0x170 [ 7024.673217][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7024.673217][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7024.673217][ T74] netlink_rcv_skb+0x130/0x360 [ 7024.673217][ T74] netlink_unicast+0x449/0x710 [ 7024.673217][ T74] netlink_sendmsg+0x723/0xbe0 [ 7024.673217][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7024.673217][ T74] ___sys_sendmsg+0xee/0x170 [ 7024.673217][ T74] __sys_sendmsg+0xcd/0x170 [ 7024.673217][ T74] do_syscall_64+0xc6/0x1e0 [ 7024.673217][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7024.673217][ T74] [ 7024.674872][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7024.674872][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7024.674872][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7024.674872][ T74] ipv6_find_idev+0x102/0x170 [ 7024.674872][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7024.674872][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7024.674872][ T74] netlink_rcv_skb+0x130/0x360 [ 7024.674872][ T74] netlink_unicast+0x449/0x710 [ 7024.674872][ T74] netlink_sendmsg+0x723/0xbe0 [ 7024.674872][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7024.674872][ T74] ___sys_sendmsg+0xee/0x170 [ 7024.674872][ T74] __sys_sendmsg+0xcd/0x170 [ 7024.674872][ T74] do_syscall_64+0xc6/0x1e0 [ 7024.674872][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7024.674872][ T74] [ 7034.911952][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 7034.912366][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7034.912366][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 7034.912366][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 7034.912366][ T74] fib6_nh_init+0xa22/0x1580 [ 7034.912366][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7034.912366][ T74] ip6_route_add+0x1c/0x140 [ 7034.912366][ T74] inet6_rtm_newroute+0x104/0x110 [ 7034.912366][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7034.912366][ T74] netlink_rcv_skb+0x130/0x360 [ 7034.912366][ T74] netlink_unicast+0x449/0x710 [ 7034.912366][ T74] netlink_sendmsg+0x723/0xbe0 [ 7034.912366][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7034.912366][ T74] ___sys_sendmsg+0xee/0x170 [ 7034.912366][ T74] __sys_sendmsg+0xcd/0x170 [ 7034.912366][ T74] do_syscall_64+0xc6/0x1e0 [ 7034.912366][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7034.912366][ T74] [ 7034.914271][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7034.914271][ T74] netdev_get_by_index+0x5e/0x80 [ 7034.914271][ T74] fib6_nh_init+0x3d8/0x1580 [ 7034.914271][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7034.914271][ T74] addrconf_f6i_alloc+0x265/0x560 [ 7034.914271][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7034.914271][ T74] addrconf_join_anycast+0x1c0/0x220 [ 7034.914271][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7034.914271][ T74] addrconf_dad_completed+0x12b/0xe20 [ 7034.914271][ T74] addrconf_dad_begin+0x310/0x670 [ 7034.914271][ T74] addrconf_dad_work+0x10b/0xab0 [ 7034.914271][ T74] process_one_work+0x84d/0x18a0 [ 7034.914271][ T74] worker_thread+0x587/0xd30 [ 7034.914271][ T74] kthread+0x28a/0x350 [ 7034.914271][ T74] ret_from_fork+0x31/0x70 [ 7034.914271][ T74] ret_from_fork_asm+0x1a/0x30 [ 7034.914271][ T74] [ 7034.916203][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7034.916203][ T74] netdev_get_by_index+0x5e/0x80 [ 7034.916203][ T74] fib6_nh_init+0x3d8/0x1580 [ 7034.916203][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7034.916203][ T74] ip6_route_add+0x1c/0x140 [ 7034.916203][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7034.916203][ T74] inet6_addr_add+0x4f8/0xa40 [ 7034.916203][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7034.916203][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7034.916203][ T74] netlink_rcv_skb+0x130/0x360 [ 7034.916203][ T74] netlink_unicast+0x449/0x710 [ 7034.916203][ T74] netlink_sendmsg+0x723/0xbe0 [ 7034.916203][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7034.916203][ T74] ___sys_sendmsg+0xee/0x170 [ 7034.916203][ T74] __sys_sendmsg+0xcd/0x170 [ 7034.916203][ T74] do_syscall_64+0xc6/0x1e0 [ 7034.916203][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7034.916203][ T74] [ 7034.918199][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7034.918199][ T74] netdev_get_by_index+0x5e/0x80 [ 7034.918199][ T74] fib6_nh_init+0x3d8/0x1580 [ 7034.918199][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7034.918199][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7034.918199][ T74] ipv6_add_addr+0x411/0x2000 [ 7034.918199][ T74] inet6_addr_add+0x30e/0xa40 [ 7034.918199][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7034.918199][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7034.918199][ T74] netlink_rcv_skb+0x130/0x360 [ 7034.918199][ T74] netlink_unicast+0x449/0x710 [ 7034.918199][ T74] netlink_sendmsg+0x723/0xbe0 [ 7034.918199][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7034.918199][ T74] ___sys_sendmsg+0xee/0x170 [ 7034.918199][ T74] __sys_sendmsg+0xcd/0x170 [ 7034.918199][ T74] do_syscall_64+0xc6/0x1e0 [ 7034.918199][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7034.918199][ T74] [ 7034.920189][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7034.920189][ T74] netdev_get_by_index+0x5e/0x80 [ 7034.920189][ T74] fib6_nh_init+0x3d8/0x1580 [ 7034.920189][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7034.920189][ T74] ip6_route_add+0x1c/0x140 [ 7034.920189][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 7034.920189][ T74] addrconf_add_dev+0xe2/0x170 [ 7034.920189][ T74] inet6_addr_add+0x12f/0xa40 [ 7034.920189][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7034.920189][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7034.920189][ T74] netlink_rcv_skb+0x130/0x360 [ 7034.920189][ T74] netlink_unicast+0x449/0x710 [ 7034.920189][ T74] netlink_sendmsg+0x723/0xbe0 [ 7034.920189][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7034.920189][ T74] ___sys_sendmsg+0xee/0x170 [ 7034.920189][ T74] __sys_sendmsg+0xcd/0x170 [ 7034.920189][ T74] do_syscall_64+0xc6/0x1e0 [ 7034.920189][ T74] [ 7034.922146][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7034.922146][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7034.922146][ T74] ipv6_find_idev+0x102/0x170 [ 7034.922146][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7034.922146][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7034.922146][ T74] netlink_rcv_skb+0x130/0x360 [ 7034.922146][ T74] netlink_unicast+0x449/0x710 [ 7034.922146][ T74] netlink_sendmsg+0x723/0xbe0 [ 7034.922146][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7034.922146][ T74] ___sys_sendmsg+0xee/0x170 [ 7034.922146][ T74] __sys_sendmsg+0xcd/0x170 [ 7034.922146][ T74] do_syscall_64+0xc6/0x1e0 [ 7034.922146][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7034.922146][ T74] [ 7034.923687][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7034.923687][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7034.923687][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7034.923687][ T74] ipv6_find_idev+0x102/0x170 [ 7034.923687][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7034.923687][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7034.923687][ T74] netlink_rcv_skb+0x130/0x360 [ 7034.923687][ T74] netlink_unicast+0x449/0x710 [ 7034.923687][ T74] netlink_sendmsg+0x723/0xbe0 [ 7034.923687][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7034.923687][ T74] ___sys_sendmsg+0xee/0x170 [ 7034.923687][ T74] __sys_sendmsg+0xcd/0x170 [ 7034.923687][ T74] do_syscall_64+0xc6/0x1e0 [ 7034.923687][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7034.923687][ T74] [ 7034.925384][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 7034.925667][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 7034.925667][ T74] dst_init+0x84/0x4a0 [ 7034.925667][ T74] dst_alloc+0x97/0x150 [ 7034.925667][ T74] ip6_dst_alloc+0x23/0x90 [ 7034.925667][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7034.925667][ T74] ip6_pol_route+0x56f/0x840 [ 7034.925667][ T74] fib6_rule_lookup+0x456/0x630 [ 7034.925667][ T74] ip6_route_input+0x59c/0xa50 [ 7034.925667][ T74] ipv6_rcv+0x397/0x810 [ 7034.925667][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 7034.925667][ T74] process_backlog+0x101/0x620 [ 7034.925667][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 7034.925667][ T74] net_rx_action+0x495/0xbe0 [ 7034.925667][ T74] __do_softirq+0x1b5/0x7f6 [ 7034.925667][ T74] [ 7034.927302][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7034.927302][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 7034.927302][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 7034.927302][ T74] fib6_nh_init+0xa22/0x1580 [ 7034.927302][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7034.927302][ T74] ip6_route_add+0x1c/0x140 [ 7034.927302][ T74] inet6_rtm_newroute+0x104/0x110 [ 7034.927302][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7034.927302][ T74] netlink_rcv_skb+0x130/0x360 [ 7034.927302][ T74] netlink_unicast+0x449/0x710 [ 7034.927302][ T74] netlink_sendmsg+0x723/0xbe0 [ 7034.927302][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7034.927302][ T74] ___sys_sendmsg+0xee/0x170 [ 7034.927302][ T74] __sys_sendmsg+0xcd/0x170 [ 7034.927302][ T74] do_syscall_64+0xc6/0x1e0 [ 7034.927302][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7034.927302][ T74] [ 7034.929168][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7034.929168][ T74] netdev_get_by_index+0x5e/0x80 [ 7034.929168][ T74] fib6_nh_init+0x3d8/0x1580 [ 7034.929168][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7034.929168][ T74] addrconf_f6i_alloc+0x265/0x560 [ 7034.929168][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7034.929168][ T74] addrconf_join_anycast+0x1c0/0x220 [ 7034.929168][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7034.929168][ T74] addrconf_dad_completed+0x12b/0xe20 [ 7034.929168][ T74] addrconf_dad_begin+0x310/0x670 [ 7034.929168][ T74] addrconf_dad_work+0x10b/0xab0 [ 7034.929168][ T74] process_one_work+0x84d/0x18a0 [ 7034.929168][ T74] worker_thread+0x587/0xd30 [ 7034.929168][ T74] kthread+0x28a/0x350 [ 7034.929168][ T74] ret_from_fork+0x31/0x70 [ 7034.929168][ T74] ret_from_fork_asm+0x1a/0x30 [ 7034.929168][ T74] [ 7034.931107][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7034.931107][ T74] netdev_get_by_index+0x5e/0x80 [ 7034.931107][ T74] fib6_nh_init+0x3d8/0x1580 [ 7034.931107][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7034.931107][ T74] ip6_route_add+0x1c/0x140 [ 7034.931107][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7034.931107][ T74] inet6_addr_add+0x4f8/0xa40 [ 7034.931107][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7034.931107][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7034.931107][ T74] netlink_rcv_skb+0x130/0x360 [ 7034.931107][ T74] netlink_unicast+0x449/0x710 [ 7034.931107][ T74] netlink_sendmsg+0x723/0xbe0 [ 7034.931107][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7034.931107][ T74] ___sys_sendmsg+0xee/0x170 [ 7034.931107][ T74] __sys_sendmsg+0xcd/0x170 [ 7034.931107][ T74] do_syscall_64+0xc6/0x1e0 [ 7034.931107][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7034.931107][ T74] [ 7034.933103][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7034.933103][ T74] netdev_get_by_index+0x5e/0x80 [ 7034.933103][ T74] fib6_nh_init+0x3d8/0x1580 [ 7034.933103][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7034.933103][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7034.933103][ T74] ipv6_add_addr+0x411/0x2000 [ 7034.933103][ T74] inet6_addr_add+0x30e/0xa40 [ 7034.933103][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7034.933103][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7034.933103][ T74] netlink_rcv_skb+0x130/0x360 [ 7034.933103][ T74] netlink_unicast+0x449/0x710 [ 7034.933103][ T74] netlink_sendmsg+0x723/0xbe0 [ 7034.933103][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7034.933103][ T74] ___sys_sendmsg+0xee/0x170 [ 7034.933103][ T74] __sys_sendmsg+0xcd/0x170 [ 7034.933103][ T74] do_syscall_64+0xc6/0x1e0 [ 7034.933103][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7034.933103][ T74] [ 7034.935097][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7034.935097][ T74] netdev_get_by_index+0x5e/0x80 [ 7034.935097][ T74] fib6_nh_init+0x3d8/0x1580 [ 7034.935097][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7034.935097][ T74] ip6_route_add+0x1c/0x140 [ 7034.935097][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 7034.935097][ T74] addrconf_add_dev+0xe2/0x170 [ 7034.935097][ T74] inet6_addr_add+0x12f/0xa40 [ 7034.935097][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7034.935097][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7034.935097][ T74] netlink_rcv_skb+0x130/0x360 [ 7034.935097][ T74] netlink_unicast+0x449/0x710 [ 7034.935097][ T74] netlink_sendmsg+0x723/0xbe0 [ 7034.935097][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7034.935097][ T74] ___sys_sendmsg+0xee/0x170 [ 7034.935097][ T74] __sys_sendmsg+0xcd/0x170 [ 7034.935097][ T74] do_syscall_64+0xc6/0x1e0 [ 7034.935097][ T74] [ 7034.937063][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7034.937063][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7034.937063][ T74] ipv6_find_idev+0x102/0x170 [ 7034.937063][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7034.937063][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7034.937063][ T74] netlink_rcv_skb+0x130/0x360 [ 7034.937063][ T74] netlink_unicast+0x449/0x710 [ 7034.937063][ T74] netlink_sendmsg+0x723/0xbe0 [ 7034.937063][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7034.937063][ T74] ___sys_sendmsg+0xee/0x170 [ 7034.937063][ T74] __sys_sendmsg+0xcd/0x170 [ 7034.937063][ T74] do_syscall_64+0xc6/0x1e0 [ 7034.937063][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7034.937063][ T74] [ 7034.938673][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7034.938673][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7034.938673][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7034.938673][ T74] ipv6_find_idev+0x102/0x170 [ 7034.938673][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7034.938673][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7034.938673][ T74] netlink_rcv_skb+0x130/0x360 [ 7034.938673][ T74] netlink_unicast+0x449/0x710 [ 7034.938673][ T74] netlink_sendmsg+0x723/0xbe0 [ 7034.938673][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7034.938673][ T74] ___sys_sendmsg+0xee/0x170 [ 7034.938673][ T74] __sys_sendmsg+0xcd/0x170 [ 7034.938673][ T74] do_syscall_64+0xc6/0x1e0 [ 7034.938673][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7034.938673][ T74] [ 7034.940485][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 7034.940721][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7034.940721][ T74] netdev_get_by_index+0x5e/0x80 [ 7034.940721][ T74] fib6_nh_init+0x3d8/0x1580 [ 7034.940721][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7034.940721][ T74] ip6_route_add+0x1c/0x140 [ 7034.940721][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7034.940721][ T74] inet6_addr_add+0x4f8/0xa40 [ 7034.940721][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7034.940721][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7034.940721][ T74] netlink_rcv_skb+0x130/0x360 [ 7034.940721][ T74] netlink_unicast+0x449/0x710 [ 7034.940721][ T74] netlink_sendmsg+0x723/0xbe0 [ 7034.940721][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7034.940721][ T74] ___sys_sendmsg+0xee/0x170 [ 7034.940721][ T74] __sys_sendmsg+0xcd/0x170 [ 7034.940721][ T74] do_syscall_64+0xc6/0x1e0 [ 7034.940721][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7034.940721][ T74] [ 7034.942850][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7034.942850][ T74] netdev_get_by_index+0x5e/0x80 [ 7034.942850][ T74] fib6_nh_init+0x3d8/0x1580 [ 7034.942850][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7034.942850][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7034.942850][ T74] ipv6_add_addr+0x411/0x2000 [ 7034.942850][ T74] inet6_addr_add+0x30e/0xa40 [ 7034.942850][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7034.942850][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7034.942850][ T74] netlink_rcv_skb+0x130/0x360 [ 7034.942850][ T74] netlink_unicast+0x449/0x710 [ 7034.942850][ T74] netlink_sendmsg+0x723/0xbe0 [ 7034.942850][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7034.942850][ T74] ___sys_sendmsg+0xee/0x170 [ 7034.942850][ T74] __sys_sendmsg+0xcd/0x170 [ 7034.942850][ T74] do_syscall_64+0xc6/0x1e0 [ 7034.942850][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7034.942850][ T74] [ 7034.944976][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7034.944976][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7034.944976][ T74] ipv6_find_idev+0x102/0x170 [ 7034.944976][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7034.944976][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7034.944976][ T74] netlink_rcv_skb+0x130/0x360 [ 7034.944976][ T74] netlink_unicast+0x449/0x710 [ 7034.944976][ T74] netlink_sendmsg+0x723/0xbe0 [ 7034.944976][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7034.944976][ T74] ___sys_sendmsg+0xee/0x170 [ 7034.944976][ T74] __sys_sendmsg+0xcd/0x170 [ 7034.944976][ T74] do_syscall_64+0xc6/0x1e0 [ 7034.944976][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7034.944976][ T74] [ 7034.946643][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7034.946643][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7034.946643][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7034.946643][ T74] ipv6_find_idev+0x102/0x170 [ 7034.946643][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7034.946643][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7034.946643][ T74] netlink_rcv_skb+0x130/0x360 [ 7034.946643][ T74] netlink_unicast+0x449/0x710 [ 7034.946643][ T74] netlink_sendmsg+0x723/0xbe0 [ 7034.946643][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7034.946643][ T74] ___sys_sendmsg+0xee/0x170 [ 7034.946643][ T74] __sys_sendmsg+0xcd/0x170 [ 7034.946643][ T74] do_syscall_64+0xc6/0x1e0 [ 7034.946643][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7034.946643][ T74] [ 7045.191949][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 7045.192378][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7045.192378][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 7045.192378][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 7045.192378][ T74] fib6_nh_init+0xa22/0x1580 [ 7045.192378][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7045.192378][ T74] ip6_route_add+0x1c/0x140 [ 7045.192378][ T74] inet6_rtm_newroute+0x104/0x110 [ 7045.192378][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7045.192378][ T74] netlink_rcv_skb+0x130/0x360 [ 7045.192378][ T74] netlink_unicast+0x449/0x710 [ 7045.192378][ T74] netlink_sendmsg+0x723/0xbe0 [ 7045.192378][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7045.192378][ T74] ___sys_sendmsg+0xee/0x170 [ 7045.192378][ T74] __sys_sendmsg+0xcd/0x170 [ 7045.192378][ T74] do_syscall_64+0xc6/0x1e0 [ 7045.192378][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7045.192378][ T74] [ 7045.194266][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7045.194266][ T74] netdev_get_by_index+0x5e/0x80 [ 7045.194266][ T74] fib6_nh_init+0x3d8/0x1580 [ 7045.194266][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7045.194266][ T74] addrconf_f6i_alloc+0x265/0x560 [ 7045.194266][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7045.194266][ T74] addrconf_join_anycast+0x1c0/0x220 [ 7045.194266][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7045.194266][ T74] addrconf_dad_completed+0x12b/0xe20 [ 7045.194266][ T74] addrconf_dad_begin+0x310/0x670 [ 7045.194266][ T74] addrconf_dad_work+0x10b/0xab0 [ 7045.194266][ T74] process_one_work+0x84d/0x18a0 [ 7045.194266][ T74] worker_thread+0x587/0xd30 [ 7045.194266][ T74] kthread+0x28a/0x350 [ 7045.194266][ T74] ret_from_fork+0x31/0x70 [ 7045.194266][ T74] ret_from_fork_asm+0x1a/0x30 [ 7045.194266][ T74] [ 7045.196183][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7045.196183][ T74] netdev_get_by_index+0x5e/0x80 [ 7045.196183][ T74] fib6_nh_init+0x3d8/0x1580 [ 7045.196183][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7045.196183][ T74] ip6_route_add+0x1c/0x140 [ 7045.196183][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7045.196183][ T74] inet6_addr_add+0x4f8/0xa40 [ 7045.196183][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7045.196183][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7045.196183][ T74] netlink_rcv_skb+0x130/0x360 [ 7045.196183][ T74] netlink_unicast+0x449/0x710 [ 7045.196183][ T74] netlink_sendmsg+0x723/0xbe0 [ 7045.196183][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7045.196183][ T74] ___sys_sendmsg+0xee/0x170 [ 7045.196183][ T74] __sys_sendmsg+0xcd/0x170 [ 7045.196183][ T74] do_syscall_64+0xc6/0x1e0 [ 7045.196183][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7045.196183][ T74] [ 7045.198170][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7045.198170][ T74] netdev_get_by_index+0x5e/0x80 [ 7045.198170][ T74] fib6_nh_init+0x3d8/0x1580 [ 7045.198170][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7045.198170][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7045.198170][ T74] ipv6_add_addr+0x411/0x2000 [ 7045.198170][ T74] inet6_addr_add+0x30e/0xa40 [ 7045.198170][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7045.198170][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7045.198170][ T74] netlink_rcv_skb+0x130/0x360 [ 7045.198170][ T74] netlink_unicast+0x449/0x710 [ 7045.198170][ T74] netlink_sendmsg+0x723/0xbe0 [ 7045.198170][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7045.198170][ T74] ___sys_sendmsg+0xee/0x170 [ 7045.198170][ T74] __sys_sendmsg+0xcd/0x170 [ 7045.198170][ T74] do_syscall_64+0xc6/0x1e0 [ 7045.198170][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7045.198170][ T74] [ 7045.200171][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7045.200171][ T74] netdev_get_by_index+0x5e/0x80 [ 7045.200171][ T74] fib6_nh_init+0x3d8/0x1580 [ 7045.200171][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7045.200171][ T74] ip6_route_add+0x1c/0x140 [ 7045.200171][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 7045.200171][ T74] addrconf_add_dev+0xe2/0x170 [ 7045.200171][ T74] inet6_addr_add+0x12f/0xa40 [ 7045.200171][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7045.200171][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7045.200171][ T74] netlink_rcv_skb+0x130/0x360 [ 7045.200171][ T74] netlink_unicast+0x449/0x710 [ 7045.200171][ T74] netlink_sendmsg+0x723/0xbe0 [ 7045.200171][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7045.200171][ T74] ___sys_sendmsg+0xee/0x170 [ 7045.200171][ T74] __sys_sendmsg+0xcd/0x170 [ 7045.200171][ T74] do_syscall_64+0xc6/0x1e0 [ 7045.200171][ T74] [ 7045.202119][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7045.202119][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7045.202119][ T74] ipv6_find_idev+0x102/0x170 [ 7045.202119][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7045.202119][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7045.202119][ T74] netlink_rcv_skb+0x130/0x360 [ 7045.202119][ T74] netlink_unicast+0x449/0x710 [ 7045.202119][ T74] netlink_sendmsg+0x723/0xbe0 [ 7045.202119][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7045.202119][ T74] ___sys_sendmsg+0xee/0x170 [ 7045.202119][ T74] __sys_sendmsg+0xcd/0x170 [ 7045.202119][ T74] do_syscall_64+0xc6/0x1e0 [ 7045.202119][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7045.202119][ T74] [ 7045.203656][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7045.203656][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7045.203656][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7045.203656][ T74] ipv6_find_idev+0x102/0x170 [ 7045.203656][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7045.203656][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7045.203656][ T74] netlink_rcv_skb+0x130/0x360 [ 7045.203656][ T74] netlink_unicast+0x449/0x710 [ 7045.203656][ T74] netlink_sendmsg+0x723/0xbe0 [ 7045.203656][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7045.203656][ T74] ___sys_sendmsg+0xee/0x170 [ 7045.203656][ T74] __sys_sendmsg+0xcd/0x170 [ 7045.203656][ T74] do_syscall_64+0xc6/0x1e0 [ 7045.203656][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7045.203656][ T74] [ 7045.205329][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 7045.205608][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 7045.205608][ T74] dst_init+0x84/0x4a0 [ 7045.205608][ T74] dst_alloc+0x97/0x150 [ 7045.205608][ T74] ip6_dst_alloc+0x23/0x90 [ 7045.205608][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7045.205608][ T74] ip6_pol_route+0x56f/0x840 [ 7045.205608][ T74] fib6_rule_lookup+0x456/0x630 [ 7045.205608][ T74] ip6_route_input+0x59c/0xa50 [ 7045.205608][ T74] ipv6_rcv+0x397/0x810 [ 7045.205608][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 7045.205608][ T74] process_backlog+0x101/0x620 [ 7045.205608][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 7045.205608][ T74] net_rx_action+0x495/0xbe0 [ 7045.205608][ T74] __do_softirq+0x1b5/0x7f6 [ 7045.205608][ T74] [ 7045.207235][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7045.207235][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 7045.207235][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 7045.207235][ T74] fib6_nh_init+0xa22/0x1580 [ 7045.207235][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7045.207235][ T74] ip6_route_add+0x1c/0x140 [ 7045.207235][ T74] inet6_rtm_newroute+0x104/0x110 [ 7045.207235][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7045.207235][ T74] netlink_rcv_skb+0x130/0x360 [ 7045.207235][ T74] netlink_unicast+0x449/0x710 [ 7045.207235][ T74] netlink_sendmsg+0x723/0xbe0 [ 7045.207235][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7045.207235][ T74] ___sys_sendmsg+0xee/0x170 [ 7045.207235][ T74] __sys_sendmsg+0xcd/0x170 [ 7045.207235][ T74] do_syscall_64+0xc6/0x1e0 [ 7045.207235][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7045.207235][ T74] [ 7045.209104][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7045.209104][ T74] netdev_get_by_index+0x5e/0x80 [ 7045.209104][ T74] fib6_nh_init+0x3d8/0x1580 [ 7045.209104][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7045.209104][ T74] addrconf_f6i_alloc+0x265/0x560 [ 7045.209104][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7045.209104][ T74] addrconf_join_anycast+0x1c0/0x220 [ 7045.209104][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7045.209104][ T74] addrconf_dad_completed+0x12b/0xe20 [ 7045.209104][ T74] addrconf_dad_begin+0x310/0x670 [ 7045.209104][ T74] addrconf_dad_work+0x10b/0xab0 [ 7045.209104][ T74] process_one_work+0x84d/0x18a0 [ 7045.209104][ T74] worker_thread+0x587/0xd30 [ 7045.209104][ T74] kthread+0x28a/0x350 [ 7045.209104][ T74] ret_from_fork+0x31/0x70 [ 7045.209104][ T74] ret_from_fork_asm+0x1a/0x30 [ 7045.209104][ T74] [ 7045.211002][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7045.211002][ T74] netdev_get_by_index+0x5e/0x80 [ 7045.211002][ T74] fib6_nh_init+0x3d8/0x1580 [ 7045.211002][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7045.211002][ T74] ip6_route_add+0x1c/0x140 [ 7045.211002][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7045.211002][ T74] inet6_addr_add+0x4f8/0xa40 [ 7045.211002][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7045.211002][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7045.211002][ T74] netlink_rcv_skb+0x130/0x360 [ 7045.211002][ T74] netlink_unicast+0x449/0x710 [ 7045.211002][ T74] netlink_sendmsg+0x723/0xbe0 [ 7045.211002][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7045.211002][ T74] ___sys_sendmsg+0xee/0x170 [ 7045.211002][ T74] __sys_sendmsg+0xcd/0x170 [ 7045.211002][ T74] do_syscall_64+0xc6/0x1e0 [ 7045.211002][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7045.211002][ T74] [ 7045.212987][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7045.212987][ T74] netdev_get_by_index+0x5e/0x80 [ 7045.212987][ T74] fib6_nh_init+0x3d8/0x1580 [ 7045.212987][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7045.212987][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7045.212987][ T74] ipv6_add_addr+0x411/0x2000 [ 7045.212987][ T74] inet6_addr_add+0x30e/0xa40 [ 7045.212987][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7045.212987][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7045.212987][ T74] netlink_rcv_skb+0x130/0x360 [ 7045.212987][ T74] netlink_unicast+0x449/0x710 [ 7045.212987][ T74] netlink_sendmsg+0x723/0xbe0 [ 7045.212987][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7045.212987][ T74] ___sys_sendmsg+0xee/0x170 [ 7045.212987][ T74] __sys_sendmsg+0xcd/0x170 [ 7045.212987][ T74] do_syscall_64+0xc6/0x1e0 [ 7045.212987][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7045.212987][ T74] [ 7045.214976][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7045.214976][ T74] netdev_get_by_index+0x5e/0x80 [ 7045.214976][ T74] fib6_nh_init+0x3d8/0x1580 [ 7045.214976][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7045.214976][ T74] ip6_route_add+0x1c/0x140 [ 7045.214976][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 7045.214976][ T74] addrconf_add_dev+0xe2/0x170 [ 7045.214976][ T74] inet6_addr_add+0x12f/0xa40 [ 7045.214976][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7045.214976][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7045.214976][ T74] netlink_rcv_skb+0x130/0x360 [ 7045.214976][ T74] netlink_unicast+0x449/0x710 [ 7045.214976][ T74] netlink_sendmsg+0x723/0xbe0 [ 7045.214976][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7045.214976][ T74] ___sys_sendmsg+0xee/0x170 [ 7045.214976][ T74] __sys_sendmsg+0xcd/0x170 [ 7045.214976][ T74] do_syscall_64+0xc6/0x1e0 [ 7045.214976][ T74] [ 7045.216934][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7045.216934][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7045.216934][ T74] ipv6_find_idev+0x102/0x170 [ 7045.216934][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7045.216934][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7045.216934][ T74] netlink_rcv_skb+0x130/0x360 [ 7045.216934][ T74] netlink_unicast+0x449/0x710 [ 7045.216934][ T74] netlink_sendmsg+0x723/0xbe0 [ 7045.216934][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7045.216934][ T74] ___sys_sendmsg+0xee/0x170 [ 7045.216934][ T74] __sys_sendmsg+0xcd/0x170 [ 7045.216934][ T74] do_syscall_64+0xc6/0x1e0 [ 7045.216934][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7045.216934][ T74] [ 7045.218583][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7045.218583][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7045.218583][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7045.218583][ T74] ipv6_find_idev+0x102/0x170 [ 7045.218583][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7045.218583][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7045.218583][ T74] netlink_rcv_skb+0x130/0x360 [ 7045.218583][ T74] netlink_unicast+0x449/0x710 [ 7045.218583][ T74] netlink_sendmsg+0x723/0xbe0 [ 7045.218583][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7045.218583][ T74] ___sys_sendmsg+0xee/0x170 [ 7045.218583][ T74] __sys_sendmsg+0xcd/0x170 [ 7045.218583][ T74] do_syscall_64+0xc6/0x1e0 [ 7045.218583][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7045.218583][ T74] [ 7045.220544][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 7045.220777][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7045.220777][ T74] netdev_get_by_index+0x5e/0x80 [ 7045.220777][ T74] fib6_nh_init+0x3d8/0x1580 [ 7045.220777][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7045.220777][ T74] ip6_route_add+0x1c/0x140 [ 7045.220777][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7045.220777][ T74] inet6_addr_add+0x4f8/0xa40 [ 7045.220777][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7045.220777][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7045.220777][ T74] netlink_rcv_skb+0x130/0x360 [ 7045.220777][ T74] netlink_unicast+0x449/0x710 [ 7045.220777][ T74] netlink_sendmsg+0x723/0xbe0 [ 7045.220777][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7045.220777][ T74] ___sys_sendmsg+0xee/0x170 [ 7045.220777][ T74] __sys_sendmsg+0xcd/0x170 [ 7045.220777][ T74] do_syscall_64+0xc6/0x1e0 [ 7045.220777][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7045.220777][ T74] [ 7045.223020][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7045.223020][ T74] netdev_get_by_index+0x5e/0x80 [ 7045.223020][ T74] fib6_nh_init+0x3d8/0x1580 [ 7045.223020][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7045.223020][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7045.223020][ T74] ipv6_add_addr+0x411/0x2000 [ 7045.223020][ T74] inet6_addr_add+0x30e/0xa40 [ 7045.223020][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7045.223020][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7045.223020][ T74] netlink_rcv_skb+0x130/0x360 [ 7045.223020][ T74] netlink_unicast+0x449/0x710 [ 7045.223020][ T74] netlink_sendmsg+0x723/0xbe0 [ 7045.223020][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7045.223020][ T74] ___sys_sendmsg+0xee/0x170 [ 7045.223020][ T74] __sys_sendmsg+0xcd/0x170 [ 7045.223020][ T74] do_syscall_64+0xc6/0x1e0 [ 7045.223020][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7045.223020][ T74] [ 7045.225242][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7045.225242][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7045.225242][ T74] ipv6_find_idev+0x102/0x170 [ 7045.225242][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7045.225242][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7045.225242][ T74] netlink_rcv_skb+0x130/0x360 [ 7045.225242][ T74] netlink_unicast+0x449/0x710 [ 7045.225242][ T74] netlink_sendmsg+0x723/0xbe0 [ 7045.225242][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7045.225242][ T74] ___sys_sendmsg+0xee/0x170 [ 7045.225242][ T74] __sys_sendmsg+0xcd/0x170 [ 7045.225242][ T74] do_syscall_64+0xc6/0x1e0 [ 7045.225242][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7045.225242][ T74] [ 7045.226900][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7045.226900][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7045.226900][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7045.226900][ T74] ipv6_find_idev+0x102/0x170 [ 7045.226900][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7045.226900][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7045.226900][ T74] netlink_rcv_skb+0x130/0x360 [ 7045.226900][ T74] netlink_unicast+0x449/0x710 [ 7045.226900][ T74] netlink_sendmsg+0x723/0xbe0 [ 7045.226900][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7045.226900][ T74] ___sys_sendmsg+0xee/0x170 [ 7045.226900][ T74] __sys_sendmsg+0xcd/0x170 [ 7045.226900][ T74] do_syscall_64+0xc6/0x1e0 [ 7045.226900][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7045.226900][ T74] [ 7055.263967][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 7055.264430][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7055.264430][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 7055.264430][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 7055.264430][ T74] fib6_nh_init+0xa22/0x1580 [ 7055.264430][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7055.264430][ T74] ip6_route_add+0x1c/0x140 [ 7055.264430][ T74] inet6_rtm_newroute+0x104/0x110 [ 7055.264430][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7055.264430][ T74] netlink_rcv_skb+0x130/0x360 [ 7055.264430][ T74] netlink_unicast+0x449/0x710 [ 7055.264430][ T74] netlink_sendmsg+0x723/0xbe0 [ 7055.264430][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7055.264430][ T74] ___sys_sendmsg+0xee/0x170 [ 7055.264430][ T74] __sys_sendmsg+0xcd/0x170 [ 7055.264430][ T74] do_syscall_64+0xc6/0x1e0 [ 7055.264430][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7055.264430][ T74] [ 7055.266340][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7055.266340][ T74] netdev_get_by_index+0x5e/0x80 [ 7055.266340][ T74] fib6_nh_init+0x3d8/0x1580 [ 7055.266340][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7055.266340][ T74] addrconf_f6i_alloc+0x265/0x560 [ 7055.266340][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7055.266340][ T74] addrconf_join_anycast+0x1c0/0x220 [ 7055.266340][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7055.266340][ T74] addrconf_dad_completed+0x12b/0xe20 [ 7055.266340][ T74] addrconf_dad_begin+0x310/0x670 [ 7055.266340][ T74] addrconf_dad_work+0x10b/0xab0 [ 7055.266340][ T74] process_one_work+0x84d/0x18a0 [ 7055.266340][ T74] worker_thread+0x587/0xd30 [ 7055.266340][ T74] kthread+0x28a/0x350 [ 7055.266340][ T74] ret_from_fork+0x31/0x70 [ 7055.266340][ T74] ret_from_fork_asm+0x1a/0x30 [ 7055.266340][ T74] [ 7055.268259][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7055.268259][ T74] netdev_get_by_index+0x5e/0x80 [ 7055.268259][ T74] fib6_nh_init+0x3d8/0x1580 [ 7055.268259][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7055.268259][ T74] ip6_route_add+0x1c/0x140 [ 7055.268259][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7055.268259][ T74] inet6_addr_add+0x4f8/0xa40 [ 7055.268259][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7055.268259][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7055.268259][ T74] netlink_rcv_skb+0x130/0x360 [ 7055.268259][ T74] netlink_unicast+0x449/0x710 [ 7055.268259][ T74] netlink_sendmsg+0x723/0xbe0 [ 7055.268259][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7055.268259][ T74] ___sys_sendmsg+0xee/0x170 [ 7055.268259][ T74] __sys_sendmsg+0xcd/0x170 [ 7055.268259][ T74] do_syscall_64+0xc6/0x1e0 [ 7055.268259][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7055.268259][ T74] [ 7055.270254][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7055.270254][ T74] netdev_get_by_index+0x5e/0x80 [ 7055.270254][ T74] fib6_nh_init+0x3d8/0x1580 [ 7055.270254][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7055.270254][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7055.270254][ T74] ipv6_add_addr+0x411/0x2000 [ 7055.270254][ T74] inet6_addr_add+0x30e/0xa40 [ 7055.270254][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7055.270254][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7055.270254][ T74] netlink_rcv_skb+0x130/0x360 [ 7055.270254][ T74] netlink_unicast+0x449/0x710 [ 7055.270254][ T74] netlink_sendmsg+0x723/0xbe0 [ 7055.270254][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7055.270254][ T74] ___sys_sendmsg+0xee/0x170 [ 7055.270254][ T74] __sys_sendmsg+0xcd/0x170 [ 7055.270254][ T74] do_syscall_64+0xc6/0x1e0 [ 7055.270254][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7055.270254][ T74] [ 7055.272247][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7055.272247][ T74] netdev_get_by_index+0x5e/0x80 [ 7055.272247][ T74] fib6_nh_init+0x3d8/0x1580 [ 7055.272247][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7055.272247][ T74] ip6_route_add+0x1c/0x140 [ 7055.272247][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 7055.272247][ T74] addrconf_add_dev+0xe2/0x170 [ 7055.272247][ T74] inet6_addr_add+0x12f/0xa40 [ 7055.272247][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7055.272247][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7055.272247][ T74] netlink_rcv_skb+0x130/0x360 [ 7055.272247][ T74] netlink_unicast+0x449/0x710 [ 7055.272247][ T74] netlink_sendmsg+0x723/0xbe0 [ 7055.272247][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7055.272247][ T74] ___sys_sendmsg+0xee/0x170 [ 7055.272247][ T74] __sys_sendmsg+0xcd/0x170 [ 7055.272247][ T74] do_syscall_64+0xc6/0x1e0 [ 7055.272247][ T74] [ 7055.274205][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7055.274205][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7055.274205][ T74] ipv6_find_idev+0x102/0x170 [ 7055.274205][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7055.274205][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7055.274205][ T74] netlink_rcv_skb+0x130/0x360 [ 7055.274205][ T74] netlink_unicast+0x449/0x710 [ 7055.274205][ T74] netlink_sendmsg+0x723/0xbe0 [ 7055.274205][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7055.274205][ T74] ___sys_sendmsg+0xee/0x170 [ 7055.274205][ T74] __sys_sendmsg+0xcd/0x170 [ 7055.274205][ T74] do_syscall_64+0xc6/0x1e0 [ 7055.274205][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7055.274205][ T74] [ 7055.275743][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7055.275743][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7055.275743][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7055.275743][ T74] ipv6_find_idev+0x102/0x170 [ 7055.275743][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7055.275743][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7055.275743][ T74] netlink_rcv_skb+0x130/0x360 [ 7055.275743][ T74] netlink_unicast+0x449/0x710 [ 7055.275743][ T74] netlink_sendmsg+0x723/0xbe0 [ 7055.275743][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7055.275743][ T74] ___sys_sendmsg+0xee/0x170 [ 7055.275743][ T74] __sys_sendmsg+0xcd/0x170 [ 7055.275743][ T74] do_syscall_64+0xc6/0x1e0 [ 7055.275743][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7055.275743][ T74] [ 7055.277425][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 7055.277696][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 7055.277696][ T74] dst_init+0x84/0x4a0 [ 7055.277696][ T74] dst_alloc+0x97/0x150 [ 7055.277696][ T74] ip6_dst_alloc+0x23/0x90 [ 7055.277696][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7055.277696][ T74] ip6_pol_route+0x56f/0x840 [ 7055.277696][ T74] fib6_rule_lookup+0x456/0x630 [ 7055.277696][ T74] ip6_route_input+0x59c/0xa50 [ 7055.277696][ T74] ipv6_rcv+0x397/0x810 [ 7055.277696][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 7055.277696][ T74] process_backlog+0x101/0x620 [ 7055.277696][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 7055.277696][ T74] net_rx_action+0x495/0xbe0 [ 7055.277696][ T74] __do_softirq+0x1b5/0x7f6 [ 7055.277696][ T74] [ 7055.279326][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7055.279326][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 7055.279326][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 7055.279326][ T74] fib6_nh_init+0xa22/0x1580 [ 7055.279326][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7055.279326][ T74] ip6_route_add+0x1c/0x140 [ 7055.279326][ T74] inet6_rtm_newroute+0x104/0x110 [ 7055.279326][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7055.279326][ T74] netlink_rcv_skb+0x130/0x360 [ 7055.279326][ T74] netlink_unicast+0x449/0x710 [ 7055.279326][ T74] netlink_sendmsg+0x723/0xbe0 [ 7055.279326][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7055.279326][ T74] ___sys_sendmsg+0xee/0x170 [ 7055.279326][ T74] __sys_sendmsg+0xcd/0x170 [ 7055.279326][ T74] do_syscall_64+0xc6/0x1e0 [ 7055.279326][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7055.279326][ T74] [ 7055.281199][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7055.281199][ T74] netdev_get_by_index+0x5e/0x80 [ 7055.281199][ T74] fib6_nh_init+0x3d8/0x1580 [ 7055.281199][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7055.281199][ T74] addrconf_f6i_alloc+0x265/0x560 [ 7055.281199][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7055.281199][ T74] addrconf_join_anycast+0x1c0/0x220 [ 7055.281199][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7055.281199][ T74] addrconf_dad_completed+0x12b/0xe20 [ 7055.281199][ T74] addrconf_dad_begin+0x310/0x670 [ 7055.281199][ T74] addrconf_dad_work+0x10b/0xab0 [ 7055.281199][ T74] process_one_work+0x84d/0x18a0 [ 7055.281199][ T74] worker_thread+0x587/0xd30 [ 7055.281199][ T74] kthread+0x28a/0x350 [ 7055.281199][ T74] ret_from_fork+0x31/0x70 [ 7055.281199][ T74] ret_from_fork_asm+0x1a/0x30 [ 7055.281199][ T74] [ 7055.283103][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7055.283103][ T74] netdev_get_by_index+0x5e/0x80 [ 7055.283103][ T74] fib6_nh_init+0x3d8/0x1580 [ 7055.283103][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7055.283103][ T74] ip6_route_add+0x1c/0x140 [ 7055.283103][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7055.283103][ T74] inet6_addr_add+0x4f8/0xa40 [ 7055.283103][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7055.283103][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7055.283103][ T74] netlink_rcv_skb+0x130/0x360 [ 7055.283103][ T74] netlink_unicast+0x449/0x710 [ 7055.283103][ T74] netlink_sendmsg+0x723/0xbe0 [ 7055.283103][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7055.283103][ T74] ___sys_sendmsg+0xee/0x170 [ 7055.283103][ T74] __sys_sendmsg+0xcd/0x170 [ 7055.283103][ T74] do_syscall_64+0xc6/0x1e0 [ 7055.283103][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7055.283103][ T74] [ 7055.285100][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7055.285100][ T74] netdev_get_by_index+0x5e/0x80 [ 7055.285100][ T74] fib6_nh_init+0x3d8/0x1580 [ 7055.285100][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7055.285100][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7055.285100][ T74] ipv6_add_addr+0x411/0x2000 [ 7055.285100][ T74] inet6_addr_add+0x30e/0xa40 [ 7055.285100][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7055.285100][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7055.285100][ T74] netlink_rcv_skb+0x130/0x360 [ 7055.285100][ T74] netlink_unicast+0x449/0x710 [ 7055.285100][ T74] netlink_sendmsg+0x723/0xbe0 [ 7055.285100][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7055.285100][ T74] ___sys_sendmsg+0xee/0x170 [ 7055.285100][ T74] __sys_sendmsg+0xcd/0x170 [ 7055.285100][ T74] do_syscall_64+0xc6/0x1e0 [ 7055.285100][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7055.285100][ T74] [ 7055.287095][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7055.287095][ T74] netdev_get_by_index+0x5e/0x80 [ 7055.287095][ T74] fib6_nh_init+0x3d8/0x1580 [ 7055.287095][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7055.287095][ T74] ip6_route_add+0x1c/0x140 [ 7055.287095][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 7055.287095][ T74] addrconf_add_dev+0xe2/0x170 [ 7055.287095][ T74] inet6_addr_add+0x12f/0xa40 [ 7055.287095][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7055.287095][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7055.287095][ T74] netlink_rcv_skb+0x130/0x360 [ 7055.287095][ T74] netlink_unicast+0x449/0x710 [ 7055.287095][ T74] netlink_sendmsg+0x723/0xbe0 [ 7055.287095][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7055.287095][ T74] ___sys_sendmsg+0xee/0x170 [ 7055.287095][ T74] __sys_sendmsg+0xcd/0x170 [ 7055.287095][ T74] do_syscall_64+0xc6/0x1e0 [ 7055.287095][ T74] [ 7055.289061][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7055.289061][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7055.289061][ T74] ipv6_find_idev+0x102/0x170 [ 7055.289061][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7055.289061][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7055.289061][ T74] netlink_rcv_skb+0x130/0x360 [ 7055.289061][ T74] netlink_unicast+0x449/0x710 [ 7055.289061][ T74] netlink_sendmsg+0x723/0xbe0 [ 7055.289061][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7055.289061][ T74] ___sys_sendmsg+0xee/0x170 [ 7055.289061][ T74] __sys_sendmsg+0xcd/0x170 [ 7055.289061][ T74] do_syscall_64+0xc6/0x1e0 [ 7055.289061][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7055.289061][ T74] [ 7055.290719][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7055.290719][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7055.290719][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7055.290719][ T74] ipv6_find_idev+0x102/0x170 [ 7055.290719][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7055.290719][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7055.290719][ T74] netlink_rcv_skb+0x130/0x360 [ 7055.290719][ T74] netlink_unicast+0x449/0x710 [ 7055.290719][ T74] netlink_sendmsg+0x723/0xbe0 [ 7055.290719][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7055.290719][ T74] ___sys_sendmsg+0xee/0x170 [ 7055.290719][ T74] __sys_sendmsg+0xcd/0x170 [ 7055.290719][ T74] do_syscall_64+0xc6/0x1e0 [ 7055.290719][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7055.290719][ T74] [ 7055.292639][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 7055.292945][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7055.292945][ T74] netdev_get_by_index+0x5e/0x80 [ 7055.292945][ T74] fib6_nh_init+0x3d8/0x1580 [ 7055.292945][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7055.292945][ T74] ip6_route_add+0x1c/0x140 [ 7055.292945][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7055.292945][ T74] inet6_addr_add+0x4f8/0xa40 [ 7055.292945][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7055.292945][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7055.292945][ T74] netlink_rcv_skb+0x130/0x360 [ 7055.292945][ T74] netlink_unicast+0x449/0x710 [ 7055.292945][ T74] netlink_sendmsg+0x723/0xbe0 [ 7055.292945][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7055.292945][ T74] ___sys_sendmsg+0xee/0x170 [ 7055.292945][ T74] __sys_sendmsg+0xcd/0x170 [ 7055.292945][ T74] do_syscall_64+0xc6/0x1e0 [ 7055.292945][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7055.292945][ T74] [ 7055.295186][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7055.295186][ T74] netdev_get_by_index+0x5e/0x80 [ 7055.295186][ T74] fib6_nh_init+0x3d8/0x1580 [ 7055.295186][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7055.295186][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7055.295186][ T74] ipv6_add_addr+0x411/0x2000 [ 7055.295186][ T74] inet6_addr_add+0x30e/0xa40 [ 7055.295186][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7055.295186][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7055.295186][ T74] netlink_rcv_skb+0x130/0x360 [ 7055.295186][ T74] netlink_unicast+0x449/0x710 [ 7055.295186][ T74] netlink_sendmsg+0x723/0xbe0 [ 7055.295186][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7055.295186][ T74] ___sys_sendmsg+0xee/0x170 [ 7055.295186][ T74] __sys_sendmsg+0xcd/0x170 [ 7055.295186][ T74] do_syscall_64+0xc6/0x1e0 [ 7055.295186][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7055.295186][ T74] [ 7055.297380][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7055.297380][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7055.297380][ T74] ipv6_find_idev+0x102/0x170 [ 7055.297380][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7055.297380][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7055.297380][ T74] netlink_rcv_skb+0x130/0x360 [ 7055.297380][ T74] netlink_unicast+0x449/0x710 [ 7055.297380][ T74] netlink_sendmsg+0x723/0xbe0 [ 7055.297380][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7055.297380][ T74] ___sys_sendmsg+0xee/0x170 [ 7055.297380][ T74] __sys_sendmsg+0xcd/0x170 [ 7055.297380][ T74] do_syscall_64+0xc6/0x1e0 [ 7055.297380][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7055.297380][ T74] [ 7055.299033][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7055.299033][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7055.299033][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7055.299033][ T74] ipv6_find_idev+0x102/0x170 [ 7055.299033][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7055.299033][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7055.299033][ T74] netlink_rcv_skb+0x130/0x360 [ 7055.299033][ T74] netlink_unicast+0x449/0x710 [ 7055.299033][ T74] netlink_sendmsg+0x723/0xbe0 [ 7055.299033][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7055.299033][ T74] ___sys_sendmsg+0xee/0x170 [ 7055.299033][ T74] __sys_sendmsg+0xcd/0x170 [ 7055.299033][ T74] do_syscall_64+0xc6/0x1e0 [ 7055.299033][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7055.299033][ T74] [ 7065.543905][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 7065.544384][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7065.544384][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 7065.544384][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 7065.544384][ T74] fib6_nh_init+0xa22/0x1580 [ 7065.544384][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7065.544384][ T74] ip6_route_add+0x1c/0x140 [ 7065.544384][ T74] inet6_rtm_newroute+0x104/0x110 [ 7065.544384][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7065.544384][ T74] netlink_rcv_skb+0x130/0x360 [ 7065.544384][ T74] netlink_unicast+0x449/0x710 [ 7065.544384][ T74] netlink_sendmsg+0x723/0xbe0 [ 7065.544384][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7065.544384][ T74] ___sys_sendmsg+0xee/0x170 [ 7065.544384][ T74] __sys_sendmsg+0xcd/0x170 [ 7065.544384][ T74] do_syscall_64+0xc6/0x1e0 [ 7065.544384][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7065.544384][ T74] [ 7065.546322][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7065.546322][ T74] netdev_get_by_index+0x5e/0x80 [ 7065.546322][ T74] fib6_nh_init+0x3d8/0x1580 [ 7065.546322][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7065.546322][ T74] addrconf_f6i_alloc+0x265/0x560 [ 7065.546322][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7065.546322][ T74] addrconf_join_anycast+0x1c0/0x220 [ 7065.546322][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7065.546322][ T74] addrconf_dad_completed+0x12b/0xe20 [ 7065.546322][ T74] addrconf_dad_begin+0x310/0x670 [ 7065.546322][ T74] addrconf_dad_work+0x10b/0xab0 [ 7065.546322][ T74] process_one_work+0x84d/0x18a0 [ 7065.546322][ T74] worker_thread+0x587/0xd30 [ 7065.546322][ T74] kthread+0x28a/0x350 [ 7065.546322][ T74] ret_from_fork+0x31/0x70 [ 7065.546322][ T74] ret_from_fork_asm+0x1a/0x30 [ 7065.546322][ T74] [ 7065.548259][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7065.548259][ T74] netdev_get_by_index+0x5e/0x80 [ 7065.548259][ T74] fib6_nh_init+0x3d8/0x1580 [ 7065.548259][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7065.548259][ T74] ip6_route_add+0x1c/0x140 [ 7065.548259][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7065.548259][ T74] inet6_addr_add+0x4f8/0xa40 [ 7065.548259][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7065.548259][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7065.548259][ T74] netlink_rcv_skb+0x130/0x360 [ 7065.548259][ T74] netlink_unicast+0x449/0x710 [ 7065.548259][ T74] netlink_sendmsg+0x723/0xbe0 [ 7065.548259][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7065.548259][ T74] ___sys_sendmsg+0xee/0x170 [ 7065.548259][ T74] __sys_sendmsg+0xcd/0x170 [ 7065.548259][ T74] do_syscall_64+0xc6/0x1e0 [ 7065.548259][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7065.548259][ T74] [ 7065.550281][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7065.550281][ T74] netdev_get_by_index+0x5e/0x80 [ 7065.550281][ T74] fib6_nh_init+0x3d8/0x1580 [ 7065.550281][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7065.550281][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7065.550281][ T74] ipv6_add_addr+0x411/0x2000 [ 7065.550281][ T74] inet6_addr_add+0x30e/0xa40 [ 7065.550281][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7065.550281][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7065.550281][ T74] netlink_rcv_skb+0x130/0x360 [ 7065.550281][ T74] netlink_unicast+0x449/0x710 [ 7065.550281][ T74] netlink_sendmsg+0x723/0xbe0 [ 7065.550281][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7065.550281][ T74] ___sys_sendmsg+0xee/0x170 [ 7065.550281][ T74] __sys_sendmsg+0xcd/0x170 [ 7065.550281][ T74] do_syscall_64+0xc6/0x1e0 [ 7065.550281][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7065.550281][ T74] [ 7065.552308][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7065.552308][ T74] netdev_get_by_index+0x5e/0x80 [ 7065.552308][ T74] fib6_nh_init+0x3d8/0x1580 [ 7065.552308][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7065.552308][ T74] ip6_route_add+0x1c/0x140 [ 7065.552308][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 7065.552308][ T74] addrconf_add_dev+0xe2/0x170 [ 7065.552308][ T74] inet6_addr_add+0x12f/0xa40 [ 7065.552308][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7065.552308][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7065.552308][ T74] netlink_rcv_skb+0x130/0x360 [ 7065.552308][ T74] netlink_unicast+0x449/0x710 [ 7065.552308][ T74] netlink_sendmsg+0x723/0xbe0 [ 7065.552308][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7065.552308][ T74] ___sys_sendmsg+0xee/0x170 [ 7065.552308][ T74] __sys_sendmsg+0xcd/0x170 [ 7065.552308][ T74] do_syscall_64+0xc6/0x1e0 [ 7065.552308][ T74] [ 7065.554286][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7065.554286][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7065.554286][ T74] ipv6_find_idev+0x102/0x170 [ 7065.554286][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7065.554286][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7065.554286][ T74] netlink_rcv_skb+0x130/0x360 [ 7065.554286][ T74] netlink_unicast+0x449/0x710 [ 7065.554286][ T74] netlink_sendmsg+0x723/0xbe0 [ 7065.554286][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7065.554286][ T74] ___sys_sendmsg+0xee/0x170 [ 7065.554286][ T74] __sys_sendmsg+0xcd/0x170 [ 7065.554286][ T74] do_syscall_64+0xc6/0x1e0 [ 7065.554286][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7065.554286][ T74] [ 7065.555850][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7065.555850][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7065.555850][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7065.555850][ T74] ipv6_find_idev+0x102/0x170 [ 7065.555850][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7065.555850][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7065.555850][ T74] netlink_rcv_skb+0x130/0x360 [ 7065.555850][ T74] netlink_unicast+0x449/0x710 [ 7065.555850][ T74] netlink_sendmsg+0x723/0xbe0 [ 7065.555850][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7065.555850][ T74] ___sys_sendmsg+0xee/0x170 [ 7065.555850][ T74] __sys_sendmsg+0xcd/0x170 [ 7065.555850][ T74] do_syscall_64+0xc6/0x1e0 [ 7065.555850][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7065.555850][ T74] [ 7065.557578][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 7065.557853][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 7065.557853][ T74] dst_init+0x84/0x4a0 [ 7065.557853][ T74] dst_alloc+0x97/0x150 [ 7065.557853][ T74] ip6_dst_alloc+0x23/0x90 [ 7065.557853][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7065.557853][ T74] ip6_pol_route+0x56f/0x840 [ 7065.557853][ T74] fib6_rule_lookup+0x456/0x630 [ 7065.557853][ T74] ip6_route_input+0x59c/0xa50 [ 7065.557853][ T74] ipv6_rcv+0x397/0x810 [ 7065.557853][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 7065.557853][ T74] process_backlog+0x101/0x620 [ 7065.557853][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 7065.557853][ T74] net_rx_action+0x495/0xbe0 [ 7065.557853][ T74] __do_softirq+0x1b5/0x7f6 [ 7065.557853][ T74] [ 7065.559519][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7065.559519][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 7065.559519][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 7065.559519][ T74] fib6_nh_init+0xa22/0x1580 [ 7065.559519][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7065.559519][ T74] ip6_route_add+0x1c/0x140 [ 7065.559519][ T74] inet6_rtm_newroute+0x104/0x110 [ 7065.559519][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7065.559519][ T74] netlink_rcv_skb+0x130/0x360 [ 7065.559519][ T74] netlink_unicast+0x449/0x710 [ 7065.559519][ T74] netlink_sendmsg+0x723/0xbe0 [ 7065.559519][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7065.559519][ T74] ___sys_sendmsg+0xee/0x170 [ 7065.559519][ T74] __sys_sendmsg+0xcd/0x170 [ 7065.559519][ T74] do_syscall_64+0xc6/0x1e0 [ 7065.559519][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7065.559519][ T74] [ 7065.561433][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7065.561433][ T74] netdev_get_by_index+0x5e/0x80 [ 7065.561433][ T74] fib6_nh_init+0x3d8/0x1580 [ 7065.561433][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7065.561433][ T74] addrconf_f6i_alloc+0x265/0x560 [ 7065.561433][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7065.561433][ T74] addrconf_join_anycast+0x1c0/0x220 [ 7065.561433][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7065.561433][ T74] addrconf_dad_completed+0x12b/0xe20 [ 7065.561433][ T74] addrconf_dad_begin+0x310/0x670 [ 7065.561433][ T74] addrconf_dad_work+0x10b/0xab0 [ 7065.561433][ T74] process_one_work+0x84d/0x18a0 [ 7065.561433][ T74] worker_thread+0x587/0xd30 [ 7065.561433][ T74] kthread+0x28a/0x350 [ 7065.561433][ T74] ret_from_fork+0x31/0x70 [ 7065.561433][ T74] ret_from_fork_asm+0x1a/0x30 [ 7065.561433][ T74] [ 7065.563357][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7065.563357][ T74] netdev_get_by_index+0x5e/0x80 [ 7065.563357][ T74] fib6_nh_init+0x3d8/0x1580 [ 7065.563357][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7065.563357][ T74] ip6_route_add+0x1c/0x140 [ 7065.563357][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7065.563357][ T74] inet6_addr_add+0x4f8/0xa40 [ 7065.563357][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7065.563357][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7065.563357][ T74] netlink_rcv_skb+0x130/0x360 [ 7065.563357][ T74] netlink_unicast+0x449/0x710 [ 7065.563357][ T74] netlink_sendmsg+0x723/0xbe0 [ 7065.563357][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7065.563357][ T74] ___sys_sendmsg+0xee/0x170 [ 7065.563357][ T74] __sys_sendmsg+0xcd/0x170 [ 7065.563357][ T74] do_syscall_64+0xc6/0x1e0 [ 7065.563357][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7065.563357][ T74] [ 7065.565373][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7065.565373][ T74] netdev_get_by_index+0x5e/0x80 [ 7065.565373][ T74] fib6_nh_init+0x3d8/0x1580 [ 7065.565373][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7065.565373][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7065.565373][ T74] ipv6_add_addr+0x411/0x2000 [ 7065.565373][ T74] inet6_addr_add+0x30e/0xa40 [ 7065.565373][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7065.565373][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7065.565373][ T74] netlink_rcv_skb+0x130/0x360 [ 7065.565373][ T74] netlink_unicast+0x449/0x710 [ 7065.565373][ T74] netlink_sendmsg+0x723/0xbe0 [ 7065.565373][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7065.565373][ T74] ___sys_sendmsg+0xee/0x170 [ 7065.565373][ T74] __sys_sendmsg+0xcd/0x170 [ 7065.565373][ T74] do_syscall_64+0xc6/0x1e0 [ 7065.565373][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7065.565373][ T74] [ 7065.567394][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7065.567394][ T74] netdev_get_by_index+0x5e/0x80 [ 7065.567394][ T74] fib6_nh_init+0x3d8/0x1580 [ 7065.567394][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7065.567394][ T74] ip6_route_add+0x1c/0x140 [ 7065.567394][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 7065.567394][ T74] addrconf_add_dev+0xe2/0x170 [ 7065.567394][ T74] inet6_addr_add+0x12f/0xa40 [ 7065.567394][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7065.567394][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7065.567394][ T74] netlink_rcv_skb+0x130/0x360 [ 7065.567394][ T74] netlink_unicast+0x449/0x710 [ 7065.567394][ T74] netlink_sendmsg+0x723/0xbe0 [ 7065.567394][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7065.567394][ T74] ___sys_sendmsg+0xee/0x170 [ 7065.567394][ T74] __sys_sendmsg+0xcd/0x170 [ 7065.567394][ T74] do_syscall_64+0xc6/0x1e0 [ 7065.567394][ T74] [ 7065.569366][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7065.569366][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7065.569366][ T74] ipv6_find_idev+0x102/0x170 [ 7065.569366][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7065.569366][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7065.569366][ T74] netlink_rcv_skb+0x130/0x360 [ 7065.569366][ T74] netlink_unicast+0x449/0x710 [ 7065.569366][ T74] netlink_sendmsg+0x723/0xbe0 [ 7065.569366][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7065.569366][ T74] ___sys_sendmsg+0xee/0x170 [ 7065.569366][ T74] __sys_sendmsg+0xcd/0x170 [ 7065.569366][ T74] do_syscall_64+0xc6/0x1e0 [ 7065.569366][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7065.569366][ T74] [ 7065.571042][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7065.571042][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7065.571042][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7065.571042][ T74] ipv6_find_idev+0x102/0x170 [ 7065.571042][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7065.571042][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7065.571042][ T74] netlink_rcv_skb+0x130/0x360 [ 7065.571042][ T74] netlink_unicast+0x449/0x710 [ 7065.571042][ T74] netlink_sendmsg+0x723/0xbe0 [ 7065.571042][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7065.571042][ T74] ___sys_sendmsg+0xee/0x170 [ 7065.571042][ T74] __sys_sendmsg+0xcd/0x170 [ 7065.571042][ T74] do_syscall_64+0xc6/0x1e0 [ 7065.571042][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7065.571042][ T74] [ 7065.572815][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 7065.573138][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7065.573138][ T74] netdev_get_by_index+0x5e/0x80 [ 7065.573138][ T74] fib6_nh_init+0x3d8/0x1580 [ 7065.573138][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7065.573138][ T74] ip6_route_add+0x1c/0x140 [ 7065.573138][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7065.573138][ T74] inet6_addr_add+0x4f8/0xa40 [ 7065.573138][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7065.573138][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7065.573138][ T74] netlink_rcv_skb+0x130/0x360 [ 7065.573138][ T74] netlink_unicast+0x449/0x710 [ 7065.573138][ T74] netlink_sendmsg+0x723/0xbe0 [ 7065.573138][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7065.573138][ T74] ___sys_sendmsg+0xee/0x170 [ 7065.573138][ T74] __sys_sendmsg+0xcd/0x170 [ 7065.573138][ T74] do_syscall_64+0xc6/0x1e0 [ 7065.573138][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7065.573138][ T74] [ 7065.575218][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7065.575218][ T74] netdev_get_by_index+0x5e/0x80 [ 7065.575218][ T74] fib6_nh_init+0x3d8/0x1580 [ 7065.575218][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7065.575218][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7065.575218][ T74] ipv6_add_addr+0x411/0x2000 [ 7065.575218][ T74] inet6_addr_add+0x30e/0xa40 [ 7065.575218][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7065.575218][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7065.575218][ T74] netlink_rcv_skb+0x130/0x360 [ 7065.575218][ T74] netlink_unicast+0x449/0x710 [ 7065.575218][ T74] netlink_sendmsg+0x723/0xbe0 [ 7065.575218][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7065.575218][ T74] ___sys_sendmsg+0xee/0x170 [ 7065.575218][ T74] __sys_sendmsg+0xcd/0x170 [ 7065.575218][ T74] do_syscall_64+0xc6/0x1e0 [ 7065.575218][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7065.575218][ T74] [ 7065.577357][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7065.577357][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7065.577357][ T74] ipv6_find_idev+0x102/0x170 [ 7065.577357][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7065.577357][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7065.577357][ T74] netlink_rcv_skb+0x130/0x360 [ 7065.577357][ T74] netlink_unicast+0x449/0x710 [ 7065.577357][ T74] netlink_sendmsg+0x723/0xbe0 [ 7065.577357][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7065.577357][ T74] ___sys_sendmsg+0xee/0x170 [ 7065.577357][ T74] __sys_sendmsg+0xcd/0x170 [ 7065.577357][ T74] do_syscall_64+0xc6/0x1e0 [ 7065.577357][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7065.577357][ T74] [ 7065.579033][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7065.579033][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7065.579033][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7065.579033][ T74] ipv6_find_idev+0x102/0x170 [ 7065.579033][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7065.579033][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7065.579033][ T74] netlink_rcv_skb+0x130/0x360 [ 7065.579033][ T74] netlink_unicast+0x449/0x710 [ 7065.579033][ T74] netlink_sendmsg+0x723/0xbe0 [ 7065.579033][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7065.579033][ T74] ___sys_sendmsg+0xee/0x170 [ 7065.579033][ T74] __sys_sendmsg+0xcd/0x170 [ 7065.579033][ T74] do_syscall_64+0xc6/0x1e0 [ 7065.579033][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7065.579033][ T74] [ 7075.815974][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 7075.816433][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7075.816433][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 7075.816433][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 7075.816433][ T74] fib6_nh_init+0xa22/0x1580 [ 7075.816433][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7075.816433][ T74] ip6_route_add+0x1c/0x140 [ 7075.816433][ T74] inet6_rtm_newroute+0x104/0x110 [ 7075.816433][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7075.816433][ T74] netlink_rcv_skb+0x130/0x360 [ 7075.816433][ T74] netlink_unicast+0x449/0x710 [ 7075.816433][ T74] netlink_sendmsg+0x723/0xbe0 [ 7075.816433][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7075.816433][ T74] ___sys_sendmsg+0xee/0x170 [ 7075.816433][ T74] __sys_sendmsg+0xcd/0x170 [ 7075.816433][ T74] do_syscall_64+0xc6/0x1e0 [ 7075.816433][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7075.816433][ T74] [ 7075.818359][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7075.818359][ T74] netdev_get_by_index+0x5e/0x80 [ 7075.818359][ T74] fib6_nh_init+0x3d8/0x1580 [ 7075.818359][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7075.818359][ T74] addrconf_f6i_alloc+0x265/0x560 [ 7075.818359][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7075.818359][ T74] addrconf_join_anycast+0x1c0/0x220 [ 7075.818359][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7075.818359][ T74] addrconf_dad_completed+0x12b/0xe20 [ 7075.818359][ T74] addrconf_dad_begin+0x310/0x670 [ 7075.818359][ T74] addrconf_dad_work+0x10b/0xab0 [ 7075.818359][ T74] process_one_work+0x84d/0x18a0 [ 7075.818359][ T74] worker_thread+0x587/0xd30 [ 7075.818359][ T74] kthread+0x28a/0x350 [ 7075.818359][ T74] ret_from_fork+0x31/0x70 [ 7075.818359][ T74] ret_from_fork_asm+0x1a/0x30 [ 7075.818359][ T74] [ 7075.820299][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7075.820299][ T74] netdev_get_by_index+0x5e/0x80 [ 7075.820299][ T74] fib6_nh_init+0x3d8/0x1580 [ 7075.820299][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7075.820299][ T74] ip6_route_add+0x1c/0x140 [ 7075.820299][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7075.820299][ T74] inet6_addr_add+0x4f8/0xa40 [ 7075.820299][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7075.820299][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7075.820299][ T74] netlink_rcv_skb+0x130/0x360 [ 7075.820299][ T74] netlink_unicast+0x449/0x710 [ 7075.820299][ T74] netlink_sendmsg+0x723/0xbe0 [ 7075.820299][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7075.820299][ T74] ___sys_sendmsg+0xee/0x170 [ 7075.820299][ T74] __sys_sendmsg+0xcd/0x170 [ 7075.820299][ T74] do_syscall_64+0xc6/0x1e0 [ 7075.820299][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7075.820299][ T74] [ 7075.822331][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7075.822331][ T74] netdev_get_by_index+0x5e/0x80 [ 7075.822331][ T74] fib6_nh_init+0x3d8/0x1580 [ 7075.822331][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7075.822331][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7075.822331][ T74] ipv6_add_addr+0x411/0x2000 [ 7075.822331][ T74] inet6_addr_add+0x30e/0xa40 [ 7075.822331][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7075.822331][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7075.822331][ T74] netlink_rcv_skb+0x130/0x360 [ 7075.822331][ T74] netlink_unicast+0x449/0x710 [ 7075.822331][ T74] netlink_sendmsg+0x723/0xbe0 [ 7075.822331][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7075.822331][ T74] ___sys_sendmsg+0xee/0x170 [ 7075.822331][ T74] __sys_sendmsg+0xcd/0x170 [ 7075.822331][ T74] do_syscall_64+0xc6/0x1e0 [ 7075.822331][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7075.822331][ T74] [ 7075.824349][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7075.824349][ T74] netdev_get_by_index+0x5e/0x80 [ 7075.824349][ T74] fib6_nh_init+0x3d8/0x1580 [ 7075.824349][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7075.824349][ T74] ip6_route_add+0x1c/0x140 [ 7075.824349][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 7075.824349][ T74] addrconf_add_dev+0xe2/0x170 [ 7075.824349][ T74] inet6_addr_add+0x12f/0xa40 [ 7075.824349][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7075.824349][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7075.824349][ T74] netlink_rcv_skb+0x130/0x360 [ 7075.824349][ T74] netlink_unicast+0x449/0x710 [ 7075.824349][ T74] netlink_sendmsg+0x723/0xbe0 [ 7075.824349][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7075.824349][ T74] ___sys_sendmsg+0xee/0x170 [ 7075.824349][ T74] __sys_sendmsg+0xcd/0x170 [ 7075.824349][ T74] do_syscall_64+0xc6/0x1e0 [ 7075.824349][ T74] [ 7075.826337][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7075.826337][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7075.826337][ T74] ipv6_find_idev+0x102/0x170 [ 7075.826337][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7075.826337][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7075.826337][ T74] netlink_rcv_skb+0x130/0x360 [ 7075.826337][ T74] netlink_unicast+0x449/0x710 [ 7075.826337][ T74] netlink_sendmsg+0x723/0xbe0 [ 7075.826337][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7075.826337][ T74] ___sys_sendmsg+0xee/0x170 [ 7075.826337][ T74] __sys_sendmsg+0xcd/0x170 [ 7075.826337][ T74] do_syscall_64+0xc6/0x1e0 [ 7075.826337][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7075.826337][ T74] [ 7075.827891][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7075.827891][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7075.827891][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7075.827891][ T74] ipv6_find_idev+0x102/0x170 [ 7075.827891][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7075.827891][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7075.827891][ T74] netlink_rcv_skb+0x130/0x360 [ 7075.827891][ T74] netlink_unicast+0x449/0x710 [ 7075.827891][ T74] netlink_sendmsg+0x723/0xbe0 [ 7075.827891][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7075.827891][ T74] ___sys_sendmsg+0xee/0x170 [ 7075.827891][ T74] __sys_sendmsg+0xcd/0x170 [ 7075.827891][ T74] do_syscall_64+0xc6/0x1e0 [ 7075.827891][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7075.827891][ T74] [ 7075.829602][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 7075.829884][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 7075.829884][ T74] dst_init+0x84/0x4a0 [ 7075.829884][ T74] dst_alloc+0x97/0x150 [ 7075.829884][ T74] ip6_dst_alloc+0x23/0x90 [ 7075.829884][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7075.829884][ T74] ip6_pol_route+0x56f/0x840 [ 7075.829884][ T74] fib6_rule_lookup+0x456/0x630 [ 7075.829884][ T74] ip6_route_input+0x59c/0xa50 [ 7075.829884][ T74] ipv6_rcv+0x397/0x810 [ 7075.829884][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 7075.829884][ T74] process_backlog+0x101/0x620 [ 7075.829884][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 7075.829884][ T74] net_rx_action+0x495/0xbe0 [ 7075.829884][ T74] __do_softirq+0x1b5/0x7f6 [ 7075.829884][ T74] [ 7075.831529][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7075.831529][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 7075.831529][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 7075.831529][ T74] fib6_nh_init+0xa22/0x1580 [ 7075.831529][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7075.831529][ T74] ip6_route_add+0x1c/0x140 [ 7075.831529][ T74] inet6_rtm_newroute+0x104/0x110 [ 7075.831529][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7075.831529][ T74] netlink_rcv_skb+0x130/0x360 [ 7075.831529][ T74] netlink_unicast+0x449/0x710 [ 7075.831529][ T74] netlink_sendmsg+0x723/0xbe0 [ 7075.831529][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7075.831529][ T74] ___sys_sendmsg+0xee/0x170 [ 7075.831529][ T74] __sys_sendmsg+0xcd/0x170 [ 7075.831529][ T74] do_syscall_64+0xc6/0x1e0 [ 7075.831529][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7075.831529][ T74] [ 7075.833422][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7075.833422][ T74] netdev_get_by_index+0x5e/0x80 [ 7075.833422][ T74] fib6_nh_init+0x3d8/0x1580 [ 7075.833422][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7075.833422][ T74] addrconf_f6i_alloc+0x265/0x560 [ 7075.833422][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7075.833422][ T74] addrconf_join_anycast+0x1c0/0x220 [ 7075.833422][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7075.833422][ T74] addrconf_dad_completed+0x12b/0xe20 [ 7075.833422][ T74] addrconf_dad_begin+0x310/0x670 [ 7075.833422][ T74] addrconf_dad_work+0x10b/0xab0 [ 7075.833422][ T74] process_one_work+0x84d/0x18a0 [ 7075.833422][ T74] worker_thread+0x587/0xd30 [ 7075.833422][ T74] kthread+0x28a/0x350 [ 7075.833422][ T74] ret_from_fork+0x31/0x70 [ 7075.833422][ T74] ret_from_fork_asm+0x1a/0x30 [ 7075.833422][ T74] [ 7075.835350][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7075.835350][ T74] netdev_get_by_index+0x5e/0x80 [ 7075.835350][ T74] fib6_nh_init+0x3d8/0x1580 [ 7075.835350][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7075.835350][ T74] ip6_route_add+0x1c/0x140 [ 7075.835350][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7075.835350][ T74] inet6_addr_add+0x4f8/0xa40 [ 7075.835350][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7075.835350][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7075.835350][ T74] netlink_rcv_skb+0x130/0x360 [ 7075.835350][ T74] netlink_unicast+0x449/0x710 [ 7075.835350][ T74] netlink_sendmsg+0x723/0xbe0 [ 7075.835350][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7075.835350][ T74] ___sys_sendmsg+0xee/0x170 [ 7075.835350][ T74] __sys_sendmsg+0xcd/0x170 [ 7075.835350][ T74] do_syscall_64+0xc6/0x1e0 [ 7075.835350][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7075.835350][ T74] [ 7075.837369][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7075.837369][ T74] netdev_get_by_index+0x5e/0x80 [ 7075.837369][ T74] fib6_nh_init+0x3d8/0x1580 [ 7075.837369][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7075.837369][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7075.837369][ T74] ipv6_add_addr+0x411/0x2000 [ 7075.837369][ T74] inet6_addr_add+0x30e/0xa40 [ 7075.837369][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7075.837369][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7075.837369][ T74] netlink_rcv_skb+0x130/0x360 [ 7075.837369][ T74] netlink_unicast+0x449/0x710 [ 7075.837369][ T74] netlink_sendmsg+0x723/0xbe0 [ 7075.837369][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7075.837369][ T74] ___sys_sendmsg+0xee/0x170 [ 7075.837369][ T74] __sys_sendmsg+0xcd/0x170 [ 7075.837369][ T74] do_syscall_64+0xc6/0x1e0 [ 7075.837369][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7075.837369][ T74] [ 7075.839378][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7075.839378][ T74] netdev_get_by_index+0x5e/0x80 [ 7075.839378][ T74] fib6_nh_init+0x3d8/0x1580 [ 7075.839378][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7075.839378][ T74] ip6_route_add+0x1c/0x140 [ 7075.839378][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 7075.839378][ T74] addrconf_add_dev+0xe2/0x170 [ 7075.839378][ T74] inet6_addr_add+0x12f/0xa40 [ 7075.839378][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7075.839378][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7075.839378][ T74] netlink_rcv_skb+0x130/0x360 [ 7075.839378][ T74] netlink_unicast+0x449/0x710 [ 7075.839378][ T74] netlink_sendmsg+0x723/0xbe0 [ 7075.839378][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7075.839378][ T74] ___sys_sendmsg+0xee/0x170 [ 7075.839378][ T74] __sys_sendmsg+0xcd/0x170 [ 7075.839378][ T74] do_syscall_64+0xc6/0x1e0 [ 7075.839378][ T74] [ 7075.841363][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7075.841363][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7075.841363][ T74] ipv6_find_idev+0x102/0x170 [ 7075.841363][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7075.841363][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7075.841363][ T74] netlink_rcv_skb+0x130/0x360 [ 7075.841363][ T74] netlink_unicast+0x449/0x710 [ 7075.841363][ T74] netlink_sendmsg+0x723/0xbe0 [ 7075.841363][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7075.841363][ T74] ___sys_sendmsg+0xee/0x170 [ 7075.841363][ T74] __sys_sendmsg+0xcd/0x170 [ 7075.841363][ T74] do_syscall_64+0xc6/0x1e0 [ 7075.841363][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7075.841363][ T74] [ 7075.843041][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7075.843041][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7075.843041][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7075.843041][ T74] ipv6_find_idev+0x102/0x170 [ 7075.843041][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7075.843041][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7075.843041][ T74] netlink_rcv_skb+0x130/0x360 [ 7075.843041][ T74] netlink_unicast+0x449/0x710 [ 7075.843041][ T74] netlink_sendmsg+0x723/0xbe0 [ 7075.843041][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7075.843041][ T74] ___sys_sendmsg+0xee/0x170 [ 7075.843041][ T74] __sys_sendmsg+0xcd/0x170 [ 7075.843041][ T74] do_syscall_64+0xc6/0x1e0 [ 7075.843041][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7075.843041][ T74] [ 7075.844807][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 7075.845121][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7075.845121][ T74] netdev_get_by_index+0x5e/0x80 [ 7075.845121][ T74] fib6_nh_init+0x3d8/0x1580 [ 7075.845121][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7075.845121][ T74] ip6_route_add+0x1c/0x140 [ 7075.845121][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7075.845121][ T74] inet6_addr_add+0x4f8/0xa40 [ 7075.845121][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7075.845121][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7075.845121][ T74] netlink_rcv_skb+0x130/0x360 [ 7075.845121][ T74] netlink_unicast+0x449/0x710 [ 7075.845121][ T74] netlink_sendmsg+0x723/0xbe0 [ 7075.845121][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7075.845121][ T74] ___sys_sendmsg+0xee/0x170 [ 7075.845121][ T74] __sys_sendmsg+0xcd/0x170 [ 7075.845121][ T74] do_syscall_64+0xc6/0x1e0 [ 7075.845121][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7075.845121][ T74] [ 7075.847213][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7075.847213][ T74] netdev_get_by_index+0x5e/0x80 [ 7075.847213][ T74] fib6_nh_init+0x3d8/0x1580 [ 7075.847213][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7075.847213][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7075.847213][ T74] ipv6_add_addr+0x411/0x2000 [ 7075.847213][ T74] inet6_addr_add+0x30e/0xa40 [ 7075.847213][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7075.847213][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7075.847213][ T74] netlink_rcv_skb+0x130/0x360 [ 7075.847213][ T74] netlink_unicast+0x449/0x710 [ 7075.847213][ T74] netlink_sendmsg+0x723/0xbe0 [ 7075.847213][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7075.847213][ T74] ___sys_sendmsg+0xee/0x170 [ 7075.847213][ T74] __sys_sendmsg+0xcd/0x170 [ 7075.847213][ T74] do_syscall_64+0xc6/0x1e0 [ 7075.847213][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7075.847213][ T74] [ 7075.849360][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7075.849360][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7075.849360][ T74] ipv6_find_idev+0x102/0x170 [ 7075.849360][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7075.849360][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7075.849360][ T74] netlink_rcv_skb+0x130/0x360 [ 7075.849360][ T74] netlink_unicast+0x449/0x710 [ 7075.849360][ T74] netlink_sendmsg+0x723/0xbe0 [ 7075.849360][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7075.849360][ T74] ___sys_sendmsg+0xee/0x170 [ 7075.849360][ T74] __sys_sendmsg+0xcd/0x170 [ 7075.849360][ T74] do_syscall_64+0xc6/0x1e0 [ 7075.849360][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7075.849360][ T74] [ 7075.851036][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7075.851036][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7075.851036][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7075.851036][ T74] ipv6_find_idev+0x102/0x170 [ 7075.851036][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7075.851036][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7075.851036][ T74] netlink_rcv_skb+0x130/0x360 [ 7075.851036][ T74] netlink_unicast+0x449/0x710 [ 7075.851036][ T74] netlink_sendmsg+0x723/0xbe0 [ 7075.851036][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7075.851036][ T74] ___sys_sendmsg+0xee/0x170 [ 7075.851036][ T74] __sys_sendmsg+0xcd/0x170 [ 7075.851036][ T74] do_syscall_64+0xc6/0x1e0 [ 7075.851036][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7075.851036][ T74] [ 7086.087957][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 7086.088416][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7086.088416][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 7086.088416][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 7086.088416][ T74] fib6_nh_init+0xa22/0x1580 [ 7086.088416][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7086.088416][ T74] ip6_route_add+0x1c/0x140 [ 7086.088416][ T74] inet6_rtm_newroute+0x104/0x110 [ 7086.088416][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7086.088416][ T74] netlink_rcv_skb+0x130/0x360 [ 7086.088416][ T74] netlink_unicast+0x449/0x710 [ 7086.088416][ T74] netlink_sendmsg+0x723/0xbe0 [ 7086.088416][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7086.088416][ T74] ___sys_sendmsg+0xee/0x170 [ 7086.088416][ T74] __sys_sendmsg+0xcd/0x170 [ 7086.088416][ T74] do_syscall_64+0xc6/0x1e0 [ 7086.088416][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7086.088416][ T74] [ 7086.090338][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7086.090338][ T74] netdev_get_by_index+0x5e/0x80 [ 7086.090338][ T74] fib6_nh_init+0x3d8/0x1580 [ 7086.090338][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7086.090338][ T74] addrconf_f6i_alloc+0x265/0x560 [ 7086.090338][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7086.090338][ T74] addrconf_join_anycast+0x1c0/0x220 [ 7086.090338][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7086.090338][ T74] addrconf_dad_completed+0x12b/0xe20 [ 7086.090338][ T74] addrconf_dad_begin+0x310/0x670 [ 7086.090338][ T74] addrconf_dad_work+0x10b/0xab0 [ 7086.090338][ T74] process_one_work+0x84d/0x18a0 [ 7086.090338][ T74] worker_thread+0x587/0xd30 [ 7086.090338][ T74] kthread+0x28a/0x350 [ 7086.090338][ T74] ret_from_fork+0x31/0x70 [ 7086.090338][ T74] ret_from_fork_asm+0x1a/0x30 [ 7086.090338][ T74] [ 7086.092271][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7086.092271][ T74] netdev_get_by_index+0x5e/0x80 [ 7086.092271][ T74] fib6_nh_init+0x3d8/0x1580 [ 7086.092271][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7086.092271][ T74] ip6_route_add+0x1c/0x140 [ 7086.092271][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7086.092271][ T74] inet6_addr_add+0x4f8/0xa40 [ 7086.092271][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7086.092271][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7086.092271][ T74] netlink_rcv_skb+0x130/0x360 [ 7086.092271][ T74] netlink_unicast+0x449/0x710 [ 7086.092271][ T74] netlink_sendmsg+0x723/0xbe0 [ 7086.092271][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7086.092271][ T74] ___sys_sendmsg+0xee/0x170 [ 7086.092271][ T74] __sys_sendmsg+0xcd/0x170 [ 7086.092271][ T74] do_syscall_64+0xc6/0x1e0 [ 7086.092271][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7086.092271][ T74] [ 7086.094291][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7086.094291][ T74] netdev_get_by_index+0x5e/0x80 [ 7086.094291][ T74] fib6_nh_init+0x3d8/0x1580 [ 7086.094291][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7086.094291][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7086.094291][ T74] ipv6_add_addr+0x411/0x2000 [ 7086.094291][ T74] inet6_addr_add+0x30e/0xa40 [ 7086.094291][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7086.094291][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7086.094291][ T74] netlink_rcv_skb+0x130/0x360 [ 7086.094291][ T74] netlink_unicast+0x449/0x710 [ 7086.094291][ T74] netlink_sendmsg+0x723/0xbe0 [ 7086.094291][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7086.094291][ T74] ___sys_sendmsg+0xee/0x170 [ 7086.094291][ T74] __sys_sendmsg+0xcd/0x170 [ 7086.094291][ T74] do_syscall_64+0xc6/0x1e0 [ 7086.094291][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7086.094291][ T74] [ 7086.096309][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7086.096309][ T74] netdev_get_by_index+0x5e/0x80 [ 7086.096309][ T74] fib6_nh_init+0x3d8/0x1580 [ 7086.096309][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7086.096309][ T74] ip6_route_add+0x1c/0x140 [ 7086.096309][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 7086.096309][ T74] addrconf_add_dev+0xe2/0x170 [ 7086.096309][ T74] inet6_addr_add+0x12f/0xa40 [ 7086.096309][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7086.096309][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7086.096309][ T74] netlink_rcv_skb+0x130/0x360 [ 7086.096309][ T74] netlink_unicast+0x449/0x710 [ 7086.096309][ T74] netlink_sendmsg+0x723/0xbe0 [ 7086.096309][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7086.096309][ T74] ___sys_sendmsg+0xee/0x170 [ 7086.096309][ T74] __sys_sendmsg+0xcd/0x170 [ 7086.096309][ T74] do_syscall_64+0xc6/0x1e0 [ 7086.096309][ T74] [ 7086.098292][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7086.098292][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7086.098292][ T74] ipv6_find_idev+0x102/0x170 [ 7086.098292][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7086.098292][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7086.098292][ T74] netlink_rcv_skb+0x130/0x360 [ 7086.098292][ T74] netlink_unicast+0x449/0x710 [ 7086.098292][ T74] netlink_sendmsg+0x723/0xbe0 [ 7086.098292][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7086.098292][ T74] ___sys_sendmsg+0xee/0x170 [ 7086.098292][ T74] __sys_sendmsg+0xcd/0x170 [ 7086.098292][ T74] do_syscall_64+0xc6/0x1e0 [ 7086.098292][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7086.098292][ T74] [ 7086.099838][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7086.099838][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7086.099838][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7086.099838][ T74] ipv6_find_idev+0x102/0x170 [ 7086.099838][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7086.099838][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7086.099838][ T74] netlink_rcv_skb+0x130/0x360 [ 7086.099838][ T74] netlink_unicast+0x449/0x710 [ 7086.099838][ T74] netlink_sendmsg+0x723/0xbe0 [ 7086.099838][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7086.099838][ T74] ___sys_sendmsg+0xee/0x170 [ 7086.099838][ T74] __sys_sendmsg+0xcd/0x170 [ 7086.099838][ T74] do_syscall_64+0xc6/0x1e0 [ 7086.099838][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7086.099838][ T74] [ 7086.101550][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 7086.101831][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 7086.101831][ T74] dst_init+0x84/0x4a0 [ 7086.101831][ T74] dst_alloc+0x97/0x150 [ 7086.101831][ T74] ip6_dst_alloc+0x23/0x90 [ 7086.101831][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7086.101831][ T74] ip6_pol_route+0x56f/0x840 [ 7086.101831][ T74] fib6_rule_lookup+0x456/0x630 [ 7086.101831][ T74] ip6_route_input+0x59c/0xa50 [ 7086.101831][ T74] ipv6_rcv+0x397/0x810 [ 7086.101831][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 7086.101831][ T74] process_backlog+0x101/0x620 [ 7086.101831][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 7086.101831][ T74] net_rx_action+0x495/0xbe0 [ 7086.101831][ T74] __do_softirq+0x1b5/0x7f6 [ 7086.101831][ T74] [ 7086.103478][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7086.103478][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 7086.103478][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 7086.103478][ T74] fib6_nh_init+0xa22/0x1580 [ 7086.103478][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7086.103478][ T74] ip6_route_add+0x1c/0x140 [ 7086.103478][ T74] inet6_rtm_newroute+0x104/0x110 [ 7086.103478][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7086.103478][ T74] netlink_rcv_skb+0x130/0x360 [ 7086.103478][ T74] netlink_unicast+0x449/0x710 [ 7086.103478][ T74] netlink_sendmsg+0x723/0xbe0 [ 7086.103478][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7086.103478][ T74] ___sys_sendmsg+0xee/0x170 [ 7086.103478][ T74] __sys_sendmsg+0xcd/0x170 [ 7086.103478][ T74] do_syscall_64+0xc6/0x1e0 [ 7086.103478][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7086.103478][ T74] [ 7086.105391][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7086.105391][ T74] netdev_get_by_index+0x5e/0x80 [ 7086.105391][ T74] fib6_nh_init+0x3d8/0x1580 [ 7086.105391][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7086.105391][ T74] addrconf_f6i_alloc+0x265/0x560 [ 7086.105391][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7086.105391][ T74] addrconf_join_anycast+0x1c0/0x220 [ 7086.105391][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7086.105391][ T74] addrconf_dad_completed+0x12b/0xe20 [ 7086.105391][ T74] addrconf_dad_begin+0x310/0x670 [ 7086.105391][ T74] addrconf_dad_work+0x10b/0xab0 [ 7086.105391][ T74] process_one_work+0x84d/0x18a0 [ 7086.105391][ T74] worker_thread+0x587/0xd30 [ 7086.105391][ T74] kthread+0x28a/0x350 [ 7086.105391][ T74] ret_from_fork+0x31/0x70 [ 7086.105391][ T74] ret_from_fork_asm+0x1a/0x30 [ 7086.105391][ T74] [ 7086.107340][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7086.107340][ T74] netdev_get_by_index+0x5e/0x80 [ 7086.107340][ T74] fib6_nh_init+0x3d8/0x1580 [ 7086.107340][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7086.107340][ T74] ip6_route_add+0x1c/0x140 [ 7086.107340][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7086.107340][ T74] inet6_addr_add+0x4f8/0xa40 [ 7086.107340][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7086.107340][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7086.107340][ T74] netlink_rcv_skb+0x130/0x360 [ 7086.107340][ T74] netlink_unicast+0x449/0x710 [ 7086.107340][ T74] netlink_sendmsg+0x723/0xbe0 [ 7086.107340][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7086.107340][ T74] ___sys_sendmsg+0xee/0x170 [ 7086.107340][ T74] __sys_sendmsg+0xcd/0x170 [ 7086.107340][ T74] do_syscall_64+0xc6/0x1e0 [ 7086.107340][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7086.107340][ T74] [ 7086.109364][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7086.109364][ T74] netdev_get_by_index+0x5e/0x80 [ 7086.109364][ T74] fib6_nh_init+0x3d8/0x1580 [ 7086.109364][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7086.109364][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7086.109364][ T74] ipv6_add_addr+0x411/0x2000 [ 7086.109364][ T74] inet6_addr_add+0x30e/0xa40 [ 7086.109364][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7086.109364][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7086.109364][ T74] netlink_rcv_skb+0x130/0x360 [ 7086.109364][ T74] netlink_unicast+0x449/0x710 [ 7086.109364][ T74] netlink_sendmsg+0x723/0xbe0 [ 7086.109364][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7086.109364][ T74] ___sys_sendmsg+0xee/0x170 [ 7086.109364][ T74] __sys_sendmsg+0xcd/0x170 [ 7086.109364][ T74] do_syscall_64+0xc6/0x1e0 [ 7086.109364][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7086.109364][ T74] [ 7086.111387][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7086.111387][ T74] netdev_get_by_index+0x5e/0x80 [ 7086.111387][ T74] fib6_nh_init+0x3d8/0x1580 [ 7086.111387][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7086.111387][ T74] ip6_route_add+0x1c/0x140 [ 7086.111387][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 7086.111387][ T74] addrconf_add_dev+0xe2/0x170 [ 7086.111387][ T74] inet6_addr_add+0x12f/0xa40 [ 7086.111387][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7086.111387][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7086.111387][ T74] netlink_rcv_skb+0x130/0x360 [ 7086.111387][ T74] netlink_unicast+0x449/0x710 [ 7086.111387][ T74] netlink_sendmsg+0x723/0xbe0 [ 7086.111387][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7086.111387][ T74] ___sys_sendmsg+0xee/0x170 [ 7086.111387][ T74] __sys_sendmsg+0xcd/0x170 [ 7086.111387][ T74] do_syscall_64+0xc6/0x1e0 [ 7086.111387][ T74] [ 7086.113376][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7086.113376][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7086.113376][ T74] ipv6_find_idev+0x102/0x170 [ 7086.113376][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7086.113376][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7086.113376][ T74] netlink_rcv_skb+0x130/0x360 [ 7086.113376][ T74] netlink_unicast+0x449/0x710 [ 7086.113376][ T74] netlink_sendmsg+0x723/0xbe0 [ 7086.113376][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7086.113376][ T74] ___sys_sendmsg+0xee/0x170 [ 7086.113376][ T74] __sys_sendmsg+0xcd/0x170 [ 7086.113376][ T74] do_syscall_64+0xc6/0x1e0 [ 7086.113376][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7086.113376][ T74] [ 7086.115047][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7086.115047][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7086.115047][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7086.115047][ T74] ipv6_find_idev+0x102/0x170 [ 7086.115047][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7086.115047][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7086.115047][ T74] netlink_rcv_skb+0x130/0x360 [ 7086.115047][ T74] netlink_unicast+0x449/0x710 [ 7086.115047][ T74] netlink_sendmsg+0x723/0xbe0 [ 7086.115047][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7086.115047][ T74] ___sys_sendmsg+0xee/0x170 [ 7086.115047][ T74] __sys_sendmsg+0xcd/0x170 [ 7086.115047][ T74] do_syscall_64+0xc6/0x1e0 [ 7086.115047][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7086.115047][ T74] [ 7086.117006][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 7086.117311][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7086.117311][ T74] netdev_get_by_index+0x5e/0x80 [ 7086.117311][ T74] fib6_nh_init+0x3d8/0x1580 [ 7086.117311][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7086.117311][ T74] ip6_route_add+0x1c/0x140 [ 7086.117311][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7086.117311][ T74] inet6_addr_add+0x4f8/0xa40 [ 7086.117311][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7086.117311][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7086.117311][ T74] netlink_rcv_skb+0x130/0x360 [ 7086.117311][ T74] netlink_unicast+0x449/0x710 [ 7086.117311][ T74] netlink_sendmsg+0x723/0xbe0 [ 7086.117311][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7086.117311][ T74] ___sys_sendmsg+0xee/0x170 [ 7086.117311][ T74] __sys_sendmsg+0xcd/0x170 [ 7086.117311][ T74] do_syscall_64+0xc6/0x1e0 [ 7086.117311][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7086.117311][ T74] [ 7086.119508][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7086.119508][ T74] netdev_get_by_index+0x5e/0x80 [ 7086.119508][ T74] fib6_nh_init+0x3d8/0x1580 [ 7086.119508][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7086.119508][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7086.119508][ T74] ipv6_add_addr+0x411/0x2000 [ 7086.119508][ T74] inet6_addr_add+0x30e/0xa40 [ 7086.119508][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7086.119508][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7086.119508][ T74] netlink_rcv_skb+0x130/0x360 [ 7086.119508][ T74] netlink_unicast+0x449/0x710 [ 7086.119508][ T74] netlink_sendmsg+0x723/0xbe0 [ 7086.119508][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7086.119508][ T74] ___sys_sendmsg+0xee/0x170 [ 7086.119508][ T74] __sys_sendmsg+0xcd/0x170 [ 7086.119508][ T74] do_syscall_64+0xc6/0x1e0 [ 7086.119508][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7086.119508][ T74] [ 7086.121778][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7086.121778][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7086.121778][ T74] ipv6_find_idev+0x102/0x170 [ 7086.121778][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7086.121778][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7086.121778][ T74] netlink_rcv_skb+0x130/0x360 [ 7086.121778][ T74] netlink_unicast+0x449/0x710 [ 7086.121778][ T74] netlink_sendmsg+0x723/0xbe0 [ 7086.121778][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7086.121778][ T74] ___sys_sendmsg+0xee/0x170 [ 7086.121778][ T74] __sys_sendmsg+0xcd/0x170 [ 7086.121778][ T74] do_syscall_64+0xc6/0x1e0 [ 7086.121778][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7086.121778][ T74] [ 7086.123509][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7086.123509][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7086.123509][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7086.123509][ T74] ipv6_find_idev+0x102/0x170 [ 7086.123509][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7086.123509][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7086.123509][ T74] netlink_rcv_skb+0x130/0x360 [ 7086.123509][ T74] netlink_unicast+0x449/0x710 [ 7086.123509][ T74] netlink_sendmsg+0x723/0xbe0 [ 7086.123509][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7086.123509][ T74] ___sys_sendmsg+0xee/0x170 [ 7086.123509][ T74] __sys_sendmsg+0xcd/0x170 [ 7086.123509][ T74] do_syscall_64+0xc6/0x1e0 [ 7086.123509][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7086.123509][ T74] [ 7096.367957][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 7096.368369][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7096.368369][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 7096.368369][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 7096.368369][ T74] fib6_nh_init+0xa22/0x1580 [ 7096.368369][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7096.368369][ T74] ip6_route_add+0x1c/0x140 [ 7096.368369][ T74] inet6_rtm_newroute+0x104/0x110 [ 7096.368369][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7096.368369][ T74] netlink_rcv_skb+0x130/0x360 [ 7096.368369][ T74] netlink_unicast+0x449/0x710 [ 7096.368369][ T74] netlink_sendmsg+0x723/0xbe0 [ 7096.368369][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7096.368369][ T74] ___sys_sendmsg+0xee/0x170 [ 7096.368369][ T74] __sys_sendmsg+0xcd/0x170 [ 7096.368369][ T74] do_syscall_64+0xc6/0x1e0 [ 7096.368369][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7096.368369][ T74] [ 7096.370271][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7096.370271][ T74] netdev_get_by_index+0x5e/0x80 [ 7096.370271][ T74] fib6_nh_init+0x3d8/0x1580 [ 7096.370271][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7096.370271][ T74] addrconf_f6i_alloc+0x265/0x560 [ 7096.370271][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7096.370271][ T74] addrconf_join_anycast+0x1c0/0x220 [ 7096.370271][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7096.370271][ T74] addrconf_dad_completed+0x12b/0xe20 [ 7096.370271][ T74] addrconf_dad_begin+0x310/0x670 [ 7096.370271][ T74] addrconf_dad_work+0x10b/0xab0 [ 7096.370271][ T74] process_one_work+0x84d/0x18a0 [ 7096.370271][ T74] worker_thread+0x587/0xd30 [ 7096.370271][ T74] kthread+0x28a/0x350 [ 7096.370271][ T74] ret_from_fork+0x31/0x70 [ 7096.370271][ T74] ret_from_fork_asm+0x1a/0x30 [ 7096.370271][ T74] [ 7096.372182][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7096.372182][ T74] netdev_get_by_index+0x5e/0x80 [ 7096.372182][ T74] fib6_nh_init+0x3d8/0x1580 [ 7096.372182][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7096.372182][ T74] ip6_route_add+0x1c/0x140 [ 7096.372182][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7096.372182][ T74] inet6_addr_add+0x4f8/0xa40 [ 7096.372182][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7096.372182][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7096.372182][ T74] netlink_rcv_skb+0x130/0x360 [ 7096.372182][ T74] netlink_unicast+0x449/0x710 [ 7096.372182][ T74] netlink_sendmsg+0x723/0xbe0 [ 7096.372182][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7096.372182][ T74] ___sys_sendmsg+0xee/0x170 [ 7096.372182][ T74] __sys_sendmsg+0xcd/0x170 [ 7096.372182][ T74] do_syscall_64+0xc6/0x1e0 [ 7096.372182][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7096.372182][ T74] [ 7096.374194][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7096.374194][ T74] netdev_get_by_index+0x5e/0x80 [ 7096.374194][ T74] fib6_nh_init+0x3d8/0x1580 [ 7096.374194][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7096.374194][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7096.374194][ T74] ipv6_add_addr+0x411/0x2000 [ 7096.374194][ T74] inet6_addr_add+0x30e/0xa40 [ 7096.374194][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7096.374194][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7096.374194][ T74] netlink_rcv_skb+0x130/0x360 [ 7096.374194][ T74] netlink_unicast+0x449/0x710 [ 7096.374194][ T74] netlink_sendmsg+0x723/0xbe0 [ 7096.374194][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7096.374194][ T74] ___sys_sendmsg+0xee/0x170 [ 7096.374194][ T74] __sys_sendmsg+0xcd/0x170 [ 7096.374194][ T74] do_syscall_64+0xc6/0x1e0 [ 7096.374194][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7096.374194][ T74] [ 7096.376195][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7096.376195][ T74] netdev_get_by_index+0x5e/0x80 [ 7096.376195][ T74] fib6_nh_init+0x3d8/0x1580 [ 7096.376195][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7096.376195][ T74] ip6_route_add+0x1c/0x140 [ 7096.376195][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 7096.376195][ T74] addrconf_add_dev+0xe2/0x170 [ 7096.376195][ T74] inet6_addr_add+0x12f/0xa40 [ 7096.376195][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7096.376195][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7096.376195][ T74] netlink_rcv_skb+0x130/0x360 [ 7096.376195][ T74] netlink_unicast+0x449/0x710 [ 7096.376195][ T74] netlink_sendmsg+0x723/0xbe0 [ 7096.376195][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7096.376195][ T74] ___sys_sendmsg+0xee/0x170 [ 7096.376195][ T74] __sys_sendmsg+0xcd/0x170 [ 7096.376195][ T74] do_syscall_64+0xc6/0x1e0 [ 7096.376195][ T74] [ 7096.378153][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7096.378153][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7096.378153][ T74] ipv6_find_idev+0x102/0x170 [ 7096.378153][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7096.378153][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7096.378153][ T74] netlink_rcv_skb+0x130/0x360 [ 7096.378153][ T74] netlink_unicast+0x449/0x710 [ 7096.378153][ T74] netlink_sendmsg+0x723/0xbe0 [ 7096.378153][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7096.378153][ T74] ___sys_sendmsg+0xee/0x170 [ 7096.378153][ T74] __sys_sendmsg+0xcd/0x170 [ 7096.378153][ T74] do_syscall_64+0xc6/0x1e0 [ 7096.378153][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7096.378153][ T74] [ 7096.379692][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7096.379692][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7096.379692][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7096.379692][ T74] ipv6_find_idev+0x102/0x170 [ 7096.379692][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7096.379692][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7096.379692][ T74] netlink_rcv_skb+0x130/0x360 [ 7096.379692][ T74] netlink_unicast+0x449/0x710 [ 7096.379692][ T74] netlink_sendmsg+0x723/0xbe0 [ 7096.379692][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7096.379692][ T74] ___sys_sendmsg+0xee/0x170 [ 7096.379692][ T74] __sys_sendmsg+0xcd/0x170 [ 7096.379692][ T74] do_syscall_64+0xc6/0x1e0 [ 7096.379692][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7096.379692][ T74] [ 7096.381373][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 7096.381647][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 7096.381647][ T74] dst_init+0x84/0x4a0 [ 7096.381647][ T74] dst_alloc+0x97/0x150 [ 7096.381647][ T74] ip6_dst_alloc+0x23/0x90 [ 7096.381647][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7096.381647][ T74] ip6_pol_route+0x56f/0x840 [ 7096.381647][ T74] fib6_rule_lookup+0x456/0x630 [ 7096.381647][ T74] ip6_route_input+0x59c/0xa50 [ 7096.381647][ T74] ipv6_rcv+0x397/0x810 [ 7096.381647][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 7096.381647][ T74] process_backlog+0x101/0x620 [ 7096.381647][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 7096.381647][ T74] net_rx_action+0x495/0xbe0 [ 7096.381647][ T74] __do_softirq+0x1b5/0x7f6 [ 7096.381647][ T74] [ 7096.383281][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7096.383281][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 7096.383281][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 7096.383281][ T74] fib6_nh_init+0xa22/0x1580 [ 7096.383281][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7096.383281][ T74] ip6_route_add+0x1c/0x140 [ 7096.383281][ T74] inet6_rtm_newroute+0x104/0x110 [ 7096.383281][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7096.383281][ T74] netlink_rcv_skb+0x130/0x360 [ 7096.383281][ T74] netlink_unicast+0x449/0x710 [ 7096.383281][ T74] netlink_sendmsg+0x723/0xbe0 [ 7096.383281][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7096.383281][ T74] ___sys_sendmsg+0xee/0x170 [ 7096.383281][ T74] __sys_sendmsg+0xcd/0x170 [ 7096.383281][ T74] do_syscall_64+0xc6/0x1e0 [ 7096.383281][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7096.383281][ T74] [ 7096.385168][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7096.385168][ T74] netdev_get_by_index+0x5e/0x80 [ 7096.385168][ T74] fib6_nh_init+0x3d8/0x1580 [ 7096.385168][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7096.385168][ T74] addrconf_f6i_alloc+0x265/0x560 [ 7096.385168][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7096.385168][ T74] addrconf_join_anycast+0x1c0/0x220 [ 7096.385168][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7096.385168][ T74] addrconf_dad_completed+0x12b/0xe20 [ 7096.385168][ T74] addrconf_dad_begin+0x310/0x670 [ 7096.385168][ T74] addrconf_dad_work+0x10b/0xab0 [ 7096.385168][ T74] process_one_work+0x84d/0x18a0 [ 7096.385168][ T74] worker_thread+0x587/0xd30 [ 7096.385168][ T74] kthread+0x28a/0x350 [ 7096.385168][ T74] ret_from_fork+0x31/0x70 [ 7096.385168][ T74] ret_from_fork_asm+0x1a/0x30 [ 7096.385168][ T74] [ 7096.387076][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7096.387076][ T74] netdev_get_by_index+0x5e/0x80 [ 7096.387076][ T74] fib6_nh_init+0x3d8/0x1580 [ 7096.387076][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7096.387076][ T74] ip6_route_add+0x1c/0x140 [ 7096.387076][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7096.387076][ T74] inet6_addr_add+0x4f8/0xa40 [ 7096.387076][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7096.387076][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7096.387076][ T74] netlink_rcv_skb+0x130/0x360 [ 7096.387076][ T74] netlink_unicast+0x449/0x710 [ 7096.387076][ T74] netlink_sendmsg+0x723/0xbe0 [ 7096.387076][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7096.387076][ T74] ___sys_sendmsg+0xee/0x170 [ 7096.387076][ T74] __sys_sendmsg+0xcd/0x170 [ 7096.387076][ T74] do_syscall_64+0xc6/0x1e0 [ 7096.387076][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7096.387076][ T74] [ 7096.389082][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7096.389082][ T74] netdev_get_by_index+0x5e/0x80 [ 7096.389082][ T74] fib6_nh_init+0x3d8/0x1580 [ 7096.389082][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7096.389082][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7096.389082][ T74] ipv6_add_addr+0x411/0x2000 [ 7096.389082][ T74] inet6_addr_add+0x30e/0xa40 [ 7096.389082][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7096.389082][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7096.389082][ T74] netlink_rcv_skb+0x130/0x360 [ 7096.389082][ T74] netlink_unicast+0x449/0x710 [ 7096.389082][ T74] netlink_sendmsg+0x723/0xbe0 [ 7096.389082][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7096.389082][ T74] ___sys_sendmsg+0xee/0x170 [ 7096.389082][ T74] __sys_sendmsg+0xcd/0x170 [ 7096.389082][ T74] do_syscall_64+0xc6/0x1e0 [ 7096.389082][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7096.389082][ T74] [ 7096.391070][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7096.391070][ T74] netdev_get_by_index+0x5e/0x80 [ 7096.391070][ T74] fib6_nh_init+0x3d8/0x1580 [ 7096.391070][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7096.391070][ T74] ip6_route_add+0x1c/0x140 [ 7096.391070][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 7096.391070][ T74] addrconf_add_dev+0xe2/0x170 [ 7096.391070][ T74] inet6_addr_add+0x12f/0xa40 [ 7096.391070][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7096.391070][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7096.391070][ T74] netlink_rcv_skb+0x130/0x360 [ 7096.391070][ T74] netlink_unicast+0x449/0x710 [ 7096.391070][ T74] netlink_sendmsg+0x723/0xbe0 [ 7096.391070][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7096.391070][ T74] ___sys_sendmsg+0xee/0x170 [ 7096.391070][ T74] __sys_sendmsg+0xcd/0x170 [ 7096.391070][ T74] do_syscall_64+0xc6/0x1e0 [ 7096.391070][ T74] [ 7096.393025][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7096.393025][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7096.393025][ T74] ipv6_find_idev+0x102/0x170 [ 7096.393025][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7096.393025][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7096.393025][ T74] netlink_rcv_skb+0x130/0x360 [ 7096.393025][ T74] netlink_unicast+0x449/0x710 [ 7096.393025][ T74] netlink_sendmsg+0x723/0xbe0 [ 7096.393025][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7096.393025][ T74] ___sys_sendmsg+0xee/0x170 [ 7096.393025][ T74] __sys_sendmsg+0xcd/0x170 [ 7096.393025][ T74] do_syscall_64+0xc6/0x1e0 [ 7096.393025][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7096.393025][ T74] [ 7096.394681][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7096.394681][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7096.394681][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7096.394681][ T74] ipv6_find_idev+0x102/0x170 [ 7096.394681][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7096.394681][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7096.394681][ T74] netlink_rcv_skb+0x130/0x360 [ 7096.394681][ T74] netlink_unicast+0x449/0x710 [ 7096.394681][ T74] netlink_sendmsg+0x723/0xbe0 [ 7096.394681][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7096.394681][ T74] ___sys_sendmsg+0xee/0x170 [ 7096.394681][ T74] __sys_sendmsg+0xcd/0x170 [ 7096.394681][ T74] do_syscall_64+0xc6/0x1e0 [ 7096.394681][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7096.394681][ T74] [ 7096.396605][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 7096.396844][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7096.396844][ T74] netdev_get_by_index+0x5e/0x80 [ 7096.396844][ T74] fib6_nh_init+0x3d8/0x1580 [ 7096.396844][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7096.396844][ T74] ip6_route_add+0x1c/0x140 [ 7096.396844][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7096.396844][ T74] inet6_addr_add+0x4f8/0xa40 [ 7096.396844][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7096.396844][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7096.396844][ T74] netlink_rcv_skb+0x130/0x360 [ 7096.396844][ T74] netlink_unicast+0x449/0x710 [ 7096.396844][ T74] netlink_sendmsg+0x723/0xbe0 [ 7096.396844][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7096.396844][ T74] ___sys_sendmsg+0xee/0x170 [ 7096.396844][ T74] __sys_sendmsg+0xcd/0x170 [ 7096.396844][ T74] do_syscall_64+0xc6/0x1e0 [ 7096.396844][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7096.396844][ T74] [ 7096.399071][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7096.399071][ T74] netdev_get_by_index+0x5e/0x80 [ 7096.399071][ T74] fib6_nh_init+0x3d8/0x1580 [ 7096.399071][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7096.399071][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7096.399071][ T74] ipv6_add_addr+0x411/0x2000 [ 7096.399071][ T74] inet6_addr_add+0x30e/0xa40 [ 7096.399071][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7096.399071][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7096.399071][ T74] netlink_rcv_skb+0x130/0x360 [ 7096.399071][ T74] netlink_unicast+0x449/0x710 [ 7096.399071][ T74] netlink_sendmsg+0x723/0xbe0 [ 7096.399071][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7096.399071][ T74] ___sys_sendmsg+0xee/0x170 [ 7096.399071][ T74] __sys_sendmsg+0xcd/0x170 [ 7096.399071][ T74] do_syscall_64+0xc6/0x1e0 [ 7096.399071][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7096.399071][ T74] [ 7096.401360][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7096.401360][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7096.401360][ T74] ipv6_find_idev+0x102/0x170 [ 7096.401360][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7096.401360][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7096.401360][ T74] netlink_rcv_skb+0x130/0x360 [ 7096.401360][ T74] netlink_unicast+0x449/0x710 [ 7096.401360][ T74] netlink_sendmsg+0x723/0xbe0 [ 7096.401360][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7096.401360][ T74] ___sys_sendmsg+0xee/0x170 [ 7096.401360][ T74] __sys_sendmsg+0xcd/0x170 [ 7096.401360][ T74] do_syscall_64+0xc6/0x1e0 [ 7096.401360][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7096.401360][ T74] [ 7096.403012][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7096.403012][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7096.403012][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7096.403012][ T74] ipv6_find_idev+0x102/0x170 [ 7096.403012][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7096.403012][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7096.403012][ T74] netlink_rcv_skb+0x130/0x360 [ 7096.403012][ T74] netlink_unicast+0x449/0x710 [ 7096.403012][ T74] netlink_sendmsg+0x723/0xbe0 [ 7096.403012][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7096.403012][ T74] ___sys_sendmsg+0xee/0x170 [ 7096.403012][ T74] __sys_sendmsg+0xcd/0x170 [ 7096.403012][ T74] do_syscall_64+0xc6/0x1e0 [ 7096.403012][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7096.403012][ T74] [ 7106.640033][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 7106.640456][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7106.640456][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 7106.640456][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 7106.640456][ T74] fib6_nh_init+0xa22/0x1580 [ 7106.640456][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7106.640456][ T74] ip6_route_add+0x1c/0x140 [ 7106.640456][ T74] inet6_rtm_newroute+0x104/0x110 [ 7106.640456][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7106.640456][ T74] netlink_rcv_skb+0x130/0x360 [ 7106.640456][ T74] netlink_unicast+0x449/0x710 [ 7106.640456][ T74] netlink_sendmsg+0x723/0xbe0 [ 7106.640456][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7106.640456][ T74] ___sys_sendmsg+0xee/0x170 [ 7106.640456][ T74] __sys_sendmsg+0xcd/0x170 [ 7106.640456][ T74] do_syscall_64+0xc6/0x1e0 [ 7106.640456][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7106.640456][ T74] [ 7106.642362][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7106.642362][ T74] netdev_get_by_index+0x5e/0x80 [ 7106.642362][ T74] fib6_nh_init+0x3d8/0x1580 [ 7106.642362][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7106.642362][ T74] addrconf_f6i_alloc+0x265/0x560 [ 7106.642362][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7106.642362][ T74] addrconf_join_anycast+0x1c0/0x220 [ 7106.642362][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7106.642362][ T74] addrconf_dad_completed+0x12b/0xe20 [ 7106.642362][ T74] addrconf_dad_begin+0x310/0x670 [ 7106.642362][ T74] addrconf_dad_work+0x10b/0xab0 [ 7106.642362][ T74] process_one_work+0x84d/0x18a0 [ 7106.642362][ T74] worker_thread+0x587/0xd30 [ 7106.642362][ T74] kthread+0x28a/0x350 [ 7106.642362][ T74] ret_from_fork+0x31/0x70 [ 7106.642362][ T74] ret_from_fork_asm+0x1a/0x30 [ 7106.642362][ T74] [ 7106.644280][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7106.644280][ T74] netdev_get_by_index+0x5e/0x80 [ 7106.644280][ T74] fib6_nh_init+0x3d8/0x1580 [ 7106.644280][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7106.644280][ T74] ip6_route_add+0x1c/0x140 [ 7106.644280][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7106.644280][ T74] inet6_addr_add+0x4f8/0xa40 [ 7106.644280][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7106.644280][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7106.644280][ T74] netlink_rcv_skb+0x130/0x360 [ 7106.644280][ T74] netlink_unicast+0x449/0x710 [ 7106.644280][ T74] netlink_sendmsg+0x723/0xbe0 [ 7106.644280][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7106.644280][ T74] ___sys_sendmsg+0xee/0x170 [ 7106.644280][ T74] __sys_sendmsg+0xcd/0x170 [ 7106.644280][ T74] do_syscall_64+0xc6/0x1e0 [ 7106.644280][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7106.644280][ T74] [ 7106.646278][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7106.646278][ T74] netdev_get_by_index+0x5e/0x80 [ 7106.646278][ T74] fib6_nh_init+0x3d8/0x1580 [ 7106.646278][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7106.646278][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7106.646278][ T74] ipv6_add_addr+0x411/0x2000 [ 7106.646278][ T74] inet6_addr_add+0x30e/0xa40 [ 7106.646278][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7106.646278][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7106.646278][ T74] netlink_rcv_skb+0x130/0x360 [ 7106.646278][ T74] netlink_unicast+0x449/0x710 [ 7106.646278][ T74] netlink_sendmsg+0x723/0xbe0 [ 7106.646278][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7106.646278][ T74] ___sys_sendmsg+0xee/0x170 [ 7106.646278][ T74] __sys_sendmsg+0xcd/0x170 [ 7106.646278][ T74] do_syscall_64+0xc6/0x1e0 [ 7106.646278][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7106.646278][ T74] [ 7106.648266][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7106.648266][ T74] netdev_get_by_index+0x5e/0x80 [ 7106.648266][ T74] fib6_nh_init+0x3d8/0x1580 [ 7106.648266][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7106.648266][ T74] ip6_route_add+0x1c/0x140 [ 7106.648266][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 7106.648266][ T74] addrconf_add_dev+0xe2/0x170 [ 7106.648266][ T74] inet6_addr_add+0x12f/0xa40 [ 7106.648266][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7106.648266][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7106.648266][ T74] netlink_rcv_skb+0x130/0x360 [ 7106.648266][ T74] netlink_unicast+0x449/0x710 [ 7106.648266][ T74] netlink_sendmsg+0x723/0xbe0 [ 7106.648266][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7106.648266][ T74] ___sys_sendmsg+0xee/0x170 [ 7106.648266][ T74] __sys_sendmsg+0xcd/0x170 [ 7106.648266][ T74] do_syscall_64+0xc6/0x1e0 [ 7106.648266][ T74] [ 7106.650221][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7106.650221][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7106.650221][ T74] ipv6_find_idev+0x102/0x170 [ 7106.650221][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7106.650221][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7106.650221][ T74] netlink_rcv_skb+0x130/0x360 [ 7106.650221][ T74] netlink_unicast+0x449/0x710 [ 7106.650221][ T74] netlink_sendmsg+0x723/0xbe0 [ 7106.650221][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7106.650221][ T74] ___sys_sendmsg+0xee/0x170 [ 7106.650221][ T74] __sys_sendmsg+0xcd/0x170 [ 7106.650221][ T74] do_syscall_64+0xc6/0x1e0 [ 7106.650221][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7106.650221][ T74] [ 7106.651765][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7106.651765][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7106.651765][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7106.651765][ T74] ipv6_find_idev+0x102/0x170 [ 7106.651765][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7106.651765][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7106.651765][ T74] netlink_rcv_skb+0x130/0x360 [ 7106.651765][ T74] netlink_unicast+0x449/0x710 [ 7106.651765][ T74] netlink_sendmsg+0x723/0xbe0 [ 7106.651765][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7106.651765][ T74] ___sys_sendmsg+0xee/0x170 [ 7106.651765][ T74] __sys_sendmsg+0xcd/0x170 [ 7106.651765][ T74] do_syscall_64+0xc6/0x1e0 [ 7106.651765][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7106.651765][ T74] [ 7106.653449][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 7106.653718][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 7106.653718][ T74] dst_init+0x84/0x4a0 [ 7106.653718][ T74] dst_alloc+0x97/0x150 [ 7106.653718][ T74] ip6_dst_alloc+0x23/0x90 [ 7106.653718][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7106.653718][ T74] ip6_pol_route+0x56f/0x840 [ 7106.653718][ T74] fib6_rule_lookup+0x456/0x630 [ 7106.653718][ T74] ip6_route_input+0x59c/0xa50 [ 7106.653718][ T74] ipv6_rcv+0x397/0x810 [ 7106.653718][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 7106.653718][ T74] process_backlog+0x101/0x620 [ 7106.653718][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 7106.653718][ T74] net_rx_action+0x495/0xbe0 [ 7106.653718][ T74] __do_softirq+0x1b5/0x7f6 [ 7106.653718][ T74] [ 7106.655358][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7106.655358][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 7106.655358][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 7106.655358][ T74] fib6_nh_init+0xa22/0x1580 [ 7106.655358][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7106.655358][ T74] ip6_route_add+0x1c/0x140 [ 7106.655358][ T74] inet6_rtm_newroute+0x104/0x110 [ 7106.655358][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7106.655358][ T74] netlink_rcv_skb+0x130/0x360 [ 7106.655358][ T74] netlink_unicast+0x449/0x710 [ 7106.655358][ T74] netlink_sendmsg+0x723/0xbe0 [ 7106.655358][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7106.655358][ T74] ___sys_sendmsg+0xee/0x170 [ 7106.655358][ T74] __sys_sendmsg+0xcd/0x170 [ 7106.655358][ T74] do_syscall_64+0xc6/0x1e0 [ 7106.655358][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7106.655358][ T74] [ 7106.657231][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7106.657231][ T74] netdev_get_by_index+0x5e/0x80 [ 7106.657231][ T74] fib6_nh_init+0x3d8/0x1580 [ 7106.657231][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7106.657231][ T74] addrconf_f6i_alloc+0x265/0x560 [ 7106.657231][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7106.657231][ T74] addrconf_join_anycast+0x1c0/0x220 [ 7106.657231][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7106.657231][ T74] addrconf_dad_completed+0x12b/0xe20 [ 7106.657231][ T74] addrconf_dad_begin+0x310/0x670 [ 7106.657231][ T74] addrconf_dad_work+0x10b/0xab0 [ 7106.657231][ T74] process_one_work+0x84d/0x18a0 [ 7106.657231][ T74] worker_thread+0x587/0xd30 [ 7106.657231][ T74] kthread+0x28a/0x350 [ 7106.657231][ T74] ret_from_fork+0x31/0x70 [ 7106.657231][ T74] ret_from_fork_asm+0x1a/0x30 [ 7106.657231][ T74] [ 7106.659134][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7106.659134][ T74] netdev_get_by_index+0x5e/0x80 [ 7106.659134][ T74] fib6_nh_init+0x3d8/0x1580 [ 7106.659134][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7106.659134][ T74] ip6_route_add+0x1c/0x140 [ 7106.659134][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7106.659134][ T74] inet6_addr_add+0x4f8/0xa40 [ 7106.659134][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7106.659134][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7106.659134][ T74] netlink_rcv_skb+0x130/0x360 [ 7106.659134][ T74] netlink_unicast+0x449/0x710 [ 7106.659134][ T74] netlink_sendmsg+0x723/0xbe0 [ 7106.659134][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7106.659134][ T74] ___sys_sendmsg+0xee/0x170 [ 7106.659134][ T74] __sys_sendmsg+0xcd/0x170 [ 7106.659134][ T74] do_syscall_64+0xc6/0x1e0 [ 7106.659134][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7106.659134][ T74] [ 7106.661132][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7106.661132][ T74] netdev_get_by_index+0x5e/0x80 [ 7106.661132][ T74] fib6_nh_init+0x3d8/0x1580 [ 7106.661132][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7106.661132][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7106.661132][ T74] ipv6_add_addr+0x411/0x2000 [ 7106.661132][ T74] inet6_addr_add+0x30e/0xa40 [ 7106.661132][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7106.661132][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7106.661132][ T74] netlink_rcv_skb+0x130/0x360 [ 7106.661132][ T74] netlink_unicast+0x449/0x710 [ 7106.661132][ T74] netlink_sendmsg+0x723/0xbe0 [ 7106.661132][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7106.661132][ T74] ___sys_sendmsg+0xee/0x170 [ 7106.661132][ T74] __sys_sendmsg+0xcd/0x170 [ 7106.661132][ T74] do_syscall_64+0xc6/0x1e0 [ 7106.661132][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7106.661132][ T74] [ 7106.663111][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7106.663111][ T74] netdev_get_by_index+0x5e/0x80 [ 7106.663111][ T74] fib6_nh_init+0x3d8/0x1580 [ 7106.663111][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7106.663111][ T74] ip6_route_add+0x1c/0x140 [ 7106.663111][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 7106.663111][ T74] addrconf_add_dev+0xe2/0x170 [ 7106.663111][ T74] inet6_addr_add+0x12f/0xa40 [ 7106.663111][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7106.663111][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7106.663111][ T74] netlink_rcv_skb+0x130/0x360 [ 7106.663111][ T74] netlink_unicast+0x449/0x710 [ 7106.663111][ T74] netlink_sendmsg+0x723/0xbe0 [ 7106.663111][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7106.663111][ T74] ___sys_sendmsg+0xee/0x170 [ 7106.663111][ T74] __sys_sendmsg+0xcd/0x170 [ 7106.663111][ T74] do_syscall_64+0xc6/0x1e0 [ 7106.663111][ T74] [ 7106.665064][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7106.665064][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7106.665064][ T74] ipv6_find_idev+0x102/0x170 [ 7106.665064][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7106.665064][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7106.665064][ T74] netlink_rcv_skb+0x130/0x360 [ 7106.665064][ T74] netlink_unicast+0x449/0x710 [ 7106.665064][ T74] netlink_sendmsg+0x723/0xbe0 [ 7106.665064][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7106.665064][ T74] ___sys_sendmsg+0xee/0x170 [ 7106.665064][ T74] __sys_sendmsg+0xcd/0x170 [ 7106.665064][ T74] do_syscall_64+0xc6/0x1e0 [ 7106.665064][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7106.665064][ T74] [ 7106.666741][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7106.666741][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7106.666741][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7106.666741][ T74] ipv6_find_idev+0x102/0x170 [ 7106.666741][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7106.666741][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7106.666741][ T74] netlink_rcv_skb+0x130/0x360 [ 7106.666741][ T74] netlink_unicast+0x449/0x710 [ 7106.666741][ T74] netlink_sendmsg+0x723/0xbe0 [ 7106.666741][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7106.666741][ T74] ___sys_sendmsg+0xee/0x170 [ 7106.666741][ T74] __sys_sendmsg+0xcd/0x170 [ 7106.666741][ T74] do_syscall_64+0xc6/0x1e0 [ 7106.666741][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7106.666741][ T74] [ 7106.668654][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 7106.668916][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7106.668916][ T74] netdev_get_by_index+0x5e/0x80 [ 7106.668916][ T74] fib6_nh_init+0x3d8/0x1580 [ 7106.668916][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7106.668916][ T74] ip6_route_add+0x1c/0x140 [ 7106.668916][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7106.668916][ T74] inet6_addr_add+0x4f8/0xa40 [ 7106.668916][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7106.668916][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7106.668916][ T74] netlink_rcv_skb+0x130/0x360 [ 7106.668916][ T74] netlink_unicast+0x449/0x710 [ 7106.668916][ T74] netlink_sendmsg+0x723/0xbe0 [ 7106.668916][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7106.668916][ T74] ___sys_sendmsg+0xee/0x170 [ 7106.668916][ T74] __sys_sendmsg+0xcd/0x170 [ 7106.668916][ T74] do_syscall_64+0xc6/0x1e0 [ 7106.668916][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7106.668916][ T74] [ 7106.671152][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7106.671152][ T74] netdev_get_by_index+0x5e/0x80 [ 7106.671152][ T74] fib6_nh_init+0x3d8/0x1580 [ 7106.671152][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7106.671152][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7106.671152][ T74] ipv6_add_addr+0x411/0x2000 [ 7106.671152][ T74] inet6_addr_add+0x30e/0xa40 [ 7106.671152][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7106.671152][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7106.671152][ T74] netlink_rcv_skb+0x130/0x360 [ 7106.671152][ T74] netlink_unicast+0x449/0x710 [ 7106.671152][ T74] netlink_sendmsg+0x723/0xbe0 [ 7106.671152][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7106.671152][ T74] ___sys_sendmsg+0xee/0x170 [ 7106.671152][ T74] __sys_sendmsg+0xcd/0x170 [ 7106.671152][ T74] do_syscall_64+0xc6/0x1e0 [ 7106.671152][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7106.671152][ T74] [ 7106.673396][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7106.673396][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7106.673396][ T74] ipv6_find_idev+0x102/0x170 [ 7106.673396][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7106.673396][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7106.673396][ T74] netlink_rcv_skb+0x130/0x360 [ 7106.673396][ T74] netlink_unicast+0x449/0x710 [ 7106.673396][ T74] netlink_sendmsg+0x723/0xbe0 [ 7106.673396][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7106.673396][ T74] ___sys_sendmsg+0xee/0x170 [ 7106.673396][ T74] __sys_sendmsg+0xcd/0x170 [ 7106.673396][ T74] do_syscall_64+0xc6/0x1e0 [ 7106.673396][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7106.673396][ T74] [ 7106.675576][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7106.675576][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7106.675576][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7106.675576][ T74] ipv6_find_idev+0x102/0x170 [ 7106.675576][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7106.675576][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7106.675576][ T74] netlink_rcv_skb+0x130/0x360 [ 7106.675576][ T74] netlink_unicast+0x449/0x710 [ 7106.675576][ T74] netlink_sendmsg+0x723/0xbe0 [ 7106.675576][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7106.675576][ T74] ___sys_sendmsg+0xee/0x170 [ 7106.675576][ T74] __sys_sendmsg+0xcd/0x170 [ 7106.675576][ T74] do_syscall_64+0xc6/0x1e0 [ 7106.675576][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7106.675576][ T74] [ 7116.919959][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 7116.920404][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7116.920404][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 7116.920404][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 7116.920404][ T74] fib6_nh_init+0xa22/0x1580 [ 7116.920404][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7116.920404][ T74] ip6_route_add+0x1c/0x140 [ 7116.920404][ T74] inet6_rtm_newroute+0x104/0x110 [ 7116.920404][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7116.920404][ T74] netlink_rcv_skb+0x130/0x360 [ 7116.920404][ T74] netlink_unicast+0x449/0x710 [ 7116.920404][ T74] netlink_sendmsg+0x723/0xbe0 [ 7116.920404][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7116.920404][ T74] ___sys_sendmsg+0xee/0x170 [ 7116.920404][ T74] __sys_sendmsg+0xcd/0x170 [ 7116.920404][ T74] do_syscall_64+0xc6/0x1e0 [ 7116.920404][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7116.920404][ T74] [ 7116.922322][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7116.922322][ T74] netdev_get_by_index+0x5e/0x80 [ 7116.922322][ T74] fib6_nh_init+0x3d8/0x1580 [ 7116.922322][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7116.922322][ T74] addrconf_f6i_alloc+0x265/0x560 [ 7116.922322][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7116.922322][ T74] addrconf_join_anycast+0x1c0/0x220 [ 7116.922322][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7116.922322][ T74] addrconf_dad_completed+0x12b/0xe20 [ 7116.922322][ T74] addrconf_dad_begin+0x310/0x670 [ 7116.922322][ T74] addrconf_dad_work+0x10b/0xab0 [ 7116.922322][ T74] process_one_work+0x84d/0x18a0 [ 7116.922322][ T74] worker_thread+0x587/0xd30 [ 7116.922322][ T74] kthread+0x28a/0x350 [ 7116.922322][ T74] ret_from_fork+0x31/0x70 [ 7116.922322][ T74] ret_from_fork_asm+0x1a/0x30 [ 7116.922322][ T74] [ 7116.924247][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7116.924247][ T74] netdev_get_by_index+0x5e/0x80 [ 7116.924247][ T74] fib6_nh_init+0x3d8/0x1580 [ 7116.924247][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7116.924247][ T74] ip6_route_add+0x1c/0x140 [ 7116.924247][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7116.924247][ T74] inet6_addr_add+0x4f8/0xa40 [ 7116.924247][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7116.924247][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7116.924247][ T74] netlink_rcv_skb+0x130/0x360 [ 7116.924247][ T74] netlink_unicast+0x449/0x710 [ 7116.924247][ T74] netlink_sendmsg+0x723/0xbe0 [ 7116.924247][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7116.924247][ T74] ___sys_sendmsg+0xee/0x170 [ 7116.924247][ T74] __sys_sendmsg+0xcd/0x170 [ 7116.924247][ T74] do_syscall_64+0xc6/0x1e0 [ 7116.924247][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7116.924247][ T74] [ 7116.926309][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7116.926309][ T74] netdev_get_by_index+0x5e/0x80 [ 7116.926309][ T74] fib6_nh_init+0x3d8/0x1580 [ 7116.926309][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7116.926309][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7116.926309][ T74] ipv6_add_addr+0x411/0x2000 [ 7116.926309][ T74] inet6_addr_add+0x30e/0xa40 [ 7116.926309][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7116.926309][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7116.926309][ T74] netlink_rcv_skb+0x130/0x360 [ 7116.926309][ T74] netlink_unicast+0x449/0x710 [ 7116.926309][ T74] netlink_sendmsg+0x723/0xbe0 [ 7116.926309][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7116.926309][ T74] ___sys_sendmsg+0xee/0x170 [ 7116.926309][ T74] __sys_sendmsg+0xcd/0x170 [ 7116.926309][ T74] do_syscall_64+0xc6/0x1e0 [ 7116.926309][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7116.926309][ T74] [ 7116.928323][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7116.928323][ T74] netdev_get_by_index+0x5e/0x80 [ 7116.928323][ T74] fib6_nh_init+0x3d8/0x1580 [ 7116.928323][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7116.928323][ T74] ip6_route_add+0x1c/0x140 [ 7116.928323][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 7116.928323][ T74] addrconf_add_dev+0xe2/0x170 [ 7116.928323][ T74] inet6_addr_add+0x12f/0xa40 [ 7116.928323][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7116.928323][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7116.928323][ T74] netlink_rcv_skb+0x130/0x360 [ 7116.928323][ T74] netlink_unicast+0x449/0x710 [ 7116.928323][ T74] netlink_sendmsg+0x723/0xbe0 [ 7116.928323][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7116.928323][ T74] ___sys_sendmsg+0xee/0x170 [ 7116.928323][ T74] __sys_sendmsg+0xcd/0x170 [ 7116.928323][ T74] do_syscall_64+0xc6/0x1e0 [ 7116.928323][ T74] [ 7116.930301][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7116.930301][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7116.930301][ T74] ipv6_find_idev+0x102/0x170 [ 7116.930301][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7116.930301][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7116.930301][ T74] netlink_rcv_skb+0x130/0x360 [ 7116.930301][ T74] netlink_unicast+0x449/0x710 [ 7116.930301][ T74] netlink_sendmsg+0x723/0xbe0 [ 7116.930301][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7116.930301][ T74] ___sys_sendmsg+0xee/0x170 [ 7116.930301][ T74] __sys_sendmsg+0xcd/0x170 [ 7116.930301][ T74] do_syscall_64+0xc6/0x1e0 [ 7116.930301][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7116.930301][ T74] [ 7116.931860][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7116.931860][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7116.931860][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7116.931860][ T74] ipv6_find_idev+0x102/0x170 [ 7116.931860][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7116.931860][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7116.931860][ T74] netlink_rcv_skb+0x130/0x360 [ 7116.931860][ T74] netlink_unicast+0x449/0x710 [ 7116.931860][ T74] netlink_sendmsg+0x723/0xbe0 [ 7116.931860][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7116.931860][ T74] ___sys_sendmsg+0xee/0x170 [ 7116.931860][ T74] __sys_sendmsg+0xcd/0x170 [ 7116.931860][ T74] do_syscall_64+0xc6/0x1e0 [ 7116.931860][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7116.931860][ T74] [ 7116.933575][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 7116.933855][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 7116.933855][ T74] dst_init+0x84/0x4a0 [ 7116.933855][ T74] dst_alloc+0x97/0x150 [ 7116.933855][ T74] ip6_dst_alloc+0x23/0x90 [ 7116.933855][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7116.933855][ T74] ip6_pol_route+0x56f/0x840 [ 7116.933855][ T74] fib6_rule_lookup+0x456/0x630 [ 7116.933855][ T74] ip6_route_input+0x59c/0xa50 [ 7116.933855][ T74] ipv6_rcv+0x397/0x810 [ 7116.933855][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 7116.933855][ T74] process_backlog+0x101/0x620 [ 7116.933855][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 7116.933855][ T74] net_rx_action+0x495/0xbe0 [ 7116.933855][ T74] __do_softirq+0x1b5/0x7f6 [ 7116.933855][ T74] [ 7116.935503][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7116.935503][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 7116.935503][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 7116.935503][ T74] fib6_nh_init+0xa22/0x1580 [ 7116.935503][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7116.935503][ T74] ip6_route_add+0x1c/0x140 [ 7116.935503][ T74] inet6_rtm_newroute+0x104/0x110 [ 7116.935503][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7116.935503][ T74] netlink_rcv_skb+0x130/0x360 [ 7116.935503][ T74] netlink_unicast+0x449/0x710 [ 7116.935503][ T74] netlink_sendmsg+0x723/0xbe0 [ 7116.935503][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7116.935503][ T74] ___sys_sendmsg+0xee/0x170 [ 7116.935503][ T74] __sys_sendmsg+0xcd/0x170 [ 7116.935503][ T74] do_syscall_64+0xc6/0x1e0 [ 7116.935503][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7116.935503][ T74] [ 7116.937388][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7116.937388][ T74] netdev_get_by_index+0x5e/0x80 [ 7116.937388][ T74] fib6_nh_init+0x3d8/0x1580 [ 7116.937388][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7116.937388][ T74] addrconf_f6i_alloc+0x265/0x560 [ 7116.937388][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7116.937388][ T74] addrconf_join_anycast+0x1c0/0x220 [ 7116.937388][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7116.937388][ T74] addrconf_dad_completed+0x12b/0xe20 [ 7116.937388][ T74] addrconf_dad_begin+0x310/0x670 [ 7116.937388][ T74] addrconf_dad_work+0x10b/0xab0 [ 7116.937388][ T74] process_one_work+0x84d/0x18a0 [ 7116.937388][ T74] worker_thread+0x587/0xd30 [ 7116.937388][ T74] kthread+0x28a/0x350 [ 7116.937388][ T74] ret_from_fork+0x31/0x70 [ 7116.937388][ T74] ret_from_fork_asm+0x1a/0x30 [ 7116.937388][ T74] [ 7116.939309][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7116.939309][ T74] netdev_get_by_index+0x5e/0x80 [ 7116.939309][ T74] fib6_nh_init+0x3d8/0x1580 [ 7116.939309][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7116.939309][ T74] ip6_route_add+0x1c/0x140 [ 7116.939309][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7116.939309][ T74] inet6_addr_add+0x4f8/0xa40 [ 7116.939309][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7116.939309][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7116.939309][ T74] netlink_rcv_skb+0x130/0x360 [ 7116.939309][ T74] netlink_unicast+0x449/0x710 [ 7116.939309][ T74] netlink_sendmsg+0x723/0xbe0 [ 7116.939309][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7116.939309][ T74] ___sys_sendmsg+0xee/0x170 [ 7116.939309][ T74] __sys_sendmsg+0xcd/0x170 [ 7116.939309][ T74] do_syscall_64+0xc6/0x1e0 [ 7116.939309][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7116.939309][ T74] [ 7116.941320][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7116.941320][ T74] netdev_get_by_index+0x5e/0x80 [ 7116.941320][ T74] fib6_nh_init+0x3d8/0x1580 [ 7116.941320][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7116.941320][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7116.941320][ T74] ipv6_add_addr+0x411/0x2000 [ 7116.941320][ T74] inet6_addr_add+0x30e/0xa40 [ 7116.941320][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7116.941320][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7116.941320][ T74] netlink_rcv_skb+0x130/0x360 [ 7116.941320][ T74] netlink_unicast+0x449/0x710 [ 7116.941320][ T74] netlink_sendmsg+0x723/0xbe0 [ 7116.941320][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7116.941320][ T74] ___sys_sendmsg+0xee/0x170 [ 7116.941320][ T74] __sys_sendmsg+0xcd/0x170 [ 7116.941320][ T74] do_syscall_64+0xc6/0x1e0 [ 7116.941320][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7116.941320][ T74] [ 7116.943334][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7116.943334][ T74] netdev_get_by_index+0x5e/0x80 [ 7116.943334][ T74] fib6_nh_init+0x3d8/0x1580 [ 7116.943334][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7116.943334][ T74] ip6_route_add+0x1c/0x140 [ 7116.943334][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 7116.943334][ T74] addrconf_add_dev+0xe2/0x170 [ 7116.943334][ T74] inet6_addr_add+0x12f/0xa40 [ 7116.943334][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7116.943334][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7116.943334][ T74] netlink_rcv_skb+0x130/0x360 [ 7116.943334][ T74] netlink_unicast+0x449/0x710 [ 7116.943334][ T74] netlink_sendmsg+0x723/0xbe0 [ 7116.943334][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7116.943334][ T74] ___sys_sendmsg+0xee/0x170 [ 7116.943334][ T74] __sys_sendmsg+0xcd/0x170 [ 7116.943334][ T74] do_syscall_64+0xc6/0x1e0 [ 7116.943334][ T74] [ 7116.945310][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7116.945310][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7116.945310][ T74] ipv6_find_idev+0x102/0x170 [ 7116.945310][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7116.945310][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7116.945310][ T74] netlink_rcv_skb+0x130/0x360 [ 7116.945310][ T74] netlink_unicast+0x449/0x710 [ 7116.945310][ T74] netlink_sendmsg+0x723/0xbe0 [ 7116.945310][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7116.945310][ T74] ___sys_sendmsg+0xee/0x170 [ 7116.945310][ T74] __sys_sendmsg+0xcd/0x170 [ 7116.945310][ T74] do_syscall_64+0xc6/0x1e0 [ 7116.945310][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7116.945310][ T74] [ 7116.947046][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7116.947046][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7116.947046][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7116.947046][ T74] ipv6_find_idev+0x102/0x170 [ 7116.947046][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7116.947046][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7116.947046][ T74] netlink_rcv_skb+0x130/0x360 [ 7116.947046][ T74] netlink_unicast+0x449/0x710 [ 7116.947046][ T74] netlink_sendmsg+0x723/0xbe0 [ 7116.947046][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7116.947046][ T74] ___sys_sendmsg+0xee/0x170 [ 7116.947046][ T74] __sys_sendmsg+0xcd/0x170 [ 7116.947046][ T74] do_syscall_64+0xc6/0x1e0 [ 7116.947046][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7116.947046][ T74] [ 7116.949003][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 7116.949300][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7116.949300][ T74] netdev_get_by_index+0x5e/0x80 [ 7116.949300][ T74] fib6_nh_init+0x3d8/0x1580 [ 7116.949300][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7116.949300][ T74] ip6_route_add+0x1c/0x140 [ 7116.949300][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7116.949300][ T74] inet6_addr_add+0x4f8/0xa40 [ 7116.949300][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7116.949300][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7116.949300][ T74] netlink_rcv_skb+0x130/0x360 [ 7116.949300][ T74] netlink_unicast+0x449/0x710 [ 7116.949300][ T74] netlink_sendmsg+0x723/0xbe0 [ 7116.949300][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7116.949300][ T74] ___sys_sendmsg+0xee/0x170 [ 7116.949300][ T74] __sys_sendmsg+0xcd/0x170 [ 7116.949300][ T74] do_syscall_64+0xc6/0x1e0 [ 7116.949300][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7116.949300][ T74] [ 7116.951500][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7116.951500][ T74] netdev_get_by_index+0x5e/0x80 [ 7116.951500][ T74] fib6_nh_init+0x3d8/0x1580 [ 7116.951500][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7116.951500][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7116.951500][ T74] ipv6_add_addr+0x411/0x2000 [ 7116.951500][ T74] inet6_addr_add+0x30e/0xa40 [ 7116.951500][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7116.951500][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7116.951500][ T74] netlink_rcv_skb+0x130/0x360 [ 7116.951500][ T74] netlink_unicast+0x449/0x710 [ 7116.951500][ T74] netlink_sendmsg+0x723/0xbe0 [ 7116.951500][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7116.951500][ T74] ___sys_sendmsg+0xee/0x170 [ 7116.951500][ T74] __sys_sendmsg+0xcd/0x170 [ 7116.951500][ T74] do_syscall_64+0xc6/0x1e0 [ 7116.951500][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7116.951500][ T74] [ 7116.953743][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7116.953743][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7116.953743][ T74] ipv6_find_idev+0x102/0x170 [ 7116.953743][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7116.953743][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7116.953743][ T74] netlink_rcv_skb+0x130/0x360 [ 7116.953743][ T74] netlink_unicast+0x449/0x710 [ 7116.953743][ T74] netlink_sendmsg+0x723/0xbe0 [ 7116.953743][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7116.953743][ T74] ___sys_sendmsg+0xee/0x170 [ 7116.953743][ T74] __sys_sendmsg+0xcd/0x170 [ 7116.953743][ T74] do_syscall_64+0xc6/0x1e0 [ 7116.953743][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7116.953743][ T74] [ 7116.956019][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7116.956019][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7116.956019][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7116.956019][ T74] ipv6_find_idev+0x102/0x170 [ 7116.956019][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7116.956019][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7116.956019][ T74] netlink_rcv_skb+0x130/0x360 [ 7116.956019][ T74] netlink_unicast+0x449/0x710 [ 7116.956019][ T74] netlink_sendmsg+0x723/0xbe0 [ 7116.956019][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7116.956019][ T74] ___sys_sendmsg+0xee/0x170 [ 7116.956019][ T74] __sys_sendmsg+0xcd/0x170 [ 7116.956019][ T74] do_syscall_64+0xc6/0x1e0 [ 7116.956019][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7116.956019][ T74] [ 7127.199897][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 7127.200337][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7127.200337][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 7127.200337][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 7127.200337][ T74] fib6_nh_init+0xa22/0x1580 [ 7127.200337][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7127.200337][ T74] ip6_route_add+0x1c/0x140 [ 7127.200337][ T74] inet6_rtm_newroute+0x104/0x110 [ 7127.200337][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7127.200337][ T74] netlink_rcv_skb+0x130/0x360 [ 7127.200337][ T74] netlink_unicast+0x449/0x710 [ 7127.200337][ T74] netlink_sendmsg+0x723/0xbe0 [ 7127.200337][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7127.200337][ T74] ___sys_sendmsg+0xee/0x170 [ 7127.200337][ T74] __sys_sendmsg+0xcd/0x170 [ 7127.200337][ T74] do_syscall_64+0xc6/0x1e0 [ 7127.200337][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7127.200337][ T74] [ 7127.202260][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7127.202260][ T74] netdev_get_by_index+0x5e/0x80 [ 7127.202260][ T74] fib6_nh_init+0x3d8/0x1580 [ 7127.202260][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7127.202260][ T74] addrconf_f6i_alloc+0x265/0x560 [ 7127.202260][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7127.202260][ T74] addrconf_join_anycast+0x1c0/0x220 [ 7127.202260][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7127.202260][ T74] addrconf_dad_completed+0x12b/0xe20 [ 7127.202260][ T74] addrconf_dad_begin+0x310/0x670 [ 7127.202260][ T74] addrconf_dad_work+0x10b/0xab0 [ 7127.202260][ T74] process_one_work+0x84d/0x18a0 [ 7127.202260][ T74] worker_thread+0x587/0xd30 [ 7127.202260][ T74] kthread+0x28a/0x350 [ 7127.202260][ T74] ret_from_fork+0x31/0x70 [ 7127.202260][ T74] ret_from_fork_asm+0x1a/0x30 [ 7127.202260][ T74] [ 7127.204180][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7127.204180][ T74] netdev_get_by_index+0x5e/0x80 [ 7127.204180][ T74] fib6_nh_init+0x3d8/0x1580 [ 7127.204180][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7127.204180][ T74] ip6_route_add+0x1c/0x140 [ 7127.204180][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7127.204180][ T74] inet6_addr_add+0x4f8/0xa40 [ 7127.204180][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7127.204180][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7127.204180][ T74] netlink_rcv_skb+0x130/0x360 [ 7127.204180][ T74] netlink_unicast+0x449/0x710 [ 7127.204180][ T74] netlink_sendmsg+0x723/0xbe0 [ 7127.204180][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7127.204180][ T74] ___sys_sendmsg+0xee/0x170 [ 7127.204180][ T74] __sys_sendmsg+0xcd/0x170 [ 7127.204180][ T74] do_syscall_64+0xc6/0x1e0 [ 7127.204180][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7127.204180][ T74] [ 7127.206202][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7127.206202][ T74] netdev_get_by_index+0x5e/0x80 [ 7127.206202][ T74] fib6_nh_init+0x3d8/0x1580 [ 7127.206202][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7127.206202][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7127.206202][ T74] ipv6_add_addr+0x411/0x2000 [ 7127.206202][ T74] inet6_addr_add+0x30e/0xa40 [ 7127.206202][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7127.206202][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7127.206202][ T74] netlink_rcv_skb+0x130/0x360 [ 7127.206202][ T74] netlink_unicast+0x449/0x710 [ 7127.206202][ T74] netlink_sendmsg+0x723/0xbe0 [ 7127.206202][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7127.206202][ T74] ___sys_sendmsg+0xee/0x170 [ 7127.206202][ T74] __sys_sendmsg+0xcd/0x170 [ 7127.206202][ T74] do_syscall_64+0xc6/0x1e0 [ 7127.206202][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7127.206202][ T74] [ 7127.208216][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7127.208216][ T74] netdev_get_by_index+0x5e/0x80 [ 7127.208216][ T74] fib6_nh_init+0x3d8/0x1580 [ 7127.208216][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7127.208216][ T74] ip6_route_add+0x1c/0x140 [ 7127.208216][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 7127.208216][ T74] addrconf_add_dev+0xe2/0x170 [ 7127.208216][ T74] inet6_addr_add+0x12f/0xa40 [ 7127.208216][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7127.208216][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7127.208216][ T74] netlink_rcv_skb+0x130/0x360 [ 7127.208216][ T74] netlink_unicast+0x449/0x710 [ 7127.208216][ T74] netlink_sendmsg+0x723/0xbe0 [ 7127.208216][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7127.208216][ T74] ___sys_sendmsg+0xee/0x170 [ 7127.208216][ T74] __sys_sendmsg+0xcd/0x170 [ 7127.208216][ T74] do_syscall_64+0xc6/0x1e0 [ 7127.208216][ T74] [ 7127.210186][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7127.210186][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7127.210186][ T74] ipv6_find_idev+0x102/0x170 [ 7127.210186][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7127.210186][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7127.210186][ T74] netlink_rcv_skb+0x130/0x360 [ 7127.210186][ T74] netlink_unicast+0x449/0x710 [ 7127.210186][ T74] netlink_sendmsg+0x723/0xbe0 [ 7127.210186][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7127.210186][ T74] ___sys_sendmsg+0xee/0x170 [ 7127.210186][ T74] __sys_sendmsg+0xcd/0x170 [ 7127.210186][ T74] do_syscall_64+0xc6/0x1e0 [ 7127.210186][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7127.210186][ T74] [ 7127.211726][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7127.211726][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7127.211726][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7127.211726][ T74] ipv6_find_idev+0x102/0x170 [ 7127.211726][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7127.211726][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7127.211726][ T74] netlink_rcv_skb+0x130/0x360 [ 7127.211726][ T74] netlink_unicast+0x449/0x710 [ 7127.211726][ T74] netlink_sendmsg+0x723/0xbe0 [ 7127.211726][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7127.211726][ T74] ___sys_sendmsg+0xee/0x170 [ 7127.211726][ T74] __sys_sendmsg+0xcd/0x170 [ 7127.211726][ T74] do_syscall_64+0xc6/0x1e0 [ 7127.211726][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7127.211726][ T74] [ 7127.213433][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 7127.213710][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 7127.213710][ T74] dst_init+0x84/0x4a0 [ 7127.213710][ T74] dst_alloc+0x97/0x150 [ 7127.213710][ T74] ip6_dst_alloc+0x23/0x90 [ 7127.213710][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7127.213710][ T74] ip6_pol_route+0x56f/0x840 [ 7127.213710][ T74] fib6_rule_lookup+0x456/0x630 [ 7127.213710][ T74] ip6_route_input+0x59c/0xa50 [ 7127.213710][ T74] ipv6_rcv+0x397/0x810 [ 7127.213710][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 7127.213710][ T74] process_backlog+0x101/0x620 [ 7127.213710][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 7127.213710][ T74] net_rx_action+0x495/0xbe0 [ 7127.213710][ T74] __do_softirq+0x1b5/0x7f6 [ 7127.213710][ T74] [ 7127.215371][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7127.215371][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 7127.215371][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 7127.215371][ T74] fib6_nh_init+0xa22/0x1580 [ 7127.215371][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7127.215371][ T74] ip6_route_add+0x1c/0x140 [ 7127.215371][ T74] inet6_rtm_newroute+0x104/0x110 [ 7127.215371][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7127.215371][ T74] netlink_rcv_skb+0x130/0x360 [ 7127.215371][ T74] netlink_unicast+0x449/0x710 [ 7127.215371][ T74] netlink_sendmsg+0x723/0xbe0 [ 7127.215371][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7127.215371][ T74] ___sys_sendmsg+0xee/0x170 [ 7127.215371][ T74] __sys_sendmsg+0xcd/0x170 [ 7127.215371][ T74] do_syscall_64+0xc6/0x1e0 [ 7127.215371][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7127.215371][ T74] [ 7127.217256][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7127.217256][ T74] netdev_get_by_index+0x5e/0x80 [ 7127.217256][ T74] fib6_nh_init+0x3d8/0x1580 [ 7127.217256][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7127.217256][ T74] addrconf_f6i_alloc+0x265/0x560 [ 7127.217256][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7127.217256][ T74] addrconf_join_anycast+0x1c0/0x220 [ 7127.217256][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7127.217256][ T74] addrconf_dad_completed+0x12b/0xe20 [ 7127.217256][ T74] addrconf_dad_begin+0x310/0x670 [ 7127.217256][ T74] addrconf_dad_work+0x10b/0xab0 [ 7127.217256][ T74] process_one_work+0x84d/0x18a0 [ 7127.217256][ T74] worker_thread+0x587/0xd30 [ 7127.217256][ T74] kthread+0x28a/0x350 [ 7127.217256][ T74] ret_from_fork+0x31/0x70 [ 7127.217256][ T74] ret_from_fork_asm+0x1a/0x30 [ 7127.217256][ T74] [ 7127.219182][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7127.219182][ T74] netdev_get_by_index+0x5e/0x80 [ 7127.219182][ T74] fib6_nh_init+0x3d8/0x1580 [ 7127.219182][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7127.219182][ T74] ip6_route_add+0x1c/0x140 [ 7127.219182][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7127.219182][ T74] inet6_addr_add+0x4f8/0xa40 [ 7127.219182][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7127.219182][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7127.219182][ T74] netlink_rcv_skb+0x130/0x360 [ 7127.219182][ T74] netlink_unicast+0x449/0x710 [ 7127.219182][ T74] netlink_sendmsg+0x723/0xbe0 [ 7127.219182][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7127.219182][ T74] ___sys_sendmsg+0xee/0x170 [ 7127.219182][ T74] __sys_sendmsg+0xcd/0x170 [ 7127.219182][ T74] do_syscall_64+0xc6/0x1e0 [ 7127.219182][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7127.219182][ T74] [ 7127.221184][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7127.221184][ T74] netdev_get_by_index+0x5e/0x80 [ 7127.221184][ T74] fib6_nh_init+0x3d8/0x1580 [ 7127.221184][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7127.221184][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7127.221184][ T74] ipv6_add_addr+0x411/0x2000 [ 7127.221184][ T74] inet6_addr_add+0x30e/0xa40 [ 7127.221184][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7127.221184][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7127.221184][ T74] netlink_rcv_skb+0x130/0x360 [ 7127.221184][ T74] netlink_unicast+0x449/0x710 [ 7127.221184][ T74] netlink_sendmsg+0x723/0xbe0 [ 7127.221184][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7127.221184][ T74] ___sys_sendmsg+0xee/0x170 [ 7127.221184][ T74] __sys_sendmsg+0xcd/0x170 [ 7127.221184][ T74] do_syscall_64+0xc6/0x1e0 [ 7127.221184][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7127.221184][ T74] [ 7127.223204][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7127.223204][ T74] netdev_get_by_index+0x5e/0x80 [ 7127.223204][ T74] fib6_nh_init+0x3d8/0x1580 [ 7127.223204][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7127.223204][ T74] ip6_route_add+0x1c/0x140 [ 7127.223204][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 7127.223204][ T74] addrconf_add_dev+0xe2/0x170 [ 7127.223204][ T74] inet6_addr_add+0x12f/0xa40 [ 7127.223204][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7127.223204][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7127.223204][ T74] netlink_rcv_skb+0x130/0x360 [ 7127.223204][ T74] netlink_unicast+0x449/0x710 [ 7127.223204][ T74] netlink_sendmsg+0x723/0xbe0 [ 7127.223204][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7127.223204][ T74] ___sys_sendmsg+0xee/0x170 [ 7127.223204][ T74] __sys_sendmsg+0xcd/0x170 [ 7127.223204][ T74] do_syscall_64+0xc6/0x1e0 [ 7127.223204][ T74] [ 7127.225180][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7127.225180][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7127.225180][ T74] ipv6_find_idev+0x102/0x170 [ 7127.225180][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7127.225180][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7127.225180][ T74] netlink_rcv_skb+0x130/0x360 [ 7127.225180][ T74] netlink_unicast+0x449/0x710 [ 7127.225180][ T74] netlink_sendmsg+0x723/0xbe0 [ 7127.225180][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7127.225180][ T74] ___sys_sendmsg+0xee/0x170 [ 7127.225180][ T74] __sys_sendmsg+0xcd/0x170 [ 7127.225180][ T74] do_syscall_64+0xc6/0x1e0 [ 7127.225180][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7127.225180][ T74] [ 7127.226916][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7127.226916][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7127.226916][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7127.226916][ T74] ipv6_find_idev+0x102/0x170 [ 7127.226916][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7127.226916][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7127.226916][ T74] netlink_rcv_skb+0x130/0x360 [ 7127.226916][ T74] netlink_unicast+0x449/0x710 [ 7127.226916][ T74] netlink_sendmsg+0x723/0xbe0 [ 7127.226916][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7127.226916][ T74] ___sys_sendmsg+0xee/0x170 [ 7127.226916][ T74] __sys_sendmsg+0xcd/0x170 [ 7127.226916][ T74] do_syscall_64+0xc6/0x1e0 [ 7127.226916][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7127.226916][ T74] [ 7127.228897][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 7127.229211][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7127.229211][ T74] netdev_get_by_index+0x5e/0x80 [ 7127.229211][ T74] fib6_nh_init+0x3d8/0x1580 [ 7127.229211][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7127.229211][ T74] ip6_route_add+0x1c/0x140 [ 7127.229211][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7127.229211][ T74] inet6_addr_add+0x4f8/0xa40 [ 7127.229211][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7127.229211][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7127.229211][ T74] netlink_rcv_skb+0x130/0x360 [ 7127.229211][ T74] netlink_unicast+0x449/0x710 [ 7127.229211][ T74] netlink_sendmsg+0x723/0xbe0 [ 7127.229211][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7127.229211][ T74] ___sys_sendmsg+0xee/0x170 [ 7127.229211][ T74] __sys_sendmsg+0xcd/0x170 [ 7127.229211][ T74] do_syscall_64+0xc6/0x1e0 [ 7127.229211][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7127.229211][ T74] [ 7127.231412][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7127.231412][ T74] netdev_get_by_index+0x5e/0x80 [ 7127.231412][ T74] fib6_nh_init+0x3d8/0x1580 [ 7127.231412][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7127.231412][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7127.231412][ T74] ipv6_add_addr+0x411/0x2000 [ 7127.231412][ T74] inet6_addr_add+0x30e/0xa40 [ 7127.231412][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7127.231412][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7127.231412][ T74] netlink_rcv_skb+0x130/0x360 [ 7127.231412][ T74] netlink_unicast+0x449/0x710 [ 7127.231412][ T74] netlink_sendmsg+0x723/0xbe0 [ 7127.231412][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7127.231412][ T74] ___sys_sendmsg+0xee/0x170 [ 7127.231412][ T74] __sys_sendmsg+0xcd/0x170 [ 7127.231412][ T74] do_syscall_64+0xc6/0x1e0 [ 7127.231412][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7127.231412][ T74] [ 7127.233657][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7127.233657][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7127.233657][ T74] ipv6_find_idev+0x102/0x170 [ 7127.233657][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7127.233657][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7127.233657][ T74] netlink_rcv_skb+0x130/0x360 [ 7127.233657][ T74] netlink_unicast+0x449/0x710 [ 7127.233657][ T74] netlink_sendmsg+0x723/0xbe0 [ 7127.233657][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7127.233657][ T74] ___sys_sendmsg+0xee/0x170 [ 7127.233657][ T74] __sys_sendmsg+0xcd/0x170 [ 7127.233657][ T74] do_syscall_64+0xc6/0x1e0 [ 7127.233657][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7127.233657][ T74] [ 7127.235394][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7127.235394][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7127.235394][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7127.235394][ T74] ipv6_find_idev+0x102/0x170 [ 7127.235394][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7127.235394][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7127.235394][ T74] netlink_rcv_skb+0x130/0x360 [ 7127.235394][ T74] netlink_unicast+0x449/0x710 [ 7127.235394][ T74] netlink_sendmsg+0x723/0xbe0 [ 7127.235394][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7127.235394][ T74] ___sys_sendmsg+0xee/0x170 [ 7127.235394][ T74] __sys_sendmsg+0xcd/0x170 [ 7127.235394][ T74] do_syscall_64+0xc6/0x1e0 [ 7127.235394][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7127.235394][ T74] [ 7137.479963][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 7137.480417][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7137.480417][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 7137.480417][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 7137.480417][ T74] fib6_nh_init+0xa22/0x1580 [ 7137.480417][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7137.480417][ T74] ip6_route_add+0x1c/0x140 [ 7137.480417][ T74] inet6_rtm_newroute+0x104/0x110 [ 7137.480417][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7137.480417][ T74] netlink_rcv_skb+0x130/0x360 [ 7137.480417][ T74] netlink_unicast+0x449/0x710 [ 7137.480417][ T74] netlink_sendmsg+0x723/0xbe0 [ 7137.480417][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7137.480417][ T74] ___sys_sendmsg+0xee/0x170 [ 7137.480417][ T74] __sys_sendmsg+0xcd/0x170 [ 7137.480417][ T74] do_syscall_64+0xc6/0x1e0 [ 7137.480417][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7137.480417][ T74] [ 7137.482324][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7137.482324][ T74] netdev_get_by_index+0x5e/0x80 [ 7137.482324][ T74] fib6_nh_init+0x3d8/0x1580 [ 7137.482324][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7137.482324][ T74] addrconf_f6i_alloc+0x265/0x560 [ 7137.482324][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7137.482324][ T74] addrconf_join_anycast+0x1c0/0x220 [ 7137.482324][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7137.482324][ T74] addrconf_dad_completed+0x12b/0xe20 [ 7137.482324][ T74] addrconf_dad_begin+0x310/0x670 [ 7137.482324][ T74] addrconf_dad_work+0x10b/0xab0 [ 7137.482324][ T74] process_one_work+0x84d/0x18a0 [ 7137.482324][ T74] worker_thread+0x587/0xd30 [ 7137.482324][ T74] kthread+0x28a/0x350 [ 7137.482324][ T74] ret_from_fork+0x31/0x70 [ 7137.482324][ T74] ret_from_fork_asm+0x1a/0x30 [ 7137.482324][ T74] [ 7137.484246][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7137.484246][ T74] netdev_get_by_index+0x5e/0x80 [ 7137.484246][ T74] fib6_nh_init+0x3d8/0x1580 [ 7137.484246][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7137.484246][ T74] ip6_route_add+0x1c/0x140 [ 7137.484246][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7137.484246][ T74] inet6_addr_add+0x4f8/0xa40 [ 7137.484246][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7137.484246][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7137.484246][ T74] netlink_rcv_skb+0x130/0x360 [ 7137.484246][ T74] netlink_unicast+0x449/0x710 [ 7137.484246][ T74] netlink_sendmsg+0x723/0xbe0 [ 7137.484246][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7137.484246][ T74] ___sys_sendmsg+0xee/0x170 [ 7137.484246][ T74] __sys_sendmsg+0xcd/0x170 [ 7137.484246][ T74] do_syscall_64+0xc6/0x1e0 [ 7137.484246][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7137.484246][ T74] [ 7137.486273][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7137.486273][ T74] netdev_get_by_index+0x5e/0x80 [ 7137.486273][ T74] fib6_nh_init+0x3d8/0x1580 [ 7137.486273][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7137.486273][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7137.486273][ T74] ipv6_add_addr+0x411/0x2000 [ 7137.486273][ T74] inet6_addr_add+0x30e/0xa40 [ 7137.486273][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7137.486273][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7137.486273][ T74] netlink_rcv_skb+0x130/0x360 [ 7137.486273][ T74] netlink_unicast+0x449/0x710 [ 7137.486273][ T74] netlink_sendmsg+0x723/0xbe0 [ 7137.486273][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7137.486273][ T74] ___sys_sendmsg+0xee/0x170 [ 7137.486273][ T74] __sys_sendmsg+0xcd/0x170 [ 7137.486273][ T74] do_syscall_64+0xc6/0x1e0 [ 7137.486273][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7137.486273][ T74] [ 7137.488291][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7137.488291][ T74] netdev_get_by_index+0x5e/0x80 [ 7137.488291][ T74] fib6_nh_init+0x3d8/0x1580 [ 7137.488291][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7137.488291][ T74] ip6_route_add+0x1c/0x140 [ 7137.488291][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 7137.488291][ T74] addrconf_add_dev+0xe2/0x170 [ 7137.488291][ T74] inet6_addr_add+0x12f/0xa40 [ 7137.488291][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7137.488291][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7137.488291][ T74] netlink_rcv_skb+0x130/0x360 [ 7137.488291][ T74] netlink_unicast+0x449/0x710 [ 7137.488291][ T74] netlink_sendmsg+0x723/0xbe0 [ 7137.488291][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7137.488291][ T74] ___sys_sendmsg+0xee/0x170 [ 7137.488291][ T74] __sys_sendmsg+0xcd/0x170 [ 7137.488291][ T74] do_syscall_64+0xc6/0x1e0 [ 7137.488291][ T74] [ 7137.490266][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7137.490266][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7137.490266][ T74] ipv6_find_idev+0x102/0x170 [ 7137.490266][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7137.490266][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7137.490266][ T74] netlink_rcv_skb+0x130/0x360 [ 7137.490266][ T74] netlink_unicast+0x449/0x710 [ 7137.490266][ T74] netlink_sendmsg+0x723/0xbe0 [ 7137.490266][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7137.490266][ T74] ___sys_sendmsg+0xee/0x170 [ 7137.490266][ T74] __sys_sendmsg+0xcd/0x170 [ 7137.490266][ T74] do_syscall_64+0xc6/0x1e0 [ 7137.490266][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7137.490266][ T74] [ 7137.491815][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7137.491815][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7137.491815][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7137.491815][ T74] ipv6_find_idev+0x102/0x170 [ 7137.491815][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7137.491815][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7137.491815][ T74] netlink_rcv_skb+0x130/0x360 [ 7137.491815][ T74] netlink_unicast+0x449/0x710 [ 7137.491815][ T74] netlink_sendmsg+0x723/0xbe0 [ 7137.491815][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7137.491815][ T74] ___sys_sendmsg+0xee/0x170 [ 7137.491815][ T74] __sys_sendmsg+0xcd/0x170 [ 7137.491815][ T74] do_syscall_64+0xc6/0x1e0 [ 7137.491815][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7137.491815][ T74] [ 7137.493540][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 7137.493817][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 7137.493817][ T74] dst_init+0x84/0x4a0 [ 7137.493817][ T74] dst_alloc+0x97/0x150 [ 7137.493817][ T74] ip6_dst_alloc+0x23/0x90 [ 7137.493817][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7137.493817][ T74] ip6_pol_route+0x56f/0x840 [ 7137.493817][ T74] fib6_rule_lookup+0x456/0x630 [ 7137.493817][ T74] ip6_route_input+0x59c/0xa50 [ 7137.493817][ T74] ipv6_rcv+0x397/0x810 [ 7137.493817][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 7137.493817][ T74] process_backlog+0x101/0x620 [ 7137.493817][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 7137.493817][ T74] net_rx_action+0x495/0xbe0 [ 7137.493817][ T74] __do_softirq+0x1b5/0x7f6 [ 7137.493817][ T74] [ 7137.495459][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7137.495459][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 7137.495459][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 7137.495459][ T74] fib6_nh_init+0xa22/0x1580 [ 7137.495459][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7137.495459][ T74] ip6_route_add+0x1c/0x140 [ 7137.495459][ T74] inet6_rtm_newroute+0x104/0x110 [ 7137.495459][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7137.495459][ T74] netlink_rcv_skb+0x130/0x360 [ 7137.495459][ T74] netlink_unicast+0x449/0x710 [ 7137.495459][ T74] netlink_sendmsg+0x723/0xbe0 [ 7137.495459][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7137.495459][ T74] ___sys_sendmsg+0xee/0x170 [ 7137.495459][ T74] __sys_sendmsg+0xcd/0x170 [ 7137.495459][ T74] do_syscall_64+0xc6/0x1e0 [ 7137.495459][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7137.495459][ T74] [ 7137.497336][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7137.497336][ T74] netdev_get_by_index+0x5e/0x80 [ 7137.497336][ T74] fib6_nh_init+0x3d8/0x1580 [ 7137.497336][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7137.497336][ T74] addrconf_f6i_alloc+0x265/0x560 [ 7137.497336][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7137.497336][ T74] addrconf_join_anycast+0x1c0/0x220 [ 7137.497336][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7137.497336][ T74] addrconf_dad_completed+0x12b/0xe20 [ 7137.497336][ T74] addrconf_dad_begin+0x310/0x670 [ 7137.497336][ T74] addrconf_dad_work+0x10b/0xab0 [ 7137.497336][ T74] process_one_work+0x84d/0x18a0 [ 7137.497336][ T74] worker_thread+0x587/0xd30 [ 7137.497336][ T74] kthread+0x28a/0x350 [ 7137.497336][ T74] ret_from_fork+0x31/0x70 [ 7137.497336][ T74] ret_from_fork_asm+0x1a/0x30 [ 7137.497336][ T74] [ 7137.499248][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7137.499248][ T74] netdev_get_by_index+0x5e/0x80 [ 7137.499248][ T74] fib6_nh_init+0x3d8/0x1580 [ 7137.499248][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7137.499248][ T74] ip6_route_add+0x1c/0x140 [ 7137.499248][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7137.499248][ T74] inet6_addr_add+0x4f8/0xa40 [ 7137.499248][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7137.499248][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7137.499248][ T74] netlink_rcv_skb+0x130/0x360 [ 7137.499248][ T74] netlink_unicast+0x449/0x710 [ 7137.499248][ T74] netlink_sendmsg+0x723/0xbe0 [ 7137.499248][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7137.499248][ T74] ___sys_sendmsg+0xee/0x170 [ 7137.499248][ T74] __sys_sendmsg+0xcd/0x170 [ 7137.499248][ T74] do_syscall_64+0xc6/0x1e0 [ 7137.499248][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7137.499248][ T74] [ 7137.501246][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7137.501246][ T74] netdev_get_by_index+0x5e/0x80 [ 7137.501246][ T74] fib6_nh_init+0x3d8/0x1580 [ 7137.501246][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7137.501246][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7137.501246][ T74] ipv6_add_addr+0x411/0x2000 [ 7137.501246][ T74] inet6_addr_add+0x30e/0xa40 [ 7137.501246][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7137.501246][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7137.501246][ T74] netlink_rcv_skb+0x130/0x360 [ 7137.501246][ T74] netlink_unicast+0x449/0x710 [ 7137.501246][ T74] netlink_sendmsg+0x723/0xbe0 [ 7137.501246][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7137.501246][ T74] ___sys_sendmsg+0xee/0x170 [ 7137.501246][ T74] __sys_sendmsg+0xcd/0x170 [ 7137.501246][ T74] do_syscall_64+0xc6/0x1e0 [ 7137.501246][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7137.501246][ T74] [ 7137.503255][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7137.503255][ T74] netdev_get_by_index+0x5e/0x80 [ 7137.503255][ T74] fib6_nh_init+0x3d8/0x1580 [ 7137.503255][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7137.503255][ T74] ip6_route_add+0x1c/0x140 [ 7137.503255][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 7137.503255][ T74] addrconf_add_dev+0xe2/0x170 [ 7137.503255][ T74] inet6_addr_add+0x12f/0xa40 [ 7137.503255][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7137.503255][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7137.503255][ T74] netlink_rcv_skb+0x130/0x360 [ 7137.503255][ T74] netlink_unicast+0x449/0x710 [ 7137.503255][ T74] netlink_sendmsg+0x723/0xbe0 [ 7137.503255][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7137.503255][ T74] ___sys_sendmsg+0xee/0x170 [ 7137.503255][ T74] __sys_sendmsg+0xcd/0x170 [ 7137.503255][ T74] do_syscall_64+0xc6/0x1e0 [ 7137.503255][ T74] [ 7137.505242][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7137.505242][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7137.505242][ T74] ipv6_find_idev+0x102/0x170 [ 7137.505242][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7137.505242][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7137.505242][ T74] netlink_rcv_skb+0x130/0x360 [ 7137.505242][ T74] netlink_unicast+0x449/0x710 [ 7137.505242][ T74] netlink_sendmsg+0x723/0xbe0 [ 7137.505242][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7137.505242][ T74] ___sys_sendmsg+0xee/0x170 [ 7137.505242][ T74] __sys_sendmsg+0xcd/0x170 [ 7137.505242][ T74] do_syscall_64+0xc6/0x1e0 [ 7137.505242][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7137.505242][ T74] [ 7137.506984][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7137.506984][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7137.506984][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7137.506984][ T74] ipv6_find_idev+0x102/0x170 [ 7137.506984][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7137.506984][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7137.506984][ T74] netlink_rcv_skb+0x130/0x360 [ 7137.506984][ T74] netlink_unicast+0x449/0x710 [ 7137.506984][ T74] netlink_sendmsg+0x723/0xbe0 [ 7137.506984][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7137.506984][ T74] ___sys_sendmsg+0xee/0x170 [ 7137.506984][ T74] __sys_sendmsg+0xcd/0x170 [ 7137.506984][ T74] do_syscall_64+0xc6/0x1e0 [ 7137.506984][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7137.506984][ T74] [ 7137.508926][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 7137.509231][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7137.509231][ T74] netdev_get_by_index+0x5e/0x80 [ 7137.509231][ T74] fib6_nh_init+0x3d8/0x1580 [ 7137.509231][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7137.509231][ T74] ip6_route_add+0x1c/0x140 [ 7137.509231][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7137.509231][ T74] inet6_addr_add+0x4f8/0xa40 [ 7137.509231][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7137.509231][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7137.509231][ T74] netlink_rcv_skb+0x130/0x360 [ 7137.509231][ T74] netlink_unicast+0x449/0x710 [ 7137.509231][ T74] netlink_sendmsg+0x723/0xbe0 [ 7137.509231][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7137.509231][ T74] ___sys_sendmsg+0xee/0x170 [ 7137.509231][ T74] __sys_sendmsg+0xcd/0x170 [ 7137.509231][ T74] do_syscall_64+0xc6/0x1e0 [ 7137.509231][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7137.509231][ T74] [ 7137.511428][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7137.511428][ T74] netdev_get_by_index+0x5e/0x80 [ 7137.511428][ T74] fib6_nh_init+0x3d8/0x1580 [ 7137.511428][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7137.511428][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7137.511428][ T74] ipv6_add_addr+0x411/0x2000 [ 7137.511428][ T74] inet6_addr_add+0x30e/0xa40 [ 7137.511428][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7137.511428][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7137.511428][ T74] netlink_rcv_skb+0x130/0x360 [ 7137.511428][ T74] netlink_unicast+0x449/0x710 [ 7137.511428][ T74] netlink_sendmsg+0x723/0xbe0 [ 7137.511428][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7137.511428][ T74] ___sys_sendmsg+0xee/0x170 [ 7137.511428][ T74] __sys_sendmsg+0xcd/0x170 [ 7137.511428][ T74] do_syscall_64+0xc6/0x1e0 [ 7137.511428][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7137.511428][ T74] [ 7137.513665][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7137.513665][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7137.513665][ T74] ipv6_find_idev+0x102/0x170 [ 7137.513665][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7137.513665][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7137.513665][ T74] netlink_rcv_skb+0x130/0x360 [ 7137.513665][ T74] netlink_unicast+0x449/0x710 [ 7137.513665][ T74] netlink_sendmsg+0x723/0xbe0 [ 7137.513665][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7137.513665][ T74] ___sys_sendmsg+0xee/0x170 [ 7137.513665][ T74] __sys_sendmsg+0xcd/0x170 [ 7137.513665][ T74] do_syscall_64+0xc6/0x1e0 [ 7137.513665][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7137.513665][ T74] [ 7137.515396][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7137.515396][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7137.515396][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7137.515396][ T74] ipv6_find_idev+0x102/0x170 [ 7137.515396][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7137.515396][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7137.515396][ T74] netlink_rcv_skb+0x130/0x360 [ 7137.515396][ T74] netlink_unicast+0x449/0x710 [ 7137.515396][ T74] netlink_sendmsg+0x723/0xbe0 [ 7137.515396][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7137.515396][ T74] ___sys_sendmsg+0xee/0x170 [ 7137.515396][ T74] __sys_sendmsg+0xcd/0x170 [ 7137.515396][ T74] do_syscall_64+0xc6/0x1e0 [ 7137.515396][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7137.515396][ T74] [ 7147.759954][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 7147.760406][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7147.760406][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 7147.760406][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 7147.760406][ T74] fib6_nh_init+0xa22/0x1580 [ 7147.760406][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7147.760406][ T74] ip6_route_add+0x1c/0x140 [ 7147.760406][ T74] inet6_rtm_newroute+0x104/0x110 [ 7147.760406][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7147.760406][ T74] netlink_rcv_skb+0x130/0x360 [ 7147.760406][ T74] netlink_unicast+0x449/0x710 [ 7147.760406][ T74] netlink_sendmsg+0x723/0xbe0 [ 7147.760406][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7147.760406][ T74] ___sys_sendmsg+0xee/0x170 [ 7147.760406][ T74] __sys_sendmsg+0xcd/0x170 [ 7147.760406][ T74] do_syscall_64+0xc6/0x1e0 [ 7147.760406][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7147.760406][ T74] [ 7147.762336][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7147.762336][ T74] netdev_get_by_index+0x5e/0x80 [ 7147.762336][ T74] fib6_nh_init+0x3d8/0x1580 [ 7147.762336][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7147.762336][ T74] addrconf_f6i_alloc+0x265/0x560 [ 7147.762336][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7147.762336][ T74] addrconf_join_anycast+0x1c0/0x220 [ 7147.762336][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7147.762336][ T74] addrconf_dad_completed+0x12b/0xe20 [ 7147.762336][ T74] addrconf_dad_begin+0x310/0x670 [ 7147.762336][ T74] addrconf_dad_work+0x10b/0xab0 [ 7147.762336][ T74] process_one_work+0x84d/0x18a0 [ 7147.762336][ T74] worker_thread+0x587/0xd30 [ 7147.762336][ T74] kthread+0x28a/0x350 [ 7147.762336][ T74] ret_from_fork+0x31/0x70 [ 7147.762336][ T74] ret_from_fork_asm+0x1a/0x30 [ 7147.762336][ T74] [ 7147.764269][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7147.764269][ T74] netdev_get_by_index+0x5e/0x80 [ 7147.764269][ T74] fib6_nh_init+0x3d8/0x1580 [ 7147.764269][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7147.764269][ T74] ip6_route_add+0x1c/0x140 [ 7147.764269][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7147.764269][ T74] inet6_addr_add+0x4f8/0xa40 [ 7147.764269][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7147.764269][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7147.764269][ T74] netlink_rcv_skb+0x130/0x360 [ 7147.764269][ T74] netlink_unicast+0x449/0x710 [ 7147.764269][ T74] netlink_sendmsg+0x723/0xbe0 [ 7147.764269][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7147.764269][ T74] ___sys_sendmsg+0xee/0x170 [ 7147.764269][ T74] __sys_sendmsg+0xcd/0x170 [ 7147.764269][ T74] do_syscall_64+0xc6/0x1e0 [ 7147.764269][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7147.764269][ T74] [ 7147.766321][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7147.766321][ T74] netdev_get_by_index+0x5e/0x80 [ 7147.766321][ T74] fib6_nh_init+0x3d8/0x1580 [ 7147.766321][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7147.766321][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7147.766321][ T74] ipv6_add_addr+0x411/0x2000 [ 7147.766321][ T74] inet6_addr_add+0x30e/0xa40 [ 7147.766321][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7147.766321][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7147.766321][ T74] netlink_rcv_skb+0x130/0x360 [ 7147.766321][ T74] netlink_unicast+0x449/0x710 [ 7147.766321][ T74] netlink_sendmsg+0x723/0xbe0 [ 7147.766321][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7147.766321][ T74] ___sys_sendmsg+0xee/0x170 [ 7147.766321][ T74] __sys_sendmsg+0xcd/0x170 [ 7147.766321][ T74] do_syscall_64+0xc6/0x1e0 [ 7147.766321][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7147.766321][ T74] [ 7147.768361][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7147.768361][ T74] netdev_get_by_index+0x5e/0x80 [ 7147.768361][ T74] fib6_nh_init+0x3d8/0x1580 [ 7147.768361][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7147.768361][ T74] ip6_route_add+0x1c/0x140 [ 7147.768361][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 7147.768361][ T74] addrconf_add_dev+0xe2/0x170 [ 7147.768361][ T74] inet6_addr_add+0x12f/0xa40 [ 7147.768361][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7147.768361][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7147.768361][ T74] netlink_rcv_skb+0x130/0x360 [ 7147.768361][ T74] netlink_unicast+0x449/0x710 [ 7147.768361][ T74] netlink_sendmsg+0x723/0xbe0 [ 7147.768361][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7147.768361][ T74] ___sys_sendmsg+0xee/0x170 [ 7147.768361][ T74] __sys_sendmsg+0xcd/0x170 [ 7147.768361][ T74] do_syscall_64+0xc6/0x1e0 [ 7147.768361][ T74] [ 7147.770343][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7147.770343][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7147.770343][ T74] ipv6_find_idev+0x102/0x170 [ 7147.770343][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7147.770343][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7147.770343][ T74] netlink_rcv_skb+0x130/0x360 [ 7147.770343][ T74] netlink_unicast+0x449/0x710 [ 7147.770343][ T74] netlink_sendmsg+0x723/0xbe0 [ 7147.770343][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7147.770343][ T74] ___sys_sendmsg+0xee/0x170 [ 7147.770343][ T74] __sys_sendmsg+0xcd/0x170 [ 7147.770343][ T74] do_syscall_64+0xc6/0x1e0 [ 7147.770343][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7147.770343][ T74] [ 7147.771904][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7147.771904][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7147.771904][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7147.771904][ T74] ipv6_find_idev+0x102/0x170 [ 7147.771904][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7147.771904][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7147.771904][ T74] netlink_rcv_skb+0x130/0x360 [ 7147.771904][ T74] netlink_unicast+0x449/0x710 [ 7147.771904][ T74] netlink_sendmsg+0x723/0xbe0 [ 7147.771904][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7147.771904][ T74] ___sys_sendmsg+0xee/0x170 [ 7147.771904][ T74] __sys_sendmsg+0xcd/0x170 [ 7147.771904][ T74] do_syscall_64+0xc6/0x1e0 [ 7147.771904][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7147.771904][ T74] [ 7147.773642][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 7147.773931][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 7147.773931][ T74] dst_init+0x84/0x4a0 [ 7147.773931][ T74] dst_alloc+0x97/0x150 [ 7147.773931][ T74] ip6_dst_alloc+0x23/0x90 [ 7147.773931][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7147.773931][ T74] ip6_pol_route+0x56f/0x840 [ 7147.773931][ T74] fib6_rule_lookup+0x456/0x630 [ 7147.773931][ T74] ip6_route_input+0x59c/0xa50 [ 7147.773931][ T74] ipv6_rcv+0x397/0x810 [ 7147.773931][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 7147.773931][ T74] process_backlog+0x101/0x620 [ 7147.773931][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 7147.773931][ T74] net_rx_action+0x495/0xbe0 [ 7147.773931][ T74] __do_softirq+0x1b5/0x7f6 [ 7147.773931][ T74] [ 7147.775605][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7147.775605][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 7147.775605][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 7147.775605][ T74] fib6_nh_init+0xa22/0x1580 [ 7147.775605][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7147.775605][ T74] ip6_route_add+0x1c/0x140 [ 7147.775605][ T74] inet6_rtm_newroute+0x104/0x110 [ 7147.775605][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7147.775605][ T74] netlink_rcv_skb+0x130/0x360 [ 7147.775605][ T74] netlink_unicast+0x449/0x710 [ 7147.775605][ T74] netlink_sendmsg+0x723/0xbe0 [ 7147.775605][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7147.775605][ T74] ___sys_sendmsg+0xee/0x170 [ 7147.775605][ T74] __sys_sendmsg+0xcd/0x170 [ 7147.775605][ T74] do_syscall_64+0xc6/0x1e0 [ 7147.775605][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7147.775605][ T74] [ 7147.777506][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7147.777506][ T74] netdev_get_by_index+0x5e/0x80 [ 7147.777506][ T74] fib6_nh_init+0x3d8/0x1580 [ 7147.777506][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7147.777506][ T74] addrconf_f6i_alloc+0x265/0x560 [ 7147.777506][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7147.777506][ T74] addrconf_join_anycast+0x1c0/0x220 [ 7147.777506][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7147.777506][ T74] addrconf_dad_completed+0x12b/0xe20 [ 7147.777506][ T74] addrconf_dad_begin+0x310/0x670 [ 7147.777506][ T74] addrconf_dad_work+0x10b/0xab0 [ 7147.777506][ T74] process_one_work+0x84d/0x18a0 [ 7147.777506][ T74] worker_thread+0x587/0xd30 [ 7147.777506][ T74] kthread+0x28a/0x350 [ 7147.777506][ T74] ret_from_fork+0x31/0x70 [ 7147.777506][ T74] ret_from_fork_asm+0x1a/0x30 [ 7147.777506][ T74] [ 7147.779447][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7147.779447][ T74] netdev_get_by_index+0x5e/0x80 [ 7147.779447][ T74] fib6_nh_init+0x3d8/0x1580 [ 7147.779447][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7147.779447][ T74] ip6_route_add+0x1c/0x140 [ 7147.779447][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7147.779447][ T74] inet6_addr_add+0x4f8/0xa40 [ 7147.779447][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7147.779447][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7147.779447][ T74] netlink_rcv_skb+0x130/0x360 [ 7147.779447][ T74] netlink_unicast+0x449/0x710 [ 7147.779447][ T74] netlink_sendmsg+0x723/0xbe0 [ 7147.779447][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7147.779447][ T74] ___sys_sendmsg+0xee/0x170 [ 7147.779447][ T74] __sys_sendmsg+0xcd/0x170 [ 7147.779447][ T74] do_syscall_64+0xc6/0x1e0 [ 7147.779447][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7147.779447][ T74] [ 7147.781471][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7147.781471][ T74] netdev_get_by_index+0x5e/0x80 [ 7147.781471][ T74] fib6_nh_init+0x3d8/0x1580 [ 7147.781471][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7147.781471][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7147.781471][ T74] ipv6_add_addr+0x411/0x2000 [ 7147.781471][ T74] inet6_addr_add+0x30e/0xa40 [ 7147.781471][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7147.781471][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7147.781471][ T74] netlink_rcv_skb+0x130/0x360 [ 7147.781471][ T74] netlink_unicast+0x449/0x710 [ 7147.781471][ T74] netlink_sendmsg+0x723/0xbe0 [ 7147.781471][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7147.781471][ T74] ___sys_sendmsg+0xee/0x170 [ 7147.781471][ T74] __sys_sendmsg+0xcd/0x170 [ 7147.781471][ T74] do_syscall_64+0xc6/0x1e0 [ 7147.781471][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7147.781471][ T74] [ 7147.783488][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7147.783488][ T74] netdev_get_by_index+0x5e/0x80 [ 7147.783488][ T74] fib6_nh_init+0x3d8/0x1580 [ 7147.783488][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7147.783488][ T74] ip6_route_add+0x1c/0x140 [ 7147.783488][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 7147.783488][ T74] addrconf_add_dev+0xe2/0x170 [ 7147.783488][ T74] inet6_addr_add+0x12f/0xa40 [ 7147.783488][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7147.783488][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7147.783488][ T74] netlink_rcv_skb+0x130/0x360 [ 7147.783488][ T74] netlink_unicast+0x449/0x710 [ 7147.783488][ T74] netlink_sendmsg+0x723/0xbe0 [ 7147.783488][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7147.783488][ T74] ___sys_sendmsg+0xee/0x170 [ 7147.783488][ T74] __sys_sendmsg+0xcd/0x170 [ 7147.783488][ T74] do_syscall_64+0xc6/0x1e0 [ 7147.783488][ T74] [ 7147.785472][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7147.785472][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7147.785472][ T74] ipv6_find_idev+0x102/0x170 [ 7147.785472][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7147.785472][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7147.785472][ T74] netlink_rcv_skb+0x130/0x360 [ 7147.785472][ T74] netlink_unicast+0x449/0x710 [ 7147.785472][ T74] netlink_sendmsg+0x723/0xbe0 [ 7147.785472][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7147.785472][ T74] ___sys_sendmsg+0xee/0x170 [ 7147.785472][ T74] __sys_sendmsg+0xcd/0x170 [ 7147.785472][ T74] do_syscall_64+0xc6/0x1e0 [ 7147.785472][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7147.785472][ T74] [ 7147.787168][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7147.787168][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7147.787168][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7147.787168][ T74] ipv6_find_idev+0x102/0x170 [ 7147.787168][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7147.787168][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7147.787168][ T74] netlink_rcv_skb+0x130/0x360 [ 7147.787168][ T74] netlink_unicast+0x449/0x710 [ 7147.787168][ T74] netlink_sendmsg+0x723/0xbe0 [ 7147.787168][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7147.787168][ T74] ___sys_sendmsg+0xee/0x170 [ 7147.787168][ T74] __sys_sendmsg+0xcd/0x170 [ 7147.787168][ T74] do_syscall_64+0xc6/0x1e0 [ 7147.787168][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7147.787168][ T74] [ 7147.789005][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 7147.789251][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7147.789251][ T74] netdev_get_by_index+0x5e/0x80 [ 7147.789251][ T74] fib6_nh_init+0x3d8/0x1580 [ 7147.789251][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7147.789251][ T74] ip6_route_add+0x1c/0x140 [ 7147.789251][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7147.789251][ T74] inet6_addr_add+0x4f8/0xa40 [ 7147.789251][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7147.789251][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7147.789251][ T74] netlink_rcv_skb+0x130/0x360 [ 7147.789251][ T74] netlink_unicast+0x449/0x710 [ 7147.789251][ T74] netlink_sendmsg+0x723/0xbe0 [ 7147.789251][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7147.789251][ T74] ___sys_sendmsg+0xee/0x170 [ 7147.789251][ T74] __sys_sendmsg+0xcd/0x170 [ 7147.789251][ T74] do_syscall_64+0xc6/0x1e0 [ 7147.789251][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7147.789251][ T74] [ 7147.791392][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7147.791392][ T74] netdev_get_by_index+0x5e/0x80 [ 7147.791392][ T74] fib6_nh_init+0x3d8/0x1580 [ 7147.791392][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7147.791392][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7147.791392][ T74] ipv6_add_addr+0x411/0x2000 [ 7147.791392][ T74] inet6_addr_add+0x30e/0xa40 [ 7147.791392][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7147.791392][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7147.791392][ T74] netlink_rcv_skb+0x130/0x360 [ 7147.791392][ T74] netlink_unicast+0x449/0x710 [ 7147.791392][ T74] netlink_sendmsg+0x723/0xbe0 [ 7147.791392][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7147.791392][ T74] ___sys_sendmsg+0xee/0x170 [ 7147.791392][ T74] __sys_sendmsg+0xcd/0x170 [ 7147.791392][ T74] do_syscall_64+0xc6/0x1e0 [ 7147.791392][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7147.791392][ T74] [ 7147.793529][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7147.793529][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7147.793529][ T74] ipv6_find_idev+0x102/0x170 [ 7147.793529][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7147.793529][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7147.793529][ T74] netlink_rcv_skb+0x130/0x360 [ 7147.793529][ T74] netlink_unicast+0x449/0x710 [ 7147.793529][ T74] netlink_sendmsg+0x723/0xbe0 [ 7147.793529][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7147.793529][ T74] ___sys_sendmsg+0xee/0x170 [ 7147.793529][ T74] __sys_sendmsg+0xcd/0x170 [ 7147.793529][ T74] do_syscall_64+0xc6/0x1e0 [ 7147.793529][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7147.793529][ T74] [ 7147.795140][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7147.795140][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7147.795140][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7147.795140][ T74] ipv6_find_idev+0x102/0x170 [ 7147.795140][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7147.795140][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7147.795140][ T74] netlink_rcv_skb+0x130/0x360 [ 7147.795140][ T74] netlink_unicast+0x449/0x710 [ 7147.795140][ T74] netlink_sendmsg+0x723/0xbe0 [ 7147.795140][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7147.795140][ T74] ___sys_sendmsg+0xee/0x170 [ 7147.795140][ T74] __sys_sendmsg+0xcd/0x170 [ 7147.795140][ T74] do_syscall_64+0xc6/0x1e0 [ 7147.795140][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7147.795140][ T74] [ 7158.039957][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 7158.040379][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7158.040379][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 7158.040379][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 7158.040379][ T74] fib6_nh_init+0xa22/0x1580 [ 7158.040379][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7158.040379][ T74] ip6_route_add+0x1c/0x140 [ 7158.040379][ T74] inet6_rtm_newroute+0x104/0x110 [ 7158.040379][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7158.040379][ T74] netlink_rcv_skb+0x130/0x360 [ 7158.040379][ T74] netlink_unicast+0x449/0x710 [ 7158.040379][ T74] netlink_sendmsg+0x723/0xbe0 [ 7158.040379][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7158.040379][ T74] ___sys_sendmsg+0xee/0x170 [ 7158.040379][ T74] __sys_sendmsg+0xcd/0x170 [ 7158.040379][ T74] do_syscall_64+0xc6/0x1e0 [ 7158.040379][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7158.040379][ T74] [ 7158.042277][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7158.042277][ T74] netdev_get_by_index+0x5e/0x80 [ 7158.042277][ T74] fib6_nh_init+0x3d8/0x1580 [ 7158.042277][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7158.042277][ T74] addrconf_f6i_alloc+0x265/0x560 [ 7158.042277][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7158.042277][ T74] addrconf_join_anycast+0x1c0/0x220 [ 7158.042277][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7158.042277][ T74] addrconf_dad_completed+0x12b/0xe20 [ 7158.042277][ T74] addrconf_dad_begin+0x310/0x670 [ 7158.042277][ T74] addrconf_dad_work+0x10b/0xab0 [ 7158.042277][ T74] process_one_work+0x84d/0x18a0 [ 7158.042277][ T74] worker_thread+0x587/0xd30 [ 7158.042277][ T74] kthread+0x28a/0x350 [ 7158.042277][ T74] ret_from_fork+0x31/0x70 [ 7158.042277][ T74] ret_from_fork_asm+0x1a/0x30 [ 7158.042277][ T74] [ 7158.044186][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7158.044186][ T74] netdev_get_by_index+0x5e/0x80 [ 7158.044186][ T74] fib6_nh_init+0x3d8/0x1580 [ 7158.044186][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7158.044186][ T74] ip6_route_add+0x1c/0x140 [ 7158.044186][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7158.044186][ T74] inet6_addr_add+0x4f8/0xa40 [ 7158.044186][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7158.044186][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7158.044186][ T74] netlink_rcv_skb+0x130/0x360 [ 7158.044186][ T74] netlink_unicast+0x449/0x710 [ 7158.044186][ T74] netlink_sendmsg+0x723/0xbe0 [ 7158.044186][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7158.044186][ T74] ___sys_sendmsg+0xee/0x170 [ 7158.044186][ T74] __sys_sendmsg+0xcd/0x170 [ 7158.044186][ T74] do_syscall_64+0xc6/0x1e0 [ 7158.044186][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7158.044186][ T74] [ 7158.046206][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7158.046206][ T74] netdev_get_by_index+0x5e/0x80 [ 7158.046206][ T74] fib6_nh_init+0x3d8/0x1580 [ 7158.046206][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7158.046206][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7158.046206][ T74] ipv6_add_addr+0x411/0x2000 [ 7158.046206][ T74] inet6_addr_add+0x30e/0xa40 [ 7158.046206][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7158.046206][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7158.046206][ T74] netlink_rcv_skb+0x130/0x360 [ 7158.046206][ T74] netlink_unicast+0x449/0x710 [ 7158.046206][ T74] netlink_sendmsg+0x723/0xbe0 [ 7158.046206][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7158.046206][ T74] ___sys_sendmsg+0xee/0x170 [ 7158.046206][ T74] __sys_sendmsg+0xcd/0x170 [ 7158.046206][ T74] do_syscall_64+0xc6/0x1e0 [ 7158.046206][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7158.046206][ T74] [ 7158.048200][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7158.048200][ T74] netdev_get_by_index+0x5e/0x80 [ 7158.048200][ T74] fib6_nh_init+0x3d8/0x1580 [ 7158.048200][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7158.048200][ T74] ip6_route_add+0x1c/0x140 [ 7158.048200][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 7158.048200][ T74] addrconf_add_dev+0xe2/0x170 [ 7158.048200][ T74] inet6_addr_add+0x12f/0xa40 [ 7158.048200][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7158.048200][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7158.048200][ T74] netlink_rcv_skb+0x130/0x360 [ 7158.048200][ T74] netlink_unicast+0x449/0x710 [ 7158.048200][ T74] netlink_sendmsg+0x723/0xbe0 [ 7158.048200][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7158.048200][ T74] ___sys_sendmsg+0xee/0x170 [ 7158.048200][ T74] __sys_sendmsg+0xcd/0x170 [ 7158.048200][ T74] do_syscall_64+0xc6/0x1e0 [ 7158.048200][ T74] [ 7158.050165][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7158.050165][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7158.050165][ T74] ipv6_find_idev+0x102/0x170 [ 7158.050165][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7158.050165][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7158.050165][ T74] netlink_rcv_skb+0x130/0x360 [ 7158.050165][ T74] netlink_unicast+0x449/0x710 [ 7158.050165][ T74] netlink_sendmsg+0x723/0xbe0 [ 7158.050165][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7158.050165][ T74] ___sys_sendmsg+0xee/0x170 [ 7158.050165][ T74] __sys_sendmsg+0xcd/0x170 [ 7158.050165][ T74] do_syscall_64+0xc6/0x1e0 [ 7158.050165][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7158.050165][ T74] [ 7158.051697][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7158.051697][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7158.051697][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7158.051697][ T74] ipv6_find_idev+0x102/0x170 [ 7158.051697][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7158.051697][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7158.051697][ T74] netlink_rcv_skb+0x130/0x360 [ 7158.051697][ T74] netlink_unicast+0x449/0x710 [ 7158.051697][ T74] netlink_sendmsg+0x723/0xbe0 [ 7158.051697][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7158.051697][ T74] ___sys_sendmsg+0xee/0x170 [ 7158.051697][ T74] __sys_sendmsg+0xcd/0x170 [ 7158.051697][ T74] do_syscall_64+0xc6/0x1e0 [ 7158.051697][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7158.051697][ T74] [ 7158.053391][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 7158.053664][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 7158.053664][ T74] dst_init+0x84/0x4a0 [ 7158.053664][ T74] dst_alloc+0x97/0x150 [ 7158.053664][ T74] ip6_dst_alloc+0x23/0x90 [ 7158.053664][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7158.053664][ T74] ip6_pol_route+0x56f/0x840 [ 7158.053664][ T74] fib6_rule_lookup+0x456/0x630 [ 7158.053664][ T74] ip6_route_input+0x59c/0xa50 [ 7158.053664][ T74] ipv6_rcv+0x397/0x810 [ 7158.053664][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 7158.053664][ T74] process_backlog+0x101/0x620 [ 7158.053664][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 7158.053664][ T74] net_rx_action+0x495/0xbe0 [ 7158.053664][ T74] __do_softirq+0x1b5/0x7f6 [ 7158.053664][ T74] [ 7158.055305][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7158.055305][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 7158.055305][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 7158.055305][ T74] fib6_nh_init+0xa22/0x1580 [ 7158.055305][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7158.055305][ T74] ip6_route_add+0x1c/0x140 [ 7158.055305][ T74] inet6_rtm_newroute+0x104/0x110 [ 7158.055305][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7158.055305][ T74] netlink_rcv_skb+0x130/0x360 [ 7158.055305][ T74] netlink_unicast+0x449/0x710 [ 7158.055305][ T74] netlink_sendmsg+0x723/0xbe0 [ 7158.055305][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7158.055305][ T74] ___sys_sendmsg+0xee/0x170 [ 7158.055305][ T74] __sys_sendmsg+0xcd/0x170 [ 7158.055305][ T74] do_syscall_64+0xc6/0x1e0 [ 7158.055305][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7158.055305][ T74] [ 7158.057175][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7158.057175][ T74] netdev_get_by_index+0x5e/0x80 [ 7158.057175][ T74] fib6_nh_init+0x3d8/0x1580 [ 7158.057175][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7158.057175][ T74] addrconf_f6i_alloc+0x265/0x560 [ 7158.057175][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7158.057175][ T74] addrconf_join_anycast+0x1c0/0x220 [ 7158.057175][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7158.057175][ T74] addrconf_dad_completed+0x12b/0xe20 [ 7158.057175][ T74] addrconf_dad_begin+0x310/0x670 [ 7158.057175][ T74] addrconf_dad_work+0x10b/0xab0 [ 7158.057175][ T74] process_one_work+0x84d/0x18a0 [ 7158.057175][ T74] worker_thread+0x587/0xd30 [ 7158.057175][ T74] kthread+0x28a/0x350 [ 7158.057175][ T74] ret_from_fork+0x31/0x70 [ 7158.057175][ T74] ret_from_fork_asm+0x1a/0x30 [ 7158.057175][ T74] [ 7158.059068][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7158.059068][ T74] netdev_get_by_index+0x5e/0x80 [ 7158.059068][ T74] fib6_nh_init+0x3d8/0x1580 [ 7158.059068][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7158.059068][ T74] ip6_route_add+0x1c/0x140 [ 7158.059068][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7158.059068][ T74] inet6_addr_add+0x4f8/0xa40 [ 7158.059068][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7158.059068][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7158.059068][ T74] netlink_rcv_skb+0x130/0x360 [ 7158.059068][ T74] netlink_unicast+0x449/0x710 [ 7158.059068][ T74] netlink_sendmsg+0x723/0xbe0 [ 7158.059068][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7158.059068][ T74] ___sys_sendmsg+0xee/0x170 [ 7158.059068][ T74] __sys_sendmsg+0xcd/0x170 [ 7158.059068][ T74] do_syscall_64+0xc6/0x1e0 [ 7158.059068][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7158.059068][ T74] [ 7158.061052][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7158.061052][ T74] netdev_get_by_index+0x5e/0x80 [ 7158.061052][ T74] fib6_nh_init+0x3d8/0x1580 [ 7158.061052][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7158.061052][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7158.061052][ T74] ipv6_add_addr+0x411/0x2000 [ 7158.061052][ T74] inet6_addr_add+0x30e/0xa40 [ 7158.061052][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7158.061052][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7158.061052][ T74] netlink_rcv_skb+0x130/0x360 [ 7158.061052][ T74] netlink_unicast+0x449/0x710 [ 7158.061052][ T74] netlink_sendmsg+0x723/0xbe0 [ 7158.061052][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7158.061052][ T74] ___sys_sendmsg+0xee/0x170 [ 7158.061052][ T74] __sys_sendmsg+0xcd/0x170 [ 7158.061052][ T74] do_syscall_64+0xc6/0x1e0 [ 7158.061052][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7158.061052][ T74] [ 7158.063038][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7158.063038][ T74] netdev_get_by_index+0x5e/0x80 [ 7158.063038][ T74] fib6_nh_init+0x3d8/0x1580 [ 7158.063038][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7158.063038][ T74] ip6_route_add+0x1c/0x140 [ 7158.063038][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 7158.063038][ T74] addrconf_add_dev+0xe2/0x170 [ 7158.063038][ T74] inet6_addr_add+0x12f/0xa40 [ 7158.063038][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7158.063038][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7158.063038][ T74] netlink_rcv_skb+0x130/0x360 [ 7158.063038][ T74] netlink_unicast+0x449/0x710 [ 7158.063038][ T74] netlink_sendmsg+0x723/0xbe0 [ 7158.063038][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7158.063038][ T74] ___sys_sendmsg+0xee/0x170 [ 7158.063038][ T74] __sys_sendmsg+0xcd/0x170 [ 7158.063038][ T74] do_syscall_64+0xc6/0x1e0 [ 7158.063038][ T74] [ 7158.064999][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7158.064999][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7158.064999][ T74] ipv6_find_idev+0x102/0x170 [ 7158.064999][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7158.064999][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7158.064999][ T74] netlink_rcv_skb+0x130/0x360 [ 7158.064999][ T74] netlink_unicast+0x449/0x710 [ 7158.064999][ T74] netlink_sendmsg+0x723/0xbe0 [ 7158.064999][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7158.064999][ T74] ___sys_sendmsg+0xee/0x170 [ 7158.064999][ T74] __sys_sendmsg+0xcd/0x170 [ 7158.064999][ T74] do_syscall_64+0xc6/0x1e0 [ 7158.064999][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7158.064999][ T74] [ 7158.066655][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7158.066655][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7158.066655][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7158.066655][ T74] ipv6_find_idev+0x102/0x170 [ 7158.066655][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7158.066655][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7158.066655][ T74] netlink_rcv_skb+0x130/0x360 [ 7158.066655][ T74] netlink_unicast+0x449/0x710 [ 7158.066655][ T74] netlink_sendmsg+0x723/0xbe0 [ 7158.066655][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7158.066655][ T74] ___sys_sendmsg+0xee/0x170 [ 7158.066655][ T74] __sys_sendmsg+0xcd/0x170 [ 7158.066655][ T74] do_syscall_64+0xc6/0x1e0 [ 7158.066655][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7158.066655][ T74] [ 7158.068503][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 7158.068802][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7158.068802][ T74] netdev_get_by_index+0x5e/0x80 [ 7158.068802][ T74] fib6_nh_init+0x3d8/0x1580 [ 7158.068802][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7158.068802][ T74] ip6_route_add+0x1c/0x140 [ 7158.068802][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7158.068802][ T74] inet6_addr_add+0x4f8/0xa40 [ 7158.068802][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7158.068802][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7158.068802][ T74] netlink_rcv_skb+0x130/0x360 [ 7158.068802][ T74] netlink_unicast+0x449/0x710 [ 7158.068802][ T74] netlink_sendmsg+0x723/0xbe0 [ 7158.068802][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7158.068802][ T74] ___sys_sendmsg+0xee/0x170 [ 7158.068802][ T74] __sys_sendmsg+0xcd/0x170 [ 7158.068802][ T74] do_syscall_64+0xc6/0x1e0 [ 7158.068802][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7158.068802][ T74] [ 7158.071096][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7158.071096][ T74] netdev_get_by_index+0x5e/0x80 [ 7158.071096][ T74] fib6_nh_init+0x3d8/0x1580 [ 7158.071096][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7158.071096][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7158.071096][ T74] ipv6_add_addr+0x411/0x2000 [ 7158.071096][ T74] inet6_addr_add+0x30e/0xa40 [ 7158.071096][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7158.071096][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7158.071096][ T74] netlink_rcv_skb+0x130/0x360 [ 7158.071096][ T74] netlink_unicast+0x449/0x710 [ 7158.071096][ T74] netlink_sendmsg+0x723/0xbe0 [ 7158.071096][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7158.071096][ T74] ___sys_sendmsg+0xee/0x170 [ 7158.071096][ T74] __sys_sendmsg+0xcd/0x170 [ 7158.071096][ T74] do_syscall_64+0xc6/0x1e0 [ 7158.071096][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7158.071096][ T74] [ 7158.073254][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7158.073254][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7158.073254][ T74] ipv6_find_idev+0x102/0x170 [ 7158.073254][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7158.073254][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7158.073254][ T74] netlink_rcv_skb+0x130/0x360 [ 7158.073254][ T74] netlink_unicast+0x449/0x710 [ 7158.073254][ T74] netlink_sendmsg+0x723/0xbe0 [ 7158.073254][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7158.073254][ T74] ___sys_sendmsg+0xee/0x170 [ 7158.073254][ T74] __sys_sendmsg+0xcd/0x170 [ 7158.073254][ T74] do_syscall_64+0xc6/0x1e0 [ 7158.073254][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7158.073254][ T74] [ 7158.074908][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7158.074908][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7158.074908][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7158.074908][ T74] ipv6_find_idev+0x102/0x170 [ 7158.074908][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7158.074908][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7158.074908][ T74] netlink_rcv_skb+0x130/0x360 [ 7158.074908][ T74] netlink_unicast+0x449/0x710 [ 7158.074908][ T74] netlink_sendmsg+0x723/0xbe0 [ 7158.074908][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7158.074908][ T74] ___sys_sendmsg+0xee/0x170 [ 7158.074908][ T74] __sys_sendmsg+0xcd/0x170 [ 7158.074908][ T74] do_syscall_64+0xc6/0x1e0 [ 7158.074908][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7158.074908][ T74] [ 7168.311964][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 7168.312388][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7168.312388][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 7168.312388][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 7168.312388][ T74] fib6_nh_init+0xa22/0x1580 [ 7168.312388][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7168.312388][ T74] ip6_route_add+0x1c/0x140 [ 7168.312388][ T74] inet6_rtm_newroute+0x104/0x110 [ 7168.312388][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7168.312388][ T74] netlink_rcv_skb+0x130/0x360 [ 7168.312388][ T74] netlink_unicast+0x449/0x710 [ 7168.312388][ T74] netlink_sendmsg+0x723/0xbe0 [ 7168.312388][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7168.312388][ T74] ___sys_sendmsg+0xee/0x170 [ 7168.312388][ T74] __sys_sendmsg+0xcd/0x170 [ 7168.312388][ T74] do_syscall_64+0xc6/0x1e0 [ 7168.312388][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7168.312388][ T74] [ 7168.314303][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7168.314303][ T74] netdev_get_by_index+0x5e/0x80 [ 7168.314303][ T74] fib6_nh_init+0x3d8/0x1580 [ 7168.314303][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7168.314303][ T74] addrconf_f6i_alloc+0x265/0x560 [ 7168.314303][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7168.314303][ T74] addrconf_join_anycast+0x1c0/0x220 [ 7168.314303][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7168.314303][ T74] addrconf_dad_completed+0x12b/0xe20 [ 7168.314303][ T74] addrconf_dad_begin+0x310/0x670 [ 7168.314303][ T74] addrconf_dad_work+0x10b/0xab0 [ 7168.314303][ T74] process_one_work+0x84d/0x18a0 [ 7168.314303][ T74] worker_thread+0x587/0xd30 [ 7168.314303][ T74] kthread+0x28a/0x350 [ 7168.314303][ T74] ret_from_fork+0x31/0x70 [ 7168.314303][ T74] ret_from_fork_asm+0x1a/0x30 [ 7168.314303][ T74] [ 7168.316235][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7168.316235][ T74] netdev_get_by_index+0x5e/0x80 [ 7168.316235][ T74] fib6_nh_init+0x3d8/0x1580 [ 7168.316235][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7168.316235][ T74] ip6_route_add+0x1c/0x140 [ 7168.316235][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7168.316235][ T74] inet6_addr_add+0x4f8/0xa40 [ 7168.316235][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7168.316235][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7168.316235][ T74] netlink_rcv_skb+0x130/0x360 [ 7168.316235][ T74] netlink_unicast+0x449/0x710 [ 7168.316235][ T74] netlink_sendmsg+0x723/0xbe0 [ 7168.316235][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7168.316235][ T74] ___sys_sendmsg+0xee/0x170 [ 7168.316235][ T74] __sys_sendmsg+0xcd/0x170 [ 7168.316235][ T74] do_syscall_64+0xc6/0x1e0 [ 7168.316235][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7168.316235][ T74] [ 7168.318231][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7168.318231][ T74] netdev_get_by_index+0x5e/0x80 [ 7168.318231][ T74] fib6_nh_init+0x3d8/0x1580 [ 7168.318231][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7168.318231][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7168.318231][ T74] ipv6_add_addr+0x411/0x2000 [ 7168.318231][ T74] inet6_addr_add+0x30e/0xa40 [ 7168.318231][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7168.318231][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7168.318231][ T74] netlink_rcv_skb+0x130/0x360 [ 7168.318231][ T74] netlink_unicast+0x449/0x710 [ 7168.318231][ T74] netlink_sendmsg+0x723/0xbe0 [ 7168.318231][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7168.318231][ T74] ___sys_sendmsg+0xee/0x170 [ 7168.318231][ T74] __sys_sendmsg+0xcd/0x170 [ 7168.318231][ T74] do_syscall_64+0xc6/0x1e0 [ 7168.318231][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7168.318231][ T74] [ 7168.320234][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7168.320234][ T74] netdev_get_by_index+0x5e/0x80 [ 7168.320234][ T74] fib6_nh_init+0x3d8/0x1580 [ 7168.320234][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7168.320234][ T74] ip6_route_add+0x1c/0x140 [ 7168.320234][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 7168.320234][ T74] addrconf_add_dev+0xe2/0x170 [ 7168.320234][ T74] inet6_addr_add+0x12f/0xa40 [ 7168.320234][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7168.320234][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7168.320234][ T74] netlink_rcv_skb+0x130/0x360 [ 7168.320234][ T74] netlink_unicast+0x449/0x710 [ 7168.320234][ T74] netlink_sendmsg+0x723/0xbe0 [ 7168.320234][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7168.320234][ T74] ___sys_sendmsg+0xee/0x170 [ 7168.320234][ T74] __sys_sendmsg+0xcd/0x170 [ 7168.320234][ T74] do_syscall_64+0xc6/0x1e0 [ 7168.320234][ T74] [ 7168.322189][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7168.322189][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7168.322189][ T74] ipv6_find_idev+0x102/0x170 [ 7168.322189][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7168.322189][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7168.322189][ T74] netlink_rcv_skb+0x130/0x360 [ 7168.322189][ T74] netlink_unicast+0x449/0x710 [ 7168.322189][ T74] netlink_sendmsg+0x723/0xbe0 [ 7168.322189][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7168.322189][ T74] ___sys_sendmsg+0xee/0x170 [ 7168.322189][ T74] __sys_sendmsg+0xcd/0x170 [ 7168.322189][ T74] do_syscall_64+0xc6/0x1e0 [ 7168.322189][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7168.322189][ T74] [ 7168.323734][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7168.323734][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7168.323734][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7168.323734][ T74] ipv6_find_idev+0x102/0x170 [ 7168.323734][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7168.323734][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7168.323734][ T74] netlink_rcv_skb+0x130/0x360 [ 7168.323734][ T74] netlink_unicast+0x449/0x710 [ 7168.323734][ T74] netlink_sendmsg+0x723/0xbe0 [ 7168.323734][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7168.323734][ T74] ___sys_sendmsg+0xee/0x170 [ 7168.323734][ T74] __sys_sendmsg+0xcd/0x170 [ 7168.323734][ T74] do_syscall_64+0xc6/0x1e0 [ 7168.323734][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7168.323734][ T74] [ 7168.325441][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 7168.325710][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 7168.325710][ T74] dst_init+0x84/0x4a0 [ 7168.325710][ T74] dst_alloc+0x97/0x150 [ 7168.325710][ T74] ip6_dst_alloc+0x23/0x90 [ 7168.325710][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7168.325710][ T74] ip6_pol_route+0x56f/0x840 [ 7168.325710][ T74] fib6_rule_lookup+0x456/0x630 [ 7168.325710][ T74] ip6_route_input+0x59c/0xa50 [ 7168.325710][ T74] ipv6_rcv+0x397/0x810 [ 7168.325710][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 7168.325710][ T74] process_backlog+0x101/0x620 [ 7168.325710][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 7168.325710][ T74] net_rx_action+0x495/0xbe0 [ 7168.325710][ T74] __do_softirq+0x1b5/0x7f6 [ 7168.325710][ T74] [ 7168.327369][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7168.327369][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 7168.327369][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 7168.327369][ T74] fib6_nh_init+0xa22/0x1580 [ 7168.327369][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7168.327369][ T74] ip6_route_add+0x1c/0x140 [ 7168.327369][ T74] inet6_rtm_newroute+0x104/0x110 [ 7168.327369][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7168.327369][ T74] netlink_rcv_skb+0x130/0x360 [ 7168.327369][ T74] netlink_unicast+0x449/0x710 [ 7168.327369][ T74] netlink_sendmsg+0x723/0xbe0 [ 7168.327369][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7168.327369][ T74] ___sys_sendmsg+0xee/0x170 [ 7168.327369][ T74] __sys_sendmsg+0xcd/0x170 [ 7168.327369][ T74] do_syscall_64+0xc6/0x1e0 [ 7168.327369][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7168.327369][ T74] [ 7168.329243][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7168.329243][ T74] netdev_get_by_index+0x5e/0x80 [ 7168.329243][ T74] fib6_nh_init+0x3d8/0x1580 [ 7168.329243][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7168.329243][ T74] addrconf_f6i_alloc+0x265/0x560 [ 7168.329243][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7168.329243][ T74] addrconf_join_anycast+0x1c0/0x220 [ 7168.329243][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7168.329243][ T74] addrconf_dad_completed+0x12b/0xe20 [ 7168.329243][ T74] addrconf_dad_begin+0x310/0x670 [ 7168.329243][ T74] addrconf_dad_work+0x10b/0xab0 [ 7168.329243][ T74] process_one_work+0x84d/0x18a0 [ 7168.329243][ T74] worker_thread+0x587/0xd30 [ 7168.329243][ T74] kthread+0x28a/0x350 [ 7168.329243][ T74] ret_from_fork+0x31/0x70 [ 7168.329243][ T74] ret_from_fork_asm+0x1a/0x30 [ 7168.329243][ T74] [ 7168.331145][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7168.331145][ T74] netdev_get_by_index+0x5e/0x80 [ 7168.331145][ T74] fib6_nh_init+0x3d8/0x1580 [ 7168.331145][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7168.331145][ T74] ip6_route_add+0x1c/0x140 [ 7168.331145][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7168.331145][ T74] inet6_addr_add+0x4f8/0xa40 [ 7168.331145][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7168.331145][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7168.331145][ T74] netlink_rcv_skb+0x130/0x360 [ 7168.331145][ T74] netlink_unicast+0x449/0x710 [ 7168.331145][ T74] netlink_sendmsg+0x723/0xbe0 [ 7168.331145][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7168.331145][ T74] ___sys_sendmsg+0xee/0x170 [ 7168.331145][ T74] __sys_sendmsg+0xcd/0x170 [ 7168.331145][ T74] do_syscall_64+0xc6/0x1e0 [ 7168.331145][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7168.331145][ T74] [ 7168.333135][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7168.333135][ T74] netdev_get_by_index+0x5e/0x80 [ 7168.333135][ T74] fib6_nh_init+0x3d8/0x1580 [ 7168.333135][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7168.333135][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7168.333135][ T74] ipv6_add_addr+0x411/0x2000 [ 7168.333135][ T74] inet6_addr_add+0x30e/0xa40 [ 7168.333135][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7168.333135][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7168.333135][ T74] netlink_rcv_skb+0x130/0x360 [ 7168.333135][ T74] netlink_unicast+0x449/0x710 [ 7168.333135][ T74] netlink_sendmsg+0x723/0xbe0 [ 7168.333135][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7168.333135][ T74] ___sys_sendmsg+0xee/0x170 [ 7168.333135][ T74] __sys_sendmsg+0xcd/0x170 [ 7168.333135][ T74] do_syscall_64+0xc6/0x1e0 [ 7168.333135][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7168.333135][ T74] [ 7168.335123][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7168.335123][ T74] netdev_get_by_index+0x5e/0x80 [ 7168.335123][ T74] fib6_nh_init+0x3d8/0x1580 [ 7168.335123][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7168.335123][ T74] ip6_route_add+0x1c/0x140 [ 7168.335123][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 7168.335123][ T74] addrconf_add_dev+0xe2/0x170 [ 7168.335123][ T74] inet6_addr_add+0x12f/0xa40 [ 7168.335123][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7168.335123][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7168.335123][ T74] netlink_rcv_skb+0x130/0x360 [ 7168.335123][ T74] netlink_unicast+0x449/0x710 [ 7168.335123][ T74] netlink_sendmsg+0x723/0xbe0 [ 7168.335123][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7168.335123][ T74] ___sys_sendmsg+0xee/0x170 [ 7168.335123][ T74] __sys_sendmsg+0xcd/0x170 [ 7168.335123][ T74] do_syscall_64+0xc6/0x1e0 [ 7168.335123][ T74] [ 7168.337081][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7168.337081][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7168.337081][ T74] ipv6_find_idev+0x102/0x170 [ 7168.337081][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7168.337081][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7168.337081][ T74] netlink_rcv_skb+0x130/0x360 [ 7168.337081][ T74] netlink_unicast+0x449/0x710 [ 7168.337081][ T74] netlink_sendmsg+0x723/0xbe0 [ 7168.337081][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7168.337081][ T74] ___sys_sendmsg+0xee/0x170 [ 7168.337081][ T74] __sys_sendmsg+0xcd/0x170 [ 7168.337081][ T74] do_syscall_64+0xc6/0x1e0 [ 7168.337081][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7168.337081][ T74] [ 7168.338742][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7168.338742][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7168.338742][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7168.338742][ T74] ipv6_find_idev+0x102/0x170 [ 7168.338742][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7168.338742][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7168.338742][ T74] netlink_rcv_skb+0x130/0x360 [ 7168.338742][ T74] netlink_unicast+0x449/0x710 [ 7168.338742][ T74] netlink_sendmsg+0x723/0xbe0 [ 7168.338742][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7168.338742][ T74] ___sys_sendmsg+0xee/0x170 [ 7168.338742][ T74] __sys_sendmsg+0xcd/0x170 [ 7168.338742][ T74] do_syscall_64+0xc6/0x1e0 [ 7168.338742][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7168.338742][ T74] [ 7168.340607][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 7168.340914][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7168.340914][ T74] netdev_get_by_index+0x5e/0x80 [ 7168.340914][ T74] fib6_nh_init+0x3d8/0x1580 [ 7168.340914][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7168.340914][ T74] ip6_route_add+0x1c/0x140 [ 7168.340914][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7168.340914][ T74] inet6_addr_add+0x4f8/0xa40 [ 7168.340914][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7168.340914][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7168.340914][ T74] netlink_rcv_skb+0x130/0x360 [ 7168.340914][ T74] netlink_unicast+0x449/0x710 [ 7168.340914][ T74] netlink_sendmsg+0x723/0xbe0 [ 7168.340914][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7168.340914][ T74] ___sys_sendmsg+0xee/0x170 [ 7168.340914][ T74] __sys_sendmsg+0xcd/0x170 [ 7168.340914][ T74] do_syscall_64+0xc6/0x1e0 [ 7168.340914][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7168.340914][ T74] [ 7168.343101][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7168.343101][ T74] netdev_get_by_index+0x5e/0x80 [ 7168.343101][ T74] fib6_nh_init+0x3d8/0x1580 [ 7168.343101][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7168.343101][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7168.343101][ T74] ipv6_add_addr+0x411/0x2000 [ 7168.343101][ T74] inet6_addr_add+0x30e/0xa40 [ 7168.343101][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7168.343101][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7168.343101][ T74] netlink_rcv_skb+0x130/0x360 [ 7168.343101][ T74] netlink_unicast+0x449/0x710 [ 7168.343101][ T74] netlink_sendmsg+0x723/0xbe0 [ 7168.343101][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7168.343101][ T74] ___sys_sendmsg+0xee/0x170 [ 7168.343101][ T74] __sys_sendmsg+0xcd/0x170 [ 7168.343101][ T74] do_syscall_64+0xc6/0x1e0 [ 7168.343101][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7168.343101][ T74] [ 7168.345273][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7168.345273][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7168.345273][ T74] ipv6_find_idev+0x102/0x170 [ 7168.345273][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7168.345273][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7168.345273][ T74] netlink_rcv_skb+0x130/0x360 [ 7168.345273][ T74] netlink_unicast+0x449/0x710 [ 7168.345273][ T74] netlink_sendmsg+0x723/0xbe0 [ 7168.345273][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7168.345273][ T74] ___sys_sendmsg+0xee/0x170 [ 7168.345273][ T74] __sys_sendmsg+0xcd/0x170 [ 7168.345273][ T74] do_syscall_64+0xc6/0x1e0 [ 7168.345273][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7168.345273][ T74] [ 7168.347041][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7168.347041][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7168.347041][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7168.347041][ T74] ipv6_find_idev+0x102/0x170 [ 7168.347041][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7168.347041][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7168.347041][ T74] netlink_rcv_skb+0x130/0x360 [ 7168.347041][ T74] netlink_unicast+0x449/0x710 [ 7168.347041][ T74] netlink_sendmsg+0x723/0xbe0 [ 7168.347041][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7168.347041][ T74] ___sys_sendmsg+0xee/0x170 [ 7168.347041][ T74] __sys_sendmsg+0xcd/0x170 [ 7168.347041][ T74] do_syscall_64+0xc6/0x1e0 [ 7168.347041][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7168.347041][ T74] [ 7178.431959][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 7178.432370][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7178.432370][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 7178.432370][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 7178.432370][ T74] fib6_nh_init+0xa22/0x1580 [ 7178.432370][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7178.432370][ T74] ip6_route_add+0x1c/0x140 [ 7178.432370][ T74] inet6_rtm_newroute+0x104/0x110 [ 7178.432370][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7178.432370][ T74] netlink_rcv_skb+0x130/0x360 [ 7178.432370][ T74] netlink_unicast+0x449/0x710 [ 7178.432370][ T74] netlink_sendmsg+0x723/0xbe0 [ 7178.432370][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7178.432370][ T74] ___sys_sendmsg+0xee/0x170 [ 7178.432370][ T74] __sys_sendmsg+0xcd/0x170 [ 7178.432370][ T74] do_syscall_64+0xc6/0x1e0 [ 7178.432370][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7178.432370][ T74] [ 7178.434273][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7178.434273][ T74] netdev_get_by_index+0x5e/0x80 [ 7178.434273][ T74] fib6_nh_init+0x3d8/0x1580 [ 7178.434273][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7178.434273][ T74] addrconf_f6i_alloc+0x265/0x560 [ 7178.434273][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7178.434273][ T74] addrconf_join_anycast+0x1c0/0x220 [ 7178.434273][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7178.434273][ T74] addrconf_dad_completed+0x12b/0xe20 [ 7178.434273][ T74] addrconf_dad_begin+0x310/0x670 [ 7178.434273][ T74] addrconf_dad_work+0x10b/0xab0 [ 7178.434273][ T74] process_one_work+0x84d/0x18a0 [ 7178.434273][ T74] worker_thread+0x587/0xd30 [ 7178.434273][ T74] kthread+0x28a/0x350 [ 7178.434273][ T74] ret_from_fork+0x31/0x70 [ 7178.434273][ T74] ret_from_fork_asm+0x1a/0x30 [ 7178.434273][ T74] [ 7178.436191][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7178.436191][ T74] netdev_get_by_index+0x5e/0x80 [ 7178.436191][ T74] fib6_nh_init+0x3d8/0x1580 [ 7178.436191][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7178.436191][ T74] ip6_route_add+0x1c/0x140 [ 7178.436191][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7178.436191][ T74] inet6_addr_add+0x4f8/0xa40 [ 7178.436191][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7178.436191][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7178.436191][ T74] netlink_rcv_skb+0x130/0x360 [ 7178.436191][ T74] netlink_unicast+0x449/0x710 [ 7178.436191][ T74] netlink_sendmsg+0x723/0xbe0 [ 7178.436191][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7178.436191][ T74] ___sys_sendmsg+0xee/0x170 [ 7178.436191][ T74] __sys_sendmsg+0xcd/0x170 [ 7178.436191][ T74] do_syscall_64+0xc6/0x1e0 [ 7178.436191][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7178.436191][ T74] [ 7178.438193][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7178.438193][ T74] netdev_get_by_index+0x5e/0x80 [ 7178.438193][ T74] fib6_nh_init+0x3d8/0x1580 [ 7178.438193][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7178.438193][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7178.438193][ T74] ipv6_add_addr+0x411/0x2000 [ 7178.438193][ T74] inet6_addr_add+0x30e/0xa40 [ 7178.438193][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7178.438193][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7178.438193][ T74] netlink_rcv_skb+0x130/0x360 [ 7178.438193][ T74] netlink_unicast+0x449/0x710 [ 7178.438193][ T74] netlink_sendmsg+0x723/0xbe0 [ 7178.438193][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7178.438193][ T74] ___sys_sendmsg+0xee/0x170 [ 7178.438193][ T74] __sys_sendmsg+0xcd/0x170 [ 7178.438193][ T74] do_syscall_64+0xc6/0x1e0 [ 7178.438193][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7178.438193][ T74] [ 7178.440185][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7178.440185][ T74] netdev_get_by_index+0x5e/0x80 [ 7178.440185][ T74] fib6_nh_init+0x3d8/0x1580 [ 7178.440185][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7178.440185][ T74] ip6_route_add+0x1c/0x140 [ 7178.440185][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 7178.440185][ T74] addrconf_add_dev+0xe2/0x170 [ 7178.440185][ T74] inet6_addr_add+0x12f/0xa40 [ 7178.440185][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7178.440185][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7178.440185][ T74] netlink_rcv_skb+0x130/0x360 [ 7178.440185][ T74] netlink_unicast+0x449/0x710 [ 7178.440185][ T74] netlink_sendmsg+0x723/0xbe0 [ 7178.440185][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7178.440185][ T74] ___sys_sendmsg+0xee/0x170 [ 7178.440185][ T74] __sys_sendmsg+0xcd/0x170 [ 7178.440185][ T74] do_syscall_64+0xc6/0x1e0 [ 7178.440185][ T74] [ 7178.442146][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7178.442146][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7178.442146][ T74] ipv6_find_idev+0x102/0x170 [ 7178.442146][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7178.442146][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7178.442146][ T74] netlink_rcv_skb+0x130/0x360 [ 7178.442146][ T74] netlink_unicast+0x449/0x710 [ 7178.442146][ T74] netlink_sendmsg+0x723/0xbe0 [ 7178.442146][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7178.442146][ T74] ___sys_sendmsg+0xee/0x170 [ 7178.442146][ T74] __sys_sendmsg+0xcd/0x170 [ 7178.442146][ T74] do_syscall_64+0xc6/0x1e0 [ 7178.442146][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7178.442146][ T74] [ 7178.443685][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7178.443685][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7178.443685][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7178.443685][ T74] ipv6_find_idev+0x102/0x170 [ 7178.443685][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7178.443685][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7178.443685][ T74] netlink_rcv_skb+0x130/0x360 [ 7178.443685][ T74] netlink_unicast+0x449/0x710 [ 7178.443685][ T74] netlink_sendmsg+0x723/0xbe0 [ 7178.443685][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7178.443685][ T74] ___sys_sendmsg+0xee/0x170 [ 7178.443685][ T74] __sys_sendmsg+0xcd/0x170 [ 7178.443685][ T74] do_syscall_64+0xc6/0x1e0 [ 7178.443685][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7178.443685][ T74] [ 7178.445373][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 7178.445646][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 7178.445646][ T74] dst_init+0x84/0x4a0 [ 7178.445646][ T74] dst_alloc+0x97/0x150 [ 7178.445646][ T74] ip6_dst_alloc+0x23/0x90 [ 7178.445646][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7178.445646][ T74] ip6_pol_route+0x56f/0x840 [ 7178.445646][ T74] fib6_rule_lookup+0x456/0x630 [ 7178.445646][ T74] ip6_route_input+0x59c/0xa50 [ 7178.445646][ T74] ipv6_rcv+0x397/0x810 [ 7178.445646][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 7178.445646][ T74] process_backlog+0x101/0x620 [ 7178.445646][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 7178.445646][ T74] net_rx_action+0x495/0xbe0 [ 7178.445646][ T74] __do_softirq+0x1b5/0x7f6 [ 7178.445646][ T74] [ 7178.447286][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7178.447286][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 7178.447286][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 7178.447286][ T74] fib6_nh_init+0xa22/0x1580 [ 7178.447286][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7178.447286][ T74] ip6_route_add+0x1c/0x140 [ 7178.447286][ T74] inet6_rtm_newroute+0x104/0x110 [ 7178.447286][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7178.447286][ T74] netlink_rcv_skb+0x130/0x360 [ 7178.447286][ T74] netlink_unicast+0x449/0x710 [ 7178.447286][ T74] netlink_sendmsg+0x723/0xbe0 [ 7178.447286][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7178.447286][ T74] ___sys_sendmsg+0xee/0x170 [ 7178.447286][ T74] __sys_sendmsg+0xcd/0x170 [ 7178.447286][ T74] do_syscall_64+0xc6/0x1e0 [ 7178.447286][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7178.447286][ T74] [ 7178.449158][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7178.449158][ T74] netdev_get_by_index+0x5e/0x80 [ 7178.449158][ T74] fib6_nh_init+0x3d8/0x1580 [ 7178.449158][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7178.449158][ T74] addrconf_f6i_alloc+0x265/0x560 [ 7178.449158][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7178.449158][ T74] addrconf_join_anycast+0x1c0/0x220 [ 7178.449158][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7178.449158][ T74] addrconf_dad_completed+0x12b/0xe20 [ 7178.449158][ T74] addrconf_dad_begin+0x310/0x670 [ 7178.449158][ T74] addrconf_dad_work+0x10b/0xab0 [ 7178.449158][ T74] process_one_work+0x84d/0x18a0 [ 7178.449158][ T74] worker_thread+0x587/0xd30 [ 7178.449158][ T74] kthread+0x28a/0x350 [ 7178.449158][ T74] ret_from_fork+0x31/0x70 [ 7178.449158][ T74] ret_from_fork_asm+0x1a/0x30 [ 7178.449158][ T74] [ 7178.451061][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7178.451061][ T74] netdev_get_by_index+0x5e/0x80 [ 7178.451061][ T74] fib6_nh_init+0x3d8/0x1580 [ 7178.451061][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7178.451061][ T74] ip6_route_add+0x1c/0x140 [ 7178.451061][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7178.451061][ T74] inet6_addr_add+0x4f8/0xa40 [ 7178.451061][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7178.451061][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7178.451061][ T74] netlink_rcv_skb+0x130/0x360 [ 7178.451061][ T74] netlink_unicast+0x449/0x710 [ 7178.451061][ T74] netlink_sendmsg+0x723/0xbe0 [ 7178.451061][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7178.451061][ T74] ___sys_sendmsg+0xee/0x170 [ 7178.451061][ T74] __sys_sendmsg+0xcd/0x170 [ 7178.451061][ T74] do_syscall_64+0xc6/0x1e0 [ 7178.451061][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7178.451061][ T74] [ 7178.453070][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7178.453070][ T74] netdev_get_by_index+0x5e/0x80 [ 7178.453070][ T74] fib6_nh_init+0x3d8/0x1580 [ 7178.453070][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7178.453070][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7178.453070][ T74] ipv6_add_addr+0x411/0x2000 [ 7178.453070][ T74] inet6_addr_add+0x30e/0xa40 [ 7178.453070][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7178.453070][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7178.453070][ T74] netlink_rcv_skb+0x130/0x360 [ 7178.453070][ T74] netlink_unicast+0x449/0x710 [ 7178.453070][ T74] netlink_sendmsg+0x723/0xbe0 [ 7178.453070][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7178.453070][ T74] ___sys_sendmsg+0xee/0x170 [ 7178.453070][ T74] __sys_sendmsg+0xcd/0x170 [ 7178.453070][ T74] do_syscall_64+0xc6/0x1e0 [ 7178.453070][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7178.453070][ T74] [ 7178.455065][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7178.455065][ T74] netdev_get_by_index+0x5e/0x80 [ 7178.455065][ T74] fib6_nh_init+0x3d8/0x1580 [ 7178.455065][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7178.455065][ T74] ip6_route_add+0x1c/0x140 [ 7178.455065][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 7178.455065][ T74] addrconf_add_dev+0xe2/0x170 [ 7178.455065][ T74] inet6_addr_add+0x12f/0xa40 [ 7178.455065][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7178.455065][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7178.455065][ T74] netlink_rcv_skb+0x130/0x360 [ 7178.455065][ T74] netlink_unicast+0x449/0x710 [ 7178.455065][ T74] netlink_sendmsg+0x723/0xbe0 [ 7178.455065][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7178.455065][ T74] ___sys_sendmsg+0xee/0x170 [ 7178.455065][ T74] __sys_sendmsg+0xcd/0x170 [ 7178.455065][ T74] do_syscall_64+0xc6/0x1e0 [ 7178.455065][ T74] [ 7178.457022][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7178.457022][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7178.457022][ T74] ipv6_find_idev+0x102/0x170 [ 7178.457022][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7178.457022][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7178.457022][ T74] netlink_rcv_skb+0x130/0x360 [ 7178.457022][ T74] netlink_unicast+0x449/0x710 [ 7178.457022][ T74] netlink_sendmsg+0x723/0xbe0 [ 7178.457022][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7178.457022][ T74] ___sys_sendmsg+0xee/0x170 [ 7178.457022][ T74] __sys_sendmsg+0xcd/0x170 [ 7178.457022][ T74] do_syscall_64+0xc6/0x1e0 [ 7178.457022][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7178.457022][ T74] [ 7178.458665][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7178.458665][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7178.458665][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7178.458665][ T74] ipv6_find_idev+0x102/0x170 [ 7178.458665][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7178.458665][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7178.458665][ T74] netlink_rcv_skb+0x130/0x360 [ 7178.458665][ T74] netlink_unicast+0x449/0x710 [ 7178.458665][ T74] netlink_sendmsg+0x723/0xbe0 [ 7178.458665][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7178.458665][ T74] ___sys_sendmsg+0xee/0x170 [ 7178.458665][ T74] __sys_sendmsg+0xcd/0x170 [ 7178.458665][ T74] do_syscall_64+0xc6/0x1e0 [ 7178.458665][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7178.458665][ T74] [ 7178.460593][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 7178.460899][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7178.460899][ T74] netdev_get_by_index+0x5e/0x80 [ 7178.460899][ T74] fib6_nh_init+0x3d8/0x1580 [ 7178.460899][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7178.460899][ T74] ip6_route_add+0x1c/0x140 [ 7178.460899][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7178.460899][ T74] inet6_addr_add+0x4f8/0xa40 [ 7178.460899][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7178.460899][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7178.460899][ T74] netlink_rcv_skb+0x130/0x360 [ 7178.460899][ T74] netlink_unicast+0x449/0x710 [ 7178.460899][ T74] netlink_sendmsg+0x723/0xbe0 [ 7178.460899][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7178.460899][ T74] ___sys_sendmsg+0xee/0x170 [ 7178.460899][ T74] __sys_sendmsg+0xcd/0x170 [ 7178.460899][ T74] do_syscall_64+0xc6/0x1e0 [ 7178.460899][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7178.460899][ T74] [ 7178.463073][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7178.463073][ T74] netdev_get_by_index+0x5e/0x80 [ 7178.463073][ T74] fib6_nh_init+0x3d8/0x1580 [ 7178.463073][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7178.463073][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7178.463073][ T74] ipv6_add_addr+0x411/0x2000 [ 7178.463073][ T74] inet6_addr_add+0x30e/0xa40 [ 7178.463073][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7178.463073][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7178.463073][ T74] netlink_rcv_skb+0x130/0x360 [ 7178.463073][ T74] netlink_unicast+0x449/0x710 [ 7178.463073][ T74] netlink_sendmsg+0x723/0xbe0 [ 7178.463073][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7178.463073][ T74] ___sys_sendmsg+0xee/0x170 [ 7178.463073][ T74] __sys_sendmsg+0xcd/0x170 [ 7178.463073][ T74] do_syscall_64+0xc6/0x1e0 [ 7178.463073][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7178.463073][ T74] [ 7178.465245][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7178.465245][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7178.465245][ T74] ipv6_find_idev+0x102/0x170 [ 7178.465245][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7178.465245][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7178.465245][ T74] netlink_rcv_skb+0x130/0x360 [ 7178.465245][ T74] netlink_unicast+0x449/0x710 [ 7178.465245][ T74] netlink_sendmsg+0x723/0xbe0 [ 7178.465245][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7178.465245][ T74] ___sys_sendmsg+0xee/0x170 [ 7178.465245][ T74] __sys_sendmsg+0xcd/0x170 [ 7178.465245][ T74] do_syscall_64+0xc6/0x1e0 [ 7178.465245][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7178.465245][ T74] [ 7178.466958][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7178.466958][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7178.466958][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7178.466958][ T74] ipv6_find_idev+0x102/0x170 [ 7178.466958][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7178.466958][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7178.466958][ T74] netlink_rcv_skb+0x130/0x360 [ 7178.466958][ T74] netlink_unicast+0x449/0x710 [ 7178.466958][ T74] netlink_sendmsg+0x723/0xbe0 [ 7178.466958][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7178.466958][ T74] ___sys_sendmsg+0xee/0x170 [ 7178.466958][ T74] __sys_sendmsg+0xcd/0x170 [ 7178.466958][ T74] do_syscall_64+0xc6/0x1e0 [ 7178.466958][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7178.466958][ T74] [ 7188.703950][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 7188.704363][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7188.704363][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 7188.704363][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 7188.704363][ T74] fib6_nh_init+0xa22/0x1580 [ 7188.704363][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7188.704363][ T74] ip6_route_add+0x1c/0x140 [ 7188.704363][ T74] inet6_rtm_newroute+0x104/0x110 [ 7188.704363][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7188.704363][ T74] netlink_rcv_skb+0x130/0x360 [ 7188.704363][ T74] netlink_unicast+0x449/0x710 [ 7188.704363][ T74] netlink_sendmsg+0x723/0xbe0 [ 7188.704363][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7188.704363][ T74] ___sys_sendmsg+0xee/0x170 [ 7188.704363][ T74] __sys_sendmsg+0xcd/0x170 [ 7188.704363][ T74] do_syscall_64+0xc6/0x1e0 [ 7188.704363][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7188.704363][ T74] [ 7188.706312][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7188.706312][ T74] netdev_get_by_index+0x5e/0x80 [ 7188.706312][ T74] fib6_nh_init+0x3d8/0x1580 [ 7188.706312][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7188.706312][ T74] addrconf_f6i_alloc+0x265/0x560 [ 7188.706312][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7188.706312][ T74] addrconf_join_anycast+0x1c0/0x220 [ 7188.706312][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7188.706312][ T74] addrconf_dad_completed+0x12b/0xe20 [ 7188.706312][ T74] addrconf_dad_begin+0x310/0x670 [ 7188.706312][ T74] addrconf_dad_work+0x10b/0xab0 [ 7188.706312][ T74] process_one_work+0x84d/0x18a0 [ 7188.706312][ T74] worker_thread+0x587/0xd30 [ 7188.706312][ T74] kthread+0x28a/0x350 [ 7188.706312][ T74] ret_from_fork+0x31/0x70 [ 7188.706312][ T74] ret_from_fork_asm+0x1a/0x30 [ 7188.706312][ T74] [ 7188.708222][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7188.708222][ T74] netdev_get_by_index+0x5e/0x80 [ 7188.708222][ T74] fib6_nh_init+0x3d8/0x1580 [ 7188.708222][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7188.708222][ T74] ip6_route_add+0x1c/0x140 [ 7188.708222][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7188.708222][ T74] inet6_addr_add+0x4f8/0xa40 [ 7188.708222][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7188.708222][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7188.708222][ T74] netlink_rcv_skb+0x130/0x360 [ 7188.708222][ T74] netlink_unicast+0x449/0x710 [ 7188.708222][ T74] netlink_sendmsg+0x723/0xbe0 [ 7188.708222][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7188.708222][ T74] ___sys_sendmsg+0xee/0x170 [ 7188.708222][ T74] __sys_sendmsg+0xcd/0x170 [ 7188.708222][ T74] do_syscall_64+0xc6/0x1e0 [ 7188.708222][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7188.708222][ T74] [ 7188.710217][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7188.710217][ T74] netdev_get_by_index+0x5e/0x80 [ 7188.710217][ T74] fib6_nh_init+0x3d8/0x1580 [ 7188.710217][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7188.710217][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7188.710217][ T74] ipv6_add_addr+0x411/0x2000 [ 7188.710217][ T74] inet6_addr_add+0x30e/0xa40 [ 7188.710217][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7188.710217][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7188.710217][ T74] netlink_rcv_skb+0x130/0x360 [ 7188.710217][ T74] netlink_unicast+0x449/0x710 [ 7188.710217][ T74] netlink_sendmsg+0x723/0xbe0 [ 7188.710217][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7188.710217][ T74] ___sys_sendmsg+0xee/0x170 [ 7188.710217][ T74] __sys_sendmsg+0xcd/0x170 [ 7188.710217][ T74] do_syscall_64+0xc6/0x1e0 [ 7188.710217][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7188.710217][ T74] [ 7188.712214][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7188.712214][ T74] netdev_get_by_index+0x5e/0x80 [ 7188.712214][ T74] fib6_nh_init+0x3d8/0x1580 [ 7188.712214][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7188.712214][ T74] ip6_route_add+0x1c/0x140 [ 7188.712214][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 7188.712214][ T74] addrconf_add_dev+0xe2/0x170 [ 7188.712214][ T74] inet6_addr_add+0x12f/0xa40 [ 7188.712214][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7188.712214][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7188.712214][ T74] netlink_rcv_skb+0x130/0x360 [ 7188.712214][ T74] netlink_unicast+0x449/0x710 [ 7188.712214][ T74] netlink_sendmsg+0x723/0xbe0 [ 7188.712214][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7188.712214][ T74] ___sys_sendmsg+0xee/0x170 [ 7188.712214][ T74] __sys_sendmsg+0xcd/0x170 [ 7188.712214][ T74] do_syscall_64+0xc6/0x1e0 [ 7188.712214][ T74] [ 7188.714173][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7188.714173][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7188.714173][ T74] ipv6_find_idev+0x102/0x170 [ 7188.714173][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7188.714173][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7188.714173][ T74] netlink_rcv_skb+0x130/0x360 [ 7188.714173][ T74] netlink_unicast+0x449/0x710 [ 7188.714173][ T74] netlink_sendmsg+0x723/0xbe0 [ 7188.714173][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7188.714173][ T74] ___sys_sendmsg+0xee/0x170 [ 7188.714173][ T74] __sys_sendmsg+0xcd/0x170 [ 7188.714173][ T74] do_syscall_64+0xc6/0x1e0 [ 7188.714173][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7188.714173][ T74] [ 7188.715725][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7188.715725][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7188.715725][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7188.715725][ T74] ipv6_find_idev+0x102/0x170 [ 7188.715725][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7188.715725][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7188.715725][ T74] netlink_rcv_skb+0x130/0x360 [ 7188.715725][ T74] netlink_unicast+0x449/0x710 [ 7188.715725][ T74] netlink_sendmsg+0x723/0xbe0 [ 7188.715725][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7188.715725][ T74] ___sys_sendmsg+0xee/0x170 [ 7188.715725][ T74] __sys_sendmsg+0xcd/0x170 [ 7188.715725][ T74] do_syscall_64+0xc6/0x1e0 [ 7188.715725][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7188.715725][ T74] [ 7188.717401][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 7188.717669][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 7188.717669][ T74] dst_init+0x84/0x4a0 [ 7188.717669][ T74] dst_alloc+0x97/0x150 [ 7188.717669][ T74] ip6_dst_alloc+0x23/0x90 [ 7188.717669][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7188.717669][ T74] ip6_pol_route+0x56f/0x840 [ 7188.717669][ T74] fib6_rule_lookup+0x456/0x630 [ 7188.717669][ T74] ip6_route_input+0x59c/0xa50 [ 7188.717669][ T74] ipv6_rcv+0x397/0x810 [ 7188.717669][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 7188.717669][ T74] process_backlog+0x101/0x620 [ 7188.717669][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 7188.717669][ T74] net_rx_action+0x495/0xbe0 [ 7188.717669][ T74] __do_softirq+0x1b5/0x7f6 [ 7188.717669][ T74] [ 7188.719301][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7188.719301][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 7188.719301][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 7188.719301][ T74] fib6_nh_init+0xa22/0x1580 [ 7188.719301][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7188.719301][ T74] ip6_route_add+0x1c/0x140 [ 7188.719301][ T74] inet6_rtm_newroute+0x104/0x110 [ 7188.719301][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7188.719301][ T74] netlink_rcv_skb+0x130/0x360 [ 7188.719301][ T74] netlink_unicast+0x449/0x710 [ 7188.719301][ T74] netlink_sendmsg+0x723/0xbe0 [ 7188.719301][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7188.719301][ T74] ___sys_sendmsg+0xee/0x170 [ 7188.719301][ T74] __sys_sendmsg+0xcd/0x170 [ 7188.719301][ T74] do_syscall_64+0xc6/0x1e0 [ 7188.719301][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7188.719301][ T74] [ 7188.721165][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7188.721165][ T74] netdev_get_by_index+0x5e/0x80 [ 7188.721165][ T74] fib6_nh_init+0x3d8/0x1580 [ 7188.721165][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7188.721165][ T74] addrconf_f6i_alloc+0x265/0x560 [ 7188.721165][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7188.721165][ T74] addrconf_join_anycast+0x1c0/0x220 [ 7188.721165][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7188.721165][ T74] addrconf_dad_completed+0x12b/0xe20 [ 7188.721165][ T74] addrconf_dad_begin+0x310/0x670 [ 7188.721165][ T74] addrconf_dad_work+0x10b/0xab0 [ 7188.721165][ T74] process_one_work+0x84d/0x18a0 [ 7188.721165][ T74] worker_thread+0x587/0xd30 [ 7188.721165][ T74] kthread+0x28a/0x350 [ 7188.721165][ T74] ret_from_fork+0x31/0x70 [ 7188.721165][ T74] ret_from_fork_asm+0x1a/0x30 [ 7188.721165][ T74] [ 7188.723062][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7188.723062][ T74] netdev_get_by_index+0x5e/0x80 [ 7188.723062][ T74] fib6_nh_init+0x3d8/0x1580 [ 7188.723062][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7188.723062][ T74] ip6_route_add+0x1c/0x140 [ 7188.723062][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7188.723062][ T74] inet6_addr_add+0x4f8/0xa40 [ 7188.723062][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7188.723062][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7188.723062][ T74] netlink_rcv_skb+0x130/0x360 [ 7188.723062][ T74] netlink_unicast+0x449/0x710 [ 7188.723062][ T74] netlink_sendmsg+0x723/0xbe0 [ 7188.723062][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7188.723062][ T74] ___sys_sendmsg+0xee/0x170 [ 7188.723062][ T74] __sys_sendmsg+0xcd/0x170 [ 7188.723062][ T74] do_syscall_64+0xc6/0x1e0 [ 7188.723062][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7188.723062][ T74] [ 7188.725062][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7188.725062][ T74] netdev_get_by_index+0x5e/0x80 [ 7188.725062][ T74] fib6_nh_init+0x3d8/0x1580 [ 7188.725062][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7188.725062][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7188.725062][ T74] ipv6_add_addr+0x411/0x2000 [ 7188.725062][ T74] inet6_addr_add+0x30e/0xa40 [ 7188.725062][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7188.725062][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7188.725062][ T74] netlink_rcv_skb+0x130/0x360 [ 7188.725062][ T74] netlink_unicast+0x449/0x710 [ 7188.725062][ T74] netlink_sendmsg+0x723/0xbe0 [ 7188.725062][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7188.725062][ T74] ___sys_sendmsg+0xee/0x170 [ 7188.725062][ T74] __sys_sendmsg+0xcd/0x170 [ 7188.725062][ T74] do_syscall_64+0xc6/0x1e0 [ 7188.725062][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7188.725062][ T74] [ 7188.727060][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7188.727060][ T74] netdev_get_by_index+0x5e/0x80 [ 7188.727060][ T74] fib6_nh_init+0x3d8/0x1580 [ 7188.727060][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7188.727060][ T74] ip6_route_add+0x1c/0x140 [ 7188.727060][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 7188.727060][ T74] addrconf_add_dev+0xe2/0x170 [ 7188.727060][ T74] inet6_addr_add+0x12f/0xa40 [ 7188.727060][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7188.727060][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7188.727060][ T74] netlink_rcv_skb+0x130/0x360 [ 7188.727060][ T74] netlink_unicast+0x449/0x710 [ 7188.727060][ T74] netlink_sendmsg+0x723/0xbe0 [ 7188.727060][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7188.727060][ T74] ___sys_sendmsg+0xee/0x170 [ 7188.727060][ T74] __sys_sendmsg+0xcd/0x170 [ 7188.727060][ T74] do_syscall_64+0xc6/0x1e0 [ 7188.727060][ T74] [ 7188.729011][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7188.729011][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7188.729011][ T74] ipv6_find_idev+0x102/0x170 [ 7188.729011][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7188.729011][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7188.729011][ T74] netlink_rcv_skb+0x130/0x360 [ 7188.729011][ T74] netlink_unicast+0x449/0x710 [ 7188.729011][ T74] netlink_sendmsg+0x723/0xbe0 [ 7188.729011][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7188.729011][ T74] ___sys_sendmsg+0xee/0x170 [ 7188.729011][ T74] __sys_sendmsg+0xcd/0x170 [ 7188.729011][ T74] do_syscall_64+0xc6/0x1e0 [ 7188.729011][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7188.729011][ T74] [ 7188.730677][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7188.730677][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7188.730677][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7188.730677][ T74] ipv6_find_idev+0x102/0x170 [ 7188.730677][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7188.730677][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7188.730677][ T74] netlink_rcv_skb+0x130/0x360 [ 7188.730677][ T74] netlink_unicast+0x449/0x710 [ 7188.730677][ T74] netlink_sendmsg+0x723/0xbe0 [ 7188.730677][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7188.730677][ T74] ___sys_sendmsg+0xee/0x170 [ 7188.730677][ T74] __sys_sendmsg+0xcd/0x170 [ 7188.730677][ T74] do_syscall_64+0xc6/0x1e0 [ 7188.730677][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7188.730677][ T74] [ 7188.732537][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 7188.732838][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7188.732838][ T74] netdev_get_by_index+0x5e/0x80 [ 7188.732838][ T74] fib6_nh_init+0x3d8/0x1580 [ 7188.732838][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7188.732838][ T74] ip6_route_add+0x1c/0x140 [ 7188.732838][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7188.732838][ T74] inet6_addr_add+0x4f8/0xa40 [ 7188.732838][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7188.732838][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7188.732838][ T74] netlink_rcv_skb+0x130/0x360 [ 7188.732838][ T74] netlink_unicast+0x449/0x710 [ 7188.732838][ T74] netlink_sendmsg+0x723/0xbe0 [ 7188.732838][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7188.732838][ T74] ___sys_sendmsg+0xee/0x170 [ 7188.732838][ T74] __sys_sendmsg+0xcd/0x170 [ 7188.732838][ T74] do_syscall_64+0xc6/0x1e0 [ 7188.732838][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7188.732838][ T74] [ 7188.735014][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7188.735014][ T74] netdev_get_by_index+0x5e/0x80 [ 7188.735014][ T74] fib6_nh_init+0x3d8/0x1580 [ 7188.735014][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7188.735014][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7188.735014][ T74] ipv6_add_addr+0x411/0x2000 [ 7188.735014][ T74] inet6_addr_add+0x30e/0xa40 [ 7188.735014][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7188.735014][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7188.735014][ T74] netlink_rcv_skb+0x130/0x360 [ 7188.735014][ T74] netlink_unicast+0x449/0x710 [ 7188.735014][ T74] netlink_sendmsg+0x723/0xbe0 [ 7188.735014][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7188.735014][ T74] ___sys_sendmsg+0xee/0x170 [ 7188.735014][ T74] __sys_sendmsg+0xcd/0x170 [ 7188.735014][ T74] do_syscall_64+0xc6/0x1e0 [ 7188.735014][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7188.735014][ T74] [ 7188.737243][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7188.737243][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7188.737243][ T74] ipv6_find_idev+0x102/0x170 [ 7188.737243][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7188.737243][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7188.737243][ T74] netlink_rcv_skb+0x130/0x360 [ 7188.737243][ T74] netlink_unicast+0x449/0x710 [ 7188.737243][ T74] netlink_sendmsg+0x723/0xbe0 [ 7188.737243][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7188.737243][ T74] ___sys_sendmsg+0xee/0x170 [ 7188.737243][ T74] __sys_sendmsg+0xcd/0x170 [ 7188.737243][ T74] do_syscall_64+0xc6/0x1e0 [ 7188.737243][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7188.737243][ T74] [ 7188.738958][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7188.738958][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7188.738958][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7188.738958][ T74] ipv6_find_idev+0x102/0x170 [ 7188.738958][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7188.738958][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7188.738958][ T74] netlink_rcv_skb+0x130/0x360 [ 7188.738958][ T74] netlink_unicast+0x449/0x710 [ 7188.738958][ T74] netlink_sendmsg+0x723/0xbe0 [ 7188.738958][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7188.738958][ T74] ___sys_sendmsg+0xee/0x170 [ 7188.738958][ T74] __sys_sendmsg+0xcd/0x170 [ 7188.738958][ T74] do_syscall_64+0xc6/0x1e0 [ 7188.738958][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7188.738958][ T74] [ 7198.975895][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 7198.976309][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7198.976309][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 7198.976309][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 7198.976309][ T74] fib6_nh_init+0xa22/0x1580 [ 7198.976309][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7198.976309][ T74] ip6_route_add+0x1c/0x140 [ 7198.976309][ T74] inet6_rtm_newroute+0x104/0x110 [ 7198.976309][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7198.976309][ T74] netlink_rcv_skb+0x130/0x360 [ 7198.976309][ T74] netlink_unicast+0x449/0x710 [ 7198.976309][ T74] netlink_sendmsg+0x723/0xbe0 [ 7198.976309][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7198.976309][ T74] ___sys_sendmsg+0xee/0x170 [ 7198.976309][ T74] __sys_sendmsg+0xcd/0x170 [ 7198.976309][ T74] do_syscall_64+0xc6/0x1e0 [ 7198.976309][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7198.976309][ T74] [ 7198.978204][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7198.978204][ T74] netdev_get_by_index+0x5e/0x80 [ 7198.978204][ T74] fib6_nh_init+0x3d8/0x1580 [ 7198.978204][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7198.978204][ T74] addrconf_f6i_alloc+0x265/0x560 [ 7198.978204][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7198.978204][ T74] addrconf_join_anycast+0x1c0/0x220 [ 7198.978204][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7198.978204][ T74] addrconf_dad_completed+0x12b/0xe20 [ 7198.978204][ T74] addrconf_dad_begin+0x310/0x670 [ 7198.978204][ T74] addrconf_dad_work+0x10b/0xab0 [ 7198.978204][ T74] process_one_work+0x84d/0x18a0 [ 7198.978204][ T74] worker_thread+0x587/0xd30 [ 7198.978204][ T74] kthread+0x28a/0x350 [ 7198.978204][ T74] ret_from_fork+0x31/0x70 [ 7198.978204][ T74] ret_from_fork_asm+0x1a/0x30 [ 7198.978204][ T74] [ 7198.980109][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7198.980109][ T74] netdev_get_by_index+0x5e/0x80 [ 7198.980109][ T74] fib6_nh_init+0x3d8/0x1580 [ 7198.980109][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7198.980109][ T74] ip6_route_add+0x1c/0x140 [ 7198.980109][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7198.980109][ T74] inet6_addr_add+0x4f8/0xa40 [ 7198.980109][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7198.980109][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7198.980109][ T74] netlink_rcv_skb+0x130/0x360 [ 7198.980109][ T74] netlink_unicast+0x449/0x710 [ 7198.980109][ T74] netlink_sendmsg+0x723/0xbe0 [ 7198.980109][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7198.980109][ T74] ___sys_sendmsg+0xee/0x170 [ 7198.980109][ T74] __sys_sendmsg+0xcd/0x170 [ 7198.980109][ T74] do_syscall_64+0xc6/0x1e0 [ 7198.980109][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7198.980109][ T74] [ 7198.982108][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7198.982108][ T74] netdev_get_by_index+0x5e/0x80 [ 7198.982108][ T74] fib6_nh_init+0x3d8/0x1580 [ 7198.982108][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7198.982108][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7198.982108][ T74] ipv6_add_addr+0x411/0x2000 [ 7198.982108][ T74] inet6_addr_add+0x30e/0xa40 [ 7198.982108][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7198.982108][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7198.982108][ T74] netlink_rcv_skb+0x130/0x360 [ 7198.982108][ T74] netlink_unicast+0x449/0x710 [ 7198.982108][ T74] netlink_sendmsg+0x723/0xbe0 [ 7198.982108][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7198.982108][ T74] ___sys_sendmsg+0xee/0x170 [ 7198.982108][ T74] __sys_sendmsg+0xcd/0x170 [ 7198.982108][ T74] do_syscall_64+0xc6/0x1e0 [ 7198.982108][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7198.982108][ T74] [ 7198.984104][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7198.984104][ T74] netdev_get_by_index+0x5e/0x80 [ 7198.984104][ T74] fib6_nh_init+0x3d8/0x1580 [ 7198.984104][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7198.984104][ T74] ip6_route_add+0x1c/0x140 [ 7198.984104][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 7198.984104][ T74] addrconf_add_dev+0xe2/0x170 [ 7198.984104][ T74] inet6_addr_add+0x12f/0xa40 [ 7198.984104][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7198.984104][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7198.984104][ T74] netlink_rcv_skb+0x130/0x360 [ 7198.984104][ T74] netlink_unicast+0x449/0x710 [ 7198.984104][ T74] netlink_sendmsg+0x723/0xbe0 [ 7198.984104][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7198.984104][ T74] ___sys_sendmsg+0xee/0x170 [ 7198.984104][ T74] __sys_sendmsg+0xcd/0x170 [ 7198.984104][ T74] do_syscall_64+0xc6/0x1e0 [ 7198.984104][ T74] [ 7198.986063][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7198.986063][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7198.986063][ T74] ipv6_find_idev+0x102/0x170 [ 7198.986063][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7198.986063][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7198.986063][ T74] netlink_rcv_skb+0x130/0x360 [ 7198.986063][ T74] netlink_unicast+0x449/0x710 [ 7198.986063][ T74] netlink_sendmsg+0x723/0xbe0 [ 7198.986063][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7198.986063][ T74] ___sys_sendmsg+0xee/0x170 [ 7198.986063][ T74] __sys_sendmsg+0xcd/0x170 [ 7198.986063][ T74] do_syscall_64+0xc6/0x1e0 [ 7198.986063][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7198.986063][ T74] [ 7198.987595][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7198.987595][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7198.987595][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7198.987595][ T74] ipv6_find_idev+0x102/0x170 [ 7198.987595][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7198.987595][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7198.987595][ T74] netlink_rcv_skb+0x130/0x360 [ 7198.987595][ T74] netlink_unicast+0x449/0x710 [ 7198.987595][ T74] netlink_sendmsg+0x723/0xbe0 [ 7198.987595][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7198.987595][ T74] ___sys_sendmsg+0xee/0x170 [ 7198.987595][ T74] __sys_sendmsg+0xcd/0x170 [ 7198.987595][ T74] do_syscall_64+0xc6/0x1e0 [ 7198.987595][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7198.987595][ T74] [ 7198.989276][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 7198.989547][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 7198.989547][ T74] dst_init+0x84/0x4a0 [ 7198.989547][ T74] dst_alloc+0x97/0x150 [ 7198.989547][ T74] ip6_dst_alloc+0x23/0x90 [ 7198.989547][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7198.989547][ T74] ip6_pol_route+0x56f/0x840 [ 7198.989547][ T74] fib6_rule_lookup+0x456/0x630 [ 7198.989547][ T74] ip6_route_input+0x59c/0xa50 [ 7198.989547][ T74] ipv6_rcv+0x397/0x810 [ 7198.989547][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 7198.989547][ T74] process_backlog+0x101/0x620 [ 7198.989547][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 7198.989547][ T74] net_rx_action+0x495/0xbe0 [ 7198.989547][ T74] __do_softirq+0x1b5/0x7f6 [ 7198.989547][ T74] [ 7198.991189][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7198.991189][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 7198.991189][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 7198.991189][ T74] fib6_nh_init+0xa22/0x1580 [ 7198.991189][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7198.991189][ T74] ip6_route_add+0x1c/0x140 [ 7198.991189][ T74] inet6_rtm_newroute+0x104/0x110 [ 7198.991189][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7198.991189][ T74] netlink_rcv_skb+0x130/0x360 [ 7198.991189][ T74] netlink_unicast+0x449/0x710 [ 7198.991189][ T74] netlink_sendmsg+0x723/0xbe0 [ 7198.991189][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7198.991189][ T74] ___sys_sendmsg+0xee/0x170 [ 7198.991189][ T74] __sys_sendmsg+0xcd/0x170 [ 7198.991189][ T74] do_syscall_64+0xc6/0x1e0 [ 7198.991189][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7198.991189][ T74] [ 7198.993067][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7198.993067][ T74] netdev_get_by_index+0x5e/0x80 [ 7198.993067][ T74] fib6_nh_init+0x3d8/0x1580 [ 7198.993067][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7198.993067][ T74] addrconf_f6i_alloc+0x265/0x560 [ 7198.993067][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7198.993067][ T74] addrconf_join_anycast+0x1c0/0x220 [ 7198.993067][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7198.993067][ T74] addrconf_dad_completed+0x12b/0xe20 [ 7198.993067][ T74] addrconf_dad_begin+0x310/0x670 [ 7198.993067][ T74] addrconf_dad_work+0x10b/0xab0 [ 7198.993067][ T74] process_one_work+0x84d/0x18a0 [ 7198.993067][ T74] worker_thread+0x587/0xd30 [ 7198.993067][ T74] kthread+0x28a/0x350 [ 7198.993067][ T74] ret_from_fork+0x31/0x70 [ 7198.993067][ T74] ret_from_fork_asm+0x1a/0x30 [ 7198.993067][ T74] [ 7198.994988][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7198.994988][ T74] netdev_get_by_index+0x5e/0x80 [ 7198.994988][ T74] fib6_nh_init+0x3d8/0x1580 [ 7198.994988][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7198.994988][ T74] ip6_route_add+0x1c/0x140 [ 7198.994988][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7198.994988][ T74] inet6_addr_add+0x4f8/0xa40 [ 7198.994988][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7198.994988][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7198.994988][ T74] netlink_rcv_skb+0x130/0x360 [ 7198.994988][ T74] netlink_unicast+0x449/0x710 [ 7198.994988][ T74] netlink_sendmsg+0x723/0xbe0 [ 7198.994988][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7198.994988][ T74] ___sys_sendmsg+0xee/0x170 [ 7198.994988][ T74] __sys_sendmsg+0xcd/0x170 [ 7198.994988][ T74] do_syscall_64+0xc6/0x1e0 [ 7198.994988][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7198.994988][ T74] [ 7198.997001][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7198.997001][ T74] netdev_get_by_index+0x5e/0x80 [ 7198.997001][ T74] fib6_nh_init+0x3d8/0x1580 [ 7198.997001][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7198.997001][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7198.997001][ T74] ipv6_add_addr+0x411/0x2000 [ 7198.997001][ T74] inet6_addr_add+0x30e/0xa40 [ 7198.997001][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7198.997001][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7198.997001][ T74] netlink_rcv_skb+0x130/0x360 [ 7198.997001][ T74] netlink_unicast+0x449/0x710 [ 7198.997001][ T74] netlink_sendmsg+0x723/0xbe0 [ 7198.997001][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7198.997001][ T74] ___sys_sendmsg+0xee/0x170 [ 7198.997001][ T74] __sys_sendmsg+0xcd/0x170 [ 7198.997001][ T74] do_syscall_64+0xc6/0x1e0 [ 7198.997001][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7198.997001][ T74] [ 7198.998991][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7198.998991][ T74] netdev_get_by_index+0x5e/0x80 [ 7198.998991][ T74] fib6_nh_init+0x3d8/0x1580 [ 7198.998991][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7198.998991][ T74] ip6_route_add+0x1c/0x140 [ 7198.998991][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 7198.998991][ T74] addrconf_add_dev+0xe2/0x170 [ 7198.998991][ T74] inet6_addr_add+0x12f/0xa40 [ 7198.998991][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7198.998991][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7198.998991][ T74] netlink_rcv_skb+0x130/0x360 [ 7198.998991][ T74] netlink_unicast+0x449/0x710 [ 7198.998991][ T74] netlink_sendmsg+0x723/0xbe0 [ 7198.998991][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7198.998991][ T74] ___sys_sendmsg+0xee/0x170 [ 7198.998991][ T74] __sys_sendmsg+0xcd/0x170 [ 7198.998991][ T74] do_syscall_64+0xc6/0x1e0 [ 7198.998991][ T74] [ 7199.000956][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7199.000956][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7199.000956][ T74] ipv6_find_idev+0x102/0x170 [ 7199.000956][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7199.000956][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7199.000956][ T74] netlink_rcv_skb+0x130/0x360 [ 7199.000956][ T74] netlink_unicast+0x449/0x710 [ 7199.000956][ T74] netlink_sendmsg+0x723/0xbe0 [ 7199.000956][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7199.000956][ T74] ___sys_sendmsg+0xee/0x170 [ 7199.000956][ T74] __sys_sendmsg+0xcd/0x170 [ 7199.000956][ T74] do_syscall_64+0xc6/0x1e0 [ 7199.000956][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7199.000956][ T74] [ 7199.002564][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7199.002564][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7199.002564][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7199.002564][ T74] ipv6_find_idev+0x102/0x170 [ 7199.002564][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7199.002564][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7199.002564][ T74] netlink_rcv_skb+0x130/0x360 [ 7199.002564][ T74] netlink_unicast+0x449/0x710 [ 7199.002564][ T74] netlink_sendmsg+0x723/0xbe0 [ 7199.002564][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7199.002564][ T74] ___sys_sendmsg+0xee/0x170 [ 7199.002564][ T74] __sys_sendmsg+0xcd/0x170 [ 7199.002564][ T74] do_syscall_64+0xc6/0x1e0 [ 7199.002564][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7199.002564][ T74] [ 7199.004932][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 7199.005174][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7199.005174][ T74] netdev_get_by_index+0x5e/0x80 [ 7199.005174][ T74] fib6_nh_init+0x3d8/0x1580 [ 7199.005174][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7199.005174][ T74] ip6_route_add+0x1c/0x140 [ 7199.005174][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7199.005174][ T74] inet6_addr_add+0x4f8/0xa40 [ 7199.005174][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7199.005174][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7199.005174][ T74] netlink_rcv_skb+0x130/0x360 [ 7199.005174][ T74] netlink_unicast+0x449/0x710 [ 7199.005174][ T74] netlink_sendmsg+0x723/0xbe0 [ 7199.005174][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7199.005174][ T74] ___sys_sendmsg+0xee/0x170 [ 7199.005174][ T74] __sys_sendmsg+0xcd/0x170 [ 7199.005174][ T74] do_syscall_64+0xc6/0x1e0 [ 7199.005174][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7199.005174][ T74] [ 7199.007299][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7199.007299][ T74] netdev_get_by_index+0x5e/0x80 [ 7199.007299][ T74] fib6_nh_init+0x3d8/0x1580 [ 7199.007299][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7199.007299][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7199.007299][ T74] ipv6_add_addr+0x411/0x2000 [ 7199.007299][ T74] inet6_addr_add+0x30e/0xa40 [ 7199.007299][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7199.007299][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7199.007299][ T74] netlink_rcv_skb+0x130/0x360 [ 7199.007299][ T74] netlink_unicast+0x449/0x710 [ 7199.007299][ T74] netlink_sendmsg+0x723/0xbe0 [ 7199.007299][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7199.007299][ T74] ___sys_sendmsg+0xee/0x170 [ 7199.007299][ T74] __sys_sendmsg+0xcd/0x170 [ 7199.007299][ T74] do_syscall_64+0xc6/0x1e0 [ 7199.007299][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7199.007299][ T74] [ 7199.009426][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7199.009426][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7199.009426][ T74] ipv6_find_idev+0x102/0x170 [ 7199.009426][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7199.009426][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7199.009426][ T74] netlink_rcv_skb+0x130/0x360 [ 7199.009426][ T74] netlink_unicast+0x449/0x710 [ 7199.009426][ T74] netlink_sendmsg+0x723/0xbe0 [ 7199.009426][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7199.009426][ T74] ___sys_sendmsg+0xee/0x170 [ 7199.009426][ T74] __sys_sendmsg+0xcd/0x170 [ 7199.009426][ T74] do_syscall_64+0xc6/0x1e0 [ 7199.009426][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7199.009426][ T74] [ 7199.011026][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7199.011026][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7199.011026][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7199.011026][ T74] ipv6_find_idev+0x102/0x170 [ 7199.011026][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7199.011026][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7199.011026][ T74] netlink_rcv_skb+0x130/0x360 [ 7199.011026][ T74] netlink_unicast+0x449/0x710 [ 7199.011026][ T74] netlink_sendmsg+0x723/0xbe0 [ 7199.011026][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7199.011026][ T74] ___sys_sendmsg+0xee/0x170 [ 7199.011026][ T74] __sys_sendmsg+0xcd/0x170 [ 7199.011026][ T74] do_syscall_64+0xc6/0x1e0 [ 7199.011026][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7199.011026][ T74] [ 7209.255970][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 7209.256403][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7209.256403][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 7209.256403][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 7209.256403][ T74] fib6_nh_init+0xa22/0x1580 [ 7209.256403][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7209.256403][ T74] ip6_route_add+0x1c/0x140 [ 7209.256403][ T74] inet6_rtm_newroute+0x104/0x110 [ 7209.256403][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7209.256403][ T74] netlink_rcv_skb+0x130/0x360 [ 7209.256403][ T74] netlink_unicast+0x449/0x710 [ 7209.256403][ T74] netlink_sendmsg+0x723/0xbe0 [ 7209.256403][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7209.256403][ T74] ___sys_sendmsg+0xee/0x170 [ 7209.256403][ T74] __sys_sendmsg+0xcd/0x170 [ 7209.256403][ T74] do_syscall_64+0xc6/0x1e0 [ 7209.256403][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7209.256403][ T74] [ 7209.258312][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7209.258312][ T74] netdev_get_by_index+0x5e/0x80 [ 7209.258312][ T74] fib6_nh_init+0x3d8/0x1580 [ 7209.258312][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7209.258312][ T74] addrconf_f6i_alloc+0x265/0x560 [ 7209.258312][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7209.258312][ T74] addrconf_join_anycast+0x1c0/0x220 [ 7209.258312][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7209.258312][ T74] addrconf_dad_completed+0x12b/0xe20 [ 7209.258312][ T74] addrconf_dad_begin+0x310/0x670 [ 7209.258312][ T74] addrconf_dad_work+0x10b/0xab0 [ 7209.258312][ T74] process_one_work+0x84d/0x18a0 [ 7209.258312][ T74] worker_thread+0x587/0xd30 [ 7209.258312][ T74] kthread+0x28a/0x350 [ 7209.258312][ T74] ret_from_fork+0x31/0x70 [ 7209.258312][ T74] ret_from_fork_asm+0x1a/0x30 [ 7209.258312][ T74] [ 7209.260235][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7209.260235][ T74] netdev_get_by_index+0x5e/0x80 [ 7209.260235][ T74] fib6_nh_init+0x3d8/0x1580 [ 7209.260235][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7209.260235][ T74] ip6_route_add+0x1c/0x140 [ 7209.260235][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7209.260235][ T74] inet6_addr_add+0x4f8/0xa40 [ 7209.260235][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7209.260235][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7209.260235][ T74] netlink_rcv_skb+0x130/0x360 [ 7209.260235][ T74] netlink_unicast+0x449/0x710 [ 7209.260235][ T74] netlink_sendmsg+0x723/0xbe0 [ 7209.260235][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7209.260235][ T74] ___sys_sendmsg+0xee/0x170 [ 7209.260235][ T74] __sys_sendmsg+0xcd/0x170 [ 7209.260235][ T74] do_syscall_64+0xc6/0x1e0 [ 7209.260235][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7209.260235][ T74] [ 7209.262252][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7209.262252][ T74] netdev_get_by_index+0x5e/0x80 [ 7209.262252][ T74] fib6_nh_init+0x3d8/0x1580 [ 7209.262252][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7209.262252][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7209.262252][ T74] ipv6_add_addr+0x411/0x2000 [ 7209.262252][ T74] inet6_addr_add+0x30e/0xa40 [ 7209.262252][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7209.262252][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7209.262252][ T74] netlink_rcv_skb+0x130/0x360 [ 7209.262252][ T74] netlink_unicast+0x449/0x710 [ 7209.262252][ T74] netlink_sendmsg+0x723/0xbe0 [ 7209.262252][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7209.262252][ T74] ___sys_sendmsg+0xee/0x170 [ 7209.262252][ T74] __sys_sendmsg+0xcd/0x170 [ 7209.262252][ T74] do_syscall_64+0xc6/0x1e0 [ 7209.262252][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7209.262252][ T74] [ 7209.264257][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7209.264257][ T74] netdev_get_by_index+0x5e/0x80 [ 7209.264257][ T74] fib6_nh_init+0x3d8/0x1580 [ 7209.264257][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7209.264257][ T74] ip6_route_add+0x1c/0x140 [ 7209.264257][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 7209.264257][ T74] addrconf_add_dev+0xe2/0x170 [ 7209.264257][ T74] inet6_addr_add+0x12f/0xa40 [ 7209.264257][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7209.264257][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7209.264257][ T74] netlink_rcv_skb+0x130/0x360 [ 7209.264257][ T74] netlink_unicast+0x449/0x710 [ 7209.264257][ T74] netlink_sendmsg+0x723/0xbe0 [ 7209.264257][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7209.264257][ T74] ___sys_sendmsg+0xee/0x170 [ 7209.264257][ T74] __sys_sendmsg+0xcd/0x170 [ 7209.264257][ T74] do_syscall_64+0xc6/0x1e0 [ 7209.264257][ T74] [ 7209.266218][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7209.266218][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7209.266218][ T74] ipv6_find_idev+0x102/0x170 [ 7209.266218][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7209.266218][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7209.266218][ T74] netlink_rcv_skb+0x130/0x360 [ 7209.266218][ T74] netlink_unicast+0x449/0x710 [ 7209.266218][ T74] netlink_sendmsg+0x723/0xbe0 [ 7209.266218][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7209.266218][ T74] ___sys_sendmsg+0xee/0x170 [ 7209.266218][ T74] __sys_sendmsg+0xcd/0x170 [ 7209.266218][ T74] do_syscall_64+0xc6/0x1e0 [ 7209.266218][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7209.266218][ T74] [ 7209.267748][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7209.267748][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7209.267748][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7209.267748][ T74] ipv6_find_idev+0x102/0x170 [ 7209.267748][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7209.267748][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7209.267748][ T74] netlink_rcv_skb+0x130/0x360 [ 7209.267748][ T74] netlink_unicast+0x449/0x710 [ 7209.267748][ T74] netlink_sendmsg+0x723/0xbe0 [ 7209.267748][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7209.267748][ T74] ___sys_sendmsg+0xee/0x170 [ 7209.267748][ T74] __sys_sendmsg+0xcd/0x170 [ 7209.267748][ T74] do_syscall_64+0xc6/0x1e0 [ 7209.267748][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7209.267748][ T74] [ 7209.269423][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 7209.269708][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 7209.269708][ T74] dst_init+0x84/0x4a0 [ 7209.269708][ T74] dst_alloc+0x97/0x150 [ 7209.269708][ T74] ip6_dst_alloc+0x23/0x90 [ 7209.269708][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7209.269708][ T74] ip6_pol_route+0x56f/0x840 [ 7209.269708][ T74] fib6_rule_lookup+0x456/0x630 [ 7209.269708][ T74] ip6_route_input+0x59c/0xa50 [ 7209.269708][ T74] ipv6_rcv+0x397/0x810 [ 7209.269708][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 7209.269708][ T74] process_backlog+0x101/0x620 [ 7209.269708][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 7209.269708][ T74] net_rx_action+0x495/0xbe0 [ 7209.269708][ T74] __do_softirq+0x1b5/0x7f6 [ 7209.269708][ T74] [ 7209.271337][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7209.271337][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 7209.271337][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 7209.271337][ T74] fib6_nh_init+0xa22/0x1580 [ 7209.271337][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7209.271337][ T74] ip6_route_add+0x1c/0x140 [ 7209.271337][ T74] inet6_rtm_newroute+0x104/0x110 [ 7209.271337][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7209.271337][ T74] netlink_rcv_skb+0x130/0x360 [ 7209.271337][ T74] netlink_unicast+0x449/0x710 [ 7209.271337][ T74] netlink_sendmsg+0x723/0xbe0 [ 7209.271337][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7209.271337][ T74] ___sys_sendmsg+0xee/0x170 [ 7209.271337][ T74] __sys_sendmsg+0xcd/0x170 [ 7209.271337][ T74] do_syscall_64+0xc6/0x1e0 [ 7209.271337][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7209.271337][ T74] [ 7209.273213][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7209.273213][ T74] netdev_get_by_index+0x5e/0x80 [ 7209.273213][ T74] fib6_nh_init+0x3d8/0x1580 [ 7209.273213][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7209.273213][ T74] addrconf_f6i_alloc+0x265/0x560 [ 7209.273213][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7209.273213][ T74] addrconf_join_anycast+0x1c0/0x220 [ 7209.273213][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7209.273213][ T74] addrconf_dad_completed+0x12b/0xe20 [ 7209.273213][ T74] addrconf_dad_begin+0x310/0x670 [ 7209.273213][ T74] addrconf_dad_work+0x10b/0xab0 [ 7209.273213][ T74] process_one_work+0x84d/0x18a0 [ 7209.273213][ T74] worker_thread+0x587/0xd30 [ 7209.273213][ T74] kthread+0x28a/0x350 [ 7209.273213][ T74] ret_from_fork+0x31/0x70 [ 7209.273213][ T74] ret_from_fork_asm+0x1a/0x30 [ 7209.273213][ T74] [ 7209.275118][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7209.275118][ T74] netdev_get_by_index+0x5e/0x80 [ 7209.275118][ T74] fib6_nh_init+0x3d8/0x1580 [ 7209.275118][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7209.275118][ T74] ip6_route_add+0x1c/0x140 [ 7209.275118][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7209.275118][ T74] inet6_addr_add+0x4f8/0xa40 [ 7209.275118][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7209.275118][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7209.275118][ T74] netlink_rcv_skb+0x130/0x360 [ 7209.275118][ T74] netlink_unicast+0x449/0x710 [ 7209.275118][ T74] netlink_sendmsg+0x723/0xbe0 [ 7209.275118][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7209.275118][ T74] ___sys_sendmsg+0xee/0x170 [ 7209.275118][ T74] __sys_sendmsg+0xcd/0x170 [ 7209.275118][ T74] do_syscall_64+0xc6/0x1e0 [ 7209.275118][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7209.275118][ T74] [ 7209.277107][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7209.277107][ T74] netdev_get_by_index+0x5e/0x80 [ 7209.277107][ T74] fib6_nh_init+0x3d8/0x1580 [ 7209.277107][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7209.277107][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7209.277107][ T74] ipv6_add_addr+0x411/0x2000 [ 7209.277107][ T74] inet6_addr_add+0x30e/0xa40 [ 7209.277107][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7209.277107][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7209.277107][ T74] netlink_rcv_skb+0x130/0x360 [ 7209.277107][ T74] netlink_unicast+0x449/0x710 [ 7209.277107][ T74] netlink_sendmsg+0x723/0xbe0 [ 7209.277107][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7209.277107][ T74] ___sys_sendmsg+0xee/0x170 [ 7209.277107][ T74] __sys_sendmsg+0xcd/0x170 [ 7209.277107][ T74] do_syscall_64+0xc6/0x1e0 [ 7209.277107][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7209.277107][ T74] [ 7209.279099][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7209.279099][ T74] netdev_get_by_index+0x5e/0x80 [ 7209.279099][ T74] fib6_nh_init+0x3d8/0x1580 [ 7209.279099][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7209.279099][ T74] ip6_route_add+0x1c/0x140 [ 7209.279099][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 7209.279099][ T74] addrconf_add_dev+0xe2/0x170 [ 7209.279099][ T74] inet6_addr_add+0x12f/0xa40 [ 7209.279099][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7209.279099][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7209.279099][ T74] netlink_rcv_skb+0x130/0x360 [ 7209.279099][ T74] netlink_unicast+0x449/0x710 [ 7209.279099][ T74] netlink_sendmsg+0x723/0xbe0 [ 7209.279099][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7209.279099][ T74] ___sys_sendmsg+0xee/0x170 [ 7209.279099][ T74] __sys_sendmsg+0xcd/0x170 [ 7209.279099][ T74] do_syscall_64+0xc6/0x1e0 [ 7209.279099][ T74] [ 7209.281051][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7209.281051][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7209.281051][ T74] ipv6_find_idev+0x102/0x170 [ 7209.281051][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7209.281051][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7209.281051][ T74] netlink_rcv_skb+0x130/0x360 [ 7209.281051][ T74] netlink_unicast+0x449/0x710 [ 7209.281051][ T74] netlink_sendmsg+0x723/0xbe0 [ 7209.281051][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7209.281051][ T74] ___sys_sendmsg+0xee/0x170 [ 7209.281051][ T74] __sys_sendmsg+0xcd/0x170 [ 7209.281051][ T74] do_syscall_64+0xc6/0x1e0 [ 7209.281051][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7209.281051][ T74] [ 7209.282651][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7209.282651][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7209.282651][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7209.282651][ T74] ipv6_find_idev+0x102/0x170 [ 7209.282651][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7209.282651][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7209.282651][ T74] netlink_rcv_skb+0x130/0x360 [ 7209.282651][ T74] netlink_unicast+0x449/0x710 [ 7209.282651][ T74] netlink_sendmsg+0x723/0xbe0 [ 7209.282651][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7209.282651][ T74] ___sys_sendmsg+0xee/0x170 [ 7209.282651][ T74] __sys_sendmsg+0xcd/0x170 [ 7209.282651][ T74] do_syscall_64+0xc6/0x1e0 [ 7209.282651][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7209.282651][ T74] [ 7209.284488][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 7209.284809][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7209.284809][ T74] netdev_get_by_index+0x5e/0x80 [ 7209.284809][ T74] fib6_nh_init+0x3d8/0x1580 [ 7209.284809][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7209.284809][ T74] ip6_route_add+0x1c/0x140 [ 7209.284809][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7209.284809][ T74] inet6_addr_add+0x4f8/0xa40 [ 7209.284809][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7209.284809][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7209.284809][ T74] netlink_rcv_skb+0x130/0x360 [ 7209.284809][ T74] netlink_unicast+0x449/0x710 [ 7209.284809][ T74] netlink_sendmsg+0x723/0xbe0 [ 7209.284809][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7209.284809][ T74] ___sys_sendmsg+0xee/0x170 [ 7209.284809][ T74] __sys_sendmsg+0xcd/0x170 [ 7209.284809][ T74] do_syscall_64+0xc6/0x1e0 [ 7209.284809][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7209.284809][ T74] [ 7209.287036][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7209.287036][ T74] netdev_get_by_index+0x5e/0x80 [ 7209.287036][ T74] fib6_nh_init+0x3d8/0x1580 [ 7209.287036][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7209.287036][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7209.287036][ T74] ipv6_add_addr+0x411/0x2000 [ 7209.287036][ T74] inet6_addr_add+0x30e/0xa40 [ 7209.287036][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7209.287036][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7209.287036][ T74] netlink_rcv_skb+0x130/0x360 [ 7209.287036][ T74] netlink_unicast+0x449/0x710 [ 7209.287036][ T74] netlink_sendmsg+0x723/0xbe0 [ 7209.287036][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7209.287036][ T74] ___sys_sendmsg+0xee/0x170 [ 7209.287036][ T74] __sys_sendmsg+0xcd/0x170 [ 7209.287036][ T74] do_syscall_64+0xc6/0x1e0 [ 7209.287036][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7209.287036][ T74] [ 7209.289204][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7209.289204][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7209.289204][ T74] ipv6_find_idev+0x102/0x170 [ 7209.289204][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7209.289204][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7209.289204][ T74] netlink_rcv_skb+0x130/0x360 [ 7209.289204][ T74] netlink_unicast+0x449/0x710 [ 7209.289204][ T74] netlink_sendmsg+0x723/0xbe0 [ 7209.289204][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7209.289204][ T74] ___sys_sendmsg+0xee/0x170 [ 7209.289204][ T74] __sys_sendmsg+0xcd/0x170 [ 7209.289204][ T74] do_syscall_64+0xc6/0x1e0 [ 7209.289204][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7209.289204][ T74] [ 7209.290868][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7209.290868][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7209.290868][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7209.290868][ T74] ipv6_find_idev+0x102/0x170 [ 7209.290868][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7209.290868][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7209.290868][ T74] netlink_rcv_skb+0x130/0x360 [ 7209.290868][ T74] netlink_unicast+0x449/0x710 [ 7209.290868][ T74] netlink_sendmsg+0x723/0xbe0 [ 7209.290868][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7209.290868][ T74] ___sys_sendmsg+0xee/0x170 [ 7209.290868][ T74] __sys_sendmsg+0xcd/0x170 [ 7209.290868][ T74] do_syscall_64+0xc6/0x1e0 [ 7209.290868][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7209.290868][ T74] [ 7219.375969][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 8 [ 7219.376320][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7219.376320][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 7219.376320][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 7219.376320][ T74] fib6_nh_init+0xa22/0x1580 [ 7219.376320][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7219.376320][ T74] ip6_route_add+0x1c/0x140 [ 7219.376320][ T74] inet6_rtm_newroute+0x104/0x110 [ 7219.376320][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7219.376320][ T74] netlink_rcv_skb+0x130/0x360 [ 7219.376320][ T74] netlink_unicast+0x449/0x710 [ 7219.376320][ T74] netlink_sendmsg+0x723/0xbe0 [ 7219.376320][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7219.376320][ T74] ___sys_sendmsg+0xee/0x170 [ 7219.376320][ T74] __sys_sendmsg+0xcd/0x170 [ 7219.376320][ T74] do_syscall_64+0xc6/0x1e0 [ 7219.376320][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7219.376320][ T74] [ 7219.378202][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7219.378202][ T74] netdev_get_by_index+0x5e/0x80 [ 7219.378202][ T74] fib6_nh_init+0x3d8/0x1580 [ 7219.378202][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7219.378202][ T74] addrconf_f6i_alloc+0x265/0x560 [ 7219.378202][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7219.378202][ T74] addrconf_join_anycast+0x1c0/0x220 [ 7219.378202][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7219.378202][ T74] addrconf_dad_completed+0x12b/0xe20 [ 7219.378202][ T74] addrconf_dad_begin+0x310/0x670 [ 7219.378202][ T74] addrconf_dad_work+0x10b/0xab0 [ 7219.378202][ T74] process_one_work+0x84d/0x18a0 [ 7219.378202][ T74] worker_thread+0x587/0xd30 [ 7219.378202][ T74] kthread+0x28a/0x350 [ 7219.378202][ T74] ret_from_fork+0x31/0x70 [ 7219.378202][ T74] ret_from_fork_asm+0x1a/0x30 [ 7219.378202][ T74] [ 7219.380217][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7219.380217][ T74] netdev_get_by_index+0x5e/0x80 [ 7219.380217][ T74] fib6_nh_init+0x3d8/0x1580 [ 7219.380217][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7219.380217][ T74] ip6_route_add+0x1c/0x140 [ 7219.380217][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7219.380217][ T74] inet6_addr_add+0x4f8/0xa40 [ 7219.380217][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7219.380217][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7219.380217][ T74] netlink_rcv_skb+0x130/0x360 [ 7219.380217][ T74] netlink_unicast+0x449/0x710 [ 7219.380217][ T74] netlink_sendmsg+0x723/0xbe0 [ 7219.380217][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7219.380217][ T74] ___sys_sendmsg+0xee/0x170 [ 7219.380217][ T74] __sys_sendmsg+0xcd/0x170 [ 7219.380217][ T74] do_syscall_64+0xc6/0x1e0 [ 7219.380217][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7219.380217][ T74] [ 7219.382204][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7219.382204][ T74] netdev_get_by_index+0x5e/0x80 [ 7219.382204][ T74] fib6_nh_init+0x3d8/0x1580 [ 7219.382204][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7219.382204][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7219.382204][ T74] ipv6_add_addr+0x411/0x2000 [ 7219.382204][ T74] inet6_addr_add+0x30e/0xa40 [ 7219.382204][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7219.382204][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7219.382204][ T74] netlink_rcv_skb+0x130/0x360 [ 7219.382204][ T74] netlink_unicast+0x449/0x710 [ 7219.382204][ T74] netlink_sendmsg+0x723/0xbe0 [ 7219.382204][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7219.382204][ T74] ___sys_sendmsg+0xee/0x170 [ 7219.382204][ T74] __sys_sendmsg+0xcd/0x170 [ 7219.382204][ T74] do_syscall_64+0xc6/0x1e0 [ 7219.382204][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7219.382204][ T74] [ 7219.384215][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7219.384215][ T74] netdev_get_by_index+0x5e/0x80 [ 7219.384215][ T74] fib6_nh_init+0x3d8/0x1580 [ 7219.384215][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7219.384215][ T74] ip6_route_add+0x1c/0x140 [ 7219.384215][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 7219.384215][ T74] addrconf_add_dev+0xe2/0x170 [ 7219.384215][ T74] inet6_addr_add+0x12f/0xa40 [ 7219.384215][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7219.384215][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7219.384215][ T74] netlink_rcv_skb+0x130/0x360 [ 7219.384215][ T74] netlink_unicast+0x449/0x710 [ 7219.384215][ T74] netlink_sendmsg+0x723/0xbe0 [ 7219.384215][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7219.384215][ T74] ___sys_sendmsg+0xee/0x170 [ 7219.384215][ T74] __sys_sendmsg+0xcd/0x170 [ 7219.384215][ T74] do_syscall_64+0xc6/0x1e0 [ 7219.384215][ T74] [ 7219.386185][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7219.386185][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7219.386185][ T74] ipv6_find_idev+0x102/0x170 [ 7219.386185][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7219.386185][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7219.386185][ T74] netlink_rcv_skb+0x130/0x360 [ 7219.386185][ T74] netlink_unicast+0x449/0x710 [ 7219.386185][ T74] netlink_sendmsg+0x723/0xbe0 [ 7219.386185][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7219.386185][ T74] ___sys_sendmsg+0xee/0x170 [ 7219.386185][ T74] __sys_sendmsg+0xcd/0x170 [ 7219.386185][ T74] do_syscall_64+0xc6/0x1e0 [ 7219.386185][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7219.386185][ T74] [ 7219.387718][ T74] ref_tracker: veth1@ffff8880070b15e0 has 1/7 users at [ 7219.387718][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7219.387718][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7219.387718][ T74] ipv6_find_idev+0x102/0x170 [ 7219.387718][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7219.387718][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7219.387718][ T74] netlink_rcv_skb+0x130/0x360 [ 7219.387718][ T74] netlink_unicast+0x449/0x710 [ 7219.387718][ T74] netlink_sendmsg+0x723/0xbe0 [ 7219.387718][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7219.387718][ T74] ___sys_sendmsg+0xee/0x170 [ 7219.387718][ T74] __sys_sendmsg+0xcd/0x170 [ 7219.387718][ T74] do_syscall_64+0xc6/0x1e0 [ 7219.387718][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7219.387718][ T74] [ 7219.389396][ T74] unregister_netdevice: waiting for veth0 to become free. Usage count = 10 [ 7219.389673][ T74] ref_tracker: veth0@ffff888007b315e0 has 2/9 users at [ 7219.389673][ T74] dst_init+0x84/0x4a0 [ 7219.389673][ T74] dst_alloc+0x97/0x150 [ 7219.389673][ T74] ip6_dst_alloc+0x23/0x90 [ 7219.389673][ T74] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7219.389673][ T74] ip6_pol_route+0x56f/0x840 [ 7219.389673][ T74] fib6_rule_lookup+0x456/0x630 [ 7219.389673][ T74] ip6_route_input+0x59c/0xa50 [ 7219.389673][ T74] ipv6_rcv+0x397/0x810 [ 7219.389673][ T74] __netif_receive_skb_one_core+0x118/0x1b0 [ 7219.389673][ T74] process_backlog+0x101/0x620 [ 7219.389673][ T74] __napi_poll.constprop.0+0xa2/0x460 [ 7219.389673][ T74] net_rx_action+0x495/0xbe0 [ 7219.389673][ T74] __do_softirq+0x1b5/0x7f6 [ 7219.389673][ T74] [ 7219.391297][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7219.391297][ T74] ip6_route_check_nh+0x4b8/0x6a0 [ 7219.391297][ T74] ip6_validate_gw+0x3f7/0x7b0 [ 7219.391297][ T74] fib6_nh_init+0xa22/0x1580 [ 7219.391297][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7219.391297][ T74] ip6_route_add+0x1c/0x140 [ 7219.391297][ T74] inet6_rtm_newroute+0x104/0x110 [ 7219.391297][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7219.391297][ T74] netlink_rcv_skb+0x130/0x360 [ 7219.391297][ T74] netlink_unicast+0x449/0x710 [ 7219.391297][ T74] netlink_sendmsg+0x723/0xbe0 [ 7219.391297][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7219.391297][ T74] ___sys_sendmsg+0xee/0x170 [ 7219.391297][ T74] __sys_sendmsg+0xcd/0x170 [ 7219.391297][ T74] do_syscall_64+0xc6/0x1e0 [ 7219.391297][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7219.391297][ T74] [ 7219.393154][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7219.393154][ T74] netdev_get_by_index+0x5e/0x80 [ 7219.393154][ T74] fib6_nh_init+0x3d8/0x1580 [ 7219.393154][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7219.393154][ T74] addrconf_f6i_alloc+0x265/0x560 [ 7219.393154][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 7219.393154][ T74] addrconf_join_anycast+0x1c0/0x220 [ 7219.393154][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 7219.393154][ T74] addrconf_dad_completed+0x12b/0xe20 [ 7219.393154][ T74] addrconf_dad_begin+0x310/0x670 [ 7219.393154][ T74] addrconf_dad_work+0x10b/0xab0 [ 7219.393154][ T74] process_one_work+0x84d/0x18a0 [ 7219.393154][ T74] worker_thread+0x587/0xd30 [ 7219.393154][ T74] kthread+0x28a/0x350 [ 7219.393154][ T74] ret_from_fork+0x31/0x70 [ 7219.393154][ T74] ret_from_fork_asm+0x1a/0x30 [ 7219.393154][ T74] [ 7219.395060][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7219.395060][ T74] netdev_get_by_index+0x5e/0x80 [ 7219.395060][ T74] fib6_nh_init+0x3d8/0x1580 [ 7219.395060][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7219.395060][ T74] ip6_route_add+0x1c/0x140 [ 7219.395060][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7219.395060][ T74] inet6_addr_add+0x4f8/0xa40 [ 7219.395060][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7219.395060][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7219.395060][ T74] netlink_rcv_skb+0x130/0x360 [ 7219.395060][ T74] netlink_unicast+0x449/0x710 [ 7219.395060][ T74] netlink_sendmsg+0x723/0xbe0 [ 7219.395060][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7219.395060][ T74] ___sys_sendmsg+0xee/0x170 [ 7219.395060][ T74] __sys_sendmsg+0xcd/0x170 [ 7219.395060][ T74] do_syscall_64+0xc6/0x1e0 [ 7219.395060][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7219.395060][ T74] [ 7219.397045][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7219.397045][ T74] netdev_get_by_index+0x5e/0x80 [ 7219.397045][ T74] fib6_nh_init+0x3d8/0x1580 [ 7219.397045][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7219.397045][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7219.397045][ T74] ipv6_add_addr+0x411/0x2000 [ 7219.397045][ T74] inet6_addr_add+0x30e/0xa40 [ 7219.397045][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7219.397045][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7219.397045][ T74] netlink_rcv_skb+0x130/0x360 [ 7219.397045][ T74] netlink_unicast+0x449/0x710 [ 7219.397045][ T74] netlink_sendmsg+0x723/0xbe0 [ 7219.397045][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7219.397045][ T74] ___sys_sendmsg+0xee/0x170 [ 7219.397045][ T74] __sys_sendmsg+0xcd/0x170 [ 7219.397045][ T74] do_syscall_64+0xc6/0x1e0 [ 7219.397045][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7219.397045][ T74] [ 7219.399033][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7219.399033][ T74] netdev_get_by_index+0x5e/0x80 [ 7219.399033][ T74] fib6_nh_init+0x3d8/0x1580 [ 7219.399033][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7219.399033][ T74] ip6_route_add+0x1c/0x140 [ 7219.399033][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 7219.399033][ T74] addrconf_add_dev+0xe2/0x170 [ 7219.399033][ T74] inet6_addr_add+0x12f/0xa40 [ 7219.399033][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7219.399033][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7219.399033][ T74] netlink_rcv_skb+0x130/0x360 [ 7219.399033][ T74] netlink_unicast+0x449/0x710 [ 7219.399033][ T74] netlink_sendmsg+0x723/0xbe0 [ 7219.399033][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7219.399033][ T74] ___sys_sendmsg+0xee/0x170 [ 7219.399033][ T74] __sys_sendmsg+0xcd/0x170 [ 7219.399033][ T74] do_syscall_64+0xc6/0x1e0 [ 7219.399033][ T74] [ 7219.400983][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7219.400983][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7219.400983][ T74] ipv6_find_idev+0x102/0x170 [ 7219.400983][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7219.400983][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7219.400983][ T74] netlink_rcv_skb+0x130/0x360 [ 7219.400983][ T74] netlink_unicast+0x449/0x710 [ 7219.400983][ T74] netlink_sendmsg+0x723/0xbe0 [ 7219.400983][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7219.400983][ T74] ___sys_sendmsg+0xee/0x170 [ 7219.400983][ T74] __sys_sendmsg+0xcd/0x170 [ 7219.400983][ T74] do_syscall_64+0xc6/0x1e0 [ 7219.400983][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7219.400983][ T74] [ 7219.402636][ T74] ref_tracker: veth0@ffff888007b315e0 has 1/9 users at [ 7219.402636][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7219.402636][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7219.402636][ T74] ipv6_find_idev+0x102/0x170 [ 7219.402636][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7219.402636][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7219.402636][ T74] netlink_rcv_skb+0x130/0x360 [ 7219.402636][ T74] netlink_unicast+0x449/0x710 [ 7219.402636][ T74] netlink_sendmsg+0x723/0xbe0 [ 7219.402636][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7219.402636][ T74] ___sys_sendmsg+0xee/0x170 [ 7219.402636][ T74] __sys_sendmsg+0xcd/0x170 [ 7219.402636][ T74] do_syscall_64+0xc6/0x1e0 [ 7219.402636][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7219.402636][ T74] [ 7219.404588][ T74] unregister_netdevice: waiting for lo to become free. Usage count = 5 [ 7219.404833][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7219.404833][ T74] netdev_get_by_index+0x5e/0x80 [ 7219.404833][ T74] fib6_nh_init+0x3d8/0x1580 [ 7219.404833][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7219.404833][ T74] ip6_route_add+0x1c/0x140 [ 7219.404833][ T74] addrconf_prefix_route+0x2a6/0x430 [ 7219.404833][ T74] inet6_addr_add+0x4f8/0xa40 [ 7219.404833][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7219.404833][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7219.404833][ T74] netlink_rcv_skb+0x130/0x360 [ 7219.404833][ T74] netlink_unicast+0x449/0x710 [ 7219.404833][ T74] netlink_sendmsg+0x723/0xbe0 [ 7219.404833][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7219.404833][ T74] ___sys_sendmsg+0xee/0x170 [ 7219.404833][ T74] __sys_sendmsg+0xcd/0x170 [ 7219.404833][ T74] do_syscall_64+0xc6/0x1e0 [ 7219.404833][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7219.404833][ T74] [ 7219.407074][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7219.407074][ T74] netdev_get_by_index+0x5e/0x80 [ 7219.407074][ T74] fib6_nh_init+0x3d8/0x1580 [ 7219.407074][ T74] ip6_route_info_create+0xf18/0x17d0 [ 7219.407074][ T74] addrconf_f6i_alloc+0x315/0x560 [ 7219.407074][ T74] ipv6_add_addr+0x411/0x2000 [ 7219.407074][ T74] inet6_addr_add+0x30e/0xa40 [ 7219.407074][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 7219.407074][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7219.407074][ T74] netlink_rcv_skb+0x130/0x360 [ 7219.407074][ T74] netlink_unicast+0x449/0x710 [ 7219.407074][ T74] netlink_sendmsg+0x723/0xbe0 [ 7219.407074][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7219.407074][ T74] ___sys_sendmsg+0xee/0x170 [ 7219.407074][ T74] __sys_sendmsg+0xcd/0x170 [ 7219.407074][ T74] do_syscall_64+0xc6/0x1e0 [ 7219.407074][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7219.407074][ T74] [ 7219.409302][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7219.409302][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 7219.409302][ T74] ipv6_find_idev+0x102/0x170 [ 7219.409302][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7219.409302][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7219.409302][ T74] netlink_rcv_skb+0x130/0x360 [ 7219.409302][ T74] netlink_unicast+0x449/0x710 [ 7219.409302][ T74] netlink_sendmsg+0x723/0xbe0 [ 7219.409302][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7219.409302][ T74] ___sys_sendmsg+0xee/0x170 [ 7219.409302][ T74] __sys_sendmsg+0xcd/0x170 [ 7219.409302][ T74] do_syscall_64+0xc6/0x1e0 [ 7219.409302][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7219.409302][ T74] [ 7219.410887][ T74] ref_tracker: lo@ffff8880078f45e0 has 1/4 users at [ 7219.410887][ T74] neigh_parms_alloc+0x1e5/0x510 [ 7219.410887][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 7219.410887][ T74] ipv6_find_idev+0x102/0x170 [ 7219.410887][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 7219.410887][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7219.410887][ T74] netlink_rcv_skb+0x130/0x360 [ 7219.410887][ T74] netlink_unicast+0x449/0x710 [ 7219.410887][ T74] netlink_sendmsg+0x723/0xbe0 [ 7219.410887][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 7219.410887][ T74] ___sys_sendmsg+0xee/0x170 [ 7219.410887][ T74] __sys_sendmsg+0xcd/0x170 [ 7219.410887][ T74] do_syscall_64+0xc6/0x1e0 [ 7219.410887][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7219.410887][ T74]